1 2016-06-07 Peter Bergner <bergner@vnet.ibm.com>
3 * doc/invoke.texi (RS/6000 and PowerPC Options): Document -mhtm and
6 2016-06-07 David Malcolm <dmalcolm@redhat.com>
8 * spellcheck.c (selftest::test_find_closest_string): New function.
9 (spellcheck_c_tests): Call the above.
11 2016-06-07 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13 * simplify-rtx.c (simplify_cond_clz_ctz): Delete 'mode' local
16 2016-06-07 Jakub Jelinek <jakub@redhat.com>
18 * config/i386/sse.md (avx_vec_concat<mode>): Add v=v,vm and
21 2016-06-07 Richard Biener <rguenther@suse.de>
24 * common.opt (ffast-math): Make Optimization.
26 2016-06-07 Simon Dardis <simon.dardis@imgtec.com>
27 Prachi Godbole <prachi.godbole@imgtec.com>
29 * config/mips/p5600.md (p5600_fpu_fadd): Remove checking for
30 `fabs' and `fneg' type attributes.
31 (p5600_fpu_fabs): Add `fmove' to the comment.
33 2016-06-07 Jan Hubicka <hubicka@ucw.cz>
35 * gimple.c: Include builtins.h
36 (gimple_inexpensive_call_p): New function.
37 * gimple.h (gimple_inexpensive_call_p): Declare.
38 * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Use it.
39 * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Likewise;
42 2016-06-07 Paolo Carlini <paolo.carlini@oracle.com>
44 * diagnostic.c (diagnostic_impl, diagnostic_n_impl): New.
45 (inform, inform_at_rich_loc, inform_n, warning, warning_at,
46 warning_at_rich_loc, warning_n, pedwarn, permerror,
47 permerror_at_rich_loc, error, error_n, error_at, error_at_rich_loc,
48 sorry, fatal_error, internal_error, internal_error_no_backtrace):
51 2016-06-07 Richard Biener <rguenther@suse.de>
53 PR tree-optimization/71428
54 * tree-ssa-math-opts.c (perform_symbolic_merge): Properly distinguish
55 BIT_FIELD_REF op vs. load.
57 2016-06-07 Richard Biener <rguenther@suse.de>
60 * match.pd ((X | ~Y) -> Y <= X): Properly invert the comparison
63 2016-06-06 John David Anglin <danglin@gcc.gnu.org>
65 * config/pa/pa.md (call): Generate indirect long calls to non-local
66 functions on TARGET_64BIT.
67 (call_value): Likewise.
69 2016-06-06 John David Anglin <danglin@gcc.gnu.org>
71 * config/pa/pa.md (call_val_reg_64bit): Remove "reg: DI " clobber from
72 pattern and subsequent splitters.
73 (call_val_reg_64bit_post_reload): Likewise.
75 2016-06-07 Kugan Vivekanandarajah <kuganv@linaro.org>
78 * tree-ssa-reassoc.c (zero_one_operation): Fix NEGATE_EXPR operand for
79 propagate_op_to_single_use.
81 2016-06-07 Kugan Vivekanandarajah <kuganv@linaro.org>
84 * tree-ssa-reassoc.c (reassociate_bb): Set uid for negate stmt.
86 2016-06-07 Uros Bizjak <ubizjak@gmail.com>
88 * config/i386/i386.h (enum ix86_enitity): Add X86_DIRFLAG.
89 (enum x86_dirflag_state): New enum.
90 (NUM_MODES_FOR_MODE_SWITCHING): Add X86_DIRFLAG_ANY.
91 (machine_function): Remove needs_cld.
92 (ix86_current_function_needs_cld): Remove.
93 * config/i386/i386.c (ix86_set_func_type): Set
94 ix86_optimize_mode_switching[X86_DIRFLAG] to 1.
95 (ix86_expand_prologue): Do not emit CLD here.
96 (ix86_dirflag_mode_needed): New function.
97 (ix86_dirflag_mode_entry): Ditto.
98 (ix86_mode_needed): Handle X86_DIRFLAG entity.
99 (ix86_mode_after): Ditto.
100 (ix86_mode_entry): Ditto.
101 (ix86_mode_exit): Ditto.
102 (ix86_emit_mode_set): Ditto.
103 * config/i386/i386.md (strmov_singleop): Set
104 ix86_optimize_mode_switching[X86_DIRFLAG] to 1 for TARGET_CLD.
105 Do not set ix86_current_function_needs_cld.
107 (strset_singleop): Ditto.
109 (cmpstrnqi_nz_1): Ditto.
110 (cmpstrnqi_1): Ditto.
113 2016-06-06 Jakub Jelinek <jakub@redhat.com>
115 PR tree-optimization/71259
116 * tree-vect-slp.c (vect_get_constant_vectors): For
117 VECTOR_BOOLEAN_TYPE_P, return all ones constant instead of
118 one for constant op, and use COND_EXPR for non-constant.
120 2016-06-06 David Malcolm <dmalcolm@redhat.com>
122 * Makefile.in (OBJS): Add function-tests.o,
123 hash-map-tests.o, hash-set-tests.o, rtl-tests.o,
124 selftest-run-tests.o.
125 (OBJS-libcommon): Add selftest.o.
126 (OBJS-libcommon-target): Add selftest.o.
127 (all.internal): Add "selftest".
128 (all.cross): Likewise.
129 (selftest): New phony target.
130 (s-selftest): New target.
131 (selftest-gdb): New phony target.
132 (COLLECT2_OBJS): Add selftest.o.
133 * bitmap.c: Include "selftest.h".
134 (selftest::test_gc_alloc): New function.
135 (selftest::test_set_range): New function.
136 (selftest::test_clear_bit_in_middle): New function.
137 (selftest::test_copying): New function.
138 (selftest::test_bitmap_single_bit_set_p): New function.
139 (selftest::bitmap_c_tests): New function.
140 * common.opt (fself-test): New.
141 * diagnostic-show-locus.c: Include "selftest.h".
142 (make_range): New function.
143 (test_range_contains_point_for_single_point): New function.
144 (test_range_contains_point_for_single_line): New function.
145 (test_range_contains_point_for_multiple_lines): New function.
146 (assert_eq): New function.
147 (test_get_line_width_without_trailing_whitespace): New function.
148 (selftest::diagnostic_show_locus_c_tests): New function.
149 * et-forest.c: Include "selftest.h".
150 (selftest::test_single_node): New function.
151 (selftest::test_simple_tree): New function.
152 (selftest::test_disconnected_nodes): New function.
153 (selftest::et_forest_c_tests): New function.
154 * fold-const.c: Include "selftest.h".
155 (selftest::assert_binop_folds_to_const): New function.
156 (selftest::assert_binop_folds_to_nonlvalue): New function.
157 (selftest::test_arithmetic_folding): New function.
158 (selftest::fold_const_c_tests): New function.
159 * function-tests.c: New file.
160 * gimple.c: Include "selftest.h".
161 Include "gimple-pretty-print.h".
162 (selftest::verify_gimple_pp): New function.
163 (selftest::test_assign_single): New function.
164 (selftest::test_assign_binop): New function.
165 (selftest::test_nop_stmt): New function.
166 (selftest::test_return_stmt): New function.
167 (selftest::test_return_without_value): New function.
168 (selftest::gimple_c_tests): New function.
169 * hash-map-tests.c: New file.
170 * hash-set-tests.c: New file.
171 * input.c: Include "selftest.h".
172 (selftest::assert_loceq): New function.
173 (selftest::test_accessing_ordinary_linemaps): New function.
174 (selftest::test_unknown_location): New function.
175 (selftest::test_builtins): New function.
176 (selftest::test_reading_source_line): New function.
177 (selftest::input_c_tests): New function.
178 * rtl-tests.c: New file.
179 * selftest-run-tests.c: New file.
180 * selftest.c: New file.
181 * selftest.h: New file.
182 * spellcheck.c: Include "selftest.h".
183 (selftest::levenshtein_distance_unit_test_oneway): New function,
184 adapted from testsuite/gcc.dg/plugin/levenshtein_plugin.c.
185 (selftest::levenshtein_distance_unit_test): Likewise.
186 (selftest::spellcheck_c_tests): Likewise.
187 * toplev.c: Include selftest.h.
188 (toplev::run_self_tests): New.
189 (toplev::main): Handle -fself-test.
190 * toplev.h (toplev::run_self_tests): New.
191 * tree.c: Include "selftest.h".
192 (selftest::test_integer_constants): New function.
193 (selftest::test_identifiers): New function.
194 (selftest::test_labels): New function.
195 (selftest::tree_c_tests): New function.
196 * tree-cfg.c: Include "selftest.h".
197 (selftest::push_fndecl): New function.
198 (selftest::test_linear_chain): New function.
199 (selftest::test_diamond): New function.
200 (selftest::test_fully_connected): New function.
201 (selftest::tree_cfg_c_tests): New function.
202 * vec.c: Include "selftest.h".
203 (selftest::safe_push_range): New function.
204 (selftest::test_quick_push): New function.
205 (selftest::test_safe_push): New function.
206 (selftest::test_truncate): New function.
207 (selftest::test_safe_grow_cleared): New function.
208 (selftest::test_pop): New function.
209 (selftest::test_safe_insert): New function.
210 (selftest::test_ordered_remove): New function.
211 (selftest::test_unordered_remove): New function.
212 (selftest::test_block_remove): New function.
213 (selftest::reverse_cmp): New function.
214 (selftest::test_qsort): New function.
215 (selftest::vec_c_tests): New function.c.
216 * wide-int.cc: Include selftest.h and wide-int-print.h.
217 (selftest::from_int <wide_int>): New function.
218 (selftest::from_int <offset_int>): New function.
219 (selftest::from_int <widest_int>): New function.
220 (selftest::assert_deceq): New function.
221 (selftest::assert_hexeq): New function.
222 (selftest::test_printing <VALUE_TYPE>): New function template.
223 (selftest::test_ops <VALUE_TYPE>): New function template.
224 (selftest::test_comparisons <VALUE_TYPE>): New function template.
225 (selftest::run_all_wide_int_tests <VALUE_TYPE>): New function
227 (selftest::wide_int_cc_tests): New function.
229 2016-06-06 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
232 * ifcvt.c (noce_try_ifelse_collapse): New function.
234 (noce_process_if_block): Call noce_try_ifelse_collapse.
235 * simplify-rtx.c (simplify_cond_clz_ctz): New function.
236 (simplify_ternary_operation): Use the above to simplify
237 conditional CLZ/CTZ expressions.
239 2016-06-06 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
242 * config/aarch64/aarch64.md (ctz<mode>2): Convert to
243 define_insn_and_split.
245 2016-06-06 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
248 * config/arm/arm.md (ctzsi2): Convert to define_insn_and_split.
250 2016-06-06 Bernd Edlinger <bernd.edlinger@hotmail.de>
253 * cfgexpand.c (expand_asm_loc): Remove handling for ADDR_EXPR.
254 Implicitly clobber memory for basic asm with non-empty assembler
255 string. Use targetm.md_asm_adjust also here.
256 * compare-elim.c (arithmetic_flags_clobber_p): Use asm_noperands here.
257 * final.c (final_scan_insn): Handle basic asm in PARALLEL block.
258 * gimple.c (gimple_asm_clobbers_memory_p): Handle basic asm with
259 non-empty assembler string.
260 * ira.c (compute_regs_asm_clobbered): Use asm_noperands here.
261 * recog.c (asm_noperands): Handle basic asm in PARALLEL block.
262 (decode_asm_operands): Handle basic asm in PARALLEL block.
263 (extract_insn): Handle basic asm in PARALLEL block.
264 * doc/extend.texi: Mention new behavior of basic asm.
265 * config/ia64/ia64 (rtx_needs_barrier): Handle ASM_INPUT here.
266 * config/pa/pa.c (branch_to_delay_slot_p, branch_needs_nop_p,
267 branch_needs_nop_p): Use asm_noperands.
269 2016-06-06 Jose E. Marchesi <jose.marchesi@oracle.com>
271 * config/sparc/sparc.md (cpu): Add niagara7 cpu type.
272 Include the M7 SPARC DFA scheduler.
273 New attribute v3pipe.
274 Annotate insns with v3pipe where appropriate.
275 Define cpu_feature vis4.
276 Add lzd instruction type and set it on clzdi_sp64 and clzsi_sp64.
277 Add (V8QI "8") to vbits.
278 Add insns {add,sub}v8qi3
279 Add insns ss{add,sub}v8qi3
280 Add insns us{add,sub}{v8qi,v4hi}3
281 Add insns {min,max}{v8qi,v4hi,v2si}3
282 Add insns {minu,maxu}{v8qi,v4hi,v2si}3
283 Add insns fpcmp{le,gt,ule,ug,ule,ugt}{8,16,32}_vis.
284 * config/sparc/niagara4.md: Add a comment explaining the
285 discrepancy between the documented latenty numbers and the
287 * config/sparc/niagara7.md: New file.
288 * configure.ac (HAVE_AS_SPARC5_VIS4): Define if the assembler
289 supports SPARC5 and VIS 4.0 instructions.
290 * configure: Regenerate.
291 * config.in: Likewise.
292 * config.gcc: niagara7 is a supported cpu in sparc*-*-* targets.
293 * config/sparc/sol2.h (ASM_CPU32_DEFAUILT_SPEC): Set for
295 (ASM_CPU64_DEFAULT_SPEC): Likewise.
296 (CPP_CPU_SPEC): Handle niagara7.
297 (ASM_CPU_SPEC): Likewise.
298 * config/sparc/sparc-opts.h (processor_type): Add
301 * config/sparc/sparc.h (TARGET_CPU_niagara7): Define.
302 (AS_NIAGARA7_FLAG): Define.
303 (ASM_CPU64_DEFAULT_SPEC): Set for niagara7.
304 (CPP_CPU64_DEFAULT_SPEC): Likewise.
305 (CPP_CPU_SPEC): Handle niagara7.
306 (ASM_CPU_SPEC): Likewise.
307 * config/sparc/sparc.c (niagara7_costs): Define.
308 (sparc_option_override): Handle niagara7 and adjust cache-related
309 parameters with better values for niagara cpus. Also support VIS4.
310 (sparc32_initialize_trampoline): Likewise.
311 (sparc_use_sched_lookahead): Likewise.
312 (sparc_issue_rate): Likewise.
313 (sparc_register_move_cost): Likewise.
314 (dump_target_flag_bits): Support VIS4.
315 (sparc_vis_init_builtins): Likewise.
316 (sparc_builtins): Likewise.
317 * config/sparc/sparc-c.c (sparc_target_macros): Define __VIS__ for
319 * config/sparc/driver-sparc.c (cpu_names): Add SPARC-M7 and
321 * config/sparc/sparc.opt (sparc_processor_type): New value
323 * config/sparc/visintrin.h (__attribute__): Prototypes for the
325 * doc/invoke.texi (SPARC Options): Document -mcpu=niagara7 and
327 * doc/extend.texi (SPARC VIS Built-in Functions): Document the
330 2016-06-06 Jonathan Wakely <jwakely@redhat.com>
332 * doc/sourcebuild.texi (Directives): Remove extra closing braces.
334 2016-06-06 Richard Biener <rguenther@suse.de>
336 PR tree-optimization/71398
337 * tree-ssa-loop-ivcanon.c (unloop_loops): First unloop, then
340 2016-06-05 James Bowman <james.bowman@ftdichip.com>
342 * config/ft32/ft32.c (ft32_setup_incoming_varargs,
343 ft32_expand_prolog, ft32_expand_epilogue):
345 * config/ft32/ft32.h: Remove OUTGOING_REG_PARM_STACK_SPACE.
346 * config/ft32/ft32.md: Add pretend_returner.
348 2016-06-06 Uros Bizjak <ubizjak@gmail.com>
351 * config/i386/i386.c (ix86_avx256_split_vector_move_misalign):
352 Copy op1 RTX to avoid invalid sharing.
353 (ix86_expand_vector_move_misalign): Ditto.
355 2016-06-05 John David Anglin <danglin@gcc.gnu.org>
357 * expr.c (move_by_pieces_d::generate): Mark mode parameter with
360 2016-06-05 Jan Hubicka <hubicka@ucw.cz>
362 * predict.c (predicted_by_loop_heuristics_p): New function.
363 (predict_iv_comparison): Use it.
364 (predict_loops): Walk from innermost loops; do not predict edges
365 leaving multiple loops multiple times; implement
366 PRED_LOOP_ITERATIONS_MAX heuristics.
367 * predict.def (PRED_LOOP_ITERATIONS_MAX): New predictor.
369 2016-06-05 Jan Hubicka <hubicka@ucw.cz>
371 * cfg.c (check_bb_profile): Do not report mismatched profiles when
372 only edges out of BB are EH edges.
374 2016-06-04 Martin Sebor <msebor@redhat.com>
375 Marcin Baczyński <marbacz@gmail.com>
378 * doc/invoke.texi (-Wreturn-type): Mention not warning on return with
379 a void expression in a void function.
381 2016-06-03 Jan Hubicka <hubicka@ucw.cz>
383 * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Do not check
384 aux; dump reasons of decisions.
385 (should_duplicate_loop_header_p): Likewise.
386 (do_while_loop_p): Likewise.
387 (ch_base::copy_headers): Dump asi num insns duplicated.
389 2016-06-04 Jakub Jelinek <jakub@redhat.com>
391 PR tree-optimization/71405
392 * tree-ssa.c (execute_update_addresses_taken): For clobber with
393 incompatible type, build a new clobber with the right type instead
394 of building a VIEW_CONVERT_EXPR around it.
396 2016-06-04 Oleg Endo <olegendo@gcc.gnu.org>
398 PR tree-optimization/52171
399 * config/sh/sh.c (sh_use_by_pieces_infrastructure_p): Use
400 by_pieces_ninsns instead of move_by_pieces_ninsns.
402 2016-06-04 Oleg Endo <olegendo@gcc.gnu.org>
404 * config/sh/sh.c (sh_print_operand_address): Don't use hardcoded 'r0'
405 for reg+reg addressing mode.
407 2016-06-03 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
409 * rs6000-c.c (c/c-tree.h): Add #include.
410 (altivec_resolve_overloaded_builtin): Handle ARRAY_TYPE arguments
411 in C++ when found in the base position of vec_ld or vec_st.
413 2016-06-03 Jan Hubicka <hubicka@ucw.cz>
415 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop): Avoid
416 use of profile unless profile status is PROFILE_READ.
417 * profile.c (compute_branch_probabilities): Set profile status
418 only after reporting predictor hitrates.
420 2016-06-03 Joseph Myers <joseph@codesourcery.com>
424 * common.opt (ffp-int-builtin-inexact): New option.
425 * doc/invoke.texi (-fno-fp-int-builtin-inexact): Document.
426 * doc/md.texi (floor@var{m}2, btrunc@var{m}2, round@var{m}2)
427 (ceil@var{m}2): Document dependence on this option.
428 * ipa-inline-transform.c (inline_call): Handle
429 flag_fp_int_builtin_inexact.
430 * ipa-inline.c (can_inline_edge_p): Likewise.
431 * config/i386/i386.md (rintxf2): Do not test
432 flag_unsafe_math_optimizations.
433 (rint<mode>2_frndint): New define_insn.
434 (rint<mode>2): Do not test flag_unsafe_math_optimizations for 387
435 or !flag_trapping_math for SSE. Just use gen_rint<mode>2_frndint
436 for 387 instead of extending and truncating.
437 (frndintxf2_<rounding>): Test flag_fp_int_builtin_inexact ||
438 !flag_trapping_math instead of flag_unsafe_math_optimizations.
439 Change to frndint<mode>2_<rounding>.
440 (frndintxf2_<rounding>_i387): Likewise. Change to
441 frndint<mode>2_<rounding>_i387.
442 (<rounding_insn>xf2): Likewise.
443 (<rounding_insn><mode>2): Test flag_fp_int_builtin_inexact ||
444 !flag_trapping_math instead of flag_unsafe_math_optimizations for
445 x87. Test TARGET_ROUND || !flag_trapping_math ||
446 flag_fp_int_builtin_inexact instead of !flag_trapping_math for
447 SSE. Use ROUND_NO_EXC in constant operand of
448 gen_sse4_1_round<mode>2. Just use gen_frndint<mode>2_<rounding>
449 for 387 instead of extending and truncating.
451 2016-06-03 H.J. Lu <hongjiu.lu@intel.com>
452 Julia Koval <julia.koval@intel.com>
464 * config/i386/i386-protos.h (ix86_epilogue_uses): New prototype.
465 * config/i386/i386.c (ix86_conditional_register_usage): Preserve
466 all registers, except for function return registers if there are
467 no caller-saved registers.
468 (ix86_set_func_type): New function.
469 (ix86_set_current_function): Call ix86_set_func_type to set
470 no_caller_saved_registers and func_type. Call reinit_regs if
471 caller-saved registers are changed. Don't allow MPX, SSE, MMX
472 nor x87 instructions in interrupt handler nor function with
473 no_caller_saved_registers attribute.
474 (ix86_function_ok_for_sibcall): Return false if there are no
475 caller-saved registers.
476 (type_natural_mode): Don't warn ABI change for MMX in interrupt
478 (ix86_function_arg_advance): Skip for callee in interrupt handler.
479 (ix86_function_arg): Return special arguments in interrupt handler.
480 (ix86_promote_function_mode): Promote pointer to word_mode only
481 for normal functions.
482 (ix86_can_use_return_insn_p): Don't use `ret' instruction in
484 (ix86_epilogue_uses): New function.
485 (ix86_hard_regno_scratch_ok): Likewise.
486 (ix86_save_reg): Preserve all registers in interrupt handler
487 after reload. Preserve all registers, except for function return
488 registers, if there are no caller-saved registers after reload.
489 (find_drap_reg): Always use callee-saved register if there are
490 no caller-saved registers.
491 (ix86_minimum_incoming_stack_boundary): Return MIN_STACK_BOUNDARY
492 for interrupt handler.
493 (ix86_expand_prologue): Don't allow DRAP in interrupt handler.
494 Emit cld instruction if stringops are used in interrupt handler
495 or interrupt handler isn't a leaf function.
496 (ix86_expand_epilogue): Generate interrupt return for interrupt
497 handler and pop the 'ERROR_CODE' off the stack before interrupt
498 return in exception handler.
499 (ix86_expand_call): Disallow calling interrupt handler directly.
500 If there are no caller-saved registers, mark all registers that
501 are clobbered by the call which returns as clobbered.
502 (ix86_handle_no_caller_saved_registers_attribute): New function.
503 (ix86_handle_interrupt_attribute): Likewise.
504 (ix86_attribute_table): Add interrupt and no_caller_saved_registers
506 (TARGET_HARD_REGNO_SCRATCH_OK): Likewise.
507 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Use argument
508 accumulation in interrupt function if stack may be realigned to
510 (EPILOGUE_USES): New.
511 (function_type): New enum.
512 (machine_function): Add func_type and no_caller_saved_registers.
513 * config/i386/i386.md (UNSPEC_INTERRUPT_RETURN): New.
514 (interrupt_return): New pattern.
515 * doc/extend.texi: Document x86 interrupt and
516 no_caller_saved_registers attributes.
518 2016-06-03 Bernd Schmidt <bschmidt@redhat.com>
520 PR tree-optimization/52171
521 * builtins.c (expand_cmpstrn_or_cmpmem): Delete, moved elsewhere.
522 (expand_builtin_memcmp): New arg RESULT_EQ. All callers changed.
523 Look for constant strings. Move some code to emit_block_cmp_hints
525 * builtins.def (BUILT_IN_MEMCMP_EQ): New.
526 * defaults.h (COMPARE_MAX_PIECES): New macro.
527 * expr.c (move_by_pieces_d, store_by_pieces_d): Remove old structs.
528 (move_by_pieces_1, store_by_pieces_1, store_by_pieces_2): Remvoe.
529 (clear_by_pieces_1): Don't declare. Move definition before use.
530 (can_do_by_pieces): New static function.
531 (can_move_by_pieces): Use it. Return bool.
532 (by_pieces_ninsns): Renamed from move_by_pieces_ninsns. New arg
533 OP. All callers changed. Handle COMPARE_BY_PIECES.
534 (class pieces_addr); New.
535 (pieces_addr::pieces_addr, pieces_addr::decide_autoinc,
536 pieces_addr::adjust, pieces_addr::increment_address,
537 pieces_addr::maybe_predec, pieces_addr::maybe_postinc): New member
539 (class op_by_pieces_d): New.
540 (op_by_pieces_d::op_by_pieces_d, op_by_pieces_d::run): New member
542 (class move_by_pieces_d, class compare_by_pieces_d,
543 class store_by_pieces_d): New subclasses of op_by_pieces_d.
544 (move_by_pieces_d::prepare_mode, move_by_pieces_d::generate,
545 move_by_pieces_d::finish_endp, store_by_pieces_d::prepare_mode,
546 store_by_pieces_d::generate, store_by_pieces_d::finish_endp,
547 compare_by_pieces_d::generate, compare_by_pieces_d::prepare_mode,
548 compare_by_pieces_d::finish_mode): New member functions.
549 (compare_by_pieces, emit_block_cmp_via_cmpmem): New static
551 (expand_cmpstrn_or_cmpmem): Moved here from builtins.c.
552 (emit_block_cmp_hints): New function.
553 (move_by_pieces, store_by_pieces, clear_by_pieces): Rewrite to just
554 use the newly defined classes.
555 * expr.h (by_pieces_constfn): New typedef.
556 (can_store_by_pieces, store_by_pieces): Use it in arg declarations.
557 (emit_block_cmp_hints, expand_cmpstrn_or_cmpmem): Declare.
558 (move_by_pieces_ninsns): Don't declare.
559 (can_move_by_pieces): Change return value to bool.
560 * target.def (TARGET_USE_BY_PIECES_INFRASTRUCTURE_P): Update docs.
561 (compare_by_pieces_branch_ratio): New hook.
562 * target.h (enum by_pieces_operation): Add COMPARE_BY_PIECES.
563 (by_pieces_ninsns): Declare.
564 * targethooks.c (default_use_by_pieces_infrastructure_p): Handle
566 (default_compare_by_pieces_branch_ratio): New function.
567 * targhooks.h (default_compare_by_pieces_branch_ratio): Declare.
568 * doc/tm.texi.in (STORE_MAX_PIECES, COMPARE_MAX_PIECES): Document.
569 * doc/tm.texi: Regenerate.
570 * tree-ssa-strlen.c: Include "builtins.h".
571 (handle_builtin_memcmp): New static function.
572 (strlen_optimize_stmt): Call it for BUILT_IN_MEMCMP.
573 * tree.c (build_common_builtin_nodes): Create __builtin_memcmp_eq.
575 2016-06-03 Alan Hayward <alan.hayward@arm.com>
577 * tree-vect-stmts.c (vect_stmt_relevant_p): Do not vectorize non live
578 relevant stmts which are simple and invariant.
579 * tree-vect-loop.c (vectorizable_live_operation): Check relevance
580 instead of simple and invariant
582 2016-06-03 Alan Hayward <alan.hayward@arm.com>
584 * tree-vect-loop.c (vect_analyze_loop_operations): Allow live stmts.
585 (vectorizable_reduction): Check for new relevant state.
586 (vectorizable_live_operation): vectorize live stmts using
587 BIT_FIELD_REF. Remove special case for gimple assigns stmts.
588 * tree-vect-stmts.c (is_simple_and_all_uses_invariant): New function.
589 (vect_stmt_relevant_p): Check for stmts which are only used live.
590 (process_use): Use of a stmt does not inherit it's live value.
591 (vect_mark_stmts_to_be_vectorized): Simplify relevance inheritance.
592 (vect_analyze_stmt): Check for new relevant state.
593 * tree-vectorizer.h (vect_relevant): New entry for a stmt which is used
594 outside the loop, but not inside it.
596 2016-06-03 Alan Hayward <alan.hayward@arm.com>
598 * tree-vectorizer.h (vect_get_vec_def_for_operand_1): New.
599 * tree-vect-stmts.c (vect_get_vec_def_for_operand_1): New.
600 (vect_get_vec_def_for_operand): Split out code.
602 2016-06-03 Segher Boessenkool <segher@kernel.crashing.org>
604 * config/rs6000/rs6000.md (define_peepholes for two mfcr's): Delete.
606 2016-06-03 Alan Hayward <alan.hayward@arm.com>
608 * tree-vect-stmts.c (vectorizable_call) Remove GOMP_SIMD_LANE code.
610 2016-06-03 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
612 * config/arm/thumb1.md (*thumb1_mulsi3): Fix typos in comment.
614 2016-06-03 Jakub Jelinek <jakub@redhat.com>
617 * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): If redirecting
618 to noreturn e->callee->decl that has void return type and void
619 arguments, adjust gimple_call_fntype and remove lhs even if it had
620 previously addressable type.
622 2016-06-02 Jeff Law <law@redhat.com>
624 PR tree-optimization/71328
625 * tree-ssa-threadupdate.c (duplicate_thread_path): Fix off-by-one
626 error when checking for a jump back onto the copied path.
628 2016-06-02 David Malcolm <dmalcolm@redhat.com>
630 * config/microblaze/microblaze.c (get_branch_target): Add return
631 NULL_RTX for the non-CALL_P case.
632 (insert_wic_for_ilb_runout): Remove unused local "wic_addr1".
633 (insert_wic): Remove unused local "j".
635 2016-06-02 Martin Liska <mliska@suse.cz>
637 * predict.def: Fix typo in PRED_FORTRAN_FAIL_IO display name.
639 2016-06-02 H.J. Lu <hongjiu.lu@intel.com>
640 Julia Koval <julia.koval@intel.com>
642 * function.c (assign_parm_setup_stack): Force source into a
644 * target.def (function_incoming_arg): Update documentation to
645 allow arbitrary address computation based on hard register.
646 * doc/tm.texi: Regenerated.
648 2016-06-02 Martin Liska <mliska@suse.cz>
650 * predict.c (combine_predictions_for_bb): Fix first match in
651 cases where a first predictor contains more than one occurence
652 in list of predictors. Take the best value in such case.
654 2016-06-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
656 PR rtl-optimization/71295
657 * rtlanal.c (subreg_get_info): If taking a subreg at the requested
658 offset would go over the size of the inner mode reject it.
660 2016-06-02 Jakub Jelinek <jakub@redhat.com>
662 * config/i386/sse.md (*vec_concatv4si): Use v=v,v instead of
663 x=x,x and v=v,m instead of x=x,m.
665 * config/i386/sse.md (*vec_concatv2si_sse4_1): Add avx512dq v=Yv,rm
666 alternative. Change x=x,x alternative to v=Yv,Yv and x=rm,C
667 alternative to v=rm,C.
669 * config/i386/sse.md (*vec_concatv2di): Add x86_avx512dq v=Yv,rm
670 alternative. Change x=xm,C alternative to v=vm,C, x=x,x alternative
671 to v=Yv,Yv and x=x,m to v=v,m. Use maybe_evex prefix attribute
672 instead of vex for the last two above mentioned alternatives.
674 2016-06-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
677 * config/arm/arm.c (arm_output_multireg_pop): Guard "pop" on update.
679 2016-06-02 Segher Boessenkool <segher@kernel.crashing.org>
681 * config/rs6000/dfp.md (trunctddd2): Correct the "length" attribute.
683 2016-06-01 David Malcolm <dmalcolm@redhat.com>
685 * config/rl78/rl78.c (rl78_expand_prologue): Convert local
686 from int to unsigned.
688 2016-05-31 Michael Meissner <meissner@linux.vnet.ibm.com>
690 * config/rs6000/vsx.md (vsx_splat_<mode>, V2DI/V2DF): Simplify
691 alternatives, eliminating preferred register class. Add support
692 for the MTVSRDD instruction in ISA 3.0.
693 (vsx_splat_v4si_internal): Use splat_input_operand instead of
694 reg_or_indexed_operand.
695 (vsx_splat_v4sf_internal): Likewise.
697 2016-05-31 Michael Meissner <meissner@linux.vnet.ibm.com>
700 * config/rs6000/vsx.md (xxspltib_<mode>_nosplit): Add alternatives
701 for loading up all 0's or all 1's.
703 2016-06-01 Thomas Preud'homme <thomas.preudhomme@arm.com>
705 * doc/sourcebuild.texi (arm_acq_rel): Document new effective target.
707 2016-06-01 Eduard Sanou <dhole@openmailbox.org>
709 * doc/cppenv.texi: Note that the `%s` in `date` is a non-standard
711 * gcc.c (driver_handle_option): Call set_source_date_epoch_envvar.
712 * gcc.c (set_source_date_epoch_envvar): New function, sets
713 the SOURCE_DATE_EPOCH environment variable to the current time.
715 2016-06-01 Eric Botcazou <ebotcazou@adacore.com>
717 * tree-vect-loop.c (vect_determine_vectorization_factor): Also compute
718 the factor for live Phi nodes.
720 2016-06-01 Jan Hubicka <hubicka@ucw.cz>
722 * loop-dolop.c (doloop_optimize): Us likely max iteration bound.
723 * tree-parloops.c (parallelize_loops): likewise.
724 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop,
725 tree_unswitch_outer_loop): likewise.
727 2016-06-01 Jakub Jelinek <jakub@redhat.com>
730 * gimplify.c (gimplify_omp_for): Temporarily clear gimplify_omp_ctxp
731 around creation of the temporary.
733 2016-06-01 Richard Biener <rguenther@suse.de>
735 PR tree-optimization/71366
736 * tree-ssa-loop-ivcanon.c (edges_to_remove): New global.
737 (unloop_loops): Move removing edges here ...
738 (try_unroll_loop_completely): ... from here.
739 (try_peel_loop): ... and here.
740 (tree_unroll_loops_completely_1): Track parent loops via
741 bitmap of header BBs.
742 (tree_unroll_loops_completely): Adjust for that.
744 2016-06-01 Kelvin Nilsen <kelvin@gcc.gnu.org>
746 * config/rs6000/altivec.h (vec_slv): New macro.
747 (vec_srv): New macro.
748 * config/rs6000/altivec.md (UNSPEC_VSLV): New value.
749 (UNSPEC_VSRV): New value.
752 * config/rs6000/rs6000-builtin.def (vslv): New builtin definition.
753 (vsrv): New builtin definition.
754 * config/rs6000/rs6000-c.c (P9V_BUILTIN_VSLV): Macro expansion to
755 define argument types for new builtin.
756 (P9V_BUILTIN_VSRV): Macro expansion to define argument types for
758 * doc/extend.texi: Document the new vec_vslv and vec_srv built-in
761 2016-06-01 Uros Bizjak <ubizjak@gmail.com>
762 Jocelyn Mayer <l_indien@magic.fr>
765 * config/i386/driver-i386.c (host_detect_local_cpu): Correctly
766 detect processor family for signature_CENTAUR_ebx.
767 <case PROCESSOR_I486>: Pass c3, winchip2 or winchip-c6 for
768 signature_CENTAUR_ebx.
769 <case PROCESSOR _PENTIUMPRO>: Pass c3-2 for signature_CENTAUR_ebx.
770 <default>: Pass x86-64 for has_longmode.
772 2016-06-01 Nathan Sidwell <nathan@acm.org>
774 * config/nvptx/nvptx.c (nvptx_assemble_undefined_decl): Reject
777 2016-06-01 Richard Biener <rguenther@suse.de>
779 PR tree-optimization/71261
780 * tree-vect-patterns.c (check_bool_pattern): Gather a hash-set
781 of stmts successfully put in the bool pattern. Remove
782 single-use restriction.
783 (adjust_bool_pattern_cast): Add cast at the use site via the
784 pattern def sequence.
785 (adjust_bool_pattern): Remove recursion, maintain a hash-map
786 of patterned defs. Use the pattern def seqence instead of
787 multiple independent patterns.
788 (sort_after_uid): New qsort compare function.
789 (adjust_bool_stmts): New function to process stmts in the bool
791 (vect_recog_bool_pattern): Adjust.
792 * tree-if-conv.c (ifcvt_split_def_stmt): Remove.
793 (ifcvt_walk_pattern_tree): Likewise.
794 (stmt_is_root_of_bool_pattern): Likewise.
795 (ifcvt_repair_bool_pattern): Likewise.
796 (tree_if_conversion): Do not call ifcvt_repair_bool_pattern.
798 2016-06-01 Jan Hubicka <hubicka@ucw.cz>
800 * loop-unroll.c (decide_unroll_constant_iterations,
801 decide_unroll_runtime_iterations, decide_unroll_stupid): Use
803 * loop-iv.c (find_simple_exit): Dump likely upper bounds.
805 2016-06-01 Thomas Schwinge <thomas@codesourcery.com>
807 * tree-core.h (enum omp_clause_code): Remove
808 OMP_CLAUSE_DEVICE_RESIDENT. Adjust all users.
810 2016-06-01 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
812 * config/arm/sync.md (arm_store_exclusive<mode>):
813 Use 'H' output modifier on operands[2] rather than creating a new
814 entry in out-of-bounds memory of the operands array.
815 (arm_store_release_exclusivedi): Likewise.
817 2016-06-01 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
819 * config/arm/arm.c (arm_fusion_enabled_p): New function.
820 * config/arm/arm-protos.h (arm_fusion_enabled_p): Declare prototype.
821 * config/arm/crypto.md (crypto_<crypto_pattern>, CRYPTO_UNARY):
822 Add "=w,0" alternative. Enable it when AES/AESMC fusion is enabled.
824 2016-06-01 Eric Botcazou <ebotcazou@adacore.com>
826 * tree-vect-loop.c (vect_determine_vectorization_factor): Also take
827 into account live statements for mask producers.
829 2016-06-01 Richard Biener <rguenther@suse.de>
831 PR tree-optimization/71311
832 * match.pd (@0 < @1 && @0 < @2 -> @0 < min(@1,@2)): Add :c and
833 restrict to non-INTEGER_CST @0.
835 2016-06-01 Richard Biener <rguenther@suse.de>
837 * match.pd ((A & B) - (A & ~B) -> B - (A ^ B)): Add missing :c.
838 (relational patterns): Use :c to avoid pattern duplications.
840 2016-06-01 Richard Biener <rguenther@suse.de>
842 * genmatch.c (comparison_code_p): New predicate.
843 (swap_tree_comparison): New function.
844 (commutate): Add for_vec parameter to append new for entries.
845 Support commutating relational operators by swapping it alongside
847 (lower_commutative): Adjust.
848 (dt_simplify::gen): Do not pass artificial operators to gen
850 (decision_tree::gen): Do not add artificial operators as parameters.
851 (parser::parse_expr): Verify operator commutativity when :c is
852 applied. Allow :C to override this.
853 * match.pd: Adjust patterns to use :C instead of :c where required.
855 2016-06-01 Patrick Palka <ppalka@gcc.gnu.org>
857 PR tree-optimization/71077
858 * tree-ssa-threadedge.c (simplify_control_stmt_condition_1): In
859 the combining step, use boolean_false_node and boolean_true_node
860 as the designated false/true return values.
862 2016-05-31 Jan Hubicka <hubicka@ucw.cz>
864 * predict.def (PRED_LOOP_EXTRA_EXIT): Define.
865 * predict.c (predict_iv_comparison): Also check PRED_LOOP_EXTRA_EXIT.
866 (predict_extra_loop_exits): Use PRED_LOOP_EXTRA_EXIT instead of
869 2016-05-31 Jan Hubicka <hubicka@ucw.cz>
871 * doc/invoke.texi (-frename-registers): Drop -fpeel-loops from list
872 of flags impliying the register renaming.
873 * toplev.c (process_options): Do not imply flag_rename_registers with
876 2016-05-31 Oleg Endo <olegendo@gcc.gnu.org>
878 * config/sh/sh.h (ASM_OUTPUT_SYMBOL_REF): Remove macro and use the
879 default implementation.
881 2016-05-31 Nathan Sidwell <nathan@acm.org>
883 * dwarf2out.c (cur_line_info_table): Add GTY marker.
885 2016-05-31 Oleg Endo <olegendo@gcc.gnu.org>
887 * config/sh/constraints.md (b): Remove constraint.
888 * config/sh/predicates.md (arith_reg_operand): Remove
890 * config/sh/sh-modes.def (PDI): Remove.
891 * config/sh/sh.c (sh_target_reg_class,
892 sh_optimize_target_register_callee_saved): Remove functions.
893 (sh_option_override): Don't set MASK_SAVE_ALL_TARGET_REGS.
894 (sh_expand_epilogue): Update comment.
895 (sh_hard_regno_mode_ok, sh_register_move_cost, calc_live_regs,
896 sh_secondary_reload): Remove TARGET_REGS related code.
897 * config/sh/sh.h (FIRST_TARGET_REG, LAST_TARGET_REG,
898 TARGET_REGISTER_P): Remove macros.
899 (SH_DBX_REGISTER_NUMBER, REG_ALLOC_ORDER): Remove target regs.
900 * config/sh/sh.md (PR_MEDIA_REG, T_MEDIA_REG, FR23_REG, TR0_REG,
901 TR1_REG, TR2_REG): Remove constants.
902 * config/sh/sh.opt (SAVE_ALL_TARGET_REGS): Remove.
904 2016-05-31 Oleg Endo <olegendo@gcc.gnu.org>
906 * config/sh/sh.md (adddi3, subdi3, negdi2, abs<mode>2): Remove
907 define_expand patterns.
908 (adddi3_compact): Rename to adddi3.
909 (subdi3_compact): Rename to subdi3.
910 (*negdi2): Rename to negdi2.
911 (*abs<mode>2): Rename to abs<mode>2.
913 2016-05-31 Oleg Endo <olegendo@gcc.gnu.org>
915 * config/rx/rx.md (FETCHOP_NO_MINUS): New code iterator.
916 (atomic_<fetchop_name>_fetchsi): Extract minus operator into ...
917 (atomic_sub_fetchsi): ... this new pattern.
918 (mvtc): Add CC_REG clobber.
920 2016-05-31 Marek Polacek <polacek@redhat.com>
922 * gimplify.c (gimplify_switch_expr): Also handle GIMPLE_TRY.
924 2016-05-31 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
926 * config/aarch64/aarch64.c (aarch_macro_fusion_pair_p): Use
927 aarch64_fusion_enabled_p to check for fusion capabilities.
929 2016-05-31 Richard Biener <rguenther@suse.de>
931 PR tree-optimization/71352
932 * tree-ssa-reassoc.c (zero_one_operation): Handle op equal to
933 minus one and a negate.
935 2016-05-31 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
937 * config/aarch64/aarch64.c (aarch64_simd_attr_length_move): Delete.
938 * config/aarch64/aarch64-protos.h (aarch64_simd_attr_length_move):
940 * config/aarch64/iterators.md (insn_count): Add descriptive comment.
941 * config/aarch64/aarch64-simd.md (*aarch64_mov<mode>, VSTRUCT modes):
942 Remove use of aarch64_simd_attr_length_move, set length attribute
944 (*aarch64_be_movoi): Likewise.
945 (*aarch64_be_movci): Likewise.
946 (*aarch64_be_movxi): Likewise.
948 2016-05-31 Jan Hubicka <hubicka@ucw.cz>
950 * loop-init.c (gate): Do not enale RTL loop unroller with -fpeel-loops.
951 It no longer does that.
952 * toplev.c (process_options): Do not enable flag_web with -fpeel-loops.
954 2016-05-31 Wladimir J. van der Laan <laanwj@gmail.com>
956 * config/aarch64/arm_neon.h (vdupb_laneq_s8): Remove spurious
957 attribute __unused__.
959 2016-05-31 Thomas Preud'homme <thomas.preudhomme@arm.com>
961 * config/arm/arm-protos.h (arm_arch_thumb1): Declare.
962 * config/arm/arm.c (arm_arch_thumb1): Define.
963 (arm_option_override): Initialize arm_arch_thumb1.
964 * config/arm/arm.h (arm_arch_thumb1): Declare.
965 (TARGET_ARM_ARCH_ISA_THUMB): Use arm_arch_thumb to determine if target
968 2016-05-31 Kirill Yukhin <kirill.yukhin@intel.com>
971 * config/i386/sse.md (define_insn_and_split "*vec_extractv4sf_0"): Use
972 `Yv' for scalar operand.
974 2016-05-31 Tom de Vries <tom@codesourcery.com>
976 PR tree-optimization/69068
977 * graphite-isl-ast-to-gimple.c (copy_bb_and_scalar_dependences): Handle
978 phis with more than two args.
980 2016-05-30 Andreas Tobler <andreast@gcc.gnu.org>
982 * config.gcc: Move hard float support for arm*hf*-*-freebsd* into
983 armv6*-*-freebsd* for FreeBSD 11. Eliminate the arm*hf*-*-freebsd*
986 2016-05-30 Jose E. Marchesi <jose.marchesi@oracle.com>
988 * config.gcc (sparc*-*-*): Support cpu_32, cpu_64, tune_32 and
990 * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
992 * config/sparc/linux64.h (OPTION_DEFAULT_SPECS): Add entries for
993 cpu_32, cpu_64, tune_32 and tune_64.
994 * config/sparc/sol2.h (OPTION_DEFAULT_SPECS): Likewise.
996 2016-05-30 Uros Bizjak <ubizjak@gmail.com>
998 * config/i386/sync.md (mfence_nosse): Use "lock orl $0, -4(%esp)".
1000 2016-05-30 Andi Kleen <ak@linux.intel.com>
1002 * auto-profile.c (read_profile): Replace asserts with errors
1003 when file does not exist.
1004 * gcov-io.c (gcov_read_words): Dito.
1006 2016-05-30 Jan Hubicka <hubicka@ucw.cz>
1008 * tree-cfg.c (print_loop): Print likely upper bounds.
1010 2016-05-30 Jan Hubicka <hubicka@ucw.cz>
1012 * doc/invoke.texi (-fpeel-loops,-O3): Update documentation.
1013 * opts.c (default_options): Enable peel loops at -O3.
1014 * tree-ssa-loop-ivcanon.c (peeled_loops): New static var.
1015 (try_peel_loop): Do not re-peel already peeled loops;
1016 use likely upper bounds; fix profile updating.
1017 (pass_complete_unroll::execute): Initialize peeled_loops.
1019 2016-05-30 Martin Liska <mliska@suse.cz>
1021 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Scale
1022 computed costs by frequency of BB they belong to.
1023 (get_scaled_computation_cost_at): New function.
1025 2016-05-30 Alexander Monakov <amonakov@ispras.ru>
1026 Marc Glisse <marc.glisse@inria.fr>
1028 PR tree-optimization/71289
1029 * match.pd (-1 / B < A, A > -1 / B): New transformations.
1031 2016-05-30 Jan Hubicka <hubicka@ucw.cz>
1033 * tree-vect-loop.c (vect_transform_loop): Update likely bounds.
1035 2016-05-30 Jan Hubicka <hubicka@ucw.cz>
1037 * tree-ssa-loop-ivcanon.c (try_peel_loop): Correctly set wont_exit
1038 for peeled copies; avoid underflow when updating estimates; correctly
1041 2016-05-30 Kugan Vivekanandarajah <kuganv@linaro.org>
1043 * tree-ssa-reassoc.ci (swap_ops_for_binary_stmt): Fix typo from commit
1044 r236875. Corrected oe3 to oe2 as obvious.
1046 2016-05-30 Kugan Vivekanandarajah <kuganv@linaro.org>
1050 * tree-ssa-reassoc.c (insert_stmt_before_use): Use find_insert_point so
1051 that inserted stmt will not dominate stmts that defines its operand.
1052 (rewrite_expr_tree): Add stmt_to_insert before adding the use stmt.
1053 (rewrite_expr_tree_parallel): Likewise.
1055 2016-05-30 Kugan Vivekanandarajah <kuganv@linaro.org>
1058 * tree-ssa-reassoc.c (swap_ops_for_binary_stmt): Fix swap such that
1059 all fields including stmt_to_insert are swapped.
1061 2016-05-30 Jan Hubicka <hubicka@ucw.cz>
1063 * predict.h (force_edge_cold): Declare.
1064 * predict.c (force_edge_cold): New function.
1065 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Fix profile
1067 (canonicalize_loop_induction_variables): Fix formating.
1069 2016-05-30 Eric Botcazou <ebotcazou@adacore.com>
1071 * config/visium/visium.c (visium_split_double_add): Minor tweaks.
1072 (visium_expand_copysign): Use gen_int_mode directly.
1073 (visium_compute_frame_size): Minor tweaks.
1075 2016-05-30 Jan Hubicka <hubicka@ucw.cz>
1077 * tree-vect-loop.c (vect_analyze_loop_2): Use
1078 likely_max_stmt_executions_int.
1080 2016-05-30 Tom de Vries <tom@codesourcery.com>
1082 PR tree-optimization/69067
1083 * graphite-isl-ast-to-gimple.c (get_def_bb_for_const): Remove assert.
1085 2016-05-29 Uros Bizjak <ubizjak@gmail.com>
1088 * config/i386/sync.md (define_peephole2 atomic_storedi_fpu):
1089 New peepholes to remove unneeded fild/fistp pairs.
1090 (define_peephole2 atomic_loaddi_fpu): Ditto.
1092 2016-05-27 Jan Hubicka <hubicka@ucw.cz>
1094 * predict.c (maybe_hot_frequency_p): Avoid division.
1096 2016-05-28 Gerald Pfeifer <gerald@pfeifer.com>
1098 * doc/install.texi: Use https for shop.fsf.org.
1100 2016-05-27 Jan Hubicka <hubicka@ucw.cz>
1102 * tree-ssa-loop-ivopts.c (estimated_stmt_executions_int): Use
1103 likely_max_stmt_executions_int.
1105 2016-05-27 Jan Hubicka <hubicka@ucw.cz>
1107 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Use
1108 likely_max_stmt_executions_int.
1110 2016-05-27 Jan Hubicka <hubicka@ucw.cz>
1112 * profile.c (compute_branch_probabilities): Do not report hitrates
1114 (branch_prob): Report hitrates here.
1115 * predict.c (gimple_predict_edge): Do not assert profile status;
1116 fix formatting issues.
1118 2016-05-27 Jan Hubicka <hubicka@ucw.cz>
1120 * predict.c (edge_predicted_by_p): New function.
1121 (predict_paths_for_bb): Do not put multiple predictions of the same type
1124 2016-05-27 Jan Hubicka <hubicka@ucw.cz>
1126 * tree-ssa-loop-niter.c (number_of_iterations_exit): Revert accidental
1129 2016-05-28 Alan Modra <amodra@gmail.com>
1131 * dominance.c (verify_dominators): Don't segfault on NULL imm_bb.
1133 2016-05-28 Alan Modra <amodra@gmail.com>
1135 PR rtl-optimization/71275
1136 * ira.c (ira): Free dominance info.
1138 2016-05-27 Gerald Pfeifer <gerald@pfeifer.com>
1140 * doc/sourcebuild.texi: New address for upstream Go repository.
1142 2016-05-27 Thomas Preud'homme <thomas.preudhomme@arm.com>
1144 * config/arm/arm.h (TARGET_ARM_V6M): Remove.
1145 (TARGET_ARM_V7M): Likewise.
1147 2016-05-26 Jeff Law <law@redhat.com>
1149 * tree-ssa-threadedge.c: Remove include of tree-ssa-threadbackward.h.
1150 (thread_across_edge): Remove calls to find_jump_threads_backwards.
1151 * passes.def: Add jump threading passes before DOM/VRP.
1152 * tree-ssa-threadbackward.c (find_jump_threads_backwards): Change
1153 argument to a basic block from an edge. Remove tests which are
1155 (pass_data_thread_jumps, class pass_thread_jumps): New.
1156 (pass_thread_jumps::gate, pass_thread_jumps::execute): New.
1157 (make_pass_thread_jumps): Likewise.
1158 * tree-pass.h (make_pass_thread_jumps): Declare.
1160 2016-05-27 Eric Botcazou <ebotcazou@adacore.com>
1162 * config/visium/visium-protos.h (split_double_move): Rename into...
1163 (visium_split_double_move): ...this.
1164 (visium_split_double_add): Declare.
1165 * config/visium/visium.c (split_double_move): Rename into...
1166 (visium_split_double_move): ...this.
1167 (visium_split_double_add): New function.
1168 (visium_expand_copysign): Renumber operands for consistency.
1169 * config/visium/visium.md (DImode move splitter): Adjust to renaming.
1170 (DFmode move splitter): Likewise.
1171 (*addi3_insn): Split by means of visium_split_double_add.
1172 (*adddi3_insn_flags): Delete.
1173 (*plus_plus_sltu<subst_arith>): New insn.
1174 (*subdi3_insn): Split by means of visium_split_double_add.
1175 (subdi3_insn_flags): Delete.
1176 (*minus_minus_sltu<subst_arith>): New insn.
1177 (*negdi2_insn): Split by means of visium_split_double_add.
1178 (*negdi2_insn_flags): Delete.
1180 2016-05-27 Ulrich Weigand <uweigand@de.ibm.com>
1182 * configure.ac: Treat a --with-headers option without argument
1183 the same as the default (i.e. consult sys-include directory).
1184 * configure: Regenerate.
1186 2016-05-27 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1188 * config/aarch64/aarch64.c (aarch64_fusion_enabled_p): New function.
1189 * config/aarch64/aarch64-protos.h (aarch64_fusion_enabled_p): Declare
1191 * config/aarch64/aarch64-simd.md (aarch64_crypto_aes<aesmc_op>v16qi):
1192 Add "=w,0" alternative. Enable it when AES/AESMC fusion is enabled.
1194 2016-05-27 Jiong Wang <jiong.wang@arm.com>
1197 * config/aarch64/aarch64.c (aarch64_expand_builtin_va_start): Honor
1198 tree-stdarg analysis results.
1199 (aarch64_setup_incoming_varargs): Likewise.
1201 2016-05-27 Jiong Wang <jiong.wang@arm.com>
1203 * config/aarch64/aarch64.c (aarch64_build_builtin_va_list): Initialize
1204 va_list_gpr_counter_field and va_list_fpr_counter_field.
1206 2016-05-27 Wilco Dijkstra <wdijkstr@arm.com>
1209 * config/aarch64/aarch64.h (CANNOT_CHANGE_MODE_CLASS): Remove.
1210 * config/aarch64/aarch64.c
1211 (aarch64_cannot_change_mode_class): Remove function.
1212 * config/aarch64/aarch64-protos.h
1213 (aarch64_cannot_change_mode_class): Remove.
1215 2016-05-27 Jan Hubicka <hubicka@ucw.cz>
1217 * cfgloop.c (record_niter_bound): Record likely upper bounds.
1218 (likely_max_stmt_executions_int, get_likely_max_loop_iterations,
1219 get_likely_max_loop_iterations_int): New.
1220 * cfgloop.h (struct loop): Add nb_iterations_likely_upper_bound,
1221 any_likely_upper_bound.
1222 (get_likely_max_loop_iterations_int, get_likely_max_loop_iterations):
1224 * cfgloopmanip.c (copy_loop_info): Copy likely upper bounds.
1225 * loop-unroll.c (unroll_loop_constant_iterations): Update likely
1227 (unroll_loop_constant_iterations): Likewise.
1228 (unroll_loop_runtime_iterations): Likewise.
1229 * lto-streamer-in.c (input_cfg): Stream likely upper bounds.
1230 * lto-streamer-out.c (output_cfg): Likewise.
1231 * tree-ssa-loop-ivcanon.c (try_peel_loop): Update likely upper
1233 (canonicalize_loop_induction_variables): Dump likely upper bounds.
1234 * tree-ssa-loop-niter.c (record_estimate): Record likely upper bounds.
1235 (likely_max_loop_iterations): New.
1236 (likely_max_loop_iterations_int): New.
1237 (likely_max_stmt_executions): New.
1238 * tree-ssa-loop-niter.h (likely_max_loop_iterations,
1239 likely_max_loop_iterations_int, likely_max_stmt_executions_int,
1240 likely_max_stmt_executions): Declare.
1242 2016-05-27 Marek Polacek <polacek@redhat.com>
1245 * gimple-fold.c (gimple_fold_call): Check that LHS is not null.
1247 2016-05-27 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1249 * config/s390/s390.md (2x risbg splitters): Use
1250 reg_overlap_mentioned_p instead of rtx_equal_p.
1252 2016-05-27 Dominik Vogt <vogt@linux.vnet.ibm.com>
1254 * combine.c (make_compound_operation): Take known zero bits into
1255 account when checking for possible zero_extend.
1257 2016-05-27 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1259 * config/aarch64/aarch64.md (ashl<mode>3, SHORT modes):
1260 Use const_int_operand for operand 2 predicate. Simplify expand code
1263 2016-05-27 Ilya Enkovich <ilya.enkovich@intel.com>
1266 * fold-const.c (fold_ternary_loc): Don't fold VEC_COND_EXPR
1269 2016-05-27 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1271 * config/aarch64/aarch64-modes.def (CC_ZESWP, CC_SESWP): Delete.
1272 * config/aarch64/aarch64.c (aarch64_select_cc_mode): Remove condition
1273 that returns CC_SESWPmode and CC_ZESWPmode.
1274 (aarch64_get_condition_code_1): Remove handling of CC_SESWPmode
1276 (aarch64_rtx_costs): Likewise.
1278 2016-05-26 Michael Meissner <meissner@linux.vnet.ibm.com>
1280 * config/rs6000/rs6000.c (rs6000_emit_p9_fp_minmax): New function
1281 for ISA 3.0 min/max support.
1282 (rs6000_emit_p9_fp_cmove): New function for ISA 3.0 floating point
1283 conditional move support.
1284 (rs6000_emit_cmove): Call rs6000_emit_p9_fp_minmax and
1285 rs6000_emit_p9_fp_cmove if the ISA 3.0 instructions are
1287 * config/rs6000/rs6000.md (SFDF2): New iterator to allow doing
1288 conditional moves where the comparison type is different from move
1290 (fp_minmax): New code iterator for smin/smax.
1291 (minmax): New code attributes for min/max.
1292 (SMINMAX): Likewise.
1293 (smax<mode>3): Combine min, max insns into one insn using the
1294 fp_minmax code iterator. Add support for ISA 3.0 min/max
1295 instructions that don't need -ffast-math.
1296 (s<minmax><mode>3): Likewise.
1297 (smax<mode>3_vsx): Likewise.
1298 (smin<mode>3): Likewise.
1299 (s<minmax><mode>3_vsx): Likewise.
1300 (smin<mode>3_vsx): Likewise.
1301 (pre-VSX min/max splitters): Likewise.
1302 (s<minmax><mode>3_fpr): Likewise.
1303 (movsfcc): Rewrite floating point conditional moves to combine
1304 SFmode/DFmode into a single insn.
1305 (mov<mode>cc): Likewise.
1306 (movdfcc): Likewise.
1307 (fselsfsf4): Combine FSEL cases into a single insn, using SFDF and
1308 SFDF2 iterators to handle all combinations.
1309 (fseldfsf4): Likewise.
1310 (fsel<SFDF:mode><SFDF2:mode>4): Likewise.
1311 (fseldfdf4): Likewise.
1312 (fselsfdf4): Likewise.
1313 (mov<SFDF:mode><SFDF2:mode>cc_p9): Add support for the ISA 3.0
1314 comparison instructions that set a 0/-1 mask, and use it for
1315 floating point conditional move via XXSEL.
1316 (fpmask<mode>): Likewise.
1317 (xxsel<mode>): Likewise.
1318 * config/rs6000/predicates.md (min_max_operator): Delete, no
1320 (fpmask_comparison_operaton): New insn for ISA 3.0 comparison
1321 instructions that generate a 0/-1 mask for use with XXSEL.
1322 * config/rs6000/rs6000.h (TARGET_MINMAX_SF): New helper macros to
1323 say whether floating point min/max is available, either through
1324 FSEL, ISA 2.06 min/max, and ISA 3.0 min/max instrucitons.
1325 (TARGET_MINMAX_DF): Likewise.
1327 2016-05-27 Alan Modra <amodra@gmail.com>
1329 PR rtl-optimization/71275
1330 * ira.c (ira): Call loop_optimizer_init to set up bb_loop_depth
1331 for update_equiv_regs and combine_and_move_insns.
1333 2016-05-26 Uros Bizjak <ubizjak@gmail.com>
1335 * config/i386/i386.md (*movqi_internal) <attr "isa">: Use
1336 if_then_else or cond RTXes to calculate attribute value.
1337 * config/i386/mmx.md (*vec_extractv2sf_1) <attr "prefix_rep">: Ditto.
1338 <attr "length_immediate>: Ditto.
1339 (*vec_extractv2sf_1) <attr "length_immediate">: Ditto.
1340 * config/i386/sse.md (sse_loadlps) <attr "length_immediate">: Ditto.
1341 (*vec_concatv2sf_sse4_1) <attr "isa">: Ditto.
1342 <attr "type">: Ditto.
1343 <attr "prefix_data16">: Ditto.
1344 <attr "prefix_extra">: Ditto.
1345 <attr "length_immediate">: Ditto.
1346 <attr "prefix">: Ditto.
1347 (vec_set<mode>_0) <attr "isa">: Ditto.
1348 <attr "prefix_extra">: Ditto.
1349 <attr "length_immediate">: Ditto.
1350 <attr "prefix">: Ditto.
1351 (*vec_interleave_highv2df) <attr "prefix_data16">: Ditto.
1352 (*vec_interleave_lowv2df) <attr "prefix_data16">: Ditto.
1353 (sse2_storelpd) <attr "prefix_data16">: Ditto.
1354 (sse2_loadhpd) <attr "prefix_data16">: Ditto.
1355 (sse2_loadlpd) <attr "prefix_data16">: Ditto.
1356 <attr "length_immediate">: Ditto.
1357 <attr "prefix">: Ditto.
1358 (sse2_movsd) <attr "length_immediate">: Ditto.
1359 <attr "prefix">: Ditto.
1360 (vec_concatv2df) <attr "isa">: Ditto.
1361 <attr "prefix">: Ditto.
1362 (*vec_extractv4si) <attr "prefix_extra">: Ditto.
1363 (*vec_extractv2di_1) <attr "isa">: Ditto.
1364 <attr "type">: Ditto.
1365 <attr "length_immediate">: Ditto.
1366 <attr "prefix_rex">: Ditto.
1367 <attr "prefix_extra">: Ditto.
1368 (*vec_concatv2si_sse4_1) <attr "type">: Ditto.
1369 <attr "prefix_extra">: Ditto.
1370 <attr "length_immediate">: Ditto.
1371 (vec_concatv2di) <attr "isa">: Ditto.
1372 <attr "prefix_extra">: Ditto.
1373 <attr "length_immediate">: Ditto.
1374 <attr "prefix">: Ditto.
1376 2016-05-26 Martin Liska <mliska@suse.cz>
1378 * tree-ssa-loop-ivopts.c (comp_cost::infinite_cost_p): New
1380 (operator+): Likewise.
1381 (operator-): Likewise.
1382 (comp_cost::operator+=): Likewise.
1383 (comp_cost::operator-=): Likewise.
1384 (comp_cost::operator/=): Likewise.
1385 (comp_cost::operator*=): Likewise.
1386 (operator<): Likewise.
1387 (operator==): Likewise.
1388 (operator<=): Likewise.
1390 (infinite_cost_p): Likewise.
1391 (add_costs): Likewise.
1392 (sub_costs): Likewise.
1393 (compare_costs): Likewise.
1394 (set_group_iv_cost): Use the newly introduced functions.
1395 (get_address_cost): Likewise.
1396 (get_shiftadd_cost): Likewise.
1397 (force_expr_to_var_cost): Likewise.
1398 (split_address_cost): Likewise.
1399 (ptr_difference_cost): Likewise.
1400 (difference_cost): Likewise.
1401 (get_computation_cost_at): Likewise.
1402 (determine_group_iv_cost_generic): Likewise.
1403 (determine_group_iv_cost_address): Likewise.
1404 (determine_group_iv_cost_cond): Likewise.
1405 (autoinc_possible_for_pair): Likewise.
1406 (determine_group_iv_costs): Likewise.
1407 (cheaper_cost_pair): Likewise.
1408 (iv_ca_recount_cost): Likewise.
1409 (iv_ca_set_no_cp): Likewise.
1410 (iv_ca_set_cp): Likewise.
1411 (iv_ca_cost): Likewise.
1412 (iv_ca_new): Likewise.
1413 (iv_ca_dump): Likewise.
1414 (iv_ca_narrow): Likewise.
1415 (iv_ca_prune): Likewise.
1416 (iv_ca_replace): Likewise.
1417 (try_add_cand_for): Likewise.
1418 (try_improve_iv_set): Likewise.
1419 (find_optimal_iv_set): Likewise.
1421 2016-05-26 Richard Sandiford <richard.sandiford@arm.com>
1423 * tree-ssa-loop-ivopts.c (loop_body_includes_call): Don't assume
1424 that internal functions will clobber all caller-saved registers.
1426 2016-05-26 Wilco Dijkstra <wdijkstr@arm.com>
1428 * config/aarch64/aarch64.c (aarch64_case_values_threshold):
1429 Return a better case_values_threshold when optimizing.
1431 2016-05-26 Wilco Dijkstra <wdijkstr@arm.com>
1433 * config/aarch64/aarch64-simd.md (aarch64_combinez):
1434 Add ? to integer variant.
1435 (aarch64_combinez_be): Likewise.
1437 2016-05-26 Jakub Jelinek <jakub@redhat.com>
1439 * config/i386/sse.md (*vcvtps2ph_store<mask_name>): Use v constraint
1440 instead of x constraint.
1441 (vcvtps2ph256<mask_name>): Likewise.
1443 * config/i386/sse.md (*ssse3_palignr<mode>_perm): Add avx512bw
1444 alternative. Formatting fix.
1446 * config/i386/sse.md
1447 (<mask_codefor>avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Rename
1449 (avx512vl_shuf_<shuffletype>32x4_1<mask_name>): ... this.
1450 (*avx_vperm_broadcast_v4sf): Use v constraint instead of x. Use
1451 maybe_evex prefix instead of vex.
1452 (*avx_vperm_broadcast_<mode>): Use v constraint instead of x. Handle
1453 EXT_REX_SSE_REG_P (op0) case in the splitter.
1455 2016-05-25 Jeff Law <law@redhat.com>
1457 PR tree-optimization/71272
1458 * tree-ssa-threadbackward.c (convert_and_register_jump_thread_path):
1459 Update comments. Add test for empty path.
1461 2016-05-25 Bill Seurer <seurer@linux.vnet.ibm.com>
1463 * config/rs6000/altivec.h (vec_cmpne): Add #define for vec_cmpne.
1464 * config/rs6000/rs6000-builtin.def (vec_cmpne): Add vec_cmpne as a
1465 special case builtin.
1466 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
1467 code for ALTIVEC_BUILTIN_VEC_CMPNE.
1468 * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
1469 for __builtin_vec_cmpne.
1471 2016-05-25 Eric Botcazou <ebotcazou@adacore.com>
1473 * tree-ssa-phiopt.c (factor_out_conditional_conversion): Remove
1474 redundant test and bail out if the type of the new operand is not
1475 a GIMPLE register type after stripping a VIEW_CONVERT_EXPR.
1477 2016-05-25 Uros Bizjak <ubizjak@gmail.com>
1479 * config/i386/i386.opt (ix86_target_flags_explicit): Remove.
1480 (x_ix86_target_flags_explicit): Remove.
1481 * config/i386/i386.c (ix86_function_specific_save): Do not copy
1482 x_ix86_target_flags_explicit.
1483 (ix86_function_specific_restore): Ditto.
1485 2016-05-25 Uros Bizjak <ubizjak@gmail.com>
1486 H.J. Lu <hongjiu.lu@intel.com>
1489 * common/config/i386/i386-common.c
1490 (OPTION_MASK_ISA_GENERAL_REGS_ONLY_UNSET): New.
1491 (ix86_handle_option) <case OPT_mgeneral_regs_only>: Disable
1492 MPX, MMX, SSE and x87 instructions for -mgeneral-regs-only.
1493 * config/i386/i386.opt (ix86_target_flags): Add new Variable.
1494 (-mgeneral-regs-only): Add new option.
1495 * config/i386/i386.c (ix86_option_override_internal): Don't enable
1496 x87 instructions if only general registers are allowed.
1497 (ix86_target_string): Add ix86_flags argument. Handle additional
1498 flags options through ix86_flags argument. Update all callers.
1499 * doc/invoke.texi: Document -mgeneral-regs-only.
1501 2016-05-25 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1503 PR rtl-optimization/66940
1504 * ifcvt.c (noce_get_alt_condition): Check that incrementing or
1505 decrementing desired_val will not overflow before performing these
1508 2016-05-25 Ilya Verbin <ilya.verbin@intel.com>
1510 * config/i386/i386-builtin-types.def: Add V16SI_FTYPE_V16SF,
1511 V8DF_FTYPE_V8DF_ROUND, V16SF_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF_ROUND.
1512 * config/i386/i386.c (enum ix86_builtins): Add
1513 IX86_BUILTIN_CVTPS2DQ512_MASK, IX86_BUILTIN_FLOORPS512,
1514 IX86_BUILTIN_FLOORPD512, IX86_BUILTIN_CEILPS512, IX86_BUILTIN_CEILPD512,
1515 IX86_BUILTIN_TRUNCPS512, IX86_BUILTIN_TRUNCPD512,
1516 IX86_BUILTIN_CVTPS2DQ512, IX86_BUILTIN_VEC_PACK_SFIX512,
1517 IX86_BUILTIN_FLOORPS_SFIX512, IX86_BUILTIN_CEILPS_SFIX512,
1518 IX86_BUILTIN_ROUNDPS_AZ_SFIX512.
1519 (builtin_description bdesc_args): Add __builtin_ia32_floorps512,
1520 __builtin_ia32_ceilps512, __builtin_ia32_truncps512,
1521 __builtin_ia32_floorpd512, __builtin_ia32_ceilpd512,
1522 __builtin_ia32_truncpd512, __builtin_ia32_cvtps2dq512,
1523 __builtin_ia32_vec_pack_sfix512, __builtin_ia32_roundps_az_sfix512,
1524 __builtin_ia32_floorps_sfix512, __builtin_ia32_ceilps_sfix512.
1525 Change IX86_BUILTIN_CVTPS2DQ512 to IX86_BUILTIN_CVTPS2DQ512_MASK for
1526 __builtin_ia32_cvtps2dq512_mask.
1527 (ix86_expand_args_builtin): Handle V8DF_FTYPE_V8DF_ROUND,
1528 V16SF_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF.
1529 (ix86_builtin_vectorized_function): Handle builtins mentioned above.
1530 * config/i386/sse.md
1531 (<mask_codefor>avx512f_fix_notruncv16sfv16si<mask_name><round_name>):
1533 (avx512f_fix_notruncv16sfv16si<mask_name><round_name>): ... this.
1534 (<mask_codefor>avx512f_cvtpd2dq512<mask_name><round_name>): Rename
1536 (avx512f_cvtpd2dq512<mask_name><round_name>): ... this.
1537 (avx512f_vec_pack_sfix_v8df): New define_expand.
1538 (avx512f_roundpd512): Rename to ...
1539 (avx512f_round<castmode>512): ... this. Change iterator.
1540 (avx512f_roundps512_sfix): New define_expand.
1541 (round<mode>2_sfix): Change iterator.
1543 2016-05-25 Nick Clifton <nickc@redhat.com>
1545 * config/msp430/msp430.c (msp430_attr): Produce an error if a
1546 static interrupt handler is detected.
1547 * config/msp430/msp430.h (LIB_SPEC): Do not use msp430.ld as the
1548 default linker script.
1549 * config/msp430/msp430.md (movpsihi2_lo): New pattern for loading
1550 the low part of a symbolic pointer.
1552 2016-05-25 Richard Biener <rguenther@suse.de>
1554 PR tree-optimization/71261
1555 * tree-if-conv.c (ifcvt_split_def_stmt): Walk uses on the
1556 interesting stmt instead of immediate uses when looking
1557 for the use operand to replace.
1559 2016-05-25 Martin Liska <mliska@suse.cz>
1561 * ipa-inline.c (edge_badness): Use 'w/' instead of 'w'.
1563 2016-05-25 Richard Biener <rguenther@suse.de>
1565 PR tree-optimization/71264
1566 * tree-vect-stmts.c (vect_init_vector): Properly deal with
1569 2016-05-25 Martin Liska <mliska@suse.cz>
1571 PR tree-optimization/71239
1572 * tree.c (array_at_struct_end_p): Do not call operand_equal_p
1573 if DECL_SIZE is NULL.
1575 2016-05-25 Richard Biener <rguenther@suse.de>
1577 * timevar.def (TV_TREE_LOOP_IFCVT): Add.
1578 * tree-if-conv.c (pass_data_if_conversion): Use it.
1580 2016-05-25 Bernd Edlinger <bernd.edlinger@hotmail.de>
1582 * cgraph.c (cgraph_node::get_availability): Fix typo in comment.
1583 * symtab.c (symtab_node::binds_to_current_def_p): Likewise.
1584 * varpool.c (varpool_node::get_availability): Likewise.
1586 2016-05-24 Michael Meissner <meissner@linux.vnet.ibm.com>
1588 * config/rs6000/altivec.md (VNEG iterator): New iterator for
1589 VNEGW/VNEGD instructions.
1590 (p9_neg<mode>2): New insns for ISA 3.0 VNEGW/VNEGD.
1591 (neg<mode>2): Add expander for V2DImode added in ISA 2.07, and
1592 support for ISA 3.0 VNEGW/VNEGD instructions.
1594 2016-05-24 Cesar Philippidis <cesar@codesourcery.com>
1596 * gimplify.c (omp_notice_variable): Use zero-length arrays for data
1597 pointers inside OACC_DATA regions.
1598 (gimplify_scan_omp_clauses): Prune firstprivate clause associated
1599 with OACC_DATA, OACC_ENTER_DATA and OACC_EXIT data regions.
1600 (gimplify_adjust_omp_clauses): Fix typo in comment.
1602 2016-05-24 Michael Meissner <meissner@linux.vnet.ibm.com>
1604 * config/rs6000/altivec.md (VParity): New mode iterator for vector
1605 parity built-in functions.
1606 (p9v_ctz<mode>2): Add support for ISA 3.0 vector count trailing
1608 (p9v_parity<mode>2): Likewise.
1609 * config/rs6000/vector.md (VEC_IP): New mode iterator for vector
1611 (ctz<mode>2): ISA 3.0 expander for vector count trailing zeros.
1612 (parity<mode>2): ISA 3.0 expander for vector parity.
1613 * config/rs6000/rs6000-builtin.def (BU_P9_MISC_1): New macros for
1615 (BU_P9_64BIT_MISC_0): Likewise.
1616 (BU_P9_MISC_0): Likewise.
1617 (BU_P9V_AV_1): Likewise.
1618 (BU_P9V_AV_2): Likewise.
1619 (BU_P9V_AV_3): Likewise.
1620 (BU_P9V_AV_P): Likewise.
1621 (BU_P9V_VSX_1): Likewise.
1622 (BU_P9V_OVERLOAD_1): Likewise.
1623 (BU_P9V_OVERLOAD_2): Likewise.
1624 (BU_P9V_OVERLOAD_3): Likewise.
1625 (VCTZB): Add vector count trailing zeros support.
1629 (VPRTYBD): Add vector parity support.
1630 (VPRTYBQ): Likewise.
1631 (VPRTYBW): Likewise.
1632 (VCTZ): Add overloaded vector count trailing zeros support.
1633 (VPRTYB): Add overloaded vector parity support.
1634 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
1635 overloaded vector count trailing zeros and parity instructions.
1636 * config/rs6000/rs6000.md (wd mode attribute): Add V1TI and TI for
1637 vector parity support.
1638 * config/rs6000/altivec.h (vec_vctz): Add ISA 3.0 vector count
1639 trailing zeros support.
1640 (vec_cntlz): Likewise.
1641 (vec_vctzb): Likewise.
1642 (vec_vctzd): Likewise.
1643 (vec_vctzh): Likewise.
1644 (vec_vctzw): Likewise.
1645 (vec_vprtyb): Add ISA 3.0 vector parity support.
1646 (vec_vprtybd): Likewise.
1647 (vec_vprtybw): Likewise.
1648 (vec_vprtybq): Likewise.
1649 * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
1650 the ISA 3.0 vector count trailing zeros and vector parity built-in
1653 2016-05-24 Kugan Vivekanandarajah <kuganv@linaro.org>
1655 * tree-ssa-reassoc.c (sort_by_operand_rank): Skip checking gimple_bb
1656 when there is stmt_to_insert.
1658 2016-05-24 Martin Sebor <msebor@redhat.com>
1661 * tree.h (complete_or_array_type_p): New inline function.
1663 2016-05-24 Jakub Jelinek <jakub@redhat.com>
1665 * config/i386/i386.h (TARGET_AVOID_4BYTE_PREFIXES): Define.
1666 * config/i386/constraints.md (Yr): Test TARGET_AVOID_4BYTE_PREFIXES
1667 rather than X86_TUNE_AVOID_4BYTE_PREFIXES.
1669 * config/i386/sse.md (<sse4_1>_round<ssemodesuffix><avxsizesuffix>):
1670 Limit 1st alternative to noavx isa, split 2nd alternative into one
1671 noavx and one avx alternative, use *x and Bm in the former and
1672 x and m in the latter.
1674 * config/i386/sse.md (vec_set<mode>_0): Use sse4_noavx isa instead
1675 of sse4 for the first alternative, drop %v from the template
1676 and d operand modifier. Split second alternative into one sse4_noavx
1677 and one avx alternative, use *x instead of *v in the former and v
1678 instead of *v in the latter.
1679 (*sse4_1_extractps): Use noavx isa instead of * for the first
1680 alternative, drop %v from the template. Split second alternative into
1681 one noavx and one avx alternative, use *x instead of *v in the
1682 former and v instead of *v in the latter.
1683 (<vi8_sse4_1_avx2_avx512>_movntdqa): Guard the first 2 alternatives
1684 with noavx and the last one with avx.
1685 (sse4_1_phminposuw): Guard first alternative with noavx isa,
1686 split the second one into one noavx and one avx alternative,
1687 use *x and Bm in the former and x and m in the latter one.
1688 (<sse4_1>_ptest<mode>): Use noavx instead of * for the first two
1691 * config/i386/sse.md (sse4_1_<code>v8qiv8hi2<mask_name>): Limit
1692 first two alternatives to noavx, use *x instead of *v in the second
1693 one, add avx alternative without *.
1694 (sse4_1_<code>v4qiv4si2<mask_name>, sse4_1_<code>v4hiv4si2<mask_name>,
1695 sse4_1_<code>v2qiv2di2<mask_name>, sse4_1_<code>v2hiv2di2<mask_name>,
1696 sse4_1_<code>v2siv2di2<mask_name>): Likewise.
1698 2016-05-24 Jeff Law <law@redhat.com>
1700 * tree-ssa-threadbackwards.c (convert_and_register_jump_thread_path):
1701 New function, extracted from...
1702 (fsm_find_control_statement_thread_paths): Here. Use the new function.
1703 Allow simple copies and constant initializations in the SSA chain.
1705 2016-05-24 Marek Polacek <polacek@redhat.com>
1708 * gimplify.c (gimplify_switch_expr): Look into the innermost lexical
1711 2016-05-24 Jakub Jelinek <jakub@redhat.com>
1714 * tree-vect-stmts.c (vectorizable_simd_clone_call): Handle
1715 SIMD_CLONE_ARG_TYPE_LINEAR_REF_CONSTANT_STEP like
1716 SIMD_CLONE_ARG_TYPE_LINEAR_CONSTANT_STEP. Add
1717 SIMD_CLONE_ARG_TYPE_LINEAR_VAL_CONSTANT_STEP and
1718 SIMD_CLONE_ARG_TYPE_LINEAR_UVAL_CONSTANT_STEP cases explicitly.
1720 2016-05-24 Richard Biener <rguenther@suse.de>
1722 PR tree-optimization/71240
1723 * tree-ssa-math-opts.c (init_symbolic_number): Verify the source
1726 2016-05-24 Richard Biener <rguenther@suse.de>
1728 PR tree-optimization/71230
1729 * tree-ssa-reassoc.c (zero_one_operation): Handle negate special ops.
1731 2016-05-24 Richard Sandiford <richard.sandiford@arm.com>
1733 * tree-vectorizer.h (vectorizable_comparison): Delete.
1734 * tree-vect-loop.c (vectorizable_reduction): Remove redundant
1735 PURE_SLP_STMT check.
1736 * tree-vect-stmts.c (vectorizable_call): Likewise.
1737 (vectorizable_simd_clone_call): Likewise.
1738 (vectorizable_conversion): Likewise.
1739 (vectorizable_assignment): Likewise.
1740 (vectorizable_shift): Likewise.
1741 (vectorizable_operation): Likewise.
1742 (vectorizable_load): Likewise.
1743 (vectorizable_condition): Likewise.
1744 (vectorizable_store): Likewise. Assert that we don't have
1746 (vectorizable_comparison): Make static. Remove redundant
1747 PURE_SLP_STMT check.
1748 (vect_transform_stmt): Assert that we always have an slp_node
1751 2016-05-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1753 * config/arm/neon.md (ashldi3_neon): Replace comparison of INTVAL of
1754 operands[2] against 1 with comparison against CONST1_RTX.
1755 (<shift>di3_neon): Likewise.
1756 * config/arm/predicates.md (const0_operand): Replace with comparison
1759 2016-05-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1761 * config/arm/arm.md (ashldi3): Replace comparison of INTVAL of
1762 operands[2] against 1 with comparison against CONST1_RTX.
1763 (ashrdi3): Likewise.
1764 (lshrdi3): Likewise.
1765 (ashlsi3): Replace cast of INTVAL to unsigned HOST_WIDE_INT with
1767 (ashrsi3): Likewise.
1768 (lshrsi3): Likewise.
1769 (rotrsi3): Likewise.
1770 (define_split above *compareqi_eq0): Likewise.
1771 (define_split above "prologue"): Likewise.
1772 * config/arm/arm.c (thumb1_size_rtx_costs): Likewise.
1773 * config/arm/predicates.md (shift_operator): Likewise.
1774 (shift_nomul_operator): Likewise.
1775 (sat_shift_operator): Likewise.
1776 (thumb1_cmp_operand): Likewise.
1777 (const_neon_scalar_shift_amount_operand): Replace manual range
1778 check with IN_RANGE.
1779 * config/arm/thumb1.md (define_peephole2 above *thumb_subdi3):
1780 Replace cast of INTVAL to unsigned HOST_WIDE_INT with UINTVAL.
1782 2016-05-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1784 * config/arm/arm.md (andsi3): Replace cast of 1 to HOST_WIDE_INT
1785 with HOST_WIDE_INT_1.
1787 * config/arm/arm.c (optimal_immediate_sequence): Replace cast of
1788 1 to unsigned HOST_WIDE_INT with HOST_WIDE_INT_1U.
1789 (arm_canonicalize_comparison): Likewise.
1790 (thumb1_rtx_costs): Replace cast of 1 to HOST_WIDE_INT with
1792 (thumb1_size_rtx_costs): Likewise.
1793 (vfp_const_double_index): Replace cast of 1 to unsigned
1794 HOST_WIDE_INT with HOST_WIDE_INT_1U.
1795 (get_jump_table_size): Replace cast of 1 to HOST_WIDE_INT with
1797 (arm_asan_shadow_offset): Replace cast of 1 to unsigned
1798 HOST_WIDE_INT with HOST_WIDE_INT_1U.
1799 * config/arm/neon.md (vec_set<mode>): Replace cast of 1 to
1800 HOST_WIDE_INT with HOST_WIDE_INT_1.
1802 2016-05-24 Marek Polacek <polacek@redhat.com>
1804 * tree-cfg.h (should_remove_lhs_p): New predicate.
1805 * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Use it.
1806 * gimplify.c (gimplify_modify_expr): Likewise.
1807 * tree-cfg.c (verify_gimple_call): Likewise.
1808 * tree-cfgcleanup.c (fixup_noreturn_call): Likewise.
1809 * gimple-fold.c: Include "tree-cfg.h".
1810 (gimple_fold_call): Use should_remove_lhs_p.
1812 2016-05-24 Richard Biener <rguenther@suse.de>
1814 PR tree-optimization/71253
1815 * cfganal.h (control_dependences): Make robust against edge
1817 (control_dependences::control_dependences): Remove edge_list argument.
1818 (control_dependences::get_edge): Remove.
1819 (control_dependences::get_edge_src): Add.
1820 (control_dependences::get_edge_dest): Likewise.
1821 (control_dependences::m_el): Make a vector of edge src/dest index.
