1 2018-11-06 Richard Earnshaw <rearnsha@arm.com>
3 * config/aarch64/aarch64.md (speculation_tracker): Set the mode for
6 2018-11-02 Richard Earnshaw <rearnsha@arm.com>
8 * config/aarch64/aarch64.c ((aarch64_override_options): Disable
9 shrink-wrapping when -mtrack-speculation.
11 2018-08-23 Richard Earnshaw <rearnsha@arm.com>
14 * config/arm/arm-protos.h (arm_emit_speculation_barrier): New
16 * config/arm/arm.c (speculation_barrier_libfunc): New static
18 (arm_init_libfuncs): Initialize it.
19 (arm_emit_speculation_barrier): New function.
20 * config/arm/arm.md (speculation_barrier): Call
21 arm_emit_speculation_barrier for architectures that do not have
23 (speculation_barrier_insn): Only match on Armv7 or later.
25 2018-08-01 Richard Earnshaw <rearnsha@arm.com>
27 * config/i386/i386.md (unspecv): Add UNSPECV_SPECULATION_BARRIER.
28 (speculation_barrier): New insn.
30 2018-07-31 Ian Lance Taylor <iant@golang.org>
32 * targhooks.c (default_have_speculation_safe_value): Add
35 2018-07-31 Richard Earnshaw <rearnsha@arm.com>
37 * targhooks.h (speculation_safe_value_not_needed): New prototype.
38 * targhooks.c (speculation_safe_value_not_needed): New function.
39 * target.def (have_speculation_safe_value): Update documentation.
40 * doc/tm.texi: Regenerated.
42 2018-07-31 Richard Earnshaw <rearnsha@arm.com>
44 * config/aarch64/iterators.md (ALLI_TI): New iterator.
45 * config/aarch64/aarch64.md (despeculate_copy<ALLI_TI:mode>): New
47 (despeculate_copy<ALLI:mode>_insn): New insn.
48 (despeculate_copyti_insn): New insn.
49 (despeculate_simple<ALLI:mode>): New insn
50 (despeculate_simpleti): New insn.
51 * config/aarch64/aarch64.c (aarch64_speculation_safe_value): New
53 (TARGET_SPECULATION_SAFE_VALUE): Redefine to
54 aarch64_speculation_safe_value.
55 (aarch64_print_operand): Handle const0_rtx in modifier 'H'.
57 2018-07-31 Richard Earnshaw <rearnsha@arm.com>
59 * config/aarch64/aarch64-speculation.cc: New file.
60 * config/aarch64/aarch64-passes.def (pass_track_speculation): Add
61 before pass_reorder_blocks.
62 * config/aarch64/aarch64-protos.h (make_pass_track_speculation): Add
64 * config/aarch64/aarch64.c (aarch64_conditional_register_usage): Fix
65 X14 and X15 when tracking speculation.
66 * config/aarch64/aarch64.md (register name constants): Add
67 SPECULATION_TRACKER_REGNUM and SPECULATION_SCRATCH_REGNUM.
68 (unspec): Add UNSPEC_SPECULATION_TRACKER.
69 (speculation_barrier): New insn attribute.
70 (cmp<mode>): Allow SP in comparisons.
71 (speculation_tracker): New insn.
72 (speculation_barrier): Add speculation_barrier attribute.
73 * config/aarch64/t-aarch64: Add make rule for aarch64-speculation.o.
74 * config.gcc (aarch64*-*-*): Add aarch64-speculation.o to extra_objs.
75 * doc/invoke.texi (AArch64 Options): Document -mtrack-speculation.
77 2018-07-31 Richard Earnshaw <rearnsha@arm.com>
79 * config/aarch64/aarch64.md (cb<optab><mode>1): Disable when
80 aarch64_track_speculation is true.
81 (tb<optab><mode>1): Likewise.
82 * config/aarch64/aarch64.c (aarch64_split_compare_regs): Do not
83 generate CB[N]Z when tracking speculation.
84 (aarch64_split_compare_and_swap): Likewise.
85 (aarch64_split_atomic_op): Likewise.
87 2018-07-31 Richard Earnshaw <rearnsha@arm.com>
89 * config/aarch64/aarch64.opt (mtrack-speculation): New target option.
91 2018-07-31 Richard Earnshaw <rearnsha@arm.com>
93 * config/aarch64.md (unspecv): Add UNSPECV_SPECULAION_BARRIER.
94 (speculation_barrier): New insn.
96 2018-07-31 Richard Earnshaw <rearnsha@arm.com>
98 * config/arm/unspecs.md (unspecv): Add VUNSPEC_SPECULATION_BARRIER.
99 * config/arm/arm.md (speculation_barrier): New expand.
100 (speculation_barrier_insn): New pattern.
102 2018-07-31 Richard Earnshaw <rearnsha@arm.com>
104 * builtin-types.def (BT_FN_PTR_PTR_VAR): New function type.
105 (BT_FN_I1_I1_VAR, BT_FN_I2_I2_VAR, BT_FN_I4_I4_VAR): Likewise.
106 (BT_FN_I8_I8_VAR, BT_FN_I16_I16_VAR): Likewise.
107 * builtin-attrs.def (ATTR_NOVOPS_NOTHROW_LEAF_LIST): New attribute
109 * builtins.def (BUILT_IN_SPECULATION_SAFE_VALUE_N): New builtin.
110 (BUILT_IN_SPECULATION_SAFE_VALUE_PTR): New internal builtin.
111 (BUILT_IN_SPECULATION_SAFE_VALUE_1): Likewise.
112 (BUILT_IN_SPECULATION_SAFE_VALUE_2): Likewise.
113 (BUILT_IN_SPECULATION_SAFE_VALUE_4): Likewise.
114 (BUILT_IN_SPECULATION_SAFE_VALUE_8): Likewise.
115 (BUILT_IN_SPECULATION_SAFE_VALUE_16): Likewise.
116 * builtins.c (expand_speculation_safe_value): New function.
117 (expand_builtin): Call it.
118 * doc/cpp.texi: Document predefine __HAVE_SPECULATION_SAFE_VALUE.
119 * doc/extend.texi: Document __builtin_speculation_safe_value.
120 * doc/md.texi: Document "speculation_barrier" pattern.
121 * doc/tm.texi.in: Pull in TARGET_SPECULATION_SAFE_VALUE and
122 TARGET_HAVE_SPECULATION_SAFE_VALUE.
123 * doc/tm.texi: Regenerated.
124 * target.def (have_speculation_safe_value, speculation_safe_value): New
126 * targhooks.c (default_have_speculation_safe_value): New function.
127 (default_speculation_safe_value): New function.
128 * targhooks.h (default_have_speculation_safe_value): Add prototype.
129 (default_speculation_safe_value): Add prototype.
131 2017-06-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
133 * config/aarch64/aarch64.c (aarch64_split_compare_and_swap):
134 Emit CBNZ inside loop when doing a strong exchange and comparing
135 against zero. Generate the CC flags after the loop.
137 2017-02-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
139 PR rtl-optimization/68664
140 * config/arm/arm.c (arm_sched_can_speculate_insn):
141 New function. Declare prototype.
142 (TARGET_SCHED_CAN_SPECULATE_INSN): Define.
144 2016-10-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
146 * config/aarch64/aarch64.c: Delete inclusion of
147 cortex-a57-fma-steering.h.
148 (aarch64_override_options): Delete call
149 to aarch64_register_fma_steering.
150 * config/aarch64/aarch64-protos.h (make_pass_fma_steering): Declare.
151 * config/aarch64/cortex-a57-fma-steering.h: Delete.
152 * config/aarch64/aarch64-passes.def: New file.
153 * config/aarch64/cortex-a57-fma-steering.c
154 (aarch64_register_fma_steering): Delete definition.
155 (make_pass_fma_steering): Remove static qualifier.
156 * config/aarch64/t-aarch64 (PASSES_EXTRA): New directive.
157 (cortex-a57-fma-steering.o): Remove dependency on
158 cortex-a57-fma-steering.h.
160 2017-07-06 Vyacheslav Barinov <v.barinov@samsung.com>
162 * tree.def: Add STATEMENT_LIST_END tree code.
163 * tree.c: Add STATEMENT_LIST_END handling as TS_COMMON.
164 * gimplify.c (gimplify_expr): Use STATEMENT_LIST_END location to
165 provide right information for try_finally_expr.
166 * tree-eh.c (lower_try_finally_onedest): Set finally location
167 accordingly to location of last statement in cleanup.
168 * gimple.c (DEFTREECODE): handle STATEMENT_LIST_END as appropriate
170 * cp/constraint.cc (check_function_concept): Handle concept
171 definitions with STATEMENT_LIST_END.
172 * cp/error.c (dump_expr): Add STATEMENT_LIST_END support.
173 * fold-const.c (operand_equal_p): Add STATEMENT_LIST_END support.
174 * c-family/c-semantics.c (pop_stmt_list): Support single-statement
175 lists extraction with STATEMENT_LIST_END in the end.
177 2016-11-09 Maxim Ostapenko <m.ostapenko@samsung.com>
179 * asan.h (asan_intercepted_p): Handle BUILT_IN_STRCSPN,
180 BUILT_IN_STRPBRK, BUILT_IN_STRSPN and BUILT_IN_STRSTR.
182 2016-11-09 Maxim Ostapenko <m.ostapenko@samsung.com>
184 * asan.h (ASAN_STACK_MAGIC_PARTIAL): Remove.
185 * asan.c (ASAN_STACK_MAGIC_PARTIAL): Replace with
186 ASAN_STACK_MAGIC_MIDDLE.
187 (asan_global_struct): Increase the size of fields.
188 (asan_add_global): Add new field constructor.
190 2017-06-27 Jakub Jelinek <jakub@redhat.com>
193 * ubsan.c (ubsan_encode_value): Initialize DECL_CONTEXT on var.
195 2017-06-21 Jakub Jelinek <jakub@redhat.com>
197 Backported from mainline
198 2017-06-20 Jakub Jelinek <jakub@redhat.com>
201 * ubsan.h (ubsan_encode_value): Workaround buggy clang++ parser
202 by removing enum keyword.
203 (ubsan_type_descriptor): Likewise. Formatting fix.
205 2017-06-19 Jakub Jelinek <jakub@redhat.com>
208 * ubsan.h (enum ubsan_encode_value_phase): New.
209 (ubsan_encode_value): Change second argument to
210 enum ubsan_encode_value_phase with default value of
211 UBSAN_ENCODE_VALUE_GENERIC.
212 * ubsan.c (ubsan_encode_value): Change second argument to
213 enum ubsan_encode_value_phase PHASE from bool IN_EXPAND_P,
214 adjust uses, for UBSAN_ENCODE_VALUE_GENERIC use just
215 create_tmp_var_raw instead of create_tmp_var and use a
217 (ubsan_expand_bounds_ifn, ubsan_build_overflow_builtin,
218 instrument_bool_enum_load, ubsan_instrument_float_cast): Adjust
219 ubsan_encode_value callers.
222 * ubsan.c (ubsan_encode_value): If current_function_decl is NULL,
223 use create_tmp_var_raw instead of create_tmp_var, mark it addressable
224 just by setting TREE_ADDRESSABLE on the result and use a TARGET_EXPR.
227 2017-04-13 Denis Khalikov <d.khalikov@partner.samsung.com>
230 * ubsan.c (ubsan_expand_bounds_ifn): Pass original index
231 to ubsan_encode_value.
233 2017-03-07 Jakub Jelinek <jakub@redhat.com>
236 * ubsan.c (ubsan_encode_value): Call mark_addressable on the
239 2017-02-03 Carl Love <cel@us.ibm.com>
241 Backport of two commits from mainline, r244943 and r244904,
242 dated 017-01-26 and 2017-01-25 respectively
244 * config/rs6000/rs6000-c (altivec_overloaded_builtins): Fix order
245 of entries for ALTIVEC_BUILTIN_VEC_PACKS. Remove bogus entries
246 for P8V_BUILTIN_VEC_VGBBD.
248 2017-02-03 Walter Lee <walt@tilera.com>
250 Backport from mainline
251 2017-02-03 Walter Lee <walt@tilera.com>
254 * config/tilegx/tilegx.md (tilegx_expand_prologue): Add blockage
255 after initial stackframe link reg save.
256 * config/tilepro/tilepro.md (tilepro_expand_prologue): Likewise.
258 2017-02-03 Maxim Ostapenko <m.ostapenko@samsung.com>
261 * asan.c (asan_add_global): Force has_dynamic_init to zero in LTO mode.
263 2017-01-31 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
265 Backport from mainline
266 2017-01-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
269 * config/rs6000/altivec.h (vec_xl): Revise #define.
272 2017-01-26 Eric Botcazou <ebotcazou@adacore.com>
274 Backport from mainline
275 2017-01-10 Eric Botcazou <ebotcazou@adacore.com>
277 * expr.c (store_field): In the bitfield case, fetch the return value
278 from the registers before applying a single big-endian adjustment.
279 Always do a final load for a BLKmode value not larger than a word.
281 2017-01-09 Eric Botcazou <ebotcazou@adacore.com>
283 * expr.c (store_field): In the bitfield case, if the value comes from
284 a function call and is of an aggregate type returned in registers, do
285 not modify the field mode; extract the value in all cases if the mode
286 is BLKmode and the size is not larger than a word.
288 2017-01-26 Richard Biener <rguenther@suse.de>
290 * tree-vrp.c (vrp_visit_assignment_or_call): Use set_defs_to_varying.
292 Backport from mainline
293 2016-01-10 Richard Biener <rguenther@suse.de>
295 PR tree-optimization/79034
296 * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
297 Propagate out degenerate PHIs in the joiner.
299 2016-12-13 Richard Biener <rguenther@suse.de>
302 * tree.c (cst_and_fits_in_hwi): Look if the actual value fits.
303 * tree-object-size.c (compute_builtin_object_size): Use
305 * tree-data-ref.c (initialize_matrix_A): Remove excess assert.
307 2017-01-26 Richard Biener <rguenther@suse.de>
309 Backport from mainline
310 2016-09-03 Kirill Yukhin <kirill.yukhin@intel.com>
312 * ubsan.c (ubsan_use_new_style_p): Fix check for empty string.
314 2017-01-24 Eric Botcazou <ebotcazou@adacore.com>
317 * config/arm/arm.c (arm_function_ok_for_sibcall): Add back restriction
318 for long calls with APCS frame and VFP.
320 2017-01-24 Uros Bizjak <ubizjak@gmail.com>
324 2013-11-05 Uros Bizjak <ubizjak@gmail.com>
326 * config/i386/rtemself.h (LONG_DOUBLE_TYPE_SIZE): New define.
328 2017-01-23 Martin Liska <mliska@suse.cz>
330 Backport from mainline
331 2017-01-20 Martin Liska <mliska@suse.cz>
334 * tree-profile.c (init_ic_make_global_vars): Do not call
336 (gimple_init_gcov_profiler): Likewise.
338 2017-01-21 Gerald Pfeifer <gerald@pfeifer.com>
340 Backport from mainline
341 2016-12-29 Gerald Pfeifer <gerald@pfeifer.com>
343 * doc/extend.texi (Cilk Plus Builtins): cilkplus.org now uses
345 * doc/passes.texi (Cilk Plus Transformation): Ditto.
346 * doc/generic.texi (Statements for C++): Ditto, and use @uref.
348 2017-01-20 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
350 Backport from mainline
351 2017-01-16 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
353 * config/rs6000/rs6000.c (rtx_is_swappable_p): Change
354 UNSPEC_VSX__XXSPLTD to require special splat handling.
356 2017-01-20 Wilco Dijkstra <wdijkstr@arm.com>
358 Backport from mainline
360 * config/aarch64/aarch64.md (eh_return): Remove pattern and splitter.
361 * config/aarch64/aarch64.h (AARCH64_EH_STACKADJ_REGNUM): Remove.
362 (EH_RETURN_HANDLER_RTX): New define.
363 * config/aarch64/aarch64.c (aarch64_frame_pointer_required):
364 Force frame pointer in EH return functions.
365 (aarch64_expand_epilogue): Add barrier for eh_return.
366 (aarch64_final_eh_return_addr): Remove.
367 (aarch64_eh_return_handler_rtx): New function.
368 * config/aarch64/aarch64-protos.h (aarch64_final_eh_return_addr):
370 (aarch64_eh_return_handler_rtx): New prototype.
372 2017-01-20 Richard Earnshaw <rearnsha@arm.com>
374 Backported from mainline
375 2017-01-19 Richard Earnshaw <rearnsha@arm.com>
377 PR rtl-optimization/79121
378 * expr.c (expand_expr_real_2, case LSHIFT_EXPR): Look at the signedness
379 of the inner type when shifting an extended value.
381 2017-01-20 Martin Liska <mliska@suse.cz>
383 Backport from mainline
384 2017-01-13 Martin Liska <mliska@suse.cz>
387 * function.c (set_cfun): Add new argument force.
388 * function.h (set_cfun): Likewise.
389 * ipa-inline-transform.c (inline_call): Use the function when
390 strict alising from is dropped for function we inline to.
392 2017-01-20 Martin Liska <mliska@suse.cz>
394 Backport from mainline
395 2017-01-17 Martin Liska <mliska@suse.cz>
398 * ipa-polymorphic-call.c (contains_type_p): Fix wrong
399 assumption and add comment.
401 2017-01-19 Richard Biener <rguenther@suse.de>
403 PR tree-optimization/72488
404 * tree-ssa-sccvn.c (run_scc_vn): When we abort the VN make
405 sure to restore SSA info.
407 2017-01-17 Jakub Jelinek <jakub@redhat.com>
410 * dwarf2out.c (field_byte_offset): Restore the
411 PCC_BITFIELD_TYPE_MATTERS behavior for INTEGER_CST DECL_FIELD_OFFSET
412 and DECL_FIELD_BIT_OFFSET. Use fold_build2 instead of build2 + fold.
413 (analyze_variants_discr, gen_variant_part): Use fold_build2 instead
416 2017-01-17 Thomas Preud'homme <thomas.preudhomme@arm.com>
418 Backport from mainline
419 2016-12-07 Thomas Preud'homme <thomas.preudhomme@arm.com>
421 PR rtl-optimization/78617
422 * lra-remat.c (do_remat): Initialize live_hard_regs from live in
423 registers, also setting hard registers mapped to pseudo registers.
425 2017-01-13 Christophe Lyon <christophe.lyon@linaro.org>
427 Backport from mainline r244320.
428 2017-01-11 Christophe Lyon <christophe.lyon@linaro.org>
431 * config/arm/arm.c (legitimize_pic_address): Handle reference to
433 (arm_assemble_integer): Likewise.
435 2017-01-12 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
437 Backport from mainline
438 2017-01-12 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
441 * config/rs6000/rs6000.c (insn_is_swappable_p): Mark
442 element-reversing loads and stores as not swappable.
444 2017-01-11 Uros Bizjak <ubizjak@gmail.com>
446 * config/i386/i386.c (memory_address_length): Increase len
447 only when rip_relative_addr_p returns false.
449 2017-01-11 Maxim Ostapenko <m.ostapenko@samsung.com>
451 Backport from mainline
452 2017-01-11 Maxim Ostapenko <m.ostapenko@samsung.com>
455 * lto-cgraph.c (lto_output_varpool_node): Pack dynamically_initialized
457 (input_varpool_node): Unpack dynamically_initialized bit.
458 * lto-streamer.h (LTO_minor_version): Bump version.
460 2017-01-10 Michael Meissner <meissner@linux.vnet.ibm.com>
462 Backport from mainline
463 2016-12-30 Michael Meissner <meissner@linux.vnet.ibm.com>
466 * config/rs6000/rs6000.c (rs6000_split_signbit): Change some
467 assertions. Add support for doing the signbit if the IEEE 128-bit
468 floating point value is in a GPR.
469 * config/rs6000/rs6000.md (Fsignbit): Delete.
470 (signbit<mode>2_dm): Delete using <Fsignbit> and just use "wa".
471 Update the length attribute if the value is in a GPR.
472 (signbit<mode>2_dm_<su>ext): Add combiner pattern to eliminate
473 the sign or zero extension instruction, since the value is always
475 (signbit<mode>2_dm2): Delete using <Fsignbit>.
477 2017-01-10 Martin Liska <mliska@suse.cz>
479 Backport from mainline
480 2017-01-09 Martin Liska <mliska@suse.cz>
483 * gcc.c (driver_handle_option): Handle OPT_E and set
485 (lookup_compiler): Do not show error message with have_E.
487 2017-01-10 Martin Liska <mliska@suse.cz>
489 Backport from mainline
490 2017-01-05 Martin Liska <mliska@suse.cz>
493 * gcc.c (lookup_compiler): Reject '-' filename for a precompiled
496 2017-01-10 Thomas Schwinge <thomas@codesourcery.com>
498 PR tree-optimization/78024
499 * omp-low.c (oacc_loop_discovery): Call clear_bb_flags.
501 Backport trunk r239086:
502 2016-08-03 Nathan Sidwell <nathan@codesourcery.com>
504 * config/nvptx/nvptx.c (nvptx_declare_function_name): Round frame
505 size to DImode boundary.
506 (nvptx_propagate): Likewise.
508 2017-01-10 Chung-Ju Wu <jasonwucj@gmail.com>
510 Backport from mainline
511 2016-04-28 Segher Boessenkool <segher@kernel.crashing.org>
514 * config/nds32/nds32.md (casesi): Don't access the operands array
517 2017-01-09 Andreas Tobler <andreast@gcc.gnu.org>
519 Backport from mainline
520 2016-10-10 Andreas Tobler <andreast@gcc.gnu.org>
522 * config.gcc: Add aarch64-*-freebsd* support.
523 * config.host: Likewise.
524 * config/aarch64/aarch64-freebsd.h: New file.
525 * config/aarch64/t-aarch64-freebsd: Ditto.
527 2017-01-09 Bill Seurer <seurer@linux.vnet.ibm.com>
529 Backport from mainline
530 2016-12-21 Bill Seurer <seurer@linux.vnet.ibm.com>
533 * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
534 -fasynchronous-unwind-tables option when -fsanitize=address is
537 2017-01-09 Andreas Tobler <andreast@gcc.gnu.org>
539 Backport from mainline
540 2016-09-19 Richard Biener <rguenther@suse.de>
542 * dwarf2out.c (dwarf2out_late_global_decl): When being during the
543 early debug phase do not add locations but only const value
546 Backport from mainline
547 2016-10-20 Richard Biener <rguenther@suse.de>
549 * cgraphunit.c (analyze_functions): Set node->definition to
550 false to signal symbol removal to debug_hooks->late_global_decl.
552 2017-01-09 Andre Vieira <andre.simoesdiasvieira@arm.com>
554 Backport from mainline
555 2016-12-09 Andre Vieira <andre.simoesdiasvieira@arm.com>
557 PR rtl-optimization/78255
558 * gcc/postreload.c (reload_cse_simplify): Do not CSE a function if
559 NO_FUNCTION_CSE is true.
561 2017-01-06 Wilco Dijkstra <wdijkstr@arm.com>
563 Backport from mainline
564 2016-10-25 Wilco Dijkstra <wdijkstr@arm.com>
567 * config/arm/neon.md (ashldi3_neon): Add "r 0 i" and "&r r i" variants.
568 Remove partial overlap check for shift by 1.
569 (ashldi3_neon): Likewise.
571 2017-01-05 Kelvin Nilsen <kelvin@gcc.gnu.org>
573 Backport from mainline
574 2016-07-22 Kelvin Nilsen <kelvin@gcc.gnu.org>
576 * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
577 comments to explain why certain error messages make mention of
578 undocumented options.
579 (rs6000_invalid_builtin): Change error messages to replace mention
580 of undocumented options with mention of the -mcpu=power9 option
581 that enables those undocumented options.
582 * config/rs6000/rs6000.h: Add macro definition of MASK_FLOAT128
583 and change the macro definition of RS6000_BTM_FLOAT128 to correct
584 an error that was discovered during the development of this patch.
585 * config/rs6000/rs6000.opt: Add the Undocumented qualifier to the
586 mpower9-fusion, mpower9-vector, mpower9-dform, and mmodulo entries.
587 * doc/extend.texi (PowerPC AltiVec Built-in Functions): Modify
588 descriptions of built-in functions so that they depend on
589 -mcpu=power9 instead of on the corresponding undocumented flags.
590 * doc/invoke.texi (Option Summary): Remove all mention of newly
592 (IBM RS/6000 and PowerPC Options): Likewise.
593 * doc/md.texi (Constraints for Particuliar Machines): Remove all
594 mention of newly undocumented flags.
596 2017-01-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
598 Backport from mainline
599 2016-12-22 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
601 * varasm.c (build_constant_desc): Use the alignment of the var
602 decl instead of the original expression.
604 2017-01-04 Richard Biener <rguenther@suse.de>
606 Backport from mainline
607 2016-05-11 Richard Biener <rguenther@suse.de>
609 PR tree-optimization/71055
610 * tree-ssa-sccvn.c (vn_reference_lookup_3): When native-interpreting
611 sth with precision not equal to access size verify we don't chop
614 2017-01-03 Martin Liska <mliska@suse.cz>
616 Backport from mainline
617 2016-12-21 Jakub Jelinek <jakub@redhat.com>
618 Martin Liska <mliska@suse.cz>
621 * gcc.c (driver::build_option_suggestions): Do not add
622 -fsanitize=all as a suggestion candidate.
624 2017-01-03 Martin Liska <mliska@suse.cz>
626 Backport from mainline
627 2016-12-22 Martin Liska <mliska@suse.cz>
629 PR tree-optimization/78886
630 * tree-ssa-strlen.c (handle_builtin_malloc): Return when LHS
633 2017-01-03 Martin Liska <mliska@suse.cz>
635 Backport from mainline
636 2016-12-13 Martin Liska <mliska@suse.cz>
638 PR tree-optimization/78428
639 * expr.c (store_constructor_field): Add new arguments to the
641 (store_constructor): Set up bitregion_end and add
642 gcc_unreachable to fields that have either non-constant size
645 2016-12-27 Jakub Jelinek <jakub@redhat.com>
648 * config/i386/stringop.opt: Remove.
650 2016-12-21 Jakub Jelinek <jakub@redhat.com>
652 Backported from mainline
653 2016-12-13 Jakub Jelinek <jakub@redhat.com>
656 * ipa-pure-const.c (cdtor_p): Return true for
657 DECL_STATIC_{CON,DE}STRUCTOR even when it is
658 DECL_LOOPING_CONST_OR_PURE_P.
660 2016-12-21 Jakub Jelinek <jakub@redhat.com>
662 * BASE-VER: Set to 6.3.1.
664 2016-12-21 Release Manager
666 * GCC 6.3.0 released.
668 2016-12-14 Uros Bizjak <ubizjak@gmail.com>
671 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_CLZS
672 and IX86_BUILTIN_CTZS.
673 (bdesc_args): Add __builtin_clzs and __builtin_ctzs.
674 (ix86_fold_builtin): Handle IX86_BUILTIN_CTZS and IX86_BUILTIN_CLZS.
676 2016-12-14 Wilco Dijkstra <wdijkstr@arm.com>
677 Jakub Jelinek <jakub@redhat.com>
680 * config/aarch64/aarch64.c (aarch64_classify_symbol): Merge large
681 model checks into switch.
683 2016-12-14 Thomas Preud'homme <thomas.preudhomme@arm.com>
685 Backport from mainline
686 2016-11-25 Thomas Preud'homme <thomas.preudhomme@arm.com>
688 * tree-ssa-math-opts.c (struct symbolic_number): Improve comment.
690 2016-12-14 Thomas Preud'homme <thomas.preudhomme@arm.com>
692 Backport from mainline
693 2016-11-25 Thomas Preud'homme <thomas.preudhomme@arm.com>
695 PR tree-optimization/77673
696 * tree-ssa-math-opts.c (struct symbolic_number): Add new src field.
697 (init_symbolic_number): Initialize src field from src parameter.
698 (perform_symbolic_merge): Select most dominated statement as the
699 source statement. Set src field of resulting n structure from the
700 input src with the lowest address.
701 (find_bswap_or_nop): Rename source_stmt into ins_stmt.
702 (bswap_replace): Rename src_stmt into ins_stmt. Initially get source
703 of load from src field rather than insertion statement. Cancel
704 optimization if statement analyzed is not dominated by the insertion
706 (pass_optimize_bswap::execute): Rename src_stmt to ins_stmt. Compute
707 dominance information.
709 2016-12-13 Michael Meissner <meissner@linux.vnet.ibm.com>
711 Backport from mainline
712 2016-12-07 Michael Meissner <meissner@linux.vnet.ibm.com>
715 * config/rs6000/rs6000.c (rs6000_expand_vector_init): If the
716 V2DImode elements are SUBREG's convert the result into DImode
717 rather than failing in emit_move_insn.
719 2016-12-13 Iain Sandoe <iain@codesourcery.com>
721 Backport from mainline
722 2016-12-11 Iain Sandoe <iain@codesourcery.com>
724 PR rtl-optimization/71496
725 * config/rs6000/darwin.md (load_macho_picbase_si): Mark as non-
726 copyable. (load_macho_picbase_di, reload_macho_picbase_si,
727 reload_macho_picbase_di): Likewise.
729 2016-12-12 Bernd Schmidt <bschmidt@redhat.com>
731 Backport from mainline
732 2016-11-07 Bernd Schmidt <bschmidt@redhat.com>
734 PR rtl-optimization/77309
735 * combine.c (make_compound_operation): Allow EQ for IN_CODE, and
736 don't assume an equality comparison for plain COMPARE.
737 (simplify_comparison): Pass a more accurate code to
738 make_compound_operation.
740 2016-12-12 Thomas Preud'homme <thomas.preudhomme@arm.com>
742 Backport from mainline
743 2016-11-22 Thomas Preud'homme <thomas.preudhomme@arm.com>
746 * config/arm/arm.c (thumb1_compute_save_reg_mask): Mark frame pointer
747 in save register mask if it is needed.
749 2016-12-11 Iain Sandoe <iain@codesourcery.com>
751 Backport from mainline
752 2016-11-27 Iain Sandoe <iain@codesourcery.com>
753 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
756 * config.in: Regenerate
757 * config/darwin-driver.c (darwin_driver_init): Emit a version string
759 * config/darwin.h(ASM_MMACOSX_VERSION_MIN_SPEC): New, new tests.
760 * config/darwin.opt(asm_macosx_version_min): New.
761 * config/i386/darwin.h: Handle ASM_MMACOSX_VERSION_MIN_SPEC.
762 * configure: Regenerate
763 * configure.ac: Check for mmacosx-version-min handling.
765 2016-12-11 Iain Sandoe <iain@codesourcery.com>
767 Backport from mainline
768 2016-11-27 Iain Sandoe <iain@codesourcery.com>
771 * config/i386/i386.c (ix86_code_end): Note that we emitted code
772 where the function might otherwise appear empty for picbase thunks.
773 (ix86_output_function_epilogue): If we find a zero-sized function
774 assume that reaching it is UB and trap. If we find a trailing label
776 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): If we
777 find a zero-sized function assume that reaching it is UB and trap.
778 If we find a trailing label, append a nop.
780 2016-12-11 Iain Sandoe <iain@codesourcery.com>
782 Backport from mainline
783 2016-11-27 Iain Sandoe <iain@codesourcery.com>
786 * config/darwin-sections.def (picbase_thunk_section): New.
787 * config/darwin.c (darwin_init_sections): Set up picbase thunk
788 section. (darwin_rodata_section, darwin_objc2_section,
789 machopic_select_section, darwin_asm_declare_constant_name,
790 darwin_emit_weak_or_comdat, darwin_function_section): Don’t use
791 coalesced with newer linkers.
792 (darwin_override_options): Decide on usage of coalesed sections
793 on the basis of the target linker version.
794 * config/darwin.h (MIN_LD64_NO_COAL_SECTS): New.
795 * config/darwin.opt (mtarget-linker): New.
796 * config/i386/i386.c (ix86_code_end): Do not force the thunks into
797 a coalesced section, instead use a thunks section.
799 Backport from mainline
800 2016-11-28 Iain Sandoe <iain@codesourcery.com>
803 * configure.ac (with_ld64): Use portable method to extract the
804 major part of the version number.
805 * configure: Regenerated.
807 Backport from mainline
808 2016-11-27 Iain Sandoe <iain@codesourcery.com>
811 * configure.ac (with-ld64): New var, set for Darwin, set on
812 detection of ld64, gcc_cv_ld64_export_dynamic: New, New test.
813 * config/darwin.h: Use LD64_HAS_DYNAMIC export. DEF_LD64: New,
815 * config/darwin10.h(DEF_LD64): Update for this target version.
816 * config/darwin12.h(LINK_GCC_C_SEQUENCE_SPEC): Remove rdynamic
817 test. (DEF_LD64): Update for this target version.
818 * configure: Regenerated.
819 * config.in: Regenerated.
821 Backport from mainline
822 2016-11-27 Iain Sandoe <iain@codesourcery.com>
825 * config/darwin.c (imachopic_indirection_name): Make data
826 section indirections linker-visible.
827 * config/darwin.h (ASM_GENERATE_INTERNAL_LABEL): Make local
828 constant labels linker-visible.
830 2016-12-09 Thomas Preud'homme <thomas.preudhomme@arm.com>
832 Backport from mainline
833 2016-11-17 Thomas Preud'homme <thomas.preudhomme@arm.com>
836 * config/arm/arm.c (thumb1_expand_prologue): Distinguish between lr
837 being live in the function and lr needing to be saved. Distinguish
838 between already saved pushable registers and registers to push.
839 Check for LR being an available pushable register.
841 2016-12-09 Nathan Sidwell <nathan@acm.org>
844 * convert.c (convert_to_integer_1): Maybe fold conversions to
845 integral types with fewer bits than its mode.
847 2016-12-09 Richard Biener <rguenther@suse.de>
849 Backport from mainline
850 2016-11-09 Richard Biener <rguenther@suse.de>
852 * tree-vect-data-refs.c (vect_compute_data_ref_alignment):
853 Look at the DR_BASE_ADDRESS object for forcing alignment.
855 2016-11-07 Richard Biener <rguenther@suse.de>
857 PR tree-optimization/78189
858 * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Fix
859 alignment computation.
861 2016-12-09 Richard Biener <rguenther@suse.de>
863 Backport from mainline
864 2016-11-28 Richard Biener <rguenther@suse.de>
866 PR tree-optimization/78542
867 * tree-ssa-ccp.c (evaluate_stmt): Only valueize simplification
870 2016-11-23 Richard Biener <rguenther@suse.de>
872 PR tree-optimization/78482
873 * tree-cfgcleanup.c: Include tree-ssa-loop-niter.h.
874 (remove_forwarder_block_with_phi): When merging with a loop
875 header creates a new latch reset number of iteration information
878 2016-11-23 Richard Biener <rguenther@suse.de>
881 * match.pd ((~X & Y) -> X < Y, (X & ~Y) -> Y < X,
882 (~X | Y) -> X <= Y, (X | ~Y) -> Y <= X): Remove.
884 2016-11-11 Richard Biener <rguenther@suse.de>
886 PR tree-optimization/71575
887 * graphite-isl-ast-to-gimple.c (copy_cond_phi_nodes): Remove
890 2016-11-07 Richard Biener <rguenther@suse.de>
892 PR tree-optimization/78224
893 * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
894 Split the fallthru edge in case its successor may have PHIs.
896 2016-11-05 David Edelsohn <dje.gcc@gmail.com>
897 Richard Biener <rguenther@suse.de>
901 * ipa-comdats.c (pass_ipa_comdats::gate): Require HAVE_COMDAT_GROUP.
903 2016-09-20 Richard Biener <rguenther@suse.de>
905 PR tree-optimization/77646
906 * tree-ssa-sccvn.c (visit_reference_op_call): Always value-number
909 2016-12-07 Segher Boessenkool <segher@kernel.crashing.org>
911 Backport from mainline
912 2016-11-12 Segher Boessenkool <segher@kernel.crashing.org>
915 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
916 return early if !optional_tbtab.
918 2016-12-07 Jakub Jelinek <jakub@redhat.com>
920 Backported from mainline
921 2016-11-28 Jakub Jelinek <jakub@redhat.com>
924 * rtl.h (remove_reg_equal_equiv_notes): Return bool instead of void.
925 * rtlanal.c (remove_reg_equal_equiv_notes): Return true if any
926 note has been removed.
927 * postreload.c (reload_combine_recognize_pattern): If
928 remove_reg_equal_equiv_notes returns true, call df_notes_rescan.
930 PR rtl-optimization/78546
931 * simplify-rtx.c (neg_const_int): When negating most negative
932 number in mode wider than HOST_BITS_PER_WIDE_INT, use
933 simplify_const_unary_operation to produce CONST_DOUBLE or
935 (simplify_plus_minus): Hanlde the case where neg_const_int
936 doesn't return a CONST_INT.
939 * tree-nested.c (convert_local_reference_stmt): After adding
940 shared (FRAME.NN) clause to omp parallel, task or target,
941 add it also to all outer omp parallel, task or target constructs.
943 2016-11-23 Jakub Jelinek <jakub@redhat.com>
946 * omp-low.c (build_outer_var_ref): Change lastprivate argument
947 to code, pass it recursively, adjust uses. For OMP_CLAUSE_PRIVATE
948 on worksharing constructs, treat it like clauses on simd construct.
950 (lower_rec_input_clauses): For OMP_CLAUSE_PRIVATE_OUTER_REF pass
951 OMP_CLAUSE_PRIVATE as last argument to build_outer_var_ref.
952 (lower_lastprivate_clauses): Pass OMP_CLAUSE_LASTPRIVATE instead
953 of true as last argument to build_outer_var_ref.
955 2016-11-22 Jakub Jelinek <jakub@redhat.com>
958 * expmed.c (expand_divmod): Use wide_int for computation of
959 op1_is_pow2. Don't set it if op1 is 0. Formatting fixes.
960 Use size <= HOST_BITS_PER_WIDE_INT instead of
961 HOST_BITS_PER_WIDE_INT >= size.
963 2016-11-21 Jakub Jelinek <jakub@redhat.com>
966 * omp-simd-clone.c (simd_clone_adjust_argument_types): Use NULL prefix
967 for tmp simd array if DECL_NAME (parm) is NULL.
969 2016-11-18 Jakub Jelinek <jakub@redhat.com>
972 * multiple_target.c (get_attr_len): Start with argnum and increment
973 argnum on every arg. Use strchr in a loop instead of counting commas
975 (get_attr_str): Increment argnum for every comma in the string.
976 (separate_attrs): Use for instead of while loop, simplify.
977 (expand_target_clones): Rename defenition argument to definition.
978 Free attrs and attr_str even when diagnosing errors. Temporarily
979 change input_location around targetm.target_option.valid_attribute_p
980 calls. Don't emit warning or errors if that function fails.
982 2016-11-16 Jakub Jelinek <jakub@redhat.com>
984 PR rtl-optimization/78378
985 * combine.c (make_extraction): Use force_to_mode for non-{REG,MEM}
986 inner only if pos is 0. Fix up formatting.
989 * omp-low.c (expand_omp_for_static_nochunk): Don't assert
990 that loop->header == body_bb if broken_loop.
992 2016-11-07 Jakub Jelinek <jakub@redhat.com>
995 * dse.c (dse_step5): Call scan_reads even if just
996 insn_info->frame_read. Improve and fix dump file messages.
999 * config/i386/i386.c (ix86_expand_sse_cmp): Force dest into
1000 cmp_mode argument even for -O0 if cmp_mode != mode and maskcmp.
1002 2016-11-04 Jakub Jelinek <jakub@redhat.com>
1005 * alias.c (nonoverlapping_memrefs_p): Return 0 if exprx or expry
1006 doesn't have rtl set.
1008 2016-10-29 Jakub Jelinek <jakub@redhat.com>
1010 PR rtl-optimization/77919
1011 * expr.c (expand_expr_real_1) <normal_inner_ref>: Only avoid forcing
1012 into memory if both modes are complex and their inner modes have the
1013 same precision. If the two modes are different complex modes, convert
1014 each part separately and generate a new CONCAT.
1016 2016-10-28 Jakub Jelinek <jakub@redhat.com>
1018 PR rtl-optimization/77919
1019 * expr.c (expand_expr_real_1) <normal_inner_ref>: Force CONCAT into
1020 MEM if mode1 is not a complex mode.
1022 2016-10-27 Jakub Jelinek <jakub@redhat.com>
1025 * omp-simd-clone.c (simd_clone_adjust): Handle noreturn declare simd
1028 2016-10-26 Jakub Jelinek <jakub@redhat.com>
1029 Martin Liska <mliska@suse.cz>
1032 * gimplify.c (gimplify_adjust_omp_clauses_1): For all added map
1033 clauses with OMP_CLAUSE_SIZE being a decl, call omp_notice_variable
1034 on outer context if any.
1036 2016-10-05 Jakub Jelinek <jakub@redhat.com>
1039 * ubsan.c (ubsan_ids): New GTY(()) array.
1040 (ubsan_type_descriptor, ubsan_create_data): Use ubsan_ids
1041 instead of static local counters.
1043 2016-09-22 Jakub Jelinek <jakub@redhat.com>
1046 * tree-inline.c (remap_gimple_stmt): Set has_simduid_loops
1047 for all IFN_GOMP_SIMD_* internal fns, not just for
1048 IFN_GOMP_SIMD_ORDERED_*.
1050 2016-09-20 Jakub Jelinek <jakub@redhat.com>
1053 * builtins.c (fold_builtin_atomic_always_lock_free): Only look through
1054 cast to void * if the cast is from some other pointer type.
1056 2016-09-19 Jakub Jelinek <jakub@redhat.com>
1057 Jan Hubicka <jh@suse.cz>
1060 * cgraph.c (cgraph_node::rtl_info): Pass &avail to
1061 ultimate_alias_target call, return NULL if avail < AVAIL_AVAILABLE.
1062 Call ultimate_alias_target just once, not up to 4 times.
1064 2016-12-07 Thomas Preud'homme <thomas.preudhomme@arm.com>
1066 Backport from mainline
1067 2016-11-16 Thomas Preud'homme <thomas.preudhomme@arm.com>
1069 * config/arm/arm.md (arm_addsi3): Add alternative for addition of
1070 general register with general register or ARM constant into SP
1073 2016-12-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1075 Backport from mainline
1076 2016-12-05 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1077 Stefan Freudenberger <stefan@reservoir.com>
1079 PR tree-optimization/78646
1080 * gimple-ssa-strength-reduction.c (replace_ref): The pointer
1081 addition used for the memory base expression should have the type
1084 2016-12-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1086 Backport from mainline
1087 2016-09-01 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1088 Michael Meissner <meissner@linux.vnet.ibm.com>
1091 * config/rs6000/rs6000.c (rs6000_legitimize_address): Avoid
1092 reg+reg addressing for TImode.
1093 (rs6000_legitimate_address_p): Only allow register indirect
1094 addressing for TImode, even without TARGET_QUAD_MEMORY.
1096 2016-12-02 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1098 Backport from mainline
1099 2016-12-02 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1101 * config/s390/s390-modes.def (CCVEQANY, CCVH, CCVHANY, CCVHU)
1102 (CCVHUANY): Remove modes.
1103 (CCVIH, CCVIHU, CCVIALL, CCVIANY, CCVFALL, CCVFANY): Add modes and
1105 * config/s390/s390.c (s390_match_ccmode_set): Rename cc modes.
1106 (s390_expand_vec_compare_scalar): Pick one of the cc consumer
1108 (s390_branch_condition_mask): Adjust to use the new cc consumer
1109 modes. The new modes allow for proper reversal in the middle-end.
1110 (s390_expand_vec_compare_cc): Determine the proper cc producer and
1111 consumer modes for a comparison.
1112 * config/s390/s390.md: Rename CCVH to CCVIH and CCVHU to CCVIHU
1113 throughout the file.
1114 * config/s390/vx-builtins.md: Likewise.
1116 2016-12-01 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1118 Backport from mainline
1119 2016-12-01 Alan Modra <amodra@gmail.com>
1121 * gcc/config/rs6000/rs6000.c (insn_is_swappable_p): Properly
1122 look inside UNSPEC_VSX_XXSPLTW vec.
1124 2016-12-01 Michael Meissner <meissner@linux.vnet.ibm.com>
1126 Back port from trunk
1127 2016-11-17 Michael Meissner <meissner@linux.vnet.ibm.com>
1130 * config/rs6000/predicates.md (fusion_addis_mem_combo_load): Add
1131 the appropriate checks for SFmode/DFmode load/stores in GPR
1133 (fusion_addis_mem_combo_store): Likewise.
1134 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Rename
1135 fusion_fpr_* to fusion_vsx_* and add in support for ISA 3.0 scalar
1136 d-form instructions for traditional Altivec registers.
1137 (emit_fusion_p9_load): Likewise.
1138 (emit_fusion_p9_store): Likewise.
1139 * config/rs6000/rs6000.md (p9 fusion store peephole2): Remove
1140 early clobber from scratch register. Do not match if the register
1141 being stored is the scratch register.
1142 (fusion_vsx_<P:mode>_<FPR_FUSION:mode>_load): Rename fusion_fpr_*
1143 to fusion_vsx_* and add in support for ISA 3.0 scalar d-form
1144 instructions for traditional Altivec registers.
1145 (fusion_fpr_<P:mode>_<FPR_FUSION:mode>_load): Likewise.
1146 (fusion_vsx_<P:mode>_<FPR_FUSION:mode>_store): Likewise.
1147 (fusion_fpr_<P:mode>_<FPR_FUSION:mode>_store): Likewise.
1149 2016-12-01 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1151 Backport from mainline
1152 2016-11-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1156 * tree-ssa-ter.c (temp_expr_table): Add reg_vars_cnt field.
1157 (new_temp_expr_table): Initialise reg_vars_cnt.
1158 (free_temp_expr_table): Release reg_vars_cnt.
1159 (process_replaceable): Add reg_vars_cnt argument, set reg_vars_cnt
1161 (find_replaceable_in_bb): Use the above to record register variable
1162 write occurrences and cancel replacement across them.
1164 2016-11-29 Kaz Kojima <kkojima@gcc.gnu.org>
1166 Backported from mainline
1167 2016-11-19 Kaz Kojima <kkojima@gcc.gnu.org>
1170 * config/sh/sh-mem.cc (sh_expand_cmpnstr): Use copy_to_mode_reg
1171 instead of force_reg.
1172 (sh_expand_setmem): Likewise.
1174 2016-11-24 Eric Botcazou <ebotcazou@adacore.com>
1177 * tree.h (wi::fits_to_boolean_p): New predicate.
1178 (wi::fits_to_tree_p): Use it for boolean types.
1179 * tree.c (int_fits_type_p): Likewise.
1181 2016-11-24 Martin Liska <mliska@suse.cz>
1183 Backported from mainline
1184 2016-11-22 Martin Liska <mliska@suse.cz>
1187 * ipa-icf.c (void sem_item::set_hash): Update m_hash_set.
1188 (sem_function::get_hash): Use the new field.
1189 (sem_function::parse): Remove an argument from ctor.
1190 (sem_variable::parse): Likewise.
1191 (sem_variable::get_hash): Use the new field.
1192 (sem_item_optimizer::read_section): Use new ctor and set hash.
1193 * ipa-icf.h: _hash is removed from sem_item::sem_item,
1194 sem_variable::sem_variable, sem_function::sem_function.
1196 2016-11-23 Uros Bizjak <ubizjak@gmail.com>
1198 * config/i386/i386.md (*<any_or:code>hi_1): Fix operand 2 constraints.
1199 (kxnor<mode>): Return "#" for alternative 0.
1201 2016-11-23 Richard Biener <rguenther@suse.de>
1203 Backport from mainline
1204 2016-11-23 Richard Biener <rguenther@suse.de>
1207 * tree.c (gimple_canonical_types_compatible_p): Ignore zero-sized
1210 2016-11-17 Richard Biener <rguenther@suse.de>
1213 * fold-const.c (negate_expr_p): Fix multiplication case.
1215 2016-11-16 Richard Biener <rguenther@suse.de>
1218 * gimplify.c (gimplify_function_tree): Do not instrument
1219 GNU extern inline functions.
1221 2016-11-07 Richard Biener <rguenther@suse.de>
1223 PR tree-optimization/78228
1224 * tree-ssa-phiopt.c (abs_replacement): Avoid introducing
1227 2016-11-04 Richard Biener <rguenther@suse.de>
1230 * loop-invariant.c (find_exits): Record entering inner
1231 loops as possibly exiting to handle infinite sub-loops.
1232 * tree-ssa-loop-im.c: Include tree-ssa-loop-niter.h.
1233 (fill_always_executed_in_1): Honor infinite child loops.
1235 2016-10-06 Richard Biener <rguenther@suse.de>
1237 PR tree-optimization/77855
1238 * tree-ssa-pre.c (prune_clobbered_mems): Queue exprs to remove
1239 instead of removing the current item while iterating over the set
1242 2016-11-22 Walter Lee <walt@tilera.com>
1244 Backport from mainline
1245 2016-11-22 Walter Lee <walt@tilera.com>
1247 * config/tilegx/tilegx.md (trap): New pattern.
1248 * config/tilepro/tilepro.md (trap): Likewise.
1250 2016-11-22 Walter Lee <walt@tilera.com>
1252 Backport from mainline
1253 2016-11-22 Walter Lee <walt@tilera.com>
1255 * config/tilegx/tilegx.md (*zero_extract): Use
1256 define_insn_and_split instead of define_insn; Handle pos + size >
1258 (*sign_extract): Likewise.
1260 2016-11-22 Uros Bizjak <ubizjak@gmail.com>
1262 * Makefile.in ($(lang_checks_parallelized)): Fix detection
1265 2016-11-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1267 Backport from mainline
1268 2016-11-07 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1271 * config/aarch64/aarch64.md (*tb<optab><mode>1): Use
1272 aarch64_simd_shift_imm_<mode> predicate for operand 1.
1273 (<optab>, ANY_EXTRACT): Use tighter predicates on operands 2 and 3
1274 to restrict them to an appropriate range and add FAIL check if the
1275 region they specify is out of range. Delete useless constraint
1277 (*<optab><mode>, ANY_EXTRACT): Add appropriate predicates on operands
1278 2 and 3 to restrict their range and add pattern predicate.
1280 2016-11-18 Walter Lee <walt@tilera.com>
1282 Backport from mainline
1283 2016-11-18 Walter Lee <walt@tilera.com>
1285 * config/tilegx/tilegx.c (tilegx_gen_bundles): Preserve
1286 end-of-bundle marker for consecutive barriers.
1288 2016-11-18 Walter Lee <walt@tilera.com>
1290 Backport from mainline
1291 2016-11-18 Walter Lee <walt@tilera.com>
1293 * config/tilegx/tilegx.md (clzsi2): Fix for big-endian.
1295 2016-11-15 Matthias Klose <doko@ubuntu.com>
1297 * doc/install.texi: Move the 'Overriding configure test results'
1298 subsub section to the 'Cross-Compiler-Specific Options' sub section.
1300 2016-11-13 Eric Botcazou <ebotcazou@adacore.com>
1302 * ipa-icf.c (sem_function::merge): Do not create a wrapper also if the
1303 original function needs a static chain.
1305 2016-11-11 Uros Bizjak <ubizjak@gmail.com>
1308 * config/i386/i386.md (rotate to rotatex splitter): Avoid overflow
1309 when calculating operand 2.
1310 (rotate to rotatex zext splitter): Ditto.
1312 2016-11-11 Dominik Vogt <vogt@linux.vnet.ibm.com>
1315 * config/s390/s390.md ("extzv", "*extzv<mode>_zEC12")
1316 ("*extzv<mode>_z10"): Check validity of zero_extend arguments.
1318 2016-11-09 Uros Bizjak <ubizjak@gmail.com>
1321 * config/i386/i386.md (*<shift_insn><mode>3_doubleword): Mark
1322 operand 0 as earlyclobber.
1323 (*ashl<mode>3_doubleword): Ditto for all operand 0 alternatives.
1325 2016-11-07 Peter Bergner <bergner@vnet.ibm.com>
1328 2016-11-07 Peter Bergner <bergner@vnet.ibm.com>
1330 * config.gcc (powerpc*-*-*, rs6000*-*-*): Remove setting of
1331 INCLUDE_EXTRA_SPEC for Advance Toolchain builds.
1333 2016-11-06 Jack Howarth <howarth.at.gcc@gmail.com>
1336 * incpath.c: (remove_dup(): Also silently ignore EPERM.
1338 2016-11-07 Richard Biener <rguenther@suse.de>
1341 * config/i386/i386.c (ix86_gimple_fold_builtin): Do not adjust
1344 2016-11-03 Martin Liska <mliska@suse.cz>
1346 Backport from mainline
1347 2016-08-12 Martin Liska <mliska@suse.cz>
1348 Adam Fineman <afineman@afineman.com>
1350 * gcov.c (process_file): Create .gcov file when .gcda
1353 2016-11-03 Richard Biener <rguenther@suse.de>
1355 Backport from mainline
1356 2016-09-29 Richard Biener <rguenther@suse.de>
1358 PR tree-optimization/77768
1359 * tree-ssa-sccvn.c (visit_reference_op_store): Properly deal
1360 with stores to a place we know has a constant value.
1361 * tree-vrp.c (set_defs_to_varying): New helper avoiding
1362 writing to vr_const_varying.
1363 (vrp_initialize): Call it.
1364 (vrp_visit_stmt): Likewise.
1365 (evrp_dom_walker::before_dom_children): Likewise.
1366 * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
1367 Handle stores to readonly memory when removing redundant stores.
1369 2016-11-03 Eric Botcazou <ebotcazou@adacore.com>
1371 Backport from mainline
1372 2016-10-17 Eric Botcazou <ebotcazou@adacore.com>
1374 * explow.c (validize_mem): Do not modify the argument in-place.
1376 2016-11-02 Will Schmidt <will_schmidt@vnet.ibm.com>
1379 2016-10-26 Will Schmidt <will_schmidt@vnet.ibm.com>
1382 * gimplify.c (gimplify_init_constructor): Move emit of constructor
1383 assignment to earlier in the if/else logic.
1385 2016-11-02 Richard Biener <rguenther@suse.de>
1387 Backport from mainline
1388 2016-11-02 Richard Biener <rguenther@suse.de>
1390 PR tree-optimization/78047
1391 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Initialize
1392 fake field at offset zero conservatively regarding to may_have_pointers.
1394 2016-10-07 Richard Biener <rguenther@suse.de>
1396 PR tree-optimization/77879
1397 * tree-ssa-structalias.c (handle_const_call): Properly handle
1399 (handle_pure_call): Likewise.
1401 2016-10-06 Richard Biener <rguenther@suse.de>
1403 PR tree-optimization/77839
1404 * tree-ssa-sccvn.c (set_ssa_val_to): Forbid value -> constant value
1407 2016-09-27 Richard Biener <rguenther@suse.de>
1409 PR tree-optimization/77745
1410 * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
1411 When removing redundant stores make sure to check compatibility
1412 of the TBAA state for downstream accesses.
1413 * tree-ssa-sccvn.c (visit_reference_op_store): Likewise for when
1414 value-numbering virtual operands for store matches.
1416 2016-09-21 Richard Biener <rguenther@suse.de>
1418 PR tree-optimization/77648
1419 * tree-ssa-structalias.c (process_constraint): Handle all DEREF
1421 (make_transitive_closure_constraints): Adjust comment.
1422 (make_any_offset_constraints): New function.
1423 (handle_rhs_call): Make sure to first expand a pointer to all
1424 subfields before transitively closing it.
1425 (handle_const_call): Likewise. Properly expand returned
1427 (handle_pure_call): Likewise.
1429 2016-11-01 John David Anglin <danglin@gcc.gnu.org>
1432 * config/pa/pa.md: Add new shift/add patterns to handle
1433 (plus (mult (reg) (mem_shadd_operand)) (reg)) source operand.
1435 2016-11-01 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1437 Backport from mainline
1438 2016-10-21 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1440 PR rtl-optimization/78038
1441 * ree.c (get_defs): Return NULL if a defining insn for REG cannot
1442 be deduced to set REG through the RTL structure.
1443 (make_defs_and_copies_lists): Return false on a failing get_defs call.
1445 2016-10-29 John David Anglin <danglin@gcc.gnu.org>
1447 * config/pa/pa.h (BIGGEST_ALIGNMENT): Adjust comment.
1448 (MALLOC_ABI_ALIGNMENT): Define.
1450 2016-10-28 Richard Biener <rguenther@suse.de>
1454 * fold-const.c (make_bit_field_ref): Only adjust alias set
1455 when the original alias set was zero.
1457 2016-10-26 Uros Bizjak <ubizjak@gmail.com>
1459 Backport from mainline
1460 2016-10-21 Jakub Jelinek <jakub@redhat.com>
1463 * config/i386/i386.c: Include fold-const-call.h, tree-vrp.h
1464 and tree-ssanames.h.
1465 (ix86_fold_builtin): Fold IX86_BUILTIN_[LT]ZCNT{16,32,64}
1466 with INTEGER_CST argument.
1467 (ix86_gimple_fold_builtin): New function.
1468 (TARGET_GIMPLE_FOLD_BUILTIN): Define.
1470 Backport from mainline
1471 2016-10-20 Uros Bizjak <ubizjak@gmail.com>
1474 * config/i386/bmiintrin.h (__tzcnt_u16): Call __builtin_ia32_tzcnt_u16.
1475 (__tzcnt_u32, _tzcnt_u32): Call __builtin_ia32_tzcnt_u32.
1476 (__tzcnt_u64, _tzcnt_u64): Call __builtin_ia32_tzcnt_u64.
1477 * config/i386/lzcntintrin.h (__lzcnt_u16): Call
1478 __builtin_ia32_lzcnt_u16.
1479 (__lzcnt_u32, _lzcnt_u32): Call __builtin_ia32_lzcnt_u32.
1480 (__lzcnt_u64, _lzcnt_u64): Call __builtin_ia32_lzcnt_u64.
1481 * config/i386/i386.md (UNSPEC_LZCNT, UNSPEC_TZCNT): New unspecs.
1482 (ctz<mode>2, *ctz<mode>2): Use SWI48 mode iterator.
1483 (bmi_tzcnt_<mode>): New expander.
1484 (*bmi_tzcnt_<mode>_falsedep_1): New define_insn_and_split pattern.
1485 (*bmi_tzcnt_<mode>_falsedep, *bmi_tzcnt_<mode>): New insn patterns.
1486 (clz<mode>2_lzcnt, *clz<mode>2_lzcnt): Use SWI48 mode iterator.
1487 (lzcnt_<mode>): New expander.
1488 (*lzcnt_<mode>_falsedep_1): New define_insn_and_split pattern.
1489 (*lzcnt_<mode>_falsedep, *lzcnt_<mode>): New insn patterns.
1490 * config/i386/i386-builtin-types.def (UINT_FTYPE_UINT): New.
1491 (UINT64_FTYPE_UINT64): New.
1492 * config/i386/i386-builtin.def (__builtin_clzs): Remove description.
1493 (__builtin_ia32_lzcnt_u16): New description.
1494 (__builtin_ia32_lzcnt_u32): Ditto.
1495 (__builtin_ia32_lzcnt_u64): Ditto.
1496 (__builtin_ctzs): Remove description.
1497 (__builtin_ia32_tzcnt_u16): New description.
1498 (__builtin_ia32_tzcnt_u32): Ditto.
1499 (__builtin_ia32_tzcnt_u64): Ditto.
1500 * config/i386/i386.c (ix86_expand_args_builtin): Handle
1501 UINT_FTYPE_UINT and UINT64_FTYPE_UINT64.
1503 2016-10-25 Eric Botcazou <ebotcazou@adacore.com>
1505 * tree.h (wi::fits_to_tree_p): Accept only 0 and 1 for boolean types.
1506 * tree.c (int_fits_type_p): Likewise. Adjust head comment.
1508 2016-10-24 Bernd Edlinger <bernd.edlinger@hotmail.de>
1510 Backport from mainline
1511 2016-09-21 Bernd Edlinger <bernd.edlinger@hotmail.de>
1513 PR tree-optimization/77550
1514 * tree-vect-stmts.c (create_array_ref): Change parameters.
1515 (get_group_alias_ptr_type): New function.
1516 (vectorizable_store, vectorizable_load): Use get_group_alias_ptr_type.
1518 2016-10-23 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1520 Backport from mainline
1521 2016-10-17 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1523 PR tree-optimization/77916
1524 * gimple-ssa-strength-reduction.c (create_add_on_incoming_edge):
1525 Don't allow a MINUS_EXPR for pointer arithmetic for either known
1527 (record_increment): Increments of -1 for unknown strides just use
1528 a multiply initializer like other negative values.
1529 (analyze_increments): Remove stopgap solution for -1 increment
1530 applied to pointer arithmetic.
1531 (insert_initializers): Requirement of initializer for -1 should be
1532 based on pointer-typedness of the candidate basis.
1534 2016-10-23 Eric Botcazou <ebotcazou@adacore.com>
1536 * config/sparc/sparc.md (cpu_feature): Minor tweak.
1537 (enabled): Likewise.
1538 (movsi_insn, movdi_insn_sp32, movdi_insn_sp64, movsf_insn,
1539 movdf_insn_sp32, movdf_insn_sp64, zero_extendsidi2_insn_sp64,
1540 sign_extendsidi2_insn, mov<VM32:mode>_insn, mov<VM64:mode>_insn_sp64,
1541 mov<VM64:mode>_insn_sp32, not_<code><mode>, nand<mode>_vis,
1542 <code>_not1<mode>_vi, <code>_not2<mode>_vis, one_cmpl<mode>2,
1543 fcmp<code><GCM:gcm_name>, pdistn<mode>_vis): Likewise.
1545 2016-10-23 Eric Botcazou <ebotcazou@adacore.com>
1547 * config/sparc/sparc-c.c (sparc_target_macros): Replace TARGET_64BIT
1548 with TARGET_ARCH64. Define __VIS to 0x400 if TARGET_VIS4.
1550 2016-10-19 Uros Bizjak <ubizjak@gmail.com>
1553 * config/i386/i386.c (legitimize_tls_address)
1554 <case TLS_MODEL_INITIAL_EXEC>: For TARGET_64BIT || TARGET_ANY_GNU_TLS
1555 convert dest to Pmode if different than Pmode.
1557 2016-10-18 Kugan Vivekanandarajah <kuganv@linaro.org>
1559 Backport from mainline
1560 2016-10-11 Kugan Vivekanandarajah <kuganv@linaro.org>
1562 * tree-vrp.c (vrp_intersect_ranges_1): Allocate bitmap before
1565 2016-10-17 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1567 Backport from mainline
1568 2016-10-12 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1570 PR tree-optimization/77937
1571 * gimple-ssa-strength-reduction.c (analyze_increments): Use
1572 POINTER_TYPE_P on the candidate type to determine whether
1573 candidates in this chain require pointer arithmetic.
1575 2016-10-13 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1577 PR tree-optimization/77937
1578 * gimple-ssa-strength-reduction.c (analyze_increments): Set cost
1579 to infinite when we have a pointer with an increment of -1.
1581 2016-10-17 Martin Liska <mliska@suse.cz>
1583 Backported from mainline
1584 2016-10-13 Martin Liska <mliska@suse.cz>
1586 PR tree-optimization/77943
1587 * tree-ssa-tail-merge.c (merge_stmts_p): Do not merge BBs with
1588 a different EH landing pads.
1590 2016-10-17 Eric Botcazou <ebotcazou@adacore.com>
1593 Backport from mainline
1594 2016-10-11 Eric Botcazou <ebotcazou@adacore.com>
1596 * tree.h (build_complex_type): Add second parameter with default.
