1 2016-07-06 Wilco Dijkstra <wdijkstr@arm.com>
3 * config/arm/cortex-a53.md: Use final_presence_set for in-order.
4 (cortex_a53_shift): Add mov_shift.
5 (cortex_a53_shift_reg): Add new reservation for register shifts.
6 (cortex_a53_alu): Remove bfm.
7 (cortex_a53_alu_shift): Add bfm, remove mov_shift.
8 (cortex_a53_alu_extr): Add new reservation for EXTR.
9 (bypasses): Improve bypass modelling.
11 2016-07-06 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
14 * config/avr/avr.c (avr_asm_select_section): Strip off
15 SECTION_DECLARED from flags when calling get_section.
17 2016-07-06 Richard Sandiford <richard.sandiford@arm.com>
19 * tree-vectorizer.h (vect_memory_access_type): Add
20 VMAT_INVARIANT, VMAT_CONTIGUOUS_DOWN and VMAT_CONTIGUOUS_REVERSED.
21 * tree-vect-stmts.c (compare_step_with_zero): New function.
22 (perm_mask_for_reverse): Move further up file.
23 (get_group_load_store_type): Stick to VMAT_ELEMENTWISE if the
25 (get_negative_load_store_type): New function.
26 (get_load_store_type): Call it. Add an ncopies argument.
27 (vectorizable_mask_load_store): Update call accordingly and
28 remove tests for negative steps.
29 (vectorizable_store, vectorizable_load): Likewise. Handle new
32 2016-07-06 Richard Sandiford <richard.sandiford@arm.com>
34 * tree-vectorizer.h (vect_memory_access_type): New enum.
35 (_stmt_vec_info): Add a memory_access_type field.
36 (STMT_VINFO_MEMORY_ACCESS_TYPE): New macro.
37 (vect_model_store_cost): Take an access type instead of a boolean.
38 (vect_model_load_cost): Likewise.
39 * tree-vect-slp.c (vect_analyze_slp_cost_1): Update calls to
40 vect_model_store_cost and vect_model_load_cost.
41 * tree-vect-stmts.c (vec_load_store_type): New enum.
42 (vect_model_store_cost): Take an access type instead of a
43 store_lanes_p boolean. Simplify tests.
44 (vect_model_load_cost): Likewise, but for load_lanes_p.
45 (get_group_load_store_type, get_load_store_type): New functions.
46 (vectorizable_store): Use get_load_store_type. Record the access
47 type in STMT_VINFO_MEMORY_ACCESS_TYPE.
48 (vectorizable_load): Likewise.
49 (vectorizable_mask_load_store): Likewise. Replace is_store
50 variable with vls_type.
52 2016-07-06 Richard Sandiford <richard.sandiford@arm.com>
54 * tree-vectorizer.h (vect_grouped_load_supported): Add a
55 single_element_p parameter.
56 * tree-vect-data-refs.c (vect_grouped_load_supported): Likewise.
57 Check the PR65518 case here rather than in vectorizable_load.
58 * tree-vect-loop.c (vect_analyze_loop_2): Update call accordignly.
59 * tree-vect-stmts.c (vectorizable_load): Likewise.
61 2016-07-06 Richard Sandiford <richard.sandiford@arm.com>
63 * tree-vectorizer.h (gather_scatter_info): New structure.
64 (vect_check_gather_scatter): Return a bool rather than a decl.
65 Replace return-by-pointer arguments with a single
66 gather_scatter_info *.
67 * tree-vect-data-refs.c (vect_check_gather_scatter): Likewise.
68 (vect_analyze_data_refs): Update call accordingly.
69 * tree-vect-stmts.c (vect_mark_stmts_to_be_vectorized): Likewise.
70 (vectorizable_mask_load_store): Likewise. Also record the
71 offset dt and vectype in the gather_scatter_info.
72 (vectorizable_store): Likewise.
73 (vectorizable_load): Likewise.
75 2016-07-06 Richard Sandiford <richard.sandiford@arm.com>
77 * tree-vect-stmts.c (vect_model_store_cost): For non-SLP
78 strided groups, use the cost of N scalar accesses instead
79 of ncopies vector accesses.
80 (vect_model_load_cost): Likewise.
82 2016-07-06 Richard Sandiford <richard.sandiford@arm.com>
84 * tree-vect-stmts.c (vect_cost_group_size): Delete.
85 (vect_model_store_cost): Avoid calling it. Use first_stmt_p
86 variable to indicate when once-per-group costs are being used.
87 (vect_model_load_cost): Likewise. Fix comment and misindented code.
89 2016-07-06 Richard Sandiford <richard.sandiford@arm.com>
91 * tree-vect-stmts.c (vectorizable_load): Remove unnecessary
92 peeling-for-gaps condition.
94 2016-07-06 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
96 * config/s390/s390.c (s390_expand_vec_init): Force initializer
97 element to register if it doesn't match general_operand.
99 2016-07-05 Michael Meissner <meissner@linux.vnet.ibm.com>
100 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
102 * config/rs6000/rs6000-protos.h (rs6000_split_signbit): New
104 * config/rs6000/rs6000.c (rs6000_split_signbit): New function.
105 * config/rs6000/rs6000.md (UNSPEC_SIGNBIT): New constant.
106 (SIGNBIT): New mode iterator.
107 (Fsignbit): New mode attribute.
108 (signbit<mode>2): Change operand1 to match FLOAT128 instead of
109 IBM128; dispatch to gen_signbit{kf,tf}2_dm for __float128
110 when direct moves are available.
111 (signbit<mode>2_dm): New define_insn_and_split).
112 (signbit<mode>2_dm2): New define_insn.
114 2016-07-05 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
116 PR rtl-optimization/71594
117 * ifcvt.c (noce_convert_multiple_sets): Wrap new_val or old_val
118 into subregs of appropriate mode before trying to emit a conditional
121 2016-07-05 Jan Hubicka <jh@suse.cz>
123 * tree-scalar-evolution.c (iv_can_overflow_p): New function.
126 2016-07-05 Jan Hubicka <jh@suse.cz>
128 * tree-ssa-loop-niter.c (nowrap_type_p): Use ANY_INTEGRAL_TYPE_P.
130 2016-07-05 Jiong Wang <jiong.wang@arm.com>
132 * lra-constraints.c (process_alt_operands): Don't add spilling cost for
135 2016-07-05 Jan Hubicka <jh@suse.cz>
137 * tree-scalar-evoluiton.c (simple_iv): Use nowrap_type to check if
140 2016-07-05 Richard Biener <rguenther@suse.de>
142 * gimple-ssa-split-paths.c (find_block_to_duplicate_for_splitting_pa):
143 Handle empty else block.
144 (is_feasible_trace): Likewise.
145 (split_paths): Likewise.
147 2016-07-05 Richard Biener <rguenther@suse.de>
149 * tree-loop-distribution.c (distribute_loop): Fix issue with
152 2016-07-05 Christophe Lyon <christophe.lyon@linaro.org>
154 * config/arm/neon-testgen.ml: Delete.
155 * config/arm/neon.ml: Delete.
157 2016-07-04 Jakub Jelinek <jakub@redhat.com>
160 * tree.c (attribute_value_equal): Use get_attribute_name instead of
161 directly using TREE_PURPOSE.
163 2016-07-04 Jiong Wang <jiong.wang@arm.com>
165 * config/aarch64/aarch64.h: Rename "ARMv8.1" to "ARMv8.1-A".
166 * config/aarch64/aarch64_neon.h: Likewise.
167 * config/aarch64/arm_neon.h: Likewise.
168 * config/aarch64/atomics.md: Likewise.
169 * config/aarch64/aarch64-simd-builtins.def: Likewise.
170 * doc/invoke.texi: Likewise.
172 2016-07-04 Dominik Vogt <vogt@linux.vnet.ibm.com>
174 * config/s390/s390.md: Add "z13" cpu_facility.
175 ("*mov<mode>cc"): Add support for z13 instructions lochi and locghi.
176 * config/s390/predicates.md ("loc_operand"): New predicate for "load on
177 condition" type instructions.
179 2016-07-04 Dominik Vogt <vogt@linux.vnet.ibm.com>
180 Jeff Law <law@redhat.com>
182 * explow.c (allocate_dynamic_stack_space): Simplify knowing that
183 MUST_ALIGN was always true and extra_align ist always BITS_PER_UNIT.
185 2016-07-04 Yuri Rumyantsev <ysrumyan@gmail.com>
187 * config/i386/i386.c (ix86_expand_vec_perm): Add handle one-operand
188 permutation for TARGET_AVX512F.
189 (ix86_expand_vec_one_operand_perm_avx512): New function.
190 (expand_vec_perm_1): Invoke introduced function.
191 * tree-vect-loop.c (vect_transform_loop): Clear-up safelen value since
192 it may be not valid after vectorization.
194 2016-07-04 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
197 * config/aarch64/aarch64.c (aarch64_classify_symbol): Fix
198 typo in comment. Only force to memory if it is a weak
201 2016-07-04 Matthew Wahab <matthew.wahab@arm.com>
202 Jiong Wang <jiong.wang@arm.com>
204 * config/aarch64/aarch64-arches.def: Add "armv8.2-a".
205 * config/aarch64/aarch64.h (AARCH64_FL_V8_2): New.
206 (AARCH64_FL_F16): New.
207 (AARCH64_FL_FOR_ARCH8_2): New.
208 (AARCH64_ISA_8_2): New.
209 (AARCH64_ISA_F16): New.
210 (TARGET_FP_F16INST): New.
211 (TARGET_SIMD_F16INST): New.
212 * config/aarch64/aarch64-option-extensions.def ("fp16"): New entry.
213 ("fp"): Disabling "fp" also disables "fp16".
214 * config/aarch64/aarch64-c.c (arch64_update_cpp_builtins): Conditionally define
215 __ARM_FEATURE_FP16_SCALAR_ARITHMETIC and __ARM_FEATURE_FP16_VECTOR_ARITHMETIC.
216 * doc/invoke.texi (AArch64 Options): Document "armv8.2-a" and "fp16".
218 2016-07-04 Jan Beulich <jbeulich@suse.com>
220 * gcc.c (default_compilers["@c-header"]): Conditionalize "-o".
222 2016-07-01 Michael Meissner <meissner@linux.vnet.ibm.com>
225 * config/rs6000/vsx.md (vsx_splat_v4sf_internal): When splitting
226 the insns, use an insn form that does not adjust the offset on
227 little endian systems.
229 2016-07-01 Jan Beulich <jbeulich@suse.com>
231 * varasm.c (get_variable_section): Validate initializer in
232 named .bss-like sections.
234 2016-07-01 Kelvin Nilsen <kelvin@gcc.gnu.org>
236 * config/rs6000/altivec.md (*altivec_vpermr_<mode>_internal):
237 Exchange the order of the second and third operands in the vpermr
238 instruction tmeplate.
240 2016-07-01 Peter Bergner <bergner@vnet.ibm.com>
243 * config/rs6000/rs6000.c (rs6000_secondary_reload_simple_move): Disallow
246 2016-07-01 Alan Modra <amodra@gmail.com>
248 PR rtl-optimization/71709
249 * ira-lives.c (find_call_crossed_cheap_reg): Exit loop on arg reg
250 being set, not referenced.
252 2016-07-01 Yuri Rumyantsev <ysrumyan@gmail.com>
254 PR tree-optimization/70729
255 * tree-vectorizer.c (adjust_simduid_builtins): Nullify safelen field
256 of loop since it can be not valid after transformation.
258 2016-07-01 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
260 * config/arm/arm.c (thumb_reload_in_hi): Delete.
261 * config/arm/arm-protos.h (thumb_reload_in_hi): Delete prototype.
263 2016-07-01 Eric Botcazou <ebotcazou@adacore.com>
265 * config/arm/arm.c (arm_function_ok_for_sibcall): Add another check
268 2016-06-30 Michael Meissner <meissner@linux.vnet.ibm.com>
271 * config/rs6000/constraints.md (wY constraint): New constraint to
272 match the requirements for the LXSD and STXSD instructions.
273 * config/rs6000/predicates.md (offsettable_mem_14bit_operand): New
274 predicate to match the requirements for the LXSD and STXSD
276 * config/rs6000/rs6000.md (mov<mode>_hardfloat32, FMOVE64 case):
277 Use constaint wY for LXSD/STXSD instructions instead of 'o' or 'Y'
278 to make sure that the bottom 2 bits of offset are 0, the address
279 form is offsettable, and no updating is done in the address mode.
280 (mov<mode>_hardfloat64, FMOVE64 case): Likewise.
281 (movdi_internal32): Likewise
282 (movdi_internal64): Likewise.
284 2016-06-30 Jakub Jelinek <jakub@redhat.com>
286 PR tree-optimization/71707
287 * tree-ssa-strlen.c (get_stridx_plus_constant): Handle already present
288 strinfo even for ADDR_EXPR ptr.
290 2016-06-30 Kelvin Nilsen <kelvin@gcc.gnu.org>
292 * config/rs6000/altivec.md (darn_32): Change the condition to
293 TARGET_P9_MISC instead of TARGET_MODULO.
294 (darn_raw): Replace TARGET_MODULO with TARGET_P9_MISC in the
295 condition expression.
296 (darn): Replace TARGET_MODULO with TARGET_P9_MISC in the
297 condition expression.
298 * config/rs6000/dfp.md (UNSPEC_DTSTSFI): New unspec constant.
299 (DFP_TEST): New code iterator.
300 (dfptstsfi_<code>_mode>): New define_expand.
301 (*dfp_sgnfcnc_<mode>): New define_insn.
302 * config/rs6000/rs6000-builtin.def (BU_P9_MISC_0): Move this macro
303 definition next to BU_P9_MISC_1 definition and change the MASK
304 value to RS6000_BTM_P9_MISC.
305 (BU_P9_MISC_1): Change the MASK value to RS6000_BTM_P9_MISC.
306 (BU_P9_64BIT_MISC_0): Likewise.
307 (BU_P9_DFP_MISC_0): New macro definition.
308 (BU_P9_DFP_MISC_1): New macro definition.
309 (BU_P9_DFP_MISC_2): New macro definition.
310 (BU_P9_DFP_OVERLOAD_1): New macro definition.
311 (BU_P9_DFP_OVERLOAD_2): New macro definition.
312 (BU_P9_DFP_OVERLOAD_3): New macro definition.
313 (TSTSFI_LT_DD): New BU_P9_DFP_MISC_2.
314 (TSTSFI_LT_TD): Likewise.
315 (TSTSFI_EQ_DD): Likewise.
316 (TSTSFI_EQ_TD): Likewise.
317 (TSTSFI_GT_DD): Likewise.
318 (TSTSFI_GT_TD): Likewise.
319 (TSTSFI_OV_DD): Likewise.
320 (TSTSFI_OV_TD): Likewise.
321 (TSTSFI_LT): New BU_P9_DFP_OVERLOAD_2.
322 (TSTSFI_LT_DD): Likewise.
323 (TSTSFI_LT_TD): Likewise.
324 (TSTSFI_EQ): Likewise.
325 (TSTSFI_EQ_DD): Likewise.
326 (TSTSFI_EQ_TD): Likewise.
327 (TSTSFI_GT): Likewise.
328 (TSTSFI_GT_DD): Likewise.
329 (TSTSFI_GT_TD): Likewise.
330 (TSTSFI_OV): Likewise.
331 (TSTSFI_OV_DD): Likewise.
332 (TSTSFI_OV_TD): Likewise.
333 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
334 overloaded test significance functions.
335 * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
336 OPTION_MASK_P9_MISC into the representation of this mask.
337 (POWERPC_MASKS): Add OPTION_MASK_P9_MISC into the representation
339 * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Set the
340 RS6000_BTM_P9_MISC flag in the return value if TARGET_P9_MISC is
342 (rs6000_expand_binop_builtin): Enforce that argument 0 of the exp
343 argument is a 6-bit unsigned literal value if the icode argument
344 represents a DFP test significance built-in call.
345 (rs6000_invalid_builtin): Add support for the RS6000_BTM_P9_MISC
346 flag used independently and in combination with the
347 RS6000_BTM_64BIT flag.
348 (rs6000_opt_masks): Add entry for power9-misc command-line option.
349 (rs6000_builtin_mask_names): Add entry for power9-misc
351 * config/rs6000/rs6000.h: Redefine TARGET_P9_MISC as 0 if
352 HAVE_AS_POWER9 is not a defined macro. Define MASK_P9_MISC and
353 RS6000_BTM_P9_MISC macros.
354 * config/rs6000/rs6000.opt: Add support for the -mpower9-misc
355 option and change the description of the -mpower9-vector option to
356 enable only vector instructions, removing its erroneously claimed
357 support for scalar instructions.
358 * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
359 the ISA 3.0 digital floating point test significance built-in
362 2016-06-30 Wilco Dijkstra <wdijkstr@arm.com>
364 * config/aarch64/aarch64.c (cortexa35_tunings):
365 Enable AES fusion. Use cortexa57_branch_cost.
366 (cortexa53_tunings): Use cortexa57_branch_cost.
367 (cortexa72_tunings): Use cortexa57_branch_cost.
368 Use AUTOPREFETCHER_WEAK.
369 (cortexa73_tunings): Use cortexa57_branch_cost.
371 2016-06-30 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
372 James Greenhalgh <james.greenhalgh@arm.com>
374 * config/aarch64/arm_neon.h (vcopyq_lane_f32, vcopyq_lane_f64,
375 vcopyq_lane_p8, vcopyq_lane_p16, vcopyq_lane_s8, vcopyq_lane_s16,
376 vcopyq_lane_s32, vcopyq_lane_s64, vcopyq_lane_u8, vcopyq_lane_u16,
377 vcopyq_lane_u32, vcopyq_lane_u64): Reimplement in C.
378 (vcopy_lane_f32, vcopy_lane_f64, vcopy_lane_p8, vcopy_lane_p16,
379 vcopy_lane_s8, vcopy_lane_s16, vcopy_lane_s32, vcopy_lane_s64,
380 vcopy_lane_u8, vcopy_lane_u16, vcopy_lane_u32, vcopy_lane_u64,
381 vcopy_laneq_f32, vcopy_laneq_f64, vcopy_laneq_p8, vcopy_laneq_p16,
382 vcopy_laneq_s8, vcopy_laneq_s16, vcopy_laneq_s32, vcopy_laneq_s64,
383 vcopy_laneq_u8, vcopy_laneq_u16, vcopy_laneq_u32, vcopy_laneq_u64,
384 vcopyq_laneq_f32, vcopyq_laneq_f64, vcopyq_laneq_p8, vcopyq_laneq_p16,
385 vcopyq_laneq_s8, vcopyq_laneq_s16, vcopyq_laneq_s32, vcopyq_laneq_s64,
386 vcopyq_laneq_u8, vcopyq_laneq_u16, vcopyq_laneq_u32, vcopyq_laneq_u64):
389 2016-06-30 James Greenhalgh <james.greenhalgh@arm.com>
390 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
392 * config/aarch64/aarch64-simd.md (*aarch64_simd_vec_copy_lane<mode>):
394 (*aarch64_simd_vec_copy_lane_<vswap_width_name><mode>): Likewise.
396 2016-06-30 David Malcolm <dmalcolm@redhat.com>
399 * gcc.c (driver::build_option_suggestions): Pass "option" to
400 add_misspelling_candidates.
401 * opts-common.c (add_misspelling_candidates): Add "option" param;
402 use it to avoid adding negated forms for options marked with
404 * opts.h (add_misspelling_candidates): Add "option" param.
406 2016-06-30 Jakub Jelinek <jakub@redhat.com>
409 * fold-const.c (fold_binary_loc) <case RROTATE_EXPR>: Cast
410 TREE_OPERAND (arg0, 0) and TREE_OPERAND (arg0, 1) to type
411 first when permuting bitwise operation with rotate. Cast
412 TREE_OPERAND (arg0, 0) to type when cancelling two rotations.
414 2016-06-29 David Malcolm <dmalcolm@redhat.com>
416 * opts.c (handle_param): Use find_param_fuzzy to offer suggestions
417 for misspelled param names.
418 * params.c: Include spellcheck.h.
419 (find_param_fuzzy): New function.
420 * params.h (find_param_fuzzy): New prototype.
421 * spellcheck.c (struct edit_distance_traits<const char *>): Move
423 * spellcheck.h (struct edit_distance_traits<const char *>):
426 2016-06-29 Michael Meissner <meissner@linux.vnet.ibm.com>
428 * config/rs6000/predicates.md (const_0_to_7_operand): New
429 predicate, recognize 0..7.
430 * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Add
431 support for doing extracts from V16QImode, V8HImode, V4SImode
433 * config/rs6000/vsx.md (VSX_EXTRACT_I): Mode iterator for ISA 3.0
434 vector extract support.
435 (VSX_EXTRACT_PREDICATE): Mode attribute to validate element number
436 for ISA 3.0 vector extract.
437 (VSX_EX): Constraints to use for ISA 3.0 vector extract.
438 (vsx_extract_<mode>, VSX_EXTRACT_I): Add support for doing
439 extracts of a constant element number from small integer vectors
440 on 64-bit ISA 3.0 systems.
441 (vsx_extract_<mode>_di): Likewise.
442 * config/rs6000/rs6000.h (TARGET_VEXTRACTUB): New target macro to
443 say when we can do ISA 3.0 vector extracts.
444 * config/rs6000/rs6000.md (stfiwx): Allow DImode in Altivec
445 registers, using the stxsiwx instruction.
447 2016-06-29 Jim Wilson <jim.wilson@linaro.org>
449 * config/aarch64/aarch64-cores.def (qdf24xx): Use qdf24xx tuning.
450 * config/aarch64/aarch64.c (qdf24xx_addrcost_table,
451 qdf24xx_regmove_cost, qdf24xx_tunings): New.
452 * config/arm/aarch64-cost-tables.h (qdf24xx_extra_costs): New.
453 * config/arm/arm-cores.def (qdf24xx): Use qdf24xx tuning.
454 * config/arm/arm.c (arm_qdf24xx_tune): New.
456 2016-06-29 Wilco Dijkstra <wdijkstr@arm.com>
458 * config/aarch64/aarch64.c (cortexa53_tunings):
459 Increase loop alignment to 8. Set function alignment to 16.
460 (cortexa35_tunings): Likewise.
461 (cortexa57_tunings): Increase loop alignment to 8.
462 (cortexa72_tunings): Likewise.
463 (cortexa73_tunings): Likewise.
465 2016-06-29 Matthew Wahab <matthew.wahab@arm.com>
467 * doc/sourcebuild.texi (Effective-Target keywords): Add entries
468 for arm_fp16_ok and arm_fp16_hw.
469 (Add Options): Add entries for arm_fp16, arm_fp16_ieee and
470 arm_fp16_alternative.
472 2016-06-29 Ilya Enkovich <ilya.enkovich@intel.com>
474 PR tree-optimization/71655
475 * tree-vect-stmts.c (vectorizable_comparison): Swap definition
476 types when swapping operands.
478 2016-06-29 Martin Liska <mliska@suse.cz>
481 * common.opt (flag_stack_protect): Mark the flag as optimization
483 * ipa-inline-transform.c (inline_call): Remove unnecessary call
484 of build_optimization_node.
486 2016-06-29 Yuri Rumyantsev <ysrumyan@gmail.com>
488 PR tree-optimization/70729
489 * tree-ssa-loop-im.c (ref_indep_loop_p_1): Consider memory reference as
490 independent in loops having positive safelen value.
491 * tree-vect-loop.c (vect_transform_loop): Clear-up safelen value since
492 it may be not valid after vectorization.
494 2016-06-29 Jakub Jelinek <jakub@redhat.com>
496 PR tree-optimization/71625
497 * tree-ssa-strlen.c (get_addr_stridx): Add PTR argument. Assume list
498 is sorted by ascending list->offset. If PTR is non-NULL and there is
499 previous strinfo, call get_stridx_plus_constant.
500 (get_stridx): Pass exp as second argument to get_addr_stridx.
501 (addr_stridxptr): Add missing list = list->next, so that there can be
502 more than one entries in the list. Bump limit from 16 to 32. Ensure
503 the list is sorted by ascending list->offset.
504 (get_stridx_plus_constant): Adjust so that it can be also called with
505 ADDR_EXPR instead of SSA_NAME as PTR.
506 (handle_char_store): Pass NULL_TREE as second argument to
509 2016-06-29 Richard Biener <rguenther@suse.de>
511 PR rtl-optimization/68961
512 * simplify-rtx.c (simplify_subreg): Handle VEC_CONCAT like CONCAT.
514 2016-06-29 Richard Biener <rguenther@suse.de>
517 * alias.c (component_uses_parent_alias_set_from): Handle
518 type punning through union accesses by using the union alias set.
519 * gimple.c (gimple_get_alias_set): Remove union type punning case.
521 2016-07-29 Richard Biener <rguenther@suse.de>
523 * match.pd ((T)(T2)x -> (T)x): Remove restriction on final
524 precision not matching mode precision.
526 2016-06-28 John David Anglin <danglin@gcc.gnu.org>
528 * config/pa/pa.md (call_symref_64bit_post_reload): Don't call
529 pa_output_arg_descriptor.
530 (call_val_symref_64bit_post_reload): Likewise.
531 (call_val_powf_64bit_post_reload): Likewise.
532 (sibcall_internal_symref_64bit): Likewise.
533 (sibcall_value_internal_symref_64bit): Likewise.
535 2016-06-28 Jakub Jelinek <jakub@redhat.com>
538 * config/i386/i386.c (ix86_expand_vector_move): For SUBREG of
539 a constant, force its SUBREG_REG into memory or register instead
542 2016-06-28 Pitchumani Sivanupandi <pitchumani.s@atmel.com>
545 * config/avr/avr.opt (-mfract-convert-truncate): Update description.
546 * doc/invoke.texi (AVR Options): Document it.
548 2016-06-28 Walter Lee <walt@tilera.com>
550 * config/tilegx/linux.h: Do not include arch/icache.h
551 (CLEAR_INSN_CACHE): Provide inlined definition directly.
552 * config/tilepro/linux.h: Do not include arch/icache.h
553 (CLEAR_INSN_CACHE): Provide inlined definition directly.
555 2016-06-28 Wilco Dijkstra <wdijkstr@arm.com>
557 * tree-ssa-math-opts.c (find_bswap_or_nop_1): Adjust bitnumbering
558 for big-endian BIT_FIELD_REF.
560 2016-06-28 Pat Haugen <pthaugen@us.ibm.com>
562 * config/rs6000/rs6000.md ('type' attribute): Add htmsimple/dfp types.
563 ('size' attribute): Add '128'.
565 (*mov<mode>_hardfloat32, *mov<mode>_hardfloat64, *movdi_internal32,
566 *movdi_internal64, *movdf_update1): Set size attribute to '64'.
567 (add<mode>3, sub<mode>3, mul<mode>3, div<mode>3, sqrt<mode>2,
568 copysign<mode>3, neg<mode>2_hw, abs<mode>2_hw, *nabs<mode>2_hw,
569 *fma<mode>4_hw, *fms<mode>4_hw, *nfma<mode>4_hw, *nfms<mode>4_hw,
570 extend<SFDF:mode><IEEE128:mode>2_hw, trunc<mode>df2_hw,
571 *xscvqp<su>wz_<mode>, *xscvqp<su>dz_<mode>, *xscv<su>dqp_<mode>,
572 *trunc<mode>df2_odd): Set size attribute to '128'.
573 (*cmp<mode>_hw): Change type to veccmp and set size attribute to '128'.
574 * config/rs6000/power6.md (power6-fp): Include dfp type.
575 * config/rs6000/power7.md (power7-fp): Likewise.
576 * config/rs6000/power8.md (power8-fp): Likewise.
577 * config/rs6000/power9.md: New file.
578 * config/rs6000/t-rs6000 (MD_INCLUDES): Add power9.md.
579 * config/rs6000/htm.md (*tabort, *tabort<wd>c, *tabort<wd>ci,
580 *trechkpt, *treclaim, *tsr, *ttest): Change type attribute to
582 * config/rs6000/dfp.md (extendsddd2, truncddsd2, extendddtd2,
583 trunctddd2, adddd3, addtd3, subdd3, subtd3, muldd3, multd3, divdd3,
584 divtd3, *cmpdd_internal1, *cmptd_internal1, floatdidd2, floatditd2,
585 ftruncdd2, fixdddi2, ftrunctd2, fixtddi2, dfp_ddedpd_<mode>,
586 dfp_denbcd_<mode>, dfp_dxex_<mode>, dfp_diex_<mode>, dfp_dscli_<mode>,
587 dfp_dscri_<mode>): Change type attribute to dfp.
588 * config/rs6000/crypto.md (crypto_vshasigma<CR_char>): Change type
589 attribute to vecsimple.
590 * config/rs6000/rs6000.c (power9_cost): Update costs, cache size
591 and prefetch streams.
592 (rs6000_option_override_internal): Remove temporary code setting
593 tuning to power8. Don't set rs6000_sched_groups for power9.
594 (last_scheduled_insn): Change to rtx_insn *.
595 (divide_cnt, vec_load_pendulum): New variables.
596 (rs6000_adjust_cost): Add Power9 to test for store->load separation.
597 (rs6000_issue_rate): Set issue rate for Power9.
598 (is_power9_pairable_vec_type): New.
599 (power9_sched_reorder2): New.
600 (rs6000_sched_reorder2): Call new function for Power9 specific
602 (insn_must_be_first_in_group): Remove Power9.
603 (insn_must_be_last_in_group): Likewise.
604 (force_new_group): Likewise.
605 (rs6000_sched_init): Fix initialization of last_scheduled_insn.
606 Initialize divide_cnt/vec_load_pendulum.
607 (_rs6000_sched_context, rs6000_init_sched_context,
608 rs6000_set_sched_context): Handle context save/restore of new
611 2016-06-28 Richard Biener <rguenther@suse.de>
613 * tree-ssa-alias.c (nonoverlapping_component_refs_of_decl_p):
614 Properly handle DECL_BIT_FIELD_REPRESENTATIVE occuring as
615 COMPONENT_REF operand.
616 (nonoverlapping_component_refs_p): Likewise.
617 * stor-layout.c (start_bitfield_representative): Mark
618 DECL_BIT_FIELD_REPRESENTATIVE as DECL_NONADDRESSABLE_P.
620 2016-06-28 Jakub Jelinek <jakub@redhat.com>
622 * Makefile.in: Don't cat ../stage_current if it does not exist.
624 * doc/extend.texi (__builtin_add_overflow_p): Clarify behavior when
625 last argument is a bit-field.
627 PR rtl-optimization/71673
628 * internal-fn.c (expand_arith_overflow_result_store): Use
629 OPTAB_LIB_WIDEN instead of OPTAB_DIRECT as last argument to
633 * builtins.c (expand_ifn_atomic_compare_exchange_into_call,
634 expand_ifn_atomic_compare_exchange): New functions.
635 * internal-fn.c (expand_ATOMIC_COMPARE_EXCHANGE): New function.
636 * tree.h (build_call_expr_internal_loc): Rename to ...
637 (build_call_expr_internal_loc_array): ... this. Fix up type of
639 * internal-fn.def (ATOMIC_COMPARE_EXCHANGE): New internal fn.
640 * predict.c (expr_expected_value_1): Handle IMAGPART_EXPR of
641 ATOMIC_COMPARE_EXCHANGE result.
642 * builtins.h (expand_ifn_atomic_compare_exchange): New prototype.
643 * gimple-fold.h (optimize_atomic_compare_exchange_p,
644 fold_builtin_atomic_compare_exchange): New prototypes.
645 * gimple-fold.c (optimize_atomic_compare_exchange_p,
646 fold_builtin_atomic_compare_exchange): New functions..
647 * tree-ssa.c (execute_update_addresses_taken): If
648 optimize_atomic_compare_exchange_p, ignore &var in 2nd argument
649 of call when finding addressable vars, and if such var becomes
650 non-addressable, call fold_builtin_atomic_compare_exchange.
652 2016-06-27 Segher Boessenkool <segher@kernel.crashing.org>
655 * config/rs6000/rs6000.md (ashdi3_extswsli_dot): Use
656 gen_ashdi3_extswsli_dot2 instead of gen_ashdi3_extswsli_dot.
658 2016-06-27 Pat Haugen <pthaugen@us.ibm.com>
660 * config/rs6000/rs6000.md ('type' attribute): Add
661 veclogical,veccmpfx,vecexts,vecmove insn types.
662 (*abs<mode>2_fpr, *nabs<mode>2_fpr, *neg<mode>2_fpr, *extendsfdf2_fpr,
663 copysign<mode>3_fcpsgn, trunc<mode>df2_internal1, neg<mode>2_internal,
664 p8_fmrgow_<mode>, pack<mode>): Change type to fpsimple.
665 (*xxsel<mode>, copysign<mode>3_hard, neg<mode>2_hw, abs<mode>2_hw,
666 *nabs<mode>2_hw): Change type to vecmove.
667 (*and<mode>3_internal, *bool<mode>3_internal, *boolc<mode>3_internal,
668 *boolcc<mode>3_internal, *eqv<mode>3_internal,
669 *one_cmpl<mode>3_internal, *ieee_128bit_vsx_neg<mode>2_internal,
670 *ieee_128bit_vsx_abs<mode>2_internal,
671 *ieee_128bit_vsx_nabs<mode>2_internal, extendkftf2, trunctfkf2,
672 *ieee128_mfvsrd_64bit, *ieee128_mfvsrd_32bit, *ieee128_mtvsrd_64bit,
673 *ieee128_mtvsrd_32bit): Change type to veclogical.
674 (mov<mode>_hardfloat, *mov<mode>_hardfloat32, *mov<mode>_hardfloat64,
675 *movdi_internal32, *movdi_internal64): Update insn types.
676 * config/rs6000/vsx.md (*vsx_le_undo_permute_<mode>,
677 vsx_extract_<mode>): Change type to veclogical.
678 (*vsx_xxsel<mode>, *vsx_xxsel<mode>_uns): Change type to vecmove.
679 (vsx_sign_extend_qi_<mode>, *vsx_sign_extend_hi_<mode>,
680 *vsx_sign_extend_si_v2di): Change type to vecexts.
681 * config/rs6000/altivec.md (*altivec_mov<mode>, *altivec_movti): Change
683 (*altivec_eq<mode>, *altivec_gt<mode>, *altivec_gtu<mode>,
684 *altivec_vcmpequ<VI_char>_p, *altivec_vcmpgts<VI_char>_p,
685 *altivec_vcmpgtu<VI_char>_p): Change type to veccmpfx.
686 (*altivec_vsel<mode>, *altivec_vsel<mode>_uns): Change type to vecmove.
687 * config/rs6000/dfp.md (*negdd2_fpr, *absdd2_fpr, *nabsdd2_fpr,
688 negtd2, *abstd2_fpr, *nabstd2_fpr): Change type to fpsimple.
689 * config/rs6000/40x.md (ppc405-float): Add fpsimple.
690 * config/rs6000/440.md (ppc440-fp): Add fpsimple.
691 * config/rs6000/476.md (ppc476-fp): Add fpsimple.
692 * config/rs6000/601.md (ppc601-fp): Add fpsimple.
693 * config/rs6000/603.md (ppc603-fp): Add fpsimple.
694 * config/rs6000/6xx.md (ppc604-fp): Add fpsimple.
695 * config/rs6000/7xx.md (ppc750-fp): Add fpsimple.
696 (ppc7400-vecsimple): Add veclogical, vecmove, veccmpfx.
697 * config/rs6000/7450.md (ppc7450-fp): Add fpsimple.
698 (ppc7450-vecsimple): Add veclogical, vecmove.
699 (ppc7450-veccmp): Add veccmpfx.
700 * config/rs6000/8540.md (ppc8540_simple_vector): Add veclogical,
702 (ppc8540_vector_compare): Add veccmpfx.
703 * config/rs6000/a2.md (ppca2-fp): Add fpsimple.
704 * config/rs6000/cell.md (cell-fp): Add fpsimple.
705 (cell-vecsimple): Add veclogical, vecmove.
706 (cell-veccmp): Add veccmpfx.
707 * config/rs6000/e300c2c3.md (ppce300c3_fp): Add fpsimple.
708 * config/rs6000/e6500.md (e6500_vecsimple): Add veclogical, vecmove,
710 * config/rs6000/mpc.md (mpccore-fp): Add fpsimple.
711 * config/rs6000/power4.md (power4-fp): Add fpsimple.
712 (power4-vecsimple): Add veclogical, vecmove.
713 (power4-veccmp): Add veccmpfx.
714 * config/rs6000/power5.md (power5-fp): Add fpsimple.
715 * config/rs6000/power6.md (power6-fp): Add fpsimple.
716 (power6-vecsimple): Add veclogical, vecmove.
717 (power6-veccmp): Add veccmpfx.
718 * config/rs6000/power7.md (power7-fp): Add fpsimple.
719 (power7-vecsimple): Add veclogical, vecmove, veccmpfx.
720 * config/rs6000/power8.md (power8-fp): Add fpsimple.
721 (power8-vecsimple): Add veclogical, vecmove, veccmpfx.
722 * config/rs6000/rs64.md (rs64a-fp): Add fpsimple.
723 * config/rs6000/titan.md (titan_fp): Add fpsimple.
724 * config/rs6000/xfpu.md (fp-default, fp-addsub-s, fp-addsub-d): Add
726 * config/rs6000/rs6000.c (rs6000_adjust_cost): Add TYPE_FPSIMPLE.
728 2016-06-27 Peter Bergner <bergner@vnet.ibm.com>
731 * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
732 OPTION_MASK_P9_DFORM_VECTOR.
733 * config/rs6000/rs6000.c (rs6000_option_override_internal): Do not
734 disable -mpower9-dform-vector when using reload.
735 (quad_address_p): Remove 'gpr_p' argument and all associated code.
736 New 'strict' argument. Update all callers. Add strict addressing
738 (rs6000_legitimate_offset_address_p): Remove call to
739 virtual_stack_registers_memory_p.
740 (rs6000_legitimize_reload_address): Add quad address support.
741 (rs6000_legitimate_address_p): Move call to quad_address_p above
742 call to virtual_stack_registers_memory_p. Adjust quad_address_p args
743 to account for new strict usage.
744 (rs6000_output_move_128bit): Adjust quad_address_p args to account
745 for new strict usage.
746 * config/rs6000/predicates.md (quad_memory_operand): Likewise.
748 2016-06-26 Uros Bizjak <ubizjak@gmail.com>
755 * config/i386/i386.c (ix86_spill_class): Disable condition to
756 always return NO_REGS.
758 2016-06-26 Jan Hubicka <hubicka@ucw.cz>
760 * predict.c: Include gimple-pretty-print.h
761 (predicted_by_loop_heuristics_p): Check also
762 PRED_LOOP_EXIT_WITH_RECURSION
763 (predict_loops): Find self recursive calls and use special purpose
764 predictors for them; dump log about decisions.
765 (pass_profile::execute): Dump info about #of iterations.
766 * predict.def (PRED_LOOP_EXIT_WITH_RECURSION,
767 (PRED_LOOP_GUARD_WITH_RECURSION): New predictors.
769 2016-06-26 John David Anglin <danglin@gcc.gnu.org>
771 * config/pa/pa.c (pa_output_indirect_call): Rework to combine
772 output_asm_insn calls and shorten long lines. Output .CALL
773 argument descriptor using pa_output_arg_descriptor. Add various
774 inline $$dyncall and other optimizations.
775 (pa_attr_length_indirect_call): Adjust ordering and lengths.
777 2016-06-25 Jakub Jelinek <jakub@redhat.com>
779 PR tree-optimization/71643
780 * tree-ssa-tail-merge.c (find_clusters_1): Ignore basic blocks with
783 * tree-ssa-tail-merge.c (deps_ok_for_redirect_from_bb_to_bb): Don't
784 leak a bitmap if dep_bb is NULL.
786 PR tree-optimization/71631
787 * tree-ssa-reassoc.c (reassociate_bb): Pass true as last argument
788 to rewrite_expr_tree even if negate_result, move new_lhs var
789 declaration and initialization earlier, for powi_result set afterwards
790 new_lhs to lhs. For negate_result, use new_lhs instead of tmp
791 if new_lhs != lhs, and don't shadow gsi var.
793 2016-06-24 Jan Hubicka <hubicka@ucw.cz>
795 * predict.c (predict_paths_leading_to, predict_paths_leading_to_edge):
796 Add in_loop parameter.
797 (predict_loops): Add loop guard heuristics.
798 * predict.def (PRED_LOOP_GUARD): New heuristics.
800 2016-06-24 Jan Hubicka <hubicka@ucw.cz>
802 * predict.c: Include ipa-utils.h
803 (tree_bb_level_prediction): Predict recursive calls.
804 (tree_estimate_probability_bb): Skip inexpensive calls for call
806 * predict.def (PRED_RECURSIVE_CALL): New.
808 2016-06-24 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
810 * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): New #define.
811 (BU_FLOAT128_1): Likewise.
813 (COPYSIGNQ): Likewise.
814 (RS6000_BUILTIN_NANQ): Likewise.
815 (RS6000_BUILTIN_NANSQ): Likewise.
816 (RS6000_BUILTIN_INFQ): Likewise.
817 (RS6000_BUILTIN_HUGE_VALQ): Likewise.
818 * config/rs6000/rs6000.c (rs6000_fold_builtin): New prototype.
819 (TARGET_FOLD_BUILTIN): New #define.
820 (rs6000_builtin_mask_calculate): Add TARGET_FLOAT128 entry.
821 (rs6000_invalid_builtin): Add handling for RS6000_BTM_FLOAT128.
822 (rs6000_fold_builtin): New target hook implementation, handling
823 folding of 128-bit NaNs and infinities.