1822 * cfganal.c (control_dependences::find_control_dependence): Adjust.
1823 (control_dependences::control_dependences): Likewise.
1824 (control_dependences::~control_dependence): Likewise.
1825 (control_dependences::get_edge): Remove.
1826 (control_dependences::get_edge_src): Add.
1827 (control_dependences::get_edge_dest): Likewise.
1828 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Use
1830 (perform_tree_ssa_dce): Adjust.
1831 * tree-loop-distribution.c (create_edge_for_control_dependence): Use
1833 (pass_loop_distribution::execute): Adjust. Do loop destroying
1834 conditional on changed.
1836 2016-05-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1839 * config/arm/arm.c (gen_operands_ldrd_strd): Remove bogus early
1840 return. Reindent transformation comment and mention the ARM state
1843 2016-05-24 Kugan Vivekanandarajah <kuganv@linaro.org>
1846 * tree-ssa-reassoc.c (rewrite_expr_tree_parallel): Add stmt_to_insert
1847 after build_and_add_sum creates new use stmt.
1849 2016-05-24 Richard Sandiford <richard.sandiford@arm.com>
1851 * tree-vect-stmts.c (vectorizable_load): Reorder checks so that
1852 load_lanes/grouped_load classification comes first. Don't check
1853 whether the vectorization factor is a multiple of the group size
1856 2016-05-24 Richard Sandiford <richard.sandiford@arm.com>
1858 * tree-vect-data-refs.c (vect_analyze_group_access_1): Set
1859 GROUP_GAP for single-element interleaving.
1860 * tree-vect-stmts.c (vectorizable_load): Remove force_peeling
1863 2016-05-24 Richard Biener <rguenther@suse.de>
1867 * tree-ssa.c (non_rewritable_mem_ref_base): Make sure to mark
1868 bases which are accessed with non-invariant indices.
1869 * gimple-fold.c (maybe_canonicalize_mem_ref_addr): Re-write
1870 constant index ARRAY_REFs of vectors into BIT_FIELD_REFs.
1872 2016-05-24 Kugan Vivekanandarajah <kuganv@linaro.org>
1875 * tree-ssa-reassoc.c (struct operand_entry): Add field stmt_to_insert.
1876 (add_to_ops_vec): Add stmt_to_insert.
1877 (add_repeat_to_ops_vec): Init stmt_to_insert.
1878 (insert_stmt_before_use): New.
1879 (transform_add_to_multiply): Remove mult_stmt insertion and add it
1881 (get_ops): Init stmt_to_insert.
1882 (maybe_optimize_range_tests): Likewise.
1883 (rewrite_expr_tree): Insert stmt_to_insert before use stmt.
1884 (rewrite_expr_tree_parallel): Likewise.
1885 (reassociate_bb): Likewise.
1887 2016-05-23 Michael Meissner <meissner@linux.vnet.ibm.com>
1890 * config/rs6000/altivec.md (altivec_vperm_<mode>_internal): Drop
1891 ISA 3.0 xxperm fusion alternative.
1892 (altivec_vperm_v8hiv16qi): Likewise.
1893 (altivec_vperm_<mode>_uns_internal): Likewise.
1894 (vperm_v8hiv4si): Likewise.
1895 (vperm_v16qiv8hi): Likewise.
1897 2016-05-23 Michael Meissner <meissner@linux.vnet.ibm.com>
1898 Kelvin Nilsen <kelvin@gcc.gnu.org>
1900 * config/rs6000/rs6000.c (rs6000_expand_vector_set): Generate
1901 vpermr/xxpermr on ISA 3.0.
1902 (altivec_expand_vec_perm_le): Likewise.
1903 * config/rs6000/altivec.md (UNSPEC_VPERMR): New unspec.
1904 (altivec_vpermr_<mode>_internal): Add VPERMR/XXPERMR support for
1907 2016-05-23 Uros Bizjak <ubizjak@gmail.com>
1909 * config/i386/i386.h (IS_STACK_MODE): Enable for
1910 TARGET_MIX_SSE_I387. Rewrite using X87_FLOAT_MODE_P and
1911 SSE_FLOAT_MODE_P macros.
1912 * config/i386/i386.c (ix86_preferred_reload_class): Use
1913 IS_STACK_MODE, INTEGER_CLASS_P, FLOAT_CLASS_P and Q_CLASS_P macros.
1914 Cleanup regclass processing for CONST_DOUBLE_P.
1915 (ix86_preferred_output_reload_class): Use IS_STACK_MODE macro.
1916 (ix86_rtx_costs): Remove redundant TARGET_80387 check
1917 with IS_STACK_MODE macro.
1918 * config/i386/i386.md: Replace SSE_FLOAT_MODE_P (DFmode)
1920 (*movdf_internal): Use IS_STACK_MODE macro.
1921 (*movsf_internal): Ditto.
1923 2016-05-23 Marc Glisse <marc.glisse@inria.fr>
1925 * match.pd (a * (1 << b), ~x & ~y, ~X ^ ~Y, (X ^ Y) ^ Y, ~ (-A),
1926 ~ (A - 1), ~(~X >> Y), ~(~X >>r Y)): Relax constraints.
1928 2016-05-23 Jeff Law <law@redhat.com>
1930 * tree-ssa-threadbackward.c (profitable_jump_thread_path): New function
1932 (fsm_find_control_statement_thread_paths): Call it.
1934 2016-05-23 Martin Jambor <mjambor@suse.cz>
1937 * ipa-cp.c (ipa_get_indirect_edge_target_1): Only check value of
1938 from_global_constant if t is not NULL.
1940 2016-05-23 Marek Polacek <polacek@redhat.com>
1943 * common.opt (Wswitch-unreachable): New option.
1944 * doc/invoke.texi: Document -Wswitch-unreachable.
1945 * gimplify.c (gimplify_switch_expr): Implement the -Wswitch-unreachable
1948 2016-05-23 Bin Cheng <bin.cheng@arm.com>
1950 * tree-ssa-address.c (copy_ref_info): Check NULL TMR_STEP when
1951 TMR_INDEX is non-NULL.
1953 2016-05-23 Richard Biener <rguenther@suse.de>
1955 PR tree-optimization/71230
1956 * tree-ssa-reassoc.c (acceptable_pow_call): Move initial condition...
1957 (try_special_add_to_ops): ... here. Always test for single-use.
1959 2016-05-23 Martin Jambor <mjambor@suse.cz>
1961 * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Create an empty
1962 default block if a PHI node in the original one would be resized.
1964 2016-05-23 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
1966 PR tree-optimization/58135
1967 * tree-vect-slp.c: When group size is not multiple
1968 of vector size, allow splitting of store group at
1971 2016-05-23 Christophe Lyon <christophe.lyon@linaro.org>
1973 * config/arm/arm_neon.h (vtst_p16, vtstq_p16): New.
1975 2016-05-22 Jakub Jelinek <jakub@redhat.com>
1977 * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
1978 vec_set_hi_<mode><mask_name>): Add && <mask_avx512dq_condition>
1979 condition. For !TARGET_AVX512DQ, emit 32x4 instruction instead
1982 * config/i386/sse.md (vec_set_lo_v16hi, vec_set_hi_v16hi,
1983 vec_set_lo_v32qi, vec_set_hi_v32qi): Add alternative with
1984 v constraint instead of x and vinserti32x4 insn.
1986 * config/i386/sse.md (i128vldq): New mode iterator.
1987 (avx2_vbroadcasti128_<mode>, avx_vbroadcastf128_<mode>): Add
1988 avx512dq and avx512vl alternatives.
1990 * config/i386/sse.md (avx2_vec_dupv4df): Use v instead of x
1991 constraint, use maybe_evex prefix instead of vex.
1992 (vec_dupv4sf): Use v constraint instead of x for output
1993 operand except for noavx alternative, use Yv constraint
1994 instead of x for input. Use maybe_evex prefix instead of vex.
1995 (*vec_dupv4si): Likewise.
1996 (*vec_dupv2di): Likewise.
1998 2016-05-22 Kugan Vivekanandarajah <kuganv@linaro.org>
2001 * tree-ssa-reassoc.c (try_special_add_to_ops): New.
2002 (linearize_expr_tree): Call try_special_add_to_ops.
2003 (reassociate_bb): Convert MULT_EXPR by (-1) to NEGATE_EXPR.
2005 2016-05-21 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
2007 * config/avr/avr.c (avr_expand_prologue): Add INCOMING_FRAME_SP_OFFSET
2008 to computed stack_usage.
2010 2016-05-21 Pitchumani Sivanupandi <pitchumani.s@atmel.com>
2013 * config/avr/avr.md (define_expand "mov<mode>"): If the source
2014 operand is subreg (symbol_ref) then move the symbol ref to register.
2016 2016-05-21 Jan Hubicka <hubicka@ucw.cz>
2018 * tree.c (array_at_struct_end_p): Look through MEM_REF.
2020 2016-05-21 Kugan Vivekanandarajah <kuganv@linaro.org>
2023 * tree-ssa-reassoc.c (transform_add_to_multiply): Disallow float
2026 2016-05-20 Eric Botcazou <ebotcazou@adacore.com>
2028 * tree-vrp.c (compare_values_warnv): Simplify handling of symbolic
2029 ranges by calling get_single_symbol and tidy up. Look more closely
2030 into NAME + CST1 vs CST2 comparisons if type overflow is undefined.
2032 2016-05-20 Jeff Law <law@redhat.com>
2034 * bitmap.c (bitmap_find_bit): Remove useless test.
2036 2016-05-20 Segher Boessenkool <segher@kernel.crashing.org>
2038 * function.c (thread_prologue_and_epilogue_insns): Commit the
2039 insertion of the epilogue.
2041 2016-05-20 Martin Jambor <mjambor@suse.cz>
2043 PR tree-optimization/70884
2044 * tree-sra.c (initialize_constant_pool_replacements): Do not check
2045 should_scalarize_away_bitmap and cannot_scalarize_away_bitmap bits.
2046 (sort_and_splice_var_accesses): Do not consider multiple scalar reads
2047 of constant pool data as a reason for scalarization.
2049 2016-05-20 Eric Botcazou <ebotcazou@adacore.com>
2051 * config/arm/arm.c (arm_expand_prologue): Set the stack usage to 0
2052 for naked functions.
2053 (thumb1_expand_prologue): Likewise.
2055 2016-05-20 Nathan Sidwell <nathan@acm.org>
2057 * config/nvptx/nptx.c (nvptx_option_override): Only set
2058 flag_toplevel_reorder, if not explicitly specified. Set
2059 flag_no_common, unless explicitly specified.
2061 2016-05-20 David Malcolm <dmalcolm@redhat.com>
2063 * calls.c (can_implement_as_sibling_call_p): Mark param
2064 reg_parm_stack_space with ATTRIBUTE_UNUSED.
2066 2016-05-20 Uros Bizjak <ubizjak@gmail.com>
2068 * config/i386/i386.c (ix86_rtx_costs) <case CONST_DOUBLE>:
2069 Use IS_STACK_MODE when calculating cost of standard 80387 constants.
2070 Fallthru to CONST_VECTOR case to calculate cost of standard SSE
2072 <case CONST_WIDE_INT>: Calculate cost of (MEM (SYMBOL_REF)).
2073 (ix86_legitimate_constant_p): Use CASE_CONST_SCALAR_INT
2076 2016-05-20 Cesar Philippidis <cesar@codesourcery.com>
2078 * config/nvptx/nvptx.md (sincossf3): New pattern.
2080 2016-05-20 David Malcolm <dmalcolm@redhat.com>
2082 * calls.c (maybe_complain_about_tail_call): New function.
2083 (initialize_argument_information): Call
2084 maybe_complain_about_tail_call when clearing *may_tailcall.
2085 (can_implement_as_sibling_call_p): Call
2086 maybe_complain_about_tail_call when returning false.
2087 (expand_call): Read CALL_EXPR_MUST_TAIL_CALL and, if set,
2088 ensure try_tail_call is set. Call maybe_complain_about_tail_call
2089 if tail-call optimization fails.
2090 * cfgexpand.c (expand_call_stmt): Initialize
2091 CALL_EXPR_MUST_TAIL_CALL from gimple_call_must_tail_p.
2092 * gimple-pretty-print.c (dump_gimple_call): Dump
2093 gimple_call_must_tail_p.
2094 * gimple.c (gimple_build_call_from_tree): Call
2095 gimple_call_set_must_tail with the value of
2096 CALL_EXPR_MUST_TAIL_CALL.
2097 * gimple.h (enum gf_mask): Add GF_CALL_MUST_TAIL_CALL.
2098 (gimple_call_set_must_tail): New function.
2099 (gimple_call_must_tail_p): New function.
2100 * print-tree.c (print_node): Update printing of TREE_STATIC
2101 to reflect its use for CALL_EXPR_MUST_TAIL_CALL.
2102 * tree-core.h (struct tree_base): Add MUST_TAIL_CALL to the
2103 trailing comment listing applicable flags.
2104 * tree.h (CALL_EXPR_MUST_TAIL_CALL): New macro.
2106 2016-05-20 David Malcolm <dmalcolm@redhat.com>
2108 * calls.c (expand_call): Move "Rest of purposes for tail call
2109 optimizations to fail" to...
2110 (can_implement_as_sibling_call_p): ...this new function, and
2111 split into multiple "if" statements.
2113 2016-05-20 Jan Hubicka <hubicka@ucw.cz>
2115 * cfgloop.h (expected_loop_iterations_unbounded,
2116 expected_loop_iterations): Unconstify.
2117 * cfgloopanal.c (expected_loop_iterations_unbounded): Sanity check the
2118 profile with known upper bound; return 3 when profile is absent.
2119 (expected_loop_iterations): Update.
2121 2016-05-20 Jan Hubicka <hubicka@ucw.cz>
2123 * loop-doloop.c (doloop_optimize): Use get_estimated_loop_iterations_int
2124 and get_max_loop_iterations_int.
2126 2016-05-20 Jan Hubicka <hubicka@ucw.cz>
2128 * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can not produce
2129 realistic upper bounds here.
2131 2016-05-20 Jakub Jelinek <jakub@redhat.com>
2134 * gimple-fold.c (gimple_fold_call): Do not remove lhs of noreturn
2135 calls if the LHS is variable length or has addressable type.
2136 If targets[0]->decl is a noreturn call with void return type and
2137 zero arguments, adjust fntype and remove lhs in that case.
2139 2016-05-20 Marc Glisse <marc.glisse@inria.fr>
2141 PR tree-optimization/71079
2142 PR tree-optimization/71206
2143 * match.pd ((X ^ Y) ^ (X ^ Z)): Convert the arguments.
2145 2016-05-20 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
2147 * tree-vectorizer.c (get_vec_alignment_for_decl): New static function.
2148 (get_vec_alignment_for_array_decl): Likewise.
2149 (get_vec_alignment_for_record_decl): Likewise.
2150 (increase_alignment::execute): Move code to find alignment to
2151 get_vec_alignment_for_array_decl and call get_vec_alignment_for_decl.
2152 (type_align_map): New hash_map.
2154 2016-05-20 Richard Guenther <rguenther@suse.de>
2156 PR tree-optimization/29756
2157 * tree.def (BIT_INSERT_EXPR): New tcc_expression tree code.
2158 * expr.c (expand_expr_real_2): Handle BIT_INSERT_EXPR.
2159 * fold-const.c (operand_equal_p): Likewise.
2160 (fold_ternary_loc): Add constant folding of BIT_INSERT_EXPR.
2161 * gimplify.c (gimplify_expr): Handle BIT_INSERT_EXPR.
2162 * tree-inline.c (estimate_operator_cost): Likewise.
2163 * tree-pretty-print.c (dump_generic_node): Likewise.
2164 * tree-ssa-operands.c (get_expr_operands): Likewise.
2165 * cfgexpand.c (expand_debug_expr): Likewise.
2166 * gimple-pretty-print.c (dump_ternary_rhs): Likewise.
2167 * gimple.c (get_gimple_rhs_num_ops): Handle BIT_INSERT_EXPR.
2168 * tree-cfg.c (verify_gimple_assign_ternary): Verify BIT_INSERT_EXPR.
2169 * tree-ssa.c (non_rewritable_lvalue_p): We can rewrite
2170 vector inserts using BIT_FIELD_REF or MEM_REF on the lhs.
2171 (execute_update_addresses_taken): Do it.
2173 2016-05-20 Richard Biener <rguenther@suse.de>
2175 PR tree-optimization/71185
2176 * tree-ssa-loop-prefetch.c (gather_memory_references): Drop
2177 register operations.
2179 2016-05-20 Richard Biener <rguenther@suse.de>
2181 * tree-if-conv.c (add_bb_predicate_gimplified_stmts): Use
2182 gimple_seq_add_seq_without_update.
2183 (release_bb_predicate): Assert we have no operands to free.
2184 (if_convertible_loop_p_1): Calculate post dominators later.
2185 Do not free BB predicates here.
2186 (combine_blocks): Do not recompute BB predicates.
2187 (version_loop_for_if_conversion): Save BB predicates around
2190 2016-05-19 Segher Boessenkool <segher@kernel.crashing.org>
2192 * function.c (make_epilogue_seq): Remove epilogue_end parameter.
2193 (thread_prologue_and_epilogue_insns): Remove bb_flags. Restructure
2194 code. Ignore sibcalls on EDGE_IGNORE edges.
2195 * shrink-wrap.c (handle_simple_exit): New function. Set EDGE_IGNORE
2196 on edges for sibcalls that run without prologue. The rest of the
2197 function is combined from...
2198 (fix_fake_fallthrough_edge): ... this, and ...
2199 (try_shrink_wrapping): ... a part of this. Remove the bb_with
2200 function argument, make it a local variable.
2202 2016-05-19 Sandra Loosemore <sandra@codesourcery.com>
2204 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Allow
2205 --disable-sjlj-exceptions for TARGET_BI_ARCH to select DWARF-2 EH
2206 for 32-bit mode and SEH for 64-bit.
2207 * config/i386/mingw32.h (SHARED_LIBGCC_UNDEFS_SPEC): Handle
2208 TARGET_64BIT_DEFAULT.
2210 2016-05-19 Ryan Burn <contact@rnburn.com>
2212 * Makefile.in (GTFILES): Add cilk.h and cilk-common.c.
2213 * gengtype.c (open_base_files): Add cilk.h to ifiles.
2215 2016-05-19 Uros Bizjak <ubizjak@gmail.com>
2217 * sched-deps.c (sched_analyze_2) <case TRAP_IF>: Also
2218 force pending loads from memory.
2220 2016-05-19 Kelvin Nilsen <kelvin@gcc.gnu.org>
2222 * config/rs6000/altivec.md (UNSPEC_DARN): New unspec constant.
2223 (UNSPEC_DARN_32): New unspec constant.
2224 (UNSPEC_DARN_RAW): New unspec constant.
2225 (darn_32): New instruction.
2226 (darn_raw): New instruction.
2227 (darn): New instruction.
2228 * config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_0): Add
2229 support and documentation for this macro.
2230 (BU_P9_MISC_1): New macro definition.
2231 (BU_P9_64BIT_MISC_0): New macro definition.
2232 (BU_P9_MISC_0): New macro definition.
2233 (darn_32): New builtin definition.
2234 (darn_raw): New builtin definition.
2235 (darn): New builtin definition.
2236 * config/rs6000/rs6000.c: Add #define RS6000_BUILTIN_0 and #undef
2237 RS6000_BUILTIN_0 directives to surround each occurrence of
2238 #include "rs6000-builtin.def".
2239 (rs6000_builtin_mask_calculate): Add in the RS6000_BTM_MODULO and
2240 RS6000_BTM_64BIT flags to the returned mask, depending on
2242 (def_builtin): Correct an error in the assignments made to the
2243 debugging variable attr_string.
2244 (rs6000_expand_builtin): Add support for no-operand built-in
2246 (builtin_function_type): Remove fatal_error assertion that is no
2248 (rs6000_common_init_builtins): Add support for no-operand built-in
2250 * config/rs6000/rs6000.h (RS6000_BTM_MODULO): New macro
2252 (RS6000_BTM_PURE): Enhance comment to clarify intent of this flag
2254 (RS6000_BTM_64BIT): New macro definition.
2255 * doc/extend.texi: Document __builtin_darn (void),
2256 __builtin_darn_raw (void), and __builtin_darn_32 (void) built-in
2259 2016-05-19 Jan Hubicka <hubicka@ucw.cz>
2261 * tree-vect-loop.c (vect_analyze_loop_2): Use also
2262 max_loop_iterations_int.
2264 2016-05-19 Marek Polacek <polacek@redhat.com>
2266 PR tree-optimization/71031
2267 * tree-vrp.c (extract_range_from_binary_expr_1): Turn assert into a
2268 condition and adjust the code a bit.
2270 2016-05-19 Martin Liska <mliska@suse.cz>
2272 * tree-vect-stmts.c (vectorizable_simd_clone_call): Utilize
2273 auto_vec instead of vec.
2275 2016-05-19 Martin Liska <mliska@suse.cz>
2277 * tree-parloops.c (oacc_entry_exit_ok): Release a vector.
2279 2016-05-19 Martin Liska <mliska@suse.cz>
2281 * tree-if-conv.c (ifcvt_repair_bool_pattern): Utilize auto_vecs.
2283 2016-05-19 Martin Liska <mliska@suse.cz>
2285 * ipa-pure-const.c (set_function_state): Remove an existing
2287 (remove_node_data): Do not free it as it's released
2288 in set_function_state.
2290 2016-05-19 Martin Liska <mliska@suse.cz>
2292 * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Release
2295 2016-05-19 Martin Liska <mliska@suse.cz>
2297 * omp-simd-clone.c (simd_clone_adjust): Release vector.
2299 2016-05-19 Martin Liska <mliska@suse.cz>
2301 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Truncate
2302 an auto_vec instead of re-creating it.
2304 2016-05-19 Martin Liska <mliska@suse.cz>
2306 * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Use
2307 auto_vec instead of vec.
2309 2016-05-19 Martin Liska <mliska@suse.cz>
2311 * lto-section-in.c (lto_get_section_data): Call
2312 lto_check_version with additional argument.
2313 * lto-streamer.c (lto_check_version): Add new argument.
2314 * lto-streamer.h (lto_check_version): Likewise.
2316 2016-05-19 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2318 * config/arm/arm.c (arm_new_rtx_costs, SIGN_EXTEND case):
2319 Don't add cost of inner memory when handling sign-extended loads.
2321 2016-05-19 Ilya Enkovich <ilya.enkovich@intel.com>
2323 PR rtl-optimization/71148
2324 * cse.c (cse_main): Free dominance info.
2325 (rest_of_handle_cse): Don't free dominance info.
2326 (rest_of_handle_cse2): Likewise.
2327 (rest_of_handle_cse_after_global_opts): Likewise.
2329 2016-05-19 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2332 * config/arm/arm-builtins.c (arm_builtin_vectorized_function): Return
2333 NULL_TREE early if NEON is not available. Remove now redundant check
2334 in ARM_CHECK_BUILTIN_MODE.
2336 2016-05-19 Maxim Ostapenko <m.ostapenko@samsung.com>
2339 * cppbuiltin.c (define_builtin_macros_for_compilation_flags): Add new
2340 builtin __SANITIZE_THREAD__ macros for fsanitize=thread switch.
2341 * doc/cpp.texi: Document new macros.
2343 2016-05-19 Bin Cheng <bin.cheng@arm.com>
2345 PR tree-optimization/69848
2346 * tree-vect-loop.c (vectorizable_reduction): Don't factor
2347 comparison expr out of VEC_COND_EXPR for COND_REDUCTION.
2349 2016-05-19 Segher Boessenkool <segher@kernel.crashing.org>
2351 * function.c (thread_prologue_and_epilogue_insn): Move the
2352 "goto epilogue_done" one block later.
2354 2016-05-19 Richard Biener <rguenther@suse.de>
2356 PR tree-optimization/70729
2357 * passes.def: Move LIM pass before PRE. Remove no longer
2358 required copyprop and move first DCE out of the loop pipeline.
2360 2016-05-18 David Malcolm <dmalcolm@redhat.com>
2363 * Makefile.in (GCC_OBJS): Move spellcheck.o to...
2364 (OBJS-libcommon-target): ...here.
2365 * opts-common.c: Include spellcheck.h.
2366 (cmdline_handle_error): Build a vec of valid options and use it
2367 to suggest provide hints for misspelled arguments.
2369 2016-05-18 Jakub Jelinek <jakub@redhat.com>
2372 * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Don't drop
2373 lhs if it has TREE_ADDRESSABLE type.
2375 2016-05-18 Uros Bizjak <ubizjak@gmail.com>
2378 * config/alpha/alpha.md (trap): Add (use (reg:DI 29)).
2379 (*exception_receiver_1): Return "#" for TARGET_EXPLICIT_RELOCS.
2381 2016-05-18 Martin Jambor <mjambor@suse.cz>
2384 * ipa-cp.c (ipa_get_jf_pass_through_result): Allow non-ip constant
2385 input for NOP_EXPR pass-through functions.
2386 * ipa-prop.c (ipa_compute_jump_functions_for_edge): Allow
2387 aggregate global constant VAR_DECLs in constant jump functions.
2389 2016-05-18 Martin Jambor <mjambor@suse.cz>
2392 * ipa-prop.c (parm_preserved_before_stmt_p): Return true for loads
2393 from TREE_READONLY parameters.
2395 2016-05-18 Martin Jambor <mjambor@suse.cz>
2398 * cgraph.h (cgraph_indirect_call_info): New field
2399 guaranteed_unmodified.
2400 * ipa-cp.c (ipa_get_indirect_edge_target_1): Also pass parameter value
2401 to ipa_find_agg_cst_for_param, check guaranteed_unmodified when
2403 * ipa-inline-analysis.c (evaluate_conditions_for_known_args): Also
2404 pass the parameter value to ipa_find_agg_cst_for_param.
2405 * ipa-prop.c (ipa_load_from_parm_agg): New parameter
2406 guaranteed_unmodified, store AA results there instead of bailing out
2408 (ipa_note_param_call): Also initialize guaranteed_unmodified flag.
2409 (ipa_analyze_indirect_call_uses): Also set guaranteed_unmodified flag.
2410 (find_constructor_constant_at_offset): New function.
2411 (ipa_find_agg_cst_from_init): Likewise.
2412 (ipa_find_agg_cst_for_param): Also seearch for aggregate values in
2413 static initializers of contants, report back through a new paameter
2414 from_global_constant if that was the case.
2415 (try_make_edge_direct_simple_call): Also pass parameter value to
2416 ipa_find_agg_cst_for_param, check guaranteed_unmodified when
2418 (ipa_write_indirect_edge_info): Stream new flag guaranteed_unmodified.
2419 (ipa_read_indirect_edge_info): Likewise.
2420 * ipa-prop.h (ipa_find_agg_cst_for_param): Update declaration.
2421 (ipa_load_from_parm_agg): Likewise.
2423 2016-05-18 Jiong Wang <jiong.wang@arm.com>
2425 PR rtl-optimization/71150
2426 * lra-constraint (process_addr_reg): Guard "in_class_p" with REG_P
2429 2016-05-18 Michael Meissner <meissner@linux.vnet.ibm.com>
2432 * config/rs6000/constraints.md (wE constraint): New constraint
2433 for a vector constant that can be loaded with XXSPLTIB.
2434 (wM constraint): New constraint for a vector constant of a 1's.
2435 (wS constraint): New constraint for a vector constant that can be
2436 loaded with XXSPLTIB and a vector sign extend instruction.
2437 * config/rs6000/predicates.md (xxspltib_constant_split): New
2438 predicates for wE/wS constraints.
2439 (xxspltib_constant_nosplit): Likewise.
2440 (easy_vector_constant): Add support for constants that can be
2441 loaded via XXSPLTIB.
2442 (all_ones_constant): New predicate for vector constant with all
2444 (splat_input_operand): Add support for ISA 3.0 word splat operations.
2445 * config/rs6000/rs6000.c (xxspltib_constant_p): New function to
2446 return if a constant can be loaded with the ISA 3.0 XXSPLTIB
2447 instruction and possibly with a sign extension.
2448 (output_vec_const_move): Add support for XXSPLTIB. If we are
2449 loading up 0/-1 into Altivec registers, prefer using VSPLTISW
2450 instead of XXLXOR/XXLORC.
2451 (rs6000_expand_vector_init): Add support for ISA 3.0 word splat
2453 (rs6000_legitimize_reload_address): Likewise.
2454 (rs6000_output_move_128bit): Use output_vec_const_move to emit
2456 * config/rs6000/vsx.md (VSX_M): Add TImode (if -mvsx-timode) and
2457 combine VSX_M and VSX_M2 into one iterator.
2459 (VSINT_84): New iterators for loading constants with XXSPLTIB.
2460 (VSINT_842): Likewise.
2461 (UNSPEC_VSX_SIGN_EXTEND): New UNSPEC.
2462 (xxspltib_v16qi): New insns to load up constants with the ISA 3.0
2463 XXSPLTIB instruction.
2464 (xxspltib_<mode>_nosplit): Likewise.
2465 (xxspltib_<mode>_split): New insn to load up constants with
2466 XXSPLTIB and a sign extend instruction.
2467 (vsx_mov<mode>): Replace single move that handled all vector types
2468 with separate 32-bit and 64-bit moves. Combine the movti_<bit>
2469 moves (when -mvsx-timode is in effect) into the main vector
2470 moves. Eliminate separate moves for <VSr> <VSa>, where the
2471 preferred register class (<VSr>) is listed first, and the
2472 secondary register class (<VSa>) is listed second with a '?' to
2473 discourage use. Prefer loading 0/-1 in any VSX register for ISA
2474 3.0, and Altivec registers for ISA 2.06/2.07 (PR target/70915) so
2475 that if the register was involved in a slow operation, the
2476 clear/set operation does not wait for the slow operation to
2477 finish. Adjust the length attributes for 32-bit mode. Use
2478 rs6000_output_move_128bit and drop the use of the string
2479 instructions for 32-bit movti when -mvsx-timode is in effect. Use
2480 spacing so that the alternatives and attributes don't generate
2481 long lines, and put things in columns, so that it is easier to
2482 match up the operands and attributes with the insn alternatives.
2483 (vsx_mov<mode>_64bit): Likewise.
2484 (vsx_mov<mode>_32bit): Likewise.
2485 (vsx_movti_64bit): Fold movti into normal vector moves.
2486 (vsx_movti_32bit): Likewise.
2487 (vsx_splat_<mode>, V4SI/V4SF modes): Add support for ISA 3.0 word
2489 (vsx_splat_v4si_internal): Likewise.
2490 (vsx_splat_v4sf_internal): Likewise.
2491 (vector fusion peepholes): Use VSX_M instead of VSX_M2.
2492 (vsx_sign_extend_qi_<mode>): New ISA 3.0 instructions to sign
2493 extend vector elements.
2494 (vsx_sign_extend_hi_<mode>): Likewise.
2495 (vsx_sign_extend_si_v2di): Likewise.
2496 * config/rs6000/rs6000-protos.h (xxspltib_constant_p): Add
2498 * doc/md.texi (PowerPC constraints): Document the wE, wM, and wS
2499 constraints. Add trailing period to wL documentation.
2501 2016-05-18 Richard Sandiford <richard.sandiford@arm.com>
2504 * tree-dfa.h (replace_abnormal_ssa_names): Declare.
2505 * tree-dfa.c (replace_abnormal_ssa_names): New function.
2506 * tree-call-cdce.c: Include tree-dfa.h.
2507 (can_guard_call_p): New function, extracted from...
2508 (can_use_internal_fn): ...here.
2509 (shrink_wrap_one_built_in_call_with_conds): Remove failure path
2511 (shrink_wrap_one_built_in_call): Likewise.
2512 (use_internal_fn): Likewise.
2513 (shrink_wrap_conditional_dead_built_in_calls): Update accordingly
2514 and return void. Call replace_abnormal_ssa_names.
2515 (pass_call_cdce::execute): Check can_guard_call_p during the
2516 initial walk. Assume shrink_wrap_conditional_dead_built_in_calls
2517 will always change something.
2519 2016-05-18 Martin Jambor <mjambor@suse.cz>
2522 * ipa-prop.c (determine_locally_known_aggregate_parts): Bail out early
2523 if parameter PARAM_IPA_MAX_AGG_ITEMS is zero.
2525 2016-05-18 Martin Jambor <mjambor@suse.cz>
2528 * ipa-inline.h (condition): New field size.
2529 * ipa-inline-analysis.c (add_condition): New parameter SIZE, use it
2530 for comaprison and store it into the new condition.
2531 (evaluate_conditions_for_known_args): Use condition size to check
2532 access sizes for all but CHANGED conditions.
2533 (unmodified_parm_1): New parameter size_p, store access size into it.
2534 (unmodified_parm): Likewise.
2535 (unmodified_parm_or_parm_agg_item): Likewise.
2536 (eliminated_by_inlining_prob): Pass NULL to unmodified_parm as size_p.
2537 (set_cond_stmt_execution_predicate): Extract access sizes and store
2539 (set_switch_stmt_execution_predicate): Likewise.
2540 (will_be_nonconstant_expr_predicate): Likewise.
2541 (will_be_nonconstant_predicate): Likewise.
2542 (inline_read_section): Stream condition size.
2543 (inline_write_summary): Likewise.
2545 2016-05-18 Richard Biener <rguenther@suse.de>
2547 * tree-ssa-loop-im.c (determine_max_movement): Properly add
2548 condition cost to PHI cost instead of total_cost.
2550 2016-05-18 Martin Liska <mliska@suse.cz>
2553 * ipa-icf.c (sem_variable::merge): Set DECL_PT_UID for
2556 2016-05-18 Richard Biener <rguenther@suse.de>
2558 * lto-streamer.h (LTO_major_version): Bump to 6.
2560 2016-05-18 Segher Boessenkool <segher@kernel.crashing.org>
2562 * function.c (make_split_prologue_seq, make_prologue_seq,
2563 make_epilogue_seq): New functions, factored out from...
2564 (thread_prologue_and_epilogue_insns): Here.
2566 2016-05-18 Segher Boessenkool <segher@kernel.crashing.org>
2568 * function.c (rest_of_handle_thread_prologue_and_epilogue): Call
2569 cleanup_cfg with CLEANUP_EXPENSIVE after shrink-wrapping instead
2570 of before. Add a comment.
2572 2016-05-18 Bin Cheng <bin.cheng@arm.com>
2574 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Check invariant
2575 expression pointer, not pointer to the pointer.
2577 2016-05-18 Jakub Jelinek <jakub@redhat.com>
2579 * config/i386/sse.md (pbroadcast_evex_isa): New mode attr.
2580 (avx2_pbroadcast<mode>): Add another alternative with v instead
2581 of x constraints in it, using <pbroadcast_evex_isa> isa.
2582 (avx2_pbroadcast<mode>_1): Similarly, add two such alternatives.
2584 * config/i386/sse.md (<ssse3_avx2>_palignr<mode>): Use
2585 constraint x instead of v in second alternative, add avx512bw
2588 * config/i386/sse.md (<ssse3_avx2>_pshufb<mode>3<mask_name>): Use
2589 constraint x instead of v in second alternative, add avx512bw
2592 * config/i386/sse.md (*<ssse3_avx2>_pmulhrsw<mode>3<mask_name>): Use
2593 constraint x instead of v in second alternative, add avx512bw
2596 * config/i386/sse.md (avx2_pmaddubsw256, ssse3_pmaddubsw128): Add
2597 avx512bw alternative.
2599 2016-05-18 Kirill Yukhin <kirill.yukhin@intel.com>
2601 * config/i386/sse.md (define_insn "*andnot<mode>3"): Extend static
2603 (define_insn "*andnottf3"): Ditto.
2604 (define_insn "*<code><mode>3"/any_logic): Ditto.
2605 (define_insn "*<code>tf3"/any_logic): Ditto.
2606 (define_insn "sse2_storehpd"): Use Yv constraint for scalar
2607 operand to block AVX-512VL insn variant emit when it is not enabled.
2609 2016-05-18 Kirill Yukhin <kirill.yukhin@intel.com>
2611 * config/i386/sse.md (define_insn "*vec_concatv2sf_sse4_1"): Use 'Yv'
2612 constraint fot SF mode.
2614 2016-05-18 Petr Murzin <petr.murzin@intel.com>
2615 Kirill Yukhin <kirill.yukhin@intel.com>
2617 * config/i386/sse.md (define_insn "srcp14<mode>"): Use proper operand
2619 (define_insn "rsqrt14<mode>"): Ditto.
2620 (define_insn "<mask_codefor>avx512dq_cvtps2qqv2di<mask_name>"): Ditto.
2621 (define_insn "<fixsuffix>fix_truncv2sfv2di2<mask_name>"): Ditto.
2622 (define_insn "avx512f_<code>v8div16qi2_mask_store"): Ditto.
2623 (define_insn "vec_set_hi_<mode><mask_name>"): Ditto.
2624 (define_insn "<mask_codefor>avx512dq_broadcast<mode><mask_name>"):
2626 (define_insn "*avx512f_gatherdi<mode>"): Ditto.
2627 (define_insn "*avx512f_scatterdi<mode>"): Ditto.
2628 * config/i386/i386.c (ix86_print_operand): Expand check for size
2629 override codes for Intel syntax.
2631 2016-05-18 Richard Biener <rguenther@suse.de>
2633 PR tree-optimization/71168
2634 * tree-loop-distribution.c (distribute_loop): Move *destroy_p
2635 initialization earlier.
2637 2016-05-18 James Greenhalgh <james.greenhalgh@arm.com>
2639 * config/aarch64/aarch64-simd.md
2640 (aarch64_reduc_plus_internal<mode>): Rename to...
2641 (reduc_plus_scal): ...This, and remove previous implementation.
2643 2016-05-18 Richard Biener <rguenther@suse.de>
2645 * passes.def: Put late dse and cd_dce in canonical order.
2647 2016-05-17 Jan Hubicka <hubicka@ucw.cz>
2649 * ipa-inline-transform.c (preserve_function_body_p): Look for
2650 first non-thunk clone.
2651 (save_function_body): Save into first non-thunk.
2652 * lto-cgraph.c (lto_output_edge): When streaming thunk do not look
2654 (lto_output_node): Inline thunks don't need body in every
2656 * lto-streamer-in.c: Do not fixup thunk clones.
2657 * cgraphclones.c (cgraph_node::create_edge_including_clone): Skip
2659 * tree-inline.c (copy_bb): Be prepared for target node to be new after
2662 2016-05-17 Kugan Vivekanandarajah <kuganv@linaro.org>
2665 * tree-ssa-reassoc.c (transform_add_to_multiply): New.
2666 (reassociate_bb): Call transform_add_to_multiply.
2668 2016-05-17 Kugan Vivekanandarajah <kuganv@linaro.org>
2670 * config/aarch64/aarch64.c (all_extensions): Removed unused
2673 2016-05-17 Nathan Sidwell <nathan@acm.org>
2675 * config/nvptx/nvptx.c (nvptx_function_arg_boundary): New.
2676 (TARGET_FUNCTION_ARG_BOUNDARY): Override.
2678 2016-05-17 Mikhail Maltsev <maltsevm@gmail.com>
2680 PR tree-optimization/54579
2682 * match.pd (~(~X >> Y), ~(~X >>r Y), ~(~X <<r Y)): New patterns.
2684 2016-05-17 Marek Polacek <polacek@redhat.com>
2687 * tree-inline.c (expand_call_inline): Call
2688 maybe_remove_unused_call_args.
2690 2016-05-17 Jim Wilson <jim.wilson@linaro.org>
2692 * doc/cpp.texi (__GNUC__): Major version changes are no longer rare.
2693 * doc/invoke.texi (-mnan=2008): Change signalling to signaling.
2694 * doc/md.texi (fmin@var{m}3): Likewise.
2696 2016-05-17 Marc Glisse <marc.glisse@inria.fr>
2698 * match.pd (X & C): New transformation.
2700 2016-05-17 Marc Glisse <marc.glisse@inria.fr>
2702 * match.pd (~X & Y): New transformation.
2704 2016-05-17 Marc Glisse <marc.glisse@inria.fr>
2706 * tree-vrp.c (simplify_truth_ops_using_ranges): Set range
2707 information for new SSA_NAME.
2708 (simplify_conversion_using_ranges): Get range through get_range_info
2709 instead of get_value_range.
2711 2016-05-17 Jiong Wang <jiong.wang@arm.com>
2713 * config/aarch64/arm_neon.h (vmvn_s8): Reimplement using C operator.
2714 Remove inline assembly.
2715 (vmvn_s16): Likewise.
2716 (vmvn_s32): Likewise.
2717 (vmvn_u8): Likewise.
2718 (vmvn_u16): Likewise.
2719 (vmvn_u32): Likewise.
2720 (vmvnq_s8): Likewise.
2721 (vmvnq_s16): Likewise.
2722 (vmvnq_s32): Likewise.
2723 (vmvnq_u8): Likewise.
2724 (vmvnq_u16): Likewise.
2725 (vmvnq_u32): Likewise.
2726 (vmvn_p8): Likewise.
2727 (vmvnq_p16): Likewise.
2729 2016-05-17 Jiong Wang <jiong.wang@arm.com>
2731 * config/aarch64/aarch64-simd.md (vmul_n_f32): Remove inline assembly.
2733 (vmul_n_s16): Likewise.
2734 (vmul_n_s32): Likewise.
2735 (vmul_n_u16): Likewise.
2736 (vmul_n_u32): Likewise.
2737 (vmulq_n_f32): Likewise.
2738 (vmulq_n_f64): Likewise.
2739 (vmulq_n_s16): Likewise.
2740 (vmulq_n_s32): Likewise.
2741 (vmulq_n_u16): Likewise.
2742 (vmulq_n_u32): Likewise.
2744 2016-05-17 Jiong Wang <jiong.wang@arm.com>
2746 * config/aarch64/aarch64-simd.md (*aarch64_mul3_elt_to_128df): Extend
2747 to all supported modes. Rename to "*aarch64_mul3_elt_from_dup".
2749 2016-05-17 Jiong Wang <jiong.wang@arm.com>
2751 * config/aarch64/aarch64-simd.md (*aarch64_fma4_elt_to_128df): Rename
2752 to *aarch64_fma4_elt_from_dup<mode>.
2753 (*aarch64_fnma4_elt_to_128df): Rename to
2754 *aarch64_fnma4_elt_from_dup<mode>.
2755 * config/aarch64/arm_neon.h (vfma_n_f64): New.
2756 (vfms_n_f32): Likewise.
2757 (vfms_n_f64): Likewise.
2758 (vfmsq_n_f32): Likewise.
2759 (vfmsq_n_f64): Likewise.
2761 2016-05-17 Gerald Pfeifer <gerald@pfeifer.com>
2763 * wide-int.h: Change fixed_wide_int_storage from class to struct.
2765 2016-05-17 Richard Biener <rguenther@suse.de>
2767 PR tree-optimization/71132
2768 * tree-loop-distribution.c (create_rdg_cd_edges): Pass in loop.
2769 Only add control dependences for blocks in the loop.
2770 (build_rdg): Adjust.
2771 (generate_code_for_partition): Return whether loop should
2772 be destroyed and delay that.
2773 (distribute_loop): Likewise.
2774 (pass_loop_distribution::execute): Record loops to be destroyed
2775 and perform delayed destroying of loops.
2777 2016-05-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2780 * config/aarch64/aarch64-simd.md (aarch64_vmls<mode>): Delete.
2782 2016-05-17 James Greenhalgh <james.greenhalgh@arm.com>
2784 * config/aarch64/aarch64-elf.h (ASM_OUTPUT_DEF): Delete.
2786 2016-05-17 Ilya Enkovich <ilya.enkovich@intel.com>
2789 * config/i386/i386.c (dimode_scalar_chain::convert_op): Fix
2790 insertion point for instructions generated by validize_mem.
2792 2016-05-17 James Greenhalgh <james.greenhalgh@arm.com>
2794 * config/aarch64/aarch64.c (SHIFT_COUNT_TRUNCATED): Wrap definition
2797 2016-05-17 James Greenhalgh <james.greenhalgh@arm.com>
2799 * config/aarch64/aarch64.c
2800 (aarch64_output_simd_mov_immediate): Make "buf_size" a variable
2801 rather than a macro.
2803 2016-05-16 Wilco Dijkstra <wdijkstr@arm.com>
2805 * doc/invoke.texi (AArch64 Options): Various updates.
2807 2016-05-16 Jan Hubicka <hubicka@ucw.cz>
2809 * ipa-inline-analysis.c (compute_inline_parameters): Disable inlinig
2810 into instrumentation thunks.
2811 * cif-code.def (CIF_CHKP): New.
2813 2016-05-16 Uros Bizjak <ubizjak@gmail.com>
2815 * config/i386/xopintrin.h: Correct "unsinged" typo in the comments.
2817 2016-05-16 Martin Jambor <mjambor@suse.cz>
2819 * hsa-gen.c (fillup_for_decl): Increase alignment to natural one.
2820 (get_symbol_for_decl): Sorry if a global symbol in under-aligned.
2822 2016-05-16 Marek Polacek <polacek@redhat.com>
2824 * gimple.c (maybe_remove_unused_call_args): Fix typos in the
2827 2016-05-16 Martin Jambor <mjambor@suse.cz>
2830 * omp-low.c (grid_expand_target_grid_body): Copy RESULT_DECL of
2831 the outlined kernel function.
2833 2016-05-16 Robert Suchanek <robert.suchanek@imgtec.com>
2835 * config/mips/mips.h (ISA_HAS_LSA): Enable for -mmsa.
2836 (ISA_HAS_DLSA): Ditto.
2838 2016-05-16 Matthew Fortune <matthew.fortune@imgtec.com>
2840 * config/mips/m5100.md (m51_int_load): Update the latency to 2.
2842 2016-05-16 Nathan Sidwell <nathan@acm.org>
2844 * config/nvptx/nvptx.c (nvptx_mangle_decl_assembler_name): Revert.
2845 (nvptx_name_replacement): Restore. Add comment.
2846 (write_fn_proto, write_fn_proto_from_insn,
2847 nvptx_output_call_insn): Restore
2848 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Delete.
2850 2016-05-16 Wilco Dijkstra <wdijkstr@arm.com>
2852 * config/aarch64/aarch64.md
2853 (add<mode>3_compareC_cconly_imm): Remove use of %w.
2854 (add<mode>3_compareC_imm): Likewise.
2855 (<optab>si3_uxtw): Split into register and immediate variants.
2856 (andsi3_compare0_uxtw): Likewise.
2857 (and<mode>3_compare0): Likewise.
2858 (and<mode>3nr_compare0): Likewise.
2859 (stack_protect_test_<mode>): Don't use %x for memory operands.
2861 2016-05-16 Matthew Fortune <matthew.fortune@imgtec.com>
2863 * config/mips/mips-cpus.def (p5600): Add multi-line brackets.
2865 2016-05-16 Wilco Dijkstra <wdijkstr@arm.com>
2867 * config/aarch64/aarch64.md (aarch64_ashl_sisd_or_int_<mode>3):
2868 Split integer shifts into shift_reg and bfm.
2869 (aarch64_lshr_sisd_or_int_<mode>3): Likewise.
2870 (aarch64_ashr_sisd_or_int_<mode>3): Likewise.
2871 (ror<mode>3_insn): Likewise.
2872 (<optab>si3_insn_uxtw): Likewise.
2873 (<optab><mode>3_insn): Change to rotate_imm.
2874 (extr<mode>5_insn_alt): Likewise.
2875 (extrsi5_insn_uxtw): Likewise.
2876 (extrsi5_insn_uxtw_alt): Likewise.
2878 2016-05-16 Matthew Wahab <matthew.wahab@arm.com>
2880 * doc/tm.texi: Regenerate.
2881 * doc/tm.texi.in (TARGET_INVALID_PARAMETER_TYPE): Remove.
2882 (TARGET_INVALID_RETURN_TYPE): Remove.
2883 * system.h: Poison TARGET_INVALID_PARAMETER_TYPE and
2884 TARGET_INVALID_RETURN_TYPE.
2885 * target.def (invalid_parameter_type): Remove.
2886 (invalid_return_type): Remove.
2888 2016-05-16 Jan Hubicka <hubicka@ucw.cz>
2890 * ipa-inline-analysis.c (compute_inline_parameters): Be more reailistic
2891 on estimating thunk bodies; do not set inline_failed to CIF_THUNK for
2893 * ipa-inline-transform.c (inline_call): When inlining into thunk produce
2895 (preserve_function_body_p): No need to preserve function body
2896 * cif-codes.def (CIF_THUNK): Remove.
2897 * cgraphclones.c (duplicate_thunk_for_node): Thunks calls are inlinable.
2899 2016-05-16 Jan Hubicka <hubicka@ucw.cz>
2901 * tree-inline.c (expand_call_inline): recurse after inlining thunk.
2903 2016-05-16 Jan Hubicka <hubicka@ucw.cz>
2905 * tree.c (free_lang_data_in_decl): Also set target/optimization flags
2908 2016-05-16 Jan Hubicka <hubicka@ucw.cz>
2910 * ipa-inline.c (report_inline_failed_reason): Look into thunks, too
2911 (inline_small_functions): Do not look for function symbol when
2914 2016-05-16 Jan Hubicka <hubicka@ucw.cz>
2916 * lto-cgraph.c (compute_ltrans_boundary, output_symtab): Fix handling
2919 2016-05-16 Matthew Wahab <matthew.wahab@arm.com>
2920 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2921 Jiong Wang <jiong.wang@arm.com>
2923 * config/arm/arm-c.c (arm_cpu_builtins): Use def_or_undef_macro
2924 for __ARM_FP16_FORMAT_IEEE and __ARM_FP16_FORMAT_ALTERNATIVE.
2925 Define __ARM_FP16_ARGS when appropriate.
2926 * config/arm/arm.c (arm_invalid_parameter_type): Remove
2928 (arm_invalid_return_type): Likewise.
2929 (TARGET_INVALID_PARAMETER_TYPE): Remove.
2930 (TARGET_INVALID_RETURN_TYPE): Remove.
2931 (aapcs_vfp_sub_candidate): Allow HFmode.
2932 (aapcs_vfp_allocate): Add comment. Support HFmode.
2933 (aapcs_vfp_allocate_return_reg): Likewise.
2934 (struct aapcs_cp_arg_layout): Slightly reword comments for
2935 is_return_candidate and allocate_return_reg.
2936 (output_mov_vfp): Update assert.
2937 (arm_hard_regno_mode_ok): Remove comment, update HF-mode
2939 (arm_invalid_parameter_type): Remove.
2940 (amr_invalid_return_type): Remove.
2941 * config/arm/arm.h (TARGET_NEON_FP16): Fix definition.
2942 * config/arm/arm.md (*arm32_movhf): Disable for TARGET_VFP.
2943 * config/arm/vfp.md (*movhf_vfp): Enable for TARGET_VFP.
2945 2016-05-16 Matthew Wahab <matthew.wahab@arm.com>
2947 * config/aarch64/aarch64.h (LEGITIMIZE_RELOAD_ADDRESS): Remove.
2948 * config/aarch64/arch64-protos.h
2949 (aarch64_legitimize_reload_address): Remove.
2950 * config/aarch64/aarch64.c (aarch64_legitimize_reload_address):
2953 2016-05-16 Eric Botcazou <ebotcazou@adacore.com>
2955 * configure.ac: Add ACX_NONCANONICAL_HOST.
2956 * configure: Regenerate.
2957 * Makefile.in: Set host_noncanonical.
2959 2016-05-14 Uros Bizjak <ubizjak@gmail.com>
2962 * config/i386/i386.md (*movtf_internal): Before register allocation,
2963 do not allow FP constants for CM_MEDIUM memory model, allow only
2964 standard FP constants for CM_LARGE and CM_LARGE_PIC models.
2965 (*movxf_internal): Ditto.
2966 (*movdf_internal): Ditto.
2967 (*movsf_internal): Ditto.
2969 2016-05-13 Segher Boessenkool <segher@kernel.crashing.org>
2971 PR rtl-optimization/67483
2972 * combine.c (make_compound_operation): Don't call extract_left_shift
2973 with negative shift amounts.
2975 2016-05-13 Jakub Jelinek <jakub@redhat.com>
2978 * fold-const.c (fold_checksum_tree): Allow modification
2979 of TYPE_ALIAS_SET during folding.
2981 * config/i386/i386.c (ix86_compute_frame_layout, ix86_expand_prologue,
2982 ix86_expand_split_stack_prologue): Use HOST_WIDE_INT_C macro.
2983 (ix86_split_to_parts): Likewise. Fix up formatting.
2985 2016-05-13 H.J. Lu <hongjiu.lu@intel.com>
2987 * tree-ssa-loop-ivopts.c (create_new_ivs): Cast to
2988 unsigned HOST_WIDE_INT with HOST_WIDE_INT_PRINT_UNSIGNED in
2991 2016-05-13 Nathan Sidwell <nathan@acm.org>
2993 * config/nvptx/nvptx.c (nvptx_mangle_decl_assembler_name): New.
2994 (nvptx_name_replacement): Delete.
2995 (write_fn_proto, write_fn_proto_from_insn,
2996 nvptx_output_call_insn): Remove nvptx_name_replacement call.
2997 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Override.
2998 * langhooks.c (add_builtin_funcction_common): Call
2999 targetm.mangle_decl_assembler_name.
3001 * config/nvptx/nvptx.c (write_fn_proto): Handle
3002 BUILT_IN_ATOMIC_COMPARE_EXCHANGE_n oddity.
3004 2016-05-13 Martin Liska <mliska@suse.cz>
3006 * tree-ssa-loop-ivopts.c (create_new_ivs): Use HOST_WIDE_INT_PRINT_DEC
3007 and PRIu64 in printf format.
3009 2016-05-13 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3011 * tree-ssa-loop-ivanon.c (try_unroll_loop_completely): Typo fix in
3014 2016-05-13 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3016 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
3017 Change --param max-completely-peeled-times to
3018 --param max-completely-peel-times in dump file printing.
3020 2016-05-13 Richard Biener <rguenther@suse.de>
3022 PR tree-optimization/42587
3023 * tree-ssa-math-opts.c (perform_symbolic_merge): Handle BIT_FIELD_REF.
3024 (find_bswap_or_nop_1): Likewise.
3025 (bswap_replace): Likewise.
3027 2016-05-13 Martin Liska <mliska@suse.cz>
3029 * tree-vect-patterns.c (vect_recog_mask_conversion_pattern):
3030 Initialize a variable with default value.
3032 2016-05-13 Martin Liska <mliska@suse.cz>
3034 * doc/invoke.texi: Enhance explanation of error recovery
3037 2016-05-13 Martin Liska <mliska@suse.cz>
3039 * tree-ssa-loop-ivopts.c (avg_loop_niter): Fix coding style.
3040 (struct cost_pair): Change inv_expr_id (int) to inv_expr
3041 (iv_inv_expr_ent *).
3042 (struct iv_inv_expr_ent): Comment struct fields.
3043 (sort_iv_inv_expr_ent): New function.
3044 (struct ivopts_data): Rename inv_expr_id to max_inv_expr_id.
3045 (struct iv_ca): Replace used_inv_expr and num_used_inv_expr with
3046 a hash_map between iv_inv_expr_ent and number of usages.
3047 (niter_for_exit): Fix coding style.
3048 (tree_ssa_iv_optimize_init): Use renamed variable.
3049 (determine_base_object): Fix coding style.
3050 (alloc_iv): Likewise.
3051 (find_interesting_uses_outside): Likewise.
3052 (add_candidate_1): Likewise.
3053 (add_standard_iv_candidates): Likewise.
3054 (set_group_iv_cost): Replace inv_expr_id with inv_expr.
3055 (prepare_decl_rtl): Fix coding style.
3056 (get_address_cost): Likewise.
3057 (get_shiftadd_cost): Likewise.
3058 (force_expr_to_var_cost): Likewise.
3059 (compare_aff_trees): Likewise.
3060 (get_expr_id): Restructure the function.
3061 (get_loop_invariant_expr_id): Renamed to
3062 get_loop_invariant_expr.
3063 (get_computation_cost_at): Replace usage of inv_expr_id with
3065 (get_computation_cost): Likewise.
3066 (determine_group_iv_cost_generic): Likewise.
3067 (determine_group_iv_cost_address): Likewise.
3068 (iv_period): Fix coding style.
3069 (iv_elimination_compare_lt): Likewise.
3070 (may_eliminate_iv): Likewise.
3071 (determine_group_iv_cost_cond): Replace usage of inv_expr_id with
3073 (determine_group_iv_costs): Dump invariant expressions.
3074 (iv_ca_recount_cost): Use the newly added hash_map.
3075 (iv_ca_set_remove_invariants): Fix coding style.
3076 (iv_ca_set_add_invariants): Fix coding style.
3077 (iv_ca_set_no_cp): Utilize the newly added hash_map for used
3079 (iv_ca_set_cp): Likewise.
3080 (iv_ca_new): Initialize the newly added hash_map and remove
3081 initialization of fields.
3082 (iv_ca_free): Delete the hash_map.
3083 (iv_ca_dump): Dump invariant expressions.
3084 (iv_ca_extend): Fix coding style.
3085 (try_add_cand_for): Likewise.
3086 (create_new_ivs): Dump information about # of avg iterations and
3087 # of used invariant expressions.
3088 (rewrite_use_compare): Fix coding style.
3089 (free_loop_data): Set default value for max_inv_expr_id.
3091 2016-05-13 Ilya Enkovich <ilya.enkovich@intel.com>
3093 * cse.c (rest_of_handle_cse): Use cleanup_cfg
3094 returned value cse_cfg_altered computation.
3095 (rest_of_handle_cse2): Likewise.
3096 (rest_of_handle_cse_after_global_opts): Likewise.
3098 2016-05-13 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3101 * config/arm/arm.c (arm32_output_mi_thunk): New.
3102 (arm_output_mi_thunk): Rename to arm_thumb1_mi_thunk. Rework
3103 to split Thumb1 vs TARGET_32BIT functionality.
3104 (arm_thumb1_mi_thunk): New.
3106 2016-05-13 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3108 * config/aarch64/aarch64.c (TARGET_OMIT_STRUCT_RETURN_REG): Set
3111 2016-05-13 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3114 * config/i386/i386.c (ix86_in_large_data_p): Guard against NULL exp.
3116 2016-05-13 Eric Botcazou <ebotcazou@adacore.com>
3118 * builtins.c (expand_builtin_memcmp): Do not emit the call here.
3119 (expand_builtin_trap): Emit a regular call.
3120 (set_builtin_user_assembler_name): Remove obsolete cases.
3121 * dse.c (scan_insn): Adjust.
3122 * except.c: Include calls.h.
3123 (sjlj_emit_function_enter): If DONT_USE_BUILTIN_SETJMP is defined,
3124 emit a regular call to setjmp.
3125 * expr.c (emit_block_move_hints): Call emit_block_copy_via_libcall.
3126 (block_move_libcall_safe_for_call_parm): Use memcpy builtin.
3127 (emit_block_move_via_libcall): Delete.
3128 (block_move_fn): Delete.
3129 (init_block_move_fn): Likewise.
3130 (emit_block_move_libcall_fn): Likewise.
3131 (emit_block_op_via_libcall): New function.
3132 (set_storage_via_libcall): Tidy up and use memset builtin.
3133 (block_clear_fn): Delete.
3134 (init_block_clear_fn): Likewise.
3135 (clear_storage_libcall_fn): Likewise.
3136 (expand_assignment): Call emit_block_move_via_libcall.
3137 Do not include gt-expr.h.
3138 * expr.h (emit_block_op_via_libcall): Declare.
3139 (emit_block_copy_via_libcall): New inline function.
3140 (emit_block_move_via_libcall): Likewise.
3141 (emit_block_comp_via_libcall): Likewise.
3142 (block_clear_fn): Delete.
3143 (init_block_move_fn): Likewise.
3144 (init_block_clear_fn): Likewise.
3145 (emit_block_move_via_libcall): Likewise.
3146 (set_storage_via_libcall): Add default parameter value.
3147 * libfuncs.h (enum libfunc_index): Remove obsolete values.
3148 (abort_libfunc): Delete.
3149 (memcpy_libfunc): Likewise.
3150 (memmove_libfunc): Likewise.
3151 (memcmp_libfunc): Likewise.
3152 (memset_libfunc): Likewise.
3153 (setbits_libfunc): Likewise.
3154 (setjmp_libfunc): Likewise.
3155 (longjmp_libfunc): Likewise.
3156 (profile_function_entry_libfunc): Likewise.
3157 (profile_function_exit_libfunc): Likewise.
3158 (gcov_flush_libfunc): Likewise.
3159 * optabs-libfuncs.c (build_libfunc_function): Set DECL_ARTIFICIAL
3160 and DECL_VISIBILITY on the declaration.
3161 (init_optabs): Do not initialize obsolete libfuncs.
3162 * optabs.c (prepare_cmp_insn): Call emit_block_comp_via_libcall.
3163 * tree-core.h (ECF_RET1): Define.
3164 (ECF_TM_PURE): Adjust.
3165 (ECF_TM_BUILTIN): Likewise.
3166 * tree.c (set_call_expr_flags): Deal with ECF_RET1.
3167 (build_common_builtin_nodes): Initialize abort builtin.
3168 Add ECF_RET1 on memcpy, memmove and memset builtins.
3169 Pass final flags for alloca and alloca_with_align builtins.
3170 * config/alpha/alpha.c (alpha_init_libfuncs): Do not initialize
3172 * config/ia64/ia64.c (ia64_vms_init_libfuncs): Likewise.
3173 * config/i386/i386.c (ix86_expand_set_or_movmem): Adjust call to
3174 set_storage_via_libcall and call emit_block_copy_via_libcall.
3176 2016-05-12 Uros Bizjak <ubizjak@gmail.com>
3178 * config/i386/i386.md (*call_got_x32): Change operand 0 to
3179 DImode before it is passed to ix86_output_call_operand.
3180 (*call_value_got_x32): Ditto for operand 1.
3182 2016-05-12 Jiong Wang <jiong.wang@arm.com>
3184 PR rtl-optimization/70904
3185 * lra-constraint.c (process_addr_reg): Relax the restriction on subreg
3186 reload for wide mode.
3188 2016-05-12 Marek Polacek <polacek@redhat.com>
3191 * langhooks-def.h (lhd_incomplete_type_error): Adjust declaration.
3192 * langhooks.c (lhd_incomplete_type_error): Add location parameter.
3193 * langhooks.h (incomplete_type_error): Likewise.
3194 * tree.c (size_in_bytes_loc): Renamed from size_in_bytes. Add location
3195 parameter, pass it down to incomplete_type_error.
3196 * tree.h (size_in_bytes): New inline overload.
3197 (size_in_bytes_loc): Renamed from size_in_bytes.
3199 2016-05-12 Richard Biener <rguenther@suse.de>
3201 PR tree-optimization/71059
3202 * tree-ssa-pre.c (phi_translate_1): Fully fold translated
3203 nary before looking up or entering the expression into the VN
3205 * tree-ssa-sccvn.c (vn_nary_build_or_lookup): Fix comment typo.
3206 Make sure to re-use NARYs without result as inserted by
3209 2016-05-12 Richard Biener <rguenther@suse.de>
3211 PR tree-optimization/71062
3212 * tree-ssa-alias.h (struct pt_solution): Add vars_contains_restrict
3214 * tree-ssa-structalias.c (set_uids_in_ptset): Set
3215 vars_contains_restrict if the var is a restrict tag.
3216 * tree-ssa-alias.c (ptrs_compare_unequal): If vars_contains_restrict
3217 do not disambiguate pointers against it.
3218 (dump_points_to_solution): Re-structure and adjust for new
3219 vars_contains_restrict flag.
3220 * gimple-pretty-print.c (pp_points_to_solution): Likewise.
3222 2016-05-12 Martin Liska <mliska@suse.cz>
3224 * doc/invoke.texi: Explain connection between
3225 -fsanitize-recover=address and ASAN_OPTIONS="halt_on_error=1".
3227 2016-05-12 Ilya Enkovich <ilya.enkovich@intel.com>
3229 PR tree-optimization/71006
3230 * tree-vect-loop.c (vect_determine_vectorization_factor): Don't
3231 consider COND_EXPR as a mask producer.
3233 2016-05-12 Marek Polacek <polacek@redhat.com>
3236 * opts.c (common_handle_option): Detect missing argument for --help^.
3238 2016-05-12 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3241 * config/arm/arm.c (arm_output_multireg_pop): Avoid POP instruction
3242 when popping the PC and within an interrupt handler routine.
3243 Add missing tab to output of "ldmfd".
3244 (output_return_instruction): Output LDMFD with SP update rather
3245 than POP when returning from interrupt handler.
3247 2016-05-12 Jakub Jelinek <jakub@redhat.com>
3249 * config/i386/i386.md (isa): Add x64_avx512dq, enable if
3250 TARGET_64BIT && TARGET_AVX512DQ.
3251 * config/i386/sse.md (*vec_extract<mode>): Add avx512bw alternatives.
3252 (*vec_extract<PEXTR_MODE12:mode>_zext): Add avx512bw alternative.
3253 (*vec_extract<ssevecmodelower>_0, *vec_extractv4si_0_zext,
3254 *vec_extractv2di_0_sse): Use v constraint instead of x constraint.
3255 (*vec_extractv4si): Add avx512dq and avx512bw alternatives.
3256 (*vec_extractv4si_zext): Add avx512dq alternative.
3257 (*vec_extractv2di_1): Add x64_avx512dq and avx512bw alternatives,
3258 use v instead of x constraint in other alternatives where possible.
3260 * config/i386/sse.md (sse2_loadld): Use v instead of x
3261 constraint in alternatives 0,1,4.
3263 * config/i386/sse.md (pinsr_evex_isa): New mode attr.
3264 (<sse2p4_1>_pinsr<ssemodesuffix>): Add 2 alternatives with
3265 v constraints instead of x and <pinsr_evex_isa> isa attribute.
3268 * config/i386/sse.md (<sse2_avx2>_packssdw<mask_name>,
3269 <sse4_1_avx2>_packusdw<mask_name>): Make sure EVEX encoded insn
3270 is not emitted unless TARGET_AVX512BW.
3271 (<sse2_avx2>_packuswb<mask_name>, <sse2_avx2>_packsswb<mask_name>):
3272 Likewise. For TARGET_AVX512BW, use "=v" constraint instead of "=x"
3273 for the result operand.
3275 * config/i386/sse.md (*vec_setv4sf_sse4_1, sse4_1_insertps): Use v
3276 constraint instead of x in avx alternatives. Use maybe_evex instead
3279 * config/i386/constraints.md (Yv): New constraint.
3280 * config/i386/i386.h (VALID_AVX512VL_128_REG_MODE): Allow
3281 TFmode and V1TImode in xmm16+ registers for TARGET_AVX512VL.
3282 * config/i386/i386.md (avx512fvecmode): New mode attr.
3283 (*pushtf): Use v constraint instead of x.
3284 (*movtf_internal): Likewise. For TARGET_AVX512VL and
3285 xmm16+ registers, use vmovdqu64 or vmovdqa64 instructions.
3286 (*absneg<mode>2): Use Yv constraint instead of x constraint.
3287 (*absnegtf2_sse): Likewise.
3288 (copysign<mode>3_const, copysign<mode>3_var): Likewise.
3289 * config/i386/sse.md (*andnot<mode>3): Add avx512vl and
3290 avx512f alternatives.
3291 (*andnottf3, *<code><mode>3, *<code>tf3): Likewise.
3293 2016-05-12 Richard Biener <rguenther@suse.de>
3295 PR tree-optimization/71060
3296 * tree-data-ref.c (initialize_data_dependence_relation): Do not
3297 require exact match of DR_BASE_OBJECT but only matching address and
3300 2016-05-12 Richard Biener <rguenther@suse.de>
3302 PR tree-optimization/70986
3303 * cfganal.c: Include cfgloop.h.
3304 (dfs_find_deadend): Prefer to take edges exiting loops.
3306 2016-05-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3308 * gcc.target/powerpc/pr70963.c: Require at least power8 at both
3309 compile and run time.
3311 2016-05-11 Mikhail Maltsev <maltsevm@gmail.com>
3314 * doc/invoke.texi (Wduplicate-decl-specifier): Document new option.
3316 2016-05-11 Uros Bizjak <ubizjak@gmail.com>
3318 * config/i386/i386.c (legitimize_pic_address): Use
3319 copy_to_suggested_reg instead of gen_movsi.
3321 2016-05-11 Michael Meissner <meissner@linux.vnet.ibm.com>
3323 * config/rs6000/predicates.md (quad_memory_operand): Move most of
3324 the code into quad_address_p and call it to share code with
3325 vsx_quad_dform_memory_operand.
3326 (vsx_quad_dform_memory_operand): New predicate for ISA 3.0 vector
3328 * config/rs6000/rs6000.opt (-mlra): Switch to being an option mask
3329 bit instead of being a separate word. Split -mpower9-dform into
3330 two switches, -mpower9-dform-scalar and -mpower9-dform-vector.
3331 * config/rs6000/rs6000.c (RELOAD_REG_QUAD_OFFSET): New addr_mask
3332 for the register class supporting 128-bit quad word memory offsets.
3333 (mode_supports_vsx_dform_quad): Helper function to return if the
3334 register class uses quad word memory offsets.
3335 (rs6000_debug_addr_mask): Add support for quad word memory offsets.
3336 (rs6000_debug_reg_global): Always print if we are using LRA or not.
3337 (rs6000_setup_reg_addr_masks): If ISA 3.0 vector d-form
3338 instructions are enabled, set up the appropriate addr_masks for
3340 (rs6000_init_hard_regno_mode_ok): wb constraint is now based on
3341 -mpower9-dform-scalar, instead of -mpower9-dform.
3342 (rs6000_option_override_internal): Split -mpower9-dform into two
3343 switches, -mpower9-dform-scalar and -mpower9-dform-vector. The
3344 -mpower9-dform switch sets or clears both. If we are not using
3345 the LRA register allocator, do not enable -mpower9-dform-vector by
3346 default. If we are using LRA, enable -mpower9-dform-vector and
3347 -mvsx-timode if it is appropriate. Issue a warning if either
3348 -mpower9-dform-vector or -mvsx-timode are explicitly used without
3350 (quad_address_offset_p): New helper function to return if the
3351 offset is legal for quad word memory instructions.
3352 (quad_address_p): New function to determin if GPR or vector
3353 register quad word memory addresses are legal.
3354 (mem_operand_gpr): Validate quad word address offsets.
3355 (reg_offset_addressing_ok_p): Add support for ISA 3.0 vector
3356 d-form (register + offset) instructions.
3357 (offsettable_ok_by_alignment): Likewise.
3358 (rs6000_legitimate_offset_address_p): Likewise.
3359 (legitimate_lo_sum_address_p): Likewise.
3360 (rs6000_legitimize_address): Likewise.
3361 (rs6000_legitimize_reload_address): Add more debug statements for
3363 (rs6000_legitimate_address_p): Add support for ISA 3.0 vector
3364 d-form instructions.
3365 (rs6000_secondary_reload_memory): Add support for ISA 3.0 vector
3366 d-form instructions. Distinguish different cases in debug
3367 output. (rs6000_secondary_reload_inner): Add support for ISA 3.0 vector
3368 d-form instructions.
3369 (rs6000_preferred_reload_class): Likewise.
3370 (rs6000_output_move_128bit): Add support for ISA 3.0 d-form
3371 instructions. If ISA 3.0 is available, generate lxvx/stxvx instead
3372 of the ISA 2.06 indexed memory instructions.
3373 (rs6000_emit_prologue): If we have ISA 3.0 d-form instructions,
3374 use them to save/restore the saved vector registers instead of
3375 using Altivec instructions.
3376 (rs6000_emit_epilogue): Likewise.
3377 (rs6000_lra_p): Use TARGET_LRA instead of the old option word.
3378 (rs6000_opt_masks): Split -mpower9-dform into
3379 -mpower9-dform-scalar and -mpower9-dform-vector.
3380 (rs6000_print_options_internal): Print -mno-<switch> if <switch>
3382 * config/rs6000/vsx.md (p9_vecload_<mode>): Delete hack to emit
3383 ISA 3.0 vector indexed memory instructions, and fold the code into
3384 the normal mov<mode> patterns.
3385 (p9_vecstore_<mode>): Likewise.
3386 (vsx_mov<mode>): Add support for ISA 3.0 vector d-form
3388 (vsx_movti_64bit): Likewise.
3389 (vsx_movti_32bit): Likewise.
3390 * config/rs6000/constraints.md (wO constraint): New constraint for
3391 ISA 3.0 vector d-form support.
3392 * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Use
3393 -mpower9-dform-scalar instead of -mpower9-dform. Add note not to
3394 include -mpower9-dform-vector until we switch over to LRA.
3395 (POWERPC_MASKS): Add -mlra. Split -mpower9-dform into two.
3396 switches, -mpower9-dform-scalar and -mpower9-dform-vector.
3397 * config/rs6000/rs6000-protos.h (quad_address_p): Add declaration.
3398 * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
3399 for -mpower9-dform and -mlra.
3400 * doc/md.texi (wO constraint): Document wO constraint.
3402 2016-05-11 Alexander Monakov <amonakov@ispras.ru>
3404 * genattr.c (main): Change 'rtx' to 'rtx_insn *' in prototypes of
3405 'insn_latency', 'maximal_insn_latency', 'min_insn_conflict_delay'.
3406 * genautomata.c (output_internal_insn_code_evaluation): Simplify.
3407 Move handling of non-insn arguments inline into the sole user:
3408 (output_trans_func): ...here.
3409 (output_min_insn_conflict_delay_func): Change 'rtx' to 'rtx_insn *'
3410 in emitted function prototype.
3411 (output_internal_insn_latency_func): Ditto. Simplify.
3412 (output_internal_maximal_insn_latency_func): Ditto. Delete
3413 always-unused argument.
3414 (output_insn_latency_func): Ditto.
3415 (output_maximal_insn_latency_func): Ditto.
3417 2016-05-11 Richard Biener <rguenther@suse.de>
3419 PR tree-optimization/71055
3420 * tree-ssa-sccvn.c (vn_reference_lookup_3): When native-interpreting
3421 sth with precision not equal to access size verify we don't chop
3424 2016-05-11 Richard Biener <rguenther@suse.de>
3427 * dwarf2out.c (retry_incomplete_types): Set early_dwarf.
3428 (dwarf2out_finish): Move retry_incomplete_types call ...
3429 (dwarf2out_early_finish): ... here.
3431 2016-05-11 Richard Biener <rguenther@suse.de>
3434 * alias.c (reference_alias_ptr_type): Preserve alias-set zero
3435 if the langhook insists on it.
3436 * fold-const.c (make_bit_field_ref): Add arg for the original
3437 reference and preserve its alias-set.
3438 (decode_field_reference): Take exp by reference and adjust it
3439 to the original memory reference.
3440 (optimize_bit_field_compare): Adjust callers.
3441 (fold_truth_andor_1): Likewise.
3442 * gimplify.c (gimplify_expr): Adjust in-SSA form test.
3444 2016-05-11 Ilya Enkovich <ilya.enkovich@intel.com>
3447 * cfgrtl.h (delete_insn_and_edges): Now return bool.
3448 * cfgrtl.c (delete_insn_and_edges): Likewise.
3449 * config/i386/i386.c (convert_scalars_to_vector): Remove
3451 * cse.c (cse_insn): Compute cse_cfg_altered.
3452 (delete_trivially_dead_insns): Likewise.
3453 (cse_cc_succs): Likewise.
3454 (rest_of_handle_cse): Free dominance info if required.
3455 (rest_of_handle_cse2): Likewise.
3456 (rest_of_handle_cse_after_global_opts): Likewise.
3458 2016-05-11 Alan Modra <amodra@gmail.com>
3460 * config/rs6000/rs6000.c (is_complex_IBM_long_double,
3461 abi_v4_pass_in_fpr): New functions.
3462 (rs6000_function_arg_boundary): Exclude complex IBM long double
3463 from 64-bit alignment when ABI_V4.
3464 (rs6000_function_arg, rs6000_function_arg_advance_1,
3465 rs6000_gimplify_va_arg): Use abi_v4_pass_in_fpr.
3467 2016-05-10 Segher Boessenkool <segher@kernel.crashing.org>
3469 PR rtl-optimization/71028
3470 * cfgcleanup.c (try_optimize_cfg): Do not flip a conditional
3471 jump with just a return in the fallthrough block if the branch
3472 block contains just a return as well.
3474 2016-05-10 Marc Glisse <marc.glisse@inria.fr>
3476 * fold-const.c (fold_binary_loc) [(X ^ Y) & Y]: Remove and merge with...
3477 * match.pd ((X & Y) ^ Y): ... this.
3478 ((X & Y) & Y, (X | Y) | Y, (X ^ Y) ^ Y, (X & Y) & (X & Z), (X | Y)
3479 | (X | Z), (X ^ Y) ^ (X ^ Z)): New transformations.
3481 2016-05-10 David Malcolm <dmalcolm@redhat.com>
3483 * read-md.c (require_char_ws): New function.
3484 (read_string): Simplify using require_char_ws.
3485 (handle_constants): Likewise.
3486 (handle_enum): Likewise.
3487 (handle_file): Likewise.
3488 * read-md.h (require_char_ws): New declaration.
3489 * read-rtl.c (read_conditions): Simplify using require_char_ws.
3490 (read_mapping): Likewise.
3491 (read_rtx_code): Likewise.
3492 (read_nested_rtx): Likewise.
3494 2016-05-10 James Norris <jnorris@codesourcery.com>
3496 * config/rs6000/sysv4.h (CRTOFFLOADBEGIN): Define. Add crtoffloadbegin.o
3497 if offloading is enabled and -fopenacc or -fopenmp is specified.
3498 (CRTOFFLOADEND): Likewise.
3499 (STARTFILE_LINUX_SPEC): Add CRTOFFLOADBEGIN.
3500 (ENDFILE_LINUX_SPEC): Add CRTOFFLOADEND.
3502 2016-05-10 Uros Bizjak <ubizjak@gmail.com>
3504 * config/i386/i386.c (legitimize_pic_address): Merge 64-bit and 32-bit
3505 gotoff_operand code paths. Use copy_to_suggested_regs and
3506 expand_simple_binop where appropriate. Cleanup.
3508 2016-05-10 Ilya Enkovich <ilya.enkovich@intel.com>
3511 * config/i386/i386.c (dimode_scalar_to_vector_candidate_p): Allow
3513 (dimode_scalar_chain::vector_const_cost): New.
3514 (dimode_scalar_chain::compute_convert_gain): Handle constants.
3515 (dimode_scalar_chain::convert_op): Likewise.
3516 (dimode_scalar_chain::convert_insn): Likewise.
3518 2016-05-10 Pierre-Marie de Rodat <derodat@adacore.com>
3520 * dwarf2out.c (resolve_args_picking_1): Consider DW_OP_neg as an
3521 unary operation, not a binary one.
3523 2016-05-10 Ilya Enkovich <ilya.enkovich@intel.com>
3526 * tree-chkp.c (chkp_add_bounds_to_call_stmt): Handle
3527 calls with type casted fndecl.
3529 2016-05-10 Ilya Enkovich <ilya.enkovich@intel.com>
3531 PR tree-optimization/70786
3532 * tree-chkp.c (chkp_find_bounds_1): Support WITH_SIZE_EXPR.
3533 * calls.c (initialize_argument_information): Bind bounds
3534 with corresponding args passed by reference.
3536 2016-05-10 Jakub Jelinek <jakub@redhat.com>
3539 * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>),
3540 *<code><mode>3<mask_name>): For !TARGET_AVX512DQ and EVEX encoding,
3541 use vp*[dq] instead of v*p[sd] instructions and adjust mode attribute
3544 2016-05-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3547 * config/rs6000/vsx.md (vsx_xvcvdpsxds_scale): Generate correct
3548 code for a zero scale factor.
3549 (vsx_xvcvdpuxds_scale): Likewise.
3551 2016-05-10 David Malcolm <dmalcolm@redhat.com>
3553 * diagnostic-show-locus.c (layout::layout): Call show_ruler
3554 if show_ruler_p was set on the context.
3555 (layout::show_ruler): New method.
3556 * diagnostic.h (struct diagnostic_context): Add field
3559 2016-05-10 Richard Biener <rguenther@suse.de>
3561 PR tree-optimization/71039
3562 * tree-ssa-phiprop.c: Include tree-ssa-loop.h.
3563 (chk_uses): New function.
3564 (propagate_with_phi): Verify we can safely replicate the lhs of an
3565 aggregate assignment on all incoming edges.
3567 2016-05-10 Oleg Endo <olegendo@gcc.gnu.org>
3569 * config/rx/rx-protos.h (is_interrupt_func, is_fast_interrupt_func):
3571 (rx_atomic_sequence): New class.
3572 * config/rx/rx.c (rx_print_operand): Use symbolic names for PSW bits.
3573 (is_interrupt_func, is_fast_interrupt_func): Make non-static and
3575 (rx_atomic_sequence::rx_atomic_sequence,
3576 rx_atomic_sequence::~rx_atomic_sequence): New functions.
3577 * config/rx/rx.md (CTRLREG_PSW, CTRLREG_USP, CTRLREG_FPSW, CTRLREG_CPEN,
3578 CTRLREG_BPSW, CTRLREG_BPC, CTRLREG_ISP, CTRLREG_FINTV,
3579 CTRLREG_INTB): New constants.
3580 (FETCHOP): New code iterator.
3581 (fethcop_name, fetchop_name2): New iterator code attributes.
3582 (QIHI): New mode iterator.
3583 (atomic_exchange<mode>, atomic_exchangesi, xchg_mem<mode>,
3584 atomic_fetch_<fetchop_name>si, atomic_fetch_nandsi,
3585 atomic_<fetchop_name>_fetchsi, atomic_nand_fetchsi): New patterns.
3587 2016-05-10 Martin Liska <mliska@suse.cz>
3589 * tree-inline.c (remap_dependence_clique): Do not remap
3590 debugging statements.
3592 2016-05-10 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
3594 * config/s390/s390.md ("*vec_cmp<insn_cmp>df_cconly")
3595 ("*fixuns_truncdfdi2_z13")
3596 ("*fixuns_trunc<FP:mode><GPR:mode>2_z196")
3597 ("*fix_truncdfdi2_bfp_z13", "*floatunsdidf2_z13")
3598 ("*extendsfdf2_z13"): Replace TARGET_Z13 with TARGET_VX.
3600 2016-05-10 Richard Biener <rguenther@suse.de>
3602 PR tree-optimization/70497
3603 PR tree-optimization/28367
3604 * tree-ssa-sccvn.c (vn_nary_build_or_lookup): New function
3606 (visit_reference_op_load): ... here.
3607 (vn_reference_lookup_3): Use it to handle subreg-like accesses
3608 with simplified BIT_FIELD_REFs.
3609 * tree-ssa-pre.c (eliminate_insert): Handle inserting BIT_FIELD_REFs.
3610 * tree-complex.c (extract_component): Handle BIT_FIELD_REFs
3613 2016-05-10 Pierre-Marie de Rodat <derodat@adacore.com>
3615 * dwarf2out.c (add_abstract_origin_attribute): Adjust
3616 documentation comment. For BLOCK nodes, add a
3617 DW_AT_abstract_origin attribute that points to the DIE generated
3618 for the origin BLOCK.
3619 (gen_lexical_block_die): Call add_abstract_origin_attribute for
3620 blocks from inlined functions.
3622 2016-05-10 Alan Modra <amodra@gmail.com>
3625 * config/rs6000/rs6000.c (rs6000_expand_split_stack_prologue): Stop
3626 regrename modifying insns saving lr before __morestack call.
3627 * config/rs6000/rs6000.md (split_stack_return): Similarly for
3628 insns restoring lr after __morestack call.
3630 2016-05-09 Jakub Jelinek <jakub@redhat.com>
3632 * config/i386/i386.md (set_got, set_got_labelled, lwp_llwpcb,
3633 lwp_lwpval<mode>3, lwp_lwpins<mode>3): Remove constraints from
3635 * config/i386/sse.md (vec_interleave_high<mode>,
3636 vec_interleave_low<mode>, <avx512>_vpermi2var<mode>3_maskz,
3637 <avx512>_vpermt2var<mode>3_maskz): Likewise.
3639 2016-05-04 Aaron Sawdey <acsawdey@linux.vnet.ibm.com>
3641 * config/rs6000/rs6000.c (rs6000_reassociation_width): Add
3642 function for TARGET_SCHED_REASSOCIATION_WIDTH to enable
3643 parallel reassociation for power8 and forward.
