1 2016-07-12 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
3 * tree.c (struct free_lang_data_d): Add constructor and change
4 types of members to ones that automatically manage resources.
5 (fld_worklist_push): Adjust.
6 (find_decls_types): Likewise.
7 (find_decls_types_in_eh_region): Likewise.
8 (free_lang_data_in_cgraph): Stop manually creating and
9 destroying members of free_lang_data_d.
11 2016-07-13 Uros Bizjak <ubizjak@gmail.com>
13 PR rtl-optimization/68961
14 * config/i386/sse.md (movsd/movhpd to movupd peephole2s): Add new
15 peephole variant. Use sse_reg_operand predicates.
17 2016-07-12 Uros Bizjak <ubizjak@gmail.com>
19 * config/i386/predicates.md (x86_64_immediate_operand)
20 <case CONST_INT>: Remove unneeded truncation to DImode.
22 (x86_64_zext_immediate_operand) <case CONST>: Ditto.
24 2016-07-12 Michael Meissner <meissner@linux.vnet.ibm.com>
27 * config/rs6000/altivec.md (altivec_vperm_<mode>_internal):
28 The xxperm and xxpermr instructions require that the 2nd input
29 operand overlap with the output operand, and not the 1st.
30 (altivec_vperm_v8hiv16qi): Likewise.
31 (altivec_vperm_<mode>_uns_internal): Likewise.
32 (altivec_vpermr_<mode>_internal): Likewise.
33 (vperm_v8hiv4si): Likewise.
34 (vperm_v16qiv8hi): Likewise.
36 2016-07-12 Martin Liska <mliska@suse.cz>
38 * params.def: Add avg-loop niter.
39 * tree-ssa-loop-ivopts.c (avg_loop_niter): Use the param.
40 * cfgloopanal.c (expected_loop_iterations_unbounded): Likewise.
41 * doc/invoke.texi: Document the new parameter.
43 2016-07-12 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
46 * expr.c (store_constructor): Mask sign-extended bits when widening
47 sub-word constructor element at the start of a word.
49 2016-07-12 Martin Liska <mliska@suse.cz>
51 * Makefile.in: Append rule for params-options.h.
52 * params-options.h: New file.
54 2016-07-12 Martin Liska <mliska@suse.cz>
56 * ira-build.c (mark_loops_for_removal): Properly iterate
59 2016-07-12 Steven Bosscher <steven@gcc.gnu.org>
60 Richard Biener <rguenther@suse.de>
62 PR tree-optimization/23286
63 PR tree-optimization/70159
64 * doc/invoke.texi: Document -fcode-hoisting.
65 * common.opt (fcode-hoisting): New flag.
66 * opts.c (default_options_table): Enable -fcode-hoisting at -O2+.
67 * tree-ssa-pre.c (pre_stats): Add hoist_insert.
68 (do_regular_insertion): Rename to ...
69 (do_pre_regular_insertion): ... this and amend general comments
70 on insertion strathegy.
71 (do_partial_partial_insertion): Rename to ...
72 (do_pre_partial_partial_insertion): ... this.
73 (do_hoist_insertion): New function.
74 (insert_aux): Take flags on whether to do PRE and/or hoist insertion
75 and call do_hoist_insertion properly.
77 (pass_pre::gate): Enable also if -fcode-hoisting is enabled.
78 (pass_pre::execute): Register hoist_insert stats.
80 2016-07-12 Jakub Jelinek <jakub@redhat.com>
83 * gimple-fold.c (optimize_atomic_compare_exchange_p): Return false
84 for SCALAR_FLOAT_TYPE_P type of expected var, or if TYPE_PRECISION
85 is different from mode's bitsize. Small cleanup.
87 2016-07-12 Richard Biener <rguenther@suse.de>
89 PR rtl-optimization/68961
90 * fwprop.c (propagate_rtx): Allow SUBREGs of VEC_CONCAT and CONCAT
91 to simplify to a non-constant.
93 2016-07-11 Jakub Jelinek <jakub@redhat.com>
96 * omp-low.c (expand_omp_target): Gimplify device.
98 PR tree-optimization/71823
99 * tree-vect-stmts.c (vectorizable_operation): Use vect_get_vec_defs
100 to get vec_oprnds2 from op2.
102 2016-07-11 Uros Bizjak <ubizjak@gmail.com>
104 * config/i386/predicates.md (x86_64_immediate_operand) <case CONST>:
105 Hoist common subexpressions.
106 (x86_64_zext_immediate_operand) <case CONST>: Ditto.
108 2016-07-11 Pat Haugen <pthaugen@us.ibm.com>
111 * config/rs6000/rs6000.md (stfiwx): Change constraint to 'wu' to
112 prevent generation of 'stxsiwx' on pre Power8 hardware.
114 2016-07-11 David Malcolm <dmalcolm@redhat.com>
116 * input.c: Include cpplib.h.
117 (selftest::temp_source_file): New class.
118 (selftest::temp_source_file::temp_source_file): New ctor.
119 (selftest::temp_source_file::~temp_source_file): New dtor.
120 (selftest::should_have_column_data_p): New function.
121 (selftest::test_should_have_column_data_p): New function.
122 (selftest::temp_line_table): New class.
123 (selftest::temp_line_table::temp_line_table): New ctor.
124 (selftest::temp_line_table::~temp_line_table): New dtor.
125 (selftest::test_accessing_ordinary_linemaps): Add case_ param; use
126 it to create a temp_line_table.
127 (selftest::assert_loceq): Only verify LOCATION_COLUMN for
128 locations that are known to have column data.
129 (selftest::line_table_case): New struct.
130 (selftest::test_reading_source_line): Move tempfile handling
131 to class temp_source_file.
132 (ASSERT_TOKEN_AS_TEXT_EQ): New macro.
133 (selftest::assert_token_loc_eq): New function.
134 (ASSERT_TOKEN_LOC_EQ): New macro.
135 (selftest::test_lexer): New function.
136 (selftest::boundary_locations): New array.
137 (selftest::input_c_tests): Call test_should_have_column_data_p.
138 Loop over a test matrix of interesting values of location and
139 default_range_bits, calling test_lexer on each case in the matrix.
140 Move call to test_accessing_ordinary_linemaps into the matrix.
141 * selftest.h (ASSERT_EQ): Reimplement in terms of...
142 (ASSERT_EQ_AT): New macro.
144 2016-07-11 H.J. Lu <hongjiu.lu@intel.com>
147 * config/i386/i386.c (timode_scalar_chain::fix_debug_reg_uses):
148 Don't convert TImode in debug insn.
150 2016-07-11 Bernd Edlinger <bernd.edlinger@hotmail.de>
152 Convert TYPE_ALIGN_OK to a TYPE_LANG_FLAG.
153 * tree-core.h (tree_base::nothrow_flag): Adjust comment.
154 (tree_type_common::lang_flag_7): New.
155 (tree_type_common::spare): Reduce size.
156 * tree.h (TYPE_ALIGN_OK): Remove.
157 (TYPE_LANG_FLAG_7): New.
158 (get_inner_reference): Adjust header.
159 * print-tree.c (print_node): Adjust.
160 * expr.c (get_inner_reference): Remove parameter keep_aligning.
161 (get_bit_range, expand_assignment, expand_expr_addr_expr_1): Adjust
162 calls to get_inner_reference.
163 (expand_expr_real_1): Adjust call to get_inner_reference. Remove
164 handling of TYPE_ALIGN_OK.
165 * builtins.c (get_object_alignment_2): Adjust call to
166 get_inner_reference. Remove handling of VIEW_CONVERT_EXPR.
167 * emit-rtl.c (set_mem_attributes_minus_bitpos): Remove handling of
169 * asan.c (instrument_derefs): Adjust calls to get_inner_reference.
170 * cfgexpand.c (expand_debug_expr): Likewise.
171 * dbxout.c (dbxout_expand_expr): Likewise.
172 * dwarf2out.c (loc_list_for_address_of_addr_expr_of_indirect_ref,
173 loc_list_from_tree, fortran_common): Likewise.
174 * fold-const.c (optimize_bit_field_compare,
175 decode_field_reference, fold_unary_loc, fold_comparison,
176 split_address_to_core_and_offset): Likewise.
177 * gimple-laddress.c (execute): Likewise.
178 * gimple-ssa-strength-reduction.c (slsr_process_ref): Likewise.
179 * gimplify.c (gimplify_scan_omp_clauses): Likewise.
180 * hsa-gen.c (gen_hsa_addr): Likewise.
181 * simplifx-rtx.c (delegitimize_mem_from_attrs): Likewise.
182 * tsan.c (instrument_expr): Likewise.
183 * ubsan.c (instrument_bool_enum_load, instrument_object_size): Likewise.
184 * tree.c (verify_type_variant): Remove handling of TYPE_ALIGN_OK.
185 * tree-affine.c (tree_to_aff_combination,
186 get_inner_reference_aff): Adjust calls to get_inner_reference.
187 * tree-data-ref.c (split_constant_offset_1,
188 dr_analyze_innermost): Likewise.
189 * tree-scalar-evolution.c (interpret_rhs_expr): Likewise.
190 * tree-sra.c (ipa_sra_check_caller): Likewise.
191 * tree-ssa-loop-ivopts.c (split_address_cost): Likewise.
192 * tree-ssa-math-opts.c (find_bswap_or_nop_load,
193 bswap_replace): Likewise.
194 * tree-vect-data-refs.c (vect_check_gather,
195 vect_analyze_data_refs): Likewise.
196 * config/mips/mips.c (r10k_safe_mem_expr_p): Likewise.
197 * config/pa/pa.c (pa_emit_move_sequence): Remove handling of
200 2016-07-11 David Malcolm <dmalcolm@redhat.com>
202 * Makefile.in (selftest-valgrind): New phony target.
203 * function-tests.c (selftest::build_cfg): Delete pass instances
205 (selftest::convert_to_ssa): Likewise.
206 (selftest::test_expansion_to_rtl): Likewise.
207 * tree-cfg.c (selftest::test_linear_chain): Release dominator
209 (selftest::test_diamond): Likewise.
211 2016-07-11 Richard Biener <rguenther@suse.de>
213 PR tree-optimization/71816
214 * tree-ssa-pre.c (compute_avail): Adjust alignment of ref rather
215 than replacing all of its operands.
217 2016-07-11 Alan Modra <amodra@gmail.com>
219 * config/rs6000/rs6000.md (UNSPEC_DOLOOP): New unspec.
220 (ctr<mode>): Add unspec.
221 (ctr<mode>_internal*): Likewise.
223 2016-07-08 James Bowman <james.bowman@ftdichip.com>
225 * config/ft32/ft32.c (ft32_elf_encode_section_info): New function.
226 * config/ft32/ft32.h (ASM_OUTPUT_SYMBOL_REF): New function.
228 2016-07-08 Vladimir Makarov <vmakarov@redhat.com>
230 PR rtl-optimization/71621
231 * lra-constraints.c (process_alt_operands): Check combination of
234 2016-07-08 Jason Merrill <jason@redhat.com>
235 Richard Biener <rguenther@suse.de>
237 P0145: Refining Expression Order for C++.
238 * gimplify.c (initial_rhs_predicate_for): New.
239 (gimplfy_modify_expr): Gimplify RHS before LHS.
241 2016-07-08 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
244 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
245 Allow standard error handling to take over when a wrong number
246 of arguments is presented to __builtin_vec_ld () or
249 2016-07-08 Jiong Wang <jiong.wang@arm.com>
251 * config/aarch64/aarch64-simd-builtins.def (smax): Remove float
256 * config/aarch64/arm_neon.h (vmaxnm_f32): Use
257 __builtin_aarch64_fmaxv2sf.
258 (vmaxnmq_f32): Likewise.
259 (vmaxnmq_f64): Likewise.
260 (vminnm_f32): Likewise.
261 (vminnmq_f32): Likewise.
262 (vminnmq_f64): Likewise.
264 2016-07-08 Michael Meissner <meissner@linux.vnet.ibm.com>
267 * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Do not
268 enable -mfloat128-hardware by default.
269 (ISA_3_0_MASKS_IEEE): New macro to give all of the VSX options
270 that IEEE 128-bit hardware support needs.
271 * config/rs6000/rs6000.c (rs6000_option_override_internal): If
272 -mcpu=power9 -mfloat128, enable -mfloat128-hardware by default.
273 Use ISA_3_0_MASKS_IEEE as the set of options that IEEE 128-bit
274 floating point requires.
275 * doc/invoke.texi (RS/6000 and PowerPC Options): Document
276 -mfloat128 and -mfloat128-hardware changes.
278 2016-07-08 Alan Hayward <alan.hayward@arm.com>
280 PR tree-optimization/71667
281 * tree-vect-loop.c (vectorizable_live_operation): ignore DEBUG stmts
283 2016-07-08 Martin Liska <mliska@suse.cz>
286 * fold-const.c (fold_convertible_p): As COMPLEX_TYPE
287 folding produces SAVE_EXPRs, thus return false for the type.
289 2016-07-07 Martin Liska <mliska@suse.cz>
291 * file-find.c (remove_prefix): New function.
292 * file-find.h (remove_prefix): Declare the function.
293 * gcc-ar.c (main): Skip a folder of the wrapper if
294 a wrapped binary would point to the same file.
296 2016-07-07 Jan Hubicka <jh@suse.cz>
298 * tree-scalar-evolution.c (iv_can_overflow_p): export.
299 * tree-scalar-evolution.h (iv_can_overflow_p): Declare.
300 * tree-ssa-loop-ivopts.c (alloc_iv): Use it.
302 2016-07-07 Ilya Enkovich <ilya.enkovich@intel.com>
305 * ipa-inline-analysis.c (compute_inline_parameters): Set
306 local.can_change_signature to false for intrumentation
309 2016-07-07 Thomas Preud'homme <thomas.preudhomme@arm.com>
311 * config/arm/arm.h (TARGET_USE_MOVT): Check MOVT/MOVW availability
312 with TARGET_HAVE_MOVT.
313 (TARGET_HAVE_MOVT): Define.
314 * config/arm/arm.c (const_ok_for_op): Check MOVT/MOVW
315 availability with TARGET_HAVE_MOVT.
316 * config/arm/arm.md (arm_movt): Use TARGET_HAVE_MOVT to check MOVT
318 (addsi splitter): Use TARGET_THUMB && TARGET_HAVE_MOVT rather than
320 (symbol_refs movsi splitter): Remove TARGET_32BIT check.
321 (arm_movtas_ze): Use TARGET_HAVE_MOVT to check MOVT availability.
322 * config/arm/constraints.md (define_constraint "j"): Use
323 TARGET_HAVE_MOVT to check MOVT availability.
325 2016-07-07 Thomas Preud'homme <thomas.preudhomme@arm.com>
327 * config/arm/arm-protos.h: Reindent FL_FOR_* macro definitions.
329 2016-07-07 Thomas Preud'homme <thomas.preudhomme@arm.com>
331 * config/arm/arm-arches.def (armv8-m.base): Define new architecture.
332 (armv8-m.main): Likewise.
333 (armv8-m.main+dsp): Likewise.
334 * config/arm/arm-protos.h (FL_FOR_ARCH8M_BASE): Define.
335 (FL_FOR_ARCH8M_MAIN): Likewise.
336 * config/arm/arm-tables.opt: Regenerate.
337 * config/arm/bpabi.h: Add armv8-m.base, armv8-m.main and
338 armv8-m.main+dsp to BE8_LINK_SPEC.
339 * config/arm/arm.h (TARGET_HAVE_LDACQ): Exclude ARMv8-M.
340 (enum base_architecture): Add BASE_ARCH_8M_BASE and BASE_ARCH_8M_MAIN.
341 * config/arm/arm.c (arm_arch_name): Increase size to work with ARMv8-M
342 Baseline and Mainline.
343 (arm_option_override_internal): Also disable arm_restrict_it when
344 !arm_arch_notm. Update comment for -munaligned-access to also cover
346 (arm_file_start): Increase buffer size for printing architecture name.
347 * doc/invoke.texi: Document architectures armv8-m.base, armv8-m.main
348 and armv8-m.main+dsp.
349 (mno-unaligned-access): Clarify that this is disabled by default for
350 ARMv8-M Baseline architectures as well.
352 2016-07-07 Thomas Preud'homme <thomas.preudhomme@arm.com>
354 * config/arm/elf.h: Use __ARM_ARCH_ISA_THUMB and __ARM_ARCH_ISA_ARM to
355 decide whether to prevent some libgcc routines being included for some
356 multilibs rather than __ARM_ARCH_6M__ and add comment to indicate the
357 link between this condition and the one in
358 libgcc/config/arm/lib1func.S.
360 2016-07-07 Richard Biener <rguenther@suse.de>
362 * tree-ssa-pre.c: Include alias.h.
363 (compute_avail): If we have multiple VN_REFERENCEs with the
364 same hashtable entry adjust that to make it a valid replacement
365 for all of them with respect to alignment and aliasing
366 when doing insertion.
367 * tree-ssa-sccvn.h (vn_reference_operands_for_lookup): Declare.
368 * tree-ssa-sccvn.c (vn_reference_operands_for_lookup): New function.
370 2016-07-06 Segher Boessenkool <segher@kernel.crashing.org>
374 * config/rs6000/rs6000.md (*ctr<mode>_internal1, *ctr<mode>_internal2,
375 *ctr<mode>_internal5, *ctr<mode>_internal6): Add *wi to the output
378 2016-07-06 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
380 * var-tracking.c (struct adjust_mem_data): Make side_effects a vector.
381 (adjust_mems): Adjust.
382 (adjust_insn): Likewise.
383 (prepare_call_arguments): Likewise.
385 2016-07-06 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
387 * gcse.c (struct ls_expr): Make stores field a vector.
388 (ldst_entry): Adjust.
389 (free_ldst_entry): Likewise.
390 (print_ldst_list): Likewise.
391 (compute_ld_motion_mems): Likewise.
392 (update_ld_motion_stores): Likewise.
394 2016-07-06 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
396 * gcse.c (struct ls_expr): Remove loads field.
397 (ldst_entry): Adjust.
398 (free_ldst_entry): Likewise.
399 (print_ldst_list): Likewise.
400 (compute_ld_motion_mems): Likewise.
402 2016-07-06 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
404 * store-motion.c (struct st_expr): Make antic_stores a vector.
405 (st_expr_entry): Adjust.
406 (free_st_expr_entry): Likewise.
407 (print_store_motion_mems): Likewise.
408 (find_moveable_store): Likewise.
409 (compute_store_table): Likewise.
410 (remove_reachable_equiv_notes): Likewise.
411 (replace_store_insn): Likewise.
412 (build_store_vectors): Likewise.
414 2016-07-06 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
416 * config/arm/driver-arm.c (arm_cpu_table): Add entries for cortex-a32,
417 cortex-a35, cortex-a53, cortex-a57, cortex-a72, cortex-a73.
419 2016-07-06 Yuri Rumyantsev <ysrumyan@gmail.com>
421 PR tree-optimization/71518
422 * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Adjust
423 misalign also for outer loops with negative step.
425 2016-07-06 Wilco Dijkstra <wdijkstr@arm.com>
427 * config/arm/cortex-a53.md: Use final_presence_set for in-order.
428 (cortex_a53_shift): Add mov_shift.
429 (cortex_a53_shift_reg): Add new reservation for register shifts.
430 (cortex_a53_alu): Remove bfm.
431 (cortex_a53_alu_shift): Add bfm, remove mov_shift.
432 (cortex_a53_alu_extr): Add new reservation for EXTR.
433 (bypasses): Improve bypass modelling.
435 2016-07-06 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
438 * config/avr/avr.c (avr_asm_select_section): Strip off
439 SECTION_DECLARED from flags when calling get_section.
441 2016-07-06 Richard Sandiford <richard.sandiford@arm.com>
443 * tree-vectorizer.h (vect_memory_access_type): Add
444 VMAT_INVARIANT, VMAT_CONTIGUOUS_DOWN and VMAT_CONTIGUOUS_REVERSED.
445 * tree-vect-stmts.c (compare_step_with_zero): New function.
446 (perm_mask_for_reverse): Move further up file.
447 (get_group_load_store_type): Stick to VMAT_ELEMENTWISE if the
449 (get_negative_load_store_type): New function.
450 (get_load_store_type): Call it. Add an ncopies argument.
451 (vectorizable_mask_load_store): Update call accordingly and
452 remove tests for negative steps.
453 (vectorizable_store, vectorizable_load): Likewise. Handle new
456 2016-07-06 Richard Sandiford <richard.sandiford@arm.com>
458 * tree-vectorizer.h (vect_memory_access_type): New enum.
459 (_stmt_vec_info): Add a memory_access_type field.
460 (STMT_VINFO_MEMORY_ACCESS_TYPE): New macro.
461 (vect_model_store_cost): Take an access type instead of a boolean.
462 (vect_model_load_cost): Likewise.
463 * tree-vect-slp.c (vect_analyze_slp_cost_1): Update calls to
464 vect_model_store_cost and vect_model_load_cost.
465 * tree-vect-stmts.c (vec_load_store_type): New enum.
466 (vect_model_store_cost): Take an access type instead of a
467 store_lanes_p boolean. Simplify tests.
468 (vect_model_load_cost): Likewise, but for load_lanes_p.
469 (get_group_load_store_type, get_load_store_type): New functions.
470 (vectorizable_store): Use get_load_store_type. Record the access
471 type in STMT_VINFO_MEMORY_ACCESS_TYPE.
472 (vectorizable_load): Likewise.
473 (vectorizable_mask_load_store): Likewise. Replace is_store
474 variable with vls_type.
476 2016-07-06 Richard Sandiford <richard.sandiford@arm.com>
478 * tree-vectorizer.h (vect_grouped_load_supported): Add a
479 single_element_p parameter.
480 * tree-vect-data-refs.c (vect_grouped_load_supported): Likewise.
481 Check the PR65518 case here rather than in vectorizable_load.
482 * tree-vect-loop.c (vect_analyze_loop_2): Update call accordignly.
483 * tree-vect-stmts.c (vectorizable_load): Likewise.
485 2016-07-06 Richard Sandiford <richard.sandiford@arm.com>
487 * tree-vectorizer.h (gather_scatter_info): New structure.
488 (vect_check_gather_scatter): Return a bool rather than a decl.
489 Replace return-by-pointer arguments with a single
490 gather_scatter_info *.
491 * tree-vect-data-refs.c (vect_check_gather_scatter): Likewise.
492 (vect_analyze_data_refs): Update call accordingly.
493 * tree-vect-stmts.c (vect_mark_stmts_to_be_vectorized): Likewise.
494 (vectorizable_mask_load_store): Likewise. Also record the
495 offset dt and vectype in the gather_scatter_info.
496 (vectorizable_store): Likewise.
497 (vectorizable_load): Likewise.
499 2016-07-06 Richard Sandiford <richard.sandiford@arm.com>
501 * tree-vect-stmts.c (vect_model_store_cost): For non-SLP
502 strided groups, use the cost of N scalar accesses instead
503 of ncopies vector accesses.
504 (vect_model_load_cost): Likewise.
506 2016-07-06 Richard Sandiford <richard.sandiford@arm.com>
508 * tree-vect-stmts.c (vect_cost_group_size): Delete.
509 (vect_model_store_cost): Avoid calling it. Use first_stmt_p
510 variable to indicate when once-per-group costs are being used.
511 (vect_model_load_cost): Likewise. Fix comment and misindented code.
513 2016-07-06 Richard Sandiford <richard.sandiford@arm.com>
515 * tree-vect-stmts.c (vectorizable_load): Remove unnecessary
516 peeling-for-gaps condition.
518 2016-07-06 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
520 * config/s390/s390.c (s390_expand_vec_init): Force initializer
521 element to register if it doesn't match general_operand.
523 2016-07-05 Michael Meissner <meissner@linux.vnet.ibm.com>
524 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
526 * config/rs6000/rs6000-protos.h (rs6000_split_signbit): New
528 * config/rs6000/rs6000.c (rs6000_split_signbit): New function.
529 * config/rs6000/rs6000.md (UNSPEC_SIGNBIT): New constant.
530 (SIGNBIT): New mode iterator.
531 (Fsignbit): New mode attribute.
532 (signbit<mode>2): Change operand1 to match FLOAT128 instead of
533 IBM128; dispatch to gen_signbit{kf,tf}2_dm for __float128
534 when direct moves are available.
535 (signbit<mode>2_dm): New define_insn_and_split).
536 (signbit<mode>2_dm2): New define_insn.
538 2016-07-05 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
540 PR rtl-optimization/71594
541 * ifcvt.c (noce_convert_multiple_sets): Wrap new_val or old_val
542 into subregs of appropriate mode before trying to emit a conditional
545 2016-07-05 Jan Hubicka <jh@suse.cz>
547 * tree-scalar-evolution.c (iv_can_overflow_p): New function.
550 2016-07-05 Jan Hubicka <jh@suse.cz>
552 * tree-ssa-loop-niter.c (nowrap_type_p): Use ANY_INTEGRAL_TYPE_P.
554 2016-07-05 Jiong Wang <jiong.wang@arm.com>
556 * lra-constraints.c (process_alt_operands): Don't add spilling cost for
559 2016-07-05 Jan Hubicka <jh@suse.cz>
561 * tree-scalar-evoluiton.c (simple_iv): Use nowrap_type to check if
564 2016-07-05 Richard Biener <rguenther@suse.de>
566 * gimple-ssa-split-paths.c (find_block_to_duplicate_for_splitting_pa):
567 Handle empty else block.
568 (is_feasible_trace): Likewise.
569 (split_paths): Likewise.
571 2016-07-05 Richard Biener <rguenther@suse.de>
573 * tree-loop-distribution.c (distribute_loop): Fix issue with
576 2016-07-05 Christophe Lyon <christophe.lyon@linaro.org>
578 * config/arm/neon-testgen.ml: Delete.
579 * config/arm/neon.ml: Delete.
581 2016-07-04 Jakub Jelinek <jakub@redhat.com>
584 * tree.c (attribute_value_equal): Use get_attribute_name instead of
585 directly using TREE_PURPOSE.
587 2016-07-04 Jiong Wang <jiong.wang@arm.com>
589 * config/aarch64/aarch64.h: Rename "ARMv8.1" to "ARMv8.1-A".
590 * config/aarch64/aarch64_neon.h: Likewise.
591 * config/aarch64/arm_neon.h: Likewise.
592 * config/aarch64/atomics.md: Likewise.
593 * config/aarch64/aarch64-simd-builtins.def: Likewise.
594 * doc/invoke.texi: Likewise.
596 2016-07-04 Dominik Vogt <vogt@linux.vnet.ibm.com>
598 * config/s390/s390.md: Add "z13" cpu_facility.
599 ("*mov<mode>cc"): Add support for z13 instructions lochi and locghi.
600 * config/s390/predicates.md ("loc_operand"): New predicate for "load on
601 condition" type instructions.
603 2016-07-04 Dominik Vogt <vogt@linux.vnet.ibm.com>
604 Jeff Law <law@redhat.com>
606 * explow.c (allocate_dynamic_stack_space): Simplify knowing that
607 MUST_ALIGN was always true and extra_align ist always BITS_PER_UNIT.
609 2016-07-04 Yuri Rumyantsev <ysrumyan@gmail.com>
611 * config/i386/i386.c (ix86_expand_vec_perm): Add handle one-operand
612 permutation for TARGET_AVX512F.
613 (ix86_expand_vec_one_operand_perm_avx512): New function.
614 (expand_vec_perm_1): Invoke introduced function.
615 * tree-vect-loop.c (vect_transform_loop): Clear-up safelen value since
616 it may be not valid after vectorization.
618 2016-07-04 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
621 * config/aarch64/aarch64.c (aarch64_classify_symbol): Fix
622 typo in comment. Only force to memory if it is a weak
625 2016-07-04 Matthew Wahab <matthew.wahab@arm.com>
626 Jiong Wang <jiong.wang@arm.com>
628 * config/aarch64/aarch64-arches.def: Add "armv8.2-a".
629 * config/aarch64/aarch64.h (AARCH64_FL_V8_2): New.
630 (AARCH64_FL_F16): New.
631 (AARCH64_FL_FOR_ARCH8_2): New.
632 (AARCH64_ISA_8_2): New.
633 (AARCH64_ISA_F16): New.
634 (TARGET_FP_F16INST): New.
635 (TARGET_SIMD_F16INST): New.
636 * config/aarch64/aarch64-option-extensions.def ("fp16"): New entry.
637 ("fp"): Disabling "fp" also disables "fp16".
638 * config/aarch64/aarch64-c.c (arch64_update_cpp_builtins):
639 Conditionally define __ARM_FEATURE_FP16_SCALAR_ARITHMETIC
640 and __ARM_FEATURE_FP16_VECTOR_ARITHMETIC.
641 * doc/invoke.texi (AArch64 Options): Document "armv8.2-a" and "fp16".
643 2016-07-04 Jan Beulich <jbeulich@suse.com>
645 * gcc.c (default_compilers["@c-header"]): Conditionalize "-o".
647 2016-07-01 Michael Meissner <meissner@linux.vnet.ibm.com>
650 * config/rs6000/vsx.md (vsx_splat_v4sf_internal): When splitting
651 the insns, use an insn form that does not adjust the offset on
652 little endian systems.
654 2016-07-01 Jan Beulich <jbeulich@suse.com>
656 * varasm.c (get_variable_section): Validate initializer in
657 named .bss-like sections.
659 2016-07-01 Kelvin Nilsen <kelvin@gcc.gnu.org>
661 * config/rs6000/altivec.md (*altivec_vpermr_<mode>_internal):
662 Exchange the order of the second and third operands in the vpermr
663 instruction tmeplate.
665 2016-07-01 Peter Bergner <bergner@vnet.ibm.com>
668 * config/rs6000/rs6000.c (rs6000_secondary_reload_simple_move):
669 Disallow TDmode values.
671 2016-07-01 Alan Modra <amodra@gmail.com>
673 PR rtl-optimization/71709
674 * ira-lives.c (find_call_crossed_cheap_reg): Exit loop on arg reg
675 being set, not referenced.
677 2016-07-01 Yuri Rumyantsev <ysrumyan@gmail.com>
679 PR tree-optimization/70729
680 * tree-vectorizer.c (adjust_simduid_builtins): Nullify safelen field
681 of loop since it can be not valid after transformation.
683 2016-07-01 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
685 * config/arm/arm.c (thumb_reload_in_hi): Delete.
686 * config/arm/arm-protos.h (thumb_reload_in_hi): Delete prototype.
688 2016-07-01 Eric Botcazou <ebotcazou@adacore.com>
690 * config/arm/arm.c (arm_function_ok_for_sibcall): Add another check
693 2016-06-30 Michael Meissner <meissner@linux.vnet.ibm.com>
696 * config/rs6000/constraints.md (wY constraint): New constraint to
697 match the requirements for the LXSD and STXSD instructions.
698 * config/rs6000/predicates.md (offsettable_mem_14bit_operand): New
699 predicate to match the requirements for the LXSD and STXSD
701 * config/rs6000/rs6000.md (mov<mode>_hardfloat32, FMOVE64 case):
702 Use constaint wY for LXSD/STXSD instructions instead of 'o' or 'Y'
703 to make sure that the bottom 2 bits of offset are 0, the address
704 form is offsettable, and no updating is done in the address mode.
705 (mov<mode>_hardfloat64, FMOVE64 case): Likewise.
706 (movdi_internal32): Likewise
707 (movdi_internal64): Likewise.
709 2016-06-30 Jakub Jelinek <jakub@redhat.com>
711 PR tree-optimization/71707
712 * tree-ssa-strlen.c (get_stridx_plus_constant): Handle already present
713 strinfo even for ADDR_EXPR ptr.
715 2016-06-30 Kelvin Nilsen <kelvin@gcc.gnu.org>
717 * config/rs6000/altivec.md (darn_32): Change the condition to
718 TARGET_P9_MISC instead of TARGET_MODULO.
719 (darn_raw): Replace TARGET_MODULO with TARGET_P9_MISC in the
720 condition expression.
721 (darn): Replace TARGET_MODULO with TARGET_P9_MISC in the
722 condition expression.
723 * config/rs6000/dfp.md (UNSPEC_DTSTSFI): New unspec constant.
724 (DFP_TEST): New code iterator.
725 (dfptstsfi_<code>_mode>): New define_expand.
726 (*dfp_sgnfcnc_<mode>): New define_insn.
727 * config/rs6000/rs6000-builtin.def (BU_P9_MISC_0): Move this macro
728 definition next to BU_P9_MISC_1 definition and change the MASK
729 value to RS6000_BTM_P9_MISC.
730 (BU_P9_MISC_1): Change the MASK value to RS6000_BTM_P9_MISC.
731 (BU_P9_64BIT_MISC_0): Likewise.
732 (BU_P9_DFP_MISC_0): New macro definition.
733 (BU_P9_DFP_MISC_1): New macro definition.
734 (BU_P9_DFP_MISC_2): New macro definition.
735 (BU_P9_DFP_OVERLOAD_1): New macro definition.
736 (BU_P9_DFP_OVERLOAD_2): New macro definition.
737 (BU_P9_DFP_OVERLOAD_3): New macro definition.
738 (TSTSFI_LT_DD): New BU_P9_DFP_MISC_2.
739 (TSTSFI_LT_TD): Likewise.
740 (TSTSFI_EQ_DD): Likewise.
741 (TSTSFI_EQ_TD): Likewise.
742 (TSTSFI_GT_DD): Likewise.
743 (TSTSFI_GT_TD): Likewise.
744 (TSTSFI_OV_DD): Likewise.
745 (TSTSFI_OV_TD): Likewise.
746 (TSTSFI_LT): New BU_P9_DFP_OVERLOAD_2.
747 (TSTSFI_LT_DD): Likewise.
748 (TSTSFI_LT_TD): Likewise.
749 (TSTSFI_EQ): Likewise.
750 (TSTSFI_EQ_DD): Likewise.
751 (TSTSFI_EQ_TD): Likewise.
752 (TSTSFI_GT): Likewise.
753 (TSTSFI_GT_DD): Likewise.
754 (TSTSFI_GT_TD): Likewise.
755 (TSTSFI_OV): Likewise.
756 (TSTSFI_OV_DD): Likewise.
757 (TSTSFI_OV_TD): Likewise.
758 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
759 overloaded test significance functions.
760 * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
761 OPTION_MASK_P9_MISC into the representation of this mask.
762 (POWERPC_MASKS): Add OPTION_MASK_P9_MISC into the representation
764 * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Set the
765 RS6000_BTM_P9_MISC flag in the return value if TARGET_P9_MISC is
767 (rs6000_expand_binop_builtin): Enforce that argument 0 of the exp
768 argument is a 6-bit unsigned literal value if the icode argument
769 represents a DFP test significance built-in call.
770 (rs6000_invalid_builtin): Add support for the RS6000_BTM_P9_MISC
771 flag used independently and in combination with the
772 RS6000_BTM_64BIT flag.
773 (rs6000_opt_masks): Add entry for power9-misc command-line option.
774 (rs6000_builtin_mask_names): Add entry for power9-misc
776 * config/rs6000/rs6000.h: Redefine TARGET_P9_MISC as 0 if
777 HAVE_AS_POWER9 is not a defined macro. Define MASK_P9_MISC and
778 RS6000_BTM_P9_MISC macros.
779 * config/rs6000/rs6000.opt: Add support for the -mpower9-misc
780 option and change the description of the -mpower9-vector option to
781 enable only vector instructions, removing its erroneously claimed
782 support for scalar instructions.
783 * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
784 the ISA 3.0 digital floating point test significance built-in
787 2016-06-30 Wilco Dijkstra <wdijkstr@arm.com>
789 * config/aarch64/aarch64.c (cortexa35_tunings):
790 Enable AES fusion. Use cortexa57_branch_cost.
791 (cortexa53_tunings): Use cortexa57_branch_cost.
792 (cortexa72_tunings): Use cortexa57_branch_cost.
793 Use AUTOPREFETCHER_WEAK.
794 (cortexa73_tunings): Use cortexa57_branch_cost.
796 2016-06-30 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
797 James Greenhalgh <james.greenhalgh@arm.com>
799 * config/aarch64/arm_neon.h (vcopyq_lane_f32, vcopyq_lane_f64,
800 vcopyq_lane_p8, vcopyq_lane_p16, vcopyq_lane_s8, vcopyq_lane_s16,
801 vcopyq_lane_s32, vcopyq_lane_s64, vcopyq_lane_u8, vcopyq_lane_u16,
802 vcopyq_lane_u32, vcopyq_lane_u64): Reimplement in C.
803 (vcopy_lane_f32, vcopy_lane_f64, vcopy_lane_p8, vcopy_lane_p16,
804 vcopy_lane_s8, vcopy_lane_s16, vcopy_lane_s32, vcopy_lane_s64,
805 vcopy_lane_u8, vcopy_lane_u16, vcopy_lane_u32, vcopy_lane_u64,
806 vcopy_laneq_f32, vcopy_laneq_f64, vcopy_laneq_p8, vcopy_laneq_p16,
807 vcopy_laneq_s8, vcopy_laneq_s16, vcopy_laneq_s32, vcopy_laneq_s64,
808 vcopy_laneq_u8, vcopy_laneq_u16, vcopy_laneq_u32, vcopy_laneq_u64,
809 vcopyq_laneq_f32, vcopyq_laneq_f64, vcopyq_laneq_p8, vcopyq_laneq_p16,
810 vcopyq_laneq_s8, vcopyq_laneq_s16, vcopyq_laneq_s32, vcopyq_laneq_s64,
811 vcopyq_laneq_u8, vcopyq_laneq_u16, vcopyq_laneq_u32, vcopyq_laneq_u64):
814 2016-06-30 James Greenhalgh <james.greenhalgh@arm.com>
815 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
817 * config/aarch64/aarch64-simd.md (*aarch64_simd_vec_copy_lane<mode>):
819 (*aarch64_simd_vec_copy_lane_<vswap_width_name><mode>): Likewise.
821 2016-06-30 David Malcolm <dmalcolm@redhat.com>
824 * gcc.c (driver::build_option_suggestions): Pass "option" to
825 add_misspelling_candidates.
826 * opts-common.c (add_misspelling_candidates): Add "option" param;
827 use it to avoid adding negated forms for options marked with
829 * opts.h (add_misspelling_candidates): Add "option" param.
831 2016-06-30 Jakub Jelinek <jakub@redhat.com>
834 * fold-const.c (fold_binary_loc) <case RROTATE_EXPR>: Cast
835 TREE_OPERAND (arg0, 0) and TREE_OPERAND (arg0, 1) to type
836 first when permuting bitwise operation with rotate. Cast
837 TREE_OPERAND (arg0, 0) to type when cancelling two rotations.
839 2016-06-29 David Malcolm <dmalcolm@redhat.com>
841 * opts.c (handle_param): Use find_param_fuzzy to offer suggestions
842 for misspelled param names.
843 * params.c: Include spellcheck.h.
844 (find_param_fuzzy): New function.
845 * params.h (find_param_fuzzy): New prototype.
846 * spellcheck.c (struct edit_distance_traits<const char *>): Move to...
847 * spellcheck.h (struct edit_distance_traits<const char *>):
850 2016-06-29 Michael Meissner <meissner@linux.vnet.ibm.com>
852 * config/rs6000/predicates.md (const_0_to_7_operand): New
853 predicate, recognize 0..7.
854 * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Add
855 support for doing extracts from V16QImode, V8HImode, V4SImode
857 * config/rs6000/vsx.md (VSX_EXTRACT_I): Mode iterator for ISA 3.0
858 vector extract support.
859 (VSX_EXTRACT_PREDICATE): Mode attribute to validate element number
860 for ISA 3.0 vector extract.
861 (VSX_EX): Constraints to use for ISA 3.0 vector extract.
862 (vsx_extract_<mode>, VSX_EXTRACT_I): Add support for doing
863 extracts of a constant element number from small integer vectors
864 on 64-bit ISA 3.0 systems.
865 (vsx_extract_<mode>_di): Likewise.
866 * config/rs6000/rs6000.h (TARGET_VEXTRACTUB): New target macro to
867 say when we can do ISA 3.0 vector extracts.
868 * config/rs6000/rs6000.md (stfiwx): Allow DImode in Altivec
869 registers, using the stxsiwx instruction.
871 2016-06-29 Jim Wilson <jim.wilson@linaro.org>
873 * config/aarch64/aarch64-cores.def (qdf24xx): Use qdf24xx tuning.
874 * config/aarch64/aarch64.c (qdf24xx_addrcost_table,
875 qdf24xx_regmove_cost, qdf24xx_tunings): New.
876 * config/arm/aarch64-cost-tables.h (qdf24xx_extra_costs): New.
877 * config/arm/arm-cores.def (qdf24xx): Use qdf24xx tuning.
878 * config/arm/arm.c (arm_qdf24xx_tune): New.
880 2016-06-29 Wilco Dijkstra <wdijkstr@arm.com>
882 * config/aarch64/aarch64.c (cortexa53_tunings):
883 Increase loop alignment to 8. Set function alignment to 16.
884 (cortexa35_tunings): Likewise.
885 (cortexa57_tunings): Increase loop alignment to 8.
886 (cortexa72_tunings): Likewise.
887 (cortexa73_tunings): Likewise.
889 2016-06-29 Matthew Wahab <matthew.wahab@arm.com>
891 * doc/sourcebuild.texi (Effective-Target keywords): Add entries
892 for arm_fp16_ok and arm_fp16_hw.
893 (Add Options): Add entries for arm_fp16, arm_fp16_ieee and
894 arm_fp16_alternative.
896 2016-06-29 Ilya Enkovich <ilya.enkovich@intel.com>
898 PR tree-optimization/71655
899 * tree-vect-stmts.c (vectorizable_comparison): Swap definition
900 types when swapping operands.
902 2016-06-29 Martin Liska <mliska@suse.cz>
905 * common.opt (flag_stack_protect): Mark the flag as optimization flag.
906 * ipa-inline-transform.c (inline_call): Remove unnecessary call
907 of build_optimization_node.
909 2016-06-29 Yuri Rumyantsev <ysrumyan@gmail.com>
911 PR tree-optimization/70729
912 * tree-ssa-loop-im.c (ref_indep_loop_p_1): Consider memory reference as
913 independent in loops having positive safelen value.
914 * tree-vect-loop.c (vect_transform_loop): Clear-up safelen value since
915 it may be not valid after vectorization.
917 2016-06-29 Jakub Jelinek <jakub@redhat.com>
919 PR tree-optimization/71625
920 * tree-ssa-strlen.c (get_addr_stridx): Add PTR argument. Assume list
921 is sorted by ascending list->offset. If PTR is non-NULL and there is
922 previous strinfo, call get_stridx_plus_constant.
923 (get_stridx): Pass exp as second argument to get_addr_stridx.
924 (addr_stridxptr): Add missing list = list->next, so that there can be
925 more than one entries in the list. Bump limit from 16 to 32. Ensure
926 the list is sorted by ascending list->offset.
927 (get_stridx_plus_constant): Adjust so that it can be also called with
928 ADDR_EXPR instead of SSA_NAME as PTR.
929 (handle_char_store): Pass NULL_TREE as second argument to
932 2016-06-29 Richard Biener <rguenther@suse.de>
934 PR rtl-optimization/68961
935 * simplify-rtx.c (simplify_subreg): Handle VEC_CONCAT like CONCAT.
937 2016-06-29 Richard Biener <rguenther@suse.de>
940 * alias.c (component_uses_parent_alias_set_from): Handle
941 type punning through union accesses by using the union alias set.
942 * gimple.c (gimple_get_alias_set): Remove union type punning case.
944 2016-07-29 Richard Biener <rguenther@suse.de>
946 * match.pd ((T)(T2)x -> (T)x): Remove restriction on final
947 precision not matching mode precision.
949 2016-06-28 John David Anglin <danglin@gcc.gnu.org>
951 * config/pa/pa.md (call_symref_64bit_post_reload): Don't call
952 pa_output_arg_descriptor.
953 (call_val_symref_64bit_post_reload): Likewise.
954 (call_val_powf_64bit_post_reload): Likewise.
955 (sibcall_internal_symref_64bit): Likewise.
956 (sibcall_value_internal_symref_64bit): Likewise.
958 2016-06-28 Jakub Jelinek <jakub@redhat.com>
961 * config/i386/i386.c (ix86_expand_vector_move): For SUBREG of
962 a constant, force its SUBREG_REG into memory or register instead
965 2016-06-28 Pitchumani Sivanupandi <pitchumani.s@atmel.com>
968 * config/avr/avr.opt (-mfract-convert-truncate): Update description.
969 * doc/invoke.texi (AVR Options): Document it.
971 2016-06-28 Walter Lee <walt@tilera.com>
973 * config/tilegx/linux.h: Do not include arch/icache.h
974 (CLEAR_INSN_CACHE): Provide inlined definition directly.
975 * config/tilepro/linux.h: Do not include arch/icache.h
976 (CLEAR_INSN_CACHE): Provide inlined definition directly.
978 2016-06-28 Wilco Dijkstra <wdijkstr@arm.com>
980 * tree-ssa-math-opts.c (find_bswap_or_nop_1): Adjust bitnumbering
981 for big-endian BIT_FIELD_REF.
983 2016-06-28 Pat Haugen <pthaugen@us.ibm.com>
985 * config/rs6000/rs6000.md ('type' attribute): Add htmsimple/dfp types.
986 ('size' attribute): Add '128'.
988 (*mov<mode>_hardfloat32, *mov<mode>_hardfloat64, *movdi_internal32,
989 *movdi_internal64, *movdf_update1): Set size attribute to '64'.
990 (add<mode>3, sub<mode>3, mul<mode>3, div<mode>3, sqrt<mode>2,
991 copysign<mode>3, neg<mode>2_hw, abs<mode>2_hw, *nabs<mode>2_hw,
992 *fma<mode>4_hw, *fms<mode>4_hw, *nfma<mode>4_hw, *nfms<mode>4_hw,
993 extend<SFDF:mode><IEEE128:mode>2_hw, trunc<mode>df2_hw,
994 *xscvqp<su>wz_<mode>, *xscvqp<su>dz_<mode>, *xscv<su>dqp_<mode>,
995 *trunc<mode>df2_odd): Set size attribute to '128'.
996 (*cmp<mode>_hw): Change type to veccmp and set size attribute to '128'.
997 * config/rs6000/power6.md (power6-fp): Include dfp type.
998 * config/rs6000/power7.md (power7-fp): Likewise.
999 * config/rs6000/power8.md (power8-fp): Likewise.
1000 * config/rs6000/power9.md: New file.
1001 * config/rs6000/t-rs6000 (MD_INCLUDES): Add power9.md.
1002 * config/rs6000/htm.md (*tabort, *tabort<wd>c, *tabort<wd>ci,
1003 *trechkpt, *treclaim, *tsr, *ttest): Change type attribute to
1005 * config/rs6000/dfp.md (extendsddd2, truncddsd2, extendddtd2,
1006 trunctddd2, adddd3, addtd3, subdd3, subtd3, muldd3, multd3, divdd3,
1007 divtd3, *cmpdd_internal1, *cmptd_internal1, floatdidd2, floatditd2,
1008 ftruncdd2, fixdddi2, ftrunctd2, fixtddi2, dfp_ddedpd_<mode>,
1009 dfp_denbcd_<mode>, dfp_dxex_<mode>, dfp_diex_<mode>, dfp_dscli_<mode>,
1010 dfp_dscri_<mode>): Change type attribute to dfp.
1011 * config/rs6000/crypto.md (crypto_vshasigma<CR_char>): Change type
1012 attribute to vecsimple.
1013 * config/rs6000/rs6000.c (power9_cost): Update costs, cache size
1014 and prefetch streams.
1015 (rs6000_option_override_internal): Remove temporary code setting
1016 tuning to power8. Don't set rs6000_sched_groups for power9.
1017 (last_scheduled_insn): Change to rtx_insn *.
1018 (divide_cnt, vec_load_pendulum): New variables.
1019 (rs6000_adjust_cost): Add Power9 to test for store->load separation.
1020 (rs6000_issue_rate): Set issue rate for Power9.
1021 (is_power9_pairable_vec_type): New.
1022 (power9_sched_reorder2): New.
1023 (rs6000_sched_reorder2): Call new function for Power9 specific
1025 (insn_must_be_first_in_group): Remove Power9.
1026 (insn_must_be_last_in_group): Likewise.
1027 (force_new_group): Likewise.
1028 (rs6000_sched_init): Fix initialization of last_scheduled_insn.
1029 Initialize divide_cnt/vec_load_pendulum.
1030 (_rs6000_sched_context, rs6000_init_sched_context,
1031 rs6000_set_sched_context): Handle context save/restore of new
1034 2016-06-28 Richard Biener <rguenther@suse.de>
1036 * tree-ssa-alias.c (nonoverlapping_component_refs_of_decl_p):
1037 Properly handle DECL_BIT_FIELD_REPRESENTATIVE occuring as
1038 COMPONENT_REF operand.
1039 (nonoverlapping_component_refs_p): Likewise.
1040 * stor-layout.c (start_bitfield_representative): Mark
1041 DECL_BIT_FIELD_REPRESENTATIVE as DECL_NONADDRESSABLE_P.
1043 2016-06-28 Jakub Jelinek <jakub@redhat.com>
1045 * Makefile.in: Don't cat ../stage_current if it does not exist.
1047 * doc/extend.texi (__builtin_add_overflow_p): Clarify behavior when
1048 last argument is a bit-field.
1050 PR rtl-optimization/71673
1051 * internal-fn.c (expand_arith_overflow_result_store): Use
1052 OPTAB_LIB_WIDEN instead of OPTAB_DIRECT as last argument to
1053 expand_simple_binop.
1056 * builtins.c (expand_ifn_atomic_compare_exchange_into_call,
1057 expand_ifn_atomic_compare_exchange): New functions.
1058 * internal-fn.c (expand_ATOMIC_COMPARE_EXCHANGE): New function.
1059 * tree.h (build_call_expr_internal_loc): Rename to ...
1060 (build_call_expr_internal_loc_array): ... this. Fix up type of
1062 * internal-fn.def (ATOMIC_COMPARE_EXCHANGE): New internal fn.
1063 * predict.c (expr_expected_value_1): Handle IMAGPART_EXPR of
1064 ATOMIC_COMPARE_EXCHANGE result.
1065 * builtins.h (expand_ifn_atomic_compare_exchange): New prototype.
1066 * gimple-fold.h (optimize_atomic_compare_exchange_p,
1067 fold_builtin_atomic_compare_exchange): New prototypes.
1068 * gimple-fold.c (optimize_atomic_compare_exchange_p,
1069 fold_builtin_atomic_compare_exchange): New functions..
1070 * tree-ssa.c (execute_update_addresses_taken): If
1071 optimize_atomic_compare_exchange_p, ignore &var in 2nd argument
1072 of call when finding addressable vars, and if such var becomes
1073 non-addressable, call fold_builtin_atomic_compare_exchange.
1075 2016-06-27 Segher Boessenkool <segher@kernel.crashing.org>
1078 * config/rs6000/rs6000.md (ashdi3_extswsli_dot): Use
1079 gen_ashdi3_extswsli_dot2 instead of gen_ashdi3_extswsli_dot.
1081 2016-06-27 Pat Haugen <pthaugen@us.ibm.com>
1083 * config/rs6000/rs6000.md ('type' attribute): Add
1084 veclogical,veccmpfx,vecexts,vecmove insn types.
1085 (*abs<mode>2_fpr, *nabs<mode>2_fpr, *neg<mode>2_fpr, *extendsfdf2_fpr,
1086 copysign<mode>3_fcpsgn, trunc<mode>df2_internal1, neg<mode>2_internal,
1087 p8_fmrgow_<mode>, pack<mode>): Change type to fpsimple.
1088 (*xxsel<mode>, copysign<mode>3_hard, neg<mode>2_hw, abs<mode>2_hw,
1089 *nabs<mode>2_hw): Change type to vecmove.
1090 (*and<mode>3_internal, *bool<mode>3_internal, *boolc<mode>3_internal,
1091 *boolcc<mode>3_internal, *eqv<mode>3_internal,
1092 *one_cmpl<mode>3_internal, *ieee_128bit_vsx_neg<mode>2_internal,
1093 *ieee_128bit_vsx_abs<mode>2_internal,
1094 *ieee_128bit_vsx_nabs<mode>2_internal, extendkftf2, trunctfkf2,
1095 *ieee128_mfvsrd_64bit, *ieee128_mfvsrd_32bit, *ieee128_mtvsrd_64bit,
1096 *ieee128_mtvsrd_32bit): Change type to veclogical.
1097 (mov<mode>_hardfloat, *mov<mode>_hardfloat32, *mov<mode>_hardfloat64,
1098 *movdi_internal32, *movdi_internal64): Update insn types.
1099 * config/rs6000/vsx.md (*vsx_le_undo_permute_<mode>,
1100 vsx_extract_<mode>): Change type to veclogical.
1101 (*vsx_xxsel<mode>, *vsx_xxsel<mode>_uns): Change type to vecmove.
1102 (vsx_sign_extend_qi_<mode>, *vsx_sign_extend_hi_<mode>,
1103 *vsx_sign_extend_si_v2di): Change type to vecexts.
1104 * config/rs6000/altivec.md (*altivec_mov<mode>, *altivec_movti): Change
1106 (*altivec_eq<mode>, *altivec_gt<mode>, *altivec_gtu<mode>,
1107 *altivec_vcmpequ<VI_char>_p, *altivec_vcmpgts<VI_char>_p,
1108 *altivec_vcmpgtu<VI_char>_p): Change type to veccmpfx.
1109 (*altivec_vsel<mode>, *altivec_vsel<mode>_uns): Change type to vecmove.
1110 * config/rs6000/dfp.md (*negdd2_fpr, *absdd2_fpr, *nabsdd2_fpr,
1111 negtd2, *abstd2_fpr, *nabstd2_fpr): Change type to fpsimple.
1112 * config/rs6000/40x.md (ppc405-float): Add fpsimple.
1113 * config/rs6000/440.md (ppc440-fp): Add fpsimple.
1114 * config/rs6000/476.md (ppc476-fp): Add fpsimple.
1115 * config/rs6000/601.md (ppc601-fp): Add fpsimple.
1116 * config/rs6000/603.md (ppc603-fp): Add fpsimple.
1117 * config/rs6000/6xx.md (ppc604-fp): Add fpsimple.
1118 * config/rs6000/7xx.md (ppc750-fp): Add fpsimple.
1119 (ppc7400-vecsimple): Add veclogical, vecmove, veccmpfx.
1120 * config/rs6000/7450.md (ppc7450-fp): Add fpsimple.
1121 (ppc7450-vecsimple): Add veclogical, vecmove.
1122 (ppc7450-veccmp): Add veccmpfx.
1123 * config/rs6000/8540.md (ppc8540_simple_vector): Add veclogical,
1125 (ppc8540_vector_compare): Add veccmpfx.
1126 * config/rs6000/a2.md (ppca2-fp): Add fpsimple.
1127 * config/rs6000/cell.md (cell-fp): Add fpsimple.
1128 (cell-vecsimple): Add veclogical, vecmove.
1129 (cell-veccmp): Add veccmpfx.
1130 * config/rs6000/e300c2c3.md (ppce300c3_fp): Add fpsimple.
1131 * config/rs6000/e6500.md (e6500_vecsimple): Add veclogical, vecmove,
1133 * config/rs6000/mpc.md (mpccore-fp): Add fpsimple.
1134 * config/rs6000/power4.md (power4-fp): Add fpsimple.
1135 (power4-vecsimple): Add veclogical, vecmove.
1136 (power4-veccmp): Add veccmpfx.
1137 * config/rs6000/power5.md (power5-fp): Add fpsimple.
1138 * config/rs6000/power6.md (power6-fp): Add fpsimple.
1139 (power6-vecsimple): Add veclogical, vecmove.
1140 (power6-veccmp): Add veccmpfx.
1141 * config/rs6000/power7.md (power7-fp): Add fpsimple.
1142 (power7-vecsimple): Add veclogical, vecmove, veccmpfx.
1143 * config/rs6000/power8.md (power8-fp): Add fpsimple.
1144 (power8-vecsimple): Add veclogical, vecmove, veccmpfx.
1145 * config/rs6000/rs64.md (rs64a-fp): Add fpsimple.
1146 * config/rs6000/titan.md (titan_fp): Add fpsimple.
1147 * config/rs6000/xfpu.md (fp-default, fp-addsub-s, fp-addsub-d): Add
1149 * config/rs6000/rs6000.c (rs6000_adjust_cost): Add TYPE_FPSIMPLE.
1151 2016-06-27 Peter Bergner <bergner@vnet.ibm.com>
1154 * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
1155 OPTION_MASK_P9_DFORM_VECTOR.
1156 * config/rs6000/rs6000.c (rs6000_option_override_internal): Do not
1157 disable -mpower9-dform-vector when using reload.
1158 (quad_address_p): Remove 'gpr_p' argument and all associated code.
1159 New 'strict' argument. Update all callers. Add strict addressing
1161 (rs6000_legitimate_offset_address_p): Remove call to
1162 virtual_stack_registers_memory_p.
1163 (rs6000_legitimize_reload_address): Add quad address support.
1164 (rs6000_legitimate_address_p): Move call to quad_address_p above
1165 call to virtual_stack_registers_memory_p. Adjust quad_address_p args
1166 to account for new strict usage.
1167 (rs6000_output_move_128bit): Adjust quad_address_p args to account
1168 for new strict usage.
1169 * config/rs6000/predicates.md (quad_memory_operand): Likewise.
1171 2016-06-26 Uros Bizjak <ubizjak@gmail.com>
1178 * config/i386/i386.c (ix86_spill_class): Disable condition to
1179 always return NO_REGS.
1181 2016-06-26 Jan Hubicka <hubicka@ucw.cz>
1183 * predict.c: Include gimple-pretty-print.h
1184 (predicted_by_loop_heuristics_p): Check also
1185 PRED_LOOP_EXIT_WITH_RECURSION
1186 (predict_loops): Find self recursive calls and use special purpose
1187 predictors for them; dump log about decisions.
1188 (pass_profile::execute): Dump info about #of iterations.
1189 * predict.def (PRED_LOOP_EXIT_WITH_RECURSION,
1190 (PRED_LOOP_GUARD_WITH_RECURSION): New predictors.
1192 2016-06-26 John David Anglin <danglin@gcc.gnu.org>
1194 * config/pa/pa.c (pa_output_indirect_call): Rework to combine
1195 output_asm_insn calls and shorten long lines. Output .CALL
1196 argument descriptor using pa_output_arg_descriptor. Add various
1197 inline $$dyncall and other optimizations.
1198 (pa_attr_length_indirect_call): Adjust ordering and lengths.
1200 2016-06-25 Jakub Jelinek <jakub@redhat.com>
1202 PR tree-optimization/71643
1203 * tree-ssa-tail-merge.c (find_clusters_1): Ignore basic blocks with
1206 * tree-ssa-tail-merge.c (deps_ok_for_redirect_from_bb_to_bb): Don't
1207 leak a bitmap if dep_bb is NULL.
1209 PR tree-optimization/71631
1210 * tree-ssa-reassoc.c (reassociate_bb): Pass true as last argument
1211 to rewrite_expr_tree even if negate_result, move new_lhs var
1212 declaration and initialization earlier, for powi_result set afterwards
1213 new_lhs to lhs. For negate_result, use new_lhs instead of tmp
1214 if new_lhs != lhs, and don't shadow gsi var.
1216 2016-06-24 Jan Hubicka <hubicka@ucw.cz>
1218 * predict.c (predict_paths_leading_to, predict_paths_leading_to_edge):
1219 Add in_loop parameter.
1220 (predict_loops): Add loop guard heuristics.
1221 * predict.def (PRED_LOOP_GUARD): New heuristics.
1223 2016-06-24 Jan Hubicka <hubicka@ucw.cz>
1225 * predict.c: Include ipa-utils.h
1226 (tree_bb_level_prediction): Predict recursive calls.
1227 (tree_estimate_probability_bb): Skip inexpensive calls for call
1229 * predict.def (PRED_RECURSIVE_CALL): New.
1231 2016-06-24 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1233 * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): New #define.
1234 (BU_FLOAT128_1): Likewise.
1236 (COPYSIGNQ): Likewise.
1237 (RS6000_BUILTIN_NANQ): Likewise.
1238 (RS6000_BUILTIN_NANSQ): Likewise.
1239 (RS6000_BUILTIN_INFQ): Likewise.
1240 (RS6000_BUILTIN_HUGE_VALQ): Likewise.
1241 * config/rs6000/rs6000.c (rs6000_fold_builtin): New prototype.
1242 (TARGET_FOLD_BUILTIN): New #define.
1243 (rs6000_builtin_mask_calculate): Add TARGET_FLOAT128 entry.
1244 (rs6000_invalid_builtin): Add handling for RS6000_BTM_FLOAT128.
1245 (rs6000_fold_builtin): New target hook implementation, handling
1246 folding of 128-bit NaNs and infinities.
1247 (rs6000_init_builtins): Initialize const_str_type_node; ensure all
1248 entries are filled in to avoid problems during bootstrap
1249 self-test; define builtins for 128-bit NaNs and infinities.
1250 (rs6000_opt_mask): Add entry for float128.
1251 * config/rs6000/rs6000.h (RS6000_BTM_FLOAT128): New #define.
1252 (RS6000_BTM_COMMON): Include RS6000_BTM_FLOAT128.
1253 (rs6000_builtin_type_index): Add RS6000_BTI_const_str.
1254 (const_str_type_node): New #define.
1255 * config/rs6000/rs6000.md (copysign<mode>3 for IEEE128): Convert
1256 to a define_expand that dispatches to either copysign<mode>3_soft
1257 or copysign<mode>3_hard.
1258 (copysign<mode>3_hard): Rename from copysign<mode>3.
1259 (copysign<mode>3_soft): New define_insn.
1260 * doc/extend.texi: Document new builtins.
1262 2016-06-24 Jakub Jelinek <jakub@redhat.com>
1264 * cfgloop.c (flow_loop_dump): Cast nit to uint64_t and print it using
1265 PRIu64 instead of lu.
1267 2016-06-24 Eric Botcazou <ebotcazou@adacore.com>
1270 * tree-inline.c (remap_decl): When fixing up DECL_ORIGINAL_TYPE, just
1273 2016-06-24 Jakub Jelinek <jakub@redhat.com>
1275 PR tree-optimization/71647
1276 * omp-low.c (lower_rec_input_clauses): Convert
1277 omp_clause_aligned_alignment (c) to size_type_node for the
1278 last argument of __builtin_assume_aligned.
1280 2016-06-24 H.J. Lu <hongjiu.lu@intel.com>
1282 * configure.ac (calling ___tls_get_addr via GOT): New
1283 assembler/linker check.
1284 (HAVE_AS_IX86_TLS_GET_ADDR_GOT): New. Defined to 1 if 32-bit
1285 assembler and linker supports calling ___tls_get_addr via GOT.
1286 Otherise, defined to 0.
1287 * config.in: Regenerated.
1288 * configure: Likewise.
1289 * config/i386/constraints.md (Yb): New constraint.
1290 * config/i386/i386.h (reg_class): Add TLS_GOTBASE_REGS.
1291 (REG_CLASS_NAMES): Likewise.
1292 (REG_CLASS_CONTENTS): Likewise.
1293 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Replace
1294 the b constraint with the Yb constraint. Call ___tls_get_addr
1295 via GOT for GNU TLS with -fno-plt if HAVE_AS_IX86_TLS_GET_ADDR_GOT
1297 (*tls_local_dynamic_base_32_gnu): Likewise.
1298 (*tls_global_dynamic_64_<mode>): Call _tls_get_addr via GOT for
1299 GNU TLS with -fno-plt if HAVE_AS_IX86_TLS_GET_ADDR_GOT is 1.
1300 (*tls_local_dynamic_base_64_<mode>): Likewise.
1302 2016-06-24 Martin Liska <mliska@suse.cz>
1304 * cfgloop.c (flow_loop_dump): Dump average number of loop iterations.
1305 * cfgloop.h: Change 'struct loop' to 'const struct loop' for a
1307 * cfgloopanal.c (expected_loop_iterations_unbounded): Set a new
1308 argument to true if the expected number of iterations is
1311 2016-06-24 Uros Bizjak <ubizjak@gmail.com>
1313 * configure.ac (HAVE_AS_GOTOF_IN_DATA): Use $as_ix86_gas_32_opt to
1314 assemble for 32bit target.
1315 (HAVE_AS_IX86_TLSGDPLT): Use $as_ix86_gas_32_opt to assemble
1316 and $ld_ix86_gld_32_opt to link for 32bit target.
1317 (HAVE_AS_IX86_TLSLDMPLT): Ditto.
1318 * configure: Regenerate.
1320 2016-06-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1322 * config/arm/arm.c (int_log2): Delete definition and prototype.
1323 (shift_op): Use exact_log2 instead of int_log2.
1324 (vfp3_const_double_for_fract_bits): Likewise.
1326 2016-06-24 Jakub Jelinek <jakub@redhat.com>
1328 * internal-fn.c (expand_arith_set_overflow): New function.
1329 (expand_addsub_overflow, expand_neg_overflow, expand_mul_overflow):
1331 (expand_arith_overflow_result_store): Likewise. Handle precision
1332 smaller than mode precision.
1333 * tree-vrp.c (extract_range_basic): For imag part, handle
1334 properly signed 1-bit precision result.
1335 * doc/extend.texi (__builtin_add_overflow): Document that last
1336 argument can't be pointer to enumerated or boolean type.
1337 (__builtin_add_overflow_p): Document that last argument can't
1338 have enumerated or boolean type.
1340 2016-06-23 Michael Meissner <meissner@linux.vnet.ibm.com>
1341 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1343 * config/rs6000/predicates.md (splat_input_operand): Rework.
1344 Don't allow constants, since the insns that use this predicate
1345 don't support constants. Constants are handled by other insns
1346 that are created via combine. During and after register
1347 allocation, only allow indexed or indirect addresses, and not
1348 general addresses. Only allow modes supported by the hardware.
1349 * config/rs6000/rs6000.c (xxsplitb_constant_p): Update usage
1350 comment. Move check for using VSPLTIS<x> to a common location,
1351 instead of doing it in two different places.
1353 2016-06-23 Jocelyn Mayer <l_indien@magic.fr>
1355 * config/i386/driver-i386.c (host_detect_local_cpu): Set
1356 PROCESSOR_PENTIUMPRO for signature_CENTAUR_ebx family >= 9.
1357 <case PROCESSOR_PENTIMUMPRO>: Pass c7 or nehemiah for
1358 signature_CENTAUR_ebx.
1360 2016-06-23 H.J. Lu <hongjiu.lu@intel.com>
1364 * configure.ac (as_ix86_tls_ldm_opt): Renamed to ...
1365 (as_ix86_gas_32_opt): This.
1366 (ld_ix86_tls_ldm_opt): Renamed to ...
1367 (ld_ix86_gld_32_opt): This.
1368 (R_386_TLS_LDM reloc): Updated.
1369 (R_386_GOT32X reloc): New assembler/linker check.
1370 (HAVE_AS_IX86_GOT32X): New. Defined to 1 if 32-bit assembler and
1371 linker support "jmp *_start@GOT" and "cmpl $0, bar@GOT". Otherise,
1373 * config.in: Regenerated.
1374 * configure: Likewise.
1375 * config/i386/i386.c (ix86_force_load_from_GOT_p): Return
1376 true if HAVE_AS_IX86_GOT32X is 1 in 32-bit mode.
1377 (ix86_legitimate_address_p): Allow UNSPEC_GOT for -fno-plt
1378 if ix86_force_load_from_GOT_p returns true.
1379 (ix86_print_operand_address_as): Also support UNSPEC_GOT if
1380 ix86_force_load_from_GOT_p returns true.
1381 (ix86_expand_move): Generate UNSPEC_GOT in 32-bit mode to load
1382 the external function address via the GOT slot.
1383 (ix86_nopic_noplt_attribute_p): Check both TARGET_64BIT and
1384 HAVE_AS_IX86_GOT32X before returning false.
1385 (ix86_output_call_insn): Generate "%!jmp/call\t*%p0@GOT" in
1386 32-bit mode if ix86_nopic_noplt_attribute_p returns true.
1388 2016-06-23 Eric Botcazou <ebotcazou@adacore.com>
1390 * tree-inline.c (remap_decl): Preserve DECL_ORIGINAL_TYPE invariant.
1392 2016-06-23 Andi Kleen <ak@linux.intel.com>
1394 * Makefile.in: Regenerate.
1395 * doc/install.texi: Document autoprofiledbootstrap.
1397 2016-06-23 Andi Kleen <ak@linux.intel.com>
1399 * config/i386/gcc-auto-profile: New file.
1401 2016-06-23 Martin Liska <mliska@suse.cz>
1404 * predict.c (predict_loops): Revert the hunk that was removed
1407 2016-06-23 Jakub Sejdak <jakub.sejdak@phoesys.com>
1409 * config.gcc: Add support for arm*-*-phoenix* targets.
1410 * config/arm/t-phoenix: New.
1411 * config/phoenix.h: New.
1413 2016-06-23 Uros Bizjak <ubizjak@gmail.com>
1414 H.J. Lu <hongjiu.lu@intel.com>
1417 * config/i386/i386-protos.h (ix86_force_load_from_GOT_p): New.
1418 * config/i386/i386.c (ix86_force_load_from_GOT_p): New function.
1419 (ix86_legitimate_constant_p): Do not allow UNSPEC_GOTPCREL if
1420 ix86_force_load_from_GOT_p returns true.
1421 (ix86_legitimate_address_p): Allow UNSPEC_GOTPCREL if
1422 ix86_force_load_from_GOT_p returns true.
1423 (ix86_print_operand_address_as): Support UNSPEC_GOTPCREL if
1424 ix86_force_load_from_GOT_p returns true.
1425 (ix86_expand_move): Load the external function address via the
1426 GOT slot if ix86_force_load_from_GOT_p returns true.
1427 * config/i386/predicates.md (x86_64_immediate_operand): Return
1428 false for SYMBOL_REFs where ix86_force_load_from_GOT_p returns true.
1429 (x86_64_zext_immediate_operand): Ditto.
1431 2016-06-22 Uros Bizjak <ubizjak@gmail.com>
1433 * config/i386/i386.c (ix86_expand_move): Simplify SYMBOL_REF handling.
1435 2016-06-22 David Malcolm <dmalcolm@redhat.com>
1438 * diagnostic-core.h (pedwarn_at_rich_loc): New prototype.
1439 * diagnostic.c (pedwarn_at_rich_loc): New function.
1440 * spellcheck.h (best_match::best_match): Add a
1441 "best_distance_so_far" optional parameter.
1442 (best_match::set_best_so_far): New method.
1443 (best_match::get_best_distance): New accessor.
1444 (best_match::get_best_candidate_length): New accessor.
1446 2016-06-22 Nick Clifton <nickc@redhat.com>
1448 * dwarf2out.c (scompare_loc_descriptor): Use SCALAR_INT_MODE_P() in
1449 place of GET_MODE_CLASS() == MODE_INT, so that partial integer
1450 modes are accepted as well.
1451 (ucompare_loc_descriptor): Likewise.
1452 (minmax_loc_descriptor): Likewise.
1453 (clz_loc_descriptor): Likewise.
1454 (popcount_loc_descriptor): Likewise.
1455 (bswap_loc_descriptor): Likewise.
1456 (rotate_loc_descriptor): Likewise.
1457 (mem_loc_descriptor): Likewise.
1458 (loc_descriptor): Likewise.
1460 2016-06-22 David Malcolm <dmalcolm@redhat.com>
1462 * common.opt (fdiagnostics-parseable-fixits): New option.
1463 * diagnostic.c: Include "selftest.h".
1464 (print_escaped_string): New function.
1465 (print_parseable_fixits): New function.
1466 (diagnostic_report_diagnostic): Call print_parseable_fixits.
1467 (selftest::assert_print_escaped_string): New function.
1468 (ASSERT_PRINT_ESCAPED_STRING_STREQ): New macro.
1469 (selftest::test_print_escaped_string): New function.
1470 (selftest::test_print_parseable_fixits_none): New function.
1471 (selftest::test_print_parseable_fixits_insert): New function.
1472 (selftest::test_print_parseable_fixits_remove): New function.
1473 (selftest::test_print_parseable_fixits_replace): New function.
1474 (selftest::diagnostic_c_tests): New function.
1475 * diagnostic.h (struct diagnostic_context): Add field
1476 "parseable_fixits_p".
1477 * doc/invoke.texi (Diagnostic Message Formatting Options): Add
1478 -fdiagnostics-parseable-fixits.
1479 (-fdiagnostics-parseable-fixits): New option.
1480 * opts.c (common_handle_option): Handle
1481 -fdiagnostics-parseable-fixits.
1482 * selftest-run-tests.c (selftest::run_tests): Call
1483 selftest::diagnostic_c_tests.
1484 * selftest.h (selftest::diagnostic_c_tests): New prototype.
1486 2016-06-22 Ilya Enkovich <ilya.enkovich@intel.com>
1488 PR tree-optimization/71488
1489 * tree-vect-patterns.c (vect_recog_mask_conversion_pattern): Support
1490 comparison of boolean vectors.
1491 * tree-vect-stmts.c (vectorizable_comparison): Vectorize comparison
1492 of boolean vectors using bitwise operations.
1494 2016-06-22 Andreas Schwab <schwab@suse.de>
1496 * config/aarch64/aarch64-protos.h (aarch64_elf_asm_named_section):
1499 2016-06-22 Eric Botcazou <ebotcazou@adacore.com>
1501 * function.c (assign_parm_setup_reg): Prevent sharing in another case.
1503 2016-06-22 Bernd Edlinger <bernd.edlinger@hotmail.de>
1505 * config/i386/i386.c (print_reg): Emit an error message on attempt to
1508 2016-06-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1510 * config/arm/arm.c (arm_cortex_a73_tune): New struct.
1511 * config/arm/arm-cores.def (cortex-a73): New entry.
1512 (cortex-a73.cortex-a35): Likewise.
1513 (cortex-a73.cortex-a53): Likewise.
1514 * config/arm/arm-tables.opt: Regenerate.
1515 * config/arm/arm-tune.md: Likewise.
1516 * config/arm/bpabi.h (BE8_LINK_SPEC): Handle mcpu=cortex-a73,
1517 mcpu=cortex-a73.cortex-a35 and mcpu=cortex-a73.cortex-a53.
1518 * config/arm/t-aprofile: Handle mcpu=cortex-a73,
1519 mcpu=cortex-a73.cortex-a35 and mcpu=cortex-a73.cortex-a53.
1520 * doc/invoke.texi (ARM Options): Document cortex-a73,
1521 cortex-a73.cortex-a35 and cortex-a73.cortex-a53.
1523 2016-06-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1525 * config/aarch64/aarch64.c (cortexa73_tunings): New struct.
1526 * config/aarch64/aarch64-cores.def (cortex-a73): New entry.
1527 (cortex-a73.cortex-a35): Likewise.
1528 (cortex-a73.cortex-a53): Likewise.
1529 * config/aarch64/aarch64-tune.md: Regenerate.
1530 * doc/invoke.texi (AArch64 Options): Document cortex-a73,
1531 cortex-a73.cortex-a35 and cortex-a73.cortex-a53 arguments to
1534 2016-06-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1536 * configure.ac (gcc_cv_as_compress_debug): Remove
1537 --compress-debug-sections as extra as switch.
1538 Handle gas --compress-debug-sections=type.
1539 (gcc_cv_ld_compess_debug): Remove bogus ld_date check.
1540 Handle gld --compress-debug-sections=type.
1541 * configure: Regenerate.
1543 2016-06-21 Andrew Burgess <andrew.burgess@embecosm.com>
1545 * bb-reorder.c (pass_partition_blocks::gate): Update comment.
1547 2016-06-21 John David Anglin <danglin@gcc.gnu.org>
1549 * gcov-tool.c (profile_rewrite): Use int64_t instead of long long.
1550 (do_rewrite): likewise.
1552 2016-06-21 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
1554 * common/config/mep/mep-common.c: Remove.
1555 * config.gcc: Remove mep-* support.
1556 * config/mep/constraints.md: Remove.
1557 * config/mep/default.h: Remove.
1558 * config/mep/intrinsics.h: Remove.
1559 * config/mep/intrinsics.md: Remove.
1560 * config/mep/ivc2-template.h: Remove.
1561 * config/mep/mep-c5.cpu: Remove.
1562 * config/mep/mep-core.cpu: Remove.
1563 * config/mep/mep-default.cpu: Remove.
1564 * config/mep/mep-ext-cop.cpu: Remove.
1565 * config/mep/mep-intrin.h: Remove.
1566 * config/mep/mep-ivc2.cpu: Remove.
1567 * config/mep/mep-pragma.c: Remove.
1568 * config/mep/mep-protos.h: Remove.
1569 * config/mep/mep.c: Remove.
1570 * config/mep/mep.cpu: Remove.
1571 * config/mep/mep.h: Remove.
1572 * config/mep/mep.md: Remove.
1573 * config/mep/mep.opt: Remove.
1574 * config/mep/predicates.md: Remove.
1575 * config/mep/t-mep: Remove.
1576 * doc/install.texi: Remove mep-* documentation.
1577 * doc/md.texi: Likewise.
1579 2016-06-21 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
1581 * config.gcc: Remove support for avr-rtems.
1582 * config/avr/gen-avr-mmcu-specs.c: Likewise.
1583 * config/avr/rtems.h: Remove.
1584 * config/avr/t-rtems: Remove.
1586 2016-06-21 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
1588 * config.gcc: Remove m32r-rtems support.
1589 * config/m32r/rtems.h: Remove.
1591 2016-06-21 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
1593 * config.gcc: Remove h8300-rtems support.
1594 * config/h8300/rtems.h: Remove.
1595 * config/h8300/t-rtems: Remove.
1597 2016-06-21 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
1599 * config.gcc: Remove support for knetbsd.
1600 * configure.ac: Likewise.
1601 * config/i386/knetbsd-gnu.h: Remove. * config/i386/knetbsd-gnu64.h: Remove.
1602 * config/knetbsd-gnu.h: Remove.
1603 * configure: Regenerate.
1605 2016-06-21 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
1607 * config.gcc: Remove support for openbsd 2 and 3.
1608 * config/openbsd-oldgas.h: Remove.
1610 2016-06-21 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
1612 * config.gcc: Remove interix support.
1613 * config/i386/i386-interix.h: Remove.
1614 * config/i386/interix.opt: Remove.
1615 * config/i386/t-interix: Remove.
1616 * configure: Regenerate.
1617 * configure.ac: Remove interix support.
1618 * doc/install.texi: Remove interix documentation.
1620 2016-06-21 Kelvin Nilsen <kelvin@gcc.gnu.org>
1622 * config/rs6000/rs6000.h: Add conditional preprocessing directives
1623 to disable Power9-specific compiler features if HAVE_AS_POWER9 is
1626 2016-06-21 Eric Botcazou <ebotcazou@adacore.com>
1628 * tree.c (verify_type_variant): Skip TYPE_SIZE and TYPE_SIZE_UNIT if
1629 they are both PLACEHOLDER_EXPRs.
1631 2016-06-21 Michael Meissner <meissner@linux.vnet.ibm.com>
1633 * stor-layout.c (layout_type): Move setting complex MODE to
1634 layout_type, instead of setting it ahead of time by the caller.
1635 * tree.c (build_complex_type): Likewise.
1637 2016-06-21 Martin Liska <mliska@suse.cz>
1639 * predict.c (force_edge_cold): Replace imposisble with
1642 2016-06-21 Ilya Verbin <ilya.verbin@intel.com>
1644 * config/i386/i386.c (ix86_emit_swsqrtsf): Emit vrsqrt28ps.
1645 * config/i386/sse.md (define_expand "rsqrtv16sf2"): New.
1647 2016-06-21 Ilya Verbin <ilya.verbin@intel.com>
1649 * config/i386/i386.c (ix86_emit_swdivsf): Emit vrcp28ps.
1651 2016-06-21 H.J. Lu <hongjiu.lu@intel.com>
1652 Ilya Enkovich <ilya.enkovich@intel.com>
1655 * config/i386/i386.c (timode_scalar_chain::fix_debug_reg_uses):
1656 New member function to convert V1TImode register to SUBREG
1657 TImode in debug insn.
1658 (timode_scalar_chain::convert_insn): Call fix_debug_reg_uses
1659 after changing register mode to V1TImode.
1661 2016-06-21 Virendra Pathak <virendra.pathak@broadcom.com>
1663 * config/aarch64/aarch64-cores.def (vulcan): New core.
1664 * config/aarch64/aarch64-tune.md: Regenerate.
1665 * doc/invoke.texi: Document vulcan as an available option.
1667 2016-06-21 Eric Botcazou <ebotcazou@adacore.com>
1669 * cse.c (canon_asm_operands): New function extracted from...
1670 (canonicalize_insn): ...here. Call it to canonicalize an ASM_OPERANDS
1671 either standalone or member of a PARALLEL.
1673 2016-06-21 Georg-Johann Lay <avr@gjlay.de>
1676 * config/avr/gen-avr-mmcu-specs.c (print_mcu):
1677 [*link_data_start]: Wrap -Tdata into %{!Tdata:...}.
1678 [*link_text_start]: Wrap -Ttext into %{!Ttext:...}.
1680 2016-06-21 Georg-Johann Lay <avr@gjlay.de>
1683 * config/avr/avr.md (movqi): Only handle loading subreg:qi of
1684 constant addresses if can_create_pseudo_p.
1686 2016-06-21 Jakub Jelinek <jakub@redhat.com>
1688 PR tree-optimization/71588
1689 * tree-ssa-strlen.c (valid_builtin_call): New function.
1690 (adjust_last_stmt, handle_builtin_memset, strlen_optimize_stmt): Use
1693 2016-06-20 Jakub Jelinek <jakub@redhat.com>
1696 * tree-ssa-uninit.c (warn_uninit): If EXPR and VAR are NULL,
1697 see if T isn't anonymous SSA_NAME with COMPLEX_EXPR created
1698 for conversion of scalar user var to complex type and use the
1699 underlying SSA_NAME_VAR in that case. If EXPR is still NULL,
1702 PR rtl-optimization/71591
1703 * toplev.c (toplev::run_self_tests): If no_backend, complain and
1704 don't run any tests.
1706 2016-06-20 Hans-Peter Nilsson <hp@axis.com>
1709 * config/cris/cris.c (cris_asm_output_mi_thunk): Add missing "ba"
1710 delay-slot "nop" for PIC with CRIS v32. Also add missing leading
1711 space for PIC with non-v32 and the common non-PIC "jump".
1713 2016-06-20 Jakub Jelinek <jakub@redhat.com>
1716 * config/i386/i386.c (ix86_fp_cmp_code_to_pcmp_immediate): Fix up
1717 returned values and add UN*/LTGT/*ORDERED cases with values matching
1718 D operand modifier on vcmp for AVX.
1720 2016-06-20 Wilco Dijkstra <wdijkstr@arm.com>
1722 * config/aarch64/aarch64.opt
1723 (mpc-relative-literal-loads): Rename internal option name.
1724 * config/aarch64/aarch64.c
1725 (aarch64_nopcrelative_literal_loads): Rename to
1726 aarch64_pcrelative_literal_loads.
1727 (aarch64_expand_mov_immediate): Likewise.
1728 (aarch64_secondary_reload): Likewise.
1729 (aarch64_can_use_per_function_literal_pools_p): Likewise.
1730 (aarch64_override_options_after_change_1): Rename and simplify logic.
1731 (aarch64_classify_symbol): Merge large model checks into switch,
1732 remove pc-relative load check.
1734 2016-06-20 James Greenhalgh <james.greenhalgh@arm.com>
1736 * config/arm/aarch-cost-tables.h (cortexa53_extra_costs): Make FP
1737 costs relative to the cost of a register move.
1739 2016-06-20 James Greenhalgh <james.greenhalgh@arm.com>
1741 * config/aarch64/arm_neon.h (vcvt_n_f64_s64): New.
1742 (vcvt_n_f64_u64): Likewise.
1743 (vcvt_n_s64_f64): Likewise.
1744 (vcvt_n_u64_f64): Likewise.
1745 (vcvt_f64_s64): Likewise.
1746 (vrecpe_f64): Likewise.
1747 (vcvt_f64_u64): Likewise.
1748 (vrecps_f64): Likewise.
1750 2016-06-20 James Greenhalgh <james.greenhalgh@arm.com>
1752 * config/aarch64/aarch64.md
1753 (<FCVT_F2FIXED:fcvt_fixed_insn><GPF:mode>3): Add attributes to
1755 (<FCVT_FIXED2F:fcvt_fixed_insn><GPI:mode>3): Likewise. Correct
1757 * config/aarch64/aarch64-builtins.c
1758 (aarch64_types_binop_uss_qualifiers): Delete.
1759 (TYPES_BINOP_USS): Likewise.
1760 (aarch64_types_binop_sus_qualifiers): Likewise.
1761 (TYPES_BINOP_SUS): Likewise.
1762 (aarch64_types_fcvt_from_unsigned_qualifiers): New.
1763 (TYPES_FCVTIMM_SUS): Likewise.
1764 * config/aarch64/aarch64-simd-builtins.def (scvtf): Use SHIFTIMM
1766 (ucvtf): Use FCVTIMM_SUS rather than BINOP_SUS.
1767 (fcvtzs): Use SHIFTIMM rather than BINOP.
1768 (fcvtzu): Use SHIFTIMM_USS rather than BINOP_USS.
1770 2016-06-20 James Greenhalgh <james.greenhalgh@arm.com>
1772 * config/arm/aarch-cost-tables.h (cortexa57_extra_costs): Make FP
1773 costs relative to the cost of a register move.
1775 2016-06-20 Wilco Dijkstra <wdijkstr@arm.com>
1777 * config/aarch64/aarch64.c (aarch64_modes_tieable_p):
1778 Allow scalar/single vector modes to be tieable.
1780 2016-06-20 Wilco Dijkstra <wdijkstr@arm.com>
1782 * config/arm/cortex-a57.md (cortex_a57_fp_cpys): Add fcsel.
1784 2016-06-20 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1786 * params.def (PARAM_ALIGN_LOOP_ITERATIONS): Use "alignment" instead of
1788 * tree.h (TYPE_ALIGN): Likewise.
1790 2016-06-20 Georg-Johann Lay <avr@gjlay.de>
1793 * config/avr/avr.md (movqi): Handle loading subreg:qi (const).
1795 2016-06-20 Georg-Johann Lay <avr@gjlay.de>
1797 * config/avr/avr.c (avr_print_operand): Fix "format not a string
1798 literal" build warnings.
1799 (avr_print_operand_address): Dito.
1801 2016-06-19 David Edelsohn <dje.gcc@gmail.com>
1804 * config/rs6000/aix51.h (TARGET_EXTRA_BUILTINS): Define as 0.
1805 * config/rs6000/aix43.h (TARGET_EXTRA_BUILTINS): Same.
1807 2016-06-18 John David Anglin <danglin@gcc.gnu.org>
1809 * config/pa/pa.h (TARGET_LONG_PIC_PCREL_CALL): Remove.
1811 2016-06-18 Eric Botcazou <ebotcazou@adacore.com>
1814 * reload1.c (reload): Pass 0 to finish_spills when called because
1815 update_eliminables_and_spill returns true and remove did_spill.
1816 (finish_spills): Adjust comment and document GLOBAL parameter.
1818 2016-06-17 DJ Delorie <dj@redhat.com>
1821 * config/rl78/rl78-expand.c (umulqihi3): Enable for G10.
1822 * config/rl78/rl78-virtual.c (umulhi3_shift_virt): Likewise.
1823 (umulqihi3_virt): Likewise.
1824 * config/rl78/rl78-real.c (umulhi3_shift_real): Likewise.
1825 (umulqihi3_real): Likewise.
1827 2016-06-17 Martin Liska <mliska@suse.cz>
1829 * tree-ssa-reassoc.c (transform_add_to_multiply): Use auto_vec.
1831 2016-06-17 Martin Liska <mliska@suse.cz>
1833 * predict.def: PRED_LOOP_EXIT from 92 to 85.
1835 2016-06-17 James Greenhalgh <james.greenhalgh@arm.com>
1837 * config/arm/arm_neon.h (vadd_f32): replace __FAST_MATH with
1839 (vaddq_f32): Likewise.
1840 (vmul_f32): Likewise.
1841 (vmulq_f32): Likewise.
1842 (vsub_f32): Likewise.
1843 (vsubq_f32): Likewise.
1845 2016-06-17 Bin Cheng <bin.cheng@arm.com>
1847 PR tree-optimization/71347
1848 * tree-ssa-loop-ivopts.c (determine_group_iv_cost_address): Compute
1849 cost for all uses in group.
1851 2016-06-17 Bin Cheng <bin.cheng@arm.com>
1853 * tree-vect-loop.c (vect_create_epilog_for_reduction): Only
1854 insert gimple seq if it's not empty.
1856 2016-06-17 Bin Cheng <bin.cheng@arm.com>
1858 * tree-vectorizer.h (struct dr_with_seg_len): Remove class
1860 * tree-vect-data-refs.c (operator ==): Handle DR_OFFSET directly,
1862 (comp_dr_with_seg_len_pair): Ditto.
1863 (vect_prune_runtime_alias_test_list): Ditto. Also Canonicalize
1864 struct dr_with_seg_len_pair against DR_OFFSET.
1865 * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks): Handle
1868 2016-06-17 Szabolcs Nagy <szabolcs.nagy@arm.com>
1870 * config/aarch64/geniterators.sh: Handle parenthesised conditions.
1872 2016-06-16 John David Anglin <danglin@gcc.gnu.org>
1874 * config/pa/pa.c (pa_output_pic_pcrel_sequence): New.
1875 (pa_output_lbranch): Use pa_output_pic_pcrel_sequence.
1876 (pa_output_millicode_call): Likewise.
1877 (pa_output_call): Likewise.
1878 (pa_output_indirect_call): Likewise.
1879 (pa_asm_output_mi_thunk): Likewise.
1881 2016-06-16 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1883 * doc/invoke.texi (x86 Options): Fix -mno-fp-ret-in-387 typo.
1885 2016-06-16 Martin Liska <mliska@suse.cz>
1887 * predict.c (combine_predictions_for_insn): When we find a first
1888 match predictor, we should consider just predictors with
1889 PRED_FLAG_FIRST_MATCH. Print either first match (if any) or
1890 DS theory predictor.
1891 (combine_predictions_for_bb): Likewise.
1893 2016-06-16 Jakub Jelinek <jakub@redhat.com>
1895 * gimplify.c (gimplify_scan_omp_clauses): Handle COMPONENT_REFs
1896 with base of reference to struct.
1898 2016-06-16 Uros Bizjak <ubizjak@gmail.com>
1900 * doc/invoke.texi (x86 Options): Document -m80387 and -mhard-float.
1902 2016-06-16 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
1905 * config/avr/avr.c (avr_asm_init_sections): Remove setup of
1906 progmem_swtable_section.
1907 (progmem_swtable_section): Remove.
1908 (avr_asm_function_rodata_section): Remove.
1909 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1910 * config/avr/avr.h (JUMP_TABLES_IN_TEXT_SECTION: Define to 1.
1912 2016-06-16 Jocelyn Mayer <l_indien@magic.fr>
1914 * config/i386/driver-i386.c (host_detect_local_cpu): Set
1915 PROCESSOR_K8 for signature_CENTAUR_ebx with has_longmode.
1916 <case PROCESSOR_K8>: Pass nano-3000, nano, eden-x2 or k8 for
1917 signature_CENTAUR_ebx.
1918 * config/i386/i386.c (ix86_option_override_internal): Add
1919 definitions for VIA c7, samuel-2, nehemiah, esther, eden-x2, eden-x4,
1920 nano, nano-1000, nano-2000, nano-3000, nano-x2 and nano-x4.
1921 * doc/invoke.texi (x86 Options): Document new VIA -march entries.
1923 2016-06-16 Martin Liska <mliska@suse.cz>
1925 * predict.def: Add fortran loop preheader predictor.
1926 * gimple-fold.c (gimple_fold_stmt_to_constant_1): Properly
1927 fold IFN_BUILTIN_EXPECT with a known constant argument.
1929 2016-06-16 Martin Liska <mliska@suse.cz>
1931 * predict.def: Add 'Fortran' to display text of all
1932 PRED_FORTRAN_* predictors.
1934 2016-06-16 Uros Bizjak <ubizjak@gmail.com>
1937 * config/ia64/ia64.c (enum ia64_builtins) [IA64_BUILTIN_NANQ]: New.
1938 [IA64_BUILTIN_NANSQ]: Ditto.
1939 (ia64_fold_builtin): New function.
1940 (TARGET_FOLD_BUILTIN): New define.
1941 (ia64_init_builtins) Declare const_string_type node.
1942 Add __builtin_nanq and __builtin_nansq builtin functions.
1943 (ia64_expand_builtin): Handle IA64_BUILTIN_NANQ and IA64_BUILTIN_NANSQ.
1945 2016-06-16 Nick Clifton <nickc@redhat.com>
1947 * config/msp430/msp430-opts.h (msp430_hwmult_types): Add
1948 MSP430_HWMULT_ prefix to enum values.
1949 (msp430_regions): Add MSP430_REGION_ prefix to enum values.
1950 * config/msp430/msp430.c: Update use of enum values.
1951 * config/msp430/msp430.md: Likewise.
1952 * config/msp430/msp430.opt: Likewise.
1954 2016-06-16 Jan Hubicka <hubicka@ucw.cz>
1956 * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Fix estimation
1957 of comparsions in the last iteration.
1959 2016-06-16 Claudiu Zissulescu <claziss@synopsys.com>
1960 Joern Rennecke <joern.rennecke@embecosm.com>
1962 * config/arc/arc.c (arc_print_operand_address): Handle pc-relative
1964 (arc_needs_pcl_p): Add GOTOFFPC.
1965 (arc_legitimate_pic_addr_p): Likewise.
1966 (arc_output_pic_addr_const): Likewise.
1967 (arc_legitimize_pic_address): Generate a pc-relative address using
1969 (arc_output_libcall): Use @pcl syntax.
1970 (arc_delegitimize_address_0): Delegitimize ARC_UNSPEC_GOTOFFPC.
1971 * config/arc/arc.md ("unspec"): Add ARC_UNSPEC_GOTOFFPC.
1972 (*movsi_insn): Use @pcl syntax.
1973 (doloop_begin_i): Likewise.
1975 2016-06-16 Martin Liska <mliska@suse.cz>
1977 * predict.def: Define a new predictor.
1979 2016-06-16 Claudiu Zissulescu <claziss@synopsys.com>
1981 * config/arc/arc.opt (mtp-regno): Update text.
1983 2016-06-16 Renlin Li <renlin.li@arm.com>
1985 * config/aarch64/aarch64.c (aarch64_legitimize_address): Fix a typo.
1987 2016-06-16 Jakub Jelinek <jakub@redhat.com>
1990 * config/i386/i386.md (setcc + movzbl peephole2): Use reg_set_p.
1991 (setcc + and peephole2): Likewise.
1993 PR rtl-optimization/71532
1994 * cse.c (cse_insn): For const/pure calls, invalidate argument passing
1997 2016-06-15 Michael Meissner <meissner@linux.vnet.ibm.com>
1999 * config/rs6000/vsx.md (VSINT_84): Add DImode to enable loading
2000 DImode constants with XXSPLTIB in vector registers.
2001 (vsx_extract_<mode>, V2DImode/V2DFmode): Combine both
2002 vsx_extract_<mode>_internal{1,2} into a single insn that handles
2003 direct move (both ISA 2.07 and ISA 3.0 versions), and optimizes
2004 extraction of the element at the top of the register as a scalar
2006 (vsx_extract_<mode>_internal1): Likewise.
2007 (vsx_extract_<mode>_internal2): Likewise.
2008 * config/rs6000/constraints.md (wi constraint): Remove a comment
2009 about DImode not being allowed in Altivec registers.
2010 (wB constraint): New constraint for constants that can be
2011 generated in Altivec registers with VSPLTISW/VUPKHSW.
2012 * config/rs6000/predicates.md (xxspltib_constant_split): Update
2014 (xxspltib_constant_nosplit): Likewise.
2015 * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Add
2016 support for -mupper-regs-di to enable DImode to go into Altivec
2018 (POWERPC_MASKS): Likewise.
2019 (power7 cpu): Likewise.
2020 * config/rs6000/rs6000.opt (-mupper-regs-di): Likewise.
2021 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Add support
2022 for DImode being allowed in Altivec registers. Update wi/wj
2023 constraints. Set scalar_in_vmx_p flag.
2024 (rs6000_option_override_internal): Add checks for -mupper-regs-di.
2025 (xxspltib_constant_p): Allow CONST_INT's with VOIDmode. Don't
2026 return true if we could use VSPLTISW/VUPKHSW instead of XXSPLTIB.
2027 (rs6000_opt_masks): Add -mupper-regs-di.
2028 * config/rs6000/rs6000.md (lfiwax): Update clobbers that don't use
2029 direct move to use wi and not wj.
2031 (floatsi<mode>2_lfiwax_mem): Combine alternatives into a single
2033 (floatunssi<mode>2_lfiwzx_mem): Likewise.
2034 (fix_trunc<mode>di2_fctidz): Change second alternative to allow
2035 any VSX register, instead of just Altivec registers, to allow
2036 either operand to be an Altivec register or both.
2037 (fixuns_trunc<mode>di2_fctiduz): Likewise.
2038 (movdi_internal32): Add support for -mupper-regs-di. Add support
2039 to load constants via XXSPLTIB or VSPLTISW. Add spacing to allow
2040 the alternatives and attributes to be lined up to be easier to
2042 (movdi_internal64): Likewise.
2043 (64-bit DImode splitters): Change predicates to only split loading
2044 up GPR registers. Add splits for using XXSPLTIB or VSPLTISW to
2045 load constants in ISA 3.0 or ISA 2.07 respectively.
2046 * doc/invoke.texi (RS/6000 and PowerPC Options): Document
2047 -mupper-regs-di. Update -mupper-regs-df and -mupper-regs-sf to
2048 mention -mcpu=power9 sets these options.
2049 * doc/md.texi (PowerPC and IBM RS6000 constraints): Document the
2052 2016-06-15 Pitchumani Sivanupandi <pitchumani.s@atmel.com>
2055 * config/avr/avr.c (avr_set_current_function): Warn misspelled
2056 interrupt/ signal handler if -Wmisspelled-isr flag is enabled.
2057 * config/avr/avr.opt (Wmisspelled-isr): New warning flag. Enabled
2058 by default to warn misspelled interrupt/ signal handler.
2059 * doc/invoke.texi (AVR Options): Document it. Update description
2060 for -nodevicelib option.
2062 2016-06-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2064 * config/aarch64/aarch64-simd.md (aarch64_<sur>shll_n<mode>): Clean
2065 up parentheses. Use GET_MODE_UNIT_BITSIZE.
2066 (aarch64_<sur>shll2_n<mode>): Likewise.
2068 2016-06-15 Ilya Enkovich <ilya.enkovich@intel.com>
2071 * ipa-chkp.c (chkp_build_instrumented_fndecl): Fix
2072 DECL_CONTEXT for copied arguments.
2074 2016-06-15 Alan Hayward <alan.hayward@arm.com>
2076 PR tree-optimization/71483
2077 * tree-vect-loop.c (vectorizable_live_operation): Pick correct index
2080 2016-06-15 Martin Liska <mliska@suse.cz>
2082 * predict.c (tree_predict_by_opcode): Call predict_edge_def
2083 instead of predict_edge w/o a probability.
2085 2016-06-15 Alan Hayward <alan.hayward@arm.com>
2087 PR tree-optimization/71439
2088 * tree-vect-loop.c (vect_analyze_loop_operations): Additional check for
2091 2016-06-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2093 * ifcvt.c (bb_ok_for_noce_multiple_sets): Allow simple lowpart
2094 register subregs in SET_SRC.
2096 2016-06-15 Richard Biener <rguenther@suse.de>
2098 * tree-vect-stmts.c (vectorizable_store): Remove strided grouped
2101 2016-06-15 Richard Biener <rguenther@suse.de>
2103 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence): Do
2104 not consider dependences between accesses that belong to the
2106 (vect_analyze_data_ref_dependences): Do not analyze read-read
2107 or self-dependences.
2109 2016-06-14 David Malcolm <dmalcolm@redhat.com>
2111 * spellcheck-tree.c: Include spellcheck-tree.h rather than
2113 (find_closest_identifier): Reimplement in terms of
2114 best_match<tree,tree>.
2115 * spellcheck-tree.h: New file.
2116 * spellcheck.c (struct edit_distance_traits<const char *>): New
2118 (find_closest_string): Reimplement in terms of
2119 best_match<const char *, const char *>.
2120 * spellcheck.h (levenshtein_distance): Move prototype of tree-based
2121 overload to spellcheck-tree.h.
2122 (find_closest_identifier): Likewise.
2123 (struct edit_distance_traits<T>): New template.
2124 (class best_match): New class.
2126 2016-06-14 David Malcolm <dmalcolm@redhat.com>
2128 * selftest-run-tests.c (selftest::run_tests): Call
2129 selftest::spellcheck_tree_c_tests.
2130 * selftest.h (selftest::spellcheck_tree_c_tests): New decl.
2131 * spellcheck-tree.c: Include selftest.h and stringpool.h.
2132 (selftest::test_find_closest_identifier): New function.
2133 (selftest::spellcheck_tree_c_tests): New function.
2134 * spellcheck.c (selftest::test_find_closest_string): Verify that
2135 the order of the vec does not affect the results for this case.
2136 (selftest::test_data): New array.
2137 (selftest::test_metric_conditions): New function.
2138 (selftest::spellcheck_c_tests): Add a test of case-comparison.
2139 Call selftest::test_metric_conditions.
2141 2016-06-14 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2143 * config/rs6000/rs6000-builtin.def (commentary): Typo.
2144 (BU_P9_MISC_1): Likewise.
2145 (BU_P9_64BIT_MISC_0): Likewise.
2146 (BU_P9_MISC_0): Likewise.
2148 2016-06-14 David Malcolm <dmalcolm@redhat.com>
2150 * gcc-rich-location.c
2151 (gcc_rich_location::add_fixit_misspelled_id): New method.
2152 * gcc-rich-location.h
2153 (gcc_rich_location::add_fixit_misspelled_id): Add decl.