824 (rs6000_init_builtins): Initialize const_str_type_node; ensure all
825 entries are filled in to avoid problems during bootstrap
826 self-test; define builtins for 128-bit NaNs and infinities.
827 (rs6000_opt_mask): Add entry for float128.
828 * config/rs6000/rs6000.h (RS6000_BTM_FLOAT128): New #define.
829 (RS6000_BTM_COMMON): Include RS6000_BTM_FLOAT128.
830 (rs6000_builtin_type_index): Add RS6000_BTI_const_str.
831 (const_str_type_node): New #define.
832 * config/rs6000/rs6000.md (copysign<mode>3 for IEEE128): Convert
833 to a define_expand that dispatches to either copysign<mode>3_soft
834 or copysign<mode>3_hard.
835 (copysign<mode>3_hard): Rename from copysign<mode>3.
836 (copysign<mode>3_soft): New define_insn.
837 * doc/extend.texi: Document new builtins.
839 2016-06-24 Jakub Jelinek <jakub@redhat.com>
841 * cfgloop.c (flow_loop_dump): Cast nit to uint64_t and print it using
842 PRIu64 instead of lu.
844 2016-06-24 Eric Botcazou <ebotcazou@adacore.com>
847 * tree-inline.c (remap_decl): When fixing up DECL_ORIGINAL_TYPE, just
850 2016-06-24 Jakub Jelinek <jakub@redhat.com>
852 PR tree-optimization/71647
853 * omp-low.c (lower_rec_input_clauses): Convert
854 omp_clause_aligned_alignment (c) to size_type_node for the
855 last argument of __builtin_assume_aligned.
857 2016-06-24 H.J. Lu <hongjiu.lu@intel.com>
859 * configure.ac (calling ___tls_get_addr via GOT): New
860 assembler/linker check.
861 (HAVE_AS_IX86_TLS_GET_ADDR_GOT): New. Defined to 1 if 32-bit
862 assembler and linker supports calling ___tls_get_addr via GOT.
863 Otherise, defined to 0.
864 * config.in: Regenerated.
865 * configure: Likewise.
866 * config/i386/constraints.md (Yb): New constraint.
867 * config/i386/i386.h (reg_class): Add TLS_GOTBASE_REGS.
868 (REG_CLASS_NAMES): Likewise.
869 (REG_CLASS_CONTENTS): Likewise.
870 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Replace
871 the b constraint with the Yb constraint. Call ___tls_get_addr
872 via GOT for GNU TLS with -fno-plt if HAVE_AS_IX86_TLS_GET_ADDR_GOT
874 (*tls_local_dynamic_base_32_gnu): Likewise.
875 (*tls_global_dynamic_64_<mode>): Call _tls_get_addr via GOT for
876 GNU TLS with -fno-plt if HAVE_AS_IX86_TLS_GET_ADDR_GOT is 1.
877 (*tls_local_dynamic_base_64_<mode>): Likewise.
879 2016-06-24 Martin Liska <mliska@suse.cz>
881 * cfgloop.c (flow_loop_dump): Dump average number of loop iterations.
882 * cfgloop.h: Change 'struct loop' to 'const struct loop' for a
884 * cfgloopanal.c (expected_loop_iterations_unbounded): Set a new
885 argument to true if the expected number of iterations is
888 2016-06-24 Uros Bizjak <ubizjak@gmail.com>
890 * configure.ac (HAVE_AS_GOTOF_IN_DATA): Use $as_ix86_gas_32_opt to
891 assemble for 32bit target.
892 (HAVE_AS_IX86_TLSGDPLT): Use $as_ix86_gas_32_opt to assemble
893 and $ld_ix86_gld_32_opt to link for 32bit target.
894 (HAVE_AS_IX86_TLSLDMPLT): Ditto.
895 * configure: Regenerate.
897 2016-06-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
899 * config/arm/arm.c (int_log2): Delete definition and prototype.
900 (shift_op): Use exact_log2 instead of int_log2.
901 (vfp3_const_double_for_fract_bits): Likewise.
903 2016-06-24 Jakub Jelinek <jakub@redhat.com>
905 * internal-fn.c (expand_arith_set_overflow): New function.
906 (expand_addsub_overflow, expand_neg_overflow, expand_mul_overflow):
908 (expand_arith_overflow_result_store): Likewise. Handle precision
909 smaller than mode precision.
910 * tree-vrp.c (extract_range_basic): For imag part, handle
911 properly signed 1-bit precision result.
912 * doc/extend.texi (__builtin_add_overflow): Document that last
913 argument can't be pointer to enumerated or boolean type.
914 (__builtin_add_overflow_p): Document that last argument can't
915 have enumerated or boolean type.
917 2016-06-23 Michael Meissner <meissner@linux.vnet.ibm.com>
918 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
920 * config/rs6000/predicates.md (splat_input_operand): Rework.
921 Don't allow constants, since the insns that use this predicate
922 don't support constants. Constants are handled by other insns
923 that are created via combine. During and after register
924 allocation, only allow indexed or indirect addresses, and not
925 general addresses. Only allow modes supported by the hardware.
926 * config/rs6000/rs6000.c (xxsplitb_constant_p): Update usage
927 comment. Move check for using VSPLTIS<x> to a common location,
928 instead of doing it in two different places.
930 2016-06-23 Jocelyn Mayer <l_indien@magic.fr>
932 * config/i386/driver-i386.c (host_detect_local_cpu): Set
933 PROCESSOR_PENTIUMPRO for signature_CENTAUR_ebx family >= 9.
934 <case PROCESSOR_PENTIMUMPRO>: Pass c7 or nehemiah for
935 signature_CENTAUR_ebx.
937 2016-06-23 H.J. Lu <hongjiu.lu@intel.com>
941 * configure.ac (as_ix86_tls_ldm_opt): Renamed to ...
942 (as_ix86_gas_32_opt): This.
943 (ld_ix86_tls_ldm_opt): Renamed to ...
944 (ld_ix86_gld_32_opt): This.
945 (R_386_TLS_LDM reloc): Updated.
946 (R_386_GOT32X reloc): New assembler/linker check.
947 (HAVE_AS_IX86_GOT32X): New. Defined to 1 if 32-bit assembler and
948 linker support "jmp *_start@GOT" and "cmpl $0, bar@GOT". Otherise,
950 * config.in: Regenerated.
951 * configure: Likewise.
952 * config/i386/i386.c (ix86_force_load_from_GOT_p): Return
953 true if HAVE_AS_IX86_GOT32X is 1 in 32-bit mode.
954 (ix86_legitimate_address_p): Allow UNSPEC_GOT for -fno-plt
955 if ix86_force_load_from_GOT_p returns true.
956 (ix86_print_operand_address_as): Also support UNSPEC_GOT if
957 ix86_force_load_from_GOT_p returns true.
958 (ix86_expand_move): Generate UNSPEC_GOT in 32-bit mode to load
959 the external function address via the GOT slot.
960 (ix86_nopic_noplt_attribute_p): Check both TARGET_64BIT and
961 HAVE_AS_IX86_GOT32X before returning false.
962 (ix86_output_call_insn): Generate "%!jmp/call\t*%p0@GOT" in
963 32-bit mode if ix86_nopic_noplt_attribute_p returns true.
965 2016-06-23 Eric Botcazou <ebotcazou@adacore.com>
967 * tree-inline.c (remap_decl): Preserve DECL_ORIGINAL_TYPE invariant.
969 2016-06-23 Andi Kleen <ak@linux.intel.com>
971 * Makefile.in: Regenerate.
972 * doc/install.texi: Document autoprofiledbootstrap.
974 2016-06-23 Andi Kleen <ak@linux.intel.com>
976 * config/i386/gcc-auto-profile: New file.
978 2016-06-23 Martin Liska <mliska@suse.cz>
981 * predict.c (predict_loops): Revert the hunk that was removed
984 2016-06-23 Jakub Sejdak <jakub.sejdak@phoesys.com>
986 * config.gcc: Add support for arm*-*-phoenix* targets.
987 * config/arm/t-phoenix: New.
988 * config/phoenix.h: New.
990 2016-06-23 Uros Bizjak <ubizjak@gmail.com>
991 H.J. Lu <hongjiu.lu@intel.com>
994 * config/i386/i386-protos.h (ix86_force_load_from_GOT_p): New.
995 * config/i386/i386.c (ix86_force_load_from_GOT_p): New function.
996 (ix86_legitimate_constant_p): Do not allow UNSPEC_GOTPCREL if
997 ix86_force_load_from_GOT_p returns true.
998 (ix86_legitimate_address_p): Allow UNSPEC_GOTPCREL if
999 ix86_force_load_from_GOT_p returns true.
1000 (ix86_print_operand_address_as): Support UNSPEC_GOTPCREL if
1001 ix86_force_load_from_GOT_p returns true.
1002 (ix86_expand_move): Load the external function address via the
1003 GOT slot if ix86_force_load_from_GOT_p returns true.
1004 * config/i386/predicates.md (x86_64_immediate_operand): Return
1005 false for SYMBOL_REFs where ix86_force_load_from_GOT_p returns true.
1006 (x86_64_zext_immediate_operand): Ditto.
1008 2016-06-22 Uros Bizjak <ubizjak@gmail.com>
1010 * config/i386/i386.c (ix86_expand_move): Simplify SYMBOL_REF handling.
1012 2016-06-22 David Malcolm <dmalcolm@redhat.com>
1015 * diagnostic-core.h (pedwarn_at_rich_loc): New prototype.
1016 * diagnostic.c (pedwarn_at_rich_loc): New function.
1017 * spellcheck.h (best_match::best_match): Add a
1018 "best_distance_so_far" optional parameter.
1019 (best_match::set_best_so_far): New method.
1020 (best_match::get_best_distance): New accessor.
1021 (best_match::get_best_candidate_length): New accessor.
1023 2016-06-22 Nick Clifton <nickc@redhat.com>
1025 * dwarf2out.c (scompare_loc_descriptor): Use SCALAR_INT_MODE_P() in
1026 place of GET_MODE_CLASS() == MODE_INT, so that partial integer
1027 modes are accepted as well.
1028 (ucompare_loc_descriptor): Likewise.
1029 (minmax_loc_descriptor): Likewise.
1030 (clz_loc_descriptor): Likewise.
1031 (popcount_loc_descriptor): Likewise.
1032 (bswap_loc_descriptor): Likewise.
1033 (rotate_loc_descriptor): Likewise.
1034 (mem_loc_descriptor): Likewise.
1035 (loc_descriptor): Likewise.
1037 2016-06-22 David Malcolm <dmalcolm@redhat.com>
1039 * common.opt (fdiagnostics-parseable-fixits): New option.
1040 * diagnostic.c: Include "selftest.h".
1041 (print_escaped_string): New function.
1042 (print_parseable_fixits): New function.
1043 (diagnostic_report_diagnostic): Call print_parseable_fixits.
1044 (selftest::assert_print_escaped_string): New function.
1045 (ASSERT_PRINT_ESCAPED_STRING_STREQ): New macro.
1046 (selftest::test_print_escaped_string): New function.
1047 (selftest::test_print_parseable_fixits_none): New function.
1048 (selftest::test_print_parseable_fixits_insert): New function.
1049 (selftest::test_print_parseable_fixits_remove): New function.
1050 (selftest::test_print_parseable_fixits_replace): New function.
1051 (selftest::diagnostic_c_tests): New function.
1052 * diagnostic.h (struct diagnostic_context): Add field
1053 "parseable_fixits_p".
1054 * doc/invoke.texi (Diagnostic Message Formatting Options): Add
1055 -fdiagnostics-parseable-fixits.
1056 (-fdiagnostics-parseable-fixits): New option.
1057 * opts.c (common_handle_option): Handle
1058 -fdiagnostics-parseable-fixits.
1059 * selftest-run-tests.c (selftest::run_tests): Call
1060 selftest::diagnostic_c_tests.
1061 * selftest.h (selftest::diagnostic_c_tests): New prototype.
1063 2016-06-22 Ilya Enkovich <ilya.enkovich@intel.com>
1065 PR tree-optimization/71488
1066 * tree-vect-patterns.c (vect_recog_mask_conversion_pattern): Support
1067 comparison of boolean vectors.
1068 * tree-vect-stmts.c (vectorizable_comparison): Vectorize comparison
1069 of boolean vectors using bitwise operations.
1071 2016-06-22 Andreas Schwab <schwab@suse.de>
1073 * config/aarch64/aarch64-protos.h (aarch64_elf_asm_named_section):
1076 2016-06-22 Eric Botcazou <ebotcazou@adacore.com>
1078 * function.c (assign_parm_setup_reg): Prevent sharing in another case.
1080 2016-06-22 Bernd Edlinger <bernd.edlinger@hotmail.de>
1082 * config/i386/i386.c (print_reg): Emit an error message on attempt to
1085 2016-06-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1087 * config/arm/arm.c (arm_cortex_a73_tune): New struct.
1088 * config/arm/arm-cores.def (cortex-a73): New entry.
1089 (cortex-a73.cortex-a35): Likewise.
1090 (cortex-a73.cortex-a53): Likewise.
1091 * config/arm/arm-tables.opt: Regenerate.
1092 * config/arm/arm-tune.md: Likewise.
1093 * config/arm/bpabi.h (BE8_LINK_SPEC): Handle mcpu=cortex-a73,
1094 mcpu=cortex-a73.cortex-a35 and mcpu=cortex-a73.cortex-a53.
1095 * config/arm/t-aprofile: Handle mcpu=cortex-a73,
1096 mcpu=cortex-a73.cortex-a35 and mcpu=cortex-a73.cortex-a53.
1097 * doc/invoke.texi (ARM Options): Document cortex-a73,
1098 cortex-a73.cortex-a35 and cortex-a73.cortex-a53.
1100 2016-06-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1102 * config/aarch64/aarch64.c (cortexa73_tunings): New struct.
1103 * config/aarch64/aarch64-cores.def (cortex-a73): New entry.
1104 (cortex-a73.cortex-a35): Likewise.
1105 (cortex-a73.cortex-a53): Likewise.
1106 * config/aarch64/aarch64-tune.md: Regenerate.
1107 * doc/invoke.texi (AArch64 Options): Document cortex-a73,
1108 cortex-a73.cortex-a35 and cortex-a73.cortex-a53 arguments to
1111 2016-06-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1113 * configure.ac (gcc_cv_as_compress_debug): Remove
1114 --compress-debug-sections as extra as switch.
1115 Handle gas --compress-debug-sections=type.
1116 (gcc_cv_ld_compess_debug): Remove bogus ld_date check.
1117 Handle gld --compress-debug-sections=type.
1118 * configure: Regenerate.
1120 2016-06-21 Andrew Burgess <andrew.burgess@embecosm.com>
1122 * bb-reorder.c (pass_partition_blocks::gate): Update comment.
1124 2016-06-21 John David Anglin <danglin@gcc.gnu.org>
1126 * gcov-tool.c (profile_rewrite): Use int64_t instead of long long.
1127 (do_rewrite): likewise.
1129 2016-06-21 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
1131 * common/config/mep/mep-common.c: Remove.
1132 * config.gcc: Remove mep-* support.
1133 * config/mep/constraints.md: Remove.
1134 * config/mep/default.h: Remove.
1135 * config/mep/intrinsics.h: Remove.
1136 * config/mep/intrinsics.md: Remove.
1137 * config/mep/ivc2-template.h: Remove.
1138 * config/mep/mep-c5.cpu: Remove.
1139 * config/mep/mep-core.cpu: Remove.
1140 * config/mep/mep-default.cpu: Remove.
1141 * config/mep/mep-ext-cop.cpu: Remove.
1142 * config/mep/mep-intrin.h: Remove.
1143 * config/mep/mep-ivc2.cpu: Remove.
1144 * config/mep/mep-pragma.c: Remove.
1145 * config/mep/mep-protos.h: Remove.
1146 * config/mep/mep.c: Remove.
1147 * config/mep/mep.cpu: Remove.
1148 * config/mep/mep.h: Remove.
1149 * config/mep/mep.md: Remove.
1150 * config/mep/mep.opt: Remove.
1151 * config/mep/predicates.md: Remove.
1152 * config/mep/t-mep: Remove.
1153 * doc/install.texi: Remove mep-* documentation.
1154 * doc/md.texi: Likewise.
1156 2016-06-21 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
1158 * config.gcc: Remove support for avr-rtems.
1159 * config/avr/gen-avr-mmcu-specs.c: Likewise.
1160 * config/avr/rtems.h: Remove.
1161 * config/avr/t-rtems: Remove.
1163 2016-06-21 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
1165 * config.gcc: Remove m32r-rtems support.
1166 * config/m32r/rtems.h: Remove.
1168 2016-06-21 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
1170 * config.gcc: Remove h8300-rtems support.
1171 * config/h8300/rtems.h: Remove.
1172 * config/h8300/t-rtems: Remove.
1174 2016-06-21 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
1176 * config.gcc: Remove support for knetbsd.
1177 * configure.ac: Likewise.
1178 * config/i386/knetbsd-gnu.h: Remove. * config/i386/knetbsd-gnu64.h: Remove.
1179 * config/knetbsd-gnu.h: Remove.
1180 * configure: Regenerate.
1182 2016-06-21 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
1184 * config.gcc: Remove support for openbsd 2 and 3.
1185 * config/openbsd-oldgas.h: Remove.
1187 2016-06-21 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
1189 * config.gcc: Remove interix support.
1190 * config/i386/i386-interix.h: Remove.
1191 * config/i386/interix.opt: Remove.
1192 * config/i386/t-interix: Remove.
1193 * configure: Regenerate.
1194 * configure.ac: Remove interix support.
1195 * doc/install.texi: Remove interix documentation.
1197 2016-06-21 Kelvin Nilsen <kelvin@gcc.gnu.org>
1199 * config/rs6000/rs6000.h: Add conditional preprocessing directives
1200 to disable Power9-specific compiler features if HAVE_AS_POWER9 is
1203 2016-06-21 Eric Botcazou <ebotcazou@adacore.com>
1205 * tree.c (verify_type_variant): Skip TYPE_SIZE and TYPE_SIZE_UNIT if
1206 they are both PLACEHOLDER_EXPRs.
1208 2016-06-21 Michael Meissner <meissner@linux.vnet.ibm.com>
1210 * stor-layout.c (layout_type): Move setting complex MODE to
1211 layout_type, instead of setting it ahead of time by the caller.
1212 * tree.c (build_complex_type): Likewise.
1214 2016-06-21 Martin Liska <mliska@suse.cz>
1216 * predict.c (force_edge_cold): Replace imposisble with
1219 2016-06-21 Ilya Verbin <ilya.verbin@intel.com>
1221 * config/i386/i386.c (ix86_emit_swsqrtsf): Emit vrsqrt28ps.
1222 * config/i386/sse.md (define_expand "rsqrtv16sf2"): New.
1224 2016-06-21 Ilya Verbin <ilya.verbin@intel.com>
1226 * config/i386/i386.c (ix86_emit_swdivsf): Emit vrcp28ps.
1228 2016-06-21 H.J. Lu <hongjiu.lu@intel.com>
1229 Ilya Enkovich <ilya.enkovich@intel.com>
1232 * config/i386/i386.c (timode_scalar_chain::fix_debug_reg_uses):
1233 New member function to convert V1TImode register to SUBREG
1234 TImode in debug insn.
1235 (timode_scalar_chain::convert_insn): Call fix_debug_reg_uses
1236 after changing register mode to V1TImode.
1238 2016-06-21 Virendra Pathak <virendra.pathak@broadcom.com>
1240 * config/aarch64/aarch64-cores.def (vulcan): New core.
1241 * config/aarch64/aarch64-tune.md: Regenerate.
1242 * doc/invoke.texi: Document vulcan as an available option.
1244 2016-06-21 Eric Botcazou <ebotcazou@adacore.com>
1246 * cse.c (canon_asm_operands): New function extracted from...
1247 (canonicalize_insn): ...here. Call it to canonicalize an ASM_OPERANDS
1248 either standalone or member of a PARALLEL.
1250 2016-06-21 Georg-Johann Lay <avr@gjlay.de>
1253 * config/avr/gen-avr-mmcu-specs.c (print_mcu):
1254 [*link_data_start]: Wrap -Tdata into %{!Tdata:...}.
1255 [*link_text_start]: Wrap -Ttext into %{!Ttext:...}.
1257 2016-06-21 Georg-Johann Lay <avr@gjlay.de>
1260 * config/avr/avr.md (movqi): Only handle loading subreg:qi of
1261 constant addresses if can_create_pseudo_p.
1263 2016-06-21 Jakub Jelinek <jakub@redhat.com>
1265 PR tree-optimization/71588
1266 * tree-ssa-strlen.c (valid_builtin_call): New function.
1267 (adjust_last_stmt, handle_builtin_memset, strlen_optimize_stmt): Use
1270 2016-06-20 Jakub Jelinek <jakub@redhat.com>
1273 * tree-ssa-uninit.c (warn_uninit): If EXPR and VAR are NULL,
1274 see if T isn't anonymous SSA_NAME with COMPLEX_EXPR created
1275 for conversion of scalar user var to complex type and use the
1276 underlying SSA_NAME_VAR in that case. If EXPR is still NULL,
1279 PR rtl-optimization/71591
1280 * toplev.c (toplev::run_self_tests): If no_backend, complain and
1281 don't run any tests.
1283 2016-06-20 Hans-Peter Nilsson <hp@axis.com>
1286 * config/cris/cris.c (cris_asm_output_mi_thunk): Add missing "ba"
1287 delay-slot "nop" for PIC with CRIS v32. Also add missing leading
1288 space for PIC with non-v32 and the common non-PIC "jump".
1290 2016-06-20 Jakub Jelinek <jakub@redhat.com>
1293 * config/i386/i386.c (ix86_fp_cmp_code_to_pcmp_immediate): Fix up
1294 returned values and add UN*/LTGT/*ORDERED cases with values matching
1295 D operand modifier on vcmp for AVX.
1297 2016-06-20 Wilco Dijkstra <wdijkstr@arm.com>
1299 * config/aarch64/aarch64.opt
1300 (mpc-relative-literal-loads): Rename internal option name.
1301 * config/aarch64/aarch64.c
1302 (aarch64_nopcrelative_literal_loads): Rename to
1303 aarch64_pcrelative_literal_loads.
1304 (aarch64_expand_mov_immediate): Likewise.
1305 (aarch64_secondary_reload): Likewise.
1306 (aarch64_can_use_per_function_literal_pools_p): Likewise.
1307 (aarch64_override_options_after_change_1): Rename and simplify logic.
1308 (aarch64_classify_symbol): Merge large model checks into switch,
1309 remove pc-relative load check.
1311 2016-06-20 James Greenhalgh <james.greenhalgh@arm.com>
1313 * config/arm/aarch-cost-tables.h (cortexa53_extra_costs): Make FP
1314 costs relative to the cost of a register move.
1316 2016-06-20 James Greenhalgh <james.greenhalgh@arm.com>
1318 * config/aarch64/arm_neon.h (vcvt_n_f64_s64): New.
1319 (vcvt_n_f64_u64): Likewise.
1320 (vcvt_n_s64_f64): Likewise.
1321 (vcvt_n_u64_f64): Likewise.
1322 (vcvt_f64_s64): Likewise.
1323 (vrecpe_f64): Likewise.
1324 (vcvt_f64_u64): Likewise.
1325 (vrecps_f64): Likewise.
1327 2016-06-20 James Greenhalgh <james.greenhalgh@arm.com>
1329 * config/aarch64/aarch64.md
1330 (<FCVT_F2FIXED:fcvt_fixed_insn><GPF:mode>3): Add attributes to
1332 (<FCVT_FIXED2F:fcvt_fixed_insn><GPI:mode>3): Likewise. Correct
1334 * config/aarch64/aarch64-builtins.c
1335 (aarch64_types_binop_uss_qualifiers): Delete.
1336 (TYPES_BINOP_USS): Likewise.
1337 (aarch64_types_binop_sus_qualifiers): Likewise.
1338 (TYPES_BINOP_SUS): Likewise.
1339 (aarch64_types_fcvt_from_unsigned_qualifiers): New.
1340 (TYPES_FCVTIMM_SUS): Likewise.
1341 * config/aarch64/aarch64-simd-builtins.def (scvtf): Use SHIFTIMM
1343 (ucvtf): Use FCVTIMM_SUS rather than BINOP_SUS.
1344 (fcvtzs): Use SHIFTIMM rather than BINOP.
1345 (fcvtzu): Use SHIFTIMM_USS rather than BINOP_USS.
1347 2016-06-20 James Greenhalgh <james.greenhalgh@arm.com>
1349 * config/arm/aarch-cost-tables.h (cortexa57_extra_costs): Make FP
1350 costs relative to the cost of a register move.
1352 2016-06-20 Wilco Dijkstra <wdijkstr@arm.com>
1354 * config/aarch64/aarch64.c (aarch64_modes_tieable_p):
1355 Allow scalar/single vector modes to be tieable.
1357 2016-06-20 Wilco Dijkstra <wdijkstr@arm.com>
1359 * config/arm/cortex-a57.md (cortex_a57_fp_cpys): Add fcsel.
1361 2016-06-20 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1363 * params.def (PARAM_ALIGN_LOOP_ITERATIONS): Use "alignment" instead of
1365 * tree.h (TYPE_ALIGN): Likewise.
1367 2016-06-20 Georg-Johann Lay <avr@gjlay.de>
1370 * config/avr/avr.md (movqi): Handle loading subreg:qi (const).
1372 2016-06-20 Georg-Johann Lay <avr@gjlay.de>
1374 * config/avr/avr.c (avr_print_operand): Fix "format not a string
1375 literal" build warnings.
1376 (avr_print_operand_address): Dito.
1378 2016-06-19 David Edelsohn <dje.gcc@gmail.com>
1381 * config/rs6000/aix51.h (TARGET_EXTRA_BUILTINS): Define as 0.
1382 * config/rs6000/aix43.h (TARGET_EXTRA_BUILTINS): Same.
1384 2016-06-18 John David Anglin <danglin@gcc.gnu.org>
1386 * config/pa/pa.h (TARGET_LONG_PIC_PCREL_CALL): Remove.
1388 2016-06-18 Eric Botcazou <ebotcazou@adacore.com>
1391 * reload1.c (reload): Pass 0 to finish_spills when called because
1392 update_eliminables_and_spill returns true and remove did_spill.
1393 (finish_spills): Adjust comment and document GLOBAL parameter.
1395 2016-06-17 DJ Delorie <dj@redhat.com>
1398 * config/rl78/rl78-expand.c (umulqihi3): Enable for G10.
1399 * config/rl78/rl78-virtual.c (umulhi3_shift_virt): Likewise.
1400 (umulqihi3_virt): Likewise.
1401 * config/rl78/rl78-real.c (umulhi3_shift_real): Likewise.
1402 (umulqihi3_real): Likewise.
1404 2016-06-17 Martin Liska <mliska@suse.cz>
1406 * tree-ssa-reassoc.c (transform_add_to_multiply): Use auto_vec.
1408 2016-06-17 Martin Liska <mliska@suse.cz>
1410 * predict.def: PRED_LOOP_EXIT from 92 to 85.
1412 2016-06-17 James Greenhalgh <james.greenhalgh@arm.com>
1414 * config/arm/arm_neon.h (vadd_f32): replace __FAST_MATH with
1416 (vaddq_f32): Likewise.
1417 (vmul_f32): Likewise.
1418 (vmulq_f32): Likewise.
1419 (vsub_f32): Likewise.
1420 (vsubq_f32): Likewise.
1422 2016-06-17 Bin Cheng <bin.cheng@arm.com>
1424 PR tree-optimization/71347
1425 * tree-ssa-loop-ivopts.c (determine_group_iv_cost_address): Compute
1426 cost for all uses in group.
1428 2016-06-17 Bin Cheng <bin.cheng@arm.com>
1430 * tree-vect-loop.c (vect_create_epilog_for_reduction): Only
1431 insert gimple seq if it's not empty.
1433 2016-06-17 Bin Cheng <bin.cheng@arm.com>
1435 * tree-vectorizer.h (struct dr_with_seg_len): Remove class
1437 * tree-vect-data-refs.c (operator ==): Handle DR_OFFSET directly,
1439 (comp_dr_with_seg_len_pair): Ditto.
1440 (vect_prune_runtime_alias_test_list): Ditto. Also Canonicalize
1441 struct dr_with_seg_len_pair against DR_OFFSET.
1442 * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks): Handle
1445 2016-06-17 Szabolcs Nagy <szabolcs.nagy@arm.com>
1447 * config/aarch64/geniterators.sh: Handle parenthesised conditions.
1449 2016-06-16 John David Anglin <danglin@gcc.gnu.org>
1451 * config/pa/pa.c (pa_output_pic_pcrel_sequence): New.
1452 (pa_output_lbranch): Use pa_output_pic_pcrel_sequence.
1453 (pa_output_millicode_call): Likewise.
1454 (pa_output_call): Likewise.
1455 (pa_output_indirect_call): Likewise.
1456 (pa_asm_output_mi_thunk): Likewise.
1458 2016-06-16 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1460 * doc/invoke.texi (x86 Options): Fix -mno-fp-ret-in-387 typo.
1462 2016-06-16 Martin Liska <mliska@suse.cz>
1464 * predict.c (combine_predictions_for_insn): When we find a first
1465 match predictor, we should consider just predictors with
1466 PRED_FLAG_FIRST_MATCH. Print either first match (if any) or
1467 DS theory predictor.
1468 (combine_predictions_for_bb): Likewise.
1470 2016-06-16 Jakub Jelinek <jakub@redhat.com>
1472 * gimplify.c (gimplify_scan_omp_clauses): Handle COMPONENT_REFs
1473 with base of reference to struct.
1475 2016-06-16 Uros Bizjak <ubizjak@gmail.com>
1477 * doc/invoke.texi (x86 Options): Document -m80387 and -mhard-float.
1479 2016-06-16 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
1482 * config/avr/avr.c (avr_asm_init_sections): Remove setup of
1483 progmem_swtable_section.
1484 (progmem_swtable_section): Remove.
1485 (avr_asm_function_rodata_section): Remove.
1486 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1487 * config/avr/avr.h (JUMP_TABLES_IN_TEXT_SECTION: Define to 1.
1489 2016-06-16 Jocelyn Mayer <l_indien@magic.fr>
1491 * config/i386/driver-i386.c (host_detect_local_cpu): Set
1492 PROCESSOR_K8 for signature_CENTAUR_ebx with has_longmode.
1493 <case PROCESSOR_K8>: Pass nano-3000, nano, eden-x2 or k8 for
1494 signature_CENTAUR_ebx.
1495 * config/i386/i386.c (ix86_option_override_internal): Add
1496 definitions for VIA c7, samuel-2, nehemiah, esther, eden-x2, eden-x4,
1497 nano, nano-1000, nano-2000, nano-3000, nano-x2 and nano-x4.
1498 * doc/invoke.texi (x86 Options): Document new VIA -march entries.
1500 2016-06-16 Martin Liska <mliska@suse.cz>
1502 * predict.def: Add fortran loop preheader predictor.
1503 * gimple-fold.c (gimple_fold_stmt_to_constant_1): Properly
1504 fold IFN_BUILTIN_EXPECT with a known constant argument.
1506 2016-06-16 Martin Liska <mliska@suse.cz>
1508 * predict.def: Add 'Fortran' to display text of all
1509 PRED_FORTRAN_* predictors.
1511 2016-06-16 Uros Bizjak <ubizjak@gmail.com>
1514 * config/ia64/ia64.c (enum ia64_builtins) [IA64_BUILTIN_NANQ]: New.
1515 [IA64_BUILTIN_NANSQ]: Ditto.
1516 (ia64_fold_builtin): New function.
1517 (TARGET_FOLD_BUILTIN): New define.
1518 (ia64_init_builtins) Declare const_string_type node.
1519 Add __builtin_nanq and __builtin_nansq builtin functions.
1520 (ia64_expand_builtin): Handle IA64_BUILTIN_NANQ and IA64_BUILTIN_NANSQ.
1522 2016-06-16 Nick Clifton <nickc@redhat.com>
1524 * config/msp430/msp430-opts.h (msp430_hwmult_types): Add
1525 MSP430_HWMULT_ prefix to enum values.
1526 (msp430_regions): Add MSP430_REGION_ prefix to enum values.
1527 * config/msp430/msp430.c: Update use of enum values.
1528 * config/msp430/msp430.md: Likewise.
1529 * config/msp430/msp430.opt: Likewise.
1531 2016-06-16 Jan Hubicka <hubicka@ucw.cz>
1533 * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Fix estimation
1534 of comparsions in the last iteration.
1536 2016-06-16 Claudiu Zissulescu <claziss@synopsys.com>
1537 Joern Rennecke <joern.rennecke@embecosm.com>
1539 * config/arc/arc.c (arc_print_operand_address): Handle pc-relative
1541 (arc_needs_pcl_p): Add GOTOFFPC.
1542 (arc_legitimate_pic_addr_p): Likewise.
1543 (arc_output_pic_addr_const): Likewise.
1544 (arc_legitimize_pic_address): Generate a pc-relative address using
1546 (arc_output_libcall): Use @pcl syntax.
1547 (arc_delegitimize_address_0): Delegitimize ARC_UNSPEC_GOTOFFPC.
1548 * config/arc/arc.md ("unspec"): Add ARC_UNSPEC_GOTOFFPC.
1549 (*movsi_insn): Use @pcl syntax.
1550 (doloop_begin_i): Likewise.
1552 2016-06-16 Martin Liska <mliska@suse.cz>
1554 * predict.def: Define a new predictor.
1556 2016-06-16 Claudiu Zissulescu <claziss@synopsys.com>
1558 * config/arc/arc.opt (mtp-regno): Update text.
1560 2016-06-16 Renlin Li <renlin.li@arm.com>
1562 * config/aarch64/aarch64.c (aarch64_legitimize_address): Fix a typo.
1564 2016-06-16 Jakub Jelinek <jakub@redhat.com>
1567 * config/i386/i386.md (setcc + movzbl peephole2): Use reg_set_p.
1568 (setcc + and peephole2): Likewise.
1570 PR rtl-optimization/71532
1571 * cse.c (cse_insn): For const/pure calls, invalidate argument passing
1574 2016-06-15 Michael Meissner <meissner@linux.vnet.ibm.com>
1576 * config/rs6000/vsx.md (VSINT_84): Add DImode to enable loading
1577 DImode constants with XXSPLTIB in vector registers.
1578 (vsx_extract_<mode>, V2DImode/V2DFmode): Combine both
1579 vsx_extract_<mode>_internal{1,2} into a single insn that handles
1580 direct move (both ISA 2.07 and ISA 3.0 versions), and optimizes
1581 extraction of the element at the top of the register as a scalar
1583 (vsx_extract_<mode>_internal1): Likewise.
1584 (vsx_extract_<mode>_internal2): Likewise.
1585 * config/rs6000/constraints.md (wi constraint): Remove a comment
1586 about DImode not being allowed in Altivec registers.
1587 (wB constraint): New constraint for constants that can be
1588 generated in Altivec registers with VSPLTISW/VUPKHSW.
1589 * config/rs6000/predicates.md (xxspltib_constant_split): Update
1591 (xxspltib_constant_nosplit): Likewise.
1592 * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Add
1593 support for -mupper-regs-di to enable DImode to go into Altivec
1595 (POWERPC_MASKS): Likewise.
1596 (power7 cpu): Likewise.
1597 * config/rs6000/rs6000.opt (-mupper-regs-di): Likewise.
1598 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Add support
1599 for DImode being allowed in Altivec registers. Update wi/wj
1600 constraints. Set scalar_in_vmx_p flag.
1601 (rs6000_option_override_internal): Add checks for -mupper-regs-di.
1602 (xxspltib_constant_p): Allow CONST_INT's with VOIDmode. Don't
1603 return true if we could use VSPLTISW/VUPKHSW instead of XXSPLTIB.
1604 (rs6000_opt_masks): Add -mupper-regs-di.
1605 * config/rs6000/rs6000.md (lfiwax): Update clobbers that don't use
1606 direct move to use wi and not wj.
1608 (floatsi<mode>2_lfiwax_mem): Combine alternatives into a single
1610 (floatunssi<mode>2_lfiwzx_mem): Likewise.
1611 (fix_trunc<mode>di2_fctidz): Change second alternative to allow
1612 any VSX register, instead of just Altivec registers, to allow
1613 either operand to be an Altivec register or both.
1614 (fixuns_trunc<mode>di2_fctiduz): Likewise.
1615 (movdi_internal32): Add support for -mupper-regs-di. Add support
1616 to load constants via XXSPLTIB or VSPLTISW. Add spacing to allow
1617 the alternatives and attributes to be lined up to be easier to
1619 (movdi_internal64): Likewise.
1620 (64-bit DImode splitters): Change predicates to only split loading
1621 up GPR registers. Add splits for using XXSPLTIB or VSPLTISW to
1622 load constants in ISA 3.0 or ISA 2.07 respectively.
1623 * doc/invoke.texi (RS/6000 and PowerPC Options): Document
1624 -mupper-regs-di. Update -mupper-regs-df and -mupper-regs-sf to
1625 mention -mcpu=power9 sets these options.
1626 * doc/md.texi (PowerPC and IBM RS6000 constraints): Document the
1629 2016-06-15 Pitchumani Sivanupandi <pitchumani.s@atmel.com>
1632 * config/avr/avr.c (avr_set_current_function): Warn misspelled
1633 interrupt/ signal handler if -Wmisspelled-isr flag is enabled.
1634 * config/avr/avr.opt (Wmisspelled-isr): New warning flag. Enabled
1635 by default to warn misspelled interrupt/ signal handler.
1636 * doc/invoke.texi (AVR Options): Document it. Update description
1637 for -nodevicelib option.
1639 2016-06-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1641 * config/aarch64/aarch64-simd.md (aarch64_<sur>shll_n<mode>): Clean
1642 up parentheses. Use GET_MODE_UNIT_BITSIZE.
1643 (aarch64_<sur>shll2_n<mode>): Likewise.
1645 2016-06-15 Ilya Enkovich <ilya.enkovich@intel.com>
1648 * ipa-chkp.c (chkp_build_instrumented_fndecl): Fix
1649 DECL_CONTEXT for copied arguments.
1651 2016-06-15 Alan Hayward <alan.hayward@arm.com>
1653 PR tree-optimization/71483
1654 * tree-vect-loop.c (vectorizable_live_operation): Pick correct index
1657 2016-06-15 Martin Liska <mliska@suse.cz>
1659 * predict.c (tree_predict_by_opcode): Call predict_edge_def
1660 instead of predict_edge w/o a probability.
1662 2016-06-15 Alan Hayward <alan.hayward@arm.com>
1664 PR tree-optimization/71439
1665 * tree-vect-loop.c (vect_analyze_loop_operations): Additional check for
1668 2016-06-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1670 * ifcvt.c (bb_ok_for_noce_multiple_sets): Allow simple lowpart
1671 register subregs in SET_SRC.
1673 2016-06-15 Richard Biener <rguenther@suse.de>
1675 * tree-vect-stmts.c (vectorizable_store): Remove strided grouped
1678 2016-06-15 Richard Biener <rguenther@suse.de>
1680 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence): Do
1681 not consider dependences between accesses that belong to the
1683 (vect_analyze_data_ref_dependences): Do not analyze read-read
1684 or self-dependences.
1686 2016-06-14 David Malcolm <dmalcolm@redhat.com>
1688 * spellcheck-tree.c: Include spellcheck-tree.h rather than
1690 (find_closest_identifier): Reimplement in terms of
1691 best_match<tree,tree>.
1692 * spellcheck-tree.h: New file.
1693 * spellcheck.c (struct edit_distance_traits<const char *>): New
1695 (find_closest_string): Reimplement in terms of
1696 best_match<const char *, const char *>.
1697 * spellcheck.h (levenshtein_distance): Move prototype of tree-based
1698 overload to spellcheck-tree.h.
1699 (find_closest_identifier): Likewise.
1700 (struct edit_distance_traits<T>): New template.
1701 (class best_match): New class.
1703 2016-06-14 David Malcolm <dmalcolm@redhat.com>
1705 * selftest-run-tests.c (selftest::run_tests): Call
1706 selftest::spellcheck_tree_c_tests.
1707 * selftest.h (selftest::spellcheck_tree_c_tests): New decl.
1708 * spellcheck-tree.c: Include selftest.h and stringpool.h.
1709 (selftest::test_find_closest_identifier): New function.
1710 (selftest::spellcheck_tree_c_tests): New function.
1711 * spellcheck.c (selftest::test_find_closest_string): Verify that
1712 the order of the vec does not affect the results for this case.
1713 (selftest::test_data): New array.
1714 (selftest::test_metric_conditions): New function.
1715 (selftest::spellcheck_c_tests): Add a test of case-comparison.
1716 Call selftest::test_metric_conditions.
1718 2016-06-14 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1720 * config/rs6000/rs6000-builtin.def (commentary): Typo.
1721 (BU_P9_MISC_1): Likewise.
1722 (BU_P9_64BIT_MISC_0): Likewise.
1723 (BU_P9_MISC_0): Likewise.
1725 2016-06-14 David Malcolm <dmalcolm@redhat.com>
1727 * gcc-rich-location.c
1728 (gcc_rich_location::add_fixit_misspelled_id): New method.
1729 * gcc-rich-location.h
1730 (gcc_rich_location::add_fixit_misspelled_id): Add decl.
1732 2016-06-14 Andreas Tobler <andreast@gcc.gnu.org>
1734 * config/arm/freebsd.h: Only enable unaligned access for armv6 on
1735 FreeBSD 11 and above.
1737 2016-06-14 Uros Bizjak <ubizjak@gmail.com>
1739 * config/i386/i386.md (signbittf2): Emit sse_movmskps for TARGET_SSE.
