calls.c: fix warning on targets without REG_PARM_STACK_SPACE
[official-gcc.git] / gcc / ChangeLog
blob32813b45a12e29ea43ad319707d29ae8f498ca7a
1 2016-05-20  David Malcolm  <dmalcolm@redhat.com>
3         * calls.c (can_implement_as_sibling_call_p): Mark param
4         reg_parm_stack_space with ATTRIBUTE_UNUSED.
6 2016-05-20  Uros Bizjak  <ubizjak@gmail.com>
8         * gcc/config/i386/i386.c (ix86_rtx_costs) <case CONST_DOUBLE>:
9         Use IS_STACK_MODE when calculating cost of standard 80387 constants.
10         Fallthru to CONST_VECTOR case to calculate cost of standard SSE
11         constants.
12         <case CONST_WIDE_INT>: Calculate cost of (MEM (SYMBOL_REF)).
13         (ix86_legitimate_constant_p): Use CASE_CONST_SCALAR_INT
14         and CASE_CONST_ANY.
16 2016-05-20  Cesar Philippidis  <cesar@codesourcery.com>
18         * config/nvptx/nvptx.md (sincossf3): New pattern.
20 2016-05-20  H.J. Lu  <hongjiu.lu@intel.com>
22         PR target/70738
23         * common/config/i386/i386-common.c
24         (OPTION_MASK_ISA_GENERAL_REGS_ONLY_UNSET): New.
25         (ix86_handle_option): Disable MPX, MMX, SSE and x87 instructions
26         for -mgeneral-regs-only.
27         * config/i386/i386.c (ix86_option_override_internal): Don't
28         enable x87 instructions if only the general registers are
29         allowed.
30         * config/i386/i386.opt: Add -mgeneral-regs-only.
31         * doc/invoke.texi: Document -mgeneral-regs-only.
33 2016-05-20  David Malcolm  <dmalcolm@redhat.com>
35         * calls.c (maybe_complain_about_tail_call): New function.
36         (initialize_argument_information): Call
37         maybe_complain_about_tail_call when clearing *may_tailcall.
38         (can_implement_as_sibling_call_p): Call
39         maybe_complain_about_tail_call when returning false.
40         (expand_call): Read CALL_EXPR_MUST_TAIL_CALL and, if set,
41         ensure try_tail_call is set.  Call maybe_complain_about_tail_call
42         if tail-call optimization fails.
43         * cfgexpand.c (expand_call_stmt): Initialize
44         CALL_EXPR_MUST_TAIL_CALL from gimple_call_must_tail_p.
45         * gimple-pretty-print.c (dump_gimple_call): Dump
46         gimple_call_must_tail_p.
47         * gimple.c (gimple_build_call_from_tree): Call
48         gimple_call_set_must_tail with the value of
49         CALL_EXPR_MUST_TAIL_CALL.
50         * gimple.h (enum gf_mask): Add GF_CALL_MUST_TAIL_CALL.
51         (gimple_call_set_must_tail): New function.
52         (gimple_call_must_tail_p): New function.
53         * print-tree.c (print_node): Update printing of TREE_STATIC
54         to reflect its use for CALL_EXPR_MUST_TAIL_CALL.
55         * tree-core.h (struct tree_base): Add MUST_TAIL_CALL to the
56         trailing comment listing applicable flags.
57         * tree.h (CALL_EXPR_MUST_TAIL_CALL): New macro.
59 2016-05-20  David Malcolm  <dmalcolm@redhat.com>
61         * calls.c (expand_call): Move "Rest of purposes for tail call
62         optimizations to fail" to...
63         (can_implement_as_sibling_call_p): ...this new function, and
64         split into multiple "if" statements.
66 2016-05-20  Jan Hubicka  <hubicka@ucw.cz>
68         * cfgloop.h (expected_loop_iterations_unbounded,
69         expected_loop_iterations): Unconstify.
70         * cfgloopanal.c (expected_loop_iterations_unbounded): Sanity check the
71         profile with known upper bound; return 3 when profile is absent.
72         (expected_loop_iterations): Update.
74 2016-05-20  Jan Hubicka  <hubicka@ucw.cz>
76         * loop-doloop.c (doloop_optimize): Use get_estimated_loop_iterations_int
77         and get_max_loop_iterations_int.
79 2016-05-20  Jan Hubicka  <hubicka@ucw.cz>
81         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can not produce
82         realistic upper bounds here.
84 2016-05-20  Jakub Jelinek  <jakub@redhat.com>
86         PR c++/71210
87         * gimple-fold.c (gimple_fold_call): Do not remove lhs of noreturn
88         calls if the LHS is variable length or has addressable type.
89         If targets[0]->decl is a noreturn call with void return type and
90         zero arguments, adjust fntype and remove lhs in that case.
92 2016-05-20  Marc Glisse  <marc.glisse@inria.fr>
94         PR tree-optimization/71079
95         PR tree-optimization/71206
96         * match.pd ((X ^ Y) ^ (X ^ Z)): Convert the arguments.
98 2016-05-20  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
100         * tree-vectorizer.c (get_vec_alignment_for_decl): New static function.
101         (get_vec_alignment_for_array_decl): Likewise.
102         (get_vec_alignment_for_record_decl): Likewise.
103         (increase_alignment::execute): Move code to find alignment to
104         get_vec_alignment_for_array_decl and call get_vec_alignment_for_decl.
105         (type_align_map): New hash_map.
107 2016-05-20  Richard Guenther  <rguenther@suse.de>
109         PR tree-optimization/29756
110         * tree.def (BIT_INSERT_EXPR): New tcc_expression tree code.
111         * expr.c (expand_expr_real_2): Handle BIT_INSERT_EXPR.
112         * fold-const.c (operand_equal_p): Likewise.
113         (fold_ternary_loc): Add constant folding of BIT_INSERT_EXPR.
114         * gimplify.c (gimplify_expr): Handle BIT_INSERT_EXPR.
115         * tree-inline.c (estimate_operator_cost): Likewise.
116         * tree-pretty-print.c (dump_generic_node): Likewise.
117         * tree-ssa-operands.c (get_expr_operands): Likewise.
118         * cfgexpand.c (expand_debug_expr): Likewise.
119         * gimple-pretty-print.c (dump_ternary_rhs): Likewise.
120         * gimple.c (get_gimple_rhs_num_ops): Handle BIT_INSERT_EXPR.
121         * tree-cfg.c (verify_gimple_assign_ternary): Verify BIT_INSERT_EXPR.
122         * tree-ssa.c (non_rewritable_lvalue_p): We can rewrite
123         vector inserts using BIT_FIELD_REF or MEM_REF on the lhs.
124         (execute_update_addresses_taken): Do it.
126 2016-05-20  Richard Biener  <rguenther@suse.de>
128         PR tree-optimization/71185
129         * tree-ssa-loop-prefetch.c (gather_memory_references): Drop
130         register operations.
132 2016-05-20  Richard Biener  <rguenther@suse.de>
134         * tree-if-conv.c (add_bb_predicate_gimplified_stmts): Use
135         gimple_seq_add_seq_without_update.
136         (release_bb_predicate): Assert we have no operands to free.
137         (if_convertible_loop_p_1): Calculate post dominators later.
138         Do not free BB predicates here.
139         (combine_blocks): Do not recompute BB predicates.
140         (version_loop_for_if_conversion): Save BB predicates around
141         loop versioning.
143 2016-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
145         * function.c (make_epilogue_seq): Remove epilogue_end parameter.
146         (thread_prologue_and_epilogue_insns): Remove bb_flags.  Restructure
147         code.  Ignore sibcalls on EDGE_IGNORE edges.
148         * shrink-wrap.c (handle_simple_exit): New function.  Set EDGE_IGNORE
149         on edges for sibcalls that run without prologue.  The rest of the
150         function is combined from...
151         (fix_fake_fallthrough_edge): ... this, and ...
152         (try_shrink_wrapping): ... a part of this.  Remove the bb_with
153         function argument, make it a local variable.
155 2016-05-19  Sandra Loosemore  <sandra@codesourcery.com>
157         * config/i386/cygming.h (DWARF2_UNWIND_INFO): Allow 
158         --disable-sjlj-exceptions for TARGET_BI_ARCH to select DWARF-2 EH
159         for 32-bit mode and SEH for 64-bit.
160         * config/i386/mingw32.h (SHARED_LIBGCC_UNDEFS_SPEC): Handle
161         TARGET_64BIT_DEFAULT.
163 2016-05-19  Ryan Burn  <contact@rnburn.com>
165         * Makefile.in (GTFILES): Add cilk.h and cilk-common.c.
166         * gengtype.c (open_base_files): Add cilk.h to ifiles.
168 2016-05-19  Uros Bizjak  <ubizjak@gmail.com>
170         * sched-deps.c (sched_analyze_2) <case TRAP_IF>: Also
171         force pending loads from memory.
173 2016-05-19  Kelvin Nilsen  <kelvin@gcc.gnu.org>
175         * config/rs6000/altivec.md (UNSPEC_DARN): New unspec constant.
176         (UNSPEC_DARN_32): New unspec constant.
177         (UNSPEC_DARN_RAW): New unspec constant.
178         (darn_32): New instruction.
179         (darn_raw): New instruction.
180         (darn): New instruction.
181         * config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_0): Add
182         support and documentation for this macro.
183         (BU_P9_MISC_1): New macro definition.
184         (BU_P9_64BIT_MISC_0): New macro definition.
185         (BU_P9_MISC_0): New macro definition.
186         (darn_32): New builtin definition.
187         (darn_raw): New builtin definition.
188         (darn): New builtin definition.
189         * config/rs6000/rs6000.c: Add #define RS6000_BUILTIN_0 and #undef
190         RS6000_BUILTIN_0 directives to surround each occurrence of
191         #include "rs6000-builtin.def".
192         (rs6000_builtin_mask_calculate): Add in the RS6000_BTM_MODULO and
193         RS6000_BTM_64BIT flags to the returned mask, depending on
194         configuration.
195         (def_builtin): Correct an error in the assignments made to the
196         debugging variable attr_string.
197         (rs6000_expand_builtin): Add support for no-operand built-in
198         functions.
199         (builtin_function_type): Remove fatal_error assertion that is no
200         longer valid.
201         (rs6000_common_init_builtins): Add support for no-operand built-in
202         functions.
203         * config/rs6000/rs6000.h (RS6000_BTM_MODULO): New macro
204         definition.
205         (RS6000_BTM_PURE): Enhance comment to clarify intent of this flag
206         definition.
207         (RS6000_BTM_64BIT): New macro definition.
208         * doc/extend.texi: Document __builtin_darn (void),
209         __builtin_darn_raw (void), and __builtin_darn_32 (void) built-in
210         functions.
212 2016-05-19  Jan Hubicka  <hubicka@ucw.cz>
214         * tree-vect-loop.c (vect_analyze_loop_2): Use also
215         max_loop_iterations_int.
217 2016-05-19  Marek Polacek  <polacek@redhat.com>
219         PR tree-optimization/71031
220         * tree-vrp.c (extract_range_from_binary_expr_1): Turn assert into a
221         condition and adjust the code a bit.
223 2016-05-19  Martin Liska  <mliska@suse.cz>
225         * tree-vect-stmts.c (vectorizable_simd_clone_call): Utilize
226         auto_vec instead of vec.
228 2016-05-19  Martin Liska  <mliska@suse.cz>
230         * tree-parloops.c (oacc_entry_exit_ok): Release a vector.
232 2016-05-19  Martin Liska  <mliska@suse.cz>
234         * tree-if-conv.c (ifcvt_repair_bool_pattern): Utilize auto_vecs.
236 2016-05-19  Martin Liska  <mliska@suse.cz>
238         * ipa-pure-const.c (set_function_state): Remove an existing
239         funct_state.
240         (remove_node_data): Do not free it as it's released
241         in set_function_state.
243 2016-05-19  Martin Liska  <mliska@suse.cz>
245         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Release
246         bitmap.
248 2016-05-19  Martin Liska  <mliska@suse.cz>
250         * omp-simd-clone.c (simd_clone_adjust): Release vector.
252 2016-05-19  Martin Liska  <mliska@suse.cz>
254         * tree-ssa-reassoc.c (eliminate_duplicate_pair): Truncate
255         an auto_vec instead of re-creating it.
257 2016-05-19  Martin Liska  <mliska@suse.cz>
259         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Use
260         auto_vec instead of vec.
262 2016-05-19  Martin Liska  <mliska@suse.cz>
264         * lto-section-in.c (lto_get_section_data): Call
265         lto_check_version with additional argument.
266         * lto-streamer.c (lto_check_version): Add new argument.
267         * lto-streamer.h (lto_check_version): Likewise.
269 2016-05-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
271         * config/arm/arm.c (arm_new_rtx_costs, SIGN_EXTEND case):
272         Don't add cost of inner memory when handling sign-extended loads.
274 2016-05-19  Ilya Enkovich  <ilya.enkovich@intel.com>
276         PR rtl-optimization/71148
277         * cse.c (cse_main): Free dominance info.
278         (rest_of_handle_cse): Don't free dominance info.
279         (rest_of_handle_cse2): Likewise.
280         (rest_of_handle_cse_after_global_opts): Likewise.
282 2016-05-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
284         PR target/71056
285         * config/arm/arm-builtins.c (arm_builtin_vectorized_function): Return
286         NULL_TREE early if NEON is not available.  Remove now redundant check
287         in ARM_CHECK_BUILTIN_MODE.
289 2016-05-19  Maxim Ostapenko  <m.ostapenko@samsung.com>
291         PR sanitizer/64354
292         * cppbuiltin.c (define_builtin_macros_for_compilation_flags): Add new
293         builtin __SANITIZE_THREAD__ macros for fsanitize=thread switch.
294         * doc/cpp.texi: Document new macros.
296 2016-05-19 Bin Cheng  <bin.cheng@arm.com>
298         PR tree-optimization/69848
299         * tree-vect-loop.c (vectorizable_reduction): Don't factor
300         comparison expr out of VEC_COND_EXPR for COND_REDUCTION.
302 2016-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
304         * function.c (thread_prologue_and_epilogue_insn): Move the
305         "goto epilogue_done" one block later.
307 2016-05-19  Richard Biener  <rguenther@suse.de>
309         PR tree-optimization/70729
310         * passes.def: Move LIM pass before PRE.  Remove no longer
311         required copyprop and move first DCE out of the loop pipeline.
313 2016-05-18  David Malcolm  <dmalcolm@redhat.com>
315         PR driver/69265
316         * Makefile.in (GCC_OBJS): Move spellcheck.o to...
317         (OBJS-libcommon-target): ...here.
318         * opts-common.c: Include spellcheck.h.
319         (cmdline_handle_error): Build a vec of valid options and use it
320         to suggest provide hints for misspelled arguments.
322 2016-05-18  Jakub Jelinek  <jakub@redhat.com>
324         PR c++/71100
325         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Don't drop
326         lhs if it has TREE_ADDRESSABLE type.
328 2016-05-18  Uros Bizjak  <ubizjak@gmail.com>
330         PR target/71145
331         * config/alpha/alpha.md (trap): Add (use (reg:DI 29)).
332         (*exception_receiver_1): Return "#" for TARGET_EXPLICIT_RELOCS.
334 2016-05-18  Martin Jambor  <mjambor@suse.cz>
336         PR ipa/69708
337         * ipa-cp.c (ipa_get_jf_pass_through_result): Allow non-ip constant
338         input for NOP_EXPR pass-through functions.
339         * ipa-prop.c (ipa_compute_jump_functions_for_edge): Allow
340         aggregate global constant VAR_DECLs in constant jump functions.
342 2016-05-18  Martin Jambor  <mjambor@suse.cz>
344         PR ipa/69708
345         * ipa-prop.c (parm_preserved_before_stmt_p): Return true for loads
346         from TREE_READONLY parameters.
348 2016-05-18  Martin Jambor  <mjambor@suse.cz>
350         PR ipa/69708
351         * cgraph.h (cgraph_indirect_call_info): New field
352         guaranteed_unmodified.
353         * ipa-cp.c (ipa_get_indirect_edge_target_1): Also pass parameter value
354         to ipa_find_agg_cst_for_param, check guaranteed_unmodified when
355         appropriate.
356         * ipa-inline-analysis.c (evaluate_conditions_for_known_args): Also
357         pass the parameter value to ipa_find_agg_cst_for_param.
358         * ipa-prop.c (ipa_load_from_parm_agg): New parameter
359         guaranteed_unmodified, store AA results there instead of bailing out
360         if present.
361         (ipa_note_param_call): Also initialize guaranteed_unmodified flag.
362         (ipa_analyze_indirect_call_uses): Also set guaranteed_unmodified flag.
363         (find_constructor_constant_at_offset): New function.
364         (ipa_find_agg_cst_from_init): Likewise.
365         (ipa_find_agg_cst_for_param): Also seearch for aggregate values in
366         static initializers of contants, report back through a new paameter
367         from_global_constant if that was the case.
368         (try_make_edge_direct_simple_call): Also pass parameter value to
369         ipa_find_agg_cst_for_param, check guaranteed_unmodified when
370         appropriate.
371         (ipa_write_indirect_edge_info): Stream new flag guaranteed_unmodified.
372         (ipa_read_indirect_edge_info): Likewise.
373         * ipa-prop.h (ipa_find_agg_cst_for_param): Update declaration.
374         (ipa_load_from_parm_agg): Likewise.
376 2016-05-18  Jiong Wang  <jiong.wang@arm.com>
378         PR rtl-optimization/71150
379         * lra-constraint (process_addr_reg): Guard "in_class_p" with REG_P
380         check.
382 2016-05-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
384         PR target/70915
385         * config/rs6000/constraints.md (wE constraint): New constraint
386         for a vector constant that can be loaded with XXSPLTIB.
387         (wM constraint): New constraint for a vector constant of a 1's.
388         (wS constraint): New constraint for a vector constant that can be
389         loaded with XXSPLTIB and a vector sign extend instruction.
390         * config/rs6000/predicates.md (xxspltib_constant_split): New
391         predicates for wE/wS constraints.
392         (xxspltib_constant_nosplit): Likewise.
393         (easy_vector_constant): Add support for constants that can be
394         loaded via XXSPLTIB.
395         (all_ones_constant): New predicate for vector constant with all
396         1's set.
397         (splat_input_operand): Add support for ISA 3.0 word splat operations.
398         * config/rs6000/rs6000.c (xxspltib_constant_p): New function to
399         return if a constant can be loaded with the ISA 3.0 XXSPLTIB
400         instruction and possibly with a sign extension.
401         (output_vec_const_move): Add support for XXSPLTIB. If we are
402         loading up 0/-1 into Altivec registers, prefer using VSPLTISW
403         instead of XXLXOR/XXLORC.
404         (rs6000_expand_vector_init): Add support for ISA 3.0 word splat
405         operations.
406         (rs6000_legitimize_reload_address): Likewise.
407         (rs6000_output_move_128bit): Use output_vec_const_move to emit
408         constants.
409         * config/rs6000/vsx.md (VSX_M): Add TImode (if -mvsx-timode) and
410         combine VSX_M and VSX_M2 into one iterator.
411         (VSX_M2): Likewise.
412         (VSINT_84): New iterators for loading constants with XXSPLTIB.
413         (VSINT_842): Likewise.
414         (UNSPEC_VSX_SIGN_EXTEND): New UNSPEC.
415         (xxspltib_v16qi): New insns to load up constants with the ISA 3.0
416         XXSPLTIB instruction.
417         (xxspltib_<mode>_nosplit): Likewise.
418         (xxspltib_<mode>_split): New insn to load up constants with
419         XXSPLTIB and a sign extend instruction.
420         (vsx_mov<mode>): Replace single move that handled all vector types
421         with separate 32-bit and 64-bit moves.  Combine the movti_<bit>
422         moves (when -mvsx-timode is in effect) into the main vector
423         moves.  Eliminate separate moves for <VSr> <VSa>, where the
424         preferred register class (<VSr>) is listed first, and the
425         secondary register class (<VSa>) is listed second with a '?' to
426         discourage use.  Prefer loading 0/-1 in any VSX register for ISA
427         3.0, and Altivec registers for ISA 2.06/2.07 (PR target/70915) so
428         that if the register was involved in a slow operation, the
429         clear/set operation does not wait for the slow operation to
430         finish.  Adjust the length attributes for 32-bit mode.  Use
431         rs6000_output_move_128bit and drop the use of the string
432         instructions for 32-bit movti when -mvsx-timode is in effect.  Use
433         spacing so that the alternatives and attributes don't generate
434         long lines, and put things in columns, so that it is easier to
435         match up the operands and attributes with the insn alternatives.
436         (vsx_mov<mode>_64bit): Likewise.
437         (vsx_mov<mode>_32bit): Likewise.
438         (vsx_movti_64bit): Fold movti into normal vector moves.
439         (vsx_movti_32bit): Likewise.
440         (vsx_splat_<mode>, V4SI/V4SF modes): Add support for ISA 3.0 word
441         splat instructions.
442         (vsx_splat_v4si_internal): Likewise.
443         (vsx_splat_v4sf_internal): Likewise.
444         (vector fusion peepholes): Use VSX_M instead of VSX_M2.
445         (vsx_sign_extend_qi_<mode>): New ISA 3.0 instructions to sign
446         extend vector elements.
447         (vsx_sign_extend_hi_<mode>): Likewise.
448         (vsx_sign_extend_si_v2di): Likewise.
449         * config/rs6000/rs6000-protos.h (xxspltib_constant_p): Add
450         declaration.
451         * doc/md.texi (PowerPC constraints): Document the wE, wM, and wS
452         constraints.  Add trailing period to wL documentation.
454 2016-05-18  Richard Sandiford  <richard.sandiford@arm.com>
456         PR middle-end/71020
457         * tree-dfa.h (replace_abnormal_ssa_names): Declare.
458         * tree-dfa.c (replace_abnormal_ssa_names): New function.
459         * tree-call-cdce.c: Include tree-dfa.h.
460         (can_guard_call_p): New function, extracted from...
461         (can_use_internal_fn): ...here.
462         (shrink_wrap_one_built_in_call_with_conds): Remove failure path
463         and return void.
464         (shrink_wrap_one_built_in_call): Likewise.
465         (use_internal_fn): Likewise.
466         (shrink_wrap_conditional_dead_built_in_calls): Update accordingly
467         and return void.  Call replace_abnormal_ssa_names.
468         (pass_call_cdce::execute): Check can_guard_call_p during the
469         initial walk.  Assume shrink_wrap_conditional_dead_built_in_calls
470         will always change something.
472 2016-05-18  Martin Jambor  <mjambor@suse.cz>
474         PR ipa/70646
475         * ipa-prop.c (determine_locally_known_aggregate_parts): Bail out early
476         if parameter PARAM_IPA_MAX_AGG_ITEMS is zero.
478 2016-05-18  Martin Jambor  <mjambor@suse.cz>
480         PR ipa/70646
481         * ipa-inline.h (condition): New field size.
482         * ipa-inline-analysis.c (add_condition): New parameter SIZE, use it
483         for comaprison and store it into the new condition.
484         (evaluate_conditions_for_known_args): Use condition size to check
485         access sizes for all but CHANGED conditions.
486         (unmodified_parm_1): New parameter size_p, store access size into it.
487         (unmodified_parm): Likewise.
488         (unmodified_parm_or_parm_agg_item): Likewise.
489         (eliminated_by_inlining_prob): Pass NULL to unmodified_parm as size_p.
490         (set_cond_stmt_execution_predicate): Extract access sizes and store
491         them to conditions.
492         (set_switch_stmt_execution_predicate): Likewise.
493         (will_be_nonconstant_expr_predicate): Likewise.
494         (will_be_nonconstant_predicate): Likewise.
495         (inline_read_section): Stream condition size.
496         (inline_write_summary): Likewise.
498 2016-05-18  Richard Biener  <rguenther@suse.de>
500         * tree-ssa-loop-im.c (determine_max_movement): Properly add
501         condition cost to PHI cost instead of total_cost.
503 2016-05-18  Martin Liska  <mliska@suse.cz>
505         PR fortran/70856
506         * ipa-icf.c (sem_variable::merge): Set DECL_PT_UID for
507         merged variables.
509 2016-05-18  Richard Biener  <rguenther@suse.de>
511         * lto-streamer.h (LTO_major_version): Bump to 6.
513 2016-05-18  Segher Boessenkool  <segher@kernel.crashing.org>
515         * function.c (make_split_prologue_seq, make_prologue_seq,
516         make_epilogue_seq): New functions, factored out from...
517         (thread_prologue_and_epilogue_insns): Here.
519 2016-05-18  Segher Boessenkool  <segher@kernel.crashing.org>
521         * function.c (rest_of_handle_thread_prologue_and_epilogue): Call
522         cleanup_cfg with CLEANUP_EXPENSIVE after shrink-wrapping instead
523         of before.  Add a comment.
525 2016-05-18 Bin Cheng  <bin.cheng@arm.com>
527         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Check invariant
528         expression pointer, not pointer to the pointer.
530 2016-05-18  Jakub Jelinek  <jakub@redhat.com>
532         * config/i386/sse.md (pbroadcast_evex_isa): New mode attr.
533         (avx2_pbroadcast<mode>): Add another alternative with v instead
534         of x constraints in it, using <pbroadcast_evex_isa> isa.
535         (avx2_pbroadcast<mode>_1): Similarly, add two such alternatives.
537         * config/i386/sse.md (<ssse3_avx2>_palignr<mode>): Use
538         constraint x instead of v in second alternative, add avx512bw
539         alternative.
541         * config/i386/sse.md (<ssse3_avx2>_pshufb<mode>3<mask_name>): Use
542         constraint x instead of v in second alternative, add avx512bw
543         alternative.
545         * config/i386/sse.md (*<ssse3_avx2>_pmulhrsw<mode>3<mask_name>): Use
546         constraint x instead of v in second alternative, add avx512bw
547         alternative.
549         * config/i386/sse.md (avx2_pmaddubsw256, ssse3_pmaddubsw128): Add
550         avx512bw alternative.
552 2016-05-18  Kirill Yukhin  <kirill.yukhin@intel.com>
554         * gcc/config/i386/sse.md (define_insn "*andnot<mode>3"): Extend static
555         array to 128 chars.
556         (define_insn "*andnottf3"): Ditto.
557         (define_insn "*<code><mode>3"/any_logic): Ditto.
558         (define_insn "*<code>tf3"/any_logic): Ditto.
559         (define_insn "sse2_storehpd"): Use Yv constraint for scalar
560         operand to block AVX-512VL insn variant emit when it is not enabled.
562 2016-05-18  Kirill Yukhin  <kirill.yukhin@intel.com>
564         * config/i386/sse.md (define_insn "*vec_concatv2sf_sse4_1"): Use 'Yv'
565         constraint fot SF mode.
567 2016-05-18  Petr Murzin  <petr.murzin@intel.com>
568             Kirill Yukhin  <kirill.yukhin@intel.com>
570         * config/i386/sse.md (define_insn "srcp14<mode>"): Use proper operand
571         modifiers.
572         (define_insn "rsqrt14<mode>"): Ditto.
573         (define_insn "<mask_codefor>avx512dq_cvtps2qqv2di<mask_name>"): Ditto.
574         (define_insn "<fixsuffix>fix_truncv2sfv2di2<mask_name>"): Ditto.
575         (define_insn "avx512f_<code>v8div16qi2_mask_store"): Ditto.
576         (define_insn "vec_set_hi_<mode><mask_name>"): Ditto.
577         (define_insn "<mask_codefor>avx512dq_broadcast<mode><mask_name>"):
578         Ditto.
579         (define_insn "*avx512f_gatherdi<mode>"): Ditto.
580         (define_insn "*avx512f_scatterdi<mode>"): Ditto.
581         * config/i386/i386.c (ix86_print_operand): Expand check for size
582         override codes for Intel syntax.
584 2016-05-18  Richard Biener  <rguenther@suse.de>
586         PR tree-optimization/71168
587         * tree-loop-distribution.c (distribute_loop): Move *destroy_p
588         initialization earlier.
590 2016-05-18  James Greenhalgh  <james.greenhalgh@arm.com>
592         * config/aarch64/aarch64-simd.md
593         (aarch64_reduc_plus_internal<mode>): Rename to...
594         (reduc_plus_scal): ...This, and remove previous implementation.
596 2016-05-18  Richard Biener  <rguenther@suse.de>
598         * passes.def: Put late dse and cd_dce in canonical order.
600 2016-05-17  Jan Hubicka  <hubicka@ucw.cz>
602         * ipa-inline-transform.c (preserve_function_body_p): Look for
603         first non-thunk clone.
604         (save_function_body): Save into first non-thunk.
605         * lto-cgraph.c (lto_output_edge): When streaming thunk do not look
606         up call stmt id.
607         (lto_output_node): Inline thunks don't need body in every
608         partition.
609         * lto-streamer-in.c: Do not fixup thunk clones.
610         * cgraphclones.c (cgraph_node::create_edge_including_clone): Skip
611         thunks.
612         * tree-inline.c (copy_bb): Be prepared for target node to be new after
613         folding suceeds.
615 2016-05-17  Kugan Vivekanandarajah  <kuganv@linaro.org>
617         PR middle-end/63586
618         * tree-ssa-reassoc.c (transform_add_to_multiply): New.
619         (reassociate_bb): Call transform_add_to_multiply.
621 2016-05-17  Kugan Vivekanandarajah  <kuganv@linaro.org>
623         * config/aarch64/aarch64.c (all_extensions): Removed unused
624         static variable.
626 2016-05-17  Nathan Sidwell  <nathan@acm.org>
628         * config/nvptx/nvptx.c (nvptx_function_arg_boundary): New.
629         (TARGET_FUNCTION_ARG_BOUNDARY): Override.
631 2016-05-17  Mikhail Maltsev  <maltsevm@gmail.com>
633         PR tree-optimization/54579
634         PR middle-end/55299
635         * match.pd (~(~X >> Y), ~(~X >>r Y), ~(~X <<r Y)): New patterns.
637 2016-05-17  Marek Polacek  <polacek@redhat.com>
639         PR ipa/71146
640         * tree-inline.c (expand_call_inline): Call
641         maybe_remove_unused_call_args.
643 2016-05-17  Jim Wilson  <jim.wilson@linaro.org>
645         * doc/cpp.texi (__GNUC__): Major version changes are no longer rare.
646         * doc/invoke.texi (-mnan=2008): Change signalling to signaling.
647         * doc/md.texi (fmin@var{m}3): Likewise.
649 2016-05-17  Marc Glisse  <marc.glisse@inria.fr>
651         * match.pd (X & C): New transformation.
653 2016-05-17  Marc Glisse  <marc.glisse@inria.fr>
655         * match.pd (~X & Y): New transformation.
657 2016-05-17  Marc Glisse  <marc.glisse@inria.fr>
659         * tree-vrp.c (simplify_truth_ops_using_ranges): Set range
660         information for new SSA_NAME.
661         (simplify_conversion_using_ranges): Get range through get_range_info
662         instead of get_value_range.
664 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
666         * config/aarch64/arm_neon.h (vmvn_s8): Reimplement using C operator.
667         Remove inline assembly.
668         (vmvn_s16): Likewise.
669         (vmvn_s32): Likewise.
670         (vmvn_u8): Likewise.
671         (vmvn_u16): Likewise.
672         (vmvn_u32): Likewise.
673         (vmvnq_s8): Likewise.
674         (vmvnq_s16): Likewise.
675         (vmvnq_s32): Likewise.
676         (vmvnq_u8): Likewise.
677         (vmvnq_u16): Likewise.
678         (vmvnq_u32): Likewise.
679         (vmvn_p8): Likewise.
680         (vmvnq_p16): Likewise.
682 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
684         * config/aarch64/aarch64-simd.md (vmul_n_f32): Remove inline assembly.
685         Use builtin.
686         (vmul_n_s16): Likewise.
687         (vmul_n_s32): Likewise.
688         (vmul_n_u16): Likewise.
689         (vmul_n_u32): Likewise.
690         (vmulq_n_f32): Likewise.
691         (vmulq_n_f64): Likewise.
692         (vmulq_n_s16): Likewise.
693         (vmulq_n_s32): Likewise.
694         (vmulq_n_u16): Likewise.
695         (vmulq_n_u32): Likewise.
697 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
699         * config/aarch64/aarch64-simd.md (*aarch64_mul3_elt_to_128df): Extend
700         to all supported modes.  Rename to "*aarch64_mul3_elt_from_dup".
702 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
704         * config/aarch64/aarch64-simd.md (*aarch64_fma4_elt_to_128df): Rename
705         to *aarch64_fma4_elt_from_dup<mode>.
706         (*aarch64_fnma4_elt_to_128df): Rename to
707         *aarch64_fnma4_elt_from_dup<mode>.
708         * config/aarch64/arm_neon.h (vfma_n_f64): New.
709         (vfms_n_f32): Likewise.
710         (vfms_n_f64): Likewise.
711         (vfmsq_n_f32): Likewise.
712         (vfmsq_n_f64): Likewise.
714 2016-05-17  Gerald Pfeifer  <gerald@pfeifer.com>
716         * wide-int.h: Change fixed_wide_int_storage from class to struct.
718 2016-05-17  Richard Biener  <rguenther@suse.de>
720         PR tree-optimization/71132
721         * tree-loop-distribution.c (create_rdg_cd_edges): Pass in loop.
722         Only add control dependences for blocks in the loop.
723         (build_rdg): Adjust.
724         (generate_code_for_partition): Return whether loop should
725         be destroyed and delay that.
726         (distribute_loop): Likewise.
727         (pass_loop_distribution::execute): Record loops to be destroyed
728         and perform delayed destroying of loops.
730 2016-05-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
732         PR target/70809
733         * config/aarch64/aarch64-simd.md (aarch64_vmls<mode>): Delete.
735 2016-05-17  James Greenhalgh  <james.greenhalgh@arm.com>
737         * config/aarch64/aarch64-elf.h (ASM_OUTPUT_DEF): Delete.
739 2016-05-17  Ilya Enkovich  <ilya.enkovich@intel.com>
741         PR target/71114
742         * config/i386/i386.c (dimode_scalar_chain::convert_op): Fix
743         insertion point for instructions generated by validize_mem.
745 2016-05-17  James Greenhalgh  <james.greenhalgh@arm.com>
747         * config/aarch64/aarch64.c (SHIFT_COUNT_TRUNCATED): Wrap definition
748         in brackets.
750 2016-05-17  James Greenhalgh  <james.greenhalgh@arm.com>
752         * config/aarch64/aarch64.c
753         (aarch64_output_simd_mov_immediate): Make "buf_size" a variable
754         rather than a macro.
756 2016-05-16  Wilco Dijkstra  <wdijkstr@arm.com>
758         * doc/invoke.texi (AArch64 Options): Various updates.
760 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
762         * ipa-inline-analysis.c (compute_inline_parameters): Disable inlinig
763         into instrumentation thunks.
764         * cif-code.def (CIF_CHKP): New.
766 2016-05-16  Uros Bizjak  <ubizjak@gmail.com>
768         * config/i386/xopintrin.h: Correct "unsinged" typo in the comments.
770 2016-05-16  Martin Jambor  <mjambor@suse.cz>
772         * hsa-gen.c (fillup_for_decl): Increase alignment to natural one.
773         (get_symbol_for_decl): Sorry if a global symbol in under-aligned.
775 2016-05-16  Marek Polacek  <polacek@redhat.com>
777         * gimple.c (maybe_remove_unused_call_args): Fix typos in the
778         commentary.
780 2016-05-16  Martin Jambor  <mjambor@suse.cz>
782         PR hsa/70857
783         * omp-low.c (grid_expand_target_grid_body): Copy RESULT_DECL of
784         the outlined kernel function.
786 2016-05-16  Robert Suchanek  <robert.suchanek@imgtec.com>
788         * config/mips/mips.h (ISA_HAS_LSA): Enable for -mmsa.
789         (ISA_HAS_DLSA): Ditto.
791 2016-05-16  Matthew Fortune  <matthew.fortune@imgtec.com>
793         * config/mips/m5100.md (m51_int_load): Update the latency to 2.
795 2016-05-16  Nathan Sidwell  <nathan@acm.org>
797         * config/nvptx/nvptx.c (nvptx_mangle_decl_assembler_name): Revert.
798         (nvptx_name_replacement): Restore.  Add comment.
799         (write_fn_proto, write_fn_proto_from_insn,
800         nvptx_output_call_insn): Restore
801         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Delete.
803 2016-05-16  Wilco Dijkstra  <wdijkstr@arm.com>
805         * config/aarch64/aarch64.md
806         (add<mode>3_compareC_cconly_imm): Remove use of %w.
807         (add<mode>3_compareC_imm): Likewise.
808         (<optab>si3_uxtw): Split into register and immediate variants.
809         (andsi3_compare0_uxtw): Likewise.
810         (and<mode>3_compare0): Likewise.
811         (and<mode>3nr_compare0): Likewise.
812         (stack_protect_test_<mode>): Don't use %x for memory operands.
814 2016-05-16  Matthew Fortune  <matthew.fortune@imgtec.com>
816         * config/mips/mips-cpus.def (p5600): Add multi-line brackets.
818 2016-05-16  Wilco Dijkstra  <wdijkstr@arm.com>
820          * gcc/config/aarch64/aarch64.md (aarch64_ashl_sisd_or_int_<mode>3):
821         Split integer shifts into shift_reg and bfm.
822         (aarch64_lshr_sisd_or_int_<mode>3): Likewise.
823         (aarch64_ashr_sisd_or_int_<mode>3): Likewise.
824         (ror<mode>3_insn): Likewise.
825         (<optab>si3_insn_uxtw): Likewise.
826         (<optab><mode>3_insn): Change to rotate_imm.
827         (extr<mode>5_insn_alt): Likewise.
828         (extrsi5_insn_uxtw): Likewise.
829         (extrsi5_insn_uxtw_alt): Likewise.
831 2016-05-16  Matthew Wahab  <matthew.wahab@arm.com>
833         * doc/tm.texi: Regenerate.
834         * doc/tm.texi.in (TARGET_INVALID_PARAMETER_TYPE): Remove.
835         (TARGET_INVALID_RETURN_TYPE): Remove.
836         * system.h: Poison TARGET_INVALID_PARAMETER_TYPE and
837         TARGET_INVALID_RETURN_TYPE.
838         * target.def (invalid_parameter_type): Remove.
839         (invalid_return_type): Remove.
841 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
843         * ipa-inline-analysis.c (compute_inline_parameters): Be more reailistic
844         on estimating thunk bodies; do not set inline_failed to CIF_THUNK for
845         calls from thunk.
846         * ipa-inline-transform.c (inline_call): When inlining into thunk produce
847         gimple body.
848         (preserve_function_body_p): No need to preserve function body
849         * cif-codes.def (CIF_THUNK): Remove.
850         * cgraphclones.c (duplicate_thunk_for_node): Thunks calls are inlinable.
852 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
854         * tree-inline.c (expand_call_inline): recurse after inlining thunk.
856 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
858         * tree.c (free_lang_data_in_decl): Also set target/optimization flags
859         for thunks.
861 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
863         * ipa-inline.c (report_inline_failed_reason): Look into thunks, too
864         (inline_small_functions): Do not look for function symbol when
865         resetting caches.
867 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
869         * lto-cgraph.c (compute_ltrans_boundary, output_symtab): Fix handling
870         of inline thunks
872 2016-05-16  Matthew Wahab  <matthew.wahab@arm.com>
873             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
874             Jiong Wang  <jiong.wang@arm.com>
876         * config/arm/arm-c.c (arm_cpu_builtins): Use def_or_undef_macro
877         for __ARM_FP16_FORMAT_IEEE and __ARM_FP16_FORMAT_ALTERNATIVE.
878         Define __ARM_FP16_ARGS when appropriate.
879         * config/arm/arm.c (arm_invalid_parameter_type): Remove
880         declaration.
881         (arm_invalid_return_type): Likewise.
882         (TARGET_INVALID_PARAMETER_TYPE): Remove.
883         (TARGET_INVALID_RETURN_TYPE): Remove.
884         (aapcs_vfp_sub_candidate): Allow HFmode.
885         (aapcs_vfp_allocate): Add comment.  Support HFmode.
886         (aapcs_vfp_allocate_return_reg): Likewise.
887         (struct aapcs_cp_arg_layout): Slightly reword comments for
888         is_return_candidate and allocate_return_reg.
889         (output_mov_vfp): Update assert.
890         (arm_hard_regno_mode_ok): Remove comment, update HF-mode
891         condition.
892         (arm_invalid_parameter_type): Remove.
893         (amr_invalid_return_type): Remove.
894         * config/arm/arm.h (TARGET_NEON_FP16): Fix definition.
895         * config/arm/arm.md (*arm32_movhf): Disable for TARGET_VFP.
896         * config/arm/vfp.md (*movhf_vfp): Enable for TARGET_VFP.
898 2016-05-16  Matthew Wahab  <matthew.wahab@arm.com>
900         * config/aarch64/aarch64.h (LEGITIMIZE_RELOAD_ADDRESS): Remove.
901         * config/aarch64/arch64-protos.h
902         (aarch64_legitimize_reload_address): Remove.
903         * config/aarch64/aarch64.c (aarch64_legitimize_reload_address):
904         Remove.
906 2016-05-16  Eric Botcazou  <ebotcazou@adacore.com>
908         * configure.ac: Add ACX_NONCANONICAL_HOST.
909         * configure: Regenerate.
910         * Makefile.in: Set host_noncanonical.
912 2016-05-14  Uros Bizjak  <ubizjak@gmail.com>
914         PR target/71097
915         * config/i386/i386.md (*movtf_internal): Before register allocation,
916         do not allow FP constants for CM_MEDIUM memory model, allow only
917         standard FP constants for CM_LARGE and CM_LARGE_PIC models.
918         (*movxf_internal): Ditto.
919         (*movdf_internal): Ditto.
920         (*movsf_internal): Ditto.
922 2016-05-13  Segher Boessenkool  <segher@kernel.crashing.org>
924         PR rtl-optimization/67483
925         * combine.c (make_compound_operation): Don't call extract_left_shift
926         with negative shift amounts.
928 2016-05-13  Jakub Jelinek  <jakub@redhat.com>
930         PR bootstrap/71071
931         * fold-const.c (fold_checksum_tree): Allow modification
932         of TYPE_ALIAS_SET during folding.
934         * config/i386/i386.c (ix86_compute_frame_layout, ix86_expand_prologue,
935         ix86_expand_split_stack_prologue): Use HOST_WIDE_INT_C macro.
936         (ix86_split_to_parts): Likewise.  Fix up formatting.
938 2016-05-13  H.J. Lu  <hongjiu.lu@intel.com>
940         * tree-ssa-loop-ivopts.c (create_new_ivs): Cast to
941         unsigned HOST_WIDE_INT with HOST_WIDE_INT_PRINT_UNSIGNED in
942         printf format.
944 2016-05-13  Nathan Sidwell  <nathan@acm.org>
946         * config/nvptx/nvptx.c (nvptx_mangle_decl_assembler_name): New.
947         (nvptx_name_replacement): Delete.
948         (write_fn_proto, write_fn_proto_from_insn,
949         nvptx_output_call_insn): Remove nvptx_name_replacement call.
950         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Override.
951         * langhooks.c (add_builtin_funcction_common): Call
952         targetm.mangle_decl_assembler_name.
954         * config/nvptx/nvptx.c (write_fn_proto): Handle
955         BUILT_IN_ATOMIC_COMPARE_EXCHANGE_n oddity.
957 2016-05-13  Martin Liska  <mliska@suse.cz>
959         * tree-ssa-loop-ivopts.c (create_new_ivs): Use HOST_WIDE_INT_PRINT_DEC
960         and PRIu64 in printf format.
962 2016-05-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
964         * tree-ssa-loop-ivanon.c (try_unroll_loop_completely): Typo fix in
965         comment.
967 2016-05-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
969         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
970         Change --param max-completely-peeled-times to
971         --param max-completely-peel-times in dump file printing.
973 2016-05-13  Richard Biener  <rguenther@suse.de>
975         PR tree-optimization/42587
976         * tree-ssa-math-opts.c (perform_symbolic_merge): Handle BIT_FIELD_REF.
977         (find_bswap_or_nop_1): Likewise.
978         (bswap_replace): Likewise.
980 2016-05-13  Martin Liska  <mliska@suse.cz>
982         * tree-vect-patterns.c (vect_recog_mask_conversion_pattern):
983         Initialize a variable with default value.
985 2016-05-13  Martin Liska  <mliska@suse.cz>
987         * doc/invoke.texi: Enhance explanation of error recovery
988         of sanitizers.
990 2016-05-13  Martin Liska  <mliska@suse.cz>
992         * tree-ssa-loop-ivopts.c (avg_loop_niter): Fix coding style.
993         (struct cost_pair): Change inv_expr_id (int) to inv_expr
994         (iv_inv_expr_ent *).
995         (struct iv_inv_expr_ent): Comment struct fields.
996         (sort_iv_inv_expr_ent): New function.
997         (struct ivopts_data): Rename inv_expr_id to max_inv_expr_id.
998         (struct iv_ca): Replace used_inv_expr and num_used_inv_expr with
999         a hash_map between iv_inv_expr_ent and number of usages.
1000         (niter_for_exit): Fix coding style.
1001         (tree_ssa_iv_optimize_init): Use renamed variable.
1002         (determine_base_object): Fix coding style.
1003         (alloc_iv): Likewise.
1004         (find_interesting_uses_outside): Likewise.
1005         (add_candidate_1): Likewise.
1006         (add_standard_iv_candidates): Likewise.
1007         (set_group_iv_cost): Replace inv_expr_id with inv_expr.
1008         (prepare_decl_rtl): Fix coding style.
1009         (get_address_cost): Likewise.
1010         (get_shiftadd_cost): Likewise.
1011         (force_expr_to_var_cost): Likewise.
1012         (compare_aff_trees): Likewise.
1013         (get_expr_id): Restructure the function.
1014         (get_loop_invariant_expr_id): Renamed to
1015         get_loop_invariant_expr.
1016         (get_computation_cost_at): Replace usage of inv_expr_id with
1017         inv_expr.
1018         (get_computation_cost): Likewise.
1019         (determine_group_iv_cost_generic): Likewise.
1020         (determine_group_iv_cost_address): Likewise.
1021         (iv_period): Fix coding style.
1022         (iv_elimination_compare_lt): Likewise.
1023         (may_eliminate_iv): Likewise.
1024         (determine_group_iv_cost_cond):  Replace usage of inv_expr_id with
1025         inv_expr.
1026         (determine_group_iv_costs): Dump invariant expressions.
1027         (iv_ca_recount_cost): Use the newly added hash_map.
1028         (iv_ca_set_remove_invariants): Fix coding style.
1029         (iv_ca_set_add_invariants): Fix coding style.
1030         (iv_ca_set_no_cp): Utilize the newly added hash_map for used
1031         invariants.
1032         (iv_ca_set_cp): Likewise.
1033         (iv_ca_new): Initialize the newly added hash_map and remove
1034         initialization of fields.
1035         (iv_ca_free): Delete the hash_map.
1036         (iv_ca_dump): Dump invariant expressions.
1037         (iv_ca_extend): Fix coding style.
1038         (try_add_cand_for): Likewise.
1039         (create_new_ivs): Dump information about # of avg iterations and
1040         # of used invariant expressions.
1041         (rewrite_use_compare): Fix coding style.
1042         (free_loop_data): Set default value for max_inv_expr_id.
1044 2016-05-13  Ilya Enkovich  <ilya.enkovich@intel.com>
1046         * cse.c (rest_of_handle_cse): Use cleanup_cfg
1047         returned value cse_cfg_altered computation.
1048         (rest_of_handle_cse2): Likewise.
1049         (rest_of_handle_cse_after_global_opts): Likewise.
1051 2016-05-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1053         PR target/53440
1054         * config/arm/arm.c (arm32_output_mi_thunk): New.
1055         (arm_output_mi_thunk): Rename to arm_thumb1_mi_thunk. Rework
1056         to split Thumb1 vs TARGET_32BIT functionality.
1057         (arm_thumb1_mi_thunk): New.
1059 2016-05-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1061         * config/aarch64/aarch64.c (TARGET_OMIT_STRUCT_RETURN_REG): Set
1062         to true.
1064 2016-05-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1066         PR target/71080
1067         * config/i386/i386.c (ix86_in_large_data_p): Guard against NULL exp.
1069 2016-05-13  Eric Botcazou  <ebotcazou@adacore.com>
1071         * builtins.c (expand_builtin_memcmp): Do not emit the call here.
1072         (expand_builtin_trap): Emit a regular call.
1073         (set_builtin_user_assembler_name): Remove obsolete cases.
1074         * dse.c (scan_insn): Adjust.
1075         * except.c: Include calls.h.
1076         (sjlj_emit_function_enter): If DONT_USE_BUILTIN_SETJMP is defined,
1077         emit a regular call to setjmp.
1078         * expr.c (emit_block_move_hints): Call emit_block_copy_via_libcall.
1079         (block_move_libcall_safe_for_call_parm): Use memcpy builtin.
1080         (emit_block_move_via_libcall): Delete.
1081         (block_move_fn): Delete.
1082         (init_block_move_fn): Likewise.
1083         (emit_block_move_libcall_fn): Likewise.
1084         (emit_block_op_via_libcall): New function.
1085         (set_storage_via_libcall): Tidy up and use memset builtin.
1086         (block_clear_fn): Delete.
1087         (init_block_clear_fn): Likewise.
1088         (clear_storage_libcall_fn): Likewise.
1089         (expand_assignment): Call emit_block_move_via_libcall.
1090         Do not include gt-expr.h.
1091         * expr.h (emit_block_op_via_libcall): Declare.
1092         (emit_block_copy_via_libcall): New inline function.
1093         (emit_block_move_via_libcall): Likewise.
1094         (emit_block_comp_via_libcall): Likewise.
1095         (block_clear_fn): Delete.
1096         (init_block_move_fn): Likewise.
1097         (init_block_clear_fn): Likewise.
1098         (emit_block_move_via_libcall): Likewise.
1099         (set_storage_via_libcall): Add default parameter value.
1100         * libfuncs.h (enum libfunc_index): Remove obsolete values.
1101         (abort_libfunc): Delete.
1102         (memcpy_libfunc): Likewise.
1103         (memmove_libfunc): Likewise.
1104         (memcmp_libfunc): Likewise.
1105         (memset_libfunc): Likewise.
1106         (setbits_libfunc): Likewise.
1107         (setjmp_libfunc): Likewise.
1108         (longjmp_libfunc): Likewise.
1109         (profile_function_entry_libfunc): Likewise.
1110         (profile_function_exit_libfunc): Likewise.
1111         (gcov_flush_libfunc): Likewise.
1112         * optabs-libfuncs.c (build_libfunc_function): Set DECL_ARTIFICIAL
1113         and DECL_VISIBILITY on the declaration.
1114         (init_optabs): Do not initialize obsolete libfuncs.
1115         * optabs.c (prepare_cmp_insn): Call emit_block_comp_via_libcall.
1116         * tree-core.h (ECF_RET1): Define.
1117         (ECF_TM_PURE): Adjust.
1118         (ECF_TM_BUILTIN): Likewise.
1119         * tree.c (set_call_expr_flags): Deal with ECF_RET1.
1120         (build_common_builtin_nodes): Initialize abort builtin.
1121         Add ECF_RET1 on memcpy, memmove and memset builtins.
1122         Pass final flags for alloca and alloca_with_align builtins.
1123         * config/alpha/alpha.c (alpha_init_libfuncs): Do not initialize
1124         obsolete builtins.
1125         * config/ia64/ia64.c (ia64_vms_init_libfuncs): Likewise.
1126         * config/i386/i386.c (ix86_expand_set_or_movmem): Adjust call to
1127         set_storage_via_libcall and call emit_block_copy_via_libcall.
1129 2016-05-12  Uros Bizjak  <ubizjak@gmail.com>
1131         * config/i386/i386.md (*call_got_x32): Change operand 0 to
1132         DImode before it is passed to ix86_output_call_operand.
1133         (*call_value_got_x32): Ditto for operand 1.
1135 2016-05-12  Jiong Wang  <jiong.wang@arm.com>
1137         PR rtl-optimization/70904
1138         * lra-constraint.c (process_addr_reg): Relax the restriction on subreg
1139         reload for wide mode.
1141 2016-05-12  Marek Polacek  <polacek@redhat.com>
1143         PR c/70756
1144         * langhooks-def.h (lhd_incomplete_type_error): Adjust declaration.
1145         * langhooks.c (lhd_incomplete_type_error): Add location parameter.
1146         * langhooks.h (incomplete_type_error): Likewise.
1147         * tree.c (size_in_bytes_loc): Renamed from size_in_bytes.  Add location
1148         parameter, pass it down to incomplete_type_error.
1149         * tree.h (size_in_bytes): New inline overload.
1150         (size_in_bytes_loc): Renamed from size_in_bytes.
1152 2016-05-12  Richard Biener  <rguenther@suse.de>
1154         PR tree-optimization/71059
1155         * tree-ssa-pre.c (phi_translate_1): Fully fold translated
1156         nary before looking up or entering the expression into the VN
1157         hashes.
1158         * tree-ssa-sccvn.c (vn_nary_build_or_lookup): Fix comment typo.
1159         Make sure to re-use NARYs without result as inserted by
1160         phi-translation.
1162 2016-05-12  Richard Biener  <rguenther@suse.de>
1164         PR tree-optimization/71062
1165         * tree-ssa-alias.h (struct pt_solution): Add vars_contains_restrict
1166         field.
1167         * tree-ssa-structalias.c (set_uids_in_ptset): Set
1168         vars_contains_restrict if the var is a restrict tag.
1169         * tree-ssa-alias.c (ptrs_compare_unequal): If vars_contains_restrict
1170         do not disambiguate pointers against it.
1171         (dump_points_to_solution): Re-structure and adjust for new
1172         vars_contains_restrict flag.
1173         * gimple-pretty-print.c (pp_points_to_solution): Likewise.
1175 2016-05-12  Martin Liska  <mliska@suse.cz>
1177         * doc/invoke.texi: Explain connection between
1178         -fsanitize-recover=address and ASAN_OPTIONS="halt_on_error=1".
1180 2016-05-12  Ilya Enkovich  <ilya.enkovich@intel.com>
1182         PR tree-optimization/71006
1183         * tree-vect-loop.c (vect_determine_vectorization_factor): Don't
1184         consider COND_EXPR as a mask producer.
1186 2016-05-12  Marek Polacek  <polacek@redhat.com>
1188         PR driver/71063
1189         * opts.c (common_handle_option): Detect missing argument for --help^.
1191 2016-05-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1193         PR target/70830
1194         * config/arm/arm.c (arm_output_multireg_pop): Avoid POP instruction
1195         when popping the PC and within an interrupt handler routine.
1196         Add missing tab to output of "ldmfd".
1197         (output_return_instruction): Output LDMFD with SP update rather
1198         than POP when returning from interrupt handler.
1200 2016-05-12  Jakub Jelinek  <jakub@redhat.com>
1202         * config/i386/i386.md (isa): Add x64_avx512dq, enable if
1203         TARGET_64BIT && TARGET_AVX512DQ.
1204         * config/i386/sse.md (*vec_extract<mode>): Add avx512bw alternatives.
1205         (*vec_extract<PEXTR_MODE12:mode>_zext): Add avx512bw alternative.
1206         (*vec_extract<ssevecmodelower>_0, *vec_extractv4si_0_zext,
1207         *vec_extractv2di_0_sse): Use v constraint instead of x constraint.
1208         (*vec_extractv4si): Add avx512dq and avx512bw alternatives.
1209         (*vec_extractv4si_zext): Add avx512dq alternative.
1210         (*vec_extractv2di_1): Add x64_avx512dq and avx512bw alternatives,
1211         use v instead of x constraint in other alternatives where possible.
1213         * config/i386/sse.md (sse2_loadld): Use v instead of x
1214         constraint in alternatives 0,1,4.
1216         * config/i386/sse.md (pinsr_evex_isa): New mode attr.
1217         (<sse2p4_1>_pinsr<ssemodesuffix>): Add 2 alternatives with
1218         v constraints instead of x and <pinsr_evex_isa> isa attribute.
1220         PR target/71019
1221         * config/i386/sse.md (<sse2_avx2>_packssdw<mask_name>,
1222         <sse4_1_avx2>_packusdw<mask_name>): Make sure EVEX encoded insn
1223         is not emitted unless TARGET_AVX512BW.
1224         (<sse2_avx2>_packuswb<mask_name>, <sse2_avx2>_packsswb<mask_name>):
1225         Likewise.  For TARGET_AVX512BW, use "=v" constraint instead of "=x"
1226         for the result operand.
1228         * config/i386/sse.md (*vec_setv4sf_sse4_1, sse4_1_insertps): Use v
1229         constraint instead of x in avx alternatives.  Use maybe_evex instead
1230         of vex prefix.
1232         * config/i386/constraints.md (Yv): New constraint.
1233         * config/i386/i386.h (VALID_AVX512VL_128_REG_MODE): Allow
1234         TFmode and V1TImode in xmm16+ registers for TARGET_AVX512VL.
1235         * config/i386/i386.md (avx512fvecmode): New mode attr.
1236         (*pushtf): Use v constraint instead of x.
1237         (*movtf_internal): Likewise.  For TARGET_AVX512VL and
1238         xmm16+ registers, use vmovdqu64 or vmovdqa64 instructions.
1239         (*absneg<mode>2): Use Yv constraint instead of x constraint.
1240         (*absnegtf2_sse): Likewise.
1241         (copysign<mode>3_const, copysign<mode>3_var): Likewise.
1242         * config/i386/sse.md (*andnot<mode>3): Add avx512vl and
1243         avx512f alternatives.
1244         (*andnottf3, *<code><mode>3, *<code>tf3): Likewise.
1246 2016-05-12  Richard Biener  <rguenther@suse.de>
1248         PR tree-optimization/71060
1249         * tree-data-ref.c (initialize_data_dependence_relation): Do not
1250         require exact match of DR_BASE_OBJECT but only matching address and
1251         type.
1253 2016-05-12  Richard Biener  <rguenther@suse.de>
1255         PR tree-optimization/70986
1256         * cfganal.c: Include cfgloop.h.
1257         (dfs_find_deadend): Prefer to take edges exiting loops.
1259 2016-05-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1261         * gcc.target/powerpc/pr70963.c: Require at least power8 at both
1262         compile and run time.
1264 2016-05-11  Mikhail Maltsev  <maltsevm@gmail.com>
1266         PR c/43651
1267         * doc/invoke.texi (Wduplicate-decl-specifier): Document new option.
1269 2016-05-11  Uros Bizjak  <ubizjak@gmail.com>
1271         * config/i386/i386.c (legitimize_pic_address): Use
1272         copy_to_suggested_reg instead of gen_movsi.
1274 2016-05-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
1276         * config/rs6000/predicates.md (quad_memory_operand): Move most of
1277         the code into quad_address_p and call it to share code with
1278         vsx_quad_dform_memory_operand.
1279         (vsx_quad_dform_memory_operand): New predicate for ISA 3.0 vector
1280         d-form support.
1281         * config/rs6000/rs6000.opt (-mlra): Switch to being an option mask
1282         bit instead of being a separate word.  Split -mpower9-dform into
1283         two switches, -mpower9-dform-scalar and -mpower9-dform-vector.
1284         * config/rs6000/rs6000.c (RELOAD_REG_QUAD_OFFSET): New addr_mask
1285         for the register class supporting 128-bit quad word memory offsets.
1286         (mode_supports_vsx_dform_quad): Helper function to return if the
1287         register class uses quad word memory offsets.
1288         (rs6000_debug_addr_mask): Add support for quad word memory offsets.
1289         (rs6000_debug_reg_global): Always print if we are using LRA or not.
1290         (rs6000_setup_reg_addr_masks): If ISA 3.0 vector d-form
1291         instructions are enabled, set up the appropriate addr_masks for
1292         128-bit types.
1293         (rs6000_init_hard_regno_mode_ok): wb constraint is now based on
1294         -mpower9-dform-scalar, instead of -mpower9-dform.
1295         (rs6000_option_override_internal): Split -mpower9-dform into two
1296         switches, -mpower9-dform-scalar and -mpower9-dform-vector.  The
1297         -mpower9-dform switch sets or clears both.  If we are not using
1298         the LRA register allocator, do not enable -mpower9-dform-vector by
1299         default.  If we are using LRA, enable -mpower9-dform-vector and
1300         -mvsx-timode if it is appropriate.  Issue a warning if either
1301         -mpower9-dform-vector or -mvsx-timode are explicitly used without
1302         enabling LRA.
1303         (quad_address_offset_p): New helper function to return if the
1304         offset is legal for quad word memory instructions.
1305         (quad_address_p): New function to determin if GPR or vector
1306         register quad word memory addresses are legal.
1307         (mem_operand_gpr): Validate quad word address offsets.
1308         (reg_offset_addressing_ok_p): Add support for ISA 3.0 vector
1309         d-form (register + offset) instructions.
1310         (offsettable_ok_by_alignment): Likewise.
1311         (rs6000_legitimate_offset_address_p): Likewise.
1312         (legitimate_lo_sum_address_p): Likewise.
1313         (rs6000_legitimize_address): Likewise.
1314         (rs6000_legitimize_reload_address): Add more debug statements for
1315         -mdebug=addr.
1316         (rs6000_legitimate_address_p): Add support for ISA 3.0 vector
1317         d-form instructions.
1318         (rs6000_secondary_reload_memory): Add support for ISA 3.0 vector
1319         d-form instructions.  Distinguish different cases in debug
1320         output. (rs6000_secondary_reload_inner): Add support for ISA 3.0 vector
1321         d-form instructions.
1322         (rs6000_preferred_reload_class): Likewise.
1323         (rs6000_output_move_128bit): Add support for ISA 3.0 d-form
1324         instructions.  If ISA 3.0 is available, generate lxvx/stxvx instead
1325         of the ISA 2.06 indexed memory instructions.
1326         (rs6000_emit_prologue): If we have ISA 3.0 d-form instructions,
1327         use them to save/restore the saved vector registers instead of
1328         using Altivec instructions.
1329         (rs6000_emit_epilogue): Likewise.
1330         (rs6000_lra_p): Use TARGET_LRA instead of the old option word.
1331         (rs6000_opt_masks): Split -mpower9-dform into
1332         -mpower9-dform-scalar and -mpower9-dform-vector.
1333         (rs6000_print_options_internal): Print -mno-<switch> if <switch>
1334         was not selected.
1335         * config/rs6000/vsx.md (p9_vecload_<mode>): Delete hack to emit
1336         ISA 3.0 vector indexed memory instructions, and fold the code into
1337         the normal mov<mode> patterns.
1338         (p9_vecstore_<mode>): Likewise.
1339         (vsx_mov<mode>): Add support for ISA 3.0 vector d-form
1340         instructions.
1341         (vsx_movti_64bit): Likewise.
1342         (vsx_movti_32bit): Likewise.
1343         * config/rs6000/constraints.md (wO constraint): New constraint for
1344         ISA 3.0 vector d-form support.
1345         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Use
1346         -mpower9-dform-scalar instead of -mpower9-dform.  Add note not to
1347         include -mpower9-dform-vector until we switch over to LRA.
1348         (POWERPC_MASKS): Add -mlra. Split -mpower9-dform into two.
1349         switches, -mpower9-dform-scalar and -mpower9-dform-vector.
1350         * config/rs6000/rs6000-protos.h (quad_address_p): Add declaration.
1351         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
1352         for -mpower9-dform and -mlra.
1353         * doc/md.texi (wO constraint): Document wO constraint.
1355 2016-05-11  Alexander Monakov  <amonakov@ispras.ru>
1357         * genattr.c (main): Change 'rtx' to 'rtx_insn *' in prototypes of
1358         'insn_latency', 'maximal_insn_latency', 'min_insn_conflict_delay'.
1359         * genautomata.c (output_internal_insn_code_evaluation): Simplify.
1360         Move handling of non-insn arguments inline into the sole user:
1361         (output_trans_func): ...here.
1362         (output_min_insn_conflict_delay_func): Change 'rtx' to 'rtx_insn *'
1363         in emitted function prototype.
1364         (output_internal_insn_latency_func): Ditto.  Simplify.
1365         (output_internal_maximal_insn_latency_func): Ditto.  Delete
1366         always-unused argument.
1367         (output_insn_latency_func): Ditto.
1368         (output_maximal_insn_latency_func): Ditto.
1370 2016-05-11  Richard Biener  <rguenther@suse.de>
1372         PR tree-optimization/71055
1373         * tree-ssa-sccvn.c (vn_reference_lookup_3): When native-interpreting
1374         sth with precision not equal to access size verify we don't chop
1375         off bits.
1377 2016-05-11  Richard Biener  <rguenther@suse.de>
1379         PR debug/71057
1380         * dwarf2out.c (retry_incomplete_types): Set early_dwarf.
1381         (dwarf2out_finish): Move retry_incomplete_types call ...
1382         (dwarf2out_early_finish): ... here.
1384 2016-05-11  Richard Biener  <rguenther@suse.de>
1386         PR middle-end/71002
1387         * alias.c (reference_alias_ptr_type): Preserve alias-set zero
1388         if the langhook insists on it.
1389         * fold-const.c (make_bit_field_ref): Add arg for the original
1390         reference and preserve its alias-set.
1391         (decode_field_reference): Take exp by reference and adjust it
1392         to the original memory reference.
1393         (optimize_bit_field_compare): Adjust callers.
1394         (fold_truth_andor_1): Likewise.
1395         * gimplify.c (gimplify_expr): Adjust in-SSA form test.
1397 2016-05-11  Ilya Enkovich  <ilya.enkovich@intel.com>
1399         PR middle-end/70807
1400         * cfgrtl.h (delete_insn_and_edges): Now return bool.
1401         * cfgrtl.c (delete_insn_and_edges): Likewise.
1402         * config/i386/i386.c (convert_scalars_to_vector): Remove
1403         redundant code.
1404         * cse.c (cse_insn): Compute cse_cfg_altered.
1405         (delete_trivially_dead_insns): Likewise.
1406         (cse_cc_succs): Likewise.
1407         (rest_of_handle_cse): Free dominance info if required.
1408         (rest_of_handle_cse2): Likewise.
1409         (rest_of_handle_cse_after_global_opts): Likewise.
1411 2016-05-11  Alan Modra  <amodra@gmail.com>
1413         * config/rs6000/rs6000.c (is_complex_IBM_long_double,
1414         abi_v4_pass_in_fpr): New functions.
1415         (rs6000_function_arg_boundary): Exclude complex IBM long double
1416         from 64-bit alignment when ABI_V4.
1417         (rs6000_function_arg, rs6000_function_arg_advance_1,
1418         rs6000_gimplify_va_arg): Use abi_v4_pass_in_fpr.
1420 2016-05-10  Segher Boessenkool  <segher@kernel.crashing.org>
1422         PR rtl-optimization/71028
1423         * cfgcleanup.c (try_optimize_cfg): Do not flip a conditional
1424         jump with just a return in the fallthrough block if the branch
1425         block contains just a return as well.
1427 2016-05-10  Marc Glisse  <marc.glisse@inria.fr>
1429         * fold-const.c (fold_binary_loc) [(X ^ Y) & Y]: Remove and merge with...
1430         * match.pd ((X & Y) ^ Y): ... this.
1431         ((X & Y) & Y, (X | Y) | Y, (X ^ Y) ^ Y, (X & Y) & (X & Z), (X | Y)
1432         | (X | Z), (X ^ Y) ^ (X ^ Z)): New transformations.
1434 2016-05-10  David Malcolm  <dmalcolm@redhat.com>
1436         * read-md.c (require_char_ws): New function.
1437         (read_string): Simplify using require_char_ws.
1438         (handle_constants): Likewise.
1439         (handle_enum): Likewise.
1440         (handle_file): Likewise.
1441         * read-md.h (require_char_ws): New declaration.
1442         * read-rtl.c (read_conditions): Simplify using require_char_ws.
1443         (read_mapping): Likewise.
1444         (read_rtx_code): Likewise.
1445         (read_nested_rtx): Likewise.
1447 2016-05-10  James Norris  <jnorris@codesourcery.com>
1449         * config/rs6000/sysv4.h (CRTOFFLOADBEGIN): Define. Add crtoffloadbegin.o
1450         if offloading is enabled and -fopenacc or -fopenmp is specified.
1451         (CRTOFFLOADEND): Likewise.
1452         (STARTFILE_LINUX_SPEC): Add CRTOFFLOADBEGIN.
1453         (ENDFILE_LINUX_SPEC): Add CRTOFFLOADEND.
1455 2016-05-10  Uros Bizjak  <ubizjak@gmail.com>
1457         * config/i386/i386.c (legitimize_pic_address): Merge 64-bit and 32-bit
1458         gotoff_operand code paths.  Use copy_to_suggested_regs and
1459         expand_simple_binop where appropriate.  Cleanup.
1461 2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>
1463         PR target/70799
1464         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p): Allow
1465         integer constants.
1466         (dimode_scalar_chain::vector_const_cost): New.
1467         (dimode_scalar_chain::compute_convert_gain): Handle constants.
1468         (dimode_scalar_chain::convert_op): Likewise.
1469         (dimode_scalar_chain::convert_insn): Likewise.
1471 2016-05-10  Pierre-Marie de Rodat  <derodat@adacore.com>
1473         * dwarf2out.c (resolve_args_picking_1): Consider DW_OP_neg as an
1474         unary operation, not a binary one.
1476 2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>
1478         PR middle-end/70877
1479         * tree-chkp.c (chkp_add_bounds_to_call_stmt): Handle
1480         calls with type casted fndecl.
1482 2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>
1484         PR tree-optimization/70786
1485         * tree-chkp.c (chkp_find_bounds_1): Support WITH_SIZE_EXPR.
1486         * gcc/calls.c (initialize_argument_information): Bind bounds
1487         with corresponding args passed by reference.
1489 2016-05-10  Jakub Jelinek  <jakub@redhat.com>
1491         PR target/70927
1492         * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>),
1493         *<code><mode>3<mask_name>): For !TARGET_AVX512DQ and EVEX encoding,
1494         use vp*[dq] instead of v*p[sd] instructions and adjust mode attribute
1495         accordingly.
1497 2016-05-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1499         PR target/70963
1500         * config/rs6000/vsx.md (vsx_xvcvdpsxds_scale): Generate correct
1501         code for a zero scale factor.
1502         (vsx_xvcvdpuxds_scale): Likewise.
1504 2016-05-10  David Malcolm  <dmalcolm@redhat.com>
1506         * diagnostic-show-locus.c (layout::layout): Call show_ruler
1507         if show_ruler_p was set on the context.
1508         (layout::show_ruler): New method.
1509         * diagnostic.h (struct diagnostic_context): Add field
1510         "show_ruler_p".
1512 2016-05-10  Richard Biener  <rguenther@suse.de>
1514         PR tree-optimization/71039
1515         * tree-ssa-phiprop.c: Include tree-ssa-loop.h.
1516         (chk_uses): New function.
1517         (propagate_with_phi): Verify we can safely replicate the lhs of an
1518         aggregate assignment on all incoming edges.
1520 2016-05-10  Oleg Endo  <olegendo@gcc.gnu.org>
1522         * config/rx/rx-protos.h (is_interrupt_func, is_fast_interrupt_func):
1523         Forward declare.
1524         (rx_atomic_sequence): New class.
1525         * config/rx/rx.c (rx_print_operand): Use symbolic names for PSW bits.
1526         (is_interrupt_func, is_fast_interrupt_func): Make non-static and
1527         non-inline.
1528         (rx_atomic_sequence::rx_atomic_sequence,
1529         rx_atomic_sequence::~rx_atomic_sequence): New functions.
1530         * config/rx/rx.md (CTRLREG_PSW, CTRLREG_USP, CTRLREG_FPSW, CTRLREG_CPEN,
1531         CTRLREG_BPSW, CTRLREG_BPC, CTRLREG_ISP, CTRLREG_FINTV,
1532         CTRLREG_INTB): New constants.
1533         (FETCHOP): New code iterator.
1534         (fethcop_name, fetchop_name2): New iterator code attributes.
1535         (QIHI): New mode iterator.
1536         (atomic_exchange<mode>, atomic_exchangesi, xchg_mem<mode>,
1537         atomic_fetch_<fetchop_name>si, atomic_fetch_nandsi,
1538         atomic_<fetchop_name>_fetchsi, atomic_nand_fetchsi): New patterns.
1540 2016-05-10  Martin Liska  <mliska@suse.cz>
1542         * tree-inline.c (remap_dependence_clique): Do not remap
1543         debugging statements.
1545 2016-05-10  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1547         * config/s390/s390.md ("*vec_cmp<insn_cmp>df_cconly")
1548         ("*fixuns_truncdfdi2_z13")
1549         ("*fixuns_trunc<FP:mode><GPR:mode>2_z196")
1550         ("*fix_truncdfdi2_bfp_z13", "*floatunsdidf2_z13")
1551         ("*extendsfdf2_z13"): Replace TARGET_Z13 with TARGET_VX.
1553 2016-05-10  Richard Biener  <rguenther@suse.de>
1555         PR tree-optimization/70497
1556         PR tree-optimization/28367
1557         * tree-ssa-sccvn.c (vn_nary_build_or_lookup): New function
1558         split out from ...
1559         (visit_reference_op_load): ... here.
1560         (vn_reference_lookup_3): Use it to handle subreg-like accesses
1561         with simplified BIT_FIELD_REFs.
1562         * tree-ssa-pre.c (eliminate_insert): Handle inserting BIT_FIELD_REFs.
1563         * tree-complex.c (extract_component): Handle BIT_FIELD_REFs
1564         correctly.
1566 2016-05-10  Pierre-Marie de Rodat  <derodat@adacore.com>
1568         * dwarf2out.c (add_abstract_origin_attribute): Adjust
1569         documentation comment.  For BLOCK nodes, add a
1570         DW_AT_abstract_origin attribute that points to the DIE generated
1571         for the origin BLOCK.