3645 2016-05-09 Uros Bizjak <ubizjak@gmail.com>
3647 * config/i386/i386.md (absneg splitters with general regs): Use
3648 general_reg_operand predicate.
3649 (btsq peephole2): Use x86_64_immediate_operand to check if new
3650 value is suitable for immediate operand. Generate emitted insn
3651 using RTL expressions.
3652 (btcq peephole2): Ditto.
3653 (btrq peephole2): Ditto. Generate correct immediate operand
3656 2016-05-09 Richard Sandiford <richard.sandiford@arm.com>
3658 * cfgexpand.c (expand_debug_expr): Fix address offset for negative
3661 2016-05-09 Richard Sandiford <richard.sandiford@arm.com>
3663 * tree-affine.c (wide_int_constant_multiple_p): Add missing
3664 pointer dereference.
3666 2016-05-09 Richard Biener <rguenther@suse.de>
3668 PR tree-optimization/70985
3669 * match.pd (BIT_FIELD_REF -> (type)): Disable on GIMPLE when
3670 op0 isn't a gimple register.
3672 2016-05-09 Prachi Godbole <prachi.godbole@imgtec.com>
3674 * config/mips/i6400.md (i6400_fpu_intadd, i6400_fpu_logic)
3675 (i6400_fpu_div, i6400_fpu_cmp, i6400_fpu_float, i6400_fpu_store)
3676 (i6400_fpu_long_pipe, i6400_fpu_logic_l, i6400_fpu_float_l)
3677 (i6400_fpu_mult): New cpu units.
3678 (i6400_msa_add_d, i6400_msa_int_add, i6400_msa_short_logic3)
3679 (i6400_msa_short_logic2, i6400_msa_short_logic, i6400_msa_move)
3680 (i6400_msa_cmp, i6400_msa_short_float2, i6400_msa_div_d)
3681 (i6400_msa_div_w, i6400_msa_div_h, i6400_msa_div_b)
3682 (i6400_msa_copy, i6400_msa_branch, i6400_fpu_msa_store)
3683 (i6400_fpu_msa_load, i6400_fpu_msa_move, i6400_msa_long_logic1)
3684 (i6400_msa_long_logic2, i6400_msa_mult, i6400_msa_long_float2)
3685 (i6400_msa_long_float4, i6400_msa_long_float5)
3686 (i6400_msa_long_float8, i6400_msa_fdiv_df)
3687 (i6400_msa_fdiv_sf): New reservations.
3688 * config/mips/p5600.md (p5600_fpu_intadd, p5600_fpu_cmp)
3689 (p5600_fpu_float, p5600_fpu_logic_a, p5600_fpu_logic_b)
3690 (p5600_fpu_div, p5600_fpu_logic, p5600_fpu_float_a)
3691 (p5600_fpu_float_b, p5600_fpu_float_c, p5600_fpu_float_d)
3692 (p5600_fpu_mult, p5600_fpu_fdiv, p5600_fpu_load): New cpu units.
3693 (msa_short_int_add, msa_short_logic, msa_short_logic_move_v)
3694 (msa_short_cmp, msa_short_float2, msa_short_logic3)
3695 (msa_short_store4, msa_long_load, msa_short_store)
3696 (msa_long_logic, msa_long_float2, msa_long_float4)
3697 (msa_long_float5, msa_long_float8, msa_long_mult)
3698 (msa_long_fdiv, msa_long_div): New reservations.
3700 2016-05-09 Robert Suchanek <robert.suchanek@imgtec.com>
3701 Sameera Deshpande <sameera.deshpande@imgtec.com>
3702 Matthew Fortune <matthew.fortune@imgtec.com>
3703 Graham Stott <graham.stott@imgtec.com>
3704 Chao-ying Fu <chao-ying.fu@imgtec.com>
3706 * config.gcc: Add MSA header file for mips*-*-* target.
3707 * config/mips/constraints.md (YI, YC, YZ, Unv5, Uuv5, Usv5, Uuv6)
3708 (Ubv8i, Urv8): New constraints.
3709 * config/mips/mips-ftypes.def: Add function types for MSA
3711 * config/mips/mips-modes.def (V16QI, V8HI, V4SI, V2DI, V4SF)
3712 (V2DF, V32QI, V16HI, V8SI, V4DI, V8SF, V4DF): New modes.
3713 * config/mips/mips-msa.md: New file.
3714 * config/mips/mips-protos.h
3715 (mips_split_128bit_const_insns): New prototype.
3716 (mips_msa_idiv_insns): Likewise.
3717 (mips_split_128bit_move): Likewise.
3718 (mips_split_128bit_move_p): Likewise.
3719 (mips_split_msa_copy_d): Likewise.
3720 (mips_split_msa_insert_d): Likewise.
3721 (mips_split_msa_fill_d): Likewise.
3722 (mips_expand_msa_branch): Likewise.
3723 (mips_const_vector_same_val_p): Likewise.
3724 (mips_const_vector_same_bytes_p): Likewise.
3725 (mips_const_vector_same_int_p): Likewise.
3726 (mips_const_vector_shuffle_set_p): Likewise.
3727 (mips_const_vector_bitimm_set_p): Likewise.
3728 (mips_const_vector_bitimm_clr_p): Likewise.
3729 (mips_msa_vec_parallel_const_half): Likewise.
3730 (mips_msa_output_division): Likewise.
3731 (mips_ldst_scaled_shift): Likewise.
3732 (mips_expand_vec_cond_expr): Likewise.
3733 * config/mips/mips.c (enum mips_builtin_type): Add
3734 MIPS_BUILTIN_MSA_TEST_BRANCH.
3735 (mips_gen_const_int_vector_shuffle): New prototype.
3736 (mips_const_vector_bitimm_set_p): New function.
3737 (mips_const_vector_bitimm_clr_p): Likewise.
3738 (mips_const_vector_same_val_p): Likewise.
3739 (mips_const_vector_same_bytes_p): Likewise.
3740 (mips_const_vector_same_int_p): Likewise.
3741 (mips_const_vector_shuffle_set_p): Likewise.
3742 (mips_symbol_insns): Forbid loading symbols via immediate for
3744 (mips_valid_offset_p): Limit offset to 10-bit for MSA loads and
3746 (mips_valid_lo_sum_p): Forbid loadings symbols via %lo(base) for
3748 (mips_lx_address_p): Add support load indexed address for MSA.
3749 (mips_address_insns): Add calculation of instructions needed for
3750 stores and loads for MSA.
3751 (mips_const_insns): Move CONST_DOUBLE below CONST_VECTOR. Handle
3752 CONST_VECTOR for MSA and let it fall through.
3753 (mips_ldst_scaled_shift): New function.
3754 (mips_subword_at_byte): Likewise.
3755 (mips_msa_idiv_insns): Likewise.
3756 (mips_legitimize_move): Validate MSA moves.
3757 (mips_rtx_costs): Add UNGE, UNGT, UNLE, UNLT cases. Add
3758 calculation of costs for MSA division.
3759 (mips_split_move_p): Check if MSA moves need splitting.
3760 (mips_split_move): Split MSA moves if necessary.
3761 (mips_split_128bit_move_p): New function.
3762 (mips_split_128bit_move): Likewise.
3763 (mips_split_msa_copy_d): Likewise.
3764 (mips_split_msa_insert_d): Likewise.
3765 (mips_split_msa_fill_d): Likewise.
3766 (mips_output_move): Handle MSA moves.
3767 (mips_expand_msa_branch): New function.
3768 (mips_print_operand): Add 'E', 'B', 'w', 'v' and 'V' modifiers.
3769 Reinstate 'y' modifier.
3770 (mips_file_start): Add MSA .gnu_attribute.
3771 (mips_hard_regno_mode_ok_p): Allow TImode and 128-bit vectors in
3773 (mips_hard_regno_nregs): Always return 1 for MSA supported mode.
3774 (mips_class_max_nregs): Add register size for MSA supported mode.
3775 (mips_cannot_change_mode_class): Allow conversion between MSA
3776 vector modes and TImode.
3777 (mips_mode_ok_for_mov_fmt_p): Allow MSA to use move.v
3779 (mips_secondary_reload_class): Force MSA loads/stores via memory.
3780 (mips_preferred_simd_mode): Add preffered modes for MSA.
3781 (mips_vector_mode_supported_p): Add MSA supported modes.
3782 (mips_autovectorize_vector_sizes): New function.
3783 (mips_msa_output_division): Likewise.
3784 (MSA_BUILTIN, MIPS_BUILTIN_DIRECT_NO_TARGET)
3785 (MSA_NO_TARGET_BUILTIN, MSA_BUILTIN_TEST_BRANCH): New macros.
3786 (CODE_FOR_msa_adds_s_b, CODE_FOR_msa_adds_s_h)
3787 (CODE_FOR_msa_adds_s_w, CODE_FOR_msa_adds_s_d)
3788 (CODE_FOR_msa_adds_u_b, CODE_FOR_msa_adds_u_h)
3789 (CODE_FOR_msa_adds_u_w, CODE_FOR_msa_adds_u_du
3790 (CODE_FOR_msa_addv_b, CODE_FOR_msa_addv_h, CODE_FOR_msa_addv_w)
3791 (CODE_FOR_msa_addv_d, CODE_FOR_msa_and_v, CODE_FOR_msa_bmnz_v)
3792 (CODE_FOR_msa_bmnzi_b, CODE_FOR_msa_bmz_v, CODE_FOR_msa_bmzi_b)
3793 (CODE_FOR_msa_bnz_v, CODE_FOR_msa_bz_v, CODE_FOR_msa_bsel_v)
3794 (CODE_FOR_msa_bseli_b, CODE_FOR_msa_ceqi_h, CODE_FOR_msa_ceqi_w)
3795 (CODE_FOR_msa_ceqi_d, CODE_FOR_msa_clti_s_b)
3796 (CODE_FOR_msa_clti_s_h, CODE_FOR_msa_clti_s_w)
3797 (CODE_FOR_msa_clti_s_d, CODE_FOR_msa_clti_u_b)
3798 (CODE_FOR_msa_clti_u_h, CODE_FOR_msa_clti_u_w)
3799 (CODE_FOR_msa_clti_u_d, CODE_FOR_msa_clei_s_b)
3800 (CODE_FOR_msa_clei_s_h, CODE_FOR_msa_clei_s_w)
3801 (CODE_FOR_msa_clei_s_d, CODE_FOR_msa_clei_u_b)
3802 (CODE_FOR_msa_clei_u_h, CODE_FOR_msa_clei_u_w)
3803 (CODE_FOR_msa_clei_u_d, CODE_FOR_msa_div_s_b)
3804 (CODE_FOR_msa_div_s_h, CODE_FOR_msa_div_s_w)
3805 (CODE_FOR_msa_div_s_d, CODE_FOR_msa_div_u_b)
3806 (CODE_FOR_msa_div_u_h, CODE_FOR_msa_div_u_w)
3807 (CODE_FOR_msa_div_u_d, CODE_FOR_msa_fadd_w, CODE_FOR_msa_fadd_d)
3808 (CODE_FOR_msa_fexdo_w, CODE_FOR_msa_ftrunc_s_w)
3809 (CODE_FOR_msa_ftrunc_s_d, CODE_FOR_msa_ftrunc_u_w)
3810 (CODE_FOR_msa_ftrunc_u_d, CODE_FOR_msa_ffint_s_w)
3811 (CODE_FOR_msa_ffint_s_d, CODE_FOR_msa_ffint_u_w)
3812 (CODE_FOR_msa_ffint_u_d, CODE_FOR_msa_fsub_w)
3813 (CODE_FOR_msa_fsub_d, CODE_FOR_msa_fmsub_d, CODE_FOR_msa_fmadd_w)
3814 (CODE_FOR_msa_fmadd_d, CODE_FOR_msa_fmsub_w, CODE_FOR_msa_fmul_w)
3815 (CODE_FOR_msa_fmul_d, CODE_FOR_msa_fdiv_w, CODE_FOR_msa_fdiv_d)
3816 (CODE_FOR_msa_fmax_w, CODE_FOR_msa_fmax_d, CODE_FOR_msa_fmax_a_w)
3817 (CODE_FOR_msa_fmax_a_d, CODE_FOR_msa_fmin_w, CODE_FOR_msa_fmin_d)
3818 (CODE_FOR_msa_fmin_a_w, CODE_FOR_msa_fmin_a_d)
3819 (CODE_FOR_msa_fsqrt_w, CODE_FOR_msa_fsqrt_d)
3820 (CODE_FOR_msa_max_s_b, CODE_FOR_msa_max_s_h)
3821 (CODE_FOR_msa_max_s_w, CODE_FOR_msa_max_s_d)
3822 (CODE_FOR_msa_max_u_b, CODE_FOR_msa_max_u_h)
3823 (CODE_FOR_msa_max_u_w, CODE_FOR_msa_max_u_d)
3824 (CODE_FOR_msa_min_s_b, CODE_FOR_msa_min_s_h)
3825 (CODE_FOR_msa_min_s_w, CODE_FOR_msa_min_s_d)
3826 (CODE_FOR_msa_min_u_b, CODE_FOR_msa_min_u_h)
3827 (CODE_FOR_msa_min_u_w, CODE_FOR_msa_min_u_d)
3828 (CODE_FOR_msa_mod_s_b, CODE_FOR_msa_mod_s_h)
3829 (CODE_FOR_msa_mod_s_w, CODE_FOR_msa_mod_s_d)
3830 (CODE_FOR_msa_mod_u_b, CODE_FOR_msa_mod_u_h)
3831 (CODE_FOR_msa_mod_u_w, CODE_FOR_msa_mod_u_d)
3832 (CODE_FOR_msa_mod_s_b, CODE_FOR_msa_mod_s_h)
3833 (CODE_FOR_msa_mod_s_w, CODE_FOR_msa_mod_s_d)
3834 (CODE_FOR_msa_mod_u_b, CODE_FOR_msa_mod_u_h)
3835 (CODE_FOR_msa_mod_u_w, CODE_FOR_msa_mod_u_d)
3836 (CODE_FOR_msa_mulv_b, CODE_FOR_msa_mulv_h, CODE_FOR_msa_mulv_w)
3837 (CODE_FOR_msa_mulv_d, CODE_FOR_msa_nlzc_b, CODE_FOR_msa_nlzc_h)
3838 (CODE_FOR_msa_nlzc_w, CODE_FOR_msa_nlzc_d, CODE_FOR_msa_nor_v)
3839 (CODE_FOR_msa_or_v, CODE_FOR_msa_ori_b, CODE_FOR_msa_nori_b)
3840 (CODE_FOR_msa_pcnt_b, CODE_FOR_msa_pcnt_h, CODE_FOR_msa_pcnt_w)
3841 (CODE_FOR_msa_pcnt_d, CODE_FOR_msa_xor_v, CODE_FOR_msa_xori_b)
3842 (CODE_FOR_msa_sll_b, CODE_FOR_msa_sll_h, CODE_FOR_msa_sll_w)
3843 (CODE_FOR_msa_sll_d, CODE_FOR_msa_slli_b, CODE_FOR_msa_slli_h)
3844 (CODE_FOR_msa_slli_w, CODE_FOR_msa_slli_d, CODE_FOR_msa_sra_b)
3845 (CODE_FOR_msa_sra_h, CODE_FOR_msa_sra_w, CODE_FOR_msa_sra_d)
3846 (CODE_FOR_msa_srai_b, CODE_FOR_msa_srai_h, CODE_FOR_msa_srai_w)
3847 (CODE_FOR_msa_srai_d, CODE_FOR_msa_srl_b, CODE_FOR_msa_srl_h)
3848 (CODE_FOR_msa_srl_w, CODE_FOR_msa_srl_d, CODE_FOR_msa_srli_b)
3849 (CODE_FOR_msa_srli_h, CODE_FOR_msa_srli_w, CODE_FOR_msa_srli_d)
3850 (CODE_FOR_msa_subv_b, CODE_FOR_msa_subv_h, CODE_FOR_msa_subv_w)
3851 (CODE_FOR_msa_subv_d, CODE_FOR_msa_subvi_b, CODE_FOR_msa_subvi_h)
3852 (CODE_FOR_msa_subvi_w, CODE_FOR_msa_subvi_d, CODE_FOR_msa_move_v)
3853 (CODE_FOR_msa_vshf_b, CODE_FOR_msa_vshf_h, CODE_FOR_msa_vshf_w)
3854 (CODE_FOR_msa_vshf_d, CODE_FOR_msa_ilvod_d, CODE_FOR_msa_ilvev_d)
3855 (CODE_FOR_msa_pckod_d, CODE_FOR_msa_pckdev_d, CODE_FOR_msa_ldi_b)
3856 (CODE_FOR_msa_ldi_hi, CODE_FOR_msa_ldi_w)
3857 (CODE_FOR_msa_ldi_d): New code_aliasing macros.
3858 (mips_builtins): Add MSA sll_b, sll_h, sll_w, sll_d, slli_b,
3859 slli_h, slli_w, slli_d, sra_b, sra_h, sra_w, sra_d, srai_b,
3860 srai_h, srai_w, srai_d, srar_b, srar_h, srar_w, srar_d, srari_b,
3861 srari_h, srari_w, srari_d, srl_b, srl_h, srl_w, srl_d, srli_b,
3862 srli_h, srli_w, srli_d, srlr_b, srlr_h, srlr_w, srlr_d, srlri_b,
3863 srlri_h, srlri_w, srlri_d, bclr_b, bclr_h, bclr_w, bclr_d,
3864 bclri_b, bclri_h, bclri_w, bclri_d, bset_b, bset_h, bset_w,
3865 bset_d, bseti_b, bseti_h, bseti_w, bseti_d, bneg_b, bneg_h,
3866 bneg_w, bneg_d, bnegi_b, bnegi_h, bnegi_w, bnegi_d, binsl_b,
3867 binsl_h, binsl_w, binsl_d, binsli_b, binsli_h, binsli_w,
3868 binsli_d, binsr_b, binsr_h, binsr_w, binsr_d, binsri_b, binsri_h,
3869 binsri_w, binsri_d, addv_b, addv_h, addv_w, addv_d, addvi_b,
3870 addvi_h, addvi_w, addvi_d, subv_b, subv_h, subv_w, subv_d,
3871 subvi_b, subvi_h, subvi_w, subvi_d, max_s_b, max_s_h, max_s_w,
3872 max_s_d, maxi_s_b, maxi_s_h, maxi_s_w, maxi_s_d, max_u_b,
3873 max_u_h, max_u_w, max_u_d, maxi_u_b, maxi_u_h, maxi_u_w,
3874 maxi_u_d, min_s_b, min_s_h, min_s_w, min_s_d, mini_s_b, mini_s_h,
3875 mini_s_w, mini_s_d, min_u_b, min_u_h, min_u_w, min_u_d, mini_u_b,
3876 mini_u_h, mini_u_w, mini_u_d, max_a_b, max_a_h, max_a_w, max_a_d,
3877 min_a_b, min_a_h, min_a_w, min_a_d, ceq_b, ceq_h, ceq_w, ceq_d,
3878 ceqi_b, ceqi_h, ceqi_w, ceqi_d, clt_s_b, clt_s_h, clt_s_w,
3879 clt_s_d, clti_s_b, clti_s_h, clti_s_w, clti_s_d, clt_u_b,
3880 clt_u_h, clt_u_w, clt_u_d, clti_u_b, clti_u_h, clti_u_w,
3881 clti_u_d, cle_s_b, cle_s_h, cle_s_w, cle_s_d, clei_s_b, clei_s_h,
3882 clei_s_w, clei_s_d, cle_u_b, cle_u_h, cle_u_w, cle_u_d, clei_u_b,
3883 clei_u_h, clei_u_w, clei_u_d, ld_b, ld_h, ld_w, ld_d, st_b, st_h,
3884 st_w, st_d, sat_s_b, sat_s_h, sat_s_w, sat_s_d, sat_u_b, sat_u_h,
3885 sat_u_w, sat_u_d, add_a_b, add_a_h, add_a_w, add_a_d, adds_a_b,
3886 adds_a_h, adds_a_w, adds_a_d, adds_s_b, adds_s_h, adds_s_w,
3887 adds_s_d, adds_u_b, adds_u_h, adds_u_w, adds_u_d, ave_s_b,
3888 ave_s_h, ave_s_w, ave_s_d, ave_u_b, ave_u_h, ave_u_w, ave_u_d,
3889 aver_s_b, aver_s_h, aver_s_w, aver_s_d, aver_u_b, aver_u_h,
3890 aver_u_w, aver_u_d, subs_s_b, subs_s_h, subs_s_w, subs_s_d,
3891 subs_u_b, subs_u_h, subs_u_w, subs_u_d, subsuu_s_b, subsuu_s_h,
3892 subsuu_s_w, subsuu_s_d, subsus_u_b, subsus_u_h, subsus_u_w,
3893 subsus_u_d, asub_s_b, asub_s_h, asub_s_w, asub_s_d, asub_u_b,
3894 asub_u_h, asub_u_w, asub_u_d, mulv_b, mulv_h, mulv_w, mulv_d,
3895 maddv_b, maddv_h, maddv_w, maddv_d, msubv_b, msubv_h, msubv_w,
3896 msubv_d, div_s_b, div_s_h, div_s_w, div_s_d, div_u_b, div_u_h,
3897 div_u_w, div_u_d, hadd_s_h, hadd_s_w, hadd_s_d, hadd_u_h,
3898 hadd_u_w, hadd_u_d, hsub_s_h, hsub_s_w, hsub_s_d, hsub_u_h,
3899 hsub_u_w, hsub_u_d, mod_s_b, mod_s_h, mod_s_w, mod_s_d, mod_u_b,
3900 mod_u_h, mod_u_w, mod_u_d, dotp_s_h, dotp_s_w, dotp_s_d,
3901 dotp_u_h, dotp_u_w, dotp_u_d, dpadd_s_h, dpadd_s_w, dpadd_s_d,
3902 dpadd_u_h, dpadd_u_w, dpadd_u_d, dpsub_s_h, dpsub_s_w, dpsub_s_d,
3903 dpsub_u_h, dpsub_u_w, dpsub_u_d, sld_b, sld_h, sld_w, sld_d,
3904 sldi_b, sldi_h, sldi_w, sldi_d, splat_b, splat_h, splat_w,
3905 splat_d, splati_b, splati_h, splati_w, splati_d, pckev_b,
3906 pckev_h, pckev_w, pckev_d, pckod_b, pckod_h, pckod_w, pckod_d,
3907 ilvl_b, ilvl_h, ilvl_w, ilvl_d, ilvr_b, ilvr_h, ilvr_w, ilvr_d,
3908 ilvev_b, ilvev_h, ilvev_w, ilvev_d, ilvod_b, ilvod_h, ilvod_w,
3909 ilvod_d, vshf_b, vshf_h, vshf_w, vshf_d, and_v, andi_b, or_v,
3910 ori_b, nor_v, nori_b, xor_v, xori_b, bmnz_v, bmnzi_b, bmz_v,
3911 bmzi_b, bsel_v, bseli_b, shf_b, shf_h, shf_w, bnz_v, bz_v,
3912 fill_b, fill_h, fill_w, fill_d, pcnt_b, pcnt_h, pcnt_w,
3913 pcnt_d, nloc_b, nloc_h, nloc_w, nloc_d, nlzc_b, nlzc_h, nlzc_w,
3914 nlzc_d, copy_s_b, copy_s_h, copy_s_w, copy_s_d, copy_u_b,
3915 copy_u_h, copy_u_w, copy_u_d, insert_b, insert_h, insert_w,
3916 insert_d, insve_b, insve_h, insve_w, insve_d, bnz_b, bnz_h,
3917 bnz_w, bnz_d, bz_b, bz_h, bz_w, bz_d, ldi_b, ldi_h, ldi_w, ldi_d,
3918 fcaf_w, fcaf_d, fcor_w, fcor_d, fcun_w, fcun_d, fcune_w, fcune_d,
3919 fcueq_w, fcueq_d, fceq_w, fceq_d, fcne_w, fcne_d, fclt_w, fclt_d,
3920 fcult_w, fcult_d, fcle_w, fcle_d, fcule_w, fcule_d, fsaf_w,
3921 fsaf_d, fsor_w, fsor_d, fsun_w, fsun_d, fsune_w, fsune_d,
3922 fsueq_w, fsueq_d, fseq_w, fseq_d, fsne_w, fsne_d, fslt_w,
3923 fslt_d, fsult_w, fsult_d, fsle_w, fsle_d, fsule_w, fsule_d,
3924 fadd_w, fadd_d, fsub_w, fsub_d, fmul_w, fmul_d, fdiv_w, fdiv_d,
3925 fmadd_w, fmadd_d, fmsub_w, fmsub_d, fexp2_w, fexp2_d, fexdo_h,
3926 fexdo_w, ftq_h, ftq_w, fmin_w, fmin_d, fmin_a_w, fmin_a_d,
3927 fmax_w, fmax_d, fmax_a_w, fmax_a_d, mul_q_h, mul_q_w, mulr_q_h,
3928 mulr_q_w, madd_q_h, madd_q_w, maddr_q_h, maddr_q_w, msub_q_h,
3929 msub_q_w, msubr_q_h, msubr_q_w, fclass_w, fclass_d, fsqrt_w,
3930 fsqrt_d, frcp_w, frcp_d, frint_w, frint_d, frsqrt_w, frsqrt_d,
3931 flog2_w, flog2_d, fexupl_w, fexupl_d, fexupr_w, fexupr_d, ffql_w,
3932 ffql_d, ffqr_w, ffqr_d, ftint_s_w, ftint_s_d, ftint_u_w,
3933 ftint_u_d, ftrunc_s_w, ftrunc_s_d, ftrunc_u_w, ftrunc_u_d,
3934 ffint_s_w, ffint_s_d, ffint_u_w, ffint_u_d, ctcmsa, cfcmsa,
3936 (mips_get_builtin_decl_index): New array.
3937 (MIPS_ATYPE_QI, MIPS_ATYPE_HI, MIPS_ATYPE_V2DI, MIPS_ATYPE_V4SI)
3938 (MIPS_ATYPE_V8HI, MIPS_ATYPE_V16QI, MIPS_ATYPE_V2DF)
3939 (MIPS_ATYPE_V4SF, MIPS_ATYPE_UV2DI, MIPS_ATYPE_UV4SI)
3940 (MIPS_ATYPE_UV8HI, MIPS_ATYPE_UV16QI): New.
3941 (mips_init_builtins): Initialize mips_get_builtin_decl_index
3943 (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define target
3945 (mips_expand_builtin_insn): Prepare operands for
3946 CODE_FOR_msa_addvi_b, CODE_FOR_msa_addvi_h, CODE_FOR_msa_addvi_w,
3947 CODE_FOR_msa_addvi_d, CODE_FOR_msa_clti_u_b,
3948 CODE_FOR_msa_clti_u_h, CODE_FOR_msa_clti_u_w,
3949 CODE_FOR_msa_clti_u_d, CODE_FOR_msa_clei_u_b,
3950 CODE_FOR_msa_clei_u_h, CODE_FOR_msa_clei_u_w,
3951 CODE_FOR_msa_clei_u_d, CODE_FOR_msa_maxi_u_b,
3952 CODE_FOR_msa_maxi_u_h, CODE_FOR_msa_maxi_u_w,
3953 CODE_FOR_msa_maxi_u_d, CODE_FOR_msa_mini_u_b,
3954 CODE_FOR_msa_mini_u_h, CODE_FOR_msa_mini_u_w,
3955 CODE_FOR_msa_mini_u_d, CODE_FOR_msa_subvi_b,
3956 CODE_FOR_msa_subvi_h, CODE_FOR_msa_subvi_w, CODE_FOR_msa_subvi_d,
3957 CODE_FOR_msa_ceqi_b, CODE_FOR_msa_ceqi_h, CODE_FOR_msa_ceqi_w,
3958 CODE_FOR_msa_ceqi_d, CODE_FOR_msa_clti_s_b,
3959 CODE_FOR_msa_clti_s_h, CODE_FOR_msa_clti_s_w,
3960 CODE_FOR_msa_clti_s_d, CODE_FOR_msa_clei_s_b,
3961 CODE_FOR_msa_clei_s_h, CODE_FOR_msa_clei_s_w,
3962 CODE_FOR_msa_clei_s_d, CODE_FOR_msa_maxi_s_b,
3963 CODE_FOR_msa_maxi_s_h, CODE_FOR_msa_maxi_s_w,
3964 CODE_FOR_msa_maxi_s_d, CODE_FOR_msa_mini_s_b,
3965 CODE_FOR_msa_mini_s_h, CODE_FOR_msa_mini_s_w,
3966 CODE_FOR_msa_mini_s_d, CODE_FOR_msa_andi_b, CODE_FOR_msa_ori_b,
3967 CODE_FOR_msa_nori_b, CODE_FOR_msa_xori_b, CODE_FOR_msa_bmzi_b,
3968 CODE_FOR_msa_bmnzi_b, CODE_FOR_msa_bseli_b, CODE_FOR_msa_fill_b,
3969 CODE_FOR_msa_fill_h, CODE_FOR_msa_fill_w, CODE_FOR_msa_fill_d,
3970 CODE_FOR_msa_ilvl_b, CODE_FOR_msa_ilvl_h, CODE_FOR_msa_ilvl_w,
3971 CODE_FOR_msa_ilvl_d, CODE_FOR_msa_ilvr_b, CODE_FOR_msa_ilvr_h,
3972 CODE_FOR_msa_ilvr_w, CODE_FOR_msa_ilvr_d, CODE_FOR_msa_ilvev_b,
3973 CODE_FOR_msa_ilvev_h, CODE_FOR_msa_ilvev_w, CODE_FOR_msa_ilvod_b,
3974 CODE_FOR_msa_ilvod_h, CODE_FOR_msa_ilvod_w, CODE_FOR_msa_pckev_b,
3975 CODE_FOR_msa_pckev_h, CODE_FOR_msa_pckev_w, CODE_FOR_msa_pckod_b,
3976 CODE_FOR_msa_pckod_h, CODE_FOR_msa_pckod_w, CODE_FOR_msa_slli_b,
3977 CODE_FOR_msa_slli_h, CODE_FOR_msa_slli_w, CODE_FOR_msa_slli_d,
3978 CODE_FOR_msa_srai_b, CODE_FOR_msa_srai_h, CODE_FOR_msa_srai_w,
3979 CODE_FOR_msa_srai_d, CODE_FOR_msa_srli_b, CODE_FOR_msa_srli_h,
3980 CODE_FOR_msa_srli_w, CODE_FOR_msa_srli_d, CODE_FOR_msa_insert_b,
3981 CODE_FOR_msa_insert_h, CODE_FOR_msa_insert_w,
3982 CODE_FOR_msa_insert_d, CODE_FOR_msa_insve_b,
3983 CODE_FOR_msa_insve_h, CODE_FOR_msa_insve_w, CODE_FOR_msa_insve_d,
3984 CODE_FOR_msa_shf_b, CODE_FOR_msa_shf_h, CODE_FOR_msa_shf_w,
3985 CODE_FOR_msa_shf_w_f, CODE_FOR_msa_vshf_b, CODE_FOR_msa_vshf_h,
3986 CODE_FOR_msa_vshf_w, CODE_FOR_msa_vshf_d.
3987 (mips_expand_builtin): Add case for MIPS_BULTIN_MSA_TEST_BRANCH.
3988 (mips_set_compression_mode): Disallow MSA with MIPS16 code.
3989 (mips_option_override): -mmsa requires -mfp64 and -mhard-float.
3990 These are set implicitly and an error is reported if overridden.
3991 (mips_expand_builtin_msa_test_branch): New function.
3992 (mips_expand_msa_shuffle): Likewise.
3993 (MAX_VECT_LEN): Increase maximum length of a vector to 16 bytes.
3994 (TARGET_SCHED_REASSOCIATION_WIDTH): Define target hook.
3995 (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Likewise.
3996 (mips_expand_vec_unpack): Add support for MSA.
3997 (mips_expand_vector_init): Likewise.
3998 (mips_expand_vi_constant): Use CONST0_RTX (element_mode)
3999 instead of const0_rtx.
4000 (mips_msa_vec_parallel_const_half): New function.
4001 (mips_gen_const_int_vector): Likewise.
4002 (mips_gen_const_int_vector_shuffle): Likewise.
4003 (mips_expand_msa_cmp): Likewise.
4004 (mips_expand_vec_cond_expr): Likewise.
4005 * config/mips/mips.h
4006 (TARGET_CPU_CPP_BUILTINS): Add __mips_msa and __mips_msa_width.
4007 (OPTION_DEFAULT_SPECS): Ignore --with-fp-32 if -mmsa is
4009 (ASM_SPEC): Pass mmsa and mno-msa to the assembler.
4010 (ISA_HAS_MSA): New macro.
4011 (UNITS_PER_MSA_REG): Likewise.
4012 (BITS_PER_MSA_REG): Likewise.
4013 (BIGGEST_ALIGNMENT): Redefine using ISA_HAS_MSA.
4014 (MSA_REG_FIRST): New macro.
4015 (MSA_REG_LAST): Likewise.
4016 (MSA_REG_NUM): Likewise.
4017 (MSA_REG_P): Likewise.
4018 (MSA_REG_RTX_P): Likewise.
4019 (MSA_SUPPORTED_MODE_P): Likewise.
4020 (HARD_REGNO_CALL_PART_CLOBBERED): Redefine using TARGET_MSA.
4021 (ADDITIONAL_REGISTER_NAMES): Add named registers $w0-$w31.
4022 * config/mips/mips.md: Include mips-msa.md.
4023 (alu_type): Add simd_add.
4024 (mode): Add V2DI, V4SI, V8HI, V16QI, V2DF, V4SF.
4025 (type): Add simd_div, simd_fclass, simd_flog2, simd_fadd,
4026 simd_fcvt, simd_fmul, simd_fmadd, simd_fdiv, simd_bitins,
4027 simd_bitmov, simd_insert, simd_sld, simd_mul, simd_fcmp,
4028 simd_fexp2, simd_int_arith, simd_bit, simd_shift, simd_splat,
4029 simd_fill, simd_permute, simd_shf, simd_sat, simd_pcnt,
4030 simd_copy, simd_branch, simd_cmsa, simd_fminmax, simd_logic,
4031 simd_move, simd_load, simd_store. Choose "multi" for moves
4033 (qword_mode): New attribute.
4034 (insn_count): Add instruction count for quad moves.
4035 Increase the count for MIPS SIMD division.
4036 (UNITMODE): Add UNITMODEs for vector types.
4037 (addsub): New code iterator.
4038 * config/mips/mips.opt (mmsa): New option.
4039 * config/mips/msa.h: New file.
4040 * config/mips/mti-elf.h: Don't infer -mfpxx if -mmsa is
4042 * config/mips/mti-linux.h: Likewise.
4043 * config/mips/predicates.md
4044 (const_msa_branch_operand): New constraint.
4045 (const_uimm3_operand): Likewise.
4046 (const_uimm4_operand): Likewise.
4047 (const_uimm5_operand): Likewise.
4048 (const_uimm8_operand): Likewise.
4049 (const_imm5_operand): Likewise.
4050 (aq10b_operand): Likewise.
4051 (aq10h_operand): Likewise.
4052 (aq10w_operand): Likewise.
4053 (aq10d_operand): Likewise.
4054 (const_m1_operand): Likewise.
4055 (reg_or_m1_operand): Likewise.
4056 (const_exp_2_operand): Likewise.
4057 (const_exp_4_operand): Likewise.
4058 (const_exp_8_operand): Likewise.
4059 (const_exp_16_operand): Likewise.
4060 (const_vector_same_val_operand): Likewise.
4061 (const_vector_same_simm5_operand): Likewise.
4062 (const_vector_same_uimm5_operand): Likewise.
4063 (const_vector_same_uimm6_operand): Likewise.
4064 (const_vector_same_uimm8_operand): Likewise.
4065 (par_const_vector_shf_set_operand): Likewise.
4066 (reg_or_vector_same_val_operand): Likewise.
4067 (reg_or_vector_same_simm5_operand): Likewise.
4068 (reg_or_vector_same_uimm6_operand): Likewise.
4069 * doc/extend.texi (MIPS SIMD Architecture Functions): New
4071 * doc/invoke.texi (-mmsa): Document new option.
4073 2016-05-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4075 * configure.ac (enable_vtable_verify): Handle --enable-vtable-verify.
4076 * configure: Regenerate.
4077 * config.in: Regenerate.
4078 * gcc.c (VTABLE_VERIFICATION_SPEC) [!ENABLE_VTABLE_VERIFY]: Error
4080 * config/sol2.h [!ENABLE_VTABLE_VERIFY] (STARTFILE_VTV_SPEC): Define.
4081 (ENDFILE_VTV_SPEC): Define.
4083 2016-05-09 Kaushik Phatak <kaushik.phatak@kpit.com>
4085 * config/rl78/rl78.c (rl78_expand_prologue): Save the MDUC related
4086 registers in all interrupt handlers if necessary.
4087 (rl78_option_override): Add warning.
4088 (MUST_SAVE_MDUC_REGISTERS): New macro.
4089 (rl78_expand_epilogue): Restore the MDUC registers if necessary.
4090 * config/rl78/rl78.c (check_mduc_usage): New function.
4091 (mduc_regs): New structure to hold MDUC register data.
4092 * config/rl78/rl78.md (is_g13_muldiv_insn): New attribute.
4093 (mulsi3_g13): Add is_g13_muldiv_insn attribute.
4094 (udivmodsi4_g13): Add is_g13_muldiv_insn attribute.
4095 (mulhi3_g13): Add is_g13_muldiv_insn attribute.
4096 * config/rl78/rl78.opt (msave-mduc-in-interrupts): New option.
4097 * doc/invoke.texi (RL78 Options): Add -msave-mduc-in-interrupts.
4099 2016-05-09 Bin Cheng <bin.cheng@arm.com>
4101 * tree-if-conv.c (tree-ssa-loop.h): Include header file.
4102 (tree-ssa-loop-niter.h): Ditto.
4103 (idx_within_array_bound, ref_within_array_bound): New functions.
4104 (ifcvt_memrefs_wont_trap): Check if array ref is within bound.
4105 Factor out check on writable base object to ...
4106 (base_object_writable): ... here.
4108 2016-05-09 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4110 * config/arm/arm.md (probe_stack): Add modes to set source
4113 2016-05-09 Bernd Schmidt <bschmidt@redhat.com>
4115 * regrename.c (base_reg_class_for_rename): New static function.
4116 (scan_rtx_address, scan_rtx): Use it instead of base_reg_class.
4118 2016-05-08 Jan Hubicka <hubicka@ucw.cz>
4120 * cgraph.c (thunk_adjust): Export.
4121 * cgraphclones.c (cgraph_node::create_clone): Clone thunk info.
4122 * cgraphunit.c (thunk_adjust): Export.
4123 (cgraph_node::assemble_thunks_and_aliases): Do not assemble inlined
4125 * ipa-inline-analyssi.c (compute_inline_parameters): Thunks are
4127 * tree-inline.c (expand_call_inline): Expand thunks inline.
4129 2016-05-08 Uros Bizjak <ubizjak@gmail.com>
4132 * config/i386/sse.md (*sse2_vd_cvtsd2ss): New insn pattern.
4133 (*sse2_vd_cvtss2sd): Ditto.
4134 * config/i386/i386.md
4135 (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_truncate df->sf splitter):
4136 Generate *sse2_vd_cvtsd2ss pattern.
4137 (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_extend sf->df splitter):
4138 Generate *sse2_vd_cvtss2sd pattern.
4140 2016-05-08 Oleg Endo <olegendo@gcc.gnu.org>
4142 * config/sh/sh.h (GET_SH_ARG_CLASS): Convert macro into ...
4143 * config/sh/sh.c (get_sh_arg_class): ... this new function. Update its
4146 2016-05-08 Oleg Endo <olegendo@gcc.gnu.org>
4148 * config/sh/sh-protos.h (sh_media_register_for_return): Remove.
4149 * config/sh/sh.c: Define and declare variables on first use throughout
4151 (current_function_interrupt): Change to bool type.
4152 (frame_insn): Rename to emit_frame_insn and update users.
4153 (push_regs): Use bool for 'interrupt_handler' argument.
4154 (save_schedule_s): Remove.
4155 (TARGET_ASM_UNALIGNED_DI_OP, TARGET_ASM_ALIGNED_DI_OP): Remove.
4156 (sh_option_override): Don't nullify targetm.asm_out.aligned_op.di and
4157 targetm.asm_out.unaligned_op.di.
4158 (gen_far_branch): Remove redundant forward declaration.
4159 (sh_media_register_for_return, MAX_SAVED_REGS, save_entry_s, save_entry,
4160 MAX_TEMPS, save_schedule_ssave_schedule): Remove.
4161 (sh_set_return_address, sh_function_ok_for_sibcall,
4162 scavenge_reg): Update comments.
4163 (sh_builtin_saveregs): Use TRAGET_FPU_ANY condition.
4164 (sh2a_get_function_vector_number, sh2a_function_vector_p): Use for loop.
4165 (sh_attr_renesas_p): Remove unnecessary parentheses.
4166 (branch_dest): Simplify.
4167 * config/sh/sh.h (sh_args): Remove byref, byref_regs, stack_regs fields.
4168 Change force_mem, prototype_p, outgoing, renesas_abi fields to bool.
4169 (CUMULATIVE_ARGS): Change macro to typedef.
4170 (current_function_interrupt): Change to bool type.
4171 (sh_arg_class, sh_args, CUMULATIVE_ARGS, current_function_interrupt):
4172 Surround with __cplusplus ifdef.
4173 (sh_compare_op0, sh_compare_op1): Remove.
4174 (EPILOGUE_USES): Use TARGET_FPU_ANY condition.
4176 2016-05-07 Jim Wilson <jim.wilson@linaro.org>
4178 * config/arm/arm.md: (arch): Add neon.
4179 (arch_enabled): Return yes for arch neon when TARGET_NEON.
4180 * config/arm/vfp.md (movdf_vfp): Add w/G as alternative 3. Add
4181 neon_move as type for alt 3. Add arch attr enabling alt 3 for neon.
4182 Emit vmov.i64 for alt 3. Renumber alternatives 3 to 8. Adjust
4183 attributes for alt renumbering. Mark alt 3 as non-predicable.
4184 (thumb2_movdf_vfp): Likewise.
4186 2016-05-07 Uros Bizjak <ubizjak@gmail.com>
4188 * config/i386/i386.md (*addqi_1): Add preferred_for_speed attribute
4189 to disparage alternatives 3 and 4 for TARGET_PARTIAL_REG_STALL targets.
4190 (*andqi_1): Add preferred_for_speed attribute to disparage
4191 alternative 2 for TARGET_PARTIAL_REG_STALL targets.
4192 (*<code>qi_1): Ditto.
4193 (*one_cmplqi2_1): Add preferred_for_speed attribute to disparage
4194 alternative 1 for TARGET_PARTIAL_REG_STALL targets.
4195 (*ashlqi3_1): Ditto.
4196 (*swap<mode>): Merge from *swap<mode>_1 and *swap<mode>_2 patterns.
4197 Add preferred_for_size attribute to disparage alternative 0 and
4198 preferred_for_speed attribute to disparage alternative 1 for
4199 TARGET_PARTIAL_REG_STALL targets.
4201 2016-05-07 Tom de Vries <tom@codesourcery.com>
4203 PR tree-optimization/70956
4204 * graphite-scop-detection.c (build_cross_bb_scalars_def): Handle NULL
4207 2016-05-07 Oleg Endo <olegendo@gcc.gnu.org>
4209 * config/sh/sh-protos.h (sh_cbranch_distance): Declare new function.
4210 * config/sh/sh.c (sh_cbranch_distance): Implement it.
4211 * config/sh/sh.md (branch_zero): Remove define_attr.
4212 (define_delay): Disable delay slot if branch distance is one insn.
4214 2016-05-06 Uros Bizjak <ubizjak@gmail.com>
4216 * config/i386/i386.md (LEAMODE): New mode attribute.
4217 (plus to LEA splitter): Rewrite splitter using LEAMODE mode attribute.
4218 (ashift to LEA splitter): Rewrte splitter using SWI mode iterator
4219 and LEAMODE mode attribute. Use VOIDmode const_0_to_3_operand as
4220 operand 2 predicate.
4221 (*lea<mode>_general_2): Use VOIDmode for const248_operand.
4222 (*lea<mode>_general_3): Ditto.
4223 (*lea<mode>_general_4): Use VOIDmode for const_0_to_3_operand.
4225 2016-05-06 Jakub Jelinek <jakub@redhat.com>
4227 * genmddump.c (main): Convert argv from char ** to const char **.
4229 2016-05-06 David Malcolm <dmalcolm@redhat.com>
4231 * coretypes.h (OVERRIDE): New macro.
4234 2016-05-06 Eric Botcazou <ebotcazou@adacore.com>
4236 * tree-ssa-coalesce.c (gimple_can_coalesce_p): In the optimized case,
4237 allow coalescing if the types are compatible.
4239 2016-05-06 David Malcolm <dmalcolm@redhat.com>
4241 * pass_manager.h (pass_manager::register_pass_name): New method.
4242 (pass_manager::get_pass_by_name): New method.
4243 (pass_manager::create_pass_tab): New method.
4244 (pass_manager::m_name_to_pass_map): New field.
4245 * passes.c (name_to_pass_map): Delete global in favor of field
4246 "m_name_to_pass_map" of pass_manager.
4247 (register_pass_name): Rename from a function to...
4248 (pass_manager::register_pass_name): ...this method, updating
4249 for renaming of global "name_to_pass_map" to field
4250 "m_name_to_pass_map".
4251 (create_pass_tab): Rename from a function to...
4252 (pass_manager::create_pass_tab): ...this method, updating
4253 for renaming of global "name_to_pass_map" to field.
4254 (get_pass_by_name): Rename from a function to...
4255 (pass_manager::get_pass_by_name): ...this method.
4256 (enable_disable_pass): Convert use of get_pass_by_name to
4257 a method call, locating the pass_manager singleton.
4259 2016-05-06 David Malcolm <dmalcolm@redhat.com>
4261 * genattr-common.c (main): Convert argv from char ** to const char **.
4262 * genattr.c (main): Likewise.
4263 * genattrtab.c (main): Likewise.
4264 * genautomata.c (initiate_automaton_gen): Likewise.
4266 * gencodes.c (main): Likewise.
4267 * genconditions.c (main): Likewise.
4268 * genconfig.c (main): Likewise.
4269 * genconstants.c (main): Likewise.
4270 * genemit.c (main): Likewise.
4271 * genenums.c (main): Likewise.
4272 * genextract.c (main): Likewise.
4273 * genflags.c (main): Likewise.
4274 * genmddeps.c (main): Likewise.
4275 * genopinit.c (main): Likewise.
4276 * genoutput.c (main): Likewise.
4277 * genpeep.c (main): Likewise.
4278 * genpreds.c (main): Likewise.
4279 * genrecog.c (main): Likewise.
4280 * gensupport.c (init_rtx_reader_args_cb): Likewise.
4281 (init_rtx_reader_args): Likewise.
4282 * gensupport.h (init_rtx_reader_args_cb): Likewise.
4283 (init_rtx_reader_args): Likewise.
4284 * gentarget-def.c (main): Likewise.
4285 * read-md.c (read_md_files): Likewise.
4286 * read-md.h (read_md_files): Likewise.
4288 2016-05-06 Uros Bizjak <ubizjak@gmail.com>
4290 * config/i386/i386.md (int cmove peephole2s): Use general_reg_operand
4291 instead of register_and_not_any_fp_reg_operand as operand 0 predicate.
4292 * config/i386/predicates.md (register_and_not_any_fp_reg_operand):
4293 Remove unused predicate.
4294 (register_and_not_fp_reg_operand): Ditto.
4296 2016-05-06 Martin Liska <mliska@suse.cz>
4298 * tree-if-conv.c (ifcvt_split_critical_edges): Use auto_vec
4299 instead of vec as the vector is local to the function.
4301 2016-05-06 Jakub Jelinek <jakub@redhat.com>
4303 * config/i386/sse.md (*<code>v8hi3, *<code>v16qi3): Add
4304 avx512bw alternative.
4306 * config/i386/sse.md (<mask_codefor>ashr<mode>3<mask_name>): Move
4307 before the ashr<mode>3 pattern.
4309 * config/i386/sse.md (*avx2_pmaddwd, *sse2_pmaddwd): Use
4310 v instead of x in vex or maybe_vex alternatives, use
4311 maybe_evex instead of vex in prefix.
4313 * config/i386/sse.md (*vec_extractv4sf_0, *sse4_1_extractps,
4314 *vec_extractv4sf_mem, vec_extract_lo_v16hi, vec_extract_hi_v16hi,
4315 vec_extract_lo_v32qi, vec_extract_hi_v32qi): Use v instead of x
4316 in vex or maybe_vex alternatives, use maybe_evex instead of vex
4319 * config/i386/sse.md (*vec_concatv2sf_sse4_1, *vec_concatv4sf): Use
4320 v instead of x in vex or maybe_vex alternatives, use
4321 maybe_evex instead of vex in prefix.
4323 * config/i386/sse.md (sse_shufps_<mode>, sse_storehps, sse_loadhps,
4324 sse_storelps, sse_movss, avx2_vec_dup<mode>, avx2_vec_dupv8sf_1,
4325 sse2_shufpd_<mode>, sse2_storehpd, sse2_storelpd, sse2_loadhpd,
4326 sse2_loadlpd, sse2_movsd): Use v instead of x in vex or maybe_vex
4327 alternatives, use maybe_evex instead of vex in prefix.
4329 * config/i386/sse.md (vec_interleave_lowv4sf,
4330 *vec_interleave_highv2df, *vec_interleave_lowv2df): Use
4331 v instead of x in vex or maybe_vex alternatives, use
4332 maybe_evex instead of vex in prefix.
4334 * config/i386/sse.md (sse_movhlps, sse_movlhps): Use
4335 v instead of x in vex or maybe_vex alternatives, use
4336 maybe_evex instead of vex in prefix.
4338 * config/i386/sse.md (*avx_cvtpd2dq256_2, *avx_cvtps2pd256_2): Use
4339 v constraint instead of x.
4341 2016-05-06 Nathan Sidwell <nathan@codesourcery.com>
4343 * gimple.c (gimple_call_same_target_p): Unique functions are eq.
4344 * tree-ssa-tail-merge.c (same_succ::equal): Check pointer eq
4347 2016-05-06 Richard Biener <rguenther@suse.de>
4349 PR tree-optimization/70948
4350 * tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
4351 Properly clobber all fields of va_list for __builtin_va_start.
4353 2016-05-06 Yuri Rumyantsev <ysrumyan@gmail.com>
4356 * tree-ssa-loop-unswitch.c (find_loop_guard): Reject guard edge with
4357 loop latch destination.
4359 2016-05-06 Martin Liska <mliska@suse.cz>
4361 * tree-ssa-uninit.c: Apply manual changes
4362 to the GNU coding style.
4363 (prune_uninit_phi_opnds): Rename from
4364 prune_uninit_phi_opnds_in_unrealizable_paths.
4366 2016-05-06 Oleg Endo <olegendo@gcc.gnu.org>
4368 * config/sh/sh.opt (madjust-unroll, minvalid-symbols, msoft-atomic,
4369 mspace): Remove deprecated options.
4370 * doc/invoke.texi (SH options): Remove -mspace.
4372 2016-05-06 Oleg Endo <olegendo@gcc.gnu.org>
4374 * config/sh/sh.md (ic_invalidate_line_sh4a): Fix insn length.
4376 2016-05-06 Oleg Endo <olegendo@gcc.gnu.org>
4378 * config/sh/sh.md (*cmpeqsi_t): Remove combine insn pattern and similar
4379 corresponding combine split pattern.
4381 2016-05-06 Oleg Endo <olegendo@gcc.gnu.org>
4384 * config/sh/predicates.md (long_displacement_mem_operand): New.
4385 * config/sh/sh.md (movsi_i): Allow for SH2A, disallow for any FPU.
4386 Add movi20, movi20s alternatives. Adjust length attribute for
4388 (movsi_ie): Allow for any FPU. Adjust length attribute for
4390 (movsi_i_lowpart): Add movi20, movi20s alternatives. Adjust length
4391 attribute for alternatives.
4392 (*mov<mode>): Use long_displacement_mem_operand for length attribute.
4393 (*movdi_i, movdf_k, movdf_i4, movsf_i, movsf_ie, movsf_ie_ra): Adjust
4394 length attribute for alternatives.
4396 2016-05-06 Richard Biener <rguenther@suse.de>
4398 PR tree-optimization/70960
4399 * tree-if-conv.c (ifcvt_walk_pattern_tree): Handle non-SSA ops.
4401 2016-05-06 Oleg Endo <olegendo@gcc.gnu.org>
4404 * config/sh/sh.md (*cmp_div0s_7, *cmp_div0s_8): Add div0s variants.
4405 * config/sh/sh.c (sh_rtx_costs): Add another div0s case.
4407 2016-05-06 Marek Polacek <polacek@redhat.com>
4410 * ubsan.c (get_ubsan_type_info_for_type): Remove assert.
4412 2016-05-06 Oleg Endo <olegendo@gcc.gnu.org>
4415 * config/sh/sh.md (*rotcr): Add another variant.
4417 2016-05-06 Richard Biener <rguenther@suse.de>
4420 * dwarf2out.c (native_encode_initializer): Skip zero-sized fields.
4422 2016-05-06 Richard Biener <rguenther@suse.de>
4425 * fold-const.c (split_tree): Always convert to the original type
4428 2016-05-06 Richard Biener <rguenther@suse.de>
4430 * fwprop.c (fwprop): Remove duplicate cleanup_cfg call.
4431 (fwprop_addr): Likewise.
4433 2016-05-06 Uros Bizjak <ubizjak@gmail.com>
4436 * config/i386/i386-protos.h (ix86_standard_x87sse_constant_load_p):
4438 * config/i386/i386.c (ix86_standard_x87sse_constant_load_p): New.
4439 * config/i386/i386.md (push mem splitter): Use find_constant_src in
4440 the splitter condition.
4441 (FP load splitter): Use ix86_standard_x87sse_constant_load_p in
4442 the splitter condition.
4443 (FP float_extend load splitter): Ditto.
4445 2016-05-05 Uros Bizjak <ubizjak@gmail.com>
4447 * config/i386/i386.md (peehole2 patterns): Change true_regnum
4448 to REGNO in all peephole2 patterns.
4449 (post-reload splitters): Change true_regnum to REGNO in
4450 post-reload splitters.
4451 (zero_extend splitters): Use general_reg_operand and
4452 nonimmediate_gr_operand predicates.
4454 2016-05-05 Jakub Jelinek <jakub@redhat.com>
4456 * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>): Use
4457 v constraint instead of x.
4459 2016-05-05 Alan Modra <amodra@gmail.com>
4462 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Don't
4463 set OPTION_MASK_RELOCATABLE when flag_pic == 2. Set
4464 TARGET_NO_FP_IN_TOC for -mrelocatable.
4465 (MINIMAL_TOC_SECTION_ASM_OP): Remove redundant
4466 TARGET_RELOCATABLE test.
4467 (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
4468 (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
4469 * config/rs6000/linux64.h (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
4470 (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
4471 (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
4472 * config/rs6000/freebsd64.h (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
4473 (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
4474 (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
4475 * config/rs6000/predicates.md (easy_fp_constant): Likewise.
4476 * config/rs6000/rs6000.c (rs6000_elf_output_toc_section_asm_op):
4478 (rs6000_assemble_integer): Update TARGET_RELOCATABLE test.
4479 (rs6000_stack_info): Likewise.
4480 (rs6000_elf_asm_out_constructor): Likewise.
4481 (rs6000_elf_asm_out_destructor): Likewise.
4482 (rs6000_elf_declare_function_name): Likewise.
4483 * config/rs6000/rs6000.md (load_toc_aix_di): Likewise.
4484 * config/rs6000/rs6000.h (MASK_RELOCATABLE, MASK_MINIMAL_TOC):
4487 2016-05-05 Alan Modra <amodra@gmail.com>
4489 * config/rs6000/rs6000.c (rs6000_frame_related): Rewrite.
4491 2016-05-05 Alan Modra <amodra@gmail.com>
4493 * config/rs6000/rs6000.c (rs6000_savres_strategy): Don't use
4494 out-of-line gpr restore for one or two regs if that would add
4497 2016-05-04 Uros Bizjak <ubizjak@gmail.com>
4500 * config/i386/i386.md
4501 (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_extend sf->df peephole2):
4502 Change to post-epilogue_completed late splitter. Use sse_reg_operand
4503 as operand 0 predicate.
4504 (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_truncate df->sf peephole2):
4506 (TARGET_SSE_PARTIAL_REG_DEPENDENCY float {si,di}->{sf,df} peephole2):
4507 Ditto. Emit the pattern using RTX.
4509 (TARGET_USE_VECTOR_FP_CONVERTS float_extend sf->df splitter):
4510 Use sse_reg_opreand as operand 0 predicate. Do not use true_regnum in
4511 the post-reload splitter. Use lowpart_subreg instead of gen_rtx_REG.
4512 (TARGET_USE_VECTOR_FP_CONVERTS float_truncate df->sf splitter):
4514 (TARGET_USE_VECTOR_CONVERTS float si->{sf,df} splitter): Use
4515 sse_reg_operand as operand 0 predicate.
4517 (TARGET_SPLIT_MEM_OPND_FOR_FP_CONVERTS float_extend sf->df peephole2):
4518 Use sse_reg_opreand as operand 0 predicate. Use lowpart_subreg
4519 instead of gen_rtx_REG.
4520 (TARGET_SPLIT_MEM_OPND_FOR_FP_CONVERTS float_truncate sf->df peephole2):
4523 2016-05-04 Segher Boessenkool <segher@kernel.crashing.org>
4525 * function.c (emit_use_return_register_into_block): Delete.
4526 (gen_return_pattern): Delete.
4527 (emit_return_into_block): Delete.
4528 (active_insn_between): Delete.
4529 (convert_jumps_to_returns): Delete.
4530 (emit_return_for_exit): Delete.
4531 (thread_prologue_and_epilogue_insns): Delete all code dealing with
4532 simple_return for shrink-wrapped blocks.
4533 * shrink-wrap.c (try_shrink_wrapping): Insert simple_return at the
4534 end of blocks that need one.
4535 (get_unconverted_simple_return): Delete.
4536 (convert_to_simple_return): Delete.
4537 * shrink-wrap.c (get_unconverted_simple_return): Delete declaration.
4538 (convert_to_simple_return): Ditto.
4540 2016-05-04 Segher Boessenkool <segher@kernel.crashing.org>
4542 * cfgcleanup.c (bb_is_just_return): New function.
4543 (try_optimize_cfg): Simplify jumps to return, branches to return,
4544 and branches around return.
4546 2016-05-04 Segher Boessenkool <segher@kernel.crashing.org>
4548 * cfgcleanup.c (try_simplify_condjump): Don't try to simplify a
4551 2016-05-04 Jakub Jelinek <jakub@redhat.com>
4555 * tree-core.h (enum operand_equal_flag): Add OEP_HASH_CHECK.
4556 * tree.c (inchash::add_expr): If !IS_EXPR_CODE_CLASS (tclass),
4557 assert flags & OEP_HASH_CHECK, instead of asserting it
4558 never happens. Handle TARGET_EXPR.
4559 * fold-const.c (operand_equal_p): For hash verification,
4560 or in OEP_HASH_CHECK into flags.
4562 2016-05-04 Eric Botcazou <ebotcazou@adacore.com>
4564 * tree-ssa-coalesce.c (gimple_can_coalesce_p): Fix reference in head
4566 (compute_samebase_partition_bases): Fix typo.
4568 2016-05-04 Jakub Jelinek <jakub@redhat.com>
4570 * config/i386/sse.md (vec_interleave_highv8sf,
4571 vec_interleave_lowv8sf, vec_interleave_highv4df,
4572 vec_interleave_lowv4df): Remove constraints from expanders.
4574 * config/i386/sse.md (sse2_movq128): Use v constraint instead of x.
4576 2016-05-04 Jan Hubicka <hubicka@ucw.cz>
4578 * tree-inline.c (expand_call_inline): Fix path dealing with
4579 making lhs of call statement undefined.
4581 2016-05-04 Jan Hubicka <hubicka@ucw.cz>
4583 * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases):
4584 Check availability on NODE, too.
4585 * cgraph.h (symtab_node::call_for_symbol_and_aliases): Likewise.
4586 (cgraph_node::call_for_symbol_and_aliases): Likewise.
4587 (varpool_node::call_for_symbol_and_aliase): Likewise.
4588 * ipa-pure-const.c (add_new_function): Analyze all bodies.
4589 (propagate_pure_const): Propagate across interposable functions, too.
4590 (skip_function_for_local_pure_const): Do not skip interposable bodies
4592 (pass_local_pure_const::execute): Update.
4594 2016-05-04 Marek Polacek <polacek@redhat.com>
4596 * doc/invoke.texi: Document -Wdangling-else.
4598 2016-05-04 Thomas Preud'homme <thomas.preudhomme@arm.com>
4600 * config.gcc: Error out when conflicting multilib is detected. Do not
4601 loop over multilibs since no combination is legal.
4603 2016-05-04 Alan Modra <amodra@gmail.com>
4605 * config/rs6000/rs6000.h (PIC_OFFSET_TABLE_REGNUM): Correct.
4606 * config/rs6000/sysv4.h (TARGET_TOC): Simplify.
4607 * config/rs6000/rs6000.c (rs6000_elf_output_toc_section_asm_op):
4610 2016-05-04 Matthew Fortune <matthew.fortune@imgtec.com>
4612 * config/mips/mips-cpus.def (p5600): Avoid IMADD by default.
4613 Clean up p5600 comments.
4615 2016-05-04 Richard Biener <rguenther@suse.de>
4617 * match.pd: Add BIT_FIELD_REF canonicalizations and vector
4618 constructor simplifications.
4619 * fold-const.c (fold_ternary_loc): Remove duplicate functionality here.
4621 2016-05-04 Oleg Endo <olegendo@gcc.gnu.org>
4623 * config/sh/predicates (post_inc_mem, pre_dec_mem): New predicates.
4624 * config/sh/sh-protos.h (sh_find_set_of_reg): Return null result if
4625 result.set_rtx is null instead of aborting.
4626 * config/sh/sh.h (USE_LOAD_POST_INCREMENT, USE_STORE_PRE_DECREMENT):
4628 (USE_LOAD_PRE_DECREMENT, USE_STORE_POST_INCREMENT): Enable for SH2A.
4629 * config/sh/sh.md (*extend<mode>si2_predec, *mov<mode>_load_predec,
4630 *mov<mode>_store_postinc): New patterns.
4632 2016-05-04 Marc Glisse <marc.glisse@inria.fr>
4634 * match.pd ((A | B) & (A | C)): Generalize to BIT_XOR_EXPR. Mark
4635 as commutative. Check both conversions are NOP.
4636 ((A & B) OP (C & B)): Remove.
4638 2016-05-04 Alan Modra <amodra@gmail.com>
4640 * combine.c (simplify_set): Correct WORD_REGISTER_OPERATIONS test.
4642 2016-05-04 Alan Modra <amodra@gmail.com>
4645 * config/rs6000/rs6000.c (rs6000_stack_info): Don't set cr_save_p
4646 when cr2,3,4 are all fixed regs.
4648 2016-05-04 Bernd Schmidt <bschmidt@redhat.com>
4650 PR rtl-optimization/57193
4651 * opts.c (default_options_table): Revert OPT_frename_registers change.
4652 * doc/invoke.texi (-frename-registers, -O2): Likewise.
4654 2016-05-03 Martin Sebor <msebor@redhat.com>
4657 * builtins.c (fold_builtin_FILE): New function.
4658 (fold_builtin_FUNCTION, fold_builtin_LINE): New functions.
4659 (fold_builtin_0): Call them.
4660 * gimplify.c (gimplify_call_expr): Remove the handling of
4661 BUILT_IN_FILE, BUILT_IN_FUNCTION, and BUILT_IN_LINE.
4664 * doc/extend.texi (Other Builtins): Update __builtin_FILE,
4665 __builtin_FUNCTION, and __builtin_LINE to reflect they yield
4669 * doc/extend.texi (Function Names as Strings): Update __func__,
4670 __FUNCTION__, __PRETTY_FUNCTION__ to reflect they evaluate to
4673 2016-05-03 Jakub Jelinek <jakub@redhat.com>
4674 Richard Biener <rguenther@suse.de>
4676 PR tree-optimization/70916
4677 * tree-if-conv.c: Include cfganal.h.
4678 (pass_if_conversion::execute): Call connect_infinite_loops_to_exit
4679 and remove_fake_exit_edges around the optimization pass.
4681 2016-05-03 Jan Hubicka <hubicka@ucw.cz>
4683 * cgraph.c (symbol_table::create_edge): Set inline_failed.
4684 (cgraph_edge::make_direct): Likewise.
4685 (cgraph_edge::dump_edge_flags): Dump call_stmt_cannot_inline_p.
4686 * cgraphclones.c (duplicate_thunk_for_node): Set inline_failed.
4687 * cif-code.def (CIF_LTO_MISMATCHED_DECLARATIONS): New code
4688 (CIF_THUNK): New code.
4689 * ipa-inline-analysis.c (initialize_inline_failed): Preserve
4690 CIF_FINAL_ERROR codes; do not deal with call_stmt_cannot_inline_p.
4691 (compute_inline_parameters): Set inline_failed for thunks.
4692 (inline_analyze_function): Cleanup.
4693 * ipa-inline.c (can_inline_edge_p): Do not deal with
4694 call_stmt_cannot_inline_p.
4695 (can_early_inline_edge_p): Likewise.
4696 (early_inliner): Initialize inline_failed.
4697 * lto-cgraph.c (lto_output_edge): Sanity check inline_failed.
4699 2016-05-03 Uros Bizjak <ubizjak@gmail.com>
4701 * config/i386/predicates.md (x87nonimm_ssenomem_operand): Rename
4702 from nonimm_ssenomem_operand.
4703 (nonimm_ssenomem_operand): New predicate.
4704 * config/i386/i386.md (extendsfdf2): Use nonimm_ssenomem_operand
4705 as operand 0 predicate.
4706 (*extendsfdf2): Merge from *extendsfdf2_mixed and *extendsfdf2_i387.
4707 Disable unsupported alternatives using "enabled" attribute.
4708 Use register_ssemem_operand as operand 0 predicate.
4709 (*fop_<mode>_1): Use x87nonimm_ssenomem_operand as operand 1 predicate.
4711 2016-05-03 Marek Polacek <polacek@redhat.com>
4714 * input.c (expansion_point_location): New function.
4715 * input.h (expansion_point_location): Declare.
4717 2016-05-03 Pierre-Marie de Rodat <derodat@adacore.com>
4719 * dwarf2out.c (resolve_args_picking_1): Replace the frame_offset
4720 occurence with frame_offset_ ones.
4722 2016-05-03 Alan Modra <amodra@gmail.com>
4724 PR rtl-optimization/70890
4725 * ira.c (combine_and_move_insns): When moving def_insn, remove
4728 2016-05-03 Dominik Vogt <vogt@linux.vnet.ibm.com>
4730 * config/s390/s390.md ("*r<noxa>sbg_<mode>_sll")
4731 ("*r<noxa>sbg_<mode>_srl"): New define_insns.
4732 ("*r<noxa>sbg_<mode>_srl_bitmask"): Rename by adding "_bitmask".
4733 ("*r<noxa>sbg_<mode>_sll_bitmask"): Likewise.
4735 2016-05-03 Alan Modra <amodra@gmail.com>
4737 * config/rs6000/rs6000.c (rs6000_savres_strategy): Correct condition
4738 for SAVE_MULTIPLE/STORE_MULTIPLE.
4740 2016-05-03 Jakub Jelinek <jakub@redhat.com>
4742 * config/i386/i386.md (*truncdfsf_mixed, *truncdfsf_i387,
4743 *truncxfsf2_mixed, *truncxfdf2_mixed): Use v constraint instead of x.
4745 2016-05-03 Richard Biener <rguenther@suse.de>
4747 * gimplify.h (get_initialized_tmp_var): Add allow_ssa parameter
4749 (gimplify_arg): Likewise.
4750 * gimplify.c (gimplify_expr): Add overload with allow_ssa parameter,
4751 re-writing the result to a decl if required.
4752 (internal_get_tmp_var): Add allow_ssa parameter
4753 and override into_ssa with it.
4754 (get_formal_tmp_var): Adjust.
4755 (get_initialized_tmp_var): Add allow_ssa parameter.
4756 (gimplify_arg): Add allow_ssa parameter and avoid generating
4757 SSA names for the result false.
4758 (gimplify_call_expr): If the call may return twice do not
4759 gimplify parameters into SSA.
4760 (prepare_gimple_addressable): Do not allow an SSA name as temporary.
4761 (gimplify_modify_expr): Adjust assert. For noreturn calls
4762 with a SSA name LHS adjust its def.
4763 (gimplify_save_expr): Do not allow an SSA name as save-expr result.
4764 (gimplify_one_sizepos): Do not allow an SSA name as a sizepos.
4765 (gimplify_body): Init GIMPLE SSA data structures and gimplify into-SSA.
4766 (gimplify_scan_omp_clauses): Make sure OMP_CLAUSE_SIZE is not
4767 an SSA name. Likewise for OMP_CLAUSE_REDUCTION operands.
4768 (gimplify_omp_for): Likewise for OMP_CLAUSE_DECL. Likewise
4769 for OMP_FOR_COND, OMP_FOR_INCR and OMP_CLAUSE_LINEAR_STEP.
4770 (optimize_target_teams): Do not allow SSA names for clause operands.
4771 (gimplify_expr): Likewise for where we mark the result addressable.
4772 * passes.def (pass_init_datastructures): Remove.
4773 * tree-into-ssa.c (mark_def_sites): Ignore existing SSA names.
4774 (rewrite_stmt): Likewise.
4775 * tree-inline.c (initialize_cfun): Properly transfer SSA state.
4776 (replace_locals_op): Replace SSA names.
4777 (copy_gimple_seq_and_replace_locals): Init src_cfun.
4778 * gimple-low.c (lower_builtin_setjmp): Deal with SSA.
4779 * cgraph.c (release_function_body): Free CFG annotations only
4780 when we have a CFG. Simplify.
4781 * gimple-fold.c (gimplify_and_update_call_from_tree): Use
4782 force_gimple_operand instead of get_initialized_tmp_var.
4783 * tree-pass.h (make_pass_init_datastructures): Remove.
4784 * tree-ssa.c (execute_init_datastructures): Remove.
4785 (pass_data_init_datastructures): Likewise.
4786 (class pass_init_datastructures): Likewise.
4787 (make_pass_init_datastructures): Likewise.
4788 * omp-low.c (create_omp_child_function): Init SSA data structures.
4789 (grid_expand_target_grid_body): Likewise.
4790 * tree-cfg.c (move_block_to_fn): Double-check the DEF is an SSA
4791 name before adding it to names_to_release.
4792 (remove_bb): Always release SSA defs.
4793 * tree-ssa-ccp.c (get_default_value): Check SSA_NAME_VAR
4794 before dereferencing it.
4795 * cgraphunit.c (init_lowered_empty_function): Always
4796 int SSA data structures.
4797 * tree-ssanames.c (release_defs): Remove assert that we are in
4799 * trans-mem.c (diagnose_tm_1): Handle SSA name function.
4801 2016-05-03 Jakub Jelinek <jakub@redhat.com>
4802 Uros Bizjak <ubizjak@gmail.com>
4804 PR rtl-optimization/70467
4805 * config/i386/predicates.md (x86_64_hilo_int_operand,
4806 x86_64_hilo_general_operand): New predicates.
4807 * config/i386/constraints.md (Wd): New constraint.
4808 * config/i386/i386.md (mode attr di): Use Wd instead of e.
4809 (general_hilo_operand): New mode attr.
4810 (add<mode>3, sub<mode>3): Use <general_hilo_operand>
4811 instead of <general_operand>.
4812 (*add<dwi>3_doubleword, *sub<dwi>3_doubleword): Use
4813 x86_64_hilo_general_operand instead of <general_operand>.
4815 2016-05-03 Jakub Jelinek <jakub@redhat.com>
4817 PR tree-optimization/70916
4818 * tree-if-conv.c (constant_or_ssa_name): Removed.
4819 (fold_build_cond_expr): Use is_gimple_val instead of
4820 constant_or_ssa_name.
4822 PR tree-optimization/70916
4823 * tree-vect-patterns.c (vect_recog_mask_conversion_pattern): Give up
4824 if COND_EXPR rhs1 is neither SSA_NAME nor COMPARISON_CLASS_P.
4827 * tree-ssa-ccp.c: Include stor-layout.h and optabs-query.h.
4828 (optimize_atomic_bit_test_and): New function.
4829 (pass_fold_builtins::execute): Use it.
4830 * optabs.def (atomic_bit_test_and_set_optab,
4831 atomic_bit_test_and_complement_optab,
4832 atomic_bit_test_and_reset_optab): New optabs.
4833 * internal-fn.def (ATOMIC_BIT_TEST_AND_SET,
4834 ATOMIC_BIT_TEST_AND_COMPLEMENT, ATOMIC_BIT_TEST_AND_RESET): New ifns.
4835 * builtins.h (expand_ifn_atomic_bit_test_and): New prototype.
4836 * builtins.c (expand_ifn_atomic_bit_test_and): New function.
4837 * internal-fn.c (expand_ATOMIC_BIT_TEST_AND_SET,
4838 expand_ATOMIC_BIT_TEST_AND_COMPLEMENT,
4839 expand_ATOMIC_BIT_TEST_AND_RESET): New functions.
4840 * doc/md.texi (atomic_bit_test_and_set@var{mode},
4841 atomic_bit_test_and_complement@var{mode},
4842 atomic_bit_test_and_reset@var{mode}): Document.
4843 * config/i386/sync.md (atomic_bit_test_and_set<mode>,
4844 atomic_bit_test_and_complement<mode>,
4845 atomic_bit_test_and_reset<mode>): New expanders.
4846 (atomic_bit_test_and_set<mode>_1,
4847 atomic_bit_test_and_complement<mode>_1,
4848 atomic_bit_test_and_reset<mode>_1): New insns.
4850 2016-05-03 Richard Sandiford <richard.sandiford@arm.com>
4852 PR rtl-optimization/70687
4853 * combine.c (change_zero_ext): Check for scalar modes. Use wide_int
4854 instead of unsigned HOST_WIDE_INT.
4856 2016-05-03 Bernd Schmidt <bschmidt@redhat.com>
4858 PR rtl-optimization/44281
4859 * hard-reg-set.h (struct target_hard_regs): New field
4860 x_fixed_nonglobal_reg_set.
4861 (fixed_nonglobal_reg_set): New macro.
4862 * reginfo.c (init_reg_sets_1): Initialize it.
4863 * ira.c (setup_alloc_regs): Use fixed_nonglobal_reg_set instead
4865 * df-scan.c (df_insn_refs_collect): Asms may reference global regs.
4867 2016-05-03 Bin Cheng <bin.cheng@arm.com>
4869 PR tree-optimization/56541
4870 * doc/invoke.texi (@item max-tree-if-conversion-phi-args): New item.
4871 * params.def (PARAM_MAX_TREE_IF_CONVERSION_PHI_ARGS): new param.
4872 * tree-if-conv.c (MAX_PHI_ARG_NUM): new macro.
4873 (any_complicated_phi): new static variable.
4874 (aggressive_if_conv): delete.
4875 (if_convertible_phi_p): support phis with more than two arguments.
4876 (if_convertible_bb_p): remvoe check on aggressive_if_conv and
4877 critical pred edges.
4878 (ifcvt_split_critical_edges): support phis with more than two
4879 arguments by checking new parameter. only split critical edges
4881 (tree_if_conversion): handle simd pragma marked loop using new
4882 local variable aggressive_if_conv. check any_complicated_phi.
4884 2016-05-03 Bin Cheng <bin.cheng@arm.com>
4886 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Check depends_on
4889 2016-05-03 Bin Cheng <bin.cheng@arm.com>
4891 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Don't clobber
4894 2016-05-03 Oleg Endo <olegendo@gcc.gnu.org>
4896 * config/sh/sh.md (udivsi3, divsi3, mulsi3): Simplify.
4897 (mulhisi3, umulhisi3, (smulsi3_highpart, umulsi3_highpart): Convert to
4898 define_insn_and_split.
4899 (mulsi3_i): New define_insn_and_split.
4900 (mulsi3_call): Convert to define_insn.
4901 (mulsidi3, mulsidi3_compact, umulsidi3, umulsidi3_compact):
4904 2016-05-02 Michael Meissner <meissner@linux.vnet.ibm.com>
4906 * machmode.h (mode_complex): Add support to give the complex mode
4908 (GET_MODE_COMPLEX_MODE): Likewise.
4909 * stor-layout.c (layout_type): For COMPLEX_TYPE, use the mode
4910 stored by build_complex_type and gfc_build_complex_type instead of
4911 trying to figure out the appropriate mode based on the size. Raise
4912 an assertion error, if the type was not set.
4913 * genmodes.c (struct mode_data): Add field for the complex type of
4915 (blank_mode): Likewise.
4916 (make_complex_modes): Remember the complex mode created in the
4918 (emit_mode_complex): Write out the mode_complex array to map a
4919 type mode to the complex version.
4920 (emit_insn_modes_c): Likewise.
4921 * tree.c (build_complex_type): Set the complex type to use before
4922 calling layout_type.
4923 * config/rs6000/rs6000.c (rs6000_hard_regno_nregs_internal): Add
4924 support for __float128 complex datatypes.
4925 (rs6000_hard_regno_mode_ok): Likewise.
4926 (rs6000_setup_reg_addr_masks): Likewise.
4927 (rs6000_complex_function_value): Likewise.
4928 * config/rs6000/rs6000.h (FLOAT128_IEEE_P): Likewise.
4929 __float128 and __ibm128 complex.
4930 (FLOAT128_IBM_P): Likewise.
4931 (ALTIVEC_ARG_MAX_RETURN): Likewise.
4932 * doc/extend.texi (Additional Floating Types): Document that
4933 -mfloat128 must be used to enable __float128. Document complex
4934 __float128 and __ibm128 support.
4936 2016-05-02 Jakub Jelinek <jakub@redhat.com>
4939 * gimple.c (gimple_builtin_call_types_compatible_p): Allow
4940 char/short arguments promoted to int because of promote_prototypes.
4942 2016-05-02 Uros Bizjak <ubizjak@gmail.com>
4944 * config/i386/predicates.md (register_ssemem_operand): New predicate.
4945 * config/i386/i386.md (*cmpi<FPCMP:unord><MODEF:mode>): Merge from
4946 *cmpi<FPCMP:unord><MODEF:mode>_mixed and
4947 *cmpi<FPCMP:unord><X87MODEF:mode>_i387. Disable unsupported
4948 alternatives using "enabled" attribute. Use register_ssemem_operand
4949 as operand 1 predicate.
4950 (*cmpi<unord>xf_i387): Split XFmode pattern from
4951 *cmpi<FPCMP:unord><X87MODEF:mode>_i387.
4952 (*absneg<mode>2): Merge from *absneg<mode>2_mixed and
4953 *absneg<mode>2_i387. Disable unsupported alternatives using
4954 "enabled" attribute.
4955 (*absnegxf2_i387): Split XFmode pattern from *absneg<mode>2_i387.
4957 2016-05-02 Nathan Sidwell <nathan@codesourcery.com>
4959 * omp-low.c (lower_oacc_head_tail): Assert there is at least one
4961 (oacc_loop_process): Check mask for loop termination.
4963 2016-05-02 Jan Hubicka <hubicka@ucw.cz>
4965 * cif-code.def (CIF_THUNK): Add.
4966 * ipa-inline-analsysis.c (evaluate_conditions_for_known_args): Revert
4969 2016-05-02 Jan Hubicka <hubicka@ucw.cz>
4971 * ipa-inline-analysis.c (reset_inline_summary): Clear fp_expressions
4972 (dump_inline_summary): Dump it.
4973 (fp_expression_p): New predicate.
4974 (estimate_function_body_sizes): Use it.
4975 (inline_merge_summary): Merge fp_expressions.
4976 (inline_read_section): Read fp_expressions.
4977 (inline_write_summary): Write fp_expressions.
4978 * ipa-inline.c (can_inline_edge_p): Permit inlining across fp math
4979 codegen boundary if either caller or callee is !fp_expressions.
4980 * ipa-inline.h (inline_summary): Add fp_expressions.
4981 * ipa-inline-transform.c (inline_call): When inlining !fp_expressions
4982 to fp_expressions be sure the fp generation flags are updated.
4984 2016-05-02 Jakub Jelinek <jakub@redhat.com>
4986 PR rtl-optimization/70467
4987 * cse.c (cse_insn): Handle no-op MEM moves after folding.
4989 PR rtl-optimization/70467
4990 * ipa-pure-const.c (check_call): Handle internal calls even in
4991 ipa mode like in local mode.
4993 2016-05-02 Bernd Edlinger <bernd.edlinger@hotmail.de>
4995 * doc/install.texi: Document supported in-tree gmp/mpfr/mpc versions.
4997 2016-05-02 Marc Glisse <marc.glisse@inria.fr>
4999 * match.pd (X u< X, X u> X): New transformations.
5001 2016-05-02 Marc Glisse <marc.glisse@inria.fr>
5003 * flag-types.h (enum warn_strict_overflow_code): Move ...
5004 * coretypes.h: ... here.
5005 * fold-const.h (fold_overflow_warning): Declare.
5006 * fold-const.c (fold_overflow_warning): Make non-static.
5007 (fold_comparison): Move the transformation of X +- C1 CMP C2
5008 into X CMP C2 -+ C1 ...
5009 * match.pd: ... here.
5010 * gimple-fold.c (fold_stmt_1): Protect with
5011 fold_defer_overflow_warnings.
5013 2016-05-02 Nathan Sidwell <nathan@codesourcery.com>
5015 * omp-low.c (struct oacc_loop): Add 'inner' field.
5016 (new_oacc_loop_raw): Initialize it to zero.
5017 (oacc_loop_fixed_partitions): Initialize it.
5018 (oacc_loop_auto_partitions): Partition outermost loop to outermost
5019 available partitioning.
5021 2016-05-02 Claudiu Zissulescu <claziss@synopsys.com>
5023 * config/arc/arc.md (mulsidi3): Change operand 0 predicate to
5025 (umulsidi3): Likewise.
5026 (indirect_jump): Fix jump instruction assembly patterns.
5028 2016-05-02 Thomas Schwinge <thomas@codesourcery.com>
5031 * config/nvptx/nvptx.c (nvptx_libcall_value): Handle NULL cfun.
5032 (nvptx_function_value): Assert non-NULL cfun.
5034 2016-05-02 Eric Botcazou <ebotcazou@adacore.com>
5036 PR rtl-optimization/70886
5037 * sched-deps.c (estimate_dep_weak): Canonicalize cselib values.
5039 * cselib.h (rtx_equal_for_cselib_1): Declare.
5040 (rtx_equal_for_cselib_p: New inline function.
5041 * cselib.c (rtx_equal_for_cselib_p): Delete.
5042 (rtx_equal_for_cselib_1): Make public.
5044 2016-05-02 Uros Bizjak <ubizjak@gmail.com>
5046 * config/i386/predicates.md (nonimm_ssenomem_operand): New predicate.
5047 (register_mixssei387nonimm_operand): Remove predicate.
5048 * config/i386/i386.md (*fop_<mode>_comm): Merge from
5049 *fop_<mode>_comm_mixed and *fop_<mode>_comm_i387. Disable unsupported
5050 alternatives using "enabled" attribute. Also check X87_ENABLE_ARITH
5051 for TARGET_MIX_SSE_I387 alternatives.
5052 (*fop_<mode>_1): Merge from *fop_<mode>_1_mixed and *fop_<mode>_1_i387.
5053 Disable unsupported alternatives using "enabled" attribute. Use
5054 nonimm_ssenomem_operand as operand 1 predicate. Also check
5055 X87_ENABLE_ARITH for TARGET_MIX_SSE_I387 alternatives.
5057 2016-05-02 Richard Sandiford <richard.sandiford@arm.com>
5059 * tree.c (cst_and_fits_in_hwi): Simplify.
