| blob | 04a098bf40990809945f5469283de11f96f90c54 |
1 2016-05-20 Segher Boessenkool <segher@kernel.crashing.org>
3 * function.c (thread_prologue_and_epilogue_insns): Commit the
4 insertion of the epilogue.
6 2016-05-20 Martin Jambor <mjambor@suse.cz>
8 PR tree-optimization/70884
9 * tree-sra.c (initialize_constant_pool_replacements): Do not check
10 should_scalarize_away_bitmap and cannot_scalarize_away_bitmap bits.
11 (sort_and_splice_var_accesses): Do not consider multiple scalar reads
12 of constant pool data as a reason for scalarization.
14 2016-05-20 Eric Botcazou <ebotcazou@adacore.com>
16 * config/arm/arm.c (arm_expand_prologue): Set the stack usage to 0
17 for naked functions.
18 (thumb1_expand_prologue): Likewise.
20 2016-05-20 Nathan Sidwell <nathan@acm.org>
22 * config/nvptx/nptx.c (nvptx_option_override): Only set
23 flag_toplevel_reorder, if not explicitly specified. Set
24 flag_no_common, unless explicitly specified.
26 2016-05-20 David Malcolm <dmalcolm@redhat.com>
28 * calls.c (can_implement_as_sibling_call_p): Mark param
29 reg_parm_stack_space with ATTRIBUTE_UNUSED.
31 2016-05-20 Uros Bizjak <ubizjak@gmail.com>
33 * gcc/config/i386/i386.c (ix86_rtx_costs) <case CONST_DOUBLE>:
34 Use IS_STACK_MODE when calculating cost of standard 80387 constants.
35 Fallthru to CONST_VECTOR case to calculate cost of standard SSE
36 constants.
37 <case CONST_WIDE_INT>: Calculate cost of (MEM (SYMBOL_REF)).
38 (ix86_legitimate_constant_p): Use CASE_CONST_SCALAR_INT
39 and CASE_CONST_ANY.
41 2016-05-20 Cesar Philippidis <cesar@codesourcery.com>
43 * config/nvptx/nvptx.md (sincossf3): New pattern.
45 2016-05-20 H.J. Lu <hongjiu.lu@intel.com>
47 PR target/70738
48 * common/config/i386/i386-common.c
49 (OPTION_MASK_ISA_GENERAL_REGS_ONLY_UNSET): New.
50 (ix86_handle_option): Disable MPX, MMX, SSE and x87 instructions
51 for -mgeneral-regs-only.
52 * config/i386/i386.c (ix86_option_override_internal): Don't
53 enable x87 instructions if only the general registers are
54 allowed.
55 * config/i386/i386.opt: Add -mgeneral-regs-only.
56 * doc/invoke.texi: Document -mgeneral-regs-only.
58 2016-05-20 David Malcolm <dmalcolm@redhat.com>
60 * calls.c (maybe_complain_about_tail_call): New function.
61 (initialize_argument_information): Call
62 maybe_complain_about_tail_call when clearing *may_tailcall.
63 (can_implement_as_sibling_call_p): Call
64 maybe_complain_about_tail_call when returning false.
65 (expand_call): Read CALL_EXPR_MUST_TAIL_CALL and, if set,
66 ensure try_tail_call is set. Call maybe_complain_about_tail_call
67 if tail-call optimization fails.
68 * cfgexpand.c (expand_call_stmt): Initialize
69 CALL_EXPR_MUST_TAIL_CALL from gimple_call_must_tail_p.
70 * gimple-pretty-print.c (dump_gimple_call): Dump
71 gimple_call_must_tail_p.
72 * gimple.c (gimple_build_call_from_tree): Call
73 gimple_call_set_must_tail with the value of
74 CALL_EXPR_MUST_TAIL_CALL.
75 * gimple.h (enum gf_mask): Add GF_CALL_MUST_TAIL_CALL.
76 (gimple_call_set_must_tail): New function.
77 (gimple_call_must_tail_p): New function.
78 * print-tree.c (print_node): Update printing of TREE_STATIC
79 to reflect its use for CALL_EXPR_MUST_TAIL_CALL.
80 * tree-core.h (struct tree_base): Add MUST_TAIL_CALL to the
81 trailing comment listing applicable flags.
82 * tree.h (CALL_EXPR_MUST_TAIL_CALL): New macro.
84 2016-05-20 David Malcolm <dmalcolm@redhat.com>
86 * calls.c (expand_call): Move "Rest of purposes for tail call
87 optimizations to fail" to...
88 (can_implement_as_sibling_call_p): ...this new function, and
89 split into multiple "if" statements.
91 2016-05-20 Jan Hubicka <hubicka@ucw.cz>
93 * cfgloop.h (expected_loop_iterations_unbounded,
94 expected_loop_iterations): Unconstify.
95 * cfgloopanal.c (expected_loop_iterations_unbounded): Sanity check the
96 profile with known upper bound; return 3 when profile is absent.
97 (expected_loop_iterations): Update.
99 2016-05-20 Jan Hubicka <hubicka@ucw.cz>
101 * loop-doloop.c (doloop_optimize): Use get_estimated_loop_iterations_int
102 and get_max_loop_iterations_int.
104 2016-05-20 Jan Hubicka <hubicka@ucw.cz>
106 * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can not produce
107 realistic upper bounds here.
109 2016-05-20 Jakub Jelinek <jakub@redhat.com>
111 PR c++/71210
112 * gimple-fold.c (gimple_fold_call): Do not remove lhs of noreturn
113 calls if the LHS is variable length or has addressable type.
114 If targets[0]->decl is a noreturn call with void return type and
115 zero arguments, adjust fntype and remove lhs in that case.
117 2016-05-20 Marc Glisse <marc.glisse@inria.fr>
119 PR tree-optimization/71079
120 PR tree-optimization/71206
121 * match.pd ((X ^ Y) ^ (X ^ Z)): Convert the arguments.
123 2016-05-20 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
125 * tree-vectorizer.c (get_vec_alignment_for_decl): New static function.
126 (get_vec_alignment_for_array_decl): Likewise.
127 (get_vec_alignment_for_record_decl): Likewise.
128 (increase_alignment::execute): Move code to find alignment to
129 get_vec_alignment_for_array_decl and call get_vec_alignment_for_decl.
130 (type_align_map): New hash_map.
132 2016-05-20 Richard Guenther <rguenther@suse.de>
134 PR tree-optimization/29756
135 * tree.def (BIT_INSERT_EXPR): New tcc_expression tree code.
136 * expr.c (expand_expr_real_2): Handle BIT_INSERT_EXPR.
137 * fold-const.c (operand_equal_p): Likewise.
138 (fold_ternary_loc): Add constant folding of BIT_INSERT_EXPR.
139 * gimplify.c (gimplify_expr): Handle BIT_INSERT_EXPR.
140 * tree-inline.c (estimate_operator_cost): Likewise.
141 * tree-pretty-print.c (dump_generic_node): Likewise.
142 * tree-ssa-operands.c (get_expr_operands): Likewise.
143 * cfgexpand.c (expand_debug_expr): Likewise.
144 * gimple-pretty-print.c (dump_ternary_rhs): Likewise.
145 * gimple.c (get_gimple_rhs_num_ops): Handle BIT_INSERT_EXPR.
146 * tree-cfg.c (verify_gimple_assign_ternary): Verify BIT_INSERT_EXPR.
147 * tree-ssa.c (non_rewritable_lvalue_p): We can rewrite
148 vector inserts using BIT_FIELD_REF or MEM_REF on the lhs.
149 (execute_update_addresses_taken): Do it.
151 2016-05-20 Richard Biener <rguenther@suse.de>
153 PR tree-optimization/71185
154 * tree-ssa-loop-prefetch.c (gather_memory_references): Drop
155 register operations.
157 2016-05-20 Richard Biener <rguenther@suse.de>
159 * tree-if-conv.c (add_bb_predicate_gimplified_stmts): Use
160 gimple_seq_add_seq_without_update.
161 (release_bb_predicate): Assert we have no operands to free.
162 (if_convertible_loop_p_1): Calculate post dominators later.
163 Do not free BB predicates here.
164 (combine_blocks): Do not recompute BB predicates.
165 (version_loop_for_if_conversion): Save BB predicates around
166 loop versioning.
168 2016-05-19 Segher Boessenkool <segher@kernel.crashing.org>
170 * function.c (make_epilogue_seq): Remove epilogue_end parameter.
171 (thread_prologue_and_epilogue_insns): Remove bb_flags. Restructure
172 code. Ignore sibcalls on EDGE_IGNORE edges.
173 * shrink-wrap.c (handle_simple_exit): New function. Set EDGE_IGNORE
174 on edges for sibcalls that run without prologue. The rest of the
175 function is combined from...
176 (fix_fake_fallthrough_edge): ... this, and ...
177 (try_shrink_wrapping): ... a part of this. Remove the bb_with
178 function argument, make it a local variable.
180 2016-05-19 Sandra Loosemore <sandra@codesourcery.com>
182 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Allow
183 --disable-sjlj-exceptions for TARGET_BI_ARCH to select DWARF-2 EH
184 for 32-bit mode and SEH for 64-bit.
185 * config/i386/mingw32.h (SHARED_LIBGCC_UNDEFS_SPEC): Handle
186 TARGET_64BIT_DEFAULT.
188 2016-05-19 Ryan Burn <contact@rnburn.com>
190 * Makefile.in (GTFILES): Add cilk.h and cilk-common.c.
191 * gengtype.c (open_base_files): Add cilk.h to ifiles.
193 2016-05-19 Uros Bizjak <ubizjak@gmail.com>
195 * sched-deps.c (sched_analyze_2) <case TRAP_IF>: Also
196 force pending loads from memory.
198 2016-05-19 Kelvin Nilsen <kelvin@gcc.gnu.org>
200 * config/rs6000/altivec.md (UNSPEC_DARN): New unspec constant.
201 (UNSPEC_DARN_32): New unspec constant.
202 (UNSPEC_DARN_RAW): New unspec constant.
203 (darn_32): New instruction.
204 (darn_raw): New instruction.
205 (darn): New instruction.
206 * config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_0): Add
207 support and documentation for this macro.
208 (BU_P9_MISC_1): New macro definition.
209 (BU_P9_64BIT_MISC_0): New macro definition.
210 (BU_P9_MISC_0): New macro definition.
211 (darn_32): New builtin definition.
212 (darn_raw): New builtin definition.
213 (darn): New builtin definition.
214 * config/rs6000/rs6000.c: Add #define RS6000_BUILTIN_0 and #undef
215 RS6000_BUILTIN_0 directives to surround each occurrence of
216 #include "rs6000-builtin.def".
217 (rs6000_builtin_mask_calculate): Add in the RS6000_BTM_MODULO and
218 RS6000_BTM_64BIT flags to the returned mask, depending on
219 configuration.
220 (def_builtin): Correct an error in the assignments made to the
221 debugging variable attr_string.
222 (rs6000_expand_builtin): Add support for no-operand built-in
223 functions.
224 (builtin_function_type): Remove fatal_error assertion that is no
225 longer valid.
226 (rs6000_common_init_builtins): Add support for no-operand built-in
227 functions.
228 * config/rs6000/rs6000.h (RS6000_BTM_MODULO): New macro
229 definition.
230 (RS6000_BTM_PURE): Enhance comment to clarify intent of this flag
231 definition.
232 (RS6000_BTM_64BIT): New macro definition.
233 * doc/extend.texi: Document __builtin_darn (void),
234 __builtin_darn_raw (void), and __builtin_darn_32 (void) built-in
235 functions.
237 2016-05-19 Jan Hubicka <hubicka@ucw.cz>
239 * tree-vect-loop.c (vect_analyze_loop_2): Use also
240 max_loop_iterations_int.
242 2016-05-19 Marek Polacek <polacek@redhat.com>
244 PR tree-optimization/71031
245 * tree-vrp.c (extract_range_from_binary_expr_1): Turn assert into a
246 condition and adjust the code a bit.
248 2016-05-19 Martin Liska <mliska@suse.cz>
250 * tree-vect-stmts.c (vectorizable_simd_clone_call): Utilize
251 auto_vec instead of vec.
253 2016-05-19 Martin Liska <mliska@suse.cz>
255 * tree-parloops.c (oacc_entry_exit_ok): Release a vector.
257 2016-05-19 Martin Liska <mliska@suse.cz>
259 * tree-if-conv.c (ifcvt_repair_bool_pattern): Utilize auto_vecs.
261 2016-05-19 Martin Liska <mliska@suse.cz>
263 * ipa-pure-const.c (set_function_state): Remove an existing
264 funct_state.
265 (remove_node_data): Do not free it as it's released
266 in set_function_state.
268 2016-05-19 Martin Liska <mliska@suse.cz>
270 * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Release
271 bitmap.
273 2016-05-19 Martin Liska <mliska@suse.cz>
275 * omp-simd-clone.c (simd_clone_adjust): Release vector.
277 2016-05-19 Martin Liska <mliska@suse.cz>
279 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Truncate
280 an auto_vec instead of re-creating it.
282 2016-05-19 Martin Liska <mliska@suse.cz>
284 * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Use
285 auto_vec instead of vec.
287 2016-05-19 Martin Liska <mliska@suse.cz>
289 * lto-section-in.c (lto_get_section_data): Call
290 lto_check_version with additional argument.
291 * lto-streamer.c (lto_check_version): Add new argument.
292 * lto-streamer.h (lto_check_version): Likewise.
294 2016-05-19 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
296 * config/arm/arm.c (arm_new_rtx_costs, SIGN_EXTEND case):
297 Don't add cost of inner memory when handling sign-extended loads.
299 2016-05-19 Ilya Enkovich <ilya.enkovich@intel.com>
301 PR rtl-optimization/71148
302 * cse.c (cse_main): Free dominance info.
303 (rest_of_handle_cse): Don't free dominance info.
304 (rest_of_handle_cse2): Likewise.
305 (rest_of_handle_cse_after_global_opts): Likewise.
307 2016-05-19 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
309 PR target/71056
310 * config/arm/arm-builtins.c (arm_builtin_vectorized_function): Return
311 NULL_TREE early if NEON is not available. Remove now redundant check
312 in ARM_CHECK_BUILTIN_MODE.
314 2016-05-19 Maxim Ostapenko <m.ostapenko@samsung.com>
316 PR sanitizer/64354
317 * cppbuiltin.c (define_builtin_macros_for_compilation_flags): Add new
318 builtin __SANITIZE_THREAD__ macros for fsanitize=thread switch.
319 * doc/cpp.texi: Document new macros.
321 2016-05-19 Bin Cheng <bin.cheng@arm.com>
323 PR tree-optimization/69848
324 * tree-vect-loop.c (vectorizable_reduction): Don't factor
325 comparison expr out of VEC_COND_EXPR for COND_REDUCTION.
327 2016-05-19 Segher Boessenkool <segher@kernel.crashing.org>
329 * function.c (thread_prologue_and_epilogue_insn): Move the
330 "goto epilogue_done" one block later.
332 2016-05-19 Richard Biener <rguenther@suse.de>
334 PR tree-optimization/70729
335 * passes.def: Move LIM pass before PRE. Remove no longer
336 required copyprop and move first DCE out of the loop pipeline.
338 2016-05-18 David Malcolm <dmalcolm@redhat.com>
340 PR driver/69265
341 * Makefile.in (GCC_OBJS): Move spellcheck.o to...
342 (OBJS-libcommon-target): ...here.
343 * opts-common.c: Include spellcheck.h.
344 (cmdline_handle_error): Build a vec of valid options and use it
345 to suggest provide hints for misspelled arguments.
347 2016-05-18 Jakub Jelinek <jakub@redhat.com>
349 PR c++/71100
350 * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Don't drop
351 lhs if it has TREE_ADDRESSABLE type.
353 2016-05-18 Uros Bizjak <ubizjak@gmail.com>
355 PR target/71145
356 * config/alpha/alpha.md (trap): Add (use (reg:DI 29)).
357 (*exception_receiver_1): Return "#" for TARGET_EXPLICIT_RELOCS.
359 2016-05-18 Martin Jambor <mjambor@suse.cz>
361 PR ipa/69708
362 * ipa-cp.c (ipa_get_jf_pass_through_result): Allow non-ip constant
363 input for NOP_EXPR pass-through functions.
364 * ipa-prop.c (ipa_compute_jump_functions_for_edge): Allow
365 aggregate global constant VAR_DECLs in constant jump functions.
367 2016-05-18 Martin Jambor <mjambor@suse.cz>
369 PR ipa/69708
370 * ipa-prop.c (parm_preserved_before_stmt_p): Return true for loads
371 from TREE_READONLY parameters.
373 2016-05-18 Martin Jambor <mjambor@suse.cz>
375 PR ipa/69708
376 * cgraph.h (cgraph_indirect_call_info): New field
377 guaranteed_unmodified.
378 * ipa-cp.c (ipa_get_indirect_edge_target_1): Also pass parameter value
379 to ipa_find_agg_cst_for_param, check guaranteed_unmodified when
380 appropriate.
381 * ipa-inline-analysis.c (evaluate_conditions_for_known_args): Also
382 pass the parameter value to ipa_find_agg_cst_for_param.
383 * ipa-prop.c (ipa_load_from_parm_agg): New parameter
384 guaranteed_unmodified, store AA results there instead of bailing out
385 if present.
386 (ipa_note_param_call): Also initialize guaranteed_unmodified flag.
387 (ipa_analyze_indirect_call_uses): Also set guaranteed_unmodified flag.
388 (find_constructor_constant_at_offset): New function.
389 (ipa_find_agg_cst_from_init): Likewise.
390 (ipa_find_agg_cst_for_param): Also seearch for aggregate values in
391 static initializers of contants, report back through a new paameter
392 from_global_constant if that was the case.
393 (try_make_edge_direct_simple_call): Also pass parameter value to
394 ipa_find_agg_cst_for_param, check guaranteed_unmodified when
395 appropriate.
396 (ipa_write_indirect_edge_info): Stream new flag guaranteed_unmodified.
397 (ipa_read_indirect_edge_info): Likewise.
398 * ipa-prop.h (ipa_find_agg_cst_for_param): Update declaration.
399 (ipa_load_from_parm_agg): Likewise.
401 2016-05-18 Jiong Wang <jiong.wang@arm.com>
403 PR rtl-optimization/71150
404 * lra-constraint (process_addr_reg): Guard "in_class_p" with REG_P
405 check.
407 2016-05-18 Michael Meissner <meissner@linux.vnet.ibm.com>
409 PR target/70915
410 * config/rs6000/constraints.md (wE constraint): New constraint
411 for a vector constant that can be loaded with XXSPLTIB.
412 (wM constraint): New constraint for a vector constant of a 1's.
413 (wS constraint): New constraint for a vector constant that can be
414 loaded with XXSPLTIB and a vector sign extend instruction.
415 * config/rs6000/predicates.md (xxspltib_constant_split): New
416 predicates for wE/wS constraints.
417 (xxspltib_constant_nosplit): Likewise.
418 (easy_vector_constant): Add support for constants that can be
419 loaded via XXSPLTIB.
420 (all_ones_constant): New predicate for vector constant with all
421 1's set.
422 (splat_input_operand): Add support for ISA 3.0 word splat operations.
423 * config/rs6000/rs6000.c (xxspltib_constant_p): New function to
424 return if a constant can be loaded with the ISA 3.0 XXSPLTIB
425 instruction and possibly with a sign extension.
426 (output_vec_const_move): Add support for XXSPLTIB. If we are
427 loading up 0/-1 into Altivec registers, prefer using VSPLTISW
428 instead of XXLXOR/XXLORC.
429 (rs6000_expand_vector_init): Add support for ISA 3.0 word splat
430 operations.
431 (rs6000_legitimize_reload_address): Likewise.
432 (rs6000_output_move_128bit): Use output_vec_const_move to emit
433 constants.
434 * config/rs6000/vsx.md (VSX_M): Add TImode (if -mvsx-timode) and
435 combine VSX_M and VSX_M2 into one iterator.
436 (VSX_M2): Likewise.
437 (VSINT_84): New iterators for loading constants with XXSPLTIB.
438 (VSINT_842): Likewise.
439 (UNSPEC_VSX_SIGN_EXTEND): New UNSPEC.
440 (xxspltib_v16qi): New insns to load up constants with the ISA 3.0
441 XXSPLTIB instruction.
442 (xxspltib_<mode>_nosplit): Likewise.
443 (xxspltib_<mode>_split): New insn to load up constants with
444 XXSPLTIB and a sign extend instruction.
445 (vsx_mov<mode>): Replace single move that handled all vector types
446 with separate 32-bit and 64-bit moves. Combine the movti_<bit>
447 moves (when -mvsx-timode is in effect) into the main vector
448 moves. Eliminate separate moves for <VSr> <VSa>, where the
449 preferred register class (<VSr>) is listed first, and the
450 secondary register class (<VSa>) is listed second with a '?' to
451 discourage use. Prefer loading 0/-1 in any VSX register for ISA
452 3.0, and Altivec registers for ISA 2.06/2.07 (PR target/70915) so
453 that if the register was involved in a slow operation, the
454 clear/set operation does not wait for the slow operation to
455 finish. Adjust the length attributes for 32-bit mode. Use
456 rs6000_output_move_128bit and drop the use of the string
457 instructions for 32-bit movti when -mvsx-timode is in effect. Use
458 spacing so that the alternatives and attributes don't generate
459 long lines, and put things in columns, so that it is easier to
460 match up the operands and attributes with the insn alternatives.
461 (vsx_mov<mode>_64bit): Likewise.
462 (vsx_mov<mode>_32bit): Likewise.
463 (vsx_movti_64bit): Fold movti into normal vector moves.
464 (vsx_movti_32bit): Likewise.
465 (vsx_splat_<mode>, V4SI/V4SF modes): Add support for ISA 3.0 word
466 splat instructions.
467 (vsx_splat_v4si_internal): Likewise.
468 (vsx_splat_v4sf_internal): Likewise.
469 (vector fusion peepholes): Use VSX_M instead of VSX_M2.
470 (vsx_sign_extend_qi_<mode>): New ISA 3.0 instructions to sign
471 extend vector elements.
472 (vsx_sign_extend_hi_<mode>): Likewise.
473 (vsx_sign_extend_si_v2di): Likewise.
474 * config/rs6000/rs6000-protos.h (xxspltib_constant_p): Add
475 declaration.
476 * doc/md.texi (PowerPC constraints): Document the wE, wM, and wS
477 constraints. Add trailing period to wL documentation.
479 2016-05-18 Richard Sandiford <richard.sandiford@arm.com>
481 PR middle-end/71020
482 * tree-dfa.h (replace_abnormal_ssa_names): Declare.
483 * tree-dfa.c (replace_abnormal_ssa_names): New function.
484 * tree-call-cdce.c: Include tree-dfa.h.
485 (can_guard_call_p): New function, extracted from...
486 (can_use_internal_fn): ...here.
487 (shrink_wrap_one_built_in_call_with_conds): Remove failure path
488 and return void.
489 (shrink_wrap_one_built_in_call): Likewise.
490 (use_internal_fn): Likewise.
491 (shrink_wrap_conditional_dead_built_in_calls): Update accordingly
492 and return void. Call replace_abnormal_ssa_names.
493 (pass_call_cdce::execute): Check can_guard_call_p during the
494 initial walk. Assume shrink_wrap_conditional_dead_built_in_calls
495 will always change something.
497 2016-05-18 Martin Jambor <mjambor@suse.cz>
499 PR ipa/70646
500 * ipa-prop.c (determine_locally_known_aggregate_parts): Bail out early
501 if parameter PARAM_IPA_MAX_AGG_ITEMS is zero.
503 2016-05-18 Martin Jambor <mjambor@suse.cz>
505 PR ipa/70646
506 * ipa-inline.h (condition): New field size.
507 * ipa-inline-analysis.c (add_condition): New parameter SIZE, use it
508 for comaprison and store it into the new condition.
509 (evaluate_conditions_for_known_args): Use condition size to check
510 access sizes for all but CHANGED conditions.
511 (unmodified_parm_1): New parameter size_p, store access size into it.
512 (unmodified_parm): Likewise.
513 (unmodified_parm_or_parm_agg_item): Likewise.
514 (eliminated_by_inlining_prob): Pass NULL to unmodified_parm as size_p.
515 (set_cond_stmt_execution_predicate): Extract access sizes and store
516 them to conditions.
517 (set_switch_stmt_execution_predicate): Likewise.
518 (will_be_nonconstant_expr_predicate): Likewise.
519 (will_be_nonconstant_predicate): Likewise.
520 (inline_read_section): Stream condition size.
521 (inline_write_summary): Likewise.
523 2016-05-18 Richard Biener <rguenther@suse.de>
525 * tree-ssa-loop-im.c (determine_max_movement): Properly add
526 condition cost to PHI cost instead of total_cost.
528 2016-05-18 Martin Liska <mliska@suse.cz>
530 PR fortran/70856
531 * ipa-icf.c (sem_variable::merge): Set DECL_PT_UID for
532 merged variables.
534 2016-05-18 Richard Biener <rguenther@suse.de>
536 * lto-streamer.h (LTO_major_version): Bump to 6.
538 2016-05-18 Segher Boessenkool <segher@kernel.crashing.org>
540 * function.c (make_split_prologue_seq, make_prologue_seq,
541 make_epilogue_seq): New functions, factored out from...
542 (thread_prologue_and_epilogue_insns): Here.
544 2016-05-18 Segher Boessenkool <segher@kernel.crashing.org>
546 * function.c (rest_of_handle_thread_prologue_and_epilogue): Call
547 cleanup_cfg with CLEANUP_EXPENSIVE after shrink-wrapping instead
548 of before. Add a comment.
550 2016-05-18 Bin Cheng <bin.cheng@arm.com>
552 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Check invariant
553 expression pointer, not pointer to the pointer.
555 2016-05-18 Jakub Jelinek <jakub@redhat.com>
557 * config/i386/sse.md (pbroadcast_evex_isa): New mode attr.
558 (avx2_pbroadcast<mode>): Add another alternative with v instead
559 of x constraints in it, using <pbroadcast_evex_isa> isa.
560 (avx2_pbroadcast<mode>_1): Similarly, add two such alternatives.
562 * config/i386/sse.md (<ssse3_avx2>_palignr<mode>): Use
563 constraint x instead of v in second alternative, add avx512bw
564 alternative.
566 * config/i386/sse.md (<ssse3_avx2>_pshufb<mode>3<mask_name>): Use
567 constraint x instead of v in second alternative, add avx512bw
568 alternative.
570 * config/i386/sse.md (*<ssse3_avx2>_pmulhrsw<mode>3<mask_name>): Use
571 constraint x instead of v in second alternative, add avx512bw
572 alternative.
574 * config/i386/sse.md (avx2_pmaddubsw256, ssse3_pmaddubsw128): Add
575 avx512bw alternative.
577 2016-05-18 Kirill Yukhin <kirill.yukhin@intel.com>
579 * gcc/config/i386/sse.md (define_insn "*andnot<mode>3"): Extend static
580 array to 128 chars.
581 (define_insn "*andnottf3"): Ditto.
582 (define_insn "*<code><mode>3"/any_logic): Ditto.
583 (define_insn "*<code>tf3"/any_logic): Ditto.
584 (define_insn "sse2_storehpd"): Use Yv constraint for scalar
585 operand to block AVX-512VL insn variant emit when it is not enabled.
587 2016-05-18 Kirill Yukhin <kirill.yukhin@intel.com>
589 * config/i386/sse.md (define_insn "*vec_concatv2sf_sse4_1"): Use 'Yv'
590 constraint fot SF mode.
592 2016-05-18 Petr Murzin <petr.murzin@intel.com>
593 Kirill Yukhin <kirill.yukhin@intel.com>
595 * config/i386/sse.md (define_insn "srcp14<mode>"): Use proper operand
596 modifiers.
597 (define_insn "rsqrt14<mode>"): Ditto.
598 (define_insn "<mask_codefor>avx512dq_cvtps2qqv2di<mask_name>"): Ditto.
599 (define_insn "<fixsuffix>fix_truncv2sfv2di2<mask_name>"): Ditto.
600 (define_insn "avx512f_<code>v8div16qi2_mask_store"): Ditto.
601 (define_insn "vec_set_hi_<mode><mask_name>"): Ditto.
602 (define_insn "<mask_codefor>avx512dq_broadcast<mode><mask_name>"):
603 Ditto.
604 (define_insn "*avx512f_gatherdi<mode>"): Ditto.
605 (define_insn "*avx512f_scatterdi<mode>"): Ditto.
606 * config/i386/i386.c (ix86_print_operand): Expand check for size
607 override codes for Intel syntax.
609 2016-05-18 Richard Biener <rguenther@suse.de>
611 PR tree-optimization/71168
612 * tree-loop-distribution.c (distribute_loop): Move *destroy_p
613 initialization earlier.
615 2016-05-18 James Greenhalgh <james.greenhalgh@arm.com>
617 * config/aarch64/aarch64-simd.md
618 (aarch64_reduc_plus_internal<mode>): Rename to...
619 (reduc_plus_scal): ...This, and remove previous implementation.
621 2016-05-18 Richard Biener <rguenther@suse.de>
623 * passes.def: Put late dse and cd_dce in canonical order.
625 2016-05-17 Jan Hubicka <hubicka@ucw.cz>
627 * ipa-inline-transform.c (preserve_function_body_p): Look for
628 first non-thunk clone.
629 (save_function_body): Save into first non-thunk.
630 * lto-cgraph.c (lto_output_edge): When streaming thunk do not look
631 up call stmt id.
632 (lto_output_node): Inline thunks don't need body in every
633 partition.
634 * lto-streamer-in.c: Do not fixup thunk clones.
635 * cgraphclones.c (cgraph_node::create_edge_including_clone): Skip
636 thunks.
637 * tree-inline.c (copy_bb): Be prepared for target node to be new after
638 folding suceeds.
640 2016-05-17 Kugan Vivekanandarajah <kuganv@linaro.org>
642 PR middle-end/63586
643 * tree-ssa-reassoc.c (transform_add_to_multiply): New.
644 (reassociate_bb): Call transform_add_to_multiply.
646 2016-05-17 Kugan Vivekanandarajah <kuganv@linaro.org>
648 * config/aarch64/aarch64.c (all_extensions): Removed unused
649 static variable.
651 2016-05-17 Nathan Sidwell <nathan@acm.org>
653 * config/nvptx/nvptx.c (nvptx_function_arg_boundary): New.
654 (TARGET_FUNCTION_ARG_BOUNDARY): Override.
656 2016-05-17 Mikhail Maltsev <maltsevm@gmail.com>
658 PR tree-optimization/54579
659 PR middle-end/55299
660 * match.pd (~(~X >> Y), ~(~X >>r Y), ~(~X <<r Y)): New patterns.
662 2016-05-17 Marek Polacek <polacek@redhat.com>
664 PR ipa/71146
665 * tree-inline.c (expand_call_inline): Call
666 maybe_remove_unused_call_args.
668 2016-05-17 Jim Wilson <jim.wilson@linaro.org>
670 * doc/cpp.texi (__GNUC__): Major version changes are no longer rare.
671 * doc/invoke.texi (-mnan=2008): Change signalling to signaling.
672 * doc/md.texi (fmin@var{m}3): Likewise.
674 2016-05-17 Marc Glisse <marc.glisse@inria.fr>
676 * match.pd (X & C): New transformation.
678 2016-05-17 Marc Glisse <marc.glisse@inria.fr>
680 * match.pd (~X & Y): New transformation.
682 2016-05-17 Marc Glisse <marc.glisse@inria.fr>
684 * tree-vrp.c (simplify_truth_ops_using_ranges): Set range
685 information for new SSA_NAME.
686 (simplify_conversion_using_ranges): Get range through get_range_info
687 instead of get_value_range.
689 2016-05-17 Jiong Wang <jiong.wang@arm.com>
691 * config/aarch64/arm_neon.h (vmvn_s8): Reimplement using C operator.
692 Remove inline assembly.
693 (vmvn_s16): Likewise.
694 (vmvn_s32): Likewise.
695 (vmvn_u8): Likewise.
696 (vmvn_u16): Likewise.
697 (vmvn_u32): Likewise.
698 (vmvnq_s8): Likewise.
699 (vmvnq_s16): Likewise.
700 (vmvnq_s32): Likewise.
701 (vmvnq_u8): Likewise.
702 (vmvnq_u16): Likewise.
703 (vmvnq_u32): Likewise.
704 (vmvn_p8): Likewise.
705 (vmvnq_p16): Likewise.
707 2016-05-17 Jiong Wang <jiong.wang@arm.com>
709 * config/aarch64/aarch64-simd.md (vmul_n_f32): Remove inline assembly.
710 Use builtin.
711 (vmul_n_s16): Likewise.
712 (vmul_n_s32): Likewise.
713 (vmul_n_u16): Likewise.
714 (vmul_n_u32): Likewise.
715 (vmulq_n_f32): Likewise.
716 (vmulq_n_f64): Likewise.
717 (vmulq_n_s16): Likewise.
718 (vmulq_n_s32): Likewise.
719 (vmulq_n_u16): Likewise.
720 (vmulq_n_u32): Likewise.
722 2016-05-17 Jiong Wang <jiong.wang@arm.com>
724 * config/aarch64/aarch64-simd.md (*aarch64_mul3_elt_to_128df): Extend
725 to all supported modes. Rename to "*aarch64_mul3_elt_from_dup".
727 2016-05-17 Jiong Wang <jiong.wang@arm.com>
729 * config/aarch64/aarch64-simd.md (*aarch64_fma4_elt_to_128df): Rename
730 to *aarch64_fma4_elt_from_dup<mode>.
731 (*aarch64_fnma4_elt_to_128df): Rename to
732 *aarch64_fnma4_elt_from_dup<mode>.
733 * config/aarch64/arm_neon.h (vfma_n_f64): New.
734 (vfms_n_f32): Likewise.
735 (vfms_n_f64): Likewise.
736 (vfmsq_n_f32): Likewise.
737 (vfmsq_n_f64): Likewise.
739 2016-05-17 Gerald Pfeifer <gerald@pfeifer.com>
741 * wide-int.h: Change fixed_wide_int_storage from class to struct.
743 2016-05-17 Richard Biener <rguenther@suse.de>
745 PR tree-optimization/71132
746 * tree-loop-distribution.c (create_rdg_cd_edges): Pass in loop.
747 Only add control dependences for blocks in the loop.
748 (build_rdg): Adjust.
749 (generate_code_for_partition): Return whether loop should
750 be destroyed and delay that.
751 (distribute_loop): Likewise.
752 (pass_loop_distribution::execute): Record loops to be destroyed
753 and perform delayed destroying of loops.
755 2016-05-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
757 PR target/70809
758 * config/aarch64/aarch64-simd.md (aarch64_vmls<mode>): Delete.
760 2016-05-17 James Greenhalgh <james.greenhalgh@arm.com>
762 * config/aarch64/aarch64-elf.h (ASM_OUTPUT_DEF): Delete.
764 2016-05-17 Ilya Enkovich <ilya.enkovich@intel.com>
766 PR target/71114
767 * config/i386/i386.c (dimode_scalar_chain::convert_op): Fix
768 insertion point for instructions generated by validize_mem.
770 2016-05-17 James Greenhalgh <james.greenhalgh@arm.com>
772 * config/aarch64/aarch64.c (SHIFT_COUNT_TRUNCATED): Wrap definition
773 in brackets.
775 2016-05-17 James Greenhalgh <james.greenhalgh@arm.com>
777 * config/aarch64/aarch64.c
778 (aarch64_output_simd_mov_immediate): Make "buf_size" a variable
779 rather than a macro.
781 2016-05-16 Wilco Dijkstra <wdijkstr@arm.com>
783 * doc/invoke.texi (AArch64 Options): Various updates.
785 2016-05-16 Jan Hubicka <hubicka@ucw.cz>
787 * ipa-inline-analysis.c (compute_inline_parameters): Disable inlinig
788 into instrumentation thunks.
789 * cif-code.def (CIF_CHKP): New.
791 2016-05-16 Uros Bizjak <ubizjak@gmail.com>
793 * config/i386/xopintrin.h: Correct "unsinged" typo in the comments.
795 2016-05-16 Martin Jambor <mjambor@suse.cz>
797 * hsa-gen.c (fillup_for_decl): Increase alignment to natural one.
798 (get_symbol_for_decl): Sorry if a global symbol in under-aligned.
800 2016-05-16 Marek Polacek <polacek@redhat.com>
802 * gimple.c (maybe_remove_unused_call_args): Fix typos in the
803 commentary.
805 2016-05-16 Martin Jambor <mjambor@suse.cz>
807 PR hsa/70857
808 * omp-low.c (grid_expand_target_grid_body): Copy RESULT_DECL of
809 the outlined kernel function.
811 2016-05-16 Robert Suchanek <robert.suchanek@imgtec.com>
813 * config/mips/mips.h (ISA_HAS_LSA): Enable for -mmsa.
814 (ISA_HAS_DLSA): Ditto.
816 2016-05-16 Matthew Fortune <matthew.fortune@imgtec.com>
818 * config/mips/m5100.md (m51_int_load): Update the latency to 2.
820 2016-05-16 Nathan Sidwell <nathan@acm.org>
822 * config/nvptx/nvptx.c (nvptx_mangle_decl_assembler_name): Revert.
823 (nvptx_name_replacement): Restore. Add comment.
824 (write_fn_proto, write_fn_proto_from_insn,
825 nvptx_output_call_insn): Restore
826 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Delete.
828 2016-05-16 Wilco Dijkstra <wdijkstr@arm.com>
830 * config/aarch64/aarch64.md
831 (add<mode>3_compareC_cconly_imm): Remove use of %w.
832 (add<mode>3_compareC_imm): Likewise.
833 (<optab>si3_uxtw): Split into register and immediate variants.
834 (andsi3_compare0_uxtw): Likewise.
835 (and<mode>3_compare0): Likewise.
836 (and<mode>3nr_compare0): Likewise.
837 (stack_protect_test_<mode>): Don't use %x for memory operands.
839 2016-05-16 Matthew Fortune <matthew.fortune@imgtec.com>
841 * config/mips/mips-cpus.def (p5600): Add multi-line brackets.
843 2016-05-16 Wilco Dijkstra <wdijkstr@arm.com>
845 * gcc/config/aarch64/aarch64.md (aarch64_ashl_sisd_or_int_<mode>3):
846 Split integer shifts into shift_reg and bfm.
847 (aarch64_lshr_sisd_or_int_<mode>3): Likewise.
848 (aarch64_ashr_sisd_or_int_<mode>3): Likewise.
849 (ror<mode>3_insn): Likewise.
850 (<optab>si3_insn_uxtw): Likewise.
851 (<optab><mode>3_insn): Change to rotate_imm.
852 (extr<mode>5_insn_alt): Likewise.
853 (extrsi5_insn_uxtw): Likewise.
854 (extrsi5_insn_uxtw_alt): Likewise.
856 2016-05-16 Matthew Wahab <matthew.wahab@arm.com>
858 * doc/tm.texi: Regenerate.
859 * doc/tm.texi.in (TARGET_INVALID_PARAMETER_TYPE): Remove.
860 (TARGET_INVALID_RETURN_TYPE): Remove.
861 * system.h: Poison TARGET_INVALID_PARAMETER_TYPE and
862 TARGET_INVALID_RETURN_TYPE.
863 * target.def (invalid_parameter_type): Remove.
864 (invalid_return_type): Remove.
866 2016-05-16 Jan Hubicka <hubicka@ucw.cz>
868 * ipa-inline-analysis.c (compute_inline_parameters): Be more reailistic
869 on estimating thunk bodies; do not set inline_failed to CIF_THUNK for
870 calls from thunk.
871 * ipa-inline-transform.c (inline_call): When inlining into thunk produce
872 gimple body.
873 (preserve_function_body_p): No need to preserve function body
874 * cif-codes.def (CIF_THUNK): Remove.
875 * cgraphclones.c (duplicate_thunk_for_node): Thunks calls are inlinable.
877 2016-05-16 Jan Hubicka <hubicka@ucw.cz>
879 * tree-inline.c (expand_call_inline): recurse after inlining thunk.
881 2016-05-16 Jan Hubicka <hubicka@ucw.cz>
883 * tree.c (free_lang_data_in_decl): Also set target/optimization flags
884 for thunks.
886 2016-05-16 Jan Hubicka <hubicka@ucw.cz>
888 * ipa-inline.c (report_inline_failed_reason): Look into thunks, too
889 (inline_small_functions): Do not look for function symbol when
890 resetting caches.
892 2016-05-16 Jan Hubicka <hubicka@ucw.cz>
894 * lto-cgraph.c (compute_ltrans_boundary, output_symtab): Fix handling
895 of inline thunks
897 2016-05-16 Matthew Wahab <matthew.wahab@arm.com>
898 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
899 Jiong Wang <jiong.wang@arm.com>
901 * config/arm/arm-c.c (arm_cpu_builtins): Use def_or_undef_macro
902 for __ARM_FP16_FORMAT_IEEE and __ARM_FP16_FORMAT_ALTERNATIVE.
903 Define __ARM_FP16_ARGS when appropriate.
904 * config/arm/arm.c (arm_invalid_parameter_type): Remove
905 declaration.
906 (arm_invalid_return_type): Likewise.
907 (TARGET_INVALID_PARAMETER_TYPE): Remove.
908 (TARGET_INVALID_RETURN_TYPE): Remove.
909 (aapcs_vfp_sub_candidate): Allow HFmode.
910 (aapcs_vfp_allocate): Add comment. Support HFmode.
911 (aapcs_vfp_allocate_return_reg): Likewise.
912 (struct aapcs_cp_arg_layout): Slightly reword comments for
913 is_return_candidate and allocate_return_reg.
914 (output_mov_vfp): Update assert.
915 (arm_hard_regno_mode_ok): Remove comment, update HF-mode
916 condition.
917 (arm_invalid_parameter_type): Remove.
918 (amr_invalid_return_type): Remove.
919 * config/arm/arm.h (TARGET_NEON_FP16): Fix definition.
920 * config/arm/arm.md (*arm32_movhf): Disable for TARGET_VFP.
921 * config/arm/vfp.md (*movhf_vfp): Enable for TARGET_VFP.
923 2016-05-16 Matthew Wahab <matthew.wahab@arm.com>
925 * config/aarch64/aarch64.h (LEGITIMIZE_RELOAD_ADDRESS): Remove.
926 * config/aarch64/arch64-protos.h
927 (aarch64_legitimize_reload_address): Remove.
928 * config/aarch64/aarch64.c (aarch64_legitimize_reload_address):
929 Remove.
931 2016-05-16 Eric Botcazou <ebotcazou@adacore.com>
933 * configure.ac: Add ACX_NONCANONICAL_HOST.
934 * configure: Regenerate.
935 * Makefile.in: Set host_noncanonical.
937 2016-05-14 Uros Bizjak <ubizjak@gmail.com>
939 PR target/71097
940 * config/i386/i386.md (*movtf_internal): Before register allocation,
941 do not allow FP constants for CM_MEDIUM memory model, allow only
942 standard FP constants for CM_LARGE and CM_LARGE_PIC models.
943 (*movxf_internal): Ditto.
944 (*movdf_internal): Ditto.
945 (*movsf_internal): Ditto.
947 2016-05-13 Segher Boessenkool <segher@kernel.crashing.org>
949 PR rtl-optimization/67483
950 * combine.c (make_compound_operation): Don't call extract_left_shift
951 with negative shift amounts.
953 2016-05-13 Jakub Jelinek <jakub@redhat.com>
955 PR bootstrap/71071
956 * fold-const.c (fold_checksum_tree): Allow modification
957 of TYPE_ALIAS_SET during folding.
959 * config/i386/i386.c (ix86_compute_frame_layout, ix86_expand_prologue,
960 ix86_expand_split_stack_prologue): Use HOST_WIDE_INT_C macro.
961 (ix86_split_to_parts): Likewise. Fix up formatting.
963 2016-05-13 H.J. Lu <hongjiu.lu@intel.com>
965 * tree-ssa-loop-ivopts.c (create_new_ivs): Cast to
966 unsigned HOST_WIDE_INT with HOST_WIDE_INT_PRINT_UNSIGNED in
967 printf format.
969 2016-05-13 Nathan Sidwell <nathan@acm.org>
971 * config/nvptx/nvptx.c (nvptx_mangle_decl_assembler_name): New.
972 (nvptx_name_replacement): Delete.
973 (write_fn_proto, write_fn_proto_from_insn,
974 nvptx_output_call_insn): Remove nvptx_name_replacement call.
975 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Override.
976 * langhooks.c (add_builtin_funcction_common): Call
977 targetm.mangle_decl_assembler_name.
979 * config/nvptx/nvptx.c (write_fn_proto): Handle
980 BUILT_IN_ATOMIC_COMPARE_EXCHANGE_n oddity.
982 2016-05-13 Martin Liska <mliska@suse.cz>
984 * tree-ssa-loop-ivopts.c (create_new_ivs): Use HOST_WIDE_INT_PRINT_DEC
985 and PRIu64 in printf format.
987 2016-05-13 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
989 * tree-ssa-loop-ivanon.c (try_unroll_loop_completely): Typo fix in
990 comment.
992 2016-05-13 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
994 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
995 Change --param max-completely-peeled-times to
996 --param max-completely-peel-times in dump file printing.
998 2016-05-13 Richard Biener <rguenther@suse.de>
1000 PR tree-optimization/42587
1001 * tree-ssa-math-opts.c (perform_symbolic_merge): Handle BIT_FIELD_REF.
1002 (find_bswap_or_nop_1): Likewise.
1003 (bswap_replace): Likewise.
1005 2016-05-13 Martin Liska <mliska@suse.cz>
1007 * tree-vect-patterns.c (vect_recog_mask_conversion_pattern):
1008 Initialize a variable with default value.
1010 2016-05-13 Martin Liska <mliska@suse.cz>
1012 * doc/invoke.texi: Enhance explanation of error recovery
1013 of sanitizers.
1015 2016-05-13 Martin Liska <mliska@suse.cz>
1017 * tree-ssa-loop-ivopts.c (avg_loop_niter): Fix coding style.
1018 (struct cost_pair): Change inv_expr_id (int) to inv_expr
1019 (iv_inv_expr_ent *).
1020 (struct iv_inv_expr_ent): Comment struct fields.
1021 (sort_iv_inv_expr_ent): New function.
1022 (struct ivopts_data): Rename inv_expr_id to max_inv_expr_id.
1023 (struct iv_ca): Replace used_inv_expr and num_used_inv_expr with
1024 a hash_map between iv_inv_expr_ent and number of usages.
1025 (niter_for_exit): Fix coding style.
1026 (tree_ssa_iv_optimize_init): Use renamed variable.
1027 (determine_base_object): Fix coding style.
1028 (alloc_iv): Likewise.
1029 (find_interesting_uses_outside): Likewise.
1030 (add_candidate_1): Likewise.
1031 (add_standard_iv_candidates): Likewise.
1032 (set_group_iv_cost): Replace inv_expr_id with inv_expr.
1033 (prepare_decl_rtl): Fix coding style.
1034 (get_address_cost): Likewise.
1035 (get_shiftadd_cost): Likewise.
1036 (force_expr_to_var_cost): Likewise.
1037 (compare_aff_trees): Likewise.
1038 (get_expr_id): Restructure the function.
1039 (get_loop_invariant_expr_id): Renamed to
1040 get_loop_invariant_expr.
1041 (get_computation_cost_at): Replace usage of inv_expr_id with
1042 inv_expr.
1043 (get_computation_cost): Likewise.
1044 (determine_group_iv_cost_generic): Likewise.
1045 (determine_group_iv_cost_address): Likewise.
1046 (iv_period): Fix coding style.
1047 (iv_elimination_compare_lt): Likewise.
1048 (may_eliminate_iv): Likewise.
1049 (determine_group_iv_cost_cond): Replace usage of inv_expr_id with
1050 inv_expr.
1051 (determine_group_iv_costs): Dump invariant expressions.
1052 (iv_ca_recount_cost): Use the newly added hash_map.
1053 (iv_ca_set_remove_invariants): Fix coding style.
1054 (iv_ca_set_add_invariants): Fix coding style.
1055 (iv_ca_set_no_cp): Utilize the newly added hash_map for used
1056 invariants.
1057 (iv_ca_set_cp): Likewise.
1058 (iv_ca_new): Initialize the newly added hash_map and remove
1059 initialization of fields.
1060 (iv_ca_free): Delete the hash_map.
1061 (iv_ca_dump): Dump invariant expressions.
1062 (iv_ca_extend): Fix coding style.
1063 (try_add_cand_for): Likewise.
1064 (create_new_ivs): Dump information about # of avg iterations and
1065 # of used invariant expressions.
1066 (rewrite_use_compare): Fix coding style.
1067 (free_loop_data): Set default value for max_inv_expr_id.
1069 2016-05-13 Ilya Enkovich <ilya.enkovich@intel.com>
1071 * cse.c (rest_of_handle_cse): Use cleanup_cfg
1072 returned value cse_cfg_altered computation.
1073 (rest_of_handle_cse2): Likewise.
1074 (rest_of_handle_cse_after_global_opts): Likewise.
1076 2016-05-13 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1078 PR target/53440
1079 * config/arm/arm.c (arm32_output_mi_thunk): New.
1080 (arm_output_mi_thunk): Rename to arm_thumb1_mi_thunk. Rework
1081 to split Thumb1 vs TARGET_32BIT functionality.
1082 (arm_thumb1_mi_thunk): New.
1084 2016-05-13 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1086 * config/aarch64/aarch64.c (TARGET_OMIT_STRUCT_RETURN_REG): Set
1087 to true.
1089 2016-05-13 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1091 PR target/71080
1092 * config/i386/i386.c (ix86_in_large_data_p): Guard against NULL exp.
1094 2016-05-13 Eric Botcazou <ebotcazou@adacore.com>
1096 * builtins.c (expand_builtin_memcmp): Do not emit the call here.
1097 (expand_builtin_trap): Emit a regular call.
1098 (set_builtin_user_assembler_name): Remove obsolete cases.
1099 * dse.c (scan_insn): Adjust.
1100 * except.c: Include calls.h.
1101 (sjlj_emit_function_enter): If DONT_USE_BUILTIN_SETJMP is defined,
1102 emit a regular call to setjmp.
1103 * expr.c (emit_block_move_hints): Call emit_block_copy_via_libcall.
1104 (block_move_libcall_safe_for_call_parm): Use memcpy builtin.
1105 (emit_block_move_via_libcall): Delete.
1106 (block_move_fn): Delete.
1107 (init_block_move_fn): Likewise.
1108 (emit_block_move_libcall_fn): Likewise.
1109 (emit_block_op_via_libcall): New function.
1110 (set_storage_via_libcall): Tidy up and use memset builtin.
1111 (block_clear_fn): Delete.
1112 (init_block_clear_fn): Likewise.
1113 (clear_storage_libcall_fn): Likewise.
1114 (expand_assignment): Call emit_block_move_via_libcall.
1115 Do not include gt-expr.h.
1116 * expr.h (emit_block_op_via_libcall): Declare.
1117 (emit_block_copy_via_libcall): New inline function.
1118 (emit_block_move_via_libcall): Likewise.
1119 (emit_block_comp_via_libcall): Likewise.
1120 (block_clear_fn): Delete.
1121 (init_block_move_fn): Likewise.
1122 (init_block_clear_fn): Likewise.
1123 (emit_block_move_via_libcall): Likewise.
1124 (set_storage_via_libcall): Add default parameter value.
1125 * libfuncs.h (enum libfunc_index): Remove obsolete values.
1126 (abort_libfunc): Delete.
1127 (memcpy_libfunc): Likewise.
1128 (memmove_libfunc): Likewise.
1129 (memcmp_libfunc): Likewise.
1130 (memset_libfunc): Likewise.
1131 (setbits_libfunc): Likewise.
1132 (setjmp_libfunc): Likewise.
1133 (longjmp_libfunc): Likewise.
1134 (profile_function_entry_libfunc): Likewise.
1135 (profile_function_exit_libfunc): Likewise.
1136 (gcov_flush_libfunc): Likewise.
1137 * optabs-libfuncs.c (build_libfunc_function): Set DECL_ARTIFICIAL
1138 and DECL_VISIBILITY on the declaration.
1139 (init_optabs): Do not initialize obsolete libfuncs.
1140 * optabs.c (prepare_cmp_insn): Call emit_block_comp_via_libcall.
1141 * tree-core.h (ECF_RET1): Define.
1142 (ECF_TM_PURE): Adjust.
1143 (ECF_TM_BUILTIN): Likewise.
1144 * tree.c (set_call_expr_flags): Deal with ECF_RET1.
1145 (build_common_builtin_nodes): Initialize abort builtin.
1146 Add ECF_RET1 on memcpy, memmove and memset builtins.
1147 Pass final flags for alloca and alloca_with_align builtins.
1148 * config/alpha/alpha.c (alpha_init_libfuncs): Do not initialize
1149 obsolete builtins.
1150 * config/ia64/ia64.c (ia64_vms_init_libfuncs): Likewise.
1151 * config/i386/i386.c (ix86_expand_set_or_movmem): Adjust call to
1152 set_storage_via_libcall and call emit_block_copy_via_libcall.
1154 2016-05-12 Uros Bizjak <ubizjak@gmail.com>
1156 * config/i386/i386.md (*call_got_x32): Change operand 0 to
1157 DImode before it is passed to ix86_output_call_operand.
1158 (*call_value_got_x32): Ditto for operand 1.
1160 2016-05-12 Jiong Wang <jiong.wang@arm.com>
1162 PR rtl-optimization/70904
1163 * lra-constraint.c (process_addr_reg): Relax the restriction on subreg
1164 reload for wide mode.
1166 2016-05-12 Marek Polacek <polacek@redhat.com>
1168 PR c/70756
1169 * langhooks-def.h (lhd_incomplete_type_error): Adjust declaration.
1170 * langhooks.c (lhd_incomplete_type_error): Add location parameter.
1171 * langhooks.h (incomplete_type_error): Likewise.
1172 * tree.c (size_in_bytes_loc): Renamed from size_in_bytes. Add location
1173 parameter, pass it down to incomplete_type_error.
1174 * tree.h (size_in_bytes): New inline overload.
1175 (size_in_bytes_loc): Renamed from size_in_bytes.
1177 2016-05-12 Richard Biener <rguenther@suse.de>
1179 PR tree-optimization/71059
1180 * tree-ssa-pre.c (phi_translate_1): Fully fold translated
1181 nary before looking up or entering the expression into the VN
1182 hashes.
1183 * tree-ssa-sccvn.c (vn_nary_build_or_lookup): Fix comment typo.
1184 Make sure to re-use NARYs without result as inserted by
1185 phi-translation.
1187 2016-05-12 Richard Biener <rguenther@suse.de>
1189 PR tree-optimization/71062
1190 * tree-ssa-alias.h (struct pt_solution): Add vars_contains_restrict
1191 field.
1192 * tree-ssa-structalias.c (set_uids_in_ptset): Set
1193 vars_contains_restrict if the var is a restrict tag.
1194 * tree-ssa-alias.c (ptrs_compare_unequal): If vars_contains_restrict
1195 do not disambiguate pointers against it.
1196 (dump_points_to_solution): Re-structure and adjust for new
1197 vars_contains_restrict flag.
1198 * gimple-pretty-print.c (pp_points_to_solution): Likewise.
1200 2016-05-12 Martin Liska <mliska@suse.cz>
1202 * doc/invoke.texi: Explain connection between
1203 -fsanitize-recover=address and ASAN_OPTIONS="halt_on_error=1".
1205 2016-05-12 Ilya Enkovich <ilya.enkovich@intel.com>
1207 PR tree-optimization/71006
1208 * tree-vect-loop.c (vect_determine_vectorization_factor): Don't
1209 consider COND_EXPR as a mask producer.
1211 2016-05-12 Marek Polacek <polacek@redhat.com>
1213 PR driver/71063
1214 * opts.c (common_handle_option): Detect missing argument for --help^.
1216 2016-05-12 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1218 PR target/70830
1219 * config/arm/arm.c (arm_output_multireg_pop): Avoid POP instruction
1220 when popping the PC and within an interrupt handler routine.
1221 Add missing tab to output of "ldmfd".
1222 (output_return_instruction): Output LDMFD with SP update rather
1223 than POP when returning from interrupt handler.
1225 2016-05-12 Jakub Jelinek <jakub@redhat.com>
1227 * config/i386/i386.md (isa): Add x64_avx512dq, enable if
1228 TARGET_64BIT && TARGET_AVX512DQ.
1229 * config/i386/sse.md (*vec_extract<mode>): Add avx512bw alternatives.
1230 (*vec_extract<PEXTR_MODE12:mode>_zext): Add avx512bw alternative.
1231 (*vec_extract<ssevecmodelower>_0, *vec_extractv4si_0_zext,
1232 *vec_extractv2di_0_sse): Use v constraint instead of x constraint.
1233 (*vec_extractv4si): Add avx512dq and avx512bw alternatives.
1234 (*vec_extractv4si_zext): Add avx512dq alternative.
1235 (*vec_extractv2di_1): Add x64_avx512dq and avx512bw alternatives,
1236 use v instead of x constraint in other alternatives where possible.
1238 * config/i386/sse.md (sse2_loadld): Use v instead of x
1239 constraint in alternatives 0,1,4.
1241 * config/i386/sse.md (pinsr_evex_isa): New mode attr.
1242 (<sse2p4_1>_pinsr<ssemodesuffix>): Add 2 alternatives with
1243 v constraints instead of x and <pinsr_evex_isa> isa attribute.
1245 PR target/71019
1246 * config/i386/sse.md (<sse2_avx2>_packssdw<mask_name>,
1247 <sse4_1_avx2>_packusdw<mask_name>): Make sure EVEX encoded insn
1248 is not emitted unless TARGET_AVX512BW.
1249 (<sse2_avx2>_packuswb<mask_name>, <sse2_avx2>_packsswb<mask_name>):
1250 Likewise. For TARGET_AVX512BW, use "=v" constraint instead of "=x"
1251 for the result operand.
1253 * config/i386/sse.md (*vec_setv4sf_sse4_1, sse4_1_insertps): Use v
1254 constraint instead of x in avx alternatives. Use maybe_evex instead
1255 of vex prefix.
1257 * config/i386/constraints.md (Yv): New constraint.
1258 * config/i386/i386.h (VALID_AVX512VL_128_REG_MODE): Allow
1259 TFmode and V1TImode in xmm16+ registers for TARGET_AVX512VL.
1260 * config/i386/i386.md (avx512fvecmode): New mode attr.
1261 (*pushtf): Use v constraint instead of x.
1262 (*movtf_internal): Likewise. For TARGET_AVX512VL and
1263 xmm16+ registers, use vmovdqu64 or vmovdqa64 instructions.
1264 (*absneg<mode>2): Use Yv constraint instead of x constraint.
1265 (*absnegtf2_sse): Likewise.
1266 (copysign<mode>3_const, copysign<mode>3_var): Likewise.
1267 * config/i386/sse.md (*andnot<mode>3): Add avx512vl and
1268 avx512f alternatives.
1269 (*andnottf3, *<code><mode>3, *<code>tf3): Likewise.
1271 2016-05-12 Richard Biener <rguenther@suse.de>
1273 PR tree-optimization/71060
1274 * tree-data-ref.c (initialize_data_dependence_relation): Do not
1275 require exact match of DR_BASE_OBJECT but only matching address and
1276 type.
1278 2016-05-12 Richard Biener <rguenther@suse.de>
1280 PR tree-optimization/70986
1281 * cfganal.c: Include cfgloop.h.
1282 (dfs_find_deadend): Prefer to take edges exiting loops.
1284 2016-05-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1286 * gcc.target/powerpc/pr70963.c: Require at least power8 at both
1287 compile and run time.
1289 2016-05-11 Mikhail Maltsev <maltsevm@gmail.com>
1291 PR c/43651
1292 * doc/invoke.texi (Wduplicate-decl-specifier): Document new option.
1294 2016-05-11 Uros Bizjak <ubizjak@gmail.com>
1296 * config/i386/i386.c (legitimize_pic_address): Use
1297 copy_to_suggested_reg instead of gen_movsi.
1299 2016-05-11 Michael Meissner <meissner@linux.vnet.ibm.com>
1301 * config/rs6000/predicates.md (quad_memory_operand): Move most of
1302 the code into quad_address_p and call it to share code with
1303 vsx_quad_dform_memory_operand.
1304 (vsx_quad_dform_memory_operand): New predicate for ISA 3.0 vector
1305 d-form support.
1306 * config/rs6000/rs6000.opt (-mlra): Switch to being an option mask
1307 bit instead of being a separate word. Split -mpower9-dform into
1308 two switches, -mpower9-dform-scalar and -mpower9-dform-vector.
1309 * config/rs6000/rs6000.c (RELOAD_REG_QUAD_OFFSET): New addr_mask
1310 for the register class supporting 128-bit quad word memory offsets.
1311 (mode_supports_vsx_dform_quad): Helper function to return if the
1312 register class uses quad word memory offsets.
1313 (rs6000_debug_addr_mask): Add support for quad word memory offsets.
1314 (rs6000_debug_reg_global): Always print if we are using LRA or not.
1315 (rs6000_setup_reg_addr_masks): If ISA 3.0 vector d-form
1316 instructions are enabled, set up the appropriate addr_masks for
1317 128-bit types.
1318 (rs6000_init_hard_regno_mode_ok): wb constraint is now based on
1319 -mpower9-dform-scalar, instead of -mpower9-dform.
1320 (rs6000_option_override_internal): Split -mpower9-dform into two
1321 switches, -mpower9-dform-scalar and -mpower9-dform-vector. The
1322 -mpower9-dform switch sets or clears both. If we are not using
1323 the LRA register allocator, do not enable -mpower9-dform-vector by
1324 default. If we are using LRA, enable -mpower9-dform-vector and
1325 -mvsx-timode if it is appropriate. Issue a warning if either
1326 -mpower9-dform-vector or -mvsx-timode are explicitly used without
1327 enabling LRA.
1328 (quad_address_offset_p): New helper function to return if the
1329 offset is legal for quad word memory instructions.
1330 (quad_address_p): New function to determin if GPR or vector
1331 register quad word memory addresses are legal.
1332 (mem_operand_gpr): Validate quad word address offsets.
1333 (reg_offset_addressing_ok_p): Add support for ISA 3.0 vector
1334 d-form (register + offset) instructions.
1335 (offsettable_ok_by_alignment): Likewise.
1336 (rs6000_legitimate_offset_address_p): Likewise.
1337 (legitimate_lo_sum_address_p): Likewise.
1338 (rs6000_legitimize_address): Likewise.
1339 (rs6000_legitimize_reload_address): Add more debug statements for
1340 -mdebug=addr.
1341 (rs6000_legitimate_address_p): Add support for ISA 3.0 vector
1342 d-form instructions.
1343 (rs6000_secondary_reload_memory): Add support for ISA 3.0 vector
1344 d-form instructions. Distinguish different cases in debug
1345 output. (rs6000_secondary_reload_inner): Add support for ISA 3.0 vector
1346 d-form instructions.
1347 (rs6000_preferred_reload_class): Likewise.
1348 (rs6000_output_move_128bit): Add support for ISA 3.0 d-form
1349 instructions. If ISA 3.0 is available, generate lxvx/stxvx instead
1350 of the ISA 2.06 indexed memory instructions.
1351 (rs6000_emit_prologue): If we have ISA 3.0 d-form instructions,
1352 use them to save/restore the saved vector registers instead of
1353 using Altivec instructions.
1354 (rs6000_emit_epilogue): Likewise.
1355 (rs6000_lra_p): Use TARGET_LRA instead of the old option word.
1356 (rs6000_opt_masks): Split -mpower9-dform into
1357 -mpower9-dform-scalar and -mpower9-dform-vector.
1358 (rs6000_print_options_internal): Print -mno-<switch> if <switch>
1359 was not selected.
1360 * config/rs6000/vsx.md (p9_vecload_<mode>): Delete hack to emit
1361 ISA 3.0 vector indexed memory instructions, and fold the code into
1362 the normal mov<mode> patterns.
1363 (p9_vecstore_<mode>): Likewise.
1364 (vsx_mov<mode>): Add support for ISA 3.0 vector d-form
1365 instructions.
1366 (vsx_movti_64bit): Likewise.
1367 (vsx_movti_32bit): Likewise.
1368 * config/rs6000/constraints.md (wO constraint): New constraint for
1369 ISA 3.0 vector d-form support.
1370 * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Use
1371 -mpower9-dform-scalar instead of -mpower9-dform. Add note not to
1372 include -mpower9-dform-vector until we switch over to LRA.
1373 (POWERPC_MASKS): Add -mlra. Split -mpower9-dform into two.
1374 switches, -mpower9-dform-scalar and -mpower9-dform-vector.
1375 * config/rs6000/rs6000-protos.h (quad_address_p): Add declaration.
1376 * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
1377 for -mpower9-dform and -mlra.
1378 * doc/md.texi (wO constraint): Document wO constraint.
1380 2016-05-11 Alexander Monakov <amonakov@ispras.ru>
1382 * genattr.c (main): Change 'rtx' to 'rtx_insn *' in prototypes of
1383 'insn_latency', 'maximal_insn_latency', 'min_insn_conflict_delay'.
1384 * genautomata.c (output_internal_insn_code_evaluation): Simplify.
1385 Move handling of non-insn arguments inline into the sole user:
1386 (output_trans_func): ...here.
1387 (output_min_insn_conflict_delay_func): Change 'rtx' to 'rtx_insn *'
1388 in emitted function prototype.
1389 (output_internal_insn_latency_func): Ditto. Simplify.
1390 (output_internal_maximal_insn_latency_func): Ditto. Delete
1391 always-unused argument.
1392 (output_insn_latency_func): Ditto.
1393 (output_maximal_insn_latency_func): Ditto.
1395 2016-05-11 Richard Biener <rguenther@suse.de>
1397 PR tree-optimization/71055
1398 * tree-ssa-sccvn.c (vn_reference_lookup_3): When native-interpreting
1399 sth with precision not equal to access size verify we don't chop
1400 off bits.
1402 2016-05-11 Richard Biener <rguenther@suse.de>
1404 PR debug/71057
1405 * dwarf2out.c (retry_incomplete_types): Set early_dwarf.
1406 (dwarf2out_finish): Move retry_incomplete_types call ...
1407 (dwarf2out_early_finish): ... here.
1409 2016-05-11 Richard Biener <rguenther@suse.de>
1411 PR middle-end/71002
1412 * alias.c (reference_alias_ptr_type): Preserve alias-set zero
1413 if the langhook insists on it.
1414 * fold-const.c (make_bit_field_ref): Add arg for the original
1415 reference and preserve its alias-set.
1416 (decode_field_reference): Take exp by reference and adjust it
1417 to the original memory reference.
1418 (optimize_bit_field_compare): Adjust callers.
1419 (fold_truth_andor_1): Likewise.
1420 * gimplify.c (gimplify_expr): Adjust in-SSA form test.
1422 2016-05-11 Ilya Enkovich <ilya.enkovich@intel.com>
1424 PR middle-end/70807
1425 * cfgrtl.h (delete_insn_and_edges): Now return bool.
1426 * cfgrtl.c (delete_insn_and_edges): Likewise.
1427 * config/i386/i386.c (convert_scalars_to_vector): Remove
1428 redundant code.
1429 * cse.c (cse_insn): Compute cse_cfg_altered.
1430 (delete_trivially_dead_insns): Likewise.
1431 (cse_cc_succs): Likewise.
1432 (rest_of_handle_cse): Free dominance info if required.
1433 (rest_of_handle_cse2): Likewise.
1434 (rest_of_handle_cse_after_global_opts): Likewise.
1436 2016-05-11 Alan Modra <amodra@gmail.com>
1438 * config/rs6000/rs6000.c (is_complex_IBM_long_double,
1439 abi_v4_pass_in_fpr): New functions.
1440 (rs6000_function_arg_boundary): Exclude complex IBM long double
1441 from 64-bit alignment when ABI_V4.
1442 (rs6000_function_arg, rs6000_function_arg_advance_1,
1443 rs6000_gimplify_va_arg): Use abi_v4_pass_in_fpr.
1445 2016-05-10 Segher Boessenkool <segher@kernel.crashing.org>
1447 PR rtl-optimization/71028
1448 * cfgcleanup.c (try_optimize_cfg): Do not flip a conditional
1449 jump with just a return in the fallthrough block if the branch
1450 block contains just a return as well.
1452 2016-05-10 Marc Glisse <marc.glisse@inria.fr>
1454 * fold-const.c (fold_binary_loc) [(X ^ Y) & Y]: Remove and merge with...
1455 * match.pd ((X & Y) ^ Y): ... this.
1456 ((X & Y) & Y, (X | Y) | Y, (X ^ Y) ^ Y, (X & Y) & (X & Z), (X | Y)
1457 | (X | Z), (X ^ Y) ^ (X ^ Z)): New transformations.
1459 2016-05-10 David Malcolm <dmalcolm@redhat.com>
1461 * read-md.c (require_char_ws): New function.
1462 (read_string): Simplify using require_char_ws.
1463 (handle_constants): Likewise.
1464 (handle_enum): Likewise.
1465 (handle_file): Likewise.
1466 * read-md.h (require_char_ws): New declaration.
1467 * read-rtl.c (read_conditions): Simplify using require_char_ws.
1468 (read_mapping): Likewise.
1469 (read_rtx_code): Likewise.
1470 (read_nested_rtx): Likewise.
1472 2016-05-10 James Norris <jnorris@codesourcery.com>
1474 * config/rs6000/sysv4.h (CRTOFFLOADBEGIN): Define. Add crtoffloadbegin.o
1475 if offloading is enabled and -fopenacc or -fopenmp is specified.
1476 (CRTOFFLOADEND): Likewise.
1477 (STARTFILE_LINUX_SPEC): Add CRTOFFLOADBEGIN.
1478 (ENDFILE_LINUX_SPEC): Add CRTOFFLOADEND.
1480 2016-05-10 Uros Bizjak <ubizjak@gmail.com>
1482 * config/i386/i386.c (legitimize_pic_address): Merge 64-bit and 32-bit
1483 gotoff_operand code paths. Use copy_to_suggested_regs and
1484 expand_simple_binop where appropriate. Cleanup.
1486 2016-05-10 Ilya Enkovich <ilya.enkovich@intel.com>
1488 PR target/70799
1489 * config/i386/i386.c (dimode_scalar_to_vector_candidate_p): Allow
1490 integer constants.
1491 (dimode_scalar_chain::vector_const_cost): New.
1492 (dimode_scalar_chain::compute_convert_gain): Handle constants.
1493 (dimode_scalar_chain::convert_op): Likewise.
1494 (dimode_scalar_chain::convert_insn): Likewise.
1496 2016-05-10 Pierre-Marie de Rodat <derodat@adacore.com>
1498 * dwarf2out.c (resolve_args_picking_1): Consider DW_OP_neg as an
1499 unary operation, not a binary one.
1501 2016-05-10 Ilya Enkovich <ilya.enkovich@intel.com>
1503 PR middle-end/70877
1504 * tree-chkp.c (chkp_add_bounds_to_call_stmt): Handle
1505 calls with type casted fndecl.
1507 2016-05-10 Ilya Enkovich <ilya.enkovich@intel.com>
1509 PR tree-optimization/70786
1510 * tree-chkp.c (chkp_find_bounds_1): Support WITH_SIZE_EXPR.
1511 * gcc/calls.c (initialize_argument_information): Bind bounds
1512 with corresponding args passed by reference.
1514 2016-05-10 Jakub Jelinek <jakub@redhat.com>
1516 PR target/70927
1517 * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>),
1518 *<code><mode>3<mask_name>): For !TARGET_AVX512DQ and EVEX encoding,
1519 use vp*[dq] instead of v*p[sd] instructions and adjust mode attribute
1520 accordingly.
1522 2016-05-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1524 PR target/70963
1525 * config/rs6000/vsx.md (vsx_xvcvdpsxds_scale): Generate correct
1526 code for a zero scale factor.
1527 (vsx_xvcvdpuxds_scale): Likewise.
1529 2016-05-10 David Malcolm <dmalcolm@redhat.com>
1531 * diagnostic-show-locus.c (layout::layout): Call show_ruler
1532 if show_ruler_p was set on the context.
1533 (layout::show_ruler): New method.
1534 * diagnostic.h (struct diagnostic_context): Add field
1535 "show_ruler_p".
1537 2016-05-10 Richard Biener <rguenther@suse.de>
1539 PR tree-optimization/71039
1540 * tree-ssa-phiprop.c: Include tree-ssa-loop.h.
1541 (chk_uses): New function.
1542 (propagate_with_phi): Verify we can safely replicate the lhs of an
1543 aggregate assignment on all incoming edges.
1545 2016-05-10 Oleg Endo <olegendo@gcc.gnu.org>
1547 * config/rx/rx-protos.h (is_interrupt_func, is_fast_interrupt_func):
1548 Forward declare.
1549 (rx_atomic_sequence): New class.
1550 * config/rx/rx.c (rx_print_operand): Use symbolic names for PSW bits.
1551 (is_interrupt_func, is_fast_interrupt_func): Make non-static and
1552 non-inline.
1553 (rx_atomic_sequence::rx_atomic_sequence,
1554 rx_atomic_sequence::~rx_atomic_sequence): New functions.
1555 * config/rx/rx.md (CTRLREG_PSW, CTRLREG_USP, CTRLREG_FPSW, CTRLREG_CPEN,
1556 CTRLREG_BPSW, CTRLREG_BPC, CTRLREG_ISP, CTRLREG_FINTV,
1557 CTRLREG_INTB): New constants.
1558 (FETCHOP): New code iterator.
1559 (fethcop_name, fetchop_name2): New iterator code attributes.
1560 (QIHI): New mode iterator.
1561 (atomic_exchange<mode>, atomic_exchangesi, xchg_mem<mode>,
1562 atomic_fetch_<fetchop_name>si, atomic_fetch_nandsi,
1563 atomic_<fetchop_name>_fetchsi, atomic_nand_fetchsi): New patterns.
1565 2016-05-10 Martin Liska <mliska@suse.cz>
1567 * tree-inline.c (remap_dependence_clique): Do not remap
1568 debugging statements.
1570 2016-05-10 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1572 * config/s390/s390.md ("*vec_cmp<insn_cmp>df_cconly")
1573 ("*fixuns_truncdfdi2_z13")
1574 ("*fixuns_trunc<FP:mode><GPR:mode>2_z196")
1575 ("*fix_truncdfdi2_bfp_z13", "*floatunsdidf2_z13")
1576 ("*extendsfdf2_z13"): Replace TARGET_Z13 with TARGET_VX.
1578 2016-05-10 Richard Biener <rguenther@suse.de>
1580 PR tree-optimization/70497
1581 PR tree-optimization/28367
1582 * tree-ssa-sccvn.c (vn_nary_build_or_lookup): New function
1583 split out from ...
1584 (visit_reference_op_load): ... here.
1585 (vn_reference_lookup_3): Use it to handle subreg-like accesses
1586 with simplified BIT_FIELD_REFs.
1587 * tree-ssa-pre.c (eliminate_insert): Handle inserting BIT_FIELD_REFs.
1588 * tree-complex.c (extract_component): Handle BIT_FIELD_REFs
1589 correctly.
1591 2016-05-10 Pierre-Marie de Rodat <derodat@adacore.com>
1593 * dwarf2out.c (add_abstract_origin_attribute): Adjust
1594 documentation comment. For BLOCK nodes, add a
1595 DW_AT_abstract_origin attribute that points to the DIE generated
1596 for the origin BLOCK.