1572         (gen_lexical_block_die): Call add_abstract_origin_attribute for
1573         blocks from inlined functions.
1575 2016-05-10  Alan Modra  <amodra@gmail.com>
1577         PR target/70947
1578         * config/rs6000/rs6000.c (rs6000_expand_split_stack_prologue): Stop
1579         regrename modifying insns saving lr before __morestack call.
1580         * config/rs6000/rs6000.md (split_stack_return): Similarly for
1581         insns restoring lr after __morestack call.
1583 2016-05-09  Jakub Jelinek  <jakub@redhat.com>
1585         * config/i386/i386.md (set_got, set_got_labelled, lwp_llwpcb,
1586         lwp_lwpval<mode>3, lwp_lwpins<mode>3): Remove constraints from
1587         expanders.
1588         * config/i386/sse.md (vec_interleave_high<mode>,
1589         vec_interleave_low<mode>, <avx512>_vpermi2var<mode>3_maskz,
1590         <avx512>_vpermt2var<mode>3_maskz): Likewise.
1592 2016-05-04  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
1594         * config/rs6000/rs6000.c (rs6000_reassociation_width): Add
1595         function for TARGET_SCHED_REASSOCIATION_WIDTH to enable
1596         parallel reassociation for power8 and forward.
1598 2016-05-09  Uros Bizjak  <ubizjak@gmail.com>
1600         * config/i386/i386.md (absneg splitters with general regs): Use
1601         general_reg_operand predicate.
1602         (btsq peephole2): Use x86_64_immediate_operand to check if new
1603         value is suitable for immediate operand.  Generate emitted insn
1604         using RTL expressions.
1605         (btcq peephole2): Ditto.
1606         (btrq peephole2): Ditto.  Generate correct immediate operand
1607         for AND masking.
1609 2016-05-09  Richard Sandiford  <richard.sandiford@arm.com>
1611         * cfgexpand.c (expand_debug_expr): Fix address offset for negative
1612         bitpos.
1614 2016-05-09  Richard Sandiford  <richard.sandiford@arm.com>
1616         * tree-affine.c (wide_int_constant_multiple_p): Add missing
1617         pointer dereference.
1619 2016-05-09  Richard Biener  <rguenther@suse.de>
1621         PR tree-optimization/70985
1622         * match.pd (BIT_FIELD_REF -> (type)): Disable on GIMPLE when
1623         op0 isn't a gimple register.
1625 2016-05-09  Prachi Godbole  <prachi.godbole@imgtec.com>
1627         * config/mips/i6400.md (i6400_fpu_intadd, i6400_fpu_logic)
1628         (i6400_fpu_div, i6400_fpu_cmp, i6400_fpu_float, i6400_fpu_store)
1629         (i6400_fpu_long_pipe, i6400_fpu_logic_l, i6400_fpu_float_l)
1630         (i6400_fpu_mult): New cpu units.
1631         (i6400_msa_add_d, i6400_msa_int_add, i6400_msa_short_logic3)
1632         (i6400_msa_short_logic2, i6400_msa_short_logic, i6400_msa_move)
1633         (i6400_msa_cmp, i6400_msa_short_float2, i6400_msa_div_d)
1634         (i6400_msa_div_w, i6400_msa_div_h, i6400_msa_div_b)
1635         (i6400_msa_copy, i6400_msa_branch, i6400_fpu_msa_store)
1636         (i6400_fpu_msa_load, i6400_fpu_msa_move, i6400_msa_long_logic1)
1637         (i6400_msa_long_logic2, i6400_msa_mult, i6400_msa_long_float2)
1638         (i6400_msa_long_float4, i6400_msa_long_float5)
1639         (i6400_msa_long_float8, i6400_msa_fdiv_df)
1640         (i6400_msa_fdiv_sf): New reservations.
1641         * config/mips/p5600.md (p5600_fpu_intadd, p5600_fpu_cmp)
1642         (p5600_fpu_float, p5600_fpu_logic_a, p5600_fpu_logic_b)
1643         (p5600_fpu_div, p5600_fpu_logic, p5600_fpu_float_a)
1644         (p5600_fpu_float_b, p5600_fpu_float_c, p5600_fpu_float_d)
1645         (p5600_fpu_mult, p5600_fpu_fdiv, p5600_fpu_load): New cpu units.
1646         (msa_short_int_add, msa_short_logic, msa_short_logic_move_v)
1647         (msa_short_cmp, msa_short_float2, msa_short_logic3)
1648         (msa_short_store4, msa_long_load, msa_short_store)
1649         (msa_long_logic, msa_long_float2, msa_long_float4)
1650         (msa_long_float5, msa_long_float8, msa_long_mult)
1651         (msa_long_fdiv, msa_long_div): New reservations.
1653 2016-05-09  Robert Suchanek  <robert.suchanek@imgtec.com>
1654             Sameera Deshpande  <sameera.deshpande@imgtec.com>
1655             Matthew Fortune  <matthew.fortune@imgtec.com>
1656             Graham Stott  <graham.stott@imgtec.com>
1657             Chao-ying Fu  <chao-ying.fu@imgtec.com>
1659         * config.gcc: Add MSA header file for mips*-*-* target.
1660         * config/mips/constraints.md (YI, YC, YZ, Unv5, Uuv5, Usv5, Uuv6)
1661         (Ubv8i, Urv8):  New constraints.
1662         * config/mips/mips-ftypes.def: Add function types for MSA
1663         builtins.
1664         * config/mips/mips-modes.def (V16QI, V8HI, V4SI, V2DI, V4SF)
1665         (V2DF, V32QI, V16HI, V8SI, V4DI, V8SF, V4DF): New modes.
1666         * config/mips/mips-msa.md: New file.
1667         * config/mips/mips-protos.h
1668         (mips_split_128bit_const_insns): New prototype.
1669         (mips_msa_idiv_insns): Likewise.
1670         (mips_split_128bit_move): Likewise.
1671         (mips_split_128bit_move_p): Likewise.
1672         (mips_split_msa_copy_d): Likewise.
1673         (mips_split_msa_insert_d): Likewise.
1674         (mips_split_msa_fill_d): Likewise.
1675         (mips_expand_msa_branch): Likewise.
1676         (mips_const_vector_same_val_p): Likewise.
1677         (mips_const_vector_same_bytes_p): Likewise.
1678         (mips_const_vector_same_int_p): Likewise.
1679         (mips_const_vector_shuffle_set_p): Likewise.
1680         (mips_const_vector_bitimm_set_p): Likewise.
1681         (mips_const_vector_bitimm_clr_p): Likewise.
1682         (mips_msa_vec_parallel_const_half): Likewise.
1683         (mips_msa_output_division): Likewise.
1684         (mips_ldst_scaled_shift): Likewise.
1685         (mips_expand_vec_cond_expr): Likewise.
1686         * config/mips/mips.c (enum mips_builtin_type): Add
1687         MIPS_BUILTIN_MSA_TEST_BRANCH.
1688         (mips_gen_const_int_vector_shuffle): New prototype.
1689         (mips_const_vector_bitimm_set_p): New function.
1690         (mips_const_vector_bitimm_clr_p): Likewise.
1691         (mips_const_vector_same_val_p): Likewise.
1692         (mips_const_vector_same_bytes_p): Likewise.
1693         (mips_const_vector_same_int_p): Likewise.
1694         (mips_const_vector_shuffle_set_p): Likewise.
1695         (mips_symbol_insns): Forbid loading symbols via immediate for
1696         MSA.
1697         (mips_valid_offset_p): Limit offset to 10-bit for MSA loads and
1698         stores.
1699         (mips_valid_lo_sum_p): Forbid loadings symbols via %lo(base) for
1700         MSA.
1701         (mips_lx_address_p): Add support load indexed address for MSA.
1702         (mips_address_insns): Add calculation of instructions needed for
1703         stores and loads for MSA.
1704         (mips_const_insns): Move CONST_DOUBLE below CONST_VECTOR.  Handle
1705         CONST_VECTOR for MSA and let it fall through.
1706         (mips_ldst_scaled_shift): New function.
1707         (mips_subword_at_byte): Likewise.
1708         (mips_msa_idiv_insns): Likewise.
1709         (mips_legitimize_move): Validate MSA moves.
1710         (mips_rtx_costs): Add UNGE, UNGT, UNLE, UNLT cases.  Add
1711         calculation of costs for MSA division.
1712         (mips_split_move_p): Check if MSA moves need splitting.
1713         (mips_split_move): Split MSA moves if necessary.
1714         (mips_split_128bit_move_p): New function.
1715         (mips_split_128bit_move): Likewise.
1716         (mips_split_msa_copy_d): Likewise.
1717         (mips_split_msa_insert_d): Likewise.
1718         (mips_split_msa_fill_d): Likewise.
1719         (mips_output_move): Handle MSA moves.
1720         (mips_expand_msa_branch): New function.
1721         (mips_print_operand): Add 'E', 'B', 'w', 'v' and 'V' modifiers.
1722         Reinstate 'y' modifier.
1723         (mips_file_start): Add MSA .gnu_attribute.
1724         (mips_hard_regno_mode_ok_p): Allow TImode and 128-bit vectors in
1725         FPRs.
1726         (mips_hard_regno_nregs): Always return 1 for MSA supported mode.
1727         (mips_class_max_nregs): Add register size for MSA supported mode.
1728         (mips_cannot_change_mode_class): Allow conversion between MSA
1729         vector modes and TImode.
1730         (mips_mode_ok_for_mov_fmt_p): Allow MSA to use move.v
1731         instruction.
1732         (mips_secondary_reload_class): Force MSA loads/stores via memory.
1733         (mips_preferred_simd_mode): Add preffered modes for MSA.
1734         (mips_vector_mode_supported_p): Add MSA supported modes.
1735         (mips_autovectorize_vector_sizes): New function.
1736         (mips_msa_output_division): Likewise.
1737         (MSA_BUILTIN, MIPS_BUILTIN_DIRECT_NO_TARGET)
1738         (MSA_NO_TARGET_BUILTIN, MSA_BUILTIN_TEST_BRANCH): New macros.
1739         (CODE_FOR_msa_adds_s_b, CODE_FOR_msa_adds_s_h)
1740         (CODE_FOR_msa_adds_s_w, CODE_FOR_msa_adds_s_d)
1741         (CODE_FOR_msa_adds_u_b, CODE_FOR_msa_adds_u_h)
1742         (CODE_FOR_msa_adds_u_w, CODE_FOR_msa_adds_u_du
1743         (CODE_FOR_msa_addv_b, CODE_FOR_msa_addv_h, CODE_FOR_msa_addv_w)
1744         (CODE_FOR_msa_addv_d, CODE_FOR_msa_and_v, CODE_FOR_msa_bmnz_v)
1745         (CODE_FOR_msa_bmnzi_b, CODE_FOR_msa_bmz_v, CODE_FOR_msa_bmzi_b)
1746         (CODE_FOR_msa_bnz_v, CODE_FOR_msa_bz_v, CODE_FOR_msa_bsel_v)
1747         (CODE_FOR_msa_bseli_b, CODE_FOR_msa_ceqi_h, CODE_FOR_msa_ceqi_w)
1748         (CODE_FOR_msa_ceqi_d, CODE_FOR_msa_clti_s_b)
1749         (CODE_FOR_msa_clti_s_h, CODE_FOR_msa_clti_s_w)
1750         (CODE_FOR_msa_clti_s_d, CODE_FOR_msa_clti_u_b)
1751         (CODE_FOR_msa_clti_u_h, CODE_FOR_msa_clti_u_w)
1752         (CODE_FOR_msa_clti_u_d, CODE_FOR_msa_clei_s_b)
1753         (CODE_FOR_msa_clei_s_h, CODE_FOR_msa_clei_s_w)
1754         (CODE_FOR_msa_clei_s_d, CODE_FOR_msa_clei_u_b)
1755         (CODE_FOR_msa_clei_u_h, CODE_FOR_msa_clei_u_w)
1756         (CODE_FOR_msa_clei_u_d, CODE_FOR_msa_div_s_b)
1757         (CODE_FOR_msa_div_s_h, CODE_FOR_msa_div_s_w)
1758         (CODE_FOR_msa_div_s_d, CODE_FOR_msa_div_u_b)
1759         (CODE_FOR_msa_div_u_h, CODE_FOR_msa_div_u_w)
1760         (CODE_FOR_msa_div_u_d, CODE_FOR_msa_fadd_w, CODE_FOR_msa_fadd_d)
1761         (CODE_FOR_msa_fexdo_w, CODE_FOR_msa_ftrunc_s_w)
1762         (CODE_FOR_msa_ftrunc_s_d, CODE_FOR_msa_ftrunc_u_w)
1763         (CODE_FOR_msa_ftrunc_u_d, CODE_FOR_msa_ffint_s_w)
1764         (CODE_FOR_msa_ffint_s_d, CODE_FOR_msa_ffint_u_w)
1765         (CODE_FOR_msa_ffint_u_d, CODE_FOR_msa_fsub_w)
1766         (CODE_FOR_msa_fsub_d, CODE_FOR_msa_fmsub_d, CODE_FOR_msa_fmadd_w)
1767         (CODE_FOR_msa_fmadd_d, CODE_FOR_msa_fmsub_w, CODE_FOR_msa_fmul_w)
1768         (CODE_FOR_msa_fmul_d, CODE_FOR_msa_fdiv_w, CODE_FOR_msa_fdiv_d)
1769         (CODE_FOR_msa_fmax_w, CODE_FOR_msa_fmax_d, CODE_FOR_msa_fmax_a_w)
1770         (CODE_FOR_msa_fmax_a_d, CODE_FOR_msa_fmin_w, CODE_FOR_msa_fmin_d)
1771         (CODE_FOR_msa_fmin_a_w, CODE_FOR_msa_fmin_a_d)
1772         (CODE_FOR_msa_fsqrt_w, CODE_FOR_msa_fsqrt_d)
1773         (CODE_FOR_msa_max_s_b, CODE_FOR_msa_max_s_h)
1774         (CODE_FOR_msa_max_s_w, CODE_FOR_msa_max_s_d)
1775         (CODE_FOR_msa_max_u_b, CODE_FOR_msa_max_u_h)
1776         (CODE_FOR_msa_max_u_w, CODE_FOR_msa_max_u_d)
1777         (CODE_FOR_msa_min_s_b, CODE_FOR_msa_min_s_h)
1778         (CODE_FOR_msa_min_s_w, CODE_FOR_msa_min_s_d)
1779         (CODE_FOR_msa_min_u_b, CODE_FOR_msa_min_u_h)
1780         (CODE_FOR_msa_min_u_w, CODE_FOR_msa_min_u_d)
1781         (CODE_FOR_msa_mod_s_b, CODE_FOR_msa_mod_s_h)
1782         (CODE_FOR_msa_mod_s_w, CODE_FOR_msa_mod_s_d)
1783         (CODE_FOR_msa_mod_u_b, CODE_FOR_msa_mod_u_h)
1784         (CODE_FOR_msa_mod_u_w, CODE_FOR_msa_mod_u_d)
1785         (CODE_FOR_msa_mod_s_b, CODE_FOR_msa_mod_s_h)
1786         (CODE_FOR_msa_mod_s_w, CODE_FOR_msa_mod_s_d)
1787         (CODE_FOR_msa_mod_u_b, CODE_FOR_msa_mod_u_h)
1788         (CODE_FOR_msa_mod_u_w, CODE_FOR_msa_mod_u_d)
1789         (CODE_FOR_msa_mulv_b, CODE_FOR_msa_mulv_h, CODE_FOR_msa_mulv_w)
1790         (CODE_FOR_msa_mulv_d, CODE_FOR_msa_nlzc_b, CODE_FOR_msa_nlzc_h)
1791         (CODE_FOR_msa_nlzc_w, CODE_FOR_msa_nlzc_d, CODE_FOR_msa_nor_v)
1792         (CODE_FOR_msa_or_v, CODE_FOR_msa_ori_b, CODE_FOR_msa_nori_b)
1793         (CODE_FOR_msa_pcnt_b, CODE_FOR_msa_pcnt_h, CODE_FOR_msa_pcnt_w)
1794         (CODE_FOR_msa_pcnt_d, CODE_FOR_msa_xor_v, CODE_FOR_msa_xori_b)
1795         (CODE_FOR_msa_sll_b, CODE_FOR_msa_sll_h, CODE_FOR_msa_sll_w)
1796         (CODE_FOR_msa_sll_d, CODE_FOR_msa_slli_b, CODE_FOR_msa_slli_h)
1797         (CODE_FOR_msa_slli_w, CODE_FOR_msa_slli_d, CODE_FOR_msa_sra_b)
1798         (CODE_FOR_msa_sra_h, CODE_FOR_msa_sra_w, CODE_FOR_msa_sra_d)
1799         (CODE_FOR_msa_srai_b, CODE_FOR_msa_srai_h, CODE_FOR_msa_srai_w)
1800         (CODE_FOR_msa_srai_d, CODE_FOR_msa_srl_b, CODE_FOR_msa_srl_h)
1801         (CODE_FOR_msa_srl_w, CODE_FOR_msa_srl_d, CODE_FOR_msa_srli_b)
1802         (CODE_FOR_msa_srli_h, CODE_FOR_msa_srli_w, CODE_FOR_msa_srli_d)
1803         (CODE_FOR_msa_subv_b, CODE_FOR_msa_subv_h, CODE_FOR_msa_subv_w)
1804         (CODE_FOR_msa_subv_d, CODE_FOR_msa_subvi_b, CODE_FOR_msa_subvi_h)
1805         (CODE_FOR_msa_subvi_w, CODE_FOR_msa_subvi_d, CODE_FOR_msa_move_v)
1806         (CODE_FOR_msa_vshf_b, CODE_FOR_msa_vshf_h, CODE_FOR_msa_vshf_w)
1807         (CODE_FOR_msa_vshf_d, CODE_FOR_msa_ilvod_d, CODE_FOR_msa_ilvev_d)
1808         (CODE_FOR_msa_pckod_d, CODE_FOR_msa_pckdev_d, CODE_FOR_msa_ldi_b)
1809         (CODE_FOR_msa_ldi_hi, CODE_FOR_msa_ldi_w)
1810         (CODE_FOR_msa_ldi_d): New code_aliasing macros.
1811         (mips_builtins): Add MSA sll_b, sll_h, sll_w, sll_d, slli_b,
1812         slli_h, slli_w, slli_d, sra_b, sra_h, sra_w, sra_d, srai_b,
1813         srai_h, srai_w, srai_d, srar_b, srar_h, srar_w, srar_d, srari_b,
1814         srari_h, srari_w, srari_d, srl_b, srl_h, srl_w, srl_d, srli_b,
1815         srli_h, srli_w, srli_d, srlr_b, srlr_h, srlr_w, srlr_d, srlri_b,
1816         srlri_h, srlri_w, srlri_d, bclr_b, bclr_h, bclr_w, bclr_d,
1817         bclri_b, bclri_h, bclri_w, bclri_d, bset_b, bset_h, bset_w,
1818         bset_d, bseti_b, bseti_h, bseti_w, bseti_d, bneg_b, bneg_h,
1819         bneg_w, bneg_d, bnegi_b, bnegi_h, bnegi_w, bnegi_d, binsl_b,
1820         binsl_h, binsl_w, binsl_d, binsli_b, binsli_h, binsli_w,
1821         binsli_d, binsr_b, binsr_h, binsr_w, binsr_d, binsri_b, binsri_h,
1822         binsri_w, binsri_d, addv_b, addv_h, addv_w, addv_d, addvi_b,
1823         addvi_h, addvi_w, addvi_d, subv_b, subv_h, subv_w, subv_d,
1824         subvi_b, subvi_h, subvi_w, subvi_d, max_s_b, max_s_h, max_s_w,
1825         max_s_d, maxi_s_b, maxi_s_h, maxi_s_w, maxi_s_d, max_u_b,
1826         max_u_h, max_u_w, max_u_d, maxi_u_b, maxi_u_h, maxi_u_w,
1827         maxi_u_d, min_s_b, min_s_h, min_s_w, min_s_d, mini_s_b, mini_s_h,
1828         mini_s_w, mini_s_d, min_u_b, min_u_h, min_u_w, min_u_d, mini_u_b,
1829         mini_u_h, mini_u_w, mini_u_d, max_a_b, max_a_h, max_a_w, max_a_d,
1830         min_a_b, min_a_h, min_a_w, min_a_d, ceq_b, ceq_h, ceq_w, ceq_d,
1831         ceqi_b, ceqi_h, ceqi_w, ceqi_d, clt_s_b, clt_s_h, clt_s_w,
1832         clt_s_d, clti_s_b, clti_s_h, clti_s_w, clti_s_d, clt_u_b,
1833         clt_u_h, clt_u_w, clt_u_d, clti_u_b, clti_u_h, clti_u_w,
1834         clti_u_d, cle_s_b, cle_s_h, cle_s_w, cle_s_d, clei_s_b, clei_s_h,
1835         clei_s_w, clei_s_d, cle_u_b, cle_u_h, cle_u_w, cle_u_d, clei_u_b,
1836         clei_u_h, clei_u_w, clei_u_d, ld_b, ld_h, ld_w, ld_d, st_b, st_h,
1837         st_w, st_d, sat_s_b, sat_s_h, sat_s_w, sat_s_d, sat_u_b, sat_u_h,
1838         sat_u_w, sat_u_d, add_a_b, add_a_h, add_a_w, add_a_d, adds_a_b,
1839         adds_a_h, adds_a_w, adds_a_d, adds_s_b, adds_s_h, adds_s_w,
1840         adds_s_d, adds_u_b, adds_u_h, adds_u_w, adds_u_d, ave_s_b,
1841         ave_s_h, ave_s_w, ave_s_d, ave_u_b, ave_u_h, ave_u_w, ave_u_d,
1842         aver_s_b, aver_s_h, aver_s_w, aver_s_d, aver_u_b, aver_u_h,
1843         aver_u_w, aver_u_d, subs_s_b, subs_s_h, subs_s_w, subs_s_d,
1844         subs_u_b, subs_u_h, subs_u_w, subs_u_d, subsuu_s_b, subsuu_s_h,
1845         subsuu_s_w, subsuu_s_d, subsus_u_b, subsus_u_h, subsus_u_w,
1846         subsus_u_d, asub_s_b, asub_s_h, asub_s_w, asub_s_d, asub_u_b,
1847         asub_u_h, asub_u_w, asub_u_d, mulv_b, mulv_h, mulv_w, mulv_d,
1848         maddv_b, maddv_h, maddv_w, maddv_d, msubv_b, msubv_h, msubv_w,
1849         msubv_d, div_s_b, div_s_h, div_s_w, div_s_d, div_u_b, div_u_h,
1850         div_u_w, div_u_d, hadd_s_h, hadd_s_w, hadd_s_d, hadd_u_h,
1851         hadd_u_w, hadd_u_d, hsub_s_h, hsub_s_w, hsub_s_d, hsub_u_h,
1852         hsub_u_w, hsub_u_d, mod_s_b, mod_s_h, mod_s_w, mod_s_d, mod_u_b,
1853         mod_u_h, mod_u_w, mod_u_d, dotp_s_h, dotp_s_w, dotp_s_d,
1854         dotp_u_h, dotp_u_w, dotp_u_d, dpadd_s_h, dpadd_s_w, dpadd_s_d,
1855         dpadd_u_h, dpadd_u_w, dpadd_u_d, dpsub_s_h, dpsub_s_w, dpsub_s_d,
1856         dpsub_u_h, dpsub_u_w, dpsub_u_d, sld_b, sld_h, sld_w, sld_d,
1857         sldi_b, sldi_h, sldi_w, sldi_d, splat_b, splat_h, splat_w,
1858         splat_d, splati_b, splati_h, splati_w, splati_d, pckev_b,
1859         pckev_h, pckev_w, pckev_d, pckod_b, pckod_h, pckod_w, pckod_d,
1860         ilvl_b, ilvl_h, ilvl_w, ilvl_d, ilvr_b, ilvr_h, ilvr_w, ilvr_d,
1861         ilvev_b, ilvev_h, ilvev_w, ilvev_d, ilvod_b, ilvod_h, ilvod_w,
1862         ilvod_d, vshf_b, vshf_h, vshf_w, vshf_d, and_v, andi_b, or_v,
1863         ori_b, nor_v, nori_b, xor_v, xori_b, bmnz_v, bmnzi_b, bmz_v,
1864         bmzi_b, bsel_v, bseli_b, shf_b, shf_h, shf_w, bnz_v, bz_v,
1865         fill_b, fill_h, fill_w, fill_d, pcnt_b, pcnt_h, pcnt_w,
1866         pcnt_d, nloc_b, nloc_h, nloc_w, nloc_d, nlzc_b, nlzc_h, nlzc_w,
1867         nlzc_d, copy_s_b, copy_s_h, copy_s_w, copy_s_d, copy_u_b,
1868         copy_u_h, copy_u_w, copy_u_d, insert_b, insert_h, insert_w,
1869         insert_d, insve_b, insve_h, insve_w, insve_d, bnz_b, bnz_h,
1870         bnz_w, bnz_d, bz_b, bz_h, bz_w, bz_d, ldi_b, ldi_h, ldi_w, ldi_d,
1871         fcaf_w, fcaf_d, fcor_w, fcor_d, fcun_w, fcun_d, fcune_w, fcune_d,
1872         fcueq_w, fcueq_d, fceq_w, fceq_d, fcne_w, fcne_d, fclt_w, fclt_d,
1873         fcult_w, fcult_d, fcle_w, fcle_d, fcule_w, fcule_d, fsaf_w,
1874         fsaf_d, fsor_w, fsor_d, fsun_w, fsun_d, fsune_w, fsune_d,
1875         fsueq_w, fsueq_d, fseq_w, fseq_d, fsne_w, fsne_d, fslt_w,
1876         fslt_d, fsult_w, fsult_d, fsle_w, fsle_d, fsule_w, fsule_d,
1877         fadd_w, fadd_d, fsub_w, fsub_d, fmul_w, fmul_d, fdiv_w, fdiv_d,
1878         fmadd_w, fmadd_d, fmsub_w, fmsub_d, fexp2_w, fexp2_d, fexdo_h,
1879         fexdo_w, ftq_h, ftq_w, fmin_w, fmin_d, fmin_a_w, fmin_a_d,
1880         fmax_w, fmax_d, fmax_a_w, fmax_a_d, mul_q_h, mul_q_w, mulr_q_h,
1881         mulr_q_w, madd_q_h, madd_q_w, maddr_q_h, maddr_q_w, msub_q_h,
1882         msub_q_w, msubr_q_h, msubr_q_w, fclass_w, fclass_d, fsqrt_w,
1883         fsqrt_d, frcp_w, frcp_d, frint_w, frint_d, frsqrt_w, frsqrt_d,
1884         flog2_w, flog2_d, fexupl_w, fexupl_d, fexupr_w, fexupr_d, ffql_w,
1885         ffql_d, ffqr_w, ffqr_d, ftint_s_w, ftint_s_d, ftint_u_w,
1886         ftint_u_d, ftrunc_s_w, ftrunc_s_d, ftrunc_u_w, ftrunc_u_d,
1887         ffint_s_w, ffint_s_d, ffint_u_w, ffint_u_d, ctcmsa, cfcmsa,
1888         move_v builtins.
1889         (mips_get_builtin_decl_index): New array.
1890         (MIPS_ATYPE_QI, MIPS_ATYPE_HI, MIPS_ATYPE_V2DI, MIPS_ATYPE_V4SI)
1891         (MIPS_ATYPE_V8HI, MIPS_ATYPE_V16QI, MIPS_ATYPE_V2DF)
1892         (MIPS_ATYPE_V4SF, MIPS_ATYPE_UV2DI, MIPS_ATYPE_UV4SI)
1893         (MIPS_ATYPE_UV8HI, MIPS_ATYPE_UV16QI): New.
1894         (mips_init_builtins): Initialize mips_get_builtin_decl_index
1895         array.
1896         (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define target
1897         hook.
1898         (mips_expand_builtin_insn): Prepare operands for
1899         CODE_FOR_msa_addvi_b, CODE_FOR_msa_addvi_h, CODE_FOR_msa_addvi_w,
1900         CODE_FOR_msa_addvi_d, CODE_FOR_msa_clti_u_b,
1901         CODE_FOR_msa_clti_u_h, CODE_FOR_msa_clti_u_w,
1902         CODE_FOR_msa_clti_u_d, CODE_FOR_msa_clei_u_b,
1903         CODE_FOR_msa_clei_u_h, CODE_FOR_msa_clei_u_w,
1904         CODE_FOR_msa_clei_u_d, CODE_FOR_msa_maxi_u_b,
1905         CODE_FOR_msa_maxi_u_h, CODE_FOR_msa_maxi_u_w,
1906         CODE_FOR_msa_maxi_u_d, CODE_FOR_msa_mini_u_b,
1907         CODE_FOR_msa_mini_u_h, CODE_FOR_msa_mini_u_w,
1908         CODE_FOR_msa_mini_u_d, CODE_FOR_msa_subvi_b,
1909         CODE_FOR_msa_subvi_h, CODE_FOR_msa_subvi_w, CODE_FOR_msa_subvi_d,
1910         CODE_FOR_msa_ceqi_b, CODE_FOR_msa_ceqi_h, CODE_FOR_msa_ceqi_w,
1911         CODE_FOR_msa_ceqi_d, CODE_FOR_msa_clti_s_b,
1912         CODE_FOR_msa_clti_s_h, CODE_FOR_msa_clti_s_w,
1913         CODE_FOR_msa_clti_s_d, CODE_FOR_msa_clei_s_b,
1914         CODE_FOR_msa_clei_s_h, CODE_FOR_msa_clei_s_w,
1915         CODE_FOR_msa_clei_s_d, CODE_FOR_msa_maxi_s_b,
1916         CODE_FOR_msa_maxi_s_h, CODE_FOR_msa_maxi_s_w,
1917         CODE_FOR_msa_maxi_s_d, CODE_FOR_msa_mini_s_b,
1918         CODE_FOR_msa_mini_s_h, CODE_FOR_msa_mini_s_w,
1919         CODE_FOR_msa_mini_s_d, CODE_FOR_msa_andi_b, CODE_FOR_msa_ori_b,
1920         CODE_FOR_msa_nori_b, CODE_FOR_msa_xori_b, CODE_FOR_msa_bmzi_b,
1921         CODE_FOR_msa_bmnzi_b, CODE_FOR_msa_bseli_b, CODE_FOR_msa_fill_b,
1922         CODE_FOR_msa_fill_h, CODE_FOR_msa_fill_w, CODE_FOR_msa_fill_d,
1923         CODE_FOR_msa_ilvl_b, CODE_FOR_msa_ilvl_h, CODE_FOR_msa_ilvl_w,
1924         CODE_FOR_msa_ilvl_d, CODE_FOR_msa_ilvr_b, CODE_FOR_msa_ilvr_h,
1925         CODE_FOR_msa_ilvr_w, CODE_FOR_msa_ilvr_d, CODE_FOR_msa_ilvev_b,
1926         CODE_FOR_msa_ilvev_h, CODE_FOR_msa_ilvev_w, CODE_FOR_msa_ilvod_b,
1927         CODE_FOR_msa_ilvod_h, CODE_FOR_msa_ilvod_w, CODE_FOR_msa_pckev_b,
1928         CODE_FOR_msa_pckev_h, CODE_FOR_msa_pckev_w, CODE_FOR_msa_pckod_b,
1929         CODE_FOR_msa_pckod_h, CODE_FOR_msa_pckod_w, CODE_FOR_msa_slli_b,
1930         CODE_FOR_msa_slli_h, CODE_FOR_msa_slli_w, CODE_FOR_msa_slli_d,
1931         CODE_FOR_msa_srai_b, CODE_FOR_msa_srai_h, CODE_FOR_msa_srai_w,
1932         CODE_FOR_msa_srai_d, CODE_FOR_msa_srli_b, CODE_FOR_msa_srli_h,
1933         CODE_FOR_msa_srli_w, CODE_FOR_msa_srli_d, CODE_FOR_msa_insert_b,
1934         CODE_FOR_msa_insert_h, CODE_FOR_msa_insert_w,
1935         CODE_FOR_msa_insert_d, CODE_FOR_msa_insve_b,
1936         CODE_FOR_msa_insve_h, CODE_FOR_msa_insve_w, CODE_FOR_msa_insve_d,
1937         CODE_FOR_msa_shf_b, CODE_FOR_msa_shf_h, CODE_FOR_msa_shf_w,
1938         CODE_FOR_msa_shf_w_f, CODE_FOR_msa_vshf_b, CODE_FOR_msa_vshf_h,
1939         CODE_FOR_msa_vshf_w, CODE_FOR_msa_vshf_d.
1940         (mips_expand_builtin): Add case for MIPS_BULTIN_MSA_TEST_BRANCH.
1941         (mips_set_compression_mode): Disallow MSA with MIPS16 code.
1942         (mips_option_override): -mmsa requires -mfp64 and -mhard-float.
1943         These are set implicitly and an error is reported if overridden.
1944         (mips_expand_builtin_msa_test_branch): New function.
1945         (mips_expand_msa_shuffle): Likewise.
1946         (MAX_VECT_LEN): Increase maximum length of a vector to 16 bytes.
1947         (TARGET_SCHED_REASSOCIATION_WIDTH): Define target hook.
1948         (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Likewise.
1949         (mips_expand_vec_unpack): Add support for MSA.
1950         (mips_expand_vector_init): Likewise.
1951         (mips_expand_vi_constant): Use CONST0_RTX (element_mode)
1952         instead of const0_rtx.
1953         (mips_msa_vec_parallel_const_half): New function.
1954         (mips_gen_const_int_vector): Likewise.
1955         (mips_gen_const_int_vector_shuffle): Likewise.
1956         (mips_expand_msa_cmp): Likewise.
1957         (mips_expand_vec_cond_expr): Likewise.
1958         * config/mips/mips.h
1959         (TARGET_CPU_CPP_BUILTINS): Add __mips_msa and __mips_msa_width.
1960         (OPTION_DEFAULT_SPECS): Ignore --with-fp-32 if -mmsa is
1961         specified.
1962         (ASM_SPEC): Pass mmsa and mno-msa to the assembler.
1963         (ISA_HAS_MSA): New macro.
1964         (UNITS_PER_MSA_REG): Likewise.
1965         (BITS_PER_MSA_REG): Likewise.
1966         (BIGGEST_ALIGNMENT): Redefine using ISA_HAS_MSA.
1967         (MSA_REG_FIRST): New macro.
1968         (MSA_REG_LAST): Likewise.
1969         (MSA_REG_NUM): Likewise.
1970         (MSA_REG_P): Likewise.
1971         (MSA_REG_RTX_P): Likewise.
1972         (MSA_SUPPORTED_MODE_P): Likewise.
1973         (HARD_REGNO_CALL_PART_CLOBBERED): Redefine using TARGET_MSA.
1974         (ADDITIONAL_REGISTER_NAMES): Add named registers $w0-$w31.
1975         * config/mips/mips.md: Include mips-msa.md.
1976         (alu_type): Add simd_add.
1977         (mode): Add V2DI, V4SI, V8HI, V16QI, V2DF, V4SF.
1978         (type): Add simd_div, simd_fclass, simd_flog2, simd_fadd,
1979         simd_fcvt, simd_fmul, simd_fmadd, simd_fdiv, simd_bitins,
1980         simd_bitmov, simd_insert, simd_sld, simd_mul, simd_fcmp,
1981         simd_fexp2, simd_int_arith, simd_bit, simd_shift, simd_splat,
1982         simd_fill, simd_permute, simd_shf, simd_sat, simd_pcnt,
1983         simd_copy, simd_branch, simd_cmsa, simd_fminmax, simd_logic,
1984         simd_move, simd_load, simd_store.  Choose "multi" for moves
1985         for "qword_mode".
1986         (qword_mode): New attribute.
1987         (insn_count): Add instruction count for quad moves.
1988         Increase the count for MIPS SIMD division.
1989         (UNITMODE): Add UNITMODEs for vector types.
1990         (addsub): New code iterator.
1991         * config/mips/mips.opt (mmsa): New option.
1992         * config/mips/msa.h: New file.
1993         * config/mips/mti-elf.h: Don't infer -mfpxx if -mmsa is
1994         specified.
1995         * config/mips/mti-linux.h: Likewise.
1996         * config/mips/predicates.md
1997         (const_msa_branch_operand): New constraint.
1998         (const_uimm3_operand): Likewise.
1999         (const_uimm4_operand): Likewise.
2000         (const_uimm5_operand): Likewise.
2001         (const_uimm8_operand): Likewise.
2002         (const_imm5_operand): Likewise.
2003         (aq10b_operand): Likewise.
2004         (aq10h_operand): Likewise.
2005         (aq10w_operand): Likewise.
2006         (aq10d_operand): Likewise.
2007         (const_m1_operand): Likewise.
2008         (reg_or_m1_operand): Likewise.
2009         (const_exp_2_operand): Likewise.
2010         (const_exp_4_operand): Likewise.
2011         (const_exp_8_operand): Likewise.
2012         (const_exp_16_operand): Likewise.
2013         (const_vector_same_val_operand): Likewise.
2014         (const_vector_same_simm5_operand): Likewise.
2015         (const_vector_same_uimm5_operand): Likewise.
2016         (const_vector_same_uimm6_operand): Likewise.
2017         (const_vector_same_uimm8_operand): Likewise.
2018         (par_const_vector_shf_set_operand): Likewise.
2019         (reg_or_vector_same_val_operand): Likewise.
2020         (reg_or_vector_same_simm5_operand): Likewise.
2021         (reg_or_vector_same_uimm6_operand): Likewise.
2022         * doc/extend.texi (MIPS SIMD Architecture Functions): New
2023         section.
2024         * doc/invoke.texi (-mmsa): Document new option.
2026 2016-05-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2028         * configure.ac (enable_vtable_verify): Handle --enable-vtable-verify.
2029         * configure: Regenerate.
2030         * config.in: Regenerate.
2031         * gcc.c (VTABLE_VERIFICATION_SPEC) [!ENABLE_VTABLE_VERIFY]: Error
2032         on -fvtable-verify.
2033         * config/sol2.h [!ENABLE_VTABLE_VERIFY] (STARTFILE_VTV_SPEC): Define.
2034         (ENDFILE_VTV_SPEC): Define.
2036 2016-05-09  Kaushik Phatak  <kaushik.phatak@kpit.com>
2038         * config/rl78/rl78.c (rl78_expand_prologue): Save the MDUC related
2039         registers in all interrupt handlers if necessary.
2040         (rl78_option_override): Add warning.
2041         (MUST_SAVE_MDUC_REGISTERS): New macro.
2042         (rl78_expand_epilogue): Restore the MDUC registers if necessary.
2043         * config/rl78/rl78.c (check_mduc_usage): New function.
2044         (mduc_regs): New structure to hold MDUC register data.
2045         * config/rl78/rl78.md (is_g13_muldiv_insn): New attribute.
2046         (mulsi3_g13): Add is_g13_muldiv_insn attribute.
2047         (udivmodsi4_g13): Add is_g13_muldiv_insn attribute.
2048         (mulhi3_g13): Add is_g13_muldiv_insn attribute.
2049         * config/rl78/rl78.opt (msave-mduc-in-interrupts): New option.
2050         * doc/invoke.texi (RL78 Options): Add -msave-mduc-in-interrupts.
2052 2016-05-09  Bin Cheng  <bin.cheng@arm.com>
2054         * tree-if-conv.c (tree-ssa-loop.h): Include header file.
2055         (tree-ssa-loop-niter.h): Ditto.
2056         (idx_within_array_bound, ref_within_array_bound): New functions.
2057         (ifcvt_memrefs_wont_trap): Check if array ref is within bound.
2058         Factor out check on writable base object to ...
2059         (base_object_writable): ... here.
2061 2016-05-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2063         * config/arm/arm.md (probe_stack): Add modes to set source
2064         and destination.
2066 2016-05-09  Bernd Schmidt  <bschmidt@redhat.com>
2068         * regrename.c (base_reg_class_for_rename): New static function.
2069         (scan_rtx_address, scan_rtx): Use it instead of base_reg_class.
2071 2016-05-08  Jan Hubicka  <hubicka@ucw.cz>
2073         * cgraph.c (thunk_adjust): Export.
2074         * cgraphclones.c (cgraph_node::create_clone): Clone thunk info.
2075         * cgraphunit.c (thunk_adjust): Export.
2076         (cgraph_node::assemble_thunks_and_aliases): Do not assemble inlined
2077         thunks.
2078         * ipa-inline-analyssi.c (compute_inline_parameters): Thunks are
2079         inlinable.
2080         * tree-inline.c (expand_call_inline): Expand thunks inline.
2082 2016-05-08  Uros Bizjak  <ubizjak@gmail.com>
2084         PR target/70998
2085         * config/i386/sse.md (*sse2_vd_cvtsd2ss): New insn pattern.
2086         (*sse2_vd_cvtss2sd): Ditto.
2087         * config/i386/i386.md
2088         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_truncate df->sf splitter):
2089         Generate *sse2_vd_cvtsd2ss pattern.
2090         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_extend sf->df splitter):
2091         Generate *sse2_vd_cvtss2sd pattern.
2093 2016-05-08  Oleg Endo  <olegendo@gcc.gnu.org>
2095         * config/sh/sh.h (GET_SH_ARG_CLASS): Convert macro into ...
2096         * config/sh/sh.c (get_sh_arg_class): ... this new function.  Update its
2097         users.
2099 2016-05-08  Oleg Endo  <olegendo@gcc.gnu.org>
2101         * config/sh/sh-protos.h (sh_media_register_for_return): Remove.
2102         * config/sh/sh.c: Define and declare variables on first use throughout
2103         the file.
2104         (current_function_interrupt): Change to bool type.
2105         (frame_insn): Rename to emit_frame_insn and update users.
2106         (push_regs): Use bool for 'interrupt_handler' argument.
2107         (save_schedule_s): Remove.
2108         (TARGET_ASM_UNALIGNED_DI_OP, TARGET_ASM_ALIGNED_DI_OP): Remove.
2109         (sh_option_override): Don't nullify targetm.asm_out.aligned_op.di and
2110         targetm.asm_out.unaligned_op.di.
2111         (gen_far_branch): Remove redundant forward declaration.
2112         (sh_media_register_for_return, MAX_SAVED_REGS, save_entry_s, save_entry,
2113         MAX_TEMPS, save_schedule_ssave_schedule): Remove.
2114         (sh_set_return_address, sh_function_ok_for_sibcall,
2115         scavenge_reg): Update comments.
2116         (sh_builtin_saveregs): Use TRAGET_FPU_ANY condition.
2117         (sh2a_get_function_vector_number, sh2a_function_vector_p): Use for loop.
2118         (sh_attr_renesas_p): Remove unnecessary parentheses.
2119         (branch_dest): Simplify.
2120         * config/sh/sh.h (sh_args): Remove byref, byref_regs, stack_regs fields.
2121         Change force_mem, prototype_p, outgoing, renesas_abi fields to bool.
2122         (CUMULATIVE_ARGS): Change macro to typedef.
2123         (current_function_interrupt): Change to bool type.
2124         (sh_arg_class, sh_args, CUMULATIVE_ARGS, current_function_interrupt):
2125         Surround with __cplusplus ifdef.
2126         (sh_compare_op0, sh_compare_op1): Remove.
2127         (EPILOGUE_USES): Use TARGET_FPU_ANY condition.
2129 2016-05-07  Jim Wilson  <jim.wilson@linaro.org>
2131         * config/arm/arm.md: (arch): Add neon.
2132         (arch_enabled): Return yes for arch neon when TARGET_NEON.
2133         * config/arm/vfp.md (movdf_vfp): Add w/G as alternative 3.  Add
2134         neon_move as type for alt 3.  Add arch attr enabling alt 3 for neon.
2135         Emit vmov.i64 for alt 3.  Renumber alternatives 3 to 8.  Adjust
2136         attributes for alt renumbering.  Mark alt 3 as non-predicable.
2137         (thumb2_movdf_vfp): Likewise.
2139 2016-05-07  Uros Bizjak  <ubizjak@gmail.com>
2141         * config/i386/i386.md (*addqi_1): Add preferred_for_speed attribute
2142         to disparage alternatives 3 and 4 for TARGET_PARTIAL_REG_STALL targets.
2143         (*andqi_1): Add preferred_for_speed attribute to disparage
2144         alternative 2 for TARGET_PARTIAL_REG_STALL targets.
2145         (*<code>qi_1): Ditto.
2146         (*one_cmplqi2_1): Add preferred_for_speed attribute to disparage
2147         alternative 1 for TARGET_PARTIAL_REG_STALL targets.
2148         (*ashlqi3_1): Ditto.
2149         (*swap<mode>): Merge from *swap<mode>_1 and *swap<mode>_2 patterns.
2150         Add preferred_for_size attribute to disparage alternative 0 and
2151         preferred_for_speed attribute to disparage alternative 1 for
2152         TARGET_PARTIAL_REG_STALL targets.
2154 2016-05-07  Tom de Vries  <tom@codesourcery.com>
2156         PR tree-optimization/70956
2157         * graphite-scop-detection.c (build_cross_bb_scalars_def): Handle NULL
2158         def.
2160 2016-05-07  Oleg Endo  <olegendo@gcc.gnu.org>
2162         * config/sh/sh-protos.h (sh_cbranch_distance): Declare new function.
2163         * config/sh/sh.c (sh_cbranch_distance): Implement it.
2164         * config/sh/sh.md (branch_zero): Remove define_attr.
2165         (define_delay): Disable delay slot if branch distance is one insn.
2167 2016-05-06  Uros Bizjak  <ubizjak@gmail.com>
2169         * config/i386/i386.md (LEAMODE): New mode attribute.
2170         (plus to LEA splitter): Rewrite splitter using LEAMODE mode attribute.
2171         (ashift to LEA splitter): Rewrte splitter using SWI mode iterator
2172         and LEAMODE mode attribute.  Use VOIDmode const_0_to_3_operand as
2173         operand 2 predicate.
2174         (*lea<mode>_general_2): Use VOIDmode for const248_operand.
2175         (*lea<mode>_general_3): Ditto.
2176         (*lea<mode>_general_4): Use VOIDmode for const_0_to_3_operand.
2178 2016-05-06  Jakub Jelinek  <jakub@redhat.com>
2180         * genmddump.c (main): Convert argv from char ** to const char **.
2182 2016-05-06  David Malcolm  <dmalcolm@redhat.com>
2184         * coretypes.h (OVERRIDE): New macro.
2185         (FINAL): New macro.
2187 2016-05-06  Eric Botcazou  <ebotcazou@adacore.com>
2189         * tree-ssa-coalesce.c (gimple_can_coalesce_p): In the optimized case,
2190         allow coalescing if the types are compatible.
2192 2016-05-06  David Malcolm  <dmalcolm@redhat.com>
2194         * pass_manager.h (pass_manager::register_pass_name): New method.
2195         (pass_manager::get_pass_by_name): New method.
2196         (pass_manager::create_pass_tab): New method.
2197         (pass_manager::m_name_to_pass_map): New field.
2198         * passes.c (name_to_pass_map): Delete global in favor of field
2199         "m_name_to_pass_map" of pass_manager.
2200         (register_pass_name): Rename from a function to...
2201         (pass_manager::register_pass_name): ...this method, updating
2202         for renaming of global "name_to_pass_map" to field
2203         "m_name_to_pass_map".
2204         (create_pass_tab): Rename from a function to...
2205         (pass_manager::create_pass_tab): ...this method, updating
2206         for renaming of global "name_to_pass_map" to field.
2207         (get_pass_by_name): Rename from a function to...
2208         (pass_manager::get_pass_by_name): ...this method.
2209         (enable_disable_pass): Convert use of get_pass_by_name to
2210         a method call, locating the pass_manager singleton.
2212 2016-05-06  David Malcolm  <dmalcolm@redhat.com>
2214         * genattr-common.c (main): Convert argv from char ** to const char **.
2215         * genattr.c (main): Likewise.
2216         * genattrtab.c (main): Likewise.
2217         * genautomata.c (initiate_automaton_gen): Likewise.
2218         (main): Likewise.
2219         * gencodes.c (main): Likewise.
2220         * genconditions.c (main): Likewise.
2221         * genconfig.c (main): Likewise.
2222         * genconstants.c (main): Likewise.
2223         * genemit.c (main): Likewise.
2224         * genenums.c (main): Likewise.
2225         * genextract.c (main): Likewise.
2226         * genflags.c (main): Likewise.
2227         * genmddeps.c (main): Likewise.
2228         * genopinit.c (main): Likewise.
2229         * genoutput.c (main): Likewise.
2230         * genpeep.c (main): Likewise.
2231         * genpreds.c (main): Likewise.
2232         * genrecog.c (main): Likewise.
2233         * gensupport.c (init_rtx_reader_args_cb): Likewise.
2234         (init_rtx_reader_args): Likewise.
2235         * gensupport.h (init_rtx_reader_args_cb): Likewise.
2236         (init_rtx_reader_args): Likewise.
2237         * gentarget-def.c (main): Likewise.
2238         * read-md.c (read_md_files): Likewise.
2239         * read-md.h (read_md_files): Likewise.
2241 2016-05-06  Uros Bizjak  <ubizjak@gmail.com>
2243         * config/i386/i386.md (int cmove peephole2s): Use general_reg_operand
2244         instead of register_and_not_any_fp_reg_operand as operand 0 predicate.
2245         * config/i386/predicates.md (register_and_not_any_fp_reg_operand):
2246         Remove unused predicate.
2247         (register_and_not_fp_reg_operand): Ditto.
2249 2016-05-06  Martin Liska  <mliska@suse.cz>
2251         * tree-if-conv.c (ifcvt_split_critical_edges): Use auto_vec
2252         instead of vec as the vector is local to the function.
2254 2016-05-06  Jakub Jelinek  <jakub@redhat.com>
2256         * config/i386/sse.md (*<code>v8hi3, *<code>v16qi3): Add
2257         avx512bw alternative.
2259         * config/i386/sse.md (<mask_codefor>ashr<mode>3<mask_name>): Move
2260         before the ashr<mode>3 pattern.
2262         * config/i386/sse.md (*avx2_pmaddwd, *sse2_pmaddwd): Use
2263         v instead of x in vex or maybe_vex alternatives, use
2264         maybe_evex instead of vex in prefix.
2266         * config/i386/sse.md (*vec_extractv4sf_0, *sse4_1_extractps,
2267         *vec_extractv4sf_mem, vec_extract_lo_v16hi, vec_extract_hi_v16hi,
2268         vec_extract_lo_v32qi, vec_extract_hi_v32qi): Use v instead of x
2269         in vex or maybe_vex alternatives, use maybe_evex instead of vex
2270         in prefix.
2272         * config/i386/sse.md (*vec_concatv2sf_sse4_1, *vec_concatv4sf): Use
2273         v instead of x in vex or maybe_vex alternatives, use
2274         maybe_evex instead of vex in prefix.
2276         * config/i386/sse.md (sse_shufps_<mode>, sse_storehps, sse_loadhps,
2277         sse_storelps, sse_movss, avx2_vec_dup<mode>, avx2_vec_dupv8sf_1,
2278         sse2_shufpd_<mode>, sse2_storehpd, sse2_storelpd, sse2_loadhpd,
2279         sse2_loadlpd, sse2_movsd): Use v instead of x in vex or maybe_vex
2280         alternatives, use maybe_evex instead of vex in prefix.
2282         * config/i386/sse.md (vec_interleave_lowv4sf,
2283         *vec_interleave_highv2df, *vec_interleave_lowv2df): Use
2284         v instead of x in vex or maybe_vex alternatives, use
2285         maybe_evex instead of vex in prefix.
2287         * config/i386/sse.md (sse_movhlps, sse_movlhps): 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 (*avx_cvtpd2dq256_2, *avx_cvtps2pd256_2): Use
2292         v constraint instead of x.
2294 2016-05-06  Nathan Sidwell  <nathan@codesourcery.com>
2296         * gimple.c (gimple_call_same_target_p): Unique functions are eq.
2297         * tree-ssa-tail-merge.c (same_succ::equal): Check pointer eq
2298         equality first.
2300 2016-05-06  Richard Biener  <rguenther@suse.de>
2302         PR tree-optimization/70948
2303         * tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
2304         Properly clobber all fields of va_list for __builtin_va_start.
2306 2016-05-06  Yuri Rumyantsev  <ysrumyan@gmail.com>
2308         PR debug/70935
2309         * tree-ssa-loop-unswitch.c (find_loop_guard): Reject guard edge with
2310         loop latch destination.
2312 2016-05-06  Martin Liska  <mliska@suse.cz>
2314         * tree-ssa-uninit.c: Apply manual changes
2315         to the GNU coding style.
2316         (prune_uninit_phi_opnds): Rename from
2317         prune_uninit_phi_opnds_in_unrealizable_paths.
2319 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
2321         * config/sh/sh.opt (madjust-unroll, minvalid-symbols, msoft-atomic,
2322         mspace): Remove deprecated options.
2323         * doc/invoke.texi (SH options): Remove -mspace.
2325 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
2327         * config/sh/sh.md (ic_invalidate_line_sh4a): Fix insn length.
2329 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
2331         * config/sh/sh.md (*cmpeqsi_t): Remove combine insn pattern and similar
2332         corresponding combine split pattern.
2334 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
2336         PR target/58219
2337         * config/sh/predicates.md (long_displacement_mem_operand): New.
2338         * config/sh/sh.md (movsi_i): Allow for SH2A, disallow for any FPU.
2339         Add movi20, movi20s alternatives.  Adjust length attribute for
2340         alternatives.
2341         (movsi_ie): Allow for any FPU.  Adjust length attribute for
2342         alternatives.
2343         (movsi_i_lowpart): Add movi20, movi20s alternatives.  Adjust length
2344         attribute for alternatives.
2345         (*mov<mode>): Use long_displacement_mem_operand for length attribute.
2346         (*movdi_i, movdf_k, movdf_i4, movsf_i, movsf_ie, movsf_ie_ra): Adjust
2347         length attribute for alternatives.
2349 2016-05-06  Richard Biener  <rguenther@suse.de>
2351         PR tree-optimization/70960
2352         * tree-if-conv.c (ifcvt_walk_pattern_tree): Handle non-SSA ops.
2354 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
2356         PR target/52933
2357         * config/sh/sh.md (*cmp_div0s_7, *cmp_div0s_8): Add div0s variants.
2358         * config/sh/sh.c (sh_rtx_costs): Add another div0s case.
2360 2016-05-06  Marek Polacek  <polacek@redhat.com>
2362         PR sanitizer/70875
2363         * ubsan.c (get_ubsan_type_info_for_type): Remove assert.
2365 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
2367         PR target/54089
2368         * config/sh/sh.md (*rotcr): Add another variant.
2370 2016-05-06  Richard Biener  <rguenther@suse.de>
2372         PR middle-end/70931
2373         * dwarf2out.c (native_encode_initializer): Skip zero-sized fields.
2375 2016-05-06  Richard Biener  <rguenther@suse.de>
2377         PR middle-end/70941
2378         * fold-const.c (split_tree): Always convert to the original type
2379         before negating.
2381 2016-05-06  Richard Biener  <rguenther@suse.de>
2383         * fwprop.c (fwprop): Remove duplicate cleanup_cfg call.
2384         (fwprop_addr): Likewise.
2386 2016-05-06  Uros Bizjak  <ubizjak@gmail.com>
2388         PR target/70873
2389         * config/i386/i386-protos.h (ix86_standard_x87sse_constant_load_p):
2390         New prototype.
2391         * config/i386/i386.c (ix86_standard_x87sse_constant_load_p): New.
2392         * config/i386/i386.md (push mem splitter): Use find_constant_src in
2393         the splitter condition.
2394         (FP load splitter): Use ix86_standard_x87sse_constant_load_p in
2395         the splitter condition.
2396         (FP float_extend load splitter): Ditto.
2398 2016-05-05  Uros Bizjak  <ubizjak@gmail.com>
2400         * config/i386/i386.md (peehole2 patterns): Change true_regnum
2401         to REGNO in all peephole2 patterns.
2402         (post-reload splitters): Change true_regnum to REGNO in
2403         post-reload splitters.
2404         (zero_extend splitters): Use general_reg_operand and
2405         nonimmediate_gr_operand predicates.
2407 2016-05-05  Jakub Jelinek  <jakub@redhat.com>
2409         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>): Use
2410         v constraint instead of x.
2412 2016-05-05  Alan Modra  <amodra@gmail.com>
2414         PR target/68662
2415         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Don't
2416         set OPTION_MASK_RELOCATABLE when flag_pic == 2.  Set
2417         TARGET_NO_FP_IN_TOC for -mrelocatable.
2418         (MINIMAL_TOC_SECTION_ASM_OP): Remove redundant
2419         TARGET_RELOCATABLE test.
2420         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
2421         (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
2422         * config/rs6000/linux64.h (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
2423         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
2424         (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
2425         * config/rs6000/freebsd64.h (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
2426         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
2427         (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
2428         * config/rs6000/predicates.md (easy_fp_constant): Likewise.
2429         * config/rs6000/rs6000.c (rs6000_elf_output_toc_section_asm_op):
2430         Likewise.
2431         (rs6000_assemble_integer): Update TARGET_RELOCATABLE test.
2432         (rs6000_stack_info): Likewise.
2433         (rs6000_elf_asm_out_constructor): Likewise.
2434         (rs6000_elf_asm_out_destructor): Likewise.
2435         (rs6000_elf_declare_function_name): Likewise.
2436         * config/rs6000/rs6000.md (load_toc_aix_di): Likewise.
2437         * config/rs6000/rs6000.h (MASK_RELOCATABLE, MASK_MINIMAL_TOC):
2438         Don't define.
2440 2016-05-05  Alan Modra  <amodra@gmail.com>
2442         * config/rs6000/rs6000.c (rs6000_frame_related): Rewrite.
2444 2016-05-05  Alan Modra  <amodra@gmail.com>
2446         * config/rs6000/rs6000.c (rs6000_savres_strategy): Don't use
2447         out-of-line gpr restore for one or two regs if that would add
2448         a save of lr.
2450 2016-05-04  Uros Bizjak  <ubizjak@gmail.com>
2452         PR target/70873
2453         * config/i386/i386.md
2454         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_extend sf->df peephole2):
2455         Change to post-epilogue_completed late splitter.  Use sse_reg_operand
2456         as operand 0 predicate.
2457         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_truncate df->sf peephole2):
2458         Ditto.
2459         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float {si,di}->{sf,df} peephole2):
2460         Ditto.  Emit the pattern using RTX.
2462         (TARGET_USE_VECTOR_FP_CONVERTS float_extend sf->df splitter):
2463         Use sse_reg_opreand as operand 0 predicate.  Do not use true_regnum in
2464         the post-reload splitter.  Use lowpart_subreg instead of gen_rtx_REG.
2465         (TARGET_USE_VECTOR_FP_CONVERTS float_truncate df->sf splitter):
2466         Ditto.
2467         (TARGET_USE_VECTOR_CONVERTS float si->{sf,df} splitter): Use
2468         sse_reg_operand as operand 0 predicate.
2470         (TARGET_SPLIT_MEM_OPND_FOR_FP_CONVERTS float_extend sf->df peephole2):
2471         Use sse_reg_opreand as operand 0 predicate.  Use lowpart_subreg
2472         instead of gen_rtx_REG.
2473         (TARGET_SPLIT_MEM_OPND_FOR_FP_CONVERTS float_truncate sf->df peephole2):
2474         Ditto.
2476 2016-05-04  Segher Boessenkool  <segher@kernel.crashing.org>
2478         * function.c (emit_use_return_register_into_block): Delete.
2479         (gen_return_pattern): Delete.
2480         (emit_return_into_block): Delete.
2481         (active_insn_between): Delete.
2482         (convert_jumps_to_returns): Delete.
2483         (emit_return_for_exit): Delete.
2484         (thread_prologue_and_epilogue_insns): Delete all code dealing with
2485         simple_return for shrink-wrapped blocks.
2486         * shrink-wrap.c (try_shrink_wrapping): Insert simple_return at the
2487         end of blocks that need one.
2488         (get_unconverted_simple_return): Delete.
2489         (convert_to_simple_return): Delete.
2490         * shrink-wrap.c (get_unconverted_simple_return): Delete declaration.
2491         (convert_to_simple_return): Ditto.
2493 2016-05-04  Segher Boessenkool  <segher@kernel.crashing.org>
2495         * cfgcleanup.c (bb_is_just_return): New function.
2496         (try_optimize_cfg): Simplify jumps to return, branches to return,
2497         and branches around return.
2499 2016-05-04  Segher Boessenkool  <segher@kernel.crashing.org>
2501         * cfgcleanup.c (try_simplify_condjump): Don't try to simplify a
2502         branch to a return.
2504 2016-05-04  Jakub Jelinek  <jakub@redhat.com>
2506         PR c++/70906
2507         PR c++/70933
2508         * tree-core.h (enum operand_equal_flag): Add OEP_HASH_CHECK.
2509         * tree.c (inchash::add_expr): If !IS_EXPR_CODE_CLASS (tclass),
2510         assert flags & OEP_HASH_CHECK, instead of asserting it
2511         never happens.  Handle TARGET_EXPR.
2512         * fold-const.c (operand_equal_p): For hash verification,
2513         or in OEP_HASH_CHECK into flags.
2515 2016-05-04  Eric Botcazou  <ebotcazou@adacore.com>
2517         * tree-ssa-coalesce.c (gimple_can_coalesce_p): Fix reference in head
2518         comment.
2519         (compute_samebase_partition_bases): Fix typo.
2521 2016-05-04  Jakub Jelinek  <jakub@redhat.com>
2523         * config/i386/sse.md (vec_interleave_highv8sf,
2524         vec_interleave_lowv8sf, vec_interleave_highv4df,
2525         vec_interleave_lowv4df): Remove constraints from expanders.
2527         * config/i386/sse.md (sse2_movq128): Use v constraint instead of x.
2529 2016-05-04  Jan Hubicka  <hubicka@ucw.cz>
2531         * tree-inline.c (expand_call_inline): Fix path dealing with
2532         making lhs of call statement undefined.
2534 2016-05-04  Jan Hubicka  <hubicka@ucw.cz>
2536         * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases):
2537         Check availability on NODE, too.
2538         * cgraph.h (symtab_node::call_for_symbol_and_aliases): Likewise.
2539         (cgraph_node::call_for_symbol_and_aliases): Likewise.
2540         (varpool_node::call_for_symbol_and_aliase): Likewise.
2541         * ipa-pure-const.c (add_new_function): Analyze all bodies.
2542         (propagate_pure_const): Propagate across interposable functions, too.
2543         (skip_function_for_local_pure_const): Do not skip interposable bodies
2544         with aliases.
2545         (pass_local_pure_const::execute): Update.
2547 2016-05-04  Marek Polacek  <polacek@redhat.com>
2549         * doc/invoke.texi: Document -Wdangling-else.
2551 2016-05-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
2553         * config.gcc: Error out when conflicting multilib is detected.  Do not
2554         loop over multilibs since no combination is legal.
2556 2016-05-04  Alan Modra  <amodra@gmail.com>
2558         * config/rs6000/rs6000.h (PIC_OFFSET_TABLE_REGNUM): Correct.
2559         * config/rs6000/sysv4.h (TARGET_TOC): Simplify.
2560         * config/rs6000/rs6000.c (rs6000_elf_output_toc_section_asm_op):
2561         Align .toc.
2563 2016-05-04  Matthew Fortune  <matthew.fortune@imgtec.com>
2565         * config/mips/mips-cpus.def (p5600): Avoid IMADD by default.
2566         Clean up p5600 comments.
2568 2016-05-04  Richard Biener  <rguenther@suse.de>
2570         * match.pd: Add BIT_FIELD_REF canonicalizations and vector
2571         constructor simplifications.
2572         * fold-const.c (fold_ternary_loc): Remove duplicate functionality here.
2574 2016-05-04  Oleg Endo  <olegendo@gcc.gnu.org>
2576         * config/sh/predicates (post_inc_mem, pre_dec_mem): New predicates.
2577         * config/sh/sh-protos.h (sh_find_set_of_reg): Return null result if
2578         result.set_rtx is null instead of aborting.
2579         * config/sh/sh.h (USE_LOAD_POST_INCREMENT, USE_STORE_PRE_DECREMENT):
2580         Always enable.
2581         (USE_LOAD_PRE_DECREMENT, USE_STORE_POST_INCREMENT): Enable for SH2A.
2582         * config/sh/sh.md (*extend<mode>si2_predec, *mov<mode>_load_predec,
2583         *mov<mode>_store_postinc): New patterns.
2585 2016-05-04  Marc Glisse  <marc.glisse@inria.fr>
2587         * match.pd ((A | B) & (A | C)): Generalize to BIT_XOR_EXPR.  Mark
2588         as commutative.  Check both conversions are NOP.
2589         ((A & B) OP (C & B)): Remove.
2591 2016-05-04  Alan Modra  <amodra@gmail.com>
2593         * combine.c (simplify_set): Correct WORD_REGISTER_OPERATIONS test.
2595 2016-05-04  Alan Modra  <amodra@gmail.com>
2597         PR target/70866
2598         * config/rs6000/rs6000.c (rs6000_stack_info): Don't set cr_save_p
2599         when cr2,3,4 are all fixed regs.
2601 2016-05-04  Bernd Schmidt  <bschmidt@redhat.com>
2603         PR rtl-optimization/57193
2604         * opts.c (default_options_table): Revert OPT_frename_registers change.
2605         * doc/invoke.texi (-frename-registers, -O2): Likewise.
2607 2016-05-03  Martin Sebor  <msebor@redhat.com>
2609         PR c++/66561
2610         * builtins.c (fold_builtin_FILE): New function.
2611         (fold_builtin_FUNCTION, fold_builtin_LINE): New functions.
2612         (fold_builtin_0): Call them.
2613         * gimplify.c (gimplify_call_expr): Remove the handling of
2614         BUILT_IN_FILE, BUILT_IN_FUNCTION, and BUILT_IN_LINE.
2616         PR c++/66561
2617         * doc/extend.texi (Other Builtins): Update __builtin_FILE,
2618         __builtin_FUNCTION, and __builtin_LINE to reflect they yield
2619         constants.
2621         PR c++/66639
2622         * doc/extend.texi (Function Names as Strings): Update __func__,
2623         __FUNCTION__, __PRETTY_FUNCTION__ to reflect they evaluate to
2624         constants.
2626 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
2627             Richard Biener  <rguenther@suse.de>
2629         PR tree-optimization/70916
2630         * tree-if-conv.c: Include cfganal.h.
2631         (pass_if_conversion::execute): Call connect_infinite_loops_to_exit
2632         and remove_fake_exit_edges around the optimization pass.
2634 2016-05-03  Jan Hubicka  <hubicka@ucw.cz>
2636         * cgraph.c (symbol_table::create_edge): Set inline_failed.
2637         (cgraph_edge::make_direct): Likewise.
2638         (cgraph_edge::dump_edge_flags): Dump call_stmt_cannot_inline_p.
2639         * cgraphclones.c (duplicate_thunk_for_node): Set inline_failed.
2640         * cif-code.def (CIF_LTO_MISMATCHED_DECLARATIONS): New code
2641         (CIF_THUNK): New code.
2642         * ipa-inline-analysis.c (initialize_inline_failed): Preserve
2643         CIF_FINAL_ERROR codes; do not deal with call_stmt_cannot_inline_p.
2644         (compute_inline_parameters): Set inline_failed for thunks.
2645         (inline_analyze_function): Cleanup.
2646         * ipa-inline.c (can_inline_edge_p): Do not deal with
2647         call_stmt_cannot_inline_p.
2648         (can_early_inline_edge_p): Likewise.
2649         (early_inliner): Initialize inline_failed.
2650         * lto-cgraph.c (lto_output_edge): Sanity check inline_failed.
2652 2016-05-03  Uros Bizjak  <ubizjak@gmail.com>
2654         * config/i386/predicates.md (x87nonimm_ssenomem_operand): Rename
2655         from nonimm_ssenomem_operand.
2656         (nonimm_ssenomem_operand): New predicate.
2657         * config/i386/i386.md (extendsfdf2): Use nonimm_ssenomem_operand
2658         as operand 0 predicate.
2659         (*extendsfdf2): Merge from *extendsfdf2_mixed and *extendsfdf2_i387.
2660         Disable unsupported alternatives using "enabled" attribute.
2661         Use register_ssemem_operand as operand 0 predicate.
2662         (*fop_<mode>_1): Use x87nonimm_ssenomem_operand as operand 1 predicate.
2664 2016-05-03  Marek Polacek  <polacek@redhat.com>
2666         PR c/70859
2667         * input.c (expansion_point_location): New function.
2668         * input.h (expansion_point_location): Declare.
2670 2016-05-03  Pierre-Marie de Rodat  <derodat@adacore.com>
2672         * dwarf2out.c (resolve_args_picking_1): Replace the frame_offset
2673         occurence with frame_offset_ ones.
2675 2016-05-03  Alan Modra  <amodra@gmail.com>
2677         PR rtl-optimization/70890
2678         * ira.c (combine_and_move_insns): When moving def_insn, remove
2679         equivs on use_insn.
2681 2016-05-03  Dominik Vogt  <vogt@linux.vnet.ibm.com>
2683         * config/s390/s390.md ("*r<noxa>sbg_<mode>_sll")
2684         ("*r<noxa>sbg_<mode>_srl"): New define_insns.
2685         ("*r<noxa>sbg_<mode>_srl_bitmask"): Rename by adding "_bitmask".
2686         ("*r<noxa>sbg_<mode>_sll_bitmask"): Likewise.
2688 2016-05-03  Alan Modra  <amodra@gmail.com>
2690         * config/rs6000/rs6000.c (rs6000_savres_strategy): Correct condition
2691         for SAVE_MULTIPLE/STORE_MULTIPLE.
2693 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
2695         * config/i386/i386.md (*truncdfsf_mixed, *truncdfsf_i387,
2696         *truncxfsf2_mixed, *truncxfdf2_mixed): Use v constraint instead of x.
2698 2016-05-03  Richard Biener  <rguenther@suse.de>
2700         * gimplify.h (get_initialized_tmp_var): Add allow_ssa parameter
2701         default true.
2702         (gimplify_arg): Likewise.
2703         * gimplify.c (gimplify_expr): Add overload with allow_ssa parameter,
2704         re-writing the result to a decl if required.
2705         (internal_get_tmp_var): Add allow_ssa parameter
2706         and override into_ssa with it.
2707         (get_formal_tmp_var): Adjust.
2708         (get_initialized_tmp_var): Add allow_ssa parameter.
2709         (gimplify_arg): Add allow_ssa parameter and avoid generating
2710         SSA names for the result false.
2711         (gimplify_call_expr): If the call may return twice do not
2712         gimplify parameters into SSA.
2713         (prepare_gimple_addressable): Do not allow an SSA name as temporary.
2714         (gimplify_modify_expr): Adjust assert.  For noreturn calls
2715         with a SSA name LHS adjust its def.
2716         (gimplify_save_expr): Do not allow an SSA name as save-expr result.
2717         (gimplify_one_sizepos): Do not allow an SSA name as a sizepos.
2718         (gimplify_body): Init GIMPLE SSA data structures and gimplify into-SSA.
2719         (gimplify_scan_omp_clauses): Make sure OMP_CLAUSE_SIZE is not
2720         an SSA name.  Likewise for OMP_CLAUSE_REDUCTION operands.
2721         (gimplify_omp_for): Likewise for OMP_CLAUSE_DECL.  Likewise
2722         for OMP_FOR_COND,  OMP_FOR_INCR and OMP_CLAUSE_LINEAR_STEP.
2723         (optimize_target_teams): Do not allow SSA names for clause operands.
2724         (gimplify_expr): Likewise for where we mark the result addressable.
2725         * passes.def (pass_init_datastructures): Remove.
2726         * tree-into-ssa.c (mark_def_sites): Ignore existing SSA names.
2727         (rewrite_stmt): Likewise.
2728         * tree-inline.c (initialize_cfun): Properly transfer SSA state.
2729         (replace_locals_op): Replace SSA names.
2730         (copy_gimple_seq_and_replace_locals): Init src_cfun.
2731         * gimple-low.c (lower_builtin_setjmp): Deal with SSA.
2732         * cgraph.c (release_function_body): Free CFG annotations only
2733         when we have a CFG.  Simplify.
2734         * gimple-fold.c (gimplify_and_update_call_from_tree): Use
2735         force_gimple_operand instead of get_initialized_tmp_var.
2736         * tree-pass.h (make_pass_init_datastructures): Remove.
2737         * tree-ssa.c (execute_init_datastructures): Remove.
2738         (pass_data_init_datastructures): Likewise.
2739         (class pass_init_datastructures): Likewise.
2740         (make_pass_init_datastructures): Likewise.
2741         * omp-low.c (create_omp_child_function): Init SSA data structures.
2742         (grid_expand_target_grid_body): Likewise.
2743         * tree-cfg.c (move_block_to_fn): Double-check the DEF is an SSA
2744         name before adding it to names_to_release.
2745         (remove_bb): Always release SSA defs.
2746         * tree-ssa-ccp.c (get_default_value): Check SSA_NAME_VAR
2747         before dereferencing it.
2748         * cgraphunit.c (init_lowered_empty_function): Always
2749         int SSA data structures.
2750         * tree-ssanames.c (release_defs): Remove assert that we are in
2751         SSA form.
2752         * trans-mem.c (diagnose_tm_1): Handle SSA name function.
2754 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
2755             Uros Bizjak  <ubizjak@gmail.com>
2757         PR rtl-optimization/70467
2758         * config/i386/predicates.md (x86_64_hilo_int_operand,
2759         x86_64_hilo_general_operand): New predicates.
2760         * config/i386/constraints.md (Wd): New constraint.
2761         * config/i386/i386.md (mode attr di): Use Wd instead of e.
2762         (general_hilo_operand): New mode attr.
2763         (add<mode>3, sub<mode>3): Use <general_hilo_operand>
2764         instead of <general_operand>.