1741 2016-06-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1743 * expmed.h: Close parenthesis in "at your option" in copyright
1745 * lower-subreg.h: Likewise.
1747 2016-06-14 Richard Biener <rguenther@suse.de>
1750 * genmatch.c (expr::gen_transform): Use in_type for comparisons
1753 2015-06-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1755 * config/aarch64/aarch64.c (aarch64_mask_and_shift_for_ubfiz_p):
1757 (aarch64_rtx_costs): Use it. Rewrite CONST_INT_P (op1) case to handle
1759 * config/aarch64/aarch64-protos.h (aarch64_mask_and_shift_for_ubfiz_p):
1761 * config/aarch64/aarch64.md (*andim_ashift<mode>_bfiz): Replace
1762 matching condition with aarch64_mask_and_shift_for_ubfiz_p.
1764 2016-06-14 Richard Biener <rguenther@suse.de>
1766 PR tree-optimization/71522
1767 * tree-ssa.c (non_rewritable_lvalue_p): Do not rewrite non-float
1768 copying into float copying.
1770 2016-06-14 Jakub Jelinek <jakub@redhat.com>
1772 PR tree-optimization/71520
1773 * tree-ssa-tail-merge.c (find_duplicate): Handle labels.
1774 (replace_block_by): Move user labels from bb1 to bb2.
1776 2016-06-14 Richard Biener <rguenther@suse.de>
1780 * expr.h (get_bit_range): Declare.
1781 * expr.c (get_bit_range): Export.
1782 * fold-const.c (optimize_bit_field_compare): Use get_bit_range and
1783 word_mode again to constrain the bitfield access.
1785 2016-06-14 Richard Biener <rguenther@suse.de>
1787 PR tree-optimization/71521
1788 * tree-vrp.c (extract_range_from_binary_expr_1): Guard
1789 division int_const_binop against zero divisor.
1791 2016-06-13 Uros Bizjak <ubizjak@gmail.com>
1793 * config/i386/i386.md (signbittf2): New expander.
1794 * config/i386/sse.md (ptesttf2): New insn pattern.
1796 2016-06-13 David Malcolm <dmalcolm@redhat.com>
1799 * input.c (selftest::test_reading_source_line): Avoid reading from
1800 __FILE__ by creating a tempfile with known content and reading
1803 2016-06-13 David Malcolm <dmalcolm@redhat.com>
1805 * pretty-print.c (assert_pp_format_colored): Skip the test if
1807 (test_pp_format): Remove comment about GCC_COLORS.
1809 2016-06-13 David Malcolm <dmalcolm@redhat.com>
1811 * input.c (test_reading_source_line): Use SELFTEST_LOCATION.
1812 * pretty-print.c (assert_pp_format_va): Add location param and use
1813 it with ASSERT_STREQ_AT.
1814 (assert_pp_format): Add location param and pass it to
1815 assert_pp_format_va.
1816 (assert_pp_format_colored): Likewise.
1817 (ASSERT_PP_FORMAT_1): New.
1818 (ASSERT_PP_FORMAT_2): New.
1819 (ASSERT_PP_FORMAT_3): New.
1820 (test_pp_format): Provide SELFTEST_LOCATION throughout, either
1821 explicitly, or implicitly via the above macros.
1822 * selftest.c (selftest::pass): Use a selftest::location rather
1824 (selftest::fail): Likewise. Print the function name.
1825 (selftest::fail_formatted): Likewise.
1826 (selftest::assert_streq): Use a selftest::location rather than
1828 * selftest.h (selftest::location): New struct.
1829 (SELFTEST_LOCATION): New macro.
1830 (selftest::pass): Accept a const location & rather than file
1832 (selftest::fail): Likewise.
1833 (selftest::fail_formatted): Likewise.
1834 (selftest::assert_streq): Likewise.
1835 (ASSERT_TRUE): Update for above changes, using SELFTEST_LOCATION.
1836 (ASSERT_FALSE): Likewise.
1837 (ASSERT_EQ): Likewise.
1838 (ASSERT_NE): Likewise.
1839 (ASSERT_STREQ): Likewise.
1840 (ASSERT_PRED1): Likewise.
1841 (ASSERT_STREQ_AT): New macro.
1843 2016-06-13 David Malcolm <dmalcolm@redhat.com>
1845 * selftest.c (selftest::fail_formatted): New function.
1846 (selftest::assert_streq): New function.
1847 * selftest.h (selftests::fail_formatted): New decl.
1848 (selftest::assert_streq): New decl.
1849 (ASSERT_STREQ): Reimplement in terms of selftest::assert_streq.
1851 2016-06-13 Jeff Law <law@redhat.com>
1853 PR tree-optimization/71403
1854 * tree-ssa-threadbackward.c
1855 (convert_and_register_jump_thread_path): No longer accept reference
1856 to path. Do not pop items off the path anymore.
1857 (fsm_find_control_statement_thread_paths): Do not allow threading
1858 to a deeper loop nest. Pop the last item off the path here rather
1859 than in convert_and_register_jump_thread_path.
1861 2016-06-13 Evandro Menezes <e.menezes@samsung.com>
1862 Wilco Dijkstra <Wilco.Dijkstra@arm.com>
1864 [AArch64] Emit division using the Newton series
1866 * config/aarch64/aarch64-protos.h
1867 (cpu_approx_modes): Add new member "division".
1868 (aarch64_emit_approx_div): Declare new function.
1869 * config/aarch64/aarch64.c
1870 (generic_approx_modes): New member "division".
1871 (exynosm1_approx_modes): Likewise.
1872 (xgene1_approx_modes): Likewise.
1873 (aarch64_emit_approx_div): Define new function.
1874 * config/aarch64/aarch64.md ("div<mode>3"): New expansion.
1875 * config/aarch64/aarch64-simd.md ("div<mode>3"): Likewise.
1876 * config/aarch64/aarch64.opt (-mlow-precision-div): Add new option.
1877 * doc/invoke.texi (-mlow-precision-div): Describe new option.
1879 2016-06-13 Evandro Menezes <e.menezes@samsung.com>
1880 Wilco Dijkstra <wilco.dijkstra@arm.com>
1882 [AArch64] Emit square root using the Newton series
1884 * config/aarch64/aarch64-protos.h
1885 (aarch64_emit_approx_rsqrt): Replace with new function
1886 "aarch64_emit_approx_sqrt".
1887 (cpu_approx_modes): New member "sqrt".
1888 * config/aarch64/aarch64.c
1889 (generic_approx_modes): New member "sqrt".
1890 (exynosm1_approx_modes): Likewise.
1891 (xgene1_approx_modes): Likewise.
1892 (aarch64_emit_approx_rsqrt): Replace with new function
1893 "aarch64_emit_approx_sqrt".
1894 (aarch64_override_options_after_change_1): Handle new option.
1895 * config/aarch64/aarch64-simd.md
1896 (rsqrt<mode>2): Use new function instead.
1897 (sqrt<mode>2): New expansion and insn definitions.
1898 * config/aarch64/aarch64.md: Likewise.
1899 * config/aarch64/aarch64.opt
1900 (mlow-precision-sqrt): Add new option description.
1901 * doc/invoke.texi (mlow-precision-sqrt): Likewise.
1903 2016-06-13 Evandro Menezes <e.menezes@samsung.com>
1905 [AArch64] Add more choices for the reciprocal square root approximation
1907 Allow a target to prefer such operation depending on the operation mode.
1909 * config/aarch64/aarch64-protos.h
1910 (AARCH64_APPROX_MODE): New macro.
1911 (AARCH64_APPROX_{NONE,ALL}): Likewise.
1912 (cpu_approx_modes): New structure.
1913 (tune_params): New member "approx_modes".
1914 * config/aarch64/aarch64-tuning-flags.def
1915 (AARCH64_EXTRA_TUNE_APPROX_RSQRT): Remove macro.
1916 * config/aarch64/aarch64.c
1917 (generic_approx_modes): New core "cpu_approx_modes" structure.
1918 (exynosm1_approx_modes): Likewise.
1919 (xgene1_approx_modes): Likewise.
1920 (generic_tunings): New member "approx_modes".
1921 (cortexa35_tunings): Likewise.
1922 (cortexa53_tunings): Likewise.
1923 (cortexa57_tunings): Likewise.
1924 (cortexa72_tunings): Likewise.
1925 (exynosm1_tunings): Likewise.
1926 (thunderx_tunings): Likewise.
1927 (xgene1_tunings): Likewise.
1928 (use_rsqrt_p): New argument for the mode and use new member from
1930 (aarch64_builtin_reciprocal): Devise mode from builtin.
1931 (aarch64_optab_supported_p): New argument for the mode.
1932 * doc/invoke.texi (-mlow-precision-recip-sqrt): Reword description.
1934 2016-06-13 Kelvin Nilsen <kelvin@gcc.gnu.org>
1936 * config/rs6000/rs6000.h (RS6000_BTM_COMMON): Add the
1937 RS6000_BTM_MODULO flag into the set of flags that are considered
1938 to be part of the common configuration.
1940 2016-06-13 Kelvin Nilsen <kelvin@gcc.gnu.org>
1942 * config/rs6000/altivec.h (vec_absd): New macro for vector absolute
1943 difference unsigned.
1944 (vec_absdb): New macro for vector absolute difference unsigned
1946 (vec_absdh): New macro for vector absolute difference unsigned
1948 (vec_absdw): New macro for vector absolute difference unsigned word.
1949 * config/rs6000/altivec.md (UNSPEC_VADU): New value.
1950 (vadu<mode>3): New insn.
1951 (*p9_vadu<mode>3): New insn.
1952 * config/rs6000/rs6000-builtin.def (vadub): New built-in
1954 (vaduh): New built-in definition.
1955 (vaduw): New built-in definition.
1956 (vadu): New overloaded built-in definition.
1957 (vadub): New overloaded built-in definition.
1958 (vaduh): New overloaded built-in definition.
1959 (vaduw): New overloaded built-in definition.
1960 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
1961 overloaded vector absolute difference unsigned functions.
1962 * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
1963 the ISA 3.0 vector absolute difference unsigned built-in functions.
1965 2016-06-13 Eric Botcazou <ebotcazou@adacore.com>
1967 * tree-ssa-sccvn.c (vn_reference_lookup_3): Use a uniform test and
1968 update shared_lookup_references only once after changing operands.
1970 2016-06-13 Thomas Schwinge <thomas@codesourcery.com>
1973 * tree-nested.c (convert_nonlocal_omp_clauses)
1974 (convert_local_omp_clauses): Document missing OMP_CLAUSE_*.
1976 * tree-cfg.c (edge_to_cases_cleanup): Fix CASE_CHAIN typo.
1977 * tree.def (CASE_LABEL_EXPR): Likewise.
1979 2016-06-13 Bernd Edlinger <bernd.edlinger@hotmail.de>
1982 * input.c (test_builtins): Fix an assertion.
1984 2016-06-13 Uros Bizjak <ubizjak@gmail.com>
1986 * config/i386/i386.md (paritydi2): Use ix86_expand_setcc.
1989 (isinf<mode>2): Ditto.
1991 2016-06-13 Uros Bizjak <ubizjak@gmail.com>
1993 * ggc-tests.c (test_finalization): Only test need_finalization_p
1994 for GCC_VERSION >= 4003.
1996 2016-06-13 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1998 * config/s390/vecintrin.h: Fix file description in comment.
2000 2016-06-13 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2002 * config/s390/s390-builtin-types.def: Change builtin type naming
2003 scheme to match builtin-types.def.
2005 2016-06-13 Marc Glisse <marc.glisse@inria.fr>
2007 * fold-const.c (optimize_minmax_comparison): Remove.
2008 (fold_comparison): Remove call to the above.
2009 * match.pd (MIN (X, Y) == X, MIN (X, 5) == 0, MIN (X, C1) < C2):
2010 New transformations.
2012 2016-06-13 Alan Hayward <alan.hayward@arm.com>
2014 PR tree-optimization/71416
2015 * tree-vect-loop.c (vectorizable_live_operation): Let worklist have
2018 2016-06-13 Martin Liska <mliska@suse.cz>
2020 * predict.c (enum predictor_reason): Prefix enum with REASON_.
2021 (combine_predictions_for_insn): Likewise.
2022 (prune_predictions_for_bb): Likewise.
2023 (combine_predictions_for_bb): Likewise.
2025 2016-06-13 Richard Biener <rguenther@suse.de>
2027 PR tree-optimization/71505
2028 * tree-vect-data-refs.c (vect_analyze_data_ref_accesses): Make
2029 assert match comment.
2031 2016-06-13 Marek Polacek <polacek@redhat.com>
2034 * gimplify.c (maybe_warn_switch_unreachable): Factored out of
2035 gimplify_switch_expr.
2036 (warn_switch_unreachable_r): New function.
2038 2016-06-13 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2041 * config/s390/s390.c (s390_expand_builtin): Increase MAX_ARGS by
2044 2016-06-13 Richard Biener <rguenther@suse.de>
2047 * fold-const.c (fold_unary_loc): Preserve alignment when
2048 folding a VIEW_CONVERT_EXPR into a MEM_REF.
2050 2016-06-13 Martin Liska <mliska@suse.cz>
2053 * toplev.c (process_options): Do not enable -fcheck-pointer-bounds
2054 w/ -fsanitize=bounds.
2056 2016-06-12 Uros Bizjak <ubizjak@gmail.com>
2058 * config/i386/i386.c (ix86_init_builtins): Calculate
2059 FLOAT128_FTYPE_CONST_STRING function type only once.
2060 * doc/extend.texi (x86 Built-in Functions): Update text, __float128
2061 built-in functions are available for x86-32 and x86-64 targets.
2063 2016-06-12 Uros Bizjak <ubizjak@gmail.com>
2066 * config/i386/i386.i386-builtin-types.def (CONST_STRING):
2068 (FLOAT128_FTYPE_CONST_STRING): New function type.
2069 * config/i386/i386.c (enum ix86_builtins) [IX86_BUILTIN_NANQ]: New.
2070 [IX86_BUILTIN_NANSQ]: Ditto.
2071 (ix86_fold_builtin): Handle IX86_BUILTIN_NANQ and IX86_BUILTIN_NANSQ.
2072 (ix86_init_builtin_types): Declare const_string_type_node.
2073 (ix86_init_builtins): Add __builtin_nanq and __builtin_nansq
2075 (ix86_expand_builtin): Handle IX86_BUILTIN_NANQ and IX86_BUILTIN_NANSQ.
2076 * doc/extend.texi (x86 Built-in Functions): Document
2077 __builtin_nanq and __builtin_nansq.
2079 2016-06-11 Jiong Wang <jiong.wang@arm.com>
2082 * config/arm/arm-protos.h (arm_attr_length_pop_multi): New declaration.
2083 * config/arm/arm.c (arm_attr_length_pop_multi): New function to return
2084 length for pop patterns.
2085 (arm_attr_length_push_multi): Update comments.
2086 * config/arm/arm.md (*load_multiple_with_writeback): Set "length"
2088 (*pop_multiple_with_writeback_and_return): Likewise.
2089 (*pop_multiple_with_return): Likewise.
2091 2016-06-11 Segher Boessenkool <segher@kernel.crashing.org>
2094 * fold-const.c (optimize_bit_field_compare): Don't try to use
2095 word_mode unconditionally for reading the bit field, look at
2096 DECL_BIT_FIELD_REPRESENTATIVE instead.
2098 2016-06-11 Kugan Vivekanandarajah <kuganv@linaro.org>
2101 * tree-ssa-reassoc.c (reassociate_bb): Remove (-1) from ops list for
2102 vector integer type.
2104 2016-06-10 Jakub Jelinek <jakub@redhat.com>
2107 * tree-nested.c (convert_nonlocal_reference_stmt): For GIMPLE_GOTO
2108 without LABEL_DECL, set *handled_ops_p to false instead of true.
2110 2016-06-10 Martin Sebor <msebor@redhat.com>
2113 * builtin-attrs.def (ATTR_NOTHROW_NONNULL_LEAF_LIST): New macro.
2114 (ATTR_NOTHROW_NONNULL_TYPEGENERIC_LEAF): Same.
2115 * builtins.def (BUILT_IN_SADD_OVERFLOW, BUILT_IN_SADDL_OVERFLOW): Use
2117 (BUILT_IN_SADDLL_OVERFLOW, BUILT_IN_SSUB_OVERFLOW): Same.
2118 (BUILT_IN_SSUBL_OVERFLOW, BUILT_IN_SSUBLL_OVERFLOW): Same.
2119 (BUILT_IN_SMUL_OVERFLOW, BUILT_IN_SMULL_OVERFLOW): Same.
2120 (BUILT_IN_SMULLL_OVERFLOW, BUILT_IN_UADD_OVERFLOW): Same.
2121 (BUILT_IN_UADDL_OVERFLOW, BUILT_IN_UADDLL_OVERFLOW): Same.
2122 (BUILT_IN_USUB_OVERFLOW, BUILT_IN_USUBL_OVERFLOW): Same.
2123 (BUILT_IN_USUBLL_OVERFLOW, BUILT_IN_UMUL_OVERFLOW): Same.
2124 (BUILT_IN_UMULL_OVERFLOW, BUILT_IN_UMULLL_OVERFLOW): Same.
2126 2016-06-10 Bernd Edlinger <bernd.edlinger@hotmail.de>
2128 * config/arm/arm.h (pool_vector_label,
2129 return_used_this_function): Remove.
2131 2016-06-10 Jeff Law <law@redhat.com>
2133 PR tree-optimization/71335
2134 * tree-ssa-threadbackward.c (profitable_jump_thread_path): Filter out
2135 zero length paths here.
2136 (convert_and_register_jump_thread_path): Remove hacks related to
2137 duplicated blocks in the jump thread path.
2138 (fsm_find_control_statement_thread_paths): Avoid putting the same
2139 block on the thread path twice, but ensure the thread path is
2140 unchanged from the caller's point of view.
2142 2016-06-10 Jan Hubicka <hubicka@ucw.cz>
2144 * predict.c (predict_loops): Remove PRED_LOOP_BRANCH.
2145 * predict.def (PRED_LOOP_BRANCH): Remove.
2147 2016-06-10 David Malcolm <dmalcolm@redhat.com>
2149 * Makefile.in (OBJS): Add ggc-tests.o.
2150 (GTFILES): Add ggc-tests.c.
2151 * ggc-tests.c: New file.
2152 * selftest-run-tests.c (selftest::run_tests): Call
2153 selftest::ggc_tests_c_tests.
2154 * selftest.h (selftest::ggc_tests_c_tests): New prototype.
2156 2016-06-10 Alexander Monakov <amonakov@ispras.ru>
2158 * match.pd (-1 / B < A): Use :c to avoid pattern duplication.
2160 2016-06-10 Maxim Ostapenko <m.ostapenko@samsung.com>
2163 * varasm.c (place_block_symbol): Adjust alignment for asan protected
2164 STRING_CSTs even if TREE_CONSTANT_POOL_ADDRESS_P.
2166 2016-06-10 Jan Hubicka <hubicka@ucw.cz>
2168 * profile.c: Include cfgloop.h.
2169 (branch_prob): Compute estimated number of iterations.
2170 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop): Do not
2171 recompute estimate number of iterations from profile.
2173 2016-06-10 Bernd Edlinger <bernd.edlinger@hotmail.de>
2176 * reg-stack.c (check_asm_stack_operands): Explicit input arguments
2177 must be grouped on top of stack. Don't force early clobber
2178 on ordinary reg outputs.
2180 2016-06-10 Richard Biener <rguenther@suse.de>
2182 * targhooks.c (default_builtin_vectorization_cost): Adjust
2185 2016-06-10 Richard Biener <rguenther@suse.de>
2187 * gimple-fold.c (gimple_fold_builtin_memory_op): Make sure
2188 to fold the RHS to a constant if possible.
2190 2016-06-10 Thomas Schwinge <thomas@codesourcery.com>
2193 * tree-nested.c (convert_nonlocal_omp_clauses)
2194 (convert_local_omp_clauses): Handle OMP_CLAUSE_ASYNC,
2195 OMP_CLAUSE_WAIT, OMP_CLAUSE_INDEPENDENT, OMP_CLAUSE_AUTO,
2196 OMP_CLAUSE__CACHE_, OMP_CLAUSE_TILE.
2198 * gimplify.c (gimplify_adjust_omp_clauses): Discard
2200 * omp-low.c (scan_sharing_clauses): Don't expect OMP_CLAUSE_TILE.
2202 * omp-low.c (scan_sharing_clauses): Don't expect
2205 2016-06-10 Alan Hayward <alan.hayward@arm.com>
2207 PR tree-optimization/71407
2208 PR tree-optimization/71416
2209 * tree-vect-loop.c (vectorizable_live_operation): Use vectype for
2212 2016-06-10 Richard Biener <rguenther@suse.de>
2215 * cfgloop.c (alloc_loop): Initialize nb_iterations_likely_upper_bound.
2217 2016-06-09 Eric Botcazou <ebotcazou@adacore.com>
2219 * df-problems.c (df_note_bb_compute): Guard use of DF_INSN_INFO_GET.
2221 2016-06-09 Vladimir Makarov <vmakarov@redhat.com>
2222 Jiong Wang <jiong.wang@arm.com>
2224 PR rtl-optimization/70751
2225 * lra-constraints.c (process_alt_operands): Recognize Non-pseudo
2226 spilled into memory.
2228 2016-06-09 Jonathan Yong <10walls@gmail.com>
2231 2015-09-21 Jonathan Yong <10walls@gmail.com>
2233 * config/i386/cygwin.h (STARTFILE_SPEC): Explicitly search
2234 sysroot/usr/lib/32api for additional win32 libraries,
2235 fixes failing Cygwin bootstrapping.
2237 2016-06-09 Marcin Baczyński <marbacz@gmail.com>
2239 * diagnostic.h (diagnostic_line_cutoff, diagnostic_flush_buffer):
2242 2016-06-09 David Malcolm <dmalcolm@redhat.com>
2245 * pretty-print.c (pp_indent): Specify that %p is printed in a
2246 host-dependent manner.
2247 (test_pp_format): Remove the test for %p.
2249 2016-06-09 Maciej W. Rozycki <macro@imgtec.com>
2251 * config/mips/mips.c (mips_output_jump): Fix formatting.
2253 2016-06-09 Richard Biener <rguenther@suse.de>
2255 PR tree-optimization/71462
2256 * tree-ssa-loop-manip.c (find_uses_to_rename): Guard against
2259 2016-06-09 Martin Liska <mliska@suse.cz>
2261 * predict.c (dump_prediction): Add new argument.
2262 (enum predictor_reason): New enum.
2263 (struct predictor_hash): New struct.
2264 (predictor_hash::hash): New function.
2265 (predictor_hash::equal): Likewise.
2266 (not_removed_prediction_p): New function.
2267 (prune_predictions_for_bb): Likewise.
2268 (combine_predictions_for_bb): Prune predictions.
2270 2016-06-09 Martin Liska <mliska@suse.cz>
2272 * predict.c (filter_predictions): New function.
2273 (remove_predictions_associated_with_edge): Use the filter
2275 (equal_edge_p): New function.
2277 2016-06-09 Stefan Bruens <stefan.bruens@rwth-aachen.de>
2279 * doc/invoke.texi (ARM Options): Use lexicographical ordering.
2280 Correct usage of @samp vs @option, add @samp where appropriate.
2281 Add -march={armv6k,armv6z,arm6zk}, remove -march=ep9312.
2282 Add armv6s-m and document it, as it is no official ARM name.
2284 2016-06-09 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2286 * ifcvt.c (struct noce_if_info): Add transform_name field.
2287 (noce_try_move): Set if_info->transform_name to the function name.
2288 (noce_try_ifelse_collapse): Likewise.
2289 (noce_try_store_flag): Likewise.
2290 (noce_try_inverse_constants): Likewise.
2291 (noce_try_store_flag_constants): Likewise.
2292 (noce_try_addcc): Likewise.
2293 (noce_try_store_flag_mask): Likewise.
2294 (noce_try_cmove): Likewise.
2295 (noce_try_cmove_arith): Likewise.
2296 (noce_try_minmax): Likewise.
2297 (noce_try_abs): Likewise.
2298 (noce_try_sign_mask): Likewise.
2299 (noce_try_bitop): Likewise.
2300 (noce_convert_multiple_sets): Likewise.
2301 (noce_process_if_block): Print if_info->transform_name to
2302 dump_file if transformation succeeded.
2304 2016-06-09 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2306 * config/arm/cortex-a57.md (cortex_a57_alu):
2309 2016-06-08 Martin Sebor <msebor@redhat.com>
2310 Jakub Jelinek <jakub@redhat.com>
2314 * builtins.def (BUILT_IN_ADD_OVERFLOW_P, BUILT_IN_SUB_OVERFLOW_P,
2315 BUILT_IN_MUL_OVERFLOW_P): New builtins.
2316 * builtins.c: Include gimple-fold.h.
2317 (fold_builtin_arith_overflow): Handle
2318 BUILT_IN_{ADD,SUB,MUL}_OVERFLOW_P.
2319 (fold_builtin_3): Likewise.
2320 * doc/extend.texi (Integer Overflow Builtins): Document
2321 __builtin_{add,sub,mul}_overflow_p.
2323 2016-06-08 Jose E. Marchesi <jose.marchesi@oracle.com>
2325 * config/sparc/driver-sparc.c (cpu_names): Fix the entry for the
2326 SPARC-M7 and add an entry for SPARC-S7 cpus (Sonoma).
2328 2016-06-08 Alan Lawrence <alan.lawrence@arm.com>
2330 * config/aarch64/aarch64.c (aarch64_function_arg_alignment):
2331 Rewrite, looking one level down for records and arrays.
2333 2016-06-08 David Malcolm <dmalcolm@redhat.com>
2335 * pretty-print.c: Include "selftest.h".
2336 (pp_format): Fix comment.
2337 (identifier_to_locale): Likewise.
2338 (selftest::test_basic_printing): New function.
2339 (selftest::assert_pp_format): New function.
2340 (selftest::test_pp_format): New function.
2341 (selftest::pretty_print_c_tests): New function.
2342 * selftest-run-tests.c (selftest::run_tests): Call
2343 selftest::pretty_print_c_tests.
2344 * selftest.h (pretty_print_c_tests): New declaration.
2346 2016-06-07 Jan Hubicka <hubicka@ucw.cz>
2348 * invoke.texi (max-loop-headers-insns): Document.
2349 * params.def (PARAM_MAX_LOOP_HEADER_INSNS): New.
2350 * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Update comment.
2351 (ch_base::copy_headers): Use PARAM_MAX_LOOP_HEADER_INSNS.
2353 2016-06-08 Richard Biener <rguenther@suse.de>
2355 * tree-vect-stmts.c (vectorizable_load): Remove restrictions
2356 on strided SLP loads and fall back to scalar loads in case
2357 we can't chunk them.
2359 2016-06-08 Richard Biener <rguenther@suse.de>
2361 PR tree-optimization/71452
2362 * tree-ssa.c (non_rewritable_lvalue_p): Make sure that the
2363 type used for the SSA rewrite has enough precision to cover
2364 the dynamic type of the location.
2366 2016-06-08 Jakub Jelinek <jakub@redhat.com>
2367 Richard Biener <rguenther@suse.de>
2370 * fold-const.c (fold_comparison): Handle CONSTANT_CLASS_P (base0)
2371 the same as DECL_P (base0) for indirect_base0. Use equality_code
2372 in one further place.
2374 2016-06-08 Richard Sandiford <richard.sandiford@arm.com>
2376 * expmed.c (store_bit_field_1): Do not restrict a multiword op0
2377 to one word if the field is known to overlap other words.
2378 (extract_bit_field_1): Likewise.
2379 (store_split_bit_field): Remove compensating code.
2380 (extract_split_bit_field): Likewise.
2382 2016-06-08 Bernd Schmidt <bschmidt@redhat.com>
2386 * tree-ssa-strlen.c (handle_builtin_memcmp): Ignore debug insns.
2388 2016-06-08 Jiong Wang <jiong.wang@arm.com>
2390 * config/aarch64/aarch64-builtins.def (faddp): New builtins for modes in
2392 * config/aarch64/aarch64-simd.md (aarch64_faddp<mode>): New.
2393 (arch64_addpv4sf): Delete.
2394 (reduc_plus_scal_v4sf): Use "gen_aarch64_faddpv4sf" instead of
2395 "gen_aarch64_addpv4sf".
2396 * config/aarch64/arm_neon.h (vpadd_f32): Remove inline assembly. Use
2398 (vpadds_f32): Likewise.
2399 (vpaddq_f32): Likewise.
2400 (vpaddq_f64): Likewise.
2402 2016-06-08 Jiong Wang <jiong.wang@arm.com>
2404 * config/aarch64/aarch64-builtins.def (fabd): New builtins for modes
2406 * config/aarch64/aarch64-simd.md (fabd<mode>_3): Extend modes from VDQF
2407 to VALLF. Rename to "fabd<mode>3".
2408 "*fabd_scalar<mode>3): Delete.
2409 * config/aarch64/arm_neon.h (vabds_f32): Remove inline assembly.
2411 (vabdd_f64): Likewise.
2412 (vabd_f32): Likewise.
2413 (vabd_f64): Likewise.
2414 (vabdq_f32): Likewise.
2415 (vabdq_f64): Likewise.
2417 2016-06-08 Jiong Wang <jiong.wang@arm.com>
2419 * config/aarch64/aarch64-builtins.def (rsqrts): New builtins for modes
2421 * config/aarch64/aarch64-simd.md (aarch64_rsqrts_<mode>3): Rename to
2422 "aarch64_rsqrts<mode>".
2423 * config/aarch64/aarch64.c (get_rsqrts_type): Update gen* name.
2424 * config/aarch64/arm_neon.h (vrsqrtss_f32): Remove inline assembly. Use
2426 (vrsqrtsd_f64): Likewise.
2427 (vrsqrts_f32): Likewise.
2428 (vrsqrts_f64): Likewise.
2429 (vrsqrtsq_f32): Likewise.
2430 (vrsqrtsq_f64): Likewise.
2432 2016-06-08 Jiong Wang <jiong.wang@arm.com>
2434 * config/aarch64/aarch64-builtins.def (rsqrte): New builtins for modes
2436 * config/aarch64/aarch64-simd.md (aarch64_rsqrte_<mode>2): Rename to
2437 "aarch64_rsqrte<mode>".
2438 * config/aarch64/aarch64.c (get_rsqrte_type): Update gen* name.
2439 * config/aarch64/arm_neon.h (vrsqrts_f32): Remove inline assembly. Use
2441 (vrsqrted_f64): Likewise.
2442 (vrsqrte_f32): Likewise.
2443 (vrsqrte_f64): Likewise.
2444 (vrsqrteq_f32): Likewise.
2445 (vrsqrteq_f64): Likewise.
2447 2016-06-08 Jiong Wang <jiong.wang@arm.com>
2449 * config/aarch64/aarch64-builtins.def (scvtf): Register vector modes.
2453 * config/aarch64/aarch64-simd.md
2454 (<FCVT_F2FIXED:fcvt_fixed_insn><VDQF:mode>3): New.
2455 (<FCVT_FIXED2F:fcvt_fixed_insn><VDQ_SDI:mode>3): Likewise.
2456 * config/aarch64/arm_neon.h (vcvt_n_f32_s32): Remove inline assembly.
2458 (vcvt_n_f32_u32): Likewise.
2459 (vcvt_n_s32_f32): Likewise.
2460 (vcvt_n_u32_f32): Likewise.
2461 (vcvtq_n_f32_s32): Likewise.
2462 (vcvtq_n_f32_u32): Likewise.
2463 (vcvtq_n_f64_s64): Likewise.
2464 (vcvtq_n_f64_u64): Likewise.
2465 (vcvtq_n_s32_f32): Likewise.
2466 (vcvtq_n_s64_f64): Likewise.
2467 (vcvtq_n_u32_f32): Likewise.
2468 (vcvtq_n_u64_f64): Likewise.
2469 * config/aarch64/iterators.md (VDQ_SDI): New mode iterator.
2470 (VSDQ_SDI): Likewise.
2471 (fcvt_target): Support V4DI, V4SI and V2SI.
2472 (FCVT_TARGET): Likewise.
2474 2016-06-08 Jiong Wang <jiong.wang@arm.com>
2476 * config/aarch64/aarch64-builtins.c (TYPES_BINOP_USS): New
2477 (TYPES_BINOP_SUS): Likewise.
2478 (aarch64_simd_builtin_data): Update include file name.
2479 (aarch64_builtins): Likewise.
2480 * config/aarch64/aarch64-simd-builtins.def (scvtf): New entries
2481 for conversion between scalar float-point and fixed-point.
2485 * config/aarch64/aarch64.md
2486 (<FCVT_F2FIXED:fcvt_fixed_insn><GPF:mode>3: New
2487 pattern for conversion between scalar float to fixed-pointer.
2488 (<FCVT_FIXED2F:fcvt_fixed_insn><GPI:mode>: Likewise.
2489 (UNSPEC_FCVTZS): New UNSPEC enumeration.
2490 (UNSPEC_FCVTZU): Likewise.
2491 (UNSPEC_SCVTF): Likewise.
2492 (UNSPEC_UCVTF): Likewise.
2493 * config/aarch64/arm_neon.h (vcvtd_n_f64_s64): Remove inline assembly.
2495 (vcvtd_n_f64_u64): Likewise.
2496 (vcvtd_n_s64_f64): Likewise.
2497 (vcvtd_n_u64_f64): Likewise.
2498 (vcvtd_n_f32_s32): Likewise.
2499 (vcvts_n_f32_u32): Likewise.
2500 (vcvtd_n_s32_f32): Likewise.
2501 (vcvts_n_u32_f32): Likewise.
2502 * config/aarch64/iterators.md (fcvt_target): Support integer to float
2504 (FCVT_TARGET): Likewise.
2505 (FCVT_FIXED2F): New iterator.
2506 (FCVT_F2FIXED): Likewise.
2507 (fcvt_fixed_insn): New define_int_attr.
2509 2016-06-07 Jan Hubicka <hubicka@ucw.cz>
2511 * predict.c (pass_strip_predict_hints::execute): Cleanup CFG if
2512 some statements was removed.
2514 2016-06-08 Alan Hayward <alan.hayward@arm.com>
2516 * tree-vect-data-refs.c (vect_analyze_data_refs): Remove debug newline.
2517 * tree-vect-loop-manip.c (slpeel_make_loop_iterate_ntimes): likewise.
2518 (vect_can_advance_ivs_p): likewise.
2519 (vect_update_ivs_after_vectorizer): likewise.
2520 * tree-vect-loop.c (vect_determine_vectorization_factor): likewise.
2521 (vect_analyze_scalar_cycles_1): likewise.
2522 (vect_analyze_loop_operations): likewise.
2523 (report_vect_op): likewise.
2524 (vect_is_slp_reduction): likewise.
2525 (vect_is_simple_reduction): likewise.
2526 (get_initial_def_for_induction): likewise.
2527 (vect_transform_loop): likewise.
2528 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): likewise.
2529 (vect_recog_sad_pattern): likewise.
2530 (vect_recog_widen_sum_pattern): likewise.
2531 (vect_recog_widening_pattern): likewise.
2532 (vect_recog_divmod_pattern): likewise.
2533 * tree-vect-slp.c (vect-build-slp_tree_1): likewise.
2534 (vect_analyze_slp_instance): likewise.
2535 (vect_transform_slp_perm_load): likewise.
2536 (vect_schedule_slp_instance): likewise.
2538 2016-06-07 Jan Hubicka <hubicka@ucw.cz>
2540 * predict.c (predict_iv_comparison): Mention that heuristics is broken.
2541 (return_prediction): PRED_CONST_RETURN predict return as not taken.
2542 * predict.def (PRED_CONTINUE): Change hitrate 50->67
2543 (PRED_LOOP_BRANCH): Document predictor as broken.
2544 (PRED_LOOP_EXIT): Change hitrate 91->92.
2545 (PRED_LOOP_EXTRA_EXIT): Change hitrate 91->83.
2546 (PRED_POINTER, PRED_TREE_POINTER): Change hitrate 85->70.
2547 (PRED_OPCODE_POSITIVE): Change hitrate 79->64.
2548 (PRED_OPCODE_NONEQUAL): Change hitrate 91->66.
2549 (PRED_TREE_OPCODE_POSITIVE): Change hitrate 73->64
2550 (PRED_TREE_OPCODE_NONEQUAL): Chnage hitrate 72->66
2551 (PRED_CALL): Chane hitrate 71->67.
2552 (PRED_TREE_EARLY_RETURN): Document issues, change hitrate 61->54.
2553 (PRED_GOTO): Document as unused right now.
2554 (PRED_CONST_RETURN): Change hitrate 67->69
2555 (PRED_NEGATIVE_RETURN): Change hitrate 96->98
2556 (PRED_NULL_RETURN): Change hitrate 91->90.
2557 (PRED_LOOP_IV_COMPARE_GUESS): Change hitrate to 98.
2558 (PRED_FORTRAN_FAIL_ALLOC): Change hitrate to 62; document issues.
2559 (PRED_FORTRAN_SIZE_ZERO): Change hitrate to 99.
2561 2016-06-07 Bill Seurer <seurer@linux.vnet.ibm.com>
2563 * config/rs6000/altivec.h: Add __builtin_vec_mul.
2564 * config/rs6000/rs6000-builtin.def (vec_mul): Change vec_mul to a
2565 special case Altivec builtin.
2566 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Remove
2567 VSX_BUILTIN_VEC_MUL (replaced with special case code).
2568 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
2569 code for ALTIVEC_BUILTIN_VEC_MUL.
2570 * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
2571 for __builtin_vec_mul.
2573 2016-06-07 Peter Bergner <bergner@vnet.ibm.com>
2575 * doc/invoke.texi (RS/6000 and PowerPC Options): Document -mhtm and
2578 2016-06-07 David Malcolm <dmalcolm@redhat.com>
2580 * spellcheck.c (selftest::test_find_closest_string): New function.
2581 (spellcheck_c_tests): Call the above.
2583 2016-06-07 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2585 * simplify-rtx.c (simplify_cond_clz_ctz): Delete 'mode' local variable.
2587 2016-06-07 Jakub Jelinek <jakub@redhat.com>
2589 * config/i386/sse.md (avx_vec_concat<mode>): Add v=v,vm and
2590 Yv=Yv,C alternatives.
2592 2016-06-07 Richard Biener <rguenther@suse.de>
2595 * common.opt (ffast-math): Make Optimization.
2597 2016-06-07 Simon Dardis <simon.dardis@imgtec.com>
2598 Prachi Godbole <prachi.godbole@imgtec.com>
2600 * config/mips/p5600.md (p5600_fpu_fadd): Remove checking for
2601 `fabs' and `fneg' type attributes.
2602 (p5600_fpu_fabs): Add `fmove' to the comment.
2604 2016-06-07 Jan Hubicka <hubicka@ucw.cz>
2606 * gimple.c: Include builtins.h
2607 (gimple_inexpensive_call_p): New function.
2608 * gimple.h (gimple_inexpensive_call_p): Declare.
2609 * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Use it.
2610 * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Likewise;
2613 2016-06-07 Paolo Carlini <paolo.carlini@oracle.com>
2615 * diagnostic.c (diagnostic_impl, diagnostic_n_impl): New.
2616 (inform, inform_at_rich_loc, inform_n, warning, warning_at,
2617 warning_at_rich_loc, warning_n, pedwarn, permerror,
2618 permerror_at_rich_loc, error, error_n, error_at, error_at_rich_loc,
2619 sorry, fatal_error, internal_error, internal_error_no_backtrace):
2622 2016-06-07 Richard Biener <rguenther@suse.de>
2624 PR tree-optimization/71428
2625 * tree-ssa-math-opts.c (perform_symbolic_merge): Properly distinguish
2626 BIT_FIELD_REF op vs. load.
2628 2016-06-07 Richard Biener <rguenther@suse.de>
2631 * match.pd ((X | ~Y) -> Y <= X): Properly invert the comparison
2634 2016-06-06 John David Anglin <danglin@gcc.gnu.org>
2636 * config/pa/pa.md (call): Generate indirect long calls to non-local
2637 functions on TARGET_64BIT.
2638 (call_value): Likewise.
2640 2016-06-06 John David Anglin <danglin@gcc.gnu.org>
2642 * config/pa/pa.md (call_val_reg_64bit): Remove "reg: DI " clobber from
2643 pattern and subsequent splitters.
2644 (call_val_reg_64bit_post_reload): Likewise.
2646 2016-06-07 Kugan Vivekanandarajah <kuganv@linaro.org>
2649 * tree-ssa-reassoc.c (zero_one_operation): Fix NEGATE_EXPR operand for
2650 propagate_op_to_single_use.
2652 2016-06-07 Kugan Vivekanandarajah <kuganv@linaro.org>
2655 * tree-ssa-reassoc.c (reassociate_bb): Set uid for negate stmt.
2657 2016-06-07 Uros Bizjak <ubizjak@gmail.com>
2659 * config/i386/i386.h (enum ix86_enitity): Add X86_DIRFLAG.
2660 (enum x86_dirflag_state): New enum.
2661 (NUM_MODES_FOR_MODE_SWITCHING): Add X86_DIRFLAG_ANY.
2662 (machine_function): Remove needs_cld.
2663 (ix86_current_function_needs_cld): Remove.
2664 * config/i386/i386.c (ix86_set_func_type): Set
2665 ix86_optimize_mode_switching[X86_DIRFLAG] to 1.
2666 (ix86_expand_prologue): Do not emit CLD here.
2667 (ix86_dirflag_mode_needed): New function.
2668 (ix86_dirflag_mode_entry): Ditto.
2669 (ix86_mode_needed): Handle X86_DIRFLAG entity.
2670 (ix86_mode_after): Ditto.