1597 * tree.c (build_complex_type): Add NAMED second parameter and adjust
1598 recursive call. Create a TYPE_DECL only if NAMED is true.
1599 (build_common_tree_nodes): Pass true in calls to build_complex_type.
1601 2016-10-16 Eric Botcazou <ebotcazou@adacore.com>
1603 * config/sparc/sparc.c (sparc_expand_vector_init): Only accept literal
1604 constants in CONST_VECTORs.
1606 2016-10-15 Eric Botcazou <ebotcazou@adacore.com>
1608 * config/sparc/sparc.c (sparc_expand_vec_perm_bmask): Use a scratch
1609 register as destination of bmask.
1610 (vector_init_bshuffle): Likewise.
1611 * config/sparc/sparc.md (vec_perm_constv8qi): Likewise.
1612 (bmaskdi_vis): Enable only in 64-bit mode.
1614 2016-10-13 Andrew Senkevich <andrew.senkevich@intel.com>
1617 * common/config/i386/i386-common.c (OPTION_MASK_ISA_PCOMMIT_UNSET,
1618 OPTION_MASK_ISA_PCOMMIT_SET): Deleted definitions.
1619 (ix86_handle_option): Deleted handle of OPT_mpcommit.
1620 * config.gcc: Deleted pcommitintrin.h
1621 * config/i386/pcommitintrin.h: Deleted file.
1622 * config/i386/cpuid.h (bit_PCOMMIT): Deleted.
1623 * config/i386/driver-i386.c (host_detect_local_cpu): Deleted pcommit
1625 * config/i386/i386-c.c (ix86_target_macros_internal): Deleted define
1627 * config/i386/i386.c (ix86_target_string): Deleted -mpcommit.
1628 (PTA_PCOMMIT, IX86_BUILTIN_PCOMMIT, __builtin_ia32_pcommit): Deleted.
1629 (ix86_option_override_internal): Deleted handle of option.
1630 (ix86_valid_target_attribute_inner_p): Deleted pcommit.
1631 * config/i386/i386.h (TARGET_PCOMMIT, TARGET_PCOMMIT_P): Deleted.
1632 * config/i386/i386.md (unspecv): Deleted UNSPECV_PCOMMIT.
1633 (pcommit): Deleted instruction.
1634 * config/i386/i386.opt: Mention -mpcommit deprecation.
1635 * config/i386/x86intrin.h: Deleted inclusion of pcommitintrin.h.
1637 2016-10-13 Tom de Vries <tom@codesourcery.com>
1640 2016-10-11 Tom de Vries <tom@codesourcery.com>
1642 backport from trunk:
1643 2016-10-11 Tom de Vries <tom@codesourcery.com>
1646 * builtins.c (std_canonical_va_list_type): Remove RECORD_TYPE
1649 2016-10-11 Tom de Vries <tom@codesourcery.com>
1651 backport from trunk:
1652 2016-10-11 Tom de Vries <tom@codesourcery.com>
1655 * builtins.c (std_canonical_va_list_type): Remove RECORD_TYPE
1658 2016-10-10 Georg-Johann Lay <avr@gjlay.de>
1660 * config/avr/gen-avr-mmcu-texi.c (string.h): Include.
1662 2016-10-06 Uros Bizjak <ubizjak@gmail.com>
1665 * config/i386/sse.md (<mask_codefor><code><mode>3<mask_name>):
1666 Remove wrong assert.
1667 (<floatsuffix>float<sseintvecmodelower><mode>2<mask_name><round_name>:
1668 Use <round_constraint> as operand 1 constraint.
1670 2016-10-06 James Clarke <jrtc27@jrtc27.com>
1671 Eric Botcazou <ebotcazou@adacore.com>
1674 * config/sparc/sparc.c (classify_data_t): Remove int_regs field.
1675 (classify_registers): Don't set it
1676 (function_arg_slotno): Don't initialize and test it. Tidy up.
1678 2016-10-04 Uros Bizjak <ubizjak@gmail.com>
1680 Backport from mainline
1681 2016-09-29 Uros Bizjak <ubizjak@gmail.com>
1683 * config/i386/driver-i386.c (host_detect_local_cpu): Check maximum
1684 ext_level before calling CPUID with 0x80000008.
1686 2016-09-29 Uros Bizjak <ubizjak@gmail.com>
1689 * config/i386/cpuid.h (__get_cpuid_count): New.
1690 (__get_cpuid): Rename __level to __leaf.
1692 2016-09-30 Michael Meissner <meissner@linux.vnet.ibm.com>
1694 Back port from trunk
1696 2016-09-21 Michael Meissner <meissner@linux.vnet.ibm.com>
1699 * config/rs6000/predicates.md (invert_fpmask_comparison_operator):
1700 New predicate that matches the ISA 3.0 XSCMP{EQ,GT,GE}DP
1701 instructions when you want to invert the test.
1702 * config/rs6000/rs6000.md (fpmask<mode>): Use the arguments in the
1703 correct order for XXSEL.
1704 (mov<SFDF:mode><SFDF2:mode>cc_invert_p9): Define the inverted test
1705 for using XSCMP{EQ,GT,GE}DP.
1707 2016-09-28 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1708 Alan Modra <amodra@gmail.com>
1710 Backport from mainline
1711 2016-07-01 Alan Modra <amodra@gmail.com>
1713 PR rtl-optimization/71709
1714 * ira-lives.c (find_call_crossed_cheap_reg): Exit loop on arg reg
1715 being set, not referenced.
1717 2016-09-27 David Edelsohn <dje.gcc@gmail.com>
1719 Backport from mainline
1720 2016-09-27 David Edelsohn <dje.gcc@gmail.com>
1722 * config/rs6000/rs6000.c (rs6000_output_symbol): Don't modify
1725 2016-09-24 David Edelsohn <dje.gcc@gmail.com>
1727 * configure.ac (gcc_cv_as_aix_dwloc): Fix typo in assembly fragment.
1728 * configure: Regenerate.
1730 2016-09-27 Richard Biener <rguenther@suse.de>
1732 Backport from mainline
1733 2016-09-01 Richard Biener <rguenther@suse.de>
1736 * tree-chrec.c (tree_fold_binomial): Use widest_int, properly
1737 check whether the result fits the desired result type.
1739 2016-09-19 Richard Biener <rguenther@suse.de>
1741 PR tree-optimization/77514
1742 * tree-ssa-pre.c (create_expression_by_pieces): Optimize
1743 search for folded stmt.
1745 2016-09-15 Richard Biener <rguenther@suse.de>
1747 PR tree-optimization/77514
1748 * tree-ssa-pre.c (create_expression_by_pieces): Handle garbage
1749 only forced_stmts sequence.
1751 2016-09-15 Richard Biener <rguenther@suse.de>
1754 * fold-const.c (split_tree): Do not split constant ~X.
1756 2016-09-19 Richard Biener <rguenther@suse.de>
1759 * tree-data-ref.c (analyze_subscript_affine_affine): Use the
1760 proper niter to bound the loops.
1762 2016-09-22 Richard Biener <rguenther@suse.de>
1765 * gimple-fold.c (fold_array_ctor_reference): Turn asserts into
1768 2016-09-25 Uros Bizjak <ubizjak@gmail.com>
1770 Backport from mainline
1771 2016-09-21 Richard Biener <rguenther@suse.de>
1772 Jakub Jelinek <jakub@redhat.com>
1774 PR tree-optimization/77621
1775 * tree-vect-data-refs.c (vect_analyze_data_ref_accesses): Split
1776 group at non-vectorizable stmts.
1778 Backport from mainline
1779 2016-09-20 Uros Bizjak <ubizjak@gmail.com>
1782 * config/i386/i386.c (ix86_preferred_simd_mode) <case DFmode>:
1783 Don't return word_mode for !TARGET_VECTORIZE_DOUBLE.
1784 (ix86_add_stmt_cost): Penalize DFmode vector operations
1785 for !TARGET_VECTORIZE_DOUBLE.
1787 2016-09-22 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
1789 Backport from 2016-09-22 trunk r240388.
1791 * config/avr/avr.c (avr_rtx_costs_1): Handle DImode MULT.
1792 (avr_address_cost): Replace 61 with MAX_LD_OFFSET(mode).
1794 2016-09-21 Segher Boessenkool <segher@kernel.crashing.org>
1796 * doc/rtl.texi (JUMP_LABEL): Document RETURN and SIMPLE_RETURN values.
1798 2016-09-21 Georg-Johann Lay <avr@gjlay.de>
1800 Backport from 2016-09-21 trunk r240306.
1803 * config/avr/avr.c (avr_notice_update_cc) [CC_NONE]: If insn
1804 touches some regs mentioned in cc_status, do CC_STATUS_INIT.
1806 2016-09-20 Thomas Preud'homme <thomas.preudhomme@arm.com>
1808 Backport from mainline
1809 2016-07-14 Thomas Preud'homme <thomas.preudhomme@arm.com>
1811 * lra-constraints.c (match_reload): Pass information about other
1812 output operands. Create new unique register value if matching input
1813 operand shares same register value as output operand being considered.
1814 (curr_insn_transform): Record output operands already processed.
1816 2016-09-16 Jonathan Wakely <jwakely@redhat.com>
1818 * doc/extend.texi (Integer Overflow Builtins): Fix type of out
1819 parameters for functions taking long long arguments.
1821 2016-09-16 David Edelsohn <dje.gcc@gmail.com>
1823 Backported from mainline
1824 2016-08-26 David Edelsohn <dje.gcc@gmail.com>
1827 * config/rs6000/xcoff.h (DWARF_OFFSET_SIZE): Define as PTR_SIZE.
1829 2016-09-16 Jakub Jelinek <jakub@redhat.com>
1830 Eric Botcazou <ebotcazou@adacore.com>
1833 * internal-fn.c (expand_arith_overflow) <case MINUS_EXPR>: Don't fall
1834 through into expand_addsub_overflow after expand_neg_overflow.
1836 2016-09-16 Jakub Jelinek <jakub@redhat.com>
1838 Backported from mainline
1839 2016-09-14 Jakub Jelinek <jakub@redhat.com>
1842 * tsan.c: Include target.h.
1843 (enum tsan_atomic_action): Add bool_clear and bool_test_and_set.
1844 (BOOL_CLEAR, BOOL_TEST_AND_SET): Define.
1845 (tsan_atomic_table): Add BUILT_IN_ATOMIC_CLEAR and
1846 BUILT_IN_ATOMIC_TEST_AND_SET entries.
1847 (instrument_builtin_call): Handle bool_clear and bool_test_and_set.
1849 2016-09-08 Jakub Jelinek <jakub@redhat.com>
1852 * omp-low.c (lower_rec_simd_input_clauses): Use max_vf for non-positive
1853 OMP_CLAUSE_SAFELEN_EXPR.
1855 2016-09-06 Jakub Jelinek <jakub@redhat.com>
1858 * config/i386/i386.c (ix86_expand_builtin): For builtin with
1859 unsupported or unknown ISA, use expand_call.
1861 2016-09-06 Uros Bizjak <ubizjak@gmail.com>
1863 Backport from mainline
1864 2016-09-05 Uros Bizjak <ubizjak@gmail.com>
1866 PR rtl-optimization/77452
1867 * explow.c (plus_constant) <case MEM>: Extract scalar constant from
1868 inner-mode reference to a CONST_VECTOR constant in the constant pool.
1870 2016-09-01 Jakub Jelinek <jakub@redhat.com>
1872 Backported from mainline
1873 2016-08-30 Jakub Jelinek <jakub@redhat.com>
1875 PR tree-optimization/72866
1876 * tree-vect-patterns.c (search_type_for_mask): Turn into
1877 a small wrapper, move all code to ...
1878 (search_type_for_mask_1): ... this new function. Add caching
1879 and adjust recursive calls.
1882 * dwarf2out.c (modified_type_die): Use lookup_type_die (type)
1883 instead of lookup_type_die (type_main_variant (type)) even for array
1887 * simplify-rtx.c (avoid_constant_pool_reference): For out of bounds
1888 constant pool reference return x instead of c.
1890 2016-08-19 Jakub Jelinek <jakub@redhat.com>
1892 * config/i386/t-i386 (i386-c.o): Don't depend on
1893 i386-builtin-types.inc.
1894 (i386.o): Depend on i386-builtin-types.inc.
1896 2016-08-17 Jakub Jelinek <jakub@redhat.com>
1899 * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children): If
1900 turning a call into __builtin_unreachable-like noreturn call, adjust
1901 gimple_call_set_fntype.
1902 * tree-cfgcleanup.c (fixup_noreturn_call): Remove lhs also if
1903 gimple_call_fntype has void return type.
1905 2016-08-16 Jakub Jelinek <jakub@redhat.com>
1908 * tree-cfg.c (execute_fixup_cfg): Add node variable, use it. Before inlining,
1909 add cgraph edge for the added __builtin_unreachable call.
1911 2016-09-01 Gerald Pfeifer <gerald@pfeifer.com>
1913 * doc/extend.texi (SPU Built-in Functions): Remove stale
1914 references to material formerly at IBM and Sony.
1916 2016-09-01 Matthew Wahab <matthew.wahab@arm.com>
1919 * config/arm/arm.c (neon_valid_immediate): Delete declaration.
1920 Use const_vec_duplicate to check for duplicated elements.
1922 2016-09-01 Eric Botcazou <ebotcazou@adacore.com>
1924 * config/i386/i386.c (ix86_option_override_internal): Also disable the
1925 STV pass if -mstackrealign is enabled.
1927 2016-08-31 Patrick Palka <ppalka@gcc.gnu.org>
1929 Backport from mainline
1930 2016-08-27 Patrick Palka <ppalka@gcc.gnu.org>
1932 PR tree-optimization/71077
1933 PR tree-optimization/68542
1934 * fold-const.c (fold_relational_const): Fix folding of
1935 VECTOR_CST comparisons that have a scalar boolean result type.
1937 2016-08-31 Gerald Pfeifer <gerald@pfeifer.com>
1939 * doc/install.texi (Binaries): www.opencsw.org now uses https.
1941 2016-08-31 Jakub Sejdak <jakub.sejdak@phoesys.com>
1943 * config.gcc: Add support for arm*-*-phoenix* targets.
1944 * config/arm/t-phoenix: New.
1945 * config/phoenix.h: New.
1947 2016-08-29 Uros Bizjak <ubizjak@gmail.com>
1950 * config/i386/sse.md (vec_set_lo_<mode><mask_name>): Fix assembler
1951 template for intel asm dialect.
1952 (vec_set_hi_<mode><mask_name>): Ditto.
1954 2016-08-29 Eric Botcazou <ebotcazou@adacore.com>
1956 * Makefile.in (gcov-iov.h): Add dummy recipe.
1958 2016-08-28 Uros Bizjak <ubizjak@gmail.com>
1960 Backport from mainline
1961 2016-08-23 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
1963 * config/i386/i386.c (processor_alias_table): Enable PTA_PRFCHW
1964 for targets amdfam10 and barcelona.
1966 Backport from mainline
1967 2016-08-21 Uros Bizjak <ubizjak@gmail.com>
1970 * config/i386/i386.md (prefetch): When TARGET_PRFCHW or
1971 TARGET_PREFETCHWT1 are disabled, emit 3dNOW! write prefetches for
1972 non-SSE2 athlons only, otherwise prefer SSE prefetches.
1974 Backport from mainline
1975 2016-08-19 Uros Bizjak <ubizjak@gmail.com>
1978 * config/i386/i386.c (ix86_option_override_internal): Remove
1979 PTA_PRFCHW from entries that also have PTA_3DNOW flag.
1980 Enable SSE prefetch also for TARGET_PREFETCHWT1.
1981 Do not try to enable TARGET_PRFCHW ISA flag here.
1982 * config/i386/i386.md (prefetch): Enable also for TARGET_3DNOW.
1983 Rewrite expander function body.
1984 (*prefetch_3dnow): Enable for TARGET_3DNOW and TARGET_PREFETCHWT1.
1986 2016-08-28 Tom de Vries <tom@codesourcery.com>
1988 backport from trunk:
1989 2016-08-28 Tom de Vries <tom@codesourcery.com>
1992 * config/i386/i386.c (ix86_build_builtin_va_list_64): Tag type with
1993 'sysv_abi va_list' attribute.
1994 (ix86_build_builtin_va_list): Tag type with 'ms_abi va_list' attribute.
1995 (ix86_canonical_va_list_type): Handle 'sysv_abi/ms_abi va_list'
1998 2016-08-25 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2000 Backport from mainline
2001 2016-08-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2004 * vsx.md (vsx_load_<mode>): For P8LE, emit swaps at expand time.
2005 (vsx_store_<mode>): Likewise.
2007 2016-08-24 Richard Biener <rguenther@suse.de>
2009 Backport from mainline
2010 2016-08-17 Richard Biener <rguenther@suse.de>
2012 PR tree-optimization/76490
2013 * tree-vrp.c (update_value_range): Preserve overflow infinities
2014 when intersecting with ranges from get_range_info.
2015 (operand_less_p): Handle overflow infinities correctly.
2016 (value_range_constant_singleton): Use vrp_operand_equal_p
2017 to handle overflow max/min correctly.
2018 (vrp_valueize): Likewise.
2019 (union_ranges): Likewise.
2020 (intersect_ranges): Likewise.
2022 2016-08-24 Sebastian Huber <sebastian.huber@embedded-brains.de>
2024 * config/arm/t-rtems: Add vfp multilib.
2026 2016-08-23 Richard Biener <rguenther@suse.de>
2028 Backport from mainline
2029 2016-08-16 Richard Biener <rguenther@suse.de>
2031 PR tree-optimization/76783
2032 * tree-ssa-propagate.c (ssa_prop_init): Use RPO order. Clear
2033 BB visited flags at start.
2035 2016-08-12 Richard Biener <rguenther@suse.de>
2037 PR tree-optimization/72851
2038 * tree-ssa-propagate.c: Include cfganal.h. Rewrite block and stmt
2039 worklists to use bitmaps indexed in execution order.
2040 (executable_blocks, cfg_blocks_num, cfg_blocks_tail, cfg_blocks_head,
2041 bb_in_list, interesting_ssa_edges, varying_ssa_edges): Remove.
2042 (cfg_blocks): Make a bitmap.
2043 (bb_to_cfg_order, cfg_order_to_bb, ssa_edge_worklist, uid_to_stmt):
2045 (cfg_blocks_empty_p): Adjust.
2046 (cfg_blocks_add): Likewise.
2047 (cfg_blocks_get): Likewise.
2048 (add_ssa_edge): Likewise.
2049 (add_control_edge): Likewise.
2050 (simulate_stmt): Likewise.
2051 (process_ssa_edge_worklist): Likewise.
2052 (simulate_block): Likewise.
2053 (ssa_prop_init): Compute PRE order and stmt UIDs.
2054 (ssa_prop_fini): Adjust.
2055 (ssa_propagate): Adjust.
2057 2016-08-22 Uros Bizjak <ubizjak@gmail.com>
2059 Backport from mainline
2060 2016-08-15 Uros Bizjak <ubizjak@gmail.com>
2063 * config/i386/sse.md (<code><mode>3<mask_name><round_saeonly_name>):
2064 Emit ieee_<ieee_maxmin><mode>3<mask_name><round_saeonly_name>
2065 for !flag_finite_math_only or flag_signed_zeros.
2066 (*<code><mode>3<mask_name><round_saeonly_name>): Rename from
2067 *<code><mode>3_finite<mask_name><round_saeonly_name>. Do not
2068 depend on flag_finite_math_only.
2069 (ieee_<ieee_maxmin><mode>3<mask_name><round_saeonly_name>):
2071 (*<code><mode>3<mask_name><round_saeonly_name>): Remove.
2072 (*ieee_smin<mode>3): Ditto.
2073 (*ieee_smax<mode>3): Ditto.
2074 * config/i386/mmx.md (mmx_<code>v2sf3): Emit
2075 mmx_ieee_<ieee_maxmin>v2sf3 for !flag_finite_math_only or
2077 (*mmx_<code>v2sf3): Rename from *mmx_<code>v2sf3_finite. Do not
2078 depend on flag_finite_math_only.
2079 (mmx_ieee_<ieee_maxmin>v2sf3): New insn pattern.
2080 (*mmx_<code>v2sf3): Remove.
2081 * config/i386/subst.md (round_saeonly_mask_arg3): New subst attribute.
2082 * config/i386/i386.c (ix86_expand_sse_fp_mimnax): Check
2083 flag_signed_zeros instead of !flag_unsafe_math_optimizations.
2085 2016-08-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2087 Backport from mainline
2088 2016-07-12 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2091 * expr.c (store_constructor): Mask sign-extended bits when widening
2092 sub-word constructor element at the start of a word.
2094 2016-08-22 Richard Biener <rguenther@suse.de>
2096 * BASE-VER: Set to 6.2.1.
2098 2016-08-22 Release Manager
2100 * GCC 6.2.0 released.
2102 2016-08-18 Chung-Lin Tang <cltang@codesourcery.com>
2104 Backport from mainline
2105 2016-08-18 Chung-Lin Tang <cltang@codesourcery.com>
2108 * gimplify.c (omp_add_variable): Adjust/add variable mapping on
2109 enclosing parallel construct for reduction variables on OpenACC loop
2112 2016-08-18 Oleg Endo <olegendo@gcc.gnu.org>
2114 Backport from mainline
2115 2016-06-17 DJ Delorie <dj@redhat.com>
2118 * config/rl78/rl78-expand.c (umulqihi3): Enable for G10.
2119 * config/rl78/rl78-virtual.c (umulhi3_shift_virt): Likewise.
2120 (umulqihi3_virt): Likewise.
2121 * config/rl78/rl78-real.c (umulhi3_shift_real): Likewise.
2122 (umulqihi3_real): Likewise.
2124 2016-08-16 Eric Botcazou <ebotcazou@adacore.com>
2126 * doc/install.texi (*-*-solaris2*): Adjust latest change.
2128 2016-08-15 Martin Liska <mliska@suse.cz>
2130 Backported from mainline
2131 2016-08-15 Martin Liska <mliska@suse.cz>
2134 * gcc.c (do_spec_1): Call save_string with the right size.
2136 2016-08-15 Jakub Jelinek <jakub@redhat.com>
2139 * dwarf2out.c (string_types): New variable.
2140 (gen_array_type_die): Change early_dwarf handling of
2141 DW_AT_string_length, create DW_OP_call4 referencing the
2142 length var temporarily. Handle parameters that are pointers
2144 (adjust_string_types): New function.
2145 (gen_subprogram_die): Temporarily set string_types to local var,
2146 call adjust_string_types if needed.
2147 (non_dwarf_expression, copy_deref_exprloc, optimize_string_length):
2149 (resolve_addr): Adjust DW_AT_string_length if it is DW_OP_call4.
2151 2016-08-15 Richard Biener <rguenther@suse.de>
2153 PR tree-optimization/73434
2154 * tree-ssa-sccvn.c (vn_reference_maybe_forwprop_address): Preserve
2155 TBAA info on the base when forwarding a non-invariant address.
2157 2016-08-15 Eric Botcazou <ebotcazou@adacore.com>
2159 * doc/install.texi (*-*-solaris2*): Fix version number and document
2160 requirement on GNU make for building libjava with the Solaris linker.
2162 2016-08-15 Martin Liska <mliska@suse.cz>
2163 Jakub Jelinek <jakub@redhat.com>
2165 PR tree-optimization/72824
2166 * tree-loop-distribution.c (const_with_all_bytes_same)
2167 <case VECTOR_CST>: Fix a typo.
2169 2016-08-14 Uros Bizjak <ubizjak@gmail.com>
2171 Backport from mainline
2172 2016-08-14 Uros Bizjak <ubizjak@gmail.com>
2175 * config/i386/avx512fintrin.h (_mm512_undefined_epi32):
2176 Renamed from _mm512_undefined_si512.
2177 (_mm_undefined_si512): New definition.
2179 Backport from mainline:
2180 2016-08-09 David Wohlferd <dw@LimeGreenSocks.com>
2182 * config/i3836/avx512fintrin.h (_mm512_cvtsepi64_epi32): Remove
2183 unused variable __O.
2185 Backport from mainline:
2186 2016-08-09 Uros Bizjak <ubizjak@gmail.com>
2189 * config/i386/i386.md (*movtf_internal): Use
2190 lra_in_progress || reload_completed instead of !can_create_pseudo_p
2191 in the insn constraint.
2192 (*movxf_internal): Ditto.
2193 (*movdf_internal): Ditto.
2194 (*movsf_internal): Ditto.
2196 2016-08-12 Jakub Jelinek <jakub@redhat.com>
2199 * ubsan.c (instrument_si_overflow): Pass true instead of false
2201 (pass_ubsan::execute): Call gimple_purge_dead_eh_edges at the end
2202 of bbs. Return TODO_cleanup_cfg if any returned true.
2204 2016-08-12 Bernd Edlinger <bernd.edlinger@hotmail.de>
2206 Backport from mainline
2207 2016-08-11 Bernd Edlinger <bernd.edlinger@hotmail.de>
2209 PR tree-optimization/71083
2210 * tree-predcom.c (ref_at_iteration): Correctly align the
2213 2016-08-12 James Greenhalgh <james.greenhalgh@arm.com
2215 Backport from mainline
2216 2016-08-05 James Greenhalgh <james.greenhalgh@arm.com>
2219 * config/aarch64/aarch64.h (aarch64_fp16_type_node): Declare.
2220 (aarch64_fp16_ptr_type_node): Likewise.
2221 * config/aarch64/aarch64-simd-builtins.c
2222 (aarch64_fp16_ptr_type_node): Define.
2223 (aarch64_init_fp16_types): New, refactored out of...
2224 (aarch64_init_builtins): ...here, update to call
2225 aarch64_init_fp16_types.
2226 * config/aarch64/aarch64.c (aarch64_gimplify_va_arg_expr): Handle
2228 (aapcs_vfp_sub_candidate): Likewise.
2230 2016-08-11 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2232 Backport from mainline
2233 2016-08-11 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2235 * config/s390/s390-builtin-types.def: Add INT128 types.
2236 * config/s390/s390-builtins.def: Add INT128 variants for the add
2237 sub low-level builtins dealing with TImode.
2238 * config/s390/s390.c (s390_expand_builtin): Allow mode conversions
2239 via subreg when expanding a builtin.
2240 * config/s390/s390.md: Remove UNSPEC_VEC_ADDC_U128,
2241 UNSPEC_VEC_SUB_U128, and UNSPEC_VEC_SUBC_U128 constants.
2243 * config/s390/vecintrin.h: Adjust builtin names accordingly.
2244 * config/s390/vx-builtins.md ("vec_add_u128"): Remove expander.
2245 ("vec_addc<mode>", "vec_addc_u128"): Merge to
2246 "vacc<bhfgq>_<mode>".
2247 ("vec_adde_u128"): Rename to "vacq". Change mode to TImode.
2248 ("vec_addec_u128"): Rename to "vacccq". Change mode to TImode.
2249 ("vec_subc<mode>", "vec_subc_u128"): Merge to
2250 "vscbi<bhfgq>_<mode>".
2251 ("vec_sube_u128"): Rename to "vsbiq". Change mode to TImode.
2252 ("vec_subec_u128"): Rename to "vsbcbiq". Change mode to TImode.
2254 2016-08-11 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2256 Backport from mainline
2257 2016-08-11 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2259 * config/s390/s390-builtins.def: Mark last operand of s390_vlvg*
2260 and s390_vlgv* builtins as element selector.
2262 2016-08-11 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2264 Backport from mainline
2265 2016-07-06 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2267 * config/s390/s390.c (s390_expand_vec_init): Force initializer
2268 element to register if it doesn't match general_operand.
2270 2016-08-11 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2272 Backport from mainline
2273 2016-06-13 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2275 * config/s390/vecintrin.h: Fix file description in comment.
2277 2016-08-11 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2279 Backport from mainline
2280 2016-06-13 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2282 * config/s390/s390-builtin-types.def: Change builtin type naming
2283 scheme to match builtin-types.def.
2285 2016-08-10 Michael Meissner <meissner@linux.vnet.ibm.com>
2287 Backport from mainline
2288 2016-08-10 Michael Meissner <meissner@linux.vnet.ibm.com>
2291 * config/rs6000/rs6000.c (mem_operand_ds_form): Add check for op
2292 being an offsettable address.
2294 2016-08-10 Jakub Jelinek <jakub@redhat.com>
2296 Backported from mainline
2297 2016-08-09 Jakub Jelinek <jakub@redhat.com>
2299 PR tree-optimization/72824
2300 * tree-loop-distribution.c (const_with_all_bytes_same): Verify
2301 real_zerop is not negative.
2303 2016-08-09 Martin Jambor <mjambor@suse.cz>
2306 * ipa-polymorphic-call.c (get_dynamic_type): Bail out gracefully
2307 if instance is a MEM_REF.
2309 2016-08-09 Richard Biener <rguenther@suse.de>
2311 Backport from mainline
2312 2016-08-09 Richard Biener <rguenther@suse.de>
2315 * ipa-prop.c (ipa_modify_formal_parameters): Build
2316 parameter types with natural alignment also for the
2319 2016-07-15 Richard Biener <rguenther@suse.de>
2321 PR tree-optimization/71881
2322 * tree-loop-distribution.c (destroy_loop): Remove blocks in
2323 reverse DOM order to make debug temp generation happy.
2325 2016-08-09 Alan Modra <amodra@gmail.com>
2328 * config/rs6000/rs6000.md (mov<mode>_hardfloat): Sort
2329 alternatives. Put loads first, then stores, and reg/reg moves
2330 within same class later. Delete attr length.
2332 2016-08-09 Alan Modra <amodra@gmail.com>
2335 * config/rs6000/rs6000.c (mem_operand_gpr): Remove vsx dform test.
2336 (mem_operand_ds_form): New predicate.
2337 * config/rs6000/rs6000-protos.h (mem_operand_ds_form): Declare.
2338 * config/rs6000/constraints.md (wY): New constraint.
2339 * config/rs6000/rs6000.md (f32_lm2, f32_sm2): Use wY for SF.
2340 (extendsfdf2_fpr): Replace o constraint with wY.
2342 2016-08-08 Georg-Johann Lay <avr@gjlay.de>
2344 Backport from 2016-07-29 trunk r238863.
2346 PR rtl-optimization/71976
2347 * combine.c (get_last_value): Return 0 if the argument for which
2348 the function is called has a wider mode than the recorded value.
2350 2016-08-04 Michael Meissner <meissner@linux.vnet.ibm.com>
2353 2016-07-26 Michael Meissner <meissner@linux.vnet.ibm.com>
2356 * config/rs6000/rs6000.c (rs6000_generate_compare): Rework
2357 __float128 support when we don't have hardware support, so that
2358 the IEEE built-in functions like isgreater, first call __unordkf3
2359 to make sure neither operand is a NaN, and if both operands are
2360 ordered, do the normal comparison.
2362 2016-08-04 Uros Bizjak <ubizjak@gmail.com>
2365 * config/i386/avx512fintrin.h (_mm512_cmp_epi32_mask) [!__OPTIMIZE__]:
2366 Cast builtin function result to __mmask16 instead of __mmask8.
2367 (_mm512_cmp_epu32_mask) [!__OPTIMIZE__]: Ditto.
2368 (_mm512_mask_cmp_epi32_mask) [!__OPTIMIZE__]: Ditto.
2369 (_mm512_mask_cmp_epu32_mask) [!__OPTIMIZE__]: Ditto.
2371 2016-08-03 Georg-Johann Lay <avr@gjlay.de>
2374 * common/config/avr/avr-common.c (avr_option_optimization_table)
2375 [OPT_LEVELS_ALL]: Turn off -fcaller-saves.
2377 2016-08-01 Georg-Johann Lay <avr@gjlay.de>
2379 Backport from 2016-08-01 trunk r238948.
2382 * config/avr/avr.md (length) [branch]: Correct insn length
2383 attribute for forward branches.
2385 2016-08-01 Georg-Johann Lay <avr@gjlay.de>
2387 Backport from 2016-06-16 trunk r237536.
2388 2016-06-16 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
2391 * config/avr/avr.c (avr_asm_init_sections): Remove setup of
2392 progmem_swtable_section.
2393 (progmem_swtable_section): Remove.
2394 (avr_asm_function_rodata_section): Remove.
2395 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
2396 * config/avr/avr.h (JUMP_TABLES_IN_TEXT_SECTION): Define to 1.
2398 2016-07-29 Marek Polacek <polacek@redhat.com>
2400 Backport from mainline
2401 2016-07-29 Marek Polacek <polacek@redhat.com>
2404 * config/rs6000/rs6000.c (altivec_expand_ld_builtin): Add break.
2405 (altivec_expand_st_builtin): Likewise.
2406 * config/i386/i386.c (ix86_expand_args_builtin): Likewise.
2407 (ix86_expand_round_builtin): Likewise.
2409 2016-07-27 Segher Boessenkool <segher@kernel.crashing.org>
2412 * config/rs6000/rs6000.c (rs6000_file_start): Fix condition for
2413 when to emit a ".machine" pseudo-op.
2415 2016-07-26 Alan Modra <amodra@gmail.com>
2418 * config/rs6000/rs6000.c (rs6000_secondary_reload): Initialize
2421 2016-07-21 Jakub Jelinek <jakub@redhat.com>
2424 * asan.c (asan_dynamic_init_call): Call asan_init_shadow_ptr_types
2425 before builtin_decl_implicit.
2427 * tree-object-size.c (unknown): Use HOST_WIDE_INT_M1U instead of -1.
2429 2016-07-21 Andrew Sutton <andrew.n.sutton@gmail.com>
2431 Improving concepts performance and diagnostics.
2432 * timevar.def (TV_CONSTRAINT_SAT, TV_CONSTRAINT_SUB): New time vars
2433 for constraint satisfaction and subsumption.
2434 * timevar.h (auto_timevar): New constructor that matches the push/pop
2435 pattern of usage in pt.c.
2437 2016-07-20 John David Anglin <danglin@gcc.gnu.org>
2439 Backport from mainline
2440 2016-07-16 John David Anglin <danglin@gcc.gnu.org>
2442 * config/pa/pa.c (hppa_profile_hook): Allocate stack space for
2443 register parameters. Remove code to initialize argument pointer
2444 on TARGET_64BIT. Optimize call to _mcount when it can be reached
2445 using a pc-relative branch. Cleanup conditional code.
2446 * config/pa/pa.md (call_mcount): New expander.
2447 (call_mcount_nonpic): New insn.
2448 (call_mcount_pic): New insn and split.
2449 (call_mcount_pic_post_reload): New insn.
2450 (call_mcount_64bit): New insn and split.
2451 (call_mcount_64bit_post_reload): New insn.
2453 2016-07-20 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2455 Backport from mainline
2456 2016-07-20 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2458 * config/s390/s390.c (s390_encode_section_info): Remove mode size
2461 2016-07-20 Martin Jambor <mjambor@suse.cz>
2464 * trans-decl.c (gfc_generate_function_code): Use get_create rather
2465 than create to get a call graph node.
2467 2016-07-19 Jakub Jelinek <jakub@redhat.com>
2469 PR rtl-optimization/71916
2470 * cfgrtl.c (contains_no_active_insn_p): Return false also for
2471 bb which have a single succ fake edge.
2473 2016-07-19 Aldy Hernandez <aldyh@redhat.com>
2476 * dwarf2out.c (gen_subprogram_die): Only call
2477 gen_unspecified_parameters_die while dumping early dwarf.
2479 2016-07-19 Jakub Jelinek <jakub@redhat.com>
2482 * gimple-fold.c (fold_builtin_memory_op): Use
2483 get_addr_base_and_unit_offset instead of get_ref_base_and_extent.
2485 2016-07-18 Michael Meissner <meissner@linux.vnet.ibm.com>
2487 Back port from mainline
2488 2016-07-18 Michael Meissner <meissner@linux.vnet.ibm.com>
2491 * config/rs6000/rs6000.c (rs6000_function_value): Fix
2492 unintentional System V.4 structure return breakage for structures
2493 with a single floating point element.
2495 2016-07-18 Martin Liska <mliska@suse.cz>
2497 Backported from mainline
2498 2016-07-12 Martin Liska <mliska@suse.cz>
2500 PR rtl-optimization/71634
2501 * ira-build.c (mark_loops_for_removal): Properly iterate
2504 2016-07-18 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2506 Backport from mainline
2507 2016-07-18 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2509 * config/s390/s390.c (s390_encode_section_info): Always set
2510 notaligned marker if mode size is 0 or no MEM_ALIGN info could be
2513 2016-07-15 Alan Modra <amodra@gmail.com>
2516 2016-07-11 Alan Modra <amodra@gmail.com>
2517 * config/rs6000/rs6000.md (UNSPEC_DOLOOP): New unspec.
2518 (ctr<mode>): Add unspec.
2519 (ctr<mode>_internal*): Likewise.
2521 2016-07-14 Alan Modra <amodra@gmail.com>
2524 * config/rs6000/rs6000.c (rs6000_option_override_internal): Deal
2525 with p9_vector override before power9-dform override.
2527 2016-07-13 Ilya Enkovich <ilya.enkovich@intel.com>
2529 Backport from mainline r238086.
2530 2016-07-07 Ilya Enkovich <ilya.enkovich@intel.com>
2533 * ipa-inline-analysis.c (compute_inline_parameters): Set
2534 local.can_change_signature to false for intrumentation
2537 2016-07-12 Michael Meissner <meissner@linux.vnet.ibm.com>
2538 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2540 Backport from mainline
2541 2016-07-05 Michael Meissner <meissner@linux.vnet.ibm.com>
2542 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2544 * config/rs6000/rs6000-protos.h (rs6000_split_signbit): New
2546 * config/rs6000/rs6000.c (rs6000_split_signbit): New function.
2547 * config/rs6000/rs6000.md (UNSPEC_SIGNBIT): New constant.
2548 (SIGNBIT): New mode iterator.
2549 (Fsignbit): New mode attribute.
2550 (signbit<mode>2): Change operand1 to match FLOAT128 instead of
2551 IBM128; dispatch to gen_signbit{kf,tf}2_dm for __float128
2552 when direct moves are available.
2553 (signbit<mode>2_dm): New define_insn_and_split).
2554 (signbit<mode>2_dm2): New define_insn.
2556 2016-07-12 Michael Meissner <meissner@linux.vnet.ibm.com>
2558 Backport from mainline
2559 2016-07-12 Michael Meissner <meissner@linux.vnet.ibm.com>
2562 * config/rs6000/altivec.md (altivec_vperm_<mode>_internal):
2563 The xxperm and xxpermr instructions require that the 2nd input
2564 operand overlap with the output operand, and not the 1st.
2565 (altivec_vperm_v8hiv16qi): Likewise.
2566 (altivec_vperm_<mode>_uns_internal): Likewise.
2567 (altivec_vpermr_<mode>_internal): Likewise.
2568 (vperm_v8hiv4si): Likewise.
2569 (vperm_v16qiv8hi): Likewise.
2571 2016-07-12 Segher Boessenkool <segher@kernel.crashing.org>
2573 Backport from mainline
2574 2016-07-06 Segher Boessenkool <segher@kernel.crashing.org>
2578 * config/rs6000/rs6000.md (*ctr<mode>_internal1, *ctr<mode>_internal2,
2579 *ctr<mode>_internal5, *ctr<mode>_internal6): Add *wi to the output
2582 2016-07-11 Jakub Jelinek <jakub@redhat.com>
2585 * omp-low.c (expand_omp_target): Gimplify device.
2587 PR tree-optimization/71823
2588 * tree-vect-stmts.c (vectorizable_operation): Use vect_get_vec_defs
2589 to get vec_oprnds2 from op2.
2591 2016-07-11 Yuri Rumyantsev <ysrumyan@gmail.com>
2593 Backport from mainline r238055.
2594 2016-07-06 Yuri Rumyantsev <ysrumyan@gmail.com>
2596 PR tree-optimization/71518
2597 * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Adjust
2598 misalign also for outer loops with negative step.
2600 2016-07-08 Martin Liska <mliska@suse.cz>
2602 Backported from mainline
2603 2016-07-08 Martin Liska <mliska@suse.cz>
2606 * fold-const.c (fold_convertible_p): As COMPLEX_TYPE
2607 folding produces SAVE_EXPRs, thus return false for the type.
2609 2016-07-08 Kelvin Nilsen <kelvin@gcc.gnu.org>
2611 * config/rs6000/rs6000-builtin.def (BU_P9_MISC_1): Remove
2612 redundant and erroneous definition of this macro accidentally
2613 inserted during backporting.
2614 (BU_P9_64BIT_MISC_0): Likewise.
2615 (BU_P9_MISC_0): Likewise.
2617 2016-07-08 Jiong Wang <jiong.wang@arm.com>
2619 Back port from the trunk
2620 2016-07-08 Jiong Wang <jiong.wang@arm.com>
2622 * config/aarch64/aarch64-simd-builtins.def (smax): Remove float
2627 * config/aarch64/arm_neon.h (vmaxnm_f32): Use
2628 __builtin_aarch64_fmaxv2sf.
2629 (vmaxnmq_f32): Likewise.
2630 (vmaxnmq_f64): Likewise.
2631 (vminnm_f32): Likewise.
2632 (vminnmq_f32): Likewise.
2633 (vminnmq_f64): Likewise.
2635 2016-07-08 Michael Meissner <meissner@linux.vnet.ibm.com>
2637 Back port from trunk
2638 2016-07-08 Michael Meissner <meissner@linux.vnet.ibm.com>
2641 * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Do not
2642 enable -mfloat128-hardware by default.
2643 (ISA_3_0_MASKS_IEEE): New macro to give all of the VSX options
2644 that IEEE 128-bit hardware support needs.
2645 * config/rs6000/rs6000.c (rs6000_option_override_internal): If
2646 -mcpu=power9 -mfloat128, enable -mfloat128-hardware by default.
2647 Use ISA_3_0_MASKS_IEEE as the set of options that IEEE 128-bit
2648 floating point requires.
2649 * doc/invoke.texi (RS/6000 and PowerPC Options): Document
2650 -mfloat128 and -mfloat128-hardware changes.
2652 2016-07-08 Kelvin Nilsen <kelvin@gcc.gnu.org>
2654 Backport from mainline r237912
2655 2016-07-01 Kelvin Nilsen <kelvin@gcc.gnu.org>
2657 * config/rs6000/altivec.md (*altivec_vpermr_<mode>_internal):
2658 Exchange the order of the second and third operands in the vpermr
2659 instruction tmeplate.
2661 2016-07-07 Michael Meissner <meissner@linux.vnet.ibm.com>
2663 Back port from the trunk
2664 2016-07-01 Michael Meissner <meissner@linux.vnet.ibm.com>
2667 * config/rs6000/vsx.md (vsx_splat_v4sf_internal): When splitting
2668 the insns, use an insn form that does not adjust the offset on
2669 little endian systems.
2671 2016-07-07 Kelvin Nilsen <kelvin@gcc.gnu.org>
2673 Backport from mainline r237885
2674 2016-06-30 Kelvin Nilsen <kelvin@gcc.gnu.org>
2676 * config/rs6000/altivec.md (darn_32): Change the condition to
2677 TARGET_P9_MISC instead of TARGET_MODULO.
2678 (darn_raw): Replace TARGET_MODULO with TARGET_P9_MISC in the
2679 condition expression.
2680 (darn): Replace TARGET_MODULO with TARGET_P9_MISC in the
2681 condition expression.
2682 * config/rs6000/dfp.md (UNSPEC_DTSTSFI): New unspec constant.
2683 (DFP_TEST): New code iterator.
2684 (dfptstsfi_<code>_mode>): New define_expand.
2685 (*dfp_sgnfcnc_<mode>): New define_insn.
2686 * config/rs6000/rs6000-builtin.def (BU_P9_MISC_0): Move this macro
2687 definition next to BU_P9_MISC_1 definition and change the MASK
2688 value to RS6000_BTM_P9_MISC.
2689 (BU_P9_MISC_1): Change the MASK value to RS6000_BTM_P9_MISC.
2690 (BU_P9_64BIT_MISC_0): Likewise.
2691 (BU_P9_DFP_MISC_0): New macro definition.
2692 (BU_P9_DFP_MISC_1): New macro definition.
2693 (BU_P9_DFP_MISC_2): New macro definition.
2694 (BU_P9_DFP_OVERLOAD_1): New macro definition.
2695 (BU_P9_DFP_OVERLOAD_2): New macro definition.
2696 (BU_P9_DFP_OVERLOAD_3): New macro definition.
2697 (TSTSFI_LT_DD): New BU_P9_DFP_MISC_2.
2698 (TSTSFI_LT_TD): Likewise.
2699 (TSTSFI_EQ_DD): Likewise.
2700 (TSTSFI_EQ_TD): Likewise.
2701 (TSTSFI_GT_DD): Likewise.
2702 (TSTSFI_GT_TD): Likewise.
2703 (TSTSFI_OV_DD): Likewise.
2704 (TSTSFI_OV_TD): Likewise.
2705 (TSTSFI_LT): New BU_P9_DFP_OVERLOAD_2.
2706 (TSTSFI_LT_DD): Likewise.
2707 (TSTSFI_LT_TD): Likewise.
2708 (TSTSFI_EQ): Likewise.
2709 (TSTSFI_EQ_DD): Likewise.
2710 (TSTSFI_EQ_TD): Likewise.
2711 (TSTSFI_GT): Likewise.
2712 (TSTSFI_GT_DD): Likewise.
2713 (TSTSFI_GT_TD): Likewise.
2714 (TSTSFI_OV): Likewise.
2715 (TSTSFI_OV_DD): Likewise.
2716 (TSTSFI_OV_TD): Likewise.
2717 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
2718 overloaded test significance functions.
2719 * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
2720 OPTION_MASK_P9_MISC into the representation of this mask.
2721 (POWERPC_MASKS): Add OPTION_MASK_P9_MISC into the representation
2723 * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Set the
2724 RS6000_BTM_P9_MISC flag in the return value if TARGET_P9_MISC is
2726 (rs6000_expand_binop_builtin): Enforce that argument 0 of the exp
2727 argument is a 6-bit unsigned literal value if the icode argument
2728 represents a DFP test significance built-in call.
2729 (rs6000_invalid_builtin): Add support for the RS6000_BTM_P9_MISC
2730 flag used independently and in combination with the
2731 RS6000_BTM_64BIT flag.
2732 (rs6000_opt_masks): Add entry for power9-misc command-line option.
2733 (rs6000_builtin_mask_names): Add entry for power9-misc
2734 command-line option.
2735 * config/rs6000/rs6000.h: Redefine TARGET_P9_MISC as 0 if
2736 HAVE_AS_POWER9 is not a defined macro. Define MASK_P9_MISC and
2737 RS6000_BTM_P9_MISC macros.
2738 * config/rs6000/rs6000.opt: Add support for the -mpower9-misc
2739 option and change the description of the -mpower9-vector option to
2740 enable only vector instructions, removing its erroneously claimed
2741 support for scalar instructions.
2742 * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
2743 the ISA 3.0 digital floating point test significance built-in
2746 2016-07-07 Richard Biener <rguenther@suse.de>
2748 Backport from mainline
2749 2016-06-13 Richard Biener <rguenther@suse.de>
2752 * fold-const.c (fold_unary_loc): Preserve alignment when
2753 folding a VIEW_CONVERT_EXPR into a MEM_REF.
2755 2016-07-07 Richard Biener <rguenther@suse.de>
2757 Backport from mainline
2758 2016-05-25 Richard Biener <rguenther@suse.de>
2760 PR tree-optimization/71264
2761 * tree-vect-stmts.c (vect_init_vector): Properly deal with
2764 2016-06-07 Richard Biener <rguenther@suse.de>
2767 * match.pd ((X | ~Y) -> Y <= X): Properly invert the comparison
2770 2016-06-14 Richard Biener <rguenther@suse.de>
2772 PR tree-optimization/71521
2773 * tree-vrp.c (extract_range_from_binary_expr_1): Guard
2774 division int_const_binop against zero divisor.
2776 2016-06-08 Richard Biener <rguenther@suse.de>
2778 PR tree-optimization/71452
2779 * tree-ssa.c (non_rewritable_lvalue_p): Make sure that the
2780 type used for the SSA rewrite has enough precision to cover
2781 the dynamic type of the location.
2783 2016-06-14 Richard Biener <rguenther@suse.de>
2785 PR tree-optimization/71522
2786 * tree-ssa.c (non_rewritable_lvalue_p): Do not rewrite non-float
2787 copying into float copying.
2789 2016-07-06 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
2791 Backport from mainline
2792 2016-07-06 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
2795 * config/avr/avr.c (avr_asm_select_section): Strip off
2796 SECTION_DECLARED from flags when calling get_section.
2798 2016-07-05 Pat Haugen <pthaugen@us.ibm.com>
2800 Backport from mainline
2801 2016-06-28 Pat Haugen <pthaugen@us.ibm.com>
2803 * config/rs6000/rs6000.md ('type' attribute): Add htmsimple/dfp types.
2804 ('size' attribute): Add '128'.
2806 (*mov<mode>_hardfloat32, *mov<mode>_hardfloat64, *movdi_internal32,
2807 *movdi_internal64, *movdf_update1): Set size attribute to '64'.
2808 (add<mode>3, sub<mode>3, mul<mode>3, div<mode>3, sqrt<mode>2,
2809 copysign<mode>3, neg<mode>2_hw, abs<mode>2_hw, *nabs<mode>2_hw,
2810 *fma<mode>4_hw, *fms<mode>4_hw, *nfma<mode>4_hw, *nfms<mode>4_hw,
2811 extend<SFDF:mode><IEEE128:mode>2_hw, trunc<mode>df2_hw,
2812 *xscvqp<su>wz_<mode>, *xscvqp<su>dz_<mode>, *xscv<su>dqp_<mode>,
2813 *trunc<mode>df2_odd): Set size attribute to '128'.
2814 (*cmp<mode>_hw): Change type to veccmp and set size attribute to '128'.
2815 * config/rs6000/power6.md (power6-fp): Include dfp type.
2816 * config/rs6000/power7.md (power7-fp): Likewise.
2817 * config/rs6000/power8.md (power8-fp): Likewise.
2818 * config/rs6000/power9.md: New file.
2819 * config/rs6000/t-rs6000 (MD_INCLUDES): Add power9.md.
2820 * config/rs6000/htm.md (*tabort, *tabort<wd>c, *tabort<wd>ci,
2821 *trechkpt, *treclaim, *tsr, *ttest): Change type attribute to
2823 * config/rs6000/dfp.md (extendsddd2, truncddsd2, extendddtd2,
2824 trunctddd2, adddd3, addtd3, subdd3, subtd3, muldd3, multd3, divdd3,
2825 divtd3, *cmpdd_internal1, *cmptd_internal1, floatdidd2, floatditd2,
2826 ftruncdd2, fixdddi2, ftrunctd2, fixtddi2, dfp_ddedpd_<mode>,
2827 dfp_denbcd_<mode>, dfp_dxex_<mode>, dfp_diex_<mode>, dfp_dscli_<mode>,
2828 dfp_dscri_<mode>): Change type attribute to dfp.
2829 * config/rs6000/crypto.md (crypto_vshasigma<CR_char>): Change type
2830 attribute to vecsimple.
2831 * config/rs6000/rs6000.c (power9_cost): Update costs, cache size
2832 and prefetch streams.
2833 (rs6000_option_override_internal): Remove temporary code setting
2834 tuning to power8. Don't set rs6000_sched_groups for power9.
2835 (last_scheduled_insn): Change to rtx_insn *.
2836 (divide_cnt, vec_load_pendulum): New variables.
2837 (rs6000_adjust_cost): Add Power9 to test for store->load separation.
2838 (rs6000_issue_rate): Set issue rate for Power9.
2839 (is_power9_pairable_vec_type): New.
2840 (power9_sched_reorder2): New.
2841 (rs6000_sched_reorder2): Call new function for Power9 specific
2843 (insn_must_be_first_in_group): Remove Power9.
2844 (insn_must_be_last_in_group): Likewise.
2845 (force_new_group): Likewise.
2846 (rs6000_sched_init): Fix initialization of last_scheduled_insn.
2847 Initialize divide_cnt/vec_load_pendulum.
2848 (_rs6000_sched_context, rs6000_init_sched_context,
2849 rs6000_set_sched_context): Handle context save/restore of new
2852 2016-07-05 Pat Haugen <pthaugen@us.ibm.com>
2854 Backport from mainline
2855 2016-06-27 Pat Haugen <pthaugen@us.ibm.com>
2857 * config/rs6000/rs6000.md ('type' attribute): Add
2858 veclogical,veccmpfx,vecexts,vecmove insn types.
2859 (*abs<mode>2_fpr, *nabs<mode>2_fpr, *neg<mode>2_fpr, *extendsfdf2_fpr,
2860 copysign<mode>3_fcpsgn, trunc<mode>df2_internal1, neg<mode>2_internal,
2861 p8_fmrgow_<mode>, pack<mode>): Change type to fpsimple.
2862 (*xxsel<mode>, copysign<mode>3_hard, neg<mode>2_hw, abs<mode>2_hw,
2863 *nabs<mode>2_hw): Change type to vecmove.
2864 (*and<mode>3_internal, *bool<mode>3_internal, *boolc<mode>3_internal,
2865 *boolcc<mode>3_internal, *eqv<mode>3_internal,
2866 *one_cmpl<mode>3_internal, *ieee_128bit_vsx_neg<mode>2_internal,
2867 *ieee_128bit_vsx_abs<mode>2_internal,
2868 *ieee_128bit_vsx_nabs<mode>2_internal, extendkftf2, trunctfkf2,
2869 *ieee128_mfvsrd_64bit, *ieee128_mfvsrd_32bit, *ieee128_mtvsrd_64bit,
2870 *ieee128_mtvsrd_32bit): Change type to veclogical.
2871 (mov<mode>_hardfloat, *mov<mode>_hardfloat32, *mov<mode>_hardfloat64,
2872 *movdi_internal32, *movdi_internal64): Update insn types.
2873 * config/rs6000/vsx.md (*vsx_le_undo_permute_<mode>,
2874 vsx_extract_<mode>): Change type to veclogical.
2875 (*vsx_xxsel<mode>, *vsx_xxsel<mode>_uns): Change type to vecmove.
2876 (vsx_sign_extend_qi_<mode>, *vsx_sign_extend_hi_<mode>,
2877 *vsx_sign_extend_si_v2di): Change type to vecexts.
2878 * config/rs6000/altivec.md (*altivec_mov<mode>, *altivec_movti): Change
2880 (*altivec_eq<mode>, *altivec_gt<mode>, *altivec_gtu<mode>,
2881 *altivec_vcmpequ<VI_char>_p, *altivec_vcmpgts<VI_char>_p,
2882 *altivec_vcmpgtu<VI_char>_p): Change type to veccmpfx.
2883 (*altivec_vsel<mode>, *altivec_vsel<mode>_uns): Change type to vecmove.
2884 * config/rs6000/dfp.md (*negdd2_fpr, *absdd2_fpr, *nabsdd2_fpr,
2885 negtd2, *abstd2_fpr, *nabstd2_fpr): Change type to fpsimple.
2886 * config/rs6000/40x.md (ppc405-float): Add fpsimple.
2887 * config/rs6000/440.md (ppc440-fp): Add fpsimple.
2888 * config/rs6000/476.md (ppc476-fp): Add fpsimple.
2889 * config/rs6000/601.md (ppc601-fp): Add fpsimple.
2890 * config/rs6000/603.md (ppc603-fp): Add fpsimple.
2891 * config/rs6000/6xx.md (ppc604-fp): Add fpsimple.
2892 * config/rs6000/7xx.md (ppc750-fp): Add fpsimple.
2893 (ppc7400-vecsimple): Add veclogical, vecmove, veccmpfx.
2894 * config/rs6000/7450.md (ppc7450-fp): Add fpsimple.
2895 (ppc7450-vecsimple): Add veclogical, vecmove.
2896 (ppc7450-veccmp): Add veccmpfx.
2897 * config/rs6000/8540.md (ppc8540_simple_vector): Add veclogical,
2899 (ppc8540_vector_compare): Add veccmpfx.
2900 * config/rs6000/a2.md (ppca2-fp): Add fpsimple.
2901 * config/rs6000/cell.md (cell-fp): Add fpsimple.
2902 (cell-vecsimple): Add veclogical, vecmove.
2903 (cell-veccmp): Add veccmpfx.
2904 * config/rs6000/e300c2c3.md (ppce300c3_fp): Add fpsimple.
2905 * config/rs6000/e6500.md (e6500_vecsimple): Add veclogical, vecmove,
2907 * config/rs6000/mpc.md (mpccore-fp): Add fpsimple.
2908 * config/rs6000/power4.md (power4-fp): Add fpsimple.
2909 (power4-vecsimple): Add veclogical, vecmove.
2910 (power4-veccmp): Add veccmpfx.
2911 * config/rs6000/power5.md (power5-fp): Add fpsimple.
2912 * config/rs6000/power6.md (power6-fp): Add fpsimple.
2913 (power6-vecsimple): Add veclogical, vecmove.
2914 (power6-veccmp): Add veccmpfx.
2915 * config/rs6000/power7.md (power7-fp): Add fpsimple.
2916 (power7-vecsimple): Add veclogical, vecmove, veccmpfx.
2917 * config/rs6000/power8.md (power8-fp): Add fpsimple.
2918 (power8-vecsimple): Add veclogical, vecmove, veccmpfx.
2919 * config/rs6000/rs64.md (rs64a-fp): Add fpsimple.
2920 * config/rs6000/titan.md (titan_fp): Add fpsimple.
2921 * config/rs6000/xfpu.md (fp-default, fp-addsub-s, fp-addsub-d): Add
2923 * config/rs6000/rs6000.c (rs6000_adjust_cost): Add TYPE_FPSIMPLE.
2925 2016-07-05 Kelvin Nilsen <kelvin@gcc.gnu.org>
2927 Backport from mainline r237391
2928 2016-06-13 Kelvin Nilsen <kelvin@gcc.gnu.org>
2930 * config/rs6000/rs6000.h (RS6000_BTM_COMMON): Add the
2931 RS6000_BTM_MODULO flag into the set of flags that are considered
2932 to be part of the common configuration.
2934 2016-07-04 Jakub Jelinek <jakub@redhat.com>
2937 * tree.c (attribute_value_equal): Use get_attribute_name instead of
2938 directly using TREE_PURPOSE.
2940 2016-07-04 Segher Boessenkool <segher@kernel.crashing.org>
2942 Backport from mainline
2943 2016-06-27 Segher Boessenkool <segher@kernel.crashing.org>
2946 * config/rs6000/rs6000.md (ashdi3_extswsli_dot): Use
2947 gen_ashdi3_extswsli_dot2 instead of gen_ashdi3_extswsli_dot.
2949 2016-07-02 Jakub Jelinek <jakub@redhat.com>
2951 Backported from mainline
2952 2016-06-28 Jakub Jelinek <jakub@redhat.com>
2955 * config/i386/i386.c (ix86_expand_vector_move): For SUBREG of
2956 a constant, force its SUBREG_REG into memory or register instead
2959 2016-06-20 Jakub Jelinek <jakub@redhat.com>
2962 * config/i386/i386.c (ix86_fp_cmp_code_to_pcmp_immediate): Fix up
2963 returned values and add UN*/LTGT/*ORDERED cases with values matching
2964 D operand modifier on vcmp for AVX.
2966 2016-07-01 Kelvin Nilsen <kelvin@gcc.gnu.org>
2968 Backport from trunk r237659
2969 2016-06-21 Kelvin Nilsen <kelvin@gcc.gnu.org>
2971 * config/rs6000/rs6000.h: Add conditional preprocessing directives
2972 to disable Power9-specific compiler features if HAVE_AS_POWER9 is
2975 2016-07-01 Peter Bergner <bergner@vnet.ibm.com>
2978 2016-06-27 Peter Bergner <bergner@vnet.ibm.com>
2981 * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
2982 OPTION_MASK_P9_DFORM_VECTOR.
2983 * config/rs6000/rs6000.c (rs6000_option_override_internal): Do not
2984 disable -mpower9-dform-vector when using reload.
2985 (quad_address_p): Remove 'gpr_p' argument and all associated code.
2986 New 'strict' argument. Update all callers. Add strict addressing
2988 (rs6000_legitimate_offset_address_p): Remove call to
2989 virtual_stack_registers_memory_p.
2990 (rs6000_legitimize_reload_address): Add quad address support.
2991 (rs6000_legitimate_address_p): Move call to quad_address_p above
2992 call to virtual_stack_registers_memory_p. Adjust quad_address_p args
2993 to account for new strict usage.
2994 (rs6000_output_move_128bit): Adjust quad_address_p args to account
2995 for new strict usage.
2996 * config/rs6000/predicates.md (quad_memory_operand): Likewise.
2998 2016-07-01 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3000 Backport from mainline
3001 2016-06-24 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3003 * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): New #define.
3004 (BU_FLOAT128_1): Likewise.
3006 (COPYSIGNQ): Likewise.
3007 (RS6000_BUILTIN_NANQ): Likewise.
3008 (RS6000_BUILTIN_NANSQ): Likewise.
3009 (RS6000_BUILTIN_INFQ): Likewise.
3010 (RS6000_BUILTIN_HUGE_VALQ): Likewise.
3011 * config/rs6000/rs6000.c (rs6000_fold_builtin): New prototype.
3012 (TARGET_FOLD_BUILTIN): New #define.
3013 (rs6000_builtin_mask_calculate): Add TARGET_FLOAT128 entry.
3014 (rs6000_invalid_builtin): Add handling for RS6000_BTM_FLOAT128.
3015 (rs6000_fold_builtin): New target hook implementation, handling
3016 folding of 128-bit NaNs and infinities.
3017 (rs6000_init_builtins): Initialize const_str_type_node; ensure all
3018 entries are filled in to avoid problems during bootstrap
3019 self-test; define builtins for 128-bit NaNs and infinities.
3020 (rs6000_opt_mask): Add entry for float128.
3021 * config/rs6000/rs6000.h (RS6000_BTM_FLOAT128): New #define.
3022 (RS6000_BTM_COMMON): Include RS6000_BTM_FLOAT128.
3023 (rs6000_builtin_type_index): Add RS6000_BTI_const_str.
3024 (const_str_type_node): New #define.
3025 * config/rs6000/rs6000.md (copysign<mode>3 for IEEE128): Convert
3026 to a define_expand that dispatches to either copysign<mode>3_soft
3027 or copysign<mode>3_hard.
3028 (copysign<mode>3_hard): Rename from copysign<mode>3.
3029 (copysign<mode>3_soft): New define_insn.
3030 * doc/extend.texi: Document new builtins.
3032 2016-07-01 Peter Bergner <bergner@vnet.ibm.com>
3035 2016-07-01 Peter Bergner <bergner@vnet.ibm.com>
3038 * config/rs6000/rs6000.c (rs6000_secondary_reload_simple_move): Disallow
3041 2016-07-01 Kelvin Nilsen <kelvin@gcc.gnu.org>
3043 Backport from trunk r236992
3044 2016-06-01 Kelvin Nilsen <kelvin@gcc.gnu.org>
3046 * config/rs6000/altivec.h (vec_slv): New macro.
3047 (vec_srv): New macro.
3048 * config/rs6000/altivec.md (UNSPEC_VSLV): New value.
3049 (UNSPEC_VSRV): New value.
3052 * config/rs6000/rs6000-builtin.def (vslv): New builtin definition.
3053 (vsrv): New builtin definition.
3054 * config/rs6000/rs6000-c.c (P9V_BUILTIN_VSLV): Macro expansion to
3055 define argument types for new builtin.