1597 (gen_lexical_block_die): Call add_abstract_origin_attribute for
1598 blocks from inlined functions.
1600 2016-05-10 Alan Modra <amodra@gmail.com>
1602 PR target/70947
1603 * config/rs6000/rs6000.c (rs6000_expand_split_stack_prologue): Stop
1604 regrename modifying insns saving lr before __morestack call.
1605 * config/rs6000/rs6000.md (split_stack_return): Similarly for
1606 insns restoring lr after __morestack call.
1608 2016-05-09 Jakub Jelinek <jakub@redhat.com>
1610 * config/i386/i386.md (set_got, set_got_labelled, lwp_llwpcb,
1611 lwp_lwpval<mode>3, lwp_lwpins<mode>3): Remove constraints from
1612 expanders.
1613 * config/i386/sse.md (vec_interleave_high<mode>,
1614 vec_interleave_low<mode>, <avx512>_vpermi2var<mode>3_maskz,
1615 <avx512>_vpermt2var<mode>3_maskz): Likewise.
1617 2016-05-04 Aaron Sawdey <acsawdey@linux.vnet.ibm.com>
1619 * config/rs6000/rs6000.c (rs6000_reassociation_width): Add
1620 function for TARGET_SCHED_REASSOCIATION_WIDTH to enable
1621 parallel reassociation for power8 and forward.
1623 2016-05-09 Uros Bizjak <ubizjak@gmail.com>
1625 * config/i386/i386.md (absneg splitters with general regs): Use
1626 general_reg_operand predicate.
1627 (btsq peephole2): Use x86_64_immediate_operand to check if new
1628 value is suitable for immediate operand. Generate emitted insn
1629 using RTL expressions.
1630 (btcq peephole2): Ditto.
1631 (btrq peephole2): Ditto. Generate correct immediate operand
1632 for AND masking.
1634 2016-05-09 Richard Sandiford <richard.sandiford@arm.com>
1636 * cfgexpand.c (expand_debug_expr): Fix address offset for negative
1637 bitpos.
1639 2016-05-09 Richard Sandiford <richard.sandiford@arm.com>
1641 * tree-affine.c (wide_int_constant_multiple_p): Add missing
1642 pointer dereference.
1644 2016-05-09 Richard Biener <rguenther@suse.de>
1646 PR tree-optimization/70985
1647 * match.pd (BIT_FIELD_REF -> (type)): Disable on GIMPLE when
1648 op0 isn't a gimple register.
1650 2016-05-09 Prachi Godbole <prachi.godbole@imgtec.com>
1652 * config/mips/i6400.md (i6400_fpu_intadd, i6400_fpu_logic)
1653 (i6400_fpu_div, i6400_fpu_cmp, i6400_fpu_float, i6400_fpu_store)
1654 (i6400_fpu_long_pipe, i6400_fpu_logic_l, i6400_fpu_float_l)
1655 (i6400_fpu_mult): New cpu units.
1656 (i6400_msa_add_d, i6400_msa_int_add, i6400_msa_short_logic3)
1657 (i6400_msa_short_logic2, i6400_msa_short_logic, i6400_msa_move)
1658 (i6400_msa_cmp, i6400_msa_short_float2, i6400_msa_div_d)
1659 (i6400_msa_div_w, i6400_msa_div_h, i6400_msa_div_b)
1660 (i6400_msa_copy, i6400_msa_branch, i6400_fpu_msa_store)
1661 (i6400_fpu_msa_load, i6400_fpu_msa_move, i6400_msa_long_logic1)
1662 (i6400_msa_long_logic2, i6400_msa_mult, i6400_msa_long_float2)
1663 (i6400_msa_long_float4, i6400_msa_long_float5)
1664 (i6400_msa_long_float8, i6400_msa_fdiv_df)
1665 (i6400_msa_fdiv_sf): New reservations.
1666 * config/mips/p5600.md (p5600_fpu_intadd, p5600_fpu_cmp)
1667 (p5600_fpu_float, p5600_fpu_logic_a, p5600_fpu_logic_b)
1668 (p5600_fpu_div, p5600_fpu_logic, p5600_fpu_float_a)
1669 (p5600_fpu_float_b, p5600_fpu_float_c, p5600_fpu_float_d)
1670 (p5600_fpu_mult, p5600_fpu_fdiv, p5600_fpu_load): New cpu units.
1671 (msa_short_int_add, msa_short_logic, msa_short_logic_move_v)
1672 (msa_short_cmp, msa_short_float2, msa_short_logic3)
1673 (msa_short_store4, msa_long_load, msa_short_store)
1674 (msa_long_logic, msa_long_float2, msa_long_float4)
1675 (msa_long_float5, msa_long_float8, msa_long_mult)
1676 (msa_long_fdiv, msa_long_div): New reservations.
1678 2016-05-09 Robert Suchanek <robert.suchanek@imgtec.com>
1679 Sameera Deshpande <sameera.deshpande@imgtec.com>
1680 Matthew Fortune <matthew.fortune@imgtec.com>
1681 Graham Stott <graham.stott@imgtec.com>
1682 Chao-ying Fu <chao-ying.fu@imgtec.com>
1684 * config.gcc: Add MSA header file for mips*-*-* target.
1685 * config/mips/constraints.md (YI, YC, YZ, Unv5, Uuv5, Usv5, Uuv6)
1686 (Ubv8i, Urv8): New constraints.
1687 * config/mips/mips-ftypes.def: Add function types for MSA
1688 builtins.
1689 * config/mips/mips-modes.def (V16QI, V8HI, V4SI, V2DI, V4SF)
1690 (V2DF, V32QI, V16HI, V8SI, V4DI, V8SF, V4DF): New modes.
1691 * config/mips/mips-msa.md: New file.
1692 * config/mips/mips-protos.h
1693 (mips_split_128bit_const_insns): New prototype.
1694 (mips_msa_idiv_insns): Likewise.
1695 (mips_split_128bit_move): Likewise.
1696 (mips_split_128bit_move_p): Likewise.
1697 (mips_split_msa_copy_d): Likewise.
1698 (mips_split_msa_insert_d): Likewise.
1699 (mips_split_msa_fill_d): Likewise.
1700 (mips_expand_msa_branch): Likewise.
1701 (mips_const_vector_same_val_p): Likewise.
1702 (mips_const_vector_same_bytes_p): Likewise.
1703 (mips_const_vector_same_int_p): Likewise.
1704 (mips_const_vector_shuffle_set_p): Likewise.
1705 (mips_const_vector_bitimm_set_p): Likewise.
1706 (mips_const_vector_bitimm_clr_p): Likewise.
1707 (mips_msa_vec_parallel_const_half): Likewise.
1708 (mips_msa_output_division): Likewise.
1709 (mips_ldst_scaled_shift): Likewise.
1710 (mips_expand_vec_cond_expr): Likewise.
1711 * config/mips/mips.c (enum mips_builtin_type): Add
1712 MIPS_BUILTIN_MSA_TEST_BRANCH.
1713 (mips_gen_const_int_vector_shuffle): New prototype.
1714 (mips_const_vector_bitimm_set_p): New function.
1715 (mips_const_vector_bitimm_clr_p): Likewise.
1716 (mips_const_vector_same_val_p): Likewise.
1717 (mips_const_vector_same_bytes_p): Likewise.
1718 (mips_const_vector_same_int_p): Likewise.
1719 (mips_const_vector_shuffle_set_p): Likewise.
1720 (mips_symbol_insns): Forbid loading symbols via immediate for
1721 MSA.
1722 (mips_valid_offset_p): Limit offset to 10-bit for MSA loads and
1723 stores.
1724 (mips_valid_lo_sum_p): Forbid loadings symbols via %lo(base) for
1725 MSA.
1726 (mips_lx_address_p): Add support load indexed address for MSA.
1727 (mips_address_insns): Add calculation of instructions needed for
1728 stores and loads for MSA.
1729 (mips_const_insns): Move CONST_DOUBLE below CONST_VECTOR. Handle
1730 CONST_VECTOR for MSA and let it fall through.
1731 (mips_ldst_scaled_shift): New function.
1732 (mips_subword_at_byte): Likewise.
1733 (mips_msa_idiv_insns): Likewise.
1734 (mips_legitimize_move): Validate MSA moves.
1735 (mips_rtx_costs): Add UNGE, UNGT, UNLE, UNLT cases. Add
1736 calculation of costs for MSA division.
1737 (mips_split_move_p): Check if MSA moves need splitting.
1738 (mips_split_move): Split MSA moves if necessary.
1739 (mips_split_128bit_move_p): New function.
1740 (mips_split_128bit_move): Likewise.
1741 (mips_split_msa_copy_d): Likewise.
1742 (mips_split_msa_insert_d): Likewise.
1743 (mips_split_msa_fill_d): Likewise.
1744 (mips_output_move): Handle MSA moves.
1745 (mips_expand_msa_branch): New function.
1746 (mips_print_operand): Add 'E', 'B', 'w', 'v' and 'V' modifiers.
1747 Reinstate 'y' modifier.
1748 (mips_file_start): Add MSA .gnu_attribute.
1749 (mips_hard_regno_mode_ok_p): Allow TImode and 128-bit vectors in
1750 FPRs.
1751 (mips_hard_regno_nregs): Always return 1 for MSA supported mode.
1752 (mips_class_max_nregs): Add register size for MSA supported mode.
1753 (mips_cannot_change_mode_class): Allow conversion between MSA
1754 vector modes and TImode.
1755 (mips_mode_ok_for_mov_fmt_p): Allow MSA to use move.v
1756 instruction.
1757 (mips_secondary_reload_class): Force MSA loads/stores via memory.
1758 (mips_preferred_simd_mode): Add preffered modes for MSA.
1759 (mips_vector_mode_supported_p): Add MSA supported modes.
1760 (mips_autovectorize_vector_sizes): New function.
1761 (mips_msa_output_division): Likewise.
1762 (MSA_BUILTIN, MIPS_BUILTIN_DIRECT_NO_TARGET)
1763 (MSA_NO_TARGET_BUILTIN, MSA_BUILTIN_TEST_BRANCH): New macros.
1764 (CODE_FOR_msa_adds_s_b, CODE_FOR_msa_adds_s_h)
1765 (CODE_FOR_msa_adds_s_w, CODE_FOR_msa_adds_s_d)
1766 (CODE_FOR_msa_adds_u_b, CODE_FOR_msa_adds_u_h)
1767 (CODE_FOR_msa_adds_u_w, CODE_FOR_msa_adds_u_du
1768 (CODE_FOR_msa_addv_b, CODE_FOR_msa_addv_h, CODE_FOR_msa_addv_w)
1769 (CODE_FOR_msa_addv_d, CODE_FOR_msa_and_v, CODE_FOR_msa_bmnz_v)
1770 (CODE_FOR_msa_bmnzi_b, CODE_FOR_msa_bmz_v, CODE_FOR_msa_bmzi_b)
1771 (CODE_FOR_msa_bnz_v, CODE_FOR_msa_bz_v, CODE_FOR_msa_bsel_v)
1772 (CODE_FOR_msa_bseli_b, CODE_FOR_msa_ceqi_h, CODE_FOR_msa_ceqi_w)
1773 (CODE_FOR_msa_ceqi_d, CODE_FOR_msa_clti_s_b)
1774 (CODE_FOR_msa_clti_s_h, CODE_FOR_msa_clti_s_w)
1775 (CODE_FOR_msa_clti_s_d, CODE_FOR_msa_clti_u_b)
1776 (CODE_FOR_msa_clti_u_h, CODE_FOR_msa_clti_u_w)
1777 (CODE_FOR_msa_clti_u_d, CODE_FOR_msa_clei_s_b)
1778 (CODE_FOR_msa_clei_s_h, CODE_FOR_msa_clei_s_w)
1779 (CODE_FOR_msa_clei_s_d, CODE_FOR_msa_clei_u_b)
1780 (CODE_FOR_msa_clei_u_h, CODE_FOR_msa_clei_u_w)
1781 (CODE_FOR_msa_clei_u_d, CODE_FOR_msa_div_s_b)
1782 (CODE_FOR_msa_div_s_h, CODE_FOR_msa_div_s_w)
1783 (CODE_FOR_msa_div_s_d, CODE_FOR_msa_div_u_b)
1784 (CODE_FOR_msa_div_u_h, CODE_FOR_msa_div_u_w)
1785 (CODE_FOR_msa_div_u_d, CODE_FOR_msa_fadd_w, CODE_FOR_msa_fadd_d)
1786 (CODE_FOR_msa_fexdo_w, CODE_FOR_msa_ftrunc_s_w)
1787 (CODE_FOR_msa_ftrunc_s_d, CODE_FOR_msa_ftrunc_u_w)
1788 (CODE_FOR_msa_ftrunc_u_d, CODE_FOR_msa_ffint_s_w)
1789 (CODE_FOR_msa_ffint_s_d, CODE_FOR_msa_ffint_u_w)
1790 (CODE_FOR_msa_ffint_u_d, CODE_FOR_msa_fsub_w)
1791 (CODE_FOR_msa_fsub_d, CODE_FOR_msa_fmsub_d, CODE_FOR_msa_fmadd_w)
1792 (CODE_FOR_msa_fmadd_d, CODE_FOR_msa_fmsub_w, CODE_FOR_msa_fmul_w)
1793 (CODE_FOR_msa_fmul_d, CODE_FOR_msa_fdiv_w, CODE_FOR_msa_fdiv_d)
1794 (CODE_FOR_msa_fmax_w, CODE_FOR_msa_fmax_d, CODE_FOR_msa_fmax_a_w)
1795 (CODE_FOR_msa_fmax_a_d, CODE_FOR_msa_fmin_w, CODE_FOR_msa_fmin_d)
1796 (CODE_FOR_msa_fmin_a_w, CODE_FOR_msa_fmin_a_d)
1797 (CODE_FOR_msa_fsqrt_w, CODE_FOR_msa_fsqrt_d)
1798 (CODE_FOR_msa_max_s_b, CODE_FOR_msa_max_s_h)
1799 (CODE_FOR_msa_max_s_w, CODE_FOR_msa_max_s_d)
1800 (CODE_FOR_msa_max_u_b, CODE_FOR_msa_max_u_h)
1801 (CODE_FOR_msa_max_u_w, CODE_FOR_msa_max_u_d)
1802 (CODE_FOR_msa_min_s_b, CODE_FOR_msa_min_s_h)
1803 (CODE_FOR_msa_min_s_w, CODE_FOR_msa_min_s_d)
1804 (CODE_FOR_msa_min_u_b, CODE_FOR_msa_min_u_h)
1805 (CODE_FOR_msa_min_u_w, CODE_FOR_msa_min_u_d)
1806 (CODE_FOR_msa_mod_s_b, CODE_FOR_msa_mod_s_h)
1807 (CODE_FOR_msa_mod_s_w, CODE_FOR_msa_mod_s_d)
1808 (CODE_FOR_msa_mod_u_b, CODE_FOR_msa_mod_u_h)
1809 (CODE_FOR_msa_mod_u_w, CODE_FOR_msa_mod_u_d)
1810 (CODE_FOR_msa_mod_s_b, CODE_FOR_msa_mod_s_h)
1811 (CODE_FOR_msa_mod_s_w, CODE_FOR_msa_mod_s_d)
1812 (CODE_FOR_msa_mod_u_b, CODE_FOR_msa_mod_u_h)
1813 (CODE_FOR_msa_mod_u_w, CODE_FOR_msa_mod_u_d)
1814 (CODE_FOR_msa_mulv_b, CODE_FOR_msa_mulv_h, CODE_FOR_msa_mulv_w)
1815 (CODE_FOR_msa_mulv_d, CODE_FOR_msa_nlzc_b, CODE_FOR_msa_nlzc_h)
1816 (CODE_FOR_msa_nlzc_w, CODE_FOR_msa_nlzc_d, CODE_FOR_msa_nor_v)
1817 (CODE_FOR_msa_or_v, CODE_FOR_msa_ori_b, CODE_FOR_msa_nori_b)
1818 (CODE_FOR_msa_pcnt_b, CODE_FOR_msa_pcnt_h, CODE_FOR_msa_pcnt_w)
1819 (CODE_FOR_msa_pcnt_d, CODE_FOR_msa_xor_v, CODE_FOR_msa_xori_b)
1820 (CODE_FOR_msa_sll_b, CODE_FOR_msa_sll_h, CODE_FOR_msa_sll_w)
1821 (CODE_FOR_msa_sll_d, CODE_FOR_msa_slli_b, CODE_FOR_msa_slli_h)
1822 (CODE_FOR_msa_slli_w, CODE_FOR_msa_slli_d, CODE_FOR_msa_sra_b)
1823 (CODE_FOR_msa_sra_h, CODE_FOR_msa_sra_w, CODE_FOR_msa_sra_d)
1824 (CODE_FOR_msa_srai_b, CODE_FOR_msa_srai_h, CODE_FOR_msa_srai_w)
1825 (CODE_FOR_msa_srai_d, CODE_FOR_msa_srl_b, CODE_FOR_msa_srl_h)
1826 (CODE_FOR_msa_srl_w, CODE_FOR_msa_srl_d, CODE_FOR_msa_srli_b)
1827 (CODE_FOR_msa_srli_h, CODE_FOR_msa_srli_w, CODE_FOR_msa_srli_d)
1828 (CODE_FOR_msa_subv_b, CODE_FOR_msa_subv_h, CODE_FOR_msa_subv_w)
1829 (CODE_FOR_msa_subv_d, CODE_FOR_msa_subvi_b, CODE_FOR_msa_subvi_h)
1830 (CODE_FOR_msa_subvi_w, CODE_FOR_msa_subvi_d, CODE_FOR_msa_move_v)
1831 (CODE_FOR_msa_vshf_b, CODE_FOR_msa_vshf_h, CODE_FOR_msa_vshf_w)
1832 (CODE_FOR_msa_vshf_d, CODE_FOR_msa_ilvod_d, CODE_FOR_msa_ilvev_d)
1833 (CODE_FOR_msa_pckod_d, CODE_FOR_msa_pckdev_d, CODE_FOR_msa_ldi_b)
1834 (CODE_FOR_msa_ldi_hi, CODE_FOR_msa_ldi_w)
1835 (CODE_FOR_msa_ldi_d): New code_aliasing macros.
1836 (mips_builtins): Add MSA sll_b, sll_h, sll_w, sll_d, slli_b,
1837 slli_h, slli_w, slli_d, sra_b, sra_h, sra_w, sra_d, srai_b,
1838 srai_h, srai_w, srai_d, srar_b, srar_h, srar_w, srar_d, srari_b,
1839 srari_h, srari_w, srari_d, srl_b, srl_h, srl_w, srl_d, srli_b,
1840 srli_h, srli_w, srli_d, srlr_b, srlr_h, srlr_w, srlr_d, srlri_b,
1841 srlri_h, srlri_w, srlri_d, bclr_b, bclr_h, bclr_w, bclr_d,
1842 bclri_b, bclri_h, bclri_w, bclri_d, bset_b, bset_h, bset_w,
1843 bset_d, bseti_b, bseti_h, bseti_w, bseti_d, bneg_b, bneg_h,
1844 bneg_w, bneg_d, bnegi_b, bnegi_h, bnegi_w, bnegi_d, binsl_b,
1845 binsl_h, binsl_w, binsl_d, binsli_b, binsli_h, binsli_w,
1846 binsli_d, binsr_b, binsr_h, binsr_w, binsr_d, binsri_b, binsri_h,
1847 binsri_w, binsri_d, addv_b, addv_h, addv_w, addv_d, addvi_b,
1848 addvi_h, addvi_w, addvi_d, subv_b, subv_h, subv_w, subv_d,
1849 subvi_b, subvi_h, subvi_w, subvi_d, max_s_b, max_s_h, max_s_w,
1850 max_s_d, maxi_s_b, maxi_s_h, maxi_s_w, maxi_s_d, max_u_b,
1851 max_u_h, max_u_w, max_u_d, maxi_u_b, maxi_u_h, maxi_u_w,
1852 maxi_u_d, min_s_b, min_s_h, min_s_w, min_s_d, mini_s_b, mini_s_h,
1853 mini_s_w, mini_s_d, min_u_b, min_u_h, min_u_w, min_u_d, mini_u_b,
1854 mini_u_h, mini_u_w, mini_u_d, max_a_b, max_a_h, max_a_w, max_a_d,
1855 min_a_b, min_a_h, min_a_w, min_a_d, ceq_b, ceq_h, ceq_w, ceq_d,
1856 ceqi_b, ceqi_h, ceqi_w, ceqi_d, clt_s_b, clt_s_h, clt_s_w,
1857 clt_s_d, clti_s_b, clti_s_h, clti_s_w, clti_s_d, clt_u_b,
1858 clt_u_h, clt_u_w, clt_u_d, clti_u_b, clti_u_h, clti_u_w,
1859 clti_u_d, cle_s_b, cle_s_h, cle_s_w, cle_s_d, clei_s_b, clei_s_h,
1860 clei_s_w, clei_s_d, cle_u_b, cle_u_h, cle_u_w, cle_u_d, clei_u_b,
1861 clei_u_h, clei_u_w, clei_u_d, ld_b, ld_h, ld_w, ld_d, st_b, st_h,
1862 st_w, st_d, sat_s_b, sat_s_h, sat_s_w, sat_s_d, sat_u_b, sat_u_h,
1863 sat_u_w, sat_u_d, add_a_b, add_a_h, add_a_w, add_a_d, adds_a_b,
1864 adds_a_h, adds_a_w, adds_a_d, adds_s_b, adds_s_h, adds_s_w,
1865 adds_s_d, adds_u_b, adds_u_h, adds_u_w, adds_u_d, ave_s_b,
1866 ave_s_h, ave_s_w, ave_s_d, ave_u_b, ave_u_h, ave_u_w, ave_u_d,
1867 aver_s_b, aver_s_h, aver_s_w, aver_s_d, aver_u_b, aver_u_h,
1868 aver_u_w, aver_u_d, subs_s_b, subs_s_h, subs_s_w, subs_s_d,
1869 subs_u_b, subs_u_h, subs_u_w, subs_u_d, subsuu_s_b, subsuu_s_h,
1870 subsuu_s_w, subsuu_s_d, subsus_u_b, subsus_u_h, subsus_u_w,
1871 subsus_u_d, asub_s_b, asub_s_h, asub_s_w, asub_s_d, asub_u_b,
1872 asub_u_h, asub_u_w, asub_u_d, mulv_b, mulv_h, mulv_w, mulv_d,
1873 maddv_b, maddv_h, maddv_w, maddv_d, msubv_b, msubv_h, msubv_w,
1874 msubv_d, div_s_b, div_s_h, div_s_w, div_s_d, div_u_b, div_u_h,
1875 div_u_w, div_u_d, hadd_s_h, hadd_s_w, hadd_s_d, hadd_u_h,
1876 hadd_u_w, hadd_u_d, hsub_s_h, hsub_s_w, hsub_s_d, hsub_u_h,
1877 hsub_u_w, hsub_u_d, mod_s_b, mod_s_h, mod_s_w, mod_s_d, mod_u_b,
1878 mod_u_h, mod_u_w, mod_u_d, dotp_s_h, dotp_s_w, dotp_s_d,
1879 dotp_u_h, dotp_u_w, dotp_u_d, dpadd_s_h, dpadd_s_w, dpadd_s_d,
1880 dpadd_u_h, dpadd_u_w, dpadd_u_d, dpsub_s_h, dpsub_s_w, dpsub_s_d,
1881 dpsub_u_h, dpsub_u_w, dpsub_u_d, sld_b, sld_h, sld_w, sld_d,
1882 sldi_b, sldi_h, sldi_w, sldi_d, splat_b, splat_h, splat_w,
1883 splat_d, splati_b, splati_h, splati_w, splati_d, pckev_b,
1884 pckev_h, pckev_w, pckev_d, pckod_b, pckod_h, pckod_w, pckod_d,
1885 ilvl_b, ilvl_h, ilvl_w, ilvl_d, ilvr_b, ilvr_h, ilvr_w, ilvr_d,
1886 ilvev_b, ilvev_h, ilvev_w, ilvev_d, ilvod_b, ilvod_h, ilvod_w,
1887 ilvod_d, vshf_b, vshf_h, vshf_w, vshf_d, and_v, andi_b, or_v,
1888 ori_b, nor_v, nori_b, xor_v, xori_b, bmnz_v, bmnzi_b, bmz_v,
1889 bmzi_b, bsel_v, bseli_b, shf_b, shf_h, shf_w, bnz_v, bz_v,
1890 fill_b, fill_h, fill_w, fill_d, pcnt_b, pcnt_h, pcnt_w,
1891 pcnt_d, nloc_b, nloc_h, nloc_w, nloc_d, nlzc_b, nlzc_h, nlzc_w,
1892 nlzc_d, copy_s_b, copy_s_h, copy_s_w, copy_s_d, copy_u_b,
1893 copy_u_h, copy_u_w, copy_u_d, insert_b, insert_h, insert_w,
1894 insert_d, insve_b, insve_h, insve_w, insve_d, bnz_b, bnz_h,
1895 bnz_w, bnz_d, bz_b, bz_h, bz_w, bz_d, ldi_b, ldi_h, ldi_w, ldi_d,
1896 fcaf_w, fcaf_d, fcor_w, fcor_d, fcun_w, fcun_d, fcune_w, fcune_d,
1897 fcueq_w, fcueq_d, fceq_w, fceq_d, fcne_w, fcne_d, fclt_w, fclt_d,
1898 fcult_w, fcult_d, fcle_w, fcle_d, fcule_w, fcule_d, fsaf_w,
1899 fsaf_d, fsor_w, fsor_d, fsun_w, fsun_d, fsune_w, fsune_d,
1900 fsueq_w, fsueq_d, fseq_w, fseq_d, fsne_w, fsne_d, fslt_w,
1901 fslt_d, fsult_w, fsult_d, fsle_w, fsle_d, fsule_w, fsule_d,
1902 fadd_w, fadd_d, fsub_w, fsub_d, fmul_w, fmul_d, fdiv_w, fdiv_d,
1903 fmadd_w, fmadd_d, fmsub_w, fmsub_d, fexp2_w, fexp2_d, fexdo_h,
1904 fexdo_w, ftq_h, ftq_w, fmin_w, fmin_d, fmin_a_w, fmin_a_d,
1905 fmax_w, fmax_d, fmax_a_w, fmax_a_d, mul_q_h, mul_q_w, mulr_q_h,
1906 mulr_q_w, madd_q_h, madd_q_w, maddr_q_h, maddr_q_w, msub_q_h,
1907 msub_q_w, msubr_q_h, msubr_q_w, fclass_w, fclass_d, fsqrt_w,
1908 fsqrt_d, frcp_w, frcp_d, frint_w, frint_d, frsqrt_w, frsqrt_d,
1909 flog2_w, flog2_d, fexupl_w, fexupl_d, fexupr_w, fexupr_d, ffql_w,
1910 ffql_d, ffqr_w, ffqr_d, ftint_s_w, ftint_s_d, ftint_u_w,
1911 ftint_u_d, ftrunc_s_w, ftrunc_s_d, ftrunc_u_w, ftrunc_u_d,
1912 ffint_s_w, ffint_s_d, ffint_u_w, ffint_u_d, ctcmsa, cfcmsa,
1913 move_v builtins.
1914 (mips_get_builtin_decl_index): New array.
1915 (MIPS_ATYPE_QI, MIPS_ATYPE_HI, MIPS_ATYPE_V2DI, MIPS_ATYPE_V4SI)
1916 (MIPS_ATYPE_V8HI, MIPS_ATYPE_V16QI, MIPS_ATYPE_V2DF)
1917 (MIPS_ATYPE_V4SF, MIPS_ATYPE_UV2DI, MIPS_ATYPE_UV4SI)
1918 (MIPS_ATYPE_UV8HI, MIPS_ATYPE_UV16QI): New.
1919 (mips_init_builtins): Initialize mips_get_builtin_decl_index
1920 array.
1921 (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define target
1922 hook.
1923 (mips_expand_builtin_insn): Prepare operands for
1924 CODE_FOR_msa_addvi_b, CODE_FOR_msa_addvi_h, CODE_FOR_msa_addvi_w,
1925 CODE_FOR_msa_addvi_d, CODE_FOR_msa_clti_u_b,
1926 CODE_FOR_msa_clti_u_h, CODE_FOR_msa_clti_u_w,
1927 CODE_FOR_msa_clti_u_d, CODE_FOR_msa_clei_u_b,
1928 CODE_FOR_msa_clei_u_h, CODE_FOR_msa_clei_u_w,
1929 CODE_FOR_msa_clei_u_d, CODE_FOR_msa_maxi_u_b,
1930 CODE_FOR_msa_maxi_u_h, CODE_FOR_msa_maxi_u_w,
1931 CODE_FOR_msa_maxi_u_d, CODE_FOR_msa_mini_u_b,
1932 CODE_FOR_msa_mini_u_h, CODE_FOR_msa_mini_u_w,
1933 CODE_FOR_msa_mini_u_d, CODE_FOR_msa_subvi_b,
1934 CODE_FOR_msa_subvi_h, CODE_FOR_msa_subvi_w, CODE_FOR_msa_subvi_d,
1935 CODE_FOR_msa_ceqi_b, CODE_FOR_msa_ceqi_h, CODE_FOR_msa_ceqi_w,
1936 CODE_FOR_msa_ceqi_d, CODE_FOR_msa_clti_s_b,
1937 CODE_FOR_msa_clti_s_h, CODE_FOR_msa_clti_s_w,
1938 CODE_FOR_msa_clti_s_d, CODE_FOR_msa_clei_s_b,
1939 CODE_FOR_msa_clei_s_h, CODE_FOR_msa_clei_s_w,
1940 CODE_FOR_msa_clei_s_d, CODE_FOR_msa_maxi_s_b,
1941 CODE_FOR_msa_maxi_s_h, CODE_FOR_msa_maxi_s_w,
1942 CODE_FOR_msa_maxi_s_d, CODE_FOR_msa_mini_s_b,
1943 CODE_FOR_msa_mini_s_h, CODE_FOR_msa_mini_s_w,
1944 CODE_FOR_msa_mini_s_d, CODE_FOR_msa_andi_b, CODE_FOR_msa_ori_b,
1945 CODE_FOR_msa_nori_b, CODE_FOR_msa_xori_b, CODE_FOR_msa_bmzi_b,
1946 CODE_FOR_msa_bmnzi_b, CODE_FOR_msa_bseli_b, CODE_FOR_msa_fill_b,
1947 CODE_FOR_msa_fill_h, CODE_FOR_msa_fill_w, CODE_FOR_msa_fill_d,
1948 CODE_FOR_msa_ilvl_b, CODE_FOR_msa_ilvl_h, CODE_FOR_msa_ilvl_w,
1949 CODE_FOR_msa_ilvl_d, CODE_FOR_msa_ilvr_b, CODE_FOR_msa_ilvr_h,
1950 CODE_FOR_msa_ilvr_w, CODE_FOR_msa_ilvr_d, CODE_FOR_msa_ilvev_b,
1951 CODE_FOR_msa_ilvev_h, CODE_FOR_msa_ilvev_w, CODE_FOR_msa_ilvod_b,
1952 CODE_FOR_msa_ilvod_h, CODE_FOR_msa_ilvod_w, CODE_FOR_msa_pckev_b,
1953 CODE_FOR_msa_pckev_h, CODE_FOR_msa_pckev_w, CODE_FOR_msa_pckod_b,
1954 CODE_FOR_msa_pckod_h, CODE_FOR_msa_pckod_w, CODE_FOR_msa_slli_b,
1955 CODE_FOR_msa_slli_h, CODE_FOR_msa_slli_w, CODE_FOR_msa_slli_d,
1956 CODE_FOR_msa_srai_b, CODE_FOR_msa_srai_h, CODE_FOR_msa_srai_w,
1957 CODE_FOR_msa_srai_d, CODE_FOR_msa_srli_b, CODE_FOR_msa_srli_h,
1958 CODE_FOR_msa_srli_w, CODE_FOR_msa_srli_d, CODE_FOR_msa_insert_b,
1959 CODE_FOR_msa_insert_h, CODE_FOR_msa_insert_w,
1960 CODE_FOR_msa_insert_d, CODE_FOR_msa_insve_b,
1961 CODE_FOR_msa_insve_h, CODE_FOR_msa_insve_w, CODE_FOR_msa_insve_d,
1962 CODE_FOR_msa_shf_b, CODE_FOR_msa_shf_h, CODE_FOR_msa_shf_w,
1963 CODE_FOR_msa_shf_w_f, CODE_FOR_msa_vshf_b, CODE_FOR_msa_vshf_h,
1964 CODE_FOR_msa_vshf_w, CODE_FOR_msa_vshf_d.
1965 (mips_expand_builtin): Add case for MIPS_BULTIN_MSA_TEST_BRANCH.
1966 (mips_set_compression_mode): Disallow MSA with MIPS16 code.
1967 (mips_option_override): -mmsa requires -mfp64 and -mhard-float.
1968 These are set implicitly and an error is reported if overridden.
1969 (mips_expand_builtin_msa_test_branch): New function.
1970 (mips_expand_msa_shuffle): Likewise.
1971 (MAX_VECT_LEN): Increase maximum length of a vector to 16 bytes.
1972 (TARGET_SCHED_REASSOCIATION_WIDTH): Define target hook.
1973 (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Likewise.
1974 (mips_expand_vec_unpack): Add support for MSA.
1975 (mips_expand_vector_init): Likewise.
1976 (mips_expand_vi_constant): Use CONST0_RTX (element_mode)
1977 instead of const0_rtx.
1978 (mips_msa_vec_parallel_const_half): New function.
1979 (mips_gen_const_int_vector): Likewise.
1980 (mips_gen_const_int_vector_shuffle): Likewise.
1981 (mips_expand_msa_cmp): Likewise.
1982 (mips_expand_vec_cond_expr): Likewise.
1983 * config/mips/mips.h
1984 (TARGET_CPU_CPP_BUILTINS): Add __mips_msa and __mips_msa_width.
1985 (OPTION_DEFAULT_SPECS): Ignore --with-fp-32 if -mmsa is
1986 specified.
1987 (ASM_SPEC): Pass mmsa and mno-msa to the assembler.
1988 (ISA_HAS_MSA): New macro.
1989 (UNITS_PER_MSA_REG): Likewise.
1990 (BITS_PER_MSA_REG): Likewise.
1991 (BIGGEST_ALIGNMENT): Redefine using ISA_HAS_MSA.
1992 (MSA_REG_FIRST): New macro.
1993 (MSA_REG_LAST): Likewise.
1994 (MSA_REG_NUM): Likewise.
1995 (MSA_REG_P): Likewise.
1996 (MSA_REG_RTX_P): Likewise.
1997 (MSA_SUPPORTED_MODE_P): Likewise.
1998 (HARD_REGNO_CALL_PART_CLOBBERED): Redefine using TARGET_MSA.
1999 (ADDITIONAL_REGISTER_NAMES): Add named registers $w0-$w31.
2000 * config/mips/mips.md: Include mips-msa.md.
2001 (alu_type): Add simd_add.
2002 (mode): Add V2DI, V4SI, V8HI, V16QI, V2DF, V4SF.
2003 (type): Add simd_div, simd_fclass, simd_flog2, simd_fadd,
2004 simd_fcvt, simd_fmul, simd_fmadd, simd_fdiv, simd_bitins,
2005 simd_bitmov, simd_insert, simd_sld, simd_mul, simd_fcmp,
2006 simd_fexp2, simd_int_arith, simd_bit, simd_shift, simd_splat,
2007 simd_fill, simd_permute, simd_shf, simd_sat, simd_pcnt,
2008 simd_copy, simd_branch, simd_cmsa, simd_fminmax, simd_logic,
2009 simd_move, simd_load, simd_store. Choose "multi" for moves
2010 for "qword_mode".
2011 (qword_mode): New attribute.
2012 (insn_count): Add instruction count for quad moves.
2013 Increase the count for MIPS SIMD division.
2014 (UNITMODE): Add UNITMODEs for vector types.
2015 (addsub): New code iterator.
2016 * config/mips/mips.opt (mmsa): New option.
2017 * config/mips/msa.h: New file.
2018 * config/mips/mti-elf.h: Don't infer -mfpxx if -mmsa is
2019 specified.
2020 * config/mips/mti-linux.h: Likewise.
2021 * config/mips/predicates.md
2022 (const_msa_branch_operand): New constraint.
2023 (const_uimm3_operand): Likewise.
2024 (const_uimm4_operand): Likewise.
2025 (const_uimm5_operand): Likewise.
2026 (const_uimm8_operand): Likewise.
2027 (const_imm5_operand): Likewise.
2028 (aq10b_operand): Likewise.
2029 (aq10h_operand): Likewise.
2030 (aq10w_operand): Likewise.
2031 (aq10d_operand): Likewise.
2032 (const_m1_operand): Likewise.
2033 (reg_or_m1_operand): Likewise.
2034 (const_exp_2_operand): Likewise.
2035 (const_exp_4_operand): Likewise.
2036 (const_exp_8_operand): Likewise.
2037 (const_exp_16_operand): Likewise.
2038 (const_vector_same_val_operand): Likewise.
2039 (const_vector_same_simm5_operand): Likewise.
2040 (const_vector_same_uimm5_operand): Likewise.
2041 (const_vector_same_uimm6_operand): Likewise.
2042 (const_vector_same_uimm8_operand): Likewise.
2043 (par_const_vector_shf_set_operand): Likewise.
2044 (reg_or_vector_same_val_operand): Likewise.
2045 (reg_or_vector_same_simm5_operand): Likewise.
2046 (reg_or_vector_same_uimm6_operand): Likewise.
2047 * doc/extend.texi (MIPS SIMD Architecture Functions): New
2048 section.
2049 * doc/invoke.texi (-mmsa): Document new option.
2051 2016-05-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2053 * configure.ac (enable_vtable_verify): Handle --enable-vtable-verify.
2054 * configure: Regenerate.
2055 * config.in: Regenerate.
2056 * gcc.c (VTABLE_VERIFICATION_SPEC) [!ENABLE_VTABLE_VERIFY]: Error
2057 on -fvtable-verify.
2058 * config/sol2.h [!ENABLE_VTABLE_VERIFY] (STARTFILE_VTV_SPEC): Define.
2059 (ENDFILE_VTV_SPEC): Define.
2061 2016-05-09 Kaushik Phatak <kaushik.phatak@kpit.com>
2063 * config/rl78/rl78.c (rl78_expand_prologue): Save the MDUC related
2064 registers in all interrupt handlers if necessary.
2065 (rl78_option_override): Add warning.
2066 (MUST_SAVE_MDUC_REGISTERS): New macro.
2067 (rl78_expand_epilogue): Restore the MDUC registers if necessary.
2068 * config/rl78/rl78.c (check_mduc_usage): New function.
2069 (mduc_regs): New structure to hold MDUC register data.
2070 * config/rl78/rl78.md (is_g13_muldiv_insn): New attribute.
2071 (mulsi3_g13): Add is_g13_muldiv_insn attribute.
2072 (udivmodsi4_g13): Add is_g13_muldiv_insn attribute.
2073 (mulhi3_g13): Add is_g13_muldiv_insn attribute.
2074 * config/rl78/rl78.opt (msave-mduc-in-interrupts): New option.
2075 * doc/invoke.texi (RL78 Options): Add -msave-mduc-in-interrupts.
2077 2016-05-09 Bin Cheng <bin.cheng@arm.com>
2079 * tree-if-conv.c (tree-ssa-loop.h): Include header file.
2080 (tree-ssa-loop-niter.h): Ditto.
2081 (idx_within_array_bound, ref_within_array_bound): New functions.
2082 (ifcvt_memrefs_wont_trap): Check if array ref is within bound.
2083 Factor out check on writable base object to ...
2084 (base_object_writable): ... here.
2086 2016-05-09 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2088 * config/arm/arm.md (probe_stack): Add modes to set source
2089 and destination.
2091 2016-05-09 Bernd Schmidt <bschmidt@redhat.com>
2093 * regrename.c (base_reg_class_for_rename): New static function.
2094 (scan_rtx_address, scan_rtx): Use it instead of base_reg_class.
2096 2016-05-08 Jan Hubicka <hubicka@ucw.cz>
2098 * cgraph.c (thunk_adjust): Export.
2099 * cgraphclones.c (cgraph_node::create_clone): Clone thunk info.
2100 * cgraphunit.c (thunk_adjust): Export.
2101 (cgraph_node::assemble_thunks_and_aliases): Do not assemble inlined
2102 thunks.
2103 * ipa-inline-analyssi.c (compute_inline_parameters): Thunks are
2104 inlinable.
2105 * tree-inline.c (expand_call_inline): Expand thunks inline.
2107 2016-05-08 Uros Bizjak <ubizjak@gmail.com>
2109 PR target/70998
2110 * config/i386/sse.md (*sse2_vd_cvtsd2ss): New insn pattern.
2111 (*sse2_vd_cvtss2sd): Ditto.
2112 * config/i386/i386.md
2113 (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_truncate df->sf splitter):
2114 Generate *sse2_vd_cvtsd2ss pattern.
2115 (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_extend sf->df splitter):
2116 Generate *sse2_vd_cvtss2sd pattern.
2118 2016-05-08 Oleg Endo <olegendo@gcc.gnu.org>
2120 * config/sh/sh.h (GET_SH_ARG_CLASS): Convert macro into ...
2121 * config/sh/sh.c (get_sh_arg_class): ... this new function. Update its
2122 users.
2124 2016-05-08 Oleg Endo <olegendo@gcc.gnu.org>
2126 * config/sh/sh-protos.h (sh_media_register_for_return): Remove.
2127 * config/sh/sh.c: Define and declare variables on first use throughout
2128 the file.
2129 (current_function_interrupt): Change to bool type.
2130 (frame_insn): Rename to emit_frame_insn and update users.
2131 (push_regs): Use bool for 'interrupt_handler' argument.
2132 (save_schedule_s): Remove.
2133 (TARGET_ASM_UNALIGNED_DI_OP, TARGET_ASM_ALIGNED_DI_OP): Remove.
2134 (sh_option_override): Don't nullify targetm.asm_out.aligned_op.di and
2135 targetm.asm_out.unaligned_op.di.
2136 (gen_far_branch): Remove redundant forward declaration.
2137 (sh_media_register_for_return, MAX_SAVED_REGS, save_entry_s, save_entry,
2138 MAX_TEMPS, save_schedule_ssave_schedule): Remove.
2139 (sh_set_return_address, sh_function_ok_for_sibcall,
2140 scavenge_reg): Update comments.
2141 (sh_builtin_saveregs): Use TRAGET_FPU_ANY condition.
2142 (sh2a_get_function_vector_number, sh2a_function_vector_p): Use for loop.
2143 (sh_attr_renesas_p): Remove unnecessary parentheses.
2144 (branch_dest): Simplify.
2145 * config/sh/sh.h (sh_args): Remove byref, byref_regs, stack_regs fields.
2146 Change force_mem, prototype_p, outgoing, renesas_abi fields to bool.
2147 (CUMULATIVE_ARGS): Change macro to typedef.
2148 (current_function_interrupt): Change to bool type.
2149 (sh_arg_class, sh_args, CUMULATIVE_ARGS, current_function_interrupt):
2150 Surround with __cplusplus ifdef.
2151 (sh_compare_op0, sh_compare_op1): Remove.
2152 (EPILOGUE_USES): Use TARGET_FPU_ANY condition.
2154 2016-05-07 Jim Wilson <jim.wilson@linaro.org>
2156 * config/arm/arm.md: (arch): Add neon.
2157 (arch_enabled): Return yes for arch neon when TARGET_NEON.
2158 * config/arm/vfp.md (movdf_vfp): Add w/G as alternative 3. Add
2159 neon_move as type for alt 3. Add arch attr enabling alt 3 for neon.
2160 Emit vmov.i64 for alt 3. Renumber alternatives 3 to 8. Adjust
2161 attributes for alt renumbering. Mark alt 3 as non-predicable.
2162 (thumb2_movdf_vfp): Likewise.
2164 2016-05-07 Uros Bizjak <ubizjak@gmail.com>
2166 * config/i386/i386.md (*addqi_1): Add preferred_for_speed attribute
2167 to disparage alternatives 3 and 4 for TARGET_PARTIAL_REG_STALL targets.
2168 (*andqi_1): Add preferred_for_speed attribute to disparage
2169 alternative 2 for TARGET_PARTIAL_REG_STALL targets.
2170 (*<code>qi_1): Ditto.
2171 (*one_cmplqi2_1): Add preferred_for_speed attribute to disparage
2172 alternative 1 for TARGET_PARTIAL_REG_STALL targets.
2173 (*ashlqi3_1): Ditto.
2174 (*swap<mode>): Merge from *swap<mode>_1 and *swap<mode>_2 patterns.
2175 Add preferred_for_size attribute to disparage alternative 0 and
2176 preferred_for_speed attribute to disparage alternative 1 for
2177 TARGET_PARTIAL_REG_STALL targets.
2179 2016-05-07 Tom de Vries <tom@codesourcery.com>
2181 PR tree-optimization/70956
2182 * graphite-scop-detection.c (build_cross_bb_scalars_def): Handle NULL
2183 def.
2185 2016-05-07 Oleg Endo <olegendo@gcc.gnu.org>
2187 * config/sh/sh-protos.h (sh_cbranch_distance): Declare new function.
2188 * config/sh/sh.c (sh_cbranch_distance): Implement it.
2189 * config/sh/sh.md (branch_zero): Remove define_attr.
2190 (define_delay): Disable delay slot if branch distance is one insn.
2192 2016-05-06 Uros Bizjak <ubizjak@gmail.com>
2194 * config/i386/i386.md (LEAMODE): New mode attribute.
2195 (plus to LEA splitter): Rewrite splitter using LEAMODE mode attribute.
2196 (ashift to LEA splitter): Rewrte splitter using SWI mode iterator
2197 and LEAMODE mode attribute. Use VOIDmode const_0_to_3_operand as
2198 operand 2 predicate.
2199 (*lea<mode>_general_2): Use VOIDmode for const248_operand.
2200 (*lea<mode>_general_3): Ditto.
2201 (*lea<mode>_general_4): Use VOIDmode for const_0_to_3_operand.
2203 2016-05-06 Jakub Jelinek <jakub@redhat.com>
2205 * genmddump.c (main): Convert argv from char ** to const char **.
2207 2016-05-06 David Malcolm <dmalcolm@redhat.com>
2209 * coretypes.h (OVERRIDE): New macro.
2210 (FINAL): New macro.
2212 2016-05-06 Eric Botcazou <ebotcazou@adacore.com>
2214 * tree-ssa-coalesce.c (gimple_can_coalesce_p): In the optimized case,
2215 allow coalescing if the types are compatible.
2217 2016-05-06 David Malcolm <dmalcolm@redhat.com>
2219 * pass_manager.h (pass_manager::register_pass_name): New method.
2220 (pass_manager::get_pass_by_name): New method.
2221 (pass_manager::create_pass_tab): New method.
2222 (pass_manager::m_name_to_pass_map): New field.
2223 * passes.c (name_to_pass_map): Delete global in favor of field
2224 "m_name_to_pass_map" of pass_manager.
2225 (register_pass_name): Rename from a function to...
2226 (pass_manager::register_pass_name): ...this method, updating
2227 for renaming of global "name_to_pass_map" to field
2228 "m_name_to_pass_map".
2229 (create_pass_tab): Rename from a function to...
2230 (pass_manager::create_pass_tab): ...this method, updating
2231 for renaming of global "name_to_pass_map" to field.
2232 (get_pass_by_name): Rename from a function to...
2233 (pass_manager::get_pass_by_name): ...this method.
2234 (enable_disable_pass): Convert use of get_pass_by_name to
2235 a method call, locating the pass_manager singleton.
2237 2016-05-06 David Malcolm <dmalcolm@redhat.com>
2239 * genattr-common.c (main): Convert argv from char ** to const char **.
2240 * genattr.c (main): Likewise.
2241 * genattrtab.c (main): Likewise.
2242 * genautomata.c (initiate_automaton_gen): Likewise.
2243 (main): Likewise.
2244 * gencodes.c (main): Likewise.
2245 * genconditions.c (main): Likewise.
2246 * genconfig.c (main): Likewise.
2247 * genconstants.c (main): Likewise.
2248 * genemit.c (main): Likewise.
2249 * genenums.c (main): Likewise.
2250 * genextract.c (main): Likewise.
2251 * genflags.c (main): Likewise.
2252 * genmddeps.c (main): Likewise.
2253 * genopinit.c (main): Likewise.
2254 * genoutput.c (main): Likewise.
2255 * genpeep.c (main): Likewise.
2256 * genpreds.c (main): Likewise.
2257 * genrecog.c (main): Likewise.
2258 * gensupport.c (init_rtx_reader_args_cb): Likewise.
2259 (init_rtx_reader_args): Likewise.
2260 * gensupport.h (init_rtx_reader_args_cb): Likewise.
2261 (init_rtx_reader_args): Likewise.
2262 * gentarget-def.c (main): Likewise.
2263 * read-md.c (read_md_files): Likewise.
2264 * read-md.h (read_md_files): Likewise.
2266 2016-05-06 Uros Bizjak <ubizjak@gmail.com>
2268 * config/i386/i386.md (int cmove peephole2s): Use general_reg_operand
2269 instead of register_and_not_any_fp_reg_operand as operand 0 predicate.
2270 * config/i386/predicates.md (register_and_not_any_fp_reg_operand):
2271 Remove unused predicate.
2272 (register_and_not_fp_reg_operand): Ditto.
2274 2016-05-06 Martin Liska <mliska@suse.cz>
2276 * tree-if-conv.c (ifcvt_split_critical_edges): Use auto_vec
2277 instead of vec as the vector is local to the function.
2279 2016-05-06 Jakub Jelinek <jakub@redhat.com>
2281 * config/i386/sse.md (*<code>v8hi3, *<code>v16qi3): Add
2282 avx512bw alternative.
2284 * config/i386/sse.md (<mask_codefor>ashr<mode>3<mask_name>): Move
2285 before the ashr<mode>3 pattern.
2287 * config/i386/sse.md (*avx2_pmaddwd, *sse2_pmaddwd): Use
2288 v instead of x in vex or maybe_vex alternatives, use
2289 maybe_evex instead of vex in prefix.
2291 * config/i386/sse.md (*vec_extractv4sf_0, *sse4_1_extractps,
2292 *vec_extractv4sf_mem, vec_extract_lo_v16hi, vec_extract_hi_v16hi,
2293 vec_extract_lo_v32qi, vec_extract_hi_v32qi): Use v instead of x
2294 in vex or maybe_vex alternatives, use maybe_evex instead of vex
2295 in prefix.
2297 * config/i386/sse.md (*vec_concatv2sf_sse4_1, *vec_concatv4sf): Use
2298 v instead of x in vex or maybe_vex alternatives, use
2299 maybe_evex instead of vex in prefix.
2301 * config/i386/sse.md (sse_shufps_<mode>, sse_storehps, sse_loadhps,
2302 sse_storelps, sse_movss, avx2_vec_dup<mode>, avx2_vec_dupv8sf_1,
2303 sse2_shufpd_<mode>, sse2_storehpd, sse2_storelpd, sse2_loadhpd,
2304 sse2_loadlpd, sse2_movsd): Use v instead of x in vex or maybe_vex
2305 alternatives, use maybe_evex instead of vex in prefix.
2307 * config/i386/sse.md (vec_interleave_lowv4sf,
2308 *vec_interleave_highv2df, *vec_interleave_lowv2df): Use
2309 v instead of x in vex or maybe_vex alternatives, use
2310 maybe_evex instead of vex in prefix.
2312 * config/i386/sse.md (sse_movhlps, sse_movlhps): Use
2313 v instead of x in vex or maybe_vex alternatives, use
2314 maybe_evex instead of vex in prefix.
2316 * config/i386/sse.md (*avx_cvtpd2dq256_2, *avx_cvtps2pd256_2): Use
2317 v constraint instead of x.
2319 2016-05-06 Nathan Sidwell <nathan@codesourcery.com>
2321 * gimple.c (gimple_call_same_target_p): Unique functions are eq.
2322 * tree-ssa-tail-merge.c (same_succ::equal): Check pointer eq
2323 equality first.
2325 2016-05-06 Richard Biener <rguenther@suse.de>
2327 PR tree-optimization/70948
2328 * tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
2329 Properly clobber all fields of va_list for __builtin_va_start.
2331 2016-05-06 Yuri Rumyantsev <ysrumyan@gmail.com>
2333 PR debug/70935
2334 * tree-ssa-loop-unswitch.c (find_loop_guard): Reject guard edge with
2335 loop latch destination.
2337 2016-05-06 Martin Liska <mliska@suse.cz>
2339 * tree-ssa-uninit.c: Apply manual changes
2340 to the GNU coding style.
2341 (prune_uninit_phi_opnds): Rename from
2342 prune_uninit_phi_opnds_in_unrealizable_paths.
2344 2016-05-06 Oleg Endo <olegendo@gcc.gnu.org>
2346 * config/sh/sh.opt (madjust-unroll, minvalid-symbols, msoft-atomic,
2347 mspace): Remove deprecated options.
2348 * doc/invoke.texi (SH options): Remove -mspace.
2350 2016-05-06 Oleg Endo <olegendo@gcc.gnu.org>
2352 * config/sh/sh.md (ic_invalidate_line_sh4a): Fix insn length.
2354 2016-05-06 Oleg Endo <olegendo@gcc.gnu.org>
2356 * config/sh/sh.md (*cmpeqsi_t): Remove combine insn pattern and similar
2357 corresponding combine split pattern.
2359 2016-05-06 Oleg Endo <olegendo@gcc.gnu.org>
2361 PR target/58219
2362 * config/sh/predicates.md (long_displacement_mem_operand): New.
2363 * config/sh/sh.md (movsi_i): Allow for SH2A, disallow for any FPU.
2364 Add movi20, movi20s alternatives. Adjust length attribute for
2365 alternatives.
2366 (movsi_ie): Allow for any FPU. Adjust length attribute for
2367 alternatives.
2368 (movsi_i_lowpart): Add movi20, movi20s alternatives. Adjust length
2369 attribute for alternatives.
2370 (*mov<mode>): Use long_displacement_mem_operand for length attribute.
2371 (*movdi_i, movdf_k, movdf_i4, movsf_i, movsf_ie, movsf_ie_ra): Adjust
2372 length attribute for alternatives.
2374 2016-05-06 Richard Biener <rguenther@suse.de>
2376 PR tree-optimization/70960
2377 * tree-if-conv.c (ifcvt_walk_pattern_tree): Handle non-SSA ops.
2379 2016-05-06 Oleg Endo <olegendo@gcc.gnu.org>
2381 PR target/52933
2382 * config/sh/sh.md (*cmp_div0s_7, *cmp_div0s_8): Add div0s variants.
2383 * config/sh/sh.c (sh_rtx_costs): Add another div0s case.
2385 2016-05-06 Marek Polacek <polacek@redhat.com>
2387 PR sanitizer/70875
2388 * ubsan.c (get_ubsan_type_info_for_type): Remove assert.
2390 2016-05-06 Oleg Endo <olegendo@gcc.gnu.org>
2392 PR target/54089
2393 * config/sh/sh.md (*rotcr): Add another variant.
2395 2016-05-06 Richard Biener <rguenther@suse.de>
2397 PR middle-end/70931
2398 * dwarf2out.c (native_encode_initializer): Skip zero-sized fields.
2400 2016-05-06 Richard Biener <rguenther@suse.de>
2402 PR middle-end/70941
2403 * fold-const.c (split_tree): Always convert to the original type
2404 before negating.
2406 2016-05-06 Richard Biener <rguenther@suse.de>
2408 * fwprop.c (fwprop): Remove duplicate cleanup_cfg call.
2409 (fwprop_addr): Likewise.
2411 2016-05-06 Uros Bizjak <ubizjak@gmail.com>
2413 PR target/70873
2414 * config/i386/i386-protos.h (ix86_standard_x87sse_constant_load_p):
2415 New prototype.
2416 * config/i386/i386.c (ix86_standard_x87sse_constant_load_p): New.
2417 * config/i386/i386.md (push mem splitter): Use find_constant_src in
2418 the splitter condition.
2419 (FP load splitter): Use ix86_standard_x87sse_constant_load_p in
2420 the splitter condition.
2421 (FP float_extend load splitter): Ditto.
2423 2016-05-05 Uros Bizjak <ubizjak@gmail.com>
2425 * config/i386/i386.md (peehole2 patterns): Change true_regnum
2426 to REGNO in all peephole2 patterns.
2427 (post-reload splitters): Change true_regnum to REGNO in
2428 post-reload splitters.
2429 (zero_extend splitters): Use general_reg_operand and
2430 nonimmediate_gr_operand predicates.
2432 2016-05-05 Jakub Jelinek <jakub@redhat.com>
2434 * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>): Use
2435 v constraint instead of x.
2437 2016-05-05 Alan Modra <amodra@gmail.com>
2439 PR target/68662
2440 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Don't
2441 set OPTION_MASK_RELOCATABLE when flag_pic == 2. Set
2442 TARGET_NO_FP_IN_TOC for -mrelocatable.
2443 (MINIMAL_TOC_SECTION_ASM_OP): Remove redundant
2444 TARGET_RELOCATABLE test.
2445 (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
2446 (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
2447 * config/rs6000/linux64.h (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
2448 (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
2449 (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
2450 * config/rs6000/freebsd64.h (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
2451 (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
2452 (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
2453 * config/rs6000/predicates.md (easy_fp_constant): Likewise.
2454 * config/rs6000/rs6000.c (rs6000_elf_output_toc_section_asm_op):
2455 Likewise.
2456 (rs6000_assemble_integer): Update TARGET_RELOCATABLE test.
2457 (rs6000_stack_info): Likewise.
2458 (rs6000_elf_asm_out_constructor): Likewise.
2459 (rs6000_elf_asm_out_destructor): Likewise.
2460 (rs6000_elf_declare_function_name): Likewise.
2461 * config/rs6000/rs6000.md (load_toc_aix_di): Likewise.
2462 * config/rs6000/rs6000.h (MASK_RELOCATABLE, MASK_MINIMAL_TOC):
2463 Don't define.
2465 2016-05-05 Alan Modra <amodra@gmail.com>
2467 * config/rs6000/rs6000.c (rs6000_frame_related): Rewrite.
2469 2016-05-05 Alan Modra <amodra@gmail.com>
2471 * config/rs6000/rs6000.c (rs6000_savres_strategy): Don't use
2472 out-of-line gpr restore for one or two regs if that would add
2473 a save of lr.
2475 2016-05-04 Uros Bizjak <ubizjak@gmail.com>
2477 PR target/70873
2478 * config/i386/i386.md
2479 (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_extend sf->df peephole2):
2480 Change to post-epilogue_completed late splitter. Use sse_reg_operand
2481 as operand 0 predicate.
2482 (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_truncate df->sf peephole2):
2483 Ditto.
2484 (TARGET_SSE_PARTIAL_REG_DEPENDENCY float {si,di}->{sf,df} peephole2):
2485 Ditto. Emit the pattern using RTX.
2487 (TARGET_USE_VECTOR_FP_CONVERTS float_extend sf->df splitter):
2488 Use sse_reg_opreand as operand 0 predicate. Do not use true_regnum in
2489 the post-reload splitter. Use lowpart_subreg instead of gen_rtx_REG.
2490 (TARGET_USE_VECTOR_FP_CONVERTS float_truncate df->sf splitter):
2491 Ditto.
2492 (TARGET_USE_VECTOR_CONVERTS float si->{sf,df} splitter): Use
2493 sse_reg_operand as operand 0 predicate.
2495 (TARGET_SPLIT_MEM_OPND_FOR_FP_CONVERTS float_extend sf->df peephole2):
2496 Use sse_reg_opreand as operand 0 predicate. Use lowpart_subreg
2497 instead of gen_rtx_REG.
2498 (TARGET_SPLIT_MEM_OPND_FOR_FP_CONVERTS float_truncate sf->df peephole2):
2499 Ditto.
2501 2016-05-04 Segher Boessenkool <segher@kernel.crashing.org>
2503 * function.c (emit_use_return_register_into_block): Delete.
2504 (gen_return_pattern): Delete.
2505 (emit_return_into_block): Delete.
2506 (active_insn_between): Delete.
2507 (convert_jumps_to_returns): Delete.
2508 (emit_return_for_exit): Delete.
2509 (thread_prologue_and_epilogue_insns): Delete all code dealing with
2510 simple_return for shrink-wrapped blocks.
2511 * shrink-wrap.c (try_shrink_wrapping): Insert simple_return at the
2512 end of blocks that need one.
2513 (get_unconverted_simple_return): Delete.
2514 (convert_to_simple_return): Delete.
2515 * shrink-wrap.c (get_unconverted_simple_return): Delete declaration.
2516 (convert_to_simple_return): Ditto.
2518 2016-05-04 Segher Boessenkool <segher@kernel.crashing.org>
2520 * cfgcleanup.c (bb_is_just_return): New function.
2521 (try_optimize_cfg): Simplify jumps to return, branches to return,
2522 and branches around return.
2524 2016-05-04 Segher Boessenkool <segher@kernel.crashing.org>
2526 * cfgcleanup.c (try_simplify_condjump): Don't try to simplify a
2527 branch to a return.
2529 2016-05-04 Jakub Jelinek <jakub@redhat.com>
2531 PR c++/70906
2532 PR c++/70933
2533 * tree-core.h (enum operand_equal_flag): Add OEP_HASH_CHECK.
2534 * tree.c (inchash::add_expr): If !IS_EXPR_CODE_CLASS (tclass),
2535 assert flags & OEP_HASH_CHECK, instead of asserting it
2536 never happens. Handle TARGET_EXPR.
2537 * fold-const.c (operand_equal_p): For hash verification,
2538 or in OEP_HASH_CHECK into flags.
2540 2016-05-04 Eric Botcazou <ebotcazou@adacore.com>
2542 * tree-ssa-coalesce.c (gimple_can_coalesce_p): Fix reference in head
2543 comment.
2544 (compute_samebase_partition_bases): Fix typo.
2546 2016-05-04 Jakub Jelinek <jakub@redhat.com>
2548 * config/i386/sse.md (vec_interleave_highv8sf,
2549 vec_interleave_lowv8sf, vec_interleave_highv4df,
2550 vec_interleave_lowv4df): Remove constraints from expanders.
2552 * config/i386/sse.md (sse2_movq128): Use v constraint instead of x.
2554 2016-05-04 Jan Hubicka <hubicka@ucw.cz>
2556 * tree-inline.c (expand_call_inline): Fix path dealing with
2557 making lhs of call statement undefined.
2559 2016-05-04 Jan Hubicka <hubicka@ucw.cz>
2561 * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases):
2562 Check availability on NODE, too.
2563 * cgraph.h (symtab_node::call_for_symbol_and_aliases): Likewise.
2564 (cgraph_node::call_for_symbol_and_aliases): Likewise.
2565 (varpool_node::call_for_symbol_and_aliase): Likewise.
2566 * ipa-pure-const.c (add_new_function): Analyze all bodies.
2567 (propagate_pure_const): Propagate across interposable functions, too.
2568 (skip_function_for_local_pure_const): Do not skip interposable bodies
2569 with aliases.
2570 (pass_local_pure_const::execute): Update.
2572 2016-05-04 Marek Polacek <polacek@redhat.com>
2574 * doc/invoke.texi: Document -Wdangling-else.
2576 2016-05-04 Thomas Preud'homme <thomas.preudhomme@arm.com>
2578 * config.gcc: Error out when conflicting multilib is detected. Do not
2579 loop over multilibs since no combination is legal.
2581 2016-05-04 Alan Modra <amodra@gmail.com>
2583 * config/rs6000/rs6000.h (PIC_OFFSET_TABLE_REGNUM): Correct.
2584 * config/rs6000/sysv4.h (TARGET_TOC): Simplify.
2585 * config/rs6000/rs6000.c (rs6000_elf_output_toc_section_asm_op):
2586 Align .toc.
2588 2016-05-04 Matthew Fortune <matthew.fortune@imgtec.com>
2590 * config/mips/mips-cpus.def (p5600): Avoid IMADD by default.
2591 Clean up p5600 comments.
2593 2016-05-04 Richard Biener <rguenther@suse.de>
2595 * match.pd: Add BIT_FIELD_REF canonicalizations and vector
2596 constructor simplifications.
2597 * fold-const.c (fold_ternary_loc): Remove duplicate functionality here.
2599 2016-05-04 Oleg Endo <olegendo@gcc.gnu.org>
2601 * config/sh/predicates (post_inc_mem, pre_dec_mem): New predicates.
2602 * config/sh/sh-protos.h (sh_find_set_of_reg): Return null result if
2603 result.set_rtx is null instead of aborting.
2604 * config/sh/sh.h (USE_LOAD_POST_INCREMENT, USE_STORE_PRE_DECREMENT):
2605 Always enable.
2606 (USE_LOAD_PRE_DECREMENT, USE_STORE_POST_INCREMENT): Enable for SH2A.
2607 * config/sh/sh.md (*extend<mode>si2_predec, *mov<mode>_load_predec,
2608 *mov<mode>_store_postinc): New patterns.
2610 2016-05-04 Marc Glisse <marc.glisse@inria.fr>
2612 * match.pd ((A | B) & (A | C)): Generalize to BIT_XOR_EXPR. Mark
2613 as commutative. Check both conversions are NOP.
2614 ((A & B) OP (C & B)): Remove.
2616 2016-05-04 Alan Modra <amodra@gmail.com>
2618 * combine.c (simplify_set): Correct WORD_REGISTER_OPERATIONS test.
2620 2016-05-04 Alan Modra <amodra@gmail.com>
2622 PR target/70866
2623 * config/rs6000/rs6000.c (rs6000_stack_info): Don't set cr_save_p
2624 when cr2,3,4 are all fixed regs.
2626 2016-05-04 Bernd Schmidt <bschmidt@redhat.com>
2628 PR rtl-optimization/57193
2629 * opts.c (default_options_table): Revert OPT_frename_registers change.
2630 * doc/invoke.texi (-frename-registers, -O2): Likewise.
2632 2016-05-03 Martin Sebor <msebor@redhat.com>
2634 PR c++/66561
2635 * builtins.c (fold_builtin_FILE): New function.
2636 (fold_builtin_FUNCTION, fold_builtin_LINE): New functions.
2637 (fold_builtin_0): Call them.
2638 * gimplify.c (gimplify_call_expr): Remove the handling of
2639 BUILT_IN_FILE, BUILT_IN_FUNCTION, and BUILT_IN_LINE.
2641 PR c++/66561
2642 * doc/extend.texi (Other Builtins): Update __builtin_FILE,
2643 __builtin_FUNCTION, and __builtin_LINE to reflect they yield
2644 constants.
2646 PR c++/66639
2647 * doc/extend.texi (Function Names as Strings): Update __func__,
2648 __FUNCTION__, __PRETTY_FUNCTION__ to reflect they evaluate to
2649 constants.
2651 2016-05-03 Jakub Jelinek <jakub@redhat.com>
2652 Richard Biener <rguenther@suse.de>
2654 PR tree-optimization/70916
2655 * tree-if-conv.c: Include cfganal.h.
2656 (pass_if_conversion::execute): Call connect_infinite_loops_to_exit
2657 and remove_fake_exit_edges around the optimization pass.
2659 2016-05-03 Jan Hubicka <hubicka@ucw.cz>
2661 * cgraph.c (symbol_table::create_edge): Set inline_failed.
2662 (cgraph_edge::make_direct): Likewise.
2663 (cgraph_edge::dump_edge_flags): Dump call_stmt_cannot_inline_p.
2664 * cgraphclones.c (duplicate_thunk_for_node): Set inline_failed.
2665 * cif-code.def (CIF_LTO_MISMATCHED_DECLARATIONS): New code
2666 (CIF_THUNK): New code.
2667 * ipa-inline-analysis.c (initialize_inline_failed): Preserve
2668 CIF_FINAL_ERROR codes; do not deal with call_stmt_cannot_inline_p.
2669 (compute_inline_parameters): Set inline_failed for thunks.
2670 (inline_analyze_function): Cleanup.
2671 * ipa-inline.c (can_inline_edge_p): Do not deal with
2672 call_stmt_cannot_inline_p.
2673 (can_early_inline_edge_p): Likewise.
2674 (early_inliner): Initialize inline_failed.
2675 * lto-cgraph.c (lto_output_edge): Sanity check inline_failed.
2677 2016-05-03 Uros Bizjak <ubizjak@gmail.com>
2679 * config/i386/predicates.md (x87nonimm_ssenomem_operand): Rename
2680 from nonimm_ssenomem_operand.
2681 (nonimm_ssenomem_operand): New predicate.
2682 * config/i386/i386.md (extendsfdf2): Use nonimm_ssenomem_operand
2683 as operand 0 predicate.
2684 (*extendsfdf2): Merge from *extendsfdf2_mixed and *extendsfdf2_i387.
2685 Disable unsupported alternatives using "enabled" attribute.
2686 Use register_ssemem_operand as operand 0 predicate.
2687 (*fop_<mode>_1): Use x87nonimm_ssenomem_operand as operand 1 predicate.
2689 2016-05-03 Marek Polacek <polacek@redhat.com>
2691 PR c/70859
2692 * input.c (expansion_point_location): New function.
2693 * input.h (expansion_point_location): Declare.
2695 2016-05-03 Pierre-Marie de Rodat <derodat@adacore.com>
2697 * dwarf2out.c (resolve_args_picking_1): Replace the frame_offset
2698 occurence with frame_offset_ ones.
2700 2016-05-03 Alan Modra <amodra@gmail.com>
2702 PR rtl-optimization/70890
2703 * ira.c (combine_and_move_insns): When moving def_insn, remove
2704 equivs on use_insn.
2706 2016-05-03 Dominik Vogt <vogt@linux.vnet.ibm.com>
2708 * config/s390/s390.md ("*r<noxa>sbg_<mode>_sll")
2709 ("*r<noxa>sbg_<mode>_srl"): New define_insns.
2710 ("*r<noxa>sbg_<mode>_srl_bitmask"): Rename by adding "_bitmask".
2711 ("*r<noxa>sbg_<mode>_sll_bitmask"): Likewise.
2713 2016-05-03 Alan Modra <amodra@gmail.com>
2715 * config/rs6000/rs6000.c (rs6000_savres_strategy): Correct condition
2716 for SAVE_MULTIPLE/STORE_MULTIPLE.
2718 2016-05-03 Jakub Jelinek <jakub@redhat.com>
2720 * config/i386/i386.md (*truncdfsf_mixed, *truncdfsf_i387,
2721 *truncxfsf2_mixed, *truncxfdf2_mixed): Use v constraint instead of x.
2723 2016-05-03 Richard Biener <rguenther@suse.de>
2725 * gimplify.h (get_initialized_tmp_var): Add allow_ssa parameter
2726 default true.
2727 (gimplify_arg): Likewise.
2728 * gimplify.c (gimplify_expr): Add overload with allow_ssa parameter,
2729 re-writing the result to a decl if required.
2730 (internal_get_tmp_var): Add allow_ssa parameter
2731 and override into_ssa with it.
2732 (get_formal_tmp_var): Adjust.
2733 (get_initialized_tmp_var): Add allow_ssa parameter.
2734 (gimplify_arg): Add allow_ssa parameter and avoid generating
2735 SSA names for the result false.
2736 (gimplify_call_expr): If the call may return twice do not
2737 gimplify parameters into SSA.
2738 (prepare_gimple_addressable): Do not allow an SSA name as temporary.
2739 (gimplify_modify_expr): Adjust assert. For noreturn calls
2740 with a SSA name LHS adjust its def.
2741 (gimplify_save_expr): Do not allow an SSA name as save-expr result.
2742 (gimplify_one_sizepos): Do not allow an SSA name as a sizepos.
2743 (gimplify_body): Init GIMPLE SSA data structures and gimplify into-SSA.
2744 (gimplify_scan_omp_clauses): Make sure OMP_CLAUSE_SIZE is not
2745 an SSA name. Likewise for OMP_CLAUSE_REDUCTION operands.
2746 (gimplify_omp_for): Likewise for OMP_CLAUSE_DECL. Likewise
2747 for OMP_FOR_COND, OMP_FOR_INCR and OMP_CLAUSE_LINEAR_STEP.
2748 (optimize_target_teams): Do not allow SSA names for clause operands.
2749 (gimplify_expr): Likewise for where we mark the result addressable.
2750 * passes.def (pass_init_datastructures): Remove.
2751 * tree-into-ssa.c (mark_def_sites): Ignore existing SSA names.
2752 (rewrite_stmt): Likewise.
2753 * tree-inline.c (initialize_cfun): Properly transfer SSA state.
2754 (replace_locals_op): Replace SSA names.
2755 (copy_gimple_seq_and_replace_locals): Init src_cfun.
2756 * gimple-low.c (lower_builtin_setjmp): Deal with SSA.
2757 * cgraph.c (release_function_body): Free CFG annotations only
2758 when we have a CFG. Simplify.
2759 * gimple-fold.c (gimplify_and_update_call_from_tree): Use
2760 force_gimple_operand instead of get_initialized_tmp_var.
2761 * tree-pass.h (make_pass_init_datastructures): Remove.
2762 * tree-ssa.c (execute_init_datastructures): Remove.
2763 (pass_data_init_datastructures): Likewise.
2764 (class pass_init_datastructures): Likewise.
2765 (make_pass_init_datastructures): Likewise.
2766 * omp-low.c (create_omp_child_function): Init SSA data structures.
2767 (grid_expand_target_grid_body): Likewise.
2768 * tree-cfg.c (move_block_to_fn): Double-check the DEF is an SSA
2769 name before adding it to names_to_release.
2770 (remove_bb): Always release SSA defs.
2771 * tree-ssa-ccp.c (get_default_value): Check SSA_NAME_VAR
2772 before dereferencing it.
2773 * cgraphunit.c (init_lowered_empty_function): Always
2774 int SSA data structures.
2775 * tree-ssanames.c (release_defs): Remove assert that we are in
2776 SSA form.
2777 * trans-mem.c (diagnose_tm_1): Handle SSA name function.
2779 2016-05-03 Jakub Jelinek <jakub@redhat.com>
2780 Uros Bizjak <ubizjak@gmail.com>
2782 PR rtl-optimization/70467
2783 * config/i386/predicates.md (x86_64_hilo_int_operand,
2784 x86_64_hilo_general_operand): New predicates.
2785 * config/i386/constraints.md (Wd): New constraint.
2786 * config/i386/i386.md (mode attr di): Use Wd instead of e.
2787 (general_hilo_operand): New mode attr.
2788 (add<mode>3, sub<mode>3): Use <general_hilo_operand>
2789 instead of <general_operand>.
2790 (*add<dwi>3_doubleword, *sub<dwi>3_doubleword): Use
2791 x86_64_hilo_general_operand instead of <general_operand>.
2793 2016-05-03 Jakub Jelinek <jakub@redhat.com>
2795 PR tree-optimization/70916
2796 * tree-if-conv.c (constant_or_ssa_name): Removed.
2797 (fold_build_cond_expr): Use is_gimple_val instead of
2798 constant_or_ssa_name.
2800 PR tree-optimization/70916
2801 * tree-vect-patterns.c (vect_recog_mask_conversion_pattern): Give up
2802 if COND_EXPR rhs1 is neither SSA_NAME nor COMPARISON_CLASS_P.
2804 PR target/49244
2805 * tree-ssa-ccp.c: Include stor-layout.h and optabs-query.h.
2806 (optimize_atomic_bit_test_and): New function.
2807 (pass_fold_builtins::execute): Use it.