2671 (ix86_mode_entry): Ditto.
2672 (ix86_mode_exit): Ditto.
2673 (ix86_emit_mode_set): Ditto.
2674 * config/i386/i386.md (strmov_singleop): Set
2675 ix86_optimize_mode_switching[X86_DIRFLAG] to 1 for TARGET_CLD.
2676 Do not set ix86_current_function_needs_cld.
2678 (strset_singleop): Ditto.
2680 (cmpstrnqi_nz_1): Ditto.
2681 (cmpstrnqi_1): Ditto.
2682 (strlenqi_1): Ditto.
2684 2016-06-06 Jakub Jelinek <jakub@redhat.com>
2686 PR tree-optimization/71259
2687 * tree-vect-slp.c (vect_get_constant_vectors): For
2688 VECTOR_BOOLEAN_TYPE_P, return all ones constant instead of
2689 one for constant op, and use COND_EXPR for non-constant.
2691 2016-06-06 David Malcolm <dmalcolm@redhat.com>
2693 * Makefile.in (OBJS): Add function-tests.o,
2694 hash-map-tests.o, hash-set-tests.o, rtl-tests.o,
2695 selftest-run-tests.o.
2696 (OBJS-libcommon): Add selftest.o.
2697 (OBJS-libcommon-target): Add selftest.o.
2698 (all.internal): Add "selftest".
2699 (all.cross): Likewise.
2700 (selftest): New phony target.
2701 (s-selftest): New target.
2702 (selftest-gdb): New phony target.
2703 (COLLECT2_OBJS): Add selftest.o.
2704 * bitmap.c: Include "selftest.h".
2705 (selftest::test_gc_alloc): New function.
2706 (selftest::test_set_range): New function.
2707 (selftest::test_clear_bit_in_middle): New function.
2708 (selftest::test_copying): New function.
2709 (selftest::test_bitmap_single_bit_set_p): New function.
2710 (selftest::bitmap_c_tests): New function.
2711 * common.opt (fself-test): New.
2712 * diagnostic-show-locus.c: Include "selftest.h".
2713 (make_range): New function.
2714 (test_range_contains_point_for_single_point): New function.
2715 (test_range_contains_point_for_single_line): New function.
2716 (test_range_contains_point_for_multiple_lines): New function.
2717 (assert_eq): New function.
2718 (test_get_line_width_without_trailing_whitespace): New function.
2719 (selftest::diagnostic_show_locus_c_tests): New function.
2720 * et-forest.c: Include "selftest.h".
2721 (selftest::test_single_node): New function.
2722 (selftest::test_simple_tree): New function.
2723 (selftest::test_disconnected_nodes): New function.
2724 (selftest::et_forest_c_tests): New function.
2725 * fold-const.c: Include "selftest.h".
2726 (selftest::assert_binop_folds_to_const): New function.
2727 (selftest::assert_binop_folds_to_nonlvalue): New function.
2728 (selftest::test_arithmetic_folding): New function.
2729 (selftest::fold_const_c_tests): New function.
2730 * function-tests.c: New file.
2731 * gimple.c: Include "selftest.h".
2732 Include "gimple-pretty-print.h".
2733 (selftest::verify_gimple_pp): New function.
2734 (selftest::test_assign_single): New function.
2735 (selftest::test_assign_binop): New function.
2736 (selftest::test_nop_stmt): New function.
2737 (selftest::test_return_stmt): New function.
2738 (selftest::test_return_without_value): New function.
2739 (selftest::gimple_c_tests): New function.
2740 * hash-map-tests.c: New file.
2741 * hash-set-tests.c: New file.
2742 * input.c: Include "selftest.h".
2743 (selftest::assert_loceq): New function.
2744 (selftest::test_accessing_ordinary_linemaps): New function.
2745 (selftest::test_unknown_location): New function.
2746 (selftest::test_builtins): New function.
2747 (selftest::test_reading_source_line): New function.
2748 (selftest::input_c_tests): New function.
2749 * rtl-tests.c: New file.
2750 * selftest-run-tests.c: New file.
2751 * selftest.c: New file.
2752 * selftest.h: New file.
2753 * spellcheck.c: Include "selftest.h".
2754 (selftest::levenshtein_distance_unit_test_oneway): New function,
2755 adapted from testsuite/gcc.dg/plugin/levenshtein_plugin.c.
2756 (selftest::levenshtein_distance_unit_test): Likewise.
2757 (selftest::spellcheck_c_tests): Likewise.
2758 * toplev.c: Include selftest.h.
2759 (toplev::run_self_tests): New.
2760 (toplev::main): Handle -fself-test.
2761 * toplev.h (toplev::run_self_tests): New.
2762 * tree.c: Include "selftest.h".
2763 (selftest::test_integer_constants): New function.
2764 (selftest::test_identifiers): New function.
2765 (selftest::test_labels): New function.
2766 (selftest::tree_c_tests): New function.
2767 * tree-cfg.c: Include "selftest.h".
2768 (selftest::push_fndecl): New function.
2769 (selftest::test_linear_chain): New function.
2770 (selftest::test_diamond): New function.
2771 (selftest::test_fully_connected): New function.
2772 (selftest::tree_cfg_c_tests): New function.
2773 * vec.c: Include "selftest.h".
2774 (selftest::safe_push_range): New function.
2775 (selftest::test_quick_push): New function.
2776 (selftest::test_safe_push): New function.
2777 (selftest::test_truncate): New function.
2778 (selftest::test_safe_grow_cleared): New function.
2779 (selftest::test_pop): New function.
2780 (selftest::test_safe_insert): New function.
2781 (selftest::test_ordered_remove): New function.
2782 (selftest::test_unordered_remove): New function.
2783 (selftest::test_block_remove): New function.
2784 (selftest::reverse_cmp): New function.
2785 (selftest::test_qsort): New function.
2786 (selftest::vec_c_tests): New function.c.
2787 * wide-int.cc: Include selftest.h and wide-int-print.h.
2788 (selftest::from_int <wide_int>): New function.
2789 (selftest::from_int <offset_int>): New function.
2790 (selftest::from_int <widest_int>): New function.
2791 (selftest::assert_deceq): New function.
2792 (selftest::assert_hexeq): New function.
2793 (selftest::test_printing <VALUE_TYPE>): New function template.
2794 (selftest::test_ops <VALUE_TYPE>): New function template.
2795 (selftest::test_comparisons <VALUE_TYPE>): New function template.
2796 (selftest::run_all_wide_int_tests <VALUE_TYPE>): New function
2798 (selftest::wide_int_cc_tests): New function.
2800 2016-06-06 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2803 * ifcvt.c (noce_try_ifelse_collapse): New function.
2805 (noce_process_if_block): Call noce_try_ifelse_collapse.
2806 * simplify-rtx.c (simplify_cond_clz_ctz): New function.
2807 (simplify_ternary_operation): Use the above to simplify
2808 conditional CLZ/CTZ expressions.
2810 2016-06-06 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2813 * config/aarch64/aarch64.md (ctz<mode>2): Convert to
2814 define_insn_and_split.
2816 2016-06-06 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2819 * config/arm/arm.md (ctzsi2): Convert to define_insn_and_split.
2821 2016-06-06 Bernd Edlinger <bernd.edlinger@hotmail.de>
2824 * cfgexpand.c (expand_asm_loc): Remove handling for ADDR_EXPR.
2825 Implicitly clobber memory for basic asm with non-empty assembler
2826 string. Use targetm.md_asm_adjust also here.
2827 * compare-elim.c (arithmetic_flags_clobber_p): Use asm_noperands here.
2828 * final.c (final_scan_insn): Handle basic asm in PARALLEL block.
2829 * gimple.c (gimple_asm_clobbers_memory_p): Handle basic asm with
2830 non-empty assembler string.
2831 * ira.c (compute_regs_asm_clobbered): Use asm_noperands here.
2832 * recog.c (asm_noperands): Handle basic asm in PARALLEL block.
2833 (decode_asm_operands): Handle basic asm in PARALLEL block.
2834 (extract_insn): Handle basic asm in PARALLEL block.
2835 * doc/extend.texi: Mention new behavior of basic asm.
2836 * config/ia64/ia64 (rtx_needs_barrier): Handle ASM_INPUT here.
2837 * config/pa/pa.c (branch_to_delay_slot_p, branch_needs_nop_p,
2838 branch_needs_nop_p): Use asm_noperands.
2840 2016-06-06 Jose E. Marchesi <jose.marchesi@oracle.com>
2842 * config/sparc/sparc.md (cpu): Add niagara7 cpu type.
2843 Include the M7 SPARC DFA scheduler.
2844 New attribute v3pipe.
2845 Annotate insns with v3pipe where appropriate.
2846 Define cpu_feature vis4.
2847 Add lzd instruction type and set it on clzdi_sp64 and clzsi_sp64.
2848 Add (V8QI "8") to vbits.
2849 Add insns {add,sub}v8qi3
2850 Add insns ss{add,sub}v8qi3
2851 Add insns us{add,sub}{v8qi,v4hi}3
2852 Add insns {min,max}{v8qi,v4hi,v2si}3
2853 Add insns {minu,maxu}{v8qi,v4hi,v2si}3
2854 Add insns fpcmp{le,gt,ule,ug,ule,ugt}{8,16,32}_vis.
2855 * config/sparc/niagara4.md: Add a comment explaining the
2856 discrepancy between the documented latenty numbers and the
2858 * config/sparc/niagara7.md: New file.
2859 * configure.ac (HAVE_AS_SPARC5_VIS4): Define if the assembler
2860 supports SPARC5 and VIS 4.0 instructions.
2861 * configure: Regenerate.
2862 * config.in: Likewise.
2863 * config.gcc: niagara7 is a supported cpu in sparc*-*-* targets.
2864 * config/sparc/sol2.h (ASM_CPU32_DEFAUILT_SPEC): Set for
2865 TARGET_CPU_niagara7.
2866 (ASM_CPU64_DEFAULT_SPEC): Likewise.
2867 (CPP_CPU_SPEC): Handle niagara7.
2868 (ASM_CPU_SPEC): Likewise.
2869 * config/sparc/sparc-opts.h (processor_type): Add
2871 (mvis4): New option.
2872 * config/sparc/sparc.h (TARGET_CPU_niagara7): Define.
2873 (AS_NIAGARA7_FLAG): Define.
2874 (ASM_CPU64_DEFAULT_SPEC): Set for niagara7.
2875 (CPP_CPU64_DEFAULT_SPEC): Likewise.
2876 (CPP_CPU_SPEC): Handle niagara7.
2877 (ASM_CPU_SPEC): Likewise.
2878 * config/sparc/sparc.c (niagara7_costs): Define.
2879 (sparc_option_override): Handle niagara7 and adjust cache-related
2880 parameters with better values for niagara cpus. Also support VIS4.
2881 (sparc32_initialize_trampoline): Likewise.
2882 (sparc_use_sched_lookahead): Likewise.
2883 (sparc_issue_rate): Likewise.
2884 (sparc_register_move_cost): Likewise.
2885 (dump_target_flag_bits): Support VIS4.
2886 (sparc_vis_init_builtins): Likewise.
2887 (sparc_builtins): Likewise.
2888 * config/sparc/sparc-c.c (sparc_target_macros): Define __VIS__ for
2890 * config/sparc/driver-sparc.c (cpu_names): Add SPARC-M7 and
2892 * config/sparc/sparc.opt (sparc_processor_type): New value
2894 * config/sparc/visintrin.h (__attribute__): Prototypes for the
2896 * doc/invoke.texi (SPARC Options): Document -mcpu=niagara7 and
2898 * doc/extend.texi (SPARC VIS Built-in Functions): Document the
2901 2016-06-06 Jonathan Wakely <jwakely@redhat.com>
2903 * doc/sourcebuild.texi (Directives): Remove extra closing braces.
2905 2016-06-06 Richard Biener <rguenther@suse.de>
2907 PR tree-optimization/71398
2908 * tree-ssa-loop-ivcanon.c (unloop_loops): First unloop, then
2911 2016-06-05 James Bowman <james.bowman@ftdichip.com>
2913 * config/ft32/ft32.c (ft32_setup_incoming_varargs,
2914 ft32_expand_prolog, ft32_expand_epilogue):
2915 Handle pretend_args.
2916 * config/ft32/ft32.h: Remove OUTGOING_REG_PARM_STACK_SPACE.
2917 * config/ft32/ft32.md: Add pretend_returner.
2919 2016-06-06 Uros Bizjak <ubizjak@gmail.com>
2922 * config/i386/i386.c (ix86_avx256_split_vector_move_misalign):
2923 Copy op1 RTX to avoid invalid sharing.
2924 (ix86_expand_vector_move_misalign): Ditto.
2926 2016-06-05 John David Anglin <danglin@gcc.gnu.org>
2928 * expr.c (move_by_pieces_d::generate): Mark mode parameter with
2931 2016-06-05 Jan Hubicka <hubicka@ucw.cz>
2933 * predict.c (predicted_by_loop_heuristics_p): New function.
2934 (predict_iv_comparison): Use it.
2935 (predict_loops): Walk from innermost loops; do not predict edges
2936 leaving multiple loops multiple times; implement
2937 PRED_LOOP_ITERATIONS_MAX heuristics.
2938 * predict.def (PRED_LOOP_ITERATIONS_MAX): New predictor.
2940 2016-06-05 Jan Hubicka <hubicka@ucw.cz>
2942 * cfg.c (check_bb_profile): Do not report mismatched profiles when
2943 only edges out of BB are EH edges.
2945 2016-06-04 Martin Sebor <msebor@redhat.com>
2946 Marcin Baczyński <marbacz@gmail.com>
2949 * doc/invoke.texi (-Wreturn-type): Mention not warning on return with
2950 a void expression in a void function.
2952 2016-06-03 Jan Hubicka <hubicka@ucw.cz>
2954 * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Do not check
2955 aux; dump reasons of decisions.
2956 (should_duplicate_loop_header_p): Likewise.
2957 (do_while_loop_p): Likewise.
2958 (ch_base::copy_headers): Dump asi num insns duplicated.
2960 2016-06-04 Jakub Jelinek <jakub@redhat.com>
2962 PR tree-optimization/71405
2963 * tree-ssa.c (execute_update_addresses_taken): For clobber with
2964 incompatible type, build a new clobber with the right type instead
2965 of building a VIEW_CONVERT_EXPR around it.
2967 2016-06-04 Oleg Endo <olegendo@gcc.gnu.org>
2969 PR tree-optimization/52171
2970 * config/sh/sh.c (sh_use_by_pieces_infrastructure_p): Use
2971 by_pieces_ninsns instead of move_by_pieces_ninsns.
2973 2016-06-04 Oleg Endo <olegendo@gcc.gnu.org>
2975 * config/sh/sh.c (sh_print_operand_address): Don't use hardcoded 'r0'
2976 for reg+reg addressing mode.
2978 2016-06-03 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2980 * rs6000-c.c (c/c-tree.h): Add #include.
2981 (altivec_resolve_overloaded_builtin): Handle ARRAY_TYPE arguments
2982 in C++ when found in the base position of vec_ld or vec_st.
2984 2016-06-03 Jan Hubicka <hubicka@ucw.cz>
2986 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop): Avoid
2987 use of profile unless profile status is PROFILE_READ.
2988 * profile.c (compute_branch_probabilities): Set profile status
2989 only after reporting predictor hitrates.
2991 2016-06-03 Joseph Myers <joseph@codesourcery.com>
2995 * common.opt (ffp-int-builtin-inexact): New option.
2996 * doc/invoke.texi (-fno-fp-int-builtin-inexact): Document.
2997 * doc/md.texi (floor@var{m}2, btrunc@var{m}2, round@var{m}2)
2998 (ceil@var{m}2): Document dependence on this option.
2999 * ipa-inline-transform.c (inline_call): Handle
3000 flag_fp_int_builtin_inexact.
3001 * ipa-inline.c (can_inline_edge_p): Likewise.
3002 * config/i386/i386.md (rintxf2): Do not test
3003 flag_unsafe_math_optimizations.
3004 (rint<mode>2_frndint): New define_insn.
3005 (rint<mode>2): Do not test flag_unsafe_math_optimizations for 387
3006 or !flag_trapping_math for SSE. Just use gen_rint<mode>2_frndint
3007 for 387 instead of extending and truncating.
3008 (frndintxf2_<rounding>): Test flag_fp_int_builtin_inexact ||
3009 !flag_trapping_math instead of flag_unsafe_math_optimizations.
3010 Change to frndint<mode>2_<rounding>.
3011 (frndintxf2_<rounding>_i387): Likewise. Change to
3012 frndint<mode>2_<rounding>_i387.
3013 (<rounding_insn>xf2): Likewise.
3014 (<rounding_insn><mode>2): Test flag_fp_int_builtin_inexact ||
3015 !flag_trapping_math instead of flag_unsafe_math_optimizations for
3016 x87. Test TARGET_ROUND || !flag_trapping_math ||
3017 flag_fp_int_builtin_inexact instead of !flag_trapping_math for
3018 SSE. Use ROUND_NO_EXC in constant operand of
3019 gen_sse4_1_round<mode>2. Just use gen_frndint<mode>2_<rounding>
3020 for 387 instead of extending and truncating.
3022 2016-06-03 H.J. Lu <hongjiu.lu@intel.com>
3023 Julia Koval <julia.koval@intel.com>
3035 * config/i386/i386-protos.h (ix86_epilogue_uses): New prototype.
3036 * config/i386/i386.c (ix86_conditional_register_usage): Preserve
3037 all registers, except for function return registers if there are
3038 no caller-saved registers.
3039 (ix86_set_func_type): New function.
3040 (ix86_set_current_function): Call ix86_set_func_type to set
3041 no_caller_saved_registers and func_type. Call reinit_regs if
3042 caller-saved registers are changed. Don't allow MPX, SSE, MMX
3043 nor x87 instructions in interrupt handler nor function with
3044 no_caller_saved_registers attribute.
3045 (ix86_function_ok_for_sibcall): Return false if there are no
3046 caller-saved registers.
3047 (type_natural_mode): Don't warn ABI change for MMX in interrupt
3049 (ix86_function_arg_advance): Skip for callee in interrupt handler.
3050 (ix86_function_arg): Return special arguments in interrupt handler.
3051 (ix86_promote_function_mode): Promote pointer to word_mode only
3052 for normal functions.
3053 (ix86_can_use_return_insn_p): Don't use `ret' instruction in
3055 (ix86_epilogue_uses): New function.
3056 (ix86_hard_regno_scratch_ok): Likewise.
3057 (ix86_save_reg): Preserve all registers in interrupt handler
3058 after reload. Preserve all registers, except for function return
3059 registers, if there are no caller-saved registers after reload.
3060 (find_drap_reg): Always use callee-saved register if there are
3061 no caller-saved registers.
3062 (ix86_minimum_incoming_stack_boundary): Return MIN_STACK_BOUNDARY
3063 for interrupt handler.
3064 (ix86_expand_prologue): Don't allow DRAP in interrupt handler.
3065 Emit cld instruction if stringops are used in interrupt handler
3066 or interrupt handler isn't a leaf function.
3067 (ix86_expand_epilogue): Generate interrupt return for interrupt
3068 handler and pop the 'ERROR_CODE' off the stack before interrupt
3069 return in exception handler.
3070 (ix86_expand_call): Disallow calling interrupt handler directly.
3071 If there are no caller-saved registers, mark all registers that
3072 are clobbered by the call which returns as clobbered.
3073 (ix86_handle_no_caller_saved_registers_attribute): New function.
3074 (ix86_handle_interrupt_attribute): Likewise.
3075 (ix86_attribute_table): Add interrupt and no_caller_saved_registers
3077 (TARGET_HARD_REGNO_SCRATCH_OK): Likewise.
3078 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Use argument
3079 accumulation in interrupt function if stack may be realigned to
3081 (EPILOGUE_USES): New.
3082 (function_type): New enum.
3083 (machine_function): Add func_type and no_caller_saved_registers.
3084 * config/i386/i386.md (UNSPEC_INTERRUPT_RETURN): New.
3085 (interrupt_return): New pattern.
3086 * doc/extend.texi: Document x86 interrupt and
3087 no_caller_saved_registers attributes.
3089 2016-06-03 Bernd Schmidt <bschmidt@redhat.com>
3091 PR tree-optimization/52171
3092 * builtins.c (expand_cmpstrn_or_cmpmem): Delete, moved elsewhere.
3093 (expand_builtin_memcmp): New arg RESULT_EQ. All callers changed.
3094 Look for constant strings. Move some code to emit_block_cmp_hints
3096 * builtins.def (BUILT_IN_MEMCMP_EQ): New.
3097 * defaults.h (COMPARE_MAX_PIECES): New macro.
3098 * expr.c (move_by_pieces_d, store_by_pieces_d): Remove old structs.
3099 (move_by_pieces_1, store_by_pieces_1, store_by_pieces_2): Remvoe.
3100 (clear_by_pieces_1): Don't declare. Move definition before use.
3101 (can_do_by_pieces): New static function.
3102 (can_move_by_pieces): Use it. Return bool.
3103 (by_pieces_ninsns): Renamed from move_by_pieces_ninsns. New arg
3104 OP. All callers changed. Handle COMPARE_BY_PIECES.
3105 (class pieces_addr); New.
3106 (pieces_addr::pieces_addr, pieces_addr::decide_autoinc,
3107 pieces_addr::adjust, pieces_addr::increment_address,
3108 pieces_addr::maybe_predec, pieces_addr::maybe_postinc): New member
3110 (class op_by_pieces_d): New.
3111 (op_by_pieces_d::op_by_pieces_d, op_by_pieces_d::run): New member
3113 (class move_by_pieces_d, class compare_by_pieces_d,
3114 class store_by_pieces_d): New subclasses of op_by_pieces_d.
3115 (move_by_pieces_d::prepare_mode, move_by_pieces_d::generate,
3116 move_by_pieces_d::finish_endp, store_by_pieces_d::prepare_mode,
3117 store_by_pieces_d::generate, store_by_pieces_d::finish_endp,
3118 compare_by_pieces_d::generate, compare_by_pieces_d::prepare_mode,
3119 compare_by_pieces_d::finish_mode): New member functions.
3120 (compare_by_pieces, emit_block_cmp_via_cmpmem): New static
3122 (expand_cmpstrn_or_cmpmem): Moved here from builtins.c.
3123 (emit_block_cmp_hints): New function.
3124 (move_by_pieces, store_by_pieces, clear_by_pieces): Rewrite to just
3125 use the newly defined classes.
3126 * expr.h (by_pieces_constfn): New typedef.
3127 (can_store_by_pieces, store_by_pieces): Use it in arg declarations.
3128 (emit_block_cmp_hints, expand_cmpstrn_or_cmpmem): Declare.
3129 (move_by_pieces_ninsns): Don't declare.
3130 (can_move_by_pieces): Change return value to bool.
3131 * target.def (TARGET_USE_BY_PIECES_INFRASTRUCTURE_P): Update docs.
3132 (compare_by_pieces_branch_ratio): New hook.
3133 * target.h (enum by_pieces_operation): Add COMPARE_BY_PIECES.
3134 (by_pieces_ninsns): Declare.
3135 * targethooks.c (default_use_by_pieces_infrastructure_p): Handle
3137 (default_compare_by_pieces_branch_ratio): New function.
3138 * targhooks.h (default_compare_by_pieces_branch_ratio): Declare.
3139 * doc/tm.texi.in (STORE_MAX_PIECES, COMPARE_MAX_PIECES): Document.
3140 * doc/tm.texi: Regenerate.
3141 * tree-ssa-strlen.c: Include "builtins.h".
3142 (handle_builtin_memcmp): New static function.
3143 (strlen_optimize_stmt): Call it for BUILT_IN_MEMCMP.
3144 * tree.c (build_common_builtin_nodes): Create __builtin_memcmp_eq.
3146 2016-06-03 Alan Hayward <alan.hayward@arm.com>
3148 * tree-vect-stmts.c (vect_stmt_relevant_p): Do not vectorize non live
3149 relevant stmts which are simple and invariant.
3150 * tree-vect-loop.c (vectorizable_live_operation): Check relevance
3151 instead of simple and invariant
3153 2016-06-03 Alan Hayward <alan.hayward@arm.com>
3155 * tree-vect-loop.c (vect_analyze_loop_operations): Allow live stmts.
3156 (vectorizable_reduction): Check for new relevant state.
3157 (vectorizable_live_operation): vectorize live stmts using
3158 BIT_FIELD_REF. Remove special case for gimple assigns stmts.
3159 * tree-vect-stmts.c (is_simple_and_all_uses_invariant): New function.
3160 (vect_stmt_relevant_p): Check for stmts which are only used live.
3161 (process_use): Use of a stmt does not inherit it's live value.
3162 (vect_mark_stmts_to_be_vectorized): Simplify relevance inheritance.
3163 (vect_analyze_stmt): Check for new relevant state.
3164 * tree-vectorizer.h (vect_relevant): New entry for a stmt which is used
3165 outside the loop, but not inside it.
3167 2016-06-03 Alan Hayward <alan.hayward@arm.com>
3169 * tree-vectorizer.h (vect_get_vec_def_for_operand_1): New.
3170 * tree-vect-stmts.c (vect_get_vec_def_for_operand_1): New.
3171 (vect_get_vec_def_for_operand): Split out code.
3173 2016-06-03 Segher Boessenkool <segher@kernel.crashing.org>
3175 * config/rs6000/rs6000.md (define_peepholes for two mfcr's): Delete.
3177 2016-06-03 Alan Hayward <alan.hayward@arm.com>
3179 * tree-vect-stmts.c (vectorizable_call) Remove GOMP_SIMD_LANE code.
3181 2016-06-03 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3183 * config/arm/thumb1.md (*thumb1_mulsi3): Fix typos in comment.
3185 2016-06-03 Jakub Jelinek <jakub@redhat.com>
3188 * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): If redirecting
3189 to noreturn e->callee->decl that has void return type and void
3190 arguments, adjust gimple_call_fntype and remove lhs even if it had
3191 previously addressable type.
3193 2016-06-02 Jeff Law <law@redhat.com>
3195 PR tree-optimization/71328
3196 * tree-ssa-threadupdate.c (duplicate_thread_path): Fix off-by-one
3197 error when checking for a jump back onto the copied path.
3199 2016-06-02 David Malcolm <dmalcolm@redhat.com>
3201 * config/microblaze/microblaze.c (get_branch_target): Add return
3202 NULL_RTX for the non-CALL_P case.
3203 (insert_wic_for_ilb_runout): Remove unused local "wic_addr1".
3204 (insert_wic): Remove unused local "j".
3206 2016-06-02 Martin Liska <mliska@suse.cz>
3208 * predict.def: Fix typo in PRED_FORTRAN_FAIL_IO display name.
3210 2016-06-02 H.J. Lu <hongjiu.lu@intel.com>
3211 Julia Koval <julia.koval@intel.com>
3213 * function.c (assign_parm_setup_stack): Force source into a
3215 * target.def (function_incoming_arg): Update documentation to
3216 allow arbitrary address computation based on hard register.
3217 * doc/tm.texi: Regenerated.
3219 2016-06-02 Martin Liska <mliska@suse.cz>
3221 * predict.c (combine_predictions_for_bb): Fix first match in
3222 cases where a first predictor contains more than one occurence
3223 in list of predictors. Take the best value in such case.
3225 2016-06-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3227 PR rtl-optimization/71295
3228 * rtlanal.c (subreg_get_info): If taking a subreg at the requested
3229 offset would go over the size of the inner mode reject it.
3231 2016-06-02 Jakub Jelinek <jakub@redhat.com>
3233 * config/i386/sse.md (*vec_concatv4si): Use v=v,v instead of
3234 x=x,x and v=v,m instead of x=x,m.
3236 * config/i386/sse.md (*vec_concatv2si_sse4_1): Add avx512dq v=Yv,rm
3237 alternative. Change x=x,x alternative to v=Yv,Yv and x=rm,C
3238 alternative to v=rm,C.
3240 * config/i386/sse.md (*vec_concatv2di): Add x86_avx512dq v=Yv,rm
3241 alternative. Change x=xm,C alternative to v=vm,C, x=x,x alternative
3242 to v=Yv,Yv and x=x,m to v=v,m. Use maybe_evex prefix attribute
3243 instead of vex for the last two above mentioned alternatives.
3245 2016-06-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3248 * config/arm/arm.c (arm_output_multireg_pop): Guard "pop" on update.
3250 2016-06-02 Segher Boessenkool <segher@kernel.crashing.org>
3252 * config/rs6000/dfp.md (trunctddd2): Correct the "length" attribute.
3254 2016-06-01 David Malcolm <dmalcolm@redhat.com>
3256 * config/rl78/rl78.c (rl78_expand_prologue): Convert local
3257 from int to unsigned.
3259 2016-05-31 Michael Meissner <meissner@linux.vnet.ibm.com>
3261 * config/rs6000/vsx.md (vsx_splat_<mode>, V2DI/V2DF): Simplify
3262 alternatives, eliminating preferred register class. Add support
3263 for the MTVSRDD instruction in ISA 3.0.
3264 (vsx_splat_v4si_internal): Use splat_input_operand instead of
3265 reg_or_indexed_operand.
3266 (vsx_splat_v4sf_internal): Likewise.
3268 2016-05-31 Michael Meissner <meissner@linux.vnet.ibm.com>
3271 * config/rs6000/vsx.md (xxspltib_<mode>_nosplit): Add alternatives
3272 for loading up all 0's or all 1's.
3274 2016-06-01 Thomas Preud'homme <thomas.preudhomme@arm.com>
3276 * doc/sourcebuild.texi (arm_acq_rel): Document new effective target.
3278 2016-06-01 Eduard Sanou <dhole@openmailbox.org>
3280 * doc/cppenv.texi: Note that the `%s` in `date` is a non-standard
3282 * gcc.c (driver_handle_option): Call set_source_date_epoch_envvar.
3283 * gcc.c (set_source_date_epoch_envvar): New function, sets
3284 the SOURCE_DATE_EPOCH environment variable to the current time.
3286 2016-06-01 Eric Botcazou <ebotcazou@adacore.com>
3288 * tree-vect-loop.c (vect_determine_vectorization_factor): Also compute
3289 the factor for live Phi nodes.
3291 2016-06-01 Jan Hubicka <hubicka@ucw.cz>
3293 * loop-dolop.c (doloop_optimize): Us likely max iteration bound.
3294 * tree-parloops.c (parallelize_loops): likewise.
3295 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop,
3296 tree_unswitch_outer_loop): likewise.
3298 2016-06-01 Jakub Jelinek <jakub@redhat.com>
3301 * gimplify.c (gimplify_omp_for): Temporarily clear gimplify_omp_ctxp
3302 around creation of the temporary.
3304 2016-06-01 Richard Biener <rguenther@suse.de>
3306 PR tree-optimization/71366
3307 * tree-ssa-loop-ivcanon.c (edges_to_remove): New global.
3308 (unloop_loops): Move removing edges here ...
3309 (try_unroll_loop_completely): ... from here.
3310 (try_peel_loop): ... and here.
3311 (tree_unroll_loops_completely_1): Track parent loops via
3312 bitmap of header BBs.
3313 (tree_unroll_loops_completely): Adjust for that.
3315 2016-06-01 Kelvin Nilsen <kelvin@gcc.gnu.org>
3317 * config/rs6000/altivec.h (vec_slv): New macro.
3318 (vec_srv): New macro.
3319 * config/rs6000/altivec.md (UNSPEC_VSLV): New value.
3320 (UNSPEC_VSRV): New value.
3323 * config/rs6000/rs6000-builtin.def (vslv): New builtin definition.
3324 (vsrv): New builtin definition.
3325 * config/rs6000/rs6000-c.c (P9V_BUILTIN_VSLV): Macro expansion to
3326 define argument types for new builtin.
3327 (P9V_BUILTIN_VSRV): Macro expansion to define argument types for
3329 * doc/extend.texi: Document the new vec_vslv and vec_srv built-in
3332 2016-06-01 Uros Bizjak <ubizjak@gmail.com>
3333 Jocelyn Mayer <l_indien@magic.fr>
3336 * config/i386/driver-i386.c (host_detect_local_cpu): Correctly
3337 detect processor family for signature_CENTAUR_ebx.
3338 <case PROCESSOR_I486>: Pass c3, winchip2 or winchip-c6 for
3339 signature_CENTAUR_ebx.
3340 <case PROCESSOR _PENTIUMPRO>: Pass c3-2 for signature_CENTAUR_ebx.
3341 <default>: Pass x86-64 for has_longmode.
3343 2016-06-01 Nathan Sidwell <nathan@acm.org>
3345 * config/nvptx/nvptx.c (nvptx_assemble_undefined_decl): Reject
3348 2016-06-01 Richard Biener <rguenther@suse.de>
3350 PR tree-optimization/71261
3351 * tree-vect-patterns.c (check_bool_pattern): Gather a hash-set
3352 of stmts successfully put in the bool pattern. Remove
3353 single-use restriction.
3354 (adjust_bool_pattern_cast): Add cast at the use site via the
3355 pattern def sequence.
3356 (adjust_bool_pattern): Remove recursion, maintain a hash-map
3357 of patterned defs. Use the pattern def seqence instead of
3358 multiple independent patterns.
3359 (sort_after_uid): New qsort compare function.
3360 (adjust_bool_stmts): New function to process stmts in the bool
3361 pattern in IL order.
3362 (vect_recog_bool_pattern): Adjust.
3363 * tree-if-conv.c (ifcvt_split_def_stmt): Remove.
3364 (ifcvt_walk_pattern_tree): Likewise.
3365 (stmt_is_root_of_bool_pattern): Likewise.
3366 (ifcvt_repair_bool_pattern): Likewise.
3367 (tree_if_conversion): Do not call ifcvt_repair_bool_pattern.
3369 2016-06-01 Jan Hubicka <hubicka@ucw.cz>
3371 * loop-unroll.c (decide_unroll_constant_iterations,
3372 decide_unroll_runtime_iterations, decide_unroll_stupid): Use
3373 likely upper bounds.
3374 * loop-iv.c (find_simple_exit): Dump likely upper bounds.
3376 2016-06-01 Thomas Schwinge <thomas@codesourcery.com>
3378 * tree-core.h (enum omp_clause_code): Remove
3379 OMP_CLAUSE_DEVICE_RESIDENT. Adjust all users.
3381 2016-06-01 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3383 * config/arm/sync.md (arm_store_exclusive<mode>):
3384 Use 'H' output modifier on operands[2] rather than creating a new
3385 entry in out-of-bounds memory of the operands array.
3386 (arm_store_release_exclusivedi): Likewise.
3388 2016-06-01 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3390 * config/arm/arm.c (arm_fusion_enabled_p): New function.
3391 * config/arm/arm-protos.h (arm_fusion_enabled_p): Declare prototype.
3392 * config/arm/crypto.md (crypto_<crypto_pattern>, CRYPTO_UNARY):
3393 Add "=w,0" alternative. Enable it when AES/AESMC fusion is enabled.
3395 2016-06-01 Eric Botcazou <ebotcazou@adacore.com>
3397 * tree-vect-loop.c (vect_determine_vectorization_factor): Also take
3398 into account live statements for mask producers.
3400 2016-06-01 Richard Biener <rguenther@suse.de>
3402 PR tree-optimization/71311
3403 * match.pd (@0 < @1 && @0 < @2 -> @0 < min(@1,@2)): Add :c and
3404 restrict to non-INTEGER_CST @0.
3406 2016-06-01 Richard Biener <rguenther@suse.de>
3408 * match.pd ((A & B) - (A & ~B) -> B - (A ^ B)): Add missing :c.
3409 (relational patterns): Use :c to avoid pattern duplications.
3411 2016-06-01 Richard Biener <rguenther@suse.de>
3413 * genmatch.c (comparison_code_p): New predicate.
3414 (swap_tree_comparison): New function.
3415 (commutate): Add for_vec parameter to append new for entries.
3416 Support commutating relational operators by swapping it alongside
3418 (lower_commutative): Adjust.
3419 (dt_simplify::gen): Do not pass artificial operators to gen
3421 (decision_tree::gen): Do not add artificial operators as parameters.
3422 (parser::parse_expr): Verify operator commutativity when :c is
3423 applied. Allow :C to override this.
3424 * match.pd: Adjust patterns to use :C instead of :c where required.
3426 2016-06-01 Patrick Palka <ppalka@gcc.gnu.org>
3428 PR tree-optimization/71077
3429 * tree-ssa-threadedge.c (simplify_control_stmt_condition_1): In
3430 the combining step, use boolean_false_node and boolean_true_node
3431 as the designated false/true return values.
3433 2016-05-31 Jan Hubicka <hubicka@ucw.cz>
3435 * predict.def (PRED_LOOP_EXTRA_EXIT): Define.
3436 * predict.c (predict_iv_comparison): Also check PRED_LOOP_EXTRA_EXIT.
3437 (predict_extra_loop_exits): Use PRED_LOOP_EXTRA_EXIT instead of
3440 2016-05-31 Jan Hubicka <hubicka@ucw.cz>
3442 * doc/invoke.texi (-frename-registers): Drop -fpeel-loops from list
3443 of flags impliying the register renaming.
3444 * toplev.c (process_options): Do not imply flag_rename_registers with
3447 2016-05-31 Oleg Endo <olegendo@gcc.gnu.org>
3449 * config/sh/sh.h (ASM_OUTPUT_SYMBOL_REF): Remove macro and use the
3450 default implementation.
3452 2016-05-31 Nathan Sidwell <nathan@acm.org>
3454 * dwarf2out.c (cur_line_info_table): Add GTY marker.
3456 2016-05-31 Oleg Endo <olegendo@gcc.gnu.org>
3458 * config/sh/constraints.md (b): Remove constraint.
3459 * config/sh/predicates.md (arith_reg_operand): Remove
3461 * config/sh/sh-modes.def (PDI): Remove.
3462 * config/sh/sh.c (sh_target_reg_class,
3463 sh_optimize_target_register_callee_saved): Remove functions.
3464 (sh_option_override): Don't set MASK_SAVE_ALL_TARGET_REGS.
3465 (sh_expand_epilogue): Update comment.
3466 (sh_hard_regno_mode_ok, sh_register_move_cost, calc_live_regs,
3467 sh_secondary_reload): Remove TARGET_REGS related code.
3468 * config/sh/sh.h (FIRST_TARGET_REG, LAST_TARGET_REG,
3469 TARGET_REGISTER_P): Remove macros.
3470 (SH_DBX_REGISTER_NUMBER, REG_ALLOC_ORDER): Remove target regs.
3471 * config/sh/sh.md (PR_MEDIA_REG, T_MEDIA_REG, FR23_REG, TR0_REG,
3472 TR1_REG, TR2_REG): Remove constants.
3473 * config/sh/sh.opt (SAVE_ALL_TARGET_REGS): Remove.
3475 2016-05-31 Oleg Endo <olegendo@gcc.gnu.org>
3477 * config/sh/sh.md (adddi3, subdi3, negdi2, abs<mode>2): Remove
3478 define_expand patterns.
3479 (adddi3_compact): Rename to adddi3.
3480 (subdi3_compact): Rename to subdi3.
3481 (*negdi2): Rename to negdi2.
3482 (*abs<mode>2): Rename to abs<mode>2.
3484 2016-05-31 Oleg Endo <olegendo@gcc.gnu.org>
3486 * config/rx/rx.md (FETCHOP_NO_MINUS): New code iterator.
3487 (atomic_<fetchop_name>_fetchsi): Extract minus operator into ...
3488 (atomic_sub_fetchsi): ... this new pattern.
3489 (mvtc): Add CC_REG clobber.
3491 2016-05-31 Marek Polacek <polacek@redhat.com>
3493 * gimplify.c (gimplify_switch_expr): Also handle GIMPLE_TRY.
3495 2016-05-31 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3497 * config/aarch64/aarch64.c (aarch_macro_fusion_pair_p): Use
3498 aarch64_fusion_enabled_p to check for fusion capabilities.
3500 2016-05-31 Richard Biener <rguenther@suse.de>
3502 PR tree-optimization/71352
3503 * tree-ssa-reassoc.c (zero_one_operation): Handle op equal to
3504 minus one and a negate.
3506 2016-05-31 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3508 * config/aarch64/aarch64.c (aarch64_simd_attr_length_move): Delete.
3509 * config/aarch64/aarch64-protos.h (aarch64_simd_attr_length_move):
3511 * config/aarch64/iterators.md (insn_count): Add descriptive comment.
3512 * config/aarch64/aarch64-simd.md (*aarch64_mov<mode>, VSTRUCT modes):
3513 Remove use of aarch64_simd_attr_length_move, set length attribute
3515 (*aarch64_be_movoi): Likewise.
3516 (*aarch64_be_movci): Likewise.
3517 (*aarch64_be_movxi): Likewise.
3519 2016-05-31 Jan Hubicka <hubicka@ucw.cz>
3521 * loop-init.c (gate): Do not enale RTL loop unroller with -fpeel-loops.
3522 It no longer does that.
3523 * toplev.c (process_options): Do not enable flag_web with -fpeel-loops.
3525 2016-05-31 Wladimir J. van der Laan <laanwj@gmail.com>
3527 * config/aarch64/arm_neon.h (vdupb_laneq_s8): Remove spurious
3528 attribute __unused__.
3530 2016-05-31 Thomas Preud'homme <thomas.preudhomme@arm.com>
3532 * config/arm/arm-protos.h (arm_arch_thumb1): Declare.
3533 * config/arm/arm.c (arm_arch_thumb1): Define.
3534 (arm_option_override): Initialize arm_arch_thumb1.
3535 * config/arm/arm.h (arm_arch_thumb1): Declare.
3536 (TARGET_ARM_ARCH_ISA_THUMB): Use arm_arch_thumb to determine if target
3537 support Thumb-1 ISA.