2155 2016-06-14 Andreas Tobler <andreast@gcc.gnu.org>
2157 * config/arm/freebsd.h: Only enable unaligned access for armv6 on
2158 FreeBSD 11 and above.
2160 2016-06-14 Uros Bizjak <ubizjak@gmail.com>
2162 * config/i386/i386.md (signbittf2): Emit sse_movmskps for TARGET_SSE.
2164 2016-06-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2166 * expmed.h: Close parenthesis in "at your option" in copyright
2168 * lower-subreg.h: Likewise.
2170 2016-06-14 Richard Biener <rguenther@suse.de>
2173 * genmatch.c (expr::gen_transform): Use in_type for comparisons
2176 2015-06-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2178 * config/aarch64/aarch64.c (aarch64_mask_and_shift_for_ubfiz_p):
2180 (aarch64_rtx_costs): Use it. Rewrite CONST_INT_P (op1) case to handle
2182 * config/aarch64/aarch64-protos.h (aarch64_mask_and_shift_for_ubfiz_p):
2184 * config/aarch64/aarch64.md (*andim_ashift<mode>_bfiz): Replace
2185 matching condition with aarch64_mask_and_shift_for_ubfiz_p.
2187 2016-06-14 Richard Biener <rguenther@suse.de>
2189 PR tree-optimization/71522
2190 * tree-ssa.c (non_rewritable_lvalue_p): Do not rewrite non-float
2191 copying into float copying.
2193 2016-06-14 Jakub Jelinek <jakub@redhat.com>
2195 PR tree-optimization/71520
2196 * tree-ssa-tail-merge.c (find_duplicate): Handle labels.
2197 (replace_block_by): Move user labels from bb1 to bb2.
2199 2016-06-14 Richard Biener <rguenther@suse.de>
2203 * expr.h (get_bit_range): Declare.
2204 * expr.c (get_bit_range): Export.
2205 * fold-const.c (optimize_bit_field_compare): Use get_bit_range and
2206 word_mode again to constrain the bitfield access.
2208 2016-06-14 Richard Biener <rguenther@suse.de>
2210 PR tree-optimization/71521
2211 * tree-vrp.c (extract_range_from_binary_expr_1): Guard
2212 division int_const_binop against zero divisor.
2214 2016-06-13 Uros Bizjak <ubizjak@gmail.com>
2216 * config/i386/i386.md (signbittf2): New expander.
2217 * config/i386/sse.md (ptesttf2): New insn pattern.
2219 2016-06-13 David Malcolm <dmalcolm@redhat.com>
2222 * input.c (selftest::test_reading_source_line): Avoid reading from
2223 __FILE__ by creating a tempfile with known content and reading
2226 2016-06-13 David Malcolm <dmalcolm@redhat.com>
2228 * pretty-print.c (assert_pp_format_colored): Skip the test if
2230 (test_pp_format): Remove comment about GCC_COLORS.
2232 2016-06-13 David Malcolm <dmalcolm@redhat.com>
2234 * input.c (test_reading_source_line): Use SELFTEST_LOCATION.
2235 * pretty-print.c (assert_pp_format_va): Add location param and use
2236 it with ASSERT_STREQ_AT.
2237 (assert_pp_format): Add location param and pass it to
2238 assert_pp_format_va.
2239 (assert_pp_format_colored): Likewise.
2240 (ASSERT_PP_FORMAT_1): New.
2241 (ASSERT_PP_FORMAT_2): New.
2242 (ASSERT_PP_FORMAT_3): New.
2243 (test_pp_format): Provide SELFTEST_LOCATION throughout, either
2244 explicitly, or implicitly via the above macros.
2245 * selftest.c (selftest::pass): Use a selftest::location rather
2247 (selftest::fail): Likewise. Print the function name.
2248 (selftest::fail_formatted): Likewise.
2249 (selftest::assert_streq): Use a selftest::location rather than
2251 * selftest.h (selftest::location): New struct.
2252 (SELFTEST_LOCATION): New macro.
2253 (selftest::pass): Accept a const location & rather than file
2255 (selftest::fail): Likewise.
2256 (selftest::fail_formatted): Likewise.
2257 (selftest::assert_streq): Likewise.
2258 (ASSERT_TRUE): Update for above changes, using SELFTEST_LOCATION.
2259 (ASSERT_FALSE): Likewise.
2260 (ASSERT_EQ): Likewise.
2261 (ASSERT_NE): Likewise.
2262 (ASSERT_STREQ): Likewise.
2263 (ASSERT_PRED1): Likewise.
2264 (ASSERT_STREQ_AT): New macro.
2266 2016-06-13 David Malcolm <dmalcolm@redhat.com>
2268 * selftest.c (selftest::fail_formatted): New function.
2269 (selftest::assert_streq): New function.
2270 * selftest.h (selftests::fail_formatted): New decl.
2271 (selftest::assert_streq): New decl.
2272 (ASSERT_STREQ): Reimplement in terms of selftest::assert_streq.
2274 2016-06-13 Jeff Law <law@redhat.com>
2276 PR tree-optimization/71403
2277 * tree-ssa-threadbackward.c
2278 (convert_and_register_jump_thread_path): No longer accept reference
2279 to path. Do not pop items off the path anymore.
2280 (fsm_find_control_statement_thread_paths): Do not allow threading
2281 to a deeper loop nest. Pop the last item off the path here rather
2282 than in convert_and_register_jump_thread_path.
2284 2016-06-13 Evandro Menezes <e.menezes@samsung.com>
2285 Wilco Dijkstra <Wilco.Dijkstra@arm.com>
2287 [AArch64] Emit division using the Newton series
2289 * config/aarch64/aarch64-protos.h
2290 (cpu_approx_modes): Add new member "division".
2291 (aarch64_emit_approx_div): Declare new function.
2292 * config/aarch64/aarch64.c
2293 (generic_approx_modes): New member "division".
2294 (exynosm1_approx_modes): Likewise.
2295 (xgene1_approx_modes): Likewise.
2296 (aarch64_emit_approx_div): Define new function.
2297 * config/aarch64/aarch64.md ("div<mode>3"): New expansion.
2298 * config/aarch64/aarch64-simd.md ("div<mode>3"): Likewise.
2299 * config/aarch64/aarch64.opt (-mlow-precision-div): Add new option.
2300 * doc/invoke.texi (-mlow-precision-div): Describe new option.
2302 2016-06-13 Evandro Menezes <e.menezes@samsung.com>
2303 Wilco Dijkstra <wilco.dijkstra@arm.com>
2305 [AArch64] Emit square root using the Newton series
2307 * config/aarch64/aarch64-protos.h
2308 (aarch64_emit_approx_rsqrt): Replace with new function
2309 "aarch64_emit_approx_sqrt".
2310 (cpu_approx_modes): New member "sqrt".
2311 * config/aarch64/aarch64.c
2312 (generic_approx_modes): New member "sqrt".
2313 (exynosm1_approx_modes): Likewise.
2314 (xgene1_approx_modes): Likewise.
2315 (aarch64_emit_approx_rsqrt): Replace with new function
2316 "aarch64_emit_approx_sqrt".
2317 (aarch64_override_options_after_change_1): Handle new option.
2318 * config/aarch64/aarch64-simd.md
2319 (rsqrt<mode>2): Use new function instead.
2320 (sqrt<mode>2): New expansion and insn definitions.
2321 * config/aarch64/aarch64.md: Likewise.
2322 * config/aarch64/aarch64.opt
2323 (mlow-precision-sqrt): Add new option description.
2324 * doc/invoke.texi (mlow-precision-sqrt): Likewise.
2326 2016-06-13 Evandro Menezes <e.menezes@samsung.com>
2328 [AArch64] Add more choices for the reciprocal square root approximation
2330 Allow a target to prefer such operation depending on the operation mode.
2332 * config/aarch64/aarch64-protos.h
2333 (AARCH64_APPROX_MODE): New macro.
2334 (AARCH64_APPROX_{NONE,ALL}): Likewise.
2335 (cpu_approx_modes): New structure.
2336 (tune_params): New member "approx_modes".
2337 * config/aarch64/aarch64-tuning-flags.def
2338 (AARCH64_EXTRA_TUNE_APPROX_RSQRT): Remove macro.
2339 * config/aarch64/aarch64.c
2340 (generic_approx_modes): New core "cpu_approx_modes" structure.
2341 (exynosm1_approx_modes): Likewise.
2342 (xgene1_approx_modes): Likewise.
2343 (generic_tunings): New member "approx_modes".
2344 (cortexa35_tunings): Likewise.
2345 (cortexa53_tunings): Likewise.
2346 (cortexa57_tunings): Likewise.
2347 (cortexa72_tunings): Likewise.
2348 (exynosm1_tunings): Likewise.
2349 (thunderx_tunings): Likewise.
2350 (xgene1_tunings): Likewise.
2351 (use_rsqrt_p): New argument for the mode and use new member from
2353 (aarch64_builtin_reciprocal): Devise mode from builtin.
2354 (aarch64_optab_supported_p): New argument for the mode.
2355 * doc/invoke.texi (-mlow-precision-recip-sqrt): Reword description.
2357 2016-06-13 Kelvin Nilsen <kelvin@gcc.gnu.org>
2359 * config/rs6000/rs6000.h (RS6000_BTM_COMMON): Add the
2360 RS6000_BTM_MODULO flag into the set of flags that are considered
2361 to be part of the common configuration.
2363 2016-06-13 Kelvin Nilsen <kelvin@gcc.gnu.org>
2365 * config/rs6000/altivec.h (vec_absd): New macro for vector absolute
2366 difference unsigned.
2367 (vec_absdb): New macro for vector absolute difference unsigned
2369 (vec_absdh): New macro for vector absolute difference unsigned
2371 (vec_absdw): New macro for vector absolute difference unsigned word.
2372 * config/rs6000/altivec.md (UNSPEC_VADU): New value.
2373 (vadu<mode>3): New insn.
2374 (*p9_vadu<mode>3): New insn.
2375 * config/rs6000/rs6000-builtin.def (vadub): New built-in
2377 (vaduh): New built-in definition.
2378 (vaduw): New built-in definition.
2379 (vadu): New overloaded built-in definition.
2380 (vadub): New overloaded built-in definition.
2381 (vaduh): New overloaded built-in definition.
2382 (vaduw): New overloaded built-in definition.
2383 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
2384 overloaded vector absolute difference unsigned functions.
2385 * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
2386 the ISA 3.0 vector absolute difference unsigned built-in functions.
2388 2016-06-13 Eric Botcazou <ebotcazou@adacore.com>
2390 * tree-ssa-sccvn.c (vn_reference_lookup_3): Use a uniform test and
2391 update shared_lookup_references only once after changing operands.
2393 2016-06-13 Thomas Schwinge <thomas@codesourcery.com>
2396 * tree-nested.c (convert_nonlocal_omp_clauses)
2397 (convert_local_omp_clauses): Document missing OMP_CLAUSE_*.
2399 * tree-cfg.c (edge_to_cases_cleanup): Fix CASE_CHAIN typo.
2400 * tree.def (CASE_LABEL_EXPR): Likewise.
2402 2016-06-13 Bernd Edlinger <bernd.edlinger@hotmail.de>
2405 * input.c (test_builtins): Fix an assertion.
2407 2016-06-13 Uros Bizjak <ubizjak@gmail.com>
2409 * config/i386/i386.md (paritydi2): Use ix86_expand_setcc.
2412 (isinf<mode>2): Ditto.
2414 2016-06-13 Uros Bizjak <ubizjak@gmail.com>
2416 * ggc-tests.c (test_finalization): Only test need_finalization_p
2417 for GCC_VERSION >= 4003.
2419 2016-06-13 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2421 * config/s390/vecintrin.h: Fix file description in comment.
2423 2016-06-13 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2425 * config/s390/s390-builtin-types.def: Change builtin type naming
2426 scheme to match builtin-types.def.
2428 2016-06-13 Marc Glisse <marc.glisse@inria.fr>
2430 * fold-const.c (optimize_minmax_comparison): Remove.
2431 (fold_comparison): Remove call to the above.
2432 * match.pd (MIN (X, Y) == X, MIN (X, 5) == 0, MIN (X, C1) < C2):
2433 New transformations.
2435 2016-06-13 Alan Hayward <alan.hayward@arm.com>
2437 PR tree-optimization/71416
2438 * tree-vect-loop.c (vectorizable_live_operation): Let worklist have
2441 2016-06-13 Martin Liska <mliska@suse.cz>
2443 * predict.c (enum predictor_reason): Prefix enum with REASON_.
2444 (combine_predictions_for_insn): Likewise.
2445 (prune_predictions_for_bb): Likewise.
2446 (combine_predictions_for_bb): Likewise.
2448 2016-06-13 Richard Biener <rguenther@suse.de>
2450 PR tree-optimization/71505
2451 * tree-vect-data-refs.c (vect_analyze_data_ref_accesses): Make
2452 assert match comment.
2454 2016-06-13 Marek Polacek <polacek@redhat.com>
2457 * gimplify.c (maybe_warn_switch_unreachable): Factored out of
2458 gimplify_switch_expr.
2459 (warn_switch_unreachable_r): New function.
2461 2016-06-13 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2464 * config/s390/s390.c (s390_expand_builtin): Increase MAX_ARGS by
2467 2016-06-13 Richard Biener <rguenther@suse.de>
2470 * fold-const.c (fold_unary_loc): Preserve alignment when
2471 folding a VIEW_CONVERT_EXPR into a MEM_REF.
2473 2016-06-13 Martin Liska <mliska@suse.cz>
2476 * toplev.c (process_options): Do not enable -fcheck-pointer-bounds
2477 w/ -fsanitize=bounds.
2479 2016-06-12 Uros Bizjak <ubizjak@gmail.com>
2481 * config/i386/i386.c (ix86_init_builtins): Calculate
2482 FLOAT128_FTYPE_CONST_STRING function type only once.
2483 * doc/extend.texi (x86 Built-in Functions): Update text, __float128
2484 built-in functions are available for x86-32 and x86-64 targets.
2486 2016-06-12 Uros Bizjak <ubizjak@gmail.com>
2489 * config/i386/i386.i386-builtin-types.def (CONST_STRING):
2491 (FLOAT128_FTYPE_CONST_STRING): New function type.
2492 * config/i386/i386.c (enum ix86_builtins) [IX86_BUILTIN_NANQ]: New.
2493 [IX86_BUILTIN_NANSQ]: Ditto.
2494 (ix86_fold_builtin): Handle IX86_BUILTIN_NANQ and IX86_BUILTIN_NANSQ.
2495 (ix86_init_builtin_types): Declare const_string_type_node.
2496 (ix86_init_builtins): Add __builtin_nanq and __builtin_nansq
2498 (ix86_expand_builtin): Handle IX86_BUILTIN_NANQ and IX86_BUILTIN_NANSQ.
2499 * doc/extend.texi (x86 Built-in Functions): Document
2500 __builtin_nanq and __builtin_nansq.
2502 2016-06-11 Jiong Wang <jiong.wang@arm.com>
2505 * config/arm/arm-protos.h (arm_attr_length_pop_multi): New declaration.
2506 * config/arm/arm.c (arm_attr_length_pop_multi): New function to return
2507 length for pop patterns.
2508 (arm_attr_length_push_multi): Update comments.
2509 * config/arm/arm.md (*load_multiple_with_writeback): Set "length"
2511 (*pop_multiple_with_writeback_and_return): Likewise.
2512 (*pop_multiple_with_return): Likewise.
2514 2016-06-11 Segher Boessenkool <segher@kernel.crashing.org>
2517 * fold-const.c (optimize_bit_field_compare): Don't try to use
2518 word_mode unconditionally for reading the bit field, look at
2519 DECL_BIT_FIELD_REPRESENTATIVE instead.
2521 2016-06-11 Kugan Vivekanandarajah <kuganv@linaro.org>
2524 * tree-ssa-reassoc.c (reassociate_bb): Remove (-1) from ops list for
2525 vector integer type.
2527 2016-06-10 Jakub Jelinek <jakub@redhat.com>
2530 * tree-nested.c (convert_nonlocal_reference_stmt): For GIMPLE_GOTO
2531 without LABEL_DECL, set *handled_ops_p to false instead of true.
2533 2016-06-10 Martin Sebor <msebor@redhat.com>
2536 * builtin-attrs.def (ATTR_NOTHROW_NONNULL_LEAF_LIST): New macro.
2537 (ATTR_NOTHROW_NONNULL_TYPEGENERIC_LEAF): Same.
2538 * builtins.def (BUILT_IN_SADD_OVERFLOW, BUILT_IN_SADDL_OVERFLOW): Use
2540 (BUILT_IN_SADDLL_OVERFLOW, BUILT_IN_SSUB_OVERFLOW): Same.
2541 (BUILT_IN_SSUBL_OVERFLOW, BUILT_IN_SSUBLL_OVERFLOW): Same.
2542 (BUILT_IN_SMUL_OVERFLOW, BUILT_IN_SMULL_OVERFLOW): Same.
2543 (BUILT_IN_SMULLL_OVERFLOW, BUILT_IN_UADD_OVERFLOW): Same.
2544 (BUILT_IN_UADDL_OVERFLOW, BUILT_IN_UADDLL_OVERFLOW): Same.
2545 (BUILT_IN_USUB_OVERFLOW, BUILT_IN_USUBL_OVERFLOW): Same.
2546 (BUILT_IN_USUBLL_OVERFLOW, BUILT_IN_UMUL_OVERFLOW): Same.
2547 (BUILT_IN_UMULL_OVERFLOW, BUILT_IN_UMULLL_OVERFLOW): Same.
2549 2016-06-10 Bernd Edlinger <bernd.edlinger@hotmail.de>
2551 * config/arm/arm.h (pool_vector_label,
2552 return_used_this_function): Remove.
2554 2016-06-10 Jeff Law <law@redhat.com>
2556 PR tree-optimization/71335
2557 * tree-ssa-threadbackward.c (profitable_jump_thread_path): Filter out
2558 zero length paths here.
2559 (convert_and_register_jump_thread_path): Remove hacks related to
2560 duplicated blocks in the jump thread path.
2561 (fsm_find_control_statement_thread_paths): Avoid putting the same
2562 block on the thread path twice, but ensure the thread path is
2563 unchanged from the caller's point of view.
2565 2016-06-10 Jan Hubicka <hubicka@ucw.cz>
2567 * predict.c (predict_loops): Remove PRED_LOOP_BRANCH.
2568 * predict.def (PRED_LOOP_BRANCH): Remove.
2570 2016-06-10 David Malcolm <dmalcolm@redhat.com>
2572 * Makefile.in (OBJS): Add ggc-tests.o.
2573 (GTFILES): Add ggc-tests.c.
2574 * ggc-tests.c: New file.
2575 * selftest-run-tests.c (selftest::run_tests): Call
2576 selftest::ggc_tests_c_tests.
2577 * selftest.h (selftest::ggc_tests_c_tests): New prototype.
2579 2016-06-10 Alexander Monakov <amonakov@ispras.ru>
2581 * match.pd (-1 / B < A): Use :c to avoid pattern duplication.
2583 2016-06-10 Maxim Ostapenko <m.ostapenko@samsung.com>
2586 * varasm.c (place_block_symbol): Adjust alignment for asan protected
2587 STRING_CSTs even if TREE_CONSTANT_POOL_ADDRESS_P.
2589 2016-06-10 Jan Hubicka <hubicka@ucw.cz>
2591 * profile.c: Include cfgloop.h.
2592 (branch_prob): Compute estimated number of iterations.
2593 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop): Do not
2594 recompute estimate number of iterations from profile.
2596 2016-06-10 Bernd Edlinger <bernd.edlinger@hotmail.de>
2599 * reg-stack.c (check_asm_stack_operands): Explicit input arguments
2600 must be grouped on top of stack. Don't force early clobber
2601 on ordinary reg outputs.
2603 2016-06-10 Richard Biener <rguenther@suse.de>
2605 * targhooks.c (default_builtin_vectorization_cost): Adjust
2608 2016-06-10 Richard Biener <rguenther@suse.de>
2610 * gimple-fold.c (gimple_fold_builtin_memory_op): Make sure
2611 to fold the RHS to a constant if possible.
2613 2016-06-10 Thomas Schwinge <thomas@codesourcery.com>
2616 * tree-nested.c (convert_nonlocal_omp_clauses)
2617 (convert_local_omp_clauses): Handle OMP_CLAUSE_ASYNC,
2618 OMP_CLAUSE_WAIT, OMP_CLAUSE_INDEPENDENT, OMP_CLAUSE_AUTO,
2619 OMP_CLAUSE__CACHE_, OMP_CLAUSE_TILE.
2621 * gimplify.c (gimplify_adjust_omp_clauses): Discard
2623 * omp-low.c (scan_sharing_clauses): Don't expect OMP_CLAUSE_TILE.
2625 * omp-low.c (scan_sharing_clauses): Don't expect
2628 2016-06-10 Alan Hayward <alan.hayward@arm.com>
2630 PR tree-optimization/71407
2631 PR tree-optimization/71416
2632 * tree-vect-loop.c (vectorizable_live_operation): Use vectype for
2635 2016-06-10 Richard Biener <rguenther@suse.de>
2638 * cfgloop.c (alloc_loop): Initialize nb_iterations_likely_upper_bound.
2640 2016-06-09 Eric Botcazou <ebotcazou@adacore.com>
2642 * df-problems.c (df_note_bb_compute): Guard use of DF_INSN_INFO_GET.
2644 2016-06-09 Vladimir Makarov <vmakarov@redhat.com>
2645 Jiong Wang <jiong.wang@arm.com>
2647 PR rtl-optimization/70751
2648 * lra-constraints.c (process_alt_operands): Recognize Non-pseudo
2649 spilled into memory.
2651 2016-06-09 Jonathan Yong <10walls@gmail.com>
2654 2015-09-21 Jonathan Yong <10walls@gmail.com>
2656 * config/i386/cygwin.h (STARTFILE_SPEC): Explicitly search
2657 sysroot/usr/lib/32api for additional win32 libraries,
2658 fixes failing Cygwin bootstrapping.
2660 2016-06-09 Marcin Baczyński <marbacz@gmail.com>
2662 * diagnostic.h (diagnostic_line_cutoff, diagnostic_flush_buffer):
2665 2016-06-09 David Malcolm <dmalcolm@redhat.com>
2668 * pretty-print.c (pp_indent): Specify that %p is printed in a
2669 host-dependent manner.
2670 (test_pp_format): Remove the test for %p.
2672 2016-06-09 Maciej W. Rozycki <macro@imgtec.com>
2674 * config/mips/mips.c (mips_output_jump): Fix formatting.
2676 2016-06-09 Richard Biener <rguenther@suse.de>
2678 PR tree-optimization/71462
2679 * tree-ssa-loop-manip.c (find_uses_to_rename): Guard against
2682 2016-06-09 Martin Liska <mliska@suse.cz>
2684 * predict.c (dump_prediction): Add new argument.
2685 (enum predictor_reason): New enum.
2686 (struct predictor_hash): New struct.
2687 (predictor_hash::hash): New function.
2688 (predictor_hash::equal): Likewise.
2689 (not_removed_prediction_p): New function.
2690 (prune_predictions_for_bb): Likewise.
2691 (combine_predictions_for_bb): Prune predictions.
2693 2016-06-09 Martin Liska <mliska@suse.cz>
2695 * predict.c (filter_predictions): New function.
2696 (remove_predictions_associated_with_edge): Use the filter
2698 (equal_edge_p): New function.
2700 2016-06-09 Stefan Bruens <stefan.bruens@rwth-aachen.de>
2702 * doc/invoke.texi (ARM Options): Use lexicographical ordering.
2703 Correct usage of @samp vs @option, add @samp where appropriate.
2704 Add -march={armv6k,armv6z,arm6zk}, remove -march=ep9312.
2705 Add armv6s-m and document it, as it is no official ARM name.
2707 2016-06-09 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2709 * ifcvt.c (struct noce_if_info): Add transform_name field.
2710 (noce_try_move): Set if_info->transform_name to the function name.
2711 (noce_try_ifelse_collapse): Likewise.
2712 (noce_try_store_flag): Likewise.
2713 (noce_try_inverse_constants): Likewise.
2714 (noce_try_store_flag_constants): Likewise.
2715 (noce_try_addcc): Likewise.
2716 (noce_try_store_flag_mask): Likewise.
2717 (noce_try_cmove): Likewise.
2718 (noce_try_cmove_arith): Likewise.
2719 (noce_try_minmax): Likewise.
2720 (noce_try_abs): Likewise.
2721 (noce_try_sign_mask): Likewise.
2722 (noce_try_bitop): Likewise.
2723 (noce_convert_multiple_sets): Likewise.
2724 (noce_process_if_block): Print if_info->transform_name to
2725 dump_file if transformation succeeded.
2727 2016-06-09 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2729 * config/arm/cortex-a57.md (cortex_a57_alu):
2732 2016-06-08 Martin Sebor <msebor@redhat.com>
2733 Jakub Jelinek <jakub@redhat.com>
2737 * builtins.def (BUILT_IN_ADD_OVERFLOW_P, BUILT_IN_SUB_OVERFLOW_P,
2738 BUILT_IN_MUL_OVERFLOW_P): New builtins.
2739 * builtins.c: Include gimple-fold.h.
2740 (fold_builtin_arith_overflow): Handle
2741 BUILT_IN_{ADD,SUB,MUL}_OVERFLOW_P.
2742 (fold_builtin_3): Likewise.
2743 * doc/extend.texi (Integer Overflow Builtins): Document
2744 __builtin_{add,sub,mul}_overflow_p.
2746 2016-06-08 Jose E. Marchesi <jose.marchesi@oracle.com>
2748 * config/sparc/driver-sparc.c (cpu_names): Fix the entry for the
2749 SPARC-M7 and add an entry for SPARC-S7 cpus (Sonoma).
2751 2016-06-08 Alan Lawrence <alan.lawrence@arm.com>
2753 * config/aarch64/aarch64.c (aarch64_function_arg_alignment):
2754 Rewrite, looking one level down for records and arrays.
2756 2016-06-08 David Malcolm <dmalcolm@redhat.com>
2758 * pretty-print.c: Include "selftest.h".
2759 (pp_format): Fix comment.
2760 (identifier_to_locale): Likewise.
2761 (selftest::test_basic_printing): New function.
2762 (selftest::assert_pp_format): New function.
2763 (selftest::test_pp_format): New function.
2764 (selftest::pretty_print_c_tests): New function.
2765 * selftest-run-tests.c (selftest::run_tests): Call
2766 selftest::pretty_print_c_tests.
2767 * selftest.h (pretty_print_c_tests): New declaration.
2769 2016-06-07 Jan Hubicka <hubicka@ucw.cz>
2771 * invoke.texi (max-loop-headers-insns): Document.
2772 * params.def (PARAM_MAX_LOOP_HEADER_INSNS): New.
2773 * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Update comment.
2774 (ch_base::copy_headers): Use PARAM_MAX_LOOP_HEADER_INSNS.
2776 2016-06-08 Richard Biener <rguenther@suse.de>
2778 * tree-vect-stmts.c (vectorizable_load): Remove restrictions
2779 on strided SLP loads and fall back to scalar loads in case
2780 we can't chunk them.
2782 2016-06-08 Richard Biener <rguenther@suse.de>
2784 PR tree-optimization/71452
2785 * tree-ssa.c (non_rewritable_lvalue_p): Make sure that the
2786 type used for the SSA rewrite has enough precision to cover
2787 the dynamic type of the location.
2789 2016-06-08 Jakub Jelinek <jakub@redhat.com>
2790 Richard Biener <rguenther@suse.de>
2793 * fold-const.c (fold_comparison): Handle CONSTANT_CLASS_P (base0)
2794 the same as DECL_P (base0) for indirect_base0. Use equality_code
2795 in one further place.
2797 2016-06-08 Richard Sandiford <richard.sandiford@arm.com>
2799 * expmed.c (store_bit_field_1): Do not restrict a multiword op0
2800 to one word if the field is known to overlap other words.
2801 (extract_bit_field_1): Likewise.
2802 (store_split_bit_field): Remove compensating code.
2803 (extract_split_bit_field): Likewise.
2805 2016-06-08 Bernd Schmidt <bschmidt@redhat.com>
2809 * tree-ssa-strlen.c (handle_builtin_memcmp): Ignore debug insns.
2811 2016-06-08 Jiong Wang <jiong.wang@arm.com>
2813 * config/aarch64/aarch64-builtins.def (faddp): New builtins for modes in
2815 * config/aarch64/aarch64-simd.md (aarch64_faddp<mode>): New.
2816 (arch64_addpv4sf): Delete.
2817 (reduc_plus_scal_v4sf): Use "gen_aarch64_faddpv4sf" instead of
2818 "gen_aarch64_addpv4sf".
2819 * config/aarch64/arm_neon.h (vpadd_f32): Remove inline assembly. Use
2821 (vpadds_f32): Likewise.
2822 (vpaddq_f32): Likewise.
2823 (vpaddq_f64): Likewise.
2825 2016-06-08 Jiong Wang <jiong.wang@arm.com>
2827 * config/aarch64/aarch64-builtins.def (fabd): New builtins for modes
2829 * config/aarch64/aarch64-simd.md (fabd<mode>_3): Extend modes from VDQF
2830 to VALLF. Rename to "fabd<mode>3".
2831 "*fabd_scalar<mode>3): Delete.
2832 * config/aarch64/arm_neon.h (vabds_f32): Remove inline assembly.
2834 (vabdd_f64): Likewise.
2835 (vabd_f32): Likewise.
2836 (vabd_f64): Likewise.
2837 (vabdq_f32): Likewise.
2838 (vabdq_f64): Likewise.
2840 2016-06-08 Jiong Wang <jiong.wang@arm.com>
2842 * config/aarch64/aarch64-builtins.def (rsqrts): New builtins for modes
2844 * config/aarch64/aarch64-simd.md (aarch64_rsqrts_<mode>3): Rename to
2845 "aarch64_rsqrts<mode>".
2846 * config/aarch64/aarch64.c (get_rsqrts_type): Update gen* name.
2847 * config/aarch64/arm_neon.h (vrsqrtss_f32): Remove inline assembly. Use
2849 (vrsqrtsd_f64): Likewise.
2850 (vrsqrts_f32): Likewise.
2851 (vrsqrts_f64): Likewise.
2852 (vrsqrtsq_f32): Likewise.
2853 (vrsqrtsq_f64): Likewise.
2855 2016-06-08 Jiong Wang <jiong.wang@arm.com>
2857 * config/aarch64/aarch64-builtins.def (rsqrte): New builtins for modes
2859 * config/aarch64/aarch64-simd.md (aarch64_rsqrte_<mode>2): Rename to
2860 "aarch64_rsqrte<mode>".
2861 * config/aarch64/aarch64.c (get_rsqrte_type): Update gen* name.
2862 * config/aarch64/arm_neon.h (vrsqrts_f32): Remove inline assembly. Use
2864 (vrsqrted_f64): Likewise.
2865 (vrsqrte_f32): Likewise.
2866 (vrsqrte_f64): Likewise.
2867 (vrsqrteq_f32): Likewise.
2868 (vrsqrteq_f64): Likewise.
2870 2016-06-08 Jiong Wang <jiong.wang@arm.com>
2872 * config/aarch64/aarch64-builtins.def (scvtf): Register vector modes.
2876 * config/aarch64/aarch64-simd.md
2877 (<FCVT_F2FIXED:fcvt_fixed_insn><VDQF:mode>3): New.
2878 (<FCVT_FIXED2F:fcvt_fixed_insn><VDQ_SDI:mode>3): Likewise.
2879 * config/aarch64/arm_neon.h (vcvt_n_f32_s32): Remove inline assembly.
2881 (vcvt_n_f32_u32): Likewise.
2882 (vcvt_n_s32_f32): Likewise.
2883 (vcvt_n_u32_f32): Likewise.
2884 (vcvtq_n_f32_s32): Likewise.
2885 (vcvtq_n_f32_u32): Likewise.
2886 (vcvtq_n_f64_s64): Likewise.
2887 (vcvtq_n_f64_u64): Likewise.
2888 (vcvtq_n_s32_f32): Likewise.
2889 (vcvtq_n_s64_f64): Likewise.
2890 (vcvtq_n_u32_f32): Likewise.
2891 (vcvtq_n_u64_f64): Likewise.
2892 * config/aarch64/iterators.md (VDQ_SDI): New mode iterator.
2893 (VSDQ_SDI): Likewise.
2894 (fcvt_target): Support V4DI, V4SI and V2SI.
2895 (FCVT_TARGET): Likewise.
2897 2016-06-08 Jiong Wang <jiong.wang@arm.com>
2899 * config/aarch64/aarch64-builtins.c (TYPES_BINOP_USS): New
2900 (TYPES_BINOP_SUS): Likewise.
2901 (aarch64_simd_builtin_data): Update include file name.
2902 (aarch64_builtins): Likewise.
2903 * config/aarch64/aarch64-simd-builtins.def (scvtf): New entries
2904 for conversion between scalar float-point and fixed-point.
2908 * config/aarch64/aarch64.md
2909 (<FCVT_F2FIXED:fcvt_fixed_insn><GPF:mode>3: New
2910 pattern for conversion between scalar float to fixed-pointer.
2911 (<FCVT_FIXED2F:fcvt_fixed_insn><GPI:mode>: Likewise.
2912 (UNSPEC_FCVTZS): New UNSPEC enumeration.
2913 (UNSPEC_FCVTZU): Likewise.
2914 (UNSPEC_SCVTF): Likewise.
2915 (UNSPEC_UCVTF): Likewise.
2916 * config/aarch64/arm_neon.h (vcvtd_n_f64_s64): Remove inline assembly.
2918 (vcvtd_n_f64_u64): Likewise.
2919 (vcvtd_n_s64_f64): Likewise.
2920 (vcvtd_n_u64_f64): Likewise.
2921 (vcvtd_n_f32_s32): Likewise.
2922 (vcvts_n_f32_u32): Likewise.
2923 (vcvtd_n_s32_f32): Likewise.
2924 (vcvts_n_u32_f32): Likewise.
2925 * config/aarch64/iterators.md (fcvt_target): Support integer to float
2927 (FCVT_TARGET): Likewise.
2928 (FCVT_FIXED2F): New iterator.
2929 (FCVT_F2FIXED): Likewise.
2930 (fcvt_fixed_insn): New define_int_attr.
2932 2016-06-07 Jan Hubicka <hubicka@ucw.cz>
2934 * predict.c (pass_strip_predict_hints::execute): Cleanup CFG if
2935 some statements was removed.
2937 2016-06-08 Alan Hayward <alan.hayward@arm.com>
2939 * tree-vect-data-refs.c (vect_analyze_data_refs): Remove debug newline.
2940 * tree-vect-loop-manip.c (slpeel_make_loop_iterate_ntimes): likewise.
2941 (vect_can_advance_ivs_p): likewise.
2942 (vect_update_ivs_after_vectorizer): likewise.
2943 * tree-vect-loop.c (vect_determine_vectorization_factor): likewise.
2944 (vect_analyze_scalar_cycles_1): likewise.
2945 (vect_analyze_loop_operations): likewise.
2946 (report_vect_op): likewise.
2947 (vect_is_slp_reduction): likewise.
2948 (vect_is_simple_reduction): likewise.
2949 (get_initial_def_for_induction): likewise.
2950 (vect_transform_loop): likewise.
2951 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): likewise.
2952 (vect_recog_sad_pattern): likewise.
2953 (vect_recog_widen_sum_pattern): likewise.
2954 (vect_recog_widening_pattern): likewise.
2955 (vect_recog_divmod_pattern): likewise.
2956 * tree-vect-slp.c (vect-build-slp_tree_1): likewise.
2957 (vect_analyze_slp_instance): likewise.
2958 (vect_transform_slp_perm_load): likewise.
2959 (vect_schedule_slp_instance): likewise.
2961 2016-06-07 Jan Hubicka <hubicka@ucw.cz>
2963 * predict.c (predict_iv_comparison): Mention that heuristics is broken.
2964 (return_prediction): PRED_CONST_RETURN predict return as not taken.
2965 * predict.def (PRED_CONTINUE): Change hitrate 50->67
2966 (PRED_LOOP_BRANCH): Document predictor as broken.
2967 (PRED_LOOP_EXIT): Change hitrate 91->92.
2968 (PRED_LOOP_EXTRA_EXIT): Change hitrate 91->83.
2969 (PRED_POINTER, PRED_TREE_POINTER): Change hitrate 85->70.
2970 (PRED_OPCODE_POSITIVE): Change hitrate 79->64.
2971 (PRED_OPCODE_NONEQUAL): Change hitrate 91->66.
2972 (PRED_TREE_OPCODE_POSITIVE): Change hitrate 73->64
2973 (PRED_TREE_OPCODE_NONEQUAL): Chnage hitrate 72->66
2974 (PRED_CALL): Chane hitrate 71->67.
2975 (PRED_TREE_EARLY_RETURN): Document issues, change hitrate 61->54.
2976 (PRED_GOTO): Document as unused right now.
2977 (PRED_CONST_RETURN): Change hitrate 67->69
2978 (PRED_NEGATIVE_RETURN): Change hitrate 96->98
2979 (PRED_NULL_RETURN): Change hitrate 91->90.
2980 (PRED_LOOP_IV_COMPARE_GUESS): Change hitrate to 98.
2981 (PRED_FORTRAN_FAIL_ALLOC): Change hitrate to 62; document issues.
2982 (PRED_FORTRAN_SIZE_ZERO): Change hitrate to 99.
2984 2016-06-07 Bill Seurer <seurer@linux.vnet.ibm.com>
2986 * config/rs6000/altivec.h: Add __builtin_vec_mul.
2987 * config/rs6000/rs6000-builtin.def (vec_mul): Change vec_mul to a
2988 special case Altivec builtin.
2989 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Remove
2990 VSX_BUILTIN_VEC_MUL (replaced with special case code).
2991 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
2992 code for ALTIVEC_BUILTIN_VEC_MUL.
2993 * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
2994 for __builtin_vec_mul.
2996 2016-06-07 Peter Bergner <bergner@vnet.ibm.com>
2998 * doc/invoke.texi (RS/6000 and PowerPC Options): Document -mhtm and
3001 2016-06-07 David Malcolm <dmalcolm@redhat.com>
3003 * spellcheck.c (selftest::test_find_closest_string): New function.
3004 (spellcheck_c_tests): Call the above.
3006 2016-06-07 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3008 * simplify-rtx.c (simplify_cond_clz_ctz): Delete 'mode' local variable.
3010 2016-06-07 Jakub Jelinek <jakub@redhat.com>
3012 * config/i386/sse.md (avx_vec_concat<mode>): Add v=v,vm and
3013 Yv=Yv,C alternatives.
3015 2016-06-07 Richard Biener <rguenther@suse.de>
3018 * common.opt (ffast-math): Make Optimization.
3020 2016-06-07 Simon Dardis <simon.dardis@imgtec.com>
3021 Prachi Godbole <prachi.godbole@imgtec.com>
3023 * config/mips/p5600.md (p5600_fpu_fadd): Remove checking for
3024 `fabs' and `fneg' type attributes.
3025 (p5600_fpu_fabs): Add `fmove' to the comment.
3027 2016-06-07 Jan Hubicka <hubicka@ucw.cz>
3029 * gimple.c: Include builtins.h
3030 (gimple_inexpensive_call_p): New function.
3031 * gimple.h (gimple_inexpensive_call_p): Declare.
3032 * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Use it.
3033 * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Likewise;
3036 2016-06-07 Paolo Carlini <paolo.carlini@oracle.com>
3038 * diagnostic.c (diagnostic_impl, diagnostic_n_impl): New.
3039 (inform, inform_at_rich_loc, inform_n, warning, warning_at,
3040 warning_at_rich_loc, warning_n, pedwarn, permerror,
3041 permerror_at_rich_loc, error, error_n, error_at, error_at_rich_loc,
3042 sorry, fatal_error, internal_error, internal_error_no_backtrace):
3045 2016-06-07 Richard Biener <rguenther@suse.de>
3047 PR tree-optimization/71428
3048 * tree-ssa-math-opts.c (perform_symbolic_merge): Properly distinguish
3049 BIT_FIELD_REF op vs. load.
3051 2016-06-07 Richard Biener <rguenther@suse.de>
3054 * match.pd ((X | ~Y) -> Y <= X): Properly invert the comparison
3057 2016-06-06 John David Anglin <danglin@gcc.gnu.org>
3059 * config/pa/pa.md (call): Generate indirect long calls to non-local
3060 functions on TARGET_64BIT.
3061 (call_value): Likewise.
3063 2016-06-06 John David Anglin <danglin@gcc.gnu.org>
3065 * config/pa/pa.md (call_val_reg_64bit): Remove "reg: DI " clobber from
3066 pattern and subsequent splitters.
3067 (call_val_reg_64bit_post_reload): Likewise.
3069 2016-06-07 Kugan Vivekanandarajah <kuganv@linaro.org>
3072 * tree-ssa-reassoc.c (zero_one_operation): Fix NEGATE_EXPR operand for
3073 propagate_op_to_single_use.
3075 2016-06-07 Kugan Vivekanandarajah <kuganv@linaro.org>
3078 * tree-ssa-reassoc.c (reassociate_bb): Set uid for negate stmt.
3080 2016-06-07 Uros Bizjak <ubizjak@gmail.com>
3082 * config/i386/i386.h (enum ix86_enitity): Add X86_DIRFLAG.
3083 (enum x86_dirflag_state): New enum.
3084 (NUM_MODES_FOR_MODE_SWITCHING): Add X86_DIRFLAG_ANY.
3085 (machine_function): Remove needs_cld.
3086 (ix86_current_function_needs_cld): Remove.
3087 * config/i386/i386.c (ix86_set_func_type): Set
3088 ix86_optimize_mode_switching[X86_DIRFLAG] to 1.
3089 (ix86_expand_prologue): Do not emit CLD here.
3090 (ix86_dirflag_mode_needed): New function.
3091 (ix86_dirflag_mode_entry): Ditto.
3092 (ix86_mode_needed): Handle X86_DIRFLAG entity.
3093 (ix86_mode_after): Ditto.
3094 (ix86_mode_entry): Ditto.
3095 (ix86_mode_exit): Ditto.
3096 (ix86_emit_mode_set): Ditto.
3097 * config/i386/i386.md (strmov_singleop): Set
3098 ix86_optimize_mode_switching[X86_DIRFLAG] to 1 for TARGET_CLD.
3099 Do not set ix86_current_function_needs_cld.
3101 (strset_singleop): Ditto.
3103 (cmpstrnqi_nz_1): Ditto.
3104 (cmpstrnqi_1): Ditto.
3105 (strlenqi_1): Ditto.
3107 2016-06-06 Jakub Jelinek <jakub@redhat.com>
3109 PR tree-optimization/71259
3110 * tree-vect-slp.c (vect_get_constant_vectors): For
3111 VECTOR_BOOLEAN_TYPE_P, return all ones constant instead of
3112 one for constant op, and use COND_EXPR for non-constant.
3114 2016-06-06 David Malcolm <dmalcolm@redhat.com>
3116 * Makefile.in (OBJS): Add function-tests.o,
3117 hash-map-tests.o, hash-set-tests.o, rtl-tests.o,
3118 selftest-run-tests.o.
3119 (OBJS-libcommon): Add selftest.o.
3120 (OBJS-libcommon-target): Add selftest.o.
3121 (all.internal): Add "selftest".
3122 (all.cross): Likewise.
3123 (selftest): New phony target.
3124 (s-selftest): New target.
3125 (selftest-gdb): New phony target.
3126 (COLLECT2_OBJS): Add selftest.o.
3127 * bitmap.c: Include "selftest.h".
3128 (selftest::test_gc_alloc): New function.
3129 (selftest::test_set_range): New function.
3130 (selftest::test_clear_bit_in_middle): New function.
3131 (selftest::test_copying): New function.
3132 (selftest::test_bitmap_single_bit_set_p): New function.
3133 (selftest::bitmap_c_tests): New function.
3134 * common.opt (fself-test): New.
3135 * diagnostic-show-locus.c: Include "selftest.h".
3136 (make_range): New function.
3137 (test_range_contains_point_for_single_point): New function.
3138 (test_range_contains_point_for_single_line): New function.
3139 (test_range_contains_point_for_multiple_lines): New function.
3140 (assert_eq): New function.
3141 (test_get_line_width_without_trailing_whitespace): New function.
3142 (selftest::diagnostic_show_locus_c_tests): New function.
3143 * et-forest.c: Include "selftest.h".
3144 (selftest::test_single_node): New function.
3145 (selftest::test_simple_tree): New function.
3146 (selftest::test_disconnected_nodes): New function.
3147 (selftest::et_forest_c_tests): New function.
3148 * fold-const.c: Include "selftest.h".
3149 (selftest::assert_binop_folds_to_const): New function.
3150 (selftest::assert_binop_folds_to_nonlvalue): New function.
3151 (selftest::test_arithmetic_folding): New function.
3152 (selftest::fold_const_c_tests): New function.
3153 * function-tests.c: New file.
3154 * gimple.c: Include "selftest.h".
3155 Include "gimple-pretty-print.h".
3156 (selftest::verify_gimple_pp): New function.
3157 (selftest::test_assign_single): New function.
3158 (selftest::test_assign_binop): New function.
3159 (selftest::test_nop_stmt): New function.
3160 (selftest::test_return_stmt): New function.
3161 (selftest::test_return_without_value): New function.
3162 (selftest::gimple_c_tests): New function.
3163 * hash-map-tests.c: New file.
3164 * hash-set-tests.c: New file.
3165 * input.c: Include "selftest.h".
3166 (selftest::assert_loceq): New function.
3167 (selftest::test_accessing_ordinary_linemaps): New function.
3168 (selftest::test_unknown_location): New function.
3169 (selftest::test_builtins): New function.
3170 (selftest::test_reading_source_line): New function.
3171 (selftest::input_c_tests): New function.
3172 * rtl-tests.c: New file.
3173 * selftest-run-tests.c: New file.
3174 * selftest.c: New file.
3175 * selftest.h: New file.
3176 * spellcheck.c: Include "selftest.h".
3177 (selftest::levenshtein_distance_unit_test_oneway): New function,
3178 adapted from testsuite/gcc.dg/plugin/levenshtein_plugin.c.
3179 (selftest::levenshtein_distance_unit_test): Likewise.
3180 (selftest::spellcheck_c_tests): Likewise.
3181 * toplev.c: Include selftest.h.
3182 (toplev::run_self_tests): New.
3183 (toplev::main): Handle -fself-test.
3184 * toplev.h (toplev::run_self_tests): New.
3185 * tree.c: Include "selftest.h".
3186 (selftest::test_integer_constants): New function.
3187 (selftest::test_identifiers): New function.
3188 (selftest::test_labels): New function.
3189 (selftest::tree_c_tests): New function.
3190 * tree-cfg.c: Include "selftest.h".
3191 (selftest::push_fndecl): New function.
3192 (selftest::test_linear_chain): New function.
3193 (selftest::test_diamond): New function.
3194 (selftest::test_fully_connected): New function.
3195 (selftest::tree_cfg_c_tests): New function.
3196 * vec.c: Include "selftest.h".
3197 (selftest::safe_push_range): New function.
3198 (selftest::test_quick_push): New function.
3199 (selftest::test_safe_push): New function.
3200 (selftest::test_truncate): New function.
3201 (selftest::test_safe_grow_cleared): New function.
3202 (selftest::test_pop): New function.
3203 (selftest::test_safe_insert): New function.
3204 (selftest::test_ordered_remove): New function.
3205 (selftest::test_unordered_remove): New function.
3206 (selftest::test_block_remove): New function.
3207 (selftest::reverse_cmp): New function.
3208 (selftest::test_qsort): New function.
3209 (selftest::vec_c_tests): New function.c.
3210 * wide-int.cc: Include selftest.h and wide-int-print.h.
3211 (selftest::from_int <wide_int>): New function.
3212 (selftest::from_int <offset_int>): New function.
3213 (selftest::from_int <widest_int>): New function.
3214 (selftest::assert_deceq): New function.
3215 (selftest::assert_hexeq): New function.
3216 (selftest::test_printing <VALUE_TYPE>): New function template.
3217 (selftest::test_ops <VALUE_TYPE>): New function template.
3218 (selftest::test_comparisons <VALUE_TYPE>): New function template.
3219 (selftest::run_all_wide_int_tests <VALUE_TYPE>): New function
3221 (selftest::wide_int_cc_tests): New function.
3223 2016-06-06 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3226 * ifcvt.c (noce_try_ifelse_collapse): New function.
3228 (noce_process_if_block): Call noce_try_ifelse_collapse.
3229 * simplify-rtx.c (simplify_cond_clz_ctz): New function.
3230 (simplify_ternary_operation): Use the above to simplify
3231 conditional CLZ/CTZ expressions.
3233 2016-06-06 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3236 * config/aarch64/aarch64.md (ctz<mode>2): Convert to
3237 define_insn_and_split.
3239 2016-06-06 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3242 * config/arm/arm.md (ctzsi2): Convert to define_insn_and_split.
3244 2016-06-06 Bernd Edlinger <bernd.edlinger@hotmail.de>
3247 * cfgexpand.c (expand_asm_loc): Remove handling for ADDR_EXPR.
3248 Implicitly clobber memory for basic asm with non-empty assembler
3249 string. Use targetm.md_asm_adjust also here.
3250 * compare-elim.c (arithmetic_flags_clobber_p): Use asm_noperands here.
3251 * final.c (final_scan_insn): Handle basic asm in PARALLEL block.
3252 * gimple.c (gimple_asm_clobbers_memory_p): Handle basic asm with
3253 non-empty assembler string.
3254 * ira.c (compute_regs_asm_clobbered): Use asm_noperands here.
3255 * recog.c (asm_noperands): Handle basic asm in PARALLEL block.
3256 (decode_asm_operands): Handle basic asm in PARALLEL block.
3257 (extract_insn): Handle basic asm in PARALLEL block.
3258 * doc/extend.texi: Mention new behavior of basic asm.
3259 * config/ia64/ia64 (rtx_needs_barrier): Handle ASM_INPUT here.
3260 * config/pa/pa.c (branch_to_delay_slot_p, branch_needs_nop_p,
3261 branch_needs_nop_p): Use asm_noperands.
3263 2016-06-06 Jose E. Marchesi <jose.marchesi@oracle.com>
3265 * config/sparc/sparc.md (cpu): Add niagara7 cpu type.
3266 Include the M7 SPARC DFA scheduler.
3267 New attribute v3pipe.
3268 Annotate insns with v3pipe where appropriate.
3269 Define cpu_feature vis4.
3270 Add lzd instruction type and set it on clzdi_sp64 and clzsi_sp64.
3271 Add (V8QI "8") to vbits.
3272 Add insns {add,sub}v8qi3
3273 Add insns ss{add,sub}v8qi3
3274 Add insns us{add,sub}{v8qi,v4hi}3
3275 Add insns {min,max}{v8qi,v4hi,v2si}3
3276 Add insns {minu,maxu}{v8qi,v4hi,v2si}3
3277 Add insns fpcmp{le,gt,ule,ug,ule,ugt}{8,16,32}_vis.
3278 * config/sparc/niagara4.md: Add a comment explaining the
3279 discrepancy between the documented latenty numbers and the
3281 * config/sparc/niagara7.md: New file.
3282 * configure.ac (HAVE_AS_SPARC5_VIS4): Define if the assembler
3283 supports SPARC5 and VIS 4.0 instructions.
3284 * configure: Regenerate.
3285 * config.in: Likewise.
3286 * config.gcc: niagara7 is a supported cpu in sparc*-*-* targets.
3287 * config/sparc/sol2.h (ASM_CPU32_DEFAUILT_SPEC): Set for
3288 TARGET_CPU_niagara7.
3289 (ASM_CPU64_DEFAULT_SPEC): Likewise.
3290 (CPP_CPU_SPEC): Handle niagara7.
3291 (ASM_CPU_SPEC): Likewise.
3292 * config/sparc/sparc-opts.h (processor_type): Add
3294 (mvis4): New option.
3295 * config/sparc/sparc.h (TARGET_CPU_niagara7): Define.
3296 (AS_NIAGARA7_FLAG): Define.
3297 (ASM_CPU64_DEFAULT_SPEC): Set for niagara7.
3298 (CPP_CPU64_DEFAULT_SPEC): Likewise.
3299 (CPP_CPU_SPEC): Handle niagara7.
3300 (ASM_CPU_SPEC): Likewise.
3301 * config/sparc/sparc.c (niagara7_costs): Define.
3302 (sparc_option_override): Handle niagara7 and adjust cache-related
3303 parameters with better values for niagara cpus. Also support VIS4.
3304 (sparc32_initialize_trampoline): Likewise.
3305 (sparc_use_sched_lookahead): Likewise.
3306 (sparc_issue_rate): Likewise.
3307 (sparc_register_move_cost): Likewise.
3308 (dump_target_flag_bits): Support VIS4.
3309 (sparc_vis_init_builtins): Likewise.
3310 (sparc_builtins): Likewise.
3311 * config/sparc/sparc-c.c (sparc_target_macros): Define __VIS__ for
3313 * config/sparc/driver-sparc.c (cpu_names): Add SPARC-M7 and
3315 * config/sparc/sparc.opt (sparc_processor_type): New value
3317 * config/sparc/visintrin.h (__attribute__): Prototypes for the
3319 * doc/invoke.texi (SPARC Options): Document -mcpu=niagara7 and
3321 * doc/extend.texi (SPARC VIS Built-in Functions): Document the
3324 2016-06-06 Jonathan Wakely <jwakely@redhat.com>
3326 * doc/sourcebuild.texi (Directives): Remove extra closing braces.
3328 2016-06-06 Richard Biener <rguenther@suse.de>
3330 PR tree-optimization/71398
3331 * tree-ssa-loop-ivcanon.c (unloop_loops): First unloop, then
3334 2016-06-05 James Bowman <james.bowman@ftdichip.com>
3336 * config/ft32/ft32.c (ft32_setup_incoming_varargs,
3337 ft32_expand_prolog, ft32_expand_epilogue):
3338 Handle pretend_args.
3339 * config/ft32/ft32.h: Remove OUTGOING_REG_PARM_STACK_SPACE.
3340 * config/ft32/ft32.md: Add pretend_returner.
3342 2016-06-06 Uros Bizjak <ubizjak@gmail.com>
3345 * config/i386/i386.c (ix86_avx256_split_vector_move_misalign):
3346 Copy op1 RTX to avoid invalid sharing.
3347 (ix86_expand_vector_move_misalign): Ditto.
3349 2016-06-05 John David Anglin <danglin@gcc.gnu.org>
3351 * expr.c (move_by_pieces_d::generate): Mark mode parameter with
3354 2016-06-05 Jan Hubicka <hubicka@ucw.cz>
3356 * predict.c (predicted_by_loop_heuristics_p): New function.
3357 (predict_iv_comparison): Use it.
3358 (predict_loops): Walk from innermost loops; do not predict edges
3359 leaving multiple loops multiple times; implement
3360 PRED_LOOP_ITERATIONS_MAX heuristics.
3361 * predict.def (PRED_LOOP_ITERATIONS_MAX): New predictor.
3363 2016-06-05 Jan Hubicka <hubicka@ucw.cz>
3365 * cfg.c (check_bb_profile): Do not report mismatched profiles when
3366 only edges out of BB are EH edges.
3368 2016-06-04 Martin Sebor <msebor@redhat.com>
3369 Marcin Baczyński <marbacz@gmail.com>
3372 * doc/invoke.texi (-Wreturn-type): Mention not warning on return with
3373 a void expression in a void function.
3375 2016-06-03 Jan Hubicka <hubicka@ucw.cz>
3377 * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Do not check
3378 aux; dump reasons of decisions.
3379 (should_duplicate_loop_header_p): Likewise.
3380 (do_while_loop_p): Likewise.
3381 (ch_base::copy_headers): Dump asi num insns duplicated.
3383 2016-06-04 Jakub Jelinek <jakub@redhat.com>
3385 PR tree-optimization/71405
3386 * tree-ssa.c (execute_update_addresses_taken): For clobber with
3387 incompatible type, build a new clobber with the right type instead
3388 of building a VIEW_CONVERT_EXPR around it.
3390 2016-06-04 Oleg Endo <olegendo@gcc.gnu.org>
3392 PR tree-optimization/52171
3393 * config/sh/sh.c (sh_use_by_pieces_infrastructure_p): Use
3394 by_pieces_ninsns instead of move_by_pieces_ninsns.
3396 2016-06-04 Oleg Endo <olegendo@gcc.gnu.org>
3398 * config/sh/sh.c (sh_print_operand_address): Don't use hardcoded 'r0'
3399 for reg+reg addressing mode.
3401 2016-06-03 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3403 * rs6000-c.c (c/c-tree.h): Add #include.
3404 (altivec_resolve_overloaded_builtin): Handle ARRAY_TYPE arguments
3405 in C++ when found in the base position of vec_ld or vec_st.
3407 2016-06-03 Jan Hubicka <hubicka@ucw.cz>
3409 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop): Avoid
3410 use of profile unless profile status is PROFILE_READ.
3411 * profile.c (compute_branch_probabilities): Set profile status
3412 only after reporting predictor hitrates.
3414 2016-06-03 Joseph Myers <joseph@codesourcery.com>
3418 * common.opt (ffp-int-builtin-inexact): New option.
3419 * doc/invoke.texi (-fno-fp-int-builtin-inexact): Document.
3420 * doc/md.texi (floor@var{m}2, btrunc@var{m}2, round@var{m}2)
3421 (ceil@var{m}2): Document dependence on this option.
3422 * ipa-inline-transform.c (inline_call): Handle
3423 flag_fp_int_builtin_inexact.
3424 * ipa-inline.c (can_inline_edge_p): Likewise.
3425 * config/i386/i386.md (rintxf2): Do not test
3426 flag_unsafe_math_optimizations.
3427 (rint<mode>2_frndint): New define_insn.
3428 (rint<mode>2): Do not test flag_unsafe_math_optimizations for 387
3429 or !flag_trapping_math for SSE. Just use gen_rint<mode>2_frndint
3430 for 387 instead of extending and truncating.
3431 (frndintxf2_<rounding>): Test flag_fp_int_builtin_inexact ||
3432 !flag_trapping_math instead of flag_unsafe_math_optimizations.
3433 Change to frndint<mode>2_<rounding>.
3434 (frndintxf2_<rounding>_i387): Likewise. Change to
3435 frndint<mode>2_<rounding>_i387.
3436 (<rounding_insn>xf2): Likewise.
3437 (<rounding_insn><mode>2): Test flag_fp_int_builtin_inexact ||
3438 !flag_trapping_math instead of flag_unsafe_math_optimizations for
3439 x87. Test TARGET_ROUND || !flag_trapping_math ||
3440 flag_fp_int_builtin_inexact instead of !flag_trapping_math for
3441 SSE. Use ROUND_NO_EXC in constant operand of
3442 gen_sse4_1_round<mode>2. Just use gen_frndint<mode>2_<rounding>
3443 for 387 instead of extending and truncating.
3445 2016-06-03 H.J. Lu <hongjiu.lu@intel.com>
3446 Julia Koval <julia.koval@intel.com>
3458 * config/i386/i386-protos.h (ix86_epilogue_uses): New prototype.
3459 * config/i386/i386.c (ix86_conditional_register_usage): Preserve
3460 all registers, except for function return registers if there are
3461 no caller-saved registers.
3462 (ix86_set_func_type): New function.
3463 (ix86_set_current_function): Call ix86_set_func_type to set
3464 no_caller_saved_registers and func_type. Call reinit_regs if
3465 caller-saved registers are changed. Don't allow MPX, SSE, MMX
3466 nor x87 instructions in interrupt handler nor function with
3467 no_caller_saved_registers attribute.
3468 (ix86_function_ok_for_sibcall): Return false if there are no
3469 caller-saved registers.
3470 (type_natural_mode): Don't warn ABI change for MMX in interrupt
3472 (ix86_function_arg_advance): Skip for callee in interrupt handler.
3473 (ix86_function_arg): Return special arguments in interrupt handler.
3474 (ix86_promote_function_mode): Promote pointer to word_mode only
3475 for normal functions.
3476 (ix86_can_use_return_insn_p): Don't use `ret' instruction in
3478 (ix86_epilogue_uses): New function.
3479 (ix86_hard_regno_scratch_ok): Likewise.
3480 (ix86_save_reg): Preserve all registers in interrupt handler
3481 after reload. Preserve all registers, except for function return
3482 registers, if there are no caller-saved registers after reload.
3483 (find_drap_reg): Always use callee-saved register if there are
3484 no caller-saved registers.
3485 (ix86_minimum_incoming_stack_boundary): Return MIN_STACK_BOUNDARY
3486 for interrupt handler.
3487 (ix86_expand_prologue): Don't allow DRAP in interrupt handler.
3488 Emit cld instruction if stringops are used in interrupt handler
3489 or interrupt handler isn't a leaf function.
3490 (ix86_expand_epilogue): Generate interrupt return for interrupt
3491 handler and pop the 'ERROR_CODE' off the stack before interrupt
3492 return in exception handler.
3493 (ix86_expand_call): Disallow calling interrupt handler directly.
3494 If there are no caller-saved registers, mark all registers that
3495 are clobbered by the call which returns as clobbered.
3496 (ix86_handle_no_caller_saved_registers_attribute): New function.
3497 (ix86_handle_interrupt_attribute): Likewise.
3498 (ix86_attribute_table): Add interrupt and no_caller_saved_registers
3500 (TARGET_HARD_REGNO_SCRATCH_OK): Likewise.
3501 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Use argument
3502 accumulation in interrupt function if stack may be realigned to
3504 (EPILOGUE_USES): New.
3505 (function_type): New enum.
3506 (machine_function): Add func_type and no_caller_saved_registers.
3507 * config/i386/i386.md (UNSPEC_INTERRUPT_RETURN): New.
3508 (interrupt_return): New pattern.
3509 * doc/extend.texi: Document x86 interrupt and
3510 no_caller_saved_registers attributes.
3512 2016-06-03 Bernd Schmidt <bschmidt@redhat.com>
3514 PR tree-optimization/52171
3515 * builtins.c (expand_cmpstrn_or_cmpmem): Delete, moved elsewhere.
3516 (expand_builtin_memcmp): New arg RESULT_EQ. All callers changed.
3517 Look for constant strings. Move some code to emit_block_cmp_hints
3519 * builtins.def (BUILT_IN_MEMCMP_EQ): New.
3520 * defaults.h (COMPARE_MAX_PIECES): New macro.
3521 * expr.c (move_by_pieces_d, store_by_pieces_d): Remove old structs.
3522 (move_by_pieces_1, store_by_pieces_1, store_by_pieces_2): Remvoe.
3523 (clear_by_pieces_1): Don't declare. Move definition before use.
3524 (can_do_by_pieces): New static function.
3525 (can_move_by_pieces): Use it. Return bool.
3526 (by_pieces_ninsns): Renamed from move_by_pieces_ninsns. New arg
3527 OP. All callers changed. Handle COMPARE_BY_PIECES.
3528 (class pieces_addr); New.
3529 (pieces_addr::pieces_addr, pieces_addr::decide_autoinc,
3530 pieces_addr::adjust, pieces_addr::increment_address,
3531 pieces_addr::maybe_predec, pieces_addr::maybe_postinc): New member
3533 (class op_by_pieces_d): New.
3534 (op_by_pieces_d::op_by_pieces_d, op_by_pieces_d::run): New member
3536 (class move_by_pieces_d, class compare_by_pieces_d,
3537 class store_by_pieces_d): New subclasses of op_by_pieces_d.
3538 (move_by_pieces_d::prepare_mode, move_by_pieces_d::generate,
3539 move_by_pieces_d::finish_endp, store_by_pieces_d::prepare_mode,
3540 store_by_pieces_d::generate, store_by_pieces_d::finish_endp,
3541 compare_by_pieces_d::generate, compare_by_pieces_d::prepare_mode,
3542 compare_by_pieces_d::finish_mode): New member functions.
3543 (compare_by_pieces, emit_block_cmp_via_cmpmem): New static
3545 (expand_cmpstrn_or_cmpmem): Moved here from builtins.c.
3546 (emit_block_cmp_hints): New function.
3547 (move_by_pieces, store_by_pieces, clear_by_pieces): Rewrite to just
3548 use the newly defined classes.
3549 * expr.h (by_pieces_constfn): New typedef.
3550 (can_store_by_pieces, store_by_pieces): Use it in arg declarations.
3551 (emit_block_cmp_hints, expand_cmpstrn_or_cmpmem): Declare.
3552 (move_by_pieces_ninsns): Don't declare.
3553 (can_move_by_pieces): Change return value to bool.
3554 * target.def (TARGET_USE_BY_PIECES_INFRASTRUCTURE_P): Update docs.
3555 (compare_by_pieces_branch_ratio): New hook.
3556 * target.h (enum by_pieces_operation): Add COMPARE_BY_PIECES.
3557 (by_pieces_ninsns): Declare.
3558 * targethooks.c (default_use_by_pieces_infrastructure_p): Handle
3560 (default_compare_by_pieces_branch_ratio): New function.
3561 * targhooks.h (default_compare_by_pieces_branch_ratio): Declare.
3562 * doc/tm.texi.in (STORE_MAX_PIECES, COMPARE_MAX_PIECES): Document.
3563 * doc/tm.texi: Regenerate.
3564 * tree-ssa-strlen.c: Include "builtins.h".
3565 (handle_builtin_memcmp): New static function.
3566 (strlen_optimize_stmt): Call it for BUILT_IN_MEMCMP.
3567 * tree.c (build_common_builtin_nodes): Create __builtin_memcmp_eq.
3569 2016-06-03 Alan Hayward <alan.hayward@arm.com>
3571 * tree-vect-stmts.c (vect_stmt_relevant_p): Do not vectorize non live
3572 relevant stmts which are simple and invariant.
3573 * tree-vect-loop.c (vectorizable_live_operation): Check relevance
3574 instead of simple and invariant
3576 2016-06-03 Alan Hayward <alan.hayward@arm.com>
3578 * tree-vect-loop.c (vect_analyze_loop_operations): Allow live stmts.
3579 (vectorizable_reduction): Check for new relevant state.
3580 (vectorizable_live_operation): vectorize live stmts using
3581 BIT_FIELD_REF. Remove special case for gimple assigns stmts.
3582 * tree-vect-stmts.c (is_simple_and_all_uses_invariant): New function.
3583 (vect_stmt_relevant_p): Check for stmts which are only used live.
3584 (process_use): Use of a stmt does not inherit it's live value.
3585 (vect_mark_stmts_to_be_vectorized): Simplify relevance inheritance.
3586 (vect_analyze_stmt): Check for new relevant state.
3587 * tree-vectorizer.h (vect_relevant): New entry for a stmt which is used
3588 outside the loop, but not inside it.
3590 2016-06-03 Alan Hayward <alan.hayward@arm.com>
3592 * tree-vectorizer.h (vect_get_vec_def_for_operand_1): New.
3593 * tree-vect-stmts.c (vect_get_vec_def_for_operand_1): New.
3594 (vect_get_vec_def_for_operand): Split out code.
3596 2016-06-03 Segher Boessenkool <segher@kernel.crashing.org>
3598 * config/rs6000/rs6000.md (define_peepholes for two mfcr's): Delete.
3600 2016-06-03 Alan Hayward <alan.hayward@arm.com>
3602 * tree-vect-stmts.c (vectorizable_call) Remove GOMP_SIMD_LANE code.
3604 2016-06-03 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3606 * config/arm/thumb1.md (*thumb1_mulsi3): Fix typos in comment.
3608 2016-06-03 Jakub Jelinek <jakub@redhat.com>
3611 * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): If redirecting
3612 to noreturn e->callee->decl that has void return type and void
3613 arguments, adjust gimple_call_fntype and remove lhs even if it had
3614 previously addressable type.
3616 2016-06-02 Jeff Law <law@redhat.com>
3618 PR tree-optimization/71328
3619 * tree-ssa-threadupdate.c (duplicate_thread_path): Fix off-by-one
3620 error when checking for a jump back onto the copied path.
3622 2016-06-02 David Malcolm <dmalcolm@redhat.com>
3624 * config/microblaze/microblaze.c (get_branch_target): Add return
3625 NULL_RTX for the non-CALL_P case.
3626 (insert_wic_for_ilb_runout): Remove unused local "wic_addr1".
3627 (insert_wic): Remove unused local "j".
3629 2016-06-02 Martin Liska <mliska@suse.cz>
3631 * predict.def: Fix typo in PRED_FORTRAN_FAIL_IO display name.
3633 2016-06-02 H.J. Lu <hongjiu.lu@intel.com>
3634 Julia Koval <julia.koval@intel.com>
3636 * function.c (assign_parm_setup_stack): Force source into a
3638 * target.def (function_incoming_arg): Update documentation to
3639 allow arbitrary address computation based on hard register.
3640 * doc/tm.texi: Regenerated.
3642 2016-06-02 Martin Liska <mliska@suse.cz>
3644 * predict.c (combine_predictions_for_bb): Fix first match in
3645 cases where a first predictor contains more than one occurence
3646 in list of predictors. Take the best value in such case.
3648 2016-06-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3650 PR rtl-optimization/71295
3651 * rtlanal.c (subreg_get_info): If taking a subreg at the requested
3652 offset would go over the size of the inner mode reject it.
3654 2016-06-02 Jakub Jelinek <jakub@redhat.com>
3656 * config/i386/sse.md (*vec_concatv4si): Use v=v,v instead of
3657 x=x,x and v=v,m instead of x=x,m.
3659 * config/i386/sse.md (*vec_concatv2si_sse4_1): Add avx512dq v=Yv,rm
3660 alternative. Change x=x,x alternative to v=Yv,Yv and x=rm,C
3661 alternative to v=rm,C.
3663 * config/i386/sse.md (*vec_concatv2di): Add x86_avx512dq v=Yv,rm
3664 alternative. Change x=xm,C alternative to v=vm,C, x=x,x alternative
3665 to v=Yv,Yv and x=x,m to v=v,m. Use maybe_evex prefix attribute
3666 instead of vex for the last two above mentioned alternatives.
3668 2016-06-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3671 * config/arm/arm.c (arm_output_multireg_pop): Guard "pop" on update.
3673 2016-06-02 Segher Boessenkool <segher@kernel.crashing.org>
3675 * config/rs6000/dfp.md (trunctddd2): Correct the "length" attribute.
3677 2016-06-01 David Malcolm <dmalcolm@redhat.com>
3679 * config/rl78/rl78.c (rl78_expand_prologue): Convert local
3680 from int to unsigned.
3682 2016-05-31 Michael Meissner <meissner@linux.vnet.ibm.com>
3684 * config/rs6000/vsx.md (vsx_splat_<mode>, V2DI/V2DF): Simplify
3685 alternatives, eliminating preferred register class. Add support
3686 for the MTVSRDD instruction in ISA 3.0.
3687 (vsx_splat_v4si_internal): Use splat_input_operand instead of
3688 reg_or_indexed_operand.
3689 (vsx_splat_v4sf_internal): Likewise.
3691 2016-05-31 Michael Meissner <meissner@linux.vnet.ibm.com>
3694 * config/rs6000/vsx.md (xxspltib_<mode>_nosplit): Add alternatives
3695 for loading up all 0's or all 1's.
3697 2016-06-01 Thomas Preud'homme <thomas.preudhomme@arm.com>
3699 * doc/sourcebuild.texi (arm_acq_rel): Document new effective target.
3701 2016-06-01 Eduard Sanou <dhole@openmailbox.org>
3703 * doc/cppenv.texi: Note that the `%s` in `date` is a non-standard
3705 * gcc.c (driver_handle_option): Call set_source_date_epoch_envvar.
3706 * gcc.c (set_source_date_epoch_envvar): New function, sets
3707 the SOURCE_DATE_EPOCH environment variable to the current time.
3709 2016-06-01 Eric Botcazou <ebotcazou@adacore.com>
3711 * tree-vect-loop.c (vect_determine_vectorization_factor): Also compute
3712 the factor for live Phi nodes.
3714 2016-06-01 Jan Hubicka <hubicka@ucw.cz>
3716 * loop-dolop.c (doloop_optimize): Us likely max iteration bound.
3717 * tree-parloops.c (parallelize_loops): likewise.
3718 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop,
3719 tree_unswitch_outer_loop): likewise.
3721 2016-06-01 Jakub Jelinek <jakub@redhat.com>
3724 * gimplify.c (gimplify_omp_for): Temporarily clear gimplify_omp_ctxp
3725 around creation of the temporary.
3727 2016-06-01 Richard Biener <rguenther@suse.de>
3729 PR tree-optimization/71366
3730 * tree-ssa-loop-ivcanon.c (edges_to_remove): New global.
3731 (unloop_loops): Move removing edges here ...
3732 (try_unroll_loop_completely): ... from here.
3733 (try_peel_loop): ... and here.
3734 (tree_unroll_loops_completely_1): Track parent loops via
3735 bitmap of header BBs.
3736 (tree_unroll_loops_completely): Adjust for that.
3738 2016-06-01 Kelvin Nilsen <kelvin@gcc.gnu.org>
3740 * config/rs6000/altivec.h (vec_slv): New macro.
3741 (vec_srv): New macro.
3742 * config/rs6000/altivec.md (UNSPEC_VSLV): New value.
3743 (UNSPEC_VSRV): New value.
3746 * config/rs6000/rs6000-builtin.def (vslv): New builtin definition.
3747 (vsrv): New builtin definition.
3748 * config/rs6000/rs6000-c.c (P9V_BUILTIN_VSLV): Macro expansion to
3749 define argument types for new builtin.
3750 (P9V_BUILTIN_VSRV): Macro expansion to define argument types for
3752 * doc/extend.texi: Document the new vec_vslv and vec_srv built-in
3755 2016-06-01 Uros Bizjak <ubizjak@gmail.com>
3756 Jocelyn Mayer <l_indien@magic.fr>
3759 * config/i386/driver-i386.c (host_detect_local_cpu): Correctly
3760 detect processor family for signature_CENTAUR_ebx.
3761 <case PROCESSOR_I486>: Pass c3, winchip2 or winchip-c6 for
3762 signature_CENTAUR_ebx.
3763 <case PROCESSOR _PENTIUMPRO>: Pass c3-2 for signature_CENTAUR_ebx.
3764 <default>: Pass x86-64 for has_longmode.
3766 2016-06-01 Nathan Sidwell <nathan@acm.org>
3768 * config/nvptx/nvptx.c (nvptx_assemble_undefined_decl): Reject
3771 2016-06-01 Richard Biener <rguenther@suse.de>
3773 PR tree-optimization/71261
3774 * tree-vect-patterns.c (check_bool_pattern): Gather a hash-set
3775 of stmts successfully put in the bool pattern. Remove
3776 single-use restriction.
3777 (adjust_bool_pattern_cast): Add cast at the use site via the
3778 pattern def sequence.
3779 (adjust_bool_pattern): Remove recursion, maintain a hash-map
3780 of patterned defs. Use the pattern def seqence instead of
3781 multiple independent patterns.
3782 (sort_after_uid): New qsort compare function.
3783 (adjust_bool_stmts): New function to process stmts in the bool
3784 pattern in IL order.
3785 (vect_recog_bool_pattern): Adjust.
3786 * tree-if-conv.c (ifcvt_split_def_stmt): Remove.
3787 (ifcvt_walk_pattern_tree): Likewise.
3788 (stmt_is_root_of_bool_pattern): Likewise.
3789 (ifcvt_repair_bool_pattern): Likewise.
3790 (tree_if_conversion): Do not call ifcvt_repair_bool_pattern.
3792 2016-06-01 Jan Hubicka <hubicka@ucw.cz>
3794 * loop-unroll.c (decide_unroll_constant_iterations,
3795 decide_unroll_runtime_iterations, decide_unroll_stupid): Use
3796 likely upper bounds.
3797 * loop-iv.c (find_simple_exit): Dump likely upper bounds.
3799 2016-06-01 Thomas Schwinge <thomas@codesourcery.com>
3801 * tree-core.h (enum omp_clause_code): Remove
3802 OMP_CLAUSE_DEVICE_RESIDENT. Adjust all users.
3804 2016-06-01 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3806 * config/arm/sync.md (arm_store_exclusive<mode>):
3807 Use 'H' output modifier on operands[2] rather than creating a new
3808 entry in out-of-bounds memory of the operands array.
3809 (arm_store_release_exclusivedi): Likewise.
3811 2016-06-01 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3813 * config/arm/arm.c (arm_fusion_enabled_p): New function.
3814 * config/arm/arm-protos.h (arm_fusion_enabled_p): Declare prototype.
3815 * config/arm/crypto.md (crypto_<crypto_pattern>, CRYPTO_UNARY):
3816 Add "=w,0" alternative. Enable it when AES/AESMC fusion is enabled.
3818 2016-06-01 Eric Botcazou <ebotcazou@adacore.com>
3820 * tree-vect-loop.c (vect_determine_vectorization_factor): Also take
3821 into account live statements for mask producers.
3823 2016-06-01 Richard Biener <rguenther@suse.de>
3825 PR tree-optimization/71311
3826 * match.pd (@0 < @1 && @0 < @2 -> @0 < min(@1,@2)): Add :c and
3827 restrict to non-INTEGER_CST @0.
3829 2016-06-01 Richard Biener <rguenther@suse.de>
3831 * match.pd ((A & B) - (A & ~B) -> B - (A ^ B)): Add missing :c.
3832 (relational patterns): Use :c to avoid pattern duplications.
3834 2016-06-01 Richard Biener <rguenther@suse.de>
3836 * genmatch.c (comparison_code_p): New predicate.
3837 (swap_tree_comparison): New function.
3838 (commutate): Add for_vec parameter to append new for entries.
3839 Support commutating relational operators by swapping it alongside
3841 (lower_commutative): Adjust.
3842 (dt_simplify::gen): Do not pass artificial operators to gen
3844 (decision_tree::gen): Do not add artificial operators as parameters.
3845 (parser::parse_expr): Verify operator commutativity when :c is
3846 applied. Allow :C to override this.
3847 * match.pd: Adjust patterns to use :C instead of :c where required.
3849 2016-06-01 Patrick Palka <ppalka@gcc.gnu.org>
3851 PR tree-optimization/71077
3852 * tree-ssa-threadedge.c (simplify_control_stmt_condition_1): In
3853 the combining step, use boolean_false_node and boolean_true_node
3854 as the designated false/true return values.
3856 2016-05-31 Jan Hubicka <hubicka@ucw.cz>
3858 * predict.def (PRED_LOOP_EXTRA_EXIT): Define.
3859 * predict.c (predict_iv_comparison): Also check PRED_LOOP_EXTRA_EXIT.
3860 (predict_extra_loop_exits): Use PRED_LOOP_EXTRA_EXIT instead of
3863 2016-05-31 Jan Hubicka <hubicka@ucw.cz>
3865 * doc/invoke.texi (-frename-registers): Drop -fpeel-loops from list
3866 of flags impliying the register renaming.
3867 * toplev.c (process_options): Do not imply flag_rename_registers with
3870 2016-05-31 Oleg Endo <olegendo@gcc.gnu.org>
3872 * config/sh/sh.h (ASM_OUTPUT_SYMBOL_REF): Remove macro and use the
3873 default implementation.
3875 2016-05-31 Nathan Sidwell <nathan@acm.org>
3877 * dwarf2out.c (cur_line_info_table): Add GTY marker.
3879 2016-05-31 Oleg Endo <olegendo@gcc.gnu.org>
3881 * config/sh/constraints.md (b): Remove constraint.
3882 * config/sh/predicates.md (arith_reg_operand): Remove
3884 * config/sh/sh-modes.def (PDI): Remove.
3885 * config/sh/sh.c (sh_target_reg_class,
3886 sh_optimize_target_register_callee_saved): Remove functions.
3887 (sh_option_override): Don't set MASK_SAVE_ALL_TARGET_REGS.
3888 (sh_expand_epilogue): Update comment.
3889 (sh_hard_regno_mode_ok, sh_register_move_cost, calc_live_regs,
3890 sh_secondary_reload): Remove TARGET_REGS related code.
3891 * config/sh/sh.h (FIRST_TARGET_REG, LAST_TARGET_REG,
3892 TARGET_REGISTER_P): Remove macros.
3893 (SH_DBX_REGISTER_NUMBER, REG_ALLOC_ORDER): Remove target regs.
3894 * config/sh/sh.md (PR_MEDIA_REG, T_MEDIA_REG, FR23_REG, TR0_REG,
3895 TR1_REG, TR2_REG): Remove constants.
3896 * config/sh/sh.opt (SAVE_ALL_TARGET_REGS): Remove.
3898 2016-05-31 Oleg Endo <olegendo@gcc.gnu.org>
3900 * config/sh/sh.md (adddi3, subdi3, negdi2, abs<mode>2): Remove
3901 define_expand patterns.
3902 (adddi3_compact): Rename to adddi3.
3903 (subdi3_compact): Rename to subdi3.
3904 (*negdi2): Rename to negdi2.
3905 (*abs<mode>2): Rename to abs<mode>2.
3907 2016-05-31 Oleg Endo <olegendo@gcc.gnu.org>
3909 * config/rx/rx.md (FETCHOP_NO_MINUS): New code iterator.
3910 (atomic_<fetchop_name>_fetchsi): Extract minus operator into ...
3911 (atomic_sub_fetchsi): ... this new pattern.
3912 (mvtc): Add CC_REG clobber.
3914 2016-05-31 Marek Polacek <polacek@redhat.com>
3916 * gimplify.c (gimplify_switch_expr): Also handle GIMPLE_TRY.
3918 2016-05-31 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3920 * config/aarch64/aarch64.c (aarch_macro_fusion_pair_p): Use
3921 aarch64_fusion_enabled_p to check for fusion capabilities.
3923 2016-05-31 Richard Biener <rguenther@suse.de>
3925 PR tree-optimization/71352
3926 * tree-ssa-reassoc.c (zero_one_operation): Handle op equal to
3927 minus one and a negate.
3929 2016-05-31 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3931 * config/aarch64/aarch64.c (aarch64_simd_attr_length_move): Delete.
3932 * config/aarch64/aarch64-protos.h (aarch64_simd_attr_length_move):
3934 * config/aarch64/iterators.md (insn_count): Add descriptive comment.
3935 * config/aarch64/aarch64-simd.md (*aarch64_mov<mode>, VSTRUCT modes):
3936 Remove use of aarch64_simd_attr_length_move, set length attribute
3938 (*aarch64_be_movoi): Likewise.
3939 (*aarch64_be_movci): Likewise.
3940 (*aarch64_be_movxi): Likewise.
3942 2016-05-31 Jan Hubicka <hubicka@ucw.cz>
3944 * loop-init.c (gate): Do not enale RTL loop unroller with -fpeel-loops.
3945 It no longer does that.
3946 * toplev.c (process_options): Do not enable flag_web with -fpeel-loops.
3948 2016-05-31 Wladimir J. van der Laan <laanwj@gmail.com>
3950 * config/aarch64/arm_neon.h (vdupb_laneq_s8): Remove spurious
3951 attribute __unused__.
3953 2016-05-31 Thomas Preud'homme <thomas.preudhomme@arm.com>
3955 * config/arm/arm-protos.h (arm_arch_thumb1): Declare.
3956 * config/arm/arm.c (arm_arch_thumb1): Define.
3957 (arm_option_override): Initialize arm_arch_thumb1.
3958 * config/arm/arm.h (arm_arch_thumb1): Declare.
3959 (TARGET_ARM_ARCH_ISA_THUMB): Use arm_arch_thumb to determine if target
3960 support Thumb-1 ISA.
3962 2016-05-31 Kirill Yukhin <kirill.yukhin@intel.com>
3965 * config/i386/sse.md (define_insn_and_split "*vec_extractv4sf_0"): Use
3966 `Yv' for scalar operand.
3968 2016-05-31 Tom de Vries <tom@codesourcery.com>
3970 PR tree-optimization/69068
3971 * graphite-isl-ast-to-gimple.c (copy_bb_and_scalar_dependences): Handle
3972 phis with more than two args.
3974 2016-05-30 Andreas Tobler <andreast@gcc.gnu.org>
3976 * config.gcc: Move hard float support for arm*hf*-*-freebsd* into
3977 armv6*-*-freebsd* for FreeBSD 11. Eliminate the arm*hf*-*-freebsd*
3980 2016-05-30 Jose E. Marchesi <jose.marchesi@oracle.com>
3982 * config.gcc (sparc*-*-*): Support cpu_32, cpu_64, tune_32 and
3984 * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
3986 * config/sparc/linux64.h (OPTION_DEFAULT_SPECS): Add entries for
3987 cpu_32, cpu_64, tune_32 and tune_64.
3988 * config/sparc/sol2.h (OPTION_DEFAULT_SPECS): Likewise.
3990 2016-05-30 Uros Bizjak <ubizjak@gmail.com>
3992 * config/i386/sync.md (mfence_nosse): Use "lock orl $0, -4(%esp)".
3994 2016-05-30 Andi Kleen <ak@linux.intel.com>
3996 * auto-profile.c (read_profile): Replace asserts with errors
3997 when file does not exist.
3998 * gcov-io.c (gcov_read_words): Dito.
4000 2016-05-30 Jan Hubicka <hubicka@ucw.cz>
4002 * tree-cfg.c (print_loop): Print likely upper bounds.
4004 2016-05-30 Jan Hubicka <hubicka@ucw.cz>
4006 * doc/invoke.texi (-fpeel-loops,-O3): Update documentation.
4007 * opts.c (default_options): Enable peel loops at -O3.
4008 * tree-ssa-loop-ivcanon.c (peeled_loops): New static var.
4009 (try_peel_loop): Do not re-peel already peeled loops;
4010 use likely upper bounds; fix profile updating.
4011 (pass_complete_unroll::execute): Initialize peeled_loops.
4013 2016-05-30 Martin Liska <mliska@suse.cz>
4015 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Scale
4016 computed costs by frequency of BB they belong to.
4017 (get_scaled_computation_cost_at): New function.
4019 2016-05-30 Alexander Monakov <amonakov@ispras.ru>
4020 Marc Glisse <marc.glisse@inria.fr>
4022 PR tree-optimization/71289
4023 * match.pd (-1 / B < A, A > -1 / B): New transformations.
4025 2016-05-30 Jan Hubicka <hubicka@ucw.cz>
4027 * tree-vect-loop.c (vect_transform_loop): Update likely bounds.
4029 2016-05-30 Jan Hubicka <hubicka@ucw.cz>
4031 * tree-ssa-loop-ivcanon.c (try_peel_loop): Correctly set wont_exit
4032 for peeled copies; avoid underflow when updating estimates; correctly
4035 2016-05-30 Kugan Vivekanandarajah <kuganv@linaro.org>
4037 * tree-ssa-reassoc.ci (swap_ops_for_binary_stmt): Fix typo from commit
4038 r236875. Corrected oe3 to oe2 as obvious.
4040 2016-05-30 Kugan Vivekanandarajah <kuganv@linaro.org>
4044 * tree-ssa-reassoc.c (insert_stmt_before_use): Use find_insert_point so
4045 that inserted stmt will not dominate stmts that defines its operand.
4046 (rewrite_expr_tree): Add stmt_to_insert before adding the use stmt.
4047 (rewrite_expr_tree_parallel): Likewise.
4049 2016-05-30 Kugan Vivekanandarajah <kuganv@linaro.org>
4052 * tree-ssa-reassoc.c (swap_ops_for_binary_stmt): Fix swap such that
4053 all fields including stmt_to_insert are swapped.
4055 2016-05-30 Jan Hubicka <hubicka@ucw.cz>
4057 * predict.h (force_edge_cold): Declare.
4058 * predict.c (force_edge_cold): New function.
4059 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Fix profile
4061 (canonicalize_loop_induction_variables): Fix formating.
4063 2016-05-30 Eric Botcazou <ebotcazou@adacore.com>
4065 * config/visium/visium.c (visium_split_double_add): Minor tweaks.
4066 (visium_expand_copysign): Use gen_int_mode directly.
4067 (visium_compute_frame_size): Minor tweaks.
4069 2016-05-30 Jan Hubicka <hubicka@ucw.cz>
4071 * tree-vect-loop.c (vect_analyze_loop_2): Use
4072 likely_max_stmt_executions_int.
4074 2016-05-30 Tom de Vries <tom@codesourcery.com>
4076 PR tree-optimization/69067
4077 * graphite-isl-ast-to-gimple.c (get_def_bb_for_const): Remove assert.
4079 2016-05-29 Uros Bizjak <ubizjak@gmail.com>
4082 * config/i386/sync.md (define_peephole2 atomic_storedi_fpu):
4083 New peepholes to remove unneeded fild/fistp pairs.
4084 (define_peephole2 atomic_loaddi_fpu): Ditto.
4086 2016-05-27 Jan Hubicka <hubicka@ucw.cz>
4088 * predict.c (maybe_hot_frequency_p): Avoid division.
4090 2016-05-28 Gerald Pfeifer <gerald@pfeifer.com>
4092 * doc/install.texi: Use https for shop.fsf.org.
4094 2016-05-27 Jan Hubicka <hubicka@ucw.cz>
4096 * tree-ssa-loop-ivopts.c (estimated_stmt_executions_int): Use
4097 likely_max_stmt_executions_int.
4099 2016-05-27 Jan Hubicka <hubicka@ucw.cz>
4101 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Use
4102 likely_max_stmt_executions_int.
4104 2016-05-27 Jan Hubicka <hubicka@ucw.cz>
4106 * profile.c (compute_branch_probabilities): Do not report hitrates
4108 (branch_prob): Report hitrates here.
4109 * predict.c (gimple_predict_edge): Do not assert profile status;
4110 fix formatting issues.
4112 2016-05-27 Jan Hubicka <hubicka@ucw.cz>
4114 * predict.c (edge_predicted_by_p): New function.
4115 (predict_paths_for_bb): Do not put multiple predictions of the same type
4118 2016-05-27 Jan Hubicka <hubicka@ucw.cz>
4120 * tree-ssa-loop-niter.c (number_of_iterations_exit): Revert accidental
4123 2016-05-28 Alan Modra <amodra@gmail.com>
4125 * dominance.c (verify_dominators): Don't segfault on NULL imm_bb.
4127 2016-05-28 Alan Modra <amodra@gmail.com>
4129 PR rtl-optimization/71275
4130 * ira.c (ira): Free dominance info.
4132 2016-05-27 Gerald Pfeifer <gerald@pfeifer.com>
4134 * doc/sourcebuild.texi: New address for upstream Go repository.
4136 2016-05-27 Thomas Preud'homme <thomas.preudhomme@arm.com>
4138 * config/arm/arm.h (TARGET_ARM_V6M): Remove.
4139 (TARGET_ARM_V7M): Likewise.
4141 2016-05-26 Jeff Law <law@redhat.com>
4143 * tree-ssa-threadedge.c: Remove include of tree-ssa-threadbackward.h.
4144 (thread_across_edge): Remove calls to find_jump_threads_backwards.
4145 * passes.def: Add jump threading passes before DOM/VRP.
4146 * tree-ssa-threadbackward.c (find_jump_threads_backwards): Change
4147 argument to a basic block from an edge. Remove tests which are
4149 (pass_data_thread_jumps, class pass_thread_jumps): New.
4150 (pass_thread_jumps::gate, pass_thread_jumps::execute): New.
4151 (make_pass_thread_jumps): Likewise.
4152 * tree-pass.h (make_pass_thread_jumps): Declare.
4154 2016-05-27 Eric Botcazou <ebotcazou@adacore.com>
4156 * config/visium/visium-protos.h (split_double_move): Rename into...
4157 (visium_split_double_move): ...this.
4158 (visium_split_double_add): Declare.
4159 * config/visium/visium.c (split_double_move): Rename into...
4160 (visium_split_double_move): ...this.
4161 (visium_split_double_add): New function.
4162 (visium_expand_copysign): Renumber operands for consistency.
4163 * config/visium/visium.md (DImode move splitter): Adjust to renaming.
4164 (DFmode move splitter): Likewise.
4165 (*addi3_insn): Split by means of visium_split_double_add.
4166 (*adddi3_insn_flags): Delete.
4167 (*plus_plus_sltu<subst_arith>): New insn.
4168 (*subdi3_insn): Split by means of visium_split_double_add.
4169 (subdi3_insn_flags): Delete.
4170 (*minus_minus_sltu<subst_arith>): New insn.
4171 (*negdi2_insn): Split by means of visium_split_double_add.
4172 (*negdi2_insn_flags): Delete.
4174 2016-05-27 Ulrich Weigand <uweigand@de.ibm.com>
4176 * configure.ac: Treat a --with-headers option without argument
4177 the same as the default (i.e. consult sys-include directory).
4178 * configure: Regenerate.
4180 2016-05-27 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4182 * config/aarch64/aarch64.c (aarch64_fusion_enabled_p): New function.
4183 * config/aarch64/aarch64-protos.h (aarch64_fusion_enabled_p): Declare
4185 * config/aarch64/aarch64-simd.md (aarch64_crypto_aes<aesmc_op>v16qi):
4186 Add "=w,0" alternative. Enable it when AES/AESMC fusion is enabled.
4188 2016-05-27 Jiong Wang <jiong.wang@arm.com>
4191 * config/aarch64/aarch64.c (aarch64_expand_builtin_va_start): Honor
4192 tree-stdarg analysis results.
4193 (aarch64_setup_incoming_varargs): Likewise.
4195 2016-05-27 Jiong Wang <jiong.wang@arm.com>
4197 * config/aarch64/aarch64.c (aarch64_build_builtin_va_list): Initialize
4198 va_list_gpr_counter_field and va_list_fpr_counter_field.
4200 2016-05-27 Wilco Dijkstra <wdijkstr@arm.com>
4203 * config/aarch64/aarch64.h (CANNOT_CHANGE_MODE_CLASS): Remove.
4204 * config/aarch64/aarch64.c
4205 (aarch64_cannot_change_mode_class): Remove function.
4206 * config/aarch64/aarch64-protos.h
4207 (aarch64_cannot_change_mode_class): Remove.
4209 2016-05-27 Jan Hubicka <hubicka@ucw.cz>
4211 * cfgloop.c (record_niter_bound): Record likely upper bounds.
4212 (likely_max_stmt_executions_int, get_likely_max_loop_iterations,
4213 get_likely_max_loop_iterations_int): New.
4214 * cfgloop.h (struct loop): Add nb_iterations_likely_upper_bound,
4215 any_likely_upper_bound.
4216 (get_likely_max_loop_iterations_int, get_likely_max_loop_iterations):
4218 * cfgloopmanip.c (copy_loop_info): Copy likely upper bounds.
4219 * loop-unroll.c (unroll_loop_constant_iterations): Update likely
4221 (unroll_loop_constant_iterations): Likewise.
4222 (unroll_loop_runtime_iterations): Likewise.
4223 * lto-streamer-in.c (input_cfg): Stream likely upper bounds.
4224 * lto-streamer-out.c (output_cfg): Likewise.
4225 * tree-ssa-loop-ivcanon.c (try_peel_loop): Update likely upper
4227 (canonicalize_loop_induction_variables): Dump likely upper bounds.
4228 * tree-ssa-loop-niter.c (record_estimate): Record likely upper bounds.
4229 (likely_max_loop_iterations): New.
4230 (likely_max_loop_iterations_int): New.
4231 (likely_max_stmt_executions): New.
4232 * tree-ssa-loop-niter.h (likely_max_loop_iterations,
4233 likely_max_loop_iterations_int, likely_max_stmt_executions_int,
4234 likely_max_stmt_executions): Declare.
4236 2016-05-27 Marek Polacek <polacek@redhat.com>
4239 * gimple-fold.c (gimple_fold_call): Check that LHS is not null.
4241 2016-05-27 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4243 * config/s390/s390.md (2x risbg splitters): Use
4244 reg_overlap_mentioned_p instead of rtx_equal_p.
4246 2016-05-27 Dominik Vogt <vogt@linux.vnet.ibm.com>
4248 * combine.c (make_compound_operation): Take known zero bits into
4249 account when checking for possible zero_extend.
4251 2016-05-27 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4253 * config/aarch64/aarch64.md (ashl<mode>3, SHORT modes):
4254 Use const_int_operand for operand 2 predicate. Simplify expand code
4257 2016-05-27 Ilya Enkovich <ilya.enkovich@intel.com>
4260 * fold-const.c (fold_ternary_loc): Don't fold VEC_COND_EXPR
4263 2016-05-27 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4265 * config/aarch64/aarch64-modes.def (CC_ZESWP, CC_SESWP): Delete.
4266 * config/aarch64/aarch64.c (aarch64_select_cc_mode): Remove condition
4267 that returns CC_SESWPmode and CC_ZESWPmode.
4268 (aarch64_get_condition_code_1): Remove handling of CC_SESWPmode
4270 (aarch64_rtx_costs): Likewise.
4272 2016-05-26 Michael Meissner <meissner@linux.vnet.ibm.com>
4274 * config/rs6000/rs6000.c (rs6000_emit_p9_fp_minmax): New function
4275 for ISA 3.0 min/max support.
4276 (rs6000_emit_p9_fp_cmove): New function for ISA 3.0 floating point
4277 conditional move support.
4278 (rs6000_emit_cmove): Call rs6000_emit_p9_fp_minmax and
4279 rs6000_emit_p9_fp_cmove if the ISA 3.0 instructions are
4281 * config/rs6000/rs6000.md (SFDF2): New iterator to allow doing
4282 conditional moves where the comparison type is different from move
4284 (fp_minmax): New code iterator for smin/smax.
4285 (minmax): New code attributes for min/max.
4286 (SMINMAX): Likewise.
4287 (smax<mode>3): Combine min, max insns into one insn using the
4288 fp_minmax code iterator. Add support for ISA 3.0 min/max
4289 instructions that don't need -ffast-math.
4290 (s<minmax><mode>3): Likewise.
4291 (smax<mode>3_vsx): Likewise.
4292 (smin<mode>3): Likewise.
4293 (s<minmax><mode>3_vsx): Likewise.
4294 (smin<mode>3_vsx): Likewise.
4295 (pre-VSX min/max splitters): Likewise.
4296 (s<minmax><mode>3_fpr): Likewise.
4297 (movsfcc): Rewrite floating point conditional moves to combine
4298 SFmode/DFmode into a single insn.
4299 (mov<mode>cc): Likewise.
4300 (movdfcc): Likewise.
4301 (fselsfsf4): Combine FSEL cases into a single insn, using SFDF and
4302 SFDF2 iterators to handle all combinations.
4303 (fseldfsf4): Likewise.
4304 (fsel<SFDF:mode><SFDF2:mode>4): Likewise.
4305 (fseldfdf4): Likewise.
4306 (fselsfdf4): Likewise.
4307 (mov<SFDF:mode><SFDF2:mode>cc_p9): Add support for the ISA 3.0
4308 comparison instructions that set a 0/-1 mask, and use it for
4309 floating point conditional move via XXSEL.
4310 (fpmask<mode>): Likewise.
4311 (xxsel<mode>): Likewise.
4312 * config/rs6000/predicates.md (min_max_operator): Delete, no
4314 (fpmask_comparison_operaton): New insn for ISA 3.0 comparison
4315 instructions that generate a 0/-1 mask for use with XXSEL.
4316 * config/rs6000/rs6000.h (TARGET_MINMAX_SF): New helper macros to
4317 say whether floating point min/max is available, either through
4318 FSEL, ISA 2.06 min/max, and ISA 3.0 min/max instrucitons.
4319 (TARGET_MINMAX_DF): Likewise.
4321 2016-05-27 Alan Modra <amodra@gmail.com>
4323 PR rtl-optimization/71275
4324 * ira.c (ira): Call loop_optimizer_init to set up bb_loop_depth
4325 for update_equiv_regs and combine_and_move_insns.
4327 2016-05-26 Uros Bizjak <ubizjak@gmail.com>
4329 * config/i386/i386.md (*movqi_internal) <attr "isa">: Use
4330 if_then_else or cond RTXes to calculate attribute value.
4331 * config/i386/mmx.md (*vec_extractv2sf_1) <attr "prefix_rep">: Ditto.
4332 <attr "length_immediate>: Ditto.
4333 (*vec_extractv2sf_1) <attr "length_immediate">: Ditto.
4334 * config/i386/sse.md (sse_loadlps) <attr "length_immediate">: Ditto.
4335 (*vec_concatv2sf_sse4_1) <attr "isa">: Ditto.
4336 <attr "type">: Ditto.
4337 <attr "prefix_data16">: Ditto.
4338 <attr "prefix_extra">: Ditto.
4339 <attr "length_immediate">: Ditto.
4340 <attr "prefix">: Ditto.
4341 (vec_set<mode>_0) <attr "isa">: Ditto.
4342 <attr "prefix_extra">: Ditto.
4343 <attr "length_immediate">: Ditto.
4344 <attr "prefix">: Ditto.
4345 (*vec_interleave_highv2df) <attr "prefix_data16">: Ditto.
4346 (*vec_interleave_lowv2df) <attr "prefix_data16">: Ditto.
4347 (sse2_storelpd) <attr "prefix_data16">: Ditto.
4348 (sse2_loadhpd) <attr "prefix_data16">: Ditto.
4349 (sse2_loadlpd) <attr "prefix_data16">: Ditto.
4350 <attr "length_immediate">: Ditto.
4351 <attr "prefix">: Ditto.
4352 (sse2_movsd) <attr "length_immediate">: Ditto.
4353 <attr "prefix">: Ditto.
4354 (vec_concatv2df) <attr "isa">: Ditto.
4355 <attr "prefix">: Ditto.
4356 (*vec_extractv4si) <attr "prefix_extra">: Ditto.
4357 (*vec_extractv2di_1) <attr "isa">: Ditto.
4358 <attr "type">: Ditto.
4359 <attr "length_immediate">: Ditto.
4360 <attr "prefix_rex">: Ditto.
4361 <attr "prefix_extra">: Ditto.
4362 (*vec_concatv2si_sse4_1) <attr "type">: Ditto.
4363 <attr "prefix_extra">: Ditto.
4364 <attr "length_immediate">: Ditto.
4365 (vec_concatv2di) <attr "isa">: Ditto.
4366 <attr "prefix_extra">: Ditto.
4367 <attr "length_immediate">: Ditto.
4368 <attr "prefix">: Ditto.