2808 * optabs.def (atomic_bit_test_and_set_optab,
2809 atomic_bit_test_and_complement_optab,
2810 atomic_bit_test_and_reset_optab): New optabs.
2811 * internal-fn.def (ATOMIC_BIT_TEST_AND_SET,
2812 ATOMIC_BIT_TEST_AND_COMPLEMENT, ATOMIC_BIT_TEST_AND_RESET): New ifns.
2813 * builtins.h (expand_ifn_atomic_bit_test_and): New prototype.
2814 * builtins.c (expand_ifn_atomic_bit_test_and): New function.
2815 * internal-fn.c (expand_ATOMIC_BIT_TEST_AND_SET,
2816 expand_ATOMIC_BIT_TEST_AND_COMPLEMENT,
2817 expand_ATOMIC_BIT_TEST_AND_RESET): New functions.
2818 * doc/md.texi (atomic_bit_test_and_set@var{mode},
2819 atomic_bit_test_and_complement@var{mode},
2820 atomic_bit_test_and_reset@var{mode}): Document.
2821 * config/i386/sync.md (atomic_bit_test_and_set<mode>,
2822 atomic_bit_test_and_complement<mode>,
2823 atomic_bit_test_and_reset<mode>): New expanders.
2824 (atomic_bit_test_and_set<mode>_1,
2825 atomic_bit_test_and_complement<mode>_1,
2826 atomic_bit_test_and_reset<mode>_1): New insns.
2828 2016-05-03 Richard Sandiford <richard.sandiford@arm.com>
2830 PR rtl-optimization/70687
2831 * combine.c (change_zero_ext): Check for scalar modes. Use wide_int
2832 instead of unsigned HOST_WIDE_INT.
2834 2016-05-03 Bernd Schmidt <bschmidt@redhat.com>
2836 PR rtl-optimization/44281
2837 * hard-reg-set.h (struct target_hard_regs): New field
2838 x_fixed_nonglobal_reg_set.
2839 (fixed_nonglobal_reg_set): New macro.
2840 * reginfo.c (init_reg_sets_1): Initialize it.
2841 * ira.c (setup_alloc_regs): Use fixed_nonglobal_reg_set instead
2842 of fixed_reg_set.
2843 * df-scan.c (df_insn_refs_collect): Asms may reference global regs.
2845 2016-05-03 Bin Cheng <bin.cheng@arm.com>
2847 PR tree-optimization/56541
2848 * doc/invoke.texi (@item max-tree-if-conversion-phi-args): New item.
2849 * params.def (PARAM_MAX_TREE_IF_CONVERSION_PHI_ARGS): new param.
2850 * tree-if-conv.c (MAX_PHI_ARG_NUM): new macro.
2851 (any_complicated_phi): new static variable.
2852 (aggressive_if_conv): delete.
2853 (if_convertible_phi_p): support phis with more than two arguments.
2854 (if_convertible_bb_p): remvoe check on aggressive_if_conv and
2855 critical pred edges.
2856 (ifcvt_split_critical_edges): support phis with more than two
2857 arguments by checking new parameter. only split critical edges
2858 if needed.
2859 (tree_if_conversion): handle simd pragma marked loop using new
2860 local variable aggressive_if_conv. check any_complicated_phi.
2862 2016-05-03 Bin Cheng <bin.cheng@arm.com>
2864 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Check depends_on
2865 before using it.
2867 2016-05-03 Bin Cheng <bin.cheng@arm.com>
2869 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Don't clobber
2870 cbase.
2872 2016-05-03 Oleg Endo <olegendo@gcc.gnu.org>
2874 * config/sh/sh.md (udivsi3, divsi3, mulsi3): Simplify.
2875 (mulhisi3, umulhisi3, (smulsi3_highpart, umulsi3_highpart): Convert to
2876 define_insn_and_split.
2877 (mulsi3_i): New define_insn_and_split.
2878 (mulsi3_call): Convert to define_insn.
2879 (mulsidi3, mulsidi3_compact, umulsidi3, umulsidi3_compact):
2880 Remove constraints.
2882 2016-05-02 Michael Meissner <meissner@linux.vnet.ibm.com>
2884 * machmode.h (mode_complex): Add support to give the complex mode
2885 for a given mode.
2886 (GET_MODE_COMPLEX_MODE): Likewise.
2887 * stor-layout.c (layout_type): For COMPLEX_TYPE, use the mode
2888 stored by build_complex_type and gfc_build_complex_type instead of
2889 trying to figure out the appropriate mode based on the size. Raise
2890 an assertion error, if the type was not set.
2891 * genmodes.c (struct mode_data): Add field for the complex type of
2892 the given type.
2893 (blank_mode): Likewise.
2894 (make_complex_modes): Remember the complex mode created in the
2895 base type.
2896 (emit_mode_complex): Write out the mode_complex array to map a
2897 type mode to the complex version.
2898 (emit_insn_modes_c): Likewise.
2899 * tree.c (build_complex_type): Set the complex type to use before
2900 calling layout_type.
2901 * config/rs6000/rs6000.c (rs6000_hard_regno_nregs_internal): Add
2902 support for __float128 complex datatypes.
2903 (rs6000_hard_regno_mode_ok): Likewise.
2904 (rs6000_setup_reg_addr_masks): Likewise.
2905 (rs6000_complex_function_value): Likewise.
2906 * config/rs6000/rs6000.h (FLOAT128_IEEE_P): Likewise.
2907 __float128 and __ibm128 complex.
2908 (FLOAT128_IBM_P): Likewise.
2909 (ALTIVEC_ARG_MAX_RETURN): Likewise.
2910 * doc/extend.texi (Additional Floating Types): Document that
2911 -mfloat128 must be used to enable __float128. Document complex
2912 __float128 and __ibm128 support.
2914 2016-05-02 Jakub Jelinek <jakub@redhat.com>
2916 PR target/49244
2917 * gimple.c (gimple_builtin_call_types_compatible_p): Allow
2918 char/short arguments promoted to int because of promote_prototypes.
2920 2016-05-02 Uros Bizjak <ubizjak@gmail.com>
2922 * config/i386/predicates.md (register_ssemem_operand): New predicate.
2923 * config/i386/i386.md (*cmpi<FPCMP:unord><MODEF:mode>): Merge from
2924 *cmpi<FPCMP:unord><MODEF:mode>_mixed and
2925 *cmpi<FPCMP:unord><X87MODEF:mode>_i387. Disable unsupported
2926 alternatives using "enabled" attribute. Use register_ssemem_operand
2927 as operand 1 predicate.
2928 (*cmpi<unord>xf_i387): Split XFmode pattern from
2929 *cmpi<FPCMP:unord><X87MODEF:mode>_i387.
2930 (*absneg<mode>2): Merge from *absneg<mode>2_mixed and
2931 *absneg<mode>2_i387. Disable unsupported alternatives using
2932 "enabled" attribute.
2933 (*absnegxf2_i387): Split XFmode pattern from *absneg<mode>2_i387.
2935 2016-05-02 Nathan Sidwell <nathan@codesourcery.com>
2937 * omp-low.c (lower_oacc_head_tail): Assert there is at least one
2938 marker.
2939 (oacc_loop_process): Check mask for loop termination.
2941 2016-05-02 Jan Hubicka <hubicka@ucw.cz>
2943 * cif-code.def (CIF_THUNK): Add.
2944 * ipa-inline-analsysis.c (evaluate_conditions_for_known_args): Revert
2945 accidental change.
2947 2016-05-02 Jan Hubicka <hubicka@ucw.cz>
2949 * ipa-inline-analysis.c (reset_inline_summary): Clear fp_expressions
2950 (dump_inline_summary): Dump it.
2951 (fp_expression_p): New predicate.
2952 (estimate_function_body_sizes): Use it.
2953 (inline_merge_summary): Merge fp_expressions.
2954 (inline_read_section): Read fp_expressions.
2955 (inline_write_summary): Write fp_expressions.
2956 * ipa-inline.c (can_inline_edge_p): Permit inlining across fp math
2957 codegen boundary if either caller or callee is !fp_expressions.
2958 * ipa-inline.h (inline_summary): Add fp_expressions.
2959 * ipa-inline-transform.c (inline_call): When inlining !fp_expressions
2960 to fp_expressions be sure the fp generation flags are updated.
2962 2016-05-02 Jakub Jelinek <jakub@redhat.com>
2964 PR rtl-optimization/70467
2965 * cse.c (cse_insn): Handle no-op MEM moves after folding.
2967 PR rtl-optimization/70467
2968 * ipa-pure-const.c (check_call): Handle internal calls even in
2969 ipa mode like in local mode.
2971 2016-05-02 Bernd Edlinger <bernd.edlinger@hotmail.de>
2973 * doc/install.texi: Document supported in-tree gmp/mpfr/mpc versions.
2975 2016-05-02 Marc Glisse <marc.glisse@inria.fr>
2977 * match.pd (X u< X, X u> X): New transformations.
2979 2016-05-02 Marc Glisse <marc.glisse@inria.fr>
2981 * flag-types.h (enum warn_strict_overflow_code): Move ...
2982 * coretypes.h: ... here.
2983 * fold-const.h (fold_overflow_warning): Declare.
2984 * fold-const.c (fold_overflow_warning): Make non-static.
2985 (fold_comparison): Move the transformation of X +- C1 CMP C2
2986 into X CMP C2 -+ C1 ...
2987 * match.pd: ... here.
2988 * gimple-fold.c (fold_stmt_1): Protect with
2989 fold_defer_overflow_warnings.
2991 2016-05-02 Nathan Sidwell <nathan@codesourcery.com>
2993 * omp-low.c (struct oacc_loop): Add 'inner' field.
2994 (new_oacc_loop_raw): Initialize it to zero.
2995 (oacc_loop_fixed_partitions): Initialize it.
2996 (oacc_loop_auto_partitions): Partition outermost loop to outermost
2997 available partitioning.
2999 2016-05-02 Claudiu Zissulescu <claziss@synopsys.com>
3001 * config/arc/arc.md (mulsidi3): Change operand 0 predicate to
3002 register_operand.
3003 (umulsidi3): Likewise.
3004 (indirect_jump): Fix jump instruction assembly patterns.
3006 2016-05-02 Thomas Schwinge <thomas@codesourcery.com>
3008 PR target/70860
3009 * config/nvptx/nvptx.c (nvptx_libcall_value): Handle NULL cfun.
3010 (nvptx_function_value): Assert non-NULL cfun.
3012 2016-05-02 Eric Botcazou <ebotcazou@adacore.com>
3014 PR rtl-optimization/70886
3015 * sched-deps.c (estimate_dep_weak): Canonicalize cselib values.
3017 * cselib.h (rtx_equal_for_cselib_1): Declare.
3018 (rtx_equal_for_cselib_p: New inline function.
3019 * cselib.c (rtx_equal_for_cselib_p): Delete.
3020 (rtx_equal_for_cselib_1): Make public.
3022 2016-05-02 Uros Bizjak <ubizjak@gmail.com>
3024 * config/i386/predicates.md (nonimm_ssenomem_operand): New predicate.
3025 (register_mixssei387nonimm_operand): Remove predicate.
3026 * config/i386/i386.md (*fop_<mode>_comm): Merge from
3027 *fop_<mode>_comm_mixed and *fop_<mode>_comm_i387. Disable unsupported
3028 alternatives using "enabled" attribute. Also check X87_ENABLE_ARITH
3029 for TARGET_MIX_SSE_I387 alternatives.
3030 (*fop_<mode>_1): Merge from *fop_<mode>_1_mixed and *fop_<mode>_1_i387.
3031 Disable unsupported alternatives using "enabled" attribute. Use
3032 nonimm_ssenomem_operand as operand 1 predicate. Also check
3033 X87_ENABLE_ARITH for TARGET_MIX_SSE_I387 alternatives.
3035 2016-05-02 Richard Sandiford <richard.sandiford@arm.com>
3037 * tree.c (cst_and_fits_in_hwi): Simplify.
3039 2016-05-02 Richard Sandiford <richard.sandiford@arm.com>
3041 * tree.h (wi::to_wide): New function.
3042 * expr.c (expand_expr_real_1): Use wi::to_wide.
3043 * fold-const.c (int_const_binop_1): Likewise.
3044 (extract_muldiv_1): Likewise.
3046 2016-05-02 Richard Sandiford <richard.sandiford@arm.com>
3048 * wide-int.h: Update offset_int and widest_int documentation.
3049 (WI_SIGNED_SHIFT_RESULT): New macro.
3050 (wi::binary_shift): Define signed_shift_result_type for
3051 shifts on offset_int- and widest_int-like types.
3052 (generic_wide_int): Support <<= and >>= if << and >> are supported.
3053 * tree.h (int_bit_position): Use shift operators instead of wi::
3054 shifts.
3055 * alias.c (adjust_offset_for_component_ref): Likewise.
3056 * expr.c (get_inner_reference): Likewise.
3057 * fold-const.c (fold_comparison): Likewise.
3058 * gimple-fold.c (fold_nonarray_ctor_reference): Likewise.
3059 * gimple-ssa-strength-reduction.c (restructure_reference): Likewise.
3060 * tree-dfa.c (get_ref_base_and_extent): Likewise.
3061 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Likewise.
3062 (stmt_kills_ref_p): Likewise.
3063 * tree-ssa-ccp.c (bit_value_binop_1): Likewise.
3064 * tree-ssa-math-opts.c (find_bswap_or_nop_load): Likewise.
3065 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
3066 (ao_ref_init_from_vn_reference): Likewise.
3068 2016-05-02 Richard Sandiford <richard.sandiford@arm.com>
3070 * wide-int.h: Update offset_int and widest_int documentation.
3071 (WI_SIGNED_BINARY_PREDICATE_RESULT): New macro.
3072 (wi::binary_traits): Allow ordered comparisons between offset_int and
3073 offset_int, between widest_int and widest_int, and between either
3074 of these types and basic C types.
3075 (operator <, <=, >, >=): Define for the same combinations.
3076 * tree.h (tree_int_cst_lt): Use comparison operators instead
3077 of wi:: comparisons.
3078 (tree_int_cst_le): Likewise.
3079 * gimple-fold.c (fold_array_ctor_reference): Likewise.
3080 (fold_nonarray_ctor_reference): Likewise.
3081 * gimple-ssa-strength-reduction.c (record_increment): Likewise.
3082 * tree-affine.c (aff_comb_cannot_overlap_p): Likewise.
3083 * tree-parloops.c (try_transform_to_exit_first_loop_alt): Likewise.
3084 * tree-sra.c (completely_scalarize): Likewise.
3085 * tree-ssa-alias.c (stmt_kills_ref_p): Likewise.
3086 * tree-ssa-reassoc.c (extract_bit_test_mask): Likewise.
3087 * tree-vrp.c (extract_range_from_binary_expr_1): Likewise.
3088 (check_for_binary_op_overflow): Likewise.
3089 (search_for_addr_array): Likewise.
3090 * ubsan.c (ubsan_expand_objsize_ifn): Likewise.
3092 2016-05-02 Claudiu Zissulescu <claziss@synopsys.com>
3094 * config/arc/arc.c (arc_preferred_simd_mode): Remove enum keyword.
3095 (arc_save_restore): Likewise.
3096 (arc_dwarf_register_span): Likewise.
3097 (arc_output_pic_addr_const): Initialize suffix variable.
3099 2016-05-02 Martin Liska <mliska@suse.cz>
3101 * symbol-summary.h (function_summary::function_summary):
3102 Remove checking assert for all cgraph nodes.
3103 (function_summary::get): Check summary_uid.
3104 (symtab_insertion): Check summary_uid.
3106 2016-05-02 Claudiu Zissulescu <claziss@synopsys.com>
3108 * config/arc/arc-protos.h (compact_memory_operand_p): Declare.
3109 * config/arc/arc.c (arc_output_commutative_cond_exec): Consider
3110 bmaskn instruction.
3111 (arc_dwarf_register_span): Remove enum keyword.
3112 (compact_memory_operand_p): New function.
3113 * config/arc/arc.h (reg_class): Add code density register classes.
3114 (REG_CLASS_NAMES): Likewise.
3115 (REG_CLASS_CONTENTS): Likewise.
3116 * config/arc/arc.md (*movqi_insn): Add code density instructions.
3117 (*movhi_insn, *movsi_insn, *movsf_insn): Likewise.
3118 (*extendhisi2_i, andsi3_i, cmpsi_cc_insn_mixed): Likewise.
3119 (*cmpsi_cc_c_insn, *movsi_ne): Likewise.
3120 * config/arc/constraints.md (C2p, Uts, Cm1, Cm3, Ucd): New
3121 constraints.
3122 (h, Rcd, Rsd, Rzd): New register constraints.
3123 (T): Use compact_memory_operand_p function.
3124 * config/arc/predicates.md (compact_load_memory_operand): Remove.
3126 2016-05-02 Oleg Endo <olegendo@gcc.gnu.org>
3128 * config/sh/sh.md (*negnegt, *movtt): Remove.
3130 2016-05-02 Marek Polacek <polacek@redhat.com>
3131 Tom de Vries <tom@codesourcery.com>
3133 PR tree-optimization/70700
3134 * tree-ssa-structalias.c (dump_pred_graph): Fix getting varinfo for ids
3135 bigger than FIRST_REF_NODE.
3137 2016-05-02 Oleg Endo <olegendo@gcc.gnu.org>
3139 PR target/52898
3140 * config/sh/sh.c (sh_option_override): Remove TARGET_CBRANCHDI4,
3141 TARGET_CMPEQDI_T.
3142 (prepare_cbranch_operands): Don't use scratch register. Assume that
3143 function is used when pseudos can be created.
3144 (expand_cbranchdi4): Likewise. Remove unused TARGET_CMPEQDI_T paths.
3145 * config/sh/sh.md (cbranchsi4): Allow only when pseudos can be created.
3146 (cbranchdi4, cbranchdi4_i): Simplify to single cbranchdi4
3147 define_expand. Allow it only when pseudos can be created.
3148 * config/sh/sh.opt (mcbranchdi, mcmpeqdi): Delete.
3150 2016-05-01 Uros Bizjak <ubizjak@gmail.com>
3152 * config/i386/constraints.md (BC): Only allow -1 operands.
3153 * config/i386/sse.md (mov<mode>_internal): Add (v,C) alternative.
3154 Add "enabled" attribute. Update XI mode attribute calculation.
3155 * config/i386/i386.md (*movxi_internal_avx512f): Add (v,C) alternative.
3156 (*movoi_internal_avx): Update XI mode attribute calculation.
3157 (*movti_internal): Ditto.
3159 2016-05-01 Oleg Endo <olegendo@gcc.gnu.org>
3161 * config/sh/sh.md (push, pop, ic_invalidate_line, cstoresi4, cstoredi4,
3162 cstoresf4, cstoredf4, fix_truncsfsi2): Remove constraints.
3164 2016-05-01 Eric Botcazou <ebotcazou@adacore.com>
3166 * config/rs6000/rs6000.c (altivec_expand_lv_builtin): Do not use switch
3167 statement on instruction code. Remove trailing spaces.
3168 (altivec_expand_stv_builtin): Likewise.
3170 2016-05-01 Oleg Endo <olegendo@gcc.gnu.org>
3172 * config/sh/sh.h (TARGET_SH4): Remove and use default implementation.
3173 (TARGET_FPU_DOUBLE): Simplify.
3174 (BASE_ARG_REG, DOUBLE_TYPE_SIZE, OPTIMIZE_MODE_SWITCHING): Replace
3175 'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions with 'TARGET_FPU_DOUBLE'.
3176 * config/sh/sh.c: Replace 'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions
3177 with 'TARGET_FPU_DOUBLE'.
3178 * config/sh/sh.md: Likewise.
3180 2016-05-01 Yoshinori Sato <ysato@users.sourceforge.jp>
3182 * config/sh/linux.h (SH_DIV_STRATEGY_DEFAULT,
3183 SH_DIV_STR_FOR_SIZE): Remove.
3184 * config/sh/netbsd-elf.h (SH_DIV_STRATEGY_DEFAULT,
3185 SH_DIV_STR_FOR_SIZE): Remove.
3187 2016-05-01 Oleg Endo <olegendo@gcc.gnu.org>
3189 * config/sh/predicates.md (any_register_operand, zero_extend_operand,
3190 logical_reg_operand): Delete.
3191 (arith_operand, arith_reg_dest, arith_or_int_operand, cmpsi_operand,
3192 arith_reg_or_0_operand, arith_reg_or_0_or_1_operand, logical_operand,
3193 logical_and_operand, movsrc_no_disp_mem_operand): Rewrite using
3194 match_operand and match_test.
3195 (sh_const_vec, sh_1el_vec): Remove redundant checks. Declare local
3196 variables on their first use. Return bool values.
3197 * config/sh/sh.h (LOAD_EXTEND_OP): Update comment.
3198 * config/sh/sh.md (andsi3, iorsi3): Use arith_reg_dest for result and
3199 arith_reg_operand for input operand. Remove empty constraints.
3200 (xorsi3): Delete.
3201 (*xorsi3_compact): Rename to xorsi3.
3202 (zero_extend<mode>si2): Use arith_reg_operand for input operand.
3203 (*zero_extend<mode>si2_disp_mem): Update comment.
3204 (mov_nop): Delete.
3206 2016-04-30 Oleg Endo <olegendo@gcc.gnu.org>
3208 * config/sh/t-sh: Remove SH5 support.
3209 * config.gcc: Likewise.
3210 * configure: Likewise.
3212 2016-04-30 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3214 * config/darwin.h (LINK_COMMAND_SPEC_A): Handle -fcilkplus.
3216 2016-04-30 Oleg Endo <olegendo@gcc.gnu.org>
3218 * config/sh/sh.c (register_sh_passes, sh_option_override,
3219 sh_print_operand, prepare_move_operands,
3220 sh_can_follow_jump): Remove TARGET_SH1 checks.
3221 * config/sh/sh.h (TARGET_VARARGS_PRETEND_ARGS, VALID_REGISTER_P,
3222 PROMOTE_MODE): Likewise.
3223 * config/sh/sh.md (adddi3, addsi3, subdi3, subsi3, andsi3,
3224 movdi): Likewise.
3226 2016-04-30 Alan Modra <amodra@gmail.com>
3228 * config/rs6000/rs6000.c (rs6000_savres_strategy): Force inline
3229 restoring when fixed_reg_p, but allow out-of-line or stmw save.
3230 Check for user regs later to avoid unnecessary looping over regs.
3231 Merge user reg check with non-saved reg check. Don't force
3232 inline VR restore when static chain used.
3233 (rs6000_frame_related): Omit eh_frame info for user regs when
3234 saving.
3235 (fixed_regs_p): Delete.
3237 2016-04-30 Alan Modra <amodra@gmail.com>
3239 * config/rs6000/rs6000.c (SAVRES_MULTIPLE): Replace with..
3240 (SAVE_STRATEGY, REST_STRATEGY): ..this. Renumber and sort enum.
3241 Update all uses.
3243 2016-04-30 Alan Modra <amodra@gmail.com>
3245 PR target/69645
3246 * config/rs6000/rs6000.c (fixed_reg_p): New function.
3247 (fixed_regs_p): Rename from global_regs_p. Call fixed_reg_p.
3248 Update all uses.
3250 2016-04-30 Alan Modra <amodra@gmail.com>
3252 * config/rs6000/rs6000.c (rs6000_conditional_register_usage):
3253 Remove redundant PIC_OFFSET_TABLE_REGNUM test. Replace with
3254 flag_pic test for Darwin.
3256 2016-04-30 Alan Modra <amodra@gmail.com>
3258 * regs.h (struct reg_info_t): Delete freq_calls_crossed and
3259 throw_calls_crossed.
3260 (REG_FREQ_CALLS_CROSSED): Delete.
3261 (REG_N_THROWING_CALLS_CROSSED): Delete.
3262 * regstat.c (regstat_bb_compute_ri): Don't calculate
3263 REG_FREQ_CALLS_CROSSED and REG_N_THROWING_CALLS_CROSSED.
3264 (dump_reg_info): Don't print call cross frequency.
3265 * ira.c (combine_and_move_insns): Don't set REG_FREQ_CALLS_CROSSED
3266 and REG_N_THROWING_CALLS_CROSSED.
3268 2016-04-30 Alan Modra <amodra@gmail.com>
3270 * regs.h (struct reg_info_t): Delete live_length.
3271 (REG_LIVE_LENGTH): Delete macro.
3272 * regstat.c (regstat_bb_compute_ri): Delete artificial_uses,
3273 local_live, local_processed and local_live_last_luid params.
3274 Replace bb_index param with bb. Don't set REG_LIVE_LENGTH.
3275 Formatting fixes.
3276 (regstat_compute_ri): Adjust for above. Don't set
3277 REG_LIVE_LENGTH.
3278 (dump_reg_info): Don't print live length.
3279 * ira.c (update_equiv_regs): Replace test of REG_LIVE_LENGTH
3280 with test of setjmp_crosses. Don't set REG_LIVE_LENGTH.
3281 Localize loop_depth var.
3283 2016-04-30 Alan Modra <amodra@gmail.com>
3285 * ira.c (enum valid_equiv): New.
3286 (validate_equiv_mem): Return enum.
3287 (update_equiv_mem): Create replacement in more cases.
3288 (add_store_equivs): Update validate_equiv_mem call.
3290 2016-04-30 Alan Modra <amodra@gmail.com>
3292 * ira.c (combine_and_move_insns): Rather than scanning insns,
3293 use DF infrastucture to find use and def insns.
3295 2016-04-30 Alan Modra <amodra@gmail.com>
3297 ira.c (combine_and_move_insns): Move invariant conditions..
3298 (ira.c): ..to here. Call combine_and_move_insns before
3299 add_store_equivs. Call grow_reg_equivs later. Allocate
3300 req_equiv later using max_reg_num() rather than global max_regno.
3301 (contains_replace_regs): Delete.
3302 (add_store_equivs): Remove contains_replace_regs test.
3304 2016-04-30 Alan Modra <amodra@gmail.com>
3306 * ira.c (struct equiv_mem_data): New.
3307 (equiv_mem, equiv_mem_modified): Delete static vars.
3308 (validate_equiv_mem_from_store): Use "data" param to communicate..
3309 (validate_equiv_mem): ..from here.
3311 2016-04-30 Alan Modra <amodra@gmail.com>
3313 * ira.c (add_store_equivs, combine_and_move_insns): New functions,
3314 split out from..
3315 (update_reg_equivs): ..here. Move allocation and freeing of
3316 reg_equiv, and calls to grow_reg_equivs, init_alias_analysis,
3317 end_alias_analysis to..
3318 (ira): ..here.
3320 2016-04-30 Alan Modra <amodra@gmail.com>
3322 * ira.c (pdx_subregs): Delete.
3323 (struct equivalence): Add pdx_subregs field.
3324 (set_paradoxical_subreg): Remove pdx_subregs param. Update
3325 pdx_subregs access.
3326 (update_equiv_regs): Don't create or free pdx_subregs. Update
3327 pdx_subregs access.
3329 2016-04-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3331 * config/rs6000/altivec.h: Change definitions of vec_xl and
3332 vec_xst.
3333 * config/rs6000/rs6000-builtin.def (LD_ELEMREV_V2DF): New.
3334 (LD_ELEMREV_V2DI): New.
3335 (LD_ELEMREV_V4SF): New.
3336 (LD_ELEMREV_V4SI): New.
3337 (LD_ELEMREV_V8HI): New.
3338 (LD_ELEMREV_V16QI): New.
3339 (ST_ELEMREV_V2DF): New.
3340 (ST_ELEMREV_V2DI): New.
3341 (ST_ELEMREV_V4SF): New.
3342 (ST_ELEMREV_V4SI): New.
3343 (ST_ELEMREV_V8HI): New.
3344 (ST_ELEMREV_V16QI): New.
3345 (XL): New.
3346 (XST): New.
3347 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
3348 descriptions for VSX_BUILTIN_VEC_XL and VSX_BUILTIN_VEC_XST.
3349 * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Map from
3350 TARGET_P9_VECTOR to RS6000_BTM_P9_VECTOR.
3351 (altivec_expand_builtin): Add handling for
3352 VSX_BUILTIN_ST_ELEMREV_<MODE> and VSX_BUILTIN_LD_ELEMREV_<MODE>.
3353 (rs6000_invalid_builtin): Add error-checking for
3354 RS6000_BTM_P9_VECTOR.
3355 (altivec_init_builtins): Define builtins used to implement vec_xl
3356 and vec_xst.
3357 (rs6000_builtin_mask_names): Define power9-vector.
3358 * config/rs6000/rs6000.h (MASK_P9_VECTOR): Define.
3359 (RS6000_BTM_P9_VECTOR): Define.
3360 (RS6000_BTM_COMMON): Include RS6000_BTM_P9_VECTOR.
3361 * config/rs6000/vsx.md (vsx_ld_elemrev_v2di): New define_insn.
3362 (vsx_ld_elemrev_v2df): Likewise.
3363 (vsx_ld_elemrev_v4sf): Likewise.
3364 (vsx_ld_elemrev_v4si): Likewise.
3365 (vsx_ld_elemrev_v8hi): Likewise.
3366 (vsx_ld_elemrev_v16qi): Likewise.
3367 (vsx_st_elemrev_v2df): Likewise.
3368 (vsx_st_elemrev_v2di): Likewise.
3369 (vsx_st_elemrev_v4sf): Likewise.
3370 (vsx_st_elemrev_v4si): Likewise.
3371 (vsx_st_elemrev_v8hi): Likewise.
3372 (vsx_st_elemrev_v16qi): Likewise.
3373 * doc/extend.texi: Add prototypes for vec_xl and vec_xst. Correct
3374 grammar.
3376 2016-04-29 Patrick Palka <ppalka@gcc.gnu.org>
3378 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Split
3379 out into ...
3380 (simplify_control_stmt_condition_1): ... here. Recurse into
3381 BIT_AND_EXPRs and BIT_IOR_EXPRs.
3383 2016-04-29 David Edelsohn <dje.gcc@gmail.com>
3385 PR target/69810
3386 * config/rs6000/rs6000.md (EXTQI): Don't allow extension to HImode.
3387 (zero_extendqi<mode>2_dot): Revert earlier conversion from
3388 define_insn_and_split to define_insn.
3389 (zero_extendqi<mode>2_dot2): Same.
3390 (extendqi<mode>2_dot): Same.
3391 (extendqi<mode>2_dot2): Same.
3393 2016-04-29 Uros Bizjak <ubizjak@gmail.com>
3395 * config/i386/i386.md (unspec): Add UNSPEC_PROBE_STACK.
3396 (probe_stack): New expander.
3397 (probe_stack_<mode>): New insn pattern.
3399 2016-04-29 Uros Bizjak <ubizjak@gmail.com>
3401 * config/i386/i386.md
3402 (operations with memory inputs setting flags peephole2):
3403 Remove uneeded REG_P checks. Cleanup pattern generation.
3405 2016-04-29 Ilya Enkovich <ilya.enkovich@intel.com>
3407 * tree-vect-loop.c (vect_transform_loop): Fix
3408 nb_iterations_upper_bound computation for vectorized loop.
3410 2016-04-29 Marek Polacek <polacek@redhat.com>
3411 Jakub Jelinek <jakub@redhat.com>
3413 PR sanitizer/70342
3414 * fold-const.c (tree_single_nonzero_warnv_p): For TARGET_EXPR, use
3415 TARGET_EXPR_SLOT as a base.
3417 2016-04-29 Andrew Burgess <andrew.burgess@embecosm.com>
3419 * config/arc/arc.md (*loadqi_update): Replace use of 'rI' constraint
3420 with 'rCm2' constraints to limit possible immediate size.
3421 (*load_zeroextendqisi_update): Likewise.
3422 (*load_signextendqisi_update): Likewise.
3423 (*loadhi_update): Likewise.
3424 (*load_zeroextendhisi_update): Likewise.
3425 (*load_signextendhisi_update): Likewise.
3426 (*loadsi_update): Likewise.
3427 (*loadsf_update): Likewise.
3429 2016-04-29 Uros Bizjak <ubizjak@gmail.com>
3431 * config/i386/predicates.md (constm1_operand): Fix comparison.
3433 2016-04-29 Claudiu Zissulescu <claziss@synopsys.com>
3435 * testsuite/gcc.target/arc/ieee_eq.c: New test.
3437 2016-04-29 Oleg Endo <olegendo@gcc.gnu.org>
3439 * common/config/sh/sh-common.c (sh_option_optimization_table): Remove
3440 remaining SH5 related settings.
3441 * config/sh/sh-protos.h (shmedia_cleanup_truncate,
3442 shmedia_prepare_call_address): Delete.
3443 * config/sh/sh.c (sh_print_operand, output_stack_adjust,
3444 DWARF_CIE_DATA_ALIGNMENT, LOCAL_ALIGNMENT): Update comments.
3445 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC,
3446 UNSUPPORTED_SH2A): Remove m5 checks.
3447 (sh_divide_strategy_e): Remove SH5 division strategies.
3448 (TARGET_PTRMEMFUNC_VBIT_LOCATION): Remove and use default.
3449 * config/sh/sh.md (divsf3): Reinstate define_expand pattern.
3451 2016-04-29 Dominik Vogt <vogt@linux.vnet.ibm.com>
3453 * config/s390/s390.c (s390_rtx_costs): Update documentation.
3455 2016-04-29 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
3457 * config/s390/2964.md ("z13_unit_fxu", "z13_0"): Remove lder.
3458 * config/s390/s390.md ("movsi_larl", "*movsi_esa", "mov<mode>"):
3459 Change lder to ldr.
3460 * config/s390/vector.md ("mov<mode>"): Likewise.
3462 2016-04-29 Ulrich Weigand <uweigand@de.ibm.com>
3464 * config/s390/constraints.md ("U", "W"): Invoke
3465 s390_mem_constraint with "ZR" and "ZT".
3466 * config/s390/s390.c (s390_check_qrst_address): Reject invalid
3467 addresses when using LRA. Accept also short displacements for S
3468 and T constraints. Do not check for long displacement target for
3469 S and T constraints.
3470 (s390_mem_constraint): Remove handling of U and W constraints.
3471 * config/s390/s390.md (various patterns): Remove the short
3472 displacement constraints (Q and R) if a long displacement
3473 constraint is present. Add longdisp as required CPU capability.
3474 * config/s390/vector.md: Likewise.
3475 * config/s390/vx-builtins.md: Likewise.
3477 2016-04-29 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
3479 PR target/60040
3480 * reload1.c (reload): Call finish_spills before
3481 restarting reload loop. Skip select_reload_regs
3482 if update_eliminables_and_spill returns true.
3484 2016-04-29 Claudiu Zissulescu <claziss@synopsys.com>
3486 * config/arc/arc.h (UNSIGNED_INT12, UNSIGNED_INT16): Define.
3487 * config/arc/arc.md (umulhisi3): Use arc_short_operand predicate.
3488 (umulhisi3_imm): Update predicates and constraint letters.
3489 (umulhisi3_reg): Declare instruction as commutative.
3490 * config/arc/constraints.md (J12, J16): New constraints.
3491 * config/arc/predicates.md (short_unsigned_const_operand): New
3492 predicate.
3493 (arc_short_operand): Likewise.
3494 * testsuite/gcc.target/arc/umulsihi3_z.c: New file.
3496 2016-04-29 Richard Biener <rguenther@suse.de>
3498 PR tree-optimization/13962
3499 PR tree-optimization/65686
3500 * tree-ssa-alias.h (ptrs_compare_unequal): Declare.
3501 * tree-ssa-alias.c (ptrs_compare_unequal): New function
3502 using PTA to compare pointers.
3503 * match.pd: Add pattern for pointer equality compare simplification
3504 using ptrs_compare_unequal.
3506 2016-04-29 Richard Biener <rguenther@suse.de>
3508 * stor-layout.c (layout_type): Do not build a pointer-to-element
3509 type for arrays.
3511 2016-04-29 Uros Bizjak <ubizjak@gmail.com>
3513 * config/i386/i386.md (Load+RegOp to Mov+MemOp peephole2):
3514 Use SWI mode iterator. Use general_reg_operand predicate.
3515 (Load+RegOp to Mov+MemOp peephole2 with vector regs): Split
3516 peephole to MMX and SSE part. Use mmx_reg_operand and sse_reg_operand
3517 predicates.
3519 2016-04-29 Jakub Jelinek <jakub@redhat.com>
3521 PR middle-end/70843
3522 * fold-const.c (operand_equal_p): Don't verify hash value equality
3523 if arg0 == arg1.
3524 * tree.c (inchash::add_expr): Handle STATEMENT_LIST. Ignore BLOCK
3525 and OMP_CLAUSE.
3527 2016-04-28 Jakub Jelinek <jakub@redhat.com>
3529 PR target/70858
3530 * config/i386/i386.c (bdesc_special_args): Add | OPTION_MASK_ISA_64BIT
3531 to __builtin_ia32_lwpval64 and __builtin_ia32_lwpins64.
3532 (bdesc_args): Add | OPTION_MASK_ISA_64BIT to __builtin_ia32_bextr_u64,
3533 __builtin_ia32_bextri_u64, __builtin_ia32_bzhi_di,
3534 __builtin_ia32_pdep_di and __builtin_ia32_pext_di.
3536 2016-04-28 Segher Boessenkool <segher@kernel.crashing.org>
3538 * config/rs6000/rs6000.c (compute_save_world_info): Rename info_ptr
3539 to info. Don't initialize separate fields to 0. Clean up
3540 formatting a bit.
3542 2016-04-28 Uros Bizjak <ubizjak@gmail.com>
3544 * config/i386/i386.md (peephole2s for operations with memory inputs):
3545 Use SWI mode iterator.
3546 (peephole2s for operations with memory outputs): Ditto.
3547 Do not check for stack checking probe.
3549 (probe_stack): Remove expander.
3551 2016-04-28 Joern Rennecke <joern.rennecke@embecosm.com>
3552 Andrew Burgess <andrew.burgess@embecosm.com>
3554 * config/arc/arc.c (arc_print_operand): Print integer 'H' / 'L'
3555 operands as 32-bits.
3557 2016-04-28 Jason Merrill <jason@redhat.com>
3559 * gdbinit.in: Skip line-map.h.
3561 2016-04-28 Joern Rennecke <joern.rennecke@embecosm.com>
3562 Andrew Burgess <andrew.burgess@embecosm.com>
3564 * config/arc/arc.c (arc_conditional_register_usage): Take
3565 TARGET_RRQ_CLASS into account.
3566 (arc_print_operand): Support printing 'p' and 's' operands.
3567 * config/arc/arc.h (TARGET_NPS_BITOPS_DEFAULT): Provide default
3568 as 0.
3569 (TARGET_RRQ_CLASS): Define.
3570 (IS_POWEROF2_OR_0_P): Define.
3571 * config/arc/arc.md (*movsi_insn): Add w/Clo, w/Chi, and w/Cbi
3572 alternatives.
3573 (*tst_movb): New define_insn.
3574 (*tst): Avoid recognition if it could prevent '*tst_movb'
3575 combination; replace c/CnL with c/Chs alternative.
3576 (*tst_bitfield_tst): New define_insn.
3577 (*tst_bitfield_asr): New define_insn.
3578 (*tst_bitfield): New define_insn.
3579 (andsi3_i): Add Rrq variant.
3580 (extzv): New define_expand.
3581 (insv): New define_expand.
3582 (*insv_i): New define_insn.
3583 (*movb): New define_insn.
3584 (*movb_signed): New define_insn.
3585 (*movb_high): New define_insn.
3586 (*movb_high_signed): New define_insn.
3587 (*movb_high_signed + 1): New define_split pattern.
3588 (*mrgb): New define_insn.
3589 (*mrgb + 1): New define_peephole2 pattern.
3590 (*mrgb + 2): New define_peephole2 pattern.
3591 * config/arc/arc.opt (mbitops): New option for nps400, uses
3592 TARGET_NPS_BITOPS_DEFAULT.
3593 * config/arc/constraints.md (q): Make register class conditional.
3594 (Rrq): New register constraint.
3595 (Chs): New constraint.
3596 (Clo): New constraint.
3597 (Chi): New constraint.
3598 (Cbf): New constraint.
3599 (Cbn): New constraint.
3600 (C18): New constraint.
3601 (Cbi): New constraint.
3603 2016-04-28 Segher Boessenkool <segher@kernel.crashing.org>
3605 * cfganal.c (bitmap_intersection_of_succs): Delete assert checking
3606 dst->popcount.
3607 (bitmap_intersection_of_preds): Ditto.
3608 (bitmap_union_of_succs): Ditto.
3609 (bitmap_union_of_preds): Ditto.
3610 * sbitmap.c (do_popcount): Delete.
3611 (BITMAP_DEBUGGING): Delete.
3612 (sbitmap_verify_popcount): Delete.
3613 (sbitmap_alloc): Don't initialize the popcount field.
3614 (sbitmap_alloc_with_popcount): Delete.
3615 (sbitmap_resize): Don't resize the popcount array.
3616 (sbitmap_vector_alloc): Don't initialize the popcount field.
3617 (bitmap_copy): Don't copy the popcount array.
3618 (bitmap_clear): Don't clear the popcount array.
3619 (bitmap_clear): Delete the popcount array handling.
3620 (bitmap_ior_and_compl): Delete the popcount assert.
3621 (bitmap_not): Ditto.
3622 (bitmap_and_compl): Ditto.
3623 (bitmap_and): Delete the popcount array handling.
3624 (bitmap_xor): Ditto.
3625 (bitmap_ior): Ditto.
3626 (bitmap_or_and): Delete the popcount assert.
3627 (bitmap_and_or): Ditto.
3628 (popcount_table): Delete.
3629 (sbitmap_elt_popcount): Delete.
3630 * sbitmap.h (simple_bitmap_def): Delete the popcount field.
3631 (bitmap_set_bit): Delete the popcount assert.
3632 (bitmap_clear_bit): Ditto.
3633 (sbitmap_free): Don't free the popcount array.
3634 (sbitmap_alloc_with_popcount): Delete declaration.
3635 (sbitmap_popcount): Ditto.
3637 2016-04-28 Joern Rennecke <joern.rennecke@embecosm.com>
3638 Andrew Burgess <andrew.burgess@embecosm.com>
3640 * config/arc/arc.h (SYMBOL_FLAG_CMEM): Define.
3641 (TARGET_NPS_CMEM_DEFAULT): Provide default definition.
3642 * config/arc/arc.c (arc_address_cost): Return 0 for cmem_address.
3643 (arc_encode_section_info): Set SYMBOL_FLAG_CMEM where indicated.
3644 * config/arc/arc.opt (mcmem): New option.
3645 * config/arc/arc.md (*extendqihi2_i): Add r/Uex alternative,
3646 supply length for r/m alternative.
3647 (*extendqisi2_ac): Likewise.
3648 (*extendhisi2_i): Add r/Uex alternative, supply length for r/m and
3649 r/Uex alternative.
3650 (movqi_insn): Add r/Ucm and Ucm/?Rac alternatives.
3651 (movhi_insn): Likewise.
3652 (movsi_insn): Add r/Ucm,Ucm/w alternatives.
3653 (*zero_extendqihi2_i): Add r/Ucm alternative.
3654 (*zero_extendqisi2_ac): Likewise.
3655 (*zero_extendhisi2_i): Likewise.
3656 * config/arc/constraints.md (Uex): New memory constraint.
3657 (Ucm): New define_constraint.
3658 * config/arc/predicates.md (long_immediate_loadstore_operand):
3659 Return 0 for MEM with cmem_address address.
3660 (cmem_address_0): New predicates.
3661 (cmem_address_1): Likewise.
3662 (cmem_address_2): Likewise.
3663 (cmem_address): Likewise.
3665 2016-04-28 Segher Boessenkool <segher@kernel.crashing.org>
3667 * config/rs6000/rs6000.c (machine_function): Rename
3668 insn_chain_scanned_p to spe_insn_chain_scanned_p.
3669 (rs6000_stack_info): Adjust.
3671 2016-04-28 Joern Rennecke <joern.rennecke@embecosm.com>
3672 Andrew Burgess <andrew.burgess@embecosm.com>
3674 * config/arc/constraints.md (Usd): Convert to define_constraint.
3675 (Us<): Likewise.
3676 (Us>): Likewise.
3678 2016-04-28 Jakub Jelinek <jakub@redhat.com>
3680 PR target/70821
3681 * config/i386/sync.md (define_peephole2 *atomic_fetch_add_cmp<mode>):
3682 Add new peephole2 where the first insn is *mov<mode>_or instead of
3683 *mov<mode>_internal.
3685 2016-04-28 Segher Boesssenkool <segher@kernel.crashing.org>
3687 * tracer.c (bb_seen): Make static.
3689 2016-04-28 Andrew Burgess <andrew.burgess@embecosm.com>
3691 * common/config/arc/arc-common.c (arc_handle_option): Add NPS400
3692 support, setup defaults.
3693 * config/arc/arc-opts.h (enum processor_type): Add NPS400.
3694 * config/arc/arc.c (arc_init): Add NPS400 support.
3695 * config/arc/arc.h (CPP_SPEC): Add NPS400 defines.
3696 (TARGET_ARC700): NPS400 is also an ARC700.
3697 * config/arc/arc.opt: Add NPS400 options to -mcpu=.
3699 2016-04-28 Segher Boessenkool <segher@kernel.crashing.org>
3701 PR target/70668
3702 * config/nds32/nds32.md (casesi): Don't access the operands array
3703 out of bounds.
3705 2016-04-28 Uros Bizjak <ubizjak@gmail.com>
3707 * config/i386/i386.md (zeroing peephole2): Use general_reg_operand.
3708 (or $-1,reg peephole2): Ditto.
3709 (strict_low_part zeroing peephole2): Use SWI12 mode iterator.
3711 2016-04-28 Markus Trippelsdorf <markus@trippelsdorf.de>
3713 * doc/extend.texi (Common Function Attributes) [optimize]:
3714 Discourage use of the optimize attribute.
3716 2016-04-28 Bill Seurer <seurer@linux.vnet.ibm.com>
3718 * config/rs6000/rs6000-builtin.def (vec_adde): Change vec_adde to a
3719 special case builtin.
3720 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Remove
3721 ALTIVEC_BUILTIN_VEC_ADDE.
3722 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
3723 support for ALTIVEC_BUILTIN_VEC_ADDE.
3724 * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
3725 for __builtin_vec_adde.
3727 2016-04-28 Jakub Jelinek <jakub@redhat.com>
3729 * config/i386/i386.md (sse4_1_round<mode>2): Add avx512f alternative.
3730 * config/i386/sse.md (sse4_1_round<ssescalarmodesuffix>): Likewise.
3732 2016-04-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3734 PR testsuite/70595
3735 * doc/sourcebuild.texi (Effective-Target Keywords, Other
3736 attributes): Document cilkplus_runtime.
3738 2016-04-28 Martin Jambor <mjambor@suse.cz>
3740 * tree-cfg.c (verify_expr): Verify that local declarations belong to
3741 this function. Call verify_expr on MEM_REFs and bases of other
3742 handled_components.
3744 2016-04-28 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3746 * internal-fn.c (expand_arith_overflow): Convert preprocessor check
3747 for WORD_REGISTER_OPERATIONS to runtime check.
3749 2016-04-28 Claudiu Zissulescu <claziss@synopsys.com>
3751 * config/arc/arc.h (ASM_SPEC): Pass mfpuda to assembler.
3753 2016-04-28 Claudiu Zissulescu <claziss@synopsys.com>
3755 * config/arc/arc.c (arc_process_double_reg_moves): Fix for
3756 big-endian compilation.
3757 * config/arc/arc.md (addf3): Likewise.
3758 (subdf3): Likewise.
3759 (muldf3): Likewise.
3761 2016-04-28 Richard Biener <rguenther@suse.de>
3763 PR tree-optimization/70840
3764 * match.pd: powi(-x, y) and powi(|x|,y) -> powi(x,y) if y is even;
3765 Fix pow(copysign(x, y), z) -> pow(x, z) and add powi variant;
3766 Mark x * pow(x,c) -> pow(x,c+1) commutative.
3767 Add powi(x,y) * powi(z,y) -> powi(x*z,y).
3769 2015-04-28 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3771 * config/aarch64/aarch64.h (WORD_REGISTER_OPERATIONS): Define to 0
3772 and explain why in a comment.
3774 2016-04-28 Claudiu Zissulescu <claziss@synopsys.com>
3776 * config/arc/arc.md (cpu_facility): Add fpx variant.
3777 (subdf3): Prohibit use reverse sub when assist operations option
3778 is enabled.
3779 * config/arc/fpx.md (subdf3_insn, *dsubh_peep2_insn): Allow drsub
3780 instructions only when FPX is enabled.
3781 * testsuite/gcc.target/arc/trsub.c: New test.
3783 2016-04-28 Uros Bizjak <ubizjak@gmail.com>
3785 * config/i386/i386.md (*fop_<mode>_1_mixed): Do not check for
3786 mult_operator when calculating "type" attribute.
3787 (*fop_<mode>_1_i387): Ditto.
3788 (*fop_xf_1_i387): Ditto.
3789 (x87 stack loads peephole2): Add "reg = op (mem, reg)" peephole2.
3790 Use std::swap to swap operands. Use RTL expressions to generate
3791 converted pattern.
3793 2016-04-28 Claudiu Zissulescu <claziss@synopsys.com>
3794 Joern Rennecke <joern.rennecke@embecosm.com>
3796 * config/arc/arc-protos.h (arc_legitimize_pic_address): Remove
3797 declaration.
3798 (emit_pic_move): Remove.
3799 (arc_eh_uses, insn_is_tls_gd_dispatch): Declare.
3800 * config/arc/arc.c (emit_pic_move): Removed.
3801 (TARGET_HAVE_TLS): Define.
3802 (arc_conditional_register_usage): Test for arc_tp_regno.
3803 (arc_print_operand, arc_print_operand_address): Handle TLS
3804 unspecs.
3805 (arc_needs_pcl_p): New function.
3806 (arc_legitimate_pc_offset_p): Use arc_needs_pcl_p.
3807 (arc_legitimate_pic_addr_p): Handle TLS unspecs.
3808 (arc_raw_symbolic_reference_mentioned_p): Likewise.
3809 (arc_get_tp, arc_emit_call_tls_get_addr): New function.
3810 (arc_legitimize_tls_address): Likewise.
3811 (DTPOFF_ZERO_SYM): Define.
3812 (arc_legitimize_pic_address): Make it static, handle TLS cases.
3813 (arc_output_pic_addr_const): Print TLS unspecs.
3814 (prepare_pic_move): New function, replaces emit_pic_move.
3815 (arc_legitimate_constant_p): Handle TLS unspecs.
3816 (arc_legitimate_address_p): Likewise.
3817 (arc_rewrite_small_data_p): Use assert for TLS constants.
3818 (prepare_move_operands): Use prepare_pic_move.
3819 (arc_legitimize_address): Legitimize tls addresses.
3820 (arc_epilogue_uses): Check for arc_tp_regno.
3821 (arc_eh_uses, insn_is_tls_gd_dispatch): New function.
3822 * config/arc/arc.h [DEFAULT_LIBC != LIBC_UCLIBC] (EXTRA_SPECS):
3823 Define.
3824 [DEFAULT_LIBC != LIBC_UCLIBC] (ARC_TLS_EXTRA_START_SPEC):
3825 Likewise.
3826 [DEFAULT_LIBC != LIBC_UCLIBC] (STARTFILE_SPEC): Add
3827 %(arc_tls_extra_start_spec).
3828 (TARGET_CPU_CPP_BUILTINS): Define __ARC_TLS_REGNO__.
3829 (REGNO_OK_FOR_BASE_P): Check for arc_tp_regno.
3830 (EH_USES): Define.
3831 (INSN_REFERENCES_ARE_DELAYED): Use insn_is_tls_gd_dispatch.
3832 * config/arc/arc.md (UNSPEC_TLS_GD, UNSPEC_TLS_LD, UNSPEC_TLS_IE)
3833 (UNSPEC_TLS_OFF): Add.
3834 (R10_REG): Define.
3835 (tls_load_tp_soft, tls_gd_load, tls_gd_get_addr, tls_gd_dispatch)
3836 (get_thread_pointersi): New patterns.
3837 * config/arc/arc.opt (mtp-regno): New option.
3838 * config/arc/predicates.md (move_src_operand): Handle TLS symbols.
3839 (move_dest_operand): Likewise.
3840 * configure: Regenerate.
3841 * configure.ac: Add arc*-*-* case to test for tls.
3842 * doc/invoke.texi (ARC options): Document mtp-regno.
3844 2016-04-28 Claudiu Zissulescu <claziss@synopsys.com>
3846 * config/arc/arc.c (arc_vector_mode_supported_p): Add support for
3847 the new ARC HS SIMD instructions.
3848 (arc_preferred_simd_mode): New function.
3849 (arc_autovectorize_vector_sizes): Likewise.
3850 (TARGET_VECTORIZE_PREFERRED_SIMD_MODE)
3851 (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Define.
3852 (arc_init_reg_tables): Accept new ARC HS SIMD modes.
3853 (arc_init_builtins): Add new SIMD builtin types.
3854 (arc_split_move): Handle 64 bit vector moves.
3855 * config/arc/arc.h (TARGET_PLUS_DMPY, TARGET_PLUS_MACD)
3856 (TARGET_PLUS_QMACW): Define.
3857 * config/arc/builtins.def (QMACH, QMACHU, QMPYH, QMPYHU, DMACH)
3858 (DMACHU, DMPYH, DMPYHU, DMACWH, DMACWHU, VMAC2H, VMAC2HU, VMPY2H)
3859 (VMPY2HU, VADDSUB2H, VSUBADD2H, VADDSUB, VSUBADD, VADDSUB4H)
3860 (VSUBADD4H): New builtins.
3861 * config/arc/simdext.md: Add new ARC HS SIMD instructions.
3862 * testsuite/gcc.target/arc/builtin_simdarc.c: New file.
3864 2016-04-28 Eduard Sanou <dhole@openmailbox.org>
3865 Matthias Klose <doko@debian.org>
3867 * doc/cppenv.texi: Document SOURCE_DATE_EPOCH environment variable.
3869 2016-04-28 Richard Biener <rguenther@suse.de>
3871 PR middle-end/70777
3872 * fold-const.c (fold_binary_loc): Remove x*x to pow(x,2.0)
3873 canonicalization.
3875 2016-04-28 Oleg Endo <olegendo@gcc.gnu.org>
3877 * common/config/sh/sh-common.c: Remove SH5 support.
3878 * config/sh/constraints.md: Likewise.
3879 * config/sh/config/sh/elf.h: Likewise.
3880 * config/sh/linux.h: Likewise.
3881 * config/sh/netbsd-elf.h: Likewise.
3882 * config/sh/predicates.md: Likewise.
3883 * config/sh/sh-c.c: Likewise.
3884 * config/sh/sh-protos.h: Likewise.
3885 * config/sh/sh.c: Likewise.
3886 * config/sh/sh.h: Likewise.
3887 * config/sh/sh.md: Likewise.
3888 * config/sh/sh.opt: Likewise.
3889 * config/sh/sync.md: Likewise.
3890 * config/sh/sh64.h: Delete.
3891 * config/sh/shmedia.h: Likewise.
3892 * config/sh/shmedia.md: Likewise.
3893 * config/sh/sshmedia.h: Likewise.
3894 * config/sh/t-netbsd-sh5-64: Likewise.
3895 * config/sh/t-sh64: Likewise.
3896 * config/sh/ushmedia.h: Likewise.
3898 2016-04-28 Uros Bizjak <ubizjak@gmail.com>
3900 * config/i386/i386.md (sign_extend to memory peephole2s): Use
3901 general_reg_operand instead of register_operand predicate.
3903 2016-04-27 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
3905 * params.def (MIN_PARTITION_SIZE): Set default value to 10000.
3907 2016-04-27 Marc Glisse <marc.glisse@inria.fr>
3909 * match.pd (A - B > A, A + B < A): New transformations.
3911 2016-04-27 Patrick Palka <ppalka@gcc.gnu.org>
3913 * genattrtab.c (write_test_expr): New parameter EMIT_PARENS
3914 which defaults to true. Emit an outer pair of parentheses only if
3915 EMIT_PARENS. When continuing a chain of && or || (or & or |),
3916 don't emit parentheses for the right-hand operand.
3918 2016-04-27 Jeff Law <law@redhat.com>
3920 * tree-ssa-dom.c (record_temporary_equivalences): Fix typo in comment.
3922 2016-04-27 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3924 * config/rs6000/altivec.md (altivec_lvx_<mode>): Remove.
3925 (altivec_lvx_<mode>_internal): Document.
3926 (altivec_lvx_<mode>_2op): New define_insn.
3927 (altivec_lvx_<mode>_1op): Likewise.
3928 (altivec_lvx_<mode>_2op_si): Likewise.
3929 (altivec_lvx_<mode>_1op_si): Likewise.
3930 (altivec_stvx_<mode>): Remove.
3931 (altivec_stvx_<mode>_internal): Document.
3932 (altivec_stvx_<mode>_2op): New define_insn.
3933 (altivec_stvx_<mode>_1op): Likewise.
3934 (altivec_stvx_<mode>_2op_si): Likewise.
3935 (altivec_stvx_<mode>_1op_si): Likewise.
3936 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
3937 Expand vec_ld and vec_st during parsing.
3938 * config/rs6000/rs6000.c (altivec_expand_lvx_be): Commentary
3939 changes.
3940 (altivec_expand_stvx_be): Likewise.
3941 (altivec_expand_lv_builtin): Expand lvx built-ins to expose the
3942 address-masking behavior in RTL.
3943 (altivec_expand_stv_builtin): Expand stvx built-ins to expose the
3944 address-masking behavior in RTL.
3945 (altivec_expand_builtin): Change builtin code arguments for calls
3946 to altivec_expand_stv_builtin and altivec_expand_lv_builtin.
3947 (insn_is_swappable_p): Avoid incorrect swap optimization in the
3948 presence of lvx/stvx patterns.
3949 (alignment_with_canonical_addr): New function.
3950 (alignment_mask): Likewise.
3951 (find_alignment_op): Likewise.
3952 (recombine_lvx_pattern): Likewise.
3953 (recombine_stvx_pattern): Likewise.
3954 (recombine_lvx_stvx_patterns): Likewise.
3955 (rs6000_analyze_swaps): Perform a pre-pass to recognize lvx and
3956 stvx patterns from expand.
3957 * config/rs6000/vector.md (vector_altivec_load_<mode>): Use new
3958 expansions.
3959 (vector_altivec_store_<mode>): Likewise.
3961 2016-04-26 Evandro Menezes <e.menezes@samsung.com>
3963 * config/aarch64/aarch64.md
3964 (*movhf_aarch64): Add "movi %0, #0" to zero up register and
3965 remove the "fp" attributes.
3966 (*movsf_aarch64): Add "movi %0, #0" to zero up register and
3967 add the "simd" attributes.
3968 (*movdf_aarch64): Likewise.
3969 (*movtf_aarch64): Remove the "fp" attributes.
3970 * testsuite/gcc.target/aarch64/fmovf-zero-reg.c: Update accordingly.
3971 * testsuite/gcc.target/aarch64/fmovd-zero-reg.c: Likewise.
3973 2016-04-27 David Malcolm <dmalcolm@redhat.com>
3975 * emit-rtl.c (maybe_set_first_label_num): Strengthen param from
3976 rtx to rtx_code_label *.
3977 * rtl.h (maybe_set_first_label_num): Likewise.
3979 2016-04-27 David Malcolm <dmalcolm@redhat.com>
3981 * df-core.c (df_add_problem): Make the problem param be const.
3982 (df_remove_problem): Make local "problem" be const.
3983 * df-problems.c (problem_RD): Make const.
3984 (problem_LR): Likewise.
3985 (problem_LIVE): Likewise.
3986 (problem_MIR): Likewise.
3987 (problem_CHAIN): Likewise.
3988 (problem_WORD_LR): Likewise.
3989 (problem_NOTE): Likewise.
3990 (problem_MD): Likewise.
3991 * df-scan.c (problem_SCAN): Likewise.
3992 * df.h (struct df_problem): Make field "dependent_problem" be
3993 const.
3994 (struct dataflow): Likewise for field "problem".
3995 (df_add_problem): Make param const.
3997 2016-04-27 Uros Bizjak <ubizjak@gmail.com>
3999 * config/i386/i386.c (ix86_spill_class): Enable for TARGET_SSE2 when
4000 inter-unit moves to/from vector registers are enabled. Do not disable
4001 for TARGET_MMX.
4003 2016-04-27 David Malcolm <dmalcolm@redhat.com>
4005 * df.h (DF_SCAN, DF_LR, DF_LIVE, DF_RD, DF_CHAIN, DF_WORD_LR,
4006 DF_NOTE, DF_MD, DF_MIR, DF_LAST_PROBLEM_PLUS1): Convert from
4007 #define to...
4008 (enum df_problem_id): ...this new enum.
4009 (struct df_problem): Convert field "id" from "int" to
4010 enum df_problem_id.
4012 2016-04-27 David Malcolm <dmalcolm@redhat.com>
4014 * rtl.def: Update comment for "things in the instruction chain" to
4015 reflect the removal of the leading "i" field for INSN_UID in
4016 r210360. Fix bogus apostrophe.
4018 2016-04-27 Uros Bizjak <ubizjak@gmail.com>
4020 * config/i386/i386.md
4021 (lea arith with mem operand + setcc peephole2): Set operator mode.
4023 2016-04-27 H.J. Lu <hongjiu.lu@intel.com>
4025 PR target/70155
4026 * config/i386/i386.c (scalar_to_vector_candidate_p): Renamed to ...
4027 (dimode_scalar_to_vector_candidate_p): This.
4028 (timode_scalar_to_vector_candidate_p): New function.
4029 (scalar_to_vector_candidate_p): Likewise.
4030 (timode_check_non_convertible_regs): Likewise.
4031 (timode_remove_non_convertible_regs): Likewise.
4032 (remove_non_convertible_regs): Likewise.
4033 (remove_non_convertible_regs): Renamed to ...
4034 (dimode_remove_non_convertible_regs): This.
4035 (scalar_chain::~scalar_chain): Make it virtual.
4036 (scalar_chain::compute_convert_gain): Make it pure virtual.
4037 (scalar_chain::mark_dual_mode_def): Likewise.
4038 (scalar_chain::convert_insn): Likewise.
4039 (scalar_chain::convert_registers): Likewise.
4040 (scalar_chain::add_to_queue): Make it protected.
4041 (scalar_chain::emit_conversion_insns): Likewise.
4042 (scalar_chain::replace_with_subreg): Likewise.
4043 (scalar_chain::replace_with_subreg_in_insn): Likewise.
4044 (scalar_chain::convert_op): Likewise.
4045 (scalar_chain::convert_reg): Likewise.
4046 (scalar_chain::make_vector_copies): Likewise.
4047 (scalar_chain::convert_registers): New pure virtual function.
4048 (class dimode_scalar_chain): New class.
4049 (class timode_scalar_chain): Likewise.
4050 (scalar_chain::mark_dual_mode_def): Renamed to ...
4051 (dimode_scalar_chain::mark_dual_mode_def): This.
4052 (timode_scalar_chain::mark_dual_mode_def): New function.
4053 (timode_scalar_chain::convert_insn): Likewise.
4054 (dimode_scalar_chain::convert_registers): Likewise.
4055 (scalar_chain::compute_convert_gain): Renamed to ...
4056 (dimode_scalar_chain::compute_convert_gain): This.
4057 (scalar_chain::replace_with_subreg): Renamed to ...
4058 (dimode_scalar_chain::replace_with_subreg): This.
4059 (scalar_chain::replace_with_subreg_in_insn): Renamed to ...
4060 (dimode_scalar_chain::replace_with_subreg_in_insn): This.
4061 (scalar_chain::make_vector_copies): Renamed to ...
4062 (dimode_scalar_chain::make_vector_copies): This.
4063 (scalar_chain::convert_reg): Renamed to ...
4064 (dimode_scalar_chain::convert_reg ): This.
4065 (scalar_chain::convert_op): Renamed to ...
4066 (dimode_scalar_chain::convert_op): This.
4067 (scalar_chain::convert_insn): Renamed to ...
4068 (dimode_scalar_chain::convert_insn): This.
4069 (scalar_chain::convert): Call convert_registers.
4070 (convert_scalars_to_vector): Change to scalar_chain pointer to
4071 use timode_scalar_chain in 64-bit mode and dimode_scalar_chain
4072 in 32-bit mode. Delete scalar_chain pointer. Call
4073 free_dominance_info in 64-bit mode.
4074 (pass_stv::gate): Remove TARGET_64BIT check.
4075 (ix86_option_override): Put the 64-bit STV pass before the CSE
4076 pass.
4078 2016-04-27 Pierre-Marie de Rodat <derodat@adacore.com>
4080 * dwarf2out.h (struct dw_loc_descr_node): Remove the
4081 dw_loc_frame_offset field.
4082 * dwarf2out.c (new_loc_descr): Likewise.
4083 (resolve_args_picking_1): Turn the VISITED hash set into a
4084 FRAME_OFFSET hash map. Use it to associate a frame offset to
4085 visited nodes. Remove uses of the CHECKING_P macro.
4086 (resolve_args_picking): Update call to resolve_args_picking_1.
4088 2016-04-27 Martin Liska <mliska@suse.cz>
4090 * tree-ssa-loop-ivopts.c (iv_ca_dump): Fix level of indentation.
4091 (free_loop_data): Release vuses of groups.
4093 2016-04-27 Bin Cheng <bin.cheng@arm.com>
4095 * tree-ssa-loop-ivopts.c (struct iv): Use pointer to struct iv_use
4096 instead of redundant use_id and boolean have_use_for.
4097 (struct iv_use): Change sub_id into group_id. Remove field next.
4098 Move fields: related_cands, n_map_members, cost_map and selected
4099 to ...
4100 (struct iv_group): ... here. New structure.
4101 (struct iv_common_cand): Use structure declaration directly.
4102 (struct ivopts_data, iv_ca, iv_ca_delta): Rename fields.
4103 (MAX_CONSIDERED_USES): Rename macro to ...
4104 (MAX_CONSIDERED_GROUPS): ... here.
4105 (n_iv_uses, iv_use, n_iv_cands, iv_cand): Delete.
4106 (dump_iv, dump_use, dump_cand): Refactor format of dump information.
4107 (dump_uses): Rename to ...
4108 (dump_groups): ... here. Update all uses.
4109 (tree_ssa_iv_optimize_init, alloc_iv): Update all uses.
4110 (find_induction_variables): Refactor format of dump information.
4111 (record_sub_use): Delete.
4112 (record_use): Update all uses.
4113 (record_group): New function.
4114 (record_group_use, find_interesting_uses_op): Call above functions.
4115 Update all uses.
4116 (find_interesting_uses_cond): Ditto.
4117 (group_compare_offset): New function.
4118 (split_all_small_groups): Rename to ...
4119 (split_small_address_groups_p): ... here. Update all uses.
4120 (split_address_groups): Update all uses.
4121 (find_interesting_uses): Refactor format of dump information.
4122 (add_candidate_1): Update all uses. Remove redundant check on iv,
4123 base and step.
4124 (add_candidate, record_common_cand): Remove redundant assert.
4125 (add_iv_candidate_for_biv): Update use.
4126 (add_iv_candidate_derived_from_uses): Update all uses.
4127 (add_iv_candidate_for_groups, record_important_candidates): Ditto.
4128 (alloc_use_cost_map): Ditto.
4129 (set_use_iv_cost, get_use_iv_cost): Rename to ...
4130 (set_group_iv_cost, get_group_iv_cost): ... here. Update all uses.
4131 (determine_use_iv_cost_generic): Ditto.
4132 (determine_group_iv_cost_generic): Ditto.
4133 (determine_use_iv_cost_address): Ditto.
4134 (determine_group_iv_cost_address): Ditto.
4135 (determine_use_iv_cost_condition): Ditto.
4136 (determine_group_iv_cost_cond): Ditto.
4137 (determine_use_iv_cost): Ditto.
4138 (determine_group_iv_cost): Ditto.
4139 (set_autoinc_for_original_candidates): Update all uses.
4140 (find_iv_candidates): Update all uses. Refactor dump information.
4141 (determine_use_iv_costs): Ditto.
4142 (determine_iv_costs): Ditto.
4143 (iv_ca_cand_for_use): Rename to ...
4144 (iv_ca_cand_for_group): ... here. Update all uses.
4145 (iv_ca_add_use, iv_ca_add_group): Ditto.
4146 (iv_ca_set_cp, iv_ca_cost, iv_ca_delta_add): Update all uses.
4147 (iv_ca_delta_join, iv_ca_delta_reverse, iv_ca_delta_free): Ditto.
4148 (iv_ca_new, iv_ca_dump, iv_ca_extend, iv_ca_narrow): Ditto.
4149 (iv_ca_prune, cheaper_cost_with_cand, iv_ca_replace): Ditto.
4150 (try_add_cand_for, try_improve_iv_set, find_optimal_iv_set): Ditto.
4151 (create_new_iv, adjust_iv_update_pos): Ditto.
4152 (rewrite_use_address): Delete.
4153 (rewrite_use_address_1): Rename to ...
4154 (rewrite_use_address): ... here.
4155 (rewrite_use_compare): Update all uses.
4156 (rewrite_use): Delete.
4157 (rewrite_uses): Rename to ...
4158 (rewrite_groups): ... here. Update all uses.
4159 (remove_unused_ivs, free_loop_data): Update all uses.
4160 (tree_ssa_iv_optimize_finalize, tree_ssa_iv_optimize_loop): Ditto.
4162 2016-04-27 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4164 * rtlanal.c (nonzero_bits1): Convert preprocessor check
4165 for WORD_REGISTER_OPERATIONS to runtime check.
4167 2016-04-27 Richard Biener <rguenther@suse.de>
4169 PR ipa/70760
4170 * tree-ssa-structalias.c (find_func_aliases_for_call): Use
4171 aggregate_value_p to determine if a function result is
4172 returned by reference.
4173 (ipa_pta_execute): Functions having their address taken are
4174 not automatically nonlocal.
4176 2016-04-27 Jakub Jelinek <jakub@redhat.com>
4178 PR sanitizer/70683
4179 * tree-core.h (enum operand_equal_flag): Add OEP_NO_HASH_CHECK.
4180 * fold-const.c (operand_equal_p): If flag_checking and
4181 OEP_NO_HASH_CHECK is not set in flag, recurse with OEP_NO_HASH_CHECK
4182 and if it returns non-zero, assert iterative_hash_expr on both
4183 args is the same.
4185 2016-04-27 Bernd Schmidt <bschmidt@redhat.com>
4187 * doc/invoke.texi (-frename-registers): Also enabled at -Os.
4189 2016-04-27 Nick Clifton <nickc@redhat.com>
4191 PR middle-end/49889
4192 * varasm.c (merge_weak): Generate an error if an attempt is made
4193 to convert a non-weak static function into a weak, public function.
4195 2016-04-27 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
4197 * params.def (MAX_PARTITION_SIZE): New param.
4198 * doc/invoke.texi: Document lto-max-partition.
4200 2016-04-27 Richard Biener <rguenther@suse.de>
4202 PR ipa/70785
4203 * tree-ssa-structalias.c (refered_from_nonlocal_fn): New
4204 function cummulating used_from_other_partition, externally_visible
4205 and force_output from aliases.
4206 (refered_from_nonlocal_var): Likewise.
4207 (ipa_pta_execute): Use call_for_symbol_and_aliases to cummulate
4208 node flags properly.
4210 2016-04-27 Bernd Schmidt <bschmidt@redhat.com>
4212 * doc/invoke.texi (Warning Options): Add -Wmemset-elt-size.
4213 (-Wmemset-elt-size): New item.
4215 2016-04-27 Eric Botcazou <ebotcazou@adacore.com>
4217 PR ada/70759
4218 * stor-layout.h (internal_reference_types): Delete.
4219 * stor-layout.c (reference_types_internal): Likewise.
4220 (internal_reference_types): Likewise.
4221 (layout_type) <REFERENCE_TYPE>: Adjust.
4223 2016-04-27 Jakub Jelinek <jakub@redhat.com>
4225 PR sanitizer/70683
4226 * tree.h (inchash::add_expr): Add FLAGS argument.
4227 * tree.c (inchash::add_expr): Likewise. If not OEP_ADDRESS_OF,
4228 use STRIP_NOPS first. For INTEGER_CST assert not OEP_ADDRESS_OF.
4229 For REAL_CST and !HONOR_SIGNED_ZEROS (t) hash +/- 0 the same.
4230 Formatting fix. Adjust recursive calls. For tcc_comparison,
4231 if swap_tree_comparison (code) is smaller than code, hash that
4232 and arguments in the other order. Hash CONVERT_EXPR the same
4233 as NOP_EXPR. For OEP_ADDRESS_OF hash MEM_REF with 0 offset
4234 of ADDR_EXPR of decl as the decl itself. Add or remove
4235 OEP_ADDRESS_OF from recursive flags as needed. For
4236 FMA_EXPR, WIDEN_MULT_{PLUS,MINUS}_EXPR hash the first two
4237 operands commutatively and only the third one normally.
4238 For internal CALL_EXPR hash in CALL_EXPR_IFN.
4240 2016-04-27 Sebastian Huber <sebastian.huber@embedded-brains.de>
4242 * config/rtems.h (LIB_SPEC): Add -latomic.
4244 2016-04-27 Joel Sherrill <joel@rtems.org>
4246 * config/microblaze/rtems.h: Redefine LINK_SPEC to avoid
4247 xilink.ld and flags not relevant to RTEMS.
4249 2016-04-26 Zhouyi Zhou <yizhouzhou@ict.ac.cn>
4251 * toplev.c (backend_init_target): Avoid calling init_reload when using
4252 LRA.
4254 2016-04-26 Jakub Jelinek <jakub@redhat.com>
4256 * reorg.c (try_merge_delay_insns): Declare i and j inside the
4257 for loops rather than one for the whole function.
4259 2016-04-26 Marc Glisse <marc.glisse@inria.fr>
4261 * match.pd (X + CST CMP X): New transformation.
4263 2016-04-26 Marc Glisse <marc.glisse@inria.fr>
4265 * genmatch.c (write_predicate): Add ATTRIBUTE_UNUSED.
4266 * fold-const.c (fold_binary_loc): Remove 2 transformations
4267 superseded by match.pd.
4268 * match.pd (x+x -> x*2): Generalize to integers.
4270 2016-04-26 Bernd Schmidt <bschmidt@redhat.com>
4272 * config/i386/i386.md (operation on memory peephole): Duplicate an
4273 existing peephole and adapt it to match lea rather than an operation
4274 that clobbers CC.
4276 PR rtl-optimization/57193
4277 * opts.c (default_options_table): Add OPT_frename_registers at -O2
4278 and above.
4279 * doc/invoke.texi (-frename-registers, -O2): Update documentation.
4281 2016-04-26 Bin Cheng <bin.cheng@arm.com>
4283 * tree-if-conv.c (any_pred_load_store): New static variable.
4284 (if_convertible_gimple_assign_stmt_p): Remove parameter. Use
4285 any_pred_load_store instead of and_mask_load_store.
4286 (if_convertible_stmt_p, if_convertible_loop_p_1): Ditto.
4287 (if_convertible_loop_p, insert_gimplified_predicates): Ditto.
4288 (combine_blocks, tree_if_conversion): Ditto.
4290 2016-04-26 Bin Cheng <bin.cheng@arm.com>
4292 PR tree-optimization/70771
4293 PR tree-optimization/70775
4294 * tree-if-conv.c (if_convertible_phi_p): Remove check on special
4295 virtual PHI nodes. Delete parameter.
4296 (if_convertible_loop_p_1): Delete argument to above function.