3539 2016-05-31 Kirill Yukhin <kirill.yukhin@intel.com>
3542 * config/i386/sse.md (define_insn_and_split "*vec_extractv4sf_0"): Use
3543 `Yv' for scalar operand.
3545 2016-05-31 Tom de Vries <tom@codesourcery.com>
3547 PR tree-optimization/69068
3548 * graphite-isl-ast-to-gimple.c (copy_bb_and_scalar_dependences): Handle
3549 phis with more than two args.
3551 2016-05-30 Andreas Tobler <andreast@gcc.gnu.org>
3553 * config.gcc: Move hard float support for arm*hf*-*-freebsd* into
3554 armv6*-*-freebsd* for FreeBSD 11. Eliminate the arm*hf*-*-freebsd*
3557 2016-05-30 Jose E. Marchesi <jose.marchesi@oracle.com>
3559 * config.gcc (sparc*-*-*): Support cpu_32, cpu_64, tune_32 and
3561 * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
3563 * config/sparc/linux64.h (OPTION_DEFAULT_SPECS): Add entries for
3564 cpu_32, cpu_64, tune_32 and tune_64.
3565 * config/sparc/sol2.h (OPTION_DEFAULT_SPECS): Likewise.
3567 2016-05-30 Uros Bizjak <ubizjak@gmail.com>
3569 * config/i386/sync.md (mfence_nosse): Use "lock orl $0, -4(%esp)".
3571 2016-05-30 Andi Kleen <ak@linux.intel.com>
3573 * auto-profile.c (read_profile): Replace asserts with errors
3574 when file does not exist.
3575 * gcov-io.c (gcov_read_words): Dito.
3577 2016-05-30 Jan Hubicka <hubicka@ucw.cz>
3579 * tree-cfg.c (print_loop): Print likely upper bounds.
3581 2016-05-30 Jan Hubicka <hubicka@ucw.cz>
3583 * doc/invoke.texi (-fpeel-loops,-O3): Update documentation.
3584 * opts.c (default_options): Enable peel loops at -O3.
3585 * tree-ssa-loop-ivcanon.c (peeled_loops): New static var.
3586 (try_peel_loop): Do not re-peel already peeled loops;
3587 use likely upper bounds; fix profile updating.
3588 (pass_complete_unroll::execute): Initialize peeled_loops.
3590 2016-05-30 Martin Liska <mliska@suse.cz>
3592 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Scale
3593 computed costs by frequency of BB they belong to.
3594 (get_scaled_computation_cost_at): New function.
3596 2016-05-30 Alexander Monakov <amonakov@ispras.ru>
3597 Marc Glisse <marc.glisse@inria.fr>
3599 PR tree-optimization/71289
3600 * match.pd (-1 / B < A, A > -1 / B): New transformations.
3602 2016-05-30 Jan Hubicka <hubicka@ucw.cz>
3604 * tree-vect-loop.c (vect_transform_loop): Update likely bounds.
3606 2016-05-30 Jan Hubicka <hubicka@ucw.cz>
3608 * tree-ssa-loop-ivcanon.c (try_peel_loop): Correctly set wont_exit
3609 for peeled copies; avoid underflow when updating estimates; correctly
3612 2016-05-30 Kugan Vivekanandarajah <kuganv@linaro.org>
3614 * tree-ssa-reassoc.ci (swap_ops_for_binary_stmt): Fix typo from commit
3615 r236875. Corrected oe3 to oe2 as obvious.
3617 2016-05-30 Kugan Vivekanandarajah <kuganv@linaro.org>
3621 * tree-ssa-reassoc.c (insert_stmt_before_use): Use find_insert_point so
3622 that inserted stmt will not dominate stmts that defines its operand.
3623 (rewrite_expr_tree): Add stmt_to_insert before adding the use stmt.
3624 (rewrite_expr_tree_parallel): Likewise.
3626 2016-05-30 Kugan Vivekanandarajah <kuganv@linaro.org>
3629 * tree-ssa-reassoc.c (swap_ops_for_binary_stmt): Fix swap such that
3630 all fields including stmt_to_insert are swapped.
3632 2016-05-30 Jan Hubicka <hubicka@ucw.cz>
3634 * predict.h (force_edge_cold): Declare.
3635 * predict.c (force_edge_cold): New function.
3636 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Fix profile
3638 (canonicalize_loop_induction_variables): Fix formating.
3640 2016-05-30 Eric Botcazou <ebotcazou@adacore.com>
3642 * config/visium/visium.c (visium_split_double_add): Minor tweaks.
3643 (visium_expand_copysign): Use gen_int_mode directly.
3644 (visium_compute_frame_size): Minor tweaks.
3646 2016-05-30 Jan Hubicka <hubicka@ucw.cz>
3648 * tree-vect-loop.c (vect_analyze_loop_2): Use
3649 likely_max_stmt_executions_int.
3651 2016-05-30 Tom de Vries <tom@codesourcery.com>
3653 PR tree-optimization/69067
3654 * graphite-isl-ast-to-gimple.c (get_def_bb_for_const): Remove assert.
3656 2016-05-29 Uros Bizjak <ubizjak@gmail.com>
3659 * config/i386/sync.md (define_peephole2 atomic_storedi_fpu):
3660 New peepholes to remove unneeded fild/fistp pairs.
3661 (define_peephole2 atomic_loaddi_fpu): Ditto.
3663 2016-05-27 Jan Hubicka <hubicka@ucw.cz>
3665 * predict.c (maybe_hot_frequency_p): Avoid division.
3667 2016-05-28 Gerald Pfeifer <gerald@pfeifer.com>
3669 * doc/install.texi: Use https for shop.fsf.org.
3671 2016-05-27 Jan Hubicka <hubicka@ucw.cz>
3673 * tree-ssa-loop-ivopts.c (estimated_stmt_executions_int): Use
3674 likely_max_stmt_executions_int.
3676 2016-05-27 Jan Hubicka <hubicka@ucw.cz>
3678 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Use
3679 likely_max_stmt_executions_int.
3681 2016-05-27 Jan Hubicka <hubicka@ucw.cz>
3683 * profile.c (compute_branch_probabilities): Do not report hitrates
3685 (branch_prob): Report hitrates here.
3686 * predict.c (gimple_predict_edge): Do not assert profile status;
3687 fix formatting issues.
3689 2016-05-27 Jan Hubicka <hubicka@ucw.cz>
3691 * predict.c (edge_predicted_by_p): New function.
3692 (predict_paths_for_bb): Do not put multiple predictions of the same type
3695 2016-05-27 Jan Hubicka <hubicka@ucw.cz>
3697 * tree-ssa-loop-niter.c (number_of_iterations_exit): Revert accidental
3700 2016-05-28 Alan Modra <amodra@gmail.com>
3702 * dominance.c (verify_dominators): Don't segfault on NULL imm_bb.
3704 2016-05-28 Alan Modra <amodra@gmail.com>
3706 PR rtl-optimization/71275
3707 * ira.c (ira): Free dominance info.
3709 2016-05-27 Gerald Pfeifer <gerald@pfeifer.com>
3711 * doc/sourcebuild.texi: New address for upstream Go repository.
3713 2016-05-27 Thomas Preud'homme <thomas.preudhomme@arm.com>
3715 * config/arm/arm.h (TARGET_ARM_V6M): Remove.
3716 (TARGET_ARM_V7M): Likewise.
3718 2016-05-26 Jeff Law <law@redhat.com>
3720 * tree-ssa-threadedge.c: Remove include of tree-ssa-threadbackward.h.
3721 (thread_across_edge): Remove calls to find_jump_threads_backwards.
3722 * passes.def: Add jump threading passes before DOM/VRP.
3723 * tree-ssa-threadbackward.c (find_jump_threads_backwards): Change
3724 argument to a basic block from an edge. Remove tests which are
3726 (pass_data_thread_jumps, class pass_thread_jumps): New.
3727 (pass_thread_jumps::gate, pass_thread_jumps::execute): New.
3728 (make_pass_thread_jumps): Likewise.
3729 * tree-pass.h (make_pass_thread_jumps): Declare.
3731 2016-05-27 Eric Botcazou <ebotcazou@adacore.com>
3733 * config/visium/visium-protos.h (split_double_move): Rename into...
3734 (visium_split_double_move): ...this.
3735 (visium_split_double_add): Declare.
3736 * config/visium/visium.c (split_double_move): Rename into...
3737 (visium_split_double_move): ...this.
3738 (visium_split_double_add): New function.
3739 (visium_expand_copysign): Renumber operands for consistency.
3740 * config/visium/visium.md (DImode move splitter): Adjust to renaming.
3741 (DFmode move splitter): Likewise.
3742 (*addi3_insn): Split by means of visium_split_double_add.
3743 (*adddi3_insn_flags): Delete.
3744 (*plus_plus_sltu<subst_arith>): New insn.
3745 (*subdi3_insn): Split by means of visium_split_double_add.
3746 (subdi3_insn_flags): Delete.
3747 (*minus_minus_sltu<subst_arith>): New insn.
3748 (*negdi2_insn): Split by means of visium_split_double_add.
3749 (*negdi2_insn_flags): Delete.
3751 2016-05-27 Ulrich Weigand <uweigand@de.ibm.com>
3753 * configure.ac: Treat a --with-headers option without argument
3754 the same as the default (i.e. consult sys-include directory).
3755 * configure: Regenerate.
3757 2016-05-27 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3759 * config/aarch64/aarch64.c (aarch64_fusion_enabled_p): New function.
3760 * config/aarch64/aarch64-protos.h (aarch64_fusion_enabled_p): Declare
3762 * config/aarch64/aarch64-simd.md (aarch64_crypto_aes<aesmc_op>v16qi):
3763 Add "=w,0" alternative. Enable it when AES/AESMC fusion is enabled.
3765 2016-05-27 Jiong Wang <jiong.wang@arm.com>
3768 * config/aarch64/aarch64.c (aarch64_expand_builtin_va_start): Honor
3769 tree-stdarg analysis results.
3770 (aarch64_setup_incoming_varargs): Likewise.
3772 2016-05-27 Jiong Wang <jiong.wang@arm.com>
3774 * config/aarch64/aarch64.c (aarch64_build_builtin_va_list): Initialize
3775 va_list_gpr_counter_field and va_list_fpr_counter_field.
3777 2016-05-27 Wilco Dijkstra <wdijkstr@arm.com>
3780 * config/aarch64/aarch64.h (CANNOT_CHANGE_MODE_CLASS): Remove.
3781 * config/aarch64/aarch64.c
3782 (aarch64_cannot_change_mode_class): Remove function.
3783 * config/aarch64/aarch64-protos.h
3784 (aarch64_cannot_change_mode_class): Remove.
3786 2016-05-27 Jan Hubicka <hubicka@ucw.cz>
3788 * cfgloop.c (record_niter_bound): Record likely upper bounds.
3789 (likely_max_stmt_executions_int, get_likely_max_loop_iterations,
3790 get_likely_max_loop_iterations_int): New.
3791 * cfgloop.h (struct loop): Add nb_iterations_likely_upper_bound,
3792 any_likely_upper_bound.
3793 (get_likely_max_loop_iterations_int, get_likely_max_loop_iterations):
3795 * cfgloopmanip.c (copy_loop_info): Copy likely upper bounds.
3796 * loop-unroll.c (unroll_loop_constant_iterations): Update likely
3798 (unroll_loop_constant_iterations): Likewise.
3799 (unroll_loop_runtime_iterations): Likewise.
3800 * lto-streamer-in.c (input_cfg): Stream likely upper bounds.
3801 * lto-streamer-out.c (output_cfg): Likewise.
3802 * tree-ssa-loop-ivcanon.c (try_peel_loop): Update likely upper
3804 (canonicalize_loop_induction_variables): Dump likely upper bounds.
3805 * tree-ssa-loop-niter.c (record_estimate): Record likely upper bounds.
3806 (likely_max_loop_iterations): New.
3807 (likely_max_loop_iterations_int): New.
3808 (likely_max_stmt_executions): New.
3809 * tree-ssa-loop-niter.h (likely_max_loop_iterations,
3810 likely_max_loop_iterations_int, likely_max_stmt_executions_int,
3811 likely_max_stmt_executions): Declare.
3813 2016-05-27 Marek Polacek <polacek@redhat.com>
3816 * gimple-fold.c (gimple_fold_call): Check that LHS is not null.
3818 2016-05-27 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
3820 * config/s390/s390.md (2x risbg splitters): Use
3821 reg_overlap_mentioned_p instead of rtx_equal_p.
3823 2016-05-27 Dominik Vogt <vogt@linux.vnet.ibm.com>
3825 * combine.c (make_compound_operation): Take known zero bits into
3826 account when checking for possible zero_extend.
3828 2016-05-27 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3830 * config/aarch64/aarch64.md (ashl<mode>3, SHORT modes):
3831 Use const_int_operand for operand 2 predicate. Simplify expand code
3834 2016-05-27 Ilya Enkovich <ilya.enkovich@intel.com>
3837 * fold-const.c (fold_ternary_loc): Don't fold VEC_COND_EXPR
3840 2016-05-27 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3842 * config/aarch64/aarch64-modes.def (CC_ZESWP, CC_SESWP): Delete.
3843 * config/aarch64/aarch64.c (aarch64_select_cc_mode): Remove condition
3844 that returns CC_SESWPmode and CC_ZESWPmode.
3845 (aarch64_get_condition_code_1): Remove handling of CC_SESWPmode
3847 (aarch64_rtx_costs): Likewise.
3849 2016-05-26 Michael Meissner <meissner@linux.vnet.ibm.com>
3851 * config/rs6000/rs6000.c (rs6000_emit_p9_fp_minmax): New function
3852 for ISA 3.0 min/max support.
3853 (rs6000_emit_p9_fp_cmove): New function for ISA 3.0 floating point
3854 conditional move support.
3855 (rs6000_emit_cmove): Call rs6000_emit_p9_fp_minmax and
3856 rs6000_emit_p9_fp_cmove if the ISA 3.0 instructions are
3858 * config/rs6000/rs6000.md (SFDF2): New iterator to allow doing
3859 conditional moves where the comparison type is different from move
3861 (fp_minmax): New code iterator for smin/smax.
3862 (minmax): New code attributes for min/max.
3863 (SMINMAX): Likewise.
3864 (smax<mode>3): Combine min, max insns into one insn using the
3865 fp_minmax code iterator. Add support for ISA 3.0 min/max
3866 instructions that don't need -ffast-math.
3867 (s<minmax><mode>3): Likewise.
3868 (smax<mode>3_vsx): Likewise.
3869 (smin<mode>3): Likewise.
3870 (s<minmax><mode>3_vsx): Likewise.
3871 (smin<mode>3_vsx): Likewise.
3872 (pre-VSX min/max splitters): Likewise.
3873 (s<minmax><mode>3_fpr): Likewise.
3874 (movsfcc): Rewrite floating point conditional moves to combine
3875 SFmode/DFmode into a single insn.
3876 (mov<mode>cc): Likewise.
3877 (movdfcc): Likewise.
3878 (fselsfsf4): Combine FSEL cases into a single insn, using SFDF and
3879 SFDF2 iterators to handle all combinations.
3880 (fseldfsf4): Likewise.
3881 (fsel<SFDF:mode><SFDF2:mode>4): Likewise.
3882 (fseldfdf4): Likewise.
3883 (fselsfdf4): Likewise.
3884 (mov<SFDF:mode><SFDF2:mode>cc_p9): Add support for the ISA 3.0
3885 comparison instructions that set a 0/-1 mask, and use it for
3886 floating point conditional move via XXSEL.
3887 (fpmask<mode>): Likewise.
3888 (xxsel<mode>): Likewise.
3889 * config/rs6000/predicates.md (min_max_operator): Delete, no
3891 (fpmask_comparison_operaton): New insn for ISA 3.0 comparison
3892 instructions that generate a 0/-1 mask for use with XXSEL.
3893 * config/rs6000/rs6000.h (TARGET_MINMAX_SF): New helper macros to
3894 say whether floating point min/max is available, either through
3895 FSEL, ISA 2.06 min/max, and ISA 3.0 min/max instrucitons.
3896 (TARGET_MINMAX_DF): Likewise.
3898 2016-05-27 Alan Modra <amodra@gmail.com>
3900 PR rtl-optimization/71275
3901 * ira.c (ira): Call loop_optimizer_init to set up bb_loop_depth
3902 for update_equiv_regs and combine_and_move_insns.
3904 2016-05-26 Uros Bizjak <ubizjak@gmail.com>
3906 * config/i386/i386.md (*movqi_internal) <attr "isa">: Use
3907 if_then_else or cond RTXes to calculate attribute value.
3908 * config/i386/mmx.md (*vec_extractv2sf_1) <attr "prefix_rep">: Ditto.
3909 <attr "length_immediate>: Ditto.
3910 (*vec_extractv2sf_1) <attr "length_immediate">: Ditto.
3911 * config/i386/sse.md (sse_loadlps) <attr "length_immediate">: Ditto.
3912 (*vec_concatv2sf_sse4_1) <attr "isa">: Ditto.
3913 <attr "type">: Ditto.
3914 <attr "prefix_data16">: Ditto.
3915 <attr "prefix_extra">: Ditto.
3916 <attr "length_immediate">: Ditto.
3917 <attr "prefix">: Ditto.
3918 (vec_set<mode>_0) <attr "isa">: Ditto.
3919 <attr "prefix_extra">: Ditto.
3920 <attr "length_immediate">: Ditto.
3921 <attr "prefix">: Ditto.
3922 (*vec_interleave_highv2df) <attr "prefix_data16">: Ditto.
3923 (*vec_interleave_lowv2df) <attr "prefix_data16">: Ditto.
3924 (sse2_storelpd) <attr "prefix_data16">: Ditto.
3925 (sse2_loadhpd) <attr "prefix_data16">: Ditto.
3926 (sse2_loadlpd) <attr "prefix_data16">: Ditto.
3927 <attr "length_immediate">: Ditto.
3928 <attr "prefix">: Ditto.
3929 (sse2_movsd) <attr "length_immediate">: Ditto.
3930 <attr "prefix">: Ditto.
3931 (vec_concatv2df) <attr "isa">: Ditto.
3932 <attr "prefix">: Ditto.
3933 (*vec_extractv4si) <attr "prefix_extra">: Ditto.
3934 (*vec_extractv2di_1) <attr "isa">: Ditto.
3935 <attr "type">: Ditto.
3936 <attr "length_immediate">: Ditto.
3937 <attr "prefix_rex">: Ditto.
3938 <attr "prefix_extra">: Ditto.
3939 (*vec_concatv2si_sse4_1) <attr "type">: Ditto.
3940 <attr "prefix_extra">: Ditto.
3941 <attr "length_immediate">: Ditto.
3942 (vec_concatv2di) <attr "isa">: Ditto.
3943 <attr "prefix_extra">: Ditto.
3944 <attr "length_immediate">: Ditto.
3945 <attr "prefix">: Ditto.
3947 2016-05-26 Martin Liska <mliska@suse.cz>
3949 * tree-ssa-loop-ivopts.c (comp_cost::infinite_cost_p): New
3951 (operator+): Likewise.
3952 (operator-): Likewise.
3953 (comp_cost::operator+=): Likewise.
3954 (comp_cost::operator-=): Likewise.
3955 (comp_cost::operator/=): Likewise.
3956 (comp_cost::operator*=): Likewise.
3957 (operator<): Likewise.
3958 (operator==): Likewise.
3959 (operator<=): Likewise.
3961 (infinite_cost_p): Likewise.
3962 (add_costs): Likewise.
3963 (sub_costs): Likewise.
3964 (compare_costs): Likewise.
3965 (set_group_iv_cost): Use the newly introduced functions.
3966 (get_address_cost): Likewise.
3967 (get_shiftadd_cost): Likewise.
3968 (force_expr_to_var_cost): Likewise.
3969 (split_address_cost): Likewise.
3970 (ptr_difference_cost): Likewise.
3971 (difference_cost): Likewise.
3972 (get_computation_cost_at): Likewise.
3973 (determine_group_iv_cost_generic): Likewise.
3974 (determine_group_iv_cost_address): Likewise.
3975 (determine_group_iv_cost_cond): Likewise.
3976 (autoinc_possible_for_pair): Likewise.
3977 (determine_group_iv_costs): Likewise.
3978 (cheaper_cost_pair): Likewise.
3979 (iv_ca_recount_cost): Likewise.
3980 (iv_ca_set_no_cp): Likewise.
3981 (iv_ca_set_cp): Likewise.
3982 (iv_ca_cost): Likewise.
3983 (iv_ca_new): Likewise.
3984 (iv_ca_dump): Likewise.
3985 (iv_ca_narrow): Likewise.
3986 (iv_ca_prune): Likewise.
3987 (iv_ca_replace): Likewise.
3988 (try_add_cand_for): Likewise.
3989 (try_improve_iv_set): Likewise.
3990 (find_optimal_iv_set): Likewise.
3992 2016-05-26 Richard Sandiford <richard.sandiford@arm.com>
3994 * tree-ssa-loop-ivopts.c (loop_body_includes_call): Don't assume
3995 that internal functions will clobber all caller-saved registers.
3997 2016-05-26 Wilco Dijkstra <wdijkstr@arm.com>
3999 * config/aarch64/aarch64.c (aarch64_case_values_threshold):
4000 Return a better case_values_threshold when optimizing.
4002 2016-05-26 Wilco Dijkstra <wdijkstr@arm.com>
4004 * config/aarch64/aarch64-simd.md (aarch64_combinez):
4005 Add ? to integer variant.
4006 (aarch64_combinez_be): Likewise.
4008 2016-05-26 Jakub Jelinek <jakub@redhat.com>
4010 * config/i386/sse.md (*vcvtps2ph_store<mask_name>): Use v constraint
4011 instead of x constraint.
4012 (vcvtps2ph256<mask_name>): Likewise.
4014 * config/i386/sse.md (*ssse3_palignr<mode>_perm): Add avx512bw
4015 alternative. Formatting fix.
4017 * config/i386/sse.md
4018 (<mask_codefor>avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Rename
4020 (avx512vl_shuf_<shuffletype>32x4_1<mask_name>): ... this.
4021 (*avx_vperm_broadcast_v4sf): Use v constraint instead of x. Use
4022 maybe_evex prefix instead of vex.
4023 (*avx_vperm_broadcast_<mode>): Use v constraint instead of x. Handle
4024 EXT_REX_SSE_REG_P (op0) case in the splitter.
4026 2016-05-25 Jeff Law <law@redhat.com>
4028 PR tree-optimization/71272
4029 * tree-ssa-threadbackward.c (convert_and_register_jump_thread_path):
4030 Update comments. Add test for empty path.
4032 2016-05-25 Bill Seurer <seurer@linux.vnet.ibm.com>
4034 * config/rs6000/altivec.h (vec_cmpne): Add #define for vec_cmpne.
4035 * config/rs6000/rs6000-builtin.def (vec_cmpne): Add vec_cmpne as a
4036 special case builtin.
4037 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
4038 code for ALTIVEC_BUILTIN_VEC_CMPNE.
4039 * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
4040 for __builtin_vec_cmpne.
4042 2016-05-25 Eric Botcazou <ebotcazou@adacore.com>
4044 * tree-ssa-phiopt.c (factor_out_conditional_conversion): Remove
4045 redundant test and bail out if the type of the new operand is not
4046 a GIMPLE register type after stripping a VIEW_CONVERT_EXPR.
4048 2016-05-25 Uros Bizjak <ubizjak@gmail.com>
4050 * config/i386/i386.opt (ix86_target_flags_explicit): Remove.
4051 (x_ix86_target_flags_explicit): Remove.
4052 * config/i386/i386.c (ix86_function_specific_save): Do not copy
4053 x_ix86_target_flags_explicit.
4054 (ix86_function_specific_restore): Ditto.
4056 2016-05-25 Uros Bizjak <ubizjak@gmail.com>
4057 H.J. Lu <hongjiu.lu@intel.com>
4060 * common/config/i386/i386-common.c
4061 (OPTION_MASK_ISA_GENERAL_REGS_ONLY_UNSET): New.
4062 (ix86_handle_option) <case OPT_mgeneral_regs_only>: Disable
4063 MPX, MMX, SSE and x87 instructions for -mgeneral-regs-only.
4064 * config/i386/i386.opt (ix86_target_flags): Add new Variable.
4065 (-mgeneral-regs-only): Add new option.
4066 * config/i386/i386.c (ix86_option_override_internal): Don't enable
4067 x87 instructions if only general registers are allowed.
4068 (ix86_target_string): Add ix86_flags argument. Handle additional
4069 flags options through ix86_flags argument. Update all callers.
4070 * doc/invoke.texi (x86 Options): Document -mgeneral-regs-only.
4072 2016-05-25 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4074 PR rtl-optimization/66940
4075 * ifcvt.c (noce_get_alt_condition): Check that incrementing or
4076 decrementing desired_val will not overflow before performing these
4079 2016-05-25 Ilya Verbin <ilya.verbin@intel.com>
4081 * config/i386/i386-builtin-types.def: Add V16SI_FTYPE_V16SF,
4082 V8DF_FTYPE_V8DF_ROUND, V16SF_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF_ROUND.
4083 * config/i386/i386.c (enum ix86_builtins): Add
4084 IX86_BUILTIN_CVTPS2DQ512_MASK, IX86_BUILTIN_FLOORPS512,
4085 IX86_BUILTIN_FLOORPD512, IX86_BUILTIN_CEILPS512, IX86_BUILTIN_CEILPD512,
4086 IX86_BUILTIN_TRUNCPS512, IX86_BUILTIN_TRUNCPD512,
4087 IX86_BUILTIN_CVTPS2DQ512, IX86_BUILTIN_VEC_PACK_SFIX512,
4088 IX86_BUILTIN_FLOORPS_SFIX512, IX86_BUILTIN_CEILPS_SFIX512,
4089 IX86_BUILTIN_ROUNDPS_AZ_SFIX512.
4090 (builtin_description bdesc_args): Add __builtin_ia32_floorps512,
4091 __builtin_ia32_ceilps512, __builtin_ia32_truncps512,
4092 __builtin_ia32_floorpd512, __builtin_ia32_ceilpd512,
4093 __builtin_ia32_truncpd512, __builtin_ia32_cvtps2dq512,
4094 __builtin_ia32_vec_pack_sfix512, __builtin_ia32_roundps_az_sfix512,
4095 __builtin_ia32_floorps_sfix512, __builtin_ia32_ceilps_sfix512.
4096 Change IX86_BUILTIN_CVTPS2DQ512 to IX86_BUILTIN_CVTPS2DQ512_MASK for
4097 __builtin_ia32_cvtps2dq512_mask.
4098 (ix86_expand_args_builtin): Handle V8DF_FTYPE_V8DF_ROUND,
4099 V16SF_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF.
4100 (ix86_builtin_vectorized_function): Handle builtins mentioned above.
4101 * config/i386/sse.md
4102 (<mask_codefor>avx512f_fix_notruncv16sfv16si<mask_name><round_name>):
4104 (avx512f_fix_notruncv16sfv16si<mask_name><round_name>): ... this.
4105 (<mask_codefor>avx512f_cvtpd2dq512<mask_name><round_name>): Rename
4107 (avx512f_cvtpd2dq512<mask_name><round_name>): ... this.
4108 (avx512f_vec_pack_sfix_v8df): New define_expand.
4109 (avx512f_roundpd512): Rename to ...
4110 (avx512f_round<castmode>512): ... this. Change iterator.
4111 (avx512f_roundps512_sfix): New define_expand.
4112 (round<mode>2_sfix): Change iterator.
4114 2016-05-25 Nick Clifton <nickc@redhat.com>
4116 * config/msp430/msp430.c (msp430_attr): Produce an error if a
4117 static interrupt handler is detected.
4118 * config/msp430/msp430.h (LIB_SPEC): Do not use msp430.ld as the
4119 default linker script.
4120 * config/msp430/msp430.md (movpsihi2_lo): New pattern for loading
4121 the low part of a symbolic pointer.
4123 2016-05-25 Richard Biener <rguenther@suse.de>
4125 PR tree-optimization/71261
4126 * tree-if-conv.c (ifcvt_split_def_stmt): Walk uses on the
4127 interesting stmt instead of immediate uses when looking
4128 for the use operand to replace.
4130 2016-05-25 Martin Liska <mliska@suse.cz>
4132 * ipa-inline.c (edge_badness): Use 'w/' instead of 'w'.
4134 2016-05-25 Richard Biener <rguenther@suse.de>
4136 PR tree-optimization/71264
4137 * tree-vect-stmts.c (vect_init_vector): Properly deal with
4140 2016-05-25 Martin Liska <mliska@suse.cz>
4142 PR tree-optimization/71239
4143 * tree.c (array_at_struct_end_p): Do not call operand_equal_p
4144 if DECL_SIZE is NULL.
4146 2016-05-25 Richard Biener <rguenther@suse.de>
4148 * timevar.def (TV_TREE_LOOP_IFCVT): Add.
4149 * tree-if-conv.c (pass_data_if_conversion): Use it.
4151 2016-05-25 Bernd Edlinger <bernd.edlinger@hotmail.de>
4153 * cgraph.c (cgraph_node::get_availability): Fix typo in comment.
4154 * symtab.c (symtab_node::binds_to_current_def_p): Likewise.
4155 * varpool.c (varpool_node::get_availability): Likewise.
4157 2016-05-24 Michael Meissner <meissner@linux.vnet.ibm.com>
4159 * config/rs6000/altivec.md (VNEG iterator): New iterator for
4160 VNEGW/VNEGD instructions.
4161 (p9_neg<mode>2): New insns for ISA 3.0 VNEGW/VNEGD.
4162 (neg<mode>2): Add expander for V2DImode added in ISA 2.07, and
4163 support for ISA 3.0 VNEGW/VNEGD instructions.
4165 2016-05-24 Cesar Philippidis <cesar@codesourcery.com>
4167 * gimplify.c (omp_notice_variable): Use zero-length arrays for data
4168 pointers inside OACC_DATA regions.
4169 (gimplify_scan_omp_clauses): Prune firstprivate clause associated
4170 with OACC_DATA, OACC_ENTER_DATA and OACC_EXIT data regions.
4171 (gimplify_adjust_omp_clauses): Fix typo in comment.
4173 2016-05-24 Michael Meissner <meissner@linux.vnet.ibm.com>
4175 * config/rs6000/altivec.md (VParity): New mode iterator for vector
4176 parity built-in functions.
4177 (p9v_ctz<mode>2): Add support for ISA 3.0 vector count trailing
4179 (p9v_parity<mode>2): Likewise.
4180 * config/rs6000/vector.md (VEC_IP): New mode iterator for vector
4182 (ctz<mode>2): ISA 3.0 expander for vector count trailing zeros.
4183 (parity<mode>2): ISA 3.0 expander for vector parity.
4184 * config/rs6000/rs6000-builtin.def (BU_P9_MISC_1): New macros for
4186 (BU_P9_64BIT_MISC_0): Likewise.
4187 (BU_P9_MISC_0): Likewise.
4188 (BU_P9V_AV_1): Likewise.
4189 (BU_P9V_AV_2): Likewise.
4190 (BU_P9V_AV_3): Likewise.
4191 (BU_P9V_AV_P): Likewise.
4192 (BU_P9V_VSX_1): Likewise.
4193 (BU_P9V_OVERLOAD_1): Likewise.
4194 (BU_P9V_OVERLOAD_2): Likewise.
4195 (BU_P9V_OVERLOAD_3): Likewise.
4196 (VCTZB): Add vector count trailing zeros support.
4200 (VPRTYBD): Add vector parity support.
4201 (VPRTYBQ): Likewise.
4202 (VPRTYBW): Likewise.
4203 (VCTZ): Add overloaded vector count trailing zeros support.
4204 (VPRTYB): Add overloaded vector parity support.
4205 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
4206 overloaded vector count trailing zeros and parity instructions.
4207 * config/rs6000/rs6000.md (wd mode attribute): Add V1TI and TI for
4208 vector parity support.
4209 * config/rs6000/altivec.h (vec_vctz): Add ISA 3.0 vector count
4210 trailing zeros support.
4211 (vec_cntlz): Likewise.
4212 (vec_vctzb): Likewise.
4213 (vec_vctzd): Likewise.
4214 (vec_vctzh): Likewise.
4215 (vec_vctzw): Likewise.
4216 (vec_vprtyb): Add ISA 3.0 vector parity support.
4217 (vec_vprtybd): Likewise.
4218 (vec_vprtybw): Likewise.
4219 (vec_vprtybq): Likewise.
4220 * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
4221 the ISA 3.0 vector count trailing zeros and vector parity built-in
4224 2016-05-24 Kugan Vivekanandarajah <kuganv@linaro.org>
4226 * tree-ssa-reassoc.c (sort_by_operand_rank): Skip checking gimple_bb
4227 when there is stmt_to_insert.
4229 2016-05-24 Martin Sebor <msebor@redhat.com>
4232 * tree.h (complete_or_array_type_p): New inline function.
4234 2016-05-24 Jakub Jelinek <jakub@redhat.com>
4236 * config/i386/i386.h (TARGET_AVOID_4BYTE_PREFIXES): Define.
4237 * config/i386/constraints.md (Yr): Test TARGET_AVOID_4BYTE_PREFIXES
4238 rather than X86_TUNE_AVOID_4BYTE_PREFIXES.
4240 * config/i386/sse.md (<sse4_1>_round<ssemodesuffix><avxsizesuffix>):
4241 Limit 1st alternative to noavx isa, split 2nd alternative into one
4242 noavx and one avx alternative, use *x and Bm in the former and
4243 x and m in the latter.
4245 * config/i386/sse.md (vec_set<mode>_0): Use sse4_noavx isa instead
4246 of sse4 for the first alternative, drop %v from the template
4247 and d operand modifier. Split second alternative into one sse4_noavx
4248 and one avx alternative, use *x instead of *v in the former and v
4249 instead of *v in the latter.
4250 (*sse4_1_extractps): Use noavx isa instead of * for the first
4251 alternative, drop %v from the template. Split second alternative into
4252 one noavx and one avx alternative, use *x instead of *v in the
4253 former and v instead of *v in the latter.
4254 (<vi8_sse4_1_avx2_avx512>_movntdqa): Guard the first 2 alternatives
4255 with noavx and the last one with avx.
4256 (sse4_1_phminposuw): Guard first alternative with noavx isa,
4257 split the second one into one noavx and one avx alternative,
4258 use *x and Bm in the former and x and m in the latter one.
4259 (<sse4_1>_ptest<mode>): Use noavx instead of * for the first two
4262 * config/i386/sse.md (sse4_1_<code>v8qiv8hi2<mask_name>): Limit
4263 first two alternatives to noavx, use *x instead of *v in the second
4264 one, add avx alternative without *.
4265 (sse4_1_<code>v4qiv4si2<mask_name>, sse4_1_<code>v4hiv4si2<mask_name>,
4266 sse4_1_<code>v2qiv2di2<mask_name>, sse4_1_<code>v2hiv2di2<mask_name>,
4267 sse4_1_<code>v2siv2di2<mask_name>): Likewise.
4269 2016-05-24 Jeff Law <law@redhat.com>
4271 * tree-ssa-threadbackwards.c (convert_and_register_jump_thread_path):
4272 New function, extracted from...
4273 (fsm_find_control_statement_thread_paths): Here. Use the new function.
4274 Allow simple copies and constant initializations in the SSA chain.
4276 2016-05-24 Marek Polacek <polacek@redhat.com>
4279 * gimplify.c (gimplify_switch_expr): Look into the innermost lexical
4282 2016-05-24 Jakub Jelinek <jakub@redhat.com>
4285 * tree-vect-stmts.c (vectorizable_simd_clone_call): Handle
4286 SIMD_CLONE_ARG_TYPE_LINEAR_REF_CONSTANT_STEP like
4287 SIMD_CLONE_ARG_TYPE_LINEAR_CONSTANT_STEP. Add
4288 SIMD_CLONE_ARG_TYPE_LINEAR_VAL_CONSTANT_STEP and
4289 SIMD_CLONE_ARG_TYPE_LINEAR_UVAL_CONSTANT_STEP cases explicitly.
4291 2016-05-24 Richard Biener <rguenther@suse.de>
4293 PR tree-optimization/71240
4294 * tree-ssa-math-opts.c (init_symbolic_number): Verify the source
4297 2016-05-24 Richard Biener <rguenther@suse.de>
4299 PR tree-optimization/71230
4300 * tree-ssa-reassoc.c (zero_one_operation): Handle negate special ops.
4302 2016-05-24 Richard Sandiford <richard.sandiford@arm.com>
4304 * tree-vectorizer.h (vectorizable_comparison): Delete.
4305 * tree-vect-loop.c (vectorizable_reduction): Remove redundant
4306 PURE_SLP_STMT check.
4307 * tree-vect-stmts.c (vectorizable_call): Likewise.
4308 (vectorizable_simd_clone_call): Likewise.
4309 (vectorizable_conversion): Likewise.
4310 (vectorizable_assignment): Likewise.
4311 (vectorizable_shift): Likewise.
4312 (vectorizable_operation): Likewise.
4313 (vectorizable_load): Likewise.
4314 (vectorizable_condition): Likewise.
4315 (vectorizable_store): Likewise. Assert that we don't have
4317 (vectorizable_comparison): Make static. Remove redundant
4318 PURE_SLP_STMT check.
4319 (vect_transform_stmt): Assert that we always have an slp_node
4322 2016-05-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4324 * config/arm/neon.md (ashldi3_neon): Replace comparison of INTVAL of
4325 operands[2] against 1 with comparison against CONST1_RTX.
4326 (<shift>di3_neon): Likewise.
4327 * config/arm/predicates.md (const0_operand): Replace with comparison
4330 2016-05-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4332 * config/arm/arm.md (ashldi3): Replace comparison of INTVAL of
4333 operands[2] against 1 with comparison against CONST1_RTX.
4334 (ashrdi3): Likewise.
4335 (lshrdi3): Likewise.
4336 (ashlsi3): Replace cast of INTVAL to unsigned HOST_WIDE_INT with
4338 (ashrsi3): Likewise.
4339 (lshrsi3): Likewise.
4340 (rotrsi3): Likewise.
4341 (define_split above *compareqi_eq0): Likewise.
4342 (define_split above "prologue"): Likewise.
4343 * config/arm/arm.c (thumb1_size_rtx_costs): Likewise.
4344 * config/arm/predicates.md (shift_operator): Likewise.
4345 (shift_nomul_operator): Likewise.
4346 (sat_shift_operator): Likewise.
4347 (thumb1_cmp_operand): Likewise.
4348 (const_neon_scalar_shift_amount_operand): Replace manual range
4349 check with IN_RANGE.
4350 * config/arm/thumb1.md (define_peephole2 above *thumb_subdi3):
4351 Replace cast of INTVAL to unsigned HOST_WIDE_INT with UINTVAL.
4353 2016-05-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4355 * config/arm/arm.md (andsi3): Replace cast of 1 to HOST_WIDE_INT
4356 with HOST_WIDE_INT_1.
4358 * config/arm/arm.c (optimal_immediate_sequence): Replace cast of
4359 1 to unsigned HOST_WIDE_INT with HOST_WIDE_INT_1U.
4360 (arm_canonicalize_comparison): Likewise.
4361 (thumb1_rtx_costs): Replace cast of 1 to HOST_WIDE_INT with
4363 (thumb1_size_rtx_costs): Likewise.
4364 (vfp_const_double_index): Replace cast of 1 to unsigned
4365 HOST_WIDE_INT with HOST_WIDE_INT_1U.
4366 (get_jump_table_size): Replace cast of 1 to HOST_WIDE_INT with
4368 (arm_asan_shadow_offset): Replace cast of 1 to unsigned
4369 HOST_WIDE_INT with HOST_WIDE_INT_1U.
4370 * config/arm/neon.md (vec_set<mode>): Replace cast of 1 to
4371 HOST_WIDE_INT with HOST_WIDE_INT_1.
4373 2016-05-24 Marek Polacek <polacek@redhat.com>
4375 * tree-cfg.h (should_remove_lhs_p): New predicate.
4376 * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Use it.
4377 * gimplify.c (gimplify_modify_expr): Likewise.
4378 * tree-cfg.c (verify_gimple_call): Likewise.
4379 * tree-cfgcleanup.c (fixup_noreturn_call): Likewise.
4380 * gimple-fold.c: Include "tree-cfg.h".
4381 (gimple_fold_call): Use should_remove_lhs_p.
4383 2016-05-24 Richard Biener <rguenther@suse.de>
4385 PR tree-optimization/71253
4386 * cfganal.h (control_dependences): Make robust against edge
4388 (control_dependences::control_dependences): Remove edge_list argument.
4389 (control_dependences::get_edge): Remove.
4390 (control_dependences::get_edge_src): Add.
4391 (control_dependences::get_edge_dest): Likewise.
4392 (control_dependences::m_el): Make a vector of edge src/dest index.
4393 * cfganal.c (control_dependences::find_control_dependence): Adjust.
4394 (control_dependences::control_dependences): Likewise.
4395 (control_dependences::~control_dependence): Likewise.
4396 (control_dependences::get_edge): Remove.
4397 (control_dependences::get_edge_src): Add.
4398 (control_dependences::get_edge_dest): Likewise.
4399 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Use
4401 (perform_tree_ssa_dce): Adjust.
4402 * tree-loop-distribution.c (create_edge_for_control_dependence): Use
4404 (pass_loop_distribution::execute): Adjust. Do loop destroying
4405 conditional on changed.
4407 2016-05-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4410 * config/arm/arm.c (gen_operands_ldrd_strd): Remove bogus early
4411 return. Reindent transformation comment and mention the ARM state
4414 2016-05-24 Kugan Vivekanandarajah <kuganv@linaro.org>
4417 * tree-ssa-reassoc.c (rewrite_expr_tree_parallel): Add stmt_to_insert
4418 after build_and_add_sum creates new use stmt.