4370 2016-05-26 Martin Liska <mliska@suse.cz>
4372 * tree-ssa-loop-ivopts.c (comp_cost::infinite_cost_p): New
4374 (operator+): Likewise.
4375 (operator-): Likewise.
4376 (comp_cost::operator+=): Likewise.
4377 (comp_cost::operator-=): Likewise.
4378 (comp_cost::operator/=): Likewise.
4379 (comp_cost::operator*=): Likewise.
4380 (operator<): Likewise.
4381 (operator==): Likewise.
4382 (operator<=): Likewise.
4384 (infinite_cost_p): Likewise.
4385 (add_costs): Likewise.
4386 (sub_costs): Likewise.
4387 (compare_costs): Likewise.
4388 (set_group_iv_cost): Use the newly introduced functions.
4389 (get_address_cost): Likewise.
4390 (get_shiftadd_cost): Likewise.
4391 (force_expr_to_var_cost): Likewise.
4392 (split_address_cost): Likewise.
4393 (ptr_difference_cost): Likewise.
4394 (difference_cost): Likewise.
4395 (get_computation_cost_at): Likewise.
4396 (determine_group_iv_cost_generic): Likewise.
4397 (determine_group_iv_cost_address): Likewise.
4398 (determine_group_iv_cost_cond): Likewise.
4399 (autoinc_possible_for_pair): Likewise.
4400 (determine_group_iv_costs): Likewise.
4401 (cheaper_cost_pair): Likewise.
4402 (iv_ca_recount_cost): Likewise.
4403 (iv_ca_set_no_cp): Likewise.
4404 (iv_ca_set_cp): Likewise.
4405 (iv_ca_cost): Likewise.
4406 (iv_ca_new): Likewise.
4407 (iv_ca_dump): Likewise.
4408 (iv_ca_narrow): Likewise.
4409 (iv_ca_prune): Likewise.
4410 (iv_ca_replace): Likewise.
4411 (try_add_cand_for): Likewise.
4412 (try_improve_iv_set): Likewise.
4413 (find_optimal_iv_set): Likewise.
4415 2016-05-26 Richard Sandiford <richard.sandiford@arm.com>
4417 * tree-ssa-loop-ivopts.c (loop_body_includes_call): Don't assume
4418 that internal functions will clobber all caller-saved registers.
4420 2016-05-26 Wilco Dijkstra <wdijkstr@arm.com>
4422 * config/aarch64/aarch64.c (aarch64_case_values_threshold):
4423 Return a better case_values_threshold when optimizing.
4425 2016-05-26 Wilco Dijkstra <wdijkstr@arm.com>
4427 * config/aarch64/aarch64-simd.md (aarch64_combinez):
4428 Add ? to integer variant.
4429 (aarch64_combinez_be): Likewise.
4431 2016-05-26 Jakub Jelinek <jakub@redhat.com>
4433 * config/i386/sse.md (*vcvtps2ph_store<mask_name>): Use v constraint
4434 instead of x constraint.
4435 (vcvtps2ph256<mask_name>): Likewise.
4437 * config/i386/sse.md (*ssse3_palignr<mode>_perm): Add avx512bw
4438 alternative. Formatting fix.
4440 * config/i386/sse.md
4441 (<mask_codefor>avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Rename
4443 (avx512vl_shuf_<shuffletype>32x4_1<mask_name>): ... this.
4444 (*avx_vperm_broadcast_v4sf): Use v constraint instead of x. Use
4445 maybe_evex prefix instead of vex.
4446 (*avx_vperm_broadcast_<mode>): Use v constraint instead of x. Handle
4447 EXT_REX_SSE_REG_P (op0) case in the splitter.
4449 2016-05-25 Jeff Law <law@redhat.com>
4451 PR tree-optimization/71272
4452 * tree-ssa-threadbackward.c (convert_and_register_jump_thread_path):
4453 Update comments. Add test for empty path.
4455 2016-05-25 Bill Seurer <seurer@linux.vnet.ibm.com>
4457 * config/rs6000/altivec.h (vec_cmpne): Add #define for vec_cmpne.
4458 * config/rs6000/rs6000-builtin.def (vec_cmpne): Add vec_cmpne as a
4459 special case builtin.
4460 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
4461 code for ALTIVEC_BUILTIN_VEC_CMPNE.
4462 * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
4463 for __builtin_vec_cmpne.
4465 2016-05-25 Eric Botcazou <ebotcazou@adacore.com>
4467 * tree-ssa-phiopt.c (factor_out_conditional_conversion): Remove
4468 redundant test and bail out if the type of the new operand is not
4469 a GIMPLE register type after stripping a VIEW_CONVERT_EXPR.
4471 2016-05-25 Uros Bizjak <ubizjak@gmail.com>
4473 * config/i386/i386.opt (ix86_target_flags_explicit): Remove.
4474 (x_ix86_target_flags_explicit): Remove.
4475 * config/i386/i386.c (ix86_function_specific_save): Do not copy
4476 x_ix86_target_flags_explicit.
4477 (ix86_function_specific_restore): Ditto.
4479 2016-05-25 Uros Bizjak <ubizjak@gmail.com>
4480 H.J. Lu <hongjiu.lu@intel.com>
4483 * common/config/i386/i386-common.c
4484 (OPTION_MASK_ISA_GENERAL_REGS_ONLY_UNSET): New.
4485 (ix86_handle_option) <case OPT_mgeneral_regs_only>: Disable
4486 MPX, MMX, SSE and x87 instructions for -mgeneral-regs-only.
4487 * config/i386/i386.opt (ix86_target_flags): Add new Variable.
4488 (-mgeneral-regs-only): Add new option.
4489 * config/i386/i386.c (ix86_option_override_internal): Don't enable
4490 x87 instructions if only general registers are allowed.
4491 (ix86_target_string): Add ix86_flags argument. Handle additional
4492 flags options through ix86_flags argument. Update all callers.
4493 * doc/invoke.texi (x86 Options): Document -mgeneral-regs-only.
4495 2016-05-25 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4497 PR rtl-optimization/66940
4498 * ifcvt.c (noce_get_alt_condition): Check that incrementing or
4499 decrementing desired_val will not overflow before performing these
4502 2016-05-25 Ilya Verbin <ilya.verbin@intel.com>
4504 * config/i386/i386-builtin-types.def: Add V16SI_FTYPE_V16SF,
4505 V8DF_FTYPE_V8DF_ROUND, V16SF_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF_ROUND.
4506 * config/i386/i386.c (enum ix86_builtins): Add
4507 IX86_BUILTIN_CVTPS2DQ512_MASK, IX86_BUILTIN_FLOORPS512,
4508 IX86_BUILTIN_FLOORPD512, IX86_BUILTIN_CEILPS512, IX86_BUILTIN_CEILPD512,
4509 IX86_BUILTIN_TRUNCPS512, IX86_BUILTIN_TRUNCPD512,
4510 IX86_BUILTIN_CVTPS2DQ512, IX86_BUILTIN_VEC_PACK_SFIX512,
4511 IX86_BUILTIN_FLOORPS_SFIX512, IX86_BUILTIN_CEILPS_SFIX512,
4512 IX86_BUILTIN_ROUNDPS_AZ_SFIX512.
4513 (builtin_description bdesc_args): Add __builtin_ia32_floorps512,
4514 __builtin_ia32_ceilps512, __builtin_ia32_truncps512,
4515 __builtin_ia32_floorpd512, __builtin_ia32_ceilpd512,
4516 __builtin_ia32_truncpd512, __builtin_ia32_cvtps2dq512,
4517 __builtin_ia32_vec_pack_sfix512, __builtin_ia32_roundps_az_sfix512,
4518 __builtin_ia32_floorps_sfix512, __builtin_ia32_ceilps_sfix512.
4519 Change IX86_BUILTIN_CVTPS2DQ512 to IX86_BUILTIN_CVTPS2DQ512_MASK for
4520 __builtin_ia32_cvtps2dq512_mask.
4521 (ix86_expand_args_builtin): Handle V8DF_FTYPE_V8DF_ROUND,
4522 V16SF_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF.
4523 (ix86_builtin_vectorized_function): Handle builtins mentioned above.
4524 * config/i386/sse.md
4525 (<mask_codefor>avx512f_fix_notruncv16sfv16si<mask_name><round_name>):
4527 (avx512f_fix_notruncv16sfv16si<mask_name><round_name>): ... this.
4528 (<mask_codefor>avx512f_cvtpd2dq512<mask_name><round_name>): Rename
4530 (avx512f_cvtpd2dq512<mask_name><round_name>): ... this.
4531 (avx512f_vec_pack_sfix_v8df): New define_expand.
4532 (avx512f_roundpd512): Rename to ...
4533 (avx512f_round<castmode>512): ... this. Change iterator.
4534 (avx512f_roundps512_sfix): New define_expand.
4535 (round<mode>2_sfix): Change iterator.
4537 2016-05-25 Nick Clifton <nickc@redhat.com>
4539 * config/msp430/msp430.c (msp430_attr): Produce an error if a
4540 static interrupt handler is detected.
4541 * config/msp430/msp430.h (LIB_SPEC): Do not use msp430.ld as the
4542 default linker script.
4543 * config/msp430/msp430.md (movpsihi2_lo): New pattern for loading
4544 the low part of a symbolic pointer.
4546 2016-05-25 Richard Biener <rguenther@suse.de>
4548 PR tree-optimization/71261
4549 * tree-if-conv.c (ifcvt_split_def_stmt): Walk uses on the
4550 interesting stmt instead of immediate uses when looking
4551 for the use operand to replace.
4553 2016-05-25 Martin Liska <mliska@suse.cz>
4555 * ipa-inline.c (edge_badness): Use 'w/' instead of 'w'.
4557 2016-05-25 Richard Biener <rguenther@suse.de>
4559 PR tree-optimization/71264
4560 * tree-vect-stmts.c (vect_init_vector): Properly deal with
4563 2016-05-25 Martin Liska <mliska@suse.cz>
4565 PR tree-optimization/71239
4566 * tree.c (array_at_struct_end_p): Do not call operand_equal_p
4567 if DECL_SIZE is NULL.
4569 2016-05-25 Richard Biener <rguenther@suse.de>
4571 * timevar.def (TV_TREE_LOOP_IFCVT): Add.
4572 * tree-if-conv.c (pass_data_if_conversion): Use it.
4574 2016-05-25 Bernd Edlinger <bernd.edlinger@hotmail.de>
4576 * cgraph.c (cgraph_node::get_availability): Fix typo in comment.
4577 * symtab.c (symtab_node::binds_to_current_def_p): Likewise.
4578 * varpool.c (varpool_node::get_availability): Likewise.
4580 2016-05-24 Michael Meissner <meissner@linux.vnet.ibm.com>
4582 * config/rs6000/altivec.md (VNEG iterator): New iterator for
4583 VNEGW/VNEGD instructions.
4584 (p9_neg<mode>2): New insns for ISA 3.0 VNEGW/VNEGD.
4585 (neg<mode>2): Add expander for V2DImode added in ISA 2.07, and
4586 support for ISA 3.0 VNEGW/VNEGD instructions.
4588 2016-05-24 Cesar Philippidis <cesar@codesourcery.com>
4590 * gimplify.c (omp_notice_variable): Use zero-length arrays for data
4591 pointers inside OACC_DATA regions.
4592 (gimplify_scan_omp_clauses): Prune firstprivate clause associated
4593 with OACC_DATA, OACC_ENTER_DATA and OACC_EXIT data regions.
4594 (gimplify_adjust_omp_clauses): Fix typo in comment.
4596 2016-05-24 Michael Meissner <meissner@linux.vnet.ibm.com>
4598 * config/rs6000/altivec.md (VParity): New mode iterator for vector
4599 parity built-in functions.
4600 (p9v_ctz<mode>2): Add support for ISA 3.0 vector count trailing
4602 (p9v_parity<mode>2): Likewise.
4603 * config/rs6000/vector.md (VEC_IP): New mode iterator for vector
4605 (ctz<mode>2): ISA 3.0 expander for vector count trailing zeros.
4606 (parity<mode>2): ISA 3.0 expander for vector parity.
4607 * config/rs6000/rs6000-builtin.def (BU_P9_MISC_1): New macros for
4609 (BU_P9_64BIT_MISC_0): Likewise.
4610 (BU_P9_MISC_0): Likewise.
4611 (BU_P9V_AV_1): Likewise.
4612 (BU_P9V_AV_2): Likewise.
4613 (BU_P9V_AV_3): Likewise.
4614 (BU_P9V_AV_P): Likewise.
4615 (BU_P9V_VSX_1): Likewise.
4616 (BU_P9V_OVERLOAD_1): Likewise.
4617 (BU_P9V_OVERLOAD_2): Likewise.
4618 (BU_P9V_OVERLOAD_3): Likewise.
4619 (VCTZB): Add vector count trailing zeros support.
4623 (VPRTYBD): Add vector parity support.
4624 (VPRTYBQ): Likewise.
4625 (VPRTYBW): Likewise.
4626 (VCTZ): Add overloaded vector count trailing zeros support.
4627 (VPRTYB): Add overloaded vector parity support.
4628 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
4629 overloaded vector count trailing zeros and parity instructions.
4630 * config/rs6000/rs6000.md (wd mode attribute): Add V1TI and TI for
4631 vector parity support.
4632 * config/rs6000/altivec.h (vec_vctz): Add ISA 3.0 vector count
4633 trailing zeros support.
4634 (vec_cntlz): Likewise.
4635 (vec_vctzb): Likewise.
4636 (vec_vctzd): Likewise.
4637 (vec_vctzh): Likewise.
4638 (vec_vctzw): Likewise.
4639 (vec_vprtyb): Add ISA 3.0 vector parity support.
4640 (vec_vprtybd): Likewise.
4641 (vec_vprtybw): Likewise.
4642 (vec_vprtybq): Likewise.
4643 * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
4644 the ISA 3.0 vector count trailing zeros and vector parity built-in
4647 2016-05-24 Kugan Vivekanandarajah <kuganv@linaro.org>
4649 * tree-ssa-reassoc.c (sort_by_operand_rank): Skip checking gimple_bb
4650 when there is stmt_to_insert.
4652 2016-05-24 Martin Sebor <msebor@redhat.com>
4655 * tree.h (complete_or_array_type_p): New inline function.
4657 2016-05-24 Jakub Jelinek <jakub@redhat.com>
4659 * config/i386/i386.h (TARGET_AVOID_4BYTE_PREFIXES): Define.
4660 * config/i386/constraints.md (Yr): Test TARGET_AVOID_4BYTE_PREFIXES
4661 rather than X86_TUNE_AVOID_4BYTE_PREFIXES.
4663 * config/i386/sse.md (<sse4_1>_round<ssemodesuffix><avxsizesuffix>):
4664 Limit 1st alternative to noavx isa, split 2nd alternative into one
4665 noavx and one avx alternative, use *x and Bm in the former and
4666 x and m in the latter.
4668 * config/i386/sse.md (vec_set<mode>_0): Use sse4_noavx isa instead
4669 of sse4 for the first alternative, drop %v from the template
4670 and d operand modifier. Split second alternative into one sse4_noavx
4671 and one avx alternative, use *x instead of *v in the former and v
4672 instead of *v in the latter.
4673 (*sse4_1_extractps): Use noavx isa instead of * for the first
4674 alternative, drop %v from the template. Split second alternative into
4675 one noavx and one avx alternative, use *x instead of *v in the
4676 former and v instead of *v in the latter.
4677 (<vi8_sse4_1_avx2_avx512>_movntdqa): Guard the first 2 alternatives
4678 with noavx and the last one with avx.
4679 (sse4_1_phminposuw): Guard first alternative with noavx isa,
4680 split the second one into one noavx and one avx alternative,
4681 use *x and Bm in the former and x and m in the latter one.
4682 (<sse4_1>_ptest<mode>): Use noavx instead of * for the first two
4685 * config/i386/sse.md (sse4_1_<code>v8qiv8hi2<mask_name>): Limit
4686 first two alternatives to noavx, use *x instead of *v in the second
4687 one, add avx alternative without *.
4688 (sse4_1_<code>v4qiv4si2<mask_name>, sse4_1_<code>v4hiv4si2<mask_name>,
4689 sse4_1_<code>v2qiv2di2<mask_name>, sse4_1_<code>v2hiv2di2<mask_name>,
4690 sse4_1_<code>v2siv2di2<mask_name>): Likewise.
4692 2016-05-24 Jeff Law <law@redhat.com>
4694 * tree-ssa-threadbackwards.c (convert_and_register_jump_thread_path):
4695 New function, extracted from...
4696 (fsm_find_control_statement_thread_paths): Here. Use the new function.
4697 Allow simple copies and constant initializations in the SSA chain.
4699 2016-05-24 Marek Polacek <polacek@redhat.com>
4702 * gimplify.c (gimplify_switch_expr): Look into the innermost lexical
4705 2016-05-24 Jakub Jelinek <jakub@redhat.com>
4708 * tree-vect-stmts.c (vectorizable_simd_clone_call): Handle
4709 SIMD_CLONE_ARG_TYPE_LINEAR_REF_CONSTANT_STEP like
4710 SIMD_CLONE_ARG_TYPE_LINEAR_CONSTANT_STEP. Add
4711 SIMD_CLONE_ARG_TYPE_LINEAR_VAL_CONSTANT_STEP and
4712 SIMD_CLONE_ARG_TYPE_LINEAR_UVAL_CONSTANT_STEP cases explicitly.
4714 2016-05-24 Richard Biener <rguenther@suse.de>
4716 PR tree-optimization/71240
4717 * tree-ssa-math-opts.c (init_symbolic_number): Verify the source
4720 2016-05-24 Richard Biener <rguenther@suse.de>
4722 PR tree-optimization/71230
4723 * tree-ssa-reassoc.c (zero_one_operation): Handle negate special ops.
4725 2016-05-24 Richard Sandiford <richard.sandiford@arm.com>
4727 * tree-vectorizer.h (vectorizable_comparison): Delete.
4728 * tree-vect-loop.c (vectorizable_reduction): Remove redundant
4729 PURE_SLP_STMT check.
4730 * tree-vect-stmts.c (vectorizable_call): Likewise.
4731 (vectorizable_simd_clone_call): Likewise.
4732 (vectorizable_conversion): Likewise.
4733 (vectorizable_assignment): Likewise.
4734 (vectorizable_shift): Likewise.
4735 (vectorizable_operation): Likewise.
4736 (vectorizable_load): Likewise.
4737 (vectorizable_condition): Likewise.
4738 (vectorizable_store): Likewise. Assert that we don't have
4740 (vectorizable_comparison): Make static. Remove redundant
4741 PURE_SLP_STMT check.
4742 (vect_transform_stmt): Assert that we always have an slp_node
4745 2016-05-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4747 * config/arm/neon.md (ashldi3_neon): Replace comparison of INTVAL of
4748 operands[2] against 1 with comparison against CONST1_RTX.
4749 (<shift>di3_neon): Likewise.
4750 * config/arm/predicates.md (const0_operand): Replace with comparison
4753 2016-05-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4755 * config/arm/arm.md (ashldi3): Replace comparison of INTVAL of
4756 operands[2] against 1 with comparison against CONST1_RTX.
4757 (ashrdi3): Likewise.
4758 (lshrdi3): Likewise.
4759 (ashlsi3): Replace cast of INTVAL to unsigned HOST_WIDE_INT with
4761 (ashrsi3): Likewise.
4762 (lshrsi3): Likewise.
4763 (rotrsi3): Likewise.
4764 (define_split above *compareqi_eq0): Likewise.
4765 (define_split above "prologue"): Likewise.
4766 * config/arm/arm.c (thumb1_size_rtx_costs): Likewise.
4767 * config/arm/predicates.md (shift_operator): Likewise.
4768 (shift_nomul_operator): Likewise.
4769 (sat_shift_operator): Likewise.
4770 (thumb1_cmp_operand): Likewise.
4771 (const_neon_scalar_shift_amount_operand): Replace manual range
4772 check with IN_RANGE.
4773 * config/arm/thumb1.md (define_peephole2 above *thumb_subdi3):
4774 Replace cast of INTVAL to unsigned HOST_WIDE_INT with UINTVAL.
4776 2016-05-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4778 * config/arm/arm.md (andsi3): Replace cast of 1 to HOST_WIDE_INT
4779 with HOST_WIDE_INT_1.
4781 * config/arm/arm.c (optimal_immediate_sequence): Replace cast of
4782 1 to unsigned HOST_WIDE_INT with HOST_WIDE_INT_1U.
4783 (arm_canonicalize_comparison): Likewise.
4784 (thumb1_rtx_costs): Replace cast of 1 to HOST_WIDE_INT with
4786 (thumb1_size_rtx_costs): Likewise.
4787 (vfp_const_double_index): Replace cast of 1 to unsigned
4788 HOST_WIDE_INT with HOST_WIDE_INT_1U.
4789 (get_jump_table_size): Replace cast of 1 to HOST_WIDE_INT with
4791 (arm_asan_shadow_offset): Replace cast of 1 to unsigned
4792 HOST_WIDE_INT with HOST_WIDE_INT_1U.
4793 * config/arm/neon.md (vec_set<mode>): Replace cast of 1 to
4794 HOST_WIDE_INT with HOST_WIDE_INT_1.
4796 2016-05-24 Marek Polacek <polacek@redhat.com>
4798 * tree-cfg.h (should_remove_lhs_p): New predicate.
4799 * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Use it.
4800 * gimplify.c (gimplify_modify_expr): Likewise.
4801 * tree-cfg.c (verify_gimple_call): Likewise.
4802 * tree-cfgcleanup.c (fixup_noreturn_call): Likewise.
4803 * gimple-fold.c: Include "tree-cfg.h".
4804 (gimple_fold_call): Use should_remove_lhs_p.
4806 2016-05-24 Richard Biener <rguenther@suse.de>
4808 PR tree-optimization/71253
4809 * cfganal.h (control_dependences): Make robust against edge
4811 (control_dependences::control_dependences): Remove edge_list argument.
4812 (control_dependences::get_edge): Remove.
4813 (control_dependences::get_edge_src): Add.
4814 (control_dependences::get_edge_dest): Likewise.
4815 (control_dependences::m_el): Make a vector of edge src/dest index.
4816 * cfganal.c (control_dependences::find_control_dependence): Adjust.
4817 (control_dependences::control_dependences): Likewise.
4818 (control_dependences::~control_dependence): Likewise.
4819 (control_dependences::get_edge): Remove.
4820 (control_dependences::get_edge_src): Add.
4821 (control_dependences::get_edge_dest): Likewise.
4822 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Use
4824 (perform_tree_ssa_dce): Adjust.
4825 * tree-loop-distribution.c (create_edge_for_control_dependence): Use
4827 (pass_loop_distribution::execute): Adjust. Do loop destroying
4828 conditional on changed.
4830 2016-05-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4833 * config/arm/arm.c (gen_operands_ldrd_strd): Remove bogus early
4834 return. Reindent transformation comment and mention the ARM state
4837 2016-05-24 Kugan Vivekanandarajah <kuganv@linaro.org>
4840 * tree-ssa-reassoc.c (rewrite_expr_tree_parallel): Add stmt_to_insert
4841 after build_and_add_sum creates new use stmt.
4843 2016-05-24 Richard Sandiford <richard.sandiford@arm.com>
4845 * tree-vect-stmts.c (vectorizable_load): Reorder checks so that
4846 load_lanes/grouped_load classification comes first. Don't check
4847 whether the vectorization factor is a multiple of the group size
4850 2016-05-24 Richard Sandiford <richard.sandiford@arm.com>
4852 * tree-vect-data-refs.c (vect_analyze_group_access_1): Set
4853 GROUP_GAP for single-element interleaving.
4854 * tree-vect-stmts.c (vectorizable_load): Remove force_peeling
4857 2016-05-24 Richard Biener <rguenther@suse.de>
4861 * tree-ssa.c (non_rewritable_mem_ref_base): Make sure to mark
4862 bases which are accessed with non-invariant indices.
4863 * gimple-fold.c (maybe_canonicalize_mem_ref_addr): Re-write
4864 constant index ARRAY_REFs of vectors into BIT_FIELD_REFs.
4866 2016-05-24 Kugan Vivekanandarajah <kuganv@linaro.org>
4869 * tree-ssa-reassoc.c (struct operand_entry): Add field stmt_to_insert.
4870 (add_to_ops_vec): Add stmt_to_insert.
4871 (add_repeat_to_ops_vec): Init stmt_to_insert.
4872 (insert_stmt_before_use): New.
4873 (transform_add_to_multiply): Remove mult_stmt insertion and add it
4875 (get_ops): Init stmt_to_insert.
4876 (maybe_optimize_range_tests): Likewise.
4877 (rewrite_expr_tree): Insert stmt_to_insert before use stmt.
4878 (rewrite_expr_tree_parallel): Likewise.
4879 (reassociate_bb): Likewise.
4881 2016-05-23 Michael Meissner <meissner@linux.vnet.ibm.com>
4884 * config/rs6000/altivec.md (altivec_vperm_<mode>_internal): Drop
4885 ISA 3.0 xxperm fusion alternative.
4886 (altivec_vperm_v8hiv16qi): Likewise.
4887 (altivec_vperm_<mode>_uns_internal): Likewise.
4888 (vperm_v8hiv4si): Likewise.
4889 (vperm_v16qiv8hi): Likewise.
4891 2016-05-23 Michael Meissner <meissner@linux.vnet.ibm.com>
4892 Kelvin Nilsen <kelvin@gcc.gnu.org>
4894 * config/rs6000/rs6000.c (rs6000_expand_vector_set): Generate
4895 vpermr/xxpermr on ISA 3.0.
4896 (altivec_expand_vec_perm_le): Likewise.
4897 * config/rs6000/altivec.md (UNSPEC_VPERMR): New unspec.
4898 (altivec_vpermr_<mode>_internal): Add VPERMR/XXPERMR support for
4901 2016-05-23 Uros Bizjak <ubizjak@gmail.com>
4903 * config/i386/i386.h (IS_STACK_MODE): Enable for
4904 TARGET_MIX_SSE_I387. Rewrite using X87_FLOAT_MODE_P and
4905 SSE_FLOAT_MODE_P macros.
4906 * config/i386/i386.c (ix86_preferred_reload_class): Use
4907 IS_STACK_MODE, INTEGER_CLASS_P, FLOAT_CLASS_P and Q_CLASS_P macros.
4908 Cleanup regclass processing for CONST_DOUBLE_P.
4909 (ix86_preferred_output_reload_class): Use IS_STACK_MODE macro.
4910 (ix86_rtx_costs): Remove redundant TARGET_80387 check
4911 with IS_STACK_MODE macro.
4912 * config/i386/i386.md: Replace SSE_FLOAT_MODE_P (DFmode)
4914 (*movdf_internal): Use IS_STACK_MODE macro.
4915 (*movsf_internal): Ditto.
4917 2016-05-23 Marc Glisse <marc.glisse@inria.fr>
4919 * match.pd (a * (1 << b), ~x & ~y, ~X ^ ~Y, (X ^ Y) ^ Y, ~ (-A),
4920 ~ (A - 1), ~(~X >> Y), ~(~X >>r Y)): Relax constraints.
4922 2016-05-23 Jeff Law <law@redhat.com>
4924 * tree-ssa-threadbackward.c (profitable_jump_thread_path): New function
4926 (fsm_find_control_statement_thread_paths): Call it.
4928 2016-05-23 Martin Jambor <mjambor@suse.cz>
4931 * ipa-cp.c (ipa_get_indirect_edge_target_1): Only check value of
4932 from_global_constant if t is not NULL.
4934 2016-05-23 Marek Polacek <polacek@redhat.com>
4937 * common.opt (Wswitch-unreachable): New option.
4938 * doc/invoke.texi: Document -Wswitch-unreachable.
4939 * gimplify.c (gimplify_switch_expr): Implement the -Wswitch-unreachable
4942 2016-05-23 Bin Cheng <bin.cheng@arm.com>
4944 * tree-ssa-address.c (copy_ref_info): Check NULL TMR_STEP when
4945 TMR_INDEX is non-NULL.
4947 2016-05-23 Richard Biener <rguenther@suse.de>
4949 PR tree-optimization/71230
4950 * tree-ssa-reassoc.c (acceptable_pow_call): Move initial condition...
4951 (try_special_add_to_ops): ... here. Always test for single-use.
4953 2016-05-23 Martin Jambor <mjambor@suse.cz>
4955 * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Create an empty
4956 default block if a PHI node in the original one would be resized.
4958 2016-05-23 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
4960 PR tree-optimization/58135
4961 * tree-vect-slp.c: When group size is not multiple
4962 of vector size, allow splitting of store group at
4965 2016-05-23 Christophe Lyon <christophe.lyon@linaro.org>
4967 * config/arm/arm_neon.h (vtst_p16, vtstq_p16): New.
4969 2016-05-22 Jakub Jelinek <jakub@redhat.com>
4971 * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
4972 vec_set_hi_<mode><mask_name>): Add && <mask_avx512dq_condition>
4973 condition. For !TARGET_AVX512DQ, emit 32x4 instruction instead
4976 * config/i386/sse.md (vec_set_lo_v16hi, vec_set_hi_v16hi,
4977 vec_set_lo_v32qi, vec_set_hi_v32qi): Add alternative with
4978 v constraint instead of x and vinserti32x4 insn.
4980 * config/i386/sse.md (i128vldq): New mode iterator.
4981 (avx2_vbroadcasti128_<mode>, avx_vbroadcastf128_<mode>): Add
4982 avx512dq and avx512vl alternatives.
4984 * config/i386/sse.md (avx2_vec_dupv4df): Use v instead of x
4985 constraint, use maybe_evex prefix instead of vex.
4986 (vec_dupv4sf): Use v constraint instead of x for output
4987 operand except for noavx alternative, use Yv constraint
4988 instead of x for input. Use maybe_evex prefix instead of vex.
4989 (*vec_dupv4si): Likewise.
4990 (*vec_dupv2di): Likewise.
4992 2016-05-22 Kugan Vivekanandarajah <kuganv@linaro.org>
4995 * tree-ssa-reassoc.c (try_special_add_to_ops): New.
4996 (linearize_expr_tree): Call try_special_add_to_ops.
4997 (reassociate_bb): Convert MULT_EXPR by (-1) to NEGATE_EXPR.
4999 2016-05-21 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
5001 * config/avr/avr.c (avr_expand_prologue): Add INCOMING_FRAME_SP_OFFSET
5002 to computed stack_usage.
5004 2016-05-21 Pitchumani Sivanupandi <pitchumani.s@atmel.com>
5007 * config/avr/avr.md (define_expand "mov<mode>"): If the source
5008 operand is subreg (symbol_ref) then move the symbol ref to register.
5010 2016-05-21 Jan Hubicka <hubicka@ucw.cz>
5012 * tree.c (array_at_struct_end_p): Look through MEM_REF.
5014 2016-05-21 Kugan Vivekanandarajah <kuganv@linaro.org>
5017 * tree-ssa-reassoc.c (transform_add_to_multiply): Disallow float
5020 2016-05-20 Eric Botcazou <ebotcazou@adacore.com>
5022 * tree-vrp.c (compare_values_warnv): Simplify handling of symbolic
5023 ranges by calling get_single_symbol and tidy up. Look more closely
5024 into NAME + CST1 vs CST2 comparisons if type overflow is undefined.
5026 2016-05-20 Jeff Law <law@redhat.com>
5028 * bitmap.c (bitmap_find_bit): Remove useless test.
5030 2016-05-20 Segher Boessenkool <segher@kernel.crashing.org>
5032 * function.c (thread_prologue_and_epilogue_insns): Commit the
5033 insertion of the epilogue.
5035 2016-05-20 Martin Jambor <mjambor@suse.cz>
5037 PR tree-optimization/70884
5038 * tree-sra.c (initialize_constant_pool_replacements): Do not check
5039 should_scalarize_away_bitmap and cannot_scalarize_away_bitmap bits.
5040 (sort_and_splice_var_accesses): Do not consider multiple scalar reads
5041 of constant pool data as a reason for scalarization.
5043 2016-05-20 Eric Botcazou <ebotcazou@adacore.com>
5045 * config/arm/arm.c (arm_expand_prologue): Set the stack usage to 0
5046 for naked functions.
5047 (thumb1_expand_prologue): Likewise.
5049 2016-05-20 Nathan Sidwell <nathan@acm.org>
5051 * config/nvptx/nptx.c (nvptx_option_override): Only set
5052 flag_toplevel_reorder, if not explicitly specified. Set
5053 flag_no_common, unless explicitly specified.
5055 2016-05-20 David Malcolm <dmalcolm@redhat.com>
5057 * calls.c (can_implement_as_sibling_call_p): Mark param
5058 reg_parm_stack_space with ATTRIBUTE_UNUSED.
5060 2016-05-20 Uros Bizjak <ubizjak@gmail.com>
5062 * config/i386/i386.c (ix86_rtx_costs) <case CONST_DOUBLE>:
5063 Use IS_STACK_MODE when calculating cost of standard 80387 constants.
5064 Fallthru to CONST_VECTOR case to calculate cost of standard SSE
5066 <case CONST_WIDE_INT>: Calculate cost of (MEM (SYMBOL_REF)).
5067 (ix86_legitimate_constant_p): Use CASE_CONST_SCALAR_INT
5070 2016-05-20 Cesar Philippidis <cesar@codesourcery.com>
5072 * config/nvptx/nvptx.md (sincossf3): New pattern.
5074 2016-05-20 David Malcolm <dmalcolm@redhat.com>
5076 * calls.c (maybe_complain_about_tail_call): New function.
5077 (initialize_argument_information): Call
5078 maybe_complain_about_tail_call when clearing *may_tailcall.
5079 (can_implement_as_sibling_call_p): Call
5080 maybe_complain_about_tail_call when returning false.
5081 (expand_call): Read CALL_EXPR_MUST_TAIL_CALL and, if set,
5082 ensure try_tail_call is set. Call maybe_complain_about_tail_call
5083 if tail-call optimization fails.
5084 * cfgexpand.c (expand_call_stmt): Initialize
5085 CALL_EXPR_MUST_TAIL_CALL from gimple_call_must_tail_p.
5086 * gimple-pretty-print.c (dump_gimple_call): Dump
5087 gimple_call_must_tail_p.
5088 * gimple.c (gimple_build_call_from_tree): Call
5089 gimple_call_set_must_tail with the value of
5090 CALL_EXPR_MUST_TAIL_CALL.
5091 * gimple.h (enum gf_mask): Add GF_CALL_MUST_TAIL_CALL.
5092 (gimple_call_set_must_tail): New function.
5093 (gimple_call_must_tail_p): New function.
5094 * print-tree.c (print_node): Update printing of TREE_STATIC
5095 to reflect its use for CALL_EXPR_MUST_TAIL_CALL.
5096 * tree-core.h (struct tree_base): Add MUST_TAIL_CALL to the
5097 trailing comment listing applicable flags.
5098 * tree.h (CALL_EXPR_MUST_TAIL_CALL): New macro.
5100 2016-05-20 David Malcolm <dmalcolm@redhat.com>
5102 * calls.c (expand_call): Move "Rest of purposes for tail call
5103 optimizations to fail" to...
5104 (can_implement_as_sibling_call_p): ...this new function, and
5105 split into multiple "if" statements.
5107 2016-05-20 Jan Hubicka <hubicka@ucw.cz>
5109 * cfgloop.h (expected_loop_iterations_unbounded,
5110 expected_loop_iterations): Unconstify.
5111 * cfgloopanal.c (expected_loop_iterations_unbounded): Sanity check the
5112 profile with known upper bound; return 3 when profile is absent.
5113 (expected_loop_iterations): Update.
5115 2016-05-20 Jan Hubicka <hubicka@ucw.cz>
5117 * loop-doloop.c (doloop_optimize): Use get_estimated_loop_iterations_int
5118 and get_max_loop_iterations_int.
5120 2016-05-20 Jan Hubicka <hubicka@ucw.cz>
5122 * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can not produce
5123 realistic upper bounds here.
5125 2016-05-20 Jakub Jelinek <jakub@redhat.com>
5128 * gimple-fold.c (gimple_fold_call): Do not remove lhs of noreturn
5129 calls if the LHS is variable length or has addressable type.
5130 If targets[0]->decl is a noreturn call with void return type and
5131 zero arguments, adjust fntype and remove lhs in that case.
5133 2016-05-20 Marc Glisse <marc.glisse@inria.fr>
5135 PR tree-optimization/71079
5136 PR tree-optimization/71206
5137 * match.pd ((X ^ Y) ^ (X ^ Z)): Convert the arguments.
5139 2016-05-20 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
5141 * tree-vectorizer.c (get_vec_alignment_for_decl): New static function.
5142 (get_vec_alignment_for_array_decl): Likewise.
5143 (get_vec_alignment_for_record_decl): Likewise.
5144 (increase_alignment::execute): Move code to find alignment to
5145 get_vec_alignment_for_array_decl and call get_vec_alignment_for_decl.
5146 (type_align_map): New hash_map.
5148 2016-05-20 Richard Guenther <rguenther@suse.de>
5150 PR tree-optimization/29756
5151 * tree.def (BIT_INSERT_EXPR): New tcc_expression tree code.
5152 * expr.c (expand_expr_real_2): Handle BIT_INSERT_EXPR.
5153 * fold-const.c (operand_equal_p): Likewise.
5154 (fold_ternary_loc): Add constant folding of BIT_INSERT_EXPR.
5155 * gimplify.c (gimplify_expr): Handle BIT_INSERT_EXPR.
5156 * tree-inline.c (estimate_operator_cost): Likewise.
5157 * tree-pretty-print.c (dump_generic_node): Likewise.
5158 * tree-ssa-operands.c (get_expr_operands): Likewise.
5159 * cfgexpand.c (expand_debug_expr): Likewise.
5160 * gimple-pretty-print.c (dump_ternary_rhs): Likewise.
5161 * gimple.c (get_gimple_rhs_num_ops): Handle BIT_INSERT_EXPR.
5162 * tree-cfg.c (verify_gimple_assign_ternary): Verify BIT_INSERT_EXPR.
5163 * tree-ssa.c (non_rewritable_lvalue_p): We can rewrite
5164 vector inserts using BIT_FIELD_REF or MEM_REF on the lhs.
5165 (execute_update_addresses_taken): Do it.
5167 2016-05-20 Richard Biener <rguenther@suse.de>
5169 PR tree-optimization/71185
5170 * tree-ssa-loop-prefetch.c (gather_memory_references): Drop
5171 register operations.
5173 2016-05-20 Richard Biener <rguenther@suse.de>
5175 * tree-if-conv.c (add_bb_predicate_gimplified_stmts): Use
5176 gimple_seq_add_seq_without_update.
5177 (release_bb_predicate): Assert we have no operands to free.
5178 (if_convertible_loop_p_1): Calculate post dominators later.
5179 Do not free BB predicates here.
5180 (combine_blocks): Do not recompute BB predicates.
5181 (version_loop_for_if_conversion): Save BB predicates around
5184 2016-05-19 Segher Boessenkool <segher@kernel.crashing.org>
5186 * function.c (make_epilogue_seq): Remove epilogue_end parameter.
5187 (thread_prologue_and_epilogue_insns): Remove bb_flags. Restructure
5188 code. Ignore sibcalls on EDGE_IGNORE edges.
5189 * shrink-wrap.c (handle_simple_exit): New function. Set EDGE_IGNORE
5190 on edges for sibcalls that run without prologue. The rest of the
5191 function is combined from...
5192 (fix_fake_fallthrough_edge): ... this, and ...
5193 (try_shrink_wrapping): ... a part of this. Remove the bb_with
5194 function argument, make it a local variable.
5196 2016-05-19 Sandra Loosemore <sandra@codesourcery.com>
5198 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Allow
5199 --disable-sjlj-exceptions for TARGET_BI_ARCH to select DWARF-2 EH
5200 for 32-bit mode and SEH for 64-bit.
5201 * config/i386/mingw32.h (SHARED_LIBGCC_UNDEFS_SPEC): Handle
5202 TARGET_64BIT_DEFAULT.
5204 2016-05-19 Ryan Burn <contact@rnburn.com>
5206 * Makefile.in (GTFILES): Add cilk.h and cilk-common.c.
5207 * gengtype.c (open_base_files): Add cilk.h to ifiles.
5209 2016-05-19 Uros Bizjak <ubizjak@gmail.com>
5211 * sched-deps.c (sched_analyze_2) <case TRAP_IF>: Also
5212 force pending loads from memory.
5214 2016-05-19 Kelvin Nilsen <kelvin@gcc.gnu.org>
5216 * config/rs6000/altivec.md (UNSPEC_DARN): New unspec constant.
5217 (UNSPEC_DARN_32): New unspec constant.
5218 (UNSPEC_DARN_RAW): New unspec constant.
5219 (darn_32): New instruction.
5220 (darn_raw): New instruction.
5221 (darn): New instruction.
5222 * config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_0): Add
5223 support and documentation for this macro.
5224 (BU_P9_MISC_1): New macro definition.
5225 (BU_P9_64BIT_MISC_0): New macro definition.
5226 (BU_P9_MISC_0): New macro definition.
5227 (darn_32): New builtin definition.
5228 (darn_raw): New builtin definition.
5229 (darn): New builtin definition.
5230 * config/rs6000/rs6000.c: Add #define RS6000_BUILTIN_0 and #undef
5231 RS6000_BUILTIN_0 directives to surround each occurrence of
5232 #include "rs6000-builtin.def".
5233 (rs6000_builtin_mask_calculate): Add in the RS6000_BTM_MODULO and
5234 RS6000_BTM_64BIT flags to the returned mask, depending on
5236 (def_builtin): Correct an error in the assignments made to the
5237 debugging variable attr_string.
5238 (rs6000_expand_builtin): Add support for no-operand built-in
5240 (builtin_function_type): Remove fatal_error assertion that is no
5242 (rs6000_common_init_builtins): Add support for no-operand built-in
5244 * config/rs6000/rs6000.h (RS6000_BTM_MODULO): New macro
5246 (RS6000_BTM_PURE): Enhance comment to clarify intent of this flag
5248 (RS6000_BTM_64BIT): New macro definition.
5249 * doc/extend.texi: Document __builtin_darn (void),
5250 __builtin_darn_raw (void), and __builtin_darn_32 (void) built-in
5253 2016-05-19 Jan Hubicka <hubicka@ucw.cz>
5255 * tree-vect-loop.c (vect_analyze_loop_2): Use also
5256 max_loop_iterations_int.
5258 2016-05-19 Marek Polacek <polacek@redhat.com>
5260 PR tree-optimization/71031
5261 * tree-vrp.c (extract_range_from_binary_expr_1): Turn assert into a
5262 condition and adjust the code a bit.
5264 2016-05-19 Martin Liska <mliska@suse.cz>
5266 * tree-vect-stmts.c (vectorizable_simd_clone_call): Utilize
5267 auto_vec instead of vec.
5269 2016-05-19 Martin Liska <mliska@suse.cz>
5271 * tree-parloops.c (oacc_entry_exit_ok): Release a vector.
5273 2016-05-19 Martin Liska <mliska@suse.cz>
5275 * tree-if-conv.c (ifcvt_repair_bool_pattern): Utilize auto_vecs.
5277 2016-05-19 Martin Liska <mliska@suse.cz>
5279 * ipa-pure-const.c (set_function_state): Remove an existing
5281 (remove_node_data): Do not free it as it's released
5282 in set_function_state.
5284 2016-05-19 Martin Liska <mliska@suse.cz>
5286 * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Release
5289 2016-05-19 Martin Liska <mliska@suse.cz>
5291 * omp-simd-clone.c (simd_clone_adjust): Release vector.
5293 2016-05-19 Martin Liska <mliska@suse.cz>
5295 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Truncate
5296 an auto_vec instead of re-creating it.
5298 2016-05-19 Martin Liska <mliska@suse.cz>
5300 * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Use
5301 auto_vec instead of vec.
5303 2016-05-19 Martin Liska <mliska@suse.cz>
5305 * lto-section-in.c (lto_get_section_data): Call
5306 lto_check_version with additional argument.
5307 * lto-streamer.c (lto_check_version): Add new argument.
5308 * lto-streamer.h (lto_check_version): Likewise.
5310 2016-05-19 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5312 * config/arm/arm.c (arm_new_rtx_costs, SIGN_EXTEND case):
5313 Don't add cost of inner memory when handling sign-extended loads.
5315 2016-05-19 Ilya Enkovich <ilya.enkovich@intel.com>
5317 PR rtl-optimization/71148
5318 * cse.c (cse_main): Free dominance info.
5319 (rest_of_handle_cse): Don't free dominance info.
5320 (rest_of_handle_cse2): Likewise.
5321 (rest_of_handle_cse_after_global_opts): Likewise.
5323 2016-05-19 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5326 * config/arm/arm-builtins.c (arm_builtin_vectorized_function): Return
5327 NULL_TREE early if NEON is not available. Remove now redundant check
5328 in ARM_CHECK_BUILTIN_MODE.
5330 2016-05-19 Maxim Ostapenko <m.ostapenko@samsung.com>
5333 * cppbuiltin.c (define_builtin_macros_for_compilation_flags): Add new
5334 builtin __SANITIZE_THREAD__ macros for fsanitize=thread switch.
5335 * doc/cpp.texi: Document new macros.
5337 2016-05-19 Bin Cheng <bin.cheng@arm.com>
5339 PR tree-optimization/69848
5340 * tree-vect-loop.c (vectorizable_reduction): Don't factor
5341 comparison expr out of VEC_COND_EXPR for COND_REDUCTION.
5343 2016-05-19 Segher Boessenkool <segher@kernel.crashing.org>
5345 * function.c (thread_prologue_and_epilogue_insn): Move the
5346 "goto epilogue_done" one block later.
5348 2016-05-19 Richard Biener <rguenther@suse.de>
5350 PR tree-optimization/70729
5351 * passes.def: Move LIM pass before PRE. Remove no longer
5352 required copyprop and move first DCE out of the loop pipeline.
5354 2016-05-18 David Malcolm <dmalcolm@redhat.com>
5357 * Makefile.in (GCC_OBJS): Move spellcheck.o to...
5358 (OBJS-libcommon-target): ...here.
5359 * opts-common.c: Include spellcheck.h.
5360 (cmdline_handle_error): Build a vec of valid options and use it
5361 to suggest provide hints for misspelled arguments.
5363 2016-05-18 Jakub Jelinek <jakub@redhat.com>
5366 * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Don't drop
5367 lhs if it has TREE_ADDRESSABLE type.
5369 2016-05-18 Uros Bizjak <ubizjak@gmail.com>
5372 * config/alpha/alpha.md (trap): Add (use (reg:DI 29)).
5373 (*exception_receiver_1): Return "#" for TARGET_EXPLICIT_RELOCS.
5375 2016-05-18 Martin Jambor <mjambor@suse.cz>
5378 * ipa-cp.c (ipa_get_jf_pass_through_result): Allow non-ip constant
5379 input for NOP_EXPR pass-through functions.
5380 * ipa-prop.c (ipa_compute_jump_functions_for_edge): Allow
5381 aggregate global constant VAR_DECLs in constant jump functions.
5383 2016-05-18 Martin Jambor <mjambor@suse.cz>
5386 * ipa-prop.c (parm_preserved_before_stmt_p): Return true for loads
5387 from TREE_READONLY parameters.
5389 2016-05-18 Martin Jambor <mjambor@suse.cz>
5392 * cgraph.h (cgraph_indirect_call_info): New field
5393 guaranteed_unmodified.
5394 * ipa-cp.c (ipa_get_indirect_edge_target_1): Also pass parameter value
5395 to ipa_find_agg_cst_for_param, check guaranteed_unmodified when
5397 * ipa-inline-analysis.c (evaluate_conditions_for_known_args): Also
5398 pass the parameter value to ipa_find_agg_cst_for_param.
5399 * ipa-prop.c (ipa_load_from_parm_agg): New parameter
5400 guaranteed_unmodified, store AA results there instead of bailing out
5402 (ipa_note_param_call): Also initialize guaranteed_unmodified flag.
5403 (ipa_analyze_indirect_call_uses): Also set guaranteed_unmodified flag.
5404 (find_constructor_constant_at_offset): New function.
5405 (ipa_find_agg_cst_from_init): Likewise.
5406 (ipa_find_agg_cst_for_param): Also seearch for aggregate values in
5407 static initializers of contants, report back through a new paameter
5408 from_global_constant if that was the case.
5409 (try_make_edge_direct_simple_call): Also pass parameter value to
5410 ipa_find_agg_cst_for_param, check guaranteed_unmodified when
5412 (ipa_write_indirect_edge_info): Stream new flag guaranteed_unmodified.
5413 (ipa_read_indirect_edge_info): Likewise.
5414 * ipa-prop.h (ipa_find_agg_cst_for_param): Update declaration.
5415 (ipa_load_from_parm_agg): Likewise.
5417 2016-05-18 Jiong Wang <jiong.wang@arm.com>
5419 PR rtl-optimization/71150
5420 * lra-constraint (process_addr_reg): Guard "in_class_p" with REG_P
5423 2016-05-18 Michael Meissner <meissner@linux.vnet.ibm.com>
5426 * config/rs6000/constraints.md (wE constraint): New constraint
5427 for a vector constant that can be loaded with XXSPLTIB.
5428 (wM constraint): New constraint for a vector constant of a 1's.
5429 (wS constraint): New constraint for a vector constant that can be
5430 loaded with XXSPLTIB and a vector sign extend instruction.
5431 * config/rs6000/predicates.md (xxspltib_constant_split): New
5432 predicates for wE/wS constraints.
5433 (xxspltib_constant_nosplit): Likewise.
5434 (easy_vector_constant): Add support for constants that can be
5435 loaded via XXSPLTIB.
5436 (all_ones_constant): New predicate for vector constant with all
5438 (splat_input_operand): Add support for ISA 3.0 word splat operations.
5439 * config/rs6000/rs6000.c (xxspltib_constant_p): New function to
5440 return if a constant can be loaded with the ISA 3.0 XXSPLTIB
5441 instruction and possibly with a sign extension.
5442 (output_vec_const_move): Add support for XXSPLTIB. If we are
5443 loading up 0/-1 into Altivec registers, prefer using VSPLTISW
5444 instead of XXLXOR/XXLORC.
5445 (rs6000_expand_vector_init): Add support for ISA 3.0 word splat
5447 (rs6000_legitimize_reload_address): Likewise.
5448 (rs6000_output_move_128bit): Use output_vec_const_move to emit
5450 * config/rs6000/vsx.md (VSX_M): Add TImode (if -mvsx-timode) and
5451 combine VSX_M and VSX_M2 into one iterator.
5453 (VSINT_84): New iterators for loading constants with XXSPLTIB.
5454 (VSINT_842): Likewise.
5455 (UNSPEC_VSX_SIGN_EXTEND): New UNSPEC.
5456 (xxspltib_v16qi): New insns to load up constants with the ISA 3.0
5457 XXSPLTIB instruction.
5458 (xxspltib_<mode>_nosplit): Likewise.
5459 (xxspltib_<mode>_split): New insn to load up constants with
5460 XXSPLTIB and a sign extend instruction.
5461 (vsx_mov<mode>): Replace single move that handled all vector types
5462 with separate 32-bit and 64-bit moves. Combine the movti_<bit>
5463 moves (when -mvsx-timode is in effect) into the main vector
5464 moves. Eliminate separate moves for <VSr> <VSa>, where the
5465 preferred register class (<VSr>) is listed first, and the
5466 secondary register class (<VSa>) is listed second with a '?' to
5467 discourage use. Prefer loading 0/-1 in any VSX register for ISA
5468 3.0, and Altivec registers for ISA 2.06/2.07 (PR target/70915) so
5469 that if the register was involved in a slow operation, the
5470 clear/set operation does not wait for the slow operation to
5471 finish. Adjust the length attributes for 32-bit mode. Use
5472 rs6000_output_move_128bit and drop the use of the string
5473 instructions for 32-bit movti when -mvsx-timode is in effect. Use
5474 spacing so that the alternatives and attributes don't generate
5475 long lines, and put things in columns, so that it is easier to
5476 match up the operands and attributes with the insn alternatives.
5477 (vsx_mov<mode>_64bit): Likewise.
5478 (vsx_mov<mode>_32bit): Likewise.
5479 (vsx_movti_64bit): Fold movti into normal vector moves.
5480 (vsx_movti_32bit): Likewise.
5481 (vsx_splat_<mode>, V4SI/V4SF modes): Add support for ISA 3.0 word
5483 (vsx_splat_v4si_internal): Likewise.
5484 (vsx_splat_v4sf_internal): Likewise.
5485 (vector fusion peepholes): Use VSX_M instead of VSX_M2.
5486 (vsx_sign_extend_qi_<mode>): New ISA 3.0 instructions to sign
5487 extend vector elements.
5488 (vsx_sign_extend_hi_<mode>): Likewise.
5489 (vsx_sign_extend_si_v2di): Likewise.
5490 * config/rs6000/rs6000-protos.h (xxspltib_constant_p): Add
5492 * doc/md.texi (PowerPC constraints): Document the wE, wM, and wS
5493 constraints. Add trailing period to wL documentation.
5495 2016-05-18 Richard Sandiford <richard.sandiford@arm.com>
5498 * tree-dfa.h (replace_abnormal_ssa_names): Declare.
5499 * tree-dfa.c (replace_abnormal_ssa_names): New function.
5500 * tree-call-cdce.c: Include tree-dfa.h.
5501 (can_guard_call_p): New function, extracted from...
5502 (can_use_internal_fn): ...here.
5503 (shrink_wrap_one_built_in_call_with_conds): Remove failure path
5505 (shrink_wrap_one_built_in_call): Likewise.
5506 (use_internal_fn): Likewise.
5507 (shrink_wrap_conditional_dead_built_in_calls): Update accordingly
5508 and return void. Call replace_abnormal_ssa_names.
5509 (pass_call_cdce::execute): Check can_guard_call_p during the
5510 initial walk. Assume shrink_wrap_conditional_dead_built_in_calls
5511 will always change something.
5513 2016-05-18 Martin Jambor <mjambor@suse.cz>
5516 * ipa-prop.c (determine_locally_known_aggregate_parts): Bail out early
5517 if parameter PARAM_IPA_MAX_AGG_ITEMS is zero.
5519 2016-05-18 Martin Jambor <mjambor@suse.cz>
5522 * ipa-inline.h (condition): New field size.
5523 * ipa-inline-analysis.c (add_condition): New parameter SIZE, use it
5524 for comaprison and store it into the new condition.
5525 (evaluate_conditions_for_known_args): Use condition size to check
5526 access sizes for all but CHANGED conditions.
5527 (unmodified_parm_1): New parameter size_p, store access size into it.
5528 (unmodified_parm): Likewise.
5529 (unmodified_parm_or_parm_agg_item): Likewise.
5530 (eliminated_by_inlining_prob): Pass NULL to unmodified_parm as size_p.
5531 (set_cond_stmt_execution_predicate): Extract access sizes and store
5533 (set_switch_stmt_execution_predicate): Likewise.
5534 (will_be_nonconstant_expr_predicate): Likewise.
5535 (will_be_nonconstant_predicate): Likewise.
5536 (inline_read_section): Stream condition size.
5537 (inline_write_summary): Likewise.
5539 2016-05-18 Richard Biener <rguenther@suse.de>
5541 * tree-ssa-loop-im.c (determine_max_movement): Properly add
5542 condition cost to PHI cost instead of total_cost.
5544 2016-05-18 Martin Liska <mliska@suse.cz>
5547 * ipa-icf.c (sem_variable::merge): Set DECL_PT_UID for
5550 2016-05-18 Richard Biener <rguenther@suse.de>
5552 * lto-streamer.h (LTO_major_version): Bump to 6.
5554 2016-05-18 Segher Boessenkool <segher@kernel.crashing.org>
5556 * function.c (make_split_prologue_seq, make_prologue_seq,
5557 make_epilogue_seq): New functions, factored out from...
5558 (thread_prologue_and_epilogue_insns): Here.
5560 2016-05-18 Segher Boessenkool <segher@kernel.crashing.org>
5562 * function.c (rest_of_handle_thread_prologue_and_epilogue): Call
5563 cleanup_cfg with CLEANUP_EXPENSIVE after shrink-wrapping instead
5564 of before. Add a comment.
5566 2016-05-18 Bin Cheng <bin.cheng@arm.com>
5568 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Check invariant
5569 expression pointer, not pointer to the pointer.
5571 2016-05-18 Jakub Jelinek <jakub@redhat.com>
5573 * config/i386/sse.md (pbroadcast_evex_isa): New mode attr.
5574 (avx2_pbroadcast<mode>): Add another alternative with v instead
5575 of x constraints in it, using <pbroadcast_evex_isa> isa.
5576 (avx2_pbroadcast<mode>_1): Similarly, add two such alternatives.
5578 * config/i386/sse.md (<ssse3_avx2>_palignr<mode>): Use
5579 constraint x instead of v in second alternative, add avx512bw
5582 * config/i386/sse.md (<ssse3_avx2>_pshufb<mode>3<mask_name>): Use
5583 constraint x instead of v in second alternative, add avx512bw
5586 * config/i386/sse.md (*<ssse3_avx2>_pmulhrsw<mode>3<mask_name>): Use
5587 constraint x instead of v in second alternative, add avx512bw
5590 * config/i386/sse.md (avx2_pmaddubsw256, ssse3_pmaddubsw128): Add
5591 avx512bw alternative.
5593 2016-05-18 Kirill Yukhin <kirill.yukhin@intel.com>
5595 * config/i386/sse.md (define_insn "*andnot<mode>3"): Extend static
5597 (define_insn "*andnottf3"): Ditto.
5598 (define_insn "*<code><mode>3"/any_logic): Ditto.
5599 (define_insn "*<code>tf3"/any_logic): Ditto.
5600 (define_insn "sse2_storehpd"): Use Yv constraint for scalar
5601 operand to block AVX-512VL insn variant emit when it is not enabled.
5603 2016-05-18 Kirill Yukhin <kirill.yukhin@intel.com>
5605 * config/i386/sse.md (define_insn "*vec_concatv2sf_sse4_1"): Use 'Yv'
5606 constraint fot SF mode.
5608 2016-05-18 Petr Murzin <petr.murzin@intel.com>
5609 Kirill Yukhin <kirill.yukhin@intel.com>
5611 * config/i386/sse.md (define_insn "srcp14<mode>"): Use proper operand
5613 (define_insn "rsqrt14<mode>"): Ditto.
5614 (define_insn "<mask_codefor>avx512dq_cvtps2qqv2di<mask_name>"): Ditto.
5615 (define_insn "<fixsuffix>fix_truncv2sfv2di2<mask_name>"): Ditto.
5616 (define_insn "avx512f_<code>v8div16qi2_mask_store"): Ditto.
5617 (define_insn "vec_set_hi_<mode><mask_name>"): Ditto.
5618 (define_insn "<mask_codefor>avx512dq_broadcast<mode><mask_name>"):
5620 (define_insn "*avx512f_gatherdi<mode>"): Ditto.
5621 (define_insn "*avx512f_scatterdi<mode>"): Ditto.
5622 * config/i386/i386.c (ix86_print_operand): Expand check for size
5623 override codes for Intel syntax.
5625 2016-05-18 Richard Biener <rguenther@suse.de>
5627 PR tree-optimization/71168
5628 * tree-loop-distribution.c (distribute_loop): Move *destroy_p
5629 initialization earlier.
5631 2016-05-18 James Greenhalgh <james.greenhalgh@arm.com>
5633 * config/aarch64/aarch64-simd.md
5634 (aarch64_reduc_plus_internal<mode>): Rename to...
5635 (reduc_plus_scal): ...This, and remove previous implementation.
5637 2016-05-18 Richard Biener <rguenther@suse.de>
5639 * passes.def: Put late dse and cd_dce in canonical order.
5641 2016-05-17 Jan Hubicka <hubicka@ucw.cz>
5643 * ipa-inline-transform.c (preserve_function_body_p): Look for
5644 first non-thunk clone.
5645 (save_function_body): Save into first non-thunk.
5646 * lto-cgraph.c (lto_output_edge): When streaming thunk do not look
5648 (lto_output_node): Inline thunks don't need body in every
5650 * lto-streamer-in.c: Do not fixup thunk clones.
5651 * cgraphclones.c (cgraph_node::create_edge_including_clone): Skip
5653 * tree-inline.c (copy_bb): Be prepared for target node to be new after
5656 2016-05-17 Kugan Vivekanandarajah <kuganv@linaro.org>
5659 * tree-ssa-reassoc.c (transform_add_to_multiply): New.
5660 (reassociate_bb): Call transform_add_to_multiply.
5662 2016-05-17 Kugan Vivekanandarajah <kuganv@linaro.org>
5664 * config/aarch64/aarch64.c (all_extensions): Removed unused
5667 2016-05-17 Nathan Sidwell <nathan@acm.org>
5669 * config/nvptx/nvptx.c (nvptx_function_arg_boundary): New.
5670 (TARGET_FUNCTION_ARG_BOUNDARY): Override.
5672 2016-05-17 Mikhail Maltsev <maltsevm@gmail.com>
5674 PR tree-optimization/54579
5676 * match.pd (~(~X >> Y), ~(~X >>r Y), ~(~X <<r Y)): New patterns.
5678 2016-05-17 Marek Polacek <polacek@redhat.com>
5681 * tree-inline.c (expand_call_inline): Call
5682 maybe_remove_unused_call_args.
5684 2016-05-17 Jim Wilson <jim.wilson@linaro.org>
5686 * doc/cpp.texi (__GNUC__): Major version changes are no longer rare.
5687 * doc/invoke.texi (-mnan=2008): Change signalling to signaling.
5688 * doc/md.texi (fmin@var{m}3): Likewise.
5690 2016-05-17 Marc Glisse <marc.glisse@inria.fr>
5692 * match.pd (X & C): New transformation.
5694 2016-05-17 Marc Glisse <marc.glisse@inria.fr>
5696 * match.pd (~X & Y): New transformation.
5698 2016-05-17 Marc Glisse <marc.glisse@inria.fr>
5700 * tree-vrp.c (simplify_truth_ops_using_ranges): Set range
5701 information for new SSA_NAME.
5702 (simplify_conversion_using_ranges): Get range through get_range_info
5703 instead of get_value_range.
5705 2016-05-17 Jiong Wang <jiong.wang@arm.com>
5707 * config/aarch64/arm_neon.h (vmvn_s8): Reimplement using C operator.
5708 Remove inline assembly.
5709 (vmvn_s16): Likewise.
5710 (vmvn_s32): Likewise.
5711 (vmvn_u8): Likewise.
5712 (vmvn_u16): Likewise.
5713 (vmvn_u32): Likewise.
5714 (vmvnq_s8): Likewise.
5715 (vmvnq_s16): Likewise.
5716 (vmvnq_s32): Likewise.
5717 (vmvnq_u8): Likewise.
5718 (vmvnq_u16): Likewise.
5719 (vmvnq_u32): Likewise.
5720 (vmvn_p8): Likewise.
5721 (vmvnq_p16): Likewise.
5723 2016-05-17 Jiong Wang <jiong.wang@arm.com>
5725 * config/aarch64/aarch64-simd.md (vmul_n_f32): Remove inline assembly.
5727 (vmul_n_s16): Likewise.
5728 (vmul_n_s32): Likewise.
5729 (vmul_n_u16): Likewise.
5730 (vmul_n_u32): Likewise.
5731 (vmulq_n_f32): Likewise.
5732 (vmulq_n_f64): Likewise.
5733 (vmulq_n_s16): Likewise.
5734 (vmulq_n_s32): Likewise.
5735 (vmulq_n_u16): Likewise.
5736 (vmulq_n_u32): Likewise.
5738 2016-05-17 Jiong Wang <jiong.wang@arm.com>
5740 * config/aarch64/aarch64-simd.md (*aarch64_mul3_elt_to_128df): Extend
5741 to all supported modes. Rename to "*aarch64_mul3_elt_from_dup".
5743 2016-05-17 Jiong Wang <jiong.wang@arm.com>
5745 * config/aarch64/aarch64-simd.md (*aarch64_fma4_elt_to_128df): Rename
5746 to *aarch64_fma4_elt_from_dup<mode>.
5747 (*aarch64_fnma4_elt_to_128df): Rename to
5748 *aarch64_fnma4_elt_from_dup<mode>.
5749 * config/aarch64/arm_neon.h (vfma_n_f64): New.
5750 (vfms_n_f32): Likewise.
5751 (vfms_n_f64): Likewise.
5752 (vfmsq_n_f32): Likewise.
5753 (vfmsq_n_f64): Likewise.
5755 2016-05-17 Gerald Pfeifer <gerald@pfeifer.com>
5757 * wide-int.h: Change fixed_wide_int_storage from class to struct.
5759 2016-05-17 Richard Biener <rguenther@suse.de>
5761 PR tree-optimization/71132
5762 * tree-loop-distribution.c (create_rdg_cd_edges): Pass in loop.
5763 Only add control dependences for blocks in the loop.
5764 (build_rdg): Adjust.
5765 (generate_code_for_partition): Return whether loop should
5766 be destroyed and delay that.
5767 (distribute_loop): Likewise.
5768 (pass_loop_distribution::execute): Record loops to be destroyed
5769 and perform delayed destroying of loops.
5771 2016-05-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5774 * config/aarch64/aarch64-simd.md (aarch64_vmls<mode>): Delete.
5776 2016-05-17 James Greenhalgh <james.greenhalgh@arm.com>
5778 * config/aarch64/aarch64-elf.h (ASM_OUTPUT_DEF): Delete.
5780 2016-05-17 Ilya Enkovich <ilya.enkovich@intel.com>
5783 * config/i386/i386.c (dimode_scalar_chain::convert_op): Fix
5784 insertion point for instructions generated by validize_mem.
5786 2016-05-17 James Greenhalgh <james.greenhalgh@arm.com>
5788 * config/aarch64/aarch64.c (SHIFT_COUNT_TRUNCATED): Wrap definition
5791 2016-05-17 James Greenhalgh <james.greenhalgh@arm.com>
5793 * config/aarch64/aarch64.c
5794 (aarch64_output_simd_mov_immediate): Make "buf_size" a variable
5795 rather than a macro.
5797 2016-05-16 Wilco Dijkstra <wdijkstr@arm.com>
5799 * doc/invoke.texi (AArch64 Options): Various updates.
5801 2016-05-16 Jan Hubicka <hubicka@ucw.cz>
5803 * ipa-inline-analysis.c (compute_inline_parameters): Disable inlinig
5804 into instrumentation thunks.
5805 * cif-code.def (CIF_CHKP): New.
5807 2016-05-16 Uros Bizjak <ubizjak@gmail.com>
5809 * config/i386/xopintrin.h: Correct "unsinged" typo in the comments.
5811 2016-05-16 Martin Jambor <mjambor@suse.cz>
5813 * hsa-gen.c (fillup_for_decl): Increase alignment to natural one.
5814 (get_symbol_for_decl): Sorry if a global symbol in under-aligned.
5816 2016-05-16 Marek Polacek <polacek@redhat.com>
5818 * gimple.c (maybe_remove_unused_call_args): Fix typos in the
5821 2016-05-16 Martin Jambor <mjambor@suse.cz>
5824 * omp-low.c (grid_expand_target_grid_body): Copy RESULT_DECL of
5825 the outlined kernel function.
5827 2016-05-16 Robert Suchanek <robert.suchanek@imgtec.com>
5829 * config/mips/mips.h (ISA_HAS_LSA): Enable for -mmsa.
5830 (ISA_HAS_DLSA): Ditto.
5832 2016-05-16 Matthew Fortune <matthew.fortune@imgtec.com>
5834 * config/mips/m5100.md (m51_int_load): Update the latency to 2.
5836 2016-05-16 Nathan Sidwell <nathan@acm.org>
5838 * config/nvptx/nvptx.c (nvptx_mangle_decl_assembler_name): Revert.
5839 (nvptx_name_replacement): Restore. Add comment.
5840 (write_fn_proto, write_fn_proto_from_insn,
5841 nvptx_output_call_insn): Restore
5842 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Delete.
5844 2016-05-16 Wilco Dijkstra <wdijkstr@arm.com>
5846 * config/aarch64/aarch64.md
5847 (add<mode>3_compareC_cconly_imm): Remove use of %w.
5848 (add<mode>3_compareC_imm): Likewise.
5849 (<optab>si3_uxtw): Split into register and immediate variants.
5850 (andsi3_compare0_uxtw): Likewise.
5851 (and<mode>3_compare0): Likewise.
5852 (and<mode>3nr_compare0): Likewise.
5853 (stack_protect_test_<mode>): Don't use %x for memory operands.
5855 2016-05-16 Matthew Fortune <matthew.fortune@imgtec.com>
5857 * config/mips/mips-cpus.def (p5600): Add multi-line brackets.
5859 2016-05-16 Wilco Dijkstra <wdijkstr@arm.com>
5861 * config/aarch64/aarch64.md (aarch64_ashl_sisd_or_int_<mode>3):
5862 Split integer shifts into shift_reg and bfm.
5863 (aarch64_lshr_sisd_or_int_<mode>3): Likewise.
5864 (aarch64_ashr_sisd_or_int_<mode>3): Likewise.
5865 (ror<mode>3_insn): Likewise.
5866 (<optab>si3_insn_uxtw): Likewise.
5867 (<optab><mode>3_insn): Change to rotate_imm.
5868 (extr<mode>5_insn_alt): Likewise.
5869 (extrsi5_insn_uxtw): Likewise.
5870 (extrsi5_insn_uxtw_alt): Likewise.
5872 2016-05-16 Matthew Wahab <matthew.wahab@arm.com>
5874 * doc/tm.texi: Regenerate.
5875 * doc/tm.texi.in (TARGET_INVALID_PARAMETER_TYPE): Remove.
5876 (TARGET_INVALID_RETURN_TYPE): Remove.
5877 * system.h: Poison TARGET_INVALID_PARAMETER_TYPE and
5878 TARGET_INVALID_RETURN_TYPE.
5879 * target.def (invalid_parameter_type): Remove.
5880 (invalid_return_type): Remove.
5882 2016-05-16 Jan Hubicka <hubicka@ucw.cz>
5884 * ipa-inline-analysis.c (compute_inline_parameters): Be more reailistic
5885 on estimating thunk bodies; do not set inline_failed to CIF_THUNK for
5887 * ipa-inline-transform.c (inline_call): When inlining into thunk produce
5889 (preserve_function_body_p): No need to preserve function body
5890 * cif-codes.def (CIF_THUNK): Remove.
5891 * cgraphclones.c (duplicate_thunk_for_node): Thunks calls are inlinable.
5893 2016-05-16 Jan Hubicka <hubicka@ucw.cz>
5895 * tree-inline.c (expand_call_inline): recurse after inlining thunk.
5897 2016-05-16 Jan Hubicka <hubicka@ucw.cz>
5899 * tree.c (free_lang_data_in_decl): Also set target/optimization flags
5902 2016-05-16 Jan Hubicka <hubicka@ucw.cz>
5904 * ipa-inline.c (report_inline_failed_reason): Look into thunks, too
5905 (inline_small_functions): Do not look for function symbol when
5908 2016-05-16 Jan Hubicka <hubicka@ucw.cz>
5910 * lto-cgraph.c (compute_ltrans_boundary, output_symtab): Fix handling
5913 2016-05-16 Matthew Wahab <matthew.wahab@arm.com>
5914 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
5915 Jiong Wang <jiong.wang@arm.com>
5917 * config/arm/arm-c.c (arm_cpu_builtins): Use def_or_undef_macro
5918 for __ARM_FP16_FORMAT_IEEE and __ARM_FP16_FORMAT_ALTERNATIVE.
5919 Define __ARM_FP16_ARGS when appropriate.
5920 * config/arm/arm.c (arm_invalid_parameter_type): Remove
5922 (arm_invalid_return_type): Likewise.
5923 (TARGET_INVALID_PARAMETER_TYPE): Remove.
5924 (TARGET_INVALID_RETURN_TYPE): Remove.
5925 (aapcs_vfp_sub_candidate): Allow HFmode.
5926 (aapcs_vfp_allocate): Add comment. Support HFmode.
5927 (aapcs_vfp_allocate_return_reg): Likewise.
5928 (struct aapcs_cp_arg_layout): Slightly reword comments for
5929 is_return_candidate and allocate_return_reg.
5930 (output_mov_vfp): Update assert.
5931 (arm_hard_regno_mode_ok): Remove comment, update HF-mode
5933 (arm_invalid_parameter_type): Remove.
5934 (amr_invalid_return_type): Remove.
5935 * config/arm/arm.h (TARGET_NEON_FP16): Fix definition.
5936 * config/arm/arm.md (*arm32_movhf): Disable for TARGET_VFP.
5937 * config/arm/vfp.md (*movhf_vfp): Enable for TARGET_VFP.
5939 2016-05-16 Matthew Wahab <matthew.wahab@arm.com>
5941 * config/aarch64/aarch64.h (LEGITIMIZE_RELOAD_ADDRESS): Remove.
5942 * config/aarch64/arch64-protos.h
5943 (aarch64_legitimize_reload_address): Remove.
5944 * config/aarch64/aarch64.c (aarch64_legitimize_reload_address):
5947 2016-05-16 Eric Botcazou <ebotcazou@adacore.com>
5949 * configure.ac: Add ACX_NONCANONICAL_HOST.
5950 * configure: Regenerate.
5951 * Makefile.in: Set host_noncanonical.
5953 2016-05-14 Uros Bizjak <ubizjak@gmail.com>
5956 * config/i386/i386.md (*movtf_internal): Before register allocation,
5957 do not allow FP constants for CM_MEDIUM memory model, allow only
5958 standard FP constants for CM_LARGE and CM_LARGE_PIC models.
5959 (*movxf_internal): Ditto.
5960 (*movdf_internal): Ditto.
5961 (*movsf_internal): Ditto.
5963 2016-05-13 Segher Boessenkool <segher@kernel.crashing.org>
5965 PR rtl-optimization/67483
5966 * combine.c (make_compound_operation): Don't call extract_left_shift
5967 with negative shift amounts.
5969 2016-05-13 Jakub Jelinek <jakub@redhat.com>
5972 * fold-const.c (fold_checksum_tree): Allow modification
5973 of TYPE_ALIAS_SET during folding.
5975 * config/i386/i386.c (ix86_compute_frame_layout, ix86_expand_prologue,
5976 ix86_expand_split_stack_prologue): Use HOST_WIDE_INT_C macro.
5977 (ix86_split_to_parts): Likewise. Fix up formatting.
5979 2016-05-13 H.J. Lu <hongjiu.lu@intel.com>
5981 * tree-ssa-loop-ivopts.c (create_new_ivs): Cast to
5982 unsigned HOST_WIDE_INT with HOST_WIDE_INT_PRINT_UNSIGNED in
5985 2016-05-13 Nathan Sidwell <nathan@acm.org>
5987 * config/nvptx/nvptx.c (nvptx_mangle_decl_assembler_name): New.
5988 (nvptx_name_replacement): Delete.
5989 (write_fn_proto, write_fn_proto_from_insn,
5990 nvptx_output_call_insn): Remove nvptx_name_replacement call.
5991 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Override.
5992 * langhooks.c (add_builtin_funcction_common): Call
5993 targetm.mangle_decl_assembler_name.
5995 * config/nvptx/nvptx.c (write_fn_proto): Handle
5996 BUILT_IN_ATOMIC_COMPARE_EXCHANGE_n oddity.
5998 2016-05-13 Martin Liska <mliska@suse.cz>
6000 * tree-ssa-loop-ivopts.c (create_new_ivs): Use HOST_WIDE_INT_PRINT_DEC
6001 and PRIu64 in printf format.
6003 2016-05-13 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
6005 * tree-ssa-loop-ivanon.c (try_unroll_loop_completely): Typo fix in
6008 2016-05-13 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
6010 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
6011 Change --param max-completely-peeled-times to
6012 --param max-completely-peel-times in dump file printing.
6014 2016-05-13 Richard Biener <rguenther@suse.de>
6016 PR tree-optimization/42587
6017 * tree-ssa-math-opts.c (perform_symbolic_merge): Handle BIT_FIELD_REF.
6018 (find_bswap_or_nop_1): Likewise.
6019 (bswap_replace): Likewise.
6021 2016-05-13 Martin Liska <mliska@suse.cz>
6023 * tree-vect-patterns.c (vect_recog_mask_conversion_pattern):
6024 Initialize a variable with default value.
6026 2016-05-13 Martin Liska <mliska@suse.cz>
6028 * doc/invoke.texi: Enhance explanation of error recovery
6031 2016-05-13 Martin Liska <mliska@suse.cz>
6033 * tree-ssa-loop-ivopts.c (avg_loop_niter): Fix coding style.
6034 (struct cost_pair): Change inv_expr_id (int) to inv_expr
6035 (iv_inv_expr_ent *).
6036 (struct iv_inv_expr_ent): Comment struct fields.
6037 (sort_iv_inv_expr_ent): New function.
6038 (struct ivopts_data): Rename inv_expr_id to max_inv_expr_id.
6039 (struct iv_ca): Replace used_inv_expr and num_used_inv_expr with
6040 a hash_map between iv_inv_expr_ent and number of usages.
6041 (niter_for_exit): Fix coding style.
6042 (tree_ssa_iv_optimize_init): Use renamed variable.
6043 (determine_base_object): Fix coding style.
6044 (alloc_iv): Likewise.
6045 (find_interesting_uses_outside): Likewise.
6046 (add_candidate_1): Likewise.
6047 (add_standard_iv_candidates): Likewise.
6048 (set_group_iv_cost): Replace inv_expr_id with inv_expr.
6049 (prepare_decl_rtl): Fix coding style.
6050 (get_address_cost): Likewise.
6051 (get_shiftadd_cost): Likewise.
6052 (force_expr_to_var_cost): Likewise.
6053 (compare_aff_trees): Likewise.
6054 (get_expr_id): Restructure the function.
6055 (get_loop_invariant_expr_id): Renamed to
6056 get_loop_invariant_expr.
6057 (get_computation_cost_at): Replace usage of inv_expr_id with
6059 (get_computation_cost): Likewise.
6060 (determine_group_iv_cost_generic): Likewise.
6061 (determine_group_iv_cost_address): Likewise.
6062 (iv_period): Fix coding style.
6063 (iv_elimination_compare_lt): Likewise.
6064 (may_eliminate_iv): Likewise.
6065 (determine_group_iv_cost_cond): Replace usage of inv_expr_id with
6067 (determine_group_iv_costs): Dump invariant expressions.
6068 (iv_ca_recount_cost): Use the newly added hash_map.
6069 (iv_ca_set_remove_invariants): Fix coding style.
6070 (iv_ca_set_add_invariants): Fix coding style.
6071 (iv_ca_set_no_cp): Utilize the newly added hash_map for used
6073 (iv_ca_set_cp): Likewise.
6074 (iv_ca_new): Initialize the newly added hash_map and remove
6075 initialization of fields.
6076 (iv_ca_free): Delete the hash_map.
6077 (iv_ca_dump): Dump invariant expressions.
6078 (iv_ca_extend): Fix coding style.
6079 (try_add_cand_for): Likewise.
6080 (create_new_ivs): Dump information about # of avg iterations and
6081 # of used invariant expressions.
6082 (rewrite_use_compare): Fix coding style.
6083 (free_loop_data): Set default value for max_inv_expr_id.
6085 2016-05-13 Ilya Enkovich <ilya.enkovich@intel.com>
6087 * cse.c (rest_of_handle_cse): Use cleanup_cfg
6088 returned value cse_cfg_altered computation.
6089 (rest_of_handle_cse2): Likewise.
6090 (rest_of_handle_cse_after_global_opts): Likewise.
6092 2016-05-13 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
6095 * config/arm/arm.c (arm32_output_mi_thunk): New.
6096 (arm_output_mi_thunk): Rename to arm_thumb1_mi_thunk. Rework
6097 to split Thumb1 vs TARGET_32BIT functionality.
6098 (arm_thumb1_mi_thunk): New.
6100 2016-05-13 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
6102 * config/aarch64/aarch64.c (TARGET_OMIT_STRUCT_RETURN_REG): Set
6105 2016-05-13 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6108 * config/i386/i386.c (ix86_in_large_data_p): Guard against NULL exp.
6110 2016-05-13 Eric Botcazou <ebotcazou@adacore.com>
6112 * builtins.c (expand_builtin_memcmp): Do not emit the call here.
6113 (expand_builtin_trap): Emit a regular call.
6114 (set_builtin_user_assembler_name): Remove obsolete cases.
6115 * dse.c (scan_insn): Adjust.
6116 * except.c: Include calls.h.
6117 (sjlj_emit_function_enter): If DONT_USE_BUILTIN_SETJMP is defined,
6118 emit a regular call to setjmp.
6119 * expr.c (emit_block_move_hints): Call emit_block_copy_via_libcall.
6120 (block_move_libcall_safe_for_call_parm): Use memcpy builtin.
6121 (emit_block_move_via_libcall): Delete.
6122 (block_move_fn): Delete.
6123 (init_block_move_fn): Likewise.
6124 (emit_block_move_libcall_fn): Likewise.
6125 (emit_block_op_via_libcall): New function.
6126 (set_storage_via_libcall): Tidy up and use memset builtin.
6127 (block_clear_fn): Delete.
6128 (init_block_clear_fn): Likewise.
6129 (clear_storage_libcall_fn): Likewise.
6130 (expand_assignment): Call emit_block_move_via_libcall.
6131 Do not include gt-expr.h.
6132 * expr.h (emit_block_op_via_libcall): Declare.
6133 (emit_block_copy_via_libcall): New inline function.
6134 (emit_block_move_via_libcall): Likewise.
6135 (emit_block_comp_via_libcall): Likewise.
6136 (block_clear_fn): Delete.
6137 (init_block_move_fn): Likewise.
6138 (init_block_clear_fn): Likewise.
6139 (emit_block_move_via_libcall): Likewise.
6140 (set_storage_via_libcall): Add default parameter value.
6141 * libfuncs.h (enum libfunc_index): Remove obsolete values.
6142 (abort_libfunc): Delete.
6143 (memcpy_libfunc): Likewise.
6144 (memmove_libfunc): Likewise.
6145 (memcmp_libfunc): Likewise.
6146 (memset_libfunc): Likewise.
6147 (setbits_libfunc): Likewise.
6148 (setjmp_libfunc): Likewise.
6149 (longjmp_libfunc): Likewise.
6150 (profile_function_entry_libfunc): Likewise.
6151 (profile_function_exit_libfunc): Likewise.
6152 (gcov_flush_libfunc): Likewise.
6153 * optabs-libfuncs.c (build_libfunc_function): Set DECL_ARTIFICIAL
6154 and DECL_VISIBILITY on the declaration.
6155 (init_optabs): Do not initialize obsolete libfuncs.
6156 * optabs.c (prepare_cmp_insn): Call emit_block_comp_via_libcall.
6157 * tree-core.h (ECF_RET1): Define.
6158 (ECF_TM_PURE): Adjust.
6159 (ECF_TM_BUILTIN): Likewise.
6160 * tree.c (set_call_expr_flags): Deal with ECF_RET1.
6161 (build_common_builtin_nodes): Initialize abort builtin.
6162 Add ECF_RET1 on memcpy, memmove and memset builtins.
6163 Pass final flags for alloca and alloca_with_align builtins.
6164 * config/alpha/alpha.c (alpha_init_libfuncs): Do not initialize
6166 * config/ia64/ia64.c (ia64_vms_init_libfuncs): Likewise.
6167 * config/i386/i386.c (ix86_expand_set_or_movmem): Adjust call to
6168 set_storage_via_libcall and call emit_block_copy_via_libcall.
6170 2016-05-12 Uros Bizjak <ubizjak@gmail.com>
6172 * config/i386/i386.md (*call_got_x32): Change operand 0 to
6173 DImode before it is passed to ix86_output_call_operand.
6174 (*call_value_got_x32): Ditto for operand 1.
6176 2016-05-12 Jiong Wang <jiong.wang@arm.com>
6178 PR rtl-optimization/70904
6179 * lra-constraint.c (process_addr_reg): Relax the restriction on subreg
6180 reload for wide mode.
6182 2016-05-12 Marek Polacek <polacek@redhat.com>
6185 * langhooks-def.h (lhd_incomplete_type_error): Adjust declaration.
6186 * langhooks.c (lhd_incomplete_type_error): Add location parameter.
6187 * langhooks.h (incomplete_type_error): Likewise.
6188 * tree.c (size_in_bytes_loc): Renamed from size_in_bytes. Add location
6189 parameter, pass it down to incomplete_type_error.
6190 * tree.h (size_in_bytes): New inline overload.
6191 (size_in_bytes_loc): Renamed from size_in_bytes.
6193 2016-05-12 Richard Biener <rguenther@suse.de>
6195 PR tree-optimization/71059
6196 * tree-ssa-pre.c (phi_translate_1): Fully fold translated
6197 nary before looking up or entering the expression into the VN
6199 * tree-ssa-sccvn.c (vn_nary_build_or_lookup): Fix comment typo.
6200 Make sure to re-use NARYs without result as inserted by
6203 2016-05-12 Richard Biener <rguenther@suse.de>
6205 PR tree-optimization/71062
6206 * tree-ssa-alias.h (struct pt_solution): Add vars_contains_restrict
6208 * tree-ssa-structalias.c (set_uids_in_ptset): Set
6209 vars_contains_restrict if the var is a restrict tag.
6210 * tree-ssa-alias.c (ptrs_compare_unequal): If vars_contains_restrict
6211 do not disambiguate pointers against it.
6212 (dump_points_to_solution): Re-structure and adjust for new
6213 vars_contains_restrict flag.
6214 * gimple-pretty-print.c (pp_points_to_solution): Likewise.
6216 2016-05-12 Martin Liska <mliska@suse.cz>
6218 * doc/invoke.texi: Explain connection between
6219 -fsanitize-recover=address and ASAN_OPTIONS="halt_on_error=1".
6221 2016-05-12 Ilya Enkovich <ilya.enkovich@intel.com>
6223 PR tree-optimization/71006
6224 * tree-vect-loop.c (vect_determine_vectorization_factor): Don't
6225 consider COND_EXPR as a mask producer.
6227 2016-05-12 Marek Polacek <polacek@redhat.com>
6230 * opts.c (common_handle_option): Detect missing argument for --help^.
6232 2016-05-12 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
6235 * config/arm/arm.c (arm_output_multireg_pop): Avoid POP instruction
6236 when popping the PC and within an interrupt handler routine.
6237 Add missing tab to output of "ldmfd".
6238 (output_return_instruction): Output LDMFD with SP update rather
6239 than POP when returning from interrupt handler.
6241 2016-05-12 Jakub Jelinek <jakub@redhat.com>
6243 * config/i386/i386.md (isa): Add x64_avx512dq, enable if
6244 TARGET_64BIT && TARGET_AVX512DQ.
6245 * config/i386/sse.md (*vec_extract<mode>): Add avx512bw alternatives.
6246 (*vec_extract<PEXTR_MODE12:mode>_zext): Add avx512bw alternative.
6247 (*vec_extract<ssevecmodelower>_0, *vec_extractv4si_0_zext,
6248 *vec_extractv2di_0_sse): Use v constraint instead of x constraint.
6249 (*vec_extractv4si): Add avx512dq and avx512bw alternatives.
6250 (*vec_extractv4si_zext): Add avx512dq alternative.
6251 (*vec_extractv2di_1): Add x64_avx512dq and avx512bw alternatives,
6252 use v instead of x constraint in other alternatives where possible.
6254 * config/i386/sse.md (sse2_loadld): Use v instead of x
6255 constraint in alternatives 0,1,4.
6257 * config/i386/sse.md (pinsr_evex_isa): New mode attr.
6258 (<sse2p4_1>_pinsr<ssemodesuffix>): Add 2 alternatives with
6259 v constraints instead of x and <pinsr_evex_isa> isa attribute.
6262 * config/i386/sse.md (<sse2_avx2>_packssdw<mask_name>,
6263 <sse4_1_avx2>_packusdw<mask_name>): Make sure EVEX encoded insn
6264 is not emitted unless TARGET_AVX512BW.
6265 (<sse2_avx2>_packuswb<mask_name>, <sse2_avx2>_packsswb<mask_name>):
6266 Likewise. For TARGET_AVX512BW, use "=v" constraint instead of "=x"
6267 for the result operand.
6269 * config/i386/sse.md (*vec_setv4sf_sse4_1, sse4_1_insertps): Use v
6270 constraint instead of x in avx alternatives. Use maybe_evex instead
6273 * config/i386/constraints.md (Yv): New constraint.
6274 * config/i386/i386.h (VALID_AVX512VL_128_REG_MODE): Allow
6275 TFmode and V1TImode in xmm16+ registers for TARGET_AVX512VL.
6276 * config/i386/i386.md (avx512fvecmode): New mode attr.
6277 (*pushtf): Use v constraint instead of x.
6278 (*movtf_internal): Likewise. For TARGET_AVX512VL and
6279 xmm16+ registers, use vmovdqu64 or vmovdqa64 instructions.
6280 (*absneg<mode>2): Use Yv constraint instead of x constraint.
6281 (*absnegtf2_sse): Likewise.
6282 (copysign<mode>3_const, copysign<mode>3_var): Likewise.
6283 * config/i386/sse.md (*andnot<mode>3): Add avx512vl and
6284 avx512f alternatives.
6285 (*andnottf3, *<code><mode>3, *<code>tf3): Likewise.
6287 2016-05-12 Richard Biener <rguenther@suse.de>
6289 PR tree-optimization/71060
6290 * tree-data-ref.c (initialize_data_dependence_relation): Do not
6291 require exact match of DR_BASE_OBJECT but only matching address and
6294 2016-05-12 Richard Biener <rguenther@suse.de>
6296 PR tree-optimization/70986
6297 * cfganal.c: Include cfgloop.h.
6298 (dfs_find_deadend): Prefer to take edges exiting loops.
6300 2016-05-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
6302 * gcc.target/powerpc/pr70963.c: Require at least power8 at both
6303 compile and run time.
6305 2016-05-11 Mikhail Maltsev <maltsevm@gmail.com>
6308 * doc/invoke.texi (Wduplicate-decl-specifier): Document new option.
6310 2016-05-11 Uros Bizjak <ubizjak@gmail.com>
6312 * config/i386/i386.c (legitimize_pic_address): Use
6313 copy_to_suggested_reg instead of gen_movsi.
6315 2016-05-11 Michael Meissner <meissner@linux.vnet.ibm.com>
6317 * config/rs6000/predicates.md (quad_memory_operand): Move most of
6318 the code into quad_address_p and call it to share code with
6319 vsx_quad_dform_memory_operand.
6320 (vsx_quad_dform_memory_operand): New predicate for ISA 3.0 vector
6322 * config/rs6000/rs6000.opt (-mlra): Switch to being an option mask
6323 bit instead of being a separate word. Split -mpower9-dform into
6324 two switches, -mpower9-dform-scalar and -mpower9-dform-vector.
6325 * config/rs6000/rs6000.c (RELOAD_REG_QUAD_OFFSET): New addr_mask
6326 for the register class supporting 128-bit quad word memory offsets.
6327 (mode_supports_vsx_dform_quad): Helper function to return if the
6328 register class uses quad word memory offsets.
6329 (rs6000_debug_addr_mask): Add support for quad word memory offsets.
6330 (rs6000_debug_reg_global): Always print if we are using LRA or not.
6331 (rs6000_setup_reg_addr_masks): If ISA 3.0 vector d-form
6332 instructions are enabled, set up the appropriate addr_masks for
6334 (rs6000_init_hard_regno_mode_ok): wb constraint is now based on
6335 -mpower9-dform-scalar, instead of -mpower9-dform.
6336 (rs6000_option_override_internal): Split -mpower9-dform into two
6337 switches, -mpower9-dform-scalar and -mpower9-dform-vector. The
6338 -mpower9-dform switch sets or clears both. If we are not using
6339 the LRA register allocator, do not enable -mpower9-dform-vector by
6340 default. If we are using LRA, enable -mpower9-dform-vector and
6341 -mvsx-timode if it is appropriate. Issue a warning if either
6342 -mpower9-dform-vector or -mvsx-timode are explicitly used without
6344 (quad_address_offset_p): New helper function to return if the
6345 offset is legal for quad word memory instructions.
6346 (quad_address_p): New function to determin if GPR or vector
6347 register quad word memory addresses are legal.
6348 (mem_operand_gpr): Validate quad word address offsets.
6349 (reg_offset_addressing_ok_p): Add support for ISA 3.0 vector
6350 d-form (register + offset) instructions.
6351 (offsettable_ok_by_alignment): Likewise.
6352 (rs6000_legitimate_offset_address_p): Likewise.
6353 (legitimate_lo_sum_address_p): Likewise.
6354 (rs6000_legitimize_address): Likewise.
6355 (rs6000_legitimize_reload_address): Add more debug statements for
6357 (rs6000_legitimate_address_p): Add support for ISA 3.0 vector
6358 d-form instructions.
6359 (rs6000_secondary_reload_memory): Add support for ISA 3.0 vector
6360 d-form instructions. Distinguish different cases in debug
6361 output. (rs6000_secondary_reload_inner): Add support for ISA 3.0 vector
6362 d-form instructions.
6363 (rs6000_preferred_reload_class): Likewise.
6364 (rs6000_output_move_128bit): Add support for ISA 3.0 d-form
6365 instructions. If ISA 3.0 is available, generate lxvx/stxvx instead
6366 of the ISA 2.06 indexed memory instructions.
6367 (rs6000_emit_prologue): If we have ISA 3.0 d-form instructions,
6368 use them to save/restore the saved vector registers instead of
6369 using Altivec instructions.
6370 (rs6000_emit_epilogue): Likewise.
6371 (rs6000_lra_p): Use TARGET_LRA instead of the old option word.
6372 (rs6000_opt_masks): Split -mpower9-dform into
6373 -mpower9-dform-scalar and -mpower9-dform-vector.
6374 (rs6000_print_options_internal): Print -mno-<switch> if <switch>
6376 * config/rs6000/vsx.md (p9_vecload_<mode>): Delete hack to emit
6377 ISA 3.0 vector indexed memory instructions, and fold the code into
6378 the normal mov<mode> patterns.
6379 (p9_vecstore_<mode>): Likewise.
6380 (vsx_mov<mode>): Add support for ISA 3.0 vector d-form
6382 (vsx_movti_64bit): Likewise.
6383 (vsx_movti_32bit): Likewise.
6384 * config/rs6000/constraints.md (wO constraint): New constraint for
6385 ISA 3.0 vector d-form support.
6386 * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Use
6387 -mpower9-dform-scalar instead of -mpower9-dform. Add note not to
6388 include -mpower9-dform-vector until we switch over to LRA.
6389 (POWERPC_MASKS): Add -mlra. Split -mpower9-dform into two.
6390 switches, -mpower9-dform-scalar and -mpower9-dform-vector.
6391 * config/rs6000/rs6000-protos.h (quad_address_p): Add declaration.
6392 * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
6393 for -mpower9-dform and -mlra.
6394 * doc/md.texi (wO constraint): Document wO constraint.
6396 2016-05-11 Alexander Monakov <amonakov@ispras.ru>
6398 * genattr.c (main): Change 'rtx' to 'rtx_insn *' in prototypes of
6399 'insn_latency', 'maximal_insn_latency', 'min_insn_conflict_delay'.
6400 * genautomata.c (output_internal_insn_code_evaluation): Simplify.
6401 Move handling of non-insn arguments inline into the sole user:
6402 (output_trans_func): ...here.
6403 (output_min_insn_conflict_delay_func): Change 'rtx' to 'rtx_insn *'
6404 in emitted function prototype.
6405 (output_internal_insn_latency_func): Ditto. Simplify.
6406 (output_internal_maximal_insn_latency_func): Ditto. Delete
6407 always-unused argument.
6408 (output_insn_latency_func): Ditto.
6409 (output_maximal_insn_latency_func): Ditto.
6411 2016-05-11 Richard Biener <rguenther@suse.de>
6413 PR tree-optimization/71055
6414 * tree-ssa-sccvn.c (vn_reference_lookup_3): When native-interpreting
6415 sth with precision not equal to access size verify we don't chop
6418 2016-05-11 Richard Biener <rguenther@suse.de>
6421 * dwarf2out.c (retry_incomplete_types): Set early_dwarf.
6422 (dwarf2out_finish): Move retry_incomplete_types call ...
6423 (dwarf2out_early_finish): ... here.
6425 2016-05-11 Richard Biener <rguenther@suse.de>
6428 * alias.c (reference_alias_ptr_type): Preserve alias-set zero
6429 if the langhook insists on it.
6430 * fold-const.c (make_bit_field_ref): Add arg for the original
6431 reference and preserve its alias-set.
6432 (decode_field_reference): Take exp by reference and adjust it
6433 to the original memory reference.
6434 (optimize_bit_field_compare): Adjust callers.
6435 (fold_truth_andor_1): Likewise.
6436 * gimplify.c (gimplify_expr): Adjust in-SSA form test.
6438 2016-05-11 Ilya Enkovich <ilya.enkovich@intel.com>
6441 * cfgrtl.h (delete_insn_and_edges): Now return bool.
6442 * cfgrtl.c (delete_insn_and_edges): Likewise.
6443 * config/i386/i386.c (convert_scalars_to_vector): Remove
6445 * cse.c (cse_insn): Compute cse_cfg_altered.
6446 (delete_trivially_dead_insns): Likewise.
6447 (cse_cc_succs): Likewise.
6448 (rest_of_handle_cse): Free dominance info if required.
6449 (rest_of_handle_cse2): Likewise.
6450 (rest_of_handle_cse_after_global_opts): Likewise.
6452 2016-05-11 Alan Modra <amodra@gmail.com>
6454 * config/rs6000/rs6000.c (is_complex_IBM_long_double,
6455 abi_v4_pass_in_fpr): New functions.
6456 (rs6000_function_arg_boundary): Exclude complex IBM long double
6457 from 64-bit alignment when ABI_V4.
6458 (rs6000_function_arg, rs6000_function_arg_advance_1,
6459 rs6000_gimplify_va_arg): Use abi_v4_pass_in_fpr.
6461 2016-05-10 Segher Boessenkool <segher@kernel.crashing.org>
6463 PR rtl-optimization/71028
6464 * cfgcleanup.c (try_optimize_cfg): Do not flip a conditional
6465 jump with just a return in the fallthrough block if the branch
6466 block contains just a return as well.
6468 2016-05-10 Marc Glisse <marc.glisse@inria.fr>
6470 * fold-const.c (fold_binary_loc) [(X ^ Y) & Y]: Remove and merge with...
6471 * match.pd ((X & Y) ^ Y): ... this.
6472 ((X & Y) & Y, (X | Y) | Y, (X ^ Y) ^ Y, (X & Y) & (X & Z), (X | Y)
6473 | (X | Z), (X ^ Y) ^ (X ^ Z)): New transformations.
6475 2016-05-10 David Malcolm <dmalcolm@redhat.com>
6477 * read-md.c (require_char_ws): New function.
6478 (read_string): Simplify using require_char_ws.
6479 (handle_constants): Likewise.
6480 (handle_enum): Likewise.
6481 (handle_file): Likewise.
6482 * read-md.h (require_char_ws): New declaration.
6483 * read-rtl.c (read_conditions): Simplify using require_char_ws.
6484 (read_mapping): Likewise.
6485 (read_rtx_code): Likewise.
6486 (read_nested_rtx): Likewise.
6488 2016-05-10 James Norris <jnorris@codesourcery.com>
6490 * config/rs6000/sysv4.h (CRTOFFLOADBEGIN): Define. Add crtoffloadbegin.o
6491 if offloading is enabled and -fopenacc or -fopenmp is specified.
6492 (CRTOFFLOADEND): Likewise.
6493 (STARTFILE_LINUX_SPEC): Add CRTOFFLOADBEGIN.
6494 (ENDFILE_LINUX_SPEC): Add CRTOFFLOADEND.
6496 2016-05-10 Uros Bizjak <ubizjak@gmail.com>
6498 * config/i386/i386.c (legitimize_pic_address): Merge 64-bit and 32-bit
6499 gotoff_operand code paths. Use copy_to_suggested_regs and
6500 expand_simple_binop where appropriate. Cleanup.
6502 2016-05-10 Ilya Enkovich <ilya.enkovich@intel.com>
6505 * config/i386/i386.c (dimode_scalar_to_vector_candidate_p): Allow
6507 (dimode_scalar_chain::vector_const_cost): New.
6508 (dimode_scalar_chain::compute_convert_gain): Handle constants.
6509 (dimode_scalar_chain::convert_op): Likewise.
6510 (dimode_scalar_chain::convert_insn): Likewise.
6512 2016-05-10 Pierre-Marie de Rodat <derodat@adacore.com>
6514 * dwarf2out.c (resolve_args_picking_1): Consider DW_OP_neg as an
6515 unary operation, not a binary one.
6517 2016-05-10 Ilya Enkovich <ilya.enkovich@intel.com>
6520 * tree-chkp.c (chkp_add_bounds_to_call_stmt): Handle
6521 calls with type casted fndecl.
6523 2016-05-10 Ilya Enkovich <ilya.enkovich@intel.com>
6525 PR tree-optimization/70786
6526 * tree-chkp.c (chkp_find_bounds_1): Support WITH_SIZE_EXPR.
6527 * calls.c (initialize_argument_information): Bind bounds
6528 with corresponding args passed by reference.
6530 2016-05-10 Jakub Jelinek <jakub@redhat.com>
6533 * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>),
6534 *<code><mode>3<mask_name>): For !TARGET_AVX512DQ and EVEX encoding,
6535 use vp*[dq] instead of v*p[sd] instructions and adjust mode attribute
6538 2016-05-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
6541 * config/rs6000/vsx.md (vsx_xvcvdpsxds_scale): Generate correct
6542 code for a zero scale factor.
6543 (vsx_xvcvdpuxds_scale): Likewise.
6545 2016-05-10 David Malcolm <dmalcolm@redhat.com>
6547 * diagnostic-show-locus.c (layout::layout): Call show_ruler
6548 if show_ruler_p was set on the context.
6549 (layout::show_ruler): New method.
6550 * diagnostic.h (struct diagnostic_context): Add field
6553 2016-05-10 Richard Biener <rguenther@suse.de>
6555 PR tree-optimization/71039
6556 * tree-ssa-phiprop.c: Include tree-ssa-loop.h.