3056 (P9V_BUILTIN_VSRV): Macro expansion to define argument types for
3058 * doc/extend.texi: Document the new vec_vslv and vec_srv built-in
3061 2016-07-01 Eric Botcazou <ebotcazou@adacore.com>
3063 * config/arm/arm.c (arm_function_ok_for_sibcall): Add another check
3066 2016-06-30 Kelvin Nilsen <kelvin@gcc.gnu.org>
3068 Backport from trunk r237390
3069 2016-06-13 Kelvin Nilsen <kelvin@gcc.gnu.org>
3071 * config/rs6000/altivec.h (vec_absd): New macro for vector absolute
3072 difference unsigned.
3073 (vec_absdb): New macro for vector absolute difference unsigned
3075 (vec_absdh): New macro for vector absolute difference unsigned
3077 (vec_absdw): New macro for vector absolute difference unsigned word.
3078 * config/rs6000/altivec.md (UNSPEC_VADU): New value.
3079 (vadu<mode>3): New insn.
3080 (*p9_vadu<mode>3): New insn.
3081 * config/rs6000/rs6000-builtin.def (vadub): New built-in
3083 (vaduh): New built-in definition.
3084 (vaduw): New built-in definition.
3085 (vadu): New overloaded built-in definition.
3086 (vadub): New overloaded built-in definition.
3087 (vaduh): New overloaded built-in definition.
3088 (vaduw): New overloaded built-in definition.
3089 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
3090 overloaded vector absolute difference unsigned functions.
3091 * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
3092 the ISA 3.0 vector absolute difference unsigned built-in functions.
3094 2016-06-30 David Malcolm <dmalcolm@redhat.com>
3096 Backport from trunk r237880.
3097 2016-06-30 David Malcolm <dmalcolm@redhat.com>
3100 * gcc.c (driver::build_option_suggestions): Pass "option" to
3101 add_misspelling_candidates.
3102 * opts-common.c (add_misspelling_candidates): Add "option" param;
3103 use it to avoid adding negated forms for options marked with
3105 * opts.h (add_misspelling_candidates): Add "option" param.
3107 2016-06-30 Jakub Jelinek <jakub@redhat.com>
3110 * fold-const.c (fold_binary_loc) <case RROTATE_EXPR>: Cast
3111 TREE_OPERAND (arg0, 0) and TREE_OPERAND (arg0, 1) to type
3112 first when permuting bitwise operation with rotate. Cast
3113 TREE_OPERAND (arg0, 0) to type when cancelling two rotations.
3115 2016-06-30 Martin Liska <mliska@suse.cz>
3117 Parting backport from mainline
3118 2016-06-29 Martin Liska <mliska@suse.cz>
3120 * ipa-inline-transform.c (inline_call): Remove unnecessary call
3121 of build_optimization_node.
3123 2016-06-29 Eric Botcazou <ebotcazou@adacore.com>
3125 Backport from mainline
3126 2016-06-09 Eric Botcazou <ebotcazou@adacore.com>
3128 * df-problems.c (df_note_bb_compute): Guard use of DF_INSN_INFO_GET.
3130 2016-06-27 Michael Meissner <meissner@linux.vnet.ibm.com>
3132 Back port from trunk
3133 2016-06-21 Michael Meissner <meissner@linux.vnet.ibm.com>
3135 * stor-layout.c (layout_type): Move setting complex MODE to
3136 layout_type, instead of setting it ahead of time by the caller.
3138 Back port from trunk
3139 2016-05-11 Alan Modra <amodra@gmail.com>
3141 * config/rs6000/rs6000.c (is_complex_IBM_long_double,
3142 abi_v4_pass_in_fpr): New functions.
3143 (rs6000_function_arg_boundary): Exclude complex IBM long double
3144 from 64-bit alignment when ABI_V4.
3145 (rs6000_function_arg, rs6000_function_arg_advance_1,
3146 rs6000_gimplify_va_arg): Use abi_v4_pass_in_fpr.
3148 Back port from trunk
3149 2016-05-02 Michael Meissner <meissner@linux.vnet.ibm.com>
3151 * machmode.h (mode_complex): Add support to give the complex mode
3153 (GET_MODE_COMPLEX_MODE): Likewise.
3154 * stor-layout.c (layout_type): For COMPLEX_TYPE, use the mode
3155 stored by build_complex_type and gfc_build_complex_type instead of
3156 trying to figure out the appropriate mode based on the size. Raise
3157 an assertion error, if the type was not set.
3158 * genmodes.c (struct mode_data): Add field for the complex type of
3160 (blank_mode): Likewise.
3161 (make_complex_modes): Remember the complex mode created in the
3163 (emit_mode_complex): Write out the mode_complex array to map a
3164 type mode to the complex version.
3165 (emit_insn_modes_c): Likewise.
3166 * tree.c (build_complex_type): Set the complex type to use before
3167 calling layout_type.
3168 * config/rs6000/rs6000.c (rs6000_hard_regno_nregs_internal): Add
3169 support for __float128 complex datatypes.
3170 (rs6000_hard_regno_mode_ok): Likewise.
3171 (rs6000_setup_reg_addr_masks): Likewise.
3172 (rs6000_complex_function_value): Likewise.
3173 * config/rs6000/rs6000.h (FLOAT128_IEEE_P): Likewise.
3174 __float128 and __ibm128 complex.
3175 (FLOAT128_IBM_P): Likewise.
3176 (ALTIVEC_ARG_MAX_RETURN): Likewise.
3177 * doc/extend.texi (Additional Floating Types): Document that
3178 -mfloat128 must be used to enable __float128. Document complex
3179 __float128 and __ibm128 support.
3181 2016-06-24 Jakub Jelinek <jakub@redhat.com>
3183 PR tree-optimization/71647
3184 * omp-low.c (lower_rec_input_clauses): Convert
3185 omp_clause_aligned_alignment (c) to size_type_node for the
3186 last argument of __builtin_assume_aligned.
3188 2016-06-22 Eric Botcazou <ebotcazou@adacore.com>
3190 * function.c (assign_parm_setup_reg): Prevent sharing in another case.
3192 2016-06-21 Georg-Johann Lay <avr@gjlay.de>
3194 Backport from 2016-06-21 trunk r237639.
3197 * config/avr/gen-avr-mmcu-specs.c (print_mcu):
3198 [*link_data_start]: Wrap -Tdata into %{!Tdata:...}.
3199 [*link_text_start]: Wrap -Ttext into %{!Ttext:...}.
3201 2016-06-21 Georg-Johann Lay <avr@gjlay.de>
3204 * config/avr/avr.md (movqi): Only handle loading subreg:qi of
3205 constant addresses if can_create_pseudo_p.
3207 2016-06-21 Jakub Jelinek <jakub@redhat.com>
3209 PR tree-optimization/71588
3210 * tree-ssa-strlen.c (valid_builtin_call): New function.
3211 (adjust_last_stmt, handle_builtin_memset, strlen_optimize_stmt): Use
3214 Backported from mainline
3215 2016-06-20 Jakub Jelinek <jakub@redhat.com>
3218 * tree-ssa-uninit.c (warn_uninit): If EXPR and VAR are NULL,
3219 see if T isn't anonymous SSA_NAME with COMPLEX_EXPR created
3220 for conversion of scalar user var to complex type and use the
3221 underlying SSA_NAME_VAR in that case. If EXPR is still NULL,
3224 2016-06-16 Jakub Jelinek <jakub@redhat.com>
3226 * gimplify.c (gimplify_scan_omp_clauses): Handle COMPONENT_REFs
3227 with base of reference to struct.
3229 2016-06-20 Ilya Enkovich <ilya.enkovich@intel.com>
3231 Backport from mainline r237484.
3232 2016-06-15 Ilya Enkovich <ilya.enkovich@intel.com>
3235 * ipa-chkp.c (chkp_build_instrumented_fndecl): Fix
3236 DECL_CONTEXT for copied arguments.
3238 2016-06-20 Georg-Johann Lay <avr@gjlay.de>
3239 Pitchumani Sivanupandi <pitchumani.s@atmel.com>
3241 Backport from 2016-06-20 trunk r237589, r236558.
3244 * config/avr/avr.md (movqi): Handle loading subreg:qi (const,
3245 symbol_ref,label_ref).
3247 2016-06-16 Jakub Jelinek <jakub@redhat.com>
3250 * config/i386/i386.md (setcc + movzbl peephole2): Use reg_set_p.
3251 (setcc + and peephole2): Likewise.
3253 2016-06-15 Andreas Tobler <andreast@gcc.gnu.org>
3255 Backported from mainline
3256 2016-06-14 Andreas Tobler <andreast@gcc.gnu.org>
3258 * config/arm/freebsd.h: Only enable unaligned access for armv6 on
3259 FreeBSD 11 and above.
3261 2016-06-15 Ilya Verbin <ilya.verbin@intel.com>
3263 Backport from mainline
3264 2016-04-30 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3266 * config/darwin.h (LINK_COMMAND_SPEC_A): Handle -fcilkplus.
3268 2016-06-14 Jakub Jelinek <jakub@redhat.com>
3270 Backported from mainline
3271 2016-06-10 Jakub Jelinek <jakub@redhat.com>
3274 * tree-nested.c (convert_nonlocal_reference_stmt): For GIMPLE_GOTO
3275 without LABEL_DECL, set *handled_ops_p to false instead of true.
3277 2016-06-08 Jakub Jelinek <jakub@redhat.com>
3278 Richard Biener <rguenther@suse.de>
3281 * fold-const.c (fold_comparison): Handle CONSTANT_CLASS_P (base0)
3282 the same as DECL_P (base0) for indirect_base0. Use equality_code
3283 in one further place.
3285 2016-06-04 Jakub Jelinek <jakub@redhat.com>
3287 PR tree-optimization/71405
3288 * tree-ssa.c (execute_update_addresses_taken): For clobber with
3289 incompatible type, build a new clobber with the right type instead
3290 of building a VIEW_CONVERT_EXPR around it.
3292 2016-06-13 Eric Botcazou <ebotcazou@adacore.com>
3294 * tree-ssa-sccvn.c (vn_reference_lookup_3): Use a uniform test and
3295 update shared_lookup_references only once after changing operands.
3297 2016-06-13 Richard Biener <rguenther@suse.de>
3299 PR tree-optimization/71505
3300 * tree-vect-data-refs.c (vect_analyze_data_ref_accesses): Make
3301 assert match comment.
3303 2016-06-13 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
3305 Backport from mainline
3306 2016-06-13 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
3309 * config/s390/s390.c (s390_expand_builtin): Increase MAX_ARGS by
3312 2016-06-10 Thomas Schwinge <thomas@codesourcery.com>
3315 Backport from trunk r237291:
3316 * tree-nested.c (convert_nonlocal_omp_clauses)
3317 (convert_local_omp_clauses): Handle OMP_CLAUSE_ASYNC,
3318 OMP_CLAUSE_WAIT, OMP_CLAUSE_INDEPENDENT, OMP_CLAUSE_AUTO,
3319 OMP_CLAUSE__CACHE_, OMP_CLAUSE_TILE.
3321 Backport from trunk r237291:
3322 * gimplify.c (gimplify_adjust_omp_clauses): Discard
3324 * omp-low.c (scan_sharing_clauses): Don't expect OMP_CLAUSE_TILE.
3326 Backport from trunk r237290:
3327 * omp-low.c (scan_sharing_clauses): Don't expect
3330 Backport trunk r235964:
3331 2016-05-06 Nathan Sidwell <nathan@codesourcery.com>
3333 * gimple.c (gimple_call_same_target_p): Unique functions are eq.
3334 * tree-ssa-tail-merge.c (same_succ::equal): Check pointer eq
3337 2016-06-10 Maxim Ostapenko <m.ostapenko@samsung.com>
3340 * varasm.c (place_block_symbol): Adjust alignment for asan protected
3341 STRING_CSTs even if TREE_CONSTANT_POOL_ADDRESS_P.
3343 2016-06-09 Michael Meissner <meissner@linux.vnet.ibm.com>
3345 Back port from trunk
3346 2016-05-31 Michael Meissner <meissner@linux.vnet.ibm.com>
3348 * config/rs6000/vsx.md (vsx_splat_<mode>, V2DI/V2DF): Simplify
3349 alternatives, eliminating preferred register class. Add support
3350 for the MTVSRDD instruction in ISA 3.0.
3351 (vsx_splat_v4si_internal): Use splat_input_operand instead of
3352 reg_or_indexed_operand.
3353 (vsx_splat_v4sf_internal): Likewise.
3355 Back port from trunk
3356 2016-05-31 Michael Meissner <meissner@linux.vnet.ibm.com>
3359 * config/rs6000/vsx.md (xxspltib_<mode>_nosplit): Add alternatives
3360 for loading up all 0's or all 1's.
3362 Back port from trunk
3363 2016-05-18 Michael Meissner <meissner@linux.vnet.ibm.com>
3366 * config/rs6000/constraints.md (wE constraint): New constraint
3367 for a vector constant that can be loaded with XXSPLTIB.
3368 (wM constraint): New constraint for a vector constant of a 1's.
3369 (wS constraint): New constraint for a vector constant that can be
3370 loaded with XXSPLTIB and a vector sign extend instruction.
3371 * config/rs6000/predicates.md (xxspltib_constant_split): New
3372 predicates for wE/wS constraints.
3373 (xxspltib_constant_nosplit): Likewise.
3374 (easy_vector_constant): Add support for constants that can be
3375 loaded via XXSPLTIB.
3376 (splat_input_operand): Add support for ISA 3.0 word splat operations.
3377 * config/rs6000/rs6000.c (xxspltib_constant_p): New function to
3378 return if a constant can be loaded with the ISA 3.0 XXSPLTIB
3379 instruction and possibly with a sign extension.
3380 (output_vec_const_move): Add support for XXSPLTIB. If we are
3381 loading up 0/-1 into Altivec registers, prefer using VSPLTISW
3382 instead of XXLXOR/XXLORC.
3383 (rs6000_expand_vector_init): Add support for ISA 3.0 word splat
3385 (rs6000_legitimize_reload_address): Likewise.
3386 (rs6000_output_move_128bit): Use output_vec_const_move to emit
3388 * config/rs6000/vsx.md (VSX_M): Add TImode (if -mvsx-timode) and
3389 combine VSX_M and VSX_M2 into one iterator.
3391 (VSINT_84): New iterators for loading constants with XXSPLTIB.
3392 (VSINT_842): Likewise.
3393 (UNSPEC_VSX_SIGN_EXTEND): New UNSPEC.
3394 (xxspltib_v16qi): New insns to load up constants with the ISA 3.0
3395 XXSPLTIB instruction.
3396 (xxspltib_<mode>_nosplit): Likewise.
3397 (xxspltib_<mode>_split): New insn to load up constants with
3398 XXSPLTIB and a sign extend instruction.
3399 (vsx_mov<mode>): Replace single move that handled all vector types
3400 with separate 32-bit and 64-bit moves. Combine the movti_<bit>
3401 moves (when -mvsx-timode is in effect) into the main vector
3402 moves. Eliminate separate moves for <VSr> <VSa>, where the
3403 preferred register class (<VSr>) is listed first, and the
3404 secondary register class (<VSa>) is listed second with a '?' to
3405 discourage use. Prefer loading 0/-1 in any VSX register for ISA
3406 3.0, and Altivec registers for ISA 2.06/2.07 (PR target/70915) so
3407 that if the register was involved in a slow operation, the
3408 clear/set operation does not wait for the slow operation to
3409 finish. Adjust the length attributes for 32-bit mode. Use
3410 rs6000_output_move_128bit and drop the use of the string
3411 instructions for 32-bit movti when -mvsx-timode is in effect. Use
3412 spacing so that the alternatives and attributes don't generate
3413 long lines, and put things in columns, so that it is easier to
3414 match up the operands and attributes with the insn alternatives.
3415 (vsx_mov<mode>_64bit): Likewise.
3416 (vsx_mov<mode>_32bit): Likewise.
3417 (vsx_movti_64bit): Fold movti into normal vector moves.
3418 (vsx_movti_32bit): Likewise.
3419 (vsx_splat_<mode>, V4SI/V4SF modes): Add support for ISA 3.0 word
3421 (vsx_splat_v4si_internal): Likewise.
3422 (vsx_splat_v4sf_internal): Likewise.
3423 (vector fusion peepholes): Use VSX_M instead of VSX_M2.
3424 (vsx_sign_extend_qi_<mode>): New ISA 3.0 instructions to sign
3425 extend vector elements.
3426 (vsx_sign_extend_hi_<mode>): Likewise.
3427 (vsx_sign_extend_si_v2di): Likewise.
3428 * config/rs6000/rs6000-protos.h (xxspltib_constant_p): Add
3430 * doc/md.texi (PowerPC constraints): Document the wE, wM, and wS
3431 constraints. Add trailing period to wL documentation.
3433 2016-06-08 Jose E. Marchesi <jose.marchesi@oracle.com>
3435 Backport from mainline
3436 2016-06-08 Jose E. Marchesi <jose.marchesi@oracle.com>
3438 * config/sparc/driver-sparc.c (cpu_names): Fix the entry for the
3439 SPARC-M7 and add an entry for SPARC-S7 cpus (Sonoma).
3441 2016-06-08 Eric Botcazou <ebotcazou@adacore.com>
3443 Backport from mainline
3444 2016-06-06 Jose E. Marchesi <jose.marchesi@oracle.com>
3446 * config/sparc/sparc.md (cpu): Add niagara7 cpu type.
3447 Include the M7 SPARC DFA scheduler.
3448 New attribute v3pipe.
3449 Annotate insns with v3pipe where appropriate.
3450 Define cpu_feature vis4.
3451 Add lzd instruction type and set it on clzdi_sp64 and clzsi_sp64.
3452 Add (V8QI "8") to vbits.
3453 Add insns {add,sub}v8qi3
3454 Add insns ss{add,sub}v8qi3
3455 Add insns us{add,sub}{v8qi,v4hi}3
3456 Add insns {min,max}{v8qi,v4hi,v2si}3
3457 Add insns {minu,maxu}{v8qi,v4hi,v2si}3
3458 Add insns fpcmp{le,gt,ule,ug,ule,ugt}{8,16,32}_vis.
3459 * config/sparc/niagara4.md: Add a comment explaining the
3460 discrepancy between the documented latenty numbers and the
3462 * config/sparc/niagara7.md: New file.
3463 * configure.ac (HAVE_AS_SPARC5_VIS4): Define if the assembler
3464 supports SPARC5 and VIS 4.0 instructions.
3465 * configure: Regenerate.
3466 * config.in: Likewise.
3467 * config.gcc: niagara7 is a supported cpu in sparc*-*-* targets.
3468 * config/sparc/sol2.h (ASM_CPU32_DEFAUILT_SPEC): Set for
3469 TARGET_CPU_niagara7.
3470 (ASM_CPU64_DEFAULT_SPEC): Likewise.
3471 (CPP_CPU_SPEC): Handle niagara7.
3472 (ASM_CPU_SPEC): Likewise.
3473 * config/sparc/sparc-opts.h (processor_type): Add
3475 (mvis4): New option.
3476 * config/sparc/sparc.h (TARGET_CPU_niagara7): Define.
3477 (AS_NIAGARA7_FLAG): Define.
3478 (ASM_CPU64_DEFAULT_SPEC): Set for niagara7.
3479 (CPP_CPU64_DEFAULT_SPEC): Likewise.
3480 (CPP_CPU_SPEC): Handle niagara7.
3481 (ASM_CPU_SPEC): Likewise.
3482 * config/sparc/sparc.c (niagara7_costs): Define.
3483 (sparc_option_override): Handle niagara7 and adjust cache-related
3484 parameters with better values for niagara cpus. Also support VIS4.
3485 (sparc32_initialize_trampoline): Likewise.
3486 (sparc_use_sched_lookahead): Likewise.
3487 (sparc_issue_rate): Likewise.
3488 (sparc_register_move_cost): Likewise.
3489 (dump_target_flag_bits): Support VIS4.
3490 (sparc_vis_init_builtins): Likewise.
3491 (sparc_builtins): Likewise.
3492 * config/sparc/sparc-c.c (sparc_target_macros): Define __VIS__ for
3494 * config/sparc/driver-sparc.c (cpu_names): Add SPARC-M7 and
3496 * config/sparc/sparc.opt (sparc_processor_type): New value
3498 * config/sparc/visintrin.h (__attribute__): Prototypes for the
3500 * doc/invoke.texi (SPARC Options): Document -mcpu=niagara7 and
3502 * doc/extend.texi (SPARC VIS Built-in Functions): Document the
3505 2016-05-30 Jose E. Marchesi <jose.marchesi@oracle.com>
3507 * config.gcc (sparc*-*-*): Support cpu_32, cpu_64, tune_32 and
3509 * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
3511 * config/sparc/linux64.h (OPTION_DEFAULT_SPECS): Add entries for
3512 cpu_32, cpu_64, tune_32 and tune_64.
3513 * config/sparc/sol2.h (OPTION_DEFAULT_SPECS): Likewise.
3515 2016-06-08 Ilya Verbin <ilya.verbin@intel.com>
3517 Backport from mainline
3518 2016-05-25 Ilya Verbin <ilya.verbin@intel.com>
3520 * config/i386/i386-builtin-types.def: Add V16SI_FTYPE_V16SF,
3521 V8DF_FTYPE_V8DF_ROUND, V16SF_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF_ROUND.
3522 * config/i386/i386.c (enum ix86_builtins): Add
3523 IX86_BUILTIN_CVTPS2DQ512_MASK, IX86_BUILTIN_FLOORPS512,
3524 IX86_BUILTIN_FLOORPD512, IX86_BUILTIN_CEILPS512, IX86_BUILTIN_CEILPD512,
3525 IX86_BUILTIN_TRUNCPS512, IX86_BUILTIN_TRUNCPD512,
3526 IX86_BUILTIN_CVTPS2DQ512, IX86_BUILTIN_VEC_PACK_SFIX512,
3527 IX86_BUILTIN_FLOORPS_SFIX512, IX86_BUILTIN_CEILPS_SFIX512,
3528 IX86_BUILTIN_ROUNDPS_AZ_SFIX512.
3529 (builtin_description bdesc_args): Add __builtin_ia32_floorps512,
3530 __builtin_ia32_ceilps512, __builtin_ia32_truncps512,
3531 __builtin_ia32_floorpd512, __builtin_ia32_ceilpd512,
3532 __builtin_ia32_truncpd512, __builtin_ia32_cvtps2dq512,
3533 __builtin_ia32_vec_pack_sfix512, __builtin_ia32_roundps_az_sfix512,
3534 __builtin_ia32_floorps_sfix512, __builtin_ia32_ceilps_sfix512.
3535 Change IX86_BUILTIN_CVTPS2DQ512 to IX86_BUILTIN_CVTPS2DQ512_MASK for
3536 __builtin_ia32_cvtps2dq512_mask.
3537 (ix86_expand_args_builtin): Handle V8DF_FTYPE_V8DF_ROUND,
3538 V16SF_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF.
3539 (ix86_builtin_vectorized_function): Handle builtins mentioned above.
3540 * config/i386/sse.md
3541 (<mask_codefor>avx512f_fix_notruncv16sfv16si<mask_name><round_name>):
3543 (avx512f_fix_notruncv16sfv16si<mask_name><round_name>): ... this.
3544 (<mask_codefor>avx512f_cvtpd2dq512<mask_name><round_name>): Rename
3546 (avx512f_cvtpd2dq512<mask_name><round_name>): ... this.
3547 (avx512f_vec_pack_sfix_v8df): New define_expand.
3548 (avx512f_roundpd512): Rename to ...
3549 (avx512f_round<castmode>512): ... this. Change iterator.
3550 (avx512f_roundps512_sfix): New define_expand.
3551 (round<mode>2_sfix): Change iterator.
3553 2016-06-07 Peter Bergner <bergner@vnet.ibm.com>
3555 Backport from mainline
3556 2016-06-07 Peter Bergner <bergner@vnet.ibm.com>
3558 * doc/invoke.texi (RS/6000 and PowerPC Options): Document -mhtm and
3561 2016-06-07 Uros Bizjak <ubizjak@gmail.com>
3564 * config/i386/i386.c (ix86_avx256_split_vector_move_misalign):
3565 Copy op1 RTX to avoid invalid sharing.
3566 (ix86_expand_vector_move_misalign): Ditto.
3568 2016-06-06 Jakub Jelinek <jakub@redhat.com>
3570 PR tree-optimization/71259
3571 * tree-vect-slp.c (vect_get_constant_vectors): For
3572 VECTOR_BOOLEAN_TYPE_P, return all ones constant instead of
3573 one for constant op, and use COND_EXPR for non-constant.
3575 2016-06-06 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3578 2016-06-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3581 * config/arm/arm.c (arm_output_multireg_pop): Guard "pop" on update.
3583 2016-06-05 Uros Bizjak <ubizjak@gmail.com>
3585 Backport from mainline
3586 2016-06-01 Uros Bizjak <ubizjak@gmail.com>
3587 Jocelyn Mayer <l_indien@magic.fr>
3590 * config/i386/driver-i386.c (host_detect_local_cpu): Correctly
3591 detect processor family for signature_CENTAUR_ebx.
3592 <case PROCESSOR_I486>: Pass c3, winchip2 or winchip-c6 for
3593 signature_CENTAUR_ebx.
3594 <case PROCESSOR _PENTIUMPRO>: Pass c3-2 for signature_CENTAUR_ebx.
3595 <default>: Pass x86-64 for has_longmode.
3597 2016-06-03 Jakub Jelinek <jakub@redhat.com>
3600 * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): If redirecting
3601 to noreturn e->callee->decl that has void return type and void
3602 arguments, adjust gimple_call_fntype and remove lhs even if it had
3603 previously addressable type.
3605 2016-06-02 Michael Meissner <meissner@linux.vnet.ibm.com>
3607 Back port from trunk
3608 2016-05-26 Michael Meissner <meissner@linux.vnet.ibm.com>
3610 * config/rs6000/rs6000.c (rs6000_emit_p9_fp_minmax): New function
3611 for ISA 3.0 min/max support.
3612 (rs6000_emit_p9_fp_cmove): New function for ISA 3.0 floating point
3613 conditional move support.
3614 (rs6000_emit_cmove): Call rs6000_emit_p9_fp_minmax and
3615 rs6000_emit_p9_fp_cmove if the ISA 3.0 instructions are
3617 * config/rs6000/rs6000.md (SFDF2): New iterator to allow doing
3618 conditional moves where the comparison type is different from move
3620 (fp_minmax): New code iterator for smin/smax.
3621 (minmax): New code attributes for min/max.
3622 (SMINMAX): Likewise.
3623 (smax<mode>3): Combine min, max insns into one insn using the
3624 fp_minmax code iterator. Add support for ISA 3.0 min/max
3625 instructions that don't need -ffast-math.
3626 (s<minmax><mode>3): Likewise.
3627 (smax<mode>3_vsx): Likewise.
3628 (smin<mode>3): Likewise.
3629 (s<minmax><mode>3_vsx): Likewise.
3630 (smin<mode>3_vsx): Likewise.
3631 (pre-VSX min/max splitters): Likewise.
3632 (s<minmax><mode>3_fpr): Likewise.
3633 (movsfcc): Rewrite floating point conditional moves to combine
3634 SFmode/DFmode into a single insn.
3635 (mov<mode>cc): Likewise.
3636 (movdfcc): Likewise.
3637 (fselsfsf4): Combine FSEL cases into a single insn, using SFDF and
3638 SFDF2 iterators to handle all combinations.
3639 (fseldfsf4): Likewise.
3640 (fsel<SFDF:mode><SFDF2:mode>4): Likewise.
3641 (fseldfdf4): Likewise.
3642 (fselsfdf4): Likewise.
3643 (mov<SFDF:mode><SFDF2:mode>cc_p9): Add support for the ISA 3.0
3644 comparison instructions that set a 0/-1 mask, and use it for
3645 floating point conditional move via XXSEL.
3646 (fpmask<mode>): Likewise.
3647 (xxsel<mode>): Likewise.
3648 * config/rs6000/predicates.md (min_max_operator): Delete, no
3650 (fpmask_comparison_operaton): New insn for ISA 3.0 comparison
3651 instructions that generate a 0/-1 mask for use with XXSEL.
3652 * config/rs6000/rs6000.h (TARGET_MINMAX_SF): New helper macros to
3653 say whether floating point min/max is available, either through
3654 FSEL, ISA 2.06 min/max, and ISA 3.0 min/max instrucitons.
3655 (TARGET_MINMAX_DF): Likewise.
3657 Back port from trunk
3658 2016-05-18 Michael Meissner <meissner@linux.vnet.ibm.com>
3660 * config/rs6000/predicate.md (all_ones_constant): New predicate
3661 for vector constant with all 1's set.
3663 2016-06-02 Kelvin Nilsen <kelvin@gcc.gnu.org>
3665 Back port from trunk
3666 2016-05-19 Kelvin Nilsen <kelvin@gcc.gnu.org>
3668 * config/rs6000/altivec.md (UNSPEC_DARN): New unspec constant.
3669 (UNSPEC_DARN_32): New unspec constant.
3670 (UNSPEC_DARN_RAW): New unspec constant.
3671 (darn_32): New instruction.
3672 (darn_raw): New instruction.
3673 (darn): New instruction.
3674 * config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_0): Add
3675 support and documentation for this macro.
3676 (BU_P9_MISC_1): New macro definition.
3677 (BU_P9_64BIT_MISC_0): New macro definition.
3678 (BU_P9_MISC_0): New macro definition.
3679 (darn_32): New builtin definition.
3680 (darn_raw): New builtin definition.
3681 (darn): New builtin definition.
3682 * config/rs6000/rs6000.c: Add #define RS6000_BUILTIN_0 and #undef
3683 RS6000_BUILTIN_0 directives to surround each occurrence of
3684 #include "rs6000-builtin.def".
3685 (rs6000_builtin_mask_calculate): Add in the RS6000_BTM_MODULO and
3686 RS6000_BTM_64BIT flags to the returned mask, depending on
3688 (def_builtin): Correct an error in the assignments made to the
3689 debugging variable attr_string.
3690 (rs6000_expand_builtin): Add support for no-operand built-in
3692 (builtin_function_type): Remove fatal_error assertion that is no
3694 (rs6000_common_init_builtins): Add support for no-operand built-in
3696 * config/rs6000/rs6000.h (RS6000_BTM_MODULO): New macro
3698 (RS6000_BTM_PURE): Enhance comment to clarify intent of this flag
3700 (RS6000_BTM_64BIT): New macro definition.
3701 * doc/extend.texi: Document __builtin_darn (void),
3702 __builtin_darn_raw (void), and __builtin_darn_32 (void) built-in
3705 2016-06-01 Michael Meissner <meissner@linux.vnet.ibm.com>
3707 Back port from trunk
3708 2016-05-23 Michael Meissner <meissner@linux.vnet.ibm.com>
3711 * config/rs6000/altivec.md (altivec_vperm_<mode>_internal): Drop
3712 ISA 3.0 xxperm fusion alternative.
3713 (altivec_vperm_v8hiv16qi): Likewise.
3714 (altivec_vperm_<mode>_uns_internal): Likewise.
3715 (vperm_v8hiv4si): Likewise.
3716 (vperm_v16qiv8hi): Likewise.
3718 Back port from trunk
3719 2016-05-23 Michael Meissner <meissner@linux.vnet.ibm.com>
3720 Kelvin Nilsen <kelvin@gcc.gnu.org>
3722 * config/rs6000/rs6000.c (rs6000_expand_vector_set): Generate
3723 vpermr/xxpermr on ISA 3.0.
3724 (altivec_expand_vec_perm_le): Likewise.
3725 * config/rs6000/altivec.md (UNSPEC_VPERMR): New unspec.
3726 (altivec_vpermr_<mode>_internal): Add VPERMR/XXPERMR support for
3729 Back port from trunk
3730 2016-05-24 Michael Meissner <meissner@linux.vnet.ibm.com>
3732 * config/rs6000/altivec.md (VParity): New mode iterator for vector
3733 parity built-in functions.
3734 (p9v_ctz<mode>2): Add support for ISA 3.0 vector count trailing
3736 (p9v_parity<mode>2): Likewise.
3737 * config/rs6000/vector.md (VEC_IP): New mode iterator for vector
3739 (ctz<mode>2): ISA 3.0 expander for vector count trailing zeros.
3740 (parity<mode>2): ISA 3.0 expander for vector parity.
3741 * config/rs6000/rs6000-builtin.def (BU_P9_MISC_1): New macros for
3743 (BU_P9_64BIT_MISC_0): Likewise.
3744 (BU_P9_MISC_0): Likewise.
3745 (BU_P9V_AV_1): Likewise.
3746 (BU_P9V_AV_2): Likewise.
3747 (BU_P9V_AV_3): Likewise.
3748 (BU_P9V_AV_P): Likewise.
3749 (BU_P9V_VSX_1): Likewise.
3750 (BU_P9V_OVERLOAD_1): Likewise.
3751 (BU_P9V_OVERLOAD_2): Likewise.
3752 (BU_P9V_OVERLOAD_3): Likewise.
3753 (VCTZB): Add vector count trailing zeros support.
3757 (VPRTYBD): Add vector parity support.
3758 (VPRTYBQ): Likewise.
3759 (VPRTYBW): Likewise.
3760 (VCTZ): Add overloaded vector count trailing zeros support.
3761 (VPRTYB): Add overloaded vector parity support.
3762 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
3763 overloaded vector count trailing zeros and parity instructions.
3764 * config/rs6000/rs6000.md (wd mode attribute): Add V1TI and TI for
3765 vector parity support.
3766 * config/rs6000/altivec.h (vec_vctz): Add ISA 3.0 vector count
3767 trailing zeros support.
3768 (vec_cntlz): Likewise.
3769 (vec_vctzb): Likewise.
3770 (vec_vctzd): Likewise.
3771 (vec_vctzh): Likewise.
3772 (vec_vctzw): Likewise.
3773 (vec_vprtyb): Add ISA 3.0 vector parity support.
3774 (vec_vprtybd): Likewise.
3775 (vec_vprtybw): Likewise.
3776 (vec_vprtybq): Likewise.
3777 * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
3778 the ISA 3.0 vector count trailing zeros and vector parity built-in
3781 Back port from trunk
3782 2016-05-24 Michael Meissner <meissner@linux.vnet.ibm.com>
3784 * config/rs6000/altivec.md (VNEG iterator): New iterator for
3785 VNEGW/VNEGD instructions.
3786 (p9_neg<mode>2): New insns for ISA 3.0 VNEGW/VNEGD.
3787 (neg<mode>2): Add expander for V2DImode added in ISA 2.07, and
3788 support for ISA 3.0 VNEGW/VNEGD instructions.
3790 Back port from trunk
3791 2016-05-11 Michael Meissner <meissner@linux.vnet.ibm.com>
3793 * config/rs6000/predicates.md (quad_memory_operand): Move most of
3794 the code into quad_address_p and call it to share code with
3795 vsx_quad_dform_memory_operand.
3796 (vsx_quad_dform_memory_operand): New predicate for ISA 3.0 vector
3798 * config/rs6000/rs6000.opt (-mlra): Switch to being an option mask
3799 bit instead of being a separate word. Split -mpower9-dform into
3800 two switches, -mpower9-dform-scalar and -mpower9-dform-vector.
3801 * config/rs6000/rs6000.c (RELOAD_REG_QUAD_OFFSET): New addr_mask
3802 for the register class supporting 128-bit quad word memory offsets.
3803 (mode_supports_vsx_dform_quad): Helper function to return if the
3804 register class uses quad word memory offsets.
3805 (rs6000_debug_addr_mask): Add support for quad word memory offsets.
3806 (rs6000_debug_reg_global): Always print if we are using LRA or not.
3807 (rs6000_setup_reg_addr_masks): If ISA 3.0 vector d-form
3808 instructions are enabled, set up the appropriate addr_masks for
3810 (rs6000_init_hard_regno_mode_ok): wb constraint is now based on
3811 -mpower9-dform-scalar, instead of -mpower9-dform.
3812 (rs6000_option_override_internal): Split -mpower9-dform into two
3813 switches, -mpower9-dform-scalar and -mpower9-dform-vector. The
3814 -mpower9-dform switch sets or clears both. If we are not using
3815 the LRA register allocator, do not enable -mpower9-dform-vector by
3816 default. If we are using LRA, enable -mpower9-dform-vector and
3817 -mvsx-timode if it is appropriate. Issue a warning if either
3818 -mpower9-dform-vector or -mvsx-timode are explicitly used without
3820 (quad_address_offset_p): New helper function to return if the
3821 offset is legal for quad word memory instructions.
3822 (quad_address_p): New function to determin if GPR or vector
3823 register quad word memory addresses are legal.
3824 (mem_operand_gpr): Validate quad word address offsets.
3825 (reg_offset_addressing_ok_p): Add support for ISA 3.0 vector
3826 d-form (register + offset) instructions.
3827 (offsettable_ok_by_alignment): Likewise.
3828 (rs6000_legitimate_offset_address_p): Likewise.
3829 (legitimate_lo_sum_address_p): Likewise.
3830 (rs6000_legitimize_address): Likewise.
3831 (rs6000_legitimize_reload_address): Add more debug statements for
3833 (rs6000_legitimate_address_p): Add support for ISA 3.0 vector
3834 d-form instructions.
3835 (rs6000_secondary_reload_memory): Add support for ISA 3.0 vector
3836 d-form instructions. Distinguish different cases in debug
3837 output. (rs6000_secondary_reload_inner): Add support for ISA 3.0 vector
3838 d-form instructions.
3839 (rs6000_preferred_reload_class): Likewise.
3840 (rs6000_output_move_128bit): Add support for ISA 3.0 d-form
3841 instructions. If ISA 3.0 is available, generate lxvx/stxvx instead
3842 of the ISA 2.06 indexed memory instructions.
3843 (rs6000_emit_prologue): If we have ISA 3.0 d-form instructions,
3844 use them to save/restore the saved vector registers instead of
3845 using Altivec instructions.
3846 (rs6000_emit_epilogue): Likewise.
3847 (rs6000_lra_p): Use TARGET_LRA instead of the old option word.
3848 (rs6000_opt_masks): Split -mpower9-dform into
3849 -mpower9-dform-scalar and -mpower9-dform-vector.
3850 (rs6000_print_options_internal): Print -mno-<switch> if <switch>
3852 * config/rs6000/vsx.md (p9_vecload_<mode>): Delete hack to emit
3853 ISA 3.0 vector indexed memory instructions, and fold the code into
3854 the normal mov<mode> patterns.
3855 (p9_vecstore_<mode>): Likewise.
3856 (vsx_mov<mode>): Add support for ISA 3.0 vector d-form
3858 (vsx_movti_64bit): Likewise.
3859 (vsx_movti_32bit): Likewise.
3860 * config/rs6000/constraints.md (wO constraint): New constraint for
3861 ISA 3.0 vector d-form support.
3862 * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Use
3863 -mpower9-dform-scalar instead of -mpower9-dform. Add note not to
3864 include -mpower9-dform-vector until we switch over to LRA.
3865 (POWERPC_MASKS): Add -mlra. Split -mpower9-dform into two.
3866 switches, -mpower9-dform-scalar and -mpower9-dform-vector.
3867 * config/rs6000/rs6000-protos.h (quad_address_p): Add declaration.
3868 * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
3869 for -mpower9-dform and -mlra.
3870 * doc/md.texi (wO constraint): Document wO constraint.
3872 2016-06-01 Eric Botcazou <ebotcazou@adacore.com>
3874 * tree-vect-loop.c (vect_determine_vectorization_factor): Also compute
3875 the factor for live Phi nodes.
3877 2016-06-01 Jakub Jelinek <jakub@redhat.com>
3880 * gimplify.c (gimplify_omp_for): Temporarily clear gimplify_omp_ctxp
3881 around creation of the temporary.
3883 2016-06-01 Eric Botcazou <ebotcazou@adacore.com>
3885 * tree-vect-loop.c (vect_determine_vectorization_factor): Also take
3886 into account live statements for mask producers.
3888 2016-05-31 Richard Biener <rguenther@suse.de>
3890 Backport from mainline
3891 2016-05-11 Richard Biener <rguenther@suse.de>
3894 * dwarf2out.c (retry_incomplete_types): Set early_dwarf.
3895 (dwarf2out_finish): Move retry_incomplete_types call ...
3896 (dwarf2out_early_finish): ... here.
3898 2016-05-31 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3901 * config/arm/arm-builtins.c (arm_builtin_vectorized_function): Return
3902 NULL_TREE early if NEON is not available. Remove now redundant check
3903 in ARM_CHECK_BUILTIN_MODE.
3905 2016-05-31 Tom de Vries <tom@codesourcery.com>
3908 2016-05-31 Tom de Vries <tom@codesourcery.com>
3910 PR tree-optimization/69068
3911 * graphite-isl-ast-to-gimple.c (copy_bb_and_scalar_dependences): Handle
3912 phis with more than two args.
3914 2016-05-30 Andreas Tobler <andreast@gcc.gnu.org>
3916 Backport from mainline
3917 2016-05-30 Andreas Tobler <andreast@gcc.gnu.org>
3919 * config.gcc: Move hard float support for arm*hf*-*-freebsd* into
3920 armv6*-*-freebsd* for FreeBSD 11. Eliminate the arm*hf*-*-freebsd*
3923 2016-05-30 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3925 Backport from mainline
3926 2016-04-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3928 * config/rs6000/altivec.h: Change definitions of vec_xl and
3930 * config/rs6000/rs6000-builtin.def (LD_ELEMREV_V2DF): New.
3931 (LD_ELEMREV_V2DI): New.
3932 (LD_ELEMREV_V4SF): New.
3933 (LD_ELEMREV_V4SI): New.
3934 (LD_ELEMREV_V8HI): New.
3935 (LD_ELEMREV_V16QI): New.
3936 (ST_ELEMREV_V2DF): New.
3937 (ST_ELEMREV_V2DI): New.
3938 (ST_ELEMREV_V4SF): New.
3939 (ST_ELEMREV_V4SI): New.
3940 (ST_ELEMREV_V8HI): New.
3941 (ST_ELEMREV_V16QI): New.
3944 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
3945 descriptions for VSX_BUILTIN_VEC_XL and VSX_BUILTIN_VEC_XST.
3946 * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Map from
3947 TARGET_P9_VECTOR to RS6000_BTM_P9_VECTOR.
3948 (altivec_expand_builtin): Add handling for
3949 VSX_BUILTIN_ST_ELEMREV_<MODE> and VSX_BUILTIN_LD_ELEMREV_<MODE>.
3950 (rs6000_invalid_builtin): Add error-checking for
3951 RS6000_BTM_P9_VECTOR.
3952 (altivec_init_builtins): Define builtins used to implement vec_xl
3954 (rs6000_builtin_mask_names): Define power9-vector.
3955 * config/rs6000/rs6000.h (MASK_P9_VECTOR): Define.
3956 (RS6000_BTM_P9_VECTOR): Define.
3957 (RS6000_BTM_COMMON): Include RS6000_BTM_P9_VECTOR.
3958 * config/rs6000/vsx.md (vsx_ld_elemrev_v2di): New define_insn.
3959 (vsx_ld_elemrev_v2df): Likewise.
3960 (vsx_ld_elemrev_v4sf): Likewise.
3961 (vsx_ld_elemrev_v4si): Likewise.
3962 (vsx_ld_elemrev_v8hi): Likewise.
3963 (vsx_ld_elemrev_v16qi): Likewise.
3964 (vsx_st_elemrev_v2df): Likewise.
3965 (vsx_st_elemrev_v2di): Likewise.
3966 (vsx_st_elemrev_v4sf): Likewise.
3967 (vsx_st_elemrev_v4si): Likewise.
3968 (vsx_st_elemrev_v8hi): Likewise.
3969 (vsx_st_elemrev_v16qi): Likewise.
3970 * doc/extend.texi: Add prototypes for vec_xl and vec_xst. Correct
3973 2016-05-30 Richard Biener <rguenther@suse.de>
3975 Backport from mainline
3976 2016-05-11 Richard Biener <rguenther@suse.de>
3979 * alias.c (reference_alias_ptr_type): Preserve alias-set zero
3980 if the langhook insists on it.
3981 * fold-const.c (make_bit_field_ref): Add arg for the original
3982 reference and preserve its alias-set.
3983 (decode_field_reference): Take exp by reference and adjust it
3984 to the original memory reference.
3985 (optimize_bit_field_compare): Adjust callers.
3986 (fold_truth_andor_1): Likewise.
3988 2016-05-13 Jakub Jelinek <jakub@redhat.com>
3991 * fold-const.c (fold_checksum_tree): Allow modification
3992 of TYPE_ALIAS_SET during folding.
3994 2016-05-30 Eric Botcazou <ebotcazou@adacore.com>
3996 * config/visium/visium.c (visium_split_double_add): Minor tweaks.
3997 (visium_expand_copysign): Use gen_int_mode directly.
3998 (visium_compute_frame_size): Minor tweaks.
4000 2016-05-30 Tom de Vries <tom@codesourcery.com>
4003 2016-05-30 Tom de Vries <tom@codesourcery.com>
4005 PR tree-optimization/69067
4006 * graphite-isl-ast-to-gimple.c (get_def_bb_for_const): Remove assert.
4008 2016-05-27 Eric Botcazou <ebotcazou@adacore.com>
4010 * config/visium/visium-protos.h (split_double_move): Rename into...
4011 (visium_split_double_move): ...this.
4012 (visium_split_double_add): Declare.
4013 * config/visium/visium.c (split_double_move): Rename into...
4014 (visium_split_double_move): ...this.
4015 (visium_split_double_add): New function.
4016 (visium_expand_copysign): Renumber operands for consistency.
4017 * config/visium/visium.md (DImode move splitter): Adjust to renaming.
4018 (DFmode move splitter): Likewise.
4019 (*addi3_insn): Split by means of visium_split_double_add.
4020 (*adddi3_insn_flags): Delete.
4021 (*plus_plus_sltu<subst_arith>): New insn.
4022 (*subdi3_insn): Split by means of visium_split_double_add.
4023 (subdi3_insn_flags): Delete.
4024 (*minus_minus_sltu<subst_arith>): New insn.
4025 (*negdi2_insn): Split by means of visium_split_double_add.
4026 (*negdi2_insn_flags): Delete.
4028 2016-05-27 Ilya Enkovich <ilya.enkovich@intel.com>
4030 Backport from mainline r236810.
4031 2016-05-27 Ilya Enkovich <ilya.enkovich@intel.com>
4034 * fold-const.c (fold_ternary_loc): Don't fold VEC_COND_EXPR
4037 2016-05-25 Eric Botcazou <ebotcazou@adacore.com>
4039 * tree-ssa-phiopt.c (factor_out_conditional_conversion): Remove
4040 redundant test and bail out if the type of the new operand is not
4041 a GIMPLE register type after stripping a VIEW_CONVERT_EXPR.
4043 2016-05-24 Martin Sebor <msebor@redhat.com>
4046 * tree.h (complete_or_array_type_p): New inline function.
4048 2016-05-24 Jakub Jelinek <jakub@redhat.com>
4050 * config/i386/i386.h (TARGET_AVOID_4BYTE_PREFIXES): Define.
4051 * config/i386/constraints.md (Yr): Test TARGET_AVOID_4BYTE_PREFIXES
4052 rather than X86_TUNE_AVOID_4BYTE_PREFIXES. Use SSE_REGS instead
4053 of ALL_SSE_REGS. Return SSE_REGS also when TARGET_AVX.
4055 2016-05-24 Jakub Jelinek <jakub@redhat.com>
4058 * tree-vect-stmts.c (vectorizable_simd_clone_call): Handle
4059 SIMD_CLONE_ARG_TYPE_LINEAR_REF_CONSTANT_STEP like
4060 SIMD_CLONE_ARG_TYPE_LINEAR_CONSTANT_STEP. Add
4061 SIMD_CLONE_ARG_TYPE_LINEAR_VAL_CONSTANT_STEP and
4062 SIMD_CLONE_ARG_TYPE_LINEAR_UVAL_CONSTANT_STEP cases explicitly.
4064 2016-05-23 Martin Jambor <mjambor@suse.cz>
4066 * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Create an empty
4067 default block if a PHI node in the original one would be resized.
4069 2016-05-23 Martin Jambor <mjambor@suse.cz>
4071 PR tree-optimization/70884
4072 * tree-sra.c (initialize_constant_pool_replacements): Do not check
4073 should_scalarize_away_bitmap and cannot_scalarize_away_bitmap bits.
4074 (sort_and_splice_var_accesses): Do not consider multiple scalar reads
4075 of constant pool data as a reason for scalarization.
4077 2016-05-20 Eric Botcazou <ebotcazou@adacore.com>
4079 * config/arm/arm.c (arm_expand_prologue): Set the stack usage to 0
4080 for naked functions.
4081 (thumb1_expand_prologue): Likewise.
4083 2016-05-20 Jakub Jelinek <jakub@redhat.com>
4086 * gimple-fold.c (gimple_fold_call): Do not remove lhs of noreturn
4087 calls if the LHS is variable length or has addressable type.
4088 If targets[0]->decl is a noreturn call with void return type and
4089 zero arguments, adjust fntype and remove lhs in that case.
4091 2016-05-20 Uros Bizjak <ubizjak@gmail.com>
4093 * sched-deps.c (sched_analyze_2) <case TRAP_IF>: Also
4094 force pending loads from memory.
4096 2016-05-19 Marek Polacek <polacek@redhat.com>
4098 Backport from mainline
4099 2016-05-19 Marek Polacek <polacek@redhat.com>
4101 PR tree-optimization/71031
4102 * tree-vrp.c (extract_range_from_binary_expr_1): Turn assert into a
4103 condition and adjust the code a bit.
4105 2016-05-19 Martin Jambor <mjambor@suse.cz>
4108 * ipa-prop.c (determine_locally_known_aggregate_parts): Bail out early
4109 if parameter PARAM_IPA_MAX_AGG_ITEMS is zero.
4111 2016-05-19 Martin Jambor <mjambor@suse.cz>
4114 * ipa-inline.h (condition): New field size.
4115 * ipa-inline-analysis.c (add_condition): New parameter SIZE, use it
4116 for comaprison and store it into the new condition.
4117 (evaluate_conditions_for_known_args): Use condition size to check
4118 access sizes for all but CHANGED conditions.
4119 (unmodified_parm_1): New parameter size_p, store access size into it.
4120 (unmodified_parm): Likewise.
4121 (unmodified_parm_or_parm_agg_item): Likewise.
4122 (eliminated_by_inlining_prob): Pass NULL to unmodified_parm as size_p.
4123 (set_cond_stmt_execution_predicate): Extract access sizes and store
4125 (set_switch_stmt_execution_predicate): Likewise.
4126 (will_be_nonconstant_expr_predicate): Likewise.
4127 (will_be_nonconstant_predicate): Likewise.
4128 (inline_read_section): Stream condition size.
4129 (inline_write_summary): Likewise.
4130 * lto-streamer.h (LTO_minor_version): Bump.
4132 2016-05-18 Martin Liska <mliska@suse.cz>
4134 Backport from mainline
4135 2016-05-18 Martin Liska <mliska@suse.cz>
4138 * ipa-icf.c (sem_variable::merge): Set DECL_PT_UID for
4141 2016-05-18 Jakub Jelinek <jakub@redhat.com>
4144 * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Don't drop
4145 lhs if it has TREE_ADDRESSABLE type.
4147 2016-05-18 Uros Bizjak <ubizjak@gmail.com>
4150 * config/alpha/alpha.md (trap): Add (use (reg:DI 29)).
4151 (*exception_receiver_1): Return "#" for TARGET_EXPLICIT_RELOCS.
4153 2016-05-17 Thomas Schwinge <thomas@codesourcery.com>
4155 Backport trunk r235748:
4157 * config/nvptx/nvptx.c (nvptx_libcall_value): Handle NULL cfun.
4158 (nvptx_function_value): Assert non-NULL cfun.
4160 2016-05-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4162 Backport from mainline
4163 2016-05-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4166 * config/aarch64/aarch64-simd.md (aarch64_vmls<mode>): Delete.
4168 2016-05-16 Martin Jambor <mjambor@suse.cz>
4170 * hsa-gen.c (fillup_for_decl): Increase alignment to natural one.
4171 (get_symbol_for_decl): Sorry if a global symbol in under-aligned.
4173 2016-05-16 Martin Jambor <mjambor@suse.cz>
4176 * omp-low.c (grid_expand_target_grid_body): Copy RESULT_DECL of
4177 the outlined kernel function.
4179 2016-05-16 James Norris <jnorris@codesourcery.com>
4181 Backport from mainline r236098.
4182 2016-05-10 James Norris <jnorris@codesourcery.com>
4185 * config/rs6000/sysv4.h (CRTOFFLOADBEGIN): Define. Add crtoffloadbegin.o
4186 if offloading is enabled and -fopenacc or -fopenmp is specified.
4187 (CRTOFFLOADEND): Likewise.
4188 (STARTFILE_LINUX_SPEC): Add CRTOFFLOADBEGIN.
4189 (ENDFILE_LINUX_SPEC): Add CRTOFFLOADEND.
4191 2016-05-16 Alan Modra <amodra@gmail.com>
4194 2016-05-10 Alan Modra <amodra@gmail.com>
4196 * config/rs6000/rs6000.c (rs6000_expand_split_stack_prologue): Stop
4197 regrename modifying insns saving lr before __morestack call.
4198 * config/rs6000/rs6000.md (split_stack_return): Similarly for
4199 insns restoring lr after __morestack call.
4201 2016-05-13 Richard Biener <rguenther@suse.de>
4203 Backport from mainline
4204 2016-04-27 Richard Biener <rguenther@suse.de>
4207 * tree-ssa-structalias.c (find_func_aliases_for_call): Use
4208 aggregate_value_p to determine if a function result is
4209 returned by reference.
4211 2016-05-06 Richard Biener <rguenther@suse.de>
4214 * dwarf2out.c (native_encode_initializer): Skip zero-sized fields.
4216 2016-05-06 Richard Biener <rguenther@suse.de>
4219 * fold-const.c (split_tree): Always convert to the original type
4222 2016-05-12 Martin Liska <mliska@suse.cz>
4224 Backport from mainline
4225 2016-05-10 Martin Liska <mliska@suse.cz>
4227 * tree-inline.c (remap_dependence_clique): Do not remap
4228 debugging statements.
4230 2016-05-12 Ilya Enkovich <ilya.enkovich@intel.com>
4232 Backport from mainline r236171.
4233 2016-05-12 Ilya Enkovich <ilya.enkovich@intel.com>
4235 PR tree-optimization/71006
4236 * tree-vect-loop.c (vect_determine_vectorization_factor): Don't
4237 consider COND_EXPR as a mask producer.
4239 2016-05-12 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4241 Backport from mainline
4242 2016-05-12 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4245 * config/arm/arm.c (arm_output_multireg_pop): Avoid POP instruction
4246 when popping the PC and within an interrupt handler routine.
4247 Add missing tab to output of "ldmfd".
4248 (output_return_instruction): Output LDMFD with SP update rather
4249 than POP when returning from interrupt handler.
4251 2016-05-11 Ilya Enkovich <ilya.enkovich@intel.com>
4253 Backport from mainline r236088.
4254 2016-05-10 Ilya Enkovich <ilya.enkovich@intel.com>
4257 * tree-chkp.c (chkp_add_bounds_to_call_stmt): Handle
4258 calls with type casted fndecl.
4260 2016-05-11 Ilya Enkovich <ilya.enkovich@intel.com>
4262 Backport from mainline r236086.
4263 2016-05-10 Ilya Enkovich <ilya.enkovich@intel.com>
4265 PR tree-optimization/70876
4266 * tree-chkp.c (chkp_find_bounds_1): Support WITH_SIZE_EXPR.
4267 * gcc/calls.c (initialize_argument_information): Bind bounds
4268 with corresponding args passed by reference.
4270 2016-05-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
4272 Backport from mainline
4273 2016-05-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
4276 * config/rs6000/vsx.md (vsx_xvcvdpsxds_scale): Generate correct
4277 code for a zero scale factor.
4278 (vsx_xvcvdpuxds_scale): Likewise.
4280 2016-05-10 Jakub Jelinek <jakub@redhat.com>
4282 Backported from mainline
4283 2016-05-03 Jakub Jelinek <jakub@redhat.com>
4285 PR tree-optimization/70916
4286 * tree-vect-patterns.c (vect_recog_mask_conversion_pattern): Give up
4287 if COND_EXPR rhs1 is neither SSA_NAME nor COMPARISON_CLASS_P.
4289 2016-05-10 Yuri Rumyantsev <ysrumyan@gmail.com>
4291 Backport from mainline r235962.
4292 2016-05-06 Yuri Rumyantsev <ysrumyan@gmail.com>
4295 * tree-ssa-loop-unswitch.c (find_loop_guard): Reject guard edge with
4296 loop latch destination.
4298 2016-05-10 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4300 Backport from mainline
4301 2016-05-10 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4303 * config/s390/s390.md ("*vec_cmp<insn_cmp>df_cconly")
4304 ("*fixuns_truncdfdi2_z13")
4305 ("*fixuns_trunc<FP:mode><GPR:mode>2_z196")
4306 ("*fix_truncdfdi2_bfp_z13", "*floatunsdidf2_z13")
4307 ("*extendsfdf2_z13"): Replace TARGET_Z13 with TARGET_VX.
4309 2016-05-10 Sebastian Huber <sebastian.huber@embedded-brains.de>
4311 Backport from mainline
4312 2016-04-27 Sebastian Huber <sebastian.huber@embedded-brains.de>
4314 * config/rtems.h (LIB_SPEC): Add -latomic.
4316 2016-05-10 Sebastian Huber <sebastian.huber@embedded-brains.de>
4318 Backport from mainline
4319 2016-04-27 Joel Sherrill <joel@rtems.org>
4321 * config/microblaze/rtems.h: Redefine LINK_SPEC to avoid
4322 xilink.ld and flags not relevant to RTEMS.
4324 2016-05-09 Uros Bizjak <ubizjak@gmail.com>
4326 * config/i386/i386.md (absneg splitters with general regs): Use
4327 general_reg_operand predicate.
4328 (btsq peephole2): Use x86_64_immediate_operand to check if new
4329 value is suitable for immediate operand. Generate emitted insn
4330 using RTL expressions.
4331 (btcq peephole2): Ditto.
4332 (btrq peephole2): Ditto. Generate correct immediate operand
4335 2016-05-07 Tom de Vries <tom@codesourcery.com>
4338 2016-05-07 Tom de Vries <tom@codesourcery.com>
4340 PR tree-optimization/70956
4341 * graphite-scop-detection.c (build_cross_bb_scalars_def): Handle NULL
4344 2016-05-06 Marek Polacek <polacek@redhat.com>
4346 Backported from mainline
4347 2016-05-06 Marek Polacek <polacek@redhat.com>
4350 * ubsan.c (get_ubsan_type_info_for_type): Remove assert.
4352 2016-05-06 Marek Polacek <polacek@redhat.com>
4354 Backported from mainline
4355 2016-04-29 Marek Polacek <polacek@redhat.com>
4356 Jakub Jelinek <jakub@redhat.com>
4359 * fold-const.c (tree_single_nonzero_warnv_p): For TARGET_EXPR, use
4360 TARGET_EXPR_SLOT as a base.
4362 2016-05-04 Eric Botcazou <ebotcazou@adacore.com>
4364 * tree-ssa-coalesce.c (gimple_can_coalesce_p): Fix reference in head
4366 (compute_samebase_partition_bases): Fix typo.
4368 2016-05-03 Pierre-Marie de Rodat <derodat@adacore.com>
4370 * dwarf2out.c (resolve_args_picking_1): Replace the frame_offset
4371 occurence with frame_offset_ ones.
4373 2016-04-28 Jakub Jelinek <jakub@redhat.com>
4376 * config/i386/i386.c (bdesc_special_args): Add | OPTION_MASK_ISA_64BIT
4377 to __builtin_ia32_lwpval64 and __builtin_ia32_lwpins64.
4378 (bdesc_args): Add | OPTION_MASK_ISA_64BIT to __builtin_ia32_bextr_u64,
4379 __builtin_ia32_bextri_u64, __builtin_ia32_bzhi_di,
4380 __builtin_ia32_pdep_di and __builtin_ia32_pext_di.
4382 2016-04-28 Eric Botcazou <ebotcazou@adacore.com>
4384 Backport from mainline
4385 2016-04-27 Eric Botcazou <ebotcazou@adacore.com>
4388 * stor-layout.h (internal_reference_types): Delete.
4389 * stor-layout.c (reference_types_internal): Likewise.
4390 (internal_reference_types): Likewise.
4391 (layout_type) <REFERENCE_TYPE>: Adjust.
4393 2016-04-27 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
4395 Backport from mainline
4396 2016-04-25 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
4398 * config/rs6000/rs6000-builtin.def: Correct pasto error for
4399 stxvd2x and stxvw4x built-in functions.
4401 2016-04-27 H.J. Lu <hongjiu.lu@intel.com>
4403 Backported from mainline
4404 2016-04-21 H.J. Lu <hongjiu.lu@intel.com>
4407 * config/i386/predicates.md (call_insn_operand): Replace
4408 sibcall_memory_operand with memory_operand.
4410 2016-04-27 Richard Biener <rguenther@suse.de>
4413 * tree-ssa-structalias.c (refered_from_nonlocal_fn): New
4414 function cummulating used_from_other_partition, externally_visible
4415 and force_output from aliases.
4416 (refered_from_nonlocal_var): Likewise.
4417 (ipa_pta_execute): Use call_for_symbol_and_aliases to cummulate
4418 node flags properly.
4420 2016-04-27 Jakub Jelinek <jakub@redhat.com>
4422 Backported from mainline
4423 2016-04-23 Jakub Jelinek <jakub@redhat.com>
4426 * cfgexpand.c (expand_stack_vars): Fix typo.
4428 2016-04-19 Jakub Jelinek <jakub@redhat.com>
4431 * gimplify.c (gimplify_omp_for): Call omp_notice_variable for
4432 implicitly linear or lastprivate iterator on the outer context.
4434 2016-04-27 Kirill Yukhin <kirill.yukhin@intel.com>
4437 * gcc/config/i386/sse.md (define_insn "<shift_insn><mode>3<mask_name>"):
4438 Extract AVX-512BW constraint from AVX.
4440 2016-04-27 Jakub Jelinek <jakub@redhat.com>
4442 * BASE-VER: Set to 6.1.1.
4444 2016-04-27 Release Manager
4446 * GCC 6.1.0 released.
4448 2016-04-25 Richard Biener <rguenther@suse.de>
4450 PR tree-optimization/70780
4451 * tree-ssa-pre.c (compute_antic_aux): Also return true if the block
4453 (compute_antic): Mark blocks with abnormal preds as visited as
4454 they have a final empty antic-in solution already.
4456 2016-04-22 H.J. Lu <hongjiu.lu@intel.com>
4458 Backport from mainline
4459 2016-04-20 H.J. Lu <hongjiu.lu@intel.com>
4461 * doc/invoke.texi: Replace -skip-rax-setup with -mskip-rax-setup.
4463 2016-04-22 Szabolcs Nagy <szabolcs.nagy@arm.com>
4465 * system.h (list, map, set, vector): Include conditionally.
4466 * auto-profile.c (INCLUDE_MAP, INCLUDE_SET): Define.
4467 * graphite-isl-ast-to-gimple.c (INCLUDE_MAP): Define.
4468 * ipa-icf.c (INCLUDE_LIST): Define.
4469 * config/aarch64/cortex-a57-fma-steering.c (INCLUDE_LIST): Define.
4470 * config/sh/sh.c (INCLUDE_VECTOR): Define.