2765         (*add<dwi>3_doubleword, *sub<dwi>3_doubleword): Use
2766         x86_64_hilo_general_operand instead of <general_operand>.
2768 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
2770         PR tree-optimization/70916
2771         * tree-if-conv.c (constant_or_ssa_name): Removed.
2772         (fold_build_cond_expr): Use is_gimple_val instead of
2773         constant_or_ssa_name.
2775         PR tree-optimization/70916
2776         * tree-vect-patterns.c (vect_recog_mask_conversion_pattern): Give up
2777         if COND_EXPR rhs1 is neither SSA_NAME nor COMPARISON_CLASS_P.
2779         PR target/49244
2780         * tree-ssa-ccp.c: Include stor-layout.h and optabs-query.h.
2781         (optimize_atomic_bit_test_and): New function.
2782         (pass_fold_builtins::execute): Use it.
2783         * optabs.def (atomic_bit_test_and_set_optab,
2784         atomic_bit_test_and_complement_optab,
2785         atomic_bit_test_and_reset_optab): New optabs.
2786         * internal-fn.def (ATOMIC_BIT_TEST_AND_SET,
2787         ATOMIC_BIT_TEST_AND_COMPLEMENT, ATOMIC_BIT_TEST_AND_RESET): New ifns.
2788         * builtins.h (expand_ifn_atomic_bit_test_and): New prototype.
2789         * builtins.c (expand_ifn_atomic_bit_test_and): New function.
2790         * internal-fn.c (expand_ATOMIC_BIT_TEST_AND_SET,
2791         expand_ATOMIC_BIT_TEST_AND_COMPLEMENT,
2792         expand_ATOMIC_BIT_TEST_AND_RESET): New functions.
2793         * doc/md.texi (atomic_bit_test_and_set@var{mode},
2794         atomic_bit_test_and_complement@var{mode},
2795         atomic_bit_test_and_reset@var{mode}): Document.
2796         * config/i386/sync.md (atomic_bit_test_and_set<mode>,
2797         atomic_bit_test_and_complement<mode>,
2798         atomic_bit_test_and_reset<mode>): New expanders.
2799         (atomic_bit_test_and_set<mode>_1,
2800         atomic_bit_test_and_complement<mode>_1,
2801         atomic_bit_test_and_reset<mode>_1): New insns.
2803 2016-05-03  Richard Sandiford  <richard.sandiford@arm.com>
2805         PR rtl-optimization/70687
2806         * combine.c (change_zero_ext): Check for scalar modes.  Use wide_int
2807         instead of unsigned HOST_WIDE_INT.
2809 2016-05-03  Bernd Schmidt  <bschmidt@redhat.com>
2811         PR rtl-optimization/44281
2812         * hard-reg-set.h (struct target_hard_regs): New field
2813         x_fixed_nonglobal_reg_set.
2814         (fixed_nonglobal_reg_set): New macro.
2815         * reginfo.c (init_reg_sets_1): Initialize it.
2816         * ira.c (setup_alloc_regs): Use fixed_nonglobal_reg_set instead
2817         of fixed_reg_set.
2818         * df-scan.c (df_insn_refs_collect): Asms may reference global regs.
2820 2016-05-03  Bin Cheng  <bin.cheng@arm.com>
2822         PR tree-optimization/56541
2823         * doc/invoke.texi (@item max-tree-if-conversion-phi-args): New item.
2824         * params.def (PARAM_MAX_TREE_IF_CONVERSION_PHI_ARGS): new param.
2825         * tree-if-conv.c (MAX_PHI_ARG_NUM): new macro.
2826         (any_complicated_phi): new static variable.
2827         (aggressive_if_conv): delete.
2828         (if_convertible_phi_p): support phis with more than two arguments.
2829         (if_convertible_bb_p): remvoe check on aggressive_if_conv and
2830         critical pred edges.
2831         (ifcvt_split_critical_edges): support phis with more than two
2832         arguments by checking new parameter.  only split critical edges
2833         if needed.
2834         (tree_if_conversion): handle simd pragma marked loop using new
2835         local variable aggressive_if_conv.  check any_complicated_phi.
2837 2016-05-03  Bin Cheng  <bin.cheng@arm.com>
2839         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Check depends_on
2840         before using it.
2842 2016-05-03  Bin Cheng  <bin.cheng@arm.com>
2844         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Don't clobber
2845         cbase.
2847 2016-05-03  Oleg Endo  <olegendo@gcc.gnu.org>
2849         * config/sh/sh.md (udivsi3, divsi3, mulsi3): Simplify.
2850         (mulhisi3, umulhisi3, (smulsi3_highpart, umulsi3_highpart): Convert to
2851         define_insn_and_split.
2852         (mulsi3_i): New define_insn_and_split.
2853         (mulsi3_call): Convert to define_insn.
2854         (mulsidi3, mulsidi3_compact, umulsidi3, umulsidi3_compact):
2855         Remove constraints.
2857 2016-05-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
2859         * machmode.h (mode_complex): Add support to give the complex mode
2860         for a given mode.
2861         (GET_MODE_COMPLEX_MODE): Likewise.
2862         * stor-layout.c (layout_type): For COMPLEX_TYPE, use the mode
2863         stored by build_complex_type and gfc_build_complex_type instead of
2864         trying to figure out the appropriate mode based on the size. Raise
2865         an assertion error, if the type was not set.
2866         * genmodes.c (struct mode_data): Add field for the complex type of
2867         the given type.
2868         (blank_mode): Likewise.
2869         (make_complex_modes): Remember the complex mode created in the
2870         base type.
2871         (emit_mode_complex): Write out the mode_complex array to map a
2872         type mode to the complex version.
2873         (emit_insn_modes_c): Likewise.
2874         * tree.c (build_complex_type): Set the complex type to use before
2875         calling layout_type.
2876         * config/rs6000/rs6000.c (rs6000_hard_regno_nregs_internal): Add
2877         support for __float128 complex datatypes.
2878         (rs6000_hard_regno_mode_ok): Likewise.
2879         (rs6000_setup_reg_addr_masks): Likewise.
2880         (rs6000_complex_function_value): Likewise.
2881         * config/rs6000/rs6000.h (FLOAT128_IEEE_P): Likewise.
2882         __float128 and __ibm128 complex.
2883         (FLOAT128_IBM_P): Likewise.
2884         (ALTIVEC_ARG_MAX_RETURN): Likewise.
2885         * doc/extend.texi (Additional Floating Types): Document that
2886         -mfloat128 must be used to enable __float128.  Document complex
2887         __float128 and __ibm128 support.
2889 2016-05-02  Jakub Jelinek  <jakub@redhat.com>
2891         PR target/49244
2892         * gimple.c (gimple_builtin_call_types_compatible_p): Allow
2893         char/short arguments promoted to int because of promote_prototypes.
2895 2016-05-02  Uros Bizjak  <ubizjak@gmail.com>
2897         * config/i386/predicates.md (register_ssemem_operand): New predicate.
2898         * config/i386/i386.md (*cmpi<FPCMP:unord><MODEF:mode>): Merge from
2899         *cmpi<FPCMP:unord><MODEF:mode>_mixed and
2900         *cmpi<FPCMP:unord><X87MODEF:mode>_i387.  Disable unsupported
2901         alternatives using "enabled" attribute.  Use register_ssemem_operand
2902         as operand 1 predicate.
2903         (*cmpi<unord>xf_i387): Split XFmode pattern from
2904         *cmpi<FPCMP:unord><X87MODEF:mode>_i387.
2905         (*absneg<mode>2): Merge from *absneg<mode>2_mixed and
2906         *absneg<mode>2_i387.  Disable unsupported alternatives using
2907         "enabled" attribute.
2908         (*absnegxf2_i387): Split XFmode pattern from *absneg<mode>2_i387.
2910 2016-05-02  Nathan Sidwell  <nathan@codesourcery.com>
2912         * omp-low.c (lower_oacc_head_tail): Assert there is at least one
2913         marker.
2914         (oacc_loop_process): Check mask for loop termination.
2916 2016-05-02  Jan Hubicka  <hubicka@ucw.cz>
2918         * cif-code.def (CIF_THUNK): Add.
2919         * ipa-inline-analsysis.c (evaluate_conditions_for_known_args): Revert
2920         accidental change.
2922 2016-05-02  Jan Hubicka  <hubicka@ucw.cz>
2924         * ipa-inline-analysis.c (reset_inline_summary): Clear fp_expressions
2925         (dump_inline_summary): Dump it.
2926         (fp_expression_p): New predicate.
2927         (estimate_function_body_sizes): Use it.
2928         (inline_merge_summary): Merge fp_expressions.
2929         (inline_read_section): Read fp_expressions.
2930         (inline_write_summary): Write fp_expressions.
2931         * ipa-inline.c (can_inline_edge_p): Permit inlining across fp math
2932         codegen boundary if either caller or callee is !fp_expressions.
2933         * ipa-inline.h (inline_summary): Add fp_expressions.
2934         * ipa-inline-transform.c (inline_call): When inlining !fp_expressions
2935         to fp_expressions be sure the fp generation flags are updated.
2937 2016-05-02  Jakub Jelinek  <jakub@redhat.com>
2939         PR rtl-optimization/70467
2940         * cse.c (cse_insn): Handle no-op MEM moves after folding.
2942         PR rtl-optimization/70467
2943         * ipa-pure-const.c (check_call): Handle internal calls even in
2944         ipa mode like in local mode.
2946 2016-05-02  Bernd Edlinger  <bernd.edlinger@hotmail.de>
2948         * doc/install.texi: Document supported in-tree gmp/mpfr/mpc versions.
2950 2016-05-02  Marc Glisse  <marc.glisse@inria.fr>
2952         * match.pd (X u< X, X u> X): New transformations.
2954 2016-05-02  Marc Glisse  <marc.glisse@inria.fr>
2956         * flag-types.h (enum warn_strict_overflow_code): Move ...
2957         * coretypes.h: ... here.
2958         * fold-const.h (fold_overflow_warning): Declare.
2959         * fold-const.c (fold_overflow_warning): Make non-static.
2960         (fold_comparison): Move the transformation of X +- C1 CMP C2
2961         into X CMP C2 -+ C1 ...
2962         * match.pd: ... here.
2963         * gimple-fold.c (fold_stmt_1): Protect with
2964         fold_defer_overflow_warnings.
2966 2016-05-02  Nathan Sidwell  <nathan@codesourcery.com>
2968         * omp-low.c (struct oacc_loop): Add 'inner' field.
2969         (new_oacc_loop_raw): Initialize it to zero.
2970         (oacc_loop_fixed_partitions): Initialize it.
2971         (oacc_loop_auto_partitions): Partition outermost loop to outermost
2972         available partitioning.
2974 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
2976         * config/arc/arc.md (mulsidi3): Change operand 0 predicate to
2977         register_operand.
2978         (umulsidi3): Likewise.
2979         (indirect_jump): Fix jump instruction assembly patterns.
2981 2016-05-02  Thomas Schwinge  <thomas@codesourcery.com>
2983         PR target/70860
2984         * config/nvptx/nvptx.c (nvptx_libcall_value): Handle NULL cfun.
2985         (nvptx_function_value): Assert non-NULL cfun.
2987 2016-05-02  Eric Botcazou  <ebotcazou@adacore.com>
2989         PR rtl-optimization/70886
2990         * sched-deps.c (estimate_dep_weak): Canonicalize cselib values.
2992         * cselib.h (rtx_equal_for_cselib_1): Declare.
2993         (rtx_equal_for_cselib_p: New inline function.
2994         * cselib.c (rtx_equal_for_cselib_p): Delete.
2995         (rtx_equal_for_cselib_1): Make public.
2997 2016-05-02  Uros Bizjak  <ubizjak@gmail.com>
2999         * config/i386/predicates.md (nonimm_ssenomem_operand): New predicate.
3000         (register_mixssei387nonimm_operand): Remove predicate.
3001         * config/i386/i386.md (*fop_<mode>_comm): Merge from
3002         *fop_<mode>_comm_mixed and *fop_<mode>_comm_i387.  Disable unsupported
3003         alternatives using "enabled" attribute.  Also check X87_ENABLE_ARITH
3004         for TARGET_MIX_SSE_I387 alternatives.
3005         (*fop_<mode>_1): Merge from *fop_<mode>_1_mixed and *fop_<mode>_1_i387.
3006         Disable unsupported alternatives using "enabled" attribute.  Use
3007         nonimm_ssenomem_operand as operand 1 predicate.  Also check
3008         X87_ENABLE_ARITH for TARGET_MIX_SSE_I387 alternatives.
3010 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
3012         * tree.c (cst_and_fits_in_hwi): Simplify.
3014 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
3016         * tree.h (wi::to_wide): New function.
3017         * expr.c (expand_expr_real_1): Use wi::to_wide.
3018         * fold-const.c (int_const_binop_1): Likewise.
3019         (extract_muldiv_1): Likewise.
3021 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
3023         * wide-int.h: Update offset_int and widest_int documentation.
3024         (WI_SIGNED_SHIFT_RESULT): New macro.
3025         (wi::binary_shift): Define signed_shift_result_type for
3026         shifts on offset_int- and widest_int-like types.
3027         (generic_wide_int): Support <<= and >>= if << and >> are supported.
3028         * tree.h (int_bit_position): Use shift operators instead of wi::
3029          shifts.
3030         * alias.c (adjust_offset_for_component_ref): Likewise.
3031         * expr.c (get_inner_reference): Likewise.
3032         * fold-const.c (fold_comparison): Likewise.
3033         * gimple-fold.c (fold_nonarray_ctor_reference): Likewise.
3034         * gimple-ssa-strength-reduction.c (restructure_reference): Likewise.
3035         * tree-dfa.c (get_ref_base_and_extent): Likewise.
3036         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Likewise.
3037         (stmt_kills_ref_p): Likewise.
3038         * tree-ssa-ccp.c (bit_value_binop_1): Likewise.
3039         * tree-ssa-math-opts.c (find_bswap_or_nop_load): Likewise.
3040         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
3041         (ao_ref_init_from_vn_reference): Likewise.
3043 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
3045         * wide-int.h: Update offset_int and widest_int documentation.
3046         (WI_SIGNED_BINARY_PREDICATE_RESULT): New macro.
3047         (wi::binary_traits): Allow ordered comparisons between offset_int and
3048         offset_int, between widest_int and widest_int, and between either
3049         of these types and basic C types.
3050         (operator <, <=, >, >=): Define for the same combinations.
3051         * tree.h (tree_int_cst_lt): Use comparison operators instead
3052         of wi:: comparisons.
3053         (tree_int_cst_le): Likewise.
3054         * gimple-fold.c (fold_array_ctor_reference): Likewise.
3055         (fold_nonarray_ctor_reference): Likewise.
3056         * gimple-ssa-strength-reduction.c (record_increment): Likewise.
3057         * tree-affine.c (aff_comb_cannot_overlap_p): Likewise.
3058         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Likewise.
3059         * tree-sra.c (completely_scalarize): Likewise.
3060         * tree-ssa-alias.c (stmt_kills_ref_p): Likewise.
3061         * tree-ssa-reassoc.c (extract_bit_test_mask): Likewise.
3062         * tree-vrp.c (extract_range_from_binary_expr_1): Likewise.
3063         (check_for_binary_op_overflow): Likewise.
3064         (search_for_addr_array): Likewise.
3065         * ubsan.c (ubsan_expand_objsize_ifn): Likewise.
3067 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
3069         * config/arc/arc.c (arc_preferred_simd_mode): Remove enum keyword.
3070         (arc_save_restore): Likewise.
3071         (arc_dwarf_register_span): Likewise.
3072         (arc_output_pic_addr_const): Initialize suffix variable.
3074 2016-05-02  Martin Liska  <mliska@suse.cz>
3076         * symbol-summary.h (function_summary::function_summary):
3077         Remove checking assert for all cgraph nodes.
3078         (function_summary::get): Check summary_uid.
3079         (symtab_insertion): Check summary_uid.
3081 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
3083         * config/arc/arc-protos.h (compact_memory_operand_p): Declare.
3084         * config/arc/arc.c (arc_output_commutative_cond_exec): Consider
3085         bmaskn instruction.
3086         (arc_dwarf_register_span): Remove enum keyword.
3087         (compact_memory_operand_p): New function.
3088         * config/arc/arc.h (reg_class): Add code density register classes.
3089         (REG_CLASS_NAMES): Likewise.
3090         (REG_CLASS_CONTENTS): Likewise.
3091         * config/arc/arc.md (*movqi_insn): Add code density instructions.
3092         (*movhi_insn, *movsi_insn, *movsf_insn): Likewise.
3093         (*extendhisi2_i, andsi3_i, cmpsi_cc_insn_mixed): Likewise.
3094         (*cmpsi_cc_c_insn, *movsi_ne): Likewise.
3095         * config/arc/constraints.md (C2p, Uts, Cm1, Cm3, Ucd): New
3096         constraints.
3097         (h, Rcd, Rsd, Rzd): New register constraints.
3098         (T): Use compact_memory_operand_p function.
3099         * config/arc/predicates.md (compact_load_memory_operand): Remove.
3101 2016-05-02  Oleg Endo  <olegendo@gcc.gnu.org>
3103         * config/sh/sh.md (*negnegt, *movtt): Remove.
3105 2016-05-02  Marek Polacek  <polacek@redhat.com>
3106             Tom de Vries  <tom@codesourcery.com>
3108         PR tree-optimization/70700
3109         * tree-ssa-structalias.c (dump_pred_graph): Fix getting varinfo for ids
3110         bigger than FIRST_REF_NODE.
3112 2016-05-02  Oleg Endo  <olegendo@gcc.gnu.org>
3114         PR target/52898
3115         * config/sh/sh.c (sh_option_override): Remove TARGET_CBRANCHDI4,
3116         TARGET_CMPEQDI_T.
3117         (prepare_cbranch_operands): Don't use scratch register.  Assume that
3118         function is used when pseudos can be created.
3119         (expand_cbranchdi4): Likewise.  Remove unused TARGET_CMPEQDI_T paths.
3120         * config/sh/sh.md (cbranchsi4): Allow only when pseudos can be created.
3121         (cbranchdi4, cbranchdi4_i): Simplify to single cbranchdi4
3122         define_expand.  Allow it only when pseudos can be created.
3123         * config/sh/sh.opt (mcbranchdi, mcmpeqdi): Delete.
3125 2016-05-01  Uros Bizjak  <ubizjak@gmail.com>
3127         * config/i386/constraints.md (BC): Only allow -1 operands.
3128         * config/i386/sse.md (mov<mode>_internal): Add (v,C) alternative.
3129         Add "enabled" attribute.  Update XI mode attribute calculation.
3130         * config/i386/i386.md (*movxi_internal_avx512f): Add (v,C) alternative.
3131         (*movoi_internal_avx): Update XI mode attribute calculation.
3132         (*movti_internal): Ditto.
3134 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
3136         * config/sh/sh.md (push, pop, ic_invalidate_line, cstoresi4, cstoredi4,
3137         cstoresf4, cstoredf4, fix_truncsfsi2): Remove constraints.
3139 2016-05-01  Eric Botcazou  <ebotcazou@adacore.com>
3141         * config/rs6000/rs6000.c (altivec_expand_lv_builtin): Do not use switch
3142         statement on instruction code.  Remove trailing spaces.
3143         (altivec_expand_stv_builtin): Likewise.
3145 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
3147         * config/sh/sh.h (TARGET_SH4): Remove and use default implementation.
3148         (TARGET_FPU_DOUBLE): Simplify.
3149         (BASE_ARG_REG, DOUBLE_TYPE_SIZE, OPTIMIZE_MODE_SWITCHING): Replace
3150         'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions with 'TARGET_FPU_DOUBLE'.
3151         * config/sh/sh.c: Replace 'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions
3152         with 'TARGET_FPU_DOUBLE'.
3153         * config/sh/sh.md: Likewise.
3155 2016-05-01  Yoshinori Sato  <ysato@users.sourceforge.jp>
3157         * config/sh/linux.h (SH_DIV_STRATEGY_DEFAULT,
3158         SH_DIV_STR_FOR_SIZE): Remove.
3159         * config/sh/netbsd-elf.h (SH_DIV_STRATEGY_DEFAULT,
3160         SH_DIV_STR_FOR_SIZE): Remove.
3162 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
3164         * config/sh/predicates.md (any_register_operand, zero_extend_operand,
3165         logical_reg_operand): Delete.
3166         (arith_operand, arith_reg_dest, arith_or_int_operand, cmpsi_operand,
3167         arith_reg_or_0_operand, arith_reg_or_0_or_1_operand, logical_operand,
3168         logical_and_operand, movsrc_no_disp_mem_operand): Rewrite using
3169         match_operand and match_test.
3170         (sh_const_vec, sh_1el_vec): Remove redundant checks.  Declare local
3171         variables on their first use.  Return bool values.
3172         * config/sh/sh.h (LOAD_EXTEND_OP): Update comment.
3173         * config/sh/sh.md (andsi3, iorsi3): Use arith_reg_dest for result and
3174         arith_reg_operand for input operand.  Remove empty constraints.
3175         (xorsi3): Delete.
3176         (*xorsi3_compact): Rename to xorsi3.
3177         (zero_extend<mode>si2): Use arith_reg_operand for input operand.
3178         (*zero_extend<mode>si2_disp_mem): Update comment.
3179         (mov_nop): Delete.
3181 2016-04-30  Oleg Endo  <olegendo@gcc.gnu.org>
3183         * config/sh/t-sh: Remove SH5 support.
3184         * config.gcc: Likewise.
3185         * configure: Likewise.
3187 2016-04-30  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3189         * config/darwin.h (LINK_COMMAND_SPEC_A): Handle -fcilkplus.
3191 2016-04-30  Oleg Endo  <olegendo@gcc.gnu.org>
3193         * config/sh/sh.c (register_sh_passes, sh_option_override,
3194         sh_print_operand, prepare_move_operands,
3195         sh_can_follow_jump): Remove TARGET_SH1 checks.
3196         * config/sh/sh.h (TARGET_VARARGS_PRETEND_ARGS, VALID_REGISTER_P,
3197         PROMOTE_MODE): Likewise.
3198         * config/sh/sh.md (adddi3, addsi3, subdi3, subsi3, andsi3,
3199         movdi): Likewise.
3201 2016-04-30  Alan Modra  <amodra@gmail.com>
3203         * config/rs6000/rs6000.c (rs6000_savres_strategy): Force inline
3204         restoring when fixed_reg_p, but allow out-of-line or stmw save.
3205         Check for user regs later to avoid unnecessary looping over regs.
3206         Merge user reg check with non-saved reg check.  Don't force
3207         inline VR restore when static chain used.
3208         (rs6000_frame_related): Omit eh_frame info for user regs when
3209         saving.
3210         (fixed_regs_p): Delete.
3212 2016-04-30  Alan Modra  <amodra@gmail.com>
3214         * config/rs6000/rs6000.c (SAVRES_MULTIPLE): Replace with..
3215         (SAVE_STRATEGY, REST_STRATEGY): ..this.  Renumber and sort enum.
3216         Update all uses.
3218 2016-04-30  Alan Modra  <amodra@gmail.com>
3220         PR target/69645
3221         * config/rs6000/rs6000.c (fixed_reg_p): New function.
3222         (fixed_regs_p): Rename from global_regs_p.  Call fixed_reg_p.
3223         Update all uses.
3225 2016-04-30  Alan Modra  <amodra@gmail.com>
3227         * config/rs6000/rs6000.c (rs6000_conditional_register_usage):
3228         Remove redundant PIC_OFFSET_TABLE_REGNUM test.  Replace with
3229         flag_pic test for Darwin.
3231 2016-04-30  Alan Modra  <amodra@gmail.com>
3233         * regs.h (struct reg_info_t): Delete freq_calls_crossed and
3234         throw_calls_crossed.
3235         (REG_FREQ_CALLS_CROSSED): Delete.
3236         (REG_N_THROWING_CALLS_CROSSED): Delete.
3237         * regstat.c (regstat_bb_compute_ri): Don't calculate
3238         REG_FREQ_CALLS_CROSSED and REG_N_THROWING_CALLS_CROSSED.
3239         (dump_reg_info): Don't print call cross frequency.
3240         * ira.c (combine_and_move_insns): Don't set REG_FREQ_CALLS_CROSSED
3241         and REG_N_THROWING_CALLS_CROSSED.
3243 2016-04-30  Alan Modra  <amodra@gmail.com>
3245         * regs.h (struct reg_info_t): Delete live_length.
3246         (REG_LIVE_LENGTH): Delete macro.
3247         * regstat.c (regstat_bb_compute_ri): Delete artificial_uses,
3248         local_live, local_processed and local_live_last_luid params.
3249         Replace bb_index param with bb.  Don't set REG_LIVE_LENGTH.
3250         Formatting fixes.
3251         (regstat_compute_ri): Adjust for above.  Don't set
3252         REG_LIVE_LENGTH.
3253         (dump_reg_info): Don't print live length.
3254         * ira.c (update_equiv_regs): Replace test of REG_LIVE_LENGTH
3255         with test of setjmp_crosses.  Don't set REG_LIVE_LENGTH.
3256         Localize loop_depth var.
3258 2016-04-30  Alan Modra  <amodra@gmail.com>
3260         * ira.c (enum valid_equiv): New.
3261         (validate_equiv_mem): Return enum.
3262         (update_equiv_mem): Create replacement in more cases.
3263         (add_store_equivs): Update validate_equiv_mem call.
3265 2016-04-30  Alan Modra  <amodra@gmail.com>
3267         * ira.c (combine_and_move_insns): Rather than scanning insns,
3268         use DF infrastucture to find use and def insns.
3270 2016-04-30  Alan Modra  <amodra@gmail.com>
3272         ira.c (combine_and_move_insns): Move invariant conditions..
3273         (ira.c): ..to here.  Call combine_and_move_insns before
3274         add_store_equivs.  Call grow_reg_equivs later.  Allocate
3275         req_equiv later using max_reg_num() rather than global max_regno.
3276         (contains_replace_regs): Delete.
3277         (add_store_equivs): Remove contains_replace_regs test.
3279 2016-04-30  Alan Modra  <amodra@gmail.com>
3281         * ira.c (struct equiv_mem_data): New.
3282         (equiv_mem, equiv_mem_modified): Delete static vars.
3283         (validate_equiv_mem_from_store): Use "data" param to communicate..
3284         (validate_equiv_mem): ..from here.
3286 2016-04-30  Alan Modra  <amodra@gmail.com>
3288         * ira.c (add_store_equivs, combine_and_move_insns): New functions,
3289         split out from..
3290         (update_reg_equivs): ..here.  Move allocation and freeing of
3291         reg_equiv, and calls to grow_reg_equivs, init_alias_analysis,
3292         end_alias_analysis to..
3293         (ira): ..here.
3295 2016-04-30  Alan Modra  <amodra@gmail.com>
3297         * ira.c (pdx_subregs): Delete.
3298         (struct equivalence): Add pdx_subregs field.
3299         (set_paradoxical_subreg): Remove pdx_subregs param.  Update
3300         pdx_subregs access.
3301         (update_equiv_regs): Don't create or free pdx_subregs.  Update
3302         pdx_subregs access.
3304 2016-04-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3306         * config/rs6000/altivec.h: Change definitions of vec_xl and
3307         vec_xst.
3308         * config/rs6000/rs6000-builtin.def (LD_ELEMREV_V2DF): New.
3309         (LD_ELEMREV_V2DI): New.
3310         (LD_ELEMREV_V4SF): New.
3311         (LD_ELEMREV_V4SI): New.
3312         (LD_ELEMREV_V8HI): New.
3313         (LD_ELEMREV_V16QI): New.
3314         (ST_ELEMREV_V2DF): New.
3315         (ST_ELEMREV_V2DI): New.
3316         (ST_ELEMREV_V4SF): New.
3317         (ST_ELEMREV_V4SI): New.
3318         (ST_ELEMREV_V8HI): New.
3319         (ST_ELEMREV_V16QI): New.
3320         (XL): New.
3321         (XST): New.
3322         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
3323         descriptions for VSX_BUILTIN_VEC_XL and VSX_BUILTIN_VEC_XST.
3324         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Map from
3325         TARGET_P9_VECTOR to RS6000_BTM_P9_VECTOR.
3326         (altivec_expand_builtin): Add handling for
3327         VSX_BUILTIN_ST_ELEMREV_<MODE> and VSX_BUILTIN_LD_ELEMREV_<MODE>.
3328         (rs6000_invalid_builtin): Add error-checking for
3329         RS6000_BTM_P9_VECTOR.
3330         (altivec_init_builtins): Define builtins used to implement vec_xl
3331         and vec_xst.
3332         (rs6000_builtin_mask_names): Define power9-vector.
3333         * config/rs6000/rs6000.h (MASK_P9_VECTOR): Define.
3334         (RS6000_BTM_P9_VECTOR): Define.
3335         (RS6000_BTM_COMMON): Include RS6000_BTM_P9_VECTOR.
3336         * config/rs6000/vsx.md (vsx_ld_elemrev_v2di): New define_insn.
3337         (vsx_ld_elemrev_v2df): Likewise.
3338         (vsx_ld_elemrev_v4sf): Likewise.
3339         (vsx_ld_elemrev_v4si): Likewise.
3340         (vsx_ld_elemrev_v8hi): Likewise.
3341         (vsx_ld_elemrev_v16qi): Likewise.
3342         (vsx_st_elemrev_v2df): Likewise.
3343         (vsx_st_elemrev_v2di): Likewise.
3344         (vsx_st_elemrev_v4sf): Likewise.
3345         (vsx_st_elemrev_v4si): Likewise.
3346         (vsx_st_elemrev_v8hi): Likewise.
3347         (vsx_st_elemrev_v16qi): Likewise.
3348         * doc/extend.texi: Add prototypes for vec_xl and vec_xst.  Correct
3349         grammar.
3351 2016-04-29  Patrick Palka  <ppalka@gcc.gnu.org>
3353         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Split
3354         out into ...
3355         (simplify_control_stmt_condition_1): ... here.  Recurse into
3356         BIT_AND_EXPRs and BIT_IOR_EXPRs.
3358 2016-04-29  David Edelsohn  <dje.gcc@gmail.com>
3360         PR target/69810
3361         * config/rs6000/rs6000.md (EXTQI): Don't allow extension to HImode.
3362         (zero_extendqi<mode>2_dot): Revert earlier conversion from
3363         define_insn_and_split to define_insn.
3364         (zero_extendqi<mode>2_dot2): Same.
3365         (extendqi<mode>2_dot): Same.
3366         (extendqi<mode>2_dot2): Same.
3368 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
3370         * config/i386/i386.md (unspec): Add UNSPEC_PROBE_STACK.
3371         (probe_stack): New expander.
3372         (probe_stack_<mode>): New insn pattern.
3374 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
3376         * config/i386/i386.md
3377         (operations with memory inputs setting flags peephole2):
3378         Remove uneeded REG_P checks.  Cleanup pattern generation.
3380 2016-04-29  Ilya Enkovich  <ilya.enkovich@intel.com>
3382         * tree-vect-loop.c (vect_transform_loop): Fix
3383         nb_iterations_upper_bound computation for vectorized loop.
3385 2016-04-29  Marek Polacek  <polacek@redhat.com>
3386             Jakub Jelinek  <jakub@redhat.com>
3388         PR sanitizer/70342
3389         * fold-const.c (tree_single_nonzero_warnv_p): For TARGET_EXPR, use
3390         TARGET_EXPR_SLOT as a base.
3392 2016-04-29  Andrew Burgess  <andrew.burgess@embecosm.com>
3394         * config/arc/arc.md (*loadqi_update): Replace use of 'rI' constraint
3395         with 'rCm2' constraints to limit possible immediate size.
3396         (*load_zeroextendqisi_update): Likewise.
3397         (*load_signextendqisi_update): Likewise.
3398         (*loadhi_update): Likewise.
3399         (*load_zeroextendhisi_update): Likewise.
3400         (*load_signextendhisi_update): Likewise.
3401         (*loadsi_update): Likewise.
3402         (*loadsf_update): Likewise.
3404 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
3406         * config/i386/predicates.md (constm1_operand): Fix comparison.
3408 2016-04-29  Claudiu Zissulescu  <claziss@synopsys.com>
3410         * testsuite/gcc.target/arc/ieee_eq.c: New test.
3412 2016-04-29  Oleg Endo  <olegendo@gcc.gnu.org>
3414         * common/config/sh/sh-common.c (sh_option_optimization_table): Remove
3415         remaining SH5 related settings.
3416         * config/sh/sh-protos.h (shmedia_cleanup_truncate,
3417         shmedia_prepare_call_address): Delete.
3418         * config/sh/sh.c (sh_print_operand, output_stack_adjust,
3419         DWARF_CIE_DATA_ALIGNMENT, LOCAL_ALIGNMENT): Update comments.
3420         * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC,
3421         UNSUPPORTED_SH2A): Remove m5 checks.
3422         (sh_divide_strategy_e): Remove SH5 division strategies.
3423         (TARGET_PTRMEMFUNC_VBIT_LOCATION): Remove and use default.
3424         * config/sh/sh.md (divsf3): Reinstate define_expand pattern.
3426 2016-04-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
3428         * config/s390/s390.c (s390_rtx_costs): Update documentation.
3430 2016-04-29  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3432         * config/s390/2964.md ("z13_unit_fxu", "z13_0"): Remove lder.
3433         * config/s390/s390.md ("movsi_larl", "*movsi_esa", "mov<mode>"):
3434         Change lder to ldr.
3435         * config/s390/vector.md ("mov<mode>"): Likewise.
3437 2016-04-29  Ulrich Weigand  <uweigand@de.ibm.com>
3439         * config/s390/constraints.md ("U", "W"): Invoke
3440         s390_mem_constraint with "ZR" and "ZT".
3441         * config/s390/s390.c (s390_check_qrst_address): Reject invalid
3442         addresses when using LRA.  Accept also short displacements for S
3443         and T constraints.  Do not check for long displacement target for
3444         S and T constraints.
3445         (s390_mem_constraint): Remove handling of U and W constraints.
3446         * config/s390/s390.md (various patterns): Remove the short
3447         displacement constraints (Q and R) if a long displacement
3448         constraint is present.  Add longdisp as required CPU capability.
3449         * config/s390/vector.md: Likewise.
3450         * config/s390/vx-builtins.md: Likewise.
3452 2016-04-29  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
3454         PR target/60040
3455         * reload1.c (reload): Call finish_spills before
3456         restarting reload loop. Skip select_reload_regs
3457         if update_eliminables_and_spill returns true.
3459 2016-04-29  Claudiu Zissulescu  <claziss@synopsys.com>
3461         * config/arc/arc.h (UNSIGNED_INT12, UNSIGNED_INT16): Define.
3462         * config/arc/arc.md (umulhisi3): Use arc_short_operand predicate.
3463         (umulhisi3_imm): Update predicates and constraint letters.
3464         (umulhisi3_reg): Declare instruction as commutative.
3465         * config/arc/constraints.md (J12, J16): New constraints.
3466         * config/arc/predicates.md (short_unsigned_const_operand): New
3467         predicate.
3468         (arc_short_operand): Likewise.
3469         * testsuite/gcc.target/arc/umulsihi3_z.c: New file.
3471 2016-04-29  Richard Biener  <rguenther@suse.de>
3473         PR tree-optimization/13962
3474         PR tree-optimization/65686
3475         * tree-ssa-alias.h (ptrs_compare_unequal): Declare.
3476         * tree-ssa-alias.c (ptrs_compare_unequal): New function
3477         using PTA to compare pointers.
3478         * match.pd: Add pattern for pointer equality compare simplification
3479         using ptrs_compare_unequal.
3481 2016-04-29  Richard Biener  <rguenther@suse.de>
3483         * stor-layout.c (layout_type): Do not build a pointer-to-element
3484         type for arrays.
3486 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
3488         * config/i386/i386.md (Load+RegOp to Mov+MemOp peephole2):
3489         Use SWI mode iterator.  Use general_reg_operand predicate.
3490         (Load+RegOp to Mov+MemOp peephole2 with vector regs): Split
3491         peephole to MMX and SSE part.  Use mmx_reg_operand and sse_reg_operand
3492         predicates.
3494 2016-04-29  Jakub Jelinek  <jakub@redhat.com>
3496         PR middle-end/70843
3497         * fold-const.c (operand_equal_p): Don't verify hash value equality
3498         if arg0 == arg1.
3499         * tree.c (inchash::add_expr): Handle STATEMENT_LIST.  Ignore BLOCK
3500         and OMP_CLAUSE.
3502 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
3504         PR target/70858
3505         * config/i386/i386.c (bdesc_special_args): Add | OPTION_MASK_ISA_64BIT
3506         to __builtin_ia32_lwpval64 and __builtin_ia32_lwpins64.
3507         (bdesc_args): Add | OPTION_MASK_ISA_64BIT to __builtin_ia32_bextr_u64,
3508         __builtin_ia32_bextri_u64, __builtin_ia32_bzhi_di,
3509         __builtin_ia32_pdep_di and __builtin_ia32_pext_di.
3511 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
3513         * config/rs6000/rs6000.c (compute_save_world_info): Rename info_ptr
3514         to info.  Don't initialize separate fields to 0.  Clean up
3515         formatting a bit.
3517 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
3519         * config/i386/i386.md (peephole2s for operations with memory inputs):
3520         Use SWI mode iterator.
3521         (peephole2s for operations with memory outputs): Ditto.
3522         Do not check for stack checking probe.
3524         (probe_stack): Remove expander.
3526 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
3527             Andrew Burgess  <andrew.burgess@embecosm.com>
3529         * config/arc/arc.c (arc_print_operand): Print integer 'H' / 'L'
3530         operands as 32-bits.
3532 2016-04-28  Jason Merrill  <jason@redhat.com>
3534         * gdbinit.in: Skip line-map.h.
3536 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
3537             Andrew Burgess  <andrew.burgess@embecosm.com>
3539         * config/arc/arc.c (arc_conditional_register_usage): Take
3540         TARGET_RRQ_CLASS into account.
3541         (arc_print_operand): Support printing 'p' and 's' operands.
3542         * config/arc/arc.h (TARGET_NPS_BITOPS_DEFAULT): Provide default
3543         as 0.
3544         (TARGET_RRQ_CLASS): Define.
3545         (IS_POWEROF2_OR_0_P): Define.
3546         * config/arc/arc.md (*movsi_insn): Add w/Clo, w/Chi, and w/Cbi
3547         alternatives.
3548         (*tst_movb): New define_insn.
3549         (*tst): Avoid recognition if it could prevent '*tst_movb'
3550         combination; replace c/CnL with c/Chs alternative.
3551         (*tst_bitfield_tst): New define_insn.
3552         (*tst_bitfield_asr): New define_insn.
3553         (*tst_bitfield): New define_insn.
3554         (andsi3_i): Add Rrq variant.
3555         (extzv): New define_expand.
3556         (insv): New define_expand.
3557         (*insv_i): New define_insn.
3558         (*movb): New define_insn.
3559         (*movb_signed): New define_insn.
3560         (*movb_high): New define_insn.
3561         (*movb_high_signed): New define_insn.
3562         (*movb_high_signed + 1): New define_split pattern.
3563         (*mrgb): New define_insn.
3564         (*mrgb + 1): New define_peephole2 pattern.
3565         (*mrgb + 2): New define_peephole2 pattern.
3566         * config/arc/arc.opt (mbitops): New option for nps400, uses
3567         TARGET_NPS_BITOPS_DEFAULT.
3568         * config/arc/constraints.md (q): Make register class conditional.
3569         (Rrq): New register constraint.
3570         (Chs): New constraint.
3571         (Clo): New constraint.
3572         (Chi): New constraint.
3573         (Cbf): New constraint.
3574         (Cbn): New constraint.
3575         (C18): New constraint.
3576         (Cbi): New constraint.
3578 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
3580         * cfganal.c (bitmap_intersection_of_succs): Delete assert checking
3581         dst->popcount.
3582         (bitmap_intersection_of_preds): Ditto.
3583         (bitmap_union_of_succs): Ditto.
3584         (bitmap_union_of_preds): Ditto.
3585         * sbitmap.c (do_popcount): Delete.
3586         (BITMAP_DEBUGGING): Delete.
3587         (sbitmap_verify_popcount): Delete.
3588         (sbitmap_alloc): Don't initialize the popcount field.
3589         (sbitmap_alloc_with_popcount): Delete.
3590         (sbitmap_resize): Don't resize the popcount array.
3591         (sbitmap_vector_alloc): Don't initialize the popcount field.
3592         (bitmap_copy): Don't copy the popcount array.
3593         (bitmap_clear): Don't clear the popcount array.
3594         (bitmap_clear): Delete the popcount array handling.
3595         (bitmap_ior_and_compl): Delete the popcount assert.
3596         (bitmap_not): Ditto.
3597         (bitmap_and_compl): Ditto.
3598         (bitmap_and): Delete the popcount array handling.
3599         (bitmap_xor): Ditto.
3600         (bitmap_ior): Ditto.
3601         (bitmap_or_and): Delete the popcount assert.
3602         (bitmap_and_or): Ditto.
3603         (popcount_table): Delete.
3604         (sbitmap_elt_popcount): Delete.
3605         * sbitmap.h (simple_bitmap_def): Delete the popcount field.
3606         (bitmap_set_bit): Delete the popcount assert.
3607         (bitmap_clear_bit): Ditto.
3608         (sbitmap_free): Don't free the popcount array.
3609         (sbitmap_alloc_with_popcount): Delete declaration.
3610         (sbitmap_popcount): Ditto.
3612 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
3613             Andrew Burgess  <andrew.burgess@embecosm.com>
3615         * config/arc/arc.h (SYMBOL_FLAG_CMEM): Define.
3616         (TARGET_NPS_CMEM_DEFAULT): Provide default definition.
3617         * config/arc/arc.c (arc_address_cost): Return 0 for cmem_address.
3618         (arc_encode_section_info): Set SYMBOL_FLAG_CMEM where indicated.
3619         * config/arc/arc.opt (mcmem): New option.
3620         * config/arc/arc.md (*extendqihi2_i): Add r/Uex alternative,
3621         supply length for r/m alternative.
3622         (*extendqisi2_ac): Likewise.
3623         (*extendhisi2_i): Add r/Uex alternative, supply length for r/m and
3624         r/Uex alternative.
3625         (movqi_insn): Add r/Ucm and Ucm/?Rac alternatives.
3626         (movhi_insn): Likewise.
3627         (movsi_insn): Add r/Ucm,Ucm/w alternatives.
3628         (*zero_extendqihi2_i): Add r/Ucm alternative.
3629         (*zero_extendqisi2_ac): Likewise.
3630         (*zero_extendhisi2_i): Likewise.
3631         * config/arc/constraints.md (Uex): New memory constraint.
3632         (Ucm): New define_constraint.
3633         * config/arc/predicates.md (long_immediate_loadstore_operand):
3634         Return 0 for MEM with cmem_address address.
3635         (cmem_address_0): New predicates.
3636         (cmem_address_1): Likewise.
3637         (cmem_address_2): Likewise.
3638         (cmem_address): Likewise.
3640 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
3642         * config/rs6000/rs6000.c (machine_function): Rename
3643         insn_chain_scanned_p to spe_insn_chain_scanned_p.
3644         (rs6000_stack_info): Adjust.
3646 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
3647             Andrew Burgess  <andrew.burgess@embecosm.com>
3649         * config/arc/constraints.md (Usd): Convert to define_constraint.
3650         (Us<): Likewise.
3651         (Us>): Likewise.
3653 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
3655         PR target/70821
3656         * config/i386/sync.md (define_peephole2 *atomic_fetch_add_cmp<mode>):
3657         Add new peephole2 where the first insn is *mov<mode>_or instead of
3658         *mov<mode>_internal.
3660 2016-04-28  Segher Boesssenkool  <segher@kernel.crashing.org>
3662         * tracer.c (bb_seen): Make static.
3664 2016-04-28  Andrew Burgess  <andrew.burgess@embecosm.com>
3666         * common/config/arc/arc-common.c (arc_handle_option): Add NPS400
3667         support, setup defaults.
3668         * config/arc/arc-opts.h (enum processor_type): Add NPS400.
3669         * config/arc/arc.c (arc_init): Add NPS400 support.
3670         * config/arc/arc.h (CPP_SPEC): Add NPS400 defines.
3671         (TARGET_ARC700): NPS400 is also an ARC700.
3672         * config/arc/arc.opt: Add NPS400 options to -mcpu=.
3674 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
3676         PR target/70668
3677         * config/nds32/nds32.md (casesi): Don't access the operands array
3678         out of bounds.
3680 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
3682         * config/i386/i386.md (zeroing peephole2): Use general_reg_operand.
3683         (or $-1,reg peephole2): Ditto.
3684         (strict_low_part zeroing peephole2): Use SWI12 mode iterator.
3686 2016-04-28  Markus Trippelsdorf  <markus@trippelsdorf.de>
3688         * doc/extend.texi (Common Function Attributes) [optimize]:
3689         Discourage use of the optimize attribute.
3691 2016-04-28  Bill Seurer  <seurer@linux.vnet.ibm.com>
3693         * config/rs6000/rs6000-builtin.def (vec_adde): Change vec_adde to a
3694         special case builtin.
3695         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Remove
3696         ALTIVEC_BUILTIN_VEC_ADDE.
3697         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
3698         support for ALTIVEC_BUILTIN_VEC_ADDE.
3699         * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
3700         for __builtin_vec_adde.
3702 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
3704         * config/i386/i386.md (sse4_1_round<mode>2): Add avx512f alternative.
3705         * config/i386/sse.md (sse4_1_round<ssescalarmodesuffix>): Likewise.
3707 2016-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3709         PR testsuite/70595
3710         * doc/sourcebuild.texi (Effective-Target Keywords, Other
3711         attributes): Document cilkplus_runtime.
3713 2016-04-28  Martin Jambor  <mjambor@suse.cz>
3715         * tree-cfg.c (verify_expr): Verify that local declarations belong to
3716         this function.  Call verify_expr on MEM_REFs and bases of other
3717         handled_components.
3719 2016-04-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3721         * internal-fn.c (expand_arith_overflow): Convert preprocessor check
3722         for WORD_REGISTER_OPERATIONS to runtime check.
3724 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
3726         * config/arc/arc.h (ASM_SPEC): Pass mfpuda to assembler.
3728 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
3730         * config/arc/arc.c (arc_process_double_reg_moves): Fix for
3731         big-endian compilation.
3732         * config/arc/arc.md (addf3): Likewise.
3733         (subdf3): Likewise.
3734         (muldf3): Likewise.
3736 2016-04-28  Richard Biener  <rguenther@suse.de>
3738         PR tree-optimization/70840
3739         * match.pd: powi(-x, y) and powi(|x|,y) -> powi(x,y) if y is even;
3740         Fix pow(copysign(x, y), z) -> pow(x, z) and add powi variant;
3741         Mark x * pow(x,c) -> pow(x,c+1) commutative.
3742         Add powi(x,y) * powi(z,y) -> powi(x*z,y).
3744 2015-04-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3746         * config/aarch64/aarch64.h (WORD_REGISTER_OPERATIONS): Define to 0
3747         and explain why in a comment.
3749 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
3751         * config/arc/arc.md (cpu_facility): Add fpx variant.
3752         (subdf3): Prohibit use reverse sub when assist operations option
3753         is enabled.
3754         * config/arc/fpx.md (subdf3_insn, *dsubh_peep2_insn): Allow drsub
3755         instructions only when FPX is enabled.
3756         * testsuite/gcc.target/arc/trsub.c: New test.
3758 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
3760         * config/i386/i386.md (*fop_<mode>_1_mixed): Do not check for
3761         mult_operator when calculating "type" attribute.
3762         (*fop_<mode>_1_i387): Ditto.
3763         (*fop_xf_1_i387): Ditto.
3764         (x87 stack loads peephole2): Add "reg = op (mem, reg)" peephole2.
3765         Use std::swap to swap operands.  Use RTL expressions to generate
3766         converted pattern.
3768 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
3769             Joern Rennecke  <joern.rennecke@embecosm.com>
3771         * config/arc/arc-protos.h (arc_legitimize_pic_address): Remove
3772         declaration.
3773         (emit_pic_move): Remove.
3774         (arc_eh_uses, insn_is_tls_gd_dispatch): Declare.
3775         * config/arc/arc.c (emit_pic_move): Removed.
3776         (TARGET_HAVE_TLS): Define.
3777         (arc_conditional_register_usage): Test for arc_tp_regno.
3778         (arc_print_operand, arc_print_operand_address): Handle TLS
3779         unspecs.
3780         (arc_needs_pcl_p): New function.
3781         (arc_legitimate_pc_offset_p): Use arc_needs_pcl_p.
3782         (arc_legitimate_pic_addr_p): Handle TLS unspecs.
3783         (arc_raw_symbolic_reference_mentioned_p): Likewise.
3784         (arc_get_tp, arc_emit_call_tls_get_addr): New function.
3785         (arc_legitimize_tls_address): Likewise.
3786         (DTPOFF_ZERO_SYM): Define.
3787         (arc_legitimize_pic_address): Make it static, handle TLS cases.
3788         (arc_output_pic_addr_const): Print TLS unspecs.
3789         (prepare_pic_move): New function, replaces emit_pic_move.
3790         (arc_legitimate_constant_p): Handle TLS unspecs.
3791         (arc_legitimate_address_p): Likewise.
3792         (arc_rewrite_small_data_p): Use assert for TLS constants.
3793         (prepare_move_operands): Use prepare_pic_move.
3794         (arc_legitimize_address): Legitimize tls addresses.
3795         (arc_epilogue_uses): Check for arc_tp_regno.
3796         (arc_eh_uses, insn_is_tls_gd_dispatch): New function.
3797         * config/arc/arc.h [DEFAULT_LIBC != LIBC_UCLIBC] (EXTRA_SPECS):
3798         Define.
3799         [DEFAULT_LIBC != LIBC_UCLIBC] (ARC_TLS_EXTRA_START_SPEC):
3800         Likewise.
3801         [DEFAULT_LIBC != LIBC_UCLIBC] (STARTFILE_SPEC): Add
3802         %(arc_tls_extra_start_spec).
3803         (TARGET_CPU_CPP_BUILTINS): Define __ARC_TLS_REGNO__.
3804         (REGNO_OK_FOR_BASE_P): Check for arc_tp_regno.
3805         (EH_USES): Define.
3806         (INSN_REFERENCES_ARE_DELAYED): Use insn_is_tls_gd_dispatch.
3807         * config/arc/arc.md (UNSPEC_TLS_GD, UNSPEC_TLS_LD, UNSPEC_TLS_IE)
3808         (UNSPEC_TLS_OFF): Add.
3809         (R10_REG): Define.
3810         (tls_load_tp_soft, tls_gd_load, tls_gd_get_addr, tls_gd_dispatch)
3811         (get_thread_pointersi): New patterns.
3812         * config/arc/arc.opt (mtp-regno): New option.
3813         * config/arc/predicates.md (move_src_operand): Handle TLS symbols.
3814         (move_dest_operand): Likewise.
3815         * configure: Regenerate.
3816         * configure.ac: Add arc*-*-* case to test for tls.
3817         * doc/invoke.texi (ARC options): Document mtp-regno.
3819 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
3821         * config/arc/arc.c (arc_vector_mode_supported_p): Add support for
3822         the new ARC HS SIMD instructions.
3823         (arc_preferred_simd_mode): New function.
3824         (arc_autovectorize_vector_sizes): Likewise.
3825         (TARGET_VECTORIZE_PREFERRED_SIMD_MODE)
3826         (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Define.
3827         (arc_init_reg_tables): Accept new ARC HS SIMD modes.
3828         (arc_init_builtins): Add new SIMD builtin types.
3829         (arc_split_move): Handle 64 bit vector moves.
3830         * config/arc/arc.h (TARGET_PLUS_DMPY, TARGET_PLUS_MACD)
3831         (TARGET_PLUS_QMACW): Define.
3832         * config/arc/builtins.def (QMACH, QMACHU, QMPYH, QMPYHU, DMACH)
3833         (DMACHU, DMPYH, DMPYHU, DMACWH, DMACWHU, VMAC2H, VMAC2HU, VMPY2H)
3834         (VMPY2HU, VADDSUB2H, VSUBADD2H, VADDSUB, VSUBADD, VADDSUB4H)
3835         (VSUBADD4H): New builtins.
3836         * config/arc/simdext.md: Add new ARC HS SIMD instructions.
3837         * testsuite/gcc.target/arc/builtin_simdarc.c: New file.
3839 2016-04-28  Eduard Sanou  <dhole@openmailbox.org>
3840             Matthias Klose  <doko@debian.org>
3842         * doc/cppenv.texi: Document SOURCE_DATE_EPOCH environment variable.
3844 2016-04-28  Richard Biener  <rguenther@suse.de>
3846         PR middle-end/70777
3847         * fold-const.c (fold_binary_loc): Remove x*x to pow(x,2.0)
3848         canonicalization.
3850 2016-04-28  Oleg Endo  <olegendo@gcc.gnu.org>
3852         * common/config/sh/sh-common.c: Remove SH5 support.
3853         * config/sh/constraints.md: Likewise.
3854         * config/sh/config/sh/elf.h: Likewise.
3855         * config/sh/linux.h: Likewise.
3856         * config/sh/netbsd-elf.h: Likewise.
3857         * config/sh/predicates.md: Likewise.
3858         * config/sh/sh-c.c: Likewise.
3859         * config/sh/sh-protos.h: Likewise.
3860         * config/sh/sh.c: Likewise.
3861         * config/sh/sh.h: Likewise.
3862         * config/sh/sh.md: Likewise.
3863         * config/sh/sh.opt: Likewise.
3864         * config/sh/sync.md: Likewise.
3865         * config/sh/sh64.h: Delete.
3866         * config/sh/shmedia.h: Likewise.
3867         * config/sh/shmedia.md: Likewise.
3868         * config/sh/sshmedia.h: Likewise.
3869         * config/sh/t-netbsd-sh5-64: Likewise.
3870         * config/sh/t-sh64: Likewise.
3871         * config/sh/ushmedia.h: Likewise.
3873 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
3875         * config/i386/i386.md (sign_extend to memory peephole2s): Use
3876         general_reg_operand instead of register_operand predicate.
3878 2016-04-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
3880         * params.def (MIN_PARTITION_SIZE): Set default value to 10000.
3882 2016-04-27  Marc Glisse  <marc.glisse@inria.fr>
3884         * match.pd (A - B > A, A + B < A): New transformations.
3886 2016-04-27  Patrick Palka  <ppalka@gcc.gnu.org>
3888         * genattrtab.c (write_test_expr): New parameter EMIT_PARENS
3889         which defaults to true.  Emit an outer pair of parentheses only if
3890         EMIT_PARENS.  When continuing a chain of && or || (or & or |),
3891         don't emit parentheses for the right-hand operand.
3893 2016-04-27  Jeff Law  <law@redhat.com>
3895         * tree-ssa-dom.c (record_temporary_equivalences): Fix typo in comment.
3897 2016-04-27  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3899         * config/rs6000/altivec.md (altivec_lvx_<mode>): Remove.
3900         (altivec_lvx_<mode>_internal): Document.
3901         (altivec_lvx_<mode>_2op): New define_insn.
3902         (altivec_lvx_<mode>_1op): Likewise.
3903         (altivec_lvx_<mode>_2op_si): Likewise.
3904         (altivec_lvx_<mode>_1op_si): Likewise.
3905         (altivec_stvx_<mode>): Remove.
3906         (altivec_stvx_<mode>_internal): Document.
3907         (altivec_stvx_<mode>_2op): New define_insn.
3908         (altivec_stvx_<mode>_1op): Likewise.
3909         (altivec_stvx_<mode>_2op_si): Likewise.
3910         (altivec_stvx_<mode>_1op_si): Likewise.
3911         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
3912         Expand vec_ld and vec_st during parsing.
3913         * config/rs6000/rs6000.c (altivec_expand_lvx_be): Commentary
3914         changes.
3915         (altivec_expand_stvx_be): Likewise.
3916         (altivec_expand_lv_builtin): Expand lvx built-ins to expose the
3917         address-masking behavior in RTL.
3918         (altivec_expand_stv_builtin): Expand stvx built-ins to expose the
3919         address-masking behavior in RTL.
3920         (altivec_expand_builtin): Change builtin code arguments for calls
3921         to altivec_expand_stv_builtin and altivec_expand_lv_builtin.
3922         (insn_is_swappable_p): Avoid incorrect swap optimization in the
3923         presence of lvx/stvx patterns.
3924         (alignment_with_canonical_addr): New function.
3925         (alignment_mask): Likewise.
3926         (find_alignment_op): Likewise.
3927         (recombine_lvx_pattern): Likewise.
3928         (recombine_stvx_pattern): Likewise.
3929         (recombine_lvx_stvx_patterns): Likewise.
3930         (rs6000_analyze_swaps): Perform a pre-pass to recognize lvx and
3931         stvx patterns from expand.
3932         * config/rs6000/vector.md (vector_altivec_load_<mode>): Use new
3933         expansions.
3934         (vector_altivec_store_<mode>): Likewise.
3936 2016-04-26  Evandro Menezes  <e.menezes@samsung.com>
3938         * config/aarch64/aarch64.md
3939         (*movhf_aarch64): Add "movi %0, #0" to zero up register and
3940         remove the "fp" attributes.
3941         (*movsf_aarch64): Add "movi %0, #0" to zero up register and
3942         add the "simd" attributes.
3943         (*movdf_aarch64): Likewise.
3944         (*movtf_aarch64): Remove the "fp" attributes.
3945         * testsuite/gcc.target/aarch64/fmovf-zero-reg.c: Update accordingly.
3946         * testsuite/gcc.target/aarch64/fmovd-zero-reg.c: Likewise.
3948 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
3950         * emit-rtl.c (maybe_set_first_label_num): Strengthen param from
3951         rtx to rtx_code_label *.
3952         * rtl.h (maybe_set_first_label_num): Likewise.
3954 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
3956         * df-core.c (df_add_problem): Make the problem param be const.
3957         (df_remove_problem): Make local "problem" be const.
3958         * df-problems.c (problem_RD): Make const.
3959         (problem_LR): Likewise.
3960         (problem_LIVE): Likewise.
3961         (problem_MIR): Likewise.
3962         (problem_CHAIN): Likewise.
3963         (problem_WORD_LR): Likewise.
3964         (problem_NOTE): Likewise.
3965         (problem_MD): Likewise.
3966         * df-scan.c (problem_SCAN): Likewise.
3967         * df.h (struct df_problem): Make field "dependent_problem" be
3968         const.
3969         (struct dataflow): Likewise for field "problem".
3970         (df_add_problem): Make param const.
3972 2016-04-27  Uros Bizjak  <ubizjak@gmail.com>
3974         * config/i386/i386.c (ix86_spill_class): Enable for TARGET_SSE2 when
3975         inter-unit moves to/from vector registers are enabled.  Do not disable
3976         for TARGET_MMX.
3978 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
3980         * df.h (DF_SCAN, DF_LR, DF_LIVE, DF_RD, DF_CHAIN, DF_WORD_LR,
3981         DF_NOTE, DF_MD, DF_MIR, DF_LAST_PROBLEM_PLUS1): Convert from
3982         #define to...
3983         (enum df_problem_id): ...this new enum.
3984         (struct df_problem): Convert field "id" from "int" to
3985         enum df_problem_id.
3987 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
3989         * rtl.def: Update comment for "things in the instruction chain" to
3990         reflect the removal of the leading "i" field for INSN_UID in
3991         r210360.  Fix bogus apostrophe.
3993 2016-04-27  Uros Bizjak  <ubizjak@gmail.com>
3995         * config/i386/i386.md
3996         (lea arith with mem operand + setcc peephole2): Set operator mode.
3998 2016-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4000         PR target/70155
4001         * config/i386/i386.c (scalar_to_vector_candidate_p): Renamed to ...
4002         (dimode_scalar_to_vector_candidate_p): This.
4003         (timode_scalar_to_vector_candidate_p): New function.
4004         (scalar_to_vector_candidate_p): Likewise.
4005         (timode_check_non_convertible_regs): Likewise.
4006         (timode_remove_non_convertible_regs): Likewise.
4007         (remove_non_convertible_regs): Likewise.
4008         (remove_non_convertible_regs): Renamed to ...
4009         (dimode_remove_non_convertible_regs): This.
4010         (scalar_chain::~scalar_chain): Make it virtual.
4011         (scalar_chain::compute_convert_gain): Make it pure virtual.
4012         (scalar_chain::mark_dual_mode_def): Likewise.
4013         (scalar_chain::convert_insn): Likewise.
4014         (scalar_chain::convert_registers): Likewise.
4015         (scalar_chain::add_to_queue): Make it protected.
4016         (scalar_chain::emit_conversion_insns): Likewise.
4017         (scalar_chain::replace_with_subreg): Likewise.
4018         (scalar_chain::replace_with_subreg_in_insn): Likewise.
4019         (scalar_chain::convert_op): Likewise.
4020         (scalar_chain::convert_reg): Likewise.
4021         (scalar_chain::make_vector_copies): Likewise.
4022         (scalar_chain::convert_registers): New pure virtual function.
4023         (class dimode_scalar_chain): New class.
4024         (class timode_scalar_chain): Likewise.
4025         (scalar_chain::mark_dual_mode_def): Renamed to ...
4026         (dimode_scalar_chain::mark_dual_mode_def): This.
4027         (timode_scalar_chain::mark_dual_mode_def): New function.
4028         (timode_scalar_chain::convert_insn): Likewise.
4029         (dimode_scalar_chain::convert_registers): Likewise.
4030         (scalar_chain::compute_convert_gain): Renamed to ...
4031         (dimode_scalar_chain::compute_convert_gain): This.
4032         (scalar_chain::replace_with_subreg): Renamed to ...
4033         (dimode_scalar_chain::replace_with_subreg): This.
4034         (scalar_chain::replace_with_subreg_in_insn): Renamed to ...
4035         (dimode_scalar_chain::replace_with_subreg_in_insn): This.
4036         (scalar_chain::make_vector_copies): Renamed to ...
4037         (dimode_scalar_chain::make_vector_copies): This.
4038         (scalar_chain::convert_reg): Renamed to ...
4039         (dimode_scalar_chain::convert_reg ): This.
4040         (scalar_chain::convert_op): Renamed to ...
4041         (dimode_scalar_chain::convert_op): This.
4042         (scalar_chain::convert_insn): Renamed to ...
4043         (dimode_scalar_chain::convert_insn): This.
4044         (scalar_chain::convert): Call convert_registers.
4045         (convert_scalars_to_vector): Change to scalar_chain pointer to
4046         use timode_scalar_chain in 64-bit mode and dimode_scalar_chain
4047         in 32-bit mode.  Delete scalar_chain pointer.  Call
4048         free_dominance_info in 64-bit mode.
4049         (pass_stv::gate): Remove TARGET_64BIT check.
4050         (ix86_option_override): Put the 64-bit STV pass before the CSE
4051         pass.
4053 2016-04-27  Pierre-Marie de Rodat  <derodat@adacore.com>
4055         * dwarf2out.h (struct dw_loc_descr_node): Remove the
4056         dw_loc_frame_offset field.
4057         * dwarf2out.c (new_loc_descr): Likewise.
4058         (resolve_args_picking_1): Turn the VISITED hash set into a
4059         FRAME_OFFSET hash map. Use it to associate a frame offset to
4060         visited nodes. Remove uses of the CHECKING_P macro.
4061         (resolve_args_picking): Update call to resolve_args_picking_1.
4063 2016-04-27  Martin Liska  <mliska@suse.cz>
4065         * tree-ssa-loop-ivopts.c (iv_ca_dump): Fix level of indentation.
4066         (free_loop_data): Release vuses of groups.
4068 2016-04-27  Bin Cheng  <bin.cheng@arm.com>
4070         * tree-ssa-loop-ivopts.c (struct iv): Use pointer to struct iv_use
4071         instead of redundant use_id and boolean have_use_for.
4072         (struct iv_use): Change sub_id into group_id.  Remove field next.
4073         Move fields: related_cands, n_map_members, cost_map and selected
4074         to ...
4075         (struct iv_group): ... here.  New structure.
4076         (struct iv_common_cand): Use structure declaration directly.
4077         (struct ivopts_data, iv_ca, iv_ca_delta): Rename fields.
4078         (MAX_CONSIDERED_USES): Rename macro to ...
4079         (MAX_CONSIDERED_GROUPS): ... here.
4080         (n_iv_uses, iv_use, n_iv_cands, iv_cand): Delete.
4081         (dump_iv, dump_use, dump_cand): Refactor format of dump information.
4082         (dump_uses): Rename to ...
4083         (dump_groups): ... here.  Update all uses.
4084         (tree_ssa_iv_optimize_init, alloc_iv): Update all uses.
4085         (find_induction_variables): Refactor format of dump information.
4086         (record_sub_use): Delete.
4087         (record_use): Update all uses.
4088         (record_group): New function.
4089         (record_group_use, find_interesting_uses_op): Call above functions.
4090         Update all uses.
4091         (find_interesting_uses_cond): Ditto.
4092         (group_compare_offset): New function.
4093         (split_all_small_groups): Rename to ...
4094         (split_small_address_groups_p): ... here.  Update all uses.
4095         (split_address_groups):  Update all uses.
4096         (find_interesting_uses): Refactor format of dump information.
4097         (add_candidate_1): Update all uses.  Remove redundant check on iv,
4098         base and step.
4099         (add_candidate, record_common_cand): Remove redundant assert.
4100         (add_iv_candidate_for_biv): Update use.
4101         (add_iv_candidate_derived_from_uses): Update all uses.
4102         (add_iv_candidate_for_groups, record_important_candidates): Ditto.
4103         (alloc_use_cost_map): Ditto.
4104         (set_use_iv_cost, get_use_iv_cost): Rename to ...
4105         (set_group_iv_cost, get_group_iv_cost): ... here.  Update all uses.
4106         (determine_use_iv_cost_generic): Ditto.
4107         (determine_group_iv_cost_generic): Ditto.
4108         (determine_use_iv_cost_address): Ditto.
4109         (determine_group_iv_cost_address): Ditto.
4110         (determine_use_iv_cost_condition): Ditto.
4111         (determine_group_iv_cost_cond): Ditto.
4112         (determine_use_iv_cost): Ditto.
4113         (determine_group_iv_cost): Ditto.
4114         (set_autoinc_for_original_candidates): Update all uses.
4115         (find_iv_candidates): Update all uses.  Refactor dump information.
4116         (determine_use_iv_costs): Ditto.
4117         (determine_iv_costs): Ditto.
4118         (iv_ca_cand_for_use): Rename to ...
4119         (iv_ca_cand_for_group): ... here.  Update all uses.
4120         (iv_ca_add_use, iv_ca_add_group): Ditto.
4121         (iv_ca_set_cp, iv_ca_cost, iv_ca_delta_add): Update all uses.
4122         (iv_ca_delta_join, iv_ca_delta_reverse, iv_ca_delta_free): Ditto.
4123         (iv_ca_new, iv_ca_dump, iv_ca_extend, iv_ca_narrow): Ditto.
4124         (iv_ca_prune, cheaper_cost_with_cand, iv_ca_replace): Ditto.
4125         (try_add_cand_for, try_improve_iv_set, find_optimal_iv_set): Ditto.
4126         (create_new_iv, adjust_iv_update_pos): Ditto.
4127         (rewrite_use_address): Delete.
4128         (rewrite_use_address_1): Rename to ...
4129         (rewrite_use_address): ... here.
4130         (rewrite_use_compare): Update all uses.
4131         (rewrite_use): Delete.
4132         (rewrite_uses): Rename to ...
4133         (rewrite_groups): ... here.  Update all uses.
4134         (remove_unused_ivs, free_loop_data): Update all uses.
4135         (tree_ssa_iv_optimize_finalize, tree_ssa_iv_optimize_loop): Ditto.
4137 2016-04-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4139         * rtlanal.c (nonzero_bits1): Convert preprocessor check
4140         for WORD_REGISTER_OPERATIONS to runtime check.
4142 2016-04-27  Richard Biener  <rguenther@suse.de>
4144         PR ipa/70760
4145         * tree-ssa-structalias.c (find_func_aliases_for_call): Use
4146         aggregate_value_p to determine if a function result is
4147         returned by reference.
4148         (ipa_pta_execute): Functions having their address taken are
4149         not automatically nonlocal.
4151 2016-04-27  Jakub Jelinek  <jakub@redhat.com>
4153         PR sanitizer/70683
4154         * tree-core.h (enum operand_equal_flag): Add OEP_NO_HASH_CHECK.
4155         * fold-const.c (operand_equal_p): If flag_checking and
4156         OEP_NO_HASH_CHECK is not set in flag, recurse with OEP_NO_HASH_CHECK
4157         and if it returns non-zero, assert iterative_hash_expr on both
4158         args is the same.
4160 2016-04-27  Bernd Schmidt  <bschmidt@redhat.com>
4162         * doc/invoke.texi (-frename-registers): Also enabled at -Os.
4164 2016-04-27  Nick Clifton  <nickc@redhat.com>
4166         PR middle-end/49889
4167         * varasm.c (merge_weak): Generate an error if an attempt is made
4168         to convert a non-weak static function into a weak, public function.
4170 2016-04-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
4172         * params.def (MAX_PARTITION_SIZE): New param.
4173         * doc/invoke.texi: Document lto-max-partition.
4175 2016-04-27  Richard Biener  <rguenther@suse.de>
4177         PR ipa/70785
4178         * tree-ssa-structalias.c (refered_from_nonlocal_fn): New
4179         function cummulating used_from_other_partition, externally_visible
4180         and force_output from aliases.
4181         (refered_from_nonlocal_var): Likewise.
4182         (ipa_pta_execute): Use call_for_symbol_and_aliases to cummulate
4183         node flags properly.
4185 2016-04-27  Bernd Schmidt  <bschmidt@redhat.com>
4187         * doc/invoke.texi (Warning Options): Add -Wmemset-elt-size.
4188         (-Wmemset-elt-size): New item.
4190 2016-04-27  Eric Botcazou  <ebotcazou@adacore.com>
4192         PR ada/70759
4193         * stor-layout.h (internal_reference_types): Delete.
4194         * stor-layout.c (reference_types_internal): Likewise.
4195         (internal_reference_types): Likewise.
4196         (layout_type) <REFERENCE_TYPE>: Adjust.
4198 2016-04-27  Jakub Jelinek  <jakub@redhat.com>
4200         PR sanitizer/70683
4201         * tree.h (inchash::add_expr): Add FLAGS argument.
4202         * tree.c (inchash::add_expr): Likewise.  If not OEP_ADDRESS_OF,
4203         use STRIP_NOPS first.  For INTEGER_CST assert not OEP_ADDRESS_OF.
4204         For REAL_CST and !HONOR_SIGNED_ZEROS (t) hash +/- 0 the same.
4205         Formatting fix.  Adjust recursive calls.  For tcc_comparison,
4206         if swap_tree_comparison (code) is smaller than code, hash that
4207         and arguments in the other order.  Hash CONVERT_EXPR the same
4208         as NOP_EXPR.  For OEP_ADDRESS_OF hash MEM_REF with 0 offset
4209         of ADDR_EXPR of decl as the decl itself.  Add or remove
4210         OEP_ADDRESS_OF from recursive flags as needed.  For
4211         FMA_EXPR, WIDEN_MULT_{PLUS,MINUS}_EXPR hash the first two
4212         operands commutatively and only the third one normally.
4213         For internal CALL_EXPR hash in CALL_EXPR_IFN.
4215 2016-04-27  Sebastian Huber  <sebastian.huber@embedded-brains.de>
4217         * config/rtems.h (LIB_SPEC): Add -latomic.
4219 2016-04-27  Joel Sherrill  <joel@rtems.org>
4221         * config/microblaze/rtems.h: Redefine LINK_SPEC to avoid
4222         xilink.ld and flags not relevant to RTEMS.
4224 2016-04-26  Zhouyi Zhou  <yizhouzhou@ict.ac.cn>
4226         * toplev.c (backend_init_target): Avoid calling init_reload when using
4227         LRA.
4229 2016-04-26  Jakub Jelinek  <jakub@redhat.com>
4231         * reorg.c (try_merge_delay_insns): Declare i and j inside the
4232         for loops rather than one for the whole function.
4234 2016-04-26  Marc Glisse  <marc.glisse@inria.fr>
4236         * match.pd (X + CST CMP X): New transformation.
4238 2016-04-26  Marc Glisse  <marc.glisse@inria.fr>
4240         * genmatch.c (write_predicate): Add ATTRIBUTE_UNUSED.
4241         * fold-const.c (fold_binary_loc): Remove 2 transformations
4242         superseded by match.pd.
4243         * match.pd (x+x -> x*2): Generalize to integers.
4245 2016-04-26  Bernd Schmidt  <bschmidt@redhat.com>
4247         * config/i386/i386.md (operation on memory peephole): Duplicate an
4248         existing peephole and adapt it to match lea rather than an operation
4249         that clobbers CC.
4251         PR rtl-optimization/57193
4252         * opts.c (default_options_table): Add OPT_frename_registers at -O2
4253         and above.
4254         * doc/invoke.texi (-frename-registers, -O2): Update documentation.
4256 2016-04-26  Bin Cheng  <bin.cheng@arm.com>
4258         * tree-if-conv.c (any_pred_load_store): New static variable.
4259         (if_convertible_gimple_assign_stmt_p): Remove parameter.  Use
4260         any_pred_load_store instead of and_mask_load_store.
4261         (if_convertible_stmt_p, if_convertible_loop_p_1): Ditto.
4262         (if_convertible_loop_p, insert_gimplified_predicates): Ditto.
4263         (combine_blocks, tree_if_conversion): Ditto.
4265 2016-04-26  Bin Cheng  <bin.cheng@arm.com>
4267         PR tree-optimization/70771
4268         PR tree-optimization/70775
4269         * tree-if-conv.c (if_convertible_phi_p): Remove check on special
4270         virtual PHI nodes.  Delete parameter.
4271         (if_convertible_loop_p_1): Delete argument to above function.