6557 (chk_uses): New function.
6558 (propagate_with_phi): Verify we can safely replicate the lhs of an
6559 aggregate assignment on all incoming edges.
6561 2016-05-10 Oleg Endo <olegendo@gcc.gnu.org>
6563 * config/rx/rx-protos.h (is_interrupt_func, is_fast_interrupt_func):
6565 (rx_atomic_sequence): New class.
6566 * config/rx/rx.c (rx_print_operand): Use symbolic names for PSW bits.
6567 (is_interrupt_func, is_fast_interrupt_func): Make non-static and
6569 (rx_atomic_sequence::rx_atomic_sequence,
6570 rx_atomic_sequence::~rx_atomic_sequence): New functions.
6571 * config/rx/rx.md (CTRLREG_PSW, CTRLREG_USP, CTRLREG_FPSW, CTRLREG_CPEN,
6572 CTRLREG_BPSW, CTRLREG_BPC, CTRLREG_ISP, CTRLREG_FINTV,
6573 CTRLREG_INTB): New constants.
6574 (FETCHOP): New code iterator.
6575 (fethcop_name, fetchop_name2): New iterator code attributes.
6576 (QIHI): New mode iterator.
6577 (atomic_exchange<mode>, atomic_exchangesi, xchg_mem<mode>,
6578 atomic_fetch_<fetchop_name>si, atomic_fetch_nandsi,
6579 atomic_<fetchop_name>_fetchsi, atomic_nand_fetchsi): New patterns.
6581 2016-05-10 Martin Liska <mliska@suse.cz>
6583 * tree-inline.c (remap_dependence_clique): Do not remap
6584 debugging statements.
6586 2016-05-10 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
6588 * config/s390/s390.md ("*vec_cmp<insn_cmp>df_cconly")
6589 ("*fixuns_truncdfdi2_z13")
6590 ("*fixuns_trunc<FP:mode><GPR:mode>2_z196")
6591 ("*fix_truncdfdi2_bfp_z13", "*floatunsdidf2_z13")
6592 ("*extendsfdf2_z13"): Replace TARGET_Z13 with TARGET_VX.
6594 2016-05-10 Richard Biener <rguenther@suse.de>
6596 PR tree-optimization/70497
6597 PR tree-optimization/28367
6598 * tree-ssa-sccvn.c (vn_nary_build_or_lookup): New function
6600 (visit_reference_op_load): ... here.
6601 (vn_reference_lookup_3): Use it to handle subreg-like accesses
6602 with simplified BIT_FIELD_REFs.
6603 * tree-ssa-pre.c (eliminate_insert): Handle inserting BIT_FIELD_REFs.
6604 * tree-complex.c (extract_component): Handle BIT_FIELD_REFs
6607 2016-05-10 Pierre-Marie de Rodat <derodat@adacore.com>
6609 * dwarf2out.c (add_abstract_origin_attribute): Adjust
6610 documentation comment. For BLOCK nodes, add a
6611 DW_AT_abstract_origin attribute that points to the DIE generated
6612 for the origin BLOCK.
6613 (gen_lexical_block_die): Call add_abstract_origin_attribute for
6614 blocks from inlined functions.
6616 2016-05-10 Alan Modra <amodra@gmail.com>
6619 * config/rs6000/rs6000.c (rs6000_expand_split_stack_prologue): Stop
6620 regrename modifying insns saving lr before __morestack call.
6621 * config/rs6000/rs6000.md (split_stack_return): Similarly for
6622 insns restoring lr after __morestack call.
6624 2016-05-09 Jakub Jelinek <jakub@redhat.com>
6626 * config/i386/i386.md (set_got, set_got_labelled, lwp_llwpcb,
6627 lwp_lwpval<mode>3, lwp_lwpins<mode>3): Remove constraints from
6629 * config/i386/sse.md (vec_interleave_high<mode>,
6630 vec_interleave_low<mode>, <avx512>_vpermi2var<mode>3_maskz,
6631 <avx512>_vpermt2var<mode>3_maskz): Likewise.
6633 2016-05-04 Aaron Sawdey <acsawdey@linux.vnet.ibm.com>
6635 * config/rs6000/rs6000.c (rs6000_reassociation_width): Add
6636 function for TARGET_SCHED_REASSOCIATION_WIDTH to enable
6637 parallel reassociation for power8 and forward.
6639 2016-05-09 Uros Bizjak <ubizjak@gmail.com>
6641 * config/i386/i386.md (absneg splitters with general regs): Use
6642 general_reg_operand predicate.
6643 (btsq peephole2): Use x86_64_immediate_operand to check if new
6644 value is suitable for immediate operand. Generate emitted insn
6645 using RTL expressions.
6646 (btcq peephole2): Ditto.
6647 (btrq peephole2): Ditto. Generate correct immediate operand
6650 2016-05-09 Richard Sandiford <richard.sandiford@arm.com>
6652 * cfgexpand.c (expand_debug_expr): Fix address offset for negative
6655 2016-05-09 Richard Sandiford <richard.sandiford@arm.com>
6657 * tree-affine.c (wide_int_constant_multiple_p): Add missing
6658 pointer dereference.
6660 2016-05-09 Richard Biener <rguenther@suse.de>
6662 PR tree-optimization/70985
6663 * match.pd (BIT_FIELD_REF -> (type)): Disable on GIMPLE when
6664 op0 isn't a gimple register.
6666 2016-05-09 Prachi Godbole <prachi.godbole@imgtec.com>
6668 * config/mips/i6400.md (i6400_fpu_intadd, i6400_fpu_logic)
6669 (i6400_fpu_div, i6400_fpu_cmp, i6400_fpu_float, i6400_fpu_store)
6670 (i6400_fpu_long_pipe, i6400_fpu_logic_l, i6400_fpu_float_l)
6671 (i6400_fpu_mult): New cpu units.
6672 (i6400_msa_add_d, i6400_msa_int_add, i6400_msa_short_logic3)
6673 (i6400_msa_short_logic2, i6400_msa_short_logic, i6400_msa_move)
6674 (i6400_msa_cmp, i6400_msa_short_float2, i6400_msa_div_d)
6675 (i6400_msa_div_w, i6400_msa_div_h, i6400_msa_div_b)
6676 (i6400_msa_copy, i6400_msa_branch, i6400_fpu_msa_store)
6677 (i6400_fpu_msa_load, i6400_fpu_msa_move, i6400_msa_long_logic1)
6678 (i6400_msa_long_logic2, i6400_msa_mult, i6400_msa_long_float2)
6679 (i6400_msa_long_float4, i6400_msa_long_float5)
6680 (i6400_msa_long_float8, i6400_msa_fdiv_df)
6681 (i6400_msa_fdiv_sf): New reservations.
6682 * config/mips/p5600.md (p5600_fpu_intadd, p5600_fpu_cmp)
6683 (p5600_fpu_float, p5600_fpu_logic_a, p5600_fpu_logic_b)
6684 (p5600_fpu_div, p5600_fpu_logic, p5600_fpu_float_a)
6685 (p5600_fpu_float_b, p5600_fpu_float_c, p5600_fpu_float_d)
6686 (p5600_fpu_mult, p5600_fpu_fdiv, p5600_fpu_load): New cpu units.
6687 (msa_short_int_add, msa_short_logic, msa_short_logic_move_v)
6688 (msa_short_cmp, msa_short_float2, msa_short_logic3)
6689 (msa_short_store4, msa_long_load, msa_short_store)
6690 (msa_long_logic, msa_long_float2, msa_long_float4)
6691 (msa_long_float5, msa_long_float8, msa_long_mult)
6692 (msa_long_fdiv, msa_long_div): New reservations.
6694 2016-05-09 Robert Suchanek <robert.suchanek@imgtec.com>
6695 Sameera Deshpande <sameera.deshpande@imgtec.com>
6696 Matthew Fortune <matthew.fortune@imgtec.com>
6697 Graham Stott <graham.stott@imgtec.com>
6698 Chao-ying Fu <chao-ying.fu@imgtec.com>
6700 * config.gcc: Add MSA header file for mips*-*-* target.
6701 * config/mips/constraints.md (YI, YC, YZ, Unv5, Uuv5, Usv5, Uuv6)
6702 (Ubv8i, Urv8): New constraints.
6703 * config/mips/mips-ftypes.def: Add function types for MSA
6705 * config/mips/mips-modes.def (V16QI, V8HI, V4SI, V2DI, V4SF)
6706 (V2DF, V32QI, V16HI, V8SI, V4DI, V8SF, V4DF): New modes.
6707 * config/mips/mips-msa.md: New file.
6708 * config/mips/mips-protos.h
6709 (mips_split_128bit_const_insns): New prototype.
6710 (mips_msa_idiv_insns): Likewise.
6711 (mips_split_128bit_move): Likewise.
6712 (mips_split_128bit_move_p): Likewise.
6713 (mips_split_msa_copy_d): Likewise.
6714 (mips_split_msa_insert_d): Likewise.
6715 (mips_split_msa_fill_d): Likewise.
6716 (mips_expand_msa_branch): Likewise.
6717 (mips_const_vector_same_val_p): Likewise.
6718 (mips_const_vector_same_bytes_p): Likewise.
6719 (mips_const_vector_same_int_p): Likewise.
6720 (mips_const_vector_shuffle_set_p): Likewise.
6721 (mips_const_vector_bitimm_set_p): Likewise.
6722 (mips_const_vector_bitimm_clr_p): Likewise.
6723 (mips_msa_vec_parallel_const_half): Likewise.
6724 (mips_msa_output_division): Likewise.
6725 (mips_ldst_scaled_shift): Likewise.
6726 (mips_expand_vec_cond_expr): Likewise.
6727 * config/mips/mips.c (enum mips_builtin_type): Add
6728 MIPS_BUILTIN_MSA_TEST_BRANCH.
6729 (mips_gen_const_int_vector_shuffle): New prototype.
6730 (mips_const_vector_bitimm_set_p): New function.
6731 (mips_const_vector_bitimm_clr_p): Likewise.
6732 (mips_const_vector_same_val_p): Likewise.
6733 (mips_const_vector_same_bytes_p): Likewise.
6734 (mips_const_vector_same_int_p): Likewise.
6735 (mips_const_vector_shuffle_set_p): Likewise.
6736 (mips_symbol_insns): Forbid loading symbols via immediate for
6738 (mips_valid_offset_p): Limit offset to 10-bit for MSA loads and
6740 (mips_valid_lo_sum_p): Forbid loadings symbols via %lo(base) for
6742 (mips_lx_address_p): Add support load indexed address for MSA.
6743 (mips_address_insns): Add calculation of instructions needed for
6744 stores and loads for MSA.
6745 (mips_const_insns): Move CONST_DOUBLE below CONST_VECTOR. Handle
6746 CONST_VECTOR for MSA and let it fall through.
6747 (mips_ldst_scaled_shift): New function.
6748 (mips_subword_at_byte): Likewise.
6749 (mips_msa_idiv_insns): Likewise.
6750 (mips_legitimize_move): Validate MSA moves.
6751 (mips_rtx_costs): Add UNGE, UNGT, UNLE, UNLT cases. Add
6752 calculation of costs for MSA division.
6753 (mips_split_move_p): Check if MSA moves need splitting.
6754 (mips_split_move): Split MSA moves if necessary.
6755 (mips_split_128bit_move_p): New function.
6756 (mips_split_128bit_move): Likewise.
6757 (mips_split_msa_copy_d): Likewise.
6758 (mips_split_msa_insert_d): Likewise.
6759 (mips_split_msa_fill_d): Likewise.
6760 (mips_output_move): Handle MSA moves.
6761 (mips_expand_msa_branch): New function.
6762 (mips_print_operand): Add 'E', 'B', 'w', 'v' and 'V' modifiers.
6763 Reinstate 'y' modifier.
6764 (mips_file_start): Add MSA .gnu_attribute.
6765 (mips_hard_regno_mode_ok_p): Allow TImode and 128-bit vectors in
6767 (mips_hard_regno_nregs): Always return 1 for MSA supported mode.
6768 (mips_class_max_nregs): Add register size for MSA supported mode.
6769 (mips_cannot_change_mode_class): Allow conversion between MSA
6770 vector modes and TImode.
6771 (mips_mode_ok_for_mov_fmt_p): Allow MSA to use move.v
6773 (mips_secondary_reload_class): Force MSA loads/stores via memory.
6774 (mips_preferred_simd_mode): Add preffered modes for MSA.
6775 (mips_vector_mode_supported_p): Add MSA supported modes.
6776 (mips_autovectorize_vector_sizes): New function.
6777 (mips_msa_output_division): Likewise.
6778 (MSA_BUILTIN, MIPS_BUILTIN_DIRECT_NO_TARGET)
6779 (MSA_NO_TARGET_BUILTIN, MSA_BUILTIN_TEST_BRANCH): New macros.
6780 (CODE_FOR_msa_adds_s_b, CODE_FOR_msa_adds_s_h)
6781 (CODE_FOR_msa_adds_s_w, CODE_FOR_msa_adds_s_d)
6782 (CODE_FOR_msa_adds_u_b, CODE_FOR_msa_adds_u_h)
6783 (CODE_FOR_msa_adds_u_w, CODE_FOR_msa_adds_u_du
6784 (CODE_FOR_msa_addv_b, CODE_FOR_msa_addv_h, CODE_FOR_msa_addv_w)
6785 (CODE_FOR_msa_addv_d, CODE_FOR_msa_and_v, CODE_FOR_msa_bmnz_v)
6786 (CODE_FOR_msa_bmnzi_b, CODE_FOR_msa_bmz_v, CODE_FOR_msa_bmzi_b)
6787 (CODE_FOR_msa_bnz_v, CODE_FOR_msa_bz_v, CODE_FOR_msa_bsel_v)
6788 (CODE_FOR_msa_bseli_b, CODE_FOR_msa_ceqi_h, CODE_FOR_msa_ceqi_w)
6789 (CODE_FOR_msa_ceqi_d, CODE_FOR_msa_clti_s_b)
6790 (CODE_FOR_msa_clti_s_h, CODE_FOR_msa_clti_s_w)
6791 (CODE_FOR_msa_clti_s_d, CODE_FOR_msa_clti_u_b)
6792 (CODE_FOR_msa_clti_u_h, CODE_FOR_msa_clti_u_w)
6793 (CODE_FOR_msa_clti_u_d, CODE_FOR_msa_clei_s_b)
6794 (CODE_FOR_msa_clei_s_h, CODE_FOR_msa_clei_s_w)
6795 (CODE_FOR_msa_clei_s_d, CODE_FOR_msa_clei_u_b)
6796 (CODE_FOR_msa_clei_u_h, CODE_FOR_msa_clei_u_w)
6797 (CODE_FOR_msa_clei_u_d, CODE_FOR_msa_div_s_b)
6798 (CODE_FOR_msa_div_s_h, CODE_FOR_msa_div_s_w)
6799 (CODE_FOR_msa_div_s_d, CODE_FOR_msa_div_u_b)
6800 (CODE_FOR_msa_div_u_h, CODE_FOR_msa_div_u_w)
6801 (CODE_FOR_msa_div_u_d, CODE_FOR_msa_fadd_w, CODE_FOR_msa_fadd_d)
6802 (CODE_FOR_msa_fexdo_w, CODE_FOR_msa_ftrunc_s_w)
6803 (CODE_FOR_msa_ftrunc_s_d, CODE_FOR_msa_ftrunc_u_w)
6804 (CODE_FOR_msa_ftrunc_u_d, CODE_FOR_msa_ffint_s_w)
6805 (CODE_FOR_msa_ffint_s_d, CODE_FOR_msa_ffint_u_w)
6806 (CODE_FOR_msa_ffint_u_d, CODE_FOR_msa_fsub_w)
6807 (CODE_FOR_msa_fsub_d, CODE_FOR_msa_fmsub_d, CODE_FOR_msa_fmadd_w)
6808 (CODE_FOR_msa_fmadd_d, CODE_FOR_msa_fmsub_w, CODE_FOR_msa_fmul_w)
6809 (CODE_FOR_msa_fmul_d, CODE_FOR_msa_fdiv_w, CODE_FOR_msa_fdiv_d)
6810 (CODE_FOR_msa_fmax_w, CODE_FOR_msa_fmax_d, CODE_FOR_msa_fmax_a_w)
6811 (CODE_FOR_msa_fmax_a_d, CODE_FOR_msa_fmin_w, CODE_FOR_msa_fmin_d)
6812 (CODE_FOR_msa_fmin_a_w, CODE_FOR_msa_fmin_a_d)
6813 (CODE_FOR_msa_fsqrt_w, CODE_FOR_msa_fsqrt_d)
6814 (CODE_FOR_msa_max_s_b, CODE_FOR_msa_max_s_h)
6815 (CODE_FOR_msa_max_s_w, CODE_FOR_msa_max_s_d)
6816 (CODE_FOR_msa_max_u_b, CODE_FOR_msa_max_u_h)
6817 (CODE_FOR_msa_max_u_w, CODE_FOR_msa_max_u_d)
6818 (CODE_FOR_msa_min_s_b, CODE_FOR_msa_min_s_h)
6819 (CODE_FOR_msa_min_s_w, CODE_FOR_msa_min_s_d)
6820 (CODE_FOR_msa_min_u_b, CODE_FOR_msa_min_u_h)
6821 (CODE_FOR_msa_min_u_w, CODE_FOR_msa_min_u_d)
6822 (CODE_FOR_msa_mod_s_b, CODE_FOR_msa_mod_s_h)
6823 (CODE_FOR_msa_mod_s_w, CODE_FOR_msa_mod_s_d)
6824 (CODE_FOR_msa_mod_u_b, CODE_FOR_msa_mod_u_h)
6825 (CODE_FOR_msa_mod_u_w, CODE_FOR_msa_mod_u_d)
6826 (CODE_FOR_msa_mod_s_b, CODE_FOR_msa_mod_s_h)
6827 (CODE_FOR_msa_mod_s_w, CODE_FOR_msa_mod_s_d)
6828 (CODE_FOR_msa_mod_u_b, CODE_FOR_msa_mod_u_h)
6829 (CODE_FOR_msa_mod_u_w, CODE_FOR_msa_mod_u_d)
6830 (CODE_FOR_msa_mulv_b, CODE_FOR_msa_mulv_h, CODE_FOR_msa_mulv_w)
6831 (CODE_FOR_msa_mulv_d, CODE_FOR_msa_nlzc_b, CODE_FOR_msa_nlzc_h)
6832 (CODE_FOR_msa_nlzc_w, CODE_FOR_msa_nlzc_d, CODE_FOR_msa_nor_v)
6833 (CODE_FOR_msa_or_v, CODE_FOR_msa_ori_b, CODE_FOR_msa_nori_b)
6834 (CODE_FOR_msa_pcnt_b, CODE_FOR_msa_pcnt_h, CODE_FOR_msa_pcnt_w)
6835 (CODE_FOR_msa_pcnt_d, CODE_FOR_msa_xor_v, CODE_FOR_msa_xori_b)
6836 (CODE_FOR_msa_sll_b, CODE_FOR_msa_sll_h, CODE_FOR_msa_sll_w)
6837 (CODE_FOR_msa_sll_d, CODE_FOR_msa_slli_b, CODE_FOR_msa_slli_h)
6838 (CODE_FOR_msa_slli_w, CODE_FOR_msa_slli_d, CODE_FOR_msa_sra_b)
6839 (CODE_FOR_msa_sra_h, CODE_FOR_msa_sra_w, CODE_FOR_msa_sra_d)
6840 (CODE_FOR_msa_srai_b, CODE_FOR_msa_srai_h, CODE_FOR_msa_srai_w)
6841 (CODE_FOR_msa_srai_d, CODE_FOR_msa_srl_b, CODE_FOR_msa_srl_h)
6842 (CODE_FOR_msa_srl_w, CODE_FOR_msa_srl_d, CODE_FOR_msa_srli_b)
6843 (CODE_FOR_msa_srli_h, CODE_FOR_msa_srli_w, CODE_FOR_msa_srli_d)
6844 (CODE_FOR_msa_subv_b, CODE_FOR_msa_subv_h, CODE_FOR_msa_subv_w)
6845 (CODE_FOR_msa_subv_d, CODE_FOR_msa_subvi_b, CODE_FOR_msa_subvi_h)
6846 (CODE_FOR_msa_subvi_w, CODE_FOR_msa_subvi_d, CODE_FOR_msa_move_v)
6847 (CODE_FOR_msa_vshf_b, CODE_FOR_msa_vshf_h, CODE_FOR_msa_vshf_w)
6848 (CODE_FOR_msa_vshf_d, CODE_FOR_msa_ilvod_d, CODE_FOR_msa_ilvev_d)
6849 (CODE_FOR_msa_pckod_d, CODE_FOR_msa_pckdev_d, CODE_FOR_msa_ldi_b)
6850 (CODE_FOR_msa_ldi_hi, CODE_FOR_msa_ldi_w)
6851 (CODE_FOR_msa_ldi_d): New code_aliasing macros.
6852 (mips_builtins): Add MSA sll_b, sll_h, sll_w, sll_d, slli_b,
6853 slli_h, slli_w, slli_d, sra_b, sra_h, sra_w, sra_d, srai_b,
6854 srai_h, srai_w, srai_d, srar_b, srar_h, srar_w, srar_d, srari_b,
6855 srari_h, srari_w, srari_d, srl_b, srl_h, srl_w, srl_d, srli_b,
6856 srli_h, srli_w, srli_d, srlr_b, srlr_h, srlr_w, srlr_d, srlri_b,
6857 srlri_h, srlri_w, srlri_d, bclr_b, bclr_h, bclr_w, bclr_d,
6858 bclri_b, bclri_h, bclri_w, bclri_d, bset_b, bset_h, bset_w,
6859 bset_d, bseti_b, bseti_h, bseti_w, bseti_d, bneg_b, bneg_h,
6860 bneg_w, bneg_d, bnegi_b, bnegi_h, bnegi_w, bnegi_d, binsl_b,
6861 binsl_h, binsl_w, binsl_d, binsli_b, binsli_h, binsli_w,
6862 binsli_d, binsr_b, binsr_h, binsr_w, binsr_d, binsri_b, binsri_h,
6863 binsri_w, binsri_d, addv_b, addv_h, addv_w, addv_d, addvi_b,
6864 addvi_h, addvi_w, addvi_d, subv_b, subv_h, subv_w, subv_d,
6865 subvi_b, subvi_h, subvi_w, subvi_d, max_s_b, max_s_h, max_s_w,
6866 max_s_d, maxi_s_b, maxi_s_h, maxi_s_w, maxi_s_d, max_u_b,
6867 max_u_h, max_u_w, max_u_d, maxi_u_b, maxi_u_h, maxi_u_w,
6868 maxi_u_d, min_s_b, min_s_h, min_s_w, min_s_d, mini_s_b, mini_s_h,
6869 mini_s_w, mini_s_d, min_u_b, min_u_h, min_u_w, min_u_d, mini_u_b,
6870 mini_u_h, mini_u_w, mini_u_d, max_a_b, max_a_h, max_a_w, max_a_d,
6871 min_a_b, min_a_h, min_a_w, min_a_d, ceq_b, ceq_h, ceq_w, ceq_d,
6872 ceqi_b, ceqi_h, ceqi_w, ceqi_d, clt_s_b, clt_s_h, clt_s_w,
6873 clt_s_d, clti_s_b, clti_s_h, clti_s_w, clti_s_d, clt_u_b,
6874 clt_u_h, clt_u_w, clt_u_d, clti_u_b, clti_u_h, clti_u_w,
6875 clti_u_d, cle_s_b, cle_s_h, cle_s_w, cle_s_d, clei_s_b, clei_s_h,
6876 clei_s_w, clei_s_d, cle_u_b, cle_u_h, cle_u_w, cle_u_d, clei_u_b,
6877 clei_u_h, clei_u_w, clei_u_d, ld_b, ld_h, ld_w, ld_d, st_b, st_h,
6878 st_w, st_d, sat_s_b, sat_s_h, sat_s_w, sat_s_d, sat_u_b, sat_u_h,
6879 sat_u_w, sat_u_d, add_a_b, add_a_h, add_a_w, add_a_d, adds_a_b,
6880 adds_a_h, adds_a_w, adds_a_d, adds_s_b, adds_s_h, adds_s_w,
6881 adds_s_d, adds_u_b, adds_u_h, adds_u_w, adds_u_d, ave_s_b,
6882 ave_s_h, ave_s_w, ave_s_d, ave_u_b, ave_u_h, ave_u_w, ave_u_d,
6883 aver_s_b, aver_s_h, aver_s_w, aver_s_d, aver_u_b, aver_u_h,
6884 aver_u_w, aver_u_d, subs_s_b, subs_s_h, subs_s_w, subs_s_d,
6885 subs_u_b, subs_u_h, subs_u_w, subs_u_d, subsuu_s_b, subsuu_s_h,
6886 subsuu_s_w, subsuu_s_d, subsus_u_b, subsus_u_h, subsus_u_w,
6887 subsus_u_d, asub_s_b, asub_s_h, asub_s_w, asub_s_d, asub_u_b,
6888 asub_u_h, asub_u_w, asub_u_d, mulv_b, mulv_h, mulv_w, mulv_d,
6889 maddv_b, maddv_h, maddv_w, maddv_d, msubv_b, msubv_h, msubv_w,
6890 msubv_d, div_s_b, div_s_h, div_s_w, div_s_d, div_u_b, div_u_h,
6891 div_u_w, div_u_d, hadd_s_h, hadd_s_w, hadd_s_d, hadd_u_h,
6892 hadd_u_w, hadd_u_d, hsub_s_h, hsub_s_w, hsub_s_d, hsub_u_h,
6893 hsub_u_w, hsub_u_d, mod_s_b, mod_s_h, mod_s_w, mod_s_d, mod_u_b,
6894 mod_u_h, mod_u_w, mod_u_d, dotp_s_h, dotp_s_w, dotp_s_d,
6895 dotp_u_h, dotp_u_w, dotp_u_d, dpadd_s_h, dpadd_s_w, dpadd_s_d,
6896 dpadd_u_h, dpadd_u_w, dpadd_u_d, dpsub_s_h, dpsub_s_w, dpsub_s_d,
6897 dpsub_u_h, dpsub_u_w, dpsub_u_d, sld_b, sld_h, sld_w, sld_d,
6898 sldi_b, sldi_h, sldi_w, sldi_d, splat_b, splat_h, splat_w,
6899 splat_d, splati_b, splati_h, splati_w, splati_d, pckev_b,
6900 pckev_h, pckev_w, pckev_d, pckod_b, pckod_h, pckod_w, pckod_d,
6901 ilvl_b, ilvl_h, ilvl_w, ilvl_d, ilvr_b, ilvr_h, ilvr_w, ilvr_d,
6902 ilvev_b, ilvev_h, ilvev_w, ilvev_d, ilvod_b, ilvod_h, ilvod_w,
6903 ilvod_d, vshf_b, vshf_h, vshf_w, vshf_d, and_v, andi_b, or_v,
6904 ori_b, nor_v, nori_b, xor_v, xori_b, bmnz_v, bmnzi_b, bmz_v,
6905 bmzi_b, bsel_v, bseli_b, shf_b, shf_h, shf_w, bnz_v, bz_v,
6906 fill_b, fill_h, fill_w, fill_d, pcnt_b, pcnt_h, pcnt_w,
6907 pcnt_d, nloc_b, nloc_h, nloc_w, nloc_d, nlzc_b, nlzc_h, nlzc_w,
6908 nlzc_d, copy_s_b, copy_s_h, copy_s_w, copy_s_d, copy_u_b,
6909 copy_u_h, copy_u_w, copy_u_d, insert_b, insert_h, insert_w,
6910 insert_d, insve_b, insve_h, insve_w, insve_d, bnz_b, bnz_h,
6911 bnz_w, bnz_d, bz_b, bz_h, bz_w, bz_d, ldi_b, ldi_h, ldi_w, ldi_d,
6912 fcaf_w, fcaf_d, fcor_w, fcor_d, fcun_w, fcun_d, fcune_w, fcune_d,
6913 fcueq_w, fcueq_d, fceq_w, fceq_d, fcne_w, fcne_d, fclt_w, fclt_d,
6914 fcult_w, fcult_d, fcle_w, fcle_d, fcule_w, fcule_d, fsaf_w,
6915 fsaf_d, fsor_w, fsor_d, fsun_w, fsun_d, fsune_w, fsune_d,
6916 fsueq_w, fsueq_d, fseq_w, fseq_d, fsne_w, fsne_d, fslt_w,
6917 fslt_d, fsult_w, fsult_d, fsle_w, fsle_d, fsule_w, fsule_d,
6918 fadd_w, fadd_d, fsub_w, fsub_d, fmul_w, fmul_d, fdiv_w, fdiv_d,
6919 fmadd_w, fmadd_d, fmsub_w, fmsub_d, fexp2_w, fexp2_d, fexdo_h,
6920 fexdo_w, ftq_h, ftq_w, fmin_w, fmin_d, fmin_a_w, fmin_a_d,
6921 fmax_w, fmax_d, fmax_a_w, fmax_a_d, mul_q_h, mul_q_w, mulr_q_h,
6922 mulr_q_w, madd_q_h, madd_q_w, maddr_q_h, maddr_q_w, msub_q_h,
6923 msub_q_w, msubr_q_h, msubr_q_w, fclass_w, fclass_d, fsqrt_w,
6924 fsqrt_d, frcp_w, frcp_d, frint_w, frint_d, frsqrt_w, frsqrt_d,
6925 flog2_w, flog2_d, fexupl_w, fexupl_d, fexupr_w, fexupr_d, ffql_w,
6926 ffql_d, ffqr_w, ffqr_d, ftint_s_w, ftint_s_d, ftint_u_w,
6927 ftint_u_d, ftrunc_s_w, ftrunc_s_d, ftrunc_u_w, ftrunc_u_d,
6928 ffint_s_w, ffint_s_d, ffint_u_w, ffint_u_d, ctcmsa, cfcmsa,
6930 (mips_get_builtin_decl_index): New array.
6931 (MIPS_ATYPE_QI, MIPS_ATYPE_HI, MIPS_ATYPE_V2DI, MIPS_ATYPE_V4SI)
6932 (MIPS_ATYPE_V8HI, MIPS_ATYPE_V16QI, MIPS_ATYPE_V2DF)
6933 (MIPS_ATYPE_V4SF, MIPS_ATYPE_UV2DI, MIPS_ATYPE_UV4SI)
6934 (MIPS_ATYPE_UV8HI, MIPS_ATYPE_UV16QI): New.
6935 (mips_init_builtins): Initialize mips_get_builtin_decl_index
6937 (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define target
6939 (mips_expand_builtin_insn): Prepare operands for
6940 CODE_FOR_msa_addvi_b, CODE_FOR_msa_addvi_h, CODE_FOR_msa_addvi_w,
6941 CODE_FOR_msa_addvi_d, CODE_FOR_msa_clti_u_b,
6942 CODE_FOR_msa_clti_u_h, CODE_FOR_msa_clti_u_w,
6943 CODE_FOR_msa_clti_u_d, CODE_FOR_msa_clei_u_b,
6944 CODE_FOR_msa_clei_u_h, CODE_FOR_msa_clei_u_w,
6945 CODE_FOR_msa_clei_u_d, CODE_FOR_msa_maxi_u_b,
6946 CODE_FOR_msa_maxi_u_h, CODE_FOR_msa_maxi_u_w,
6947 CODE_FOR_msa_maxi_u_d, CODE_FOR_msa_mini_u_b,
6948 CODE_FOR_msa_mini_u_h, CODE_FOR_msa_mini_u_w,
6949 CODE_FOR_msa_mini_u_d, CODE_FOR_msa_subvi_b,
6950 CODE_FOR_msa_subvi_h, CODE_FOR_msa_subvi_w, CODE_FOR_msa_subvi_d,
6951 CODE_FOR_msa_ceqi_b, CODE_FOR_msa_ceqi_h, CODE_FOR_msa_ceqi_w,
6952 CODE_FOR_msa_ceqi_d, CODE_FOR_msa_clti_s_b,
6953 CODE_FOR_msa_clti_s_h, CODE_FOR_msa_clti_s_w,
6954 CODE_FOR_msa_clti_s_d, CODE_FOR_msa_clei_s_b,
6955 CODE_FOR_msa_clei_s_h, CODE_FOR_msa_clei_s_w,
6956 CODE_FOR_msa_clei_s_d, CODE_FOR_msa_maxi_s_b,
6957 CODE_FOR_msa_maxi_s_h, CODE_FOR_msa_maxi_s_w,
6958 CODE_FOR_msa_maxi_s_d, CODE_FOR_msa_mini_s_b,
6959 CODE_FOR_msa_mini_s_h, CODE_FOR_msa_mini_s_w,
6960 CODE_FOR_msa_mini_s_d, CODE_FOR_msa_andi_b, CODE_FOR_msa_ori_b,
6961 CODE_FOR_msa_nori_b, CODE_FOR_msa_xori_b, CODE_FOR_msa_bmzi_b,
6962 CODE_FOR_msa_bmnzi_b, CODE_FOR_msa_bseli_b, CODE_FOR_msa_fill_b,
6963 CODE_FOR_msa_fill_h, CODE_FOR_msa_fill_w, CODE_FOR_msa_fill_d,
6964 CODE_FOR_msa_ilvl_b, CODE_FOR_msa_ilvl_h, CODE_FOR_msa_ilvl_w,
6965 CODE_FOR_msa_ilvl_d, CODE_FOR_msa_ilvr_b, CODE_FOR_msa_ilvr_h,
6966 CODE_FOR_msa_ilvr_w, CODE_FOR_msa_ilvr_d, CODE_FOR_msa_ilvev_b,
6967 CODE_FOR_msa_ilvev_h, CODE_FOR_msa_ilvev_w, CODE_FOR_msa_ilvod_b,
6968 CODE_FOR_msa_ilvod_h, CODE_FOR_msa_ilvod_w, CODE_FOR_msa_pckev_b,
6969 CODE_FOR_msa_pckev_h, CODE_FOR_msa_pckev_w, CODE_FOR_msa_pckod_b,
6970 CODE_FOR_msa_pckod_h, CODE_FOR_msa_pckod_w, CODE_FOR_msa_slli_b,
6971 CODE_FOR_msa_slli_h, CODE_FOR_msa_slli_w, CODE_FOR_msa_slli_d,
6972 CODE_FOR_msa_srai_b, CODE_FOR_msa_srai_h, CODE_FOR_msa_srai_w,
6973 CODE_FOR_msa_srai_d, CODE_FOR_msa_srli_b, CODE_FOR_msa_srli_h,
6974 CODE_FOR_msa_srli_w, CODE_FOR_msa_srli_d, CODE_FOR_msa_insert_b,
6975 CODE_FOR_msa_insert_h, CODE_FOR_msa_insert_w,
6976 CODE_FOR_msa_insert_d, CODE_FOR_msa_insve_b,
6977 CODE_FOR_msa_insve_h, CODE_FOR_msa_insve_w, CODE_FOR_msa_insve_d,
6978 CODE_FOR_msa_shf_b, CODE_FOR_msa_shf_h, CODE_FOR_msa_shf_w,
6979 CODE_FOR_msa_shf_w_f, CODE_FOR_msa_vshf_b, CODE_FOR_msa_vshf_h,
6980 CODE_FOR_msa_vshf_w, CODE_FOR_msa_vshf_d.
6981 (mips_expand_builtin): Add case for MIPS_BULTIN_MSA_TEST_BRANCH.
6982 (mips_set_compression_mode): Disallow MSA with MIPS16 code.
6983 (mips_option_override): -mmsa requires -mfp64 and -mhard-float.
6984 These are set implicitly and an error is reported if overridden.
6985 (mips_expand_builtin_msa_test_branch): New function.
6986 (mips_expand_msa_shuffle): Likewise.
6987 (MAX_VECT_LEN): Increase maximum length of a vector to 16 bytes.
6988 (TARGET_SCHED_REASSOCIATION_WIDTH): Define target hook.
6989 (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Likewise.
6990 (mips_expand_vec_unpack): Add support for MSA.
6991 (mips_expand_vector_init): Likewise.
6992 (mips_expand_vi_constant): Use CONST0_RTX (element_mode)
6993 instead of const0_rtx.
6994 (mips_msa_vec_parallel_const_half): New function.
6995 (mips_gen_const_int_vector): Likewise.
6996 (mips_gen_const_int_vector_shuffle): Likewise.
6997 (mips_expand_msa_cmp): Likewise.
6998 (mips_expand_vec_cond_expr): Likewise.
6999 * config/mips/mips.h
7000 (TARGET_CPU_CPP_BUILTINS): Add __mips_msa and __mips_msa_width.
7001 (OPTION_DEFAULT_SPECS): Ignore --with-fp-32 if -mmsa is
7003 (ASM_SPEC): Pass mmsa and mno-msa to the assembler.
7004 (ISA_HAS_MSA): New macro.
7005 (UNITS_PER_MSA_REG): Likewise.
7006 (BITS_PER_MSA_REG): Likewise.
7007 (BIGGEST_ALIGNMENT): Redefine using ISA_HAS_MSA.
7008 (MSA_REG_FIRST): New macro.
7009 (MSA_REG_LAST): Likewise.
7010 (MSA_REG_NUM): Likewise.
7011 (MSA_REG_P): Likewise.
7012 (MSA_REG_RTX_P): Likewise.
7013 (MSA_SUPPORTED_MODE_P): Likewise.
7014 (HARD_REGNO_CALL_PART_CLOBBERED): Redefine using TARGET_MSA.
7015 (ADDITIONAL_REGISTER_NAMES): Add named registers $w0-$w31.
7016 * config/mips/mips.md: Include mips-msa.md.
7017 (alu_type): Add simd_add.
7018 (mode): Add V2DI, V4SI, V8HI, V16QI, V2DF, V4SF.
7019 (type): Add simd_div, simd_fclass, simd_flog2, simd_fadd,
7020 simd_fcvt, simd_fmul, simd_fmadd, simd_fdiv, simd_bitins,
7021 simd_bitmov, simd_insert, simd_sld, simd_mul, simd_fcmp,
7022 simd_fexp2, simd_int_arith, simd_bit, simd_shift, simd_splat,
7023 simd_fill, simd_permute, simd_shf, simd_sat, simd_pcnt,
7024 simd_copy, simd_branch, simd_cmsa, simd_fminmax, simd_logic,
7025 simd_move, simd_load, simd_store. Choose "multi" for moves
7027 (qword_mode): New attribute.
7028 (insn_count): Add instruction count for quad moves.
7029 Increase the count for MIPS SIMD division.
7030 (UNITMODE): Add UNITMODEs for vector types.
7031 (addsub): New code iterator.
7032 * config/mips/mips.opt (mmsa): New option.
7033 * config/mips/msa.h: New file.
7034 * config/mips/mti-elf.h: Don't infer -mfpxx if -mmsa is
7036 * config/mips/mti-linux.h: Likewise.
7037 * config/mips/predicates.md
7038 (const_msa_branch_operand): New constraint.
7039 (const_uimm3_operand): Likewise.
7040 (const_uimm4_operand): Likewise.
7041 (const_uimm5_operand): Likewise.
7042 (const_uimm8_operand): Likewise.
7043 (const_imm5_operand): Likewise.
7044 (aq10b_operand): Likewise.
7045 (aq10h_operand): Likewise.
7046 (aq10w_operand): Likewise.
7047 (aq10d_operand): Likewise.
7048 (const_m1_operand): Likewise.
7049 (reg_or_m1_operand): Likewise.
7050 (const_exp_2_operand): Likewise.
7051 (const_exp_4_operand): Likewise.
7052 (const_exp_8_operand): Likewise.
7053 (const_exp_16_operand): Likewise.
7054 (const_vector_same_val_operand): Likewise.
7055 (const_vector_same_simm5_operand): Likewise.
7056 (const_vector_same_uimm5_operand): Likewise.
7057 (const_vector_same_uimm6_operand): Likewise.
7058 (const_vector_same_uimm8_operand): Likewise.
7059 (par_const_vector_shf_set_operand): Likewise.
7060 (reg_or_vector_same_val_operand): Likewise.
7061 (reg_or_vector_same_simm5_operand): Likewise.
7062 (reg_or_vector_same_uimm6_operand): Likewise.
7063 * doc/extend.texi (MIPS SIMD Architecture Functions): New
7065 * doc/invoke.texi (-mmsa): Document new option.
7067 2016-05-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7069 * configure.ac (enable_vtable_verify): Handle --enable-vtable-verify.
7070 * configure: Regenerate.
7071 * config.in: Regenerate.
7072 * gcc.c (VTABLE_VERIFICATION_SPEC) [!ENABLE_VTABLE_VERIFY]: Error
7074 * config/sol2.h [!ENABLE_VTABLE_VERIFY] (STARTFILE_VTV_SPEC): Define.
7075 (ENDFILE_VTV_SPEC): Define.
7077 2016-05-09 Kaushik Phatak <kaushik.phatak@kpit.com>
7079 * config/rl78/rl78.c (rl78_expand_prologue): Save the MDUC related
7080 registers in all interrupt handlers if necessary.
7081 (rl78_option_override): Add warning.
7082 (MUST_SAVE_MDUC_REGISTERS): New macro.
7083 (rl78_expand_epilogue): Restore the MDUC registers if necessary.
7084 * config/rl78/rl78.c (check_mduc_usage): New function.
7085 (mduc_regs): New structure to hold MDUC register data.
7086 * config/rl78/rl78.md (is_g13_muldiv_insn): New attribute.
7087 (mulsi3_g13): Add is_g13_muldiv_insn attribute.
7088 (udivmodsi4_g13): Add is_g13_muldiv_insn attribute.
7089 (mulhi3_g13): Add is_g13_muldiv_insn attribute.
7090 * config/rl78/rl78.opt (msave-mduc-in-interrupts): New option.
7091 * doc/invoke.texi (RL78 Options): Add -msave-mduc-in-interrupts.
7093 2016-05-09 Bin Cheng <bin.cheng@arm.com>
7095 * tree-if-conv.c (tree-ssa-loop.h): Include header file.
7096 (tree-ssa-loop-niter.h): Ditto.
7097 (idx_within_array_bound, ref_within_array_bound): New functions.
7098 (ifcvt_memrefs_wont_trap): Check if array ref is within bound.
7099 Factor out check on writable base object to ...
7100 (base_object_writable): ... here.
7102 2016-05-09 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
7104 * config/arm/arm.md (probe_stack): Add modes to set source
7107 2016-05-09 Bernd Schmidt <bschmidt@redhat.com>
7109 * regrename.c (base_reg_class_for_rename): New static function.
7110 (scan_rtx_address, scan_rtx): Use it instead of base_reg_class.
7112 2016-05-08 Jan Hubicka <hubicka@ucw.cz>
7114 * cgraph.c (thunk_adjust): Export.
7115 * cgraphclones.c (cgraph_node::create_clone): Clone thunk info.
7116 * cgraphunit.c (thunk_adjust): Export.
7117 (cgraph_node::assemble_thunks_and_aliases): Do not assemble inlined
7119 * ipa-inline-analyssi.c (compute_inline_parameters): Thunks are
7121 * tree-inline.c (expand_call_inline): Expand thunks inline.
7123 2016-05-08 Uros Bizjak <ubizjak@gmail.com>
7126 * config/i386/sse.md (*sse2_vd_cvtsd2ss): New insn pattern.
7127 (*sse2_vd_cvtss2sd): Ditto.
7128 * config/i386/i386.md
7129 (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_truncate df->sf splitter):
7130 Generate *sse2_vd_cvtsd2ss pattern.
7131 (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_extend sf->df splitter):
7132 Generate *sse2_vd_cvtss2sd pattern.
7134 2016-05-08 Oleg Endo <olegendo@gcc.gnu.org>
7136 * config/sh/sh.h (GET_SH_ARG_CLASS): Convert macro into ...
7137 * config/sh/sh.c (get_sh_arg_class): ... this new function. Update its
7140 2016-05-08 Oleg Endo <olegendo@gcc.gnu.org>
7142 * config/sh/sh-protos.h (sh_media_register_for_return): Remove.
7143 * config/sh/sh.c: Define and declare variables on first use throughout
7145 (current_function_interrupt): Change to bool type.
7146 (frame_insn): Rename to emit_frame_insn and update users.
7147 (push_regs): Use bool for 'interrupt_handler' argument.
7148 (save_schedule_s): Remove.
7149 (TARGET_ASM_UNALIGNED_DI_OP, TARGET_ASM_ALIGNED_DI_OP): Remove.
7150 (sh_option_override): Don't nullify targetm.asm_out.aligned_op.di and
7151 targetm.asm_out.unaligned_op.di.
7152 (gen_far_branch): Remove redundant forward declaration.
7153 (sh_media_register_for_return, MAX_SAVED_REGS, save_entry_s, save_entry,
7154 MAX_TEMPS, save_schedule_ssave_schedule): Remove.
7155 (sh_set_return_address, sh_function_ok_for_sibcall,
7156 scavenge_reg): Update comments.
7157 (sh_builtin_saveregs): Use TRAGET_FPU_ANY condition.
7158 (sh2a_get_function_vector_number, sh2a_function_vector_p): Use for loop.
7159 (sh_attr_renesas_p): Remove unnecessary parentheses.
7160 (branch_dest): Simplify.
7161 * config/sh/sh.h (sh_args): Remove byref, byref_regs, stack_regs fields.
7162 Change force_mem, prototype_p, outgoing, renesas_abi fields to bool.
7163 (CUMULATIVE_ARGS): Change macro to typedef.
7164 (current_function_interrupt): Change to bool type.
7165 (sh_arg_class, sh_args, CUMULATIVE_ARGS, current_function_interrupt):
7166 Surround with __cplusplus ifdef.
7167 (sh_compare_op0, sh_compare_op1): Remove.
7168 (EPILOGUE_USES): Use TARGET_FPU_ANY condition.
7170 2016-05-07 Jim Wilson <jim.wilson@linaro.org>
7172 * config/arm/arm.md: (arch): Add neon.
7173 (arch_enabled): Return yes for arch neon when TARGET_NEON.
7174 * config/arm/vfp.md (movdf_vfp): Add w/G as alternative 3. Add
7175 neon_move as type for alt 3. Add arch attr enabling alt 3 for neon.
7176 Emit vmov.i64 for alt 3. Renumber alternatives 3 to 8. Adjust
7177 attributes for alt renumbering. Mark alt 3 as non-predicable.
7178 (thumb2_movdf_vfp): Likewise.
7180 2016-05-07 Uros Bizjak <ubizjak@gmail.com>
7182 * config/i386/i386.md (*addqi_1): Add preferred_for_speed attribute
7183 to disparage alternatives 3 and 4 for TARGET_PARTIAL_REG_STALL targets.
7184 (*andqi_1): Add preferred_for_speed attribute to disparage
7185 alternative 2 for TARGET_PARTIAL_REG_STALL targets.
7186 (*<code>qi_1): Ditto.
7187 (*one_cmplqi2_1): Add preferred_for_speed attribute to disparage
7188 alternative 1 for TARGET_PARTIAL_REG_STALL targets.
7189 (*ashlqi3_1): Ditto.
7190 (*swap<mode>): Merge from *swap<mode>_1 and *swap<mode>_2 patterns.
7191 Add preferred_for_size attribute to disparage alternative 0 and
7192 preferred_for_speed attribute to disparage alternative 1 for
7193 TARGET_PARTIAL_REG_STALL targets.
7195 2016-05-07 Tom de Vries <tom@codesourcery.com>
7197 PR tree-optimization/70956
7198 * graphite-scop-detection.c (build_cross_bb_scalars_def): Handle NULL
7201 2016-05-07 Oleg Endo <olegendo@gcc.gnu.org>
7203 * config/sh/sh-protos.h (sh_cbranch_distance): Declare new function.
7204 * config/sh/sh.c (sh_cbranch_distance): Implement it.
7205 * config/sh/sh.md (branch_zero): Remove define_attr.
7206 (define_delay): Disable delay slot if branch distance is one insn.
7208 2016-05-06 Uros Bizjak <ubizjak@gmail.com>
7210 * config/i386/i386.md (LEAMODE): New mode attribute.
7211 (plus to LEA splitter): Rewrite splitter using LEAMODE mode attribute.
7212 (ashift to LEA splitter): Rewrte splitter using SWI mode iterator
7213 and LEAMODE mode attribute. Use VOIDmode const_0_to_3_operand as
7214 operand 2 predicate.
7215 (*lea<mode>_general_2): Use VOIDmode for const248_operand.
7216 (*lea<mode>_general_3): Ditto.
7217 (*lea<mode>_general_4): Use VOIDmode for const_0_to_3_operand.
7219 2016-05-06 Jakub Jelinek <jakub@redhat.com>
7221 * genmddump.c (main): Convert argv from char ** to const char **.
7223 2016-05-06 David Malcolm <dmalcolm@redhat.com>
7225 * coretypes.h (OVERRIDE): New macro.
7228 2016-05-06 Eric Botcazou <ebotcazou@adacore.com>
7230 * tree-ssa-coalesce.c (gimple_can_coalesce_p): In the optimized case,
7231 allow coalescing if the types are compatible.
7233 2016-05-06 David Malcolm <dmalcolm@redhat.com>
7235 * pass_manager.h (pass_manager::register_pass_name): New method.
7236 (pass_manager::get_pass_by_name): New method.
7237 (pass_manager::create_pass_tab): New method.
7238 (pass_manager::m_name_to_pass_map): New field.
7239 * passes.c (name_to_pass_map): Delete global in favor of field
7240 "m_name_to_pass_map" of pass_manager.
7241 (register_pass_name): Rename from a function to...
7242 (pass_manager::register_pass_name): ...this method, updating
7243 for renaming of global "name_to_pass_map" to field
7244 "m_name_to_pass_map".
7245 (create_pass_tab): Rename from a function to...
7246 (pass_manager::create_pass_tab): ...this method, updating
7247 for renaming of global "name_to_pass_map" to field.
7248 (get_pass_by_name): Rename from a function to...
7249 (pass_manager::get_pass_by_name): ...this method.
7250 (enable_disable_pass): Convert use of get_pass_by_name to
7251 a method call, locating the pass_manager singleton.
7253 2016-05-06 David Malcolm <dmalcolm@redhat.com>
7255 * genattr-common.c (main): Convert argv from char ** to const char **.
7256 * genattr.c (main): Likewise.
7257 * genattrtab.c (main): Likewise.
7258 * genautomata.c (initiate_automaton_gen): Likewise.
7260 * gencodes.c (main): Likewise.
7261 * genconditions.c (main): Likewise.
7262 * genconfig.c (main): Likewise.
7263 * genconstants.c (main): Likewise.
7264 * genemit.c (main): Likewise.
7265 * genenums.c (main): Likewise.
7266 * genextract.c (main): Likewise.
7267 * genflags.c (main): Likewise.
7268 * genmddeps.c (main): Likewise.
7269 * genopinit.c (main): Likewise.
7270 * genoutput.c (main): Likewise.
7271 * genpeep.c (main): Likewise.
7272 * genpreds.c (main): Likewise.
7273 * genrecog.c (main): Likewise.
7274 * gensupport.c (init_rtx_reader_args_cb): Likewise.
7275 (init_rtx_reader_args): Likewise.
7276 * gensupport.h (init_rtx_reader_args_cb): Likewise.
7277 (init_rtx_reader_args): Likewise.
7278 * gentarget-def.c (main): Likewise.
7279 * read-md.c (read_md_files): Likewise.
7280 * read-md.h (read_md_files): Likewise.
7282 2016-05-06 Uros Bizjak <ubizjak@gmail.com>
7284 * config/i386/i386.md (int cmove peephole2s): Use general_reg_operand
7285 instead of register_and_not_any_fp_reg_operand as operand 0 predicate.
7286 * config/i386/predicates.md (register_and_not_any_fp_reg_operand):
7287 Remove unused predicate.
7288 (register_and_not_fp_reg_operand): Ditto.
7290 2016-05-06 Martin Liska <mliska@suse.cz>
7292 * tree-if-conv.c (ifcvt_split_critical_edges): Use auto_vec
7293 instead of vec as the vector is local to the function.
7295 2016-05-06 Jakub Jelinek <jakub@redhat.com>
7297 * config/i386/sse.md (*<code>v8hi3, *<code>v16qi3): Add
7298 avx512bw alternative.
7300 * config/i386/sse.md (<mask_codefor>ashr<mode>3<mask_name>): Move
7301 before the ashr<mode>3 pattern.
7303 * config/i386/sse.md (*avx2_pmaddwd, *sse2_pmaddwd): Use
7304 v instead of x in vex or maybe_vex alternatives, use
7305 maybe_evex instead of vex in prefix.
7307 * config/i386/sse.md (*vec_extractv4sf_0, *sse4_1_extractps,
7308 *vec_extractv4sf_mem, vec_extract_lo_v16hi, vec_extract_hi_v16hi,
7309 vec_extract_lo_v32qi, vec_extract_hi_v32qi): Use v instead of x
7310 in vex or maybe_vex alternatives, use maybe_evex instead of vex
7313 * config/i386/sse.md (*vec_concatv2sf_sse4_1, *vec_concatv4sf): Use
7314 v instead of x in vex or maybe_vex alternatives, use
7315 maybe_evex instead of vex in prefix.
7317 * config/i386/sse.md (sse_shufps_<mode>, sse_storehps, sse_loadhps,
7318 sse_storelps, sse_movss, avx2_vec_dup<mode>, avx2_vec_dupv8sf_1,
7319 sse2_shufpd_<mode>, sse2_storehpd, sse2_storelpd, sse2_loadhpd,
7320 sse2_loadlpd, sse2_movsd): Use v instead of x in vex or maybe_vex
7321 alternatives, use maybe_evex instead of vex in prefix.
7323 * config/i386/sse.md (vec_interleave_lowv4sf,
7324 *vec_interleave_highv2df, *vec_interleave_lowv2df): Use
7325 v instead of x in vex or maybe_vex alternatives, use
7326 maybe_evex instead of vex in prefix.
7328 * config/i386/sse.md (sse_movhlps, sse_movlhps): Use
7329 v instead of x in vex or maybe_vex alternatives, use
7330 maybe_evex instead of vex in prefix.
7332 * config/i386/sse.md (*avx_cvtpd2dq256_2, *avx_cvtps2pd256_2): Use
7333 v constraint instead of x.
7335 2016-05-06 Nathan Sidwell <nathan@codesourcery.com>
7337 * gimple.c (gimple_call_same_target_p): Unique functions are eq.
7338 * tree-ssa-tail-merge.c (same_succ::equal): Check pointer eq
7341 2016-05-06 Richard Biener <rguenther@suse.de>
7343 PR tree-optimization/70948
7344 * tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
7345 Properly clobber all fields of va_list for __builtin_va_start.
7347 2016-05-06 Yuri Rumyantsev <ysrumyan@gmail.com>
7350 * tree-ssa-loop-unswitch.c (find_loop_guard): Reject guard edge with
7351 loop latch destination.
7353 2016-05-06 Martin Liska <mliska@suse.cz>
7355 * tree-ssa-uninit.c: Apply manual changes
7356 to the GNU coding style.
7357 (prune_uninit_phi_opnds): Rename from
7358 prune_uninit_phi_opnds_in_unrealizable_paths.
7360 2016-05-06 Oleg Endo <olegendo@gcc.gnu.org>
7362 * config/sh/sh.opt (madjust-unroll, minvalid-symbols, msoft-atomic,
7363 mspace): Remove deprecated options.
7364 * doc/invoke.texi (SH options): Remove -mspace.
7366 2016-05-06 Oleg Endo <olegendo@gcc.gnu.org>
7368 * config/sh/sh.md (ic_invalidate_line_sh4a): Fix insn length.
7370 2016-05-06 Oleg Endo <olegendo@gcc.gnu.org>
7372 * config/sh/sh.md (*cmpeqsi_t): Remove combine insn pattern and similar
7373 corresponding combine split pattern.
7375 2016-05-06 Oleg Endo <olegendo@gcc.gnu.org>
7378 * config/sh/predicates.md (long_displacement_mem_operand): New.
7379 * config/sh/sh.md (movsi_i): Allow for SH2A, disallow for any FPU.
7380 Add movi20, movi20s alternatives. Adjust length attribute for
7382 (movsi_ie): Allow for any FPU. Adjust length attribute for
7384 (movsi_i_lowpart): Add movi20, movi20s alternatives. Adjust length
7385 attribute for alternatives.
7386 (*mov<mode>): Use long_displacement_mem_operand for length attribute.
7387 (*movdi_i, movdf_k, movdf_i4, movsf_i, movsf_ie, movsf_ie_ra): Adjust
7388 length attribute for alternatives.
7390 2016-05-06 Richard Biener <rguenther@suse.de>
7392 PR tree-optimization/70960
7393 * tree-if-conv.c (ifcvt_walk_pattern_tree): Handle non-SSA ops.
7395 2016-05-06 Oleg Endo <olegendo@gcc.gnu.org>
7398 * config/sh/sh.md (*cmp_div0s_7, *cmp_div0s_8): Add div0s variants.
7399 * config/sh/sh.c (sh_rtx_costs): Add another div0s case.
7401 2016-05-06 Marek Polacek <polacek@redhat.com>
7404 * ubsan.c (get_ubsan_type_info_for_type): Remove assert.
7406 2016-05-06 Oleg Endo <olegendo@gcc.gnu.org>
7409 * config/sh/sh.md (*rotcr): Add another variant.
7411 2016-05-06 Richard Biener <rguenther@suse.de>
7414 * dwarf2out.c (native_encode_initializer): Skip zero-sized fields.
7416 2016-05-06 Richard Biener <rguenther@suse.de>
7419 * fold-const.c (split_tree): Always convert to the original type
7422 2016-05-06 Richard Biener <rguenther@suse.de>
7424 * fwprop.c (fwprop): Remove duplicate cleanup_cfg call.
7425 (fwprop_addr): Likewise.
7427 2016-05-06 Uros Bizjak <ubizjak@gmail.com>
7430 * config/i386/i386-protos.h (ix86_standard_x87sse_constant_load_p):
7432 * config/i386/i386.c (ix86_standard_x87sse_constant_load_p): New.
7433 * config/i386/i386.md (push mem splitter): Use find_constant_src in
7434 the splitter condition.
7435 (FP load splitter): Use ix86_standard_x87sse_constant_load_p in
7436 the splitter condition.
7437 (FP float_extend load splitter): Ditto.
7439 2016-05-05 Uros Bizjak <ubizjak@gmail.com>
7441 * config/i386/i386.md (peehole2 patterns): Change true_regnum
7442 to REGNO in all peephole2 patterns.
7443 (post-reload splitters): Change true_regnum to REGNO in
7444 post-reload splitters.
7445 (zero_extend splitters): Use general_reg_operand and
7446 nonimmediate_gr_operand predicates.
7448 2016-05-05 Jakub Jelinek <jakub@redhat.com>
7450 * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>): Use
7451 v constraint instead of x.
7453 2016-05-05 Alan Modra <amodra@gmail.com>
7456 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Don't
7457 set OPTION_MASK_RELOCATABLE when flag_pic == 2. Set
7458 TARGET_NO_FP_IN_TOC for -mrelocatable.
7459 (MINIMAL_TOC_SECTION_ASM_OP): Remove redundant
7460 TARGET_RELOCATABLE test.
7461 (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
7462 (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
7463 * config/rs6000/linux64.h (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
7464 (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
7465 (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
7466 * config/rs6000/freebsd64.h (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
7467 (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
7468 (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
7469 * config/rs6000/predicates.md (easy_fp_constant): Likewise.
7470 * config/rs6000/rs6000.c (rs6000_elf_output_toc_section_asm_op):
7472 (rs6000_assemble_integer): Update TARGET_RELOCATABLE test.
7473 (rs6000_stack_info): Likewise.
7474 (rs6000_elf_asm_out_constructor): Likewise.
7475 (rs6000_elf_asm_out_destructor): Likewise.
7476 (rs6000_elf_declare_function_name): Likewise.
7477 * config/rs6000/rs6000.md (load_toc_aix_di): Likewise.
7478 * config/rs6000/rs6000.h (MASK_RELOCATABLE, MASK_MINIMAL_TOC):
7481 2016-05-05 Alan Modra <amodra@gmail.com>
7483 * config/rs6000/rs6000.c (rs6000_frame_related): Rewrite.
7485 2016-05-05 Alan Modra <amodra@gmail.com>
7487 * config/rs6000/rs6000.c (rs6000_savres_strategy): Don't use
7488 out-of-line gpr restore for one or two regs if that would add
7491 2016-05-04 Uros Bizjak <ubizjak@gmail.com>
7494 * config/i386/i386.md
7495 (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_extend sf->df peephole2):
7496 Change to post-epilogue_completed late splitter. Use sse_reg_operand
7497 as operand 0 predicate.
7498 (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_truncate df->sf peephole2):
7500 (TARGET_SSE_PARTIAL_REG_DEPENDENCY float {si,di}->{sf,df} peephole2):
7501 Ditto. Emit the pattern using RTX.
7503 (TARGET_USE_VECTOR_FP_CONVERTS float_extend sf->df splitter):
7504 Use sse_reg_opreand as operand 0 predicate. Do not use true_regnum in
7505 the post-reload splitter. Use lowpart_subreg instead of gen_rtx_REG.
7506 (TARGET_USE_VECTOR_FP_CONVERTS float_truncate df->sf splitter):
7508 (TARGET_USE_VECTOR_CONVERTS float si->{sf,df} splitter): Use
7509 sse_reg_operand as operand 0 predicate.
7511 (TARGET_SPLIT_MEM_OPND_FOR_FP_CONVERTS float_extend sf->df peephole2):
7512 Use sse_reg_opreand as operand 0 predicate. Use lowpart_subreg
7513 instead of gen_rtx_REG.
7514 (TARGET_SPLIT_MEM_OPND_FOR_FP_CONVERTS float_truncate sf->df peephole2):
7517 2016-05-04 Segher Boessenkool <segher@kernel.crashing.org>
7519 * function.c (emit_use_return_register_into_block): Delete.
7520 (gen_return_pattern): Delete.
7521 (emit_return_into_block): Delete.
7522 (active_insn_between): Delete.
7523 (convert_jumps_to_returns): Delete.
7524 (emit_return_for_exit): Delete.
7525 (thread_prologue_and_epilogue_insns): Delete all code dealing with
7526 simple_return for shrink-wrapped blocks.
7527 * shrink-wrap.c (try_shrink_wrapping): Insert simple_return at the
7528 end of blocks that need one.
7529 (get_unconverted_simple_return): Delete.
7530 (convert_to_simple_return): Delete.
7531 * shrink-wrap.c (get_unconverted_simple_return): Delete declaration.
7532 (convert_to_simple_return): Ditto.
7534 2016-05-04 Segher Boessenkool <segher@kernel.crashing.org>
7536 * cfgcleanup.c (bb_is_just_return): New function.
7537 (try_optimize_cfg): Simplify jumps to return, branches to return,
7538 and branches around return.
7540 2016-05-04 Segher Boessenkool <segher@kernel.crashing.org>
7542 * cfgcleanup.c (try_simplify_condjump): Don't try to simplify a
7545 2016-05-04 Jakub Jelinek <jakub@redhat.com>
7549 * tree-core.h (enum operand_equal_flag): Add OEP_HASH_CHECK.
7550 * tree.c (inchash::add_expr): If !IS_EXPR_CODE_CLASS (tclass),
7551 assert flags & OEP_HASH_CHECK, instead of asserting it
7552 never happens. Handle TARGET_EXPR.
7553 * fold-const.c (operand_equal_p): For hash verification,
7554 or in OEP_HASH_CHECK into flags.
7556 2016-05-04 Eric Botcazou <ebotcazou@adacore.com>
7558 * tree-ssa-coalesce.c (gimple_can_coalesce_p): Fix reference in head
7560 (compute_samebase_partition_bases): Fix typo.
7562 2016-05-04 Jakub Jelinek <jakub@redhat.com>
7564 * config/i386/sse.md (vec_interleave_highv8sf,
7565 vec_interleave_lowv8sf, vec_interleave_highv4df,
7566 vec_interleave_lowv4df): Remove constraints from expanders.
7568 * config/i386/sse.md (sse2_movq128): Use v constraint instead of x.
7570 2016-05-04 Jan Hubicka <hubicka@ucw.cz>
7572 * tree-inline.c (expand_call_inline): Fix path dealing with
7573 making lhs of call statement undefined.
7575 2016-05-04 Jan Hubicka <hubicka@ucw.cz>
7577 * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases):
7578 Check availability on NODE, too.
7579 * cgraph.h (symtab_node::call_for_symbol_and_aliases): Likewise.
7580 (cgraph_node::call_for_symbol_and_aliases): Likewise.
7581 (varpool_node::call_for_symbol_and_aliase): Likewise.
7582 * ipa-pure-const.c (add_new_function): Analyze all bodies.
7583 (propagate_pure_const): Propagate across interposable functions, too.
7584 (skip_function_for_local_pure_const): Do not skip interposable bodies
7586 (pass_local_pure_const::execute): Update.
7588 2016-05-04 Marek Polacek <polacek@redhat.com>
7590 * doc/invoke.texi: Document -Wdangling-else.
7592 2016-05-04 Thomas Preud'homme <thomas.preudhomme@arm.com>
7594 * config.gcc: Error out when conflicting multilib is detected. Do not
7595 loop over multilibs since no combination is legal.
7597 2016-05-04 Alan Modra <amodra@gmail.com>
7599 * config/rs6000/rs6000.h (PIC_OFFSET_TABLE_REGNUM): Correct.
7600 * config/rs6000/sysv4.h (TARGET_TOC): Simplify.
7601 * config/rs6000/rs6000.c (rs6000_elf_output_toc_section_asm_op):
7604 2016-05-04 Matthew Fortune <matthew.fortune@imgtec.com>
7606 * config/mips/mips-cpus.def (p5600): Avoid IMADD by default.
7607 Clean up p5600 comments.
7609 2016-05-04 Richard Biener <rguenther@suse.de>
7611 * match.pd: Add BIT_FIELD_REF canonicalizations and vector
7612 constructor simplifications.
7613 * fold-const.c (fold_ternary_loc): Remove duplicate functionality here.
7615 2016-05-04 Oleg Endo <olegendo@gcc.gnu.org>
7617 * config/sh/predicates (post_inc_mem, pre_dec_mem): New predicates.
7618 * config/sh/sh-protos.h (sh_find_set_of_reg): Return null result if
7619 result.set_rtx is null instead of aborting.
7620 * config/sh/sh.h (USE_LOAD_POST_INCREMENT, USE_STORE_PRE_DECREMENT):
7622 (USE_LOAD_PRE_DECREMENT, USE_STORE_POST_INCREMENT): Enable for SH2A.
7623 * config/sh/sh.md (*extend<mode>si2_predec, *mov<mode>_load_predec,
7624 *mov<mode>_store_postinc): New patterns.
7626 2016-05-04 Marc Glisse <marc.glisse@inria.fr>
7628 * match.pd ((A | B) & (A | C)): Generalize to BIT_XOR_EXPR. Mark
7629 as commutative. Check both conversions are NOP.
7630 ((A & B) OP (C & B)): Remove.
7632 2016-05-04 Alan Modra <amodra@gmail.com>
7634 * combine.c (simplify_set): Correct WORD_REGISTER_OPERATIONS test.
7636 2016-05-04 Alan Modra <amodra@gmail.com>
7639 * config/rs6000/rs6000.c (rs6000_stack_info): Don't set cr_save_p
7640 when cr2,3,4 are all fixed regs.
7642 2016-05-04 Bernd Schmidt <bschmidt@redhat.com>
7644 PR rtl-optimization/57193
7645 * opts.c (default_options_table): Revert OPT_frename_registers change.
7646 * doc/invoke.texi (-frename-registers, -O2): Likewise.
7648 2016-05-03 Martin Sebor <msebor@redhat.com>
7651 * builtins.c (fold_builtin_FILE): New function.
7652 (fold_builtin_FUNCTION, fold_builtin_LINE): New functions.
7653 (fold_builtin_0): Call them.
7654 * gimplify.c (gimplify_call_expr): Remove the handling of
7655 BUILT_IN_FILE, BUILT_IN_FUNCTION, and BUILT_IN_LINE.
7658 * doc/extend.texi (Other Builtins): Update __builtin_FILE,
7659 __builtin_FUNCTION, and __builtin_LINE to reflect they yield
7663 * doc/extend.texi (Function Names as Strings): Update __func__,
7664 __FUNCTION__, __PRETTY_FUNCTION__ to reflect they evaluate to
7667 2016-05-03 Jakub Jelinek <jakub@redhat.com>
7668 Richard Biener <rguenther@suse.de>
7670 PR tree-optimization/70916
7671 * tree-if-conv.c: Include cfganal.h.
7672 (pass_if_conversion::execute): Call connect_infinite_loops_to_exit
7673 and remove_fake_exit_edges around the optimization pass.
7675 2016-05-03 Jan Hubicka <hubicka@ucw.cz>
7677 * cgraph.c (symbol_table::create_edge): Set inline_failed.
7678 (cgraph_edge::make_direct): Likewise.
7679 (cgraph_edge::dump_edge_flags): Dump call_stmt_cannot_inline_p.
7680 * cgraphclones.c (duplicate_thunk_for_node): Set inline_failed.
7681 * cif-code.def (CIF_LTO_MISMATCHED_DECLARATIONS): New code
7682 (CIF_THUNK): New code.
7683 * ipa-inline-analysis.c (initialize_inline_failed): Preserve
7684 CIF_FINAL_ERROR codes; do not deal with call_stmt_cannot_inline_p.
7685 (compute_inline_parameters): Set inline_failed for thunks.
7686 (inline_analyze_function): Cleanup.
7687 * ipa-inline.c (can_inline_edge_p): Do not deal with
7688 call_stmt_cannot_inline_p.
7689 (can_early_inline_edge_p): Likewise.
7690 (early_inliner): Initialize inline_failed.
7691 * lto-cgraph.c (lto_output_edge): Sanity check inline_failed.
7693 2016-05-03 Uros Bizjak <ubizjak@gmail.com>
7695 * config/i386/predicates.md (x87nonimm_ssenomem_operand): Rename
7696 from nonimm_ssenomem_operand.
7697 (nonimm_ssenomem_operand): New predicate.
7698 * config/i386/i386.md (extendsfdf2): Use nonimm_ssenomem_operand
7699 as operand 0 predicate.
7700 (*extendsfdf2): Merge from *extendsfdf2_mixed and *extendsfdf2_i387.
7701 Disable unsupported alternatives using "enabled" attribute.
7702 Use register_ssemem_operand as operand 0 predicate.
7703 (*fop_<mode>_1): Use x87nonimm_ssenomem_operand as operand 1 predicate.
7705 2016-05-03 Marek Polacek <polacek@redhat.com>
7708 * input.c (expansion_point_location): New function.
7709 * input.h (expansion_point_location): Declare.
7711 2016-05-03 Pierre-Marie de Rodat <derodat@adacore.com>
7713 * dwarf2out.c (resolve_args_picking_1): Replace the frame_offset
7714 occurence with frame_offset_ ones.
7716 2016-05-03 Alan Modra <amodra@gmail.com>
7718 PR rtl-optimization/70890
7719 * ira.c (combine_and_move_insns): When moving def_insn, remove
7722 2016-05-03 Dominik Vogt <vogt@linux.vnet.ibm.com>
7724 * config/s390/s390.md ("*r<noxa>sbg_<mode>_sll")
7725 ("*r<noxa>sbg_<mode>_srl"): New define_insns.
7726 ("*r<noxa>sbg_<mode>_srl_bitmask"): Rename by adding "_bitmask".
7727 ("*r<noxa>sbg_<mode>_sll_bitmask"): Likewise.
7729 2016-05-03 Alan Modra <amodra@gmail.com>
7731 * config/rs6000/rs6000.c (rs6000_savres_strategy): Correct condition
7732 for SAVE_MULTIPLE/STORE_MULTIPLE.
7734 2016-05-03 Jakub Jelinek <jakub@redhat.com>
7736 * config/i386/i386.md (*truncdfsf_mixed, *truncdfsf_i387,
7737 *truncxfsf2_mixed, *truncxfdf2_mixed): Use v constraint instead of x.
7739 2016-05-03 Richard Biener <rguenther@suse.de>
7741 * gimplify.h (get_initialized_tmp_var): Add allow_ssa parameter
7743 (gimplify_arg): Likewise.
7744 * gimplify.c (gimplify_expr): Add overload with allow_ssa parameter,
7745 re-writing the result to a decl if required.
7746 (internal_get_tmp_var): Add allow_ssa parameter
7747 and override into_ssa with it.
7748 (get_formal_tmp_var): Adjust.
7749 (get_initialized_tmp_var): Add allow_ssa parameter.
7750 (gimplify_arg): Add allow_ssa parameter and avoid generating
7751 SSA names for the result false.
7752 (gimplify_call_expr): If the call may return twice do not
7753 gimplify parameters into SSA.
7754 (prepare_gimple_addressable): Do not allow an SSA name as temporary.
7755 (gimplify_modify_expr): Adjust assert. For noreturn calls
7756 with a SSA name LHS adjust its def.
7757 (gimplify_save_expr): Do not allow an SSA name as save-expr result.
7758 (gimplify_one_sizepos): Do not allow an SSA name as a sizepos.
7759 (gimplify_body): Init GIMPLE SSA data structures and gimplify into-SSA.
7760 (gimplify_scan_omp_clauses): Make sure OMP_CLAUSE_SIZE is not
7761 an SSA name. Likewise for OMP_CLAUSE_REDUCTION operands.
7762 (gimplify_omp_for): Likewise for OMP_CLAUSE_DECL. Likewise
7763 for OMP_FOR_COND, OMP_FOR_INCR and OMP_CLAUSE_LINEAR_STEP.
7764 (optimize_target_teams): Do not allow SSA names for clause operands.
7765 (gimplify_expr): Likewise for where we mark the result addressable.
7766 * passes.def (pass_init_datastructures): Remove.
7767 * tree-into-ssa.c (mark_def_sites): Ignore existing SSA names.
7768 (rewrite_stmt): Likewise.
7769 * tree-inline.c (initialize_cfun): Properly transfer SSA state.
7770 (replace_locals_op): Replace SSA names.
7771 (copy_gimple_seq_and_replace_locals): Init src_cfun.
7772 * gimple-low.c (lower_builtin_setjmp): Deal with SSA.
7773 * cgraph.c (release_function_body): Free CFG annotations only
7774 when we have a CFG. Simplify.
7775 * gimple-fold.c (gimplify_and_update_call_from_tree): Use
7776 force_gimple_operand instead of get_initialized_tmp_var.
7777 * tree-pass.h (make_pass_init_datastructures): Remove.
7778 * tree-ssa.c (execute_init_datastructures): Remove.
7779 (pass_data_init_datastructures): Likewise.
7780 (class pass_init_datastructures): Likewise.
7781 (make_pass_init_datastructures): Likewise.
7782 * omp-low.c (create_omp_child_function): Init SSA data structures.
7783 (grid_expand_target_grid_body): Likewise.
7784 * tree-cfg.c (move_block_to_fn): Double-check the DEF is an SSA
7785 name before adding it to names_to_release.
7786 (remove_bb): Always release SSA defs.
7787 * tree-ssa-ccp.c (get_default_value): Check SSA_NAME_VAR
7788 before dereferencing it.
7789 * cgraphunit.c (init_lowered_empty_function): Always
7790 int SSA data structures.
7791 * tree-ssanames.c (release_defs): Remove assert that we are in
7793 * trans-mem.c (diagnose_tm_1): Handle SSA name function.
7795 2016-05-03 Jakub Jelinek <jakub@redhat.com>
7796 Uros Bizjak <ubizjak@gmail.com>
7798 PR rtl-optimization/70467
7799 * config/i386/predicates.md (x86_64_hilo_int_operand,
7800 x86_64_hilo_general_operand): New predicates.
7801 * config/i386/constraints.md (Wd): New constraint.
7802 * config/i386/i386.md (mode attr di): Use Wd instead of e.
7803 (general_hilo_operand): New mode attr.
7804 (add<mode>3, sub<mode>3): Use <general_hilo_operand>
7805 instead of <general_operand>.
7806 (*add<dwi>3_doubleword, *sub<dwi>3_doubleword): Use
7807 x86_64_hilo_general_operand instead of <general_operand>.
7809 2016-05-03 Jakub Jelinek <jakub@redhat.com>
7811 PR tree-optimization/70916
7812 * tree-if-conv.c (constant_or_ssa_name): Removed.
7813 (fold_build_cond_expr): Use is_gimple_val instead of
7814 constant_or_ssa_name.
7816 PR tree-optimization/70916
7817 * tree-vect-patterns.c (vect_recog_mask_conversion_pattern): Give up
7818 if COND_EXPR rhs1 is neither SSA_NAME nor COMPARISON_CLASS_P.
7821 * tree-ssa-ccp.c: Include stor-layout.h and optabs-query.h.
7822 (optimize_atomic_bit_test_and): New function.
7823 (pass_fold_builtins::execute): Use it.
7824 * optabs.def (atomic_bit_test_and_set_optab,
7825 atomic_bit_test_and_complement_optab,
7826 atomic_bit_test_and_reset_optab): New optabs.
7827 * internal-fn.def (ATOMIC_BIT_TEST_AND_SET,
7828 ATOMIC_BIT_TEST_AND_COMPLEMENT, ATOMIC_BIT_TEST_AND_RESET): New ifns.
7829 * builtins.h (expand_ifn_atomic_bit_test_and): New prototype.
7830 * builtins.c (expand_ifn_atomic_bit_test_and): New function.
7831 * internal-fn.c (expand_ATOMIC_BIT_TEST_AND_SET,
7832 expand_ATOMIC_BIT_TEST_AND_COMPLEMENT,
7833 expand_ATOMIC_BIT_TEST_AND_RESET): New functions.
7834 * doc/md.texi (atomic_bit_test_and_set@var{mode},
7835 atomic_bit_test_and_complement@var{mode},
7836 atomic_bit_test_and_reset@var{mode}): Document.
7837 * config/i386/sync.md (atomic_bit_test_and_set<mode>,
7838 atomic_bit_test_and_complement<mode>,
7839 atomic_bit_test_and_reset<mode>): New expanders.
7840 (atomic_bit_test_and_set<mode>_1,
7841 atomic_bit_test_and_complement<mode>_1,
7842 atomic_bit_test_and_reset<mode>_1): New insns.
7844 2016-05-03 Richard Sandiford <richard.sandiford@arm.com>
7846 PR rtl-optimization/70687
7847 * combine.c (change_zero_ext): Check for scalar modes. Use wide_int
7848 instead of unsigned HOST_WIDE_INT.
7850 2016-05-03 Bernd Schmidt <bschmidt@redhat.com>
7852 PR rtl-optimization/44281
7853 * hard-reg-set.h (struct target_hard_regs): New field
7854 x_fixed_nonglobal_reg_set.
7855 (fixed_nonglobal_reg_set): New macro.
7856 * reginfo.c (init_reg_sets_1): Initialize it.
7857 * ira.c (setup_alloc_regs): Use fixed_nonglobal_reg_set instead
7859 * df-scan.c (df_insn_refs_collect): Asms may reference global regs.
7861 2016-05-03 Bin Cheng <bin.cheng@arm.com>
7863 PR tree-optimization/56541
7864 * doc/invoke.texi (@item max-tree-if-conversion-phi-args): New item.
7865 * params.def (PARAM_MAX_TREE_IF_CONVERSION_PHI_ARGS): new param.
7866 * tree-if-conv.c (MAX_PHI_ARG_NUM): new macro.
7867 (any_complicated_phi): new static variable.
7868 (aggressive_if_conv): delete.
7869 (if_convertible_phi_p): support phis with more than two arguments.
7870 (if_convertible_bb_p): remvoe check on aggressive_if_conv and
7871 critical pred edges.
7872 (ifcvt_split_critical_edges): support phis with more than two
7873 arguments by checking new parameter. only split critical edges
7875 (tree_if_conversion): handle simd pragma marked loop using new
7876 local variable aggressive_if_conv. check any_complicated_phi.
7878 2016-05-03 Bin Cheng <bin.cheng@arm.com>
7880 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Check depends_on
7883 2016-05-03 Bin Cheng <bin.cheng@arm.com>
7885 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Don't clobber
7888 2016-05-03 Oleg Endo <olegendo@gcc.gnu.org>
7890 * config/sh/sh.md (udivsi3, divsi3, mulsi3): Simplify.
7891 (mulhisi3, umulhisi3, (smulsi3_highpart, umulsi3_highpart): Convert to
7892 define_insn_and_split.
7893 (mulsi3_i): New define_insn_and_split.
7894 (mulsi3_call): Convert to define_insn.
7895 (mulsidi3, mulsidi3_compact, umulsidi3, umulsidi3_compact):
7898 2016-05-02 Michael Meissner <meissner@linux.vnet.ibm.com>
7900 * machmode.h (mode_complex): Add support to give the complex mode
7902 (GET_MODE_COMPLEX_MODE): Likewise.
7903 * stor-layout.c (layout_type): For COMPLEX_TYPE, use the mode
7904 stored by build_complex_type and gfc_build_complex_type instead of
7905 trying to figure out the appropriate mode based on the size. Raise
7906 an assertion error, if the type was not set.
7907 * genmodes.c (struct mode_data): Add field for the complex type of
7909 (blank_mode): Likewise.
7910 (make_complex_modes): Remember the complex mode created in the
7912 (emit_mode_complex): Write out the mode_complex array to map a
7913 type mode to the complex version.
7914 (emit_insn_modes_c): Likewise.
7915 * tree.c (build_complex_type): Set the complex type to use before
7916 calling layout_type.
7917 * config/rs6000/rs6000.c (rs6000_hard_regno_nregs_internal): Add
7918 support for __float128 complex datatypes.
7919 (rs6000_hard_regno_mode_ok): Likewise.
7920 (rs6000_setup_reg_addr_masks): Likewise.
7921 (rs6000_complex_function_value): Likewise.
7922 * config/rs6000/rs6000.h (FLOAT128_IEEE_P): Likewise.
7923 __float128 and __ibm128 complex.
7924 (FLOAT128_IBM_P): Likewise.
7925 (ALTIVEC_ARG_MAX_RETURN): Likewise.
7926 * doc/extend.texi (Additional Floating Types): Document that
7927 -mfloat128 must be used to enable __float128. Document complex
7928 __float128 and __ibm128 support.
7930 2016-05-02 Jakub Jelinek <jakub@redhat.com>
7933 * gimple.c (gimple_builtin_call_types_compatible_p): Allow
7934 char/short arguments promoted to int because of promote_prototypes.
7936 2016-05-02 Uros Bizjak <ubizjak@gmail.com>
7938 * config/i386/predicates.md (register_ssemem_operand): New predicate.
7939 * config/i386/i386.md (*cmpi<FPCMP:unord><MODEF:mode>): Merge from
7940 *cmpi<FPCMP:unord><MODEF:mode>_mixed and
7941 *cmpi<FPCMP:unord><X87MODEF:mode>_i387. Disable unsupported
7942 alternatives using "enabled" attribute. Use register_ssemem_operand
7943 as operand 1 predicate.
7944 (*cmpi<unord>xf_i387): Split XFmode pattern from
7945 *cmpi<FPCMP:unord><X87MODEF:mode>_i387.
7946 (*absneg<mode>2): Merge from *absneg<mode>2_mixed and
7947 *absneg<mode>2_i387. Disable unsupported alternatives using
7948 "enabled" attribute.
7949 (*absnegxf2_i387): Split XFmode pattern from *absneg<mode>2_i387.
7951 2016-05-02 Nathan Sidwell <nathan@codesourcery.com>
7953 * omp-low.c (lower_oacc_head_tail): Assert there is at least one
7955 (oacc_loop_process): Check mask for loop termination.
7957 2016-05-02 Jan Hubicka <hubicka@ucw.cz>
7959 * cif-code.def (CIF_THUNK): Add.
7960 * ipa-inline-analsysis.c (evaluate_conditions_for_known_args): Revert
7963 2016-05-02 Jan Hubicka <hubicka@ucw.cz>
7965 * ipa-inline-analysis.c (reset_inline_summary): Clear fp_expressions
7966 (dump_inline_summary): Dump it.
7967 (fp_expression_p): New predicate.
7968 (estimate_function_body_sizes): Use it.
7969 (inline_merge_summary): Merge fp_expressions.
7970 (inline_read_section): Read fp_expressions.
7971 (inline_write_summary): Write fp_expressions.
7972 * ipa-inline.c (can_inline_edge_p): Permit inlining across fp math
7973 codegen boundary if either caller or callee is !fp_expressions.
7974 * ipa-inline.h (inline_summary): Add fp_expressions.
7975 * ipa-inline-transform.c (inline_call): When inlining !fp_expressions
7976 to fp_expressions be sure the fp generation flags are updated.
7978 2016-05-02 Jakub Jelinek <jakub@redhat.com>
7980 PR rtl-optimization/70467
7981 * cse.c (cse_insn): Handle no-op MEM moves after folding.
7983 PR rtl-optimization/70467
7984 * ipa-pure-const.c (check_call): Handle internal calls even in
7985 ipa mode like in local mode.
7987 2016-05-02 Bernd Edlinger <bernd.edlinger@hotmail.de>
7989 * doc/install.texi: Document supported in-tree gmp/mpfr/mpc versions.
7991 2016-05-02 Marc Glisse <marc.glisse@inria.fr>
7993 * match.pd (X u< X, X u> X): New transformations.
7995 2016-05-02 Marc Glisse <marc.glisse@inria.fr>
7997 * flag-types.h (enum warn_strict_overflow_code): Move ...
7998 * coretypes.h: ... here.
7999 * fold-const.h (fold_overflow_warning): Declare.
8000 * fold-const.c (fold_overflow_warning): Make non-static.
8001 (fold_comparison): Move the transformation of X +- C1 CMP C2
8002 into X CMP C2 -+ C1 ...
8003 * match.pd: ... here.
8004 * gimple-fold.c (fold_stmt_1): Protect with
8005 fold_defer_overflow_warnings.
8007 2016-05-02 Nathan Sidwell <nathan@codesourcery.com>
8009 * omp-low.c (struct oacc_loop): Add 'inner' field.
8010 (new_oacc_loop_raw): Initialize it to zero.
8011 (oacc_loop_fixed_partitions): Initialize it.
8012 (oacc_loop_auto_partitions): Partition outermost loop to outermost
8013 available partitioning.
8015 2016-05-02 Claudiu Zissulescu <claziss@synopsys.com>
8017 * config/arc/arc.md (mulsidi3): Change operand 0 predicate to
8019 (umulsidi3): Likewise.
8020 (indirect_jump): Fix jump instruction assembly patterns.
8022 2016-05-02 Thomas Schwinge <thomas@codesourcery.com>
8025 * config/nvptx/nvptx.c (nvptx_libcall_value): Handle NULL cfun.
8026 (nvptx_function_value): Assert non-NULL cfun.
8028 2016-05-02 Eric Botcazou <ebotcazou@adacore.com>
8030 PR rtl-optimization/70886
8031 * sched-deps.c (estimate_dep_weak): Canonicalize cselib values.
8033 * cselib.h (rtx_equal_for_cselib_1): Declare.
8034 (rtx_equal_for_cselib_p: New inline function.
8035 * cselib.c (rtx_equal_for_cselib_p): Delete.
8036 (rtx_equal_for_cselib_1): Make public.
8038 2016-05-02 Uros Bizjak <ubizjak@gmail.com>
8040 * config/i386/predicates.md (nonimm_ssenomem_operand): New predicate.
8041 (register_mixssei387nonimm_operand): Remove predicate.
8042 * config/i386/i386.md (*fop_<mode>_comm): Merge from
8043 *fop_<mode>_comm_mixed and *fop_<mode>_comm_i387. Disable unsupported
8044 alternatives using "enabled" attribute. Also check X87_ENABLE_ARITH
8045 for TARGET_MIX_SSE_I387 alternatives.
8046 (*fop_<mode>_1): Merge from *fop_<mode>_1_mixed and *fop_<mode>_1_i387.
8047 Disable unsupported alternatives using "enabled" attribute. Use
8048 nonimm_ssenomem_operand as operand 1 predicate. Also check
8049 X87_ENABLE_ARITH for TARGET_MIX_SSE_I387 alternatives.
8051 2016-05-02 Richard Sandiford <richard.sandiford@arm.com>
8053 * tree.c (cst_and_fits_in_hwi): Simplify.
8055 2016-05-02 Richard Sandiford <richard.sandiford@arm.com>
8057 * tree.h (wi::to_wide): New function.
8058 * expr.c (expand_expr_real_1): Use wi::to_wide.
8059 * fold-const.c (int_const_binop_1): Likewise.
8060 (extract_muldiv_1): Likewise.
8062 2016-05-02 Richard Sandiford <richard.sandiford@arm.com>
8064 * wide-int.h: Update offset_int and widest_int documentation.
8065 (WI_SIGNED_SHIFT_RESULT): New macro.
8066 (wi::binary_shift): Define signed_shift_result_type for
8067 shifts on offset_int- and widest_int-like types.
8068 (generic_wide_int): Support <<= and >>= if << and >> are supported.
8069 * tree.h (int_bit_position): Use shift operators instead of wi::
8071 * alias.c (adjust_offset_for_component_ref): Likewise.
8072 * expr.c (get_inner_reference): Likewise.
8073 * fold-const.c (fold_comparison): Likewise.
8074 * gimple-fold.c (fold_nonarray_ctor_reference): Likewise.
8075 * gimple-ssa-strength-reduction.c (restructure_reference): Likewise.
8076 * tree-dfa.c (get_ref_base_and_extent): Likewise.
8077 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Likewise.
8078 (stmt_kills_ref_p): Likewise.
8079 * tree-ssa-ccp.c (bit_value_binop_1): Likewise.
8080 * tree-ssa-math-opts.c (find_bswap_or_nop_load): Likewise.
8081 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
8082 (ao_ref_init_from_vn_reference): Likewise.
8084 2016-05-02 Richard Sandiford <richard.sandiford@arm.com>
8086 * wide-int.h: Update offset_int and widest_int documentation.
8087 (WI_SIGNED_BINARY_PREDICATE_RESULT): New macro.
8088 (wi::binary_traits): Allow ordered comparisons between offset_int and
8089 offset_int, between widest_int and widest_int, and between either
8090 of these types and basic C types.
8091 (operator <, <=, >, >=): Define for the same combinations.
8092 * tree.h (tree_int_cst_lt): Use comparison operators instead
8093 of wi:: comparisons.
8094 (tree_int_cst_le): Likewise.
8095 * gimple-fold.c (fold_array_ctor_reference): Likewise.
8096 (fold_nonarray_ctor_reference): Likewise.
8097 * gimple-ssa-strength-reduction.c (record_increment): Likewise.
8098 * tree-affine.c (aff_comb_cannot_overlap_p): Likewise.
8099 * tree-parloops.c (try_transform_to_exit_first_loop_alt): Likewise.
8100 * tree-sra.c (completely_scalarize): Likewise.
8101 * tree-ssa-alias.c (stmt_kills_ref_p): Likewise.
8102 * tree-ssa-reassoc.c (extract_bit_test_mask): Likewise.
8103 * tree-vrp.c (extract_range_from_binary_expr_1): Likewise.
8104 (check_for_binary_op_overflow): Likewise.
8105 (search_for_addr_array): Likewise.
8106 * ubsan.c (ubsan_expand_objsize_ifn): Likewise.
8108 2016-05-02 Claudiu Zissulescu <claziss@synopsys.com>
8110 * config/arc/arc.c (arc_preferred_simd_mode): Remove enum keyword.
8111 (arc_save_restore): Likewise.
8112 (arc_dwarf_register_span): Likewise.
8113 (arc_output_pic_addr_const): Initialize suffix variable.
8115 2016-05-02 Martin Liska <mliska@suse.cz>
8117 * symbol-summary.h (function_summary::function_summary):
8118 Remove checking assert for all cgraph nodes.
8119 (function_summary::get): Check summary_uid.
8120 (symtab_insertion): Check summary_uid.
8122 2016-05-02 Claudiu Zissulescu <claziss@synopsys.com>
8124 * config/arc/arc-protos.h (compact_memory_operand_p): Declare.
8125 * config/arc/arc.c (arc_output_commutative_cond_exec): Consider
8127 (arc_dwarf_register_span): Remove enum keyword.
8128 (compact_memory_operand_p): New function.
8129 * config/arc/arc.h (reg_class): Add code density register classes.
8130 (REG_CLASS_NAMES): Likewise.
8131 (REG_CLASS_CONTENTS): Likewise.
8132 * config/arc/arc.md (*movqi_insn): Add code density instructions.
8133 (*movhi_insn, *movsi_insn, *movsf_insn): Likewise.
8134 (*extendhisi2_i, andsi3_i, cmpsi_cc_insn_mixed): Likewise.
8135 (*cmpsi_cc_c_insn, *movsi_ne): Likewise.
8136 * config/arc/constraints.md (C2p, Uts, Cm1, Cm3, Ucd): New
8138 (h, Rcd, Rsd, Rzd): New register constraints.
8139 (T): Use compact_memory_operand_p function.
8140 * config/arc/predicates.md (compact_load_memory_operand): Remove.
8142 2016-05-02 Oleg Endo <olegendo@gcc.gnu.org>
8144 * config/sh/sh.md (*negnegt, *movtt): Remove.
8146 2016-05-02 Marek Polacek <polacek@redhat.com>
8147 Tom de Vries <tom@codesourcery.com>
8149 PR tree-optimization/70700
8150 * tree-ssa-structalias.c (dump_pred_graph): Fix getting varinfo for ids
8151 bigger than FIRST_REF_NODE.
8153 2016-05-02 Oleg Endo <olegendo@gcc.gnu.org>
8156 * config/sh/sh.c (sh_option_override): Remove TARGET_CBRANCHDI4,
8158 (prepare_cbranch_operands): Don't use scratch register. Assume that
8159 function is used when pseudos can be created.
8160 (expand_cbranchdi4): Likewise. Remove unused TARGET_CMPEQDI_T paths.
8161 * config/sh/sh.md (cbranchsi4): Allow only when pseudos can be created.
8162 (cbranchdi4, cbranchdi4_i): Simplify to single cbranchdi4
8163 define_expand. Allow it only when pseudos can be created.
8164 * config/sh/sh.opt (mcbranchdi, mcmpeqdi): Delete.
8166 2016-05-01 Uros Bizjak <ubizjak@gmail.com>
8168 * config/i386/constraints.md (BC): Only allow -1 operands.
8169 * config/i386/sse.md (mov<mode>_internal): Add (v,C) alternative.
8170 Add "enabled" attribute. Update XI mode attribute calculation.
8171 * config/i386/i386.md (*movxi_internal_avx512f): Add (v,C) alternative.
8172 (*movoi_internal_avx): Update XI mode attribute calculation.
8173 (*movti_internal): Ditto.
8175 2016-05-01 Oleg Endo <olegendo@gcc.gnu.org>
8177 * config/sh/sh.md (push, pop, ic_invalidate_line, cstoresi4, cstoredi4,
8178 cstoresf4, cstoredf4, fix_truncsfsi2): Remove constraints.
8180 2016-05-01 Eric Botcazou <ebotcazou@adacore.com>
8182 * config/rs6000/rs6000.c (altivec_expand_lv_builtin): Do not use switch
8183 statement on instruction code. Remove trailing spaces.
8184 (altivec_expand_stv_builtin): Likewise.
8186 2016-05-01 Oleg Endo <olegendo@gcc.gnu.org>
8188 * config/sh/sh.h (TARGET_SH4): Remove and use default implementation.
8189 (TARGET_FPU_DOUBLE): Simplify.
8190 (BASE_ARG_REG, DOUBLE_TYPE_SIZE, OPTIMIZE_MODE_SWITCHING): Replace
8191 'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions with 'TARGET_FPU_DOUBLE'.
8192 * config/sh/sh.c: Replace 'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions
8193 with 'TARGET_FPU_DOUBLE'.
8194 * config/sh/sh.md: Likewise.
8196 2016-05-01 Yoshinori Sato <ysato@users.sourceforge.jp>
8198 * config/sh/linux.h (SH_DIV_STRATEGY_DEFAULT,
8199 SH_DIV_STR_FOR_SIZE): Remove.
8200 * config/sh/netbsd-elf.h (SH_DIV_STRATEGY_DEFAULT,
8201 SH_DIV_STR_FOR_SIZE): Remove.
8203 2016-05-01 Oleg Endo <olegendo@gcc.gnu.org>
8205 * config/sh/predicates.md (any_register_operand, zero_extend_operand,
8206 logical_reg_operand): Delete.
8207 (arith_operand, arith_reg_dest, arith_or_int_operand, cmpsi_operand,
8208 arith_reg_or_0_operand, arith_reg_or_0_or_1_operand, logical_operand,
8209 logical_and_operand, movsrc_no_disp_mem_operand): Rewrite using
8210 match_operand and match_test.
8211 (sh_const_vec, sh_1el_vec): Remove redundant checks. Declare local
8212 variables on their first use. Return bool values.
8213 * config/sh/sh.h (LOAD_EXTEND_OP): Update comment.
8214 * config/sh/sh.md (andsi3, iorsi3): Use arith_reg_dest for result and
8215 arith_reg_operand for input operand. Remove empty constraints.
8217 (*xorsi3_compact): Rename to xorsi3.
8218 (zero_extend<mode>si2): Use arith_reg_operand for input operand.
8219 (*zero_extend<mode>si2_disp_mem): Update comment.
8222 2016-04-30 Oleg Endo <olegendo@gcc.gnu.org>
8224 * config/sh/t-sh: Remove SH5 support.
8225 * config.gcc: Likewise.
8226 * configure: Likewise.
8228 2016-04-30 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8230 * config/darwin.h (LINK_COMMAND_SPEC_A): Handle -fcilkplus.
8232 2016-04-30 Oleg Endo <olegendo@gcc.gnu.org>
8234 * config/sh/sh.c (register_sh_passes, sh_option_override,
8235 sh_print_operand, prepare_move_operands,
8236 sh_can_follow_jump): Remove TARGET_SH1 checks.
8237 * config/sh/sh.h (TARGET_VARARGS_PRETEND_ARGS, VALID_REGISTER_P,
8238 PROMOTE_MODE): Likewise.
8239 * config/sh/sh.md (adddi3, addsi3, subdi3, subsi3, andsi3,
8242 2016-04-30 Alan Modra <amodra@gmail.com>
8244 * config/rs6000/rs6000.c (rs6000_savres_strategy): Force inline
8245 restoring when fixed_reg_p, but allow out-of-line or stmw save.
8246 Check for user regs later to avoid unnecessary looping over regs.
8247 Merge user reg check with non-saved reg check. Don't force
8248 inline VR restore when static chain used.
8249 (rs6000_frame_related): Omit eh_frame info for user regs when
8251 (fixed_regs_p): Delete.
8253 2016-04-30 Alan Modra <amodra@gmail.com>
8255 * config/rs6000/rs6000.c (SAVRES_MULTIPLE): Replace with..
8256 (SAVE_STRATEGY, REST_STRATEGY): ..this. Renumber and sort enum.
8259 2016-04-30 Alan Modra <amodra@gmail.com>
8262 * config/rs6000/rs6000.c (fixed_reg_p): New function.
8263 (fixed_regs_p): Rename from global_regs_p. Call fixed_reg_p.
8266 2016-04-30 Alan Modra <amodra@gmail.com>
8268 * config/rs6000/rs6000.c (rs6000_conditional_register_usage):
8269 Remove redundant PIC_OFFSET_TABLE_REGNUM test. Replace with
8270 flag_pic test for Darwin.
8272 2016-04-30 Alan Modra <amodra@gmail.com>
8274 * regs.h (struct reg_info_t): Delete freq_calls_crossed and
8275 throw_calls_crossed.
8276 (REG_FREQ_CALLS_CROSSED): Delete.
8277 (REG_N_THROWING_CALLS_CROSSED): Delete.
8278 * regstat.c (regstat_bb_compute_ri): Don't calculate
8279 REG_FREQ_CALLS_CROSSED and REG_N_THROWING_CALLS_CROSSED.
8280 (dump_reg_info): Don't print call cross frequency.
8281 * ira.c (combine_and_move_insns): Don't set REG_FREQ_CALLS_CROSSED
8282 and REG_N_THROWING_CALLS_CROSSED.
8284 2016-04-30 Alan Modra <amodra@gmail.com>
8286 * regs.h (struct reg_info_t): Delete live_length.
8287 (REG_LIVE_LENGTH): Delete macro.
8288 * regstat.c (regstat_bb_compute_ri): Delete artificial_uses,
8289 local_live, local_processed and local_live_last_luid params.
8290 Replace bb_index param with bb. Don't set REG_LIVE_LENGTH.
8292 (regstat_compute_ri): Adjust for above. Don't set
8294 (dump_reg_info): Don't print live length.
8295 * ira.c (update_equiv_regs): Replace test of REG_LIVE_LENGTH
8296 with test of setjmp_crosses. Don't set REG_LIVE_LENGTH.
8297 Localize loop_depth var.
8299 2016-04-30 Alan Modra <amodra@gmail.com>
8301 * ira.c (enum valid_equiv): New.
8302 (validate_equiv_mem): Return enum.
8303 (update_equiv_mem): Create replacement in more cases.
8304 (add_store_equivs): Update validate_equiv_mem call.
8306 2016-04-30 Alan Modra <amodra@gmail.com>
8308 * ira.c (combine_and_move_insns): Rather than scanning insns,
8309 use DF infrastucture to find use and def insns.
8311 2016-04-30 Alan Modra <amodra@gmail.com>
8313 ira.c (combine_and_move_insns): Move invariant conditions..
8314 (ira.c): ..to here. Call combine_and_move_insns before
8315 add_store_equivs. Call grow_reg_equivs later. Allocate
8316 req_equiv later using max_reg_num() rather than global max_regno.
8317 (contains_replace_regs): Delete.
8318 (add_store_equivs): Remove contains_replace_regs test.
8320 2016-04-30 Alan Modra <amodra@gmail.com>
8322 * ira.c (struct equiv_mem_data): New.
8323 (equiv_mem, equiv_mem_modified): Delete static vars.
8324 (validate_equiv_mem_from_store): Use "data" param to communicate..
8325 (validate_equiv_mem): ..from here.