4420 2016-05-24 Richard Sandiford <richard.sandiford@arm.com>
4422 * tree-vect-stmts.c (vectorizable_load): Reorder checks so that
4423 load_lanes/grouped_load classification comes first. Don't check
4424 whether the vectorization factor is a multiple of the group size
4427 2016-05-24 Richard Sandiford <richard.sandiford@arm.com>
4429 * tree-vect-data-refs.c (vect_analyze_group_access_1): Set
4430 GROUP_GAP for single-element interleaving.
4431 * tree-vect-stmts.c (vectorizable_load): Remove force_peeling
4434 2016-05-24 Richard Biener <rguenther@suse.de>
4438 * tree-ssa.c (non_rewritable_mem_ref_base): Make sure to mark
4439 bases which are accessed with non-invariant indices.
4440 * gimple-fold.c (maybe_canonicalize_mem_ref_addr): Re-write
4441 constant index ARRAY_REFs of vectors into BIT_FIELD_REFs.
4443 2016-05-24 Kugan Vivekanandarajah <kuganv@linaro.org>
4446 * tree-ssa-reassoc.c (struct operand_entry): Add field stmt_to_insert.
4447 (add_to_ops_vec): Add stmt_to_insert.
4448 (add_repeat_to_ops_vec): Init stmt_to_insert.
4449 (insert_stmt_before_use): New.
4450 (transform_add_to_multiply): Remove mult_stmt insertion and add it
4452 (get_ops): Init stmt_to_insert.
4453 (maybe_optimize_range_tests): Likewise.
4454 (rewrite_expr_tree): Insert stmt_to_insert before use stmt.
4455 (rewrite_expr_tree_parallel): Likewise.
4456 (reassociate_bb): Likewise.
4458 2016-05-23 Michael Meissner <meissner@linux.vnet.ibm.com>
4461 * config/rs6000/altivec.md (altivec_vperm_<mode>_internal): Drop
4462 ISA 3.0 xxperm fusion alternative.
4463 (altivec_vperm_v8hiv16qi): Likewise.
4464 (altivec_vperm_<mode>_uns_internal): Likewise.
4465 (vperm_v8hiv4si): Likewise.
4466 (vperm_v16qiv8hi): Likewise.
4468 2016-05-23 Michael Meissner <meissner@linux.vnet.ibm.com>
4469 Kelvin Nilsen <kelvin@gcc.gnu.org>
4471 * config/rs6000/rs6000.c (rs6000_expand_vector_set): Generate
4472 vpermr/xxpermr on ISA 3.0.
4473 (altivec_expand_vec_perm_le): Likewise.
4474 * config/rs6000/altivec.md (UNSPEC_VPERMR): New unspec.
4475 (altivec_vpermr_<mode>_internal): Add VPERMR/XXPERMR support for
4478 2016-05-23 Uros Bizjak <ubizjak@gmail.com>
4480 * config/i386/i386.h (IS_STACK_MODE): Enable for
4481 TARGET_MIX_SSE_I387. Rewrite using X87_FLOAT_MODE_P and
4482 SSE_FLOAT_MODE_P macros.
4483 * config/i386/i386.c (ix86_preferred_reload_class): Use
4484 IS_STACK_MODE, INTEGER_CLASS_P, FLOAT_CLASS_P and Q_CLASS_P macros.
4485 Cleanup regclass processing for CONST_DOUBLE_P.
4486 (ix86_preferred_output_reload_class): Use IS_STACK_MODE macro.
4487 (ix86_rtx_costs): Remove redundant TARGET_80387 check
4488 with IS_STACK_MODE macro.
4489 * config/i386/i386.md: Replace SSE_FLOAT_MODE_P (DFmode)
4491 (*movdf_internal): Use IS_STACK_MODE macro.
4492 (*movsf_internal): Ditto.
4494 2016-05-23 Marc Glisse <marc.glisse@inria.fr>
4496 * match.pd (a * (1 << b), ~x & ~y, ~X ^ ~Y, (X ^ Y) ^ Y, ~ (-A),
4497 ~ (A - 1), ~(~X >> Y), ~(~X >>r Y)): Relax constraints.
4499 2016-05-23 Jeff Law <law@redhat.com>
4501 * tree-ssa-threadbackward.c (profitable_jump_thread_path): New function
4503 (fsm_find_control_statement_thread_paths): Call it.
4505 2016-05-23 Martin Jambor <mjambor@suse.cz>
4508 * ipa-cp.c (ipa_get_indirect_edge_target_1): Only check value of
4509 from_global_constant if t is not NULL.
4511 2016-05-23 Marek Polacek <polacek@redhat.com>
4514 * common.opt (Wswitch-unreachable): New option.
4515 * doc/invoke.texi: Document -Wswitch-unreachable.
4516 * gimplify.c (gimplify_switch_expr): Implement the -Wswitch-unreachable
4519 2016-05-23 Bin Cheng <bin.cheng@arm.com>
4521 * tree-ssa-address.c (copy_ref_info): Check NULL TMR_STEP when
4522 TMR_INDEX is non-NULL.
4524 2016-05-23 Richard Biener <rguenther@suse.de>
4526 PR tree-optimization/71230
4527 * tree-ssa-reassoc.c (acceptable_pow_call): Move initial condition...
4528 (try_special_add_to_ops): ... here. Always test for single-use.
4530 2016-05-23 Martin Jambor <mjambor@suse.cz>
4532 * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Create an empty
4533 default block if a PHI node in the original one would be resized.
4535 2016-05-23 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
4537 PR tree-optimization/58135
4538 * tree-vect-slp.c: When group size is not multiple
4539 of vector size, allow splitting of store group at
4542 2016-05-23 Christophe Lyon <christophe.lyon@linaro.org>
4544 * config/arm/arm_neon.h (vtst_p16, vtstq_p16): New.
4546 2016-05-22 Jakub Jelinek <jakub@redhat.com>
4548 * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
4549 vec_set_hi_<mode><mask_name>): Add && <mask_avx512dq_condition>
4550 condition. For !TARGET_AVX512DQ, emit 32x4 instruction instead
4553 * config/i386/sse.md (vec_set_lo_v16hi, vec_set_hi_v16hi,
4554 vec_set_lo_v32qi, vec_set_hi_v32qi): Add alternative with
4555 v constraint instead of x and vinserti32x4 insn.
4557 * config/i386/sse.md (i128vldq): New mode iterator.
4558 (avx2_vbroadcasti128_<mode>, avx_vbroadcastf128_<mode>): Add
4559 avx512dq and avx512vl alternatives.
4561 * config/i386/sse.md (avx2_vec_dupv4df): Use v instead of x
4562 constraint, use maybe_evex prefix instead of vex.
4563 (vec_dupv4sf): Use v constraint instead of x for output
4564 operand except for noavx alternative, use Yv constraint
4565 instead of x for input. Use maybe_evex prefix instead of vex.
4566 (*vec_dupv4si): Likewise.
4567 (*vec_dupv2di): Likewise.
4569 2016-05-22 Kugan Vivekanandarajah <kuganv@linaro.org>
4572 * tree-ssa-reassoc.c (try_special_add_to_ops): New.
4573 (linearize_expr_tree): Call try_special_add_to_ops.
4574 (reassociate_bb): Convert MULT_EXPR by (-1) to NEGATE_EXPR.
4576 2016-05-21 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
4578 * config/avr/avr.c (avr_expand_prologue): Add INCOMING_FRAME_SP_OFFSET
4579 to computed stack_usage.
4581 2016-05-21 Pitchumani Sivanupandi <pitchumani.s@atmel.com>
4584 * config/avr/avr.md (define_expand "mov<mode>"): If the source
4585 operand is subreg (symbol_ref) then move the symbol ref to register.
4587 2016-05-21 Jan Hubicka <hubicka@ucw.cz>
4589 * tree.c (array_at_struct_end_p): Look through MEM_REF.
4591 2016-05-21 Kugan Vivekanandarajah <kuganv@linaro.org>
4594 * tree-ssa-reassoc.c (transform_add_to_multiply): Disallow float
4597 2016-05-20 Eric Botcazou <ebotcazou@adacore.com>
4599 * tree-vrp.c (compare_values_warnv): Simplify handling of symbolic
4600 ranges by calling get_single_symbol and tidy up. Look more closely
4601 into NAME + CST1 vs CST2 comparisons if type overflow is undefined.
4603 2016-05-20 Jeff Law <law@redhat.com>
4605 * bitmap.c (bitmap_find_bit): Remove useless test.
4607 2016-05-20 Segher Boessenkool <segher@kernel.crashing.org>
4609 * function.c (thread_prologue_and_epilogue_insns): Commit the
4610 insertion of the epilogue.
4612 2016-05-20 Martin Jambor <mjambor@suse.cz>
4614 PR tree-optimization/70884
4615 * tree-sra.c (initialize_constant_pool_replacements): Do not check
4616 should_scalarize_away_bitmap and cannot_scalarize_away_bitmap bits.
4617 (sort_and_splice_var_accesses): Do not consider multiple scalar reads
4618 of constant pool data as a reason for scalarization.
4620 2016-05-20 Eric Botcazou <ebotcazou@adacore.com>
4622 * config/arm/arm.c (arm_expand_prologue): Set the stack usage to 0
4623 for naked functions.
4624 (thumb1_expand_prologue): Likewise.
4626 2016-05-20 Nathan Sidwell <nathan@acm.org>
4628 * config/nvptx/nptx.c (nvptx_option_override): Only set
4629 flag_toplevel_reorder, if not explicitly specified. Set
4630 flag_no_common, unless explicitly specified.
4632 2016-05-20 David Malcolm <dmalcolm@redhat.com>
4634 * calls.c (can_implement_as_sibling_call_p): Mark param
4635 reg_parm_stack_space with ATTRIBUTE_UNUSED.
4637 2016-05-20 Uros Bizjak <ubizjak@gmail.com>
4639 * config/i386/i386.c (ix86_rtx_costs) <case CONST_DOUBLE>:
4640 Use IS_STACK_MODE when calculating cost of standard 80387 constants.
4641 Fallthru to CONST_VECTOR case to calculate cost of standard SSE
4643 <case CONST_WIDE_INT>: Calculate cost of (MEM (SYMBOL_REF)).
4644 (ix86_legitimate_constant_p): Use CASE_CONST_SCALAR_INT
4647 2016-05-20 Cesar Philippidis <cesar@codesourcery.com>
4649 * config/nvptx/nvptx.md (sincossf3): New pattern.
4651 2016-05-20 David Malcolm <dmalcolm@redhat.com>
4653 * calls.c (maybe_complain_about_tail_call): New function.
4654 (initialize_argument_information): Call
4655 maybe_complain_about_tail_call when clearing *may_tailcall.
4656 (can_implement_as_sibling_call_p): Call
4657 maybe_complain_about_tail_call when returning false.
4658 (expand_call): Read CALL_EXPR_MUST_TAIL_CALL and, if set,
4659 ensure try_tail_call is set. Call maybe_complain_about_tail_call
4660 if tail-call optimization fails.
4661 * cfgexpand.c (expand_call_stmt): Initialize
4662 CALL_EXPR_MUST_TAIL_CALL from gimple_call_must_tail_p.
4663 * gimple-pretty-print.c (dump_gimple_call): Dump
4664 gimple_call_must_tail_p.
4665 * gimple.c (gimple_build_call_from_tree): Call
4666 gimple_call_set_must_tail with the value of
4667 CALL_EXPR_MUST_TAIL_CALL.
4668 * gimple.h (enum gf_mask): Add GF_CALL_MUST_TAIL_CALL.
4669 (gimple_call_set_must_tail): New function.
4670 (gimple_call_must_tail_p): New function.
4671 * print-tree.c (print_node): Update printing of TREE_STATIC
4672 to reflect its use for CALL_EXPR_MUST_TAIL_CALL.
4673 * tree-core.h (struct tree_base): Add MUST_TAIL_CALL to the
4674 trailing comment listing applicable flags.
4675 * tree.h (CALL_EXPR_MUST_TAIL_CALL): New macro.
4677 2016-05-20 David Malcolm <dmalcolm@redhat.com>
4679 * calls.c (expand_call): Move "Rest of purposes for tail call
4680 optimizations to fail" to...
4681 (can_implement_as_sibling_call_p): ...this new function, and
4682 split into multiple "if" statements.
4684 2016-05-20 Jan Hubicka <hubicka@ucw.cz>
4686 * cfgloop.h (expected_loop_iterations_unbounded,
4687 expected_loop_iterations): Unconstify.
4688 * cfgloopanal.c (expected_loop_iterations_unbounded): Sanity check the
4689 profile with known upper bound; return 3 when profile is absent.
4690 (expected_loop_iterations): Update.
4692 2016-05-20 Jan Hubicka <hubicka@ucw.cz>
4694 * loop-doloop.c (doloop_optimize): Use get_estimated_loop_iterations_int
4695 and get_max_loop_iterations_int.
4697 2016-05-20 Jan Hubicka <hubicka@ucw.cz>
4699 * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can not produce
4700 realistic upper bounds here.
4702 2016-05-20 Jakub Jelinek <jakub@redhat.com>
4705 * gimple-fold.c (gimple_fold_call): Do not remove lhs of noreturn
4706 calls if the LHS is variable length or has addressable type.
4707 If targets[0]->decl is a noreturn call with void return type and
4708 zero arguments, adjust fntype and remove lhs in that case.
4710 2016-05-20 Marc Glisse <marc.glisse@inria.fr>
4712 PR tree-optimization/71079
4713 PR tree-optimization/71206
4714 * match.pd ((X ^ Y) ^ (X ^ Z)): Convert the arguments.
4716 2016-05-20 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
4718 * tree-vectorizer.c (get_vec_alignment_for_decl): New static function.
4719 (get_vec_alignment_for_array_decl): Likewise.
4720 (get_vec_alignment_for_record_decl): Likewise.
4721 (increase_alignment::execute): Move code to find alignment to
4722 get_vec_alignment_for_array_decl and call get_vec_alignment_for_decl.
4723 (type_align_map): New hash_map.
4725 2016-05-20 Richard Guenther <rguenther@suse.de>
4727 PR tree-optimization/29756
4728 * tree.def (BIT_INSERT_EXPR): New tcc_expression tree code.
4729 * expr.c (expand_expr_real_2): Handle BIT_INSERT_EXPR.
4730 * fold-const.c (operand_equal_p): Likewise.
4731 (fold_ternary_loc): Add constant folding of BIT_INSERT_EXPR.
4732 * gimplify.c (gimplify_expr): Handle BIT_INSERT_EXPR.
4733 * tree-inline.c (estimate_operator_cost): Likewise.
4734 * tree-pretty-print.c (dump_generic_node): Likewise.
4735 * tree-ssa-operands.c (get_expr_operands): Likewise.
4736 * cfgexpand.c (expand_debug_expr): Likewise.
4737 * gimple-pretty-print.c (dump_ternary_rhs): Likewise.
4738 * gimple.c (get_gimple_rhs_num_ops): Handle BIT_INSERT_EXPR.
4739 * tree-cfg.c (verify_gimple_assign_ternary): Verify BIT_INSERT_EXPR.
4740 * tree-ssa.c (non_rewritable_lvalue_p): We can rewrite
4741 vector inserts using BIT_FIELD_REF or MEM_REF on the lhs.
4742 (execute_update_addresses_taken): Do it.
4744 2016-05-20 Richard Biener <rguenther@suse.de>
4746 PR tree-optimization/71185
4747 * tree-ssa-loop-prefetch.c (gather_memory_references): Drop
4748 register operations.
4750 2016-05-20 Richard Biener <rguenther@suse.de>
4752 * tree-if-conv.c (add_bb_predicate_gimplified_stmts): Use
4753 gimple_seq_add_seq_without_update.
4754 (release_bb_predicate): Assert we have no operands to free.
4755 (if_convertible_loop_p_1): Calculate post dominators later.
4756 Do not free BB predicates here.
4757 (combine_blocks): Do not recompute BB predicates.
4758 (version_loop_for_if_conversion): Save BB predicates around
4761 2016-05-19 Segher Boessenkool <segher@kernel.crashing.org>
4763 * function.c (make_epilogue_seq): Remove epilogue_end parameter.
4764 (thread_prologue_and_epilogue_insns): Remove bb_flags. Restructure
4765 code. Ignore sibcalls on EDGE_IGNORE edges.
4766 * shrink-wrap.c (handle_simple_exit): New function. Set EDGE_IGNORE
4767 on edges for sibcalls that run without prologue. The rest of the
4768 function is combined from...
4769 (fix_fake_fallthrough_edge): ... this, and ...
4770 (try_shrink_wrapping): ... a part of this. Remove the bb_with
4771 function argument, make it a local variable.
4773 2016-05-19 Sandra Loosemore <sandra@codesourcery.com>
4775 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Allow
4776 --disable-sjlj-exceptions for TARGET_BI_ARCH to select DWARF-2 EH
4777 for 32-bit mode and SEH for 64-bit.
4778 * config/i386/mingw32.h (SHARED_LIBGCC_UNDEFS_SPEC): Handle
4779 TARGET_64BIT_DEFAULT.
4781 2016-05-19 Ryan Burn <contact@rnburn.com>
4783 * Makefile.in (GTFILES): Add cilk.h and cilk-common.c.
4784 * gengtype.c (open_base_files): Add cilk.h to ifiles.
4786 2016-05-19 Uros Bizjak <ubizjak@gmail.com>
4788 * sched-deps.c (sched_analyze_2) <case TRAP_IF>: Also
4789 force pending loads from memory.
4791 2016-05-19 Kelvin Nilsen <kelvin@gcc.gnu.org>
4793 * config/rs6000/altivec.md (UNSPEC_DARN): New unspec constant.
4794 (UNSPEC_DARN_32): New unspec constant.
4795 (UNSPEC_DARN_RAW): New unspec constant.
4796 (darn_32): New instruction.
4797 (darn_raw): New instruction.
4798 (darn): New instruction.
4799 * config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_0): Add
4800 support and documentation for this macro.
4801 (BU_P9_MISC_1): New macro definition.
4802 (BU_P9_64BIT_MISC_0): New macro definition.
4803 (BU_P9_MISC_0): New macro definition.
4804 (darn_32): New builtin definition.
4805 (darn_raw): New builtin definition.
4806 (darn): New builtin definition.
4807 * config/rs6000/rs6000.c: Add #define RS6000_BUILTIN_0 and #undef
4808 RS6000_BUILTIN_0 directives to surround each occurrence of
4809 #include "rs6000-builtin.def".
4810 (rs6000_builtin_mask_calculate): Add in the RS6000_BTM_MODULO and
4811 RS6000_BTM_64BIT flags to the returned mask, depending on
4813 (def_builtin): Correct an error in the assignments made to the
4814 debugging variable attr_string.
4815 (rs6000_expand_builtin): Add support for no-operand built-in
4817 (builtin_function_type): Remove fatal_error assertion that is no
4819 (rs6000_common_init_builtins): Add support for no-operand built-in
4821 * config/rs6000/rs6000.h (RS6000_BTM_MODULO): New macro
4823 (RS6000_BTM_PURE): Enhance comment to clarify intent of this flag
4825 (RS6000_BTM_64BIT): New macro definition.
4826 * doc/extend.texi: Document __builtin_darn (void),
4827 __builtin_darn_raw (void), and __builtin_darn_32 (void) built-in
4830 2016-05-19 Jan Hubicka <hubicka@ucw.cz>
4832 * tree-vect-loop.c (vect_analyze_loop_2): Use also
4833 max_loop_iterations_int.
4835 2016-05-19 Marek Polacek <polacek@redhat.com>
4837 PR tree-optimization/71031
4838 * tree-vrp.c (extract_range_from_binary_expr_1): Turn assert into a
4839 condition and adjust the code a bit.
4841 2016-05-19 Martin Liska <mliska@suse.cz>
4843 * tree-vect-stmts.c (vectorizable_simd_clone_call): Utilize
4844 auto_vec instead of vec.
4846 2016-05-19 Martin Liska <mliska@suse.cz>
4848 * tree-parloops.c (oacc_entry_exit_ok): Release a vector.
4850 2016-05-19 Martin Liska <mliska@suse.cz>
4852 * tree-if-conv.c (ifcvt_repair_bool_pattern): Utilize auto_vecs.
4854 2016-05-19 Martin Liska <mliska@suse.cz>
4856 * ipa-pure-const.c (set_function_state): Remove an existing
4858 (remove_node_data): Do not free it as it's released
4859 in set_function_state.
4861 2016-05-19 Martin Liska <mliska@suse.cz>
4863 * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Release
4866 2016-05-19 Martin Liska <mliska@suse.cz>
4868 * omp-simd-clone.c (simd_clone_adjust): Release vector.
4870 2016-05-19 Martin Liska <mliska@suse.cz>
4872 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Truncate
4873 an auto_vec instead of re-creating it.
4875 2016-05-19 Martin Liska <mliska@suse.cz>
4877 * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Use
4878 auto_vec instead of vec.
4880 2016-05-19 Martin Liska <mliska@suse.cz>
4882 * lto-section-in.c (lto_get_section_data): Call
4883 lto_check_version with additional argument.
4884 * lto-streamer.c (lto_check_version): Add new argument.
4885 * lto-streamer.h (lto_check_version): Likewise.
4887 2016-05-19 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4889 * config/arm/arm.c (arm_new_rtx_costs, SIGN_EXTEND case):
4890 Don't add cost of inner memory when handling sign-extended loads.
4892 2016-05-19 Ilya Enkovich <ilya.enkovich@intel.com>
4894 PR rtl-optimization/71148
4895 * cse.c (cse_main): Free dominance info.
4896 (rest_of_handle_cse): Don't free dominance info.
4897 (rest_of_handle_cse2): Likewise.
4898 (rest_of_handle_cse_after_global_opts): Likewise.
4900 2016-05-19 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4903 * config/arm/arm-builtins.c (arm_builtin_vectorized_function): Return
4904 NULL_TREE early if NEON is not available. Remove now redundant check
4905 in ARM_CHECK_BUILTIN_MODE.
4907 2016-05-19 Maxim Ostapenko <m.ostapenko@samsung.com>
4910 * cppbuiltin.c (define_builtin_macros_for_compilation_flags): Add new
4911 builtin __SANITIZE_THREAD__ macros for fsanitize=thread switch.
4912 * doc/cpp.texi: Document new macros.
4914 2016-05-19 Bin Cheng <bin.cheng@arm.com>
4916 PR tree-optimization/69848
4917 * tree-vect-loop.c (vectorizable_reduction): Don't factor
4918 comparison expr out of VEC_COND_EXPR for COND_REDUCTION.
4920 2016-05-19 Segher Boessenkool <segher@kernel.crashing.org>
4922 * function.c (thread_prologue_and_epilogue_insn): Move the
4923 "goto epilogue_done" one block later.
4925 2016-05-19 Richard Biener <rguenther@suse.de>
4927 PR tree-optimization/70729
4928 * passes.def: Move LIM pass before PRE. Remove no longer
4929 required copyprop and move first DCE out of the loop pipeline.
4931 2016-05-18 David Malcolm <dmalcolm@redhat.com>
4934 * Makefile.in (GCC_OBJS): Move spellcheck.o to...
4935 (OBJS-libcommon-target): ...here.
4936 * opts-common.c: Include spellcheck.h.
4937 (cmdline_handle_error): Build a vec of valid options and use it
4938 to suggest provide hints for misspelled arguments.
4940 2016-05-18 Jakub Jelinek <jakub@redhat.com>
4943 * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Don't drop
4944 lhs if it has TREE_ADDRESSABLE type.
4946 2016-05-18 Uros Bizjak <ubizjak@gmail.com>
4949 * config/alpha/alpha.md (trap): Add (use (reg:DI 29)).
4950 (*exception_receiver_1): Return "#" for TARGET_EXPLICIT_RELOCS.
4952 2016-05-18 Martin Jambor <mjambor@suse.cz>
4955 * ipa-cp.c (ipa_get_jf_pass_through_result): Allow non-ip constant
4956 input for NOP_EXPR pass-through functions.
4957 * ipa-prop.c (ipa_compute_jump_functions_for_edge): Allow
4958 aggregate global constant VAR_DECLs in constant jump functions.
4960 2016-05-18 Martin Jambor <mjambor@suse.cz>
4963 * ipa-prop.c (parm_preserved_before_stmt_p): Return true for loads
4964 from TREE_READONLY parameters.
4966 2016-05-18 Martin Jambor <mjambor@suse.cz>
4969 * cgraph.h (cgraph_indirect_call_info): New field
4970 guaranteed_unmodified.
4971 * ipa-cp.c (ipa_get_indirect_edge_target_1): Also pass parameter value
4972 to ipa_find_agg_cst_for_param, check guaranteed_unmodified when
4974 * ipa-inline-analysis.c (evaluate_conditions_for_known_args): Also
4975 pass the parameter value to ipa_find_agg_cst_for_param.
4976 * ipa-prop.c (ipa_load_from_parm_agg): New parameter
4977 guaranteed_unmodified, store AA results there instead of bailing out
4979 (ipa_note_param_call): Also initialize guaranteed_unmodified flag.
4980 (ipa_analyze_indirect_call_uses): Also set guaranteed_unmodified flag.
4981 (find_constructor_constant_at_offset): New function.
4982 (ipa_find_agg_cst_from_init): Likewise.
4983 (ipa_find_agg_cst_for_param): Also seearch for aggregate values in
4984 static initializers of contants, report back through a new paameter
4985 from_global_constant if that was the case.
4986 (try_make_edge_direct_simple_call): Also pass parameter value to
4987 ipa_find_agg_cst_for_param, check guaranteed_unmodified when
4989 (ipa_write_indirect_edge_info): Stream new flag guaranteed_unmodified.
4990 (ipa_read_indirect_edge_info): Likewise.
4991 * ipa-prop.h (ipa_find_agg_cst_for_param): Update declaration.
4992 (ipa_load_from_parm_agg): Likewise.
4994 2016-05-18 Jiong Wang <jiong.wang@arm.com>
4996 PR rtl-optimization/71150
4997 * lra-constraint (process_addr_reg): Guard "in_class_p" with REG_P
5000 2016-05-18 Michael Meissner <meissner@linux.vnet.ibm.com>
5003 * config/rs6000/constraints.md (wE constraint): New constraint
5004 for a vector constant that can be loaded with XXSPLTIB.
5005 (wM constraint): New constraint for a vector constant of a 1's.
5006 (wS constraint): New constraint for a vector constant that can be
5007 loaded with XXSPLTIB and a vector sign extend instruction.
5008 * config/rs6000/predicates.md (xxspltib_constant_split): New
5009 predicates for wE/wS constraints.
5010 (xxspltib_constant_nosplit): Likewise.
5011 (easy_vector_constant): Add support for constants that can be
5012 loaded via XXSPLTIB.
5013 (all_ones_constant): New predicate for vector constant with all
5015 (splat_input_operand): Add support for ISA 3.0 word splat operations.
5016 * config/rs6000/rs6000.c (xxspltib_constant_p): New function to
5017 return if a constant can be loaded with the ISA 3.0 XXSPLTIB
5018 instruction and possibly with a sign extension.
5019 (output_vec_const_move): Add support for XXSPLTIB. If we are
5020 loading up 0/-1 into Altivec registers, prefer using VSPLTISW
5021 instead of XXLXOR/XXLORC.
5022 (rs6000_expand_vector_init): Add support for ISA 3.0 word splat
5024 (rs6000_legitimize_reload_address): Likewise.
5025 (rs6000_output_move_128bit): Use output_vec_const_move to emit
5027 * config/rs6000/vsx.md (VSX_M): Add TImode (if -mvsx-timode) and
5028 combine VSX_M and VSX_M2 into one iterator.
5030 (VSINT_84): New iterators for loading constants with XXSPLTIB.
5031 (VSINT_842): Likewise.
5032 (UNSPEC_VSX_SIGN_EXTEND): New UNSPEC.
5033 (xxspltib_v16qi): New insns to load up constants with the ISA 3.0
5034 XXSPLTIB instruction.
5035 (xxspltib_<mode>_nosplit): Likewise.
5036 (xxspltib_<mode>_split): New insn to load up constants with
5037 XXSPLTIB and a sign extend instruction.
5038 (vsx_mov<mode>): Replace single move that handled all vector types
5039 with separate 32-bit and 64-bit moves. Combine the movti_<bit>
5040 moves (when -mvsx-timode is in effect) into the main vector
5041 moves. Eliminate separate moves for <VSr> <VSa>, where the
5042 preferred register class (<VSr>) is listed first, and the
5043 secondary register class (<VSa>) is listed second with a '?' to
5044 discourage use. Prefer loading 0/-1 in any VSX register for ISA
5045 3.0, and Altivec registers for ISA 2.06/2.07 (PR target/70915) so
5046 that if the register was involved in a slow operation, the
5047 clear/set operation does not wait for the slow operation to
5048 finish. Adjust the length attributes for 32-bit mode. Use
5049 rs6000_output_move_128bit and drop the use of the string
5050 instructions for 32-bit movti when -mvsx-timode is in effect. Use
5051 spacing so that the alternatives and attributes don't generate
5052 long lines, and put things in columns, so that it is easier to
5053 match up the operands and attributes with the insn alternatives.
5054 (vsx_mov<mode>_64bit): Likewise.
5055 (vsx_mov<mode>_32bit): Likewise.
5056 (vsx_movti_64bit): Fold movti into normal vector moves.
5057 (vsx_movti_32bit): Likewise.
5058 (vsx_splat_<mode>, V4SI/V4SF modes): Add support for ISA 3.0 word
5060 (vsx_splat_v4si_internal): Likewise.
5061 (vsx_splat_v4sf_internal): Likewise.
5062 (vector fusion peepholes): Use VSX_M instead of VSX_M2.
5063 (vsx_sign_extend_qi_<mode>): New ISA 3.0 instructions to sign
5064 extend vector elements.
5065 (vsx_sign_extend_hi_<mode>): Likewise.
5066 (vsx_sign_extend_si_v2di): Likewise.
5067 * config/rs6000/rs6000-protos.h (xxspltib_constant_p): Add
5069 * doc/md.texi (PowerPC constraints): Document the wE, wM, and wS
5070 constraints. Add trailing period to wL documentation.
5072 2016-05-18 Richard Sandiford <richard.sandiford@arm.com>
5075 * tree-dfa.h (replace_abnormal_ssa_names): Declare.
5076 * tree-dfa.c (replace_abnormal_ssa_names): New function.
5077 * tree-call-cdce.c: Include tree-dfa.h.
5078 (can_guard_call_p): New function, extracted from...
5079 (can_use_internal_fn): ...here.
5080 (shrink_wrap_one_built_in_call_with_conds): Remove failure path
5082 (shrink_wrap_one_built_in_call): Likewise.
5083 (use_internal_fn): Likewise.
5084 (shrink_wrap_conditional_dead_built_in_calls): Update accordingly
5085 and return void. Call replace_abnormal_ssa_names.
5086 (pass_call_cdce::execute): Check can_guard_call_p during the
5087 initial walk. Assume shrink_wrap_conditional_dead_built_in_calls
5088 will always change something.
5090 2016-05-18 Martin Jambor <mjambor@suse.cz>
5093 * ipa-prop.c (determine_locally_known_aggregate_parts): Bail out early
5094 if parameter PARAM_IPA_MAX_AGG_ITEMS is zero.
5096 2016-05-18 Martin Jambor <mjambor@suse.cz>
5099 * ipa-inline.h (condition): New field size.
5100 * ipa-inline-analysis.c (add_condition): New parameter SIZE, use it
5101 for comaprison and store it into the new condition.
5102 (evaluate_conditions_for_known_args): Use condition size to check
5103 access sizes for all but CHANGED conditions.
5104 (unmodified_parm_1): New parameter size_p, store access size into it.
5105 (unmodified_parm): Likewise.
5106 (unmodified_parm_or_parm_agg_item): Likewise.
5107 (eliminated_by_inlining_prob): Pass NULL to unmodified_parm as size_p.
5108 (set_cond_stmt_execution_predicate): Extract access sizes and store
5110 (set_switch_stmt_execution_predicate): Likewise.
5111 (will_be_nonconstant_expr_predicate): Likewise.
5112 (will_be_nonconstant_predicate): Likewise.
5113 (inline_read_section): Stream condition size.
5114 (inline_write_summary): Likewise.
5116 2016-05-18 Richard Biener <rguenther@suse.de>
5118 * tree-ssa-loop-im.c (determine_max_movement): Properly add
5119 condition cost to PHI cost instead of total_cost.
5121 2016-05-18 Martin Liska <mliska@suse.cz>
5124 * ipa-icf.c (sem_variable::merge): Set DECL_PT_UID for
5127 2016-05-18 Richard Biener <rguenther@suse.de>
5129 * lto-streamer.h (LTO_major_version): Bump to 6.
5131 2016-05-18 Segher Boessenkool <segher@kernel.crashing.org>
5133 * function.c (make_split_prologue_seq, make_prologue_seq,
5134 make_epilogue_seq): New functions, factored out from...
5135 (thread_prologue_and_epilogue_insns): Here.
5137 2016-05-18 Segher Boessenkool <segher@kernel.crashing.org>
5139 * function.c (rest_of_handle_thread_prologue_and_epilogue): Call
5140 cleanup_cfg with CLEANUP_EXPENSIVE after shrink-wrapping instead
5141 of before. Add a comment.
5143 2016-05-18 Bin Cheng <bin.cheng@arm.com>
5145 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Check invariant
5146 expression pointer, not pointer to the pointer.
5148 2016-05-18 Jakub Jelinek <jakub@redhat.com>
5150 * config/i386/sse.md (pbroadcast_evex_isa): New mode attr.
5151 (avx2_pbroadcast<mode>): Add another alternative with v instead
5152 of x constraints in it, using <pbroadcast_evex_isa> isa.
5153 (avx2_pbroadcast<mode>_1): Similarly, add two such alternatives.
5155 * config/i386/sse.md (<ssse3_avx2>_palignr<mode>): Use
5156 constraint x instead of v in second alternative, add avx512bw
5159 * config/i386/sse.md (<ssse3_avx2>_pshufb<mode>3<mask_name>): Use
5160 constraint x instead of v in second alternative, add avx512bw
5163 * config/i386/sse.md (*<ssse3_avx2>_pmulhrsw<mode>3<mask_name>): Use
5164 constraint x instead of v in second alternative, add avx512bw
5167 * config/i386/sse.md (avx2_pmaddubsw256, ssse3_pmaddubsw128): Add
5168 avx512bw alternative.
5170 2016-05-18 Kirill Yukhin <kirill.yukhin@intel.com>
5172 * config/i386/sse.md (define_insn "*andnot<mode>3"): Extend static
5174 (define_insn "*andnottf3"): Ditto.
5175 (define_insn "*<code><mode>3"/any_logic): Ditto.
5176 (define_insn "*<code>tf3"/any_logic): Ditto.
5177 (define_insn "sse2_storehpd"): Use Yv constraint for scalar
5178 operand to block AVX-512VL insn variant emit when it is not enabled.
5180 2016-05-18 Kirill Yukhin <kirill.yukhin@intel.com>
5182 * config/i386/sse.md (define_insn "*vec_concatv2sf_sse4_1"): Use 'Yv'
5183 constraint fot SF mode.
5185 2016-05-18 Petr Murzin <petr.murzin@intel.com>
5186 Kirill Yukhin <kirill.yukhin@intel.com>
5188 * config/i386/sse.md (define_insn "srcp14<mode>"): Use proper operand
5190 (define_insn "rsqrt14<mode>"): Ditto.
5191 (define_insn "<mask_codefor>avx512dq_cvtps2qqv2di<mask_name>"): Ditto.
5192 (define_insn "<fixsuffix>fix_truncv2sfv2di2<mask_name>"): Ditto.
5193 (define_insn "avx512f_<code>v8div16qi2_mask_store"): Ditto.
5194 (define_insn "vec_set_hi_<mode><mask_name>"): Ditto.
5195 (define_insn "<mask_codefor>avx512dq_broadcast<mode><mask_name>"):
5197 (define_insn "*avx512f_gatherdi<mode>"): Ditto.
5198 (define_insn "*avx512f_scatterdi<mode>"): Ditto.
5199 * config/i386/i386.c (ix86_print_operand): Expand check for size
5200 override codes for Intel syntax.
5202 2016-05-18 Richard Biener <rguenther@suse.de>
5204 PR tree-optimization/71168
5205 * tree-loop-distribution.c (distribute_loop): Move *destroy_p
5206 initialization earlier.
5208 2016-05-18 James Greenhalgh <james.greenhalgh@arm.com>
5210 * config/aarch64/aarch64-simd.md
5211 (aarch64_reduc_plus_internal<mode>): Rename to...
5212 (reduc_plus_scal): ...This, and remove previous implementation.
5214 2016-05-18 Richard Biener <rguenther@suse.de>
5216 * passes.def: Put late dse and cd_dce in canonical order.
5218 2016-05-17 Jan Hubicka <hubicka@ucw.cz>
5220 * ipa-inline-transform.c (preserve_function_body_p): Look for
5221 first non-thunk clone.
5222 (save_function_body): Save into first non-thunk.
5223 * lto-cgraph.c (lto_output_edge): When streaming thunk do not look
5225 (lto_output_node): Inline thunks don't need body in every
5227 * lto-streamer-in.c: Do not fixup thunk clones.
5228 * cgraphclones.c (cgraph_node::create_edge_including_clone): Skip
5230 * tree-inline.c (copy_bb): Be prepared for target node to be new after
5233 2016-05-17 Kugan Vivekanandarajah <kuganv@linaro.org>
5236 * tree-ssa-reassoc.c (transform_add_to_multiply): New.
5237 (reassociate_bb): Call transform_add_to_multiply.
5239 2016-05-17 Kugan Vivekanandarajah <kuganv@linaro.org>
5241 * config/aarch64/aarch64.c (all_extensions): Removed unused
5244 2016-05-17 Nathan Sidwell <nathan@acm.org>
5246 * config/nvptx/nvptx.c (nvptx_function_arg_boundary): New.
5247 (TARGET_FUNCTION_ARG_BOUNDARY): Override.
5249 2016-05-17 Mikhail Maltsev <maltsevm@gmail.com>
5251 PR tree-optimization/54579
5253 * match.pd (~(~X >> Y), ~(~X >>r Y), ~(~X <<r Y)): New patterns.
5255 2016-05-17 Marek Polacek <polacek@redhat.com>
5258 * tree-inline.c (expand_call_inline): Call
5259 maybe_remove_unused_call_args.
5261 2016-05-17 Jim Wilson <jim.wilson@linaro.org>
5263 * doc/cpp.texi (__GNUC__): Major version changes are no longer rare.
5264 * doc/invoke.texi (-mnan=2008): Change signalling to signaling.
5265 * doc/md.texi (fmin@var{m}3): Likewise.
5267 2016-05-17 Marc Glisse <marc.glisse@inria.fr>
5269 * match.pd (X & C): New transformation.
5271 2016-05-17 Marc Glisse <marc.glisse@inria.fr>
5273 * match.pd (~X & Y): New transformation.
5275 2016-05-17 Marc Glisse <marc.glisse@inria.fr>
5277 * tree-vrp.c (simplify_truth_ops_using_ranges): Set range
5278 information for new SSA_NAME.
5279 (simplify_conversion_using_ranges): Get range through get_range_info
5280 instead of get_value_range.
5282 2016-05-17 Jiong Wang <jiong.wang@arm.com>
5284 * config/aarch64/arm_neon.h (vmvn_s8): Reimplement using C operator.
5285 Remove inline assembly.
5286 (vmvn_s16): Likewise.
5287 (vmvn_s32): Likewise.
5288 (vmvn_u8): Likewise.
5289 (vmvn_u16): Likewise.
5290 (vmvn_u32): Likewise.
5291 (vmvnq_s8): Likewise.
5292 (vmvnq_s16): Likewise.
5293 (vmvnq_s32): Likewise.
5294 (vmvnq_u8): Likewise.
5295 (vmvnq_u16): Likewise.
5296 (vmvnq_u32): Likewise.
5297 (vmvn_p8): Likewise.
5298 (vmvnq_p16): Likewise.
5300 2016-05-17 Jiong Wang <jiong.wang@arm.com>
5302 * config/aarch64/aarch64-simd.md (vmul_n_f32): Remove inline assembly.
5304 (vmul_n_s16): Likewise.
5305 (vmul_n_s32): Likewise.
5306 (vmul_n_u16): Likewise.
5307 (vmul_n_u32): Likewise.
5308 (vmulq_n_f32): Likewise.
5309 (vmulq_n_f64): Likewise.
5310 (vmulq_n_s16): Likewise.
5311 (vmulq_n_s32): Likewise.
5312 (vmulq_n_u16): Likewise.
5313 (vmulq_n_u32): Likewise.
5315 2016-05-17 Jiong Wang <jiong.wang@arm.com>
5317 * config/aarch64/aarch64-simd.md (*aarch64_mul3_elt_to_128df): Extend
5318 to all supported modes. Rename to "*aarch64_mul3_elt_from_dup".
5320 2016-05-17 Jiong Wang <jiong.wang@arm.com>
5322 * config/aarch64/aarch64-simd.md (*aarch64_fma4_elt_to_128df): Rename
5323 to *aarch64_fma4_elt_from_dup<mode>.
5324 (*aarch64_fnma4_elt_to_128df): Rename to
5325 *aarch64_fnma4_elt_from_dup<mode>.
5326 * config/aarch64/arm_neon.h (vfma_n_f64): New.
5327 (vfms_n_f32): Likewise.
5328 (vfms_n_f64): Likewise.