5061 2016-05-02 Richard Sandiford <richard.sandiford@arm.com>
5063 * tree.h (wi::to_wide): New function.
5064 * expr.c (expand_expr_real_1): Use wi::to_wide.
5065 * fold-const.c (int_const_binop_1): Likewise.
5066 (extract_muldiv_1): Likewise.
5068 2016-05-02 Richard Sandiford <richard.sandiford@arm.com>
5070 * wide-int.h: Update offset_int and widest_int documentation.
5071 (WI_SIGNED_SHIFT_RESULT): New macro.
5072 (wi::binary_shift): Define signed_shift_result_type for
5073 shifts on offset_int- and widest_int-like types.
5074 (generic_wide_int): Support <<= and >>= if << and >> are supported.
5075 * tree.h (int_bit_position): Use shift operators instead of wi::
5077 * alias.c (adjust_offset_for_component_ref): Likewise.
5078 * expr.c (get_inner_reference): Likewise.
5079 * fold-const.c (fold_comparison): Likewise.
5080 * gimple-fold.c (fold_nonarray_ctor_reference): Likewise.
5081 * gimple-ssa-strength-reduction.c (restructure_reference): Likewise.
5082 * tree-dfa.c (get_ref_base_and_extent): Likewise.
5083 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Likewise.
5084 (stmt_kills_ref_p): Likewise.
5085 * tree-ssa-ccp.c (bit_value_binop_1): Likewise.
5086 * tree-ssa-math-opts.c (find_bswap_or_nop_load): Likewise.
5087 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
5088 (ao_ref_init_from_vn_reference): Likewise.
5090 2016-05-02 Richard Sandiford <richard.sandiford@arm.com>
5092 * wide-int.h: Update offset_int and widest_int documentation.
5093 (WI_SIGNED_BINARY_PREDICATE_RESULT): New macro.
5094 (wi::binary_traits): Allow ordered comparisons between offset_int and
5095 offset_int, between widest_int and widest_int, and between either
5096 of these types and basic C types.
5097 (operator <, <=, >, >=): Define for the same combinations.
5098 * tree.h (tree_int_cst_lt): Use comparison operators instead
5099 of wi:: comparisons.
5100 (tree_int_cst_le): Likewise.
5101 * gimple-fold.c (fold_array_ctor_reference): Likewise.
5102 (fold_nonarray_ctor_reference): Likewise.
5103 * gimple-ssa-strength-reduction.c (record_increment): Likewise.
5104 * tree-affine.c (aff_comb_cannot_overlap_p): Likewise.
5105 * tree-parloops.c (try_transform_to_exit_first_loop_alt): Likewise.
5106 * tree-sra.c (completely_scalarize): Likewise.
5107 * tree-ssa-alias.c (stmt_kills_ref_p): Likewise.
5108 * tree-ssa-reassoc.c (extract_bit_test_mask): Likewise.
5109 * tree-vrp.c (extract_range_from_binary_expr_1): Likewise.
5110 (check_for_binary_op_overflow): Likewise.
5111 (search_for_addr_array): Likewise.
5112 * ubsan.c (ubsan_expand_objsize_ifn): Likewise.
5114 2016-05-02 Claudiu Zissulescu <claziss@synopsys.com>
5116 * config/arc/arc.c (arc_preferred_simd_mode): Remove enum keyword.
5117 (arc_save_restore): Likewise.
5118 (arc_dwarf_register_span): Likewise.
5119 (arc_output_pic_addr_const): Initialize suffix variable.
5121 2016-05-02 Martin Liska <mliska@suse.cz>
5123 * symbol-summary.h (function_summary::function_summary):
5124 Remove checking assert for all cgraph nodes.
5125 (function_summary::get): Check summary_uid.
5126 (symtab_insertion): Check summary_uid.
5128 2016-05-02 Claudiu Zissulescu <claziss@synopsys.com>
5130 * config/arc/arc-protos.h (compact_memory_operand_p): Declare.
5131 * config/arc/arc.c (arc_output_commutative_cond_exec): Consider
5133 (arc_dwarf_register_span): Remove enum keyword.
5134 (compact_memory_operand_p): New function.
5135 * config/arc/arc.h (reg_class): Add code density register classes.
5136 (REG_CLASS_NAMES): Likewise.
5137 (REG_CLASS_CONTENTS): Likewise.
5138 * config/arc/arc.md (*movqi_insn): Add code density instructions.
5139 (*movhi_insn, *movsi_insn, *movsf_insn): Likewise.
5140 (*extendhisi2_i, andsi3_i, cmpsi_cc_insn_mixed): Likewise.
5141 (*cmpsi_cc_c_insn, *movsi_ne): Likewise.
5142 * config/arc/constraints.md (C2p, Uts, Cm1, Cm3, Ucd): New
5144 (h, Rcd, Rsd, Rzd): New register constraints.
5145 (T): Use compact_memory_operand_p function.
5146 * config/arc/predicates.md (compact_load_memory_operand): Remove.
5148 2016-05-02 Oleg Endo <olegendo@gcc.gnu.org>
5150 * config/sh/sh.md (*negnegt, *movtt): Remove.
5152 2016-05-02 Marek Polacek <polacek@redhat.com>
5153 Tom de Vries <tom@codesourcery.com>
5155 PR tree-optimization/70700
5156 * tree-ssa-structalias.c (dump_pred_graph): Fix getting varinfo for ids
5157 bigger than FIRST_REF_NODE.
5159 2016-05-02 Oleg Endo <olegendo@gcc.gnu.org>
5162 * config/sh/sh.c (sh_option_override): Remove TARGET_CBRANCHDI4,
5164 (prepare_cbranch_operands): Don't use scratch register. Assume that
5165 function is used when pseudos can be created.
5166 (expand_cbranchdi4): Likewise. Remove unused TARGET_CMPEQDI_T paths.
5167 * config/sh/sh.md (cbranchsi4): Allow only when pseudos can be created.
5168 (cbranchdi4, cbranchdi4_i): Simplify to single cbranchdi4
5169 define_expand. Allow it only when pseudos can be created.
5170 * config/sh/sh.opt (mcbranchdi, mcmpeqdi): Delete.
5172 2016-05-01 Uros Bizjak <ubizjak@gmail.com>
5174 * config/i386/constraints.md (BC): Only allow -1 operands.
5175 * config/i386/sse.md (mov<mode>_internal): Add (v,C) alternative.
5176 Add "enabled" attribute. Update XI mode attribute calculation.
5177 * config/i386/i386.md (*movxi_internal_avx512f): Add (v,C) alternative.
5178 (*movoi_internal_avx): Update XI mode attribute calculation.
5179 (*movti_internal): Ditto.
5181 2016-05-01 Oleg Endo <olegendo@gcc.gnu.org>
5183 * config/sh/sh.md (push, pop, ic_invalidate_line, cstoresi4, cstoredi4,
5184 cstoresf4, cstoredf4, fix_truncsfsi2): Remove constraints.
5186 2016-05-01 Eric Botcazou <ebotcazou@adacore.com>
5188 * config/rs6000/rs6000.c (altivec_expand_lv_builtin): Do not use switch
5189 statement on instruction code. Remove trailing spaces.
5190 (altivec_expand_stv_builtin): Likewise.
5192 2016-05-01 Oleg Endo <olegendo@gcc.gnu.org>
5194 * config/sh/sh.h (TARGET_SH4): Remove and use default implementation.
5195 (TARGET_FPU_DOUBLE): Simplify.
5196 (BASE_ARG_REG, DOUBLE_TYPE_SIZE, OPTIMIZE_MODE_SWITCHING): Replace
5197 'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions with 'TARGET_FPU_DOUBLE'.
5198 * config/sh/sh.c: Replace 'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions
5199 with 'TARGET_FPU_DOUBLE'.
5200 * config/sh/sh.md: Likewise.
5202 2016-05-01 Yoshinori Sato <ysato@users.sourceforge.jp>
5204 * config/sh/linux.h (SH_DIV_STRATEGY_DEFAULT,
5205 SH_DIV_STR_FOR_SIZE): Remove.
5206 * config/sh/netbsd-elf.h (SH_DIV_STRATEGY_DEFAULT,
5207 SH_DIV_STR_FOR_SIZE): Remove.
5209 2016-05-01 Oleg Endo <olegendo@gcc.gnu.org>
5211 * config/sh/predicates.md (any_register_operand, zero_extend_operand,
5212 logical_reg_operand): Delete.
5213 (arith_operand, arith_reg_dest, arith_or_int_operand, cmpsi_operand,
5214 arith_reg_or_0_operand, arith_reg_or_0_or_1_operand, logical_operand,
5215 logical_and_operand, movsrc_no_disp_mem_operand): Rewrite using
5216 match_operand and match_test.
5217 (sh_const_vec, sh_1el_vec): Remove redundant checks. Declare local
5218 variables on their first use. Return bool values.
5219 * config/sh/sh.h (LOAD_EXTEND_OP): Update comment.
5220 * config/sh/sh.md (andsi3, iorsi3): Use arith_reg_dest for result and
5221 arith_reg_operand for input operand. Remove empty constraints.
5223 (*xorsi3_compact): Rename to xorsi3.
5224 (zero_extend<mode>si2): Use arith_reg_operand for input operand.
5225 (*zero_extend<mode>si2_disp_mem): Update comment.
5228 2016-04-30 Oleg Endo <olegendo@gcc.gnu.org>
5230 * config/sh/t-sh: Remove SH5 support.
5231 * config.gcc: Likewise.
5232 * configure: Likewise.
5234 2016-04-30 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5236 * config/darwin.h (LINK_COMMAND_SPEC_A): Handle -fcilkplus.
5238 2016-04-30 Oleg Endo <olegendo@gcc.gnu.org>
5240 * config/sh/sh.c (register_sh_passes, sh_option_override,
5241 sh_print_operand, prepare_move_operands,
5242 sh_can_follow_jump): Remove TARGET_SH1 checks.
5243 * config/sh/sh.h (TARGET_VARARGS_PRETEND_ARGS, VALID_REGISTER_P,
5244 PROMOTE_MODE): Likewise.
5245 * config/sh/sh.md (adddi3, addsi3, subdi3, subsi3, andsi3,
5248 2016-04-30 Alan Modra <amodra@gmail.com>
5250 * config/rs6000/rs6000.c (rs6000_savres_strategy): Force inline
5251 restoring when fixed_reg_p, but allow out-of-line or stmw save.
5252 Check for user regs later to avoid unnecessary looping over regs.
5253 Merge user reg check with non-saved reg check. Don't force
5254 inline VR restore when static chain used.
5255 (rs6000_frame_related): Omit eh_frame info for user regs when
5257 (fixed_regs_p): Delete.
5259 2016-04-30 Alan Modra <amodra@gmail.com>
5261 * config/rs6000/rs6000.c (SAVRES_MULTIPLE): Replace with..
5262 (SAVE_STRATEGY, REST_STRATEGY): ..this. Renumber and sort enum.
5265 2016-04-30 Alan Modra <amodra@gmail.com>
5268 * config/rs6000/rs6000.c (fixed_reg_p): New function.
5269 (fixed_regs_p): Rename from global_regs_p. Call fixed_reg_p.
5272 2016-04-30 Alan Modra <amodra@gmail.com>
5274 * config/rs6000/rs6000.c (rs6000_conditional_register_usage):
5275 Remove redundant PIC_OFFSET_TABLE_REGNUM test. Replace with
5276 flag_pic test for Darwin.
5278 2016-04-30 Alan Modra <amodra@gmail.com>
5280 * regs.h (struct reg_info_t): Delete freq_calls_crossed and
5281 throw_calls_crossed.
5282 (REG_FREQ_CALLS_CROSSED): Delete.
5283 (REG_N_THROWING_CALLS_CROSSED): Delete.
5284 * regstat.c (regstat_bb_compute_ri): Don't calculate
5285 REG_FREQ_CALLS_CROSSED and REG_N_THROWING_CALLS_CROSSED.
5286 (dump_reg_info): Don't print call cross frequency.
5287 * ira.c (combine_and_move_insns): Don't set REG_FREQ_CALLS_CROSSED
5288 and REG_N_THROWING_CALLS_CROSSED.
5290 2016-04-30 Alan Modra <amodra@gmail.com>
5292 * regs.h (struct reg_info_t): Delete live_length.
5293 (REG_LIVE_LENGTH): Delete macro.
5294 * regstat.c (regstat_bb_compute_ri): Delete artificial_uses,
5295 local_live, local_processed and local_live_last_luid params.
5296 Replace bb_index param with bb. Don't set REG_LIVE_LENGTH.
5298 (regstat_compute_ri): Adjust for above. Don't set
5300 (dump_reg_info): Don't print live length.
5301 * ira.c (update_equiv_regs): Replace test of REG_LIVE_LENGTH
5302 with test of setjmp_crosses. Don't set REG_LIVE_LENGTH.
5303 Localize loop_depth var.
5305 2016-04-30 Alan Modra <amodra@gmail.com>
5307 * ira.c (enum valid_equiv): New.
5308 (validate_equiv_mem): Return enum.
5309 (update_equiv_mem): Create replacement in more cases.
5310 (add_store_equivs): Update validate_equiv_mem call.
5312 2016-04-30 Alan Modra <amodra@gmail.com>
5314 * ira.c (combine_and_move_insns): Rather than scanning insns,
5315 use DF infrastucture to find use and def insns.
5317 2016-04-30 Alan Modra <amodra@gmail.com>
5319 ira.c (combine_and_move_insns): Move invariant conditions..
5320 (ira.c): ..to here. Call combine_and_move_insns before
5321 add_store_equivs. Call grow_reg_equivs later. Allocate
5322 req_equiv later using max_reg_num() rather than global max_regno.
5323 (contains_replace_regs): Delete.
5324 (add_store_equivs): Remove contains_replace_regs test.
5326 2016-04-30 Alan Modra <amodra@gmail.com>
5328 * ira.c (struct equiv_mem_data): New.
5329 (equiv_mem, equiv_mem_modified): Delete static vars.
5330 (validate_equiv_mem_from_store): Use "data" param to communicate..
5331 (validate_equiv_mem): ..from here.
5333 2016-04-30 Alan Modra <amodra@gmail.com>
5335 * ira.c (add_store_equivs, combine_and_move_insns): New functions,
5337 (update_reg_equivs): ..here. Move allocation and freeing of
5338 reg_equiv, and calls to grow_reg_equivs, init_alias_analysis,
5339 end_alias_analysis to..
5342 2016-04-30 Alan Modra <amodra@gmail.com>
5344 * ira.c (pdx_subregs): Delete.
5345 (struct equivalence): Add pdx_subregs field.
5346 (set_paradoxical_subreg): Remove pdx_subregs param. Update
5348 (update_equiv_regs): Don't create or free pdx_subregs. Update
5351 2016-04-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
5353 * config/rs6000/altivec.h: Change definitions of vec_xl and
5355 * config/rs6000/rs6000-builtin.def (LD_ELEMREV_V2DF): New.
5356 (LD_ELEMREV_V2DI): New.
5357 (LD_ELEMREV_V4SF): New.
5358 (LD_ELEMREV_V4SI): New.
5359 (LD_ELEMREV_V8HI): New.
5360 (LD_ELEMREV_V16QI): New.
5361 (ST_ELEMREV_V2DF): New.
5362 (ST_ELEMREV_V2DI): New.
5363 (ST_ELEMREV_V4SF): New.
5364 (ST_ELEMREV_V4SI): New.
5365 (ST_ELEMREV_V8HI): New.
5366 (ST_ELEMREV_V16QI): New.
5369 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
5370 descriptions for VSX_BUILTIN_VEC_XL and VSX_BUILTIN_VEC_XST.
5371 * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Map from
5372 TARGET_P9_VECTOR to RS6000_BTM_P9_VECTOR.
5373 (altivec_expand_builtin): Add handling for
5374 VSX_BUILTIN_ST_ELEMREV_<MODE> and VSX_BUILTIN_LD_ELEMREV_<MODE>.
5375 (rs6000_invalid_builtin): Add error-checking for
5376 RS6000_BTM_P9_VECTOR.
5377 (altivec_init_builtins): Define builtins used to implement vec_xl
5379 (rs6000_builtin_mask_names): Define power9-vector.
5380 * config/rs6000/rs6000.h (MASK_P9_VECTOR): Define.
5381 (RS6000_BTM_P9_VECTOR): Define.
5382 (RS6000_BTM_COMMON): Include RS6000_BTM_P9_VECTOR.
5383 * config/rs6000/vsx.md (vsx_ld_elemrev_v2di): New define_insn.
5384 (vsx_ld_elemrev_v2df): Likewise.
5385 (vsx_ld_elemrev_v4sf): Likewise.
5386 (vsx_ld_elemrev_v4si): Likewise.
5387 (vsx_ld_elemrev_v8hi): Likewise.
5388 (vsx_ld_elemrev_v16qi): Likewise.
5389 (vsx_st_elemrev_v2df): Likewise.
5390 (vsx_st_elemrev_v2di): Likewise.
5391 (vsx_st_elemrev_v4sf): Likewise.
5392 (vsx_st_elemrev_v4si): Likewise.
5393 (vsx_st_elemrev_v8hi): Likewise.
5394 (vsx_st_elemrev_v16qi): Likewise.
5395 * doc/extend.texi: Add prototypes for vec_xl and vec_xst. Correct
5398 2016-04-29 Patrick Palka <ppalka@gcc.gnu.org>
5400 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Split
5402 (simplify_control_stmt_condition_1): ... here. Recurse into
5403 BIT_AND_EXPRs and BIT_IOR_EXPRs.
5405 2016-04-29 David Edelsohn <dje.gcc@gmail.com>
5408 * config/rs6000/rs6000.md (EXTQI): Don't allow extension to HImode.
5409 (zero_extendqi<mode>2_dot): Revert earlier conversion from
5410 define_insn_and_split to define_insn.
5411 (zero_extendqi<mode>2_dot2): Same.
5412 (extendqi<mode>2_dot): Same.
5413 (extendqi<mode>2_dot2): Same.
5415 2016-04-29 Uros Bizjak <ubizjak@gmail.com>
5417 * config/i386/i386.md (unspec): Add UNSPEC_PROBE_STACK.
5418 (probe_stack): New expander.
5419 (probe_stack_<mode>): New insn pattern.
5421 2016-04-29 Uros Bizjak <ubizjak@gmail.com>
5423 * config/i386/i386.md
5424 (operations with memory inputs setting flags peephole2):
5425 Remove uneeded REG_P checks. Cleanup pattern generation.
5427 2016-04-29 Ilya Enkovich <ilya.enkovich@intel.com>
5429 * tree-vect-loop.c (vect_transform_loop): Fix
5430 nb_iterations_upper_bound computation for vectorized loop.
5432 2016-04-29 Marek Polacek <polacek@redhat.com>
5433 Jakub Jelinek <jakub@redhat.com>
5436 * fold-const.c (tree_single_nonzero_warnv_p): For TARGET_EXPR, use
5437 TARGET_EXPR_SLOT as a base.
5439 2016-04-29 Andrew Burgess <andrew.burgess@embecosm.com>
5441 * config/arc/arc.md (*loadqi_update): Replace use of 'rI' constraint
5442 with 'rCm2' constraints to limit possible immediate size.
5443 (*load_zeroextendqisi_update): Likewise.
5444 (*load_signextendqisi_update): Likewise.
5445 (*loadhi_update): Likewise.
5446 (*load_zeroextendhisi_update): Likewise.
5447 (*load_signextendhisi_update): Likewise.
5448 (*loadsi_update): Likewise.
5449 (*loadsf_update): Likewise.
5451 2016-04-29 Uros Bizjak <ubizjak@gmail.com>
5453 * config/i386/predicates.md (constm1_operand): Fix comparison.
5455 2016-04-29 Claudiu Zissulescu <claziss@synopsys.com>
5457 * testsuite/gcc.target/arc/ieee_eq.c: New test.
5459 2016-04-29 Oleg Endo <olegendo@gcc.gnu.org>
5461 * common/config/sh/sh-common.c (sh_option_optimization_table): Remove
5462 remaining SH5 related settings.
5463 * config/sh/sh-protos.h (shmedia_cleanup_truncate,
5464 shmedia_prepare_call_address): Delete.
5465 * config/sh/sh.c (sh_print_operand, output_stack_adjust,
5466 DWARF_CIE_DATA_ALIGNMENT, LOCAL_ALIGNMENT): Update comments.
5467 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC,
5468 UNSUPPORTED_SH2A): Remove m5 checks.
5469 (sh_divide_strategy_e): Remove SH5 division strategies.
5470 (TARGET_PTRMEMFUNC_VBIT_LOCATION): Remove and use default.
5471 * config/sh/sh.md (divsf3): Reinstate define_expand pattern.
5473 2016-04-29 Dominik Vogt <vogt@linux.vnet.ibm.com>
5475 * config/s390/s390.c (s390_rtx_costs): Update documentation.
5477 2016-04-29 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
5479 * config/s390/2964.md ("z13_unit_fxu", "z13_0"): Remove lder.
5480 * config/s390/s390.md ("movsi_larl", "*movsi_esa", "mov<mode>"):
5482 * config/s390/vector.md ("mov<mode>"): Likewise.
5484 2016-04-29 Ulrich Weigand <uweigand@de.ibm.com>
5486 * config/s390/constraints.md ("U", "W"): Invoke
5487 s390_mem_constraint with "ZR" and "ZT".
5488 * config/s390/s390.c (s390_check_qrst_address): Reject invalid
5489 addresses when using LRA. Accept also short displacements for S
5490 and T constraints. Do not check for long displacement target for
5491 S and T constraints.
5492 (s390_mem_constraint): Remove handling of U and W constraints.
5493 * config/s390/s390.md (various patterns): Remove the short
5494 displacement constraints (Q and R) if a long displacement
5495 constraint is present. Add longdisp as required CPU capability.
5496 * config/s390/vector.md: Likewise.
5497 * config/s390/vx-builtins.md: Likewise.
5499 2016-04-29 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
5502 * reload1.c (reload): Call finish_spills before
5503 restarting reload loop. Skip select_reload_regs
5504 if update_eliminables_and_spill returns true.
5506 2016-04-29 Claudiu Zissulescu <claziss@synopsys.com>
5508 * config/arc/arc.h (UNSIGNED_INT12, UNSIGNED_INT16): Define.
5509 * config/arc/arc.md (umulhisi3): Use arc_short_operand predicate.
5510 (umulhisi3_imm): Update predicates and constraint letters.
5511 (umulhisi3_reg): Declare instruction as commutative.
5512 * config/arc/constraints.md (J12, J16): New constraints.
5513 * config/arc/predicates.md (short_unsigned_const_operand): New
5515 (arc_short_operand): Likewise.
5516 * testsuite/gcc.target/arc/umulsihi3_z.c: New file.
5518 2016-04-29 Richard Biener <rguenther@suse.de>
5520 PR tree-optimization/13962
5521 PR tree-optimization/65686
5522 * tree-ssa-alias.h (ptrs_compare_unequal): Declare.
5523 * tree-ssa-alias.c (ptrs_compare_unequal): New function
5524 using PTA to compare pointers.
5525 * match.pd: Add pattern for pointer equality compare simplification
5526 using ptrs_compare_unequal.
5528 2016-04-29 Richard Biener <rguenther@suse.de>
5530 * stor-layout.c (layout_type): Do not build a pointer-to-element
5533 2016-04-29 Uros Bizjak <ubizjak@gmail.com>
5535 * config/i386/i386.md (Load+RegOp to Mov+MemOp peephole2):
5536 Use SWI mode iterator. Use general_reg_operand predicate.
5537 (Load+RegOp to Mov+MemOp peephole2 with vector regs): Split
5538 peephole to MMX and SSE part. Use mmx_reg_operand and sse_reg_operand
5541 2016-04-29 Jakub Jelinek <jakub@redhat.com>
5544 * fold-const.c (operand_equal_p): Don't verify hash value equality
5546 * tree.c (inchash::add_expr): Handle STATEMENT_LIST. Ignore BLOCK
5549 2016-04-28 Jakub Jelinek <jakub@redhat.com>
5552 * config/i386/i386.c (bdesc_special_args): Add | OPTION_MASK_ISA_64BIT
5553 to __builtin_ia32_lwpval64 and __builtin_ia32_lwpins64.
5554 (bdesc_args): Add | OPTION_MASK_ISA_64BIT to __builtin_ia32_bextr_u64,
5555 __builtin_ia32_bextri_u64, __builtin_ia32_bzhi_di,
5556 __builtin_ia32_pdep_di and __builtin_ia32_pext_di.
5558 2016-04-28 Segher Boessenkool <segher@kernel.crashing.org>
5560 * config/rs6000/rs6000.c (compute_save_world_info): Rename info_ptr
5561 to info. Don't initialize separate fields to 0. Clean up
5564 2016-04-28 Uros Bizjak <ubizjak@gmail.com>
5566 * config/i386/i386.md (peephole2s for operations with memory inputs):
5567 Use SWI mode iterator.
5568 (peephole2s for operations with memory outputs): Ditto.
5569 Do not check for stack checking probe.
5571 (probe_stack): Remove expander.
5573 2016-04-28 Joern Rennecke <joern.rennecke@embecosm.com>
5574 Andrew Burgess <andrew.burgess@embecosm.com>
5576 * config/arc/arc.c (arc_print_operand): Print integer 'H' / 'L'
5577 operands as 32-bits.
5579 2016-04-28 Jason Merrill <jason@redhat.com>
5581 * gdbinit.in: Skip line-map.h.
5583 2016-04-28 Joern Rennecke <joern.rennecke@embecosm.com>
5584 Andrew Burgess <andrew.burgess@embecosm.com>
5586 * config/arc/arc.c (arc_conditional_register_usage): Take
5587 TARGET_RRQ_CLASS into account.
5588 (arc_print_operand): Support printing 'p' and 's' operands.
5589 * config/arc/arc.h (TARGET_NPS_BITOPS_DEFAULT): Provide default
5591 (TARGET_RRQ_CLASS): Define.
5592 (IS_POWEROF2_OR_0_P): Define.
5593 * config/arc/arc.md (*movsi_insn): Add w/Clo, w/Chi, and w/Cbi
5595 (*tst_movb): New define_insn.
5596 (*tst): Avoid recognition if it could prevent '*tst_movb'
5597 combination; replace c/CnL with c/Chs alternative.
5598 (*tst_bitfield_tst): New define_insn.
5599 (*tst_bitfield_asr): New define_insn.
5600 (*tst_bitfield): New define_insn.
5601 (andsi3_i): Add Rrq variant.
5602 (extzv): New define_expand.
5603 (insv): New define_expand.
5604 (*insv_i): New define_insn.
5605 (*movb): New define_insn.
5606 (*movb_signed): New define_insn.
5607 (*movb_high): New define_insn.
5608 (*movb_high_signed): New define_insn.
5609 (*movb_high_signed + 1): New define_split pattern.
5610 (*mrgb): New define_insn.
5611 (*mrgb + 1): New define_peephole2 pattern.
5612 (*mrgb + 2): New define_peephole2 pattern.
5613 * config/arc/arc.opt (mbitops): New option for nps400, uses
5614 TARGET_NPS_BITOPS_DEFAULT.
5615 * config/arc/constraints.md (q): Make register class conditional.
5616 (Rrq): New register constraint.
5617 (Chs): New constraint.
5618 (Clo): New constraint.
5619 (Chi): New constraint.
5620 (Cbf): New constraint.
5621 (Cbn): New constraint.
5622 (C18): New constraint.
5623 (Cbi): New constraint.
5625 2016-04-28 Segher Boessenkool <segher@kernel.crashing.org>
5627 * cfganal.c (bitmap_intersection_of_succs): Delete assert checking
5629 (bitmap_intersection_of_preds): Ditto.
5630 (bitmap_union_of_succs): Ditto.
5631 (bitmap_union_of_preds): Ditto.
5632 * sbitmap.c (do_popcount): Delete.
5633 (BITMAP_DEBUGGING): Delete.
5634 (sbitmap_verify_popcount): Delete.
5635 (sbitmap_alloc): Don't initialize the popcount field.
5636 (sbitmap_alloc_with_popcount): Delete.
5637 (sbitmap_resize): Don't resize the popcount array.
5638 (sbitmap_vector_alloc): Don't initialize the popcount field.
5639 (bitmap_copy): Don't copy the popcount array.
5640 (bitmap_clear): Don't clear the popcount array.
5641 (bitmap_clear): Delete the popcount array handling.
5642 (bitmap_ior_and_compl): Delete the popcount assert.
5643 (bitmap_not): Ditto.
5644 (bitmap_and_compl): Ditto.
5645 (bitmap_and): Delete the popcount array handling.
5646 (bitmap_xor): Ditto.
5647 (bitmap_ior): Ditto.
5648 (bitmap_or_and): Delete the popcount assert.
5649 (bitmap_and_or): Ditto.
5650 (popcount_table): Delete.
5651 (sbitmap_elt_popcount): Delete.
5652 * sbitmap.h (simple_bitmap_def): Delete the popcount field.
5653 (bitmap_set_bit): Delete the popcount assert.
5654 (bitmap_clear_bit): Ditto.
5655 (sbitmap_free): Don't free the popcount array.
5656 (sbitmap_alloc_with_popcount): Delete declaration.
5657 (sbitmap_popcount): Ditto.
5659 2016-04-28 Joern Rennecke <joern.rennecke@embecosm.com>
5660 Andrew Burgess <andrew.burgess@embecosm.com>
5662 * config/arc/arc.h (SYMBOL_FLAG_CMEM): Define.
5663 (TARGET_NPS_CMEM_DEFAULT): Provide default definition.
5664 * config/arc/arc.c (arc_address_cost): Return 0 for cmem_address.
5665 (arc_encode_section_info): Set SYMBOL_FLAG_CMEM where indicated.
5666 * config/arc/arc.opt (mcmem): New option.
5667 * config/arc/arc.md (*extendqihi2_i): Add r/Uex alternative,
5668 supply length for r/m alternative.
5669 (*extendqisi2_ac): Likewise.
5670 (*extendhisi2_i): Add r/Uex alternative, supply length for r/m and
5672 (movqi_insn): Add r/Ucm and Ucm/?Rac alternatives.
5673 (movhi_insn): Likewise.
5674 (movsi_insn): Add r/Ucm,Ucm/w alternatives.
5675 (*zero_extendqihi2_i): Add r/Ucm alternative.
5676 (*zero_extendqisi2_ac): Likewise.
5677 (*zero_extendhisi2_i): Likewise.
5678 * config/arc/constraints.md (Uex): New memory constraint.
5679 (Ucm): New define_constraint.
5680 * config/arc/predicates.md (long_immediate_loadstore_operand):
5681 Return 0 for MEM with cmem_address address.
5682 (cmem_address_0): New predicates.
5683 (cmem_address_1): Likewise.
5684 (cmem_address_2): Likewise.
5685 (cmem_address): Likewise.
5687 2016-04-28 Segher Boessenkool <segher@kernel.crashing.org>
5689 * config/rs6000/rs6000.c (machine_function): Rename
5690 insn_chain_scanned_p to spe_insn_chain_scanned_p.
5691 (rs6000_stack_info): Adjust.
5693 2016-04-28 Joern Rennecke <joern.rennecke@embecosm.com>
5694 Andrew Burgess <andrew.burgess@embecosm.com>
5696 * config/arc/constraints.md (Usd): Convert to define_constraint.
5700 2016-04-28 Jakub Jelinek <jakub@redhat.com>
5703 * config/i386/sync.md (define_peephole2 *atomic_fetch_add_cmp<mode>):
5704 Add new peephole2 where the first insn is *mov<mode>_or instead of
5705 *mov<mode>_internal.
5707 2016-04-28 Segher Boesssenkool <segher@kernel.crashing.org>
5709 * tracer.c (bb_seen): Make static.
5711 2016-04-28 Andrew Burgess <andrew.burgess@embecosm.com>
5713 * common/config/arc/arc-common.c (arc_handle_option): Add NPS400
5714 support, setup defaults.
5715 * config/arc/arc-opts.h (enum processor_type): Add NPS400.
5716 * config/arc/arc.c (arc_init): Add NPS400 support.
5717 * config/arc/arc.h (CPP_SPEC): Add NPS400 defines.
5718 (TARGET_ARC700): NPS400 is also an ARC700.
5719 * config/arc/arc.opt: Add NPS400 options to -mcpu=.
5721 2016-04-28 Segher Boessenkool <segher@kernel.crashing.org>
5724 * config/nds32/nds32.md (casesi): Don't access the operands array
5727 2016-04-28 Uros Bizjak <ubizjak@gmail.com>
5729 * config/i386/i386.md (zeroing peephole2): Use general_reg_operand.
5730 (or $-1,reg peephole2): Ditto.
5731 (strict_low_part zeroing peephole2): Use SWI12 mode iterator.
5733 2016-04-28 Markus Trippelsdorf <markus@trippelsdorf.de>
5735 * doc/extend.texi (Common Function Attributes) [optimize]:
5736 Discourage use of the optimize attribute.
5738 2016-04-28 Bill Seurer <seurer@linux.vnet.ibm.com>
5740 * config/rs6000/rs6000-builtin.def (vec_adde): Change vec_adde to a
5741 special case builtin.
5742 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Remove
5743 ALTIVEC_BUILTIN_VEC_ADDE.
5744 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
5745 support for ALTIVEC_BUILTIN_VEC_ADDE.
5746 * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
5747 for __builtin_vec_adde.
5749 2016-04-28 Jakub Jelinek <jakub@redhat.com>
5751 * config/i386/i386.md (sse4_1_round<mode>2): Add avx512f alternative.
5752 * config/i386/sse.md (sse4_1_round<ssescalarmodesuffix>): Likewise.
5754 2016-04-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5757 * doc/sourcebuild.texi (Effective-Target Keywords, Other
5758 attributes): Document cilkplus_runtime.
5760 2016-04-28 Martin Jambor <mjambor@suse.cz>
5762 * tree-cfg.c (verify_expr): Verify that local declarations belong to
5763 this function. Call verify_expr on MEM_REFs and bases of other
5766 2016-04-28 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5768 * internal-fn.c (expand_arith_overflow): Convert preprocessor check
5769 for WORD_REGISTER_OPERATIONS to runtime check.
5771 2016-04-28 Claudiu Zissulescu <claziss@synopsys.com>
5773 * config/arc/arc.h (ASM_SPEC): Pass mfpuda to assembler.
5775 2016-04-28 Claudiu Zissulescu <claziss@synopsys.com>
5777 * config/arc/arc.c (arc_process_double_reg_moves): Fix for
5778 big-endian compilation.
5779 * config/arc/arc.md (addf3): Likewise.
5783 2016-04-28 Richard Biener <rguenther@suse.de>
5785 PR tree-optimization/70840
5786 * match.pd: powi(-x, y) and powi(|x|,y) -> powi(x,y) if y is even;
5787 Fix pow(copysign(x, y), z) -> pow(x, z) and add powi variant;
5788 Mark x * pow(x,c) -> pow(x,c+1) commutative.
5789 Add powi(x,y) * powi(z,y) -> powi(x*z,y).
5791 2015-04-28 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5793 * config/aarch64/aarch64.h (WORD_REGISTER_OPERATIONS): Define to 0
5794 and explain why in a comment.
5796 2016-04-28 Claudiu Zissulescu <claziss@synopsys.com>
5798 * config/arc/arc.md (cpu_facility): Add fpx variant.
5799 (subdf3): Prohibit use reverse sub when assist operations option
5801 * config/arc/fpx.md (subdf3_insn, *dsubh_peep2_insn): Allow drsub
5802 instructions only when FPX is enabled.
5803 * testsuite/gcc.target/arc/trsub.c: New test.
5805 2016-04-28 Uros Bizjak <ubizjak@gmail.com>
5807 * config/i386/i386.md (*fop_<mode>_1_mixed): Do not check for
5808 mult_operator when calculating "type" attribute.
5809 (*fop_<mode>_1_i387): Ditto.
5810 (*fop_xf_1_i387): Ditto.
5811 (x87 stack loads peephole2): Add "reg = op (mem, reg)" peephole2.
5812 Use std::swap to swap operands. Use RTL expressions to generate
5815 2016-04-28 Claudiu Zissulescu <claziss@synopsys.com>
5816 Joern Rennecke <joern.rennecke@embecosm.com>
5818 * config/arc/arc-protos.h (arc_legitimize_pic_address): Remove
5820 (emit_pic_move): Remove.
5821 (arc_eh_uses, insn_is_tls_gd_dispatch): Declare.
5822 * config/arc/arc.c (emit_pic_move): Removed.
5823 (TARGET_HAVE_TLS): Define.
5824 (arc_conditional_register_usage): Test for arc_tp_regno.
5825 (arc_print_operand, arc_print_operand_address): Handle TLS
5827 (arc_needs_pcl_p): New function.
5828 (arc_legitimate_pc_offset_p): Use arc_needs_pcl_p.
5829 (arc_legitimate_pic_addr_p): Handle TLS unspecs.
5830 (arc_raw_symbolic_reference_mentioned_p): Likewise.
5831 (arc_get_tp, arc_emit_call_tls_get_addr): New function.
5832 (arc_legitimize_tls_address): Likewise.
5833 (DTPOFF_ZERO_SYM): Define.
5834 (arc_legitimize_pic_address): Make it static, handle TLS cases.
5835 (arc_output_pic_addr_const): Print TLS unspecs.
5836 (prepare_pic_move): New function, replaces emit_pic_move.
5837 (arc_legitimate_constant_p): Handle TLS unspecs.
5838 (arc_legitimate_address_p): Likewise.
5839 (arc_rewrite_small_data_p): Use assert for TLS constants.
5840 (prepare_move_operands): Use prepare_pic_move.
5841 (arc_legitimize_address): Legitimize tls addresses.
5842 (arc_epilogue_uses): Check for arc_tp_regno.
5843 (arc_eh_uses, insn_is_tls_gd_dispatch): New function.
5844 * config/arc/arc.h [DEFAULT_LIBC != LIBC_UCLIBC] (EXTRA_SPECS):
5846 [DEFAULT_LIBC != LIBC_UCLIBC] (ARC_TLS_EXTRA_START_SPEC):
5848 [DEFAULT_LIBC != LIBC_UCLIBC] (STARTFILE_SPEC): Add
5849 %(arc_tls_extra_start_spec).
5850 (TARGET_CPU_CPP_BUILTINS): Define __ARC_TLS_REGNO__.
5851 (REGNO_OK_FOR_BASE_P): Check for arc_tp_regno.
5853 (INSN_REFERENCES_ARE_DELAYED): Use insn_is_tls_gd_dispatch.
5854 * config/arc/arc.md (UNSPEC_TLS_GD, UNSPEC_TLS_LD, UNSPEC_TLS_IE)
5855 (UNSPEC_TLS_OFF): Add.
5857 (tls_load_tp_soft, tls_gd_load, tls_gd_get_addr, tls_gd_dispatch)
5858 (get_thread_pointersi): New patterns.
5859 * config/arc/arc.opt (mtp-regno): New option.
5860 * config/arc/predicates.md (move_src_operand): Handle TLS symbols.
5861 (move_dest_operand): Likewise.
5862 * configure: Regenerate.
5863 * configure.ac: Add arc*-*-* case to test for tls.
5864 * doc/invoke.texi (ARC options): Document mtp-regno.
5866 2016-04-28 Claudiu Zissulescu <claziss@synopsys.com>
5868 * config/arc/arc.c (arc_vector_mode_supported_p): Add support for
5869 the new ARC HS SIMD instructions.
5870 (arc_preferred_simd_mode): New function.
5871 (arc_autovectorize_vector_sizes): Likewise.
5872 (TARGET_VECTORIZE_PREFERRED_SIMD_MODE)
5873 (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Define.
5874 (arc_init_reg_tables): Accept new ARC HS SIMD modes.
5875 (arc_init_builtins): Add new SIMD builtin types.
5876 (arc_split_move): Handle 64 bit vector moves.
5877 * config/arc/arc.h (TARGET_PLUS_DMPY, TARGET_PLUS_MACD)
5878 (TARGET_PLUS_QMACW): Define.
5879 * config/arc/builtins.def (QMACH, QMACHU, QMPYH, QMPYHU, DMACH)
5880 (DMACHU, DMPYH, DMPYHU, DMACWH, DMACWHU, VMAC2H, VMAC2HU, VMPY2H)
5881 (VMPY2HU, VADDSUB2H, VSUBADD2H, VADDSUB, VSUBADD, VADDSUB4H)
5882 (VSUBADD4H): New builtins.
5883 * config/arc/simdext.md: Add new ARC HS SIMD instructions.
5884 * testsuite/gcc.target/arc/builtin_simdarc.c: New file.
5886 2016-04-28 Eduard Sanou <dhole@openmailbox.org>
5887 Matthias Klose <doko@debian.org>
5889 * doc/cppenv.texi: Document SOURCE_DATE_EPOCH environment variable.
5891 2016-04-28 Richard Biener <rguenther@suse.de>
5894 * fold-const.c (fold_binary_loc): Remove x*x to pow(x,2.0)
5897 2016-04-28 Oleg Endo <olegendo@gcc.gnu.org>
5899 * common/config/sh/sh-common.c: Remove SH5 support.
5900 * config/sh/constraints.md: Likewise.
5901 * config/sh/config/sh/elf.h: Likewise.
5902 * config/sh/linux.h: Likewise.
5903 * config/sh/netbsd-elf.h: Likewise.
5904 * config/sh/predicates.md: Likewise.
5905 * config/sh/sh-c.c: Likewise.
5906 * config/sh/sh-protos.h: Likewise.
5907 * config/sh/sh.c: Likewise.
5908 * config/sh/sh.h: Likewise.
5909 * config/sh/sh.md: Likewise.
5910 * config/sh/sh.opt: Likewise.
5911 * config/sh/sync.md: Likewise.
5912 * config/sh/sh64.h: Delete.
5913 * config/sh/shmedia.h: Likewise.
5914 * config/sh/shmedia.md: Likewise.
5915 * config/sh/sshmedia.h: Likewise.
5916 * config/sh/t-netbsd-sh5-64: Likewise.
5917 * config/sh/t-sh64: Likewise.
5918 * config/sh/ushmedia.h: Likewise.
5920 2016-04-28 Uros Bizjak <ubizjak@gmail.com>
5922 * config/i386/i386.md (sign_extend to memory peephole2s): Use
5923 general_reg_operand instead of register_operand predicate.
5925 2016-04-27 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
5927 * params.def (MIN_PARTITION_SIZE): Set default value to 10000.
5929 2016-04-27 Marc Glisse <marc.glisse@inria.fr>
5931 * match.pd (A - B > A, A + B < A): New transformations.
5933 2016-04-27 Patrick Palka <ppalka@gcc.gnu.org>
5935 * genattrtab.c (write_test_expr): New parameter EMIT_PARENS
5936 which defaults to true. Emit an outer pair of parentheses only if
5937 EMIT_PARENS. When continuing a chain of && or || (or & or |),
5938 don't emit parentheses for the right-hand operand.
5940 2016-04-27 Jeff Law <law@redhat.com>
5942 * tree-ssa-dom.c (record_temporary_equivalences): Fix typo in comment.
5944 2016-04-27 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
5946 * config/rs6000/altivec.md (altivec_lvx_<mode>): Remove.
5947 (altivec_lvx_<mode>_internal): Document.
5948 (altivec_lvx_<mode>_2op): New define_insn.
5949 (altivec_lvx_<mode>_1op): Likewise.
5950 (altivec_lvx_<mode>_2op_si): Likewise.
5951 (altivec_lvx_<mode>_1op_si): Likewise.
5952 (altivec_stvx_<mode>): Remove.
5953 (altivec_stvx_<mode>_internal): Document.
5954 (altivec_stvx_<mode>_2op): New define_insn.
5955 (altivec_stvx_<mode>_1op): Likewise.
5956 (altivec_stvx_<mode>_2op_si): Likewise.
5957 (altivec_stvx_<mode>_1op_si): Likewise.
5958 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
5959 Expand vec_ld and vec_st during parsing.
5960 * config/rs6000/rs6000.c (altivec_expand_lvx_be): Commentary
5962 (altivec_expand_stvx_be): Likewise.
5963 (altivec_expand_lv_builtin): Expand lvx built-ins to expose the
5964 address-masking behavior in RTL.
5965 (altivec_expand_stv_builtin): Expand stvx built-ins to expose the
5966 address-masking behavior in RTL.
5967 (altivec_expand_builtin): Change builtin code arguments for calls
5968 to altivec_expand_stv_builtin and altivec_expand_lv_builtin.
5969 (insn_is_swappable_p): Avoid incorrect swap optimization in the
5970 presence of lvx/stvx patterns.
5971 (alignment_with_canonical_addr): New function.
5972 (alignment_mask): Likewise.
5973 (find_alignment_op): Likewise.
5974 (recombine_lvx_pattern): Likewise.
5975 (recombine_stvx_pattern): Likewise.
5976 (recombine_lvx_stvx_patterns): Likewise.
5977 (rs6000_analyze_swaps): Perform a pre-pass to recognize lvx and
5978 stvx patterns from expand.
5979 * config/rs6000/vector.md (vector_altivec_load_<mode>): Use new
5981 (vector_altivec_store_<mode>): Likewise.
5983 2016-04-26 Evandro Menezes <e.menezes@samsung.com>
5985 * config/aarch64/aarch64.md
5986 (*movhf_aarch64): Add "movi %0, #0" to zero up register and
5987 remove the "fp" attributes.
5988 (*movsf_aarch64): Add "movi %0, #0" to zero up register and
5989 add the "simd" attributes.
5990 (*movdf_aarch64): Likewise.
5991 (*movtf_aarch64): Remove the "fp" attributes.
5992 * testsuite/gcc.target/aarch64/fmovf-zero-reg.c: Update accordingly.
5993 * testsuite/gcc.target/aarch64/fmovd-zero-reg.c: Likewise.
5995 2016-04-27 David Malcolm <dmalcolm@redhat.com>
5997 * emit-rtl.c (maybe_set_first_label_num): Strengthen param from
5998 rtx to rtx_code_label *.
5999 * rtl.h (maybe_set_first_label_num): Likewise.
6001 2016-04-27 David Malcolm <dmalcolm@redhat.com>
6003 * df-core.c (df_add_problem): Make the problem param be const.
6004 (df_remove_problem): Make local "problem" be const.
6005 * df-problems.c (problem_RD): Make const.
6006 (problem_LR): Likewise.
6007 (problem_LIVE): Likewise.
6008 (problem_MIR): Likewise.
6009 (problem_CHAIN): Likewise.
6010 (problem_WORD_LR): Likewise.
6011 (problem_NOTE): Likewise.
6012 (problem_MD): Likewise.
6013 * df-scan.c (problem_SCAN): Likewise.
6014 * df.h (struct df_problem): Make field "dependent_problem" be
6016 (struct dataflow): Likewise for field "problem".
6017 (df_add_problem): Make param const.
6019 2016-04-27 Uros Bizjak <ubizjak@gmail.com>
6021 * config/i386/i386.c (ix86_spill_class): Enable for TARGET_SSE2 when
6022 inter-unit moves to/from vector registers are enabled. Do not disable
6025 2016-04-27 David Malcolm <dmalcolm@redhat.com>
6027 * df.h (DF_SCAN, DF_LR, DF_LIVE, DF_RD, DF_CHAIN, DF_WORD_LR,
6028 DF_NOTE, DF_MD, DF_MIR, DF_LAST_PROBLEM_PLUS1): Convert from
6030 (enum df_problem_id): ...this new enum.
6031 (struct df_problem): Convert field "id" from "int" to
6034 2016-04-27 David Malcolm <dmalcolm@redhat.com>
6036 * rtl.def: Update comment for "things in the instruction chain" to
6037 reflect the removal of the leading "i" field for INSN_UID in
6038 r210360. Fix bogus apostrophe.
6040 2016-04-27 Uros Bizjak <ubizjak@gmail.com>
6042 * config/i386/i386.md
6043 (lea arith with mem operand + setcc peephole2): Set operator mode.
6045 2016-04-27 H.J. Lu <hongjiu.lu@intel.com>
6048 * config/i386/i386.c (scalar_to_vector_candidate_p): Renamed to ...
6049 (dimode_scalar_to_vector_candidate_p): This.
6050 (timode_scalar_to_vector_candidate_p): New function.
6051 (scalar_to_vector_candidate_p): Likewise.
6052 (timode_check_non_convertible_regs): Likewise.
6053 (timode_remove_non_convertible_regs): Likewise.
6054 (remove_non_convertible_regs): Likewise.
6055 (remove_non_convertible_regs): Renamed to ...
6056 (dimode_remove_non_convertible_regs): This.
6057 (scalar_chain::~scalar_chain): Make it virtual.
6058 (scalar_chain::compute_convert_gain): Make it pure virtual.
6059 (scalar_chain::mark_dual_mode_def): Likewise.
6060 (scalar_chain::convert_insn): Likewise.
6061 (scalar_chain::convert_registers): Likewise.
6062 (scalar_chain::add_to_queue): Make it protected.
6063 (scalar_chain::emit_conversion_insns): Likewise.
6064 (scalar_chain::replace_with_subreg): Likewise.
6065 (scalar_chain::replace_with_subreg_in_insn): Likewise.
6066 (scalar_chain::convert_op): Likewise.
6067 (scalar_chain::convert_reg): Likewise.
6068 (scalar_chain::make_vector_copies): Likewise.
6069 (scalar_chain::convert_registers): New pure virtual function.
6070 (class dimode_scalar_chain): New class.
6071 (class timode_scalar_chain): Likewise.
6072 (scalar_chain::mark_dual_mode_def): Renamed to ...
6073 (dimode_scalar_chain::mark_dual_mode_def): This.
6074 (timode_scalar_chain::mark_dual_mode_def): New function.
6075 (timode_scalar_chain::convert_insn): Likewise.
6076 (dimode_scalar_chain::convert_registers): Likewise.
6077 (scalar_chain::compute_convert_gain): Renamed to ...
6078 (dimode_scalar_chain::compute_convert_gain): This.
6079 (scalar_chain::replace_with_subreg): Renamed to ...
6080 (dimode_scalar_chain::replace_with_subreg): This.
6081 (scalar_chain::replace_with_subreg_in_insn): Renamed to ...
6082 (dimode_scalar_chain::replace_with_subreg_in_insn): This.
6083 (scalar_chain::make_vector_copies): Renamed to ...
6084 (dimode_scalar_chain::make_vector_copies): This.
6085 (scalar_chain::convert_reg): Renamed to ...
6086 (dimode_scalar_chain::convert_reg ): This.
6087 (scalar_chain::convert_op): Renamed to ...
6088 (dimode_scalar_chain::convert_op): This.
6089 (scalar_chain::convert_insn): Renamed to ...
6090 (dimode_scalar_chain::convert_insn): This.
6091 (scalar_chain::convert): Call convert_registers.
6092 (convert_scalars_to_vector): Change to scalar_chain pointer to
6093 use timode_scalar_chain in 64-bit mode and dimode_scalar_chain
6094 in 32-bit mode. Delete scalar_chain pointer. Call
6095 free_dominance_info in 64-bit mode.
6096 (pass_stv::gate): Remove TARGET_64BIT check.
6097 (ix86_option_override): Put the 64-bit STV pass before the CSE
6100 2016-04-27 Pierre-Marie de Rodat <derodat@adacore.com>
6102 * dwarf2out.h (struct dw_loc_descr_node): Remove the
6103 dw_loc_frame_offset field.
6104 * dwarf2out.c (new_loc_descr): Likewise.
6105 (resolve_args_picking_1): Turn the VISITED hash set into a
6106 FRAME_OFFSET hash map. Use it to associate a frame offset to
6107 visited nodes. Remove uses of the CHECKING_P macro.
6108 (resolve_args_picking): Update call to resolve_args_picking_1.
6110 2016-04-27 Martin Liska <mliska@suse.cz>
6112 * tree-ssa-loop-ivopts.c (iv_ca_dump): Fix level of indentation.
6113 (free_loop_data): Release vuses of groups.
6115 2016-04-27 Bin Cheng <bin.cheng@arm.com>
6117 * tree-ssa-loop-ivopts.c (struct iv): Use pointer to struct iv_use
6118 instead of redundant use_id and boolean have_use_for.
6119 (struct iv_use): Change sub_id into group_id. Remove field next.
6120 Move fields: related_cands, n_map_members, cost_map and selected
6122 (struct iv_group): ... here. New structure.
6123 (struct iv_common_cand): Use structure declaration directly.
6124 (struct ivopts_data, iv_ca, iv_ca_delta): Rename fields.
6125 (MAX_CONSIDERED_USES): Rename macro to ...
6126 (MAX_CONSIDERED_GROUPS): ... here.
6127 (n_iv_uses, iv_use, n_iv_cands, iv_cand): Delete.
6128 (dump_iv, dump_use, dump_cand): Refactor format of dump information.
6129 (dump_uses): Rename to ...
6130 (dump_groups): ... here. Update all uses.
6131 (tree_ssa_iv_optimize_init, alloc_iv): Update all uses.
6132 (find_induction_variables): Refactor format of dump information.
6133 (record_sub_use): Delete.
6134 (record_use): Update all uses.
6135 (record_group): New function.
6136 (record_group_use, find_interesting_uses_op): Call above functions.
6138 (find_interesting_uses_cond): Ditto.
6139 (group_compare_offset): New function.
6140 (split_all_small_groups): Rename to ...
6141 (split_small_address_groups_p): ... here. Update all uses.
6142 (split_address_groups): Update all uses.
6143 (find_interesting_uses): Refactor format of dump information.
6144 (add_candidate_1): Update all uses. Remove redundant check on iv,
6146 (add_candidate, record_common_cand): Remove redundant assert.
6147 (add_iv_candidate_for_biv): Update use.
6148 (add_iv_candidate_derived_from_uses): Update all uses.
6149 (add_iv_candidate_for_groups, record_important_candidates): Ditto.
6150 (alloc_use_cost_map): Ditto.
6151 (set_use_iv_cost, get_use_iv_cost): Rename to ...
6152 (set_group_iv_cost, get_group_iv_cost): ... here. Update all uses.
6153 (determine_use_iv_cost_generic): Ditto.
6154 (determine_group_iv_cost_generic): Ditto.
6155 (determine_use_iv_cost_address): Ditto.
6156 (determine_group_iv_cost_address): Ditto.
6157 (determine_use_iv_cost_condition): Ditto.
6158 (determine_group_iv_cost_cond): Ditto.
6159 (determine_use_iv_cost): Ditto.
6160 (determine_group_iv_cost): Ditto.
6161 (set_autoinc_for_original_candidates): Update all uses.
6162 (find_iv_candidates): Update all uses. Refactor dump information.
6163 (determine_use_iv_costs): Ditto.
6164 (determine_iv_costs): Ditto.
6165 (iv_ca_cand_for_use): Rename to ...
6166 (iv_ca_cand_for_group): ... here. Update all uses.
6167 (iv_ca_add_use, iv_ca_add_group): Ditto.
6168 (iv_ca_set_cp, iv_ca_cost, iv_ca_delta_add): Update all uses.
6169 (iv_ca_delta_join, iv_ca_delta_reverse, iv_ca_delta_free): Ditto.
6170 (iv_ca_new, iv_ca_dump, iv_ca_extend, iv_ca_narrow): Ditto.
6171 (iv_ca_prune, cheaper_cost_with_cand, iv_ca_replace): Ditto.
6172 (try_add_cand_for, try_improve_iv_set, find_optimal_iv_set): Ditto.
6173 (create_new_iv, adjust_iv_update_pos): Ditto.
6174 (rewrite_use_address): Delete.
6175 (rewrite_use_address_1): Rename to ...
6176 (rewrite_use_address): ... here.
6177 (rewrite_use_compare): Update all uses.
6178 (rewrite_use): Delete.
6179 (rewrite_uses): Rename to ...
6180 (rewrite_groups): ... here. Update all uses.
6181 (remove_unused_ivs, free_loop_data): Update all uses.
6182 (tree_ssa_iv_optimize_finalize, tree_ssa_iv_optimize_loop): Ditto.
6184 2016-04-27 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
6186 * rtlanal.c (nonzero_bits1): Convert preprocessor check
6187 for WORD_REGISTER_OPERATIONS to runtime check.
6189 2016-04-27 Richard Biener <rguenther@suse.de>
6192 * tree-ssa-structalias.c (find_func_aliases_for_call): Use
6193 aggregate_value_p to determine if a function result is
6194 returned by reference.
6195 (ipa_pta_execute): Functions having their address taken are
6196 not automatically nonlocal.
6198 2016-04-27 Jakub Jelinek <jakub@redhat.com>
6201 * tree-core.h (enum operand_equal_flag): Add OEP_NO_HASH_CHECK.
6202 * fold-const.c (operand_equal_p): If flag_checking and
6203 OEP_NO_HASH_CHECK is not set in flag, recurse with OEP_NO_HASH_CHECK
6204 and if it returns non-zero, assert iterative_hash_expr on both
6207 2016-04-27 Bernd Schmidt <bschmidt@redhat.com>
6209 * doc/invoke.texi (-frename-registers): Also enabled at -Os.
6211 2016-04-27 Nick Clifton <nickc@redhat.com>
6214 * varasm.c (merge_weak): Generate an error if an attempt is made
6215 to convert a non-weak static function into a weak, public function.
6217 2016-04-27 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
6219 * params.def (MAX_PARTITION_SIZE): New param.
6220 * doc/invoke.texi: Document lto-max-partition.
6222 2016-04-27 Richard Biener <rguenther@suse.de>
6225 * tree-ssa-structalias.c (refered_from_nonlocal_fn): New
6226 function cummulating used_from_other_partition, externally_visible
6227 and force_output from aliases.
6228 (refered_from_nonlocal_var): Likewise.
6229 (ipa_pta_execute): Use call_for_symbol_and_aliases to cummulate
6230 node flags properly.
6232 2016-04-27 Bernd Schmidt <bschmidt@redhat.com>
6234 * doc/invoke.texi (Warning Options): Add -Wmemset-elt-size.
6235 (-Wmemset-elt-size): New item.
6237 2016-04-27 Eric Botcazou <ebotcazou@adacore.com>
6240 * stor-layout.h (internal_reference_types): Delete.
6241 * stor-layout.c (reference_types_internal): Likewise.
6242 (internal_reference_types): Likewise.
6243 (layout_type) <REFERENCE_TYPE>: Adjust.
6245 2016-04-27 Jakub Jelinek <jakub@redhat.com>
6248 * tree.h (inchash::add_expr): Add FLAGS argument.
6249 * tree.c (inchash::add_expr): Likewise. If not OEP_ADDRESS_OF,
6250 use STRIP_NOPS first. For INTEGER_CST assert not OEP_ADDRESS_OF.
6251 For REAL_CST and !HONOR_SIGNED_ZEROS (t) hash +/- 0 the same.
6252 Formatting fix. Adjust recursive calls. For tcc_comparison,
6253 if swap_tree_comparison (code) is smaller than code, hash that
6254 and arguments in the other order. Hash CONVERT_EXPR the same
6255 as NOP_EXPR. For OEP_ADDRESS_OF hash MEM_REF with 0 offset
6256 of ADDR_EXPR of decl as the decl itself. Add or remove
6257 OEP_ADDRESS_OF from recursive flags as needed. For
6258 FMA_EXPR, WIDEN_MULT_{PLUS,MINUS}_EXPR hash the first two
6259 operands commutatively and only the third one normally.
6260 For internal CALL_EXPR hash in CALL_EXPR_IFN.
6262 2016-04-27 Sebastian Huber <sebastian.huber@embedded-brains.de>
6264 * config/rtems.h (LIB_SPEC): Add -latomic.
6266 2016-04-27 Joel Sherrill <joel@rtems.org>
6268 * config/microblaze/rtems.h: Redefine LINK_SPEC to avoid
6269 xilink.ld and flags not relevant to RTEMS.
6271 2016-04-26 Zhouyi Zhou <yizhouzhou@ict.ac.cn>
6273 * toplev.c (backend_init_target): Avoid calling init_reload when using
6276 2016-04-26 Jakub Jelinek <jakub@redhat.com>
6278 * reorg.c (try_merge_delay_insns): Declare i and j inside the
6279 for loops rather than one for the whole function.
6281 2016-04-26 Marc Glisse <marc.glisse@inria.fr>
6283 * match.pd (X + CST CMP X): New transformation.
6285 2016-04-26 Marc Glisse <marc.glisse@inria.fr>
6287 * genmatch.c (write_predicate): Add ATTRIBUTE_UNUSED.
6288 * fold-const.c (fold_binary_loc): Remove 2 transformations
6289 superseded by match.pd.
6290 * match.pd (x+x -> x*2): Generalize to integers.
6292 2016-04-26 Bernd Schmidt <bschmidt@redhat.com>
6294 * config/i386/i386.md (operation on memory peephole): Duplicate an
6295 existing peephole and adapt it to match lea rather than an operation
6298 PR rtl-optimization/57193
6299 * opts.c (default_options_table): Add OPT_frename_registers at -O2
6301 * doc/invoke.texi (-frename-registers, -O2): Update documentation.
6303 2016-04-26 Bin Cheng <bin.cheng@arm.com>
6305 * tree-if-conv.c (any_pred_load_store): New static variable.
6306 (if_convertible_gimple_assign_stmt_p): Remove parameter. Use
6307 any_pred_load_store instead of and_mask_load_store.
6308 (if_convertible_stmt_p, if_convertible_loop_p_1): Ditto.
6309 (if_convertible_loop_p, insert_gimplified_predicates): Ditto.
6310 (combine_blocks, tree_if_conversion): Ditto.
6312 2016-04-26 Bin Cheng <bin.cheng@arm.com>
6314 PR tree-optimization/70771
6315 PR tree-optimization/70775
6316 * tree-if-conv.c (if_convertible_phi_p): Remove check on special
6317 virtual PHI nodes. Delete parameter.
6318 (if_convertible_loop_p_1): Delete argument to above function.
6319 (predicate_all_scalar_phis): Delete code handling single-argument
6321 (tree_if_conversion): Mark and update virtual SSA.
6323 2016-04-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6326 * config/i386/i386.c (LARGECOMM_SECTION_ASM_OP): Define default.
6327 (x86_elf_aligned_common): Rename to ...
6328 (x86_elf_aligned_decl_common): ... this.
6329 Add decl arg. Switch to .lbss for largecomm object. Use
6330 LARGECOMM_SECTION_ASM_OP.
6331 * config/i386/i386-protos.h (x86_elf_aligned_common): Reflect
6333 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_COMMON): Rename to ...
6334 (ASM_OUTPUT_ALIGNED_DECL_COMMON): ... this.
6336 * config/i386/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
6337 [!USE_GAS] (LARGECOMM_SECTION_ASM_OP): Define.
6339 2016-04-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6342 * config/i386/i386.c (SECTION_LARGE): Define.
6343 (x86_64_elf_select_section): Set it for large data/bss sections.
6344 Only clear SECTION_WRITE for .lrodata.
6345 (x86_64_elf_section_type_flags): Set SECTION_LARGE for large
6347 * config/i386/sol2.h (MACH_DEP_SECTION_ASM_FLAG): Define.
6348 * varasm.c (default_elf_asm_named_section): Grow flagchars.
6349 [MACH_DEP_SECTION_ASM_FLAG] Emit MACH_DEP_SECTION_ASM_FLAG for
6351 * doc/tm.texi.in (Sections, MACH_DEP_SECTION_ASM_FLAG): Describe.
6352 * doc/tm.texi: Regenerate.
6354 2016-04-26 Jakub Jelinek <jakub@redhat.com>
6357 * configure.ac (--enable-checking): Document extra flag, for
6358 non-release builds default to --enable-checking=yes,extra.
6359 If misc checking and extra checking, define CHECKING_P to 2 instead
6361 * common.opt (fchecking=): Add.
6362 * doc/invoke.texi (-fchecking=): Document.
6363 * doc/install.texi: Document --enable-checking changes.
6364 * configure: Regenerated.
6365 * config.in: Regenerated.
6367 2016-04-25 Uros Bizjak <ubizjak@gmail.com>
6369 * config/i386/i386.md (*movxi_internal_avx512f): Use insn type
6370 attribute instead of which_alternative.
6371 * config/i386/sse.md (*mov<mode>_internal): Ditto.
6372 Use EXT_REX_SSE_REG_P where appropriate.
6374 2016-04-25 Uros Bizjak <ubizjak@gmail.com>
6376 * config/i386/predicates.md (const0_operand): Do not match
6377 const_wide_int code.
6378 (const1_operand): Ditto.
6380 2016-04-25 Uros Bizjak <ubizjak@gmail.com>
6382 * config/i386/i386.md (*movoi_internal_avx): Set mode attribute to XI
6383 for SSE constm1 operands and TARGET_AVX512VL.
6384 (*movti_internal): Ditto.
6385 (*mov<mode>_or): Use constm1_operand predicate.
6386 * config/i386/sse.md (*mov<mode>_internal): Set mode attribute to XI
6387 for SSE vector_all_ones operands and TARGET_AVX512VL.
6388 * config/i386/predicates.md (constm1_operand): New predicate.
6389 * config/i386/i386.c (standard_sse_constant_opcode): Simplify
6390 emission of constant -1 load.
6392 2016-04-25 Jason Merrill <jason@redhat.com>
6394 * gdbinit.in: Skip is-a.h.
6396 * attribs.c (register_scoped_attributes): Fix logic.
6397 * attribs.h: Declare register_scoped_attributes.
6399 2016-04-25 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
6401 * config/rs6000/rs6000-builtin.def: Correct pasto error for
6402 stxvd2x and stxvw4x built-in functions.
6404 2016-04-25 DJ Delorie <dj@redhat.com>
6406 * config/msp430/msp430.md (ashlhi3): Optimize one bit shifts.
6407 (ashrhi3): Likewise.
6408 (lshrhi3): Likewise.
6410 2016-04-25 Richard Biener <rguenther@suse.de>
6412 PR tree-optimization/70780
6413 * tree-ssa-pre.c (compute_antic_aux): Also return true if the block
6415 (compute_antic): Mark blocks with abnormal preds as visited as
6416 they have a final empty antic-in solution already.
6418 2016-04-25 Michael Collison <michael.collison@linaro.org>
6420 * ChangeLog(2016-04-25): Fix ChangeLog formatting.
6422 2016-04-25 Michael Collison <michael.collison@linaro.org>
6424 * config/arm/neon.md (widen_<us>sum<mode>): New patterns where
6425 mode is VQI to improve mixed mode vectorization.
6426 * config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3): New
6427 define_insn to match low half of signed vaddw.
6428 * config/arm/neon.md (vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): New
6429 define_insn to match high half of signed vaddw.
6430 * config/arm/neon.md (vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): New
6431 define_insn to match low half of unsigned vaddw.
6432 * config/arm/neon.md (vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): New
6433 define_insn to match high half of unsigned vaddw.
6434 * config/arm/arm.c (arm_simd_vect_par_cnst_half): New function.
6435 (arm_simd_check_vect_par_cnst_half_p): Likewise.
6436 * config/arm/arm-protos.h (arm_simd_vect_par_cnst_half): Prototype
6438 (arm_simd_check_vect_par_cnst_half_p): Likewise.
6439 * config/arm/predicates.md (vect_par_constant_high): Support
6440 big endian and simplify by calling
6441 arm_simd_check_vect_par_cnst_half
6442 (vect_par_constant_low): Likewise.
6444 2016-04-25 Uros Bizjak <ubizjak@gmail.com>
6446 * config/i386/i386.md (*lea<mode>_general_4): Use const_0_to_3_operand
6447 predicate for operand 2.
6449 2016-04-24 Uros Bizjak <ubizjak@gmail.com>
6450 H.J. Lu <hongjiu.lu@intel.com>
6452 * config/i386/i386-protos.h (standard_sse_constant_p): Add
6453 machine_mode argument.
6454 * config/i386/i386.c (standard_sse_constant_p): Return 2 for
6455 constm1_rtx operands. For VOIDmode constants, get mode from
6456 pred_mode. Check mode size if the mode is supported by ABI.
6457 (standard_sse_constant_opcode): Do not use standard_constant_p.
6458 Strictly check ABI support for all-ones operands.
6459 (ix86_legitimate_constant_p): Handle TImode, OImode and XImode
6460 immediates. Update calls to standard_sse_constant_p.
6461 (ix86_expand_vector_move): Update calls to standard_sse_constant_p.
6462 (ix86_rtx_costs): Ditto.
6463 * config/i386/i386.md (*movxi_internal_avx512f): Use
6464 nonimmediate_or_sse_const_operand instead of vector_move_operand.
6465 Use (v,BC) alternative instead of (v,C). Use register_operand
6466 checks instead of MEM_P.
6467 (*movoi_internal_avx): Use nonimmediate_or_sse_const_operand instead
6468 of vector_move_operand. Add (v,BC) alternative and corresponding avx2
6469 isa attribute. Use register_operand checks instead of MEM_P.
6470 (*movti_internal): Use nonimmediate_or_sse_const_operand for
6471 TARGET_SSE. Improve TARGET_SSE insn constraint. Add (v,BC)
6472 alternative and corresponding sse2 isa attribute.
6473 (*movtf_internal, *movdf_internal, *movsf_interal): Update calls
6474 to standard_sse_constant_p.
6475 (FP constant splitters): Ditto.
6476 * config/i386/constraints.md (BC): Do not use standard_sse_constant_p.
6478 * config/i386/predicates.md (constm1_operand): Remove.
6479 (nonimmediate_or_sse_const_operand): Rewrite using RTX.
6480 * config/i386/sse.md (*<avx512>_cvtmask2<ssemodesuffix><mode>): Use
6481 vector_all_ones_operand instead of constm1_operand.
6483 2016-04-24 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
6485 * print-rtl.c (print_rtx_insn_vec): New function.
6486 * print-rtl.h: New prototype.
6487 * store-motion.c (struct st_expr): Make avail_stores a vector.
6488 (st_expr_entry): Adjust.
6489 (free_st_expr_entry): Likewise.
6490 (print_store_motion_mems): Likewise.
6491 (find_moveable_store): Likewise.
6492 (compute_store_table): Likewise.
6493 (delete_store): Likewise.
6494 (build_store_vectors): Likewise.
6496 2016-04-24 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
6498 * reorg.c (try_merge_delay_insns): Make merged_insns a vector.
6500 2016-04-24 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
6502 * vec.h (vec_safe_contains): New function.
6503 (vec::contains): Likewise.
6504 (vec::begin): Likewise.
6505 (vec::end): Likewise.
6507 2016-04-23 Jakub Jelinek <jakub@redhat.com>
6510 * cfgexpand.c (expand_stack_vars): Fix typo.
6512 2016-04-22 Szabolcs Nagy <szabolcs.nagy@arm.com>
6514 * system.h (list, map, set, vector): Include conditionally.
6515 * auto-profile.c (INCLUDE_MAP, INCLUDE_SET): Define.
6516 * graphite-isl-ast-to-gimple.c (INCLUDE_MAP): Define.
6517 * ipa-icf.c (INCLUDE_LIST): Define.
6518 * config/aarch64/cortex-a57-fma-steering.c (INCLUDE_LIST): Define.
6519 * config/sh/sh.c (INCLUDE_VECTOR): Define.
6520 * config/sh/sh_treg_combine.cc (INCLUDE_ALGORITHM): Define.
6521 (INCLUDE_LIST, INCLUDE_VECTOR): Define.
6522 * cp/logic.cc (INCLUDE_LIST): Define.
6523 * fortran/trans-common.c (INCLUDE_MAP): Define.
6525 2016-04-22 Szabolcs Nagy <szabolcs.nagy@arm.com>
6527 * auto-profile.c: Remove <string.h> include.
6528 * ipa-icf-gimple.c: Remove <list> include.
6529 * diagnostic.c: Remove <new> include.
6530 * genmatch.c: Likewise.
6531 * pretty-print.c: Likewise.
6532 * toplev.c: Likewise
6533 * c/c-objc-common.c: Likewise.
6534 * cp/error.c: Likewise.
6535 * fortran/error.c: Likewise.
6537 2016-04-22 Richard Biener <rguenther@suse.de>
6539 * lto-streamer-in.c (input_ssa_names): Do not allocate
6540 GIMPLE_NOP for all SSA names.
6541 * lto-streamer-out.c (output_ssa_names): Do not output
6542 SSA names that should have been released.
6544 2016-04-22 Richard Biener <rguenther@suse.de>
6546 PR tree-optimization/70740
6547 * tree-ssa-phiprop.c (propagate_with_phi): Handle inserted
6550 2016-04-21 H.J. Lu <hongjiu.lu@intel.com>
6553 * config/i386/predicates.md (call_insn_operand): Replace
6554 sibcall_memory_operand with memory_operand.
6556 2016-04-21 Patrick Palka <ppalka@gcc.gnu.org>
6558 * tree-vrp.c (register_edge_assert_for_2): Remove redundant
6559 has_single_use() tests.
6560 (register_edge_assert_for_1): Likewise.
6561 (find_assert_locations_1): Check the liveness bitmap instead of
6562 checking has_single_use().
6564 2016-04-21 Kirill Yukhin <kirill.yukhin@intel.com>
6567 * config/i386/sse.md (define_insn "<shift_insn><mode>3<mask_name>"):
6568 Extract AVX-512BW constraint from AVX.
6570 2016-04-21 Richard Biener <rguenther@suse.de>
6572 PR tree-optimization/70725
6573 * tree-if-conv.c (if_convertible_phi_p): Adjust guard
6574 for phi_convertible_by_degenerating_args.
6575 (predicate_all_scalar_phis): Handle single-argument PHIs.
6577 2016-04-21 Richard Biener <rguenther@suse.de>
6580 * fold-const.c (fold_comparison): Return properly typed
6583 2016-04-21 Bin Cheng <bin.cheng@arm.com>
6585 PR tree-optimization/70715
6586 * tree-ssa-loop-niter.c (loop_exits_before_overflow): Check equality
6587 after expanding BASE using expand_simple_operations.
6589 2016-04-21 Marc Glisse <marc.glisse@inria.fr>
6591 * match.pd (min(-x, -y), max(-x, -y), min(~x, ~y), max(~x, ~y)):
6592 New transformations.
6594 2016-04-21 Marc Glisse <marc.glisse@inria.fr>
6596 * match.pd (min(int_max, x), max(int_min, x)): New transformations.
6598 2016-04-20 Jan Hubicka <jh@suse.cz>
6600 * ipa-inline.c (can_inline_edge_p): Pass caller info to
6601 ultiimate_alias_target.
6602 (update_callee_keys): Likewise.
6603 (lookup_recursive_calls): Likewise.
6604 (speculation_useful_p): Likewise.
6606 2016-04-20 Jan Hubicka <jh@suse.cz>
6609 * cgraph.c (cgraph_set_nothrow_flag_1): Rename to ...
6610 (set_nothrow_flag_1): ... this; handle interposition correctly;
6611 recurse on aliases and thunks.
6612 (cgraph_node::set_nothrow_flag): New.
6613 * ipa-pure-const.c (ignore_edge_for_nothrow): Ignore calls to
6614 functions compiled with non-call exceptions that binds to current
6616 (propagate_nothrow): Be safe WRT interposition.
6617 * cgraph.h (set_nothrow_flag): Update prototype.
6619 2016-04-18 Jan Hubicka <jh@suse.cz>
6621 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
6622 max_loop_iterations_int.
6623 (tree_unswitch_outer_loop): Likewise.
6625 2016-04-20 Bin Cheng <bin.cheng@arm.com>
6627 PR tree-optimization/69489
6628 * tree-if-conv.c (phi_convertible_by_degenerating_args): New.
6629 (if_convertible_phi_p): Call phi_convertible_by_degenerating_args.
6630 Revise dump message.
6631 (if_convertible_bb_p): Remove check on edge count of basic block's
6634 2016-04-20 Bin Cheng <bin.cheng@arm.com>
6636 PR tree-optimization/56625
6637 PR tree-optimization/69489
6638 * tree-data-ref.h (DR_INNERMOST): New macro.
6639 * tree-if-conv.c (innermost_loop_behavior_hash): New class for
6640 hashing struct innermost_loop_behavior.
6641 (ref_DR_map): Remove.
6642 (innermost_DR_map): New map.
6643 (baseref_DR_map): Revise comment.
6644 (hash_memrefs_baserefs_and_store_DRs_read_written_info): Store DR
6645 to innermost_DR_map accroding to its innermost loop behavior.
6646 (ifcvt_memrefs_wont_trap): Get DR from innermost_DR_map according
6647 to its innermost loop behavior.
6648 (if_convertible_loop_p_1): Remove intialization for ref_DR_map.
6649 Add initialization for innermost_DR_map. Record memory reference
6650 in DR_BASE_ADDRESS if the reference is compound one or it doesn't
6651 have innermost loop behavior.
6652 (if_convertible_loop_p): Remove release for ref_DR_map. Release
6655 2016-04-20 Uros Bizjak <ubizjak@gmail.com>
6657 * config/i386/i386.md (*lea<mode>_general_1): Rename from
6658 *lea_general_1. Use explicit SWI12 mode interator.
6659 (*lea<mode>_general_2): Rename from *lea_general_2.
6660 Use explicit SWI12 mode interator.
6661 (*lea<mode>_general_3): Rename from *lea_general_3.
6662 Use explicit SWI12 mode interator.
6663 (*lea<SWI12:mode>_general_4): Split from *lea_general_4.
6664 Use explicit SWI12 mode interator.
6665 (*lea<SWI48:mode>_general_4): Split from *lea_general_4.
6666 Use explicit SWI48 mode interator.
6668 2016-04-20 H.J. Lu <hongjiu.lu@intel.com>
6670 * config/i386/i386.c (ix86_avx256_split_vector_move_misalign):
6671 Short-cut unaligned load and store cases. Handle all integer
6673 (ix86_expand_vector_move_misalign): Short-cut unaligned load
6674 and store cases. Call ix86_avx256_split_vector_move_misalign
6675 directly without checking mode class.
6677 2016-04-20 Andrew Pinski <apinski@cavium.com>
6678 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
6681 * config/aarch64/aarch64.md (sibcall): Force call
6682 address to be DImode for ILP32.
6683 (sibcall_value): Likewise.
6685 2016-04-20 H.J. Lu <hongjiu.lu@intel.com>
6687 * doc/invoke.texi: Replace -skip-rax-setup with -mskip-rax-setup.
6689 2016-04-20 Richard Biener <rguenther@suse.de>
6691 * gimple-match.h (maybe_build_generic_op): Adjust prototype.
6692 * gimple-match-head.c (maybe_build_generic_op): Pass all ops
6693 by reference, clear op1 and op2 when GENERICizing BIT_FIELD_REF.
6694 (maybe_push_res_to_seq): Adjust.
6695 * gimple-fold.c (maybe_build_generic_op): Likewise.
6697 2016-04-20 Marek Polacek <polacek@redhat.com>
6699 * tree-if-conv.c (is_false_predicate): For NULL_TREE return false
6702 2016-04-20 Ilya Enkovich <ilya.enkovich@intel.com>
6704 * config/i386/sse.md (vec_unpacks_lo_hi): Always
6705 use kmovw to support AVX512F target.
6707 2016-04-20 Bin Cheng <bin.cheng@arm.com>
6709 * tree-scalar-evolution.c (interpret_rhs_expr): Handle BIT_AND_EXPR.
6711 2016-04-20 Marek Polacek <polacek@redhat.com>
6713 PR tree-optimization/70725
6714 * tree-if-conv.c (is_false_predicate): New function.
6715 (predicate_mem_writes): Use it.
6717 2016-04-20 Richard Biener <rguenther@suse.de>
6719 PR tree-optimization/70726
6720 * tree-vect-stmts.c (vectorizable_shift): Do not use scalar
6721 shift amounts from a pattern stmt operand.
6723 2016-04-20 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
6726 * config/s390/s390.c (s390_restore_gprs_from_fprs): Pick the new
6727 stack_restore_from_fpr pattern when restoring r15.
6728 (s390_optimize_prologue): Strip away the memory barrier in the
6729 parallel when trying to get rid of restore insns.
6730 * config/s390/s390.md ("stack_restore_from_fpr"): New insn
6731 definition for loading the stack pointer from an FPR. Compared to
6732 the normal move insn this pattern includes a full memory barrier.
6734 2016-04-19 Jakub Jelinek <jakub@redhat.com>
6737 * gimplify.c (gimplify_omp_for): Call omp_notice_variable for
6738 implicitly linear or lastprivate iterator on the outer context.
6740 2016-04-19 H.J. Lu <hongjiu.lu@intel.com>
6742 * config/i386/i386.c (ix86_legitimate_combined_insn): Remove
6744 * config/i386/i386.md (ssememalign): Removed.
6745 * config/i386/sse.md: Remove ssememalign attribute from patterns.
6747 2016-04-19 H.J. Lu <hongjiu.lu@intel.com>
6750 * config/i386/avx512bwintrin.h (_mm512_mask_loadu_epi16): Pass
6751 const short * to __builtin_ia32_loaddquhi512_mask.
6752 (_mm512_maskz_loadu_epi16): Likewise.
6753 (_mm512_mask_storeu_epi16): Pass short * to
6754 __builtin_ia32_storedquhi512_mask.
6755 (_mm512_mask_loadu_epi8): Pass const char * to
6756 __builtin_ia32_loaddquqi512_mask.
6757 (_mm512_maskz_loadu_epi8): Likewise.
6758 (_mm512_mask_storeu_epi8): Pass char * to
6759 __builtin_ia32_storedquqi512_mask.
6760 * config/i386/avx512fintrin.h (_mm512_loadu_pd): Pass
6761 const double * to __builtin_ia32_loadupd512_mask.
6762 (_mm512_mask_loadu_pd): Likewise.
6763 (_mm512_maskz_loadu_pd): Likewise.
6764 (_mm512_storeu_pd): Pass double * to
6765 __builtin_ia32_storeupd512_mask.
6766 (_mm512_mask_storeu_pd): Likewise.
6767 (_mm512_loadu_ps): Pass const float * to
6768 __builtin_ia32_loadups512_mask.
6769 (_mm512_mask_loadu_ps): Likewise.
6770 (_mm512_maskz_loadu_ps): Likewise.
6771 (_mm512_storeu_ps): Pass float * to
6772 __builtin_ia32_storeups512_mask.
6773 (_mm512_mask_storeu_ps): Likewise.
6774 (_mm512_mask_loadu_epi64): Pass const long long * to
6775 __builtin_ia32_loaddqudi512_mask.
6776 (_mm512_maskz_loadu_epi64): Likewise.
6777 (_mm512_mask_storeu_epi64): Pass long long *
6778 to __builtin_ia32_storedqudi512_mask.
6779 (_mm512_loadu_si512): Pass const int * to
6780 __builtin_ia32_loaddqusi512_mask.
6781 (_mm512_mask_loadu_epi32): Likewise.
6782 (_mm512_maskz_loadu_epi32): Likewise.
6783 (_mm512_storeu_si512): Pass int * to
6784 __builtin_ia32_storedqusi512_mask.
6785 (_mm512_mask_storeu_epi32): Likewise.
6786 * config/i386/avx512vlbwintrin.h (_mm256_mask_storeu_epi8): Pass
6787 char * to __builtin_ia32_storedquqi256_mask.
6788 (_mm_mask_storeu_epi8): Likewise.
6789 (_mm256_mask_loadu_epi16): Pass const short * to
6790 __builtin_ia32_loaddquhi256_mask.
6791 (_mm256_maskz_loadu_epi16): Likewise.
6792 (_mm_mask_loadu_epi16): Pass const short * to
6793 __builtin_ia32_loaddquhi128_mask.
6794 (_mm_maskz_loadu_epi16): Likewise.
6795 (_mm256_mask_loadu_epi8): Pass const char * to
6796 __builtin_ia32_loaddquqi256_mask.
6797 (_mm256_maskz_loadu_epi8): Likewise.
6798 (_mm_mask_loadu_epi8): Pass const char * to
6799 __builtin_ia32_loaddquqi128_mask.
6800 (_mm_maskz_loadu_epi8): Likewise.
6801 (_mm256_mask_storeu_epi16): Pass short * to.
6802 __builtin_ia32_storedquhi256_mask.
6803 (_mm_mask_storeu_epi16): Pass short * to.
6804 __builtin_ia32_storedquhi128_mask.
6805 * config/i386/avx512vlintrin.h (_mm256_mask_loadu_pd): Pass
6806 const double * to __builtin_ia32_loadupd256_mask.
6807 (_mm256_maskz_loadu_pd): Likewise.