4297 (predicate_all_scalar_phis): Delete code handling single-argument
4298 PHIs.
4299 (tree_if_conversion): Mark and update virtual SSA.
4301 2016-04-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4303 PR target/61821
4304 * config/i386/i386.c (LARGECOMM_SECTION_ASM_OP): Define default.
4305 (x86_elf_aligned_common): Rename to ...
4306 (x86_elf_aligned_decl_common): ... this.
4307 Add decl arg. Switch to .lbss for largecomm object. Use
4308 LARGECOMM_SECTION_ASM_OP.
4309 * config/i386/i386-protos.h (x86_elf_aligned_common): Reflect
4310 renaming.
4311 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_COMMON): Rename to ...
4312 (ASM_OUTPUT_ALIGNED_DECL_COMMON): ... this.
4313 Pass new decl arg.
4314 * config/i386/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
4315 [!USE_GAS] (LARGECOMM_SECTION_ASM_OP): Define.
4317 2016-04-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4319 PR target/59407
4320 * config/i386/i386.c (SECTION_LARGE): Define.
4321 (x86_64_elf_select_section): Set it for large data/bss sections.
4322 Only clear SECTION_WRITE for .lrodata.
4323 (x86_64_elf_section_type_flags): Set SECTION_LARGE for large
4324 data/bss sections.
4325 * config/i386/sol2.h (MACH_DEP_SECTION_ASM_FLAG): Define.
4326 * varasm.c (default_elf_asm_named_section): Grow flagchars.
4327 [MACH_DEP_SECTION_ASM_FLAG] Emit MACH_DEP_SECTION_ASM_FLAG for
4328 SECTION_MACH_DEP.
4329 * doc/tm.texi.in (Sections, MACH_DEP_SECTION_ASM_FLAG): Describe.
4330 * doc/tm.texi: Regenerate.
4332 2016-04-26 Jakub Jelinek <jakub@redhat.com>
4334 PR bootstrap/70704
4335 * configure.ac (--enable-checking): Document extra flag, for
4336 non-release builds default to --enable-checking=yes,extra.
4337 If misc checking and extra checking, define CHECKING_P to 2 instead
4338 of 1.
4339 * common.opt (fchecking=): Add.
4340 * doc/invoke.texi (-fchecking=): Document.
4341 * doc/install.texi: Document --enable-checking changes.
4342 * configure: Regenerated.
4343 * config.in: Regenerated.
4345 2016-04-25 Uros Bizjak <ubizjak@gmail.com>
4347 * config/i386/i386.md (*movxi_internal_avx512f): Use insn type
4348 attribute instead of which_alternative.
4349 * config/i386/sse.md (*mov<mode>_internal): Ditto.
4350 Use EXT_REX_SSE_REG_P where appropriate.
4352 2016-04-25 Uros Bizjak <ubizjak@gmail.com>
4354 * config/i386/predicates.md (const0_operand): Do not match
4355 const_wide_int code.
4356 (const1_operand): Ditto.
4358 2016-04-25 Uros Bizjak <ubizjak@gmail.com>
4360 * config/i386/i386.md (*movoi_internal_avx): Set mode attribute to XI
4361 for SSE constm1 operands and TARGET_AVX512VL.
4362 (*movti_internal): Ditto.
4363 (*mov<mode>_or): Use constm1_operand predicate.
4364 * config/i386/sse.md (*mov<mode>_internal): Set mode attribute to XI
4365 for SSE vector_all_ones operands and TARGET_AVX512VL.
4366 * config/i386/predicates.md (constm1_operand): New predicate.
4367 * config/i386/i386.c (standard_sse_constant_opcode): Simplify
4368 emission of constant -1 load.
4370 2016-04-25 Jason Merrill <jason@redhat.com>
4372 * gdbinit.in: Skip is-a.h.
4374 * attribs.c (register_scoped_attributes): Fix logic.
4375 * attribs.h: Declare register_scoped_attributes.
4377 2016-04-25 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
4379 * config/rs6000/rs6000-builtin.def: Correct pasto error for
4380 stxvd2x and stxvw4x built-in functions.
4382 2016-04-25 DJ Delorie <dj@redhat.com>
4384 * config/msp430/msp430.md (ashlhi3): Optimize one bit shifts.
4385 (ashrhi3): Likewise.
4386 (lshrhi3): Likewise.
4388 2016-04-25 Richard Biener <rguenther@suse.de>
4390 PR tree-optimization/70780
4391 * tree-ssa-pre.c (compute_antic_aux): Also return true if the block
4392 wasn't visited yet.
4393 (compute_antic): Mark blocks with abnormal preds as visited as
4394 they have a final empty antic-in solution already.
4396 2016-04-25 Michael Collison <michael.collison@linaro.org>
4398 * ChangeLog(2016-04-25): Fix ChangeLog formatting.
4400 2016-04-25 Michael Collison <michael.collison@linaro.org>
4402 * config/arm/neon.md (widen_<us>sum<mode>): New patterns where
4403 mode is VQI to improve mixed mode vectorization.
4404 * config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3): New
4405 define_insn to match low half of signed vaddw.
4406 * config/arm/neon.md (vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): New
4407 define_insn to match high half of signed vaddw.
4408 * config/arm/neon.md (vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): New
4409 define_insn to match low half of unsigned vaddw.
4410 * config/arm/neon.md (vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): New
4411 define_insn to match high half of unsigned vaddw.
4412 * config/arm/arm.c (arm_simd_vect_par_cnst_half): New function.
4413 (arm_simd_check_vect_par_cnst_half_p): Likewise.
4414 * config/arm/arm-protos.h (arm_simd_vect_par_cnst_half): Prototype
4415 for new function.
4416 (arm_simd_check_vect_par_cnst_half_p): Likewise.
4417 * config/arm/predicates.md (vect_par_constant_high): Support
4418 big endian and simplify by calling
4419 arm_simd_check_vect_par_cnst_half
4420 (vect_par_constant_low): Likewise.
4422 2016-04-25 Uros Bizjak <ubizjak@gmail.com>
4424 * config/i386/i386.md (*lea<mode>_general_4): Use const_0_to_3_operand
4425 predicate for operand 2.
4427 2016-04-24 Uros Bizjak <ubizjak@gmail.com>
4428 H.J. Lu <hongjiu.lu@intel.com>
4430 * config/i386/i386-protos.h (standard_sse_constant_p): Add
4431 machine_mode argument.
4432 * config/i386/i386.c (standard_sse_constant_p): Return 2 for
4433 constm1_rtx operands. For VOIDmode constants, get mode from
4434 pred_mode. Check mode size if the mode is supported by ABI.
4435 (standard_sse_constant_opcode): Do not use standard_constant_p.
4436 Strictly check ABI support for all-ones operands.
4437 (ix86_legitimate_constant_p): Handle TImode, OImode and XImode
4438 immediates. Update calls to standard_sse_constant_p.
4439 (ix86_expand_vector_move): Update calls to standard_sse_constant_p.
4440 (ix86_rtx_costs): Ditto.
4441 * config/i386/i386.md (*movxi_internal_avx512f): Use
4442 nonimmediate_or_sse_const_operand instead of vector_move_operand.
4443 Use (v,BC) alternative instead of (v,C). Use register_operand
4444 checks instead of MEM_P.
4445 (*movoi_internal_avx): Use nonimmediate_or_sse_const_operand instead
4446 of vector_move_operand. Add (v,BC) alternative and corresponding avx2
4447 isa attribute. Use register_operand checks instead of MEM_P.
4448 (*movti_internal): Use nonimmediate_or_sse_const_operand for
4449 TARGET_SSE. Improve TARGET_SSE insn constraint. Add (v,BC)
4450 alternative and corresponding sse2 isa attribute.
4451 (*movtf_internal, *movdf_internal, *movsf_interal): Update calls
4452 to standard_sse_constant_p.
4453 (FP constant splitters): Ditto.
4454 * config/i386/constraints.md (BC): Do not use standard_sse_constant_p.
4455 (C): Ditto.
4456 * config/i386/predicates.md (constm1_operand): Remove.
4457 (nonimmediate_or_sse_const_operand): Rewrite using RTX.
4458 * config/i386/sse.md (*<avx512>_cvtmask2<ssemodesuffix><mode>): Use
4459 vector_all_ones_operand instead of constm1_operand.
4461 2016-04-24 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
4463 * print-rtl.c (print_rtx_insn_vec): New function.
4464 * print-rtl.h: New prototype.
4465 * store-motion.c (struct st_expr): Make avail_stores a vector.
4466 (st_expr_entry): Adjust.
4467 (free_st_expr_entry): Likewise.
4468 (print_store_motion_mems): Likewise.
4469 (find_moveable_store): Likewise.
4470 (compute_store_table): Likewise.
4471 (delete_store): Likewise.
4472 (build_store_vectors): Likewise.
4474 2016-04-24 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
4476 * reorg.c (try_merge_delay_insns): Make merged_insns a vector.
4478 2016-04-24 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
4480 * vec.h (vec_safe_contains): New function.
4481 (vec::contains): Likewise.
4482 (vec::begin): Likewise.
4483 (vec::end): Likewise.
4485 2016-04-23 Jakub Jelinek <jakub@redhat.com>
4487 PR sanitizer/70712
4488 * cfgexpand.c (expand_stack_vars): Fix typo.
4490 2016-04-22 Szabolcs Nagy <szabolcs.nagy@arm.com>
4492 * system.h (list, map, set, vector): Include conditionally.
4493 * auto-profile.c (INCLUDE_MAP, INCLUDE_SET): Define.
4494 * graphite-isl-ast-to-gimple.c (INCLUDE_MAP): Define.
4495 * ipa-icf.c (INCLUDE_LIST): Define.
4496 * config/aarch64/cortex-a57-fma-steering.c (INCLUDE_LIST): Define.
4497 * config/sh/sh.c (INCLUDE_VECTOR): Define.
4498 * config/sh/sh_treg_combine.cc (INCLUDE_ALGORITHM): Define.
4499 (INCLUDE_LIST, INCLUDE_VECTOR): Define.
4500 * cp/logic.cc (INCLUDE_LIST): Define.
4501 * fortran/trans-common.c (INCLUDE_MAP): Define.
4503 2016-04-22 Szabolcs Nagy <szabolcs.nagy@arm.com>
4505 * auto-profile.c: Remove <string.h> include.
4506 * ipa-icf-gimple.c: Remove <list> include.
4507 * diagnostic.c: Remove <new> include.
4508 * genmatch.c: Likewise.
4509 * pretty-print.c: Likewise.
4510 * toplev.c: Likewise
4511 * c/c-objc-common.c: Likewise.
4512 * cp/error.c: Likewise.
4513 * fortran/error.c: Likewise.
4515 2016-04-22 Richard Biener <rguenther@suse.de>
4517 * lto-streamer-in.c (input_ssa_names): Do not allocate
4518 GIMPLE_NOP for all SSA names.
4519 * lto-streamer-out.c (output_ssa_names): Do not output
4520 SSA names that should have been released.
4522 2016-04-22 Richard Biener <rguenther@suse.de>
4524 PR tree-optimization/70740
4525 * tree-ssa-phiprop.c (propagate_with_phi): Handle inserted
4526 VDEF.
4528 2016-04-21 H.J. Lu <hongjiu.lu@intel.com>
4530 PR target/70750
4531 * config/i386/predicates.md (call_insn_operand): Replace
4532 sibcall_memory_operand with memory_operand.
4534 2016-04-21 Patrick Palka <ppalka@gcc.gnu.org>
4536 * tree-vrp.c (register_edge_assert_for_2): Remove redundant
4537 has_single_use() tests.
4538 (register_edge_assert_for_1): Likewise.
4539 (find_assert_locations_1): Check the liveness bitmap instead of
4540 checking has_single_use().
4542 2016-04-21 Kirill Yukhin <kirill.yukhin@intel.com>
4544 PR target/70728
4545 * gcc/config/i386/sse.md (define_insn "<shift_insn><mode>3<mask_name>"):
4546 Extract AVX-512BW constraint from AVX.
4548 2016-04-21 Richard Biener <rguenther@suse.de>
4550 PR tree-optimization/70725
4551 * tree-if-conv.c (if_convertible_phi_p): Adjust guard
4552 for phi_convertible_by_degenerating_args.
4553 (predicate_all_scalar_phis): Handle single-argument PHIs.
4555 2016-04-21 Richard Biener <rguenther@suse.de>
4557 PR middle-end/70747
4558 * fold-const.c (fold_comparison): Return properly typed
4559 constant boolean.
4561 2016-04-21 Bin Cheng <bin.cheng@arm.com>
4563 PR tree-optimization/70715
4564 * tree-ssa-loop-niter.c (loop_exits_before_overflow): Check equality
4565 after expanding BASE using expand_simple_operations.
4567 2016-04-21 Marc Glisse <marc.glisse@inria.fr>
4569 * match.pd (min(-x, -y), max(-x, -y), min(~x, ~y), max(~x, ~y)):
4570 New transformations.
4572 2016-04-21 Marc Glisse <marc.glisse@inria.fr>
4574 * match.pd (min(int_max, x), max(int_min, x)): New transformations.
4576 2016-04-20 Jan Hubicka <jh@suse.cz>
4578 * ipa-inline.c (can_inline_edge_p): Pass caller info to
4579 ultiimate_alias_target.
4580 (update_callee_keys): Likewise.
4581 (lookup_recursive_calls): Likewise.
4582 (speculation_useful_p): Likewise.
4584 2016-04-20 Jan Hubicka <jh@suse.cz>
4586 PR ipa/70018
4587 * cgraph.c (cgraph_set_nothrow_flag_1): Rename to ...
4588 (set_nothrow_flag_1): ... this; handle interposition correctly;
4589 recurse on aliases and thunks.
4590 (cgraph_node::set_nothrow_flag): New.
4591 * ipa-pure-const.c (ignore_edge_for_nothrow): Ignore calls to
4592 functions compiled with non-call exceptions that binds to current
4593 def.
4594 (propagate_nothrow): Be safe WRT interposition.
4595 * cgraph.h (set_nothrow_flag): Update prototype.
4597 2016-04-18 Jan Hubicka <jh@suse.cz>
4599 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
4600 max_loop_iterations_int.
4601 (tree_unswitch_outer_loop): Likewise.
4603 2016-04-20 Bin Cheng <bin.cheng@arm.com>
4605 PR tree-optimization/69489
4606 * tree-if-conv.c (phi_convertible_by_degenerating_args): New.
4607 (if_convertible_phi_p): Call phi_convertible_by_degenerating_args.
4608 Revise dump message.
4609 (if_convertible_bb_p): Remove check on edge count of basic block's
4610 predecessors.
4612 2016-04-20 Bin Cheng <bin.cheng@arm.com>
4614 PR tree-optimization/56625
4615 PR tree-optimization/69489
4616 * tree-data-ref.h (DR_INNERMOST): New macro.
4617 * tree-if-conv.c (innermost_loop_behavior_hash): New class for
4618 hashing struct innermost_loop_behavior.
4619 (ref_DR_map): Remove.
4620 (innermost_DR_map): New map.
4621 (baseref_DR_map): Revise comment.
4622 (hash_memrefs_baserefs_and_store_DRs_read_written_info): Store DR
4623 to innermost_DR_map accroding to its innermost loop behavior.
4624 (ifcvt_memrefs_wont_trap): Get DR from innermost_DR_map according
4625 to its innermost loop behavior.
4626 (if_convertible_loop_p_1): Remove intialization for ref_DR_map.
4627 Add initialization for innermost_DR_map. Record memory reference
4628 in DR_BASE_ADDRESS if the reference is compound one or it doesn't
4629 have innermost loop behavior.
4630 (if_convertible_loop_p): Remove release for ref_DR_map. Release
4631 innermost_DR_map.
4633 2016-04-20 Uros Bizjak <ubizjak@gmail.com>
4635 * config/i386/i386.md (*lea<mode>_general_1): Rename from
4636 *lea_general_1. Use explicit SWI12 mode interator.
4637 (*lea<mode>_general_2): Rename from *lea_general_2.
4638 Use explicit SWI12 mode interator.
4639 (*lea<mode>_general_3): Rename from *lea_general_3.
4640 Use explicit SWI12 mode interator.
4641 (*lea<SWI12:mode>_general_4): Split from *lea_general_4.
4642 Use explicit SWI12 mode interator.
4643 (*lea<SWI48:mode>_general_4): Split from *lea_general_4.
4644 Use explicit SWI48 mode interator.
4646 2016-04-20 H.J. Lu <hongjiu.lu@intel.com>
4648 * config/i386/i386.c (ix86_avx256_split_vector_move_misalign):
4649 Short-cut unaligned load and store cases. Handle all integer
4650 vector modes.
4651 (ix86_expand_vector_move_misalign): Short-cut unaligned load
4652 and store cases. Call ix86_avx256_split_vector_move_misalign
4653 directly without checking mode class.
4655 2016-04-20 Andrew Pinski <apinski@cavium.com>
4656 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4658 PR target/64971
4659 * config/aarch64/aarch64.md (sibcall): Force call
4660 address to be DImode for ILP32.
4661 (sibcall_value): Likewise.
4663 2016-04-20 H.J. Lu <hongjiu.lu@intel.com>
4665 * doc/invoke.texi: Replace -skip-rax-setup with -mskip-rax-setup.
4667 2016-04-20 Richard Biener <rguenther@suse.de>
4669 * gimple-match.h (maybe_build_generic_op): Adjust prototype.
4670 * gimple-match-head.c (maybe_build_generic_op): Pass all ops
4671 by reference, clear op1 and op2 when GENERICizing BIT_FIELD_REF.
4672 (maybe_push_res_to_seq): Adjust.
4673 * gimple-fold.c (maybe_build_generic_op): Likewise.
4675 2016-04-20 Marek Polacek <polacek@redhat.com>
4677 * tree-if-conv.c (is_false_predicate): For NULL_TREE return false
4678 rather than true.
4680 2016-04-20 Ilya Enkovich <ilya.enkovich@intel.com>
4682 * config/i386/sse.md (vec_unpacks_lo_hi): Always
4683 use kmovw to support AVX512F target.
4685 2016-04-20 Bin Cheng <bin.cheng@arm.com>
4687 * tree-scalar-evolution.c (interpret_rhs_expr): Handle BIT_AND_EXPR.
4689 2016-04-20 Marek Polacek <polacek@redhat.com>
4691 PR tree-optimization/70725
4692 * tree-if-conv.c (is_false_predicate): New function.
4693 (predicate_mem_writes): Use it.
4695 2016-04-20 Richard Biener <rguenther@suse.de>
4697 PR tree-optimization/70726
4698 * tree-vect-stmts.c (vectorizable_shift): Do not use scalar
4699 shift amounts from a pattern stmt operand.
4701 2016-04-20 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4703 PR target/70674
4704 * config/s390/s390.c (s390_restore_gprs_from_fprs): Pick the new
4705 stack_restore_from_fpr pattern when restoring r15.
4706 (s390_optimize_prologue): Strip away the memory barrier in the
4707 parallel when trying to get rid of restore insns.
4708 * config/s390/s390.md ("stack_restore_from_fpr"): New insn
4709 definition for loading the stack pointer from an FPR. Compared to
4710 the normal move insn this pattern includes a full memory barrier.
4712 2016-04-19 Jakub Jelinek <jakub@redhat.com>
4714 PR middle-end/70680
4715 * gimplify.c (gimplify_omp_for): Call omp_notice_variable for
4716 implicitly linear or lastprivate iterator on the outer context.
4718 2016-04-19 H.J. Lu <hongjiu.lu@intel.com>
4720 * config/i386/i386.c (ix86_legitimate_combined_insn): Remove
4721 alignment check.
4722 * config/i386/i386.md (ssememalign): Removed.
4723 * config/i386/sse.md: Remove ssememalign attribute from patterns.
4725 2016-04-19 H.J. Lu <hongjiu.lu@intel.com>
4727 PR target/69201
4728 * config/i386/avx512bwintrin.h (_mm512_mask_loadu_epi16): Pass
4729 const short * to __builtin_ia32_loaddquhi512_mask.
4730 (_mm512_maskz_loadu_epi16): Likewise.
4731 (_mm512_mask_storeu_epi16): Pass short * to
4732 __builtin_ia32_storedquhi512_mask.
4733 (_mm512_mask_loadu_epi8): Pass const char * to
4734 __builtin_ia32_loaddquqi512_mask.
4735 (_mm512_maskz_loadu_epi8): Likewise.
4736 (_mm512_mask_storeu_epi8): Pass char * to
4737 __builtin_ia32_storedquqi512_mask.
4738 * config/i386/avx512fintrin.h (_mm512_loadu_pd): Pass
4739 const double * to __builtin_ia32_loadupd512_mask.
4740 (_mm512_mask_loadu_pd): Likewise.
4741 (_mm512_maskz_loadu_pd): Likewise.
4742 (_mm512_storeu_pd): Pass double * to
4743 __builtin_ia32_storeupd512_mask.
4744 (_mm512_mask_storeu_pd): Likewise.
4745 (_mm512_loadu_ps): Pass const float * to
4746 __builtin_ia32_loadups512_mask.
4747 (_mm512_mask_loadu_ps): Likewise.
4748 (_mm512_maskz_loadu_ps): Likewise.
4749 (_mm512_storeu_ps): Pass float * to
4750 __builtin_ia32_storeups512_mask.
4751 (_mm512_mask_storeu_ps): Likewise.
4752 (_mm512_mask_loadu_epi64): Pass const long long * to
4753 __builtin_ia32_loaddqudi512_mask.
4754 (_mm512_maskz_loadu_epi64): Likewise.
4755 (_mm512_mask_storeu_epi64): Pass long long *
4756 to __builtin_ia32_storedqudi512_mask.
4757 (_mm512_loadu_si512): Pass const int * to
4758 __builtin_ia32_loaddqusi512_mask.
4759 (_mm512_mask_loadu_epi32): Likewise.
4760 (_mm512_maskz_loadu_epi32): Likewise.
4761 (_mm512_storeu_si512): Pass int * to
4762 __builtin_ia32_storedqusi512_mask.
4763 (_mm512_mask_storeu_epi32): Likewise.
4764 * config/i386/avx512vlbwintrin.h (_mm256_mask_storeu_epi8): Pass
4765 char * to __builtin_ia32_storedquqi256_mask.
4766 (_mm_mask_storeu_epi8): Likewise.
4767 (_mm256_mask_loadu_epi16): Pass const short * to
4768 __builtin_ia32_loaddquhi256_mask.
4769 (_mm256_maskz_loadu_epi16): Likewise.
4770 (_mm_mask_loadu_epi16): Pass const short * to
4771 __builtin_ia32_loaddquhi128_mask.
4772 (_mm_maskz_loadu_epi16): Likewise.
4773 (_mm256_mask_loadu_epi8): Pass const char * to
4774 __builtin_ia32_loaddquqi256_mask.
4775 (_mm256_maskz_loadu_epi8): Likewise.
4776 (_mm_mask_loadu_epi8): Pass const char * to
4777 __builtin_ia32_loaddquqi128_mask.
4778 (_mm_maskz_loadu_epi8): Likewise.
4779 (_mm256_mask_storeu_epi16): Pass short * to.
4780 __builtin_ia32_storedquhi256_mask.
4781 (_mm_mask_storeu_epi16): Pass short * to.
4782 __builtin_ia32_storedquhi128_mask.
4783 * config/i386/avx512vlintrin.h (_mm256_mask_loadu_pd): Pass
4784 const double * to __builtin_ia32_loadupd256_mask.
4785 (_mm256_maskz_loadu_pd): Likewise.
4786 (_mm_mask_loadu_pd): Pass onst double * to
4787 __builtin_ia32_loadupd128_mask.
4788 (_mm_maskz_loadu_pd): Likewise.
4789 (_mm256_mask_storeu_pd): Pass double * to
4790 __builtin_ia32_storeupd256_mask.
4791 (_mm_mask_storeu_pd): Pass double * to
4792 __builtin_ia32_storeupd128_mask.
4793 (_mm256_mask_loadu_ps): Pass const float * to
4794 __builtin_ia32_loadups256_mask.
4795 (_mm256_maskz_loadu_ps): Likewise.
4796 (_mm_mask_loadu_ps): Pass const float * to
4797 __builtin_ia32_loadups128_mask.
4798 (_mm_maskz_loadu_ps): Likewise.
4799 (_mm256_mask_storeu_ps): Pass float * to
4800 __builtin_ia32_storeups256_mask.
4801 (_mm_mask_storeu_ps): ass float * to
4802 __builtin_ia32_storeups128_mask.
4803 (_mm256_mask_loadu_epi64): Pass const long long * to
4804 __builtin_ia32_loaddqudi256_mask.
4805 (_mm256_maskz_loadu_epi64): Likewise.
4806 (_mm_mask_loadu_epi64): Pass const long long * to
4807 __builtin_ia32_loaddqudi128_mask.
4808 (_mm_maskz_loadu_epi64): Likewise.
4809 (_mm256_mask_storeu_epi64): Pass long long * to
4810 __builtin_ia32_storedqudi256_mask.
4811 (_mm_mask_storeu_epi64): Pass long long * to
4812 __builtin_ia32_storedqudi128_mask.
4813 (_mm256_mask_loadu_epi32): Pass const int * to
4814 __builtin_ia32_loaddqusi256_mask.
4815 (_mm256_maskz_loadu_epi32): Likewise.
4816 (_mm_mask_loadu_epi32): Pass const int * to
4817 __builtin_ia32_loaddqusi128_mask.
4818 (_mm_maskz_loadu_epi32): Likewise.
4819 (_mm256_mask_storeu_epi32): Pass int * to
4820 __builtin_ia32_storedqusi256_mask.
4821 (_mm_mask_storeu_epi32): Pass int * to
4822 __builtin_ia32_storedqusi128_mask.
4823 * config/i386/i386-builtin-types.def (PCSHORT): New.
4824 (PINT64): Likewise.
4825 (V64QI_FTYPE_PCCHAR_V64QI_UDI): Likewise.
4826 (V32HI_FTYPE_PCSHORT_V32HI_USI): Likewise.
4827 (V32QI_FTYPE_PCCHAR_V32QI_USI): Likewise.
4828 (V16SF_FTYPE_PCFLOAT_V16SF_UHI): Likewise.
4829 (V8DF_FTYPE_PCDOUBLE_V8DF_UQI): Likewise.
4830 (V16SI_FTYPE_PCINT_V16SI_UHI): Likewise.
4831 (V16HI_FTYPE_PCSHORT_V16HI_UHI): Likewise.
4832 (V16QI_FTYPE_PCCHAR_V16QI_UHI): Likewise.
4833 (V8SF_FTYPE_PCFLOAT_V8SF_UQI): Likewise.
4834 (V8DI_FTYPE_PCINT64_V8DI_UQI): Likewise.
4835 (V8SI_FTYPE_PCINT_V8SI_UQI): Likewise.
4836 (V8HI_FTYPE_PCSHORT_V8HI_UQI): Likewise.
4837 (V4DF_FTYPE_PCDOUBLE_V4DF_UQI): Likewise.
4838 (V4SF_FTYPE_PCFLOAT_V4SF_UQI): Likewise.
4839 (V4DI_FTYPE_PCINT64_V4DI_UQI): Likewise.
4840 (V4SI_FTYPE_PCINT_V4SI_UQI): Likewise.
4841 (V2DF_FTYPE_PCDOUBLE_V2DF_UQI): Likewise.
4842 (V2DI_FTYPE_PCINT64_V2DI_UQI): Likewise.
4843 (VOID_FTYPE_PDOUBLE_V8DF_UQI): Likewise.
4844 (VOID_FTYPE_PDOUBLE_V4DF_UQI): Likewise.
4845 (VOID_FTYPE_PDOUBLE_V2DF_UQI): Likewise.
4846 (VOID_FTYPE_PFLOAT_V16SF_UHI): Likewise.
4847 (VOID_FTYPE_PFLOAT_V8SF_UQI): Likewise.
4848 (VOID_FTYPE_PFLOAT_V4SF_UQI): Likewise.
4849 (VOID_FTYPE_PINT64_V8DI_UQI): Likewise.
4850 (VOID_FTYPE_PINT64_V4DI_UQI): Likewise.
4851 (VOID_FTYPE_PINT64_V2DI_UQI): Likewise.
4852 (VOID_FTYPE_PINT_V16SI_UHI): Likewise.
4853 (VOID_FTYPE_PINT_V8SI_UHI): Likewise.
4854 (VOID_FTYPE_PINT_V4SI_UHI): Likewise.
4855 (VOID_FTYPE_PSHORT_V32HI_USI): Likewise.
4856 (VOID_FTYPE_PSHORT_V16HI_UHI): Likewise.
4857 (VOID_FTYPE_PSHORT_V8HI_UQI): Likewise.
4858 (VOID_FTYPE_PCHAR_V64QI_UDI): Likewise.
4859 (VOID_FTYPE_PCHAR_V32QI_USI): Likewise.
4860 (VOID_FTYPE_PCHAR_V16QI_UHI): Likewise.
4861 (V64QI_FTYPE_PCV64QI_V64QI_UDI): Removed.
4862 (V32HI_FTYPE_PCV32HI_V32HI_USI): Likewise.
4863 (V32QI_FTYPE_PCV32QI_V32QI_USI): Likewise.
4864 (V16HI_FTYPE_PCV16HI_V16HI_UHI): Likewise.
4865 (V16QI_FTYPE_PCV16QI_V16QI_UHI): Likewise.
4866 (V8HI_FTYPE_PCV8HI_V8HI_UQI): Likewise.
4867 (VOID_FTYPE_PV32HI_V32HI_USI): Likewise.
4868 (VOID_FTYPE_PV16HI_V16HI_UHI): Likewise.
4869 (VOID_FTYPE_PV8HI_V8HI_UQI): Likewise.
4870 (VOID_FTYPE_PV64QI_V64QI_UDI): Likewise.
4871 (VOID_FTYPE_PV32QI_V32QI_USI): Likewise.
4872 (VOID_FTYPE_PV16QI_V16QI_UHI): Likewise.
4873 * config/i386/i386.c (ix86_emit_save_reg_using_mov): Don't
4874 use UNSPEC_STOREU.
4875 (ix86_emit_restore_sse_regs_using_mov): Don't use UNSPEC_LOADU.
4876 (ix86_avx256_split_vector_move_misalign): Don't use unaligned
4877 load nor store.
4878 (ix86_expand_vector_move_misalign): Likewise.
4879 (bdesc_special_args): Use CODE_FOR_movvNXY_internal and pointer
4880 to scalar function prototype for unaligned load/store builtins.
4881 (ix86_expand_special_args_builtin): Updated.
4882 * config/i386/sse.md (UNSPEC_LOADU): Removed.
4883 (UNSPEC_STOREU): Likewise.
4884 (VI_ULOADSTORE_BW_AVX512VL): Likewise.
4885 (VI_ULOADSTORE_F_AVX512VL): Likewise.
4886 (ssescalarsize): Handle V4TI, V2TI and V1TI.
4887 (<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
4888 (*<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
4889 (<sse>_storeu<ssemodesuffix><avxsizesuffix>): Likewise.
4890 (<avx512>_storeu<ssemodesuffix><avxsizesuffix>_mask): Likewise.
4891 (<sse2_avx_avx512f>_loaddqu<mode><mask_name>): Likewise.
4892 (*<sse2_avx_avx512f>_loaddqu<mode><mask_name>"): Likewise.
4893 (sse2_avx_avx512f>_storedqu<mode>): Likewise.
4894 (<avx512>_storedqu<mode>_mask): Likewise.
4895 (*sse4_2_pcmpestr_unaligned): Likewise.
4896 (*sse4_2_pcmpistr_unaligned): Likewise.
4897 (*mov<mode>_internal): Renamed to ...
4898 (mov<mode>_internal): This. Remove check of AVX and IAMCU on
4899 misaligned operand. Replace vmovdqu64 with vmovdqu<ssescalarsize>.
4900 (movsd/movhpd to movupd peephole): Don't use UNSPEC_LOADU.
4901 (movlpd/movhpd to movupd peephole): Don't use UNSPEC_STOREU.
4903 2016-04-19 Richard Biener <rguenther@suse.de>
4905 PR tree-optimization/70171
4906 * tree-ssa-phiprop.c: Include stor-layout.h.
4907 (phiprop_insert_phi): Handle the aggregate copy case.
4908 (propagate_with_phi): Likewise.
4910 2016-04-19 Uros Bizjak <ubizjak@gmail.com>
4912 * config/i386/i386.c (ix86_decompose_address): Use lowpart_subreg
4913 instead of simplify_gen_subreg (... , 0).
4914 (ix86_delegitimize_address): Ditto.
4915 (ix86_split_divmod): Ditto.
4916 (ix86_split_copysign_const): Ditto.
4917 (ix86_split_copysign_var): Ditto.
4918 (ix86_expand_args_builtin): Ditto.
4919 (ix86_expand_round_builtin): Ditto.
4920 (ix86_expand_special_args_builtin): Ditto.
4921 * config/i386/i386.md (TARGET_USE_VECTOR_FP_CONVERTS splitters): Ditto.
4922 (TARGET_SSE_PARTIAL_REG_DEPENDENCY splitters and peephole2s): Ditto.
4923 (udivmodqi4): Ditto.
4924 (absneg splitters): Ditto.
4925 (*jcc_bt<mode>_1): Ditto.
4927 2016-04-19 Richard Biener <rguenther@suse.de>
4929 PR tree-optimization/70724
4930 * tree-ssa-sccvn.c (scc_vn_restore_ssa_info): Split SSA info
4931 restoring out from ...
4932 (free_scc_vn): ... here.
4933 * tree-ssa-sccvn.h (scc_vn_restore_ssa_info): Declare.
4934 * tres-ssa-pre.c (pass_pre::execute): Restore SSA info before
4935 tail merging.
4936 (pass_fre::execute): Restore SSA info.
4938 2016-04-19 Richard Biener <rguenther@suse.de>
4940 * gimple-walk.h (struct walk_stmt_info): Add stmt member.
4941 * gimple-walk.c (walk_gimple_op): Initialize it.
4942 (walk_gimple_asm): Set wi->is_lhs before each callback invocation.
4943 * tree-inline.c (remap_gimple_op_r): Set SSA_NAME_DEF_STMT when
4944 remapping SSA names of defs.
4945 (copy_bb): Remove walk over all SSA defs and SSA_NAME_DEF_STMT
4946 adjustment.
4948 2016-04-18 Vladimir Makarov <vmakarov@redhat.com>
4950 PR middle-end/70689
4951 * lra-constraints.c (equiv_substition_p): New.
4952 (process_alt_operands): Use it.
4953 (swap_operands): Swap it.
4954 (curr_insn_transform): Update it.
4956 2016-04-18 Michael Matz <matz@suse.de>
4958 * tree.h (TYPE_ALIGN, DECL_ALIGN): Return shifted amount.
4959 (SET_TYPE_ALIGN, SET_DECL_ALIGN): New.
4960 * tree-core.h (tree_type_common.align): Use bit-field.
4961 (tree_type_common.spare): New.
4962 (tree_decl_common.off_align): Make smaller.
4963 (tree_decl_common.align): Use bit-field.
4965 * expr.c (expand_expr_addr_expr_1): Use SET_TYPE_ALIGN.
4966 * omp-low.c (install_var_field): Use SET_DECL_ALIGN.
4967 (scan_sharing_clauses): Ditto.
4968 (finish_taskreg_scan): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
4969 (omp_finish_file): Ditto.
4970 * stor-layout.c (do_type_align): Use SET_DECL_ALIGN.
4971 (layout_decl): Ditto.
4972 (relayout_decl): Ditto.
4973 (finalize_record_size): Use SET_TYPE_ALIGN.
4974 (finalize_type_size): Ditto.
4975 (finish_builtin_struct): Ditto.
4976 (layout_type): Ditto.
4977 (initialize_sizetypes): Ditto.
4978 * targhooks.c (std_gimplify_va_arg_expr): Use SET_TYPE_ALIGN.
4979 * tree-nested.c (insert_field_into_struct): Use SET_TYPE_ALIGN.
4980 (lookup_field_for_decl): Use SET_DECL_ALIGN.
4981 (get_chain_field): Ditto.
4982 (get_trampoline_type): Ditto.
4983 (get_nl_goto_field): Ditto.
4984 * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
4985 SET_DECL_ALIGN.
4986 (unpack_ts_type_common_value_fields): Use SET_TYPE_ALIGN.
4987 * gimple-expr.c (copy_var_decl): Use SET_DECL_ALIGN.
4988 * tree.c (make_node_stat): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
4989 (build_qualified_type): Use SET_TYPE_ALIGN.
4990 (build_aligned_type, build_range_type_1): Ditto.
4991 (build_atomic_base): Ditto.
4992 (build_common_tree_nodes): Ditto.
4993 * cfgexpand.c (align_local_variable): Use SET_DECL_ALIGN.
4994 (expand_one_stack_var_at): Ditto.
4995 * coverage.c (build_var): Use SET_DECL_ALIGN.
4996 * except.c (init_eh): Ditto.
4997 * function.c (assign_parm_setup_block): Ditto.
4998 * symtab.c (increase_alignment_1): Ditto.
4999 * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Ditto.
5000 * tree-vect-stmts.c (ensure_base_align): Ditto.
5001 * varasm.c (align_variable): Ditto.
5002 (assemble_variable): Ditto.
5003 (build_constant_desc): Ditto.
5004 (output_constant_def_contents): Ditto.
5006 * config/arm/arm.c (arm_relayout_function): Use SET_DECL_ALIGN.
5007 * config/avr/avr.c (avr_adjust_type_node): Use SET_TYPE_ALIGN.
5008 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): Ditto.
5009 * config/msp430/msp430.c (msp430_gimplify_va_arg_expr): Ditto.
5010 * config/spu/spu.c (spu_build_builtin_va_list): Use SET_DECL_ALIGN.
5012 2016-04-18 H.J. Lu <hongjiu.lu@intel.com>
5014 PR target/70708
5015 * config/i386/sse.md (sse2_loadlpd): Accept load from "xm" and
5016 replace %vmovsd with "%vmovq".
5017 (vec_concatv2df): Likewise.
5019 2016-04-18 Uros Bizjak <ubizjak@gmail.com>
5021 * config/i386/mmx.md (*vec_extractv2sf_0): Use gen_lowpart.
5022 (*vec_extractv2si_0): Ditto.
5023 * config/i386/sse.md (*vec_extractv4sf_0): Ditto.
5024 (zero_extended_scalar_load_operand splitters): Ditto.
5025 (vec_extract splitters): Ditto.
5026 (*vec_extractv4si_0_zext): Ditto.
5027 (avx_<castmode><avxsizesuffix>_<castmode>): Use gen_lowpart
5028 and lowpart_subreg.
5029 (avx512f_<castmode><avxsizesuffix>_<castmode>): Ditto.
5030 (avx512f_<castmode><avxsizesuffix>_256<castmode>): Ditto.
5031 (*sse4_1_extractps): Use lowpart_subreg.
5032 * config/i386/i386.md (x87 floatsplitter): Use gen_lowpart.
5034 2016-04-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5036 * doc/install.texi (Specific, i?86-*-solaris2.10): Update gas and
5037 gld requirements.
5038 (Specific, *-*-solaris2*): Update Solaris 11 bundled gcc versions.
5039 Mention Solaris 11 packaging changes.
5040 Update gas and gld requirements.
5041 Remove reference to pre-Solaris 10 bug.
5042 (Specific, sparc-sun-solaris2*): Remove reference to pre-Solaris 10
5043 systems and bugs.
5044 (Specific, sparc64-*-solaris2*): Remove reference to bootstrap
5045 with cc.
5047 2016-04-17 Jan Hubicka <jh@suse.cz>
5049 * tree-ssa-loop-ivopts.c (avg_loop_niter): Use also
5050 max_loop_iterations_int.
5052 2016-04-18 Richard Biener <rguenther@suse.de>
5054 PR tree-optimization/43434
5055 * tree-ssa-structalias.c (struct vls_data): New.
5056 (visit_loadstore): Handle all pointer-based accesses.
5057 (compute_dependence_clique): Compute a bitmap of restrict tags
5058 assigned bases and pass it to visit_loadstore.
5060 2016-04-18 Matthew Wahab <matthew.wahab@arm.com>
5062 PR target/70711
5063 * config/arm/bpabi.h (BE8_LINK_SPEC): Add entries for armv8+crc,
5064 armv8.1-a and armv8.1-a+crc.
5066 2016-04-18 Richard Biener <rguenther@suse.de>
5068 PR tree-optimization/70701
5069 * tree-ssa-sccvn.c (vn_reference_lookup_3): Resolve fully constant
5070 references after translating through a memcpy.
5072 2016-04-18 Richard Biener <rguenther@suse.de>
5074 * tree-ssa-pre.c (postorder, postorder_num): Make locals ...
5075 (compute_antic): ... here. For partial antic use regular
5076 postorder and scrap iteration.
5077 (compute_partial_antic_aux): Remove unused return value.
5078 (init_pre): Do not allocate postorder.
5079 (fini_pre): Do not free postorder.
5081 2016-04-18 Richard Biener <rguenther@suse.de>
5083 PR middle-end/37870
5084 * expmed.c (extract_bit_field_1): Remove broken case
5085 using a wider MODE_INT mode.
5087 2016-04-18 Segher Boessenkool <segher@kernel.crashing.org>
5089 * has-brig.c (lendian16): Don't try to use __builtin_bswap16
5090 unless compiling with at least GCC-4.8.
5092 2016-04-17 Jan Hubicka <jh@suse.cz>
5094 PR bootstrap/70706
5095 * graphite.c (graphite_finalize): Update call to
5096 tree_estimate_probability.
5097 * predict.h (tree_estimate_probability): Update prototype.
5099 2016-04-17 Jan Hubicka <jh@suse.cz>
5101 * predict.c (combine_predictions_for_bb): Add dry_run parmaeter.
5102 (tree_estimate_probability): Likewise.
5103 (pass_profile::execute): Update.
5104 (report_predictor_hitrates): New function.
5105 * profile.c (compute_branch_probabilities): Use it.
5106 * predict.h (report_predictor_hitrates): Declare.
5108 2016-04-17 Jan Hubicka <jh@suse.cz>
5110 PR ipa/70018
5111 * cgraph.h (cgraph_node::set_const_flag,
5112 cgraph_node::set_pure_flag): Update prototype to return bool;
5113 update comment.
5114 * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases): Thunks
5115 of interposable symbol are interposable, too.
5116 (cgraph_set_const_flag_1): Rename to ...
5117 (set_const_flag_1): ... this one; change to self recursive function
5118 instead of call_for_symbol_thunks_and_aliases. Handle correctly
5119 clearnig the flag in all variants and also virtual thunks of const
5120 functions are pure; track if any change was done.
5121 (cgraph_node::set_const_flag): Update.
5122 (struct set_pure_flag_info): New struct.
5123 (cgraph_set_pure_flag_1): Rename to ...
5124 (set_pure_flag_1): ... this one; take set_pure_flag_info parameter
5125 rather than pointer encoded flags; track if any changes was done;
5126 handle correctly clearning flag and setting flag of aliases already
5127 declared const.
5128 (cgraph_node::set_pure_flag): Update.
5129 (cgraph_node::set_nothrow_flag): Handle correctly clearning the flag.
5131 2016-04-17 Tom de Vries <tom@codesourcery.com>
5133 PR other/70433
5134 * pretty-print.c (pp_write_text_as_dot_label_to_stream): Escape
5135 backslash in label.
5137 2016-04-17 Tom de Vries <tom@codesourcery.com>
5139 * pretty-print.c (pp_write_text_as_dot_label_to_stream): Classify chars
5140 '{}<> ' as escape-for-record.
5142 2016-04-17 Tom de Vries <tom@codesourcery.com>
5144 * pretty-print.c (pp_write_text_as_dot_label_to_stream): Simplify loop
5145 structure.
5147 2016-04-17 Tom de Vries <tom@codesourcery.com>
5149 PR other/70185
5150 * tree-pass.h (class opt_pass): Remove graph_dump_initialized member.
5151 * dumpfile.h (struct dump_file_info): Add graph_dump_initialized field.
5152 * dumpfile.c (dump_files): Initialize graph_dump_initialized field.
5153 * passes.c (finish_optimization_passes): Only call
5154 finish_graph_dump_file if dfi->graph_dump_initialized.
5155 (execute_function_dump, pass_init_dump_file): Use
5156 dfi->graph_dump_initialized instead of pass->graph_dump_initialized.
5158 2016-04-17 Tom de Vries <tom@codesourcery.com>
5160 PR tree-optimization/70256
5161 * tree-ssa-structalias.c (dump_varinfo, debug_varinfo, dump_varmap)
5162 (debug_varmap): New function.
5164 2016-04-17 Tom de Vries <tom@codesourcery.com>
5166 PR other/70183
5167 * passes.c (pass_manager::register_pass): Propagate pflags.
5169 2016-04-17 Tom de Vries <tom@codesourcery.com>
5171 PR other/68875
5172 * pass_manager.h (TERMINATE_PASS_LIST): Add pass argument.
5173 * passes.c (pass_manager::pass_manager): Declare and init p_start in
5174 INSERT_PASSES_AFTER. Add pass parameter to TERMINATE_PASS_LIST, and
5175 check if it's equal to p_start.
5176 * passes.def: Add arguments to TERMINATE_PASS_LISTs.
5178 2016-04-15 Jan Hubicka <jh@suse.cz>
5180 PR ipa/70018
5181 * cgraph.c (cgraph_set_const_flag_1): Only set as pure if
5182 function does not bind to current def.
5183 * ipa-pure-const.c (worse_state): Add FROM and TO parameters;
5184 handle conservatively calls to functions that does not need to bind
5185 to current def.
5186 (check_call): Update call of worse_state.
5187 (ignore_edge_for_nothrow): Update.
5188 (ignore_edge_for_pure_const): Likewise.
5189 (propagate_pure_const): Update calls to worse_state.
5190 (skip_function_for_local_pure_const): Reformat comments.
5192 2016-04-15 Jan Hubicka <jh@suse.cz>
5194 PR ipa/70018
5195 * cgraph.c (cgraph_node::get_availability): Add REF parameter.
5196 (cgraph_node::function_symbol): Likewise.
5197 (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
5198 * cgraph.h (symtab_node::get_availabbility): Add REF parameter.
5199 (symtab_node::ultimate_alias_target): Add REF parameter.
5200 (symtab_node::binds_to_current_def_p): Declare.
5201 (symtab_node;:ultimate_alias_target_1): Add REF parameter.
5202 (cgraph_node::function_symbol): Likewise.
5203 (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
5204 (cgraph_node::get_availability): Likewise.
5205 (cgraph_edge::binds_to_current_def_p): New inline function.
5206 (varpool_node::get_availability): Add REF parameter.
5207 (varpool_node::ultimate_alias_target): Likewise.
5208 * symtab.c (symtab_node::ultimate_alias_target_1): Likewise.
5209 (symtab_node::binds_to_current_def_p): Likewise.
5210 * varpool.c (varpool_node::get_availability): Likewise.
5212 2016-04-15 Kirill Yukhin <kirill.yukhin@intel.com>
5214 PR target/70662
5215 * config/i386/sse.md(define_insn "<avx512>_vec_dup<mode><mask_name>"):
5216 Fix mode size check.
5218 2016-04-15 Jakub Jelinek <jakub@redhat.com>
5220 * BASE-VER: Set to 7.0.0.
5222 2016-04-15 Alexander Monakov <amonakov@ispras.ru>
5224 * config/nvptx/nvptx.opt (moptimize): Add a period at end of help text.
5226 2016-04-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5228 * doc/invoke.texi (ARM Options): Add note on deprecation of pre-ARMv4T
5229 architecture revisions.
5231 2016-04-15 Bernd Schmidt <bschmidt@redhat.com>
5233 * config/i386/i386-protos.h (ix86_using_red_zone): Declare.
5234 * config/i386/i386.c (ix86_using_red_zone): No longer static.
5235 * config/i386/i386.md (stack decrement to push peepholes): Guard
5236 with !x86_using_red_zone ().
5238 2016-04-15 Jakub Jelinek <jakub@redhat.com>
5240 PR c++/70675
5241 * tree-pretty-print.c (do_niy): Add FLAGS argument, pass it down
5242 to dump_generic_node.
5243 (NIY): Pass also flags to do_niy.
5245 2016-04-15 Thomas Schwinge <thomas@codesourcery.com>
5247 * omp-low.c (simd_clone_struct_alloc, simd_clone_struct_copy)
5248 (simd_clone_vector_of_formal_parm_types)
5249 (simd_clone_clauses_extract, simd_clone_compute_base_data_type)
5250 (simd_clone_mangle, simd_clone_create)
5251 (simd_clone_adjust_return_type, create_tmp_simd_array)
5252 (simd_clone_adjust_argument_types, simd_clone_init_simd_arrays)
5253 (struct modify_stmt_info, ipa_simd_modify_stmt_ops)
5254 (ipa_simd_modify_function_body, simd_clone_linear_addend)
5255 (simd_clone_adjust, expand_simd_clones, ipa_omp_simd_clone)
5256 (pass_data_omp_simd_clone, class pass_omp_simd_clone)
5257 (pass_omp_simd_clone::gate, make_pass_omp_simd_clone): Move into...
5258 * omp-simd-clone.c: ... this new file.
5259 (simd_clone_vector_of_formal_parm_types): Make it static.
5260 * Makefile.in (OBJS): Add omp-simd-clone.o.
5262 2016-04-15 Kirill Yukhin <kirill.yukhin@intel.com>
5264 PR target/70662
5265 * config/i386/sse.md: Use proper memory operand modifiers.
5268 2016-04-15 Richard Biener <rguenther@suse.de>
5269 Alan Modra <amodra@gmail.com>
5271 PR tree-optimization/70130
5272 * tree-vect-data-refs.c (vect_supportable_dr_alignment): Detect
5273 when alignment stays not the same and no not use the realign
5274 scheme then.
5276 2016-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
5278 PR target/70669
5279 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
5280 direct move handlers for KFmode. Change TFmode handlers test from
5281 FLOAT128_IEEE_P to FLOAT128_VECTOR_P.
5283 2016-04-14 Jakub Jelinek <jakub@redhat.com>
5285 PR c++/70594
5286 * ipa-utils.h (polymorphic_ctor_dtor_p): New prototype.
5287 * ipa-polymorphic-call.c (polymorphic_ctor_dtor_p): New function.
5288 (inlined_polymorphic_ctor_dtor_block_p): Use it.
5289 * tree-ssa-live.c (remove_unused_scope_block_p): When
5290 in_ctor_dtor_block, avoid discarding not just BLOCKs with
5291 BLOCK_ABSTRACT_ORIGIN being FUNCTION_DECL, but even when
5292 block_ultimate_origin is FUNCTION_DECL.
5293 (remove_unused_locals): If current_function_decl is
5294 polymorphic_ctor_dtor_p, pass initial true to
5295 remove_unused_scope_block_p' is_ctor_dtor_block.
5297 2016-04-14 Martin Sebor <msebor@redhat.com>
5299 PR c++/69517
5300 PR c++/70019
5301 PR c++/70588
5302 * doc/extend.texi (Variable Length): Revert.
5304 2016-04-14 Marek Polacek <polacek@redhat.com>
5305 Jan Hubicka <hubicka@ucw.cz>
5307 PR c++/70029
5308 * tree.c (verify_type): Disable the canonical type of main variant
5309 check.
5311 2016-04-14 Jason Merrill <jason@redhat.com>
5313 * cfgexpand.c, expr.c: Revert previous change.
5315 2016-04-14 Cesar Philippidis <cesar@codesourcery.com>
5317 PR middle-end/70643
5318 * omp-low.c (lower_oacc_reductions): Check for TREE_CONSTANT
5319 when building a mem ref for the incoming reduction variable.
5321 2016-04-14 Richard Biener <rguenther@suse.de>
5323 PR tree-optimization/70614
5324 * tree-scalar-evolution.c (analyze_evolution_in_loop): Terminate
5325 loop if the evolution dropped to chrec_dont_know.
5326 (interpret_condition_phi): Likewise.
5328 2016-04-14 Richard Biener <rguenther@suse.de>
5330 PR tree-optimization/70623
5331 * tree-ssa-pre.c (changed_blocks): Make global ...
5332 (compute_antic): ... local here. Move and fix worklist
5333 handling here. Do not clear EDGE_DFS_BACK or call mark_dfs_back_edges.
5334 (compute_antic_aux): Add dumping for MAX assumed succs. Remove
5335 worklist handling, dump when ANTIC_IN changed.
5336 (compute_partial_antic_aux): Remove worklist handling.
5337 (init_pre): Do not compute post dominators. Add a comment about
5338 the CFG order chosen.
5339 (fini_pre): Do not free post dominators.
5341 2016-04-13 Martin Sebor <msebor@redhat.com>
5343 PR c++/69517
5344 PR c++/70019
5345 PR c++/70588
5346 * doc/extend.texi (Variable Length): Document C++ specifics.
5348 2016-04-13 Jakub Jelinek <jakub@redhat.com>
5350 PR c++/70641
5351 * ipa-pure-const.c (pass_nothrow::execute): Call maybe_clean_eh_stmt
5352 on all recursive call stmts. Return TODO_cleanup_cfg if any dead
5353 eh edges have been purged.
5355 PR c++/70594
5356 * tree-sra.c (create_access_replacement,
5357 get_replaced_param_substitute): Set DECL_NAMELESS on repl if it
5358 gets fancy name.
5359 * tree-pretty-print.c (dump_fancy_name): New function.
5360 (dump_decl_name, dump_generic_node): Use it.
5362 2016-04-13 Jason Merrill <jason@redhat.com>
5364 * cfgexpand.c (pass_expand::execute): Handle attribute "abi warning".
5365 * expr.c (expand_expr_real_1): Likewise.
5367 2016-04-13 Ilya Enkovich <ilya.enkovich@intel.com>
5369 * config/i386/i386.md (kunpckhi): Swap operands.
5370 (kunpcksi): Likewise.
5371 (kunpckdi): Likewise.
5372 * config/i386/sse.md (vec_pack_trunc_qi): Likewise.
5373 (vec_pack_trunc_<mode>): Likewise.
5375 2016-04-13 Jakub Jelinek <jakub@redhat.com>
5377 PR debug/70628
5378 * explow.c (convert_memory_address_addr_space_1): Formatting fix.
5380 PR middle-end/70633
5381 * gimplify.c (gimplify_init_constructor): Clear TREE_STATIC if
5382 gimplification turns some element into non-constant.
5384 PR debug/70628
5385 * rtl.h (convert_memory_address_addr_space_1): New prototype.
5386 * explow.c (convert_memory_address_addr_space_1): No longer static,
5387 add NO_EMIT argument and don't call convert_modes if true, pass
5388 it down recursively, remove break after return.
5389 (convert_memory_address_addr_space): Adjust caller.
5390 * simplify-rtx.c (simplify_unary_operation_1): Call
5391 convert_memory_address_addr_space_1 instead of convert_memory_address,
5392 if it returns NULL, don't simplify.
5394 2016-04-12 Eric Botcazou <ebotcazou@adacore.com>
5396 PR target/70630
5397 * config/sparc/sparc.c (sparc_compute_frame_size): Add parentheses.
5399 2016-04-12 Jakub Jelinek <jakub@redhat.com>
5401 * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
5402 Bump the upper SIMDLEN limits, so that if the return type or
5403 characteristic type if the return type is void can be passed in
5404 all available SSE2/AVX/AVX2/AVX512-F registers, the SIMDLEN is
5405 allowed.
5407 2016-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
5409 PR target/70640
5410 * config/rs6000/rs6000.md (ieee_128bit_vsx_neg<mode>2_internal):
5411 Do not use "=" constraint on an input constraint.
5412 (ieee_128bit_vsx_abs<mode>2_internal): Likewise.
5413 (ieee_128bit_vsx_nabs<mode>2_internal): Likewise.
5414 (ieee_128bit_vsx_nabs<mode>2): Correct splitter so that it
5415 generates (neg (abs ...)) instead of (abs ...).
5417 2016-04-12 Jakub Jelinek <jakub@redhat.com>
5419 PR rtl-optimization/70596
5420 * lra-spills.c (spill_pseudos): Don't delete debug insns, instead
5421 just invalidate LRA data and reset them. Adjust dump wording.
5423 2016-04-12 Martin Liska <mliska@suse.cz>
5425 Revert
5426 2016-03-30 Jan Hubicka <hubicka@ucw.cz>
5428 * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
5429 estimates here.
5430 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
5431 max_loop_iterations_int.
5432 (tree_unswitch_outer_loop): Likewise.
5433 * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
5434 * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
5436 2016-04-12 Tom de Vries <tom@codesourcery.com>
5438 PR tree-optimization/68756
5439 * graphite-isl-ast-to-gimple.c (copy_cond_phi_args): Use new_expr
5440 instead of new_name.
5442 2016-04-12 Jakub Jelinek <jakub@redhat.com>
5444 PR tree-optimization/70602
5445 * tree-sra.c (generate_subtree_copies): Don't write anything into
5446 constant pool decls.
5448 * omp-low.c (lower_omp_target): Use GOMP_MAP_FIRSTPRIVATE_INT
5449 regardless whether there are depend clauses or not.
5451 2016-04-11 Michael Meissner <meissner@linux.vnet.ibm.com>
5453 PR target/70381
5454 * config/rs6000/rs6000.c (rs6000_opt_masks): Disable using the
5455 target attribute and pragma from changing the -mfloat128
5456 and -mfloat128-hardware options.
5458 * doc/extend.texi (Additional Floating Types): Document PowerPC
5459 __float128 restrictions.
5461 2016-04-11 James Greenhalgh <james.greenhalgh@arm.com>
5463 PR target/70133
5464 * config/aarch64/driver-aarch64.c
5465 (aarch64_get_extension_string_for_isa_flags): New.
5466 (arch_extension): Rename to...
5467 (aarch64_arch_extension): ...This.
5468 (ext_to_feat_string): Rename to...
5469 (aarch64_extensions): ...This.
5470 (aarch64_core_data): Keep track of architecture extension flags.
5471 (cpu_data): Rename to...
5472 (aarch64_cpu_data): ...This.
5473 (aarch64_arch_driver_info): Keep track of architecture extension
5474 flags.
5475 (get_arch_name_from_id): Rename to...
5476 (get_arch_from_id): ...This, change return type.
5477 (host_detect_local_cpu): Update and reformat for renames, handle
5478 extensions through common infrastructure.
5480 2016-04-11 James Greenhalgh <james.greenhalgh@arm.com>
5482 PR target/70133
5483 * config/aarch64/aarch64-common.c (aarch64_option_extension): Keep
5484 track of a canonical flag name.
5485 (all_extensions): Likewise.
5486 (arch_to_arch_name): Also track extension flags enabled by the arch.
5487 (all_architectures): Likewise.
5488 (aarch64_parse_extension): Move to here.
5489 (aarch64_get_extension_string_for_isa_flags): Take a new argument,
5490 rework.
5491 (aarch64_rewrite_selected_cpu): Update for above change.
5492 * config/aarch64/aarch64-option-extensions.def: Rework the way flags
5493 are handled, such that the single explicit value enabled by an
5494 extension is kept seperate from the implicit values it also enables.
5495 * config/aarch64/aarch64-protos.h (aarch64_parse_opt_result): Move
5496 to here.
5497 (aarch64_parse_extension): New.
5498 * config/aarch64/aarch64.c (aarch64_parse_opt_result): Move from
5499 here to config/aarch64/aarch64-protos.h.
5500 (aarch64_parse_extension): Move from here to
5501 common/config/aarch64/aarch64-common.c.
5502 (aarch64_option_print): Update.
5503 (aarch64_declare_function_name): Likewise.
5504 (aarch64_start_file): Likewise.
5505 * config/aarch64/driver-aarch64.c (arch_extension): Keep track of
5506 the canonical flag for extensions.
5507 * config.gcc (aarch64*-*-*): Extend regex for capturing extension
5508 flags.
5510 2016-04-11 James Greenhalgh <james.greenhalgh@arm.com>
5512 * config/aarch64/aarch64.h (AARCH64_FL_FOR_ARCH8_1): Also add
5513 AARCH64_FL_CRC.
5515 2016-04-09 Tom de Vries <tom@codesourcery.com>
5517 PR tree-optimization/68953
5518 * graphite-sese-to-poly.c (pdr_add_memory_accesses): Order accesses from
5519 first to last subscript.
5521 2016-04-09 Jakub Jelinek <jakub@redhat.com>
5523 PR tree-optimization/70586
5524 * tree-ssa-ifcombine.c (bb_no_side_effects_p): Return false
5525 for any calls.
5527 2016-04-08 Cesar Philippidis <cesar@codesourcery.com>
5529 PR lto/70289
5530 PR ipa/70348
5531 PR tree-optimization/70373
5532 PR middle-end/70533
5533 PR middle-end/70534
5534 PR middle-end/70535
5535 * gimplify.c (gimplify_adjust_omp_clauses): Add or adjust data
5536 clauses for acc parallel reductions as necessary. Error on those
5537 that are private.
5538 * omp-low.c (scan_sharing_clauses): Don't install variables which
5539 are used in acc parallel reductions.
5540 (lower_rec_input_clauses): Remove dead code.
5541 (lower_oacc_reductions): Add support for reference reductions.
5542 (lower_reduction_clauses): Remove dead code.
5543 (lower_omp_target): Don't remap variables appearing in acc parallel
5544 reductions.
5545 * tree.h (OMP_CLAUSE_MAP_IN_REDUCTION): New macro.
5547 2016-04-08 Jakub Jelinek <jakub@redhat.com>
5549 PR middle-end/70593
5550 * tree-ssa-coalesce.c (build_ssa_conflict_graph): For stmt
5551 with multiple SSA_NAME defs, force the outputs other than first
5552 to be live before calling live_track_process_def on each output.
5554 PR rtl-optimization/70574
5555 * fwprop.c (forward_propagate_and_simplify): Don't add
5556 REG_EQUAL note if DF_REF_REG (use) is a paradoxical subreg.
5557 (try_fwprop_subst): Don't add REG_EQUAL note if there are any
5558 paradoxical subregs within *loc.
5560 2016-04-08 Thomas Schwinge <thomas@codesourcery.com>
5562 * config/arc/arc.h (LINK_COMMAND_SPEC): Use gt to ignore
5563 -ftree-parallelize-loops={0,1}.
5564 * config/darwin.h (LINK_COMMAND_SPEC_A): Likewise.
5565 * config/i386/mingw32.h (GOMP_SELF_SPECS): Likewise.
5566 * config/ia64/hpux.h (LIB_SPEC): Likewise.
5567 * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
5568 * config/pa/pa64-hpux.h (LIB_SPEC): Likewise.
5570 2016-04-08 Maxim Ostapenko <m.ostapenko@samsung.com>
5572 PR sanitizer/70541
5573 * asan.c (instrument_derefs): If we get unknown location, extract it
5574 with EXPR_LOCATION.
5575 (maybe_instrument_call): Instrument gimple_call's arguments if needed.
5577 2016-04-08 Tom de Vries <tom@codesourcery.com>
5579 * omp-low.c (lower_omp_target): Set TREE_NO_WARNING for oacc
5580 implicit firstprivate clause.
5582 2016-04-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5584 PR target/70566
5585 * config/arm/thumb2.md (tst + branch-> lsls + branch
5586 peephole below *orsi_not_shiftsi_si): Require that condition
5587 register is dead after the peephole.
5588 (second peephole after the above): Likewise.
5590 2016-04-08 Alan Modra <amodra@gmail.com>
5592 PR target/70117
5593 * builtins.c (fold_builtin_classify): For IBM extended precision,
5594 look at just the high-order double to test for NaN.
5595 (fold_builtin_interclass_mathfn): Similarly for Inf. For isnormal
5596 test just the high double for Inf but both doubles for subnormal
5597 limit.
5599 2016-04-07 Jakub Jelinek <jakub@redhat.com>
5601 * cgraph.h (struct cgraph_simd_clone): Add mask_mode field.
5602 * omp-low.c (simd_clone_init_simd_arrays, simd_clone_adjust): Handle
5603 node->simdclone->mask_mode != VOIDmode masks.
5604 (simd_clone_adjust_argument_types): Likewise. Move sc var definition
5605 earlier, use it instead of node->simdclone.
5606 * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
5607 Set clonei->mask_mode.
5609 2016-04-06 Patrick Palka <ppalka@gcc.gnu.org>
5611 PR c/70436
5612 * parser.c (cp_parser_iteration_statement): New parameter IF_P.
5613 Pass it through to cp_parser_already_scoped_statement.
5614 (cp_parser_already_scoped_statement): New parameter IF_P. Pass
5615 it through to cp_parser_statement.
5616 (cp_parser_statement): Pass IF_P through to
5617 cp_parser_iteration_statement.
5618 (cp_parser_pragma): Adjust call to
5619 cp_parser_iteration_statement.
5621 2016-04-06 Patrick Palka <ppalka@gcc.gnu.org>
5623 PR c/70436
5624 * gimplify.c (gimplify_omp_ordered): Add explicit braces to
5625 resolve a future -Wparentheses warning.
5626 * omp-low.c (scan_sharing_clauses): Likewise.
5627 * tree-parloops.c (eliminate_local_variables): Likewise.
5629 2016-04-06 Vladimir Makarov <vmakarov@redhat.com>
5631 PR rtl-optimization/70398
5632 * lra-constraints.c (process_address_1): Check zero scale and code
5633 for reloading with zero scale.
5635 2016-04-06 Uros Bizjak <ubizjak@gmail.com>
5637 * config/i386/sse.md (shuffletype): Add V32HI and V4TI modes.
5638 (ssescalarsize): Add V8SF, V4SF, V4DF and V2DF modes.
5640 2016-04-06 Jakub Jelinek <jakub@redhat.com>
5642 * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
5643 Add support for AVX512F clones, include them by default for
5644 exported OpenMP declare simd functions. For AVX2 allow simdlen 32
5645 and use it if charasteric type is 8-bit, for AVX512F allow simdlen
5646 up to 128.
5648 PR middle-end/70550
5649 * tree.h (OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT): Define.
5650 * gimplify.c (gimplify_adjust_omp_clauses_1): Set it for implicit
5651 firstprivate clauses.
5652 * omp-low.c (lower_send_clauses): Set TREE_NO_WARNING for
5653 OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT !by_ref vars in task contexts.
5654 (lower_omp_target): Set TREE_NO_WARNING for
5655 non-addressable possibly uninitialized vars which are copied into
5656 addressable temporaries or copied for GOMP_MAP_FIRSTPRIVATE_INT.
5658 2016-04-05 John David Anglin <danglin@gcc.gnu.org>
5660 * config/pa/predicates.md (integer_store_memory_operand): Accept
5661 REG+D operands with a large offset when reload_in_progress is true.
5662 (floating_point_store_memory_operand): Likewise.
5664 2016-04-05 Jakub Jelinek <jakub@redhat.com>
5666 PR c++/70336
5667 * match.pd (nested int casts): Limit to GIMPLE.
5669 2016-04-05 Jan Hubicka <hubicka@ucw.cz>
5671 PR ipa/66223
5672 * ipa-devirt.c (maybe_record_node): Fix comment; use
5673 SANITIZE_UNREACHABLE instead of SANITIZE_UNDEFINED.
5675 2016-04-05 Jakub Jelinek <jakub@redhat.com>
5677 PR rtl-optimization/70542
5678 * ree.c (add_removable_extension): For VECTOR_MODE_P punt
5679 if there are any uses other than insn or debug insns.
5681 2016-04-05 Marc Glisse <marc.glisse@inria.fr>
5682 Jakub Jelinek <jakub@redhat.com>
5684 PR tree-optimization/70509
5685 * simplify-rtx.c (simplify_binary_operation_1) <case VEC_SELECT>:
5686 Shift HOST_WIDE_INT_1U instead of 1.
5688 2016-04-05 Zdenek Sojka <zsojka@seznam.cz>
5690 PR tree-optimization/70509
5691 * tree-ssa-forwprop.c (simplify_bitfield_ref): Use bitsize_int instead
5692 of the vector base type for index.
5694 2016-04-05 Uros Bizjak <ubizjak@gmail.com>
5696 PR target/70510
5697 * config/i386/sse.md (iptr): Add V64QI, V32HI, V16SI and V8DI modes.
5699 2016-04-05 Richard Biener <rguenther@suse.de>
5701 PR tree-optimization/70526
5702 * tree-sra.c (build_ref_for_offset): Use prev_base to
5703 extract the alias pointer type.
5705 2016-04-05 Richard Biener <rguenther@suse.de>
5707 * dse.c (struct store_info): Remove alias_set member.
5708 (struct read_info_type): Likewise.
5709 (clear_alias_group, clear_alias_mode_table, clear_alias_mode_holder,
5710 spill_deleted, clear_alias_set_lookup): Remove.
5711 (get_group_info): Remove dead base == NULL_RTX case.
5712 (dse_step0): Remove initialization of removed variables.
5713 (delete_dead_store_insn): Reomve alias set dumping.
5714 (free_read_records): Remove alias_set handling.
5715 (canon_address): Remove alias_set_out parameter.
5716 (record_store): Remove spill_alias_set, it's always zero.
5717 (check_mem_read_rtx): Likewise.
5718 (dse_step2): Rename from ...
5719 (dse_step2_nospill): ... this. Adjust.
5720 (scan_stores): Rename from ...
5721 (scan_stores_nospill): ... this.
5722 (scan_reads): Rename from ...
5723 (scan_reads_nospill): ... this.
5724 (scan_stores_spill, scan_reads_spill): Remove.
5725 (dse_step3_scan): Remove for_spills argument which is always false.
5726 (dse_step3): Likewise.
5727 (dse_step5): Rename from ...
5728 (dse_step5_nospill): ... this. Remove alias_set handling.
5729 (rest_of_handle_dse): Adjust.
5731 2016-04-05 Jakub Jelinek <jakub@redhat.com>
5733 PR target/70525
5734 * config/i386/sse.md (*andnot<mode>3): Simplify assertions.
5735 Use vpandn<ssemodesuffix> for V16SI/V8DImode, vpandnq for
5736 V32HI/V64QImode, don't use <mask_operand3_1>, fix up formatting.
5737 (*andnot<mode>3_mask): Remove insn with VI12_AVX512VL iterator.
5739 2016-04-05 Richard Biener <rguenther@suse.de>
5741 PR middle-end/70499
5742 * gimplify-me.c (gimple_regimplify_operands): Do not rewrite
5743 non-register type temporaries into SSA.
5745 2016-04-04 Jan Hubicka <hubicka@ucw.cz>
5747 PR ipa/66223
5748 * ipa-devirt.c (maybe_record_node): Do not optimize cxa_pure_virtual
5749 calls when sanitizing.
5750 (possible_polymorphic_call_target_p): Fix formatting.
5752 2016-04-04 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
5753 Jakub Jelinek <jakub@redhat.com>
5755 PR middle-end/70457
5756 * tree-inline.c (estimate_num_insn): Use gimple_call_builtin_p
5757 to ensure a call statement is compatible with a built-in's
5758 prototype.
5759 * tree-ssa-math-opts.c (pass_optimize_windening_mul::execute):
5760 Likewise.
5762 2016-04-04 Richard Biener <rguenther@suse.de>
5764 PR rtl-optimization/70484
5765 * rtl.h (canon_output_dependence): Declare.
5766 * alias.c (canon_output_dependence): New function.
5767 * dse.c (record_store): Use canon_output_dependence rather
5768 than canon_true_dependence.
5770 2016-03-30 Jan Hubicka <hubicka@ucw.cz>
5772 PR ipa/68881
5773 * cgraph.h (symtab_node::copy_visibility_from): New function.
5774 * symtab.c (symtab_node::copy_visibility_from): New function.
5775 * ipa-visibility.c (optimize_weakref): New function.
5776 (function_and_variable_visibility): Use it.
5778 2016-04-04 Martin Liska <mliska@suse.cz>
5780 PR hsa/70402
5781 * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Guard index
5782 value that is really in range handled by SBR instruction.
5783 * hsa-brig.c (emit_switch_insn): Do not emit unconditional jump.
5784 * hsa-dump.c (dump_hsa_insn_1): Do not dump default BB.
5785 * hsa.h (hsa_insn_sbr::m_default_bb): Remove field.
5787 2016-04-03 Oleg Endo <olegendo@gcc.gnu.org>
5789 PR target/70416
5790 PR target/67391
5791 * config/sh/sh.md (*addsi3): Allow pattern when reload_in_progress is
5792 set, but not for SP_REG operands.
5794 2016-04-02 Martin Sebor <msebor@redhat.com>
5796 PR c++/67376
5797 * fold-const.c (maybe_nonzero_address): New function.
5798 (fold_comparison): Call it. Fold equality and relational
5799 expressions involving null pointers.
5800 (tree_single_nonzero_warnv_p): Call maybe_nonzero_address.
5802 2016-03-31 Evandro Menezes <e.menezes@samsung.com>
5804 Fix the predicate "aarch64_simd_reg_or_zero" to correctly validate
5805 the "Y" constraint (scalar FP 0.0 immediate).
5807 * gcc/config/aarch64/predicates.md (aarch64_simd_reg_or_zero):
5808 Add the "const_double" to the list of operand constraints.
5810 2016-04-01 Jakub Jelinek <jakub@redhat.com>
5812 PR rtl-optimization/70467
5813 * config/i386/i386.md (*add<dwi>3_doubleword, *sub<dwi>3_doubleword):
5814 If low word of the last operand is 0, just emit addition/subtraction
5815 for the high word.
5817 2016-04-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
5819 PR target/70404
5820 * config/s390/s390.c (s390_expand_insv): Check for everything
5821 constant instead of just VOIDmode stuff.
5823 2016-04-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
5825 PR target/70496
5826 * config/arm/arm.h (ASM_APP_OFF): Handle TARGET_ARM and TARGET_THUMB.
5828 2016-04-01 Nathan Sidwell <nathan@acm.org>
5830 * tree.def (TRY_CATCH_EXPR): Correct documentation.
5832 2016-03-31 Vladimir Makarov <vmakarov@redhat.com>
5834 PR rtl-optimization/70461
5835 * ira-color.c (allocno_copy_cost_saving): Use allocno class if it
5836 is necessary.
5838 2016-03-31 Martin Liska <mliska@suse.cz>
5840 PR hsa/70399
5841 * hsa-brig.c (hsa_op_immed::emit_to_buffer): Emit either
5842 a tree value or an immediate integer value to a buffer
5843 that is eventually copied to a BRIG section.
5844 (emit_immediate_operand): Call the function here.
5845 * hsa-dump.c (dump_hsa_immed): Remove checking assert.
5846 * hsa-gen.c (hsa_op_immed::hsa_op_immed): Remove initialization
5847 of class' fields that are removed.
5848 (hsa_op_immed::~hsa_op_immed): Remove deinitialization.
5849 * hsa.h (class hsa_op_immed): Remove m_brig_repr and
5850 m_brig_repr_size fields.
5852 2016-03-31 Martin Liska <mliska@suse.cz>
5854 PR hsa/70391
5855 * hsa-gen.c (hsa_function_representation::update_dominance): New
5856 function.
5857 (convert_addr_to_flat_segment): Likewise.
5858 (gen_hsa_memory_set): New alignment argument.
5859 (gen_hsa_ctor_assignment): Likewise.
5860 (gen_hsa_insns_for_single_assignment): Provide alignment
5861 to gen_hsa_ctor_assignment.
5862 (gen_hsa_insns_for_direct_call): Add new argument.
5863 (expand_lhs_of_string_op): New function.
5864 (expand_string_operation_builtin): Likewise.
5865 (expand_memory_copy): New function.
5866 (expand_memory_set): New function.