4272         (predicate_all_scalar_phis): Delete code handling single-argument
4273         PHIs.
4274         (tree_if_conversion): Mark and update virtual SSA.
4276 2016-04-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4278         PR target/61821
4279         * config/i386/i386.c (LARGECOMM_SECTION_ASM_OP): Define default.
4280         (x86_elf_aligned_common): Rename to ...
4281         (x86_elf_aligned_decl_common): ... this.
4282         Add decl arg.  Switch to .lbss for largecomm object.  Use
4283         LARGECOMM_SECTION_ASM_OP.
4284         * config/i386/i386-protos.h (x86_elf_aligned_common): Reflect
4285         renaming.
4286         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_COMMON): Rename to ...
4287         (ASM_OUTPUT_ALIGNED_DECL_COMMON): ... this.
4288         Pass new decl arg.
4289         * config/i386/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
4290         [!USE_GAS] (LARGECOMM_SECTION_ASM_OP): Define.
4292 2016-04-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4294         PR target/59407
4295         * config/i386/i386.c (SECTION_LARGE): Define.
4296         (x86_64_elf_select_section): Set it for large data/bss sections.
4297         Only clear SECTION_WRITE for .lrodata.
4298         (x86_64_elf_section_type_flags): Set SECTION_LARGE for large
4299         data/bss sections.
4300         * config/i386/sol2.h (MACH_DEP_SECTION_ASM_FLAG): Define.
4301         * varasm.c (default_elf_asm_named_section): Grow flagchars.
4302         [MACH_DEP_SECTION_ASM_FLAG] Emit MACH_DEP_SECTION_ASM_FLAG for
4303         SECTION_MACH_DEP.
4304         * doc/tm.texi.in (Sections, MACH_DEP_SECTION_ASM_FLAG): Describe.
4305         * doc/tm.texi: Regenerate.
4307 2016-04-26  Jakub Jelinek  <jakub@redhat.com>
4309         PR bootstrap/70704
4310         * configure.ac (--enable-checking): Document extra flag, for
4311         non-release builds default to --enable-checking=yes,extra.
4312         If misc checking and extra checking, define CHECKING_P to 2 instead
4313         of 1.
4314         * common.opt (fchecking=): Add.
4315         * doc/invoke.texi (-fchecking=): Document.
4316         * doc/install.texi: Document --enable-checking changes.
4317         * configure: Regenerated.
4318         * config.in: Regenerated.
4320 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
4322         * config/i386/i386.md (*movxi_internal_avx512f): Use insn type
4323         attribute instead of which_alternative.
4324         * config/i386/sse.md (*mov<mode>_internal): Ditto.
4325         Use EXT_REX_SSE_REG_P where appropriate.
4327 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
4329         * config/i386/predicates.md (const0_operand): Do not match
4330         const_wide_int code.
4331         (const1_operand): Ditto.
4333 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
4335         * config/i386/i386.md (*movoi_internal_avx): Set mode attribute to XI
4336         for SSE constm1 operands and TARGET_AVX512VL.
4337         (*movti_internal): Ditto.
4338         (*mov<mode>_or): Use constm1_operand predicate.
4339         * config/i386/sse.md (*mov<mode>_internal): Set mode attribute to XI
4340         for SSE vector_all_ones operands and TARGET_AVX512VL.
4341         * config/i386/predicates.md (constm1_operand): New predicate.
4342         * config/i386/i386.c (standard_sse_constant_opcode): Simplify
4343         emission of constant -1 load.
4345 2016-04-25  Jason Merrill  <jason@redhat.com>
4347         * gdbinit.in: Skip is-a.h.
4349         * attribs.c (register_scoped_attributes): Fix logic.
4350         * attribs.h: Declare register_scoped_attributes.
4352 2016-04-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4354         * config/rs6000/rs6000-builtin.def: Correct pasto error for
4355         stxvd2x and stxvw4x built-in functions.
4357 2016-04-25  DJ Delorie  <dj@redhat.com>
4359         * config/msp430/msp430.md (ashlhi3): Optimize one bit shifts.
4360         (ashrhi3): Likewise.
4361         (lshrhi3): Likewise.
4363 2016-04-25  Richard Biener  <rguenther@suse.de>
4365         PR tree-optimization/70780
4366         * tree-ssa-pre.c (compute_antic_aux): Also return true if the block
4367         wasn't visited yet.
4368         (compute_antic): Mark blocks with abnormal preds as visited as
4369         they have a final empty antic-in solution already.
4371 2016-04-25  Michael Collison  <michael.collison@linaro.org>
4373         * ChangeLog(2016-04-25): Fix ChangeLog formatting.
4375 2016-04-25  Michael Collison  <michael.collison@linaro.org>
4377         * config/arm/neon.md (widen_<us>sum<mode>): New patterns where
4378         mode is VQI to improve mixed mode vectorization.
4379         * config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3): New
4380         define_insn to match low half of signed vaddw.
4381         * config/arm/neon.md (vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): New
4382         define_insn to match high half of signed vaddw.
4383         * config/arm/neon.md (vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): New
4384         define_insn to match low half of unsigned vaddw.
4385         * config/arm/neon.md (vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): New
4386         define_insn to match high half of unsigned vaddw.
4387         * config/arm/arm.c (arm_simd_vect_par_cnst_half): New function.
4388         (arm_simd_check_vect_par_cnst_half_p): Likewise.
4389         * config/arm/arm-protos.h (arm_simd_vect_par_cnst_half): Prototype
4390         for new function.
4391         (arm_simd_check_vect_par_cnst_half_p): Likewise.
4392         * config/arm/predicates.md (vect_par_constant_high): Support
4393         big endian and simplify by calling
4394         arm_simd_check_vect_par_cnst_half
4395         (vect_par_constant_low): Likewise.
4397 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
4399         * config/i386/i386.md (*lea<mode>_general_4): Use const_0_to_3_operand
4400         predicate for operand 2.
4402 2016-04-24  Uros Bizjak  <ubizjak@gmail.com>
4403             H.J. Lu  <hongjiu.lu@intel.com>
4405         * config/i386/i386-protos.h (standard_sse_constant_p): Add
4406         machine_mode argument.
4407         * config/i386/i386.c (standard_sse_constant_p): Return 2 for
4408         constm1_rtx operands.  For VOIDmode constants, get mode from
4409         pred_mode.  Check mode size if the mode is supported by ABI.
4410         (standard_sse_constant_opcode): Do not use standard_constant_p.
4411         Strictly check ABI support for all-ones operands.
4412         (ix86_legitimate_constant_p): Handle TImode, OImode and XImode
4413         immediates. Update calls to standard_sse_constant_p.
4414         (ix86_expand_vector_move): Update calls to standard_sse_constant_p.
4415         (ix86_rtx_costs): Ditto.
4416         * config/i386/i386.md (*movxi_internal_avx512f): Use
4417         nonimmediate_or_sse_const_operand instead of vector_move_operand.
4418         Use (v,BC) alternative instead of (v,C). Use register_operand
4419         checks instead of MEM_P.
4420         (*movoi_internal_avx): Use nonimmediate_or_sse_const_operand instead
4421         of vector_move_operand.  Add (v,BC) alternative and corresponding avx2
4422         isa attribute.  Use register_operand checks instead of MEM_P.
4423         (*movti_internal): Use nonimmediate_or_sse_const_operand for
4424         TARGET_SSE.  Improve TARGET_SSE insn constraint.  Add (v,BC)
4425         alternative and corresponding sse2 isa attribute.
4426         (*movtf_internal, *movdf_internal, *movsf_interal): Update calls
4427         to standard_sse_constant_p.
4428         (FP constant splitters): Ditto.
4429         * config/i386/constraints.md (BC): Do not use standard_sse_constant_p.
4430         (C): Ditto.
4431         * config/i386/predicates.md (constm1_operand): Remove.
4432         (nonimmediate_or_sse_const_operand): Rewrite using RTX.
4433         * config/i386/sse.md (*<avx512>_cvtmask2<ssemodesuffix><mode>): Use
4434         vector_all_ones_operand instead of constm1_operand.
4436 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
4438         * print-rtl.c (print_rtx_insn_vec): New function.
4439         * print-rtl.h: New prototype.
4440         * store-motion.c (struct st_expr): Make avail_stores a vector.
4441         (st_expr_entry): Adjust.
4442         (free_st_expr_entry): Likewise.
4443         (print_store_motion_mems): Likewise.
4444         (find_moveable_store): Likewise.
4445         (compute_store_table): Likewise.
4446         (delete_store): Likewise.
4447         (build_store_vectors): Likewise.
4449 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
4451         * reorg.c (try_merge_delay_insns): Make merged_insns a vector.
4453 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
4455         * vec.h (vec_safe_contains): New function.
4456         (vec::contains): Likewise.
4457         (vec::begin): Likewise.
4458         (vec::end): Likewise.
4460 2016-04-23  Jakub Jelinek  <jakub@redhat.com>
4462         PR sanitizer/70712
4463         * cfgexpand.c (expand_stack_vars): Fix typo.
4465 2016-04-22  Szabolcs Nagy  <szabolcs.nagy@arm.com>
4467         * system.h (list, map, set, vector): Include conditionally.
4468         * auto-profile.c (INCLUDE_MAP, INCLUDE_SET): Define.
4469         * graphite-isl-ast-to-gimple.c (INCLUDE_MAP): Define.
4470         * ipa-icf.c (INCLUDE_LIST): Define.
4471         * config/aarch64/cortex-a57-fma-steering.c (INCLUDE_LIST): Define.
4472         * config/sh/sh.c (INCLUDE_VECTOR): Define.
4473         * config/sh/sh_treg_combine.cc (INCLUDE_ALGORITHM): Define.
4474         (INCLUDE_LIST, INCLUDE_VECTOR): Define.
4475         * cp/logic.cc (INCLUDE_LIST): Define.
4476         * fortran/trans-common.c (INCLUDE_MAP): Define.
4478 2016-04-22  Szabolcs Nagy  <szabolcs.nagy@arm.com>
4480         * auto-profile.c: Remove <string.h> include.
4481         * ipa-icf-gimple.c: Remove <list> include.
4482         * diagnostic.c: Remove <new> include.
4483         * genmatch.c: Likewise.
4484         * pretty-print.c: Likewise.
4485         * toplev.c: Likewise
4486         * c/c-objc-common.c: Likewise.
4487         * cp/error.c: Likewise.
4488         * fortran/error.c: Likewise.
4490 2016-04-22  Richard Biener  <rguenther@suse.de>
4492         * lto-streamer-in.c (input_ssa_names): Do not allocate
4493         GIMPLE_NOP for all SSA names.
4494         * lto-streamer-out.c (output_ssa_names): Do not output
4495         SSA names that should have been released.
4497 2016-04-22  Richard Biener  <rguenther@suse.de>
4499         PR tree-optimization/70740
4500         * tree-ssa-phiprop.c (propagate_with_phi): Handle inserted
4501         VDEF.
4503 2016-04-21  H.J. Lu  <hongjiu.lu@intel.com>
4505         PR target/70750
4506         * config/i386/predicates.md (call_insn_operand): Replace
4507         sibcall_memory_operand with memory_operand.
4509 2016-04-21  Patrick Palka  <ppalka@gcc.gnu.org>
4511         * tree-vrp.c (register_edge_assert_for_2): Remove redundant
4512         has_single_use() tests.
4513         (register_edge_assert_for_1): Likewise.
4514         (find_assert_locations_1): Check the liveness bitmap instead of
4515         checking has_single_use().
4517 2016-04-21  Kirill Yukhin  <kirill.yukhin@intel.com>
4519         PR target/70728
4520         * gcc/config/i386/sse.md (define_insn "<shift_insn><mode>3<mask_name>"):
4521         Extract AVX-512BW constraint from AVX.
4523 2016-04-21  Richard Biener  <rguenther@suse.de>
4525         PR tree-optimization/70725
4526         * tree-if-conv.c (if_convertible_phi_p): Adjust guard
4527         for phi_convertible_by_degenerating_args.
4528         (predicate_all_scalar_phis): Handle single-argument PHIs.
4530 2016-04-21  Richard Biener  <rguenther@suse.de>
4532         PR middle-end/70747
4533         * fold-const.c (fold_comparison): Return properly typed
4534         constant boolean.
4536 2016-04-21  Bin Cheng  <bin.cheng@arm.com>
4538         PR tree-optimization/70715
4539         * tree-ssa-loop-niter.c (loop_exits_before_overflow): Check equality
4540         after expanding BASE using expand_simple_operations.
4542 2016-04-21  Marc Glisse  <marc.glisse@inria.fr>
4544         * match.pd (min(-x, -y), max(-x, -y), min(~x, ~y), max(~x, ~y)):
4545         New transformations.
4547 2016-04-21  Marc Glisse  <marc.glisse@inria.fr>
4549         * match.pd (min(int_max, x), max(int_min, x)): New transformations.
4551 2016-04-20  Jan Hubicka  <jh@suse.cz>
4553         * ipa-inline.c (can_inline_edge_p): Pass caller info to
4554         ultiimate_alias_target.
4555         (update_callee_keys): Likewise.
4556         (lookup_recursive_calls): Likewise.
4557         (speculation_useful_p): Likewise.
4559 2016-04-20  Jan Hubicka  <jh@suse.cz>
4561         PR ipa/70018
4562         * cgraph.c (cgraph_set_nothrow_flag_1): Rename to ...
4563         (set_nothrow_flag_1): ... this; handle interposition correctly;
4564         recurse on aliases and thunks.
4565         (cgraph_node::set_nothrow_flag): New.
4566         * ipa-pure-const.c (ignore_edge_for_nothrow): Ignore calls to
4567         functions compiled with non-call exceptions that binds to current
4568         def.
4569         (propagate_nothrow): Be safe WRT interposition.
4570         * cgraph.h (set_nothrow_flag): Update prototype.
4572 2016-04-18  Jan Hubicka  <jh@suse.cz>
4574         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
4575         max_loop_iterations_int.
4576         (tree_unswitch_outer_loop): Likewise.
4578 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
4580         PR tree-optimization/69489
4581         * tree-if-conv.c (phi_convertible_by_degenerating_args): New.
4582         (if_convertible_phi_p): Call phi_convertible_by_degenerating_args.
4583         Revise dump message.
4584         (if_convertible_bb_p): Remove check on edge count of basic block's
4585         predecessors.
4587 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
4589         PR tree-optimization/56625
4590         PR tree-optimization/69489
4591         * tree-data-ref.h (DR_INNERMOST): New macro.
4592         * tree-if-conv.c (innermost_loop_behavior_hash): New class for
4593         hashing struct innermost_loop_behavior.
4594         (ref_DR_map): Remove.
4595         (innermost_DR_map): New map.
4596         (baseref_DR_map): Revise comment.
4597         (hash_memrefs_baserefs_and_store_DRs_read_written_info): Store DR
4598         to innermost_DR_map accroding to its innermost loop behavior.
4599         (ifcvt_memrefs_wont_trap): Get DR from innermost_DR_map according
4600         to its innermost loop behavior.
4601         (if_convertible_loop_p_1): Remove intialization for ref_DR_map.
4602         Add initialization for innermost_DR_map.  Record memory reference
4603         in DR_BASE_ADDRESS if the reference is compound one or it doesn't
4604         have innermost loop behavior.
4605         (if_convertible_loop_p): Remove release for ref_DR_map.  Release
4606         innermost_DR_map.
4608 2016-04-20  Uros Bizjak  <ubizjak@gmail.com>
4610         * config/i386/i386.md (*lea<mode>_general_1): Rename from
4611         *lea_general_1.  Use explicit SWI12 mode interator.
4612         (*lea<mode>_general_2): Rename from *lea_general_2.
4613         Use explicit SWI12 mode interator.
4614         (*lea<mode>_general_3): Rename from *lea_general_3.
4615         Use explicit SWI12 mode interator.
4616         (*lea<SWI12:mode>_general_4): Split from *lea_general_4.
4617         Use explicit SWI12 mode interator.
4618         (*lea<SWI48:mode>_general_4): Split from *lea_general_4.
4619         Use explicit SWI48 mode interator.
4621 2016-04-20  H.J. Lu  <hongjiu.lu@intel.com>
4623         * config/i386/i386.c (ix86_avx256_split_vector_move_misalign):
4624         Short-cut unaligned load and store cases.  Handle all integer
4625         vector modes.
4626         (ix86_expand_vector_move_misalign): Short-cut unaligned load
4627         and store cases.  Call ix86_avx256_split_vector_move_misalign
4628         directly without checking mode class.
4630 2016-04-20  Andrew Pinski  <apinski@cavium.com>
4631             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4633         PR target/64971
4634         * config/aarch64/aarch64.md (sibcall): Force call
4635         address to be DImode for ILP32.
4636         (sibcall_value): Likewise.
4638 2016-04-20  H.J. Lu  <hongjiu.lu@intel.com>
4640         * doc/invoke.texi: Replace -skip-rax-setup with -mskip-rax-setup.
4642 2016-04-20  Richard Biener  <rguenther@suse.de>
4644         * gimple-match.h (maybe_build_generic_op): Adjust prototype.
4645         * gimple-match-head.c (maybe_build_generic_op): Pass all ops
4646         by reference, clear op1 and op2 when GENERICizing BIT_FIELD_REF.
4647         (maybe_push_res_to_seq): Adjust.
4648         * gimple-fold.c (maybe_build_generic_op): Likewise.
4650 2016-04-20  Marek Polacek  <polacek@redhat.com>
4652         * tree-if-conv.c (is_false_predicate): For NULL_TREE return false
4653         rather than true.
4655 2016-04-20  Ilya Enkovich  <ilya.enkovich@intel.com>
4657         * config/i386/sse.md (vec_unpacks_lo_hi): Always
4658         use kmovw to support AVX512F target.
4660 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
4662         * tree-scalar-evolution.c (interpret_rhs_expr): Handle BIT_AND_EXPR.
4664 2016-04-20  Marek Polacek  <polacek@redhat.com>
4666         PR tree-optimization/70725
4667         * tree-if-conv.c (is_false_predicate): New function.
4668         (predicate_mem_writes): Use it.
4670 2016-04-20  Richard Biener  <rguenther@suse.de>
4672         PR tree-optimization/70726
4673         * tree-vect-stmts.c (vectorizable_shift): Do not use scalar
4674         shift amounts from a pattern stmt operand.
4676 2016-04-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4678         PR target/70674
4679         * config/s390/s390.c (s390_restore_gprs_from_fprs): Pick the new
4680         stack_restore_from_fpr pattern when restoring r15.
4681         (s390_optimize_prologue): Strip away the memory barrier in the
4682         parallel when trying to get rid of restore insns.
4683         * config/s390/s390.md ("stack_restore_from_fpr"): New insn
4684         definition for loading the stack pointer from an FPR.  Compared to
4685         the normal move insn this pattern includes a full memory barrier.
4687 2016-04-19  Jakub Jelinek  <jakub@redhat.com>
4689         PR middle-end/70680
4690         * gimplify.c (gimplify_omp_for): Call omp_notice_variable for
4691         implicitly linear or lastprivate iterator on the outer context.
4693 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
4695         * config/i386/i386.c (ix86_legitimate_combined_insn): Remove
4696         alignment check.
4697         * config/i386/i386.md (ssememalign): Removed.
4698         * config/i386/sse.md: Remove ssememalign attribute from patterns.
4700 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
4702         PR target/69201
4703         * config/i386/avx512bwintrin.h (_mm512_mask_loadu_epi16): Pass
4704         const short * to __builtin_ia32_loaddquhi512_mask.
4705         (_mm512_maskz_loadu_epi16): Likewise.
4706         (_mm512_mask_storeu_epi16): Pass short * to
4707         __builtin_ia32_storedquhi512_mask.
4708         (_mm512_mask_loadu_epi8): Pass const char * to
4709         __builtin_ia32_loaddquqi512_mask.
4710         (_mm512_maskz_loadu_epi8): Likewise.
4711         (_mm512_mask_storeu_epi8): Pass char * to
4712         __builtin_ia32_storedquqi512_mask.
4713         * config/i386/avx512fintrin.h (_mm512_loadu_pd): Pass
4714         const double * to __builtin_ia32_loadupd512_mask.
4715         (_mm512_mask_loadu_pd): Likewise.
4716         (_mm512_maskz_loadu_pd): Likewise.
4717         (_mm512_storeu_pd): Pass double * to
4718         __builtin_ia32_storeupd512_mask.
4719         (_mm512_mask_storeu_pd): Likewise.
4720         (_mm512_loadu_ps): Pass const float * to
4721         __builtin_ia32_loadups512_mask.
4722         (_mm512_mask_loadu_ps): Likewise.
4723         (_mm512_maskz_loadu_ps): Likewise.
4724         (_mm512_storeu_ps): Pass float * to
4725         __builtin_ia32_storeups512_mask.
4726         (_mm512_mask_storeu_ps): Likewise.
4727         (_mm512_mask_loadu_epi64): Pass const long long * to
4728         __builtin_ia32_loaddqudi512_mask.
4729         (_mm512_maskz_loadu_epi64): Likewise.
4730         (_mm512_mask_storeu_epi64): Pass long long *
4731         to __builtin_ia32_storedqudi512_mask.
4732         (_mm512_loadu_si512): Pass const int * to
4733         __builtin_ia32_loaddqusi512_mask.
4734         (_mm512_mask_loadu_epi32): Likewise.
4735         (_mm512_maskz_loadu_epi32): Likewise.
4736         (_mm512_storeu_si512): Pass int * to
4737         __builtin_ia32_storedqusi512_mask.
4738         (_mm512_mask_storeu_epi32): Likewise.
4739         * config/i386/avx512vlbwintrin.h (_mm256_mask_storeu_epi8): Pass
4740         char * to __builtin_ia32_storedquqi256_mask.
4741         (_mm_mask_storeu_epi8): Likewise.
4742         (_mm256_mask_loadu_epi16): Pass const short * to
4743         __builtin_ia32_loaddquhi256_mask.
4744         (_mm256_maskz_loadu_epi16): Likewise.
4745         (_mm_mask_loadu_epi16): Pass const short * to
4746         __builtin_ia32_loaddquhi128_mask.
4747         (_mm_maskz_loadu_epi16): Likewise.
4748         (_mm256_mask_loadu_epi8): Pass const char * to
4749         __builtin_ia32_loaddquqi256_mask.
4750         (_mm256_maskz_loadu_epi8): Likewise.
4751         (_mm_mask_loadu_epi8): Pass const char * to
4752         __builtin_ia32_loaddquqi128_mask.
4753         (_mm_maskz_loadu_epi8): Likewise.
4754         (_mm256_mask_storeu_epi16): Pass short * to.
4755         __builtin_ia32_storedquhi256_mask.
4756         (_mm_mask_storeu_epi16): Pass short * to.
4757         __builtin_ia32_storedquhi128_mask.
4758         * config/i386/avx512vlintrin.h (_mm256_mask_loadu_pd): Pass
4759         const double * to __builtin_ia32_loadupd256_mask.
4760         (_mm256_maskz_loadu_pd): Likewise.
4761         (_mm_mask_loadu_pd): Pass onst double * to
4762         __builtin_ia32_loadupd128_mask.
4763         (_mm_maskz_loadu_pd): Likewise.
4764         (_mm256_mask_storeu_pd): Pass double * to
4765         __builtin_ia32_storeupd256_mask.
4766         (_mm_mask_storeu_pd): Pass double * to
4767         __builtin_ia32_storeupd128_mask.
4768         (_mm256_mask_loadu_ps): Pass const float * to
4769         __builtin_ia32_loadups256_mask.
4770         (_mm256_maskz_loadu_ps): Likewise.
4771         (_mm_mask_loadu_ps): Pass const float * to
4772         __builtin_ia32_loadups128_mask.
4773         (_mm_maskz_loadu_ps): Likewise.
4774         (_mm256_mask_storeu_ps): Pass float * to
4775         __builtin_ia32_storeups256_mask.
4776         (_mm_mask_storeu_ps): ass float * to
4777         __builtin_ia32_storeups128_mask.
4778         (_mm256_mask_loadu_epi64): Pass const long long * to
4779         __builtin_ia32_loaddqudi256_mask.
4780         (_mm256_maskz_loadu_epi64): Likewise.
4781         (_mm_mask_loadu_epi64): Pass const long long * to
4782         __builtin_ia32_loaddqudi128_mask.
4783         (_mm_maskz_loadu_epi64): Likewise.
4784         (_mm256_mask_storeu_epi64): Pass long long * to
4785         __builtin_ia32_storedqudi256_mask.
4786         (_mm_mask_storeu_epi64): Pass long long * to
4787         __builtin_ia32_storedqudi128_mask.
4788         (_mm256_mask_loadu_epi32): Pass const int * to
4789         __builtin_ia32_loaddqusi256_mask.
4790         (_mm256_maskz_loadu_epi32): Likewise.
4791         (_mm_mask_loadu_epi32): Pass const int * to
4792         __builtin_ia32_loaddqusi128_mask.
4793         (_mm_maskz_loadu_epi32): Likewise.
4794         (_mm256_mask_storeu_epi32): Pass int * to
4795         __builtin_ia32_storedqusi256_mask.
4796         (_mm_mask_storeu_epi32): Pass int * to
4797         __builtin_ia32_storedqusi128_mask.
4798         * config/i386/i386-builtin-types.def (PCSHORT): New.
4799         (PINT64): Likewise.
4800         (V64QI_FTYPE_PCCHAR_V64QI_UDI): Likewise.
4801         (V32HI_FTYPE_PCSHORT_V32HI_USI): Likewise.
4802         (V32QI_FTYPE_PCCHAR_V32QI_USI): Likewise.
4803         (V16SF_FTYPE_PCFLOAT_V16SF_UHI): Likewise.
4804         (V8DF_FTYPE_PCDOUBLE_V8DF_UQI): Likewise.
4805         (V16SI_FTYPE_PCINT_V16SI_UHI): Likewise.
4806         (V16HI_FTYPE_PCSHORT_V16HI_UHI): Likewise.
4807         (V16QI_FTYPE_PCCHAR_V16QI_UHI): Likewise.
4808         (V8SF_FTYPE_PCFLOAT_V8SF_UQI): Likewise.
4809         (V8DI_FTYPE_PCINT64_V8DI_UQI): Likewise.
4810         (V8SI_FTYPE_PCINT_V8SI_UQI): Likewise.
4811         (V8HI_FTYPE_PCSHORT_V8HI_UQI): Likewise.
4812         (V4DF_FTYPE_PCDOUBLE_V4DF_UQI): Likewise.
4813         (V4SF_FTYPE_PCFLOAT_V4SF_UQI): Likewise.
4814         (V4DI_FTYPE_PCINT64_V4DI_UQI): Likewise.
4815         (V4SI_FTYPE_PCINT_V4SI_UQI): Likewise.
4816         (V2DF_FTYPE_PCDOUBLE_V2DF_UQI): Likewise.
4817         (V2DI_FTYPE_PCINT64_V2DI_UQI): Likewise.
4818         (VOID_FTYPE_PDOUBLE_V8DF_UQI): Likewise.
4819         (VOID_FTYPE_PDOUBLE_V4DF_UQI): Likewise.
4820         (VOID_FTYPE_PDOUBLE_V2DF_UQI): Likewise.
4821         (VOID_FTYPE_PFLOAT_V16SF_UHI): Likewise.
4822         (VOID_FTYPE_PFLOAT_V8SF_UQI): Likewise.
4823         (VOID_FTYPE_PFLOAT_V4SF_UQI): Likewise.
4824         (VOID_FTYPE_PINT64_V8DI_UQI): Likewise.
4825         (VOID_FTYPE_PINT64_V4DI_UQI): Likewise.
4826         (VOID_FTYPE_PINT64_V2DI_UQI): Likewise.
4827         (VOID_FTYPE_PINT_V16SI_UHI): Likewise.
4828         (VOID_FTYPE_PINT_V8SI_UHI): Likewise.
4829         (VOID_FTYPE_PINT_V4SI_UHI): Likewise.
4830         (VOID_FTYPE_PSHORT_V32HI_USI): Likewise.
4831         (VOID_FTYPE_PSHORT_V16HI_UHI): Likewise.
4832         (VOID_FTYPE_PSHORT_V8HI_UQI): Likewise.
4833         (VOID_FTYPE_PCHAR_V64QI_UDI): Likewise.
4834         (VOID_FTYPE_PCHAR_V32QI_USI): Likewise.
4835         (VOID_FTYPE_PCHAR_V16QI_UHI): Likewise.
4836         (V64QI_FTYPE_PCV64QI_V64QI_UDI): Removed.
4837         (V32HI_FTYPE_PCV32HI_V32HI_USI): Likewise.
4838         (V32QI_FTYPE_PCV32QI_V32QI_USI): Likewise.
4839         (V16HI_FTYPE_PCV16HI_V16HI_UHI): Likewise.
4840         (V16QI_FTYPE_PCV16QI_V16QI_UHI): Likewise.
4841         (V8HI_FTYPE_PCV8HI_V8HI_UQI): Likewise.
4842         (VOID_FTYPE_PV32HI_V32HI_USI): Likewise.
4843         (VOID_FTYPE_PV16HI_V16HI_UHI): Likewise.
4844         (VOID_FTYPE_PV8HI_V8HI_UQI): Likewise.
4845         (VOID_FTYPE_PV64QI_V64QI_UDI): Likewise.
4846         (VOID_FTYPE_PV32QI_V32QI_USI): Likewise.
4847         (VOID_FTYPE_PV16QI_V16QI_UHI): Likewise.
4848         * config/i386/i386.c (ix86_emit_save_reg_using_mov): Don't
4849         use UNSPEC_STOREU.
4850         (ix86_emit_restore_sse_regs_using_mov): Don't use UNSPEC_LOADU.
4851         (ix86_avx256_split_vector_move_misalign): Don't use unaligned
4852         load nor store.
4853         (ix86_expand_vector_move_misalign): Likewise.
4854         (bdesc_special_args): Use CODE_FOR_movvNXY_internal and pointer
4855         to scalar function prototype for unaligned load/store builtins.
4856         (ix86_expand_special_args_builtin): Updated.
4857         * config/i386/sse.md (UNSPEC_LOADU): Removed.
4858         (UNSPEC_STOREU): Likewise.
4859         (VI_ULOADSTORE_BW_AVX512VL): Likewise.
4860         (VI_ULOADSTORE_F_AVX512VL): Likewise.
4861         (ssescalarsize): Handle V4TI, V2TI and V1TI.
4862         (<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
4863         (*<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
4864         (<sse>_storeu<ssemodesuffix><avxsizesuffix>): Likewise.
4865         (<avx512>_storeu<ssemodesuffix><avxsizesuffix>_mask): Likewise.
4866         (<sse2_avx_avx512f>_loaddqu<mode><mask_name>): Likewise.
4867         (*<sse2_avx_avx512f>_loaddqu<mode><mask_name>"): Likewise.
4868         (sse2_avx_avx512f>_storedqu<mode>): Likewise.
4869         (<avx512>_storedqu<mode>_mask): Likewise.
4870         (*sse4_2_pcmpestr_unaligned): Likewise.
4871         (*sse4_2_pcmpistr_unaligned): Likewise.
4872         (*mov<mode>_internal): Renamed to ...
4873         (mov<mode>_internal): This.  Remove check of AVX and IAMCU on
4874         misaligned operand.  Replace vmovdqu64 with vmovdqu<ssescalarsize>.
4875         (movsd/movhpd to movupd peephole): Don't use UNSPEC_LOADU.
4876         (movlpd/movhpd to movupd peephole): Don't use UNSPEC_STOREU.
4878 2016-04-19  Richard Biener  <rguenther@suse.de>
4880         PR tree-optimization/70171
4881         * tree-ssa-phiprop.c: Include stor-layout.h.
4882         (phiprop_insert_phi): Handle the aggregate copy case.
4883         (propagate_with_phi): Likewise.
4885 2016-04-19  Uros Bizjak  <ubizjak@gmail.com>
4887         * config/i386/i386.c (ix86_decompose_address): Use lowpart_subreg
4888         instead of simplify_gen_subreg (... , 0).
4889         (ix86_delegitimize_address): Ditto.
4890         (ix86_split_divmod): Ditto.
4891         (ix86_split_copysign_const): Ditto.
4892         (ix86_split_copysign_var): Ditto.
4893         (ix86_expand_args_builtin): Ditto.
4894         (ix86_expand_round_builtin): Ditto.
4895         (ix86_expand_special_args_builtin): Ditto.
4896         * config/i386/i386.md (TARGET_USE_VECTOR_FP_CONVERTS splitters): Ditto.
4897         (TARGET_SSE_PARTIAL_REG_DEPENDENCY splitters and peephole2s): Ditto.
4898         (udivmodqi4): Ditto.
4899         (absneg splitters): Ditto.
4900         (*jcc_bt<mode>_1): Ditto.
4902 2016-04-19  Richard Biener  <rguenther@suse.de>
4904         PR tree-optimization/70724
4905         * tree-ssa-sccvn.c (scc_vn_restore_ssa_info): Split SSA info
4906         restoring out from ...
4907         (free_scc_vn): ... here.
4908         * tree-ssa-sccvn.h (scc_vn_restore_ssa_info): Declare.
4909         * tres-ssa-pre.c (pass_pre::execute): Restore SSA info before
4910         tail merging.
4911         (pass_fre::execute): Restore SSA info.
4913 2016-04-19  Richard Biener  <rguenther@suse.de>
4915         * gimple-walk.h (struct walk_stmt_info): Add stmt member.
4916         * gimple-walk.c (walk_gimple_op): Initialize it.
4917         (walk_gimple_asm): Set wi->is_lhs before each callback invocation.
4918         * tree-inline.c (remap_gimple_op_r): Set SSA_NAME_DEF_STMT when
4919         remapping SSA names of defs.
4920         (copy_bb): Remove walk over all SSA defs and SSA_NAME_DEF_STMT
4921         adjustment.
4923 2016-04-18  Vladimir Makarov  <vmakarov@redhat.com>
4925         PR middle-end/70689
4926         * lra-constraints.c (equiv_substition_p): New.
4927         (process_alt_operands): Use it.
4928         (swap_operands): Swap it.
4929         (curr_insn_transform): Update it.
4931 2016-04-18  Michael Matz  <matz@suse.de>
4933         * tree.h (TYPE_ALIGN, DECL_ALIGN): Return shifted amount.
4934         (SET_TYPE_ALIGN, SET_DECL_ALIGN): New.
4935         * tree-core.h (tree_type_common.align): Use bit-field.
4936         (tree_type_common.spare): New.
4937         (tree_decl_common.off_align): Make smaller.
4938         (tree_decl_common.align): Use bit-field.
4940         * expr.c (expand_expr_addr_expr_1): Use SET_TYPE_ALIGN.
4941         * omp-low.c (install_var_field): Use SET_DECL_ALIGN.
4942         (scan_sharing_clauses): Ditto.
4943         (finish_taskreg_scan): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
4944         (omp_finish_file): Ditto.
4945         * stor-layout.c (do_type_align): Use SET_DECL_ALIGN.
4946         (layout_decl): Ditto.
4947         (relayout_decl): Ditto.
4948         (finalize_record_size): Use SET_TYPE_ALIGN.
4949         (finalize_type_size): Ditto.
4950         (finish_builtin_struct): Ditto.
4951         (layout_type): Ditto.
4952         (initialize_sizetypes): Ditto.
4953         * targhooks.c (std_gimplify_va_arg_expr): Use SET_TYPE_ALIGN.
4954         * tree-nested.c (insert_field_into_struct): Use SET_TYPE_ALIGN.
4955         (lookup_field_for_decl): Use SET_DECL_ALIGN.
4956         (get_chain_field): Ditto.
4957         (get_trampoline_type): Ditto.
4958         (get_nl_goto_field): Ditto.
4959         * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
4960         SET_DECL_ALIGN.
4961         (unpack_ts_type_common_value_fields): Use SET_TYPE_ALIGN.
4962         * gimple-expr.c (copy_var_decl): Use SET_DECL_ALIGN.
4963         * tree.c (make_node_stat): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
4964         (build_qualified_type): Use SET_TYPE_ALIGN.
4965         (build_aligned_type, build_range_type_1): Ditto.
4966         (build_atomic_base): Ditto.
4967         (build_common_tree_nodes): Ditto.
4968         * cfgexpand.c (align_local_variable): Use SET_DECL_ALIGN.
4969         (expand_one_stack_var_at): Ditto.
4970         * coverage.c (build_var): Use SET_DECL_ALIGN.
4971         * except.c (init_eh): Ditto.
4972         * function.c (assign_parm_setup_block): Ditto.
4973         * symtab.c (increase_alignment_1): Ditto.
4974         * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Ditto.
4975         * tree-vect-stmts.c (ensure_base_align): Ditto.
4976         * varasm.c (align_variable): Ditto.
4977         (assemble_variable): Ditto.
4978         (build_constant_desc): Ditto.
4979         (output_constant_def_contents): Ditto.
4981         * config/arm/arm.c (arm_relayout_function): Use SET_DECL_ALIGN.
4982         * config/avr/avr.c (avr_adjust_type_node): Use SET_TYPE_ALIGN.
4983         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): Ditto.
4984         * config/msp430/msp430.c (msp430_gimplify_va_arg_expr): Ditto.
4985         * config/spu/spu.c (spu_build_builtin_va_list): Use SET_DECL_ALIGN.
4987 2016-04-18  H.J. Lu  <hongjiu.lu@intel.com>
4989         PR target/70708
4990         * config/i386/sse.md (sse2_loadlpd): Accept load from "xm" and
4991         replace %vmovsd with "%vmovq".
4992         (vec_concatv2df): Likewise.
4994 2016-04-18  Uros Bizjak  <ubizjak@gmail.com>
4996         * config/i386/mmx.md (*vec_extractv2sf_0): Use gen_lowpart.
4997         (*vec_extractv2si_0): Ditto.
4998         * config/i386/sse.md (*vec_extractv4sf_0): Ditto.
4999         (zero_extended_scalar_load_operand splitters): Ditto.
5000         (vec_extract splitters): Ditto.
5001         (*vec_extractv4si_0_zext): Ditto.
5002         (avx_<castmode><avxsizesuffix>_<castmode>): Use gen_lowpart
5003         and lowpart_subreg.
5004         (avx512f_<castmode><avxsizesuffix>_<castmode>): Ditto.
5005         (avx512f_<castmode><avxsizesuffix>_256<castmode>): Ditto.
5006         (*sse4_1_extractps): Use lowpart_subreg.
5007         * config/i386/i386.md (x87 floatsplitter): Use gen_lowpart.
5009 2016-04-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5011         * doc/install.texi (Specific, i?86-*-solaris2.10): Update gas and
5012         gld requirements.
5013         (Specific, *-*-solaris2*): Update Solaris 11 bundled gcc versions.
5014         Mention Solaris 11 packaging changes.
5015         Update gas and gld requirements.
5016         Remove reference to pre-Solaris 10 bug.
5017         (Specific, sparc-sun-solaris2*): Remove reference to pre-Solaris 10
5018         systems and bugs.
5019         (Specific, sparc64-*-solaris2*): Remove reference to bootstrap
5020         with cc.
5022 2016-04-17  Jan Hubicka  <jh@suse.cz>
5024         * tree-ssa-loop-ivopts.c (avg_loop_niter): Use also
5025         max_loop_iterations_int.
5027 2016-04-18  Richard Biener  <rguenther@suse.de>
5029         PR tree-optimization/43434
5030         * tree-ssa-structalias.c (struct vls_data): New.
5031         (visit_loadstore): Handle all pointer-based accesses.
5032         (compute_dependence_clique): Compute a bitmap of restrict tags
5033         assigned bases and pass it to visit_loadstore.
5035 2016-04-18  Matthew Wahab  <matthew.wahab@arm.com>
5037         PR target/70711
5038         * config/arm/bpabi.h (BE8_LINK_SPEC): Add entries for armv8+crc,
5039         armv8.1-a and armv8.1-a+crc.
5041 2016-04-18  Richard Biener  <rguenther@suse.de>
5043         PR tree-optimization/70701
5044         * tree-ssa-sccvn.c (vn_reference_lookup_3): Resolve fully constant
5045         references after translating through a memcpy.
5047 2016-04-18  Richard Biener  <rguenther@suse.de>
5049         * tree-ssa-pre.c (postorder, postorder_num): Make locals ...
5050         (compute_antic): ... here.  For partial antic use regular
5051         postorder and scrap iteration.
5052         (compute_partial_antic_aux): Remove unused return value.
5053         (init_pre): Do not allocate postorder.
5054         (fini_pre): Do not free postorder.
5056 2016-04-18  Richard Biener  <rguenther@suse.de>
5058         PR middle-end/37870
5059         * expmed.c (extract_bit_field_1): Remove broken case
5060         using a wider MODE_INT mode.
5062 2016-04-18  Segher Boessenkool  <segher@kernel.crashing.org>
5064         * has-brig.c (lendian16): Don't try to use __builtin_bswap16
5065         unless compiling with at least GCC-4.8.
5067 2016-04-17  Jan Hubicka  <jh@suse.cz>
5069         PR bootstrap/70706
5070         * graphite.c (graphite_finalize): Update call to
5071         tree_estimate_probability.
5072         * predict.h (tree_estimate_probability): Update prototype.
5074 2016-04-17  Jan Hubicka  <jh@suse.cz>
5076         * predict.c (combine_predictions_for_bb): Add dry_run parmaeter.
5077         (tree_estimate_probability): Likewise.
5078         (pass_profile::execute): Update.
5079         (report_predictor_hitrates): New function.
5080         * profile.c (compute_branch_probabilities): Use it.
5081         * predict.h (report_predictor_hitrates): Declare.
5083 2016-04-17  Jan Hubicka  <jh@suse.cz>
5085         PR ipa/70018
5086         * cgraph.h (cgraph_node::set_const_flag,
5087         cgraph_node::set_pure_flag): Update prototype to return bool;
5088         update comment.
5089         * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases): Thunks
5090         of interposable symbol are interposable, too.
5091         (cgraph_set_const_flag_1): Rename to ...
5092         (set_const_flag_1): ... this one; change to self recursive function
5093         instead of call_for_symbol_thunks_and_aliases. Handle correctly
5094         clearnig the flag in all variants and also virtual thunks of const
5095         functions are pure; track if any change was done.
5096         (cgraph_node::set_const_flag): Update.
5097         (struct set_pure_flag_info): New struct.
5098         (cgraph_set_pure_flag_1): Rename to ...
5099         (set_pure_flag_1): ... this one; take set_pure_flag_info parameter
5100         rather than pointer encoded flags; track if any changes was done;
5101         handle correctly clearning flag and setting flag of aliases already
5102         declared const.
5103         (cgraph_node::set_pure_flag): Update.
5104         (cgraph_node::set_nothrow_flag): Handle correctly clearning the flag.
5106 2016-04-17  Tom de Vries  <tom@codesourcery.com>
5108         PR other/70433
5109         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Escape
5110         backslash in label.
5112 2016-04-17  Tom de Vries  <tom@codesourcery.com>
5114         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Classify chars
5115         '{}<> ' as escape-for-record.
5117 2016-04-17  Tom de Vries  <tom@codesourcery.com>
5119         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Simplify loop
5120         structure.
5122 2016-04-17  Tom de Vries  <tom@codesourcery.com>
5124         PR other/70185
5125         * tree-pass.h (class opt_pass): Remove graph_dump_initialized member.
5126         * dumpfile.h (struct dump_file_info): Add graph_dump_initialized field.
5127         * dumpfile.c (dump_files): Initialize graph_dump_initialized field.
5128         * passes.c (finish_optimization_passes): Only call
5129         finish_graph_dump_file if dfi->graph_dump_initialized.
5130         (execute_function_dump, pass_init_dump_file): Use
5131         dfi->graph_dump_initialized instead of pass->graph_dump_initialized.
5133 2016-04-17  Tom de Vries  <tom@codesourcery.com>
5135         PR tree-optimization/70256
5136         * tree-ssa-structalias.c (dump_varinfo, debug_varinfo, dump_varmap)
5137         (debug_varmap): New function.
5139 2016-04-17  Tom de Vries  <tom@codesourcery.com>
5141         PR other/70183
5142         * passes.c (pass_manager::register_pass): Propagate pflags.
5144 2016-04-17  Tom de Vries  <tom@codesourcery.com>
5146         PR other/68875
5147         * pass_manager.h (TERMINATE_PASS_LIST): Add pass argument.
5148         * passes.c (pass_manager::pass_manager): Declare and init p_start in
5149         INSERT_PASSES_AFTER.  Add pass parameter to TERMINATE_PASS_LIST, and
5150         check if it's equal to p_start.
5151         * passes.def: Add arguments to TERMINATE_PASS_LISTs.
5153 2016-04-15  Jan Hubicka  <jh@suse.cz>
5155         PR ipa/70018
5156         * cgraph.c (cgraph_set_const_flag_1): Only set as pure if
5157         function does not bind to current def.
5158         * ipa-pure-const.c (worse_state): Add FROM and TO parameters;
5159         handle conservatively calls to functions that does not need to bind
5160         to current def.
5161         (check_call): Update call of worse_state.
5162         (ignore_edge_for_nothrow): Update.
5163         (ignore_edge_for_pure_const): Likewise.
5164         (propagate_pure_const): Update calls to worse_state.
5165         (skip_function_for_local_pure_const): Reformat comments.
5167 2016-04-15  Jan Hubicka  <jh@suse.cz>
5169         PR ipa/70018
5170         * cgraph.c (cgraph_node::get_availability): Add REF parameter.
5171         (cgraph_node::function_symbol): Likewise.
5172         (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
5173         * cgraph.h (symtab_node::get_availabbility): Add REF parameter.
5174         (symtab_node::ultimate_alias_target): Add REF parameter.
5175         (symtab_node::binds_to_current_def_p): Declare.
5176         (symtab_node;:ultimate_alias_target_1): Add REF parameter.
5177         (cgraph_node::function_symbol): Likewise.
5178         (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
5179         (cgraph_node::get_availability): Likewise.
5180         (cgraph_edge::binds_to_current_def_p): New inline function.
5181         (varpool_node::get_availability): Add REF parameter.
5182         (varpool_node::ultimate_alias_target): Likewise.
5183         * symtab.c (symtab_node::ultimate_alias_target_1): Likewise.
5184         (symtab_node::binds_to_current_def_p): Likewise.
5185         * varpool.c (varpool_node::get_availability): Likewise.
5187 2016-04-15  Kirill Yukhin  <kirill.yukhin@intel.com>
5189         PR target/70662
5190         * config/i386/sse.md(define_insn "<avx512>_vec_dup<mode><mask_name>"):
5191         Fix mode size check.
5193 2016-04-15  Jakub Jelinek  <jakub@redhat.com>
5195         * BASE-VER: Set to 7.0.0.
5197 2016-04-15  Alexander Monakov  <amonakov@ispras.ru>
5199         * config/nvptx/nvptx.opt (moptimize): Add a period at end of help text.
5201 2016-04-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5203         * doc/invoke.texi (ARM Options): Add note on deprecation of pre-ARMv4T
5204         architecture revisions.
5206 2016-04-15  Bernd Schmidt  <bschmidt@redhat.com>
5208         * config/i386/i386-protos.h (ix86_using_red_zone): Declare.
5209         * config/i386/i386.c (ix86_using_red_zone): No longer static.
5210         * config/i386/i386.md (stack decrement to push peepholes): Guard
5211         with !x86_using_red_zone ().
5213 2016-04-15  Jakub Jelinek  <jakub@redhat.com>
5215         PR c++/70675
5216         * tree-pretty-print.c (do_niy): Add FLAGS argument, pass it down
5217         to dump_generic_node.
5218         (NIY): Pass also flags to do_niy.
5220 2016-04-15  Thomas Schwinge  <thomas@codesourcery.com>
5222         * omp-low.c (simd_clone_struct_alloc, simd_clone_struct_copy)
5223         (simd_clone_vector_of_formal_parm_types)
5224         (simd_clone_clauses_extract, simd_clone_compute_base_data_type)
5225         (simd_clone_mangle, simd_clone_create)
5226         (simd_clone_adjust_return_type, create_tmp_simd_array)
5227         (simd_clone_adjust_argument_types, simd_clone_init_simd_arrays)
5228         (struct modify_stmt_info, ipa_simd_modify_stmt_ops)
5229         (ipa_simd_modify_function_body, simd_clone_linear_addend)
5230         (simd_clone_adjust, expand_simd_clones, ipa_omp_simd_clone)
5231         (pass_data_omp_simd_clone, class pass_omp_simd_clone)
5232         (pass_omp_simd_clone::gate, make_pass_omp_simd_clone): Move into...
5233         * omp-simd-clone.c: ... this new file.
5234         (simd_clone_vector_of_formal_parm_types): Make it static.
5235         * Makefile.in (OBJS): Add omp-simd-clone.o.
5237 2016-04-15  Kirill Yukhin  <kirill.yukhin@intel.com>
5239         PR target/70662
5240         * config/i386/sse.md: Use proper memory operand modifiers.
5243 2016-04-15  Richard Biener  <rguenther@suse.de>
5244         Alan Modra  <amodra@gmail.com>
5246         PR tree-optimization/70130
5247         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Detect
5248         when alignment stays not the same and no not use the realign
5249         scheme then.
5251 2016-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
5253         PR target/70669
5254         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
5255         direct move handlers for KFmode. Change TFmode handlers test from
5256         FLOAT128_IEEE_P to FLOAT128_VECTOR_P.
5258 2016-04-14  Jakub Jelinek  <jakub@redhat.com>
5260         PR c++/70594
5261         * ipa-utils.h (polymorphic_ctor_dtor_p): New prototype.
5262         * ipa-polymorphic-call.c (polymorphic_ctor_dtor_p): New function.
5263         (inlined_polymorphic_ctor_dtor_block_p): Use it.
5264         * tree-ssa-live.c (remove_unused_scope_block_p): When
5265         in_ctor_dtor_block, avoid discarding not just BLOCKs with
5266         BLOCK_ABSTRACT_ORIGIN being FUNCTION_DECL, but even when
5267         block_ultimate_origin is FUNCTION_DECL.
5268         (remove_unused_locals): If current_function_decl is
5269         polymorphic_ctor_dtor_p, pass initial true to
5270         remove_unused_scope_block_p' is_ctor_dtor_block.
5272 2016-04-14  Martin Sebor  <msebor@redhat.com>
5274         PR c++/69517
5275         PR c++/70019
5276         PR c++/70588
5277         * doc/extend.texi (Variable Length): Revert.
5279 2016-04-14  Marek Polacek  <polacek@redhat.com>
5280             Jan Hubicka  <hubicka@ucw.cz>
5282         PR c++/70029
5283         * tree.c (verify_type): Disable the canonical type of main variant
5284         check.
5286 2016-04-14  Jason Merrill  <jason@redhat.com>
5288         * cfgexpand.c, expr.c: Revert previous change.
5290 2016-04-14  Cesar Philippidis  <cesar@codesourcery.com>
5292         PR middle-end/70643
5293         * omp-low.c (lower_oacc_reductions): Check for TREE_CONSTANT
5294         when building a mem ref for the incoming reduction variable.
5296 2016-04-14  Richard Biener  <rguenther@suse.de>
5298         PR tree-optimization/70614
5299         * tree-scalar-evolution.c (analyze_evolution_in_loop): Terminate
5300         loop if the evolution dropped to chrec_dont_know.
5301         (interpret_condition_phi): Likewise.
5303 2016-04-14  Richard Biener  <rguenther@suse.de>
5305         PR tree-optimization/70623
5306         * tree-ssa-pre.c (changed_blocks): Make global ...
5307         (compute_antic): ... local here.  Move and fix worklist
5308         handling here.  Do not clear EDGE_DFS_BACK or call mark_dfs_back_edges.
5309         (compute_antic_aux): Add dumping for MAX assumed succs.  Remove
5310         worklist handling, dump when ANTIC_IN changed.
5311         (compute_partial_antic_aux): Remove worklist handling.
5312         (init_pre): Do not compute post dominators.  Add a comment about
5313         the CFG order chosen.
5314         (fini_pre): Do not free post dominators.
5316 2016-04-13  Martin Sebor  <msebor@redhat.com>
5318         PR c++/69517
5319         PR c++/70019
5320         PR c++/70588
5321         * doc/extend.texi (Variable Length): Document C++ specifics.
5323 2016-04-13  Jakub Jelinek  <jakub@redhat.com>
5325         PR c++/70641
5326         * ipa-pure-const.c (pass_nothrow::execute): Call maybe_clean_eh_stmt
5327         on all recursive call stmts.  Return TODO_cleanup_cfg if any dead
5328         eh edges have been purged.
5330         PR c++/70594
5331         * tree-sra.c (create_access_replacement,
5332         get_replaced_param_substitute): Set DECL_NAMELESS on repl if it
5333         gets fancy name.
5334         * tree-pretty-print.c (dump_fancy_name): New function.
5335         (dump_decl_name, dump_generic_node): Use it.
5337 2016-04-13  Jason Merrill  <jason@redhat.com>
5339         * cfgexpand.c (pass_expand::execute): Handle attribute "abi warning".
5340         * expr.c (expand_expr_real_1): Likewise.
5342 2016-04-13  Ilya Enkovich  <ilya.enkovich@intel.com>
5344         * config/i386/i386.md (kunpckhi): Swap operands.
5345         (kunpcksi): Likewise.
5346         (kunpckdi): Likewise.
5347         * config/i386/sse.md (vec_pack_trunc_qi): Likewise.
5348         (vec_pack_trunc_<mode>): Likewise.
5350 2016-04-13  Jakub Jelinek  <jakub@redhat.com>
5352         PR debug/70628
5353         * explow.c (convert_memory_address_addr_space_1): Formatting fix.
5355         PR middle-end/70633
5356         * gimplify.c (gimplify_init_constructor): Clear TREE_STATIC if
5357         gimplification turns some element into non-constant.
5359         PR debug/70628
5360         * rtl.h (convert_memory_address_addr_space_1): New prototype.
5361         * explow.c (convert_memory_address_addr_space_1): No longer static,
5362         add NO_EMIT argument and don't call convert_modes if true, pass
5363         it down recursively, remove break after return.
5364         (convert_memory_address_addr_space): Adjust caller.
5365         * simplify-rtx.c (simplify_unary_operation_1): Call
5366         convert_memory_address_addr_space_1 instead of convert_memory_address,
5367         if it returns NULL, don't simplify.
5369 2016-04-12  Eric Botcazou  <ebotcazou@adacore.com>
5371         PR target/70630
5372         * config/sparc/sparc.c (sparc_compute_frame_size): Add parentheses.
5374 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
5376         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
5377         Bump the upper SIMDLEN limits, so that if the return type or
5378         characteristic type if the return type is void can be passed in
5379         all available SSE2/AVX/AVX2/AVX512-F registers, the SIMDLEN is
5380         allowed.
5382 2016-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
5384         PR target/70640
5385         * config/rs6000/rs6000.md (ieee_128bit_vsx_neg<mode>2_internal):
5386         Do not use "=" constraint on an input constraint.
5387         (ieee_128bit_vsx_abs<mode>2_internal): Likewise.
5388         (ieee_128bit_vsx_nabs<mode>2_internal): Likewise.
5389         (ieee_128bit_vsx_nabs<mode>2): Correct splitter so that it
5390         generates (neg (abs ...)) instead of (abs ...).
5392 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
5394         PR rtl-optimization/70596
5395         * lra-spills.c (spill_pseudos): Don't delete debug insns, instead
5396         just invalidate LRA data and reset them.  Adjust dump wording.
5398 2016-04-12  Martin Liska  <mliska@suse.cz>
5400         Revert
5401         2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
5403         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
5404         estimates here.
5405         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
5406         max_loop_iterations_int.
5407         (tree_unswitch_outer_loop): Likewise.
5408         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
5409         * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
5411 2016-04-12  Tom de Vries  <tom@codesourcery.com>
5413         PR tree-optimization/68756
5414         * graphite-isl-ast-to-gimple.c (copy_cond_phi_args): Use new_expr
5415         instead of new_name.
5417 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
5419         PR tree-optimization/70602
5420         * tree-sra.c (generate_subtree_copies): Don't write anything into
5421         constant pool decls.
5423         * omp-low.c (lower_omp_target): Use GOMP_MAP_FIRSTPRIVATE_INT
5424         regardless whether there are depend clauses or not.
5426 2016-04-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
5428         PR target/70381
5429         * config/rs6000/rs6000.c (rs6000_opt_masks): Disable using the
5430         target attribute and pragma from changing the -mfloat128
5431         and -mfloat128-hardware options.
5433         * doc/extend.texi (Additional Floating Types): Document PowerPC
5434         __float128 restrictions.
5436 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
5438         PR target/70133
5439         * config/aarch64/driver-aarch64.c
5440         (aarch64_get_extension_string_for_isa_flags): New.
5441         (arch_extension): Rename to...
5442         (aarch64_arch_extension): ...This.
5443         (ext_to_feat_string): Rename to...
5444         (aarch64_extensions): ...This.
5445         (aarch64_core_data): Keep track of architecture extension flags.
5446         (cpu_data): Rename to...
5447         (aarch64_cpu_data): ...This.
5448         (aarch64_arch_driver_info): Keep track of architecture extension
5449         flags.
5450         (get_arch_name_from_id): Rename to...
5451         (get_arch_from_id): ...This, change return type.
5452         (host_detect_local_cpu): Update and reformat for renames, handle
5453         extensions through common infrastructure.
5455 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
5457         PR target/70133
5458         * config/aarch64/aarch64-common.c (aarch64_option_extension): Keep
5459         track of a canonical flag name.
5460         (all_extensions): Likewise.
5461         (arch_to_arch_name): Also track extension flags enabled by the arch.
5462         (all_architectures): Likewise.
5463         (aarch64_parse_extension): Move to here.
5464         (aarch64_get_extension_string_for_isa_flags): Take a new argument,
5465         rework.
5466         (aarch64_rewrite_selected_cpu): Update for above change.
5467         * config/aarch64/aarch64-option-extensions.def: Rework the way flags
5468         are handled, such that the single explicit value enabled by an
5469         extension is kept seperate from the implicit values it also enables.
5470         * config/aarch64/aarch64-protos.h (aarch64_parse_opt_result): Move
5471         to here.
5472         (aarch64_parse_extension): New.
5473         * config/aarch64/aarch64.c (aarch64_parse_opt_result): Move from
5474         here to config/aarch64/aarch64-protos.h.
5475         (aarch64_parse_extension): Move from here to
5476         common/config/aarch64/aarch64-common.c.
5477         (aarch64_option_print): Update.
5478         (aarch64_declare_function_name): Likewise.
5479         (aarch64_start_file): Likewise.
5480         * config/aarch64/driver-aarch64.c (arch_extension): Keep track of
5481         the canonical flag for extensions.
5482         * config.gcc (aarch64*-*-*): Extend regex for capturing extension
5483         flags.
5485 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
5487         * config/aarch64/aarch64.h (AARCH64_FL_FOR_ARCH8_1): Also add
5488         AARCH64_FL_CRC.
5490 2016-04-09  Tom de Vries  <tom@codesourcery.com>
5492         PR tree-optimization/68953
5493         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Order accesses from
5494         first to last subscript.
5496 2016-04-09  Jakub Jelinek  <jakub@redhat.com>
5498         PR tree-optimization/70586
5499         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Return false
5500         for any calls.
5502 2016-04-08  Cesar Philippidis  <cesar@codesourcery.com>
5504         PR lto/70289
5505         PR ipa/70348
5506         PR tree-optimization/70373
5507         PR middle-end/70533
5508         PR middle-end/70534
5509         PR middle-end/70535
5510         * gimplify.c (gimplify_adjust_omp_clauses): Add or adjust data
5511         clauses for acc parallel reductions as necessary.  Error on those
5512         that are private.
5513         * omp-low.c (scan_sharing_clauses): Don't install variables which
5514         are used in acc parallel reductions.
5515         (lower_rec_input_clauses): Remove dead code.
5516         (lower_oacc_reductions): Add support for reference reductions.
5517         (lower_reduction_clauses): Remove dead code.
5518         (lower_omp_target): Don't remap variables appearing in acc parallel
5519         reductions.
5520         * tree.h (OMP_CLAUSE_MAP_IN_REDUCTION): New macro.
5522 2016-04-08  Jakub Jelinek  <jakub@redhat.com>
5524         PR middle-end/70593
5525         * tree-ssa-coalesce.c (build_ssa_conflict_graph): For stmt
5526         with multiple SSA_NAME defs, force the outputs other than first
5527         to be live before calling live_track_process_def on each output.
5529         PR rtl-optimization/70574
5530         * fwprop.c (forward_propagate_and_simplify): Don't add
5531         REG_EQUAL note if DF_REF_REG (use) is a paradoxical subreg.
5532         (try_fwprop_subst): Don't add REG_EQUAL note if there are any
5533         paradoxical subregs within *loc.
5535 2016-04-08  Thomas Schwinge  <thomas@codesourcery.com>
5537         * config/arc/arc.h (LINK_COMMAND_SPEC): Use gt to ignore
5538         -ftree-parallelize-loops={0,1}.
5539         * config/darwin.h (LINK_COMMAND_SPEC_A): Likewise.
5540         * config/i386/mingw32.h (GOMP_SELF_SPECS): Likewise.
5541         * config/ia64/hpux.h (LIB_SPEC): Likewise.
5542         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
5543         * config/pa/pa64-hpux.h (LIB_SPEC): Likewise.
5545 2016-04-08  Maxim Ostapenko  <m.ostapenko@samsung.com>
5547         PR sanitizer/70541
5548         * asan.c (instrument_derefs): If we get unknown location, extract it
5549         with EXPR_LOCATION.
5550         (maybe_instrument_call): Instrument gimple_call's arguments if needed.
5552 2016-04-08  Tom de Vries  <tom@codesourcery.com>
5554         * omp-low.c (lower_omp_target): Set TREE_NO_WARNING for oacc
5555         implicit firstprivate clause.
5557 2016-04-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5559         PR target/70566
5560         * config/arm/thumb2.md (tst + branch-> lsls + branch
5561         peephole below *orsi_not_shiftsi_si): Require that condition
5562         register is dead after the peephole.
5563         (second peephole after the above): Likewise.
5565 2016-04-08  Alan Modra  <amodra@gmail.com>
5567         PR target/70117
5568         * builtins.c (fold_builtin_classify): For IBM extended precision,
5569         look at just the high-order double to test for NaN.
5570         (fold_builtin_interclass_mathfn): Similarly for Inf.  For isnormal
5571         test just the high double for Inf but both doubles for subnormal
5572         limit.
5574 2016-04-07  Jakub Jelinek  <jakub@redhat.com>
5576         * cgraph.h (struct cgraph_simd_clone): Add mask_mode field.
5577         * omp-low.c (simd_clone_init_simd_arrays, simd_clone_adjust): Handle
5578         node->simdclone->mask_mode != VOIDmode masks.
5579         (simd_clone_adjust_argument_types): Likewise.  Move sc var definition
5580         earlier, use it instead of node->simdclone.
5581         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
5582         Set clonei->mask_mode.
5584 2016-04-06  Patrick Palka  <ppalka@gcc.gnu.org>
5586         PR c/70436
5587         * parser.c (cp_parser_iteration_statement): New parameter IF_P.
5588         Pass it through to cp_parser_already_scoped_statement.
5589         (cp_parser_already_scoped_statement): New parameter IF_P.  Pass
5590         it through to cp_parser_statement.
5591         (cp_parser_statement): Pass IF_P through to
5592         cp_parser_iteration_statement.
5593         (cp_parser_pragma): Adjust call to
5594         cp_parser_iteration_statement.
5596 2016-04-06  Patrick Palka  <ppalka@gcc.gnu.org>
5598         PR c/70436
5599         * gimplify.c (gimplify_omp_ordered): Add explicit braces to
5600         resolve a future -Wparentheses warning.
5601         * omp-low.c (scan_sharing_clauses): Likewise.
5602         * tree-parloops.c (eliminate_local_variables): Likewise.
5604 2016-04-06  Vladimir Makarov  <vmakarov@redhat.com>
5606         PR rtl-optimization/70398
5607         * lra-constraints.c (process_address_1): Check zero scale and code
5608         for reloading with zero scale.
5610 2016-04-06  Uros Bizjak  <ubizjak@gmail.com>
5612         * config/i386/sse.md (shuffletype): Add V32HI and V4TI modes.
5613         (ssescalarsize): Add V8SF, V4SF, V4DF and V2DF modes.
5615 2016-04-06  Jakub Jelinek  <jakub@redhat.com>
5617         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
5618         Add support for AVX512F clones, include them by default for
5619         exported OpenMP declare simd functions.  For AVX2 allow simdlen 32
5620         and use it if charasteric type is 8-bit, for AVX512F allow simdlen
5621         up to 128.
5623         PR middle-end/70550
5624         * tree.h (OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT): Define.
5625         * gimplify.c (gimplify_adjust_omp_clauses_1): Set it for implicit
5626         firstprivate clauses.
5627         * omp-low.c (lower_send_clauses): Set TREE_NO_WARNING for
5628         OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT !by_ref vars in task contexts.
5629         (lower_omp_target): Set TREE_NO_WARNING for
5630         non-addressable possibly uninitialized vars which are copied into
5631         addressable temporaries or copied for GOMP_MAP_FIRSTPRIVATE_INT.
5633 2016-04-05  John David Anglin  <danglin@gcc.gnu.org>
5635         * config/pa/predicates.md (integer_store_memory_operand): Accept
5636         REG+D operands with a large offset when reload_in_progress is true.
5637         (floating_point_store_memory_operand): Likewise.
5639 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
5641         PR c++/70336
5642         * match.pd (nested int casts): Limit to GIMPLE.
5644 2016-04-05  Jan Hubicka  <hubicka@ucw.cz>
5646         PR ipa/66223
5647         * ipa-devirt.c (maybe_record_node): Fix comment; use
5648         SANITIZE_UNREACHABLE instead of SANITIZE_UNDEFINED.
5650 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
5652         PR rtl-optimization/70542
5653         * ree.c (add_removable_extension): For VECTOR_MODE_P punt
5654         if there are any uses other than insn or debug insns.
5656 2016-04-05  Marc Glisse  <marc.glisse@inria.fr>
5657             Jakub Jelinek  <jakub@redhat.com>
5659         PR tree-optimization/70509
5660         * simplify-rtx.c (simplify_binary_operation_1) <case VEC_SELECT>:
5661         Shift HOST_WIDE_INT_1U instead of 1.
5663 2016-04-05  Zdenek Sojka  <zsojka@seznam.cz>
5665         PR tree-optimization/70509
5666         * tree-ssa-forwprop.c (simplify_bitfield_ref): Use bitsize_int instead
5667         of the vector base type for index.
5669 2016-04-05  Uros Bizjak  <ubizjak@gmail.com>
5671         PR target/70510
5672         * config/i386/sse.md (iptr): Add V64QI, V32HI, V16SI and V8DI modes.
5674 2016-04-05  Richard Biener  <rguenther@suse.de>
5676         PR tree-optimization/70526
5677         * tree-sra.c (build_ref_for_offset): Use prev_base to
5678         extract the alias pointer type.
5680 2016-04-05  Richard Biener  <rguenther@suse.de>
5682         * dse.c (struct store_info): Remove alias_set member.
5683         (struct read_info_type): Likewise.
5684         (clear_alias_group, clear_alias_mode_table, clear_alias_mode_holder,
5685         spill_deleted, clear_alias_set_lookup): Remove.
5686         (get_group_info): Remove dead base == NULL_RTX case.
5687         (dse_step0): Remove initialization of removed variables.
5688         (delete_dead_store_insn): Reomve alias set dumping.
5689         (free_read_records): Remove alias_set handling.
5690         (canon_address): Remove alias_set_out parameter.
5691         (record_store): Remove spill_alias_set, it's always zero.
5692         (check_mem_read_rtx): Likewise.
5693         (dse_step2): Rename from ...
5694         (dse_step2_nospill): ... this.  Adjust.
5695         (scan_stores): Rename from ...
5696         (scan_stores_nospill): ... this.
5697         (scan_reads): Rename from ...
5698         (scan_reads_nospill): ... this.
5699         (scan_stores_spill, scan_reads_spill): Remove.
5700         (dse_step3_scan): Remove for_spills argument which is always false.
5701         (dse_step3): Likewise.
5702         (dse_step5): Rename from ...
5703         (dse_step5_nospill): ... this.  Remove alias_set handling.
5704         (rest_of_handle_dse): Adjust.
5706 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
5708         PR target/70525
5709         * config/i386/sse.md (*andnot<mode>3): Simplify assertions.
5710         Use vpandn<ssemodesuffix> for V16SI/V8DImode, vpandnq for
5711         V32HI/V64QImode, don't use <mask_operand3_1>, fix up formatting.
5712         (*andnot<mode>3_mask): Remove insn with VI12_AVX512VL iterator.
5714 2016-04-05  Richard Biener  <rguenther@suse.de>
5716         PR middle-end/70499
5717         * gimplify-me.c (gimple_regimplify_operands): Do not rewrite
5718         non-register type temporaries into SSA.
5720 2016-04-04  Jan Hubicka  <hubicka@ucw.cz>
5722         PR ipa/66223
5723         * ipa-devirt.c (maybe_record_node): Do not optimize cxa_pure_virtual
5724         calls when sanitizing.
5725         (possible_polymorphic_call_target_p): Fix formatting.
5727 2016-04-04  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5728             Jakub Jelinek <jakub@redhat.com>
5730         PR middle-end/70457
5731         * tree-inline.c (estimate_num_insn): Use gimple_call_builtin_p
5732         to ensure a call statement is compatible with a built-in's
5733         prototype.
5734         * tree-ssa-math-opts.c (pass_optimize_windening_mul::execute):
5735         Likewise.
5737 2016-04-04  Richard Biener  <rguenther@suse.de>
5739         PR rtl-optimization/70484
5740         * rtl.h (canon_output_dependence): Declare.
5741         * alias.c (canon_output_dependence): New function.
5742         * dse.c (record_store): Use canon_output_dependence rather
5743         than canon_true_dependence.
5745 2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
5747         PR ipa/68881
5748         * cgraph.h (symtab_node::copy_visibility_from): New function.
5749         * symtab.c (symtab_node::copy_visibility_from): New function.
5750         * ipa-visibility.c (optimize_weakref): New function.
5751         (function_and_variable_visibility): Use it.
5753 2016-04-04  Martin Liska  <mliska@suse.cz>
5755         PR hsa/70402
5756         * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Guard index
5757         value that is really in range handled by SBR instruction.
5758         * hsa-brig.c (emit_switch_insn): Do not emit unconditional jump.
5759         * hsa-dump.c (dump_hsa_insn_1): Do not dump default BB.
5760         * hsa.h (hsa_insn_sbr::m_default_bb): Remove field.
5762 2016-04-03  Oleg Endo  <olegendo@gcc.gnu.org>
5764         PR target/70416
5765         PR target/67391
5766         * config/sh/sh.md (*addsi3): Allow pattern when reload_in_progress is
5767         set, but not for SP_REG operands.
5769 2016-04-02  Martin Sebor  <msebor@redhat.com>
5771         PR c++/67376
5772         * fold-const.c (maybe_nonzero_address): New function.
5773         (fold_comparison): Call it.  Fold equality and relational
5774         expressions involving null pointers.
5775         (tree_single_nonzero_warnv_p): Call maybe_nonzero_address.
5777 2016-03-31  Evandro Menezes  <e.menezes@samsung.com>
5779         Fix the predicate "aarch64_simd_reg_or_zero" to correctly validate
5780         the "Y" constraint (scalar FP 0.0 immediate).
5782         * gcc/config/aarch64/predicates.md (aarch64_simd_reg_or_zero):
5783         Add the "const_double" to the list of operand constraints.
5785 2016-04-01  Jakub Jelinek  <jakub@redhat.com>
5787         PR rtl-optimization/70467
5788         * config/i386/i386.md (*add<dwi>3_doubleword, *sub<dwi>3_doubleword):
5789         If low word of the last operand is 0, just emit addition/subtraction
5790         for the high word.
5792 2016-04-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5794         PR target/70404
5795         * config/s390/s390.c (s390_expand_insv): Check for everything
5796         constant instead of just VOIDmode stuff.
5798 2016-04-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
5800         PR target/70496
5801         * config/arm/arm.h (ASM_APP_OFF): Handle TARGET_ARM and TARGET_THUMB.
5803 2016-04-01  Nathan Sidwell  <nathan@acm.org>
5805         * tree.def (TRY_CATCH_EXPR): Correct documentation.
5807 2016-03-31  Vladimir Makarov  <vmakarov@redhat.com>
5809         PR rtl-optimization/70461
5810         * ira-color.c (allocno_copy_cost_saving): Use allocno class if it
5811         is necessary.
5813 2016-03-31  Martin Liska  <mliska@suse.cz>
5815         PR hsa/70399
5816         * hsa-brig.c (hsa_op_immed::emit_to_buffer): Emit either
5817         a tree value or an immediate integer value to a buffer
5818         that is eventually copied to a BRIG section.
5819         (emit_immediate_operand): Call the function here.
5820         * hsa-dump.c (dump_hsa_immed): Remove checking assert.
5821         * hsa-gen.c (hsa_op_immed::hsa_op_immed): Remove initialization
5822         of class' fields that are removed.
5823         (hsa_op_immed::~hsa_op_immed): Remove deinitialization.
5824         * hsa.h (class hsa_op_immed): Remove m_brig_repr and
5825         m_brig_repr_size fields.
5827 2016-03-31  Martin Liska  <mliska@suse.cz>
5829         PR hsa/70391
5830         * hsa-gen.c (hsa_function_representation::update_dominance): New
5831         function.
5832         (convert_addr_to_flat_segment): Likewise.
5833         (gen_hsa_memory_set): New alignment argument.
5834         (gen_hsa_ctor_assignment): Likewise.
5835         (gen_hsa_insns_for_single_assignment): Provide alignment
5836         to gen_hsa_ctor_assignment.
5837         (gen_hsa_insns_for_direct_call): Add new argument.
5838         (expand_lhs_of_string_op): New function.