4471 * config/sh/sh_treg_combine.cc (INCLUDE_ALGORITHM): Define.
4472 (INCLUDE_LIST, INCLUDE_VECTOR): Define.
4473 * cp/logic.cc (INCLUDE_LIST): Define.
4474 * fortran/trans-common.c (INCLUDE_MAP): Define.
4476 2016-04-22 Szabolcs Nagy <szabolcs.nagy@arm.com>
4478 * auto-profile.c: Remove <string.h> include.
4479 * ipa-icf-gimple.c: Remove <list> include.
4480 * diagnostic.c: Remove <new> include.
4481 * genmatch.c: Likewise.
4482 * pretty-print.c: Likewise.
4483 * toplev.c: Likewise
4484 * c/c-objc-common.c: Likewise.
4485 * cp/error.c: Likewise.
4486 * fortran/error.c: Likewise.
4488 2016-04-21 Richard Biener <rguenther@suse.de>
4491 * fold-const.c (fold_comparison): Return properly typed
4494 2016-04-20 Andrew Pinski <apinski@cavium.com>
4495 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4498 * config/aarch64/aarch64.md (sibcall): Force call
4499 address to be DImode for ILP32.
4500 (sibcall_value): Likewise.
4502 2016-04-20 Marek Polacek <polacek@redhat.com>
4504 * tree-if-conv.c (is_false_predicate): For NULL_TREE return false
4507 2016-04-20 Marek Polacek <polacek@redhat.com>
4509 PR tree-optimization/70725
4510 * tree-if-conv.c (is_false_predicate): New function.
4511 (predicate_mem_writes): Use it.
4513 2016-04-20 Richard Biener <rguenther@suse.de>
4515 PR tree-optimization/70726
4516 * tree-vect-stmts.c (vectorizable_shift): Do not use scalar
4517 shift amounts from a pattern stmt operand.
4519 2016-04-20 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4522 * config/s390/s390.c (s390_restore_gprs_from_fprs): Pick the new
4523 stack_restore_from_fpr pattern when restoring r15.
4524 (s390_optimize_prologue): Strip away the memory barrier in the
4525 parallel when trying to get rid of restore insns.
4526 * config/s390/s390.md ("stack_restore_from_fpr"): New insn
4527 definition for loading the stack pointer from an FPR. Compared to
4528 the normal move insn this pattern includes a full memory barrier.
4530 2016-04-19 Richard Biener <rguenther@suse.de>
4532 PR tree-optimization/70724
4533 * tree-ssa-sccvn.c (scc_vn_restore_ssa_info): Split SSA info
4534 restoring out from ...
4535 (free_scc_vn): ... here.
4536 * tree-ssa-sccvn.h (scc_vn_restore_ssa_info): Declare.
4537 * tres-ssa-pre.c (pass_pre::execute): Restore SSA info before
4539 (pass_fre::execute): Restore SSA info.
4541 2016-04-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4543 * doc/install.texi (Specific, i?86-*-solaris2.10): Update gas and
4545 (Specific, *-*-solaris2*): Update Solaris 11 bundled gcc
4547 Mention Solaris 11 packaging changes.
4548 Update gas and gld requirements.
4549 Remove reference to pre-Solaris 10 bug.
4550 (Specific, sparc-sun-solaris2*): Remove reference to pre-Solaris 10
4552 (Specific, sparc64-*-solaris2*): Remove reference to bootstrap
4555 2016-04-18 Matthew Wahab <matthew.wahab@arm.com>
4558 * config/arm/bpabi.h (BE8_LINK_SPEC): Add entries for armv8+crc,
4559 armv8.1-a and armv8.1-a+crc.
4561 2016-04-18 Segher Boessenkool <segher@kernel.crashing.org>
4563 * has-brig.c (lendian16): Don't try to use __builtin_bswap16
4564 unless compiling with at least GCC-4.8.
4566 2016-04-15 Kirill Yukhin <kirill.yukhin@intel.com>
4569 * config/i386/sse.md (define_insn "<avx512>_vec_dup<mode><mask_name>"):
4570 Fix mode size check.
4572 2016-04-15 Jakub Jelinek <jakub@redhat.com>
4574 * BASE-VER: Set to 6.0.1.
4575 * DEV-PHASE: Set to prerelease.
4577 2016-04-15 Alexander Monakov <amonakov@ispras.ru>
4579 * config/nvptx/nvptx.opt (moptimize): Add a period at end of help text.
4581 2016-04-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4583 * doc/invoke.texi (ARM Options): Add note on deprecation of pre-ARMv4T
4584 architecture revisions.
4586 2016-04-15 Bernd Schmidt <bschmidt@redhat.com>
4588 * config/i386/i386-protos.h (ix86_using_red_zone): Declare.
4589 * config/i386/i386.c (ix86_using_red_zone): No longer static.
4590 * config/i386/i386.md (stack decrement to push peepholes): Guard
4591 with !x86_using_red_zone ().
4593 2016-04-15 Jakub Jelinek <jakub@redhat.com>
4596 * tree-pretty-print.c (do_niy): Add FLAGS argument, pass it down
4597 to dump_generic_node.
4598 (NIY): Pass also flags to do_niy.
4600 2016-04-15 Thomas Schwinge <thomas@codesourcery.com>
4602 * omp-low.c (simd_clone_struct_alloc, simd_clone_struct_copy)
4603 (simd_clone_vector_of_formal_parm_types)
4604 (simd_clone_clauses_extract, simd_clone_compute_base_data_type)
4605 (simd_clone_mangle, simd_clone_create)
4606 (simd_clone_adjust_return_type, create_tmp_simd_array)
4607 (simd_clone_adjust_argument_types, simd_clone_init_simd_arrays)
4608 (struct modify_stmt_info, ipa_simd_modify_stmt_ops)
4609 (ipa_simd_modify_function_body, simd_clone_linear_addend)
4610 (simd_clone_adjust, expand_simd_clones, ipa_omp_simd_clone)
4611 (pass_data_omp_simd_clone, class pass_omp_simd_clone)
4612 (pass_omp_simd_clone::gate, make_pass_omp_simd_clone): Move
4614 * omp-simd-clone.c: ... this new file.
4615 (simd_clone_vector_of_formal_parm_types): Make it static.
4616 * Makefile.in (OBJS): Add omp-simd-clone.o.
4618 2016-04-15 Kirill Yukhin <kirill.yukhin@intel.com>
4621 * config/i386/sse.md: Use proper memory operand
4625 2016-04-15 Richard Biener <rguenther@suse.de>
4626 Alan Modra <amodra@gmail.com>
4628 PR tree-optimization/70130
4629 * tree-vect-data-refs.c (vect_supportable_dr_alignment): Detect
4630 when alignment stays not the same and no not use the realign
4633 2016-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
4636 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
4637 direct move handlers for KFmode. Change TFmode handlers test from
4638 FLOAT128_IEEE_P to FLOAT128_VECTOR_P.
4640 2016-04-14 Jakub Jelinek <jakub@redhat.com>
4643 * ipa-utils.h (polymorphic_ctor_dtor_p): New prototype.
4644 * ipa-polymorphic-call.c (polymorphic_ctor_dtor_p): New function.
4645 (inlined_polymorphic_ctor_dtor_block_p): Use it.
4646 * tree-ssa-live.c (remove_unused_scope_block_p): When
4647 in_ctor_dtor_block, avoid discarding not just BLOCKs with
4648 BLOCK_ABSTRACT_ORIGIN being FUNCTION_DECL, but even when
4649 block_ultimate_origin is FUNCTION_DECL.
4650 (remove_unused_locals): If current_function_decl is
4651 polymorphic_ctor_dtor_p, pass initial true to
4652 remove_unused_scope_block_p' is_ctor_dtor_block.
4654 2016-04-14 Martin Sebor <msebor@redhat.com>
4659 * doc/extend.texi (Variable Length): Revert.
4661 2016-04-14 Marek Polacek <polacek@redhat.com>
4662 Jan Hubicka <hubicka@ucw.cz>
4665 * tree.c (verify_type): Disable the canonical type of main variant
4668 2016-04-14 Jason Merrill <jason@redhat.com>
4670 * cfgexpand.c, expr.c: Revert previous change.
4672 2016-04-14 Cesar Philippidis <cesar@codesourcery.com>
4675 * omp-low.c (lower_oacc_reductions): Check for TREE_CONSTANT
4676 when building a mem ref for the incoming reduction variable.
4678 2016-04-14 Richard Biener <rguenther@suse.de>
4680 PR tree-optimization/70614
4681 * tree-scalar-evolution.c (analyze_evolution_in_loop): Terminate
4682 loop if the evolution dropped to chrec_dont_know.
4683 (interpret_condition_phi): Likewise.
4685 2016-04-14 Richard Biener <rguenther@suse.de>
4687 PR tree-optimization/70623
4688 * tree-ssa-pre.c (changed_blocks): Make global ...
4689 (compute_antic): ... local here. Move and fix worklist
4690 handling here. Do not clear EDGE_DFS_BACK or call mark_dfs_back_edges.
4691 (compute_antic_aux): Add dumping for MAX assumed succs. Remove
4692 worklist handling, dump when ANTIC_IN changed.
4693 (compute_partial_antic_aux): Remove worklist handling.
4694 (init_pre): Do not compute post dominators. Add a comment about
4695 the CFG order chosen.
4696 (fini_pre): Do not free post dominators.
4698 2016-04-13 Martin Sebor <msebor@redhat.com>
4703 * doc/extend.texi (Variable Length): Document C++ specifics.
4705 2016-04-13 Jakub Jelinek <jakub@redhat.com>
4708 * ipa-pure-const.c (pass_nothrow::execute): Call maybe_clean_eh_stmt
4709 on all recursive call stmts. Return TODO_cleanup_cfg if any dead
4710 eh edges have been purged.
4713 * tree-sra.c (create_access_replacement,
4714 get_replaced_param_substitute): Set DECL_NAMELESS on repl if it
4716 * tree-pretty-print.c (dump_fancy_name): New function.
4717 (dump_decl_name, dump_generic_node): Use it.
4719 2016-04-13 Jason Merrill <jason@redhat.com>
4721 * cfgexpand.c (pass_expand::execute): Handle attribute "abi warning".
4722 * expr.c (expand_expr_real_1): Likewise.
4724 2016-04-13 Ilya Enkovich <ilya.enkovich@intel.com>
4726 * config/i386/i386.md (kunpckhi): Swap operands.
4727 (kunpcksi): Likewise.
4728 (kunpckdi): Likewise.
4729 * config/i386/sse.md (vec_pack_trunc_qi): Likewise.
4730 (vec_pack_trunc_<mode>): Likewise.
4732 2016-04-13 Jakub Jelinek <jakub@redhat.com>
4735 * explow.c (convert_memory_address_addr_space_1): Formatting fix.
4738 * gimplify.c (gimplify_init_constructor): Clear TREE_STATIC if
4739 gimplification turns some element into non-constant.
4742 * rtl.h (convert_memory_address_addr_space_1): New prototype.
4743 * explow.c (convert_memory_address_addr_space_1): No longer static,
4744 add NO_EMIT argument and don't call convert_modes if true, pass
4745 it down recursively, remove break after return.
4746 (convert_memory_address_addr_space): Adjust caller.
4747 * simplify-rtx.c (simplify_unary_operation_1): Call
4748 convert_memory_address_addr_space_1 instead of convert_memory_address,
4749 if it returns NULL, don't simplify.
4751 2016-04-12 Eric Botcazou <ebotcazou@adacore.com>
4754 * config/sparc/sparc.c (sparc_compute_frame_size): Add parentheses.
4756 2016-04-12 Jakub Jelinek <jakub@redhat.com>
4758 * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
4759 Bump the upper SIMDLEN limits, so that if the return type or
4760 characteristic type if the return type is void can be passed in
4761 all available SSE2/AVX/AVX2/AVX512-F registers, the SIMDLEN is
4764 2016-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
4767 * config/rs6000/rs6000.md (ieee_128bit_vsx_neg<mode>2_internal):
4768 Do not use "=" constraint on an input constraint.
4769 (ieee_128bit_vsx_abs<mode>2_internal): Likewise.
4770 (ieee_128bit_vsx_nabs<mode>2_internal): Likewise.
4771 (ieee_128bit_vsx_nabs<mode>2): Correct splitter so that it
4772 generates (neg (abs ...)) instead of (abs ...).
4774 2016-04-12 Jakub Jelinek <jakub@redhat.com>
4776 PR rtl-optimization/70596
4777 * lra-spills.c (spill_pseudos): Don't delete debug insns, instead
4778 just invalidate LRA data and reset them. Adjust dump wording.
4780 2016-04-12 Martin Liska <mliska@suse.cz>
4783 2016-03-30 Jan Hubicka <hubicka@ucw.cz>
4785 * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
4787 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
4788 max_loop_iterations_int.
4789 (tree_unswitch_outer_loop): Likewise.
4790 * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
4791 * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
4793 2016-04-12 Tom de Vries <tom@codesourcery.com>
4795 PR tree-optimization/68756
4796 * graphite-isl-ast-to-gimple.c (copy_cond_phi_args): Use new_expr
4797 instead of new_name.
4799 2016-04-12 Jakub Jelinek <jakub@redhat.com>
4801 PR tree-optimization/70602
4802 * tree-sra.c (generate_subtree_copies): Don't write anything into
4803 constant pool decls.
4805 * omp-low.c (lower_omp_target): Use GOMP_MAP_FIRSTPRIVATE_INT
4806 regardless whether there are depend clauses or not.
4808 2016-04-11 Michael Meissner <meissner@linux.vnet.ibm.com>
4811 * config/rs6000/rs6000.c (rs6000_opt_masks): Disable using the
4812 target attribute and pragma from changing the -mfloat128
4813 and -mfloat128-hardware options.
4815 * doc/extend.texi (Additional Floating Types): Document PowerPC
4816 __float128 restrictions.
4818 2016-04-11 James Greenhalgh <james.greenhalgh@arm.com>
4821 * config/aarch64/driver-aarch64.c
4822 (aarch64_get_extension_string_for_isa_flags): New.
4823 (arch_extension): Rename to...
4824 (aarch64_arch_extension): ...This.
4825 (ext_to_feat_string): Rename to...
4826 (aarch64_extensions): ...This.
4827 (aarch64_core_data): Keep track of architecture extension flags.
4828 (cpu_data): Rename to...
4829 (aarch64_cpu_data): ...This.
4830 (aarch64_arch_driver_info): Keep track of architecture extension
4832 (get_arch_name_from_id): Rename to...
4833 (get_arch_from_id): ...This, change return type.
4834 (host_detect_local_cpu): Update and reformat for renames, handle
4835 extensions through common infrastructure.
4837 2016-04-11 James Greenhalgh <james.greenhalgh@arm.com>
4840 * config/aarch64/aarch64-common.c (aarch64_option_extension): Keep
4841 track of a canonical flag name.
4842 (all_extensions): Likewise.
4843 (arch_to_arch_name): Also track extension flags enabled by the arch.
4844 (all_architectures): Likewise.
4845 (aarch64_parse_extension): Move to here.
4846 (aarch64_get_extension_string_for_isa_flags): Take a new argument,
4848 (aarch64_rewrite_selected_cpu): Update for above change.
4849 * config/aarch64/aarch64-option-extensions.def: Rework the way flags
4850 are handled, such that the single explicit value enabled by an
4851 extension is kept seperate from the implicit values it also enables.
4852 * config/aarch64/aarch64-protos.h (aarch64_parse_opt_result): Move
4854 (aarch64_parse_extension): New.
4855 * config/aarch64/aarch64.c (aarch64_parse_opt_result): Move from
4856 here to config/aarch64/aarch64-protos.h.
4857 (aarch64_parse_extension): Move from here to
4858 common/config/aarch64/aarch64-common.c.
4859 (aarch64_option_print): Update.
4860 (aarch64_declare_function_name): Likewise.
4861 (aarch64_start_file): Likewise.
4862 * config/aarch64/driver-aarch64.c (arch_extension): Keep track of
4863 the canonical flag for extensions.
4864 * config.gcc (aarch64*-*-*): Extend regex for capturing extension
4867 2016-04-11 James Greenhalgh <james.greenhalgh@arm.com>
4869 * config/aarch64/aarch64.h (AARCH64_FL_FOR_ARCH8_1): Also add
4872 2016-04-09 Tom de Vries <tom@codesourcery.com>
4874 PR tree-optimization/68953
4875 * graphite-sese-to-poly.c (pdr_add_memory_accesses): Order accesses from
4876 first to last subscript.
4878 2016-04-09 Jakub Jelinek <jakub@redhat.com>
4880 PR tree-optimization/70586
4881 * tree-ssa-ifcombine.c (bb_no_side_effects_p): Return false
4884 2016-04-08 Cesar Philippidis <cesar@codesourcery.com>
4888 PR tree-optimization/70373
4892 * gimplify.c (gimplify_adjust_omp_clauses): Add or adjust data
4893 clauses for acc parallel reductions as necessary. Error on those
4895 * omp-low.c (scan_sharing_clauses): Don't install variables which
4896 are used in acc parallel reductions.
4897 (lower_rec_input_clauses): Remove dead code.
4898 (lower_oacc_reductions): Add support for reference reductions.
4899 (lower_reduction_clauses): Remove dead code.
4900 (lower_omp_target): Don't remap variables appearing in acc parallel
4902 * tree.h (OMP_CLAUSE_MAP_IN_REDUCTION): New macro.
4904 2016-04-08 Jakub Jelinek <jakub@redhat.com>
4907 * tree-ssa-coalesce.c (build_ssa_conflict_graph): For stmt
4908 with multiple SSA_NAME defs, force the outputs other than first
4909 to be live before calling live_track_process_def on each output.
4911 PR rtl-optimization/70574
4912 * fwprop.c (forward_propagate_and_simplify): Don't add
4913 REG_EQUAL note if DF_REF_REG (use) is a paradoxical subreg.
4914 (try_fwprop_subst): Don't add REG_EQUAL note if there are any
4915 paradoxical subregs within *loc.
4917 2016-04-08 Thomas Schwinge <thomas@codesourcery.com>
4919 * config/arc/arc.h (LINK_COMMAND_SPEC): Use gt to ignore
4920 -ftree-parallelize-loops={0,1}.
4921 * config/darwin.h (LINK_COMMAND_SPEC_A): Likewise.
4922 * config/i386/mingw32.h (GOMP_SELF_SPECS): Likewise.
4923 * config/ia64/hpux.h (LIB_SPEC): Likewise.
4924 * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
4925 * config/pa/pa64-hpux.h (LIB_SPEC): Likewise.
4927 2016-04-08 Maxim Ostapenko <m.ostapenko@samsung.com>
4930 * asan.c (instrument_derefs): If we get unknown location, extract it
4932 (maybe_instrument_call): Instrument gimple_call's arguments if needed.
4934 2016-04-08 Tom de Vries <tom@codesourcery.com>
4936 * omp-low.c (lower_omp_target): Set TREE_NO_WARNING for oacc
4937 implicit firstprivate clause.
4939 2016-04-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4942 * config/arm/thumb2.md (tst + branch-> lsls + branch
4943 peephole below *orsi_not_shiftsi_si): Require that condition
4944 register is dead after the peephole.
4945 (second peephole after the above): Likewise.
4947 2016-04-08 Alan Modra <amodra@gmail.com>
4950 * builtins.c (fold_builtin_classify): For IBM extended precision,
4951 look at just the high-order double to test for NaN.
4952 (fold_builtin_interclass_mathfn): Similarly for Inf. For isnormal
4953 test just the high double for Inf but both doubles for subnormal
4956 2016-04-07 Jakub Jelinek <jakub@redhat.com>
4958 * cgraph.h (struct cgraph_simd_clone): Add mask_mode field.
4959 * omp-low.c (simd_clone_init_simd_arrays, simd_clone_adjust): Handle
4960 node->simdclone->mask_mode != VOIDmode masks.
4961 (simd_clone_adjust_argument_types): Likewise. Move sc var definition
4962 earlier, use it instead of node->simdclone.
4963 * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
4964 Set clonei->mask_mode.
4966 2016-04-06 Patrick Palka <ppalka@gcc.gnu.org>
4969 * parser.c (cp_parser_iteration_statement): New parameter IF_P.
4970 Pass it through to cp_parser_already_scoped_statement.
4971 (cp_parser_already_scoped_statement): New parameter IF_P. Pass
4972 it through to cp_parser_statement.
4973 (cp_parser_statement): Pass IF_P through to
4974 cp_parser_iteration_statement.
4975 (cp_parser_pragma): Adjust call to
4976 cp_parser_iteration_statement.
4978 2016-04-06 Patrick Palka <ppalka@gcc.gnu.org>
4981 * gimplify.c (gimplify_omp_ordered): Add explicit braces to
4982 resolve a future -Wparentheses warning.
4983 * omp-low.c (scan_sharing_clauses): Likewise.
4984 * tree-parloops.c (eliminate_local_variables): Likewise.
4986 2016-04-06 Vladimir Makarov <vmakarov@redhat.com>
4988 PR rtl-optimization/70398
4989 * lra-constraints.c (process_address_1): Check zero scale and code
4990 for reloading with zero scale.
4992 2016-04-06 Uros Bizjak <ubizjak@gmail.com>
4994 * config/i386/sse.md (shuffletype): Add V32HI and V4TI modes.
4995 (ssescalarsize): Add V8SF, V4SF, V4DF and V2DF modes.
4997 2016-04-06 Jakub Jelinek <jakub@redhat.com>
4999 * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
5000 Add support for AVX512F clones, include them by default for
5001 exported OpenMP declare simd functions. For AVX2 allow simdlen 32
5002 and use it if charasteric type is 8-bit, for AVX512F allow simdlen
5006 * tree.h (OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT): Define.
5007 * gimplify.c (gimplify_adjust_omp_clauses_1): Set it for implicit
5008 firstprivate clauses.
5009 * omp-low.c (lower_send_clauses): Set TREE_NO_WARNING for
5010 OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT !by_ref vars in task contexts.
5011 (lower_omp_target): Set TREE_NO_WARNING for
5012 non-addressable possibly uninitialized vars which are copied into
5013 addressable temporaries or copied for GOMP_MAP_FIRSTPRIVATE_INT.
5015 2016-04-05 John David Anglin <danglin@gcc.gnu.org>
5017 * config/pa/predicates.md (integer_store_memory_operand): Accept
5018 REG+D operands with a large offset when reload_in_progress is true.
5019 (floating_point_store_memory_operand): Likewise.
5021 2016-04-05 Jakub Jelinek <jakub@redhat.com>
5024 * match.pd (nested int casts): Limit to GIMPLE.
5026 2016-04-05 Jan Hubicka <hubicka@ucw.cz>
5029 * ipa-devirt.c (maybe_record_node): Fix comment; use
5030 SANITIZE_UNREACHABLE instead of SANITIZE_UNDEFINED.
5032 2016-04-05 Jakub Jelinek <jakub@redhat.com>
5034 PR rtl-optimization/70542
5035 * ree.c (add_removable_extension): For VECTOR_MODE_P punt
5036 if there are any uses other than insn or debug insns.
5038 2016-04-05 Marc Glisse <marc.glisse@inria.fr>
5039 Jakub Jelinek <jakub@redhat.com>
5041 PR tree-optimization/70509
5042 * simplify-rtx.c (simplify_binary_operation_1) <case VEC_SELECT>:
5043 Shift HOST_WIDE_INT_1U instead of 1.
5045 2016-04-05 Zdenek Sojka <zsojka@seznam.cz>
5047 PR tree-optimization/70509
5048 * tree-ssa-forwprop.c (simplify_bitfield_ref): Use bitsize_int instead
5049 of the vector base type for index.
5051 2016-04-05 Uros Bizjak <ubizjak@gmail.com>
5054 * config/i386/sse.md (iptr): Add V64QI, V32HI, V16SI and V8DI modes.
5056 2016-04-05 Richard Biener <rguenther@suse.de>
5058 PR tree-optimization/70526
5059 * tree-sra.c (build_ref_for_offset): Use prev_base to
5060 extract the alias pointer type.
5062 2016-04-05 Richard Biener <rguenther@suse.de>
5064 * dse.c (struct store_info): Remove alias_set member.
5065 (struct read_info_type): Likewise.
5066 (clear_alias_group, clear_alias_mode_table, clear_alias_mode_holder,
5067 spill_deleted, clear_alias_set_lookup): Remove.
5068 (get_group_info): Remove dead base == NULL_RTX case.
5069 (dse_step0): Remove initialization of removed variables.
5070 (delete_dead_store_insn): Reomve alias set dumping.
5071 (free_read_records): Remove alias_set handling.
5072 (canon_address): Remove alias_set_out parameter.
5073 (record_store): Remove spill_alias_set, it's always zero.
5074 (check_mem_read_rtx): Likewise.
5075 (dse_step2): Rename from ...
5076 (dse_step2_nospill): ... this. Adjust.
5077 (scan_stores): Rename from ...
5078 (scan_stores_nospill): ... this.
5079 (scan_reads): Rename from ...
5080 (scan_reads_nospill): ... this.
5081 (scan_stores_spill, scan_reads_spill): Remove.
5082 (dse_step3_scan): Remove for_spills argument which is always false.
5083 (dse_step3): Likewise.
5084 (dse_step5): Rename from ...
5085 (dse_step5_nospill): ... this. Remove alias_set handling.
5086 (rest_of_handle_dse): Adjust.
5088 2016-04-05 Jakub Jelinek <jakub@redhat.com>
5091 * config/i386/sse.md (*andnot<mode>3): Simplify assertions.
5092 Use vpandn<ssemodesuffix> for V16SI/V8DImode, vpandnq for
5093 V32HI/V64QImode, don't use <mask_operand3_1>, fix up formatting.
5094 (*andnot<mode>3_mask): Remove insn with VI12_AVX512VL iterator.
5096 2016-04-05 Richard Biener <rguenther@suse.de>
5099 * gimplify-me.c (gimple_regimplify_operands): Do not rewrite
5100 non-register type temporaries into SSA.
5102 2016-04-04 Jan Hubicka <hubicka@ucw.cz>
5105 * ipa-devirt.c (maybe_record_node): Do not optimize cxa_pure_virtual
5106 calls when sanitizing.
5107 (possible_polymorphic_call_target_p): Fix formatting.
5109 2016-04-04 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
5110 Jakub Jelinek <jakub@redhat.com>
5113 * tree-inline.c (estimate_num_insn): Use gimple_call_builtin_p
5114 to ensure a call statement is compatible with a built-in's
5116 * tree-ssa-math-opts.c (pass_optimize_windening_mul::execute):
5119 2016-04-04 Richard Biener <rguenther@suse.de>
5121 PR rtl-optimization/70484
5122 * rtl.h (canon_output_dependence): Declare.
5123 * alias.c (canon_output_dependence): New function.
5124 * dse.c (record_store): Use canon_output_dependence rather
5125 than canon_true_dependence.
5127 2016-03-30 Jan Hubicka <hubicka@ucw.cz>
5130 * cgraph.h (symtab_node::copy_visibility_from): New function.
5131 * symtab.c (symtab_node::copy_visibility_from): New function.
5132 * ipa-visibility.c (optimize_weakref): New function.
5133 (function_and_variable_visibility): Use it.
5135 2016-04-04 Martin Liska <mliska@suse.cz>
5138 * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Guard index
5139 value that is really in range handled by SBR instruction.
5140 * hsa-brig.c (emit_switch_insn): Do not emit unconditional jump.
5141 * hsa-dump.c (dump_hsa_insn_1): Do not dump default BB.
5142 * hsa.h (hsa_insn_sbr::m_default_bb): Remove field.
5144 2016-04-03 Oleg Endo <olegendo@gcc.gnu.org>
5148 * config/sh/sh.md (*addsi3): Allow pattern when reload_in_progress is
5149 set, but not for SP_REG operands.
5151 2016-04-02 Martin Sebor <msebor@redhat.com>
5154 * fold-const.c (maybe_nonzero_address): New function.
5155 (fold_comparison): Call it. Fold equality and relational
5156 expressions involving null pointers.
5157 (tree_single_nonzero_warnv_p): Call maybe_nonzero_address.
5159 2016-03-31 Evandro Menezes <e.menezes@samsung.com>
5161 Fix the predicate "aarch64_simd_reg_or_zero" to correctly validate
5162 the "Y" constraint (scalar FP 0.0 immediate).
5164 * gcc/config/aarch64/predicates.md (aarch64_simd_reg_or_zero):
5165 Add the "const_double" to the list of operand constraints.
5167 2016-04-01 Jakub Jelinek <jakub@redhat.com>
5169 PR rtl-optimization/70467
5170 * config/i386/i386.md (*add<dwi>3_doubleword, *sub<dwi>3_doubleword):
5171 If low word of the last operand is 0, just emit addition/subtraction
5174 2016-04-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
5177 * config/s390/s390.c (s390_expand_insv): Check for everything
5178 constant instead of just VOIDmode stuff.
5180 2016-04-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
5183 * config/arm/arm.h (ASM_APP_OFF): Handle TARGET_ARM and TARGET_THUMB.
5185 2016-04-01 Nathan Sidwell <nathan@acm.org>
5187 * tree.def (TRY_CATCH_EXPR): Correct documentation.
5189 2016-03-31 Vladimir Makarov <vmakarov@redhat.com>
5191 PR rtl-optimization/70461
5192 * ira-color.c (allocno_copy_cost_saving): Use allocno class if it
5195 2016-03-31 Martin Liska <mliska@suse.cz>
5198 * hsa-brig.c (hsa_op_immed::emit_to_buffer): Emit either
5199 a tree value or an immediate integer value to a buffer
5200 that is eventually copied to a BRIG section.
5201 (emit_immediate_operand): Call the function here.
5202 * hsa-dump.c (dump_hsa_immed): Remove checking assert.
5203 * hsa-gen.c (hsa_op_immed::hsa_op_immed): Remove initialization
5204 of class' fields that are removed.
5205 (hsa_op_immed::~hsa_op_immed): Remove deinitialization.
5206 * hsa.h (class hsa_op_immed): Remove m_brig_repr and
5207 m_brig_repr_size fields.
5209 2016-03-31 Martin Liska <mliska@suse.cz>
5212 * hsa-gen.c (hsa_function_representation::update_dominance): New
5214 (convert_addr_to_flat_segment): Likewise.
5215 (gen_hsa_memory_set): New alignment argument.
5216 (gen_hsa_ctor_assignment): Likewise.
5217 (gen_hsa_insns_for_single_assignment): Provide alignment
5218 to gen_hsa_ctor_assignment.
5219 (gen_hsa_insns_for_direct_call): Add new argument.
5220 (expand_lhs_of_string_op): New function.
5221 (expand_string_operation_builtin): Likewise.
5222 (expand_memory_copy): New function.
5223 (expand_memory_set): New function.
5224 (gen_hsa_insns_for_call): Use HOST_WIDE_INT.
5225 (convert_switch_statements): Change signature.
5226 (generate_hsa): Use a return value of the function.
5227 (pass_gen_hsail::execute): Do not call
5228 convert_switch_statements here.
5229 * hsa-regalloc.c (hsa_regalloc): Call update_dominance.
5230 * hsa.h (hsa_function_representation::m_modified_cfg): New flag.
5231 (hsa_function_representation::update_dominance): New function.
5233 2016-03-31 Martin Liska <mliska@suse.cz>
5236 * hsa-brig.c (emit_directive_variable): Emit alignment
5237 according to hsa_symbol::m_align.
5238 * hsa-dump.c (hsa_byte_alignment): Move the function to another file.
5239 (dump_hsa_symbol): Dump alignment of HSA symbols.
5240 * hsa-gen.c (get_symbol_for_decl): Set-up alignment of a symbol.
5241 (gen_hsa_addr_with_align): New function.
5242 (hsa_bitmemref_alignment): Use newly added function.
5243 (gen_hsa_insns_for_load): Likewise.
5244 (gen_hsa_insns_for_store): Likewise.
5245 (gen_hsa_memory_copy): New argument added.
5246 (gen_hsa_insns_for_single_assignment): Respect
5247 alignment for assignments processed via gen_hsa_memory_copy.
5248 (gen_hsa_insns_for_direct_call): Likewise.
5249 (gen_hsa_insns_for_return): Likewise.
5250 (gen_function_def_parameters): Set default alignment.
5251 * hsa.c (hsa_object_alignment): New function.
5252 (hsa_byte_alignment): Pasted function.
5253 * hsa.h (hsa_symbol::m_align): New field.
5255 2016-03-31 Bin Cheng <bin.cheng@arm.com>
5257 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Initialize
5258 scratch field for goto case.
5260 2016-03-31 James Greenhalgh <james.greenhalgh@arm.com>
5262 * config/arm/linux-elf.h (ASM_OUTPUT_DEF): Delete.
5264 2016-03-31 Ilya Enkovich <enkovich.gnu@gmail.com>
5267 * config/i386/i386.c (scalar_chain::convert_op): Fix description.
5268 (scalar_chain::convert_insn): Call convert_op for reg
5269 moves to handle undefined registers.
5271 2016-03-31 Nathan Sidwell <nathan@acm.org>
5274 * varasm.c (output_constructor_regular_field): Flush bitfield earlier.
5275 Assert we don't want to move backwards.
5277 2016-03-31 Kirill Yukhin <kirill.yukhin@intel.com>
5280 * config/i386/sse.md (define_mode_attr shuffletype): Fix typo.
5282 2016-03-31 Jakub Jelinek <jakub@redhat.com>
5284 PR rtl-optimization/70460
5285 * ira.c (indirect_jump_optimize): Don't substitute LABEL_REF
5286 with operand from REG_LABEL_OPERAND, instead substitute
5287 SET_SRC or REG_EQUAL note content if it is a LABEL_REF.
5288 Don't do anything for REG_NON_LOCAL_GOTO jumps.
5290 2016-03-31 Martin Liska <mliska@suse.cz>
5292 * passes.c (execute_one_pass): Do not call
5293 todo_after for a discarded function.
5295 2016-03-31 Bin Cheng <bin.cheng@arm.com>
5297 * tree-ssa-loop-ivopts.c (struct comp_cost): New scrach field.
5298 (no_cost, infinite_cost): Initialize the new field.
5299 (get_computation_cost_at): Record setup cost.
5300 (determine_use_iv_cost_address): Skip cost computation for sub
5301 uses if we can estimate it without losing accuracy.
5303 2016-03-30 Jan Hubicka <hubicka@ucw.cz>
5305 * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
5307 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
5308 max_loop_iterations_int.
5309 (tree_unswitch_outer_loop): Likewise.
5310 * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
5311 * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
5313 2016-03-30 Richard Biener <rguenther@suse.de>
5316 * fold-const.c (extract_muldiv_1): Fix thinko in wide_int::from usage.
5318 2016-03-30 Jakub Jelinek <jakub@redhat.com>
5321 * config/i386/i386.c (ix86_expand_vector_set): Fix up argument order
5322 in gen_blendm expander.
5324 2016-03-30 Nick Clifton <nickc@redhat.com>
5327 * config/arm/arm.c (arm_reload_out_hi): Add code to handle the
5328 case where we are already provided with an SImode SUBREG.
5330 2016-03-30 H.J. Lu <hongjiu.lu@intel.com>
5333 * config/i386/i386.c (ix86_expand_epilogue): Properly check
5334 conflict between DRAP register and __builtin_eh_return.
5336 2016-03-30 Michael Matz <matz@suse.de>
5337 Richard Biener <rguenther@suse.de>
5340 * ipa-polymorphic-call.c (struct type_change_info): Change
5341 speculative to an unsigned allowing to limit the work we do.
5342 (csftc_abort_walking_p): New inline function..
5343 (check_stmt_for_type_change): Limit the number of may-defs
5344 skipped for speculative devirtualization to
5345 max-speculative-devirt-maydefs.
5346 * params.def (max-speculative-devirt-maydefs): New param.
5347 * doc/invoke.texi (--param max-speculative-devirt-maydefs): Document.
5349 2016-03-30 Mike Stump <mrs@gcc.gnu.org>
5352 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Use when profiling
5355 2016-03-30 Patrick Palka <ppalka@gcc.gnu.org>
5357 PR tree-optimization/59124
5358 * tree-vrp.c (register_edge_assert_for_2): For NAME != CST1
5359 where NAME = A +- CST2 add the assertion A != (CST1 -+ CST2).
5361 2016-03-29 Jeff Law <law@redhat.com>
5363 * tree-ssa-coalesce.c (struct ssa_conflicts): Fix typo in comment.
5365 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
5367 * tree-ssa-loop-ivcanon.c (try_peel_loop): Change type of peel
5370 2016-03-29 Thomas Schwinge <thomas@codesourcery.com>
5372 * config/gnu.h (CPP_SPEC, LIB_SPEC): Don't override.
5373 * config/i386/gnu.h (STARTFILE_SPEC): Use gcrt1.o instead of
5374 gcrt0.o if linking dynamically.
5376 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
5379 * ipa-devirt.c (methods_equal_p): New function.
5380 (compare_virtual_tables): Use it.
5381 * cgraph.h (symbol_table::symbol_suffix_separator): Declare.
5382 * cgraphclones.c (clone_function_name_1): Use
5383 symbol_table::symbol_suffix_separator.
5384 * coverage.c (build_var): Likewise.
5385 * symtab.c (symbol_table::symbol_suffix_separator): New.
5387 2016-03-29 Jakub Jelinek <jakub@redhat.com>
5389 PR rtl-optimization/70429
5390 * combine.c (simplify_shift_const_1): For ASHIFTRT don't optimize
5391 (cst1 >> count) >> cst2 into (cst1 >> cst2) >> count if
5392 mode != result_mode.
5395 * tree-inline.c (remap_decls): Don't add_local_decl if cfun is null.
5397 PR tree-optimization/70405
5398 * ssa-iterators.h (num_imm_uses): Add missing braces.
5400 2016-03-29 Vladimir Makarov <vmakarov@redhat.com>
5402 PR rtl-optimization/68695
5403 * ira-color.c (allocno_copy_cost_saving): New.
5404 (improve_allocation): Use it.
5406 2016-03-29 Richard Henderson <rth@redhat.com>
5409 * lower-subreg.c (simplify_subreg_concatn): Reject paradoxical subregs.
5411 2016-03-29 Richard Biener <rguenther@suse.de>
5414 * ipa-prop.c (ipa_compute_jump_functions_for_edge): Always
5415 use alignment returned by get_pointer_alignment_1 if it is
5416 bigger than BITS_PER_UNIT.
5417 * builtins.c (get_pointer_alignment_1): Do not return true
5418 for alignment extracted from SSA info.
5420 2016-03-28 James Bowman <james.bowman@ftdichip.com>
5422 * config/ft32/ft32.opt (mnodiv): New.
5423 * config/ft32/ft32.md (*divsi3, *modsi3): Qualify with TARGET_NODIV.
5424 * doc/invoke.texi (FT32 Options -mnodiv): New.
5426 2016-03-28 Kirill Yukhin <kirill.yukhin@intel.com>
5429 * config/i386/i386.md (define_split, andn): Fix modes.
5431 2016-03-26 Richard Biener <rguenther@suse.de>
5432 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
5435 * ipa-inline-transform.c (inline_call): Pass opts_for_fn (to->decl)
5437 TREE_OPTIMIZATION (DECL_FUNCTION_SPECIFIC_OPTIMIZATION (to->decl))
5438 as 2nd argument to cl_optimization_restore().
5440 2016-03-25 Richard Henderson <rth@redhat.com>
5443 * config/aarch64/aarch64.c (aarch64_asm_output_pool_epilogue): New.
5444 * config/aarch64/aarch64-protos.h: Declare it.
5445 * config/aarch64/aarch64.h (ASM_OUTPUT_POOL_EPILOGUE): New.
5447 2016-03-25 Alan Modra <amodra@gmail.com>
5450 * config/rs6000/constraints.md (j): Simplify.
5451 * config/rs6000/predicates.md (easy_fp_constant): Exclude
5453 * config/rs6000/rs6000.md (zero_fp): New mode_attr.
5454 (mov<mode>_hardfloat, mov<mode>_hardfloat32, mov<mode>_hardfloat64,
5455 mov<mode>_64bit_dm, mov<mode>_32bit): Use zero_fp in place of j
5456 in all constraint alternatives.
5457 (movtd_64bit_nodm): Delete "j" constraint alternative.
5459 2016-03-24 Aldy Hernandez <aldyh@redhat.com>
5461 * tree-ssa-propagate.c: Enhance docs for
5462 SSA_PROP_NOT_INTERESTING.
5464 2016-03-24 Aldy Hernandez <aldyh@redhat.com>
5466 * doc/extend.texi: Fix typo in documentation to pure attribute.
5468 2016-03-24 John David Anglin <danglin@gcc.gnu.org>
5471 * config/pa/pa.md (bswapdi2): Use a scratch register.
5473 2016-03-24 Richard Henderson <rth@redhat.com>
5476 * fold-const.c (extract_muldiv_1): Correct test for multiplication
5479 2016-03-24 Uros Bizjak <ubizjak@gmail.com>
5481 * config/i386/i386.md (*anddi3_doubleword): Generate AND insn
5482 using ix86_expand_binary_operator instead of gen_andsi3.
5484 2016-03-24 Richard Biener <rguenther@suse.de>
5486 PR tree-optimization/70396
5487 * tree-vect-stmts.c (vectorizable_comparison): Use
5488 get_vectype_for_scalar_type.
5490 2016-03-24 Richard Biener <rguenther@suse.de>
5493 * gimplify.c (gimplify_asm_expr): Handle !allows_mem outputs
5494 with register bases.
5496 2016-03-24 Richard Biener <rguenther@suse.de>
5498 PR tree-optimization/70372
5499 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Use
5500 build_all_ones_cst to also handle vector types correctly.
5502 2016-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
5505 * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Do not set
5508 2016-03-23 Marek Polacek <polacek@redhat.com>
5511 * doc/invoke.texi: Document -Wignored-attributes.
5513 2016-03-23 Bin Cheng <bin.cheng@arm.com>
5515 PR tree-optimization/69042
5516 * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND): Increase the
5517 parameter from 30 to 40.
5519 2016-03-23 Bin Cheng <bin.cheng@arm.com>
5521 PR tree-optimization/69042
5522 * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Add IV cand
5523 for use with constant offset stripped in base.
5525 2016-03-23 Richard Biener <rguenther@suse.de>
5528 * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Adjust
5529 mode compatibility check.
5530 (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
5532 2016-03-23 Jeff Law <law@redhat.com>
5534 PR tree-optimization/64058
5535 * tree-ssa-coalesce.c (struct coalesce_pair): Add new field
5537 (struct ssa_conflicts): Move up earlier in the file.
5538 (conflicts_, var_map_): New static variables.
5539 (initialize_conflict_count): New function to initialize the
5540 CONFLICT_COUNT field for each conflict pair.
5541 (compare_pairs): Lazily initialize the conflict count and use it
5542 as the first tie-breaker.
5543 (sort_coalesce_list): Add new arguments conflicts, map. Initialize
5544 and wipe conflicts_ and map_ around the call to qsort. Remove
5545 special case for 2 coalesce pairs.
5546 * bitmap.c (bitmap_count_unique_bits): New function.
5547 (bitmap_count_bits_in_word): New function, extracted from
5549 (bitmap_count_bits): Use bitmap_count_bits_in_word.
5550 * bitmap.h (bitmap_count_unique_bits): Declare it.
5552 2016-03-23 Ilya Enkovich <enkovich.gnu@gmail.com>
5555 * config/i386/sol2.h (ASM_OUTPUT_DEF_FROM_DECLS): Follow
5556 transparent alias chain for decl assembler name.
5557 * config/sol2.c (solaris_assemble_visibility): Likewise.
5559 2016-03-23 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5561 * config/arm/arm1020e.md (1020call_op): Reduce reservation
5563 (v10_fdivs): Likewise.
5564 (v10_fdivd): Likewise.
5566 2016-03-23 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5569 * config/arm/driver-arm.c (host_detect_local_cpu): Reorder exit logic
5570 to not call fclose twice on file.
5572 2016-03-23 Jakub Jelinek <jakub@redhat.com>
5574 PR tree-optimization/70354
5575 * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
5576 oprnd0 is wider than oprnd1 and there is a cast from the wider
5577 type to oprnd1, mask it with the mask of the narrower type.
5580 * config/i386/i386.md (*anddi3_doubleword, *<code>di3_doubleword):
5581 Optimize TARGET_STV splitters, if high or low word of last argument
5584 2016-03-22 Jeff Law <law@redhat.com>
5587 tree-ssa-threadbackward.c
5588 (fsm_find_control_statement_thread_paths): Correctly distinguish
5589 between old style jump threads vs FSM jump threads.
5591 2016-03-22 Ilya Enkovich <enkovich.gnu@gmail.com>
5594 * config/i386/i386.c (scalar_chain::convert_op): Support
5595 uninitialized register usage case.
5597 2016-03-22 Richard Biener <rguenther@suse.de>
5600 * genmatch.c (gen_transform): Adjust last parameter to a three-state
5602 (capture::gen_transform): ... to change behavior when substituting
5603 a condition into cond or not-cond expr context.
5604 (dt_simplify::gen_1): Adjust.
5605 * gimple-match-head.c: Include gimplify.h for unshare_expr.
5606 * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Revert
5607 last change and instead change to
5608 A + (B vcmp C ? 1 : 0) -> A - (B vcmp C ? -1 : 0).
5609 (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
5611 2016-03-22 Anthony Green <green@moxielogic.com>
5613 * config/moxie/moxiebox.h (CC1_SPEC): Define. Fix endianness
5614 issue for moxiebox targets.
5615 (CC1PLUS_SPEC): Ditto.
5617 2016-03-22 Richard Biener <rguenther@suse.de>
5620 * fold-const.c (extract_muldiv_1): Properly perform multiplication
5623 2016-03-22 Kirill Yukhin <kirill.yukhin@intel.com>
5625 * config/i386/i386.c (def_builtin): Remove duplicated functionality.
5627 2016-03-22 Kirill Yukhin <kirill.yukhin@intel.com>
5630 * config/i386/i386.c (def_builtin): Handle
5631 OPTION_MASK_ISA_AVX512VL to be and-ed with other
5633 (const struct builtin_description bdesc_special_args[]):
5634 Remove duplicate ISA bits.
5636 2016-03-22 Jakub Jelinek <jakub@redhat.com>
5639 * config/i386/i386.c (ix86_expand_vecop_qihi): Don't bother computing
5640 d.perm[i] for i >= d.nelt. If not full_interleave, compute d.perm[i]
5641 in a way that works also for AVX512BW.
5644 * config/i386/i386.md (cvtsd2ss splitter): Unpack in destination
5645 instead of source if operands[1] is xmm16 and above and
5646 !TARGET_AVX512VL. Use avx512f_vec_dupv16sf_1 instead of
5647 vec_interleave_lowv4sf if we need to unpack xmm16 and above.
5650 * gimplify.c (gimplify_modify_expr): Call gimple_set_no_warning
5651 on assign if (*from_p) is a comparison, set it to
5652 TREE_NO_WARNING (*from_p).
5654 2016-03-21 Jakub Jelinek <jakub@redhat.com>
5657 * lra.c (restore_scratches): Ignore deleted insns.
5659 2016-03-21 Marc Glisse <marc.glisse@inria.fr>
5660 Jakub Jelinek <jakub@redhat.com>
5662 PR tree-optimization/70317
5663 * match.pd (cmp @0 @0): Pass @0 instead of TYPE_MODE (TREE_TYPE (@0))
5666 2016-03-21 Uros Bizjak <ubizjak@gmail.com>
5669 * config/i386/i386.md (movxi): Use ix86_expand_vector_move instead
5670 of ix86_expand_move.
5672 (movti): Use general_operand for operand 1 predicate.
5674 2016-03-21 Martin Liska <mliska@suse.cz>
5676 * hsa-dump.c (dump_hsa_insn_1): dump default branch of SBR
5678 (dump_hsa_symbol): Dump BRIG offset of hsa_symbols.
5680 2016-03-21 Martin Liska <mliska@suse.cz>
5683 * ipa-icf.c (sem_function::parse): Skip static
5684 constructors and destructors.
5686 2016-03-21 Jakub Jelinek <jakub@redhat.com>
5689 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If IDENT is
5690 function-like macro, peek following token(s) if it is followed
5691 by CPP_OPEN_PAREN token with optional padding in between, and
5692 if not, don't treat it like a macro.
5694 2016-03-21 Thomas Schwinge <thomas@codesourcery.com>
5695 Alexander Monakov <amonakov@ispras.ru>
5697 * config/nvptx/nvptx.c (nvptx_option_override): Don't emit sorry
5698 for the stabs debug format.
5700 2016-03-21 Richard Biener <rguenther@suse.de>
5702 PR tree-optimization/70310
5703 * tree-vect-generic.c (expand_vector_condition): Fold the built
5706 2016-03-21 Kirill Yukhin <kirill.yukhin@intel.com>
5709 * config/i386/sse.md: (define_insn "*vec_dup<mode>"/AVX2):
5710 Block third alternative for AVX-512VL target,
5712 2016-03-21 Martin Liska <mliska@suse.cz>
5715 * hsa-brig.c (emit_function_directives): Mark unemitted
5716 global variables for emission.
5717 * hsa-gen.c (hsa_symbol::hsa_symbol): Initialize a new flag.
5718 (get_symbol_for_decl): Likewise.
5719 * hsa.h (struct hsa_symbol): New flag.
5721 2016-03-21 Richard Biener <rguenther@suse.de>
5723 PR tree-optimization/70288
5724 * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Make sure
5725 we do not estimate unsimplified all-constant conditionals or
5726 switches as optimized away.
5728 2016-03-21 Andrey Belevantsev <abel@ispras.ru>
5730 PR rtl-optimization/69102
5731 * sched-deps.c (sched_analyze_insn): Do not set last_args_size field
5732 when we have a readonly dependency context.
5734 2016-03-18 Jeff Law <law@redhat.com>
5736 PR rtl-optimization/70263
5737 * ira.c (memref_used_between_p): Assert we found END in the insn chain.
5738 (update_equiv_regs): When trying to move a store to after the insn
5739 that sets the source of the store, make sure the store occurs after
5740 the insn that sets the source of the store. When successful note
5741 the REG_EQUIV note created in the dump file.
5743 2016-03-16 David Wohlferd <dw@LimeGreenSocks.com>
5744 Bernd Schmidt <bschmidt@redhat.com>
5746 * doc/extend.texi: Document more potential problems with basic asms.
5748 2016-03-18 Bernd Schmidt <bschmidt@redhat.com>
5750 PR rtl-optimization/70278
5751 * lra-constraints.c (split_reg): Handle the case where biggest_mode is
5754 2016-03-18 Jason Merrill <jason@redhat.com>
5756 * calls.c (load_register_parameters): Fix zero size sibcall logic.
5758 2016-03-18 Kirill Yukhin <kirill.yukhin@intel.com>
5760 * config/i386/sse.md: Use vpbroadcastq for broadcasting DF
5761 values to 128b regs.
5763 2016-03-18 Ilya Enkovich <enkovich.gnu@gmail.com>
5765 PR tree-optimization/70252
5766 * tree-vect-stmts.c (supportable_widening_operation): Check resulting
5767 boolean vector has a proper number of elements.
5768 (supportable_narrowing_operation): Likewise.
5770 2016-03-18 Tom de Vries <tom@codesourcery.com>
5773 * cgraph.c (cgraph_node::get_body): Set dump_file to NULL after save.
5775 2016-03-18 Jakub Jelinek <jakub@redhat.com>
5777 * reload1.c (emit_input_reload_insns): Use simplify_replace_rtx
5778 instead of replace_rtx for DEBUG_INSNs.
5780 2016-03-18 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
5782 * config/i386/znver1.md : Fix latencies of FP/SSE/AVX
5783 load type reservations.
5785 2016-03-17 John David Anglin <danglin@gcc.gnu.org>
5788 * config/pa/constraints.md: Revert 2015-02-13 change. Use
5789 define_constraint for "Q" and "T" constraints.
5791 2016-03-17 Evandro Menezes <e.menezes@samsung.com>
5793 Tweak the pipeline model for Exynos M1
5795 * config/aarch64/aarch64.c (exynosm1_tunings): Enable weak prefetching
5798 2016-03-17 David Malcolm <dmalcolm@redhat.com>
5801 * diagnostic-show-locus.c (compatible_locations_p): Handle the case
5802 where one or both locations aren't within a line_map.
5804 2016-03-17 H.J. Lu <hongjiu.lu@intel.com>
5807 * opts.c (finish_options): Don't set flag_pie to the default if
5808 -fpic, -fPIC, -fno-pic or -fno-PIC is used. Set flag_pic to 0
5811 2016-03-17 Joern Rennecke <joern.rennecke@embecosm.com>
5813 * config/i386/i386.md (*movv4qicc_insn+1..36): Pass
5814 true as ALL_REGS argument to replace_rtx.
5816 2016-03-17 Richard Biener <rguenther@suse.de>
5819 * dwarf2out.c (dwarf2out_early_finish): Process deferred_asm_name
5822 2016-03-17 Jakub Jelinek <jakub@redhat.com>
5825 * rtl.h (replace_rtx): Add ALL_REGS argument.
5826 * rtlanal.c (replace_rtx): Likewise. If true, use REGNO
5827 equality and assert mode is the same, instead of just rtx pointer
5829 * config/i386/i386.md (mov + arithmetics with load peephole): Pass
5830 true as ALL_REGS argument to replace_rtx.
5832 2016-03-17 Ilya Enkovich <enkovich.gnu@gmail.com>
5834 * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Apply
5835 for boolean vector with vector mode only.
5836 (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
5838 2016-03-17 Nick Clifton <nickc@redhat.com>
5841 * config/rx/rx.c (rx_print_integer): Print negative constants in
5844 2016-03-17 Jakub Jelinek <jakub@redhat.com>
5847 * rtlanal.c (replace_rtx): Revert 2016-03-16 change.
5849 2016-03-16 Richard Henderson <rth@redhat.com>
5850 Richard Biener <rguenth@suse.de>
5855 * gimplify.c (gimplify_expr) [VEC_COND_EXPR]: Gimplify the
5856 first operand as is_gimple_condexpr.
5861 2015-12-11 Eric Botcazou <ebotcazou@adacore.com>
5862 * tree-vect-generic.c (tree_vec_extract): Remove GSI parameter.
5863 Do not gimplify the result.
5864 (do_unop): Adjust call to tree_vec_extract.
5865 (do_binop): Likewise.
5866 (do_compare): Likewise.
5867 (do_plus_minus): Likewise.
5868 (do_negate): Likewise.
5869 (expand_vector_condition): Likewise.
5870 (do_cond): Likewise.
5872 2016-03-16 Richard Henderson <rth@redhat.com>
5875 * config/aarch64/aarch64.c (virt_or_elim_regno_p): New.
5876 (aarch64_classify_address): Use it.
5877 (aarch64_legitimize_address): Force all subexpressions of PLUS
5878 into registers. Simplify as (sfp+const)+reg or (reg+reg)+const.
5880 2016-03-16 Jakub Jelinek <jakub@redhat.com>
5881 Richard Biener <rguenth@suse.de>
5884 * rtlanal.c (replace_rtx): For REG, if from is a REG,
5885 return to even if only REGNO is equal, and assert
5888 2016-03-11 Jeff Law <law@redhat.com>
5890 PR rtl-optimization/70224
5891 * reorg.c (relax_delay_slots): Pass right argument to CROSSING_JUMP_P.
5893 2016-03-16 Richard Henderson <rth@redhat.com>
5896 * function.h (struct function): Add has_forced_label_in_static.
5897 * gimplify.c (force_labels_r): Set it.
5898 * lto-streamer-in.c (input_struct_function_base): Read it.
5899 * lto-streamer-out.c (output_struct_function_base): Write it.
5900 * tree-inline.c (has_label_address_in_static_1): Remove.
5901 (copy_forbidden): Remove fndecl parameter; test
5902 has_forced_label_in_static.
5903 (inline_forbidden_p): Update call to copy_forbidden.
5904 (tree_versionable_function_p): Likewise.
5905 * ipa-chkp.c (chkp_instrumentable_p): Likewise.
5906 (chkp_versioning): Likewise.
5907 * tree-inline.h (copy_forbidden): Update decl.
5909 2016-03-16 Marek Polacek <polacek@redhat.com>
5912 * cgraphunit.c (cgraph_node::expand_thunk): Also build call to the
5913 function being thunked if the result type doesn't have fixed size.
5914 * gimplify.c (gimplify_modify_expr): Also set LHS if the result type
5915 doesn't have fixed size.
5917 2016-03-16 Bin Cheng <bin.cheng@arm.com>
5919 * tree-vect-loop.c (vect_analyze_loop_2): Fix wrong dump info by
5920 reporting malformed loop nest.
5922 2016-03-16 Tom de Vries <tom@codesourcery.com>
5925 * ipa-devirt.c (possible_polymorphic_call_targets): Move
5926 nodes.length () == 1 test to before first nodes[0] access.
5928 2016-03-16 Tom de Vries <tom@codesourcery.com>
5930 PR tree-optimization/68715
5931 * graphite-scop-detection.c (scop_detection::merge_sese): Add missing
5934 2016-03-16 Tom de Vries <tom@codesourcery.com>
5936 PR tree-optimization/68809
5937 * graphite-scop-detection.c (same_close_phi_node): Test if result types
5940 2016-03-16 Carlos O'Donell <carlos@redhat.com>
5941 Sandra Loosemore <sandra@codesourcery.com>
5943 * doc/extend.texi (Common Function Attributes): Describe ifunc impact
5944 on leaf attribute. Mention ELF interposition problems.
5946 2016-03-16 Alan Modra <amodra@gmail.com>
5948 PR rtl-optimization/69195
5949 PR rtl-optimization/47992
5950 * ira.c (indirect_jump_optimize): Ignore artificial defs.
5953 2016-03-15 Eric Botcazou <ebotcazou@adacore.com>
5956 * dwarf2out.c (flush_limbo_die_list): Really flush the limbo list.
5958 2016-03-15 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
5960 * config/avr/avr.md (rotl<mode>3): Set mode for operand 2.
5962 2016-03-15 Jakub Jelinek <jakub@redhat.com>
5964 PR rtl-optimization/70222
5965 * combine.c (simplify_shift_const_1): For A >> B >> C LSHIFTRT
5966 optimization if mode is different from result_mode, queue up masking
5967 of the result in outer_op. Formatting fix.
5970 * tree-ssa-sccvn.c (VN_INFO_GET): Use safe_grow_cleared instead
5973 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
5975 PR rtl-optimization/69032
5976 * sel-sched-ir.c (get_seqno_by_preds): Include both insn and head when
5977 looping backwards over basic block insns.
5979 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
5982 * sel-sched-ir.c (merge_expr): Avoid changing the speculative pattern
5983 to non-speculative when propagating trap bits.
5985 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
5987 PR rtl-optimization/63384
5988 * sel-sched.c (invoke_aftermath_hooks): Do not decrease issue_more on
5991 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
5994 * sched-deps.c (get_implicit_reg_pending_clobbers): New function,
5995 factored out from ...
5996 (sched_analyze_insn): ... here.
5997 * sched-int.h (get_implicit_reg_pending_clobbers): Declare it.
5998 * sel-sched-ir.c (setup_id_implicit_regs): New function, use
5999 get_implicit_reg_pending_clobbers in it.
6000 (setup_id_reg_sets): Use setup_id_implicit_regs.
6001 (deps_init_id): Ditto.
6003 2016-03-15 Tom de Vries <tom@codesourcery.com>
6006 * cgraph.c (cgraph_node::get_body): Save, reset and restore
6008 * passes.c (execute_one_ipa_transform_pass): Add missing argument to
6009 execute_function_dump.
6010 (execute_one_pass): Don't dump function if it will be dumped after ipa
6013 2016-03-15 Segher Boessenkool <segher@kernel.crashing.org>
6015 * genrecog.c (match_pattern_2): If pred is NULL don't call
6016 safe_predicate_mode on it.
6018 2016-03-14 Jakub Jelinek <jakub@redhat.com>
6021 * lra-constraints.c (delete_move_and_clobber): Change assertion
6022 to also allow dregno == 0.
6024 2016-03-14 Richard Henderson <rth@redhat.com>
6027 * tree-ssa-reassoc.c (ovce_extract_ops, optimize_vec_cond_expr): New.
6028 (can_reassociate_p): Allow ANY_INTEGRAL_TYPE_P.
6029 (reassociate_bb): Use optimize_vec_cond_expr; avoid
6030 optimize_range_tests, attempt_builtin_copysign and attempt_builtin_powi
6033 2016-03-14 Bernd Schmidt <bschmidt@redhat.com>
6036 * lra-lives.c (process_bb_lives): Also update biggest mode for hard
6038 (lra_create_live_ranges_1): initialize hard register biggest_mode to
6040 * lra-constraints.c (split_reg): For hard regs, try to find the
6041 biggest single-register mode used in the function.
6043 2016-03-14 Richard Biener <rguenther@suse.de>
6045 PR tree-optimization/56365
6046 * tree-ssa-phiopt.c (minmax_replacement): Handle alternate
6047 constants to compare against.
6049 2016-03-14 Segher Boessenkool <segher@kernel.crashing.org>
6052 * config/rs6000/rs6000.md (*ctr<mode>_internal1, *ctr<mode>_internal2,
6053 *ctr<mode>_internal5, *ctr<mode>_internal6): Also allow "d" as output.
6054 (define_split for the GPR case): Use int_reg_operand instead of
6055 gpc_reg_operand for the output.
6057 2016-03-14 Tom de Vries <tom@codesourcery.com>
6059 PR tree-optimization/70045
6060 * graphite-isl-ast-to-gimple.c (graphite_create_new_loop_guard): Unshare
6061 create_empty_if_region_on_edge argument.
6063 2016-03-13 Eric Botcazou <ebotcazou@adacore.com>
6065 * config/arm/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Define.
6066 (STACK_CHECK_PROTECT): Likewise.
6067 * config/i386/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
6068 (STACK_CHECK_PROTECT): Likewise.
6069 * config/rs6000/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
6070 (STACK_CHECK_PROTECT): Likewise.
6071 * config/rs6000/vxworksae.h (STACK_CHECK_PROTECT): Likewise.
6072 * config/sparc/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
6073 (STACK_CHECK_PROTECT): Likewise.
6075 2016-03-12 Andrey Belevantsev <abel@ispras.ru>
6077 PR rtl-optimization/69307
6078 * sel-sched.c (choose_best_pseudo_reg): Properly check for hard
6079 registers in modes that span more than one register.
6081 2016-03-12 Vladimir Makarov <vmakarov@redhat.com>
6084 * lra-constraints.c (delete_move_and_clobber): New.
6085 (remove_inheritance_pseudos): Use it.
6087 2016-03-12 Eric Botcazou <ebotcazou@adacore.com>
6090 * calls.c (emit_library_call_value_1): Clear the ECF_NOTHROW flag if
6091 the libcall is LCT_THROW.
6092 * explow.c (probe_stack_range): Pass LCT_THROW to emit_library_call
6093 for the checking routine.
6095 2016-03-11 Michael Meissner <meissner@linux.vnet.ibm.com>
6098 * config/rs6000/rs6000.md (round32<mode>2_fprs): Do not do the
6099 optimization if we have direct move.
6100 (roundu32<mode>2_fprs): Likewise.
6102 2016-03-11 Bernd Schmidt <bschmidt@redhat.com>
6105 * lra-remat.c (operand_to_remat): Disallow hard regs in the value t
6107 (reg_overlap_for_remat_p): Renamed from input_regno_present_p.
6108 Arguments swapped. All callers changed. Take reg_renumber into
6109 account, and Calculate and compare register ranges for hard regs.