5329 (vfmsq_n_f32): Likewise.
5330 (vfmsq_n_f64): Likewise.
5332 2016-05-17 Gerald Pfeifer <gerald@pfeifer.com>
5334 * wide-int.h: Change fixed_wide_int_storage from class to struct.
5336 2016-05-17 Richard Biener <rguenther@suse.de>
5338 PR tree-optimization/71132
5339 * tree-loop-distribution.c (create_rdg_cd_edges): Pass in loop.
5340 Only add control dependences for blocks in the loop.
5341 (build_rdg): Adjust.
5342 (generate_code_for_partition): Return whether loop should
5343 be destroyed and delay that.
5344 (distribute_loop): Likewise.
5345 (pass_loop_distribution::execute): Record loops to be destroyed
5346 and perform delayed destroying of loops.
5348 2016-05-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5351 * config/aarch64/aarch64-simd.md (aarch64_vmls<mode>): Delete.
5353 2016-05-17 James Greenhalgh <james.greenhalgh@arm.com>
5355 * config/aarch64/aarch64-elf.h (ASM_OUTPUT_DEF): Delete.
5357 2016-05-17 Ilya Enkovich <ilya.enkovich@intel.com>
5360 * config/i386/i386.c (dimode_scalar_chain::convert_op): Fix
5361 insertion point for instructions generated by validize_mem.
5363 2016-05-17 James Greenhalgh <james.greenhalgh@arm.com>
5365 * config/aarch64/aarch64.c (SHIFT_COUNT_TRUNCATED): Wrap definition
5368 2016-05-17 James Greenhalgh <james.greenhalgh@arm.com>
5370 * config/aarch64/aarch64.c
5371 (aarch64_output_simd_mov_immediate): Make "buf_size" a variable
5372 rather than a macro.
5374 2016-05-16 Wilco Dijkstra <wdijkstr@arm.com>
5376 * doc/invoke.texi (AArch64 Options): Various updates.
5378 2016-05-16 Jan Hubicka <hubicka@ucw.cz>
5380 * ipa-inline-analysis.c (compute_inline_parameters): Disable inlinig
5381 into instrumentation thunks.
5382 * cif-code.def (CIF_CHKP): New.
5384 2016-05-16 Uros Bizjak <ubizjak@gmail.com>
5386 * config/i386/xopintrin.h: Correct "unsinged" typo in the comments.
5388 2016-05-16 Martin Jambor <mjambor@suse.cz>
5390 * hsa-gen.c (fillup_for_decl): Increase alignment to natural one.
5391 (get_symbol_for_decl): Sorry if a global symbol in under-aligned.
5393 2016-05-16 Marek Polacek <polacek@redhat.com>
5395 * gimple.c (maybe_remove_unused_call_args): Fix typos in the
5398 2016-05-16 Martin Jambor <mjambor@suse.cz>
5401 * omp-low.c (grid_expand_target_grid_body): Copy RESULT_DECL of
5402 the outlined kernel function.
5404 2016-05-16 Robert Suchanek <robert.suchanek@imgtec.com>
5406 * config/mips/mips.h (ISA_HAS_LSA): Enable for -mmsa.
5407 (ISA_HAS_DLSA): Ditto.
5409 2016-05-16 Matthew Fortune <matthew.fortune@imgtec.com>
5411 * config/mips/m5100.md (m51_int_load): Update the latency to 2.
5413 2016-05-16 Nathan Sidwell <nathan@acm.org>
5415 * config/nvptx/nvptx.c (nvptx_mangle_decl_assembler_name): Revert.
5416 (nvptx_name_replacement): Restore. Add comment.
5417 (write_fn_proto, write_fn_proto_from_insn,
5418 nvptx_output_call_insn): Restore
5419 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Delete.
5421 2016-05-16 Wilco Dijkstra <wdijkstr@arm.com>
5423 * config/aarch64/aarch64.md
5424 (add<mode>3_compareC_cconly_imm): Remove use of %w.
5425 (add<mode>3_compareC_imm): Likewise.
5426 (<optab>si3_uxtw): Split into register and immediate variants.
5427 (andsi3_compare0_uxtw): Likewise.
5428 (and<mode>3_compare0): Likewise.
5429 (and<mode>3nr_compare0): Likewise.
5430 (stack_protect_test_<mode>): Don't use %x for memory operands.
5432 2016-05-16 Matthew Fortune <matthew.fortune@imgtec.com>
5434 * config/mips/mips-cpus.def (p5600): Add multi-line brackets.
5436 2016-05-16 Wilco Dijkstra <wdijkstr@arm.com>
5438 * config/aarch64/aarch64.md (aarch64_ashl_sisd_or_int_<mode>3):
5439 Split integer shifts into shift_reg and bfm.
5440 (aarch64_lshr_sisd_or_int_<mode>3): Likewise.
5441 (aarch64_ashr_sisd_or_int_<mode>3): Likewise.
5442 (ror<mode>3_insn): Likewise.
5443 (<optab>si3_insn_uxtw): Likewise.
5444 (<optab><mode>3_insn): Change to rotate_imm.
5445 (extr<mode>5_insn_alt): Likewise.
5446 (extrsi5_insn_uxtw): Likewise.
5447 (extrsi5_insn_uxtw_alt): Likewise.
5449 2016-05-16 Matthew Wahab <matthew.wahab@arm.com>
5451 * doc/tm.texi: Regenerate.
5452 * doc/tm.texi.in (TARGET_INVALID_PARAMETER_TYPE): Remove.
5453 (TARGET_INVALID_RETURN_TYPE): Remove.
5454 * system.h: Poison TARGET_INVALID_PARAMETER_TYPE and
5455 TARGET_INVALID_RETURN_TYPE.
5456 * target.def (invalid_parameter_type): Remove.
5457 (invalid_return_type): Remove.
5459 2016-05-16 Jan Hubicka <hubicka@ucw.cz>
5461 * ipa-inline-analysis.c (compute_inline_parameters): Be more reailistic
5462 on estimating thunk bodies; do not set inline_failed to CIF_THUNK for
5464 * ipa-inline-transform.c (inline_call): When inlining into thunk produce
5466 (preserve_function_body_p): No need to preserve function body
5467 * cif-codes.def (CIF_THUNK): Remove.
5468 * cgraphclones.c (duplicate_thunk_for_node): Thunks calls are inlinable.
5470 2016-05-16 Jan Hubicka <hubicka@ucw.cz>
5472 * tree-inline.c (expand_call_inline): recurse after inlining thunk.
5474 2016-05-16 Jan Hubicka <hubicka@ucw.cz>
5476 * tree.c (free_lang_data_in_decl): Also set target/optimization flags
5479 2016-05-16 Jan Hubicka <hubicka@ucw.cz>
5481 * ipa-inline.c (report_inline_failed_reason): Look into thunks, too
5482 (inline_small_functions): Do not look for function symbol when
5485 2016-05-16 Jan Hubicka <hubicka@ucw.cz>
5487 * lto-cgraph.c (compute_ltrans_boundary, output_symtab): Fix handling
5490 2016-05-16 Matthew Wahab <matthew.wahab@arm.com>
5491 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
5492 Jiong Wang <jiong.wang@arm.com>
5494 * config/arm/arm-c.c (arm_cpu_builtins): Use def_or_undef_macro
5495 for __ARM_FP16_FORMAT_IEEE and __ARM_FP16_FORMAT_ALTERNATIVE.
5496 Define __ARM_FP16_ARGS when appropriate.
5497 * config/arm/arm.c (arm_invalid_parameter_type): Remove
5499 (arm_invalid_return_type): Likewise.
5500 (TARGET_INVALID_PARAMETER_TYPE): Remove.
5501 (TARGET_INVALID_RETURN_TYPE): Remove.
5502 (aapcs_vfp_sub_candidate): Allow HFmode.
5503 (aapcs_vfp_allocate): Add comment. Support HFmode.
5504 (aapcs_vfp_allocate_return_reg): Likewise.
5505 (struct aapcs_cp_arg_layout): Slightly reword comments for
5506 is_return_candidate and allocate_return_reg.
5507 (output_mov_vfp): Update assert.
5508 (arm_hard_regno_mode_ok): Remove comment, update HF-mode
5510 (arm_invalid_parameter_type): Remove.
5511 (amr_invalid_return_type): Remove.
5512 * config/arm/arm.h (TARGET_NEON_FP16): Fix definition.
5513 * config/arm/arm.md (*arm32_movhf): Disable for TARGET_VFP.
5514 * config/arm/vfp.md (*movhf_vfp): Enable for TARGET_VFP.
5516 2016-05-16 Matthew Wahab <matthew.wahab@arm.com>
5518 * config/aarch64/aarch64.h (LEGITIMIZE_RELOAD_ADDRESS): Remove.
5519 * config/aarch64/arch64-protos.h
5520 (aarch64_legitimize_reload_address): Remove.
5521 * config/aarch64/aarch64.c (aarch64_legitimize_reload_address):
5524 2016-05-16 Eric Botcazou <ebotcazou@adacore.com>
5526 * configure.ac: Add ACX_NONCANONICAL_HOST.
5527 * configure: Regenerate.
5528 * Makefile.in: Set host_noncanonical.
5530 2016-05-14 Uros Bizjak <ubizjak@gmail.com>
5533 * config/i386/i386.md (*movtf_internal): Before register allocation,
5534 do not allow FP constants for CM_MEDIUM memory model, allow only
5535 standard FP constants for CM_LARGE and CM_LARGE_PIC models.
5536 (*movxf_internal): Ditto.
5537 (*movdf_internal): Ditto.
5538 (*movsf_internal): Ditto.
5540 2016-05-13 Segher Boessenkool <segher@kernel.crashing.org>
5542 PR rtl-optimization/67483
5543 * combine.c (make_compound_operation): Don't call extract_left_shift
5544 with negative shift amounts.
5546 2016-05-13 Jakub Jelinek <jakub@redhat.com>
5549 * fold-const.c (fold_checksum_tree): Allow modification
5550 of TYPE_ALIAS_SET during folding.
5552 * config/i386/i386.c (ix86_compute_frame_layout, ix86_expand_prologue,
5553 ix86_expand_split_stack_prologue): Use HOST_WIDE_INT_C macro.
5554 (ix86_split_to_parts): Likewise. Fix up formatting.
5556 2016-05-13 H.J. Lu <hongjiu.lu@intel.com>
5558 * tree-ssa-loop-ivopts.c (create_new_ivs): Cast to
5559 unsigned HOST_WIDE_INT with HOST_WIDE_INT_PRINT_UNSIGNED in
5562 2016-05-13 Nathan Sidwell <nathan@acm.org>
5564 * config/nvptx/nvptx.c (nvptx_mangle_decl_assembler_name): New.
5565 (nvptx_name_replacement): Delete.
5566 (write_fn_proto, write_fn_proto_from_insn,
5567 nvptx_output_call_insn): Remove nvptx_name_replacement call.
5568 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Override.
5569 * langhooks.c (add_builtin_funcction_common): Call
5570 targetm.mangle_decl_assembler_name.
5572 * config/nvptx/nvptx.c (write_fn_proto): Handle
5573 BUILT_IN_ATOMIC_COMPARE_EXCHANGE_n oddity.
5575 2016-05-13 Martin Liska <mliska@suse.cz>
5577 * tree-ssa-loop-ivopts.c (create_new_ivs): Use HOST_WIDE_INT_PRINT_DEC
5578 and PRIu64 in printf format.
5580 2016-05-13 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5582 * tree-ssa-loop-ivanon.c (try_unroll_loop_completely): Typo fix in
5585 2016-05-13 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5587 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
5588 Change --param max-completely-peeled-times to
5589 --param max-completely-peel-times in dump file printing.
5591 2016-05-13 Richard Biener <rguenther@suse.de>
5593 PR tree-optimization/42587
5594 * tree-ssa-math-opts.c (perform_symbolic_merge): Handle BIT_FIELD_REF.
5595 (find_bswap_or_nop_1): Likewise.
5596 (bswap_replace): Likewise.
5598 2016-05-13 Martin Liska <mliska@suse.cz>
5600 * tree-vect-patterns.c (vect_recog_mask_conversion_pattern):
5601 Initialize a variable with default value.
5603 2016-05-13 Martin Liska <mliska@suse.cz>
5605 * doc/invoke.texi: Enhance explanation of error recovery
5608 2016-05-13 Martin Liska <mliska@suse.cz>
5610 * tree-ssa-loop-ivopts.c (avg_loop_niter): Fix coding style.
5611 (struct cost_pair): Change inv_expr_id (int) to inv_expr
5612 (iv_inv_expr_ent *).
5613 (struct iv_inv_expr_ent): Comment struct fields.
5614 (sort_iv_inv_expr_ent): New function.
5615 (struct ivopts_data): Rename inv_expr_id to max_inv_expr_id.
5616 (struct iv_ca): Replace used_inv_expr and num_used_inv_expr with
5617 a hash_map between iv_inv_expr_ent and number of usages.
5618 (niter_for_exit): Fix coding style.
5619 (tree_ssa_iv_optimize_init): Use renamed variable.
5620 (determine_base_object): Fix coding style.
5621 (alloc_iv): Likewise.
5622 (find_interesting_uses_outside): Likewise.
5623 (add_candidate_1): Likewise.
5624 (add_standard_iv_candidates): Likewise.
5625 (set_group_iv_cost): Replace inv_expr_id with inv_expr.
5626 (prepare_decl_rtl): Fix coding style.
5627 (get_address_cost): Likewise.
5628 (get_shiftadd_cost): Likewise.
5629 (force_expr_to_var_cost): Likewise.
5630 (compare_aff_trees): Likewise.
5631 (get_expr_id): Restructure the function.
5632 (get_loop_invariant_expr_id): Renamed to
5633 get_loop_invariant_expr.
5634 (get_computation_cost_at): Replace usage of inv_expr_id with
5636 (get_computation_cost): Likewise.
5637 (determine_group_iv_cost_generic): Likewise.
5638 (determine_group_iv_cost_address): Likewise.
5639 (iv_period): Fix coding style.
5640 (iv_elimination_compare_lt): Likewise.
5641 (may_eliminate_iv): Likewise.
5642 (determine_group_iv_cost_cond): Replace usage of inv_expr_id with
5644 (determine_group_iv_costs): Dump invariant expressions.
5645 (iv_ca_recount_cost): Use the newly added hash_map.
5646 (iv_ca_set_remove_invariants): Fix coding style.
5647 (iv_ca_set_add_invariants): Fix coding style.
5648 (iv_ca_set_no_cp): Utilize the newly added hash_map for used
5650 (iv_ca_set_cp): Likewise.
5651 (iv_ca_new): Initialize the newly added hash_map and remove
5652 initialization of fields.
5653 (iv_ca_free): Delete the hash_map.
5654 (iv_ca_dump): Dump invariant expressions.
5655 (iv_ca_extend): Fix coding style.
5656 (try_add_cand_for): Likewise.
5657 (create_new_ivs): Dump information about # of avg iterations and
5658 # of used invariant expressions.
5659 (rewrite_use_compare): Fix coding style.
5660 (free_loop_data): Set default value for max_inv_expr_id.
5662 2016-05-13 Ilya Enkovich <ilya.enkovich@intel.com>
5664 * cse.c (rest_of_handle_cse): Use cleanup_cfg
5665 returned value cse_cfg_altered computation.
5666 (rest_of_handle_cse2): Likewise.
5667 (rest_of_handle_cse_after_global_opts): Likewise.
5669 2016-05-13 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
5672 * config/arm/arm.c (arm32_output_mi_thunk): New.
5673 (arm_output_mi_thunk): Rename to arm_thumb1_mi_thunk. Rework
5674 to split Thumb1 vs TARGET_32BIT functionality.
5675 (arm_thumb1_mi_thunk): New.
5677 2016-05-13 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
5679 * config/aarch64/aarch64.c (TARGET_OMIT_STRUCT_RETURN_REG): Set
5682 2016-05-13 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5685 * config/i386/i386.c (ix86_in_large_data_p): Guard against NULL exp.
5687 2016-05-13 Eric Botcazou <ebotcazou@adacore.com>
5689 * builtins.c (expand_builtin_memcmp): Do not emit the call here.
5690 (expand_builtin_trap): Emit a regular call.
5691 (set_builtin_user_assembler_name): Remove obsolete cases.
5692 * dse.c (scan_insn): Adjust.
5693 * except.c: Include calls.h.
5694 (sjlj_emit_function_enter): If DONT_USE_BUILTIN_SETJMP is defined,
5695 emit a regular call to setjmp.
5696 * expr.c (emit_block_move_hints): Call emit_block_copy_via_libcall.
5697 (block_move_libcall_safe_for_call_parm): Use memcpy builtin.
5698 (emit_block_move_via_libcall): Delete.
5699 (block_move_fn): Delete.
5700 (init_block_move_fn): Likewise.
5701 (emit_block_move_libcall_fn): Likewise.
5702 (emit_block_op_via_libcall): New function.
5703 (set_storage_via_libcall): Tidy up and use memset builtin.
5704 (block_clear_fn): Delete.
5705 (init_block_clear_fn): Likewise.
5706 (clear_storage_libcall_fn): Likewise.
5707 (expand_assignment): Call emit_block_move_via_libcall.
5708 Do not include gt-expr.h.
5709 * expr.h (emit_block_op_via_libcall): Declare.
5710 (emit_block_copy_via_libcall): New inline function.
5711 (emit_block_move_via_libcall): Likewise.
5712 (emit_block_comp_via_libcall): Likewise.
5713 (block_clear_fn): Delete.
5714 (init_block_move_fn): Likewise.
5715 (init_block_clear_fn): Likewise.
5716 (emit_block_move_via_libcall): Likewise.
5717 (set_storage_via_libcall): Add default parameter value.
5718 * libfuncs.h (enum libfunc_index): Remove obsolete values.
5719 (abort_libfunc): Delete.
5720 (memcpy_libfunc): Likewise.
5721 (memmove_libfunc): Likewise.
5722 (memcmp_libfunc): Likewise.
5723 (memset_libfunc): Likewise.
5724 (setbits_libfunc): Likewise.
5725 (setjmp_libfunc): Likewise.
5726 (longjmp_libfunc): Likewise.
5727 (profile_function_entry_libfunc): Likewise.
5728 (profile_function_exit_libfunc): Likewise.
5729 (gcov_flush_libfunc): Likewise.
5730 * optabs-libfuncs.c (build_libfunc_function): Set DECL_ARTIFICIAL
5731 and DECL_VISIBILITY on the declaration.
5732 (init_optabs): Do not initialize obsolete libfuncs.
5733 * optabs.c (prepare_cmp_insn): Call emit_block_comp_via_libcall.
5734 * tree-core.h (ECF_RET1): Define.
5735 (ECF_TM_PURE): Adjust.
5736 (ECF_TM_BUILTIN): Likewise.
5737 * tree.c (set_call_expr_flags): Deal with ECF_RET1.
5738 (build_common_builtin_nodes): Initialize abort builtin.
5739 Add ECF_RET1 on memcpy, memmove and memset builtins.
5740 Pass final flags for alloca and alloca_with_align builtins.
5741 * config/alpha/alpha.c (alpha_init_libfuncs): Do not initialize
5743 * config/ia64/ia64.c (ia64_vms_init_libfuncs): Likewise.
5744 * config/i386/i386.c (ix86_expand_set_or_movmem): Adjust call to
5745 set_storage_via_libcall and call emit_block_copy_via_libcall.
5747 2016-05-12 Uros Bizjak <ubizjak@gmail.com>
5749 * config/i386/i386.md (*call_got_x32): Change operand 0 to
5750 DImode before it is passed to ix86_output_call_operand.
5751 (*call_value_got_x32): Ditto for operand 1.
5753 2016-05-12 Jiong Wang <jiong.wang@arm.com>
5755 PR rtl-optimization/70904
5756 * lra-constraint.c (process_addr_reg): Relax the restriction on subreg
5757 reload for wide mode.
5759 2016-05-12 Marek Polacek <polacek@redhat.com>
5762 * langhooks-def.h (lhd_incomplete_type_error): Adjust declaration.
5763 * langhooks.c (lhd_incomplete_type_error): Add location parameter.
5764 * langhooks.h (incomplete_type_error): Likewise.
5765 * tree.c (size_in_bytes_loc): Renamed from size_in_bytes. Add location
5766 parameter, pass it down to incomplete_type_error.
5767 * tree.h (size_in_bytes): New inline overload.
5768 (size_in_bytes_loc): Renamed from size_in_bytes.
5770 2016-05-12 Richard Biener <rguenther@suse.de>
5772 PR tree-optimization/71059
5773 * tree-ssa-pre.c (phi_translate_1): Fully fold translated
5774 nary before looking up or entering the expression into the VN
5776 * tree-ssa-sccvn.c (vn_nary_build_or_lookup): Fix comment typo.
5777 Make sure to re-use NARYs without result as inserted by
5780 2016-05-12 Richard Biener <rguenther@suse.de>
5782 PR tree-optimization/71062
5783 * tree-ssa-alias.h (struct pt_solution): Add vars_contains_restrict
5785 * tree-ssa-structalias.c (set_uids_in_ptset): Set
5786 vars_contains_restrict if the var is a restrict tag.
5787 * tree-ssa-alias.c (ptrs_compare_unequal): If vars_contains_restrict
5788 do not disambiguate pointers against it.
5789 (dump_points_to_solution): Re-structure and adjust for new
5790 vars_contains_restrict flag.
5791 * gimple-pretty-print.c (pp_points_to_solution): Likewise.
5793 2016-05-12 Martin Liska <mliska@suse.cz>
5795 * doc/invoke.texi: Explain connection between
5796 -fsanitize-recover=address and ASAN_OPTIONS="halt_on_error=1".
5798 2016-05-12 Ilya Enkovich <ilya.enkovich@intel.com>
5800 PR tree-optimization/71006
5801 * tree-vect-loop.c (vect_determine_vectorization_factor): Don't
5802 consider COND_EXPR as a mask producer.
5804 2016-05-12 Marek Polacek <polacek@redhat.com>
5807 * opts.c (common_handle_option): Detect missing argument for --help^.
5809 2016-05-12 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5812 * config/arm/arm.c (arm_output_multireg_pop): Avoid POP instruction
5813 when popping the PC and within an interrupt handler routine.
5814 Add missing tab to output of "ldmfd".
5815 (output_return_instruction): Output LDMFD with SP update rather
5816 than POP when returning from interrupt handler.
5818 2016-05-12 Jakub Jelinek <jakub@redhat.com>
5820 * config/i386/i386.md (isa): Add x64_avx512dq, enable if
5821 TARGET_64BIT && TARGET_AVX512DQ.
5822 * config/i386/sse.md (*vec_extract<mode>): Add avx512bw alternatives.
5823 (*vec_extract<PEXTR_MODE12:mode>_zext): Add avx512bw alternative.
5824 (*vec_extract<ssevecmodelower>_0, *vec_extractv4si_0_zext,
5825 *vec_extractv2di_0_sse): Use v constraint instead of x constraint.
5826 (*vec_extractv4si): Add avx512dq and avx512bw alternatives.
5827 (*vec_extractv4si_zext): Add avx512dq alternative.
5828 (*vec_extractv2di_1): Add x64_avx512dq and avx512bw alternatives,
5829 use v instead of x constraint in other alternatives where possible.
5831 * config/i386/sse.md (sse2_loadld): Use v instead of x
5832 constraint in alternatives 0,1,4.
5834 * config/i386/sse.md (pinsr_evex_isa): New mode attr.
5835 (<sse2p4_1>_pinsr<ssemodesuffix>): Add 2 alternatives with
5836 v constraints instead of x and <pinsr_evex_isa> isa attribute.
5839 * config/i386/sse.md (<sse2_avx2>_packssdw<mask_name>,
5840 <sse4_1_avx2>_packusdw<mask_name>): Make sure EVEX encoded insn
5841 is not emitted unless TARGET_AVX512BW.
5842 (<sse2_avx2>_packuswb<mask_name>, <sse2_avx2>_packsswb<mask_name>):
5843 Likewise. For TARGET_AVX512BW, use "=v" constraint instead of "=x"
5844 for the result operand.
5846 * config/i386/sse.md (*vec_setv4sf_sse4_1, sse4_1_insertps): Use v
5847 constraint instead of x in avx alternatives. Use maybe_evex instead
5850 * config/i386/constraints.md (Yv): New constraint.
5851 * config/i386/i386.h (VALID_AVX512VL_128_REG_MODE): Allow
5852 TFmode and V1TImode in xmm16+ registers for TARGET_AVX512VL.
5853 * config/i386/i386.md (avx512fvecmode): New mode attr.
5854 (*pushtf): Use v constraint instead of x.
5855 (*movtf_internal): Likewise. For TARGET_AVX512VL and
5856 xmm16+ registers, use vmovdqu64 or vmovdqa64 instructions.
5857 (*absneg<mode>2): Use Yv constraint instead of x constraint.
5858 (*absnegtf2_sse): Likewise.
5859 (copysign<mode>3_const, copysign<mode>3_var): Likewise.
5860 * config/i386/sse.md (*andnot<mode>3): Add avx512vl and
5861 avx512f alternatives.
5862 (*andnottf3, *<code><mode>3, *<code>tf3): Likewise.
5864 2016-05-12 Richard Biener <rguenther@suse.de>
5866 PR tree-optimization/71060
5867 * tree-data-ref.c (initialize_data_dependence_relation): Do not
5868 require exact match of DR_BASE_OBJECT but only matching address and
5871 2016-05-12 Richard Biener <rguenther@suse.de>
5873 PR tree-optimization/70986
5874 * cfganal.c: Include cfgloop.h.
5875 (dfs_find_deadend): Prefer to take edges exiting loops.
5877 2016-05-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
5879 * gcc.target/powerpc/pr70963.c: Require at least power8 at both
5880 compile and run time.
5882 2016-05-11 Mikhail Maltsev <maltsevm@gmail.com>
5885 * doc/invoke.texi (Wduplicate-decl-specifier): Document new option.
5887 2016-05-11 Uros Bizjak <ubizjak@gmail.com>
5889 * config/i386/i386.c (legitimize_pic_address): Use
5890 copy_to_suggested_reg instead of gen_movsi.
5892 2016-05-11 Michael Meissner <meissner@linux.vnet.ibm.com>
5894 * config/rs6000/predicates.md (quad_memory_operand): Move most of
5895 the code into quad_address_p and call it to share code with
5896 vsx_quad_dform_memory_operand.
5897 (vsx_quad_dform_memory_operand): New predicate for ISA 3.0 vector
5899 * config/rs6000/rs6000.opt (-mlra): Switch to being an option mask
5900 bit instead of being a separate word. Split -mpower9-dform into
5901 two switches, -mpower9-dform-scalar and -mpower9-dform-vector.
5902 * config/rs6000/rs6000.c (RELOAD_REG_QUAD_OFFSET): New addr_mask
5903 for the register class supporting 128-bit quad word memory offsets.
5904 (mode_supports_vsx_dform_quad): Helper function to return if the
5905 register class uses quad word memory offsets.
5906 (rs6000_debug_addr_mask): Add support for quad word memory offsets.
5907 (rs6000_debug_reg_global): Always print if we are using LRA or not.
5908 (rs6000_setup_reg_addr_masks): If ISA 3.0 vector d-form
5909 instructions are enabled, set up the appropriate addr_masks for
5911 (rs6000_init_hard_regno_mode_ok): wb constraint is now based on
5912 -mpower9-dform-scalar, instead of -mpower9-dform.
5913 (rs6000_option_override_internal): Split -mpower9-dform into two
5914 switches, -mpower9-dform-scalar and -mpower9-dform-vector. The
5915 -mpower9-dform switch sets or clears both. If we are not using
5916 the LRA register allocator, do not enable -mpower9-dform-vector by
5917 default. If we are using LRA, enable -mpower9-dform-vector and
5918 -mvsx-timode if it is appropriate. Issue a warning if either
5919 -mpower9-dform-vector or -mvsx-timode are explicitly used without
5921 (quad_address_offset_p): New helper function to return if the
5922 offset is legal for quad word memory instructions.
5923 (quad_address_p): New function to determin if GPR or vector
5924 register quad word memory addresses are legal.
5925 (mem_operand_gpr): Validate quad word address offsets.
5926 (reg_offset_addressing_ok_p): Add support for ISA 3.0 vector
5927 d-form (register + offset) instructions.
5928 (offsettable_ok_by_alignment): Likewise.
5929 (rs6000_legitimate_offset_address_p): Likewise.
5930 (legitimate_lo_sum_address_p): Likewise.
5931 (rs6000_legitimize_address): Likewise.
5932 (rs6000_legitimize_reload_address): Add more debug statements for
5934 (rs6000_legitimate_address_p): Add support for ISA 3.0 vector
5935 d-form instructions.
5936 (rs6000_secondary_reload_memory): Add support for ISA 3.0 vector
5937 d-form instructions. Distinguish different cases in debug
5938 output. (rs6000_secondary_reload_inner): Add support for ISA 3.0 vector
5939 d-form instructions.
5940 (rs6000_preferred_reload_class): Likewise.
5941 (rs6000_output_move_128bit): Add support for ISA 3.0 d-form
5942 instructions. If ISA 3.0 is available, generate lxvx/stxvx instead
5943 of the ISA 2.06 indexed memory instructions.
5944 (rs6000_emit_prologue): If we have ISA 3.0 d-form instructions,
5945 use them to save/restore the saved vector registers instead of
5946 using Altivec instructions.
5947 (rs6000_emit_epilogue): Likewise.
5948 (rs6000_lra_p): Use TARGET_LRA instead of the old option word.
5949 (rs6000_opt_masks): Split -mpower9-dform into
5950 -mpower9-dform-scalar and -mpower9-dform-vector.
5951 (rs6000_print_options_internal): Print -mno-<switch> if <switch>
5953 * config/rs6000/vsx.md (p9_vecload_<mode>): Delete hack to emit
5954 ISA 3.0 vector indexed memory instructions, and fold the code into
5955 the normal mov<mode> patterns.
5956 (p9_vecstore_<mode>): Likewise.
5957 (vsx_mov<mode>): Add support for ISA 3.0 vector d-form
5959 (vsx_movti_64bit): Likewise.
5960 (vsx_movti_32bit): Likewise.
5961 * config/rs6000/constraints.md (wO constraint): New constraint for
5962 ISA 3.0 vector d-form support.
5963 * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Use
5964 -mpower9-dform-scalar instead of -mpower9-dform. Add note not to
5965 include -mpower9-dform-vector until we switch over to LRA.
5966 (POWERPC_MASKS): Add -mlra. Split -mpower9-dform into two.
5967 switches, -mpower9-dform-scalar and -mpower9-dform-vector.
5968 * config/rs6000/rs6000-protos.h (quad_address_p): Add declaration.
5969 * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
5970 for -mpower9-dform and -mlra.
5971 * doc/md.texi (wO constraint): Document wO constraint.
5973 2016-05-11 Alexander Monakov <amonakov@ispras.ru>
5975 * genattr.c (main): Change 'rtx' to 'rtx_insn *' in prototypes of
5976 'insn_latency', 'maximal_insn_latency', 'min_insn_conflict_delay'.
5977 * genautomata.c (output_internal_insn_code_evaluation): Simplify.
5978 Move handling of non-insn arguments inline into the sole user:
5979 (output_trans_func): ...here.
5980 (output_min_insn_conflict_delay_func): Change 'rtx' to 'rtx_insn *'
5981 in emitted function prototype.
5982 (output_internal_insn_latency_func): Ditto. Simplify.
5983 (output_internal_maximal_insn_latency_func): Ditto. Delete
5984 always-unused argument.
5985 (output_insn_latency_func): Ditto.
5986 (output_maximal_insn_latency_func): Ditto.
5988 2016-05-11 Richard Biener <rguenther@suse.de>
5990 PR tree-optimization/71055
5991 * tree-ssa-sccvn.c (vn_reference_lookup_3): When native-interpreting
5992 sth with precision not equal to access size verify we don't chop
5995 2016-05-11 Richard Biener <rguenther@suse.de>
5998 * dwarf2out.c (retry_incomplete_types): Set early_dwarf.
5999 (dwarf2out_finish): Move retry_incomplete_types call ...
6000 (dwarf2out_early_finish): ... here.
6002 2016-05-11 Richard Biener <rguenther@suse.de>
6005 * alias.c (reference_alias_ptr_type): Preserve alias-set zero
6006 if the langhook insists on it.
6007 * fold-const.c (make_bit_field_ref): Add arg for the original
6008 reference and preserve its alias-set.
6009 (decode_field_reference): Take exp by reference and adjust it
6010 to the original memory reference.
6011 (optimize_bit_field_compare): Adjust callers.
6012 (fold_truth_andor_1): Likewise.
6013 * gimplify.c (gimplify_expr): Adjust in-SSA form test.
6015 2016-05-11 Ilya Enkovich <ilya.enkovich@intel.com>
6018 * cfgrtl.h (delete_insn_and_edges): Now return bool.
6019 * cfgrtl.c (delete_insn_and_edges): Likewise.
6020 * config/i386/i386.c (convert_scalars_to_vector): Remove
6022 * cse.c (cse_insn): Compute cse_cfg_altered.
6023 (delete_trivially_dead_insns): Likewise.
6024 (cse_cc_succs): Likewise.
6025 (rest_of_handle_cse): Free dominance info if required.
6026 (rest_of_handle_cse2): Likewise.
6027 (rest_of_handle_cse_after_global_opts): Likewise.
6029 2016-05-11 Alan Modra <amodra@gmail.com>
6031 * config/rs6000/rs6000.c (is_complex_IBM_long_double,
6032 abi_v4_pass_in_fpr): New functions.
6033 (rs6000_function_arg_boundary): Exclude complex IBM long double
6034 from 64-bit alignment when ABI_V4.
6035 (rs6000_function_arg, rs6000_function_arg_advance_1,
6036 rs6000_gimplify_va_arg): Use abi_v4_pass_in_fpr.
6038 2016-05-10 Segher Boessenkool <segher@kernel.crashing.org>
6040 PR rtl-optimization/71028
6041 * cfgcleanup.c (try_optimize_cfg): Do not flip a conditional
6042 jump with just a return in the fallthrough block if the branch
6043 block contains just a return as well.
6045 2016-05-10 Marc Glisse <marc.glisse@inria.fr>
6047 * fold-const.c (fold_binary_loc) [(X ^ Y) & Y]: Remove and merge with...
6048 * match.pd ((X & Y) ^ Y): ... this.
6049 ((X & Y) & Y, (X | Y) | Y, (X ^ Y) ^ Y, (X & Y) & (X & Z), (X | Y)
6050 | (X | Z), (X ^ Y) ^ (X ^ Z)): New transformations.
6052 2016-05-10 David Malcolm <dmalcolm@redhat.com>
6054 * read-md.c (require_char_ws): New function.
6055 (read_string): Simplify using require_char_ws.
6056 (handle_constants): Likewise.
6057 (handle_enum): Likewise.
6058 (handle_file): Likewise.
6059 * read-md.h (require_char_ws): New declaration.
6060 * read-rtl.c (read_conditions): Simplify using require_char_ws.
6061 (read_mapping): Likewise.
6062 (read_rtx_code): Likewise.
6063 (read_nested_rtx): Likewise.
6065 2016-05-10 James Norris <jnorris@codesourcery.com>
6067 * config/rs6000/sysv4.h (CRTOFFLOADBEGIN): Define. Add crtoffloadbegin.o
6068 if offloading is enabled and -fopenacc or -fopenmp is specified.
6069 (CRTOFFLOADEND): Likewise.
6070 (STARTFILE_LINUX_SPEC): Add CRTOFFLOADBEGIN.
6071 (ENDFILE_LINUX_SPEC): Add CRTOFFLOADEND.
6073 2016-05-10 Uros Bizjak <ubizjak@gmail.com>
6075 * config/i386/i386.c (legitimize_pic_address): Merge 64-bit and 32-bit
6076 gotoff_operand code paths. Use copy_to_suggested_regs and
6077 expand_simple_binop where appropriate. Cleanup.
6079 2016-05-10 Ilya Enkovich <ilya.enkovich@intel.com>
6082 * config/i386/i386.c (dimode_scalar_to_vector_candidate_p): Allow
6084 (dimode_scalar_chain::vector_const_cost): New.
6085 (dimode_scalar_chain::compute_convert_gain): Handle constants.
6086 (dimode_scalar_chain::convert_op): Likewise.
6087 (dimode_scalar_chain::convert_insn): Likewise.
6089 2016-05-10 Pierre-Marie de Rodat <derodat@adacore.com>
6091 * dwarf2out.c (resolve_args_picking_1): Consider DW_OP_neg as an
6092 unary operation, not a binary one.
6094 2016-05-10 Ilya Enkovich <ilya.enkovich@intel.com>
6097 * tree-chkp.c (chkp_add_bounds_to_call_stmt): Handle
6098 calls with type casted fndecl.
6100 2016-05-10 Ilya Enkovich <ilya.enkovich@intel.com>
6102 PR tree-optimization/70786
6103 * tree-chkp.c (chkp_find_bounds_1): Support WITH_SIZE_EXPR.
6104 * calls.c (initialize_argument_information): Bind bounds
6105 with corresponding args passed by reference.
6107 2016-05-10 Jakub Jelinek <jakub@redhat.com>
6110 * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>),
6111 *<code><mode>3<mask_name>): For !TARGET_AVX512DQ and EVEX encoding,
6112 use vp*[dq] instead of v*p[sd] instructions and adjust mode attribute
6115 2016-05-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
6118 * config/rs6000/vsx.md (vsx_xvcvdpsxds_scale): Generate correct
6119 code for a zero scale factor.
6120 (vsx_xvcvdpuxds_scale): Likewise.
6122 2016-05-10 David Malcolm <dmalcolm@redhat.com>
6124 * diagnostic-show-locus.c (layout::layout): Call show_ruler
6125 if show_ruler_p was set on the context.
6126 (layout::show_ruler): New method.
6127 * diagnostic.h (struct diagnostic_context): Add field
6130 2016-05-10 Richard Biener <rguenther@suse.de>
6132 PR tree-optimization/71039
6133 * tree-ssa-phiprop.c: Include tree-ssa-loop.h.
6134 (chk_uses): New function.
6135 (propagate_with_phi): Verify we can safely replicate the lhs of an
6136 aggregate assignment on all incoming edges.
6138 2016-05-10 Oleg Endo <olegendo@gcc.gnu.org>
6140 * config/rx/rx-protos.h (is_interrupt_func, is_fast_interrupt_func):
6142 (rx_atomic_sequence): New class.
6143 * config/rx/rx.c (rx_print_operand): Use symbolic names for PSW bits.
6144 (is_interrupt_func, is_fast_interrupt_func): Make non-static and
6146 (rx_atomic_sequence::rx_atomic_sequence,
6147 rx_atomic_sequence::~rx_atomic_sequence): New functions.
6148 * config/rx/rx.md (CTRLREG_PSW, CTRLREG_USP, CTRLREG_FPSW, CTRLREG_CPEN,
6149 CTRLREG_BPSW, CTRLREG_BPC, CTRLREG_ISP, CTRLREG_FINTV,
6150 CTRLREG_INTB): New constants.
6151 (FETCHOP): New code iterator.
6152 (fethcop_name, fetchop_name2): New iterator code attributes.
6153 (QIHI): New mode iterator.
6154 (atomic_exchange<mode>, atomic_exchangesi, xchg_mem<mode>,
6155 atomic_fetch_<fetchop_name>si, atomic_fetch_nandsi,
6156 atomic_<fetchop_name>_fetchsi, atomic_nand_fetchsi): New patterns.
6158 2016-05-10 Martin Liska <mliska@suse.cz>
6160 * tree-inline.c (remap_dependence_clique): Do not remap
6161 debugging statements.
6163 2016-05-10 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
6165 * config/s390/s390.md ("*vec_cmp<insn_cmp>df_cconly")
6166 ("*fixuns_truncdfdi2_z13")
6167 ("*fixuns_trunc<FP:mode><GPR:mode>2_z196")
6168 ("*fix_truncdfdi2_bfp_z13", "*floatunsdidf2_z13")
6169 ("*extendsfdf2_z13"): Replace TARGET_Z13 with TARGET_VX.
6171 2016-05-10 Richard Biener <rguenther@suse.de>
6173 PR tree-optimization/70497
6174 PR tree-optimization/28367
6175 * tree-ssa-sccvn.c (vn_nary_build_or_lookup): New function
6177 (visit_reference_op_load): ... here.
6178 (vn_reference_lookup_3): Use it to handle subreg-like accesses
6179 with simplified BIT_FIELD_REFs.
6180 * tree-ssa-pre.c (eliminate_insert): Handle inserting BIT_FIELD_REFs.
6181 * tree-complex.c (extract_component): Handle BIT_FIELD_REFs
6184 2016-05-10 Pierre-Marie de Rodat <derodat@adacore.com>
6186 * dwarf2out.c (add_abstract_origin_attribute): Adjust
6187 documentation comment. For BLOCK nodes, add a
6188 DW_AT_abstract_origin attribute that points to the DIE generated
6189 for the origin BLOCK.
6190 (gen_lexical_block_die): Call add_abstract_origin_attribute for
6191 blocks from inlined functions.
6193 2016-05-10 Alan Modra <amodra@gmail.com>
6196 * config/rs6000/rs6000.c (rs6000_expand_split_stack_prologue): Stop
6197 regrename modifying insns saving lr before __morestack call.
6198 * config/rs6000/rs6000.md (split_stack_return): Similarly for
6199 insns restoring lr after __morestack call.