8327 2016-04-30 Alan Modra <amodra@gmail.com>
8329 * ira.c (add_store_equivs, combine_and_move_insns): New functions,
8331 (update_reg_equivs): ..here. Move allocation and freeing of
8332 reg_equiv, and calls to grow_reg_equivs, init_alias_analysis,
8333 end_alias_analysis to..
8336 2016-04-30 Alan Modra <amodra@gmail.com>
8338 * ira.c (pdx_subregs): Delete.
8339 (struct equivalence): Add pdx_subregs field.
8340 (set_paradoxical_subreg): Remove pdx_subregs param. Update
8342 (update_equiv_regs): Don't create or free pdx_subregs. Update
8345 2016-04-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
8347 * config/rs6000/altivec.h: Change definitions of vec_xl and
8349 * config/rs6000/rs6000-builtin.def (LD_ELEMREV_V2DF): New.
8350 (LD_ELEMREV_V2DI): New.
8351 (LD_ELEMREV_V4SF): New.
8352 (LD_ELEMREV_V4SI): New.
8353 (LD_ELEMREV_V8HI): New.
8354 (LD_ELEMREV_V16QI): New.
8355 (ST_ELEMREV_V2DF): New.
8356 (ST_ELEMREV_V2DI): New.
8357 (ST_ELEMREV_V4SF): New.
8358 (ST_ELEMREV_V4SI): New.
8359 (ST_ELEMREV_V8HI): New.
8360 (ST_ELEMREV_V16QI): New.
8363 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
8364 descriptions for VSX_BUILTIN_VEC_XL and VSX_BUILTIN_VEC_XST.
8365 * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Map from
8366 TARGET_P9_VECTOR to RS6000_BTM_P9_VECTOR.
8367 (altivec_expand_builtin): Add handling for
8368 VSX_BUILTIN_ST_ELEMREV_<MODE> and VSX_BUILTIN_LD_ELEMREV_<MODE>.
8369 (rs6000_invalid_builtin): Add error-checking for
8370 RS6000_BTM_P9_VECTOR.
8371 (altivec_init_builtins): Define builtins used to implement vec_xl
8373 (rs6000_builtin_mask_names): Define power9-vector.
8374 * config/rs6000/rs6000.h (MASK_P9_VECTOR): Define.
8375 (RS6000_BTM_P9_VECTOR): Define.
8376 (RS6000_BTM_COMMON): Include RS6000_BTM_P9_VECTOR.
8377 * config/rs6000/vsx.md (vsx_ld_elemrev_v2di): New define_insn.
8378 (vsx_ld_elemrev_v2df): Likewise.
8379 (vsx_ld_elemrev_v4sf): Likewise.
8380 (vsx_ld_elemrev_v4si): Likewise.
8381 (vsx_ld_elemrev_v8hi): Likewise.
8382 (vsx_ld_elemrev_v16qi): Likewise.
8383 (vsx_st_elemrev_v2df): Likewise.
8384 (vsx_st_elemrev_v2di): Likewise.
8385 (vsx_st_elemrev_v4sf): Likewise.
8386 (vsx_st_elemrev_v4si): Likewise.
8387 (vsx_st_elemrev_v8hi): Likewise.
8388 (vsx_st_elemrev_v16qi): Likewise.
8389 * doc/extend.texi: Add prototypes for vec_xl and vec_xst. Correct
8392 2016-04-29 Patrick Palka <ppalka@gcc.gnu.org>
8394 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Split
8396 (simplify_control_stmt_condition_1): ... here. Recurse into
8397 BIT_AND_EXPRs and BIT_IOR_EXPRs.
8399 2016-04-29 David Edelsohn <dje.gcc@gmail.com>
8402 * config/rs6000/rs6000.md (EXTQI): Don't allow extension to HImode.
8403 (zero_extendqi<mode>2_dot): Revert earlier conversion from
8404 define_insn_and_split to define_insn.
8405 (zero_extendqi<mode>2_dot2): Same.
8406 (extendqi<mode>2_dot): Same.
8407 (extendqi<mode>2_dot2): Same.
8409 2016-04-29 Uros Bizjak <ubizjak@gmail.com>
8411 * config/i386/i386.md (unspec): Add UNSPEC_PROBE_STACK.
8412 (probe_stack): New expander.
8413 (probe_stack_<mode>): New insn pattern.
8415 2016-04-29 Uros Bizjak <ubizjak@gmail.com>
8417 * config/i386/i386.md
8418 (operations with memory inputs setting flags peephole2):
8419 Remove uneeded REG_P checks. Cleanup pattern generation.
8421 2016-04-29 Ilya Enkovich <ilya.enkovich@intel.com>
8423 * tree-vect-loop.c (vect_transform_loop): Fix
8424 nb_iterations_upper_bound computation for vectorized loop.
8426 2016-04-29 Marek Polacek <polacek@redhat.com>
8427 Jakub Jelinek <jakub@redhat.com>
8430 * fold-const.c (tree_single_nonzero_warnv_p): For TARGET_EXPR, use
8431 TARGET_EXPR_SLOT as a base.
8433 2016-04-29 Andrew Burgess <andrew.burgess@embecosm.com>
8435 * config/arc/arc.md (*loadqi_update): Replace use of 'rI' constraint
8436 with 'rCm2' constraints to limit possible immediate size.
8437 (*load_zeroextendqisi_update): Likewise.
8438 (*load_signextendqisi_update): Likewise.
8439 (*loadhi_update): Likewise.
8440 (*load_zeroextendhisi_update): Likewise.
8441 (*load_signextendhisi_update): Likewise.
8442 (*loadsi_update): Likewise.
8443 (*loadsf_update): Likewise.
8445 2016-04-29 Uros Bizjak <ubizjak@gmail.com>
8447 * config/i386/predicates.md (constm1_operand): Fix comparison.
8449 2016-04-29 Claudiu Zissulescu <claziss@synopsys.com>
8451 * testsuite/gcc.target/arc/ieee_eq.c: New test.
8453 2016-04-29 Oleg Endo <olegendo@gcc.gnu.org>
8455 * common/config/sh/sh-common.c (sh_option_optimization_table): Remove
8456 remaining SH5 related settings.
8457 * config/sh/sh-protos.h (shmedia_cleanup_truncate,
8458 shmedia_prepare_call_address): Delete.
8459 * config/sh/sh.c (sh_print_operand, output_stack_adjust,
8460 DWARF_CIE_DATA_ALIGNMENT, LOCAL_ALIGNMENT): Update comments.
8461 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC,
8462 UNSUPPORTED_SH2A): Remove m5 checks.
8463 (sh_divide_strategy_e): Remove SH5 division strategies.
8464 (TARGET_PTRMEMFUNC_VBIT_LOCATION): Remove and use default.
8465 * config/sh/sh.md (divsf3): Reinstate define_expand pattern.
8467 2016-04-29 Dominik Vogt <vogt@linux.vnet.ibm.com>
8469 * config/s390/s390.c (s390_rtx_costs): Update documentation.
8471 2016-04-29 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
8473 * config/s390/2964.md ("z13_unit_fxu", "z13_0"): Remove lder.
8474 * config/s390/s390.md ("movsi_larl", "*movsi_esa", "mov<mode>"):
8476 * config/s390/vector.md ("mov<mode>"): Likewise.
8478 2016-04-29 Ulrich Weigand <uweigand@de.ibm.com>
8480 * config/s390/constraints.md ("U", "W"): Invoke
8481 s390_mem_constraint with "ZR" and "ZT".
8482 * config/s390/s390.c (s390_check_qrst_address): Reject invalid
8483 addresses when using LRA. Accept also short displacements for S
8484 and T constraints. Do not check for long displacement target for
8485 S and T constraints.
8486 (s390_mem_constraint): Remove handling of U and W constraints.
8487 * config/s390/s390.md (various patterns): Remove the short
8488 displacement constraints (Q and R) if a long displacement
8489 constraint is present. Add longdisp as required CPU capability.
8490 * config/s390/vector.md: Likewise.
8491 * config/s390/vx-builtins.md: Likewise.
8493 2016-04-29 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
8496 * reload1.c (reload): Call finish_spills before
8497 restarting reload loop. Skip select_reload_regs
8498 if update_eliminables_and_spill returns true.
8500 2016-04-29 Claudiu Zissulescu <claziss@synopsys.com>
8502 * config/arc/arc.h (UNSIGNED_INT12, UNSIGNED_INT16): Define.
8503 * config/arc/arc.md (umulhisi3): Use arc_short_operand predicate.
8504 (umulhisi3_imm): Update predicates and constraint letters.
8505 (umulhisi3_reg): Declare instruction as commutative.
8506 * config/arc/constraints.md (J12, J16): New constraints.
8507 * config/arc/predicates.md (short_unsigned_const_operand): New
8509 (arc_short_operand): Likewise.
8510 * testsuite/gcc.target/arc/umulsihi3_z.c: New file.
8512 2016-04-29 Richard Biener <rguenther@suse.de>
8514 PR tree-optimization/13962
8515 PR tree-optimization/65686
8516 * tree-ssa-alias.h (ptrs_compare_unequal): Declare.
8517 * tree-ssa-alias.c (ptrs_compare_unequal): New function
8518 using PTA to compare pointers.
8519 * match.pd: Add pattern for pointer equality compare simplification
8520 using ptrs_compare_unequal.
8522 2016-04-29 Richard Biener <rguenther@suse.de>
8524 * stor-layout.c (layout_type): Do not build a pointer-to-element
8527 2016-04-29 Uros Bizjak <ubizjak@gmail.com>
8529 * config/i386/i386.md (Load+RegOp to Mov+MemOp peephole2):
8530 Use SWI mode iterator. Use general_reg_operand predicate.
8531 (Load+RegOp to Mov+MemOp peephole2 with vector regs): Split
8532 peephole to MMX and SSE part. Use mmx_reg_operand and sse_reg_operand
8535 2016-04-29 Jakub Jelinek <jakub@redhat.com>
8538 * fold-const.c (operand_equal_p): Don't verify hash value equality
8540 * tree.c (inchash::add_expr): Handle STATEMENT_LIST. Ignore BLOCK
8543 2016-04-28 Jakub Jelinek <jakub@redhat.com>
8546 * config/i386/i386.c (bdesc_special_args): Add | OPTION_MASK_ISA_64BIT
8547 to __builtin_ia32_lwpval64 and __builtin_ia32_lwpins64.
8548 (bdesc_args): Add | OPTION_MASK_ISA_64BIT to __builtin_ia32_bextr_u64,
8549 __builtin_ia32_bextri_u64, __builtin_ia32_bzhi_di,
8550 __builtin_ia32_pdep_di and __builtin_ia32_pext_di.
8552 2016-04-28 Segher Boessenkool <segher@kernel.crashing.org>
8554 * config/rs6000/rs6000.c (compute_save_world_info): Rename info_ptr
8555 to info. Don't initialize separate fields to 0. Clean up
8558 2016-04-28 Uros Bizjak <ubizjak@gmail.com>
8560 * config/i386/i386.md (peephole2s for operations with memory inputs):
8561 Use SWI mode iterator.
8562 (peephole2s for operations with memory outputs): Ditto.
8563 Do not check for stack checking probe.
8565 (probe_stack): Remove expander.
8567 2016-04-28 Joern Rennecke <joern.rennecke@embecosm.com>
8568 Andrew Burgess <andrew.burgess@embecosm.com>
8570 * config/arc/arc.c (arc_print_operand): Print integer 'H' / 'L'
8571 operands as 32-bits.
8573 2016-04-28 Jason Merrill <jason@redhat.com>
8575 * gdbinit.in: Skip line-map.h.
8577 2016-04-28 Joern Rennecke <joern.rennecke@embecosm.com>
8578 Andrew Burgess <andrew.burgess@embecosm.com>
8580 * config/arc/arc.c (arc_conditional_register_usage): Take
8581 TARGET_RRQ_CLASS into account.
8582 (arc_print_operand): Support printing 'p' and 's' operands.
8583 * config/arc/arc.h (TARGET_NPS_BITOPS_DEFAULT): Provide default
8585 (TARGET_RRQ_CLASS): Define.
8586 (IS_POWEROF2_OR_0_P): Define.
8587 * config/arc/arc.md (*movsi_insn): Add w/Clo, w/Chi, and w/Cbi
8589 (*tst_movb): New define_insn.
8590 (*tst): Avoid recognition if it could prevent '*tst_movb'
8591 combination; replace c/CnL with c/Chs alternative.
8592 (*tst_bitfield_tst): New define_insn.
8593 (*tst_bitfield_asr): New define_insn.
8594 (*tst_bitfield): New define_insn.
8595 (andsi3_i): Add Rrq variant.
8596 (extzv): New define_expand.
8597 (insv): New define_expand.
8598 (*insv_i): New define_insn.
8599 (*movb): New define_insn.
8600 (*movb_signed): New define_insn.
8601 (*movb_high): New define_insn.
8602 (*movb_high_signed): New define_insn.
8603 (*movb_high_signed + 1): New define_split pattern.
8604 (*mrgb): New define_insn.
8605 (*mrgb + 1): New define_peephole2 pattern.
8606 (*mrgb + 2): New define_peephole2 pattern.
8607 * config/arc/arc.opt (mbitops): New option for nps400, uses
8608 TARGET_NPS_BITOPS_DEFAULT.
8609 * config/arc/constraints.md (q): Make register class conditional.
8610 (Rrq): New register constraint.
8611 (Chs): New constraint.
8612 (Clo): New constraint.
8613 (Chi): New constraint.
8614 (Cbf): New constraint.
8615 (Cbn): New constraint.
8616 (C18): New constraint.
8617 (Cbi): New constraint.
8619 2016-04-28 Segher Boessenkool <segher@kernel.crashing.org>
8621 * cfganal.c (bitmap_intersection_of_succs): Delete assert checking
8623 (bitmap_intersection_of_preds): Ditto.
8624 (bitmap_union_of_succs): Ditto.
8625 (bitmap_union_of_preds): Ditto.
8626 * sbitmap.c (do_popcount): Delete.
8627 (BITMAP_DEBUGGING): Delete.
8628 (sbitmap_verify_popcount): Delete.
8629 (sbitmap_alloc): Don't initialize the popcount field.
8630 (sbitmap_alloc_with_popcount): Delete.
8631 (sbitmap_resize): Don't resize the popcount array.
8632 (sbitmap_vector_alloc): Don't initialize the popcount field.
8633 (bitmap_copy): Don't copy the popcount array.
8634 (bitmap_clear): Don't clear the popcount array.
8635 (bitmap_clear): Delete the popcount array handling.
8636 (bitmap_ior_and_compl): Delete the popcount assert.
8637 (bitmap_not): Ditto.
8638 (bitmap_and_compl): Ditto.
8639 (bitmap_and): Delete the popcount array handling.
8640 (bitmap_xor): Ditto.
8641 (bitmap_ior): Ditto.
8642 (bitmap_or_and): Delete the popcount assert.
8643 (bitmap_and_or): Ditto.
8644 (popcount_table): Delete.
8645 (sbitmap_elt_popcount): Delete.
8646 * sbitmap.h (simple_bitmap_def): Delete the popcount field.
8647 (bitmap_set_bit): Delete the popcount assert.
8648 (bitmap_clear_bit): Ditto.
8649 (sbitmap_free): Don't free the popcount array.
8650 (sbitmap_alloc_with_popcount): Delete declaration.
8651 (sbitmap_popcount): Ditto.
8653 2016-04-28 Joern Rennecke <joern.rennecke@embecosm.com>
8654 Andrew Burgess <andrew.burgess@embecosm.com>
8656 * config/arc/arc.h (SYMBOL_FLAG_CMEM): Define.
8657 (TARGET_NPS_CMEM_DEFAULT): Provide default definition.
8658 * config/arc/arc.c (arc_address_cost): Return 0 for cmem_address.
8659 (arc_encode_section_info): Set SYMBOL_FLAG_CMEM where indicated.
8660 * config/arc/arc.opt (mcmem): New option.
8661 * config/arc/arc.md (*extendqihi2_i): Add r/Uex alternative,
8662 supply length for r/m alternative.
8663 (*extendqisi2_ac): Likewise.
8664 (*extendhisi2_i): Add r/Uex alternative, supply length for r/m and
8666 (movqi_insn): Add r/Ucm and Ucm/?Rac alternatives.
8667 (movhi_insn): Likewise.
8668 (movsi_insn): Add r/Ucm,Ucm/w alternatives.
8669 (*zero_extendqihi2_i): Add r/Ucm alternative.
8670 (*zero_extendqisi2_ac): Likewise.
8671 (*zero_extendhisi2_i): Likewise.
8672 * config/arc/constraints.md (Uex): New memory constraint.
8673 (Ucm): New define_constraint.
8674 * config/arc/predicates.md (long_immediate_loadstore_operand):
8675 Return 0 for MEM with cmem_address address.
8676 (cmem_address_0): New predicates.
8677 (cmem_address_1): Likewise.
8678 (cmem_address_2): Likewise.
8679 (cmem_address): Likewise.
8681 2016-04-28 Segher Boessenkool <segher@kernel.crashing.org>
8683 * config/rs6000/rs6000.c (machine_function): Rename
8684 insn_chain_scanned_p to spe_insn_chain_scanned_p.
8685 (rs6000_stack_info): Adjust.
8687 2016-04-28 Joern Rennecke <joern.rennecke@embecosm.com>
8688 Andrew Burgess <andrew.burgess@embecosm.com>
8690 * config/arc/constraints.md (Usd): Convert to define_constraint.
8694 2016-04-28 Jakub Jelinek <jakub@redhat.com>
8697 * config/i386/sync.md (define_peephole2 *atomic_fetch_add_cmp<mode>):
8698 Add new peephole2 where the first insn is *mov<mode>_or instead of
8699 *mov<mode>_internal.
8701 2016-04-28 Segher Boesssenkool <segher@kernel.crashing.org>
8703 * tracer.c (bb_seen): Make static.
8705 2016-04-28 Andrew Burgess <andrew.burgess@embecosm.com>
8707 * common/config/arc/arc-common.c (arc_handle_option): Add NPS400
8708 support, setup defaults.
8709 * config/arc/arc-opts.h (enum processor_type): Add NPS400.
8710 * config/arc/arc.c (arc_init): Add NPS400 support.
8711 * config/arc/arc.h (CPP_SPEC): Add NPS400 defines.
8712 (TARGET_ARC700): NPS400 is also an ARC700.
8713 * config/arc/arc.opt: Add NPS400 options to -mcpu=.
8715 2016-04-28 Segher Boessenkool <segher@kernel.crashing.org>
8718 * config/nds32/nds32.md (casesi): Don't access the operands array
8721 2016-04-28 Uros Bizjak <ubizjak@gmail.com>
8723 * config/i386/i386.md (zeroing peephole2): Use general_reg_operand.
8724 (or $-1,reg peephole2): Ditto.
8725 (strict_low_part zeroing peephole2): Use SWI12 mode iterator.
8727 2016-04-28 Markus Trippelsdorf <markus@trippelsdorf.de>
8729 * doc/extend.texi (Common Function Attributes) [optimize]:
8730 Discourage use of the optimize attribute.
8732 2016-04-28 Bill Seurer <seurer@linux.vnet.ibm.com>
8734 * config/rs6000/rs6000-builtin.def (vec_adde): Change vec_adde to a
8735 special case builtin.
8736 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Remove
8737 ALTIVEC_BUILTIN_VEC_ADDE.
8738 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
8739 support for ALTIVEC_BUILTIN_VEC_ADDE.
8740 * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
8741 for __builtin_vec_adde.
8743 2016-04-28 Jakub Jelinek <jakub@redhat.com>
8745 * config/i386/i386.md (sse4_1_round<mode>2): Add avx512f alternative.
8746 * config/i386/sse.md (sse4_1_round<ssescalarmodesuffix>): Likewise.
8748 2016-04-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8751 * doc/sourcebuild.texi (Effective-Target Keywords, Other
8752 attributes): Document cilkplus_runtime.
8754 2016-04-28 Martin Jambor <mjambor@suse.cz>
8756 * tree-cfg.c (verify_expr): Verify that local declarations belong to
8757 this function. Call verify_expr on MEM_REFs and bases of other
8760 2016-04-28 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
8762 * internal-fn.c (expand_arith_overflow): Convert preprocessor check
8763 for WORD_REGISTER_OPERATIONS to runtime check.
8765 2016-04-28 Claudiu Zissulescu <claziss@synopsys.com>
8767 * config/arc/arc.h (ASM_SPEC): Pass mfpuda to assembler.
8769 2016-04-28 Claudiu Zissulescu <claziss@synopsys.com>
8771 * config/arc/arc.c (arc_process_double_reg_moves): Fix for
8772 big-endian compilation.
8773 * config/arc/arc.md (addf3): Likewise.
8777 2016-04-28 Richard Biener <rguenther@suse.de>
8779 PR tree-optimization/70840
8780 * match.pd: powi(-x, y) and powi(|x|,y) -> powi(x,y) if y is even;
8781 Fix pow(copysign(x, y), z) -> pow(x, z) and add powi variant;
8782 Mark x * pow(x,c) -> pow(x,c+1) commutative.
8783 Add powi(x,y) * powi(z,y) -> powi(x*z,y).
8785 2015-04-28 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
8787 * config/aarch64/aarch64.h (WORD_REGISTER_OPERATIONS): Define to 0
8788 and explain why in a comment.
8790 2016-04-28 Claudiu Zissulescu <claziss@synopsys.com>
8792 * config/arc/arc.md (cpu_facility): Add fpx variant.
8793 (subdf3): Prohibit use reverse sub when assist operations option
8795 * config/arc/fpx.md (subdf3_insn, *dsubh_peep2_insn): Allow drsub
8796 instructions only when FPX is enabled.
8797 * testsuite/gcc.target/arc/trsub.c: New test.
8799 2016-04-28 Uros Bizjak <ubizjak@gmail.com>
8801 * config/i386/i386.md (*fop_<mode>_1_mixed): Do not check for
8802 mult_operator when calculating "type" attribute.
8803 (*fop_<mode>_1_i387): Ditto.
8804 (*fop_xf_1_i387): Ditto.
8805 (x87 stack loads peephole2): Add "reg = op (mem, reg)" peephole2.
8806 Use std::swap to swap operands. Use RTL expressions to generate
8809 2016-04-28 Claudiu Zissulescu <claziss@synopsys.com>
8810 Joern Rennecke <joern.rennecke@embecosm.com>
8812 * config/arc/arc-protos.h (arc_legitimize_pic_address): Remove
8814 (emit_pic_move): Remove.
8815 (arc_eh_uses, insn_is_tls_gd_dispatch): Declare.
8816 * config/arc/arc.c (emit_pic_move): Removed.
8817 (TARGET_HAVE_TLS): Define.
8818 (arc_conditional_register_usage): Test for arc_tp_regno.
8819 (arc_print_operand, arc_print_operand_address): Handle TLS
8821 (arc_needs_pcl_p): New function.
8822 (arc_legitimate_pc_offset_p): Use arc_needs_pcl_p.
8823 (arc_legitimate_pic_addr_p): Handle TLS unspecs.
8824 (arc_raw_symbolic_reference_mentioned_p): Likewise.
8825 (arc_get_tp, arc_emit_call_tls_get_addr): New function.
8826 (arc_legitimize_tls_address): Likewise.
8827 (DTPOFF_ZERO_SYM): Define.
8828 (arc_legitimize_pic_address): Make it static, handle TLS cases.
8829 (arc_output_pic_addr_const): Print TLS unspecs.
8830 (prepare_pic_move): New function, replaces emit_pic_move.
8831 (arc_legitimate_constant_p): Handle TLS unspecs.
8832 (arc_legitimate_address_p): Likewise.
8833 (arc_rewrite_small_data_p): Use assert for TLS constants.
8834 (prepare_move_operands): Use prepare_pic_move.
8835 (arc_legitimize_address): Legitimize tls addresses.
8836 (arc_epilogue_uses): Check for arc_tp_regno.
8837 (arc_eh_uses, insn_is_tls_gd_dispatch): New function.
8838 * config/arc/arc.h [DEFAULT_LIBC != LIBC_UCLIBC] (EXTRA_SPECS):
8840 [DEFAULT_LIBC != LIBC_UCLIBC] (ARC_TLS_EXTRA_START_SPEC):
8842 [DEFAULT_LIBC != LIBC_UCLIBC] (STARTFILE_SPEC): Add
8843 %(arc_tls_extra_start_spec).
8844 (TARGET_CPU_CPP_BUILTINS): Define __ARC_TLS_REGNO__.
8845 (REGNO_OK_FOR_BASE_P): Check for arc_tp_regno.
8847 (INSN_REFERENCES_ARE_DELAYED): Use insn_is_tls_gd_dispatch.
8848 * config/arc/arc.md (UNSPEC_TLS_GD, UNSPEC_TLS_LD, UNSPEC_TLS_IE)
8849 (UNSPEC_TLS_OFF): Add.
8851 (tls_load_tp_soft, tls_gd_load, tls_gd_get_addr, tls_gd_dispatch)
8852 (get_thread_pointersi): New patterns.
8853 * config/arc/arc.opt (mtp-regno): New option.
8854 * config/arc/predicates.md (move_src_operand): Handle TLS symbols.
8855 (move_dest_operand): Likewise.
8856 * configure: Regenerate.
8857 * configure.ac: Add arc*-*-* case to test for tls.
8858 * doc/invoke.texi (ARC options): Document mtp-regno.
8860 2016-04-28 Claudiu Zissulescu <claziss@synopsys.com>
8862 * config/arc/arc.c (arc_vector_mode_supported_p): Add support for
8863 the new ARC HS SIMD instructions.
8864 (arc_preferred_simd_mode): New function.
8865 (arc_autovectorize_vector_sizes): Likewise.
8866 (TARGET_VECTORIZE_PREFERRED_SIMD_MODE)
8867 (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Define.
8868 (arc_init_reg_tables): Accept new ARC HS SIMD modes.
8869 (arc_init_builtins): Add new SIMD builtin types.
8870 (arc_split_move): Handle 64 bit vector moves.
8871 * config/arc/arc.h (TARGET_PLUS_DMPY, TARGET_PLUS_MACD)
8872 (TARGET_PLUS_QMACW): Define.
8873 * config/arc/builtins.def (QMACH, QMACHU, QMPYH, QMPYHU, DMACH)
8874 (DMACHU, DMPYH, DMPYHU, DMACWH, DMACWHU, VMAC2H, VMAC2HU, VMPY2H)
8875 (VMPY2HU, VADDSUB2H, VSUBADD2H, VADDSUB, VSUBADD, VADDSUB4H)
8876 (VSUBADD4H): New builtins.
8877 * config/arc/simdext.md: Add new ARC HS SIMD instructions.
8878 * testsuite/gcc.target/arc/builtin_simdarc.c: New file.
8880 2016-04-28 Eduard Sanou <dhole@openmailbox.org>
8881 Matthias Klose <doko@debian.org>
8883 * doc/cppenv.texi: Document SOURCE_DATE_EPOCH environment variable.
8885 2016-04-28 Richard Biener <rguenther@suse.de>
8888 * fold-const.c (fold_binary_loc): Remove x*x to pow(x,2.0)
8891 2016-04-28 Oleg Endo <olegendo@gcc.gnu.org>
8893 * common/config/sh/sh-common.c: Remove SH5 support.
8894 * config/sh/constraints.md: Likewise.
8895 * config/sh/config/sh/elf.h: Likewise.
8896 * config/sh/linux.h: Likewise.
8897 * config/sh/netbsd-elf.h: Likewise.
8898 * config/sh/predicates.md: Likewise.
8899 * config/sh/sh-c.c: Likewise.
8900 * config/sh/sh-protos.h: Likewise.
8901 * config/sh/sh.c: Likewise.
8902 * config/sh/sh.h: Likewise.
8903 * config/sh/sh.md: Likewise.
8904 * config/sh/sh.opt: Likewise.
8905 * config/sh/sync.md: Likewise.
8906 * config/sh/sh64.h: Delete.
8907 * config/sh/shmedia.h: Likewise.
8908 * config/sh/shmedia.md: Likewise.
8909 * config/sh/sshmedia.h: Likewise.
8910 * config/sh/t-netbsd-sh5-64: Likewise.
8911 * config/sh/t-sh64: Likewise.
8912 * config/sh/ushmedia.h: Likewise.
8914 2016-04-28 Uros Bizjak <ubizjak@gmail.com>
8916 * config/i386/i386.md (sign_extend to memory peephole2s): Use
8917 general_reg_operand instead of register_operand predicate.
8919 2016-04-27 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
8921 * params.def (MIN_PARTITION_SIZE): Set default value to 10000.
8923 2016-04-27 Marc Glisse <marc.glisse@inria.fr>
8925 * match.pd (A - B > A, A + B < A): New transformations.
8927 2016-04-27 Patrick Palka <ppalka@gcc.gnu.org>
8929 * genattrtab.c (write_test_expr): New parameter EMIT_PARENS
8930 which defaults to true. Emit an outer pair of parentheses only if
8931 EMIT_PARENS. When continuing a chain of && or || (or & or |),
8932 don't emit parentheses for the right-hand operand.
8934 2016-04-27 Jeff Law <law@redhat.com>
8936 * tree-ssa-dom.c (record_temporary_equivalences): Fix typo in comment.
8938 2016-04-27 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
8940 * config/rs6000/altivec.md (altivec_lvx_<mode>): Remove.
8941 (altivec_lvx_<mode>_internal): Document.
8942 (altivec_lvx_<mode>_2op): New define_insn.
8943 (altivec_lvx_<mode>_1op): Likewise.
8944 (altivec_lvx_<mode>_2op_si): Likewise.
8945 (altivec_lvx_<mode>_1op_si): Likewise.
8946 (altivec_stvx_<mode>): Remove.
8947 (altivec_stvx_<mode>_internal): Document.
8948 (altivec_stvx_<mode>_2op): New define_insn.
8949 (altivec_stvx_<mode>_1op): Likewise.
8950 (altivec_stvx_<mode>_2op_si): Likewise.
8951 (altivec_stvx_<mode>_1op_si): Likewise.
8952 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
8953 Expand vec_ld and vec_st during parsing.
8954 * config/rs6000/rs6000.c (altivec_expand_lvx_be): Commentary
8956 (altivec_expand_stvx_be): Likewise.
8957 (altivec_expand_lv_builtin): Expand lvx built-ins to expose the
8958 address-masking behavior in RTL.
8959 (altivec_expand_stv_builtin): Expand stvx built-ins to expose the
8960 address-masking behavior in RTL.
8961 (altivec_expand_builtin): Change builtin code arguments for calls
8962 to altivec_expand_stv_builtin and altivec_expand_lv_builtin.
8963 (insn_is_swappable_p): Avoid incorrect swap optimization in the
8964 presence of lvx/stvx patterns.
8965 (alignment_with_canonical_addr): New function.
8966 (alignment_mask): Likewise.
8967 (find_alignment_op): Likewise.
8968 (recombine_lvx_pattern): Likewise.
8969 (recombine_stvx_pattern): Likewise.
8970 (recombine_lvx_stvx_patterns): Likewise.
8971 (rs6000_analyze_swaps): Perform a pre-pass to recognize lvx and
8972 stvx patterns from expand.
8973 * config/rs6000/vector.md (vector_altivec_load_<mode>): Use new
8975 (vector_altivec_store_<mode>): Likewise.
8977 2016-04-26 Evandro Menezes <e.menezes@samsung.com>
8979 * config/aarch64/aarch64.md
8980 (*movhf_aarch64): Add "movi %0, #0" to zero up register and
8981 remove the "fp" attributes.
8982 (*movsf_aarch64): Add "movi %0, #0" to zero up register and
8983 add the "simd" attributes.
8984 (*movdf_aarch64): Likewise.
8985 (*movtf_aarch64): Remove the "fp" attributes.
8986 * testsuite/gcc.target/aarch64/fmovf-zero-reg.c: Update accordingly.
8987 * testsuite/gcc.target/aarch64/fmovd-zero-reg.c: Likewise.
8989 2016-04-27 David Malcolm <dmalcolm@redhat.com>
8991 * emit-rtl.c (maybe_set_first_label_num): Strengthen param from
8992 rtx to rtx_code_label *.
8993 * rtl.h (maybe_set_first_label_num): Likewise.
8995 2016-04-27 David Malcolm <dmalcolm@redhat.com>
8997 * df-core.c (df_add_problem): Make the problem param be const.
8998 (df_remove_problem): Make local "problem" be const.
8999 * df-problems.c (problem_RD): Make const.
9000 (problem_LR): Likewise.
9001 (problem_LIVE): Likewise.
9002 (problem_MIR): Likewise.
9003 (problem_CHAIN): Likewise.
9004 (problem_WORD_LR): Likewise.
9005 (problem_NOTE): Likewise.
9006 (problem_MD): Likewise.
9007 * df-scan.c (problem_SCAN): Likewise.
9008 * df.h (struct df_problem): Make field "dependent_problem" be
9010 (struct dataflow): Likewise for field "problem".
9011 (df_add_problem): Make param const.
9013 2016-04-27 Uros Bizjak <ubizjak@gmail.com>
9015 * config/i386/i386.c (ix86_spill_class): Enable for TARGET_SSE2 when
9016 inter-unit moves to/from vector registers are enabled. Do not disable
9019 2016-04-27 David Malcolm <dmalcolm@redhat.com>
9021 * df.h (DF_SCAN, DF_LR, DF_LIVE, DF_RD, DF_CHAIN, DF_WORD_LR,
9022 DF_NOTE, DF_MD, DF_MIR, DF_LAST_PROBLEM_PLUS1): Convert from
9024 (enum df_problem_id): ...this new enum.
9025 (struct df_problem): Convert field "id" from "int" to
9028 2016-04-27 David Malcolm <dmalcolm@redhat.com>
9030 * rtl.def: Update comment for "things in the instruction chain" to
9031 reflect the removal of the leading "i" field for INSN_UID in
9032 r210360. Fix bogus apostrophe.
9034 2016-04-27 Uros Bizjak <ubizjak@gmail.com>
9036 * config/i386/i386.md
9037 (lea arith with mem operand + setcc peephole2): Set operator mode.
9039 2016-04-27 H.J. Lu <hongjiu.lu@intel.com>
9042 * config/i386/i386.c (scalar_to_vector_candidate_p): Renamed to ...
9043 (dimode_scalar_to_vector_candidate_p): This.
9044 (timode_scalar_to_vector_candidate_p): New function.
9045 (scalar_to_vector_candidate_p): Likewise.
9046 (timode_check_non_convertible_regs): Likewise.
9047 (timode_remove_non_convertible_regs): Likewise.
9048 (remove_non_convertible_regs): Likewise.
9049 (remove_non_convertible_regs): Renamed to ...
9050 (dimode_remove_non_convertible_regs): This.
9051 (scalar_chain::~scalar_chain): Make it virtual.
9052 (scalar_chain::compute_convert_gain): Make it pure virtual.
9053 (scalar_chain::mark_dual_mode_def): Likewise.
9054 (scalar_chain::convert_insn): Likewise.
9055 (scalar_chain::convert_registers): Likewise.
9056 (scalar_chain::add_to_queue): Make it protected.
9057 (scalar_chain::emit_conversion_insns): Likewise.
9058 (scalar_chain::replace_with_subreg): Likewise.
9059 (scalar_chain::replace_with_subreg_in_insn): Likewise.
9060 (scalar_chain::convert_op): Likewise.
9061 (scalar_chain::convert_reg): Likewise.
9062 (scalar_chain::make_vector_copies): Likewise.
9063 (scalar_chain::convert_registers): New pure virtual function.
9064 (class dimode_scalar_chain): New class.
9065 (class timode_scalar_chain): Likewise.
9066 (scalar_chain::mark_dual_mode_def): Renamed to ...
9067 (dimode_scalar_chain::mark_dual_mode_def): This.
9068 (timode_scalar_chain::mark_dual_mode_def): New function.
9069 (timode_scalar_chain::convert_insn): Likewise.
9070 (dimode_scalar_chain::convert_registers): Likewise.
9071 (scalar_chain::compute_convert_gain): Renamed to ...
9072 (dimode_scalar_chain::compute_convert_gain): This.
9073 (scalar_chain::replace_with_subreg): Renamed to ...
9074 (dimode_scalar_chain::replace_with_subreg): This.
9075 (scalar_chain::replace_with_subreg_in_insn): Renamed to ...
9076 (dimode_scalar_chain::replace_with_subreg_in_insn): This.
9077 (scalar_chain::make_vector_copies): Renamed to ...
9078 (dimode_scalar_chain::make_vector_copies): This.
9079 (scalar_chain::convert_reg): Renamed to ...
9080 (dimode_scalar_chain::convert_reg ): This.
9081 (scalar_chain::convert_op): Renamed to ...
9082 (dimode_scalar_chain::convert_op): This.
9083 (scalar_chain::convert_insn): Renamed to ...
9084 (dimode_scalar_chain::convert_insn): This.
9085 (scalar_chain::convert): Call convert_registers.
9086 (convert_scalars_to_vector): Change to scalar_chain pointer to
9087 use timode_scalar_chain in 64-bit mode and dimode_scalar_chain
9088 in 32-bit mode. Delete scalar_chain pointer. Call
9089 free_dominance_info in 64-bit mode.
9090 (pass_stv::gate): Remove TARGET_64BIT check.
9091 (ix86_option_override): Put the 64-bit STV pass before the CSE
9094 2016-04-27 Pierre-Marie de Rodat <derodat@adacore.com>
9096 * dwarf2out.h (struct dw_loc_descr_node): Remove the
9097 dw_loc_frame_offset field.
9098 * dwarf2out.c (new_loc_descr): Likewise.
9099 (resolve_args_picking_1): Turn the VISITED hash set into a
9100 FRAME_OFFSET hash map. Use it to associate a frame offset to
9101 visited nodes. Remove uses of the CHECKING_P macro.
9102 (resolve_args_picking): Update call to resolve_args_picking_1.
9104 2016-04-27 Martin Liska <mliska@suse.cz>
9106 * tree-ssa-loop-ivopts.c (iv_ca_dump): Fix level of indentation.
9107 (free_loop_data): Release vuses of groups.
9109 2016-04-27 Bin Cheng <bin.cheng@arm.com>
9111 * tree-ssa-loop-ivopts.c (struct iv): Use pointer to struct iv_use
9112 instead of redundant use_id and boolean have_use_for.
9113 (struct iv_use): Change sub_id into group_id. Remove field next.
9114 Move fields: related_cands, n_map_members, cost_map and selected
9116 (struct iv_group): ... here. New structure.
9117 (struct iv_common_cand): Use structure declaration directly.
9118 (struct ivopts_data, iv_ca, iv_ca_delta): Rename fields.
9119 (MAX_CONSIDERED_USES): Rename macro to ...
9120 (MAX_CONSIDERED_GROUPS): ... here.
9121 (n_iv_uses, iv_use, n_iv_cands, iv_cand): Delete.
9122 (dump_iv, dump_use, dump_cand): Refactor format of dump information.
9123 (dump_uses): Rename to ...
9124 (dump_groups): ... here. Update all uses.
9125 (tree_ssa_iv_optimize_init, alloc_iv): Update all uses.
9126 (find_induction_variables): Refactor format of dump information.
9127 (record_sub_use): Delete.
9128 (record_use): Update all uses.
9129 (record_group): New function.
9130 (record_group_use, find_interesting_uses_op): Call above functions.
9132 (find_interesting_uses_cond): Ditto.
9133 (group_compare_offset): New function.
9134 (split_all_small_groups): Rename to ...
9135 (split_small_address_groups_p): ... here. Update all uses.
9136 (split_address_groups): Update all uses.
9137 (find_interesting_uses): Refactor format of dump information.
9138 (add_candidate_1): Update all uses. Remove redundant check on iv,
9140 (add_candidate, record_common_cand): Remove redundant assert.
9141 (add_iv_candidate_for_biv): Update use.
9142 (add_iv_candidate_derived_from_uses): Update all uses.
9143 (add_iv_candidate_for_groups, record_important_candidates): Ditto.
9144 (alloc_use_cost_map): Ditto.
9145 (set_use_iv_cost, get_use_iv_cost): Rename to ...
9146 (set_group_iv_cost, get_group_iv_cost): ... here. Update all uses.
9147 (determine_use_iv_cost_generic): Ditto.
9148 (determine_group_iv_cost_generic): Ditto.
9149 (determine_use_iv_cost_address): Ditto.
9150 (determine_group_iv_cost_address): Ditto.
9151 (determine_use_iv_cost_condition): Ditto.
9152 (determine_group_iv_cost_cond): Ditto.
9153 (determine_use_iv_cost): Ditto.
9154 (determine_group_iv_cost): Ditto.
9155 (set_autoinc_for_original_candidates): Update all uses.
9156 (find_iv_candidates): Update all uses. Refactor dump information.
9157 (determine_use_iv_costs): Ditto.
9158 (determine_iv_costs): Ditto.
9159 (iv_ca_cand_for_use): Rename to ...
9160 (iv_ca_cand_for_group): ... here. Update all uses.
9161 (iv_ca_add_use, iv_ca_add_group): Ditto.
9162 (iv_ca_set_cp, iv_ca_cost, iv_ca_delta_add): Update all uses.
9163 (iv_ca_delta_join, iv_ca_delta_reverse, iv_ca_delta_free): Ditto.
9164 (iv_ca_new, iv_ca_dump, iv_ca_extend, iv_ca_narrow): Ditto.
9165 (iv_ca_prune, cheaper_cost_with_cand, iv_ca_replace): Ditto.
9166 (try_add_cand_for, try_improve_iv_set, find_optimal_iv_set): Ditto.
9167 (create_new_iv, adjust_iv_update_pos): Ditto.
9168 (rewrite_use_address): Delete.
9169 (rewrite_use_address_1): Rename to ...
9170 (rewrite_use_address): ... here.
9171 (rewrite_use_compare): Update all uses.
9172 (rewrite_use): Delete.
9173 (rewrite_uses): Rename to ...
9174 (rewrite_groups): ... here. Update all uses.
9175 (remove_unused_ivs, free_loop_data): Update all uses.
9176 (tree_ssa_iv_optimize_finalize, tree_ssa_iv_optimize_loop): Ditto.
9178 2016-04-27 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
9180 * rtlanal.c (nonzero_bits1): Convert preprocessor check
9181 for WORD_REGISTER_OPERATIONS to runtime check.
9183 2016-04-27 Richard Biener <rguenther@suse.de>
9186 * tree-ssa-structalias.c (find_func_aliases_for_call): Use
9187 aggregate_value_p to determine if a function result is
9188 returned by reference.
9189 (ipa_pta_execute): Functions having their address taken are
9190 not automatically nonlocal.
9192 2016-04-27 Jakub Jelinek <jakub@redhat.com>
9195 * tree-core.h (enum operand_equal_flag): Add OEP_NO_HASH_CHECK.
9196 * fold-const.c (operand_equal_p): If flag_checking and
9197 OEP_NO_HASH_CHECK is not set in flag, recurse with OEP_NO_HASH_CHECK
9198 and if it returns non-zero, assert iterative_hash_expr on both
9201 2016-04-27 Bernd Schmidt <bschmidt@redhat.com>
9203 * doc/invoke.texi (-frename-registers): Also enabled at -Os.
9205 2016-04-27 Nick Clifton <nickc@redhat.com>
9208 * varasm.c (merge_weak): Generate an error if an attempt is made
9209 to convert a non-weak static function into a weak, public function.
9211 2016-04-27 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
9213 * params.def (MAX_PARTITION_SIZE): New param.
9214 * doc/invoke.texi: Document lto-max-partition.
9216 2016-04-27 Richard Biener <rguenther@suse.de>
9219 * tree-ssa-structalias.c (refered_from_nonlocal_fn): New
9220 function cummulating used_from_other_partition, externally_visible
9221 and force_output from aliases.
9222 (refered_from_nonlocal_var): Likewise.
9223 (ipa_pta_execute): Use call_for_symbol_and_aliases to cummulate
9224 node flags properly.
9226 2016-04-27 Bernd Schmidt <bschmidt@redhat.com>
9228 * doc/invoke.texi (Warning Options): Add -Wmemset-elt-size.
9229 (-Wmemset-elt-size): New item.
9231 2016-04-27 Eric Botcazou <ebotcazou@adacore.com>
9234 * stor-layout.h (internal_reference_types): Delete.
9235 * stor-layout.c (reference_types_internal): Likewise.
9236 (internal_reference_types): Likewise.
9237 (layout_type) <REFERENCE_TYPE>: Adjust.
9239 2016-04-27 Jakub Jelinek <jakub@redhat.com>
9242 * tree.h (inchash::add_expr): Add FLAGS argument.
9243 * tree.c (inchash::add_expr): Likewise. If not OEP_ADDRESS_OF,
9244 use STRIP_NOPS first. For INTEGER_CST assert not OEP_ADDRESS_OF.
9245 For REAL_CST and !HONOR_SIGNED_ZEROS (t) hash +/- 0 the same.
9246 Formatting fix. Adjust recursive calls. For tcc_comparison,
9247 if swap_tree_comparison (code) is smaller than code, hash that
9248 and arguments in the other order. Hash CONVERT_EXPR the same
9249 as NOP_EXPR. For OEP_ADDRESS_OF hash MEM_REF with 0 offset
9250 of ADDR_EXPR of decl as the decl itself. Add or remove
9251 OEP_ADDRESS_OF from recursive flags as needed. For
9252 FMA_EXPR, WIDEN_MULT_{PLUS,MINUS}_EXPR hash the first two
9253 operands commutatively and only the third one normally.
9254 For internal CALL_EXPR hash in CALL_EXPR_IFN.
9256 2016-04-27 Sebastian Huber <sebastian.huber@embedded-brains.de>
9258 * config/rtems.h (LIB_SPEC): Add -latomic.
9260 2016-04-27 Joel Sherrill <joel@rtems.org>
9262 * config/microblaze/rtems.h: Redefine LINK_SPEC to avoid
9263 xilink.ld and flags not relevant to RTEMS.
9265 2016-04-26 Zhouyi Zhou <yizhouzhou@ict.ac.cn>
9267 * toplev.c (backend_init_target): Avoid calling init_reload when using
9270 2016-04-26 Jakub Jelinek <jakub@redhat.com>
9272 * reorg.c (try_merge_delay_insns): Declare i and j inside the
9273 for loops rather than one for the whole function.
9275 2016-04-26 Marc Glisse <marc.glisse@inria.fr>
9277 * match.pd (X + CST CMP X): New transformation.
9279 2016-04-26 Marc Glisse <marc.glisse@inria.fr>
9281 * genmatch.c (write_predicate): Add ATTRIBUTE_UNUSED.
9282 * fold-const.c (fold_binary_loc): Remove 2 transformations
9283 superseded by match.pd.
9284 * match.pd (x+x -> x*2): Generalize to integers.
9286 2016-04-26 Bernd Schmidt <bschmidt@redhat.com>
9288 * config/i386/i386.md (operation on memory peephole): Duplicate an
9289 existing peephole and adapt it to match lea rather than an operation
9292 PR rtl-optimization/57193
9293 * opts.c (default_options_table): Add OPT_frename_registers at -O2
9295 * doc/invoke.texi (-frename-registers, -O2): Update documentation.
9297 2016-04-26 Bin Cheng <bin.cheng@arm.com>
9299 * tree-if-conv.c (any_pred_load_store): New static variable.
9300 (if_convertible_gimple_assign_stmt_p): Remove parameter. Use
9301 any_pred_load_store instead of and_mask_load_store.
9302 (if_convertible_stmt_p, if_convertible_loop_p_1): Ditto.
9303 (if_convertible_loop_p, insert_gimplified_predicates): Ditto.
9304 (combine_blocks, tree_if_conversion): Ditto.
9306 2016-04-26 Bin Cheng <bin.cheng@arm.com>
9308 PR tree-optimization/70771
9309 PR tree-optimization/70775
9310 * tree-if-conv.c (if_convertible_phi_p): Remove check on special
9311 virtual PHI nodes. Delete parameter.
9312 (if_convertible_loop_p_1): Delete argument to above function.
9313 (predicate_all_scalar_phis): Delete code handling single-argument
9315 (tree_if_conversion): Mark and update virtual SSA.
9317 2016-04-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
9320 * config/i386/i386.c (LARGECOMM_SECTION_ASM_OP): Define default.
9321 (x86_elf_aligned_common): Rename to ...
9322 (x86_elf_aligned_decl_common): ... this.
9323 Add decl arg. Switch to .lbss for largecomm object. Use
9324 LARGECOMM_SECTION_ASM_OP.
9325 * config/i386/i386-protos.h (x86_elf_aligned_common): Reflect
9327 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_COMMON): Rename to ...
9328 (ASM_OUTPUT_ALIGNED_DECL_COMMON): ... this.
9330 * config/i386/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
9331 [!USE_GAS] (LARGECOMM_SECTION_ASM_OP): Define.
9333 2016-04-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
9336 * config/i386/i386.c (SECTION_LARGE): Define.
9337 (x86_64_elf_select_section): Set it for large data/bss sections.
9338 Only clear SECTION_WRITE for .lrodata.
9339 (x86_64_elf_section_type_flags): Set SECTION_LARGE for large
9341 * config/i386/sol2.h (MACH_DEP_SECTION_ASM_FLAG): Define.
9342 * varasm.c (default_elf_asm_named_section): Grow flagchars.
9343 [MACH_DEP_SECTION_ASM_FLAG] Emit MACH_DEP_SECTION_ASM_FLAG for
9345 * doc/tm.texi.in (Sections, MACH_DEP_SECTION_ASM_FLAG): Describe.
9346 * doc/tm.texi: Regenerate.
9348 2016-04-26 Jakub Jelinek <jakub@redhat.com>
9351 * configure.ac (--enable-checking): Document extra flag, for
9352 non-release builds default to --enable-checking=yes,extra.
9353 If misc checking and extra checking, define CHECKING_P to 2 instead
9355 * common.opt (fchecking=): Add.
9356 * doc/invoke.texi (-fchecking=): Document.
9357 * doc/install.texi: Document --enable-checking changes.
9358 * configure: Regenerated.
9359 * config.in: Regenerated.
9361 2016-04-25 Uros Bizjak <ubizjak@gmail.com>
9363 * config/i386/i386.md (*movxi_internal_avx512f): Use insn type
9364 attribute instead of which_alternative.
9365 * config/i386/sse.md (*mov<mode>_internal): Ditto.
9366 Use EXT_REX_SSE_REG_P where appropriate.
9368 2016-04-25 Uros Bizjak <ubizjak@gmail.com>
9370 * config/i386/predicates.md (const0_operand): Do not match
9371 const_wide_int code.
9372 (const1_operand): Ditto.
9374 2016-04-25 Uros Bizjak <ubizjak@gmail.com>
9376 * config/i386/i386.md (*movoi_internal_avx): Set mode attribute to XI
9377 for SSE constm1 operands and TARGET_AVX512VL.
9378 (*movti_internal): Ditto.
9379 (*mov<mode>_or): Use constm1_operand predicate.
9380 * config/i386/sse.md (*mov<mode>_internal): Set mode attribute to XI
9381 for SSE vector_all_ones operands and TARGET_AVX512VL.
9382 * config/i386/predicates.md (constm1_operand): New predicate.
9383 * config/i386/i386.c (standard_sse_constant_opcode): Simplify
9384 emission of constant -1 load.
9386 2016-04-25 Jason Merrill <jason@redhat.com>
9388 * gdbinit.in: Skip is-a.h.
9390 * attribs.c (register_scoped_attributes): Fix logic.
9391 * attribs.h: Declare register_scoped_attributes.
9393 2016-04-25 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
9395 * config/rs6000/rs6000-builtin.def: Correct pasto error for
9396 stxvd2x and stxvw4x built-in functions.
9398 2016-04-25 DJ Delorie <dj@redhat.com>
9400 * config/msp430/msp430.md (ashlhi3): Optimize one bit shifts.
9401 (ashrhi3): Likewise.
9402 (lshrhi3): Likewise.
9404 2016-04-25 Richard Biener <rguenther@suse.de>
9406 PR tree-optimization/70780
9407 * tree-ssa-pre.c (compute_antic_aux): Also return true if the block
9409 (compute_antic): Mark blocks with abnormal preds as visited as
9410 they have a final empty antic-in solution already.
9412 2016-04-25 Michael Collison <michael.collison@linaro.org>
9414 * ChangeLog(2016-04-25): Fix ChangeLog formatting.
9416 2016-04-25 Michael Collison <michael.collison@linaro.org>
9418 * config/arm/neon.md (widen_<us>sum<mode>): New patterns where
9419 mode is VQI to improve mixed mode vectorization.
9420 * config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3): New
9421 define_insn to match low half of signed vaddw.
9422 * config/arm/neon.md (vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): New
9423 define_insn to match high half of signed vaddw.
9424 * config/arm/neon.md (vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): New
9425 define_insn to match low half of unsigned vaddw.
9426 * config/arm/neon.md (vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): New
9427 define_insn to match high half of unsigned vaddw.
9428 * config/arm/arm.c (arm_simd_vect_par_cnst_half): New function.
9429 (arm_simd_check_vect_par_cnst_half_p): Likewise.
9430 * config/arm/arm-protos.h (arm_simd_vect_par_cnst_half): Prototype
9432 (arm_simd_check_vect_par_cnst_half_p): Likewise.
9433 * config/arm/predicates.md (vect_par_constant_high): Support
9434 big endian and simplify by calling
9435 arm_simd_check_vect_par_cnst_half
9436 (vect_par_constant_low): Likewise.
9438 2016-04-25 Uros Bizjak <ubizjak@gmail.com>
9440 * config/i386/i386.md (*lea<mode>_general_4): Use const_0_to_3_operand
9441 predicate for operand 2.
9443 2016-04-24 Uros Bizjak <ubizjak@gmail.com>
9444 H.J. Lu <hongjiu.lu@intel.com>
9446 * config/i386/i386-protos.h (standard_sse_constant_p): Add
9447 machine_mode argument.
9448 * config/i386/i386.c (standard_sse_constant_p): Return 2 for
9449 constm1_rtx operands. For VOIDmode constants, get mode from
9450 pred_mode. Check mode size if the mode is supported by ABI.
9451 (standard_sse_constant_opcode): Do not use standard_constant_p.
9452 Strictly check ABI support for all-ones operands.
9453 (ix86_legitimate_constant_p): Handle TImode, OImode and XImode
9454 immediates. Update calls to standard_sse_constant_p.
9455 (ix86_expand_vector_move): Update calls to standard_sse_constant_p.
9456 (ix86_rtx_costs): Ditto.
9457 * config/i386/i386.md (*movxi_internal_avx512f): Use
9458 nonimmediate_or_sse_const_operand instead of vector_move_operand.
9459 Use (v,BC) alternative instead of (v,C). Use register_operand
9460 checks instead of MEM_P.
9461 (*movoi_internal_avx): Use nonimmediate_or_sse_const_operand instead
9462 of vector_move_operand. Add (v,BC) alternative and corresponding avx2
9463 isa attribute. Use register_operand checks instead of MEM_P.
9464 (*movti_internal): Use nonimmediate_or_sse_const_operand for
9465 TARGET_SSE. Improve TARGET_SSE insn constraint. Add (v,BC)
9466 alternative and corresponding sse2 isa attribute.
9467 (*movtf_internal, *movdf_internal, *movsf_interal): Update calls
9468 to standard_sse_constant_p.
9469 (FP constant splitters): Ditto.
9470 * config/i386/constraints.md (BC): Do not use standard_sse_constant_p.
9472 * config/i386/predicates.md (constm1_operand): Remove.
9473 (nonimmediate_or_sse_const_operand): Rewrite using RTX.
9474 * config/i386/sse.md (*<avx512>_cvtmask2<ssemodesuffix><mode>): Use
9475 vector_all_ones_operand instead of constm1_operand.
9477 2016-04-24 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
9479 * print-rtl.c (print_rtx_insn_vec): New function.
9480 * print-rtl.h: New prototype.
9481 * store-motion.c (struct st_expr): Make avail_stores a vector.
9482 (st_expr_entry): Adjust.
9483 (free_st_expr_entry): Likewise.
9484 (print_store_motion_mems): Likewise.
9485 (find_moveable_store): Likewise.
9486 (compute_store_table): Likewise.
9487 (delete_store): Likewise.
9488 (build_store_vectors): Likewise.
9490 2016-04-24 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
9492 * reorg.c (try_merge_delay_insns): Make merged_insns a vector.
9494 2016-04-24 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
9496 * vec.h (vec_safe_contains): New function.
9497 (vec::contains): Likewise.
9498 (vec::begin): Likewise.
9499 (vec::end): Likewise.
9501 2016-04-23 Jakub Jelinek <jakub@redhat.com>
9504 * cfgexpand.c (expand_stack_vars): Fix typo.
9506 2016-04-22 Szabolcs Nagy <szabolcs.nagy@arm.com>
9508 * system.h (list, map, set, vector): Include conditionally.
9509 * auto-profile.c (INCLUDE_MAP, INCLUDE_SET): Define.
9510 * graphite-isl-ast-to-gimple.c (INCLUDE_MAP): Define.
9511 * ipa-icf.c (INCLUDE_LIST): Define.
9512 * config/aarch64/cortex-a57-fma-steering.c (INCLUDE_LIST): Define.
9513 * config/sh/sh.c (INCLUDE_VECTOR): Define.
9514 * config/sh/sh_treg_combine.cc (INCLUDE_ALGORITHM): Define.
9515 (INCLUDE_LIST, INCLUDE_VECTOR): Define.
9516 * cp/logic.cc (INCLUDE_LIST): Define.
9517 * fortran/trans-common.c (INCLUDE_MAP): Define.
9519 2016-04-22 Szabolcs Nagy <szabolcs.nagy@arm.com>
9521 * auto-profile.c: Remove <string.h> include.
9522 * ipa-icf-gimple.c: Remove <list> include.
9523 * diagnostic.c: Remove <new> include.
9524 * genmatch.c: Likewise.
9525 * pretty-print.c: Likewise.
9526 * toplev.c: Likewise
9527 * c/c-objc-common.c: Likewise.
9528 * cp/error.c: Likewise.
9529 * fortran/error.c: Likewise.
9531 2016-04-22 Richard Biener <rguenther@suse.de>
9533 * lto-streamer-in.c (input_ssa_names): Do not allocate
9534 GIMPLE_NOP for all SSA names.
9535 * lto-streamer-out.c (output_ssa_names): Do not output
9536 SSA names that should have been released.
9538 2016-04-22 Richard Biener <rguenther@suse.de>
9540 PR tree-optimization/70740
9541 * tree-ssa-phiprop.c (propagate_with_phi): Handle inserted
9544 2016-04-21 H.J. Lu <hongjiu.lu@intel.com>
9547 * config/i386/predicates.md (call_insn_operand): Replace
9548 sibcall_memory_operand with memory_operand.
9550 2016-04-21 Patrick Palka <ppalka@gcc.gnu.org>
9552 * tree-vrp.c (register_edge_assert_for_2): Remove redundant
9553 has_single_use() tests.
9554 (register_edge_assert_for_1): Likewise.
9555 (find_assert_locations_1): Check the liveness bitmap instead of
9556 checking has_single_use().
9558 2016-04-21 Kirill Yukhin <kirill.yukhin@intel.com>
9561 * config/i386/sse.md (define_insn "<shift_insn><mode>3<mask_name>"):
9562 Extract AVX-512BW constraint from AVX.
9564 2016-04-21 Richard Biener <rguenther@suse.de>
9566 PR tree-optimization/70725
9567 * tree-if-conv.c (if_convertible_phi_p): Adjust guard
9568 for phi_convertible_by_degenerating_args.
9569 (predicate_all_scalar_phis): Handle single-argument PHIs.
9571 2016-04-21 Richard Biener <rguenther@suse.de>
9574 * fold-const.c (fold_comparison): Return properly typed
9577 2016-04-21 Bin Cheng <bin.cheng@arm.com>
9579 PR tree-optimization/70715
9580 * tree-ssa-loop-niter.c (loop_exits_before_overflow): Check equality
9581 after expanding BASE using expand_simple_operations.
9583 2016-04-21 Marc Glisse <marc.glisse@inria.fr>
9585 * match.pd (min(-x, -y), max(-x, -y), min(~x, ~y), max(~x, ~y)):
9586 New transformations.
9588 2016-04-21 Marc Glisse <marc.glisse@inria.fr>
9590 * match.pd (min(int_max, x), max(int_min, x)): New transformations.
9592 2016-04-20 Jan Hubicka <jh@suse.cz>
9594 * ipa-inline.c (can_inline_edge_p): Pass caller info to
9595 ultiimate_alias_target.
9596 (update_callee_keys): Likewise.
9597 (lookup_recursive_calls): Likewise.
9598 (speculation_useful_p): Likewise.
9600 2016-04-20 Jan Hubicka <jh@suse.cz>
9603 * cgraph.c (cgraph_set_nothrow_flag_1): Rename to ...
9604 (set_nothrow_flag_1): ... this; handle interposition correctly;
9605 recurse on aliases and thunks.
9606 (cgraph_node::set_nothrow_flag): New.
9607 * ipa-pure-const.c (ignore_edge_for_nothrow): Ignore calls to
9608 functions compiled with non-call exceptions that binds to current
9610 (propagate_nothrow): Be safe WRT interposition.
9611 * cgraph.h (set_nothrow_flag): Update prototype.
9613 2016-04-18 Jan Hubicka <jh@suse.cz>
9615 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
9616 max_loop_iterations_int.
9617 (tree_unswitch_outer_loop): Likewise.
9619 2016-04-20 Bin Cheng <bin.cheng@arm.com>
9621 PR tree-optimization/69489
9622 * tree-if-conv.c (phi_convertible_by_degenerating_args): New.
9623 (if_convertible_phi_p): Call phi_convertible_by_degenerating_args.
9624 Revise dump message.
9625 (if_convertible_bb_p): Remove check on edge count of basic block's
9628 2016-04-20 Bin Cheng <bin.cheng@arm.com>
9630 PR tree-optimization/56625
9631 PR tree-optimization/69489
9632 * tree-data-ref.h (DR_INNERMOST): New macro.
9633 * tree-if-conv.c (innermost_loop_behavior_hash): New class for
9634 hashing struct innermost_loop_behavior.
9635 (ref_DR_map): Remove.
9636 (innermost_DR_map): New map.
9637 (baseref_DR_map): Revise comment.
9638 (hash_memrefs_baserefs_and_store_DRs_read_written_info): Store DR
9639 to innermost_DR_map accroding to its innermost loop behavior.
9640 (ifcvt_memrefs_wont_trap): Get DR from innermost_DR_map according
9641 to its innermost loop behavior.
9642 (if_convertible_loop_p_1): Remove intialization for ref_DR_map.
9643 Add initialization for innermost_DR_map. Record memory reference
9644 in DR_BASE_ADDRESS if the reference is compound one or it doesn't
9645 have innermost loop behavior.
9646 (if_convertible_loop_p): Remove release for ref_DR_map. Release
9649 2016-04-20 Uros Bizjak <ubizjak@gmail.com>
9651 * config/i386/i386.md (*lea<mode>_general_1): Rename from
9652 *lea_general_1. Use explicit SWI12 mode interator.
9653 (*lea<mode>_general_2): Rename from *lea_general_2.
9654 Use explicit SWI12 mode interator.
9655 (*lea<mode>_general_3): Rename from *lea_general_3.
9656 Use explicit SWI12 mode interator.
9657 (*lea<SWI12:mode>_general_4): Split from *lea_general_4.
9658 Use explicit SWI12 mode interator.
9659 (*lea<SWI48:mode>_general_4): Split from *lea_general_4.
9660 Use explicit SWI48 mode interator.
9662 2016-04-20 H.J. Lu <hongjiu.lu@intel.com>
9664 * config/i386/i386.c (ix86_avx256_split_vector_move_misalign):
9665 Short-cut unaligned load and store cases. Handle all integer
9667 (ix86_expand_vector_move_misalign): Short-cut unaligned load
9668 and store cases. Call ix86_avx256_split_vector_move_misalign
9669 directly without checking mode class.
9671 2016-04-20 Andrew Pinski <apinski@cavium.com>
9672 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
9675 * config/aarch64/aarch64.md (sibcall): Force call
9676 address to be DImode for ILP32.
9677 (sibcall_value): Likewise.
9679 2016-04-20 H.J. Lu <hongjiu.lu@intel.com>
9681 * doc/invoke.texi: Replace -skip-rax-setup with -mskip-rax-setup.
9683 2016-04-20 Richard Biener <rguenther@suse.de>
9685 * gimple-match.h (maybe_build_generic_op): Adjust prototype.
9686 * gimple-match-head.c (maybe_build_generic_op): Pass all ops
9687 by reference, clear op1 and op2 when GENERICizing BIT_FIELD_REF.
9688 (maybe_push_res_to_seq): Adjust.
9689 * gimple-fold.c (maybe_build_generic_op): Likewise.
9691 2016-04-20 Marek Polacek <polacek@redhat.com>
9693 * tree-if-conv.c (is_false_predicate): For NULL_TREE return false
9696 2016-04-20 Ilya Enkovich <ilya.enkovich@intel.com>
9698 * config/i386/sse.md (vec_unpacks_lo_hi): Always
9699 use kmovw to support AVX512F target.
9701 2016-04-20 Bin Cheng <bin.cheng@arm.com>
9703 * tree-scalar-evolution.c (interpret_rhs_expr): Handle BIT_AND_EXPR.
9705 2016-04-20 Marek Polacek <polacek@redhat.com>
9707 PR tree-optimization/70725
9708 * tree-if-conv.c (is_false_predicate): New function.
9709 (predicate_mem_writes): Use it.
9711 2016-04-20 Richard Biener <rguenther@suse.de>
9713 PR tree-optimization/70726
9714 * tree-vect-stmts.c (vectorizable_shift): Do not use scalar
9715 shift amounts from a pattern stmt operand.
9717 2016-04-20 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
9720 * config/s390/s390.c (s390_restore_gprs_from_fprs): Pick the new
9721 stack_restore_from_fpr pattern when restoring r15.
9722 (s390_optimize_prologue): Strip away the memory barrier in the
9723 parallel when trying to get rid of restore insns.
9724 * config/s390/s390.md ("stack_restore_from_fpr"): New insn
9725 definition for loading the stack pointer from an FPR. Compared to
9726 the normal move insn this pattern includes a full memory barrier.
9728 2016-04-19 Jakub Jelinek <jakub@redhat.com>
9731 * gimplify.c (gimplify_omp_for): Call omp_notice_variable for
9732 implicitly linear or lastprivate iterator on the outer context.
9734 2016-04-19 H.J. Lu <hongjiu.lu@intel.com>
9736 * config/i386/i386.c (ix86_legitimate_combined_insn): Remove
9738 * config/i386/i386.md (ssememalign): Removed.
9739 * config/i386/sse.md: Remove ssememalign attribute from patterns.
9741 2016-04-19 H.J. Lu <hongjiu.lu@intel.com>
9744 * config/i386/avx512bwintrin.h (_mm512_mask_loadu_epi16): Pass
9745 const short * to __builtin_ia32_loaddquhi512_mask.
9746 (_mm512_maskz_loadu_epi16): Likewise.
9747 (_mm512_mask_storeu_epi16): Pass short * to
9748 __builtin_ia32_storedquhi512_mask.
9749 (_mm512_mask_loadu_epi8): Pass const char * to
9750 __builtin_ia32_loaddquqi512_mask.
9751 (_mm512_maskz_loadu_epi8): Likewise.
9752 (_mm512_mask_storeu_epi8): Pass char * to
9753 __builtin_ia32_storedquqi512_mask.
9754 * config/i386/avx512fintrin.h (_mm512_loadu_pd): Pass
9755 const double * to __builtin_ia32_loadupd512_mask.
9756 (_mm512_mask_loadu_pd): Likewise.
9757 (_mm512_maskz_loadu_pd): Likewise.
9758 (_mm512_storeu_pd): Pass double * to
9759 __builtin_ia32_storeupd512_mask.
9760 (_mm512_mask_storeu_pd): Likewise.
9761 (_mm512_loadu_ps): Pass const float * to
9762 __builtin_ia32_loadups512_mask.
9763 (_mm512_mask_loadu_ps): Likewise.
9764 (_mm512_maskz_loadu_ps): Likewise.
9765 (_mm512_storeu_ps): Pass float * to
9766 __builtin_ia32_storeups512_mask.
9767 (_mm512_mask_storeu_ps): Likewise.
9768 (_mm512_mask_loadu_epi64): Pass const long long * to
9769 __builtin_ia32_loaddqudi512_mask.
9770 (_mm512_maskz_loadu_epi64): Likewise.
9771 (_mm512_mask_storeu_epi64): Pass long long *
9772 to __builtin_ia32_storedqudi512_mask.
9773 (_mm512_loadu_si512): Pass const int * to
9774 __builtin_ia32_loaddqusi512_mask.
9775 (_mm512_mask_loadu_epi32): Likewise.
9776 (_mm512_maskz_loadu_epi32): Likewise.
9777 (_mm512_storeu_si512): Pass int * to
9778 __builtin_ia32_storedqusi512_mask.
9779 (_mm512_mask_storeu_epi32): Likewise.
9780 * config/i386/avx512vlbwintrin.h (_mm256_mask_storeu_epi8): Pass
9781 char * to __builtin_ia32_storedquqi256_mask.
9782 (_mm_mask_storeu_epi8): Likewise.
9783 (_mm256_mask_loadu_epi16): Pass const short * to
9784 __builtin_ia32_loaddquhi256_mask.
9785 (_mm256_maskz_loadu_epi16): Likewise.
9786 (_mm_mask_loadu_epi16): Pass const short * to
9787 __builtin_ia32_loaddquhi128_mask.
9788 (_mm_maskz_loadu_epi16): Likewise.
9789 (_mm256_mask_loadu_epi8): Pass const char * to
9790 __builtin_ia32_loaddquqi256_mask.
9791 (_mm256_maskz_loadu_epi8): Likewise.
9792 (_mm_mask_loadu_epi8): Pass const char * to
9793 __builtin_ia32_loaddquqi128_mask.
9794 (_mm_maskz_loadu_epi8): Likewise.
9795 (_mm256_mask_storeu_epi16): Pass short * to.
9796 __builtin_ia32_storedquhi256_mask.
9797 (_mm_mask_storeu_epi16): Pass short * to.
9798 __builtin_ia32_storedquhi128_mask.
9799 * config/i386/avx512vlintrin.h (_mm256_mask_loadu_pd): Pass
9800 const double * to __builtin_ia32_loadupd256_mask.
9801 (_mm256_maskz_loadu_pd): Likewise.
9802 (_mm_mask_loadu_pd): Pass onst double * to
9803 __builtin_ia32_loadupd128_mask.
9804 (_mm_maskz_loadu_pd): Likewise.
9805 (_mm256_mask_storeu_pd): Pass double * to
9806 __builtin_ia32_storeupd256_mask.
9807 (_mm_mask_storeu_pd): Pass double * to
9808 __builtin_ia32_storeupd128_mask.
9809 (_mm256_mask_loadu_ps): Pass const float * to
9810 __builtin_ia32_loadups256_mask.
9811 (_mm256_maskz_loadu_ps): Likewise.
9812 (_mm_mask_loadu_ps): Pass const float * to
9813 __builtin_ia32_loadups128_mask.
9814 (_mm_maskz_loadu_ps): Likewise.
9815 (_mm256_mask_storeu_ps): Pass float * to
9816 __builtin_ia32_storeups256_mask.
9817 (_mm_mask_storeu_ps): ass float * to
9818 __builtin_ia32_storeups128_mask.
9819 (_mm256_mask_loadu_epi64): Pass const long long * to
9820 __builtin_ia32_loaddqudi256_mask.
9821 (_mm256_maskz_loadu_epi64): Likewise.
9822 (_mm_mask_loadu_epi64): Pass const long long * to
9823 __builtin_ia32_loaddqudi128_mask.
9824 (_mm_maskz_loadu_epi64): Likewise.
9825 (_mm256_mask_storeu_epi64): Pass long long * to
9826 __builtin_ia32_storedqudi256_mask.
9827 (_mm_mask_storeu_epi64): Pass long long * to
9828 __builtin_ia32_storedqudi128_mask.
9829 (_mm256_mask_loadu_epi32): Pass const int * to
9830 __builtin_ia32_loaddqusi256_mask.
9831 (_mm256_maskz_loadu_epi32): Likewise.
9832 (_mm_mask_loadu_epi32): Pass const int * to
9833 __builtin_ia32_loaddqusi128_mask.
9834 (_mm_maskz_loadu_epi32): Likewise.
9835 (_mm256_mask_storeu_epi32): Pass int * to
9836 __builtin_ia32_storedqusi256_mask.
9837 (_mm_mask_storeu_epi32): Pass int * to
9838 __builtin_ia32_storedqusi128_mask.
9839 * config/i386/i386-builtin-types.def (PCSHORT): New.
9841 (V64QI_FTYPE_PCCHAR_V64QI_UDI): Likewise.
9842 (V32HI_FTYPE_PCSHORT_V32HI_USI): Likewise.
9843 (V32QI_FTYPE_PCCHAR_V32QI_USI): Likewise.
9844 (V16SF_FTYPE_PCFLOAT_V16SF_UHI): Likewise.
9845 (V8DF_FTYPE_PCDOUBLE_V8DF_UQI): Likewise.
9846 (V16SI_FTYPE_PCINT_V16SI_UHI): Likewise.
9847 (V16HI_FTYPE_PCSHORT_V16HI_UHI): Likewise.
9848 (V16QI_FTYPE_PCCHAR_V16QI_UHI): Likewise.
9849 (V8SF_FTYPE_PCFLOAT_V8SF_UQI): Likewise.
9850 (V8DI_FTYPE_PCINT64_V8DI_UQI): Likewise.
9851 (V8SI_FTYPE_PCINT_V8SI_UQI): Likewise.
9852 (V8HI_FTYPE_PCSHORT_V8HI_UQI): Likewise.
9853 (V4DF_FTYPE_PCDOUBLE_V4DF_UQI): Likewise.
9854 (V4SF_FTYPE_PCFLOAT_V4SF_UQI): Likewise.
9855 (V4DI_FTYPE_PCINT64_V4DI_UQI): Likewise.
9856 (V4SI_FTYPE_PCINT_V4SI_UQI): Likewise.
9857 (V2DF_FTYPE_PCDOUBLE_V2DF_UQI): Likewise.
9858 (V2DI_FTYPE_PCINT64_V2DI_UQI): Likewise.
9859 (VOID_FTYPE_PDOUBLE_V8DF_UQI): Likewise.
9860 (VOID_FTYPE_PDOUBLE_V4DF_UQI): Likewise.
9861 (VOID_FTYPE_PDOUBLE_V2DF_UQI): Likewise.
9862 (VOID_FTYPE_PFLOAT_V16SF_UHI): Likewise.
9863 (VOID_FTYPE_PFLOAT_V8SF_UQI): Likewise.
9864 (VOID_FTYPE_PFLOAT_V4SF_UQI): Likewise.
9865 (VOID_FTYPE_PINT64_V8DI_UQI): Likewise.
9866 (VOID_FTYPE_PINT64_V4DI_UQI): Likewise.
9867 (VOID_FTYPE_PINT64_V2DI_UQI): Likewise.
9868 (VOID_FTYPE_PINT_V16SI_UHI): Likewise.
9869 (VOID_FTYPE_PINT_V8SI_UHI): Likewise.
9870 (VOID_FTYPE_PINT_V4SI_UHI): Likewise.
9871 (VOID_FTYPE_PSHORT_V32HI_USI): Likewise.
9872 (VOID_FTYPE_PSHORT_V16HI_UHI): Likewise.
9873 (VOID_FTYPE_PSHORT_V8HI_UQI): Likewise.
9874 (VOID_FTYPE_PCHAR_V64QI_UDI): Likewise.
9875 (VOID_FTYPE_PCHAR_V32QI_USI): Likewise.
9876 (VOID_FTYPE_PCHAR_V16QI_UHI): Likewise.
9877 (V64QI_FTYPE_PCV64QI_V64QI_UDI): Removed.
9878 (V32HI_FTYPE_PCV32HI_V32HI_USI): Likewise.
9879 (V32QI_FTYPE_PCV32QI_V32QI_USI): Likewise.
9880 (V16HI_FTYPE_PCV16HI_V16HI_UHI): Likewise.
9881 (V16QI_FTYPE_PCV16QI_V16QI_UHI): Likewise.
9882 (V8HI_FTYPE_PCV8HI_V8HI_UQI): Likewise.
9883 (VOID_FTYPE_PV32HI_V32HI_USI): Likewise.
9884 (VOID_FTYPE_PV16HI_V16HI_UHI): Likewise.
9885 (VOID_FTYPE_PV8HI_V8HI_UQI): Likewise.
9886 (VOID_FTYPE_PV64QI_V64QI_UDI): Likewise.
9887 (VOID_FTYPE_PV32QI_V32QI_USI): Likewise.
9888 (VOID_FTYPE_PV16QI_V16QI_UHI): Likewise.
9889 * config/i386/i386.c (ix86_emit_save_reg_using_mov): Don't
9891 (ix86_emit_restore_sse_regs_using_mov): Don't use UNSPEC_LOADU.
9892 (ix86_avx256_split_vector_move_misalign): Don't use unaligned
9894 (ix86_expand_vector_move_misalign): Likewise.
9895 (bdesc_special_args): Use CODE_FOR_movvNXY_internal and pointer
9896 to scalar function prototype for unaligned load/store builtins.
9897 (ix86_expand_special_args_builtin): Updated.
9898 * config/i386/sse.md (UNSPEC_LOADU): Removed.
9899 (UNSPEC_STOREU): Likewise.
9900 (VI_ULOADSTORE_BW_AVX512VL): Likewise.
9901 (VI_ULOADSTORE_F_AVX512VL): Likewise.
9902 (ssescalarsize): Handle V4TI, V2TI and V1TI.
9903 (<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
9904 (*<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
9905 (<sse>_storeu<ssemodesuffix><avxsizesuffix>): Likewise.
9906 (<avx512>_storeu<ssemodesuffix><avxsizesuffix>_mask): Likewise.
9907 (<sse2_avx_avx512f>_loaddqu<mode><mask_name>): Likewise.
9908 (*<sse2_avx_avx512f>_loaddqu<mode><mask_name>"): Likewise.
9909 (sse2_avx_avx512f>_storedqu<mode>): Likewise.
9910 (<avx512>_storedqu<mode>_mask): Likewise.
9911 (*sse4_2_pcmpestr_unaligned): Likewise.
9912 (*sse4_2_pcmpistr_unaligned): Likewise.
9913 (*mov<mode>_internal): Renamed to ...
9914 (mov<mode>_internal): This. Remove check of AVX and IAMCU on
9915 misaligned operand. Replace vmovdqu64 with vmovdqu<ssescalarsize>.
9916 (movsd/movhpd to movupd peephole): Don't use UNSPEC_LOADU.
9917 (movlpd/movhpd to movupd peephole): Don't use UNSPEC_STOREU.
9919 2016-04-19 Richard Biener <rguenther@suse.de>
9921 PR tree-optimization/70171
9922 * tree-ssa-phiprop.c: Include stor-layout.h.
9923 (phiprop_insert_phi): Handle the aggregate copy case.
9924 (propagate_with_phi): Likewise.
9926 2016-04-19 Uros Bizjak <ubizjak@gmail.com>
9928 * config/i386/i386.c (ix86_decompose_address): Use lowpart_subreg
9929 instead of simplify_gen_subreg (... , 0).
9930 (ix86_delegitimize_address): Ditto.
9931 (ix86_split_divmod): Ditto.
9932 (ix86_split_copysign_const): Ditto.
9933 (ix86_split_copysign_var): Ditto.
9934 (ix86_expand_args_builtin): Ditto.
9935 (ix86_expand_round_builtin): Ditto.
9936 (ix86_expand_special_args_builtin): Ditto.
9937 * config/i386/i386.md (TARGET_USE_VECTOR_FP_CONVERTS splitters): Ditto.
9938 (TARGET_SSE_PARTIAL_REG_DEPENDENCY splitters and peephole2s): Ditto.
9939 (udivmodqi4): Ditto.
9940 (absneg splitters): Ditto.
9941 (*jcc_bt<mode>_1): Ditto.
9943 2016-04-19 Richard Biener <rguenther@suse.de>
9945 PR tree-optimization/70724
9946 * tree-ssa-sccvn.c (scc_vn_restore_ssa_info): Split SSA info
9947 restoring out from ...
9948 (free_scc_vn): ... here.
9949 * tree-ssa-sccvn.h (scc_vn_restore_ssa_info): Declare.
9950 * tres-ssa-pre.c (pass_pre::execute): Restore SSA info before
9952 (pass_fre::execute): Restore SSA info.
9954 2016-04-19 Richard Biener <rguenther@suse.de>
9956 * gimple-walk.h (struct walk_stmt_info): Add stmt member.
9957 * gimple-walk.c (walk_gimple_op): Initialize it.
9958 (walk_gimple_asm): Set wi->is_lhs before each callback invocation.
9959 * tree-inline.c (remap_gimple_op_r): Set SSA_NAME_DEF_STMT when
9960 remapping SSA names of defs.
9961 (copy_bb): Remove walk over all SSA defs and SSA_NAME_DEF_STMT
9964 2016-04-18 Vladimir Makarov <vmakarov@redhat.com>
9967 * lra-constraints.c (equiv_substition_p): New.
9968 (process_alt_operands): Use it.
9969 (swap_operands): Swap it.
9970 (curr_insn_transform): Update it.
9972 2016-04-18 Michael Matz <matz@suse.de>
9974 * tree.h (TYPE_ALIGN, DECL_ALIGN): Return shifted amount.
9975 (SET_TYPE_ALIGN, SET_DECL_ALIGN): New.
9976 * tree-core.h (tree_type_common.align): Use bit-field.
9977 (tree_type_common.spare): New.
9978 (tree_decl_common.off_align): Make smaller.
9979 (tree_decl_common.align): Use bit-field.
9981 * expr.c (expand_expr_addr_expr_1): Use SET_TYPE_ALIGN.
9982 * omp-low.c (install_var_field): Use SET_DECL_ALIGN.
9983 (scan_sharing_clauses): Ditto.
9984 (finish_taskreg_scan): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
9985 (omp_finish_file): Ditto.
9986 * stor-layout.c (do_type_align): Use SET_DECL_ALIGN.
9987 (layout_decl): Ditto.
9988 (relayout_decl): Ditto.
9989 (finalize_record_size): Use SET_TYPE_ALIGN.
9990 (finalize_type_size): Ditto.
9991 (finish_builtin_struct): Ditto.
9992 (layout_type): Ditto.
9993 (initialize_sizetypes): Ditto.
9994 * targhooks.c (std_gimplify_va_arg_expr): Use SET_TYPE_ALIGN.
9995 * tree-nested.c (insert_field_into_struct): Use SET_TYPE_ALIGN.
9996 (lookup_field_for_decl): Use SET_DECL_ALIGN.
9997 (get_chain_field): Ditto.
9998 (get_trampoline_type): Ditto.
9999 (get_nl_goto_field): Ditto.
10000 * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
10002 (unpack_ts_type_common_value_fields): Use SET_TYPE_ALIGN.
10003 * gimple-expr.c (copy_var_decl): Use SET_DECL_ALIGN.
10004 * tree.c (make_node_stat): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
10005 (build_qualified_type): Use SET_TYPE_ALIGN.
10006 (build_aligned_type, build_range_type_1): Ditto.
10007 (build_atomic_base): Ditto.
10008 (build_common_tree_nodes): Ditto.
10009 * cfgexpand.c (align_local_variable): Use SET_DECL_ALIGN.
10010 (expand_one_stack_var_at): Ditto.
10011 * coverage.c (build_var): Use SET_DECL_ALIGN.
10012 * except.c (init_eh): Ditto.
10013 * function.c (assign_parm_setup_block): Ditto.
10014 * symtab.c (increase_alignment_1): Ditto.
10015 * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Ditto.
10016 * tree-vect-stmts.c (ensure_base_align): Ditto.
10017 * varasm.c (align_variable): Ditto.
10018 (assemble_variable): Ditto.
10019 (build_constant_desc): Ditto.
10020 (output_constant_def_contents): Ditto.
10022 * config/arm/arm.c (arm_relayout_function): Use SET_DECL_ALIGN.
10023 * config/avr/avr.c (avr_adjust_type_node): Use SET_TYPE_ALIGN.
10024 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): Ditto.
10025 * config/msp430/msp430.c (msp430_gimplify_va_arg_expr): Ditto.
10026 * config/spu/spu.c (spu_build_builtin_va_list): Use SET_DECL_ALIGN.
10028 2016-04-18 H.J. Lu <hongjiu.lu@intel.com>
10031 * config/i386/sse.md (sse2_loadlpd): Accept load from "xm" and
10032 replace %vmovsd with "%vmovq".
10033 (vec_concatv2df): Likewise.
10035 2016-04-18 Uros Bizjak <ubizjak@gmail.com>
10037 * config/i386/mmx.md (*vec_extractv2sf_0): Use gen_lowpart.
10038 (*vec_extractv2si_0): Ditto.
10039 * config/i386/sse.md (*vec_extractv4sf_0): Ditto.
10040 (zero_extended_scalar_load_operand splitters): Ditto.
10041 (vec_extract splitters): Ditto.
10042 (*vec_extractv4si_0_zext): Ditto.
10043 (avx_<castmode><avxsizesuffix>_<castmode>): Use gen_lowpart
10044 and lowpart_subreg.
10045 (avx512f_<castmode><avxsizesuffix>_<castmode>): Ditto.
10046 (avx512f_<castmode><avxsizesuffix>_256<castmode>): Ditto.
10047 (*sse4_1_extractps): Use lowpart_subreg.
10048 * config/i386/i386.md (x87 floatsplitter): Use gen_lowpart.
10050 2016-04-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
10052 * doc/install.texi (Specific, i?86-*-solaris2.10): Update gas and
10054 (Specific, *-*-solaris2*): Update Solaris 11 bundled gcc versions.
10055 Mention Solaris 11 packaging changes.
10056 Update gas and gld requirements.
10057 Remove reference to pre-Solaris 10 bug.
10058 (Specific, sparc-sun-solaris2*): Remove reference to pre-Solaris 10
10060 (Specific, sparc64-*-solaris2*): Remove reference to bootstrap
10063 2016-04-17 Jan Hubicka <jh@suse.cz>
10065 * tree-ssa-loop-ivopts.c (avg_loop_niter): Use also
10066 max_loop_iterations_int.
10068 2016-04-18 Richard Biener <rguenther@suse.de>
10070 PR tree-optimization/43434
10071 * tree-ssa-structalias.c (struct vls_data): New.
10072 (visit_loadstore): Handle all pointer-based accesses.
10073 (compute_dependence_clique): Compute a bitmap of restrict tags
10074 assigned bases and pass it to visit_loadstore.
10076 2016-04-18 Matthew Wahab <matthew.wahab@arm.com>
10079 * config/arm/bpabi.h (BE8_LINK_SPEC): Add entries for armv8+crc,
10080 armv8.1-a and armv8.1-a+crc.
10082 2016-04-18 Richard Biener <rguenther@suse.de>
10084 PR tree-optimization/70701
10085 * tree-ssa-sccvn.c (vn_reference_lookup_3): Resolve fully constant
10086 references after translating through a memcpy.
10088 2016-04-18 Richard Biener <rguenther@suse.de>
10090 * tree-ssa-pre.c (postorder, postorder_num): Make locals ...
10091 (compute_antic): ... here. For partial antic use regular
10092 postorder and scrap iteration.
10093 (compute_partial_antic_aux): Remove unused return value.
10094 (init_pre): Do not allocate postorder.
10095 (fini_pre): Do not free postorder.
10097 2016-04-18 Richard Biener <rguenther@suse.de>
10099 PR middle-end/37870
10100 * expmed.c (extract_bit_field_1): Remove broken case
10101 using a wider MODE_INT mode.
10103 2016-04-18 Segher Boessenkool <segher@kernel.crashing.org>
10105 * has-brig.c (lendian16): Don't try to use __builtin_bswap16
10106 unless compiling with at least GCC-4.8.
10108 2016-04-17 Jan Hubicka <jh@suse.cz>
10111 * graphite.c (graphite_finalize): Update call to
10112 tree_estimate_probability.
10113 * predict.h (tree_estimate_probability): Update prototype.
10115 2016-04-17 Jan Hubicka <jh@suse.cz>
10117 * predict.c (combine_predictions_for_bb): Add dry_run parmaeter.
10118 (tree_estimate_probability): Likewise.
10119 (pass_profile::execute): Update.
10120 (report_predictor_hitrates): New function.
10121 * profile.c (compute_branch_probabilities): Use it.
10122 * predict.h (report_predictor_hitrates): Declare.
10124 2016-04-17 Jan Hubicka <jh@suse.cz>
10127 * cgraph.h (cgraph_node::set_const_flag,
10128 cgraph_node::set_pure_flag): Update prototype to return bool;
10130 * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases): Thunks
10131 of interposable symbol are interposable, too.
10132 (cgraph_set_const_flag_1): Rename to ...
10133 (set_const_flag_1): ... this one; change to self recursive function
10134 instead of call_for_symbol_thunks_and_aliases. Handle correctly
10135 clearnig the flag in all variants and also virtual thunks of const
10136 functions are pure; track if any change was done.
10137 (cgraph_node::set_const_flag): Update.
10138 (struct set_pure_flag_info): New struct.
10139 (cgraph_set_pure_flag_1): Rename to ...
10140 (set_pure_flag_1): ... this one; take set_pure_flag_info parameter
10141 rather than pointer encoded flags; track if any changes was done;
10142 handle correctly clearning flag and setting flag of aliases already
10144 (cgraph_node::set_pure_flag): Update.
10145 (cgraph_node::set_nothrow_flag): Handle correctly clearning the flag.
10147 2016-04-17 Tom de Vries <tom@codesourcery.com>
10150 * pretty-print.c (pp_write_text_as_dot_label_to_stream): Escape
10151 backslash in label.
10153 2016-04-17 Tom de Vries <tom@codesourcery.com>
10155 * pretty-print.c (pp_write_text_as_dot_label_to_stream): Classify chars
10156 '{}<> ' as escape-for-record.
10158 2016-04-17 Tom de Vries <tom@codesourcery.com>
10160 * pretty-print.c (pp_write_text_as_dot_label_to_stream): Simplify loop
10163 2016-04-17 Tom de Vries <tom@codesourcery.com>
10166 * tree-pass.h (class opt_pass): Remove graph_dump_initialized member.
10167 * dumpfile.h (struct dump_file_info): Add graph_dump_initialized field.
10168 * dumpfile.c (dump_files): Initialize graph_dump_initialized field.
10169 * passes.c (finish_optimization_passes): Only call
10170 finish_graph_dump_file if dfi->graph_dump_initialized.
10171 (execute_function_dump, pass_init_dump_file): Use
10172 dfi->graph_dump_initialized instead of pass->graph_dump_initialized.
10174 2016-04-17 Tom de Vries <tom@codesourcery.com>
10176 PR tree-optimization/70256
10177 * tree-ssa-structalias.c (dump_varinfo, debug_varinfo, dump_varmap)
10178 (debug_varmap): New function.
10180 2016-04-17 Tom de Vries <tom@codesourcery.com>
10183 * passes.c (pass_manager::register_pass): Propagate pflags.
10185 2016-04-17 Tom de Vries <tom@codesourcery.com>
10188 * pass_manager.h (TERMINATE_PASS_LIST): Add pass argument.
10189 * passes.c (pass_manager::pass_manager): Declare and init p_start in
10190 INSERT_PASSES_AFTER. Add pass parameter to TERMINATE_PASS_LIST, and
10191 check if it's equal to p_start.
10192 * passes.def: Add arguments to TERMINATE_PASS_LISTs.
10194 2016-04-15 Jan Hubicka <jh@suse.cz>
10197 * cgraph.c (cgraph_set_const_flag_1): Only set as pure if
10198 function does not bind to current def.
10199 * ipa-pure-const.c (worse_state): Add FROM and TO parameters;
10200 handle conservatively calls to functions that does not need to bind
10202 (check_call): Update call of worse_state.
10203 (ignore_edge_for_nothrow): Update.
10204 (ignore_edge_for_pure_const): Likewise.
10205 (propagate_pure_const): Update calls to worse_state.
10206 (skip_function_for_local_pure_const): Reformat comments.
10208 2016-04-15 Jan Hubicka <jh@suse.cz>
10211 * cgraph.c (cgraph_node::get_availability): Add REF parameter.
10212 (cgraph_node::function_symbol): Likewise.
10213 (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
10214 * cgraph.h (symtab_node::get_availabbility): Add REF parameter.
10215 (symtab_node::ultimate_alias_target): Add REF parameter.
10216 (symtab_node::binds_to_current_def_p): Declare.
10217 (symtab_node;:ultimate_alias_target_1): Add REF parameter.
10218 (cgraph_node::function_symbol): Likewise.
10219 (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
10220 (cgraph_node::get_availability): Likewise.
10221 (cgraph_edge::binds_to_current_def_p): New inline function.
10222 (varpool_node::get_availability): Add REF parameter.
10223 (varpool_node::ultimate_alias_target): Likewise.
10224 * symtab.c (symtab_node::ultimate_alias_target_1): Likewise.
10225 (symtab_node::binds_to_current_def_p): Likewise.
10226 * varpool.c (varpool_node::get_availability): Likewise.
10228 2016-04-15 Kirill Yukhin <kirill.yukhin@intel.com>
10231 * config/i386/sse.md(define_insn "<avx512>_vec_dup<mode><mask_name>"):
10232 Fix mode size check.
10234 2016-04-15 Jakub Jelinek <jakub@redhat.com>
10236 * BASE-VER: Set to 7.0.0.
10238 2016-04-15 Alexander Monakov <amonakov@ispras.ru>
10240 * config/nvptx/nvptx.opt (moptimize): Add a period at end of help text.
10242 2016-04-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
10244 * doc/invoke.texi (ARM Options): Add note on deprecation of pre-ARMv4T
10245 architecture revisions.
10247 2016-04-15 Bernd Schmidt <bschmidt@redhat.com>
10249 * config/i386/i386-protos.h (ix86_using_red_zone): Declare.
10250 * config/i386/i386.c (ix86_using_red_zone): No longer static.
10251 * config/i386/i386.md (stack decrement to push peepholes): Guard
10252 with !x86_using_red_zone ().
10254 2016-04-15 Jakub Jelinek <jakub@redhat.com>
10257 * tree-pretty-print.c (do_niy): Add FLAGS argument, pass it down
10258 to dump_generic_node.
10259 (NIY): Pass also flags to do_niy.
10261 2016-04-15 Thomas Schwinge <thomas@codesourcery.com>
10263 * omp-low.c (simd_clone_struct_alloc, simd_clone_struct_copy)
10264 (simd_clone_vector_of_formal_parm_types)
10265 (simd_clone_clauses_extract, simd_clone_compute_base_data_type)
10266 (simd_clone_mangle, simd_clone_create)
10267 (simd_clone_adjust_return_type, create_tmp_simd_array)
10268 (simd_clone_adjust_argument_types, simd_clone_init_simd_arrays)
10269 (struct modify_stmt_info, ipa_simd_modify_stmt_ops)
10270 (ipa_simd_modify_function_body, simd_clone_linear_addend)
10271 (simd_clone_adjust, expand_simd_clones, ipa_omp_simd_clone)
10272 (pass_data_omp_simd_clone, class pass_omp_simd_clone)
10273 (pass_omp_simd_clone::gate, make_pass_omp_simd_clone): Move into...
10274 * omp-simd-clone.c: ... this new file.
10275 (simd_clone_vector_of_formal_parm_types): Make it static.
10276 * Makefile.in (OBJS): Add omp-simd-clone.o.
10278 2016-04-15 Kirill Yukhin <kirill.yukhin@intel.com>
10281 * config/i386/sse.md: Use proper memory operand modifiers.
10284 2016-04-15 Richard Biener <rguenther@suse.de>
10285 Alan Modra <amodra@gmail.com>
10287 PR tree-optimization/70130
10288 * tree-vect-data-refs.c (vect_supportable_dr_alignment): Detect
10289 when alignment stays not the same and no not use the realign
10292 2016-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
10295 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
10296 direct move handlers for KFmode. Change TFmode handlers test from
10297 FLOAT128_IEEE_P to FLOAT128_VECTOR_P.
10299 2016-04-14 Jakub Jelinek <jakub@redhat.com>
10302 * ipa-utils.h (polymorphic_ctor_dtor_p): New prototype.
10303 * ipa-polymorphic-call.c (polymorphic_ctor_dtor_p): New function.
10304 (inlined_polymorphic_ctor_dtor_block_p): Use it.
10305 * tree-ssa-live.c (remove_unused_scope_block_p): When
10306 in_ctor_dtor_block, avoid discarding not just BLOCKs with
10307 BLOCK_ABSTRACT_ORIGIN being FUNCTION_DECL, but even when
10308 block_ultimate_origin is FUNCTION_DECL.
10309 (remove_unused_locals): If current_function_decl is
10310 polymorphic_ctor_dtor_p, pass initial true to
10311 remove_unused_scope_block_p' is_ctor_dtor_block.
10313 2016-04-14 Martin Sebor <msebor@redhat.com>
10318 * doc/extend.texi (Variable Length): Revert.
10320 2016-04-14 Marek Polacek <polacek@redhat.com>
10321 Jan Hubicka <hubicka@ucw.cz>
10324 * tree.c (verify_type): Disable the canonical type of main variant
10327 2016-04-14 Jason Merrill <jason@redhat.com>
10329 * cfgexpand.c, expr.c: Revert previous change.
10331 2016-04-14 Cesar Philippidis <cesar@codesourcery.com>
10333 PR middle-end/70643
10334 * omp-low.c (lower_oacc_reductions): Check for TREE_CONSTANT
10335 when building a mem ref for the incoming reduction variable.
10337 2016-04-14 Richard Biener <rguenther@suse.de>
10339 PR tree-optimization/70614
10340 * tree-scalar-evolution.c (analyze_evolution_in_loop): Terminate
10341 loop if the evolution dropped to chrec_dont_know.
10342 (interpret_condition_phi): Likewise.
10344 2016-04-14 Richard Biener <rguenther@suse.de>
10346 PR tree-optimization/70623
10347 * tree-ssa-pre.c (changed_blocks): Make global ...
10348 (compute_antic): ... local here. Move and fix worklist
10349 handling here. Do not clear EDGE_DFS_BACK or call mark_dfs_back_edges.
10350 (compute_antic_aux): Add dumping for MAX assumed succs. Remove
10351 worklist handling, dump when ANTIC_IN changed.
10352 (compute_partial_antic_aux): Remove worklist handling.
10353 (init_pre): Do not compute post dominators. Add a comment about
10354 the CFG order chosen.
10355 (fini_pre): Do not free post dominators.
10357 2016-04-13 Martin Sebor <msebor@redhat.com>
10362 * doc/extend.texi (Variable Length): Document C++ specifics.
10364 2016-04-13 Jakub Jelinek <jakub@redhat.com>
10367 * ipa-pure-const.c (pass_nothrow::execute): Call maybe_clean_eh_stmt
10368 on all recursive call stmts. Return TODO_cleanup_cfg if any dead
10369 eh edges have been purged.
10372 * tree-sra.c (create_access_replacement,
10373 get_replaced_param_substitute): Set DECL_NAMELESS on repl if it
10375 * tree-pretty-print.c (dump_fancy_name): New function.
10376 (dump_decl_name, dump_generic_node): Use it.
10378 2016-04-13 Jason Merrill <jason@redhat.com>
10380 * cfgexpand.c (pass_expand::execute): Handle attribute "abi warning".
10381 * expr.c (expand_expr_real_1): Likewise.
10383 2016-04-13 Ilya Enkovich <ilya.enkovich@intel.com>
10385 * config/i386/i386.md (kunpckhi): Swap operands.
10386 (kunpcksi): Likewise.
10387 (kunpckdi): Likewise.
10388 * config/i386/sse.md (vec_pack_trunc_qi): Likewise.
10389 (vec_pack_trunc_<mode>): Likewise.
10391 2016-04-13 Jakub Jelinek <jakub@redhat.com>
10394 * explow.c (convert_memory_address_addr_space_1): Formatting fix.
10396 PR middle-end/70633
10397 * gimplify.c (gimplify_init_constructor): Clear TREE_STATIC if
10398 gimplification turns some element into non-constant.
10401 * rtl.h (convert_memory_address_addr_space_1): New prototype.
10402 * explow.c (convert_memory_address_addr_space_1): No longer static,
10403 add NO_EMIT argument and don't call convert_modes if true, pass
10404 it down recursively, remove break after return.
10405 (convert_memory_address_addr_space): Adjust caller.
10406 * simplify-rtx.c (simplify_unary_operation_1): Call
10407 convert_memory_address_addr_space_1 instead of convert_memory_address,
10408 if it returns NULL, don't simplify.
10410 2016-04-12 Eric Botcazou <ebotcazou@adacore.com>
10413 * config/sparc/sparc.c (sparc_compute_frame_size): Add parentheses.
10415 2016-04-12 Jakub Jelinek <jakub@redhat.com>
10417 * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
10418 Bump the upper SIMDLEN limits, so that if the return type or
10419 characteristic type if the return type is void can be passed in
10420 all available SSE2/AVX/AVX2/AVX512-F registers, the SIMDLEN is
10423 2016-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
10426 * config/rs6000/rs6000.md (ieee_128bit_vsx_neg<mode>2_internal):
10427 Do not use "=" constraint on an input constraint.
10428 (ieee_128bit_vsx_abs<mode>2_internal): Likewise.
10429 (ieee_128bit_vsx_nabs<mode>2_internal): Likewise.
10430 (ieee_128bit_vsx_nabs<mode>2): Correct splitter so that it
10431 generates (neg (abs ...)) instead of (abs ...).
10433 2016-04-12 Jakub Jelinek <jakub@redhat.com>
10435 PR rtl-optimization/70596
10436 * lra-spills.c (spill_pseudos): Don't delete debug insns, instead
10437 just invalidate LRA data and reset them. Adjust dump wording.
10439 2016-04-12 Martin Liska <mliska@suse.cz>
10442 2016-03-30 Jan Hubicka <hubicka@ucw.cz>
10444 * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
10446 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
10447 max_loop_iterations_int.
10448 (tree_unswitch_outer_loop): Likewise.