6808 (_mm_mask_loadu_pd): Pass onst double * to
6809 __builtin_ia32_loadupd128_mask.
6810 (_mm_maskz_loadu_pd): Likewise.
6811 (_mm256_mask_storeu_pd): Pass double * to
6812 __builtin_ia32_storeupd256_mask.
6813 (_mm_mask_storeu_pd): Pass double * to
6814 __builtin_ia32_storeupd128_mask.
6815 (_mm256_mask_loadu_ps): Pass const float * to
6816 __builtin_ia32_loadups256_mask.
6817 (_mm256_maskz_loadu_ps): Likewise.
6818 (_mm_mask_loadu_ps): Pass const float * to
6819 __builtin_ia32_loadups128_mask.
6820 (_mm_maskz_loadu_ps): Likewise.
6821 (_mm256_mask_storeu_ps): Pass float * to
6822 __builtin_ia32_storeups256_mask.
6823 (_mm_mask_storeu_ps): ass float * to
6824 __builtin_ia32_storeups128_mask.
6825 (_mm256_mask_loadu_epi64): Pass const long long * to
6826 __builtin_ia32_loaddqudi256_mask.
6827 (_mm256_maskz_loadu_epi64): Likewise.
6828 (_mm_mask_loadu_epi64): Pass const long long * to
6829 __builtin_ia32_loaddqudi128_mask.
6830 (_mm_maskz_loadu_epi64): Likewise.
6831 (_mm256_mask_storeu_epi64): Pass long long * to
6832 __builtin_ia32_storedqudi256_mask.
6833 (_mm_mask_storeu_epi64): Pass long long * to
6834 __builtin_ia32_storedqudi128_mask.
6835 (_mm256_mask_loadu_epi32): Pass const int * to
6836 __builtin_ia32_loaddqusi256_mask.
6837 (_mm256_maskz_loadu_epi32): Likewise.
6838 (_mm_mask_loadu_epi32): Pass const int * to
6839 __builtin_ia32_loaddqusi128_mask.
6840 (_mm_maskz_loadu_epi32): Likewise.
6841 (_mm256_mask_storeu_epi32): Pass int * to
6842 __builtin_ia32_storedqusi256_mask.
6843 (_mm_mask_storeu_epi32): Pass int * to
6844 __builtin_ia32_storedqusi128_mask.
6845 * config/i386/i386-builtin-types.def (PCSHORT): New.
6847 (V64QI_FTYPE_PCCHAR_V64QI_UDI): Likewise.
6848 (V32HI_FTYPE_PCSHORT_V32HI_USI): Likewise.
6849 (V32QI_FTYPE_PCCHAR_V32QI_USI): Likewise.
6850 (V16SF_FTYPE_PCFLOAT_V16SF_UHI): Likewise.
6851 (V8DF_FTYPE_PCDOUBLE_V8DF_UQI): Likewise.
6852 (V16SI_FTYPE_PCINT_V16SI_UHI): Likewise.
6853 (V16HI_FTYPE_PCSHORT_V16HI_UHI): Likewise.
6854 (V16QI_FTYPE_PCCHAR_V16QI_UHI): Likewise.
6855 (V8SF_FTYPE_PCFLOAT_V8SF_UQI): Likewise.
6856 (V8DI_FTYPE_PCINT64_V8DI_UQI): Likewise.
6857 (V8SI_FTYPE_PCINT_V8SI_UQI): Likewise.
6858 (V8HI_FTYPE_PCSHORT_V8HI_UQI): Likewise.
6859 (V4DF_FTYPE_PCDOUBLE_V4DF_UQI): Likewise.
6860 (V4SF_FTYPE_PCFLOAT_V4SF_UQI): Likewise.
6861 (V4DI_FTYPE_PCINT64_V4DI_UQI): Likewise.
6862 (V4SI_FTYPE_PCINT_V4SI_UQI): Likewise.
6863 (V2DF_FTYPE_PCDOUBLE_V2DF_UQI): Likewise.
6864 (V2DI_FTYPE_PCINT64_V2DI_UQI): Likewise.
6865 (VOID_FTYPE_PDOUBLE_V8DF_UQI): Likewise.
6866 (VOID_FTYPE_PDOUBLE_V4DF_UQI): Likewise.
6867 (VOID_FTYPE_PDOUBLE_V2DF_UQI): Likewise.
6868 (VOID_FTYPE_PFLOAT_V16SF_UHI): Likewise.
6869 (VOID_FTYPE_PFLOAT_V8SF_UQI): Likewise.
6870 (VOID_FTYPE_PFLOAT_V4SF_UQI): Likewise.
6871 (VOID_FTYPE_PINT64_V8DI_UQI): Likewise.
6872 (VOID_FTYPE_PINT64_V4DI_UQI): Likewise.
6873 (VOID_FTYPE_PINT64_V2DI_UQI): Likewise.
6874 (VOID_FTYPE_PINT_V16SI_UHI): Likewise.
6875 (VOID_FTYPE_PINT_V8SI_UHI): Likewise.
6876 (VOID_FTYPE_PINT_V4SI_UHI): Likewise.
6877 (VOID_FTYPE_PSHORT_V32HI_USI): Likewise.
6878 (VOID_FTYPE_PSHORT_V16HI_UHI): Likewise.
6879 (VOID_FTYPE_PSHORT_V8HI_UQI): Likewise.
6880 (VOID_FTYPE_PCHAR_V64QI_UDI): Likewise.
6881 (VOID_FTYPE_PCHAR_V32QI_USI): Likewise.
6882 (VOID_FTYPE_PCHAR_V16QI_UHI): Likewise.
6883 (V64QI_FTYPE_PCV64QI_V64QI_UDI): Removed.
6884 (V32HI_FTYPE_PCV32HI_V32HI_USI): Likewise.
6885 (V32QI_FTYPE_PCV32QI_V32QI_USI): Likewise.
6886 (V16HI_FTYPE_PCV16HI_V16HI_UHI): Likewise.
6887 (V16QI_FTYPE_PCV16QI_V16QI_UHI): Likewise.
6888 (V8HI_FTYPE_PCV8HI_V8HI_UQI): Likewise.
6889 (VOID_FTYPE_PV32HI_V32HI_USI): Likewise.
6890 (VOID_FTYPE_PV16HI_V16HI_UHI): Likewise.
6891 (VOID_FTYPE_PV8HI_V8HI_UQI): Likewise.
6892 (VOID_FTYPE_PV64QI_V64QI_UDI): Likewise.
6893 (VOID_FTYPE_PV32QI_V32QI_USI): Likewise.
6894 (VOID_FTYPE_PV16QI_V16QI_UHI): Likewise.
6895 * config/i386/i386.c (ix86_emit_save_reg_using_mov): Don't
6897 (ix86_emit_restore_sse_regs_using_mov): Don't use UNSPEC_LOADU.
6898 (ix86_avx256_split_vector_move_misalign): Don't use unaligned
6900 (ix86_expand_vector_move_misalign): Likewise.
6901 (bdesc_special_args): Use CODE_FOR_movvNXY_internal and pointer
6902 to scalar function prototype for unaligned load/store builtins.
6903 (ix86_expand_special_args_builtin): Updated.
6904 * config/i386/sse.md (UNSPEC_LOADU): Removed.
6905 (UNSPEC_STOREU): Likewise.
6906 (VI_ULOADSTORE_BW_AVX512VL): Likewise.
6907 (VI_ULOADSTORE_F_AVX512VL): Likewise.
6908 (ssescalarsize): Handle V4TI, V2TI and V1TI.
6909 (<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
6910 (*<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
6911 (<sse>_storeu<ssemodesuffix><avxsizesuffix>): Likewise.
6912 (<avx512>_storeu<ssemodesuffix><avxsizesuffix>_mask): Likewise.
6913 (<sse2_avx_avx512f>_loaddqu<mode><mask_name>): Likewise.
6914 (*<sse2_avx_avx512f>_loaddqu<mode><mask_name>"): Likewise.
6915 (sse2_avx_avx512f>_storedqu<mode>): Likewise.
6916 (<avx512>_storedqu<mode>_mask): Likewise.
6917 (*sse4_2_pcmpestr_unaligned): Likewise.
6918 (*sse4_2_pcmpistr_unaligned): Likewise.
6919 (*mov<mode>_internal): Renamed to ...
6920 (mov<mode>_internal): This. Remove check of AVX and IAMCU on
6921 misaligned operand. Replace vmovdqu64 with vmovdqu<ssescalarsize>.
6922 (movsd/movhpd to movupd peephole): Don't use UNSPEC_LOADU.
6923 (movlpd/movhpd to movupd peephole): Don't use UNSPEC_STOREU.
6925 2016-04-19 Richard Biener <rguenther@suse.de>
6927 PR tree-optimization/70171
6928 * tree-ssa-phiprop.c: Include stor-layout.h.
6929 (phiprop_insert_phi): Handle the aggregate copy case.
6930 (propagate_with_phi): Likewise.
6932 2016-04-19 Uros Bizjak <ubizjak@gmail.com>
6934 * config/i386/i386.c (ix86_decompose_address): Use lowpart_subreg
6935 instead of simplify_gen_subreg (... , 0).
6936 (ix86_delegitimize_address): Ditto.
6937 (ix86_split_divmod): Ditto.
6938 (ix86_split_copysign_const): Ditto.
6939 (ix86_split_copysign_var): Ditto.
6940 (ix86_expand_args_builtin): Ditto.
6941 (ix86_expand_round_builtin): Ditto.
6942 (ix86_expand_special_args_builtin): Ditto.
6943 * config/i386/i386.md (TARGET_USE_VECTOR_FP_CONVERTS splitters): Ditto.
6944 (TARGET_SSE_PARTIAL_REG_DEPENDENCY splitters and peephole2s): Ditto.
6945 (udivmodqi4): Ditto.
6946 (absneg splitters): Ditto.
6947 (*jcc_bt<mode>_1): Ditto.
6949 2016-04-19 Richard Biener <rguenther@suse.de>
6951 PR tree-optimization/70724
6952 * tree-ssa-sccvn.c (scc_vn_restore_ssa_info): Split SSA info
6953 restoring out from ...
6954 (free_scc_vn): ... here.
6955 * tree-ssa-sccvn.h (scc_vn_restore_ssa_info): Declare.
6956 * tres-ssa-pre.c (pass_pre::execute): Restore SSA info before
6958 (pass_fre::execute): Restore SSA info.
6960 2016-04-19 Richard Biener <rguenther@suse.de>
6962 * gimple-walk.h (struct walk_stmt_info): Add stmt member.
6963 * gimple-walk.c (walk_gimple_op): Initialize it.
6964 (walk_gimple_asm): Set wi->is_lhs before each callback invocation.
6965 * tree-inline.c (remap_gimple_op_r): Set SSA_NAME_DEF_STMT when
6966 remapping SSA names of defs.
6967 (copy_bb): Remove walk over all SSA defs and SSA_NAME_DEF_STMT
6970 2016-04-18 Vladimir Makarov <vmakarov@redhat.com>
6973 * lra-constraints.c (equiv_substition_p): New.
6974 (process_alt_operands): Use it.
6975 (swap_operands): Swap it.
6976 (curr_insn_transform): Update it.
6978 2016-04-18 Michael Matz <matz@suse.de>
6980 * tree.h (TYPE_ALIGN, DECL_ALIGN): Return shifted amount.
6981 (SET_TYPE_ALIGN, SET_DECL_ALIGN): New.
6982 * tree-core.h (tree_type_common.align): Use bit-field.
6983 (tree_type_common.spare): New.
6984 (tree_decl_common.off_align): Make smaller.
6985 (tree_decl_common.align): Use bit-field.
6987 * expr.c (expand_expr_addr_expr_1): Use SET_TYPE_ALIGN.
6988 * omp-low.c (install_var_field): Use SET_DECL_ALIGN.
6989 (scan_sharing_clauses): Ditto.
6990 (finish_taskreg_scan): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
6991 (omp_finish_file): Ditto.
6992 * stor-layout.c (do_type_align): Use SET_DECL_ALIGN.
6993 (layout_decl): Ditto.
6994 (relayout_decl): Ditto.
6995 (finalize_record_size): Use SET_TYPE_ALIGN.
6996 (finalize_type_size): Ditto.
6997 (finish_builtin_struct): Ditto.
6998 (layout_type): Ditto.
6999 (initialize_sizetypes): Ditto.
7000 * targhooks.c (std_gimplify_va_arg_expr): Use SET_TYPE_ALIGN.
7001 * tree-nested.c (insert_field_into_struct): Use SET_TYPE_ALIGN.
7002 (lookup_field_for_decl): Use SET_DECL_ALIGN.
7003 (get_chain_field): Ditto.
7004 (get_trampoline_type): Ditto.
7005 (get_nl_goto_field): Ditto.
7006 * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
7008 (unpack_ts_type_common_value_fields): Use SET_TYPE_ALIGN.
7009 * gimple-expr.c (copy_var_decl): Use SET_DECL_ALIGN.
7010 * tree.c (make_node_stat): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
7011 (build_qualified_type): Use SET_TYPE_ALIGN.
7012 (build_aligned_type, build_range_type_1): Ditto.
7013 (build_atomic_base): Ditto.
7014 (build_common_tree_nodes): Ditto.
7015 * cfgexpand.c (align_local_variable): Use SET_DECL_ALIGN.
7016 (expand_one_stack_var_at): Ditto.
7017 * coverage.c (build_var): Use SET_DECL_ALIGN.
7018 * except.c (init_eh): Ditto.
7019 * function.c (assign_parm_setup_block): Ditto.
7020 * symtab.c (increase_alignment_1): Ditto.
7021 * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Ditto.
7022 * tree-vect-stmts.c (ensure_base_align): Ditto.
7023 * varasm.c (align_variable): Ditto.
7024 (assemble_variable): Ditto.
7025 (build_constant_desc): Ditto.
7026 (output_constant_def_contents): Ditto.
7028 * config/arm/arm.c (arm_relayout_function): Use SET_DECL_ALIGN.
7029 * config/avr/avr.c (avr_adjust_type_node): Use SET_TYPE_ALIGN.
7030 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): Ditto.
7031 * config/msp430/msp430.c (msp430_gimplify_va_arg_expr): Ditto.
7032 * config/spu/spu.c (spu_build_builtin_va_list): Use SET_DECL_ALIGN.
7034 2016-04-18 H.J. Lu <hongjiu.lu@intel.com>
7037 * config/i386/sse.md (sse2_loadlpd): Accept load from "xm" and
7038 replace %vmovsd with "%vmovq".
7039 (vec_concatv2df): Likewise.
7041 2016-04-18 Uros Bizjak <ubizjak@gmail.com>
7043 * config/i386/mmx.md (*vec_extractv2sf_0): Use gen_lowpart.
7044 (*vec_extractv2si_0): Ditto.
7045 * config/i386/sse.md (*vec_extractv4sf_0): Ditto.
7046 (zero_extended_scalar_load_operand splitters): Ditto.
7047 (vec_extract splitters): Ditto.
7048 (*vec_extractv4si_0_zext): Ditto.
7049 (avx_<castmode><avxsizesuffix>_<castmode>): Use gen_lowpart
7051 (avx512f_<castmode><avxsizesuffix>_<castmode>): Ditto.
7052 (avx512f_<castmode><avxsizesuffix>_256<castmode>): Ditto.
7053 (*sse4_1_extractps): Use lowpart_subreg.
7054 * config/i386/i386.md (x87 floatsplitter): Use gen_lowpart.
7056 2016-04-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7058 * doc/install.texi (Specific, i?86-*-solaris2.10): Update gas and
7060 (Specific, *-*-solaris2*): Update Solaris 11 bundled gcc versions.
7061 Mention Solaris 11 packaging changes.
7062 Update gas and gld requirements.
7063 Remove reference to pre-Solaris 10 bug.
7064 (Specific, sparc-sun-solaris2*): Remove reference to pre-Solaris 10
7066 (Specific, sparc64-*-solaris2*): Remove reference to bootstrap
7069 2016-04-17 Jan Hubicka <jh@suse.cz>
7071 * tree-ssa-loop-ivopts.c (avg_loop_niter): Use also
7072 max_loop_iterations_int.
7074 2016-04-18 Richard Biener <rguenther@suse.de>
7076 PR tree-optimization/43434
7077 * tree-ssa-structalias.c (struct vls_data): New.
7078 (visit_loadstore): Handle all pointer-based accesses.
7079 (compute_dependence_clique): Compute a bitmap of restrict tags
7080 assigned bases and pass it to visit_loadstore.
7082 2016-04-18 Matthew Wahab <matthew.wahab@arm.com>
7085 * config/arm/bpabi.h (BE8_LINK_SPEC): Add entries for armv8+crc,
7086 armv8.1-a and armv8.1-a+crc.
7088 2016-04-18 Richard Biener <rguenther@suse.de>
7090 PR tree-optimization/70701
7091 * tree-ssa-sccvn.c (vn_reference_lookup_3): Resolve fully constant
7092 references after translating through a memcpy.
7094 2016-04-18 Richard Biener <rguenther@suse.de>
7096 * tree-ssa-pre.c (postorder, postorder_num): Make locals ...
7097 (compute_antic): ... here. For partial antic use regular
7098 postorder and scrap iteration.
7099 (compute_partial_antic_aux): Remove unused return value.
7100 (init_pre): Do not allocate postorder.
7101 (fini_pre): Do not free postorder.
7103 2016-04-18 Richard Biener <rguenther@suse.de>
7106 * expmed.c (extract_bit_field_1): Remove broken case
7107 using a wider MODE_INT mode.
7109 2016-04-18 Segher Boessenkool <segher@kernel.crashing.org>
7111 * has-brig.c (lendian16): Don't try to use __builtin_bswap16
7112 unless compiling with at least GCC-4.8.
7114 2016-04-17 Jan Hubicka <jh@suse.cz>
7117 * graphite.c (graphite_finalize): Update call to
7118 tree_estimate_probability.
7119 * predict.h (tree_estimate_probability): Update prototype.
7121 2016-04-17 Jan Hubicka <jh@suse.cz>
7123 * predict.c (combine_predictions_for_bb): Add dry_run parmaeter.
7124 (tree_estimate_probability): Likewise.
7125 (pass_profile::execute): Update.
7126 (report_predictor_hitrates): New function.
7127 * profile.c (compute_branch_probabilities): Use it.
7128 * predict.h (report_predictor_hitrates): Declare.
7130 2016-04-17 Jan Hubicka <jh@suse.cz>
7133 * cgraph.h (cgraph_node::set_const_flag,
7134 cgraph_node::set_pure_flag): Update prototype to return bool;
7136 * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases): Thunks
7137 of interposable symbol are interposable, too.
7138 (cgraph_set_const_flag_1): Rename to ...
7139 (set_const_flag_1): ... this one; change to self recursive function
7140 instead of call_for_symbol_thunks_and_aliases. Handle correctly
7141 clearnig the flag in all variants and also virtual thunks of const
7142 functions are pure; track if any change was done.
7143 (cgraph_node::set_const_flag): Update.
7144 (struct set_pure_flag_info): New struct.
7145 (cgraph_set_pure_flag_1): Rename to ...
7146 (set_pure_flag_1): ... this one; take set_pure_flag_info parameter
7147 rather than pointer encoded flags; track if any changes was done;
7148 handle correctly clearning flag and setting flag of aliases already
7150 (cgraph_node::set_pure_flag): Update.
7151 (cgraph_node::set_nothrow_flag): Handle correctly clearning the flag.
7153 2016-04-17 Tom de Vries <tom@codesourcery.com>
7156 * pretty-print.c (pp_write_text_as_dot_label_to_stream): Escape
7159 2016-04-17 Tom de Vries <tom@codesourcery.com>
7161 * pretty-print.c (pp_write_text_as_dot_label_to_stream): Classify chars
7162 '{}<> ' as escape-for-record.
7164 2016-04-17 Tom de Vries <tom@codesourcery.com>
7166 * pretty-print.c (pp_write_text_as_dot_label_to_stream): Simplify loop
7169 2016-04-17 Tom de Vries <tom@codesourcery.com>
7172 * tree-pass.h (class opt_pass): Remove graph_dump_initialized member.
7173 * dumpfile.h (struct dump_file_info): Add graph_dump_initialized field.
7174 * dumpfile.c (dump_files): Initialize graph_dump_initialized field.
7175 * passes.c (finish_optimization_passes): Only call
7176 finish_graph_dump_file if dfi->graph_dump_initialized.
7177 (execute_function_dump, pass_init_dump_file): Use
7178 dfi->graph_dump_initialized instead of pass->graph_dump_initialized.
7180 2016-04-17 Tom de Vries <tom@codesourcery.com>
7182 PR tree-optimization/70256
7183 * tree-ssa-structalias.c (dump_varinfo, debug_varinfo, dump_varmap)
7184 (debug_varmap): New function.
7186 2016-04-17 Tom de Vries <tom@codesourcery.com>
7189 * passes.c (pass_manager::register_pass): Propagate pflags.
7191 2016-04-17 Tom de Vries <tom@codesourcery.com>
7194 * pass_manager.h (TERMINATE_PASS_LIST): Add pass argument.
7195 * passes.c (pass_manager::pass_manager): Declare and init p_start in
7196 INSERT_PASSES_AFTER. Add pass parameter to TERMINATE_PASS_LIST, and
7197 check if it's equal to p_start.
7198 * passes.def: Add arguments to TERMINATE_PASS_LISTs.
7200 2016-04-15 Jan Hubicka <jh@suse.cz>
7203 * cgraph.c (cgraph_set_const_flag_1): Only set as pure if
7204 function does not bind to current def.
7205 * ipa-pure-const.c (worse_state): Add FROM and TO parameters;
7206 handle conservatively calls to functions that does not need to bind
7208 (check_call): Update call of worse_state.
7209 (ignore_edge_for_nothrow): Update.
7210 (ignore_edge_for_pure_const): Likewise.
7211 (propagate_pure_const): Update calls to worse_state.
7212 (skip_function_for_local_pure_const): Reformat comments.
7214 2016-04-15 Jan Hubicka <jh@suse.cz>
7217 * cgraph.c (cgraph_node::get_availability): Add REF parameter.
7218 (cgraph_node::function_symbol): Likewise.
7219 (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
7220 * cgraph.h (symtab_node::get_availabbility): Add REF parameter.
7221 (symtab_node::ultimate_alias_target): Add REF parameter.
7222 (symtab_node::binds_to_current_def_p): Declare.
7223 (symtab_node;:ultimate_alias_target_1): Add REF parameter.
7224 (cgraph_node::function_symbol): Likewise.
7225 (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
7226 (cgraph_node::get_availability): Likewise.
7227 (cgraph_edge::binds_to_current_def_p): New inline function.
7228 (varpool_node::get_availability): Add REF parameter.
7229 (varpool_node::ultimate_alias_target): Likewise.
7230 * symtab.c (symtab_node::ultimate_alias_target_1): Likewise.
7231 (symtab_node::binds_to_current_def_p): Likewise.
7232 * varpool.c (varpool_node::get_availability): Likewise.
7234 2016-04-15 Kirill Yukhin <kirill.yukhin@intel.com>
7237 * config/i386/sse.md(define_insn "<avx512>_vec_dup<mode><mask_name>"):
7238 Fix mode size check.
7240 2016-04-15 Jakub Jelinek <jakub@redhat.com>
7242 * BASE-VER: Set to 7.0.0.
7244 2016-04-15 Alexander Monakov <amonakov@ispras.ru>
7246 * config/nvptx/nvptx.opt (moptimize): Add a period at end of help text.
7248 2016-04-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
7250 * doc/invoke.texi (ARM Options): Add note on deprecation of pre-ARMv4T
7251 architecture revisions.
7253 2016-04-15 Bernd Schmidt <bschmidt@redhat.com>
7255 * config/i386/i386-protos.h (ix86_using_red_zone): Declare.
7256 * config/i386/i386.c (ix86_using_red_zone): No longer static.
7257 * config/i386/i386.md (stack decrement to push peepholes): Guard
7258 with !x86_using_red_zone ().
7260 2016-04-15 Jakub Jelinek <jakub@redhat.com>
7263 * tree-pretty-print.c (do_niy): Add FLAGS argument, pass it down
7264 to dump_generic_node.
7265 (NIY): Pass also flags to do_niy.
7267 2016-04-15 Thomas Schwinge <thomas@codesourcery.com>
7269 * omp-low.c (simd_clone_struct_alloc, simd_clone_struct_copy)
7270 (simd_clone_vector_of_formal_parm_types)
7271 (simd_clone_clauses_extract, simd_clone_compute_base_data_type)
7272 (simd_clone_mangle, simd_clone_create)
7273 (simd_clone_adjust_return_type, create_tmp_simd_array)
7274 (simd_clone_adjust_argument_types, simd_clone_init_simd_arrays)
7275 (struct modify_stmt_info, ipa_simd_modify_stmt_ops)
7276 (ipa_simd_modify_function_body, simd_clone_linear_addend)
7277 (simd_clone_adjust, expand_simd_clones, ipa_omp_simd_clone)
7278 (pass_data_omp_simd_clone, class pass_omp_simd_clone)
7279 (pass_omp_simd_clone::gate, make_pass_omp_simd_clone): Move into...
7280 * omp-simd-clone.c: ... this new file.
7281 (simd_clone_vector_of_formal_parm_types): Make it static.
7282 * Makefile.in (OBJS): Add omp-simd-clone.o.
7284 2016-04-15 Kirill Yukhin <kirill.yukhin@intel.com>
7287 * config/i386/sse.md: Use proper memory operand modifiers.
7290 2016-04-15 Richard Biener <rguenther@suse.de>
7291 Alan Modra <amodra@gmail.com>
7293 PR tree-optimization/70130
7294 * tree-vect-data-refs.c (vect_supportable_dr_alignment): Detect
7295 when alignment stays not the same and no not use the realign
7298 2016-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
7301 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
7302 direct move handlers for KFmode. Change TFmode handlers test from
7303 FLOAT128_IEEE_P to FLOAT128_VECTOR_P.
7305 2016-04-14 Jakub Jelinek <jakub@redhat.com>
7308 * ipa-utils.h (polymorphic_ctor_dtor_p): New prototype.
7309 * ipa-polymorphic-call.c (polymorphic_ctor_dtor_p): New function.
7310 (inlined_polymorphic_ctor_dtor_block_p): Use it.
7311 * tree-ssa-live.c (remove_unused_scope_block_p): When
7312 in_ctor_dtor_block, avoid discarding not just BLOCKs with
7313 BLOCK_ABSTRACT_ORIGIN being FUNCTION_DECL, but even when
7314 block_ultimate_origin is FUNCTION_DECL.
7315 (remove_unused_locals): If current_function_decl is
7316 polymorphic_ctor_dtor_p, pass initial true to
7317 remove_unused_scope_block_p' is_ctor_dtor_block.
7319 2016-04-14 Martin Sebor <msebor@redhat.com>
7324 * doc/extend.texi (Variable Length): Revert.
7326 2016-04-14 Marek Polacek <polacek@redhat.com>
7327 Jan Hubicka <hubicka@ucw.cz>
7330 * tree.c (verify_type): Disable the canonical type of main variant
7333 2016-04-14 Jason Merrill <jason@redhat.com>
7335 * cfgexpand.c, expr.c: Revert previous change.
7337 2016-04-14 Cesar Philippidis <cesar@codesourcery.com>
7340 * omp-low.c (lower_oacc_reductions): Check for TREE_CONSTANT
7341 when building a mem ref for the incoming reduction variable.
7343 2016-04-14 Richard Biener <rguenther@suse.de>
7345 PR tree-optimization/70614
7346 * tree-scalar-evolution.c (analyze_evolution_in_loop): Terminate
7347 loop if the evolution dropped to chrec_dont_know.
7348 (interpret_condition_phi): Likewise.
7350 2016-04-14 Richard Biener <rguenther@suse.de>
7352 PR tree-optimization/70623
7353 * tree-ssa-pre.c (changed_blocks): Make global ...
7354 (compute_antic): ... local here. Move and fix worklist
7355 handling here. Do not clear EDGE_DFS_BACK or call mark_dfs_back_edges.
7356 (compute_antic_aux): Add dumping for MAX assumed succs. Remove
7357 worklist handling, dump when ANTIC_IN changed.
7358 (compute_partial_antic_aux): Remove worklist handling.
7359 (init_pre): Do not compute post dominators. Add a comment about
7360 the CFG order chosen.
7361 (fini_pre): Do not free post dominators.
7363 2016-04-13 Martin Sebor <msebor@redhat.com>
7368 * doc/extend.texi (Variable Length): Document C++ specifics.
7370 2016-04-13 Jakub Jelinek <jakub@redhat.com>
7373 * ipa-pure-const.c (pass_nothrow::execute): Call maybe_clean_eh_stmt
7374 on all recursive call stmts. Return TODO_cleanup_cfg if any dead
7375 eh edges have been purged.
7378 * tree-sra.c (create_access_replacement,
7379 get_replaced_param_substitute): Set DECL_NAMELESS on repl if it
7381 * tree-pretty-print.c (dump_fancy_name): New function.
7382 (dump_decl_name, dump_generic_node): Use it.
7384 2016-04-13 Jason Merrill <jason@redhat.com>
7386 * cfgexpand.c (pass_expand::execute): Handle attribute "abi warning".
7387 * expr.c (expand_expr_real_1): Likewise.
7389 2016-04-13 Ilya Enkovich <ilya.enkovich@intel.com>
7391 * config/i386/i386.md (kunpckhi): Swap operands.
7392 (kunpcksi): Likewise.
7393 (kunpckdi): Likewise.
7394 * config/i386/sse.md (vec_pack_trunc_qi): Likewise.
7395 (vec_pack_trunc_<mode>): Likewise.
7397 2016-04-13 Jakub Jelinek <jakub@redhat.com>
7400 * explow.c (convert_memory_address_addr_space_1): Formatting fix.
7403 * gimplify.c (gimplify_init_constructor): Clear TREE_STATIC if
7404 gimplification turns some element into non-constant.
7407 * rtl.h (convert_memory_address_addr_space_1): New prototype.
7408 * explow.c (convert_memory_address_addr_space_1): No longer static,
7409 add NO_EMIT argument and don't call convert_modes if true, pass
7410 it down recursively, remove break after return.
7411 (convert_memory_address_addr_space): Adjust caller.
7412 * simplify-rtx.c (simplify_unary_operation_1): Call
7413 convert_memory_address_addr_space_1 instead of convert_memory_address,
7414 if it returns NULL, don't simplify.
7416 2016-04-12 Eric Botcazou <ebotcazou@adacore.com>
7419 * config/sparc/sparc.c (sparc_compute_frame_size): Add parentheses.
7421 2016-04-12 Jakub Jelinek <jakub@redhat.com>
7423 * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
7424 Bump the upper SIMDLEN limits, so that if the return type or
7425 characteristic type if the return type is void can be passed in
7426 all available SSE2/AVX/AVX2/AVX512-F registers, the SIMDLEN is
7429 2016-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
7432 * config/rs6000/rs6000.md (ieee_128bit_vsx_neg<mode>2_internal):
7433 Do not use "=" constraint on an input constraint.
7434 (ieee_128bit_vsx_abs<mode>2_internal): Likewise.
7435 (ieee_128bit_vsx_nabs<mode>2_internal): Likewise.
7436 (ieee_128bit_vsx_nabs<mode>2): Correct splitter so that it
7437 generates (neg (abs ...)) instead of (abs ...).
7439 2016-04-12 Jakub Jelinek <jakub@redhat.com>
7441 PR rtl-optimization/70596
7442 * lra-spills.c (spill_pseudos): Don't delete debug insns, instead
7443 just invalidate LRA data and reset them. Adjust dump wording.
7445 2016-04-12 Martin Liska <mliska@suse.cz>
7448 2016-03-30 Jan Hubicka <hubicka@ucw.cz>
7450 * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
7452 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
7453 max_loop_iterations_int.
7454 (tree_unswitch_outer_loop): Likewise.
7455 * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
7456 * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
7458 2016-04-12 Tom de Vries <tom@codesourcery.com>
7460 PR tree-optimization/68756
7461 * graphite-isl-ast-to-gimple.c (copy_cond_phi_args): Use new_expr
7462 instead of new_name.
7464 2016-04-12 Jakub Jelinek <jakub@redhat.com>
7466 PR tree-optimization/70602
7467 * tree-sra.c (generate_subtree_copies): Don't write anything into
7468 constant pool decls.
7470 * omp-low.c (lower_omp_target): Use GOMP_MAP_FIRSTPRIVATE_INT
7471 regardless whether there are depend clauses or not.
7473 2016-04-11 Michael Meissner <meissner@linux.vnet.ibm.com>
7476 * config/rs6000/rs6000.c (rs6000_opt_masks): Disable using the
7477 target attribute and pragma from changing the -mfloat128
7478 and -mfloat128-hardware options.
7480 * doc/extend.texi (Additional Floating Types): Document PowerPC
7481 __float128 restrictions.
7483 2016-04-11 James Greenhalgh <james.greenhalgh@arm.com>
7486 * config/aarch64/driver-aarch64.c
7487 (aarch64_get_extension_string_for_isa_flags): New.
7488 (arch_extension): Rename to...
7489 (aarch64_arch_extension): ...This.
7490 (ext_to_feat_string): Rename to...
7491 (aarch64_extensions): ...This.
7492 (aarch64_core_data): Keep track of architecture extension flags.
7493 (cpu_data): Rename to...
7494 (aarch64_cpu_data): ...This.
7495 (aarch64_arch_driver_info): Keep track of architecture extension
7497 (get_arch_name_from_id): Rename to...
7498 (get_arch_from_id): ...This, change return type.
7499 (host_detect_local_cpu): Update and reformat for renames, handle
7500 extensions through common infrastructure.
7502 2016-04-11 James Greenhalgh <james.greenhalgh@arm.com>
7505 * config/aarch64/aarch64-common.c (aarch64_option_extension): Keep
7506 track of a canonical flag name.
7507 (all_extensions): Likewise.
7508 (arch_to_arch_name): Also track extension flags enabled by the arch.
7509 (all_architectures): Likewise.
7510 (aarch64_parse_extension): Move to here.
7511 (aarch64_get_extension_string_for_isa_flags): Take a new argument,
7513 (aarch64_rewrite_selected_cpu): Update for above change.
7514 * config/aarch64/aarch64-option-extensions.def: Rework the way flags
7515 are handled, such that the single explicit value enabled by an
7516 extension is kept seperate from the implicit values it also enables.
7517 * config/aarch64/aarch64-protos.h (aarch64_parse_opt_result): Move
7519 (aarch64_parse_extension): New.
7520 * config/aarch64/aarch64.c (aarch64_parse_opt_result): Move from
7521 here to config/aarch64/aarch64-protos.h.
7522 (aarch64_parse_extension): Move from here to
7523 common/config/aarch64/aarch64-common.c.
7524 (aarch64_option_print): Update.
7525 (aarch64_declare_function_name): Likewise.
7526 (aarch64_start_file): Likewise.
7527 * config/aarch64/driver-aarch64.c (arch_extension): Keep track of
7528 the canonical flag for extensions.
7529 * config.gcc (aarch64*-*-*): Extend regex for capturing extension
7532 2016-04-11 James Greenhalgh <james.greenhalgh@arm.com>
7534 * config/aarch64/aarch64.h (AARCH64_FL_FOR_ARCH8_1): Also add
7537 2016-04-09 Tom de Vries <tom@codesourcery.com>
7539 PR tree-optimization/68953
7540 * graphite-sese-to-poly.c (pdr_add_memory_accesses): Order accesses from
7541 first to last subscript.
7543 2016-04-09 Jakub Jelinek <jakub@redhat.com>
7545 PR tree-optimization/70586
7546 * tree-ssa-ifcombine.c (bb_no_side_effects_p): Return false
7549 2016-04-08 Cesar Philippidis <cesar@codesourcery.com>
7553 PR tree-optimization/70373
7557 * gimplify.c (gimplify_adjust_omp_clauses): Add or adjust data
7558 clauses for acc parallel reductions as necessary. Error on those
7560 * omp-low.c (scan_sharing_clauses): Don't install variables which
7561 are used in acc parallel reductions.
7562 (lower_rec_input_clauses): Remove dead code.
7563 (lower_oacc_reductions): Add support for reference reductions.
7564 (lower_reduction_clauses): Remove dead code.
7565 (lower_omp_target): Don't remap variables appearing in acc parallel
7567 * tree.h (OMP_CLAUSE_MAP_IN_REDUCTION): New macro.
7569 2016-04-08 Jakub Jelinek <jakub@redhat.com>
7572 * tree-ssa-coalesce.c (build_ssa_conflict_graph): For stmt
7573 with multiple SSA_NAME defs, force the outputs other than first
7574 to be live before calling live_track_process_def on each output.
7576 PR rtl-optimization/70574
7577 * fwprop.c (forward_propagate_and_simplify): Don't add
7578 REG_EQUAL note if DF_REF_REG (use) is a paradoxical subreg.
7579 (try_fwprop_subst): Don't add REG_EQUAL note if there are any
7580 paradoxical subregs within *loc.
7582 2016-04-08 Thomas Schwinge <thomas@codesourcery.com>
7584 * config/arc/arc.h (LINK_COMMAND_SPEC): Use gt to ignore
7585 -ftree-parallelize-loops={0,1}.
7586 * config/darwin.h (LINK_COMMAND_SPEC_A): Likewise.
7587 * config/i386/mingw32.h (GOMP_SELF_SPECS): Likewise.
7588 * config/ia64/hpux.h (LIB_SPEC): Likewise.
7589 * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
7590 * config/pa/pa64-hpux.h (LIB_SPEC): Likewise.
7592 2016-04-08 Maxim Ostapenko <m.ostapenko@samsung.com>
7595 * asan.c (instrument_derefs): If we get unknown location, extract it
7597 (maybe_instrument_call): Instrument gimple_call's arguments if needed.
7599 2016-04-08 Tom de Vries <tom@codesourcery.com>
7601 * omp-low.c (lower_omp_target): Set TREE_NO_WARNING for oacc
7602 implicit firstprivate clause.
7604 2016-04-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
7607 * config/arm/thumb2.md (tst + branch-> lsls + branch
7608 peephole below *orsi_not_shiftsi_si): Require that condition
7609 register is dead after the peephole.
7610 (second peephole after the above): Likewise.
7612 2016-04-08 Alan Modra <amodra@gmail.com>
7615 * builtins.c (fold_builtin_classify): For IBM extended precision,
7616 look at just the high-order double to test for NaN.
7617 (fold_builtin_interclass_mathfn): Similarly for Inf. For isnormal
7618 test just the high double for Inf but both doubles for subnormal
7621 2016-04-07 Jakub Jelinek <jakub@redhat.com>
7623 * cgraph.h (struct cgraph_simd_clone): Add mask_mode field.
7624 * omp-low.c (simd_clone_init_simd_arrays, simd_clone_adjust): Handle
7625 node->simdclone->mask_mode != VOIDmode masks.
7626 (simd_clone_adjust_argument_types): Likewise. Move sc var definition
7627 earlier, use it instead of node->simdclone.
7628 * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
7629 Set clonei->mask_mode.
7631 2016-04-06 Patrick Palka <ppalka@gcc.gnu.org>
7634 * parser.c (cp_parser_iteration_statement): New parameter IF_P.
7635 Pass it through to cp_parser_already_scoped_statement.
7636 (cp_parser_already_scoped_statement): New parameter IF_P. Pass
7637 it through to cp_parser_statement.
7638 (cp_parser_statement): Pass IF_P through to
7639 cp_parser_iteration_statement.
7640 (cp_parser_pragma): Adjust call to
7641 cp_parser_iteration_statement.
7643 2016-04-06 Patrick Palka <ppalka@gcc.gnu.org>
7646 * gimplify.c (gimplify_omp_ordered): Add explicit braces to
7647 resolve a future -Wparentheses warning.
7648 * omp-low.c (scan_sharing_clauses): Likewise.
7649 * tree-parloops.c (eliminate_local_variables): Likewise.
7651 2016-04-06 Vladimir Makarov <vmakarov@redhat.com>
7653 PR rtl-optimization/70398
7654 * lra-constraints.c (process_address_1): Check zero scale and code
7655 for reloading with zero scale.
7657 2016-04-06 Uros Bizjak <ubizjak@gmail.com>
7659 * config/i386/sse.md (shuffletype): Add V32HI and V4TI modes.
7660 (ssescalarsize): Add V8SF, V4SF, V4DF and V2DF modes.
7662 2016-04-06 Jakub Jelinek <jakub@redhat.com>
7664 * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
7665 Add support for AVX512F clones, include them by default for
7666 exported OpenMP declare simd functions. For AVX2 allow simdlen 32
7667 and use it if charasteric type is 8-bit, for AVX512F allow simdlen
7671 * tree.h (OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT): Define.
7672 * gimplify.c (gimplify_adjust_omp_clauses_1): Set it for implicit
7673 firstprivate clauses.
7674 * omp-low.c (lower_send_clauses): Set TREE_NO_WARNING for
7675 OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT !by_ref vars in task contexts.
7676 (lower_omp_target): Set TREE_NO_WARNING for
7677 non-addressable possibly uninitialized vars which are copied into
7678 addressable temporaries or copied for GOMP_MAP_FIRSTPRIVATE_INT.
7680 2016-04-05 John David Anglin <danglin@gcc.gnu.org>
7682 * config/pa/predicates.md (integer_store_memory_operand): Accept
7683 REG+D operands with a large offset when reload_in_progress is true.
7684 (floating_point_store_memory_operand): Likewise.
7686 2016-04-05 Jakub Jelinek <jakub@redhat.com>
7689 * match.pd (nested int casts): Limit to GIMPLE.
7691 2016-04-05 Jan Hubicka <hubicka@ucw.cz>
7694 * ipa-devirt.c (maybe_record_node): Fix comment; use
7695 SANITIZE_UNREACHABLE instead of SANITIZE_UNDEFINED.
7697 2016-04-05 Jakub Jelinek <jakub@redhat.com>
7699 PR rtl-optimization/70542
7700 * ree.c (add_removable_extension): For VECTOR_MODE_P punt
7701 if there are any uses other than insn or debug insns.
7703 2016-04-05 Marc Glisse <marc.glisse@inria.fr>
7704 Jakub Jelinek <jakub@redhat.com>
7706 PR tree-optimization/70509
7707 * simplify-rtx.c (simplify_binary_operation_1) <case VEC_SELECT>:
7708 Shift HOST_WIDE_INT_1U instead of 1.
7710 2016-04-05 Zdenek Sojka <zsojka@seznam.cz>
7712 PR tree-optimization/70509
7713 * tree-ssa-forwprop.c (simplify_bitfield_ref): Use bitsize_int instead
7714 of the vector base type for index.
7716 2016-04-05 Uros Bizjak <ubizjak@gmail.com>
7719 * config/i386/sse.md (iptr): Add V64QI, V32HI, V16SI and V8DI modes.
7721 2016-04-05 Richard Biener <rguenther@suse.de>
7723 PR tree-optimization/70526
7724 * tree-sra.c (build_ref_for_offset): Use prev_base to
7725 extract the alias pointer type.
7727 2016-04-05 Richard Biener <rguenther@suse.de>
7729 * dse.c (struct store_info): Remove alias_set member.
7730 (struct read_info_type): Likewise.
7731 (clear_alias_group, clear_alias_mode_table, clear_alias_mode_holder,
7732 spill_deleted, clear_alias_set_lookup): Remove.
7733 (get_group_info): Remove dead base == NULL_RTX case.
7734 (dse_step0): Remove initialization of removed variables.
7735 (delete_dead_store_insn): Reomve alias set dumping.
7736 (free_read_records): Remove alias_set handling.
7737 (canon_address): Remove alias_set_out parameter.
7738 (record_store): Remove spill_alias_set, it's always zero.
7739 (check_mem_read_rtx): Likewise.
7740 (dse_step2): Rename from ...
7741 (dse_step2_nospill): ... this. Adjust.
7742 (scan_stores): Rename from ...
7743 (scan_stores_nospill): ... this.
7744 (scan_reads): Rename from ...
7745 (scan_reads_nospill): ... this.
7746 (scan_stores_spill, scan_reads_spill): Remove.
7747 (dse_step3_scan): Remove for_spills argument which is always false.
7748 (dse_step3): Likewise.
7749 (dse_step5): Rename from ...
7750 (dse_step5_nospill): ... this. Remove alias_set handling.
7751 (rest_of_handle_dse): Adjust.
7753 2016-04-05 Jakub Jelinek <jakub@redhat.com>
7756 * config/i386/sse.md (*andnot<mode>3): Simplify assertions.
7757 Use vpandn<ssemodesuffix> for V16SI/V8DImode, vpandnq for
7758 V32HI/V64QImode, don't use <mask_operand3_1>, fix up formatting.
7759 (*andnot<mode>3_mask): Remove insn with VI12_AVX512VL iterator.
7761 2016-04-05 Richard Biener <rguenther@suse.de>
7764 * gimplify-me.c (gimple_regimplify_operands): Do not rewrite
7765 non-register type temporaries into SSA.
7767 2016-04-04 Jan Hubicka <hubicka@ucw.cz>
7770 * ipa-devirt.c (maybe_record_node): Do not optimize cxa_pure_virtual
7771 calls when sanitizing.
7772 (possible_polymorphic_call_target_p): Fix formatting.
7774 2016-04-04 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
7775 Jakub Jelinek <jakub@redhat.com>
7778 * tree-inline.c (estimate_num_insn): Use gimple_call_builtin_p
7779 to ensure a call statement is compatible with a built-in's
7781 * tree-ssa-math-opts.c (pass_optimize_windening_mul::execute):
7784 2016-04-04 Richard Biener <rguenther@suse.de>
7786 PR rtl-optimization/70484
7787 * rtl.h (canon_output_dependence): Declare.
7788 * alias.c (canon_output_dependence): New function.
7789 * dse.c (record_store): Use canon_output_dependence rather
7790 than canon_true_dependence.
7792 2016-03-30 Jan Hubicka <hubicka@ucw.cz>
7795 * cgraph.h (symtab_node::copy_visibility_from): New function.
7796 * symtab.c (symtab_node::copy_visibility_from): New function.
7797 * ipa-visibility.c (optimize_weakref): New function.
7798 (function_and_variable_visibility): Use it.
7800 2016-04-04 Martin Liska <mliska@suse.cz>
7803 * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Guard index
7804 value that is really in range handled by SBR instruction.
7805 * hsa-brig.c (emit_switch_insn): Do not emit unconditional jump.
7806 * hsa-dump.c (dump_hsa_insn_1): Do not dump default BB.
7807 * hsa.h (hsa_insn_sbr::m_default_bb): Remove field.
7809 2016-04-03 Oleg Endo <olegendo@gcc.gnu.org>
7813 * config/sh/sh.md (*addsi3): Allow pattern when reload_in_progress is
7814 set, but not for SP_REG operands.
7816 2016-04-02 Martin Sebor <msebor@redhat.com>
7819 * fold-const.c (maybe_nonzero_address): New function.
7820 (fold_comparison): Call it. Fold equality and relational
7821 expressions involving null pointers.
7822 (tree_single_nonzero_warnv_p): Call maybe_nonzero_address.
7824 2016-03-31 Evandro Menezes <e.menezes@samsung.com>
7826 Fix the predicate "aarch64_simd_reg_or_zero" to correctly validate
7827 the "Y" constraint (scalar FP 0.0 immediate).
7829 * config/aarch64/predicates.md (aarch64_simd_reg_or_zero):
7830 Add the "const_double" to the list of operand constraints.
7832 2016-04-01 Jakub Jelinek <jakub@redhat.com>
7834 PR rtl-optimization/70467
7835 * config/i386/i386.md (*add<dwi>3_doubleword, *sub<dwi>3_doubleword):
7836 If low word of the last operand is 0, just emit addition/subtraction
7839 2016-04-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
7842 * config/s390/s390.c (s390_expand_insv): Check for everything
7843 constant instead of just VOIDmode stuff.
7845 2016-04-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
7848 * config/arm/arm.h (ASM_APP_OFF): Handle TARGET_ARM and TARGET_THUMB.
7850 2016-04-01 Nathan Sidwell <nathan@acm.org>
7852 * tree.def (TRY_CATCH_EXPR): Correct documentation.
7854 2016-03-31 Vladimir Makarov <vmakarov@redhat.com>
7856 PR rtl-optimization/70461
7857 * ira-color.c (allocno_copy_cost_saving): Use allocno class if it
7860 2016-03-31 Martin Liska <mliska@suse.cz>
7863 * hsa-brig.c (hsa_op_immed::emit_to_buffer): Emit either
7864 a tree value or an immediate integer value to a buffer
7865 that is eventually copied to a BRIG section.
7866 (emit_immediate_operand): Call the function here.
7867 * hsa-dump.c (dump_hsa_immed): Remove checking assert.
7868 * hsa-gen.c (hsa_op_immed::hsa_op_immed): Remove initialization
7869 of class' fields that are removed.
7870 (hsa_op_immed::~hsa_op_immed): Remove deinitialization.
7871 * hsa.h (class hsa_op_immed): Remove m_brig_repr and
7872 m_brig_repr_size fields.
7874 2016-03-31 Martin Liska <mliska@suse.cz>
7877 * hsa-gen.c (hsa_function_representation::update_dominance): New
7879 (convert_addr_to_flat_segment): Likewise.
7880 (gen_hsa_memory_set): New alignment argument.
7881 (gen_hsa_ctor_assignment): Likewise.
7882 (gen_hsa_insns_for_single_assignment): Provide alignment
7883 to gen_hsa_ctor_assignment.
7884 (gen_hsa_insns_for_direct_call): Add new argument.
7885 (expand_lhs_of_string_op): New function.
7886 (expand_string_operation_builtin): Likewise.
7887 (expand_memory_copy): New function.
7888 (expand_memory_set): New function.
7889 (gen_hsa_insns_for_call): Use HOST_WIDE_INT.
7890 (convert_switch_statements): Change signature.
7891 (generate_hsa): Use a return value of the function.
7892 (pass_gen_hsail::execute): Do not call
7893 convert_switch_statements here.
7894 * hsa-regalloc.c (hsa_regalloc): Call update_dominance.
7895 * hsa.h (hsa_function_representation::m_modified_cfg): New flag.
7896 (hsa_function_representation::update_dominance): New function.
7898 2016-03-31 Martin Liska <mliska@suse.cz>
7901 * hsa-brig.c (emit_directive_variable): Emit alignment
7902 according to hsa_symbol::m_align.
7903 * hsa-dump.c (hsa_byte_alignment): Move the function to another file.
7904 (dump_hsa_symbol): Dump alignment of HSA symbols.
7905 * hsa-gen.c (get_symbol_for_decl): Set-up alignment of a symbol.
7906 (gen_hsa_addr_with_align): New function.
7907 (hsa_bitmemref_alignment): Use newly added function.
7908 (gen_hsa_insns_for_load): Likewise.
7909 (gen_hsa_insns_for_store): Likewise.
7910 (gen_hsa_memory_copy): New argument added.
7911 (gen_hsa_insns_for_single_assignment): Respect
7912 alignment for assignments processed via gen_hsa_memory_copy.
7913 (gen_hsa_insns_for_direct_call): Likewise.
7914 (gen_hsa_insns_for_return): Likewise.
7915 (gen_function_def_parameters): Set default alignment.
7916 * hsa.c (hsa_object_alignment): New function.
7917 (hsa_byte_alignment): Pasted function.
7918 * hsa.h (hsa_symbol::m_align): New field.
7920 2016-03-31 Bin Cheng <bin.cheng@arm.com>
7922 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Initialize
7923 scratch field for goto case.
7925 2016-03-31 James Greenhalgh <james.greenhalgh@arm.com>
7927 * config/arm/linux-elf.h (ASM_OUTPUT_DEF): Delete.
7929 2016-03-31 Ilya Enkovich <enkovich.gnu@gmail.com>
7932 * config/i386/i386.c (scalar_chain::convert_op): Fix description.
7933 (scalar_chain::convert_insn): Call convert_op for reg
7934 moves to handle undefined registers.
7936 2016-03-31 Nathan Sidwell <nathan@acm.org>
7939 * varasm.c (output_constructor_regular_field): Flush bitfield earlier.
7940 Assert we don't want to move backwards.
7942 2016-03-31 Kirill Yukhin <kirill.yukhin@intel.com>
7945 * config/i386/sse.md (define_mode_attr shuffletype): Fix typo.
7947 2016-03-31 Jakub Jelinek <jakub@redhat.com>
7949 PR rtl-optimization/70460
7950 * ira.c (indirect_jump_optimize): Don't substitute LABEL_REF
7951 with operand from REG_LABEL_OPERAND, instead substitute
7952 SET_SRC or REG_EQUAL note content if it is a LABEL_REF.
7953 Don't do anything for REG_NON_LOCAL_GOTO jumps.
7955 2016-03-31 Martin Liska <mliska@suse.cz>
7957 * passes.c (execute_one_pass): Do not call
7958 todo_after for a discarded function.
7960 2016-03-31 Bin Cheng <bin.cheng@arm.com>
7962 * tree-ssa-loop-ivopts.c (struct comp_cost): New scrach field.
7963 (no_cost, infinite_cost): Initialize the new field.
7964 (get_computation_cost_at): Record setup cost.
7965 (determine_use_iv_cost_address): Skip cost computation for sub
7966 uses if we can estimate it without losing accuracy.
7968 2016-03-30 Jan Hubicka <hubicka@ucw.cz>
7970 * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
7972 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
7973 max_loop_iterations_int.
7974 (tree_unswitch_outer_loop): Likewise.
7975 * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
7976 * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
7978 2016-03-30 Richard Biener <rguenther@suse.de>
7981 * fold-const.c (extract_muldiv_1): Fix thinko in wide_int::from usage.
7983 2016-03-30 Jakub Jelinek <jakub@redhat.com>
7986 * config/i386/i386.c (ix86_expand_vector_set): Fix up argument order
7987 in gen_blendm expander.
7989 2016-03-30 Nick Clifton <nickc@redhat.com>
7992 * config/arm/arm.c (arm_reload_out_hi): Add code to handle the
7993 case where we are already provided with an SImode SUBREG.
7995 2016-03-30 H.J. Lu <hongjiu.lu@intel.com>
7998 * config/i386/i386.c (ix86_expand_epilogue): Properly check
7999 conflict between DRAP register and __builtin_eh_return.
8001 2016-03-30 Michael Matz <matz@suse.de>
8002 Richard Biener <rguenther@suse.de>
8005 * ipa-polymorphic-call.c (struct type_change_info): Change
8006 speculative to an unsigned allowing to limit the work we do.
8007 (csftc_abort_walking_p): New inline function..
8008 (check_stmt_for_type_change): Limit the number of may-defs
8009 skipped for speculative devirtualization to
8010 max-speculative-devirt-maydefs.
8011 * params.def (max-speculative-devirt-maydefs): New param.
8012 * doc/invoke.texi (--param max-speculative-devirt-maydefs): Document.
8014 2016-03-30 Mike Stump <mrs@gcc.gnu.org>
8017 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Use when profiling
8020 2016-03-30 Patrick Palka <ppalka@gcc.gnu.org>
8022 PR tree-optimization/59124
8023 * tree-vrp.c (register_edge_assert_for_2): For NAME != CST1
8024 where NAME = A +- CST2 add the assertion A != (CST1 -+ CST2).
8026 2016-03-29 Jeff Law <law@redhat.com>
8028 * tree-ssa-coalesce.c (struct ssa_conflicts): Fix typo in comment.
8030 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
8032 * tree-ssa-loop-ivcanon.c (try_peel_loop): Change type of peel
8035 2016-03-29 Thomas Schwinge <thomas@codesourcery.com>
8037 * config/gnu.h (CPP_SPEC, LIB_SPEC): Don't override.
8038 * config/i386/gnu.h (STARTFILE_SPEC): Use gcrt1.o instead of
8039 gcrt0.o if linking dynamically.
8041 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
8044 * ipa-devirt.c (methods_equal_p): New function.
8045 (compare_virtual_tables): Use it.
8046 * cgraph.h (symbol_table::symbol_suffix_separator): Declare.
8047 * cgraphclones.c (clone_function_name_1): Use
8048 symbol_table::symbol_suffix_separator.
8049 * coverage.c (build_var): Likewise.
8050 * symtab.c (symbol_table::symbol_suffix_separator): New.
8052 2016-03-29 Jakub Jelinek <jakub@redhat.com>
8054 PR rtl-optimization/70429
8055 * combine.c (simplify_shift_const_1): For ASHIFTRT don't optimize
8056 (cst1 >> count) >> cst2 into (cst1 >> cst2) >> count if
8057 mode != result_mode.
8060 * tree-inline.c (remap_decls): Don't add_local_decl if cfun is null.
8062 PR tree-optimization/70405
8063 * ssa-iterators.h (num_imm_uses): Add missing braces.
8065 2016-03-29 Vladimir Makarov <vmakarov@redhat.com>
8067 PR rtl-optimization/68695
8068 * ira-color.c (allocno_copy_cost_saving): New.
8069 (improve_allocation): Use it.
8071 2016-03-29 Richard Henderson <rth@redhat.com>
8074 * lower-subreg.c (simplify_subreg_concatn): Reject paradoxical subregs.
8076 2016-03-29 Richard Biener <rguenther@suse.de>
8079 * ipa-prop.c (ipa_compute_jump_functions_for_edge): Always
8080 use alignment returned by get_pointer_alignment_1 if it is
8081 bigger than BITS_PER_UNIT.
8082 * builtins.c (get_pointer_alignment_1): Do not return true
8083 for alignment extracted from SSA info.
8085 2016-03-28 James Bowman <james.bowman@ftdichip.com>
8087 * config/ft32/ft32.opt (mnodiv): New.
8088 * config/ft32/ft32.md (*divsi3, *modsi3): Qualify with TARGET_NODIV.
8089 * doc/invoke.texi (FT32 Options -mnodiv): New.
8091 2016-03-28 Kirill Yukhin <kirill.yukhin@intel.com>
8094 * config/i386/i386.md (define_split, andn): Fix modes.
8096 2016-03-26 Richard Biener <rguenther@suse.de>
8097 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
8100 * ipa-inline-transform.c (inline_call): Pass opts_for_fn (to->decl)
8102 TREE_OPTIMIZATION (DECL_FUNCTION_SPECIFIC_OPTIMIZATION (to->decl))
8103 as 2nd argument to cl_optimization_restore().
8105 2016-03-25 Richard Henderson <rth@redhat.com>
8108 * config/aarch64/aarch64.c (aarch64_asm_output_pool_epilogue): New.
8109 * config/aarch64/aarch64-protos.h: Declare it.
8110 * config/aarch64/aarch64.h (ASM_OUTPUT_POOL_EPILOGUE): New.
8112 2016-03-25 Alan Modra <amodra@gmail.com>
8115 * config/rs6000/constraints.md (j): Simplify.
8116 * config/rs6000/predicates.md (easy_fp_constant): Exclude
8118 * config/rs6000/rs6000.md (zero_fp): New mode_attr.
8119 (mov<mode>_hardfloat, mov<mode>_hardfloat32, mov<mode>_hardfloat64,
8120 mov<mode>_64bit_dm, mov<mode>_32bit): Use zero_fp in place of j
8121 in all constraint alternatives.
8122 (movtd_64bit_nodm): Delete "j" constraint alternative.
8124 2016-03-24 Aldy Hernandez <aldyh@redhat.com>
8126 * tree-ssa-propagate.c: Enhance docs for
8127 SSA_PROP_NOT_INTERESTING.
8129 2016-03-24 Aldy Hernandez <aldyh@redhat.com>
8131 * doc/extend.texi: Fix typo in documentation to pure attribute.
8133 2016-03-24 John David Anglin <danglin@gcc.gnu.org>
8136 * config/pa/pa.md (bswapdi2): Use a scratch register.
8138 2016-03-24 Richard Henderson <rth@redhat.com>
8141 * fold-const.c (extract_muldiv_1): Correct test for multiplication
8144 2016-03-24 Uros Bizjak <ubizjak@gmail.com>
8146 * config/i386/i386.md (*anddi3_doubleword): Generate AND insn
8147 using ix86_expand_binary_operator instead of gen_andsi3.
8149 2016-03-24 Richard Biener <rguenther@suse.de>
8151 PR tree-optimization/70396
8152 * tree-vect-stmts.c (vectorizable_comparison): Use
8153 get_vectype_for_scalar_type.
8155 2016-03-24 Richard Biener <rguenther@suse.de>
8158 * gimplify.c (gimplify_asm_expr): Handle !allows_mem outputs
8159 with register bases.
8161 2016-03-24 Richard Biener <rguenther@suse.de>
8163 PR tree-optimization/70372
8164 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Use
8165 build_all_ones_cst to also handle vector types correctly.
8167 2016-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
8170 * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Do not set
8173 2016-03-23 Marek Polacek <polacek@redhat.com>
8176 * doc/invoke.texi: Document -Wignored-attributes.
8178 2016-03-23 Bin Cheng <bin.cheng@arm.com>
8180 PR tree-optimization/69042
8181 * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND): Increase the
8182 parameter from 30 to 40.
8184 2016-03-23 Bin Cheng <bin.cheng@arm.com>
8186 PR tree-optimization/69042
8187 * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Add IV cand
8188 for use with constant offset stripped in base.
8190 2016-03-23 Richard Biener <rguenther@suse.de>
8193 * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Adjust
8194 mode compatibility check.
8195 (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
8197 2016-03-23 Jeff Law <law@redhat.com>
8199 PR tree-optimization/64058
8200 * tree-ssa-coalesce.c (struct coalesce_pair): Add new field
8202 (struct ssa_conflicts): Move up earlier in the file.
8203 (conflicts_, var_map_): New static variables.
8204 (initialize_conflict_count): New function to initialize the
8205 CONFLICT_COUNT field for each conflict pair.
8206 (compare_pairs): Lazily initialize the conflict count and use it
8207 as the first tie-breaker.
8208 (sort_coalesce_list): Add new arguments conflicts, map. Initialize
8209 and wipe conflicts_ and map_ around the call to qsort. Remove
8210 special case for 2 coalesce pairs.
8211 * bitmap.c (bitmap_count_unique_bits): New function.
8212 (bitmap_count_bits_in_word): New function, extracted from
8214 (bitmap_count_bits): Use bitmap_count_bits_in_word.
8215 * bitmap.h (bitmap_count_unique_bits): Declare it.
8217 2016-03-23 Ilya Enkovich <enkovich.gnu@gmail.com>
8220 * config/i386/sol2.h (ASM_OUTPUT_DEF_FROM_DECLS): Follow
8221 transparent alias chain for decl assembler name.
8222 * config/sol2.c (solaris_assemble_visibility): Likewise.
8224 2016-03-23 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
8226 * config/arm/arm1020e.md (1020call_op): Reduce reservation
8228 (v10_fdivs): Likewise.
8229 (v10_fdivd): Likewise.
8231 2016-03-23 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
8234 * config/arm/driver-arm.c (host_detect_local_cpu): Reorder exit logic
8235 to not call fclose twice on file.
8237 2016-03-23 Jakub Jelinek <jakub@redhat.com>
8239 PR tree-optimization/70354
8240 * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
8241 oprnd0 is wider than oprnd1 and there is a cast from the wider
8242 type to oprnd1, mask it with the mask of the narrower type.
8245 * config/i386/i386.md (*anddi3_doubleword, *<code>di3_doubleword):
8246 Optimize TARGET_STV splitters, if high or low word of last argument
8249 2016-03-22 Jeff Law <law@redhat.com>
8252 tree-ssa-threadbackward.c
8253 (fsm_find_control_statement_thread_paths): Correctly distinguish
8254 between old style jump threads vs FSM jump threads.
8256 2016-03-22 Ilya Enkovich <enkovich.gnu@gmail.com>
8259 * config/i386/i386.c (scalar_chain::convert_op): Support
8260 uninitialized register usage case.
8262 2016-03-22 Richard Biener <rguenther@suse.de>
8265 * genmatch.c (gen_transform): Adjust last parameter to a three-state
8267 (capture::gen_transform): ... to change behavior when substituting
8268 a condition into cond or not-cond expr context.
8269 (dt_simplify::gen_1): Adjust.
8270 * gimple-match-head.c: Include gimplify.h for unshare_expr.
8271 * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Revert
8272 last change and instead change to
8273 A + (B vcmp C ? 1 : 0) -> A - (B vcmp C ? -1 : 0).
8274 (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
8276 2016-03-22 Anthony Green <green@moxielogic.com>
8278 * config/moxie/moxiebox.h (CC1_SPEC): Define. Fix endianness
8279 issue for moxiebox targets.
8280 (CC1PLUS_SPEC): Ditto.
8282 2016-03-22 Richard Biener <rguenther@suse.de>
8285 * fold-const.c (extract_muldiv_1): Properly perform multiplication
8288 2016-03-22 Kirill Yukhin <kirill.yukhin@intel.com>
8290 * config/i386/i386.c (def_builtin): Remove duplicated functionality.
8292 2016-03-22 Kirill Yukhin <kirill.yukhin@intel.com>
8295 * config/i386/i386.c (def_builtin): Handle
8296 OPTION_MASK_ISA_AVX512VL to be and-ed with other
8298 (const struct builtin_description bdesc_special_args[]):
8299 Remove duplicate ISA bits.
8301 2016-03-22 Jakub Jelinek <jakub@redhat.com>
8304 * config/i386/i386.c (ix86_expand_vecop_qihi): Don't bother computing
8305 d.perm[i] for i >= d.nelt. If not full_interleave, compute d.perm[i]
8306 in a way that works also for AVX512BW.
8309 * config/i386/i386.md (cvtsd2ss splitter): Unpack in destination
8310 instead of source if operands[1] is xmm16 and above and
8311 !TARGET_AVX512VL. Use avx512f_vec_dupv16sf_1 instead of
8312 vec_interleave_lowv4sf if we need to unpack xmm16 and above.
8315 * gimplify.c (gimplify_modify_expr): Call gimple_set_no_warning
8316 on assign if (*from_p) is a comparison, set it to
8317 TREE_NO_WARNING (*from_p).
8319 2016-03-21 Jakub Jelinek <jakub@redhat.com>
8322 * lra.c (restore_scratches): Ignore deleted insns.
8324 2016-03-21 Marc Glisse <marc.glisse@inria.fr>
8325 Jakub Jelinek <jakub@redhat.com>
8327 PR tree-optimization/70317
8328 * match.pd (cmp @0 @0): Pass @0 instead of TYPE_MODE (TREE_TYPE (@0))
8331 2016-03-21 Uros Bizjak <ubizjak@gmail.com>
8334 * config/i386/i386.md (movxi): Use ix86_expand_vector_move instead
8335 of ix86_expand_move.
8337 (movti): Use general_operand for operand 1 predicate.
8339 2016-03-21 Martin Liska <mliska@suse.cz>
8341 * hsa-dump.c (dump_hsa_insn_1): dump default branch of SBR
8343 (dump_hsa_symbol): Dump BRIG offset of hsa_symbols.
8345 2016-03-21 Martin Liska <mliska@suse.cz>
8348 * ipa-icf.c (sem_function::parse): Skip static
8349 constructors and destructors.
8351 2016-03-21 Jakub Jelinek <jakub@redhat.com>
8354 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If IDENT is
8355 function-like macro, peek following token(s) if it is followed
8356 by CPP_OPEN_PAREN token with optional padding in between, and
8357 if not, don't treat it like a macro.
8359 2016-03-21 Thomas Schwinge <thomas@codesourcery.com>
8360 Alexander Monakov <amonakov@ispras.ru>
8362 * config/nvptx/nvptx.c (nvptx_option_override): Don't emit sorry
8363 for the stabs debug format.
8365 2016-03-21 Richard Biener <rguenther@suse.de>
8367 PR tree-optimization/70310
8368 * tree-vect-generic.c (expand_vector_condition): Fold the built
8371 2016-03-21 Kirill Yukhin <kirill.yukhin@intel.com>
8374 * config/i386/sse.md: (define_insn "*vec_dup<mode>"/AVX2):
8375 Block third alternative for AVX-512VL target,
8377 2016-03-21 Martin Liska <mliska@suse.cz>
8380 * hsa-brig.c (emit_function_directives): Mark unemitted
8381 global variables for emission.
8382 * hsa-gen.c (hsa_symbol::hsa_symbol): Initialize a new flag.
8383 (get_symbol_for_decl): Likewise.
8384 * hsa.h (struct hsa_symbol): New flag.
8386 2016-03-21 Richard Biener <rguenther@suse.de>
8388 PR tree-optimization/70288
8389 * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Make sure
8390 we do not estimate unsimplified all-constant conditionals or
8391 switches as optimized away.
8393 2016-03-21 Andrey Belevantsev <abel@ispras.ru>
8395 PR rtl-optimization/69102
8396 * sched-deps.c (sched_analyze_insn): Do not set last_args_size field
8397 when we have a readonly dependency context.
8399 2016-03-18 Jeff Law <law@redhat.com>
8401 PR rtl-optimization/70263
8402 * ira.c (memref_used_between_p): Assert we found END in the insn chain.
8403 (update_equiv_regs): When trying to move a store to after the insn
8404 that sets the source of the store, make sure the store occurs after
8405 the insn that sets the source of the store. When successful note
8406 the REG_EQUIV note created in the dump file.
8408 2016-03-16 David Wohlferd <dw@LimeGreenSocks.com>
8409 Bernd Schmidt <bschmidt@redhat.com>
8411 * doc/extend.texi: Document more potential problems with basic asms.
8413 2016-03-18 Bernd Schmidt <bschmidt@redhat.com>
8415 PR rtl-optimization/70278
8416 * lra-constraints.c (split_reg): Handle the case where biggest_mode is
8419 2016-03-18 Jason Merrill <jason@redhat.com>
8421 * calls.c (load_register_parameters): Fix zero size sibcall logic.
8423 2016-03-18 Kirill Yukhin <kirill.yukhin@intel.com>
8425 * config/i386/sse.md: Use vpbroadcastq for broadcasting DF
8426 values to 128b regs.
8428 2016-03-18 Ilya Enkovich <enkovich.gnu@gmail.com>
8430 PR tree-optimization/70252
8431 * tree-vect-stmts.c (supportable_widening_operation): Check resulting
8432 boolean vector has a proper number of elements.
8433 (supportable_narrowing_operation): Likewise.
8435 2016-03-18 Tom de Vries <tom@codesourcery.com>
8438 * cgraph.c (cgraph_node::get_body): Set dump_file to NULL after save.
8440 2016-03-18 Jakub Jelinek <jakub@redhat.com>
8442 * reload1.c (emit_input_reload_insns): Use simplify_replace_rtx
8443 instead of replace_rtx for DEBUG_INSNs.
8445 2016-03-18 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
8447 * config/i386/znver1.md : Fix latencies of FP/SSE/AVX
8448 load type reservations.
8450 2016-03-17 John David Anglin <danglin@gcc.gnu.org>
8453 * config/pa/constraints.md: Revert 2015-02-13 change. Use
8454 define_constraint for "Q" and "T" constraints.
8456 2016-03-17 Evandro Menezes <e.menezes@samsung.com>
8458 Tweak the pipeline model for Exynos M1
8460 * config/aarch64/aarch64.c (exynosm1_tunings): Enable weak prefetching
8463 2016-03-17 David Malcolm <dmalcolm@redhat.com>
8466 * diagnostic-show-locus.c (compatible_locations_p): Handle the case
8467 where one or both locations aren't within a line_map.
8469 2016-03-17 H.J. Lu <hongjiu.lu@intel.com>
8472 * opts.c (finish_options): Don't set flag_pie to the default if
8473 -fpic, -fPIC, -fno-pic or -fno-PIC is used. Set flag_pic to 0
8476 2016-03-17 Joern Rennecke <joern.rennecke@embecosm.com>
8478 * config/i386/i386.md (*movv4qicc_insn+1..36): Pass
8479 true as ALL_REGS argument to replace_rtx.
8481 2016-03-17 Richard Biener <rguenther@suse.de>
8484 * dwarf2out.c (dwarf2out_early_finish): Process deferred_asm_name
8487 2016-03-17 Jakub Jelinek <jakub@redhat.com>
8490 * rtl.h (replace_rtx): Add ALL_REGS argument.
8491 * rtlanal.c (replace_rtx): Likewise. If true, use REGNO
8492 equality and assert mode is the same, instead of just rtx pointer
8494 * config/i386/i386.md (mov + arithmetics with load peephole): Pass
8495 true as ALL_REGS argument to replace_rtx.
8497 2016-03-17 Ilya Enkovich <enkovich.gnu@gmail.com>
8499 * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Apply
8500 for boolean vector with vector mode only.
8501 (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
8503 2016-03-17 Nick Clifton <nickc@redhat.com>
8506 * config/rx/rx.c (rx_print_integer): Print negative constants in
8509 2016-03-17 Jakub Jelinek <jakub@redhat.com>
8512 * rtlanal.c (replace_rtx): Revert 2016-03-16 change.
8514 2016-03-16 Richard Henderson <rth@redhat.com>
8515 Richard Biener <rguenth@suse.de>
8520 * gimplify.c (gimplify_expr) [VEC_COND_EXPR]: Gimplify the
8521 first operand as is_gimple_condexpr.
8526 2015-12-11 Eric Botcazou <ebotcazou@adacore.com>
8527 * tree-vect-generic.c (tree_vec_extract): Remove GSI parameter.
8528 Do not gimplify the result.
8529 (do_unop): Adjust call to tree_vec_extract.
8530 (do_binop): Likewise.
8531 (do_compare): Likewise.
8532 (do_plus_minus): Likewise.
8533 (do_negate): Likewise.
8534 (expand_vector_condition): Likewise.
8535 (do_cond): Likewise.
8537 2016-03-16 Richard Henderson <rth@redhat.com>
8540 * config/aarch64/aarch64.c (virt_or_elim_regno_p): New.
8541 (aarch64_classify_address): Use it.
8542 (aarch64_legitimize_address): Force all subexpressions of PLUS
8543 into registers. Simplify as (sfp+const)+reg or (reg+reg)+const.
8545 2016-03-16 Jakub Jelinek <jakub@redhat.com>
8546 Richard Biener <rguenth@suse.de>
8549 * rtlanal.c (replace_rtx): For REG, if from is a REG,
8550 return to even if only REGNO is equal, and assert
8553 2016-03-11 Jeff Law <law@redhat.com>
8555 PR rtl-optimization/70224
8556 * reorg.c (relax_delay_slots): Pass right argument to CROSSING_JUMP_P.
8558 2016-03-16 Richard Henderson <rth@redhat.com>
8561 * function.h (struct function): Add has_forced_label_in_static.
8562 * gimplify.c (force_labels_r): Set it.
8563 * lto-streamer-in.c (input_struct_function_base): Read it.
8564 * lto-streamer-out.c (output_struct_function_base): Write it.
8565 * tree-inline.c (has_label_address_in_static_1): Remove.
8566 (copy_forbidden): Remove fndecl parameter; test
8567 has_forced_label_in_static.
8568 (inline_forbidden_p): Update call to copy_forbidden.
8569 (tree_versionable_function_p): Likewise.
8570 * ipa-chkp.c (chkp_instrumentable_p): Likewise.
8571 (chkp_versioning): Likewise.
8572 * tree-inline.h (copy_forbidden): Update decl.
8574 2016-03-16 Marek Polacek <polacek@redhat.com>
8577 * cgraphunit.c (cgraph_node::expand_thunk): Also build call to the
8578 function being thunked if the result type doesn't have fixed size.
8579 * gimplify.c (gimplify_modify_expr): Also set LHS if the result type
8580 doesn't have fixed size.
8582 2016-03-16 Bin Cheng <bin.cheng@arm.com>
8584 * tree-vect-loop.c (vect_analyze_loop_2): Fix wrong dump info by
8585 reporting malformed loop nest.
8587 2016-03-16 Tom de Vries <tom@codesourcery.com>
8590 * ipa-devirt.c (possible_polymorphic_call_targets): Move
8591 nodes.length () == 1 test to before first nodes[0] access.
8593 2016-03-16 Tom de Vries <tom@codesourcery.com>
8595 PR tree-optimization/68715
8596 * graphite-scop-detection.c (scop_detection::merge_sese): Add missing
8599 2016-03-16 Tom de Vries <tom@codesourcery.com>
8601 PR tree-optimization/68809
8602 * graphite-scop-detection.c (same_close_phi_node): Test if result types
8605 2016-03-16 Carlos O'Donell <carlos@redhat.com>
8606 Sandra Loosemore <sandra@codesourcery.com>
8608 * doc/extend.texi (Common Function Attributes): Describe ifunc impact
8609 on leaf attribute. Mention ELF interposition problems.
8611 2016-03-16 Alan Modra <amodra@gmail.com>
8613 PR rtl-optimization/69195
8614 PR rtl-optimization/47992
8615 * ira.c (indirect_jump_optimize): Ignore artificial defs.
8618 2016-03-15 Eric Botcazou <ebotcazou@adacore.com>
8621 * dwarf2out.c (flush_limbo_die_list): Really flush the limbo list.
8623 2016-03-15 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
8625 * config/avr/avr.md (rotl<mode>3): Set mode for operand 2.
8627 2016-03-15 Jakub Jelinek <jakub@redhat.com>
8629 PR rtl-optimization/70222
8630 * combine.c (simplify_shift_const_1): For A >> B >> C LSHIFTRT
8631 optimization if mode is different from result_mode, queue up masking
8632 of the result in outer_op. Formatting fix.
8635 * tree-ssa-sccvn.c (VN_INFO_GET): Use safe_grow_cleared instead
8638 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
8640 PR rtl-optimization/69032
8641 * sel-sched-ir.c (get_seqno_by_preds): Include both insn and head when
8642 looping backwards over basic block insns.
8644 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
8647 * sel-sched-ir.c (merge_expr): Avoid changing the speculative pattern
8648 to non-speculative when propagating trap bits.
8650 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
8652 PR rtl-optimization/63384
8653 * sel-sched.c (invoke_aftermath_hooks): Do not decrease issue_more on
8656 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
8659 * sched-deps.c (get_implicit_reg_pending_clobbers): New function,
8660 factored out from ...
8661 (sched_analyze_insn): ... here.
8662 * sched-int.h (get_implicit_reg_pending_clobbers): Declare it.
8663 * sel-sched-ir.c (setup_id_implicit_regs): New function, use
8664 get_implicit_reg_pending_clobbers in it.
8665 (setup_id_reg_sets): Use setup_id_implicit_regs.
8666 (deps_init_id): Ditto.
8668 2016-03-15 Tom de Vries <tom@codesourcery.com>
8671 * cgraph.c (cgraph_node::get_body): Save, reset and restore
8673 * passes.c (execute_one_ipa_transform_pass): Add missing argument to
8674 execute_function_dump.
8675 (execute_one_pass): Don't dump function if it will be dumped after ipa
8678 2016-03-15 Segher Boessenkool <segher@kernel.crashing.org>
8680 * genrecog.c (match_pattern_2): If pred is NULL don't call
8681 safe_predicate_mode on it.
8683 2016-03-14 Jakub Jelinek <jakub@redhat.com>
8686 * lra-constraints.c (delete_move_and_clobber): Change assertion
8687 to also allow dregno == 0.
8689 2016-03-14 Richard Henderson <rth@redhat.com>
8692 * tree-ssa-reassoc.c (ovce_extract_ops, optimize_vec_cond_expr): New.
8693 (can_reassociate_p): Allow ANY_INTEGRAL_TYPE_P.
8694 (reassociate_bb): Use optimize_vec_cond_expr; avoid
8695 optimize_range_tests, attempt_builtin_copysign and attempt_builtin_powi
8698 2016-03-14 Bernd Schmidt <bschmidt@redhat.com>
8701 * lra-lives.c (process_bb_lives): Also update biggest mode for hard
8703 (lra_create_live_ranges_1): initialize hard register biggest_mode to
8705 * lra-constraints.c (split_reg): For hard regs, try to find the
8706 biggest single-register mode used in the function.
8708 2016-03-14 Richard Biener <rguenther@suse.de>
8710 PR tree-optimization/56365
8711 * tree-ssa-phiopt.c (minmax_replacement): Handle alternate
8712 constants to compare against.
8714 2016-03-14 Segher Boessenkool <segher@kernel.crashing.org>
8717 * config/rs6000/rs6000.md (*ctr<mode>_internal1, *ctr<mode>_internal2,
8718 *ctr<mode>_internal5, *ctr<mode>_internal6): Also allow "d" as output.
8719 (define_split for the GPR case): Use int_reg_operand instead of
8720 gpc_reg_operand for the output.
8722 2016-03-14 Tom de Vries <tom@codesourcery.com>
8724 PR tree-optimization/70045
8725 * graphite-isl-ast-to-gimple.c (graphite_create_new_loop_guard): Unshare
8726 create_empty_if_region_on_edge argument.
8728 2016-03-13 Eric Botcazou <ebotcazou@adacore.com>
8730 * config/arm/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Define.
8731 (STACK_CHECK_PROTECT): Likewise.
8732 * config/i386/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
8733 (STACK_CHECK_PROTECT): Likewise.
8734 * config/rs6000/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
8735 (STACK_CHECK_PROTECT): Likewise.
8736 * config/rs6000/vxworksae.h (STACK_CHECK_PROTECT): Likewise.
8737 * config/sparc/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
8738 (STACK_CHECK_PROTECT): Likewise.
8740 2016-03-12 Andrey Belevantsev <abel@ispras.ru>
8742 PR rtl-optimization/69307
8743 * sel-sched.c (choose_best_pseudo_reg): Properly check for hard
8744 registers in modes that span more than one register.
8746 2016-03-12 Vladimir Makarov <vmakarov@redhat.com>
8749 * lra-constraints.c (delete_move_and_clobber): New.
8750 (remove_inheritance_pseudos): Use it.
8752 2016-03-12 Eric Botcazou <ebotcazou@adacore.com>
8755 * calls.c (emit_library_call_value_1): Clear the ECF_NOTHROW flag if
8756 the libcall is LCT_THROW.
8757 * explow.c (probe_stack_range): Pass LCT_THROW to emit_library_call
8758 for the checking routine.
8760 2016-03-11 Michael Meissner <meissner@linux.vnet.ibm.com>
8763 * config/rs6000/rs6000.md (round32<mode>2_fprs): Do not do the
8764 optimization if we have direct move.
8765 (roundu32<mode>2_fprs): Likewise.
8767 2016-03-11 Bernd Schmidt <bschmidt@redhat.com>
8770 * lra-remat.c (operand_to_remat): Disallow hard regs in the value t
8772 (reg_overlap_for_remat_p): Renamed from input_regno_present_p.
8773 Arguments swapped. All callers changed. Take reg_renumber into
8774 account, and Calculate and compare register ranges for hard regs.
8776 2016-03-11 Jeff Law <law@redhat.com>
8778 PR tree-optimization/70190
8779 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
8780 Handle cases where we can not extract the taken edge, even though we
8781 found a constant value.
8783 PR tree-optimization/64058
8784 * tree-ssa-coalesce.c (struct coalesce_pair): Add new field INDEX.
8785 (num_coalesce_pairs): Move up earlier in file.
8786 (find_coalesce_pair): Initialize the INDEX field for each pair
8788 (compare_pairs): No longer sort on the elements in each pair.
8789 Instead break ties with the index of the coalesce pair.
8791 2016-03-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
8794 * config/aarch64/aarch64-protos.h
8795 (aarch64_save_restore_target_globals): New prototype.
8796 * config/aarch64/aarch64-c.c (aarch64_pragma_target_parse):
8797 Call the above when popping pragma.
8798 * config/aarch64/aarch64.c (aarch64_save_restore_target_globals):
8800 (aarch64_set_current_function): Rewrite using the above.
8802 2016-03-11 Jakub Jelinek <jakub@redhat.com>
8804 PR tree-optimization/70177
8805 * gimple-expr.h (extract_ops_from_tree_1): Renamed to ...
8806 (extract_ops_from_tree): ... this. In the 2 argument
8807 overload remove _1 suffix.
8808 * gimple-expr.c (extract_ops_from_tree_1): Renamed to ...
8809 (extract_ops_from_tree): ... this.
8810 * gimple.c (gimple_build_assign, gimple_assign_set_rhs_from_tree):
8812 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
8813 * tree-ssa-forwprop.c (defcodefor_name): Call 3 operand
8814 extract_ops_from_tree instead of 2 operand one.