5839         (expand_string_operation_builtin): Likewise.
5840         (expand_memory_copy): New function.
5841         (expand_memory_set): New function.
5842         (gen_hsa_insns_for_call): Use HOST_WIDE_INT.
5843         (convert_switch_statements): Change signature.
5844         (generate_hsa): Use a return value of the function.
5845         (pass_gen_hsail::execute): Do not call
5846         convert_switch_statements here.
5847         * hsa-regalloc.c (hsa_regalloc): Call update_dominance.
5848         * hsa.h (hsa_function_representation::m_modified_cfg): New flag.
5849         (hsa_function_representation::update_dominance): New function.
5851 2016-03-31  Martin Liska  <mliska@suse.cz>
5853         PR hsa/70391
5854         * hsa-brig.c (emit_directive_variable): Emit alignment
5855         according to hsa_symbol::m_align.
5856         * hsa-dump.c (hsa_byte_alignment): Move the function to another file.
5857         (dump_hsa_symbol): Dump alignment of HSA symbols.
5858         * hsa-gen.c (get_symbol_for_decl): Set-up alignment of a symbol.
5859         (gen_hsa_addr_with_align): New function.
5860         (hsa_bitmemref_alignment): Use newly added function.
5861         (gen_hsa_insns_for_load): Likewise.
5862         (gen_hsa_insns_for_store): Likewise.
5863         (gen_hsa_memory_copy): New argument added.
5864         (gen_hsa_insns_for_single_assignment): Respect
5865         alignment for assignments processed via gen_hsa_memory_copy.
5866         (gen_hsa_insns_for_direct_call): Likewise.
5867         (gen_hsa_insns_for_return): Likewise.
5868         (gen_function_def_parameters): Set default alignment.
5869         * hsa.c (hsa_object_alignment): New function.
5870         (hsa_byte_alignment): Pasted function.
5871         * hsa.h (hsa_symbol::m_align): New field.
5873 2016-03-31  Bin Cheng  <bin.cheng@arm.com>
5875         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Initialize
5876         scratch field for goto case.
5878 2016-03-31  James Greenhalgh  <james.greenhalgh@arm.com>
5880         * config/arm/linux-elf.h (ASM_OUTPUT_DEF): Delete.
5882 2016-03-31  Ilya Enkovich  <enkovich.gnu@gmail.com>
5884         PR target/70442
5885         * config/i386/i386.c (scalar_chain::convert_op): Fix description.
5886         (scalar_chain::convert_insn): Call convert_op for reg
5887         moves to handle undefined registers.
5889 2016-03-31  Nathan Sidwell  <nathan@acm.org>
5891         PR c++/70393
5892         * varasm.c (output_constructor_regular_field): Flush bitfield earlier.
5893         Assert we don't want to move backwards.
5895 2016-03-31  Kirill Yukhin  <kirill.yukhin@intel.com>
5897         PR target/70453
5898         * config/i386/sse.md (define_mode_attr shuffletype): Fix typo.
5900 2016-03-31  Jakub Jelinek  <jakub@redhat.com>
5902         PR rtl-optimization/70460
5903         * ira.c (indirect_jump_optimize): Don't substitute LABEL_REF
5904         with operand from REG_LABEL_OPERAND, instead substitute
5905         SET_SRC or REG_EQUAL note content if it is a LABEL_REF.
5906         Don't do anything for REG_NON_LOCAL_GOTO jumps.
5908 2016-03-31  Martin Liska  <mliska@suse.cz>
5910         * passes.c (execute_one_pass): Do not call
5911         todo_after for a discarded function.
5913 2016-03-31  Bin Cheng  <bin.cheng@arm.com>
5915         * tree-ssa-loop-ivopts.c (struct comp_cost): New scrach field.
5916         (no_cost, infinite_cost): Initialize the new field.
5917         (get_computation_cost_at): Record setup cost.
5918         (determine_use_iv_cost_address): Skip cost computation for sub
5919         uses if we can estimate it without losing accuracy.
5921 2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
5923         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
5924         estimates here.
5925         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
5926         max_loop_iterations_int.
5927         (tree_unswitch_outer_loop): Likewise.
5928         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
5929         * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
5931 2016-03-30  Richard Biener  <rguenther@suse.de>
5933         PR middle-end/70450
5934         * fold-const.c (extract_muldiv_1): Fix thinko in wide_int::from usage.
5936 2016-03-30  Jakub Jelinek  <jakub@redhat.com>
5938         PR target/70421
5939         * config/i386/i386.c (ix86_expand_vector_set): Fix up argument order
5940         in gen_blendm expander.
5942 2016-03-30  Nick Clifton  <nickc@redhat.com>
5944         PR target/62254
5945         * config/arm/arm.c (arm_reload_out_hi): Add code to handle the
5946         case where we are already provided with an SImode SUBREG.
5948 2016-03-30  H.J. Lu  <hongjiu.lu@intel.com>
5950         PR target/70439
5951         * config/i386/i386.c (ix86_expand_epilogue): Properly check
5952         conflict between DRAP register and __builtin_eh_return.
5954 2016-03-30  Michael Matz  <matz@suse.de>
5955             Richard Biener  <rguenther@suse.de>
5957         PR ipa/12392
5958         * ipa-polymorphic-call.c (struct type_change_info): Change
5959         speculative to an unsigned allowing to limit the work we do.
5960         (csftc_abort_walking_p): New inline function..
5961         (check_stmt_for_type_change): Limit the number of may-defs
5962         skipped for speculative devirtualization to
5963         max-speculative-devirt-maydefs.
5964         * params.def (max-speculative-devirt-maydefs): New param.
5965         * doc/invoke.texi (--param max-speculative-devirt-maydefs): Document.
5967 2016-03-30  Mike Stump  <mrs@gcc.gnu.org>
5969         PR target/63890
5970         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Use when profiling
5971         and TARGET_MACHO.
5973 2016-03-30  Patrick Palka  <ppalka@gcc.gnu.org>
5975         PR tree-optimization/59124
5976         * tree-vrp.c (register_edge_assert_for_2): For NAME != CST1
5977         where NAME = A +- CST2 add the assertion A != (CST1 -+ CST2).
5979 2016-03-29  Jeff Law  <law@redhat.com>
5981         * tree-ssa-coalesce.c (struct ssa_conflicts): Fix typo in comment.
5983 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
5985         * tree-ssa-loop-ivcanon.c (try_peel_loop): Change type of peel
5986         to HOST_WIDE_INT.
5988 2016-03-29  Thomas Schwinge  <thomas@codesourcery.com>
5990         * config/gnu.h (CPP_SPEC, LIB_SPEC): Don't override.
5991         * config/i386/gnu.h (STARTFILE_SPEC): Use gcrt1.o instead of
5992         gcrt0.o if linking dynamically.
5994 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
5996         PR ipa/70283
5997         * ipa-devirt.c (methods_equal_p): New function.
5998         (compare_virtual_tables): Use it.
5999         * cgraph.h (symbol_table::symbol_suffix_separator): Declare.
6000         * cgraphclones.c (clone_function_name_1): Use
6001         symbol_table::symbol_suffix_separator.
6002         * coverage.c (build_var): Likewise.
6003         * symtab.c (symbol_table::symbol_suffix_separator): New.
6005 2016-03-29  Jakub Jelinek  <jakub@redhat.com>
6007         PR rtl-optimization/70429
6008         * combine.c (simplify_shift_const_1): For ASHIFTRT don't optimize
6009         (cst1 >> count) >> cst2 into (cst1 >> cst2) >> count if
6010         mode != result_mode.
6012         PR c++/70353
6013         * tree-inline.c (remap_decls): Don't add_local_decl if cfun is null.
6015         PR tree-optimization/70405
6016         * ssa-iterators.h (num_imm_uses): Add missing braces.
6018 2016-03-29  Vladimir Makarov  <vmakarov@redhat.com>
6020         PR rtl-optimization/68695
6021         * ira-color.c (allocno_copy_cost_saving): New.
6022         (improve_allocation): Use it.
6024 2016-03-29  Richard Henderson  <rth@redhat.com>
6026         PR middle-end/70355
6027         * lower-subreg.c (simplify_subreg_concatn): Reject paradoxical subregs.
6029 2016-03-29  Richard Biener  <rguenther@suse.de>
6031         PR middle-end/70424
6032         * ipa-prop.c (ipa_compute_jump_functions_for_edge): Always
6033         use alignment returned by get_pointer_alignment_1 if it is
6034         bigger than BITS_PER_UNIT.
6035         * builtins.c (get_pointer_alignment_1): Do not return true
6036         for alignment extracted from SSA info.
6038 2016-03-28  James Bowman  <james.bowman@ftdichip.com>
6040         * config/ft32/ft32.opt (mnodiv): New.
6041         * config/ft32/ft32.md (*divsi3, *modsi3): Qualify with TARGET_NODIV.
6042         * doc/invoke.texi (FT32 Options -mnodiv): New.
6044 2016-03-28  Kirill Yukhin  <kirill.yukhin@intel.com>
6046         PR target/70406
6047         * config/i386/i386.md (define_split, andn): Fix modes.
6049 2016-03-26  Richard Biener  <rguenther@suse.de>
6050             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
6052         PR ipa/70366
6053         * ipa-inline-transform.c (inline_call): Pass opts_for_fn (to->decl)
6054         instead of
6055         TREE_OPTIMIZATION (DECL_FUNCTION_SPECIFIC_OPTIMIZATION (to->decl))
6056         as 2nd argument to cl_optimization_restore().
6058 2016-03-25  Richard Henderson  <rth@redhat.com>
6060         PR target/70120
6061         * config/aarch64/aarch64.c (aarch64_asm_output_pool_epilogue): New.
6062         * config/aarch64/aarch64-protos.h: Declare it.
6063         * config/aarch64/aarch64.h (ASM_OUTPUT_POOL_EPILOGUE): New.
6065 2016-03-25  Alan Modra  <amodra@gmail.com>
6067         PR target/70052
6068         * config/rs6000/constraints.md (j): Simplify.
6069         * config/rs6000/predicates.md (easy_fp_constant): Exclude
6070         decimal float 0.D.
6071         * config/rs6000/rs6000.md (zero_fp): New mode_attr.
6072         (mov<mode>_hardfloat, mov<mode>_hardfloat32, mov<mode>_hardfloat64,
6073          mov<mode>_64bit_dm, mov<mode>_32bit): Use zero_fp in place of j
6074         in all constraint alternatives.
6075         (movtd_64bit_nodm): Delete "j" constraint alternative.
6077 2016-03-24  Aldy Hernandez  <aldyh@redhat.com>
6079         * tree-ssa-propagate.c: Enhance docs for
6080         SSA_PROP_NOT_INTERESTING.
6082 2016-03-24  Aldy Hernandez  <aldyh@redhat.com>
6084         * doc/extend.texi: Fix typo in documentation to pure attribute.
6086 2016-03-24  John David Anglin  <danglin@gcc.gnu.org>
6088         PR target/70319
6089         * config/pa/pa.md (bswapdi2): Use a scratch register.
6091 2016-03-24  Richard Henderson  <rth@redhat.com>
6093         PR middle-end/69845
6094         * fold-const.c (extract_muldiv_1): Correct test for multiplication
6095         overflow.
6097 2016-03-24  Uros Bizjak  <ubizjak@gmail.com>
6099         * config/i386/i386.md (*anddi3_doubleword): Generate AND insn
6100         using ix86_expand_binary_operator instead of gen_andsi3.
6102 2016-03-24  Richard Biener  <rguenther@suse.de>
6104         PR tree-optimization/70396
6105         * tree-vect-stmts.c (vectorizable_comparison): Use
6106         get_vectype_for_scalar_type.
6108 2016-03-24  Richard Biener  <rguenther@suse.de>
6110         PR middle-end/70370
6111         * gimplify.c (gimplify_asm_expr): Handle !allows_mem outputs
6112         with register bases.
6114 2016-03-24  Richard Biener  <rguenther@suse.de>
6116         PR tree-optimization/70372
6117         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Use
6118         build_all_ones_cst to also handle vector types correctly.
6120 2016-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
6122         PR target/70381
6123         * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Do not set
6124         -mfloat128 here.
6126 2016-03-23  Marek Polacek  <polacek@redhat.com>
6128         PR c++/69884
6129         * doc/invoke.texi: Document -Wignored-attributes.
6131 2016-03-23  Bin Cheng  <bin.cheng@arm.com>
6133         PR tree-optimization/69042
6134         * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND): Increase the
6135         parameter from 30 to 40.
6137 2016-03-23  Bin Cheng  <bin.cheng@arm.com>
6139         PR tree-optimization/69042
6140         * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Add IV cand
6141         for use with constant offset stripped in base.
6143 2016-03-23  Richard Biener  <rguenther@suse.de>
6145         PR middle-end/70251
6146         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Adjust
6147         mode compatibility check.
6148         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
6150 2016-03-23  Jeff Law  <law@redhat.com>
6152         PR tree-optimization/64058
6153         * tree-ssa-coalesce.c (struct coalesce_pair): Add new field
6154         CONFLICT_COUNT.
6155         (struct ssa_conflicts): Move up earlier in the file.
6156         (conflicts_, var_map_): New static variables.
6157         (initialize_conflict_count): New function to initialize the
6158         CONFLICT_COUNT field for each conflict pair.
6159         (compare_pairs): Lazily initialize the conflict count and use it
6160         as the first tie-breaker.
6161         (sort_coalesce_list): Add new arguments conflicts, map.  Initialize
6162         and wipe conflicts_ and map_ around the call to qsort.  Remove
6163         special case for 2 coalesce pairs.
6164         * bitmap.c (bitmap_count_unique_bits): New function.
6165         (bitmap_count_bits_in_word): New function, extracted from
6166         bitmap_count_bits.
6167         (bitmap_count_bits): Use bitmap_count_bits_in_word.
6168         * bitmap.h (bitmap_count_unique_bits): Declare it.
6170 2016-03-23  Ilya Enkovich  <enkovich.gnu@gmail.com>
6172         PR target/69917
6173         * config/i386/sol2.h (ASM_OUTPUT_DEF_FROM_DECLS): Follow
6174         transparent alias chain for decl assembler name.
6175         * config/sol2.c (solaris_assemble_visibility): Likewise.
6177 2016-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6179         * config/arm/arm1020e.md (1020call_op): Reduce reservation
6180         duration.
6181         (v10_fdivs): Likewise.
6182         (v10_fdivd): Likewise.
6184 2016-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6186         PR driver/70132
6187         * config/arm/driver-arm.c (host_detect_local_cpu): Reorder exit logic
6188         to not call fclose twice on file.
6190 2016-03-23  Jakub Jelinek  <jakub@redhat.com>
6192         PR tree-optimization/70354
6193         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
6194         oprnd0 is wider than oprnd1 and there is a cast from the wider
6195         type to oprnd1, mask it with the mask of the narrower type.
6197         PR target/70321
6198         * config/i386/i386.md (*anddi3_doubleword, *<code>di3_doubleword):
6199         Optimize TARGET_STV splitters, if high or low word of last argument
6200         is 0 or -1.
6202 2016-03-22  Jeff Law  <law@redhat.com>
6204         PR target/70232
6205         tree-ssa-threadbackward.c
6206         (fsm_find_control_statement_thread_paths): Correctly distinguish
6207         between old style jump threads vs FSM jump threads.
6209 2016-03-22  Ilya Enkovich  <enkovich.gnu@gmail.com>
6211         PR target/70302
6212         * config/i386/i386.c (scalar_chain::convert_op): Support
6213         uninitialized register usage case.
6215 2016-03-22  Richard Biener  <rguenther@suse.de>
6217         PR middle-end/70251
6218         * genmatch.c (gen_transform): Adjust last parameter to a three-state
6219         int...
6220         (capture::gen_transform): ... to change behavior when substituting
6221         a condition into cond or not-cond expr context.
6222         (dt_simplify::gen_1): Adjust.
6223         * gimple-match-head.c: Include gimplify.h for unshare_expr.
6224         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Revert
6225         last change and instead change to
6226         A + (B vcmp C ? 1 : 0) -> A - (B vcmp C ? -1 : 0).
6227         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
6229 2016-03-22  Anthony Green  <green@moxielogic.com>
6231         * config/moxie/moxiebox.h (CC1_SPEC): Define.  Fix endianness
6232         issue for moxiebox targets.
6233         (CC1PLUS_SPEC): Ditto.
6235 2016-03-22  Richard Biener  <rguenther@suse.de>
6237         PR middle-end/70333
6238         * fold-const.c (extract_muldiv_1): Properly perform multiplication
6239         in the wide type.
6241 2016-03-22  Kirill Yukhin  <kirill.yukhin@intel.com>
6243         * config/i386/i386.c (def_builtin): Remove duplicated functionality.
6245 2016-03-22  Kirill Yukhin  <kirill.yukhin@intel.com>
6247         PR target/70325
6248         * config/i386/i386.c (def_builtin): Handle
6249         OPTION_MASK_ISA_AVX512VL to be and-ed with other
6250         bits.
6251         (const struct builtin_description bdesc_special_args[]):
6252         Remove duplicate ISA bits.
6254 2016-03-22  Jakub Jelinek  <jakub@redhat.com>
6256         PR target/70329
6257         * config/i386/i386.c (ix86_expand_vecop_qihi): Don't bother computing
6258         d.perm[i] for i >= d.nelt.  If not full_interleave, compute d.perm[i]
6259         in a way that works also for AVX512BW.
6261         PR target/70300
6262         * config/i386/i386.md (cvtsd2ss splitter): Unpack in destination
6263         instead of source if operands[1] is xmm16 and above and
6264         !TARGET_AVX512VL.  Use avx512f_vec_dupv16sf_1 instead of
6265         vec_interleave_lowv4sf if we need to unpack xmm16 and above.
6267         PR c++/70295
6268         * gimplify.c (gimplify_modify_expr): Call gimple_set_no_warning
6269         on assign if (*from_p) is a comparison, set it to
6270         TREE_NO_WARNING (*from_p).
6272 2016-03-21  Jakub Jelinek  <jakub@redhat.com>
6274         PR middle-end/70326
6275         * lra.c (restore_scratches): Ignore deleted insns.
6277 2016-03-21  Marc Glisse  <marc.glisse@inria.fr>
6278             Jakub Jelinek  <jakub@redhat.com>
6280         PR tree-optimization/70317
6281         * match.pd (cmp @0 @0): Pass @0 instead of TYPE_MODE (TREE_TYPE (@0))
6282         to HONOR_NANS.
6284 2016-03-21  Uros Bizjak  <ubizjak@gmail.com>
6286         PR target/70327
6287         * config/i386/i386.md (movxi): Use ix86_expand_vector_move instead
6288         of ix86_expand_move.
6289         (movoi): Ditto.
6290         (movti): Use general_operand for operand 1 predicate.
6292 2016-03-21  Martin Liska  <mliska@suse.cz>
6294         * hsa-dump.c (dump_hsa_insn_1): dump default branch of SBR
6295         insns.
6296         (dump_hsa_symbol): Dump BRIG offset of hsa_symbols.
6298 2016-03-21  Martin Liska  <mliska@suse.cz>
6300         PR ipa/70306
6301         * ipa-icf.c (sem_function::parse): Skip static
6302         constructors and destructors.
6304 2016-03-21  Jakub Jelinek  <jakub@redhat.com>
6306         PR target/70296
6307         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If IDENT is
6308         function-like macro, peek following token(s) if it is followed
6309         by CPP_OPEN_PAREN token with optional padding in between, and
6310         if not, don't treat it like a macro.
6312 2016-03-21  Thomas Schwinge  <thomas@codesourcery.com>
6313             Alexander Monakov  <amonakov@ispras.ru>
6315         * config/nvptx/nvptx.c (nvptx_option_override): Don't emit sorry
6316         for the stabs debug format.
6318 2016-03-21  Richard Biener  <rguenther@suse.de>
6320         PR tree-optimization/70310
6321         * tree-vect-generic.c (expand_vector_condition): Fold the built
6322         condition.
6324 2016-03-21  Kirill Yukhin  <kirill.yukhin@intel.com>
6326         PR target/70293
6327         * config/i386/sse.md: (define_insn "*vec_dup<mode>"/AVX2):
6328         Block third alternative for AVX-512VL target,
6330 2016-03-21  Martin Liska  <mliska@suse.cz>
6332         PR hsa/70234
6333         * hsa-brig.c (emit_function_directives): Mark unemitted
6334         global variables for emission.
6335         * hsa-gen.c (hsa_symbol::hsa_symbol): Initialize a new flag.
6336         (get_symbol_for_decl): Likewise.
6337         * hsa.h (struct hsa_symbol): New flag.
6339 2016-03-21  Richard Biener  <rguenther@suse.de>
6341         PR tree-optimization/70288
6342         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Make sure
6343         we do not estimate unsimplified all-constant conditionals or
6344         switches as optimized away.
6346 2016-03-21  Andrey Belevantsev  <abel@ispras.ru>
6348         PR rtl-optimization/69102
6349         * sched-deps.c (sched_analyze_insn): Do not set last_args_size field
6350         when we have a readonly dependency context.
6352 2016-03-18  Jeff Law  <law@redhat.com>
6354         PR rtl-optimization/70263
6355         * ira.c (memref_used_between_p): Assert we found END in the insn chain.
6356         (update_equiv_regs): When trying to move a store to after the insn
6357         that sets the source of the store, make sure the store occurs after
6358         the insn that sets the source of the store.  When successful note
6359         the REG_EQUIV note created in the dump file.
6361 2016-03-16  David Wohlferd  <dw@LimeGreenSocks.com>
6362             Bernd Schmidt  <bschmidt@redhat.com>
6364         * doc/extend.texi: Document more potential problems with basic asms.
6366 2016-03-18  Bernd Schmidt  <bschmidt@redhat.com>
6368         PR rtl-optimization/70278
6369         * lra-constraints.c (split_reg): Handle the case where biggest_mode is
6370         VOIDmode.
6372 2016-03-18  Jason Merrill  <jason@redhat.com>
6374         * calls.c (load_register_parameters): Fix zero size sibcall logic.
6376 2016-03-18  Kirill Yukhin  <kirill.yukhin@intel.com>
6378         * config/i386/sse.md: Use vpbroadcastq for broadcasting DF
6379         values to 128b regs.
6381 2016-03-18  Ilya Enkovich  <enkovich.gnu@gmail.com>
6383         PR tree-optimization/70252
6384         * tree-vect-stmts.c (supportable_widening_operation): Check resulting
6385         boolean vector has a proper number of elements.
6386         (supportable_narrowing_operation): Likewise.
6388 2016-03-18  Tom de Vries  <tom@codesourcery.com>
6390         PR ipa/70269
6391         * cgraph.c (cgraph_node::get_body): Set dump_file to NULL after save.
6393 2016-03-18  Jakub Jelinek  <jakub@redhat.com>
6395         * reload1.c (emit_input_reload_insns): Use simplify_replace_rtx
6396         instead of replace_rtx for DEBUG_INSNs.
6398 2016-03-18  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
6400         * config/i386/znver1.md : Fix latencies of FP/SSE/AVX
6401         load type reservations.
6403 2016-03-17  John David Anglin  <danglin@gcc.gnu.org>
6405         PR target/70188
6406         * config/pa/constraints.md: Revert 2015-02-13 change.  Use
6407         define_constraint for "Q" and "T" constraints.
6409 2016-03-17  Evandro Menezes  <e.menezes@samsung.com>
6411         Tweak the pipeline model for Exynos M1
6413         * config/aarch64/aarch64.c (exynosm1_tunings):  Enable weak prefetching
6414         model.
6416 2016-03-17  David Malcolm  <dmalcolm@redhat.com>
6418         PR c/70264
6419         * diagnostic-show-locus.c (compatible_locations_p): Handle the case
6420         where one or both locations aren't within a line_map.
6422 2016-03-17  H.J. Lu  <hongjiu.lu@intel.com>
6424         PR driver/70192
6425         * opts.c (finish_options): Don't set flag_pie to the default if
6426         -fpic, -fPIC, -fno-pic or -fno-PIC is used.  Set flag_pic to 0
6427         if it is -1.
6429 2016-03-17  Joern Rennecke  <joern.rennecke@embecosm.com>
6431         * config/i386/i386.md (*movv4qicc_insn+1..36): Pass
6432         true as ALL_REGS argument to replace_rtx.
6434 2016-03-17  Richard Biener  <rguenther@suse.de>
6436         PR debug/70271
6437         * dwarf2out.c (dwarf2out_early_finish): Process deferred_asm_name
6438         last.
6440 2016-03-17  Jakub Jelinek  <jakub@redhat.com>
6442         PR target/70245
6443         * rtl.h (replace_rtx): Add ALL_REGS argument.
6444         * rtlanal.c (replace_rtx): Likewise.  If true, use REGNO
6445         equality and assert mode is the same, instead of just rtx pointer
6446         equality.
6447         * config/i386/i386.md (mov + arithmetics with load peephole): Pass
6448         true as ALL_REGS argument to replace_rtx.
6450 2016-03-17  Ilya Enkovich  <enkovich.gnu@gmail.com>
6452         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Apply
6453         for boolean vector with vector mode only.
6454         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
6456 2016-03-17  Nick Clifton  <nickc@redhat.com>
6458         PR target/70162
6459         * config/rx/rx.c (rx_print_integer): Print negative constants in
6460         decimal.
6462 2016-03-17  Jakub Jelinek  <jakub@redhat.com>
6464         PR target/70261
6465         * rtlanal.c (replace_rtx): Revert 2016-03-16 change.
6467 2016-03-16  Richard Henderson  <rth@redhat.com>
6468             Richard Biener  <rguenth@suse.de>
6470         PR middle-end/70240
6471         PR middle-end/68215
6472         PR tree-opt/68714
6473         * gimplify.c (gimplify_expr) [VEC_COND_EXPR]: Gimplify the
6474         first operand as is_gimple_condexpr.
6476         PR middle-end/70240
6477         PR middle-end/68215
6478         Revert r231575
6479         2015-12-11  Eric Botcazou  <ebotcazou@adacore.com>
6480         * tree-vect-generic.c (tree_vec_extract): Remove GSI parameter.
6481         Do not gimplify the result.
6482         (do_unop): Adjust call to tree_vec_extract.
6483         (do_binop): Likewise.
6484         (do_compare): Likewise.
6485         (do_plus_minus): Likewise.
6486         (do_negate): Likewise.
6487         (expand_vector_condition): Likewise.
6488         (do_cond): Likewise.
6490 2016-03-16  Richard Henderson  <rth@redhat.com>
6492         PR target/70048
6493         * config/aarch64/aarch64.c (virt_or_elim_regno_p): New.
6494         (aarch64_classify_address): Use it.
6495         (aarch64_legitimize_address): Force all subexpressions of PLUS
6496         into registers.  Simplify as (sfp+const)+reg or (reg+reg)+const.
6498 2016-03-16  Jakub Jelinek  <jakub@redhat.com>
6499             Richard Biener  <rguenth@suse.de>
6501         PR target/70245
6502         * rtlanal.c (replace_rtx): For REG, if from is a REG,
6503         return to even if only REGNO is equal, and assert
6504         mode is the same.
6506 2016-03-11  Jeff Law  <law@redhat.com>
6508         PR rtl-optimization/70224
6509         * reorg.c (relax_delay_slots): Pass right argument to CROSSING_JUMP_P.
6511 2016-03-16  Richard Henderson  <rth@redhat.com>
6513         PR middle-end/70199
6514         * function.h (struct function): Add has_forced_label_in_static.
6515         * gimplify.c (force_labels_r): Set it.
6516         * lto-streamer-in.c (input_struct_function_base): Read it.
6517         * lto-streamer-out.c (output_struct_function_base): Write it.
6518         * tree-inline.c (has_label_address_in_static_1): Remove.
6519         (copy_forbidden): Remove fndecl parameter; test
6520         has_forced_label_in_static.
6521         (inline_forbidden_p): Update call to copy_forbidden.
6522         (tree_versionable_function_p): Likewise.
6523         * ipa-chkp.c (chkp_instrumentable_p): Likewise.
6524         (chkp_versioning): Likewise.
6525         * tree-inline.h (copy_forbidden): Update decl.
6527 2016-03-16  Marek Polacek  <polacek@redhat.com>
6529         PR c/70093
6530         * cgraphunit.c (cgraph_node::expand_thunk): Also build call to the
6531         function being thunked if the result type doesn't have fixed size.
6532         * gimplify.c (gimplify_modify_expr): Also set LHS if the result type
6533         doesn't have fixed size.
6535 2016-03-16  Bin Cheng  <bin.cheng@arm.com>
6537         * tree-vect-loop.c (vect_analyze_loop_2): Fix wrong dump info by
6538         reporting malformed loop nest.
6540 2016-03-16  Tom de Vries  <tom@codesourcery.com>
6542         PR lto/70187
6543         * ipa-devirt.c (possible_polymorphic_call_targets): Move
6544         nodes.length () == 1 test to before first nodes[0] access.
6546 2016-03-16  Tom de Vries  <tom@codesourcery.com>
6548         PR tree-optimization/68715
6549         * graphite-scop-detection.c (scop_detection::merge_sese): Add missing
6550         single_pred_p test.
6552 2016-03-16  Tom de Vries  <tom@codesourcery.com>
6554         PR tree-optimization/68809
6555         * graphite-scop-detection.c (same_close_phi_node): Test if result types
6556         are the same.
6558 2016-03-16  Carlos O'Donell  <carlos@redhat.com>
6559             Sandra Loosemore  <sandra@codesourcery.com>
6561         * doc/extend.texi (Common Function Attributes): Describe ifunc impact
6562         on leaf attribute. Mention ELF interposition problems.
6564 2016-03-16  Alan Modra  <amodra@gmail.com>
6566         PR rtl-optimization/69195
6567         PR rtl-optimization/47992
6568         * ira.c (indirect_jump_optimize): Ignore artificial defs.
6569         Add comments.
6571 2016-03-15  Eric Botcazou  <ebotcazou@adacore.com>
6573         PR bootstrap/69513
6574         * dwarf2out.c (flush_limbo_die_list): Really flush the limbo list.
6576 2016-03-15  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
6578         * config/avr/avr.md (rotl<mode>3): Set mode for operand 2.
6580 2016-03-15  Jakub Jelinek  <jakub@redhat.com>
6582         PR rtl-optimization/70222
6583         * combine.c (simplify_shift_const_1): For A >> B >> C LSHIFTRT
6584         optimization if mode is different from result_mode, queue up masking
6585         of the result in outer_op.  Formatting fix.
6587         PR middle-end/70239
6588         * tree-ssa-sccvn.c (VN_INFO_GET): Use safe_grow_cleared instead
6589         of safe_grow.
6591 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
6593         PR rtl-optimization/69032
6594         * sel-sched-ir.c (get_seqno_by_preds): Include both insn and head when
6595         looping backwards over basic block insns.
6597 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
6599         PR target/66660
6600         * sel-sched-ir.c (merge_expr): Avoid changing the speculative pattern
6601         to non-speculative when propagating trap bits.
6603 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
6605         PR rtl-optimization/63384
6606         * sel-sched.c (invoke_aftermath_hooks): Do not decrease issue_more on
6607         DEBUG_INSN_P insns.
6609 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
6611         PR target/64411
6612         * sched-deps.c (get_implicit_reg_pending_clobbers): New function,
6613         factored out from ...
6614         (sched_analyze_insn): ... here.
6615         * sched-int.h (get_implicit_reg_pending_clobbers): Declare it.
6616         * sel-sched-ir.c (setup_id_implicit_regs): New function, use
6617         get_implicit_reg_pending_clobbers in it.
6618         (setup_id_reg_sets): Use setup_id_implicit_regs.
6619         (deps_init_id): Ditto.
6621 2016-03-15  Tom de Vries  <tom@codesourcery.com>
6623         PR ipa/70161
6624         * cgraph.c (cgraph_node::get_body): Save, reset and restore
6625         dump_file_name.
6626         * passes.c (execute_one_ipa_transform_pass): Add missing argument to
6627         execute_function_dump.
6628         (execute_one_pass): Don't dump function if it will be dumped after ipa
6629         transform.
6631 2016-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
6633         * genrecog.c (match_pattern_2): If pred is NULL don't call
6634         safe_predicate_mode on it.
6636 2016-03-14  Jakub Jelinek  <jakub@redhat.com>
6638         PR middle-end/70219
6639         * lra-constraints.c (delete_move_and_clobber): Change assertion
6640         to also allow dregno == 0.
6642 2016-03-14  Richard Henderson  <rth@redhat.com>
6644         PR tree-opt/68714
6645         * tree-ssa-reassoc.c (ovce_extract_ops, optimize_vec_cond_expr): New.
6646         (can_reassociate_p): Allow ANY_INTEGRAL_TYPE_P.
6647         (reassociate_bb): Use optimize_vec_cond_expr; avoid
6648         optimize_range_tests, attempt_builtin_copysign and attempt_builtin_powi
6649         on vectors.
6651 2016-03-14  Bernd Schmidt  <bschmidt@redhat.com>
6653         PR target/70083
6654         * lra-lives.c (process_bb_lives): Also update biggest mode for hard
6655         regs.
6656         (lra_create_live_ranges_1): initialize hard register biggest_mode to
6657         VOIDmode.
6658         * lra-constraints.c (split_reg): For hard regs, try to find the
6659         biggest single-register mode used in the function.
6661 2016-03-14  Richard Biener  <rguenther@suse.de>
6663         PR tree-optimization/56365
6664         * tree-ssa-phiopt.c (minmax_replacement): Handle alternate
6665         constants to compare against.
6667 2016-03-14  Segher Boessenkool  <segher@kernel.crashing.org>
6669         PR target/70098
6670         * config/rs6000/rs6000.md (*ctr<mode>_internal1, *ctr<mode>_internal2,
6671         *ctr<mode>_internal5, *ctr<mode>_internal6): Also allow "d" as output.
6672         (define_split for the GPR case): Use int_reg_operand instead of
6673         gpc_reg_operand for the output.
6675 2016-03-14  Tom de Vries  <tom@codesourcery.com>
6677         PR tree-optimization/70045
6678         * graphite-isl-ast-to-gimple.c (graphite_create_new_loop_guard): Unshare
6679         create_empty_if_region_on_edge argument.
6681 2016-03-13  Eric Botcazou  <ebotcazou@adacore.com>
6683         * config/arm/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Define.
6684         (STACK_CHECK_PROTECT): Likewise.
6685         * config/i386/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
6686         (STACK_CHECK_PROTECT): Likewise.
6687         * config/rs6000/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
6688         (STACK_CHECK_PROTECT): Likewise.
6689         * config/rs6000/vxworksae.h (STACK_CHECK_PROTECT): Likewise.
6690         * config/sparc/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
6691         (STACK_CHECK_PROTECT): Likewise.
6693 2016-03-12  Andrey Belevantsev  <abel@ispras.ru>
6695         PR rtl-optimization/69307
6696         * sel-sched.c (choose_best_pseudo_reg): Properly check for hard
6697         registers in modes that span more than one register.
6699 2016-03-12  Vladimir Makarov  <vmakarov@redhat.com>
6701         PR target/69614
6702         * lra-constraints.c (delete_move_and_clobber): New.
6703         (remove_inheritance_pseudos): Use it.
6705 2016-03-12  Eric Botcazou  <ebotcazou@adacore.com>
6707         PR ada/70017
6708         * calls.c (emit_library_call_value_1): Clear the ECF_NOTHROW flag if
6709         the libcall is LCT_THROW.
6710         * explow.c (probe_stack_range): Pass LCT_THROW to emit_library_call
6711         for the checking routine.
6713 2016-03-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
6715         PR target/70131
6716         * config/rs6000/rs6000.md (round32<mode>2_fprs): Do not do the
6717         optimization if we have direct move.
6718         (roundu32<mode>2_fprs): Likewise.
6720 2016-03-11  Bernd Schmidt  <bschmidt@redhat.com>
6722         PR target/70123
6723         * lra-remat.c (operand_to_remat): Disallow hard regs in the value t
6724         be rematerialized.
6725         (reg_overlap_for_remat_p): Renamed from input_regno_present_p.
6726         Arguments swapped.  All callers changed.  Take reg_renumber into
6727         account, and Calculate and compare register ranges for hard regs.
6729 2016-03-11  Jeff Law  <law@redhat.com>
6731         PR tree-optimization/70190
6732         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
6733         Handle cases where we can not extract the taken edge, even though we
6734         found a constant value.
6736         PR tree-optimization/64058
6737         * tree-ssa-coalesce.c (struct coalesce_pair): Add new field INDEX.
6738         (num_coalesce_pairs): Move up earlier in file.
6739         (find_coalesce_pair): Initialize the INDEX field for each pair
6740         discovered.
6741         (compare_pairs): No longer sort on the elements in each pair.
6742         Instead break ties with the index of the coalesce pair.
6744 2016-03-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6746         PR target/70002
6747         * config/aarch64/aarch64-protos.h
6748         (aarch64_save_restore_target_globals): New prototype.
6749         * config/aarch64/aarch64-c.c (aarch64_pragma_target_parse):
6750         Call the above when popping pragma.
6751         * config/aarch64/aarch64.c (aarch64_save_restore_target_globals):
6752         New function.
6753         (aarch64_set_current_function): Rewrite using the above.
6755 2016-03-11  Jakub Jelinek  <jakub@redhat.com>
6757         PR tree-optimization/70177
6758         * gimple-expr.h (extract_ops_from_tree_1): Renamed to ...
6759         (extract_ops_from_tree): ... this.  In the 2 argument
6760         overload remove _1 suffix.
6761         * gimple-expr.c (extract_ops_from_tree_1): Renamed to ...
6762         (extract_ops_from_tree): ... this.
6763         * gimple.c (gimple_build_assign, gimple_assign_set_rhs_from_tree):
6764         Adjust callers.
6765         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
6766         * tree-ssa-forwprop.c (defcodefor_name): Call 3 operand
6767         extract_ops_from_tree instead of 2 operand one.
6769 2016-03-11  Alan Lawrence  <alan.lawrence@arm.com>
6771         PR tree-optimization/70013
6772         * tree-sra.c (analyze_access_subtree): Also set grp_unscalarized_data
6773         for constant-pool entries.
6775 2016-03-11  Jakub Jelinek  <jakub@redhat.com>
6777         PR rtl-optimization/70174
6778         * expmed.c (store_bit_field_using_insv): Use gen_lowpart_if_possible
6779         followed by gen_lowpart on force_reg instead of just gen_lowpart.
6781         PR tree-optimization/70169
6782         * tree-ssa-loop.c (gen_lsm_tmp_name): Handle FUNCTION_DECL and
6783         LABEL_DECL like VAR_DECL.  Emit nothing instead of gcc_unreachable
6784         for unknown codes.
6786 2016-03-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
6787             Jakub Jelinek  <jakub@redhat.com>
6789         PR target/70160
6790         * config/i386/i386.c (scalar_chain::convert_reg): Skip uses
6791         of uninitialized values.
6793 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6795         * config/s390/s390.md ("trunctddd2"): Turn former define_insn into
6796         define_expand.
6797         ("*trunctddd2"): New pattern definition.
6798         ("trunctdsd2"): Set prep_for_short_prec rounding mode for the
6799         TD->DD truncation.
6801 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6803         * config/s390/s390.md (BFP_RND_*, DFP_RND_*): Add new constant
6804         definitions for BFP and DFP rounding modes.
6805         ("fixuns_truncdddi2", "fixuns_trunctddi2")
6806         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2")
6807         ("fix_trunc<DSF:mode><GPR:mode>2", "fix_trunc<mode>di2")
6808         ("fix_trunctf<mode>2"): Use the new constants instead of magic
6809         numbers.
6811 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6813         * config/s390/constraints.md: Adjust comment.
6814         ("Y"): Adjust comment.  Rename s390_decompose_shift_count to
6815         s390_decompose_addrstyle_without_index.
6816         * config/s390/predicates.md (shift_count_or_setmem_operand):
6817         Rename to setmem_operand.
6818         * config/s390/s390-protos.h
6819         (s390_decompose_shift_count): Rename to
6820         s390_decompose_addrstyle_without_index.
6821         * config/s390/s390.c (s390_decompose_shift_count)
6822         (s390_mem_constraint, print_shift_count_operand)
6823         (print_operand_address, print_operand): Rename
6824         s390_decompose_shift_count to
6825         s390_decompose_addrstyle_without_index and rename
6826         print_shift_count_operand to print_addrstyle_operand troughout the
6827         file.
6828         * config/s390/s390.md ("setmem_long_<P:mode>", "*setmem_long")
6829         ("*setmem_long_and", "*setmem_long_31z", "*setmem_long_and_31z"):
6830         Rename shift_count_or_setmem_operand to setmem_operand.
6831         * config/s390/vx-builtins.md ("vec_insert<mode>")
6832         ("vec_promote<mode>"): Replace shift_count_or_setmem_operand with
6833         nonmemory_operand.
6835 2016-03-10  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
6837         PR target/70168
6838         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
6839         Handle overlapping retval and newval.
6841 2016-03-10  Nick Clifton  <nickc@redhat.com>
6843         PR target/7044
6844         * config/aarch64/aarch64.c
6845         (aarch64_override_options_after_change_1): When forcing
6846         flag_omit_frame_pointer to be true, use a special value that can
6847         be detected if this function is called again, thus preventing
6848         flag_omit_leaf_frame_pointer from being forced to be false.
6850 2016-03-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6852         * common/config/aarch64/aarch64-common.c (aarch64_handle_option):
6853         Set x_flag_omit_leaf_frame_pointer when handling
6854         -momit-leaf-frame-pointer.
6856 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
6858         PR lto/69589
6859         * cgraph.c (cgraph_node::dump): Dump split_part and
6860         indirect_call_target.
6861         * cgraph.h (cgraph_node): Add indirect_call_target flag.
6862         * ipa.c (has_addr_references_p): Cleanup.
6863         (is_indirect_call_target_p): New.
6864         (walk_polymorphic_call_targets): Do not mark virtuals that may be
6865         called indirectly as local.
6866         (symbol_table::remove_unreachable_nodes): Compute indirect_call_target.
6868 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
6870         PR ipa/69630
6871         * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
6872         on cxa_pure_virtual.
6874 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
6876         PR lto/69589
6877         * tree.c (free_lang_data_in_decl): Clear visibility of TYPE_DECL.
6879 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
6881         PR lto/69589
6882         * tree.c (need_assembler_name_p): Only record main variant type names.
6884 2016-03-10  Christophe Lyon  <christophe.lyon@linaro.org>
6886         PR target/70113.
6887         * config/aarch64/aarch64.h (TARGET_FIX_ERR_A53_843419_DEFAULT):
6888         Always define to 0 or 1.
6889         (TARGET_FIX_ERR_A53_843419): New macro.
6890         * config/aarch64/aarch64-elf-raw.h
6891         (TARGET_FIX_ERR_A53_843419_DEFAULT): Update for above changes.
6892         * config/aarch64/aarch64-linux.h: Likewise.
6893         * config/aarch64/aarch64.c
6894         (aarch64_override_options_after_change_1): Do not default
6895         aarch64_nopcrelative_literal_loads to true if Cortex-A53 erratum
6896         843419 is on.
6897         (aarch64_attributes): Handle fix-cortex-a53-843419.
6898         (aarch64_can_inline_p): Likewise.
6899         * config/aarch64/aarch64.opt (aarch64_fix_a53_err843419): Save.
6901 2016-03-10  Alan Lawrence  <alan.lawrence@arm.com>
6902         Jakub Jelinek <jakub@redhat.com>
6904         * common.opt (funconstrained-commons, flag_unconstrained_commons): New.
6905         * tree.c (array_at_struct_end_p): Do not limit to size of decl for
6906         DECL_COMMONS if flag_unconstrained_commons is set.
6907         * tree-dfa.c (get_ref_base_and_extent): Likewise.
6908         * doc/invoke.texi (Optimize Options): Add -funconstrained-commons.
6909         (funconstrained-commons): Document.
6911 2016-03-10  Christophe Lyon  <christophe.lyon@linaro.org>
6913         * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add
6914         aarch64-fusion-pairs.def and aarch64-tuning-flags.def
6916 2016-03-10  Ilya Enkovich  <enkovich.gnu@gmail.com>
6918         * tree-vect-stmts.c (vectorizable_mask_load_store): Check mask
6919         has a proper number of elements.
6921 2016-03-10  Alan Modra  <amodra@gmail.com>
6923         PR rtl-optimization/69195
6924         PR rtl-optimization/47992
6925         * ira.c (recorded_label_ref): Delete.
6926         (update_equiv_regs): Return void.
6927         (indirect_jump_optimize): New function.
6928         (ira): Call indirect_jump_optimize and delete_trivially_dead_insns
6929         before regstat_compute_ri.  Don't rebuild_jump_labels here.
6930         Delete update_regstat.
6932 2016-03-10  Richard Biener  <rguenther@suse.de>
6934         PR tree-optimization/70128
6935         * tree-ssa-structalias.c (set_uids_in_ptset): Set
6936         vars_contains_nonlocal for any FUNCTION_DECL or LABEL_DECL.
6938 2016-03-09  Jakub Jelinek  <jakub@redhat.com>
6940         PR tree-optimization/70152
6941         * tree-sra.c (replace_removed_params_ssa_names): Copy over
6942         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from old_name to new_name.
6944         PR target/70086
6945         * config/i386/i386.md (truncdfsf2 splitter): Use gen_vec_concatv2df
6946         instead of gen_sse2_loadlpd.
6947         * config/i386/sse.md (*vec_concatv2df): Rename to...
6948         (vec_concatv2df): ... this.
6950         PR tree-optimization/70127
6951         * fold-const.c (operand_equal_p): Revert the 2015-10-28 change.
6953 2016-03-09  David Malcolm  <dmalcolm@redhat.com>
6955         PR c/68473
6956         PR c++/70105
6957         * diagnostic-show-locus.c (compatible_locations_p): New function.
6958         (layout::layout): Sanitize ranges using compatible_locations_p.
6960 2016-03-09  David Malcolm  <dmalcolm@redhat.com>
6962         PR c/68473
6963         PR c++/70105
6964         * diagnostic-show-locus.c (layout_range::layout_range): Replace
6965         location_range param with three const expanded_locations * and a
6966         bool.
6967         (layout::layout): Replace call to
6968         rich_location::lazily_expand_location with get_expanded_location.
6969         Extract the range and perform location expansion here, passing
6970         the results to the layout_range ctor.
6971         * diagnostic.c (source_range::debug): Delete.
6972         * diagnostic.h (diagnostic_expand_location): Reimplement in terms
6973         of rich_location::get_expanded_location.
6974         * gcc-rich-location.c (get_range_for_expr): Delete.
6975         (gcc_rich_location::add_expr): Reimplement to avoid the
6976         rich_location::add_range overload that took a location_range,
6977         passing a location_t instead.
6979 2016-03-09  Richard Biener  <rguenther@suse.de>
6980         Jakub Jelinek  <jakub@redhat.com>
6982         PR tree-optimization/70138
6983         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
6984         Also skip vect_double_reduction_def.
6986 2016-03-09  Jakub Jelinek  <jakub@redhat.com>
6988         PR target/70049
6989         * config/i386/sse.md (*vec_extract<mode>): Use %0 instead of %k0
6990         if the operand is "m".
6992 2016-03-09  Nathan Sidwell  <nathan@acm.org>
6994         * config/nvptx/nvptx.c (nvptx_option_override): Don't kill debug level.
6996 2016-03-09  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
6998         * config/i386/i386.c (processor_target_table): Fix cost table
6999         intialization order for znver1.
7001 2016-03-08  Jakub Jelinek  <jakub@redhat.com>
7003         * ipa-polymorphic-call.c (walk_ssa_copies): Fix spelling
7004         - becuase -> because.
7005         * ipa-reference.c (ignore_module_statics): Likewise.
7006         * cgraph.c (cgraph_node::get_body): Likewise.
7007         * ipa-inline.c (early_inliner): Likewise.
7008         * ipa-devirt.c (types_same_for_odr): Likewise.
7009         * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
7010         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Likewise.
7012 2016-03-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7014         * tree-ssa-math-opts.c: Fix typo in comment.
7016 2016-03-08  Jakub Jelinek  <jakub@redhat.com>
7018         PR target/70110
7019         * config/i386/i386.c (scalar_chain::make_vector_copies,
7020         scalar_chain::convert_reg): Call end_sequence in between
7021         get_insns and emit_conversion_insns rather than after both
7022         calls.
7024 2016-03-07  Uros Bizjak  <ubizjak@gmail.com>
7026         PR target/70064
7027         * config/i386/i386.h (machine_function): Add
7028         pc_thunk_call_expanded flag.
7029         (ix86_pc_thunk_call_expanded): New define.
7030         * config/i386/i386.md (set_got, set_got_labelled): New expanders.
7031         (*set_got): Rename insn pattern from set_got.
7032         (*set_got_labelled): Rename inst pattern from set_got_labelled.
7033         * config/i386/i386.c (ix86_compute_frame_layout): Use
7034         ix86_pc_thunk_call_expanded to prevent red-zone.
7036 2016-03-07  Martin Jambor  <mjambor@suse.cz>
7038         * hsa.h (hsa_get_ctor_statements): Declare.
7039         (hsa_get_dtor_statements): Likewise.
7040         (hsa_get_kernel_dispatch_type): Likewise.
7041         * hsa.c (hsa_get_ctor_statements): New function.
7042         (hsa_get_dtor_statements): Likewise.
7043         (hsa_get_kernel_dispatch_type): Likewise.
7044         * hsa-brig.c (hsa_cdtor_statements): Removed.
7045         (hsa_output_libgomp_mapping): Use hsa_get_ctor_statements and
7046         hsa_get_dtor_statements.
7047         * hsa-gen.c (hsa_kernel_dispatch_type): Removed.
7048         (get_hsa_kernel_dispatch_offset): Use hsa_get_kernel_dispatch_type.
7050 2016-03-07  Andre Vieira  <andre.simoesdiasvieira@arm.com>
7052         * config/arm/arm-cores.def (cortex-r8): New.
7053         * config/arm/arm-tables.opt (cortex-r8): Regenerate.
7054         * config/arm/arm-tune.md: Likewise.
7055         * gcc/doc/invoke.texi: Add cortex-r8 to list of cpu values.
7057 2016-03-07  Martin Sebor  <msebor@redhat.com>
7059         PR rtl-optimization/19705
7060         * doc/invoke.texi (Options That Control Optimization): Clarify
7061         -fno-branch-count-reg.
7063 2016-02-26  Richard Biener  <rguenther@suse.de>
7064             Jeff Law  <law@redhat.com>
7066         PR tree-optimization/69740
7067         * cfghooks.c (remove_edge): Request loop fixups if we delete
7068         an edge that might turn an irreducible loop into a natural
7069         loop.
7070         * cfgloop.h (check_verify_loop_structure): Clear LOOPS_NEED_FIXUP.
7071         Move after definition of loops_state_clear.
7073 2016-03-07  Bin Cheng  <bin.cheng@arm.com>
7075         PR rtl-optimization/69052
7076         * rtlanal.c (commutative_operand_precedence): Set higher precedence
7077         to CONST_WIDE_INT.
7079 2016-03-07  Tom de Vries  <tom@codesourcery.com>
7081         PR tree-optimization/70116
7082         * tree-ssa-tail-merge.c (merge_stmts_p): New function, handling
7083         is_tm_ending stmts and ubsan/asan internal functions.
7084         (find_duplicate): Use it.  Don't test is_tm_ending here.
7086 2016-03-07  Richard Biener  <rguenther@suse.de>
7088         PR tree-optimization/70115
7089         * tree-ssa-loop-ivcanon.c (propagate_into_all_uses): Remove.
7090         (propagate_constants_for_unrolling): Use replace_uses_by.
7092 2016-03-07  Nathan Sidwell  <nathan@codesourcery.com>
7094         PR middle-end/69916
7095         * omp-low.c (struct oacc_loop): Add ifns.
7096         (new_oacc_loop_raw): Initialize it.
7097         (finish_oacc_loop): Clear mask & flags if no ifns.
7098         (oacc_loop_discover_walk): Count IFN_GOACC_LOOP calls.
7099         (oacc_loop_xform_loop): Add ifns arg & adjust.
7100         (oacc_loop_process): Adjust oacc_loop_xform_loop call.
7102 2016-03-07  Richard Henderson  <rth@redhat.com>
7104         PR rtl-opt/70061
7105         * tree-outofssa.c (emit_partition_copy): Flush pending stack adjust.
7106         (insert_value_copy_on_edge): Likewise.
7108 2016-03-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7110         * config/arm/arm_neon.h: Show error if using with soft-float ABI.
7112 2016-03-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7114         PR target/62281
7115         * config/i386/sol2.h (STACK_REALIGN_DEFAULT): Define.
7117 2016-03-05  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>
7119         * config/i386/i386.c (znver1_cost): Fix Multiply cost.
7121 2016-03-05  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>
7123         Fix sseimul type attribute.
7124         * config/i386/znver1.md
7125         (znver1_sseimul, znver1_sseimul_avx256, znver1_sseimul_load,
7126         znver1_sseimul_avx256_load) : Fix the type attribute.
7127         (znver1_sseimul_di, znver1_sseimul_load_di): Fix type attribute,
7128         pipe usage and latency.
7130 2016-03-05  Jakub Jelinek  <jakub@redhat.com>
7132         PR c++/70084
7133         * tree-inline.c (copy_tree_body_r): When cancelling ADDR_EXPR
7134         of INDIRECT_REF and ADDR_EXPR changed type, fold_convert it
7135         to the right type.
7137 2016-03-04  Bernd Schmidt  <bschmidt@redhat.com>
7139         PR c/69973
7140         * targhooks.c (default_vector_alignment): Limit to MAX_OFILE_ALIGNMENT.
7142         PR rtl-optimization/69941
7143         * postreload.c (reload_combine_recognize_pattern): Ensure all uses of
7144         the reg share its mode.
7146 2016-03-04  Jeff Law  <law@redhat.com>
7148         PR tree-optimization/69196
7149         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
7150         If the both SSA_NAMEs are anonymous, then consider them unassociated
7151         and include the PHI in the statement count.
7153 2016-03-05  Tom de Vries  <tom@codesourcery.com>
7155         * omp-low.c (check_omp_nesting_restrictions): Check for non-oacc
7156         construct in oacc routine.  Check for oacc region in oacc routine.
7158 2016-03-04  Jakub Jelinek  <jakub@redhat.com>
7160         PR target/70062
7161         * config/i386/i386.c (decide_alg): Add RECUR argument.  Revert
7162         2016-02-22 changes, instead don't recurse if RECUR is already true.
7163         Don't change *dynamic_check if RECUR.  Adjust recursive caller
7164         to pass true to the new argument.
7165         (ix86_expand_set_or_movmem): Adjust decide_alg caller.
7167         PR target/70059
7168         * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
7169         <extract_type_2>_vinsert<shuffletype><extract_suf_2>_mask): Formatting
7170         fixes.
7171         (vec_set_hi_<mode><mask_name>): Likewise.  Swap VEC_CONCAT operands.
7173 2016-03-04  Bernd Schmidt  <bschmidt@redhat.com>
7175         PR rtl-optimization/57676
7176         * lra-assigns.c (lra_assign): Guard test for maximum iterations
7177         with flag_checking.
7179 2016-03-04  Ilya Enkovich  <enkovich.gnu@gmail.com>
7181         * tree-vect-patterns.c (search_type_for_mask): Handle
7182         comparison of booleans.
7184 2016-03-04  Jakub Jelinek  <jakub@redhat.com>
7186         * doc/extend.texi (__builtin_alloca, __builtin_alloca_with_align):
7187         Fix @xref usage.
7189         PR debug/69947
7190         * dwarf2out.c (prune_unused_types_walk_loc_descr): Handle
7191         all other ops that have dw_val_class_die_ref operands,
7192         and DW_OP_GNU_entry_value.
7194 2016-03-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7196         PR rtl-optimization/69904
7197         * config/arm/arm.c (arm_cannot_copy_insn_p):
7198         Return true for load-exclusive instructions.
7200 2016-03-03  Jakub Jelinek  <jakub@redhat.com>
7202         PR target/70021
7203         * tree-vect-stmts.c (vect_mark_relevant): Remove USED_IN_PATTERN
7204         argument, if STMT_VINFO_IN_PATTERN_P (stmt_info), always mark
7205         the pattern no matter if it is used just by non-pattern, pattern
7206         or mix thereof.
7207         (process_use, vect_mark_stmts_to_be_vectorized): Adjust callers.
7208         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
7209         oprnd1 def_stmt is in pattern, don't look through it.
7211 2016-03-03  Marek Polacek  <polacek@redhat.com>
7213         PR middle-end/70050
7214         * match.pd (X % -Y): Add INTEGRAL_TYPE_P check.
7216 2016-03-03  Martin Liska  <mliska@suse.cz>
7218         PR tree-optimization/70043
7219         * tree-vect-loop.c (optimize_mask_stores): Move iterator to
7220         previous statement if we see a debug statement.
7222 2016-03-03  Richard Biener  <rguenther@suse.de>
7224         PR tree-optimization/55936
7225         * tree-vrp.c (compare_name_with_value): Add use_equiv_p
7226         parameter and guard unsafe equivalence use.
7227         (vrp_evaluate_conditional_warnv_with_ops): Always use
7228         safe equivalences but not via the quadratic compare_names
7229         helper.
7231 2016-03-03  Michael Collison  <michael.collison@linaro.org>
7233         PR target/70014
7234         * config/arm/arm.md (*subsi3_carryin_const): Change predicate
7235         for operand 1 to s_register_operand. Change predicate for operand
7236         2 to arm_not_immediate_operand.
7238 2016-03-02  H.J. Lu  <hongjiu.lu@intel.com>
7240         * doc/tm.texi: Regenerated.
7242 2016-03-02  Richard Henderson  <rth@redhat.com>
7244         PR rtl-opt/67145
7245         * simplify-rtx.c (simplify_plus_minus): Allow reassoc without
7246         simplification when all args are positive non-fixed registers.
7248 2016-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7250         * target.def (lra_p): Specify that new ports should use LRA.
7252 2016-03-02  Jakub Jelinek  <jakub@redhat.com>
7254         PR libgomp/69555
7255         * gimplify.c (gimplify_decl_expr): For decls with REFERENCE_TYPE, also
7256         gimplify_type_sizes the type they refer to.
7257         (omp_notice_variable): Handle reference vars to VLAs.
7258         * omp-low.c (lower_omp_target): Emit setup of OMP_CLAUSE_PRIVATE
7259         reference to VLA decls in the second pass instead of first pass.
7261 2016-03-02  Tom de Vries  <tom@codesourcery.com>
7263         PR tree-optimization/68659
7264         * graphite-isl-ast-to-gimple.c (collect_all_ssa_names): Handle
7265         new_expr == NULL_TREE.
7266         (get_new_name): Handle ADDR_EXPR.
7268 2016-03-02  Bin Cheng  <bin.cheng@arm.com>
7270         PR rtl-optimization/69052
7271         * loop-invariant.c (canonicalize_address): New function.
7272         (inv_can_prop_to_addr_use): Check validity of address expression
7273         which is canonicalized by above function.
7275 2016-03-02  Alan Modra  <amodra@gmail.com>
7277         PR ipa/69990
7278         * ipa-icf.c (sem_variable::merge): Do not merge an alias with
7279         larger alignment.
7281 2016-03-02  Jakub Jelinek  <jakub@redhat.com>
7283         PR target/70028
7284         * config/i386/i386.md (kmovw): Move m constraint to 2nd alternative.
7285         (*movhi_internal): Put mask moves from and to memory separately
7286         from moves from/to GPRs.
7288 2016-03-02  Richard Biener  <rguenther@suse.de>
7290         * genmatch.c (dt_node::gen_kids): Fix match code-gen for embedded
7291         GENERIC expressions in GIMPLE.
7293 2016-03-02  Richard Biener  <rguenther@suse.de>
7295         * config/i386/i386.c (type_natural_mode): Fix typo.
7297 2016-03-02  Nick Clifton  <nickc@redhat.com>
7299         * config.gcc (mep-*-elf): Add newlib-stdint.h to tm_file.
7301 2016-03-02  Richard Biener  <rguenther@suse.de>
7302             Uros Bizjak  <ubizjak@gmail.com>
7304         PR target/67278
7305         * config/i386/i386.c (type_natural_mode): Handle XFmode vectors.
7307 2016-03-02  Richard Biener  <rguenther@suse.de>
7309         PR middle-end/67278
7310         * tree-cfg.c (verify_expr): Adjust BIT_FIELD_REF case.
7312 2016-03-02  Marek Polacek  <polacek@redhat.com>
7314         PR c/67854
7315         * gimplify.c (gimplify_va_arg_expr): Use expanded location for the
7316         "is promoted to" warning.
7318 2016-03-01  DJ Delorie  <dj@redhat.com>
7320         * config.gcc: Deprecate mep-*.
7322 2016-03-01  Vladimir Makarov  <vmakarov@redhat.com>
7324         PR middle-end/70025
7325         * lra-constraints.c (regno_val_use_in): New.
7326         (match_reload): Use it instead of regno_use_in.
7328 2016-03-01  Eric Botcazou  <ebotcazou@adacore.com>
7330         PR rtl-optimization/70007
7331         * gcse.c (compute_ld_motion_mems): Tidy up and also invalidate memory
7332         references present in REG_EQUAL notes attached to non-SET patterns.
7334 2016-03-01  Jeff Law  <law@redhat.com>
7336         PR tree-optimization/69196
7337         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
7338         Appropriately clamp the number of statements to copy when the
7339         thread path does not traverse a loop backedge.
7341         PR tree-optimization/69196
7342         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
7343         Do count some PHIs in the thread path against the insn count.  Decrease
7344         final statement count by one as the control statement in the last
7345         block will get removed.  Remove special cased code for handling PHIs
7346         in the last block.
7348 2016-03-01  Uros Bizjak  <ubizjak@gmail.com>
7350         PR target/70027
7351         * config/i386/i386.c (ix86_output_call_insn): Add -masm=intel
7352         asm dialect alternatives to explicit GOTPCREL calls.
7354 2016-03-01  Eric Botcazou  <ebotcazou@adacore.com>
7356         PR ada/70017
7357         * ira.c (do_reload): Issue warning for generic stack checking here...
7358         * reload1.c (reload): ...instead of here and streamline it.
7360 2016-03-01  Nick Clifton  <nickc@redhat.com>
7362         * config.gcc (cr16-*-elf): Add newlib-stdint.h to tm_file.
7364 2016-03-01  Richard Biener  <rguenther@suse.de>
7366         PR tree-optimization/69983
7367         * tree-chrec.c (eq_evolutions_p): Handle conversions, compare
7368         types and fall back to operand_equal_p.
7370 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7372         Revert
7373         2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7375         * config/s390/constraints.md ("jm8"): New constraint.
7376         * config/s390/predicates.md ("const_int_8bitset_operand"): New
7377         predicate.
7378         * config/s390/s390.md ("*setmem_long", "*setmem_long_and"): Merge
7379         into ...
7380         ("*setmem_long<setmem_and>"): New pattern.
7381         ("*setmem_long_31z", "*setmem_long_and_31z"): Merge
7382         into ...
7383         ("*setmem_long_31z<setmem_and>"): New pattern.
7384         * config/s390/subst.md ("setmem_31z_subst", "setmem_and_subst"):
7385         New substitution rules with the required attributes.
7388 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7390         Revert
7391         2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7393         * gensupport.c (process_substs_on_one_elem): Split loop to
7394         complete mark_operands_used_in_match_dup on all expressions in the
7395         vector first.
7396         (adjust_operands_numbers): Inline into process_substs_on_one_elem
7397         and remove function.
7399 2016-03-01  Richard Biener  <rguenther@suse.de>
7401         PR middle-end/70022
7402         * fold-const.c (fold_indirect_ref_1): Fix range checking for
7403         vector BIT_FIELD_REF extract.
7405 2016-03-01  Richard Biener  <rguenther@suse.de>
7407         PR tree-optimization/69994
7408         * tree-ssa-reassoc.c (ops_equal_values_p): Handle missing case.
7410 2016-03-01  Ilya Enkovich  <enkovich.gnu@gmail.com>
7412         PR tree-optimization/69956
7413         * tree-vect-stmts.c (supportable_widening_operation): Support
7414         multi-step conversion of boolean vectors.
7415         (supportable_narrowing_operation): Likewise.
7417 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7419         * config/s390/s390.c (s390_decompose_address): Don't accept SImode
7420         anymore.
7422 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7424         * config/s390/subst.md (DSI_VI): New mode iterator.
7425         ("addr_style_op_subst"): Use DSI_VI instead of DSI.
7426         * config/s390/vector.md ("vec_set<mode>"): Move expander before
7427         the insn definition.
7428         ("*vec_set<mode>"): Change predicate and add alternative to
7429         support only either register or const_int operands as element
7430         selector.
7431         ("*vec_set<mode>_plus"): New pattern to support reg + const_int
7432         operands.
7433         ("vec_extract<mode>"): New expander.
7434         ("*vec_extract<mode>"): New insn definition supporting reg and
7435         const_int element selectors.
7436         ("*vec_extract<mode>_plus"): New insn definition supporting
7437         reg+const_int element selectors.
7438         ("rotl<mode>3", "ashl<mode>3", "ashr<mode>3"): Merge into the
7439         following expander+insn definition.
7440         ("<vec_shifts_name><mode>3"): New expander.
7441         ("*<vec_shifts_name><mode>3<addr_style_op>"): New insn definition.
7443 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7445         * config/s390/s390.md ("*tabort_1"): Change predicate to
7446         nonmemory_operand.  Add a second alternative to cover
7447         register as well as const int operands.
7448         ("*tabort_1_plus"): New pattern definition.
7450 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7452         * config/s390/s390.md ("*ashrdi3_cc_31")
7453         ("*ashrdi3_cconly_31""*ashrdi3_cc_31_and")
7454         ("*ashrdi3_cconly_31_and", "*ashrdi3_31_and", "*ashrdi3_31"):
7455         Merge insn definitions into ...
7456         ("*ashrdi3_31<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
7457         New pattern definition.
7458         ("*ashr<mode>3_cc", "*ashr<mode>3_cconly", "ashr<mode>3", )
7459         ("*ashr<mode>3_cc_and", "*ashr<mode>3_cconly_and")
7460         ("*ashr<mode>3_and"): Merge insn definitions into ...
7461         ("*ashr<mode>3<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
7462         New pattern definition.
7463         * config/s390/subst.md ("addr_style_op_cc_subst")
7464         ("masked_op_cc_subst", "setcc_subst", "cconly_subst"): New
7465         substitutions patterns plus attributes.
7466         Add ashiftrt to SUBST iterator.
7468 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7470         * config/s390/s390.md ("<shift><mode>3"): Change predicate of
7471         op2 to nonmemory_operand.
7472         ("*<shift>di3_31", "*<shift>di3_31_and"):
7473         Merge into single pattern definition ...
7474         ("*<shift>di3_31<addr_style_op><masked_op>"): New pattern.
7475         ("*<shift><mode>3", "*<shift><mode>3_and"): Merge into single
7476         pattern definition ...
7477         ("*<shift><mode>3<addr_style_op><masked_op>"): New pattern.
7478         * config/s390/subst.md: Add ashift and lshiftrt to SUBST
7479         iterator.
7481 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7483         * config/s390/predicates.md (const_int_6bitset_operand): New
7484         predicate.
7485         * config/s390/s390.md: Include subst.md.
7486         ("rotl<mode>3"): New expander.
7487         ("rotl<mode>3", "*rotl<mode>3_and"): Merge insn definitions into
7488         ...
7489         ("*rotl<mode>3<addr_style_op><masked_op>"): New insn definition.
7490         * config/s390/subst.md: New file.
7492 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7494         * config/s390/s390.md ("op_type", "atype", "length" attributes):
7495         Remove RRR type.  It doesn't really exist.
7496         ("RRer", "f0", "v0", "vf", "vd", "op1", "Rf"): Remove mode
7497         attributes.
7498         ("BFP", "DFP", "nDSF", "nDFDI"): Add mode attributes.
7499         ("*cmp<mode>_ccs", "floatdi<mode>2", "add<mode>3")
7500         ("*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3")
7501         ("*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3")
7502         ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2")
7503         ("*abs<mode>2", "*negabs<mode>2", "sqrt<mode>2"): Override
7504         `enabled' attribute.
7506 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7508         * gensupport.c (process_substs_on_one_elem): Split loop to
7509         complete mark_operands_used_in_match_dup on all expressions in the
7510         vector first.
7511         (adjust_operands_numbers): Inline into process_substs_on_one_elem
7512         and remove function.
7514 2016-02-29  Eric Botcazou  <ebotcazou@adacore.com>
7516         PR target/69706
7517         * config/sparc/sparc.c (NWORDS_UP): Rename to...
7518         (CEIL_NWORDS): ...this.  Use CEIL macro.
7519         (compute_fp_layout): Adjust to above renaming.
7520         (function_arg_union_value): Likewise.
7521         (sparc_arg_partial_bytes): Likewise.
7522         (sparc_function_arg_advance): Likewise.
7524 2016-02-29  Jeff Law  <law@redhat.com>
7526         PR tree-optimization/70005
7527         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Handle case
7528         where an object with a boolean range is compared against a value
7529         outside [0..1].
7531         PR tree-optimization/69999
7532         * gimple-ssa-split-paths.c (split_paths): When duplicating a block
7533         with an outgoing edge marked with EDGE_IRREDUCIBLE_LOOP, schedule
7534         loop cleanups.
7536 2016-02-29  Richard Biener  <rguenther@suse.de>
7538         PR tree-optimization/69994
7539         * tree-ssa-reassoc.c (gimple_nop_conversion_p): New function.
7540         (get_unary_op): Look through nop conversions.
7541         (ops_equal_values_p): New function, look for equality diregarding
7542         nop conversions.
7543         (eliminate_plus_minus_pair): Use ops_equal_values_p
7544         (repropagate_negates): Do not use get_unary_op here.
7546 2016-02-29  Martin Liska  <mliska@suse.cz>
7548         * system.h: Poison ENABLE_CHECKING macro.
7550 2016-02-29  Martin Liska  <mliska@suse.cz>
7552         * hsa-gen.c (gen_body_from_gimple): Dump only if TDF_DETAILS
7553         is presented in dump flags.
7554         * hsa-regalloc.c (linear_scan_regalloc): Likewise.
7555         (hsa_regalloc): Likewise.
7557 2016-02-19  Richard Biener  <rguenther@suse.de>
7559         PR tree-optimization/69980
7560         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Update
7561         permutation of those we need to keep.
7563 2016-02-29  Eric Botcazou  <ebotcazou@adacore.com>
7565         PR target/69706
7566         * config/sparc/sparc.c (ROUND_ADVANCE): Rename to...
7567         (NWORDS_UP): ...this
7568         (init_cumulative_args): Minor tweaks.
7569         (sparc_promote_function_mode): Likewise.
7570         (scan_record_type): Delete.
7571         (traverse_record_type): New function template.
7572         (classify_data_t): New structure type.
7573         (classify_registers): New inline function.
7574         (function_arg_slotno): In 64-bit mode, bail out early if FP slots are
7575         exhausted.  Instantiate traverse_record_type on classify_registers and
7576         deal with the case of a structure passed in slot #15 with no FP field
7577         in the first word.
7578         (assign_data_t): New structure type.
7579         (compute_int_layout): New static function.
7580         (compute_fp_layout): Likewise.
7581         (count_registers): New inline function.
7582         (assign_int_registers): New static function.
7583         (assign_fp_registers): Likewise.
7584         (assign_registers): New inline function.
7585         (function_arg_record_value_1): Delete.
7586         (function_arg_record_value_2): Likewise.
7587         (function_arg_record_value_3): Likewise.
7588         (function_arg_record_value): Adjust to above changes.  Instantiate
7589         traverse_record_type on count_registers to first count the number of
7590         registers to be used and then on assign_registers to assign them.
7591         (function_arg_union_value): Adjust to above renaming.
7592         (sparc_function_arg_1); Minor tweaks.  Remove commented out code.
7593         (sparc_arg_partial_bytes): Adjust to above renaming.  Deal with the
7594         case of a structure passed in slot #15
7595         (sparc_function_arg_advance): Likewise.
7596         (function_arg_padding): Minor tweak.
7598 2016-02-29  Richard Biener  <rguenther@suse.de>
7600         PR tree-optimization/69720
7601         * tree-vect-loop.c (get_initial_def_for_reduction): Avoid
7602         the adjustment_def path for possibly vectorized defs.
7603         (vect_create_epilog_for_reduction): Handle vectorized initial
7604         defs properly.
7606 2016-02-28  Eric Botcazou  <ebotcazou@adacore.com>
7608         * config/i386/cygming.h (STACK_REALIGN_DEFAULT): Define.
7610 2016-02-27  Jeff Law  <law@redhat.com>
7612         Revert
7613         2016-02-26  Richard Biener  <rguenther@suse.de>
7614                     Jeff Law  <law@redhat.com>
7616         PR tree-optimization/69740
7617         * cfghooks.c (remove_edge): Request loop fixups if we delete
7618         an edge that might turn an irreducible loop into a natural
7619         loop.
7621 2016-02-27  Jakub Jelinek  <jakub@redhat.com>
7623         PR rtl-optimization/69896
7624         * tree-vect-generic.c (get_compute_type): Avoid single element
7625         vector types.
7627 2016-02-26  Evandro Menezes  <e.menezes@samsung.com>
7629         Rename the AArch64 tuning option and related functions to enable the
7630         Newton series for the reciprocal square root to reflect its
7631         approximative characteristic.
7633         * config/aarch64/aarch64-protos.h (aarch64_emit_swrsqrt): Rename
7634         function to "aarch64_emit_approx_rsqrt".
7635         * config/aarch64/aarch64-tuning-flags.def: Rename tuning flag to
7636         AARCH64_EXTRA_TUNE_APPROX_RSQRT.
7637         * config/aarch64/aarch64.c (exynosm1_tunigs): Use new flag name.
7638         (xgene1_tunings): Likewise.