10449 * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
10450 * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
10452 2016-04-12 Tom de Vries <tom@codesourcery.com>
10454 PR tree-optimization/68756
10455 * graphite-isl-ast-to-gimple.c (copy_cond_phi_args): Use new_expr
10456 instead of new_name.
10458 2016-04-12 Jakub Jelinek <jakub@redhat.com>
10460 PR tree-optimization/70602
10461 * tree-sra.c (generate_subtree_copies): Don't write anything into
10462 constant pool decls.
10464 * omp-low.c (lower_omp_target): Use GOMP_MAP_FIRSTPRIVATE_INT
10465 regardless whether there are depend clauses or not.
10467 2016-04-11 Michael Meissner <meissner@linux.vnet.ibm.com>
10470 * config/rs6000/rs6000.c (rs6000_opt_masks): Disable using the
10471 target attribute and pragma from changing the -mfloat128
10472 and -mfloat128-hardware options.
10474 * doc/extend.texi (Additional Floating Types): Document PowerPC
10475 __float128 restrictions.
10477 2016-04-11 James Greenhalgh <james.greenhalgh@arm.com>
10480 * config/aarch64/driver-aarch64.c
10481 (aarch64_get_extension_string_for_isa_flags): New.
10482 (arch_extension): Rename to...
10483 (aarch64_arch_extension): ...This.
10484 (ext_to_feat_string): Rename to...
10485 (aarch64_extensions): ...This.
10486 (aarch64_core_data): Keep track of architecture extension flags.
10487 (cpu_data): Rename to...
10488 (aarch64_cpu_data): ...This.
10489 (aarch64_arch_driver_info): Keep track of architecture extension
10491 (get_arch_name_from_id): Rename to...
10492 (get_arch_from_id): ...This, change return type.
10493 (host_detect_local_cpu): Update and reformat for renames, handle
10494 extensions through common infrastructure.
10496 2016-04-11 James Greenhalgh <james.greenhalgh@arm.com>
10499 * config/aarch64/aarch64-common.c (aarch64_option_extension): Keep
10500 track of a canonical flag name.
10501 (all_extensions): Likewise.
10502 (arch_to_arch_name): Also track extension flags enabled by the arch.
10503 (all_architectures): Likewise.
10504 (aarch64_parse_extension): Move to here.
10505 (aarch64_get_extension_string_for_isa_flags): Take a new argument,
10507 (aarch64_rewrite_selected_cpu): Update for above change.
10508 * config/aarch64/aarch64-option-extensions.def: Rework the way flags
10509 are handled, such that the single explicit value enabled by an
10510 extension is kept seperate from the implicit values it also enables.
10511 * config/aarch64/aarch64-protos.h (aarch64_parse_opt_result): Move
10513 (aarch64_parse_extension): New.
10514 * config/aarch64/aarch64.c (aarch64_parse_opt_result): Move from
10515 here to config/aarch64/aarch64-protos.h.
10516 (aarch64_parse_extension): Move from here to
10517 common/config/aarch64/aarch64-common.c.
10518 (aarch64_option_print): Update.
10519 (aarch64_declare_function_name): Likewise.
10520 (aarch64_start_file): Likewise.
10521 * config/aarch64/driver-aarch64.c (arch_extension): Keep track of
10522 the canonical flag for extensions.
10523 * config.gcc (aarch64*-*-*): Extend regex for capturing extension
10526 2016-04-11 James Greenhalgh <james.greenhalgh@arm.com>
10528 * config/aarch64/aarch64.h (AARCH64_FL_FOR_ARCH8_1): Also add
10531 2016-04-09 Tom de Vries <tom@codesourcery.com>
10533 PR tree-optimization/68953
10534 * graphite-sese-to-poly.c (pdr_add_memory_accesses): Order accesses from
10535 first to last subscript.
10537 2016-04-09 Jakub Jelinek <jakub@redhat.com>
10539 PR tree-optimization/70586
10540 * tree-ssa-ifcombine.c (bb_no_side_effects_p): Return false
10543 2016-04-08 Cesar Philippidis <cesar@codesourcery.com>
10547 PR tree-optimization/70373
10548 PR middle-end/70533
10549 PR middle-end/70534
10550 PR middle-end/70535
10551 * gimplify.c (gimplify_adjust_omp_clauses): Add or adjust data
10552 clauses for acc parallel reductions as necessary. Error on those
10554 * omp-low.c (scan_sharing_clauses): Don't install variables which
10555 are used in acc parallel reductions.
10556 (lower_rec_input_clauses): Remove dead code.
10557 (lower_oacc_reductions): Add support for reference reductions.
10558 (lower_reduction_clauses): Remove dead code.
10559 (lower_omp_target): Don't remap variables appearing in acc parallel
10561 * tree.h (OMP_CLAUSE_MAP_IN_REDUCTION): New macro.
10563 2016-04-08 Jakub Jelinek <jakub@redhat.com>
10565 PR middle-end/70593
10566 * tree-ssa-coalesce.c (build_ssa_conflict_graph): For stmt
10567 with multiple SSA_NAME defs, force the outputs other than first
10568 to be live before calling live_track_process_def on each output.
10570 PR rtl-optimization/70574
10571 * fwprop.c (forward_propagate_and_simplify): Don't add
10572 REG_EQUAL note if DF_REF_REG (use) is a paradoxical subreg.
10573 (try_fwprop_subst): Don't add REG_EQUAL note if there are any
10574 paradoxical subregs within *loc.
10576 2016-04-08 Thomas Schwinge <thomas@codesourcery.com>
10578 * config/arc/arc.h (LINK_COMMAND_SPEC): Use gt to ignore
10579 -ftree-parallelize-loops={0,1}.
10580 * config/darwin.h (LINK_COMMAND_SPEC_A): Likewise.
10581 * config/i386/mingw32.h (GOMP_SELF_SPECS): Likewise.
10582 * config/ia64/hpux.h (LIB_SPEC): Likewise.
10583 * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
10584 * config/pa/pa64-hpux.h (LIB_SPEC): Likewise.
10586 2016-04-08 Maxim Ostapenko <m.ostapenko@samsung.com>
10589 * asan.c (instrument_derefs): If we get unknown location, extract it
10590 with EXPR_LOCATION.
10591 (maybe_instrument_call): Instrument gimple_call's arguments if needed.
10593 2016-04-08 Tom de Vries <tom@codesourcery.com>
10595 * omp-low.c (lower_omp_target): Set TREE_NO_WARNING for oacc
10596 implicit firstprivate clause.
10598 2016-04-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
10601 * config/arm/thumb2.md (tst + branch-> lsls + branch
10602 peephole below *orsi_not_shiftsi_si): Require that condition
10603 register is dead after the peephole.
10604 (second peephole after the above): Likewise.
10606 2016-04-08 Alan Modra <amodra@gmail.com>
10609 * builtins.c (fold_builtin_classify): For IBM extended precision,
10610 look at just the high-order double to test for NaN.
10611 (fold_builtin_interclass_mathfn): Similarly for Inf. For isnormal
10612 test just the high double for Inf but both doubles for subnormal
10615 2016-04-07 Jakub Jelinek <jakub@redhat.com>
10617 * cgraph.h (struct cgraph_simd_clone): Add mask_mode field.
10618 * omp-low.c (simd_clone_init_simd_arrays, simd_clone_adjust): Handle
10619 node->simdclone->mask_mode != VOIDmode masks.
10620 (simd_clone_adjust_argument_types): Likewise. Move sc var definition
10621 earlier, use it instead of node->simdclone.
10622 * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
10623 Set clonei->mask_mode.
10625 2016-04-06 Patrick Palka <ppalka@gcc.gnu.org>
10628 * parser.c (cp_parser_iteration_statement): New parameter IF_P.
10629 Pass it through to cp_parser_already_scoped_statement.
10630 (cp_parser_already_scoped_statement): New parameter IF_P. Pass
10631 it through to cp_parser_statement.
10632 (cp_parser_statement): Pass IF_P through to
10633 cp_parser_iteration_statement.
10634 (cp_parser_pragma): Adjust call to
10635 cp_parser_iteration_statement.
10637 2016-04-06 Patrick Palka <ppalka@gcc.gnu.org>
10640 * gimplify.c (gimplify_omp_ordered): Add explicit braces to
10641 resolve a future -Wparentheses warning.
10642 * omp-low.c (scan_sharing_clauses): Likewise.
10643 * tree-parloops.c (eliminate_local_variables): Likewise.
10645 2016-04-06 Vladimir Makarov <vmakarov@redhat.com>
10647 PR rtl-optimization/70398
10648 * lra-constraints.c (process_address_1): Check zero scale and code
10649 for reloading with zero scale.
10651 2016-04-06 Uros Bizjak <ubizjak@gmail.com>
10653 * config/i386/sse.md (shuffletype): Add V32HI and V4TI modes.
10654 (ssescalarsize): Add V8SF, V4SF, V4DF and V2DF modes.
10656 2016-04-06 Jakub Jelinek <jakub@redhat.com>
10658 * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
10659 Add support for AVX512F clones, include them by default for
10660 exported OpenMP declare simd functions. For AVX2 allow simdlen 32
10661 and use it if charasteric type is 8-bit, for AVX512F allow simdlen
10664 PR middle-end/70550
10665 * tree.h (OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT): Define.
10666 * gimplify.c (gimplify_adjust_omp_clauses_1): Set it for implicit
10667 firstprivate clauses.
10668 * omp-low.c (lower_send_clauses): Set TREE_NO_WARNING for
10669 OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT !by_ref vars in task contexts.
10670 (lower_omp_target): Set TREE_NO_WARNING for
10671 non-addressable possibly uninitialized vars which are copied into
10672 addressable temporaries or copied for GOMP_MAP_FIRSTPRIVATE_INT.
10674 2016-04-05 John David Anglin <danglin@gcc.gnu.org>
10676 * config/pa/predicates.md (integer_store_memory_operand): Accept
10677 REG+D operands with a large offset when reload_in_progress is true.
10678 (floating_point_store_memory_operand): Likewise.
10680 2016-04-05 Jakub Jelinek <jakub@redhat.com>
10683 * match.pd (nested int casts): Limit to GIMPLE.
10685 2016-04-05 Jan Hubicka <hubicka@ucw.cz>
10688 * ipa-devirt.c (maybe_record_node): Fix comment; use
10689 SANITIZE_UNREACHABLE instead of SANITIZE_UNDEFINED.
10691 2016-04-05 Jakub Jelinek <jakub@redhat.com>
10693 PR rtl-optimization/70542
10694 * ree.c (add_removable_extension): For VECTOR_MODE_P punt
10695 if there are any uses other than insn or debug insns.
10697 2016-04-05 Marc Glisse <marc.glisse@inria.fr>
10698 Jakub Jelinek <jakub@redhat.com>
10700 PR tree-optimization/70509
10701 * simplify-rtx.c (simplify_binary_operation_1) <case VEC_SELECT>:
10702 Shift HOST_WIDE_INT_1U instead of 1.
10704 2016-04-05 Zdenek Sojka <zsojka@seznam.cz>
10706 PR tree-optimization/70509
10707 * tree-ssa-forwprop.c (simplify_bitfield_ref): Use bitsize_int instead
10708 of the vector base type for index.
10710 2016-04-05 Uros Bizjak <ubizjak@gmail.com>
10713 * config/i386/sse.md (iptr): Add V64QI, V32HI, V16SI and V8DI modes.
10715 2016-04-05 Richard Biener <rguenther@suse.de>
10717 PR tree-optimization/70526
10718 * tree-sra.c (build_ref_for_offset): Use prev_base to
10719 extract the alias pointer type.
10721 2016-04-05 Richard Biener <rguenther@suse.de>
10723 * dse.c (struct store_info): Remove alias_set member.
10724 (struct read_info_type): Likewise.
10725 (clear_alias_group, clear_alias_mode_table, clear_alias_mode_holder,
10726 spill_deleted, clear_alias_set_lookup): Remove.
10727 (get_group_info): Remove dead base == NULL_RTX case.
10728 (dse_step0): Remove initialization of removed variables.
10729 (delete_dead_store_insn): Reomve alias set dumping.
10730 (free_read_records): Remove alias_set handling.
10731 (canon_address): Remove alias_set_out parameter.
10732 (record_store): Remove spill_alias_set, it's always zero.
10733 (check_mem_read_rtx): Likewise.
10734 (dse_step2): Rename from ...
10735 (dse_step2_nospill): ... this. Adjust.
10736 (scan_stores): Rename from ...
10737 (scan_stores_nospill): ... this.
10738 (scan_reads): Rename from ...
10739 (scan_reads_nospill): ... this.
10740 (scan_stores_spill, scan_reads_spill): Remove.
10741 (dse_step3_scan): Remove for_spills argument which is always false.
10742 (dse_step3): Likewise.
10743 (dse_step5): Rename from ...
10744 (dse_step5_nospill): ... this. Remove alias_set handling.
10745 (rest_of_handle_dse): Adjust.
10747 2016-04-05 Jakub Jelinek <jakub@redhat.com>
10750 * config/i386/sse.md (*andnot<mode>3): Simplify assertions.
10751 Use vpandn<ssemodesuffix> for V16SI/V8DImode, vpandnq for
10752 V32HI/V64QImode, don't use <mask_operand3_1>, fix up formatting.
10753 (*andnot<mode>3_mask): Remove insn with VI12_AVX512VL iterator.
10755 2016-04-05 Richard Biener <rguenther@suse.de>
10757 PR middle-end/70499
10758 * gimplify-me.c (gimple_regimplify_operands): Do not rewrite
10759 non-register type temporaries into SSA.
10761 2016-04-04 Jan Hubicka <hubicka@ucw.cz>
10764 * ipa-devirt.c (maybe_record_node): Do not optimize cxa_pure_virtual
10765 calls when sanitizing.
10766 (possible_polymorphic_call_target_p): Fix formatting.
10768 2016-04-04 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
10769 Jakub Jelinek <jakub@redhat.com>
10771 PR middle-end/70457
10772 * tree-inline.c (estimate_num_insn): Use gimple_call_builtin_p
10773 to ensure a call statement is compatible with a built-in's
10775 * tree-ssa-math-opts.c (pass_optimize_windening_mul::execute):
10778 2016-04-04 Richard Biener <rguenther@suse.de>
10780 PR rtl-optimization/70484
10781 * rtl.h (canon_output_dependence): Declare.
10782 * alias.c (canon_output_dependence): New function.
10783 * dse.c (record_store): Use canon_output_dependence rather
10784 than canon_true_dependence.
10786 2016-03-30 Jan Hubicka <hubicka@ucw.cz>
10789 * cgraph.h (symtab_node::copy_visibility_from): New function.
10790 * symtab.c (symtab_node::copy_visibility_from): New function.
10791 * ipa-visibility.c (optimize_weakref): New function.
10792 (function_and_variable_visibility): Use it.
10794 2016-04-04 Martin Liska <mliska@suse.cz>
10797 * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Guard index
10798 value that is really in range handled by SBR instruction.
10799 * hsa-brig.c (emit_switch_insn): Do not emit unconditional jump.
10800 * hsa-dump.c (dump_hsa_insn_1): Do not dump default BB.
10801 * hsa.h (hsa_insn_sbr::m_default_bb): Remove field.
10803 2016-04-03 Oleg Endo <olegendo@gcc.gnu.org>
10807 * config/sh/sh.md (*addsi3): Allow pattern when reload_in_progress is
10808 set, but not for SP_REG operands.
10810 2016-04-02 Martin Sebor <msebor@redhat.com>
10813 * fold-const.c (maybe_nonzero_address): New function.
10814 (fold_comparison): Call it. Fold equality and relational
10815 expressions involving null pointers.
10816 (tree_single_nonzero_warnv_p): Call maybe_nonzero_address.
10818 2016-03-31 Evandro Menezes <e.menezes@samsung.com>
10820 Fix the predicate "aarch64_simd_reg_or_zero" to correctly validate
10821 the "Y" constraint (scalar FP 0.0 immediate).
10823 * config/aarch64/predicates.md (aarch64_simd_reg_or_zero):
10824 Add the "const_double" to the list of operand constraints.
10826 2016-04-01 Jakub Jelinek <jakub@redhat.com>
10828 PR rtl-optimization/70467
10829 * config/i386/i386.md (*add<dwi>3_doubleword, *sub<dwi>3_doubleword):
10830 If low word of the last operand is 0, just emit addition/subtraction
10833 2016-04-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
10836 * config/s390/s390.c (s390_expand_insv): Check for everything
10837 constant instead of just VOIDmode stuff.
10839 2016-04-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
10842 * config/arm/arm.h (ASM_APP_OFF): Handle TARGET_ARM and TARGET_THUMB.
10844 2016-04-01 Nathan Sidwell <nathan@acm.org>
10846 * tree.def (TRY_CATCH_EXPR): Correct documentation.
10848 2016-03-31 Vladimir Makarov <vmakarov@redhat.com>
10850 PR rtl-optimization/70461
10851 * ira-color.c (allocno_copy_cost_saving): Use allocno class if it
10854 2016-03-31 Martin Liska <mliska@suse.cz>
10857 * hsa-brig.c (hsa_op_immed::emit_to_buffer): Emit either
10858 a tree value or an immediate integer value to a buffer
10859 that is eventually copied to a BRIG section.
10860 (emit_immediate_operand): Call the function here.
10861 * hsa-dump.c (dump_hsa_immed): Remove checking assert.
10862 * hsa-gen.c (hsa_op_immed::hsa_op_immed): Remove initialization
10863 of class' fields that are removed.
10864 (hsa_op_immed::~hsa_op_immed): Remove deinitialization.
10865 * hsa.h (class hsa_op_immed): Remove m_brig_repr and
10866 m_brig_repr_size fields.
10868 2016-03-31 Martin Liska <mliska@suse.cz>
10871 * hsa-gen.c (hsa_function_representation::update_dominance): New
10873 (convert_addr_to_flat_segment): Likewise.
10874 (gen_hsa_memory_set): New alignment argument.
10875 (gen_hsa_ctor_assignment): Likewise.
10876 (gen_hsa_insns_for_single_assignment): Provide alignment
10877 to gen_hsa_ctor_assignment.
10878 (gen_hsa_insns_for_direct_call): Add new argument.
10879 (expand_lhs_of_string_op): New function.
10880 (expand_string_operation_builtin): Likewise.
10881 (expand_memory_copy): New function.
10882 (expand_memory_set): New function.
10883 (gen_hsa_insns_for_call): Use HOST_WIDE_INT.
10884 (convert_switch_statements): Change signature.
10885 (generate_hsa): Use a return value of the function.
10886 (pass_gen_hsail::execute): Do not call
10887 convert_switch_statements here.
10888 * hsa-regalloc.c (hsa_regalloc): Call update_dominance.
10889 * hsa.h (hsa_function_representation::m_modified_cfg): New flag.
10890 (hsa_function_representation::update_dominance): New function.
10892 2016-03-31 Martin Liska <mliska@suse.cz>
10895 * hsa-brig.c (emit_directive_variable): Emit alignment
10896 according to hsa_symbol::m_align.
10897 * hsa-dump.c (hsa_byte_alignment): Move the function to another file.
10898 (dump_hsa_symbol): Dump alignment of HSA symbols.
10899 * hsa-gen.c (get_symbol_for_decl): Set-up alignment of a symbol.
10900 (gen_hsa_addr_with_align): New function.
10901 (hsa_bitmemref_alignment): Use newly added function.
10902 (gen_hsa_insns_for_load): Likewise.
10903 (gen_hsa_insns_for_store): Likewise.
10904 (gen_hsa_memory_copy): New argument added.
10905 (gen_hsa_insns_for_single_assignment): Respect
10906 alignment for assignments processed via gen_hsa_memory_copy.
10907 (gen_hsa_insns_for_direct_call): Likewise.
10908 (gen_hsa_insns_for_return): Likewise.
10909 (gen_function_def_parameters): Set default alignment.
10910 * hsa.c (hsa_object_alignment): New function.
10911 (hsa_byte_alignment): Pasted function.
10912 * hsa.h (hsa_symbol::m_align): New field.
10914 2016-03-31 Bin Cheng <bin.cheng@arm.com>
10916 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Initialize
10917 scratch field for goto case.
10919 2016-03-31 James Greenhalgh <james.greenhalgh@arm.com>
10921 * config/arm/linux-elf.h (ASM_OUTPUT_DEF): Delete.
10923 2016-03-31 Ilya Enkovich <enkovich.gnu@gmail.com>
10926 * config/i386/i386.c (scalar_chain::convert_op): Fix description.
10927 (scalar_chain::convert_insn): Call convert_op for reg
10928 moves to handle undefined registers.
10930 2016-03-31 Nathan Sidwell <nathan@acm.org>
10933 * varasm.c (output_constructor_regular_field): Flush bitfield earlier.
10934 Assert we don't want to move backwards.
10936 2016-03-31 Kirill Yukhin <kirill.yukhin@intel.com>
10939 * config/i386/sse.md (define_mode_attr shuffletype): Fix typo.
10941 2016-03-31 Jakub Jelinek <jakub@redhat.com>
10943 PR rtl-optimization/70460
10944 * ira.c (indirect_jump_optimize): Don't substitute LABEL_REF
10945 with operand from REG_LABEL_OPERAND, instead substitute
10946 SET_SRC or REG_EQUAL note content if it is a LABEL_REF.
10947 Don't do anything for REG_NON_LOCAL_GOTO jumps.
10949 2016-03-31 Martin Liska <mliska@suse.cz>
10951 * passes.c (execute_one_pass): Do not call
10952 todo_after for a discarded function.
10954 2016-03-31 Bin Cheng <bin.cheng@arm.com>
10956 * tree-ssa-loop-ivopts.c (struct comp_cost): New scrach field.
10957 (no_cost, infinite_cost): Initialize the new field.
10958 (get_computation_cost_at): Record setup cost.
10959 (determine_use_iv_cost_address): Skip cost computation for sub
10960 uses if we can estimate it without losing accuracy.
10962 2016-03-30 Jan Hubicka <hubicka@ucw.cz>
10964 * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
10966 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
10967 max_loop_iterations_int.
10968 (tree_unswitch_outer_loop): Likewise.
10969 * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
10970 * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
10972 2016-03-30 Richard Biener <rguenther@suse.de>
10974 PR middle-end/70450
10975 * fold-const.c (extract_muldiv_1): Fix thinko in wide_int::from usage.
10977 2016-03-30 Jakub Jelinek <jakub@redhat.com>
10980 * config/i386/i386.c (ix86_expand_vector_set): Fix up argument order
10981 in gen_blendm expander.
10983 2016-03-30 Nick Clifton <nickc@redhat.com>
10986 * config/arm/arm.c (arm_reload_out_hi): Add code to handle the
10987 case where we are already provided with an SImode SUBREG.
10989 2016-03-30 H.J. Lu <hongjiu.lu@intel.com>
10992 * config/i386/i386.c (ix86_expand_epilogue): Properly check
10993 conflict between DRAP register and __builtin_eh_return.
10995 2016-03-30 Michael Matz <matz@suse.de>
10996 Richard Biener <rguenther@suse.de>
10999 * ipa-polymorphic-call.c (struct type_change_info): Change
11000 speculative to an unsigned allowing to limit the work we do.
11001 (csftc_abort_walking_p): New inline function..
11002 (check_stmt_for_type_change): Limit the number of may-defs
11003 skipped for speculative devirtualization to
11004 max-speculative-devirt-maydefs.
11005 * params.def (max-speculative-devirt-maydefs): New param.
11006 * doc/invoke.texi (--param max-speculative-devirt-maydefs): Document.
11008 2016-03-30 Mike Stump <mrs@gcc.gnu.org>
11011 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Use when profiling
11014 2016-03-30 Patrick Palka <ppalka@gcc.gnu.org>
11016 PR tree-optimization/59124
11017 * tree-vrp.c (register_edge_assert_for_2): For NAME != CST1
11018 where NAME = A +- CST2 add the assertion A != (CST1 -+ CST2).
11020 2016-03-29 Jeff Law <law@redhat.com>
11022 * tree-ssa-coalesce.c (struct ssa_conflicts): Fix typo in comment.
11024 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
11026 * tree-ssa-loop-ivcanon.c (try_peel_loop): Change type of peel
11029 2016-03-29 Thomas Schwinge <thomas@codesourcery.com>
11031 * config/gnu.h (CPP_SPEC, LIB_SPEC): Don't override.
11032 * config/i386/gnu.h (STARTFILE_SPEC): Use gcrt1.o instead of
11033 gcrt0.o if linking dynamically.
11035 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
11038 * ipa-devirt.c (methods_equal_p): New function.
11039 (compare_virtual_tables): Use it.
11040 * cgraph.h (symbol_table::symbol_suffix_separator): Declare.
11041 * cgraphclones.c (clone_function_name_1): Use
11042 symbol_table::symbol_suffix_separator.
11043 * coverage.c (build_var): Likewise.
11044 * symtab.c (symbol_table::symbol_suffix_separator): New.
11046 2016-03-29 Jakub Jelinek <jakub@redhat.com>
11048 PR rtl-optimization/70429
11049 * combine.c (simplify_shift_const_1): For ASHIFTRT don't optimize
11050 (cst1 >> count) >> cst2 into (cst1 >> cst2) >> count if
11051 mode != result_mode.
11054 * tree-inline.c (remap_decls): Don't add_local_decl if cfun is null.
11056 PR tree-optimization/70405
11057 * ssa-iterators.h (num_imm_uses): Add missing braces.
11059 2016-03-29 Vladimir Makarov <vmakarov@redhat.com>
11061 PR rtl-optimization/68695
11062 * ira-color.c (allocno_copy_cost_saving): New.
11063 (improve_allocation): Use it.
11065 2016-03-29 Richard Henderson <rth@redhat.com>
11067 PR middle-end/70355
11068 * lower-subreg.c (simplify_subreg_concatn): Reject paradoxical subregs.
11070 2016-03-29 Richard Biener <rguenther@suse.de>
11072 PR middle-end/70424
11073 * ipa-prop.c (ipa_compute_jump_functions_for_edge): Always
11074 use alignment returned by get_pointer_alignment_1 if it is
11075 bigger than BITS_PER_UNIT.
11076 * builtins.c (get_pointer_alignment_1): Do not return true
11077 for alignment extracted from SSA info.
11079 2016-03-28 James Bowman <james.bowman@ftdichip.com>
11081 * config/ft32/ft32.opt (mnodiv): New.
11082 * config/ft32/ft32.md (*divsi3, *modsi3): Qualify with TARGET_NODIV.
11083 * doc/invoke.texi (FT32 Options -mnodiv): New.
11085 2016-03-28 Kirill Yukhin <kirill.yukhin@intel.com>
11088 * config/i386/i386.md (define_split, andn): Fix modes.
11090 2016-03-26 Richard Biener <rguenther@suse.de>
11091 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
11094 * ipa-inline-transform.c (inline_call): Pass opts_for_fn (to->decl)
11096 TREE_OPTIMIZATION (DECL_FUNCTION_SPECIFIC_OPTIMIZATION (to->decl))
11097 as 2nd argument to cl_optimization_restore().
11099 2016-03-25 Richard Henderson <rth@redhat.com>
11102 * config/aarch64/aarch64.c (aarch64_asm_output_pool_epilogue): New.
11103 * config/aarch64/aarch64-protos.h: Declare it.
11104 * config/aarch64/aarch64.h (ASM_OUTPUT_POOL_EPILOGUE): New.
11106 2016-03-25 Alan Modra <amodra@gmail.com>
11109 * config/rs6000/constraints.md (j): Simplify.
11110 * config/rs6000/predicates.md (easy_fp_constant): Exclude
11112 * config/rs6000/rs6000.md (zero_fp): New mode_attr.
11113 (mov<mode>_hardfloat, mov<mode>_hardfloat32, mov<mode>_hardfloat64,
11114 mov<mode>_64bit_dm, mov<mode>_32bit): Use zero_fp in place of j
11115 in all constraint alternatives.
11116 (movtd_64bit_nodm): Delete "j" constraint alternative.
11118 2016-03-24 Aldy Hernandez <aldyh@redhat.com>
11120 * tree-ssa-propagate.c: Enhance docs for
11121 SSA_PROP_NOT_INTERESTING.
11123 2016-03-24 Aldy Hernandez <aldyh@redhat.com>
11125 * doc/extend.texi: Fix typo in documentation to pure attribute.
11127 2016-03-24 John David Anglin <danglin@gcc.gnu.org>
11130 * config/pa/pa.md (bswapdi2): Use a scratch register.
11132 2016-03-24 Richard Henderson <rth@redhat.com>
11134 PR middle-end/69845
11135 * fold-const.c (extract_muldiv_1): Correct test for multiplication
11138 2016-03-24 Uros Bizjak <ubizjak@gmail.com>
11140 * config/i386/i386.md (*anddi3_doubleword): Generate AND insn
11141 using ix86_expand_binary_operator instead of gen_andsi3.
11143 2016-03-24 Richard Biener <rguenther@suse.de>
11145 PR tree-optimization/70396
11146 * tree-vect-stmts.c (vectorizable_comparison): Use
11147 get_vectype_for_scalar_type.
11149 2016-03-24 Richard Biener <rguenther@suse.de>
11151 PR middle-end/70370
11152 * gimplify.c (gimplify_asm_expr): Handle !allows_mem outputs
11153 with register bases.
11155 2016-03-24 Richard Biener <rguenther@suse.de>
11157 PR tree-optimization/70372
11158 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Use
11159 build_all_ones_cst to also handle vector types correctly.
11161 2016-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
11164 * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Do not set
11167 2016-03-23 Marek Polacek <polacek@redhat.com>
11170 * doc/invoke.texi: Document -Wignored-attributes.
11172 2016-03-23 Bin Cheng <bin.cheng@arm.com>
11174 PR tree-optimization/69042
11175 * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND): Increase the
11176 parameter from 30 to 40.
11178 2016-03-23 Bin Cheng <bin.cheng@arm.com>
11180 PR tree-optimization/69042
11181 * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Add IV cand
11182 for use with constant offset stripped in base.
11184 2016-03-23 Richard Biener <rguenther@suse.de>
11186 PR middle-end/70251
11187 * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Adjust
11188 mode compatibility check.
11189 (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
11191 2016-03-23 Jeff Law <law@redhat.com>
11193 PR tree-optimization/64058
11194 * tree-ssa-coalesce.c (struct coalesce_pair): Add new field
11196 (struct ssa_conflicts): Move up earlier in the file.
11197 (conflicts_, var_map_): New static variables.
11198 (initialize_conflict_count): New function to initialize the
11199 CONFLICT_COUNT field for each conflict pair.
11200 (compare_pairs): Lazily initialize the conflict count and use it
11201 as the first tie-breaker.
11202 (sort_coalesce_list): Add new arguments conflicts, map. Initialize
11203 and wipe conflicts_ and map_ around the call to qsort. Remove
11204 special case for 2 coalesce pairs.
11205 * bitmap.c (bitmap_count_unique_bits): New function.
11206 (bitmap_count_bits_in_word): New function, extracted from
11208 (bitmap_count_bits): Use bitmap_count_bits_in_word.
11209 * bitmap.h (bitmap_count_unique_bits): Declare it.
11211 2016-03-23 Ilya Enkovich <enkovich.gnu@gmail.com>
11214 * config/i386/sol2.h (ASM_OUTPUT_DEF_FROM_DECLS): Follow
11215 transparent alias chain for decl assembler name.
11216 * config/sol2.c (solaris_assemble_visibility): Likewise.
11218 2016-03-23 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
11220 * config/arm/arm1020e.md (1020call_op): Reduce reservation
11222 (v10_fdivs): Likewise.
11223 (v10_fdivd): Likewise.
11225 2016-03-23 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
11228 * config/arm/driver-arm.c (host_detect_local_cpu): Reorder exit logic
11229 to not call fclose twice on file.
11231 2016-03-23 Jakub Jelinek <jakub@redhat.com>
11233 PR tree-optimization/70354
11234 * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
11235 oprnd0 is wider than oprnd1 and there is a cast from the wider
11236 type to oprnd1, mask it with the mask of the narrower type.
11239 * config/i386/i386.md (*anddi3_doubleword, *<code>di3_doubleword):
11240 Optimize TARGET_STV splitters, if high or low word of last argument
11243 2016-03-22 Jeff Law <law@redhat.com>
11246 tree-ssa-threadbackward.c
11247 (fsm_find_control_statement_thread_paths): Correctly distinguish
11248 between old style jump threads vs FSM jump threads.
11250 2016-03-22 Ilya Enkovich <enkovich.gnu@gmail.com>
11253 * config/i386/i386.c (scalar_chain::convert_op): Support
11254 uninitialized register usage case.
11256 2016-03-22 Richard Biener <rguenther@suse.de>
11258 PR middle-end/70251
11259 * genmatch.c (gen_transform): Adjust last parameter to a three-state
11261 (capture::gen_transform): ... to change behavior when substituting
11262 a condition into cond or not-cond expr context.
11263 (dt_simplify::gen_1): Adjust.
11264 * gimple-match-head.c: Include gimplify.h for unshare_expr.
11265 * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Revert
11266 last change and instead change to
11267 A + (B vcmp C ? 1 : 0) -> A - (B vcmp C ? -1 : 0).
11268 (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
11270 2016-03-22 Anthony Green <green@moxielogic.com>
11272 * config/moxie/moxiebox.h (CC1_SPEC): Define. Fix endianness
11273 issue for moxiebox targets.
11274 (CC1PLUS_SPEC): Ditto.
11276 2016-03-22 Richard Biener <rguenther@suse.de>
11278 PR middle-end/70333
11279 * fold-const.c (extract_muldiv_1): Properly perform multiplication
11282 2016-03-22 Kirill Yukhin <kirill.yukhin@intel.com>
11284 * config/i386/i386.c (def_builtin): Remove duplicated functionality.
11286 2016-03-22 Kirill Yukhin <kirill.yukhin@intel.com>
11289 * config/i386/i386.c (def_builtin): Handle
11290 OPTION_MASK_ISA_AVX512VL to be and-ed with other
11292 (const struct builtin_description bdesc_special_args[]):
11293 Remove duplicate ISA bits.
11295 2016-03-22 Jakub Jelinek <jakub@redhat.com>
11298 * config/i386/i386.c (ix86_expand_vecop_qihi): Don't bother computing
11299 d.perm[i] for i >= d.nelt. If not full_interleave, compute d.perm[i]
11300 in a way that works also for AVX512BW.
11303 * config/i386/i386.md (cvtsd2ss splitter): Unpack in destination
11304 instead of source if operands[1] is xmm16 and above and
11305 !TARGET_AVX512VL. Use avx512f_vec_dupv16sf_1 instead of
11306 vec_interleave_lowv4sf if we need to unpack xmm16 and above.
11309 * gimplify.c (gimplify_modify_expr): Call gimple_set_no_warning
11310 on assign if (*from_p) is a comparison, set it to
11311 TREE_NO_WARNING (*from_p).
11313 2016-03-21 Jakub Jelinek <jakub@redhat.com>
11315 PR middle-end/70326
11316 * lra.c (restore_scratches): Ignore deleted insns.
11318 2016-03-21 Marc Glisse <marc.glisse@inria.fr>
11319 Jakub Jelinek <jakub@redhat.com>
11321 PR tree-optimization/70317
11322 * match.pd (cmp @0 @0): Pass @0 instead of TYPE_MODE (TREE_TYPE (@0))
11325 2016-03-21 Uros Bizjak <ubizjak@gmail.com>
11328 * config/i386/i386.md (movxi): Use ix86_expand_vector_move instead
11329 of ix86_expand_move.
11331 (movti): Use general_operand for operand 1 predicate.
11333 2016-03-21 Martin Liska <mliska@suse.cz>
11335 * hsa-dump.c (dump_hsa_insn_1): dump default branch of SBR
11337 (dump_hsa_symbol): Dump BRIG offset of hsa_symbols.
11339 2016-03-21 Martin Liska <mliska@suse.cz>
11342 * ipa-icf.c (sem_function::parse): Skip static
11343 constructors and destructors.
11345 2016-03-21 Jakub Jelinek <jakub@redhat.com>
11348 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If IDENT is
11349 function-like macro, peek following token(s) if it is followed
11350 by CPP_OPEN_PAREN token with optional padding in between, and
11351 if not, don't treat it like a macro.
11353 2016-03-21 Thomas Schwinge <thomas@codesourcery.com>
11354 Alexander Monakov <amonakov@ispras.ru>
11356 * config/nvptx/nvptx.c (nvptx_option_override): Don't emit sorry
11357 for the stabs debug format.
11359 2016-03-21 Richard Biener <rguenther@suse.de>
11361 PR tree-optimization/70310
11362 * tree-vect-generic.c (expand_vector_condition): Fold the built
11365 2016-03-21 Kirill Yukhin <kirill.yukhin@intel.com>
11368 * config/i386/sse.md: (define_insn "*vec_dup<mode>"/AVX2):
11369 Block third alternative for AVX-512VL target,
11371 2016-03-21 Martin Liska <mliska@suse.cz>
11374 * hsa-brig.c (emit_function_directives): Mark unemitted
11375 global variables for emission.
11376 * hsa-gen.c (hsa_symbol::hsa_symbol): Initialize a new flag.
11377 (get_symbol_for_decl): Likewise.
11378 * hsa.h (struct hsa_symbol): New flag.
11380 2016-03-21 Richard Biener <rguenther@suse.de>
11382 PR tree-optimization/70288
11383 * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Make sure
11384 we do not estimate unsimplified all-constant conditionals or
11385 switches as optimized away.
11387 2016-03-21 Andrey Belevantsev <abel@ispras.ru>
11389 PR rtl-optimization/69102
11390 * sched-deps.c (sched_analyze_insn): Do not set last_args_size field
11391 when we have a readonly dependency context.
11393 2016-03-18 Jeff Law <law@redhat.com>
11395 PR rtl-optimization/70263
11396 * ira.c (memref_used_between_p): Assert we found END in the insn chain.
11397 (update_equiv_regs): When trying to move a store to after the insn
11398 that sets the source of the store, make sure the store occurs after
11399 the insn that sets the source of the store. When successful note
11400 the REG_EQUIV note created in the dump file.
11402 2016-03-16 David Wohlferd <dw@LimeGreenSocks.com>
11403 Bernd Schmidt <bschmidt@redhat.com>
11405 * doc/extend.texi: Document more potential problems with basic asms.
11407 2016-03-18 Bernd Schmidt <bschmidt@redhat.com>
11409 PR rtl-optimization/70278
11410 * lra-constraints.c (split_reg): Handle the case where biggest_mode is
11413 2016-03-18 Jason Merrill <jason@redhat.com>
11415 * calls.c (load_register_parameters): Fix zero size sibcall logic.
11417 2016-03-18 Kirill Yukhin <kirill.yukhin@intel.com>
11419 * config/i386/sse.md: Use vpbroadcastq for broadcasting DF
11420 values to 128b regs.
11422 2016-03-18 Ilya Enkovich <enkovich.gnu@gmail.com>
11424 PR tree-optimization/70252
11425 * tree-vect-stmts.c (supportable_widening_operation): Check resulting
11426 boolean vector has a proper number of elements.
11427 (supportable_narrowing_operation): Likewise.
11429 2016-03-18 Tom de Vries <tom@codesourcery.com>
11432 * cgraph.c (cgraph_node::get_body): Set dump_file to NULL after save.
11434 2016-03-18 Jakub Jelinek <jakub@redhat.com>
11436 * reload1.c (emit_input_reload_insns): Use simplify_replace_rtx
11437 instead of replace_rtx for DEBUG_INSNs.
11439 2016-03-18 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
11441 * config/i386/znver1.md : Fix latencies of FP/SSE/AVX
11442 load type reservations.
11444 2016-03-17 John David Anglin <danglin@gcc.gnu.org>
11447 * config/pa/constraints.md: Revert 2015-02-13 change. Use
11448 define_constraint for "Q" and "T" constraints.
11450 2016-03-17 Evandro Menezes <e.menezes@samsung.com>
11452 Tweak the pipeline model for Exynos M1
11454 * config/aarch64/aarch64.c (exynosm1_tunings): Enable weak prefetching
11457 2016-03-17 David Malcolm <dmalcolm@redhat.com>
11460 * diagnostic-show-locus.c (compatible_locations_p): Handle the case
11461 where one or both locations aren't within a line_map.
11463 2016-03-17 H.J. Lu <hongjiu.lu@intel.com>
11466 * opts.c (finish_options): Don't set flag_pie to the default if
11467 -fpic, -fPIC, -fno-pic or -fno-PIC is used. Set flag_pic to 0
11470 2016-03-17 Joern Rennecke <joern.rennecke@embecosm.com>
11472 * config/i386/i386.md (*movv4qicc_insn+1..36): Pass
11473 true as ALL_REGS argument to replace_rtx.
11475 2016-03-17 Richard Biener <rguenther@suse.de>
11478 * dwarf2out.c (dwarf2out_early_finish): Process deferred_asm_name
11481 2016-03-17 Jakub Jelinek <jakub@redhat.com>
11484 * rtl.h (replace_rtx): Add ALL_REGS argument.
11485 * rtlanal.c (replace_rtx): Likewise. If true, use REGNO
11486 equality and assert mode is the same, instead of just rtx pointer
11488 * config/i386/i386.md (mov + arithmetics with load peephole): Pass
11489 true as ALL_REGS argument to replace_rtx.
11491 2016-03-17 Ilya Enkovich <enkovich.gnu@gmail.com>
11493 * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Apply
11494 for boolean vector with vector mode only.
11495 (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
11497 2016-03-17 Nick Clifton <nickc@redhat.com>
11500 * config/rx/rx.c (rx_print_integer): Print negative constants in
11503 2016-03-17 Jakub Jelinek <jakub@redhat.com>
11506 * rtlanal.c (replace_rtx): Revert 2016-03-16 change.
11508 2016-03-16 Richard Henderson <rth@redhat.com>
11509 Richard Biener <rguenth@suse.de>
11511 PR middle-end/70240
11512 PR middle-end/68215
11514 * gimplify.c (gimplify_expr) [VEC_COND_EXPR]: Gimplify the
11515 first operand as is_gimple_condexpr.
11517 PR middle-end/70240
11518 PR middle-end/68215
11520 2015-12-11 Eric Botcazou <ebotcazou@adacore.com>
11521 * tree-vect-generic.c (tree_vec_extract): Remove GSI parameter.
11522 Do not gimplify the result.
11523 (do_unop): Adjust call to tree_vec_extract.
11524 (do_binop): Likewise.
11525 (do_compare): Likewise.
11526 (do_plus_minus): Likewise.
11527 (do_negate): Likewise.
11528 (expand_vector_condition): Likewise.
11529 (do_cond): Likewise.
11531 2016-03-16 Richard Henderson <rth@redhat.com>
11534 * config/aarch64/aarch64.c (virt_or_elim_regno_p): New.
11535 (aarch64_classify_address): Use it.
11536 (aarch64_legitimize_address): Force all subexpressions of PLUS
11537 into registers. Simplify as (sfp+const)+reg or (reg+reg)+const.
11539 2016-03-16 Jakub Jelinek <jakub@redhat.com>
11540 Richard Biener <rguenth@suse.de>
11543 * rtlanal.c (replace_rtx): For REG, if from is a REG,
11544 return to even if only REGNO is equal, and assert
11547 2016-03-11 Jeff Law <law@redhat.com>
11549 PR rtl-optimization/70224
11550 * reorg.c (relax_delay_slots): Pass right argument to CROSSING_JUMP_P.
11552 2016-03-16 Richard Henderson <rth@redhat.com>
11554 PR middle-end/70199
11555 * function.h (struct function): Add has_forced_label_in_static.
11556 * gimplify.c (force_labels_r): Set it.
11557 * lto-streamer-in.c (input_struct_function_base): Read it.
11558 * lto-streamer-out.c (output_struct_function_base): Write it.
11559 * tree-inline.c (has_label_address_in_static_1): Remove.
11560 (copy_forbidden): Remove fndecl parameter; test
11561 has_forced_label_in_static.
11562 (inline_forbidden_p): Update call to copy_forbidden.
11563 (tree_versionable_function_p): Likewise.
11564 * ipa-chkp.c (chkp_instrumentable_p): Likewise.
11565 (chkp_versioning): Likewise.
11566 * tree-inline.h (copy_forbidden): Update decl.
11568 2016-03-16 Marek Polacek <polacek@redhat.com>
11571 * cgraphunit.c (cgraph_node::expand_thunk): Also build call to the
11572 function being thunked if the result type doesn't have fixed size.
11573 * gimplify.c (gimplify_modify_expr): Also set LHS if the result type
11574 doesn't have fixed size.
11576 2016-03-16 Bin Cheng <bin.cheng@arm.com>
11578 * tree-vect-loop.c (vect_analyze_loop_2): Fix wrong dump info by
11579 reporting malformed loop nest.
11581 2016-03-16 Tom de Vries <tom@codesourcery.com>
11584 * ipa-devirt.c (possible_polymorphic_call_targets): Move
11585 nodes.length () == 1 test to before first nodes[0] access.
11587 2016-03-16 Tom de Vries <tom@codesourcery.com>
11589 PR tree-optimization/68715
11590 * graphite-scop-detection.c (scop_detection::merge_sese): Add missing
11591 single_pred_p test.
11593 2016-03-16 Tom de Vries <tom@codesourcery.com>
11595 PR tree-optimization/68809
11596 * graphite-scop-detection.c (same_close_phi_node): Test if result types
11599 2016-03-16 Carlos O'Donell <carlos@redhat.com>
11600 Sandra Loosemore <sandra@codesourcery.com>
11602 * doc/extend.texi (Common Function Attributes): Describe ifunc impact
11603 on leaf attribute. Mention ELF interposition problems.
11605 2016-03-16 Alan Modra <amodra@gmail.com>
11607 PR rtl-optimization/69195
11608 PR rtl-optimization/47992
11609 * ira.c (indirect_jump_optimize): Ignore artificial defs.
11612 2016-03-15 Eric Botcazou <ebotcazou@adacore.com>
11615 * dwarf2out.c (flush_limbo_die_list): Really flush the limbo list.
11617 2016-03-15 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
11619 * config/avr/avr.md (rotl<mode>3): Set mode for operand 2.
11621 2016-03-15 Jakub Jelinek <jakub@redhat.com>
11623 PR rtl-optimization/70222
11624 * combine.c (simplify_shift_const_1): For A >> B >> C LSHIFTRT
11625 optimization if mode is different from result_mode, queue up masking
11626 of the result in outer_op. Formatting fix.
11628 PR middle-end/70239
11629 * tree-ssa-sccvn.c (VN_INFO_GET): Use safe_grow_cleared instead
11632 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
11634 PR rtl-optimization/69032
11635 * sel-sched-ir.c (get_seqno_by_preds): Include both insn and head when
11636 looping backwards over basic block insns.
11638 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
11641 * sel-sched-ir.c (merge_expr): Avoid changing the speculative pattern
11642 to non-speculative when propagating trap bits.
11644 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
11646 PR rtl-optimization/63384
11647 * sel-sched.c (invoke_aftermath_hooks): Do not decrease issue_more on
11648 DEBUG_INSN_P insns.
11650 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
11653 * sched-deps.c (get_implicit_reg_pending_clobbers): New function,
11654 factored out from ...
11655 (sched_analyze_insn): ... here.
11656 * sched-int.h (get_implicit_reg_pending_clobbers): Declare it.
11657 * sel-sched-ir.c (setup_id_implicit_regs): New function, use
11658 get_implicit_reg_pending_clobbers in it.
11659 (setup_id_reg_sets): Use setup_id_implicit_regs.
11660 (deps_init_id): Ditto.
11662 2016-03-15 Tom de Vries <tom@codesourcery.com>
11665 * cgraph.c (cgraph_node::get_body): Save, reset and restore
11667 * passes.c (execute_one_ipa_transform_pass): Add missing argument to
11668 execute_function_dump.
11669 (execute_one_pass): Don't dump function if it will be dumped after ipa
11672 2016-03-15 Segher Boessenkool <segher@kernel.crashing.org>
11674 * genrecog.c (match_pattern_2): If pred is NULL don't call
11675 safe_predicate_mode on it.
11677 2016-03-14 Jakub Jelinek <jakub@redhat.com>
11679 PR middle-end/70219
11680 * lra-constraints.c (delete_move_and_clobber): Change assertion
11681 to also allow dregno == 0.
11683 2016-03-14 Richard Henderson <rth@redhat.com>
11686 * tree-ssa-reassoc.c (ovce_extract_ops, optimize_vec_cond_expr): New.
11687 (can_reassociate_p): Allow ANY_INTEGRAL_TYPE_P.
11688 (reassociate_bb): Use optimize_vec_cond_expr; avoid
11689 optimize_range_tests, attempt_builtin_copysign and attempt_builtin_powi
11692 2016-03-14 Bernd Schmidt <bschmidt@redhat.com>
11695 * lra-lives.c (process_bb_lives): Also update biggest mode for hard
11697 (lra_create_live_ranges_1): initialize hard register biggest_mode to
11699 * lra-constraints.c (split_reg): For hard regs, try to find the
11700 biggest single-register mode used in the function.
11702 2016-03-14 Richard Biener <rguenther@suse.de>
11704 PR tree-optimization/56365
11705 * tree-ssa-phiopt.c (minmax_replacement): Handle alternate
11706 constants to compare against.
11708 2016-03-14 Segher Boessenkool <segher@kernel.crashing.org>
11711 * config/rs6000/rs6000.md (*ctr<mode>_internal1, *ctr<mode>_internal2,
11712 *ctr<mode>_internal5, *ctr<mode>_internal6): Also allow "d" as output.
11713 (define_split for the GPR case): Use int_reg_operand instead of
11714 gpc_reg_operand for the output.
11716 2016-03-14 Tom de Vries <tom@codesourcery.com>
11718 PR tree-optimization/70045
11719 * graphite-isl-ast-to-gimple.c (graphite_create_new_loop_guard): Unshare
11720 create_empty_if_region_on_edge argument.
11722 2016-03-13 Eric Botcazou <ebotcazou@adacore.com>
11724 * config/arm/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Define.
11725 (STACK_CHECK_PROTECT): Likewise.
11726 * config/i386/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
11727 (STACK_CHECK_PROTECT): Likewise.
11728 * config/rs6000/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
11729 (STACK_CHECK_PROTECT): Likewise.
11730 * config/rs6000/vxworksae.h (STACK_CHECK_PROTECT): Likewise.
11731 * config/sparc/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
11732 (STACK_CHECK_PROTECT): Likewise.
11734 2016-03-12 Andrey Belevantsev <abel@ispras.ru>
11736 PR rtl-optimization/69307
11737 * sel-sched.c (choose_best_pseudo_reg): Properly check for hard
11738 registers in modes that span more than one register.
11740 2016-03-12 Vladimir Makarov <vmakarov@redhat.com>
11743 * lra-constraints.c (delete_move_and_clobber): New.
11744 (remove_inheritance_pseudos): Use it.
11746 2016-03-12 Eric Botcazou <ebotcazou@adacore.com>
11749 * calls.c (emit_library_call_value_1): Clear the ECF_NOTHROW flag if
11750 the libcall is LCT_THROW.
11751 * explow.c (probe_stack_range): Pass LCT_THROW to emit_library_call
11752 for the checking routine.
11754 2016-03-11 Michael Meissner <meissner@linux.vnet.ibm.com>
11757 * config/rs6000/rs6000.md (round32<mode>2_fprs): Do not do the
11758 optimization if we have direct move.
11759 (roundu32<mode>2_fprs): Likewise.
11761 2016-03-11 Bernd Schmidt <bschmidt@redhat.com>
11764 * lra-remat.c (operand_to_remat): Disallow hard regs in the value t
11766 (reg_overlap_for_remat_p): Renamed from input_regno_present_p.
11767 Arguments swapped. All callers changed. Take reg_renumber into
11768 account, and Calculate and compare register ranges for hard regs.
11770 2016-03-11 Jeff Law <law@redhat.com>
11772 PR tree-optimization/70190
11773 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
11774 Handle cases where we can not extract the taken edge, even though we
11775 found a constant value.
11777 PR tree-optimization/64058
11778 * tree-ssa-coalesce.c (struct coalesce_pair): Add new field INDEX.
11779 (num_coalesce_pairs): Move up earlier in file.
11780 (find_coalesce_pair): Initialize the INDEX field for each pair
11782 (compare_pairs): No longer sort on the elements in each pair.
11783 Instead break ties with the index of the coalesce pair.
11785 2016-03-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
11788 * config/aarch64/aarch64-protos.h
11789 (aarch64_save_restore_target_globals): New prototype.
11790 * config/aarch64/aarch64-c.c (aarch64_pragma_target_parse):
11791 Call the above when popping pragma.
11792 * config/aarch64/aarch64.c (aarch64_save_restore_target_globals):
11794 (aarch64_set_current_function): Rewrite using the above.
11796 2016-03-11 Jakub Jelinek <jakub@redhat.com>
11798 PR tree-optimization/70177
11799 * gimple-expr.h (extract_ops_from_tree_1): Renamed to ...
11800 (extract_ops_from_tree): ... this. In the 2 argument
11801 overload remove _1 suffix.
11802 * gimple-expr.c (extract_ops_from_tree_1): Renamed to ...
11803 (extract_ops_from_tree): ... this.
11804 * gimple.c (gimple_build_assign, gimple_assign_set_rhs_from_tree):
11806 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
11807 * tree-ssa-forwprop.c (defcodefor_name): Call 3 operand
11808 extract_ops_from_tree instead of 2 operand one.
11810 2016-03-11 Alan Lawrence <alan.lawrence@arm.com>
11812 PR tree-optimization/70013
11813 * tree-sra.c (analyze_access_subtree): Also set grp_unscalarized_data
11814 for constant-pool entries.
11816 2016-03-11 Jakub Jelinek <jakub@redhat.com>
11818 PR rtl-optimization/70174
11819 * expmed.c (store_bit_field_using_insv): Use gen_lowpart_if_possible
11820 followed by gen_lowpart on force_reg instead of just gen_lowpart.
11822 PR tree-optimization/70169
11823 * tree-ssa-loop.c (gen_lsm_tmp_name): Handle FUNCTION_DECL and
11824 LABEL_DECL like VAR_DECL. Emit nothing instead of gcc_unreachable
11827 2016-03-11 Ilya Enkovich <enkovich.gnu@gmail.com>
11828 Jakub Jelinek <jakub@redhat.com>
11831 * config/i386/i386.c (scalar_chain::convert_reg): Skip uses
11832 of uninitialized values.
11834 2016-03-11 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
11836 * config/s390/s390.md ("trunctddd2"): Turn former define_insn into
11838 ("*trunctddd2"): New pattern definition.
11839 ("trunctdsd2"): Set prep_for_short_prec rounding mode for the
11842 2016-03-11 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
11844 * config/s390/s390.md (BFP_RND_*, DFP_RND_*): Add new constant
11845 definitions for BFP and DFP rounding modes.
11846 ("fixuns_truncdddi2", "fixuns_trunctddi2")
11847 ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2")
11848 ("fix_trunc<DSF:mode><GPR:mode>2", "fix_trunc<mode>di2")
11849 ("fix_trunctf<mode>2"): Use the new constants instead of magic
11852 2016-03-11 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
11854 * config/s390/constraints.md: Adjust comment.
11855 ("Y"): Adjust comment. Rename s390_decompose_shift_count to
11856 s390_decompose_addrstyle_without_index.
11857 * config/s390/predicates.md (shift_count_or_setmem_operand):
11858 Rename to setmem_operand.
11859 * config/s390/s390-protos.h
11860 (s390_decompose_shift_count): Rename to
11861 s390_decompose_addrstyle_without_index.
11862 * config/s390/s390.c (s390_decompose_shift_count)
11863 (s390_mem_constraint, print_shift_count_operand)
11864 (print_operand_address, print_operand): Rename
11865 s390_decompose_shift_count to
11866 s390_decompose_addrstyle_without_index and rename
11867 print_shift_count_operand to print_addrstyle_operand troughout the
11869 * config/s390/s390.md ("setmem_long_<P:mode>", "*setmem_long")
11870 ("*setmem_long_and", "*setmem_long_31z", "*setmem_long_and_31z"):
11871 Rename shift_count_or_setmem_operand to setmem_operand.
11872 * config/s390/vx-builtins.md ("vec_insert<mode>")
11873 ("vec_promote<mode>"): Replace shift_count_or_setmem_operand with
11876 2016-03-10 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
11879 * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
11880 Handle overlapping retval and newval.
11882 2016-03-10 Nick Clifton <nickc@redhat.com>
11885 * config/aarch64/aarch64.c
11886 (aarch64_override_options_after_change_1): When forcing
11887 flag_omit_frame_pointer to be true, use a special value that can
11888 be detected if this function is called again, thus preventing
11889 flag_omit_leaf_frame_pointer from being forced to be false.
11891 2016-03-10 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
11893 * common/config/aarch64/aarch64-common.c (aarch64_handle_option):
11894 Set x_flag_omit_leaf_frame_pointer when handling
11895 -momit-leaf-frame-pointer.
11897 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
11900 * cgraph.c (cgraph_node::dump): Dump split_part and
11901 indirect_call_target.
11902 * cgraph.h (cgraph_node): Add indirect_call_target flag.
11903 * ipa.c (has_addr_references_p): Cleanup.
11904 (is_indirect_call_target_p): New.
11905 (walk_polymorphic_call_targets): Do not mark virtuals that may be
11906 called indirectly as local.
11907 (symbol_table::remove_unreachable_nodes): Compute indirect_call_target.
11909 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
11912 * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
11913 on cxa_pure_virtual.
11915 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
11918 * tree.c (free_lang_data_in_decl): Clear visibility of TYPE_DECL.
11920 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
11923 * tree.c (need_assembler_name_p): Only record main variant type names.
11925 2016-03-10 Christophe Lyon <christophe.lyon@linaro.org>
11928 * config/aarch64/aarch64.h (TARGET_FIX_ERR_A53_843419_DEFAULT):
11929 Always define to 0 or 1.
11930 (TARGET_FIX_ERR_A53_843419): New macro.
11931 * config/aarch64/aarch64-elf-raw.h
11932 (TARGET_FIX_ERR_A53_843419_DEFAULT): Update for above changes.
11933 * config/aarch64/aarch64-linux.h: Likewise.
11934 * config/aarch64/aarch64.c
11935 (aarch64_override_options_after_change_1): Do not default
11936 aarch64_nopcrelative_literal_loads to true if Cortex-A53 erratum
11938 (aarch64_attributes): Handle fix-cortex-a53-843419.
11939 (aarch64_can_inline_p): Likewise.
11940 * config/aarch64/aarch64.opt (aarch64_fix_a53_err843419): Save.
11942 2016-03-10 Alan Lawrence <alan.lawrence@arm.com>
11943 Jakub Jelinek <jakub@redhat.com>
11945 * common.opt (funconstrained-commons, flag_unconstrained_commons): New.
11946 * tree.c (array_at_struct_end_p): Do not limit to size of decl for
11947 DECL_COMMONS if flag_unconstrained_commons is set.
11948 * tree-dfa.c (get_ref_base_and_extent): Likewise.
11949 * doc/invoke.texi (Optimize Options): Add -funconstrained-commons.
11950 (funconstrained-commons): Document.
11952 2016-03-10 Christophe Lyon <christophe.lyon@linaro.org>
11954 * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add
11955 aarch64-fusion-pairs.def and aarch64-tuning-flags.def
11957 2016-03-10 Ilya Enkovich <enkovich.gnu@gmail.com>
11959 * tree-vect-stmts.c (vectorizable_mask_load_store): Check mask
11960 has a proper number of elements.
11962 2016-03-10 Alan Modra <amodra@gmail.com>
11964 PR rtl-optimization/69195
11965 PR rtl-optimization/47992
11966 * ira.c (recorded_label_ref): Delete.
11967 (update_equiv_regs): Return void.
11968 (indirect_jump_optimize): New function.
11969 (ira): Call indirect_jump_optimize and delete_trivially_dead_insns
11970 before regstat_compute_ri. Don't rebuild_jump_labels here.
11971 Delete update_regstat.
11973 2016-03-10 Richard Biener <rguenther@suse.de>
11975 PR tree-optimization/70128
11976 * tree-ssa-structalias.c (set_uids_in_ptset): Set
11977 vars_contains_nonlocal for any FUNCTION_DECL or LABEL_DECL.
11979 2016-03-09 Jakub Jelinek <jakub@redhat.com>
11981 PR tree-optimization/70152
11982 * tree-sra.c (replace_removed_params_ssa_names): Copy over
11983 SSA_NAME_OCCURS_IN_ABNORMAL_PHI from old_name to new_name.
11986 * config/i386/i386.md (truncdfsf2 splitter): Use gen_vec_concatv2df
11987 instead of gen_sse2_loadlpd.
11988 * config/i386/sse.md (*vec_concatv2df): Rename to...
11989 (vec_concatv2df): ... this.
11991 PR tree-optimization/70127
11992 * fold-const.c (operand_equal_p): Revert the 2015-10-28 change.
11994 2016-03-09 David Malcolm <dmalcolm@redhat.com>
11998 * diagnostic-show-locus.c (compatible_locations_p): New function.
11999 (layout::layout): Sanitize ranges using compatible_locations_p.
12001 2016-03-09 David Malcolm <dmalcolm@redhat.com>
12005 * diagnostic-show-locus.c (layout_range::layout_range): Replace
12006 location_range param with three const expanded_locations * and a
12008 (layout::layout): Replace call to
12009 rich_location::lazily_expand_location with get_expanded_location.
12010 Extract the range and perform location expansion here, passing
12011 the results to the layout_range ctor.
12012 * diagnostic.c (source_range::debug): Delete.
12013 * diagnostic.h (diagnostic_expand_location): Reimplement in terms
12014 of rich_location::get_expanded_location.
12015 * gcc-rich-location.c (get_range_for_expr): Delete.
12016 (gcc_rich_location::add_expr): Reimplement to avoid the
12017 rich_location::add_range overload that took a location_range,
12018 passing a location_t instead.
12020 2016-03-09 Richard Biener <rguenther@suse.de>
12021 Jakub Jelinek <jakub@redhat.com>
12023 PR tree-optimization/70138
12024 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
12025 Also skip vect_double_reduction_def.
12027 2016-03-09 Jakub Jelinek <jakub@redhat.com>
12030 * config/i386/sse.md (*vec_extract<mode>): Use %0 instead of %k0
12031 if the operand is "m".
12033 2016-03-09 Nathan Sidwell <nathan@acm.org>
12035 * config/nvptx/nvptx.c (nvptx_option_override): Don't kill debug level.
12037 2016-03-09 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
12039 * config/i386/i386.c (processor_target_table): Fix cost table
12040 intialization order for znver1.
12042 2016-03-08 Jakub Jelinek <jakub@redhat.com>
12044 * ipa-polymorphic-call.c (walk_ssa_copies): Fix spelling
12045 - becuase -> because.
12046 * ipa-reference.c (ignore_module_statics): Likewise.
12047 * cgraph.c (cgraph_node::get_body): Likewise.
12048 * ipa-inline.c (early_inliner): Likewise.
12049 * ipa-devirt.c (types_same_for_odr): Likewise.
12050 * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
12051 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Likewise.
12053 2016-03-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
12055 * tree-ssa-math-opts.c: Fix typo in comment.
12057 2016-03-08 Jakub Jelinek <jakub@redhat.com>
12060 * config/i386/i386.c (scalar_chain::make_vector_copies,
12061 scalar_chain::convert_reg): Call end_sequence in between
12062 get_insns and emit_conversion_insns rather than after both
12065 2016-03-07 Uros Bizjak <ubizjak@gmail.com>
12068 * config/i386/i386.h (machine_function): Add
12069 pc_thunk_call_expanded flag.
12070 (ix86_pc_thunk_call_expanded): New define.
12071 * config/i386/i386.md (set_got, set_got_labelled): New expanders.
12072 (*set_got): Rename insn pattern from set_got.
12073 (*set_got_labelled): Rename inst pattern from set_got_labelled.
12074 * config/i386/i386.c (ix86_compute_frame_layout): Use
12075 ix86_pc_thunk_call_expanded to prevent red-zone.
12077 2016-03-07 Martin Jambor <mjambor@suse.cz>
12079 * hsa.h (hsa_get_ctor_statements): Declare.
12080 (hsa_get_dtor_statements): Likewise.
12081 (hsa_get_kernel_dispatch_type): Likewise.
12082 * hsa.c (hsa_get_ctor_statements): New function.
12083 (hsa_get_dtor_statements): Likewise.
12084 (hsa_get_kernel_dispatch_type): Likewise.
12085 * hsa-brig.c (hsa_cdtor_statements): Removed.
12086 (hsa_output_libgomp_mapping): Use hsa_get_ctor_statements and
12087 hsa_get_dtor_statements.
12088 * hsa-gen.c (hsa_kernel_dispatch_type): Removed.
12089 (get_hsa_kernel_dispatch_offset): Use hsa_get_kernel_dispatch_type.
12091 2016-03-07 Andre Vieira <andre.simoesdiasvieira@arm.com>
12093 * config/arm/arm-cores.def (cortex-r8): New.
12094 * config/arm/arm-tables.opt (cortex-r8): Regenerate.
12095 * config/arm/arm-tune.md: Likewise.
12096 * doc/invoke.texi: Add cortex-r8 to list of cpu values.
12098 2016-03-07 Martin Sebor <msebor@redhat.com>
12100 PR rtl-optimization/19705
12101 * doc/invoke.texi (Options That Control Optimization): Clarify
12102 -fno-branch-count-reg.
12104 2016-02-26 Richard Biener <rguenther@suse.de>
12105 Jeff Law <law@redhat.com>
12107 PR tree-optimization/69740
12108 * cfghooks.c (remove_edge): Request loop fixups if we delete
12109 an edge that might turn an irreducible loop into a natural
12111 * cfgloop.h (check_verify_loop_structure): Clear LOOPS_NEED_FIXUP.
12112 Move after definition of loops_state_clear.
12114 2016-03-07 Bin Cheng <bin.cheng@arm.com>
12116 PR rtl-optimization/69052
12117 * rtlanal.c (commutative_operand_precedence): Set higher precedence
12120 2016-03-07 Tom de Vries <tom@codesourcery.com>
12122 PR tree-optimization/70116
12123 * tree-ssa-tail-merge.c (merge_stmts_p): New function, handling
12124 is_tm_ending stmts and ubsan/asan internal functions.
12125 (find_duplicate): Use it. Don't test is_tm_ending here.
12127 2016-03-07 Richard Biener <rguenther@suse.de>
12129 PR tree-optimization/70115
12130 * tree-ssa-loop-ivcanon.c (propagate_into_all_uses): Remove.
12131 (propagate_constants_for_unrolling): Use replace_uses_by.
12133 2016-03-07 Nathan Sidwell <nathan@codesourcery.com>
12135 PR middle-end/69916
12136 * omp-low.c (struct oacc_loop): Add ifns.
12137 (new_oacc_loop_raw): Initialize it.
12138 (finish_oacc_loop): Clear mask & flags if no ifns.
12139 (oacc_loop_discover_walk): Count IFN_GOACC_LOOP calls.
12140 (oacc_loop_xform_loop): Add ifns arg & adjust.
12141 (oacc_loop_process): Adjust oacc_loop_xform_loop call.
12143 2016-03-07 Richard Henderson <rth@redhat.com>
12146 * tree-outofssa.c (emit_partition_copy): Flush pending stack adjust.
12147 (insert_value_copy_on_edge): Likewise.
12149 2016-03-07 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
12151 * config/arm/arm_neon.h: Show error if using with soft-float ABI.
12153 2016-03-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
12156 * config/i386/sol2.h (STACK_REALIGN_DEFAULT): Define.
12158 2016-03-05 Venkataramanan Kumar <Venkataramanan.kumar@amd.com>
12160 * config/i386/i386.c (znver1_cost): Fix Multiply cost.
12162 2016-03-05 Venkataramanan Kumar <Venkataramanan.kumar@amd.com>
12164 Fix sseimul type attribute.
12165 * config/i386/znver1.md
12166 (znver1_sseimul, znver1_sseimul_avx256, znver1_sseimul_load,
12167 znver1_sseimul_avx256_load) : Fix the type attribute.
12168 (znver1_sseimul_di, znver1_sseimul_load_di): Fix type attribute,
12169 pipe usage and latency.
12171 2016-03-05 Jakub Jelinek <jakub@redhat.com>
12174 * tree-inline.c (copy_tree_body_r): When cancelling ADDR_EXPR
12175 of INDIRECT_REF and ADDR_EXPR changed type, fold_convert it
12178 2016-03-04 Bernd Schmidt <bschmidt@redhat.com>
12181 * targhooks.c (default_vector_alignment): Limit to MAX_OFILE_ALIGNMENT.
12183 PR rtl-optimization/69941
12184 * postreload.c (reload_combine_recognize_pattern): Ensure all uses of
12185 the reg share its mode.
12187 2016-03-04 Jeff Law <law@redhat.com>
12189 PR tree-optimization/69196
12190 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
12191 If the both SSA_NAMEs are anonymous, then consider them unassociated
12192 and include the PHI in the statement count.
12194 2016-03-05 Tom de Vries <tom@codesourcery.com>
12196 * omp-low.c (check_omp_nesting_restrictions): Check for non-oacc
12197 construct in oacc routine. Check for oacc region in oacc routine.
12199 2016-03-04 Jakub Jelinek <jakub@redhat.com>
12202 * config/i386/i386.c (decide_alg): Add RECUR argument. Revert
12203 2016-02-22 changes, instead don't recurse if RECUR is already true.
12204 Don't change *dynamic_check if RECUR. Adjust recursive caller
12205 to pass true to the new argument.
12206 (ix86_expand_set_or_movmem): Adjust decide_alg caller.
12209 * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
12210 <extract_type_2>_vinsert<shuffletype><extract_suf_2>_mask): Formatting
12212 (vec_set_hi_<mode><mask_name>): Likewise. Swap VEC_CONCAT operands.
12214 2016-03-04 Bernd Schmidt <bschmidt@redhat.com>
12216 PR rtl-optimization/57676
12217 * lra-assigns.c (lra_assign): Guard test for maximum iterations
12218 with flag_checking.
12220 2016-03-04 Ilya Enkovich <enkovich.gnu@gmail.com>
12222 * tree-vect-patterns.c (search_type_for_mask): Handle
12223 comparison of booleans.
12225 2016-03-04 Jakub Jelinek <jakub@redhat.com>
12227 * doc/extend.texi (__builtin_alloca, __builtin_alloca_with_align):
12231 * dwarf2out.c (prune_unused_types_walk_loc_descr): Handle
12232 all other ops that have dw_val_class_die_ref operands,
12233 and DW_OP_GNU_entry_value.
12235 2016-03-03 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
12237 PR rtl-optimization/69904
12238 * config/arm/arm.c (arm_cannot_copy_insn_p):
12239 Return true for load-exclusive instructions.
12241 2016-03-03 Jakub Jelinek <jakub@redhat.com>
12244 * tree-vect-stmts.c (vect_mark_relevant): Remove USED_IN_PATTERN
12245 argument, if STMT_VINFO_IN_PATTERN_P (stmt_info), always mark
12246 the pattern no matter if it is used just by non-pattern, pattern
12248 (process_use, vect_mark_stmts_to_be_vectorized): Adjust callers.
12249 * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
12250 oprnd1 def_stmt is in pattern, don't look through it.
12252 2016-03-03 Marek Polacek <polacek@redhat.com>
12254 PR middle-end/70050
12255 * match.pd (X % -Y): Add INTEGRAL_TYPE_P check.
12257 2016-03-03 Martin Liska <mliska@suse.cz>
12259 PR tree-optimization/70043
12260 * tree-vect-loop.c (optimize_mask_stores): Move iterator to
12261 previous statement if we see a debug statement.
12263 2016-03-03 Richard Biener <rguenther@suse.de>
12265 PR tree-optimization/55936
12266 * tree-vrp.c (compare_name_with_value): Add use_equiv_p
12267 parameter and guard unsafe equivalence use.
12268 (vrp_evaluate_conditional_warnv_with_ops): Always use
12269 safe equivalences but not via the quadratic compare_names
12272 2016-03-03 Michael Collison <michael.collison@linaro.org>
12275 * config/arm/arm.md (*subsi3_carryin_const): Change predicate
12276 for operand 1 to s_register_operand. Change predicate for operand
12277 2 to arm_not_immediate_operand.
12279 2016-03-02 H.J. Lu <hongjiu.lu@intel.com>
12281 * doc/tm.texi: Regenerated.
12283 2016-03-02 Richard Henderson <rth@redhat.com>
12286 * simplify-rtx.c (simplify_plus_minus): Allow reassoc without
12287 simplification when all args are positive non-fixed registers.
12289 2016-03-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
12291 * target.def (lra_p): Specify that new ports should use LRA.
12293 2016-03-02 Jakub Jelinek <jakub@redhat.com>
12296 * gimplify.c (gimplify_decl_expr): For decls with REFERENCE_TYPE, also
12297 gimplify_type_sizes the type they refer to.
12298 (omp_notice_variable): Handle reference vars to VLAs.
12299 * omp-low.c (lower_omp_target): Emit setup of OMP_CLAUSE_PRIVATE
12300 reference to VLA decls in the second pass instead of first pass.
12302 2016-03-02 Tom de Vries <tom@codesourcery.com>
12304 PR tree-optimization/68659
12305 * graphite-isl-ast-to-gimple.c (collect_all_ssa_names): Handle
12306 new_expr == NULL_TREE.
12307 (get_new_name): Handle ADDR_EXPR.
12309 2016-03-02 Bin Cheng <bin.cheng@arm.com>
12311 PR rtl-optimization/69052
12312 * loop-invariant.c (canonicalize_address): New function.
12313 (inv_can_prop_to_addr_use): Check validity of address expression
12314 which is canonicalized by above function.
12316 2016-03-02 Alan Modra <amodra@gmail.com>
12319 * ipa-icf.c (sem_variable::merge): Do not merge an alias with
12322 2016-03-02 Jakub Jelinek <jakub@redhat.com>
12325 * config/i386/i386.md (kmovw): Move m constraint to 2nd alternative.
12326 (*movhi_internal): Put mask moves from and to memory separately
12327 from moves from/to GPRs.
12329 2016-03-02 Richard Biener <rguenther@suse.de>
12331 * genmatch.c (dt_node::gen_kids): Fix match code-gen for embedded
12332 GENERIC expressions in GIMPLE.
12334 2016-03-02 Richard Biener <rguenther@suse.de>
12336 * config/i386/i386.c (type_natural_mode): Fix typo.
12338 2016-03-02 Nick Clifton <nickc@redhat.com>
12340 * config.gcc (mep-*-elf): Add newlib-stdint.h to tm_file.
12342 2016-03-02 Richard Biener <rguenther@suse.de>
12343 Uros Bizjak <ubizjak@gmail.com>
12346 * config/i386/i386.c (type_natural_mode): Handle XFmode vectors.
12348 2016-03-02 Richard Biener <rguenther@suse.de>
12350 PR middle-end/67278
12351 * tree-cfg.c (verify_expr): Adjust BIT_FIELD_REF case.
12353 2016-03-02 Marek Polacek <polacek@redhat.com>
12356 * gimplify.c (gimplify_va_arg_expr): Use expanded location for the
12357 "is promoted to" warning.
12359 2016-03-01 DJ Delorie <dj@redhat.com>
12361 * config.gcc: Deprecate mep-*.
12363 2016-03-01 Vladimir Makarov <vmakarov@redhat.com>
12365 PR middle-end/70025
12366 * lra-constraints.c (regno_val_use_in): New.
12367 (match_reload): Use it instead of regno_use_in.
12369 2016-03-01 Eric Botcazou <ebotcazou@adacore.com>
12371 PR rtl-optimization/70007
12372 * gcse.c (compute_ld_motion_mems): Tidy up and also invalidate memory
12373 references present in REG_EQUAL notes attached to non-SET patterns.
12375 2016-03-01 Jeff Law <law@redhat.com>
12377 PR tree-optimization/69196
12378 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
12379 Appropriately clamp the number of statements to copy when the
12380 thread path does not traverse a loop backedge.
12382 PR tree-optimization/69196
12383 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
12384 Do count some PHIs in the thread path against the insn count. Decrease
12385 final statement count by one as the control statement in the last
12386 block will get removed. Remove special cased code for handling PHIs
12389 2016-03-01 Uros Bizjak <ubizjak@gmail.com>
12392 * config/i386/i386.c (ix86_output_call_insn): Add -masm=intel
12393 asm dialect alternatives to explicit GOTPCREL calls.
12395 2016-03-01 Eric Botcazou <ebotcazou@adacore.com>
12398 * ira.c (do_reload): Issue warning for generic stack checking here...
12399 * reload1.c (reload): ...instead of here and streamline it.
12401 2016-03-01 Nick Clifton <nickc@redhat.com>
12403 * config.gcc (cr16-*-elf): Add newlib-stdint.h to tm_file.
12405 2016-03-01 Richard Biener <rguenther@suse.de>
12407 PR tree-optimization/69983
12408 * tree-chrec.c (eq_evolutions_p): Handle conversions, compare
12409 types and fall back to operand_equal_p.
12411 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
12414 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
12416 * config/s390/constraints.md ("jm8"): New constraint.
12417 * config/s390/predicates.md ("const_int_8bitset_operand"): New
12419 * config/s390/s390.md ("*setmem_long", "*setmem_long_and"): Merge
12421 ("*setmem_long<setmem_and>"): New pattern.
12422 ("*setmem_long_31z", "*setmem_long_and_31z"): Merge
12424 ("*setmem_long_31z<setmem_and>"): New pattern.
12425 * config/s390/subst.md ("setmem_31z_subst", "setmem_and_subst"):
12426 New substitution rules with the required attributes.
12429 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
12432 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
12434 * gensupport.c (process_substs_on_one_elem): Split loop to
12435 complete mark_operands_used_in_match_dup on all expressions in the
12437 (adjust_operands_numbers): Inline into process_substs_on_one_elem
12438 and remove function.
12440 2016-03-01 Richard Biener <rguenther@suse.de>
12442 PR middle-end/70022
12443 * fold-const.c (fold_indirect_ref_1): Fix range checking for
12444 vector BIT_FIELD_REF extract.
12446 2016-03-01 Richard Biener <rguenther@suse.de>
12448 PR tree-optimization/69994
12449 * tree-ssa-reassoc.c (ops_equal_values_p): Handle missing case.
12451 2016-03-01 Ilya Enkovich <enkovich.gnu@gmail.com>
12453 PR tree-optimization/69956
12454 * tree-vect-stmts.c (supportable_widening_operation): Support
12455 multi-step conversion of boolean vectors.
12456 (supportable_narrowing_operation): Likewise.
12458 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
12460 * config/s390/s390.c (s390_decompose_address): Don't accept SImode
12463 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
12465 * config/s390/subst.md (DSI_VI): New mode iterator.
12466 ("addr_style_op_subst"): Use DSI_VI instead of DSI.
12467 * config/s390/vector.md ("vec_set<mode>"): Move expander before
12468 the insn definition.
12469 ("*vec_set<mode>"): Change predicate and add alternative to
12470 support only either register or const_int operands as element
12472 ("*vec_set<mode>_plus"): New pattern to support reg + const_int
12474 ("vec_extract<mode>"): New expander.
12475 ("*vec_extract<mode>"): New insn definition supporting reg and
12476 const_int element selectors.
12477 ("*vec_extract<mode>_plus"): New insn definition supporting
12478 reg+const_int element selectors.
12479 ("rotl<mode>3", "ashl<mode>3", "ashr<mode>3"): Merge into the
12480 following expander+insn definition.
12481 ("<vec_shifts_name><mode>3"): New expander.
12482 ("*<vec_shifts_name><mode>3<addr_style_op>"): New insn definition.
12484 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
12486 * config/s390/s390.md ("*tabort_1"): Change predicate to
12487 nonmemory_operand. Add a second alternative to cover
12488 register as well as const int operands.
12489 ("*tabort_1_plus"): New pattern definition.
12491 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
12493 * config/s390/s390.md ("*ashrdi3_cc_31")
12494 ("*ashrdi3_cconly_31""*ashrdi3_cc_31_and")
12495 ("*ashrdi3_cconly_31_and", "*ashrdi3_31_and", "*ashrdi3_31"):
12496 Merge insn definitions into ...
12497 ("*ashrdi3_31<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
12498 New pattern definition.
12499 ("*ashr<mode>3_cc", "*ashr<mode>3_cconly", "ashr<mode>3", )
12500 ("*ashr<mode>3_cc_and", "*ashr<mode>3_cconly_and")
12501 ("*ashr<mode>3_and"): Merge insn definitions into ...
12502 ("*ashr<mode>3<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
12503 New pattern definition.
12504 * config/s390/subst.md ("addr_style_op_cc_subst")
12505 ("masked_op_cc_subst", "setcc_subst", "cconly_subst"): New
12506 substitutions patterns plus attributes.
12507 Add ashiftrt to SUBST iterator.
12509 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
12511 * config/s390/s390.md ("<shift><mode>3"): Change predicate of
12512 op2 to nonmemory_operand.
12513 ("*<shift>di3_31", "*<shift>di3_31_and"):
12514 Merge into single pattern definition ...
12515 ("*<shift>di3_31<addr_style_op><masked_op>"): New pattern.
12516 ("*<shift><mode>3", "*<shift><mode>3_and"): Merge into single
12517 pattern definition ...
12518 ("*<shift><mode>3<addr_style_op><masked_op>"): New pattern.
12519 * config/s390/subst.md: Add ashift and lshiftrt to SUBST
12522 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
12524 * config/s390/predicates.md (const_int_6bitset_operand): New
12526 * config/s390/s390.md: Include subst.md.
12527 ("rotl<mode>3"): New expander.
12528 ("rotl<mode>3", "*rotl<mode>3_and"): Merge insn definitions into
12530 ("*rotl<mode>3<addr_style_op><masked_op>"): New insn definition.
12531 * config/s390/subst.md: New file.
12533 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
12535 * config/s390/s390.md ("op_type", "atype", "length" attributes):
12536 Remove RRR type. It doesn't really exist.
12537 ("RRer", "f0", "v0", "vf", "vd", "op1", "Rf"): Remove mode
12539 ("BFP", "DFP", "nDSF", "nDFDI"): Add mode attributes.
12540 ("*cmp<mode>_ccs", "floatdi<mode>2", "add<mode>3")
12541 ("*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3")
12542 ("*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3")
12543 ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2")
12544 ("*abs<mode>2", "*negabs<mode>2", "sqrt<mode>2"): Override
12545 `enabled' attribute.
12547 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
12549 * gensupport.c (process_substs_on_one_elem): Split loop to
12550 complete mark_operands_used_in_match_dup on all expressions in the
12552 (adjust_operands_numbers): Inline into process_substs_on_one_elem
12553 and remove function.
12555 2016-02-29 Eric Botcazou <ebotcazou@adacore.com>
12558 * config/sparc/sparc.c (NWORDS_UP): Rename to...
12559 (CEIL_NWORDS): ...this. Use CEIL macro.
12560 (compute_fp_layout): Adjust to above renaming.
12561 (function_arg_union_value): Likewise.
12562 (sparc_arg_partial_bytes): Likewise.
12563 (sparc_function_arg_advance): Likewise.
12565 2016-02-29 Jeff Law <law@redhat.com>
12567 PR tree-optimization/70005
12568 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Handle case
12569 where an object with a boolean range is compared against a value
12572 PR tree-optimization/69999
12573 * gimple-ssa-split-paths.c (split_paths): When duplicating a block
12574 with an outgoing edge marked with EDGE_IRREDUCIBLE_LOOP, schedule
12577 2016-02-29 Richard Biener <rguenther@suse.de>
12579 PR tree-optimization/69994
12580 * tree-ssa-reassoc.c (gimple_nop_conversion_p): New function.
12581 (get_unary_op): Look through nop conversions.
12582 (ops_equal_values_p): New function, look for equality diregarding
12584 (eliminate_plus_minus_pair): Use ops_equal_values_p
12585 (repropagate_negates): Do not use get_unary_op here.
12587 2016-02-29 Martin Liska <mliska@suse.cz>
12589 * system.h: Poison ENABLE_CHECKING macro.
12591 2016-02-29 Martin Liska <mliska@suse.cz>
12593 * hsa-gen.c (gen_body_from_gimple): Dump only if TDF_DETAILS
12594 is presented in dump flags.
12595 * hsa-regalloc.c (linear_scan_regalloc): Likewise.
12596 (hsa_regalloc): Likewise.
12598 2016-02-19 Richard Biener <rguenther@suse.de>
12600 PR tree-optimization/69980
12601 * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Update
12602 permutation of those we need to keep.
12604 2016-02-29 Eric Botcazou <ebotcazou@adacore.com>
12607 * config/sparc/sparc.c (ROUND_ADVANCE): Rename to...
12608 (NWORDS_UP): ...this
12609 (init_cumulative_args): Minor tweaks.
12610 (sparc_promote_function_mode): Likewise.
12611 (scan_record_type): Delete.
12612 (traverse_record_type): New function template.
12613 (classify_data_t): New structure type.
12614 (classify_registers): New inline function.
12615 (function_arg_slotno): In 64-bit mode, bail out early if FP slots are
12616 exhausted. Instantiate traverse_record_type on classify_registers and
12617 deal with the case of a structure passed in slot #15 with no FP field
12619 (assign_data_t): New structure type.
12620 (compute_int_layout): New static function.
12621 (compute_fp_layout): Likewise.
12622 (count_registers): New inline function.
12623 (assign_int_registers): New static function.
12624 (assign_fp_registers): Likewise.
12625 (assign_registers): New inline function.
12626 (function_arg_record_value_1): Delete.
12627 (function_arg_record_value_2): Likewise.
12628 (function_arg_record_value_3): Likewise.
12629 (function_arg_record_value): Adjust to above changes. Instantiate
12630 traverse_record_type on count_registers to first count the number of
12631 registers to be used and then on assign_registers to assign them.
12632 (function_arg_union_value): Adjust to above renaming.
12633 (sparc_function_arg_1); Minor tweaks. Remove commented out code.
12634 (sparc_arg_partial_bytes): Adjust to above renaming. Deal with the
12635 case of a structure passed in slot #15
12636 (sparc_function_arg_advance): Likewise.
12637 (function_arg_padding): Minor tweak.
12639 2016-02-29 Richard Biener <rguenther@suse.de>
12641 PR tree-optimization/69720
12642 * tree-vect-loop.c (get_initial_def_for_reduction): Avoid
12643 the adjustment_def path for possibly vectorized defs.
12644 (vect_create_epilog_for_reduction): Handle vectorized initial
12647 2016-02-28 Eric Botcazou <ebotcazou@adacore.com>
12649 * config/i386/cygming.h (STACK_REALIGN_DEFAULT): Define.
12651 2016-02-27 Jeff Law <law@redhat.com>
12654 2016-02-26 Richard Biener <rguenther@suse.de>
12655 Jeff Law <law@redhat.com>
12657 PR tree-optimization/69740
12658 * cfghooks.c (remove_edge): Request loop fixups if we delete
12659 an edge that might turn an irreducible loop into a natural
12662 2016-02-27 Jakub Jelinek <jakub@redhat.com>
12664 PR rtl-optimization/69896
12665 * tree-vect-generic.c (get_compute_type): Avoid single element
12668 2016-02-26 Evandro Menezes <e.menezes@samsung.com>
12670 Rename the AArch64 tuning option and related functions to enable the
12671 Newton series for the reciprocal square root to reflect its
12672 approximative characteristic.
12674 * config/aarch64/aarch64-protos.h (aarch64_emit_swrsqrt): Rename
12675 function to "aarch64_emit_approx_rsqrt".
12676 * config/aarch64/aarch64-tuning-flags.def: Rename tuning flag to
12677 AARCH64_EXTRA_TUNE_APPROX_RSQRT.
12678 * config/aarch64/aarch64.c (exynosm1_tunigs): Use new flag name.
12679 (xgene1_tunings): Likewise.
12680 (use_rsqrt_p): Likewise.
12681 (aarch64_emit_swrsqrt): Use new function name.
12682 * config/aarch64/aarch64-simd.md (aarch64_rsqrts_*): Likewise.
12683 * config/aarch64/aarch64.opt (mlow-precision-recip-sqrt): Reword the
12684 text explaining this option.
12685 * doc/invoke.texi (-mlow-precision-recip-sqrt): Likewise.
12687 2016-02-26 Jakub Jelinek <jakub@redhat.com>
12690 * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
12691 complain about -mallow-movmisalign without -mvsx if
12692 TARGET_ALLOW_MOVMISALIGN was not set explicitly.
12694 2016-02-26 Joel Sherrill <joel@rtems.org>
12696 * config.gcc: Add x86_64-*-rtems*.
12697 * config/i386/rtems-64.h: New file.
12699 2016-02-26 Joel Sherrill <joel@rtems.org>
12701 * config.gcc: Add aarch64-*-rtems*.
12702 * config/aarch64/rtems.h: New file.
12704 2016-02-26 Segher Boessenkool <segher@kernel.crashing.org>
12707 * config/rs6000/rs6000.c (rs6000_insn_for_shift_mask): Print rlwinm
12708 shift amount using %h. Add comment.
12710 2016-02-26 Richard Biener <rguenther@suse.de>
12711 Jeff Law <law@redhat.com>
12713 PR tree-optimization/69740
12714 * cfghooks.c (remove_edge): Request loop fixups if we delete
12715 an edge that might turn an irreducible loop into a natural
12718 2016-02-26 Martin Jambor <mjambor@suse.cz>
12720 PR middle-end/69920
12721 * tree-sra.c (sra_modify_assign): Do not remove loads of
12722 uninitialized aggregates to SSA_NAMEs.
12724 2016-02-26 Richard Henderson <rth@redhat.com>
12727 * config/s390/s390.md (risbg and risbgn splitters): Allocate new
12728 pseudo in case the target rtx matches the source of the left
12731 2016-02-26 Martin Jambor <mjambor@suse.cz>
12734 * hsa.h (hsa_type_packed_p): Declare.
12735 * hsa.c (hsa_type_packed_p): New function.
12736 * hsa-gen.c (mem_type_for_type): Use unsigned type for packed
12738 (gen_hsa_insns_for_store): Use hsa_type_packed_p.
12739 * hsa-brig.c (emit_basic_insn): Likewise.
12741 2016-02-26 Martin Jambor <mjambor@suse.cz>
12744 * hsa-gen.c (gen_hsa_phi_from_gimple_phi): Use proper hsa type for
12746 (gen_hsa_addr): Allow integer constants in TMR_INDEX2.
12748 2016-02-26 Martin Jambor <mjambor@suse.cz>
12750 * hsa.h (is_a_helper): New overload for hsa_op_immed for
12751 hsa_op_with_type operands.
12752 (hsa_unsigned_type_for_type): Declare.
12753 * hsa.c (hsa_unsigned_type_for_type): New function.
12754 * hsa-gen.c (gen_hsa_binary_operation): Use hsa_unsigned_type_for_type.
12755 (gen_hsa_insns_for_operation_assignment): Satisfy constrains of
12756 the finalizer. Do not emit extra move.
12758 2016-02-26 Martin Jambor <mjambor@suse.cz>
12760 * hsa-gen.c (gen_hsa_ternary_atomic_for_builtin): Fail in presence of
12761 atomic operations in private segment.
12763 2016-02-26 Martin Jambor <mjambor@suse.cz>
12765 * omp-low.c (grid_find_ungridifiable_statement): Store problematic
12766 statements to wi->info. Also disallow omp simd constructs.
12767 (grid_target_follows_gridifiable_pattern): Use wi.info to dump reason
12768 for not gridifying. Dump special string for omp_for.
12770 2016-02-26 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
12773 * config/aarch64/aarch64.c (aarch64_set_current_function):
12774 Save/restore target globals when switching to
12775 target_option_default_node.
12777 2016-02-26 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
12780 * config/aarch64/aarch64.c (aarch64_shift_truncation_mask):
12781 Return 0 if !SHIFT_COUNT_TRUNCATED.
12783 2016-02-26 Jakub Jelinek <jakub@redhat.com>
12784 Eric Botcazou <ebotcazou@adacore.com>
12786 PR rtl-optimization/69891
12787 * dse.c (scan_insn): If we can't figure out memset arguments
12788 or they are non-constant, call clear_rhs_from_active_local_stores.
12790 2016-02-26 Martin Liska <mliska@suse.cz>
12792 * doc/extend.texi: Mention clog10, clog10f an clog10l
12793 in Builtins section.
12795 2016-02-26 Martin Liska <mliska@suse.cz>
12797 * dwarf2out.c (new_loc_descr): Replace ENABLE_CHECKING with
12799 (resolve_args_picking_1): Likewise.
12800 * dwarf2out.h (struct GTY): Likewise.
12802 2016-02-26 Martin Liska <mliska@suse.cz>
12804 * hsa-gen.c (generate_hsa): Replace ENABLE_CHECKING macro
12805 with flag_checking.
12806 * hsa-regalloc.c (linear_scan_regalloc): Likewise.
12808 2016-02-26 Markus Trippelsdorf <markus@trippelsdorf.de>
12809 Martin Liska <mliska@suse.cz>
12811 * doc/install.texi: Mention --enable-valgrind-annotations.
12813 2016-02-26 Richard Biener <rguenther@suse.de>
12815 PR tree-optimization/69551
12816 * tree-ssa-structalias.c (get_constraint_for_ssa_var): When
12817 looking through aliases adjust DECL_PT_UID to refer to the
12818 ultimate alias target.
12820 2016-02-25 Martin Liska <mliska@suse.cz>
12822 PR middle-end/69919
12823 * alloc-pool.c (after_memory_report): New variable.
12824 * alloc-pool.h (base_pool_allocator ::release): Do not use
12825 the infrastructure if after_memory_report.
12826 * toplev.c (toplev::main): Mark after memory report.
12828 2016-02-25 Richard Biener <rguenther@suse.de>
12830 PR tree-optimization/48795
12831 * tree-vrp.c (check_array_ref): Use array_at_struct_end_p.
12833 2016-02-25 Ilya Verbin <ilya.verbin@intel.com>
12836 * config/gnu-user.h (CRTOFFLOADBEGIN): Define. Add crtoffloadbegin.o if
12837 offloading is enabled and -fopenacc or -fopenmp is specified.
12838 (CRTOFFLOADEND): Likewise.
12839 (GNU_USER_TARGET_STARTFILE_SPEC): Add CRTOFFLOADBEGIN.
12840 (GNU_USER_TARGET_ENDFILE_SPEC): Add CRTOFFLOADEND.
12841 * lto-wrapper.c (offloadbegin, offloadend): Remove static vars.
12842 (offload_objects_file_name): New static var.
12843 (tool_cleanup): Remove offload_objects_file_name file.
12844 (find_offloadbeginend): Replace with ...
12845 (find_crtoffloadtable): ... this.
12846 (run_gcc): Remove offload_argc and offload_argv.
12847 Get offload_objects_file_name from -foffload-objects=... option.
12848 Read names of object files with offload from this file, pass them to
12849 compile_images_for_offload_targets. Don't call find_offloadbeginend and
12850 don't pass offloadbegin and offloadend to the linker. Don't pass
12851 offload non-LTO files to the linker, because now they're not claimed.
12853 2016-02-25 Jan Hubicka <hubicka@ucw.cz>
12856 * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
12857 on builtin_unreachable.
12859 2016-02-25 Jakub Jelinek <jakub@redhat.com>
12861 PR rtl-optimization/69896
12862 * regcprop.c: Include cfgrtl.h.
12863 (copyprop_hardreg_forward_1): If noop_p insn uses narrower
12864 than remembered mode, either delete it (if noop_move_p), or
12865 treat like copy_p but not noop_p instruction.
12867 2016-02-24 Jakub Jelinek <jakub@redhat.com>
12870 * dwarf2out.c (gen_variable_die): Work around buggy LTO
12871 - allow NULL decl for Fortran DW_TAG_common_block variables.
12873 2016-02-24 Jason Merrill <jason@redhat.com>
12875 * common.opt (flifetime-dse): Add -flifetime-dse=1.
12877 2016-02-24 Richard Biener <rguenther@suse.de>
12878 Jakub Jelinek <jakub@redhat.com>
12880 PR middle-end/69760
12881 * tree-scalar-evolution.c (interpret_rhs_expr): Re-write
12882 conditionally executed ops to well-defined overflow behavior.
12884 2016-02-24 Jakub Jelinek <jakub@redhat.com>
12886 PR middle-end/69915
12887 * tree.c (build_vector_from_ctor): Fix handling of VECTOR_CST
12890 2016-02-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
12892 PR rtl-optimization/69886
12893 * gcse.c (can_assign_to_reg_without_clobbers_p): Accept mode
12894 argument. Use it when checking validity of set instructions.
12895 (want_to_gcse_p): Pass mode to can_assign_to_reg_without_clobbers_p.
12896 (compute_ld_motion_mems): Update can_assign_to_reg_without_clobbers_p
12898 * rtl.h (can_assign_to_reg_without_clobbers_p): Update prototype.
12899 * store-motion.c (find_moveable_store): Update
12900 can_assign_to_reg_without_clobbers_p callsite.
12902 2016-02-24 Richard Biener <rguenther@suse.de>
12904 PR middle-end/68963
12905 * tree-ssa-loop-niter.c (derive_constant_upper_bound_ops): Fix
12907 (record_nonwrapping_iv): Do not fall back to the low/high bound
12908 for non-constant IV bases if the stmt is not always executed.
12910 2016-02-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
12912 * config/arm/arm-cores.def (cortex-a32): New entry.
12913 * config/arm/arm-tables.opt: Regenerate.
12914 * config/arm/arm-tune.md: Regenerate.
12915 * config/arm/bpabi.h (BE8_LINK_SPEC): Add mcpu=cortex-a32.
12916 * config/arm/t-aprofile: Handle mcpu=cortex-a32.
12917 * doc/invoke.texi (ARM Options): Document cortex-a32 as value
12918 for -mcpu and -mtune.
12920 2016-02-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
12923 * config/arm/arm.h (TARGET_HAVE_LPAE): Define.
12924 * config/arm/unspecs.md (VUNSPEC_LDRD_ATOMIC): New value.
12925 * config/arm/sync.md (arm_atomic_loaddi2_ldrd): New pattern.
12926 (atomic_loaddi_1): Delete.
12927 (atomic_loaddi): Rewrite expander using the above changes.
12929 2016-02-24 Jakub Jelinek <jakub@redhat.com>
12932 * params.def (PARAM_MAX_SSA_NAME_QUERY_DEPTH): Bump default from
12935 2016-02-24 Jakub Jelinek <jakub@redhat.com>
12936 Richard Biener <rguenth@suse.de>
12938 PR middle-end/69909
12939 * expr.c (expand_expr_real_1) <normal_inner_ref>: Avoid
12940 set_mem_attributes if tem is SSA_NAME which got expanded
12943 2016-02-24 Richard Biener <rguenther@suse.de>
12945 PR tree-optimization/69907
12946 * tree-vect-stmts.c (vectorizable_load): Check for gaps at the
12947 end of permutations for BB vectorization.
12949 2016-02-24 Christian Bruel <christian.bruel@st.com>
12951 * config/arm/arm-c.c (arm_option_override): Initialize
12952 target_option_current_node.
12953 * config/arm/arm.c (arm_pragma_target_parse): Replace
12954 build_target_option_node call by target_option_current_node.
12955 Set target_option_current_node.
12958 2016-02-23 David Edelsohn <dje.gcc@gmail.com>
12961 * config/rs6000/rs6000.md (zero_extendqi<mode>2_dot): Convert from
12962 define_insn_and_split to define_insn.
12963 (zero_extendqi<mode>2_dot2): Same.
12964 (extendqi<mode>2_dot): Same.
12965 (extendqi<mode>2_dot2): Same.
12967 2016-02-23 Evandro Menezes <e.menezes@samsung.com>
12969 * config/arm/exynos-m1.md: Change cost of STP, fix bypass for stores
12970 and add bypass for AES{D,E} and AESMC pairs.
12971 * config/aarch64/aarch64.c (exynosm1_tunings): Enable fusion of AES{D,E}
12974 2016-02-23 Evandro Menezes <e.menezes@samsung.com>
12976 * config/aarch64/aarch64.c (exynosm1_tunings): Enable the Newton
12977 series for reciprocal square root in Exynos M1.
12979 2016-02-23 Martin Sebor <msebor@redhat.com>
12982 * doc/extend.texi (Other Builtins): Document __builtin_alloca and
12983 __builtin_alloca_with_align.
12985 2016-02-23 Richard Henderson <rth@redhat.com>
12987 * config/i386/i386-c.c (ix86_target_macros): Remove __SEG_TLS.
12988 (ix86_register_pragmas): Remove __seg_tls.
12989 * config/i386/i386-protos.h (ADDR_SPACE_SEG_TLS): Remove.
12990 * config/i386/i386.c (ix86_print_operand_address_as): Don't handle it.
12991 (ix86_addr_space_subset_p, TARGET_ADDR_SPACE_SUBSET_P): Remove.
12992 (ix86_addr_space_convert, TARGET_ADDR_SPACE_CONVERT): Remove.
12993 (ix86_addr_space_debug, TARGET_ADDR_SPACE_DEBUG): Remove.
12994 * doc/extend.texi (__seg_tls): Remove item.
12996 2016-02-23 Richard Biener <rguenther@suse.de>
12998 * alloc-pool.h (struct allocation_object): Make id member
12999 conditional on CHECKING_P again.
13000 (get_instance): Adjust.
13001 (base_pool_allocator): Likewise.
13003 2016-02-23 Thomas Schwinge <thomas@codesourcery.com>
13005 * tree-parloops.c (create_parallel_loop, gen_parallel_loop)
13006 (parallelize_loops): In OpenACC kernels mode, set n_threads to
13008 (pass_parallelize_loops::gate): In OpenACC kernels mode, gate on
13010 * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
13012 2016-02-23 Richard Biener <rguenther@suse.de>
13014 * mem-stats.h (struct mem_usage): Use PRIu64 for printing size_t.
13015 * bitmap.h (struct bitmap_usage): Likewise.
13016 (bitmap_move): Declare.
13017 * bitmap.c (register_overhead): Take size_t argument.
13018 (bitmap_move): New function.
13019 * df-problems.c (df_rd_transfer_function): Use bitmap_move
13020 to properly account overhead.