8816 2016-03-11 Alan Lawrence <alan.lawrence@arm.com>
8818 PR tree-optimization/70013
8819 * tree-sra.c (analyze_access_subtree): Also set grp_unscalarized_data
8820 for constant-pool entries.
8822 2016-03-11 Jakub Jelinek <jakub@redhat.com>
8824 PR rtl-optimization/70174
8825 * expmed.c (store_bit_field_using_insv): Use gen_lowpart_if_possible
8826 followed by gen_lowpart on force_reg instead of just gen_lowpart.
8828 PR tree-optimization/70169
8829 * tree-ssa-loop.c (gen_lsm_tmp_name): Handle FUNCTION_DECL and
8830 LABEL_DECL like VAR_DECL. Emit nothing instead of gcc_unreachable
8833 2016-03-11 Ilya Enkovich <enkovich.gnu@gmail.com>
8834 Jakub Jelinek <jakub@redhat.com>
8837 * config/i386/i386.c (scalar_chain::convert_reg): Skip uses
8838 of uninitialized values.
8840 2016-03-11 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
8842 * config/s390/s390.md ("trunctddd2"): Turn former define_insn into
8844 ("*trunctddd2"): New pattern definition.
8845 ("trunctdsd2"): Set prep_for_short_prec rounding mode for the
8848 2016-03-11 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
8850 * config/s390/s390.md (BFP_RND_*, DFP_RND_*): Add new constant
8851 definitions for BFP and DFP rounding modes.
8852 ("fixuns_truncdddi2", "fixuns_trunctddi2")
8853 ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2")
8854 ("fix_trunc<DSF:mode><GPR:mode>2", "fix_trunc<mode>di2")
8855 ("fix_trunctf<mode>2"): Use the new constants instead of magic
8858 2016-03-11 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
8860 * config/s390/constraints.md: Adjust comment.
8861 ("Y"): Adjust comment. Rename s390_decompose_shift_count to
8862 s390_decompose_addrstyle_without_index.
8863 * config/s390/predicates.md (shift_count_or_setmem_operand):
8864 Rename to setmem_operand.
8865 * config/s390/s390-protos.h
8866 (s390_decompose_shift_count): Rename to
8867 s390_decompose_addrstyle_without_index.
8868 * config/s390/s390.c (s390_decompose_shift_count)
8869 (s390_mem_constraint, print_shift_count_operand)
8870 (print_operand_address, print_operand): Rename
8871 s390_decompose_shift_count to
8872 s390_decompose_addrstyle_without_index and rename
8873 print_shift_count_operand to print_addrstyle_operand troughout the
8875 * config/s390/s390.md ("setmem_long_<P:mode>", "*setmem_long")
8876 ("*setmem_long_and", "*setmem_long_31z", "*setmem_long_and_31z"):
8877 Rename shift_count_or_setmem_operand to setmem_operand.
8878 * config/s390/vx-builtins.md ("vec_insert<mode>")
8879 ("vec_promote<mode>"): Replace shift_count_or_setmem_operand with
8882 2016-03-10 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
8885 * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
8886 Handle overlapping retval and newval.
8888 2016-03-10 Nick Clifton <nickc@redhat.com>
8891 * config/aarch64/aarch64.c
8892 (aarch64_override_options_after_change_1): When forcing
8893 flag_omit_frame_pointer to be true, use a special value that can
8894 be detected if this function is called again, thus preventing
8895 flag_omit_leaf_frame_pointer from being forced to be false.
8897 2016-03-10 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
8899 * common/config/aarch64/aarch64-common.c (aarch64_handle_option):
8900 Set x_flag_omit_leaf_frame_pointer when handling
8901 -momit-leaf-frame-pointer.
8903 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
8906 * cgraph.c (cgraph_node::dump): Dump split_part and
8907 indirect_call_target.
8908 * cgraph.h (cgraph_node): Add indirect_call_target flag.
8909 * ipa.c (has_addr_references_p): Cleanup.
8910 (is_indirect_call_target_p): New.
8911 (walk_polymorphic_call_targets): Do not mark virtuals that may be
8912 called indirectly as local.
8913 (symbol_table::remove_unreachable_nodes): Compute indirect_call_target.
8915 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
8918 * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
8919 on cxa_pure_virtual.
8921 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
8924 * tree.c (free_lang_data_in_decl): Clear visibility of TYPE_DECL.
8926 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
8929 * tree.c (need_assembler_name_p): Only record main variant type names.
8931 2016-03-10 Christophe Lyon <christophe.lyon@linaro.org>
8934 * config/aarch64/aarch64.h (TARGET_FIX_ERR_A53_843419_DEFAULT):
8935 Always define to 0 or 1.
8936 (TARGET_FIX_ERR_A53_843419): New macro.
8937 * config/aarch64/aarch64-elf-raw.h
8938 (TARGET_FIX_ERR_A53_843419_DEFAULT): Update for above changes.
8939 * config/aarch64/aarch64-linux.h: Likewise.
8940 * config/aarch64/aarch64.c
8941 (aarch64_override_options_after_change_1): Do not default
8942 aarch64_nopcrelative_literal_loads to true if Cortex-A53 erratum
8944 (aarch64_attributes): Handle fix-cortex-a53-843419.
8945 (aarch64_can_inline_p): Likewise.
8946 * config/aarch64/aarch64.opt (aarch64_fix_a53_err843419): Save.
8948 2016-03-10 Alan Lawrence <alan.lawrence@arm.com>
8949 Jakub Jelinek <jakub@redhat.com>
8951 * common.opt (funconstrained-commons, flag_unconstrained_commons): New.
8952 * tree.c (array_at_struct_end_p): Do not limit to size of decl for
8953 DECL_COMMONS if flag_unconstrained_commons is set.
8954 * tree-dfa.c (get_ref_base_and_extent): Likewise.
8955 * doc/invoke.texi (Optimize Options): Add -funconstrained-commons.
8956 (funconstrained-commons): Document.
8958 2016-03-10 Christophe Lyon <christophe.lyon@linaro.org>
8960 * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add
8961 aarch64-fusion-pairs.def and aarch64-tuning-flags.def
8963 2016-03-10 Ilya Enkovich <enkovich.gnu@gmail.com>
8965 * tree-vect-stmts.c (vectorizable_mask_load_store): Check mask
8966 has a proper number of elements.
8968 2016-03-10 Alan Modra <amodra@gmail.com>
8970 PR rtl-optimization/69195
8971 PR rtl-optimization/47992
8972 * ira.c (recorded_label_ref): Delete.
8973 (update_equiv_regs): Return void.
8974 (indirect_jump_optimize): New function.
8975 (ira): Call indirect_jump_optimize and delete_trivially_dead_insns
8976 before regstat_compute_ri. Don't rebuild_jump_labels here.
8977 Delete update_regstat.
8979 2016-03-10 Richard Biener <rguenther@suse.de>
8981 PR tree-optimization/70128
8982 * tree-ssa-structalias.c (set_uids_in_ptset): Set
8983 vars_contains_nonlocal for any FUNCTION_DECL or LABEL_DECL.
8985 2016-03-09 Jakub Jelinek <jakub@redhat.com>
8987 PR tree-optimization/70152
8988 * tree-sra.c (replace_removed_params_ssa_names): Copy over
8989 SSA_NAME_OCCURS_IN_ABNORMAL_PHI from old_name to new_name.
8992 * config/i386/i386.md (truncdfsf2 splitter): Use gen_vec_concatv2df
8993 instead of gen_sse2_loadlpd.
8994 * config/i386/sse.md (*vec_concatv2df): Rename to...
8995 (vec_concatv2df): ... this.
8997 PR tree-optimization/70127
8998 * fold-const.c (operand_equal_p): Revert the 2015-10-28 change.
9000 2016-03-09 David Malcolm <dmalcolm@redhat.com>
9004 * diagnostic-show-locus.c (compatible_locations_p): New function.
9005 (layout::layout): Sanitize ranges using compatible_locations_p.
9007 2016-03-09 David Malcolm <dmalcolm@redhat.com>
9011 * diagnostic-show-locus.c (layout_range::layout_range): Replace
9012 location_range param with three const expanded_locations * and a
9014 (layout::layout): Replace call to
9015 rich_location::lazily_expand_location with get_expanded_location.
9016 Extract the range and perform location expansion here, passing
9017 the results to the layout_range ctor.
9018 * diagnostic.c (source_range::debug): Delete.
9019 * diagnostic.h (diagnostic_expand_location): Reimplement in terms
9020 of rich_location::get_expanded_location.
9021 * gcc-rich-location.c (get_range_for_expr): Delete.
9022 (gcc_rich_location::add_expr): Reimplement to avoid the
9023 rich_location::add_range overload that took a location_range,
9024 passing a location_t instead.
9026 2016-03-09 Richard Biener <rguenther@suse.de>
9027 Jakub Jelinek <jakub@redhat.com>
9029 PR tree-optimization/70138
9030 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
9031 Also skip vect_double_reduction_def.
9033 2016-03-09 Jakub Jelinek <jakub@redhat.com>
9036 * config/i386/sse.md (*vec_extract<mode>): Use %0 instead of %k0
9037 if the operand is "m".
9039 2016-03-09 Nathan Sidwell <nathan@acm.org>
9041 * config/nvptx/nvptx.c (nvptx_option_override): Don't kill debug level.
9043 2016-03-09 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
9045 * config/i386/i386.c (processor_target_table): Fix cost table
9046 intialization order for znver1.
9048 2016-03-08 Jakub Jelinek <jakub@redhat.com>
9050 * ipa-polymorphic-call.c (walk_ssa_copies): Fix spelling
9051 - becuase -> because.
9052 * ipa-reference.c (ignore_module_statics): Likewise.
9053 * cgraph.c (cgraph_node::get_body): Likewise.
9054 * ipa-inline.c (early_inliner): Likewise.
9055 * ipa-devirt.c (types_same_for_odr): Likewise.
9056 * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
9057 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Likewise.
9059 2016-03-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
9061 * tree-ssa-math-opts.c: Fix typo in comment.
9063 2016-03-08 Jakub Jelinek <jakub@redhat.com>
9066 * config/i386/i386.c (scalar_chain::make_vector_copies,
9067 scalar_chain::convert_reg): Call end_sequence in between
9068 get_insns and emit_conversion_insns rather than after both
9071 2016-03-07 Uros Bizjak <ubizjak@gmail.com>
9074 * config/i386/i386.h (machine_function): Add
9075 pc_thunk_call_expanded flag.
9076 (ix86_pc_thunk_call_expanded): New define.
9077 * config/i386/i386.md (set_got, set_got_labelled): New expanders.
9078 (*set_got): Rename insn pattern from set_got.
9079 (*set_got_labelled): Rename inst pattern from set_got_labelled.
9080 * config/i386/i386.c (ix86_compute_frame_layout): Use
9081 ix86_pc_thunk_call_expanded to prevent red-zone.
9083 2016-03-07 Martin Jambor <mjambor@suse.cz>
9085 * hsa.h (hsa_get_ctor_statements): Declare.
9086 (hsa_get_dtor_statements): Likewise.
9087 (hsa_get_kernel_dispatch_type): Likewise.
9088 * hsa.c (hsa_get_ctor_statements): New function.
9089 (hsa_get_dtor_statements): Likewise.
9090 (hsa_get_kernel_dispatch_type): Likewise.
9091 * hsa-brig.c (hsa_cdtor_statements): Removed.
9092 (hsa_output_libgomp_mapping): Use hsa_get_ctor_statements and
9093 hsa_get_dtor_statements.
9094 * hsa-gen.c (hsa_kernel_dispatch_type): Removed.
9095 (get_hsa_kernel_dispatch_offset): Use hsa_get_kernel_dispatch_type.
9097 2016-03-07 Andre Vieira <andre.simoesdiasvieira@arm.com>
9099 * config/arm/arm-cores.def (cortex-r8): New.
9100 * config/arm/arm-tables.opt (cortex-r8): Regenerate.
9101 * config/arm/arm-tune.md: Likewise.
9102 * doc/invoke.texi: Add cortex-r8 to list of cpu values.
9104 2016-03-07 Martin Sebor <msebor@redhat.com>
9106 PR rtl-optimization/19705
9107 * doc/invoke.texi (Options That Control Optimization): Clarify
9108 -fno-branch-count-reg.
9110 2016-02-26 Richard Biener <rguenther@suse.de>
9111 Jeff Law <law@redhat.com>
9113 PR tree-optimization/69740
9114 * cfghooks.c (remove_edge): Request loop fixups if we delete
9115 an edge that might turn an irreducible loop into a natural
9117 * cfgloop.h (check_verify_loop_structure): Clear LOOPS_NEED_FIXUP.
9118 Move after definition of loops_state_clear.
9120 2016-03-07 Bin Cheng <bin.cheng@arm.com>
9122 PR rtl-optimization/69052
9123 * rtlanal.c (commutative_operand_precedence): Set higher precedence
9126 2016-03-07 Tom de Vries <tom@codesourcery.com>
9128 PR tree-optimization/70116
9129 * tree-ssa-tail-merge.c (merge_stmts_p): New function, handling
9130 is_tm_ending stmts and ubsan/asan internal functions.
9131 (find_duplicate): Use it. Don't test is_tm_ending here.
9133 2016-03-07 Richard Biener <rguenther@suse.de>
9135 PR tree-optimization/70115
9136 * tree-ssa-loop-ivcanon.c (propagate_into_all_uses): Remove.
9137 (propagate_constants_for_unrolling): Use replace_uses_by.
9139 2016-03-07 Nathan Sidwell <nathan@codesourcery.com>
9142 * omp-low.c (struct oacc_loop): Add ifns.
9143 (new_oacc_loop_raw): Initialize it.
9144 (finish_oacc_loop): Clear mask & flags if no ifns.
9145 (oacc_loop_discover_walk): Count IFN_GOACC_LOOP calls.
9146 (oacc_loop_xform_loop): Add ifns arg & adjust.
9147 (oacc_loop_process): Adjust oacc_loop_xform_loop call.
9149 2016-03-07 Richard Henderson <rth@redhat.com>
9152 * tree-outofssa.c (emit_partition_copy): Flush pending stack adjust.
9153 (insert_value_copy_on_edge): Likewise.
9155 2016-03-07 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
9157 * config/arm/arm_neon.h: Show error if using with soft-float ABI.
9159 2016-03-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
9162 * config/i386/sol2.h (STACK_REALIGN_DEFAULT): Define.
9164 2016-03-05 Venkataramanan Kumar <Venkataramanan.kumar@amd.com>
9166 * config/i386/i386.c (znver1_cost): Fix Multiply cost.
9168 2016-03-05 Venkataramanan Kumar <Venkataramanan.kumar@amd.com>
9170 Fix sseimul type attribute.
9171 * config/i386/znver1.md
9172 (znver1_sseimul, znver1_sseimul_avx256, znver1_sseimul_load,
9173 znver1_sseimul_avx256_load) : Fix the type attribute.
9174 (znver1_sseimul_di, znver1_sseimul_load_di): Fix type attribute,
9175 pipe usage and latency.
9177 2016-03-05 Jakub Jelinek <jakub@redhat.com>
9180 * tree-inline.c (copy_tree_body_r): When cancelling ADDR_EXPR
9181 of INDIRECT_REF and ADDR_EXPR changed type, fold_convert it
9184 2016-03-04 Bernd Schmidt <bschmidt@redhat.com>
9187 * targhooks.c (default_vector_alignment): Limit to MAX_OFILE_ALIGNMENT.
9189 PR rtl-optimization/69941
9190 * postreload.c (reload_combine_recognize_pattern): Ensure all uses of
9191 the reg share its mode.
9193 2016-03-04 Jeff Law <law@redhat.com>
9195 PR tree-optimization/69196
9196 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
9197 If the both SSA_NAMEs are anonymous, then consider them unassociated
9198 and include the PHI in the statement count.
9200 2016-03-05 Tom de Vries <tom@codesourcery.com>
9202 * omp-low.c (check_omp_nesting_restrictions): Check for non-oacc
9203 construct in oacc routine. Check for oacc region in oacc routine.
9205 2016-03-04 Jakub Jelinek <jakub@redhat.com>
9208 * config/i386/i386.c (decide_alg): Add RECUR argument. Revert
9209 2016-02-22 changes, instead don't recurse if RECUR is already true.
9210 Don't change *dynamic_check if RECUR. Adjust recursive caller
9211 to pass true to the new argument.
9212 (ix86_expand_set_or_movmem): Adjust decide_alg caller.
9215 * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
9216 <extract_type_2>_vinsert<shuffletype><extract_suf_2>_mask): Formatting
9218 (vec_set_hi_<mode><mask_name>): Likewise. Swap VEC_CONCAT operands.
9220 2016-03-04 Bernd Schmidt <bschmidt@redhat.com>
9222 PR rtl-optimization/57676
9223 * lra-assigns.c (lra_assign): Guard test for maximum iterations
9226 2016-03-04 Ilya Enkovich <enkovich.gnu@gmail.com>
9228 * tree-vect-patterns.c (search_type_for_mask): Handle
9229 comparison of booleans.
9231 2016-03-04 Jakub Jelinek <jakub@redhat.com>
9233 * doc/extend.texi (__builtin_alloca, __builtin_alloca_with_align):
9237 * dwarf2out.c (prune_unused_types_walk_loc_descr): Handle
9238 all other ops that have dw_val_class_die_ref operands,
9239 and DW_OP_GNU_entry_value.
9241 2016-03-03 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
9243 PR rtl-optimization/69904
9244 * config/arm/arm.c (arm_cannot_copy_insn_p):
9245 Return true for load-exclusive instructions.
9247 2016-03-03 Jakub Jelinek <jakub@redhat.com>
9250 * tree-vect-stmts.c (vect_mark_relevant): Remove USED_IN_PATTERN
9251 argument, if STMT_VINFO_IN_PATTERN_P (stmt_info), always mark
9252 the pattern no matter if it is used just by non-pattern, pattern
9254 (process_use, vect_mark_stmts_to_be_vectorized): Adjust callers.
9255 * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
9256 oprnd1 def_stmt is in pattern, don't look through it.
9258 2016-03-03 Marek Polacek <polacek@redhat.com>
9261 * match.pd (X % -Y): Add INTEGRAL_TYPE_P check.
9263 2016-03-03 Martin Liska <mliska@suse.cz>
9265 PR tree-optimization/70043
9266 * tree-vect-loop.c (optimize_mask_stores): Move iterator to
9267 previous statement if we see a debug statement.
9269 2016-03-03 Richard Biener <rguenther@suse.de>
9271 PR tree-optimization/55936
9272 * tree-vrp.c (compare_name_with_value): Add use_equiv_p
9273 parameter and guard unsafe equivalence use.
9274 (vrp_evaluate_conditional_warnv_with_ops): Always use
9275 safe equivalences but not via the quadratic compare_names
9278 2016-03-03 Michael Collison <michael.collison@linaro.org>
9281 * config/arm/arm.md (*subsi3_carryin_const): Change predicate
9282 for operand 1 to s_register_operand. Change predicate for operand
9283 2 to arm_not_immediate_operand.
9285 2016-03-02 H.J. Lu <hongjiu.lu@intel.com>
9287 * doc/tm.texi: Regenerated.
9289 2016-03-02 Richard Henderson <rth@redhat.com>
9292 * simplify-rtx.c (simplify_plus_minus): Allow reassoc without
9293 simplification when all args are positive non-fixed registers.
9295 2016-03-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
9297 * target.def (lra_p): Specify that new ports should use LRA.
9299 2016-03-02 Jakub Jelinek <jakub@redhat.com>
9302 * gimplify.c (gimplify_decl_expr): For decls with REFERENCE_TYPE, also
9303 gimplify_type_sizes the type they refer to.
9304 (omp_notice_variable): Handle reference vars to VLAs.
9305 * omp-low.c (lower_omp_target): Emit setup of OMP_CLAUSE_PRIVATE
9306 reference to VLA decls in the second pass instead of first pass.
9308 2016-03-02 Tom de Vries <tom@codesourcery.com>
9310 PR tree-optimization/68659
9311 * graphite-isl-ast-to-gimple.c (collect_all_ssa_names): Handle
9312 new_expr == NULL_TREE.
9313 (get_new_name): Handle ADDR_EXPR.
9315 2016-03-02 Bin Cheng <bin.cheng@arm.com>
9317 PR rtl-optimization/69052
9318 * loop-invariant.c (canonicalize_address): New function.
9319 (inv_can_prop_to_addr_use): Check validity of address expression
9320 which is canonicalized by above function.
9322 2016-03-02 Alan Modra <amodra@gmail.com>
9325 * ipa-icf.c (sem_variable::merge): Do not merge an alias with
9328 2016-03-02 Jakub Jelinek <jakub@redhat.com>
9331 * config/i386/i386.md (kmovw): Move m constraint to 2nd alternative.
9332 (*movhi_internal): Put mask moves from and to memory separately
9333 from moves from/to GPRs.
9335 2016-03-02 Richard Biener <rguenther@suse.de>
9337 * genmatch.c (dt_node::gen_kids): Fix match code-gen for embedded
9338 GENERIC expressions in GIMPLE.
9340 2016-03-02 Richard Biener <rguenther@suse.de>
9342 * config/i386/i386.c (type_natural_mode): Fix typo.
9344 2016-03-02 Nick Clifton <nickc@redhat.com>
9346 * config.gcc (mep-*-elf): Add newlib-stdint.h to tm_file.
9348 2016-03-02 Richard Biener <rguenther@suse.de>
9349 Uros Bizjak <ubizjak@gmail.com>
9352 * config/i386/i386.c (type_natural_mode): Handle XFmode vectors.
9354 2016-03-02 Richard Biener <rguenther@suse.de>
9357 * tree-cfg.c (verify_expr): Adjust BIT_FIELD_REF case.
9359 2016-03-02 Marek Polacek <polacek@redhat.com>
9362 * gimplify.c (gimplify_va_arg_expr): Use expanded location for the
9363 "is promoted to" warning.
9365 2016-03-01 DJ Delorie <dj@redhat.com>
9367 * config.gcc: Deprecate mep-*.
9369 2016-03-01 Vladimir Makarov <vmakarov@redhat.com>
9372 * lra-constraints.c (regno_val_use_in): New.
9373 (match_reload): Use it instead of regno_use_in.
9375 2016-03-01 Eric Botcazou <ebotcazou@adacore.com>
9377 PR rtl-optimization/70007
9378 * gcse.c (compute_ld_motion_mems): Tidy up and also invalidate memory
9379 references present in REG_EQUAL notes attached to non-SET patterns.
9381 2016-03-01 Jeff Law <law@redhat.com>
9383 PR tree-optimization/69196
9384 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
9385 Appropriately clamp the number of statements to copy when the
9386 thread path does not traverse a loop backedge.
9388 PR tree-optimization/69196
9389 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
9390 Do count some PHIs in the thread path against the insn count. Decrease
9391 final statement count by one as the control statement in the last
9392 block will get removed. Remove special cased code for handling PHIs
9395 2016-03-01 Uros Bizjak <ubizjak@gmail.com>
9398 * config/i386/i386.c (ix86_output_call_insn): Add -masm=intel
9399 asm dialect alternatives to explicit GOTPCREL calls.
9401 2016-03-01 Eric Botcazou <ebotcazou@adacore.com>
9404 * ira.c (do_reload): Issue warning for generic stack checking here...
9405 * reload1.c (reload): ...instead of here and streamline it.
9407 2016-03-01 Nick Clifton <nickc@redhat.com>
9409 * config.gcc (cr16-*-elf): Add newlib-stdint.h to tm_file.
9411 2016-03-01 Richard Biener <rguenther@suse.de>
9413 PR tree-optimization/69983
9414 * tree-chrec.c (eq_evolutions_p): Handle conversions, compare
9415 types and fall back to operand_equal_p.
9417 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
9420 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
9422 * config/s390/constraints.md ("jm8"): New constraint.
9423 * config/s390/predicates.md ("const_int_8bitset_operand"): New
9425 * config/s390/s390.md ("*setmem_long", "*setmem_long_and"): Merge
9427 ("*setmem_long<setmem_and>"): New pattern.
9428 ("*setmem_long_31z", "*setmem_long_and_31z"): Merge
9430 ("*setmem_long_31z<setmem_and>"): New pattern.
9431 * config/s390/subst.md ("setmem_31z_subst", "setmem_and_subst"):
9432 New substitution rules with the required attributes.
9435 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
9438 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
9440 * gensupport.c (process_substs_on_one_elem): Split loop to
9441 complete mark_operands_used_in_match_dup on all expressions in the
9443 (adjust_operands_numbers): Inline into process_substs_on_one_elem
9444 and remove function.
9446 2016-03-01 Richard Biener <rguenther@suse.de>
9449 * fold-const.c (fold_indirect_ref_1): Fix range checking for
9450 vector BIT_FIELD_REF extract.
9452 2016-03-01 Richard Biener <rguenther@suse.de>
9454 PR tree-optimization/69994
9455 * tree-ssa-reassoc.c (ops_equal_values_p): Handle missing case.
9457 2016-03-01 Ilya Enkovich <enkovich.gnu@gmail.com>
9459 PR tree-optimization/69956
9460 * tree-vect-stmts.c (supportable_widening_operation): Support
9461 multi-step conversion of boolean vectors.
9462 (supportable_narrowing_operation): Likewise.
9464 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
9466 * config/s390/s390.c (s390_decompose_address): Don't accept SImode
9469 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
9471 * config/s390/subst.md (DSI_VI): New mode iterator.
9472 ("addr_style_op_subst"): Use DSI_VI instead of DSI.
9473 * config/s390/vector.md ("vec_set<mode>"): Move expander before
9474 the insn definition.
9475 ("*vec_set<mode>"): Change predicate and add alternative to
9476 support only either register or const_int operands as element
9478 ("*vec_set<mode>_plus"): New pattern to support reg + const_int
9480 ("vec_extract<mode>"): New expander.
9481 ("*vec_extract<mode>"): New insn definition supporting reg and
9482 const_int element selectors.
9483 ("*vec_extract<mode>_plus"): New insn definition supporting
9484 reg+const_int element selectors.
9485 ("rotl<mode>3", "ashl<mode>3", "ashr<mode>3"): Merge into the
9486 following expander+insn definition.
9487 ("<vec_shifts_name><mode>3"): New expander.
9488 ("*<vec_shifts_name><mode>3<addr_style_op>"): New insn definition.
9490 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
9492 * config/s390/s390.md ("*tabort_1"): Change predicate to
9493 nonmemory_operand. Add a second alternative to cover
9494 register as well as const int operands.
9495 ("*tabort_1_plus"): New pattern definition.
9497 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
9499 * config/s390/s390.md ("*ashrdi3_cc_31")
9500 ("*ashrdi3_cconly_31""*ashrdi3_cc_31_and")
9501 ("*ashrdi3_cconly_31_and", "*ashrdi3_31_and", "*ashrdi3_31"):
9502 Merge insn definitions into ...
9503 ("*ashrdi3_31<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
9504 New pattern definition.
9505 ("*ashr<mode>3_cc", "*ashr<mode>3_cconly", "ashr<mode>3", )
9506 ("*ashr<mode>3_cc_and", "*ashr<mode>3_cconly_and")
9507 ("*ashr<mode>3_and"): Merge insn definitions into ...
9508 ("*ashr<mode>3<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
9509 New pattern definition.
9510 * config/s390/subst.md ("addr_style_op_cc_subst")
9511 ("masked_op_cc_subst", "setcc_subst", "cconly_subst"): New
9512 substitutions patterns plus attributes.
9513 Add ashiftrt to SUBST iterator.
9515 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
9517 * config/s390/s390.md ("<shift><mode>3"): Change predicate of
9518 op2 to nonmemory_operand.
9519 ("*<shift>di3_31", "*<shift>di3_31_and"):
9520 Merge into single pattern definition ...
9521 ("*<shift>di3_31<addr_style_op><masked_op>"): New pattern.
9522 ("*<shift><mode>3", "*<shift><mode>3_and"): Merge into single
9523 pattern definition ...
9524 ("*<shift><mode>3<addr_style_op><masked_op>"): New pattern.
9525 * config/s390/subst.md: Add ashift and lshiftrt to SUBST
9528 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
9530 * config/s390/predicates.md (const_int_6bitset_operand): New
9532 * config/s390/s390.md: Include subst.md.
9533 ("rotl<mode>3"): New expander.
9534 ("rotl<mode>3", "*rotl<mode>3_and"): Merge insn definitions into
9536 ("*rotl<mode>3<addr_style_op><masked_op>"): New insn definition.
9537 * config/s390/subst.md: New file.
9539 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
9541 * config/s390/s390.md ("op_type", "atype", "length" attributes):
9542 Remove RRR type. It doesn't really exist.
9543 ("RRer", "f0", "v0", "vf", "vd", "op1", "Rf"): Remove mode
9545 ("BFP", "DFP", "nDSF", "nDFDI"): Add mode attributes.
9546 ("*cmp<mode>_ccs", "floatdi<mode>2", "add<mode>3")
9547 ("*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3")
9548 ("*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3")
9549 ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2")
9550 ("*abs<mode>2", "*negabs<mode>2", "sqrt<mode>2"): Override
9551 `enabled' attribute.
9553 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
9555 * gensupport.c (process_substs_on_one_elem): Split loop to
9556 complete mark_operands_used_in_match_dup on all expressions in the
9558 (adjust_operands_numbers): Inline into process_substs_on_one_elem
9559 and remove function.
9561 2016-02-29 Eric Botcazou <ebotcazou@adacore.com>
9564 * config/sparc/sparc.c (NWORDS_UP): Rename to...
9565 (CEIL_NWORDS): ...this. Use CEIL macro.
9566 (compute_fp_layout): Adjust to above renaming.
9567 (function_arg_union_value): Likewise.
9568 (sparc_arg_partial_bytes): Likewise.
9569 (sparc_function_arg_advance): Likewise.
9571 2016-02-29 Jeff Law <law@redhat.com>
9573 PR tree-optimization/70005
9574 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Handle case
9575 where an object with a boolean range is compared against a value
9578 PR tree-optimization/69999
9579 * gimple-ssa-split-paths.c (split_paths): When duplicating a block
9580 with an outgoing edge marked with EDGE_IRREDUCIBLE_LOOP, schedule
9583 2016-02-29 Richard Biener <rguenther@suse.de>
9585 PR tree-optimization/69994
9586 * tree-ssa-reassoc.c (gimple_nop_conversion_p): New function.
9587 (get_unary_op): Look through nop conversions.
9588 (ops_equal_values_p): New function, look for equality diregarding
9590 (eliminate_plus_minus_pair): Use ops_equal_values_p
9591 (repropagate_negates): Do not use get_unary_op here.
9593 2016-02-29 Martin Liska <mliska@suse.cz>
9595 * system.h: Poison ENABLE_CHECKING macro.
9597 2016-02-29 Martin Liska <mliska@suse.cz>
9599 * hsa-gen.c (gen_body_from_gimple): Dump only if TDF_DETAILS
9600 is presented in dump flags.
9601 * hsa-regalloc.c (linear_scan_regalloc): Likewise.
9602 (hsa_regalloc): Likewise.
9604 2016-02-19 Richard Biener <rguenther@suse.de>
9606 PR tree-optimization/69980
9607 * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Update
9608 permutation of those we need to keep.
9610 2016-02-29 Eric Botcazou <ebotcazou@adacore.com>
9613 * config/sparc/sparc.c (ROUND_ADVANCE): Rename to...
9614 (NWORDS_UP): ...this
9615 (init_cumulative_args): Minor tweaks.
9616 (sparc_promote_function_mode): Likewise.
9617 (scan_record_type): Delete.
9618 (traverse_record_type): New function template.
9619 (classify_data_t): New structure type.
9620 (classify_registers): New inline function.
9621 (function_arg_slotno): In 64-bit mode, bail out early if FP slots are
9622 exhausted. Instantiate traverse_record_type on classify_registers and
9623 deal with the case of a structure passed in slot #15 with no FP field
9625 (assign_data_t): New structure type.
9626 (compute_int_layout): New static function.
9627 (compute_fp_layout): Likewise.
9628 (count_registers): New inline function.
9629 (assign_int_registers): New static function.
9630 (assign_fp_registers): Likewise.
9631 (assign_registers): New inline function.
9632 (function_arg_record_value_1): Delete.
9633 (function_arg_record_value_2): Likewise.
9634 (function_arg_record_value_3): Likewise.
9635 (function_arg_record_value): Adjust to above changes. Instantiate
9636 traverse_record_type on count_registers to first count the number of
9637 registers to be used and then on assign_registers to assign them.
9638 (function_arg_union_value): Adjust to above renaming.
9639 (sparc_function_arg_1); Minor tweaks. Remove commented out code.
9640 (sparc_arg_partial_bytes): Adjust to above renaming. Deal with the
9641 case of a structure passed in slot #15
9642 (sparc_function_arg_advance): Likewise.
9643 (function_arg_padding): Minor tweak.
9645 2016-02-29 Richard Biener <rguenther@suse.de>
9647 PR tree-optimization/69720
9648 * tree-vect-loop.c (get_initial_def_for_reduction): Avoid
9649 the adjustment_def path for possibly vectorized defs.
9650 (vect_create_epilog_for_reduction): Handle vectorized initial
9653 2016-02-28 Eric Botcazou <ebotcazou@adacore.com>
9655 * config/i386/cygming.h (STACK_REALIGN_DEFAULT): Define.
9657 2016-02-27 Jeff Law <law@redhat.com>
9660 2016-02-26 Richard Biener <rguenther@suse.de>
9661 Jeff Law <law@redhat.com>
9663 PR tree-optimization/69740
9664 * cfghooks.c (remove_edge): Request loop fixups if we delete
9665 an edge that might turn an irreducible loop into a natural
9668 2016-02-27 Jakub Jelinek <jakub@redhat.com>
9670 PR rtl-optimization/69896
9671 * tree-vect-generic.c (get_compute_type): Avoid single element
9674 2016-02-26 Evandro Menezes <e.menezes@samsung.com>
9676 Rename the AArch64 tuning option and related functions to enable the
9677 Newton series for the reciprocal square root to reflect its
9678 approximative characteristic.
9680 * config/aarch64/aarch64-protos.h (aarch64_emit_swrsqrt): Rename
9681 function to "aarch64_emit_approx_rsqrt".
9682 * config/aarch64/aarch64-tuning-flags.def: Rename tuning flag to
9683 AARCH64_EXTRA_TUNE_APPROX_RSQRT.
9684 * config/aarch64/aarch64.c (exynosm1_tunigs): Use new flag name.
9685 (xgene1_tunings): Likewise.
9686 (use_rsqrt_p): Likewise.
9687 (aarch64_emit_swrsqrt): Use new function name.
9688 * config/aarch64/aarch64-simd.md (aarch64_rsqrts_*): Likewise.
9689 * config/aarch64/aarch64.opt (mlow-precision-recip-sqrt): Reword the
9690 text explaining this option.
9691 * doc/invoke.texi (-mlow-precision-recip-sqrt): Likewise.
9693 2016-02-26 Jakub Jelinek <jakub@redhat.com>
9696 * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
9697 complain about -mallow-movmisalign without -mvsx if
9698 TARGET_ALLOW_MOVMISALIGN was not set explicitly.
9700 2016-02-26 Joel Sherrill <joel@rtems.org>
9702 * config.gcc: Add x86_64-*-rtems*.
9703 * config/i386/rtems-64.h: New file.
9705 2016-02-26 Joel Sherrill <joel@rtems.org>
9707 * config.gcc: Add aarch64-*-rtems*.
9708 * config/aarch64/rtems.h: New file.
9710 2016-02-26 Segher Boessenkool <segher@kernel.crashing.org>
9713 * config/rs6000/rs6000.c (rs6000_insn_for_shift_mask): Print rlwinm
9714 shift amount using %h. Add comment.
9716 2016-02-26 Richard Biener <rguenther@suse.de>
9717 Jeff Law <law@redhat.com>
9719 PR tree-optimization/69740
9720 * cfghooks.c (remove_edge): Request loop fixups if we delete
9721 an edge that might turn an irreducible loop into a natural
9724 2016-02-26 Martin Jambor <mjambor@suse.cz>
9727 * tree-sra.c (sra_modify_assign): Do not remove loads of
9728 uninitialized aggregates to SSA_NAMEs.
9730 2016-02-26 Richard Henderson <rth@redhat.com>
9733 * config/s390/s390.md (risbg and risbgn splitters): Allocate new
9734 pseudo in case the target rtx matches the source of the left
9737 2016-02-26 Martin Jambor <mjambor@suse.cz>
9740 * hsa.h (hsa_type_packed_p): Declare.
9741 * hsa.c (hsa_type_packed_p): New function.
9742 * hsa-gen.c (mem_type_for_type): Use unsigned type for packed
9744 (gen_hsa_insns_for_store): Use hsa_type_packed_p.
9745 * hsa-brig.c (emit_basic_insn): Likewise.
9747 2016-02-26 Martin Jambor <mjambor@suse.cz>
9750 * hsa-gen.c (gen_hsa_phi_from_gimple_phi): Use proper hsa type for
9752 (gen_hsa_addr): Allow integer constants in TMR_INDEX2.
9754 2016-02-26 Martin Jambor <mjambor@suse.cz>
9756 * hsa.h (is_a_helper): New overload for hsa_op_immed for
9757 hsa_op_with_type operands.
9758 (hsa_unsigned_type_for_type): Declare.
9759 * hsa.c (hsa_unsigned_type_for_type): New function.
9760 * hsa-gen.c (gen_hsa_binary_operation): Use hsa_unsigned_type_for_type.
9761 (gen_hsa_insns_for_operation_assignment): Satisfy constrains of
9762 the finalizer. Do not emit extra move.
9764 2016-02-26 Martin Jambor <mjambor@suse.cz>
9766 * hsa-gen.c (gen_hsa_ternary_atomic_for_builtin): Fail in presence of
9767 atomic operations in private segment.
9769 2016-02-26 Martin Jambor <mjambor@suse.cz>
9771 * omp-low.c (grid_find_ungridifiable_statement): Store problematic
9772 statements to wi->info. Also disallow omp simd constructs.
9773 (grid_target_follows_gridifiable_pattern): Use wi.info to dump reason
9774 for not gridifying. Dump special string for omp_for.
9776 2016-02-26 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
9779 * config/aarch64/aarch64.c (aarch64_set_current_function):
9780 Save/restore target globals when switching to
9781 target_option_default_node.
9783 2016-02-26 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
9786 * config/aarch64/aarch64.c (aarch64_shift_truncation_mask):
9787 Return 0 if !SHIFT_COUNT_TRUNCATED.
9789 2016-02-26 Jakub Jelinek <jakub@redhat.com>
9790 Eric Botcazou <ebotcazou@adacore.com>
9792 PR rtl-optimization/69891
9793 * dse.c (scan_insn): If we can't figure out memset arguments
9794 or they are non-constant, call clear_rhs_from_active_local_stores.
9796 2016-02-26 Martin Liska <mliska@suse.cz>
9798 * doc/extend.texi: Mention clog10, clog10f an clog10l
9799 in Builtins section.
9801 2016-02-26 Martin Liska <mliska@suse.cz>
9803 * dwarf2out.c (new_loc_descr): Replace ENABLE_CHECKING with
9805 (resolve_args_picking_1): Likewise.
9806 * dwarf2out.h (struct GTY): Likewise.
9808 2016-02-26 Martin Liska <mliska@suse.cz>
9810 * hsa-gen.c (generate_hsa): Replace ENABLE_CHECKING macro
9812 * hsa-regalloc.c (linear_scan_regalloc): Likewise.
9814 2016-02-26 Markus Trippelsdorf <markus@trippelsdorf.de>
9815 Martin Liska <mliska@suse.cz>
9817 * doc/install.texi: Mention --enable-valgrind-annotations.
9819 2016-02-26 Richard Biener <rguenther@suse.de>
9821 PR tree-optimization/69551
9822 * tree-ssa-structalias.c (get_constraint_for_ssa_var): When
9823 looking through aliases adjust DECL_PT_UID to refer to the
9824 ultimate alias target.
9826 2016-02-25 Martin Liska <mliska@suse.cz>
9829 * alloc-pool.c (after_memory_report): New variable.
9830 * alloc-pool.h (base_pool_allocator ::release): Do not use
9831 the infrastructure if after_memory_report.
9832 * toplev.c (toplev::main): Mark after memory report.
9834 2016-02-25 Richard Biener <rguenther@suse.de>
9836 PR tree-optimization/48795
9837 * tree-vrp.c (check_array_ref): Use array_at_struct_end_p.
9839 2016-02-25 Ilya Verbin <ilya.verbin@intel.com>
9842 * config/gnu-user.h (CRTOFFLOADBEGIN): Define. Add crtoffloadbegin.o if
9843 offloading is enabled and -fopenacc or -fopenmp is specified.
9844 (CRTOFFLOADEND): Likewise.
9845 (GNU_USER_TARGET_STARTFILE_SPEC): Add CRTOFFLOADBEGIN.
9846 (GNU_USER_TARGET_ENDFILE_SPEC): Add CRTOFFLOADEND.
9847 * lto-wrapper.c (offloadbegin, offloadend): Remove static vars.
9848 (offload_objects_file_name): New static var.
9849 (tool_cleanup): Remove offload_objects_file_name file.
9850 (find_offloadbeginend): Replace with ...
9851 (find_crtoffloadtable): ... this.
9852 (run_gcc): Remove offload_argc and offload_argv.
9853 Get offload_objects_file_name from -foffload-objects=... option.
9854 Read names of object files with offload from this file, pass them to
9855 compile_images_for_offload_targets. Don't call find_offloadbeginend and
9856 don't pass offloadbegin and offloadend to the linker. Don't pass
9857 offload non-LTO files to the linker, because now they're not claimed.
9859 2016-02-25 Jan Hubicka <hubicka@ucw.cz>
9862 * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
9863 on builtin_unreachable.
9865 2016-02-25 Jakub Jelinek <jakub@redhat.com>
9867 PR rtl-optimization/69896
9868 * regcprop.c: Include cfgrtl.h.
9869 (copyprop_hardreg_forward_1): If noop_p insn uses narrower
9870 than remembered mode, either delete it (if noop_move_p), or
9871 treat like copy_p but not noop_p instruction.
9873 2016-02-24 Jakub Jelinek <jakub@redhat.com>
9876 * dwarf2out.c (gen_variable_die): Work around buggy LTO
9877 - allow NULL decl for Fortran DW_TAG_common_block variables.
9879 2016-02-24 Jason Merrill <jason@redhat.com>
9881 * common.opt (flifetime-dse): Add -flifetime-dse=1.
9883 2016-02-24 Richard Biener <rguenther@suse.de>
9884 Jakub Jelinek <jakub@redhat.com>
9887 * tree-scalar-evolution.c (interpret_rhs_expr): Re-write
9888 conditionally executed ops to well-defined overflow behavior.
9890 2016-02-24 Jakub Jelinek <jakub@redhat.com>
9893 * tree.c (build_vector_from_ctor): Fix handling of VECTOR_CST
9896 2016-02-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
9898 PR rtl-optimization/69886
9899 * gcse.c (can_assign_to_reg_without_clobbers_p): Accept mode
9900 argument. Use it when checking validity of set instructions.
9901 (want_to_gcse_p): Pass mode to can_assign_to_reg_without_clobbers_p.
9902 (compute_ld_motion_mems): Update can_assign_to_reg_without_clobbers_p
9904 * rtl.h (can_assign_to_reg_without_clobbers_p): Update prototype.
9905 * store-motion.c (find_moveable_store): Update
9906 can_assign_to_reg_without_clobbers_p callsite.
9908 2016-02-24 Richard Biener <rguenther@suse.de>
9911 * tree-ssa-loop-niter.c (derive_constant_upper_bound_ops): Fix
9913 (record_nonwrapping_iv): Do not fall back to the low/high bound
9914 for non-constant IV bases if the stmt is not always executed.
9916 2016-02-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
9918 * config/arm/arm-cores.def (cortex-a32): New entry.
9919 * config/arm/arm-tables.opt: Regenerate.
9920 * config/arm/arm-tune.md: Regenerate.
9921 * config/arm/bpabi.h (BE8_LINK_SPEC): Add mcpu=cortex-a32.
9922 * config/arm/t-aprofile: Handle mcpu=cortex-a32.
9923 * doc/invoke.texi (ARM Options): Document cortex-a32 as value
9924 for -mcpu and -mtune.
9926 2016-02-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
9929 * config/arm/arm.h (TARGET_HAVE_LPAE): Define.
9930 * config/arm/unspecs.md (VUNSPEC_LDRD_ATOMIC): New value.
9931 * config/arm/sync.md (arm_atomic_loaddi2_ldrd): New pattern.
9932 (atomic_loaddi_1): Delete.
9933 (atomic_loaddi): Rewrite expander using the above changes.
9935 2016-02-24 Jakub Jelinek <jakub@redhat.com>
9938 * params.def (PARAM_MAX_SSA_NAME_QUERY_DEPTH): Bump default from
9941 2016-02-24 Jakub Jelinek <jakub@redhat.com>
9942 Richard Biener <rguenth@suse.de>
9945 * expr.c (expand_expr_real_1) <normal_inner_ref>: Avoid
9946 set_mem_attributes if tem is SSA_NAME which got expanded
9949 2016-02-24 Richard Biener <rguenther@suse.de>
9951 PR tree-optimization/69907
9952 * tree-vect-stmts.c (vectorizable_load): Check for gaps at the
9953 end of permutations for BB vectorization.
9955 2016-02-24 Christian Bruel <christian.bruel@st.com>
9957 * config/arm/arm-c.c (arm_option_override): Initialize
9958 target_option_current_node.
9959 * config/arm/arm.c (arm_pragma_target_parse): Replace
9960 build_target_option_node call by target_option_current_node.
9961 Set target_option_current_node.
9964 2016-02-23 David Edelsohn <dje.gcc@gmail.com>
9967 * config/rs6000/rs6000.md (zero_extendqi<mode>2_dot): Convert from
9968 define_insn_and_split to define_insn.
9969 (zero_extendqi<mode>2_dot2): Same.
9970 (extendqi<mode>2_dot): Same.
9971 (extendqi<mode>2_dot2): Same.
9973 2016-02-23 Evandro Menezes <e.menezes@samsung.com>
9975 * config/arm/exynos-m1.md: Change cost of STP, fix bypass for stores
9976 and add bypass for AES{D,E} and AESMC pairs.
9977 * config/aarch64/aarch64.c (exynosm1_tunings): Enable fusion of AES{D,E}
9980 2016-02-23 Evandro Menezes <e.menezes@samsung.com>
9982 * config/aarch64/aarch64.c (exynosm1_tunings): Enable the Newton
9983 series for reciprocal square root in Exynos M1.
9985 2016-02-23 Martin Sebor <msebor@redhat.com>
9988 * doc/extend.texi (Other Builtins): Document __builtin_alloca and
9989 __builtin_alloca_with_align.
9991 2016-02-23 Richard Henderson <rth@redhat.com>
9993 * config/i386/i386-c.c (ix86_target_macros): Remove __SEG_TLS.
9994 (ix86_register_pragmas): Remove __seg_tls.
9995 * config/i386/i386-protos.h (ADDR_SPACE_SEG_TLS): Remove.
9996 * config/i386/i386.c (ix86_print_operand_address_as): Don't handle it.
9997 (ix86_addr_space_subset_p, TARGET_ADDR_SPACE_SUBSET_P): Remove.
9998 (ix86_addr_space_convert, TARGET_ADDR_SPACE_CONVERT): Remove.
9999 (ix86_addr_space_debug, TARGET_ADDR_SPACE_DEBUG): Remove.
10000 * doc/extend.texi (__seg_tls): Remove item.
10002 2016-02-23 Richard Biener <rguenther@suse.de>
10004 * alloc-pool.h (struct allocation_object): Make id member
10005 conditional on CHECKING_P again.
10006 (get_instance): Adjust.
10007 (base_pool_allocator): Likewise.
10009 2016-02-23 Thomas Schwinge <thomas@codesourcery.com>
10011 * tree-parloops.c (create_parallel_loop, gen_parallel_loop)
10012 (parallelize_loops): In OpenACC kernels mode, set n_threads to
10014 (pass_parallelize_loops::gate): In OpenACC kernels mode, gate on
10016 * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
10018 2016-02-23 Richard Biener <rguenther@suse.de>
10020 * mem-stats.h (struct mem_usage): Use PRIu64 for printing size_t.
10021 * bitmap.h (struct bitmap_usage): Likewise.
10022 (bitmap_move): Declare.
10023 * bitmap.c (register_overhead): Take size_t argument.
10024 (bitmap_move): New function.
10025 * df-problems.c (df_rd_transfer_function): Use bitmap_move
10026 to properly account overhead.
10027 * tree.c (free_node): Use tree_size.
10029 2016-02-23 Jakub Jelinek <jakub@redhat.com>
10032 * fold-const.c (fold_truth_not_expr): Propagate TREE_NO_WARNING
10033 when inverting comparison.
10036 * common.opt (Wunreachable-code): Add Warning flag.
10038 2016-02-23 Mark Wielaard <mjw@redhat.com>
10039 Jakub Jelinek <jakub@redhat.com>
10042 * cgraphunit.c (check_global_declaration): Check main_input_filename
10043 and DECL_SOURCE_FILE are not NULL.
10045 2016-02-23 Martin Jambor <mjambor@suse.cz>
10047 PR tree-optimization/69666
10048 * tree-sra.c (sra_modify_assign): Do not attempt to create
10049 default_def replacements for unscalarizable regions.
10051 2016-02-20 Mark Wielaard <mjw@redhat.com>
10054 * cgraphunit.c (check_global_declaration): Check level of
10055 warn_unused_const_variable and main_input_filename.
10056 * doc/invoke.texi (Warning Options): Add -Wunused-const-variable=.
10057 (-Wunused-variable): For C implies -Wunused-const-variable=1.
10058 (-Wunused-const-variable): Explain levels 1 and 2.
10060 2016-02-22 Jakub Jelinek <jakub@redhat.com>
10063 * config/i386/i386.c (decide_alg): Ensure we don't recurse with
10064 identical arguments. Formatting and spelling fixes.
10067 * doc/md.texi (ashl@var{m}3): Document that mode of operand 2 must
10072 * config/m68k/t-opts (OPTIONS_H_EXTRA): Add m68k-microarchs.def
10073 and m68k-devices.def.
10074 * config/c6x/t-c6x (OPTIONS_H_EXTRA): Add c6x-isas.def.
10075 * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add aarch64-arches.def.
10077 2016-02-22 Cesar Philippidis <cesar@codesourcery.com>
10079 * config/nvptx/nvptx.c (nvptx_gen_shuffle): Add support for QImode
10080 and HImode registers.
10082 2016-02-22 Richard Biener <rguenther@suse.de>
10084 PR tree-optimization/69882
10085 * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Properly
10086 preserve permutations present because of gaps.
10087 (vect_supported_load_permutation_p): Always continue checking
10088 permutations after vect_attempt_slp_rearrange_stmts.
10090 2016-02-22 Bin Cheng <bin.cheng@arm.com>
10092 * tree-vect-loop.c (vect_estimate_min_profitable_iters): Dump
10093 min_profitable_estimate, rather than min_profitable_iters.
10095 2016-02-22 Jakub Jelinek <jakub@redhat.com>
10098 * config/m68k/m68k.md (ashldi3, ashrdi3, lshrdi3): Use
10099 SImode for last match_operand.
10101 2016-02-22 Martin Liska <mliska@suse.cz>
10103 * hsa-gen.c (gen_hsa_clrsb): In case of zero value,
10104 return bitsize - 1 as the return value.
10106 2016-02-22 Oleg Endo <olegendo@gcc.gnu.org>
10110 * config/sh/sh.c (sh_lshrsi_clobbers_t_reg_p, sh_dynamicalize_shift_p):
10111 Handle negative shift counts.
10112 * config/sh/sh.md (ashlsi3, lshrsi3_n, lshrsi3_n_clobbers_t): Don't use
10113 force_reg on the shift constant.
10114 (lshrsi3): Likewise. Expand into lshrsi3_n* instead of lshrsi3_d.
10115 (lshrsi3_d): Handle negative shift counts.
10117 2016-02-22 Richard Biener <rguenther@suse.de>
10118 Tom de Vries <tom@codesourcery.com>
10120 * graph.c: Include dumpfile.h.
10121 (print_graph_cfg): Split into three overloads.
10122 * gdbhooks.py (class DotFn): Add and instantiate, adding command dot-fn.
10124 2016-02-22 Tom de Vries <tom@codesourcery.com>
10126 * gdbhooks.py (class DumpFn): Add and instantiate, adding command
10129 2016-02-22 Richard Biener <rguenther@suse.de>
10132 * ipa-inline-transform.c (inline_call): When not updating
10133 overall summaries adjust self size by the growth estimate.
10134 * ipa-inline.c (inline_to_all_callers_1): Add to the callers
10135 hash-set, do not update overall summaries here. Renamed from ...
10136 (inline_to_all_callers): ... this which is now wrapping the
10137 above and performing delayed overall summary update.
10138 (early_inline_small_functions): Delay updating of the overall
10141 2016-02-21 Markus Trippelsdorf <markus@trippelsdorf.de>
10143 * tree-chkp.c (chkp_mark_invalid_bounds_walker): Initialize
10146 2016-02-19 Jakub Jelinek <jakub@redhat.com>
10149 * gcc.c (LINK_COMMAND_SPEC, GOMP_SELF_SPECS): Use
10150 :%* in %:gt() argument.
10151 (greater_than_spec_func): Adjust for expecting only numbers,
10152 if there are more than two numbers, compare the last two.
10154 2016-02-19 Jonathan Wakely <jwakely@redhat.com>
10156 * doc/invoke.texi (C++ Dialect Options): Clarify interaction of
10157 -Wnarrowing with -std.
10159 2016-02-19 Jakub Jelinek <jakub@redhat.com>
10162 * expr.c (store_field): Don't use bit-field path if exp is
10163 COMPONENT_REF with TREE_ADDRESSABLE type, where TYPE_SIZE is
10164 different from bitsize, but DECL_SIZE of FIELD_DECL is bitsize
10165 and the assignment can be performed by bitwise copy. Formatting
10168 PR middle-end/69838
10169 * lra.c (lra_process_new_insns): If non-call exceptions are enabled,
10170 call copy_reg_eh_region_note_forward on before and/or after sequences
10171 and remove note from insn if it no longer can throw.
10174 * config/i386/sse.md (VI_512): Only include V64QImode and V32HImode
10175 if TARGET_AVX512BW.
10177 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
10179 * config/s390/vector.md: Add missing commutative operand markers
10180 to the patterns which qualify for one.
10181 * config/s390/vx-builtins.md: Likewise.
10183 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
10185 * config/s390/vector.md (VI, VI_QHS): Add single element vector
10186 types to mode iterators.
10187 (vec_double): ... and mode attribute.
10188 * config/s390/vx-builtins.md (non_vec_int): Likewise.
10190 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
10192 * config/s390/vector.md ("<ti*>add<mode>3", "<ti*>sub<mode>3"):
10193 Change the predicate of op2 from nonimmediate to general and let
10194 reload fix it if necessary.
10196 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
10198 * config/s390/vecintrin.h (vec_sub_u128): Define missing macro.
10200 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
10202 * config/s390/s390.c (s390_expand_vcond): Use the compare operand
10205 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
10207 * config/s390/s390-protos.h: Add s390_expand_vec_movstr prototype.
10208 * config/s390/s390.c (s390_expand_vec_movstr): New function.
10209 * config/s390/s390.md ("movstr<P:mode>"): Call
10210 s390_expand_vec_movstr.
10212 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
10214 * config/s390/s390.md: Add missing output modifier for operand 1
10215 to print it as address properly.
10217 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
10219 * config/s390/2827.md: Rename ooo_* insn attributes to zEC12_*.
10220 * config/s390/2964.md: New file.
10221 * config/s390/s390.c (s390_get_sched_attrmask): Use the right set
10222 of insn grouping attributes depending on the CPU level.
10223 (s390_get_unit_mask): New function.
10224 (s390_sched_score): Remove the OOO from the scheduling macros.
10225 Add loop to calculate a score for the instruction mix.
10226 (s390_sched_reorder): Likewise plus improve debug output.
10227 (s390_sched_variable_issue): Rename macros as above. Calculate
10228 the unit distances after actually scheduling an insn. Improve
10230 (s390_sched_init): Clear last_scheduled_unit_distance array.
10231 * config/s390/s390.md: Include 2964.md.
10233 2016-02-18 Jakub Jelinek <jakub@redhat.com>
10236 * config/i386/sse.md (*<floatsuffix>floatv2div2sf2_mask_1,
10237 *avx512vl_<code>v2div2qi2_mask_1, *avx512vl_<code><mode>v4qi2_mask_1,
10238 *avx512vl_<code><mode>v8qi2_mask_1, *avx512vl_<code><mode>v4hi2_mask_1,
10239 *avx512vl_<code>v2div2hi2_mask_1, *avx512vl_<code>v2div2si2_mask_1,
10240 *avx512f_<code>v8div16qi2_mask_1): New insns.
10242 2016-02-18 Michael Meissner <meissner@linux.vnet.ibm.com>
10245 * config/rs6000/predicates.md (fusion_gpr_addis): Revert
10248 * config/rs6000/rs6000.md (fusion_gpr_load_<mode>): Remove
10249 earlyclobber from target. Use wF constraint for fused memory
10251 (fusion_gpr_<P:mode>_<GPR_FUSION:mode>_load): Likewise.
10253 2016-02-18 Jakub Jelinek <jakub@redhat.com>
10254 Martin Liska <mliska@suse.cz>
10257 * cfgexpand.c (asan_sanitize_stack_p): New function.
10258 (partition_stack_vars): Use the function.
10259 (expand_stack_vars): Likewise.
10260 (defer_stack_allocation): Likewise.
10261 (expand_used_vars): Likewise.
10263 2016-02-18 Richard Biener <rguenther@suse.de>
10265 PR middle-end/69553
10266 * fold-const.c (operand_equal_p): Properly compare offsets for
10267 IMAGPART_EXPR and ARRAY_REF.
10269 2016-02-18 Nick Clifton <nickc@redhat.com>
10273 * config/arm/arm.c (arm_option_override_internal): Disable
10274 interworking if the target does not support thumb instructions.
10275 (arm_reload_in_hi): Handle the case where a register to register
10276 move needs reloading because there is no simple pattern to handle
10278 (arm_reload_out_hi): Likewise.
10280 2016-02-18 Richard Biener <rguenther@suse.de>
10282 PR middle-end/69854
10283 * match.pd: Don't use fold_binary or fold_unary for folding
10286 2016-02-17 Jakub Jelinek <jakub@redhat.com>
10289 * gimplify.c (gimplify_cond_expr): Call gimple_set_no_warning
10290 on the cond_stmt from TREE_NO_WARNING on COND_EXPR_COND.
10291 * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Don't
10292 warn on gimple_no_warning_p statements.
10294 2016-02-17 Jonathan Wakely <jwakely@redhat.com>
10296 * doc/extend.texi (C++ Attributes): Correct description of
10297 warn_unused type attribute.
10299 2016-02-17 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
10301 * config/rs6000/altivec.md (*altivec_lvxl_<mode>_internal): Output
10302 correct instruction.
10304 2016-02-17 Richard Biener <rguenther@suse.de>
10306 PR rtl-optimization/69609
10307 * bb-reorder.c (struct bbro_basic_block_data): Add priority member.
10308 (find_traces_1_round): When ending a trace update cached priority
10310 (bb_to_key): Use cached priority when available.
10311 (copy_bb): Initialize cached priority.
10312 (reorder_basic_blocks_software_trace_cache): Likewise.
10314 2016-02-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
10317 * config/aarch64/predicates.md (aarch64_comparison_operator_mode):
10319 (aarch64_comparison_operator): Break overly long line into two.
10320 (aarch64_comparison_operation): Likewise.
10321 * config/aarch64/aarch64.md (cstorecc4): Use
10322 aarch64_comparison_operator_mode instead of
10323 aarch64_comparison_operator.
10324 (cstore<mode>4): Likewise.
10325 (aarch64_cstore<mode>): Likewise.
10326 (*cstoresi_insn_uxtw): Likewise.
10327 (cstore<mode>_neg): Likewise.
10328 (*cstoresi_neg_uxtw): Likewise.
10330 2016-02-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
10333 * config/arm/predicates.md (arm_comparison_operator_mode):
10335 * config/arm/arm.md (*mov_scc): Use arm_comparison_operator_mode
10336 instead of arm_comparison_operator.
10337 (*mov_negscc): Likewise.
10338 (*mov_notscc): Likewise.
10339 * config/arm/thumb2.md (*thumb2_mov_scc): Likewise.
10340 (*thumb2_mov_negscc): Likewise.
10341 (*thumb2_mov_negscc_strict_it): Likewise.
10342 (*thumb2_mov_notscc): Likewise.
10343 (*thumb2_mov_notscc_strict_it): Likewise.
10345 2016-02-17 Wilco Dijkstra <wdijkstr@arm.com>
10347 * config/aarch64/aarch64.c (aarch64_internal_mov_immediate):
10348 Add missing return.
10350 2016-02-17 Eric Botcazou <ebotcazou@adacore.com>
10352 * config/visium/visium.c (machine_libfunc_index): New enum.
10353 (machine_libfuncs): New structure.
10354 (visium_libfuncs): New static variable.
10355 (TARGET_INIT_LIBFUNCS): Define to...
10356 (visium_init_libfuncs): ...this. New function.
10357 (expand_block_move_4): Use the appropriate libfunc.
10358 (expand_block_move_2): Likewise.
10359 (expand_block_move_1): Likewise.
10360 (expand_block_set_4): Likewise.
10361 (expand_block_set_2): Likewise.
10362 (expand_block_set_1): Likewise.
10363 (visium_trampoline_init): Likewise.
10365 2016-02-17 Nick Clifton <nickc@redhat.com>
10367 * config/msp430/msp430.c (msp430_mcu_data): Sync with data from
10368 TI's devices.csv file as of March 2016.
10370 2016-02-16 Kelvin Nilsen <kelvin@gcc.gnu.org>
10373 * opts-global.c (handle_common_deferred_options): Introduce and
10374 initialize two global variables to remember command-line options
10375 specifying a stack-limiting register.
10376 * opts.h: Add extern declarations of the two new global variables.
10377 * emit-rtl.c (init_emit_once): Initialize the stack_limit_rtx
10378 variable based on the values of the two new global variables.
10380 2016-02-16 Jakub Jelinek <jakub@redhat.com>
10383 * common.opt (Wnonnull-compare): New warning.
10384 * doc/invoke.texi (-Wnonnull): Remove text about comparison
10385 of arguments against NULL.
10386 (-Wnonnull-compare): Document.
10387 * Makefile.in (OBJS): Add gimple-ssa-nonnull-compare.o.
10388 * tree-pass.h (make_pass_warn_nonnull_compare): Declare.
10389 * passes.def (pass_warn_nonnull_compare): Add.
10390 * gimple-ssa-nonnull-compare.c: New file.
10392 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
10394 * config/aarch64/aarch64.c (cortexa57_tunings): Remove
10395 AARCH64_EXTRA_TUNE_RECIP_SQRT.
10397 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
10399 * config/aarch64/aarch64.c (use_rsqrt_p): Always use software
10400 reciprocal sqrt for -mlow-precision-recip-sqrt.
10402 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
10403 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
10405 * config/aarch64/aarch64.c (aarch64_expand_vector_init): Refactor,
10406 always use lane loads to construct non-constant vectors.
10408 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
10410 * config/aarch64/aarch64.md
10411 (arch64_sqrdml<SQRDMLH_AS:rdma_as>h_lane<mode>): Fix register
10412 constraints for operand 3.
10413 (aarch64_sqrdml<SQRDMLH_AS:rdma_as>h_laneq<mode>): Likewise.
10415 2016-02-16 Jakub Jelinek <jakub@redhat.com>
10416 Richard Biener <rguenther@suse.de>
10418 PR tree-optimization/69820
10419 * tree-vect-patterns.c (type_conversion_p): Return false if
10420 *orig_type is unsigned single precision or boolean.
10421 (vect_recog_dot_prod_pattern, vect_recog_widen_mult_pattern):
10424 2016-02-16 Jakub Jelinek <jakub@redhat.com>
10426 PR rtl-optimization/69764
10427 PR rtl-optimization/69771
10428 * optabs.c (expand_binop): Ensure for shift optabs invalid CONST_INT
10429 op1 is valid for GET_MODE_INNER (mode) and force it into a reg.
10431 2016-02-16 Richard Biener <rguenther@suse.de>
10433 PR tree-optimization/69776
10434 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Get alias
10436 (indirect_refs_may_alias_p): Likewise.
10437 (refs_may_alias_p_1): Pass alias sets as from ao_ref.
10438 * tree-ssa-sccvn.c (vn_reference_lookup): Also adjust vr alias-set
10439 according to tbaa_p.
10440 * tree-ssa-dom.c (lookup_avail_expr): Add tbaa_p flag.
10441 (optimize_stmt): For redundant store discovery do not allow tbaa.
10443 2016-02-16 Bernd Schmidt <bschmidt@redhat.com>
10445 PR tree-optimization/69714
10446 * tree-ssa-math-opts.c (find_bswap_or_nop): Revert previous change.
10447 Return NULL if we have irrelevant high bytes on BIG_ENDIAN.
10449 2016-02-16 Claudiu Zissulescu <claziss@synopsys.com>
10451 * config/arc/arc-modes.def (CC_FPU, CC_FPU_UNEQ): New modes.
10452 * config/arc/arc-opts.h (FPU_SP, FPU_SF, FPU_SC, FPU_SD, FPU_DP)
10453 (FPU_DF, FPU_DC, FPU_DD, FXP_DP): Define.
10454 * config/arc/arc.c (arc_init): Check FPU options.
10455 (get_arc_condition_code): Handle new CC_FPU* modes.
10456 (arc_select_cc_mode): Likewise.
10457 (arc_conditional_register_usage): Allow 64 bit datum into even-odd
10458 register pair only. Allow access for ARCv2 accumulator.
10459 (gen_compare_reg): Whenever we have FPU support use FPU compare
10461 (arc_reorg): Don't generate brcc insns when FPU compare
10462 instructions are involved.
10463 * config/arc/arc.h (TARGET_DPFP): Add TARGET_FP_DPAX condition.
10464 (TARGET_OPTFPE): Add condition when ARC EM can use optimized
10465 floating point emulation.
10466 (ACC_REG_FIRST, ACC_REG_LAST, ACCL_REGNO, ACCH_REGNO): Define.
10467 (REVERSE_CONDITION): Add new CC_FPU* modes.
10468 (TARGET_FP_SP_BASE): Define.
10469 (TARGET_FP_DP_BASE): Likewise.
10470 (TARGET_FP_SP_FUSED): Likewise.
10471 (TARGET_FP_DP_FUSED): Likewise.
10472 (TARGET_FP_SP_CONV): Likewise.
10473 (TARGET_FP_DP_CONV): Likewise.
10474 (TARGET_FP_SP_SQRT): Likewise.
10475 (TARGET_FP_DP_SQRT): Likewise.
10476 (TARGET_FP_DP_AX): Likewise.
10477 * config/arc/arc.md (ARCV2_ACC): New constant.
10478 (type): New fpu type attribute.
10479 (SDF): Conditional iterator.
10480 (cstore<mode>, cbranch<mode>): Change expand condition.
10481 (addsf3, subsf3, mulsf3, adddf3, subdf3, muldf3): New expands,
10482 handles FPU/FPX cases as well.
10483 * config/arc/arc.opt (mfpu): New option.
10484 * config/arc/fpx.md (addsf3_fpx, subsf3_fpx, mulsf3_fpx):
10486 (adddf3, muldf3, subdf3): Removed.
10487 * config/arc/predicates.md (proper_comparison_operator): Recognize
10489 * config/arc/fpu.md: New file.
10490 * doc/invoke.texi (ARC Options): Document mfpu option.
10492 2016-02-16 Richard Biener <rguenther@suse.de>
10494 PR rtl-optimization/69291
10495 * ifcvt.c (noce_try_store_flag_constants): Re-instantiate
10496 noce_operand_ok check.
10498 2016-02-16 Tom de Vries <tom@codesourcery.com>
10501 * omp-low.c (simd_clone_create): Remove call to
10502 symtab->call_cgraph_insertion_hooks.
10504 2016-02-16 Jakub Jelinek <jakub@redhat.com>
10506 PR tree-optimization/69802
10507 * tree-ssa-reassoc.c (update_range_test): If op is
10508 SSA_NAME_IS_DEFAULT_DEF, give up unless tem is a positive
10509 op == 1 test of precision 1 integral op, otherwise handle
10510 that case as op itself. Fix up formatting.
10511 (optimize_range_tests_to_bit_test, optimize_range_tests): Fix
10514 2016-02-16 Richard Biener <rguenther@suse.de>
10516 PR tree-optimization/69586
10517 * tree-vrp.c (register_edge_assert_for_2): Handle all integral
10518 types for conversion sources.
10520 2016-02-16 Richard Biener <rguenther@suse.de>
10522 PR middle-end/69801
10523 * fold-const.c (operand_equal_p): For COND_EXPR zero operand
10524 mask OEP_ADDRESS_OF.
10526 2016-02-16 Alan Modra <amodra@gmail.com>
10529 * config/rs6000/rs6000.md (reload_vsx_from_gprsf): Rewrite splitter.
10530 (p8_mtvsrd_df, p8_mtvsrd_sf): New.
10531 (p8_mtvsrd_1, p8_mtvsrd_2): Delete.
10533 (p8_mtvsrwz_1, p8_mtvsrwz_2): Delete.
10534 (p8_xxpermdi_<mode>): Take two DF inputs rather than one TF.
10535 (p8_fmrgow_<mode>): Likewise.
10536 (reload_vsx_from_gpr<mode>): Make clobber IF. Adjust for above
10538 (reload_fpr_from_gpr<mode>): Similarly. Use "d" for op0 constraint.
10539 (reload_vsx_from_gprsf): Use p8_mtvsrd_sf rather than attempting
10540 to use movdi_internal64. Remove op0_di.
10541 * config/rs6000/vsx.md (vsx_xscvspdpn_directmove): Make op1 SFmode.
10543 2016-02-15 Evandro Menezes <e.menezes@samsung.com>
10545 Add support for the FCCMP insn types
10547 * config/aarch64/aarch64.md (fccmp): Change insn type.
10548 (fccmpe): Likewise.
10549 * config/aarch64/thunderx.md (thunderx_fcmp): Add "fccmp{s,d}" types.
10550 * config/arm/cortex-a53.md (cortex_a53_fpalu): Likewise.
10551 * config/arm/cortex-a57.md (cortex_a57_fp_cmp): Likewise.
10552 * config/arm/xgene1.md (xgene1_fcmp): Likewise.
10553 * config/arm/exynos-m1.md (exynos_m1_fp_ccmp): New insn reservation.
10554 * config/arm/types.md (fccmps): Add new insn type.
10555 (fccmpd): Likewise.
10557 2016-02-15 Bernd Edlinger <bernd.edlinger@hotmail.de>
10559 * alias.c (get_alias_set): Fix a typo in comment.
10561 2016-02-15 Richard Biener <rguenther@suse.de>
10563 PR tree-optimization/69595
10564 * match.pd: Complete range test simplification to true.
10566 2016-02-15 Bernd Schmidt <bschmidt@redhat.com>
10568 PR rtl-optimization/69648
10569 * lra-constraints.c (update_ebb_live_info): Don't remove sets of
10570 pic_offset_table_rtx.
10572 PR rtl-optimization/69752
10573 * ira.c (update_equiv_regs): When looking for more than a single SET,
10574 also take other side effects into account.
10576 2016-02-15 Marcin Kościelnicki <koriakin@0x04.net>
10578 * config/s390/s390.c (s390_function_profiler): Add a new sequence
10579 for z900+ CPUs in 31-bit mode.
10581 2016-02-15 Marcin Kościelnicki <koriakin@0x04.net>
10583 * common/config/s390/s390-common.c (s390_supports_split_stack):
10585 (TARGET_SUPPORTS_SPLIT_STACK): New macro.
10586 * config/s390/s390-protos.h: Add s390_expand_split_stack_prologue.
10587 * config/s390/s390.c (struct machine_function): New field
10588 split_stack_varargs_pointer.
10589 (s390_register_info): Mark r12 as clobbered if it'll be used as temp
10590 in s390_emit_prologue.
10591 (s390_emit_prologue): Use r12 as temp if r1 is taken by split-stack
10593 (morestack_ref): New global.
10594 (SPLIT_STACK_AVAILABLE): New macro.
10595 (s390_expand_split_stack_prologue): New function.
10596 (s390_live_on_entry): New function.
10597 (s390_va_start): Use split-stack vararg pointer if appropriate.
10598 (s390_asm_file_end): Emit the split-stack note sections.
10599 (TARGET_EXTRA_LIVE_ON_ENTRY): New macro.
10600 * config/s390/s390.md (UNSPEC_STACK_CHECK): New unspec.
10601 (UNSPECV_SPLIT_STACK_CALL): New unspec.
10602 (UNSPECV_SPLIT_STACK_DATA): New unspec.
10603 (split_stack_prologue): New expand.
10604 (split_stack_space_check): New expand.
10605 (split_stack_data): New insn.
10606 (split_stack_call): New expand.
10607 (split_stack_call_*): New insn.
10608 (split_stack_cond_call): New expand.
10609 (split_stack_cond_call_*): New insn.
10611 2016-02-15 Richard Biener <rguenther@suse.de>
10613 PR tree-optimization/69783
10614 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
10615 Add trivially correct cases.
10617 2016-02-15 Tom de Vries <tom@codesourcery.com>
10620 * lto-cgraph.c (input_offload_tables): Add and handle bool parameter
10622 * lto-streamer.h (input_offload_tables): Add and handle bool parameter.
10624 2016-02-15 Richard Biener <rguenther@suse.de>
10626 PR tree-optimization/69776
10627 * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
10628 * tree-ssa-sccvn.c (vn_reference_lookup): Add parameter to
10629 indicate whether we can use TBAA to disambiguate against stores.
10630 Use alias-set zero if not.
10631 (visit_reference_op_store): Do not use TBAA when looking up
10633 * tree-ssa-pre.c (compute_avail): Use TBAA here.
10634 (eliminate_dom_walker::before_dom_children): But not when looking
10635 up redundant stores.
10637 2016-02-14 John David Anglin <danglin@gcc.gnu.org>
10639 * config/pa/pa.md (absqi2, absghi2, bswaphi2, bswapsi2, bswapdi2): New.
10641 2016-02-14 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
10643 * config/i386/znver1.md
10644 (znver1_pop, znver1_pop_mem,
10645 znver1_load_imov_double_store,
10646 znver1_load_imov_direct_store,
10647 znver1_load_imov_direct_load,
10648 znver1_load_imov_double_load): Add new.
10649 (znver1_insn, znver1_insn_load): Add icmov type.
10650 (znver1_sseavx_fma,
10651 znver1_sseavx_fma_load,
10653 znver1_avx256_fma_load): Fix pipe usage.
10655 2016-02-14 Alan Modra <amodra@gmail.com>
10658 * reloads.c (find_reloads_address_1): For pre/post-inc/dec
10659 with an invalid hard reg, reload just the reg not the entire
10660 pre/post-inc/dec address expression.
10662 2016-02-13 Oleg Endo <olegendo@gcc.gnu.org>
10665 * config/sh/sh.md (sibcall_value_pcrel): Replace =&k scratch reg with
10666 fixed R1_REG scratch reg.
10667 (sibcall_value_pcrel_fdpic): Likewise.
10669 2016-02-13 Oleg Endo <olegendo@gcc.gnu.org>
10673 * config/sh/sh.md (*zero_extract_3): New insn_and_split pattern.
10675 2016-02-12 Walter Lee <walt@tilera.com>
10677 * config/tilepro/t-tilepro: Replace CC_FOR_BUILD with CXX_FOR_BUILD.
10678 * config/tilegx/t-tilegx: Likewise.
10680 2016-02-12 David Malcolm <dmalcolm@redhat.com>
10683 * diagnostic-show-locus.c (struct line_span): New struct.
10684 (layout::get_first_line): Delete.
10685 (layout::get_last_line): Delete.
10686 (layout::get_num_line_spans): New member function.
10687 (layout::get_line_span): Likewise.
10688 (layout::print_heading_for_line_span_index_p): Likewise.
10689 (layout::get_expanded_location): Likewise.
10690 (layout::calculate_line_spans): Likewise.
10691 (layout::m_first_line): Delete.
10692 (layout::m_last_line): Delete.
10693 (layout::m_line_spans): New field.
10694 (layout::layout): Update comment. Replace m_first_line and
10695 m_last_line with m_line_spans, replacing their initialization
10696 with a call to calculate_line_spans.
10697 (diagnostic_show_locus): When printing source lines and
10698 annotations, rather than looping over a single span
10699 of lines, instead loop over each line_span within
10700 the layout, with an inner loop over the lines within them.
10701 Call the context's start_span callback when changing line spans.
10702 * diagnostic.c (diagnostic_initialize): Initialize start_span.
10703 (diagnostic_build_prefix): Break out the building of the location
10704 part of the string into...
10705 (diagnostic_get_location_text): ...this new function, rewriting
10706 it from nested ternary expressions to a sequence of "if"
10708 (default_diagnostic_start_span_fn): New function.
10709 * diagnostic.h (diagnostic_start_span_fn): New typedef.
10710 (diagnostic_context::start_span): New field.
10711 (default_diagnostic_start_span_fn): New prototype.
10713 2016-02-12 David Malcolm <dmalcolm@redhat.com>
10716 * gcc.c (driver::finalize): Fix cleanup of "specs".
10718 2016-02-12 David Malcolm <dmalcolm@redhat.com>
10722 * gcc.c (driver::driver): Initialize m_option_suggestions.
10723 (driver::~driver): Clean up m_option_suggestions.
10724 (suggest_option): Convert to...
10725 (driver::suggest_option): ...this, and split out into
10726 driver::build_option_suggestions and find_closest_string.
10727 (driver::build_option_suggestions): New function, from
10728 first half of suggest_option. Special-case
10729 OPT_fsanitize_ and OPT_fsanitize_recover_, making use of
10730 the sanitizer_opts array. For options of enum types, add the
10731 various enum values to the candidate strings.
10732 (driver::handle_unrecognized_options): Remove "const".
10733 * gcc.h (driver::handle_unrecognized_options): Likewise.
10734 (driver::build_option_suggestions): New decl.
10735 (driver::suggest_option): New decl.
10736 (driver::m_option_suggestions): New field.
10737 * opts-common.c (add_misspelling_candidates): New function.
10738 * opts.c (sanitizer_opts): Remove decl of struct sanitizer_opts_s
10739 and make non-static.
10740 * opts.h (sanitizer_opts): New array decl.
10741 (add_misspelling_candidates): New function decl.
10742 * spellcheck.c (find_closest_string): New function.
10743 * spellcheck.h (find_closest_string): New function decl.
10745 2016-02-12 Jakub Jelinek <jakub@redhat.com>
10747 PR rtl-optimization/69764
10748 PR rtl-optimization/69771
10749 * optabs.c (expand_binop_directly): For shift_optab_p, force
10750 convert_modes with VOIDmode if xop1 has VOIDmode.
10752 2016-02-12 Ilya Enkovich <enkovich.gnu@gmail.com>
10755 * lto-streamer-out.c (lto_output): Use thunk.add_pointer_bounds_args
10756 to correctly determine instrumentation thunks.
10758 2016-02-12 Jakub Jelinek <jakub@redhat.com>
10761 * ipa-split.c (split_function): If split part returns TREE_ADDRESSABLE
10762 type by reference, force lhs on the call.
10765 * ipa-split.c (split_function): Don't compute/use main_part_return_p.
10766 Compute retval and retbnd early in all cases if split_part_return_p
10767 and return_bb is not EXIT. Remove all clobber stmts and reset
10768 all debug stmts that refer to SSA_NAMEs defined in split part,
10769 except if it is retval, in that case replace the old retval with the
10770 lhs of the call to the split part.
10772 2016-02-12 Kugan Vivekanandarajah <kuganv@linaro.org>
10775 2016-02-12 Kugan Vivekanandarajah <kuganv@linaro.org>
10777 PR middle-end/66726
10778 * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
10779 whose result is used in PHI.
10780 (maybe_optimize_range_tests): Likewise.
10781 (final_range_test_p): Likweise.
10783 2016-02-12 Kugan Vivekanandarajah <kuganv@linaro.org>
10785 PR middle-end/66726
10786 * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
10787 whose result is used in PHI.
10788 (maybe_optimize_range_tests): Likewise.
10789 (final_range_test_p): Likweise.
10791 2016-02-12 Jakub Jelinek <jakub@redhat.com>
10793 * cgraph.c: Spelling fixes - behaviour -> behavior and
10794 neighbour -> neighbor.
10795 * target.def: Likewise.
10796 * sel-sched.c: Likewise.
10797 * config/mips/mips.c: Likewise.
10798 * config/arc/arc.md: Likewise.
10799 * config/arm/cortex-a57.md: Likewise.
10800 * config/arm/arm.c: Likewise.
10801 * config/arm/neon.md: Likewise.
10802 * config/arm/arm-c.c: Likewise.
10803 * config/vms/vms-c.c: Likewise.
10804 * config/s390/s390.c: Likewise.
10805 * config/i386/znver1.md: Likewise.
10806 * config/i386/i386.c: Likewise.
10807 * config/ia64/hpux-unix2003.h: Likewise.
10808 * config/msp430/msp430.md: Likewise.
10809 * config/rx/rx.c: Likewise.
10810 * config/rx/rx.md: Likewise.
10811 * config/aarch64/aarch64-simd.md: Likewise.
10812 * config/aarch64/aarch64.c: Likewise.
10813 * config/nvptx/nvptx.c: Likewise.
10814 * config/bfin/bfin.c: Likewise.
10815 * config/cris/cris.opt: Likewise.
10816 * config/rs6000/rs6000.c: Likewise.
10817 * target.h: Likewise.
10818 * spellcheck.c: Likewise.
10819 * ira-build.c: Likewise.
10820 * tree-inline.c: Likewise.
10821 * builtins.c: Likewise.
10822 * lra-constraints.c: Likewise.
10823 * explow.c: Likewise.
10824 * hwint.h: Likewise.
10825 * targhooks.c: Likewise.
10826 * tree-vect-data-refs.c: Likewise.
10827 * expr.c: Likewise.
10828 * doc/tm.texi: Likewise.
10829 * doc/extend.texi: Likewise.
10830 * doc/install.texi: Likewise.
10831 * doc/md.texi: Likewise.
10832 * tree-ssa-tail-merge.c: Likewise.
10833 * sched-int.h: Likewise.
10834 * match.pd: Likewise.
10835 * sched-ebb.c: Likewise.
10836 * target.def (omit_struct_return_reg): Likewise.
10837 * gimple-ssa-isolate-paths.c: Likewise.
10838 (find_implicit_erroneous_behaviour): Renamed to...
10839 (find_implicit_erroneous_behavior): ... this.
10840 (find_explicit_erroneous_behaviour): Renamed to...
10841 (find_explicit_erroneous_behavior): ... this.
10842 (gimple_ssa_isolate_erroneous_paths): Adjust caller.
10844 2016-02-11 Segher Boessenkool <segher@kernel.crashing.org>
10846 PR rtl-optimization/64682
10847 PR rtl-optimization/69567
10848 PR rtl-optimization/69737
10849 * combine.c (distribute_notes) <REG_DEAD>: If the register is set
10850 in I2 as well, just lose it.
10852 2016-02-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
10854 * config/aarch64/aarch64.c (aarch64_last_printed_arch_string):
10856 (aarch64_last_printed_tune_string): Likewise.
10857 (aarch64_declare_function_name): Only output .arch assembler
10858 directive if it will be different from the previously output
10859 directive. Same for .tune comment but only if -dA is set.
10860 (aarch64_start_file): New function.
10861 (TARGET_ASM_FILE_START): Define.
10863 2016-02-11 David Malcolm <dmalcolm@redhat.com>
10866 * Makefile.in (PLUGIN_HEADERS): Add params.list.
10868 2016-02-11 Jakub Jelinek <jakub@redhat.com>
10871 * tree-vect-slp.c (vect_schedule_slp_instance): Avoid
10872 -Wmaybe-uninitialized warning.
10874 2016-02-11 Oleg Endo <olegendo@gcc.gnu.org>
10877 * config/sh/sh.md (casesi_worker_0): Add T_REG use.