6111 2016-03-11 Jeff Law <law@redhat.com>
6113 PR tree-optimization/70190
6114 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
6115 Handle cases where we can not extract the taken edge, even though we
6116 found a constant value.
6118 PR tree-optimization/64058
6119 * tree-ssa-coalesce.c (struct coalesce_pair): Add new field INDEX.
6120 (num_coalesce_pairs): Move up earlier in file.
6121 (find_coalesce_pair): Initialize the INDEX field for each pair
6123 (compare_pairs): No longer sort on the elements in each pair.
6124 Instead break ties with the index of the coalesce pair.
6126 2016-03-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
6129 * config/aarch64/aarch64-protos.h
6130 (aarch64_save_restore_target_globals): New prototype.
6131 * config/aarch64/aarch64-c.c (aarch64_pragma_target_parse):
6132 Call the above when popping pragma.
6133 * config/aarch64/aarch64.c (aarch64_save_restore_target_globals):
6135 (aarch64_set_current_function): Rewrite using the above.
6137 2016-03-11 Jakub Jelinek <jakub@redhat.com>
6139 PR tree-optimization/70177
6140 * gimple-expr.h (extract_ops_from_tree_1): Renamed to ...
6141 (extract_ops_from_tree): ... this. In the 2 argument
6142 overload remove _1 suffix.
6143 * gimple-expr.c (extract_ops_from_tree_1): Renamed to ...
6144 (extract_ops_from_tree): ... this.
6145 * gimple.c (gimple_build_assign, gimple_assign_set_rhs_from_tree):
6147 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
6148 * tree-ssa-forwprop.c (defcodefor_name): Call 3 operand
6149 extract_ops_from_tree instead of 2 operand one.
6151 2016-03-11 Alan Lawrence <alan.lawrence@arm.com>
6153 PR tree-optimization/70013
6154 * tree-sra.c (analyze_access_subtree): Also set grp_unscalarized_data
6155 for constant-pool entries.
6157 2016-03-11 Jakub Jelinek <jakub@redhat.com>
6159 PR rtl-optimization/70174
6160 * expmed.c (store_bit_field_using_insv): Use gen_lowpart_if_possible
6161 followed by gen_lowpart on force_reg instead of just gen_lowpart.
6163 PR tree-optimization/70169
6164 * tree-ssa-loop.c (gen_lsm_tmp_name): Handle FUNCTION_DECL and
6165 LABEL_DECL like VAR_DECL. Emit nothing instead of gcc_unreachable
6168 2016-03-11 Ilya Enkovich <enkovich.gnu@gmail.com>
6169 Jakub Jelinek <jakub@redhat.com>
6172 * config/i386/i386.c (scalar_chain::convert_reg): Skip uses
6173 of uninitialized values.
6175 2016-03-11 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
6177 * config/s390/s390.md ("trunctddd2"): Turn former define_insn into
6179 ("*trunctddd2"): New pattern definition.
6180 ("trunctdsd2"): Set prep_for_short_prec rounding mode for the
6183 2016-03-11 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
6185 * config/s390/s390.md (BFP_RND_*, DFP_RND_*): Add new constant
6186 definitions for BFP and DFP rounding modes.
6187 ("fixuns_truncdddi2", "fixuns_trunctddi2")
6188 ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2")
6189 ("fix_trunc<DSF:mode><GPR:mode>2", "fix_trunc<mode>di2")
6190 ("fix_trunctf<mode>2"): Use the new constants instead of magic
6193 2016-03-11 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
6195 * config/s390/constraints.md: Adjust comment.
6196 ("Y"): Adjust comment. Rename s390_decompose_shift_count to
6197 s390_decompose_addrstyle_without_index.
6198 * config/s390/predicates.md (shift_count_or_setmem_operand):
6199 Rename to setmem_operand.
6200 * config/s390/s390-protos.h
6201 (s390_decompose_shift_count): Rename to
6202 s390_decompose_addrstyle_without_index.
6203 * config/s390/s390.c (s390_decompose_shift_count)
6204 (s390_mem_constraint, print_shift_count_operand)
6205 (print_operand_address, print_operand): Rename
6206 s390_decompose_shift_count to
6207 s390_decompose_addrstyle_without_index and rename
6208 print_shift_count_operand to print_addrstyle_operand troughout the
6210 * config/s390/s390.md ("setmem_long_<P:mode>", "*setmem_long")
6211 ("*setmem_long_and", "*setmem_long_31z", "*setmem_long_and_31z"):
6212 Rename shift_count_or_setmem_operand to setmem_operand.
6213 * config/s390/vx-builtins.md ("vec_insert<mode>")
6214 ("vec_promote<mode>"): Replace shift_count_or_setmem_operand with
6217 2016-03-10 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
6220 * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
6221 Handle overlapping retval and newval.
6223 2016-03-10 Nick Clifton <nickc@redhat.com>
6226 * config/aarch64/aarch64.c
6227 (aarch64_override_options_after_change_1): When forcing
6228 flag_omit_frame_pointer to be true, use a special value that can
6229 be detected if this function is called again, thus preventing
6230 flag_omit_leaf_frame_pointer from being forced to be false.
6232 2016-03-10 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
6234 * common/config/aarch64/aarch64-common.c (aarch64_handle_option):
6235 Set x_flag_omit_leaf_frame_pointer when handling
6236 -momit-leaf-frame-pointer.
6238 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
6241 * cgraph.c (cgraph_node::dump): Dump split_part and
6242 indirect_call_target.
6243 * cgraph.h (cgraph_node): Add indirect_call_target flag.
6244 * ipa.c (has_addr_references_p): Cleanup.
6245 (is_indirect_call_target_p): New.
6246 (walk_polymorphic_call_targets): Do not mark virtuals that may be
6247 called indirectly as local.
6248 (symbol_table::remove_unreachable_nodes): Compute indirect_call_target.
6250 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
6253 * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
6254 on cxa_pure_virtual.
6256 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
6259 * tree.c (free_lang_data_in_decl): Clear visibility of TYPE_DECL.
6261 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
6264 * tree.c (need_assembler_name_p): Only record main variant type names.
6266 2016-03-10 Christophe Lyon <christophe.lyon@linaro.org>
6269 * config/aarch64/aarch64.h (TARGET_FIX_ERR_A53_843419_DEFAULT):
6270 Always define to 0 or 1.
6271 (TARGET_FIX_ERR_A53_843419): New macro.
6272 * config/aarch64/aarch64-elf-raw.h
6273 (TARGET_FIX_ERR_A53_843419_DEFAULT): Update for above changes.
6274 * config/aarch64/aarch64-linux.h: Likewise.
6275 * config/aarch64/aarch64.c
6276 (aarch64_override_options_after_change_1): Do not default
6277 aarch64_nopcrelative_literal_loads to true if Cortex-A53 erratum
6279 (aarch64_attributes): Handle fix-cortex-a53-843419.
6280 (aarch64_can_inline_p): Likewise.
6281 * config/aarch64/aarch64.opt (aarch64_fix_a53_err843419): Save.
6283 2016-03-10 Alan Lawrence <alan.lawrence@arm.com>
6284 Jakub Jelinek <jakub@redhat.com>
6286 * common.opt (funconstrained-commons, flag_unconstrained_commons): New.
6287 * tree.c (array_at_struct_end_p): Do not limit to size of decl for
6288 DECL_COMMONS if flag_unconstrained_commons is set.
6289 * tree-dfa.c (get_ref_base_and_extent): Likewise.
6290 * doc/invoke.texi (Optimize Options): Add -funconstrained-commons.
6291 (funconstrained-commons): Document.
6293 2016-03-10 Christophe Lyon <christophe.lyon@linaro.org>
6295 * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add
6296 aarch64-fusion-pairs.def and aarch64-tuning-flags.def
6298 2016-03-10 Ilya Enkovich <enkovich.gnu@gmail.com>
6300 * tree-vect-stmts.c (vectorizable_mask_load_store): Check mask
6301 has a proper number of elements.
6303 2016-03-10 Alan Modra <amodra@gmail.com>
6305 PR rtl-optimization/69195
6306 PR rtl-optimization/47992
6307 * ira.c (recorded_label_ref): Delete.
6308 (update_equiv_regs): Return void.
6309 (indirect_jump_optimize): New function.
6310 (ira): Call indirect_jump_optimize and delete_trivially_dead_insns
6311 before regstat_compute_ri. Don't rebuild_jump_labels here.
6312 Delete update_regstat.
6314 2016-03-10 Richard Biener <rguenther@suse.de>
6316 PR tree-optimization/70128
6317 * tree-ssa-structalias.c (set_uids_in_ptset): Set
6318 vars_contains_nonlocal for any FUNCTION_DECL or LABEL_DECL.
6320 2016-03-09 Jakub Jelinek <jakub@redhat.com>
6322 PR tree-optimization/70152
6323 * tree-sra.c (replace_removed_params_ssa_names): Copy over
6324 SSA_NAME_OCCURS_IN_ABNORMAL_PHI from old_name to new_name.
6327 * config/i386/i386.md (truncdfsf2 splitter): Use gen_vec_concatv2df
6328 instead of gen_sse2_loadlpd.
6329 * config/i386/sse.md (*vec_concatv2df): Rename to...
6330 (vec_concatv2df): ... this.
6332 PR tree-optimization/70127
6333 * fold-const.c (operand_equal_p): Revert the 2015-10-28 change.
6335 2016-03-09 David Malcolm <dmalcolm@redhat.com>
6339 * diagnostic-show-locus.c (compatible_locations_p): New function.
6340 (layout::layout): Sanitize ranges using compatible_locations_p.
6342 2016-03-09 David Malcolm <dmalcolm@redhat.com>
6346 * diagnostic-show-locus.c (layout_range::layout_range): Replace
6347 location_range param with three const expanded_locations * and a
6349 (layout::layout): Replace call to
6350 rich_location::lazily_expand_location with get_expanded_location.
6351 Extract the range and perform location expansion here, passing
6352 the results to the layout_range ctor.
6353 * diagnostic.c (source_range::debug): Delete.
6354 * diagnostic.h (diagnostic_expand_location): Reimplement in terms
6355 of rich_location::get_expanded_location.
6356 * gcc-rich-location.c (get_range_for_expr): Delete.
6357 (gcc_rich_location::add_expr): Reimplement to avoid the
6358 rich_location::add_range overload that took a location_range,
6359 passing a location_t instead.
6361 2016-03-09 Richard Biener <rguenther@suse.de>
6362 Jakub Jelinek <jakub@redhat.com>
6364 PR tree-optimization/70138
6365 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
6366 Also skip vect_double_reduction_def.
6368 2016-03-09 Jakub Jelinek <jakub@redhat.com>
6371 * config/i386/sse.md (*vec_extract<mode>): Use %0 instead of %k0
6372 if the operand is "m".
6374 2016-03-09 Nathan Sidwell <nathan@acm.org>
6376 * config/nvptx/nvptx.c (nvptx_option_override): Don't kill debug level.
6378 2016-03-09 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
6380 * config/i386/i386.c (processor_target_table): Fix cost table
6381 intialization order for znver1.
6383 2016-03-08 Jakub Jelinek <jakub@redhat.com>
6385 * ipa-polymorphic-call.c (walk_ssa_copies): Fix spelling
6386 - becuase -> because.
6387 * ipa-reference.c (ignore_module_statics): Likewise.
6388 * cgraph.c (cgraph_node::get_body): Likewise.
6389 * ipa-inline.c (early_inliner): Likewise.
6390 * ipa-devirt.c (types_same_for_odr): Likewise.
6391 * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
6392 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Likewise.
6394 2016-03-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
6396 * tree-ssa-math-opts.c: Fix typo in comment.
6398 2016-03-08 Jakub Jelinek <jakub@redhat.com>
6401 * config/i386/i386.c (scalar_chain::make_vector_copies,
6402 scalar_chain::convert_reg): Call end_sequence in between
6403 get_insns and emit_conversion_insns rather than after both
6406 2016-03-07 Uros Bizjak <ubizjak@gmail.com>
6409 * config/i386/i386.h (machine_function): Add
6410 pc_thunk_call_expanded flag.
6411 (ix86_pc_thunk_call_expanded): New define.
6412 * config/i386/i386.md (set_got, set_got_labelled): New expanders.
6413 (*set_got): Rename insn pattern from set_got.
6414 (*set_got_labelled): Rename inst pattern from set_got_labelled.
6415 * config/i386/i386.c (ix86_compute_frame_layout): Use
6416 ix86_pc_thunk_call_expanded to prevent red-zone.
6418 2016-03-07 Martin Jambor <mjambor@suse.cz>
6420 * hsa.h (hsa_get_ctor_statements): Declare.
6421 (hsa_get_dtor_statements): Likewise.
6422 (hsa_get_kernel_dispatch_type): Likewise.
6423 * hsa.c (hsa_get_ctor_statements): New function.
6424 (hsa_get_dtor_statements): Likewise.
6425 (hsa_get_kernel_dispatch_type): Likewise.
6426 * hsa-brig.c (hsa_cdtor_statements): Removed.
6427 (hsa_output_libgomp_mapping): Use hsa_get_ctor_statements and
6428 hsa_get_dtor_statements.
6429 * hsa-gen.c (hsa_kernel_dispatch_type): Removed.
6430 (get_hsa_kernel_dispatch_offset): Use hsa_get_kernel_dispatch_type.
6432 2016-03-07 Andre Vieira <andre.simoesdiasvieira@arm.com>
6434 * config/arm/arm-cores.def (cortex-r8): New.
6435 * config/arm/arm-tables.opt (cortex-r8): Regenerate.
6436 * config/arm/arm-tune.md: Likewise.
6437 * gcc/doc/invoke.texi: Add cortex-r8 to list of cpu values.
6439 2016-03-07 Martin Sebor <msebor@redhat.com>
6441 PR rtl-optimization/19705
6442 * doc/invoke.texi (Options That Control Optimization): Clarify
6443 -fno-branch-count-reg.
6445 2016-02-26 Richard Biener <rguenther@suse.de>
6446 Jeff Law <law@redhat.com>
6448 PR tree-optimization/69740
6449 * cfghooks.c (remove_edge): Request loop fixups if we delete
6450 an edge that might turn an irreducible loop into a natural
6452 * cfgloop.h (check_verify_loop_structure): Clear LOOPS_NEED_FIXUP.
6453 Move after definition of loops_state_clear.
6455 2016-03-07 Bin Cheng <bin.cheng@arm.com>
6457 PR rtl-optimization/69052
6458 * rtlanal.c (commutative_operand_precedence): Set higher precedence
6461 2016-03-07 Tom de Vries <tom@codesourcery.com>
6463 PR tree-optimization/70116
6464 * tree-ssa-tail-merge.c (merge_stmts_p): New function, handling
6465 is_tm_ending stmts and ubsan/asan internal functions.
6466 (find_duplicate): Use it. Don't test is_tm_ending here.
6468 2016-03-07 Richard Biener <rguenther@suse.de>
6470 PR tree-optimization/70115
6471 * tree-ssa-loop-ivcanon.c (propagate_into_all_uses): Remove.
6472 (propagate_constants_for_unrolling): Use replace_uses_by.
6474 2016-03-07 Nathan Sidwell <nathan@codesourcery.com>
6477 * omp-low.c (struct oacc_loop): Add ifns.
6478 (new_oacc_loop_raw): Initialize it.
6479 (finish_oacc_loop): Clear mask & flags if no ifns.
6480 (oacc_loop_discover_walk): Count IFN_GOACC_LOOP calls.
6481 (oacc_loop_xform_loop): Add ifns arg & adjust.
6482 (oacc_loop_process): Adjust oacc_loop_xform_loop call.
6484 2016-03-07 Richard Henderson <rth@redhat.com>
6487 * tree-outofssa.c (emit_partition_copy): Flush pending stack adjust.
6488 (insert_value_copy_on_edge): Likewise.
6490 2016-03-07 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
6492 * config/arm/arm_neon.h: Show error if using with soft-float ABI.
6494 2016-03-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6497 * config/i386/sol2.h (STACK_REALIGN_DEFAULT): Define.
6499 2016-03-05 Venkataramanan Kumar <Venkataramanan.kumar@amd.com>
6501 * config/i386/i386.c (znver1_cost): Fix Multiply cost.
6503 2016-03-05 Venkataramanan Kumar <Venkataramanan.kumar@amd.com>
6505 Fix sseimul type attribute.
6506 * config/i386/znver1.md
6507 (znver1_sseimul, znver1_sseimul_avx256, znver1_sseimul_load,
6508 znver1_sseimul_avx256_load) : Fix the type attribute.
6509 (znver1_sseimul_di, znver1_sseimul_load_di): Fix type attribute,
6510 pipe usage and latency.
6512 2016-03-05 Jakub Jelinek <jakub@redhat.com>
6515 * tree-inline.c (copy_tree_body_r): When cancelling ADDR_EXPR
6516 of INDIRECT_REF and ADDR_EXPR changed type, fold_convert it
6519 2016-03-04 Bernd Schmidt <bschmidt@redhat.com>
6522 * targhooks.c (default_vector_alignment): Limit to MAX_OFILE_ALIGNMENT.
6524 PR rtl-optimization/69941
6525 * postreload.c (reload_combine_recognize_pattern): Ensure all uses of
6526 the reg share its mode.
6528 2016-03-04 Jeff Law <law@redhat.com>
6530 PR tree-optimization/69196
6531 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
6532 If the both SSA_NAMEs are anonymous, then consider them unassociated
6533 and include the PHI in the statement count.
6535 2016-03-05 Tom de Vries <tom@codesourcery.com>
6537 * omp-low.c (check_omp_nesting_restrictions): Check for non-oacc
6538 construct in oacc routine. Check for oacc region in oacc routine.
6540 2016-03-04 Jakub Jelinek <jakub@redhat.com>
6543 * config/i386/i386.c (decide_alg): Add RECUR argument. Revert
6544 2016-02-22 changes, instead don't recurse if RECUR is already true.
6545 Don't change *dynamic_check if RECUR. Adjust recursive caller
6546 to pass true to the new argument.
6547 (ix86_expand_set_or_movmem): Adjust decide_alg caller.
6550 * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
6551 <extract_type_2>_vinsert<shuffletype><extract_suf_2>_mask): Formatting
6553 (vec_set_hi_<mode><mask_name>): Likewise. Swap VEC_CONCAT operands.
6555 2016-03-04 Bernd Schmidt <bschmidt@redhat.com>
6557 PR rtl-optimization/57676
6558 * lra-assigns.c (lra_assign): Guard test for maximum iterations
6561 2016-03-04 Ilya Enkovich <enkovich.gnu@gmail.com>
6563 * tree-vect-patterns.c (search_type_for_mask): Handle
6564 comparison of booleans.
6566 2016-03-04 Jakub Jelinek <jakub@redhat.com>
6568 * doc/extend.texi (__builtin_alloca, __builtin_alloca_with_align):
6572 * dwarf2out.c (prune_unused_types_walk_loc_descr): Handle
6573 all other ops that have dw_val_class_die_ref operands,
6574 and DW_OP_GNU_entry_value.
6576 2016-03-03 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
6578 PR rtl-optimization/69904
6579 * config/arm/arm.c (arm_cannot_copy_insn_p):
6580 Return true for load-exclusive instructions.
6582 2016-03-03 Jakub Jelinek <jakub@redhat.com>
6585 * tree-vect-stmts.c (vect_mark_relevant): Remove USED_IN_PATTERN
6586 argument, if STMT_VINFO_IN_PATTERN_P (stmt_info), always mark
6587 the pattern no matter if it is used just by non-pattern, pattern
6589 (process_use, vect_mark_stmts_to_be_vectorized): Adjust callers.
6590 * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
6591 oprnd1 def_stmt is in pattern, don't look through it.
6593 2016-03-03 Marek Polacek <polacek@redhat.com>
6596 * match.pd (X % -Y): Add INTEGRAL_TYPE_P check.
6598 2016-03-03 Martin Liska <mliska@suse.cz>
6600 PR tree-optimization/70043
6601 * tree-vect-loop.c (optimize_mask_stores): Move iterator to
6602 previous statement if we see a debug statement.
6604 2016-03-03 Richard Biener <rguenther@suse.de>
6606 PR tree-optimization/55936
6607 * tree-vrp.c (compare_name_with_value): Add use_equiv_p
6608 parameter and guard unsafe equivalence use.
6609 (vrp_evaluate_conditional_warnv_with_ops): Always use
6610 safe equivalences but not via the quadratic compare_names
6613 2016-03-03 Michael Collison <michael.collison@linaro.org>
6616 * config/arm/arm.md (*subsi3_carryin_const): Change predicate
6617 for operand 1 to s_register_operand. Change predicate for operand
6618 2 to arm_not_immediate_operand.
6620 2016-03-02 H.J. Lu <hongjiu.lu@intel.com>
6622 * doc/tm.texi: Regenerated.
6624 2016-03-02 Richard Henderson <rth@redhat.com>
6627 * simplify-rtx.c (simplify_plus_minus): Allow reassoc without
6628 simplification when all args are positive non-fixed registers.
6630 2016-03-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6632 * target.def (lra_p): Specify that new ports should use LRA.
6634 2016-03-02 Jakub Jelinek <jakub@redhat.com>
6637 * gimplify.c (gimplify_decl_expr): For decls with REFERENCE_TYPE, also
6638 gimplify_type_sizes the type they refer to.
6639 (omp_notice_variable): Handle reference vars to VLAs.
6640 * omp-low.c (lower_omp_target): Emit setup of OMP_CLAUSE_PRIVATE
6641 reference to VLA decls in the second pass instead of first pass.
6643 2016-03-02 Tom de Vries <tom@codesourcery.com>
6645 PR tree-optimization/68659
6646 * graphite-isl-ast-to-gimple.c (collect_all_ssa_names): Handle
6647 new_expr == NULL_TREE.
6648 (get_new_name): Handle ADDR_EXPR.
6650 2016-03-02 Bin Cheng <bin.cheng@arm.com>
6652 PR rtl-optimization/69052
6653 * loop-invariant.c (canonicalize_address): New function.
6654 (inv_can_prop_to_addr_use): Check validity of address expression
6655 which is canonicalized by above function.
6657 2016-03-02 Alan Modra <amodra@gmail.com>
6660 * ipa-icf.c (sem_variable::merge): Do not merge an alias with
6663 2016-03-02 Jakub Jelinek <jakub@redhat.com>
6666 * config/i386/i386.md (kmovw): Move m constraint to 2nd alternative.
6667 (*movhi_internal): Put mask moves from and to memory separately
6668 from moves from/to GPRs.
6670 2016-03-02 Richard Biener <rguenther@suse.de>
6672 * genmatch.c (dt_node::gen_kids): Fix match code-gen for embedded
6673 GENERIC expressions in GIMPLE.
6675 2016-03-02 Richard Biener <rguenther@suse.de>
6677 * config/i386/i386.c (type_natural_mode): Fix typo.
6679 2016-03-02 Nick Clifton <nickc@redhat.com>
6681 * config.gcc (mep-*-elf): Add newlib-stdint.h to tm_file.
6683 2016-03-02 Richard Biener <rguenther@suse.de>
6684 Uros Bizjak <ubizjak@gmail.com>
6687 * config/i386/i386.c (type_natural_mode): Handle XFmode vectors.
6689 2016-03-02 Richard Biener <rguenther@suse.de>
6692 * tree-cfg.c (verify_expr): Adjust BIT_FIELD_REF case.
6694 2016-03-02 Marek Polacek <polacek@redhat.com>
6697 * gimplify.c (gimplify_va_arg_expr): Use expanded location for the
6698 "is promoted to" warning.
6700 2016-03-01 DJ Delorie <dj@redhat.com>
6702 * config.gcc: Deprecate mep-*.
6704 2016-03-01 Vladimir Makarov <vmakarov@redhat.com>
6707 * lra-constraints.c (regno_val_use_in): New.
6708 (match_reload): Use it instead of regno_use_in.
6710 2016-03-01 Eric Botcazou <ebotcazou@adacore.com>
6712 PR rtl-optimization/70007
6713 * gcse.c (compute_ld_motion_mems): Tidy up and also invalidate memory
6714 references present in REG_EQUAL notes attached to non-SET patterns.
6716 2016-03-01 Jeff Law <law@redhat.com>
6718 PR tree-optimization/69196
6719 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
6720 Appropriately clamp the number of statements to copy when the
6721 thread path does not traverse a loop backedge.
6723 PR tree-optimization/69196
6724 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
6725 Do count some PHIs in the thread path against the insn count. Decrease
6726 final statement count by one as the control statement in the last
6727 block will get removed. Remove special cased code for handling PHIs
6730 2016-03-01 Uros Bizjak <ubizjak@gmail.com>
6733 * config/i386/i386.c (ix86_output_call_insn): Add -masm=intel
6734 asm dialect alternatives to explicit GOTPCREL calls.
6736 2016-03-01 Eric Botcazou <ebotcazou@adacore.com>
6739 * ira.c (do_reload): Issue warning for generic stack checking here...
6740 * reload1.c (reload): ...instead of here and streamline it.
6742 2016-03-01 Nick Clifton <nickc@redhat.com>
6744 * config.gcc (cr16-*-elf): Add newlib-stdint.h to tm_file.
6746 2016-03-01 Richard Biener <rguenther@suse.de>
6748 PR tree-optimization/69983
6749 * tree-chrec.c (eq_evolutions_p): Handle conversions, compare
6750 types and fall back to operand_equal_p.
6752 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
6755 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
6757 * config/s390/constraints.md ("jm8"): New constraint.
6758 * config/s390/predicates.md ("const_int_8bitset_operand"): New
6760 * config/s390/s390.md ("*setmem_long", "*setmem_long_and"): Merge
6762 ("*setmem_long<setmem_and>"): New pattern.
6763 ("*setmem_long_31z", "*setmem_long_and_31z"): Merge
6765 ("*setmem_long_31z<setmem_and>"): New pattern.
6766 * config/s390/subst.md ("setmem_31z_subst", "setmem_and_subst"):
6767 New substitution rules with the required attributes.
6770 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
6773 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
6775 * gensupport.c (process_substs_on_one_elem): Split loop to
6776 complete mark_operands_used_in_match_dup on all expressions in the
6778 (adjust_operands_numbers): Inline into process_substs_on_one_elem
6779 and remove function.
6781 2016-03-01 Richard Biener <rguenther@suse.de>
6784 * fold-const.c (fold_indirect_ref_1): Fix range checking for
6785 vector BIT_FIELD_REF extract.
6787 2016-03-01 Richard Biener <rguenther@suse.de>
6789 PR tree-optimization/69994
6790 * tree-ssa-reassoc.c (ops_equal_values_p): Handle missing case.
6792 2016-03-01 Ilya Enkovich <enkovich.gnu@gmail.com>
6794 PR tree-optimization/69956
6795 * tree-vect-stmts.c (supportable_widening_operation): Support
6796 multi-step conversion of boolean vectors.
6797 (supportable_narrowing_operation): Likewise.
6799 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
6801 * config/s390/s390.c (s390_decompose_address): Don't accept SImode
6804 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
6806 * config/s390/subst.md (DSI_VI): New mode iterator.
6807 ("addr_style_op_subst"): Use DSI_VI instead of DSI.
6808 * config/s390/vector.md ("vec_set<mode>"): Move expander before
6809 the insn definition.
6810 ("*vec_set<mode>"): Change predicate and add alternative to
6811 support only either register or const_int operands as element
6813 ("*vec_set<mode>_plus"): New pattern to support reg + const_int
6815 ("vec_extract<mode>"): New expander.
6816 ("*vec_extract<mode>"): New insn definition supporting reg and
6817 const_int element selectors.
6818 ("*vec_extract<mode>_plus"): New insn definition supporting
6819 reg+const_int element selectors.
6820 ("rotl<mode>3", "ashl<mode>3", "ashr<mode>3"): Merge into the
6821 following expander+insn definition.
6822 ("<vec_shifts_name><mode>3"): New expander.
6823 ("*<vec_shifts_name><mode>3<addr_style_op>"): New insn definition.
6825 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
6827 * config/s390/s390.md ("*tabort_1"): Change predicate to
6828 nonmemory_operand. Add a second alternative to cover
6829 register as well as const int operands.
6830 ("*tabort_1_plus"): New pattern definition.
6832 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
6834 * config/s390/s390.md ("*ashrdi3_cc_31")
6835 ("*ashrdi3_cconly_31""*ashrdi3_cc_31_and")
6836 ("*ashrdi3_cconly_31_and", "*ashrdi3_31_and", "*ashrdi3_31"):
6837 Merge insn definitions into ...
6838 ("*ashrdi3_31<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
6839 New pattern definition.
6840 ("*ashr<mode>3_cc", "*ashr<mode>3_cconly", "ashr<mode>3", )
6841 ("*ashr<mode>3_cc_and", "*ashr<mode>3_cconly_and")
6842 ("*ashr<mode>3_and"): Merge insn definitions into ...
6843 ("*ashr<mode>3<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
6844 New pattern definition.
6845 * config/s390/subst.md ("addr_style_op_cc_subst")
6846 ("masked_op_cc_subst", "setcc_subst", "cconly_subst"): New
6847 substitutions patterns plus attributes.
6848 Add ashiftrt to SUBST iterator.
6850 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
6852 * config/s390/s390.md ("<shift><mode>3"): Change predicate of
6853 op2 to nonmemory_operand.
6854 ("*<shift>di3_31", "*<shift>di3_31_and"):
6855 Merge into single pattern definition ...
6856 ("*<shift>di3_31<addr_style_op><masked_op>"): New pattern.
6857 ("*<shift><mode>3", "*<shift><mode>3_and"): Merge into single
6858 pattern definition ...
6859 ("*<shift><mode>3<addr_style_op><masked_op>"): New pattern.
6860 * config/s390/subst.md: Add ashift and lshiftrt to SUBST
6863 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
6865 * config/s390/predicates.md (const_int_6bitset_operand): New
6867 * config/s390/s390.md: Include subst.md.
6868 ("rotl<mode>3"): New expander.
6869 ("rotl<mode>3", "*rotl<mode>3_and"): Merge insn definitions into
6871 ("*rotl<mode>3<addr_style_op><masked_op>"): New insn definition.
6872 * config/s390/subst.md: New file.
6874 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
6876 * config/s390/s390.md ("op_type", "atype", "length" attributes):
6877 Remove RRR type. It doesn't really exist.
6878 ("RRer", "f0", "v0", "vf", "vd", "op1", "Rf"): Remove mode
6880 ("BFP", "DFP", "nDSF", "nDFDI"): Add mode attributes.
6881 ("*cmp<mode>_ccs", "floatdi<mode>2", "add<mode>3")
6882 ("*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3")
6883 ("*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3")
6884 ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2")
6885 ("*abs<mode>2", "*negabs<mode>2", "sqrt<mode>2"): Override
6886 `enabled' attribute.
6888 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
6890 * gensupport.c (process_substs_on_one_elem): Split loop to
6891 complete mark_operands_used_in_match_dup on all expressions in the
6893 (adjust_operands_numbers): Inline into process_substs_on_one_elem
6894 and remove function.
6896 2016-02-29 Eric Botcazou <ebotcazou@adacore.com>
6899 * config/sparc/sparc.c (NWORDS_UP): Rename to...
6900 (CEIL_NWORDS): ...this. Use CEIL macro.
6901 (compute_fp_layout): Adjust to above renaming.
6902 (function_arg_union_value): Likewise.
6903 (sparc_arg_partial_bytes): Likewise.
6904 (sparc_function_arg_advance): Likewise.
6906 2016-02-29 Jeff Law <law@redhat.com>
6908 PR tree-optimization/70005
6909 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Handle case
6910 where an object with a boolean range is compared against a value
6913 PR tree-optimization/69999
6914 * gimple-ssa-split-paths.c (split_paths): When duplicating a block
6915 with an outgoing edge marked with EDGE_IRREDUCIBLE_LOOP, schedule
6918 2016-02-29 Richard Biener <rguenther@suse.de>
6920 PR tree-optimization/69994
6921 * tree-ssa-reassoc.c (gimple_nop_conversion_p): New function.
6922 (get_unary_op): Look through nop conversions.
6923 (ops_equal_values_p): New function, look for equality diregarding
6925 (eliminate_plus_minus_pair): Use ops_equal_values_p
6926 (repropagate_negates): Do not use get_unary_op here.
6928 2016-02-29 Martin Liska <mliska@suse.cz>
6930 * system.h: Poison ENABLE_CHECKING macro.
6932 2016-02-29 Martin Liska <mliska@suse.cz>
6934 * hsa-gen.c (gen_body_from_gimple): Dump only if TDF_DETAILS
6935 is presented in dump flags.
6936 * hsa-regalloc.c (linear_scan_regalloc): Likewise.
6937 (hsa_regalloc): Likewise.
6939 2016-02-19 Richard Biener <rguenther@suse.de>
6941 PR tree-optimization/69980
6942 * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Update
6943 permutation of those we need to keep.
6945 2016-02-29 Eric Botcazou <ebotcazou@adacore.com>
6948 * config/sparc/sparc.c (ROUND_ADVANCE): Rename to...
6949 (NWORDS_UP): ...this
6950 (init_cumulative_args): Minor tweaks.
6951 (sparc_promote_function_mode): Likewise.
6952 (scan_record_type): Delete.
6953 (traverse_record_type): New function template.
6954 (classify_data_t): New structure type.
6955 (classify_registers): New inline function.
6956 (function_arg_slotno): In 64-bit mode, bail out early if FP slots are
6957 exhausted. Instantiate traverse_record_type on classify_registers and
6958 deal with the case of a structure passed in slot #15 with no FP field
6960 (assign_data_t): New structure type.
6961 (compute_int_layout): New static function.
6962 (compute_fp_layout): Likewise.
6963 (count_registers): New inline function.
6964 (assign_int_registers): New static function.
6965 (assign_fp_registers): Likewise.
6966 (assign_registers): New inline function.
6967 (function_arg_record_value_1): Delete.
6968 (function_arg_record_value_2): Likewise.
6969 (function_arg_record_value_3): Likewise.
6970 (function_arg_record_value): Adjust to above changes. Instantiate
6971 traverse_record_type on count_registers to first count the number of
6972 registers to be used and then on assign_registers to assign them.
6973 (function_arg_union_value): Adjust to above renaming.
6974 (sparc_function_arg_1); Minor tweaks. Remove commented out code.
6975 (sparc_arg_partial_bytes): Adjust to above renaming. Deal with the
6976 case of a structure passed in slot #15
6977 (sparc_function_arg_advance): Likewise.
6978 (function_arg_padding): Minor tweak.
6980 2016-02-29 Richard Biener <rguenther@suse.de>
6982 PR tree-optimization/69720
6983 * tree-vect-loop.c (get_initial_def_for_reduction): Avoid
6984 the adjustment_def path for possibly vectorized defs.
6985 (vect_create_epilog_for_reduction): Handle vectorized initial
6988 2016-02-28 Eric Botcazou <ebotcazou@adacore.com>
6990 * config/i386/cygming.h (STACK_REALIGN_DEFAULT): Define.
6992 2016-02-27 Jeff Law <law@redhat.com>
6995 2016-02-26 Richard Biener <rguenther@suse.de>
6996 Jeff Law <law@redhat.com>
6998 PR tree-optimization/69740
6999 * cfghooks.c (remove_edge): Request loop fixups if we delete
7000 an edge that might turn an irreducible loop into a natural
7003 2016-02-27 Jakub Jelinek <jakub@redhat.com>
7005 PR rtl-optimization/69896
7006 * tree-vect-generic.c (get_compute_type): Avoid single element
7009 2016-02-26 Evandro Menezes <e.menezes@samsung.com>
7011 Rename the AArch64 tuning option and related functions to enable the
7012 Newton series for the reciprocal square root to reflect its
7013 approximative characteristic.
7015 * config/aarch64/aarch64-protos.h (aarch64_emit_swrsqrt): Rename
7016 function to "aarch64_emit_approx_rsqrt".
7017 * config/aarch64/aarch64-tuning-flags.def: Rename tuning flag to
7018 AARCH64_EXTRA_TUNE_APPROX_RSQRT.
7019 * config/aarch64/aarch64.c (exynosm1_tunigs): Use new flag name.
7020 (xgene1_tunings): Likewise.
7021 (use_rsqrt_p): Likewise.
7022 (aarch64_emit_swrsqrt): Use new function name.
7023 * config/aarch64/aarch64-simd.md (aarch64_rsqrts_*): Likewise.
7024 * config/aarch64/aarch64.opt (mlow-precision-recip-sqrt): Reword the
7025 text explaining this option.
7026 * doc/invoke.texi (-mlow-precision-recip-sqrt): Likewise.
7028 2016-02-26 Jakub Jelinek <jakub@redhat.com>
7031 * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
7032 complain about -mallow-movmisalign without -mvsx if
7033 TARGET_ALLOW_MOVMISALIGN was not set explicitly.
7035 2016-02-26 Joel Sherrill <joel@rtems.org>
7037 * config.gcc: Add x86_64-*-rtems*.
7038 * gcc/config/i386/rtems-64.h: New file.
7040 2016-02-26 Joel Sherrill <joel@rtems.org>
7042 * config.gcc: Add aarch64-*-rtems*.
7043 * gcc/config/aarch64/rtems.h: New file.
7045 2016-02-26 Segher Boessenkool <segher@kernel.crashing.org>
7048 * config/rs6000/rs6000.c (rs6000_insn_for_shift_mask): Print rlwinm
7049 shift amount using %h. Add comment.
7051 2016-02-26 Richard Biener <rguenther@suse.de>
7052 Jeff Law <law@redhat.com>
7054 PR tree-optimization/69740
7055 * cfghooks.c (remove_edge): Request loop fixups if we delete
7056 an edge that might turn an irreducible loop into a natural
7059 2016-02-26 Martin Jambor <mjambor@suse.cz>
7062 * tree-sra.c (sra_modify_assign): Do not remove loads of
7063 uninitialized aggregates to SSA_NAMEs.
7065 2016-02-26 Richard Henderson <rth@redhat.com>
7068 * config/s390/s390.md (risbg and risbgn splitters): Allocate new
7069 pseudo in case the target rtx matches the source of the left
7072 2016-02-26 Martin Jambor <mjambor@suse.cz>
7075 * hsa.h (hsa_type_packed_p): Declare.
7076 * hsa.c (hsa_type_packed_p): New function.
7077 * hsa-gen.c (mem_type_for_type): Use unsigned type for packed
7079 (gen_hsa_insns_for_store): Use hsa_type_packed_p.
7080 * hsa-brig.c (emit_basic_insn): Likewise.
7082 2016-02-26 Martin Jambor <mjambor@suse.cz>
7085 * hsa-gen.c (gen_hsa_phi_from_gimple_phi): Use proper hsa type for
7087 (gen_hsa_addr): Allow integer constants in TMR_INDEX2.
7089 2016-02-26 Martin Jambor <mjambor@suse.cz>
7091 * hsa.h (is_a_helper): New overload for hsa_op_immed for
7092 hsa_op_with_type operands.
7093 (hsa_unsigned_type_for_type): Declare.
7094 * hsa.c (hsa_unsigned_type_for_type): New function.
7095 * hsa-gen.c (gen_hsa_binary_operation): Use hsa_unsigned_type_for_type.
7096 (gen_hsa_insns_for_operation_assignment): Satisfy constrains of
7097 the finalizer. Do not emit extra move.
7099 2016-02-26 Martin Jambor <mjambor@suse.cz>
7101 * hsa-gen.c (gen_hsa_ternary_atomic_for_builtin): Fail in presence of
7102 atomic operations in private segment.
7104 2016-02-26 Martin Jambor <mjambor@suse.cz>
7106 * omp-low.c (grid_find_ungridifiable_statement): Store problematic
7107 statements to wi->info. Also disallow omp simd constructs.
7108 (grid_target_follows_gridifiable_pattern): Use wi.info to dump reason
7109 for not gridifying. Dump special string for omp_for.
7111 2016-02-26 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
7114 * config/aarch64/aarch64.c (aarch64_set_current_function):
7115 Save/restore target globals when switching to
7116 target_option_default_node.
7118 2016-02-26 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
7121 * config/aarch64/aarch64.c (aarch64_shift_truncation_mask):
7122 Return 0 if !SHIFT_COUNT_TRUNCATED.
7124 2016-02-26 Jakub Jelinek <jakub@redhat.com>
7125 Eric Botcazou <ebotcazou@adacore.com>
7127 PR rtl-optimization/69891
7128 * dse.c (scan_insn): If we can't figure out memset arguments
7129 or they are non-constant, call clear_rhs_from_active_local_stores.
7131 2016-02-26 Martin Liska <mliska@suse.cz>
7133 * doc/extend.texi: Mention clog10, clog10f an clog10l
7134 in Builtins section.
7136 2016-02-26 Martin Liska <mliska@suse.cz>
7138 * dwarf2out.c (new_loc_descr): Replace ENABLE_CHECKING with
7140 (resolve_args_picking_1): Likewise.
7141 * dwarf2out.h (struct GTY): Likewise.
7143 2016-02-26 Martin Liska <mliska@suse.cz>
7145 * hsa-gen.c (generate_hsa): Replace ENABLE_CHECKING macro
7147 * hsa-regalloc.c (linear_scan_regalloc): Likewise.
7149 2016-02-26 Markus Trippelsdorf <markus@trippelsdorf.de>
7150 Martin Liska <mliska@suse.cz>
7152 * doc/install.texi: Mention --enable-valgrind-annotations.
7154 2016-02-26 Richard Biener <rguenther@suse.de>
7156 PR tree-optimization/69551
7157 * tree-ssa-structalias.c (get_constraint_for_ssa_var): When
7158 looking through aliases adjust DECL_PT_UID to refer to the
7159 ultimate alias target.
7161 2016-02-25 Martin Liska <mliska@suse.cz>
7164 * alloc-pool.c (after_memory_report): New variable.
7165 * alloc-pool.h (base_pool_allocator ::release): Do not use
7166 the infrastructure if after_memory_report.
7167 * toplev.c (toplev::main): Mark after memory report.
7169 2016-02-25 Richard Biener <rguenther@suse.de>
7171 PR tree-optimization/48795
7172 * tree-vrp.c (check_array_ref): Use array_at_struct_end_p.
7174 2016-02-25 Ilya Verbin <ilya.verbin@intel.com>
7177 * config/gnu-user.h (CRTOFFLOADBEGIN): Define. Add crtoffloadbegin.o if
7178 offloading is enabled and -fopenacc or -fopenmp is specified.
7179 (CRTOFFLOADEND): Likewise.
7180 (GNU_USER_TARGET_STARTFILE_SPEC): Add CRTOFFLOADBEGIN.
7181 (GNU_USER_TARGET_ENDFILE_SPEC): Add CRTOFFLOADEND.
7182 * lto-wrapper.c (offloadbegin, offloadend): Remove static vars.
7183 (offload_objects_file_name): New static var.
7184 (tool_cleanup): Remove offload_objects_file_name file.
7185 (find_offloadbeginend): Replace with ...
7186 (find_crtoffloadtable): ... this.
7187 (run_gcc): Remove offload_argc and offload_argv.
7188 Get offload_objects_file_name from -foffload-objects=... option.
7189 Read names of object files with offload from this file, pass them to
7190 compile_images_for_offload_targets. Don't call find_offloadbeginend and
7191 don't pass offloadbegin and offloadend to the linker. Don't pass
7192 offload non-LTO files to the linker, because now they're not claimed.
7194 2016-02-25 Jan Hubicka <hubicka@ucw.cz>
7197 * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
7198 on builtin_unreachable.
7200 2016-02-25 Jakub Jelinek <jakub@redhat.com>
7202 PR rtl-optimization/69896
7203 * regcprop.c: Include cfgrtl.h.
7204 (copyprop_hardreg_forward_1): If noop_p insn uses narrower
7205 than remembered mode, either delete it (if noop_move_p), or
7206 treat like copy_p but not noop_p instruction.
7208 2016-02-24 Jakub Jelinek <jakub@redhat.com>
7211 * dwarf2out.c (gen_variable_die): Work around buggy LTO
7212 - allow NULL decl for Fortran DW_TAG_common_block variables.
7214 2016-02-24 Jason Merrill <jason@redhat.com>
7216 * common.opt (flifetime-dse): Add -flifetime-dse=1.
7218 2016-02-24 Richard Biener <rguenther@suse.de>
7219 Jakub Jelinek <jakub@redhat.com>
7222 * tree-scalar-evolution.c (interpret_rhs_expr): Re-write
7223 conditionally executed ops to well-defined overflow behavior.
7225 2016-02-24 Jakub Jelinek <jakub@redhat.com>
7228 * tree.c (build_vector_from_ctor): Fix handling of VECTOR_CST
7231 2016-02-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
7233 PR rtl-optimization/69886
7234 * gcse.c (can_assign_to_reg_without_clobbers_p): Accept mode
7235 argument. Use it when checking validity of set instructions.
7236 (want_to_gcse_p): Pass mode to can_assign_to_reg_without_clobbers_p.
7237 (compute_ld_motion_mems): Update can_assign_to_reg_without_clobbers_p
7239 * rtl.h (can_assign_to_reg_without_clobbers_p): Update prototype.
7240 * store-motion.c (find_moveable_store): Update
7241 can_assign_to_reg_without_clobbers_p callsite.
7243 2016-02-24 Richard Biener <rguenther@suse.de>
7246 * tree-ssa-loop-niter.c (derive_constant_upper_bound_ops): Fix
7248 (record_nonwrapping_iv): Do not fall back to the low/high bound
7249 for non-constant IV bases if the stmt is not always executed.
7251 2016-02-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
7253 * config/arm/arm-cores.def (cortex-a32): New entry.
7254 * config/arm/arm-tables.opt: Regenerate.
7255 * config/arm/arm-tune.md: Regenerate.
7256 * config/arm/bpabi.h (BE8_LINK_SPEC): Add mcpu=cortex-a32.
7257 * config/arm/t-aprofile: Handle mcpu=cortex-a32.
7258 * doc/invoke.texi (ARM Options): Document cortex-a32 as value
7259 for -mcpu and -mtune.
7261 2016-02-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
7264 * config/arm/arm.h (TARGET_HAVE_LPAE): Define.
7265 * config/arm/unspecs.md (VUNSPEC_LDRD_ATOMIC): New value.
7266 * config/arm/sync.md (arm_atomic_loaddi2_ldrd): New pattern.
7267 (atomic_loaddi_1): Delete.
7268 (atomic_loaddi): Rewrite expander using the above changes.
7270 2016-02-24 Jakub Jelinek <jakub@redhat.com>
7273 * params.def (PARAM_MAX_SSA_NAME_QUERY_DEPTH): Bump default from
7276 2016-02-24 Jakub Jelinek <jakub@redhat.com>
7277 Richard Biener <rguenth@suse.de>
7280 * expr.c (expand_expr_real_1) <normal_inner_ref>: Avoid
7281 set_mem_attributes if tem is SSA_NAME which got expanded
7284 2016-02-24 Richard Biener <rguenther@suse.de>
7286 PR tree-optimization/69907
7287 * tree-vect-stmts.c (vectorizable_load): Check for gaps at the
7288 end of permutations for BB vectorization.
7290 2016-02-24 Christian Bruel <christian.bruel@st.com>
7292 * config/arm/arm-c.c (arm_option_override): Initialize
7293 target_option_current_node.
7294 * config/arm/arm.c (arm_pragma_target_parse): Replace
7295 build_target_option_node call by target_option_current_node.
7296 Set target_option_current_node.
7299 2016-02-23 David Edelsohn <dje.gcc@gmail.com>
7302 * config/rs6000/rs6000.md (zero_extendqi<mode>2_dot): Convert from
7303 define_insn_and_split to define_insn.
7304 (zero_extendqi<mode>2_dot2): Same.
7305 (extendqi<mode>2_dot): Same.
7306 (extendqi<mode>2_dot2): Same.
7308 2016-02-23 Evandro Menezes <e.menezes@samsung.com>
7310 * config/arm/exynos-m1.md: Change cost of STP, fix bypass for stores
7311 and add bypass for AES{D,E} and AESMC pairs.
7312 * config/aarch64/aarch64.c (exynosm1_tunings): Enable fusion of AES{D,E}
7315 2016-02-23 Evandro Menezes <e.menezes@samsung.com>
7317 * config/aarch64/aarch64.c (exynosm1_tunings): Enable the Newton
7318 series for reciprocal square root in Exynos M1.
7320 2016-02-23 Martin Sebor <msebor@redhat.com>
7323 * doc/extend.texi (Other Builtins): Document __builtin_alloca and
7324 __builtin_alloca_with_align.
7326 2016-02-23 Richard Henderson <rth@redhat.com>
7328 * config/i386/i386-c.c (ix86_target_macros): Remove __SEG_TLS.
7329 (ix86_register_pragmas): Remove __seg_tls.
7330 * config/i386/i386-protos.h (ADDR_SPACE_SEG_TLS): Remove.
7331 * config/i386/i386.c (ix86_print_operand_address_as): Don't handle it.
7332 (ix86_addr_space_subset_p, TARGET_ADDR_SPACE_SUBSET_P): Remove.
7333 (ix86_addr_space_convert, TARGET_ADDR_SPACE_CONVERT): Remove.
7334 (ix86_addr_space_debug, TARGET_ADDR_SPACE_DEBUG): Remove.
7335 * doc/extend.texi (__seg_tls): Remove item.
7337 2016-02-23 Richard Biener <rguenther@suse.de>
7339 * alloc-pool.h (struct allocation_object): Make id member
7340 conditional on CHECKING_P again.
7341 (get_instance): Adjust.
7342 (base_pool_allocator): Likewise.
7344 2016-02-23 Thomas Schwinge <thomas@codesourcery.com>
7346 * tree-parloops.c (create_parallel_loop, gen_parallel_loop)
7347 (parallelize_loops): In OpenACC kernels mode, set n_threads to
7349 (pass_parallelize_loops::gate): In OpenACC kernels mode, gate on
7351 * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
7353 2016-02-23 Richard Biener <rguenther@suse.de>
7355 * mem-stats.h (struct mem_usage): Use PRIu64 for printing size_t.
7356 * bitmap.h (struct bitmap_usage): Likewise.
7357 (bitmap_move): Declare.
7358 * bitmap.c (register_overhead): Take size_t argument.
7359 (bitmap_move): New function.
7360 * df-problems.c (df_rd_transfer_function): Use bitmap_move
7361 to properly account overhead.
7362 * tree.c (free_node): Use tree_size.
7364 2016-02-23 Jakub Jelinek <jakub@redhat.com>
7367 * fold-const.c (fold_truth_not_expr): Propagate TREE_NO_WARNING
7368 when inverting comparison.
7371 * common.opt (Wunreachable-code): Add Warning flag.
7373 2016-02-23 Mark Wielaard <mjw@redhat.com>
7374 Jakub Jelinek <jakub@redhat.com>
7377 * cgraphunit.c (check_global_declaration): Check main_input_filename
7378 and DECL_SOURCE_FILE are not NULL.
7380 2016-02-23 Martin Jambor <mjambor@suse.cz>
7382 PR tree-optimization/69666
7383 * tree-sra.c (sra_modify_assign): Do not attempt to create
7384 default_def replacements for unscalarizable regions.
7386 2016-02-20 Mark Wielaard <mjw@redhat.com>
7389 * cgraphunit.c (check_global_declaration): Check level of
7390 warn_unused_const_variable and main_input_filename.
7391 * doc/invoke.texi (Warning Options): Add -Wunused-const-variable=.
7392 (-Wunused-variable): For C implies -Wunused-const-variable=1.
7393 (-Wunused-const-variable): Explain levels 1 and 2.
7395 2016-02-22 Jakub Jelinek <jakub@redhat.com>
7398 * config/i386/i386.c (decide_alg): Ensure we don't recurse with
7399 identical arguments. Formatting and spelling fixes.
7402 * doc/md.texi (ashl@var{m}3): Document that mode of operand 2 must
7407 * config/m68k/t-opts (OPTIONS_H_EXTRA): Add m68k-microarchs.def
7408 and m68k-devices.def.
7409 * config/c6x/t-c6x (OPTIONS_H_EXTRA): Add c6x-isas.def.
7410 * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add aarch64-arches.def.
7412 2016-02-22 Cesar Philippidis <cesar@codesourcery.com>
7414 * config/nvptx/nvptx.c (nvptx_gen_shuffle): Add support for QImode
7415 and HImode registers.
7417 2016-02-22 Richard Biener <rguenther@suse.de>
7419 PR tree-optimization/69882
7420 * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Properly
7421 preserve permutations present because of gaps.
7422 (vect_supported_load_permutation_p): Always continue checking
7423 permutations after vect_attempt_slp_rearrange_stmts.
7425 2016-02-22 Bin Cheng <bin.cheng@arm.com>
7427 * tree-vect-loop.c (vect_estimate_min_profitable_iters): Dump
7428 min_profitable_estimate, rather than min_profitable_iters.
7430 2016-02-22 Jakub Jelinek <jakub@redhat.com>
7433 * config/m68k/m68k.md (ashldi3, ashrdi3, lshrdi3): Use
7434 SImode for last match_operand.
7436 2016-02-22 Martin Liska <mliska@suse.cz>
7438 * hsa-gen.c (gen_hsa_clrsb): In case of zero value,
7439 return bitsize - 1 as the return value.
7441 2016-02-22 Oleg Endo <olegendo@gcc.gnu.org>
7445 * config/sh/sh.c (sh_lshrsi_clobbers_t_reg_p, sh_dynamicalize_shift_p):
7446 Handle negative shift counts.
7447 * config/sh/sh.md (ashlsi3, lshrsi3_n, lshrsi3_n_clobbers_t): Don't use
7448 force_reg on the shift constant.
7449 (lshrsi3): Likewise. Expand into lshrsi3_n* instead of lshrsi3_d.
7450 (lshrsi3_d): Handle negative shift counts.
7452 2016-02-22 Richard Biener <rguenther@suse.de>
7453 Tom de Vries <tom@codesourcery.com>
7455 * graph.c: Include dumpfile.h.
7456 (print_graph_cfg): Split into three overloads.
7457 * gdbhooks.py (class DotFn): Add and instantiate, adding command dot-fn.
7459 2016-02-22 Tom de Vries <tom@codesourcery.com>
7461 * gdbhooks.py (class DumpFn): Add and instantiate, adding command
7464 2016-02-22 Richard Biener <rguenther@suse.de>
7467 * ipa-inline-transform.c (inline_call): When not updating
7468 overall summaries adjust self size by the growth estimate.
7469 * ipa-inline.c (inline_to_all_callers_1): Add to the callers
7470 hash-set, do not update overall summaries here. Renamed from ...
7471 (inline_to_all_callers): ... this which is now wrapping the
7472 above and performing delayed overall summary update.
7473 (early_inline_small_functions): Delay updating of the overall
7476 2016-02-21 Markus Trippelsdorf <markus@trippelsdorf.de>
7478 * tree-chkp.c (chkp_mark_invalid_bounds_walker): Initialize
7481 2016-02-19 Jakub Jelinek <jakub@redhat.com>
7484 * gcc.c (LINK_COMMAND_SPEC, GOMP_SELF_SPECS): Use
7485 :%* in %:gt() argument.
7486 (greater_than_spec_func): Adjust for expecting only numbers,
7487 if there are more than two numbers, compare the last two.
7489 2016-02-19 Jonathan Wakely <jwakely@redhat.com>
7491 * doc/invoke.texi (C++ Dialect Options): Clarify interaction of
7492 -Wnarrowing with -std.
7494 2016-02-19 Jakub Jelinek <jakub@redhat.com>
7497 * expr.c (store_field): Don't use bit-field path if exp is
7498 COMPONENT_REF with TREE_ADDRESSABLE type, where TYPE_SIZE is
7499 different from bitsize, but DECL_SIZE of FIELD_DECL is bitsize
7500 and the assignment can be performed by bitwise copy. Formatting
7504 * lra.c (lra_process_new_insns): If non-call exceptions are enabled,
7505 call copy_reg_eh_region_note_forward on before and/or after sequences
7506 and remove note from insn if it no longer can throw.
7509 * config/i386/sse.md (VI_512): Only include V64QImode and V32HImode
7512 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
7514 * config/s390/vector.md: Add missing commutative operand markers
7515 to the patterns which qualify for one.
7516 * config/s390/vx-builtins.md: Likewise.
7518 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
7520 * config/s390/vector.md (VI, VI_QHS): Add single element vector
7521 types to mode iterators.
7522 (vec_double): ... and mode attribute.
7523 * config/s390/vx-builtins.md (non_vec_int): Likewise.
7525 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
7527 * config/s390/vector.md ("<ti*>add<mode>3", "<ti*>sub<mode>3"):
7528 Change the predicate of op2 from nonimmediate to general and let
7529 reload fix it if necessary.
7531 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
7533 * config/s390/vecintrin.h (vec_sub_u128): Define missing macro.
7535 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
7537 * config/s390/s390.c (s390_expand_vcond): Use the compare operand
7540 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
7542 * config/s390/s390-protos.h: Add s390_expand_vec_movstr prototype.
7543 * config/s390/s390.c (s390_expand_vec_movstr): New function.
7544 * config/s390/s390.md ("movstr<P:mode>"): Call
7545 s390_expand_vec_movstr.
7547 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
7549 * config/s390/s390.md: Add missing output modifier for operand 1
7550 to print it as address properly.
7552 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
7554 * config/s390/2827.md: Rename ooo_* insn attributes to zEC12_*.
7555 * config/s390/2964.md: New file.
7556 * config/s390/s390.c (s390_get_sched_attrmask): Use the right set
7557 of insn grouping attributes depending on the CPU level.
7558 (s390_get_unit_mask): New function.
7559 (s390_sched_score): Remove the OOO from the scheduling macros.
7560 Add loop to calculate a score for the instruction mix.
7561 (s390_sched_reorder): Likewise plus improve debug output.
7562 (s390_sched_variable_issue): Rename macros as above. Calculate
7563 the unit distances after actually scheduling an insn. Improve
7565 (s390_sched_init): Clear last_scheduled_unit_distance array.
7566 * config/s390/s390.md: Include 2964.md.
7568 2016-02-18 Jakub Jelinek <jakub@redhat.com>
7571 * config/i386/sse.md (*<floatsuffix>floatv2div2sf2_mask_1,
7572 *avx512vl_<code>v2div2qi2_mask_1, *avx512vl_<code><mode>v4qi2_mask_1,
7573 *avx512vl_<code><mode>v8qi2_mask_1, *avx512vl_<code><mode>v4hi2_mask_1,
7574 *avx512vl_<code>v2div2hi2_mask_1, *avx512vl_<code>v2div2si2_mask_1,
7575 *avx512f_<code>v8div16qi2_mask_1): New insns.
7577 2016-02-18 Michael Meissner <meissner@linux.vnet.ibm.com>
7580 * config/rs6000/predicates.md (fusion_gpr_addis): Revert
7583 * config/rs6000/rs6000.md (fusion_gpr_load_<mode>): Remove
7584 earlyclobber from target. Use wF constraint for fused memory
7586 (fusion_gpr_<P:mode>_<GPR_FUSION:mode>_load): Likewise.
7588 2016-02-18 Jakub Jelinek <jakub@redhat.com>
7589 Martin Liska <mliska@suse.cz>
7592 * cfgexpand.c (asan_sanitize_stack_p): New function.
7593 (partition_stack_vars): Use the function.
7594 (expand_stack_vars): Likewise.
7595 (defer_stack_allocation): Likewise.
7596 (expand_used_vars): Likewise.
7598 2016-02-18 Richard Biener <rguenther@suse.de>
7601 * fold-const.c (operand_equal_p): Properly compare offsets for
7602 IMAGPART_EXPR and ARRAY_REF.
7604 2016-02-18 Nick Clifton <nickc@redhat.com>
7608 * config/arm/arm.c (arm_option_override_internal): Disable
7609 interworking if the target does not support thumb instructions.
7610 (arm_reload_in_hi): Handle the case where a register to register
7611 move needs reloading because there is no simple pattern to handle
7613 (arm_reload_out_hi): Likewise.
7615 2016-02-18 Richard Biener <rguenther@suse.de>
7618 * match.pd: Don't use fold_binary or fold_unary for folding
7621 2016-02-17 Jakub Jelinek <jakub@redhat.com>
7624 * gimplify.c (gimplify_cond_expr): Call gimple_set_no_warning
7625 on the cond_stmt from TREE_NO_WARNING on COND_EXPR_COND.
7626 * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Don't
7627 warn on gimple_no_warning_p statements.
7629 2016-02-17 Jonathan Wakely <jwakely@redhat.com>
7631 * doc/extend.texi (C++ Attributes): Correct description of
7632 warn_unused type attribute.
7634 2016-02-17 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
7636 * config/rs6000/altivec.md (*altivec_lvxl_<mode>_internal): Output
7637 correct instruction.
7639 2016-02-17 Richard Biener <rguenther@suse.de>
7641 PR rtl-optimization/69609
7642 * bb-reorder.c (struct bbro_basic_block_data): Add priority member.
7643 (find_traces_1_round): When ending a trace update cached priority
7645 (bb_to_key): Use cached priority when available.
7646 (copy_bb): Initialize cached priority.
7647 (reorder_basic_blocks_software_trace_cache): Likewise.
7649 2016-02-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
7652 * config/aarch64/predicates.md (aarch64_comparison_operator_mode):
7654 (aarch64_comparison_operator): Break overly long line into two.
7655 (aarch64_comparison_operation): Likewise.
7656 * config/aarch64/aarch64.md (cstorecc4): Use
7657 aarch64_comparison_operator_mode instead of
7658 aarch64_comparison_operator.
7659 (cstore<mode>4): Likewise.
7660 (aarch64_cstore<mode>): Likewise.
7661 (*cstoresi_insn_uxtw): Likewise.
7662 (cstore<mode>_neg): Likewise.
7663 (*cstoresi_neg_uxtw): Likewise.
7665 2016-02-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
7668 * config/arm/predicates.md (arm_comparison_operator_mode):
7670 * config/arm/arm.md (*mov_scc): Use arm_comparison_operator_mode
7671 instead of arm_comparison_operator.
7672 (*mov_negscc): Likewise.
7673 (*mov_notscc): Likewise.
7674 * config/arm/thumb2.md (*thumb2_mov_scc): Likewise.
7675 (*thumb2_mov_negscc): Likewise.
7676 (*thumb2_mov_negscc_strict_it): Likewise.
7677 (*thumb2_mov_notscc): Likewise.
7678 (*thumb2_mov_notscc_strict_it): Likewise.
7680 2016-02-17 Wilco Dijkstra <wdijkstr@arm.com>
7682 * config/aarch64/aarch64.c (aarch64_internal_mov_immediate):
7685 2016-02-17 Eric Botcazou <ebotcazou@adacore.com>
7687 * config/visium/visium.c (machine_libfunc_index): New enum.
7688 (machine_libfuncs): New structure.
7689 (visium_libfuncs): New static variable.
7690 (TARGET_INIT_LIBFUNCS): Define to...
7691 (visium_init_libfuncs): ...this. New function.
7692 (expand_block_move_4): Use the appropriate libfunc.
7693 (expand_block_move_2): Likewise.
7694 (expand_block_move_1): Likewise.
7695 (expand_block_set_4): Likewise.
7696 (expand_block_set_2): Likewise.
7697 (expand_block_set_1): Likewise.
7698 (visium_trampoline_init): Likewise.
7700 2016-02-17 Nick Clifton <nickc@redhat.com>
7702 * config/msp430/msp430.c (msp430_mcu_data): Sync with data from
7703 TI's devices.csv file as of March 2016.
7705 2016-02-16 Kelvin Nilsen <kelvin@gcc.gnu.org>
7708 * opts-global.c (handle_common_deferred_options): Introduce and
7709 initialize two global variables to remember command-line options
7710 specifying a stack-limiting register.