13021 * tree.c (free_node): Use tree_size.
13023 2016-02-23 Jakub Jelinek <jakub@redhat.com>
13026 * fold-const.c (fold_truth_not_expr): Propagate TREE_NO_WARNING
13027 when inverting comparison.
13030 * common.opt (Wunreachable-code): Add Warning flag.
13032 2016-02-23 Mark Wielaard <mjw@redhat.com>
13033 Jakub Jelinek <jakub@redhat.com>
13036 * cgraphunit.c (check_global_declaration): Check main_input_filename
13037 and DECL_SOURCE_FILE are not NULL.
13039 2016-02-23 Martin Jambor <mjambor@suse.cz>
13041 PR tree-optimization/69666
13042 * tree-sra.c (sra_modify_assign): Do not attempt to create
13043 default_def replacements for unscalarizable regions.
13045 2016-02-20 Mark Wielaard <mjw@redhat.com>
13048 * cgraphunit.c (check_global_declaration): Check level of
13049 warn_unused_const_variable and main_input_filename.
13050 * doc/invoke.texi (Warning Options): Add -Wunused-const-variable=.
13051 (-Wunused-variable): For C implies -Wunused-const-variable=1.
13052 (-Wunused-const-variable): Explain levels 1 and 2.
13054 2016-02-22 Jakub Jelinek <jakub@redhat.com>
13057 * config/i386/i386.c (decide_alg): Ensure we don't recurse with
13058 identical arguments. Formatting and spelling fixes.
13061 * doc/md.texi (ashl@var{m}3): Document that mode of operand 2 must
13066 * config/m68k/t-opts (OPTIONS_H_EXTRA): Add m68k-microarchs.def
13067 and m68k-devices.def.
13068 * config/c6x/t-c6x (OPTIONS_H_EXTRA): Add c6x-isas.def.
13069 * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add aarch64-arches.def.
13071 2016-02-22 Cesar Philippidis <cesar@codesourcery.com>
13073 * config/nvptx/nvptx.c (nvptx_gen_shuffle): Add support for QImode
13074 and HImode registers.
13076 2016-02-22 Richard Biener <rguenther@suse.de>
13078 PR tree-optimization/69882
13079 * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Properly
13080 preserve permutations present because of gaps.
13081 (vect_supported_load_permutation_p): Always continue checking
13082 permutations after vect_attempt_slp_rearrange_stmts.
13084 2016-02-22 Bin Cheng <bin.cheng@arm.com>
13086 * tree-vect-loop.c (vect_estimate_min_profitable_iters): Dump
13087 min_profitable_estimate, rather than min_profitable_iters.
13089 2016-02-22 Jakub Jelinek <jakub@redhat.com>
13092 * config/m68k/m68k.md (ashldi3, ashrdi3, lshrdi3): Use
13093 SImode for last match_operand.
13095 2016-02-22 Martin Liska <mliska@suse.cz>
13097 * hsa-gen.c (gen_hsa_clrsb): In case of zero value,
13098 return bitsize - 1 as the return value.
13100 2016-02-22 Oleg Endo <olegendo@gcc.gnu.org>
13104 * config/sh/sh.c (sh_lshrsi_clobbers_t_reg_p, sh_dynamicalize_shift_p):
13105 Handle negative shift counts.
13106 * config/sh/sh.md (ashlsi3, lshrsi3_n, lshrsi3_n_clobbers_t): Don't use
13107 force_reg on the shift constant.
13108 (lshrsi3): Likewise. Expand into lshrsi3_n* instead of lshrsi3_d.
13109 (lshrsi3_d): Handle negative shift counts.
13111 2016-02-22 Richard Biener <rguenther@suse.de>
13112 Tom de Vries <tom@codesourcery.com>
13114 * graph.c: Include dumpfile.h.
13115 (print_graph_cfg): Split into three overloads.
13116 * gdbhooks.py (class DotFn): Add and instantiate, adding command dot-fn.
13118 2016-02-22 Tom de Vries <tom@codesourcery.com>
13120 * gdbhooks.py (class DumpFn): Add and instantiate, adding command
13123 2016-02-22 Richard Biener <rguenther@suse.de>
13126 * ipa-inline-transform.c (inline_call): When not updating
13127 overall summaries adjust self size by the growth estimate.
13128 * ipa-inline.c (inline_to_all_callers_1): Add to the callers
13129 hash-set, do not update overall summaries here. Renamed from ...
13130 (inline_to_all_callers): ... this which is now wrapping the
13131 above and performing delayed overall summary update.
13132 (early_inline_small_functions): Delay updating of the overall
13135 2016-02-21 Markus Trippelsdorf <markus@trippelsdorf.de>
13137 * tree-chkp.c (chkp_mark_invalid_bounds_walker): Initialize
13140 2016-02-19 Jakub Jelinek <jakub@redhat.com>
13143 * gcc.c (LINK_COMMAND_SPEC, GOMP_SELF_SPECS): Use
13144 :%* in %:gt() argument.
13145 (greater_than_spec_func): Adjust for expecting only numbers,
13146 if there are more than two numbers, compare the last two.
13148 2016-02-19 Jonathan Wakely <jwakely@redhat.com>
13150 * doc/invoke.texi (C++ Dialect Options): Clarify interaction of
13151 -Wnarrowing with -std.
13153 2016-02-19 Jakub Jelinek <jakub@redhat.com>
13156 * expr.c (store_field): Don't use bit-field path if exp is
13157 COMPONENT_REF with TREE_ADDRESSABLE type, where TYPE_SIZE is
13158 different from bitsize, but DECL_SIZE of FIELD_DECL is bitsize
13159 and the assignment can be performed by bitwise copy. Formatting
13162 PR middle-end/69838
13163 * lra.c (lra_process_new_insns): If non-call exceptions are enabled,
13164 call copy_reg_eh_region_note_forward on before and/or after sequences
13165 and remove note from insn if it no longer can throw.
13168 * config/i386/sse.md (VI_512): Only include V64QImode and V32HImode
13169 if TARGET_AVX512BW.
13171 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
13173 * config/s390/vector.md: Add missing commutative operand markers
13174 to the patterns which qualify for one.
13175 * config/s390/vx-builtins.md: Likewise.
13177 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
13179 * config/s390/vector.md (VI, VI_QHS): Add single element vector
13180 types to mode iterators.
13181 (vec_double): ... and mode attribute.
13182 * config/s390/vx-builtins.md (non_vec_int): Likewise.
13184 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
13186 * config/s390/vector.md ("<ti*>add<mode>3", "<ti*>sub<mode>3"):
13187 Change the predicate of op2 from nonimmediate to general and let
13188 reload fix it if necessary.
13190 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
13192 * config/s390/vecintrin.h (vec_sub_u128): Define missing macro.
13194 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
13196 * config/s390/s390.c (s390_expand_vcond): Use the compare operand
13199 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
13201 * config/s390/s390-protos.h: Add s390_expand_vec_movstr prototype.
13202 * config/s390/s390.c (s390_expand_vec_movstr): New function.
13203 * config/s390/s390.md ("movstr<P:mode>"): Call
13204 s390_expand_vec_movstr.
13206 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
13208 * config/s390/s390.md: Add missing output modifier for operand 1
13209 to print it as address properly.
13211 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
13213 * config/s390/2827.md: Rename ooo_* insn attributes to zEC12_*.
13214 * config/s390/2964.md: New file.
13215 * config/s390/s390.c (s390_get_sched_attrmask): Use the right set
13216 of insn grouping attributes depending on the CPU level.
13217 (s390_get_unit_mask): New function.
13218 (s390_sched_score): Remove the OOO from the scheduling macros.
13219 Add loop to calculate a score for the instruction mix.
13220 (s390_sched_reorder): Likewise plus improve debug output.
13221 (s390_sched_variable_issue): Rename macros as above. Calculate
13222 the unit distances after actually scheduling an insn. Improve
13224 (s390_sched_init): Clear last_scheduled_unit_distance array.
13225 * config/s390/s390.md: Include 2964.md.
13227 2016-02-18 Jakub Jelinek <jakub@redhat.com>
13230 * config/i386/sse.md (*<floatsuffix>floatv2div2sf2_mask_1,
13231 *avx512vl_<code>v2div2qi2_mask_1, *avx512vl_<code><mode>v4qi2_mask_1,
13232 *avx512vl_<code><mode>v8qi2_mask_1, *avx512vl_<code><mode>v4hi2_mask_1,
13233 *avx512vl_<code>v2div2hi2_mask_1, *avx512vl_<code>v2div2si2_mask_1,
13234 *avx512f_<code>v8div16qi2_mask_1): New insns.
13236 2016-02-18 Michael Meissner <meissner@linux.vnet.ibm.com>
13239 * config/rs6000/predicates.md (fusion_gpr_addis): Revert
13242 * config/rs6000/rs6000.md (fusion_gpr_load_<mode>): Remove
13243 earlyclobber from target. Use wF constraint for fused memory
13245 (fusion_gpr_<P:mode>_<GPR_FUSION:mode>_load): Likewise.
13247 2016-02-18 Jakub Jelinek <jakub@redhat.com>
13248 Martin Liska <mliska@suse.cz>
13251 * cfgexpand.c (asan_sanitize_stack_p): New function.
13252 (partition_stack_vars): Use the function.
13253 (expand_stack_vars): Likewise.
13254 (defer_stack_allocation): Likewise.
13255 (expand_used_vars): Likewise.
13257 2016-02-18 Richard Biener <rguenther@suse.de>
13259 PR middle-end/69553
13260 * fold-const.c (operand_equal_p): Properly compare offsets for
13261 IMAGPART_EXPR and ARRAY_REF.
13263 2016-02-18 Nick Clifton <nickc@redhat.com>
13267 * config/arm/arm.c (arm_option_override_internal): Disable
13268 interworking if the target does not support thumb instructions.
13269 (arm_reload_in_hi): Handle the case where a register to register
13270 move needs reloading because there is no simple pattern to handle
13272 (arm_reload_out_hi): Likewise.
13274 2016-02-18 Richard Biener <rguenther@suse.de>
13276 PR middle-end/69854
13277 * match.pd: Don't use fold_binary or fold_unary for folding
13280 2016-02-17 Jakub Jelinek <jakub@redhat.com>
13283 * gimplify.c (gimplify_cond_expr): Call gimple_set_no_warning
13284 on the cond_stmt from TREE_NO_WARNING on COND_EXPR_COND.
13285 * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Don't
13286 warn on gimple_no_warning_p statements.
13288 2016-02-17 Jonathan Wakely <jwakely@redhat.com>
13290 * doc/extend.texi (C++ Attributes): Correct description of
13291 warn_unused type attribute.
13293 2016-02-17 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
13295 * config/rs6000/altivec.md (*altivec_lvxl_<mode>_internal): Output
13296 correct instruction.
13298 2016-02-17 Richard Biener <rguenther@suse.de>
13300 PR rtl-optimization/69609
13301 * bb-reorder.c (struct bbro_basic_block_data): Add priority member.
13302 (find_traces_1_round): When ending a trace update cached priority
13304 (bb_to_key): Use cached priority when available.
13305 (copy_bb): Initialize cached priority.
13306 (reorder_basic_blocks_software_trace_cache): Likewise.
13308 2016-02-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13311 * config/aarch64/predicates.md (aarch64_comparison_operator_mode):
13313 (aarch64_comparison_operator): Break overly long line into two.
13314 (aarch64_comparison_operation): Likewise.
13315 * config/aarch64/aarch64.md (cstorecc4): Use
13316 aarch64_comparison_operator_mode instead of
13317 aarch64_comparison_operator.
13318 (cstore<mode>4): Likewise.
13319 (aarch64_cstore<mode>): Likewise.
13320 (*cstoresi_insn_uxtw): Likewise.
13321 (cstore<mode>_neg): Likewise.
13322 (*cstoresi_neg_uxtw): Likewise.
13324 2016-02-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13327 * config/arm/predicates.md (arm_comparison_operator_mode):
13329 * config/arm/arm.md (*mov_scc): Use arm_comparison_operator_mode
13330 instead of arm_comparison_operator.
13331 (*mov_negscc): Likewise.
13332 (*mov_notscc): Likewise.
13333 * config/arm/thumb2.md (*thumb2_mov_scc): Likewise.
13334 (*thumb2_mov_negscc): Likewise.
13335 (*thumb2_mov_negscc_strict_it): Likewise.
13336 (*thumb2_mov_notscc): Likewise.
13337 (*thumb2_mov_notscc_strict_it): Likewise.
13339 2016-02-17 Wilco Dijkstra <wdijkstr@arm.com>
13341 * config/aarch64/aarch64.c (aarch64_internal_mov_immediate):
13342 Add missing return.
13344 2016-02-17 Eric Botcazou <ebotcazou@adacore.com>
13346 * config/visium/visium.c (machine_libfunc_index): New enum.
13347 (machine_libfuncs): New structure.
13348 (visium_libfuncs): New static variable.
13349 (TARGET_INIT_LIBFUNCS): Define to...
13350 (visium_init_libfuncs): ...this. New function.
13351 (expand_block_move_4): Use the appropriate libfunc.
13352 (expand_block_move_2): Likewise.
13353 (expand_block_move_1): Likewise.
13354 (expand_block_set_4): Likewise.
13355 (expand_block_set_2): Likewise.
13356 (expand_block_set_1): Likewise.
13357 (visium_trampoline_init): Likewise.
13359 2016-02-17 Nick Clifton <nickc@redhat.com>
13361 * config/msp430/msp430.c (msp430_mcu_data): Sync with data from
13362 TI's devices.csv file as of March 2016.
13364 2016-02-16 Kelvin Nilsen <kelvin@gcc.gnu.org>
13367 * opts-global.c (handle_common_deferred_options): Introduce and
13368 initialize two global variables to remember command-line options
13369 specifying a stack-limiting register.
13370 * opts.h: Add extern declarations of the two new global variables.
13371 * emit-rtl.c (init_emit_once): Initialize the stack_limit_rtx
13372 variable based on the values of the two new global variables.
13374 2016-02-16 Jakub Jelinek <jakub@redhat.com>
13377 * common.opt (Wnonnull-compare): New warning.
13378 * doc/invoke.texi (-Wnonnull): Remove text about comparison
13379 of arguments against NULL.
13380 (-Wnonnull-compare): Document.
13381 * Makefile.in (OBJS): Add gimple-ssa-nonnull-compare.o.
13382 * tree-pass.h (make_pass_warn_nonnull_compare): Declare.
13383 * passes.def (pass_warn_nonnull_compare): Add.
13384 * gimple-ssa-nonnull-compare.c: New file.
13386 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
13388 * config/aarch64/aarch64.c (cortexa57_tunings): Remove
13389 AARCH64_EXTRA_TUNE_RECIP_SQRT.
13391 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
13393 * config/aarch64/aarch64.c (use_rsqrt_p): Always use software
13394 reciprocal sqrt for -mlow-precision-recip-sqrt.
13396 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
13397 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
13399 * config/aarch64/aarch64.c (aarch64_expand_vector_init): Refactor,
13400 always use lane loads to construct non-constant vectors.
13402 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
13404 * config/aarch64/aarch64.md
13405 (arch64_sqrdml<SQRDMLH_AS:rdma_as>h_lane<mode>): Fix register
13406 constraints for operand 3.
13407 (aarch64_sqrdml<SQRDMLH_AS:rdma_as>h_laneq<mode>): Likewise.
13409 2016-02-16 Jakub Jelinek <jakub@redhat.com>
13410 Richard Biener <rguenther@suse.de>
13412 PR tree-optimization/69820
13413 * tree-vect-patterns.c (type_conversion_p): Return false if
13414 *orig_type is unsigned single precision or boolean.
13415 (vect_recog_dot_prod_pattern, vect_recog_widen_mult_pattern):
13418 2016-02-16 Jakub Jelinek <jakub@redhat.com>
13420 PR rtl-optimization/69764
13421 PR rtl-optimization/69771
13422 * optabs.c (expand_binop): Ensure for shift optabs invalid CONST_INT
13423 op1 is valid for GET_MODE_INNER (mode) and force it into a reg.
13425 2016-02-16 Richard Biener <rguenther@suse.de>
13427 PR tree-optimization/69776
13428 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Get alias
13430 (indirect_refs_may_alias_p): Likewise.
13431 (refs_may_alias_p_1): Pass alias sets as from ao_ref.
13432 * tree-ssa-sccvn.c (vn_reference_lookup): Also adjust vr alias-set
13433 according to tbaa_p.
13434 * tree-ssa-dom.c (lookup_avail_expr): Add tbaa_p flag.
13435 (optimize_stmt): For redundant store discovery do not allow tbaa.
13437 2016-02-16 Bernd Schmidt <bschmidt@redhat.com>
13439 PR tree-optimization/69714
13440 * tree-ssa-math-opts.c (find_bswap_or_nop): Revert previous change.
13441 Return NULL if we have irrelevant high bytes on BIG_ENDIAN.
13443 2016-02-16 Claudiu Zissulescu <claziss@synopsys.com>
13445 * config/arc/arc-modes.def (CC_FPU, CC_FPU_UNEQ): New modes.
13446 * config/arc/arc-opts.h (FPU_SP, FPU_SF, FPU_SC, FPU_SD, FPU_DP)
13447 (FPU_DF, FPU_DC, FPU_DD, FXP_DP): Define.
13448 * config/arc/arc.c (arc_init): Check FPU options.
13449 (get_arc_condition_code): Handle new CC_FPU* modes.
13450 (arc_select_cc_mode): Likewise.
13451 (arc_conditional_register_usage): Allow 64 bit datum into even-odd
13452 register pair only. Allow access for ARCv2 accumulator.
13453 (gen_compare_reg): Whenever we have FPU support use FPU compare
13455 (arc_reorg): Don't generate brcc insns when FPU compare
13456 instructions are involved.
13457 * config/arc/arc.h (TARGET_DPFP): Add TARGET_FP_DPAX condition.
13458 (TARGET_OPTFPE): Add condition when ARC EM can use optimized
13459 floating point emulation.
13460 (ACC_REG_FIRST, ACC_REG_LAST, ACCL_REGNO, ACCH_REGNO): Define.
13461 (REVERSE_CONDITION): Add new CC_FPU* modes.
13462 (TARGET_FP_SP_BASE): Define.
13463 (TARGET_FP_DP_BASE): Likewise.
13464 (TARGET_FP_SP_FUSED): Likewise.
13465 (TARGET_FP_DP_FUSED): Likewise.
13466 (TARGET_FP_SP_CONV): Likewise.
13467 (TARGET_FP_DP_CONV): Likewise.
13468 (TARGET_FP_SP_SQRT): Likewise.
13469 (TARGET_FP_DP_SQRT): Likewise.
13470 (TARGET_FP_DP_AX): Likewise.
13471 * config/arc/arc.md (ARCV2_ACC): New constant.
13472 (type): New fpu type attribute.
13473 (SDF): Conditional iterator.
13474 (cstore<mode>, cbranch<mode>): Change expand condition.
13475 (addsf3, subsf3, mulsf3, adddf3, subdf3, muldf3): New expands,
13476 handles FPU/FPX cases as well.
13477 * config/arc/arc.opt (mfpu): New option.
13478 * config/arc/fpx.md (addsf3_fpx, subsf3_fpx, mulsf3_fpx):
13480 (adddf3, muldf3, subdf3): Removed.
13481 * config/arc/predicates.md (proper_comparison_operator): Recognize
13483 * config/arc/fpu.md: New file.
13484 * doc/invoke.texi (ARC Options): Document mfpu option.
13486 2016-02-16 Richard Biener <rguenther@suse.de>
13488 PR rtl-optimization/69291
13489 * ifcvt.c (noce_try_store_flag_constants): Re-instantiate
13490 noce_operand_ok check.
13492 2016-02-16 Tom de Vries <tom@codesourcery.com>
13495 * omp-low.c (simd_clone_create): Remove call to
13496 symtab->call_cgraph_insertion_hooks.
13498 2016-02-16 Jakub Jelinek <jakub@redhat.com>
13500 PR tree-optimization/69802
13501 * tree-ssa-reassoc.c (update_range_test): If op is
13502 SSA_NAME_IS_DEFAULT_DEF, give up unless tem is a positive
13503 op == 1 test of precision 1 integral op, otherwise handle
13504 that case as op itself. Fix up formatting.
13505 (optimize_range_tests_to_bit_test, optimize_range_tests): Fix
13508 2016-02-16 Richard Biener <rguenther@suse.de>
13510 PR tree-optimization/69586
13511 * tree-vrp.c (register_edge_assert_for_2): Handle all integral
13512 types for conversion sources.
13514 2016-02-16 Richard Biener <rguenther@suse.de>
13516 PR middle-end/69801
13517 * fold-const.c (operand_equal_p): For COND_EXPR zero operand
13518 mask OEP_ADDRESS_OF.
13520 2016-02-16 Alan Modra <amodra@gmail.com>
13523 * config/rs6000/rs6000.md (reload_vsx_from_gprsf): Rewrite splitter.
13524 (p8_mtvsrd_df, p8_mtvsrd_sf): New.
13525 (p8_mtvsrd_1, p8_mtvsrd_2): Delete.
13527 (p8_mtvsrwz_1, p8_mtvsrwz_2): Delete.
13528 (p8_xxpermdi_<mode>): Take two DF inputs rather than one TF.
13529 (p8_fmrgow_<mode>): Likewise.
13530 (reload_vsx_from_gpr<mode>): Make clobber IF. Adjust for above
13532 (reload_fpr_from_gpr<mode>): Similarly. Use "d" for op0 constraint.
13533 (reload_vsx_from_gprsf): Use p8_mtvsrd_sf rather than attempting
13534 to use movdi_internal64. Remove op0_di.
13535 * config/rs6000/vsx.md (vsx_xscvspdpn_directmove): Make op1 SFmode.
13537 2016-02-15 Evandro Menezes <e.menezes@samsung.com>
13539 Add support for the FCCMP insn types
13541 * config/aarch64/aarch64.md (fccmp): Change insn type.
13542 (fccmpe): Likewise.
13543 * config/aarch64/thunderx.md (thunderx_fcmp): Add "fccmp{s,d}" types.
13544 * config/arm/cortex-a53.md (cortex_a53_fpalu): Likewise.
13545 * config/arm/cortex-a57.md (cortex_a57_fp_cmp): Likewise.
13546 * config/arm/xgene1.md (xgene1_fcmp): Likewise.
13547 * config/arm/exynos-m1.md (exynos_m1_fp_ccmp): New insn reservation.
13548 * config/arm/types.md (fccmps): Add new insn type.
13549 (fccmpd): Likewise.
13551 2016-02-15 Bernd Edlinger <bernd.edlinger@hotmail.de>
13553 * alias.c (get_alias_set): Fix a typo in comment.
13555 2016-02-15 Richard Biener <rguenther@suse.de>
13557 PR tree-optimization/69595
13558 * match.pd: Complete range test simplification to true.
13560 2016-02-15 Bernd Schmidt <bschmidt@redhat.com>
13562 PR rtl-optimization/69648
13563 * lra-constraints.c (update_ebb_live_info): Don't remove sets of
13564 pic_offset_table_rtx.
13566 PR rtl-optimization/69752
13567 * ira.c (update_equiv_regs): When looking for more than a single SET,
13568 also take other side effects into account.
13570 2016-02-15 Marcin Kościelnicki <koriakin@0x04.net>
13572 * config/s390/s390.c (s390_function_profiler): Add a new sequence
13573 for z900+ CPUs in 31-bit mode.
13575 2016-02-15 Marcin Kościelnicki <koriakin@0x04.net>
13577 * common/config/s390/s390-common.c (s390_supports_split_stack):
13579 (TARGET_SUPPORTS_SPLIT_STACK): New macro.
13580 * config/s390/s390-protos.h: Add s390_expand_split_stack_prologue.
13581 * config/s390/s390.c (struct machine_function): New field
13582 split_stack_varargs_pointer.
13583 (s390_register_info): Mark r12 as clobbered if it'll be used as temp
13584 in s390_emit_prologue.
13585 (s390_emit_prologue): Use r12 as temp if r1 is taken by split-stack
13587 (morestack_ref): New global.
13588 (SPLIT_STACK_AVAILABLE): New macro.
13589 (s390_expand_split_stack_prologue): New function.
13590 (s390_live_on_entry): New function.
13591 (s390_va_start): Use split-stack vararg pointer if appropriate.
13592 (s390_asm_file_end): Emit the split-stack note sections.
13593 (TARGET_EXTRA_LIVE_ON_ENTRY): New macro.
13594 * config/s390/s390.md (UNSPEC_STACK_CHECK): New unspec.
13595 (UNSPECV_SPLIT_STACK_CALL): New unspec.
13596 (UNSPECV_SPLIT_STACK_DATA): New unspec.
13597 (split_stack_prologue): New expand.
13598 (split_stack_space_check): New expand.
13599 (split_stack_data): New insn.
13600 (split_stack_call): New expand.
13601 (split_stack_call_*): New insn.
13602 (split_stack_cond_call): New expand.
13603 (split_stack_cond_call_*): New insn.
13605 2016-02-15 Richard Biener <rguenther@suse.de>
13607 PR tree-optimization/69783
13608 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
13609 Add trivially correct cases.
13611 2016-02-15 Tom de Vries <tom@codesourcery.com>
13614 * lto-cgraph.c (input_offload_tables): Add and handle bool parameter
13616 * lto-streamer.h (input_offload_tables): Add and handle bool parameter.
13618 2016-02-15 Richard Biener <rguenther@suse.de>
13620 PR tree-optimization/69776
13621 * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
13622 * tree-ssa-sccvn.c (vn_reference_lookup): Add parameter to
13623 indicate whether we can use TBAA to disambiguate against stores.
13624 Use alias-set zero if not.
13625 (visit_reference_op_store): Do not use TBAA when looking up
13627 * tree-ssa-pre.c (compute_avail): Use TBAA here.
13628 (eliminate_dom_walker::before_dom_children): But not when looking
13629 up redundant stores.
13631 2016-02-14 John David Anglin <danglin@gcc.gnu.org>
13633 * config/pa/pa.md (absqi2, absghi2, bswaphi2, bswapsi2, bswapdi2): New.
13635 2016-02-14 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
13637 * config/i386/znver1.md
13638 (znver1_pop, znver1_pop_mem,
13639 znver1_load_imov_double_store,
13640 znver1_load_imov_direct_store,
13641 znver1_load_imov_direct_load,
13642 znver1_load_imov_double_load): Add new.
13643 (znver1_insn, znver1_insn_load): Add icmov type.
13644 (znver1_sseavx_fma,
13645 znver1_sseavx_fma_load,
13647 znver1_avx256_fma_load): Fix pipe usage.
13649 2016-02-14 Alan Modra <amodra@gmail.com>
13652 * reloads.c (find_reloads_address_1): For pre/post-inc/dec
13653 with an invalid hard reg, reload just the reg not the entire
13654 pre/post-inc/dec address expression.
13656 2016-02-13 Oleg Endo <olegendo@gcc.gnu.org>
13659 * config/sh/sh.md (sibcall_value_pcrel): Replace =&k scratch reg with
13660 fixed R1_REG scratch reg.
13661 (sibcall_value_pcrel_fdpic): Likewise.
13663 2016-02-13 Oleg Endo <olegendo@gcc.gnu.org>
13667 * config/sh/sh.md (*zero_extract_3): New insn_and_split pattern.
13669 2016-02-12 Walter Lee <walt@tilera.com>
13671 * config/tilepro/t-tilepro: Replace CC_FOR_BUILD with CXX_FOR_BUILD.
13672 * config/tilegx/t-tilegx: Likewise.
13674 2016-02-12 David Malcolm <dmalcolm@redhat.com>
13677 * diagnostic-show-locus.c (struct line_span): New struct.
13678 (layout::get_first_line): Delete.
13679 (layout::get_last_line): Delete.
13680 (layout::get_num_line_spans): New member function.
13681 (layout::get_line_span): Likewise.
13682 (layout::print_heading_for_line_span_index_p): Likewise.
13683 (layout::get_expanded_location): Likewise.
13684 (layout::calculate_line_spans): Likewise.
13685 (layout::m_first_line): Delete.
13686 (layout::m_last_line): Delete.
13687 (layout::m_line_spans): New field.
13688 (layout::layout): Update comment. Replace m_first_line and
13689 m_last_line with m_line_spans, replacing their initialization
13690 with a call to calculate_line_spans.
13691 (diagnostic_show_locus): When printing source lines and
13692 annotations, rather than looping over a single span
13693 of lines, instead loop over each line_span within
13694 the layout, with an inner loop over the lines within them.
13695 Call the context's start_span callback when changing line spans.
13696 * diagnostic.c (diagnostic_initialize): Initialize start_span.
13697 (diagnostic_build_prefix): Break out the building of the location
13698 part of the string into...
13699 (diagnostic_get_location_text): ...this new function, rewriting
13700 it from nested ternary expressions to a sequence of "if"
13702 (default_diagnostic_start_span_fn): New function.
13703 * diagnostic.h (diagnostic_start_span_fn): New typedef.
13704 (diagnostic_context::start_span): New field.
13705 (default_diagnostic_start_span_fn): New prototype.
13707 2016-02-12 David Malcolm <dmalcolm@redhat.com>
13710 * gcc.c (driver::finalize): Fix cleanup of "specs".
13712 2016-02-12 David Malcolm <dmalcolm@redhat.com>
13716 * gcc.c (driver::driver): Initialize m_option_suggestions.
13717 (driver::~driver): Clean up m_option_suggestions.
13718 (suggest_option): Convert to...
13719 (driver::suggest_option): ...this, and split out into
13720 driver::build_option_suggestions and find_closest_string.
13721 (driver::build_option_suggestions): New function, from
13722 first half of suggest_option. Special-case
13723 OPT_fsanitize_ and OPT_fsanitize_recover_, making use of
13724 the sanitizer_opts array. For options of enum types, add the
13725 various enum values to the candidate strings.
13726 (driver::handle_unrecognized_options): Remove "const".
13727 * gcc.h (driver::handle_unrecognized_options): Likewise.
13728 (driver::build_option_suggestions): New decl.
13729 (driver::suggest_option): New decl.
13730 (driver::m_option_suggestions): New field.
13731 * opts-common.c (add_misspelling_candidates): New function.
13732 * opts.c (sanitizer_opts): Remove decl of struct sanitizer_opts_s
13733 and make non-static.
13734 * opts.h (sanitizer_opts): New array decl.
13735 (add_misspelling_candidates): New function decl.
13736 * spellcheck.c (find_closest_string): New function.
13737 * spellcheck.h (find_closest_string): New function decl.
13739 2016-02-12 Jakub Jelinek <jakub@redhat.com>
13741 PR rtl-optimization/69764
13742 PR rtl-optimization/69771
13743 * optabs.c (expand_binop_directly): For shift_optab_p, force
13744 convert_modes with VOIDmode if xop1 has VOIDmode.
13746 2016-02-12 Ilya Enkovich <enkovich.gnu@gmail.com>
13749 * lto-streamer-out.c (lto_output): Use thunk.add_pointer_bounds_args
13750 to correctly determine instrumentation thunks.
13752 2016-02-12 Jakub Jelinek <jakub@redhat.com>
13755 * ipa-split.c (split_function): If split part returns TREE_ADDRESSABLE
13756 type by reference, force lhs on the call.
13759 * ipa-split.c (split_function): Don't compute/use main_part_return_p.
13760 Compute retval and retbnd early in all cases if split_part_return_p
13761 and return_bb is not EXIT. Remove all clobber stmts and reset
13762 all debug stmts that refer to SSA_NAMEs defined in split part,
13763 except if it is retval, in that case replace the old retval with the
13764 lhs of the call to the split part.
13766 2016-02-12 Kugan Vivekanandarajah <kuganv@linaro.org>
13769 2016-02-12 Kugan Vivekanandarajah <kuganv@linaro.org>
13771 PR middle-end/66726
13772 * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
13773 whose result is used in PHI.
13774 (maybe_optimize_range_tests): Likewise.
13775 (final_range_test_p): Likweise.
13777 2016-02-12 Kugan Vivekanandarajah <kuganv@linaro.org>
13779 PR middle-end/66726
13780 * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
13781 whose result is used in PHI.
13782 (maybe_optimize_range_tests): Likewise.
13783 (final_range_test_p): Likweise.
13785 2016-02-12 Jakub Jelinek <jakub@redhat.com>
13787 * cgraph.c: Spelling fixes - behaviour -> behavior and
13788 neighbour -> neighbor.
13789 * target.def: Likewise.
13790 * sel-sched.c: Likewise.
13791 * config/mips/mips.c: Likewise.
13792 * config/arc/arc.md: Likewise.
13793 * config/arm/cortex-a57.md: Likewise.
13794 * config/arm/arm.c: Likewise.
13795 * config/arm/neon.md: Likewise.
13796 * config/arm/arm-c.c: Likewise.
13797 * config/vms/vms-c.c: Likewise.
13798 * config/s390/s390.c: Likewise.
13799 * config/i386/znver1.md: Likewise.
13800 * config/i386/i386.c: Likewise.
13801 * config/ia64/hpux-unix2003.h: Likewise.
13802 * config/msp430/msp430.md: Likewise.
13803 * config/rx/rx.c: Likewise.
13804 * config/rx/rx.md: Likewise.
13805 * config/aarch64/aarch64-simd.md: Likewise.
13806 * config/aarch64/aarch64.c: Likewise.
13807 * config/nvptx/nvptx.c: Likewise.
13808 * config/bfin/bfin.c: Likewise.
13809 * config/cris/cris.opt: Likewise.
13810 * config/rs6000/rs6000.c: Likewise.
13811 * target.h: Likewise.
13812 * spellcheck.c: Likewise.
13813 * ira-build.c: Likewise.
13814 * tree-inline.c: Likewise.
13815 * builtins.c: Likewise.
13816 * lra-constraints.c: Likewise.
13817 * explow.c: Likewise.
13818 * hwint.h: Likewise.
13819 * targhooks.c: Likewise.
13820 * tree-vect-data-refs.c: Likewise.
13821 * expr.c: Likewise.
13822 * doc/tm.texi: Likewise.
13823 * doc/extend.texi: Likewise.
13824 * doc/install.texi: Likewise.
13825 * doc/md.texi: Likewise.
13826 * tree-ssa-tail-merge.c: Likewise.
13827 * sched-int.h: Likewise.
13828 * match.pd: Likewise.
13829 * sched-ebb.c: Likewise.
13830 * target.def (omit_struct_return_reg): Likewise.
13831 * gimple-ssa-isolate-paths.c: Likewise.
13832 (find_implicit_erroneous_behaviour): Renamed to...
13833 (find_implicit_erroneous_behavior): ... this.
13834 (find_explicit_erroneous_behaviour): Renamed to...
13835 (find_explicit_erroneous_behavior): ... this.
13836 (gimple_ssa_isolate_erroneous_paths): Adjust caller.
13838 2016-02-11 Segher Boessenkool <segher@kernel.crashing.org>
13840 PR rtl-optimization/64682
13841 PR rtl-optimization/69567
13842 PR rtl-optimization/69737
13843 * combine.c (distribute_notes) <REG_DEAD>: If the register is set
13844 in I2 as well, just lose it.
13846 2016-02-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13848 * config/aarch64/aarch64.c (aarch64_last_printed_arch_string):
13850 (aarch64_last_printed_tune_string): Likewise.
13851 (aarch64_declare_function_name): Only output .arch assembler
13852 directive if it will be different from the previously output
13853 directive. Same for .tune comment but only if -dA is set.
13854 (aarch64_start_file): New function.
13855 (TARGET_ASM_FILE_START): Define.
13857 2016-02-11 David Malcolm <dmalcolm@redhat.com>
13860 * Makefile.in (PLUGIN_HEADERS): Add params.list.
13862 2016-02-11 Jakub Jelinek <jakub@redhat.com>
13865 * tree-vect-slp.c (vect_schedule_slp_instance): Avoid
13866 -Wmaybe-uninitialized warning.
13868 2016-02-11 Oleg Endo <olegendo@gcc.gnu.org>
13871 * config/sh/sh.md (casesi_worker_0): Add T_REG use.
13873 2016-02-11 Richard Biener <rguenther@suse.de>
13875 PR rtl-optimization/69291
13876 * ifcvt.c (noce_try_store_flag_constants): Do not allow
13877 subexpressions affected by changing the result.
13879 2016-02-10 Vladimir Makarov <vmakarov@redhat.com>
13882 * lra-constraints.c (curr_insn_transform): Find in/out operands
13883 for secondary memory moves. Update dups.
13885 2016-02-10 Yuri Rumyantsev <ysrumyan@gmail.com>
13887 PR tree-optimization/69652
13888 * tree-vect-loop.c (optimize_mask_stores): Move declaration of STMT1
13889 to nested loop, did source re-formatting, skip debug statements,
13890 add check on statement with volatile operand, remove dead scalar
13893 2016-02-10 Jakub Jelinek <jakub@redhat.com>
13894 Patrick Palka <ppalka@gcc.gnu.org>
13898 * gimplify.c (gimplify_modify_expr): Set lhs even for noreturn
13899 calls if the return type is TREE_ADDRESSABLE.
13900 * cgraphunit.c (cgraph_node::expand_thunk): Likewise.
13901 * ipa-split.c (split_function): Fix doubled "we" in comment.
13902 Use void return type for the split part even if
13903 !split_point->split_part_set_retval.
13905 2016-02-10 Bin Cheng <bin.cheng@arm.com>
13907 PR tree-optimization/68021
13908 * tree-ssa-loop-ivopts.c (get_computation_aff): Set ratio to 1 if
13909 when computing the value of biv cand by itself.
13911 2016-02-10 Wilco Dijkstra <wdijkstr@arm.com>
13913 * config/aarch64/aarch64.c (cortexa53_tunings): Enable AES fusion.
13914 (cortexa57_tunings): Likewise.
13915 (cortexa72_tunings): Likewise.
13916 (arch_macro_fusion_pair_p): Add support for AES fusion.
13917 * config/aarch64/aarch64-fusion-pairs.def: Add AES_AESMC entry.
13918 * config/arm/aarch-common.c (aarch_crypto_can_dual_issue):
13919 Allow virtual registers before reload so early scheduling works.
13920 * config/arm/cortex-a57.md (cortex_a57_crypto_simple): Use
13921 correct latency and pipeline.
13922 (cortex_a57_crypto_complex): Likewise.
13923 (cortex_a57_crypto_xor): Likewise.
13924 (define_bypass): Add AES bypass.
13926 2016-02-10 Richard Biener <rguenther@suse.de>
13928 PR tree-optimization/69726
13929 * passes.def: Add DCE pass before late uninit.
13930 * match.pd: Add A ? B : (!A ? C : X) -> A ? B : C patterns to
13931 really fixup if-conversions job.
13933 2016-02-10 Wilco Dijkstra <wdijkstr@arm.com>
13935 * config/arm/arm.c (arm_cortex_a53_tune): Enable AES fusion.
13936 (arm_cortex_a57_tune): Likewise.
13937 (aarch_macro_fusion_pair_p): Add support for AES fusion.
13938 * config/arm/arm-protos.h (fuse_ops): Add FUSE_AES_AESMC.
13940 2016-02-10 Eric Botcazou <ebotcazou@adacore.com>
13942 * timevar.def (TV_PHASE_DBGINFO): Delete.
13943 (TV_PHASE_CHECK_DBGINFO): Likewise.
13944 * varpool.c (varpool_node::assemble_decl): Do not change timevar.
13946 2016-02-10 Richard Biener <rguenther@suse.de>
13948 PR tree-optimization/69719
13949 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
13950 Adjust previous fix by ensuring that dr_a1 is left of dr_a2.
13952 2016-02-09 Andrew Pinski <apinski@cavium.com>
13955 * optabs-tree.c (expand_vec_cond_expr_p): Don't early return if
13956 get_vcond_mask_icode returns false.
13958 2016-02-09 Michael Meissner <meissner@linux.vnet.ibm.com>
13961 * config/rs6000/predicates.md (fusion_gpr_addis): Prevent fusing
13962 an ADDIS that adds a pointer to a large constant that sets the
13963 upper16 bits with a load operation.
13965 2016-02-09 Charles Baylis <charles.baylis@linaro.org>
13968 * config/arm/arm.c (arm_evpc_neon_vzip): Allow for big endian lane
13970 * config/arm/arm_neon.h (vzipq_s8): Adjust shuffle patterns for big
13972 (vzipq_s16): Likewise.
13973 (vzipq_s32): Likewise.
13974 (vzipq_f32): Likewise.
13975 (vzipq_u8): Likewise.
13976 (vzipq_u16): Likewise.
13977 (vzipq_u32): Likewise.
13978 (vzipq_p8): Likewise.
13979 (vzipq_p16): Likewise.
13981 2016-02-09 Charles Baylis <charles.baylis@linaro.org>
13984 * config/arm/arm.c (neon_endian_lane_map): New function.
13985 (neon_vector_pair_endian_lane_map): New function.
13986 (arm_evpc_neon_vuzp): Allow for big endian lane order.
13987 * config/arm/arm_neon.h (vuzpq_s8): Adjust shuffle patterns for big
13989 (vuzpq_s16): Likewise.
13990 (vuzpq_s32): Likewise.
13991 (vuzpq_f32): Likewise.
13992 (vuzpq_u8): Likewise.
13993 (vuzpq_u16): Likewise.
13994 (vuzpq_u32): Likewise.
13995 (vuzpq_p8): Likewise.
13996 (vuzpq_p16): Likewise.
13998 2016-02-11 Alexandre Oliva <aoliva@redhat.com>
14001 * regstat.c (regstat_bb_compute_calls_crossed): Disregard
14004 2016-02-09 Uros Bizjak <ubizjak@gmail.com>
14006 * config/i386/i386.md (insv<mode>_1): Use gen_int_mode to
14007 truncate const_int operand 1 to QImode.
14009 2016-02-09 Eric Botcazou <ebotcazou@adacore.com>
14011 * gimple-ssa-backprop.c (optimize_phi): Do not replace an argument
14012 corresponding to an abnormal edge.
14014 2016-02-09 Tom de Vries <tom@codesourcery.com>
14016 PR tree-optimization/69599
14017 * tree-ssa-structalias.c (fndecl_maybe_in_other_partition): New
14019 (find_func_aliases_for_builtin_call, find_func_clobbers)
14020 (ipa_pta_execute): Handle case that foo and foo._0 are not in same lto
14023 2016-02-09 Richard Biener <rguenther@suse.de>
14025 PR tree-optimization/69715
14026 * tree-ssa.c (execute_update_addresses_taken): Mark non-decl
14027 LHS on calls as non-rewritable.
14029 2016-02-09 Tom de Vries <tom@codesourcery.com>
14032 * lto-wrapper.c (append_diag_options): New function.
14033 (compile_offload_image): Call append_diag_options.
14035 2016-02-08 Sandra Loosemore <sandra@codesourcery.com>
14038 * doc/extend.texi (Flag Output Operands): Correct sectioning.
14039 Minor copy-edit to fix verb tenses.
14041 2016-02-08 Jakub Jelinek <jakub@redhat.com>
14043 PR tree-optimization/69209
14044 * ipa-split.c (split_function): If split part is not
14045 returning retval, retval has gimple type but is not
14046 gimple value, force it into a SSA_NAME first.
14048 2016-02-08 Nicklas Bo Jensen <nbjensen@gmail.com>
14050 * doc/tree-ssa.texi (Preserving the virtual SSA form): Remove
14053 2016-02-08 Jason Merrill <jason@redhat.com>
14056 * convert.c (convert_to_integer_1): Check dofold on truncation
14058 (convert_to_pointer_maybe_fold, convert_to_real_maybe_fold)
14059 (convert_to_integer_maybe_fold, convert_to_complex_maybe_fold):
14060 Rename from *_nofold.
14061 * convert.h (convert_to_pointer_nofold, convert_to_integer_nofold)
14062 (convert_to_real_nofold, convert_to_complex_nofold): New inlines.
14064 2016-02-08 Bernd Schmidt <bschmidt@redhat.com>
14067 * tree.c (build_common_tree_nodes): Remove short_double argument.
14068 All callers changed.
14069 * tree.h (build_common_tree_nodes): Adjust declaration.
14070 * doc/invoke.texi (-fshort-double): Remove documentation.
14071 * config/mips/t-img-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
14072 MULTILIB_EXCEPTIONS): Remove -fshort-double variant.
14073 * lto-wrapper.c (merge_and_complain, append_compiler_options)
14074 (append_linker_options): Don't handle OPT_fshort_double.
14076 PR rtl-optimization/68730
14077 * lra-remat.c (insn_to_cand_activation): New static variable.
14078 (lra_remat): Allocate and free it.
14079 (create_cand): New arg activation. Initialize a field in
14080 insn_to_cand_activation if it is nonnull.
14081 (create_cands): Pass the activation insn to create_cand when making
14082 a candidate involving an output reload. Reorganize code a little.
14083 (do_remat): Keep track of active status of candidates in a separate
14086 2016-02-08 Richard Biener <rguenther@suse.de>
14088 PR tree-optimization/69719
14089 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
14090 Properly use absolute of the difference of the two offsets to
14091 compare or adjust the segment length.
14093 2016-02-08 Richard Biener <rguenther@suse.de>
14094 Jeff Law <law@redhat.com>
14097 * tree-ssanames.c (make_ssa_name_fn): Always use unqualified
14098 types for anonymous SSA names.
14100 2016-02-08 Richard Biener <rguenther@suse.de>
14102 PR rtl-optimization/69274
14103 * ira.c (ira_setup_alts): Do not change recog_data.operand order.
14105 2016-02-08 Jeff Law <law@redhat.com>
14107 PR tree-optimization/65917
14108 * tree-ssa-dom.c (record_temporary_equivalences): Record both
14109 equivalences from if (x == y) style conditionals.
14110 (loop_depth_of_name): Remove.
14111 (record_equality): Remove loop depth check.
14112 * tree-ssa-scopedtables.h (const_and_copies): Refine comments.
14113 (const_and_copies::record_const_or_copy_raw): New member function.
14114 * tree-ssa-scopedtables.c
14115 (const_and_copies::record_const_or_copy_raw): New, factored out of
14116 (const_and_copies::record_const_or_copy): Call new member function.
14118 2016-02-05 Jeff Law <law@redhat.com>
14120 PR tree-optimization/68541
14121 * gimple-ssa-split-paths.c: Include tree-cfg.h and params.h.
14122 (count_stmts_in_block): New function.
14123 (poor_ifcvt_candidate_code): Likewise.
14124 (is_feasible_trace): Add some heuristics to determine when path
14125 splitting is profitable.
14126 (find_block_to_duplicate_for_splitting_paths): Make sure the graph
14127 is a diamond with a single exit.
14129 2016-02-05 Martin Sebor <msebor@redhat.com>
14132 * doc/invoke.texi: Update -Wplacement-new to take an optional
14135 2016-02-06 Richard Henderson <rth@redhat.com>
14138 * tree.c (tree_nop_conversion_p): Do not strip casts into or
14139 out of non-standard address spaces.
14141 2016-02-05 Jakub Jelinek <jakub@redhat.com>
14143 PR rtl-optimization/69691
14144 * lra-eliminations.c (move_plus_up): Don't add the addend twice.
14146 2016-02-05 Pat Haugen <pthaugen@us.ibm.com>
14148 * config/rs6000/crypto.md (crypto_vpermxor_<mode>): Correct insn type.
14149 * config/rs6000/rs6000.md (mov<mode>_hardfloat): Likewise.
14150 (*ieee128_mfvsrd_64bit): Likewise.
14151 (*ieee128_mfvsrd_32bit): Likewise.
14153 2016-02-05 Ilya Enkovich <enkovich.gnu@gmail.com>
14157 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
14159 * cgraphunit.c (cgraph_node::reset): Clear thunk info and
14160 instrumented_version.
14162 2016-01-05 Jeremy Bennett <jeremy.bennett@embecosm.com>
14164 * doc/invoke.texi (Optimize Options): In table of --param options
14165 rename second occurrence of tracer-min-branch-ratio to
14166 tracer-min-branch-probability, rename
14167 tracer-min-branch-ratio-feedback to
14168 tracer-min-branch-probability-feedback and clarify description,
14169 rename sched-spec-state-edge-prob-cutoff to
14170 sched-state-edge-prob-cutoff, rename selsched-max-insns-to-rename
14171 to selsched-insns-to-rename, rename lto-minpartition to
14172 lto-min-partition, delete reorder-blocks-duplicate and
14173 reorder-blocks-duplicate-feedback.
14175 2016-02-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
14177 * config/s390/s390.c (s390_register_info_set_ranges): Remove
14180 2016-02-05 Dominik Vogt <vogt@linux.vnet.ibm.com>
14182 * doc/extend.texi: S/390: Correct some typos.
14184 2016-02-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
14186 * config/s390/s390.c (s390_emit_call): Add missing 64 bit check.
14188 2016-02-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
14191 * config/s390/s390.c (SAVE_SLOT_NONE, SAVE_SLOT_STACK): New defines.
14192 (s390_register_info_gprtofpr): Use new macros above.
14193 (s390_register_info_stdarg_fpr): Adjust max_fpr to better match
14195 (s390_register_info_stdarg_gpr): Adjust max_gpr to better match
14196 its name. Adjust restore and save gpr ranges.
14197 (s390_register_info_set_ranges): New function.
14198 (s390_register_info): Use new macros above. Call
14199 s390_register_info_set_ranges.
14200 (s390_optimize_register_info): Likewise.
14201 (s390_hard_regno_rename_ok): Use new macros.
14202 (s390_hard_regno_scratch_ok): Likewise.
14203 (s390_emit_epilogue): Likewise.
14204 (s390_can_use_return_insn): Likewise.
14205 (s390_optimize_prologue): Likewise.
14206 * config/s390/s390.md (GPR2_REGNUM, GPR6_REGNUM): New constants.
14208 2016-02-05 Jakub Jelinek <jakub@redhat.com>
14211 * config/i386/i386.c (convert_scalars_to_vector): Readd stack
14213 (ix86_option_override_internal): Disable TARGET_STV even for
14214 -m{incoming,preferred}-stack-boundary=3.
14216 2016-02-03 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
14218 * config.gcc: Mark deprecated rtems targets as obsolete.
14220 2016-02-04 Segher Boessenkool <segher@kernel.crashing.org>
14222 PR rtl-optimization/64682
14223 PR rtl-optimization/69567
14224 * combine.c (distribute_notes) <REG_DEAD>: Place the death note
14225 before I2 only if the register is both used and set in I2.
14227 2016-02-04 DJ Delorie <dj@redhat.com>
14229 * config/msp430/msp430.c (msp430_start_function): Add function type.
14231 2016-02-04 Jakub Jelinek <jakub@redhat.com>
14234 * tree-dfa.c (get_ref_base_and_extent): Remove unreachable code.
14236 2016-02-04 Uros Bizjak <ubizjak@gmail.com>
14238 PR rtl-optimization/69577
14240 2015-10-29 Richard Henderson <rth@redhat.com>
14244 * config/i386/i386.c (ix86_cannot_change_mode_class): Tighten
14245 sse check to the exact conditions of PR 67609.
14247 2016-02-04 Michael Meissner <meissner@linux.vnet.ibm.com>
14250 * config/rs6000/rs6000.md (mov<mode>_64bit_dm): Use 'd' constraint
14251 instead of 'ws', and 'wh' instead of 'wm' since TFmode/IFmode are
14252 not allowed into the traditional Altivec registers.
14253 (movtd_64bit_nodm): Likewise.
14254 (mov<mode>_32bit, FMOVE128_FPR iterator): Likewise.
14256 2016-02-04 David Malcolm <dmalcolm@redhat.com>
14258 * config/aarch64/cortex-a57-fma-steering.c
14259 (aarch64_register_fma_steering): Remove "static" from arguments
14262 2016-02-04 Wilco Dijkstra <wdijkstr@arm.com>
14265 * ccmp.c (expand_ccmp_expr_1): Avoid evaluating gs0/gs1
14266 twice when complex.
14268 2016-02-04 Mike Frysinger <vapier@gentoo.org>
14270 * doc/invoke.texi: Delete -mno-fma4.
14272 2016-02-04 Richard Sandiford <richard.sandiford@arm.com>
14274 PR rtl-optimization/69577
14275 * reginfo.c (record_subregs_of_mode): Add a partial_def parameter.
14276 (find_subregs_of_mode): Update accordingly. Iterate over partial
14279 2016-02-04 Alan Lawrence <alan.lawrence@arm.com>
14281 * config/arm/arm-protos.h (neon_reinterpret): Remove.
14282 * config/arm/arm.c (neon_reinterpret): Remove.
14283 * config/arm/arm_neon_builtins.def (vreinterpretv8qi, vreinterpretv4hi,
14284 vreinterpretv2si, vreinterpretv2sf, vreinterpretdi, vreinterpretv16qi,
14285 vreinterpretv8hi, vreinterpretv4si, vreinterpretv4sf, vreinterpretv2di,
14286 vreinterpretti): Remove.
14287 * config/arm/neon.md (neon_vreinterpretv8qi<mode>,
14288 neon_vreinterpretv4hi<mode>, neon_vreinterpretv2si<mode>,
14289 neon_vreinterpretv2sf<mode>, neon_vreinterpretdi<mode>,
14290 neon_vreinterpretti<mode>, neon_vreinterpretv16qi<mode>,
14291 neon_vreinterpretv8hi<mode>, neon_vreinterpretv4si<mode>,
14292 neon_vreinterpretv4sf<mode>, neon_vreinterpretv2di<mode>): Remove.
14293 * config/arm/arm_neon.h (vreinterpret_p8_p16, vreinterpret_p8_f32,
14294 vreinterpret_p8_p64, vreinterpret_p8_s64, vreinterpret_p8_u64,
14295 vreinterpret_p8_s8, vreinterpret_p8_s16, vreinterpret_p8_s32,
14296 vreinterpret_p8_u8, vreinterpret_p8_u16, vreinterpret_p8_u32,
14297 vreinterpret_p16_p8, vreinterpret_p16_f32, vreinterpret_p16_p64,
14298 vreinterpret_p16_s64, vreinterpret_p16_u64, vreinterpret_p16_s8,
14299 vreinterpret_p16_s16, vreinterpret_p16_s32, vreinterpret_p16_u8,
14300 vreinterpret_p16_u16, vreinterpret_p16_u32, vreinterpret_f32_p8,
14301 vreinterpret_f32_p16, vreinterpret_f32_p64, vreinterpret_f32_s64,
14302 vreinterpret_f32_u64, vreinterpret_f32_s8, vreinterpret_f32_s16,
14303 vreinterpret_f32_s32, vreinterpret_f32_u8, vreinterpret_f32_u16,
14304 vreinterpret_f32_u32, vreinterpret_p64_p8, vreinterpret_p64_p16,
14305 vreinterpret_p64_f32, vreinterpret_p64_s64, vreinterpret_p64_u64,
14306 vreinterpret_p64_s8, vreinterpret_p64_s16, vreinterpret_p64_s32,
14307 vreinterpret_p64_u8, vreinterpret_p64_u16, vreinterpret_p64_u32,
14308 vreinterpret_s64_p8, vreinterpret_s64_p16, vreinterpret_s64_f32,
14309 vreinterpret_s64_p64, vreinterpret_s64_u64, vreinterpret_s64_s8,
14310 vreinterpret_s64_s16, vreinterpret_s64_s32, vreinterpret_s64_u8,
14311 vreinterpret_s64_u16, vreinterpret_s64_u32, vreinterpret_u64_p8,
14312 vreinterpret_u64_p16, vreinterpret_u64_f32, vreinterpret_u64_p64,
14313 vreinterpret_u64_s64, vreinterpret_u64_s8, vreinterpret_u64_s16,
14314 vreinterpret_u64_s32, vreinterpret_u64_u8, vreinterpret_u64_u16,
14315 vreinterpret_u64_u32, vreinterpret_s8_p8, vreinterpret_s8_p16,
14316 vreinterpret_s8_f32, vreinterpret_s8_p64, vreinterpret_s8_s64,
14317 vreinterpret_s8_u64, vreinterpret_s8_s16, vreinterpret_s8_s32,
14318 vreinterpret_s8_u8, vreinterpret_s8_u16, vreinterpret_s8_u32,
14319 vreinterpret_s16_p8, vreinterpret_s16_p16, vreinterpret_s16_f32,
14320 vreinterpret_s16_p64, vreinterpret_s16_s64, vreinterpret_s16_u64,
14321 vreinterpret_s16_s8, vreinterpret_s16_s32, vreinterpret_s16_u8,
14322 vreinterpret_s16_u16, vreinterpret_s16_u32, vreinterpret_s32_p8,
14323 vreinterpret_s32_p16, vreinterpret_s32_f32, vreinterpret_s32_p64,
14324 vreinterpret_s32_s64, vreinterpret_s32_u64, vreinterpret_s32_s8,
14325 vreinterpret_s32_s16, vreinterpret_s32_u8, vreinterpret_s32_u16,
14326 vreinterpret_s32_u32, vreinterpret_u8_p8, vreinterpret_u8_p16,
14327 vreinterpret_u8_f32, vreinterpret_u8_p64, vreinterpret_u8_s64,
14328 vreinterpret_u8_u64, vreinterpret_u8_s8, vreinterpret_u8_s16,
14329 vreinterpret_u8_s32, vreinterpret_u8_u16, vreinterpret_u8_u32,
14330 vreinterpret_u16_p8, vreinterpret_u16_p16, vreinterpret_u16_f32,
14331 vreinterpret_u16_p64, vreinterpret_u16_s64, vreinterpret_u16_u64,
14332 vreinterpret_u16_s8, vreinterpret_u16_s16, vreinterpret_u16_s32,
14333 vreinterpret_u16_u8, vreinterpret_u16_u32, vreinterpret_u32_p8,
14334 vreinterpret_u32_p16, vreinterpret_u32_f32, vreinterpret_u32_p64,
14335 vreinterpret_u32_s64, vreinterpret_u32_u64, vreinterpret_u32_s8,
14336 vreinterpret_u32_s16, vreinterpret_u32_s32, vreinterpret_u32_u8,
14337 vreinterpret_u32_u16, vreinterpretq_p8_p16, vreinterpretq_p8_f32,
14338 vreinterpretq_p8_p64, vreinterpretq_p8_p128, vreinterpretq_p8_s64,
14339 vreinterpretq_p8_u64, vreinterpretq_p8_s8, vreinterpretq_p8_s16,
14340 vreinterpretq_p8_s32, vreinterpretq_p8_u8, vreinterpretq_p8_u16,
14341 vreinterpretq_p8_u32, vreinterpretq_p16_p8, vreinterpretq_p16_f32,
14342 vreinterpretq_p16_p64, vreinterpretq_p16_p128, vreinterpretq_p16_s64,
14343 vreinterpretq_p16_u64, vreinterpretq_p16_s8, vreinterpretq_p16_s16,
14344 vreinterpretq_p16_s32, vreinterpretq_p16_u8, vreinterpretq_p16_u16,
14345 vreinterpretq_p16_u32, vreinterpretq_f32_p8, vreinterpretq_f32_p16,
14346 vreinterpretq_f32_p64, vreinterpretq_f32_p128, vreinterpretq_f32_s64,
14347 vreinterpretq_f32_u64, vreinterpretq_f32_s8, vreinterpretq_f32_s16,
14348 vreinterpretq_f32_s32, vreinterpretq_f32_u8, vreinterpretq_f32_u16,
14349 vreinterpretq_f32_u32, vreinterpretq_p64_p8, vreinterpretq_p64_p16,
14350 vreinterpretq_p64_f32, vreinterpretq_p64_p128, vreinterpretq_p64_s64,
14351 vreinterpretq_p64_u64, vreinterpretq_p64_s8, vreinterpretq_p64_s16,
14352 vreinterpretq_p64_s32, vreinterpretq_p64_u8, vreinterpretq_p64_u16,
14353 vreinterpretq_p64_u32, vreinterpretq_p128_p8, vreinterpretq_p128_p16,
14354 vreinterpretq_p128_f32, vreinterpretq_p128_p64, vreinterpretq_p128_s64,
14355 vreinterpretq_p128_u64, vreinterpretq_p128_s8, vreinterpretq_p128_s16,
14356 vreinterpretq_p128_s32, vreinterpretq_p128_u8, vreinterpretq_p128_u16,
14357 vreinterpretq_p128_u32, vreinterpretq_s64_p8, vreinterpretq_s64_p16,
14358 vreinterpretq_s64_f32, vreinterpretq_s64_p64, vreinterpretq_s64_p128,
14359 vreinterpretq_s64_u64, vreinterpretq_s64_s8, vreinterpretq_s64_s16,
14360 vreinterpretq_s64_s32, vreinterpretq_s64_u8, vreinterpretq_s64_u16,
14361 vreinterpretq_s64_u32, vreinterpretq_u64_p8, vreinterpretq_u64_p16,
14362 vreinterpretq_u64_f32, vreinterpretq_u64_p64, vreinterpretq_u64_p128,
14363 vreinterpretq_u64_s64, vreinterpretq_u64_s8, vreinterpretq_u64_s16,
14364 vreinterpretq_u64_s32, vreinterpretq_u64_u8, vreinterpretq_u64_u16,
14365 vreinterpretq_u64_u32, vreinterpretq_s8_p8, vreinterpretq_s8_p16,
14366 vreinterpretq_s8_f32, vreinterpretq_s8_p64, vreinterpretq_s8_p128,
14367 vreinterpretq_s8_s64, vreinterpretq_s8_u64, vreinterpretq_s8_s16,
14368 vreinterpretq_s8_s32, vreinterpretq_s8_u8, vreinterpretq_s8_u16,
14369 vreinterpretq_s8_u32, vreinterpretq_s16_p8, vreinterpretq_s16_p16,
14370 vreinterpretq_s16_f32, vreinterpretq_s16_p64, vreinterpretq_s16_p128,
14371 vreinterpretq_s16_s64, vreinterpretq_s16_u64, vreinterpretq_s16_s8,
14372 vreinterpretq_s16_s32, vreinterpretq_s16_u8, vreinterpretq_s16_u16,
14373 vreinterpretq_s16_u32, vreinterpretq_s32_p8, vreinterpretq_s32_p16,
14374 vreinterpretq_s32_f16, vreinterpretq_s32_f32, vreinterpretq_s32_p64,
14375 vreinterpretq_s32_p128, vreinterpretq_s32_s64, vreinterpretq_s32_u64,
14376 vreinterpretq_s32_s8, vreinterpretq_s32_s16, vreinterpretq_s32_u8,
14377 vreinterpretq_s32_u16, vreinterpretq_s32_u32, vreinterpretq_u8_p8,
14378 vreinterpretq_u8_p16, vreinterpretq_u8_f32, vreinterpretq_u8_p64,
14379 vreinterpretq_u8_p128, vreinterpretq_u8_s64, vreinterpretq_u8_u64,
14380 vreinterpretq_u8_s8, vreinterpretq_u8_s16, vreinterpretq_u8_s32,
14381 vreinterpretq_u8_u16, vreinterpretq_u8_u32, vreinterpretq_u16_p8,
14382 vreinterpretq_u16_p16, vreinterpretq_u16_f32, vreinterpretq_u16_p64,
14383 vreinterpretq_u16_p128, vreinterpretq_u16_s64, vreinterpretq_u16_u64,
14384 vreinterpretq_u16_s8, vreinterpretq_u16_s16, vreinterpretq_u16_s32,
14385 vreinterpretq_u16_u8, vreinterpretq_u16_u32, vreinterpretq_u32_p8,
14386 vreinterpretq_u32_p16, vreinterpretq_u32_f32, vreinterpretq_u32_p64,
14387 vreinterpretq_u32_p128, vreinterpretq_u32_s64, vreinterpretq_u32_u64,
14388 vreinterpretq_u32_s8, vreinterpretq_u32_s16, vreinterpretq_u32_s32,
14389 vreinterpretq_u32_u8, vreinterpretq_u32_u16): Rewrite using casts.
14391 2016-02-04 Martin Liska <mliska@suse.cz>
14394 * asan.c (has_stmt_been_instrumented_p): Instrument gimple calls
14395 that are gimple_store_p.
14396 (maybe_instrument_call): Likewise.
14398 2016-02-04 Bin Cheng <bin.cheng@arm.com>
14400 * config/aarch64/aarch64.c (aarch64_legitimize_address): Force
14401 register scaling out of memory reference and comment why.
14403 2016-02-04 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
14407 * cse.c (cse_insn): Pass NULL to fold_rtx when initially
14408 folding the source of a SET.
14410 2016-02-04 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
14414 * config/arm/arm.c (arm_new_rtx_costs, MULT case): Properly extract
14415 the operands of the SIGN_EXTENDs from a SMUL[TB][TB] rtx.
14417 2016-02-04 Jim Wilson <jim.wilson@linaro.org>
14421 * config/arm/arm.h (PROMOTE_MODE): Don't set UNSIGNEDP for QImode and
14424 2016-02-04 Christian Bruel <christian.bruel@st.com>
14426 * config/arm/arm-c.c (arm_reset_previous_fndecl): Style fix and typo.
14427 * config/arm/arm.c (arm_set_current_function): Likewise.
14429 2016-02-04 Jakub Jelinek <jakub@redhat.com>
14430 Ilya Enkovich <enkovich.gnu@gmail.com>
14431 H.J. Lu <hongjiu.lu@intel.com>
14434 * config/i386/i386.c (convert_scalars_to_vector): Remove
14435 stack alignment fixes.
14436 (ix86_option_override_internal): Disable TARGET_STV if stack
14437 might not be aligned enough.
14438 (ix86_minimum_alignment): Assert that TARGET_STV is false.
14440 2016-02-04 Victoria Stepanyan <victoria.stepanyan@amd.com>
14442 * config/i386/x86-tune.def: Disable default prefetching
14445 2016-02-03 Michael Meissner <meissner@linux.vnet.ibm.com>
14446 Vladimir Makarov <vmakarov@redhat.com>
14449 * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Fix thinko
14450 in validating fused toc addresses.
14452 2016-02-03 Jakub Jelinek <jakub@redhat.com>
14455 * diagnostic-show-locus.c (layout::get_state_at_point): Don't read
14456 range->m_caret fields if range->m_show_caret_p is false.
14459 * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
14460 Force oldval into register if it does not satisfy reg_or_short_operand
14461 predicate. Fix up formatting.
14463 2016-02-03 Vladimir Makarov <vmakarov@redhat.com>
14464 Alexandre Oliva <aoliva@redhat.com>
14467 * lra-constraints.c (simplify_operand_subreg): Check additionally
14468 address validity after potential reloading.
14469 (process_address_1): Check insns validity. In case of failure do
14472 2016-02-03 Kirill Yukhin <kirill.yukhin@intel.com>
14475 * config/i386/sse.md (define_insn "avx512f_maskcmp<mode>3"):
14478 2016-02-02 Jakub Jelinek <jakub@redhat.com>
14480 * wide-int.cc (canonize_uhwi): New function.
14481 (wi::divmod_internal): Use it.
14483 2016-02-02 James Norris <jnorris@codesourcery.com
14485 * gimplify.c (omp_notice_variable): Add usage check.
14487 2016-02-02 Alexander Monakov <amonakov@ispras.ru>
14489 * config/nvptx/nvptx.c (nvptx_print_operand): Treat LEU, GEU, LTU, GTU
14490 like LE, GE, LT, GT when emitting relational operator.
14492 2016-02-02 Wilco Dijkstra <wdijkstr@arm.com>
14494 * ira-costs.c (find_costs_and_classes): Add extra argument.
14495 * target.def (ira_change_pseudo_allocno_class): Add parameter.
14496 * targhooks.h (ira_change_pseudo_allocno_class): Likewise.
14497 * targhooks.c (ira_change_pseudo_allocno_class): Likewise.
14498 * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class)
14499 Add best_class parameter, and return it if not ALL_REGS.
14500 * config/mips/mips.c (mips_ira_change_pseudo_allocno_class):
14502 * doc/tm.texi (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS):
14503 Update target hook.
14505 2016-02-02 Wilco Dijkstra <wdijkstr@arm.com>
14507 * config/aarch64/aarch64.c
14508 (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): New define.
14509 (aarch64_ira_change_pseudo_allocno_class): New function.
14511 2016-02-02 Uros Bizjak <ubizjak@gmail.com>
14514 * config/i386/i386.c (geode_cost): Increase cost of MMX and SSE moves.
14516 2016-02-02 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
14518 * config/avr/avr.c (avr_option_override): Set
14519 PARAM_ALLOW_STORE_DATA_RACES to 1.
14521 2016-02-02 Richard Biener <rguenther@suse.de>
14523 PR tree-optimization/69595
14524 * match.pd: Add range test simplifications to true/false.
14526 2016-02-02 Thomas Schwinge <thomas@codesourcery.com>
14528 * omp-builtins.def (BUILT_IN_GOACC_HOST_DATA): Remove.
14529 * omp-low.c (expand_omp_target): Use BUILT_IN_GOACC_DATA_START
14532 2016-02-02 Richard Biener <rguenther@suse.de>
14534 PR tree-optimization/69606
14535 * tree-ssa-math-opts.c (bswap_replace): Clear flow sensitive
14536 info on the result before moving a stmt.
14538 2016-02-02 Yuri Rumyantsev <ysrumyan@gmail.com>
14540 PR middle-end/68542
14541 * config/i386/i386.c (ix86_expand_branch): Add support for conditional
14542 branch with vector comparison.
14543 * config/i386/sse.md (VI48_AVX): New mode iterator.
14544 (define_expand "cbranch<mode>4): Add support for conditional branch
14545 with vector comparison.
14546 * tree-vect-loop.c (optimize_mask_stores): New function.
14547 * tree-vect-stmts.c (vectorizable_mask_load_store): Initialize
14548 has_mask_store field of vect_info.
14549 * tree-vectorizer.c (vectorize_loops): Invoke optimaze_mask_stores for
14550 vectorized loops having masked stores after vec_info destroy.
14551 * tree-vectorizer.h (loop_vec_info): Add new has_mask_store field and
14552 correspondent macros.
14553 (optimize_mask_stores): Add prototype.
14555 2016-02-02 Alan Modra <amodra@gmail.com>
14558 * config/rs6000/predicates.md (quad_int_reg_operand): Don't
14561 2016-02-02 Alan Modra <amodra@gmail.com>
14564 * config/rs6000/rs6000.c (need_toc_init): New var, set it
14565 whenever toc_label_name used.
14566 (rs6000_file_start): Don't set up toc section here,
14567 (rs6000_output_function_epilogue): do so here instead,
14568 (rs6000_xcoff_file_start): and here.
14569 * config/rs6000/rs6000.md (load_toc_aix_si): Set need_toc_init.
14570 (load_toc_aix_di): Likewise.
14572 2016-02-01 Jakub Jelinek <jakub@redhat.com>
14574 PR rtl-optimization/69592
14575 * rtlanal.c (nonzero_bits_binary_arith_p): New inline function.
14576 (cached_nonzero_bits): Use it instead of ARITHMETIC_P.
14577 (num_sign_bit_copies_binary_arith_p): New inline function.
14578 (cached_num_sign_bit_copies): Use it instead of ARITHMETIC_P.
14580 2016-02-01 Jeff Law <law@redhat.com>
14582 PR tree-optimization/69580
14583 * params.def (FSM_MAXIMUM_PHI_ARGUMENTS): New param.
14584 * tree-ssa-threadbackward.c
14585 (fsm_find_control_statement_thread_paths): Do not try to walk
14586 through large PHI nodes.
14588 2016-02-01 Jakub Jelinek <jakub@redhat.com>
14590 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return false
14591 when count is incremented above limit, don't analyze further
14594 * omp-low.c (oacc_parse_default_dims): Avoid
14595 -Wsign-compare warning, make sure value fits into int
14596 rather than just unsigned int.
14598 2016-02-01 Bin Cheng <bin.cheng@arm.com>
14600 PR tree-optimization/67921
14601 * fold-const.c (split_tree): New parameters. Convert pointer
14602 type variable part to proper type before negating.
14603 (fold_binary_loc): Pass new arguments to split_tree.
14605 2016-02-01 Nathan Sidwell <nathan@codesourcery.com>
14607 * config/nvptx/nvptx.c (PTX_GANG_DEFAULT): New.
14608 (nvptx_goacc_validate_dims): Extend to handle global defaults.
14609 * target.def (OACC_VALIDATE_DIMS): Extend documentation.
14610 * doc/tm.texti: Rebuilt.
14611 * doc/invoke.texi (fopenacc-dim): Document.
14612 * lto-wrapper.c (merge_and_complain): Add OPT_fopenacc_dim_ case.
14613 (append_compiler_options): Likewise.
14614 * omp-low.c (oacc_default_dims, oacc_min_dims): New.
14615 (oacc_parse_default_dims): New.
14616 (oacc_validate_dims): Add USED arg. Select non-unity default when
14618 (oacc_loop_fixed_partitions): Return mask of used partitions.
14619 (oacc_loop_auto_partitions): Emit dump info.
14620 (oacc_loop_partition): Return mask of used partitions.
14621 (execute_oacc_device_lower): Parse default dimension arg. Adjust
14622 loop partitioning and validation calls.
14624 2016-02-01 Richard Biener <rguenther@suse.de>
14626 PR middle-end/69556
14627 * match.pd: Guard (C1/X)*C2 -> (C1*C2)/X with single_use.
14629 2016-02-01 Richard Biener <rguenther@suse.de>
14631 PR tree-optimization/69574
14632 * tree-chrec.c (hide_evolution_in_other_loops_than_loop): Instead
14633 of asserting return chrec_dont_know.
14635 2016-02-01 Martin Liska <mliska@suse.cz>
14637 * mem-stats-traits.h: Add copyright header.
14638 * mem-stats.h: Likewise.
14640 2016-02-01 Richard Biener <rguenther@suse.de>
14642 PR tree-optimization/69579
14643 * tree-ssa-loop-ivcanon.c (propagate_constants_for_unrolling):
14644 Do not propagate through abnormal PHI results.
14646 2016-02-01 Eric Botcazou <ebotcazou@adacore.com>
14648 * postreload.c (reload_cse_simplify): Remove dead code.
14650 2016-02-01 Jakub Jelinek <jakub@redhat.com>
14652 PR rtl-optimization/69570
14653 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return true only
14654 if there is more than one set, not if there is a single set.
14656 2016-02-01 Richard Henderson <rth@redhat.com>
14659 * combine.c (make_compound_operation): When looking through a
14660 subreg, make sure to re-extend to the width of the outer mode.
14662 2016-01-30 Jakub Jelinek <jakub@redhat.com>
14664 PR tree-optimization/69546
14665 * wide-int.cc (wi::divmod_internal): For unsigned division
14666 where both operands fit into uhwi, if o1 is 1 and o0 has
14667 msb set, if divident_prec is larger than bits per hwi,
14668 clear another quotient word and return 2 instead of 1.
14669 Similarly for remainder with msb in HWI set, if dividend_prec
14670 is larger than bits per hwi.
14672 2016-01-29 Martin Jambor <mjambor@suse.cz>
14674 * hsa-gen.c (get_memory_order_name): Mask with MEMMODEL_BASE_MASK.
14675 Use short lowercase names.
14676 (get_memory_order): Mask with MEMMODEL_BASE_MASK. Support
14677 MEMMODEL_CONSUME with acquire semantics and MEMMODEL_SEQ_CST with
14678 acq_rel one. Protect warning agains segfaults if
14679 get_memory_order_name returns NULL.
14680 (gen_hsa_ternary_atomic_for_builtin): Support with MEMMODEL_SEQ_CST
14681 with release semantics. Do not warn if get_memory_order already did.
14682 (gen_hsa_insns_for_call): Support with MEMMODEL_SEQ_CST with acquire
14683 semantics. Fix check for relaxed or acquire semantics. Do not warn
14684 if get_memory_order already did.
14686 2016-01-29 Sebastian Pop <s.pop@samsung.com>
14688 * doc/install.texi: Document that isl-0.16 is supported.
14690 2016-01-29 Vladimir Makarov <vmakarov@redhat.com>
14693 * config/i386/constraints.md (Bm): Describe as special memory
14695 * doc/md.texi (DEFINE_SPECIAL_MEMORY_CONSTRAINT): Describe it.
14696 * genoutput.c (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
14697 * genpreds.c (struct constraint_data): Add is_special_memory.
14698 (have_special_memory_constraints, special_memory_start): New
14700 (special_memory_end): Ditto.
14701 (add_constraint): Add new arg is_special_memory. Add code to
14702 process its true value. Update have_special_memory_constraints.
14703 (process_define_constraint): Pass the new arg.
14704 (process_define_register_constraint): Ditto.
14705 (choose_enum_order): Process special memory.
14706 (write_tm_preds_h): Generate enum const CT_SPECIAL_MEMORY and
14707 function insn_extra_special_memory_constraint.
14708 (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
14709 * gensupport.c (process_rtx): Process
14710 DEFINE_SPECIAL_MEMORY_CONSTRAINT.
14711 * ira-costs.c (record_reg_classes): Process CT_SPECIAL_MEMORY.
14712 * ira-lives.c (single_reg_class): Use
14713 insn_extra_special_memory_constraint.
14714 * ira.c (ira_setup_alts): Process CT_SPECIAL_MEMORY.
14715 * lra-constraints.c (process_alt_operands): Ditto.
14716 (curr_insn_transform): Use insn_extra_special_memory_constraint.
14717 * recog.c (asm_operand_ok, preprocess_constraints): Process
14719 * reload.c (find_reloads): Ditto.
14720 * rtl.def (DEFINE_SPECIFAL_MEMORY_CONSTRAINT): New.
14721 * stmt.c (parse_input_constraint): Use
14722 insn_extra_special_memory_constraint.
14724 2016-01-29 H.J. Lu <hongjiu.lu@intel.com>
14727 * lra-splill.c (lra_final_code_change): Revert r229087 by
14728 removing all sub-registers.
14730 2016-01-29 Steve Ellcey <sellcey@imgtec.com>
14733 * config/mips/mips.c (mips_output_division): Check flag_delayed_branch.
14735 2016-01-29 Jakub Jelinek <jakub@redhat.com>
14738 * config/i386/i386.c (ix86_expand_vector_set) <case V4SImode>: For
14739 SSE1, copy target into the temporary reg first before recursing
14742 2016-01-29 H.J. Lu <hongjiu.lu@intel.com>
14744 * config/i386/sse.md (sse2_cvtps2pd<mask_name>): Replace vBm
14747 2016-01-29 Jonathan Wakely <jwakely@redhat.com>
14749 * ginclude/stdarg.h: Test __cplusplus instead of
14750 __GXX_EXPERIMENTAL_CXX0X__.
14752 2016-01-29 Richard Biener <rguenther@suse.de>
14754 PR tree-optimization/69547
14755 * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
14756 Do not mark clobbers necessary.
14757 (mark_all_reaching_defs_necessary_1): Likewise.
14759 2016-01-29 Dominik Vogt <vogt@linux.vnet.ibm.com>
14761 * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Format
14762 declaration name with %qs and print it in both error messages.
14763 Also fix indentation.
14765 2016-01-29 Dominik Vogt <vogt@linux.vnet.ibm.com>
14768 * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Remove
14769 trailing blank line from error message.
14771 2016-01-29 Jonathan Wakely <jwakely@redhat.com>
14774 * ginclude/float.h: Also provide FLT_EVAL_METHOD and DECIMAL_DIG
14777 2016-01-29 Richard Biener <rguenther@suse.de>
14779 PR middle-end/69537
14780 * match.pd: Allow all integral types when simplifying a
14781 widening or sign-changing conversion.
14783 2016-01-28 Sebastian Pop <s.pop@samsung.com>
14785 * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Revert assert
14786 back to setting codegen_error to fail codegen.
14788 2016-01-28 Uros Bizjak <ubizjak@gmail.com>
14791 * config/i386/constraints.md (C): Only accept constant zero operand.
14792 (BC): New constraint.
14793 * config/i386/sse.md (*mov<mode>_internal): Use BC constraint
14794 instead of C constraint.
14795 * doc/md.texi (Machine Constraints): Update description
14798 2016-01-28 Steve Ellcey <sellcey@imgtec.com>
14801 * config/mips/mips.c (and_operands_ok): Add MIPS16 check.
14803 2016-01-28 Jakub Jelinek <jakub@redhat.com>
14805 PR middle-end/69542
14806 * lra-remat.c (calculate_local_reg_remat_bb_data): Only consider
14809 2016-01-28 Pat Haugen <pthaugen@us.ibm.com>
14811 * config/rs6000/rs6000.c (output_cbranch): Don't statically predict
14812 branches if using guessed profile.
14814 2016-01-28 H.J. Lu <hongjiu.lu@intel.com>
14816 * graphite-optimize-isl.c (optimize_isl): Fix dump.
14818 2016-01-28 Richard Henderson <rth@redhat.com>
14821 * config/aarch64/aarch64-modes.def (CC_Cmode): New
14822 * config/aarch64/aarch64-protos.h: Update.
14823 * config/aarch64/aarch64.c (aarch64_zero_extend_const_eq): New.
14824 (aarch64_select_cc_mode): Add check for use of CC_Cmode.
14825 (aarch64_get_condition_code_1): Handle CC_Cmode.
14826 * config/aarch64/aarch64.md (addti3): Use adddi3_compareC.
14827 (*add<mode>3_compareC_cconly_imm): New.
14828 (*add<mode>3_compareC_cconly): New.
14829 (*add<mode>3_compareC_imm): New.
14830 (add<mode>3_compareC): New.
14831 (add<mode>3_carryin, *addsi3_carryin_uxtw): Sort compare operand
14832 to be first. Use aarch64_carry_operation.
14833 (*add<mode>3_carryin_alt1, *addsi3_carryin_alt1_uxtw): Remove.
14834 (*add<mode>3_carryin_alt2, *addsi3_carryin_alt2_uxtw): Remove.
14835 (*add<mode>3_carryin_alt3, *addsi3_carryin_alt3_uxtw): Remove.
14836 (subti3): Use subdi3_compare1.
14837 (*sub<mode>3_compare0): Rename from sub<mode>3_compare0.
14838 (sub<mode>3_compare1): New.
14839 (*sub<mode>3_carryin0, *subsi3_carryin_uxtw): New.
14840 (*sub<mode>3_carryin): Use aarch64_borrow_operation.
14841 (*subsi3_carryin_uxtw): Likewise.
14842 (*ngc<mode>, *ngcsi_uxtw): Likewise.
14843 (*sub<mode>3_carryin_alt, *subsi3_carryin_alt_uxtw): New.
14844 * config/aarch64/iterators.md (DWI): New.
14845 * config/aarch64/predicates.md (aarch64_carry_operation): New.
14846 (aarch64_borrow_operation): New.
14848 2016-01-28 Abderrazek Zaafrani <a.zaafrani@samsung.com>
14850 * graphite-optimize-isl.c (optimize_isl): Print a different debug
14851 message when isl does not return a valid schedule.
14853 2016-01-28 Sebastian Pop <s.pop@samsung.com>
14855 * graphite-isl-ast-to-gimple.c (class translate_isl_ast_to_gimple):
14856 Remove comments from class declarations: they are already in the code
14859 2016-01-28 Sebastian Pop <s.pop@samsung.com>
14861 * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Call
14863 (ternary_op_to_tree): Same.
14864 (unary_op_to_tree): Same.
14865 (nary_op_to_tree): Same.
14866 (gcc_expression_from_isl_expr_op): Same.
14867 (gcc_expression_from_isl_expression): Same.
14868 (graphite_create_new_loop): Same.
14869 (graphite_create_new_loop_guard): Same.
14870 (build_iv_mapping): Same.
14871 (graphite_create_new_guard): Same.
14872 (translate_isl_ast_to_gimple::copy_loop_phi_nodes): Same.
14873 (translate_isl_ast_to_gimple::translate_pending_phi_nodes): Same.
14875 2016-01-28 Sebastian Pop <s.pop@samsung.com>
14877 * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Assert
14878 instead of setting codegen_error to fail codegen.
14880 2016-01-28 Jason Merrill <jason@redhat.com>
14882 * tree.h (BINFO_FLAG_0): Rename from BINFO_MARKED.
14884 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
14886 * config/aarch64/aarch64.c (aarch64_if_then_else_costs):
14887 Remove CONST_INT_P check in CCMP cost calculation.
14889 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
14891 * config/aarch64/aarch64.c (generic_vector_cost):
14892 Set vec_permute_cost.
14893 (cortexa57_vector_cost): Likewise.
14894 (exynosm1_vector_cost): Likewise.
14895 (xgene1_vector_cost): Likewise.
14896 (aarch64_builtin_vectorization_cost): Use vec_permute_cost.
14897 * config/aarch64/aarch64-protos.h (cpu_vector_cost):
14898 Add vec_permute_cost entry.
14900 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
14902 * config/aarch64/aarch64.md (ccmp<mode>): Disassemble
14904 (add<mode>3_compare0): Likewise.
14905 (addsi3_compare0_uxtw): Likewise.
14906 (add<mode>3nr_compare0): Likewise.
14907 (compare_neg<mode>): Likewise.
14908 (<optab><mode>3): Likewise.
14910 2016-01-28 Ilya Enkovich <enkovich.gnu@gmail.com>
14912 * tree-vect-stmts.c (vectorizable_comparison): Add
14913 NULL check for vectype.
14915 2016-01-28 Richard Biener <rguenther@suse.de>
14917 PR tree-optimization/69466
14918 * tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
14919 Account for PHIs we couldn't duplicate.
14921 2016-01-28 Martin Liska <mliska@suse.cz>
14924 * ggc-common.c (gt_pch_save): Use ENABLE_VALGRIND_ANNOTATIONS macro
14925 instead of ENABLE_VALGRIND_CHECKING.
14927 2016-01-27 Richard Henderson <rth@redhat.com>
14930 * lra-remat.c (subreg_regs): New.
14931 (dump_candidates_and_remat_bb_data): Dump it.
14932 (operand_to_remat): Reject if operand in subreg_regs.
14933 (set_bb_regs): Collect subreg_regs.
14934 (lra_remat): Init and free subreg_regs. Compute
14935 calculate_local_reg_remat_bb_data before create_cands.
14937 2016-01-27 H.J. Lu <hongjiu.lu@intel.com>
14940 * config/i386/i386.c (ix86_update_stack_boundary): Don't
14941 change stack_alignment_needed for __tls_get_addr call.
14943 2016-01-27 Segher Boessenkool <segher@kernel.crashing.org>
14945 * config/rs6000/rs6000.c (print_operand): Rollback 's' removal.
14947 2016-01-27 Jeff Law <law@redhat.com>
14949 PR tree-optimization/68398
14950 PR tree-optimization/69196
14951 * params.def (PARAM_FSM_SCALE_PATH_STMTS): New parameter.
14952 (PARAM_FSM_SCALE_PATH_BLOCKS): Likewise.
14953 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
14954 Only count PHIs in the last block in the path. The others will
14955 const/copy propagate away. Add heuristic to allow more irreducible
14956 subloops to be created when it is likely profitable to do so.
14958 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
14959 Fix typo in comment. Use gsi_after_labels and remove the GIMPLE_LABEL
14960 check from within the loop. Use gsi_next_nondebug rather than gsi_next.
14962 2016-01-27 Jakub Jelinek <jakub@redhat.com>
14965 * sanitizer.def: Add BEGIN_SANITIZER_BUILTINS and
14966 END_SANITIZER_BUILTINS markers using DEF_BUILTIN_STUB.
14967 * asan.c (DEF_BUILTIN_STUB): Temporarily define.
14968 * tree-streamer-in.c: Include asan.h.
14969 (streamer_get_builtin_tree): For builtins in sanitizer
14970 range call initialize_sanitizer_builtins and retry.
14972 2016-01-27 Ian Lance Taylor <iant@google.com>
14974 * common.opt (fkeep-gc-roots-live): New undocumented option.
14975 * tree-ssa-loop-ivopts.c (add_candidate_1): If
14976 -fkeep-gc-roots-live, skip pointers.
14977 (add_iv_candidate_for_biv): Handle add_candidate_1 returning
14980 2016-01-27 Uros Bizjak <ubizjak@gmail.com>
14983 * config/i386/i386.md (*zext<mode>_doubleword_and): New pattern.
14984 (*zext<mode>_doubleword): Disable for TARGET_ZERO_EXTEND_WITH_AND.
14986 2016-01-27 Thomas Klausner <wiz@NetBSD.org>
14989 * configure.ac: NetBSD provides SSP in its C library.
14990 * configure: Updated.
14992 2016-01-27 Richard Biener <rguenther@suse.de>
14994 PR tree-optimization/69166
14995 * tree-vect-loop.c (vect_is_simple_reduction): Always check
14996 reduction code for commutativity / associativity.
14998 2016-01-27 Martin Jambor <mjambor@suse.cz>
15000 PR tree-optimization/69355
15001 * tree-sra.c (analyze_access_subtree): Correct hole detection when
15002 total_scalarization fails.
15004 2016-01-27 David Edelsohn <dje.gcc@gmail.com>
15006 * config/rs6000/driver-rs6000.c (detect_processor_aix): Add
15009 2016-01-27 Christian Bruel <christian.bruel@st.com>
15012 * config/arm/arm-c.c (arm_pragma_target_parse): Add comments.
15013 Move arm_reset_previous_fndecl and set_target_option_current_node in
15014 the conditional part. Call save_restore_target_globals.
15015 * config/arm/arm.c (arm_set_current_function):
15016 Refactor to better support #pragma target and attribute mix.
15017 Call save_restore_target_globals.
15018 * config/arm/arm-protos.h (save_restore_target_globals): New function.
15020 2016-01-27 Martin Liska <mliska@suse.cz>
15022 * hsa.c (hsa_summary_t::link_functions): Create IPA_REF_ADDR
15023 reference for an HSA kernel and its host function.
15025 2016-01-27 Jakub Jelinek <jakub@redhat.com>
15027 PR tree-optimization/69399
15028 * wide-int.h (wi::lrshift): For larger precisions, only
15029 use fast path if shift is known to be < HOST_BITS_PER_WIDE_INT.
15031 2016-01-27 Claudiu Zissulescu <claziss@synopsys.com>
15033 * config/arc/predicates.md (proper_comparison_operator): Reject
15034 constant-constant comparison.
15036 2016-01-26 Tom de Vries <tom@codesourcery.com>
15038 PR tree-optimization/69110
15039 * tree-data-ref.c (initialize_data_dependence_relation): Handle
15040 DR_NUM_DIMENSIONS == 0.
15042 2016-01-26 Abderrazek Zaafrani <a.zaafrani@samsung.com>
15043 Sebastian Pop <s.pop@samsung.com>
15045 * graphite-isl-ast-to-gimple.c (ternary_op_to_tree): Handle
15046 isl_ast_op_cond and isl_ast_op_select.
15047 (gcc_expression_from_isl_expr_op): Same.
15049 2016-01-26 Jason Merrill <jason@redhat.com>
15052 * tree.c (recompute_constructor_flags): Split out from
15054 (verify_constructor_flags): New.
15055 * tree.h: Declare them.
15057 2016-01-26 Iain Buclaw <ibuclaw@gdcproject.org>
15059 PR rtl-optimization/69217
15060 * var-tracking.c (tracked_record_parameter_p): Don't segfault if there
15061 are no TYPE_FIELDS set for the record type.
15063 2016-01-26 Jakub Jelinek <jakub@redhat.com>
15066 * config/rs6000/rs6000.c (rs6000_option_override_internal): Initialize
15067 toc_label_name unconditionally.
15068 (rs6000_emit_load_toc_table): Call ggc_strdup on toc_label_name for
15069 SYMBOL_REF string. Use toc_label_name instead of constructing
15071 (rs6000_elf_declare_function_name): Use toc_label_name instead of
15072 constructing LCTOC1.
15074 2016-01-26 Martin Sebor <msebor@redhat.com>
15077 * doc/extend.texi (Common Type Attributes): Move text that talks about
15078 attribute packed from attribute aligned to the section discussing
15079 the former attribute for clarity.
15081 2016-01-26 Richard Henderson <rth@redhat.com>
15083 PR middle-end/60908
15084 * trans-mem.c (tm_region_init): Mark entry block as visited.
15086 2016-01-26 David Malcolm <dmalcolm@redhat.com>
15089 * diagnostic-show-locus.c (layout::print_source_line): Replace
15090 call to pp_newline with call to layout::print_newline.
15091 (layout::print_annotation_line): Likewise.
15092 (layout::move_to_column): Likewise.
15093 (layout::print_any_fixits): After printing any fixits, print a
15094 trailing newline, if necessary.
15095 (layout::print_newline): New method, resetting any colorization
15097 (diagnostic_show_locus): Move the pp_newline to before the
15098 early bailout. Remove dummy block enclosing the layout instance.
15099 * diagnostic.c (default_diagnostic_finalizer): Replace invocation
15100 of pp_newline_and_flush with pp_flush.
15101 (diagnostic_append_note): Delete use of pp_newline.
15102 (diagnostic_append_note_at_rich_loc): Delete.
15103 * diagnostic.h (diagnostic_append_note_at_rich_loc): Delete.
15104 * pretty-print.h (output_buffer_append_r): Reset buff->line_length
15105 when newline characters are added to the buffer.
15107 2016-01-26 Michael Matz <matz@suse.de>
15109 * configure.ac (ac_cv_std_swap_in_utility): New test.
15110 * system.h (<algorithm>): Check HAVE_SWAP_IN_UTILITY as well.
15111 * configure: Regenerate.
15112 * config.in: Regenerate.
15114 2016-01-26 Claudiu Zissulescu <claziss@synopsys.com>
15116 * config/arc/arc.md (cstoresi4): Force operand into register.
15117 (arcset<code>): Fix predicate.
15118 (arcsetltu): Likewise.
15119 (arcsetgeu): Likewise.
15120 (arcsethi): Likewise.
15121 (arcsetls): Likewise.
15123 2016-01-26 Jakub Jelinek <jakub@redhat.com>
15125 PR tree-optimization/69483
15126 * gimple-fold.c (canonicalize_constructor_val): Return NULL
15127 if base has error_mark_node type.
15129 2016-01-26 Christophe Lyon <christophe.lyon@linaro.org>
15132 * config/arm/arm.c (neon_valid_immediate): Handle FP16 vectors.
15133 * config/arm/arm_neon.h (__ARM_NUM_LANES, __arm_lane, arm_lanq):
15135 (vget_lane_f16): Handle big-endian.
15136 (vgetq_lane_f16): Likewise.
15137 (vset_lane_f16): Likewise.
15138 (vsetq_lane_f16): Likewise.
15139 * config/arm/iterators.md (VQXMOV): Add V8HF.
15140 (VDQ): Add V4HF and V8HF.
15141 (V_reg): Handle V4HF and V8HF.
15142 (Is_float_mode): Likewise.
15143 * config/arm/neon.md (movv4hf, movv8hf, neon_vdup_nv4hf,
15144 neon_vdup_nv8hf): New patterns.
15145 (vec_set<mode>_internal, vec_extract<mode>, neon_vld1_dup<mode>):
15146 Use VD_LANE iterator.
15147 (neon_vld1_dup<mode>): Use VQ2 iterator.
15149 2016-01-26 Nathan Sidwell <nathan@acm.org>
15151 * omp-low.h (oacc_fn_attrib_kernels_p): Declare.
15152 (set_oacc_fn_attrib): Add IS_KERNEL arg.
15153 * omp-low.c (set_oacc_fn_attrib): Add IS_KERNEL arg.
15154 (oacc_fn_attrib_kernels_p, oacc_fn_attrib_level): New.
15155 (expand_omp_target): Pass is_kernel to set_oacc_fn_attrib.
15156 (oacc_validate_dims): Add LEVEL arg, don't return level.
15157 (new_oacc_loop_routine): Use oacc_fn_attrib_level, not
15158 oacc_validate_dims.
15159 (execute_oacc_device_lower): Adjust, add more dump output.
15160 * tree-ssa-loop.c (gate_oacc_kernels): Use
15161 oacc_fn_attrib_kernels_p.
15162 * tree-parloops.c (create_parallel_loop): Adjust
15163 set_oacc_fn_attrib call.
15165 2016-01-26 Jakub Jelinek <jakub@redhat.com>
15168 * lto-wrapper.c (merge_and_complain): Handle -fcilkplus.
15169 (append_compiler_options): Handle -fcilkplus.
15170 (append_linker_options): Ignore -fno-{openmp,openacc,cilkplus}.
15172 2016-01-26 Nick Clifton <nickc@redhat.com>
15175 * config/i386/winnt.c (i386_pe_binds_local_p): If a function has
15176 been marked as DECL_ONE_ONLY but we do not the means to make it
15177 so, then do not allow it to bind locally.
15179 2016-01-26 Jakub Jelinek <jakub@redhat.com>
15182 * opts.h (parse_sanitizer_options): New prototype.
15183 * opts.c (sanitizer_opts): New array.
15184 (parse_sanitizer_options): New function.
15185 (common_handle_option): Use parse_sanitizer_options.
15187 2016-01-26 H.J. Lu <hongjiu.lu@intel.com>
15190 * config/i386/i386.c (ix86_compute_frame_layout): Move stack
15191 alignment adjustment to ...
15192 (ix86_update_stack_boundary): Here. Don't over-align stack for
15194 (ix86_finalize_stack_realign_flags): Use stack_alignment_needed
15195 if __tls_get_addr is called.
15197 2016-01-26 Christian Bruel <christian.bruel@st.com>
15199 * doc/sourcebuild.texi (arm_crypto_pragma_ok): Remove.
15201 2016-01-26 Eric Botcazou <ebotcazou@adacore.com>
15203 * config/ia64/ia64.c (ia64_expand_vecint_compare): Use gen_int_mode.
15205 2016-01-26 Richard Biener <rguenther@suse.de>
15207 PR middle-end/69467
15208 * match.pd: Guard X * CST CMP 0 pattern with single_use.
15210 2016-01-26 Richard Biener <rguenther@suse.de>
15212 PR tree-optimization/69452
15213 * tree-ssa-loop-im.c (move_computations_dom_walker): Remove.
15214 (move_computations_dom_walker::before_dom_children): Rename
15216 (move_computations_worker): This.
15217 (move_computations): Perform an RPO rather than a DOM walk.
15219 2016-01-26 Jakub Jelinek <jakub@redhat.com>
15222 * combine.c (combine_instructions): For REG_EQUAL note with
15223 SET_DEST being ZERO_EXTRACT, also temporarily set SET_DEST
15224 to the underlying register.
15225 * doc/rtl.texi (REG_EQUAL): Document the behavior of
15226 REG_EQUAL/REG_EQUIV notes if SET_DEST is ZERO_EXTRACT.
15228 2016-01-26 Roger Ferrer Ibáñez <rofirrim@gmail.com>
15231 * config/aarch64/aarch64-builtins.c
15232 (aarch64_init_simd_builtin_types): Do not set structural
15233 equality to __Poly{8,16,64,128}_t types.
15235 2016-01-26 Richard Sandiford <richard.sandiford@arm.com>
15237 PR tree-optimization/69400
15238 * wide-int.cc (wi_pack): Take the precision as argument and
15239 perform canonicalization here rather than in the callers.
15240 Use the main loop to handle all full-width HWIs. Add a
15241 zero HWI if in_len isn't a full result.
15242 (wi::divmod_internal): Update accordingly.
15243 (wi::mul_internal): Likewise. Simplify.
15245 2016-01-25 Aditya Kumar <aditya.k7@samsung.com>
15246 Sebastian Pop <s.pop@samsung.com>
15248 * graphite-poly.c (apply_poly_transforms): Simplify.
15249 (print_isl_set): Use more readable format: ISL_YAML_STYLE_BLOCK.
15250 (print_isl_map): Same.
15251 (print_isl_union_map): Same.
15252 (print_isl_schedule): New.
15253 (debug_isl_schedule): New.
15254 * graphite-dependences.c (scop_get_reads): Do not call
15255 isl_union_map_add_map that is undocumented isl functionality.
15256 (scop_get_must_writes): Same.
15257 (scop_get_may_writes): Same.
15258 (scop_get_original_schedule): Remove.
15259 (scop_get_dependences): Do not call isl_union_map_compute_flow that
15260 is deprecated in isl 0.15. Instead, use isl_union_access_* interface.
15261 (compute_deps): Remove.
15262 * graphite-isl-ast-to-gimple.c (print_schedule_ast): New.
15263 (debug_schedule_ast): New.
15264 (translate_isl_ast_to_gimple::scop_to_isl_ast): Call
15265 set_separate_option.
15266 (graphite_regenerate_ast_isl): Add dump.
15267 (translate_isl_ast_to_gimple::scop_to_isl_ast): Generate code
15268 from scop->transformed_schedule.
15269 (graphite_regenerate_ast_isl): Add more dump.
15270 * graphite-optimize-isl.c (optimize_isl): Set
15271 scop->transformed_schedule. Check whether schedules are equal.
15272 (apply_poly_transforms): Move here.
15273 * graphite-poly.c (apply_poly_transforms): ... from here.
15274 (free_poly_bb): Static.
15275 (free_scop): Static.
15276 (pbb_number_of_iterations_at_time): Remove.
15277 (print_isl_ast): New.
15278 (debug_isl_ast): New.
15279 (debug_scop_pbb): New.
15280 * graphite-scop-detection.c (print_edge): Move.
15281 (print_sese): Move.
15282 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Remove.
15283 (build_scop_scattering): Remove.
15284 (create_pw_aff_from_tree): Assert instead of bailing out.
15285 (add_condition_to_pbb): Remove unused code, do not fail.
15286 (add_conditions_to_domain): Same.
15287 (add_conditions_to_constraints): Remove.
15288 (build_scop_context): New.
15289 (add_iter_domain_dimension): New.
15290 (build_iteration_domains): Initialize pbb->iterators.
15291 Call add_conditions_to_domain.
15294 (index_outermost_in_loop): New.
15295 (index_pbb_in_loop): New.
15296 (outermost_pbb_in): New.
15297 (add_in_sequence): New.
15298 (add_outer_projection): New.
15299 (outer_projection_mupa): New.
15300 (add_loop_schedule): New.
15301 (build_schedule_pbb): New.
15302 (build_schedule_loop): New.
15303 (embed_in_surrounding_loops): New.
15304 (build_schedule_loop_nest): New.
15305 (build_original_schedule): New.
15306 (build_poly_scop): Call build_original_schedule.
15307 * graphite.h: Declare print_isl_schedule and debug_isl_schedule.