5867 (gen_hsa_insns_for_call): Use HOST_WIDE_INT.
5868 (convert_switch_statements): Change signature.
5869 (generate_hsa): Use a return value of the function.
5870 (pass_gen_hsail::execute): Do not call
5871 convert_switch_statements here.
5872 * hsa-regalloc.c (hsa_regalloc): Call update_dominance.
5873 * hsa.h (hsa_function_representation::m_modified_cfg): New flag.
5874 (hsa_function_representation::update_dominance): New function.
5876 2016-03-31 Martin Liska <mliska@suse.cz>
5878 PR hsa/70391
5879 * hsa-brig.c (emit_directive_variable): Emit alignment
5880 according to hsa_symbol::m_align.
5881 * hsa-dump.c (hsa_byte_alignment): Move the function to another file.
5882 (dump_hsa_symbol): Dump alignment of HSA symbols.
5883 * hsa-gen.c (get_symbol_for_decl): Set-up alignment of a symbol.
5884 (gen_hsa_addr_with_align): New function.
5885 (hsa_bitmemref_alignment): Use newly added function.
5886 (gen_hsa_insns_for_load): Likewise.
5887 (gen_hsa_insns_for_store): Likewise.
5888 (gen_hsa_memory_copy): New argument added.
5889 (gen_hsa_insns_for_single_assignment): Respect
5890 alignment for assignments processed via gen_hsa_memory_copy.
5891 (gen_hsa_insns_for_direct_call): Likewise.
5892 (gen_hsa_insns_for_return): Likewise.
5893 (gen_function_def_parameters): Set default alignment.
5894 * hsa.c (hsa_object_alignment): New function.
5895 (hsa_byte_alignment): Pasted function.
5896 * hsa.h (hsa_symbol::m_align): New field.
5898 2016-03-31 Bin Cheng <bin.cheng@arm.com>
5900 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Initialize
5901 scratch field for goto case.
5903 2016-03-31 James Greenhalgh <james.greenhalgh@arm.com>
5905 * config/arm/linux-elf.h (ASM_OUTPUT_DEF): Delete.
5907 2016-03-31 Ilya Enkovich <enkovich.gnu@gmail.com>
5909 PR target/70442
5910 * config/i386/i386.c (scalar_chain::convert_op): Fix description.
5911 (scalar_chain::convert_insn): Call convert_op for reg
5912 moves to handle undefined registers.
5914 2016-03-31 Nathan Sidwell <nathan@acm.org>
5916 PR c++/70393
5917 * varasm.c (output_constructor_regular_field): Flush bitfield earlier.
5918 Assert we don't want to move backwards.
5920 2016-03-31 Kirill Yukhin <kirill.yukhin@intel.com>
5922 PR target/70453
5923 * config/i386/sse.md (define_mode_attr shuffletype): Fix typo.
5925 2016-03-31 Jakub Jelinek <jakub@redhat.com>
5927 PR rtl-optimization/70460
5928 * ira.c (indirect_jump_optimize): Don't substitute LABEL_REF
5929 with operand from REG_LABEL_OPERAND, instead substitute
5930 SET_SRC or REG_EQUAL note content if it is a LABEL_REF.
5931 Don't do anything for REG_NON_LOCAL_GOTO jumps.
5933 2016-03-31 Martin Liska <mliska@suse.cz>
5935 * passes.c (execute_one_pass): Do not call
5936 todo_after for a discarded function.
5938 2016-03-31 Bin Cheng <bin.cheng@arm.com>
5940 * tree-ssa-loop-ivopts.c (struct comp_cost): New scrach field.
5941 (no_cost, infinite_cost): Initialize the new field.
5942 (get_computation_cost_at): Record setup cost.
5943 (determine_use_iv_cost_address): Skip cost computation for sub
5944 uses if we can estimate it without losing accuracy.
5946 2016-03-30 Jan Hubicka <hubicka@ucw.cz>
5948 * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
5949 estimates here.
5950 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
5951 max_loop_iterations_int.
5952 (tree_unswitch_outer_loop): Likewise.
5953 * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
5954 * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
5956 2016-03-30 Richard Biener <rguenther@suse.de>
5958 PR middle-end/70450
5959 * fold-const.c (extract_muldiv_1): Fix thinko in wide_int::from usage.
5961 2016-03-30 Jakub Jelinek <jakub@redhat.com>
5963 PR target/70421
5964 * config/i386/i386.c (ix86_expand_vector_set): Fix up argument order
5965 in gen_blendm expander.
5967 2016-03-30 Nick Clifton <nickc@redhat.com>
5969 PR target/62254
5970 * config/arm/arm.c (arm_reload_out_hi): Add code to handle the
5971 case where we are already provided with an SImode SUBREG.
5973 2016-03-30 H.J. Lu <hongjiu.lu@intel.com>
5975 PR target/70439
5976 * config/i386/i386.c (ix86_expand_epilogue): Properly check
5977 conflict between DRAP register and __builtin_eh_return.
5979 2016-03-30 Michael Matz <matz@suse.de>
5980 Richard Biener <rguenther@suse.de>
5982 PR ipa/12392
5983 * ipa-polymorphic-call.c (struct type_change_info): Change
5984 speculative to an unsigned allowing to limit the work we do.
5985 (csftc_abort_walking_p): New inline function..
5986 (check_stmt_for_type_change): Limit the number of may-defs
5987 skipped for speculative devirtualization to
5988 max-speculative-devirt-maydefs.
5989 * params.def (max-speculative-devirt-maydefs): New param.
5990 * doc/invoke.texi (--param max-speculative-devirt-maydefs): Document.
5992 2016-03-30 Mike Stump <mrs@gcc.gnu.org>
5994 PR target/63890
5995 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Use when profiling
5996 and TARGET_MACHO.
5998 2016-03-30 Patrick Palka <ppalka@gcc.gnu.org>
6000 PR tree-optimization/59124
6001 * tree-vrp.c (register_edge_assert_for_2): For NAME != CST1
6002 where NAME = A +- CST2 add the assertion A != (CST1 -+ CST2).
6004 2016-03-29 Jeff Law <law@redhat.com>
6006 * tree-ssa-coalesce.c (struct ssa_conflicts): Fix typo in comment.
6008 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
6010 * tree-ssa-loop-ivcanon.c (try_peel_loop): Change type of peel
6011 to HOST_WIDE_INT.
6013 2016-03-29 Thomas Schwinge <thomas@codesourcery.com>
6015 * config/gnu.h (CPP_SPEC, LIB_SPEC): Don't override.
6016 * config/i386/gnu.h (STARTFILE_SPEC): Use gcrt1.o instead of
6017 gcrt0.o if linking dynamically.
6019 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
6021 PR ipa/70283
6022 * ipa-devirt.c (methods_equal_p): New function.
6023 (compare_virtual_tables): Use it.
6024 * cgraph.h (symbol_table::symbol_suffix_separator): Declare.
6025 * cgraphclones.c (clone_function_name_1): Use
6026 symbol_table::symbol_suffix_separator.
6027 * coverage.c (build_var): Likewise.
6028 * symtab.c (symbol_table::symbol_suffix_separator): New.
6030 2016-03-29 Jakub Jelinek <jakub@redhat.com>
6032 PR rtl-optimization/70429
6033 * combine.c (simplify_shift_const_1): For ASHIFTRT don't optimize
6034 (cst1 >> count) >> cst2 into (cst1 >> cst2) >> count if
6035 mode != result_mode.
6037 PR c++/70353
6038 * tree-inline.c (remap_decls): Don't add_local_decl if cfun is null.
6040 PR tree-optimization/70405
6041 * ssa-iterators.h (num_imm_uses): Add missing braces.
6043 2016-03-29 Vladimir Makarov <vmakarov@redhat.com>
6045 PR rtl-optimization/68695
6046 * ira-color.c (allocno_copy_cost_saving): New.
6047 (improve_allocation): Use it.
6049 2016-03-29 Richard Henderson <rth@redhat.com>
6051 PR middle-end/70355
6052 * lower-subreg.c (simplify_subreg_concatn): Reject paradoxical subregs.
6054 2016-03-29 Richard Biener <rguenther@suse.de>
6056 PR middle-end/70424
6057 * ipa-prop.c (ipa_compute_jump_functions_for_edge): Always
6058 use alignment returned by get_pointer_alignment_1 if it is
6059 bigger than BITS_PER_UNIT.
6060 * builtins.c (get_pointer_alignment_1): Do not return true
6061 for alignment extracted from SSA info.
6063 2016-03-28 James Bowman <james.bowman@ftdichip.com>
6065 * config/ft32/ft32.opt (mnodiv): New.
6066 * config/ft32/ft32.md (*divsi3, *modsi3): Qualify with TARGET_NODIV.
6067 * doc/invoke.texi (FT32 Options -mnodiv): New.
6069 2016-03-28 Kirill Yukhin <kirill.yukhin@intel.com>
6071 PR target/70406
6072 * config/i386/i386.md (define_split, andn): Fix modes.
6074 2016-03-26 Richard Biener <rguenther@suse.de>
6075 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
6077 PR ipa/70366
6078 * ipa-inline-transform.c (inline_call): Pass opts_for_fn (to->decl)
6079 instead of
6080 TREE_OPTIMIZATION (DECL_FUNCTION_SPECIFIC_OPTIMIZATION (to->decl))
6081 as 2nd argument to cl_optimization_restore().
6083 2016-03-25 Richard Henderson <rth@redhat.com>
6085 PR target/70120
6086 * config/aarch64/aarch64.c (aarch64_asm_output_pool_epilogue): New.
6087 * config/aarch64/aarch64-protos.h: Declare it.
6088 * config/aarch64/aarch64.h (ASM_OUTPUT_POOL_EPILOGUE): New.
6090 2016-03-25 Alan Modra <amodra@gmail.com>
6092 PR target/70052
6093 * config/rs6000/constraints.md (j): Simplify.
6094 * config/rs6000/predicates.md (easy_fp_constant): Exclude
6095 decimal float 0.D.
6096 * config/rs6000/rs6000.md (zero_fp): New mode_attr.
6097 (mov<mode>_hardfloat, mov<mode>_hardfloat32, mov<mode>_hardfloat64,
6098 mov<mode>_64bit_dm, mov<mode>_32bit): Use zero_fp in place of j
6099 in all constraint alternatives.
6100 (movtd_64bit_nodm): Delete "j" constraint alternative.
6102 2016-03-24 Aldy Hernandez <aldyh@redhat.com>
6104 * tree-ssa-propagate.c: Enhance docs for
6105 SSA_PROP_NOT_INTERESTING.
6107 2016-03-24 Aldy Hernandez <aldyh@redhat.com>
6109 * doc/extend.texi: Fix typo in documentation to pure attribute.
6111 2016-03-24 John David Anglin <danglin@gcc.gnu.org>
6113 PR target/70319
6114 * config/pa/pa.md (bswapdi2): Use a scratch register.
6116 2016-03-24 Richard Henderson <rth@redhat.com>
6118 PR middle-end/69845
6119 * fold-const.c (extract_muldiv_1): Correct test for multiplication
6120 overflow.
6122 2016-03-24 Uros Bizjak <ubizjak@gmail.com>
6124 * config/i386/i386.md (*anddi3_doubleword): Generate AND insn
6125 using ix86_expand_binary_operator instead of gen_andsi3.
6127 2016-03-24 Richard Biener <rguenther@suse.de>
6129 PR tree-optimization/70396
6130 * tree-vect-stmts.c (vectorizable_comparison): Use
6131 get_vectype_for_scalar_type.
6133 2016-03-24 Richard Biener <rguenther@suse.de>
6135 PR middle-end/70370
6136 * gimplify.c (gimplify_asm_expr): Handle !allows_mem outputs
6137 with register bases.
6139 2016-03-24 Richard Biener <rguenther@suse.de>
6141 PR tree-optimization/70372
6142 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Use
6143 build_all_ones_cst to also handle vector types correctly.
6145 2016-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
6147 PR target/70381
6148 * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Do not set
6149 -mfloat128 here.
6151 2016-03-23 Marek Polacek <polacek@redhat.com>
6153 PR c++/69884
6154 * doc/invoke.texi: Document -Wignored-attributes.
6156 2016-03-23 Bin Cheng <bin.cheng@arm.com>
6158 PR tree-optimization/69042
6159 * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND): Increase the
6160 parameter from 30 to 40.
6162 2016-03-23 Bin Cheng <bin.cheng@arm.com>
6164 PR tree-optimization/69042
6165 * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Add IV cand
6166 for use with constant offset stripped in base.
6168 2016-03-23 Richard Biener <rguenther@suse.de>
6170 PR middle-end/70251
6171 * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Adjust
6172 mode compatibility check.
6173 (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
6175 2016-03-23 Jeff Law <law@redhat.com>
6177 PR tree-optimization/64058
6178 * tree-ssa-coalesce.c (struct coalesce_pair): Add new field
6179 CONFLICT_COUNT.
6180 (struct ssa_conflicts): Move up earlier in the file.
6181 (conflicts_, var_map_): New static variables.
6182 (initialize_conflict_count): New function to initialize the
6183 CONFLICT_COUNT field for each conflict pair.
6184 (compare_pairs): Lazily initialize the conflict count and use it
6185 as the first tie-breaker.
6186 (sort_coalesce_list): Add new arguments conflicts, map. Initialize
6187 and wipe conflicts_ and map_ around the call to qsort. Remove
6188 special case for 2 coalesce pairs.
6189 * bitmap.c (bitmap_count_unique_bits): New function.
6190 (bitmap_count_bits_in_word): New function, extracted from
6191 bitmap_count_bits.
6192 (bitmap_count_bits): Use bitmap_count_bits_in_word.
6193 * bitmap.h (bitmap_count_unique_bits): Declare it.
6195 2016-03-23 Ilya Enkovich <enkovich.gnu@gmail.com>
6197 PR target/69917
6198 * config/i386/sol2.h (ASM_OUTPUT_DEF_FROM_DECLS): Follow
6199 transparent alias chain for decl assembler name.
6200 * config/sol2.c (solaris_assemble_visibility): Likewise.
6202 2016-03-23 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
6204 * config/arm/arm1020e.md (1020call_op): Reduce reservation
6205 duration.
6206 (v10_fdivs): Likewise.
6207 (v10_fdivd): Likewise.
6209 2016-03-23 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
6211 PR driver/70132
6212 * config/arm/driver-arm.c (host_detect_local_cpu): Reorder exit logic
6213 to not call fclose twice on file.
6215 2016-03-23 Jakub Jelinek <jakub@redhat.com>
6217 PR tree-optimization/70354
6218 * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
6219 oprnd0 is wider than oprnd1 and there is a cast from the wider
6220 type to oprnd1, mask it with the mask of the narrower type.
6222 PR target/70321
6223 * config/i386/i386.md (*anddi3_doubleword, *<code>di3_doubleword):
6224 Optimize TARGET_STV splitters, if high or low word of last argument
6225 is 0 or -1.
6227 2016-03-22 Jeff Law <law@redhat.com>
6229 PR target/70232
6230 tree-ssa-threadbackward.c
6231 (fsm_find_control_statement_thread_paths): Correctly distinguish
6232 between old style jump threads vs FSM jump threads.
6234 2016-03-22 Ilya Enkovich <enkovich.gnu@gmail.com>
6236 PR target/70302
6237 * config/i386/i386.c (scalar_chain::convert_op): Support
6238 uninitialized register usage case.
6240 2016-03-22 Richard Biener <rguenther@suse.de>
6242 PR middle-end/70251
6243 * genmatch.c (gen_transform): Adjust last parameter to a three-state
6244 int...
6245 (capture::gen_transform): ... to change behavior when substituting
6246 a condition into cond or not-cond expr context.
6247 (dt_simplify::gen_1): Adjust.
6248 * gimple-match-head.c: Include gimplify.h for unshare_expr.
6249 * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Revert
6250 last change and instead change to
6251 A + (B vcmp C ? 1 : 0) -> A - (B vcmp C ? -1 : 0).
6252 (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
6254 2016-03-22 Anthony Green <green@moxielogic.com>
6256 * config/moxie/moxiebox.h (CC1_SPEC): Define. Fix endianness
6257 issue for moxiebox targets.
6258 (CC1PLUS_SPEC): Ditto.
6260 2016-03-22 Richard Biener <rguenther@suse.de>
6262 PR middle-end/70333
6263 * fold-const.c (extract_muldiv_1): Properly perform multiplication
6264 in the wide type.
6266 2016-03-22 Kirill Yukhin <kirill.yukhin@intel.com>
6268 * config/i386/i386.c (def_builtin): Remove duplicated functionality.
6270 2016-03-22 Kirill Yukhin <kirill.yukhin@intel.com>
6272 PR target/70325
6273 * config/i386/i386.c (def_builtin): Handle
6274 OPTION_MASK_ISA_AVX512VL to be and-ed with other
6275 bits.
6276 (const struct builtin_description bdesc_special_args[]):
6277 Remove duplicate ISA bits.
6279 2016-03-22 Jakub Jelinek <jakub@redhat.com>
6281 PR target/70329
6282 * config/i386/i386.c (ix86_expand_vecop_qihi): Don't bother computing
6283 d.perm[i] for i >= d.nelt. If not full_interleave, compute d.perm[i]
6284 in a way that works also for AVX512BW.
6286 PR target/70300
6287 * config/i386/i386.md (cvtsd2ss splitter): Unpack in destination
6288 instead of source if operands[1] is xmm16 and above and
6289 !TARGET_AVX512VL. Use avx512f_vec_dupv16sf_1 instead of
6290 vec_interleave_lowv4sf if we need to unpack xmm16 and above.
6292 PR c++/70295
6293 * gimplify.c (gimplify_modify_expr): Call gimple_set_no_warning
6294 on assign if (*from_p) is a comparison, set it to
6295 TREE_NO_WARNING (*from_p).
6297 2016-03-21 Jakub Jelinek <jakub@redhat.com>
6299 PR middle-end/70326
6300 * lra.c (restore_scratches): Ignore deleted insns.
6302 2016-03-21 Marc Glisse <marc.glisse@inria.fr>
6303 Jakub Jelinek <jakub@redhat.com>
6305 PR tree-optimization/70317
6306 * match.pd (cmp @0 @0): Pass @0 instead of TYPE_MODE (TREE_TYPE (@0))
6307 to HONOR_NANS.
6309 2016-03-21 Uros Bizjak <ubizjak@gmail.com>
6311 PR target/70327
6312 * config/i386/i386.md (movxi): Use ix86_expand_vector_move instead
6313 of ix86_expand_move.
6314 (movoi): Ditto.
6315 (movti): Use general_operand for operand 1 predicate.
6317 2016-03-21 Martin Liska <mliska@suse.cz>
6319 * hsa-dump.c (dump_hsa_insn_1): dump default branch of SBR
6320 insns.
6321 (dump_hsa_symbol): Dump BRIG offset of hsa_symbols.
6323 2016-03-21 Martin Liska <mliska@suse.cz>
6325 PR ipa/70306
6326 * ipa-icf.c (sem_function::parse): Skip static
6327 constructors and destructors.
6329 2016-03-21 Jakub Jelinek <jakub@redhat.com>
6331 PR target/70296
6332 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If IDENT is
6333 function-like macro, peek following token(s) if it is followed
6334 by CPP_OPEN_PAREN token with optional padding in between, and
6335 if not, don't treat it like a macro.
6337 2016-03-21 Thomas Schwinge <thomas@codesourcery.com>
6338 Alexander Monakov <amonakov@ispras.ru>
6340 * config/nvptx/nvptx.c (nvptx_option_override): Don't emit sorry
6341 for the stabs debug format.
6343 2016-03-21 Richard Biener <rguenther@suse.de>
6345 PR tree-optimization/70310
6346 * tree-vect-generic.c (expand_vector_condition): Fold the built
6347 condition.
6349 2016-03-21 Kirill Yukhin <kirill.yukhin@intel.com>
6351 PR target/70293
6352 * config/i386/sse.md: (define_insn "*vec_dup<mode>"/AVX2):
6353 Block third alternative for AVX-512VL target,
6355 2016-03-21 Martin Liska <mliska@suse.cz>
6357 PR hsa/70234
6358 * hsa-brig.c (emit_function_directives): Mark unemitted
6359 global variables for emission.
6360 * hsa-gen.c (hsa_symbol::hsa_symbol): Initialize a new flag.
6361 (get_symbol_for_decl): Likewise.
6362 * hsa.h (struct hsa_symbol): New flag.
6364 2016-03-21 Richard Biener <rguenther@suse.de>
6366 PR tree-optimization/70288
6367 * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Make sure
6368 we do not estimate unsimplified all-constant conditionals or
6369 switches as optimized away.
6371 2016-03-21 Andrey Belevantsev <abel@ispras.ru>
6373 PR rtl-optimization/69102
6374 * sched-deps.c (sched_analyze_insn): Do not set last_args_size field
6375 when we have a readonly dependency context.
6377 2016-03-18 Jeff Law <law@redhat.com>
6379 PR rtl-optimization/70263
6380 * ira.c (memref_used_between_p): Assert we found END in the insn chain.
6381 (update_equiv_regs): When trying to move a store to after the insn
6382 that sets the source of the store, make sure the store occurs after
6383 the insn that sets the source of the store. When successful note
6384 the REG_EQUIV note created in the dump file.
6386 2016-03-16 David Wohlferd <dw@LimeGreenSocks.com>
6387 Bernd Schmidt <bschmidt@redhat.com>
6389 * doc/extend.texi: Document more potential problems with basic asms.
6391 2016-03-18 Bernd Schmidt <bschmidt@redhat.com>
6393 PR rtl-optimization/70278
6394 * lra-constraints.c (split_reg): Handle the case where biggest_mode is
6395 VOIDmode.
6397 2016-03-18 Jason Merrill <jason@redhat.com>
6399 * calls.c (load_register_parameters): Fix zero size sibcall logic.
6401 2016-03-18 Kirill Yukhin <kirill.yukhin@intel.com>
6403 * config/i386/sse.md: Use vpbroadcastq for broadcasting DF
6404 values to 128b regs.
6406 2016-03-18 Ilya Enkovich <enkovich.gnu@gmail.com>
6408 PR tree-optimization/70252
6409 * tree-vect-stmts.c (supportable_widening_operation): Check resulting
6410 boolean vector has a proper number of elements.
6411 (supportable_narrowing_operation): Likewise.
6413 2016-03-18 Tom de Vries <tom@codesourcery.com>
6415 PR ipa/70269
6416 * cgraph.c (cgraph_node::get_body): Set dump_file to NULL after save.
6418 2016-03-18 Jakub Jelinek <jakub@redhat.com>
6420 * reload1.c (emit_input_reload_insns): Use simplify_replace_rtx
6421 instead of replace_rtx for DEBUG_INSNs.
6423 2016-03-18 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
6425 * config/i386/znver1.md : Fix latencies of FP/SSE/AVX
6426 load type reservations.
6428 2016-03-17 John David Anglin <danglin@gcc.gnu.org>
6430 PR target/70188
6431 * config/pa/constraints.md: Revert 2015-02-13 change. Use
6432 define_constraint for "Q" and "T" constraints.
6434 2016-03-17 Evandro Menezes <e.menezes@samsung.com>
6436 Tweak the pipeline model for Exynos M1
6438 * config/aarch64/aarch64.c (exynosm1_tunings): Enable weak prefetching
6439 model.
6441 2016-03-17 David Malcolm <dmalcolm@redhat.com>
6443 PR c/70264
6444 * diagnostic-show-locus.c (compatible_locations_p): Handle the case
6445 where one or both locations aren't within a line_map.
6447 2016-03-17 H.J. Lu <hongjiu.lu@intel.com>
6449 PR driver/70192
6450 * opts.c (finish_options): Don't set flag_pie to the default if
6451 -fpic, -fPIC, -fno-pic or -fno-PIC is used. Set flag_pic to 0
6452 if it is -1.
6454 2016-03-17 Joern Rennecke <joern.rennecke@embecosm.com>
6456 * config/i386/i386.md (*movv4qicc_insn+1..36): Pass
6457 true as ALL_REGS argument to replace_rtx.
6459 2016-03-17 Richard Biener <rguenther@suse.de>
6461 PR debug/70271
6462 * dwarf2out.c (dwarf2out_early_finish): Process deferred_asm_name
6463 last.
6465 2016-03-17 Jakub Jelinek <jakub@redhat.com>
6467 PR target/70245
6468 * rtl.h (replace_rtx): Add ALL_REGS argument.
6469 * rtlanal.c (replace_rtx): Likewise. If true, use REGNO
6470 equality and assert mode is the same, instead of just rtx pointer
6471 equality.
6472 * config/i386/i386.md (mov + arithmetics with load peephole): Pass
6473 true as ALL_REGS argument to replace_rtx.
6475 2016-03-17 Ilya Enkovich <enkovich.gnu@gmail.com>
6477 * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Apply
6478 for boolean vector with vector mode only.
6479 (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
6481 2016-03-17 Nick Clifton <nickc@redhat.com>
6483 PR target/70162
6484 * config/rx/rx.c (rx_print_integer): Print negative constants in
6485 decimal.
6487 2016-03-17 Jakub Jelinek <jakub@redhat.com>
6489 PR target/70261
6490 * rtlanal.c (replace_rtx): Revert 2016-03-16 change.
6492 2016-03-16 Richard Henderson <rth@redhat.com>
6493 Richard Biener <rguenth@suse.de>
6495 PR middle-end/70240
6496 PR middle-end/68215
6497 PR tree-opt/68714
6498 * gimplify.c (gimplify_expr) [VEC_COND_EXPR]: Gimplify the
6499 first operand as is_gimple_condexpr.
6501 PR middle-end/70240
6502 PR middle-end/68215
6503 Revert r231575
6504 2015-12-11 Eric Botcazou <ebotcazou@adacore.com>
6505 * tree-vect-generic.c (tree_vec_extract): Remove GSI parameter.
6506 Do not gimplify the result.
6507 (do_unop): Adjust call to tree_vec_extract.
6508 (do_binop): Likewise.
6509 (do_compare): Likewise.
6510 (do_plus_minus): Likewise.
6511 (do_negate): Likewise.
6512 (expand_vector_condition): Likewise.
6513 (do_cond): Likewise.
6515 2016-03-16 Richard Henderson <rth@redhat.com>
6517 PR target/70048
6518 * config/aarch64/aarch64.c (virt_or_elim_regno_p): New.
6519 (aarch64_classify_address): Use it.
6520 (aarch64_legitimize_address): Force all subexpressions of PLUS
6521 into registers. Simplify as (sfp+const)+reg or (reg+reg)+const.
6523 2016-03-16 Jakub Jelinek <jakub@redhat.com>
6524 Richard Biener <rguenth@suse.de>
6526 PR target/70245
6527 * rtlanal.c (replace_rtx): For REG, if from is a REG,
6528 return to even if only REGNO is equal, and assert
6529 mode is the same.
6531 2016-03-11 Jeff Law <law@redhat.com>
6533 PR rtl-optimization/70224
6534 * reorg.c (relax_delay_slots): Pass right argument to CROSSING_JUMP_P.
6536 2016-03-16 Richard Henderson <rth@redhat.com>
6538 PR middle-end/70199
6539 * function.h (struct function): Add has_forced_label_in_static.
6540 * gimplify.c (force_labels_r): Set it.
6541 * lto-streamer-in.c (input_struct_function_base): Read it.
6542 * lto-streamer-out.c (output_struct_function_base): Write it.
6543 * tree-inline.c (has_label_address_in_static_1): Remove.
6544 (copy_forbidden): Remove fndecl parameter; test
6545 has_forced_label_in_static.
6546 (inline_forbidden_p): Update call to copy_forbidden.
6547 (tree_versionable_function_p): Likewise.
6548 * ipa-chkp.c (chkp_instrumentable_p): Likewise.
6549 (chkp_versioning): Likewise.
6550 * tree-inline.h (copy_forbidden): Update decl.
6552 2016-03-16 Marek Polacek <polacek@redhat.com>
6554 PR c/70093
6555 * cgraphunit.c (cgraph_node::expand_thunk): Also build call to the
6556 function being thunked if the result type doesn't have fixed size.
6557 * gimplify.c (gimplify_modify_expr): Also set LHS if the result type
6558 doesn't have fixed size.
6560 2016-03-16 Bin Cheng <bin.cheng@arm.com>
6562 * tree-vect-loop.c (vect_analyze_loop_2): Fix wrong dump info by
6563 reporting malformed loop nest.
6565 2016-03-16 Tom de Vries <tom@codesourcery.com>
6567 PR lto/70187
6568 * ipa-devirt.c (possible_polymorphic_call_targets): Move
6569 nodes.length () == 1 test to before first nodes[0] access.
6571 2016-03-16 Tom de Vries <tom@codesourcery.com>
6573 PR tree-optimization/68715
6574 * graphite-scop-detection.c (scop_detection::merge_sese): Add missing
6575 single_pred_p test.
6577 2016-03-16 Tom de Vries <tom@codesourcery.com>
6579 PR tree-optimization/68809
6580 * graphite-scop-detection.c (same_close_phi_node): Test if result types
6581 are the same.
6583 2016-03-16 Carlos O'Donell <carlos@redhat.com>
6584 Sandra Loosemore <sandra@codesourcery.com>
6586 * doc/extend.texi (Common Function Attributes): Describe ifunc impact
6587 on leaf attribute. Mention ELF interposition problems.
6589 2016-03-16 Alan Modra <amodra@gmail.com>
6591 PR rtl-optimization/69195
6592 PR rtl-optimization/47992
6593 * ira.c (indirect_jump_optimize): Ignore artificial defs.
6594 Add comments.
6596 2016-03-15 Eric Botcazou <ebotcazou@adacore.com>
6598 PR bootstrap/69513
6599 * dwarf2out.c (flush_limbo_die_list): Really flush the limbo list.
6601 2016-03-15 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
6603 * config/avr/avr.md (rotl<mode>3): Set mode for operand 2.
6605 2016-03-15 Jakub Jelinek <jakub@redhat.com>
6607 PR rtl-optimization/70222
6608 * combine.c (simplify_shift_const_1): For A >> B >> C LSHIFTRT
6609 optimization if mode is different from result_mode, queue up masking
6610 of the result in outer_op. Formatting fix.
6612 PR middle-end/70239
6613 * tree-ssa-sccvn.c (VN_INFO_GET): Use safe_grow_cleared instead
6614 of safe_grow.
6616 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
6618 PR rtl-optimization/69032
6619 * sel-sched-ir.c (get_seqno_by_preds): Include both insn and head when
6620 looping backwards over basic block insns.
6622 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
6624 PR target/66660
6625 * sel-sched-ir.c (merge_expr): Avoid changing the speculative pattern
6626 to non-speculative when propagating trap bits.
6628 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
6630 PR rtl-optimization/63384
6631 * sel-sched.c (invoke_aftermath_hooks): Do not decrease issue_more on
6632 DEBUG_INSN_P insns.
6634 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
6636 PR target/64411
6637 * sched-deps.c (get_implicit_reg_pending_clobbers): New function,
6638 factored out from ...
6639 (sched_analyze_insn): ... here.
6640 * sched-int.h (get_implicit_reg_pending_clobbers): Declare it.
6641 * sel-sched-ir.c (setup_id_implicit_regs): New function, use
6642 get_implicit_reg_pending_clobbers in it.
6643 (setup_id_reg_sets): Use setup_id_implicit_regs.
6644 (deps_init_id): Ditto.
6646 2016-03-15 Tom de Vries <tom@codesourcery.com>
6648 PR ipa/70161
6649 * cgraph.c (cgraph_node::get_body): Save, reset and restore
6650 dump_file_name.
6651 * passes.c (execute_one_ipa_transform_pass): Add missing argument to
6652 execute_function_dump.
6653 (execute_one_pass): Don't dump function if it will be dumped after ipa
6654 transform.
6656 2016-03-15 Segher Boessenkool <segher@kernel.crashing.org>
6658 * genrecog.c (match_pattern_2): If pred is NULL don't call
6659 safe_predicate_mode on it.
6661 2016-03-14 Jakub Jelinek <jakub@redhat.com>
6663 PR middle-end/70219
6664 * lra-constraints.c (delete_move_and_clobber): Change assertion
6665 to also allow dregno == 0.
6667 2016-03-14 Richard Henderson <rth@redhat.com>
6669 PR tree-opt/68714
6670 * tree-ssa-reassoc.c (ovce_extract_ops, optimize_vec_cond_expr): New.
6671 (can_reassociate_p): Allow ANY_INTEGRAL_TYPE_P.
6672 (reassociate_bb): Use optimize_vec_cond_expr; avoid
6673 optimize_range_tests, attempt_builtin_copysign and attempt_builtin_powi
6674 on vectors.
6676 2016-03-14 Bernd Schmidt <bschmidt@redhat.com>
6678 PR target/70083
6679 * lra-lives.c (process_bb_lives): Also update biggest mode for hard
6680 regs.
6681 (lra_create_live_ranges_1): initialize hard register biggest_mode to
6682 VOIDmode.
6683 * lra-constraints.c (split_reg): For hard regs, try to find the
6684 biggest single-register mode used in the function.
6686 2016-03-14 Richard Biener <rguenther@suse.de>
6688 PR tree-optimization/56365
6689 * tree-ssa-phiopt.c (minmax_replacement): Handle alternate
6690 constants to compare against.
6692 2016-03-14 Segher Boessenkool <segher@kernel.crashing.org>
6694 PR target/70098
6695 * config/rs6000/rs6000.md (*ctr<mode>_internal1, *ctr<mode>_internal2,
6696 *ctr<mode>_internal5, *ctr<mode>_internal6): Also allow "d" as output.
6697 (define_split for the GPR case): Use int_reg_operand instead of
6698 gpc_reg_operand for the output.
6700 2016-03-14 Tom de Vries <tom@codesourcery.com>
6702 PR tree-optimization/70045
6703 * graphite-isl-ast-to-gimple.c (graphite_create_new_loop_guard): Unshare
6704 create_empty_if_region_on_edge argument.
6706 2016-03-13 Eric Botcazou <ebotcazou@adacore.com>
6708 * config/arm/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Define.
6709 (STACK_CHECK_PROTECT): Likewise.
6710 * config/i386/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
6711 (STACK_CHECK_PROTECT): Likewise.
6712 * config/rs6000/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
6713 (STACK_CHECK_PROTECT): Likewise.
6714 * config/rs6000/vxworksae.h (STACK_CHECK_PROTECT): Likewise.
6715 * config/sparc/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
6716 (STACK_CHECK_PROTECT): Likewise.
6718 2016-03-12 Andrey Belevantsev <abel@ispras.ru>
6720 PR rtl-optimization/69307
6721 * sel-sched.c (choose_best_pseudo_reg): Properly check for hard
6722 registers in modes that span more than one register.
6724 2016-03-12 Vladimir Makarov <vmakarov@redhat.com>
6726 PR target/69614
6727 * lra-constraints.c (delete_move_and_clobber): New.
6728 (remove_inheritance_pseudos): Use it.
6730 2016-03-12 Eric Botcazou <ebotcazou@adacore.com>
6732 PR ada/70017
6733 * calls.c (emit_library_call_value_1): Clear the ECF_NOTHROW flag if
6734 the libcall is LCT_THROW.
6735 * explow.c (probe_stack_range): Pass LCT_THROW to emit_library_call
6736 for the checking routine.
6738 2016-03-11 Michael Meissner <meissner@linux.vnet.ibm.com>
6740 PR target/70131
6741 * config/rs6000/rs6000.md (round32<mode>2_fprs): Do not do the
6742 optimization if we have direct move.
6743 (roundu32<mode>2_fprs): Likewise.
6745 2016-03-11 Bernd Schmidt <bschmidt@redhat.com>
6747 PR target/70123
6748 * lra-remat.c (operand_to_remat): Disallow hard regs in the value t
6749 be rematerialized.
6750 (reg_overlap_for_remat_p): Renamed from input_regno_present_p.
6751 Arguments swapped. All callers changed. Take reg_renumber into
6752 account, and Calculate and compare register ranges for hard regs.
6754 2016-03-11 Jeff Law <law@redhat.com>
6756 PR tree-optimization/70190
6757 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
6758 Handle cases where we can not extract the taken edge, even though we
6759 found a constant value.
6761 PR tree-optimization/64058
6762 * tree-ssa-coalesce.c (struct coalesce_pair): Add new field INDEX.
6763 (num_coalesce_pairs): Move up earlier in file.
6764 (find_coalesce_pair): Initialize the INDEX field for each pair
6765 discovered.
6766 (compare_pairs): No longer sort on the elements in each pair.
6767 Instead break ties with the index of the coalesce pair.
6769 2016-03-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
6771 PR target/70002
6772 * config/aarch64/aarch64-protos.h
6773 (aarch64_save_restore_target_globals): New prototype.
6774 * config/aarch64/aarch64-c.c (aarch64_pragma_target_parse):
6775 Call the above when popping pragma.
6776 * config/aarch64/aarch64.c (aarch64_save_restore_target_globals):
6777 New function.
6778 (aarch64_set_current_function): Rewrite using the above.
6780 2016-03-11 Jakub Jelinek <jakub@redhat.com>
6782 PR tree-optimization/70177
6783 * gimple-expr.h (extract_ops_from_tree_1): Renamed to ...
6784 (extract_ops_from_tree): ... this. In the 2 argument
6785 overload remove _1 suffix.
6786 * gimple-expr.c (extract_ops_from_tree_1): Renamed to ...
6787 (extract_ops_from_tree): ... this.
6788 * gimple.c (gimple_build_assign, gimple_assign_set_rhs_from_tree):
6789 Adjust callers.
6790 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
6791 * tree-ssa-forwprop.c (defcodefor_name): Call 3 operand
6792 extract_ops_from_tree instead of 2 operand one.
6794 2016-03-11 Alan Lawrence <alan.lawrence@arm.com>
6796 PR tree-optimization/70013
6797 * tree-sra.c (analyze_access_subtree): Also set grp_unscalarized_data
6798 for constant-pool entries.
6800 2016-03-11 Jakub Jelinek <jakub@redhat.com>
6802 PR rtl-optimization/70174
6803 * expmed.c (store_bit_field_using_insv): Use gen_lowpart_if_possible
6804 followed by gen_lowpart on force_reg instead of just gen_lowpart.
6806 PR tree-optimization/70169
6807 * tree-ssa-loop.c (gen_lsm_tmp_name): Handle FUNCTION_DECL and
6808 LABEL_DECL like VAR_DECL. Emit nothing instead of gcc_unreachable
6809 for unknown codes.
6811 2016-03-11 Ilya Enkovich <enkovich.gnu@gmail.com>
6812 Jakub Jelinek <jakub@redhat.com>
6814 PR target/70160
6815 * config/i386/i386.c (scalar_chain::convert_reg): Skip uses
6816 of uninitialized values.
6818 2016-03-11 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
6820 * config/s390/s390.md ("trunctddd2"): Turn former define_insn into
6821 define_expand.
6822 ("*trunctddd2"): New pattern definition.
6823 ("trunctdsd2"): Set prep_for_short_prec rounding mode for the
6824 TD->DD truncation.
6826 2016-03-11 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
6828 * config/s390/s390.md (BFP_RND_*, DFP_RND_*): Add new constant
6829 definitions for BFP and DFP rounding modes.
6830 ("fixuns_truncdddi2", "fixuns_trunctddi2")
6831 ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2")
6832 ("fix_trunc<DSF:mode><GPR:mode>2", "fix_trunc<mode>di2")
6833 ("fix_trunctf<mode>2"): Use the new constants instead of magic
6834 numbers.
6836 2016-03-11 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
6838 * config/s390/constraints.md: Adjust comment.
6839 ("Y"): Adjust comment. Rename s390_decompose_shift_count to
6840 s390_decompose_addrstyle_without_index.
6841 * config/s390/predicates.md (shift_count_or_setmem_operand):
6842 Rename to setmem_operand.
6843 * config/s390/s390-protos.h
6844 (s390_decompose_shift_count): Rename to
6845 s390_decompose_addrstyle_without_index.
6846 * config/s390/s390.c (s390_decompose_shift_count)
6847 (s390_mem_constraint, print_shift_count_operand)
6848 (print_operand_address, print_operand): Rename
6849 s390_decompose_shift_count to
6850 s390_decompose_addrstyle_without_index and rename
6851 print_shift_count_operand to print_addrstyle_operand troughout the
6852 file.
6853 * config/s390/s390.md ("setmem_long_<P:mode>", "*setmem_long")
6854 ("*setmem_long_and", "*setmem_long_31z", "*setmem_long_and_31z"):
6855 Rename shift_count_or_setmem_operand to setmem_operand.
6856 * config/s390/vx-builtins.md ("vec_insert<mode>")
6857 ("vec_promote<mode>"): Replace shift_count_or_setmem_operand with
6858 nonmemory_operand.
6860 2016-03-10 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
6862 PR target/70168
6863 * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
6864 Handle overlapping retval and newval.
6866 2016-03-10 Nick Clifton <nickc@redhat.com>
6868 PR target/7044
6869 * config/aarch64/aarch64.c
6870 (aarch64_override_options_after_change_1): When forcing
6871 flag_omit_frame_pointer to be true, use a special value that can
6872 be detected if this function is called again, thus preventing
6873 flag_omit_leaf_frame_pointer from being forced to be false.
6875 2016-03-10 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
6877 * common/config/aarch64/aarch64-common.c (aarch64_handle_option):
6878 Set x_flag_omit_leaf_frame_pointer when handling
6879 -momit-leaf-frame-pointer.
6881 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
6883 PR lto/69589
6884 * cgraph.c (cgraph_node::dump): Dump split_part and
6885 indirect_call_target.
6886 * cgraph.h (cgraph_node): Add indirect_call_target flag.
6887 * ipa.c (has_addr_references_p): Cleanup.
6888 (is_indirect_call_target_p): New.
6889 (walk_polymorphic_call_targets): Do not mark virtuals that may be
6890 called indirectly as local.
6891 (symbol_table::remove_unreachable_nodes): Compute indirect_call_target.
6893 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
6895 PR ipa/69630
6896 * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
6897 on cxa_pure_virtual.
6899 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
6901 PR lto/69589
6902 * tree.c (free_lang_data_in_decl): Clear visibility of TYPE_DECL.
6904 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
6906 PR lto/69589
6907 * tree.c (need_assembler_name_p): Only record main variant type names.
6909 2016-03-10 Christophe Lyon <christophe.lyon@linaro.org>
6911 PR target/70113.
6912 * config/aarch64/aarch64.h (TARGET_FIX_ERR_A53_843419_DEFAULT):
6913 Always define to 0 or 1.
6914 (TARGET_FIX_ERR_A53_843419): New macro.
6915 * config/aarch64/aarch64-elf-raw.h
6916 (TARGET_FIX_ERR_A53_843419_DEFAULT): Update for above changes.
6917 * config/aarch64/aarch64-linux.h: Likewise.
6918 * config/aarch64/aarch64.c
6919 (aarch64_override_options_after_change_1): Do not default
6920 aarch64_nopcrelative_literal_loads to true if Cortex-A53 erratum
6921 843419 is on.
6922 (aarch64_attributes): Handle fix-cortex-a53-843419.
6923 (aarch64_can_inline_p): Likewise.
6924 * config/aarch64/aarch64.opt (aarch64_fix_a53_err843419): Save.
6926 2016-03-10 Alan Lawrence <alan.lawrence@arm.com>
6927 Jakub Jelinek <jakub@redhat.com>
6929 * common.opt (funconstrained-commons, flag_unconstrained_commons): New.
6930 * tree.c (array_at_struct_end_p): Do not limit to size of decl for
6931 DECL_COMMONS if flag_unconstrained_commons is set.
6932 * tree-dfa.c (get_ref_base_and_extent): Likewise.
6933 * doc/invoke.texi (Optimize Options): Add -funconstrained-commons.
6934 (funconstrained-commons): Document.
6936 2016-03-10 Christophe Lyon <christophe.lyon@linaro.org>
6938 * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add
6939 aarch64-fusion-pairs.def and aarch64-tuning-flags.def
6941 2016-03-10 Ilya Enkovich <enkovich.gnu@gmail.com>
6943 * tree-vect-stmts.c (vectorizable_mask_load_store): Check mask
6944 has a proper number of elements.
6946 2016-03-10 Alan Modra <amodra@gmail.com>
6948 PR rtl-optimization/69195
6949 PR rtl-optimization/47992
6950 * ira.c (recorded_label_ref): Delete.
6951 (update_equiv_regs): Return void.
6952 (indirect_jump_optimize): New function.
6953 (ira): Call indirect_jump_optimize and delete_trivially_dead_insns
6954 before regstat_compute_ri. Don't rebuild_jump_labels here.
6955 Delete update_regstat.
6957 2016-03-10 Richard Biener <rguenther@suse.de>
6959 PR tree-optimization/70128
6960 * tree-ssa-structalias.c (set_uids_in_ptset): Set
6961 vars_contains_nonlocal for any FUNCTION_DECL or LABEL_DECL.
6963 2016-03-09 Jakub Jelinek <jakub@redhat.com>
6965 PR tree-optimization/70152
6966 * tree-sra.c (replace_removed_params_ssa_names): Copy over
6967 SSA_NAME_OCCURS_IN_ABNORMAL_PHI from old_name to new_name.
6969 PR target/70086
6970 * config/i386/i386.md (truncdfsf2 splitter): Use gen_vec_concatv2df
6971 instead of gen_sse2_loadlpd.
6972 * config/i386/sse.md (*vec_concatv2df): Rename to...
6973 (vec_concatv2df): ... this.
6975 PR tree-optimization/70127
6976 * fold-const.c (operand_equal_p): Revert the 2015-10-28 change.
6978 2016-03-09 David Malcolm <dmalcolm@redhat.com>
6980 PR c/68473
6981 PR c++/70105
6982 * diagnostic-show-locus.c (compatible_locations_p): New function.
6983 (layout::layout): Sanitize ranges using compatible_locations_p.
6985 2016-03-09 David Malcolm <dmalcolm@redhat.com>
6987 PR c/68473
6988 PR c++/70105
6989 * diagnostic-show-locus.c (layout_range::layout_range): Replace
6990 location_range param with three const expanded_locations * and a
6991 bool.
6992 (layout::layout): Replace call to
6993 rich_location::lazily_expand_location with get_expanded_location.
6994 Extract the range and perform location expansion here, passing
6995 the results to the layout_range ctor.
6996 * diagnostic.c (source_range::debug): Delete.
6997 * diagnostic.h (diagnostic_expand_location): Reimplement in terms
6998 of rich_location::get_expanded_location.
6999 * gcc-rich-location.c (get_range_for_expr): Delete.
7000 (gcc_rich_location::add_expr): Reimplement to avoid the
7001 rich_location::add_range overload that took a location_range,
7002 passing a location_t instead.
7004 2016-03-09 Richard Biener <rguenther@suse.de>
7005 Jakub Jelinek <jakub@redhat.com>
7007 PR tree-optimization/70138
7008 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
7009 Also skip vect_double_reduction_def.
7011 2016-03-09 Jakub Jelinek <jakub@redhat.com>
7013 PR target/70049
7014 * config/i386/sse.md (*vec_extract<mode>): Use %0 instead of %k0
7015 if the operand is "m".
7017 2016-03-09 Nathan Sidwell <nathan@acm.org>
7019 * config/nvptx/nvptx.c (nvptx_option_override): Don't kill debug level.
7021 2016-03-09 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
7023 * config/i386/i386.c (processor_target_table): Fix cost table
7024 intialization order for znver1.
7026 2016-03-08 Jakub Jelinek <jakub@redhat.com>
7028 * ipa-polymorphic-call.c (walk_ssa_copies): Fix spelling
7029 - becuase -> because.
7030 * ipa-reference.c (ignore_module_statics): Likewise.
7031 * cgraph.c (cgraph_node::get_body): Likewise.
7032 * ipa-inline.c (early_inliner): Likewise.
7033 * ipa-devirt.c (types_same_for_odr): Likewise.
7034 * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
7035 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Likewise.
7037 2016-03-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
7039 * tree-ssa-math-opts.c: Fix typo in comment.
7041 2016-03-08 Jakub Jelinek <jakub@redhat.com>
7043 PR target/70110
7044 * config/i386/i386.c (scalar_chain::make_vector_copies,
7045 scalar_chain::convert_reg): Call end_sequence in between
7046 get_insns and emit_conversion_insns rather than after both
7047 calls.
7049 2016-03-07 Uros Bizjak <ubizjak@gmail.com>
7051 PR target/70064
7052 * config/i386/i386.h (machine_function): Add
7053 pc_thunk_call_expanded flag.
7054 (ix86_pc_thunk_call_expanded): New define.
7055 * config/i386/i386.md (set_got, set_got_labelled): New expanders.
7056 (*set_got): Rename insn pattern from set_got.
7057 (*set_got_labelled): Rename inst pattern from set_got_labelled.
7058 * config/i386/i386.c (ix86_compute_frame_layout): Use
7059 ix86_pc_thunk_call_expanded to prevent red-zone.
7061 2016-03-07 Martin Jambor <mjambor@suse.cz>
7063 * hsa.h (hsa_get_ctor_statements): Declare.
7064 (hsa_get_dtor_statements): Likewise.
7065 (hsa_get_kernel_dispatch_type): Likewise.
7066 * hsa.c (hsa_get_ctor_statements): New function.
7067 (hsa_get_dtor_statements): Likewise.
7068 (hsa_get_kernel_dispatch_type): Likewise.
7069 * hsa-brig.c (hsa_cdtor_statements): Removed.
7070 (hsa_output_libgomp_mapping): Use hsa_get_ctor_statements and
7071 hsa_get_dtor_statements.
7072 * hsa-gen.c (hsa_kernel_dispatch_type): Removed.
7073 (get_hsa_kernel_dispatch_offset): Use hsa_get_kernel_dispatch_type.
7075 2016-03-07 Andre Vieira <andre.simoesdiasvieira@arm.com>
7077 * config/arm/arm-cores.def (cortex-r8): New.
7078 * config/arm/arm-tables.opt (cortex-r8): Regenerate.
7079 * config/arm/arm-tune.md: Likewise.
7080 * gcc/doc/invoke.texi: Add cortex-r8 to list of cpu values.
7082 2016-03-07 Martin Sebor <msebor@redhat.com>
7084 PR rtl-optimization/19705
7085 * doc/invoke.texi (Options That Control Optimization): Clarify
7086 -fno-branch-count-reg.
7088 2016-02-26 Richard Biener <rguenther@suse.de>
7089 Jeff Law <law@redhat.com>
7091 PR tree-optimization/69740
7092 * cfghooks.c (remove_edge): Request loop fixups if we delete
7093 an edge that might turn an irreducible loop into a natural
7094 loop.
7095 * cfgloop.h (check_verify_loop_structure): Clear LOOPS_NEED_FIXUP.
7096 Move after definition of loops_state_clear.
7098 2016-03-07 Bin Cheng <bin.cheng@arm.com>
7100 PR rtl-optimization/69052
7101 * rtlanal.c (commutative_operand_precedence): Set higher precedence
7102 to CONST_WIDE_INT.
7104 2016-03-07 Tom de Vries <tom@codesourcery.com>
7106 PR tree-optimization/70116
7107 * tree-ssa-tail-merge.c (merge_stmts_p): New function, handling
7108 is_tm_ending stmts and ubsan/asan internal functions.
7109 (find_duplicate): Use it. Don't test is_tm_ending here.
7111 2016-03-07 Richard Biener <rguenther@suse.de>
7113 PR tree-optimization/70115
7114 * tree-ssa-loop-ivcanon.c (propagate_into_all_uses): Remove.
7115 (propagate_constants_for_unrolling): Use replace_uses_by.
7117 2016-03-07 Nathan Sidwell <nathan@codesourcery.com>
7119 PR middle-end/69916
7120 * omp-low.c (struct oacc_loop): Add ifns.
7121 (new_oacc_loop_raw): Initialize it.
7122 (finish_oacc_loop): Clear mask & flags if no ifns.
7123 (oacc_loop_discover_walk): Count IFN_GOACC_LOOP calls.
7124 (oacc_loop_xform_loop): Add ifns arg & adjust.
7125 (oacc_loop_process): Adjust oacc_loop_xform_loop call.
7127 2016-03-07 Richard Henderson <rth@redhat.com>
7129 PR rtl-opt/70061
7130 * tree-outofssa.c (emit_partition_copy): Flush pending stack adjust.
7131 (insert_value_copy_on_edge): Likewise.
7133 2016-03-07 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
7135 * config/arm/arm_neon.h: Show error if using with soft-float ABI.
7137 2016-03-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7139 PR target/62281
7140 * config/i386/sol2.h (STACK_REALIGN_DEFAULT): Define.
7142 2016-03-05 Venkataramanan Kumar <Venkataramanan.kumar@amd.com>
7144 * config/i386/i386.c (znver1_cost): Fix Multiply cost.
7146 2016-03-05 Venkataramanan Kumar <Venkataramanan.kumar@amd.com>
7148 Fix sseimul type attribute.
7149 * config/i386/znver1.md
7150 (znver1_sseimul, znver1_sseimul_avx256, znver1_sseimul_load,
7151 znver1_sseimul_avx256_load) : Fix the type attribute.
7152 (znver1_sseimul_di, znver1_sseimul_load_di): Fix type attribute,
7153 pipe usage and latency.
7155 2016-03-05 Jakub Jelinek <jakub@redhat.com>
7157 PR c++/70084
7158 * tree-inline.c (copy_tree_body_r): When cancelling ADDR_EXPR
7159 of INDIRECT_REF and ADDR_EXPR changed type, fold_convert it
7160 to the right type.
7162 2016-03-04 Bernd Schmidt <bschmidt@redhat.com>
7164 PR c/69973
7165 * targhooks.c (default_vector_alignment): Limit to MAX_OFILE_ALIGNMENT.
7167 PR rtl-optimization/69941
7168 * postreload.c (reload_combine_recognize_pattern): Ensure all uses of
7169 the reg share its mode.
7171 2016-03-04 Jeff Law <law@redhat.com>
7173 PR tree-optimization/69196
7174 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
7175 If the both SSA_NAMEs are anonymous, then consider them unassociated
7176 and include the PHI in the statement count.
7178 2016-03-05 Tom de Vries <tom@codesourcery.com>
7180 * omp-low.c (check_omp_nesting_restrictions): Check for non-oacc
7181 construct in oacc routine. Check for oacc region in oacc routine.
7183 2016-03-04 Jakub Jelinek <jakub@redhat.com>
7185 PR target/70062
7186 * config/i386/i386.c (decide_alg): Add RECUR argument. Revert
7187 2016-02-22 changes, instead don't recurse if RECUR is already true.
7188 Don't change *dynamic_check if RECUR. Adjust recursive caller
7189 to pass true to the new argument.
7190 (ix86_expand_set_or_movmem): Adjust decide_alg caller.
7192 PR target/70059
7193 * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
7194 <extract_type_2>_vinsert<shuffletype><extract_suf_2>_mask): Formatting
7195 fixes.
7196 (vec_set_hi_<mode><mask_name>): Likewise. Swap VEC_CONCAT operands.
7198 2016-03-04 Bernd Schmidt <bschmidt@redhat.com>
7200 PR rtl-optimization/57676
7201 * lra-assigns.c (lra_assign): Guard test for maximum iterations
7202 with flag_checking.
7204 2016-03-04 Ilya Enkovich <enkovich.gnu@gmail.com>
7206 * tree-vect-patterns.c (search_type_for_mask): Handle
7207 comparison of booleans.
7209 2016-03-04 Jakub Jelinek <jakub@redhat.com>
7211 * doc/extend.texi (__builtin_alloca, __builtin_alloca_with_align):
7212 Fix @xref usage.
7214 PR debug/69947
7215 * dwarf2out.c (prune_unused_types_walk_loc_descr): Handle
7216 all other ops that have dw_val_class_die_ref operands,
7217 and DW_OP_GNU_entry_value.
7219 2016-03-03 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
7221 PR rtl-optimization/69904
7222 * config/arm/arm.c (arm_cannot_copy_insn_p):
7223 Return true for load-exclusive instructions.
7225 2016-03-03 Jakub Jelinek <jakub@redhat.com>
7227 PR target/70021
7228 * tree-vect-stmts.c (vect_mark_relevant): Remove USED_IN_PATTERN
7229 argument, if STMT_VINFO_IN_PATTERN_P (stmt_info), always mark
7230 the pattern no matter if it is used just by non-pattern, pattern
7231 or mix thereof.
7232 (process_use, vect_mark_stmts_to_be_vectorized): Adjust callers.
7233 * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
7234 oprnd1 def_stmt is in pattern, don't look through it.
7236 2016-03-03 Marek Polacek <polacek@redhat.com>
7238 PR middle-end/70050
7239 * match.pd (X % -Y): Add INTEGRAL_TYPE_P check.
7241 2016-03-03 Martin Liska <mliska@suse.cz>
7243 PR tree-optimization/70043
7244 * tree-vect-loop.c (optimize_mask_stores): Move iterator to
7245 previous statement if we see a debug statement.
7247 2016-03-03 Richard Biener <rguenther@suse.de>
7249 PR tree-optimization/55936
7250 * tree-vrp.c (compare_name_with_value): Add use_equiv_p
7251 parameter and guard unsafe equivalence use.
7252 (vrp_evaluate_conditional_warnv_with_ops): Always use
7253 safe equivalences but not via the quadratic compare_names
7254 helper.
7256 2016-03-03 Michael Collison <michael.collison@linaro.org>
7258 PR target/70014
7259 * config/arm/arm.md (*subsi3_carryin_const): Change predicate
7260 for operand 1 to s_register_operand. Change predicate for operand
7261 2 to arm_not_immediate_operand.
7263 2016-03-02 H.J. Lu <hongjiu.lu@intel.com>
7265 * doc/tm.texi: Regenerated.
7267 2016-03-02 Richard Henderson <rth@redhat.com>
7269 PR rtl-opt/67145
7270 * simplify-rtx.c (simplify_plus_minus): Allow reassoc without
7271 simplification when all args are positive non-fixed registers.
7273 2016-03-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
7275 * target.def (lra_p): Specify that new ports should use LRA.
7277 2016-03-02 Jakub Jelinek <jakub@redhat.com>
7279 PR libgomp/69555
7280 * gimplify.c (gimplify_decl_expr): For decls with REFERENCE_TYPE, also
7281 gimplify_type_sizes the type they refer to.
7282 (omp_notice_variable): Handle reference vars to VLAs.
7283 * omp-low.c (lower_omp_target): Emit setup of OMP_CLAUSE_PRIVATE
7284 reference to VLA decls in the second pass instead of first pass.
7286 2016-03-02 Tom de Vries <tom@codesourcery.com>
7288 PR tree-optimization/68659
7289 * graphite-isl-ast-to-gimple.c (collect_all_ssa_names): Handle
7290 new_expr == NULL_TREE.
7291 (get_new_name): Handle ADDR_EXPR.
7293 2016-03-02 Bin Cheng <bin.cheng@arm.com>
7295 PR rtl-optimization/69052
7296 * loop-invariant.c (canonicalize_address): New function.
7297 (inv_can_prop_to_addr_use): Check validity of address expression
7298 which is canonicalized by above function.
7300 2016-03-02 Alan Modra <amodra@gmail.com>
7302 PR ipa/69990
7303 * ipa-icf.c (sem_variable::merge): Do not merge an alias with
7304 larger alignment.
7306 2016-03-02 Jakub Jelinek <jakub@redhat.com>
7308 PR target/70028
7309 * config/i386/i386.md (kmovw): Move m constraint to 2nd alternative.
7310 (*movhi_internal): Put mask moves from and to memory separately
7311 from moves from/to GPRs.
7313 2016-03-02 Richard Biener <rguenther@suse.de>
7315 * genmatch.c (dt_node::gen_kids): Fix match code-gen for embedded
7316 GENERIC expressions in GIMPLE.
7318 2016-03-02 Richard Biener <rguenther@suse.de>
7320 * config/i386/i386.c (type_natural_mode): Fix typo.
7322 2016-03-02 Nick Clifton <nickc@redhat.com>
7324 * config.gcc (mep-*-elf): Add newlib-stdint.h to tm_file.
7326 2016-03-02 Richard Biener <rguenther@suse.de>
7327 Uros Bizjak <ubizjak@gmail.com>
7329 PR target/67278
7330 * config/i386/i386.c (type_natural_mode): Handle XFmode vectors.
7332 2016-03-02 Richard Biener <rguenther@suse.de>
7334 PR middle-end/67278
7335 * tree-cfg.c (verify_expr): Adjust BIT_FIELD_REF case.
7337 2016-03-02 Marek Polacek <polacek@redhat.com>
7339 PR c/67854
7340 * gimplify.c (gimplify_va_arg_expr): Use expanded location for the
7341 "is promoted to" warning.
7343 2016-03-01 DJ Delorie <dj@redhat.com>
7345 * config.gcc: Deprecate mep-*.
7347 2016-03-01 Vladimir Makarov <vmakarov@redhat.com>
7349 PR middle-end/70025
7350 * lra-constraints.c (regno_val_use_in): New.
7351 (match_reload): Use it instead of regno_use_in.
7353 2016-03-01 Eric Botcazou <ebotcazou@adacore.com>
7355 PR rtl-optimization/70007
7356 * gcse.c (compute_ld_motion_mems): Tidy up and also invalidate memory
7357 references present in REG_EQUAL notes attached to non-SET patterns.
7359 2016-03-01 Jeff Law <law@redhat.com>
7361 PR tree-optimization/69196
7362 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
7363 Appropriately clamp the number of statements to copy when the
7364 thread path does not traverse a loop backedge.
7366 PR tree-optimization/69196
7367 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
7368 Do count some PHIs in the thread path against the insn count. Decrease
7369 final statement count by one as the control statement in the last
7370 block will get removed. Remove special cased code for handling PHIs
7371 in the last block.
7373 2016-03-01 Uros Bizjak <ubizjak@gmail.com>
7375 PR target/70027
7376 * config/i386/i386.c (ix86_output_call_insn): Add -masm=intel
7377 asm dialect alternatives to explicit GOTPCREL calls.
7379 2016-03-01 Eric Botcazou <ebotcazou@adacore.com>
7381 PR ada/70017
7382 * ira.c (do_reload): Issue warning for generic stack checking here...
7383 * reload1.c (reload): ...instead of here and streamline it.
7385 2016-03-01 Nick Clifton <nickc@redhat.com>
7387 * config.gcc (cr16-*-elf): Add newlib-stdint.h to tm_file.
7389 2016-03-01 Richard Biener <rguenther@suse.de>
7391 PR tree-optimization/69983
7392 * tree-chrec.c (eq_evolutions_p): Handle conversions, compare
7393 types and fall back to operand_equal_p.
7395 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
7397 Revert
7398 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
7400 * config/s390/constraints.md ("jm8"): New constraint.
7401 * config/s390/predicates.md ("const_int_8bitset_operand"): New
7402 predicate.
7403 * config/s390/s390.md ("*setmem_long", "*setmem_long_and"): Merge
7404 into ...
7405 ("*setmem_long<setmem_and>"): New pattern.
7406 ("*setmem_long_31z", "*setmem_long_and_31z"): Merge
7407 into ...
7408 ("*setmem_long_31z<setmem_and>"): New pattern.
7409 * config/s390/subst.md ("setmem_31z_subst", "setmem_and_subst"):
7410 New substitution rules with the required attributes.
7413 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
7415 Revert
7416 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
7418 * gensupport.c (process_substs_on_one_elem): Split loop to
7419 complete mark_operands_used_in_match_dup on all expressions in the
7420 vector first.
7421 (adjust_operands_numbers): Inline into process_substs_on_one_elem
7422 and remove function.
7424 2016-03-01 Richard Biener <rguenther@suse.de>
7426 PR middle-end/70022
7427 * fold-const.c (fold_indirect_ref_1): Fix range checking for
7428 vector BIT_FIELD_REF extract.
7430 2016-03-01 Richard Biener <rguenther@suse.de>
7432 PR tree-optimization/69994
7433 * tree-ssa-reassoc.c (ops_equal_values_p): Handle missing case.
7435 2016-03-01 Ilya Enkovich <enkovich.gnu@gmail.com>
7437 PR tree-optimization/69956
7438 * tree-vect-stmts.c (supportable_widening_operation): Support
7439 multi-step conversion of boolean vectors.
7440 (supportable_narrowing_operation): Likewise.
7442 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
7444 * config/s390/s390.c (s390_decompose_address): Don't accept SImode
7445 anymore.
7447 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
7449 * config/s390/subst.md (DSI_VI): New mode iterator.
7450 ("addr_style_op_subst"): Use DSI_VI instead of DSI.
7451 * config/s390/vector.md ("vec_set<mode>"): Move expander before
7452 the insn definition.
7453 ("*vec_set<mode>"): Change predicate and add alternative to
7454 support only either register or const_int operands as element
7455 selector.
7456 ("*vec_set<mode>_plus"): New pattern to support reg + const_int
7457 operands.
7458 ("vec_extract<mode>"): New expander.
7459 ("*vec_extract<mode>"): New insn definition supporting reg and
7460 const_int element selectors.
7461 ("*vec_extract<mode>_plus"): New insn definition supporting
7462 reg+const_int element selectors.
7463 ("rotl<mode>3", "ashl<mode>3", "ashr<mode>3"): Merge into the
7464 following expander+insn definition.
7465 ("<vec_shifts_name><mode>3"): New expander.
7466 ("*<vec_shifts_name><mode>3<addr_style_op>"): New insn definition.
7468 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
7470 * config/s390/s390.md ("*tabort_1"): Change predicate to
7471 nonmemory_operand. Add a second alternative to cover
7472 register as well as const int operands.
7473 ("*tabort_1_plus"): New pattern definition.
7475 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
7477 * config/s390/s390.md ("*ashrdi3_cc_31")
7478 ("*ashrdi3_cconly_31""*ashrdi3_cc_31_and")
7479 ("*ashrdi3_cconly_31_and", "*ashrdi3_31_and", "*ashrdi3_31"):
7480 Merge insn definitions into ...
7481 ("*ashrdi3_31<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
7482 New pattern definition.
7483 ("*ashr<mode>3_cc", "*ashr<mode>3_cconly", "ashr<mode>3", )
7484 ("*ashr<mode>3_cc_and", "*ashr<mode>3_cconly_and")
7485 ("*ashr<mode>3_and"): Merge insn definitions into ...
7486 ("*ashr<mode>3<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
7487 New pattern definition.
7488 * config/s390/subst.md ("addr_style_op_cc_subst")
7489 ("masked_op_cc_subst", "setcc_subst", "cconly_subst"): New
7490 substitutions patterns plus attributes.
7491 Add ashiftrt to SUBST iterator.
7493 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
7495 * config/s390/s390.md ("<shift><mode>3"): Change predicate of
7496 op2 to nonmemory_operand.
7497 ("*<shift>di3_31", "*<shift>di3_31_and"):
7498 Merge into single pattern definition ...
7499 ("*<shift>di3_31<addr_style_op><masked_op>"): New pattern.
7500 ("*<shift><mode>3", "*<shift><mode>3_and"): Merge into single
7501 pattern definition ...
7502 ("*<shift><mode>3<addr_style_op><masked_op>"): New pattern.
7503 * config/s390/subst.md: Add ashift and lshiftrt to SUBST
7504 iterator.
7506 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
7508 * config/s390/predicates.md (const_int_6bitset_operand): New
7509 predicate.
7510 * config/s390/s390.md: Include subst.md.
7511 ("rotl<mode>3"): New expander.
7512 ("rotl<mode>3", "*rotl<mode>3_and"): Merge insn definitions into
7513 ...
7514 ("*rotl<mode>3<addr_style_op><masked_op>"): New insn definition.
7515 * config/s390/subst.md: New file.
7517 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
7519 * config/s390/s390.md ("op_type", "atype", "length" attributes):
7520 Remove RRR type. It doesn't really exist.
7521 ("RRer", "f0", "v0", "vf", "vd", "op1", "Rf"): Remove mode
7522 attributes.
7523 ("BFP", "DFP", "nDSF", "nDFDI"): Add mode attributes.
7524 ("*cmp<mode>_ccs", "floatdi<mode>2", "add<mode>3")
7525 ("*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3")
7526 ("*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3")
7527 ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2")
7528 ("*abs<mode>2", "*negabs<mode>2", "sqrt<mode>2"): Override
7529 `enabled' attribute.
7531 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
7533 * gensupport.c (process_substs_on_one_elem): Split loop to
7534 complete mark_operands_used_in_match_dup on all expressions in the
7535 vector first.
7536 (adjust_operands_numbers): Inline into process_substs_on_one_elem
7537 and remove function.
7539 2016-02-29 Eric Botcazou <ebotcazou@adacore.com>
7541 PR target/69706
7542 * config/sparc/sparc.c (NWORDS_UP): Rename to...
7543 (CEIL_NWORDS): ...this. Use CEIL macro.
7544 (compute_fp_layout): Adjust to above renaming.
7545 (function_arg_union_value): Likewise.
7546 (sparc_arg_partial_bytes): Likewise.
7547 (sparc_function_arg_advance): Likewise.
7549 2016-02-29 Jeff Law <law@redhat.com>
7551 PR tree-optimization/70005
7552 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Handle case
7553 where an object with a boolean range is compared against a value
7554 outside [0..1].
7556 PR tree-optimization/69999
7557 * gimple-ssa-split-paths.c (split_paths): When duplicating a block
7558 with an outgoing edge marked with EDGE_IRREDUCIBLE_LOOP, schedule
7559 loop cleanups.
7561 2016-02-29 Richard Biener <rguenther@suse.de>
7563 PR tree-optimization/69994
7564 * tree-ssa-reassoc.c (gimple_nop_conversion_p): New function.
7565 (get_unary_op): Look through nop conversions.
7566 (ops_equal_values_p): New function, look for equality diregarding
7567 nop conversions.
7568 (eliminate_plus_minus_pair): Use ops_equal_values_p
7569 (repropagate_negates): Do not use get_unary_op here.
7571 2016-02-29 Martin Liska <mliska@suse.cz>
7573 * system.h: Poison ENABLE_CHECKING macro.
7575 2016-02-29 Martin Liska <mliska@suse.cz>
7577 * hsa-gen.c (gen_body_from_gimple): Dump only if TDF_DETAILS
7578 is presented in dump flags.
7579 * hsa-regalloc.c (linear_scan_regalloc): Likewise.
7580 (hsa_regalloc): Likewise.
7582 2016-02-19 Richard Biener <rguenther@suse.de>
7584 PR tree-optimization/69980
7585 * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Update
7586 permutation of those we need to keep.
7588 2016-02-29 Eric Botcazou <ebotcazou@adacore.com>
7590 PR target/69706
7591 * config/sparc/sparc.c (ROUND_ADVANCE): Rename to...
7592 (NWORDS_UP): ...this
7593 (init_cumulative_args): Minor tweaks.
7594 (sparc_promote_function_mode): Likewise.
7595 (scan_record_type): Delete.
7596 (traverse_record_type): New function template.
7597 (classify_data_t): New structure type.
7598 (classify_registers): New inline function.
7599 (function_arg_slotno): In 64-bit mode, bail out early if FP slots are
7600 exhausted. Instantiate traverse_record_type on classify_registers and
7601 deal with the case of a structure passed in slot #15 with no FP field
7602 in the first word.
7603 (assign_data_t): New structure type.
7604 (compute_int_layout): New static function.
7605 (compute_fp_layout): Likewise.
7606 (count_registers): New inline function.
7607 (assign_int_registers): New static function.
7608 (assign_fp_registers): Likewise.
7609 (assign_registers): New inline function.
7610 (function_arg_record_value_1): Delete.
7611 (function_arg_record_value_2): Likewise.
7612 (function_arg_record_value_3): Likewise.
7613 (function_arg_record_value): Adjust to above changes. Instantiate
7614 traverse_record_type on count_registers to first count the number of
7615 registers to be used and then on assign_registers to assign them.
7616 (function_arg_union_value): Adjust to above renaming.
7617 (sparc_function_arg_1); Minor tweaks. Remove commented out code.
7618 (sparc_arg_partial_bytes): Adjust to above renaming. Deal with the
7619 case of a structure passed in slot #15
7620 (sparc_function_arg_advance): Likewise.
7621 (function_arg_padding): Minor tweak.
7623 2016-02-29 Richard Biener <rguenther@suse.de>
7625 PR tree-optimization/69720
7626 * tree-vect-loop.c (get_initial_def_for_reduction): Avoid
7627 the adjustment_def path for possibly vectorized defs.
7628 (vect_create_epilog_for_reduction): Handle vectorized initial
7629 defs properly.
7631 2016-02-28 Eric Botcazou <ebotcazou@adacore.com>
7633 * config/i386/cygming.h (STACK_REALIGN_DEFAULT): Define.
7635 2016-02-27 Jeff Law <law@redhat.com>
7637 Revert
7638 2016-02-26 Richard Biener <rguenther@suse.de>
7639 Jeff Law <law@redhat.com>
7641 PR tree-optimization/69740
7642 * cfghooks.c (remove_edge): Request loop fixups if we delete
7643 an edge that might turn an irreducible loop into a natural
7644 loop.
7646 2016-02-27 Jakub Jelinek <jakub@redhat.com>
7648 PR rtl-optimization/69896
7649 * tree-vect-generic.c (get_compute_type): Avoid single element
7650 vector types.
7652 2016-02-26 Evandro Menezes <e.menezes@samsung.com>
7654 Rename the AArch64 tuning option and related functions to enable the
7655 Newton series for the reciprocal square root to reflect its
7656 approximative characteristic.
7658 * config/aarch64/aarch64-protos.h (aarch64_emit_swrsqrt): Rename
7659 function to "aarch64_emit_approx_rsqrt".
7660 * config/aarch64/aarch64-tuning-flags.def: Rename tuning flag to
7661 AARCH64_EXTRA_TUNE_APPROX_RSQRT.
7662 * config/aarch64/aarch64.c (exynosm1_tunigs): Use new flag name.
7663 (xgene1_tunings): Likewise.
7664 (use_rsqrt_p): Likewise.
7665 (aarch64_emit_swrsqrt): Use new function name.
7666 * config/aarch64/aarch64-simd.md (aarch64_rsqrts_*): Likewise.
7667 * config/aarch64/aarch64.opt (mlow-precision-recip-sqrt): Reword the
7668 text explaining this option.
7669 * doc/invoke.texi (-mlow-precision-recip-sqrt): Likewise.
7671 2016-02-26 Jakub Jelinek <jakub@redhat.com>
7673 PR target/69969
7674 * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
7675 complain about -mallow-movmisalign without -mvsx if
7676 TARGET_ALLOW_MOVMISALIGN was not set explicitly.
7678 2016-02-26 Joel Sherrill <joel@rtems.org>
7680 * config.gcc: Add x86_64-*-rtems*.
7681 * gcc/config/i386/rtems-64.h: New file.
7683 2016-02-26 Joel Sherrill <joel@rtems.org>
7685 * config.gcc: Add aarch64-*-rtems*.
7686 * gcc/config/aarch64/rtems.h: New file.
7688 2016-02-26 Segher Boessenkool <segher@kernel.crashing.org>
7690 PR target/69946
7691 * config/rs6000/rs6000.c (rs6000_insn_for_shift_mask): Print rlwinm
7692 shift amount using %h. Add comment.
7694 2016-02-26 Richard Biener <rguenther@suse.de>
7695 Jeff Law <law@redhat.com>
7697 PR tree-optimization/69740
7698 * cfghooks.c (remove_edge): Request loop fixups if we delete
7699 an edge that might turn an irreducible loop into a natural
7700 loop.