7711 * opts.h: Add extern declarations of the two new global variables.
7712 * emit-rtl.c (init_emit_once): Initialize the stack_limit_rtx
7713 variable based on the values of the two new global variables.
7715 2016-02-16 Jakub Jelinek <jakub@redhat.com>
7718 * common.opt (Wnonnull-compare): New warning.
7719 * doc/invoke.texi (-Wnonnull): Remove text about comparison
7720 of arguments against NULL.
7721 (-Wnonnull-compare): Document.
7722 * Makefile.in (OBJS): Add gimple-ssa-nonnull-compare.o.
7723 * tree-pass.h (make_pass_warn_nonnull_compare): Declare.
7724 * passes.def (pass_warn_nonnull_compare): Add.
7725 * gimple-ssa-nonnull-compare.c: New file.
7727 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
7729 * config/aarch64/aarch64.c (cortexa57_tunings): Remove
7730 AARCH64_EXTRA_TUNE_RECIP_SQRT.
7732 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
7734 * config/aarch64/aarch64.c (use_rsqrt_p): Always use software
7735 reciprocal sqrt for -mlow-precision-recip-sqrt.
7737 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
7738 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
7740 * config/aarch64/aarch64.c (aarch64_expand_vector_init): Refactor,
7741 always use lane loads to construct non-constant vectors.
7743 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
7745 * config/aarch64/aarch64.md
7746 (arch64_sqrdml<SQRDMLH_AS:rdma_as>h_lane<mode>): Fix register
7747 constraints for operand 3.
7748 (aarch64_sqrdml<SQRDMLH_AS:rdma_as>h_laneq<mode>): Likewise.
7750 2016-02-16 Jakub Jelinek <jakub@redhat.com>
7751 Richard Biener <rguenther@suse.de>
7753 PR tree-optimization/69820
7754 * tree-vect-patterns.c (type_conversion_p): Return false if
7755 *orig_type is unsigned single precision or boolean.
7756 (vect_recog_dot_prod_pattern, vect_recog_widen_mult_pattern):
7759 2016-02-16 Jakub Jelinek <jakub@redhat.com>
7761 PR rtl-optimization/69764
7762 PR rtl-optimization/69771
7763 * optabs.c (expand_binop): Ensure for shift optabs invalid CONST_INT
7764 op1 is valid for GET_MODE_INNER (mode) and force it into a reg.
7766 2016-02-16 Richard Biener <rguenther@suse.de>
7768 PR tree-optimization/69776
7769 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Get alias
7771 (indirect_refs_may_alias_p): Likewise.
7772 (refs_may_alias_p_1): Pass alias sets as from ao_ref.
7773 * tree-ssa-sccvn.c (vn_reference_lookup): Also adjust vr alias-set
7774 according to tbaa_p.
7775 * tree-ssa-dom.c (lookup_avail_expr): Add tbaa_p flag.
7776 (optimize_stmt): For redundant store discovery do not allow tbaa.
7778 2016-02-16 Bernd Schmidt <bschmidt@redhat.com>
7780 PR tree-optimization/69714
7781 * tree-ssa-math-opts.c (find_bswap_or_nop): Revert previous change.
7782 Return NULL if we have irrelevant high bytes on BIG_ENDIAN.
7784 2016-02-16 Claudiu Zissulescu <claziss@synopsys.com>
7786 * config/arc/arc-modes.def (CC_FPU, CC_FPU_UNEQ): New modes.
7787 * config/arc/arc-opts.h (FPU_SP, FPU_SF, FPU_SC, FPU_SD, FPU_DP)
7788 (FPU_DF, FPU_DC, FPU_DD, FXP_DP): Define.
7789 * config/arc/arc.c (arc_init): Check FPU options.
7790 (get_arc_condition_code): Handle new CC_FPU* modes.
7791 (arc_select_cc_mode): Likewise.
7792 (arc_conditional_register_usage): Allow 64 bit datum into even-odd
7793 register pair only. Allow access for ARCv2 accumulator.
7794 (gen_compare_reg): Whenever we have FPU support use FPU compare
7796 (arc_reorg): Don't generate brcc insns when FPU compare
7797 instructions are involved.
7798 * config/arc/arc.h (TARGET_DPFP): Add TARGET_FP_DPAX condition.
7799 (TARGET_OPTFPE): Add condition when ARC EM can use optimized
7800 floating point emulation.
7801 (ACC_REG_FIRST, ACC_REG_LAST, ACCL_REGNO, ACCH_REGNO): Define.
7802 (REVERSE_CONDITION): Add new CC_FPU* modes.
7803 (TARGET_FP_SP_BASE): Define.
7804 (TARGET_FP_DP_BASE): Likewise.
7805 (TARGET_FP_SP_FUSED): Likewise.
7806 (TARGET_FP_DP_FUSED): Likewise.
7807 (TARGET_FP_SP_CONV): Likewise.
7808 (TARGET_FP_DP_CONV): Likewise.
7809 (TARGET_FP_SP_SQRT): Likewise.
7810 (TARGET_FP_DP_SQRT): Likewise.
7811 (TARGET_FP_DP_AX): Likewise.
7812 * config/arc/arc.md (ARCV2_ACC): New constant.
7813 (type): New fpu type attribute.
7814 (SDF): Conditional iterator.
7815 (cstore<mode>, cbranch<mode>): Change expand condition.
7816 (addsf3, subsf3, mulsf3, adddf3, subdf3, muldf3): New expands,
7817 handles FPU/FPX cases as well.
7818 * config/arc/arc.opt (mfpu): New option.
7819 * config/arc/fpx.md (addsf3_fpx, subsf3_fpx, mulsf3_fpx):
7821 (adddf3, muldf3, subdf3): Removed.
7822 * config/arc/predicates.md (proper_comparison_operator): Recognize
7824 * config/arc/fpu.md: New file.
7825 * doc/invoke.texi (ARC Options): Document mfpu option.
7827 2016-02-16 Richard Biener <rguenther@suse.de>
7829 PR rtl-optimization/69291
7830 * ifcvt.c (noce_try_store_flag_constants): Re-instantiate
7831 noce_operand_ok check.
7833 2016-02-16 Tom de Vries <tom@codesourcery.com>
7836 * omp-low.c (simd_clone_create): Remove call to
7837 symtab->call_cgraph_insertion_hooks.
7839 2016-02-16 Jakub Jelinek <jakub@redhat.com>
7841 PR tree-optimization/69802
7842 * tree-ssa-reassoc.c (update_range_test): If op is
7843 SSA_NAME_IS_DEFAULT_DEF, give up unless tem is a positive
7844 op == 1 test of precision 1 integral op, otherwise handle
7845 that case as op itself. Fix up formatting.
7846 (optimize_range_tests_to_bit_test, optimize_range_tests): Fix
7849 2016-02-16 Richard Biener <rguenther@suse.de>
7851 PR tree-optimization/69586
7852 * tree-vrp.c (register_edge_assert_for_2): Handle all integral
7853 types for conversion sources.
7855 2016-02-16 Richard Biener <rguenther@suse.de>
7858 * fold-const.c (operand_equal_p): For COND_EXPR zero operand
7859 mask OEP_ADDRESS_OF.
7861 2016-02-16 Alan Modra <amodra@gmail.com>
7864 * config/rs6000/rs6000.md (reload_vsx_from_gprsf): Rewrite splitter.
7865 (p8_mtvsrd_df, p8_mtvsrd_sf): New.
7866 (p8_mtvsrd_1, p8_mtvsrd_2): Delete.
7868 (p8_mtvsrwz_1, p8_mtvsrwz_2): Delete.
7869 (p8_xxpermdi_<mode>): Take two DF inputs rather than one TF.
7870 (p8_fmrgow_<mode>): Likewise.
7871 (reload_vsx_from_gpr<mode>): Make clobber IF. Adjust for above
7873 (reload_fpr_from_gpr<mode>): Similarly. Use "d" for op0 constraint.
7874 (reload_vsx_from_gprsf): Use p8_mtvsrd_sf rather than attempting
7875 to use movdi_internal64. Remove op0_di.
7876 * config/rs6000/vsx.md (vsx_xscvspdpn_directmove): Make op1 SFmode.
7878 2016-02-15 Evandro Menezes <e.menezes@samsung.com>
7880 Add support for the FCCMP insn types
7882 * config/aarch64/aarch64.md (fccmp): Change insn type.
7884 * config/aarch64/thunderx.md (thunderx_fcmp): Add "fccmp{s,d}" types.
7885 * config/arm/cortex-a53.md (cortex_a53_fpalu): Likewise.
7886 * config/arm/cortex-a57.md (cortex_a57_fp_cmp): Likewise.
7887 * config/arm/xgene1.md (xgene1_fcmp): Likewise.
7888 * config/arm/exynos-m1.md (exynos_m1_fp_ccmp): New insn reservation.
7889 * config/arm/types.md (fccmps): Add new insn type.
7892 2016-02-15 Bernd Edlinger <bernd.edlinger@hotmail.de>
7894 * alias.c (get_alias_set): Fix a typo in comment.
7896 2016-02-15 Richard Biener <rguenther@suse.de>
7898 PR tree-optimization/69595
7899 * match.pd: Complete range test simplification to true.
7901 2016-02-15 Bernd Schmidt <bschmidt@redhat.com>
7903 PR rtl-optimization/69648
7904 * lra-constraints.c (update_ebb_live_info): Don't remove sets of
7905 pic_offset_table_rtx.
7907 PR rtl-optimization/69752
7908 * ira.c (update_equiv_regs): When looking for more than a single SET,
7909 also take other side effects into account.
7911 2016-02-15 Marcin Kościelnicki <koriakin@0x04.net>
7913 * config/s390/s390.c (s390_function_profiler): Add a new sequence
7914 for z900+ CPUs in 31-bit mode.
7916 2016-02-15 Marcin Kościelnicki <koriakin@0x04.net>
7918 * common/config/s390/s390-common.c (s390_supports_split_stack):
7920 (TARGET_SUPPORTS_SPLIT_STACK): New macro.
7921 * config/s390/s390-protos.h: Add s390_expand_split_stack_prologue.
7922 * config/s390/s390.c (struct machine_function): New field
7923 split_stack_varargs_pointer.
7924 (s390_register_info): Mark r12 as clobbered if it'll be used as temp
7925 in s390_emit_prologue.
7926 (s390_emit_prologue): Use r12 as temp if r1 is taken by split-stack
7928 (morestack_ref): New global.
7929 (SPLIT_STACK_AVAILABLE): New macro.
7930 (s390_expand_split_stack_prologue): New function.
7931 (s390_live_on_entry): New function.
7932 (s390_va_start): Use split-stack vararg pointer if appropriate.
7933 (s390_asm_file_end): Emit the split-stack note sections.
7934 (TARGET_EXTRA_LIVE_ON_ENTRY): New macro.
7935 * config/s390/s390.md (UNSPEC_STACK_CHECK): New unspec.
7936 (UNSPECV_SPLIT_STACK_CALL): New unspec.
7937 (UNSPECV_SPLIT_STACK_DATA): New unspec.
7938 (split_stack_prologue): New expand.
7939 (split_stack_space_check): New expand.
7940 (split_stack_data): New insn.
7941 (split_stack_call): New expand.
7942 (split_stack_call_*): New insn.
7943 (split_stack_cond_call): New expand.
7944 (split_stack_cond_call_*): New insn.
7946 2016-02-15 Richard Biener <rguenther@suse.de>
7948 PR tree-optimization/69783
7949 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
7950 Add trivially correct cases.
7952 2016-02-15 Tom de Vries <tom@codesourcery.com>
7955 * lto-cgraph.c (input_offload_tables): Add and handle bool parameter
7957 * lto-streamer.h (input_offload_tables): Add and handle bool parameter.
7959 2016-02-15 Richard Biener <rguenther@suse.de>
7961 PR tree-optimization/69776
7962 * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
7963 * tree-ssa-sccvn.c (vn_reference_lookup): Add parameter to
7964 indicate whether we can use TBAA to disambiguate against stores.
7965 Use alias-set zero if not.
7966 (visit_reference_op_store): Do not use TBAA when looking up
7968 * tree-ssa-pre.c (compute_avail): Use TBAA here.
7969 (eliminate_dom_walker::before_dom_children): But not when looking
7970 up redundant stores.
7972 2016-02-14 John David Anglin <danglin@gcc.gnu.org>
7974 * config/pa/pa.md (absqi2, absghi2, bswaphi2, bswapsi2, bswapdi2): New.
7976 2016-02-14 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
7978 * config/i386/znver1.md
7979 (znver1_pop, znver1_pop_mem,
7980 znver1_load_imov_double_store,
7981 znver1_load_imov_direct_store,
7982 znver1_load_imov_direct_load,
7983 znver1_load_imov_double_load): Add new.
7984 (znver1_insn, znver1_insn_load): Add icmov type.
7986 znver1_sseavx_fma_load,
7988 znver1_avx256_fma_load): Fix pipe usage.
7990 2016-02-14 Alan Modra <amodra@gmail.com>
7993 * reloads.c (find_reloads_address_1): For pre/post-inc/dec
7994 with an invalid hard reg, reload just the reg not the entire
7995 pre/post-inc/dec address expression.
7997 2016-02-13 Oleg Endo <olegendo@gcc.gnu.org>
8000 * config/sh/sh.md (sibcall_value_pcrel): Replace =&k scratch reg with
8001 fixed R1_REG scratch reg.
8002 (sibcall_value_pcrel_fdpic): Likewise.
8004 2016-02-13 Oleg Endo <olegendo@gcc.gnu.org>
8008 * config/sh/sh.md (*zero_extract_3): New insn_and_split pattern.
8010 2016-02-12 Walter Lee <walt@tilera.com>
8012 * config/tilepro/t-tilepro: Replace CC_FOR_BUILD with CXX_FOR_BUILD.
8013 * config/tilegx/t-tilegx: Likewise.
8015 2016-02-12 David Malcolm <dmalcolm@redhat.com>
8018 * diagnostic-show-locus.c (struct line_span): New struct.
8019 (layout::get_first_line): Delete.
8020 (layout::get_last_line): Delete.
8021 (layout::get_num_line_spans): New member function.
8022 (layout::get_line_span): Likewise.
8023 (layout::print_heading_for_line_span_index_p): Likewise.
8024 (layout::get_expanded_location): Likewise.
8025 (layout::calculate_line_spans): Likewise.
8026 (layout::m_first_line): Delete.
8027 (layout::m_last_line): Delete.
8028 (layout::m_line_spans): New field.
8029 (layout::layout): Update comment. Replace m_first_line and
8030 m_last_line with m_line_spans, replacing their initialization
8031 with a call to calculate_line_spans.
8032 (diagnostic_show_locus): When printing source lines and
8033 annotations, rather than looping over a single span
8034 of lines, instead loop over each line_span within
8035 the layout, with an inner loop over the lines within them.
8036 Call the context's start_span callback when changing line spans.
8037 * diagnostic.c (diagnostic_initialize): Initialize start_span.
8038 (diagnostic_build_prefix): Break out the building of the location
8039 part of the string into...
8040 (diagnostic_get_location_text): ...this new function, rewriting
8041 it from nested ternary expressions to a sequence of "if"
8043 (default_diagnostic_start_span_fn): New function.
8044 * diagnostic.h (diagnostic_start_span_fn): New typedef.
8045 (diagnostic_context::start_span): New field.
8046 (default_diagnostic_start_span_fn): New prototype.
8048 2016-02-12 David Malcolm <dmalcolm@redhat.com>
8051 * gcc.c (driver::finalize): Fix cleanup of "specs".
8053 2016-02-12 David Malcolm <dmalcolm@redhat.com>
8057 * gcc.c (driver::driver): Initialize m_option_suggestions.
8058 (driver::~driver): Clean up m_option_suggestions.
8059 (suggest_option): Convert to...
8060 (driver::suggest_option): ...this, and split out into
8061 driver::build_option_suggestions and find_closest_string.
8062 (driver::build_option_suggestions): New function, from
8063 first half of suggest_option. Special-case
8064 OPT_fsanitize_ and OPT_fsanitize_recover_, making use of
8065 the sanitizer_opts array. For options of enum types, add the
8066 various enum values to the candidate strings.
8067 (driver::handle_unrecognized_options): Remove "const".
8068 * gcc.h (driver::handle_unrecognized_options): Likewise.
8069 (driver::build_option_suggestions): New decl.
8070 (driver::suggest_option): New decl.
8071 (driver::m_option_suggestions): New field.
8072 * opts-common.c (add_misspelling_candidates): New function.
8073 * opts.c (sanitizer_opts): Remove decl of struct sanitizer_opts_s
8074 and make non-static.
8075 * opts.h (sanitizer_opts): New array decl.
8076 (add_misspelling_candidates): New function decl.
8077 * spellcheck.c (find_closest_string): New function.
8078 * spellcheck.h (find_closest_string): New function decl.
8080 2016-02-12 Jakub Jelinek <jakub@redhat.com>
8082 PR rtl-optimization/69764
8083 PR rtl-optimization/69771
8084 * optabs.c (expand_binop_directly): For shift_optab_p, force
8085 convert_modes with VOIDmode if xop1 has VOIDmode.
8087 2016-02-12 Ilya Enkovich <enkovich.gnu@gmail.com>
8090 * lto-streamer-out.c (lto_output): Use thunk.add_pointer_bounds_args
8091 to correctly determine instrumentation thunks.
8093 2016-02-12 Jakub Jelinek <jakub@redhat.com>
8096 * ipa-split.c (split_function): If split part returns TREE_ADDRESSABLE
8097 type by reference, force lhs on the call.
8100 * ipa-split.c (split_function): Don't compute/use main_part_return_p.
8101 Compute retval and retbnd early in all cases if split_part_return_p
8102 and return_bb is not EXIT. Remove all clobber stmts and reset
8103 all debug stmts that refer to SSA_NAMEs defined in split part,
8104 except if it is retval, in that case replace the old retval with the
8105 lhs of the call to the split part.
8107 2016-02-12 Kugan Vivekanandarajah <kuganv@linaro.org>
8110 2016-02-12 Kugan Vivekanandarajah <kuganv@linaro.org>
8113 * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
8114 whose result is used in PHI.
8115 (maybe_optimize_range_tests): Likewise.
8116 (final_range_test_p): Likweise.
8118 2016-02-12 Kugan Vivekanandarajah <kuganv@linaro.org>
8121 * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
8122 whose result is used in PHI.
8123 (maybe_optimize_range_tests): Likewise.
8124 (final_range_test_p): Likweise.
8126 2016-02-12 Jakub Jelinek <jakub@redhat.com>
8128 * cgraph.c: Spelling fixes - behaviour -> behavior and
8129 neighbour -> neighbor.
8130 * target.def: Likewise.
8131 * sel-sched.c: Likewise.
8132 * config/mips/mips.c: Likewise.
8133 * config/arc/arc.md: Likewise.
8134 * config/arm/cortex-a57.md: Likewise.
8135 * config/arm/arm.c: Likewise.
8136 * config/arm/neon.md: Likewise.
8137 * config/arm/arm-c.c: Likewise.
8138 * config/vms/vms-c.c: Likewise.
8139 * config/s390/s390.c: Likewise.
8140 * config/i386/znver1.md: Likewise.
8141 * config/i386/i386.c: Likewise.
8142 * config/ia64/hpux-unix2003.h: Likewise.
8143 * config/msp430/msp430.md: Likewise.
8144 * config/rx/rx.c: Likewise.
8145 * config/rx/rx.md: Likewise.
8146 * config/aarch64/aarch64-simd.md: Likewise.
8147 * config/aarch64/aarch64.c: Likewise.
8148 * config/nvptx/nvptx.c: Likewise.
8149 * config/bfin/bfin.c: Likewise.
8150 * config/cris/cris.opt: Likewise.
8151 * config/rs6000/rs6000.c: Likewise.
8152 * target.h: Likewise.
8153 * spellcheck.c: Likewise.
8154 * ira-build.c: Likewise.
8155 * tree-inline.c: Likewise.
8156 * builtins.c: Likewise.
8157 * lra-constraints.c: Likewise.
8158 * explow.c: Likewise.
8159 * hwint.h: Likewise.
8160 * targhooks.c: Likewise.
8161 * tree-vect-data-refs.c: Likewise.
8163 * doc/tm.texi: Likewise.
8164 * doc/extend.texi: Likewise.
8165 * doc/install.texi: Likewise.
8166 * doc/md.texi: Likewise.
8167 * tree-ssa-tail-merge.c: Likewise.
8168 * sched-int.h: Likewise.
8169 * match.pd: Likewise.
8170 * sched-ebb.c: Likewise.
8171 * target.def (omit_struct_return_reg): Likewise.
8172 * gimple-ssa-isolate-paths.c: Likewise.
8173 (find_implicit_erroneous_behaviour): Renamed to...
8174 (find_implicit_erroneous_behavior): ... this.
8175 (find_explicit_erroneous_behaviour): Renamed to...
8176 (find_explicit_erroneous_behavior): ... this.
8177 (gimple_ssa_isolate_erroneous_paths): Adjust caller.
8179 2016-02-11 Segher Boessenkool <segher@kernel.crashing.org>
8181 PR rtl-optimization/64682
8182 PR rtl-optimization/69567
8183 PR rtl-optimization/69737
8184 * combine.c (distribute_notes) <REG_DEAD>: If the register is set
8185 in I2 as well, just lose it.
8187 2016-02-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
8189 * config/aarch64/aarch64.c (aarch64_last_printed_arch_string):
8191 (aarch64_last_printed_tune_string): Likewise.
8192 (aarch64_declare_function_name): Only output .arch assembler
8193 directive if it will be different from the previously output
8194 directive. Same for .tune comment but only if -dA is set.
8195 (aarch64_start_file): New function.
8196 (TARGET_ASM_FILE_START): Define.
8198 2016-02-11 David Malcolm <dmalcolm@redhat.com>
8201 * Makefile.in (PLUGIN_HEADERS): Add params.list.
8203 2016-02-11 Jakub Jelinek <jakub@redhat.com>
8206 * tree-vect-slp.c (vect_schedule_slp_instance): Avoid
8207 -Wmaybe-uninitialized warning.
8209 2016-02-11 Oleg Endo <olegendo@gcc.gnu.org>
8212 * config/sh/sh.md (casesi_worker_0): Add T_REG use.
8214 2016-02-11 Richard Biener <rguenther@suse.de>
8216 PR rtl-optimization/69291
8217 * ifcvt.c (noce_try_store_flag_constants): Do not allow
8218 subexpressions affected by changing the result.
8220 2016-02-10 Vladimir Makarov <vmakarov@redhat.com>
8223 * lra-constraints.c (curr_insn_transform): Find in/out operands
8224 for secondary memory moves. Update dups.
8226 2016-02-10 Yuri Rumyantsev <ysrumyan@gmail.com>
8228 PR tree-optimization/69652
8229 * tree-vect-loop.c (optimize_mask_stores): Move declaration of STMT1
8230 to nested loop, did source re-formatting, skip debug statements,
8231 add check on statement with volatile operand, remove dead scalar
8234 2016-02-10 Jakub Jelinek <jakub@redhat.com>
8235 Patrick Palka <ppalka@gcc.gnu.org>
8239 * gimplify.c (gimplify_modify_expr): Set lhs even for noreturn
8240 calls if the return type is TREE_ADDRESSABLE.
8241 * cgraphunit.c (cgraph_node::expand_thunk): Likewise.
8242 * ipa-split.c (split_function): Fix doubled "we" in comment.
8243 Use void return type for the split part even if
8244 !split_point->split_part_set_retval.
8246 2016-02-10 Bin Cheng <bin.cheng@arm.com>
8248 PR tree-optimization/68021
8249 * tree-ssa-loop-ivopts.c (get_computation_aff): Set ratio to 1 if
8250 when computing the value of biv cand by itself.
8252 2016-02-10 Wilco Dijkstra <wdijkstr@arm.com>
8254 * config/aarch64/aarch64.c (cortexa53_tunings): Enable AES fusion.
8255 (cortexa57_tunings): Likewise.
8256 (cortexa72_tunings): Likewise.
8257 (arch_macro_fusion_pair_p): Add support for AES fusion.
8258 * config/aarch64/aarch64-fusion-pairs.def: Add AES_AESMC entry.
8259 * config/arm/aarch-common.c (aarch_crypto_can_dual_issue):
8260 Allow virtual registers before reload so early scheduling works.
8261 * config/arm/cortex-a57.md (cortex_a57_crypto_simple): Use
8262 correct latency and pipeline.
8263 (cortex_a57_crypto_complex): Likewise.
8264 (cortex_a57_crypto_xor): Likewise.
8265 (define_bypass): Add AES bypass.
8267 2016-02-10 Richard Biener <rguenther@suse.de>
8269 PR tree-optimization/69726
8270 * passes.def: Add DCE pass before late uninit.
8271 * match.pd: Add A ? B : (!A ? C : X) -> A ? B : C patterns to
8272 really fixup if-conversions job.
8274 2016-02-10 Wilco Dijkstra <wdijkstr@arm.com>
8276 * config/arm/arm.c (arm_cortex_a53_tune): Enable AES fusion.
8277 (arm_cortex_a57_tune): Likewise.
8278 (aarch_macro_fusion_pair_p): Add support for AES fusion.
8279 * config/arm/arm-protos.h (fuse_ops): Add FUSE_AES_AESMC.
8281 2016-02-10 Eric Botcazou <ebotcazou@adacore.com>
8283 * timevar.def (TV_PHASE_DBGINFO): Delete.
8284 (TV_PHASE_CHECK_DBGINFO): Likewise.
8285 * varpool.c (varpool_node::assemble_decl): Do not change timevar.
8287 2016-02-10 Richard Biener <rguenther@suse.de>
8289 PR tree-optimization/69719
8290 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
8291 Adjust previous fix by ensuring that dr_a1 is left of dr_a2.
8293 2016-02-09 Andrew Pinski <apinski@cavium.com>
8296 * optabs-tree.c (expand_vec_cond_expr_p): Don't early return if
8297 get_vcond_mask_icode returns false.
8299 2016-02-09 Michael Meissner <meissner@linux.vnet.ibm.com>
8302 * config/rs6000/predicates.md (fusion_gpr_addis): Prevent fusing
8303 an ADDIS that adds a pointer to a large constant that sets the
8304 upper16 bits with a load operation.
8306 2016-02-09 Charles Baylis <charles.baylis@linaro.org>
8309 * config/arm/arm.c (arm_evpc_neon_vzip): Allow for big endian lane
8311 * config/arm/arm_neon.h (vzipq_s8): Adjust shuffle patterns for big
8313 (vzipq_s16): Likewise.
8314 (vzipq_s32): Likewise.
8315 (vzipq_f32): Likewise.
8316 (vzipq_u8): Likewise.
8317 (vzipq_u16): Likewise.
8318 (vzipq_u32): Likewise.
8319 (vzipq_p8): Likewise.
8320 (vzipq_p16): Likewise.
8322 2016-02-09 Charles Baylis <charles.baylis@linaro.org>
8325 * config/arm/arm.c (neon_endian_lane_map): New function.
8326 (neon_vector_pair_endian_lane_map): New function.
8327 (arm_evpc_neon_vuzp): Allow for big endian lane order.
8328 * config/arm/arm_neon.h (vuzpq_s8): Adjust shuffle patterns for big
8330 (vuzpq_s16): Likewise.
8331 (vuzpq_s32): Likewise.
8332 (vuzpq_f32): Likewise.
8333 (vuzpq_u8): Likewise.
8334 (vuzpq_u16): Likewise.
8335 (vuzpq_u32): Likewise.
8336 (vuzpq_p8): Likewise.
8337 (vuzpq_p16): Likewise.
8339 2016-02-11 Alexandre Oliva <aoliva@redhat.com>
8342 * regstat.c (regstat_bb_compute_calls_crossed): Disregard
8345 2016-02-09 Uros Bizjak <ubizjak@gmail.com>
8347 * config/i386/i386.md (insv<mode>_1): Use gen_int_mode to
8348 truncate const_int operand 1 to QImode.
8350 2016-02-09 Eric Botcazou <ebotcazou@adacore.com>
8352 * gimple-ssa-backprop.c (optimize_phi): Do not replace an argument
8353 corresponding to an abnormal edge.
8355 2016-02-09 Tom de Vries <tom@codesourcery.com>
8357 PR tree-optimization/69599
8358 * tree-ssa-structalias.c (fndecl_maybe_in_other_partition): New
8360 (find_func_aliases_for_builtin_call, find_func_clobbers)
8361 (ipa_pta_execute): Handle case that foo and foo._0 are not in same lto
8364 2016-02-09 Richard Biener <rguenther@suse.de>
8366 PR tree-optimization/69715
8367 * tree-ssa.c (execute_update_addresses_taken): Mark non-decl
8368 LHS on calls as non-rewritable.
8370 2016-02-09 Tom de Vries <tom@codesourcery.com>
8373 * lto-wrapper.c (append_diag_options): New function.
8374 (compile_offload_image): Call append_diag_options.
8376 2016-02-08 Sandra Loosemore <sandra@codesourcery.com>
8379 * doc/extend.texi (Flag Output Operands): Correct sectioning.
8380 Minor copy-edit to fix verb tenses.
8382 2016-02-08 Jakub Jelinek <jakub@redhat.com>
8384 PR tree-optimization/69209
8385 * ipa-split.c (split_function): If split part is not
8386 returning retval, retval has gimple type but is not
8387 gimple value, force it into a SSA_NAME first.
8389 2016-02-08 Nicklas Bo Jensen <nbjensen@gmail.com>
8391 * doc/tree-ssa.texi (Preserving the virtual SSA form): Remove
8394 2016-02-08 Jason Merrill <jason@redhat.com>
8397 * convert.c (convert_to_integer_1): Check dofold on truncation
8399 (convert_to_pointer_maybe_fold, convert_to_real_maybe_fold)
8400 (convert_to_integer_maybe_fold, convert_to_complex_maybe_fold):
8401 Rename from *_nofold.
8402 * convert.h (convert_to_pointer_nofold, convert_to_integer_nofold)
8403 (convert_to_real_nofold, convert_to_complex_nofold): New inlines.
8405 2016-02-08 Bernd Schmidt <bschmidt@redhat.com>
8408 * tree.c (build_common_tree_nodes): Remove short_double argument.
8409 All callers changed.
8410 * tree.h (build_common_tree_nodes): Adjust declaration.
8411 * doc/invoke.texi (-fshort-double): Remove documentation.
8412 * config/mips/t-img-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
8413 MULTILIB_EXCEPTIONS): Remove -fshort-double variant.
8414 * lto-wrapper.c (merge_and_complain, append_compiler_options)
8415 (append_linker_options): Don't handle OPT_fshort_double.
8417 PR rtl-optimization/68730
8418 * lra-remat.c (insn_to_cand_activation): New static variable.
8419 (lra_remat): Allocate and free it.
8420 (create_cand): New arg activation. Initialize a field in
8421 insn_to_cand_activation if it is nonnull.
8422 (create_cands): Pass the activation insn to create_cand when making
8423 a candidate involving an output reload. Reorganize code a little.
8424 (do_remat): Keep track of active status of candidates in a separate
8427 2016-02-08 Richard Biener <rguenther@suse.de>
8429 PR tree-optimization/69719
8430 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
8431 Properly use absolute of the difference of the two offsets to
8432 compare or adjust the segment length.
8434 2016-02-08 Richard Biener <rguenther@suse.de>
8435 Jeff Law <law@redhat.com>
8438 * tree-ssanames.c (make_ssa_name_fn): Always use unqualified
8439 types for anonymous SSA names.
8441 2016-02-08 Richard Biener <rguenther@suse.de>
8443 PR rtl-optimization/69274
8444 * ira.c (ira_setup_alts): Do not change recog_data.operand order.
8446 2016-02-08 Jeff Law <law@redhat.com>
8448 PR tree-optimization/65917
8449 * tree-ssa-dom.c (record_temporary_equivalences): Record both
8450 equivalences from if (x == y) style conditionals.
8451 (loop_depth_of_name): Remove.
8452 (record_equality): Remove loop depth check.
8453 * tree-ssa-scopedtables.h (const_and_copies): Refine comments.
8454 (const_and_copies::record_const_or_copy_raw): New member function.
8455 * tree-ssa-scopedtables.c
8456 (const_and_copies::record_const_or_copy_raw): New, factored out of
8457 (const_and_copies::record_const_or_copy): Call new member function.
8459 2016-02-05 Jeff Law <law@redhat.com>
8461 PR tree-optimization/68541
8462 * gimple-ssa-split-paths.c: Include tree-cfg.h and params.h.
8463 (count_stmts_in_block): New function.
8464 (poor_ifcvt_candidate_code): Likewise.
8465 (is_feasible_trace): Add some heuristics to determine when path
8466 splitting is profitable.
8467 (find_block_to_duplicate_for_splitting_paths): Make sure the graph
8468 is a diamond with a single exit.
8470 2016-02-05 Martin Sebor <msebor@redhat.com>
8473 * doc/invoke.texi: Update -Wplacement-new to take an optional
8476 2016-02-06 Richard Henderson <rth@redhat.com>
8479 * tree.c (tree_nop_conversion_p): Do not strip casts into or
8480 out of non-standard address spaces.
8482 2016-02-05 Jakub Jelinek <jakub@redhat.com>
8484 PR rtl-optimization/69691
8485 * lra-eliminations.c (move_plus_up): Don't add the addend twice.
8487 2016-02-05 Pat Haugen <pthaugen@us.ibm.com>
8489 * config/rs6000/crypto.md (crypto_vpermxor_<mode>): Correct insn type.
8490 * config/rs6000/rs6000.md (mov<mode>_hardfloat): Likewise.
8491 (*ieee128_mfvsrd_64bit): Likewise.
8492 (*ieee128_mfvsrd_32bit): Likewise.
8494 2016-02-05 Ilya Enkovich <enkovich.gnu@gmail.com>
8498 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
8500 * cgraphunit.c (cgraph_node::reset): Clear thunk info and
8501 instrumented_version.
8503 2016-01-05 Jeremy Bennett <jeremy.bennett@embecosm.com>
8505 * doc/invoke.texi (Optimize Options): In table of --param options
8506 rename second occurrence of tracer-min-branch-ratio to
8507 tracer-min-branch-probability, rename
8508 tracer-min-branch-ratio-feedback to
8509 tracer-min-branch-probability-feedback and clarify description,
8510 rename sched-spec-state-edge-prob-cutoff to
8511 sched-state-edge-prob-cutoff, rename selsched-max-insns-to-rename
8512 to selsched-insns-to-rename, rename lto-minpartition to
8513 lto-min-partition, delete reorder-blocks-duplicate and
8514 reorder-blocks-duplicate-feedback.
8516 2016-02-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
8518 * config/s390/s390.c (s390_register_info_set_ranges): Remove
8521 2016-02-05 Dominik Vogt <vogt@linux.vnet.ibm.com>
8523 * doc/extend.texi: S/390: Correct some typos.
8525 2016-02-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
8527 * config/s390/s390.c (s390_emit_call): Add missing 64 bit check.
8529 2016-02-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
8532 * config/s390/s390.c (SAVE_SLOT_NONE, SAVE_SLOT_STACK): New defines.
8533 (s390_register_info_gprtofpr): Use new macros above.
8534 (s390_register_info_stdarg_fpr): Adjust max_fpr to better match
8536 (s390_register_info_stdarg_gpr): Adjust max_gpr to better match
8537 its name. Adjust restore and save gpr ranges.
8538 (s390_register_info_set_ranges): New function.
8539 (s390_register_info): Use new macros above. Call
8540 s390_register_info_set_ranges.
8541 (s390_optimize_register_info): Likewise.
8542 (s390_hard_regno_rename_ok): Use new macros.
8543 (s390_hard_regno_scratch_ok): Likewise.
8544 (s390_emit_epilogue): Likewise.
8545 (s390_can_use_return_insn): Likewise.
8546 (s390_optimize_prologue): Likewise.
8547 * config/s390/s390.md (GPR2_REGNUM, GPR6_REGNUM): New constants.
8549 2016-02-05 Jakub Jelinek <jakub@redhat.com>
8552 * config/i386/i386.c (convert_scalars_to_vector): Readd stack
8554 (ix86_option_override_internal): Disable TARGET_STV even for
8555 -m{incoming,preferred}-stack-boundary=3.
8557 2016-02-03 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
8559 * config.gcc: Mark deprecated rtems targets as obsolete.
8561 2016-02-04 Segher Boessenkool <segher@kernel.crashing.org>
8563 PR rtl-optimization/64682
8564 PR rtl-optimization/69567
8565 * combine.c (distribute_notes) <REG_DEAD>: Place the death note
8566 before I2 only if the register is both used and set in I2.
8568 2016-02-04 DJ Delorie <dj@redhat.com>
8570 * config/msp430/msp430.c (msp430_start_function): Add function type.
8572 2016-02-04 Jakub Jelinek <jakub@redhat.com>
8575 * tree-dfa.c (get_ref_base_and_extent): Remove unreachable code.
8577 2016-02-04 Uros Bizjak <ubizjak@gmail.com>
8579 PR rtl-optimization/69577
8581 2015-10-29 Richard Henderson <rth@redhat.com>
8585 * config/i386/i386.c (ix86_cannot_change_mode_class): Tighten
8586 sse check to the exact conditions of PR 67609.
8588 2016-02-04 Michael Meissner <meissner@linux.vnet.ibm.com>
8591 * config/rs6000/rs6000.md (mov<mode>_64bit_dm): Use 'd' constraint
8592 instead of 'ws', and 'wh' instead of 'wm' since TFmode/IFmode are
8593 not allowed into the traditional Altivec registers.
8594 (movtd_64bit_nodm): Likewise.
8595 (mov<mode>_32bit, FMOVE128_FPR iterator): Likewise.
8597 2016-02-04 David Malcolm <dmalcolm@redhat.com>
8599 * config/aarch64/cortex-a57-fma-steering.c
8600 (aarch64_register_fma_steering): Remove "static" from arguments
8603 2016-02-04 Wilco Dijkstra <wdijkstr@arm.com>
8606 * ccmp.c (expand_ccmp_expr_1): Avoid evaluating gs0/gs1
8609 2016-02-04 Mike Frysinger <vapier@gentoo.org>
8611 * doc/invoke.texi: Delete -mno-fma4.
8613 2016-02-04 Richard Sandiford <richard.sandiford@arm.com>
8615 PR rtl-optimization/69577
8616 * reginfo.c (record_subregs_of_mode): Add a partial_def parameter.
8617 (find_subregs_of_mode): Update accordingly. Iterate over partial
8620 2016-02-04 Alan Lawrence <alan.lawrence@arm.com>
8622 * config/arm/arm-protos.h (neon_reinterpret): Remove.
8623 * config/arm/arm.c (neon_reinterpret): Remove.
8624 * config/arm/arm_neon_builtins.def (vreinterpretv8qi, vreinterpretv4hi,
8625 vreinterpretv2si, vreinterpretv2sf, vreinterpretdi, vreinterpretv16qi,
8626 vreinterpretv8hi, vreinterpretv4si, vreinterpretv4sf, vreinterpretv2di,
8627 vreinterpretti): Remove.
8628 * config/arm/neon.md (neon_vreinterpretv8qi<mode>,
8629 neon_vreinterpretv4hi<mode>, neon_vreinterpretv2si<mode>,
8630 neon_vreinterpretv2sf<mode>, neon_vreinterpretdi<mode>,
8631 neon_vreinterpretti<mode>, neon_vreinterpretv16qi<mode>,
8632 neon_vreinterpretv8hi<mode>, neon_vreinterpretv4si<mode>,
8633 neon_vreinterpretv4sf<mode>, neon_vreinterpretv2di<mode>): Remove.
8634 * config/arm/arm_neon.h (vreinterpret_p8_p16, vreinterpret_p8_f32,
8635 vreinterpret_p8_p64, vreinterpret_p8_s64, vreinterpret_p8_u64,
8636 vreinterpret_p8_s8, vreinterpret_p8_s16, vreinterpret_p8_s32,
8637 vreinterpret_p8_u8, vreinterpret_p8_u16, vreinterpret_p8_u32,
8638 vreinterpret_p16_p8, vreinterpret_p16_f32, vreinterpret_p16_p64,
8639 vreinterpret_p16_s64, vreinterpret_p16_u64, vreinterpret_p16_s8,
8640 vreinterpret_p16_s16, vreinterpret_p16_s32, vreinterpret_p16_u8,
8641 vreinterpret_p16_u16, vreinterpret_p16_u32, vreinterpret_f32_p8,
8642 vreinterpret_f32_p16, vreinterpret_f32_p64, vreinterpret_f32_s64,
8643 vreinterpret_f32_u64, vreinterpret_f32_s8, vreinterpret_f32_s16,
8644 vreinterpret_f32_s32, vreinterpret_f32_u8, vreinterpret_f32_u16,
8645 vreinterpret_f32_u32, vreinterpret_p64_p8, vreinterpret_p64_p16,
8646 vreinterpret_p64_f32, vreinterpret_p64_s64, vreinterpret_p64_u64,
8647 vreinterpret_p64_s8, vreinterpret_p64_s16, vreinterpret_p64_s32,
8648 vreinterpret_p64_u8, vreinterpret_p64_u16, vreinterpret_p64_u32,
8649 vreinterpret_s64_p8, vreinterpret_s64_p16, vreinterpret_s64_f32,
8650 vreinterpret_s64_p64, vreinterpret_s64_u64, vreinterpret_s64_s8,
8651 vreinterpret_s64_s16, vreinterpret_s64_s32, vreinterpret_s64_u8,
8652 vreinterpret_s64_u16, vreinterpret_s64_u32, vreinterpret_u64_p8,
8653 vreinterpret_u64_p16, vreinterpret_u64_f32, vreinterpret_u64_p64,
8654 vreinterpret_u64_s64, vreinterpret_u64_s8, vreinterpret_u64_s16,
8655 vreinterpret_u64_s32, vreinterpret_u64_u8, vreinterpret_u64_u16,
8656 vreinterpret_u64_u32, vreinterpret_s8_p8, vreinterpret_s8_p16,
8657 vreinterpret_s8_f32, vreinterpret_s8_p64, vreinterpret_s8_s64,
8658 vreinterpret_s8_u64, vreinterpret_s8_s16, vreinterpret_s8_s32,
8659 vreinterpret_s8_u8, vreinterpret_s8_u16, vreinterpret_s8_u32,
8660 vreinterpret_s16_p8, vreinterpret_s16_p16, vreinterpret_s16_f32,
8661 vreinterpret_s16_p64, vreinterpret_s16_s64, vreinterpret_s16_u64,
8662 vreinterpret_s16_s8, vreinterpret_s16_s32, vreinterpret_s16_u8,
8663 vreinterpret_s16_u16, vreinterpret_s16_u32, vreinterpret_s32_p8,
8664 vreinterpret_s32_p16, vreinterpret_s32_f32, vreinterpret_s32_p64,
8665 vreinterpret_s32_s64, vreinterpret_s32_u64, vreinterpret_s32_s8,
8666 vreinterpret_s32_s16, vreinterpret_s32_u8, vreinterpret_s32_u16,
8667 vreinterpret_s32_u32, vreinterpret_u8_p8, vreinterpret_u8_p16,
8668 vreinterpret_u8_f32, vreinterpret_u8_p64, vreinterpret_u8_s64,
8669 vreinterpret_u8_u64, vreinterpret_u8_s8, vreinterpret_u8_s16,
8670 vreinterpret_u8_s32, vreinterpret_u8_u16, vreinterpret_u8_u32,
8671 vreinterpret_u16_p8, vreinterpret_u16_p16, vreinterpret_u16_f32,
8672 vreinterpret_u16_p64, vreinterpret_u16_s64, vreinterpret_u16_u64,
8673 vreinterpret_u16_s8, vreinterpret_u16_s16, vreinterpret_u16_s32,
8674 vreinterpret_u16_u8, vreinterpret_u16_u32, vreinterpret_u32_p8,
8675 vreinterpret_u32_p16, vreinterpret_u32_f32, vreinterpret_u32_p64,
8676 vreinterpret_u32_s64, vreinterpret_u32_u64, vreinterpret_u32_s8,
8677 vreinterpret_u32_s16, vreinterpret_u32_s32, vreinterpret_u32_u8,
8678 vreinterpret_u32_u16, vreinterpretq_p8_p16, vreinterpretq_p8_f32,
8679 vreinterpretq_p8_p64, vreinterpretq_p8_p128, vreinterpretq_p8_s64,
8680 vreinterpretq_p8_u64, vreinterpretq_p8_s8, vreinterpretq_p8_s16,
8681 vreinterpretq_p8_s32, vreinterpretq_p8_u8, vreinterpretq_p8_u16,
8682 vreinterpretq_p8_u32, vreinterpretq_p16_p8, vreinterpretq_p16_f32,
8683 vreinterpretq_p16_p64, vreinterpretq_p16_p128, vreinterpretq_p16_s64,
8684 vreinterpretq_p16_u64, vreinterpretq_p16_s8, vreinterpretq_p16_s16,
8685 vreinterpretq_p16_s32, vreinterpretq_p16_u8, vreinterpretq_p16_u16,
8686 vreinterpretq_p16_u32, vreinterpretq_f32_p8, vreinterpretq_f32_p16,
8687 vreinterpretq_f32_p64, vreinterpretq_f32_p128, vreinterpretq_f32_s64,
8688 vreinterpretq_f32_u64, vreinterpretq_f32_s8, vreinterpretq_f32_s16,
8689 vreinterpretq_f32_s32, vreinterpretq_f32_u8, vreinterpretq_f32_u16,
8690 vreinterpretq_f32_u32, vreinterpretq_p64_p8, vreinterpretq_p64_p16,
8691 vreinterpretq_p64_f32, vreinterpretq_p64_p128, vreinterpretq_p64_s64,
8692 vreinterpretq_p64_u64, vreinterpretq_p64_s8, vreinterpretq_p64_s16,
8693 vreinterpretq_p64_s32, vreinterpretq_p64_u8, vreinterpretq_p64_u16,
8694 vreinterpretq_p64_u32, vreinterpretq_p128_p8, vreinterpretq_p128_p16,
8695 vreinterpretq_p128_f32, vreinterpretq_p128_p64, vreinterpretq_p128_s64,
8696 vreinterpretq_p128_u64, vreinterpretq_p128_s8, vreinterpretq_p128_s16,
8697 vreinterpretq_p128_s32, vreinterpretq_p128_u8, vreinterpretq_p128_u16,
8698 vreinterpretq_p128_u32, vreinterpretq_s64_p8, vreinterpretq_s64_p16,
8699 vreinterpretq_s64_f32, vreinterpretq_s64_p64, vreinterpretq_s64_p128,
8700 vreinterpretq_s64_u64, vreinterpretq_s64_s8, vreinterpretq_s64_s16,
8701 vreinterpretq_s64_s32, vreinterpretq_s64_u8, vreinterpretq_s64_u16,
8702 vreinterpretq_s64_u32, vreinterpretq_u64_p8, vreinterpretq_u64_p16,
8703 vreinterpretq_u64_f32, vreinterpretq_u64_p64, vreinterpretq_u64_p128,
8704 vreinterpretq_u64_s64, vreinterpretq_u64_s8, vreinterpretq_u64_s16,
8705 vreinterpretq_u64_s32, vreinterpretq_u64_u8, vreinterpretq_u64_u16,
8706 vreinterpretq_u64_u32, vreinterpretq_s8_p8, vreinterpretq_s8_p16,
8707 vreinterpretq_s8_f32, vreinterpretq_s8_p64, vreinterpretq_s8_p128,
8708 vreinterpretq_s8_s64, vreinterpretq_s8_u64, vreinterpretq_s8_s16,
8709 vreinterpretq_s8_s32, vreinterpretq_s8_u8, vreinterpretq_s8_u16,
8710 vreinterpretq_s8_u32, vreinterpretq_s16_p8, vreinterpretq_s16_p16,
8711 vreinterpretq_s16_f32, vreinterpretq_s16_p64, vreinterpretq_s16_p128,
8712 vreinterpretq_s16_s64, vreinterpretq_s16_u64, vreinterpretq_s16_s8,
8713 vreinterpretq_s16_s32, vreinterpretq_s16_u8, vreinterpretq_s16_u16,
8714 vreinterpretq_s16_u32, vreinterpretq_s32_p8, vreinterpretq_s32_p16,
8715 vreinterpretq_s32_f16, vreinterpretq_s32_f32, vreinterpretq_s32_p64,
8716 vreinterpretq_s32_p128, vreinterpretq_s32_s64, vreinterpretq_s32_u64,
8717 vreinterpretq_s32_s8, vreinterpretq_s32_s16, vreinterpretq_s32_u8,
8718 vreinterpretq_s32_u16, vreinterpretq_s32_u32, vreinterpretq_u8_p8,
8719 vreinterpretq_u8_p16, vreinterpretq_u8_f32, vreinterpretq_u8_p64,
8720 vreinterpretq_u8_p128, vreinterpretq_u8_s64, vreinterpretq_u8_u64,
8721 vreinterpretq_u8_s8, vreinterpretq_u8_s16, vreinterpretq_u8_s32,
8722 vreinterpretq_u8_u16, vreinterpretq_u8_u32, vreinterpretq_u16_p8,
8723 vreinterpretq_u16_p16, vreinterpretq_u16_f32, vreinterpretq_u16_p64,
8724 vreinterpretq_u16_p128, vreinterpretq_u16_s64, vreinterpretq_u16_u64,
8725 vreinterpretq_u16_s8, vreinterpretq_u16_s16, vreinterpretq_u16_s32,
8726 vreinterpretq_u16_u8, vreinterpretq_u16_u32, vreinterpretq_u32_p8,
8727 vreinterpretq_u32_p16, vreinterpretq_u32_f32, vreinterpretq_u32_p64,
8728 vreinterpretq_u32_p128, vreinterpretq_u32_s64, vreinterpretq_u32_u64,
8729 vreinterpretq_u32_s8, vreinterpretq_u32_s16, vreinterpretq_u32_s32,
8730 vreinterpretq_u32_u8, vreinterpretq_u32_u16): Rewrite using casts.
8732 2016-02-04 Martin Liska <mliska@suse.cz>
8735 * asan.c (has_stmt_been_instrumented_p): Instrument gimple calls
8736 that are gimple_store_p.
8737 (maybe_instrument_call): Likewise.
8739 2016-02-04 Bin Cheng <bin.cheng@arm.com>
8741 * config/aarch64/aarch64.c (aarch64_legitimize_address): Force
8742 register scaling out of memory reference and comment why.
8744 2016-02-04 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
8748 * cse.c (cse_insn): Pass NULL to fold_rtx when initially
8749 folding the source of a SET.
8751 2016-02-04 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
8755 * config/arm/arm.c (arm_new_rtx_costs, MULT case): Properly extract
8756 the operands of the SIGN_EXTENDs from a SMUL[TB][TB] rtx.
8758 2016-02-04 Jim Wilson <jim.wilson@linaro.org>
8762 * config/arm/arm.h (PROMOTE_MODE): Don't set UNSIGNEDP for QImode and
8765 2016-02-04 Christian Bruel <christian.bruel@st.com>
8767 * config/arm/arm-c.c (arm_reset_previous_fndecl): Style fix and typo.
8768 * config/arm/arm.c (arm_set_current_function): Likewise.
8770 2016-02-04 Jakub Jelinek <jakub@redhat.com>
8771 Ilya Enkovich <enkovich.gnu@gmail.com>
8772 H.J. Lu <hongjiu.lu@intel.com>
8775 * config/i386/i386.c (convert_scalars_to_vector): Remove
8776 stack alignment fixes.
8777 (ix86_option_override_internal): Disable TARGET_STV if stack
8778 might not be aligned enough.
8779 (ix86_minimum_alignment): Assert that TARGET_STV is false.
8781 2016-02-04 Victoria Stepanyan <victoria.stepanyan@amd.com>
8783 * gcc/config/i386/x86-tune.def: Disable default prefetching
8786 2016-02-03 Michael Meissner <meissner@linux.vnet.ibm.com>
8787 Vladimir Makarov <vmakarov@redhat.com>
8790 * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Fix thinko
8791 in validating fused toc addresses.
8793 2016-02-03 Jakub Jelinek <jakub@redhat.com>
8796 * diagnostic-show-locus.c (layout::get_state_at_point): Don't read
8797 range->m_caret fields if range->m_show_caret_p is false.
8800 * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
8801 Force oldval into register if it does not satisfy reg_or_short_operand
8802 predicate. Fix up formatting.
8804 2016-02-03 Vladimir Makarov <vmakarov@redhat.com>
8805 Alexandre Oliva <aoliva@redhat.com>
8808 * lra-constraints.c (simplify_operand_subreg): Check additionally
8809 address validity after potential reloading.
8810 (process_address_1): Check insns validity. In case of failure do
8813 2016-02-03 Kirill Yukhin <kirill.yukhin@intel.com>
8816 * config/i386/sse.md (define_insn "avx512f_maskcmp<mode>3"):
8819 2016-02-02 Jakub Jelinek <jakub@redhat.com>
8821 * wide-int.cc (canonize_uhwi): New function.
8822 (wi::divmod_internal): Use it.
8824 2016-02-02 James Norris <jnorris@codesourcery.com
8826 * gimplify.c (omp_notice_variable): Add usage check.
8828 2016-02-02 Alexander Monakov <amonakov@ispras.ru>
8830 * config/nvptx/nvptx.c (nvptx_print_operand): Treat LEU, GEU, LTU, GTU
8831 like LE, GE, LT, GT when emitting relational operator.
8833 2016-02-02 Wilco Dijkstra <wdijkstr@arm.com>
8835 * ira-costs.c (find_costs_and_classes): Add extra argument.
8836 * target.def (ira_change_pseudo_allocno_class): Add parameter.
8837 * targhooks.h (ira_change_pseudo_allocno_class): Likewise.
8838 * targhooks.c (ira_change_pseudo_allocno_class): Likewise.
8839 * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class)
8840 Add best_class parameter, and return it if not ALL_REGS.
8841 * config/mips/mips.c (mips_ira_change_pseudo_allocno_class):
8843 * doc/tm.texi (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS):
8846 2016-02-02 Wilco Dijkstra <wdijkstr@arm.com>
8848 * config/aarch64/aarch64.c
8849 (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): New define.
8850 (aarch64_ira_change_pseudo_allocno_class): New function.
8852 2016-02-02 Uros Bizjak <ubizjak@gmail.com>
8855 * config/i386/i386.c (geode_cost): Increase cost of MMX and SSE moves.
8857 2016-02-02 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
8859 * config/avr/avr.c (avr_option_override): Set
8860 PARAM_ALLOW_STORE_DATA_RACES to 1.
8862 2016-02-02 Richard Biener <rguenther@suse.de>
8864 PR tree-optimization/69595
8865 * match.pd: Add range test simplifications to true/false.
8867 2016-02-02 Thomas Schwinge <thomas@codesourcery.com>
8869 * omp-builtins.def (BUILT_IN_GOACC_HOST_DATA): Remove.
8870 * omp-low.c (expand_omp_target): Use BUILT_IN_GOACC_DATA_START
8873 2016-02-02 Richard Biener <rguenther@suse.de>
8875 PR tree-optimization/69606
8876 * tree-ssa-math-opts.c (bswap_replace): Clear flow sensitive
8877 info on the result before moving a stmt.
8879 2016-02-02 Yuri Rumyantsev <ysrumyan@gmail.com>
8882 * config/i386/i386.c (ix86_expand_branch): Add support for conditional
8883 branch with vector comparison.
8884 * config/i386/sse.md (VI48_AVX): New mode iterator.
8885 (define_expand "cbranch<mode>4): Add support for conditional branch
8886 with vector comparison.
8887 * tree-vect-loop.c (optimize_mask_stores): New function.
8888 * tree-vect-stmts.c (vectorizable_mask_load_store): Initialize
8889 has_mask_store field of vect_info.
8890 * tree-vectorizer.c (vectorize_loops): Invoke optimaze_mask_stores for
8891 vectorized loops having masked stores after vec_info destroy.
8892 * tree-vectorizer.h (loop_vec_info): Add new has_mask_store field and
8893 correspondent macros.
8894 (optimize_mask_stores): Add prototype.
8896 2016-02-02 Alan Modra <amodra@gmail.com>
8899 * config/rs6000/predicates.md (quad_int_reg_operand): Don't
8902 2016-02-02 Alan Modra <amodra@gmail.com>
8905 * config/rs6000/rs6000.c (need_toc_init): New var, set it
8906 whenever toc_label_name used.
8907 (rs6000_file_start): Don't set up toc section here,
8908 (rs6000_output_function_epilogue): do so here instead,
8909 (rs6000_xcoff_file_start): and here.
8910 * config/rs6000/rs6000.md (load_toc_aix_si): Set need_toc_init.
8911 (load_toc_aix_di): Likewise.
8913 2016-02-01 Jakub Jelinek <jakub@redhat.com>
8915 PR rtl-optimization/69592
8916 * rtlanal.c (nonzero_bits_binary_arith_p): New inline function.
8917 (cached_nonzero_bits): Use it instead of ARITHMETIC_P.
8918 (num_sign_bit_copies_binary_arith_p): New inline function.
8919 (cached_num_sign_bit_copies): Use it instead of ARITHMETIC_P.
8921 2016-02-01 Jeff Law <law@redhat.com>
8923 PR tree-optimization/69580
8924 * params.def (FSM_MAXIMUM_PHI_ARGUMENTS): New param.
8925 * tree-ssa-threadbackward.c
8926 (fsm_find_control_statement_thread_paths): Do not try to walk
8927 through large PHI nodes.
8929 2016-02-01 Jakub Jelinek <jakub@redhat.com>
8931 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return false
8932 when count is incremented above limit, don't analyze further
8935 * omp-low.c (oacc_parse_default_dims): Avoid
8936 -Wsign-compare warning, make sure value fits into int
8937 rather than just unsigned int.
8939 2016-02-01 Bin Cheng <bin.cheng@arm.com>
8941 PR tree-optimization/67921
8942 * fold-const.c (split_tree): New parameters. Convert pointer
8943 type variable part to proper type before negating.
8944 (fold_binary_loc): Pass new arguments to split_tree.
8946 2016-02-01 Nathan Sidwell <nathan@codesourcery.com>
8948 * config/nvptx/nvptx.c (PTX_GANG_DEFAULT): New.
8949 (nvptx_goacc_validate_dims): Extend to handle global defaults.
8950 * target.def (OACC_VALIDATE_DIMS): Extend documentation.
8951 * doc/tm.texti: Rebuilt.
8952 * doc/invoke.texi (fopenacc-dim): Document.
8953 * lto-wrapper.c (merge_and_complain): Add OPT_fopenacc_dim_ case.
8954 (append_compiler_options): Likewise.
8955 * omp-low.c (oacc_default_dims, oacc_min_dims): New.
8956 (oacc_parse_default_dims): New.
8957 (oacc_validate_dims): Add USED arg. Select non-unity default when
8959 (oacc_loop_fixed_partitions): Return mask of used partitions.
8960 (oacc_loop_auto_partitions): Emit dump info.
8961 (oacc_loop_partition): Return mask of used partitions.
8962 (execute_oacc_device_lower): Parse default dimension arg. Adjust
8963 loop partitioning and validation calls.
8965 2016-02-01 Richard Biener <rguenther@suse.de>
8968 * match.pd: Guard (C1/X)*C2 -> (C1*C2)/X with single_use.
8970 2016-02-01 Richard Biener <rguenther@suse.de>
8972 PR tree-optimization/69574
8973 * tree-chrec.c (hide_evolution_in_other_loops_than_loop): Instead
8974 of asserting return chrec_dont_know.
8976 2016-02-01 Martin Liska <mliska@suse.cz>
8978 * mem-stats-traits.h: Add copyright header.
8979 * mem-stats.h: Likewise.
8981 2016-02-01 Richard Biener <rguenther@suse.de>
8983 PR tree-optimization/69579
8984 * tree-ssa-loop-ivcanon.c (propagate_constants_for_unrolling):
8985 Do not propagate through abnormal PHI results.
8987 2016-02-01 Eric Botcazou <ebotcazou@adacore.com>
8989 * postreload.c (reload_cse_simplify): Remove dead code.
8991 2016-02-01 Jakub Jelinek <jakub@redhat.com>
8993 PR rtl-optimization/69570
8994 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return true only
8995 if there is more than one set, not if there is a single set.
8997 2016-02-01 Richard Henderson <rth@redhat.com>
9000 * combine.c (make_compound_operation): When looking through a
9001 subreg, make sure to re-extend to the width of the outer mode.
9003 2016-01-30 Jakub Jelinek <jakub@redhat.com>
9005 PR tree-optimization/69546
9006 * wide-int.cc (wi::divmod_internal): For unsigned division
9007 where both operands fit into uhwi, if o1 is 1 and o0 has
9008 msb set, if divident_prec is larger than bits per hwi,
9009 clear another quotient word and return 2 instead of 1.
9010 Similarly for remainder with msb in HWI set, if dividend_prec
9011 is larger than bits per hwi.
9013 2016-01-29 Martin Jambor <mjambor@suse.cz>
9015 * hsa-gen.c (get_memory_order_name): Mask with MEMMODEL_BASE_MASK.
9016 Use short lowercase names.
9017 (get_memory_order): Mask with MEMMODEL_BASE_MASK. Support
9018 MEMMODEL_CONSUME with acquire semantics and MEMMODEL_SEQ_CST with
9019 acq_rel one. Protect warning agains segfaults if
9020 get_memory_order_name returns NULL.
9021 (gen_hsa_ternary_atomic_for_builtin): Support with MEMMODEL_SEQ_CST
9022 with release semantics. Do not warn if get_memory_order already did.
9023 (gen_hsa_insns_for_call): Support with MEMMODEL_SEQ_CST with acquire
9024 semantics. Fix check for relaxed or acquire semantics. Do not warn
9025 if get_memory_order already did.
9027 2016-01-29 Sebastian Pop <s.pop@samsung.com>
9029 * doc/install.texi: Document that isl-0.16 is supported.
9031 2016-01-29 Vladimir Makarov <vmakarov@redhat.com>
9034 * config/i386/constraints.md (Bm): Describe as special memory
9036 * doc/md.texi (DEFINE_SPECIAL_MEMORY_CONSTRAINT): Describe it.
9037 * genoutput.c (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
9038 * genpreds.c (struct constraint_data): Add is_special_memory.
9039 (have_special_memory_constraints, special_memory_start): New
9041 (special_memory_end): Ditto.
9042 (add_constraint): Add new arg is_special_memory. Add code to
9043 process its true value. Update have_special_memory_constraints.
9044 (process_define_constraint): Pass the new arg.
9045 (process_define_register_constraint): Ditto.
9046 (choose_enum_order): Process special memory.
9047 (write_tm_preds_h): Generate enum const CT_SPECIAL_MEMORY and
9048 function insn_extra_special_memory_constraint.
9049 (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
9050 * gensupport.c (process_rtx): Process
9051 DEFINE_SPECIAL_MEMORY_CONSTRAINT.
9052 * ira-costs.c (record_reg_classes): Process CT_SPECIAL_MEMORY.
9053 * ira-lives.c (single_reg_class): Use
9054 insn_extra_special_memory_constraint.
9055 * ira.c (ira_setup_alts): Process CT_SPECIAL_MEMORY.
9056 * lra-constraints.c (process_alt_operands): Ditto.
9057 (curr_insn_transform): Use insn_extra_special_memory_constraint.
9058 * recog.c (asm_operand_ok, preprocess_constraints): Process
9060 * reload.c (find_reloads): Ditto.