10879 2016-02-11 Richard Biener <rguenther@suse.de>
10881 PR rtl-optimization/69291
10882 * ifcvt.c (noce_try_store_flag_constants): Do not allow
10883 subexpressions affected by changing the result.
10885 2016-02-10 Vladimir Makarov <vmakarov@redhat.com>
10888 * lra-constraints.c (curr_insn_transform): Find in/out operands
10889 for secondary memory moves. Update dups.
10891 2016-02-10 Yuri Rumyantsev <ysrumyan@gmail.com>
10893 PR tree-optimization/69652
10894 * tree-vect-loop.c (optimize_mask_stores): Move declaration of STMT1
10895 to nested loop, did source re-formatting, skip debug statements,
10896 add check on statement with volatile operand, remove dead scalar
10899 2016-02-10 Jakub Jelinek <jakub@redhat.com>
10900 Patrick Palka <ppalka@gcc.gnu.org>
10904 * gimplify.c (gimplify_modify_expr): Set lhs even for noreturn
10905 calls if the return type is TREE_ADDRESSABLE.
10906 * cgraphunit.c (cgraph_node::expand_thunk): Likewise.
10907 * ipa-split.c (split_function): Fix doubled "we" in comment.
10908 Use void return type for the split part even if
10909 !split_point->split_part_set_retval.
10911 2016-02-10 Bin Cheng <bin.cheng@arm.com>
10913 PR tree-optimization/68021
10914 * tree-ssa-loop-ivopts.c (get_computation_aff): Set ratio to 1 if
10915 when computing the value of biv cand by itself.
10917 2016-02-10 Wilco Dijkstra <wdijkstr@arm.com>
10919 * config/aarch64/aarch64.c (cortexa53_tunings): Enable AES fusion.
10920 (cortexa57_tunings): Likewise.
10921 (cortexa72_tunings): Likewise.
10922 (arch_macro_fusion_pair_p): Add support for AES fusion.
10923 * config/aarch64/aarch64-fusion-pairs.def: Add AES_AESMC entry.
10924 * config/arm/aarch-common.c (aarch_crypto_can_dual_issue):
10925 Allow virtual registers before reload so early scheduling works.
10926 * config/arm/cortex-a57.md (cortex_a57_crypto_simple): Use
10927 correct latency and pipeline.
10928 (cortex_a57_crypto_complex): Likewise.
10929 (cortex_a57_crypto_xor): Likewise.
10930 (define_bypass): Add AES bypass.
10932 2016-02-10 Richard Biener <rguenther@suse.de>
10934 PR tree-optimization/69726
10935 * passes.def: Add DCE pass before late uninit.
10936 * match.pd: Add A ? B : (!A ? C : X) -> A ? B : C patterns to
10937 really fixup if-conversions job.
10939 2016-02-10 Wilco Dijkstra <wdijkstr@arm.com>
10941 * config/arm/arm.c (arm_cortex_a53_tune): Enable AES fusion.
10942 (arm_cortex_a57_tune): Likewise.
10943 (aarch_macro_fusion_pair_p): Add support for AES fusion.
10944 * config/arm/arm-protos.h (fuse_ops): Add FUSE_AES_AESMC.
10946 2016-02-10 Eric Botcazou <ebotcazou@adacore.com>
10948 * timevar.def (TV_PHASE_DBGINFO): Delete.
10949 (TV_PHASE_CHECK_DBGINFO): Likewise.
10950 * varpool.c (varpool_node::assemble_decl): Do not change timevar.
10952 2016-02-10 Richard Biener <rguenther@suse.de>
10954 PR tree-optimization/69719
10955 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
10956 Adjust previous fix by ensuring that dr_a1 is left of dr_a2.
10958 2016-02-09 Andrew Pinski <apinski@cavium.com>
10961 * optabs-tree.c (expand_vec_cond_expr_p): Don't early return if
10962 get_vcond_mask_icode returns false.
10964 2016-02-09 Michael Meissner <meissner@linux.vnet.ibm.com>
10967 * config/rs6000/predicates.md (fusion_gpr_addis): Prevent fusing
10968 an ADDIS that adds a pointer to a large constant that sets the
10969 upper16 bits with a load operation.
10971 2016-02-09 Charles Baylis <charles.baylis@linaro.org>
10974 * config/arm/arm.c (arm_evpc_neon_vzip): Allow for big endian lane
10976 * config/arm/arm_neon.h (vzipq_s8): Adjust shuffle patterns for big
10978 (vzipq_s16): Likewise.
10979 (vzipq_s32): Likewise.
10980 (vzipq_f32): Likewise.
10981 (vzipq_u8): Likewise.
10982 (vzipq_u16): Likewise.
10983 (vzipq_u32): Likewise.
10984 (vzipq_p8): Likewise.
10985 (vzipq_p16): Likewise.
10987 2016-02-09 Charles Baylis <charles.baylis@linaro.org>
10990 * config/arm/arm.c (neon_endian_lane_map): New function.
10991 (neon_vector_pair_endian_lane_map): New function.
10992 (arm_evpc_neon_vuzp): Allow for big endian lane order.
10993 * config/arm/arm_neon.h (vuzpq_s8): Adjust shuffle patterns for big
10995 (vuzpq_s16): Likewise.
10996 (vuzpq_s32): Likewise.
10997 (vuzpq_f32): Likewise.
10998 (vuzpq_u8): Likewise.
10999 (vuzpq_u16): Likewise.
11000 (vuzpq_u32): Likewise.
11001 (vuzpq_p8): Likewise.
11002 (vuzpq_p16): Likewise.
11004 2016-02-11 Alexandre Oliva <aoliva@redhat.com>
11007 * regstat.c (regstat_bb_compute_calls_crossed): Disregard
11010 2016-02-09 Uros Bizjak <ubizjak@gmail.com>
11012 * config/i386/i386.md (insv<mode>_1): Use gen_int_mode to
11013 truncate const_int operand 1 to QImode.
11015 2016-02-09 Eric Botcazou <ebotcazou@adacore.com>
11017 * gimple-ssa-backprop.c (optimize_phi): Do not replace an argument
11018 corresponding to an abnormal edge.
11020 2016-02-09 Tom de Vries <tom@codesourcery.com>
11022 PR tree-optimization/69599
11023 * tree-ssa-structalias.c (fndecl_maybe_in_other_partition): New
11025 (find_func_aliases_for_builtin_call, find_func_clobbers)
11026 (ipa_pta_execute): Handle case that foo and foo._0 are not in same lto
11029 2016-02-09 Richard Biener <rguenther@suse.de>
11031 PR tree-optimization/69715
11032 * tree-ssa.c (execute_update_addresses_taken): Mark non-decl
11033 LHS on calls as non-rewritable.
11035 2016-02-09 Tom de Vries <tom@codesourcery.com>
11038 * lto-wrapper.c (append_diag_options): New function.
11039 (compile_offload_image): Call append_diag_options.
11041 2016-02-08 Sandra Loosemore <sandra@codesourcery.com>
11044 * doc/extend.texi (Flag Output Operands): Correct sectioning.
11045 Minor copy-edit to fix verb tenses.
11047 2016-02-08 Jakub Jelinek <jakub@redhat.com>
11049 PR tree-optimization/69209
11050 * ipa-split.c (split_function): If split part is not
11051 returning retval, retval has gimple type but is not
11052 gimple value, force it into a SSA_NAME first.
11054 2016-02-08 Nicklas Bo Jensen <nbjensen@gmail.com>
11056 * doc/tree-ssa.texi (Preserving the virtual SSA form): Remove
11059 2016-02-08 Jason Merrill <jason@redhat.com>
11062 * convert.c (convert_to_integer_1): Check dofold on truncation
11064 (convert_to_pointer_maybe_fold, convert_to_real_maybe_fold)
11065 (convert_to_integer_maybe_fold, convert_to_complex_maybe_fold):
11066 Rename from *_nofold.
11067 * convert.h (convert_to_pointer_nofold, convert_to_integer_nofold)
11068 (convert_to_real_nofold, convert_to_complex_nofold): New inlines.
11070 2016-02-08 Bernd Schmidt <bschmidt@redhat.com>
11073 * tree.c (build_common_tree_nodes): Remove short_double argument.
11074 All callers changed.
11075 * tree.h (build_common_tree_nodes): Adjust declaration.
11076 * doc/invoke.texi (-fshort-double): Remove documentation.
11077 * config/mips/t-img-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
11078 MULTILIB_EXCEPTIONS): Remove -fshort-double variant.
11079 * lto-wrapper.c (merge_and_complain, append_compiler_options)
11080 (append_linker_options): Don't handle OPT_fshort_double.
11082 PR rtl-optimization/68730
11083 * lra-remat.c (insn_to_cand_activation): New static variable.
11084 (lra_remat): Allocate and free it.
11085 (create_cand): New arg activation. Initialize a field in
11086 insn_to_cand_activation if it is nonnull.
11087 (create_cands): Pass the activation insn to create_cand when making
11088 a candidate involving an output reload. Reorganize code a little.
11089 (do_remat): Keep track of active status of candidates in a separate
11092 2016-02-08 Richard Biener <rguenther@suse.de>
11094 PR tree-optimization/69719
11095 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
11096 Properly use absolute of the difference of the two offsets to
11097 compare or adjust the segment length.
11099 2016-02-08 Richard Biener <rguenther@suse.de>
11100 Jeff Law <law@redhat.com>
11103 * tree-ssanames.c (make_ssa_name_fn): Always use unqualified
11104 types for anonymous SSA names.
11106 2016-02-08 Richard Biener <rguenther@suse.de>
11108 PR rtl-optimization/69274
11109 * ira.c (ira_setup_alts): Do not change recog_data.operand order.
11111 2016-02-08 Jeff Law <law@redhat.com>
11113 PR tree-optimization/65917
11114 * tree-ssa-dom.c (record_temporary_equivalences): Record both
11115 equivalences from if (x == y) style conditionals.
11116 (loop_depth_of_name): Remove.
11117 (record_equality): Remove loop depth check.
11118 * tree-ssa-scopedtables.h (const_and_copies): Refine comments.
11119 (const_and_copies::record_const_or_copy_raw): New member function.
11120 * tree-ssa-scopedtables.c
11121 (const_and_copies::record_const_or_copy_raw): New, factored out of
11122 (const_and_copies::record_const_or_copy): Call new member function.
11124 2016-02-05 Jeff Law <law@redhat.com>
11126 PR tree-optimization/68541
11127 * gimple-ssa-split-paths.c: Include tree-cfg.h and params.h.
11128 (count_stmts_in_block): New function.
11129 (poor_ifcvt_candidate_code): Likewise.
11130 (is_feasible_trace): Add some heuristics to determine when path
11131 splitting is profitable.
11132 (find_block_to_duplicate_for_splitting_paths): Make sure the graph
11133 is a diamond with a single exit.
11135 2016-02-05 Martin Sebor <msebor@redhat.com>
11138 * doc/invoke.texi: Update -Wplacement-new to take an optional
11141 2016-02-06 Richard Henderson <rth@redhat.com>
11144 * tree.c (tree_nop_conversion_p): Do not strip casts into or
11145 out of non-standard address spaces.
11147 2016-02-05 Jakub Jelinek <jakub@redhat.com>
11149 PR rtl-optimization/69691
11150 * lra-eliminations.c (move_plus_up): Don't add the addend twice.
11152 2016-02-05 Pat Haugen <pthaugen@us.ibm.com>
11154 * config/rs6000/crypto.md (crypto_vpermxor_<mode>): Correct insn type.
11155 * config/rs6000/rs6000.md (mov<mode>_hardfloat): Likewise.
11156 (*ieee128_mfvsrd_64bit): Likewise.
11157 (*ieee128_mfvsrd_32bit): Likewise.
11159 2016-02-05 Ilya Enkovich <enkovich.gnu@gmail.com>
11163 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
11165 * cgraphunit.c (cgraph_node::reset): Clear thunk info and
11166 instrumented_version.
11168 2016-01-05 Jeremy Bennett <jeremy.bennett@embecosm.com>
11170 * doc/invoke.texi (Optimize Options): In table of --param options
11171 rename second occurrence of tracer-min-branch-ratio to
11172 tracer-min-branch-probability, rename
11173 tracer-min-branch-ratio-feedback to
11174 tracer-min-branch-probability-feedback and clarify description,
11175 rename sched-spec-state-edge-prob-cutoff to
11176 sched-state-edge-prob-cutoff, rename selsched-max-insns-to-rename
11177 to selsched-insns-to-rename, rename lto-minpartition to
11178 lto-min-partition, delete reorder-blocks-duplicate and
11179 reorder-blocks-duplicate-feedback.
11181 2016-02-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
11183 * config/s390/s390.c (s390_register_info_set_ranges): Remove
11186 2016-02-05 Dominik Vogt <vogt@linux.vnet.ibm.com>
11188 * doc/extend.texi: S/390: Correct some typos.
11190 2016-02-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
11192 * config/s390/s390.c (s390_emit_call): Add missing 64 bit check.
11194 2016-02-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
11197 * config/s390/s390.c (SAVE_SLOT_NONE, SAVE_SLOT_STACK): New defines.
11198 (s390_register_info_gprtofpr): Use new macros above.
11199 (s390_register_info_stdarg_fpr): Adjust max_fpr to better match
11201 (s390_register_info_stdarg_gpr): Adjust max_gpr to better match
11202 its name. Adjust restore and save gpr ranges.
11203 (s390_register_info_set_ranges): New function.
11204 (s390_register_info): Use new macros above. Call
11205 s390_register_info_set_ranges.
11206 (s390_optimize_register_info): Likewise.
11207 (s390_hard_regno_rename_ok): Use new macros.
11208 (s390_hard_regno_scratch_ok): Likewise.
11209 (s390_emit_epilogue): Likewise.
11210 (s390_can_use_return_insn): Likewise.
11211 (s390_optimize_prologue): Likewise.
11212 * config/s390/s390.md (GPR2_REGNUM, GPR6_REGNUM): New constants.
11214 2016-02-05 Jakub Jelinek <jakub@redhat.com>
11217 * config/i386/i386.c (convert_scalars_to_vector): Readd stack
11219 (ix86_option_override_internal): Disable TARGET_STV even for
11220 -m{incoming,preferred}-stack-boundary=3.
11222 2016-02-03 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
11224 * config.gcc: Mark deprecated rtems targets as obsolete.
11226 2016-02-04 Segher Boessenkool <segher@kernel.crashing.org>
11228 PR rtl-optimization/64682
11229 PR rtl-optimization/69567
11230 * combine.c (distribute_notes) <REG_DEAD>: Place the death note
11231 before I2 only if the register is both used and set in I2.
11233 2016-02-04 DJ Delorie <dj@redhat.com>
11235 * config/msp430/msp430.c (msp430_start_function): Add function type.
11237 2016-02-04 Jakub Jelinek <jakub@redhat.com>
11240 * tree-dfa.c (get_ref_base_and_extent): Remove unreachable code.
11242 2016-02-04 Uros Bizjak <ubizjak@gmail.com>
11244 PR rtl-optimization/69577
11246 2015-10-29 Richard Henderson <rth@redhat.com>
11250 * config/i386/i386.c (ix86_cannot_change_mode_class): Tighten
11251 sse check to the exact conditions of PR 67609.
11253 2016-02-04 Michael Meissner <meissner@linux.vnet.ibm.com>
11256 * config/rs6000/rs6000.md (mov<mode>_64bit_dm): Use 'd' constraint
11257 instead of 'ws', and 'wh' instead of 'wm' since TFmode/IFmode are
11258 not allowed into the traditional Altivec registers.
11259 (movtd_64bit_nodm): Likewise.
11260 (mov<mode>_32bit, FMOVE128_FPR iterator): Likewise.
11262 2016-02-04 David Malcolm <dmalcolm@redhat.com>
11264 * config/aarch64/cortex-a57-fma-steering.c
11265 (aarch64_register_fma_steering): Remove "static" from arguments
11268 2016-02-04 Wilco Dijkstra <wdijkstr@arm.com>
11271 * ccmp.c (expand_ccmp_expr_1): Avoid evaluating gs0/gs1
11272 twice when complex.
11274 2016-02-04 Mike Frysinger <vapier@gentoo.org>
11276 * doc/invoke.texi: Delete -mno-fma4.
11278 2016-02-04 Richard Sandiford <richard.sandiford@arm.com>
11280 PR rtl-optimization/69577
11281 * reginfo.c (record_subregs_of_mode): Add a partial_def parameter.
11282 (find_subregs_of_mode): Update accordingly. Iterate over partial
11285 2016-02-04 Alan Lawrence <alan.lawrence@arm.com>
11287 * config/arm/arm-protos.h (neon_reinterpret): Remove.
11288 * config/arm/arm.c (neon_reinterpret): Remove.
11289 * config/arm/arm_neon_builtins.def (vreinterpretv8qi, vreinterpretv4hi,
11290 vreinterpretv2si, vreinterpretv2sf, vreinterpretdi, vreinterpretv16qi,
11291 vreinterpretv8hi, vreinterpretv4si, vreinterpretv4sf, vreinterpretv2di,
11292 vreinterpretti): Remove.
11293 * config/arm/neon.md (neon_vreinterpretv8qi<mode>,
11294 neon_vreinterpretv4hi<mode>, neon_vreinterpretv2si<mode>,
11295 neon_vreinterpretv2sf<mode>, neon_vreinterpretdi<mode>,
11296 neon_vreinterpretti<mode>, neon_vreinterpretv16qi<mode>,
11297 neon_vreinterpretv8hi<mode>, neon_vreinterpretv4si<mode>,
11298 neon_vreinterpretv4sf<mode>, neon_vreinterpretv2di<mode>): Remove.
11299 * config/arm/arm_neon.h (vreinterpret_p8_p16, vreinterpret_p8_f32,
11300 vreinterpret_p8_p64, vreinterpret_p8_s64, vreinterpret_p8_u64,
11301 vreinterpret_p8_s8, vreinterpret_p8_s16, vreinterpret_p8_s32,
11302 vreinterpret_p8_u8, vreinterpret_p8_u16, vreinterpret_p8_u32,
11303 vreinterpret_p16_p8, vreinterpret_p16_f32, vreinterpret_p16_p64,
11304 vreinterpret_p16_s64, vreinterpret_p16_u64, vreinterpret_p16_s8,
11305 vreinterpret_p16_s16, vreinterpret_p16_s32, vreinterpret_p16_u8,
11306 vreinterpret_p16_u16, vreinterpret_p16_u32, vreinterpret_f32_p8,
11307 vreinterpret_f32_p16, vreinterpret_f32_p64, vreinterpret_f32_s64,
11308 vreinterpret_f32_u64, vreinterpret_f32_s8, vreinterpret_f32_s16,
11309 vreinterpret_f32_s32, vreinterpret_f32_u8, vreinterpret_f32_u16,
11310 vreinterpret_f32_u32, vreinterpret_p64_p8, vreinterpret_p64_p16,
11311 vreinterpret_p64_f32, vreinterpret_p64_s64, vreinterpret_p64_u64,
11312 vreinterpret_p64_s8, vreinterpret_p64_s16, vreinterpret_p64_s32,
11313 vreinterpret_p64_u8, vreinterpret_p64_u16, vreinterpret_p64_u32,
11314 vreinterpret_s64_p8, vreinterpret_s64_p16, vreinterpret_s64_f32,
11315 vreinterpret_s64_p64, vreinterpret_s64_u64, vreinterpret_s64_s8,
11316 vreinterpret_s64_s16, vreinterpret_s64_s32, vreinterpret_s64_u8,
11317 vreinterpret_s64_u16, vreinterpret_s64_u32, vreinterpret_u64_p8,
11318 vreinterpret_u64_p16, vreinterpret_u64_f32, vreinterpret_u64_p64,
11319 vreinterpret_u64_s64, vreinterpret_u64_s8, vreinterpret_u64_s16,
11320 vreinterpret_u64_s32, vreinterpret_u64_u8, vreinterpret_u64_u16,
11321 vreinterpret_u64_u32, vreinterpret_s8_p8, vreinterpret_s8_p16,
11322 vreinterpret_s8_f32, vreinterpret_s8_p64, vreinterpret_s8_s64,
11323 vreinterpret_s8_u64, vreinterpret_s8_s16, vreinterpret_s8_s32,
11324 vreinterpret_s8_u8, vreinterpret_s8_u16, vreinterpret_s8_u32,
11325 vreinterpret_s16_p8, vreinterpret_s16_p16, vreinterpret_s16_f32,
11326 vreinterpret_s16_p64, vreinterpret_s16_s64, vreinterpret_s16_u64,
11327 vreinterpret_s16_s8, vreinterpret_s16_s32, vreinterpret_s16_u8,
11328 vreinterpret_s16_u16, vreinterpret_s16_u32, vreinterpret_s32_p8,
11329 vreinterpret_s32_p16, vreinterpret_s32_f32, vreinterpret_s32_p64,
11330 vreinterpret_s32_s64, vreinterpret_s32_u64, vreinterpret_s32_s8,
11331 vreinterpret_s32_s16, vreinterpret_s32_u8, vreinterpret_s32_u16,
11332 vreinterpret_s32_u32, vreinterpret_u8_p8, vreinterpret_u8_p16,
11333 vreinterpret_u8_f32, vreinterpret_u8_p64, vreinterpret_u8_s64,
11334 vreinterpret_u8_u64, vreinterpret_u8_s8, vreinterpret_u8_s16,
11335 vreinterpret_u8_s32, vreinterpret_u8_u16, vreinterpret_u8_u32,
11336 vreinterpret_u16_p8, vreinterpret_u16_p16, vreinterpret_u16_f32,
11337 vreinterpret_u16_p64, vreinterpret_u16_s64, vreinterpret_u16_u64,
11338 vreinterpret_u16_s8, vreinterpret_u16_s16, vreinterpret_u16_s32,
11339 vreinterpret_u16_u8, vreinterpret_u16_u32, vreinterpret_u32_p8,
11340 vreinterpret_u32_p16, vreinterpret_u32_f32, vreinterpret_u32_p64,
11341 vreinterpret_u32_s64, vreinterpret_u32_u64, vreinterpret_u32_s8,
11342 vreinterpret_u32_s16, vreinterpret_u32_s32, vreinterpret_u32_u8,
11343 vreinterpret_u32_u16, vreinterpretq_p8_p16, vreinterpretq_p8_f32,
11344 vreinterpretq_p8_p64, vreinterpretq_p8_p128, vreinterpretq_p8_s64,
11345 vreinterpretq_p8_u64, vreinterpretq_p8_s8, vreinterpretq_p8_s16,
11346 vreinterpretq_p8_s32, vreinterpretq_p8_u8, vreinterpretq_p8_u16,
11347 vreinterpretq_p8_u32, vreinterpretq_p16_p8, vreinterpretq_p16_f32,
11348 vreinterpretq_p16_p64, vreinterpretq_p16_p128, vreinterpretq_p16_s64,
11349 vreinterpretq_p16_u64, vreinterpretq_p16_s8, vreinterpretq_p16_s16,
11350 vreinterpretq_p16_s32, vreinterpretq_p16_u8, vreinterpretq_p16_u16,
11351 vreinterpretq_p16_u32, vreinterpretq_f32_p8, vreinterpretq_f32_p16,
11352 vreinterpretq_f32_p64, vreinterpretq_f32_p128, vreinterpretq_f32_s64,
11353 vreinterpretq_f32_u64, vreinterpretq_f32_s8, vreinterpretq_f32_s16,
11354 vreinterpretq_f32_s32, vreinterpretq_f32_u8, vreinterpretq_f32_u16,
11355 vreinterpretq_f32_u32, vreinterpretq_p64_p8, vreinterpretq_p64_p16,
11356 vreinterpretq_p64_f32, vreinterpretq_p64_p128, vreinterpretq_p64_s64,
11357 vreinterpretq_p64_u64, vreinterpretq_p64_s8, vreinterpretq_p64_s16,
11358 vreinterpretq_p64_s32, vreinterpretq_p64_u8, vreinterpretq_p64_u16,
11359 vreinterpretq_p64_u32, vreinterpretq_p128_p8, vreinterpretq_p128_p16,
11360 vreinterpretq_p128_f32, vreinterpretq_p128_p64, vreinterpretq_p128_s64,
11361 vreinterpretq_p128_u64, vreinterpretq_p128_s8, vreinterpretq_p128_s16,
11362 vreinterpretq_p128_s32, vreinterpretq_p128_u8, vreinterpretq_p128_u16,
11363 vreinterpretq_p128_u32, vreinterpretq_s64_p8, vreinterpretq_s64_p16,
11364 vreinterpretq_s64_f32, vreinterpretq_s64_p64, vreinterpretq_s64_p128,
11365 vreinterpretq_s64_u64, vreinterpretq_s64_s8, vreinterpretq_s64_s16,
11366 vreinterpretq_s64_s32, vreinterpretq_s64_u8, vreinterpretq_s64_u16,
11367 vreinterpretq_s64_u32, vreinterpretq_u64_p8, vreinterpretq_u64_p16,
11368 vreinterpretq_u64_f32, vreinterpretq_u64_p64, vreinterpretq_u64_p128,
11369 vreinterpretq_u64_s64, vreinterpretq_u64_s8, vreinterpretq_u64_s16,
11370 vreinterpretq_u64_s32, vreinterpretq_u64_u8, vreinterpretq_u64_u16,
11371 vreinterpretq_u64_u32, vreinterpretq_s8_p8, vreinterpretq_s8_p16,
11372 vreinterpretq_s8_f32, vreinterpretq_s8_p64, vreinterpretq_s8_p128,
11373 vreinterpretq_s8_s64, vreinterpretq_s8_u64, vreinterpretq_s8_s16,
11374 vreinterpretq_s8_s32, vreinterpretq_s8_u8, vreinterpretq_s8_u16,
11375 vreinterpretq_s8_u32, vreinterpretq_s16_p8, vreinterpretq_s16_p16,
11376 vreinterpretq_s16_f32, vreinterpretq_s16_p64, vreinterpretq_s16_p128,
11377 vreinterpretq_s16_s64, vreinterpretq_s16_u64, vreinterpretq_s16_s8,
11378 vreinterpretq_s16_s32, vreinterpretq_s16_u8, vreinterpretq_s16_u16,
11379 vreinterpretq_s16_u32, vreinterpretq_s32_p8, vreinterpretq_s32_p16,
11380 vreinterpretq_s32_f16, vreinterpretq_s32_f32, vreinterpretq_s32_p64,
11381 vreinterpretq_s32_p128, vreinterpretq_s32_s64, vreinterpretq_s32_u64,
11382 vreinterpretq_s32_s8, vreinterpretq_s32_s16, vreinterpretq_s32_u8,
11383 vreinterpretq_s32_u16, vreinterpretq_s32_u32, vreinterpretq_u8_p8,
11384 vreinterpretq_u8_p16, vreinterpretq_u8_f32, vreinterpretq_u8_p64,
11385 vreinterpretq_u8_p128, vreinterpretq_u8_s64, vreinterpretq_u8_u64,
11386 vreinterpretq_u8_s8, vreinterpretq_u8_s16, vreinterpretq_u8_s32,
11387 vreinterpretq_u8_u16, vreinterpretq_u8_u32, vreinterpretq_u16_p8,
11388 vreinterpretq_u16_p16, vreinterpretq_u16_f32, vreinterpretq_u16_p64,
11389 vreinterpretq_u16_p128, vreinterpretq_u16_s64, vreinterpretq_u16_u64,
11390 vreinterpretq_u16_s8, vreinterpretq_u16_s16, vreinterpretq_u16_s32,
11391 vreinterpretq_u16_u8, vreinterpretq_u16_u32, vreinterpretq_u32_p8,
11392 vreinterpretq_u32_p16, vreinterpretq_u32_f32, vreinterpretq_u32_p64,
11393 vreinterpretq_u32_p128, vreinterpretq_u32_s64, vreinterpretq_u32_u64,
11394 vreinterpretq_u32_s8, vreinterpretq_u32_s16, vreinterpretq_u32_s32,
11395 vreinterpretq_u32_u8, vreinterpretq_u32_u16): Rewrite using casts.
11397 2016-02-04 Martin Liska <mliska@suse.cz>
11400 * asan.c (has_stmt_been_instrumented_p): Instrument gimple calls
11401 that are gimple_store_p.
11402 (maybe_instrument_call): Likewise.
11404 2016-02-04 Bin Cheng <bin.cheng@arm.com>
11406 * config/aarch64/aarch64.c (aarch64_legitimize_address): Force
11407 register scaling out of memory reference and comment why.
11409 2016-02-04 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
11413 * cse.c (cse_insn): Pass NULL to fold_rtx when initially
11414 folding the source of a SET.
11416 2016-02-04 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
11420 * config/arm/arm.c (arm_new_rtx_costs, MULT case): Properly extract
11421 the operands of the SIGN_EXTENDs from a SMUL[TB][TB] rtx.
11423 2016-02-04 Jim Wilson <jim.wilson@linaro.org>
11427 * config/arm/arm.h (PROMOTE_MODE): Don't set UNSIGNEDP for QImode and
11430 2016-02-04 Christian Bruel <christian.bruel@st.com>
11432 * config/arm/arm-c.c (arm_reset_previous_fndecl): Style fix and typo.
11433 * config/arm/arm.c (arm_set_current_function): Likewise.
11435 2016-02-04 Jakub Jelinek <jakub@redhat.com>
11436 Ilya Enkovich <enkovich.gnu@gmail.com>
11437 H.J. Lu <hongjiu.lu@intel.com>
11440 * config/i386/i386.c (convert_scalars_to_vector): Remove
11441 stack alignment fixes.
11442 (ix86_option_override_internal): Disable TARGET_STV if stack
11443 might not be aligned enough.
11444 (ix86_minimum_alignment): Assert that TARGET_STV is false.
11446 2016-02-04 Victoria Stepanyan <victoria.stepanyan@amd.com>
11448 * config/i386/x86-tune.def: Disable default prefetching
11451 2016-02-03 Michael Meissner <meissner@linux.vnet.ibm.com>
11452 Vladimir Makarov <vmakarov@redhat.com>
11455 * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Fix thinko
11456 in validating fused toc addresses.
11458 2016-02-03 Jakub Jelinek <jakub@redhat.com>
11461 * diagnostic-show-locus.c (layout::get_state_at_point): Don't read
11462 range->m_caret fields if range->m_show_caret_p is false.
11465 * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
11466 Force oldval into register if it does not satisfy reg_or_short_operand
11467 predicate. Fix up formatting.
11469 2016-02-03 Vladimir Makarov <vmakarov@redhat.com>
11470 Alexandre Oliva <aoliva@redhat.com>
11473 * lra-constraints.c (simplify_operand_subreg): Check additionally
11474 address validity after potential reloading.
11475 (process_address_1): Check insns validity. In case of failure do
11478 2016-02-03 Kirill Yukhin <kirill.yukhin@intel.com>
11481 * config/i386/sse.md (define_insn "avx512f_maskcmp<mode>3"):
11484 2016-02-02 Jakub Jelinek <jakub@redhat.com>
11486 * wide-int.cc (canonize_uhwi): New function.
11487 (wi::divmod_internal): Use it.
11489 2016-02-02 James Norris <jnorris@codesourcery.com
11491 * gimplify.c (omp_notice_variable): Add usage check.
11493 2016-02-02 Alexander Monakov <amonakov@ispras.ru>
11495 * config/nvptx/nvptx.c (nvptx_print_operand): Treat LEU, GEU, LTU, GTU
11496 like LE, GE, LT, GT when emitting relational operator.
11498 2016-02-02 Wilco Dijkstra <wdijkstr@arm.com>
11500 * ira-costs.c (find_costs_and_classes): Add extra argument.
11501 * target.def (ira_change_pseudo_allocno_class): Add parameter.
11502 * targhooks.h (ira_change_pseudo_allocno_class): Likewise.
11503 * targhooks.c (ira_change_pseudo_allocno_class): Likewise.
11504 * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class)
11505 Add best_class parameter, and return it if not ALL_REGS.
11506 * config/mips/mips.c (mips_ira_change_pseudo_allocno_class):
11508 * doc/tm.texi (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS):
11509 Update target hook.
11511 2016-02-02 Wilco Dijkstra <wdijkstr@arm.com>
11513 * config/aarch64/aarch64.c
11514 (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): New define.
11515 (aarch64_ira_change_pseudo_allocno_class): New function.
11517 2016-02-02 Uros Bizjak <ubizjak@gmail.com>
11520 * config/i386/i386.c (geode_cost): Increase cost of MMX and SSE moves.
11522 2016-02-02 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
11524 * config/avr/avr.c (avr_option_override): Set
11525 PARAM_ALLOW_STORE_DATA_RACES to 1.
11527 2016-02-02 Richard Biener <rguenther@suse.de>
11529 PR tree-optimization/69595
11530 * match.pd: Add range test simplifications to true/false.
11532 2016-02-02 Thomas Schwinge <thomas@codesourcery.com>
11534 * omp-builtins.def (BUILT_IN_GOACC_HOST_DATA): Remove.
11535 * omp-low.c (expand_omp_target): Use BUILT_IN_GOACC_DATA_START
11538 2016-02-02 Richard Biener <rguenther@suse.de>
11540 PR tree-optimization/69606
11541 * tree-ssa-math-opts.c (bswap_replace): Clear flow sensitive
11542 info on the result before moving a stmt.
11544 2016-02-02 Yuri Rumyantsev <ysrumyan@gmail.com>
11546 PR middle-end/68542
11547 * config/i386/i386.c (ix86_expand_branch): Add support for conditional
11548 branch with vector comparison.
11549 * config/i386/sse.md (VI48_AVX): New mode iterator.
11550 (define_expand "cbranch<mode>4): Add support for conditional branch
11551 with vector comparison.
11552 * tree-vect-loop.c (optimize_mask_stores): New function.
11553 * tree-vect-stmts.c (vectorizable_mask_load_store): Initialize
11554 has_mask_store field of vect_info.
11555 * tree-vectorizer.c (vectorize_loops): Invoke optimaze_mask_stores for
11556 vectorized loops having masked stores after vec_info destroy.
11557 * tree-vectorizer.h (loop_vec_info): Add new has_mask_store field and
11558 correspondent macros.
11559 (optimize_mask_stores): Add prototype.
11561 2016-02-02 Alan Modra <amodra@gmail.com>
11564 * config/rs6000/predicates.md (quad_int_reg_operand): Don't
11567 2016-02-02 Alan Modra <amodra@gmail.com>
11570 * config/rs6000/rs6000.c (need_toc_init): New var, set it
11571 whenever toc_label_name used.
11572 (rs6000_file_start): Don't set up toc section here,
11573 (rs6000_output_function_epilogue): do so here instead,
11574 (rs6000_xcoff_file_start): and here.
11575 * config/rs6000/rs6000.md (load_toc_aix_si): Set need_toc_init.
11576 (load_toc_aix_di): Likewise.
11578 2016-02-01 Jakub Jelinek <jakub@redhat.com>
11580 PR rtl-optimization/69592
11581 * rtlanal.c (nonzero_bits_binary_arith_p): New inline function.
11582 (cached_nonzero_bits): Use it instead of ARITHMETIC_P.
11583 (num_sign_bit_copies_binary_arith_p): New inline function.
11584 (cached_num_sign_bit_copies): Use it instead of ARITHMETIC_P.
11586 2016-02-01 Jeff Law <law@redhat.com>
11588 PR tree-optimization/69580
11589 * params.def (FSM_MAXIMUM_PHI_ARGUMENTS): New param.
11590 * tree-ssa-threadbackward.c
11591 (fsm_find_control_statement_thread_paths): Do not try to walk
11592 through large PHI nodes.
11594 2016-02-01 Jakub Jelinek <jakub@redhat.com>
11596 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return false
11597 when count is incremented above limit, don't analyze further
11600 * omp-low.c (oacc_parse_default_dims): Avoid
11601 -Wsign-compare warning, make sure value fits into int
11602 rather than just unsigned int.
11604 2016-02-01 Bin Cheng <bin.cheng@arm.com>
11606 PR tree-optimization/67921
11607 * fold-const.c (split_tree): New parameters. Convert pointer
11608 type variable part to proper type before negating.
11609 (fold_binary_loc): Pass new arguments to split_tree.
11611 2016-02-01 Nathan Sidwell <nathan@codesourcery.com>
11613 * config/nvptx/nvptx.c (PTX_GANG_DEFAULT): New.
11614 (nvptx_goacc_validate_dims): Extend to handle global defaults.
11615 * target.def (OACC_VALIDATE_DIMS): Extend documentation.
11616 * doc/tm.texti: Rebuilt.
11617 * doc/invoke.texi (fopenacc-dim): Document.
11618 * lto-wrapper.c (merge_and_complain): Add OPT_fopenacc_dim_ case.
11619 (append_compiler_options): Likewise.
11620 * omp-low.c (oacc_default_dims, oacc_min_dims): New.
11621 (oacc_parse_default_dims): New.
11622 (oacc_validate_dims): Add USED arg. Select non-unity default when
11624 (oacc_loop_fixed_partitions): Return mask of used partitions.
11625 (oacc_loop_auto_partitions): Emit dump info.
11626 (oacc_loop_partition): Return mask of used partitions.
11627 (execute_oacc_device_lower): Parse default dimension arg. Adjust
11628 loop partitioning and validation calls.
11630 2016-02-01 Richard Biener <rguenther@suse.de>
11632 PR middle-end/69556
11633 * match.pd: Guard (C1/X)*C2 -> (C1*C2)/X with single_use.
11635 2016-02-01 Richard Biener <rguenther@suse.de>
11637 PR tree-optimization/69574
11638 * tree-chrec.c (hide_evolution_in_other_loops_than_loop): Instead
11639 of asserting return chrec_dont_know.
11641 2016-02-01 Martin Liska <mliska@suse.cz>
11643 * mem-stats-traits.h: Add copyright header.
11644 * mem-stats.h: Likewise.
11646 2016-02-01 Richard Biener <rguenther@suse.de>
11648 PR tree-optimization/69579
11649 * tree-ssa-loop-ivcanon.c (propagate_constants_for_unrolling):
11650 Do not propagate through abnormal PHI results.
11652 2016-02-01 Eric Botcazou <ebotcazou@adacore.com>
11654 * postreload.c (reload_cse_simplify): Remove dead code.
11656 2016-02-01 Jakub Jelinek <jakub@redhat.com>
11658 PR rtl-optimization/69570
11659 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return true only
11660 if there is more than one set, not if there is a single set.
11662 2016-02-01 Richard Henderson <rth@redhat.com>
11665 * combine.c (make_compound_operation): When looking through a
11666 subreg, make sure to re-extend to the width of the outer mode.
11668 2016-01-30 Jakub Jelinek <jakub@redhat.com>
11670 PR tree-optimization/69546
11671 * wide-int.cc (wi::divmod_internal): For unsigned division
11672 where both operands fit into uhwi, if o1 is 1 and o0 has
11673 msb set, if divident_prec is larger than bits per hwi,
11674 clear another quotient word and return 2 instead of 1.
11675 Similarly for remainder with msb in HWI set, if dividend_prec
11676 is larger than bits per hwi.
11678 2016-01-29 Martin Jambor <mjambor@suse.cz>
11680 * hsa-gen.c (get_memory_order_name): Mask with MEMMODEL_BASE_MASK.
11681 Use short lowercase names.
11682 (get_memory_order): Mask with MEMMODEL_BASE_MASK. Support
11683 MEMMODEL_CONSUME with acquire semantics and MEMMODEL_SEQ_CST with
11684 acq_rel one. Protect warning agains segfaults if
11685 get_memory_order_name returns NULL.
11686 (gen_hsa_ternary_atomic_for_builtin): Support with MEMMODEL_SEQ_CST
11687 with release semantics. Do not warn if get_memory_order already did.
11688 (gen_hsa_insns_for_call): Support with MEMMODEL_SEQ_CST with acquire
11689 semantics. Fix check for relaxed or acquire semantics. Do not warn
11690 if get_memory_order already did.
11692 2016-01-29 Sebastian Pop <s.pop@samsung.com>
11694 * doc/install.texi: Document that isl-0.16 is supported.
11696 2016-01-29 Vladimir Makarov <vmakarov@redhat.com>
11699 * config/i386/constraints.md (Bm): Describe as special memory
11701 * doc/md.texi (DEFINE_SPECIAL_MEMORY_CONSTRAINT): Describe it.
11702 * genoutput.c (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
11703 * genpreds.c (struct constraint_data): Add is_special_memory.
11704 (have_special_memory_constraints, special_memory_start): New
11706 (special_memory_end): Ditto.
11707 (add_constraint): Add new arg is_special_memory. Add code to
11708 process its true value. Update have_special_memory_constraints.
11709 (process_define_constraint): Pass the new arg.
11710 (process_define_register_constraint): Ditto.
11711 (choose_enum_order): Process special memory.
11712 (write_tm_preds_h): Generate enum const CT_SPECIAL_MEMORY and
11713 function insn_extra_special_memory_constraint.
11714 (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
11715 * gensupport.c (process_rtx): Process
11716 DEFINE_SPECIAL_MEMORY_CONSTRAINT.
11717 * ira-costs.c (record_reg_classes): Process CT_SPECIAL_MEMORY.
11718 * ira-lives.c (single_reg_class): Use
11719 insn_extra_special_memory_constraint.
11720 * ira.c (ira_setup_alts): Process CT_SPECIAL_MEMORY.
11721 * lra-constraints.c (process_alt_operands): Ditto.
11722 (curr_insn_transform): Use insn_extra_special_memory_constraint.
11723 * recog.c (asm_operand_ok, preprocess_constraints): Process
11725 * reload.c (find_reloads): Ditto.
11726 * rtl.def (DEFINE_SPECIFAL_MEMORY_CONSTRAINT): New.
11727 * stmt.c (parse_input_constraint): Use
11728 insn_extra_special_memory_constraint.
11730 2016-01-29 H.J. Lu <hongjiu.lu@intel.com>
11733 * lra-splill.c (lra_final_code_change): Revert r229087 by
11734 removing all sub-registers.
11736 2016-01-29 Steve Ellcey <sellcey@imgtec.com>
11739 * config/mips/mips.c (mips_output_division): Check flag_delayed_branch.
11741 2016-01-29 Jakub Jelinek <jakub@redhat.com>
11744 * config/i386/i386.c (ix86_expand_vector_set) <case V4SImode>: For
11745 SSE1, copy target into the temporary reg first before recursing
11748 2016-01-29 H.J. Lu <hongjiu.lu@intel.com>
11750 * config/i386/sse.md (sse2_cvtps2pd<mask_name>): Replace vBm
11753 2016-01-29 Jonathan Wakely <jwakely@redhat.com>
11755 * ginclude/stdarg.h: Test __cplusplus instead of
11756 __GXX_EXPERIMENTAL_CXX0X__.
11758 2016-01-29 Richard Biener <rguenther@suse.de>
11760 PR tree-optimization/69547
11761 * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
11762 Do not mark clobbers necessary.
11763 (mark_all_reaching_defs_necessary_1): Likewise.
11765 2016-01-29 Dominik Vogt <vogt@linux.vnet.ibm.com>
11767 * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Format
11768 declaration name with %qs and print it in both error messages.
11769 Also fix indentation.
11771 2016-01-29 Dominik Vogt <vogt@linux.vnet.ibm.com>
11774 * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Remove
11775 trailing blank line from error message.
11777 2016-01-29 Jonathan Wakely <jwakely@redhat.com>
11780 * ginclude/float.h: Also provide FLT_EVAL_METHOD and DECIMAL_DIG
11783 2016-01-29 Richard Biener <rguenther@suse.de>
11785 PR middle-end/69537
11786 * match.pd: Allow all integral types when simplifying a
11787 widening or sign-changing conversion.
11789 2016-01-28 Sebastian Pop <s.pop@samsung.com>
11791 * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Revert assert
11792 back to setting codegen_error to fail codegen.
11794 2016-01-28 Uros Bizjak <ubizjak@gmail.com>
11797 * config/i386/constraints.md (C): Only accept constant zero operand.
11798 (BC): New constraint.
11799 * config/i386/sse.md (*mov<mode>_internal): Use BC constraint
11800 instead of C constraint.
11801 * doc/md.texi (Machine Constraints): Update description
11804 2016-01-28 Steve Ellcey <sellcey@imgtec.com>
11807 * config/mips/mips.c (and_operands_ok): Add MIPS16 check.
11809 2016-01-28 Jakub Jelinek <jakub@redhat.com>
11811 PR middle-end/69542
11812 * lra-remat.c (calculate_local_reg_remat_bb_data): Only consider
11815 2016-01-28 Pat Haugen <pthaugen@us.ibm.com>
11817 * config/rs6000/rs6000.c (output_cbranch): Don't statically predict
11818 branches if using guessed profile.
11820 2016-01-28 H.J. Lu <hongjiu.lu@intel.com>
11822 * graphite-optimize-isl.c (optimize_isl): Fix dump.
11824 2016-01-28 Richard Henderson <rth@redhat.com>
11827 * config/aarch64/aarch64-modes.def (CC_Cmode): New
11828 * config/aarch64/aarch64-protos.h: Update.
11829 * config/aarch64/aarch64.c (aarch64_zero_extend_const_eq): New.
11830 (aarch64_select_cc_mode): Add check for use of CC_Cmode.
11831 (aarch64_get_condition_code_1): Handle CC_Cmode.
11832 * config/aarch64/aarch64.md (addti3): Use adddi3_compareC.
11833 (*add<mode>3_compareC_cconly_imm): New.
11834 (*add<mode>3_compareC_cconly): New.
11835 (*add<mode>3_compareC_imm): New.
11836 (add<mode>3_compareC): New.
11837 (add<mode>3_carryin, *addsi3_carryin_uxtw): Sort compare operand
11838 to be first. Use aarch64_carry_operation.
11839 (*add<mode>3_carryin_alt1, *addsi3_carryin_alt1_uxtw): Remove.
11840 (*add<mode>3_carryin_alt2, *addsi3_carryin_alt2_uxtw): Remove.
11841 (*add<mode>3_carryin_alt3, *addsi3_carryin_alt3_uxtw): Remove.
11842 (subti3): Use subdi3_compare1.
11843 (*sub<mode>3_compare0): Rename from sub<mode>3_compare0.
11844 (sub<mode>3_compare1): New.
11845 (*sub<mode>3_carryin0, *subsi3_carryin_uxtw): New.
11846 (*sub<mode>3_carryin): Use aarch64_borrow_operation.
11847 (*subsi3_carryin_uxtw): Likewise.
11848 (*ngc<mode>, *ngcsi_uxtw): Likewise.
11849 (*sub<mode>3_carryin_alt, *subsi3_carryin_alt_uxtw): New.
11850 * config/aarch64/iterators.md (DWI): New.
11851 * config/aarch64/predicates.md (aarch64_carry_operation): New.
11852 (aarch64_borrow_operation): New.
11854 2016-01-28 Abderrazek Zaafrani <a.zaafrani@samsung.com>
11856 * graphite-optimize-isl.c (optimize_isl): Print a different debug
11857 message when isl does not return a valid schedule.
11859 2016-01-28 Sebastian Pop <s.pop@samsung.com>
11861 * graphite-isl-ast-to-gimple.c (class translate_isl_ast_to_gimple):
11862 Remove comments from class declarations: they are already in the code
11865 2016-01-28 Sebastian Pop <s.pop@samsung.com>
11867 * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Call
11869 (ternary_op_to_tree): Same.
11870 (unary_op_to_tree): Same.
11871 (nary_op_to_tree): Same.
11872 (gcc_expression_from_isl_expr_op): Same.
11873 (gcc_expression_from_isl_expression): Same.
11874 (graphite_create_new_loop): Same.
11875 (graphite_create_new_loop_guard): Same.
11876 (build_iv_mapping): Same.
11877 (graphite_create_new_guard): Same.
11878 (translate_isl_ast_to_gimple::copy_loop_phi_nodes): Same.
11879 (translate_isl_ast_to_gimple::translate_pending_phi_nodes): Same.
11881 2016-01-28 Sebastian Pop <s.pop@samsung.com>
11883 * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Assert
11884 instead of setting codegen_error to fail codegen.
11886 2016-01-28 Jason Merrill <jason@redhat.com>
11888 * tree.h (BINFO_FLAG_0): Rename from BINFO_MARKED.
11890 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
11892 * config/aarch64/aarch64.c (aarch64_if_then_else_costs):
11893 Remove CONST_INT_P check in CCMP cost calculation.
11895 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
11897 * config/aarch64/aarch64.c (generic_vector_cost):
11898 Set vec_permute_cost.
11899 (cortexa57_vector_cost): Likewise.
11900 (exynosm1_vector_cost): Likewise.
11901 (xgene1_vector_cost): Likewise.
11902 (aarch64_builtin_vectorization_cost): Use vec_permute_cost.
11903 * config/aarch64/aarch64-protos.h (cpu_vector_cost):
11904 Add vec_permute_cost entry.
11906 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
11908 * config/aarch64/aarch64.md (ccmp<mode>): Disassemble
11910 (add<mode>3_compare0): Likewise.
11911 (addsi3_compare0_uxtw): Likewise.
11912 (add<mode>3nr_compare0): Likewise.
11913 (compare_neg<mode>): Likewise.
11914 (<optab><mode>3): Likewise.
11916 2016-01-28 Ilya Enkovich <enkovich.gnu@gmail.com>
11918 * tree-vect-stmts.c (vectorizable_comparison): Add
11919 NULL check for vectype.
11921 2016-01-28 Richard Biener <rguenther@suse.de>
11923 PR tree-optimization/69466
11924 * tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
11925 Account for PHIs we couldn't duplicate.
11927 2016-01-28 Martin Liska <mliska@suse.cz>
11930 * ggc-common.c (gt_pch_save): Use ENABLE_VALGRIND_ANNOTATIONS macro
11931 instead of ENABLE_VALGRIND_CHECKING.
11933 2016-01-27 Richard Henderson <rth@redhat.com>
11936 * lra-remat.c (subreg_regs): New.
11937 (dump_candidates_and_remat_bb_data): Dump it.
11938 (operand_to_remat): Reject if operand in subreg_regs.
11939 (set_bb_regs): Collect subreg_regs.
11940 (lra_remat): Init and free subreg_regs. Compute
11941 calculate_local_reg_remat_bb_data before create_cands.
11943 2016-01-27 H.J. Lu <hongjiu.lu@intel.com>
11946 * config/i386/i386.c (ix86_update_stack_boundary): Don't
11947 change stack_alignment_needed for __tls_get_addr call.
11949 2016-01-27 Segher Boessenkool <segher@kernel.crashing.org>
11951 * config/rs6000/rs6000.c (print_operand): Rollback 's' removal.
11953 2016-01-27 Jeff Law <law@redhat.com>
11955 PR tree-optimization/68398
11956 PR tree-optimization/69196
11957 * params.def (PARAM_FSM_SCALE_PATH_STMTS): New parameter.
11958 (PARAM_FSM_SCALE_PATH_BLOCKS): Likewise.
11959 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
11960 Only count PHIs in the last block in the path. The others will
11961 const/copy propagate away. Add heuristic to allow more irreducible
11962 subloops to be created when it is likely profitable to do so.
11964 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
11965 Fix typo in comment. Use gsi_after_labels and remove the GIMPLE_LABEL
11966 check from within the loop. Use gsi_next_nondebug rather than gsi_next.
11968 2016-01-27 Jakub Jelinek <jakub@redhat.com>
11971 * sanitizer.def: Add BEGIN_SANITIZER_BUILTINS and
11972 END_SANITIZER_BUILTINS markers using DEF_BUILTIN_STUB.
11973 * asan.c (DEF_BUILTIN_STUB): Temporarily define.
11974 * tree-streamer-in.c: Include asan.h.
11975 (streamer_get_builtin_tree): For builtins in sanitizer
11976 range call initialize_sanitizer_builtins and retry.
11978 2016-01-27 Ian Lance Taylor <iant@google.com>
11980 * common.opt (fkeep-gc-roots-live): New undocumented option.
11981 * tree-ssa-loop-ivopts.c (add_candidate_1): If
11982 -fkeep-gc-roots-live, skip pointers.
11983 (add_iv_candidate_for_biv): Handle add_candidate_1 returning
11986 2016-01-27 Uros Bizjak <ubizjak@gmail.com>
11989 * config/i386/i386.md (*zext<mode>_doubleword_and): New pattern.
11990 (*zext<mode>_doubleword): Disable for TARGET_ZERO_EXTEND_WITH_AND.
11992 2016-01-27 Thomas Klausner <wiz@NetBSD.org>
11995 * configure.ac: NetBSD provides SSP in its C library.
11996 * configure: Updated.
11998 2016-01-27 Richard Biener <rguenther@suse.de>
12000 PR tree-optimization/69166
12001 * tree-vect-loop.c (vect_is_simple_reduction): Always check
12002 reduction code for commutativity / associativity.
12004 2016-01-27 Martin Jambor <mjambor@suse.cz>
12006 PR tree-optimization/69355
12007 * tree-sra.c (analyze_access_subtree): Correct hole detection when
12008 total_scalarization fails.
12010 2016-01-27 David Edelsohn <dje.gcc@gmail.com>
12012 * config/rs6000/driver-rs6000.c (detect_processor_aix): Add
12015 2016-01-27 Christian Bruel <christian.bruel@st.com>
12018 * config/arm/arm-c.c (arm_pragma_target_parse): Add comments.
12019 Move arm_reset_previous_fndecl and set_target_option_current_node in
12020 the conditional part. Call save_restore_target_globals.
12021 * config/arm/arm.c (arm_set_current_function):
12022 Refactor to better support #pragma target and attribute mix.
12023 Call save_restore_target_globals.
12024 * config/arm/arm-protos.h (save_restore_target_globals): New function.
12026 2016-01-27 Martin Liska <mliska@suse.cz>
12028 * hsa.c (hsa_summary_t::link_functions): Create IPA_REF_ADDR
12029 reference for an HSA kernel and its host function.
12031 2016-01-27 Jakub Jelinek <jakub@redhat.com>
12033 PR tree-optimization/69399
12034 * wide-int.h (wi::lrshift): For larger precisions, only
12035 use fast path if shift is known to be < HOST_BITS_PER_WIDE_INT.
12037 2016-01-27 Claudiu Zissulescu <claziss@synopsys.com>
12039 * config/arc/predicates.md (proper_comparison_operator): Reject
12040 constant-constant comparison.
12042 2016-01-26 Tom de Vries <tom@codesourcery.com>
12044 PR tree-optimization/69110
12045 * tree-data-ref.c (initialize_data_dependence_relation): Handle
12046 DR_NUM_DIMENSIONS == 0.
12048 2016-01-26 Abderrazek Zaafrani <a.zaafrani@samsung.com>
12049 Sebastian Pop <s.pop@samsung.com>
12051 * graphite-isl-ast-to-gimple.c (ternary_op_to_tree): Handle
12052 isl_ast_op_cond and isl_ast_op_select.
12053 (gcc_expression_from_isl_expr_op): Same.
12055 2016-01-26 Jason Merrill <jason@redhat.com>
12058 * tree.c (recompute_constructor_flags): Split out from
12060 (verify_constructor_flags): New.
12061 * tree.h: Declare them.
12063 2016-01-26 Iain Buclaw <ibuclaw@gdcproject.org>
12065 PR rtl-optimization/69217
12066 * var-tracking.c (tracked_record_parameter_p): Don't segfault if there
12067 are no TYPE_FIELDS set for the record type.
12069 2016-01-26 Jakub Jelinek <jakub@redhat.com>
12072 * config/rs6000/rs6000.c (rs6000_option_override_internal): Initialize
12073 toc_label_name unconditionally.
12074 (rs6000_emit_load_toc_table): Call ggc_strdup on toc_label_name for
12075 SYMBOL_REF string. Use toc_label_name instead of constructing
12077 (rs6000_elf_declare_function_name): Use toc_label_name instead of
12078 constructing LCTOC1.
12080 2016-01-26 Martin Sebor <msebor@redhat.com>
12083 * doc/extend.texi (Common Type Attributes): Move text that talks about
12084 attribute packed from attribute aligned to the section discussing
12085 the former attribute for clarity.
12087 2016-01-26 Richard Henderson <rth@redhat.com>
12089 PR middle-end/60908
12090 * trans-mem.c (tm_region_init): Mark entry block as visited.
12092 2016-01-26 David Malcolm <dmalcolm@redhat.com>
12095 * diagnostic-show-locus.c (layout::print_source_line): Replace
12096 call to pp_newline with call to layout::print_newline.
12097 (layout::print_annotation_line): Likewise.
12098 (layout::move_to_column): Likewise.
12099 (layout::print_any_fixits): After printing any fixits, print a
12100 trailing newline, if necessary.
12101 (layout::print_newline): New method, resetting any colorization
12103 (diagnostic_show_locus): Move the pp_newline to before the
12104 early bailout. Remove dummy block enclosing the layout instance.
12105 * diagnostic.c (default_diagnostic_finalizer): Replace invocation
12106 of pp_newline_and_flush with pp_flush.
12107 (diagnostic_append_note): Delete use of pp_newline.
12108 (diagnostic_append_note_at_rich_loc): Delete.
12109 * diagnostic.h (diagnostic_append_note_at_rich_loc): Delete.
12110 * pretty-print.h (output_buffer_append_r): Reset buff->line_length
12111 when newline characters are added to the buffer.
12113 2016-01-26 Michael Matz <matz@suse.de>
12115 * configure.ac (ac_cv_std_swap_in_utility): New test.
12116 * system.h (<algorithm>): Check HAVE_SWAP_IN_UTILITY as well.
12117 * configure: Regenerate.
12118 * config.in: Regenerate.
12120 2016-01-26 Claudiu Zissulescu <claziss@synopsys.com>
12122 * config/arc/arc.md (cstoresi4): Force operand into register.
12123 (arcset<code>): Fix predicate.
12124 (arcsetltu): Likewise.
12125 (arcsetgeu): Likewise.
12126 (arcsethi): Likewise.
12127 (arcsetls): Likewise.
12129 2016-01-26 Jakub Jelinek <jakub@redhat.com>
12131 PR tree-optimization/69483
12132 * gimple-fold.c (canonicalize_constructor_val): Return NULL
12133 if base has error_mark_node type.
12135 2016-01-26 Christophe Lyon <christophe.lyon@linaro.org>
12138 * config/arm/arm.c (neon_valid_immediate): Handle FP16 vectors.
12139 * config/arm/arm_neon.h (__ARM_NUM_LANES, __arm_lane, arm_lanq):
12141 (vget_lane_f16): Handle big-endian.
12142 (vgetq_lane_f16): Likewise.
12143 (vset_lane_f16): Likewise.
12144 (vsetq_lane_f16): Likewise.
12145 * config/arm/iterators.md (VQXMOV): Add V8HF.
12146 (VDQ): Add V4HF and V8HF.
12147 (V_reg): Handle V4HF and V8HF.
12148 (Is_float_mode): Likewise.
12149 * config/arm/neon.md (movv4hf, movv8hf, neon_vdup_nv4hf,
12150 neon_vdup_nv8hf): New patterns.
12151 (vec_set<mode>_internal, vec_extract<mode>, neon_vld1_dup<mode>):
12152 Use VD_LANE iterator.
12153 (neon_vld1_dup<mode>): Use VQ2 iterator.
12155 2016-01-26 Nathan Sidwell <nathan@acm.org>
12157 * omp-low.h (oacc_fn_attrib_kernels_p): Declare.
12158 (set_oacc_fn_attrib): Add IS_KERNEL arg.
12159 * omp-low.c (set_oacc_fn_attrib): Add IS_KERNEL arg.
12160 (oacc_fn_attrib_kernels_p, oacc_fn_attrib_level): New.
12161 (expand_omp_target): Pass is_kernel to set_oacc_fn_attrib.
12162 (oacc_validate_dims): Add LEVEL arg, don't return level.
12163 (new_oacc_loop_routine): Use oacc_fn_attrib_level, not
12164 oacc_validate_dims.
12165 (execute_oacc_device_lower): Adjust, add more dump output.
12166 * tree-ssa-loop.c (gate_oacc_kernels): Use
12167 oacc_fn_attrib_kernels_p.
12168 * tree-parloops.c (create_parallel_loop): Adjust
12169 set_oacc_fn_attrib call.
12171 2016-01-26 Jakub Jelinek <jakub@redhat.com>
12174 * lto-wrapper.c (merge_and_complain): Handle -fcilkplus.
12175 (append_compiler_options): Handle -fcilkplus.
12176 (append_linker_options): Ignore -fno-{openmp,openacc,cilkplus}.
12178 2016-01-26 Nick Clifton <nickc@redhat.com>
12181 * config/i386/winnt.c (i386_pe_binds_local_p): If a function has
12182 been marked as DECL_ONE_ONLY but we do not the means to make it
12183 so, then do not allow it to bind locally.
12185 2016-01-26 Jakub Jelinek <jakub@redhat.com>
12188 * opts.h (parse_sanitizer_options): New prototype.
12189 * opts.c (sanitizer_opts): New array.
12190 (parse_sanitizer_options): New function.
12191 (common_handle_option): Use parse_sanitizer_options.
12193 2016-01-26 H.J. Lu <hongjiu.lu@intel.com>
12196 * config/i386/i386.c (ix86_compute_frame_layout): Move stack
12197 alignment adjustment to ...
12198 (ix86_update_stack_boundary): Here. Don't over-align stack for
12200 (ix86_finalize_stack_realign_flags): Use stack_alignment_needed
12201 if __tls_get_addr is called.
12203 2016-01-26 Christian Bruel <christian.bruel@st.com>
12205 * doc/sourcebuild.texi (arm_crypto_pragma_ok): Remove.
12207 2016-01-26 Eric Botcazou <ebotcazou@adacore.com>
12209 * config/ia64/ia64.c (ia64_expand_vecint_compare): Use gen_int_mode.
12211 2016-01-26 Richard Biener <rguenther@suse.de>
12213 PR middle-end/69467
12214 * match.pd: Guard X * CST CMP 0 pattern with single_use.
12216 2016-01-26 Richard Biener <rguenther@suse.de>
12218 PR tree-optimization/69452
12219 * tree-ssa-loop-im.c (move_computations_dom_walker): Remove.
12220 (move_computations_dom_walker::before_dom_children): Rename
12222 (move_computations_worker): This.
12223 (move_computations): Perform an RPO rather than a DOM walk.
12225 2016-01-26 Jakub Jelinek <jakub@redhat.com>
12228 * combine.c (combine_instructions): For REG_EQUAL note with
12229 SET_DEST being ZERO_EXTRACT, also temporarily set SET_DEST
12230 to the underlying register.
12231 * doc/rtl.texi (REG_EQUAL): Document the behavior of
12232 REG_EQUAL/REG_EQUIV notes if SET_DEST is ZERO_EXTRACT.
12234 2016-01-26 Roger Ferrer Ibáñez <rofirrim@gmail.com>
12237 * config/aarch64/aarch64-builtins.c
12238 (aarch64_init_simd_builtin_types): Do not set structural
12239 equality to __Poly{8,16,64,128}_t types.
12241 2016-01-26 Richard Sandiford <richard.sandiford@arm.com>
12243 PR tree-optimization/69400
12244 * wide-int.cc (wi_pack): Take the precision as argument and
12245 perform canonicalization here rather than in the callers.
12246 Use the main loop to handle all full-width HWIs. Add a
12247 zero HWI if in_len isn't a full result.
12248 (wi::divmod_internal): Update accordingly.
12249 (wi::mul_internal): Likewise. Simplify.
12251 2016-01-25 Aditya Kumar <aditya.k7@samsung.com>
12252 Sebastian Pop <s.pop@samsung.com>
12254 * graphite-poly.c (apply_poly_transforms): Simplify.
12255 (print_isl_set): Use more readable format: ISL_YAML_STYLE_BLOCK.
12256 (print_isl_map): Same.
12257 (print_isl_union_map): Same.
12258 (print_isl_schedule): New.
12259 (debug_isl_schedule): New.
12260 * graphite-dependences.c (scop_get_reads): Do not call
12261 isl_union_map_add_map that is undocumented isl functionality.
12262 (scop_get_must_writes): Same.
12263 (scop_get_may_writes): Same.
12264 (scop_get_original_schedule): Remove.
12265 (scop_get_dependences): Do not call isl_union_map_compute_flow that
12266 is deprecated in isl 0.15. Instead, use isl_union_access_* interface.
12267 (compute_deps): Remove.
12268 * graphite-isl-ast-to-gimple.c (print_schedule_ast): New.
12269 (debug_schedule_ast): New.
12270 (translate_isl_ast_to_gimple::scop_to_isl_ast): Call
12271 set_separate_option.
12272 (graphite_regenerate_ast_isl): Add dump.
12273 (translate_isl_ast_to_gimple::scop_to_isl_ast): Generate code
12274 from scop->transformed_schedule.
12275 (graphite_regenerate_ast_isl): Add more dump.
12276 * graphite-optimize-isl.c (optimize_isl): Set
12277 scop->transformed_schedule. Check whether schedules are equal.
12278 (apply_poly_transforms): Move here.
12279 * graphite-poly.c (apply_poly_transforms): ... from here.
12280 (free_poly_bb): Static.
12281 (free_scop): Static.
12282 (pbb_number_of_iterations_at_time): Remove.
12283 (print_isl_ast): New.
12284 (debug_isl_ast): New.
12285 (debug_scop_pbb): New.
12286 * graphite-scop-detection.c (print_edge): Move.
12287 (print_sese): Move.
12288 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Remove.
12289 (build_scop_scattering): Remove.
12290 (create_pw_aff_from_tree): Assert instead of bailing out.
12291 (add_condition_to_pbb): Remove unused code, do not fail.
12292 (add_conditions_to_domain): Same.
12293 (add_conditions_to_constraints): Remove.
12294 (build_scop_context): New.
12295 (add_iter_domain_dimension): New.
12296 (build_iteration_domains): Initialize pbb->iterators.
12297 Call add_conditions_to_domain.
12300 (index_outermost_in_loop): New.
12301 (index_pbb_in_loop): New.
12302 (outermost_pbb_in): New.
12303 (add_in_sequence): New.
12304 (add_outer_projection): New.
12305 (outer_projection_mupa): New.
12306 (add_loop_schedule): New.
12307 (build_schedule_pbb): New.
12308 (build_schedule_loop): New.
12309 (embed_in_surrounding_loops): New.
12310 (build_schedule_loop_nest): New.
12311 (build_original_schedule): New.
12312 (build_poly_scop): Call build_original_schedule.
12313 * graphite.h: Declare print_isl_schedule and debug_isl_schedule.
12314 (free_poly_dr): Remove.
12315 (struct poly_bb): Add iterators. Remove schedule, transformed, saved.
12316 (free_poly_bb): Remove.
12317 (debug_loop_vec): Remove.
12318 (print_isl_ast): Declare.
12319 (debug_isl_ast): Declare.
12320 (scop_do_interchange): Remove.
12321 (scop_do_strip_mine): Remove.
12322 (scop_do_block): Remove.
12323 (flatten_all_loops): Remove.
12324 (optimize_isl): Remove.
12325 (pbb_number_of_iterations_at_time): Remove.
12326 (debug_scop_pbb): Declare.
12327 (print_schedule_ast): Declare.
12328 (debug_schedule_ast): Declare.
12329 (struct scop): Remove schedule. Add original_schedule,
12330 transformed_schedule.
12331 (free_gimple_poly_bb): Remove.
12332 (print_generated_program): Remove.
12333 (debug_generated_program): Remove.
12334 (unify_scattering_dimensions): Remove.
12335 * sese.c (print_edge): ... here.
12336 (print_sese): ... here.
12337 (debug_edge): ... here.
12338 (debug_sese): ... here.
12339 * sese.h (print_edge): Declare.
12340 (print_sese): Declare.
12341 (dump_edge): Declare.
12342 (dump_sese): Declare.
12344 2016-01-25 Aditya Kumar <aditya.k7@samsung.com>
12345 Sebastian Pop <s.pop@samsung.com>
12347 * Makefile.in: Set ISLVER in site.exp.
12349 2016-01-25 Jakub Jelinek <jakub@redhat.com>
12351 * omp-low.c (lower_omp_target) <case USE_DEVICE_PTR>: Set
12352 DECL_VALUE_EXPR of new_var even for the non-array case. Look
12353 through DECL_VALUE_EXPR for expansion.
12355 2016-01-25 Bernd Edlinger <bernd.edlinger@hotmail.de>
12357 * config/mips/mips.c (mips_compute_frame_info): Skip re-computing
12358 the frame info after reload completed.
12360 2016-01-25 Jeff Law <law@redhat.com>
12362 PR tree-optimization/69196
12363 PR tree-optimization/68398
12364 * tree-ssa-threadupdate.h (enum bb_dom_status): Moved here from
12365 tree-ssa-threadupdate.c.
12366 (determine_bb_domination_status): Prototype
12367 * tree-ssa-threadupdate.c (enum bb_dom_status): Remove
12368 (determine_bb_domination_status): No longer static.
12369 (valid_jump_thread_path): Remove code to detect characteristics
12370 of the jump thread path not associated with correctness.
12371 * tree-ssa-threadbackward.c (fsm_find_control_statment_thread_paths):
12372 Correct test for thread path length. Count PHIs for real operands as
12373 statements that need to be copied. Do not count ASSERT_EXPRs.
12374 Look at all the blocks in the thread path. Compute and selectively
12375 filter thread paths based on threading through the latch, threading
12376 a multiway branch or crossing a multiway branch.
12378 2016-01-25 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
12380 * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): Add
12381 decl with __attribute__ ((unused)) annotation.
12383 2016-01-25 Ilya Enkovich <enkovich.gnu@gmail.com>
12386 * tree-vect-stmts.c (vectorizable_condition): Check vectype
12387 of operands is compatible with a statement vectype.
12389 2016-01-25 Eric Botcazou <ebotcazou@adacore.com>
12391 * doc/extend.texi (scalar_storage_order type attribute): Fix typo and
12392 improve wording for mixed storage order support.
12394 2016-01-25 Bilyan Borisov <bilyan.borisov@arm.com>
12396 * config/aarch64/arm_neon.h (vcvt_s64_f64): New intrinsic.
12397 (vcvt_u64_f64): Likewise.
12398 (vcvta_s64_f64): Likewise.
12399 (vcvta_u64_f64): Likewise.
12400 (vcvtm_s64_f64): Likewise.
12401 (vcvtm_u64_f64): Likewise.
12402 (vcvtn_s64_f64): Likewise.
12403 (vcvtn_u64_f64): Likewise.
12404 (vcvtp_s64_f64): Likewise.
12405 (vcvtp_u64_f64): Likewise.
12407 2016-01-25 Claudiu Zissulescu <claziss@synopsys.com>
12409 * config/arc/arc.c (TARGET_DWARF_REGISTER_SPAN): Define.
12410 (arc_init): Check validity mll64 option.
12411 (arc_save_restore): Use double load/store instruction.
12412 (arc_expand_movmem): Likewise.
12413 (arc_split_move): Don't split if we have double load/store
12414 instructions. Returns a boolean.
12415 (arc_process_double_reg_moves): Change function to return boolean
12416 instead of a sequence of instructions.
12417 (arc_dwarf_register_span): New function.
12418 * config/arc/arc-protos.h (arc_split_move): Change prototype.
12419 * config/arc/arc.h (TARGET_CPU_CPP_BUILTINS): Define __ARC_LL64__.
12420 * config/arc/arc.md (*movdi_insn): Emit ldd/std instructions.
12421 (*movdf_insn): Likewise.
12422 * config/arc/arc.opt (mll64): New option.
12423 * config/arc/predicates.md (even_register_operand): New predicate.
12424 * doc/invoke.texi (ARC Options): Add mll64 documentation.
12426 2016-01-25 Richard Biener <rguenther@suse.de>
12429 * dwarf2out.c (is_naming_typedef_decl): Not when DECL_NAMELESS.
12430 * tree-streamer-out.c (pack_ts_base_value_fields): Stream
12432 * tree-streamer-in.c (unpack_ts_base_value_fields): Likewise.
12434 2016-01-25 Richard Biener <rguenther@suse.de>
12436 PR tree-optimization/69376
12437 * tree-ssa-sccvn.h (struct vn_ssa_aux): Add range_info_anti_range_p
12439 (VN_INFO_ANTI_RANGE_P): New inline.
12440 (VN_INFO_RANGE_TYPE): Likewise.
12441 * tree-ssa-sccvn.c (set_ssa_val_to): Also record and copy
12442 SSA_NAME_ANTI_RANGE_P.
12443 (free_scc_vn): Restore SSA_NAME_ANTI_RANGE_P.
12444 * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
12445 Properly query VN_INFO_RANGE_TYPE.
12447 2016-01-25 Nick Clifton <nickc@redhat.com>
12450 * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Remove definition.
12452 2016-01-23 Tom de Vries <tom@codesourcery.com>
12454 PR tree-optimization/69426
12455 * tree-parloops.c (eliminate_local_variables_stmt): Handle vdef of
12458 2016-01-23 Jakub Jelinek <jakub@redhat.com>
12460 * tree-ssanames.c (release_free_names_and_compact_live_names): Replace
12461 "the the" with "the" in the comments.
12462 * ipa-devirt.c (build_type_inheritance_graph,
12463 update_type_inheritance_graph): Likewise.
12464 * tree.c (build_function_type_list_1): Likewise.
12465 * cfgloopmanip.c (scale_loop_profile): Likewise.
12466 * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Likewise.
12467 * gimple-ssa-split-paths.c
12468 (find_block_to_duplicate_for_splitting_paths): Likewise.
12469 * tree-sra.c (init_subtree_with_zero, clobber_subtree): Likewise.
12470 * expr.c (convert_move): Likewise.
12471 * var-tracking.c (vt_stack_adjustments): Likewise.
12472 * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
12473 * tree-vrp.c (test_for_singularity): Likewise.
12475 * tree-vect-stmts.c (vectorizable_condition): Build a VEC_COND_EXPR
12476 directly instead of building a temporary tree.
12479 * genrecog.c: Define INCLUDE_ALGORITHM before including system.h,
12480 remove <algorithm> include.
12482 2016-01-22 Jakub Jelinek <jakub@redhat.com>
12485 * config/i386/i386.c: Include dojump.h.
12486 (expand_small_movmem_or_setmem,
12487 expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Spelling
12489 (ix86_expand_set_or_movmem): Call do_pending_stack_adjust () early
12490 if dynamic_check != -1.
12492 2016-01-21 Jeff Law <law@redhat.com>
12494 PR middle-end/69347
12495 * tree-ssa-dom.c (back_propagate_equivalences): Factored out of
12496 record_temporary_equivalences. Rewritten to avoid unnecessary calls
12497 into dominated_by_p.
12498 (cprop_into_successor_phis): Avoid unnecessary tests.
12500 2016-01-22 Richard Henderson <rth@redhat.com>
12503 * config/aarch64/aarch64.md (UNSPEC_NZCV): New.
12504 (ccmp<mode>, fccmp<mode>, fccmpe<mode>): Use it.
12506 2016-01-22 Michael Matz <matz@suse.de>
12508 * system.h (string, algorithm): Include only conditionally.
12509 (new): Include always under C++.
12510 * bb-reorder.c (toplevel): Define INCLUDE_ALGORITHM.
12511 * final.c (toplevel): Ditto.
12512 * ipa-chkp.c (toplevel): Define INCLUDE_STRING.
12513 * genconditions.c (write_header): Make gencondmd.c define
12515 * mem-stats.h (mem_usage::print_dash_line): Don't use std::string.
12517 * config/aarch64/aarch64.c (toplevel): Define INCLUDE_STRING.
12518 * common/config/aarch64/aarch64-common.c (toplevel): Ditto.
12520 2016-01-22 Christian Bruel <christian.bruel@st.com>
12523 * expr.c (expand_expr_real_1): Reset DECL_MODE if VECTOR_TYPE_P changed.
12525 2016-01-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
12528 * config/arm/thumb2.md (*thumb2_ior_scc_strict_it): Convert to
12529 define_insn_and_split. Ensure operands[1] and operands[0] do not
12530 get assigned the same register.
12532 2016-01-22 Kugan Vivekanandarajah <kuganv@linaro.org>
12534 * ipa-prop.c (ipa_set_jf_constant): Remove redundant unshare_expr.
12536 2016-01-22 Christian Bruel <christian.bruel@st.com>
12538 * config/arm/arm-c.c (arm_pragma_target_parse):
12539 Remove warn_builtin_macro_redefined overwrite.
12541 2016-01-22 Eric Botcazou <ebotcazou@adacore.com>
12543 * ipa-inline.c (can_inline_edge_p): Back out overzealous check on
12544 flag_non_call_exceptions compatibility.
12546 2016-01-22 Jakub Jelinek <jakub@redhat.com>
12549 * dwarf2out.c (add_child_die_after): New function.
12550 (dwarf_qual_info_t): New type.
12551 (dwarf_qual_info): New variable.
12552 (qualified_die_p): New function.
12553 (modified_type_die): For -fdebug-types-section, ensure
12554 canonical order of qualifiers. Put qualified DIEs adjacent
12555 to the corresponding non-qualified type DIE and search there
12556 for existing qualified DIEs.
12558 2016-01-22 Eric Botcazou <ebotcazou@adacore.com>
12560 * doc/extend.texi (scalar_storage_order type attribute): Document
12561 restriction on type punning and aliasing, and remove future tense.
12563 2016-01-21 Roman Zhuykov <zhroma@ispras.ru>
12566 * modulo-sched.c (optimize_sc): Allow branch-scheduling to add a new
12569 2016-01-21 Jeff Law <law@redhat.com>
12571 PR middle-end/69347
12572 * tree-ssa-dom.c (dom_opt_dom_walker::thread_across_edge): Avoid
12573 useless call to record_temporary_equivalences.
12574 * tree-ssa-threadbackward.c (find_jump_threads_backwards): Just
12575 allocate 10 slots in the bb_path vector and let it grow as needed.
12576 (fsm_find_control_statement_thread_paths): Similarly for the next_path
12579 2016-01-21 David Edelsohn <dje.gcc@gmail.com>
12581 * configure.ac (gcc_cv_as_powerpc_mfcrf, gcc_cv_as_machine_directive):
12583 * configure: Regenerate.
12585 2016-01-21 Pat Haugen <pthaugen@us.ibm.com>
12587 * config/rs6000/aix71.h (ASM_CPU_SPEC): Add entry for Power9.
12588 * config/rs6000/driver-rs6000.c (struct asm_names): Likewise.
12590 2016-01-21 Bernd Schmidt <bschmidt@redhat.com>
12592 PR middle-end/66178
12593 * expr.c (expand_expr_real_2) [PLUS_EXPR, MINUS_EXPR]: Don't
12594 drop EXPAND_INITIALIZER.
12595 * rtl.h (contains_symbolic_reference_p): Declare.
12596 * rtlanal.c (contains_symbolic_reference_p): New function.
12597 * simplify-rtx.c (simplify_binary_operation_1): Don't turn
12598 a subtraction into a NOT if symbolic constants are involved.
12600 2016-01-21 Anton Blanchard <anton@samba.org>
12601 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
12604 * config/rs6000/linux64.h (TARGET_KEEP_LEAF_WHEN_PROFILED): New
12606 * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): New
12609 2016-01-21 Ajit Agarwal <ajitkum@xilinx.com>
12611 * config/microblaze/microblaze.c
12612 (get_branch_target): New.
12613 (insert_wic_for_ilb_runout): New.
12615 (microblaze_machine_dependent_reorg): New.
12616 (TARGET_MACHINE_DEPENDENT_REORG): Define macro.
12617 * config/microblaze/microblaze.md
12618 (UNSPEC_IPREFETCH): Define.
12619 (iprefetch): New pattern
12620 * config/microblaze/microblaze.opt
12621 (mxl-prefetch): New flag.
12623 2016-01-21 Ajit Agarwal <ajitkum@xilinx.com>
12625 * config/microblaze/microblaze.h
12626 (FIXED_REGISTERS): Update in macro.
12627 (CALL_USED_REGISTERS): Update in macro.
12629 2016-01-21 Yuri Rumyantsev <ysrumyan@gmail.com>
12631 PR rtl-optimization/68920
12632 * ifcvt.c (cond_move_process_if_block): Limit number of conditional
12635 2016-01-21 Vladimir Makarov <vmakarov@redhat.com>
12637 PR rtl-optimization/68990
12638 * lra-coalesce.c (lra_coalesce): Invalidate value for the result
12639 pseudo instead of inheritance ones.
12641 2016-01-21 Bernd Edlinger <bernd.edlinger@hotmail.de>
12642 Nick Clifton <nickc@redhat.com>
12646 * config/mips/mips.c (mips_compute_frame_info): Initialise
12647 args_size and hard_frame_pointer_offset fields of the frame
12648 structure before calling mips_global_pointer.
12650 2016-01-21 David Edelsohn <dje.gcc@gmail.com>
12652 * configure.ac (gcc_cv_as_dwloc): Test support for debug frame section
12654 * configure: Regenerate.
12656 2016-01-21 Richard Biener <rguenther@suse.de>
12658 * graphite-optimize-isl.c (get_schedule_map): Fix typo.
12660 2016-01-21 Marcin Kościelnicki <koriakin@0x04.net>
12662 * config/s390/s390.c (s390_asm_declare_function_size): Add code
12663 to actually emit the .size directive.
12665 2016-01-21 Stefan Sørensen <stefan.sorensen@spectralink.com>
12666 Jakub Jelinek <jakub@redhat.com>
12670 * config/arm/arm-builtins.c (arm_expand_neon_builtin): Increase
12671 args array size by one to avoid buffer overflow.
12673 2016-01-21 Marcin Kościelnicki <koriakin@0x04.net>
12675 * config/s390/s390.md (pool_section_start): Use switch_to_section
12676 to select proper read-only data section instead of hardcoding
12678 (pool_section_end): Use switch_to_section to match the above.
12680 2016-01-21 Richard Biener <rguenther@suse.de>
12682 PR tree-optimization/69378
12683 * tree-ssa-sccvn.c (dominated_by_p_w_unex): New function.
12684 (set_ssa_val_to): Use it for dominance checks taking into
12685 account not executable edges.
12687 2016-01-21 Jakub Jelinek <jakub@redhat.com>
12690 * tree-dfa.c (get_ref_base_and_extent): Use GET_MODE_BITSIZE (mode)
12691 for bitsize instead of GET_MODE_PRECISION (mode).
12693 2016-01-20 Martin Sebor <msebor@redhat.com>
12696 * extend.texi (__sync Builtins): Clarify the semantics of
12697 __sync_fetch_and_OP built-ins on pointers.
12698 (__atomic Builtins): Same.
12700 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
12701 Sebastian Pop <s.pop@samsung.com>
12703 * graphite-isl-ast-to-gimple.c (enum phi_node_kind): New.
12704 (class translate_isl_ast_to_gimple): Use phi_node_kind instead of bool.
12705 (is_valid_rename): Same.
12706 (translate_isl_ast_to_gimple::get_rename): Same.
12707 (translate_isl_ast_to_gimple::rename_all_uses): Same.
12708 (translate_isl_ast_to_gimple::rename_uses): Same.
12709 (get_new_name): Check for close_phi nodes.
12710 (copy_loop_phi_args): Use phi_node_kind.
12711 (translate_isl_ast_to_gimple::copy_loop_close_phi_args): Same.
12712 (translate_isl_ast_to_gimple::copy_cond_phi_args): Same.
12714 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
12715 Sebastian Pop <s.pop@samsung.com>
12717 Revert commit r229783.
12718 * graphite-isl-ast-to-gimple.c (gcc_expression_from_isl_ast_expr_id):
12719 Remove use of parameter_rename_map.
12720 (copy_def): Remove.
12721 (copy_internal_parameters): Remove.
12722 (graphite_regenerate_ast_isl): Remove call to copy_internal_parameters.
12723 * sese.c (new_sese_info): Do not initialize parameter_rename_map.
12724 (free_sese_info): Do not free parameter_rename_map.
12725 (set_rename): Do not use parameter_rename_map.
12726 (rename_uses): Update call to set_rename.
12727 (graphite_copy_stmts_from_block): Do not use parameter_rename_map.
12728 * sese.h (parameter_rename_map_t): Remove.
12729 (struct sese_info_t): Remove field parameter_rename_map.
12731 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
12732 Sebastian Pop <s.pop@samsung.com>
12734 * graphite-isl-ast-to-gimple.c: Fix comment.
12735 * graphite-scop-detection.c (defined_in_loop_p): New.