7702 2016-02-26 Martin Jambor <mjambor@suse.cz>
7704 PR middle-end/69920
7705 * tree-sra.c (sra_modify_assign): Do not remove loads of
7706 uninitialized aggregates to SSA_NAMEs.
7708 2016-02-26 Richard Henderson <rth@redhat.com>
7710 PR target/69709
7711 * config/s390/s390.md (risbg and risbgn splitters): Allocate new
7712 pseudo in case the target rtx matches the source of the left
7713 shift.
7715 2016-02-26 Martin Jambor <mjambor@suse.cz>
7717 PR hsa/69568
7718 * hsa.h (hsa_type_packed_p): Declare.
7719 * hsa.c (hsa_type_packed_p): New function.
7720 * hsa-gen.c (mem_type_for_type): Use unsigned type for packed
7721 loads.
7722 (gen_hsa_insns_for_store): Use hsa_type_packed_p.
7723 * hsa-brig.c (emit_basic_insn): Likewise.
7725 2016-02-26 Martin Jambor <mjambor@suse.cz>
7727 pr hsa/69674
7728 * hsa-gen.c (gen_hsa_phi_from_gimple_phi): Use proper hsa type for
7729 pointers.
7730 (gen_hsa_addr): Allow integer constants in TMR_INDEX2.
7732 2016-02-26 Martin Jambor <mjambor@suse.cz>
7734 * hsa.h (is_a_helper): New overload for hsa_op_immed for
7735 hsa_op_with_type operands.
7736 (hsa_unsigned_type_for_type): Declare.
7737 * hsa.c (hsa_unsigned_type_for_type): New function.
7738 * hsa-gen.c (gen_hsa_binary_operation): Use hsa_unsigned_type_for_type.
7739 (gen_hsa_insns_for_operation_assignment): Satisfy constrains of
7740 the finalizer. Do not emit extra move.
7742 2016-02-26 Martin Jambor <mjambor@suse.cz>
7744 * hsa-gen.c (gen_hsa_ternary_atomic_for_builtin): Fail in presence of
7745 atomic operations in private segment.
7747 2016-02-26 Martin Jambor <mjambor@suse.cz>
7749 * omp-low.c (grid_find_ungridifiable_statement): Store problematic
7750 statements to wi->info. Also disallow omp simd constructs.
7751 (grid_target_follows_gridifiable_pattern): Use wi.info to dump reason
7752 for not gridifying. Dump special string for omp_for.
7754 2016-02-26 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
7756 PR target/69245
7757 * config/aarch64/aarch64.c (aarch64_set_current_function):
7758 Save/restore target globals when switching to
7759 target_option_default_node.
7761 2016-02-26 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
7763 PR target/69613
7764 * config/aarch64/aarch64.c (aarch64_shift_truncation_mask):
7765 Return 0 if !SHIFT_COUNT_TRUNCATED.
7767 2016-02-26 Jakub Jelinek <jakub@redhat.com>
7768 Eric Botcazou <ebotcazou@adacore.com>
7770 PR rtl-optimization/69891
7771 * dse.c (scan_insn): If we can't figure out memset arguments
7772 or they are non-constant, call clear_rhs_from_active_local_stores.
7774 2016-02-26 Martin Liska <mliska@suse.cz>
7776 * doc/extend.texi: Mention clog10, clog10f an clog10l
7777 in Builtins section.
7779 2016-02-26 Martin Liska <mliska@suse.cz>
7781 * dwarf2out.c (new_loc_descr): Replace ENABLE_CHECKING with
7782 CHECKING_P.
7783 (resolve_args_picking_1): Likewise.
7784 * dwarf2out.h (struct GTY): Likewise.
7786 2016-02-26 Martin Liska <mliska@suse.cz>
7788 * hsa-gen.c (generate_hsa): Replace ENABLE_CHECKING macro
7789 with flag_checking.
7790 * hsa-regalloc.c (linear_scan_regalloc): Likewise.
7792 2016-02-26 Markus Trippelsdorf <markus@trippelsdorf.de>
7793 Martin Liska <mliska@suse.cz>
7795 * doc/install.texi: Mention --enable-valgrind-annotations.
7797 2016-02-26 Richard Biener <rguenther@suse.de>
7799 PR tree-optimization/69551
7800 * tree-ssa-structalias.c (get_constraint_for_ssa_var): When
7801 looking through aliases adjust DECL_PT_UID to refer to the
7802 ultimate alias target.
7804 2016-02-25 Martin Liska <mliska@suse.cz>
7806 PR middle-end/69919
7807 * alloc-pool.c (after_memory_report): New variable.
7808 * alloc-pool.h (base_pool_allocator ::release): Do not use
7809 the infrastructure if after_memory_report.
7810 * toplev.c (toplev::main): Mark after memory report.
7812 2016-02-25 Richard Biener <rguenther@suse.de>
7814 PR tree-optimization/48795
7815 * tree-vrp.c (check_array_ref): Use array_at_struct_end_p.
7817 2016-02-25 Ilya Verbin <ilya.verbin@intel.com>
7819 PR driver/68463
7820 * config/gnu-user.h (CRTOFFLOADBEGIN): Define. Add crtoffloadbegin.o if
7821 offloading is enabled and -fopenacc or -fopenmp is specified.
7822 (CRTOFFLOADEND): Likewise.
7823 (GNU_USER_TARGET_STARTFILE_SPEC): Add CRTOFFLOADBEGIN.
7824 (GNU_USER_TARGET_ENDFILE_SPEC): Add CRTOFFLOADEND.
7825 * lto-wrapper.c (offloadbegin, offloadend): Remove static vars.
7826 (offload_objects_file_name): New static var.
7827 (tool_cleanup): Remove offload_objects_file_name file.
7828 (find_offloadbeginend): Replace with ...
7829 (find_crtoffloadtable): ... this.
7830 (run_gcc): Remove offload_argc and offload_argv.
7831 Get offload_objects_file_name from -foffload-objects=... option.
7832 Read names of object files with offload from this file, pass them to
7833 compile_images_for_offload_targets. Don't call find_offloadbeginend and
7834 don't pass offloadbegin and offloadend to the linker. Don't pass
7835 offload non-LTO files to the linker, because now they're not claimed.
7837 2016-02-25 Jan Hubicka <hubicka@ucw.cz>
7839 PR ipa/69630
7840 * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
7841 on builtin_unreachable.
7843 2016-02-25 Jakub Jelinek <jakub@redhat.com>
7845 PR rtl-optimization/69896
7846 * regcprop.c: Include cfgrtl.h.
7847 (copyprop_hardreg_forward_1): If noop_p insn uses narrower
7848 than remembered mode, either delete it (if noop_move_p), or
7849 treat like copy_p but not noop_p instruction.
7851 2016-02-24 Jakub Jelinek <jakub@redhat.com>
7853 PR debug/69705
7854 * dwarf2out.c (gen_variable_die): Work around buggy LTO
7855 - allow NULL decl for Fortran DW_TAG_common_block variables.
7857 2016-02-24 Jason Merrill <jason@redhat.com>
7859 * common.opt (flifetime-dse): Add -flifetime-dse=1.
7861 2016-02-24 Richard Biener <rguenther@suse.de>
7862 Jakub Jelinek <jakub@redhat.com>
7864 PR middle-end/69760
7865 * tree-scalar-evolution.c (interpret_rhs_expr): Re-write
7866 conditionally executed ops to well-defined overflow behavior.
7868 2016-02-24 Jakub Jelinek <jakub@redhat.com>
7870 PR middle-end/69915
7871 * tree.c (build_vector_from_ctor): Fix handling of VECTOR_CST
7872 elements.
7874 2016-02-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
7876 PR rtl-optimization/69886
7877 * gcse.c (can_assign_to_reg_without_clobbers_p): Accept mode
7878 argument. Use it when checking validity of set instructions.
7879 (want_to_gcse_p): Pass mode to can_assign_to_reg_without_clobbers_p.
7880 (compute_ld_motion_mems): Update can_assign_to_reg_without_clobbers_p
7881 callsite.
7882 * rtl.h (can_assign_to_reg_without_clobbers_p): Update prototype.
7883 * store-motion.c (find_moveable_store): Update
7884 can_assign_to_reg_without_clobbers_p callsite.
7886 2016-02-24 Richard Biener <rguenther@suse.de>
7888 PR middle-end/68963
7889 * tree-ssa-loop-niter.c (derive_constant_upper_bound_ops): Fix
7890 bogus check.
7891 (record_nonwrapping_iv): Do not fall back to the low/high bound
7892 for non-constant IV bases if the stmt is not always executed.
7894 2016-02-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
7896 * config/arm/arm-cores.def (cortex-a32): New entry.
7897 * config/arm/arm-tables.opt: Regenerate.
7898 * config/arm/arm-tune.md: Regenerate.
7899 * config/arm/bpabi.h (BE8_LINK_SPEC): Add mcpu=cortex-a32.
7900 * config/arm/t-aprofile: Handle mcpu=cortex-a32.
7901 * doc/invoke.texi (ARM Options): Document cortex-a32 as value
7902 for -mcpu and -mtune.
7904 2016-02-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
7906 PR target/69875
7907 * config/arm/arm.h (TARGET_HAVE_LPAE): Define.
7908 * config/arm/unspecs.md (VUNSPEC_LDRD_ATOMIC): New value.
7909 * config/arm/sync.md (arm_atomic_loaddi2_ldrd): New pattern.
7910 (atomic_loaddi_1): Delete.
7911 (atomic_loaddi): Rewrite expander using the above changes.
7913 2016-02-24 Jakub Jelinek <jakub@redhat.com>
7915 PR c/69918
7916 * params.def (PARAM_MAX_SSA_NAME_QUERY_DEPTH): Bump default from
7917 2 to 3.
7919 2016-02-24 Jakub Jelinek <jakub@redhat.com>
7920 Richard Biener <rguenth@suse.de>
7922 PR middle-end/69909
7923 * expr.c (expand_expr_real_1) <normal_inner_ref>: Avoid
7924 set_mem_attributes if tem is SSA_NAME which got expanded
7925 as a MEM.
7927 2016-02-24 Richard Biener <rguenther@suse.de>
7929 PR tree-optimization/69907
7930 * tree-vect-stmts.c (vectorizable_load): Check for gaps at the
7931 end of permutations for BB vectorization.
7933 2016-02-24 Christian Bruel <christian.bruel@st.com>
7935 * config/arm/arm-c.c (arm_option_override): Initialize
7936 target_option_current_node.
7937 * config/arm/arm.c (arm_pragma_target_parse): Replace
7938 build_target_option_node call by target_option_current_node.
7939 Set target_option_current_node.
7940 Fix comments.
7942 2016-02-23 David Edelsohn <dje.gcc@gmail.com>
7944 PR target/69810
7945 * config/rs6000/rs6000.md (zero_extendqi<mode>2_dot): Convert from
7946 define_insn_and_split to define_insn.
7947 (zero_extendqi<mode>2_dot2): Same.
7948 (extendqi<mode>2_dot): Same.
7949 (extendqi<mode>2_dot2): Same.
7951 2016-02-23 Evandro Menezes <e.menezes@samsung.com>
7953 * config/arm/exynos-m1.md: Change cost of STP, fix bypass for stores
7954 and add bypass for AES{D,E} and AESMC pairs.
7955 * config/aarch64/aarch64.c (exynosm1_tunings): Enable fusion of AES{D,E}
7956 and AESMC pairs.
7958 2016-02-23 Evandro Menezes <e.menezes@samsung.com>
7960 * config/aarch64/aarch64.c (exynosm1_tunings): Enable the Newton
7961 series for reciprocal square root in Exynos M1.
7963 2016-02-23 Martin Sebor <msebor@redhat.com>
7965 PR c/69759
7966 * doc/extend.texi (Other Builtins): Document __builtin_alloca and
7967 __builtin_alloca_with_align.
7969 2016-02-23 Richard Henderson <rth@redhat.com>
7971 * config/i386/i386-c.c (ix86_target_macros): Remove __SEG_TLS.
7972 (ix86_register_pragmas): Remove __seg_tls.
7973 * config/i386/i386-protos.h (ADDR_SPACE_SEG_TLS): Remove.
7974 * config/i386/i386.c (ix86_print_operand_address_as): Don't handle it.
7975 (ix86_addr_space_subset_p, TARGET_ADDR_SPACE_SUBSET_P): Remove.
7976 (ix86_addr_space_convert, TARGET_ADDR_SPACE_CONVERT): Remove.
7977 (ix86_addr_space_debug, TARGET_ADDR_SPACE_DEBUG): Remove.
7978 * doc/extend.texi (__seg_tls): Remove item.
7980 2016-02-23 Richard Biener <rguenther@suse.de>
7982 * alloc-pool.h (struct allocation_object): Make id member
7983 conditional on CHECKING_P again.
7984 (get_instance): Adjust.
7985 (base_pool_allocator): Likewise.
7987 2016-02-23 Thomas Schwinge <thomas@codesourcery.com>
7989 * tree-parloops.c (create_parallel_loop, gen_parallel_loop)
7990 (parallelize_loops): In OpenACC kernels mode, set n_threads to
7991 zero.
7992 (pass_parallelize_loops::gate): In OpenACC kernels mode, gate on
7993 flag_openacc.
7994 * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
7996 2016-02-23 Richard Biener <rguenther@suse.de>
7998 * mem-stats.h (struct mem_usage): Use PRIu64 for printing size_t.
7999 * bitmap.h (struct bitmap_usage): Likewise.
8000 (bitmap_move): Declare.
8001 * bitmap.c (register_overhead): Take size_t argument.
8002 (bitmap_move): New function.
8003 * df-problems.c (df_rd_transfer_function): Use bitmap_move
8004 to properly account overhead.
8005 * tree.c (free_node): Use tree_size.
8007 2016-02-23 Jakub Jelinek <jakub@redhat.com>
8009 PR c++/69902
8010 * fold-const.c (fold_truth_not_expr): Propagate TREE_NO_WARNING
8011 when inverting comparison.
8013 PR c/69900
8014 * common.opt (Wunreachable-code): Add Warning flag.
8016 2016-02-23 Mark Wielaard <mjw@redhat.com>
8017 Jakub Jelinek <jakub@redhat.com>
8019 PR c/69911
8020 * cgraphunit.c (check_global_declaration): Check main_input_filename
8021 and DECL_SOURCE_FILE are not NULL.
8023 2016-02-23 Martin Jambor <mjambor@suse.cz>
8025 PR tree-optimization/69666
8026 * tree-sra.c (sra_modify_assign): Do not attempt to create
8027 default_def replacements for unscalarizable regions.
8029 2016-02-20 Mark Wielaard <mjw@redhat.com>
8031 PR c/28901
8032 * cgraphunit.c (check_global_declaration): Check level of
8033 warn_unused_const_variable and main_input_filename.
8034 * doc/invoke.texi (Warning Options): Add -Wunused-const-variable=.
8035 (-Wunused-variable): For C implies -Wunused-const-variable=1.
8036 (-Wunused-const-variable): Explain levels 1 and 2.
8038 2016-02-22 Jakub Jelinek <jakub@redhat.com>
8040 PR target/69888
8041 * config/i386/i386.c (decide_alg): Ensure we don't recurse with
8042 identical arguments. Formatting and spelling fixes.
8044 PR target/69885
8045 * doc/md.texi (ashl@var{m}3): Document that mode of operand 2 must
8046 be specified.
8048 PR target/69894
8049 PR target/69895
8050 * config/m68k/t-opts (OPTIONS_H_EXTRA): Add m68k-microarchs.def
8051 and m68k-devices.def.
8052 * config/c6x/t-c6x (OPTIONS_H_EXTRA): Add c6x-isas.def.
8053 * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add aarch64-arches.def.
8055 2016-02-22 Cesar Philippidis <cesar@codesourcery.com>
8057 * config/nvptx/nvptx.c (nvptx_gen_shuffle): Add support for QImode
8058 and HImode registers.
8060 2016-02-22 Richard Biener <rguenther@suse.de>
8062 PR tree-optimization/69882
8063 * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Properly
8064 preserve permutations present because of gaps.
8065 (vect_supported_load_permutation_p): Always continue checking
8066 permutations after vect_attempt_slp_rearrange_stmts.
8068 2016-02-22 Bin Cheng <bin.cheng@arm.com>
8070 * tree-vect-loop.c (vect_estimate_min_profitable_iters): Dump
8071 min_profitable_estimate, rather than min_profitable_iters.
8073 2016-02-22 Jakub Jelinek <jakub@redhat.com>
8075 PR target/69885
8076 * config/m68k/m68k.md (ashldi3, ashrdi3, lshrdi3): Use
8077 SImode for last match_operand.
8079 2016-02-22 Martin Liska <mliska@suse.cz>
8081 * hsa-gen.c (gen_hsa_clrsb): In case of zero value,
8082 return bitsize - 1 as the return value.
8084 2016-02-22 Oleg Endo <olegendo@gcc.gnu.org>
8086 PR target/69806
8087 PR target/54089
8088 * config/sh/sh.c (sh_lshrsi_clobbers_t_reg_p, sh_dynamicalize_shift_p):
8089 Handle negative shift counts.
8090 * config/sh/sh.md (ashlsi3, lshrsi3_n, lshrsi3_n_clobbers_t): Don't use
8091 force_reg on the shift constant.
8092 (lshrsi3): Likewise. Expand into lshrsi3_n* instead of lshrsi3_d.
8093 (lshrsi3_d): Handle negative shift counts.
8095 2016-02-22 Richard Biener <rguenther@suse.de>
8096 Tom de Vries <tom@codesourcery.com>
8098 * graph.c: Include dumpfile.h.
8099 (print_graph_cfg): Split into three overloads.
8100 * gdbhooks.py (class DotFn): Add and instantiate, adding command dot-fn.
8102 2016-02-22 Tom de Vries <tom@codesourcery.com>
8104 * gdbhooks.py (class DumpFn): Add and instantiate, adding command
8105 dump-fn.
8107 2016-02-22 Richard Biener <rguenther@suse.de>
8109 PR ipa/37448
8110 * ipa-inline-transform.c (inline_call): When not updating
8111 overall summaries adjust self size by the growth estimate.
8112 * ipa-inline.c (inline_to_all_callers_1): Add to the callers
8113 hash-set, do not update overall summaries here. Renamed from ...
8114 (inline_to_all_callers): ... this which is now wrapping the
8115 above and performing delayed overall summary update.
8116 (early_inline_small_functions): Delay updating of the overall
8117 summary.
8119 2016-02-21 Markus Trippelsdorf <markus@trippelsdorf.de>
8121 * tree-chkp.c (chkp_mark_invalid_bounds_walker): Initialize
8122 variable.
8124 2016-02-19 Jakub Jelinek <jakub@redhat.com>
8126 PR driver/69805
8127 * gcc.c (LINK_COMMAND_SPEC, GOMP_SELF_SPECS): Use
8128 :%* in %:gt() argument.
8129 (greater_than_spec_func): Adjust for expecting only numbers,
8130 if there are more than two numbers, compare the last two.
8132 2016-02-19 Jonathan Wakely <jwakely@redhat.com>
8134 * doc/invoke.texi (C++ Dialect Options): Clarify interaction of
8135 -Wnarrowing with -std.
8137 2016-02-19 Jakub Jelinek <jakub@redhat.com>
8139 PR c++/69851
8140 * expr.c (store_field): Don't use bit-field path if exp is
8141 COMPONENT_REF with TREE_ADDRESSABLE type, where TYPE_SIZE is
8142 different from bitsize, but DECL_SIZE of FIELD_DECL is bitsize
8143 and the assignment can be performed by bitwise copy. Formatting
8144 fix.
8146 PR middle-end/69838
8147 * lra.c (lra_process_new_insns): If non-call exceptions are enabled,
8148 call copy_reg_eh_region_note_forward on before and/or after sequences
8149 and remove note from insn if it no longer can throw.
8151 PR target/69820
8152 * config/i386/sse.md (VI_512): Only include V64QImode and V32HImode
8153 if TARGET_AVX512BW.
8155 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
8157 * config/s390/vector.md: Add missing commutative operand markers
8158 to the patterns which qualify for one.
8159 * config/s390/vx-builtins.md: Likewise.
8161 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
8163 * config/s390/vector.md (VI, VI_QHS): Add single element vector
8164 types to mode iterators.
8165 (vec_double): ... and mode attribute.
8166 * config/s390/vx-builtins.md (non_vec_int): Likewise.
8168 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
8170 * config/s390/vector.md ("<ti*>add<mode>3", "<ti*>sub<mode>3"):
8171 Change the predicate of op2 from nonimmediate to general and let
8172 reload fix it if necessary.
8174 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
8176 * config/s390/vecintrin.h (vec_sub_u128): Define missing macro.
8178 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
8180 * config/s390/s390.c (s390_expand_vcond): Use the compare operand
8181 mode.
8183 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
8185 * config/s390/s390-protos.h: Add s390_expand_vec_movstr prototype.
8186 * config/s390/s390.c (s390_expand_vec_movstr): New function.
8187 * config/s390/s390.md ("movstr<P:mode>"): Call
8188 s390_expand_vec_movstr.
8190 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
8192 * config/s390/s390.md: Add missing output modifier for operand 1
8193 to print it as address properly.
8195 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
8197 * config/s390/2827.md: Rename ooo_* insn attributes to zEC12_*.
8198 * config/s390/2964.md: New file.
8199 * config/s390/s390.c (s390_get_sched_attrmask): Use the right set
8200 of insn grouping attributes depending on the CPU level.
8201 (s390_get_unit_mask): New function.
8202 (s390_sched_score): Remove the OOO from the scheduling macros.
8203 Add loop to calculate a score for the instruction mix.
8204 (s390_sched_reorder): Likewise plus improve debug output.
8205 (s390_sched_variable_issue): Rename macros as above. Calculate
8206 the unit distances after actually scheduling an insn. Improve
8207 debug output.
8208 (s390_sched_init): Clear last_scheduled_unit_distance array.
8209 * config/s390/s390.md: Include 2964.md.
8211 2016-02-18 Jakub Jelinek <jakub@redhat.com>
8213 PR target/69671
8214 * config/i386/sse.md (*<floatsuffix>floatv2div2sf2_mask_1,
8215 *avx512vl_<code>v2div2qi2_mask_1, *avx512vl_<code><mode>v4qi2_mask_1,
8216 *avx512vl_<code><mode>v8qi2_mask_1, *avx512vl_<code><mode>v4hi2_mask_1,
8217 *avx512vl_<code>v2div2hi2_mask_1, *avx512vl_<code>v2div2si2_mask_1,
8218 *avx512f_<code>v8div16qi2_mask_1): New insns.
8220 2016-02-18 Michael Meissner <meissner@linux.vnet.ibm.com>
8222 PR target/68404
8223 * config/rs6000/predicates.md (fusion_gpr_addis): Revert
8224 2016-02-09 change.
8226 * config/rs6000/rs6000.md (fusion_gpr_load_<mode>): Remove
8227 earlyclobber from target. Use wF constraint for fused memory
8228 address.
8229 (fusion_gpr_<P:mode>_<GPR_FUSION:mode>_load): Likewise.
8231 2016-02-18 Jakub Jelinek <jakub@redhat.com>
8232 Martin Liska <mliska@suse.cz>
8234 PR sanitizer/69863
8235 * cfgexpand.c (asan_sanitize_stack_p): New function.
8236 (partition_stack_vars): Use the function.
8237 (expand_stack_vars): Likewise.
8238 (defer_stack_allocation): Likewise.
8239 (expand_used_vars): Likewise.
8241 2016-02-18 Richard Biener <rguenther@suse.de>
8243 PR middle-end/69553
8244 * fold-const.c (operand_equal_p): Properly compare offsets for
8245 IMAGPART_EXPR and ARRAY_REF.
8247 2016-02-18 Nick Clifton <nickc@redhat.com>
8249 PR target/62254
8250 PR target/69610
8251 * config/arm/arm.c (arm_option_override_internal): Disable
8252 interworking if the target does not support thumb instructions.
8253 (arm_reload_in_hi): Handle the case where a register to register
8254 move needs reloading because there is no simple pattern to handle
8255 it.
8256 (arm_reload_out_hi): Likewise.
8258 2016-02-18 Richard Biener <rguenther@suse.de>
8260 PR middle-end/69854
8261 * match.pd: Don't use fold_binary or fold_unary for folding
8262 constants.
8264 2016-02-17 Jakub Jelinek <jakub@redhat.com>
8266 PR c++/69850
8267 * gimplify.c (gimplify_cond_expr): Call gimple_set_no_warning
8268 on the cond_stmt from TREE_NO_WARNING on COND_EXPR_COND.
8269 * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Don't
8270 warn on gimple_no_warning_p statements.
8272 2016-02-17 Jonathan Wakely <jwakely@redhat.com>
8274 * doc/extend.texi (C++ Attributes): Correct description of
8275 warn_unused type attribute.
8277 2016-02-17 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
8279 * config/rs6000/altivec.md (*altivec_lvxl_<mode>_internal): Output
8280 correct instruction.
8282 2016-02-17 Richard Biener <rguenther@suse.de>
8284 PR rtl-optimization/69609
8285 * bb-reorder.c (struct bbro_basic_block_data): Add priority member.
8286 (find_traces_1_round): When ending a trace update cached priority
8287 of successors.
8288 (bb_to_key): Use cached priority when available.
8289 (copy_bb): Initialize cached priority.
8290 (reorder_basic_blocks_software_trace_cache): Likewise.
8292 2016-02-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
8294 PR target/69161
8295 * config/aarch64/predicates.md (aarch64_comparison_operator_mode):
8296 New predicate.
8297 (aarch64_comparison_operator): Break overly long line into two.
8298 (aarch64_comparison_operation): Likewise.
8299 * config/aarch64/aarch64.md (cstorecc4): Use
8300 aarch64_comparison_operator_mode instead of
8301 aarch64_comparison_operator.
8302 (cstore<mode>4): Likewise.
8303 (aarch64_cstore<mode>): Likewise.
8304 (*cstoresi_insn_uxtw): Likewise.
8305 (cstore<mode>_neg): Likewise.
8306 (*cstoresi_neg_uxtw): Likewise.
8308 2016-02-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
8310 PR target/69161
8311 * config/arm/predicates.md (arm_comparison_operator_mode):
8312 New predicate.
8313 * config/arm/arm.md (*mov_scc): Use arm_comparison_operator_mode
8314 instead of arm_comparison_operator.
8315 (*mov_negscc): Likewise.
8316 (*mov_notscc): Likewise.
8317 * config/arm/thumb2.md (*thumb2_mov_scc): Likewise.
8318 (*thumb2_mov_negscc): Likewise.
8319 (*thumb2_mov_negscc_strict_it): Likewise.
8320 (*thumb2_mov_notscc): Likewise.
8321 (*thumb2_mov_notscc_strict_it): Likewise.
8323 2016-02-17 Wilco Dijkstra <wdijkstr@arm.com>
8325 * config/aarch64/aarch64.c (aarch64_internal_mov_immediate):
8326 Add missing return.
8328 2016-02-17 Eric Botcazou <ebotcazou@adacore.com>
8330 * config/visium/visium.c (machine_libfunc_index): New enum.
8331 (machine_libfuncs): New structure.
8332 (visium_libfuncs): New static variable.
8333 (TARGET_INIT_LIBFUNCS): Define to...
8334 (visium_init_libfuncs): ...this. New function.
8335 (expand_block_move_4): Use the appropriate libfunc.
8336 (expand_block_move_2): Likewise.
8337 (expand_block_move_1): Likewise.
8338 (expand_block_set_4): Likewise.
8339 (expand_block_set_2): Likewise.
8340 (expand_block_set_1): Likewise.
8341 (visium_trampoline_init): Likewise.
8343 2016-02-17 Nick Clifton <nickc@redhat.com>
8345 * config/msp430/msp430.c (msp430_mcu_data): Sync with data from
8346 TI's devices.csv file as of March 2016.
8348 2016-02-16 Kelvin Nilsen <kelvin@gcc.gnu.org>
8350 PR Target/48344
8351 * opts-global.c (handle_common_deferred_options): Introduce and
8352 initialize two global variables to remember command-line options
8353 specifying a stack-limiting register.
8354 * opts.h: Add extern declarations of the two new global variables.
8355 * emit-rtl.c (init_emit_once): Initialize the stack_limit_rtx
8356 variable based on the values of the two new global variables.
8358 2016-02-16 Jakub Jelinek <jakub@redhat.com>
8360 PR c/69835
8361 * common.opt (Wnonnull-compare): New warning.
8362 * doc/invoke.texi (-Wnonnull): Remove text about comparison
8363 of arguments against NULL.
8364 (-Wnonnull-compare): Document.
8365 * Makefile.in (OBJS): Add gimple-ssa-nonnull-compare.o.
8366 * tree-pass.h (make_pass_warn_nonnull_compare): Declare.
8367 * passes.def (pass_warn_nonnull_compare): Add.
8368 * gimple-ssa-nonnull-compare.c: New file.
8370 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
8372 * config/aarch64/aarch64.c (cortexa57_tunings): Remove
8373 AARCH64_EXTRA_TUNE_RECIP_SQRT.
8375 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
8377 * config/aarch64/aarch64.c (use_rsqrt_p): Always use software
8378 reciprocal sqrt for -mlow-precision-recip-sqrt.
8380 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
8381 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
8383 * config/aarch64/aarch64.c (aarch64_expand_vector_init): Refactor,
8384 always use lane loads to construct non-constant vectors.
8386 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
8388 * config/aarch64/aarch64.md
8389 (arch64_sqrdml<SQRDMLH_AS:rdma_as>h_lane<mode>): Fix register
8390 constraints for operand 3.
8391 (aarch64_sqrdml<SQRDMLH_AS:rdma_as>h_laneq<mode>): Likewise.
8393 2016-02-16 Jakub Jelinek <jakub@redhat.com>
8394 Richard Biener <rguenther@suse.de>
8396 PR tree-optimization/69820
8397 * tree-vect-patterns.c (type_conversion_p): Return false if
8398 *orig_type is unsigned single precision or boolean.
8399 (vect_recog_dot_prod_pattern, vect_recog_widen_mult_pattern):
8400 Formatting fix.
8402 2016-02-16 Jakub Jelinek <jakub@redhat.com>
8404 PR rtl-optimization/69764
8405 PR rtl-optimization/69771
8406 * optabs.c (expand_binop): Ensure for shift optabs invalid CONST_INT
8407 op1 is valid for GET_MODE_INNER (mode) and force it into a reg.
8409 2016-02-16 Richard Biener <rguenther@suse.de>
8411 PR tree-optimization/69776
8412 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Get alias
8413 sets from caller.
8414 (indirect_refs_may_alias_p): Likewise.
8415 (refs_may_alias_p_1): Pass alias sets as from ao_ref.
8416 * tree-ssa-sccvn.c (vn_reference_lookup): Also adjust vr alias-set
8417 according to tbaa_p.
8418 * tree-ssa-dom.c (lookup_avail_expr): Add tbaa_p flag.
8419 (optimize_stmt): For redundant store discovery do not allow tbaa.
8421 2016-02-16 Bernd Schmidt <bschmidt@redhat.com>
8423 PR tree-optimization/69714
8424 * tree-ssa-math-opts.c (find_bswap_or_nop): Revert previous change.
8425 Return NULL if we have irrelevant high bytes on BIG_ENDIAN.
8427 2016-02-16 Claudiu Zissulescu <claziss@synopsys.com>
8429 * config/arc/arc-modes.def (CC_FPU, CC_FPU_UNEQ): New modes.
8430 * config/arc/arc-opts.h (FPU_SP, FPU_SF, FPU_SC, FPU_SD, FPU_DP)
8431 (FPU_DF, FPU_DC, FPU_DD, FXP_DP): Define.
8432 * config/arc/arc.c (arc_init): Check FPU options.
8433 (get_arc_condition_code): Handle new CC_FPU* modes.
8434 (arc_select_cc_mode): Likewise.
8435 (arc_conditional_register_usage): Allow 64 bit datum into even-odd
8436 register pair only. Allow access for ARCv2 accumulator.
8437 (gen_compare_reg): Whenever we have FPU support use FPU compare
8438 instructions.
8439 (arc_reorg): Don't generate brcc insns when FPU compare
8440 instructions are involved.
8441 * config/arc/arc.h (TARGET_DPFP): Add TARGET_FP_DPAX condition.
8442 (TARGET_OPTFPE): Add condition when ARC EM can use optimized
8443 floating point emulation.
8444 (ACC_REG_FIRST, ACC_REG_LAST, ACCL_REGNO, ACCH_REGNO): Define.
8445 (REVERSE_CONDITION): Add new CC_FPU* modes.
8446 (TARGET_FP_SP_BASE): Define.
8447 (TARGET_FP_DP_BASE): Likewise.
8448 (TARGET_FP_SP_FUSED): Likewise.
8449 (TARGET_FP_DP_FUSED): Likewise.
8450 (TARGET_FP_SP_CONV): Likewise.
8451 (TARGET_FP_DP_CONV): Likewise.
8452 (TARGET_FP_SP_SQRT): Likewise.
8453 (TARGET_FP_DP_SQRT): Likewise.
8454 (TARGET_FP_DP_AX): Likewise.
8455 * config/arc/arc.md (ARCV2_ACC): New constant.
8456 (type): New fpu type attribute.
8457 (SDF): Conditional iterator.
8458 (cstore<mode>, cbranch<mode>): Change expand condition.
8459 (addsf3, subsf3, mulsf3, adddf3, subdf3, muldf3): New expands,
8460 handles FPU/FPX cases as well.
8461 * config/arc/arc.opt (mfpu): New option.
8462 * config/arc/fpx.md (addsf3_fpx, subsf3_fpx, mulsf3_fpx):
8463 Renamed.
8464 (adddf3, muldf3, subdf3): Removed.
8465 * config/arc/predicates.md (proper_comparison_operator): Recognize
8466 CC_FPU* modes.
8467 * config/arc/fpu.md: New file.
8468 * doc/invoke.texi (ARC Options): Document mfpu option.
8470 2016-02-16 Richard Biener <rguenther@suse.de>
8472 PR rtl-optimization/69291
8473 * ifcvt.c (noce_try_store_flag_constants): Re-instantiate
8474 noce_operand_ok check.
8476 2016-02-16 Tom de Vries <tom@codesourcery.com>
8478 PR lto/67709
8479 * omp-low.c (simd_clone_create): Remove call to
8480 symtab->call_cgraph_insertion_hooks.
8482 2016-02-16 Jakub Jelinek <jakub@redhat.com>
8484 PR tree-optimization/69802
8485 * tree-ssa-reassoc.c (update_range_test): If op is
8486 SSA_NAME_IS_DEFAULT_DEF, give up unless tem is a positive
8487 op == 1 test of precision 1 integral op, otherwise handle
8488 that case as op itself. Fix up formatting.
8489 (optimize_range_tests_to_bit_test, optimize_range_tests): Fix
8490 up formatting.
8492 2016-02-16 Richard Biener <rguenther@suse.de>
8494 PR tree-optimization/69586
8495 * tree-vrp.c (register_edge_assert_for_2): Handle all integral
8496 types for conversion sources.
8498 2016-02-16 Richard Biener <rguenther@suse.de>
8500 PR middle-end/69801
8501 * fold-const.c (operand_equal_p): For COND_EXPR zero operand
8502 mask OEP_ADDRESS_OF.
8504 2016-02-16 Alan Modra <amodra@gmail.com>
8506 PR target/68973
8507 * config/rs6000/rs6000.md (reload_vsx_from_gprsf): Rewrite splitter.
8508 (p8_mtvsrd_df, p8_mtvsrd_sf): New.
8509 (p8_mtvsrd_1, p8_mtvsrd_2): Delete.
8510 (p8_mtvsrwz): New.
8511 (p8_mtvsrwz_1, p8_mtvsrwz_2): Delete.
8512 (p8_xxpermdi_<mode>): Take two DF inputs rather than one TF.
8513 (p8_fmrgow_<mode>): Likewise.
8514 (reload_vsx_from_gpr<mode>): Make clobber IF. Adjust for above
8515 changes.
8516 (reload_fpr_from_gpr<mode>): Similarly. Use "d" for op0 constraint.
8517 (reload_vsx_from_gprsf): Use p8_mtvsrd_sf rather than attempting
8518 to use movdi_internal64. Remove op0_di.
8519 * config/rs6000/vsx.md (vsx_xscvspdpn_directmove): Make op1 SFmode.
8521 2016-02-15 Evandro Menezes <e.menezes@samsung.com>
8523 Add support for the FCCMP insn types
8525 * config/aarch64/aarch64.md (fccmp): Change insn type.
8526 (fccmpe): Likewise.
8527 * config/aarch64/thunderx.md (thunderx_fcmp): Add "fccmp{s,d}" types.
8528 * config/arm/cortex-a53.md (cortex_a53_fpalu): Likewise.
8529 * config/arm/cortex-a57.md (cortex_a57_fp_cmp): Likewise.
8530 * config/arm/xgene1.md (xgene1_fcmp): Likewise.
8531 * config/arm/exynos-m1.md (exynos_m1_fp_ccmp): New insn reservation.
8532 * config/arm/types.md (fccmps): Add new insn type.
8533 (fccmpd): Likewise.
8535 2016-02-15 Bernd Edlinger <bernd.edlinger@hotmail.de>
8537 * alias.c (get_alias_set): Fix a typo in comment.
8539 2016-02-15 Richard Biener <rguenther@suse.de>
8541 PR tree-optimization/69595
8542 * match.pd: Complete range test simplification to true.
8544 2016-02-15 Bernd Schmidt <bschmidt@redhat.com>
8546 PR rtl-optimization/69648
8547 * lra-constraints.c (update_ebb_live_info): Don't remove sets of
8548 pic_offset_table_rtx.
8550 PR rtl-optimization/69752
8551 * ira.c (update_equiv_regs): When looking for more than a single SET,
8552 also take other side effects into account.
8554 2016-02-15 Marcin Kościelnicki <koriakin@0x04.net>
8556 * config/s390/s390.c (s390_function_profiler): Add a new sequence
8557 for z900+ CPUs in 31-bit mode.
8559 2016-02-15 Marcin Kościelnicki <koriakin@0x04.net>
8561 * common/config/s390/s390-common.c (s390_supports_split_stack):
8562 New function.
8563 (TARGET_SUPPORTS_SPLIT_STACK): New macro.
8564 * config/s390/s390-protos.h: Add s390_expand_split_stack_prologue.
8565 * config/s390/s390.c (struct machine_function): New field
8566 split_stack_varargs_pointer.
8567 (s390_register_info): Mark r12 as clobbered if it'll be used as temp
8568 in s390_emit_prologue.
8569 (s390_emit_prologue): Use r12 as temp if r1 is taken by split-stack
8570 vararg pointer.
8571 (morestack_ref): New global.
8572 (SPLIT_STACK_AVAILABLE): New macro.
8573 (s390_expand_split_stack_prologue): New function.
8574 (s390_live_on_entry): New function.
8575 (s390_va_start): Use split-stack vararg pointer if appropriate.
8576 (s390_asm_file_end): Emit the split-stack note sections.
8577 (TARGET_EXTRA_LIVE_ON_ENTRY): New macro.
8578 * config/s390/s390.md (UNSPEC_STACK_CHECK): New unspec.
8579 (UNSPECV_SPLIT_STACK_CALL): New unspec.
8580 (UNSPECV_SPLIT_STACK_DATA): New unspec.
8581 (split_stack_prologue): New expand.
8582 (split_stack_space_check): New expand.
8583 (split_stack_data): New insn.
8584 (split_stack_call): New expand.
8585 (split_stack_call_*): New insn.
8586 (split_stack_cond_call): New expand.
8587 (split_stack_cond_call_*): New insn.
8589 2016-02-15 Richard Biener <rguenther@suse.de>
8591 PR tree-optimization/69783
8592 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
8593 Add trivially correct cases.
8595 2016-02-15 Tom de Vries <tom@codesourcery.com>
8597 PR lto/69655
8598 * lto-cgraph.c (input_offload_tables): Add and handle bool parameter
8599 do_force_output.
8600 * lto-streamer.h (input_offload_tables): Add and handle bool parameter.
8602 2016-02-15 Richard Biener <rguenther@suse.de>
8604 PR tree-optimization/69776
8605 * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
8606 * tree-ssa-sccvn.c (vn_reference_lookup): Add parameter to
8607 indicate whether we can use TBAA to disambiguate against stores.
8608 Use alias-set zero if not.
8609 (visit_reference_op_store): Do not use TBAA when looking up
8610 redundant stores.
8611 * tree-ssa-pre.c (compute_avail): Use TBAA here.
8612 (eliminate_dom_walker::before_dom_children): But not when looking
8613 up redundant stores.
8615 2016-02-14 John David Anglin <danglin@gcc.gnu.org>
8617 * config/pa/pa.md (absqi2, absghi2, bswaphi2, bswapsi2, bswapdi2): New.
8619 2016-02-14 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
8621 * config/i386/znver1.md
8622 (znver1_pop, znver1_pop_mem,
8623 znver1_load_imov_double_store,
8624 znver1_load_imov_direct_store,
8625 znver1_load_imov_direct_load,
8626 znver1_load_imov_double_load): Add new.
8627 (znver1_insn, znver1_insn_load): Add icmov type.
8628 (znver1_sseavx_fma,
8629 znver1_sseavx_fma_load,
8630 znver1_avx256_fma,
8631 znver1_avx256_fma_load): Fix pipe usage.
8633 2016-02-14 Alan Modra <amodra@gmail.com>
8635 PR target/68973
8636 * reloads.c (find_reloads_address_1): For pre/post-inc/dec
8637 with an invalid hard reg, reload just the reg not the entire
8638 pre/post-inc/dec address expression.
8640 2016-02-13 Oleg Endo <olegendo@gcc.gnu.org>
8642 PR target/67260
8643 * config/sh/sh.md (sibcall_value_pcrel): Replace =&k scratch reg with
8644 fixed R1_REG scratch reg.
8645 (sibcall_value_pcrel_fdpic): Likewise.
8647 2016-02-13 Oleg Endo <olegendo@gcc.gnu.org>
8649 PR target/67636
8650 PR target/64345
8651 * config/sh/sh.md (*zero_extract_3): New insn_and_split pattern.
8653 2016-02-12 Walter Lee <walt@tilera.com>
8655 * config/tilepro/t-tilepro: Replace CC_FOR_BUILD with CXX_FOR_BUILD.
8656 * config/tilegx/t-tilegx: Likewise.
8658 2016-02-12 David Malcolm <dmalcolm@redhat.com>
8660 PR other/69554
8661 * diagnostic-show-locus.c (struct line_span): New struct.
8662 (layout::get_first_line): Delete.
8663 (layout::get_last_line): Delete.
8664 (layout::get_num_line_spans): New member function.
8665 (layout::get_line_span): Likewise.
8666 (layout::print_heading_for_line_span_index_p): Likewise.
8667 (layout::get_expanded_location): Likewise.
8668 (layout::calculate_line_spans): Likewise.
8669 (layout::m_first_line): Delete.
8670 (layout::m_last_line): Delete.
8671 (layout::m_line_spans): New field.
8672 (layout::layout): Update comment. Replace m_first_line and
8673 m_last_line with m_line_spans, replacing their initialization
8674 with a call to calculate_line_spans.
8675 (diagnostic_show_locus): When printing source lines and
8676 annotations, rather than looping over a single span
8677 of lines, instead loop over each line_span within
8678 the layout, with an inner loop over the lines within them.
8679 Call the context's start_span callback when changing line spans.
8680 * diagnostic.c (diagnostic_initialize): Initialize start_span.
8681 (diagnostic_build_prefix): Break out the building of the location
8682 part of the string into...
8683 (diagnostic_get_location_text): ...this new function, rewriting
8684 it from nested ternary expressions to a sequence of "if"
8685 statements.
8686 (default_diagnostic_start_span_fn): New function.
8687 * diagnostic.h (diagnostic_start_span_fn): New typedef.
8688 (diagnostic_context::start_span): New field.
8689 (default_diagnostic_start_span_fn): New prototype.
8691 2016-02-12 David Malcolm <dmalcolm@redhat.com>
8693 PR driver/69779
8694 * gcc.c (driver::finalize): Fix cleanup of "specs".
8696 2016-02-12 David Malcolm <dmalcolm@redhat.com>
8698 PR driver/69265
8699 PR driver/69453
8700 * gcc.c (driver::driver): Initialize m_option_suggestions.
8701 (driver::~driver): Clean up m_option_suggestions.
8702 (suggest_option): Convert to...
8703 (driver::suggest_option): ...this, and split out into
8704 driver::build_option_suggestions and find_closest_string.
8705 (driver::build_option_suggestions): New function, from
8706 first half of suggest_option. Special-case
8707 OPT_fsanitize_ and OPT_fsanitize_recover_, making use of
8708 the sanitizer_opts array. For options of enum types, add the
8709 various enum values to the candidate strings.
8710 (driver::handle_unrecognized_options): Remove "const".
8711 * gcc.h (driver::handle_unrecognized_options): Likewise.
8712 (driver::build_option_suggestions): New decl.
8713 (driver::suggest_option): New decl.
8714 (driver::m_option_suggestions): New field.
8715 * opts-common.c (add_misspelling_candidates): New function.
8716 * opts.c (sanitizer_opts): Remove decl of struct sanitizer_opts_s
8717 and make non-static.
8718 * opts.h (sanitizer_opts): New array decl.
8719 (add_misspelling_candidates): New function decl.
8720 * spellcheck.c (find_closest_string): New function.
8721 * spellcheck.h (find_closest_string): New function decl.
8723 2016-02-12 Jakub Jelinek <jakub@redhat.com>
8725 PR rtl-optimization/69764
8726 PR rtl-optimization/69771
8727 * optabs.c (expand_binop_directly): For shift_optab_p, force
8728 convert_modes with VOIDmode if xop1 has VOIDmode.
8730 2016-02-12 Ilya Enkovich <enkovich.gnu@gmail.com>
8732 PR target/69729
8733 * lto-streamer-out.c (lto_output): Use thunk.add_pointer_bounds_args
8734 to correctly determine instrumentation thunks.
8736 2016-02-12 Jakub Jelinek <jakub@redhat.com>
8738 PR ipa/69241
8739 * ipa-split.c (split_function): If split part returns TREE_ADDRESSABLE
8740 type by reference, force lhs on the call.
8742 PR ipa/68672
8743 * ipa-split.c (split_function): Don't compute/use main_part_return_p.
8744 Compute retval and retbnd early in all cases if split_part_return_p
8745 and return_bb is not EXIT. Remove all clobber stmts and reset
8746 all debug stmts that refer to SSA_NAMEs defined in split part,
8747 except if it is retval, in that case replace the old retval with the
8748 lhs of the call to the split part.
8750 2016-02-12 Kugan Vivekanandarajah <kuganv@linaro.org>
8752 revert:
8753 2016-02-12 Kugan Vivekanandarajah <kuganv@linaro.org>
8755 PR middle-end/66726
8756 * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
8757 whose result is used in PHI.
8758 (maybe_optimize_range_tests): Likewise.
8759 (final_range_test_p): Likweise.
8761 2016-02-12 Kugan Vivekanandarajah <kuganv@linaro.org>
8763 PR middle-end/66726
8764 * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
8765 whose result is used in PHI.
8766 (maybe_optimize_range_tests): Likewise.
8767 (final_range_test_p): Likweise.
8769 2016-02-12 Jakub Jelinek <jakub@redhat.com>
8771 * cgraph.c: Spelling fixes - behaviour -> behavior and
8772 neighbour -> neighbor.
8773 * target.def: Likewise.
8774 * sel-sched.c: Likewise.
8775 * config/mips/mips.c: Likewise.
8776 * config/arc/arc.md: Likewise.
8777 * config/arm/cortex-a57.md: Likewise.
8778 * config/arm/arm.c: Likewise.
8779 * config/arm/neon.md: Likewise.
8780 * config/arm/arm-c.c: Likewise.
8781 * config/vms/vms-c.c: Likewise.
8782 * config/s390/s390.c: Likewise.
8783 * config/i386/znver1.md: Likewise.
8784 * config/i386/i386.c: Likewise.
8785 * config/ia64/hpux-unix2003.h: Likewise.
8786 * config/msp430/msp430.md: Likewise.
8787 * config/rx/rx.c: Likewise.
8788 * config/rx/rx.md: Likewise.
8789 * config/aarch64/aarch64-simd.md: Likewise.
8790 * config/aarch64/aarch64.c: Likewise.
8791 * config/nvptx/nvptx.c: Likewise.
8792 * config/bfin/bfin.c: Likewise.
8793 * config/cris/cris.opt: Likewise.
8794 * config/rs6000/rs6000.c: Likewise.
8795 * target.h: Likewise.
8796 * spellcheck.c: Likewise.
8797 * ira-build.c: Likewise.
8798 * tree-inline.c: Likewise.
8799 * builtins.c: Likewise.
8800 * lra-constraints.c: Likewise.
8801 * explow.c: Likewise.
8802 * hwint.h: Likewise.
8803 * targhooks.c: Likewise.
8804 * tree-vect-data-refs.c: Likewise.
8805 * expr.c: Likewise.
8806 * doc/tm.texi: Likewise.
8807 * doc/extend.texi: Likewise.
8808 * doc/install.texi: Likewise.
8809 * doc/md.texi: Likewise.
8810 * tree-ssa-tail-merge.c: Likewise.
8811 * sched-int.h: Likewise.
8812 * match.pd: Likewise.
8813 * sched-ebb.c: Likewise.
8814 * target.def (omit_struct_return_reg): Likewise.
8815 * gimple-ssa-isolate-paths.c: Likewise.
8816 (find_implicit_erroneous_behaviour): Renamed to...
8817 (find_implicit_erroneous_behavior): ... this.
8818 (find_explicit_erroneous_behaviour): Renamed to...
8819 (find_explicit_erroneous_behavior): ... this.
8820 (gimple_ssa_isolate_erroneous_paths): Adjust caller.
8822 2016-02-11 Segher Boessenkool <segher@kernel.crashing.org>
8824 PR rtl-optimization/64682
8825 PR rtl-optimization/69567
8826 PR rtl-optimization/69737
8827 * combine.c (distribute_notes) <REG_DEAD>: If the register is set
8828 in I2 as well, just lose it.
8830 2016-02-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
8832 * config/aarch64/aarch64.c (aarch64_last_printed_arch_string):
8833 New variable.
8834 (aarch64_last_printed_tune_string): Likewise.
8835 (aarch64_declare_function_name): Only output .arch assembler
8836 directive if it will be different from the previously output
8837 directive. Same for .tune comment but only if -dA is set.
8838 (aarch64_start_file): New function.
8839 (TARGET_ASM_FILE_START): Define.
8841 2016-02-11 David Malcolm <dmalcolm@redhat.com>
8843 PR plugins/69758
8844 * Makefile.in (PLUGIN_HEADERS): Add params.list.
8846 2016-02-11 Jakub Jelinek <jakub@redhat.com>
8848 PR target/65313
8849 * tree-vect-slp.c (vect_schedule_slp_instance): Avoid
8850 -Wmaybe-uninitialized warning.
8852 2016-02-11 Oleg Endo <olegendo@gcc.gnu.org>
8854 PR target/69713
8855 * config/sh/sh.md (casesi_worker_0): Add T_REG use.
8857 2016-02-11 Richard Biener <rguenther@suse.de>
8859 PR rtl-optimization/69291
8860 * ifcvt.c (noce_try_store_flag_constants): Do not allow
8861 subexpressions affected by changing the result.
8863 2016-02-10 Vladimir Makarov <vmakarov@redhat.com>
8865 PR target/69148
8866 * lra-constraints.c (curr_insn_transform): Find in/out operands
8867 for secondary memory moves. Update dups.
8869 2016-02-10 Yuri Rumyantsev <ysrumyan@gmail.com>
8871 PR tree-optimization/69652
8872 * tree-vect-loop.c (optimize_mask_stores): Move declaration of STMT1
8873 to nested loop, did source re-formatting, skip debug statements,
8874 add check on statement with volatile operand, remove dead scalar
8875 statements.
8877 2016-02-10 Jakub Jelinek <jakub@redhat.com>
8878 Patrick Palka <ppalka@gcc.gnu.org>
8880 PR ipa/69241
8881 PR c++/69649
8882 * gimplify.c (gimplify_modify_expr): Set lhs even for noreturn
8883 calls if the return type is TREE_ADDRESSABLE.
8884 * cgraphunit.c (cgraph_node::expand_thunk): Likewise.
8885 * ipa-split.c (split_function): Fix doubled "we" in comment.
8886 Use void return type for the split part even if
8887 !split_point->split_part_set_retval.
8889 2016-02-10 Bin Cheng <bin.cheng@arm.com>
8891 PR tree-optimization/68021
8892 * tree-ssa-loop-ivopts.c (get_computation_aff): Set ratio to 1 if
8893 when computing the value of biv cand by itself.
8895 2016-02-10 Wilco Dijkstra <wdijkstr@arm.com>
8897 * config/aarch64/aarch64.c (cortexa53_tunings): Enable AES fusion.
8898 (cortexa57_tunings): Likewise.
8899 (cortexa72_tunings): Likewise.
8900 (arch_macro_fusion_pair_p): Add support for AES fusion.
8901 * config/aarch64/aarch64-fusion-pairs.def: Add AES_AESMC entry.
8902 * config/arm/aarch-common.c (aarch_crypto_can_dual_issue):
8903 Allow virtual registers before reload so early scheduling works.
8904 * config/arm/cortex-a57.md (cortex_a57_crypto_simple): Use
8905 correct latency and pipeline.
8906 (cortex_a57_crypto_complex): Likewise.
8907 (cortex_a57_crypto_xor): Likewise.
8908 (define_bypass): Add AES bypass.
8910 2016-02-10 Richard Biener <rguenther@suse.de>
8912 PR tree-optimization/69726
8913 * passes.def: Add DCE pass before late uninit.
8914 * match.pd: Add A ? B : (!A ? C : X) -> A ? B : C patterns to
8915 really fixup if-conversions job.
8917 2016-02-10 Wilco Dijkstra <wdijkstr@arm.com>
8919 * config/arm/arm.c (arm_cortex_a53_tune): Enable AES fusion.
8920 (arm_cortex_a57_tune): Likewise.
8921 (aarch_macro_fusion_pair_p): Add support for AES fusion.
8922 * config/arm/arm-protos.h (fuse_ops): Add FUSE_AES_AESMC.
8924 2016-02-10 Eric Botcazou <ebotcazou@adacore.com>
8926 * timevar.def (TV_PHASE_DBGINFO): Delete.
8927 (TV_PHASE_CHECK_DBGINFO): Likewise.
8928 * varpool.c (varpool_node::assemble_decl): Do not change timevar.
8930 2016-02-10 Richard Biener <rguenther@suse.de>
8932 PR tree-optimization/69719
8933 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
8934 Adjust previous fix by ensuring that dr_a1 is left of dr_a2.
8936 2016-02-09 Andrew Pinski <apinski@cavium.com>
8938 PR tree-opt/69282
8939 * optabs-tree.c (expand_vec_cond_expr_p): Don't early return if
8940 get_vcond_mask_icode returns false.
8942 2016-02-09 Michael Meissner <meissner@linux.vnet.ibm.com>
8944 PR target/68404
8945 * config/rs6000/predicates.md (fusion_gpr_addis): Prevent fusing
8946 an ADDIS that adds a pointer to a large constant that sets the
8947 upper16 bits with a load operation.
8949 2016-02-09 Charles Baylis <charles.baylis@linaro.org>
8951 PR target/68532
8952 * config/arm/arm.c (arm_evpc_neon_vzip): Allow for big endian lane
8953 order.
8954 * config/arm/arm_neon.h (vzipq_s8): Adjust shuffle patterns for big
8955 endian.
8956 (vzipq_s16): Likewise.
8957 (vzipq_s32): Likewise.
8958 (vzipq_f32): Likewise.
8959 (vzipq_u8): Likewise.
8960 (vzipq_u16): Likewise.
8961 (vzipq_u32): Likewise.
8962 (vzipq_p8): Likewise.
8963 (vzipq_p16): Likewise.
8965 2016-02-09 Charles Baylis <charles.baylis@linaro.org>
8967 PR target/68532
8968 * config/arm/arm.c (neon_endian_lane_map): New function.
8969 (neon_vector_pair_endian_lane_map): New function.
8970 (arm_evpc_neon_vuzp): Allow for big endian lane order.
8971 * config/arm/arm_neon.h (vuzpq_s8): Adjust shuffle patterns for big
8972 endian.
8973 (vuzpq_s16): Likewise.
8974 (vuzpq_s32): Likewise.
8975 (vuzpq_f32): Likewise.
8976 (vuzpq_u8): Likewise.
8977 (vuzpq_u16): Likewise.
8978 (vuzpq_u32): Likewise.
8979 (vuzpq_p8): Likewise.
8980 (vuzpq_p16): Likewise.
8982 2016-02-11 Alexandre Oliva <aoliva@redhat.com>
8984 PR target/69634
8985 * regstat.c (regstat_bb_compute_calls_crossed): Disregard
8986 debug insns.
8988 2016-02-09 Uros Bizjak <ubizjak@gmail.com>
8990 * config/i386/i386.md (insv<mode>_1): Use gen_int_mode to
8991 truncate const_int operand 1 to QImode.
8993 2016-02-09 Eric Botcazou <ebotcazou@adacore.com>
8995 * gimple-ssa-backprop.c (optimize_phi): Do not replace an argument
8996 corresponding to an abnormal edge.
8998 2016-02-09 Tom de Vries <tom@codesourcery.com>
9000 PR tree-optimization/69599
9001 * tree-ssa-structalias.c (fndecl_maybe_in_other_partition): New
9002 function.
9003 (find_func_aliases_for_builtin_call, find_func_clobbers)
9004 (ipa_pta_execute): Handle case that foo and foo._0 are not in same lto
9005 partition.
9007 2016-02-09 Richard Biener <rguenther@suse.de>
9009 PR tree-optimization/69715
9010 * tree-ssa.c (execute_update_addresses_taken): Mark non-decl
9011 LHS on calls as non-rewritable.
9013 2016-02-09 Tom de Vries <tom@codesourcery.com>
9015 PR lto/69707
9016 * lto-wrapper.c (append_diag_options): New function.
9017 (compile_offload_image): Call append_diag_options.
9019 2016-02-08 Sandra Loosemore <sandra@codesourcery.com>
9021 PR other/69722
9022 * doc/extend.texi (Flag Output Operands): Correct sectioning.
9023 Minor copy-edit to fix verb tenses.
9025 2016-02-08 Jakub Jelinek <jakub@redhat.com>
9027 PR tree-optimization/69209
9028 * ipa-split.c (split_function): If split part is not
9029 returning retval, retval has gimple type but is not
9030 gimple value, force it into a SSA_NAME first.
9032 2016-02-08 Nicklas Bo Jensen <nbjensen@gmail.com>
9034 * doc/tree-ssa.texi (Preserving the virtual SSA form): Remove
9035 outdated section.
9037 2016-02-08 Jason Merrill <jason@redhat.com>
9039 PR c++/69631
9040 * convert.c (convert_to_integer_1): Check dofold on truncation
9041 distribution.
9042 (convert_to_pointer_maybe_fold, convert_to_real_maybe_fold)
9043 (convert_to_integer_maybe_fold, convert_to_complex_maybe_fold):
9044 Rename from *_nofold.
9045 * convert.h (convert_to_pointer_nofold, convert_to_integer_nofold)
9046 (convert_to_real_nofold, convert_to_complex_nofold): New inlines.
9048 2016-02-08 Bernd Schmidt <bschmidt@redhat.com>
9050 PR target/60410
9051 * tree.c (build_common_tree_nodes): Remove short_double argument.
9052 All callers changed.
9053 * tree.h (build_common_tree_nodes): Adjust declaration.
9054 * doc/invoke.texi (-fshort-double): Remove documentation.
9055 * config/mips/t-img-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
9056 MULTILIB_EXCEPTIONS): Remove -fshort-double variant.
9057 * lto-wrapper.c (merge_and_complain, append_compiler_options)
9058 (append_linker_options): Don't handle OPT_fshort_double.
9060 PR rtl-optimization/68730
9061 * lra-remat.c (insn_to_cand_activation): New static variable.
9062 (lra_remat): Allocate and free it.
9063 (create_cand): New arg activation. Initialize a field in
9064 insn_to_cand_activation if it is nonnull.
9065 (create_cands): Pass the activation insn to create_cand when making
9066 a candidate involving an output reload. Reorganize code a little.
9067 (do_remat): Keep track of active status of candidates in a separate
9068 bitmap.
9070 2016-02-08 Richard Biener <rguenther@suse.de>
9072 PR tree-optimization/69719
9073 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
9074 Properly use absolute of the difference of the two offsets to
9075 compare or adjust the segment length.
9077 2016-02-08 Richard Biener <rguenther@suse.de>
9078 Jeff Law <law@redhat.com>
9080 PR target/68273
9081 * tree-ssanames.c (make_ssa_name_fn): Always use unqualified
9082 types for anonymous SSA names.
9084 2016-02-08 Richard Biener <rguenther@suse.de>
9086 PR rtl-optimization/69274
9087 * ira.c (ira_setup_alts): Do not change recog_data.operand order.
9089 2016-02-08 Jeff Law <law@redhat.com>
9091 PR tree-optimization/65917
9092 * tree-ssa-dom.c (record_temporary_equivalences): Record both
9093 equivalences from if (x == y) style conditionals.
9094 (loop_depth_of_name): Remove.
9095 (record_equality): Remove loop depth check.
9096 * tree-ssa-scopedtables.h (const_and_copies): Refine comments.
9097 (const_and_copies::record_const_or_copy_raw): New member function.
9098 * tree-ssa-scopedtables.c
9099 (const_and_copies::record_const_or_copy_raw): New, factored out of
9100 (const_and_copies::record_const_or_copy): Call new member function.
9102 2016-02-05 Jeff Law <law@redhat.com>
9104 PR tree-optimization/68541
9105 * gimple-ssa-split-paths.c: Include tree-cfg.h and params.h.
9106 (count_stmts_in_block): New function.
9107 (poor_ifcvt_candidate_code): Likewise.
9108 (is_feasible_trace): Add some heuristics to determine when path
9109 splitting is profitable.
9110 (find_block_to_duplicate_for_splitting_paths): Make sure the graph
9111 is a diamond with a single exit.
9113 2016-02-05 Martin Sebor <msebor@redhat.com>
9115 PR c++/69662
9116 * doc/invoke.texi: Update -Wplacement-new to take an optional
9117 argument.
9119 2016-02-06 Richard Henderson <rth@redhat.com>
9121 PR c/69643
9122 * tree.c (tree_nop_conversion_p): Do not strip casts into or
9123 out of non-standard address spaces.
9125 2016-02-05 Jakub Jelinek <jakub@redhat.com>
9127 PR rtl-optimization/69691
9128 * lra-eliminations.c (move_plus_up): Don't add the addend twice.
9130 2016-02-05 Pat Haugen <pthaugen@us.ibm.com>
9132 * config/rs6000/crypto.md (crypto_vpermxor_<mode>): Correct insn type.
9133 * config/rs6000/rs6000.md (mov<mode>_hardfloat): Likewise.
9134 (*ieee128_mfvsrd_64bit): Likewise.
9135 (*ieee128_mfvsrd_32bit): Likewise.
9137 2016-02-05 Ilya Enkovich <enkovich.gnu@gmail.com>
9139 PR target/69369
9140 Revert r232560:
9141 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
9143 * cgraphunit.c (cgraph_node::reset): Clear thunk info and
9144 instrumented_version.
9146 2016-01-05 Jeremy Bennett <jeremy.bennett@embecosm.com>
9148 * doc/invoke.texi (Optimize Options): In table of --param options
9149 rename second occurrence of tracer-min-branch-ratio to
9150 tracer-min-branch-probability, rename
9151 tracer-min-branch-ratio-feedback to
9152 tracer-min-branch-probability-feedback and clarify description,
9153 rename sched-spec-state-edge-prob-cutoff to
9154 sched-state-edge-prob-cutoff, rename selsched-max-insns-to-rename
9155 to selsched-insns-to-rename, rename lto-minpartition to
9156 lto-min-partition, delete reorder-blocks-duplicate and
9157 reorder-blocks-duplicate-feedback.
9159 2016-02-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
9161 * config/s390/s390.c (s390_register_info_set_ranges): Remove
9162 superfluous loops.
9164 2016-02-05 Dominik Vogt <vogt@linux.vnet.ibm.com>
9166 * doc/extend.texi: S/390: Correct some typos.
9168 2016-02-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
9170 * config/s390/s390.c (s390_emit_call): Add missing 64 bit check.
9172 2016-02-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
9174 PR target/69625
9175 * config/s390/s390.c (SAVE_SLOT_NONE, SAVE_SLOT_STACK): New defines.
9176 (s390_register_info_gprtofpr): Use new macros above.
9177 (s390_register_info_stdarg_fpr): Adjust max_fpr to better match
9178 its name.
9179 (s390_register_info_stdarg_gpr): Adjust max_gpr to better match
9180 its name. Adjust restore and save gpr ranges.
9181 (s390_register_info_set_ranges): New function.
9182 (s390_register_info): Use new macros above. Call
9183 s390_register_info_set_ranges.
9184 (s390_optimize_register_info): Likewise.
9185 (s390_hard_regno_rename_ok): Use new macros.
9186 (s390_hard_regno_scratch_ok): Likewise.
9187 (s390_emit_epilogue): Likewise.
9188 (s390_can_use_return_insn): Likewise.
9189 (s390_optimize_prologue): Likewise.
9190 * config/s390/s390.md (GPR2_REGNUM, GPR6_REGNUM): New constants.
9192 2016-02-05 Jakub Jelinek <jakub@redhat.com>
9194 PR bootstrap/69677
9195 * config/i386/i386.c (convert_scalars_to_vector): Readd stack
9196 alignment fixes.
9197 (ix86_option_override_internal): Disable TARGET_STV even for
9198 -m{incoming,preferred}-stack-boundary=3.
9200 2016-02-03 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
9202 * config.gcc: Mark deprecated rtems targets as obsolete.
9204 2016-02-04 Segher Boessenkool <segher@kernel.crashing.org>
9206 PR rtl-optimization/64682
9207 PR rtl-optimization/69567
9208 * combine.c (distribute_notes) <REG_DEAD>: Place the death note
9209 before I2 only if the register is both used and set in I2.
9211 2016-02-04 DJ Delorie <dj@redhat.com>
9213 * config/msp430/msp430.c (msp430_start_function): Add function type.
9215 2016-02-04 Jakub Jelinek <jakub@redhat.com>
9217 PR fortran/69368
9218 * tree-dfa.c (get_ref_base_and_extent): Remove unreachable code.
9220 2016-02-04 Uros Bizjak <ubizjak@gmail.com>
9222 PR rtl-optimization/69577
9223 Revert:
9224 2015-10-29 Richard Henderson <rth@redhat.com>
9226 PR target/68124
9227 PR rtl-opt/67609
9228 * config/i386/i386.c (ix86_cannot_change_mode_class): Tighten
9229 sse check to the exact conditions of PR 67609.
9231 2016-02-04 Michael Meissner <meissner@linux.vnet.ibm.com>
9233 PR target/69667
9234 * config/rs6000/rs6000.md (mov<mode>_64bit_dm): Use 'd' constraint
9235 instead of 'ws', and 'wh' instead of 'wm' since TFmode/IFmode are
9236 not allowed into the traditional Altivec registers.
9237 (movtd_64bit_nodm): Likewise.
9238 (mov<mode>_32bit, FMOVE128_FPR iterator): Likewise.
9240 2016-02-04 David Malcolm <dmalcolm@redhat.com>
9242 * config/aarch64/cortex-a57-fma-steering.c
9243 (aarch64_register_fma_steering): Remove "static" from arguments
9244 to register_pass.
9246 2016-02-04 Wilco Dijkstra <wdijkstr@arm.com>
9248 PR target/69619
9249 * ccmp.c (expand_ccmp_expr_1): Avoid evaluating gs0/gs1
9250 twice when complex.
9252 2016-02-04 Mike Frysinger <vapier@gentoo.org>
9254 * doc/invoke.texi: Delete -mno-fma4.
9256 2016-02-04 Richard Sandiford <richard.sandiford@arm.com>
9258 PR rtl-optimization/69577
9259 * reginfo.c (record_subregs_of_mode): Add a partial_def parameter.
9260 (find_subregs_of_mode): Update accordingly. Iterate over partial
9261 definitions.
9263 2016-02-04 Alan Lawrence <alan.lawrence@arm.com>
9265 * config/arm/arm-protos.h (neon_reinterpret): Remove.
9266 * config/arm/arm.c (neon_reinterpret): Remove.
9267 * config/arm/arm_neon_builtins.def (vreinterpretv8qi, vreinterpretv4hi,
9268 vreinterpretv2si, vreinterpretv2sf, vreinterpretdi, vreinterpretv16qi,
9269 vreinterpretv8hi, vreinterpretv4si, vreinterpretv4sf, vreinterpretv2di,
9270 vreinterpretti): Remove.
9271 * config/arm/neon.md (neon_vreinterpretv8qi<mode>,
9272 neon_vreinterpretv4hi<mode>, neon_vreinterpretv2si<mode>,
9273 neon_vreinterpretv2sf<mode>, neon_vreinterpretdi<mode>,
9274 neon_vreinterpretti<mode>, neon_vreinterpretv16qi<mode>,
9275 neon_vreinterpretv8hi<mode>, neon_vreinterpretv4si<mode>,
9276 neon_vreinterpretv4sf<mode>, neon_vreinterpretv2di<mode>): Remove.
9277 * config/arm/arm_neon.h (vreinterpret_p8_p16, vreinterpret_p8_f32,
9278 vreinterpret_p8_p64, vreinterpret_p8_s64, vreinterpret_p8_u64,
9279 vreinterpret_p8_s8, vreinterpret_p8_s16, vreinterpret_p8_s32,
9280 vreinterpret_p8_u8, vreinterpret_p8_u16, vreinterpret_p8_u32,
9281 vreinterpret_p16_p8, vreinterpret_p16_f32, vreinterpret_p16_p64,
9282 vreinterpret_p16_s64, vreinterpret_p16_u64, vreinterpret_p16_s8,
9283 vreinterpret_p16_s16, vreinterpret_p16_s32, vreinterpret_p16_u8,
9284 vreinterpret_p16_u16, vreinterpret_p16_u32, vreinterpret_f32_p8,
9285 vreinterpret_f32_p16, vreinterpret_f32_p64, vreinterpret_f32_s64,
9286 vreinterpret_f32_u64, vreinterpret_f32_s8, vreinterpret_f32_s16,
9287 vreinterpret_f32_s32, vreinterpret_f32_u8, vreinterpret_f32_u16,
9288 vreinterpret_f32_u32, vreinterpret_p64_p8, vreinterpret_p64_p16,
9289 vreinterpret_p64_f32, vreinterpret_p64_s64, vreinterpret_p64_u64,
9290 vreinterpret_p64_s8, vreinterpret_p64_s16, vreinterpret_p64_s32,
9291 vreinterpret_p64_u8, vreinterpret_p64_u16, vreinterpret_p64_u32,
9292 vreinterpret_s64_p8, vreinterpret_s64_p16, vreinterpret_s64_f32,
9293 vreinterpret_s64_p64, vreinterpret_s64_u64, vreinterpret_s64_s8,
9294 vreinterpret_s64_s16, vreinterpret_s64_s32, vreinterpret_s64_u8,
9295 vreinterpret_s64_u16, vreinterpret_s64_u32, vreinterpret_u64_p8,
9296 vreinterpret_u64_p16, vreinterpret_u64_f32, vreinterpret_u64_p64,
9297 vreinterpret_u64_s64, vreinterpret_u64_s8, vreinterpret_u64_s16,
9298 vreinterpret_u64_s32, vreinterpret_u64_u8, vreinterpret_u64_u16,
9299 vreinterpret_u64_u32, vreinterpret_s8_p8, vreinterpret_s8_p16,
9300 vreinterpret_s8_f32, vreinterpret_s8_p64, vreinterpret_s8_s64,
9301 vreinterpret_s8_u64, vreinterpret_s8_s16, vreinterpret_s8_s32,
9302 vreinterpret_s8_u8, vreinterpret_s8_u16, vreinterpret_s8_u32,
9303 vreinterpret_s16_p8, vreinterpret_s16_p16, vreinterpret_s16_f32,
9304 vreinterpret_s16_p64, vreinterpret_s16_s64, vreinterpret_s16_u64,
9305 vreinterpret_s16_s8, vreinterpret_s16_s32, vreinterpret_s16_u8,
9306 vreinterpret_s16_u16, vreinterpret_s16_u32, vreinterpret_s32_p8,
9307 vreinterpret_s32_p16, vreinterpret_s32_f32, vreinterpret_s32_p64,
9308 vreinterpret_s32_s64, vreinterpret_s32_u64, vreinterpret_s32_s8,
9309 vreinterpret_s32_s16, vreinterpret_s32_u8, vreinterpret_s32_u16,
9310 vreinterpret_s32_u32, vreinterpret_u8_p8, vreinterpret_u8_p16,
9311 vreinterpret_u8_f32, vreinterpret_u8_p64, vreinterpret_u8_s64,
9312 vreinterpret_u8_u64, vreinterpret_u8_s8, vreinterpret_u8_s16,
9313 vreinterpret_u8_s32, vreinterpret_u8_u16, vreinterpret_u8_u32,
9314 vreinterpret_u16_p8, vreinterpret_u16_p16, vreinterpret_u16_f32,
9315 vreinterpret_u16_p64, vreinterpret_u16_s64, vreinterpret_u16_u64,
9316 vreinterpret_u16_s8, vreinterpret_u16_s16, vreinterpret_u16_s32,
9317 vreinterpret_u16_u8, vreinterpret_u16_u32, vreinterpret_u32_p8,
9318 vreinterpret_u32_p16, vreinterpret_u32_f32, vreinterpret_u32_p64,
9319 vreinterpret_u32_s64, vreinterpret_u32_u64, vreinterpret_u32_s8,
9320 vreinterpret_u32_s16, vreinterpret_u32_s32, vreinterpret_u32_u8,
9321 vreinterpret_u32_u16, vreinterpretq_p8_p16, vreinterpretq_p8_f32,
9322 vreinterpretq_p8_p64, vreinterpretq_p8_p128, vreinterpretq_p8_s64,
9323 vreinterpretq_p8_u64, vreinterpretq_p8_s8, vreinterpretq_p8_s16,
9324 vreinterpretq_p8_s32, vreinterpretq_p8_u8, vreinterpretq_p8_u16,
9325 vreinterpretq_p8_u32, vreinterpretq_p16_p8, vreinterpretq_p16_f32,
9326 vreinterpretq_p16_p64, vreinterpretq_p16_p128, vreinterpretq_p16_s64,
9327 vreinterpretq_p16_u64, vreinterpretq_p16_s8, vreinterpretq_p16_s16,
9328 vreinterpretq_p16_s32, vreinterpretq_p16_u8, vreinterpretq_p16_u16,
9329 vreinterpretq_p16_u32, vreinterpretq_f32_p8, vreinterpretq_f32_p16,
9330 vreinterpretq_f32_p64, vreinterpretq_f32_p128, vreinterpretq_f32_s64,
9331 vreinterpretq_f32_u64, vreinterpretq_f32_s8, vreinterpretq_f32_s16,
9332 vreinterpretq_f32_s32, vreinterpretq_f32_u8, vreinterpretq_f32_u16,
9333 vreinterpretq_f32_u32, vreinterpretq_p64_p8, vreinterpretq_p64_p16,
9334 vreinterpretq_p64_f32, vreinterpretq_p64_p128, vreinterpretq_p64_s64,
9335 vreinterpretq_p64_u64, vreinterpretq_p64_s8, vreinterpretq_p64_s16,
9336 vreinterpretq_p64_s32, vreinterpretq_p64_u8, vreinterpretq_p64_u16,
9337 vreinterpretq_p64_u32, vreinterpretq_p128_p8, vreinterpretq_p128_p16,
9338 vreinterpretq_p128_f32, vreinterpretq_p128_p64, vreinterpretq_p128_s64,
9339 vreinterpretq_p128_u64, vreinterpretq_p128_s8, vreinterpretq_p128_s16,
9340 vreinterpretq_p128_s32, vreinterpretq_p128_u8, vreinterpretq_p128_u16,
9341 vreinterpretq_p128_u32, vreinterpretq_s64_p8, vreinterpretq_s64_p16,
9342 vreinterpretq_s64_f32, vreinterpretq_s64_p64, vreinterpretq_s64_p128,
9343 vreinterpretq_s64_u64, vreinterpretq_s64_s8, vreinterpretq_s64_s16,
9344 vreinterpretq_s64_s32, vreinterpretq_s64_u8, vreinterpretq_s64_u16,
9345 vreinterpretq_s64_u32, vreinterpretq_u64_p8, vreinterpretq_u64_p16,
9346 vreinterpretq_u64_f32, vreinterpretq_u64_p64, vreinterpretq_u64_p128,
9347 vreinterpretq_u64_s64, vreinterpretq_u64_s8, vreinterpretq_u64_s16,
9348 vreinterpretq_u64_s32, vreinterpretq_u64_u8, vreinterpretq_u64_u16,
9349 vreinterpretq_u64_u32, vreinterpretq_s8_p8, vreinterpretq_s8_p16,
9350 vreinterpretq_s8_f32, vreinterpretq_s8_p64, vreinterpretq_s8_p128,
9351 vreinterpretq_s8_s64, vreinterpretq_s8_u64, vreinterpretq_s8_s16,
9352 vreinterpretq_s8_s32, vreinterpretq_s8_u8, vreinterpretq_s8_u16,
9353 vreinterpretq_s8_u32, vreinterpretq_s16_p8, vreinterpretq_s16_p16,
9354 vreinterpretq_s16_f32, vreinterpretq_s16_p64, vreinterpretq_s16_p128,
9355 vreinterpretq_s16_s64, vreinterpretq_s16_u64, vreinterpretq_s16_s8,
9356 vreinterpretq_s16_s32, vreinterpretq_s16_u8, vreinterpretq_s16_u16,
9357 vreinterpretq_s16_u32, vreinterpretq_s32_p8, vreinterpretq_s32_p16,
9358 vreinterpretq_s32_f16, vreinterpretq_s32_f32, vreinterpretq_s32_p64,
9359 vreinterpretq_s32_p128, vreinterpretq_s32_s64, vreinterpretq_s32_u64,
9360 vreinterpretq_s32_s8, vreinterpretq_s32_s16, vreinterpretq_s32_u8,
9361 vreinterpretq_s32_u16, vreinterpretq_s32_u32, vreinterpretq_u8_p8,
9362 vreinterpretq_u8_p16, vreinterpretq_u8_f32, vreinterpretq_u8_p64,
9363 vreinterpretq_u8_p128, vreinterpretq_u8_s64, vreinterpretq_u8_u64,
9364 vreinterpretq_u8_s8, vreinterpretq_u8_s16, vreinterpretq_u8_s32,
9365 vreinterpretq_u8_u16, vreinterpretq_u8_u32, vreinterpretq_u16_p8,
9366 vreinterpretq_u16_p16, vreinterpretq_u16_f32, vreinterpretq_u16_p64,
9367 vreinterpretq_u16_p128, vreinterpretq_u16_s64, vreinterpretq_u16_u64,
9368 vreinterpretq_u16_s8, vreinterpretq_u16_s16, vreinterpretq_u16_s32,
9369 vreinterpretq_u16_u8, vreinterpretq_u16_u32, vreinterpretq_u32_p8,
9370 vreinterpretq_u32_p16, vreinterpretq_u32_f32, vreinterpretq_u32_p64,
9371 vreinterpretq_u32_p128, vreinterpretq_u32_s64, vreinterpretq_u32_u64,
9372 vreinterpretq_u32_s8, vreinterpretq_u32_s16, vreinterpretq_u32_s32,
9373 vreinterpretq_u32_u8, vreinterpretq_u32_u16): Rewrite using casts.