9061 * rtl.def (DEFINE_SPECIFAL_MEMORY_CONSTRAINT): New.
9062 * stmt.c (parse_input_constraint): Use
9063 insn_extra_special_memory_constraint.
9065 2016-01-29 H.J. Lu <hongjiu.lu@intel.com>
9068 * lra-splill.c (lra_final_code_change): Revert r229087 by
9069 removing all sub-registers.
9071 2016-01-29 Steve Ellcey <sellcey@imgtec.com>
9074 * config/mips/mips.c (mips_output_division): Check flag_delayed_branch.
9076 2016-01-29 Jakub Jelinek <jakub@redhat.com>
9079 * config/i386/i386.c (ix86_expand_vector_set) <case V4SImode>: For
9080 SSE1, copy target into the temporary reg first before recursing
9083 2016-01-29 H.J. Lu <hongjiu.lu@intel.com>
9085 * config/i386/sse.md (sse2_cvtps2pd<mask_name>): Replace vBm
9088 2016-01-29 Jonathan Wakely <jwakely@redhat.com>
9090 * ginclude/stdarg.h: Test __cplusplus instead of
9091 __GXX_EXPERIMENTAL_CXX0X__.
9093 2016-01-29 Richard Biener <rguenther@suse.de>
9095 PR tree-optimization/69547
9096 * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
9097 Do not mark clobbers necessary.
9098 (mark_all_reaching_defs_necessary_1): Likewise.
9100 2016-01-29 Dominik Vogt <vogt@linux.vnet.ibm.com>
9102 * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Format
9103 declaration name with %qs and print it in both error messages.
9104 Also fix indentation.
9106 2016-01-29 Dominik Vogt <vogt@linux.vnet.ibm.com>
9109 * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Remove
9110 trailing blank line from error message.
9112 2016-01-29 Jonathan Wakely <jwakely@redhat.com>
9115 * ginclude/float.h: Also provide FLT_EVAL_METHOD and DECIMAL_DIG
9118 2016-01-29 Richard Biener <rguenther@suse.de>
9121 * match.pd: Allow all integral types when simplifying a
9122 widening or sign-changing conversion.
9124 2016-01-28 Sebastian Pop <s.pop@samsung.com>
9126 * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Revert assert
9127 back to setting codegen_error to fail codegen.
9129 2016-01-28 Uros Bizjak <ubizjak@gmail.com>
9132 * config/i386/constraints.md (C): Only accept constant zero operand.
9133 (BC): New constraint.
9134 * config/i386/sse.md (*mov<mode>_internal): Use BC constraint
9135 instead of C constraint.
9136 * doc/md.texi (Machine Constraints): Update description
9139 2016-01-28 Steve Ellcey <sellcey@imgtec.com>
9142 * config/mips/mips.c (and_operands_ok): Add MIPS16 check.
9144 2016-01-28 Jakub Jelinek <jakub@redhat.com>
9147 * lra-remat.c (calculate_local_reg_remat_bb_data): Only consider
9150 2016-01-28 Pat Haugen <pthaugen@us.ibm.com>
9152 * config/rs6000/rs6000.c (output_cbranch): Don't statically predict
9153 branches if using guessed profile.
9155 2016-01-28 H.J. Lu <hongjiu.lu@intel.com>
9157 * graphite-optimize-isl.c (optimize_isl): Fix dump.
9159 2016-01-28 Richard Henderson <rth@redhat.com>
9162 * config/aarch64/aarch64-modes.def (CC_Cmode): New
9163 * config/aarch64/aarch64-protos.h: Update.
9164 * config/aarch64/aarch64.c (aarch64_zero_extend_const_eq): New.
9165 (aarch64_select_cc_mode): Add check for use of CC_Cmode.
9166 (aarch64_get_condition_code_1): Handle CC_Cmode.
9167 * config/aarch64/aarch64.md (addti3): Use adddi3_compareC.
9168 (*add<mode>3_compareC_cconly_imm): New.
9169 (*add<mode>3_compareC_cconly): New.
9170 (*add<mode>3_compareC_imm): New.
9171 (add<mode>3_compareC): New.
9172 (add<mode>3_carryin, *addsi3_carryin_uxtw): Sort compare operand
9173 to be first. Use aarch64_carry_operation.
9174 (*add<mode>3_carryin_alt1, *addsi3_carryin_alt1_uxtw): Remove.
9175 (*add<mode>3_carryin_alt2, *addsi3_carryin_alt2_uxtw): Remove.
9176 (*add<mode>3_carryin_alt3, *addsi3_carryin_alt3_uxtw): Remove.
9177 (subti3): Use subdi3_compare1.
9178 (*sub<mode>3_compare0): Rename from sub<mode>3_compare0.
9179 (sub<mode>3_compare1): New.
9180 (*sub<mode>3_carryin0, *subsi3_carryin_uxtw): New.
9181 (*sub<mode>3_carryin): Use aarch64_borrow_operation.
9182 (*subsi3_carryin_uxtw): Likewise.
9183 (*ngc<mode>, *ngcsi_uxtw): Likewise.
9184 (*sub<mode>3_carryin_alt, *subsi3_carryin_alt_uxtw): New.
9185 * config/aarch64/iterators.md (DWI): New.
9186 * config/aarch64/predicates.md (aarch64_carry_operation): New.
9187 (aarch64_borrow_operation): New.
9189 2016-01-28 Abderrazek Zaafrani <a.zaafrani@samsung.com>
9191 * graphite-optimize-isl.c (optimize_isl): Print a different debug
9192 message when isl does not return a valid schedule.
9194 2016-01-28 Sebastian Pop <s.pop@samsung.com>
9196 * graphite-isl-ast-to-gimple.c (class translate_isl_ast_to_gimple):
9197 Remove comments from class declarations: they are already in the code
9200 2016-01-28 Sebastian Pop <s.pop@samsung.com>
9202 * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Call
9204 (ternary_op_to_tree): Same.
9205 (unary_op_to_tree): Same.
9206 (nary_op_to_tree): Same.
9207 (gcc_expression_from_isl_expr_op): Same.
9208 (gcc_expression_from_isl_expression): Same.
9209 (graphite_create_new_loop): Same.
9210 (graphite_create_new_loop_guard): Same.
9211 (build_iv_mapping): Same.
9212 (graphite_create_new_guard): Same.
9213 (translate_isl_ast_to_gimple::copy_loop_phi_nodes): Same.
9214 (translate_isl_ast_to_gimple::translate_pending_phi_nodes): Same.
9216 2016-01-28 Sebastian Pop <s.pop@samsung.com>
9218 * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Assert
9219 instead of setting codegen_error to fail codegen.
9221 2016-01-28 Jason Merrill <jason@redhat.com>
9223 * tree.h (BINFO_FLAG_0): Rename from BINFO_MARKED.
9225 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
9227 * config/aarch64/aarch64.c (aarch64_if_then_else_costs):
9228 Remove CONST_INT_P check in CCMP cost calculation.
9230 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
9232 * config/aarch64/aarch64.c (generic_vector_cost):
9233 Set vec_permute_cost.
9234 (cortexa57_vector_cost): Likewise.
9235 (exynosm1_vector_cost): Likewise.
9236 (xgene1_vector_cost): Likewise.
9237 (aarch64_builtin_vectorization_cost): Use vec_permute_cost.
9238 * config/aarch64/aarch64-protos.h (cpu_vector_cost):
9239 Add vec_permute_cost entry.
9241 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
9243 * config/aarch64/aarch64.md (ccmp<mode>): Disassemble
9245 (add<mode>3_compare0): Likewise.
9246 (addsi3_compare0_uxtw): Likewise.
9247 (add<mode>3nr_compare0): Likewise.
9248 (compare_neg<mode>): Likewise.
9249 (<optab><mode>3): Likewise.
9251 2016-01-28 Ilya Enkovich <enkovich.gnu@gmail.com>
9253 * tree-vect-stmts.c (vectorizable_comparison): Add
9254 NULL check for vectype.
9256 2016-01-28 Richard Biener <rguenther@suse.de>
9258 PR tree-optimization/69466
9259 * tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
9260 Account for PHIs we couldn't duplicate.
9262 2016-01-28 Martin Liska <mliska@suse.cz>
9265 * ggc-common.c (gt_pch_save): Use ENABLE_VALGRIND_ANNOTATIONS macro
9266 instead of ENABLE_VALGRIND_CHECKING.
9268 2016-01-27 Richard Henderson <rth@redhat.com>
9271 * lra-remat.c (subreg_regs): New.
9272 (dump_candidates_and_remat_bb_data): Dump it.
9273 (operand_to_remat): Reject if operand in subreg_regs.
9274 (set_bb_regs): Collect subreg_regs.
9275 (lra_remat): Init and free subreg_regs. Compute
9276 calculate_local_reg_remat_bb_data before create_cands.
9278 2016-01-27 H.J. Lu <hongjiu.lu@intel.com>
9281 * config/i386/i386.c (ix86_update_stack_boundary): Don't
9282 change stack_alignment_needed for __tls_get_addr call.
9284 2016-01-27 Segher Boessenkool <segher@kernel.crashing.org>
9286 * config/rs6000/rs6000.c (print_operand): Rollback 's' removal.
9288 2016-01-27 Jeff Law <law@redhat.com>
9290 PR tree-optimization/68398
9291 PR tree-optimization/69196
9292 * params.def (PARAM_FSM_SCALE_PATH_STMTS): New parameter.
9293 (PARAM_FSM_SCALE_PATH_BLOCKS): Likewise.
9294 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
9295 Only count PHIs in the last block in the path. The others will
9296 const/copy propagate away. Add heuristic to allow more irreducible
9297 subloops to be created when it is likely profitable to do so.
9299 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
9300 Fix typo in comment. Use gsi_after_labels and remove the GIMPLE_LABEL
9301 check from within the loop. Use gsi_next_nondebug rather than gsi_next.
9303 2016-01-27 Jakub Jelinek <jakub@redhat.com>
9306 * sanitizer.def: Add BEGIN_SANITIZER_BUILTINS and
9307 END_SANITIZER_BUILTINS markers using DEF_BUILTIN_STUB.
9308 * asan.c (DEF_BUILTIN_STUB): Temporarily define.
9309 * tree-streamer-in.c: Include asan.h.
9310 (streamer_get_builtin_tree): For builtins in sanitizer
9311 range call initialize_sanitizer_builtins and retry.
9313 2016-01-27 Ian Lance Taylor <iant@google.com>
9315 * common.opt (fkeep-gc-roots-live): New undocumented option.
9316 * tree-ssa-loop-ivopts.c (add_candidate_1): If
9317 -fkeep-gc-roots-live, skip pointers.
9318 (add_iv_candidate_for_biv): Handle add_candidate_1 returning
9321 2016-01-27 Uros Bizjak <ubizjak@gmail.com>
9324 * config/i386/i386.md (*zext<mode>_doubleword_and): New pattern.
9325 (*zext<mode>_doubleword): Disable for TARGET_ZERO_EXTEND_WITH_AND.
9327 2016-01-27 Thomas Klausner <wiz@NetBSD.org>
9330 * configure.ac: NetBSD provides SSP in its C library.
9331 * configure: Updated.
9333 2016-01-27 Richard Biener <rguenther@suse.de>
9335 PR tree-optimization/69166
9336 * tree-vect-loop.c (vect_is_simple_reduction): Always check
9337 reduction code for commutativity / associativity.
9339 2016-01-27 Martin Jambor <mjambor@suse.cz>
9341 PR tree-optimization/69355
9342 * tree-sra.c (analyze_access_subtree): Correct hole detection when
9343 total_scalarization fails.
9345 2016-01-27 David Edelsohn <dje.gcc@gmail.com>
9347 * config/rs6000/driver-rs6000.c (detect_processor_aix): Add
9350 2016-01-27 Christian Bruel <christian.bruel@st.com>
9353 * config/arm/arm-c.c (arm_pragma_target_parse): Add comments.
9354 Move arm_reset_previous_fndecl and set_target_option_current_node in
9355 the conditional part. Call save_restore_target_globals.
9356 * config/arm/arm.c (arm_set_current_function):
9357 Refactor to better support #pragma target and attribute mix.
9358 Call save_restore_target_globals.
9359 * config/arm/arm-protos.h (save_restore_target_globals): New function.
9361 2016-01-27 Martin Liska <mliska@suse.cz>
9363 * hsa.c (hsa_summary_t::link_functions): Create IPA_REF_ADDR
9364 reference for an HSA kernel and its host function.
9366 2016-01-27 Jakub Jelinek <jakub@redhat.com>
9368 PR tree-optimization/69399
9369 * wide-int.h (wi::lrshift): For larger precisions, only
9370 use fast path if shift is known to be < HOST_BITS_PER_WIDE_INT.
9372 2016-01-27 Claudiu Zissulescu <claziss@synopsys.com>
9374 * config/arc/predicates.md (proper_comparison_operator): Reject
9375 constant-constant comparison.
9377 2016-01-26 Tom de Vries <tom@codesourcery.com>
9379 PR tree-optimization/69110
9380 * tree-data-ref.c (initialize_data_dependence_relation): Handle
9381 DR_NUM_DIMENSIONS == 0.
9383 2016-01-26 Abderrazek Zaafrani <a.zaafrani@samsung.com>
9384 Sebastian Pop <s.pop@samsung.com>
9386 * graphite-isl-ast-to-gimple.c (ternary_op_to_tree): Handle
9387 isl_ast_op_cond and isl_ast_op_select.
9388 (gcc_expression_from_isl_expr_op): Same.
9390 2016-01-26 Jason Merrill <jason@redhat.com>
9393 * tree.c (recompute_constructor_flags): Split out from
9395 (verify_constructor_flags): New.
9396 * tree.h: Declare them.
9398 2016-01-26 Iain Buclaw <ibuclaw@gdcproject.org>
9400 PR rtl-optimization/69217
9401 * var-tracking.c (tracked_record_parameter_p): Don't segfault if there
9402 are no TYPE_FIELDS set for the record type.
9404 2016-01-26 Jakub Jelinek <jakub@redhat.com>
9407 * config/rs6000/rs6000.c (rs6000_option_override_internal): Initialize
9408 toc_label_name unconditionally.
9409 (rs6000_emit_load_toc_table): Call ggc_strdup on toc_label_name for
9410 SYMBOL_REF string. Use toc_label_name instead of constructing
9412 (rs6000_elf_declare_function_name): Use toc_label_name instead of
9413 constructing LCTOC1.
9415 2016-01-26 Martin Sebor <msebor@redhat.com>
9418 * doc/extend.texi (Common Type Attributes): Move text that talks about
9419 attribute packed from attribute aligned to the section discussing
9420 the former attribute for clarity.
9422 2016-01-26 Richard Henderson <rth@redhat.com>
9425 * trans-mem.c (tm_region_init): Mark entry block as visited.
9427 2016-01-26 David Malcolm <dmalcolm@redhat.com>
9430 * diagnostic-show-locus.c (layout::print_source_line): Replace
9431 call to pp_newline with call to layout::print_newline.
9432 (layout::print_annotation_line): Likewise.
9433 (layout::move_to_column): Likewise.
9434 (layout::print_any_fixits): After printing any fixits, print a
9435 trailing newline, if necessary.
9436 (layout::print_newline): New method, resetting any colorization
9438 (diagnostic_show_locus): Move the pp_newline to before the
9439 early bailout. Remove dummy block enclosing the layout instance.
9440 * diagnostic.c (default_diagnostic_finalizer): Replace invocation
9441 of pp_newline_and_flush with pp_flush.
9442 (diagnostic_append_note): Delete use of pp_newline.
9443 (diagnostic_append_note_at_rich_loc): Delete.
9444 * diagnostic.h (diagnostic_append_note_at_rich_loc): Delete.
9445 * pretty-print.h (output_buffer_append_r): Reset buff->line_length
9446 when newline characters are added to the buffer.
9448 2016-01-26 Michael Matz <matz@suse.de>
9450 * configure.ac (ac_cv_std_swap_in_utility): New test.
9451 * system.h (<algorithm>): Check HAVE_SWAP_IN_UTILITY as well.
9452 * configure: Regenerate.
9453 * config.in: Regenerate.
9455 2016-01-26 Claudiu Zissulescu <claziss@synopsys.com>
9457 * config/arc/arc.md (cstoresi4): Force operand into register.
9458 (arcset<code>): Fix predicate.
9459 (arcsetltu): Likewise.
9460 (arcsetgeu): Likewise.
9461 (arcsethi): Likewise.
9462 (arcsetls): Likewise.
9464 2016-01-26 Jakub Jelinek <jakub@redhat.com>
9466 PR tree-optimization/69483
9467 * gimple-fold.c (canonicalize_constructor_val): Return NULL
9468 if base has error_mark_node type.
9470 2016-01-26 Christophe Lyon <christophe.lyon@linaro.org>
9473 * config/arm/arm.c (neon_valid_immediate): Handle FP16 vectors.
9474 * config/arm/arm_neon.h (__ARM_NUM_LANES, __arm_lane, arm_lanq):
9476 (vget_lane_f16): Handle big-endian.
9477 (vgetq_lane_f16): Likewise.
9478 (vset_lane_f16): Likewise.
9479 (vsetq_lane_f16): Likewise.
9480 * config/arm/iterators.md (VQXMOV): Add V8HF.
9481 (VDQ): Add V4HF and V8HF.
9482 (V_reg): Handle V4HF and V8HF.
9483 (Is_float_mode): Likewise.
9484 * config/arm/neon.md (movv4hf, movv8hf, neon_vdup_nv4hf,
9485 neon_vdup_nv8hf): New patterns.
9486 (vec_set<mode>_internal, vec_extract<mode>, neon_vld1_dup<mode>):
9487 Use VD_LANE iterator.
9488 (neon_vld1_dup<mode>): Use VQ2 iterator.
9490 2016-01-26 Nathan Sidwell <nathan@acm.org>
9492 * omp-low.h (oacc_fn_attrib_kernels_p): Declare.
9493 (set_oacc_fn_attrib): Add IS_KERNEL arg.
9494 * omp-low.c (set_oacc_fn_attrib): Add IS_KERNEL arg.
9495 (oacc_fn_attrib_kernels_p, oacc_fn_attrib_level): New.
9496 (expand_omp_target): Pass is_kernel to set_oacc_fn_attrib.
9497 (oacc_validate_dims): Add LEVEL arg, don't return level.
9498 (new_oacc_loop_routine): Use oacc_fn_attrib_level, not
9500 (execute_oacc_device_lower): Adjust, add more dump output.
9501 * tree-ssa-loop.c (gate_oacc_kernels): Use
9502 oacc_fn_attrib_kernels_p.
9503 * tree-parloops.c (create_parallel_loop): Adjust
9504 set_oacc_fn_attrib call.
9506 2016-01-26 Jakub Jelinek <jakub@redhat.com>
9509 * lto-wrapper.c (merge_and_complain): Handle -fcilkplus.
9510 (append_compiler_options): Handle -fcilkplus.
9511 (append_linker_options): Ignore -fno-{openmp,openacc,cilkplus}.
9513 2016-01-26 Nick Clifton <nickc@redhat.com>
9516 * config/i386/winnt.c (i386_pe_binds_local_p): If a function has
9517 been marked as DECL_ONE_ONLY but we do not the means to make it
9518 so, then do not allow it to bind locally.
9520 2016-01-26 Jakub Jelinek <jakub@redhat.com>
9523 * opts.h (parse_sanitizer_options): New prototype.
9524 * opts.c (sanitizer_opts): New array.
9525 (parse_sanitizer_options): New function.
9526 (common_handle_option): Use parse_sanitizer_options.
9528 2016-01-26 H.J. Lu <hongjiu.lu@intel.com>
9531 * config/i386/i386.c (ix86_compute_frame_layout): Move stack
9532 alignment adjustment to ...
9533 (ix86_update_stack_boundary): Here. Don't over-align stack for
9535 (ix86_finalize_stack_realign_flags): Use stack_alignment_needed
9536 if __tls_get_addr is called.
9538 2016-01-26 Christian Bruel <christian.bruel@st.com>
9540 * doc/sourcebuild.texi (arm_crypto_pragma_ok): Remove.
9542 2016-01-26 Eric Botcazou <ebotcazou@adacore.com>
9544 * config/ia64/ia64.c (ia64_expand_vecint_compare): Use gen_int_mode.
9546 2016-01-26 Richard Biener <rguenther@suse.de>
9549 * match.pd: Guard X * CST CMP 0 pattern with single_use.
9551 2016-01-26 Richard Biener <rguenther@suse.de>
9553 PR tree-optimization/69452
9554 * tree-ssa-loop-im.c (move_computations_dom_walker): Remove.
9555 (move_computations_dom_walker::before_dom_children): Rename
9557 (move_computations_worker): This.
9558 (move_computations): Perform an RPO rather than a DOM walk.
9560 2016-01-26 Jakub Jelinek <jakub@redhat.com>
9563 * combine.c (combine_instructions): For REG_EQUAL note with
9564 SET_DEST being ZERO_EXTRACT, also temporarily set SET_DEST
9565 to the underlying register.
9566 * doc/rtl.texi (REG_EQUAL): Document the behavior of
9567 REG_EQUAL/REG_EQUIV notes if SET_DEST is ZERO_EXTRACT.
9569 2016-01-26 Roger Ferrer Ibáñez <rofirrim@gmail.com>
9572 * config/aarch64/aarch64-builtins.c
9573 (aarch64_init_simd_builtin_types): Do not set structural
9574 equality to __Poly{8,16,64,128}_t types.
9576 2016-01-26 Richard Sandiford <richard.sandiford@arm.com>
9578 PR tree-optimization/69400
9579 * wide-int.cc (wi_pack): Take the precision as argument and
9580 perform canonicalization here rather than in the callers.
9581 Use the main loop to handle all full-width HWIs. Add a
9582 zero HWI if in_len isn't a full result.
9583 (wi::divmod_internal): Update accordingly.
9584 (wi::mul_internal): Likewise. Simplify.
9586 2016-01-25 Aditya Kumar <aditya.k7@samsung.com>
9587 Sebastian Pop <s.pop@samsung.com>
9589 * graphite-poly.c (apply_poly_transforms): Simplify.
9590 (print_isl_set): Use more readable format: ISL_YAML_STYLE_BLOCK.
9591 (print_isl_map): Same.
9592 (print_isl_union_map): Same.
9593 (print_isl_schedule): New.
9594 (debug_isl_schedule): New.
9595 * graphite-dependences.c (scop_get_reads): Do not call
9596 isl_union_map_add_map that is undocumented isl functionality.
9597 (scop_get_must_writes): Same.
9598 (scop_get_may_writes): Same.
9599 (scop_get_original_schedule): Remove.
9600 (scop_get_dependences): Do not call isl_union_map_compute_flow that
9601 is deprecated in isl 0.15. Instead, use isl_union_access_* interface.
9602 (compute_deps): Remove.
9603 * graphite-isl-ast-to-gimple.c (print_schedule_ast): New.
9604 (debug_schedule_ast): New.
9605 (translate_isl_ast_to_gimple::scop_to_isl_ast): Call
9606 set_separate_option.
9607 (graphite_regenerate_ast_isl): Add dump.
9608 (translate_isl_ast_to_gimple::scop_to_isl_ast): Generate code
9609 from scop->transformed_schedule.
9610 (graphite_regenerate_ast_isl): Add more dump.
9611 * graphite-optimize-isl.c (optimize_isl): Set
9612 scop->transformed_schedule. Check whether schedules are equal.
9613 (apply_poly_transforms): Move here.
9614 * graphite-poly.c (apply_poly_transforms): ... from here.
9615 (free_poly_bb): Static.
9616 (free_scop): Static.
9617 (pbb_number_of_iterations_at_time): Remove.
9618 (print_isl_ast): New.
9619 (debug_isl_ast): New.
9620 (debug_scop_pbb): New.
9621 * graphite-scop-detection.c (print_edge): Move.
9623 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Remove.
9624 (build_scop_scattering): Remove.
9625 (create_pw_aff_from_tree): Assert instead of bailing out.
9626 (add_condition_to_pbb): Remove unused code, do not fail.
9627 (add_conditions_to_domain): Same.
9628 (add_conditions_to_constraints): Remove.
9629 (build_scop_context): New.
9630 (add_iter_domain_dimension): New.
9631 (build_iteration_domains): Initialize pbb->iterators.
9632 Call add_conditions_to_domain.
9635 (index_outermost_in_loop): New.
9636 (index_pbb_in_loop): New.
9637 (outermost_pbb_in): New.
9638 (add_in_sequence): New.
9639 (add_outer_projection): New.
9640 (outer_projection_mupa): New.
9641 (add_loop_schedule): New.
9642 (build_schedule_pbb): New.
9643 (build_schedule_loop): New.
9644 (embed_in_surrounding_loops): New.
9645 (build_schedule_loop_nest): New.
9646 (build_original_schedule): New.
9647 (build_poly_scop): Call build_original_schedule.
9648 * graphite.h: Declare print_isl_schedule and debug_isl_schedule.
9649 (free_poly_dr): Remove.
9650 (struct poly_bb): Add iterators. Remove schedule, transformed, saved.
9651 (free_poly_bb): Remove.
9652 (debug_loop_vec): Remove.
9653 (print_isl_ast): Declare.
9654 (debug_isl_ast): Declare.
9655 (scop_do_interchange): Remove.
9656 (scop_do_strip_mine): Remove.
9657 (scop_do_block): Remove.
9658 (flatten_all_loops): Remove.
9659 (optimize_isl): Remove.
9660 (pbb_number_of_iterations_at_time): Remove.
9661 (debug_scop_pbb): Declare.
9662 (print_schedule_ast): Declare.
9663 (debug_schedule_ast): Declare.
9664 (struct scop): Remove schedule. Add original_schedule,
9665 transformed_schedule.
9666 (free_gimple_poly_bb): Remove.
9667 (print_generated_program): Remove.
9668 (debug_generated_program): Remove.
9669 (unify_scattering_dimensions): Remove.
9670 * sese.c (print_edge): ... here.
9671 (print_sese): ... here.
9672 (debug_edge): ... here.
9673 (debug_sese): ... here.
9674 * sese.h (print_edge): Declare.
9675 (print_sese): Declare.
9676 (dump_edge): Declare.
9677 (dump_sese): Declare.
9679 2016-01-25 Aditya Kumar <aditya.k7@samsung.com>
9680 Sebastian Pop <s.pop@samsung.com>
9682 * Makefile.in: Set ISLVER in site.exp.
9684 2016-01-25 Jakub Jelinek <jakub@redhat.com>
9686 * omp-low.c (lower_omp_target) <case USE_DEVICE_PTR>: Set
9687 DECL_VALUE_EXPR of new_var even for the non-array case. Look
9688 through DECL_VALUE_EXPR for expansion.
9690 2016-01-25 Bernd Edlinger <bernd.edlinger@hotmail.de>
9692 * config/mips/mips.c (mips_compute_frame_info): Skip re-computing
9693 the frame info after reload completed.
9695 2016-01-25 Jeff Law <law@redhat.com>
9697 PR tree-optimization/69196
9698 PR tree-optimization/68398
9699 * tree-ssa-threadupdate.h (enum bb_dom_status): Moved here from
9700 tree-ssa-threadupdate.c.
9701 (determine_bb_domination_status): Prototype
9702 * tree-ssa-threadupdate.c (enum bb_dom_status): Remove
9703 (determine_bb_domination_status): No longer static.
9704 (valid_jump_thread_path): Remove code to detect characteristics
9705 of the jump thread path not associated with correctness.
9706 * tree-ssa-threadbackward.c (fsm_find_control_statment_thread_paths):
9707 Correct test for thread path length. Count PHIs for real operands as
9708 statements that need to be copied. Do not count ASSERT_EXPRs.
9709 Look at all the blocks in the thread path. Compute and selectively
9710 filter thread paths based on threading through the latch, threading
9711 a multiway branch or crossing a multiway branch.
9713 2016-01-25 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
9715 * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): Add
9716 decl with __attribute__ ((unused)) annotation.
9718 2016-01-25 Ilya Enkovich <enkovich.gnu@gmail.com>
9721 * tree-vect-stmts.c (vectorizable_condition): Check vectype
9722 of operands is compatible with a statement vectype.
9724 2016-01-25 Eric Botcazou <ebotcazou@adacore.com>
9726 * doc/extend.texi (scalar_storage_order type attribute): Fix typo and
9727 improve wording for mixed storage order support.
9729 2016-01-25 Bilyan Borisov <bilyan.borisov@arm.com>
9731 * config/aarch64/arm_neon.h (vcvt_s64_f64): New intrinsic.
9732 (vcvt_u64_f64): Likewise.
9733 (vcvta_s64_f64): Likewise.
9734 (vcvta_u64_f64): Likewise.
9735 (vcvtm_s64_f64): Likewise.
9736 (vcvtm_u64_f64): Likewise.
9737 (vcvtn_s64_f64): Likewise.
9738 (vcvtn_u64_f64): Likewise.
9739 (vcvtp_s64_f64): Likewise.
9740 (vcvtp_u64_f64): Likewise.
9742 2016-01-25 Claudiu Zissulescu <claziss@synopsys.com>
9744 * config/arc/arc.c (TARGET_DWARF_REGISTER_SPAN): Define.
9745 (arc_init): Check validity mll64 option.
9746 (arc_save_restore): Use double load/store instruction.
9747 (arc_expand_movmem): Likewise.
9748 (arc_split_move): Don't split if we have double load/store
9749 instructions. Returns a boolean.
9750 (arc_process_double_reg_moves): Change function to return boolean
9751 instead of a sequence of instructions.
9752 (arc_dwarf_register_span): New function.
9753 * config/arc/arc-protos.h (arc_split_move): Change prototype.
9754 * config/arc/arc.h (TARGET_CPU_CPP_BUILTINS): Define __ARC_LL64__.
9755 * config/arc/arc.md (*movdi_insn): Emit ldd/std instructions.
9756 (*movdf_insn): Likewise.
9757 * config/arc/arc.opt (mll64): New option.
9758 * config/arc/predicates.md (even_register_operand): New predicate.
9759 * doc/invoke.texi (ARC Options): Add mll64 documentation.
9761 2016-01-25 Richard Biener <rguenther@suse.de>
9764 * dwarf2out.c (is_naming_typedef_decl): Not when DECL_NAMELESS.
9765 * tree-streamer-out.c (pack_ts_base_value_fields): Stream
9767 * tree-streamer-in.c (unpack_ts_base_value_fields): Likewise.
9769 2016-01-25 Richard Biener <rguenther@suse.de>
9771 PR tree-optimization/69376
9772 * tree-ssa-sccvn.h (struct vn_ssa_aux): Add range_info_anti_range_p
9774 (VN_INFO_ANTI_RANGE_P): New inline.
9775 (VN_INFO_RANGE_TYPE): Likewise.
9776 * tree-ssa-sccvn.c (set_ssa_val_to): Also record and copy
9777 SSA_NAME_ANTI_RANGE_P.
9778 (free_scc_vn): Restore SSA_NAME_ANTI_RANGE_P.
9779 * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
9780 Properly query VN_INFO_RANGE_TYPE.
9782 2016-01-25 Nick Clifton <nickc@redhat.com>
9785 * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Remove definition.
9787 2016-01-23 Tom de Vries <tom@codesourcery.com>
9789 PR tree-optimization/69426
9790 * tree-parloops.c (eliminate_local_variables_stmt): Handle vdef of
9793 2016-01-23 Jakub Jelinek <jakub@redhat.com>
9795 * tree-ssanames.c (release_free_names_and_compact_live_names): Replace
9796 "the the" with "the" in the comments.
9797 * ipa-devirt.c (build_type_inheritance_graph,
9798 update_type_inheritance_graph): Likewise.
9799 * tree.c (build_function_type_list_1): Likewise.
9800 * cfgloopmanip.c (scale_loop_profile): Likewise.
9801 * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Likewise.
9802 * gimple-ssa-split-paths.c
9803 (find_block_to_duplicate_for_splitting_paths): Likewise.
9804 * tree-sra.c (init_subtree_with_zero, clobber_subtree): Likewise.
9805 * expr.c (convert_move): Likewise.
9806 * var-tracking.c (vt_stack_adjustments): Likewise.
9807 * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
9808 * tree-vrp.c (test_for_singularity): Likewise.
9810 * tree-vect-stmts.c (vectorizable_condition): Build a VEC_COND_EXPR
9811 directly instead of building a temporary tree.
9814 * genrecog.c: Define INCLUDE_ALGORITHM before including system.h,
9815 remove <algorithm> include.
9817 2016-01-22 Jakub Jelinek <jakub@redhat.com>
9820 * config/i386/i386.c: Include dojump.h.
9821 (expand_small_movmem_or_setmem,
9822 expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Spelling
9824 (ix86_expand_set_or_movmem): Call do_pending_stack_adjust () early
9825 if dynamic_check != -1.
9827 2016-01-21 Jeff Law <law@redhat.com>
9830 * tree-ssa-dom.c (back_propagate_equivalences): Factored out of
9831 record_temporary_equivalences. Rewritten to avoid unnecessary calls
9832 into dominated_by_p.
9833 (cprop_into_successor_phis): Avoid unnecessary tests.
9835 2016-01-22 Richard Henderson <rth@redhat.com>
9838 * config/aarch64/aarch64.md (UNSPEC_NZCV): New.
9839 (ccmp<mode>, fccmp<mode>, fccmpe<mode>): Use it.
9841 2016-01-22 Michael Matz <matz@suse.de>
9843 * system.h (string, algorithm): Include only conditionally.
9844 (new): Include always under C++.
9845 * bb-reorder.c (toplevel): Define INCLUDE_ALGORITHM.
9846 * final.c (toplevel): Ditto.
9847 * ipa-chkp.c (toplevel): Define INCLUDE_STRING.
9848 * genconditions.c (write_header): Make gencondmd.c define
9850 * mem-stats.h (mem_usage::print_dash_line): Don't use std::string.
9852 * config/aarch64/aarch64.c (toplevel): Define INCLUDE_STRING.
9853 * common/config/aarch64/aarch64-common.c (toplevel): Ditto.
9855 2016-01-22 Christian Bruel <christian.bruel@st.com>
9858 * expr.c (expand_expr_real_1): Reset DECL_MODE if VECTOR_TYPE_P changed.
9860 2016-01-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
9863 * config/arm/thumb2.md (*thumb2_ior_scc_strict_it): Convert to
9864 define_insn_and_split. Ensure operands[1] and operands[0] do not
9865 get assigned the same register.
9867 2016-01-22 Kugan Vivekanandarajah <kuganv@linaro.org>
9869 * ipa-prop.c (ipa_set_jf_constant): Remove redundant unshare_expr.
9871 2016-01-22 Christian Bruel <christian.bruel@st.com>
9873 * config/arm/arm-c.c (arm_pragma_target_parse):
9874 Remove warn_builtin_macro_redefined overwrite.
9876 2016-01-22 Eric Botcazou <ebotcazou@adacore.com>
9878 * ipa-inline.c (can_inline_edge_p): Back out overzealous check on
9879 flag_non_call_exceptions compatibility.
9881 2016-01-22 Jakub Jelinek <jakub@redhat.com>
9884 * dwarf2out.c (add_child_die_after): New function.
9885 (dwarf_qual_info_t): New type.
9886 (dwarf_qual_info): New variable.
9887 (qualified_die_p): New function.
9888 (modified_type_die): For -fdebug-types-section, ensure
9889 canonical order of qualifiers. Put qualified DIEs adjacent
9890 to the corresponding non-qualified type DIE and search there
9891 for existing qualified DIEs.
9893 2016-01-22 Eric Botcazou <ebotcazou@adacore.com>
9895 * doc/extend.texi (scalar_storage_order type attribute): Document
9896 restriction on type punning and aliasing, and remove future tense.
9898 2016-01-21 Roman Zhuykov <zhroma@ispras.ru>
9901 * modulo-sched.c (optimize_sc): Allow branch-scheduling to add a new
9904 2016-01-21 Jeff Law <law@redhat.com>
9907 * tree-ssa-dom.c (dom_opt_dom_walker::thread_across_edge): Avoid
9908 useless call to record_temporary_equivalences.
9909 * tree-ssa-threadbackward.c (find_jump_threads_backwards): Just
9910 allocate 10 slots in the bb_path vector and let it grow as needed.
9911 (fsm_find_control_statement_thread_paths): Similarly for the next_path
9914 2016-01-21 David Edelsohn <dje.gcc@gmail.com>
9916 * configure.ac (gcc_cv_as_powerpc_mfcrf, gcc_cv_as_machine_directive):
9918 * configure: Regenerate.
9920 2016-01-21 Pat Haugen <pthaugen@us.ibm.com>
9922 * config/rs6000/aix71.h (ASM_CPU_SPEC): Add entry for Power9.
9923 * config/rs6000/driver-rs6000.c (struct asm_names): Likewise.
9925 2016-01-21 Bernd Schmidt <bschmidt@redhat.com>
9928 * expr.c (expand_expr_real_2) [PLUS_EXPR, MINUS_EXPR]: Don't
9929 drop EXPAND_INITIALIZER.
9930 * rtl.h (contains_symbolic_reference_p): Declare.
9931 * rtlanal.c (contains_symbolic_reference_p): New function.
9932 * simplify-rtx.c (simplify_binary_operation_1): Don't turn
9933 a subtraction into a NOT if symbolic constants are involved.
9935 2016-01-21 Anton Blanchard <anton@samba.org>
9936 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
9939 * config/rs6000/linux64.h (TARGET_KEEP_LEAF_WHEN_PROFILED): New
9941 * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): New
9944 2016-01-21 Ajit Agarwal <ajitkum@xilinx.com>
9946 * config/microblaze/microblaze.c
9947 (get_branch_target): New.
9948 (insert_wic_for_ilb_runout): New.
9950 (microblaze_machine_dependent_reorg): New.
9951 (TARGET_MACHINE_DEPENDENT_REORG): Define macro.
9952 * config/microblaze/microblaze.md
9953 (UNSPEC_IPREFETCH): Define.
9954 (iprefetch): New pattern
9955 * config/microblaze/microblaze.opt
9956 (mxl-prefetch): New flag.
9958 2016-01-21 Ajit Agarwal <ajitkum@xilinx.com>
9960 * config/microblaze/microblaze.h
9961 (FIXED_REGISTERS): Update in macro.
9962 (CALL_USED_REGISTERS): Update in macro.
9964 2016-01-21 Yuri Rumyantsev <ysrumyan@gmail.com>
9966 PR rtl-optimization/68920
9967 * ifcvt.c (cond_move_process_if_block): Limit number of conditional
9970 2016-01-21 Vladimir Makarov <vmakarov@redhat.com>
9972 PR rtl-optimization/68990
9973 * lra-coalesce.c (lra_coalesce): Invalidate value for the result
9974 pseudo instead of inheritance ones.
9976 2016-01-21 Bernd Edlinger <bernd.edlinger@hotmail.de>
9977 Nick Clifton <nickc@redhat.com>
9981 * config/mips/mips.c (mips_compute_frame_info): Initialise
9982 args_size and hard_frame_pointer_offset fields of the frame
9983 structure before calling mips_global_pointer.
9985 2016-01-21 David Edelsohn <dje.gcc@gmail.com>
9987 * configure.ac (gcc_cv_as_dwloc): Test support for debug frame section
9989 * configure: Regenerate.
9991 2016-01-21 Richard Biener <rguenther@suse.de>
9993 * graphite-optimize-isl.c (get_schedule_map): Fix typo.
9995 2016-01-21 Marcin Kościelnicki <koriakin@0x04.net>
9997 * config/s390/s390.c (s390_asm_declare_function_size): Add code
9998 to actually emit the .size directive.
10000 2016-01-21 Stefan Sørensen <stefan.sorensen@spectralink.com>
10001 Jakub Jelinek <jakub@redhat.com>
10005 * config/arm/arm-builtins.c (arm_expand_neon_builtin): Increase
10006 args array size by one to avoid buffer overflow.
10008 2016-01-21 Marcin Kościelnicki <koriakin@0x04.net>
10010 * config/s390/s390.md (pool_section_start): Use switch_to_section
10011 to select proper read-only data section instead of hardcoding
10013 (pool_section_end): Use switch_to_section to match the above.
10015 2016-01-21 Richard Biener <rguenther@suse.de>
10017 PR tree-optimization/69378
10018 * tree-ssa-sccvn.c (dominated_by_p_w_unex): New function.
10019 (set_ssa_val_to): Use it for dominance checks taking into
10020 account not executable edges.
10022 2016-01-21 Jakub Jelinek <jakub@redhat.com>
10025 * tree-dfa.c (get_ref_base_and_extent): Use GET_MODE_BITSIZE (mode)
10026 for bitsize instead of GET_MODE_PRECISION (mode).
10028 2016-01-20 Martin Sebor <msebor@redhat.com>
10031 * extend.texi (__sync Builtins): Clarify the semantics of
10032 __sync_fetch_and_OP built-ins on pointers.
10033 (__atomic Builtins): Same.
10035 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
10036 Sebastian Pop <s.pop@samsung.com>
10038 * graphite-isl-ast-to-gimple.c (enum phi_node_kind): New.
10039 (class translate_isl_ast_to_gimple): Use phi_node_kind instead of bool.
10040 (is_valid_rename): Same.
10041 (translate_isl_ast_to_gimple::get_rename): Same.
10042 (translate_isl_ast_to_gimple::rename_all_uses): Same.
10043 (translate_isl_ast_to_gimple::rename_uses): Same.
10044 (get_new_name): Check for close_phi nodes.
10045 (copy_loop_phi_args): Use phi_node_kind.
10046 (translate_isl_ast_to_gimple::copy_loop_close_phi_args): Same.
10047 (translate_isl_ast_to_gimple::copy_cond_phi_args): Same.
10049 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
10050 Sebastian Pop <s.pop@samsung.com>
10052 Revert commit r229783.
10053 * graphite-isl-ast-to-gimple.c (gcc_expression_from_isl_ast_expr_id):
10054 Remove use of parameter_rename_map.
10055 (copy_def): Remove.
10056 (copy_internal_parameters): Remove.
10057 (graphite_regenerate_ast_isl): Remove call to copy_internal_parameters.
10058 * sese.c (new_sese_info): Do not initialize parameter_rename_map.
10059 (free_sese_info): Do not free parameter_rename_map.
10060 (set_rename): Do not use parameter_rename_map.
10061 (rename_uses): Update call to set_rename.
10062 (graphite_copy_stmts_from_block): Do not use parameter_rename_map.
10063 * sese.h (parameter_rename_map_t): Remove.
10064 (struct sese_info_t): Remove field parameter_rename_map.
10066 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
10067 Sebastian Pop <s.pop@samsung.com>
10069 * graphite-isl-ast-to-gimple.c: Fix comment.
10070 * graphite-scop-detection.c (defined_in_loop_p): New.
10071 (canonicalize_loop_closed_ssa): Do not add close phi nodes for SSA
10072 names defined in loop.
10074 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
10075 Sebastian Pop <s.pop@samsung.com>
10077 * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
10078 Discard unstructured if-then-else regions.
10080 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
10081 Sebastian Pop <s.pop@samsung.com>
10083 * graphite-sese-to-poly.c (set_scop_parameter_dim): Remove.
10084 (cleanup_loop_iter_dom): Remove.
10085 (build_loop_iteration_domains): Remove.
10086 (build_scop_context): Remove.
10087 (build_scop_iteration_domain): Remove.
10088 (add_loop_constraints): New.
10089 (build_iteration_domains): New.
10090 (build_poly_scop): Call build_iteration_domains.
10092 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
10093 Sebastian Pop <s.pop@samsung.com>
10095 * graphite-scop-detection.c
10096 (scop_detection::harmful_loop_in_region): Free dom and loops.
10097 (scop_detection::loop_body_is_valid_scop): Free bbs.
10099 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
10100 Sebastian Pop <s.pop@samsung.com>
10102 * graphite-scop-detection.c (record_loop_in_sese): New.
10103 (gather_bbs::before_dom_children): Call record_loop_in_sese.
10104 (build_scops): Remove call to build_sese_loop_nests.
10105 * sese.c (sese_record_loop): Remove.
10106 (build_sese_loop_nests): Remove.
10107 (new_sese_info): Remove region->loops.
10108 (free_sese_info): Same.
10109 * sese.h (sese_contains_loop): Same.
10110 (build_sese_loop_nests): Remove.
10111 (sese_contains_loop): Remove.
10113 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
10114 Sebastian Pop <s.pop@samsung.com>
10116 * graphite-scop-detection.c (loop_is_valid_scop): Renamed
10117 loop_is_valid_in_scop.
10118 (scop_detection::harmful_stmt_in_region): Renamed
10119 harmful_loop_in_region.
10120 Call loop_is_valid_in_scop.
10122 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
10123 Sebastian Pop <s.pop@samsung.com>
10125 * graphite-isl-ast-to-gimple.c (translate_isl_ast): Also handle
10128 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
10129 Sebastian Pop <s.pop@samsung.com>
10131 * graphite-poly.c (new_poly_bb): Remove use of PBB_IS_REDUCTION.
10132 * graphite.h (struct poly_bb): Remove field is_reduction.
10133 (PBB_IS_REDUCTION): Remove.
10135 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
10136 Sebastian Pop <s.pop@samsung.com>
10138 * graphite-dependences.c (constrain_domain): Add call to isl_*_coalesce.
10139 (add_pdr_constraints): Same.
10140 (scop_get_reads): Same.
10141 (scop_get_must_writes): Same.
10142 (scop_get_may_writes): Same.
10143 (scop_get_original_schedule): Same.
10144 (extend_schedule): Same.
10145 (apply_schedule_on_deps): Same.
10146 (carries_deps): Same.
10147 (compute_deps): Same.
10148 (scop_get_dependences): Same.
10149 * graphite-isl-ast-to-gimple.c
10150 (translate_isl_ast_to_gimple::generate_isl_schedule): Same.
10151 * graphite-optimize-isl.c (get_schedule_for_band): Same.
10152 (get_schedule_for_band_list): Same.
10153 (get_schedule_map): Same.
10154 (apply_schedule_map_to_scop): Same.
10155 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
10156 (build_loop_iteration_domains): Same.
10157 (add_condition_to_pbb): Same.
10158 (add_param_constraints): Same.
10159 (pdr_add_memory_accesses): Same.
10160 (pdr_add_data_dimensions): Same.
10162 2016-01-20 Sandra Loosemore <sandra@codesourcery.com>
10164 * doc/invoke.texi (Instrumentation Options): Clarify -mmpx linking
10167 2016-01-20 Sandra Loosemore <sandra@codesourcery.com>
10169 * common.opt (feliminate-dwarf2-dups): Replace references to
10170 "DWARF 2" with just "DWARF".
10171 * config/ia64/ia64.opt (mdwarf2-asm): Likewise.
10172 * doc/extend.texi: Likewise.
10173 * doc/cpp.texi: Likewise.
10174 * doc/invoke.texi: Likewise.
10175 (Option Summary): Add -gdwarf to list of Debugging Options.
10176 (Debugging Options): Document -gdwarf.
10177 * doc/contrib.texi: Spell "DWARF" like that.
10179 2016-01-21 Jakub Jelinek <jakub@redhat.com>
10181 * omp-low.c (expand_omp_target): Avoid -Wmaybe-uninitialized
10182 warning. Fix up formatting.
10184 PR middle-end/67653
10185 * gimplify.c (gimplify_asm_expr): Warn if it is too late to
10186 attempt to mark memory input operand addressable and
10187 call prepare_gimple_addressable in that case. Don't adjust
10188 input_location for diagnostics, use error_at instead.
10190 2016-01-20 Peter Bergner <bergner@vnet.ibm.com>
10192 * config/rs6000/ppc-auxv.h: New file.
10193 * config/rs6000/rs6000-builtin.def (cpu_init): Add new builtin.
10194 (cpu_is): Likewise.
10195 (cpu_supports): Likewise.
10196 * config/rs6000/rs6000.c: include "ppc-auxv.h".
10197 (cpu_is_info): New variable.
10198 (cpu_supports_info): Likewise.
10199 (tcb_verification_symbol): Likewise.
10200 (cpu_builtin_p): Likewise.
10201 (cpu_expand_builtin): New function.
10202 (rs6000_expand_ternop_builtin): Add support for CPU builtin functions.
10203 (rs6000_init_builtins): Likewise.
10204 (rs6000_elf_file_end): Emit HWCAP in TCB verification symbol.
10205 * config/rs6000/rs6000.h (TLS_REGNUM): New define.
10206 * configure.ac (gcc_cv_libc_provides_hwcap_in_tcb): New test.
10207 * configure: Regenerate.
10208 * config.in: Likewise.
10209 * doc/extend.texi (PowerPC Built-in Functions): Document
10210 __builtin_cpu_init, __builtin_cpu_is and __builtin_cpu_supports.
10212 2016-01-20 David Edelsohn <dje.gcc@gmail.com>
10215 * config/rs6000/rs6000.c (rs6000_emit_swsqrt): Add vector sqrt
10217 * config/rs6000/vector.md (sqrt<mode>2): Call rs6000_emit_swsqrt
10220 2016-01-20 Richard Henderson <rth@redhat.com>
10226 * tree.c (tm_define_builtin): New.
10227 (find_tm_vector_type): New.
10228 (build_tm_vector_builtins): New.
10229 (build_common_builtin_nodes): Call it.
10231 2016-01-20 Christophe Lyon <christophe.lyon@linaro.org>
10233 * doc/sourcebuild.texi (arm_crypto_pragma_ok): Document new entry.
10234 (arm_fp_ok): Likewise.
10235 (arm_fp): Likewise.
10236 (arm_crypto): Likewise.
10238 2016-01-20 Ilya Enkovich <enkovich.gnu@gmail.com>
10239 Richard Biener <rguenther@suse.de>
10241 PR tree-optimization/69328
10242 * tree-vect-stmts.c (vect_is_simple_cond): Check compared
10243 vectors have same number of elements.
10244 (vectorizable_condition): Fix masked version recognition.
10246 2016-01-20 Richard Biener <rguenther@suse.de>
10248 PR tree-optimization/69345
10249 * tree-ssa-sccvn.h (VN_INFO_RANGE_INFO): New inline function.
10250 (VN_INFO_PTR_INFO): Likewise.
10251 * tree-ssa-sccvn.c (set_ssa_val_to): Avoid clearing points-to
10252 info when it is equal between non-dominating SSA names.
10253 * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
10254 Make sure to look at original SSA infos.
10256 2016-01-20 Jeff Law <law@redhat.com>
10259 * config/m68k/predicates.md (pow2_m1_operand): New predicate
10261 (reg_or_pow2_m1_operand): Call pow2_m1_operand.
10262 (pc_or_label_operand): New predicate.
10263 * config/m68k/m68k.md: Add new peephole2 patterns for GTU/LEU
10264 tests for small integers that are 2^n - 1.
10266 2016-01-20 Jonathan Wakely <jwakely@redhat.com>
10268 * doc/invoke.texi (Options Summary): Add '.' after @xref.
10270 2016-01-19 Jeff Law <law@redhat.com>
10272 PR middle-end/69347
10273 * tree-ssa-threadbackwards.c
10274 (fsm_find_control_statement_thread_paths): Do not try to lookup
10275 FSM paths for SSA_NAMEs appearing in abnormal PHIs.
10277 2016-01-20 Kugan Vivekanandarajah <kuganv@linaro.org>
10279 * doc/lto.texi: Remove text that says only Gold has linker plugin
10282 2016-01-19 Eric Botcazou <ebotcazou@adacore.com>
10284 * dwarf2out.c (need_endianity_attribute_p): New inline predicate.
10285 (base_type_die): Add REVERSE parameter and attach DW_AT_endianity to
10286 the DIE accordingly.
10287 (modified_type_die): Add REVERSE parameter and pass it recursively,
10288 as well as to base_type_die. Adjust presence check accordingly.
10289 (base_type_for_mode): Adjust call to modified_type_die.
10290 (add_type_attribute): Add REVERSE parameter and pass it to
10292 (generic_parameter_die): Adjust call to add_type_attribute.
10293 (add_scalar_info): Likewise.
10294 (add_subscript_info): Likewise.
10295 (gen_array_type_die): Likewise.
10296 (gen_descr_array_type_die): Likewise.
10297 (gen_entry_point_die): Likewise.
10298 (gen_enumeration_type_die): Likewise.
10299 (gen_formal_parameter_die): Likewise.
10300 (gen_subprogram_die): Likewise.
10301 (gen_variable_die ): Likewise.
10302 (gen_const_die): Likewise.
10303 (gen_field_die): Likewise.
10304 (gen_pointer_type_die): Likewise.
10305 (gen_reference_type_die): Likewise.
10306 (gen_ptr_to_mbr_type_die): Likewise.
10307 (gen_inheritance_die): Likewise.
10308 (gen_subroutine_type_die): Likewise.
10309 (gen_typedef_die): Likewise.
10310 (force_type_die): Adjust call to modified_type_die.
10312 2016-01-19 Sandra Loosemore <sandra@codesourcery.com>
10314 * doc/standards.texi: Copy-editing for grammar, markup, and sentence
10315 flow throughout the file. Fix broken link to Objective-C 2.0
10317 * doc/invoke.texi: More copy-editing; fix numerous typos and spelling
10320 2016-01-19 Wilco Dijkstra <wdijkstr@arm.com>
10322 * ccmp.c (expand_ccmp_expr_1): Avoid spurious unused warnings.
10324 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
10327 * ipa-devirt.c (is_cxa_pure_virtual_p): New function.
10328 (maybe_record_node): Record cxa_pure_virtual as the only possible
10329 target if there are not ohter candidates.
10330 (possible_polymorphic_call_target_p): Accept cxa_pure_virtual.
10332 2016-01-19 Richard Biener <rguenther@suse.de>
10334 * hsa-gen.c (get_memory_order_name): Use MEMMODEL_ constants.
10335 (get_memory_order): Likewise.
10337 2016-01-19 Kirill Yukhin <kirill.yukhin@intel.com>
10339 * tree-vect-stmts.c (vectorizable_store): Check
10342 2016-01-19 David Malcolm <dmalcolm@redhat.com>
10345 * gcc.c (driver::decode_argv): Add call to
10346 init_opts_obstack before init_options_struct.
10347 * opts.c (init_opts_obstack): Remove idempotency.
10348 (init_options_struct): Replace call to init_opts_obstack
10349 with a gcc_assert to verify that it has already been called.
10350 * toplev.c (toplev::main): Add call to init_opts_obstack before
10351 calls to init_options_struct.
10352 (toplev::finalize): Move cleanup of opts_obstack next to
10353 cleanup of save_decoded_options, clearing the latter, and
10354 save_decoded_options_count.
10356 2016-01-19 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
10359 * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Set "conds"
10360 attribute to unconditional. Remove %? from output template.
10362 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
10363 Jiong Wang <jiong.wang@arm.com>
10365 * ccmp.c (expand_ccmp_expr_1): Cost the instruction sequences
10366 generated from different expand order.
10368 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
10370 * /config/aarch64/aarch64.c (aarch64_if_then_else_costs):
10371 Add support for CCMP costing.
10373 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
10375 * ccmp.c (ccmp_candidate_p): Remove integer-only restriction.
10376 * config/aarch64/aarch64.md (fccmp<mode>): New pattern.
10377 (fccmpe<mode>): Likewise.
10378 (fcmp): Rename to fcmp and globalize pattern.
10380 * config/aarch64/aarch64.c (aarch64_gen_ccmp_first): Add FP support.
10381 (aarch64_gen_ccmp_next): Add FP support.
10383 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
10385 * target.def (gen_ccmp_first): Update documentation.
10386 (gen_ccmp_next): Likewise.
10387 * doc/tm.texi (gen_ccmp_first): Update documentation.
10388 (gen_ccmp_next): Likewise.
10389 * ccmp.c (expand_ccmp_expr): Extract cmp_code from return value of
10390 expand_ccmp_expr_1. Improve comments.
10391 * config/aarch64/aarch64.md (ccmp_and): Use if_then_else for ccmp.
10392 (ccmp_ior<mode>): Remove pattern.
10393 (cmp<mode>): Remove expand.
10394 (cmp): Globalize pattern.
10395 (cstorecc4): Use cc_register.
10396 (mov<mode>cc): Remove ccmp_cc_register check.
10397 * config/aarch64/aarch64.c (aarch64_get_condition_code_1):
10398 Simplify after removal of CC_DNE/* modes.
10399 (aarch64_ccmp_mode_to_code): Remove.
10400 (aarch64_print_operand): Remove 'K' case. Merge 'm' and 'M' cases.
10401 In 'k' case use integer as condition.
10402 (aarch64_nzcv_codes): Remove inverted cases.
10403 (aarch64_code_to_ccmode): Remove.
10404 (aarch64_gen_ccmp_first): Use cmp pattern directly. Return the correct
10405 comparison with CC register to be used in folowing CCMP/branch/CSEL.
10406 (aarch64_gen_ccmp_next): Use previous comparison and mode in CCMP
10407 pattern. Return the comparison with CC register. Invert conditions
10408 when bitcode is OR.
10409 * config/aarch64/aarch64-modes.def: Remove CC_DNE/* modes.
10410 * config/aarch64/predicates.md (ccmp_cc_register): Remove.
10412 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
10414 * cgraphunit.c (cgraph_node::reset): Clear thunk info and
10415 instrumented_version.
10417 2016-01-19 Richard Biener <rguenther@suse.de>
10419 PR tree-optimization/69336
10420 * tree-ssa-scopedtables.c (avail_expr_hash): Handle all
10421 handled components with get_ref_base_and_extent.
10422 (equal_mem_array_ref_p): Adjust.
10424 2016-01-19 Jakub Jelinek <jakub@redhat.com>
10427 * shrink-wrap.c: Include valtrack.h.
10428 (move_insn_for_shrink_wrap): Add DEBUG argument. If
10429 MAY_HAVE_DEBUG_INSNS, call dead_debug_add on DEBUG_INSNs
10430 in between insn and where it will be moved to. Call
10431 dead_debug_insert_temp.
10432 (prepare_shrink_wrap): Adjust caller. Call dead_debug_local_init
10433 first and dead_debug_local_finish at the end.
10434 For uses and defs bitmap, handle all regs in between REGNO and
10435 END_REGNO, not just the first one.
10437 2016-01-19 Richard Biener <rguenther@suse.de>
10439 PR tree-optimization/69352
10440 * tree-ssa-scopedtables.c (avail_expr_hash): Check for size == -1.
10441 (equal_mem_array_ref_p): Constrain size and max size properly.
10442 Compare the reverse flag.
10444 2016-01-19 Bernd Schmidt <bschmidt@redhat.com>
10446 * ira.c (ira): Update regstat data if we deleted insns.
10448 2016-01-19 Jakub Jelinek <jakub@redhat.com>
10450 PR rtl-optimization/68955
10451 PR rtl-optimization/64557
10452 * dse.c (record_store, check_mem_read_rtx): Don't call get_addr
10453 here. Fix up formatting.
10454 * alias.c (get_addr): Handle VALUE +/- CONST_SCALAR_INT_P.
10456 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
10459 * cgraphunit.c (cgraph_node::expand_thunk): When forcing gimple
10460 assume that the node has body.
10461 * cgraph.c (cgraph_node::get_untransformed_body): Use gimple_body_p
10464 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
10466 * lto-streamer-out.c (lto_output): Do not stream instrumentation
10469 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
10471 * symtab.c (symtab_node::asm_name): Do not call printable name directly.
10472 (symtab_node::name): Report name as unnamed if DECL_NAME is not set.
10474 2016-01-19 Martin Jambor <mjambor@suse.cz>
10475 Martin Liska <mliska@suse.cz>
10476 Michael Matz <matz@suse.de>
10478 * Makefile.in (OBJS): Add new source files.
10479 (GTFILES): Add hsa.c.
10480 * common.opt (disable_hsa): New variable.
10481 (-Whsa): New warning.
10482 * config.in (ENABLE_HSA): New.
10483 * configure.ac: Treat hsa differently from other accelerators.
10484 (OFFLOAD_TARGETS): Define ENABLE_OFFLOADING according to
10485 $enable_offloading.
10486 (ENABLE_HSA): Define ENABLE_HSA according to $enable_hsa.
10487 * doc/install.texi (Configuration): Document --with-hsa-runtime,
10488 --with-hsa-runtime-include, --with-hsa-runtime-lib and
10489 --with-hsa-kmt-lib.
10490 * doc/invoke.texi (-Whsa): Document.
10491 (hsa-gen-debug-stores): Likewise.
10492 * lto-wrapper.c (compile_images_for_offload_targets): Do not attempt
10493 to invoke offload compiler for hsa acclerator.
10494 * opts.c (common_handle_option): Determine whether HSA offloading
10495 should be performed.
10496 * params.def (PARAM_HSA_GEN_DEBUG_STORES): New parameter.
10497 * builtin-types.def (BT_FN_VOID_UINT_PTR_INT_PTR): New.
10498 (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_INT_INT): Removed.
10499 (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): New.
10500 * gimple-low.c (lower_stmt): Also handle GIMPLE_OMP_GRID_BODY.
10501 * gimple-pretty-print.c (dump_gimple_omp_for): Also handle
10502 GF_OMP_FOR_KIND_GRID_LOOP.
10503 (dump_gimple_omp_block): Also handle GIMPLE_OMP_GRID_BODY.
10504 (pp_gimple_stmt_1): Likewise.
10505 * gimple-walk.c (walk_gimple_stmt): Likewise.
10506 * gimple.c (gimple_build_omp_grid_body): New function.
10507 (gimple_copy): Also handle GIMPLE_OMP_GRID_BODY.
10508 * gimple.def (GIMPLE_OMP_GRID_BODY): New.
10509 * gimple.h (enum gf_mask): Added GF_OMP_PARALLEL_GRID_PHONY,
10510 GF_OMP_FOR_KIND_GRID_LOOP, GF_OMP_FOR_GRID_PHONY and
10511 GF_OMP_TEAMS_GRID_PHONY.
10512 (gimple_statement_omp_single_layout): Updated comments.
10513 (gimple_build_omp_grid_body): New function.
10514 (gimple_has_substatements): Also handle GIMPLE_OMP_GRID_BODY.
10515 (gimple_omp_for_grid_phony): New function.
10516 (gimple_omp_for_set_grid_phony): Likewise.
10517 (gimple_omp_parallel_grid_phony): Likewise.
10518 (gimple_omp_parallel_set_grid_phony): Likewise.
10519 (gimple_omp_teams_grid_phony): Likewise.
10520 (gimple_omp_teams_set_grid_phony): Likewise.
10521 (gimple_return_set_retbnd): Also handle GIMPLE_OMP_GRID_BODY.
10522 * omp-builtins.def (BUILT_IN_GOMP_OFFLOAD_REGISTER): New.
10523 (BUILT_IN_GOMP_OFFLOAD_UNREGISTER): Likewise.
10524 (BUILT_IN_GOMP_TARGET): Updated type.
10525 * omp-low.c: Include symbol-summary.h, hsa.h and params.h.
10526 (adjust_for_condition): New function.
10527 (get_omp_for_step_from_incr): Likewise.
10528 (extract_omp_for_data): Moved parts to adjust_for_condition and
10529 get_omp_for_step_from_incr.
10530 (build_outer_var_ref): Handle GIMPLE_OMP_GRID_BODY.
10531 (fixup_child_record_type): Bail out if receiver_decl is NULL.
10532 (scan_sharing_clauses): Handle OMP_CLAUSE__GRIDDIM_.
10533 (scan_omp_parallel): Do not create child functions for phony
10535 (check_omp_nesting_restrictions): Handle GIMPLE_OMP_GRID_BODY.