15308 (free_poly_dr): Remove.
15309 (struct poly_bb): Add iterators. Remove schedule, transformed, saved.
15310 (free_poly_bb): Remove.
15311 (debug_loop_vec): Remove.
15312 (print_isl_ast): Declare.
15313 (debug_isl_ast): Declare.
15314 (scop_do_interchange): Remove.
15315 (scop_do_strip_mine): Remove.
15316 (scop_do_block): Remove.
15317 (flatten_all_loops): Remove.
15318 (optimize_isl): Remove.
15319 (pbb_number_of_iterations_at_time): Remove.
15320 (debug_scop_pbb): Declare.
15321 (print_schedule_ast): Declare.
15322 (debug_schedule_ast): Declare.
15323 (struct scop): Remove schedule. Add original_schedule,
15324 transformed_schedule.
15325 (free_gimple_poly_bb): Remove.
15326 (print_generated_program): Remove.
15327 (debug_generated_program): Remove.
15328 (unify_scattering_dimensions): Remove.
15329 * sese.c (print_edge): ... here.
15330 (print_sese): ... here.
15331 (debug_edge): ... here.
15332 (debug_sese): ... here.
15333 * sese.h (print_edge): Declare.
15334 (print_sese): Declare.
15335 (dump_edge): Declare.
15336 (dump_sese): Declare.
15338 2016-01-25 Aditya Kumar <aditya.k7@samsung.com>
15339 Sebastian Pop <s.pop@samsung.com>
15341 * Makefile.in: Set ISLVER in site.exp.
15343 2016-01-25 Jakub Jelinek <jakub@redhat.com>
15345 * omp-low.c (lower_omp_target) <case USE_DEVICE_PTR>: Set
15346 DECL_VALUE_EXPR of new_var even for the non-array case. Look
15347 through DECL_VALUE_EXPR for expansion.
15349 2016-01-25 Bernd Edlinger <bernd.edlinger@hotmail.de>
15351 * config/mips/mips.c (mips_compute_frame_info): Skip re-computing
15352 the frame info after reload completed.
15354 2016-01-25 Jeff Law <law@redhat.com>
15356 PR tree-optimization/69196
15357 PR tree-optimization/68398
15358 * tree-ssa-threadupdate.h (enum bb_dom_status): Moved here from
15359 tree-ssa-threadupdate.c.
15360 (determine_bb_domination_status): Prototype
15361 * tree-ssa-threadupdate.c (enum bb_dom_status): Remove
15362 (determine_bb_domination_status): No longer static.
15363 (valid_jump_thread_path): Remove code to detect characteristics
15364 of the jump thread path not associated with correctness.
15365 * tree-ssa-threadbackward.c (fsm_find_control_statment_thread_paths):
15366 Correct test for thread path length. Count PHIs for real operands as
15367 statements that need to be copied. Do not count ASSERT_EXPRs.
15368 Look at all the blocks in the thread path. Compute and selectively
15369 filter thread paths based on threading through the latch, threading
15370 a multiway branch or crossing a multiway branch.
15372 2016-01-25 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
15374 * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): Add
15375 decl with __attribute__ ((unused)) annotation.
15377 2016-01-25 Ilya Enkovich <enkovich.gnu@gmail.com>
15380 * tree-vect-stmts.c (vectorizable_condition): Check vectype
15381 of operands is compatible with a statement vectype.
15383 2016-01-25 Eric Botcazou <ebotcazou@adacore.com>
15385 * doc/extend.texi (scalar_storage_order type attribute): Fix typo and
15386 improve wording for mixed storage order support.
15388 2016-01-25 Bilyan Borisov <bilyan.borisov@arm.com>
15390 * config/aarch64/arm_neon.h (vcvt_s64_f64): New intrinsic.
15391 (vcvt_u64_f64): Likewise.
15392 (vcvta_s64_f64): Likewise.
15393 (vcvta_u64_f64): Likewise.
15394 (vcvtm_s64_f64): Likewise.
15395 (vcvtm_u64_f64): Likewise.
15396 (vcvtn_s64_f64): Likewise.
15397 (vcvtn_u64_f64): Likewise.
15398 (vcvtp_s64_f64): Likewise.
15399 (vcvtp_u64_f64): Likewise.
15401 2016-01-25 Claudiu Zissulescu <claziss@synopsys.com>
15403 * config/arc/arc.c (TARGET_DWARF_REGISTER_SPAN): Define.
15404 (arc_init): Check validity mll64 option.
15405 (arc_save_restore): Use double load/store instruction.
15406 (arc_expand_movmem): Likewise.
15407 (arc_split_move): Don't split if we have double load/store
15408 instructions. Returns a boolean.
15409 (arc_process_double_reg_moves): Change function to return boolean
15410 instead of a sequence of instructions.
15411 (arc_dwarf_register_span): New function.
15412 * config/arc/arc-protos.h (arc_split_move): Change prototype.
15413 * config/arc/arc.h (TARGET_CPU_CPP_BUILTINS): Define __ARC_LL64__.
15414 * config/arc/arc.md (*movdi_insn): Emit ldd/std instructions.
15415 (*movdf_insn): Likewise.
15416 * config/arc/arc.opt (mll64): New option.
15417 * config/arc/predicates.md (even_register_operand): New predicate.
15418 * doc/invoke.texi (ARC Options): Add mll64 documentation.
15420 2016-01-25 Richard Biener <rguenther@suse.de>
15423 * dwarf2out.c (is_naming_typedef_decl): Not when DECL_NAMELESS.
15424 * tree-streamer-out.c (pack_ts_base_value_fields): Stream
15426 * tree-streamer-in.c (unpack_ts_base_value_fields): Likewise.
15428 2016-01-25 Richard Biener <rguenther@suse.de>
15430 PR tree-optimization/69376
15431 * tree-ssa-sccvn.h (struct vn_ssa_aux): Add range_info_anti_range_p
15433 (VN_INFO_ANTI_RANGE_P): New inline.
15434 (VN_INFO_RANGE_TYPE): Likewise.
15435 * tree-ssa-sccvn.c (set_ssa_val_to): Also record and copy
15436 SSA_NAME_ANTI_RANGE_P.
15437 (free_scc_vn): Restore SSA_NAME_ANTI_RANGE_P.
15438 * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
15439 Properly query VN_INFO_RANGE_TYPE.
15441 2016-01-25 Nick Clifton <nickc@redhat.com>
15444 * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Remove definition.
15446 2016-01-23 Tom de Vries <tom@codesourcery.com>
15448 PR tree-optimization/69426
15449 * tree-parloops.c (eliminate_local_variables_stmt): Handle vdef of
15452 2016-01-23 Jakub Jelinek <jakub@redhat.com>
15454 * tree-ssanames.c (release_free_names_and_compact_live_names): Replace
15455 "the the" with "the" in the comments.
15456 * ipa-devirt.c (build_type_inheritance_graph,
15457 update_type_inheritance_graph): Likewise.
15458 * tree.c (build_function_type_list_1): Likewise.
15459 * cfgloopmanip.c (scale_loop_profile): Likewise.
15460 * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Likewise.
15461 * gimple-ssa-split-paths.c
15462 (find_block_to_duplicate_for_splitting_paths): Likewise.
15463 * tree-sra.c (init_subtree_with_zero, clobber_subtree): Likewise.
15464 * expr.c (convert_move): Likewise.
15465 * var-tracking.c (vt_stack_adjustments): Likewise.
15466 * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
15467 * tree-vrp.c (test_for_singularity): Likewise.
15469 * tree-vect-stmts.c (vectorizable_condition): Build a VEC_COND_EXPR
15470 directly instead of building a temporary tree.
15473 * genrecog.c: Define INCLUDE_ALGORITHM before including system.h,
15474 remove <algorithm> include.
15476 2016-01-22 Jakub Jelinek <jakub@redhat.com>
15479 * config/i386/i386.c: Include dojump.h.
15480 (expand_small_movmem_or_setmem,
15481 expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Spelling
15483 (ix86_expand_set_or_movmem): Call do_pending_stack_adjust () early
15484 if dynamic_check != -1.
15486 2016-01-21 Jeff Law <law@redhat.com>
15488 PR middle-end/69347
15489 * tree-ssa-dom.c (back_propagate_equivalences): Factored out of
15490 record_temporary_equivalences. Rewritten to avoid unnecessary calls
15491 into dominated_by_p.
15492 (cprop_into_successor_phis): Avoid unnecessary tests.
15494 2016-01-22 Richard Henderson <rth@redhat.com>
15497 * config/aarch64/aarch64.md (UNSPEC_NZCV): New.
15498 (ccmp<mode>, fccmp<mode>, fccmpe<mode>): Use it.
15500 2016-01-22 Michael Matz <matz@suse.de>
15502 * system.h (string, algorithm): Include only conditionally.
15503 (new): Include always under C++.
15504 * bb-reorder.c (toplevel): Define INCLUDE_ALGORITHM.
15505 * final.c (toplevel): Ditto.
15506 * ipa-chkp.c (toplevel): Define INCLUDE_STRING.
15507 * genconditions.c (write_header): Make gencondmd.c define
15509 * mem-stats.h (mem_usage::print_dash_line): Don't use std::string.
15511 * config/aarch64/aarch64.c (toplevel): Define INCLUDE_STRING.
15512 * common/config/aarch64/aarch64-common.c (toplevel): Ditto.
15514 2016-01-22 Christian Bruel <christian.bruel@st.com>
15517 * expr.c (expand_expr_real_1): Reset DECL_MODE if VECTOR_TYPE_P changed.
15519 2016-01-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
15522 * config/arm/thumb2.md (*thumb2_ior_scc_strict_it): Convert to
15523 define_insn_and_split. Ensure operands[1] and operands[0] do not
15524 get assigned the same register.
15526 2016-01-22 Kugan Vivekanandarajah <kuganv@linaro.org>
15528 * ipa-prop.c (ipa_set_jf_constant): Remove redundant unshare_expr.
15530 2016-01-22 Christian Bruel <christian.bruel@st.com>
15532 * config/arm/arm-c.c (arm_pragma_target_parse):
15533 Remove warn_builtin_macro_redefined overwrite.
15535 2016-01-22 Eric Botcazou <ebotcazou@adacore.com>
15537 * ipa-inline.c (can_inline_edge_p): Back out overzealous check on
15538 flag_non_call_exceptions compatibility.
15540 2016-01-22 Jakub Jelinek <jakub@redhat.com>
15543 * dwarf2out.c (add_child_die_after): New function.
15544 (dwarf_qual_info_t): New type.
15545 (dwarf_qual_info): New variable.
15546 (qualified_die_p): New function.
15547 (modified_type_die): For -fdebug-types-section, ensure
15548 canonical order of qualifiers. Put qualified DIEs adjacent
15549 to the corresponding non-qualified type DIE and search there
15550 for existing qualified DIEs.
15552 2016-01-22 Eric Botcazou <ebotcazou@adacore.com>
15554 * doc/extend.texi (scalar_storage_order type attribute): Document
15555 restriction on type punning and aliasing, and remove future tense.
15557 2016-01-21 Roman Zhuykov <zhroma@ispras.ru>
15560 * modulo-sched.c (optimize_sc): Allow branch-scheduling to add a new
15563 2016-01-21 Jeff Law <law@redhat.com>
15565 PR middle-end/69347
15566 * tree-ssa-dom.c (dom_opt_dom_walker::thread_across_edge): Avoid
15567 useless call to record_temporary_equivalences.
15568 * tree-ssa-threadbackward.c (find_jump_threads_backwards): Just
15569 allocate 10 slots in the bb_path vector and let it grow as needed.
15570 (fsm_find_control_statement_thread_paths): Similarly for the next_path
15573 2016-01-21 David Edelsohn <dje.gcc@gmail.com>
15575 * configure.ac (gcc_cv_as_powerpc_mfcrf, gcc_cv_as_machine_directive):
15577 * configure: Regenerate.
15579 2016-01-21 Pat Haugen <pthaugen@us.ibm.com>
15581 * config/rs6000/aix71.h (ASM_CPU_SPEC): Add entry for Power9.
15582 * config/rs6000/driver-rs6000.c (struct asm_names): Likewise.
15584 2016-01-21 Bernd Schmidt <bschmidt@redhat.com>
15586 PR middle-end/66178
15587 * expr.c (expand_expr_real_2) [PLUS_EXPR, MINUS_EXPR]: Don't
15588 drop EXPAND_INITIALIZER.
15589 * rtl.h (contains_symbolic_reference_p): Declare.
15590 * rtlanal.c (contains_symbolic_reference_p): New function.
15591 * simplify-rtx.c (simplify_binary_operation_1): Don't turn
15592 a subtraction into a NOT if symbolic constants are involved.
15594 2016-01-21 Anton Blanchard <anton@samba.org>
15595 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
15598 * config/rs6000/linux64.h (TARGET_KEEP_LEAF_WHEN_PROFILED): New
15600 * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): New
15603 2016-01-21 Ajit Agarwal <ajitkum@xilinx.com>
15605 * config/microblaze/microblaze.c
15606 (get_branch_target): New.
15607 (insert_wic_for_ilb_runout): New.
15609 (microblaze_machine_dependent_reorg): New.
15610 (TARGET_MACHINE_DEPENDENT_REORG): Define macro.
15611 * config/microblaze/microblaze.md
15612 (UNSPEC_IPREFETCH): Define.
15613 (iprefetch): New pattern
15614 * config/microblaze/microblaze.opt
15615 (mxl-prefetch): New flag.
15617 2016-01-21 Ajit Agarwal <ajitkum@xilinx.com>
15619 * config/microblaze/microblaze.h
15620 (FIXED_REGISTERS): Update in macro.
15621 (CALL_USED_REGISTERS): Update in macro.
15623 2016-01-21 Yuri Rumyantsev <ysrumyan@gmail.com>
15625 PR rtl-optimization/68920
15626 * ifcvt.c (cond_move_process_if_block): Limit number of conditional
15629 2016-01-21 Vladimir Makarov <vmakarov@redhat.com>
15631 PR rtl-optimization/68990
15632 * lra-coalesce.c (lra_coalesce): Invalidate value for the result
15633 pseudo instead of inheritance ones.
15635 2016-01-21 Bernd Edlinger <bernd.edlinger@hotmail.de>
15636 Nick Clifton <nickc@redhat.com>
15640 * config/mips/mips.c (mips_compute_frame_info): Initialise
15641 args_size and hard_frame_pointer_offset fields of the frame
15642 structure before calling mips_global_pointer.
15644 2016-01-21 David Edelsohn <dje.gcc@gmail.com>
15646 * configure.ac (gcc_cv_as_dwloc): Test support for debug frame section
15648 * configure: Regenerate.
15650 2016-01-21 Richard Biener <rguenther@suse.de>
15652 * graphite-optimize-isl.c (get_schedule_map): Fix typo.
15654 2016-01-21 Marcin Kościelnicki <koriakin@0x04.net>
15656 * config/s390/s390.c (s390_asm_declare_function_size): Add code
15657 to actually emit the .size directive.
15659 2016-01-21 Stefan Sørensen <stefan.sorensen@spectralink.com>
15660 Jakub Jelinek <jakub@redhat.com>
15664 * config/arm/arm-builtins.c (arm_expand_neon_builtin): Increase
15665 args array size by one to avoid buffer overflow.
15667 2016-01-21 Marcin Kościelnicki <koriakin@0x04.net>
15669 * config/s390/s390.md (pool_section_start): Use switch_to_section
15670 to select proper read-only data section instead of hardcoding
15672 (pool_section_end): Use switch_to_section to match the above.
15674 2016-01-21 Richard Biener <rguenther@suse.de>
15676 PR tree-optimization/69378
15677 * tree-ssa-sccvn.c (dominated_by_p_w_unex): New function.
15678 (set_ssa_val_to): Use it for dominance checks taking into
15679 account not executable edges.
15681 2016-01-21 Jakub Jelinek <jakub@redhat.com>
15684 * tree-dfa.c (get_ref_base_and_extent): Use GET_MODE_BITSIZE (mode)
15685 for bitsize instead of GET_MODE_PRECISION (mode).
15687 2016-01-20 Martin Sebor <msebor@redhat.com>
15690 * extend.texi (__sync Builtins): Clarify the semantics of
15691 __sync_fetch_and_OP built-ins on pointers.
15692 (__atomic Builtins): Same.
15694 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
15695 Sebastian Pop <s.pop@samsung.com>
15697 * graphite-isl-ast-to-gimple.c (enum phi_node_kind): New.
15698 (class translate_isl_ast_to_gimple): Use phi_node_kind instead of bool.
15699 (is_valid_rename): Same.
15700 (translate_isl_ast_to_gimple::get_rename): Same.
15701 (translate_isl_ast_to_gimple::rename_all_uses): Same.
15702 (translate_isl_ast_to_gimple::rename_uses): Same.
15703 (get_new_name): Check for close_phi nodes.
15704 (copy_loop_phi_args): Use phi_node_kind.
15705 (translate_isl_ast_to_gimple::copy_loop_close_phi_args): Same.
15706 (translate_isl_ast_to_gimple::copy_cond_phi_args): Same.
15708 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
15709 Sebastian Pop <s.pop@samsung.com>
15711 Revert commit r229783.
15712 * graphite-isl-ast-to-gimple.c (gcc_expression_from_isl_ast_expr_id):
15713 Remove use of parameter_rename_map.
15714 (copy_def): Remove.
15715 (copy_internal_parameters): Remove.
15716 (graphite_regenerate_ast_isl): Remove call to copy_internal_parameters.
15717 * sese.c (new_sese_info): Do not initialize parameter_rename_map.
15718 (free_sese_info): Do not free parameter_rename_map.
15719 (set_rename): Do not use parameter_rename_map.
15720 (rename_uses): Update call to set_rename.
15721 (graphite_copy_stmts_from_block): Do not use parameter_rename_map.
15722 * sese.h (parameter_rename_map_t): Remove.
15723 (struct sese_info_t): Remove field parameter_rename_map.
15725 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
15726 Sebastian Pop <s.pop@samsung.com>
15728 * graphite-isl-ast-to-gimple.c: Fix comment.
15729 * graphite-scop-detection.c (defined_in_loop_p): New.
15730 (canonicalize_loop_closed_ssa): Do not add close phi nodes for SSA
15731 names defined in loop.
15733 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
15734 Sebastian Pop <s.pop@samsung.com>
15736 * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
15737 Discard unstructured if-then-else regions.
15739 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
15740 Sebastian Pop <s.pop@samsung.com>
15742 * graphite-sese-to-poly.c (set_scop_parameter_dim): Remove.
15743 (cleanup_loop_iter_dom): Remove.
15744 (build_loop_iteration_domains): Remove.
15745 (build_scop_context): Remove.
15746 (build_scop_iteration_domain): Remove.
15747 (add_loop_constraints): New.
15748 (build_iteration_domains): New.
15749 (build_poly_scop): Call build_iteration_domains.
15751 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
15752 Sebastian Pop <s.pop@samsung.com>
15754 * graphite-scop-detection.c
15755 (scop_detection::harmful_loop_in_region): Free dom and loops.
15756 (scop_detection::loop_body_is_valid_scop): Free bbs.
15758 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
15759 Sebastian Pop <s.pop@samsung.com>
15761 * graphite-scop-detection.c (record_loop_in_sese): New.
15762 (gather_bbs::before_dom_children): Call record_loop_in_sese.
15763 (build_scops): Remove call to build_sese_loop_nests.
15764 * sese.c (sese_record_loop): Remove.
15765 (build_sese_loop_nests): Remove.
15766 (new_sese_info): Remove region->loops.
15767 (free_sese_info): Same.
15768 * sese.h (sese_contains_loop): Same.
15769 (build_sese_loop_nests): Remove.
15770 (sese_contains_loop): Remove.
15772 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
15773 Sebastian Pop <s.pop@samsung.com>
15775 * graphite-scop-detection.c (loop_is_valid_scop): Renamed
15776 loop_is_valid_in_scop.
15777 (scop_detection::harmful_stmt_in_region): Renamed
15778 harmful_loop_in_region.
15779 Call loop_is_valid_in_scop.
15781 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
15782 Sebastian Pop <s.pop@samsung.com>
15784 * graphite-isl-ast-to-gimple.c (translate_isl_ast): Also handle
15787 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
15788 Sebastian Pop <s.pop@samsung.com>
15790 * graphite-poly.c (new_poly_bb): Remove use of PBB_IS_REDUCTION.
15791 * graphite.h (struct poly_bb): Remove field is_reduction.
15792 (PBB_IS_REDUCTION): Remove.
15794 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
15795 Sebastian Pop <s.pop@samsung.com>
15797 * graphite-dependences.c (constrain_domain): Add call to isl_*_coalesce.
15798 (add_pdr_constraints): Same.
15799 (scop_get_reads): Same.
15800 (scop_get_must_writes): Same.
15801 (scop_get_may_writes): Same.
15802 (scop_get_original_schedule): Same.
15803 (extend_schedule): Same.
15804 (apply_schedule_on_deps): Same.
15805 (carries_deps): Same.
15806 (compute_deps): Same.
15807 (scop_get_dependences): Same.
15808 * graphite-isl-ast-to-gimple.c
15809 (translate_isl_ast_to_gimple::generate_isl_schedule): Same.
15810 * graphite-optimize-isl.c (get_schedule_for_band): Same.
15811 (get_schedule_for_band_list): Same.
15812 (get_schedule_map): Same.
15813 (apply_schedule_map_to_scop): Same.
15814 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
15815 (build_loop_iteration_domains): Same.
15816 (add_condition_to_pbb): Same.
15817 (add_param_constraints): Same.
15818 (pdr_add_memory_accesses): Same.
15819 (pdr_add_data_dimensions): Same.
15821 2016-01-20 Sandra Loosemore <sandra@codesourcery.com>
15823 * doc/invoke.texi (Instrumentation Options): Clarify -mmpx linking
15826 2016-01-20 Sandra Loosemore <sandra@codesourcery.com>
15828 * common.opt (feliminate-dwarf2-dups): Replace references to
15829 "DWARF 2" with just "DWARF".
15830 * config/ia64/ia64.opt (mdwarf2-asm): Likewise.
15831 * doc/extend.texi: Likewise.
15832 * doc/cpp.texi: Likewise.
15833 * doc/invoke.texi: Likewise.
15834 (Option Summary): Add -gdwarf to list of Debugging Options.
15835 (Debugging Options): Document -gdwarf.
15836 * doc/contrib.texi: Spell "DWARF" like that.
15838 2016-01-21 Jakub Jelinek <jakub@redhat.com>
15840 * omp-low.c (expand_omp_target): Avoid -Wmaybe-uninitialized
15841 warning. Fix up formatting.
15843 PR middle-end/67653
15844 * gimplify.c (gimplify_asm_expr): Warn if it is too late to
15845 attempt to mark memory input operand addressable and
15846 call prepare_gimple_addressable in that case. Don't adjust
15847 input_location for diagnostics, use error_at instead.
15849 2016-01-20 Peter Bergner <bergner@vnet.ibm.com>
15851 * config/rs6000/ppc-auxv.h: New file.
15852 * config/rs6000/rs6000-builtin.def (cpu_init): Add new builtin.
15853 (cpu_is): Likewise.
15854 (cpu_supports): Likewise.
15855 * config/rs6000/rs6000.c: include "ppc-auxv.h".
15856 (cpu_is_info): New variable.
15857 (cpu_supports_info): Likewise.
15858 (tcb_verification_symbol): Likewise.
15859 (cpu_builtin_p): Likewise.
15860 (cpu_expand_builtin): New function.
15861 (rs6000_expand_ternop_builtin): Add support for CPU builtin functions.
15862 (rs6000_init_builtins): Likewise.
15863 (rs6000_elf_file_end): Emit HWCAP in TCB verification symbol.
15864 * config/rs6000/rs6000.h (TLS_REGNUM): New define.
15865 * configure.ac (gcc_cv_libc_provides_hwcap_in_tcb): New test.
15866 * configure: Regenerate.
15867 * config.in: Likewise.
15868 * doc/extend.texi (PowerPC Built-in Functions): Document
15869 __builtin_cpu_init, __builtin_cpu_is and __builtin_cpu_supports.
15871 2016-01-20 David Edelsohn <dje.gcc@gmail.com>
15874 * config/rs6000/rs6000.c (rs6000_emit_swsqrt): Add vector sqrt
15876 * config/rs6000/vector.md (sqrt<mode>2): Call rs6000_emit_swsqrt
15879 2016-01-20 Richard Henderson <rth@redhat.com>
15885 * tree.c (tm_define_builtin): New.
15886 (find_tm_vector_type): New.
15887 (build_tm_vector_builtins): New.
15888 (build_common_builtin_nodes): Call it.
15890 2016-01-20 Christophe Lyon <christophe.lyon@linaro.org>
15892 * doc/sourcebuild.texi (arm_crypto_pragma_ok): Document new entry.
15893 (arm_fp_ok): Likewise.
15894 (arm_fp): Likewise.
15895 (arm_crypto): Likewise.
15897 2016-01-20 Ilya Enkovich <enkovich.gnu@gmail.com>
15898 Richard Biener <rguenther@suse.de>
15900 PR tree-optimization/69328
15901 * tree-vect-stmts.c (vect_is_simple_cond): Check compared
15902 vectors have same number of elements.
15903 (vectorizable_condition): Fix masked version recognition.
15905 2016-01-20 Richard Biener <rguenther@suse.de>
15907 PR tree-optimization/69345
15908 * tree-ssa-sccvn.h (VN_INFO_RANGE_INFO): New inline function.
15909 (VN_INFO_PTR_INFO): Likewise.
15910 * tree-ssa-sccvn.c (set_ssa_val_to): Avoid clearing points-to
15911 info when it is equal between non-dominating SSA names.
15912 * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
15913 Make sure to look at original SSA infos.
15915 2016-01-20 Jeff Law <law@redhat.com>
15918 * config/m68k/predicates.md (pow2_m1_operand): New predicate
15920 (reg_or_pow2_m1_operand): Call pow2_m1_operand.
15921 (pc_or_label_operand): New predicate.
15922 * config/m68k/m68k.md: Add new peephole2 patterns for GTU/LEU
15923 tests for small integers that are 2^n - 1.
15925 2016-01-20 Jonathan Wakely <jwakely@redhat.com>
15927 * doc/invoke.texi (Options Summary): Add '.' after @xref.
15929 2016-01-19 Jeff Law <law@redhat.com>
15931 PR middle-end/69347
15932 * tree-ssa-threadbackwards.c
15933 (fsm_find_control_statement_thread_paths): Do not try to lookup
15934 FSM paths for SSA_NAMEs appearing in abnormal PHIs.
15936 2016-01-20 Kugan Vivekanandarajah <kuganv@linaro.org>
15938 * doc/lto.texi: Remove text that says only Gold has linker plugin
15941 2016-01-19 Eric Botcazou <ebotcazou@adacore.com>
15943 * dwarf2out.c (need_endianity_attribute_p): New inline predicate.
15944 (base_type_die): Add REVERSE parameter and attach DW_AT_endianity to
15945 the DIE accordingly.
15946 (modified_type_die): Add REVERSE parameter and pass it recursively,
15947 as well as to base_type_die. Adjust presence check accordingly.
15948 (base_type_for_mode): Adjust call to modified_type_die.
15949 (add_type_attribute): Add REVERSE parameter and pass it to
15951 (generic_parameter_die): Adjust call to add_type_attribute.
15952 (add_scalar_info): Likewise.
15953 (add_subscript_info): Likewise.
15954 (gen_array_type_die): Likewise.
15955 (gen_descr_array_type_die): Likewise.
15956 (gen_entry_point_die): Likewise.
15957 (gen_enumeration_type_die): Likewise.
15958 (gen_formal_parameter_die): Likewise.
15959 (gen_subprogram_die): Likewise.
15960 (gen_variable_die ): Likewise.
15961 (gen_const_die): Likewise.
15962 (gen_field_die): Likewise.
15963 (gen_pointer_type_die): Likewise.
15964 (gen_reference_type_die): Likewise.
15965 (gen_ptr_to_mbr_type_die): Likewise.
15966 (gen_inheritance_die): Likewise.
15967 (gen_subroutine_type_die): Likewise.
15968 (gen_typedef_die): Likewise.
15969 (force_type_die): Adjust call to modified_type_die.
15971 2016-01-19 Sandra Loosemore <sandra@codesourcery.com>
15973 * doc/standards.texi: Copy-editing for grammar, markup, and sentence
15974 flow throughout the file. Fix broken link to Objective-C 2.0
15976 * doc/invoke.texi: More copy-editing; fix numerous typos and spelling
15979 2016-01-19 Wilco Dijkstra <wdijkstr@arm.com>
15981 * ccmp.c (expand_ccmp_expr_1): Avoid spurious unused warnings.
15983 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
15986 * ipa-devirt.c (is_cxa_pure_virtual_p): New function.
15987 (maybe_record_node): Record cxa_pure_virtual as the only possible
15988 target if there are not ohter candidates.
15989 (possible_polymorphic_call_target_p): Accept cxa_pure_virtual.
15991 2016-01-19 Richard Biener <rguenther@suse.de>
15993 * hsa-gen.c (get_memory_order_name): Use MEMMODEL_ constants.
15994 (get_memory_order): Likewise.
15996 2016-01-19 Kirill Yukhin <kirill.yukhin@intel.com>
15998 * tree-vect-stmts.c (vectorizable_store): Check
16001 2016-01-19 David Malcolm <dmalcolm@redhat.com>
16004 * gcc.c (driver::decode_argv): Add call to
16005 init_opts_obstack before init_options_struct.
16006 * opts.c (init_opts_obstack): Remove idempotency.
16007 (init_options_struct): Replace call to init_opts_obstack
16008 with a gcc_assert to verify that it has already been called.
16009 * toplev.c (toplev::main): Add call to init_opts_obstack before
16010 calls to init_options_struct.
16011 (toplev::finalize): Move cleanup of opts_obstack next to
16012 cleanup of save_decoded_options, clearing the latter, and
16013 save_decoded_options_count.
16015 2016-01-19 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
16018 * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Set "conds"
16019 attribute to unconditional. Remove %? from output template.
16021 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
16022 Jiong Wang <jiong.wang@arm.com>
16024 * ccmp.c (expand_ccmp_expr_1): Cost the instruction sequences
16025 generated from different expand order.
16027 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
16029 * /config/aarch64/aarch64.c (aarch64_if_then_else_costs):
16030 Add support for CCMP costing.
16032 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
16034 * ccmp.c (ccmp_candidate_p): Remove integer-only restriction.
16035 * config/aarch64/aarch64.md (fccmp<mode>): New pattern.
16036 (fccmpe<mode>): Likewise.
16037 (fcmp): Rename to fcmp and globalize pattern.
16039 * config/aarch64/aarch64.c (aarch64_gen_ccmp_first): Add FP support.
16040 (aarch64_gen_ccmp_next): Add FP support.
16042 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
16044 * target.def (gen_ccmp_first): Update documentation.
16045 (gen_ccmp_next): Likewise.
16046 * doc/tm.texi (gen_ccmp_first): Update documentation.
16047 (gen_ccmp_next): Likewise.
16048 * ccmp.c (expand_ccmp_expr): Extract cmp_code from return value of
16049 expand_ccmp_expr_1. Improve comments.
16050 * config/aarch64/aarch64.md (ccmp_and): Use if_then_else for ccmp.
16051 (ccmp_ior<mode>): Remove pattern.
16052 (cmp<mode>): Remove expand.
16053 (cmp): Globalize pattern.
16054 (cstorecc4): Use cc_register.
16055 (mov<mode>cc): Remove ccmp_cc_register check.
16056 * config/aarch64/aarch64.c (aarch64_get_condition_code_1):
16057 Simplify after removal of CC_DNE/* modes.
16058 (aarch64_ccmp_mode_to_code): Remove.
16059 (aarch64_print_operand): Remove 'K' case. Merge 'm' and 'M' cases.
16060 In 'k' case use integer as condition.
16061 (aarch64_nzcv_codes): Remove inverted cases.
16062 (aarch64_code_to_ccmode): Remove.
16063 (aarch64_gen_ccmp_first): Use cmp pattern directly. Return the correct
16064 comparison with CC register to be used in folowing CCMP/branch/CSEL.
16065 (aarch64_gen_ccmp_next): Use previous comparison and mode in CCMP
16066 pattern. Return the comparison with CC register. Invert conditions
16067 when bitcode is OR.
16068 * config/aarch64/aarch64-modes.def: Remove CC_DNE/* modes.
16069 * config/aarch64/predicates.md (ccmp_cc_register): Remove.
16071 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
16073 * cgraphunit.c (cgraph_node::reset): Clear thunk info and
16074 instrumented_version.
16076 2016-01-19 Richard Biener <rguenther@suse.de>
16078 PR tree-optimization/69336
16079 * tree-ssa-scopedtables.c (avail_expr_hash): Handle all
16080 handled components with get_ref_base_and_extent.
16081 (equal_mem_array_ref_p): Adjust.
16083 2016-01-19 Jakub Jelinek <jakub@redhat.com>
16086 * shrink-wrap.c: Include valtrack.h.
16087 (move_insn_for_shrink_wrap): Add DEBUG argument. If
16088 MAY_HAVE_DEBUG_INSNS, call dead_debug_add on DEBUG_INSNs
16089 in between insn and where it will be moved to. Call
16090 dead_debug_insert_temp.
16091 (prepare_shrink_wrap): Adjust caller. Call dead_debug_local_init
16092 first and dead_debug_local_finish at the end.
16093 For uses and defs bitmap, handle all regs in between REGNO and
16094 END_REGNO, not just the first one.
16096 2016-01-19 Richard Biener <rguenther@suse.de>
16098 PR tree-optimization/69352
16099 * tree-ssa-scopedtables.c (avail_expr_hash): Check for size == -1.
16100 (equal_mem_array_ref_p): Constrain size and max size properly.
16101 Compare the reverse flag.
16103 2016-01-19 Bernd Schmidt <bschmidt@redhat.com>
16105 * ira.c (ira): Update regstat data if we deleted insns.
16107 2016-01-19 Jakub Jelinek <jakub@redhat.com>
16109 PR rtl-optimization/68955
16110 PR rtl-optimization/64557
16111 * dse.c (record_store, check_mem_read_rtx): Don't call get_addr
16112 here. Fix up formatting.
16113 * alias.c (get_addr): Handle VALUE +/- CONST_SCALAR_INT_P.
16115 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
16118 * cgraphunit.c (cgraph_node::expand_thunk): When forcing gimple
16119 assume that the node has body.
16120 * cgraph.c (cgraph_node::get_untransformed_body): Use gimple_body_p
16123 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
16125 * lto-streamer-out.c (lto_output): Do not stream instrumentation
16128 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
16130 * symtab.c (symtab_node::asm_name): Do not call printable name directly.
16131 (symtab_node::name): Report name as unnamed if DECL_NAME is not set.
16133 2016-01-19 Martin Jambor <mjambor@suse.cz>
16134 Martin Liska <mliska@suse.cz>
16135 Michael Matz <matz@suse.de>
16137 * Makefile.in (OBJS): Add new source files.
16138 (GTFILES): Add hsa.c.
16139 * common.opt (disable_hsa): New variable.
16140 (-Whsa): New warning.
16141 * config.in (ENABLE_HSA): New.
16142 * configure.ac: Treat hsa differently from other accelerators.
16143 (OFFLOAD_TARGETS): Define ENABLE_OFFLOADING according to
16144 $enable_offloading.
16145 (ENABLE_HSA): Define ENABLE_HSA according to $enable_hsa.
16146 * doc/install.texi (Configuration): Document --with-hsa-runtime,
16147 --with-hsa-runtime-include, --with-hsa-runtime-lib and
16148 --with-hsa-kmt-lib.
16149 * doc/invoke.texi (-Whsa): Document.
16150 (hsa-gen-debug-stores): Likewise.
16151 * lto-wrapper.c (compile_images_for_offload_targets): Do not attempt
16152 to invoke offload compiler for hsa acclerator.
16153 * opts.c (common_handle_option): Determine whether HSA offloading
16154 should be performed.
16155 * params.def (PARAM_HSA_GEN_DEBUG_STORES): New parameter.
16156 * builtin-types.def (BT_FN_VOID_UINT_PTR_INT_PTR): New.
16157 (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_INT_INT): Removed.
16158 (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): New.
16159 * gimple-low.c (lower_stmt): Also handle GIMPLE_OMP_GRID_BODY.
16160 * gimple-pretty-print.c (dump_gimple_omp_for): Also handle
16161 GF_OMP_FOR_KIND_GRID_LOOP.
16162 (dump_gimple_omp_block): Also handle GIMPLE_OMP_GRID_BODY.
16163 (pp_gimple_stmt_1): Likewise.
16164 * gimple-walk.c (walk_gimple_stmt): Likewise.
16165 * gimple.c (gimple_build_omp_grid_body): New function.
16166 (gimple_copy): Also handle GIMPLE_OMP_GRID_BODY.
16167 * gimple.def (GIMPLE_OMP_GRID_BODY): New.
16168 * gimple.h (enum gf_mask): Added GF_OMP_PARALLEL_GRID_PHONY,
16169 GF_OMP_FOR_KIND_GRID_LOOP, GF_OMP_FOR_GRID_PHONY and
16170 GF_OMP_TEAMS_GRID_PHONY.
16171 (gimple_statement_omp_single_layout): Updated comments.
16172 (gimple_build_omp_grid_body): New function.
16173 (gimple_has_substatements): Also handle GIMPLE_OMP_GRID_BODY.
16174 (gimple_omp_for_grid_phony): New function.
16175 (gimple_omp_for_set_grid_phony): Likewise.
16176 (gimple_omp_parallel_grid_phony): Likewise.
16177 (gimple_omp_parallel_set_grid_phony): Likewise.
16178 (gimple_omp_teams_grid_phony): Likewise.
16179 (gimple_omp_teams_set_grid_phony): Likewise.
16180 (gimple_return_set_retbnd): Also handle GIMPLE_OMP_GRID_BODY.
16181 * omp-builtins.def (BUILT_IN_GOMP_OFFLOAD_REGISTER): New.
16182 (BUILT_IN_GOMP_OFFLOAD_UNREGISTER): Likewise.
16183 (BUILT_IN_GOMP_TARGET): Updated type.
16184 * omp-low.c: Include symbol-summary.h, hsa.h and params.h.
16185 (adjust_for_condition): New function.
16186 (get_omp_for_step_from_incr): Likewise.
16187 (extract_omp_for_data): Moved parts to adjust_for_condition and
16188 get_omp_for_step_from_incr.
16189 (build_outer_var_ref): Handle GIMPLE_OMP_GRID_BODY.
16190 (fixup_child_record_type): Bail out if receiver_decl is NULL.
16191 (scan_sharing_clauses): Handle OMP_CLAUSE__GRIDDIM_.
16192 (scan_omp_parallel): Do not create child functions for phony
16194 (check_omp_nesting_restrictions): Handle GIMPLE_OMP_GRID_BODY.
16195 (scan_omp_1_op): Checking assert we are not remapping to
16196 ERROR_MARK. Also also handle GIMPLE_OMP_GRID_BODY.
16197 (parallel_needs_hsa_kernel_p): New function.
16198 (expand_parallel_call): Register apprpriate parallel child
16199 functions as HSA kernels.
16200 (grid_launch_attributes_trees): New type.
16201 (grid_attr_trees): New variable.
16202 (grid_create_kernel_launch_attr_types): New function.
16203 (grid_insert_store_range_dim): Likewise.
16204 (grid_get_kernel_launch_attributes): Likewise.
16205 (get_target_argument_identifier_1): Likewise.
16206 (get_target_argument_identifier): Likewise.
16207 (get_target_argument_value): Likewise.
16208 (push_target_argument_according_to_value): Likewise.
16209 (get_target_arguments): Likewise.
16210 (expand_omp_target): Call get_target_arguments instead of looking
16211 up for teams and thread limit.
16212 (grid_expand_omp_for_loop): New function.
16213 (grid_arg_decl_map): New type.
16214 (grid_remap_kernel_arg_accesses): New function.
16215 (grid_expand_target_kernel_body): New function.
16216 (expand_omp): Call it.
16217 (lower_omp_for): Do not emit phony constructs.
16218 (lower_omp_taskreg): Do not emit phony constructs but create for them
16219 a temporary variable receiver_decl.
16220 (lower_omp_taskreg): Do not emit phony constructs.
16221 (lower_omp_teams): Likewise.
16222 (lower_omp_grid_body): New function.
16223 (lower_omp_1): Call it.
16224 (grid_reg_assignment_to_local_var_p): New function.
16225 (grid_seq_only_contains_local_assignments): Likewise.
16226 (grid_find_single_omp_among_assignments_1): Likewise.
16227 (grid_find_single_omp_among_assignments): Likewise.
16228 (grid_find_ungridifiable_statement): Likewise.
16229 (grid_target_follows_gridifiable_pattern): Likewise.
16230 (grid_remap_prebody_decls): Likewise.
16231 (grid_copy_leading_local_assignments): Likewise.
16232 (grid_process_kernel_body_copy): Likewise.
16233 (grid_attempt_target_gridification): Likewise.
16234 (grid_gridify_all_targets_stmt): Likewise.
16235 (grid_gridify_all_targets): Likewise.
16236 (execute_lower_omp): Call grid_gridify_all_targets.
16237 (make_gimple_omp_edges): Handle GIMPLE_OMP_GRID_BODY.
16238 * tree-core.h (omp_clause_code): Added OMP_CLAUSE__GRIDDIM_.
16239 (tree_omp_clause): Added union field dimension.
16240 * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__GRIDDIM_.
16241 * tree.c (omp_clause_num_ops): Added number of arguments of
16242 OMP_CLAUSE__GRIDDIM_.
16243 (omp_clause_code_name): Added name of OMP_CLAUSE__GRIDDIM_.
16244 (walk_tree_1): Handle OMP_CLAUSE__GRIDDIM_.
16245 * tree.h (OMP_CLAUSE_GRIDDIM_DIMENSION): New.
16246 (OMP_CLAUSE_SET_GRIDDIM_DIMENSION): Likewise.
16247 (OMP_CLAUSE_GRIDDIM_SIZE): Likewise.
16248 (OMP_CLAUSE_GRIDDIM_GROUP): Likewise.
16249 * passes.def: Schedule pass_ipa_hsa and pass_gen_hsail.
16250 * tree-pass.h (make_pass_gen_hsail): Declare.
16251 (make_pass_ipa_hsa): Likewise.
16252 * ipa-hsa.c: New file.
16253 * lto-section-in.c (lto_section_name): Add hsa section name.
16254 * lto-streamer.h (lto_section_type): Add hsa section.
16255 * timevar.def (TV_IPA_HSA): New.
16256 * hsa-brig-format.h: New file.
16257 * hsa-brig.c: New file.
16258 * hsa-dump.c: Likewise.
16259 * hsa-gen.c: Likewise.
16262 * toplev.c (compile_file): Call hsa_output_brig.
16263 * hsa-regalloc.c: New file.
16265 2016-01-18 Jeff Law <law@redhat.com>
16267 PR tree-optimization/69320
16268 * tree-ssa-dom.c (record_edge_info): For comparisons against a boolean
16269 ranged object, do nothing if the RHS constant is not [0..1].
16270 (optimize_stmt): Comparing a boolean ranged object against a
16271 constant outside [0..1] results in a compile-time constant.
16273 * tree-ssanames.c (ssa_name_has_boolean_range): Remove unnecessary
16276 2016-01-18 Sandra Loosemore <sandra@codesourcery.com>
16278 * doc/invoke.texi (Invoking GCC): Add new section to menu.
16279 (Option Summary): Update to reflect new section and moved options.
16280 (C++ Dialect Options): Move -fstats to new section.
16281 (Debugging Options): Move all dump, statistics, and other GCC
16282 developer options to new section. Rewrite section introduction
16283 and re-order remaining options to put the more basic ones first.
16284 (Optimization Options): Move -fira-verbose and -flto-report* to
16286 (Developer Options): New section incorporating moved options.
16287 * doc/cppopts.texi (-dM): Update cross-reference.
16289 2016-01-18 Richard Henderson <rth@redhat.com>
16292 * config/aarch64/aarch64.md (add<GPI>3): Move long immediate
16293 operands to pseudo only if CSE is expected. Split long immediate
16294 operands only after reload, and for the stack pointer.
16295 (*add<GPI>3_pluslong): Remove.
16296 (*addsi3_aarch64, *adddi3_aarch64): Merge into...
16297 (*add<GPI>3_aarch64): ... here. Add r/rk/Upl alternative.
16298 (*addsi3_aarch64_uxtw): Add r/rk/Upl alternative.
16299 (*add<GPI>3 peepholes): New.
16300 (*add<GPI>3 splitters): New.
16301 * config/aarch64/constraints.md (Upl): New.
16302 * config/aarch64/predicates.md (aarch64_pluslong_strict_immedate): New.
16304 2016-01-18 Richard Biener <rguenther@suse.de>
16306 PR tree-optimization/69297
16307 * tree-vect-slp.c (vect_bb_slp_scalar_cost): Count each scalar
16309 (vect_bb_vectorization_profitable_p): Clear visited flag again.
16311 2016-01-18 Yuri Rumyantsev <ysrumyan@gmail.com>
16313 PR middle-end/68542
16314 * fold-const.c (fold_binary_op_with_conditional_arg): Bail out for case
16315 of mixind vector and scalar types.
16316 (fold_relational_const): Add handling of vector
16317 comparison with boolean result.
16318 * tree-cfg.c (verify_gimple_comparison): Add argument CODE, allow
16319 comparison of vector operands with boolean result for EQ/NE only.
16320 (verify_gimple_assign_binary): Adjust call for verify_gimple_comparison.
16321 (verify_gimple_cond): Likewise.
16322 * tree-vrp.c (extract_code_and_val_from_cond_with_ops): Modify check on
16325 2016-01-18 Joseph Myers <joseph@codesourcery.com>
16327 * config/mips/mips.h (ISA_HAS_PAIRED_SINGLE): Require
16330 2016-01-18 Richard Biener <rguenther@suse.de>
16332 PR middle-end/69308
16333 * gimple.c (gimple_could_trap_p_1): Handle GIMPLE_COND.
16335 2016-01-18 Tom de Vries <tom@codesourcery.com>
16337 * passes.def: Add pass_parallelize_loops to pass_oacc_kernels.
16339 2016-01-18 Tom de Vries <tom@codesourcery.com>
16341 * omp-low.c (set_oacc_fn_attrib): Make extern.
16342 * omp-low.h (set_oacc_fn_attrib): Declare.
16343 * tree-parloops.c (struct reduction_info): Add reduc_addr field.
16344 (create_call_for_reduction_1): Handle case that reduc_addr is non-NULL.
16345 (create_parallel_loop, gen_parallel_loop, try_create_reduction_list):
16346 Add and handle function parameter oacc_kernels_p.
16347 (find_reduc_addr, get_omp_data_i_param): New function.
16348 (ref_conflicts_with_region, oacc_entry_exit_ok_1)
16349 (oacc_entry_exit_single_gang, oacc_entry_exit_ok): New function.
16350 (parallelize_loops): Add and handle function parameter oacc_kernels_p.
16351 Calculate dominance info. Skip loops that are not in a kernels region
16352 in oacc_kernels_p mode. Skip inner loops of parallelized loops.
16353 (pass_parallelize_loops::execute): Call parallelize_loops with
16354 oacc_kernels_p argument.
16355 (pass_parallelize_loops::clone, pass_parallelize_loops::set_pass_param):
16356 New member function.
16357 (pass_parallelize_loops::bool oacc_kernels_p): New member var.
16358 * passes.def: Add argument to pass_parallelize_loops instantation.
16360 2016-01-18 Tom de Vries <tom@codesourcery.com>
16362 * tree-parloops.c (pass_parallelize_loops::execute): Allow
16363 pass_parallelize_loops to be run outside the loop pipeline.
16365 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
16367 * tree-scalar-evolution.c (follow_copies_to_constant): New.
16368 (analyze_initial_condition, analyze_scalar_evolution_1): Call previous.
16370 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
16373 * tree-ssa-scopedtables.c (avail_expr_hash): Hash MEM_REF and ARRAY_REF
16374 using get_ref_base_and_extent.
16375 (equal_mem_array_ref_p): New.
16376 (hashable_expr_equal_p): Add call to previous.
16378 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
16381 * tree-sra.c (disqualified_constants, constant_decl_p): New.
16382 (sra_initialize): Allocate disqualified_constants.
16383 (sra_deinitialize): Free disqualified_constants.
16384 (disqualify_candidate): Update disqualified_constants when appropriate.
16385 (create_access): Scan for constant-pool entries as we go along.
16386 (scalarizable_type_p): Add check against type_contains_placeholder_p.
16387 (maybe_add_sra_candidate): Allow constant-pool entries.
16388 (load_assign_lhs_subreplacements): Bind debug for constant pool vars.
16389 (initialize_constant_pool_replacements): New.
16390 (sra_modify_assign): Avoid mangling assignments created by previous,
16391 and don't generate writes into constant pool.
16392 (sra_modify_function_body): Call initialize_constant_pool_replacements.
16394 2016-01-18 Ilya Enkovich <enkovich.gnu@gmail.com>
16396 * config/i386/i386.c (scalar_to_vector_candidate_p): Support
16397 andnot instruction.
16398 (scalar_chain::convert_op): Likewise.
16399 * config/i386/i386.md (*andndi3_doubleword): New.
16401 2016-01-18 Richard Biener <rguenther@suse.de>
16403 PR tree-optimization/69170
16404 * tree-vect-slp.c (vect_build_slp_tree): Verify we are not
16405 building a vector from scalar results of a pattern stmt.
16407 2016-01-18 Jakub Jelinek <jakub@redhat.com>
16409 * haifa-sched.c (autopref_multipass_init): Work around
16410 -Wmaybe-uninitialized warning.
16412 2016-01-18 Thomas Preud'homme <thomas.preudhomme@arm.com>
16414 * config/arm/arm.c (thumb1_reorg): Check that the comparison is
16415 against the constant 0.
16417 2016-01-17 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
16419 PR tree-optimization/68799
16420 * gimple-ssa-strength-reduction.c (create_phi_basis): Directly
16421 look up phi candidates in the statement-candidate map.
16422 (phi_add_costs): Likewise.
16423 (record_phi_increments): Likewise.
16424 (phi_incr_cost): Likewise.
16425 (ncd_with_phi): Likewise.
16426 (all_phi_incrs_profitable): Likewise.
16428 2016-01-17 Jakub Jelinek <jakub@redhat.com>
16430 * omp-low.c (mark_loops_in_oacc_kernels_region): Work around
16431 -Wmaybe-uninitialized warning.
16433 2016-01-16 Sandra Loosemore <sandra@codesourcery.com>
16435 * doc/invoke.texi (Invoking GCC): Add new section to menu.
16436 (Option Summary): Update to reflect new section and moved options.
16437 (C++ Dialect Options): Move -fvtable-verify and related options.
16438 (Debugging Options): Move Sanitizer, Pointer Bounds Checker,
16439 and profiling-related options.
16440 (Optimization Options): Move profile generation options and
16441 -fstack-protector and related options.
16442 (Instrumentation Options): New section incorporating moved options.
16443 (Code Generation Options): Move -finstrument-functions and
16444 related options, -fstack-check, -fstack-limit*, and -fbounds-check.
16446 2016-01-16 Tom de Vries <tom@codesourcery.com>
16448 * passes.def: Move pass_expand_omp_ssa out of pass_parallelize_loops.
16450 2016-01-16 Tom de Vries <tom@codesourcery.com>
16452 * omp-low.c (expand_omp_atomic_fetch_op): Release defs of update stmt.
16454 2016-01-16 Richard Sandiford <richard.sandiford@arm.com>
16456 * hash-table.h (hash_table::empty): Turn into an inline wrapper
16457 that checks whether the table is already empty. Rename the
16458 original implementation to...
16459 (hash_table::empty_slot): ...this new private function.
16461 2016-01-15 David Malcolm <dmalcolm@redhat.com>
16463 PR diagnostic/68899
16464 * diagnostic-show-locus.c (layout::print_source_line): Move x
16465 offset of line until after call to
16466 get_line_width_without_trailing_whitespace.
16468 2016-01-15 Jeff Law <law@redhat.com>
16470 PR tree-optimization/69270
16471 * tree-ssanames.c (ssa_name_has_boolean_range): Moved here from
16472 tree-ssa-dom.c. Improve test for [0..1] ranve from VRP.
16473 * tree-ssa-dom.c (ssa_name_has_boolean_range): Remove.
16474 * tree-ssanames.h (ssa_name_has_boolean_range): Prototype.
16475 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
16476 ssa_name_has_boolean_range and constant_boolean_node.
16478 2016-01-15 Vladimir Makarov <vmakarov@redhat.com>
16480 PR rtl-optimization/69030
16481 * lra-spills.c (remove_pseudos): Check nrefs and make the function
16483 (spill_pseudos): Delete debug insn for dead pseudo.
16484 (lra_spill): Initiate spill_hard_reg and slots memory separately.
16486 2016-01-15 Jiong Wang <jiong.wang@arm.com>
16488 * config/aarch64/aarch64-builtins.c (aarch64_types_unopus_qualifiers):
16490 (TYPES_UNOPUS): Likewise.
16491 * config/aarch64/aarch64-simd-builtins.def (lbtruncuv2sf): Correct
16492 builtin type, from UNOP to UNOPUS.
16493 (lbtruncuv4sf): Likewise.
16494 (lbtruncuv2df): Likewise.
16495 (lrounduv2sf): Likewise.
16496 (lrounduv4sf): Likewise.
16497 (lrounduv2df): Likewise.
16498 (lroundusf): Likewise.
16499 (lroundusf): Likewise.
16500 (lceiluv2sf): Likewise.
16501 (lceiluv4sf): Likewise.
16502 (lceiluv2df): Likewise.
16503 (lceilusf): Likewise.
16504 (lceiludf): Likewise.
16505 (lflooruv2sf): Likewise.
16506 (lflooruv4sf): Likewise.
16507 (lflooruv2df): Likewise.
16508 (lfloorusf): Likewise.
16509 (lfloorudf): Likewise.
16510 (lfrintnuv2sf): Likewise.
16511 (lfrintnuv4sf): Likewise.
16512 (lfrintnuv2df): Likewise.
16513 (lfrintnusf): Likewise.
16514 (lfrintnudf): Likewise.
16515 * config/aarch64/arm_neon.h (vcvt_u32_f32): Remove unncessary type
16517 (vcvtq_u32_f32): Likewise.
16518 (vcvtq_u64_f64): Likewise.
16519 (vcvta_u32_f32): Likewise.
16520 (vcvtaq_u32_f32): Likewise.
16521 (vcvtaq_u64_f64): Likewise.
16522 (vcvtm_u32_f32): Likewise.
16523 (vcvtmq_u32_f32): Likewise.
16524 (vcvtmq_u64_f64): Likewise.
16525 (vcvtn_u32_f32): Likwise.
16526 (vcvtnq_u32_f32): Likewise.
16527 (vcvtnq_u64_f64): Likewise.
16528 (vcvtp_u32_f32): Likewise.
16529 (vcvtpq_u32_f32): Likewise.
16530 (vcvtpq_u64_f64): Likewise.
16531 (vcvtmd_u64_f64): Likewise.
16532 (vcvtms_u32_f32): Likewise.
16533 (vcvtad_u64_f64): Likewise.
16534 (vcvtas_u32_f32): Likewise.
16535 (vcvtnd_u64_f64): Likewise.
16536 (vcvtns_u32_f32): Likewise.
16537 (vcvtpd_u64_f64): Likewise.
16538 (vcvtps_u32_f32): Likewise.
16540 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
16542 * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Handle
16543 CSEL of zero_extended registers.
16545 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
16547 * config/aarch64/aarch64.c (aarch64_rtx_costs, COMPARE case):
16548 Handle COMPARE of ZERO_EXTRACT against zero form of TST-immediate.
16550 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
16552 * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Return
16553 false when argument string is not found in the attributes table
16556 2016-01-15 David Edelsohn <dje.gcc@gmail.com>
16559 * config/rs6000/rs6000.c (rs6000_emit_msub): Delete.
16560 (rs6000_emit_swsqrt): Convert to Goldschmidt's Algorithm
16561 * config/rs6000/rs6000.md (sqrt<mode>2): Limit swsqrt to high
16562 precision estimate.
16564 2016-01-15 Richard Biener <rguenther@suse.de>
16566 PR tree-optimization/66856
16567 * tree-vect-loop.c (vect_transform_loop): Free SLP instances here.
16568 * tree-vect-slp.c (vect_free_slp_tree): Decrement stmt reference count.
16569 (vect_create_new_slp_node): Increment stmt reference count.
16570 (vect_get_and_check_slp_defs): Make sure stmts are nor already in
16571 an SLP tree before swapping operands.
16572 (vect_build_slp_tree): Likewise.
16573 (destroy_bb_vec_info): Free stmt info after SLP instances.
16574 * tree-vect-stmts.c (new_stmt_vec_info): Initialize reference count.
16575 * tree-vectorizer.h (struct _stmt_vec_info): Add num_slp_uses field.
16576 (STMT_VINFO_NUM_SLP_USES): New macro.
16578 2016-01-15 Richard Biener <rguenther@suse.de>
16581 * dwarf2out.c (add_linkage_name_raw): New function split out from ...
16582 (add_linkage_name): ... here.
16583 (gen_typedef_die): Use add_linkage_name_raw instead of
16584 add_linkage_attr to delay DECL_ASSEMBLER_NAME computation
16587 2016-01-15 Cesar Philippidis <cesar@codesourcery.com>
16589 * gimplify.c (oacc_default_clause): Decode reference and pointer
16590 types for both kernels and parallel regions.
16592 2016-01-15 Richard Sandiford <richard.sandiford@arm.com>
16594 PR middle-end/69246
16595 * calls.c (emit_call_1): Force n_popped to zero for sibcalls.
16597 2016-01-15 Ilya Enkovich <enkovich.gnu@gmail.com>
16599 * config/i386/i386.c (scalar_chain::compute_convert_gain): Fix typo.
16600 (convert_scalars_to_vector): Likewise.
16602 2016-01-15 Jonathan Wakely <jwakely@redhat.com>
16604 * doc/extend.texi (Type Traits): Fix grammar.
16606 2016-01-15 Martin Jambor <mjambor@suse.cz>
16608 * tree-inline.c (remap_decl): Use existing dclarations if
16609 remapping a type and prevent_decl_creation_for_types.
16610 (replace_locals_stmt): Do an initial remapping of non-VLA typed
16611 decls first. Do real remapping with
16612 prevent_decl_creation_for_types set.
16613 * tree-inline.h (copy_body_data): New field
16614 prevent_decl_creation_for_types, moved remap_var_for_cilk to avoid
16617 2016-01-15 Dominik Vogt <vogt@linux.vnet.ibm.com>
16619 * config/s390/s390.opt (mmvcle): More verbose help text.
16621 2016-01-15 Dominik Vogt <vogt@linux.vnet.ibm.com>
16623 * config/s390/s390.opt: Add period to -mzvector option text.
16625 2016-01-15 Richard Biener <rguenther@suse.de>
16627 PR tree-optimization/68961
16628 * tree-vect-slp.c (vect_analyze_slp_cost_1): Consider cost
16629 of invariants in stores again.
16631 2016-01-15 Sebastian Huber <sebastian.huber@embedded-brains.de>
16633 * config/arm/t-rtems: Add cortex-m7/fpv5-d16 multilib.
16635 2016-01-15 Ilya Enkovich <enkovich.gnu@gmail.com>
16637 * config/i386/i386.c (ix86_expand_branch): Don't split
16638 DI mode xor instruction to SI mode.
16640 2016-01-15 Jan Hubicka <hubicka@ucw.cz>
16643 * ipa-icf.c (sem_function::merge): Virtual functions may become
16644 reachable even if they address is not taken and there are no
16647 2016-01-15 Jan Hubicka <hubicka@ucw.cz>
16649 * lto-streamer-out.c (subtract_estimated_size): New function.
16650 (get_symbol_initial_value): Use it.
16652 2016-01-15 Christian Bruel <christian.bruel@st.com>
16655 * config/arm/arm-builtins.c (ARM_BUILTIN_CRYPTO_BASE): New enum tag.
16656 (arm_init_neon_builtins_internal): Rename arm_init_neon_builtins,
16657 (arm_init_crypto_builtins_internal): Rename arm_init_crypto_builtins.
16658 use add_builtin_function_ext_scope instead of add_builtin_function.
16659 (neon_set_p, neon_crypto_set_p): Remove.
16660 (arm_init_builtins): Always call arm_init_neon_builtins and
16661 arm_init_crypto_builtins.
16662 (arm_expand_builtin): Check that builtins are allowed for the arch.
16663 * config/arm/arm-protos.h (arm_init_neon_builtins): Remove prototype.
16664 * config/arm/arm.c (arm_valid_target_attribute_tree): Remove
16665 arm_init_neon_builtins call.
16667 2016-01-15 Richard Biener <rguenther@suse.de>
16669 PR tree-optimization/69117
16670 * tree-ssa-sccvn.h (struct vn_ssa_aux): Add info member.
16671 * tree-ssa-sccvn.c (set_ssa_val_to): Save and adjust SSA name info
16672 of the leader conservatively.
16673 (free_scc_vn): Restore original SSA name infos.
16675 2016-01-14 Jeff Law <law@redhat.com>
16677 PR tree-optimization/69270
16678 * tree-ssa-dom.c (ssa_name_has_boolean_range): If the type has a
16679 single bit of precision, verify it's also unsigned.
16680 (record_edge_info): Use constant_boolean_node rather than fold_convert
16681 to convert boolean_true/boolean_false to the right type.
16683 2016-01-14 Richard Henderson <rth@redhat.com>
16686 * loop-doloop.c (record_reg_sets): New.
16687 (doloop_optimize): Reject the transform if the sequence
16688 clobbers registers live at the end of the loop block.
16689 (doloop_optimize_loops): Enable df_live if needed.
16691 2016-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
16693 * config/rs6000/rs6000-builtin.def: Revert 2016-01-13 change.
16694 * config/rs6000/rs6000.c: Likewise.
16695 * config/rs6000/rs6000.h: Likewise.
16696 * config/rs6000/rs6000.md: Likewise.
16697 * doc/extend.texi: Likewsie.
16699 2016-01-14 Jeff Law <law@redhat.com>
16701 * tree-ssa-dom.c (ssa_name_has_boolean_range): Fix comment
16704 2016-01-14 Richard Henderson <rth@redhat.com>
16708 * trans-mem.c (tm_log_emit_stmt): Fix unit size to bit size.
16709 * tree.c (build_tm_vector_builtins): Use builtin_decl_explicit_p
16710 instead of builtin_decl_declared_p to test for declaration.
16712 2016-01-14 Nicklas Bo Jensen <nbjensen@gmail.com>
16714 * doc/loop.texi (Loop Analysis and Representation): Document
16715 loop_depth function.
16717 2016-01-14 Tom de Vries <tom@codesourcery.com>
16719 PR tree-optimization/68773
16720 * omp-low.c (expand_omp_target): Don't set force_output.
16721 * varpool.c (varpool_node::get_create): Same.
16722 * lto-cgraph.c (input_offload_tables): Mark entries in offload_vars and
16723 offload_funcs with force_output.
16725 2016-01-14 Jakub Jelinek <jakub@redhat.com>
16728 * lra-eliminations.c (move_plus_up): Don't change anything if either
16729 the outer or inner subreg mode is not MODE_INT.
16730 * dwarf2out.c (mem_loc_descriptor): For SUBREG, if outer mode is
16731 integral <= DWARF2_ADDR_SIZE, convert to untyped afterwards.
16733 2016-01-14 Alan Lawrence <alan.lawrence@arm.com>
16735 * doc/md.texi (reduc_smin_@var{m}, reduc_smax_@var{m},
16736 reduc_umin_@var{m}, reduc_umax_@var{m}, reduc_splus_@var{m},
16737 reduc_uplus_@var{m}): Remove.
16738 * expr.c (expand_expr_real_2): Remove expansion path for
16739 reduc_[us](min|max|plus) optabs.
16740 * optabs-tree.c (scalar_reduc_to_vector): Remove.
16741 * optabs-tree.h (scalar_reduc_to_vector): Remove.
16742 * optabs.def (reduc_smax_optab, reduc_smin_optab, reduc_splus_optab,
16743 reduc_umax_optab, reduc_umin_optab, reduc_uplus_optab): Remove.
16744 * tree-vect-loop.c (vectorizable_reduction): Remove test for
16745 reduc_[us](min|max|plus) optabs.
16747 2016-01-14 Alan Lawrence <alan.lawrence@arm.com>
16749 * config/mips/mips-ps-3d.md (reduc_splus_v2sf): Remove.
16750 (reduc_plus_scal_v2sf): New.
16751 (reduc_smax_v2sf): Rename to...
16752 (reduc_smax_scal_v2sf): ...here, make result SFmode, add vec_extract.
16753 (reduc_smin_v2sf): Rename to...
16754 (reduc_smin_scal_v2sf): ...here, make result SFmode, add vec_extract.
16756 2016-01-14 Jan Hubicka <hubicka@ucw.cz>
16758 * alias.c (compare_base_symbol_refs): New function.
16759 (rtx_equal_for_memref_p, base_alias_check, memrefs_conflict_p): Use
16762 2016-01-14 Jakub Jelinek <jakub@redhat.com>
16764 PR middle-end/68146
16765 PR tree-optimization/69155
16766 * tree-complex.c: Include cfganal.h.
16767 (phis_to_revisit): New variable.
16768 (extract_component): Add phiarg_p argument. Assert that returned
16769 SSA_NAME has non-NULL SSA_NAME_DEF_STMT unless phiarg_p is true.
16770 (update_phi_components): Partly rewrite to use loop over real/imag
16771 components instead of code duplication. If extract_component returns
16772 SSA_NAME with NULL SSA_NAME_DEF_STMT, store SSA_NAME_VAR or
16773 create_tmp_reg into the PHI node instead, and mention the phi triplet
16774 in phis_to_revisit.
16775 (tree_lower_complex): Walk bbs in rpo order. Adjust phis recorded
16776 in phis_to_revisit at the end.
16778 2016-01-14 Richard Biener <rguenther@suse.de>
16780 PR tree-optimization/68060
16781 * tree-vect-loop.c (vect_is_simple_reduction): Check the
16782 outer loop reduction is only used in the inner loop before
16783 detecting a double reduction.
16785 2016-01-14 Jakub Jelinek <jakub@redhat.com>
16788 * combine.c (expand_field_assignment): Punt if compute_mode is
16789 unsupported scalar mode.
16791 2016-01-14 Richard Biener <rguenther@suse.de>
16793 PR tree-optimization/66856
16794 * tree-vect-slp.c (vect_build_slp_tree): Refactor to build
16795 SLP node only if it built successfully.
16796 (vect_analyze_slp_instance): Adjust.
16798 2016-01-14 Jeff Law <law@redhat.com>
16800 PR tree-optimization/69270
16801 * tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
16802 (record_edge_info): Use it. Convert boolean_{true,false}_node
16803 to the type of op0.
16805 2016-01-13 Jan Hubicka <hubicka@ucw.cz>
16808 * ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p):
16809 use block_ultimate_origin
16810 (noncall-stmt_may_be_vtbl_ptr_store): Likewise.
16812 2016-01-13 Sandra Loosemore <sandra@codesourcery.com>
16814 * doc/invoke.texi (Submodel Options): Rename section to
16815 "Machine-Dependent Options" to better reflect its content.
16816 Rewrite introductory text to remove archaic CPU names.
16819 2016-01-13 Sandra Loosemore <sandra@codesourcery.com>
16821 * doc/invoke.texi (Code Gen Options): Move section up in file,
16822 before target-specific options. Update menu and option summary
16823 to reflect the new section ordering.
16825 2016-01-13 Jonathan Wakely <jwakely@redhat.com>
16827 * doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
16828 (C++ Dialect Options): Add cross-reference to -std option.
16829 * doc/standards.texi (C++ Language): Document C++14 support.
16831 2016-01-13 Michael Meissner <meissner@linux.vnet.ibm.com>
16833 * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): Add support
16834 for pack/unpack functions for __ibm128.
16835 (PACK_IF): Likewise.
16836 (UNPACK_IF): Likewise.
16838 * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
16839 support for __ibm128 pack/unpack functions.
16840 (rs6000_invalid_builtin): Likewise.
16841 (rs6000_init_builtins): Likewise.
16842 (rs6000_opt_masks): Likewise.
16844 * config/rs6000/rs6000.h (MASK_FLOAT128): Add short name.
16845 (RS6000_BTM_FLOAT128): Add support for __ibm128 pack/unpack
16847 (RS6000_BTM_COMMON): Likewise.
16849 * config/rs6000/rs6000.md (f128_vsx): New mode attribute.
16850 (unpack<mode>): Use FMOVE128_FPR iterator instead of FMOVE128, to
16851 disallow __builtin_{pack,unpack}_longdouble if long double is IEEE
16852 128-bit floating point. Add support for the double values to be
16853 in Altivec registers for TF/IF packing and unpacking, but restrict
16854 TD packing sub-fields to be FPR registers. Don't allow overlapped
16855 register support for packing. Allow pack inputs to be memory
16856 locations. Don't build generator functions for unpack<mode>_dm
16857 and unpack<mode>_nodm.
16858 (unpack<mode>_dm): Likewise.
16859 (unpack<mode>_nodm): Likewise.
16860 (pack<mode>): Likewise.
16862 * config/rs6000/rs6000-builtin.def (__builtin_pack_ibm128): Add
16863 built-in functions to pack/unpack explicit __ibm128 values.
16864 (__builtin_unpack_ibm128): Likewise.
16866 * doc/extend.texi (PowerPC Built-in Functions): Document
16867 __builtin_pack_ibm128 and __builtin_unpack_ibm128.
16869 2016-01-13 Bernd Schmidt <bschmidt@redhat.com>
16872 * c-common.c (check_function_nonnull): Remove unnecessary declaration.
16873 Add new arg loc and pass it down as context.
16874 (check_nonnull_arg): Don't mark ctx arg as unused. Use it as a pointer
16875 to the location to use for the warning.
16876 (check_function_arguments): New arg loc. All callers changed. Pass
16877 it to check_function_nonnull.
16878 * c-common.h (check_function_arguments): Adjust declaration.
16880 2016-01-13 Jakub Jelinek <jakub@redhat.com>
16882 PR tree-optimization/69156
16883 * gimple.c (validate_type): Removed.
16884 (gimple_builtin_call_types_compatible_p): Use
16885 useless_type_conversion_p instead of validate_type.
16886 * value-prof.c (gimple_stringop_fixed_value): Fold
16887 icall_size to correct type.
16889 2016-01-13 Jonathan Wakely <jwakely@redhat.com>
16891 * doc/extend.texi (__atomic Builtins): Clarify compare_exchange
16894 2016-01-13 Richard Henderson <rth@redhat.com>
16897 * target.def (builtin_tm_load, builtin_tm_store): Remove.
16898 * config/i386/i386.c (ix86_builtin_tm_load): Remove.
16899 (ix86_builtin_tm_store): Remove.
16900 (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
16901 (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
16902 * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
16903 (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
16904 * doc/tm.texi: Rebuild.
16906 * gtm-builtins.def (BUILT_IN_TM_MEMCPY_RNWT): New.
16907 (BUILT_IN_TM_MEMCPY_RTWN): New.
16908 * trans-mem.c (tm_log_emit_stmt): Rearrange code for better
16909 fallback from vector to integer helpers.
16910 (build_tm_load): Handle vector types directly, instead of
16912 (build_tm_store): Likewise.
16913 (expand_assign_tm): Prepare for register types not handled by
16914 the above. Copy them to memory and use memcpy.
16915 * tree.c (tm_define_builtin): New.
16916 (find_tm_vector_type): New.
16917 (build_tm_vector_builtins): New.
16918 (build_common_builtin_nodes): Call it.
16920 2016-01-13 Uros Bizjak <ubizjak@gmail.com>
16922 * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Return -1 for
16923 TARGET_SSE_MATH without TARGET_SSE2. Rewrite.
16925 2016-01-13 Tom de Vries <tom@codesourcery.com>
16927 PR tree-optimization/69169
16928 * tree-ssa-structalias.c (create_variable_info_for_1): Add and handle
16929 handled_struct_type param.
16930 (create_variable_info_for, intra_create_variable_infos): Call
16931 create_variable_info_for_1 with extra arg.
16933 2016-01-13 Yvan Roux <yvan.roux@linaro.org>
16935 * config/arm/arm-arches.def: Remove spurious whitespace in "armv8.1-a"
16936 and "armv8.1-a+crc" entries.
16938 2016-01-13 Alexander Fomin <alexander.fomin@intel.com>
16941 * config/i386/sse.md (define_expand "avx512pf_gatherpf<mode>sf"):
16942 Change first operand predicate from register_or_constm1_operand
16943 to register_operand.
16944 (define_expand "avx512pf_gatherpf<mode>df"): Likewise.
16945 (define_expand "avx512pf_scatterpf<mode>sf"): Likewise.
16946 (define_expand "avx512pf_scatterpf<mode>df"): Likewise.
16947 (define_insn "*avx512pf_gatherpf<mode>sf"): Remove.
16948 (define_insn "*avx512pf_gatherpf<mode>df"): Likewise.
16949 (define_insn "*avx512pf_scatterpf<mode>sf"): Likewise.
16950 (define_insn "*avx512pf_scatterpf<mode>df"): Likewise.
16951 * config/i386/i386.c (ix86_expand_builtin): Remove first operand
16952 comparison with constm1_rtx from vec_prefetch_gen part.
16954 2016-01-13 Richard Biener <rguenther@suse.de>
16956 PR tree-optimization/69013
16957 * tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths):
16958 Exchange assert for a test.
16960 2016-01-13 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
16963 * config/s390/s390.md (bswaphi splitter): Use simplify_gen_subreg.
16965 2016-01-13 Richard Biener <rguenther@suse.de>
16967 PR tree-optimization/69242
16968 * tree-ssa-sccvn.c (visit_reference_op_load): Replace bogus
16969 assert with a check.
16971 2016-01-13 Richard Biener <rguenther@suse.de>
16973 PR tree-optimization/69186
16974 * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
16975 Properly guard vect_update_misalignment_for_peel call.
16977 2016-01-12 Jeff Law <law@redhat.com>
16979 PR tree-optimization/pr67755
16980 * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add new field
16981 "need_profile_correction".
16982 (thread_block_1): Initialize new field to false by default. If we
16983 have multiple thread paths through a common joiner to different
16984 final targets, then set new field to true.
16985 (compute_path_counts): Only do count adjustment when it's really
16988 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
16990 * doc/invoke.texi (Spec Files): Move section down in file, past
16991 all command-line option descriptions.
16993 2016-01-12 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
16995 PR middle-end/54809
16996 * doc/gty.texi: Remove documentation of mark_hook.
16997 * gengtype.c (struct write_types_data): Remove code to support
16998 mark_hook attribute.
16999 (walk_type): Likewise.
17000 (write_func_for_structure): Likewise.
17002 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
17004 * doc/invoke.texi (Option Summary) Move -no-canonical-prefixes to
17005 Directory Options, and -specs= to Overall Options.
17006 (Overall Options): Adjust similarly. Reorder to group related
17007 options together. Make -specs= cross-reference the spec file details.
17008 (Directory Options): Adjust similarly.
17010 2016-01-12 Jeff Law <law@redhat.com>
17012 * tree-ssa-threadupdate.c: Various whitespace and typo fixes.
17014 2016-01-12 Olivier Hainque <hainque@adacore.com>
17016 * gcc.c (spec_undefvar_allowed): New global.
17017 (process_command): Set to true when running for --version or --help,
17019 (getenv_spec_function): When the variable is not defined, use the
17020 variable name as the variable value if we're allowed not to issue
17023 2016-01-12 Bin Cheng <bin.cheng@arm.com>
17025 PR tree-optimization/68911
17026 * tree-vrp.c (adjust_range_with_scev): Check overflow in range
17027 information computed for expression "init + nit * step".
17029 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
17031 * doc/invoke.texi (Invoking GCC): Copy-edit. Incorporate information
17032 about name of GCC executable. Remove deleted node from menu.
17033 (Directory Options) <-B>: Remove cross-reference to deleted node.
17034 (Target Options): Delete section.
17036 2016-01-12 Christian Bruel <christian.bruel@st.com>
17039 * config/arm/arm-c.c (arm_pragma_target_parse): Set NODE_CONDITIONAL
17040 for __ARM_NEON_FP, __ARM_FP, _ARM_FEATURE_LDREX.
17042 2016-01-12 Jakub Jelinek <jakub@redhat.com>
17045 * config/i386/i386.c (ix86_expand_special_args_builtin): Ensure
17046 aligned_mem is properly set for AVX512-VL floating point masked
17050 * ifcvt.c (cond_exec_process_if_block): When removing the last
17051 insn from then_bb, remove also any possible barriers that follow it.
17053 2016-01-12 H.J. Lu <hongjiu.lu@intel.com>
17057 * config/i386/iamcu.h (SIZE_TYPE): New macro.
17058 (PTRDIFF_TYPE): Likewise.
17059 (WCHAR_TYPE): Likewise.
17060 (WCHAR_TYPE_SIZE): Likewise.
17061 (STDINT_LONG32): Likewise.
17063 2016-01-12 Richard Biener <rguenther@suse.de>
17065 PR tree-optimization/69053
17066 * tree-vect-loop.c (get_initial_def_for_reduction): Properly
17067 convert initial value for cond reductions.
17069 2016-01-12 Richard Biener <rguenther@suse.de>
17071 PR tree-optimization/69007
17072 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Move
17073 widen_sum after dot_prod and sad.
17075 2016-01-12 Richard Biener <rguenther@suse.de>
17077 PR tree-optimization/69168
17078 * tree-vect-loop.c (vect_analyze_loop_2): Reset both main and
17079 pattern stmt SLP type.
17080 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Patterns may
17081 end up unused so cope with that case.
17083 2016-01-12 Richard Biener <rguenther@suse.de>
17085 PR tree-optimization/69157
17086 * tree-vect-stmts.c (vectorizable_mask_load_store): Check
17087 stmts def type only during analyze phase.
17088 (vectorizable_call): Likewise.
17089 (vectorizable_simd_clone_call): Likewise.
17090 (vectorizable_conversion): Likewise.
17091 (vectorizable_assignment): Likewise.
17092 (vectorizable_shift): Likewise.
17093 (vectorizable_operation): Likewise.
17094 (vectorizable_store): Likewise.
17095 (vectorizable_load): Likewise.
17097 2016-01-12 Richard Biener <rguenther@suse.de>
17099 PR tree-optimization/69174
17100 * tree-vect-stmts.c (vect_mark_relevant): Remove excessive vertical
17102 (vectorizable_load): Properly compute the number of loads needed
17103 for permuted strided SLP loads and do not spuriously assign
17104 to SLP_TREE_VEC_STMTS.
17106 2016-01-12 Andris Pavenis <andris.pavenis@iki.fi>
17108 * config/i386/djgpp.h (PREFERRED_DEBUGGING_TYPE): Define to DWARF2
17109 (TARGET_ASM_OUTPUT_IDENT): Define to default_asm_output_ident_directive
17110 (MD_EXEC_PREFIX): Remove.
17111 (MD_STARTFILE_PREFIX) Removee.
17112 (FILE_NAME_ABSOLUTE_P): Remove.
17113 (CPP_SPEC): Do not read macros from sys/version.h.
17114 (LINK_COMMAND_SPEC): Remove.
17115 (LOCAL_INCLUDE_DIR): Remove.
17116 (TARGET_ASM_NAMED_SECTION): Define to i386_djgpp_asm_named_section
17117 (TARGET_OS_CPP_BUILTINS): Add DJGPP (non ISO only), __DJGPP, __DJGPP__, unix.
17118 (POST_LINK_SPEC): Define to invoke stubify after linker
17119 (LIBSTDCXX): Remove define
17120 (DBX_REGISTER_NUMBER): Define to svr4_dbx_register_map.
17121 (DEFAULT_PCC_STRUCT_RETURN): Define to 1.
17122 (SUBTARGET_OVERRIDE_OPTIONS): Remove warning about -mbnu2210.
17123 (SUBTARGET_OVERRIDE_OPTIONS): Ignore -fPIC and generate message.
17124 (SUBTARGET_OVERRIDE_OPTIONS): Default to DWARF2 debugging info.
17125 (IX86_MAYBE_NO_LIBGCC_TFMODE): Remove.
17126 (i386_djgpp_asm_named_section): Add propotype of new procedure
17128 * config/i386/xm-djgpp.h (NATIVE_SYSTEM_HEADER_DIR): Define.
17129 (MD_EXEC_PREFIX): Define (moved from config/i386/djgpp.h).
17130 (STANDARD_STARTFILE_PREFIX_1): Define (moved from MD_STARTFILE_PREFIX
17131 in config/i386/djgpp.h).
17132 (STANDARD_STARTFILE_PREFIX_2): Define identical to
17133 STANDARD_STARTFILE_PREFIX_1.
17134 (LOCAL_INCLUDE_DIR): Define (moved from config/i386/djgpp.h).
17135 (GCC_DRIVER_HOST_INITIALIZATION): Fix reporting fatal
17136 installation errors.
17137 (MAX_OFILE_ALIGNMENT): Define to 128.
17138 (HAVE_FTW_H): Undefine as DJGPP do not have nftw, but have ftw.h.
17140 * config/i386/djgpp.c: New file. Add implementation of
17141 i386_djgpp_asm_named_section.
17143 * config/i386/djgpp.opt: Remove obsolete option -mbnu210.
17145 * config/i386/t-djgpp: New file. Add djgpp.o to EXTRA_OBJS.
17146 Add rule for building djgpp.o.
17148 2016-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
17150 * config/rs6000/rs6000.c (v2df_reduction_p): New function.
17151 (rtx_is_swappable_p): Reductions are swappable.
17152 (insn_is_swappable_p): V2DF reductions are swappable.
17154 2016-01-11 John David Anglin <danglin@gcc.gnu.org>
17156 * config/pa/pa.c (pa_emit_move_sequence): Handle floating point
17157 reloads for other unsupported memory operands.
17159 2016-01-12 Kugan Vivekanandarajah <kuganv@linaro.org>
17160 Jim Wilson <jim.wilson@linaro.org>
17163 * config/arm/arm-builtins.c (arm_expand_neon_args): Call
17164 copy_to_mode_reg instead of force_reg.
17166 2016-01-11 H.J. Lu <hongjiu.lu@intel.com>
17169 * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Set to 2 only if
17170 TARGET_80387 is true.
17172 2016-01-11 Jakub Jelinek <jakub@redhat.com>
17175 * lra-eliminations.c (move_plus_up): Only move plus up
17176 if subreg of the constant can be simplified into constant
17177 and use the simplified subreg of the constant instead of
17178 the original constant.
17180 * fold-const.c (fold_convertible_p): Don't return true
17181 for conversion of VECTOR_TYPE to same sized integral type.
17182 (fold_convert_loc): Fix up formatting. Fold conversion of
17183 VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
17184 instead of NOP_EXPR.
17186 PR tree-optimization/69214
17187 * tree-vrp.c (simplify_cond_using_ranges): Don't propagate
17188 innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
17191 PR tree-optimization/69207
17192 * tree-vect-slp.c (vect_get_constant_vectors): For
17193 VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of
17194 fold_convertible_p to vector_type's element type, and always
17195 use VCE for non-VECTOR_BOOLEAN_TYPE_P.
17197 2016-01-11 Richard Biener <rguenther@suse.de>
17199 PR tree-optimization/69173
17200 * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Only
17201 fixup the cycle if all stmts are in a pattern.
17203 2016-01-11 Uros Bizjak <ubizjak@gmail.com>
17205 PR middle-end/68999
17206 * alias.c (base_alias_check): Move check for addresses with
17207 alignment ANDs before the call for compare_base_decls.
17208 (memrefs_conflict_p): Return -1 for different decls
17209 that went through alignment adjustments.
17211 2016-01-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
17213 PR rtl-optimization/68796
17214 * config/aarch64/aarch64.md (*and<mode>_compare0): New pattern.
17215 * config/aarch64/aarch64.c (aarch64_select_cc_mode): Handle HImode
17216 and QImode comparisons against zero with CC_NZmode.
17217 * config/aarch64/iterators.md (short_mask): New mode_attr.
17219 2016-01-11 H.J. Lu <hongjiu.lu@intel.com>
17221 * config/i386/sse.md (<avx512>_load<mode>_mask): Remove snprintf.
17222 (<avx512>_store<mode>_mask): Likewise.
17224 2016-01-11 Bernd Schmidt <bschmidt@redhat.com>
17225 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
17227 PR rtl-optimization/68841
17228 * ifcvt.c (struct noce_if_info): Add orig_x field.
17229 (bbs_ok_for_cmove_arith): Add to_rename parameter.
17230 Don't record conflicts on to_rename if it's present.
17231 Allow memory destinations in sets.
17232 (noce_try_cmove_arith): Call bbs_ok_for_cmove_arith even on simple
17233 blocks, passing orig_x to the checks.
17234 (noce_process_if_block): Set if_info->orig_x appropriately.
17236 2016-01-11 Tom de Vries <tom@codesourcery.com>
17238 PR tree-optimization/69069
17239 * tree-parloops.c (create_parallel_loop): Add missing phi args.
17241 2016-01-11 Yuri Rumyantsev <ysrumyan@gmail.com>
17243 PR rtl-optimization/68920
17244 * config/i386/i386.c (ix86_option_override_internal): Restrict number
17245 of conditional moves for RTL if-conversion to 1 for
17246 TARGET_ONE_IF_CONV_INSN.
17247 * config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
17248 * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
17249 * params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
17250 parameter to restirct number of conditional moves for
17252 * doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
17253 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
17256 2016-01-11 Alexandre Oliva <aoliva@redhat.com>
17259 * var-tracking.c (drop_overlapping_mem_locs): Operate on all
17260 onepart vars. Fix typo in comment. Fix reversed condition in
17262 (dataflow_set_remove_mem_locs): Operate on all onepart vars.
17265 * var-tracking.c (dump_onepart_variable_differences): New.
17266 (dataflow_set_different): If a detailed dump is requested,
17267 delay early returns and dump differences between onepart
17268 variables present before and after, and added variables.
17270 2016-01-11 Ilya Enkovich <enkovich.gnu@gmail.com>
17273 * expr.c (expand_expr_real_1): For boolean vector constants
17274 with a scalar mode use const_scalar_mask_from_tree.
17275 (const_scalar_mask_from_tree): New.
17276 * optabs.c (expand_vec_cond_mask_expr): Use mask mode
17277 assigned to a mask type to handle constants.
17279 2016-01-11 Martin Jambor <mjambor@suse.cz>
17282 * ipa-cp.c (estimate_local_effects): Do not clone for removal of
17283 useless parameters if we cannot change function signature.
17285 2016-01-11 Martin Jambor <mjambor@suse.cz>
17288 * cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
17291 2016-01-11 Tom de Vries <tom@codesourcery.com>
17293 PR tree-optimization/69109
17294 * tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
17297 2016-01-11 Tom de Vries <tom@codesourcery.com>
17299 PR tree-optimization/69108
17300 * tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
17301 res is not used in a phi.
17303 2016-01-11 Yury Gribov <y.gribov@samsung.com>
17306 * common.opt (frandom-seed): Fix parameter name.
17307 * doc/invoke.texi (frandom-seed): Ditto and describe parameter.
17309 2016-01-11 Tom de Vries <tom@codesourcery.com>
17311 PR tree-optimization/69058
17312 * tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
17315 2016-01-11 Andrew Burgess <andrew.burgess@embecosm.com>
17317 * config/arc/arc.opt (mdiv-rem): Add period to the end.
17318 (mcode-density): Likewise.
17320 2016-01-10 Tom de Vries <tom@codesourcery.com>
17322 PR tree-optimization/69062
17323 * tree-parloops.c (loop_has_phi_with_address_arg): New function.
17324 (parallelize_loops): Don't paralelize loop that has phi with address
17327 2016-01-10 Tom de Vries <tom@codesourcery.com>
17329 PR tree-optimization/69039
17330 * tree-parloops.c (try_create_reduction_list): Only allow single exit
17333 2016-01-09 John David Anglin <danglin@gcc.gnu.org>
17335 PR middle-end/68743
17336 * match.pd: Require target has function_c99_misc before doing
17337 truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.
17339 2016-01-09 Gerald Pfeifer <gerald@pfeifer.com>
17341 * configure.ac (isl_options_set_schedule_serialize_sccs): Also
17343 * configure: Regenerate.
17345 2016-01-09 Jakub Jelinek <jakub@redhat.com>
17347 PR middle-end/50865
17348 PR tree-optimization/69097
17349 * fold-const.h (expr_not_equal_to): New prototype.
17350 * fold-const.c: Include stringpool.h and tree-ssanames.h.
17351 (expr_not_equal_to): New function.
17352 * match.pd (X % -Y is the same as X % Y): Don't optimize
17353 unless X is known not to be equal to minimum or Y is known
17354 not to be equal to -1.
17355 * tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
17356 fold TRUNC_MOD_EXPR if the second argument is not a power of two.
17357 (simplify_stmt_using_ranges): Adjust caller.
17358 (vrp_finalize): Call set_value_range on SSA_NAMEs before calling
17359 substitute_and_fold.
17361 2016-01-09 Jan Hubicka <hubicka@ucw.cz>
17363 * ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
17366 2016-01-08 Jakub Jelinek <jakub@redhat.com>
17368 PR tree-optimization/69167
17369 * gimple-fold.c (replace_stmt_with_simplification): Also punt if
17370 new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
17372 * gimple-match-head.c (maybe_push_res_to_seq): Likewise.
17374 2016-01-08 Alan Lawrence <alan.lawrence@arm.com>
17375 Richard Biener <rguenther@suse.de>
17377 PR tree-optimization/68707
17378 * tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
17379 instances that can be handled via vect_load_lanes.
17381 2016-01-08 Uros Bizjak <ubizjak@gmail.com>
17383 * symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
17384 if we can't determine address equivalence.
17385 * alias.c (compare_base_decl): Update for changed return value of
17386 symtab_node::equal_address_to.
17388 2016-01-08 Jason Merrill <jason@redhat.com>
17392 * function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
17393 * expr.c (store_field): Not here.
17394 * tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
17395 call with TREE_ADDRESSABLE type.
17396 * tree-cfg.c (verify_gimple_call): Adjust.
17398 2016-01-08 Olivier Hainque <hainque@adacore.com>
17400 * config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
17403 2016-01-08 Alan Lawrence <alan.lawrence@arm.com>
17405 * gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
17406 (reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
17407 (reduc_smin_v2sf): Rename to...
17408 (reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
17409 (reduc_splus_v2sf): Rename to...
17410 (reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.
17412 2016-01-08 Jakub Jelinek <jakub@redhat.com>
17414 PR tree-optimization/69162
17415 * gimplify.c (gimplify_va_arg_expr): Encode original type of
17416 valist argument in another argument.
17417 (gimplify_modify_expr): Adjust for the above change. Cleanup.
17418 * tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
17419 to determine the va_list type, build a MEM_REF instead of
17420 build_fold_indirect_ref.
17422 PR tree-optimization/69172
17423 * gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
17426 2016-01-08 Thomas Preud'homme <thomas.preudhomme@arm.com>
17428 PR tree-optimization/67781
17429 * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
17430 and cmpnop in two steps: first the ones not accessed in original
17431 gimple expression in a endian independent way and then the ones not
17432 accessed in the final result in an endian-specific way.
17434 2016-01-08 Jakub Jelinek <jakub@redhat.com>
17436 PR tree-optimization/69083
17437 * tree-vect-slp.c (vect_get_constant_vectors): For
17438 VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
17439 element type. If op is fold_convertible_p to vector_type's element
17440 type, use NOP_EXPR instead of VCE.
17442 2016-01-08 Segher Boessenkool <segher@kernel.crashing.org>
17444 PR rtl-optimization/67778
17445 PR rtl-optimization/68634
17446 PR rtl-optimization/68909
17447 * shrink-wrap.c (try_shrink_wrapping): Add comment. Don't pop
17448 block from the stack until done with it. Remove a superfluous
17449 bitmap set. Remove a superfluous bitmap test.
17451 2016-01-07 Martin Sebor <msebor@redhat.com>
17454 * doc/extend.texi (__atomic Builtins, __sync Builtins): Document
17455 constraint on the type of arguments.
17457 2016-01-07 Andreas Tobler <andreast@gcc.gnu.org>
17459 * config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
17460 SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
17461 unaligned_access on the gcc_options set.
17462 * config/arm/arm.c (arm_option_override_internal): Use
17463 SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.
17465 2016-01-07 Uros Bizjak <ubizjak@gmail.com>
17468 * config/i386/i386.c (ix86_frame_pointer_required): Enable
17469 frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.
17471 2016-01-07 Uros Bizjak <ubizjak@gmail.com>
17474 2016-01-06 Uros Bizjak <ubizjak@gmail.com>
17477 * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
17478 depending on frame_pointer_needed before remaining integer and SSE
17479 registers are saved.
17481 2016-01-07 Sandra Loosemore <sandra@codesourcery.com>
17484 * doc/extend.texi (Nvidia PDX Function Attributes): New section.
17486 2016-01-07 H.J. Lu <hongjiu.lu@intel.com>
17489 * config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
17490 Use the "xBm" constraint.
17491 (float<sseintvecmodelower><mode>2<mask_name><round_name):
17493 (sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
17494 (sse_cvtsi2ssq<round_name>): Likewise.
17495 (sse_cvtss2si<round_name>): Likewise.
17496 (sse_cvtss2siq<round_name>): Likewise.
17497 (sse2_cvtsi2sdq<round_name>): Likewise.
17498 (sse2_cvtsd2si<round_name>): Likewise.
17499 (sse2_cvtsd2siq<round_name>): Likewise.
17500 * config/i386/subst.md (round_nimm_scalar_predicate): New
17503 2015-12-15 Bernd Schmidt <bschmidt@redhat.com>
17505 PR middle-end/67639
17506 * varasm.c (make_decl_rtl): Mark invalid register vars as
17509 PR rtl-optimization/66206
17510 * bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
17511 All callers changed.
17513 2016-01-07 Jakub Jelinek <jakub@redhat.com>
17515 PR tree-optimization/69141
17516 * tree-ssa-pre.c: Include langhooks.h.
17517 (eliminate_dom_walker::before_dom_children): Use
17518 lang_hooks.decl_printable_name instead of
17519 cgraph_node::get ()->name ().
17521 PR middle-end/68960
17522 * gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
17523 it and DECL_ALIGN too.
17525 2016-01-06 Robert Suchanek <robert.suchanek@imgtec.com>
17527 * config/mips/mips-ftypes.def: Sort to lexicographical order.
17529 2016-01-06 Uros Bizjak <ubizjak@gmail.com>
17532 * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
17533 depending on frame_pointer_needed before remaining integer and SSE
17534 registers are saved.
17536 2015-01-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
17538 * config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
17539 mode iterator with VSX_M2.
17540 (*p9_vecstore_<mode>): Likewise.
17541 (*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
17542 (*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
17543 (*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
17544 (define_split for VSX_LE128 stores): Likewise.
17545 (define_peephole2 for TImode LE swaps): Likewise.
17546 (define_split for VSX_LE128 post-reload stores): Likewise.
17548 2016-01-06 Marek Polacek <polacek@redhat.com>
17551 * convert.c (convert_to_integer_1): Adjust call to
17552 ubsan_instrument_float_cast. Use NULL_TREE instead of NULL.
17553 * ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter. Use
17554 EXPR instead of ARG.
17555 * ubsan.h (ubsan_instrument_float_cast): Adjust declaration.
17557 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
17560 * doc/extend.texi (RL78 Variable Attributes): New section.
17562 2016-01-05 Marek Polacek <polacek@redhat.com>
17565 * builtins.c (get_memmodel): Use expansion point location rather than
17566 the input location. Call warning_at rather than warning.
17567 (expand_builtin_atomic_compare_exchange): Likewise.
17568 (expand_builtin_atomic_load): Likewise.
17569 (expand_builtin_atomic_store): Likewise.
17570 (expand_builtin_atomic_clear): Likewise.
17572 2016-01-05 H.J. Lu <hongjiu.lu@intel.com>
17575 * config/i386/i386.c (ix86_expand_vector_logical_operator):
17576 Replace nonimmediate_operand with vector_operand.
17577 * config/i386/predicates.md (vector_operand): New predicate.
17578 (general_vector_operand): Replace nonimmediate_operand with
17580 * config/i386/sse.md: Replace nonimmediate_operand with
17581 vector_operand and m constraint with Bm constraint on SSE
17582 patterns with 16-byte memory operand.
17583 * config/i386/subst.md (round_nimm_predicate): Replace
17584 nonimmediate_operand with vector_operand.
17585 (round_saeonly_nimm_predicate): Likewise.
17586 (round_saeonly_nimm_scalar_predicate): New.
17588 2016-01-05 H.J. Lu <hongjiu.lu@intel.com>
17591 * config/i386/constraints.md (Bm): New constraint.
17592 * config/i386/predicates.md (vector_memory_operand): New
17594 * config/i386/sse.md: Replace xm with xBm in plusminus and
17595 any_logic patterns.
17597 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
17600 * doc/extend.texi (V850 Function Attributes): New section.
17601 (V850 Variable Attributes): New section.
17603 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
17606 * doc/extend.texi (MicroBlaze Function Attributes): Document
17607 interrupt_handler and fast_interrupt attributes.
17609 2016-01-05 Sergei Trofimovich <siarheit@google.com>
17612 * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
17613 for local symbolic operands.
17614 * config/ia64/predicates.md (local_symbolic_operand64): New
17617 2016-01-05 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
17619 PR rtl-optimization/68651
17620 * combine.c (combine_simplify_rtx): Canonicalize x + x into
17623 2016-01-05 Nathan Sidwell <nathan@acm.org>
17625 * alias.c (compare_base_decls): Use symtab_node::get.
17627 2016-01-05 Nick Clifton <nickc@redhat.com>
17630 * ira-costs.c (copy_cost): Initialise the t_icode field of the
17631 secondary_reload_info structure.
17634 * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
17635 decls if weak support is available.
17637 2016-01-04 Martin Sebor <msebor@redhat.com>
17639 * doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.
17641 2016-01-04 Michael Meissner <meissner@linux.vnet.ibm.com>
17643 * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
17644 OPTION_MASK_P9_DFORM.
17646 * config/rs6000/constraints.md (wo constraint): New constraint for
17649 * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
17651 (rs6000_init_hard_regno_mode_ok): Likewise.
17653 * config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
17656 * config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
17657 expanders not to have constraints. Add support for ISA 3.0 xxperm
17658 instruction. Add support for fusing xxlor with xxperm.
17659 (altivec_vperm_<mode>_internal): Likewise.
17660 (altivec_vperm_v8hiv16qi): Likewise.
17661 (altivec_vperm_<mode>v16q): Likewise.
17662 (altivec_vperm_<mode>_uns): Likewise.
17663 (vperm_v8hiv4si): Likewise.
17664 (vperm_v16qiv8hi): Likewise.
17666 * doc/md.texi (RS/6000 constraints): Document wo constraint.
17668 2016-01-04 Jakub Jelinek <jakub@redhat.com>
17670 Update copyright years.
17672 * gcc.c (process_command): Update copyright notice dates.
17673 * gcov-dump.c (print_version): Ditto.
17674 * gcov.c (print_version): Ditto.
17675 * gcov-tool.c (print_version): Ditto.
17676 * gengtype.c (create_file): Ditto.
17677 * doc/cpp.texi: Bump @copying's copyright year.
17678 * doc/cppinternals.texi: Ditto.
17679 * doc/gcc.texi: Ditto.
17680 * doc/gccint.texi: Ditto.
17681 * doc/gcov.texi: Ditto.
17682 * doc/install.texi: Ditto.
17683 * doc/invoke.texi: Ditto.
17685 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
17687 * config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
17688 modes larger than TImode as TImode if NEON is not enabled.
17690 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
17693 * config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
17694 mode for %f0-%f31 only if TARGET_FPU.
17696 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
17699 * config/sparc/sparc.c (scan_record_type): Take into account subfields
17700 to compute the PACKED_P predicate.
17701 (function_arg_record_value): Minor tweaks.
17703 2016-01-04 Thomas Preud'homme <thomas.preudhomme@arm.com>
17705 * doc/install.texi (--with-multilib-list): Describe the meaning of the
17706 option for arm*-*-* targets.
17708 2016-01-03 Sandra Loosemore <sandra@codesourcery.com>
17710 * doc/extend.texi (Common Function Attributes): Move docs for
17711 MSP430-specific attributes to....
17712 (MSP430 Function Attributes): ...here. Delete the redundant
17713 entries and copy-edit the remaining text.
17714 (MSP430 Variable Attributes): Use uniform format for index
17715 entries and add a cross-reference to the corresponding function
17718 2016-01-03 Vladimír Čunát <vcunat@gmail.com>
17720 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix
17722 (x86 Options): Likewise.
17724 2016-01-01 Sandra Loosemore <sandra@codesourcery.com>
17728 * extend.texi (Common Function Attributes) <no_stack_limit>: New.
17729 * invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
17730 to corresponding attribute.
17732 2016-01-01 Sandra Loosemore <sandra@codesourcery.com>
17734 * doc/extend.texi (Common Function Attributes) <noplt>: Move
17735 to correct alphabetization of table. Copy-edit and correct
17737 <stack_protect>: Likewise.
17738 <target_clones>: Likewise.
17740 * doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
17741 Correct punctuation.
17742 (Code Gen Options) <-fno-plt>: Copy-edit.
17744 2016-01-01 Bernd Edlinger <bernd.edlinger@hotmail.de>
17747 * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
17748 SI values. Explicitly convert SI to DI and vice-versa.
17750 2016-01-01 Jakub Jelinek <jakub@redhat.com>
17752 PR tree-optimization/69070
17753 * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
17754 REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.
17757 * ubsan.c (ubsan_instrument_float_cast): Call
17758 initialize_sanitizer_builtins.
17761 * ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
17763 Copyright (C) 2016 Free Software Foundation, Inc.
17765 Copying and distribution of this file, with or without modification,
17766 are permitted in any medium without royalty provided the copyright
17767 notice and this notice are preserved.