9375 2016-02-04 Martin Liska <mliska@suse.cz>
9377 PR sanitizer/69276
9378 * asan.c (has_stmt_been_instrumented_p): Instrument gimple calls
9379 that are gimple_store_p.
9380 (maybe_instrument_call): Likewise.
9382 2016-02-04 Bin Cheng <bin.cheng@arm.com>
9384 * config/aarch64/aarch64.c (aarch64_legitimize_address): Force
9385 register scaling out of memory reference and comment why.
9387 2016-02-04 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
9389 PR target/65932
9390 PR target/67714
9391 * cse.c (cse_insn): Pass NULL to fold_rtx when initially
9392 folding the source of a SET.
9394 2016-02-04 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
9396 PR target/65932
9397 PR target/67714
9398 * config/arm/arm.c (arm_new_rtx_costs, MULT case): Properly extract
9399 the operands of the SIGN_EXTENDs from a SMUL[TB][TB] rtx.
9401 2016-02-04 Jim Wilson <jim.wilson@linaro.org>
9403 PR target/65932
9404 PR target/67714
9405 * config/arm/arm.h (PROMOTE_MODE): Don't set UNSIGNEDP for QImode and
9406 HImode.
9408 2016-02-04 Christian Bruel <christian.bruel@st.com>
9410 * config/arm/arm-c.c (arm_reset_previous_fndecl): Style fix and typo.
9411 * config/arm/arm.c (arm_set_current_function): Likewise.
9413 2016-02-04 Jakub Jelinek <jakub@redhat.com>
9414 Ilya Enkovich <enkovich.gnu@gmail.com>
9415 H.J. Lu <hongjiu.lu@intel.com>
9417 PR target/69454
9418 * config/i386/i386.c (convert_scalars_to_vector): Remove
9419 stack alignment fixes.
9420 (ix86_option_override_internal): Disable TARGET_STV if stack
9421 might not be aligned enough.
9422 (ix86_minimum_alignment): Assert that TARGET_STV is false.
9424 2016-02-04 Victoria Stepanyan <victoria.stepanyan@amd.com>
9426 * gcc/config/i386/x86-tune.def: Disable default prefetching
9427 for -march=znver1.
9429 2016-02-03 Michael Meissner <meissner@linux.vnet.ibm.com>
9430 Vladimir Makarov <vmakarov@redhat.com>
9432 PR target/69461
9433 * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Fix thinko
9434 in validating fused toc addresses.
9436 2016-02-03 Jakub Jelinek <jakub@redhat.com>
9438 PR c/69627
9439 * diagnostic-show-locus.c (layout::get_state_at_point): Don't read
9440 range->m_caret fields if range->m_show_caret_p is false.
9442 PR target/69644
9443 * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
9444 Force oldval into register if it does not satisfy reg_or_short_operand
9445 predicate. Fix up formatting.
9447 2016-02-03 Vladimir Makarov <vmakarov@redhat.com>
9448 Alexandre Oliva <aoliva@redhat.com>
9450 PR target/69461
9451 * lra-constraints.c (simplify_operand_subreg): Check additionally
9452 address validity after potential reloading.
9453 (process_address_1): Check insns validity. In case of failure do
9454 nothing.
9456 2016-02-03 Kirill Yukhin <kirill.yukhin@intel.com>
9458 PR target/69118
9459 * config/i386/sse.md (define_insn "avx512f_maskcmp<mode>3"):
9460 Fix target.
9462 2016-02-02 Jakub Jelinek <jakub@redhat.com>
9464 * wide-int.cc (canonize_uhwi): New function.
9465 (wi::divmod_internal): Use it.
9467 2016-02-02 James Norris <jnorris@codesourcery.com
9469 * gimplify.c (omp_notice_variable): Add usage check.
9471 2016-02-02 Alexander Monakov <amonakov@ispras.ru>
9473 * config/nvptx/nvptx.c (nvptx_print_operand): Treat LEU, GEU, LTU, GTU
9474 like LE, GE, LT, GT when emitting relational operator.
9476 2016-02-02 Wilco Dijkstra <wdijkstr@arm.com>
9478 * ira-costs.c (find_costs_and_classes): Add extra argument.
9479 * target.def (ira_change_pseudo_allocno_class): Add parameter.
9480 * targhooks.h (ira_change_pseudo_allocno_class): Likewise.
9481 * targhooks.c (ira_change_pseudo_allocno_class): Likewise.
9482 * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class)
9483 Add best_class parameter, and return it if not ALL_REGS.
9484 * config/mips/mips.c (mips_ira_change_pseudo_allocno_class):
9485 Add parameter.
9486 * doc/tm.texi (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS):
9487 Update target hook.
9489 2016-02-02 Wilco Dijkstra <wdijkstr@arm.com>
9491 * config/aarch64/aarch64.c
9492 (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): New define.
9493 (aarch64_ira_change_pseudo_allocno_class): New function.
9495 2016-02-02 Uros Bizjak <ubizjak@gmail.com>
9497 PR target/67032
9498 * config/i386/i386.c (geode_cost): Increase cost of MMX and SSE moves.
9500 2016-02-02 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
9502 * config/avr/avr.c (avr_option_override): Set
9503 PARAM_ALLOW_STORE_DATA_RACES to 1.
9505 2016-02-02 Richard Biener <rguenther@suse.de>
9507 PR tree-optimization/69595
9508 * match.pd: Add range test simplifications to true/false.
9510 2016-02-02 Thomas Schwinge <thomas@codesourcery.com>
9512 * omp-builtins.def (BUILT_IN_GOACC_HOST_DATA): Remove.
9513 * omp-low.c (expand_omp_target): Use BUILT_IN_GOACC_DATA_START
9514 instead.
9516 2016-02-02 Richard Biener <rguenther@suse.de>
9518 PR tree-optimization/69606
9519 * tree-ssa-math-opts.c (bswap_replace): Clear flow sensitive
9520 info on the result before moving a stmt.
9522 2016-02-02 Yuri Rumyantsev <ysrumyan@gmail.com>
9524 PR middle-end/68542
9525 * config/i386/i386.c (ix86_expand_branch): Add support for conditional
9526 branch with vector comparison.
9527 * config/i386/sse.md (VI48_AVX): New mode iterator.
9528 (define_expand "cbranch<mode>4): Add support for conditional branch
9529 with vector comparison.
9530 * tree-vect-loop.c (optimize_mask_stores): New function.
9531 * tree-vect-stmts.c (vectorizable_mask_load_store): Initialize
9532 has_mask_store field of vect_info.
9533 * tree-vectorizer.c (vectorize_loops): Invoke optimaze_mask_stores for
9534 vectorized loops having masked stores after vec_info destroy.
9535 * tree-vectorizer.h (loop_vec_info): Add new has_mask_store field and
9536 correspondent macros.
9537 (optimize_mask_stores): Add prototype.
9539 2016-02-02 Alan Modra <amodra@gmail.com>
9541 PR target/69548
9542 * config/rs6000/predicates.md (quad_int_reg_operand): Don't
9543 allow subregs.
9545 2016-02-02 Alan Modra <amodra@gmail.com>
9547 PR target/68662
9548 * config/rs6000/rs6000.c (need_toc_init): New var, set it
9549 whenever toc_label_name used.
9550 (rs6000_file_start): Don't set up toc section here,
9551 (rs6000_output_function_epilogue): do so here instead,
9552 (rs6000_xcoff_file_start): and here.
9553 * config/rs6000/rs6000.md (load_toc_aix_si): Set need_toc_init.
9554 (load_toc_aix_di): Likewise.
9556 2016-02-01 Jakub Jelinek <jakub@redhat.com>
9558 PR rtl-optimization/69592
9559 * rtlanal.c (nonzero_bits_binary_arith_p): New inline function.
9560 (cached_nonzero_bits): Use it instead of ARITHMETIC_P.
9561 (num_sign_bit_copies_binary_arith_p): New inline function.
9562 (cached_num_sign_bit_copies): Use it instead of ARITHMETIC_P.
9564 2016-02-01 Jeff Law <law@redhat.com>
9566 PR tree-optimization/69580
9567 * params.def (FSM_MAXIMUM_PHI_ARGUMENTS): New param.
9568 * tree-ssa-threadbackward.c
9569 (fsm_find_control_statement_thread_paths): Do not try to walk
9570 through large PHI nodes.
9572 2016-02-01 Jakub Jelinek <jakub@redhat.com>
9574 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return false
9575 when count is incremented above limit, don't analyze further
9576 insns afterwards.
9578 * omp-low.c (oacc_parse_default_dims): Avoid
9579 -Wsign-compare warning, make sure value fits into int
9580 rather than just unsigned int.
9582 2016-02-01 Bin Cheng <bin.cheng@arm.com>
9584 PR tree-optimization/67921
9585 * fold-const.c (split_tree): New parameters. Convert pointer
9586 type variable part to proper type before negating.
9587 (fold_binary_loc): Pass new arguments to split_tree.
9589 2016-02-01 Nathan Sidwell <nathan@codesourcery.com>
9591 * config/nvptx/nvptx.c (PTX_GANG_DEFAULT): New.
9592 (nvptx_goacc_validate_dims): Extend to handle global defaults.
9593 * target.def (OACC_VALIDATE_DIMS): Extend documentation.
9594 * doc/tm.texti: Rebuilt.
9595 * doc/invoke.texi (fopenacc-dim): Document.
9596 * lto-wrapper.c (merge_and_complain): Add OPT_fopenacc_dim_ case.
9597 (append_compiler_options): Likewise.
9598 * omp-low.c (oacc_default_dims, oacc_min_dims): New.
9599 (oacc_parse_default_dims): New.
9600 (oacc_validate_dims): Add USED arg. Select non-unity default when
9601 possible.
9602 (oacc_loop_fixed_partitions): Return mask of used partitions.
9603 (oacc_loop_auto_partitions): Emit dump info.
9604 (oacc_loop_partition): Return mask of used partitions.
9605 (execute_oacc_device_lower): Parse default dimension arg. Adjust
9606 loop partitioning and validation calls.
9608 2016-02-01 Richard Biener <rguenther@suse.de>
9610 PR middle-end/69556
9611 * match.pd: Guard (C1/X)*C2 -> (C1*C2)/X with single_use.
9613 2016-02-01 Richard Biener <rguenther@suse.de>
9615 PR tree-optimization/69574
9616 * tree-chrec.c (hide_evolution_in_other_loops_than_loop): Instead
9617 of asserting return chrec_dont_know.
9619 2016-02-01 Martin Liska <mliska@suse.cz>
9621 * mem-stats-traits.h: Add copyright header.
9622 * mem-stats.h: Likewise.
9624 2016-02-01 Richard Biener <rguenther@suse.de>
9626 PR tree-optimization/69579
9627 * tree-ssa-loop-ivcanon.c (propagate_constants_for_unrolling):
9628 Do not propagate through abnormal PHI results.
9630 2016-02-01 Eric Botcazou <ebotcazou@adacore.com>
9632 * postreload.c (reload_cse_simplify): Remove dead code.
9634 2016-02-01 Jakub Jelinek <jakub@redhat.com>
9636 PR rtl-optimization/69570
9637 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return true only
9638 if there is more than one set, not if there is a single set.
9640 2016-02-01 Richard Henderson <rth@redhat.com>
9642 PR rtl-opt/69535
9643 * combine.c (make_compound_operation): When looking through a
9644 subreg, make sure to re-extend to the width of the outer mode.
9646 2016-01-30 Jakub Jelinek <jakub@redhat.com>
9648 PR tree-optimization/69546
9649 * wide-int.cc (wi::divmod_internal): For unsigned division
9650 where both operands fit into uhwi, if o1 is 1 and o0 has
9651 msb set, if divident_prec is larger than bits per hwi,
9652 clear another quotient word and return 2 instead of 1.
9653 Similarly for remainder with msb in HWI set, if dividend_prec
9654 is larger than bits per hwi.
9656 2016-01-29 Martin Jambor <mjambor@suse.cz>
9658 * hsa-gen.c (get_memory_order_name): Mask with MEMMODEL_BASE_MASK.
9659 Use short lowercase names.
9660 (get_memory_order): Mask with MEMMODEL_BASE_MASK. Support
9661 MEMMODEL_CONSUME with acquire semantics and MEMMODEL_SEQ_CST with
9662 acq_rel one. Protect warning agains segfaults if
9663 get_memory_order_name returns NULL.
9664 (gen_hsa_ternary_atomic_for_builtin): Support with MEMMODEL_SEQ_CST
9665 with release semantics. Do not warn if get_memory_order already did.
9666 (gen_hsa_insns_for_call): Support with MEMMODEL_SEQ_CST with acquire
9667 semantics. Fix check for relaxed or acquire semantics. Do not warn
9668 if get_memory_order already did.
9670 2016-01-29 Sebastian Pop <s.pop@samsung.com>
9672 * doc/install.texi: Document that isl-0.16 is supported.
9674 2016-01-29 Vladimir Makarov <vmakarov@redhat.com>
9676 PR target/69299
9677 * config/i386/constraints.md (Bm): Describe as special memory
9678 constraint.
9679 * doc/md.texi (DEFINE_SPECIAL_MEMORY_CONSTRAINT): Describe it.
9680 * genoutput.c (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
9681 * genpreds.c (struct constraint_data): Add is_special_memory.
9682 (have_special_memory_constraints, special_memory_start): New
9683 static vars.
9684 (special_memory_end): Ditto.
9685 (add_constraint): Add new arg is_special_memory. Add code to
9686 process its true value. Update have_special_memory_constraints.
9687 (process_define_constraint): Pass the new arg.
9688 (process_define_register_constraint): Ditto.
9689 (choose_enum_order): Process special memory.
9690 (write_tm_preds_h): Generate enum const CT_SPECIAL_MEMORY and
9691 function insn_extra_special_memory_constraint.
9692 (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
9693 * gensupport.c (process_rtx): Process
9694 DEFINE_SPECIAL_MEMORY_CONSTRAINT.
9695 * ira-costs.c (record_reg_classes): Process CT_SPECIAL_MEMORY.
9696 * ira-lives.c (single_reg_class): Use
9697 insn_extra_special_memory_constraint.
9698 * ira.c (ira_setup_alts): Process CT_SPECIAL_MEMORY.
9699 * lra-constraints.c (process_alt_operands): Ditto.
9700 (curr_insn_transform): Use insn_extra_special_memory_constraint.
9701 * recog.c (asm_operand_ok, preprocess_constraints): Process
9702 CT_SPECIAL_MEMORY.
9703 * reload.c (find_reloads): Ditto.
9704 * rtl.def (DEFINE_SPECIFAL_MEMORY_CONSTRAINT): New.
9705 * stmt.c (parse_input_constraint): Use
9706 insn_extra_special_memory_constraint.
9708 2016-01-29 H.J. Lu <hongjiu.lu@intel.com>
9710 PR target/69530
9711 * lra-splill.c (lra_final_code_change): Revert r229087 by
9712 removing all sub-registers.
9714 2016-01-29 Steve Ellcey <sellcey@imgtec.com>
9716 PR target/65604
9717 * config/mips/mips.c (mips_output_division): Check flag_delayed_branch.
9719 2016-01-29 Jakub Jelinek <jakub@redhat.com>
9721 PR target/69551
9722 * config/i386/i386.c (ix86_expand_vector_set) <case V4SImode>: For
9723 SSE1, copy target into the temporary reg first before recursing
9724 on it.
9726 2016-01-29 H.J. Lu <hongjiu.lu@intel.com>
9728 * config/i386/sse.md (sse2_cvtps2pd<mask_name>): Replace vBm
9729 with vm.
9731 2016-01-29 Jonathan Wakely <jwakely@redhat.com>
9733 * ginclude/stdarg.h: Test __cplusplus instead of
9734 __GXX_EXPERIMENTAL_CXX0X__.
9736 2016-01-29 Richard Biener <rguenther@suse.de>
9738 PR tree-optimization/69547
9739 * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
9740 Do not mark clobbers necessary.
9741 (mark_all_reaching_defs_necessary_1): Likewise.
9743 2016-01-29 Dominik Vogt <vogt@linux.vnet.ibm.com>
9745 * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Format
9746 declaration name with %qs and print it in both error messages.
9747 Also fix indentation.
9749 2016-01-29 Dominik Vogt <vogt@linux.vnet.ibm.com>
9751 PR other/69006
9752 * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Remove
9753 trailing blank line from error message.
9755 2016-01-29 Jonathan Wakely <jwakely@redhat.com>
9757 PR c++/69462
9758 * ginclude/float.h: Also provide FLT_EVAL_METHOD and DECIMAL_DIG
9759 for C++-11.
9761 2016-01-29 Richard Biener <rguenther@suse.de>
9763 PR middle-end/69537
9764 * match.pd: Allow all integral types when simplifying a
9765 widening or sign-changing conversion.
9767 2016-01-28 Sebastian Pop <s.pop@samsung.com>
9769 * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Revert assert
9770 back to setting codegen_error to fail codegen.
9772 2016-01-28 Uros Bizjak <ubizjak@gmail.com>
9774 PR target/69459
9775 * config/i386/constraints.md (C): Only accept constant zero operand.
9776 (BC): New constraint.
9777 * config/i386/sse.md (*mov<mode>_internal): Use BC constraint
9778 instead of C constraint.
9779 * doc/md.texi (Machine Constraints): Update description
9780 of C constraint.
9782 2016-01-28 Steve Ellcey <sellcey@imgtec.com>
9784 PR target/68400
9785 * config/mips/mips.c (and_operands_ok): Add MIPS16 check.
9787 2016-01-28 Jakub Jelinek <jakub@redhat.com>
9789 PR middle-end/69542
9790 * lra-remat.c (calculate_local_reg_remat_bb_data): Only consider
9791 non-debug insns.
9793 2016-01-28 Pat Haugen <pthaugen@us.ibm.com>
9795 * config/rs6000/rs6000.c (output_cbranch): Don't statically predict
9796 branches if using guessed profile.
9798 2016-01-28 H.J. Lu <hongjiu.lu@intel.com>
9800 * graphite-optimize-isl.c (optimize_isl): Fix dump.
9802 2016-01-28 Richard Henderson <rth@redhat.com>
9804 PR target/69305
9805 * config/aarch64/aarch64-modes.def (CC_Cmode): New
9806 * config/aarch64/aarch64-protos.h: Update.
9807 * config/aarch64/aarch64.c (aarch64_zero_extend_const_eq): New.
9808 (aarch64_select_cc_mode): Add check for use of CC_Cmode.
9809 (aarch64_get_condition_code_1): Handle CC_Cmode.
9810 * config/aarch64/aarch64.md (addti3): Use adddi3_compareC.
9811 (*add<mode>3_compareC_cconly_imm): New.
9812 (*add<mode>3_compareC_cconly): New.
9813 (*add<mode>3_compareC_imm): New.
9814 (add<mode>3_compareC): New.
9815 (add<mode>3_carryin, *addsi3_carryin_uxtw): Sort compare operand
9816 to be first. Use aarch64_carry_operation.
9817 (*add<mode>3_carryin_alt1, *addsi3_carryin_alt1_uxtw): Remove.
9818 (*add<mode>3_carryin_alt2, *addsi3_carryin_alt2_uxtw): Remove.
9819 (*add<mode>3_carryin_alt3, *addsi3_carryin_alt3_uxtw): Remove.
9820 (subti3): Use subdi3_compare1.
9821 (*sub<mode>3_compare0): Rename from sub<mode>3_compare0.
9822 (sub<mode>3_compare1): New.
9823 (*sub<mode>3_carryin0, *subsi3_carryin_uxtw): New.
9824 (*sub<mode>3_carryin): Use aarch64_borrow_operation.
9825 (*subsi3_carryin_uxtw): Likewise.
9826 (*ngc<mode>, *ngcsi_uxtw): Likewise.
9827 (*sub<mode>3_carryin_alt, *subsi3_carryin_alt_uxtw): New.
9828 * config/aarch64/iterators.md (DWI): New.
9829 * config/aarch64/predicates.md (aarch64_carry_operation): New.
9830 (aarch64_borrow_operation): New.
9832 2016-01-28 Abderrazek Zaafrani <a.zaafrani@samsung.com>
9834 * graphite-optimize-isl.c (optimize_isl): Print a different debug
9835 message when isl does not return a valid schedule.
9837 2016-01-28 Sebastian Pop <s.pop@samsung.com>
9839 * graphite-isl-ast-to-gimple.c (class translate_isl_ast_to_gimple):
9840 Remove comments from class declarations: they are already in the code
9841 close by the defs.
9843 2016-01-28 Sebastian Pop <s.pop@samsung.com>
9845 * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Call
9846 codegen_error_p.
9847 (ternary_op_to_tree): Same.
9848 (unary_op_to_tree): Same.
9849 (nary_op_to_tree): Same.
9850 (gcc_expression_from_isl_expr_op): Same.
9851 (gcc_expression_from_isl_expression): Same.
9852 (graphite_create_new_loop): Same.
9853 (graphite_create_new_loop_guard): Same.
9854 (build_iv_mapping): Same.
9855 (graphite_create_new_guard): Same.
9856 (translate_isl_ast_to_gimple::copy_loop_phi_nodes): Same.
9857 (translate_isl_ast_to_gimple::translate_pending_phi_nodes): Same.
9859 2016-01-28 Sebastian Pop <s.pop@samsung.com>
9861 * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Assert
9862 instead of setting codegen_error to fail codegen.
9864 2016-01-28 Jason Merrill <jason@redhat.com>
9866 * tree.h (BINFO_FLAG_0): Rename from BINFO_MARKED.
9868 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
9870 * config/aarch64/aarch64.c (aarch64_if_then_else_costs):
9871 Remove CONST_INT_P check in CCMP cost calculation.
9873 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
9875 * config/aarch64/aarch64.c (generic_vector_cost):
9876 Set vec_permute_cost.
9877 (cortexa57_vector_cost): Likewise.
9878 (exynosm1_vector_cost): Likewise.
9879 (xgene1_vector_cost): Likewise.
9880 (aarch64_builtin_vectorization_cost): Use vec_permute_cost.
9881 * config/aarch64/aarch64-protos.h (cpu_vector_cost):
9882 Add vec_permute_cost entry.
9884 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
9886 * config/aarch64/aarch64.md (ccmp<mode>): Disassemble
9887 immediate as %1.
9888 (add<mode>3_compare0): Likewise.
9889 (addsi3_compare0_uxtw): Likewise.
9890 (add<mode>3nr_compare0): Likewise.
9891 (compare_neg<mode>): Likewise.
9892 (<optab><mode>3): Likewise.
9894 2016-01-28 Ilya Enkovich <enkovich.gnu@gmail.com>
9896 * tree-vect-stmts.c (vectorizable_comparison): Add
9897 NULL check for vectype.
9899 2016-01-28 Richard Biener <rguenther@suse.de>
9901 PR tree-optimization/69466
9902 * tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
9903 Account for PHIs we couldn't duplicate.
9905 2016-01-28 Martin Liska <mliska@suse.cz>
9907 PR pch/68758
9908 * ggc-common.c (gt_pch_save): Use ENABLE_VALGRIND_ANNOTATIONS macro
9909 instead of ENABLE_VALGRIND_CHECKING.
9911 2016-01-27 Richard Henderson <rth@redhat.com>
9913 PR rtl-opt/69447
9914 * lra-remat.c (subreg_regs): New.
9915 (dump_candidates_and_remat_bb_data): Dump it.
9916 (operand_to_remat): Reject if operand in subreg_regs.
9917 (set_bb_regs): Collect subreg_regs.
9918 (lra_remat): Init and free subreg_regs. Compute
9919 calculate_local_reg_remat_bb_data before create_cands.
9921 2016-01-27 H.J. Lu <hongjiu.lu@intel.com>
9923 PR target/68986
9924 * config/i386/i386.c (ix86_update_stack_boundary): Don't
9925 change stack_alignment_needed for __tls_get_addr call.
9927 2016-01-27 Segher Boessenkool <segher@kernel.crashing.org>
9929 * config/rs6000/rs6000.c (print_operand): Rollback 's' removal.
9931 2016-01-27 Jeff Law <law@redhat.com>
9933 PR tree-optimization/68398
9934 PR tree-optimization/69196
9935 * params.def (PARAM_FSM_SCALE_PATH_STMTS): New parameter.
9936 (PARAM_FSM_SCALE_PATH_BLOCKS): Likewise.
9937 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
9938 Only count PHIs in the last block in the path. The others will
9939 const/copy propagate away. Add heuristic to allow more irreducible
9940 subloops to be created when it is likely profitable to do so.
9942 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
9943 Fix typo in comment. Use gsi_after_labels and remove the GIMPLE_LABEL
9944 check from within the loop. Use gsi_next_nondebug rather than gsi_next.
9946 2016-01-27 Jakub Jelinek <jakub@redhat.com>
9948 PR lto/69254
9949 * sanitizer.def: Add BEGIN_SANITIZER_BUILTINS and
9950 END_SANITIZER_BUILTINS markers using DEF_BUILTIN_STUB.
9951 * asan.c (DEF_BUILTIN_STUB): Temporarily define.
9952 * tree-streamer-in.c: Include asan.h.
9953 (streamer_get_builtin_tree): For builtins in sanitizer
9954 range call initialize_sanitizer_builtins and retry.
9956 2016-01-27 Ian Lance Taylor <iant@google.com>
9958 * common.opt (fkeep-gc-roots-live): New undocumented option.
9959 * tree-ssa-loop-ivopts.c (add_candidate_1): If
9960 -fkeep-gc-roots-live, skip pointers.
9961 (add_iv_candidate_for_biv): Handle add_candidate_1 returning
9962 NULL.
9964 2016-01-27 Uros Bizjak <ubizjak@gmail.com>
9966 PR target/69512
9967 * config/i386/i386.md (*zext<mode>_doubleword_and): New pattern.
9968 (*zext<mode>_doubleword): Disable for TARGET_ZERO_EXTEND_WITH_AND.
9970 2016-01-27 Thomas Klausner <wiz@NetBSD.org>
9972 PR target/68380
9973 * configure.ac: NetBSD provides SSP in its C library.
9974 * configure: Updated.
9976 2016-01-27 Richard Biener <rguenther@suse.de>
9978 PR tree-optimization/69166
9979 * tree-vect-loop.c (vect_is_simple_reduction): Always check
9980 reduction code for commutativity / associativity.
9982 2016-01-27 Martin Jambor <mjambor@suse.cz>
9984 PR tree-optimization/69355
9985 * tree-sra.c (analyze_access_subtree): Correct hole detection when
9986 total_scalarization fails.
9988 2016-01-27 David Edelsohn <dje.gcc@gmail.com>
9990 * config/rs6000/driver-rs6000.c (detect_processor_aix): Add
9991 power9.
9993 2016-01-27 Christian Bruel <christian.bruel@st.com>
9995 PR target/69245
9996 * config/arm/arm-c.c (arm_pragma_target_parse): Add comments.
9997 Move arm_reset_previous_fndecl and set_target_option_current_node in
9998 the conditional part. Call save_restore_target_globals.
9999 * config/arm/arm.c (arm_set_current_function):
10000 Refactor to better support #pragma target and attribute mix.
10001 Call save_restore_target_globals.
10002 * config/arm/arm-protos.h (save_restore_target_globals): New function.
10004 2016-01-27 Martin Liska <mliska@suse.cz>
10006 * hsa.c (hsa_summary_t::link_functions): Create IPA_REF_ADDR
10007 reference for an HSA kernel and its host function.
10009 2016-01-27 Jakub Jelinek <jakub@redhat.com>
10011 PR tree-optimization/69399
10012 * wide-int.h (wi::lrshift): For larger precisions, only
10013 use fast path if shift is known to be < HOST_BITS_PER_WIDE_INT.
10015 2016-01-27 Claudiu Zissulescu <claziss@synopsys.com>
10017 * config/arc/predicates.md (proper_comparison_operator): Reject
10018 constant-constant comparison.
10020 2016-01-26 Tom de Vries <tom@codesourcery.com>
10022 PR tree-optimization/69110
10023 * tree-data-ref.c (initialize_data_dependence_relation): Handle
10024 DR_NUM_DIMENSIONS == 0.
10026 2016-01-26 Abderrazek Zaafrani <a.zaafrani@samsung.com>
10027 Sebastian Pop <s.pop@samsung.com>
10029 * graphite-isl-ast-to-gimple.c (ternary_op_to_tree): Handle
10030 isl_ast_op_cond and isl_ast_op_select.
10031 (gcc_expression_from_isl_expr_op): Same.
10033 2016-01-26 Jason Merrill <jason@redhat.com>
10035 PR c++/68782
10036 * tree.c (recompute_constructor_flags): Split out from
10037 build_constructor.
10038 (verify_constructor_flags): New.
10039 * tree.h: Declare them.
10041 2016-01-26 Iain Buclaw <ibuclaw@gdcproject.org>
10043 PR rtl-optimization/69217
10044 * var-tracking.c (tracked_record_parameter_p): Don't segfault if there
10045 are no TYPE_FIELDS set for the record type.
10047 2016-01-26 Jakub Jelinek <jakub@redhat.com>
10049 PR target/68662
10050 * config/rs6000/rs6000.c (rs6000_option_override_internal): Initialize
10051 toc_label_name unconditionally.
10052 (rs6000_emit_load_toc_table): Call ggc_strdup on toc_label_name for
10053 SYMBOL_REF string. Use toc_label_name instead of constructing
10054 LCTOC1.
10055 (rs6000_elf_declare_function_name): Use toc_label_name instead of
10056 constructing LCTOC1.
10058 2016-01-26 Martin Sebor <msebor@redhat.com>
10060 PR other/69477
10061 * doc/extend.texi (Common Type Attributes): Move text that talks about
10062 attribute packed from attribute aligned to the section discussing
10063 the former attribute for clarity.
10065 2016-01-26 Richard Henderson <rth@redhat.com>
10067 PR middle-end/60908
10068 * trans-mem.c (tm_region_init): Mark entry block as visited.
10070 2016-01-26 David Malcolm <dmalcolm@redhat.com>
10072 PR other/69006
10073 * diagnostic-show-locus.c (layout::print_source_line): Replace
10074 call to pp_newline with call to layout::print_newline.
10075 (layout::print_annotation_line): Likewise.
10076 (layout::move_to_column): Likewise.
10077 (layout::print_any_fixits): After printing any fixits, print a
10078 trailing newline, if necessary.
10079 (layout::print_newline): New method, resetting any colorization
10080 before a newline.
10081 (diagnostic_show_locus): Move the pp_newline to before the
10082 early bailout. Remove dummy block enclosing the layout instance.
10083 * diagnostic.c (default_diagnostic_finalizer): Replace invocation
10084 of pp_newline_and_flush with pp_flush.
10085 (diagnostic_append_note): Delete use of pp_newline.
10086 (diagnostic_append_note_at_rich_loc): Delete.
10087 * diagnostic.h (diagnostic_append_note_at_rich_loc): Delete.
10088 * pretty-print.h (output_buffer_append_r): Reset buff->line_length
10089 when newline characters are added to the buffer.
10091 2016-01-26 Michael Matz <matz@suse.de>
10093 * configure.ac (ac_cv_std_swap_in_utility): New test.
10094 * system.h (<algorithm>): Check HAVE_SWAP_IN_UTILITY as well.
10095 * configure: Regenerate.
10096 * config.in: Regenerate.
10098 2016-01-26 Claudiu Zissulescu <claziss@synopsys.com>
10100 * config/arc/arc.md (cstoresi4): Force operand into register.
10101 (arcset<code>): Fix predicate.
10102 (arcsetltu): Likewise.
10103 (arcsetgeu): Likewise.
10104 (arcsethi): Likewise.
10105 (arcsetls): Likewise.
10107 2016-01-26 Jakub Jelinek <jakub@redhat.com>
10109 PR tree-optimization/69483
10110 * gimple-fold.c (canonicalize_constructor_val): Return NULL
10111 if base has error_mark_node type.
10113 2016-01-26 Christophe Lyon <christophe.lyon@linaro.org>
10115 PR target/68620
10116 * config/arm/arm.c (neon_valid_immediate): Handle FP16 vectors.
10117 * config/arm/arm_neon.h (__ARM_NUM_LANES, __arm_lane, arm_lanq):
10118 New helper macros.
10119 (vget_lane_f16): Handle big-endian.
10120 (vgetq_lane_f16): Likewise.
10121 (vset_lane_f16): Likewise.
10122 (vsetq_lane_f16): Likewise.
10123 * config/arm/iterators.md (VQXMOV): Add V8HF.
10124 (VDQ): Add V4HF and V8HF.
10125 (V_reg): Handle V4HF and V8HF.
10126 (Is_float_mode): Likewise.
10127 * config/arm/neon.md (movv4hf, movv8hf, neon_vdup_nv4hf,
10128 neon_vdup_nv8hf): New patterns.
10129 (vec_set<mode>_internal, vec_extract<mode>, neon_vld1_dup<mode>):
10130 Use VD_LANE iterator.
10131 (neon_vld1_dup<mode>): Use VQ2 iterator.
10133 2016-01-26 Nathan Sidwell <nathan@acm.org>
10135 * omp-low.h (oacc_fn_attrib_kernels_p): Declare.
10136 (set_oacc_fn_attrib): Add IS_KERNEL arg.
10137 * omp-low.c (set_oacc_fn_attrib): Add IS_KERNEL arg.
10138 (oacc_fn_attrib_kernels_p, oacc_fn_attrib_level): New.
10139 (expand_omp_target): Pass is_kernel to set_oacc_fn_attrib.
10140 (oacc_validate_dims): Add LEVEL arg, don't return level.
10141 (new_oacc_loop_routine): Use oacc_fn_attrib_level, not
10142 oacc_validate_dims.
10143 (execute_oacc_device_lower): Adjust, add more dump output.
10144 * tree-ssa-loop.c (gate_oacc_kernels): Use
10145 oacc_fn_attrib_kernels_p.
10146 * tree-parloops.c (create_parallel_loop): Adjust
10147 set_oacc_fn_attrib call.
10149 2016-01-26 Jakub Jelinek <jakub@redhat.com>
10151 PR lto/69254
10152 * lto-wrapper.c (merge_and_complain): Handle -fcilkplus.
10153 (append_compiler_options): Handle -fcilkplus.
10154 (append_linker_options): Ignore -fno-{openmp,openacc,cilkplus}.
10156 2016-01-26 Nick Clifton <nickc@redhat.com>
10158 PR target/66655
10159 * config/i386/winnt.c (i386_pe_binds_local_p): If a function has
10160 been marked as DECL_ONE_ONLY but we do not the means to make it
10161 so, then do not allow it to bind locally.
10163 2016-01-26 Jakub Jelinek <jakub@redhat.com>
10165 PR lto/69254
10166 * opts.h (parse_sanitizer_options): New prototype.
10167 * opts.c (sanitizer_opts): New array.
10168 (parse_sanitizer_options): New function.
10169 (common_handle_option): Use parse_sanitizer_options.
10171 2016-01-26 H.J. Lu <hongjiu.lu@intel.com>
10173 PR target/68986
10174 * config/i386/i386.c (ix86_compute_frame_layout): Move stack
10175 alignment adjustment to ...
10176 (ix86_update_stack_boundary): Here. Don't over-align stack for
10177 __tls_get_addr.
10178 (ix86_finalize_stack_realign_flags): Use stack_alignment_needed
10179 if __tls_get_addr is called.
10181 2016-01-26 Christian Bruel <christian.bruel@st.com>
10183 * doc/sourcebuild.texi (arm_crypto_pragma_ok): Remove.
10185 2016-01-26 Eric Botcazou <ebotcazou@adacore.com>
10187 * config/ia64/ia64.c (ia64_expand_vecint_compare): Use gen_int_mode.
10189 2016-01-26 Richard Biener <rguenther@suse.de>
10191 PR middle-end/69467
10192 * match.pd: Guard X * CST CMP 0 pattern with single_use.
10194 2016-01-26 Richard Biener <rguenther@suse.de>
10196 PR tree-optimization/69452
10197 * tree-ssa-loop-im.c (move_computations_dom_walker): Remove.
10198 (move_computations_dom_walker::before_dom_children): Rename
10199 to ...
10200 (move_computations_worker): This.
10201 (move_computations): Perform an RPO rather than a DOM walk.
10203 2016-01-26 Jakub Jelinek <jakub@redhat.com>
10205 PR target/69442
10206 * combine.c (combine_instructions): For REG_EQUAL note with
10207 SET_DEST being ZERO_EXTRACT, also temporarily set SET_DEST
10208 to the underlying register.
10209 * doc/rtl.texi (REG_EQUAL): Document the behavior of
10210 REG_EQUAL/REG_EQUIV notes if SET_DEST is ZERO_EXTRACT.
10212 2016-01-26 Roger Ferrer Ibáñez <rofirrim@gmail.com>
10214 PR target/67896
10215 * config/aarch64/aarch64-builtins.c
10216 (aarch64_init_simd_builtin_types): Do not set structural
10217 equality to __Poly{8,16,64,128}_t types.
10219 2016-01-26 Richard Sandiford <richard.sandiford@arm.com>
10221 PR tree-optimization/69400
10222 * wide-int.cc (wi_pack): Take the precision as argument and
10223 perform canonicalization here rather than in the callers.
10224 Use the main loop to handle all full-width HWIs. Add a
10225 zero HWI if in_len isn't a full result.
10226 (wi::divmod_internal): Update accordingly.
10227 (wi::mul_internal): Likewise. Simplify.
10229 2016-01-25 Aditya Kumar <aditya.k7@samsung.com>
10230 Sebastian Pop <s.pop@samsung.com>
10232 * graphite-poly.c (apply_poly_transforms): Simplify.
10233 (print_isl_set): Use more readable format: ISL_YAML_STYLE_BLOCK.
10234 (print_isl_map): Same.
10235 (print_isl_union_map): Same.
10236 (print_isl_schedule): New.
10237 (debug_isl_schedule): New.
10238 * graphite-dependences.c (scop_get_reads): Do not call
10239 isl_union_map_add_map that is undocumented isl functionality.
10240 (scop_get_must_writes): Same.
10241 (scop_get_may_writes): Same.
10242 (scop_get_original_schedule): Remove.
10243 (scop_get_dependences): Do not call isl_union_map_compute_flow that
10244 is deprecated in isl 0.15. Instead, use isl_union_access_* interface.
10245 (compute_deps): Remove.
10246 * graphite-isl-ast-to-gimple.c (print_schedule_ast): New.
10247 (debug_schedule_ast): New.
10248 (translate_isl_ast_to_gimple::scop_to_isl_ast): Call
10249 set_separate_option.
10250 (graphite_regenerate_ast_isl): Add dump.
10251 (translate_isl_ast_to_gimple::scop_to_isl_ast): Generate code
10252 from scop->transformed_schedule.
10253 (graphite_regenerate_ast_isl): Add more dump.
10254 * graphite-optimize-isl.c (optimize_isl): Set
10255 scop->transformed_schedule. Check whether schedules are equal.
10256 (apply_poly_transforms): Move here.
10257 * graphite-poly.c (apply_poly_transforms): ... from here.
10258 (free_poly_bb): Static.
10259 (free_scop): Static.
10260 (pbb_number_of_iterations_at_time): Remove.
10261 (print_isl_ast): New.
10262 (debug_isl_ast): New.
10263 (debug_scop_pbb): New.
10264 * graphite-scop-detection.c (print_edge): Move.
10265 (print_sese): Move.
10266 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Remove.
10267 (build_scop_scattering): Remove.
10268 (create_pw_aff_from_tree): Assert instead of bailing out.
10269 (add_condition_to_pbb): Remove unused code, do not fail.
10270 (add_conditions_to_domain): Same.
10271 (add_conditions_to_constraints): Remove.
10272 (build_scop_context): New.
10273 (add_iter_domain_dimension): New.
10274 (build_iteration_domains): Initialize pbb->iterators.
10275 Call add_conditions_to_domain.
10276 (nested_in): New.
10277 (loop_at): New.
10278 (index_outermost_in_loop): New.
10279 (index_pbb_in_loop): New.
10280 (outermost_pbb_in): New.
10281 (add_in_sequence): New.
10282 (add_outer_projection): New.
10283 (outer_projection_mupa): New.
10284 (add_loop_schedule): New.
10285 (build_schedule_pbb): New.
10286 (build_schedule_loop): New.
10287 (embed_in_surrounding_loops): New.
10288 (build_schedule_loop_nest): New.
10289 (build_original_schedule): New.
10290 (build_poly_scop): Call build_original_schedule.
10291 * graphite.h: Declare print_isl_schedule and debug_isl_schedule.
10292 (free_poly_dr): Remove.
10293 (struct poly_bb): Add iterators. Remove schedule, transformed, saved.
10294 (free_poly_bb): Remove.
10295 (debug_loop_vec): Remove.
10296 (print_isl_ast): Declare.
10297 (debug_isl_ast): Declare.
10298 (scop_do_interchange): Remove.
10299 (scop_do_strip_mine): Remove.
10300 (scop_do_block): Remove.
10301 (flatten_all_loops): Remove.
10302 (optimize_isl): Remove.
10303 (pbb_number_of_iterations_at_time): Remove.
10304 (debug_scop_pbb): Declare.
10305 (print_schedule_ast): Declare.
10306 (debug_schedule_ast): Declare.
10307 (struct scop): Remove schedule. Add original_schedule,
10308 transformed_schedule.
10309 (free_gimple_poly_bb): Remove.
10310 (print_generated_program): Remove.
10311 (debug_generated_program): Remove.
10312 (unify_scattering_dimensions): Remove.
10313 * sese.c (print_edge): ... here.
10314 (print_sese): ... here.
10315 (debug_edge): ... here.
10316 (debug_sese): ... here.
10317 * sese.h (print_edge): Declare.
10318 (print_sese): Declare.
10319 (dump_edge): Declare.
10320 (dump_sese): Declare.
10322 2016-01-25 Aditya Kumar <aditya.k7@samsung.com>
10323 Sebastian Pop <s.pop@samsung.com>
10325 * Makefile.in: Set ISLVER in site.exp.
10327 2016-01-25 Jakub Jelinek <jakub@redhat.com>
10329 * omp-low.c (lower_omp_target) <case USE_DEVICE_PTR>: Set
10330 DECL_VALUE_EXPR of new_var even for the non-array case. Look
10331 through DECL_VALUE_EXPR for expansion.
10333 2016-01-25 Bernd Edlinger <bernd.edlinger@hotmail.de>
10335 * config/mips/mips.c (mips_compute_frame_info): Skip re-computing
10336 the frame info after reload completed.
10338 2016-01-25 Jeff Law <law@redhat.com>
10340 PR tree-optimization/69196
10341 PR tree-optimization/68398
10342 * tree-ssa-threadupdate.h (enum bb_dom_status): Moved here from
10343 tree-ssa-threadupdate.c.
10344 (determine_bb_domination_status): Prototype
10345 * tree-ssa-threadupdate.c (enum bb_dom_status): Remove
10346 (determine_bb_domination_status): No longer static.
10347 (valid_jump_thread_path): Remove code to detect characteristics
10348 of the jump thread path not associated with correctness.
10349 * tree-ssa-threadbackward.c (fsm_find_control_statment_thread_paths):
10350 Correct test for thread path length. Count PHIs for real operands as
10351 statements that need to be copied. Do not count ASSERT_EXPRs.
10352 Look at all the blocks in the thread path. Compute and selectively
10353 filter thread paths based on threading through the latch, threading
10354 a multiway branch or crossing a multiway branch.
10356 2016-01-25 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
10358 * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): Add
10359 decl with __attribute__ ((unused)) annotation.
10361 2016-01-25 Ilya Enkovich <enkovich.gnu@gmail.com>
10363 PR target/69421
10364 * tree-vect-stmts.c (vectorizable_condition): Check vectype
10365 of operands is compatible with a statement vectype.
10367 2016-01-25 Eric Botcazou <ebotcazou@adacore.com>
10369 * doc/extend.texi (scalar_storage_order type attribute): Fix typo and
10370 improve wording for mixed storage order support.
10372 2016-01-25 Bilyan Borisov <bilyan.borisov@arm.com>
10374 * config/aarch64/arm_neon.h (vcvt_s64_f64): New intrinsic.
10375 (vcvt_u64_f64): Likewise.
10376 (vcvta_s64_f64): Likewise.
10377 (vcvta_u64_f64): Likewise.
10378 (vcvtm_s64_f64): Likewise.
10379 (vcvtm_u64_f64): Likewise.
10380 (vcvtn_s64_f64): Likewise.
10381 (vcvtn_u64_f64): Likewise.
10382 (vcvtp_s64_f64): Likewise.
10383 (vcvtp_u64_f64): Likewise.
10385 2016-01-25 Claudiu Zissulescu <claziss@synopsys.com>
10387 * config/arc/arc.c (TARGET_DWARF_REGISTER_SPAN): Define.
10388 (arc_init): Check validity mll64 option.
10389 (arc_save_restore): Use double load/store instruction.
10390 (arc_expand_movmem): Likewise.
10391 (arc_split_move): Don't split if we have double load/store
10392 instructions. Returns a boolean.
10393 (arc_process_double_reg_moves): Change function to return boolean
10394 instead of a sequence of instructions.
10395 (arc_dwarf_register_span): New function.
10396 * config/arc/arc-protos.h (arc_split_move): Change prototype.
10397 * config/arc/arc.h (TARGET_CPU_CPP_BUILTINS): Define __ARC_LL64__.
10398 * config/arc/arc.md (*movdi_insn): Emit ldd/std instructions.
10399 (*movdf_insn): Likewise.
10400 * config/arc/arc.opt (mll64): New option.
10401 * config/arc/predicates.md (even_register_operand): New predicate.
10402 * doc/invoke.texi (ARC Options): Add mll64 documentation.
10404 2016-01-25 Richard Biener <rguenther@suse.de>
10406 PR lto/69393
10407 * dwarf2out.c (is_naming_typedef_decl): Not when DECL_NAMELESS.
10408 * tree-streamer-out.c (pack_ts_base_value_fields): Stream
10409 DECL_NAMELESS.
10410 * tree-streamer-in.c (unpack_ts_base_value_fields): Likewise.
10412 2016-01-25 Richard Biener <rguenther@suse.de>
10414 PR tree-optimization/69376
10415 * tree-ssa-sccvn.h (struct vn_ssa_aux): Add range_info_anti_range_p
10416 flag.
10417 (VN_INFO_ANTI_RANGE_P): New inline.
10418 (VN_INFO_RANGE_TYPE): Likewise.
10419 * tree-ssa-sccvn.c (set_ssa_val_to): Also record and copy
10420 SSA_NAME_ANTI_RANGE_P.
10421 (free_scc_vn): Restore SSA_NAME_ANTI_RANGE_P.
10422 * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
10423 Properly query VN_INFO_RANGE_TYPE.
10425 2016-01-25 Nick Clifton <nickc@redhat.com>
10427 PR target/66655
10428 * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Remove definition.
10430 2016-01-23 Tom de Vries <tom@codesourcery.com>
10432 PR tree-optimization/69426
10433 * tree-parloops.c (eliminate_local_variables_stmt): Handle vdef of
10434 removed clobber.
10436 2016-01-23 Jakub Jelinek <jakub@redhat.com>
10438 * tree-ssanames.c (release_free_names_and_compact_live_names): Replace
10439 "the the" with "the" in the comments.
10440 * ipa-devirt.c (build_type_inheritance_graph,
10441 update_type_inheritance_graph): Likewise.
10442 * tree.c (build_function_type_list_1): Likewise.
10443 * cfgloopmanip.c (scale_loop_profile): Likewise.
10444 * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Likewise.
10445 * gimple-ssa-split-paths.c
10446 (find_block_to_duplicate_for_splitting_paths): Likewise.
10447 * tree-sra.c (init_subtree_with_zero, clobber_subtree): Likewise.
10448 * expr.c (convert_move): Likewise.
10449 * var-tracking.c (vt_stack_adjustments): Likewise.
10450 * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
10451 * tree-vrp.c (test_for_singularity): Likewise.
10453 * tree-vect-stmts.c (vectorizable_condition): Build a VEC_COND_EXPR
10454 directly instead of building a temporary tree.
10456 PR bootstrap/69434
10457 * genrecog.c: Define INCLUDE_ALGORITHM before including system.h,
10458 remove <algorithm> include.
10460 2016-01-22 Jakub Jelinek <jakub@redhat.com>
10462 PR target/69432
10463 * config/i386/i386.c: Include dojump.h.
10464 (expand_small_movmem_or_setmem,
10465 expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Spelling
10466 fixes.
10467 (ix86_expand_set_or_movmem): Call do_pending_stack_adjust () early
10468 if dynamic_check != -1.
10470 2016-01-21 Jeff Law <law@redhat.com>
10472 PR middle-end/69347
10473 * tree-ssa-dom.c (back_propagate_equivalences): Factored out of
10474 record_temporary_equivalences. Rewritten to avoid unnecessary calls
10475 into dominated_by_p.
10476 (cprop_into_successor_phis): Avoid unnecessary tests.
10478 2016-01-22 Richard Henderson <rth@redhat.com>
10480 PR target/69416
10481 * config/aarch64/aarch64.md (UNSPEC_NZCV): New.
10482 (ccmp<mode>, fccmp<mode>, fccmpe<mode>): Use it.
10484 2016-01-22 Michael Matz <matz@suse.de>
10486 * system.h (string, algorithm): Include only conditionally.
10487 (new): Include always under C++.
10488 * bb-reorder.c (toplevel): Define INCLUDE_ALGORITHM.
10489 * final.c (toplevel): Ditto.
10490 * ipa-chkp.c (toplevel): Define INCLUDE_STRING.
10491 * genconditions.c (write_header): Make gencondmd.c define
10492 INCLUDE_STRING.
10493 * mem-stats.h (mem_usage::print_dash_line): Don't use std::string.
10495 * config/aarch64/aarch64.c (toplevel): Define INCLUDE_STRING.
10496 * common/config/aarch64/aarch64-common.c (toplevel): Ditto.
10498 2016-01-22 Christian Bruel <christian.bruel@st.com>
10500 PR target/68674
10501 * expr.c (expand_expr_real_1): Reset DECL_MODE if VECTOR_TYPE_P changed.
10503 2016-01-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
10505 PR target/69403
10506 * config/arm/thumb2.md (*thumb2_ior_scc_strict_it): Convert to
10507 define_insn_and_split. Ensure operands[1] and operands[0] do not
10508 get assigned the same register.
10510 2016-01-22 Kugan Vivekanandarajah <kuganv@linaro.org>
10512 * ipa-prop.c (ipa_set_jf_constant): Remove redundant unshare_expr.
10514 2016-01-22 Christian Bruel <christian.bruel@st.com>
10516 * config/arm/arm-c.c (arm_pragma_target_parse):
10517 Remove warn_builtin_macro_redefined overwrite.
10519 2016-01-22 Eric Botcazou <ebotcazou@adacore.com>
10521 * ipa-inline.c (can_inline_edge_p): Back out overzealous check on
10522 flag_non_call_exceptions compatibility.
10524 2016-01-22 Jakub Jelinek <jakub@redhat.com>
10526 PR debug/66668
10527 * dwarf2out.c (add_child_die_after): New function.
10528 (dwarf_qual_info_t): New type.
10529 (dwarf_qual_info): New variable.
10530 (qualified_die_p): New function.
10531 (modified_type_die): For -fdebug-types-section, ensure
10532 canonical order of qualifiers. Put qualified DIEs adjacent
10533 to the corresponding non-qualified type DIE and search there
10534 for existing qualified DIEs.
10536 2016-01-22 Eric Botcazou <ebotcazou@adacore.com>
10538 * doc/extend.texi (scalar_storage_order type attribute): Document
10539 restriction on type punning and aliasing, and remove future tense.
10541 2016-01-21 Roman Zhuykov <zhroma@ispras.ru>
10543 PR target/69252
10544 * modulo-sched.c (optimize_sc): Allow branch-scheduling to add a new
10545 first stage.
10547 2016-01-21 Jeff Law <law@redhat.com>
10549 PR middle-end/69347
10550 * tree-ssa-dom.c (dom_opt_dom_walker::thread_across_edge): Avoid
10551 useless call to record_temporary_equivalences.
10552 * tree-ssa-threadbackward.c (find_jump_threads_backwards): Just
10553 allocate 10 slots in the bb_path vector and let it grow as needed.
10554 (fsm_find_control_statement_thread_paths): Similarly for the next_path
10555 vector.
10557 2016-01-21 David Edelsohn <dje.gcc@gmail.com>
10559 * configure.ac (gcc_cv_as_powerpc_mfcrf, gcc_cv_as_machine_directive):
10560 Detangle.
10561 * configure: Regenerate.
10563 2016-01-21 Pat Haugen <pthaugen@us.ibm.com>
10565 * config/rs6000/aix71.h (ASM_CPU_SPEC): Add entry for Power9.
10566 * config/rs6000/driver-rs6000.c (struct asm_names): Likewise.
10568 2016-01-21 Bernd Schmidt <bschmidt@redhat.com>
10570 PR middle-end/66178
10571 * expr.c (expand_expr_real_2) [PLUS_EXPR, MINUS_EXPR]: Don't
10572 drop EXPAND_INITIALIZER.
10573 * rtl.h (contains_symbolic_reference_p): Declare.
10574 * rtlanal.c (contains_symbolic_reference_p): New function.
10575 * simplify-rtx.c (simplify_binary_operation_1): Don't turn
10576 a subtraction into a NOT if symbolic constants are involved.
10578 2016-01-21 Anton Blanchard <anton@samba.org>
10579 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
10581 PR target/63354
10582 * config/rs6000/linux64.h (TARGET_KEEP_LEAF_WHEN_PROFILED): New
10583 #define.
10584 * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): New
10585 function.
10587 2016-01-21 Ajit Agarwal <ajitkum@xilinx.com>
10589 * config/microblaze/microblaze.c
10590 (get_branch_target): New.
10591 (insert_wic_for_ilb_runout): New.
10592 (insert_wic): New.
10593 (microblaze_machine_dependent_reorg): New.
10594 (TARGET_MACHINE_DEPENDENT_REORG): Define macro.
10595 * config/microblaze/microblaze.md
10596 (UNSPEC_IPREFETCH): Define.
10597 (iprefetch): New pattern
10598 * config/microblaze/microblaze.opt
10599 (mxl-prefetch): New flag.
10601 2016-01-21 Ajit Agarwal <ajitkum@xilinx.com>
10603 * config/microblaze/microblaze.h
10604 (FIXED_REGISTERS): Update in macro.
10605 (CALL_USED_REGISTERS): Update in macro.
10607 2016-01-21 Yuri Rumyantsev <ysrumyan@gmail.com>
10609 PR rtl-optimization/68920
10610 * ifcvt.c (cond_move_process_if_block): Limit number of conditional
10611 moves.
10613 2016-01-21 Vladimir Makarov <vmakarov@redhat.com>
10615 PR rtl-optimization/68990
10616 * lra-coalesce.c (lra_coalesce): Invalidate value for the result
10617 pseudo instead of inheritance ones.
10619 2016-01-21 Bernd Edlinger <bernd.edlinger@hotmail.de>
10620 Nick Clifton <nickc@redhat.com>
10622 PR target/69129
10623 PR target/69012
10624 * config/mips/mips.c (mips_compute_frame_info): Initialise
10625 args_size and hard_frame_pointer_offset fields of the frame
10626 structure before calling mips_global_pointer.
10628 2016-01-21 David Edelsohn <dje.gcc@gmail.com>
10630 * configure.ac (gcc_cv_as_dwloc): Test support for debug frame section
10631 label reference.
10632 * configure: Regenerate.
10634 2016-01-21 Richard Biener <rguenther@suse.de>
10636 * graphite-optimize-isl.c (get_schedule_map): Fix typo.
10638 2016-01-21 Marcin Kościelnicki <koriakin@0x04.net>
10640 * config/s390/s390.c (s390_asm_declare_function_size): Add code
10641 to actually emit the .size directive.
10643 2016-01-21 Stefan Sørensen <stefan.sorensen@spectralink.com>
10644 Jakub Jelinek <jakub@redhat.com>
10646 PR target/69187
10647 PR target/65624
10648 * config/arm/arm-builtins.c (arm_expand_neon_builtin): Increase
10649 args array size by one to avoid buffer overflow.
10651 2016-01-21 Marcin Kościelnicki <koriakin@0x04.net>
10653 * config/s390/s390.md (pool_section_start): Use switch_to_section
10654 to select proper read-only data section instead of hardcoding
10655 .rodata.
10656 (pool_section_end): Use switch_to_section to match the above.
10658 2016-01-21 Richard Biener <rguenther@suse.de>
10660 PR tree-optimization/69378
10661 * tree-ssa-sccvn.c (dominated_by_p_w_unex): New function.
10662 (set_ssa_val_to): Use it for dominance checks taking into
10663 account not executable edges.
10665 2016-01-21 Jakub Jelinek <jakub@redhat.com>
10667 PR c++/69355
10668 * tree-dfa.c (get_ref_base_and_extent): Use GET_MODE_BITSIZE (mode)
10669 for bitsize instead of GET_MODE_PRECISION (mode).
10671 2016-01-20 Martin Sebor <msebor@redhat.com>
10673 PR c/52291
10674 * extend.texi (__sync Builtins): Clarify the semantics of
10675 __sync_fetch_and_OP built-ins on pointers.
10676 (__atomic Builtins): Same.
10678 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
10679 Sebastian Pop <s.pop@samsung.com>
10681 * graphite-isl-ast-to-gimple.c (enum phi_node_kind): New.
10682 (class translate_isl_ast_to_gimple): Use phi_node_kind instead of bool.
10683 (is_valid_rename): Same.
10684 (translate_isl_ast_to_gimple::get_rename): Same.
10685 (translate_isl_ast_to_gimple::rename_all_uses): Same.
10686 (translate_isl_ast_to_gimple::rename_uses): Same.
10687 (get_new_name): Check for close_phi nodes.
10688 (copy_loop_phi_args): Use phi_node_kind.
10689 (translate_isl_ast_to_gimple::copy_loop_close_phi_args): Same.
10690 (translate_isl_ast_to_gimple::copy_cond_phi_args): Same.
10692 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
10693 Sebastian Pop <s.pop@samsung.com>
10695 Revert commit r229783.
10696 * graphite-isl-ast-to-gimple.c (gcc_expression_from_isl_ast_expr_id):
10697 Remove use of parameter_rename_map.
10698 (copy_def): Remove.
10699 (copy_internal_parameters): Remove.
10700 (graphite_regenerate_ast_isl): Remove call to copy_internal_parameters.
10701 * sese.c (new_sese_info): Do not initialize parameter_rename_map.
10702 (free_sese_info): Do not free parameter_rename_map.
10703 (set_rename): Do not use parameter_rename_map.
10704 (rename_uses): Update call to set_rename.
10705 (graphite_copy_stmts_from_block): Do not use parameter_rename_map.
10706 * sese.h (parameter_rename_map_t): Remove.
10707 (struct sese_info_t): Remove field parameter_rename_map.
10709 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
10710 Sebastian Pop <s.pop@samsung.com>
10712 * graphite-isl-ast-to-gimple.c: Fix comment.
10713 * graphite-scop-detection.c (defined_in_loop_p): New.
10714 (canonicalize_loop_closed_ssa): Do not add close phi nodes for SSA
10715 names defined in loop.
10717 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
10718 Sebastian Pop <s.pop@samsung.com>
10720 * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
10721 Discard unstructured if-then-else regions.
10723 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
10724 Sebastian Pop <s.pop@samsung.com>
10726 * graphite-sese-to-poly.c (set_scop_parameter_dim): Remove.
10727 (cleanup_loop_iter_dom): Remove.
10728 (build_loop_iteration_domains): Remove.
10729 (build_scop_context): Remove.
10730 (build_scop_iteration_domain): Remove.
10731 (add_loop_constraints): New.
10732 (build_iteration_domains): New.
10733 (build_poly_scop): Call build_iteration_domains.
10735 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
10736 Sebastian Pop <s.pop@samsung.com>
10738 * graphite-scop-detection.c
10739 (scop_detection::harmful_loop_in_region): Free dom and loops.
10740 (scop_detection::loop_body_is_valid_scop): Free bbs.
10742 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
10743 Sebastian Pop <s.pop@samsung.com>
10745 * graphite-scop-detection.c (record_loop_in_sese): New.
10746 (gather_bbs::before_dom_children): Call record_loop_in_sese.
10747 (build_scops): Remove call to build_sese_loop_nests.
10748 * sese.c (sese_record_loop): Remove.
10749 (build_sese_loop_nests): Remove.
10750 (new_sese_info): Remove region->loops.
10751 (free_sese_info): Same.
10752 * sese.h (sese_contains_loop): Same.
10753 (build_sese_loop_nests): Remove.
10754 (sese_contains_loop): Remove.
10756 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
10757 Sebastian Pop <s.pop@samsung.com>
10759 * graphite-scop-detection.c (loop_is_valid_scop): Renamed
10760 loop_is_valid_in_scop.
10761 (scop_detection::harmful_stmt_in_region): Renamed
10762 harmful_loop_in_region.
10763 Call loop_is_valid_in_scop.
10765 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
10766 Sebastian Pop <s.pop@samsung.com>
10768 * graphite-isl-ast-to-gimple.c (translate_isl_ast): Also handle
10769 isl_ast_node_mark.
10771 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
10772 Sebastian Pop <s.pop@samsung.com>
10774 * graphite-poly.c (new_poly_bb): Remove use of PBB_IS_REDUCTION.
10775 * graphite.h (struct poly_bb): Remove field is_reduction.
10776 (PBB_IS_REDUCTION): Remove.
10778 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
10779 Sebastian Pop <s.pop@samsung.com>
10781 * graphite-dependences.c (constrain_domain): Add call to isl_*_coalesce.
10782 (add_pdr_constraints): Same.
10783 (scop_get_reads): Same.
10784 (scop_get_must_writes): Same.
10785 (scop_get_may_writes): Same.
10786 (scop_get_original_schedule): Same.
10787 (extend_schedule): Same.
10788 (apply_schedule_on_deps): Same.
10789 (carries_deps): Same.
10790 (compute_deps): Same.
10791 (scop_get_dependences): Same.
10792 * graphite-isl-ast-to-gimple.c
10793 (translate_isl_ast_to_gimple::generate_isl_schedule): Same.
10794 * graphite-optimize-isl.c (get_schedule_for_band): Same.
10795 (get_schedule_for_band_list): Same.
10796 (get_schedule_map): Same.
10797 (apply_schedule_map_to_scop): Same.
10798 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
10799 (build_loop_iteration_domains): Same.
10800 (add_condition_to_pbb): Same.
10801 (add_param_constraints): Same.
10802 (pdr_add_memory_accesses): Same.
10803 (pdr_add_data_dimensions): Same.
10805 2016-01-20 Sandra Loosemore <sandra@codesourcery.com>
10807 * doc/invoke.texi (Instrumentation Options): Clarify -mmpx linking
10808 requirements.
10810 2016-01-20 Sandra Loosemore <sandra@codesourcery.com>
10812 * common.opt (feliminate-dwarf2-dups): Replace references to
10813 "DWARF 2" with just "DWARF".
10814 * config/ia64/ia64.opt (mdwarf2-asm): Likewise.
10815 * doc/extend.texi: Likewise.
10816 * doc/cpp.texi: Likewise.
10817 * doc/invoke.texi: Likewise.
10818 (Option Summary): Add -gdwarf to list of Debugging Options.
10819 (Debugging Options): Document -gdwarf.
10820 * doc/contrib.texi: Spell "DWARF" like that.
10822 2016-01-21 Jakub Jelinek <jakub@redhat.com>
10824 * omp-low.c (expand_omp_target): Avoid -Wmaybe-uninitialized
10825 warning. Fix up formatting.
10827 PR middle-end/67653
10828 * gimplify.c (gimplify_asm_expr): Warn if it is too late to
10829 attempt to mark memory input operand addressable and
10830 call prepare_gimple_addressable in that case. Don't adjust
10831 input_location for diagnostics, use error_at instead.
10833 2016-01-20 Peter Bergner <bergner@vnet.ibm.com>
10835 * config/rs6000/ppc-auxv.h: New file.
10836 * config/rs6000/rs6000-builtin.def (cpu_init): Add new builtin.
10837 (cpu_is): Likewise.
10838 (cpu_supports): Likewise.
10839 * config/rs6000/rs6000.c: include "ppc-auxv.h".
10840 (cpu_is_info): New variable.
10841 (cpu_supports_info): Likewise.
10842 (tcb_verification_symbol): Likewise.
10843 (cpu_builtin_p): Likewise.
10844 (cpu_expand_builtin): New function.
10845 (rs6000_expand_ternop_builtin): Add support for CPU builtin functions.
10846 (rs6000_init_builtins): Likewise.
10847 (rs6000_elf_file_end): Emit HWCAP in TCB verification symbol.
10848 * config/rs6000/rs6000.h (TLS_REGNUM): New define.
10849 * configure.ac (gcc_cv_libc_provides_hwcap_in_tcb): New test.
10850 * configure: Regenerate.
10851 * config.in: Likewise.
10852 * doc/extend.texi (PowerPC Built-in Functions): Document
10853 __builtin_cpu_init, __builtin_cpu_is and __builtin_cpu_supports.
10855 2016-01-20 David Edelsohn <dje.gcc@gmail.com>
10857 PR target/68609
10858 * config/rs6000/rs6000.c (rs6000_emit_swsqrt): Add vector sqrt
10859 domain check.
10860 * config/rs6000/vector.md (sqrt<mode>2): Call rs6000_emit_swsqrt
10861 for V4SFmode.
10863 2016-01-20 Richard Henderson <rth@redhat.com>
10865 PR bootstrap/69343
10866 PR bootstrap/69339
10867 PR tree-opt/68964
10868 Revert:
10869 * tree.c (tm_define_builtin): New.
10870 (find_tm_vector_type): New.
10871 (build_tm_vector_builtins): New.
10872 (build_common_builtin_nodes): Call it.
10874 2016-01-20 Christophe Lyon <christophe.lyon@linaro.org>
10876 * doc/sourcebuild.texi (arm_crypto_pragma_ok): Document new entry.
10877 (arm_fp_ok): Likewise.
10878 (arm_fp): Likewise.
10879 (arm_crypto): Likewise.
10881 2016-01-20 Ilya Enkovich <enkovich.gnu@gmail.com>
10882 Richard Biener <rguenther@suse.de>
10884 PR tree-optimization/69328
10885 * tree-vect-stmts.c (vect_is_simple_cond): Check compared
10886 vectors have same number of elements.
10887 (vectorizable_condition): Fix masked version recognition.
10889 2016-01-20 Richard Biener <rguenther@suse.de>
10891 PR tree-optimization/69345
10892 * tree-ssa-sccvn.h (VN_INFO_RANGE_INFO): New inline function.
10893 (VN_INFO_PTR_INFO): Likewise.
10894 * tree-ssa-sccvn.c (set_ssa_val_to): Avoid clearing points-to
10895 info when it is equal between non-dominating SSA names.
10896 * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
10897 Make sure to look at original SSA infos.
10899 2016-01-20 Jeff Law <law@redhat.com>
10901 PR target/25114
10902 * config/m68k/predicates.md (pow2_m1_operand): New predicate
10903 extracted from ...
10904 (reg_or_pow2_m1_operand): Call pow2_m1_operand.
10905 (pc_or_label_operand): New predicate.
10906 * config/m68k/m68k.md: Add new peephole2 patterns for GTU/LEU
10907 tests for small integers that are 2^n - 1.
10909 2016-01-20 Jonathan Wakely <jwakely@redhat.com>
10911 * doc/invoke.texi (Options Summary): Add '.' after @xref.
10913 2016-01-19 Jeff Law <law@redhat.com>
10915 PR middle-end/69347
10916 * tree-ssa-threadbackwards.c
10917 (fsm_find_control_statement_thread_paths): Do not try to lookup
10918 FSM paths for SSA_NAMEs appearing in abnormal PHIs.
10920 2016-01-20 Kugan Vivekanandarajah <kuganv@linaro.org>
10922 * doc/lto.texi: Remove text that says only Gold has linker plugin
10923 support.
10925 2016-01-19 Eric Botcazou <ebotcazou@adacore.com>
10927 * dwarf2out.c (need_endianity_attribute_p): New inline predicate.
10928 (base_type_die): Add REVERSE parameter and attach DW_AT_endianity to
10929 the DIE accordingly.
10930 (modified_type_die): Add REVERSE parameter and pass it recursively,
10931 as well as to base_type_die. Adjust presence check accordingly.
10932 (base_type_for_mode): Adjust call to modified_type_die.
10933 (add_type_attribute): Add REVERSE parameter and pass it to
10934 modified_type_die.
10935 (generic_parameter_die): Adjust call to add_type_attribute.
10936 (add_scalar_info): Likewise.
10937 (add_subscript_info): Likewise.
10938 (gen_array_type_die): Likewise.
10939 (gen_descr_array_type_die): Likewise.
10940 (gen_entry_point_die): Likewise.
10941 (gen_enumeration_type_die): Likewise.
10942 (gen_formal_parameter_die): Likewise.
10943 (gen_subprogram_die): Likewise.
10944 (gen_variable_die ): Likewise.
10945 (gen_const_die): Likewise.
10946 (gen_field_die): Likewise.
10947 (gen_pointer_type_die): Likewise.
10948 (gen_reference_type_die): Likewise.
10949 (gen_ptr_to_mbr_type_die): Likewise.
10950 (gen_inheritance_die): Likewise.
10951 (gen_subroutine_type_die): Likewise.
10952 (gen_typedef_die): Likewise.
10953 (force_type_die): Adjust call to modified_type_die.
10955 2016-01-19 Sandra Loosemore <sandra@codesourcery.com>
10957 * doc/standards.texi: Copy-editing for grammar, markup, and sentence
10958 flow throughout the file. Fix broken link to Objective-C 2.0
10959 documentation.
10960 * doc/invoke.texi: More copy-editing; fix numerous typos and spelling
10961 errors.
10963 2016-01-19 Wilco Dijkstra <wdijkstr@arm.com>
10965 * ccmp.c (expand_ccmp_expr_1): Avoid spurious unused warnings.
10967 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
10969 PR ipa/66223
10970 * ipa-devirt.c (is_cxa_pure_virtual_p): New function.
10971 (maybe_record_node): Record cxa_pure_virtual as the only possible
10972 target if there are not ohter candidates.
10973 (possible_polymorphic_call_target_p): Accept cxa_pure_virtual.
10975 2016-01-19 Richard Biener <rguenther@suse.de>
10977 * hsa-gen.c (get_memory_order_name): Use MEMMODEL_ constants.
10978 (get_memory_order): Likewise.
10980 2016-01-19 Kirill Yukhin <kirill.yukhin@intel.com>
10982 * tree-vect-stmts.c (vectorizable_store): Check
10983 rhs vectype.
10985 2016-01-19 David Malcolm <dmalcolm@redhat.com>
10987 PR jit/68446
10988 * gcc.c (driver::decode_argv): Add call to
10989 init_opts_obstack before init_options_struct.
10990 * opts.c (init_opts_obstack): Remove idempotency.
10991 (init_options_struct): Replace call to init_opts_obstack
10992 with a gcc_assert to verify that it has already been called.
10993 * toplev.c (toplev::main): Add call to init_opts_obstack before
10994 calls to init_options_struct.