12736 (canonicalize_loop_closed_ssa): Do not add close phi nodes for SSA
12737 names defined in loop.
12739 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
12740 Sebastian Pop <s.pop@samsung.com>
12742 * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
12743 Discard unstructured if-then-else regions.
12745 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
12746 Sebastian Pop <s.pop@samsung.com>
12748 * graphite-sese-to-poly.c (set_scop_parameter_dim): Remove.
12749 (cleanup_loop_iter_dom): Remove.
12750 (build_loop_iteration_domains): Remove.
12751 (build_scop_context): Remove.
12752 (build_scop_iteration_domain): Remove.
12753 (add_loop_constraints): New.
12754 (build_iteration_domains): New.
12755 (build_poly_scop): Call build_iteration_domains.
12757 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
12758 Sebastian Pop <s.pop@samsung.com>
12760 * graphite-scop-detection.c
12761 (scop_detection::harmful_loop_in_region): Free dom and loops.
12762 (scop_detection::loop_body_is_valid_scop): Free bbs.
12764 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
12765 Sebastian Pop <s.pop@samsung.com>
12767 * graphite-scop-detection.c (record_loop_in_sese): New.
12768 (gather_bbs::before_dom_children): Call record_loop_in_sese.
12769 (build_scops): Remove call to build_sese_loop_nests.
12770 * sese.c (sese_record_loop): Remove.
12771 (build_sese_loop_nests): Remove.
12772 (new_sese_info): Remove region->loops.
12773 (free_sese_info): Same.
12774 * sese.h (sese_contains_loop): Same.
12775 (build_sese_loop_nests): Remove.
12776 (sese_contains_loop): Remove.
12778 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
12779 Sebastian Pop <s.pop@samsung.com>
12781 * graphite-scop-detection.c (loop_is_valid_scop): Renamed
12782 loop_is_valid_in_scop.
12783 (scop_detection::harmful_stmt_in_region): Renamed
12784 harmful_loop_in_region.
12785 Call loop_is_valid_in_scop.
12787 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
12788 Sebastian Pop <s.pop@samsung.com>
12790 * graphite-isl-ast-to-gimple.c (translate_isl_ast): Also handle
12793 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
12794 Sebastian Pop <s.pop@samsung.com>
12796 * graphite-poly.c (new_poly_bb): Remove use of PBB_IS_REDUCTION.
12797 * graphite.h (struct poly_bb): Remove field is_reduction.
12798 (PBB_IS_REDUCTION): Remove.
12800 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
12801 Sebastian Pop <s.pop@samsung.com>
12803 * graphite-dependences.c (constrain_domain): Add call to isl_*_coalesce.
12804 (add_pdr_constraints): Same.
12805 (scop_get_reads): Same.
12806 (scop_get_must_writes): Same.
12807 (scop_get_may_writes): Same.
12808 (scop_get_original_schedule): Same.
12809 (extend_schedule): Same.
12810 (apply_schedule_on_deps): Same.
12811 (carries_deps): Same.
12812 (compute_deps): Same.
12813 (scop_get_dependences): Same.
12814 * graphite-isl-ast-to-gimple.c
12815 (translate_isl_ast_to_gimple::generate_isl_schedule): Same.
12816 * graphite-optimize-isl.c (get_schedule_for_band): Same.
12817 (get_schedule_for_band_list): Same.
12818 (get_schedule_map): Same.
12819 (apply_schedule_map_to_scop): Same.
12820 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
12821 (build_loop_iteration_domains): Same.
12822 (add_condition_to_pbb): Same.
12823 (add_param_constraints): Same.
12824 (pdr_add_memory_accesses): Same.
12825 (pdr_add_data_dimensions): Same.
12827 2016-01-20 Sandra Loosemore <sandra@codesourcery.com>
12829 * doc/invoke.texi (Instrumentation Options): Clarify -mmpx linking
12832 2016-01-20 Sandra Loosemore <sandra@codesourcery.com>
12834 * common.opt (feliminate-dwarf2-dups): Replace references to
12835 "DWARF 2" with just "DWARF".
12836 * config/ia64/ia64.opt (mdwarf2-asm): Likewise.
12837 * doc/extend.texi: Likewise.
12838 * doc/cpp.texi: Likewise.
12839 * doc/invoke.texi: Likewise.
12840 (Option Summary): Add -gdwarf to list of Debugging Options.
12841 (Debugging Options): Document -gdwarf.
12842 * doc/contrib.texi: Spell "DWARF" like that.
12844 2016-01-21 Jakub Jelinek <jakub@redhat.com>
12846 * omp-low.c (expand_omp_target): Avoid -Wmaybe-uninitialized
12847 warning. Fix up formatting.
12849 PR middle-end/67653
12850 * gimplify.c (gimplify_asm_expr): Warn if it is too late to
12851 attempt to mark memory input operand addressable and
12852 call prepare_gimple_addressable in that case. Don't adjust
12853 input_location for diagnostics, use error_at instead.
12855 2016-01-20 Peter Bergner <bergner@vnet.ibm.com>
12857 * config/rs6000/ppc-auxv.h: New file.
12858 * config/rs6000/rs6000-builtin.def (cpu_init): Add new builtin.
12859 (cpu_is): Likewise.
12860 (cpu_supports): Likewise.
12861 * config/rs6000/rs6000.c: include "ppc-auxv.h".
12862 (cpu_is_info): New variable.
12863 (cpu_supports_info): Likewise.
12864 (tcb_verification_symbol): Likewise.
12865 (cpu_builtin_p): Likewise.
12866 (cpu_expand_builtin): New function.
12867 (rs6000_expand_ternop_builtin): Add support for CPU builtin functions.
12868 (rs6000_init_builtins): Likewise.
12869 (rs6000_elf_file_end): Emit HWCAP in TCB verification symbol.
12870 * config/rs6000/rs6000.h (TLS_REGNUM): New define.
12871 * configure.ac (gcc_cv_libc_provides_hwcap_in_tcb): New test.
12872 * configure: Regenerate.
12873 * config.in: Likewise.
12874 * doc/extend.texi (PowerPC Built-in Functions): Document
12875 __builtin_cpu_init, __builtin_cpu_is and __builtin_cpu_supports.
12877 2016-01-20 David Edelsohn <dje.gcc@gmail.com>
12880 * config/rs6000/rs6000.c (rs6000_emit_swsqrt): Add vector sqrt
12882 * config/rs6000/vector.md (sqrt<mode>2): Call rs6000_emit_swsqrt
12885 2016-01-20 Richard Henderson <rth@redhat.com>
12891 * tree.c (tm_define_builtin): New.
12892 (find_tm_vector_type): New.
12893 (build_tm_vector_builtins): New.
12894 (build_common_builtin_nodes): Call it.
12896 2016-01-20 Christophe Lyon <christophe.lyon@linaro.org>
12898 * doc/sourcebuild.texi (arm_crypto_pragma_ok): Document new entry.
12899 (arm_fp_ok): Likewise.
12900 (arm_fp): Likewise.
12901 (arm_crypto): Likewise.
12903 2016-01-20 Ilya Enkovich <enkovich.gnu@gmail.com>
12904 Richard Biener <rguenther@suse.de>
12906 PR tree-optimization/69328
12907 * tree-vect-stmts.c (vect_is_simple_cond): Check compared
12908 vectors have same number of elements.
12909 (vectorizable_condition): Fix masked version recognition.
12911 2016-01-20 Richard Biener <rguenther@suse.de>
12913 PR tree-optimization/69345
12914 * tree-ssa-sccvn.h (VN_INFO_RANGE_INFO): New inline function.
12915 (VN_INFO_PTR_INFO): Likewise.
12916 * tree-ssa-sccvn.c (set_ssa_val_to): Avoid clearing points-to
12917 info when it is equal between non-dominating SSA names.
12918 * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
12919 Make sure to look at original SSA infos.
12921 2016-01-20 Jeff Law <law@redhat.com>
12924 * config/m68k/predicates.md (pow2_m1_operand): New predicate
12926 (reg_or_pow2_m1_operand): Call pow2_m1_operand.
12927 (pc_or_label_operand): New predicate.
12928 * config/m68k/m68k.md: Add new peephole2 patterns for GTU/LEU
12929 tests for small integers that are 2^n - 1.
12931 2016-01-20 Jonathan Wakely <jwakely@redhat.com>
12933 * doc/invoke.texi (Options Summary): Add '.' after @xref.
12935 2016-01-19 Jeff Law <law@redhat.com>
12937 PR middle-end/69347
12938 * tree-ssa-threadbackwards.c
12939 (fsm_find_control_statement_thread_paths): Do not try to lookup
12940 FSM paths for SSA_NAMEs appearing in abnormal PHIs.
12942 2016-01-20 Kugan Vivekanandarajah <kuganv@linaro.org>
12944 * doc/lto.texi: Remove text that says only Gold has linker plugin
12947 2016-01-19 Eric Botcazou <ebotcazou@adacore.com>
12949 * dwarf2out.c (need_endianity_attribute_p): New inline predicate.
12950 (base_type_die): Add REVERSE parameter and attach DW_AT_endianity to
12951 the DIE accordingly.
12952 (modified_type_die): Add REVERSE parameter and pass it recursively,
12953 as well as to base_type_die. Adjust presence check accordingly.
12954 (base_type_for_mode): Adjust call to modified_type_die.
12955 (add_type_attribute): Add REVERSE parameter and pass it to
12957 (generic_parameter_die): Adjust call to add_type_attribute.
12958 (add_scalar_info): Likewise.
12959 (add_subscript_info): Likewise.
12960 (gen_array_type_die): Likewise.
12961 (gen_descr_array_type_die): Likewise.
12962 (gen_entry_point_die): Likewise.
12963 (gen_enumeration_type_die): Likewise.
12964 (gen_formal_parameter_die): Likewise.
12965 (gen_subprogram_die): Likewise.
12966 (gen_variable_die ): Likewise.
12967 (gen_const_die): Likewise.
12968 (gen_field_die): Likewise.
12969 (gen_pointer_type_die): Likewise.
12970 (gen_reference_type_die): Likewise.
12971 (gen_ptr_to_mbr_type_die): Likewise.
12972 (gen_inheritance_die): Likewise.
12973 (gen_subroutine_type_die): Likewise.
12974 (gen_typedef_die): Likewise.
12975 (force_type_die): Adjust call to modified_type_die.
12977 2016-01-19 Sandra Loosemore <sandra@codesourcery.com>
12979 * doc/standards.texi: Copy-editing for grammar, markup, and sentence
12980 flow throughout the file. Fix broken link to Objective-C 2.0
12982 * doc/invoke.texi: More copy-editing; fix numerous typos and spelling
12985 2016-01-19 Wilco Dijkstra <wdijkstr@arm.com>
12987 * ccmp.c (expand_ccmp_expr_1): Avoid spurious unused warnings.
12989 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
12992 * ipa-devirt.c (is_cxa_pure_virtual_p): New function.
12993 (maybe_record_node): Record cxa_pure_virtual as the only possible
12994 target if there are not ohter candidates.
12995 (possible_polymorphic_call_target_p): Accept cxa_pure_virtual.
12997 2016-01-19 Richard Biener <rguenther@suse.de>
12999 * hsa-gen.c (get_memory_order_name): Use MEMMODEL_ constants.
13000 (get_memory_order): Likewise.
13002 2016-01-19 Kirill Yukhin <kirill.yukhin@intel.com>
13004 * tree-vect-stmts.c (vectorizable_store): Check
13007 2016-01-19 David Malcolm <dmalcolm@redhat.com>
13010 * gcc.c (driver::decode_argv): Add call to
13011 init_opts_obstack before init_options_struct.
13012 * opts.c (init_opts_obstack): Remove idempotency.
13013 (init_options_struct): Replace call to init_opts_obstack
13014 with a gcc_assert to verify that it has already been called.
13015 * toplev.c (toplev::main): Add call to init_opts_obstack before
13016 calls to init_options_struct.
13017 (toplev::finalize): Move cleanup of opts_obstack next to
13018 cleanup of save_decoded_options, clearing the latter, and
13019 save_decoded_options_count.
13021 2016-01-19 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13024 * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Set "conds"
13025 attribute to unconditional. Remove %? from output template.
13027 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
13028 Jiong Wang <jiong.wang@arm.com>
13030 * ccmp.c (expand_ccmp_expr_1): Cost the instruction sequences
13031 generated from different expand order.
13033 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
13035 * /config/aarch64/aarch64.c (aarch64_if_then_else_costs):
13036 Add support for CCMP costing.
13038 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
13040 * ccmp.c (ccmp_candidate_p): Remove integer-only restriction.
13041 * config/aarch64/aarch64.md (fccmp<mode>): New pattern.
13042 (fccmpe<mode>): Likewise.
13043 (fcmp): Rename to fcmp and globalize pattern.
13045 * config/aarch64/aarch64.c (aarch64_gen_ccmp_first): Add FP support.
13046 (aarch64_gen_ccmp_next): Add FP support.
13048 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
13050 * target.def (gen_ccmp_first): Update documentation.
13051 (gen_ccmp_next): Likewise.
13052 * doc/tm.texi (gen_ccmp_first): Update documentation.
13053 (gen_ccmp_next): Likewise.
13054 * ccmp.c (expand_ccmp_expr): Extract cmp_code from return value of
13055 expand_ccmp_expr_1. Improve comments.
13056 * config/aarch64/aarch64.md (ccmp_and): Use if_then_else for ccmp.
13057 (ccmp_ior<mode>): Remove pattern.
13058 (cmp<mode>): Remove expand.
13059 (cmp): Globalize pattern.
13060 (cstorecc4): Use cc_register.
13061 (mov<mode>cc): Remove ccmp_cc_register check.
13062 * config/aarch64/aarch64.c (aarch64_get_condition_code_1):
13063 Simplify after removal of CC_DNE/* modes.
13064 (aarch64_ccmp_mode_to_code): Remove.
13065 (aarch64_print_operand): Remove 'K' case. Merge 'm' and 'M' cases.
13066 In 'k' case use integer as condition.
13067 (aarch64_nzcv_codes): Remove inverted cases.
13068 (aarch64_code_to_ccmode): Remove.
13069 (aarch64_gen_ccmp_first): Use cmp pattern directly. Return the correct
13070 comparison with CC register to be used in folowing CCMP/branch/CSEL.
13071 (aarch64_gen_ccmp_next): Use previous comparison and mode in CCMP
13072 pattern. Return the comparison with CC register. Invert conditions
13073 when bitcode is OR.
13074 * config/aarch64/aarch64-modes.def: Remove CC_DNE/* modes.
13075 * config/aarch64/predicates.md (ccmp_cc_register): Remove.
13077 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
13079 * cgraphunit.c (cgraph_node::reset): Clear thunk info and
13080 instrumented_version.
13082 2016-01-19 Richard Biener <rguenther@suse.de>
13084 PR tree-optimization/69336
13085 * tree-ssa-scopedtables.c (avail_expr_hash): Handle all
13086 handled components with get_ref_base_and_extent.
13087 (equal_mem_array_ref_p): Adjust.
13089 2016-01-19 Jakub Jelinek <jakub@redhat.com>
13092 * shrink-wrap.c: Include valtrack.h.
13093 (move_insn_for_shrink_wrap): Add DEBUG argument. If
13094 MAY_HAVE_DEBUG_INSNS, call dead_debug_add on DEBUG_INSNs
13095 in between insn and where it will be moved to. Call
13096 dead_debug_insert_temp.
13097 (prepare_shrink_wrap): Adjust caller. Call dead_debug_local_init
13098 first and dead_debug_local_finish at the end.
13099 For uses and defs bitmap, handle all regs in between REGNO and
13100 END_REGNO, not just the first one.
13102 2016-01-19 Richard Biener <rguenther@suse.de>
13104 PR tree-optimization/69352
13105 * tree-ssa-scopedtables.c (avail_expr_hash): Check for size == -1.
13106 (equal_mem_array_ref_p): Constrain size and max size properly.
13107 Compare the reverse flag.
13109 2016-01-19 Bernd Schmidt <bschmidt@redhat.com>
13111 * ira.c (ira): Update regstat data if we deleted insns.
13113 2016-01-19 Jakub Jelinek <jakub@redhat.com>
13115 PR rtl-optimization/68955
13116 PR rtl-optimization/64557
13117 * dse.c (record_store, check_mem_read_rtx): Don't call get_addr
13118 here. Fix up formatting.
13119 * alias.c (get_addr): Handle VALUE +/- CONST_SCALAR_INT_P.
13121 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
13124 * cgraphunit.c (cgraph_node::expand_thunk): When forcing gimple
13125 assume that the node has body.
13126 * cgraph.c (cgraph_node::get_untransformed_body): Use gimple_body_p
13129 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
13131 * lto-streamer-out.c (lto_output): Do not stream instrumentation
13134 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
13136 * symtab.c (symtab_node::asm_name): Do not call printable name directly.
13137 (symtab_node::name): Report name as unnamed if DECL_NAME is not set.
13139 2016-01-19 Martin Jambor <mjambor@suse.cz>
13140 Martin Liska <mliska@suse.cz>
13141 Michael Matz <matz@suse.de>
13143 * Makefile.in (OBJS): Add new source files.
13144 (GTFILES): Add hsa.c.
13145 * common.opt (disable_hsa): New variable.
13146 (-Whsa): New warning.
13147 * config.in (ENABLE_HSA): New.
13148 * configure.ac: Treat hsa differently from other accelerators.
13149 (OFFLOAD_TARGETS): Define ENABLE_OFFLOADING according to
13150 $enable_offloading.
13151 (ENABLE_HSA): Define ENABLE_HSA according to $enable_hsa.
13152 * doc/install.texi (Configuration): Document --with-hsa-runtime,
13153 --with-hsa-runtime-include, --with-hsa-runtime-lib and
13154 --with-hsa-kmt-lib.
13155 * doc/invoke.texi (-Whsa): Document.
13156 (hsa-gen-debug-stores): Likewise.
13157 * lto-wrapper.c (compile_images_for_offload_targets): Do not attempt
13158 to invoke offload compiler for hsa acclerator.
13159 * opts.c (common_handle_option): Determine whether HSA offloading
13160 should be performed.
13161 * params.def (PARAM_HSA_GEN_DEBUG_STORES): New parameter.
13162 * builtin-types.def (BT_FN_VOID_UINT_PTR_INT_PTR): New.
13163 (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_INT_INT): Removed.
13164 (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): New.
13165 * gimple-low.c (lower_stmt): Also handle GIMPLE_OMP_GRID_BODY.
13166 * gimple-pretty-print.c (dump_gimple_omp_for): Also handle
13167 GF_OMP_FOR_KIND_GRID_LOOP.
13168 (dump_gimple_omp_block): Also handle GIMPLE_OMP_GRID_BODY.
13169 (pp_gimple_stmt_1): Likewise.
13170 * gimple-walk.c (walk_gimple_stmt): Likewise.
13171 * gimple.c (gimple_build_omp_grid_body): New function.
13172 (gimple_copy): Also handle GIMPLE_OMP_GRID_BODY.
13173 * gimple.def (GIMPLE_OMP_GRID_BODY): New.
13174 * gimple.h (enum gf_mask): Added GF_OMP_PARALLEL_GRID_PHONY,
13175 GF_OMP_FOR_KIND_GRID_LOOP, GF_OMP_FOR_GRID_PHONY and
13176 GF_OMP_TEAMS_GRID_PHONY.
13177 (gimple_statement_omp_single_layout): Updated comments.
13178 (gimple_build_omp_grid_body): New function.
13179 (gimple_has_substatements): Also handle GIMPLE_OMP_GRID_BODY.
13180 (gimple_omp_for_grid_phony): New function.
13181 (gimple_omp_for_set_grid_phony): Likewise.
13182 (gimple_omp_parallel_grid_phony): Likewise.
13183 (gimple_omp_parallel_set_grid_phony): Likewise.
13184 (gimple_omp_teams_grid_phony): Likewise.
13185 (gimple_omp_teams_set_grid_phony): Likewise.
13186 (gimple_return_set_retbnd): Also handle GIMPLE_OMP_GRID_BODY.
13187 * omp-builtins.def (BUILT_IN_GOMP_OFFLOAD_REGISTER): New.
13188 (BUILT_IN_GOMP_OFFLOAD_UNREGISTER): Likewise.
13189 (BUILT_IN_GOMP_TARGET): Updated type.
13190 * omp-low.c: Include symbol-summary.h, hsa.h and params.h.
13191 (adjust_for_condition): New function.
13192 (get_omp_for_step_from_incr): Likewise.
13193 (extract_omp_for_data): Moved parts to adjust_for_condition and
13194 get_omp_for_step_from_incr.
13195 (build_outer_var_ref): Handle GIMPLE_OMP_GRID_BODY.
13196 (fixup_child_record_type): Bail out if receiver_decl is NULL.
13197 (scan_sharing_clauses): Handle OMP_CLAUSE__GRIDDIM_.
13198 (scan_omp_parallel): Do not create child functions for phony
13200 (check_omp_nesting_restrictions): Handle GIMPLE_OMP_GRID_BODY.
13201 (scan_omp_1_op): Checking assert we are not remapping to
13202 ERROR_MARK. Also also handle GIMPLE_OMP_GRID_BODY.
13203 (parallel_needs_hsa_kernel_p): New function.
13204 (expand_parallel_call): Register apprpriate parallel child
13205 functions as HSA kernels.
13206 (grid_launch_attributes_trees): New type.
13207 (grid_attr_trees): New variable.
13208 (grid_create_kernel_launch_attr_types): New function.
13209 (grid_insert_store_range_dim): Likewise.
13210 (grid_get_kernel_launch_attributes): Likewise.
13211 (get_target_argument_identifier_1): Likewise.
13212 (get_target_argument_identifier): Likewise.
13213 (get_target_argument_value): Likewise.
13214 (push_target_argument_according_to_value): Likewise.
13215 (get_target_arguments): Likewise.
13216 (expand_omp_target): Call get_target_arguments instead of looking
13217 up for teams and thread limit.
13218 (grid_expand_omp_for_loop): New function.
13219 (grid_arg_decl_map): New type.
13220 (grid_remap_kernel_arg_accesses): New function.
13221 (grid_expand_target_kernel_body): New function.
13222 (expand_omp): Call it.
13223 (lower_omp_for): Do not emit phony constructs.
13224 (lower_omp_taskreg): Do not emit phony constructs but create for them
13225 a temporary variable receiver_decl.
13226 (lower_omp_taskreg): Do not emit phony constructs.
13227 (lower_omp_teams): Likewise.
13228 (lower_omp_grid_body): New function.
13229 (lower_omp_1): Call it.
13230 (grid_reg_assignment_to_local_var_p): New function.
13231 (grid_seq_only_contains_local_assignments): Likewise.
13232 (grid_find_single_omp_among_assignments_1): Likewise.
13233 (grid_find_single_omp_among_assignments): Likewise.
13234 (grid_find_ungridifiable_statement): Likewise.
13235 (grid_target_follows_gridifiable_pattern): Likewise.
13236 (grid_remap_prebody_decls): Likewise.
13237 (grid_copy_leading_local_assignments): Likewise.
13238 (grid_process_kernel_body_copy): Likewise.
13239 (grid_attempt_target_gridification): Likewise.
13240 (grid_gridify_all_targets_stmt): Likewise.
13241 (grid_gridify_all_targets): Likewise.
13242 (execute_lower_omp): Call grid_gridify_all_targets.
13243 (make_gimple_omp_edges): Handle GIMPLE_OMP_GRID_BODY.
13244 * tree-core.h (omp_clause_code): Added OMP_CLAUSE__GRIDDIM_.
13245 (tree_omp_clause): Added union field dimension.
13246 * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__GRIDDIM_.
13247 * tree.c (omp_clause_num_ops): Added number of arguments of
13248 OMP_CLAUSE__GRIDDIM_.
13249 (omp_clause_code_name): Added name of OMP_CLAUSE__GRIDDIM_.
13250 (walk_tree_1): Handle OMP_CLAUSE__GRIDDIM_.
13251 * tree.h (OMP_CLAUSE_GRIDDIM_DIMENSION): New.
13252 (OMP_CLAUSE_SET_GRIDDIM_DIMENSION): Likewise.
13253 (OMP_CLAUSE_GRIDDIM_SIZE): Likewise.
13254 (OMP_CLAUSE_GRIDDIM_GROUP): Likewise.
13255 * passes.def: Schedule pass_ipa_hsa and pass_gen_hsail.
13256 * tree-pass.h (make_pass_gen_hsail): Declare.
13257 (make_pass_ipa_hsa): Likewise.
13258 * ipa-hsa.c: New file.
13259 * lto-section-in.c (lto_section_name): Add hsa section name.
13260 * lto-streamer.h (lto_section_type): Add hsa section.
13261 * timevar.def (TV_IPA_HSA): New.
13262 * hsa-brig-format.h: New file.
13263 * hsa-brig.c: New file.
13264 * hsa-dump.c: Likewise.
13265 * hsa-gen.c: Likewise.
13268 * toplev.c (compile_file): Call hsa_output_brig.
13269 * hsa-regalloc.c: New file.
13271 2016-01-18 Jeff Law <law@redhat.com>
13273 PR tree-optimization/69320
13274 * tree-ssa-dom.c (record_edge_info): For comparisons against a boolean
13275 ranged object, do nothing if the RHS constant is not [0..1].
13276 (optimize_stmt): Comparing a boolean ranged object against a
13277 constant outside [0..1] results in a compile-time constant.
13279 * tree-ssanames.c (ssa_name_has_boolean_range): Remove unnecessary
13282 2016-01-18 Sandra Loosemore <sandra@codesourcery.com>
13284 * doc/invoke.texi (Invoking GCC): Add new section to menu.
13285 (Option Summary): Update to reflect new section and moved options.
13286 (C++ Dialect Options): Move -fstats to new section.
13287 (Debugging Options): Move all dump, statistics, and other GCC
13288 developer options to new section. Rewrite section introduction
13289 and re-order remaining options to put the more basic ones first.
13290 (Optimization Options): Move -fira-verbose and -flto-report* to
13292 (Developer Options): New section incorporating moved options.
13293 * doc/cppopts.texi (-dM): Update cross-reference.
13295 2016-01-18 Richard Henderson <rth@redhat.com>
13298 * config/aarch64/aarch64.md (add<GPI>3): Move long immediate
13299 operands to pseudo only if CSE is expected. Split long immediate
13300 operands only after reload, and for the stack pointer.
13301 (*add<GPI>3_pluslong): Remove.
13302 (*addsi3_aarch64, *adddi3_aarch64): Merge into...
13303 (*add<GPI>3_aarch64): ... here. Add r/rk/Upl alternative.
13304 (*addsi3_aarch64_uxtw): Add r/rk/Upl alternative.
13305 (*add<GPI>3 peepholes): New.
13306 (*add<GPI>3 splitters): New.
13307 * config/aarch64/constraints.md (Upl): New.
13308 * config/aarch64/predicates.md (aarch64_pluslong_strict_immedate): New.
13310 2016-01-18 Richard Biener <rguenther@suse.de>
13312 PR tree-optimization/69297
13313 * tree-vect-slp.c (vect_bb_slp_scalar_cost): Count each scalar
13315 (vect_bb_vectorization_profitable_p): Clear visited flag again.
13317 2016-01-18 Yuri Rumyantsev <ysrumyan@gmail.com>
13319 PR middle-end/68542
13320 * fold-const.c (fold_binary_op_with_conditional_arg): Bail out for case
13321 of mixind vector and scalar types.
13322 (fold_relational_const): Add handling of vector
13323 comparison with boolean result.
13324 * tree-cfg.c (verify_gimple_comparison): Add argument CODE, allow
13325 comparison of vector operands with boolean result for EQ/NE only.
13326 (verify_gimple_assign_binary): Adjust call for verify_gimple_comparison.
13327 (verify_gimple_cond): Likewise.
13328 * tree-vrp.c (extract_code_and_val_from_cond_with_ops): Modify check on
13331 2016-01-18 Joseph Myers <joseph@codesourcery.com>
13333 * config/mips/mips.h (ISA_HAS_PAIRED_SINGLE): Require
13336 2016-01-18 Richard Biener <rguenther@suse.de>
13338 PR middle-end/69308
13339 * gimple.c (gimple_could_trap_p_1): Handle GIMPLE_COND.
13341 2016-01-18 Tom de Vries <tom@codesourcery.com>
13343 * passes.def: Add pass_parallelize_loops to pass_oacc_kernels.
13345 2016-01-18 Tom de Vries <tom@codesourcery.com>
13347 * omp-low.c (set_oacc_fn_attrib): Make extern.
13348 * omp-low.h (set_oacc_fn_attrib): Declare.
13349 * tree-parloops.c (struct reduction_info): Add reduc_addr field.
13350 (create_call_for_reduction_1): Handle case that reduc_addr is non-NULL.
13351 (create_parallel_loop, gen_parallel_loop, try_create_reduction_list):
13352 Add and handle function parameter oacc_kernels_p.
13353 (find_reduc_addr, get_omp_data_i_param): New function.
13354 (ref_conflicts_with_region, oacc_entry_exit_ok_1)
13355 (oacc_entry_exit_single_gang, oacc_entry_exit_ok): New function.
13356 (parallelize_loops): Add and handle function parameter oacc_kernels_p.
13357 Calculate dominance info. Skip loops that are not in a kernels region
13358 in oacc_kernels_p mode. Skip inner loops of parallelized loops.
13359 (pass_parallelize_loops::execute): Call parallelize_loops with
13360 oacc_kernels_p argument.
13361 (pass_parallelize_loops::clone, pass_parallelize_loops::set_pass_param):
13362 New member function.
13363 (pass_parallelize_loops::bool oacc_kernels_p): New member var.
13364 * passes.def: Add argument to pass_parallelize_loops instantation.
13366 2016-01-18 Tom de Vries <tom@codesourcery.com>
13368 * tree-parloops.c (pass_parallelize_loops::execute): Allow
13369 pass_parallelize_loops to be run outside the loop pipeline.
13371 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
13373 * tree-scalar-evolution.c (follow_copies_to_constant): New.
13374 (analyze_initial_condition, analyze_scalar_evolution_1): Call previous.
13376 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
13379 * tree-ssa-scopedtables.c (avail_expr_hash): Hash MEM_REF and ARRAY_REF
13380 using get_ref_base_and_extent.
13381 (equal_mem_array_ref_p): New.
13382 (hashable_expr_equal_p): Add call to previous.
13384 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
13387 * tree-sra.c (disqualified_constants, constant_decl_p): New.
13388 (sra_initialize): Allocate disqualified_constants.
13389 (sra_deinitialize): Free disqualified_constants.
13390 (disqualify_candidate): Update disqualified_constants when appropriate.
13391 (create_access): Scan for constant-pool entries as we go along.
13392 (scalarizable_type_p): Add check against type_contains_placeholder_p.
13393 (maybe_add_sra_candidate): Allow constant-pool entries.
13394 (load_assign_lhs_subreplacements): Bind debug for constant pool vars.
13395 (initialize_constant_pool_replacements): New.
13396 (sra_modify_assign): Avoid mangling assignments created by previous,
13397 and don't generate writes into constant pool.
13398 (sra_modify_function_body): Call initialize_constant_pool_replacements.
13400 2016-01-18 Ilya Enkovich <enkovich.gnu@gmail.com>
13402 * config/i386/i386.c (scalar_to_vector_candidate_p): Support
13403 andnot instruction.
13404 (scalar_chain::convert_op): Likewise.
13405 * config/i386/i386.md (*andndi3_doubleword): New.
13407 2016-01-18 Richard Biener <rguenther@suse.de>
13409 PR tree-optimization/69170
13410 * tree-vect-slp.c (vect_build_slp_tree): Verify we are not
13411 building a vector from scalar results of a pattern stmt.
13413 2016-01-18 Jakub Jelinek <jakub@redhat.com>
13415 * haifa-sched.c (autopref_multipass_init): Work around
13416 -Wmaybe-uninitialized warning.
13418 2016-01-18 Thomas Preud'homme <thomas.preudhomme@arm.com>
13420 * config/arm/arm.c (thumb1_reorg): Check that the comparison is
13421 against the constant 0.
13423 2016-01-17 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
13425 PR tree-optimization/68799
13426 * gimple-ssa-strength-reduction.c (create_phi_basis): Directly
13427 look up phi candidates in the statement-candidate map.
13428 (phi_add_costs): Likewise.
13429 (record_phi_increments): Likewise.
13430 (phi_incr_cost): Likewise.
13431 (ncd_with_phi): Likewise.
13432 (all_phi_incrs_profitable): Likewise.
13434 2016-01-17 Jakub Jelinek <jakub@redhat.com>
13436 * omp-low.c (mark_loops_in_oacc_kernels_region): Work around
13437 -Wmaybe-uninitialized warning.
13439 2016-01-16 Sandra Loosemore <sandra@codesourcery.com>
13441 * doc/invoke.texi (Invoking GCC): Add new section to menu.
13442 (Option Summary): Update to reflect new section and moved options.
13443 (C++ Dialect Options): Move -fvtable-verify and related options.
13444 (Debugging Options): Move Sanitizer, Pointer Bounds Checker,
13445 and profiling-related options.
13446 (Optimization Options): Move profile generation options and
13447 -fstack-protector and related options.
13448 (Instrumentation Options): New section incorporating moved options.
13449 (Code Generation Options): Move -finstrument-functions and
13450 related options, -fstack-check, -fstack-limit*, and -fbounds-check.
13452 2016-01-16 Tom de Vries <tom@codesourcery.com>
13454 * passes.def: Move pass_expand_omp_ssa out of pass_parallelize_loops.
13456 2016-01-16 Tom de Vries <tom@codesourcery.com>
13458 * omp-low.c (expand_omp_atomic_fetch_op): Release defs of update stmt.
13460 2016-01-16 Richard Sandiford <richard.sandiford@arm.com>
13462 * hash-table.h (hash_table::empty): Turn into an inline wrapper
13463 that checks whether the table is already empty. Rename the
13464 original implementation to...
13465 (hash_table::empty_slot): ...this new private function.
13467 2016-01-15 David Malcolm <dmalcolm@redhat.com>
13469 PR diagnostic/68899
13470 * diagnostic-show-locus.c (layout::print_source_line): Move x
13471 offset of line until after call to
13472 get_line_width_without_trailing_whitespace.
13474 2016-01-15 Jeff Law <law@redhat.com>
13476 PR tree-optimization/69270
13477 * tree-ssanames.c (ssa_name_has_boolean_range): Moved here from
13478 tree-ssa-dom.c. Improve test for [0..1] ranve from VRP.
13479 * tree-ssa-dom.c (ssa_name_has_boolean_range): Remove.
13480 * tree-ssanames.h (ssa_name_has_boolean_range): Prototype.
13481 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
13482 ssa_name_has_boolean_range and constant_boolean_node.
13484 2016-01-15 Vladimir Makarov <vmakarov@redhat.com>
13486 PR rtl-optimization/69030
13487 * lra-spills.c (remove_pseudos): Check nrefs and make the function
13489 (spill_pseudos): Delete debug insn for dead pseudo.
13490 (lra_spill): Initiate spill_hard_reg and slots memory separately.
13492 2016-01-15 Jiong Wang <jiong.wang@arm.com>
13494 * config/aarch64/aarch64-builtins.c (aarch64_types_unopus_qualifiers):
13496 (TYPES_UNOPUS): Likewise.
13497 * config/aarch64/aarch64-simd-builtins.def (lbtruncuv2sf): Correct
13498 builtin type, from UNOP to UNOPUS.
13499 (lbtruncuv4sf): Likewise.
13500 (lbtruncuv2df): Likewise.
13501 (lrounduv2sf): Likewise.
13502 (lrounduv4sf): Likewise.
13503 (lrounduv2df): Likewise.
13504 (lroundusf): Likewise.
13505 (lroundusf): Likewise.
13506 (lceiluv2sf): Likewise.
13507 (lceiluv4sf): Likewise.
13508 (lceiluv2df): Likewise.
13509 (lceilusf): Likewise.
13510 (lceiludf): Likewise.
13511 (lflooruv2sf): Likewise.
13512 (lflooruv4sf): Likewise.
13513 (lflooruv2df): Likewise.
13514 (lfloorusf): Likewise.
13515 (lfloorudf): Likewise.
13516 (lfrintnuv2sf): Likewise.
13517 (lfrintnuv4sf): Likewise.
13518 (lfrintnuv2df): Likewise.
13519 (lfrintnusf): Likewise.
13520 (lfrintnudf): Likewise.
13521 * config/aarch64/arm_neon.h (vcvt_u32_f32): Remove unncessary type
13523 (vcvtq_u32_f32): Likewise.
13524 (vcvtq_u64_f64): Likewise.
13525 (vcvta_u32_f32): Likewise.
13526 (vcvtaq_u32_f32): Likewise.
13527 (vcvtaq_u64_f64): Likewise.
13528 (vcvtm_u32_f32): Likewise.
13529 (vcvtmq_u32_f32): Likewise.
13530 (vcvtmq_u64_f64): Likewise.
13531 (vcvtn_u32_f32): Likwise.
13532 (vcvtnq_u32_f32): Likewise.
13533 (vcvtnq_u64_f64): Likewise.
13534 (vcvtp_u32_f32): Likewise.
13535 (vcvtpq_u32_f32): Likewise.
13536 (vcvtpq_u64_f64): Likewise.
13537 (vcvtmd_u64_f64): Likewise.
13538 (vcvtms_u32_f32): Likewise.
13539 (vcvtad_u64_f64): Likewise.
13540 (vcvtas_u32_f32): Likewise.
13541 (vcvtnd_u64_f64): Likewise.
13542 (vcvtns_u32_f32): Likewise.
13543 (vcvtpd_u64_f64): Likewise.
13544 (vcvtps_u32_f32): Likewise.
13546 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13548 * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Handle
13549 CSEL of zero_extended registers.
13551 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13553 * config/aarch64/aarch64.c (aarch64_rtx_costs, COMPARE case):
13554 Handle COMPARE of ZERO_EXTRACT against zero form of TST-immediate.
13556 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13558 * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Return
13559 false when argument string is not found in the attributes table
13562 2016-01-15 David Edelsohn <dje.gcc@gmail.com>
13565 * config/rs6000/rs6000.c (rs6000_emit_msub): Delete.
13566 (rs6000_emit_swsqrt): Convert to Goldschmidt's Algorithm
13567 * config/rs6000/rs6000.md (sqrt<mode>2): Limit swsqrt to high
13568 precision estimate.
13570 2016-01-15 Richard Biener <rguenther@suse.de>
13572 PR tree-optimization/66856
13573 * tree-vect-loop.c (vect_transform_loop): Free SLP instances here.
13574 * tree-vect-slp.c (vect_free_slp_tree): Decrement stmt reference count.
13575 (vect_create_new_slp_node): Increment stmt reference count.
13576 (vect_get_and_check_slp_defs): Make sure stmts are nor already in
13577 an SLP tree before swapping operands.
13578 (vect_build_slp_tree): Likewise.
13579 (destroy_bb_vec_info): Free stmt info after SLP instances.
13580 * tree-vect-stmts.c (new_stmt_vec_info): Initialize reference count.
13581 * tree-vectorizer.h (struct _stmt_vec_info): Add num_slp_uses field.
13582 (STMT_VINFO_NUM_SLP_USES): New macro.
13584 2016-01-15 Richard Biener <rguenther@suse.de>
13587 * dwarf2out.c (add_linkage_name_raw): New function split out from ...
13588 (add_linkage_name): ... here.
13589 (gen_typedef_die): Use add_linkage_name_raw instead of
13590 add_linkage_attr to delay DECL_ASSEMBLER_NAME computation
13593 2016-01-15 Cesar Philippidis <cesar@codesourcery.com>
13595 * gimplify.c (oacc_default_clause): Decode reference and pointer
13596 types for both kernels and parallel regions.
13598 2016-01-15 Richard Sandiford <richard.sandiford@arm.com>
13600 PR middle-end/69246
13601 * calls.c (emit_call_1): Force n_popped to zero for sibcalls.
13603 2016-01-15 Ilya Enkovich <enkovich.gnu@gmail.com>
13605 * config/i386/i386.c (scalar_chain::compute_convert_gain): Fix typo.
13606 (convert_scalars_to_vector): Likewise.
13608 2016-01-15 Jonathan Wakely <jwakely@redhat.com>
13610 * doc/extend.texi (Type Traits): Fix grammar.
13612 2016-01-15 Martin Jambor <mjambor@suse.cz>
13614 * tree-inline.c (remap_decl): Use existing dclarations if
13615 remapping a type and prevent_decl_creation_for_types.
13616 (replace_locals_stmt): Do an initial remapping of non-VLA typed
13617 decls first. Do real remapping with
13618 prevent_decl_creation_for_types set.
13619 * tree-inline.h (copy_body_data): New field
13620 prevent_decl_creation_for_types, moved remap_var_for_cilk to avoid
13623 2016-01-15 Dominik Vogt <vogt@linux.vnet.ibm.com>
13625 * config/s390/s390.opt (mmvcle): More verbose help text.
13627 2016-01-15 Dominik Vogt <vogt@linux.vnet.ibm.com>
13629 * config/s390/s390.opt: Add period to -mzvector option text.
13631 2016-01-15 Richard Biener <rguenther@suse.de>
13633 PR tree-optimization/68961
13634 * tree-vect-slp.c (vect_analyze_slp_cost_1): Consider cost
13635 of invariants in stores again.
13637 2016-01-15 Sebastian Huber <sebastian.huber@embedded-brains.de>
13639 * config/arm/t-rtems: Add cortex-m7/fpv5-d16 multilib.
13641 2016-01-15 Ilya Enkovich <enkovich.gnu@gmail.com>
13643 * config/i386/i386.c (ix86_expand_branch): Don't split
13644 DI mode xor instruction to SI mode.
13646 2016-01-15 Jan Hubicka <hubicka@ucw.cz>
13649 * ipa-icf.c (sem_function::merge): Virtual functions may become
13650 reachable even if they address is not taken and there are no
13653 2016-01-15 Jan Hubicka <hubicka@ucw.cz>
13655 * lto-streamer-out.c (subtract_estimated_size): New function.
13656 (get_symbol_initial_value): Use it.
13658 2016-01-15 Christian Bruel <christian.bruel@st.com>
13661 * config/arm/arm-builtins.c (ARM_BUILTIN_CRYPTO_BASE): New enum tag.
13662 (arm_init_neon_builtins_internal): Rename arm_init_neon_builtins,
13663 (arm_init_crypto_builtins_internal): Rename arm_init_crypto_builtins.
13664 use add_builtin_function_ext_scope instead of add_builtin_function.
13665 (neon_set_p, neon_crypto_set_p): Remove.
13666 (arm_init_builtins): Always call arm_init_neon_builtins and
13667 arm_init_crypto_builtins.
13668 (arm_expand_builtin): Check that builtins are allowed for the arch.
13669 * config/arm/arm-protos.h (arm_init_neon_builtins): Remove prototype.
13670 * config/arm/arm.c (arm_valid_target_attribute_tree): Remove
13671 arm_init_neon_builtins call.
13673 2016-01-15 Richard Biener <rguenther@suse.de>
13675 PR tree-optimization/69117
13676 * tree-ssa-sccvn.h (struct vn_ssa_aux): Add info member.
13677 * tree-ssa-sccvn.c (set_ssa_val_to): Save and adjust SSA name info
13678 of the leader conservatively.
13679 (free_scc_vn): Restore original SSA name infos.
13681 2016-01-14 Jeff Law <law@redhat.com>
13683 PR tree-optimization/69270
13684 * tree-ssa-dom.c (ssa_name_has_boolean_range): If the type has a
13685 single bit of precision, verify it's also unsigned.
13686 (record_edge_info): Use constant_boolean_node rather than fold_convert
13687 to convert boolean_true/boolean_false to the right type.
13689 2016-01-14 Richard Henderson <rth@redhat.com>
13692 * loop-doloop.c (record_reg_sets): New.
13693 (doloop_optimize): Reject the transform if the sequence
13694 clobbers registers live at the end of the loop block.
13695 (doloop_optimize_loops): Enable df_live if needed.
13697 2016-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
13699 * config/rs6000/rs6000-builtin.def: Revert 2016-01-13 change.
13700 * config/rs6000/rs6000.c: Likewise.
13701 * config/rs6000/rs6000.h: Likewise.
13702 * config/rs6000/rs6000.md: Likewise.
13703 * doc/extend.texi: Likewsie.
13705 2016-01-14 Jeff Law <law@redhat.com>
13707 * tree-ssa-dom.c (ssa_name_has_boolean_range): Fix comment
13710 2016-01-14 Richard Henderson <rth@redhat.com>
13714 * trans-mem.c (tm_log_emit_stmt): Fix unit size to bit size.
13715 * tree.c (build_tm_vector_builtins): Use builtin_decl_explicit_p
13716 instead of builtin_decl_declared_p to test for declaration.
13718 2016-01-14 Nicklas Bo Jensen <nbjensen@gmail.com>
13720 * doc/loop.texi (Loop Analysis and Representation): Document
13721 loop_depth function.
13723 2016-01-14 Tom de Vries <tom@codesourcery.com>
13725 PR tree-optimization/68773
13726 * omp-low.c (expand_omp_target): Don't set force_output.
13727 * varpool.c (varpool_node::get_create): Same.
13728 * lto-cgraph.c (input_offload_tables): Mark entries in offload_vars and
13729 offload_funcs with force_output.
13731 2016-01-14 Jakub Jelinek <jakub@redhat.com>
13734 * lra-eliminations.c (move_plus_up): Don't change anything if either
13735 the outer or inner subreg mode is not MODE_INT.
13736 * dwarf2out.c (mem_loc_descriptor): For SUBREG, if outer mode is
13737 integral <= DWARF2_ADDR_SIZE, convert to untyped afterwards.
13739 2016-01-14 Alan Lawrence <alan.lawrence@arm.com>
13741 * doc/md.texi (reduc_smin_@var{m}, reduc_smax_@var{m},
13742 reduc_umin_@var{m}, reduc_umax_@var{m}, reduc_splus_@var{m},
13743 reduc_uplus_@var{m}): Remove.
13744 * expr.c (expand_expr_real_2): Remove expansion path for
13745 reduc_[us](min|max|plus) optabs.
13746 * optabs-tree.c (scalar_reduc_to_vector): Remove.
13747 * optabs-tree.h (scalar_reduc_to_vector): Remove.
13748 * optabs.def (reduc_smax_optab, reduc_smin_optab, reduc_splus_optab,
13749 reduc_umax_optab, reduc_umin_optab, reduc_uplus_optab): Remove.
13750 * tree-vect-loop.c (vectorizable_reduction): Remove test for
13751 reduc_[us](min|max|plus) optabs.
13753 2016-01-14 Alan Lawrence <alan.lawrence@arm.com>
13755 * config/mips/mips-ps-3d.md (reduc_splus_v2sf): Remove.
13756 (reduc_plus_scal_v2sf): New.
13757 (reduc_smax_v2sf): Rename to...
13758 (reduc_smax_scal_v2sf): ...here, make result SFmode, add vec_extract.
13759 (reduc_smin_v2sf): Rename to...
13760 (reduc_smin_scal_v2sf): ...here, make result SFmode, add vec_extract.
13762 2016-01-14 Jan Hubicka <hubicka@ucw.cz>
13764 * alias.c (compare_base_symbol_refs): New function.
13765 (rtx_equal_for_memref_p, base_alias_check, memrefs_conflict_p): Use
13768 2016-01-14 Jakub Jelinek <jakub@redhat.com>
13770 PR middle-end/68146
13771 PR tree-optimization/69155
13772 * tree-complex.c: Include cfganal.h.
13773 (phis_to_revisit): New variable.
13774 (extract_component): Add phiarg_p argument. Assert that returned
13775 SSA_NAME has non-NULL SSA_NAME_DEF_STMT unless phiarg_p is true.
13776 (update_phi_components): Partly rewrite to use loop over real/imag
13777 components instead of code duplication. If extract_component returns
13778 SSA_NAME with NULL SSA_NAME_DEF_STMT, store SSA_NAME_VAR or
13779 create_tmp_reg into the PHI node instead, and mention the phi triplet
13780 in phis_to_revisit.
13781 (tree_lower_complex): Walk bbs in rpo order. Adjust phis recorded
13782 in phis_to_revisit at the end.
13784 2016-01-14 Richard Biener <rguenther@suse.de>
13786 PR tree-optimization/68060
13787 * tree-vect-loop.c (vect_is_simple_reduction): Check the
13788 outer loop reduction is only used in the inner loop before
13789 detecting a double reduction.
13791 2016-01-14 Jakub Jelinek <jakub@redhat.com>
13794 * combine.c (expand_field_assignment): Punt if compute_mode is
13795 unsupported scalar mode.
13797 2016-01-14 Richard Biener <rguenther@suse.de>
13799 PR tree-optimization/66856
13800 * tree-vect-slp.c (vect_build_slp_tree): Refactor to build
13801 SLP node only if it built successfully.
13802 (vect_analyze_slp_instance): Adjust.
13804 2016-01-14 Jeff Law <law@redhat.com>
13806 PR tree-optimization/69270
13807 * tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
13808 (record_edge_info): Use it. Convert boolean_{true,false}_node
13809 to the type of op0.
13811 2016-01-13 Jan Hubicka <hubicka@ucw.cz>
13814 * ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p):
13815 use block_ultimate_origin
13816 (noncall-stmt_may_be_vtbl_ptr_store): Likewise.
13818 2016-01-13 Sandra Loosemore <sandra@codesourcery.com>
13820 * doc/invoke.texi (Submodel Options): Rename section to
13821 "Machine-Dependent Options" to better reflect its content.
13822 Rewrite introductory text to remove archaic CPU names.
13825 2016-01-13 Sandra Loosemore <sandra@codesourcery.com>
13827 * doc/invoke.texi (Code Gen Options): Move section up in file,
13828 before target-specific options. Update menu and option summary
13829 to reflect the new section ordering.
13831 2016-01-13 Jonathan Wakely <jwakely@redhat.com>
13833 * doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
13834 (C++ Dialect Options): Add cross-reference to -std option.
13835 * doc/standards.texi (C++ Language): Document C++14 support.
13837 2016-01-13 Michael Meissner <meissner@linux.vnet.ibm.com>
13839 * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): Add support
13840 for pack/unpack functions for __ibm128.
13841 (PACK_IF): Likewise.
13842 (UNPACK_IF): Likewise.
13844 * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
13845 support for __ibm128 pack/unpack functions.
13846 (rs6000_invalid_builtin): Likewise.
13847 (rs6000_init_builtins): Likewise.
13848 (rs6000_opt_masks): Likewise.
13850 * config/rs6000/rs6000.h (MASK_FLOAT128): Add short name.
13851 (RS6000_BTM_FLOAT128): Add support for __ibm128 pack/unpack
13853 (RS6000_BTM_COMMON): Likewise.
13855 * config/rs6000/rs6000.md (f128_vsx): New mode attribute.
13856 (unpack<mode>): Use FMOVE128_FPR iterator instead of FMOVE128, to
13857 disallow __builtin_{pack,unpack}_longdouble if long double is IEEE
13858 128-bit floating point. Add support for the double values to be
13859 in Altivec registers for TF/IF packing and unpacking, but restrict
13860 TD packing sub-fields to be FPR registers. Don't allow overlapped
13861 register support for packing. Allow pack inputs to be memory
13862 locations. Don't build generator functions for unpack<mode>_dm
13863 and unpack<mode>_nodm.
13864 (unpack<mode>_dm): Likewise.
13865 (unpack<mode>_nodm): Likewise.
13866 (pack<mode>): Likewise.
13868 * config/rs6000/rs6000-builtin.def (__builtin_pack_ibm128): Add
13869 built-in functions to pack/unpack explicit __ibm128 values.
13870 (__builtin_unpack_ibm128): Likewise.
13872 * doc/extend.texi (PowerPC Built-in Functions): Document
13873 __builtin_pack_ibm128 and __builtin_unpack_ibm128.
13875 2016-01-13 Bernd Schmidt <bschmidt@redhat.com>
13878 * c-common.c (check_function_nonnull): Remove unnecessary declaration.
13879 Add new arg loc and pass it down as context.
13880 (check_nonnull_arg): Don't mark ctx arg as unused. Use it as a pointer
13881 to the location to use for the warning.
13882 (check_function_arguments): New arg loc. All callers changed. Pass
13883 it to check_function_nonnull.
13884 * c-common.h (check_function_arguments): Adjust declaration.
13886 2016-01-13 Jakub Jelinek <jakub@redhat.com>
13888 PR tree-optimization/69156
13889 * gimple.c (validate_type): Removed.
13890 (gimple_builtin_call_types_compatible_p): Use
13891 useless_type_conversion_p instead of validate_type.
13892 * value-prof.c (gimple_stringop_fixed_value): Fold
13893 icall_size to correct type.
13895 2016-01-13 Jonathan Wakely <jwakely@redhat.com>
13897 * doc/extend.texi (__atomic Builtins): Clarify compare_exchange
13900 2016-01-13 Richard Henderson <rth@redhat.com>
13903 * target.def (builtin_tm_load, builtin_tm_store): Remove.
13904 * config/i386/i386.c (ix86_builtin_tm_load): Remove.
13905 (ix86_builtin_tm_store): Remove.
13906 (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
13907 (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
13908 * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
13909 (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
13910 * doc/tm.texi: Rebuild.
13912 * gtm-builtins.def (BUILT_IN_TM_MEMCPY_RNWT): New.
13913 (BUILT_IN_TM_MEMCPY_RTWN): New.
13914 * trans-mem.c (tm_log_emit_stmt): Rearrange code for better
13915 fallback from vector to integer helpers.
13916 (build_tm_load): Handle vector types directly, instead of
13918 (build_tm_store): Likewise.
13919 (expand_assign_tm): Prepare for register types not handled by
13920 the above. Copy them to memory and use memcpy.
13921 * tree.c (tm_define_builtin): New.
13922 (find_tm_vector_type): New.
13923 (build_tm_vector_builtins): New.
13924 (build_common_builtin_nodes): Call it.
13926 2016-01-13 Uros Bizjak <ubizjak@gmail.com>
13928 * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Return -1 for
13929 TARGET_SSE_MATH without TARGET_SSE2. Rewrite.
13931 2016-01-13 Tom de Vries <tom@codesourcery.com>
13933 PR tree-optimization/69169
13934 * tree-ssa-structalias.c (create_variable_info_for_1): Add and handle
13935 handled_struct_type param.
13936 (create_variable_info_for, intra_create_variable_infos): Call
13937 create_variable_info_for_1 with extra arg.
13939 2016-01-13 Yvan Roux <yvan.roux@linaro.org>
13941 * config/arm/arm-arches.def: Remove spurious whitespace in "armv8.1-a"
13942 and "armv8.1-a+crc" entries.
13944 2016-01-13 Alexander Fomin <alexander.fomin@intel.com>
13947 * config/i386/sse.md (define_expand "avx512pf_gatherpf<mode>sf"):
13948 Change first operand predicate from register_or_constm1_operand
13949 to register_operand.
13950 (define_expand "avx512pf_gatherpf<mode>df"): Likewise.
13951 (define_expand "avx512pf_scatterpf<mode>sf"): Likewise.
13952 (define_expand "avx512pf_scatterpf<mode>df"): Likewise.
13953 (define_insn "*avx512pf_gatherpf<mode>sf"): Remove.
13954 (define_insn "*avx512pf_gatherpf<mode>df"): Likewise.
13955 (define_insn "*avx512pf_scatterpf<mode>sf"): Likewise.
13956 (define_insn "*avx512pf_scatterpf<mode>df"): Likewise.
13957 * config/i386/i386.c (ix86_expand_builtin): Remove first operand
13958 comparison with constm1_rtx from vec_prefetch_gen part.
13960 2016-01-13 Richard Biener <rguenther@suse.de>
13962 PR tree-optimization/69013
13963 * tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths):
13964 Exchange assert for a test.
13966 2016-01-13 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
13969 * config/s390/s390.md (bswaphi splitter): Use simplify_gen_subreg.
13971 2016-01-13 Richard Biener <rguenther@suse.de>
13973 PR tree-optimization/69242
13974 * tree-ssa-sccvn.c (visit_reference_op_load): Replace bogus
13975 assert with a check.
13977 2016-01-13 Richard Biener <rguenther@suse.de>
13979 PR tree-optimization/69186
13980 * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
13981 Properly guard vect_update_misalignment_for_peel call.
13983 2016-01-12 Jeff Law <law@redhat.com>
13985 PR tree-optimization/pr67755
13986 * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add new field
13987 "need_profile_correction".
13988 (thread_block_1): Initialize new field to false by default. If we
13989 have multiple thread paths through a common joiner to different
13990 final targets, then set new field to true.
13991 (compute_path_counts): Only do count adjustment when it's really
13994 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
13996 * doc/invoke.texi (Spec Files): Move section down in file, past
13997 all command-line option descriptions.
13999 2016-01-12 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
14001 PR middle-end/54809
14002 * doc/gty.texi: Remove documentation of mark_hook.
14003 * gengtype.c (struct write_types_data): Remove code to support
14004 mark_hook attribute.
14005 (walk_type): Likewise.
14006 (write_func_for_structure): Likewise.
14008 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
14010 * doc/invoke.texi (Option Summary) Move -no-canonical-prefixes to
14011 Directory Options, and -specs= to Overall Options.
14012 (Overall Options): Adjust similarly. Reorder to group related
14013 options together. Make -specs= cross-reference the spec file details.
14014 (Directory Options): Adjust similarly.
14016 2016-01-12 Jeff Law <law@redhat.com>
14018 * tree-ssa-threadupdate.c: Various whitespace and typo fixes.
14020 2016-01-12 Olivier Hainque <hainque@adacore.com>
14022 * gcc.c (spec_undefvar_allowed): New global.
14023 (process_command): Set to true when running for --version or --help,
14025 (getenv_spec_function): When the variable is not defined, use the
14026 variable name as the variable value if we're allowed not to issue
14029 2016-01-12 Bin Cheng <bin.cheng@arm.com>
14031 PR tree-optimization/68911
14032 * tree-vrp.c (adjust_range_with_scev): Check overflow in range
14033 information computed for expression "init + nit * step".
14035 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
14037 * doc/invoke.texi (Invoking GCC): Copy-edit. Incorporate information
14038 about name of GCC executable. Remove deleted node from menu.
14039 (Directory Options) <-B>: Remove cross-reference to deleted node.
14040 (Target Options): Delete section.
14042 2016-01-12 Christian Bruel <christian.bruel@st.com>
14045 * config/arm/arm-c.c (arm_pragma_target_parse): Set NODE_CONDITIONAL
14046 for __ARM_NEON_FP, __ARM_FP, _ARM_FEATURE_LDREX.
14048 2016-01-12 Jakub Jelinek <jakub@redhat.com>
14051 * config/i386/i386.c (ix86_expand_special_args_builtin): Ensure
14052 aligned_mem is properly set for AVX512-VL floating point masked
14056 * ifcvt.c (cond_exec_process_if_block): When removing the last
14057 insn from then_bb, remove also any possible barriers that follow it.
14059 2016-01-12 H.J. Lu <hongjiu.lu@intel.com>
14063 * config/i386/iamcu.h (SIZE_TYPE): New macro.
14064 (PTRDIFF_TYPE): Likewise.
14065 (WCHAR_TYPE): Likewise.
14066 (WCHAR_TYPE_SIZE): Likewise.
14067 (STDINT_LONG32): Likewise.
14069 2016-01-12 Richard Biener <rguenther@suse.de>
14071 PR tree-optimization/69053
14072 * tree-vect-loop.c (get_initial_def_for_reduction): Properly
14073 convert initial value for cond reductions.
14075 2016-01-12 Richard Biener <rguenther@suse.de>
14077 PR tree-optimization/69007
14078 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Move
14079 widen_sum after dot_prod and sad.
14081 2016-01-12 Richard Biener <rguenther@suse.de>
14083 PR tree-optimization/69168
14084 * tree-vect-loop.c (vect_analyze_loop_2): Reset both main and
14085 pattern stmt SLP type.
14086 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Patterns may
14087 end up unused so cope with that case.
14089 2016-01-12 Richard Biener <rguenther@suse.de>
14091 PR tree-optimization/69157
14092 * tree-vect-stmts.c (vectorizable_mask_load_store): Check
14093 stmts def type only during analyze phase.
14094 (vectorizable_call): Likewise.
14095 (vectorizable_simd_clone_call): Likewise.
14096 (vectorizable_conversion): Likewise.
14097 (vectorizable_assignment): Likewise.
14098 (vectorizable_shift): Likewise.
14099 (vectorizable_operation): Likewise.
14100 (vectorizable_store): Likewise.
14101 (vectorizable_load): Likewise.
14103 2016-01-12 Richard Biener <rguenther@suse.de>
14105 PR tree-optimization/69174
14106 * tree-vect-stmts.c (vect_mark_relevant): Remove excessive vertical
14108 (vectorizable_load): Properly compute the number of loads needed
14109 for permuted strided SLP loads and do not spuriously assign
14110 to SLP_TREE_VEC_STMTS.
14112 2016-01-12 Andris Pavenis <andris.pavenis@iki.fi>
14114 * config/i386/djgpp.h (PREFERRED_DEBUGGING_TYPE): Define to DWARF2
14115 (TARGET_ASM_OUTPUT_IDENT): Define to default_asm_output_ident_directive
14116 (MD_EXEC_PREFIX): Remove.
14117 (MD_STARTFILE_PREFIX) Removee.
14118 (FILE_NAME_ABSOLUTE_P): Remove.
14119 (CPP_SPEC): Do not read macros from sys/version.h.
14120 (LINK_COMMAND_SPEC): Remove.
14121 (LOCAL_INCLUDE_DIR): Remove.
14122 (TARGET_ASM_NAMED_SECTION): Define to i386_djgpp_asm_named_section
14123 (TARGET_OS_CPP_BUILTINS): Add DJGPP (non ISO only), __DJGPP, __DJGPP__, unix.
14124 (POST_LINK_SPEC): Define to invoke stubify after linker
14125 (LIBSTDCXX): Remove define
14126 (DBX_REGISTER_NUMBER): Define to svr4_dbx_register_map.
14127 (DEFAULT_PCC_STRUCT_RETURN): Define to 1.
14128 (SUBTARGET_OVERRIDE_OPTIONS): Remove warning about -mbnu2210.
14129 (SUBTARGET_OVERRIDE_OPTIONS): Ignore -fPIC and generate message.
14130 (SUBTARGET_OVERRIDE_OPTIONS): Default to DWARF2 debugging info.
14131 (IX86_MAYBE_NO_LIBGCC_TFMODE): Remove.
14132 (i386_djgpp_asm_named_section): Add propotype of new procedure
14134 * config/i386/xm-djgpp.h (NATIVE_SYSTEM_HEADER_DIR): Define.
14135 (MD_EXEC_PREFIX): Define (moved from config/i386/djgpp.h).
14136 (STANDARD_STARTFILE_PREFIX_1): Define (moved from MD_STARTFILE_PREFIX
14137 in config/i386/djgpp.h).
14138 (STANDARD_STARTFILE_PREFIX_2): Define identical to
14139 STANDARD_STARTFILE_PREFIX_1.
14140 (LOCAL_INCLUDE_DIR): Define (moved from config/i386/djgpp.h).
14141 (GCC_DRIVER_HOST_INITIALIZATION): Fix reporting fatal
14142 installation errors.
14143 (MAX_OFILE_ALIGNMENT): Define to 128.
14144 (HAVE_FTW_H): Undefine as DJGPP do not have nftw, but have ftw.h.
14146 * config/i386/djgpp.c: New file. Add implementation of
14147 i386_djgpp_asm_named_section.
14149 * config/i386/djgpp.opt: Remove obsolete option -mbnu210.
14151 * config/i386/t-djgpp: New file. Add djgpp.o to EXTRA_OBJS.
14152 Add rule for building djgpp.o.
14154 2016-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
14156 * config/rs6000/rs6000.c (v2df_reduction_p): New function.
14157 (rtx_is_swappable_p): Reductions are swappable.
14158 (insn_is_swappable_p): V2DF reductions are swappable.
14160 2016-01-11 John David Anglin <danglin@gcc.gnu.org>
14162 * config/pa/pa.c (pa_emit_move_sequence): Handle floating point
14163 reloads for other unsupported memory operands.
14165 2016-01-12 Kugan Vivekanandarajah <kuganv@linaro.org>
14166 Jim Wilson <jim.wilson@linaro.org>
14169 * config/arm/arm-builtins.c (arm_expand_neon_args): Call
14170 copy_to_mode_reg instead of force_reg.
14172 2016-01-11 H.J. Lu <hongjiu.lu@intel.com>
14175 * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Set to 2 only if
14176 TARGET_80387 is true.
14178 2016-01-11 Jakub Jelinek <jakub@redhat.com>
14181 * lra-eliminations.c (move_plus_up): Only move plus up
14182 if subreg of the constant can be simplified into constant
14183 and use the simplified subreg of the constant instead of
14184 the original constant.
14186 * fold-const.c (fold_convertible_p): Don't return true
14187 for conversion of VECTOR_TYPE to same sized integral type.
14188 (fold_convert_loc): Fix up formatting. Fold conversion of
14189 VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
14190 instead of NOP_EXPR.
14192 PR tree-optimization/69214
14193 * tree-vrp.c (simplify_cond_using_ranges): Don't propagate
14194 innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
14197 PR tree-optimization/69207
14198 * tree-vect-slp.c (vect_get_constant_vectors): For
14199 VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of
14200 fold_convertible_p to vector_type's element type, and always
14201 use VCE for non-VECTOR_BOOLEAN_TYPE_P.
14203 2016-01-11 Richard Biener <rguenther@suse.de>
14205 PR tree-optimization/69173
14206 * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Only
14207 fixup the cycle if all stmts are in a pattern.
14209 2016-01-11 Uros Bizjak <ubizjak@gmail.com>
14211 PR middle-end/68999
14212 * alias.c (base_alias_check): Move check for addresses with
14213 alignment ANDs before the call for compare_base_decls.
14214 (memrefs_conflict_p): Return -1 for different decls
14215 that went through alignment adjustments.
14217 2016-01-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
14219 PR rtl-optimization/68796
14220 * config/aarch64/aarch64.md (*and<mode>_compare0): New pattern.
14221 * config/aarch64/aarch64.c (aarch64_select_cc_mode): Handle HImode
14222 and QImode comparisons against zero with CC_NZmode.
14223 * config/aarch64/iterators.md (short_mask): New mode_attr.
14225 2016-01-11 H.J. Lu <hongjiu.lu@intel.com>
14227 * config/i386/sse.md (<avx512>_load<mode>_mask): Remove snprintf.
14228 (<avx512>_store<mode>_mask): Likewise.
14230 2016-01-11 Bernd Schmidt <bschmidt@redhat.com>
14231 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
14233 PR rtl-optimization/68841
14234 * ifcvt.c (struct noce_if_info): Add orig_x field.
14235 (bbs_ok_for_cmove_arith): Add to_rename parameter.
14236 Don't record conflicts on to_rename if it's present.
14237 Allow memory destinations in sets.
14238 (noce_try_cmove_arith): Call bbs_ok_for_cmove_arith even on simple
14239 blocks, passing orig_x to the checks.
14240 (noce_process_if_block): Set if_info->orig_x appropriately.
14242 2016-01-11 Tom de Vries <tom@codesourcery.com>
14244 PR tree-optimization/69069
14245 * tree-parloops.c (create_parallel_loop): Add missing phi args.
14247 2016-01-11 Yuri Rumyantsev <ysrumyan@gmail.com>
14249 PR rtl-optimization/68920
14250 * config/i386/i386.c (ix86_option_override_internal): Restrict number
14251 of conditional moves for RTL if-conversion to 1 for
14252 TARGET_ONE_IF_CONV_INSN.
14253 * config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
14254 * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
14255 * params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
14256 parameter to restirct number of conditional moves for
14258 * doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
14259 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
14262 2016-01-11 Alexandre Oliva <aoliva@redhat.com>
14265 * var-tracking.c (drop_overlapping_mem_locs): Operate on all
14266 onepart vars. Fix typo in comment. Fix reversed condition in
14268 (dataflow_set_remove_mem_locs): Operate on all onepart vars.
14271 * var-tracking.c (dump_onepart_variable_differences): New.
14272 (dataflow_set_different): If a detailed dump is requested,
14273 delay early returns and dump differences between onepart
14274 variables present before and after, and added variables.
14276 2016-01-11 Ilya Enkovich <enkovich.gnu@gmail.com>
14279 * expr.c (expand_expr_real_1): For boolean vector constants
14280 with a scalar mode use const_scalar_mask_from_tree.
14281 (const_scalar_mask_from_tree): New.
14282 * optabs.c (expand_vec_cond_mask_expr): Use mask mode
14283 assigned to a mask type to handle constants.
14285 2016-01-11 Martin Jambor <mjambor@suse.cz>
14288 * ipa-cp.c (estimate_local_effects): Do not clone for removal of
14289 useless parameters if we cannot change function signature.
14291 2016-01-11 Martin Jambor <mjambor@suse.cz>
14294 * cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
14297 2016-01-11 Tom de Vries <tom@codesourcery.com>
14299 PR tree-optimization/69109
14300 * tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
14303 2016-01-11 Tom de Vries <tom@codesourcery.com>
14305 PR tree-optimization/69108
14306 * tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
14307 res is not used in a phi.
14309 2016-01-11 Yury Gribov <y.gribov@samsung.com>
14312 * common.opt (frandom-seed): Fix parameter name.
14313 * doc/invoke.texi (frandom-seed): Ditto and describe parameter.
14315 2016-01-11 Tom de Vries <tom@codesourcery.com>
14317 PR tree-optimization/69058
14318 * tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
14321 2016-01-11 Andrew Burgess <andrew.burgess@embecosm.com>
14323 * config/arc/arc.opt (mdiv-rem): Add period to the end.
14324 (mcode-density): Likewise.
14326 2016-01-10 Tom de Vries <tom@codesourcery.com>
14328 PR tree-optimization/69062
14329 * tree-parloops.c (loop_has_phi_with_address_arg): New function.
14330 (parallelize_loops): Don't paralelize loop that has phi with address
14333 2016-01-10 Tom de Vries <tom@codesourcery.com>
14335 PR tree-optimization/69039
14336 * tree-parloops.c (try_create_reduction_list): Only allow single exit
14339 2016-01-09 John David Anglin <danglin@gcc.gnu.org>
14341 PR middle-end/68743
14342 * match.pd: Require target has function_c99_misc before doing
14343 truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.
14345 2016-01-09 Gerald Pfeifer <gerald@pfeifer.com>
14347 * configure.ac (isl_options_set_schedule_serialize_sccs): Also
14349 * configure: Regenerate.
14351 2016-01-09 Jakub Jelinek <jakub@redhat.com>
14353 PR middle-end/50865
14354 PR tree-optimization/69097
14355 * fold-const.h (expr_not_equal_to): New prototype.
14356 * fold-const.c: Include stringpool.h and tree-ssanames.h.
14357 (expr_not_equal_to): New function.
14358 * match.pd (X % -Y is the same as X % Y): Don't optimize
14359 unless X is known not to be equal to minimum or Y is known
14360 not to be equal to -1.
14361 * tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
14362 fold TRUNC_MOD_EXPR if the second argument is not a power of two.
14363 (simplify_stmt_using_ranges): Adjust caller.
14364 (vrp_finalize): Call set_value_range on SSA_NAMEs before calling
14365 substitute_and_fold.
14367 2016-01-09 Jan Hubicka <hubicka@ucw.cz>
14369 * ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
14372 2016-01-08 Jakub Jelinek <jakub@redhat.com>
14374 PR tree-optimization/69167
14375 * gimple-fold.c (replace_stmt_with_simplification): Also punt if
14376 new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
14378 * gimple-match-head.c (maybe_push_res_to_seq): Likewise.
14380 2016-01-08 Alan Lawrence <alan.lawrence@arm.com>
14381 Richard Biener <rguenther@suse.de>
14383 PR tree-optimization/68707
14384 * tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
14385 instances that can be handled via vect_load_lanes.
14387 2016-01-08 Uros Bizjak <ubizjak@gmail.com>
14389 * symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
14390 if we can't determine address equivalence.
14391 * alias.c (compare_base_decl): Update for changed return value of
14392 symtab_node::equal_address_to.
14394 2016-01-08 Jason Merrill <jason@redhat.com>
14398 * function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
14399 * expr.c (store_field): Not here.
14400 * tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
14401 call with TREE_ADDRESSABLE type.
14402 * tree-cfg.c (verify_gimple_call): Adjust.
14404 2016-01-08 Olivier Hainque <hainque@adacore.com>
14406 * config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
14409 2016-01-08 Alan Lawrence <alan.lawrence@arm.com>
14411 * gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
14412 (reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
14413 (reduc_smin_v2sf): Rename to...
14414 (reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
14415 (reduc_splus_v2sf): Rename to...
14416 (reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.
14418 2016-01-08 Jakub Jelinek <jakub@redhat.com>
14420 PR tree-optimization/69162
14421 * gimplify.c (gimplify_va_arg_expr): Encode original type of
14422 valist argument in another argument.
14423 (gimplify_modify_expr): Adjust for the above change. Cleanup.
14424 * tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
14425 to determine the va_list type, build a MEM_REF instead of
14426 build_fold_indirect_ref.
14428 PR tree-optimization/69172
14429 * gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
14432 2016-01-08 Thomas Preud'homme <thomas.preudhomme@arm.com>
14434 PR tree-optimization/67781
14435 * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
14436 and cmpnop in two steps: first the ones not accessed in original
14437 gimple expression in a endian independent way and then the ones not
14438 accessed in the final result in an endian-specific way.
14440 2016-01-08 Jakub Jelinek <jakub@redhat.com>
14442 PR tree-optimization/69083
14443 * tree-vect-slp.c (vect_get_constant_vectors): For
14444 VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
14445 element type. If op is fold_convertible_p to vector_type's element
14446 type, use NOP_EXPR instead of VCE.
14448 2016-01-08 Segher Boessenkool <segher@kernel.crashing.org>
14450 PR rtl-optimization/67778
14451 PR rtl-optimization/68634
14452 PR rtl-optimization/68909
14453 * shrink-wrap.c (try_shrink_wrapping): Add comment. Don't pop
14454 block from the stack until done with it. Remove a superfluous
14455 bitmap set. Remove a superfluous bitmap test.
14457 2016-01-07 Martin Sebor <msebor@redhat.com>
14460 * doc/extend.texi (__atomic Builtins, __sync Builtins): Document
14461 constraint on the type of arguments.
14463 2016-01-07 Andreas Tobler <andreast@gcc.gnu.org>
14465 * config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
14466 SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
14467 unaligned_access on the gcc_options set.
14468 * config/arm/arm.c (arm_option_override_internal): Use
14469 SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.
14471 2016-01-07 Uros Bizjak <ubizjak@gmail.com>
14474 * config/i386/i386.c (ix86_frame_pointer_required): Enable
14475 frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.
14477 2016-01-07 Uros Bizjak <ubizjak@gmail.com>
14480 2016-01-06 Uros Bizjak <ubizjak@gmail.com>
14483 * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
14484 depending on frame_pointer_needed before remaining integer and SSE
14485 registers are saved.
14487 2016-01-07 Sandra Loosemore <sandra@codesourcery.com>
14490 * doc/extend.texi (Nvidia PDX Function Attributes): New section.
14492 2016-01-07 H.J. Lu <hongjiu.lu@intel.com>
14495 * config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
14496 Use the "xBm" constraint.
14497 (float<sseintvecmodelower><mode>2<mask_name><round_name):
14499 (sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
14500 (sse_cvtsi2ssq<round_name>): Likewise.
14501 (sse_cvtss2si<round_name>): Likewise.
14502 (sse_cvtss2siq<round_name>): Likewise.
14503 (sse2_cvtsi2sdq<round_name>): Likewise.
14504 (sse2_cvtsd2si<round_name>): Likewise.
14505 (sse2_cvtsd2siq<round_name>): Likewise.
14506 * config/i386/subst.md (round_nimm_scalar_predicate): New
14509 2015-12-15 Bernd Schmidt <bschmidt@redhat.com>
14511 PR middle-end/67639
14512 * varasm.c (make_decl_rtl): Mark invalid register vars as
14515 PR rtl-optimization/66206
14516 * bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
14517 All callers changed.
14519 2016-01-07 Jakub Jelinek <jakub@redhat.com>
14521 PR tree-optimization/69141
14522 * tree-ssa-pre.c: Include langhooks.h.
14523 (eliminate_dom_walker::before_dom_children): Use
14524 lang_hooks.decl_printable_name instead of
14525 cgraph_node::get ()->name ().
14527 PR middle-end/68960
14528 * gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
14529 it and DECL_ALIGN too.
14531 2016-01-06 Robert Suchanek <robert.suchanek@imgtec.com>
14533 * config/mips/mips-ftypes.def: Sort to lexicographical order.
14535 2016-01-06 Uros Bizjak <ubizjak@gmail.com>
14538 * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
14539 depending on frame_pointer_needed before remaining integer and SSE
14540 registers are saved.
14542 2015-01-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
14544 * config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
14545 mode iterator with VSX_M2.
14546 (*p9_vecstore_<mode>): Likewise.
14547 (*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
14548 (*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
14549 (*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
14550 (define_split for VSX_LE128 stores): Likewise.
14551 (define_peephole2 for TImode LE swaps): Likewise.
14552 (define_split for VSX_LE128 post-reload stores): Likewise.
14554 2016-01-06 Marek Polacek <polacek@redhat.com>
14557 * convert.c (convert_to_integer_1): Adjust call to
14558 ubsan_instrument_float_cast. Use NULL_TREE instead of NULL.
14559 * ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter. Use
14560 EXPR instead of ARG.
14561 * ubsan.h (ubsan_instrument_float_cast): Adjust declaration.
14563 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
14566 * doc/extend.texi (RL78 Variable Attributes): New section.
14568 2016-01-05 Marek Polacek <polacek@redhat.com>
14571 * builtins.c (get_memmodel): Use expansion point location rather than
14572 the input location. Call warning_at rather than warning.
14573 (expand_builtin_atomic_compare_exchange): Likewise.
14574 (expand_builtin_atomic_load): Likewise.
14575 (expand_builtin_atomic_store): Likewise.
14576 (expand_builtin_atomic_clear): Likewise.
14578 2016-01-05 H.J. Lu <hongjiu.lu@intel.com>
14581 * config/i386/i386.c (ix86_expand_vector_logical_operator):
14582 Replace nonimmediate_operand with vector_operand.
14583 * config/i386/predicates.md (vector_operand): New predicate.
14584 (general_vector_operand): Replace nonimmediate_operand with
14586 * config/i386/sse.md: Replace nonimmediate_operand with
14587 vector_operand and m constraint with Bm constraint on SSE
14588 patterns with 16-byte memory operand.
14589 * config/i386/subst.md (round_nimm_predicate): Replace
14590 nonimmediate_operand with vector_operand.
14591 (round_saeonly_nimm_predicate): Likewise.
14592 (round_saeonly_nimm_scalar_predicate): New.
14594 2016-01-05 H.J. Lu <hongjiu.lu@intel.com>
14597 * config/i386/constraints.md (Bm): New constraint.
14598 * config/i386/predicates.md (vector_memory_operand): New
14600 * config/i386/sse.md: Replace xm with xBm in plusminus and
14601 any_logic patterns.
14603 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
14606 * doc/extend.texi (V850 Function Attributes): New section.
14607 (V850 Variable Attributes): New section.
14609 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
14612 * doc/extend.texi (MicroBlaze Function Attributes): Document
14613 interrupt_handler and fast_interrupt attributes.
14615 2016-01-05 Sergei Trofimovich <siarheit@google.com>
14618 * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
14619 for local symbolic operands.
14620 * config/ia64/predicates.md (local_symbolic_operand64): New
14623 2016-01-05 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
14625 PR rtl-optimization/68651
14626 * combine.c (combine_simplify_rtx): Canonicalize x + x into
14629 2016-01-05 Nathan Sidwell <nathan@acm.org>
14631 * alias.c (compare_base_decls): Use symtab_node::get.
14633 2016-01-05 Nick Clifton <nickc@redhat.com>
14636 * ira-costs.c (copy_cost): Initialise the t_icode field of the
14637 secondary_reload_info structure.
14640 * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
14641 decls if weak support is available.
14643 2016-01-04 Martin Sebor <msebor@redhat.com>
14645 * doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.
14647 2016-01-04 Michael Meissner <meissner@linux.vnet.ibm.com>
14649 * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
14650 OPTION_MASK_P9_DFORM.
14652 * config/rs6000/constraints.md (wo constraint): New constraint for
14655 * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
14657 (rs6000_init_hard_regno_mode_ok): Likewise.
14659 * config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
14662 * config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
14663 expanders not to have constraints. Add support for ISA 3.0 xxperm
14664 instruction. Add support for fusing xxlor with xxperm.
14665 (altivec_vperm_<mode>_internal): Likewise.
14666 (altivec_vperm_v8hiv16qi): Likewise.
14667 (altivec_vperm_<mode>v16q): Likewise.
14668 (altivec_vperm_<mode>_uns): Likewise.
14669 (vperm_v8hiv4si): Likewise.
14670 (vperm_v16qiv8hi): Likewise.
14672 * doc/md.texi (RS/6000 constraints): Document wo constraint.
14674 2016-01-04 Jakub Jelinek <jakub@redhat.com>
14676 Update copyright years.
14678 * gcc.c (process_command): Update copyright notice dates.
14679 * gcov-dump.c (print_version): Ditto.
14680 * gcov.c (print_version): Ditto.
14681 * gcov-tool.c (print_version): Ditto.
14682 * gengtype.c (create_file): Ditto.
14683 * doc/cpp.texi: Bump @copying's copyright year.
14684 * doc/cppinternals.texi: Ditto.
14685 * doc/gcc.texi: Ditto.
14686 * doc/gccint.texi: Ditto.
14687 * doc/gcov.texi: Ditto.
14688 * doc/install.texi: Ditto.
14689 * doc/invoke.texi: Ditto.
14691 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
14693 * config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
14694 modes larger than TImode as TImode if NEON is not enabled.
14696 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
14699 * config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
14700 mode for %f0-%f31 only if TARGET_FPU.
14702 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
14705 * config/sparc/sparc.c (scan_record_type): Take into account subfields
14706 to compute the PACKED_P predicate.
14707 (function_arg_record_value): Minor tweaks.
14709 2016-01-04 Thomas Preud'homme <thomas.preudhomme@arm.com>
14711 * doc/install.texi (--with-multilib-list): Describe the meaning of the
14712 option for arm*-*-* targets.
14714 2016-01-03 Sandra Loosemore <sandra@codesourcery.com>
14716 * doc/extend.texi (Common Function Attributes): Move docs for
14717 MSP430-specific attributes to....
14718 (MSP430 Function Attributes): ...here. Delete the redundant
14719 entries and copy-edit the remaining text.
14720 (MSP430 Variable Attributes): Use uniform format for index
14721 entries and add a cross-reference to the corresponding function
14724 2016-01-03 Vladimír Čunát <vcunat@gmail.com>
14726 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix
14728 (x86 Options): Likewise.
14730 2016-01-01 Sandra Loosemore <sandra@codesourcery.com>
14734 * extend.texi (Common Function Attributes) <no_stack_limit>: New.
14735 * invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
14736 to corresponding attribute.
14738 2016-01-01 Sandra Loosemore <sandra@codesourcery.com>
14740 * doc/extend.texi (Common Function Attributes) <noplt>: Move
14741 to correct alphabetization of table. Copy-edit and correct
14743 <stack_protect>: Likewise.
14744 <target_clones>: Likewise.
14746 * doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
14747 Correct punctuation.
14748 (Code Gen Options) <-fno-plt>: Copy-edit.
14750 2016-01-01 Bernd Edlinger <bernd.edlinger@hotmail.de>
14753 * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
14754 SI values. Explicitly convert SI to DI and vice-versa.
14756 2016-01-01 Jakub Jelinek <jakub@redhat.com>
14758 PR tree-optimization/69070
14759 * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
14760 REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.
14763 * ubsan.c (ubsan_instrument_float_cast): Call
14764 initialize_sanitizer_builtins.
14767 * ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
14769 Copyright (C) 2016 Free Software Foundation, Inc.
14771 Copying and distribution of this file, with or without modification,
14772 are permitted in any medium without royalty provided the copyright
14773 notice and this notice are preserved.