7639         (use_rsqrt_p): Likewise.
7640         (aarch64_emit_swrsqrt): Use new function name.
7641         * config/aarch64/aarch64-simd.md (aarch64_rsqrts_*): Likewise.
7642         * config/aarch64/aarch64.opt (mlow-precision-recip-sqrt): Reword the
7643         text explaining this option.
7644         * doc/invoke.texi (-mlow-precision-recip-sqrt): Likewise.
7646 2016-02-26  Jakub Jelinek  <jakub@redhat.com>
7648         PR target/69969
7649         * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
7650         complain about -mallow-movmisalign without -mvsx if
7651         TARGET_ALLOW_MOVMISALIGN was not set explicitly.
7653 2016-02-26  Joel Sherrill  <joel@rtems.org>
7655         * config.gcc: Add x86_64-*-rtems*.
7656         * gcc/config/i386/rtems-64.h: New file.
7658 2016-02-26  Joel Sherrill  <joel@rtems.org>
7660         * config.gcc: Add aarch64-*-rtems*.
7661         * gcc/config/aarch64/rtems.h: New file.
7663 2016-02-26  Segher Boessenkool  <segher@kernel.crashing.org>
7665         PR target/69946
7666         * config/rs6000/rs6000.c (rs6000_insn_for_shift_mask): Print rlwinm
7667         shift amount using %h.  Add comment.
7669 2016-02-26  Richard Biener  <rguenther@suse.de>
7670             Jeff Law  <law@redhat.com>
7672         PR tree-optimization/69740
7673         * cfghooks.c (remove_edge): Request loop fixups if we delete
7674         an edge that might turn an irreducible loop into a natural
7675         loop.
7677 2016-02-26  Martin Jambor  <mjambor@suse.cz>
7679         PR middle-end/69920
7680         * tree-sra.c (sra_modify_assign): Do not remove loads of
7681         uninitialized aggregates to SSA_NAMEs.
7683 2016-02-26  Richard Henderson  <rth@redhat.com>
7685         PR target/69709
7686         * config/s390/s390.md (risbg and risbgn splitters): Allocate new
7687         pseudo in case the target rtx matches the source of the left
7688         shift.
7690 2016-02-26  Martin Jambor  <mjambor@suse.cz>
7692         PR hsa/69568
7693         * hsa.h (hsa_type_packed_p): Declare.
7694         * hsa.c (hsa_type_packed_p): New function.
7695         * hsa-gen.c (mem_type_for_type): Use unsigned type for packed
7696         loads.
7697         (gen_hsa_insns_for_store): Use hsa_type_packed_p.
7698         * hsa-brig.c (emit_basic_insn): Likewise.
7700 2016-02-26  Martin Jambor  <mjambor@suse.cz>
7702         pr hsa/69674
7703         * hsa-gen.c (gen_hsa_phi_from_gimple_phi): Use proper hsa type for
7704         pointers.
7705         (gen_hsa_addr): Allow integer constants in TMR_INDEX2.
7707 2016-02-26  Martin Jambor  <mjambor@suse.cz>
7709         * hsa.h (is_a_helper): New overload for hsa_op_immed for
7710         hsa_op_with_type operands.
7711         (hsa_unsigned_type_for_type): Declare.
7712         * hsa.c (hsa_unsigned_type_for_type): New function.
7713         * hsa-gen.c (gen_hsa_binary_operation): Use hsa_unsigned_type_for_type.
7714         (gen_hsa_insns_for_operation_assignment): Satisfy constrains of
7715         the finalizer.  Do not emit extra move.
7717 2016-02-26  Martin Jambor  <mjambor@suse.cz>
7719         * hsa-gen.c (gen_hsa_ternary_atomic_for_builtin): Fail in presence of
7720         atomic operations in private segment.
7722 2016-02-26  Martin Jambor  <mjambor@suse.cz>
7724         * omp-low.c (grid_find_ungridifiable_statement): Store problematic
7725         statements to wi->info.  Also disallow omp simd constructs.
7726         (grid_target_follows_gridifiable_pattern): Use wi.info to dump reason
7727         for not gridifying.  Dump special string for omp_for.
7729 2016-02-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7731         PR target/69245
7732         * config/aarch64/aarch64.c (aarch64_set_current_function):
7733         Save/restore target globals when switching to
7734         target_option_default_node.
7736 2016-02-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7738         PR target/69613
7739         * config/aarch64/aarch64.c (aarch64_shift_truncation_mask):
7740         Return 0 if !SHIFT_COUNT_TRUNCATED.
7742 2016-02-26  Jakub Jelinek  <jakub@redhat.com>
7743             Eric Botcazou  <ebotcazou@adacore.com>
7745         PR rtl-optimization/69891
7746         * dse.c (scan_insn): If we can't figure out memset arguments
7747         or they are non-constant, call clear_rhs_from_active_local_stores.
7749 2016-02-26  Martin Liska  <mliska@suse.cz>
7751         * doc/extend.texi: Mention clog10, clog10f an clog10l
7752         in Builtins section.
7754 2016-02-26  Martin Liska  <mliska@suse.cz>
7756         * dwarf2out.c (new_loc_descr): Replace ENABLE_CHECKING with
7757         CHECKING_P.
7758         (resolve_args_picking_1): Likewise.
7759         * dwarf2out.h (struct GTY): Likewise.
7761 2016-02-26  Martin Liska  <mliska@suse.cz>
7763         * hsa-gen.c (generate_hsa): Replace ENABLE_CHECKING macro
7764         with flag_checking.
7765         * hsa-regalloc.c (linear_scan_regalloc): Likewise.
7767 2016-02-26  Markus Trippelsdorf  <markus@trippelsdorf.de>
7768             Martin Liska  <mliska@suse.cz>
7770         * doc/install.texi: Mention --enable-valgrind-annotations.
7772 2016-02-26  Richard Biener  <rguenther@suse.de>
7774         PR tree-optimization/69551
7775         * tree-ssa-structalias.c (get_constraint_for_ssa_var): When
7776         looking through aliases adjust DECL_PT_UID to refer to the
7777         ultimate alias target.
7779 2016-02-25  Martin Liska  <mliska@suse.cz>
7781         PR middle-end/69919
7782         * alloc-pool.c (after_memory_report): New variable.
7783         * alloc-pool.h (base_pool_allocator ::release): Do not use
7784         the infrastructure if after_memory_report.
7785         * toplev.c (toplev::main): Mark after memory report.
7787 2016-02-25  Richard Biener  <rguenther@suse.de>
7789         PR tree-optimization/48795
7790         * tree-vrp.c (check_array_ref): Use array_at_struct_end_p.
7792 2016-02-25  Ilya Verbin  <ilya.verbin@intel.com>
7794         PR driver/68463
7795         * config/gnu-user.h (CRTOFFLOADBEGIN): Define.  Add crtoffloadbegin.o if
7796         offloading is enabled and -fopenacc or -fopenmp is specified.
7797         (CRTOFFLOADEND): Likewise.
7798         (GNU_USER_TARGET_STARTFILE_SPEC): Add CRTOFFLOADBEGIN.
7799         (GNU_USER_TARGET_ENDFILE_SPEC): Add CRTOFFLOADEND.
7800         * lto-wrapper.c (offloadbegin, offloadend): Remove static vars.
7801         (offload_objects_file_name): New static var.
7802         (tool_cleanup): Remove offload_objects_file_name file.
7803         (find_offloadbeginend): Replace with ...
7804         (find_crtoffloadtable): ... this.
7805         (run_gcc): Remove offload_argc and offload_argv.
7806         Get offload_objects_file_name from -foffload-objects=... option.
7807         Read names of object files with offload from this file, pass them to
7808         compile_images_for_offload_targets.  Don't call find_offloadbeginend and
7809         don't pass offloadbegin and offloadend to the linker.  Don't pass
7810         offload non-LTO files to the linker, because now they're not claimed.
7812 2016-02-25  Jan Hubicka  <hubicka@ucw.cz>
7814         PR ipa/69630
7815         * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
7816         on builtin_unreachable.
7818 2016-02-25  Jakub Jelinek  <jakub@redhat.com>
7820         PR rtl-optimization/69896
7821         * regcprop.c: Include cfgrtl.h.
7822         (copyprop_hardreg_forward_1): If noop_p insn uses narrower
7823         than remembered mode, either delete it (if noop_move_p), or
7824         treat like copy_p but not noop_p instruction.
7826 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
7828         PR debug/69705
7829         * dwarf2out.c (gen_variable_die): Work around buggy LTO
7830         - allow NULL decl for Fortran DW_TAG_common_block variables.
7832 2016-02-24  Jason Merrill  <jason@redhat.com>
7834         * common.opt (flifetime-dse): Add -flifetime-dse=1.
7836 2016-02-24  Richard Biener  <rguenther@suse.de>
7837             Jakub Jelinek  <jakub@redhat.com>
7839         PR middle-end/69760
7840         * tree-scalar-evolution.c (interpret_rhs_expr): Re-write
7841         conditionally executed ops to well-defined overflow behavior.
7843 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
7845         PR middle-end/69915
7846         * tree.c (build_vector_from_ctor): Fix handling of VECTOR_CST
7847         elements.
7849 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7851         PR rtl-optimization/69886
7852         * gcse.c (can_assign_to_reg_without_clobbers_p): Accept mode
7853         argument.  Use it when checking validity of set instructions.
7854         (want_to_gcse_p): Pass mode to can_assign_to_reg_without_clobbers_p.
7855         (compute_ld_motion_mems): Update can_assign_to_reg_without_clobbers_p
7856         callsite.
7857         * rtl.h (can_assign_to_reg_without_clobbers_p): Update prototype.
7858         * store-motion.c (find_moveable_store): Update
7859         can_assign_to_reg_without_clobbers_p callsite.
7861 2016-02-24  Richard Biener  <rguenther@suse.de>
7863         PR middle-end/68963
7864         * tree-ssa-loop-niter.c (derive_constant_upper_bound_ops): Fix
7865         bogus check.
7866         (record_nonwrapping_iv): Do not fall back to the low/high bound
7867         for non-constant IV bases if the stmt is not always executed.
7869 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7871         * config/arm/arm-cores.def (cortex-a32): New entry.
7872         * config/arm/arm-tables.opt: Regenerate.
7873         * config/arm/arm-tune.md: Regenerate.
7874         * config/arm/bpabi.h (BE8_LINK_SPEC): Add mcpu=cortex-a32.
7875         * config/arm/t-aprofile: Handle mcpu=cortex-a32.
7876         * doc/invoke.texi (ARM Options): Document cortex-a32 as value
7877         for -mcpu and -mtune.
7879 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7881         PR target/69875
7882         * config/arm/arm.h (TARGET_HAVE_LPAE): Define.
7883         * config/arm/unspecs.md (VUNSPEC_LDRD_ATOMIC): New value.
7884         * config/arm/sync.md (arm_atomic_loaddi2_ldrd): New pattern.
7885         (atomic_loaddi_1): Delete.
7886         (atomic_loaddi): Rewrite expander using the above changes.
7888 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
7890         PR c/69918
7891         * params.def (PARAM_MAX_SSA_NAME_QUERY_DEPTH): Bump default from
7892         2 to 3.
7894 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
7895             Richard Biener  <rguenth@suse.de>
7897         PR middle-end/69909
7898         * expr.c (expand_expr_real_1) <normal_inner_ref>: Avoid
7899         set_mem_attributes if tem is SSA_NAME which got expanded
7900         as a MEM.
7902 2016-02-24  Richard Biener  <rguenther@suse.de>
7904         PR tree-optimization/69907
7905         * tree-vect-stmts.c (vectorizable_load): Check for gaps at the
7906         end of permutations for BB vectorization.
7908 2016-02-24  Christian Bruel  <christian.bruel@st.com>
7910         * config/arm/arm-c.c (arm_option_override): Initialize
7911         target_option_current_node.
7912         * config/arm/arm.c (arm_pragma_target_parse): Replace
7913         build_target_option_node call by target_option_current_node.
7914         Set target_option_current_node.
7915         Fix comments.
7917 2016-02-23  David Edelsohn  <dje.gcc@gmail.com>
7919         PR target/69810
7920         * config/rs6000/rs6000.md (zero_extendqi<mode>2_dot): Convert from
7921         define_insn_and_split to define_insn.
7922         (zero_extendqi<mode>2_dot2): Same.
7923         (extendqi<mode>2_dot): Same.
7924         (extendqi<mode>2_dot2): Same.
7926 2016-02-23  Evandro Menezes  <e.menezes@samsung.com>
7928         * config/arm/exynos-m1.md: Change cost of STP, fix bypass for stores
7929         and add bypass for AES{D,E} and AESMC pairs.
7930         * config/aarch64/aarch64.c (exynosm1_tunings): Enable fusion of AES{D,E}
7931         and AESMC pairs.
7933 2016-02-23  Evandro Menezes  <e.menezes@samsung.com>
7935         * config/aarch64/aarch64.c (exynosm1_tunings): Enable the Newton
7936         series for reciprocal square root in Exynos M1.
7938 2016-02-23  Martin Sebor  <msebor@redhat.com>
7940         PR c/69759
7941         * doc/extend.texi (Other Builtins): Document __builtin_alloca and
7942         __builtin_alloca_with_align.
7944 2016-02-23  Richard Henderson  <rth@redhat.com>
7946         * config/i386/i386-c.c (ix86_target_macros): Remove __SEG_TLS.
7947         (ix86_register_pragmas): Remove __seg_tls.
7948         * config/i386/i386-protos.h (ADDR_SPACE_SEG_TLS): Remove.
7949         * config/i386/i386.c (ix86_print_operand_address_as): Don't handle it.
7950         (ix86_addr_space_subset_p, TARGET_ADDR_SPACE_SUBSET_P): Remove.
7951         (ix86_addr_space_convert, TARGET_ADDR_SPACE_CONVERT): Remove.
7952         (ix86_addr_space_debug, TARGET_ADDR_SPACE_DEBUG): Remove.
7953         * doc/extend.texi (__seg_tls): Remove item.
7955 2016-02-23  Richard Biener  <rguenther@suse.de>
7957         * alloc-pool.h (struct allocation_object): Make id member
7958         conditional on CHECKING_P again.
7959         (get_instance): Adjust.
7960         (base_pool_allocator): Likewise.
7962 2016-02-23  Thomas Schwinge  <thomas@codesourcery.com>
7964         * tree-parloops.c (create_parallel_loop, gen_parallel_loop)
7965         (parallelize_loops): In OpenACC kernels mode, set n_threads to
7966         zero.
7967         (pass_parallelize_loops::gate): In OpenACC kernels mode, gate on
7968         flag_openacc.
7969         * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
7971 2016-02-23  Richard Biener  <rguenther@suse.de>
7973         * mem-stats.h (struct mem_usage): Use PRIu64 for printing size_t.
7974         * bitmap.h (struct bitmap_usage): Likewise.
7975         (bitmap_move): Declare.
7976         * bitmap.c (register_overhead): Take size_t argument.
7977         (bitmap_move): New function.
7978         * df-problems.c (df_rd_transfer_function): Use bitmap_move
7979         to properly account overhead.
7980         * tree.c (free_node): Use tree_size.
7982 2016-02-23  Jakub Jelinek  <jakub@redhat.com>
7984         PR c++/69902
7985         * fold-const.c (fold_truth_not_expr): Propagate TREE_NO_WARNING
7986         when inverting comparison.
7988         PR c/69900
7989         * common.opt (Wunreachable-code): Add Warning flag.
7991 2016-02-23  Mark Wielaard  <mjw@redhat.com>
7992             Jakub Jelinek  <jakub@redhat.com>
7994         PR c/69911
7995         * cgraphunit.c (check_global_declaration): Check main_input_filename
7996         and DECL_SOURCE_FILE are not NULL.
7998 2016-02-23  Martin Jambor  <mjambor@suse.cz>
8000         PR tree-optimization/69666
8001         * tree-sra.c (sra_modify_assign): Do not attempt to create
8002         default_def replacements for unscalarizable regions.
8004 2016-02-20  Mark Wielaard  <mjw@redhat.com>
8006         PR c/28901
8007         * cgraphunit.c (check_global_declaration): Check level of
8008         warn_unused_const_variable and main_input_filename.
8009         * doc/invoke.texi (Warning Options): Add -Wunused-const-variable=.
8010         (-Wunused-variable): For C implies -Wunused-const-variable=1.
8011         (-Wunused-const-variable): Explain levels 1 and 2.
8013 2016-02-22  Jakub Jelinek  <jakub@redhat.com>
8015         PR target/69888
8016         * config/i386/i386.c (decide_alg): Ensure we don't recurse with
8017         identical arguments.  Formatting and spelling fixes.
8019         PR target/69885
8020         * doc/md.texi (ashl@var{m}3): Document that mode of operand 2 must
8021         be specified.
8023         PR target/69894
8024         PR target/69895
8025         * config/m68k/t-opts (OPTIONS_H_EXTRA): Add m68k-microarchs.def
8026         and m68k-devices.def.
8027         * config/c6x/t-c6x (OPTIONS_H_EXTRA): Add c6x-isas.def.
8028         * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add aarch64-arches.def.
8030 2016-02-22  Cesar Philippidis  <cesar@codesourcery.com>
8032         * config/nvptx/nvptx.c (nvptx_gen_shuffle): Add support for QImode
8033         and HImode registers.
8035 2016-02-22  Richard Biener  <rguenther@suse.de>
8037         PR tree-optimization/69882
8038         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Properly
8039         preserve permutations present because of gaps.
8040         (vect_supported_load_permutation_p): Always continue checking
8041         permutations after vect_attempt_slp_rearrange_stmts.
8043 2016-02-22  Bin Cheng  <bin.cheng@arm.com>
8045         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Dump
8046         min_profitable_estimate, rather than min_profitable_iters.
8048 2016-02-22  Jakub Jelinek  <jakub@redhat.com>
8050         PR target/69885
8051         * config/m68k/m68k.md (ashldi3, ashrdi3, lshrdi3): Use
8052         SImode for last match_operand.
8054 2016-02-22  Martin Liska  <mliska@suse.cz>
8056         * hsa-gen.c (gen_hsa_clrsb): In case of zero value,
8057         return bitsize - 1 as the return value.
8059 2016-02-22  Oleg Endo  <olegendo@gcc.gnu.org>
8061         PR target/69806
8062         PR target/54089
8063         * config/sh/sh.c (sh_lshrsi_clobbers_t_reg_p, sh_dynamicalize_shift_p):
8064         Handle negative shift counts.
8065         * config/sh/sh.md (ashlsi3, lshrsi3_n, lshrsi3_n_clobbers_t): Don't use
8066         force_reg on the shift constant.
8067         (lshrsi3): Likewise.  Expand into lshrsi3_n* instead of lshrsi3_d.
8068         (lshrsi3_d): Handle negative shift counts.
8070 2016-02-22  Richard Biener  <rguenther@suse.de>
8071             Tom de Vries  <tom@codesourcery.com>
8073         * graph.c: Include dumpfile.h.
8074         (print_graph_cfg): Split into three overloads.
8075         * gdbhooks.py (class DotFn): Add and instantiate, adding command dot-fn.
8077 2016-02-22  Tom de Vries  <tom@codesourcery.com>
8079         * gdbhooks.py (class DumpFn): Add and instantiate, adding command
8080         dump-fn.
8082 2016-02-22  Richard Biener  <rguenther@suse.de>
8084         PR ipa/37448
8085         * ipa-inline-transform.c (inline_call): When not updating
8086         overall summaries adjust self size by the growth estimate.
8087         * ipa-inline.c (inline_to_all_callers_1): Add to the callers
8088         hash-set, do not update overall summaries here.  Renamed from ...
8089         (inline_to_all_callers): ... this which is now wrapping the
8090         above and performing delayed overall summary update.
8091         (early_inline_small_functions): Delay updating of the overall
8092         summary.
8094 2016-02-21  Markus Trippelsdorf  <markus@trippelsdorf.de>
8096         * tree-chkp.c (chkp_mark_invalid_bounds_walker): Initialize
8097         variable.
8099 2016-02-19  Jakub Jelinek  <jakub@redhat.com>
8101         PR driver/69805
8102         * gcc.c (LINK_COMMAND_SPEC, GOMP_SELF_SPECS): Use
8103         :%* in %:gt() argument.
8104         (greater_than_spec_func): Adjust for expecting only numbers,
8105         if there are more than two numbers, compare the last two.
8107 2016-02-19  Jonathan Wakely  <jwakely@redhat.com>
8109         * doc/invoke.texi (C++ Dialect Options): Clarify interaction of
8110         -Wnarrowing with -std.
8112 2016-02-19  Jakub Jelinek  <jakub@redhat.com>
8114         PR c++/69851
8115         * expr.c (store_field): Don't use bit-field path if exp is
8116         COMPONENT_REF with TREE_ADDRESSABLE type, where TYPE_SIZE is
8117         different from bitsize, but DECL_SIZE of FIELD_DECL is bitsize
8118         and the assignment can be performed by bitwise copy.  Formatting
8119         fix.
8121         PR middle-end/69838
8122         * lra.c (lra_process_new_insns): If non-call exceptions are enabled,
8123         call copy_reg_eh_region_note_forward on before and/or after sequences
8124         and remove note from insn if it no longer can throw.
8126         PR target/69820
8127         * config/i386/sse.md (VI_512): Only include V64QImode and V32HImode
8128         if TARGET_AVX512BW.
8130 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8132         * config/s390/vector.md: Add missing commutative operand markers
8133         to the patterns which qualify for one.
8134         * config/s390/vx-builtins.md: Likewise.
8136 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8138         * config/s390/vector.md (VI, VI_QHS): Add single element vector
8139         types to mode iterators.
8140         (vec_double): ... and mode attribute.
8141         * config/s390/vx-builtins.md (non_vec_int): Likewise.
8143 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8145         * config/s390/vector.md ("<ti*>add<mode>3", "<ti*>sub<mode>3"):
8146         Change the predicate of op2 from nonimmediate to general and let
8147         reload fix it if necessary.
8149 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8151         * config/s390/vecintrin.h (vec_sub_u128): Define missing macro.
8153 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8155         * config/s390/s390.c (s390_expand_vcond): Use the compare operand
8156         mode.
8158 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8160         * config/s390/s390-protos.h: Add s390_expand_vec_movstr prototype.
8161         * config/s390/s390.c (s390_expand_vec_movstr): New function.
8162         * config/s390/s390.md ("movstr<P:mode>"): Call
8163         s390_expand_vec_movstr.
8165 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8167         * config/s390/s390.md: Add missing output modifier for operand 1
8168         to print it as address properly.
8170 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8172         * config/s390/2827.md: Rename ooo_* insn attributes to zEC12_*.
8173         * config/s390/2964.md: New file.
8174         * config/s390/s390.c (s390_get_sched_attrmask): Use the right set
8175         of insn grouping attributes depending on the CPU level.
8176         (s390_get_unit_mask): New function.
8177         (s390_sched_score): Remove the OOO from the scheduling macros.
8178         Add loop to calculate a score for the instruction mix.
8179         (s390_sched_reorder): Likewise plus improve debug output.
8180         (s390_sched_variable_issue): Rename macros as above.  Calculate
8181         the unit distances after actually scheduling an insn.  Improve
8182         debug output.
8183         (s390_sched_init): Clear last_scheduled_unit_distance array.
8184         * config/s390/s390.md: Include 2964.md.
8186 2016-02-18  Jakub Jelinek  <jakub@redhat.com>
8188         PR target/69671
8189         * config/i386/sse.md (*<floatsuffix>floatv2div2sf2_mask_1,
8190         *avx512vl_<code>v2div2qi2_mask_1, *avx512vl_<code><mode>v4qi2_mask_1,
8191         *avx512vl_<code><mode>v8qi2_mask_1, *avx512vl_<code><mode>v4hi2_mask_1,
8192         *avx512vl_<code>v2div2hi2_mask_1, *avx512vl_<code>v2div2si2_mask_1,
8193         *avx512f_<code>v8div16qi2_mask_1): New insns.
8195 2016-02-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
8197         PR target/68404
8198         * config/rs6000/predicates.md (fusion_gpr_addis): Revert
8199         2016-02-09 change.
8201         * config/rs6000/rs6000.md (fusion_gpr_load_<mode>): Remove
8202         earlyclobber from target.  Use wF constraint for fused memory
8203         address.
8204         (fusion_gpr_<P:mode>_<GPR_FUSION:mode>_load): Likewise.
8206 2016-02-18  Jakub Jelinek  <jakub@redhat.com>
8207             Martin Liska  <mliska@suse.cz>
8209         PR sanitizer/69863
8210         * cfgexpand.c (asan_sanitize_stack_p): New function.
8211         (partition_stack_vars): Use the function.
8212         (expand_stack_vars): Likewise.
8213         (defer_stack_allocation): Likewise.
8214         (expand_used_vars): Likewise.
8216 2016-02-18  Richard Biener  <rguenther@suse.de>
8218         PR middle-end/69553
8219         * fold-const.c (operand_equal_p): Properly compare offsets for
8220         IMAGPART_EXPR and ARRAY_REF.
8222 2016-02-18  Nick Clifton  <nickc@redhat.com>
8224         PR target/62254
8225         PR target/69610
8226         * config/arm/arm.c (arm_option_override_internal): Disable
8227         interworking if the target does not support thumb instructions.
8228         (arm_reload_in_hi): Handle the case where a register to register
8229         move needs reloading because there is no simple pattern to handle
8230         it.
8231         (arm_reload_out_hi): Likewise.
8233 2016-02-18  Richard Biener  <rguenther@suse.de>
8235         PR middle-end/69854
8236         * match.pd: Don't use fold_binary or fold_unary for folding
8237         constants.
8239 2016-02-17  Jakub Jelinek  <jakub@redhat.com>
8241         PR c++/69850
8242         * gimplify.c (gimplify_cond_expr): Call gimple_set_no_warning
8243         on the cond_stmt from TREE_NO_WARNING on COND_EXPR_COND.
8244         * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Don't
8245         warn on gimple_no_warning_p statements.
8247 2016-02-17  Jonathan Wakely  <jwakely@redhat.com>
8249         * doc/extend.texi (C++ Attributes): Correct description of
8250         warn_unused type attribute.
8252 2016-02-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8254         * config/rs6000/altivec.md (*altivec_lvxl_<mode>_internal): Output
8255         correct instruction.
8257 2016-02-17  Richard Biener  <rguenther@suse.de>
8259         PR rtl-optimization/69609
8260         * bb-reorder.c (struct bbro_basic_block_data): Add priority member.
8261         (find_traces_1_round): When ending a trace update cached priority
8262         of successors.
8263         (bb_to_key): Use cached priority when available.
8264         (copy_bb): Initialize cached priority.
8265         (reorder_basic_blocks_software_trace_cache): Likewise.
8267 2016-02-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8269         PR target/69161
8270         * config/aarch64/predicates.md (aarch64_comparison_operator_mode):
8271         New predicate.
8272         (aarch64_comparison_operator): Break overly long line into two.
8273         (aarch64_comparison_operation): Likewise.
8274         * config/aarch64/aarch64.md (cstorecc4): Use
8275         aarch64_comparison_operator_mode instead of
8276         aarch64_comparison_operator.
8277         (cstore<mode>4): Likewise.
8278         (aarch64_cstore<mode>): Likewise.
8279         (*cstoresi_insn_uxtw): Likewise.
8280         (cstore<mode>_neg): Likewise.
8281         (*cstoresi_neg_uxtw): Likewise.
8283 2016-02-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8285         PR target/69161
8286         * config/arm/predicates.md (arm_comparison_operator_mode):
8287         New predicate.
8288         * config/arm/arm.md (*mov_scc): Use arm_comparison_operator_mode
8289         instead of arm_comparison_operator.
8290         (*mov_negscc): Likewise.
8291         (*mov_notscc): Likewise.
8292         * config/arm/thumb2.md (*thumb2_mov_scc): Likewise.
8293         (*thumb2_mov_negscc): Likewise.
8294         (*thumb2_mov_negscc_strict_it): Likewise.
8295         (*thumb2_mov_notscc): Likewise.
8296         (*thumb2_mov_notscc_strict_it): Likewise.
8298 2016-02-17  Wilco Dijkstra  <wdijkstr@arm.com>
8300         * config/aarch64/aarch64.c (aarch64_internal_mov_immediate):
8301         Add missing return.
8303 2016-02-17  Eric Botcazou  <ebotcazou@adacore.com>
8305         * config/visium/visium.c (machine_libfunc_index): New enum.
8306         (machine_libfuncs): New structure.
8307         (visium_libfuncs): New static variable.
8308         (TARGET_INIT_LIBFUNCS): Define to...
8309         (visium_init_libfuncs): ...this.  New function.
8310         (expand_block_move_4): Use the appropriate libfunc.
8311         (expand_block_move_2): Likewise.
8312         (expand_block_move_1): Likewise.
8313         (expand_block_set_4): Likewise.
8314         (expand_block_set_2): Likewise.
8315         (expand_block_set_1): Likewise.
8316         (visium_trampoline_init): Likewise.
8318 2016-02-17  Nick Clifton  <nickc@redhat.com>
8320         * config/msp430/msp430.c (msp430_mcu_data): Sync with data from
8321         TI's devices.csv file as of March 2016.
8323 2016-02-16  Kelvin Nilsen  <kelvin@gcc.gnu.org>
8325         PR Target/48344
8326         * opts-global.c (handle_common_deferred_options): Introduce and
8327         initialize two global variables to remember command-line options
8328         specifying a stack-limiting register.
8329         * opts.h: Add extern declarations of the two new global variables.
8330         * emit-rtl.c (init_emit_once): Initialize the stack_limit_rtx
8331         variable based on the values of the two new global variables.
8333 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
8335         PR c/69835
8336         * common.opt (Wnonnull-compare): New warning.
8337         * doc/invoke.texi (-Wnonnull): Remove text about comparison
8338         of arguments against NULL.
8339         (-Wnonnull-compare): Document.
8340         * Makefile.in (OBJS): Add gimple-ssa-nonnull-compare.o.
8341         * tree-pass.h (make_pass_warn_nonnull_compare): Declare.
8342         * passes.def (pass_warn_nonnull_compare): Add.
8343         * gimple-ssa-nonnull-compare.c: New file.
8345 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
8347         * config/aarch64/aarch64.c (cortexa57_tunings): Remove
8348         AARCH64_EXTRA_TUNE_RECIP_SQRT.
8350 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
8352         * config/aarch64/aarch64.c (use_rsqrt_p): Always use software
8353         reciprocal sqrt for -mlow-precision-recip-sqrt.
8355 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
8356             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
8358         * config/aarch64/aarch64.c (aarch64_expand_vector_init): Refactor,
8359         always use lane loads to construct non-constant vectors.
8361 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
8363         * config/aarch64/aarch64.md
8364         (arch64_sqrdml<SQRDMLH_AS:rdma_as>h_lane<mode>): Fix register
8365         constraints for operand 3.
8366         (aarch64_sqrdml<SQRDMLH_AS:rdma_as>h_laneq<mode>): Likewise.
8368 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
8369             Richard Biener  <rguenther@suse.de>
8371         PR tree-optimization/69820
8372         * tree-vect-patterns.c (type_conversion_p): Return false if
8373         *orig_type is unsigned single precision or boolean.
8374         (vect_recog_dot_prod_pattern, vect_recog_widen_mult_pattern):
8375         Formatting fix.
8377 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
8379         PR rtl-optimization/69764
8380         PR rtl-optimization/69771
8381         * optabs.c (expand_binop): Ensure for shift optabs invalid CONST_INT
8382         op1 is valid for GET_MODE_INNER (mode) and force it into a reg.
8384 2016-02-16  Richard Biener  <rguenther@suse.de>
8386         PR tree-optimization/69776
8387         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Get alias
8388         sets from caller.
8389         (indirect_refs_may_alias_p): Likewise.
8390         (refs_may_alias_p_1): Pass alias sets as from ao_ref.
8391         * tree-ssa-sccvn.c (vn_reference_lookup): Also adjust vr alias-set
8392         according to tbaa_p.
8393         * tree-ssa-dom.c (lookup_avail_expr): Add tbaa_p flag.
8394         (optimize_stmt): For redundant store discovery do not allow tbaa.
8396 2016-02-16  Bernd Schmidt  <bschmidt@redhat.com>
8398         PR tree-optimization/69714
8399         * tree-ssa-math-opts.c (find_bswap_or_nop): Revert previous change.
8400         Return NULL if we have irrelevant high bytes on BIG_ENDIAN.
8402 2016-02-16  Claudiu Zissulescu  <claziss@synopsys.com>
8404         * config/arc/arc-modes.def (CC_FPU, CC_FPU_UNEQ): New modes.
8405         * config/arc/arc-opts.h (FPU_SP, FPU_SF, FPU_SC, FPU_SD, FPU_DP)
8406         (FPU_DF, FPU_DC, FPU_DD, FXP_DP): Define.
8407         * config/arc/arc.c (arc_init): Check FPU options.
8408         (get_arc_condition_code): Handle new CC_FPU* modes.
8409         (arc_select_cc_mode): Likewise.
8410         (arc_conditional_register_usage): Allow 64 bit datum into even-odd
8411         register pair only. Allow access for ARCv2 accumulator.
8412         (gen_compare_reg): Whenever we have FPU support use FPU compare
8413         instructions.
8414         (arc_reorg): Don't generate brcc insns when FPU compare
8415         instructions are involved.
8416         * config/arc/arc.h (TARGET_DPFP): Add TARGET_FP_DPAX condition.
8417         (TARGET_OPTFPE): Add condition when ARC EM can use optimized
8418         floating point emulation.
8419         (ACC_REG_FIRST, ACC_REG_LAST, ACCL_REGNO, ACCH_REGNO): Define.
8420         (REVERSE_CONDITION): Add new CC_FPU* modes.
8421         (TARGET_FP_SP_BASE): Define.
8422         (TARGET_FP_DP_BASE): Likewise.
8423         (TARGET_FP_SP_FUSED): Likewise.
8424         (TARGET_FP_DP_FUSED): Likewise.
8425         (TARGET_FP_SP_CONV): Likewise.
8426         (TARGET_FP_DP_CONV): Likewise.
8427         (TARGET_FP_SP_SQRT): Likewise.
8428         (TARGET_FP_DP_SQRT): Likewise.
8429         (TARGET_FP_DP_AX): Likewise.
8430         * config/arc/arc.md (ARCV2_ACC): New constant.
8431         (type): New fpu type attribute.
8432         (SDF): Conditional iterator.
8433         (cstore<mode>, cbranch<mode>): Change expand condition.
8434         (addsf3, subsf3, mulsf3, adddf3, subdf3, muldf3): New expands,
8435         handles FPU/FPX cases as well.
8436         * config/arc/arc.opt (mfpu): New option.
8437         * config/arc/fpx.md (addsf3_fpx, subsf3_fpx, mulsf3_fpx):
8438         Renamed.
8439         (adddf3, muldf3, subdf3): Removed.
8440         * config/arc/predicates.md (proper_comparison_operator): Recognize
8441         CC_FPU* modes.
8442         * config/arc/fpu.md: New file.
8443         * doc/invoke.texi (ARC Options): Document mfpu option.
8445 2016-02-16  Richard Biener  <rguenther@suse.de>
8447         PR rtl-optimization/69291
8448         * ifcvt.c (noce_try_store_flag_constants): Re-instantiate
8449         noce_operand_ok check.
8451 2016-02-16  Tom de Vries  <tom@codesourcery.com>
8453         PR lto/67709
8454         * omp-low.c (simd_clone_create): Remove call to
8455         symtab->call_cgraph_insertion_hooks.
8457 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
8459         PR tree-optimization/69802
8460         * tree-ssa-reassoc.c (update_range_test): If op is
8461         SSA_NAME_IS_DEFAULT_DEF, give up unless tem is a positive
8462         op == 1 test of precision 1 integral op, otherwise handle
8463         that case as op itself.  Fix up formatting.
8464         (optimize_range_tests_to_bit_test, optimize_range_tests): Fix
8465         up formatting.
8467 2016-02-16  Richard Biener  <rguenther@suse.de>
8469         PR tree-optimization/69586
8470         * tree-vrp.c (register_edge_assert_for_2): Handle all integral
8471         types for conversion sources.
8473 2016-02-16  Richard Biener  <rguenther@suse.de>
8475         PR middle-end/69801
8476         * fold-const.c (operand_equal_p): For COND_EXPR zero operand
8477         mask OEP_ADDRESS_OF.
8479 2016-02-16  Alan Modra  <amodra@gmail.com>
8481         PR target/68973
8482         * config/rs6000/rs6000.md (reload_vsx_from_gprsf): Rewrite splitter.
8483         (p8_mtvsrd_df, p8_mtvsrd_sf): New.
8484         (p8_mtvsrd_1, p8_mtvsrd_2): Delete.
8485         (p8_mtvsrwz): New.
8486         (p8_mtvsrwz_1, p8_mtvsrwz_2): Delete.
8487         (p8_xxpermdi_<mode>): Take two DF inputs rather than one TF.
8488         (p8_fmrgow_<mode>): Likewise.
8489         (reload_vsx_from_gpr<mode>): Make clobber IF.  Adjust for above
8490         changes.
8491         (reload_fpr_from_gpr<mode>): Similarly. Use "d" for op0 constraint.
8492         (reload_vsx_from_gprsf): Use p8_mtvsrd_sf rather than attempting
8493         to use movdi_internal64.  Remove op0_di.
8494         * config/rs6000/vsx.md (vsx_xscvspdpn_directmove): Make op1 SFmode.
8496 2016-02-15  Evandro Menezes  <e.menezes@samsung.com>
8498         Add support for the FCCMP insn types
8500         * config/aarch64/aarch64.md (fccmp): Change insn type.
8501         (fccmpe): Likewise.
8502         * config/aarch64/thunderx.md (thunderx_fcmp): Add "fccmp{s,d}" types.
8503         * config/arm/cortex-a53.md (cortex_a53_fpalu): Likewise.
8504         * config/arm/cortex-a57.md (cortex_a57_fp_cmp): Likewise.
8505         * config/arm/xgene1.md (xgene1_fcmp): Likewise.
8506         * config/arm/exynos-m1.md (exynos_m1_fp_ccmp): New insn reservation.
8507         * config/arm/types.md (fccmps): Add new insn type.
8508         (fccmpd): Likewise.
8510 2016-02-15  Bernd Edlinger  <bernd.edlinger@hotmail.de>
8512         * alias.c (get_alias_set): Fix a typo in comment.
8514 2016-02-15  Richard Biener  <rguenther@suse.de>
8516         PR tree-optimization/69595
8517         * match.pd: Complete range test simplification to true.
8519 2016-02-15  Bernd Schmidt  <bschmidt@redhat.com>
8521         PR rtl-optimization/69648
8522         * lra-constraints.c (update_ebb_live_info): Don't remove sets of
8523         pic_offset_table_rtx.
8525         PR rtl-optimization/69752
8526         * ira.c (update_equiv_regs): When looking for more than a single SET,
8527         also take other side effects into account.
8529 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
8531         * config/s390/s390.c (s390_function_profiler): Add a new sequence
8532         for z900+ CPUs in 31-bit mode.
8534 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
8536         * common/config/s390/s390-common.c (s390_supports_split_stack):
8537         New function.
8538         (TARGET_SUPPORTS_SPLIT_STACK): New macro.
8539         * config/s390/s390-protos.h: Add s390_expand_split_stack_prologue.
8540         * config/s390/s390.c (struct machine_function): New field
8541         split_stack_varargs_pointer.
8542         (s390_register_info): Mark r12 as clobbered if it'll be used as temp
8543         in s390_emit_prologue.
8544         (s390_emit_prologue): Use r12 as temp if r1 is taken by split-stack
8545         vararg pointer.
8546         (morestack_ref): New global.
8547         (SPLIT_STACK_AVAILABLE): New macro.
8548         (s390_expand_split_stack_prologue): New function.
8549         (s390_live_on_entry): New function.
8550         (s390_va_start): Use split-stack vararg pointer if appropriate.
8551         (s390_asm_file_end): Emit the split-stack note sections.
8552         (TARGET_EXTRA_LIVE_ON_ENTRY): New macro.
8553         * config/s390/s390.md (UNSPEC_STACK_CHECK): New unspec.
8554         (UNSPECV_SPLIT_STACK_CALL): New unspec.
8555         (UNSPECV_SPLIT_STACK_DATA): New unspec.
8556         (split_stack_prologue): New expand.
8557         (split_stack_space_check): New expand.
8558         (split_stack_data): New insn.
8559         (split_stack_call): New expand.
8560         (split_stack_call_*): New insn.
8561         (split_stack_cond_call): New expand.
8562         (split_stack_cond_call_*): New insn.
8564 2016-02-15  Richard Biener  <rguenther@suse.de>
8566         PR tree-optimization/69783
8567         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
8568         Add trivially correct cases.
8570 2016-02-15  Tom de Vries  <tom@codesourcery.com>
8572         PR lto/69655
8573         * lto-cgraph.c (input_offload_tables): Add and handle bool parameter
8574         do_force_output.
8575         * lto-streamer.h (input_offload_tables): Add and handle bool parameter.
8577 2016-02-15  Richard Biener  <rguenther@suse.de>
8579         PR tree-optimization/69776
8580         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
8581         * tree-ssa-sccvn.c (vn_reference_lookup): Add parameter to
8582         indicate whether we can use TBAA to disambiguate against stores.
8583         Use alias-set zero if not.
8584         (visit_reference_op_store): Do not use TBAA when looking up
8585         redundant stores.
8586         * tree-ssa-pre.c (compute_avail): Use TBAA here.
8587         (eliminate_dom_walker::before_dom_children): But not when looking
8588         up redundant stores.
8590 2016-02-14  John David Anglin  <danglin@gcc.gnu.org>
8592         * config/pa/pa.md (absqi2, absghi2, bswaphi2, bswapsi2, bswapdi2): New.
8594 2016-02-14  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
8596         *  config/i386/znver1.md
8597         (znver1_pop, znver1_pop_mem,
8598         znver1_load_imov_double_store,
8599         znver1_load_imov_direct_store,
8600         znver1_load_imov_direct_load,
8601         znver1_load_imov_double_load): Add new.
8602         (znver1_insn, znver1_insn_load): Add icmov type.
8603         (znver1_sseavx_fma,
8604         znver1_sseavx_fma_load,
8605         znver1_avx256_fma,
8606         znver1_avx256_fma_load): Fix pipe usage.
8608 2016-02-14  Alan Modra  <amodra@gmail.com>
8610         PR target/68973
8611         * reloads.c (find_reloads_address_1): For pre/post-inc/dec
8612         with an invalid hard reg, reload just the reg not the entire
8613         pre/post-inc/dec address expression.
8615 2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>
8617         PR target/67260
8618         * config/sh/sh.md (sibcall_value_pcrel): Replace =&k scratch reg with
8619         fixed R1_REG scratch reg.
8620         (sibcall_value_pcrel_fdpic): Likewise.
8622 2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>
8624         PR target/67636
8625         PR target/64345
8626         * config/sh/sh.md (*zero_extract_3): New insn_and_split pattern.
8628 2016-02-12  Walter Lee  <walt@tilera.com>
8630         * config/tilepro/t-tilepro: Replace CC_FOR_BUILD with CXX_FOR_BUILD.
8631         * config/tilegx/t-tilegx: Likewise.
8633 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
8635         PR other/69554
8636         * diagnostic-show-locus.c (struct line_span): New struct.
8637         (layout::get_first_line): Delete.
8638         (layout::get_last_line): Delete.
8639         (layout::get_num_line_spans): New member function.
8640         (layout::get_line_span): Likewise.
8641         (layout::print_heading_for_line_span_index_p): Likewise.
8642         (layout::get_expanded_location): Likewise.
8643         (layout::calculate_line_spans): Likewise.
8644         (layout::m_first_line): Delete.
8645         (layout::m_last_line): Delete.
8646         (layout::m_line_spans): New field.
8647         (layout::layout): Update comment.  Replace m_first_line and
8648         m_last_line with m_line_spans, replacing their initialization
8649         with a call to calculate_line_spans.
8650         (diagnostic_show_locus): When printing source lines and
8651         annotations, rather than looping over a single span
8652         of lines, instead loop over each line_span within
8653         the layout, with an inner loop over the lines within them.
8654         Call the context's start_span callback when changing line spans.
8655         * diagnostic.c (diagnostic_initialize): Initialize start_span.
8656         (diagnostic_build_prefix): Break out the building of the location
8657         part of the string into...
8658         (diagnostic_get_location_text): ...this new function, rewriting
8659         it from nested ternary expressions to a sequence of "if"
8660         statements.
8661         (default_diagnostic_start_span_fn): New function.
8662         * diagnostic.h (diagnostic_start_span_fn): New typedef.
8663         (diagnostic_context::start_span): New field.
8664         (default_diagnostic_start_span_fn): New prototype.
8666 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
8668         PR driver/69779
8669         * gcc.c (driver::finalize): Fix cleanup of "specs".
8671 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
8673         PR driver/69265
8674         PR driver/69453
8675         * gcc.c (driver::driver): Initialize m_option_suggestions.
8676         (driver::~driver): Clean up m_option_suggestions.
8677         (suggest_option): Convert to...
8678         (driver::suggest_option): ...this, and split out into
8679         driver::build_option_suggestions and find_closest_string.
8680         (driver::build_option_suggestions): New function, from
8681         first half of suggest_option.  Special-case
8682         OPT_fsanitize_ and OPT_fsanitize_recover_, making use of
8683         the sanitizer_opts array.  For options of enum types, add the
8684         various enum values to the candidate strings.
8685         (driver::handle_unrecognized_options): Remove "const".
8686         * gcc.h (driver::handle_unrecognized_options): Likewise.
8687         (driver::build_option_suggestions): New decl.
8688         (driver::suggest_option): New decl.
8689         (driver::m_option_suggestions): New field.
8690         * opts-common.c (add_misspelling_candidates): New function.
8691         * opts.c (sanitizer_opts): Remove decl of struct sanitizer_opts_s
8692         and make non-static.
8693         * opts.h (sanitizer_opts): New array decl.
8694         (add_misspelling_candidates): New function decl.
8695         * spellcheck.c (find_closest_string): New function.
8696         * spellcheck.h (find_closest_string): New function decl.
8698 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
8700         PR rtl-optimization/69764
8701         PR rtl-optimization/69771
8702         * optabs.c (expand_binop_directly): For shift_optab_p, force
8703         convert_modes with VOIDmode if xop1 has VOIDmode.
8705 2016-02-12  Ilya Enkovich  <enkovich.gnu@gmail.com>
8707         PR target/69729
8708         * lto-streamer-out.c (lto_output): Use thunk.add_pointer_bounds_args
8709         to correctly determine instrumentation thunks.
8711 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
8713         PR ipa/69241
8714         * ipa-split.c (split_function): If split part returns TREE_ADDRESSABLE
8715         type by reference, force lhs on the call.
8717         PR ipa/68672
8718         * ipa-split.c (split_function): Don't compute/use main_part_return_p.
8719         Compute retval and retbnd early in all cases if split_part_return_p
8720         and return_bb is not EXIT.  Remove all clobber stmts and reset
8721         all debug stmts that refer to SSA_NAMEs defined in split part,
8722         except if it is retval, in that case replace the old retval with the
8723         lhs of the call to the split part.
8725 2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
8727         revert:
8728         2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
8730         PR middle-end/66726
8731         * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
8732         whose result is used in PHI.
8733         (maybe_optimize_range_tests): Likewise.
8734         (final_range_test_p): Likweise.
8736 2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
8738         PR middle-end/66726
8739         * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
8740         whose result is used in PHI.
8741         (maybe_optimize_range_tests): Likewise.
8742         (final_range_test_p): Likweise.
8744 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
8746         * cgraph.c: Spelling fixes - behaviour -> behavior and
8747         neighbour -> neighbor.
8748         * target.def: Likewise.
8749         * sel-sched.c: Likewise.
8750         * config/mips/mips.c: Likewise.
8751         * config/arc/arc.md: Likewise.
8752         * config/arm/cortex-a57.md: Likewise.
8753         * config/arm/arm.c: Likewise.
8754         * config/arm/neon.md: Likewise.
8755         * config/arm/arm-c.c: Likewise.
8756         * config/vms/vms-c.c: Likewise.
8757         * config/s390/s390.c: Likewise.
8758         * config/i386/znver1.md: Likewise.
8759         * config/i386/i386.c: Likewise.
8760         * config/ia64/hpux-unix2003.h: Likewise.
8761         * config/msp430/msp430.md: Likewise.
8762         * config/rx/rx.c: Likewise.
8763         * config/rx/rx.md: Likewise.
8764         * config/aarch64/aarch64-simd.md: Likewise.
8765         * config/aarch64/aarch64.c: Likewise.
8766         * config/nvptx/nvptx.c: Likewise.
8767         * config/bfin/bfin.c: Likewise.
8768         * config/cris/cris.opt: Likewise.
8769         * config/rs6000/rs6000.c: Likewise.
8770         * target.h: Likewise.
8771         * spellcheck.c: Likewise.
8772         * ira-build.c: Likewise.
8773         * tree-inline.c: Likewise.
8774         * builtins.c: Likewise.
8775         * lra-constraints.c: Likewise.
8776         * explow.c: Likewise.
8777         * hwint.h: Likewise.
8778         * targhooks.c: Likewise.
8779         * tree-vect-data-refs.c: Likewise.
8780         * expr.c: Likewise.
8781         * doc/tm.texi: Likewise.
8782         * doc/extend.texi: Likewise.
8783         * doc/install.texi: Likewise.
8784         * doc/md.texi: Likewise.
8785         * tree-ssa-tail-merge.c: Likewise.
8786         * sched-int.h: Likewise.
8787         * match.pd: Likewise.
8788         * sched-ebb.c: Likewise.
8789         * target.def (omit_struct_return_reg): Likewise.
8790         * gimple-ssa-isolate-paths.c: Likewise.
8791         (find_implicit_erroneous_behaviour): Renamed to...
8792         (find_implicit_erroneous_behavior): ... this.
8793         (find_explicit_erroneous_behaviour): Renamed to...
8794         (find_explicit_erroneous_behavior): ... this.
8795         (gimple_ssa_isolate_erroneous_paths): Adjust caller.
8797 2016-02-11  Segher Boessenkool  <segher@kernel.crashing.org>
8799         PR rtl-optimization/64682
8800         PR rtl-optimization/69567
8801         PR rtl-optimization/69737
8802         * combine.c (distribute_notes) <REG_DEAD>: If the register is set
8803         in I2 as well, just lose it.
8805 2016-02-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8807         * config/aarch64/aarch64.c (aarch64_last_printed_arch_string):
8808         New variable.
8809         (aarch64_last_printed_tune_string): Likewise.
8810         (aarch64_declare_function_name): Only output .arch assembler
8811         directive if it will be different from the previously output
8812         directive.  Same for .tune comment but only if -dA is set.
8813         (aarch64_start_file): New function.
8814         (TARGET_ASM_FILE_START): Define.
8816 2016-02-11  David Malcolm  <dmalcolm@redhat.com>
8818         PR plugins/69758
8819         * Makefile.in (PLUGIN_HEADERS): Add params.list.
8821 2016-02-11  Jakub Jelinek  <jakub@redhat.com>
8823         PR target/65313
8824         * tree-vect-slp.c (vect_schedule_slp_instance): Avoid
8825         -Wmaybe-uninitialized warning.
8827 2016-02-11  Oleg Endo  <olegendo@gcc.gnu.org>
8829         PR target/69713
8830         * config/sh/sh.md (casesi_worker_0): Add T_REG use.
8832 2016-02-11  Richard Biener  <rguenther@suse.de>
8834         PR rtl-optimization/69291
8835         * ifcvt.c (noce_try_store_flag_constants): Do not allow
8836         subexpressions affected by changing the result.
8838 2016-02-10  Vladimir Makarov  <vmakarov@redhat.com>
8840         PR target/69148
8841         * lra-constraints.c (curr_insn_transform): Find in/out operands
8842         for secondary memory moves.  Update dups.
8844 2016-02-10  Yuri Rumyantsev  <ysrumyan@gmail.com>
8846         PR tree-optimization/69652
8847         * tree-vect-loop.c (optimize_mask_stores): Move declaration of STMT1
8848         to nested loop, did source re-formatting, skip debug statements,
8849         add check on statement with volatile operand, remove dead scalar
8850         statements.
8852 2016-02-10  Jakub Jelinek  <jakub@redhat.com>
8853             Patrick Palka  <ppalka@gcc.gnu.org>
8855         PR ipa/69241
8856         PR c++/69649
8857         * gimplify.c (gimplify_modify_expr): Set lhs even for noreturn
8858         calls if the return type is TREE_ADDRESSABLE.
8859         * cgraphunit.c (cgraph_node::expand_thunk): Likewise.
8860         * ipa-split.c (split_function): Fix doubled "we" in comment.
8861         Use void return type for the split part even if
8862         !split_point->split_part_set_retval.
8864 2016-02-10  Bin Cheng  <bin.cheng@arm.com>
8866         PR tree-optimization/68021
8867         * tree-ssa-loop-ivopts.c (get_computation_aff): Set ratio to 1 if
8868         when computing the value of biv cand by itself.
8870 2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>
8872         * config/aarch64/aarch64.c (cortexa53_tunings): Enable AES fusion.
8873         (cortexa57_tunings): Likewise.
8874         (cortexa72_tunings): Likewise.
8875         (arch_macro_fusion_pair_p): Add support for AES fusion.
8876         * config/aarch64/aarch64-fusion-pairs.def: Add AES_AESMC entry.
8877         * config/arm/aarch-common.c (aarch_crypto_can_dual_issue):
8878         Allow virtual registers before reload so early scheduling works.
8879         * config/arm/cortex-a57.md (cortex_a57_crypto_simple): Use
8880         correct latency and pipeline.
8881         (cortex_a57_crypto_complex): Likewise.
8882         (cortex_a57_crypto_xor): Likewise.
8883         (define_bypass): Add AES bypass.
8885 2016-02-10  Richard Biener  <rguenther@suse.de>
8887         PR tree-optimization/69726
8888         * passes.def: Add DCE pass before late uninit.
8889         * match.pd: Add A ? B : (!A ? C : X) -> A ? B : C patterns to
8890         really fixup if-conversions job.
8892 2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>
8894         * config/arm/arm.c (arm_cortex_a53_tune): Enable AES fusion.
8895         (arm_cortex_a57_tune): Likewise.
8896         (aarch_macro_fusion_pair_p): Add support for AES fusion.
8897         * config/arm/arm-protos.h (fuse_ops): Add FUSE_AES_AESMC.
8899 2016-02-10  Eric Botcazou  <ebotcazou@adacore.com>
8901         * timevar.def (TV_PHASE_DBGINFO): Delete.
8902         (TV_PHASE_CHECK_DBGINFO): Likewise.
8903         * varpool.c (varpool_node::assemble_decl): Do not change timevar.
8905 2016-02-10  Richard Biener  <rguenther@suse.de>
8907         PR tree-optimization/69719
8908         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
8909         Adjust previous fix by ensuring that dr_a1 is left of dr_a2.
8911 2016-02-09  Andrew Pinski  <apinski@cavium.com>
8913         PR tree-opt/69282
8914         * optabs-tree.c (expand_vec_cond_expr_p): Don't early return if
8915         get_vcond_mask_icode returns false.
8917 2016-02-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
8919         PR target/68404
8920         * config/rs6000/predicates.md (fusion_gpr_addis): Prevent fusing
8921         an ADDIS that adds a pointer to a large constant that sets the
8922         upper16 bits with a load operation.
8924 2016-02-09  Charles Baylis  <charles.baylis@linaro.org>
8926         PR target/68532
8927         * config/arm/arm.c (arm_evpc_neon_vzip): Allow for big endian lane
8928         order.
8929         * config/arm/arm_neon.h (vzipq_s8): Adjust shuffle patterns for big
8930         endian.
8931         (vzipq_s16): Likewise.
8932         (vzipq_s32): Likewise.
8933         (vzipq_f32): Likewise.
8934         (vzipq_u8): Likewise.
8935         (vzipq_u16): Likewise.
8936         (vzipq_u32): Likewise.
8937         (vzipq_p8): Likewise.
8938         (vzipq_p16): Likewise.
8940 2016-02-09  Charles Baylis  <charles.baylis@linaro.org>
8942         PR target/68532
8943         * config/arm/arm.c (neon_endian_lane_map): New function.
8944         (neon_vector_pair_endian_lane_map): New function.
8945         (arm_evpc_neon_vuzp): Allow for big endian lane order.
8946         * config/arm/arm_neon.h (vuzpq_s8): Adjust shuffle patterns for big
8947         endian.
8948         (vuzpq_s16): Likewise.
8949         (vuzpq_s32): Likewise.
8950         (vuzpq_f32): Likewise.
8951         (vuzpq_u8): Likewise.
8952         (vuzpq_u16): Likewise.
8953         (vuzpq_u32): Likewise.
8954         (vuzpq_p8): Likewise.
8955         (vuzpq_p16): Likewise.
8957 2016-02-11  Alexandre Oliva  <aoliva@redhat.com>
8959         PR target/69634
8960         * regstat.c (regstat_bb_compute_calls_crossed): Disregard
8961         debug insns.
8963 2016-02-09  Uros Bizjak  <ubizjak@gmail.com>
8965         * config/i386/i386.md (insv<mode>_1): Use gen_int_mode to
8966         truncate const_int operand 1 to QImode.
8968 2016-02-09  Eric Botcazou  <ebotcazou@adacore.com>
8970         * gimple-ssa-backprop.c (optimize_phi): Do not replace an argument
8971         corresponding to an abnormal edge.
8973 2016-02-09  Tom de Vries  <tom@codesourcery.com>
8975         PR tree-optimization/69599
8976         * tree-ssa-structalias.c (fndecl_maybe_in_other_partition): New
8977         function.
8978         (find_func_aliases_for_builtin_call, find_func_clobbers)
8979         (ipa_pta_execute):  Handle case that foo and foo._0 are not in same lto
8980         partition.
8982 2016-02-09  Richard Biener  <rguenther@suse.de>
8984         PR tree-optimization/69715
8985         * tree-ssa.c (execute_update_addresses_taken): Mark non-decl
8986         LHS on calls as non-rewritable.
8988 2016-02-09  Tom de Vries  <tom@codesourcery.com>
8990         PR lto/69707
8991         * lto-wrapper.c (append_diag_options): New function.
8992         (compile_offload_image): Call append_diag_options.
8994 2016-02-08  Sandra Loosemore  <sandra@codesourcery.com>
8996         PR other/69722
8997         * doc/extend.texi (Flag Output Operands): Correct sectioning.
8998         Minor copy-edit to fix verb tenses.
9000 2016-02-08  Jakub Jelinek  <jakub@redhat.com>
9002         PR tree-optimization/69209
9003         * ipa-split.c (split_function): If split part is not
9004         returning retval, retval has gimple type but is not
9005         gimple value, force it into a SSA_NAME first.
9007 2016-02-08  Nicklas Bo Jensen  <nbjensen@gmail.com>
9009         * doc/tree-ssa.texi (Preserving the virtual SSA form): Remove
9010         outdated section.
9012 2016-02-08  Jason Merrill  <jason@redhat.com>
9014         PR c++/69631
9015         * convert.c (convert_to_integer_1): Check dofold on truncation
9016         distribution.
9017         (convert_to_pointer_maybe_fold, convert_to_real_maybe_fold)
9018         (convert_to_integer_maybe_fold, convert_to_complex_maybe_fold):
9019         Rename from *_nofold.
9020         * convert.h (convert_to_pointer_nofold, convert_to_integer_nofold)
9021         (convert_to_real_nofold, convert_to_complex_nofold): New inlines.
9023 2016-02-08  Bernd Schmidt  <bschmidt@redhat.com>
9025         PR target/60410
9026         * tree.c (build_common_tree_nodes): Remove short_double argument.
9027         All callers changed.
9028         * tree.h (build_common_tree_nodes): Adjust declaration.
9029         * doc/invoke.texi (-fshort-double): Remove documentation.
9030         * config/mips/t-img-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
9031         MULTILIB_EXCEPTIONS): Remove -fshort-double variant.
9032         * lto-wrapper.c (merge_and_complain, append_compiler_options)
9033         (append_linker_options): Don't handle OPT_fshort_double.
9035         PR rtl-optimization/68730
9036         * lra-remat.c (insn_to_cand_activation): New static variable.
9037         (lra_remat): Allocate and free it.
9038         (create_cand): New arg activation. Initialize a field in
9039         insn_to_cand_activation if it is nonnull.
9040         (create_cands): Pass the activation insn to create_cand when making
9041         a candidate involving an output reload.  Reorganize code a little.
9042         (do_remat): Keep track of active status of candidates in a separate
9043         bitmap.
9045 2016-02-08  Richard Biener  <rguenther@suse.de>
9047         PR tree-optimization/69719
9048         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
9049         Properly use absolute of the difference of the two offsets to
9050         compare or adjust the segment length.
9052 2016-02-08  Richard Biener  <rguenther@suse.de>
9053             Jeff Law  <law@redhat.com>
9055         PR target/68273
9056         * tree-ssanames.c (make_ssa_name_fn): Always use unqualified
9057         types for anonymous SSA names.
9059 2016-02-08   Richard Biener  <rguenther@suse.de>
9061         PR rtl-optimization/69274
9062         * ira.c (ira_setup_alts): Do not change recog_data.operand order.
9064 2016-02-08  Jeff Law  <law@redhat.com>
9066         PR tree-optimization/65917
9067         * tree-ssa-dom.c (record_temporary_equivalences): Record both
9068         equivalences from if (x == y) style conditionals.
9069         (loop_depth_of_name): Remove.
9070         (record_equality): Remove loop depth check.
9071         * tree-ssa-scopedtables.h (const_and_copies): Refine comments.
9072         (const_and_copies::record_const_or_copy_raw): New member function.
9073         * tree-ssa-scopedtables.c
9074         (const_and_copies::record_const_or_copy_raw): New, factored out of
9075         (const_and_copies::record_const_or_copy): Call new member function.
9077 2016-02-05  Jeff Law  <law@redhat.com>
9079         PR tree-optimization/68541
9080         * gimple-ssa-split-paths.c: Include tree-cfg.h and params.h.
9081         (count_stmts_in_block): New function.
9082         (poor_ifcvt_candidate_code): Likewise.
9083         (is_feasible_trace): Add some heuristics to determine when path
9084         splitting is profitable.
9085         (find_block_to_duplicate_for_splitting_paths): Make sure the graph
9086         is a diamond with a single exit.
9088 2016-02-05  Martin Sebor  <msebor@redhat.com>
9090         PR c++/69662
9091         * doc/invoke.texi: Update -Wplacement-new to take an optional
9092         argument.
9094 2016-02-06  Richard Henderson  <rth@redhat.com>
9096         PR c/69643
9097         * tree.c (tree_nop_conversion_p): Do not strip casts into or
9098         out of non-standard address spaces.
9100 2016-02-05  Jakub Jelinek  <jakub@redhat.com>
9102         PR rtl-optimization/69691
9103         * lra-eliminations.c (move_plus_up): Don't add the addend twice.
9105 2016-02-05  Pat Haugen  <pthaugen@us.ibm.com>
9107         * config/rs6000/crypto.md (crypto_vpermxor_<mode>): Correct insn type.
9108         * config/rs6000/rs6000.md (mov<mode>_hardfloat): Likewise.
9109         (*ieee128_mfvsrd_64bit): Likewise.
9110         (*ieee128_mfvsrd_32bit): Likewise.
9112 2016-02-05  Ilya Enkovich  <enkovich.gnu@gmail.com>
9114         PR target/69369
9115         Revert r232560:
9116         2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
9118         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
9119         instrumented_version.
9121 2016-01-05  Jeremy Bennett  <jeremy.bennett@embecosm.com>
9123         * doc/invoke.texi (Optimize Options): In table of --param options
9124         rename second occurrence of tracer-min-branch-ratio to
9125         tracer-min-branch-probability, rename
9126         tracer-min-branch-ratio-feedback to
9127         tracer-min-branch-probability-feedback and clarify description,
9128         rename sched-spec-state-edge-prob-cutoff to
9129         sched-state-edge-prob-cutoff, rename selsched-max-insns-to-rename
9130         to selsched-insns-to-rename, rename lto-minpartition to
9131         lto-min-partition, delete reorder-blocks-duplicate and
9132         reorder-blocks-duplicate-feedback.
9134 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9136         * config/s390/s390.c (s390_register_info_set_ranges): Remove
9137         superfluous loops.
9139 2016-02-05  Dominik Vogt  <vogt@linux.vnet.ibm.com>
9141         * doc/extend.texi: S/390: Correct some typos.
9143 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9145         * config/s390/s390.c (s390_emit_call): Add missing 64 bit check.
9147 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9149         PR target/69625
9150         * config/s390/s390.c (SAVE_SLOT_NONE, SAVE_SLOT_STACK): New defines.
9151         (s390_register_info_gprtofpr): Use new macros above.
9152         (s390_register_info_stdarg_fpr): Adjust max_fpr to better match
9153         its name.
9154         (s390_register_info_stdarg_gpr): Adjust max_gpr to better match
9155         its name.  Adjust restore and save gpr ranges.
9156         (s390_register_info_set_ranges): New function.
9157         (s390_register_info): Use new macros above.  Call
9158         s390_register_info_set_ranges.
9159         (s390_optimize_register_info): Likewise.
9160         (s390_hard_regno_rename_ok): Use new macros.
9161         (s390_hard_regno_scratch_ok): Likewise.
9162         (s390_emit_epilogue): Likewise.
9163         (s390_can_use_return_insn): Likewise.
9164         (s390_optimize_prologue): Likewise.
9165         * config/s390/s390.md (GPR2_REGNUM, GPR6_REGNUM): New constants.
9167 2016-02-05  Jakub Jelinek  <jakub@redhat.com>
9169         PR bootstrap/69677
9170         * config/i386/i386.c (convert_scalars_to_vector): Readd stack
9171         alignment fixes.
9172         (ix86_option_override_internal): Disable TARGET_STV even for
9173         -m{incoming,preferred}-stack-boundary=3.
9175 2016-02-03  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
9177         * config.gcc: Mark deprecated rtems targets as obsolete.
9179 2016-02-04  Segher Boessenkool  <segher@kernel.crashing.org>
9181         PR rtl-optimization/64682
9182         PR rtl-optimization/69567
9183         * combine.c (distribute_notes) <REG_DEAD>: Place the death note
9184         before I2 only if the register is both used and set in I2.
9186 2016-02-04  DJ Delorie  <dj@redhat.com>
9188         * config/msp430/msp430.c (msp430_start_function): Add function type.
9190 2016-02-04  Jakub Jelinek  <jakub@redhat.com>
9192         PR fortran/69368
9193         * tree-dfa.c (get_ref_base_and_extent): Remove unreachable code.
9195 2016-02-04  Uros Bizjak  <ubizjak@gmail.com>
9197         PR rtl-optimization/69577
9198         Revert:
9199         2015-10-29  Richard Henderson  <rth@redhat.com>
9201         PR target/68124
9202         PR rtl-opt/67609
9203         * config/i386/i386.c (ix86_cannot_change_mode_class): Tighten
9204         sse check to the exact conditions of PR 67609.
9206 2016-02-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
9208         PR target/69667
9209         * config/rs6000/rs6000.md (mov<mode>_64bit_dm): Use 'd' constraint
9210         instead of 'ws', and 'wh' instead of 'wm' since TFmode/IFmode are
9211         not allowed into the traditional Altivec registers.
9212         (movtd_64bit_nodm): Likewise.
9213         (mov<mode>_32bit, FMOVE128_FPR iterator): Likewise.
9215 2016-02-04  David Malcolm  <dmalcolm@redhat.com>
9217         * config/aarch64/cortex-a57-fma-steering.c
9218         (aarch64_register_fma_steering): Remove "static" from arguments
9219         to register_pass.
9221 2016-02-04  Wilco Dijkstra  <wdijkstr@arm.com>
9223         PR target/69619
9224         * ccmp.c (expand_ccmp_expr_1): Avoid evaluating gs0/gs1
9225         twice when complex.
9227 2016-02-04  Mike Frysinger  <vapier@gentoo.org>
9229         * doc/invoke.texi: Delete -mno-fma4.
9231 2016-02-04  Richard Sandiford  <richard.sandiford@arm.com>
9233         PR rtl-optimization/69577
9234         * reginfo.c (record_subregs_of_mode): Add a partial_def parameter.
9235         (find_subregs_of_mode): Update accordingly.  Iterate over partial
9236         definitions.
9238 2016-02-04  Alan Lawrence  <alan.lawrence@arm.com>
9240         * config/arm/arm-protos.h (neon_reinterpret): Remove.
9241         * config/arm/arm.c (neon_reinterpret): Remove.
9242         * config/arm/arm_neon_builtins.def (vreinterpretv8qi, vreinterpretv4hi,
9243         vreinterpretv2si, vreinterpretv2sf, vreinterpretdi, vreinterpretv16qi,
9244         vreinterpretv8hi, vreinterpretv4si, vreinterpretv4sf, vreinterpretv2di,
9245         vreinterpretti): Remove.
9246         * config/arm/neon.md (neon_vreinterpretv8qi<mode>,
9247         neon_vreinterpretv4hi<mode>, neon_vreinterpretv2si<mode>,
9248         neon_vreinterpretv2sf<mode>, neon_vreinterpretdi<mode>,
9249         neon_vreinterpretti<mode>, neon_vreinterpretv16qi<mode>,
9250         neon_vreinterpretv8hi<mode>, neon_vreinterpretv4si<mode>,
9251         neon_vreinterpretv4sf<mode>, neon_vreinterpretv2di<mode>): Remove.