10995 (toplev::finalize): Move cleanup of opts_obstack next to
10996 cleanup of save_decoded_options, clearing the latter, and
10997 save_decoded_options_count.
10999 2016-01-19 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
11001 PR target/69135
11002 * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Set "conds"
11003 attribute to unconditional. Remove %? from output template.
11005 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
11006 Jiong Wang <jiong.wang@arm.com>
11008 * ccmp.c (expand_ccmp_expr_1): Cost the instruction sequences
11009 generated from different expand order.
11011 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
11013 * /config/aarch64/aarch64.c (aarch64_if_then_else_costs):
11014 Add support for CCMP costing.
11016 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
11018 * ccmp.c (ccmp_candidate_p): Remove integer-only restriction.
11019 * config/aarch64/aarch64.md (fccmp<mode>): New pattern.
11020 (fccmpe<mode>): Likewise.
11021 (fcmp): Rename to fcmp and globalize pattern.
11022 (fcmpe): Likewise.
11023 * config/aarch64/aarch64.c (aarch64_gen_ccmp_first): Add FP support.
11024 (aarch64_gen_ccmp_next): Add FP support.
11026 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
11028 * target.def (gen_ccmp_first): Update documentation.
11029 (gen_ccmp_next): Likewise.
11030 * doc/tm.texi (gen_ccmp_first): Update documentation.
11031 (gen_ccmp_next): Likewise.
11032 * ccmp.c (expand_ccmp_expr): Extract cmp_code from return value of
11033 expand_ccmp_expr_1. Improve comments.
11034 * config/aarch64/aarch64.md (ccmp_and): Use if_then_else for ccmp.
11035 (ccmp_ior<mode>): Remove pattern.
11036 (cmp<mode>): Remove expand.
11037 (cmp): Globalize pattern.
11038 (cstorecc4): Use cc_register.
11039 (mov<mode>cc): Remove ccmp_cc_register check.
11040 * config/aarch64/aarch64.c (aarch64_get_condition_code_1):
11041 Simplify after removal of CC_DNE/* modes.
11042 (aarch64_ccmp_mode_to_code): Remove.
11043 (aarch64_print_operand): Remove 'K' case. Merge 'm' and 'M' cases.
11044 In 'k' case use integer as condition.
11045 (aarch64_nzcv_codes): Remove inverted cases.
11046 (aarch64_code_to_ccmode): Remove.
11047 (aarch64_gen_ccmp_first): Use cmp pattern directly. Return the correct
11048 comparison with CC register to be used in folowing CCMP/branch/CSEL.
11049 (aarch64_gen_ccmp_next): Use previous comparison and mode in CCMP
11050 pattern. Return the comparison with CC register. Invert conditions
11051 when bitcode is OR.
11052 * config/aarch64/aarch64-modes.def: Remove CC_DNE/* modes.
11053 * config/aarch64/predicates.md (ccmp_cc_register): Remove.
11055 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
11057 * cgraphunit.c (cgraph_node::reset): Clear thunk info and
11058 instrumented_version.
11060 2016-01-19 Richard Biener <rguenther@suse.de>
11062 PR tree-optimization/69336
11063 * tree-ssa-scopedtables.c (avail_expr_hash): Handle all
11064 handled components with get_ref_base_and_extent.
11065 (equal_mem_array_ref_p): Adjust.
11067 2016-01-19 Jakub Jelinek <jakub@redhat.com>
11069 PR debug/65779
11070 * shrink-wrap.c: Include valtrack.h.
11071 (move_insn_for_shrink_wrap): Add DEBUG argument. If
11072 MAY_HAVE_DEBUG_INSNS, call dead_debug_add on DEBUG_INSNs
11073 in between insn and where it will be moved to. Call
11074 dead_debug_insert_temp.
11075 (prepare_shrink_wrap): Adjust caller. Call dead_debug_local_init
11076 first and dead_debug_local_finish at the end.
11077 For uses and defs bitmap, handle all regs in between REGNO and
11078 END_REGNO, not just the first one.
11080 2016-01-19 Richard Biener <rguenther@suse.de>
11082 PR tree-optimization/69352
11083 * tree-ssa-scopedtables.c (avail_expr_hash): Check for size == -1.
11084 (equal_mem_array_ref_p): Constrain size and max size properly.
11085 Compare the reverse flag.
11087 2016-01-19 Bernd Schmidt <bschmidt@redhat.com>
11089 * ira.c (ira): Update regstat data if we deleted insns.
11091 2016-01-19 Jakub Jelinek <jakub@redhat.com>
11093 PR rtl-optimization/68955
11094 PR rtl-optimization/64557
11095 * dse.c (record_store, check_mem_read_rtx): Don't call get_addr
11096 here. Fix up formatting.
11097 * alias.c (get_addr): Handle VALUE +/- CONST_SCALAR_INT_P.
11099 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
11101 PR lto/69133
11102 * cgraphunit.c (cgraph_node::expand_thunk): When forcing gimple
11103 assume that the node has body.
11104 * cgraph.c (cgraph_node::get_untransformed_body): Use gimple_body_p
11105 check.
11107 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
11109 * lto-streamer-out.c (lto_output): Do not stream instrumentation
11110 thunks.
11112 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
11114 * symtab.c (symtab_node::asm_name): Do not call printable name directly.
11115 (symtab_node::name): Report name as unnamed if DECL_NAME is not set.
11117 2016-01-19 Martin Jambor <mjambor@suse.cz>
11118 Martin Liska <mliska@suse.cz>
11119 Michael Matz <matz@suse.de>
11121 * Makefile.in (OBJS): Add new source files.
11122 (GTFILES): Add hsa.c.
11123 * common.opt (disable_hsa): New variable.
11124 (-Whsa): New warning.
11125 * config.in (ENABLE_HSA): New.
11126 * configure.ac: Treat hsa differently from other accelerators.
11127 (OFFLOAD_TARGETS): Define ENABLE_OFFLOADING according to
11128 $enable_offloading.
11129 (ENABLE_HSA): Define ENABLE_HSA according to $enable_hsa.
11130 * doc/install.texi (Configuration): Document --with-hsa-runtime,
11131 --with-hsa-runtime-include, --with-hsa-runtime-lib and
11132 --with-hsa-kmt-lib.
11133 * doc/invoke.texi (-Whsa): Document.
11134 (hsa-gen-debug-stores): Likewise.
11135 * lto-wrapper.c (compile_images_for_offload_targets): Do not attempt
11136 to invoke offload compiler for hsa acclerator.
11137 * opts.c (common_handle_option): Determine whether HSA offloading
11138 should be performed.
11139 * params.def (PARAM_HSA_GEN_DEBUG_STORES): New parameter.
11140 * builtin-types.def (BT_FN_VOID_UINT_PTR_INT_PTR): New.
11141 (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_INT_INT): Removed.
11142 (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): New.
11143 * gimple-low.c (lower_stmt): Also handle GIMPLE_OMP_GRID_BODY.
11144 * gimple-pretty-print.c (dump_gimple_omp_for): Also handle
11145 GF_OMP_FOR_KIND_GRID_LOOP.
11146 (dump_gimple_omp_block): Also handle GIMPLE_OMP_GRID_BODY.
11147 (pp_gimple_stmt_1): Likewise.
11148 * gimple-walk.c (walk_gimple_stmt): Likewise.
11149 * gimple.c (gimple_build_omp_grid_body): New function.
11150 (gimple_copy): Also handle GIMPLE_OMP_GRID_BODY.
11151 * gimple.def (GIMPLE_OMP_GRID_BODY): New.
11152 * gimple.h (enum gf_mask): Added GF_OMP_PARALLEL_GRID_PHONY,
11153 GF_OMP_FOR_KIND_GRID_LOOP, GF_OMP_FOR_GRID_PHONY and
11154 GF_OMP_TEAMS_GRID_PHONY.
11155 (gimple_statement_omp_single_layout): Updated comments.
11156 (gimple_build_omp_grid_body): New function.
11157 (gimple_has_substatements): Also handle GIMPLE_OMP_GRID_BODY.
11158 (gimple_omp_for_grid_phony): New function.
11159 (gimple_omp_for_set_grid_phony): Likewise.
11160 (gimple_omp_parallel_grid_phony): Likewise.
11161 (gimple_omp_parallel_set_grid_phony): Likewise.
11162 (gimple_omp_teams_grid_phony): Likewise.
11163 (gimple_omp_teams_set_grid_phony): Likewise.
11164 (gimple_return_set_retbnd): Also handle GIMPLE_OMP_GRID_BODY.
11165 * omp-builtins.def (BUILT_IN_GOMP_OFFLOAD_REGISTER): New.
11166 (BUILT_IN_GOMP_OFFLOAD_UNREGISTER): Likewise.
11167 (BUILT_IN_GOMP_TARGET): Updated type.
11168 * omp-low.c: Include symbol-summary.h, hsa.h and params.h.
11169 (adjust_for_condition): New function.
11170 (get_omp_for_step_from_incr): Likewise.
11171 (extract_omp_for_data): Moved parts to adjust_for_condition and
11172 get_omp_for_step_from_incr.
11173 (build_outer_var_ref): Handle GIMPLE_OMP_GRID_BODY.
11174 (fixup_child_record_type): Bail out if receiver_decl is NULL.
11175 (scan_sharing_clauses): Handle OMP_CLAUSE__GRIDDIM_.
11176 (scan_omp_parallel): Do not create child functions for phony
11177 constructs.
11178 (check_omp_nesting_restrictions): Handle GIMPLE_OMP_GRID_BODY.
11179 (scan_omp_1_op): Checking assert we are not remapping to
11180 ERROR_MARK. Also also handle GIMPLE_OMP_GRID_BODY.
11181 (parallel_needs_hsa_kernel_p): New function.
11182 (expand_parallel_call): Register apprpriate parallel child
11183 functions as HSA kernels.
11184 (grid_launch_attributes_trees): New type.
11185 (grid_attr_trees): New variable.
11186 (grid_create_kernel_launch_attr_types): New function.
11187 (grid_insert_store_range_dim): Likewise.
11188 (grid_get_kernel_launch_attributes): Likewise.
11189 (get_target_argument_identifier_1): Likewise.
11190 (get_target_argument_identifier): Likewise.
11191 (get_target_argument_value): Likewise.
11192 (push_target_argument_according_to_value): Likewise.
11193 (get_target_arguments): Likewise.
11194 (expand_omp_target): Call get_target_arguments instead of looking
11195 up for teams and thread limit.
11196 (grid_expand_omp_for_loop): New function.
11197 (grid_arg_decl_map): New type.
11198 (grid_remap_kernel_arg_accesses): New function.
11199 (grid_expand_target_kernel_body): New function.
11200 (expand_omp): Call it.
11201 (lower_omp_for): Do not emit phony constructs.
11202 (lower_omp_taskreg): Do not emit phony constructs but create for them
11203 a temporary variable receiver_decl.
11204 (lower_omp_taskreg): Do not emit phony constructs.
11205 (lower_omp_teams): Likewise.
11206 (lower_omp_grid_body): New function.
11207 (lower_omp_1): Call it.
11208 (grid_reg_assignment_to_local_var_p): New function.
11209 (grid_seq_only_contains_local_assignments): Likewise.
11210 (grid_find_single_omp_among_assignments_1): Likewise.
11211 (grid_find_single_omp_among_assignments): Likewise.
11212 (grid_find_ungridifiable_statement): Likewise.
11213 (grid_target_follows_gridifiable_pattern): Likewise.
11214 (grid_remap_prebody_decls): Likewise.
11215 (grid_copy_leading_local_assignments): Likewise.
11216 (grid_process_kernel_body_copy): Likewise.
11217 (grid_attempt_target_gridification): Likewise.
11218 (grid_gridify_all_targets_stmt): Likewise.
11219 (grid_gridify_all_targets): Likewise.
11220 (execute_lower_omp): Call grid_gridify_all_targets.
11221 (make_gimple_omp_edges): Handle GIMPLE_OMP_GRID_BODY.
11222 * tree-core.h (omp_clause_code): Added OMP_CLAUSE__GRIDDIM_.
11223 (tree_omp_clause): Added union field dimension.
11224 * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__GRIDDIM_.
11225 * tree.c (omp_clause_num_ops): Added number of arguments of
11226 OMP_CLAUSE__GRIDDIM_.
11227 (omp_clause_code_name): Added name of OMP_CLAUSE__GRIDDIM_.
11228 (walk_tree_1): Handle OMP_CLAUSE__GRIDDIM_.
11229 * tree.h (OMP_CLAUSE_GRIDDIM_DIMENSION): New.
11230 (OMP_CLAUSE_SET_GRIDDIM_DIMENSION): Likewise.
11231 (OMP_CLAUSE_GRIDDIM_SIZE): Likewise.
11232 (OMP_CLAUSE_GRIDDIM_GROUP): Likewise.
11233 * passes.def: Schedule pass_ipa_hsa and pass_gen_hsail.
11234 * tree-pass.h (make_pass_gen_hsail): Declare.
11235 (make_pass_ipa_hsa): Likewise.
11236 * ipa-hsa.c: New file.
11237 * lto-section-in.c (lto_section_name): Add hsa section name.
11238 * lto-streamer.h (lto_section_type): Add hsa section.
11239 * timevar.def (TV_IPA_HSA): New.
11240 * hsa-brig-format.h: New file.
11241 * hsa-brig.c: New file.
11242 * hsa-dump.c: Likewise.
11243 * hsa-gen.c: Likewise.
11244 * hsa.c: Likewise.
11245 * hsa.h: Likewise.
11246 * toplev.c (compile_file): Call hsa_output_brig.
11247 * hsa-regalloc.c: New file.
11249 2016-01-18 Jeff Law <law@redhat.com>
11251 PR tree-optimization/69320
11252 * tree-ssa-dom.c (record_edge_info): For comparisons against a boolean
11253 ranged object, do nothing if the RHS constant is not [0..1].
11254 (optimize_stmt): Comparing a boolean ranged object against a
11255 constant outside [0..1] results in a compile-time constant.
11257 * tree-ssanames.c (ssa_name_has_boolean_range): Remove unnecessary
11258 test.
11260 2016-01-18 Sandra Loosemore <sandra@codesourcery.com>
11262 * doc/invoke.texi (Invoking GCC): Add new section to menu.
11263 (Option Summary): Update to reflect new section and moved options.
11264 (C++ Dialect Options): Move -fstats to new section.
11265 (Debugging Options): Move all dump, statistics, and other GCC
11266 developer options to new section. Rewrite section introduction
11267 and re-order remaining options to put the more basic ones first.
11268 (Optimization Options): Move -fira-verbose and -flto-report* to
11269 new section.
11270 (Developer Options): New section incorporating moved options.
11271 * doc/cppopts.texi (-dM): Update cross-reference.
11273 2016-01-18 Richard Henderson <rth@redhat.com>
11275 PR target/69176
11276 * config/aarch64/aarch64.md (add<GPI>3): Move long immediate
11277 operands to pseudo only if CSE is expected. Split long immediate
11278 operands only after reload, and for the stack pointer.
11279 (*add<GPI>3_pluslong): Remove.
11280 (*addsi3_aarch64, *adddi3_aarch64): Merge into...
11281 (*add<GPI>3_aarch64): ... here. Add r/rk/Upl alternative.
11282 (*addsi3_aarch64_uxtw): Add r/rk/Upl alternative.
11283 (*add<GPI>3 peepholes): New.
11284 (*add<GPI>3 splitters): New.
11285 * config/aarch64/constraints.md (Upl): New.
11286 * config/aarch64/predicates.md (aarch64_pluslong_strict_immedate): New.
11288 2016-01-18 Richard Biener <rguenther@suse.de>
11290 PR tree-optimization/69297
11291 * tree-vect-slp.c (vect_bb_slp_scalar_cost): Count each scalar
11292 stmt at most once.
11293 (vect_bb_vectorization_profitable_p): Clear visited flag again.
11295 2016-01-18 Yuri Rumyantsev <ysrumyan@gmail.com>
11297 PR middle-end/68542
11298 * fold-const.c (fold_binary_op_with_conditional_arg): Bail out for case
11299 of mixind vector and scalar types.
11300 (fold_relational_const): Add handling of vector
11301 comparison with boolean result.
11302 * tree-cfg.c (verify_gimple_comparison): Add argument CODE, allow
11303 comparison of vector operands with boolean result for EQ/NE only.
11304 (verify_gimple_assign_binary): Adjust call for verify_gimple_comparison.
11305 (verify_gimple_cond): Likewise.
11306 * tree-vrp.c (extract_code_and_val_from_cond_with_ops): Modify check on
11307 valid type of VAL.
11309 2016-01-18 Joseph Myers <joseph@codesourcery.com>
11311 * config/mips/mips.h (ISA_HAS_PAIRED_SINGLE): Require
11312 !TARGET_OCTEON.
11314 2016-01-18 Richard Biener <rguenther@suse.de>
11316 PR middle-end/69308
11317 * gimple.c (gimple_could_trap_p_1): Handle GIMPLE_COND.
11319 2016-01-18 Tom de Vries <tom@codesourcery.com>
11321 * passes.def: Add pass_parallelize_loops to pass_oacc_kernels.
11323 2016-01-18 Tom de Vries <tom@codesourcery.com>
11325 * omp-low.c (set_oacc_fn_attrib): Make extern.
11326 * omp-low.h (set_oacc_fn_attrib): Declare.
11327 * tree-parloops.c (struct reduction_info): Add reduc_addr field.
11328 (create_call_for_reduction_1): Handle case that reduc_addr is non-NULL.
11329 (create_parallel_loop, gen_parallel_loop, try_create_reduction_list):
11330 Add and handle function parameter oacc_kernels_p.
11331 (find_reduc_addr, get_omp_data_i_param): New function.
11332 (ref_conflicts_with_region, oacc_entry_exit_ok_1)
11333 (oacc_entry_exit_single_gang, oacc_entry_exit_ok): New function.
11334 (parallelize_loops): Add and handle function parameter oacc_kernels_p.
11335 Calculate dominance info. Skip loops that are not in a kernels region
11336 in oacc_kernels_p mode. Skip inner loops of parallelized loops.
11337 (pass_parallelize_loops::execute): Call parallelize_loops with
11338 oacc_kernels_p argument.
11339 (pass_parallelize_loops::clone, pass_parallelize_loops::set_pass_param):
11340 New member function.
11341 (pass_parallelize_loops::bool oacc_kernels_p): New member var.
11342 * passes.def: Add argument to pass_parallelize_loops instantation.
11344 2016-01-18 Tom de Vries <tom@codesourcery.com>
11346 * tree-parloops.c (pass_parallelize_loops::execute): Allow
11347 pass_parallelize_loops to be run outside the loop pipeline.
11349 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
11351 * tree-scalar-evolution.c (follow_copies_to_constant): New.
11352 (analyze_initial_condition, analyze_scalar_evolution_1): Call previous.
11354 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
11356 PR target/63679
11357 * tree-ssa-scopedtables.c (avail_expr_hash): Hash MEM_REF and ARRAY_REF
11358 using get_ref_base_and_extent.
11359 (equal_mem_array_ref_p): New.
11360 (hashable_expr_equal_p): Add call to previous.
11362 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
11364 PR target/63679
11365 * tree-sra.c (disqualified_constants, constant_decl_p): New.
11366 (sra_initialize): Allocate disqualified_constants.
11367 (sra_deinitialize): Free disqualified_constants.
11368 (disqualify_candidate): Update disqualified_constants when appropriate.
11369 (create_access): Scan for constant-pool entries as we go along.
11370 (scalarizable_type_p): Add check against type_contains_placeholder_p.
11371 (maybe_add_sra_candidate): Allow constant-pool entries.
11372 (load_assign_lhs_subreplacements): Bind debug for constant pool vars.
11373 (initialize_constant_pool_replacements): New.
11374 (sra_modify_assign): Avoid mangling assignments created by previous,
11375 and don't generate writes into constant pool.
11376 (sra_modify_function_body): Call initialize_constant_pool_replacements.
11378 2016-01-18 Ilya Enkovich <enkovich.gnu@gmail.com>
11380 * config/i386/i386.c (scalar_to_vector_candidate_p): Support
11381 andnot instruction.
11382 (scalar_chain::convert_op): Likewise.
11383 * config/i386/i386.md (*andndi3_doubleword): New.
11385 2016-01-18 Richard Biener <rguenther@suse.de>
11387 PR tree-optimization/69170
11388 * tree-vect-slp.c (vect_build_slp_tree): Verify we are not
11389 building a vector from scalar results of a pattern stmt.
11391 2016-01-18 Jakub Jelinek <jakub@redhat.com>
11393 * haifa-sched.c (autopref_multipass_init): Work around
11394 -Wmaybe-uninitialized warning.
11396 2016-01-18 Thomas Preud'homme <thomas.preudhomme@arm.com>
11398 * config/arm/arm.c (thumb1_reorg): Check that the comparison is
11399 against the constant 0.
11401 2016-01-17 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
11403 PR tree-optimization/68799
11404 * gimple-ssa-strength-reduction.c (create_phi_basis): Directly
11405 look up phi candidates in the statement-candidate map.
11406 (phi_add_costs): Likewise.
11407 (record_phi_increments): Likewise.
11408 (phi_incr_cost): Likewise.
11409 (ncd_with_phi): Likewise.
11410 (all_phi_incrs_profitable): Likewise.
11412 2016-01-17 Jakub Jelinek <jakub@redhat.com>
11414 * omp-low.c (mark_loops_in_oacc_kernels_region): Work around
11415 -Wmaybe-uninitialized warning.
11417 2016-01-16 Sandra Loosemore <sandra@codesourcery.com>
11419 * doc/invoke.texi (Invoking GCC): Add new section to menu.
11420 (Option Summary): Update to reflect new section and moved options.
11421 (C++ Dialect Options): Move -fvtable-verify and related options.
11422 (Debugging Options): Move Sanitizer, Pointer Bounds Checker,
11423 and profiling-related options.
11424 (Optimization Options): Move profile generation options and
11425 -fstack-protector and related options.
11426 (Instrumentation Options): New section incorporating moved options.
11427 (Code Generation Options): Move -finstrument-functions and
11428 related options, -fstack-check, -fstack-limit*, and -fbounds-check.
11430 2016-01-16 Tom de Vries <tom@codesourcery.com>
11432 * passes.def: Move pass_expand_omp_ssa out of pass_parallelize_loops.
11434 2016-01-16 Tom de Vries <tom@codesourcery.com>
11436 * omp-low.c (expand_omp_atomic_fetch_op): Release defs of update stmt.
11438 2016-01-16 Richard Sandiford <richard.sandiford@arm.com>
11440 * hash-table.h (hash_table::empty): Turn into an inline wrapper
11441 that checks whether the table is already empty. Rename the
11442 original implementation to...
11443 (hash_table::empty_slot): ...this new private function.
11445 2016-01-15 David Malcolm <dmalcolm@redhat.com>
11447 PR diagnostic/68899
11448 * diagnostic-show-locus.c (layout::print_source_line): Move x
11449 offset of line until after call to
11450 get_line_width_without_trailing_whitespace.
11452 2016-01-15 Jeff Law <law@redhat.com>
11454 PR tree-optimization/69270
11455 * tree-ssanames.c (ssa_name_has_boolean_range): Moved here from
11456 tree-ssa-dom.c. Improve test for [0..1] ranve from VRP.
11457 * tree-ssa-dom.c (ssa_name_has_boolean_range): Remove.
11458 * tree-ssanames.h (ssa_name_has_boolean_range): Prototype.
11459 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
11460 ssa_name_has_boolean_range and constant_boolean_node.
11462 2016-01-15 Vladimir Makarov <vmakarov@redhat.com>
11464 PR rtl-optimization/69030
11465 * lra-spills.c (remove_pseudos): Check nrefs and make the function
11466 returning bool.
11467 (spill_pseudos): Delete debug insn for dead pseudo.
11468 (lra_spill): Initiate spill_hard_reg and slots memory separately.
11470 2016-01-15 Jiong Wang <jiong.wang@arm.com>
11472 * config/aarch64/aarch64-builtins.c (aarch64_types_unopus_qualifiers):
11473 New.
11474 (TYPES_UNOPUS): Likewise.
11475 * config/aarch64/aarch64-simd-builtins.def (lbtruncuv2sf): Correct
11476 builtin type, from UNOP to UNOPUS.
11477 (lbtruncuv4sf): Likewise.
11478 (lbtruncuv2df): Likewise.
11479 (lrounduv2sf): Likewise.
11480 (lrounduv4sf): Likewise.
11481 (lrounduv2df): Likewise.
11482 (lroundusf): Likewise.
11483 (lroundusf): Likewise.
11484 (lceiluv2sf): Likewise.
11485 (lceiluv4sf): Likewise.
11486 (lceiluv2df): Likewise.
11487 (lceilusf): Likewise.
11488 (lceiludf): Likewise.
11489 (lflooruv2sf): Likewise.
11490 (lflooruv4sf): Likewise.
11491 (lflooruv2df): Likewise.
11492 (lfloorusf): Likewise.
11493 (lfloorudf): Likewise.
11494 (lfrintnuv2sf): Likewise.
11495 (lfrintnuv4sf): Likewise.
11496 (lfrintnuv2df): Likewise.
11497 (lfrintnusf): Likewise.
11498 (lfrintnudf): Likewise.
11499 * config/aarch64/arm_neon.h (vcvt_u32_f32): Remove unncessary type
11500 conversion.
11501 (vcvtq_u32_f32): Likewise.
11502 (vcvtq_u64_f64): Likewise.
11503 (vcvta_u32_f32): Likewise.
11504 (vcvtaq_u32_f32): Likewise.
11505 (vcvtaq_u64_f64): Likewise.
11506 (vcvtm_u32_f32): Likewise.
11507 (vcvtmq_u32_f32): Likewise.
11508 (vcvtmq_u64_f64): Likewise.
11509 (vcvtn_u32_f32): Likwise.
11510 (vcvtnq_u32_f32): Likewise.
11511 (vcvtnq_u64_f64): Likewise.
11512 (vcvtp_u32_f32): Likewise.
11513 (vcvtpq_u32_f32): Likewise.
11514 (vcvtpq_u64_f64): Likewise.
11515 (vcvtmd_u64_f64): Likewise.
11516 (vcvtms_u32_f32): Likewise.
11517 (vcvtad_u64_f64): Likewise.
11518 (vcvtas_u32_f32): Likewise.
11519 (vcvtnd_u64_f64): Likewise.
11520 (vcvtns_u32_f32): Likewise.
11521 (vcvtpd_u64_f64): Likewise.
11522 (vcvtps_u32_f32): Likewise.
11524 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
11526 * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Handle
11527 CSEL of zero_extended registers.
11529 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
11531 * config/aarch64/aarch64.c (aarch64_rtx_costs, COMPARE case):
11532 Handle COMPARE of ZERO_EXTRACT against zero form of TST-immediate.
11534 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
11536 * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Return
11537 false when argument string is not found in the attributes table
11538 at all.
11540 2016-01-15 David Edelsohn <dje.gcc@gmail.com>
11542 PR target/68609
11543 * config/rs6000/rs6000.c (rs6000_emit_msub): Delete.
11544 (rs6000_emit_swsqrt): Convert to Goldschmidt's Algorithm
11545 * config/rs6000/rs6000.md (sqrt<mode>2): Limit swsqrt to high
11546 precision estimate.
11548 2016-01-15 Richard Biener <rguenther@suse.de>
11550 PR tree-optimization/66856
11551 * tree-vect-loop.c (vect_transform_loop): Free SLP instances here.
11552 * tree-vect-slp.c (vect_free_slp_tree): Decrement stmt reference count.
11553 (vect_create_new_slp_node): Increment stmt reference count.
11554 (vect_get_and_check_slp_defs): Make sure stmts are nor already in
11555 an SLP tree before swapping operands.
11556 (vect_build_slp_tree): Likewise.
11557 (destroy_bb_vec_info): Free stmt info after SLP instances.
11558 * tree-vect-stmts.c (new_stmt_vec_info): Initialize reference count.
11559 * tree-vectorizer.h (struct _stmt_vec_info): Add num_slp_uses field.
11560 (STMT_VINFO_NUM_SLP_USES): New macro.
11562 2016-01-15 Richard Biener <rguenther@suse.de>
11564 PR debug/69137
11565 * dwarf2out.c (add_linkage_name_raw): New function split out from ...
11566 (add_linkage_name): ... here.
11567 (gen_typedef_die): Use add_linkage_name_raw instead of
11568 add_linkage_attr to delay DECL_ASSEMBLER_NAME computation
11569 if necessary.
11571 2016-01-15 Cesar Philippidis <cesar@codesourcery.com>
11573 * gimplify.c (oacc_default_clause): Decode reference and pointer
11574 types for both kernels and parallel regions.
11576 2016-01-15 Richard Sandiford <richard.sandiford@arm.com>
11578 PR middle-end/69246
11579 * calls.c (emit_call_1): Force n_popped to zero for sibcalls.
11581 2016-01-15 Ilya Enkovich <enkovich.gnu@gmail.com>
11583 * config/i386/i386.c (scalar_chain::compute_convert_gain): Fix typo.
11584 (convert_scalars_to_vector): Likewise.
11586 2016-01-15 Jonathan Wakely <jwakely@redhat.com>
11588 * doc/extend.texi (Type Traits): Fix grammar.
11590 2016-01-15 Martin Jambor <mjambor@suse.cz>
11592 * tree-inline.c (remap_decl): Use existing dclarations if
11593 remapping a type and prevent_decl_creation_for_types.
11594 (replace_locals_stmt): Do an initial remapping of non-VLA typed
11595 decls first. Do real remapping with
11596 prevent_decl_creation_for_types set.
11597 * tree-inline.h (copy_body_data): New field
11598 prevent_decl_creation_for_types, moved remap_var_for_cilk to avoid
11599 padding.
11601 2016-01-15 Dominik Vogt <vogt@linux.vnet.ibm.com>
11603 * config/s390/s390.opt (mmvcle): More verbose help text.
11605 2016-01-15 Dominik Vogt <vogt@linux.vnet.ibm.com>
11607 * config/s390/s390.opt: Add period to -mzvector option text.
11609 2016-01-15 Richard Biener <rguenther@suse.de>
11611 PR tree-optimization/68961
11612 * tree-vect-slp.c (vect_analyze_slp_cost_1): Consider cost
11613 of invariants in stores again.
11615 2016-01-15 Sebastian Huber <sebastian.huber@embedded-brains.de>
11617 * config/arm/t-rtems: Add cortex-m7/fpv5-d16 multilib.
11619 2016-01-15 Ilya Enkovich <enkovich.gnu@gmail.com>
11621 * config/i386/i386.c (ix86_expand_branch): Don't split
11622 DI mode xor instruction to SI mode.
11624 2016-01-15 Jan Hubicka <hubicka@ucw.cz>
11626 PR ipa/68148
11627 * ipa-icf.c (sem_function::merge): Virtual functions may become
11628 reachable even if they address is not taken and there are no
11629 idrect calls.
11631 2016-01-15 Jan Hubicka <hubicka@ucw.cz>
11633 * lto-streamer-out.c (subtract_estimated_size): New function.
11634 (get_symbol_initial_value): Use it.
11636 2016-01-15 Christian Bruel <christian.bruel@st.com>
11638 PR target/65837
11639 * config/arm/arm-builtins.c (ARM_BUILTIN_CRYPTO_BASE): New enum tag.
11640 (arm_init_neon_builtins_internal): Rename arm_init_neon_builtins,
11641 (arm_init_crypto_builtins_internal): Rename arm_init_crypto_builtins.
11642 use add_builtin_function_ext_scope instead of add_builtin_function.
11643 (neon_set_p, neon_crypto_set_p): Remove.
11644 (arm_init_builtins): Always call arm_init_neon_builtins and
11645 arm_init_crypto_builtins.
11646 (arm_expand_builtin): Check that builtins are allowed for the arch.
11647 * config/arm/arm-protos.h (arm_init_neon_builtins): Remove prototype.
11648 * config/arm/arm.c (arm_valid_target_attribute_tree): Remove
11649 arm_init_neon_builtins call.
11651 2016-01-15 Richard Biener <rguenther@suse.de>
11653 PR tree-optimization/69117
11654 * tree-ssa-sccvn.h (struct vn_ssa_aux): Add info member.
11655 * tree-ssa-sccvn.c (set_ssa_val_to): Save and adjust SSA name info
11656 of the leader conservatively.
11657 (free_scc_vn): Restore original SSA name infos.
11659 2016-01-14 Jeff Law <law@redhat.com>
11661 PR tree-optimization/69270
11662 * tree-ssa-dom.c (ssa_name_has_boolean_range): If the type has a
11663 single bit of precision, verify it's also unsigned.
11664 (record_edge_info): Use constant_boolean_node rather than fold_convert
11665 to convert boolean_true/boolean_false to the right type.
11667 2016-01-14 Richard Henderson <rth@redhat.com>
11669 PR rtl-opt/69014
11670 * loop-doloop.c (record_reg_sets): New.
11671 (doloop_optimize): Reject the transform if the sequence
11672 clobbers registers live at the end of the loop block.
11673 (doloop_optimize_loops): Enable df_live if needed.
11675 2016-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
11677 * config/rs6000/rs6000-builtin.def: Revert 2016-01-13 change.
11678 * gcc/config/rs6000/rs6000.c: Likewise.
11679 * gcc/config/rs6000/rs6000.h: Likewise.
11680 * gcc/config/rs6000/rs6000.md: Likewise.
11681 * gcc/doc/extend.texi: Likewsie.
11683 2016-01-14 Jeff Law <law@redhat.com>
11685 * tree-ssa-dom.c (ssa_name_has_boolean_range): Fix comment
11686 typo.
11688 2016-01-14 Richard Henderson <rth@redhat.com>
11690 PR c/69272
11691 PR tree-opt/68964
11692 * trans-mem.c (tm_log_emit_stmt): Fix unit size to bit size.
11693 * tree.c (build_tm_vector_builtins): Use builtin_decl_explicit_p
11694 instead of builtin_decl_declared_p to test for declaration.
11696 2016-01-14 Nicklas Bo Jensen <nbjensen@gmail.com>
11698 * doc/loop.texi (Loop Analysis and Representation): Document
11699 loop_depth function.
11701 2016-01-14 Tom de Vries <tom@codesourcery.com>
11703 PR tree-optimization/68773
11704 * omp-low.c (expand_omp_target): Don't set force_output.
11705 * varpool.c (varpool_node::get_create): Same.
11706 * lto-cgraph.c (input_offload_tables): Mark entries in offload_vars and
11707 offload_funcs with force_output.
11709 2016-01-14 Jakub Jelinek <jakub@redhat.com>
11711 PR debug/69244
11712 * lra-eliminations.c (move_plus_up): Don't change anything if either
11713 the outer or inner subreg mode is not MODE_INT.
11714 * dwarf2out.c (mem_loc_descriptor): For SUBREG, if outer mode is
11715 integral <= DWARF2_ADDR_SIZE, convert to untyped afterwards.
11717 2016-01-14 Alan Lawrence <alan.lawrence@arm.com>
11719 * doc/md.texi (reduc_smin_@var{m}, reduc_smax_@var{m},
11720 reduc_umin_@var{m}, reduc_umax_@var{m}, reduc_splus_@var{m},
11721 reduc_uplus_@var{m}): Remove.
11722 * expr.c (expand_expr_real_2): Remove expansion path for
11723 reduc_[us](min|max|plus) optabs.
11724 * optabs-tree.c (scalar_reduc_to_vector): Remove.
11725 * optabs-tree.h (scalar_reduc_to_vector): Remove.
11726 * optabs.def (reduc_smax_optab, reduc_smin_optab, reduc_splus_optab,
11727 reduc_umax_optab, reduc_umin_optab, reduc_uplus_optab): Remove.
11728 * tree-vect-loop.c (vectorizable_reduction): Remove test for
11729 reduc_[us](min|max|plus) optabs.
11731 2016-01-14 Alan Lawrence <alan.lawrence@arm.com>
11733 * config/mips/mips-ps-3d.md (reduc_splus_v2sf): Remove.
11734 (reduc_plus_scal_v2sf): New.
11735 (reduc_smax_v2sf): Rename to...
11736 (reduc_smax_scal_v2sf): ...here, make result SFmode, add vec_extract.
11737 (reduc_smin_v2sf): Rename to...
11738 (reduc_smin_scal_v2sf): ...here, make result SFmode, add vec_extract.
11740 2016-01-14 Jan Hubicka <hubicka@ucw.cz>
11742 * alias.c (compare_base_symbol_refs): New function.
11743 (rtx_equal_for_memref_p, base_alias_check, memrefs_conflict_p): Use
11744 it.
11746 2016-01-14 Jakub Jelinek <jakub@redhat.com>
11748 PR middle-end/68146
11749 PR tree-optimization/69155
11750 * tree-complex.c: Include cfganal.h.
11751 (phis_to_revisit): New variable.
11752 (extract_component): Add phiarg_p argument. Assert that returned
11753 SSA_NAME has non-NULL SSA_NAME_DEF_STMT unless phiarg_p is true.
11754 (update_phi_components): Partly rewrite to use loop over real/imag
11755 components instead of code duplication. If extract_component returns
11756 SSA_NAME with NULL SSA_NAME_DEF_STMT, store SSA_NAME_VAR or
11757 create_tmp_reg into the PHI node instead, and mention the phi triplet
11758 in phis_to_revisit.
11759 (tree_lower_complex): Walk bbs in rpo order. Adjust phis recorded
11760 in phis_to_revisit at the end.
11762 2016-01-14 Richard Biener <rguenther@suse.de>
11764 PR tree-optimization/68060
11765 * tree-vect-loop.c (vect_is_simple_reduction): Check the
11766 outer loop reduction is only used in the inner loop before
11767 detecting a double reduction.
11769 2016-01-14 Jakub Jelinek <jakub@redhat.com>
11771 PR target/68269
11772 * combine.c (expand_field_assignment): Punt if compute_mode is
11773 unsupported scalar mode.
11775 2016-01-14 Richard Biener <rguenther@suse.de>
11777 PR tree-optimization/66856
11778 * tree-vect-slp.c (vect_build_slp_tree): Refactor to build
11779 SLP node only if it built successfully.
11780 (vect_analyze_slp_instance): Adjust.
11782 2016-01-14 Jeff Law <law@redhat.com>
11784 PR tree-optimization/69270
11785 * tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
11786 (record_edge_info): Use it. Convert boolean_{true,false}_node
11787 to the type of op0.
11789 2016-01-13 Jan Hubicka <hubicka@ucw.cz>
11791 PR ipa/66487
11792 * ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p):
11793 use block_ultimate_origin
11794 (noncall-stmt_may_be_vtbl_ptr_store): Likewise.
11796 2016-01-13 Sandra Loosemore <sandra@codesourcery.com>
11798 * doc/invoke.texi (Submodel Options): Rename section to
11799 "Machine-Dependent Options" to better reflect its content.
11800 Rewrite introductory text to remove archaic CPU names.
11801 Update references.
11803 2016-01-13 Sandra Loosemore <sandra@codesourcery.com>
11805 * doc/invoke.texi (Code Gen Options): Move section up in file,
11806 before target-specific options. Update menu and option summary
11807 to reflect the new section ordering.
11809 2016-01-13 Jonathan Wakely <jwakely@redhat.com>
11811 * doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
11812 (C++ Dialect Options): Add cross-reference to -std option.
11813 * doc/standards.texi (C++ Language): Document C++14 support.
11815 2016-01-13 Michael Meissner <meissner@linux.vnet.ibm.com>
11817 * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): Add support
11818 for pack/unpack functions for __ibm128.
11819 (PACK_IF): Likewise.
11820 (UNPACK_IF): Likewise.
11822 * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
11823 support for __ibm128 pack/unpack functions.
11824 (rs6000_invalid_builtin): Likewise.
11825 (rs6000_init_builtins): Likewise.
11826 (rs6000_opt_masks): Likewise.
11828 * config/rs6000/rs6000.h (MASK_FLOAT128): Add short name.
11829 (RS6000_BTM_FLOAT128): Add support for __ibm128 pack/unpack
11830 functions
11831 (RS6000_BTM_COMMON): Likewise.
11833 * config/rs6000/rs6000.md (f128_vsx): New mode attribute.
11834 (unpack<mode>): Use FMOVE128_FPR iterator instead of FMOVE128, to
11835 disallow __builtin_{pack,unpack}_longdouble if long double is IEEE
11836 128-bit floating point. Add support for the double values to be
11837 in Altivec registers for TF/IF packing and unpacking, but restrict
11838 TD packing sub-fields to be FPR registers. Don't allow overlapped
11839 register support for packing. Allow pack inputs to be memory
11840 locations. Don't build generator functions for unpack<mode>_dm
11841 and unpack<mode>_nodm.
11842 (unpack<mode>_dm): Likewise.
11843 (unpack<mode>_nodm): Likewise.
11844 (pack<mode>): Likewise.
11846 * config/rs6000/rs6000-builtin.def (__builtin_pack_ibm128): Add
11847 built-in functions to pack/unpack explicit __ibm128 values.
11848 (__builtin_unpack_ibm128): Likewise.
11850 * doc/extend.texi (PowerPC Built-in Functions): Document
11851 __builtin_pack_ibm128 and __builtin_unpack_ibm128.
11853 2016-01-13 Bernd Schmidt <bschmidt@redhat.com>
11855 PR c/66208
11856 * c-common.c (check_function_nonnull): Remove unnecessary declaration.
11857 Add new arg loc and pass it down as context.
11858 (check_nonnull_arg): Don't mark ctx arg as unused. Use it as a pointer
11859 to the location to use for the warning.
11860 (check_function_arguments): New arg loc. All callers changed. Pass
11861 it to check_function_nonnull.
11862 * c-common.h (check_function_arguments): Adjust declaration.
11864 2016-01-13 Jakub Jelinek <jakub@redhat.com>
11866 PR tree-optimization/69156
11867 * gimple.c (validate_type): Removed.
11868 (gimple_builtin_call_types_compatible_p): Use
11869 useless_type_conversion_p instead of validate_type.
11870 * value-prof.c (gimple_stringop_fixed_value): Fold
11871 icall_size to correct type.
11873 2016-01-13 Jonathan Wakely <jwakely@redhat.com>
11875 * doc/extend.texi (__atomic Builtins): Clarify compare_exchange
11876 effects.
11878 2016-01-13 Richard Henderson <rth@redhat.com>
11880 PR tree-opt/68964
11881 * target.def (builtin_tm_load, builtin_tm_store): Remove.
11882 * config/i386/i386.c (ix86_builtin_tm_load): Remove.
11883 (ix86_builtin_tm_store): Remove.
11884 (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
11885 (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
11886 * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
11887 (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
11888 * doc/tm.texi: Rebuild.
11890 * gtm-builtins.def (BUILT_IN_TM_MEMCPY_RNWT): New.
11891 (BUILT_IN_TM_MEMCPY_RTWN): New.
11892 * trans-mem.c (tm_log_emit_stmt): Rearrange code for better
11893 fallback from vector to integer helpers.
11894 (build_tm_load): Handle vector types directly, instead of
11895 via target hook.
11896 (build_tm_store): Likewise.
11897 (expand_assign_tm): Prepare for register types not handled by
11898 the above. Copy them to memory and use memcpy.
11899 * tree.c (tm_define_builtin): New.
11900 (find_tm_vector_type): New.
11901 (build_tm_vector_builtins): New.
11902 (build_common_builtin_nodes): Call it.
11904 2016-01-13 Uros Bizjak <ubizjak@gmail.com>
11906 * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Return -1 for
11907 TARGET_SSE_MATH without TARGET_SSE2. Rewrite.
11909 2016-01-13 Tom de Vries <tom@codesourcery.com>
11911 PR tree-optimization/69169
11912 * tree-ssa-structalias.c (create_variable_info_for_1): Add and handle
11913 handled_struct_type param.
11914 (create_variable_info_for, intra_create_variable_infos): Call
11915 create_variable_info_for_1 with extra arg.
11917 2016-01-13 Yvan Roux <yvan.roux@linaro.org>
11919 * config/arm/arm-arches.def: Remove spurious whitespace in "armv8.1-a"
11920 and "armv8.1-a+crc" entries.
11922 2016-01-13 Alexander Fomin <alexander.fomin@intel.com>
11924 PR target/69228
11925 * config/i386/sse.md (define_expand "avx512pf_gatherpf<mode>sf"):
11926 Change first operand predicate from register_or_constm1_operand
11927 to register_operand.
11928 (define_expand "avx512pf_gatherpf<mode>df"): Likewise.
11929 (define_expand "avx512pf_scatterpf<mode>sf"): Likewise.
11930 (define_expand "avx512pf_scatterpf<mode>df"): Likewise.
11931 (define_insn "*avx512pf_gatherpf<mode>sf"): Remove.
11932 (define_insn "*avx512pf_gatherpf<mode>df"): Likewise.
11933 (define_insn "*avx512pf_scatterpf<mode>sf"): Likewise.
11934 (define_insn "*avx512pf_scatterpf<mode>df"): Likewise.
11935 * config/i386/i386.c (ix86_expand_builtin): Remove first operand
11936 comparison with constm1_rtx from vec_prefetch_gen part.
11938 2016-01-13 Richard Biener <rguenther@suse.de>
11940 PR tree-optimization/69013
11941 * tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths):
11942 Exchange assert for a test.
11944 2016-01-13 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
11946 PR target/69247
11947 * config/s390/s390.md (bswaphi splitter): Use simplify_gen_subreg.
11949 2016-01-13 Richard Biener <rguenther@suse.de>
11951 PR tree-optimization/69242
11952 * tree-ssa-sccvn.c (visit_reference_op_load): Replace bogus
11953 assert with a check.
11955 2016-01-13 Richard Biener <rguenther@suse.de>
11957 PR tree-optimization/69186
11958 * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
11959 Properly guard vect_update_misalignment_for_peel call.
11961 2016-01-12 Jeff Law <law@redhat.com>
11963 PR tree-optimization/pr67755
11964 * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add new field
11965 "need_profile_correction".
11966 (thread_block_1): Initialize new field to false by default. If we
11967 have multiple thread paths through a common joiner to different
11968 final targets, then set new field to true.
11969 (compute_path_counts): Only do count adjustment when it's really
11970 needed.
11972 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
11974 * doc/invoke.texi (Spec Files): Move section down in file, past
11975 all command-line option descriptions.
11977 2016-01-12 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
11979 PR middle-end/54809
11980 * doc/gty.texi: Remove documentation of mark_hook.
11981 * gengtype.c (struct write_types_data): Remove code to support
11982 mark_hook attribute.
11983 (walk_type): Likewise.
11984 (write_func_for_structure): Likewise.
11986 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
11988 * doc/invoke.texi (Option Summary) Move -no-canonical-prefixes to
11989 Directory Options, and -specs= to Overall Options.
11990 (Overall Options): Adjust similarly. Reorder to group related
11991 options together. Make -specs= cross-reference the spec file details.
11992 (Directory Options): Adjust similarly.
11994 2016-01-12 Jeff Law <law@redhat.com>
11996 * tree-ssa-threadupdate.c: Various whitespace and typo fixes.
11998 2016-01-12 Olivier Hainque <hainque@adacore.com>
12000 * gcc.c (spec_undefvar_allowed): New global.
12001 (process_command): Set to true when running for --version or --help,
12002 alone or together.
12003 (getenv_spec_function): When the variable is not defined, use the
12004 variable name as the variable value if we're allowed not to issue
12005 a fatal error.
12007 2016-01-12 Bin Cheng <bin.cheng@arm.com>
12009 PR tree-optimization/68911
12010 * tree-vrp.c (adjust_range_with_scev): Check overflow in range
12011 information computed for expression "init + nit * step".
12013 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
12015 * doc/invoke.texi (Invoking GCC): Copy-edit. Incorporate information
12016 about name of GCC executable. Remove deleted node from menu.
12017 (Directory Options) <-B>: Remove cross-reference to deleted node.
12018 (Target Options): Delete section.
12020 2016-01-12 Christian Bruel <christian.bruel@st.com>
12022 PR target/69180
12023 * config/arm/arm-c.c (arm_pragma_target_parse): Set NODE_CONDITIONAL
12024 for __ARM_NEON_FP, __ARM_FP, _ARM_FEATURE_LDREX.
12026 2016-01-12 Jakub Jelinek <jakub@redhat.com>
12028 PR target/69198
12029 * config/i386/i386.c (ix86_expand_special_args_builtin): Ensure
12030 aligned_mem is properly set for AVX512-VL floating point masked
12031 stores.
12033 PR target/69175
12034 * ifcvt.c (cond_exec_process_if_block): When removing the last
12035 insn from then_bb, remove also any possible barriers that follow it.
12037 2016-01-12 H.J. Lu <hongjiu.lu@intel.com>
12039 PR target/68456
12040 PR target/69226
12041 * config/i386/iamcu.h (SIZE_TYPE): New macro.
12042 (PTRDIFF_TYPE): Likewise.
12043 (WCHAR_TYPE): Likewise.
12044 (WCHAR_TYPE_SIZE): Likewise.
12045 (STDINT_LONG32): Likewise.
12047 2016-01-12 Richard Biener <rguenther@suse.de>
12049 PR tree-optimization/69053
12050 * tree-vect-loop.c (get_initial_def_for_reduction): Properly
12051 convert initial value for cond reductions.
12053 2016-01-12 Richard Biener <rguenther@suse.de>
12055 PR tree-optimization/69007
12056 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Move
12057 widen_sum after dot_prod and sad.
12059 2016-01-12 Richard Biener <rguenther@suse.de>
12061 PR tree-optimization/69168
12062 * tree-vect-loop.c (vect_analyze_loop_2): Reset both main and
12063 pattern stmt SLP type.
12064 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Patterns may
12065 end up unused so cope with that case.
12067 2016-01-12 Richard Biener <rguenther@suse.de>
12069 PR tree-optimization/69157
12070 * tree-vect-stmts.c (vectorizable_mask_load_store): Check
12071 stmts def type only during analyze phase.
12072 (vectorizable_call): Likewise.
12073 (vectorizable_simd_clone_call): Likewise.
12074 (vectorizable_conversion): Likewise.
12075 (vectorizable_assignment): Likewise.
12076 (vectorizable_shift): Likewise.
12077 (vectorizable_operation): Likewise.
12078 (vectorizable_store): Likewise.
12079 (vectorizable_load): Likewise.
12081 2016-01-12 Richard Biener <rguenther@suse.de>
12083 PR tree-optimization/69174
12084 * tree-vect-stmts.c (vect_mark_relevant): Remove excessive vertical
12085 space.
12086 (vectorizable_load): Properly compute the number of loads needed
12087 for permuted strided SLP loads and do not spuriously assign
12088 to SLP_TREE_VEC_STMTS.
12090 2016-01-12 Andris Pavenis <andris.pavenis@iki.fi>
12092 * config/i386/djgpp.h (PREFERRED_DEBUGGING_TYPE): Define to DWARF2
12093 (TARGET_ASM_OUTPUT_IDENT): Define to default_asm_output_ident_directive
12094 (MD_EXEC_PREFIX): Remove.
12095 (MD_STARTFILE_PREFIX) Removee.
12096 (FILE_NAME_ABSOLUTE_P): Remove.
12097 (CPP_SPEC): Do not read macros from sys/version.h.
12098 (LINK_COMMAND_SPEC): Remove.
12099 (LOCAL_INCLUDE_DIR): Remove.
12100 (TARGET_ASM_NAMED_SECTION): Define to i386_djgpp_asm_named_section
12101 (TARGET_OS_CPP_BUILTINS): Add DJGPP (non ISO only), __DJGPP, __DJGPP__, unix.
12102 (POST_LINK_SPEC): Define to invoke stubify after linker
12103 (LIBSTDCXX): Remove define
12104 (DBX_REGISTER_NUMBER): Define to svr4_dbx_register_map.
12105 (DEFAULT_PCC_STRUCT_RETURN): Define to 1.
12106 (SUBTARGET_OVERRIDE_OPTIONS): Remove warning about -mbnu2210.
12107 (SUBTARGET_OVERRIDE_OPTIONS): Ignore -fPIC and generate message.
12108 (SUBTARGET_OVERRIDE_OPTIONS): Default to DWARF2 debugging info.
12109 (IX86_MAYBE_NO_LIBGCC_TFMODE): Remove.
12110 (i386_djgpp_asm_named_section): Add propotype of new procedure
12112 * config/i386/xm-djgpp.h (NATIVE_SYSTEM_HEADER_DIR): Define.
12113 (MD_EXEC_PREFIX): Define (moved from config/i386/djgpp.h).
12114 (STANDARD_STARTFILE_PREFIX_1): Define (moved from MD_STARTFILE_PREFIX
12115 in config/i386/djgpp.h).
12116 (STANDARD_STARTFILE_PREFIX_2): Define identical to
12117 STANDARD_STARTFILE_PREFIX_1.
12118 (LOCAL_INCLUDE_DIR): Define (moved from config/i386/djgpp.h).
12119 (GCC_DRIVER_HOST_INITIALIZATION): Fix reporting fatal
12120 installation errors.
12121 (MAX_OFILE_ALIGNMENT): Define to 128.
12122 (HAVE_FTW_H): Undefine as DJGPP do not have nftw, but have ftw.h.
12124 * config/i386/djgpp.c: New file. Add implementation of
12125 i386_djgpp_asm_named_section.
12127 * config/i386/djgpp.opt: Remove obsolete option -mbnu210.
12129 * config/i386/t-djgpp: New file. Add djgpp.o to EXTRA_OBJS.
12130 Add rule for building djgpp.o.
12132 2016-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
12134 * config/rs6000/rs6000.c (v2df_reduction_p): New function.
12135 (rtx_is_swappable_p): Reductions are swappable.
12136 (insn_is_swappable_p): V2DF reductions are swappable.
12138 2016-01-11 John David Anglin <danglin@gcc.gnu.org>
12140 * config/pa/pa.c (pa_emit_move_sequence): Handle floating point
12141 reloads for other unsupported memory operands.
12143 2016-01-12 Kugan Vivekanandarajah <kuganv@linaro.org>
12144 Jim Wilson <jim.wilson@linaro.org>
12146 PR target/69194
12147 * config/arm/arm-builtins.c (arm_expand_neon_args): Call
12148 copy_to_mode_reg instead of force_reg.
12150 2016-01-11 H.J. Lu <hongjiu.lu@intel.com>
12152 PR target/69225
12153 * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Set to 2 only if
12154 TARGET_80387 is true.
12156 2016-01-11 Jakub Jelinek <jakub@redhat.com>
12158 PR target/69071
12159 * lra-eliminations.c (move_plus_up): Only move plus up
12160 if subreg of the constant can be simplified into constant
12161 and use the simplified subreg of the constant instead of
12162 the original constant.
12164 * fold-const.c (fold_convertible_p): Don't return true
12165 for conversion of VECTOR_TYPE to same sized integral type.
12166 (fold_convert_loc): Fix up formatting. Fold conversion of
12167 VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
12168 instead of NOP_EXPR.
12170 PR tree-optimization/69214
12171 * tree-vrp.c (simplify_cond_using_ranges): Don't propagate
12172 innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
12173 Formatting fix.
12175 PR tree-optimization/69207
12176 * tree-vect-slp.c (vect_get_constant_vectors): For
12177 VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of
12178 fold_convertible_p to vector_type's element type, and always
12179 use VCE for non-VECTOR_BOOLEAN_TYPE_P.
12181 2016-01-11 Richard Biener <rguenther@suse.de>
12183 PR tree-optimization/69173
12184 * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Only
12185 fixup the cycle if all stmts are in a pattern.
12187 2016-01-11 Uros Bizjak <ubizjak@gmail.com>
12189 PR middle-end/68999
12190 * alias.c (base_alias_check): Move check for addresses with
12191 alignment ANDs before the call for compare_base_decls.
12192 (memrefs_conflict_p): Return -1 for different decls
12193 that went through alignment adjustments.
12195 2016-01-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
12197 PR rtl-optimization/68796
12198 * config/aarch64/aarch64.md (*and<mode>_compare0): New pattern.
12199 * config/aarch64/aarch64.c (aarch64_select_cc_mode): Handle HImode
12200 and QImode comparisons against zero with CC_NZmode.
12201 * config/aarch64/iterators.md (short_mask): New mode_attr.
12203 2016-01-11 H.J. Lu <hongjiu.lu@intel.com>
12205 * config/i386/sse.md (<avx512>_load<mode>_mask): Remove snprintf.
12206 (<avx512>_store<mode>_mask): Likewise.
12208 2016-01-11 Bernd Schmidt <bschmidt@redhat.com>
12209 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
12211 PR rtl-optimization/68841
12212 * ifcvt.c (struct noce_if_info): Add orig_x field.
12213 (bbs_ok_for_cmove_arith): Add to_rename parameter.
12214 Don't record conflicts on to_rename if it's present.
12215 Allow memory destinations in sets.
12216 (noce_try_cmove_arith): Call bbs_ok_for_cmove_arith even on simple
12217 blocks, passing orig_x to the checks.
12218 (noce_process_if_block): Set if_info->orig_x appropriately.
12220 2016-01-11 Tom de Vries <tom@codesourcery.com>
12222 PR tree-optimization/69069
12223 * tree-parloops.c (create_parallel_loop): Add missing phi args.
12225 2016-01-11 Yuri Rumyantsev <ysrumyan@gmail.com>
12227 PR rtl-optimization/68920
12228 * config/i386/i386.c (ix86_option_override_internal): Restrict number
12229 of conditional moves for RTL if-conversion to 1 for
12230 TARGET_ONE_IF_CONV_INSN.
12231 * config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
12232 * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
12233 * params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
12234 parameter to restirct number of conditional moves for
12235 RTL if-conversion.
12236 * doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
12237 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
12238 conditionl moves.
12240 2016-01-11 Alexandre Oliva <aoliva@redhat.com>
12242 PR bootstrap/69123
12243 * var-tracking.c (drop_overlapping_mem_locs): Operate on all
12244 onepart vars. Fix typo in comment. Fix reversed condition in
12245 unshare test.
12246 (dataflow_set_remove_mem_locs): Operate on all onepart vars.
12248 PR bootstrap/69123
12249 * var-tracking.c (dump_onepart_variable_differences): New.
12250 (dataflow_set_different): If a detailed dump is requested,
12251 delay early returns and dump differences between onepart
12252 variables present before and after, and added variables.
12254 2016-01-11 Ilya Enkovich <enkovich.gnu@gmail.com>
12256 PR target/69010
12257 * expr.c (expand_expr_real_1): For boolean vector constants
12258 with a scalar mode use const_scalar_mask_from_tree.
12259 (const_scalar_mask_from_tree): New.
12260 * optabs.c (expand_vec_cond_mask_expr): Use mask mode
12261 assigned to a mask type to handle constants.
12263 2016-01-11 Martin Jambor <mjambor@suse.cz>
12265 PR ipa/69044
12266 * ipa-cp.c (estimate_local_effects): Do not clone for removal of
12267 useless parameters if we cannot change function signature.
12269 2016-01-11 Martin Jambor <mjambor@suse.cz>
12271 PR ipa/66616
12272 * cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
12273 flag.
12275 2016-01-11 Tom de Vries <tom@codesourcery.com>
12277 PR tree-optimization/69109
12278 * tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
12279 latch with phi.
12281 2016-01-11 Tom de Vries <tom@codesourcery.com>
12283 PR tree-optimization/69108
12284 * tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
12285 res is not used in a phi.
12287 2016-01-11 Yury Gribov <y.gribov@samsung.com>
12289 PR 67425
12290 * common.opt (frandom-seed): Fix parameter name.
12291 * doc/invoke.texi (frandom-seed): Ditto and describe parameter.
12293 2016-01-11 Tom de Vries <tom@codesourcery.com>
12295 PR tree-optimization/69058
12296 * tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
12297 not supported.
12299 2016-01-11 Andrew Burgess <andrew.burgess@embecosm.com>
12301 * config/arc/arc.opt (mdiv-rem): Add period to the end.
12302 (mcode-density): Likewise.
12304 2016-01-10 Tom de Vries <tom@codesourcery.com>
12306 PR tree-optimization/69062
12307 * tree-parloops.c (loop_has_phi_with_address_arg): New function.
12308 (parallelize_loops): Don't paralelize loop that has phi with address
12309 arg.
12311 2016-01-10 Tom de Vries <tom@codesourcery.com>
12313 PR tree-optimization/69039
12314 * tree-parloops.c (try_create_reduction_list): Only allow single exit
12315 phi for reduction.
12317 2016-01-09 John David Anglin <danglin@gcc.gnu.org>
12319 PR middle-end/68743
12320 * match.pd: Require target has function_c99_misc before doing
12321 truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.
12323 2016-01-09 Gerald Pfeifer <gerald@pfeifer.com>
12325 * configure.ac (isl_options_set_schedule_serialize_sccs): Also
12326 use GMPINC.
12327 * configure: Regenerate.
12329 2016-01-09 Jakub Jelinek <jakub@redhat.com>
12331 PR middle-end/50865
12332 PR tree-optimization/69097
12333 * fold-const.h (expr_not_equal_to): New prototype.
12334 * fold-const.c: Include stringpool.h and tree-ssanames.h.
12335 (expr_not_equal_to): New function.
12336 * match.pd (X % -Y is the same as X % Y): Don't optimize
12337 unless X is known not to be equal to minimum or Y is known
12338 not to be equal to -1.
12339 * tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
12340 fold TRUNC_MOD_EXPR if the second argument is not a power of two.
12341 (simplify_stmt_using_ranges): Adjust caller.
12342 (vrp_finalize): Call set_value_range on SSA_NAMEs before calling
12343 substitute_and_fold.
12345 2016-01-09 Jan Hubicka <hubicka@ucw.cz>
12347 * ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
12348 w/o DECL_NAME.
12350 2016-01-08 Jakub Jelinek <jakub@redhat.com>
12352 PR tree-optimization/69167
12353 * gimple-fold.c (replace_stmt_with_simplification): Also punt if
12354 new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
12355 ops[0] comparison.
12356 * gimple-match-head.c (maybe_push_res_to_seq): Likewise.
12358 2016-01-08 Alan Lawrence <alan.lawrence@arm.com>
12359 Richard Biener <rguenther@suse.de>
12361 PR tree-optimization/68707
12362 * tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
12363 instances that can be handled via vect_load_lanes.
12365 2016-01-08 Uros Bizjak <ubizjak@gmail.com>
12367 * symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
12368 if we can't determine address equivalence.
12369 * alias.c (compare_base_decl): Update for changed return value of
12370 symtab_node::equal_address_to.
12372 2016-01-08 Jason Merrill <jason@redhat.com>
12374 PR c++/68983
12375 PR c++/67557
12376 * function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
12377 * expr.c (store_field): Not here.
12378 * tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
12379 call with TREE_ADDRESSABLE type.
12380 * tree-cfg.c (verify_gimple_call): Adjust.
12382 2016-01-08 Olivier Hainque <hainque@adacore.com>
12384 * config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
12385 libc_internal.
12387 2016-01-08 Alan Lawrence <alan.lawrence@arm.com>
12389 * gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
12390 (reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
12391 (reduc_smin_v2sf): Rename to...
12392 (reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
12393 (reduc_splus_v2sf): Rename to...
12394 (reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.
12396 2016-01-08 Jakub Jelinek <jakub@redhat.com>
12398 PR tree-optimization/69162
12399 * gimplify.c (gimplify_va_arg_expr): Encode original type of
12400 valist argument in another argument.
12401 (gimplify_modify_expr): Adjust for the above change. Cleanup.
12402 * tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
12403 to determine the va_list type, build a MEM_REF instead of
12404 build_fold_indirect_ref.
12406 PR tree-optimization/69172
12407 * gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
12408 gimple_build.
12410 2016-01-08 Thomas Preud'homme <thomas.preudhomme@arm.com>
12412 PR tree-optimization/67781
12413 * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
12414 and cmpnop in two steps: first the ones not accessed in original
12415 gimple expression in a endian independent way and then the ones not
12416 accessed in the final result in an endian-specific way.
12418 2016-01-08 Jakub Jelinek <jakub@redhat.com>
12420 PR tree-optimization/69083
12421 * tree-vect-slp.c (vect_get_constant_vectors): For
12422 VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
12423 element type. If op is fold_convertible_p to vector_type's element
12424 type, use NOP_EXPR instead of VCE.
12426 2016-01-08 Segher Boessenkool <segher@kernel.crashing.org>
12428 PR rtl-optimization/67778
12429 PR rtl-optimization/68634
12430 PR rtl-optimization/68909
12431 * shrink-wrap.c (try_shrink_wrapping): Add comment. Don't pop
12432 block from the stack until done with it. Remove a superfluous
12433 bitmap set. Remove a superfluous bitmap test.
12435 2016-01-07 Martin Sebor <msebor@redhat.com>
12437 PR c/68966
12438 * doc/extend.texi (__atomic Builtins, __sync Builtins): Document
12439 constraint on the type of arguments.
12441 2016-01-07 Andreas Tobler <andreast@gcc.gnu.org>
12443 * config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
12444 SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
12445 unaligned_access on the gcc_options set.
12446 * config/arm/arm.c (arm_option_override_internal): Use
12447 SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.
12449 2016-01-07 Uros Bizjak <ubizjak@gmail.com>
12451 PR target/69140
12452 * config/i386/i386.c (ix86_frame_pointer_required): Enable
12453 frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.
12455 2016-01-07 Uros Bizjak <ubizjak@gmail.com>
12457 Revert
12458 2016-01-06 Uros Bizjak <ubizjak@gmail.com>
12460 PR target/69140
12461 * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
12462 depending on frame_pointer_needed before remaining integer and SSE
12463 registers are saved.
12465 2016-01-07 Sandra Loosemore <sandra@codesourcery.com>
12467 PR 1078
12468 * doc/extend.texi (Nvidia PDX Function Attributes): New section.
12470 2016-01-07 H.J. Lu <hongjiu.lu@intel.com>
12472 PR target/69171
12473 * config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
12474 Use the "xBm" constraint.
12475 (float<sseintvecmodelower><mode>2<mask_name><round_name):
12476 Likewise.
12477 (sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
12478 (sse_cvtsi2ssq<round_name>): Likewise.
12479 (sse_cvtss2si<round_name>): Likewise.
12480 (sse_cvtss2siq<round_name>): Likewise.
12481 (sse2_cvtsi2sdq<round_name>): Likewise.
12482 (sse2_cvtsd2si<round_name>): Likewise.
12483 (sse2_cvtsd2siq<round_name>): Likewise.
12484 * config/i386/subst.md (round_nimm_scalar_predicate): New
12485 predicate.
12487 2015-12-15 Bernd Schmidt <bschmidt@redhat.com>
12489 PR middle-end/67639
12490 * varasm.c (make_decl_rtl): Mark invalid register vars as
12491 DECL_EXTERNAL.
12493 PR rtl-optimization/66206
12494 * bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
12495 All callers changed.
12497 2016-01-07 Jakub Jelinek <jakub@redhat.com>
12499 PR tree-optimization/69141
12500 * tree-ssa-pre.c: Include langhooks.h.
12501 (eliminate_dom_walker::before_dom_children): Use
12502 lang_hooks.decl_printable_name instead of
12503 cgraph_node::get ()->name ().
12505 PR middle-end/68960
12506 * gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
12507 it and DECL_ALIGN too.
12509 2016-01-06 Robert Suchanek <robert.suchanek@imgtec.com>
12511 * config/mips/mips-ftypes.def: Sort to lexicographical order.
12513 2016-01-06 Uros Bizjak <ubizjak@gmail.com>
12515 PR target/69140
12516 * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
12517 depending on frame_pointer_needed before remaining integer and SSE
12518 registers are saved.
12520 2015-01-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
12522 * config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
12523 mode iterator with VSX_M2.
12524 (*p9_vecstore_<mode>): Likewise.
12525 (*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
12526 (*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
12527 (*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
12528 (define_split for VSX_LE128 stores): Likewise.
12529 (define_peephole2 for TImode LE swaps): Likewise.
12530 (define_split for VSX_LE128 post-reload stores): Likewise.
12532 2016-01-06 Marek Polacek <polacek@redhat.com>
12534 PR sanitizer/69099
12535 * convert.c (convert_to_integer_1): Adjust call to
12536 ubsan_instrument_float_cast. Use NULL_TREE instead of NULL.
12537 * ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter. Use
12538 EXPR instead of ARG.
12539 * ubsan.h (ubsan_instrument_float_cast): Adjust declaration.
12541 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
12543 PR 1078
12544 * doc/extend.texi (RL78 Variable Attributes): New section.
12546 2016-01-05 Marek Polacek <polacek@redhat.com>
12548 PR c/69104
12549 * builtins.c (get_memmodel): Use expansion point location rather than
12550 the input location. Call warning_at rather than warning.
12551 (expand_builtin_atomic_compare_exchange): Likewise.
12552 (expand_builtin_atomic_load): Likewise.
12553 (expand_builtin_atomic_store): Likewise.
12554 (expand_builtin_atomic_clear): Likewise.
12556 2016-01-05 H.J. Lu <hongjiu.lu@intel.com>
12558 PR target/68991
12559 * config/i386/i386.c (ix86_expand_vector_logical_operator):
12560 Replace nonimmediate_operand with vector_operand.
12561 * config/i386/predicates.md (vector_operand): New predicate.
12562 (general_vector_operand): Replace nonimmediate_operand with
12563 vector_operand.
12564 * config/i386/sse.md: Replace nonimmediate_operand with
12565 vector_operand and m constraint with Bm constraint on SSE
12566 patterns with 16-byte memory operand.
12567 * config/i386/subst.md (round_nimm_predicate): Replace
12568 nonimmediate_operand with vector_operand.
12569 (round_saeonly_nimm_predicate): Likewise.
12570 (round_saeonly_nimm_scalar_predicate): New.
12572 2016-01-05 H.J. Lu <hongjiu.lu@intel.com>
12574 PR target/68991
12575 * config/i386/constraints.md (Bm): New constraint.
12576 * config/i386/predicates.md (vector_memory_operand): New
12577 predicate.
12578 * config/i386/sse.md: Replace xm with xBm in plusminus and
12579 any_logic patterns.
12581 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
12583 PR 1078
12584 * doc/extend.texi (V850 Function Attributes): New section.
12585 (V850 Variable Attributes): New section.
12587 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
12589 PR 1078
12590 * doc/extend.texi (MicroBlaze Function Attributes): Document
12591 interrupt_handler and fast_interrupt attributes.
12593 2016-01-05 Sergei Trofimovich <siarheit@google.com>
12595 PR other/60465
12596 * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
12597 for local symbolic operands.
12598 * config/ia64/predicates.md (local_symbolic_operand64): New
12599 predicate.
12601 2016-01-05 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
12603 PR rtl-optimization/68651
12604 * combine.c (combine_simplify_rtx): Canonicalize x + x into
12605 x << 1.
12607 2016-01-05 Nathan Sidwell <nathan@acm.org>
12609 * alias.c (compare_base_decls): Use symtab_node::get.
12611 2016-01-05 Nick Clifton <nickc@redhat.com>
12613 PR target/68770
12614 * ira-costs.c (copy_cost): Initialise the t_icode field of the
12615 secondary_reload_info structure.
12617 PR target/66655
12618 * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
12619 decls if weak support is available.
12621 2016-01-04 Martin Sebor <msebor@redhat.com>
12623 * doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.
12625 2016-01-04 Michael Meissner <meissner@linux.vnet.ibm.com>
12627 * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
12628 OPTION_MASK_P9_DFORM.
12630 * config/rs6000/constraints.md (wo constraint): New constraint for
12631 ISA 3.0 (power9).
12633 * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
12634 for wo constraint.
12635 (rs6000_init_hard_regno_mode_ok): Likewise.
12637 * config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
12638 wo constraint.
12640 * config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
12641 expanders not to have constraints. Add support for ISA 3.0 xxperm
12642 instruction. Add support for fusing xxlor with xxperm.
12643 (altivec_vperm_<mode>_internal): Likewise.
12644 (altivec_vperm_v8hiv16qi): Likewise.
12645 (altivec_vperm_<mode>v16q): Likewise.
12646 (altivec_vperm_<mode>_uns): Likewise.
12647 (vperm_v8hiv4si): Likewise.
12648 (vperm_v16qiv8hi): Likewise.
12650 * doc/md.texi (RS/6000 constraints): Document wo constraint.
12652 2016-01-04 Jakub Jelinek <jakub@redhat.com>
12654 Update copyright years.
12656 * gcc.c (process_command): Update copyright notice dates.
12657 * gcov-dump.c (print_version): Ditto.
12658 * gcov.c (print_version): Ditto.
12659 * gcov-tool.c (print_version): Ditto.
12660 * gengtype.c (create_file): Ditto.
12661 * doc/cpp.texi: Bump @copying's copyright year.
12662 * doc/cppinternals.texi: Ditto.
12663 * doc/gcc.texi: Ditto.
12664 * doc/gccint.texi: Ditto.
12665 * doc/gcov.texi: Ditto.
12666 * doc/install.texi: Ditto.
12667 * doc/invoke.texi: Ditto.
12669 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
12671 * config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
12672 modes larger than TImode as TImode if NEON is not enabled.
12674 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
12676 PR target/69100
12677 * config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
12678 mode for %f0-%f31 only if TARGET_FPU.
12680 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
12682 PR target/69072
12683 * config/sparc/sparc.c (scan_record_type): Take into account subfields
12684 to compute the PACKED_P predicate.
12685 (function_arg_record_value): Minor tweaks.
12687 2016-01-04 Thomas Preud'homme <thomas.preudhomme@arm.com>
12689 * doc/install.texi (--with-multilib-list): Describe the meaning of the
12690 option for arm*-*-* targets.
12692 2016-01-03 Sandra Loosemore <sandra@codesourcery.com>
12694 * doc/extend.texi (Common Function Attributes): Move docs for
12695 MSP430-specific attributes to....
12696 (MSP430 Function Attributes): ...here. Delete the redundant
12697 entries and copy-edit the remaining text.
12698 (MSP430 Variable Attributes): Use uniform format for index
12699 entries and add a cross-reference to the corresponding function
12700 attribute docs.
12702 2016-01-03 Vladimír Čunát <vcunat@gmail.com>
12704 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix
12705 -finite-math typo.
12706 (x86 Options): Likewise.
12708 2016-01-01 Sandra Loosemore <sandra@codesourcery.com>
12710 PR 1078
12712 * extend.texi (Common Function Attributes) <no_stack_limit>: New.
12713 * invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
12714 to corresponding attribute.
12716 2016-01-01 Sandra Loosemore <sandra@codesourcery.com>
12718 * doc/extend.texi (Common Function Attributes) <noplt>: Move
12719 to correct alphabetization of table. Copy-edit and correct
12720 markup.
12721 <stack_protect>: Likewise.
12722 <target_clones>: Likewise.
12723 <simd>: Likewise.
12724 * doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
12725 Correct punctuation.
12726 (Code Gen Options) <-fno-plt>: Copy-edit.
12728 2016-01-01 Bernd Edlinger <bernd.edlinger@hotmail.de>
12730 PR target/68917
12731 * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
12732 SI values. Explicitly convert SI to DI and vice-versa.
12734 2016-01-01 Jakub Jelinek <jakub@redhat.com>
12736 PR tree-optimization/69070
12737 * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
12738 REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.
12740 PR sanitizer/69055
12741 * ubsan.c (ubsan_instrument_float_cast): Call
12742 initialize_sanitizer_builtins.
12744 PR target/69015
12745 * ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
12746 \f
12747 Copyright (C) 2016 Free Software Foundation, Inc.
12749 Copying and distribution of this file, with or without modification,
12750 are permitted in any medium without royalty provided the copyright
12751 notice and this notice are preserved.