10536 (scan_omp_1_op): Checking assert we are not remapping to
10537 ERROR_MARK. Also also handle GIMPLE_OMP_GRID_BODY.
10538 (parallel_needs_hsa_kernel_p): New function.
10539 (expand_parallel_call): Register apprpriate parallel child
10540 functions as HSA kernels.
10541 (grid_launch_attributes_trees): New type.
10542 (grid_attr_trees): New variable.
10543 (grid_create_kernel_launch_attr_types): New function.
10544 (grid_insert_store_range_dim): Likewise.
10545 (grid_get_kernel_launch_attributes): Likewise.
10546 (get_target_argument_identifier_1): Likewise.
10547 (get_target_argument_identifier): Likewise.
10548 (get_target_argument_value): Likewise.
10549 (push_target_argument_according_to_value): Likewise.
10550 (get_target_arguments): Likewise.
10551 (expand_omp_target): Call get_target_arguments instead of looking
10552 up for teams and thread limit.
10553 (grid_expand_omp_for_loop): New function.
10554 (grid_arg_decl_map): New type.
10555 (grid_remap_kernel_arg_accesses): New function.
10556 (grid_expand_target_kernel_body): New function.
10557 (expand_omp): Call it.
10558 (lower_omp_for): Do not emit phony constructs.
10559 (lower_omp_taskreg): Do not emit phony constructs but create for them
10560 a temporary variable receiver_decl.
10561 (lower_omp_taskreg): Do not emit phony constructs.
10562 (lower_omp_teams): Likewise.
10563 (lower_omp_grid_body): New function.
10564 (lower_omp_1): Call it.
10565 (grid_reg_assignment_to_local_var_p): New function.
10566 (grid_seq_only_contains_local_assignments): Likewise.
10567 (grid_find_single_omp_among_assignments_1): Likewise.
10568 (grid_find_single_omp_among_assignments): Likewise.
10569 (grid_find_ungridifiable_statement): Likewise.
10570 (grid_target_follows_gridifiable_pattern): Likewise.
10571 (grid_remap_prebody_decls): Likewise.
10572 (grid_copy_leading_local_assignments): Likewise.
10573 (grid_process_kernel_body_copy): Likewise.
10574 (grid_attempt_target_gridification): Likewise.
10575 (grid_gridify_all_targets_stmt): Likewise.
10576 (grid_gridify_all_targets): Likewise.
10577 (execute_lower_omp): Call grid_gridify_all_targets.
10578 (make_gimple_omp_edges): Handle GIMPLE_OMP_GRID_BODY.
10579 * tree-core.h (omp_clause_code): Added OMP_CLAUSE__GRIDDIM_.
10580 (tree_omp_clause): Added union field dimension.
10581 * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__GRIDDIM_.
10582 * tree.c (omp_clause_num_ops): Added number of arguments of
10583 OMP_CLAUSE__GRIDDIM_.
10584 (omp_clause_code_name): Added name of OMP_CLAUSE__GRIDDIM_.
10585 (walk_tree_1): Handle OMP_CLAUSE__GRIDDIM_.
10586 * tree.h (OMP_CLAUSE_GRIDDIM_DIMENSION): New.
10587 (OMP_CLAUSE_SET_GRIDDIM_DIMENSION): Likewise.
10588 (OMP_CLAUSE_GRIDDIM_SIZE): Likewise.
10589 (OMP_CLAUSE_GRIDDIM_GROUP): Likewise.
10590 * passes.def: Schedule pass_ipa_hsa and pass_gen_hsail.
10591 * tree-pass.h (make_pass_gen_hsail): Declare.
10592 (make_pass_ipa_hsa): Likewise.
10593 * ipa-hsa.c: New file.
10594 * lto-section-in.c (lto_section_name): Add hsa section name.
10595 * lto-streamer.h (lto_section_type): Add hsa section.
10596 * timevar.def (TV_IPA_HSA): New.
10597 * hsa-brig-format.h: New file.
10598 * hsa-brig.c: New file.
10599 * hsa-dump.c: Likewise.
10600 * hsa-gen.c: Likewise.
10603 * toplev.c (compile_file): Call hsa_output_brig.
10604 * hsa-regalloc.c: New file.
10606 2016-01-18 Jeff Law <law@redhat.com>
10608 PR tree-optimization/69320
10609 * tree-ssa-dom.c (record_edge_info): For comparisons against a boolean
10610 ranged object, do nothing if the RHS constant is not [0..1].
10611 (optimize_stmt): Comparing a boolean ranged object against a
10612 constant outside [0..1] results in a compile-time constant.
10614 * tree-ssanames.c (ssa_name_has_boolean_range): Remove unnecessary
10617 2016-01-18 Sandra Loosemore <sandra@codesourcery.com>
10619 * doc/invoke.texi (Invoking GCC): Add new section to menu.
10620 (Option Summary): Update to reflect new section and moved options.
10621 (C++ Dialect Options): Move -fstats to new section.
10622 (Debugging Options): Move all dump, statistics, and other GCC
10623 developer options to new section. Rewrite section introduction
10624 and re-order remaining options to put the more basic ones first.
10625 (Optimization Options): Move -fira-verbose and -flto-report* to
10627 (Developer Options): New section incorporating moved options.
10628 * doc/cppopts.texi (-dM): Update cross-reference.
10630 2016-01-18 Richard Henderson <rth@redhat.com>
10633 * config/aarch64/aarch64.md (add<GPI>3): Move long immediate
10634 operands to pseudo only if CSE is expected. Split long immediate
10635 operands only after reload, and for the stack pointer.
10636 (*add<GPI>3_pluslong): Remove.
10637 (*addsi3_aarch64, *adddi3_aarch64): Merge into...
10638 (*add<GPI>3_aarch64): ... here. Add r/rk/Upl alternative.
10639 (*addsi3_aarch64_uxtw): Add r/rk/Upl alternative.
10640 (*add<GPI>3 peepholes): New.
10641 (*add<GPI>3 splitters): New.
10642 * config/aarch64/constraints.md (Upl): New.
10643 * config/aarch64/predicates.md (aarch64_pluslong_strict_immedate): New.
10645 2016-01-18 Richard Biener <rguenther@suse.de>
10647 PR tree-optimization/69297
10648 * tree-vect-slp.c (vect_bb_slp_scalar_cost): Count each scalar
10650 (vect_bb_vectorization_profitable_p): Clear visited flag again.
10652 2016-01-18 Yuri Rumyantsev <ysrumyan@gmail.com>
10654 PR middle-end/68542
10655 * fold-const.c (fold_binary_op_with_conditional_arg): Bail out for case
10656 of mixind vector and scalar types.
10657 (fold_relational_const): Add handling of vector
10658 comparison with boolean result.
10659 * tree-cfg.c (verify_gimple_comparison): Add argument CODE, allow
10660 comparison of vector operands with boolean result for EQ/NE only.
10661 (verify_gimple_assign_binary): Adjust call for verify_gimple_comparison.
10662 (verify_gimple_cond): Likewise.
10663 * tree-vrp.c (extract_code_and_val_from_cond_with_ops): Modify check on
10666 2016-01-18 Joseph Myers <joseph@codesourcery.com>
10668 * config/mips/mips.h (ISA_HAS_PAIRED_SINGLE): Require
10671 2016-01-18 Richard Biener <rguenther@suse.de>
10673 PR middle-end/69308
10674 * gimple.c (gimple_could_trap_p_1): Handle GIMPLE_COND.
10676 2016-01-18 Tom de Vries <tom@codesourcery.com>
10678 * passes.def: Add pass_parallelize_loops to pass_oacc_kernels.
10680 2016-01-18 Tom de Vries <tom@codesourcery.com>
10682 * omp-low.c (set_oacc_fn_attrib): Make extern.
10683 * omp-low.h (set_oacc_fn_attrib): Declare.
10684 * tree-parloops.c (struct reduction_info): Add reduc_addr field.
10685 (create_call_for_reduction_1): Handle case that reduc_addr is non-NULL.
10686 (create_parallel_loop, gen_parallel_loop, try_create_reduction_list):
10687 Add and handle function parameter oacc_kernels_p.
10688 (find_reduc_addr, get_omp_data_i_param): New function.
10689 (ref_conflicts_with_region, oacc_entry_exit_ok_1)
10690 (oacc_entry_exit_single_gang, oacc_entry_exit_ok): New function.
10691 (parallelize_loops): Add and handle function parameter oacc_kernels_p.
10692 Calculate dominance info. Skip loops that are not in a kernels region
10693 in oacc_kernels_p mode. Skip inner loops of parallelized loops.
10694 (pass_parallelize_loops::execute): Call parallelize_loops with
10695 oacc_kernels_p argument.
10696 (pass_parallelize_loops::clone, pass_parallelize_loops::set_pass_param):
10697 New member function.
10698 (pass_parallelize_loops::bool oacc_kernels_p): New member var.
10699 * passes.def: Add argument to pass_parallelize_loops instantation.
10701 2016-01-18 Tom de Vries <tom@codesourcery.com>
10703 * tree-parloops.c (pass_parallelize_loops::execute): Allow
10704 pass_parallelize_loops to be run outside the loop pipeline.
10706 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
10708 * tree-scalar-evolution.c (follow_copies_to_constant): New.
10709 (analyze_initial_condition, analyze_scalar_evolution_1): Call previous.
10711 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
10714 * tree-ssa-scopedtables.c (avail_expr_hash): Hash MEM_REF and ARRAY_REF
10715 using get_ref_base_and_extent.
10716 (equal_mem_array_ref_p): New.
10717 (hashable_expr_equal_p): Add call to previous.
10719 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
10722 * tree-sra.c (disqualified_constants, constant_decl_p): New.
10723 (sra_initialize): Allocate disqualified_constants.
10724 (sra_deinitialize): Free disqualified_constants.
10725 (disqualify_candidate): Update disqualified_constants when appropriate.
10726 (create_access): Scan for constant-pool entries as we go along.
10727 (scalarizable_type_p): Add check against type_contains_placeholder_p.
10728 (maybe_add_sra_candidate): Allow constant-pool entries.
10729 (load_assign_lhs_subreplacements): Bind debug for constant pool vars.
10730 (initialize_constant_pool_replacements): New.
10731 (sra_modify_assign): Avoid mangling assignments created by previous,
10732 and don't generate writes into constant pool.
10733 (sra_modify_function_body): Call initialize_constant_pool_replacements.
10735 2016-01-18 Ilya Enkovich <enkovich.gnu@gmail.com>
10737 * config/i386/i386.c (scalar_to_vector_candidate_p): Support
10738 andnot instruction.
10739 (scalar_chain::convert_op): Likewise.
10740 * config/i386/i386.md (*andndi3_doubleword): New.
10742 2016-01-18 Richard Biener <rguenther@suse.de>
10744 PR tree-optimization/69170
10745 * tree-vect-slp.c (vect_build_slp_tree): Verify we are not
10746 building a vector from scalar results of a pattern stmt.
10748 2016-01-18 Jakub Jelinek <jakub@redhat.com>
10750 * haifa-sched.c (autopref_multipass_init): Work around
10751 -Wmaybe-uninitialized warning.
10753 2016-01-18 Thomas Preud'homme <thomas.preudhomme@arm.com>
10755 * config/arm/arm.c (thumb1_reorg): Check that the comparison is
10756 against the constant 0.
10758 2016-01-17 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
10760 PR tree-optimization/68799
10761 * gimple-ssa-strength-reduction.c (create_phi_basis): Directly
10762 look up phi candidates in the statement-candidate map.
10763 (phi_add_costs): Likewise.
10764 (record_phi_increments): Likewise.
10765 (phi_incr_cost): Likewise.
10766 (ncd_with_phi): Likewise.
10767 (all_phi_incrs_profitable): Likewise.
10769 2016-01-17 Jakub Jelinek <jakub@redhat.com>
10771 * omp-low.c (mark_loops_in_oacc_kernels_region): Work around
10772 -Wmaybe-uninitialized warning.
10774 2016-01-16 Sandra Loosemore <sandra@codesourcery.com>
10776 * doc/invoke.texi (Invoking GCC): Add new section to menu.
10777 (Option Summary): Update to reflect new section and moved options.
10778 (C++ Dialect Options): Move -fvtable-verify and related options.
10779 (Debugging Options): Move Sanitizer, Pointer Bounds Checker,
10780 and profiling-related options.
10781 (Optimization Options): Move profile generation options and
10782 -fstack-protector and related options.
10783 (Instrumentation Options): New section incorporating moved options.
10784 (Code Generation Options): Move -finstrument-functions and
10785 related options, -fstack-check, -fstack-limit*, and -fbounds-check.
10787 2016-01-16 Tom de Vries <tom@codesourcery.com>
10789 * passes.def: Move pass_expand_omp_ssa out of pass_parallelize_loops.
10791 2016-01-16 Tom de Vries <tom@codesourcery.com>
10793 * omp-low.c (expand_omp_atomic_fetch_op): Release defs of update stmt.
10795 2016-01-16 Richard Sandiford <richard.sandiford@arm.com>
10797 * hash-table.h (hash_table::empty): Turn into an inline wrapper
10798 that checks whether the table is already empty. Rename the
10799 original implementation to...
10800 (hash_table::empty_slot): ...this new private function.
10802 2016-01-15 David Malcolm <dmalcolm@redhat.com>
10804 PR diagnostic/68899
10805 * diagnostic-show-locus.c (layout::print_source_line): Move x
10806 offset of line until after call to
10807 get_line_width_without_trailing_whitespace.
10809 2016-01-15 Jeff Law <law@redhat.com>
10811 PR tree-optimization/69270
10812 * tree-ssanames.c (ssa_name_has_boolean_range): Moved here from
10813 tree-ssa-dom.c. Improve test for [0..1] ranve from VRP.
10814 * tree-ssa-dom.c (ssa_name_has_boolean_range): Remove.
10815 * tree-ssanames.h (ssa_name_has_boolean_range): Prototype.
10816 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
10817 ssa_name_has_boolean_range and constant_boolean_node.
10819 2016-01-15 Vladimir Makarov <vmakarov@redhat.com>
10821 PR rtl-optimization/69030
10822 * lra-spills.c (remove_pseudos): Check nrefs and make the function
10824 (spill_pseudos): Delete debug insn for dead pseudo.
10825 (lra_spill): Initiate spill_hard_reg and slots memory separately.
10827 2016-01-15 Jiong Wang <jiong.wang@arm.com>
10829 * config/aarch64/aarch64-builtins.c (aarch64_types_unopus_qualifiers):
10831 (TYPES_UNOPUS): Likewise.
10832 * config/aarch64/aarch64-simd-builtins.def (lbtruncuv2sf): Correct
10833 builtin type, from UNOP to UNOPUS.
10834 (lbtruncuv4sf): Likewise.
10835 (lbtruncuv2df): Likewise.
10836 (lrounduv2sf): Likewise.
10837 (lrounduv4sf): Likewise.
10838 (lrounduv2df): Likewise.
10839 (lroundusf): Likewise.
10840 (lroundusf): Likewise.
10841 (lceiluv2sf): Likewise.
10842 (lceiluv4sf): Likewise.
10843 (lceiluv2df): Likewise.
10844 (lceilusf): Likewise.
10845 (lceiludf): Likewise.
10846 (lflooruv2sf): Likewise.
10847 (lflooruv4sf): Likewise.
10848 (lflooruv2df): Likewise.
10849 (lfloorusf): Likewise.
10850 (lfloorudf): Likewise.
10851 (lfrintnuv2sf): Likewise.
10852 (lfrintnuv4sf): Likewise.
10853 (lfrintnuv2df): Likewise.
10854 (lfrintnusf): Likewise.
10855 (lfrintnudf): Likewise.
10856 * config/aarch64/arm_neon.h (vcvt_u32_f32): Remove unncessary type
10858 (vcvtq_u32_f32): Likewise.
10859 (vcvtq_u64_f64): Likewise.
10860 (vcvta_u32_f32): Likewise.
10861 (vcvtaq_u32_f32): Likewise.
10862 (vcvtaq_u64_f64): Likewise.
10863 (vcvtm_u32_f32): Likewise.
10864 (vcvtmq_u32_f32): Likewise.
10865 (vcvtmq_u64_f64): Likewise.
10866 (vcvtn_u32_f32): Likwise.
10867 (vcvtnq_u32_f32): Likewise.
10868 (vcvtnq_u64_f64): Likewise.
10869 (vcvtp_u32_f32): Likewise.
10870 (vcvtpq_u32_f32): Likewise.
10871 (vcvtpq_u64_f64): Likewise.
10872 (vcvtmd_u64_f64): Likewise.
10873 (vcvtms_u32_f32): Likewise.
10874 (vcvtad_u64_f64): Likewise.
10875 (vcvtas_u32_f32): Likewise.
10876 (vcvtnd_u64_f64): Likewise.
10877 (vcvtns_u32_f32): Likewise.
10878 (vcvtpd_u64_f64): Likewise.
10879 (vcvtps_u32_f32): Likewise.
10881 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
10883 * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Handle
10884 CSEL of zero_extended registers.
10886 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
10888 * config/aarch64/aarch64.c (aarch64_rtx_costs, COMPARE case):
10889 Handle COMPARE of ZERO_EXTRACT against zero form of TST-immediate.
10891 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
10893 * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Return
10894 false when argument string is not found in the attributes table
10897 2016-01-15 David Edelsohn <dje.gcc@gmail.com>
10900 * config/rs6000/rs6000.c (rs6000_emit_msub): Delete.
10901 (rs6000_emit_swsqrt): Convert to Goldschmidt's Algorithm
10902 * config/rs6000/rs6000.md (sqrt<mode>2): Limit swsqrt to high
10903 precision estimate.
10905 2016-01-15 Richard Biener <rguenther@suse.de>
10907 PR tree-optimization/66856
10908 * tree-vect-loop.c (vect_transform_loop): Free SLP instances here.
10909 * tree-vect-slp.c (vect_free_slp_tree): Decrement stmt reference count.
10910 (vect_create_new_slp_node): Increment stmt reference count.
10911 (vect_get_and_check_slp_defs): Make sure stmts are nor already in
10912 an SLP tree before swapping operands.
10913 (vect_build_slp_tree): Likewise.
10914 (destroy_bb_vec_info): Free stmt info after SLP instances.
10915 * tree-vect-stmts.c (new_stmt_vec_info): Initialize reference count.
10916 * tree-vectorizer.h (struct _stmt_vec_info): Add num_slp_uses field.
10917 (STMT_VINFO_NUM_SLP_USES): New macro.
10919 2016-01-15 Richard Biener <rguenther@suse.de>
10922 * dwarf2out.c (add_linkage_name_raw): New function split out from ...
10923 (add_linkage_name): ... here.
10924 (gen_typedef_die): Use add_linkage_name_raw instead of
10925 add_linkage_attr to delay DECL_ASSEMBLER_NAME computation
10928 2016-01-15 Cesar Philippidis <cesar@codesourcery.com>
10930 * gimplify.c (oacc_default_clause): Decode reference and pointer
10931 types for both kernels and parallel regions.
10933 2016-01-15 Richard Sandiford <richard.sandiford@arm.com>
10935 PR middle-end/69246
10936 * calls.c (emit_call_1): Force n_popped to zero for sibcalls.
10938 2016-01-15 Ilya Enkovich <enkovich.gnu@gmail.com>
10940 * config/i386/i386.c (scalar_chain::compute_convert_gain): Fix typo.
10941 (convert_scalars_to_vector): Likewise.
10943 2016-01-15 Jonathan Wakely <jwakely@redhat.com>
10945 * doc/extend.texi (Type Traits): Fix grammar.
10947 2016-01-15 Martin Jambor <mjambor@suse.cz>
10949 * tree-inline.c (remap_decl): Use existing dclarations if
10950 remapping a type and prevent_decl_creation_for_types.
10951 (replace_locals_stmt): Do an initial remapping of non-VLA typed
10952 decls first. Do real remapping with
10953 prevent_decl_creation_for_types set.
10954 * tree-inline.h (copy_body_data): New field
10955 prevent_decl_creation_for_types, moved remap_var_for_cilk to avoid
10958 2016-01-15 Dominik Vogt <vogt@linux.vnet.ibm.com>
10960 * config/s390/s390.opt (mmvcle): More verbose help text.
10962 2016-01-15 Dominik Vogt <vogt@linux.vnet.ibm.com>
10964 * config/s390/s390.opt: Add period to -mzvector option text.
10966 2016-01-15 Richard Biener <rguenther@suse.de>
10968 PR tree-optimization/68961
10969 * tree-vect-slp.c (vect_analyze_slp_cost_1): Consider cost
10970 of invariants in stores again.
10972 2016-01-15 Sebastian Huber <sebastian.huber@embedded-brains.de>
10974 * config/arm/t-rtems: Add cortex-m7/fpv5-d16 multilib.
10976 2016-01-15 Ilya Enkovich <enkovich.gnu@gmail.com>
10978 * config/i386/i386.c (ix86_expand_branch): Don't split
10979 DI mode xor instruction to SI mode.
10981 2016-01-15 Jan Hubicka <hubicka@ucw.cz>
10984 * ipa-icf.c (sem_function::merge): Virtual functions may become
10985 reachable even if they address is not taken and there are no
10988 2016-01-15 Jan Hubicka <hubicka@ucw.cz>
10990 * lto-streamer-out.c (subtract_estimated_size): New function.
10991 (get_symbol_initial_value): Use it.
10993 2016-01-15 Christian Bruel <christian.bruel@st.com>
10996 * config/arm/arm-builtins.c (ARM_BUILTIN_CRYPTO_BASE): New enum tag.
10997 (arm_init_neon_builtins_internal): Rename arm_init_neon_builtins,
10998 (arm_init_crypto_builtins_internal): Rename arm_init_crypto_builtins.
10999 use add_builtin_function_ext_scope instead of add_builtin_function.
11000 (neon_set_p, neon_crypto_set_p): Remove.
11001 (arm_init_builtins): Always call arm_init_neon_builtins and
11002 arm_init_crypto_builtins.
11003 (arm_expand_builtin): Check that builtins are allowed for the arch.
11004 * config/arm/arm-protos.h (arm_init_neon_builtins): Remove prototype.
11005 * config/arm/arm.c (arm_valid_target_attribute_tree): Remove
11006 arm_init_neon_builtins call.
11008 2016-01-15 Richard Biener <rguenther@suse.de>
11010 PR tree-optimization/69117
11011 * tree-ssa-sccvn.h (struct vn_ssa_aux): Add info member.
11012 * tree-ssa-sccvn.c (set_ssa_val_to): Save and adjust SSA name info
11013 of the leader conservatively.
11014 (free_scc_vn): Restore original SSA name infos.
11016 2016-01-14 Jeff Law <law@redhat.com>
11018 PR tree-optimization/69270
11019 * tree-ssa-dom.c (ssa_name_has_boolean_range): If the type has a
11020 single bit of precision, verify it's also unsigned.
11021 (record_edge_info): Use constant_boolean_node rather than fold_convert
11022 to convert boolean_true/boolean_false to the right type.
11024 2016-01-14 Richard Henderson <rth@redhat.com>
11027 * loop-doloop.c (record_reg_sets): New.
11028 (doloop_optimize): Reject the transform if the sequence
11029 clobbers registers live at the end of the loop block.
11030 (doloop_optimize_loops): Enable df_live if needed.
11032 2016-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
11034 * config/rs6000/rs6000-builtin.def: Revert 2016-01-13 change.
11035 * gcc/config/rs6000/rs6000.c: Likewise.
11036 * gcc/config/rs6000/rs6000.h: Likewise.
11037 * gcc/config/rs6000/rs6000.md: Likewise.
11038 * gcc/doc/extend.texi: Likewsie.
11040 2016-01-14 Jeff Law <law@redhat.com>
11042 * tree-ssa-dom.c (ssa_name_has_boolean_range): Fix comment
11045 2016-01-14 Richard Henderson <rth@redhat.com>
11049 * trans-mem.c (tm_log_emit_stmt): Fix unit size to bit size.
11050 * tree.c (build_tm_vector_builtins): Use builtin_decl_explicit_p
11051 instead of builtin_decl_declared_p to test for declaration.
11053 2016-01-14 Nicklas Bo Jensen <nbjensen@gmail.com>
11055 * doc/loop.texi (Loop Analysis and Representation): Document
11056 loop_depth function.
11058 2016-01-14 Tom de Vries <tom@codesourcery.com>
11060 PR tree-optimization/68773
11061 * omp-low.c (expand_omp_target): Don't set force_output.
11062 * varpool.c (varpool_node::get_create): Same.
11063 * lto-cgraph.c (input_offload_tables): Mark entries in offload_vars and
11064 offload_funcs with force_output.
11066 2016-01-14 Jakub Jelinek <jakub@redhat.com>
11069 * lra-eliminations.c (move_plus_up): Don't change anything if either
11070 the outer or inner subreg mode is not MODE_INT.
11071 * dwarf2out.c (mem_loc_descriptor): For SUBREG, if outer mode is
11072 integral <= DWARF2_ADDR_SIZE, convert to untyped afterwards.
11074 2016-01-14 Alan Lawrence <alan.lawrence@arm.com>
11076 * doc/md.texi (reduc_smin_@var{m}, reduc_smax_@var{m},
11077 reduc_umin_@var{m}, reduc_umax_@var{m}, reduc_splus_@var{m},
11078 reduc_uplus_@var{m}): Remove.
11079 * expr.c (expand_expr_real_2): Remove expansion path for
11080 reduc_[us](min|max|plus) optabs.
11081 * optabs-tree.c (scalar_reduc_to_vector): Remove.
11082 * optabs-tree.h (scalar_reduc_to_vector): Remove.
11083 * optabs.def (reduc_smax_optab, reduc_smin_optab, reduc_splus_optab,
11084 reduc_umax_optab, reduc_umin_optab, reduc_uplus_optab): Remove.
11085 * tree-vect-loop.c (vectorizable_reduction): Remove test for
11086 reduc_[us](min|max|plus) optabs.
11088 2016-01-14 Alan Lawrence <alan.lawrence@arm.com>
11090 * config/mips/mips-ps-3d.md (reduc_splus_v2sf): Remove.
11091 (reduc_plus_scal_v2sf): New.
11092 (reduc_smax_v2sf): Rename to...
11093 (reduc_smax_scal_v2sf): ...here, make result SFmode, add vec_extract.
11094 (reduc_smin_v2sf): Rename to...
11095 (reduc_smin_scal_v2sf): ...here, make result SFmode, add vec_extract.
11097 2016-01-14 Jan Hubicka <hubicka@ucw.cz>
11099 * alias.c (compare_base_symbol_refs): New function.
11100 (rtx_equal_for_memref_p, base_alias_check, memrefs_conflict_p): Use
11103 2016-01-14 Jakub Jelinek <jakub@redhat.com>
11105 PR middle-end/68146
11106 PR tree-optimization/69155
11107 * tree-complex.c: Include cfganal.h.
11108 (phis_to_revisit): New variable.
11109 (extract_component): Add phiarg_p argument. Assert that returned
11110 SSA_NAME has non-NULL SSA_NAME_DEF_STMT unless phiarg_p is true.
11111 (update_phi_components): Partly rewrite to use loop over real/imag
11112 components instead of code duplication. If extract_component returns
11113 SSA_NAME with NULL SSA_NAME_DEF_STMT, store SSA_NAME_VAR or
11114 create_tmp_reg into the PHI node instead, and mention the phi triplet
11115 in phis_to_revisit.
11116 (tree_lower_complex): Walk bbs in rpo order. Adjust phis recorded
11117 in phis_to_revisit at the end.
11119 2016-01-14 Richard Biener <rguenther@suse.de>
11121 PR tree-optimization/68060
11122 * tree-vect-loop.c (vect_is_simple_reduction): Check the
11123 outer loop reduction is only used in the inner loop before
11124 detecting a double reduction.
11126 2016-01-14 Jakub Jelinek <jakub@redhat.com>
11129 * combine.c (expand_field_assignment): Punt if compute_mode is
11130 unsupported scalar mode.
11132 2016-01-14 Richard Biener <rguenther@suse.de>
11134 PR tree-optimization/66856
11135 * tree-vect-slp.c (vect_build_slp_tree): Refactor to build
11136 SLP node only if it built successfully.
11137 (vect_analyze_slp_instance): Adjust.
11139 2016-01-14 Jeff Law <law@redhat.com>
11141 PR tree-optimization/69270
11142 * tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
11143 (record_edge_info): Use it. Convert boolean_{true,false}_node
11144 to the type of op0.
11146 2016-01-13 Jan Hubicka <hubicka@ucw.cz>
11149 * ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p):
11150 use block_ultimate_origin
11151 (noncall-stmt_may_be_vtbl_ptr_store): Likewise.
11153 2016-01-13 Sandra Loosemore <sandra@codesourcery.com>
11155 * doc/invoke.texi (Submodel Options): Rename section to
11156 "Machine-Dependent Options" to better reflect its content.
11157 Rewrite introductory text to remove archaic CPU names.
11160 2016-01-13 Sandra Loosemore <sandra@codesourcery.com>
11162 * doc/invoke.texi (Code Gen Options): Move section up in file,
11163 before target-specific options. Update menu and option summary
11164 to reflect the new section ordering.
11166 2016-01-13 Jonathan Wakely <jwakely@redhat.com>
11168 * doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
11169 (C++ Dialect Options): Add cross-reference to -std option.
11170 * doc/standards.texi (C++ Language): Document C++14 support.
11172 2016-01-13 Michael Meissner <meissner@linux.vnet.ibm.com>
11174 * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): Add support
11175 for pack/unpack functions for __ibm128.
11176 (PACK_IF): Likewise.
11177 (UNPACK_IF): Likewise.
11179 * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
11180 support for __ibm128 pack/unpack functions.
11181 (rs6000_invalid_builtin): Likewise.
11182 (rs6000_init_builtins): Likewise.
11183 (rs6000_opt_masks): Likewise.
11185 * config/rs6000/rs6000.h (MASK_FLOAT128): Add short name.
11186 (RS6000_BTM_FLOAT128): Add support for __ibm128 pack/unpack
11188 (RS6000_BTM_COMMON): Likewise.
11190 * config/rs6000/rs6000.md (f128_vsx): New mode attribute.
11191 (unpack<mode>): Use FMOVE128_FPR iterator instead of FMOVE128, to
11192 disallow __builtin_{pack,unpack}_longdouble if long double is IEEE
11193 128-bit floating point. Add support for the double values to be
11194 in Altivec registers for TF/IF packing and unpacking, but restrict
11195 TD packing sub-fields to be FPR registers. Don't allow overlapped
11196 register support for packing. Allow pack inputs to be memory
11197 locations. Don't build generator functions for unpack<mode>_dm
11198 and unpack<mode>_nodm.
11199 (unpack<mode>_dm): Likewise.
11200 (unpack<mode>_nodm): Likewise.
11201 (pack<mode>): Likewise.
11203 * config/rs6000/rs6000-builtin.def (__builtin_pack_ibm128): Add
11204 built-in functions to pack/unpack explicit __ibm128 values.
11205 (__builtin_unpack_ibm128): Likewise.
11207 * doc/extend.texi (PowerPC Built-in Functions): Document
11208 __builtin_pack_ibm128 and __builtin_unpack_ibm128.
11210 2016-01-13 Bernd Schmidt <bschmidt@redhat.com>
11213 * c-common.c (check_function_nonnull): Remove unnecessary declaration.
11214 Add new arg loc and pass it down as context.
11215 (check_nonnull_arg): Don't mark ctx arg as unused. Use it as a pointer
11216 to the location to use for the warning.
11217 (check_function_arguments): New arg loc. All callers changed. Pass
11218 it to check_function_nonnull.
11219 * c-common.h (check_function_arguments): Adjust declaration.
11221 2016-01-13 Jakub Jelinek <jakub@redhat.com>
11223 PR tree-optimization/69156
11224 * gimple.c (validate_type): Removed.
11225 (gimple_builtin_call_types_compatible_p): Use
11226 useless_type_conversion_p instead of validate_type.
11227 * value-prof.c (gimple_stringop_fixed_value): Fold
11228 icall_size to correct type.
11230 2016-01-13 Jonathan Wakely <jwakely@redhat.com>
11232 * doc/extend.texi (__atomic Builtins): Clarify compare_exchange
11235 2016-01-13 Richard Henderson <rth@redhat.com>
11238 * target.def (builtin_tm_load, builtin_tm_store): Remove.
11239 * config/i386/i386.c (ix86_builtin_tm_load): Remove.
11240 (ix86_builtin_tm_store): Remove.
11241 (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
11242 (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
11243 * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
11244 (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
11245 * doc/tm.texi: Rebuild.
11247 * gtm-builtins.def (BUILT_IN_TM_MEMCPY_RNWT): New.
11248 (BUILT_IN_TM_MEMCPY_RTWN): New.
11249 * trans-mem.c (tm_log_emit_stmt): Rearrange code for better
11250 fallback from vector to integer helpers.
11251 (build_tm_load): Handle vector types directly, instead of
11253 (build_tm_store): Likewise.
11254 (expand_assign_tm): Prepare for register types not handled by
11255 the above. Copy them to memory and use memcpy.
11256 * tree.c (tm_define_builtin): New.
11257 (find_tm_vector_type): New.
11258 (build_tm_vector_builtins): New.
11259 (build_common_builtin_nodes): Call it.
11261 2016-01-13 Uros Bizjak <ubizjak@gmail.com>
11263 * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Return -1 for
11264 TARGET_SSE_MATH without TARGET_SSE2. Rewrite.
11266 2016-01-13 Tom de Vries <tom@codesourcery.com>
11268 PR tree-optimization/69169
11269 * tree-ssa-structalias.c (create_variable_info_for_1): Add and handle
11270 handled_struct_type param.
11271 (create_variable_info_for, intra_create_variable_infos): Call
11272 create_variable_info_for_1 with extra arg.
11274 2016-01-13 Yvan Roux <yvan.roux@linaro.org>
11276 * config/arm/arm-arches.def: Remove spurious whitespace in "armv8.1-a"
11277 and "armv8.1-a+crc" entries.
11279 2016-01-13 Alexander Fomin <alexander.fomin@intel.com>
11282 * config/i386/sse.md (define_expand "avx512pf_gatherpf<mode>sf"):
11283 Change first operand predicate from register_or_constm1_operand
11284 to register_operand.
11285 (define_expand "avx512pf_gatherpf<mode>df"): Likewise.
11286 (define_expand "avx512pf_scatterpf<mode>sf"): Likewise.
11287 (define_expand "avx512pf_scatterpf<mode>df"): Likewise.
11288 (define_insn "*avx512pf_gatherpf<mode>sf"): Remove.
11289 (define_insn "*avx512pf_gatherpf<mode>df"): Likewise.
11290 (define_insn "*avx512pf_scatterpf<mode>sf"): Likewise.
11291 (define_insn "*avx512pf_scatterpf<mode>df"): Likewise.
11292 * config/i386/i386.c (ix86_expand_builtin): Remove first operand
11293 comparison with constm1_rtx from vec_prefetch_gen part.
11295 2016-01-13 Richard Biener <rguenther@suse.de>
11297 PR tree-optimization/69013
11298 * tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths):
11299 Exchange assert for a test.
11301 2016-01-13 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
11304 * config/s390/s390.md (bswaphi splitter): Use simplify_gen_subreg.
11306 2016-01-13 Richard Biener <rguenther@suse.de>
11308 PR tree-optimization/69242
11309 * tree-ssa-sccvn.c (visit_reference_op_load): Replace bogus
11310 assert with a check.
11312 2016-01-13 Richard Biener <rguenther@suse.de>
11314 PR tree-optimization/69186
11315 * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
11316 Properly guard vect_update_misalignment_for_peel call.
11318 2016-01-12 Jeff Law <law@redhat.com>
11320 PR tree-optimization/pr67755
11321 * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add new field
11322 "need_profile_correction".
11323 (thread_block_1): Initialize new field to false by default. If we
11324 have multiple thread paths through a common joiner to different
11325 final targets, then set new field to true.
11326 (compute_path_counts): Only do count adjustment when it's really
11329 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
11331 * doc/invoke.texi (Spec Files): Move section down in file, past
11332 all command-line option descriptions.
11334 2016-01-12 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
11336 PR middle-end/54809
11337 * doc/gty.texi: Remove documentation of mark_hook.
11338 * gengtype.c (struct write_types_data): Remove code to support
11339 mark_hook attribute.
11340 (walk_type): Likewise.
11341 (write_func_for_structure): Likewise.
11343 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
11345 * doc/invoke.texi (Option Summary) Move -no-canonical-prefixes to
11346 Directory Options, and -specs= to Overall Options.
11347 (Overall Options): Adjust similarly. Reorder to group related
11348 options together. Make -specs= cross-reference the spec file details.
11349 (Directory Options): Adjust similarly.
11351 2016-01-12 Jeff Law <law@redhat.com>
11353 * tree-ssa-threadupdate.c: Various whitespace and typo fixes.
11355 2016-01-12 Olivier Hainque <hainque@adacore.com>
11357 * gcc.c (spec_undefvar_allowed): New global.
11358 (process_command): Set to true when running for --version or --help,
11360 (getenv_spec_function): When the variable is not defined, use the
11361 variable name as the variable value if we're allowed not to issue
11364 2016-01-12 Bin Cheng <bin.cheng@arm.com>
11366 PR tree-optimization/68911
11367 * tree-vrp.c (adjust_range_with_scev): Check overflow in range
11368 information computed for expression "init + nit * step".
11370 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
11372 * doc/invoke.texi (Invoking GCC): Copy-edit. Incorporate information
11373 about name of GCC executable. Remove deleted node from menu.
11374 (Directory Options) <-B>: Remove cross-reference to deleted node.
11375 (Target Options): Delete section.
11377 2016-01-12 Christian Bruel <christian.bruel@st.com>
11380 * config/arm/arm-c.c (arm_pragma_target_parse): Set NODE_CONDITIONAL
11381 for __ARM_NEON_FP, __ARM_FP, _ARM_FEATURE_LDREX.
11383 2016-01-12 Jakub Jelinek <jakub@redhat.com>
11386 * config/i386/i386.c (ix86_expand_special_args_builtin): Ensure
11387 aligned_mem is properly set for AVX512-VL floating point masked
11391 * ifcvt.c (cond_exec_process_if_block): When removing the last
11392 insn from then_bb, remove also any possible barriers that follow it.
11394 2016-01-12 H.J. Lu <hongjiu.lu@intel.com>
11398 * config/i386/iamcu.h (SIZE_TYPE): New macro.
11399 (PTRDIFF_TYPE): Likewise.
11400 (WCHAR_TYPE): Likewise.
11401 (WCHAR_TYPE_SIZE): Likewise.
11402 (STDINT_LONG32): Likewise.
11404 2016-01-12 Richard Biener <rguenther@suse.de>
11406 PR tree-optimization/69053
11407 * tree-vect-loop.c (get_initial_def_for_reduction): Properly
11408 convert initial value for cond reductions.
11410 2016-01-12 Richard Biener <rguenther@suse.de>
11412 PR tree-optimization/69007
11413 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Move
11414 widen_sum after dot_prod and sad.
11416 2016-01-12 Richard Biener <rguenther@suse.de>
11418 PR tree-optimization/69168
11419 * tree-vect-loop.c (vect_analyze_loop_2): Reset both main and
11420 pattern stmt SLP type.
11421 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Patterns may
11422 end up unused so cope with that case.
11424 2016-01-12 Richard Biener <rguenther@suse.de>
11426 PR tree-optimization/69157
11427 * tree-vect-stmts.c (vectorizable_mask_load_store): Check
11428 stmts def type only during analyze phase.
11429 (vectorizable_call): Likewise.
11430 (vectorizable_simd_clone_call): Likewise.
11431 (vectorizable_conversion): Likewise.
11432 (vectorizable_assignment): Likewise.
11433 (vectorizable_shift): Likewise.
11434 (vectorizable_operation): Likewise.
11435 (vectorizable_store): Likewise.
11436 (vectorizable_load): Likewise.
11438 2016-01-12 Richard Biener <rguenther@suse.de>
11440 PR tree-optimization/69174
11441 * tree-vect-stmts.c (vect_mark_relevant): Remove excessive vertical
11443 (vectorizable_load): Properly compute the number of loads needed
11444 for permuted strided SLP loads and do not spuriously assign
11445 to SLP_TREE_VEC_STMTS.
11447 2016-01-12 Andris Pavenis <andris.pavenis@iki.fi>
11449 * config/i386/djgpp.h (PREFERRED_DEBUGGING_TYPE): Define to DWARF2
11450 (TARGET_ASM_OUTPUT_IDENT): Define to default_asm_output_ident_directive
11451 (MD_EXEC_PREFIX): Remove.
11452 (MD_STARTFILE_PREFIX) Removee.
11453 (FILE_NAME_ABSOLUTE_P): Remove.
11454 (CPP_SPEC): Do not read macros from sys/version.h.
11455 (LINK_COMMAND_SPEC): Remove.
11456 (LOCAL_INCLUDE_DIR): Remove.
11457 (TARGET_ASM_NAMED_SECTION): Define to i386_djgpp_asm_named_section
11458 (TARGET_OS_CPP_BUILTINS): Add DJGPP (non ISO only), __DJGPP, __DJGPP__, unix.
11459 (POST_LINK_SPEC): Define to invoke stubify after linker
11460 (LIBSTDCXX): Remove define
11461 (DBX_REGISTER_NUMBER): Define to svr4_dbx_register_map.
11462 (DEFAULT_PCC_STRUCT_RETURN): Define to 1.
11463 (SUBTARGET_OVERRIDE_OPTIONS): Remove warning about -mbnu2210.
11464 (SUBTARGET_OVERRIDE_OPTIONS): Ignore -fPIC and generate message.
11465 (SUBTARGET_OVERRIDE_OPTIONS): Default to DWARF2 debugging info.
11466 (IX86_MAYBE_NO_LIBGCC_TFMODE): Remove.
11467 (i386_djgpp_asm_named_section): Add propotype of new procedure
11469 * config/i386/xm-djgpp.h (NATIVE_SYSTEM_HEADER_DIR): Define.
11470 (MD_EXEC_PREFIX): Define (moved from config/i386/djgpp.h).
11471 (STANDARD_STARTFILE_PREFIX_1): Define (moved from MD_STARTFILE_PREFIX
11472 in config/i386/djgpp.h).
11473 (STANDARD_STARTFILE_PREFIX_2): Define identical to
11474 STANDARD_STARTFILE_PREFIX_1.
11475 (LOCAL_INCLUDE_DIR): Define (moved from config/i386/djgpp.h).
11476 (GCC_DRIVER_HOST_INITIALIZATION): Fix reporting fatal
11477 installation errors.
11478 (MAX_OFILE_ALIGNMENT): Define to 128.
11479 (HAVE_FTW_H): Undefine as DJGPP do not have nftw, but have ftw.h.
11481 * config/i386/djgpp.c: New file. Add implementation of
11482 i386_djgpp_asm_named_section.
11484 * config/i386/djgpp.opt: Remove obsolete option -mbnu210.
11486 * config/i386/t-djgpp: New file. Add djgpp.o to EXTRA_OBJS.
11487 Add rule for building djgpp.o.
11489 2016-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
11491 * config/rs6000/rs6000.c (v2df_reduction_p): New function.
11492 (rtx_is_swappable_p): Reductions are swappable.
11493 (insn_is_swappable_p): V2DF reductions are swappable.
11495 2016-01-11 John David Anglin <danglin@gcc.gnu.org>
11497 * config/pa/pa.c (pa_emit_move_sequence): Handle floating point
11498 reloads for other unsupported memory operands.
11500 2016-01-12 Kugan Vivekanandarajah <kuganv@linaro.org>
11501 Jim Wilson <jim.wilson@linaro.org>
11504 * config/arm/arm-builtins.c (arm_expand_neon_args): Call
11505 copy_to_mode_reg instead of force_reg.
11507 2016-01-11 H.J. Lu <hongjiu.lu@intel.com>
11510 * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Set to 2 only if
11511 TARGET_80387 is true.
11513 2016-01-11 Jakub Jelinek <jakub@redhat.com>
11516 * lra-eliminations.c (move_plus_up): Only move plus up
11517 if subreg of the constant can be simplified into constant
11518 and use the simplified subreg of the constant instead of
11519 the original constant.
11521 * fold-const.c (fold_convertible_p): Don't return true
11522 for conversion of VECTOR_TYPE to same sized integral type.
11523 (fold_convert_loc): Fix up formatting. Fold conversion of
11524 VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
11525 instead of NOP_EXPR.
11527 PR tree-optimization/69214
11528 * tree-vrp.c (simplify_cond_using_ranges): Don't propagate
11529 innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
11532 PR tree-optimization/69207
11533 * tree-vect-slp.c (vect_get_constant_vectors): For
11534 VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of
11535 fold_convertible_p to vector_type's element type, and always
11536 use VCE for non-VECTOR_BOOLEAN_TYPE_P.
11538 2016-01-11 Richard Biener <rguenther@suse.de>
11540 PR tree-optimization/69173
11541 * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Only
11542 fixup the cycle if all stmts are in a pattern.
11544 2016-01-11 Uros Bizjak <ubizjak@gmail.com>
11546 PR middle-end/68999
11547 * alias.c (base_alias_check): Move check for addresses with
11548 alignment ANDs before the call for compare_base_decls.
11549 (memrefs_conflict_p): Return -1 for different decls
11550 that went through alignment adjustments.
11552 2016-01-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
11554 PR rtl-optimization/68796
11555 * config/aarch64/aarch64.md (*and<mode>_compare0): New pattern.
11556 * config/aarch64/aarch64.c (aarch64_select_cc_mode): Handle HImode
11557 and QImode comparisons against zero with CC_NZmode.
11558 * config/aarch64/iterators.md (short_mask): New mode_attr.
11560 2016-01-11 H.J. Lu <hongjiu.lu@intel.com>
11562 * config/i386/sse.md (<avx512>_load<mode>_mask): Remove snprintf.
11563 (<avx512>_store<mode>_mask): Likewise.
11565 2016-01-11 Bernd Schmidt <bschmidt@redhat.com>
11566 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
11568 PR rtl-optimization/68841
11569 * ifcvt.c (struct noce_if_info): Add orig_x field.
11570 (bbs_ok_for_cmove_arith): Add to_rename parameter.
11571 Don't record conflicts on to_rename if it's present.
11572 Allow memory destinations in sets.
11573 (noce_try_cmove_arith): Call bbs_ok_for_cmove_arith even on simple
11574 blocks, passing orig_x to the checks.
11575 (noce_process_if_block): Set if_info->orig_x appropriately.
11577 2016-01-11 Tom de Vries <tom@codesourcery.com>
11579 PR tree-optimization/69069
11580 * tree-parloops.c (create_parallel_loop): Add missing phi args.
11582 2016-01-11 Yuri Rumyantsev <ysrumyan@gmail.com>
11584 PR rtl-optimization/68920
11585 * config/i386/i386.c (ix86_option_override_internal): Restrict number
11586 of conditional moves for RTL if-conversion to 1 for
11587 TARGET_ONE_IF_CONV_INSN.
11588 * config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
11589 * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
11590 * params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
11591 parameter to restirct number of conditional moves for
11593 * doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
11594 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
11597 2016-01-11 Alexandre Oliva <aoliva@redhat.com>
11600 * var-tracking.c (drop_overlapping_mem_locs): Operate on all
11601 onepart vars. Fix typo in comment. Fix reversed condition in
11603 (dataflow_set_remove_mem_locs): Operate on all onepart vars.
11606 * var-tracking.c (dump_onepart_variable_differences): New.
11607 (dataflow_set_different): If a detailed dump is requested,
11608 delay early returns and dump differences between onepart
11609 variables present before and after, and added variables.
11611 2016-01-11 Ilya Enkovich <enkovich.gnu@gmail.com>
11614 * expr.c (expand_expr_real_1): For boolean vector constants
11615 with a scalar mode use const_scalar_mask_from_tree.
11616 (const_scalar_mask_from_tree): New.
11617 * optabs.c (expand_vec_cond_mask_expr): Use mask mode
11618 assigned to a mask type to handle constants.
11620 2016-01-11 Martin Jambor <mjambor@suse.cz>
11623 * ipa-cp.c (estimate_local_effects): Do not clone for removal of
11624 useless parameters if we cannot change function signature.
11626 2016-01-11 Martin Jambor <mjambor@suse.cz>
11629 * cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
11632 2016-01-11 Tom de Vries <tom@codesourcery.com>
11634 PR tree-optimization/69109
11635 * tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
11638 2016-01-11 Tom de Vries <tom@codesourcery.com>
11640 PR tree-optimization/69108
11641 * tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
11642 res is not used in a phi.
11644 2016-01-11 Yury Gribov <y.gribov@samsung.com>
11647 * common.opt (frandom-seed): Fix parameter name.
11648 * doc/invoke.texi (frandom-seed): Ditto and describe parameter.
11650 2016-01-11 Tom de Vries <tom@codesourcery.com>
11652 PR tree-optimization/69058
11653 * tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
11656 2016-01-11 Andrew Burgess <andrew.burgess@embecosm.com>
11658 * config/arc/arc.opt (mdiv-rem): Add period to the end.
11659 (mcode-density): Likewise.
11661 2016-01-10 Tom de Vries <tom@codesourcery.com>
11663 PR tree-optimization/69062
11664 * tree-parloops.c (loop_has_phi_with_address_arg): New function.
11665 (parallelize_loops): Don't paralelize loop that has phi with address
11668 2016-01-10 Tom de Vries <tom@codesourcery.com>
11670 PR tree-optimization/69039
11671 * tree-parloops.c (try_create_reduction_list): Only allow single exit
11674 2016-01-09 John David Anglin <danglin@gcc.gnu.org>
11676 PR middle-end/68743
11677 * match.pd: Require target has function_c99_misc before doing
11678 truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.
11680 2016-01-09 Gerald Pfeifer <gerald@pfeifer.com>
11682 * configure.ac (isl_options_set_schedule_serialize_sccs): Also
11684 * configure: Regenerate.
11686 2016-01-09 Jakub Jelinek <jakub@redhat.com>
11688 PR middle-end/50865
11689 PR tree-optimization/69097
11690 * fold-const.h (expr_not_equal_to): New prototype.
11691 * fold-const.c: Include stringpool.h and tree-ssanames.h.
11692 (expr_not_equal_to): New function.
11693 * match.pd (X % -Y is the same as X % Y): Don't optimize
11694 unless X is known not to be equal to minimum or Y is known
11695 not to be equal to -1.
11696 * tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
11697 fold TRUNC_MOD_EXPR if the second argument is not a power of two.
11698 (simplify_stmt_using_ranges): Adjust caller.
11699 (vrp_finalize): Call set_value_range on SSA_NAMEs before calling
11700 substitute_and_fold.
11702 2016-01-09 Jan Hubicka <hubicka@ucw.cz>
11704 * ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
11707 2016-01-08 Jakub Jelinek <jakub@redhat.com>
11709 PR tree-optimization/69167
11710 * gimple-fold.c (replace_stmt_with_simplification): Also punt if
11711 new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
11713 * gimple-match-head.c (maybe_push_res_to_seq): Likewise.
11715 2016-01-08 Alan Lawrence <alan.lawrence@arm.com>
11716 Richard Biener <rguenther@suse.de>
11718 PR tree-optimization/68707
11719 * tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
11720 instances that can be handled via vect_load_lanes.
11722 2016-01-08 Uros Bizjak <ubizjak@gmail.com>
11724 * symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
11725 if we can't determine address equivalence.
11726 * alias.c (compare_base_decl): Update for changed return value of
11727 symtab_node::equal_address_to.
11729 2016-01-08 Jason Merrill <jason@redhat.com>
11733 * function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
11734 * expr.c (store_field): Not here.
11735 * tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
11736 call with TREE_ADDRESSABLE type.
11737 * tree-cfg.c (verify_gimple_call): Adjust.
11739 2016-01-08 Olivier Hainque <hainque@adacore.com>
11741 * config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
11744 2016-01-08 Alan Lawrence <alan.lawrence@arm.com>
11746 * gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
11747 (reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
11748 (reduc_smin_v2sf): Rename to...
11749 (reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
11750 (reduc_splus_v2sf): Rename to...
11751 (reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.
11753 2016-01-08 Jakub Jelinek <jakub@redhat.com>
11755 PR tree-optimization/69162
11756 * gimplify.c (gimplify_va_arg_expr): Encode original type of
11757 valist argument in another argument.
11758 (gimplify_modify_expr): Adjust for the above change. Cleanup.
11759 * tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
11760 to determine the va_list type, build a MEM_REF instead of
11761 build_fold_indirect_ref.
11763 PR tree-optimization/69172
11764 * gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
11767 2016-01-08 Thomas Preud'homme <thomas.preudhomme@arm.com>
11769 PR tree-optimization/67781
11770 * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
11771 and cmpnop in two steps: first the ones not accessed in original
11772 gimple expression in a endian independent way and then the ones not
11773 accessed in the final result in an endian-specific way.
11775 2016-01-08 Jakub Jelinek <jakub@redhat.com>
11777 PR tree-optimization/69083
11778 * tree-vect-slp.c (vect_get_constant_vectors): For
11779 VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
11780 element type. If op is fold_convertible_p to vector_type's element
11781 type, use NOP_EXPR instead of VCE.
11783 2016-01-08 Segher Boessenkool <segher@kernel.crashing.org>
11785 PR rtl-optimization/67778
11786 PR rtl-optimization/68634
11787 PR rtl-optimization/68909
11788 * shrink-wrap.c (try_shrink_wrapping): Add comment. Don't pop
11789 block from the stack until done with it. Remove a superfluous
11790 bitmap set. Remove a superfluous bitmap test.
11792 2016-01-07 Martin Sebor <msebor@redhat.com>
11795 * doc/extend.texi (__atomic Builtins, __sync Builtins): Document
11796 constraint on the type of arguments.
11798 2016-01-07 Andreas Tobler <andreast@gcc.gnu.org>
11800 * config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
11801 SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
11802 unaligned_access on the gcc_options set.
11803 * config/arm/arm.c (arm_option_override_internal): Use
11804 SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.
11806 2016-01-07 Uros Bizjak <ubizjak@gmail.com>
11809 * config/i386/i386.c (ix86_frame_pointer_required): Enable
11810 frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.
11812 2016-01-07 Uros Bizjak <ubizjak@gmail.com>
11815 2016-01-06 Uros Bizjak <ubizjak@gmail.com>
11818 * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
11819 depending on frame_pointer_needed before remaining integer and SSE
11820 registers are saved.
11822 2016-01-07 Sandra Loosemore <sandra@codesourcery.com>
11825 * doc/extend.texi (Nvidia PDX Function Attributes): New section.
11827 2016-01-07 H.J. Lu <hongjiu.lu@intel.com>
11830 * config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
11831 Use the "xBm" constraint.
11832 (float<sseintvecmodelower><mode>2<mask_name><round_name):
11834 (sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
11835 (sse_cvtsi2ssq<round_name>): Likewise.
11836 (sse_cvtss2si<round_name>): Likewise.
11837 (sse_cvtss2siq<round_name>): Likewise.
11838 (sse2_cvtsi2sdq<round_name>): Likewise.
11839 (sse2_cvtsd2si<round_name>): Likewise.
11840 (sse2_cvtsd2siq<round_name>): Likewise.
11841 * config/i386/subst.md (round_nimm_scalar_predicate): New
11844 2015-12-15 Bernd Schmidt <bschmidt@redhat.com>
11846 PR middle-end/67639
11847 * varasm.c (make_decl_rtl): Mark invalid register vars as
11850 PR rtl-optimization/66206
11851 * bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
11852 All callers changed.
11854 2016-01-07 Jakub Jelinek <jakub@redhat.com>
11856 PR tree-optimization/69141
11857 * tree-ssa-pre.c: Include langhooks.h.
11858 (eliminate_dom_walker::before_dom_children): Use
11859 lang_hooks.decl_printable_name instead of
11860 cgraph_node::get ()->name ().
11862 PR middle-end/68960
11863 * gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
11864 it and DECL_ALIGN too.
11866 2016-01-06 Robert Suchanek <robert.suchanek@imgtec.com>
11868 * config/mips/mips-ftypes.def: Sort to lexicographical order.
11870 2016-01-06 Uros Bizjak <ubizjak@gmail.com>
11873 * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
11874 depending on frame_pointer_needed before remaining integer and SSE
11875 registers are saved.
11877 2015-01-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
11879 * config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
11880 mode iterator with VSX_M2.
11881 (*p9_vecstore_<mode>): Likewise.
11882 (*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
11883 (*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
11884 (*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
11885 (define_split for VSX_LE128 stores): Likewise.
11886 (define_peephole2 for TImode LE swaps): Likewise.
11887 (define_split for VSX_LE128 post-reload stores): Likewise.
11889 2016-01-06 Marek Polacek <polacek@redhat.com>
11892 * convert.c (convert_to_integer_1): Adjust call to
11893 ubsan_instrument_float_cast. Use NULL_TREE instead of NULL.
11894 * ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter. Use
11895 EXPR instead of ARG.
11896 * ubsan.h (ubsan_instrument_float_cast): Adjust declaration.
11898 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
11901 * doc/extend.texi (RL78 Variable Attributes): New section.
11903 2016-01-05 Marek Polacek <polacek@redhat.com>
11906 * builtins.c (get_memmodel): Use expansion point location rather than
11907 the input location. Call warning_at rather than warning.
11908 (expand_builtin_atomic_compare_exchange): Likewise.
11909 (expand_builtin_atomic_load): Likewise.
11910 (expand_builtin_atomic_store): Likewise.
11911 (expand_builtin_atomic_clear): Likewise.
11913 2016-01-05 H.J. Lu <hongjiu.lu@intel.com>
11916 * config/i386/i386.c (ix86_expand_vector_logical_operator):
11917 Replace nonimmediate_operand with vector_operand.
11918 * config/i386/predicates.md (vector_operand): New predicate.
11919 (general_vector_operand): Replace nonimmediate_operand with
11921 * config/i386/sse.md: Replace nonimmediate_operand with
11922 vector_operand and m constraint with Bm constraint on SSE
11923 patterns with 16-byte memory operand.
11924 * config/i386/subst.md (round_nimm_predicate): Replace
11925 nonimmediate_operand with vector_operand.
11926 (round_saeonly_nimm_predicate): Likewise.
11927 (round_saeonly_nimm_scalar_predicate): New.
11929 2016-01-05 H.J. Lu <hongjiu.lu@intel.com>
11932 * config/i386/constraints.md (Bm): New constraint.
11933 * config/i386/predicates.md (vector_memory_operand): New
11935 * config/i386/sse.md: Replace xm with xBm in plusminus and
11936 any_logic patterns.
11938 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
11941 * doc/extend.texi (V850 Function Attributes): New section.
11942 (V850 Variable Attributes): New section.
11944 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
11947 * doc/extend.texi (MicroBlaze Function Attributes): Document
11948 interrupt_handler and fast_interrupt attributes.
11950 2016-01-05 Sergei Trofimovich <siarheit@google.com>
11953 * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
11954 for local symbolic operands.
11955 * config/ia64/predicates.md (local_symbolic_operand64): New
11958 2016-01-05 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
11960 PR rtl-optimization/68651
11961 * combine.c (combine_simplify_rtx): Canonicalize x + x into
11964 2016-01-05 Nathan Sidwell <nathan@acm.org>
11966 * alias.c (compare_base_decls): Use symtab_node::get.
11968 2016-01-05 Nick Clifton <nickc@redhat.com>
11971 * ira-costs.c (copy_cost): Initialise the t_icode field of the
11972 secondary_reload_info structure.
11975 * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
11976 decls if weak support is available.
11978 2016-01-04 Martin Sebor <msebor@redhat.com>
11980 * doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.
11982 2016-01-04 Michael Meissner <meissner@linux.vnet.ibm.com>
11984 * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
11985 OPTION_MASK_P9_DFORM.
11987 * config/rs6000/constraints.md (wo constraint): New constraint for
11990 * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
11992 (rs6000_init_hard_regno_mode_ok): Likewise.
11994 * config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
11997 * config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
11998 expanders not to have constraints. Add support for ISA 3.0 xxperm
11999 instruction. Add support for fusing xxlor with xxperm.
12000 (altivec_vperm_<mode>_internal): Likewise.
12001 (altivec_vperm_v8hiv16qi): Likewise.
12002 (altivec_vperm_<mode>v16q): Likewise.
12003 (altivec_vperm_<mode>_uns): Likewise.
12004 (vperm_v8hiv4si): Likewise.
12005 (vperm_v16qiv8hi): Likewise.
12007 * doc/md.texi (RS/6000 constraints): Document wo constraint.
12009 2016-01-04 Jakub Jelinek <jakub@redhat.com>
12011 Update copyright years.
12013 * gcc.c (process_command): Update copyright notice dates.
12014 * gcov-dump.c (print_version): Ditto.
12015 * gcov.c (print_version): Ditto.
12016 * gcov-tool.c (print_version): Ditto.
12017 * gengtype.c (create_file): Ditto.
12018 * doc/cpp.texi: Bump @copying's copyright year.
12019 * doc/cppinternals.texi: Ditto.
12020 * doc/gcc.texi: Ditto.
12021 * doc/gccint.texi: Ditto.
12022 * doc/gcov.texi: Ditto.
12023 * doc/install.texi: Ditto.
12024 * doc/invoke.texi: Ditto.
12026 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
12028 * config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
12029 modes larger than TImode as TImode if NEON is not enabled.
12031 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
12034 * config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
12035 mode for %f0-%f31 only if TARGET_FPU.
12037 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
12040 * config/sparc/sparc.c (scan_record_type): Take into account subfields
12041 to compute the PACKED_P predicate.
12042 (function_arg_record_value): Minor tweaks.
12044 2016-01-04 Thomas Preud'homme <thomas.preudhomme@arm.com>
12046 * doc/install.texi (--with-multilib-list): Describe the meaning of the
12047 option for arm*-*-* targets.
12049 2016-01-03 Sandra Loosemore <sandra@codesourcery.com>
12051 * doc/extend.texi (Common Function Attributes): Move docs for
12052 MSP430-specific attributes to....
12053 (MSP430 Function Attributes): ...here. Delete the redundant
12054 entries and copy-edit the remaining text.
12055 (MSP430 Variable Attributes): Use uniform format for index
12056 entries and add a cross-reference to the corresponding function
12059 2016-01-03 Vladimír Čunát <vcunat@gmail.com>
12061 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix
12063 (x86 Options): Likewise.
12065 2016-01-01 Sandra Loosemore <sandra@codesourcery.com>
12069 * extend.texi (Common Function Attributes) <no_stack_limit>: New.
12070 * invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
12071 to corresponding attribute.
12073 2016-01-01 Sandra Loosemore <sandra@codesourcery.com>
12075 * doc/extend.texi (Common Function Attributes) <noplt>: Move
12076 to correct alphabetization of table. Copy-edit and correct
12078 <stack_protect>: Likewise.
12079 <target_clones>: Likewise.
12081 * doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
12082 Correct punctuation.
12083 (Code Gen Options) <-fno-plt>: Copy-edit.
12085 2016-01-01 Bernd Edlinger <bernd.edlinger@hotmail.de>
12088 * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
12089 SI values. Explicitly convert SI to DI and vice-versa.
12091 2016-01-01 Jakub Jelinek <jakub@redhat.com>
12093 PR tree-optimization/69070
12094 * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
12095 REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.
12098 * ubsan.c (ubsan_instrument_float_cast): Call
12099 initialize_sanitizer_builtins.
12102 * ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
12104 Copyright (C) 2016 Free Software Foundation, Inc.
12106 Copying and distribution of this file, with or without modification,
12107 are permitted in any medium without royalty provided the copyright
12108 notice and this notice are preserved.