9252         * config/arm/arm_neon.h (vreinterpret_p8_p16, vreinterpret_p8_f32,
9253         vreinterpret_p8_p64, vreinterpret_p8_s64, vreinterpret_p8_u64,
9254         vreinterpret_p8_s8, vreinterpret_p8_s16, vreinterpret_p8_s32,
9255         vreinterpret_p8_u8, vreinterpret_p8_u16, vreinterpret_p8_u32,
9256         vreinterpret_p16_p8, vreinterpret_p16_f32, vreinterpret_p16_p64,
9257         vreinterpret_p16_s64, vreinterpret_p16_u64, vreinterpret_p16_s8,
9258         vreinterpret_p16_s16, vreinterpret_p16_s32, vreinterpret_p16_u8,
9259         vreinterpret_p16_u16, vreinterpret_p16_u32, vreinterpret_f32_p8,
9260         vreinterpret_f32_p16, vreinterpret_f32_p64, vreinterpret_f32_s64,
9261         vreinterpret_f32_u64, vreinterpret_f32_s8, vreinterpret_f32_s16,
9262         vreinterpret_f32_s32, vreinterpret_f32_u8, vreinterpret_f32_u16,
9263         vreinterpret_f32_u32, vreinterpret_p64_p8, vreinterpret_p64_p16,
9264         vreinterpret_p64_f32, vreinterpret_p64_s64, vreinterpret_p64_u64,
9265         vreinterpret_p64_s8, vreinterpret_p64_s16, vreinterpret_p64_s32,
9266         vreinterpret_p64_u8, vreinterpret_p64_u16, vreinterpret_p64_u32,
9267         vreinterpret_s64_p8, vreinterpret_s64_p16, vreinterpret_s64_f32,
9268         vreinterpret_s64_p64, vreinterpret_s64_u64, vreinterpret_s64_s8,
9269         vreinterpret_s64_s16, vreinterpret_s64_s32, vreinterpret_s64_u8,
9270         vreinterpret_s64_u16, vreinterpret_s64_u32, vreinterpret_u64_p8,
9271         vreinterpret_u64_p16, vreinterpret_u64_f32, vreinterpret_u64_p64,
9272         vreinterpret_u64_s64, vreinterpret_u64_s8, vreinterpret_u64_s16,
9273         vreinterpret_u64_s32, vreinterpret_u64_u8, vreinterpret_u64_u16,
9274         vreinterpret_u64_u32, vreinterpret_s8_p8, vreinterpret_s8_p16,
9275         vreinterpret_s8_f32, vreinterpret_s8_p64, vreinterpret_s8_s64,
9276         vreinterpret_s8_u64, vreinterpret_s8_s16, vreinterpret_s8_s32,
9277         vreinterpret_s8_u8, vreinterpret_s8_u16, vreinterpret_s8_u32,
9278         vreinterpret_s16_p8, vreinterpret_s16_p16, vreinterpret_s16_f32,
9279         vreinterpret_s16_p64, vreinterpret_s16_s64, vreinterpret_s16_u64,
9280         vreinterpret_s16_s8, vreinterpret_s16_s32, vreinterpret_s16_u8,
9281         vreinterpret_s16_u16, vreinterpret_s16_u32, vreinterpret_s32_p8,
9282         vreinterpret_s32_p16, vreinterpret_s32_f32, vreinterpret_s32_p64,
9283         vreinterpret_s32_s64, vreinterpret_s32_u64, vreinterpret_s32_s8,
9284         vreinterpret_s32_s16, vreinterpret_s32_u8, vreinterpret_s32_u16,
9285         vreinterpret_s32_u32, vreinterpret_u8_p8, vreinterpret_u8_p16,
9286         vreinterpret_u8_f32, vreinterpret_u8_p64, vreinterpret_u8_s64,
9287         vreinterpret_u8_u64, vreinterpret_u8_s8, vreinterpret_u8_s16,
9288         vreinterpret_u8_s32, vreinterpret_u8_u16, vreinterpret_u8_u32,
9289         vreinterpret_u16_p8, vreinterpret_u16_p16, vreinterpret_u16_f32,
9290         vreinterpret_u16_p64, vreinterpret_u16_s64, vreinterpret_u16_u64,
9291         vreinterpret_u16_s8, vreinterpret_u16_s16, vreinterpret_u16_s32,
9292         vreinterpret_u16_u8, vreinterpret_u16_u32, vreinterpret_u32_p8,
9293         vreinterpret_u32_p16, vreinterpret_u32_f32, vreinterpret_u32_p64,
9294         vreinterpret_u32_s64, vreinterpret_u32_u64, vreinterpret_u32_s8,
9295         vreinterpret_u32_s16, vreinterpret_u32_s32, vreinterpret_u32_u8,
9296         vreinterpret_u32_u16, vreinterpretq_p8_p16, vreinterpretq_p8_f32,
9297         vreinterpretq_p8_p64, vreinterpretq_p8_p128, vreinterpretq_p8_s64,
9298         vreinterpretq_p8_u64, vreinterpretq_p8_s8, vreinterpretq_p8_s16,
9299         vreinterpretq_p8_s32, vreinterpretq_p8_u8, vreinterpretq_p8_u16,
9300         vreinterpretq_p8_u32, vreinterpretq_p16_p8, vreinterpretq_p16_f32,
9301         vreinterpretq_p16_p64, vreinterpretq_p16_p128, vreinterpretq_p16_s64,
9302         vreinterpretq_p16_u64, vreinterpretq_p16_s8, vreinterpretq_p16_s16,
9303         vreinterpretq_p16_s32, vreinterpretq_p16_u8, vreinterpretq_p16_u16,
9304         vreinterpretq_p16_u32, vreinterpretq_f32_p8, vreinterpretq_f32_p16,
9305         vreinterpretq_f32_p64, vreinterpretq_f32_p128, vreinterpretq_f32_s64,
9306         vreinterpretq_f32_u64, vreinterpretq_f32_s8, vreinterpretq_f32_s16,
9307         vreinterpretq_f32_s32, vreinterpretq_f32_u8, vreinterpretq_f32_u16,
9308         vreinterpretq_f32_u32, vreinterpretq_p64_p8, vreinterpretq_p64_p16,
9309         vreinterpretq_p64_f32, vreinterpretq_p64_p128, vreinterpretq_p64_s64,
9310         vreinterpretq_p64_u64, vreinterpretq_p64_s8, vreinterpretq_p64_s16,
9311         vreinterpretq_p64_s32, vreinterpretq_p64_u8, vreinterpretq_p64_u16,
9312         vreinterpretq_p64_u32, vreinterpretq_p128_p8, vreinterpretq_p128_p16,
9313         vreinterpretq_p128_f32, vreinterpretq_p128_p64, vreinterpretq_p128_s64,
9314         vreinterpretq_p128_u64, vreinterpretq_p128_s8, vreinterpretq_p128_s16,
9315         vreinterpretq_p128_s32, vreinterpretq_p128_u8, vreinterpretq_p128_u16,
9316         vreinterpretq_p128_u32, vreinterpretq_s64_p8, vreinterpretq_s64_p16,
9317         vreinterpretq_s64_f32, vreinterpretq_s64_p64, vreinterpretq_s64_p128,
9318         vreinterpretq_s64_u64, vreinterpretq_s64_s8, vreinterpretq_s64_s16,
9319         vreinterpretq_s64_s32, vreinterpretq_s64_u8, vreinterpretq_s64_u16,
9320         vreinterpretq_s64_u32, vreinterpretq_u64_p8, vreinterpretq_u64_p16,
9321         vreinterpretq_u64_f32, vreinterpretq_u64_p64, vreinterpretq_u64_p128,
9322         vreinterpretq_u64_s64, vreinterpretq_u64_s8, vreinterpretq_u64_s16,
9323         vreinterpretq_u64_s32, vreinterpretq_u64_u8, vreinterpretq_u64_u16,
9324         vreinterpretq_u64_u32, vreinterpretq_s8_p8, vreinterpretq_s8_p16,
9325         vreinterpretq_s8_f32, vreinterpretq_s8_p64, vreinterpretq_s8_p128,
9326         vreinterpretq_s8_s64, vreinterpretq_s8_u64, vreinterpretq_s8_s16,
9327         vreinterpretq_s8_s32, vreinterpretq_s8_u8, vreinterpretq_s8_u16,
9328         vreinterpretq_s8_u32, vreinterpretq_s16_p8, vreinterpretq_s16_p16,
9329         vreinterpretq_s16_f32, vreinterpretq_s16_p64, vreinterpretq_s16_p128,
9330         vreinterpretq_s16_s64, vreinterpretq_s16_u64, vreinterpretq_s16_s8,
9331         vreinterpretq_s16_s32, vreinterpretq_s16_u8, vreinterpretq_s16_u16,
9332         vreinterpretq_s16_u32, vreinterpretq_s32_p8, vreinterpretq_s32_p16,
9333         vreinterpretq_s32_f16, vreinterpretq_s32_f32, vreinterpretq_s32_p64,
9334         vreinterpretq_s32_p128, vreinterpretq_s32_s64, vreinterpretq_s32_u64,
9335         vreinterpretq_s32_s8, vreinterpretq_s32_s16, vreinterpretq_s32_u8,
9336         vreinterpretq_s32_u16, vreinterpretq_s32_u32, vreinterpretq_u8_p8,
9337         vreinterpretq_u8_p16, vreinterpretq_u8_f32, vreinterpretq_u8_p64,
9338         vreinterpretq_u8_p128, vreinterpretq_u8_s64, vreinterpretq_u8_u64,
9339         vreinterpretq_u8_s8, vreinterpretq_u8_s16, vreinterpretq_u8_s32,
9340         vreinterpretq_u8_u16, vreinterpretq_u8_u32, vreinterpretq_u16_p8,
9341         vreinterpretq_u16_p16, vreinterpretq_u16_f32, vreinterpretq_u16_p64,
9342         vreinterpretq_u16_p128, vreinterpretq_u16_s64, vreinterpretq_u16_u64,
9343         vreinterpretq_u16_s8, vreinterpretq_u16_s16, vreinterpretq_u16_s32,
9344         vreinterpretq_u16_u8, vreinterpretq_u16_u32, vreinterpretq_u32_p8,
9345         vreinterpretq_u32_p16, vreinterpretq_u32_f32, vreinterpretq_u32_p64,
9346         vreinterpretq_u32_p128, vreinterpretq_u32_s64, vreinterpretq_u32_u64,
9347         vreinterpretq_u32_s8, vreinterpretq_u32_s16, vreinterpretq_u32_s32,
9348         vreinterpretq_u32_u8, vreinterpretq_u32_u16): Rewrite using casts.
9350 2016-02-04  Martin Liska  <mliska@suse.cz>
9352         PR sanitizer/69276
9353         * asan.c (has_stmt_been_instrumented_p): Instrument gimple calls
9354         that are gimple_store_p.
9355         (maybe_instrument_call): Likewise.
9357 2016-02-04  Bin Cheng  <bin.cheng@arm.com>
9359         * config/aarch64/aarch64.c (aarch64_legitimize_address): Force
9360         register scaling out of memory reference and comment why.
9362 2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9364         PR target/65932
9365         PR target/67714
9366         * cse.c (cse_insn): Pass NULL to fold_rtx when initially
9367         folding the source of a SET.
9369 2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9371         PR target/65932
9372         PR target/67714
9373         * config/arm/arm.c (arm_new_rtx_costs, MULT case): Properly extract
9374         the operands of the SIGN_EXTENDs from a SMUL[TB][TB] rtx.
9376 2016-02-04  Jim Wilson  <jim.wilson@linaro.org>
9378         PR target/65932
9379         PR target/67714
9380         * config/arm/arm.h (PROMOTE_MODE): Don't set UNSIGNEDP for QImode and
9381         HImode.
9383 2016-02-04  Christian Bruel  <christian.bruel@st.com>
9385         * config/arm/arm-c.c (arm_reset_previous_fndecl): Style fix and typo.
9386         * config/arm/arm.c (arm_set_current_function): Likewise.
9388 2016-02-04  Jakub Jelinek  <jakub@redhat.com>
9389             Ilya Enkovich  <enkovich.gnu@gmail.com>
9390             H.J. Lu  <hongjiu.lu@intel.com>
9392         PR target/69454
9393         * config/i386/i386.c (convert_scalars_to_vector): Remove
9394         stack alignment fixes.
9395         (ix86_option_override_internal): Disable TARGET_STV if stack
9396         might not be aligned enough.
9397         (ix86_minimum_alignment): Assert that TARGET_STV is false.
9399 2016-02-04  Victoria Stepanyan  <victoria.stepanyan@amd.com>
9401         * gcc/config/i386/x86-tune.def: Disable default prefetching
9402         for -march=znver1.
9404 2016-02-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
9405             Vladimir Makarov  <vmakarov@redhat.com>
9407         PR target/69461
9408         * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Fix thinko
9409         in validating fused toc addresses.
9411 2016-02-03  Jakub Jelinek  <jakub@redhat.com>
9413         PR c/69627
9414         * diagnostic-show-locus.c (layout::get_state_at_point): Don't read
9415         range->m_caret fields if range->m_show_caret_p is false.
9417         PR target/69644
9418         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
9419         Force oldval into register if it does not satisfy reg_or_short_operand
9420         predicate.  Fix up formatting.
9422 2016-02-03  Vladimir Makarov  <vmakarov@redhat.com>
9423             Alexandre Oliva  <aoliva@redhat.com>
9425         PR target/69461
9426         * lra-constraints.c (simplify_operand_subreg): Check additionally
9427         address validity after potential reloading.
9428         (process_address_1): Check insns validity.  In case of failure do
9429         nothing.
9431 2016-02-03  Kirill Yukhin  <kirill.yukhin@intel.com>
9433         PR target/69118
9434         * config/i386/sse.md (define_insn "avx512f_maskcmp<mode>3"):
9435         Fix target.
9437 2016-02-02  Jakub Jelinek  <jakub@redhat.com>
9439         * wide-int.cc (canonize_uhwi): New function.
9440         (wi::divmod_internal): Use it.
9442 2016-02-02  James Norris  <jnorris@codesourcery.com
9444         * gimplify.c (omp_notice_variable): Add usage check.
9446 2016-02-02  Alexander Monakov  <amonakov@ispras.ru>
9448         * config/nvptx/nvptx.c (nvptx_print_operand): Treat LEU, GEU, LTU, GTU
9449         like LE, GE, LT, GT when emitting relational operator.
9451 2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>
9453         * ira-costs.c (find_costs_and_classes): Add extra argument.
9454         * target.def (ira_change_pseudo_allocno_class): Add parameter.
9455         * targhooks.h (ira_change_pseudo_allocno_class): Likewise.
9456         * targhooks.c (ira_change_pseudo_allocno_class): Likewise.
9457         * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class)
9458         Add best_class parameter, and return it if not ALL_REGS.
9459         * config/mips/mips.c (mips_ira_change_pseudo_allocno_class):
9460         Add parameter.
9461         * doc/tm.texi (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS):
9462         Update target hook.
9464 2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>
9466         * config/aarch64/aarch64.c
9467         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): New define.
9468         (aarch64_ira_change_pseudo_allocno_class): New function.
9470 2016-02-02  Uros Bizjak  <ubizjak@gmail.com>
9472         PR target/67032
9473         * config/i386/i386.c (geode_cost): Increase cost of MMX and SSE moves.
9475 2016-02-02  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
9477         * config/avr/avr.c (avr_option_override): Set
9478         PARAM_ALLOW_STORE_DATA_RACES to 1.
9480 2016-02-02  Richard Biener  <rguenther@suse.de>
9482         PR tree-optimization/69595
9483         * match.pd: Add range test simplifications to true/false.
9485 2016-02-02  Thomas Schwinge  <thomas@codesourcery.com>
9487         * omp-builtins.def (BUILT_IN_GOACC_HOST_DATA): Remove.
9488         * omp-low.c (expand_omp_target): Use BUILT_IN_GOACC_DATA_START
9489         instead.
9491 2016-02-02  Richard Biener  <rguenther@suse.de>
9493         PR tree-optimization/69606
9494         * tree-ssa-math-opts.c (bswap_replace): Clear flow sensitive
9495         info on the result before moving a stmt.
9497 2016-02-02  Yuri Rumyantsev  <ysrumyan@gmail.com>
9499         PR middle-end/68542
9500         * config/i386/i386.c (ix86_expand_branch): Add support for conditional
9501         branch with vector comparison.
9502         * config/i386/sse.md (VI48_AVX): New mode iterator.
9503         (define_expand "cbranch<mode>4): Add support for conditional branch
9504         with vector comparison.
9505         * tree-vect-loop.c (optimize_mask_stores): New function.
9506         * tree-vect-stmts.c (vectorizable_mask_load_store): Initialize
9507         has_mask_store field of vect_info.
9508         * tree-vectorizer.c (vectorize_loops): Invoke optimaze_mask_stores for
9509         vectorized loops having masked stores after vec_info destroy.
9510         * tree-vectorizer.h (loop_vec_info): Add new has_mask_store field and
9511         correspondent macros.
9512         (optimize_mask_stores): Add prototype.
9514 2016-02-02  Alan Modra  <amodra@gmail.com>
9516         PR target/69548
9517         * config/rs6000/predicates.md (quad_int_reg_operand): Don't
9518         allow subregs.
9520 2016-02-02  Alan Modra  <amodra@gmail.com>
9522         PR target/68662
9523         * config/rs6000/rs6000.c (need_toc_init): New var, set it
9524         whenever toc_label_name used.
9525         (rs6000_file_start): Don't set up toc section here,
9526         (rs6000_output_function_epilogue): do so here instead,
9527         (rs6000_xcoff_file_start): and here.
9528         * config/rs6000/rs6000.md (load_toc_aix_si): Set need_toc_init.
9529         (load_toc_aix_di): Likewise.
9531 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
9533         PR rtl-optimization/69592
9534         * rtlanal.c (nonzero_bits_binary_arith_p): New inline function.
9535         (cached_nonzero_bits): Use it instead of ARITHMETIC_P.
9536         (num_sign_bit_copies_binary_arith_p): New inline function.
9537         (cached_num_sign_bit_copies): Use it instead of ARITHMETIC_P.
9539 2016-02-01  Jeff Law  <law@redhat.com>
9541         PR tree-optimization/69580
9542         * params.def (FSM_MAXIMUM_PHI_ARGUMENTS): New param.
9543         * tree-ssa-threadbackward.c
9544         (fsm_find_control_statement_thread_paths): Do not try to walk
9545         through large PHI nodes.
9547 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
9549         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return false
9550         when count is incremented above limit, don't analyze further
9551         insns afterwards.
9553         * omp-low.c (oacc_parse_default_dims): Avoid
9554         -Wsign-compare warning, make sure value fits into int
9555         rather than just unsigned int.
9557 2016-02-01  Bin Cheng  <bin.cheng@arm.com>
9559         PR tree-optimization/67921
9560         * fold-const.c (split_tree): New parameters.  Convert pointer
9561         type variable part to proper type before negating.
9562         (fold_binary_loc): Pass new arguments to split_tree.
9564 2016-02-01  Nathan Sidwell  <nathan@codesourcery.com>
9566         * config/nvptx/nvptx.c (PTX_GANG_DEFAULT): New.
9567         (nvptx_goacc_validate_dims): Extend to handle global defaults.
9568         * target.def (OACC_VALIDATE_DIMS): Extend documentation.
9569         * doc/tm.texti: Rebuilt.
9570         * doc/invoke.texi (fopenacc-dim): Document.
9571         * lto-wrapper.c (merge_and_complain): Add OPT_fopenacc_dim_ case.
9572         (append_compiler_options): Likewise.
9573         * omp-low.c (oacc_default_dims, oacc_min_dims): New.
9574         (oacc_parse_default_dims): New.
9575         (oacc_validate_dims): Add USED arg.  Select non-unity default when
9576         possible.
9577         (oacc_loop_fixed_partitions): Return mask of used partitions.
9578         (oacc_loop_auto_partitions): Emit dump info.
9579         (oacc_loop_partition): Return mask of used partitions.
9580         (execute_oacc_device_lower): Parse default dimension arg.  Adjust
9581         loop partitioning and validation calls.
9583 2016-02-01  Richard Biener  <rguenther@suse.de>
9585         PR middle-end/69556
9586         * match.pd: Guard (C1/X)*C2 -> (C1*C2)/X with single_use.
9588 2016-02-01  Richard Biener  <rguenther@suse.de>
9590         PR tree-optimization/69574
9591         * tree-chrec.c (hide_evolution_in_other_loops_than_loop): Instead
9592         of asserting return chrec_dont_know.
9594 2016-02-01  Martin Liska  <mliska@suse.cz>
9596         * mem-stats-traits.h: Add copyright header.
9597         * mem-stats.h: Likewise.
9599 2016-02-01  Richard Biener  <rguenther@suse.de>
9601         PR tree-optimization/69579
9602         * tree-ssa-loop-ivcanon.c (propagate_constants_for_unrolling):
9603         Do not propagate through abnormal PHI results.
9605 2016-02-01  Eric Botcazou  <ebotcazou@adacore.com>
9607         * postreload.c (reload_cse_simplify): Remove dead code.
9609 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
9611         PR rtl-optimization/69570
9612         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return true only
9613         if there is more than one set, not if there is a single set.
9615 2016-02-01  Richard Henderson  <rth@redhat.com>
9617         PR rtl-opt/69535
9618         * combine.c (make_compound_operation): When looking through a
9619         subreg, make sure to re-extend to the width of the outer mode.
9621 2016-01-30  Jakub Jelinek  <jakub@redhat.com>
9623         PR tree-optimization/69546
9624         * wide-int.cc (wi::divmod_internal): For unsigned division
9625         where both operands fit into uhwi, if o1 is 1 and o0 has
9626         msb set, if divident_prec is larger than bits per hwi,
9627         clear another quotient word and return 2 instead of 1.
9628         Similarly for remainder with msb in HWI set, if dividend_prec
9629         is larger than bits per hwi.
9631 2016-01-29  Martin Jambor  <mjambor@suse.cz>
9633         * hsa-gen.c (get_memory_order_name): Mask with MEMMODEL_BASE_MASK.
9634         Use short lowercase names.
9635         (get_memory_order): Mask with MEMMODEL_BASE_MASK.  Support
9636         MEMMODEL_CONSUME with acquire semantics and MEMMODEL_SEQ_CST with
9637         acq_rel one.  Protect warning agains segfaults if
9638         get_memory_order_name returns NULL.
9639         (gen_hsa_ternary_atomic_for_builtin): Support with MEMMODEL_SEQ_CST
9640         with release semantics.  Do not warn if get_memory_order already did.
9641         (gen_hsa_insns_for_call): Support with MEMMODEL_SEQ_CST with acquire
9642         semantics.  Fix check for relaxed or acquire semantics.  Do not warn
9643         if get_memory_order already did.
9645 2016-01-29  Sebastian Pop  <s.pop@samsung.com>
9647         * doc/install.texi: Document that isl-0.16 is supported.
9649 2016-01-29  Vladimir Makarov  <vmakarov@redhat.com>
9651         PR target/69299
9652         * config/i386/constraints.md (Bm): Describe as special memory
9653         constraint.
9654         * doc/md.texi (DEFINE_SPECIAL_MEMORY_CONSTRAINT): Describe it.
9655         * genoutput.c (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
9656         * genpreds.c (struct constraint_data): Add is_special_memory.
9657         (have_special_memory_constraints, special_memory_start): New
9658         static vars.
9659         (special_memory_end): Ditto.
9660         (add_constraint): Add new arg is_special_memory.  Add code to
9661         process its true value.  Update have_special_memory_constraints.
9662         (process_define_constraint): Pass the new arg.
9663         (process_define_register_constraint): Ditto.
9664         (choose_enum_order): Process special memory.
9665         (write_tm_preds_h): Generate enum const CT_SPECIAL_MEMORY and
9666         function insn_extra_special_memory_constraint.
9667         (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
9668         * gensupport.c (process_rtx): Process
9669         DEFINE_SPECIAL_MEMORY_CONSTRAINT.
9670         * ira-costs.c (record_reg_classes): Process CT_SPECIAL_MEMORY.
9671         * ira-lives.c (single_reg_class): Use
9672         insn_extra_special_memory_constraint.
9673         * ira.c (ira_setup_alts): Process CT_SPECIAL_MEMORY.
9674         * lra-constraints.c (process_alt_operands): Ditto.
9675         (curr_insn_transform): Use insn_extra_special_memory_constraint.
9676         * recog.c (asm_operand_ok, preprocess_constraints): Process
9677         CT_SPECIAL_MEMORY.
9678         * reload.c (find_reloads): Ditto.
9679         * rtl.def (DEFINE_SPECIFAL_MEMORY_CONSTRAINT): New.
9680         * stmt.c (parse_input_constraint): Use
9681         insn_extra_special_memory_constraint.
9683 2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>
9685         PR target/69530
9686         * lra-splill.c (lra_final_code_change): Revert r229087 by
9687         removing all sub-registers.
9689 2016-01-29  Steve Ellcey  <sellcey@imgtec.com>
9691         PR target/65604
9692         * config/mips/mips.c (mips_output_division): Check flag_delayed_branch.
9694 2016-01-29  Jakub Jelinek  <jakub@redhat.com>
9696         PR target/69551
9697         * config/i386/i386.c (ix86_expand_vector_set) <case V4SImode>: For
9698         SSE1, copy target into the temporary reg first before recursing
9699         on it.
9701 2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>
9703         * config/i386/sse.md (sse2_cvtps2pd<mask_name>): Replace vBm
9704         with vm.
9706 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
9708         * ginclude/stdarg.h: Test __cplusplus instead of
9709         __GXX_EXPERIMENTAL_CXX0X__.
9711 2016-01-29  Richard Biener  <rguenther@suse.de>
9713         PR tree-optimization/69547
9714         * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
9715         Do not mark clobbers necessary.
9716         (mark_all_reaching_defs_necessary_1): Likewise.
9718 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
9720         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Format
9721         declaration name with %qs and print it in both error messages.
9722         Also fix indentation.
9724 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
9726         PR other/69006
9727         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Remove
9728         trailing blank line from error message.
9730 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
9732         PR c++/69462
9733         * ginclude/float.h: Also provide FLT_EVAL_METHOD and DECIMAL_DIG
9734         for C++-11.
9736 2016-01-29  Richard Biener  <rguenther@suse.de>
9738         PR middle-end/69537
9739         * match.pd: Allow all integral types when simplifying a
9740         widening or sign-changing conversion.
9742 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
9744         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Revert assert
9745         back to setting codegen_error to fail codegen.
9747 2016-01-28  Uros Bizjak  <ubizjak@gmail.com>
9749         PR target/69459
9750         * config/i386/constraints.md (C): Only accept constant zero operand.
9751         (BC): New constraint.
9752         * config/i386/sse.md (*mov<mode>_internal): Use BC constraint
9753         instead of C constraint.
9754         * doc/md.texi (Machine Constraints): Update description
9755         of C constraint.
9757 2016-01-28  Steve Ellcey  <sellcey@imgtec.com>
9759         PR target/68400
9760         * config/mips/mips.c (and_operands_ok): Add MIPS16 check.
9762 2016-01-28  Jakub Jelinek  <jakub@redhat.com>
9764         PR middle-end/69542
9765         * lra-remat.c (calculate_local_reg_remat_bb_data): Only consider
9766         non-debug insns.
9768 2016-01-28  Pat Haugen  <pthaugen@us.ibm.com>
9770         * config/rs6000/rs6000.c (output_cbranch): Don't statically predict
9771         branches if using guessed profile.
9773 2016-01-28  H.J. Lu  <hongjiu.lu@intel.com>
9775         * graphite-optimize-isl.c (optimize_isl): Fix dump.
9777 2016-01-28  Richard Henderson  <rth@redhat.com>
9779         PR target/69305
9780         * config/aarch64/aarch64-modes.def (CC_Cmode): New
9781         * config/aarch64/aarch64-protos.h: Update.
9782         * config/aarch64/aarch64.c (aarch64_zero_extend_const_eq): New.
9783         (aarch64_select_cc_mode): Add check for use of CC_Cmode.
9784         (aarch64_get_condition_code_1): Handle CC_Cmode.
9785         * config/aarch64/aarch64.md (addti3): Use adddi3_compareC.
9786         (*add<mode>3_compareC_cconly_imm): New.
9787         (*add<mode>3_compareC_cconly): New.
9788         (*add<mode>3_compareC_imm): New.
9789         (add<mode>3_compareC): New.
9790         (add<mode>3_carryin, *addsi3_carryin_uxtw): Sort compare operand
9791         to be first.  Use aarch64_carry_operation.
9792         (*add<mode>3_carryin_alt1, *addsi3_carryin_alt1_uxtw): Remove.
9793         (*add<mode>3_carryin_alt2, *addsi3_carryin_alt2_uxtw): Remove.
9794         (*add<mode>3_carryin_alt3, *addsi3_carryin_alt3_uxtw): Remove.
9795         (subti3): Use subdi3_compare1.
9796         (*sub<mode>3_compare0): Rename from sub<mode>3_compare0.
9797         (sub<mode>3_compare1): New.
9798         (*sub<mode>3_carryin0, *subsi3_carryin_uxtw): New.
9799         (*sub<mode>3_carryin): Use aarch64_borrow_operation.
9800         (*subsi3_carryin_uxtw): Likewise.
9801         (*ngc<mode>, *ngcsi_uxtw): Likewise.
9802         (*sub<mode>3_carryin_alt, *subsi3_carryin_alt_uxtw): New.
9803         * config/aarch64/iterators.md (DWI): New.
9804         * config/aarch64/predicates.md (aarch64_carry_operation): New.
9805         (aarch64_borrow_operation): New.
9807 2016-01-28  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
9809         * graphite-optimize-isl.c (optimize_isl): Print a different debug
9810         message when isl does not return a valid schedule.
9812 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
9814         * graphite-isl-ast-to-gimple.c (class translate_isl_ast_to_gimple):
9815         Remove comments from class declarations: they are already in the code
9816         close by the defs.
9818 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
9820         * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Call
9821         codegen_error_p.
9822         (ternary_op_to_tree): Same.
9823         (unary_op_to_tree): Same.
9824         (nary_op_to_tree): Same.
9825         (gcc_expression_from_isl_expr_op): Same.
9826         (gcc_expression_from_isl_expression): Same.
9827         (graphite_create_new_loop): Same.
9828         (graphite_create_new_loop_guard): Same.
9829         (build_iv_mapping): Same.
9830         (graphite_create_new_guard): Same.
9831         (translate_isl_ast_to_gimple::copy_loop_phi_nodes): Same.
9832         (translate_isl_ast_to_gimple::translate_pending_phi_nodes): Same.
9834 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
9836         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Assert
9837         instead of setting codegen_error to fail codegen.
9839 2016-01-28  Jason Merrill  <jason@redhat.com>
9841         * tree.h (BINFO_FLAG_0): Rename from BINFO_MARKED.
9843 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
9845         * config/aarch64/aarch64.c (aarch64_if_then_else_costs):
9846         Remove CONST_INT_P check in CCMP cost calculation.
9848 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
9850         * config/aarch64/aarch64.c (generic_vector_cost):
9851         Set vec_permute_cost.
9852         (cortexa57_vector_cost): Likewise.
9853         (exynosm1_vector_cost): Likewise.
9854         (xgene1_vector_cost): Likewise.
9855         (aarch64_builtin_vectorization_cost): Use vec_permute_cost.
9856         * config/aarch64/aarch64-protos.h (cpu_vector_cost):
9857         Add vec_permute_cost entry.
9859 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
9861         * config/aarch64/aarch64.md (ccmp<mode>): Disassemble
9862         immediate as %1.
9863         (add<mode>3_compare0): Likewise.
9864         (addsi3_compare0_uxtw): Likewise.
9865         (add<mode>3nr_compare0): Likewise.
9866         (compare_neg<mode>): Likewise.
9867         (<optab><mode>3): Likewise.
9869 2016-01-28  Ilya Enkovich  <enkovich.gnu@gmail.com>
9871         * tree-vect-stmts.c (vectorizable_comparison): Add
9872         NULL check for vectype.
9874 2016-01-28  Richard Biener  <rguenther@suse.de>
9876         PR tree-optimization/69466
9877         * tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
9878         Account for PHIs we couldn't duplicate.
9880 2016-01-28  Martin Liska  <mliska@suse.cz>
9882         PR pch/68758
9883         * ggc-common.c (gt_pch_save): Use ENABLE_VALGRIND_ANNOTATIONS macro
9884         instead of ENABLE_VALGRIND_CHECKING.
9886 2016-01-27  Richard Henderson  <rth@redhat.com>
9888         PR rtl-opt/69447
9889         * lra-remat.c (subreg_regs): New.
9890         (dump_candidates_and_remat_bb_data): Dump it.
9891         (operand_to_remat): Reject if operand in subreg_regs.
9892         (set_bb_regs): Collect subreg_regs.
9893         (lra_remat): Init and free subreg_regs.  Compute
9894         calculate_local_reg_remat_bb_data before create_cands.
9896 2016-01-27  H.J. Lu  <hongjiu.lu@intel.com>
9898         PR target/68986
9899         * config/i386/i386.c (ix86_update_stack_boundary): Don't
9900         change stack_alignment_needed for __tls_get_addr call.
9902 2016-01-27  Segher Boessenkool  <segher@kernel.crashing.org>
9904         * config/rs6000/rs6000.c (print_operand): Rollback 's' removal.
9906 2016-01-27  Jeff Law  <law@redhat.com>
9908         PR tree-optimization/68398
9909         PR tree-optimization/69196
9910         * params.def (PARAM_FSM_SCALE_PATH_STMTS): New parameter.
9911         (PARAM_FSM_SCALE_PATH_BLOCKS): Likewise.
9912         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
9913         Only count PHIs in the last block in the path.  The others will
9914         const/copy propagate away.  Add heuristic to allow more irreducible
9915         subloops to be created when it is likely profitable to do so.
9917         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
9918         Fix typo in comment.  Use gsi_after_labels and remove the GIMPLE_LABEL
9919         check from within the loop.  Use gsi_next_nondebug rather than gsi_next.
9921 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
9923         PR lto/69254
9924         * sanitizer.def: Add BEGIN_SANITIZER_BUILTINS and
9925         END_SANITIZER_BUILTINS markers using DEF_BUILTIN_STUB.
9926         * asan.c (DEF_BUILTIN_STUB): Temporarily define.
9927         * tree-streamer-in.c: Include asan.h.
9928         (streamer_get_builtin_tree): For builtins in sanitizer
9929         range call initialize_sanitizer_builtins and retry.
9931 2016-01-27  Ian Lance Taylor  <iant@google.com>
9933         * common.opt (fkeep-gc-roots-live): New undocumented option.
9934         * tree-ssa-loop-ivopts.c (add_candidate_1): If
9935         -fkeep-gc-roots-live, skip pointers.
9936         (add_iv_candidate_for_biv): Handle add_candidate_1 returning
9937         NULL.
9939 2016-01-27  Uros Bizjak  <ubizjak@gmail.com>
9941         PR target/69512
9942         * config/i386/i386.md (*zext<mode>_doubleword_and): New pattern.
9943         (*zext<mode>_doubleword): Disable for TARGET_ZERO_EXTEND_WITH_AND.
9945 2016-01-27  Thomas Klausner  <wiz@NetBSD.org>
9947         PR target/68380
9948         * configure.ac: NetBSD provides SSP in its C library.
9949         * configure: Updated.
9951 2016-01-27  Richard Biener  <rguenther@suse.de>
9953         PR tree-optimization/69166
9954         * tree-vect-loop.c (vect_is_simple_reduction): Always check
9955         reduction code for commutativity / associativity.
9957 2016-01-27  Martin Jambor  <mjambor@suse.cz>
9959         PR tree-optimization/69355
9960         * tree-sra.c (analyze_access_subtree): Correct hole detection when
9961         total_scalarization fails.
9963 2016-01-27  David Edelsohn  <dje.gcc@gmail.com>
9965         * config/rs6000/driver-rs6000.c (detect_processor_aix): Add
9966         power9.
9968 2016-01-27  Christian Bruel  <christian.bruel@st.com>
9970         PR target/69245
9971         * config/arm/arm-c.c (arm_pragma_target_parse): Add comments.
9972         Move arm_reset_previous_fndecl and set_target_option_current_node in
9973         the conditional part.  Call save_restore_target_globals.
9974         * config/arm/arm.c (arm_set_current_function):
9975         Refactor to better support #pragma target and attribute mix.
9976         Call save_restore_target_globals.
9977         * config/arm/arm-protos.h (save_restore_target_globals): New function.
9979 2016-01-27  Martin Liska  <mliska@suse.cz>
9981         * hsa.c (hsa_summary_t::link_functions): Create IPA_REF_ADDR
9982         reference for an HSA kernel and its host function.
9984 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
9986         PR tree-optimization/69399
9987         * wide-int.h (wi::lrshift): For larger precisions, only
9988         use fast path if shift is known to be < HOST_BITS_PER_WIDE_INT.
9990 2016-01-27  Claudiu Zissulescu  <claziss@synopsys.com>
9992         * config/arc/predicates.md (proper_comparison_operator): Reject
9993         constant-constant comparison.
9995 2016-01-26  Tom de Vries  <tom@codesourcery.com>
9997         PR tree-optimization/69110
9998         * tree-data-ref.c (initialize_data_dependence_relation): Handle
9999         DR_NUM_DIMENSIONS == 0.
10001 2016-01-26  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
10002             Sebastian Pop  <s.pop@samsung.com>
10004         * graphite-isl-ast-to-gimple.c (ternary_op_to_tree): Handle
10005         isl_ast_op_cond and isl_ast_op_select.
10006         (gcc_expression_from_isl_expr_op): Same.
10008 2016-01-26  Jason Merrill  <jason@redhat.com>
10010         PR c++/68782
10011         * tree.c (recompute_constructor_flags): Split out from
10012         build_constructor.
10013         (verify_constructor_flags): New.
10014         * tree.h: Declare them.
10016 2016-01-26  Iain Buclaw  <ibuclaw@gdcproject.org>
10018         PR rtl-optimization/69217
10019         * var-tracking.c (tracked_record_parameter_p): Don't segfault if there
10020         are no TYPE_FIELDS set for the record type.
10022 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
10024         PR target/68662
10025         * config/rs6000/rs6000.c (rs6000_option_override_internal): Initialize
10026         toc_label_name unconditionally.
10027         (rs6000_emit_load_toc_table): Call ggc_strdup on toc_label_name for
10028         SYMBOL_REF string.  Use toc_label_name instead of constructing
10029         LCTOC1.
10030         (rs6000_elf_declare_function_name): Use toc_label_name instead of
10031         constructing LCTOC1.
10033 2016-01-26  Martin Sebor  <msebor@redhat.com>
10035         PR other/69477
10036         * doc/extend.texi (Common Type Attributes): Move text that talks about
10037         attribute packed from attribute aligned to the section discussing
10038         the former attribute for clarity.
10040 2016-01-26  Richard Henderson  <rth@redhat.com>
10042         PR middle-end/60908
10043         * trans-mem.c (tm_region_init): Mark entry block as visited.
10045 2016-01-26  David Malcolm  <dmalcolm@redhat.com>
10047         PR other/69006
10048         * diagnostic-show-locus.c (layout::print_source_line): Replace
10049         call to pp_newline with call to layout::print_newline.
10050         (layout::print_annotation_line): Likewise.
10051         (layout::move_to_column): Likewise.
10052         (layout::print_any_fixits): After printing any fixits, print a
10053         trailing newline, if necessary.
10054         (layout::print_newline): New method, resetting any colorization
10055         before a newline.
10056         (diagnostic_show_locus): Move the pp_newline to before the
10057         early bailout.  Remove dummy block enclosing the layout instance.
10058         * diagnostic.c (default_diagnostic_finalizer): Replace invocation
10059         of pp_newline_and_flush with pp_flush.
10060         (diagnostic_append_note): Delete use of pp_newline.
10061         (diagnostic_append_note_at_rich_loc): Delete.
10062         * diagnostic.h (diagnostic_append_note_at_rich_loc): Delete.
10063         * pretty-print.h (output_buffer_append_r): Reset buff->line_length
10064         when newline characters are added to the buffer.
10066 2016-01-26  Michael Matz  <matz@suse.de>
10068         * configure.ac (ac_cv_std_swap_in_utility): New test.
10069         * system.h (<algorithm>): Check HAVE_SWAP_IN_UTILITY as well.
10070         * configure: Regenerate.
10071         * config.in: Regenerate.
10073 2016-01-26  Claudiu Zissulescu  <claziss@synopsys.com>
10075         * config/arc/arc.md (cstoresi4): Force operand into register.
10076         (arcset<code>): Fix predicate.
10077         (arcsetltu): Likewise.
10078         (arcsetgeu): Likewise.
10079         (arcsethi): Likewise.
10080         (arcsetls): Likewise.
10082 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
10084         PR tree-optimization/69483
10085         * gimple-fold.c (canonicalize_constructor_val): Return NULL
10086         if base has error_mark_node type.
10088 2016-01-26  Christophe Lyon  <christophe.lyon@linaro.org>
10090         PR target/68620
10091         * config/arm/arm.c (neon_valid_immediate): Handle FP16 vectors.
10092         * config/arm/arm_neon.h (__ARM_NUM_LANES, __arm_lane, arm_lanq):
10093         New helper macros.
10094         (vget_lane_f16): Handle big-endian.
10095         (vgetq_lane_f16): Likewise.
10096         (vset_lane_f16): Likewise.
10097         (vsetq_lane_f16): Likewise.
10098         * config/arm/iterators.md (VQXMOV): Add V8HF.
10099         (VDQ): Add V4HF and V8HF.
10100         (V_reg): Handle V4HF and V8HF.
10101         (Is_float_mode): Likewise.
10102         * config/arm/neon.md (movv4hf, movv8hf, neon_vdup_nv4hf,
10103         neon_vdup_nv8hf): New patterns.
10104         (vec_set<mode>_internal, vec_extract<mode>, neon_vld1_dup<mode>):
10105         Use VD_LANE iterator.
10106         (neon_vld1_dup<mode>): Use VQ2 iterator.
10108 2016-01-26  Nathan Sidwell  <nathan@acm.org>
10110         * omp-low.h (oacc_fn_attrib_kernels_p): Declare.
10111         (set_oacc_fn_attrib): Add IS_KERNEL arg.
10112         * omp-low.c (set_oacc_fn_attrib): Add IS_KERNEL arg.
10113         (oacc_fn_attrib_kernels_p, oacc_fn_attrib_level): New.
10114         (expand_omp_target): Pass is_kernel to set_oacc_fn_attrib.
10115         (oacc_validate_dims): Add LEVEL arg, don't return level.
10116         (new_oacc_loop_routine): Use oacc_fn_attrib_level, not
10117         oacc_validate_dims.
10118         (execute_oacc_device_lower): Adjust, add more dump output.
10119         * tree-ssa-loop.c (gate_oacc_kernels): Use
10120         oacc_fn_attrib_kernels_p.
10121         * tree-parloops.c (create_parallel_loop): Adjust
10122         set_oacc_fn_attrib call.
10124 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
10126         PR lto/69254
10127         * lto-wrapper.c (merge_and_complain): Handle -fcilkplus.
10128         (append_compiler_options): Handle -fcilkplus.
10129         (append_linker_options): Ignore -fno-{openmp,openacc,cilkplus}.
10131 2016-01-26  Nick Clifton  <nickc@redhat.com>
10133         PR target/66655
10134         * config/i386/winnt.c (i386_pe_binds_local_p): If a function has
10135         been marked as DECL_ONE_ONLY but we do not the means to make it
10136         so, then do not allow it to bind locally.
10138 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
10140         PR lto/69254
10141         * opts.h (parse_sanitizer_options): New prototype.
10142         * opts.c (sanitizer_opts): New array.
10143         (parse_sanitizer_options): New function.
10144         (common_handle_option): Use parse_sanitizer_options.
10146 2016-01-26  H.J. Lu  <hongjiu.lu@intel.com>
10148         PR target/68986
10149         * config/i386/i386.c (ix86_compute_frame_layout): Move stack
10150         alignment adjustment to ...
10151         (ix86_update_stack_boundary): Here.  Don't over-align stack for
10152         __tls_get_addr.
10153         (ix86_finalize_stack_realign_flags): Use stack_alignment_needed
10154         if __tls_get_addr is called.
10156 2016-01-26  Christian Bruel  <christian.bruel@st.com>
10158         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Remove.
10160 2016-01-26  Eric Botcazou  <ebotcazou@adacore.com>
10162         * config/ia64/ia64.c (ia64_expand_vecint_compare): Use gen_int_mode.
10164 2016-01-26  Richard Biener  <rguenther@suse.de>
10166         PR middle-end/69467
10167         * match.pd: Guard X * CST CMP 0 pattern with single_use.
10169 2016-01-26  Richard Biener  <rguenther@suse.de>
10171         PR tree-optimization/69452
10172         * tree-ssa-loop-im.c (move_computations_dom_walker): Remove.
10173         (move_computations_dom_walker::before_dom_children): Rename
10174         to ...
10175         (move_computations_worker): This.
10176         (move_computations): Perform an RPO rather than a DOM walk.
10178 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
10180         PR target/69442
10181         * combine.c (combine_instructions): For REG_EQUAL note with
10182         SET_DEST being ZERO_EXTRACT, also temporarily set SET_DEST
10183         to the underlying register.
10184         * doc/rtl.texi (REG_EQUAL): Document the behavior of
10185         REG_EQUAL/REG_EQUIV notes if SET_DEST is ZERO_EXTRACT.
10187 2016-01-26  Roger Ferrer Ibáñez  <rofirrim@gmail.com>
10189         PR target/67896
10190         * config/aarch64/aarch64-builtins.c
10191         (aarch64_init_simd_builtin_types): Do not set structural
10192         equality to __Poly{8,16,64,128}_t types.
10194 2016-01-26  Richard Sandiford  <richard.sandiford@arm.com>
10196         PR tree-optimization/69400
10197         * wide-int.cc (wi_pack): Take the precision as argument and
10198         perform canonicalization here rather than in the callers.
10199         Use the main loop to handle all full-width HWIs.  Add a
10200         zero HWI if in_len isn't a full result.
10201         (wi::divmod_internal): Update accordingly.
10202         (wi::mul_internal): Likewise.  Simplify.
10204 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
10205             Sebastian Pop  <s.pop@samsung.com>
10207         * graphite-poly.c (apply_poly_transforms): Simplify.
10208         (print_isl_set): Use more readable format: ISL_YAML_STYLE_BLOCK.
10209         (print_isl_map): Same.
10210         (print_isl_union_map): Same.
10211         (print_isl_schedule): New.
10212         (debug_isl_schedule): New.
10213         * graphite-dependences.c (scop_get_reads): Do not call
10214         isl_union_map_add_map that is undocumented isl functionality.
10215         (scop_get_must_writes): Same.
10216         (scop_get_may_writes): Same.
10217         (scop_get_original_schedule): Remove.
10218         (scop_get_dependences): Do not call isl_union_map_compute_flow that
10219         is deprecated in isl 0.15.  Instead, use isl_union_access_* interface.
10220         (compute_deps): Remove.
10221         * graphite-isl-ast-to-gimple.c (print_schedule_ast): New.
10222         (debug_schedule_ast): New.
10223         (translate_isl_ast_to_gimple::scop_to_isl_ast): Call
10224         set_separate_option.
10225         (graphite_regenerate_ast_isl): Add dump.
10226         (translate_isl_ast_to_gimple::scop_to_isl_ast): Generate code
10227         from scop->transformed_schedule.
10228         (graphite_regenerate_ast_isl): Add more dump.
10229         * graphite-optimize-isl.c (optimize_isl): Set
10230         scop->transformed_schedule.  Check whether schedules are equal.
10231         (apply_poly_transforms): Move here.
10232         * graphite-poly.c (apply_poly_transforms): ... from here.
10233         (free_poly_bb): Static.
10234         (free_scop): Static.
10235         (pbb_number_of_iterations_at_time): Remove.
10236         (print_isl_ast): New.
10237         (debug_isl_ast): New.
10238         (debug_scop_pbb): New.
10239         * graphite-scop-detection.c (print_edge): Move.
10240         (print_sese): Move.
10241         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Remove.
10242         (build_scop_scattering): Remove.
10243         (create_pw_aff_from_tree): Assert instead of bailing out.
10244         (add_condition_to_pbb): Remove unused code, do not fail.
10245         (add_conditions_to_domain): Same.
10246         (add_conditions_to_constraints): Remove.
10247         (build_scop_context): New.
10248         (add_iter_domain_dimension): New.
10249         (build_iteration_domains): Initialize pbb->iterators.
10250         Call add_conditions_to_domain.
10251         (nested_in): New.
10252         (loop_at): New.
10253         (index_outermost_in_loop): New.
10254         (index_pbb_in_loop): New.
10255         (outermost_pbb_in): New.
10256         (add_in_sequence): New.
10257         (add_outer_projection): New.
10258         (outer_projection_mupa): New.
10259         (add_loop_schedule): New.
10260         (build_schedule_pbb): New.
10261         (build_schedule_loop): New.
10262         (embed_in_surrounding_loops): New.
10263         (build_schedule_loop_nest): New.
10264         (build_original_schedule): New.
10265         (build_poly_scop): Call build_original_schedule.
10266         * graphite.h: Declare print_isl_schedule and debug_isl_schedule.
10267         (free_poly_dr): Remove.
10268         (struct poly_bb): Add iterators.  Remove schedule, transformed, saved.
10269         (free_poly_bb): Remove.
10270         (debug_loop_vec): Remove.
10271         (print_isl_ast): Declare.
10272         (debug_isl_ast): Declare.
10273         (scop_do_interchange): Remove.
10274         (scop_do_strip_mine): Remove.
10275         (scop_do_block): Remove.
10276         (flatten_all_loops): Remove.
10277         (optimize_isl): Remove.
10278         (pbb_number_of_iterations_at_time): Remove.
10279         (debug_scop_pbb): Declare.
10280         (print_schedule_ast): Declare.
10281         (debug_schedule_ast): Declare.
10282         (struct scop): Remove schedule.  Add original_schedule,
10283         transformed_schedule.
10284         (free_gimple_poly_bb): Remove.
10285         (print_generated_program): Remove.
10286         (debug_generated_program): Remove.
10287         (unify_scattering_dimensions): Remove.
10288         * sese.c (print_edge): ... here.
10289         (print_sese): ... here.
10290         (debug_edge): ... here.
10291         (debug_sese): ... here.
10292         * sese.h (print_edge): Declare.
10293         (print_sese): Declare.
10294         (dump_edge): Declare.
10295         (dump_sese): Declare.
10297 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
10298             Sebastian Pop  <s.pop@samsung.com>
10300         * Makefile.in: Set ISLVER in site.exp.
10302 2016-01-25  Jakub Jelinek  <jakub@redhat.com>
10304         * omp-low.c (lower_omp_target) <case USE_DEVICE_PTR>: Set
10305         DECL_VALUE_EXPR of new_var even for the non-array case.  Look
10306         through DECL_VALUE_EXPR for expansion.
10308 2016-01-25  Bernd Edlinger  <bernd.edlinger@hotmail.de>
10310         * config/mips/mips.c (mips_compute_frame_info): Skip re-computing
10311         the frame info after reload completed.
10313 2016-01-25  Jeff Law  <law@redhat.com>
10315         PR tree-optimization/69196
10316         PR tree-optimization/68398
10317         * tree-ssa-threadupdate.h (enum bb_dom_status): Moved here from
10318         tree-ssa-threadupdate.c.
10319         (determine_bb_domination_status): Prototype
10320         * tree-ssa-threadupdate.c (enum bb_dom_status): Remove
10321         (determine_bb_domination_status): No longer static.
10322         (valid_jump_thread_path): Remove code to detect characteristics
10323         of the jump thread path not associated with correctness.
10324         * tree-ssa-threadbackward.c (fsm_find_control_statment_thread_paths):
10325         Correct test for thread path length.  Count PHIs for real operands as
10326         statements that need to be copied.  Do not count ASSERT_EXPRs.
10327         Look at all the blocks in the thread path.  Compute and selectively
10328         filter thread paths based on threading through the latch, threading
10329         a multiway branch or crossing a multiway branch.
10331 2016-01-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
10333         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled):  Add
10334         decl with __attribute__ ((unused)) annotation.
10336 2016-01-25  Ilya Enkovich  <enkovich.gnu@gmail.com>
10338         PR target/69421
10339         * tree-vect-stmts.c (vectorizable_condition): Check vectype
10340         of operands is compatible with a statement vectype.
10342 2016-01-25  Eric Botcazou  <ebotcazou@adacore.com>
10344         * doc/extend.texi (scalar_storage_order type attribute): Fix typo and
10345         improve wording for mixed storage order support.
10347 2016-01-25  Bilyan Borisov  <bilyan.borisov@arm.com>
10349         * config/aarch64/arm_neon.h (vcvt_s64_f64): New intrinsic.
10350         (vcvt_u64_f64): Likewise.
10351         (vcvta_s64_f64): Likewise.
10352         (vcvta_u64_f64): Likewise.
10353         (vcvtm_s64_f64): Likewise.
10354         (vcvtm_u64_f64): Likewise.
10355         (vcvtn_s64_f64): Likewise.
10356         (vcvtn_u64_f64): Likewise.
10357         (vcvtp_s64_f64): Likewise.
10358         (vcvtp_u64_f64): Likewise.
10360 2016-01-25  Claudiu Zissulescu  <claziss@synopsys.com>
10362         * config/arc/arc.c (TARGET_DWARF_REGISTER_SPAN): Define.
10363         (arc_init): Check validity mll64 option.
10364         (arc_save_restore): Use double load/store instruction.
10365         (arc_expand_movmem): Likewise.
10366         (arc_split_move): Don't split if we have double load/store
10367         instructions. Returns a boolean.
10368         (arc_process_double_reg_moves): Change function to return boolean
10369         instead of a sequence of instructions.
10370         (arc_dwarf_register_span): New function.
10371         * config/arc/arc-protos.h (arc_split_move): Change prototype.
10372         * config/arc/arc.h (TARGET_CPU_CPP_BUILTINS): Define __ARC_LL64__.
10373         * config/arc/arc.md (*movdi_insn): Emit ldd/std instructions.
10374         (*movdf_insn): Likewise.
10375         * config/arc/arc.opt (mll64): New option.
10376         * config/arc/predicates.md (even_register_operand): New predicate.
10377         * doc/invoke.texi (ARC Options): Add mll64 documentation.
10379 2016-01-25  Richard Biener  <rguenther@suse.de>
10381         PR lto/69393
10382         * dwarf2out.c (is_naming_typedef_decl): Not when DECL_NAMELESS.
10383         * tree-streamer-out.c (pack_ts_base_value_fields): Stream
10384         DECL_NAMELESS.
10385         * tree-streamer-in.c (unpack_ts_base_value_fields): Likewise.
10387 2016-01-25  Richard Biener  <rguenther@suse.de>
10389         PR tree-optimization/69376
10390         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add range_info_anti_range_p
10391         flag.
10392         (VN_INFO_ANTI_RANGE_P): New inline.
10393         (VN_INFO_RANGE_TYPE): Likewise.
10394         * tree-ssa-sccvn.c (set_ssa_val_to): Also record and copy
10395         SSA_NAME_ANTI_RANGE_P.
10396         (free_scc_vn): Restore SSA_NAME_ANTI_RANGE_P.
10397         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
10398         Properly query VN_INFO_RANGE_TYPE.
10400 2016-01-25  Nick Clifton  <nickc@redhat.com>
10402         PR target/66655
10403         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Remove definition.
10405 2016-01-23  Tom de Vries  <tom@codesourcery.com>
10407         PR tree-optimization/69426
10408         * tree-parloops.c (eliminate_local_variables_stmt): Handle vdef of
10409         removed clobber.
10411 2016-01-23  Jakub Jelinek  <jakub@redhat.com>
10413         * tree-ssanames.c (release_free_names_and_compact_live_names): Replace
10414         "the the" with "the" in the comments.
10415         * ipa-devirt.c (build_type_inheritance_graph,
10416         update_type_inheritance_graph): Likewise.
10417         * tree.c (build_function_type_list_1): Likewise.
10418         * cfgloopmanip.c (scale_loop_profile): Likewise.
10419         * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Likewise.
10420         * gimple-ssa-split-paths.c
10421         (find_block_to_duplicate_for_splitting_paths): Likewise.
10422         * tree-sra.c (init_subtree_with_zero, clobber_subtree): Likewise.
10423         * expr.c (convert_move): Likewise.
10424         * var-tracking.c (vt_stack_adjustments): Likewise.
10425         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
10426         * tree-vrp.c (test_for_singularity): Likewise.
10428         * tree-vect-stmts.c (vectorizable_condition): Build a VEC_COND_EXPR
10429         directly instead of building a temporary tree.
10431         PR bootstrap/69434
10432         * genrecog.c: Define INCLUDE_ALGORITHM before including system.h,
10433         remove <algorithm> include.
10435 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
10437         PR target/69432
10438         * config/i386/i386.c: Include dojump.h.
10439         (expand_small_movmem_or_setmem,
10440         expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Spelling
10441         fixes.
10442         (ix86_expand_set_or_movmem): Call do_pending_stack_adjust () early
10443         if dynamic_check != -1.
10445 2016-01-21  Jeff Law  <law@redhat.com>
10447         PR middle-end/69347
10448         * tree-ssa-dom.c (back_propagate_equivalences): Factored out of
10449         record_temporary_equivalences.  Rewritten to avoid unnecessary calls
10450         into dominated_by_p.
10451         (cprop_into_successor_phis): Avoid unnecessary tests.
10453 2016-01-22  Richard Henderson  <rth@redhat.com>
10455         PR target/69416
10456         * config/aarch64/aarch64.md (UNSPEC_NZCV): New.
10457         (ccmp<mode>, fccmp<mode>, fccmpe<mode>): Use it.
10459 2016-01-22  Michael Matz  <matz@suse.de>
10461         * system.h (string, algorithm): Include only conditionally.
10462         (new): Include always under C++.
10463         * bb-reorder.c (toplevel): Define INCLUDE_ALGORITHM.
10464         * final.c (toplevel): Ditto.
10465         * ipa-chkp.c (toplevel): Define INCLUDE_STRING.
10466         * genconditions.c (write_header): Make gencondmd.c define
10467         INCLUDE_STRING.
10468         * mem-stats.h (mem_usage::print_dash_line): Don't use std::string.
10470         * config/aarch64/aarch64.c (toplevel): Define INCLUDE_STRING.
10471         * common/config/aarch64/aarch64-common.c (toplevel): Ditto.
10473 2016-01-22  Christian Bruel  <christian.bruel@st.com>
10475         PR target/68674
10476         * expr.c (expand_expr_real_1): Reset DECL_MODE if VECTOR_TYPE_P changed.
10478 2016-01-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10480         PR target/69403
10481         * config/arm/thumb2.md (*thumb2_ior_scc_strict_it): Convert to
10482         define_insn_and_split.  Ensure operands[1] and operands[0] do not
10483         get assigned the same register.
10485 2016-01-22  Kugan Vivekanandarajah  <kuganv@linaro.org>
10487         * ipa-prop.c (ipa_set_jf_constant): Remove redundant unshare_expr.
10489 2016-01-22  Christian Bruel  <christian.bruel@st.com>
10491         * config/arm/arm-c.c (arm_pragma_target_parse):
10492         Remove warn_builtin_macro_redefined overwrite.
10494 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
10496         * ipa-inline.c (can_inline_edge_p): Back out overzealous check on
10497         flag_non_call_exceptions compatibility.
10499 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
10501         PR debug/66668
10502         * dwarf2out.c (add_child_die_after): New function.
10503         (dwarf_qual_info_t): New type.
10504         (dwarf_qual_info): New variable.
10505         (qualified_die_p): New function.
10506         (modified_type_die): For -fdebug-types-section, ensure
10507         canonical order of qualifiers.  Put qualified DIEs adjacent
10508         to the corresponding non-qualified type DIE and search there
10509         for existing qualified DIEs.
10511 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
10513         * doc/extend.texi (scalar_storage_order type attribute): Document
10514         restriction on type punning and aliasing, and remove future tense.
10516 2016-01-21  Roman Zhuykov  <zhroma@ispras.ru>
10518         PR target/69252
10519         * modulo-sched.c (optimize_sc): Allow branch-scheduling to add a new
10520         first stage.
10522 2016-01-21  Jeff Law  <law@redhat.com>
10524         PR middle-end/69347
10525         * tree-ssa-dom.c (dom_opt_dom_walker::thread_across_edge): Avoid
10526         useless call to record_temporary_equivalences.
10527         * tree-ssa-threadbackward.c (find_jump_threads_backwards): Just
10528         allocate 10 slots in the bb_path vector and let it grow as needed.
10529         (fsm_find_control_statement_thread_paths): Similarly for the next_path
10530         vector.
10532 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
10534         * configure.ac (gcc_cv_as_powerpc_mfcrf, gcc_cv_as_machine_directive):
10535         Detangle.
10536         * configure: Regenerate.
10538 2016-01-21  Pat Haugen  <pthaugen@us.ibm.com>
10540         * config/rs6000/aix71.h (ASM_CPU_SPEC): Add entry for Power9.
10541         * config/rs6000/driver-rs6000.c (struct asm_names): Likewise.
10543 2016-01-21  Bernd Schmidt  <bschmidt@redhat.com>
10545         PR middle-end/66178
10546         * expr.c (expand_expr_real_2) [PLUS_EXPR, MINUS_EXPR]: Don't
10547         drop EXPAND_INITIALIZER.
10548         * rtl.h (contains_symbolic_reference_p): Declare.
10549         * rtlanal.c (contains_symbolic_reference_p): New function.
10550         * simplify-rtx.c (simplify_binary_operation_1): Don't turn
10551         a subtraction into a NOT if symbolic constants are involved.
10553 2016-01-21  Anton Blanchard  <anton@samba.org>
10554             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
10556         PR target/63354
10557         * config/rs6000/linux64.h (TARGET_KEEP_LEAF_WHEN_PROFILED): New
10558         #define.
10559         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): New
10560         function.
10562 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
10564         * config/microblaze/microblaze.c
10565         (get_branch_target): New.
10566         (insert_wic_for_ilb_runout): New.
10567         (insert_wic): New.
10568         (microblaze_machine_dependent_reorg): New.
10569         (TARGET_MACHINE_DEPENDENT_REORG): Define macro.
10570         * config/microblaze/microblaze.md
10571         (UNSPEC_IPREFETCH): Define.
10572         (iprefetch): New pattern
10573         * config/microblaze/microblaze.opt
10574         (mxl-prefetch): New flag.
10576 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
10578         * config/microblaze/microblaze.h
10579         (FIXED_REGISTERS): Update in macro.
10580         (CALL_USED_REGISTERS): Update in macro.
10582 2016-01-21  Yuri Rumyantsev  <ysrumyan@gmail.com>
10584         PR rtl-optimization/68920
10585         * ifcvt.c (cond_move_process_if_block): Limit number of conditional
10586         moves.
10588 2016-01-21  Vladimir Makarov  <vmakarov@redhat.com>
10590         PR rtl-optimization/68990
10591         * lra-coalesce.c (lra_coalesce): Invalidate value for the result
10592         pseudo instead of inheritance ones.
10594 2016-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
10595             Nick Clifton  <nickc@redhat.com>
10597         PR target/69129
10598         PR target/69012
10599         * config/mips/mips.c (mips_compute_frame_info): Initialise
10600         args_size and hard_frame_pointer_offset fields of the frame
10601         structure before calling mips_global_pointer.
10603 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
10605         * configure.ac (gcc_cv_as_dwloc): Test support for debug frame section
10606         label reference.
10607         * configure: Regenerate.
10609 2016-01-21  Richard Biener  <rguenther@suse.de>
10611         * graphite-optimize-isl.c (get_schedule_map): Fix typo.
10613 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
10615         * config/s390/s390.c (s390_asm_declare_function_size): Add code
10616         to actually emit the .size directive.
10618 2016-01-21   Stefan Sørensen  <stefan.sorensen@spectralink.com>
10619              Jakub Jelinek  <jakub@redhat.com>
10621         PR target/69187
10622         PR target/65624
10623         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Increase
10624         args array size by one to avoid buffer overflow.
10626 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
10628         * config/s390/s390.md (pool_section_start): Use switch_to_section
10629         to select proper read-only data section instead of hardcoding
10630         .rodata.
10631         (pool_section_end): Use switch_to_section to match the above.
10633 2016-01-21  Richard Biener  <rguenther@suse.de>
10635         PR tree-optimization/69378
10636         * tree-ssa-sccvn.c (dominated_by_p_w_unex): New function.
10637         (set_ssa_val_to): Use it for dominance checks taking into
10638         account not executable edges.
10640 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
10642         PR c++/69355
10643         * tree-dfa.c (get_ref_base_and_extent): Use GET_MODE_BITSIZE (mode)
10644         for bitsize instead of GET_MODE_PRECISION (mode).
10646 2016-01-20  Martin Sebor  <msebor@redhat.com>
10648         PR c/52291
10649         * extend.texi (__sync Builtins): Clarify the semantics of
10650         __sync_fetch_and_OP built-ins on pointers.
10651         (__atomic Builtins): Same.
10653 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
10654             Sebastian Pop  <s.pop@samsung.com>
10656         * graphite-isl-ast-to-gimple.c (enum phi_node_kind): New.
10657         (class translate_isl_ast_to_gimple): Use phi_node_kind instead of bool.
10658         (is_valid_rename): Same.
10659         (translate_isl_ast_to_gimple::get_rename): Same.
10660         (translate_isl_ast_to_gimple::rename_all_uses): Same.
10661         (translate_isl_ast_to_gimple::rename_uses): Same.
10662         (get_new_name): Check for close_phi nodes.
10663         (copy_loop_phi_args): Use phi_node_kind.
10664         (translate_isl_ast_to_gimple::copy_loop_close_phi_args): Same.
10665         (translate_isl_ast_to_gimple::copy_cond_phi_args): Same.
10667 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
10668             Sebastian Pop  <s.pop@samsung.com>
10670         Revert commit r229783.
10671         * graphite-isl-ast-to-gimple.c (gcc_expression_from_isl_ast_expr_id):
10672         Remove use of parameter_rename_map.
10673         (copy_def): Remove.
10674         (copy_internal_parameters): Remove.
10675         (graphite_regenerate_ast_isl): Remove call to copy_internal_parameters.
10676         * sese.c (new_sese_info): Do not initialize parameter_rename_map.
10677         (free_sese_info): Do not free parameter_rename_map.
10678         (set_rename): Do not use parameter_rename_map.
10679         (rename_uses): Update call to set_rename.
10680         (graphite_copy_stmts_from_block): Do not use parameter_rename_map.
10681         * sese.h (parameter_rename_map_t): Remove.
10682         (struct sese_info_t): Remove field parameter_rename_map.
10684 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
10685             Sebastian Pop  <s.pop@samsung.com>
10687         * graphite-isl-ast-to-gimple.c: Fix comment.
10688         * graphite-scop-detection.c (defined_in_loop_p): New.
10689         (canonicalize_loop_closed_ssa): Do not add close phi nodes for SSA
10690         names defined in loop.
10692 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
10693             Sebastian Pop  <s.pop@samsung.com>
10695         * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
10696         Discard unstructured if-then-else regions.
10698 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
10699             Sebastian Pop  <s.pop@samsung.com>
10701         * graphite-sese-to-poly.c (set_scop_parameter_dim): Remove.
10702         (cleanup_loop_iter_dom): Remove.
10703         (build_loop_iteration_domains): Remove.
10704         (build_scop_context): Remove.
10705         (build_scop_iteration_domain): Remove.
10706         (add_loop_constraints): New.
10707         (build_iteration_domains): New.
10708         (build_poly_scop): Call build_iteration_domains.
10710 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
10711             Sebastian Pop  <s.pop@samsung.com>
10713         * graphite-scop-detection.c
10714         (scop_detection::harmful_loop_in_region): Free dom and loops.
10715         (scop_detection::loop_body_is_valid_scop): Free bbs.
10717 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
10718             Sebastian Pop  <s.pop@samsung.com>
10720         * graphite-scop-detection.c (record_loop_in_sese): New.
10721         (gather_bbs::before_dom_children): Call record_loop_in_sese.
10722         (build_scops): Remove call to build_sese_loop_nests.
10723         * sese.c (sese_record_loop): Remove.
10724         (build_sese_loop_nests): Remove.
10725         (new_sese_info): Remove region->loops.
10726         (free_sese_info): Same.
10727         * sese.h (sese_contains_loop): Same.
10728         (build_sese_loop_nests): Remove.
10729         (sese_contains_loop): Remove.
10731 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
10732             Sebastian Pop  <s.pop@samsung.com>
10734         * graphite-scop-detection.c (loop_is_valid_scop): Renamed
10735         loop_is_valid_in_scop.
10736         (scop_detection::harmful_stmt_in_region): Renamed
10737         harmful_loop_in_region.
10738         Call loop_is_valid_in_scop.
10740 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
10741             Sebastian Pop  <s.pop@samsung.com>
10743         * graphite-isl-ast-to-gimple.c (translate_isl_ast): Also handle
10744         isl_ast_node_mark.
10746 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
10747             Sebastian Pop  <s.pop@samsung.com>
10749         * graphite-poly.c (new_poly_bb): Remove use of PBB_IS_REDUCTION.
10750         * graphite.h (struct poly_bb): Remove field is_reduction.
10751         (PBB_IS_REDUCTION): Remove.
10753 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
10754             Sebastian Pop  <s.pop@samsung.com>
10756         * graphite-dependences.c (constrain_domain): Add call to isl_*_coalesce.
10757         (add_pdr_constraints): Same.
10758         (scop_get_reads): Same.
10759         (scop_get_must_writes): Same.
10760         (scop_get_may_writes): Same.
10761         (scop_get_original_schedule): Same.
10762         (extend_schedule): Same.
10763         (apply_schedule_on_deps): Same.
10764         (carries_deps): Same.
10765         (compute_deps): Same.
10766         (scop_get_dependences): Same.
10767         * graphite-isl-ast-to-gimple.c
10768         (translate_isl_ast_to_gimple::generate_isl_schedule): Same.
10769         * graphite-optimize-isl.c (get_schedule_for_band): Same.
10770         (get_schedule_for_band_list): Same.
10771         (get_schedule_map): Same.
10772         (apply_schedule_map_to_scop): Same.
10773         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
10774         (build_loop_iteration_domains): Same.
10775         (add_condition_to_pbb): Same.
10776         (add_param_constraints): Same.
10777         (pdr_add_memory_accesses): Same.
10778         (pdr_add_data_dimensions): Same.
10780 2016-01-20  Sandra Loosemore  <sandra@codesourcery.com>
10782         * doc/invoke.texi (Instrumentation Options): Clarify -mmpx linking
10783         requirements.
10785 2016-01-20  Sandra Loosemore  <sandra@codesourcery.com>
10787         * common.opt (feliminate-dwarf2-dups): Replace references to
10788         "DWARF 2" with just "DWARF".
10789         * config/ia64/ia64.opt (mdwarf2-asm): Likewise.
10790         * doc/extend.texi: Likewise.
10791         * doc/cpp.texi: Likewise.
10792         * doc/invoke.texi: Likewise.
10793         (Option Summary): Add -gdwarf to list of Debugging Options.
10794         (Debugging Options): Document -gdwarf.
10795         * doc/contrib.texi: Spell "DWARF" like that.
10797 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
10799         * omp-low.c (expand_omp_target): Avoid -Wmaybe-uninitialized
10800         warning.  Fix up formatting.
10802         PR middle-end/67653
10803         * gimplify.c (gimplify_asm_expr): Warn if it is too late to
10804         attempt to mark memory input operand addressable and
10805         call prepare_gimple_addressable in that case.  Don't adjust
10806         input_location for diagnostics, use error_at instead.
10808 2016-01-20  Peter Bergner  <bergner@vnet.ibm.com>
10810         * config/rs6000/ppc-auxv.h: New file.
10811         * config/rs6000/rs6000-builtin.def (cpu_init): Add new builtin.
10812         (cpu_is): Likewise.
10813         (cpu_supports): Likewise.
10814         * config/rs6000/rs6000.c: include "ppc-auxv.h".
10815         (cpu_is_info): New variable.
10816         (cpu_supports_info): Likewise.
10817         (tcb_verification_symbol): Likewise.
10818         (cpu_builtin_p): Likewise.
10819         (cpu_expand_builtin): New function.
10820         (rs6000_expand_ternop_builtin): Add support for CPU builtin functions.
10821         (rs6000_init_builtins): Likewise.
10822         (rs6000_elf_file_end): Emit HWCAP in TCB verification symbol.
10823         * config/rs6000/rs6000.h (TLS_REGNUM): New define.
10824         * configure.ac (gcc_cv_libc_provides_hwcap_in_tcb): New test.
10825         * configure: Regenerate.
10826         * config.in: Likewise.
10827         * doc/extend.texi (PowerPC Built-in Functions): Document
10828         __builtin_cpu_init, __builtin_cpu_is and __builtin_cpu_supports.
10830 2016-01-20  David Edelsohn  <dje.gcc@gmail.com>
10832         PR target/68609
10833         * config/rs6000/rs6000.c (rs6000_emit_swsqrt): Add vector sqrt
10834         domain check.
10835         * config/rs6000/vector.md (sqrt<mode>2): Call rs6000_emit_swsqrt
10836         for V4SFmode.
10838 2016-01-20  Richard Henderson  <rth@redhat.com>
10840         PR bootstrap/69343
10841         PR bootstrap/69339
10842         PR tree-opt/68964
10843         Revert:
10844         * tree.c (tm_define_builtin): New.
10845         (find_tm_vector_type): New.
10846         (build_tm_vector_builtins): New.
10847         (build_common_builtin_nodes): Call it.
10849 2016-01-20  Christophe Lyon  <christophe.lyon@linaro.org>
10851         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Document new entry.
10852         (arm_fp_ok): Likewise.
10853         (arm_fp): Likewise.
10854         (arm_crypto): Likewise.
10856 2016-01-20  Ilya Enkovich  <enkovich.gnu@gmail.com>
10857             Richard Biener  <rguenther@suse.de>
10859         PR tree-optimization/69328
10860         * tree-vect-stmts.c (vect_is_simple_cond): Check compared
10861         vectors have same number of elements.
10862         (vectorizable_condition): Fix masked version recognition.
10864 2016-01-20  Richard Biener  <rguenther@suse.de>
10866         PR tree-optimization/69345
10867         * tree-ssa-sccvn.h (VN_INFO_RANGE_INFO): New inline function.
10868         (VN_INFO_PTR_INFO): Likewise.
10869         * tree-ssa-sccvn.c (set_ssa_val_to): Avoid clearing points-to
10870         info when it is equal between non-dominating SSA names.
10871         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
10872         Make sure to look at original SSA infos.
10874 2016-01-20  Jeff Law  <law@redhat.com>
10876         PR target/25114
10877         * config/m68k/predicates.md (pow2_m1_operand): New predicate
10878         extracted from ...
10879         (reg_or_pow2_m1_operand): Call pow2_m1_operand.
10880         (pc_or_label_operand): New predicate.
10881         * config/m68k/m68k.md: Add new peephole2 patterns for GTU/LEU
10882         tests for small integers that are 2^n - 1.
10884 2016-01-20  Jonathan Wakely  <jwakely@redhat.com>
10886         * doc/invoke.texi (Options Summary): Add '.' after @xref.
10888 2016-01-19  Jeff Law  <law@redhat.com>
10890         PR middle-end/69347
10891         * tree-ssa-threadbackwards.c
10892         (fsm_find_control_statement_thread_paths): Do not try to lookup
10893         FSM paths for SSA_NAMEs appearing in abnormal PHIs.
10895 2016-01-20  Kugan Vivekanandarajah  <kuganv@linaro.org>
10897         * doc/lto.texi: Remove text that says only Gold has linker plugin
10898         support.
10900 2016-01-19  Eric Botcazou  <ebotcazou@adacore.com>
10902         * dwarf2out.c (need_endianity_attribute_p): New inline predicate.
10903         (base_type_die): Add REVERSE parameter and attach DW_AT_endianity to
10904         the DIE accordingly.
10905         (modified_type_die): Add REVERSE parameter and pass it recursively,
10906         as well as to base_type_die.  Adjust presence check accordingly.
10907         (base_type_for_mode): Adjust call to modified_type_die.
10908         (add_type_attribute): Add REVERSE parameter and pass it to
10909         modified_type_die.
10910         (generic_parameter_die): Adjust call to add_type_attribute.
10911         (add_scalar_info): Likewise.
10912         (add_subscript_info): Likewise.
10913         (gen_array_type_die): Likewise.
10914         (gen_descr_array_type_die): Likewise.
10915         (gen_entry_point_die): Likewise.
10916         (gen_enumeration_type_die): Likewise.
10917         (gen_formal_parameter_die): Likewise.
10918         (gen_subprogram_die): Likewise.
10919         (gen_variable_die ): Likewise.
10920         (gen_const_die): Likewise.
10921         (gen_field_die): Likewise.
10922         (gen_pointer_type_die): Likewise.
10923         (gen_reference_type_die): Likewise.
10924         (gen_ptr_to_mbr_type_die): Likewise.
10925         (gen_inheritance_die): Likewise.
10926         (gen_subroutine_type_die): Likewise.
10927         (gen_typedef_die): Likewise.
10928         (force_type_die): Adjust call to modified_type_die.
10930 2016-01-19  Sandra Loosemore  <sandra@codesourcery.com>
10932         * doc/standards.texi: Copy-editing for grammar, markup, and sentence
10933         flow throughout the file.  Fix broken link to Objective-C 2.0
10934         documentation.
10935         * doc/invoke.texi: More copy-editing; fix numerous typos and spelling
10936         errors.
10938 2016-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
10940         * ccmp.c (expand_ccmp_expr_1): Avoid spurious unused warnings.
10942 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
10944         PR ipa/66223
10945         * ipa-devirt.c (is_cxa_pure_virtual_p): New function.
10946         (maybe_record_node): Record cxa_pure_virtual as the only possible
10947         target if there are not ohter candidates.
10948         (possible_polymorphic_call_target_p): Accept cxa_pure_virtual.
10950 2016-01-19  Richard Biener  <rguenther@suse.de>
10952         * hsa-gen.c (get_memory_order_name): Use MEMMODEL_ constants.
10953         (get_memory_order): Likewise.
10955 2016-01-19  Kirill Yukhin  <kirill.yukhin@intel.com>
10957         * tree-vect-stmts.c (vectorizable_store): Check
10958         rhs vectype.
10960 2016-01-19  David Malcolm  <dmalcolm@redhat.com>
10962         PR jit/68446
10963         * gcc.c (driver::decode_argv): Add call to
10964         init_opts_obstack before init_options_struct.
10965         * opts.c (init_opts_obstack): Remove idempotency.
10966         (init_options_struct): Replace call to init_opts_obstack
10967         with a gcc_assert to verify that it has already been called.
10968         * toplev.c (toplev::main): Add call to init_opts_obstack before
10969         calls to init_options_struct.
10970         (toplev::finalize): Move cleanup of opts_obstack next to
10971         cleanup of save_decoded_options, clearing the latter, and
10972         save_decoded_options_count.
10974 2016-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10976         PR target/69135
10977         * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Set "conds"
10978         attribute to unconditional.  Remove %? from output template.
10980 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
10981             Jiong Wang  <jiong.wang@arm.com>
10983         * ccmp.c (expand_ccmp_expr_1): Cost the instruction sequences
10984         generated from different expand order.
10986 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
10988         * /config/aarch64/aarch64.c (aarch64_if_then_else_costs):
10989         Add support for CCMP costing.
10991 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
10993         * ccmp.c (ccmp_candidate_p): Remove integer-only restriction.
10994         * config/aarch64/aarch64.md (fccmp<mode>): New pattern.
10995         (fccmpe<mode>): Likewise.
10996         (fcmp): Rename to fcmp and globalize pattern.
10997         (fcmpe): Likewise.
10998         * config/aarch64/aarch64.c (aarch64_gen_ccmp_first): Add FP support.
10999         (aarch64_gen_ccmp_next): Add FP support.
11001 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
11003         * target.def (gen_ccmp_first): Update documentation.
11004         (gen_ccmp_next): Likewise.
11005         * doc/tm.texi (gen_ccmp_first): Update documentation.
11006         (gen_ccmp_next): Likewise.
11007         * ccmp.c (expand_ccmp_expr): Extract cmp_code from return value of
11008         expand_ccmp_expr_1.  Improve comments.
11009         * config/aarch64/aarch64.md (ccmp_and): Use if_then_else for ccmp.
11010         (ccmp_ior<mode>): Remove pattern.
11011         (cmp<mode>): Remove expand.
11012         (cmp): Globalize pattern.
11013         (cstorecc4): Use cc_register.
11014         (mov<mode>cc): Remove ccmp_cc_register check.
11015         * config/aarch64/aarch64.c (aarch64_get_condition_code_1):
11016         Simplify after removal of CC_DNE/* modes.
11017         (aarch64_ccmp_mode_to_code): Remove.
11018         (aarch64_print_operand): Remove 'K' case.  Merge 'm' and 'M' cases.
11019         In 'k' case use integer as condition.
11020         (aarch64_nzcv_codes): Remove inverted cases.
11021         (aarch64_code_to_ccmode): Remove.
11022         (aarch64_gen_ccmp_first): Use cmp pattern directly.  Return the correct
11023         comparison with CC register to be used in folowing CCMP/branch/CSEL.
11024         (aarch64_gen_ccmp_next): Use previous comparison and mode in CCMP
11025         pattern.  Return the comparison with CC register.  Invert conditions
11026         when bitcode is OR.
11027         * config/aarch64/aarch64-modes.def: Remove CC_DNE/* modes.
11028         * config/aarch64/predicates.md (ccmp_cc_register): Remove.
11030 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
11032         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
11033         instrumented_version.
11035 2016-01-19  Richard Biener  <rguenther@suse.de>
11037         PR tree-optimization/69336
11038         * tree-ssa-scopedtables.c (avail_expr_hash): Handle all
11039         handled components with get_ref_base_and_extent.
11040         (equal_mem_array_ref_p): Adjust.
11042 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
11044         PR debug/65779
11045         * shrink-wrap.c: Include valtrack.h.
11046         (move_insn_for_shrink_wrap): Add DEBUG argument.  If
11047         MAY_HAVE_DEBUG_INSNS, call dead_debug_add on DEBUG_INSNs
11048         in between insn and where it will be moved to.  Call
11049         dead_debug_insert_temp.
11050         (prepare_shrink_wrap): Adjust caller.  Call dead_debug_local_init
11051         first and dead_debug_local_finish at the end.
11052         For uses and defs bitmap, handle all regs in between REGNO and
11053         END_REGNO, not just the first one.
11055 2016-01-19  Richard Biener  <rguenther@suse.de>
11057         PR tree-optimization/69352
11058         * tree-ssa-scopedtables.c (avail_expr_hash): Check for size == -1.
11059         (equal_mem_array_ref_p): Constrain size and max size properly.
11060         Compare the reverse flag.
11062 2016-01-19  Bernd Schmidt  <bschmidt@redhat.com>
11064         * ira.c (ira): Update regstat data if we deleted insns.
11066 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
11068         PR rtl-optimization/68955
11069         PR rtl-optimization/64557
11070         * dse.c (record_store, check_mem_read_rtx): Don't call get_addr
11071         here.  Fix up formatting.
11072         * alias.c (get_addr): Handle VALUE +/- CONST_SCALAR_INT_P.
11074 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
11076         PR lto/69133
11077         * cgraphunit.c (cgraph_node::expand_thunk): When forcing gimple
11078         assume that the node has body.
11079         * cgraph.c (cgraph_node::get_untransformed_body): Use gimple_body_p
11080         check.
11082 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
11084         * lto-streamer-out.c (lto_output): Do not stream instrumentation
11085         thunks.
11087 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
11089         * symtab.c (symtab_node::asm_name): Do not call printable name directly.
11090         (symtab_node::name): Report name as unnamed if DECL_NAME is not set.
11092 2016-01-19  Martin Jambor  <mjambor@suse.cz>
11093             Martin Liska  <mliska@suse.cz>
11094             Michael Matz  <matz@suse.de>
11096         * Makefile.in (OBJS): Add new source files.
11097         (GTFILES): Add hsa.c.
11098         * common.opt (disable_hsa): New variable.
11099         (-Whsa): New warning.
11100         * config.in (ENABLE_HSA): New.
11101         * configure.ac: Treat hsa differently from other accelerators.
11102         (OFFLOAD_TARGETS): Define ENABLE_OFFLOADING according to
11103         $enable_offloading.
11104         (ENABLE_HSA): Define ENABLE_HSA according to $enable_hsa.
11105         * doc/install.texi (Configuration): Document --with-hsa-runtime,
11106         --with-hsa-runtime-include, --with-hsa-runtime-lib and
11107         --with-hsa-kmt-lib.
11108         * doc/invoke.texi (-Whsa): Document.
11109         (hsa-gen-debug-stores): Likewise.
11110         * lto-wrapper.c (compile_images_for_offload_targets): Do not attempt
11111         to invoke offload compiler for hsa acclerator.
11112         * opts.c (common_handle_option): Determine whether HSA offloading
11113         should be performed.
11114         * params.def (PARAM_HSA_GEN_DEBUG_STORES): New parameter.
11115         * builtin-types.def (BT_FN_VOID_UINT_PTR_INT_PTR): New.
11116         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_INT_INT): Removed.
11117         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): New.
11118         * gimple-low.c (lower_stmt): Also handle GIMPLE_OMP_GRID_BODY.
11119         * gimple-pretty-print.c (dump_gimple_omp_for): Also handle
11120         GF_OMP_FOR_KIND_GRID_LOOP.
11121         (dump_gimple_omp_block): Also handle GIMPLE_OMP_GRID_BODY.
11122         (pp_gimple_stmt_1): Likewise.
11123         * gimple-walk.c (walk_gimple_stmt): Likewise.
11124         * gimple.c (gimple_build_omp_grid_body): New function.
11125         (gimple_copy): Also handle GIMPLE_OMP_GRID_BODY.
11126         * gimple.def (GIMPLE_OMP_GRID_BODY): New.
11127         * gimple.h (enum gf_mask): Added GF_OMP_PARALLEL_GRID_PHONY,
11128         GF_OMP_FOR_KIND_GRID_LOOP, GF_OMP_FOR_GRID_PHONY and
11129         GF_OMP_TEAMS_GRID_PHONY.
11130         (gimple_statement_omp_single_layout): Updated comments.
11131         (gimple_build_omp_grid_body): New function.
11132         (gimple_has_substatements): Also handle GIMPLE_OMP_GRID_BODY.
11133         (gimple_omp_for_grid_phony): New function.
11134         (gimple_omp_for_set_grid_phony): Likewise.
11135         (gimple_omp_parallel_grid_phony): Likewise.
11136         (gimple_omp_parallel_set_grid_phony): Likewise.
11137         (gimple_omp_teams_grid_phony): Likewise.
11138         (gimple_omp_teams_set_grid_phony): Likewise.
11139         (gimple_return_set_retbnd): Also handle GIMPLE_OMP_GRID_BODY.
11140         * omp-builtins.def (BUILT_IN_GOMP_OFFLOAD_REGISTER): New.
11141         (BUILT_IN_GOMP_OFFLOAD_UNREGISTER): Likewise.
11142         (BUILT_IN_GOMP_TARGET): Updated type.
11143         * omp-low.c: Include symbol-summary.h, hsa.h and params.h.
11144         (adjust_for_condition): New function.
11145         (get_omp_for_step_from_incr): Likewise.
11146         (extract_omp_for_data): Moved parts to adjust_for_condition and
11147         get_omp_for_step_from_incr.
11148         (build_outer_var_ref): Handle GIMPLE_OMP_GRID_BODY.
11149         (fixup_child_record_type): Bail out if receiver_decl is NULL.
11150         (scan_sharing_clauses): Handle OMP_CLAUSE__GRIDDIM_.
11151         (scan_omp_parallel): Do not create child functions for phony
11152         constructs.
11153         (check_omp_nesting_restrictions): Handle GIMPLE_OMP_GRID_BODY.
11154         (scan_omp_1_op): Checking assert we are not remapping to
11155         ERROR_MARK.  Also also handle GIMPLE_OMP_GRID_BODY.
11156         (parallel_needs_hsa_kernel_p): New function.
11157         (expand_parallel_call): Register apprpriate parallel child
11158         functions as HSA kernels.
11159         (grid_launch_attributes_trees): New type.
11160         (grid_attr_trees): New variable.
11161         (grid_create_kernel_launch_attr_types): New function.
11162         (grid_insert_store_range_dim): Likewise.
11163         (grid_get_kernel_launch_attributes): Likewise.
11164         (get_target_argument_identifier_1): Likewise.
11165         (get_target_argument_identifier): Likewise.
11166         (get_target_argument_value): Likewise.
11167         (push_target_argument_according_to_value): Likewise.
11168         (get_target_arguments): Likewise.
11169         (expand_omp_target): Call get_target_arguments instead of looking
11170         up for teams and thread limit.
11171         (grid_expand_omp_for_loop): New function.
11172         (grid_arg_decl_map): New type.
11173         (grid_remap_kernel_arg_accesses): New function.
11174         (grid_expand_target_kernel_body): New function.
11175         (expand_omp): Call it.
11176         (lower_omp_for): Do not emit phony constructs.
11177         (lower_omp_taskreg): Do not emit phony constructs but create for them
11178         a temporary variable receiver_decl.
11179         (lower_omp_taskreg): Do not emit phony constructs.
11180         (lower_omp_teams): Likewise.
11181         (lower_omp_grid_body): New function.
11182         (lower_omp_1): Call it.
11183         (grid_reg_assignment_to_local_var_p): New function.
11184         (grid_seq_only_contains_local_assignments): Likewise.
11185         (grid_find_single_omp_among_assignments_1): Likewise.
11186         (grid_find_single_omp_among_assignments): Likewise.
11187         (grid_find_ungridifiable_statement): Likewise.
11188         (grid_target_follows_gridifiable_pattern): Likewise.
11189         (grid_remap_prebody_decls): Likewise.
11190         (grid_copy_leading_local_assignments): Likewise.
11191         (grid_process_kernel_body_copy): Likewise.
11192         (grid_attempt_target_gridification): Likewise.
11193         (grid_gridify_all_targets_stmt): Likewise.
11194         (grid_gridify_all_targets): Likewise.
11195         (execute_lower_omp): Call grid_gridify_all_targets.
11196         (make_gimple_omp_edges): Handle GIMPLE_OMP_GRID_BODY.
11197         * tree-core.h (omp_clause_code): Added OMP_CLAUSE__GRIDDIM_.
11198         (tree_omp_clause): Added union field dimension.
11199         * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__GRIDDIM_.
11200         * tree.c (omp_clause_num_ops): Added number of arguments of
11201         OMP_CLAUSE__GRIDDIM_.
11202         (omp_clause_code_name): Added name of OMP_CLAUSE__GRIDDIM_.
11203         (walk_tree_1): Handle OMP_CLAUSE__GRIDDIM_.
11204         * tree.h (OMP_CLAUSE_GRIDDIM_DIMENSION): New.
11205         (OMP_CLAUSE_SET_GRIDDIM_DIMENSION): Likewise.
11206         (OMP_CLAUSE_GRIDDIM_SIZE): Likewise.
11207         (OMP_CLAUSE_GRIDDIM_GROUP): Likewise.
11208         * passes.def: Schedule pass_ipa_hsa and pass_gen_hsail.
11209         * tree-pass.h (make_pass_gen_hsail): Declare.
11210         (make_pass_ipa_hsa): Likewise.
11211         * ipa-hsa.c: New file.
11212         * lto-section-in.c (lto_section_name): Add hsa section name.
11213         * lto-streamer.h (lto_section_type): Add hsa section.
11214         * timevar.def (TV_IPA_HSA): New.
11215         * hsa-brig-format.h: New file.
11216         * hsa-brig.c: New file.
11217         * hsa-dump.c: Likewise.
11218         * hsa-gen.c: Likewise.
11219         * hsa.c: Likewise.
11220         * hsa.h: Likewise.
11221         * toplev.c (compile_file): Call hsa_output_brig.
11222         * hsa-regalloc.c: New file.
11224 2016-01-18  Jeff Law  <law@redhat.com>
11226         PR tree-optimization/69320
11227         * tree-ssa-dom.c (record_edge_info): For comparisons against a boolean
11228         ranged object, do nothing if the RHS constant is not [0..1].
11229         (optimize_stmt): Comparing a boolean ranged object against a
11230         constant outside [0..1] results in a compile-time constant.
11232         * tree-ssanames.c (ssa_name_has_boolean_range): Remove unnecessary
11233         test.
11235 2016-01-18  Sandra Loosemore  <sandra@codesourcery.com>
11237         * doc/invoke.texi (Invoking GCC): Add new section to menu.
11238         (Option Summary): Update to reflect new section and moved options.
11239         (C++ Dialect Options): Move -fstats to new section.
11240         (Debugging Options): Move all dump, statistics, and other GCC
11241         developer options to new section.  Rewrite section introduction
11242         and re-order remaining options to put the more basic ones first.
11243         (Optimization Options): Move -fira-verbose and -flto-report* to
11244         new section.
11245         (Developer Options): New section incorporating moved options.
11246         * doc/cppopts.texi (-dM): Update cross-reference.
11248 2016-01-18  Richard Henderson  <rth@redhat.com>
11250         PR target/69176
11251         * config/aarch64/aarch64.md (add<GPI>3): Move long immediate
11252         operands to pseudo only if CSE is expected.  Split long immediate
11253         operands only after reload, and for the stack pointer.
11254         (*add<GPI>3_pluslong): Remove.
11255         (*addsi3_aarch64, *adddi3_aarch64): Merge into...
11256         (*add<GPI>3_aarch64): ... here.  Add r/rk/Upl alternative.
11257         (*addsi3_aarch64_uxtw): Add r/rk/Upl alternative.
11258         (*add<GPI>3 peepholes): New.
11259         (*add<GPI>3 splitters): New.
11260         * config/aarch64/constraints.md (Upl): New.
11261         * config/aarch64/predicates.md (aarch64_pluslong_strict_immedate): New.
11263 2016-01-18  Richard Biener  <rguenther@suse.de>
11265         PR tree-optimization/69297
11266         * tree-vect-slp.c (vect_bb_slp_scalar_cost): Count each scalar
11267         stmt at most once.
11268         (vect_bb_vectorization_profitable_p): Clear visited flag again.
11270 2016-01-18  Yuri Rumyantsev  <ysrumyan@gmail.com>
11272         PR middle-end/68542
11273         * fold-const.c (fold_binary_op_with_conditional_arg): Bail out for case
11274         of mixind vector and scalar types.
11275         (fold_relational_const): Add handling of vector
11276         comparison with boolean result.
11277         * tree-cfg.c (verify_gimple_comparison): Add argument CODE, allow
11278         comparison of vector operands with boolean result for EQ/NE only.
11279         (verify_gimple_assign_binary): Adjust call for verify_gimple_comparison.
11280         (verify_gimple_cond): Likewise.
11281         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): Modify check on
11282         valid type of VAL.
11284 2016-01-18  Joseph Myers  <joseph@codesourcery.com>
11286         * config/mips/mips.h (ISA_HAS_PAIRED_SINGLE): Require
11287         !TARGET_OCTEON.
11289 2016-01-18  Richard Biener  <rguenther@suse.de>
11291         PR middle-end/69308
11292         * gimple.c (gimple_could_trap_p_1): Handle GIMPLE_COND.
11294 2016-01-18  Tom de Vries  <tom@codesourcery.com>
11296         * passes.def: Add pass_parallelize_loops to pass_oacc_kernels.
11298 2016-01-18  Tom de Vries  <tom@codesourcery.com>
11300         * omp-low.c (set_oacc_fn_attrib): Make extern.
11301         * omp-low.h (set_oacc_fn_attrib): Declare.
11302         * tree-parloops.c (struct reduction_info): Add reduc_addr field.
11303         (create_call_for_reduction_1): Handle case that reduc_addr is non-NULL.
11304         (create_parallel_loop, gen_parallel_loop, try_create_reduction_list):
11305         Add and handle function parameter oacc_kernels_p.
11306         (find_reduc_addr, get_omp_data_i_param): New function.
11307         (ref_conflicts_with_region, oacc_entry_exit_ok_1)
11308         (oacc_entry_exit_single_gang, oacc_entry_exit_ok): New function.
11309         (parallelize_loops): Add and handle function parameter oacc_kernels_p.
11310         Calculate dominance info.  Skip loops that are not in a kernels region
11311         in oacc_kernels_p mode.  Skip inner loops of parallelized loops.
11312         (pass_parallelize_loops::execute): Call parallelize_loops with
11313         oacc_kernels_p argument.
11314         (pass_parallelize_loops::clone, pass_parallelize_loops::set_pass_param):
11315         New member function.
11316         (pass_parallelize_loops::bool oacc_kernels_p): New member var.
11317         * passes.def: Add argument to pass_parallelize_loops instantation.
11319 2016-01-18  Tom de Vries  <tom@codesourcery.com>
11321         * tree-parloops.c (pass_parallelize_loops::execute): Allow
11322         pass_parallelize_loops to be run outside the loop pipeline.
11324 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
11326         * tree-scalar-evolution.c (follow_copies_to_constant): New.
11327         (analyze_initial_condition, analyze_scalar_evolution_1): Call previous.
11329 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
11331         PR target/63679
11332         * tree-ssa-scopedtables.c (avail_expr_hash): Hash MEM_REF and ARRAY_REF
11333         using get_ref_base_and_extent.
11334         (equal_mem_array_ref_p): New.
11335         (hashable_expr_equal_p): Add call to previous.
11337 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
11339         PR target/63679
11340         * tree-sra.c (disqualified_constants, constant_decl_p): New.
11341         (sra_initialize): Allocate disqualified_constants.
11342         (sra_deinitialize): Free disqualified_constants.
11343         (disqualify_candidate): Update disqualified_constants when appropriate.
11344         (create_access): Scan for constant-pool entries as we go along.
11345         (scalarizable_type_p): Add check against type_contains_placeholder_p.
11346         (maybe_add_sra_candidate): Allow constant-pool entries.
11347         (load_assign_lhs_subreplacements): Bind debug for constant pool vars.
11348         (initialize_constant_pool_replacements): New.
11349         (sra_modify_assign): Avoid mangling assignments created by previous,
11350         and don't generate writes into constant pool.
11351         (sra_modify_function_body): Call initialize_constant_pool_replacements.
11353 2016-01-18  Ilya Enkovich  <enkovich.gnu@gmail.com>
11355         * config/i386/i386.c (scalar_to_vector_candidate_p): Support
11356         andnot instruction.
11357         (scalar_chain::convert_op): Likewise.
11358         * config/i386/i386.md (*andndi3_doubleword): New.
11360 2016-01-18  Richard Biener  <rguenther@suse.de>
11362         PR tree-optimization/69170
11363         * tree-vect-slp.c (vect_build_slp_tree): Verify we are not
11364         building a vector from scalar results of a pattern stmt.
11366 2016-01-18  Jakub Jelinek  <jakub@redhat.com>
11368         * haifa-sched.c (autopref_multipass_init): Work around
11369         -Wmaybe-uninitialized warning.
11371 2016-01-18  Thomas Preud'homme  <thomas.preudhomme@arm.com>
11373         * config/arm/arm.c (thumb1_reorg): Check that the comparison is
11374         against the constant 0.
11376 2016-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
11378         PR tree-optimization/68799
11379         * gimple-ssa-strength-reduction.c (create_phi_basis): Directly
11380         look up phi candidates in the statement-candidate map.
11381         (phi_add_costs): Likewise.
11382         (record_phi_increments): Likewise.
11383         (phi_incr_cost): Likewise.
11384         (ncd_with_phi): Likewise.
11385         (all_phi_incrs_profitable): Likewise.
11387 2016-01-17  Jakub Jelinek  <jakub@redhat.com>
11389         * omp-low.c (mark_loops_in_oacc_kernels_region): Work around
11390         -Wmaybe-uninitialized warning.
11392 2016-01-16  Sandra Loosemore  <sandra@codesourcery.com>
11394         * doc/invoke.texi (Invoking GCC): Add new section to menu.
11395         (Option Summary): Update to reflect new section and moved options.
11396         (C++ Dialect Options): Move -fvtable-verify and related options.
11397         (Debugging Options): Move Sanitizer, Pointer Bounds Checker,
11398         and profiling-related options.
11399         (Optimization Options): Move profile generation options and
11400         -fstack-protector and related options.
11401         (Instrumentation Options): New section incorporating moved options.
11402         (Code Generation Options): Move -finstrument-functions and
11403         related options, -fstack-check, -fstack-limit*, and -fbounds-check.
11405 2016-01-16  Tom de Vries  <tom@codesourcery.com>
11407         * passes.def: Move pass_expand_omp_ssa out of pass_parallelize_loops.
11409 2016-01-16  Tom de Vries  <tom@codesourcery.com>
11411         * omp-low.c (expand_omp_atomic_fetch_op):  Release defs of update stmt.
11413 2016-01-16  Richard Sandiford  <richard.sandiford@arm.com>
11415         * hash-table.h (hash_table::empty): Turn into an inline wrapper
11416         that checks whether the table is already empty.  Rename the
11417         original implementation to...
11418         (hash_table::empty_slot): ...this new private function.
11420 2016-01-15  David Malcolm  <dmalcolm@redhat.com>
11422         PR diagnostic/68899
11423         * diagnostic-show-locus.c (layout::print_source_line): Move x
11424         offset of line until after call to
11425         get_line_width_without_trailing_whitespace.
11427 2016-01-15  Jeff Law  <law@redhat.com>
11429         PR tree-optimization/69270
11430         * tree-ssanames.c (ssa_name_has_boolean_range): Moved here from
11431         tree-ssa-dom.c.  Improve test for [0..1] ranve from VRP.
11432         * tree-ssa-dom.c (ssa_name_has_boolean_range): Remove.
11433         * tree-ssanames.h (ssa_name_has_boolean_range): Prototype.
11434         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
11435         ssa_name_has_boolean_range and constant_boolean_node.
11437 2016-01-15  Vladimir Makarov  <vmakarov@redhat.com>
11439         PR rtl-optimization/69030
11440         * lra-spills.c (remove_pseudos): Check nrefs and make the function
11441         returning bool.
11442         (spill_pseudos): Delete debug insn for dead pseudo.
11443         (lra_spill): Initiate spill_hard_reg and slots memory separately.
11445 2016-01-15  Jiong Wang  <jiong.wang@arm.com>
11447         * config/aarch64/aarch64-builtins.c (aarch64_types_unopus_qualifiers):
11448         New.
11449         (TYPES_UNOPUS): Likewise.
11450         * config/aarch64/aarch64-simd-builtins.def (lbtruncuv2sf): Correct
11451         builtin type, from UNOP to UNOPUS.
11452         (lbtruncuv4sf): Likewise.
11453         (lbtruncuv2df): Likewise.
11454         (lrounduv2sf): Likewise.
11455         (lrounduv4sf): Likewise.
11456         (lrounduv2df): Likewise.
11457         (lroundusf): Likewise.
11458         (lroundusf): Likewise.
11459         (lceiluv2sf): Likewise.
11460         (lceiluv4sf): Likewise.
11461         (lceiluv2df): Likewise.
11462         (lceilusf): Likewise.
11463         (lceiludf): Likewise.
11464         (lflooruv2sf): Likewise.
11465         (lflooruv4sf): Likewise.
11466         (lflooruv2df): Likewise.
11467         (lfloorusf): Likewise.
11468         (lfloorudf): Likewise.
11469         (lfrintnuv2sf): Likewise.
11470         (lfrintnuv4sf): Likewise.
11471         (lfrintnuv2df): Likewise.
11472         (lfrintnusf): Likewise.
11473         (lfrintnudf): Likewise.
11474         * config/aarch64/arm_neon.h (vcvt_u32_f32): Remove unncessary type
11475         conversion.
11476         (vcvtq_u32_f32): Likewise.
11477         (vcvtq_u64_f64): Likewise.
11478         (vcvta_u32_f32): Likewise.
11479         (vcvtaq_u32_f32): Likewise.
11480         (vcvtaq_u64_f64): Likewise.
11481         (vcvtm_u32_f32): Likewise.
11482         (vcvtmq_u32_f32): Likewise.
11483         (vcvtmq_u64_f64): Likewise.
11484         (vcvtn_u32_f32): Likwise.
11485         (vcvtnq_u32_f32): Likewise.
11486         (vcvtnq_u64_f64): Likewise.
11487         (vcvtp_u32_f32): Likewise.
11488         (vcvtpq_u32_f32): Likewise.
11489         (vcvtpq_u64_f64): Likewise.
11490         (vcvtmd_u64_f64): Likewise.
11491         (vcvtms_u32_f32): Likewise.
11492         (vcvtad_u64_f64): Likewise.
11493         (vcvtas_u32_f32): Likewise.
11494         (vcvtnd_u64_f64): Likewise.
11495         (vcvtns_u32_f32): Likewise.
11496         (vcvtpd_u64_f64): Likewise.
11497         (vcvtps_u32_f32): Likewise.
11499 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11501         * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Handle
11502         CSEL of zero_extended registers.
11504 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11506         * config/aarch64/aarch64.c (aarch64_rtx_costs, COMPARE case):
11507         Handle COMPARE of ZERO_EXTRACT against zero form of TST-immediate.
11509 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11511         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Return
11512         false when argument string is not found in the attributes table
11513         at all.
11515 2016-01-15  David Edelsohn  <dje.gcc@gmail.com>
11517         PR target/68609
11518         * config/rs6000/rs6000.c (rs6000_emit_msub): Delete.
11519         (rs6000_emit_swsqrt): Convert to Goldschmidt's Algorithm
11520         * config/rs6000/rs6000.md (sqrt<mode>2): Limit swsqrt to high
11521         precision estimate.
11523 2016-01-15  Richard Biener  <rguenther@suse.de>
11525         PR tree-optimization/66856
11526         * tree-vect-loop.c (vect_transform_loop): Free SLP instances here.
11527         * tree-vect-slp.c (vect_free_slp_tree): Decrement stmt reference count.
11528         (vect_create_new_slp_node): Increment stmt reference count.
11529         (vect_get_and_check_slp_defs): Make sure stmts are nor already in
11530         an SLP tree before swapping operands.
11531         (vect_build_slp_tree): Likewise.
11532         (destroy_bb_vec_info): Free stmt info after SLP instances.
11533         * tree-vect-stmts.c (new_stmt_vec_info): Initialize reference count.
11534         * tree-vectorizer.h (struct _stmt_vec_info): Add num_slp_uses field.
11535         (STMT_VINFO_NUM_SLP_USES): New macro.
11537 2016-01-15  Richard Biener  <rguenther@suse.de>
11539         PR debug/69137
11540         * dwarf2out.c (add_linkage_name_raw): New function split out from ...
11541         (add_linkage_name): ... here.
11542         (gen_typedef_die): Use add_linkage_name_raw instead of
11543         add_linkage_attr to delay DECL_ASSEMBLER_NAME computation
11544         if necessary.
11546 2016-01-15  Cesar Philippidis  <cesar@codesourcery.com>
11548         * gimplify.c (oacc_default_clause): Decode reference and pointer
11549         types for both kernels and parallel regions.
11551 2016-01-15  Richard Sandiford  <richard.sandiford@arm.com>
11553         PR middle-end/69246
11554         * calls.c (emit_call_1): Force n_popped to zero for sibcalls.
11556 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
11558         * config/i386/i386.c (scalar_chain::compute_convert_gain): Fix typo.
11559         (convert_scalars_to_vector): Likewise.
11561 2016-01-15  Jonathan Wakely  <jwakely@redhat.com>
11563         * doc/extend.texi (Type Traits): Fix grammar.
11565 2016-01-15  Martin Jambor  <mjambor@suse.cz>
11567         * tree-inline.c (remap_decl): Use existing dclarations if
11568         remapping a type and prevent_decl_creation_for_types.
11569         (replace_locals_stmt): Do an initial remapping of non-VLA typed
11570         decls first.  Do real remapping with
11571         prevent_decl_creation_for_types set.
11572         * tree-inline.h (copy_body_data): New field
11573         prevent_decl_creation_for_types, moved remap_var_for_cilk to avoid
11574         padding.
11576 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
11578         * config/s390/s390.opt (mmvcle): More verbose help text.
11580 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
11582         * config/s390/s390.opt: Add period to -mzvector option text.
11584 2016-01-15  Richard Biener  <rguenther@suse.de>
11586         PR tree-optimization/68961
11587         * tree-vect-slp.c (vect_analyze_slp_cost_1): Consider cost
11588         of invariants in stores again.
11590 2016-01-15  Sebastian Huber  <sebastian.huber@embedded-brains.de>
11592         * config/arm/t-rtems: Add cortex-m7/fpv5-d16 multilib.
11594 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
11596         * config/i386/i386.c (ix86_expand_branch): Don't split
11597         DI mode xor instruction to SI mode.
11599 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
11601         PR ipa/68148
11602         * ipa-icf.c (sem_function::merge): Virtual functions may become
11603         reachable even if they address is not taken and there are no
11604         idrect calls.
11606 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
11608         * lto-streamer-out.c (subtract_estimated_size): New function.
11609         (get_symbol_initial_value): Use it.
11611 2016-01-15  Christian Bruel  <christian.bruel@st.com>
11613         PR target/65837
11614         * config/arm/arm-builtins.c (ARM_BUILTIN_CRYPTO_BASE): New enum tag.
11615         (arm_init_neon_builtins_internal): Rename arm_init_neon_builtins,
11616         (arm_init_crypto_builtins_internal): Rename arm_init_crypto_builtins.
11617         use add_builtin_function_ext_scope instead of add_builtin_function.
11618         (neon_set_p, neon_crypto_set_p): Remove.
11619         (arm_init_builtins): Always call arm_init_neon_builtins and
11620         arm_init_crypto_builtins.
11621         (arm_expand_builtin): Check that builtins are allowed for the arch.
11622         * config/arm/arm-protos.h (arm_init_neon_builtins): Remove prototype.
11623         * config/arm/arm.c (arm_valid_target_attribute_tree): Remove
11624         arm_init_neon_builtins call.
11626 2016-01-15  Richard Biener  <rguenther@suse.de>
11628         PR tree-optimization/69117
11629         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add info member.
11630         * tree-ssa-sccvn.c (set_ssa_val_to): Save and adjust SSA name info
11631         of the leader conservatively.
11632         (free_scc_vn): Restore original SSA name infos.
11634 2016-01-14  Jeff Law  <law@redhat.com>
11636         PR tree-optimization/69270
11637         * tree-ssa-dom.c (ssa_name_has_boolean_range): If the type has a
11638         single bit of precision, verify it's also unsigned.
11639         (record_edge_info): Use constant_boolean_node rather than fold_convert
11640         to convert boolean_true/boolean_false to the right type.
11642 2016-01-14  Richard Henderson  <rth@redhat.com>
11644         PR rtl-opt/69014
11645         * loop-doloop.c (record_reg_sets): New.
11646         (doloop_optimize): Reject the transform if the sequence
11647         clobbers registers live at the end of the loop block.
11648         (doloop_optimize_loops): Enable df_live if needed.
11650 2016-01-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
11652         * config/rs6000/rs6000-builtin.def: Revert 2016-01-13 change.
11653         * gcc/config/rs6000/rs6000.c: Likewise.
11654         * gcc/config/rs6000/rs6000.h: Likewise.
11655         * gcc/config/rs6000/rs6000.md: Likewise.
11656         * gcc/doc/extend.texi: Likewsie.
11658 2016-01-14  Jeff Law  <law@redhat.com>
11660         * tree-ssa-dom.c (ssa_name_has_boolean_range): Fix comment
11661         typo.
11663 2016-01-14  Richard Henderson  <rth@redhat.com>
11665         PR c/69272
11666         PR tree-opt/68964
11667         * trans-mem.c (tm_log_emit_stmt): Fix unit size to bit size.
11668         * tree.c (build_tm_vector_builtins): Use builtin_decl_explicit_p
11669         instead of builtin_decl_declared_p to test for declaration.
11671 2016-01-14  Nicklas Bo Jensen  <nbjensen@gmail.com>
11673         * doc/loop.texi (Loop Analysis and Representation): Document
11674         loop_depth function.
11676 2016-01-14  Tom de Vries  <tom@codesourcery.com>
11678         PR tree-optimization/68773
11679         * omp-low.c (expand_omp_target): Don't set force_output.
11680         * varpool.c (varpool_node::get_create): Same.
11681         * lto-cgraph.c (input_offload_tables): Mark entries in offload_vars and
11682         offload_funcs with force_output.
11684 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
11686         PR debug/69244
11687         * lra-eliminations.c (move_plus_up): Don't change anything if either
11688         the outer or inner subreg mode is not MODE_INT.
11689         * dwarf2out.c (mem_loc_descriptor): For SUBREG, if outer mode is
11690         integral <= DWARF2_ADDR_SIZE, convert to untyped afterwards.
11692 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
11694         * doc/md.texi (reduc_smin_@var{m}, reduc_smax_@var{m},
11695         reduc_umin_@var{m}, reduc_umax_@var{m}, reduc_splus_@var{m},
11696         reduc_uplus_@var{m}): Remove.
11697         * expr.c (expand_expr_real_2): Remove expansion path for
11698         reduc_[us](min|max|plus) optabs.
11699         * optabs-tree.c (scalar_reduc_to_vector): Remove.
11700         * optabs-tree.h (scalar_reduc_to_vector): Remove.
11701         * optabs.def (reduc_smax_optab, reduc_smin_optab, reduc_splus_optab,
11702         reduc_umax_optab, reduc_umin_optab, reduc_uplus_optab): Remove.
11703         * tree-vect-loop.c (vectorizable_reduction): Remove test for
11704         reduc_[us](min|max|plus) optabs.
11706 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
11708         * config/mips/mips-ps-3d.md (reduc_splus_v2sf): Remove.
11709         (reduc_plus_scal_v2sf): New.
11710         (reduc_smax_v2sf): Rename to...
11711         (reduc_smax_scal_v2sf): ...here, make result SFmode, add vec_extract.
11712         (reduc_smin_v2sf): Rename to...
11713         (reduc_smin_scal_v2sf): ...here, make result SFmode, add vec_extract.
11715 2016-01-14  Jan Hubicka  <hubicka@ucw.cz>
11717         * alias.c (compare_base_symbol_refs): New function.
11718         (rtx_equal_for_memref_p, base_alias_check, memrefs_conflict_p): Use
11719         it.
11721 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
11723         PR middle-end/68146
11724         PR tree-optimization/69155
11725         * tree-complex.c: Include cfganal.h.
11726         (phis_to_revisit): New variable.
11727         (extract_component): Add phiarg_p argument.  Assert that returned
11728         SSA_NAME has non-NULL SSA_NAME_DEF_STMT unless phiarg_p is true.
11729         (update_phi_components): Partly rewrite to use loop over real/imag
11730         components instead of code duplication.  If extract_component returns
11731         SSA_NAME with NULL SSA_NAME_DEF_STMT, store SSA_NAME_VAR or
11732         create_tmp_reg into the PHI node instead, and mention the phi triplet
11733         in phis_to_revisit.
11734         (tree_lower_complex): Walk bbs in rpo order.  Adjust phis recorded
11735         in phis_to_revisit at the end.
11737 2016-01-14  Richard Biener  <rguenther@suse.de>
11739         PR tree-optimization/68060
11740         * tree-vect-loop.c (vect_is_simple_reduction): Check the
11741         outer loop reduction is only used in the inner loop before
11742         detecting a double reduction.
11744 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
11746         PR target/68269
11747         * combine.c (expand_field_assignment): Punt if compute_mode is
11748         unsupported scalar mode.
11750 2016-01-14  Richard Biener  <rguenther@suse.de>
11752         PR tree-optimization/66856
11753         * tree-vect-slp.c (vect_build_slp_tree): Refactor to build
11754         SLP node only if it built successfully.
11755         (vect_analyze_slp_instance): Adjust.
11757 2016-01-14  Jeff Law  <law@redhat.com>
11759         PR tree-optimization/69270
11760         * tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
11761         (record_edge_info): Use it.  Convert boolean_{true,false}_node
11762         to the type of op0.
11764 2016-01-13  Jan Hubicka  <hubicka@ucw.cz>
11766         PR ipa/66487
11767         * ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p):
11768         use block_ultimate_origin
11769         (noncall-stmt_may_be_vtbl_ptr_store): Likewise.
11771 2016-01-13  Sandra Loosemore  <sandra@codesourcery.com>
11773         * doc/invoke.texi (Submodel Options): Rename section to
11774         "Machine-Dependent Options" to better reflect its content.
11775         Rewrite introductory text to remove archaic CPU names.
11776         Update references.
11778 2016-01-13  Sandra Loosemore  <sandra@codesourcery.com>
11780         * doc/invoke.texi (Code Gen Options): Move section up in file,
11781         before target-specific options.  Update menu and option summary
11782         to reflect the new section ordering.
11784 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
11786         * doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
11787         (C++ Dialect Options): Add cross-reference to -std option.
11788         * doc/standards.texi (C++ Language): Document C++14 support.
11790 2016-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
11792         * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): Add support
11793         for pack/unpack functions for __ibm128.
11794         (PACK_IF): Likewise.
11795         (UNPACK_IF): Likewise.
11797         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
11798         support for __ibm128 pack/unpack functions.
11799         (rs6000_invalid_builtin): Likewise.
11800         (rs6000_init_builtins): Likewise.
11801         (rs6000_opt_masks): Likewise.
11803         * config/rs6000/rs6000.h (MASK_FLOAT128): Add short name.
11804         (RS6000_BTM_FLOAT128): Add support for __ibm128 pack/unpack
11805         functions
11806         (RS6000_BTM_COMMON): Likewise.
11808         * config/rs6000/rs6000.md (f128_vsx): New mode attribute.
11809         (unpack<mode>): Use FMOVE128_FPR iterator instead of FMOVE128, to
11810         disallow __builtin_{pack,unpack}_longdouble if long double is IEEE
11811         128-bit floating point.  Add support for the double values to be
11812         in Altivec registers for TF/IF packing and unpacking, but restrict
11813         TD packing sub-fields to be FPR registers.  Don't allow overlapped
11814         register support for packing.  Allow pack inputs to be memory
11815         locations.  Don't build generator functions for unpack<mode>_dm
11816         and unpack<mode>_nodm.
11817         (unpack<mode>_dm): Likewise.
11818         (unpack<mode>_nodm): Likewise.
11819         (pack<mode>): Likewise.
11821         * config/rs6000/rs6000-builtin.def (__builtin_pack_ibm128): Add
11822         built-in functions to pack/unpack explicit __ibm128 values.
11823         (__builtin_unpack_ibm128): Likewise.
11825         * doc/extend.texi (PowerPC Built-in Functions): Document
11826         __builtin_pack_ibm128 and __builtin_unpack_ibm128.
11828 2016-01-13  Bernd Schmidt  <bschmidt@redhat.com>
11830         PR c/66208
11831         * c-common.c (check_function_nonnull): Remove unnecessary declaration.
11832         Add new arg loc and pass it down as context.
11833         (check_nonnull_arg): Don't mark ctx arg as unused. Use it as a pointer
11834         to the location to use for the warning.
11835         (check_function_arguments): New arg loc.  All callers changed.  Pass
11836         it to check_function_nonnull.
11837         * c-common.h (check_function_arguments): Adjust declaration.
11839 2016-01-13  Jakub Jelinek  <jakub@redhat.com>
11841         PR tree-optimization/69156
11842         * gimple.c (validate_type): Removed.
11843         (gimple_builtin_call_types_compatible_p): Use
11844         useless_type_conversion_p instead of validate_type.
11845         * value-prof.c (gimple_stringop_fixed_value): Fold
11846         icall_size to correct type.
11848 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
11850         * doc/extend.texi (__atomic Builtins): Clarify compare_exchange
11851         effects.
11853 2016-01-13  Richard Henderson  <rth@redhat.com>
11855         PR tree-opt/68964
11856         * target.def (builtin_tm_load, builtin_tm_store): Remove.
11857         * config/i386/i386.c (ix86_builtin_tm_load): Remove.
11858         (ix86_builtin_tm_store): Remove.
11859         (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
11860         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
11861         * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
11862         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
11863         * doc/tm.texi: Rebuild.
11865         * gtm-builtins.def (BUILT_IN_TM_MEMCPY_RNWT): New.
11866         (BUILT_IN_TM_MEMCPY_RTWN): New.
11867         * trans-mem.c (tm_log_emit_stmt): Rearrange code for better
11868         fallback from vector to integer helpers.
11869         (build_tm_load): Handle vector types directly, instead of
11870         via target hook.
11871         (build_tm_store): Likewise.
11872         (expand_assign_tm): Prepare for register types not handled by
11873         the above.  Copy them to memory and use memcpy.
11874         * tree.c (tm_define_builtin): New.
11875         (find_tm_vector_type): New.
11876         (build_tm_vector_builtins): New.
11877         (build_common_builtin_nodes): Call it.
11879 2016-01-13  Uros Bizjak  <ubizjak@gmail.com>
11881         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Return -1 for
11882         TARGET_SSE_MATH without TARGET_SSE2.  Rewrite.
11884 2016-01-13  Tom de Vries  <tom@codesourcery.com>
11886         PR tree-optimization/69169
11887         * tree-ssa-structalias.c (create_variable_info_for_1): Add and handle
11888         handled_struct_type param.
11889         (create_variable_info_for, intra_create_variable_infos): Call
11890         create_variable_info_for_1 with extra arg.
11892 2016-01-13  Yvan Roux  <yvan.roux@linaro.org>
11894         * config/arm/arm-arches.def: Remove spurious whitespace in "armv8.1-a"
11895         and "armv8.1-a+crc" entries.
11897 2016-01-13  Alexander Fomin  <alexander.fomin@intel.com>
11899         PR target/69228
11900         * config/i386/sse.md (define_expand "avx512pf_gatherpf<mode>sf"):
11901         Change first operand predicate from register_or_constm1_operand
11902         to register_operand.
11903         (define_expand "avx512pf_gatherpf<mode>df"): Likewise.
11904         (define_expand "avx512pf_scatterpf<mode>sf"): Likewise.
11905         (define_expand "avx512pf_scatterpf<mode>df"): Likewise.
11906         (define_insn "*avx512pf_gatherpf<mode>sf"): Remove.
11907         (define_insn "*avx512pf_gatherpf<mode>df"): Likewise.
11908         (define_insn "*avx512pf_scatterpf<mode>sf"): Likewise.
11909         (define_insn "*avx512pf_scatterpf<mode>df"): Likewise.
11910         * config/i386/i386.c (ix86_expand_builtin): Remove first operand
11911         comparison with constm1_rtx from vec_prefetch_gen part.
11913 2016-01-13  Richard Biener  <rguenther@suse.de>
11915         PR tree-optimization/69013
11916         * tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths):
11917         Exchange assert for a test.
11919 2016-01-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11921         PR target/69247
11922         * config/s390/s390.md (bswaphi splitter): Use simplify_gen_subreg.
11924 2016-01-13  Richard Biener  <rguenther@suse.de>
11926         PR tree-optimization/69242
11927         * tree-ssa-sccvn.c (visit_reference_op_load): Replace bogus
11928         assert with a check.
11930 2016-01-13  Richard Biener  <rguenther@suse.de>
11932         PR tree-optimization/69186
11933         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
11934         Properly guard vect_update_misalignment_for_peel call.
11936 2016-01-12  Jeff Law  <law@redhat.com>
11938         PR tree-optimization/pr67755
11939         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add new field
11940         "need_profile_correction".
11941         (thread_block_1): Initialize new field to false by default.  If we
11942         have multiple thread paths through a common joiner to different
11943         final targets, then set new field to true.
11944         (compute_path_counts): Only do count adjustment when it's really
11945         needed.
11947 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
11949         * doc/invoke.texi (Spec Files): Move section down in file, past
11950         all command-line option descriptions.
11952 2016-01-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
11954         PR middle-end/54809
11955         * doc/gty.texi: Remove documentation of mark_hook.
11956         * gengtype.c (struct write_types_data): Remove code to support
11957         mark_hook attribute.
11958         (walk_type): Likewise.
11959         (write_func_for_structure): Likewise.
11961 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
11963         * doc/invoke.texi (Option Summary) Move -no-canonical-prefixes to
11964         Directory Options, and -specs= to Overall Options.
11965         (Overall Options): Adjust similarly.  Reorder to group related
11966         options together.  Make -specs= cross-reference the spec file details.
11967         (Directory Options): Adjust similarly.
11969 2016-01-12  Jeff Law  <law@redhat.com>
11971         * tree-ssa-threadupdate.c: Various whitespace and typo fixes.
11973 2016-01-12  Olivier Hainque  <hainque@adacore.com>
11975         * gcc.c (spec_undefvar_allowed): New global.
11976         (process_command): Set to true when running for --version or --help,
11977         alone or together.
11978         (getenv_spec_function): When the variable is not defined, use the
11979         variable name as the variable value if we're allowed not to issue
11980         a fatal error.
11982 2016-01-12  Bin Cheng  <bin.cheng@arm.com>
11984         PR tree-optimization/68911
11985         * tree-vrp.c (adjust_range_with_scev): Check overflow in range
11986         information computed for expression "init + nit * step".
11988 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
11990         * doc/invoke.texi (Invoking GCC): Copy-edit.  Incorporate information
11991         about name of GCC executable.  Remove deleted node from menu.
11992         (Directory Options) <-B>: Remove cross-reference to deleted node.
11993         (Target Options): Delete section.
11995 2016-01-12  Christian Bruel  <christian.bruel@st.com>
11997         PR target/69180
11998         * config/arm/arm-c.c (arm_pragma_target_parse): Set NODE_CONDITIONAL
11999         for __ARM_NEON_FP, __ARM_FP, _ARM_FEATURE_LDREX.
12001 2016-01-12  Jakub Jelinek  <jakub@redhat.com>
12003         PR target/69198
12004         * config/i386/i386.c (ix86_expand_special_args_builtin): Ensure
12005         aligned_mem is properly set for AVX512-VL floating point masked
12006         stores.
12008         PR target/69175
12009         * ifcvt.c (cond_exec_process_if_block): When removing the last
12010         insn from then_bb, remove also any possible barriers that follow it.
12012 2016-01-12  H.J. Lu  <hongjiu.lu@intel.com>
12014         PR target/68456
12015         PR target/69226
12016         * config/i386/iamcu.h (SIZE_TYPE): New macro.
12017         (PTRDIFF_TYPE): Likewise.
12018         (WCHAR_TYPE): Likewise.
12019         (WCHAR_TYPE_SIZE): Likewise.
12020         (STDINT_LONG32): Likewise.
12022 2016-01-12  Richard Biener  <rguenther@suse.de>
12024         PR tree-optimization/69053
12025         * tree-vect-loop.c (get_initial_def_for_reduction): Properly
12026         convert initial value for cond reductions.
12028 2016-01-12  Richard Biener  <rguenther@suse.de>
12030         PR tree-optimization/69007
12031         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Move
12032         widen_sum after dot_prod and sad.
12034 2016-01-12  Richard Biener  <rguenther@suse.de>
12036         PR tree-optimization/69168
12037         * tree-vect-loop.c (vect_analyze_loop_2): Reset both main and
12038         pattern stmt SLP type.
12039         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Patterns may
12040         end up unused so cope with that case.
12042 2016-01-12  Richard Biener  <rguenther@suse.de>
12044         PR tree-optimization/69157
12045         * tree-vect-stmts.c (vectorizable_mask_load_store): Check
12046         stmts def type only during analyze phase.
12047         (vectorizable_call): Likewise.
12048         (vectorizable_simd_clone_call): Likewise.
12049         (vectorizable_conversion): Likewise.
12050         (vectorizable_assignment): Likewise.
12051         (vectorizable_shift): Likewise.
12052         (vectorizable_operation): Likewise.
12053         (vectorizable_store): Likewise.
12054         (vectorizable_load): Likewise.
12056 2016-01-12  Richard Biener  <rguenther@suse.de>
12058         PR tree-optimization/69174
12059         * tree-vect-stmts.c (vect_mark_relevant): Remove excessive vertical
12060         space.
12061         (vectorizable_load): Properly compute the number of loads needed
12062         for permuted strided SLP loads and do not spuriously assign
12063         to SLP_TREE_VEC_STMTS.
12065 2016-01-12  Andris Pavenis  <andris.pavenis@iki.fi>
12067         * config/i386/djgpp.h (PREFERRED_DEBUGGING_TYPE): Define to DWARF2
12068         (TARGET_ASM_OUTPUT_IDENT): Define to default_asm_output_ident_directive
12069         (MD_EXEC_PREFIX): Remove.
12070         (MD_STARTFILE_PREFIX) Removee.
12071         (FILE_NAME_ABSOLUTE_P): Remove.
12072         (CPP_SPEC): Do not read macros from sys/version.h.
12073         (LINK_COMMAND_SPEC): Remove.
12074         (LOCAL_INCLUDE_DIR): Remove.
12075         (TARGET_ASM_NAMED_SECTION): Define to i386_djgpp_asm_named_section
12076         (TARGET_OS_CPP_BUILTINS): Add DJGPP (non ISO only), __DJGPP, __DJGPP__, unix.
12077         (POST_LINK_SPEC): Define to invoke stubify after linker
12078         (LIBSTDCXX): Remove define
12079         (DBX_REGISTER_NUMBER): Define to svr4_dbx_register_map.
12080         (DEFAULT_PCC_STRUCT_RETURN): Define to 1.
12081         (SUBTARGET_OVERRIDE_OPTIONS): Remove warning about -mbnu2210.
12082         (SUBTARGET_OVERRIDE_OPTIONS): Ignore -fPIC and generate message.
12083         (SUBTARGET_OVERRIDE_OPTIONS): Default to DWARF2 debugging info.
12084         (IX86_MAYBE_NO_LIBGCC_TFMODE): Remove.
12085         (i386_djgpp_asm_named_section): Add propotype of new procedure
12087         * config/i386/xm-djgpp.h (NATIVE_SYSTEM_HEADER_DIR): Define.
12088         (MD_EXEC_PREFIX): Define (moved from config/i386/djgpp.h).
12089         (STANDARD_STARTFILE_PREFIX_1): Define (moved from MD_STARTFILE_PREFIX
12090         in config/i386/djgpp.h).
12091         (STANDARD_STARTFILE_PREFIX_2): Define identical to
12092         STANDARD_STARTFILE_PREFIX_1.
12093         (LOCAL_INCLUDE_DIR): Define (moved from config/i386/djgpp.h).
12094         (GCC_DRIVER_HOST_INITIALIZATION): Fix reporting fatal
12095         installation errors.
12096         (MAX_OFILE_ALIGNMENT): Define to 128.
12097         (HAVE_FTW_H): Undefine as DJGPP do not have nftw, but have ftw.h.
12099         * config/i386/djgpp.c: New file. Add implementation of
12100         i386_djgpp_asm_named_section.
12102         * config/i386/djgpp.opt: Remove obsolete option -mbnu210.
12104         * config/i386/t-djgpp: New file. Add djgpp.o to EXTRA_OBJS.
12105         Add rule for building djgpp.o.
12107 2016-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
12109         * config/rs6000/rs6000.c (v2df_reduction_p): New function.
12110         (rtx_is_swappable_p): Reductions are swappable.
12111         (insn_is_swappable_p): V2DF reductions are swappable.
12113 2016-01-11  John David Anglin  <danglin@gcc.gnu.org>
12115         * config/pa/pa.c (pa_emit_move_sequence): Handle floating point
12116         reloads for other unsupported memory operands.
12118 2016-01-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
12119             Jim Wilson  <jim.wilson@linaro.org>
12121         PR target/69194
12122         * config/arm/arm-builtins.c (arm_expand_neon_args): Call
12123         copy_to_mode_reg instead of force_reg.
12125 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
12127         PR target/69225
12128         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Set to 2 only if
12129         TARGET_80387 is true.
12131 2016-01-11  Jakub Jelinek  <jakub@redhat.com>
12133         PR target/69071
12134         * lra-eliminations.c (move_plus_up): Only move plus up
12135         if subreg of the constant can be simplified into constant
12136         and use the simplified subreg of the constant instead of
12137         the original constant.
12139         * fold-const.c (fold_convertible_p): Don't return true
12140         for conversion of VECTOR_TYPE to same sized integral type.
12141         (fold_convert_loc): Fix up formatting.  Fold conversion of
12142         VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
12143         instead of NOP_EXPR.
12145         PR tree-optimization/69214
12146         * tree-vrp.c (simplify_cond_using_ranges): Don't propagate
12147         innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
12148         Formatting fix.
12150         PR tree-optimization/69207
12151         * tree-vect-slp.c (vect_get_constant_vectors): For
12152         VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of
12153         fold_convertible_p to vector_type's element type, and always
12154         use VCE for non-VECTOR_BOOLEAN_TYPE_P.
12156 2016-01-11  Richard Biener  <rguenther@suse.de>
12158         PR tree-optimization/69173
12159         * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Only
12160         fixup the cycle if all stmts are in a pattern.
12162 2016-01-11  Uros Bizjak  <ubizjak@gmail.com>
12164         PR middle-end/68999
12165         * alias.c (base_alias_check): Move check for addresses with
12166         alignment ANDs before the call for compare_base_decls.
12167         (memrefs_conflict_p): Return -1 for different decls
12168         that went through alignment adjustments.
12170 2016-01-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12172         PR rtl-optimization/68796
12173         * config/aarch64/aarch64.md (*and<mode>_compare0): New pattern.
12174         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Handle HImode
12175         and QImode comparisons against zero with CC_NZmode.
12176         * config/aarch64/iterators.md (short_mask): New mode_attr.
12178 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
12180         * config/i386/sse.md (<avx512>_load<mode>_mask): Remove snprintf.
12181         (<avx512>_store<mode>_mask): Likewise.
12183 2016-01-11  Bernd Schmidt  <bschmidt@redhat.com>
12184             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12186         PR rtl-optimization/68841
12187         * ifcvt.c (struct noce_if_info): Add orig_x field.
12188         (bbs_ok_for_cmove_arith): Add to_rename parameter.
12189         Don't record conflicts on to_rename if it's present.
12190         Allow memory destinations in sets.
12191         (noce_try_cmove_arith): Call bbs_ok_for_cmove_arith even on simple
12192         blocks, passing orig_x to the checks.
12193         (noce_process_if_block): Set if_info->orig_x appropriately.
12195 2016-01-11  Tom de Vries  <tom@codesourcery.com>
12197         PR tree-optimization/69069
12198         * tree-parloops.c (create_parallel_loop): Add missing phi args.
12200 2016-01-11  Yuri Rumyantsev  <ysrumyan@gmail.com>
12202         PR rtl-optimization/68920
12203         * config/i386/i386.c (ix86_option_override_internal): Restrict number
12204         of conditional moves for  RTL if-conversion to 1 for
12205         TARGET_ONE_IF_CONV_INSN.
12206         * config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
12207         * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
12208         * params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
12209         parameter to restirct number of conditional moves for
12210         RTL if-conversion.
12211         * doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
12212         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
12213         conditionl moves.
12215 2016-01-11  Alexandre Oliva  <aoliva@redhat.com>
12217         PR bootstrap/69123
12218         * var-tracking.c (drop_overlapping_mem_locs): Operate on all
12219         onepart vars.  Fix typo in comment.  Fix reversed condition in
12220         unshare test.
12221         (dataflow_set_remove_mem_locs): Operate on all onepart vars.
12223         PR bootstrap/69123
12224         * var-tracking.c (dump_onepart_variable_differences): New.
12225         (dataflow_set_different): If a detailed dump is requested,
12226         delay early returns and dump differences between onepart
12227         variables present before and after, and added variables.
12229 2016-01-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
12231         PR target/69010
12232         * expr.c (expand_expr_real_1): For boolean vector constants
12233         with a scalar mode use const_scalar_mask_from_tree.
12234         (const_scalar_mask_from_tree): New.
12235         * optabs.c (expand_vec_cond_mask_expr): Use mask mode
12236         assigned to a mask type to handle constants.
12238 2016-01-11  Martin Jambor  <mjambor@suse.cz>
12240         PR ipa/69044
12241         * ipa-cp.c (estimate_local_effects): Do not clone for removal of
12242         useless parameters if we cannot change function signature.
12244 2016-01-11  Martin Jambor  <mjambor@suse.cz>
12246         PR ipa/66616
12247         * cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
12248         flag.
12250 2016-01-11  Tom de Vries  <tom@codesourcery.com>
12252         PR tree-optimization/69109
12253         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
12254         latch with phi.
12256 2016-01-11  Tom de Vries  <tom@codesourcery.com>
12258         PR tree-optimization/69108
12259         * tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
12260         res is not used in a phi.
12262 2016-01-11  Yury Gribov  <y.gribov@samsung.com>
12264         PR 67425
12265         * common.opt (frandom-seed): Fix parameter name.
12266         * doc/invoke.texi (frandom-seed): Ditto and describe parameter.
12268 2016-01-11  Tom de Vries  <tom@codesourcery.com>
12270         PR tree-optimization/69058
12271         * tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
12272         not supported.
12274 2016-01-11  Andrew Burgess  <andrew.burgess@embecosm.com>
12276         * config/arc/arc.opt (mdiv-rem): Add period to the end.
12277         (mcode-density): Likewise.
12279 2016-01-10  Tom de Vries  <tom@codesourcery.com>
12281         PR tree-optimization/69062
12282         * tree-parloops.c (loop_has_phi_with_address_arg): New function.
12283         (parallelize_loops): Don't paralelize loop that has phi with address
12284         arg.
12286 2016-01-10  Tom de Vries  <tom@codesourcery.com>
12288         PR tree-optimization/69039
12289         * tree-parloops.c (try_create_reduction_list): Only allow single exit
12290         phi for reduction.
12292 2016-01-09  John David Anglin  <danglin@gcc.gnu.org>
12294         PR middle-end/68743
12295         * match.pd: Require target has function_c99_misc before doing
12296         truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.
12298 2016-01-09  Gerald Pfeifer  <gerald@pfeifer.com>
12300         * configure.ac (isl_options_set_schedule_serialize_sccs): Also
12301         use GMPINC.
12302         * configure: Regenerate.
12304 2016-01-09  Jakub Jelinek  <jakub@redhat.com>
12306         PR middle-end/50865
12307         PR tree-optimization/69097
12308         * fold-const.h (expr_not_equal_to): New prototype.
12309         * fold-const.c: Include stringpool.h and tree-ssanames.h.
12310         (expr_not_equal_to): New function.
12311         * match.pd (X % -Y is the same as X % Y): Don't optimize
12312         unless X is known not to be equal to minimum or Y is known
12313         not to be equal to -1.
12314         * tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
12315         fold TRUNC_MOD_EXPR if the second argument is not a power of two.
12316         (simplify_stmt_using_ranges): Adjust caller.
12317         (vrp_finalize): Call set_value_range on SSA_NAMEs before calling
12318         substitute_and_fold.
12320 2016-01-09  Jan Hubicka  <hubicka@ucw.cz>
12322         * ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
12323         w/o DECL_NAME.
12325 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
12327         PR tree-optimization/69167
12328         * gimple-fold.c (replace_stmt_with_simplification): Also punt if
12329         new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
12330         ops[0] comparison.
12331         * gimple-match-head.c (maybe_push_res_to_seq): Likewise.
12333 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
12334             Richard Biener  <rguenther@suse.de>
12336         PR tree-optimization/68707
12337         * tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
12338         instances that can be handled via vect_load_lanes.
12340 2016-01-08  Uros Bizjak  <ubizjak@gmail.com>
12342         * symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
12343         if we can't determine address equivalence.
12344         * alias.c (compare_base_decl): Update for changed return value of
12345         symtab_node::equal_address_to.
12347 2016-01-08  Jason Merrill  <jason@redhat.com>
12349         PR c++/68983
12350         PR c++/67557
12351         * function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
12352         * expr.c (store_field): Not here.
12353         * tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
12354         call with TREE_ADDRESSABLE type.
12355         * tree-cfg.c (verify_gimple_call): Adjust.
12357 2016-01-08  Olivier Hainque  <hainque@adacore.com>
12359         * config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
12360         libc_internal.
12362 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
12364         * gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
12365         (reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
12366         (reduc_smin_v2sf): Rename to...
12367         (reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
12368         (reduc_splus_v2sf): Rename to...
12369         (reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.
12371 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
12373         PR tree-optimization/69162
12374         * gimplify.c (gimplify_va_arg_expr): Encode original type of
12375         valist argument in another argument.
12376         (gimplify_modify_expr): Adjust for the above change.  Cleanup.
12377         * tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
12378         to determine the va_list type, build a MEM_REF instead of
12379         build_fold_indirect_ref.
12381         PR tree-optimization/69172
12382         * gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
12383         gimple_build.
12385 2016-01-08  Thomas Preud'homme  <thomas.preudhomme@arm.com>
12387         PR tree-optimization/67781
12388         * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
12389         and cmpnop in two steps: first the ones not accessed in original
12390         gimple expression in a endian independent way and then the ones not
12391         accessed in the final result in an endian-specific way.
12393 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
12395         PR tree-optimization/69083
12396         * tree-vect-slp.c (vect_get_constant_vectors): For
12397         VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
12398         element type.  If op is fold_convertible_p to vector_type's element
12399         type, use NOP_EXPR instead of VCE.
12401 2016-01-08  Segher Boessenkool  <segher@kernel.crashing.org>
12403         PR rtl-optimization/67778
12404         PR rtl-optimization/68634
12405         PR rtl-optimization/68909
12406         * shrink-wrap.c (try_shrink_wrapping): Add comment.  Don't pop
12407         block from the stack until done with it.  Remove a superfluous
12408         bitmap set.  Remove a superfluous bitmap test.
12410 2016-01-07  Martin Sebor  <msebor@redhat.com>
12412         PR c/68966
12413         * doc/extend.texi (__atomic Builtins, __sync Builtins): Document
12414         constraint on the type of arguments.
12416 2016-01-07  Andreas Tobler  <andreast@gcc.gnu.org>
12418         * config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
12419         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
12420         unaligned_access on the gcc_options set.
12421         * config/arm/arm.c (arm_option_override_internal): Use
12422         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.
12424 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
12426         PR target/69140
12427         * config/i386/i386.c (ix86_frame_pointer_required): Enable
12428         frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.
12430 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
12432         Revert
12433         2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
12435         PR target/69140
12436         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
12437         depending on frame_pointer_needed before remaining integer and SSE
12438         registers are saved.
12440 2016-01-07  Sandra Loosemore  <sandra@codesourcery.com>
12442         PR 1078
12443         * doc/extend.texi (Nvidia PDX Function Attributes): New section.
12445 2016-01-07  H.J. Lu  <hongjiu.lu@intel.com>
12447         PR target/69171
12448         * config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
12449         Use the "xBm" constraint.
12450         (float<sseintvecmodelower><mode>2<mask_name><round_name):
12451         Likewise.
12452         (sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
12453         (sse_cvtsi2ssq<round_name>): Likewise.
12454         (sse_cvtss2si<round_name>): Likewise.
12455         (sse_cvtss2siq<round_name>): Likewise.
12456         (sse2_cvtsi2sdq<round_name>): Likewise.
12457         (sse2_cvtsd2si<round_name>): Likewise.
12458         (sse2_cvtsd2siq<round_name>): Likewise.
12459         * config/i386/subst.md (round_nimm_scalar_predicate): New
12460         predicate.
12462 2015-12-15  Bernd Schmidt  <bschmidt@redhat.com>
12464         PR middle-end/67639
12465         * varasm.c (make_decl_rtl): Mark invalid register vars as
12466         DECL_EXTERNAL.
12468         PR rtl-optimization/66206
12469         * bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
12470         All callers changed.
12472 2016-01-07  Jakub Jelinek  <jakub@redhat.com>
12474         PR tree-optimization/69141
12475         * tree-ssa-pre.c: Include langhooks.h.
12476         (eliminate_dom_walker::before_dom_children): Use
12477         lang_hooks.decl_printable_name instead of
12478         cgraph_node::get ()->name ().
12480         PR middle-end/68960
12481         * gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
12482         it and DECL_ALIGN too.
12484 2016-01-06  Robert Suchanek  <robert.suchanek@imgtec.com>
12486         * config/mips/mips-ftypes.def: Sort to lexicographical order.
12488 2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
12490         PR target/69140
12491         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
12492         depending on frame_pointer_needed before remaining integer and SSE
12493         registers are saved.
12495 2015-01-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
12497         * config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
12498         mode iterator with VSX_M2.
12499         (*p9_vecstore_<mode>): Likewise.
12500         (*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
12501         (*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
12502         (*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
12503         (define_split for VSX_LE128 stores): Likewise.
12504         (define_peephole2 for TImode LE swaps): Likewise.
12505         (define_split for VSX_LE128 post-reload stores): Likewise.
12507 2016-01-06  Marek Polacek  <polacek@redhat.com>
12509         PR sanitizer/69099
12510         * convert.c (convert_to_integer_1): Adjust call to
12511         ubsan_instrument_float_cast.  Use NULL_TREE instead of NULL.
12512         * ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter.  Use
12513         EXPR instead of ARG.
12514         * ubsan.h (ubsan_instrument_float_cast): Adjust declaration.
12516 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
12518         PR 1078
12519         * doc/extend.texi (RL78 Variable Attributes): New section.
12521 2016-01-05  Marek Polacek  <polacek@redhat.com>
12523         PR c/69104
12524         * builtins.c (get_memmodel): Use expansion point location rather than
12525         the input location.  Call warning_at rather than warning.
12526         (expand_builtin_atomic_compare_exchange): Likewise.
12527         (expand_builtin_atomic_load): Likewise.
12528         (expand_builtin_atomic_store): Likewise.
12529         (expand_builtin_atomic_clear): Likewise.
12531 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
12533         PR target/68991
12534         * config/i386/i386.c (ix86_expand_vector_logical_operator):
12535         Replace nonimmediate_operand with vector_operand.
12536         * config/i386/predicates.md (vector_operand): New predicate.
12537         (general_vector_operand): Replace nonimmediate_operand with
12538         vector_operand.
12539         * config/i386/sse.md: Replace nonimmediate_operand with
12540         vector_operand and m constraint with Bm constraint on SSE
12541         patterns with 16-byte memory operand.
12542         * config/i386/subst.md (round_nimm_predicate): Replace
12543         nonimmediate_operand with vector_operand.
12544         (round_saeonly_nimm_predicate): Likewise.
12545         (round_saeonly_nimm_scalar_predicate): New.
12547 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
12549         PR target/68991
12550         * config/i386/constraints.md (Bm): New constraint.
12551         * config/i386/predicates.md (vector_memory_operand): New
12552         predicate.
12553         * config/i386/sse.md: Replace xm with xBm in plusminus and
12554         any_logic patterns.
12556 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
12558         PR 1078
12559         * doc/extend.texi (V850 Function Attributes): New section.
12560         (V850 Variable Attributes): New section.
12562 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
12564         PR 1078
12565         * doc/extend.texi (MicroBlaze Function Attributes): Document
12566         interrupt_handler and fast_interrupt attributes.
12568 2016-01-05  Sergei Trofimovich  <siarheit@google.com>
12570         PR other/60465
12571         * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
12572         for local symbolic operands.
12573         * config/ia64/predicates.md (local_symbolic_operand64): New
12574         predicate.
12576 2016-01-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12578         PR rtl-optimization/68651
12579         * combine.c (combine_simplify_rtx): Canonicalize x + x into
12580         x << 1.
12582 2016-01-05  Nathan Sidwell  <nathan@acm.org>
12584         * alias.c (compare_base_decls): Use symtab_node::get.
12586 2016-01-05  Nick Clifton  <nickc@redhat.com>
12588         PR target/68770
12589         * ira-costs.c (copy_cost): Initialise the t_icode field of the
12590         secondary_reload_info structure.
12592         PR target/66655
12593         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
12594         decls if weak support is available.
12596 2016-01-04  Martin Sebor  <msebor@redhat.com>
12598         * doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.
12600 2016-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
12602         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
12603         OPTION_MASK_P9_DFORM.
12605         * config/rs6000/constraints.md (wo constraint): New constraint for
12606         ISA 3.0 (power9).
12608         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
12609         for wo constraint.
12610         (rs6000_init_hard_regno_mode_ok): Likewise.
12612         * config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
12613         wo constraint.
12615         * config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
12616         expanders not to have constraints.  Add support for ISA 3.0 xxperm
12617         instruction.  Add support for fusing xxlor with xxperm.
12618         (altivec_vperm_<mode>_internal): Likewise.
12619         (altivec_vperm_v8hiv16qi): Likewise.
12620         (altivec_vperm_<mode>v16q): Likewise.
12621         (altivec_vperm_<mode>_uns): Likewise.
12622         (vperm_v8hiv4si): Likewise.
12623         (vperm_v16qiv8hi): Likewise.
12625         * doc/md.texi (RS/6000 constraints): Document wo constraint.
12627 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
12629         Update copyright years.
12631         * gcc.c (process_command): Update copyright notice dates.
12632         * gcov-dump.c (print_version): Ditto.
12633         * gcov.c (print_version): Ditto.
12634         * gcov-tool.c (print_version): Ditto.
12635         * gengtype.c (create_file): Ditto.
12636         * doc/cpp.texi: Bump @copying's copyright year.
12637         * doc/cppinternals.texi: Ditto.
12638         * doc/gcc.texi: Ditto.
12639         * doc/gccint.texi: Ditto.
12640         * doc/gcov.texi: Ditto.
12641         * doc/install.texi: Ditto.
12642         * doc/invoke.texi: Ditto.
12644 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
12646         * config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
12647         modes larger than TImode as TImode if NEON is not enabled.
12649 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
12651         PR target/69100
12652         * config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
12653         mode for %f0-%f31 only if TARGET_FPU.
12655 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
12657         PR target/69072
12658         * config/sparc/sparc.c (scan_record_type): Take into account subfields
12659         to compute the PACKED_P predicate.
12660         (function_arg_record_value): Minor tweaks.
12662 2016-01-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
12664         * doc/install.texi (--with-multilib-list): Describe the meaning of the
12665         option for arm*-*-* targets.
12667 2016-01-03  Sandra Loosemore  <sandra@codesourcery.com>
12669         * doc/extend.texi (Common Function Attributes): Move docs for
12670         MSP430-specific attributes to....
12671         (MSP430 Function Attributes): ...here.  Delete the redundant
12672         entries and copy-edit the remaining text.
12673         (MSP430 Variable Attributes): Use uniform format for index
12674         entries and add a cross-reference to the corresponding function
12675         attribute docs.
12677 2016-01-03  Vladimír Čunát  <vcunat@gmail.com>
12679         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix
12680         -finite-math typo.
12681         (x86 Options): Likewise.
12683 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
12685         PR 1078
12687         * extend.texi (Common Function Attributes) <no_stack_limit>: New.
12688         * invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
12689         to corresponding attribute.
12691 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
12693         * doc/extend.texi (Common Function Attributes) <noplt>: Move
12694         to correct alphabetization of table.  Copy-edit and correct
12695         markup.
12696         <stack_protect>: Likewise.
12697         <target_clones>: Likewise.
12698         <simd>: Likewise.
12699         * doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
12700         Correct punctuation.
12701         (Code Gen Options) <-fno-plt>: Copy-edit.
12703 2016-01-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>
12705         PR target/68917
12706         * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
12707         SI values.  Explicitly convert SI to DI and vice-versa.
12709 2016-01-01  Jakub Jelinek  <jakub@redhat.com>
12711         PR tree-optimization/69070
12712         * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
12713         REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.
12715         PR sanitizer/69055
12716         * ubsan.c (ubsan_instrument_float_cast): Call
12717         initialize_sanitizer_builtins.
12719         PR target/69015
12720         * ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
12722 Copyright (C) 2016 Free Software Foundation, Inc.
12724 Copying and distribution of this file, with or without modification,
12725 are permitted in any medium without royalty provided the copyright
12726 notice and this notice are preserved.