6201 2016-05-09 Jakub Jelinek <jakub@redhat.com>
6203 * config/i386/i386.md (set_got, set_got_labelled, lwp_llwpcb,
6204 lwp_lwpval<mode>3, lwp_lwpins<mode>3): Remove constraints from
6206 * config/i386/sse.md (vec_interleave_high<mode>,
6207 vec_interleave_low<mode>, <avx512>_vpermi2var<mode>3_maskz,
6208 <avx512>_vpermt2var<mode>3_maskz): Likewise.
6210 2016-05-04 Aaron Sawdey <acsawdey@linux.vnet.ibm.com>
6212 * config/rs6000/rs6000.c (rs6000_reassociation_width): Add
6213 function for TARGET_SCHED_REASSOCIATION_WIDTH to enable
6214 parallel reassociation for power8 and forward.
6216 2016-05-09 Uros Bizjak <ubizjak@gmail.com>
6218 * config/i386/i386.md (absneg splitters with general regs): Use
6219 general_reg_operand predicate.
6220 (btsq peephole2): Use x86_64_immediate_operand to check if new
6221 value is suitable for immediate operand. Generate emitted insn
6222 using RTL expressions.
6223 (btcq peephole2): Ditto.
6224 (btrq peephole2): Ditto. Generate correct immediate operand
6227 2016-05-09 Richard Sandiford <richard.sandiford@arm.com>
6229 * cfgexpand.c (expand_debug_expr): Fix address offset for negative
6232 2016-05-09 Richard Sandiford <richard.sandiford@arm.com>
6234 * tree-affine.c (wide_int_constant_multiple_p): Add missing
6235 pointer dereference.
6237 2016-05-09 Richard Biener <rguenther@suse.de>
6239 PR tree-optimization/70985
6240 * match.pd (BIT_FIELD_REF -> (type)): Disable on GIMPLE when
6241 op0 isn't a gimple register.
6243 2016-05-09 Prachi Godbole <prachi.godbole@imgtec.com>
6245 * config/mips/i6400.md (i6400_fpu_intadd, i6400_fpu_logic)
6246 (i6400_fpu_div, i6400_fpu_cmp, i6400_fpu_float, i6400_fpu_store)
6247 (i6400_fpu_long_pipe, i6400_fpu_logic_l, i6400_fpu_float_l)
6248 (i6400_fpu_mult): New cpu units.
6249 (i6400_msa_add_d, i6400_msa_int_add, i6400_msa_short_logic3)
6250 (i6400_msa_short_logic2, i6400_msa_short_logic, i6400_msa_move)
6251 (i6400_msa_cmp, i6400_msa_short_float2, i6400_msa_div_d)
6252 (i6400_msa_div_w, i6400_msa_div_h, i6400_msa_div_b)
6253 (i6400_msa_copy, i6400_msa_branch, i6400_fpu_msa_store)
6254 (i6400_fpu_msa_load, i6400_fpu_msa_move, i6400_msa_long_logic1)
6255 (i6400_msa_long_logic2, i6400_msa_mult, i6400_msa_long_float2)
6256 (i6400_msa_long_float4, i6400_msa_long_float5)
6257 (i6400_msa_long_float8, i6400_msa_fdiv_df)
6258 (i6400_msa_fdiv_sf): New reservations.
6259 * config/mips/p5600.md (p5600_fpu_intadd, p5600_fpu_cmp)
6260 (p5600_fpu_float, p5600_fpu_logic_a, p5600_fpu_logic_b)
6261 (p5600_fpu_div, p5600_fpu_logic, p5600_fpu_float_a)
6262 (p5600_fpu_float_b, p5600_fpu_float_c, p5600_fpu_float_d)
6263 (p5600_fpu_mult, p5600_fpu_fdiv, p5600_fpu_load): New cpu units.
6264 (msa_short_int_add, msa_short_logic, msa_short_logic_move_v)
6265 (msa_short_cmp, msa_short_float2, msa_short_logic3)
6266 (msa_short_store4, msa_long_load, msa_short_store)
6267 (msa_long_logic, msa_long_float2, msa_long_float4)
6268 (msa_long_float5, msa_long_float8, msa_long_mult)
6269 (msa_long_fdiv, msa_long_div): New reservations.
6271 2016-05-09 Robert Suchanek <robert.suchanek@imgtec.com>
6272 Sameera Deshpande <sameera.deshpande@imgtec.com>
6273 Matthew Fortune <matthew.fortune@imgtec.com>
6274 Graham Stott <graham.stott@imgtec.com>
6275 Chao-ying Fu <chao-ying.fu@imgtec.com>
6277 * config.gcc: Add MSA header file for mips*-*-* target.
6278 * config/mips/constraints.md (YI, YC, YZ, Unv5, Uuv5, Usv5, Uuv6)
6279 (Ubv8i, Urv8): New constraints.
6280 * config/mips/mips-ftypes.def: Add function types for MSA
6282 * config/mips/mips-modes.def (V16QI, V8HI, V4SI, V2DI, V4SF)
6283 (V2DF, V32QI, V16HI, V8SI, V4DI, V8SF, V4DF): New modes.
6284 * config/mips/mips-msa.md: New file.
6285 * config/mips/mips-protos.h
6286 (mips_split_128bit_const_insns): New prototype.
6287 (mips_msa_idiv_insns): Likewise.
6288 (mips_split_128bit_move): Likewise.
6289 (mips_split_128bit_move_p): Likewise.
6290 (mips_split_msa_copy_d): Likewise.
6291 (mips_split_msa_insert_d): Likewise.
6292 (mips_split_msa_fill_d): Likewise.
6293 (mips_expand_msa_branch): Likewise.
6294 (mips_const_vector_same_val_p): Likewise.
6295 (mips_const_vector_same_bytes_p): Likewise.
6296 (mips_const_vector_same_int_p): Likewise.
6297 (mips_const_vector_shuffle_set_p): Likewise.
6298 (mips_const_vector_bitimm_set_p): Likewise.
6299 (mips_const_vector_bitimm_clr_p): Likewise.
6300 (mips_msa_vec_parallel_const_half): Likewise.
6301 (mips_msa_output_division): Likewise.
6302 (mips_ldst_scaled_shift): Likewise.
6303 (mips_expand_vec_cond_expr): Likewise.
6304 * config/mips/mips.c (enum mips_builtin_type): Add
6305 MIPS_BUILTIN_MSA_TEST_BRANCH.
6306 (mips_gen_const_int_vector_shuffle): New prototype.
6307 (mips_const_vector_bitimm_set_p): New function.
6308 (mips_const_vector_bitimm_clr_p): Likewise.
6309 (mips_const_vector_same_val_p): Likewise.
6310 (mips_const_vector_same_bytes_p): Likewise.
6311 (mips_const_vector_same_int_p): Likewise.
6312 (mips_const_vector_shuffle_set_p): Likewise.
6313 (mips_symbol_insns): Forbid loading symbols via immediate for
6315 (mips_valid_offset_p): Limit offset to 10-bit for MSA loads and
6317 (mips_valid_lo_sum_p): Forbid loadings symbols via %lo(base) for
6319 (mips_lx_address_p): Add support load indexed address for MSA.
6320 (mips_address_insns): Add calculation of instructions needed for
6321 stores and loads for MSA.
6322 (mips_const_insns): Move CONST_DOUBLE below CONST_VECTOR. Handle
6323 CONST_VECTOR for MSA and let it fall through.
6324 (mips_ldst_scaled_shift): New function.
6325 (mips_subword_at_byte): Likewise.
6326 (mips_msa_idiv_insns): Likewise.
6327 (mips_legitimize_move): Validate MSA moves.
6328 (mips_rtx_costs): Add UNGE, UNGT, UNLE, UNLT cases. Add
6329 calculation of costs for MSA division.
6330 (mips_split_move_p): Check if MSA moves need splitting.
6331 (mips_split_move): Split MSA moves if necessary.
6332 (mips_split_128bit_move_p): New function.
6333 (mips_split_128bit_move): Likewise.
6334 (mips_split_msa_copy_d): Likewise.
6335 (mips_split_msa_insert_d): Likewise.
6336 (mips_split_msa_fill_d): Likewise.
6337 (mips_output_move): Handle MSA moves.
6338 (mips_expand_msa_branch): New function.
6339 (mips_print_operand): Add 'E', 'B', 'w', 'v' and 'V' modifiers.
6340 Reinstate 'y' modifier.
6341 (mips_file_start): Add MSA .gnu_attribute.
6342 (mips_hard_regno_mode_ok_p): Allow TImode and 128-bit vectors in
6344 (mips_hard_regno_nregs): Always return 1 for MSA supported mode.
6345 (mips_class_max_nregs): Add register size for MSA supported mode.
6346 (mips_cannot_change_mode_class): Allow conversion between MSA
6347 vector modes and TImode.
6348 (mips_mode_ok_for_mov_fmt_p): Allow MSA to use move.v
6350 (mips_secondary_reload_class): Force MSA loads/stores via memory.
6351 (mips_preferred_simd_mode): Add preffered modes for MSA.
6352 (mips_vector_mode_supported_p): Add MSA supported modes.
6353 (mips_autovectorize_vector_sizes): New function.
6354 (mips_msa_output_division): Likewise.
6355 (MSA_BUILTIN, MIPS_BUILTIN_DIRECT_NO_TARGET)
6356 (MSA_NO_TARGET_BUILTIN, MSA_BUILTIN_TEST_BRANCH): New macros.
6357 (CODE_FOR_msa_adds_s_b, CODE_FOR_msa_adds_s_h)
6358 (CODE_FOR_msa_adds_s_w, CODE_FOR_msa_adds_s_d)
6359 (CODE_FOR_msa_adds_u_b, CODE_FOR_msa_adds_u_h)
6360 (CODE_FOR_msa_adds_u_w, CODE_FOR_msa_adds_u_du
6361 (CODE_FOR_msa_addv_b, CODE_FOR_msa_addv_h, CODE_FOR_msa_addv_w)
6362 (CODE_FOR_msa_addv_d, CODE_FOR_msa_and_v, CODE_FOR_msa_bmnz_v)
6363 (CODE_FOR_msa_bmnzi_b, CODE_FOR_msa_bmz_v, CODE_FOR_msa_bmzi_b)
6364 (CODE_FOR_msa_bnz_v, CODE_FOR_msa_bz_v, CODE_FOR_msa_bsel_v)
6365 (CODE_FOR_msa_bseli_b, CODE_FOR_msa_ceqi_h, CODE_FOR_msa_ceqi_w)
6366 (CODE_FOR_msa_ceqi_d, CODE_FOR_msa_clti_s_b)
6367 (CODE_FOR_msa_clti_s_h, CODE_FOR_msa_clti_s_w)
6368 (CODE_FOR_msa_clti_s_d, CODE_FOR_msa_clti_u_b)
6369 (CODE_FOR_msa_clti_u_h, CODE_FOR_msa_clti_u_w)
6370 (CODE_FOR_msa_clti_u_d, CODE_FOR_msa_clei_s_b)
6371 (CODE_FOR_msa_clei_s_h, CODE_FOR_msa_clei_s_w)
6372 (CODE_FOR_msa_clei_s_d, CODE_FOR_msa_clei_u_b)
6373 (CODE_FOR_msa_clei_u_h, CODE_FOR_msa_clei_u_w)
6374 (CODE_FOR_msa_clei_u_d, CODE_FOR_msa_div_s_b)
6375 (CODE_FOR_msa_div_s_h, CODE_FOR_msa_div_s_w)
6376 (CODE_FOR_msa_div_s_d, CODE_FOR_msa_div_u_b)
6377 (CODE_FOR_msa_div_u_h, CODE_FOR_msa_div_u_w)
6378 (CODE_FOR_msa_div_u_d, CODE_FOR_msa_fadd_w, CODE_FOR_msa_fadd_d)
6379 (CODE_FOR_msa_fexdo_w, CODE_FOR_msa_ftrunc_s_w)
6380 (CODE_FOR_msa_ftrunc_s_d, CODE_FOR_msa_ftrunc_u_w)
6381 (CODE_FOR_msa_ftrunc_u_d, CODE_FOR_msa_ffint_s_w)
6382 (CODE_FOR_msa_ffint_s_d, CODE_FOR_msa_ffint_u_w)
6383 (CODE_FOR_msa_ffint_u_d, CODE_FOR_msa_fsub_w)
6384 (CODE_FOR_msa_fsub_d, CODE_FOR_msa_fmsub_d, CODE_FOR_msa_fmadd_w)
6385 (CODE_FOR_msa_fmadd_d, CODE_FOR_msa_fmsub_w, CODE_FOR_msa_fmul_w)
6386 (CODE_FOR_msa_fmul_d, CODE_FOR_msa_fdiv_w, CODE_FOR_msa_fdiv_d)
6387 (CODE_FOR_msa_fmax_w, CODE_FOR_msa_fmax_d, CODE_FOR_msa_fmax_a_w)
6388 (CODE_FOR_msa_fmax_a_d, CODE_FOR_msa_fmin_w, CODE_FOR_msa_fmin_d)
6389 (CODE_FOR_msa_fmin_a_w, CODE_FOR_msa_fmin_a_d)
6390 (CODE_FOR_msa_fsqrt_w, CODE_FOR_msa_fsqrt_d)
6391 (CODE_FOR_msa_max_s_b, CODE_FOR_msa_max_s_h)
6392 (CODE_FOR_msa_max_s_w, CODE_FOR_msa_max_s_d)
6393 (CODE_FOR_msa_max_u_b, CODE_FOR_msa_max_u_h)
6394 (CODE_FOR_msa_max_u_w, CODE_FOR_msa_max_u_d)
6395 (CODE_FOR_msa_min_s_b, CODE_FOR_msa_min_s_h)
6396 (CODE_FOR_msa_min_s_w, CODE_FOR_msa_min_s_d)
6397 (CODE_FOR_msa_min_u_b, CODE_FOR_msa_min_u_h)
6398 (CODE_FOR_msa_min_u_w, CODE_FOR_msa_min_u_d)
6399 (CODE_FOR_msa_mod_s_b, CODE_FOR_msa_mod_s_h)
6400 (CODE_FOR_msa_mod_s_w, CODE_FOR_msa_mod_s_d)
6401 (CODE_FOR_msa_mod_u_b, CODE_FOR_msa_mod_u_h)
6402 (CODE_FOR_msa_mod_u_w, CODE_FOR_msa_mod_u_d)
6403 (CODE_FOR_msa_mod_s_b, CODE_FOR_msa_mod_s_h)
6404 (CODE_FOR_msa_mod_s_w, CODE_FOR_msa_mod_s_d)
6405 (CODE_FOR_msa_mod_u_b, CODE_FOR_msa_mod_u_h)
6406 (CODE_FOR_msa_mod_u_w, CODE_FOR_msa_mod_u_d)
6407 (CODE_FOR_msa_mulv_b, CODE_FOR_msa_mulv_h, CODE_FOR_msa_mulv_w)
6408 (CODE_FOR_msa_mulv_d, CODE_FOR_msa_nlzc_b, CODE_FOR_msa_nlzc_h)
6409 (CODE_FOR_msa_nlzc_w, CODE_FOR_msa_nlzc_d, CODE_FOR_msa_nor_v)
6410 (CODE_FOR_msa_or_v, CODE_FOR_msa_ori_b, CODE_FOR_msa_nori_b)
6411 (CODE_FOR_msa_pcnt_b, CODE_FOR_msa_pcnt_h, CODE_FOR_msa_pcnt_w)
6412 (CODE_FOR_msa_pcnt_d, CODE_FOR_msa_xor_v, CODE_FOR_msa_xori_b)
6413 (CODE_FOR_msa_sll_b, CODE_FOR_msa_sll_h, CODE_FOR_msa_sll_w)
6414 (CODE_FOR_msa_sll_d, CODE_FOR_msa_slli_b, CODE_FOR_msa_slli_h)
6415 (CODE_FOR_msa_slli_w, CODE_FOR_msa_slli_d, CODE_FOR_msa_sra_b)
6416 (CODE_FOR_msa_sra_h, CODE_FOR_msa_sra_w, CODE_FOR_msa_sra_d)
6417 (CODE_FOR_msa_srai_b, CODE_FOR_msa_srai_h, CODE_FOR_msa_srai_w)
6418 (CODE_FOR_msa_srai_d, CODE_FOR_msa_srl_b, CODE_FOR_msa_srl_h)
6419 (CODE_FOR_msa_srl_w, CODE_FOR_msa_srl_d, CODE_FOR_msa_srli_b)
6420 (CODE_FOR_msa_srli_h, CODE_FOR_msa_srli_w, CODE_FOR_msa_srli_d)
6421 (CODE_FOR_msa_subv_b, CODE_FOR_msa_subv_h, CODE_FOR_msa_subv_w)
6422 (CODE_FOR_msa_subv_d, CODE_FOR_msa_subvi_b, CODE_FOR_msa_subvi_h)
6423 (CODE_FOR_msa_subvi_w, CODE_FOR_msa_subvi_d, CODE_FOR_msa_move_v)
6424 (CODE_FOR_msa_vshf_b, CODE_FOR_msa_vshf_h, CODE_FOR_msa_vshf_w)
6425 (CODE_FOR_msa_vshf_d, CODE_FOR_msa_ilvod_d, CODE_FOR_msa_ilvev_d)
6426 (CODE_FOR_msa_pckod_d, CODE_FOR_msa_pckdev_d, CODE_FOR_msa_ldi_b)
6427 (CODE_FOR_msa_ldi_hi, CODE_FOR_msa_ldi_w)
6428 (CODE_FOR_msa_ldi_d): New code_aliasing macros.
6429 (mips_builtins): Add MSA sll_b, sll_h, sll_w, sll_d, slli_b,
6430 slli_h, slli_w, slli_d, sra_b, sra_h, sra_w, sra_d, srai_b,
6431 srai_h, srai_w, srai_d, srar_b, srar_h, srar_w, srar_d, srari_b,
6432 srari_h, srari_w, srari_d, srl_b, srl_h, srl_w, srl_d, srli_b,
6433 srli_h, srli_w, srli_d, srlr_b, srlr_h, srlr_w, srlr_d, srlri_b,
6434 srlri_h, srlri_w, srlri_d, bclr_b, bclr_h, bclr_w, bclr_d,
6435 bclri_b, bclri_h, bclri_w, bclri_d, bset_b, bset_h, bset_w,
6436 bset_d, bseti_b, bseti_h, bseti_w, bseti_d, bneg_b, bneg_h,
6437 bneg_w, bneg_d, bnegi_b, bnegi_h, bnegi_w, bnegi_d, binsl_b,
6438 binsl_h, binsl_w, binsl_d, binsli_b, binsli_h, binsli_w,
6439 binsli_d, binsr_b, binsr_h, binsr_w, binsr_d, binsri_b, binsri_h,
6440 binsri_w, binsri_d, addv_b, addv_h, addv_w, addv_d, addvi_b,
6441 addvi_h, addvi_w, addvi_d, subv_b, subv_h, subv_w, subv_d,
6442 subvi_b, subvi_h, subvi_w, subvi_d, max_s_b, max_s_h, max_s_w,
6443 max_s_d, maxi_s_b, maxi_s_h, maxi_s_w, maxi_s_d, max_u_b,
6444 max_u_h, max_u_w, max_u_d, maxi_u_b, maxi_u_h, maxi_u_w,
6445 maxi_u_d, min_s_b, min_s_h, min_s_w, min_s_d, mini_s_b, mini_s_h,
6446 mini_s_w, mini_s_d, min_u_b, min_u_h, min_u_w, min_u_d, mini_u_b,
6447 mini_u_h, mini_u_w, mini_u_d, max_a_b, max_a_h, max_a_w, max_a_d,
6448 min_a_b, min_a_h, min_a_w, min_a_d, ceq_b, ceq_h, ceq_w, ceq_d,
6449 ceqi_b, ceqi_h, ceqi_w, ceqi_d, clt_s_b, clt_s_h, clt_s_w,
6450 clt_s_d, clti_s_b, clti_s_h, clti_s_w, clti_s_d, clt_u_b,
6451 clt_u_h, clt_u_w, clt_u_d, clti_u_b, clti_u_h, clti_u_w,
6452 clti_u_d, cle_s_b, cle_s_h, cle_s_w, cle_s_d, clei_s_b, clei_s_h,
6453 clei_s_w, clei_s_d, cle_u_b, cle_u_h, cle_u_w, cle_u_d, clei_u_b,
6454 clei_u_h, clei_u_w, clei_u_d, ld_b, ld_h, ld_w, ld_d, st_b, st_h,
6455 st_w, st_d, sat_s_b, sat_s_h, sat_s_w, sat_s_d, sat_u_b, sat_u_h,
6456 sat_u_w, sat_u_d, add_a_b, add_a_h, add_a_w, add_a_d, adds_a_b,
6457 adds_a_h, adds_a_w, adds_a_d, adds_s_b, adds_s_h, adds_s_w,
6458 adds_s_d, adds_u_b, adds_u_h, adds_u_w, adds_u_d, ave_s_b,
6459 ave_s_h, ave_s_w, ave_s_d, ave_u_b, ave_u_h, ave_u_w, ave_u_d,
6460 aver_s_b, aver_s_h, aver_s_w, aver_s_d, aver_u_b, aver_u_h,
6461 aver_u_w, aver_u_d, subs_s_b, subs_s_h, subs_s_w, subs_s_d,
6462 subs_u_b, subs_u_h, subs_u_w, subs_u_d, subsuu_s_b, subsuu_s_h,
6463 subsuu_s_w, subsuu_s_d, subsus_u_b, subsus_u_h, subsus_u_w,
6464 subsus_u_d, asub_s_b, asub_s_h, asub_s_w, asub_s_d, asub_u_b,
6465 asub_u_h, asub_u_w, asub_u_d, mulv_b, mulv_h, mulv_w, mulv_d,
6466 maddv_b, maddv_h, maddv_w, maddv_d, msubv_b, msubv_h, msubv_w,
6467 msubv_d, div_s_b, div_s_h, div_s_w, div_s_d, div_u_b, div_u_h,
6468 div_u_w, div_u_d, hadd_s_h, hadd_s_w, hadd_s_d, hadd_u_h,
6469 hadd_u_w, hadd_u_d, hsub_s_h, hsub_s_w, hsub_s_d, hsub_u_h,
6470 hsub_u_w, hsub_u_d, mod_s_b, mod_s_h, mod_s_w, mod_s_d, mod_u_b,
6471 mod_u_h, mod_u_w, mod_u_d, dotp_s_h, dotp_s_w, dotp_s_d,
6472 dotp_u_h, dotp_u_w, dotp_u_d, dpadd_s_h, dpadd_s_w, dpadd_s_d,
6473 dpadd_u_h, dpadd_u_w, dpadd_u_d, dpsub_s_h, dpsub_s_w, dpsub_s_d,
6474 dpsub_u_h, dpsub_u_w, dpsub_u_d, sld_b, sld_h, sld_w, sld_d,
6475 sldi_b, sldi_h, sldi_w, sldi_d, splat_b, splat_h, splat_w,
6476 splat_d, splati_b, splati_h, splati_w, splati_d, pckev_b,
6477 pckev_h, pckev_w, pckev_d, pckod_b, pckod_h, pckod_w, pckod_d,
6478 ilvl_b, ilvl_h, ilvl_w, ilvl_d, ilvr_b, ilvr_h, ilvr_w, ilvr_d,
6479 ilvev_b, ilvev_h, ilvev_w, ilvev_d, ilvod_b, ilvod_h, ilvod_w,
6480 ilvod_d, vshf_b, vshf_h, vshf_w, vshf_d, and_v, andi_b, or_v,
6481 ori_b, nor_v, nori_b, xor_v, xori_b, bmnz_v, bmnzi_b, bmz_v,
6482 bmzi_b, bsel_v, bseli_b, shf_b, shf_h, shf_w, bnz_v, bz_v,
6483 fill_b, fill_h, fill_w, fill_d, pcnt_b, pcnt_h, pcnt_w,
6484 pcnt_d, nloc_b, nloc_h, nloc_w, nloc_d, nlzc_b, nlzc_h, nlzc_w,
6485 nlzc_d, copy_s_b, copy_s_h, copy_s_w, copy_s_d, copy_u_b,
6486 copy_u_h, copy_u_w, copy_u_d, insert_b, insert_h, insert_w,
6487 insert_d, insve_b, insve_h, insve_w, insve_d, bnz_b, bnz_h,
6488 bnz_w, bnz_d, bz_b, bz_h, bz_w, bz_d, ldi_b, ldi_h, ldi_w, ldi_d,
6489 fcaf_w, fcaf_d, fcor_w, fcor_d, fcun_w, fcun_d, fcune_w, fcune_d,
6490 fcueq_w, fcueq_d, fceq_w, fceq_d, fcne_w, fcne_d, fclt_w, fclt_d,
6491 fcult_w, fcult_d, fcle_w, fcle_d, fcule_w, fcule_d, fsaf_w,
6492 fsaf_d, fsor_w, fsor_d, fsun_w, fsun_d, fsune_w, fsune_d,
6493 fsueq_w, fsueq_d, fseq_w, fseq_d, fsne_w, fsne_d, fslt_w,
6494 fslt_d, fsult_w, fsult_d, fsle_w, fsle_d, fsule_w, fsule_d,
6495 fadd_w, fadd_d, fsub_w, fsub_d, fmul_w, fmul_d, fdiv_w, fdiv_d,
6496 fmadd_w, fmadd_d, fmsub_w, fmsub_d, fexp2_w, fexp2_d, fexdo_h,
6497 fexdo_w, ftq_h, ftq_w, fmin_w, fmin_d, fmin_a_w, fmin_a_d,
6498 fmax_w, fmax_d, fmax_a_w, fmax_a_d, mul_q_h, mul_q_w, mulr_q_h,
6499 mulr_q_w, madd_q_h, madd_q_w, maddr_q_h, maddr_q_w, msub_q_h,
6500 msub_q_w, msubr_q_h, msubr_q_w, fclass_w, fclass_d, fsqrt_w,
6501 fsqrt_d, frcp_w, frcp_d, frint_w, frint_d, frsqrt_w, frsqrt_d,
6502 flog2_w, flog2_d, fexupl_w, fexupl_d, fexupr_w, fexupr_d, ffql_w,
6503 ffql_d, ffqr_w, ffqr_d, ftint_s_w, ftint_s_d, ftint_u_w,
6504 ftint_u_d, ftrunc_s_w, ftrunc_s_d, ftrunc_u_w, ftrunc_u_d,
6505 ffint_s_w, ffint_s_d, ffint_u_w, ffint_u_d, ctcmsa, cfcmsa,
6507 (mips_get_builtin_decl_index): New array.
6508 (MIPS_ATYPE_QI, MIPS_ATYPE_HI, MIPS_ATYPE_V2DI, MIPS_ATYPE_V4SI)
6509 (MIPS_ATYPE_V8HI, MIPS_ATYPE_V16QI, MIPS_ATYPE_V2DF)
6510 (MIPS_ATYPE_V4SF, MIPS_ATYPE_UV2DI, MIPS_ATYPE_UV4SI)
6511 (MIPS_ATYPE_UV8HI, MIPS_ATYPE_UV16QI): New.
6512 (mips_init_builtins): Initialize mips_get_builtin_decl_index
6514 (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define target
6516 (mips_expand_builtin_insn): Prepare operands for
6517 CODE_FOR_msa_addvi_b, CODE_FOR_msa_addvi_h, CODE_FOR_msa_addvi_w,
6518 CODE_FOR_msa_addvi_d, CODE_FOR_msa_clti_u_b,
6519 CODE_FOR_msa_clti_u_h, CODE_FOR_msa_clti_u_w,
6520 CODE_FOR_msa_clti_u_d, CODE_FOR_msa_clei_u_b,
6521 CODE_FOR_msa_clei_u_h, CODE_FOR_msa_clei_u_w,
6522 CODE_FOR_msa_clei_u_d, CODE_FOR_msa_maxi_u_b,
6523 CODE_FOR_msa_maxi_u_h, CODE_FOR_msa_maxi_u_w,
6524 CODE_FOR_msa_maxi_u_d, CODE_FOR_msa_mini_u_b,
6525 CODE_FOR_msa_mini_u_h, CODE_FOR_msa_mini_u_w,
6526 CODE_FOR_msa_mini_u_d, CODE_FOR_msa_subvi_b,
6527 CODE_FOR_msa_subvi_h, CODE_FOR_msa_subvi_w, CODE_FOR_msa_subvi_d,
6528 CODE_FOR_msa_ceqi_b, CODE_FOR_msa_ceqi_h, CODE_FOR_msa_ceqi_w,
6529 CODE_FOR_msa_ceqi_d, CODE_FOR_msa_clti_s_b,
6530 CODE_FOR_msa_clti_s_h, CODE_FOR_msa_clti_s_w,
6531 CODE_FOR_msa_clti_s_d, CODE_FOR_msa_clei_s_b,
6532 CODE_FOR_msa_clei_s_h, CODE_FOR_msa_clei_s_w,
6533 CODE_FOR_msa_clei_s_d, CODE_FOR_msa_maxi_s_b,
6534 CODE_FOR_msa_maxi_s_h, CODE_FOR_msa_maxi_s_w,
6535 CODE_FOR_msa_maxi_s_d, CODE_FOR_msa_mini_s_b,
6536 CODE_FOR_msa_mini_s_h, CODE_FOR_msa_mini_s_w,
6537 CODE_FOR_msa_mini_s_d, CODE_FOR_msa_andi_b, CODE_FOR_msa_ori_b,
6538 CODE_FOR_msa_nori_b, CODE_FOR_msa_xori_b, CODE_FOR_msa_bmzi_b,
6539 CODE_FOR_msa_bmnzi_b, CODE_FOR_msa_bseli_b, CODE_FOR_msa_fill_b,
6540 CODE_FOR_msa_fill_h, CODE_FOR_msa_fill_w, CODE_FOR_msa_fill_d,
6541 CODE_FOR_msa_ilvl_b, CODE_FOR_msa_ilvl_h, CODE_FOR_msa_ilvl_w,
6542 CODE_FOR_msa_ilvl_d, CODE_FOR_msa_ilvr_b, CODE_FOR_msa_ilvr_h,
6543 CODE_FOR_msa_ilvr_w, CODE_FOR_msa_ilvr_d, CODE_FOR_msa_ilvev_b,
6544 CODE_FOR_msa_ilvev_h, CODE_FOR_msa_ilvev_w, CODE_FOR_msa_ilvod_b,
6545 CODE_FOR_msa_ilvod_h, CODE_FOR_msa_ilvod_w, CODE_FOR_msa_pckev_b,
6546 CODE_FOR_msa_pckev_h, CODE_FOR_msa_pckev_w, CODE_FOR_msa_pckod_b,
6547 CODE_FOR_msa_pckod_h, CODE_FOR_msa_pckod_w, CODE_FOR_msa_slli_b,
6548 CODE_FOR_msa_slli_h, CODE_FOR_msa_slli_w, CODE_FOR_msa_slli_d,
6549 CODE_FOR_msa_srai_b, CODE_FOR_msa_srai_h, CODE_FOR_msa_srai_w,
6550 CODE_FOR_msa_srai_d, CODE_FOR_msa_srli_b, CODE_FOR_msa_srli_h,
6551 CODE_FOR_msa_srli_w, CODE_FOR_msa_srli_d, CODE_FOR_msa_insert_b,
6552 CODE_FOR_msa_insert_h, CODE_FOR_msa_insert_w,
6553 CODE_FOR_msa_insert_d, CODE_FOR_msa_insve_b,
6554 CODE_FOR_msa_insve_h, CODE_FOR_msa_insve_w, CODE_FOR_msa_insve_d,
6555 CODE_FOR_msa_shf_b, CODE_FOR_msa_shf_h, CODE_FOR_msa_shf_w,
6556 CODE_FOR_msa_shf_w_f, CODE_FOR_msa_vshf_b, CODE_FOR_msa_vshf_h,
6557 CODE_FOR_msa_vshf_w, CODE_FOR_msa_vshf_d.
6558 (mips_expand_builtin): Add case for MIPS_BULTIN_MSA_TEST_BRANCH.
6559 (mips_set_compression_mode): Disallow MSA with MIPS16 code.
6560 (mips_option_override): -mmsa requires -mfp64 and -mhard-float.
6561 These are set implicitly and an error is reported if overridden.
6562 (mips_expand_builtin_msa_test_branch): New function.
6563 (mips_expand_msa_shuffle): Likewise.
6564 (MAX_VECT_LEN): Increase maximum length of a vector to 16 bytes.
6565 (TARGET_SCHED_REASSOCIATION_WIDTH): Define target hook.
6566 (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Likewise.
6567 (mips_expand_vec_unpack): Add support for MSA.
6568 (mips_expand_vector_init): Likewise.
6569 (mips_expand_vi_constant): Use CONST0_RTX (element_mode)
6570 instead of const0_rtx.
6571 (mips_msa_vec_parallel_const_half): New function.
6572 (mips_gen_const_int_vector): Likewise.
6573 (mips_gen_const_int_vector_shuffle): Likewise.
6574 (mips_expand_msa_cmp): Likewise.
6575 (mips_expand_vec_cond_expr): Likewise.
6576 * config/mips/mips.h
6577 (TARGET_CPU_CPP_BUILTINS): Add __mips_msa and __mips_msa_width.
6578 (OPTION_DEFAULT_SPECS): Ignore --with-fp-32 if -mmsa is
6580 (ASM_SPEC): Pass mmsa and mno-msa to the assembler.
6581 (ISA_HAS_MSA): New macro.
6582 (UNITS_PER_MSA_REG): Likewise.
6583 (BITS_PER_MSA_REG): Likewise.
6584 (BIGGEST_ALIGNMENT): Redefine using ISA_HAS_MSA.
6585 (MSA_REG_FIRST): New macro.
6586 (MSA_REG_LAST): Likewise.
6587 (MSA_REG_NUM): Likewise.
6588 (MSA_REG_P): Likewise.
6589 (MSA_REG_RTX_P): Likewise.
6590 (MSA_SUPPORTED_MODE_P): Likewise.
6591 (HARD_REGNO_CALL_PART_CLOBBERED): Redefine using TARGET_MSA.
6592 (ADDITIONAL_REGISTER_NAMES): Add named registers $w0-$w31.
6593 * config/mips/mips.md: Include mips-msa.md.
6594 (alu_type): Add simd_add.
6595 (mode): Add V2DI, V4SI, V8HI, V16QI, V2DF, V4SF.
6596 (type): Add simd_div, simd_fclass, simd_flog2, simd_fadd,
6597 simd_fcvt, simd_fmul, simd_fmadd, simd_fdiv, simd_bitins,
6598 simd_bitmov, simd_insert, simd_sld, simd_mul, simd_fcmp,
6599 simd_fexp2, simd_int_arith, simd_bit, simd_shift, simd_splat,
6600 simd_fill, simd_permute, simd_shf, simd_sat, simd_pcnt,
6601 simd_copy, simd_branch, simd_cmsa, simd_fminmax, simd_logic,
6602 simd_move, simd_load, simd_store. Choose "multi" for moves
6604 (qword_mode): New attribute.
6605 (insn_count): Add instruction count for quad moves.
6606 Increase the count for MIPS SIMD division.
6607 (UNITMODE): Add UNITMODEs for vector types.
6608 (addsub): New code iterator.
6609 * config/mips/mips.opt (mmsa): New option.
6610 * config/mips/msa.h: New file.
6611 * config/mips/mti-elf.h: Don't infer -mfpxx if -mmsa is
6613 * config/mips/mti-linux.h: Likewise.
6614 * config/mips/predicates.md
6615 (const_msa_branch_operand): New constraint.
6616 (const_uimm3_operand): Likewise.
6617 (const_uimm4_operand): Likewise.
6618 (const_uimm5_operand): Likewise.
6619 (const_uimm8_operand): Likewise.
6620 (const_imm5_operand): Likewise.
6621 (aq10b_operand): Likewise.
6622 (aq10h_operand): Likewise.
6623 (aq10w_operand): Likewise.
6624 (aq10d_operand): Likewise.
6625 (const_m1_operand): Likewise.
6626 (reg_or_m1_operand): Likewise.
6627 (const_exp_2_operand): Likewise.
6628 (const_exp_4_operand): Likewise.
6629 (const_exp_8_operand): Likewise.
6630 (const_exp_16_operand): Likewise.
6631 (const_vector_same_val_operand): Likewise.
6632 (const_vector_same_simm5_operand): Likewise.
6633 (const_vector_same_uimm5_operand): Likewise.
6634 (const_vector_same_uimm6_operand): Likewise.
6635 (const_vector_same_uimm8_operand): Likewise.
6636 (par_const_vector_shf_set_operand): Likewise.
6637 (reg_or_vector_same_val_operand): Likewise.
6638 (reg_or_vector_same_simm5_operand): Likewise.
6639 (reg_or_vector_same_uimm6_operand): Likewise.
6640 * doc/extend.texi (MIPS SIMD Architecture Functions): New
6642 * doc/invoke.texi (-mmsa): Document new option.
6644 2016-05-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6646 * configure.ac (enable_vtable_verify): Handle --enable-vtable-verify.
6647 * configure: Regenerate.
6648 * config.in: Regenerate.
6649 * gcc.c (VTABLE_VERIFICATION_SPEC) [!ENABLE_VTABLE_VERIFY]: Error
6651 * config/sol2.h [!ENABLE_VTABLE_VERIFY] (STARTFILE_VTV_SPEC): Define.
6652 (ENDFILE_VTV_SPEC): Define.
6654 2016-05-09 Kaushik Phatak <kaushik.phatak@kpit.com>
6656 * config/rl78/rl78.c (rl78_expand_prologue): Save the MDUC related
6657 registers in all interrupt handlers if necessary.
6658 (rl78_option_override): Add warning.
6659 (MUST_SAVE_MDUC_REGISTERS): New macro.
6660 (rl78_expand_epilogue): Restore the MDUC registers if necessary.
6661 * config/rl78/rl78.c (check_mduc_usage): New function.
6662 (mduc_regs): New structure to hold MDUC register data.
6663 * config/rl78/rl78.md (is_g13_muldiv_insn): New attribute.
6664 (mulsi3_g13): Add is_g13_muldiv_insn attribute.
6665 (udivmodsi4_g13): Add is_g13_muldiv_insn attribute.
6666 (mulhi3_g13): Add is_g13_muldiv_insn attribute.
6667 * config/rl78/rl78.opt (msave-mduc-in-interrupts): New option.
6668 * doc/invoke.texi (RL78 Options): Add -msave-mduc-in-interrupts.
6670 2016-05-09 Bin Cheng <bin.cheng@arm.com>
6672 * tree-if-conv.c (tree-ssa-loop.h): Include header file.
6673 (tree-ssa-loop-niter.h): Ditto.
6674 (idx_within_array_bound, ref_within_array_bound): New functions.
6675 (ifcvt_memrefs_wont_trap): Check if array ref is within bound.
6676 Factor out check on writable base object to ...
6677 (base_object_writable): ... here.
6679 2016-05-09 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
6681 * config/arm/arm.md (probe_stack): Add modes to set source
6684 2016-05-09 Bernd Schmidt <bschmidt@redhat.com>
6686 * regrename.c (base_reg_class_for_rename): New static function.
6687 (scan_rtx_address, scan_rtx): Use it instead of base_reg_class.
6689 2016-05-08 Jan Hubicka <hubicka@ucw.cz>
6691 * cgraph.c (thunk_adjust): Export.
6692 * cgraphclones.c (cgraph_node::create_clone): Clone thunk info.
6693 * cgraphunit.c (thunk_adjust): Export.
6694 (cgraph_node::assemble_thunks_and_aliases): Do not assemble inlined
6696 * ipa-inline-analyssi.c (compute_inline_parameters): Thunks are
6698 * tree-inline.c (expand_call_inline): Expand thunks inline.
6700 2016-05-08 Uros Bizjak <ubizjak@gmail.com>
6703 * config/i386/sse.md (*sse2_vd_cvtsd2ss): New insn pattern.
6704 (*sse2_vd_cvtss2sd): Ditto.
6705 * config/i386/i386.md
6706 (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_truncate df->sf splitter):
6707 Generate *sse2_vd_cvtsd2ss pattern.
6708 (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_extend sf->df splitter):
6709 Generate *sse2_vd_cvtss2sd pattern.
6711 2016-05-08 Oleg Endo <olegendo@gcc.gnu.org>
6713 * config/sh/sh.h (GET_SH_ARG_CLASS): Convert macro into ...
6714 * config/sh/sh.c (get_sh_arg_class): ... this new function. Update its
6717 2016-05-08 Oleg Endo <olegendo@gcc.gnu.org>
6719 * config/sh/sh-protos.h (sh_media_register_for_return): Remove.
6720 * config/sh/sh.c: Define and declare variables on first use throughout
6722 (current_function_interrupt): Change to bool type.
6723 (frame_insn): Rename to emit_frame_insn and update users.
6724 (push_regs): Use bool for 'interrupt_handler' argument.
6725 (save_schedule_s): Remove.
6726 (TARGET_ASM_UNALIGNED_DI_OP, TARGET_ASM_ALIGNED_DI_OP): Remove.
6727 (sh_option_override): Don't nullify targetm.asm_out.aligned_op.di and
6728 targetm.asm_out.unaligned_op.di.
6729 (gen_far_branch): Remove redundant forward declaration.
6730 (sh_media_register_for_return, MAX_SAVED_REGS, save_entry_s, save_entry,
6731 MAX_TEMPS, save_schedule_ssave_schedule): Remove.
6732 (sh_set_return_address, sh_function_ok_for_sibcall,
6733 scavenge_reg): Update comments.
6734 (sh_builtin_saveregs): Use TRAGET_FPU_ANY condition.
6735 (sh2a_get_function_vector_number, sh2a_function_vector_p): Use for loop.
6736 (sh_attr_renesas_p): Remove unnecessary parentheses.
6737 (branch_dest): Simplify.
6738 * config/sh/sh.h (sh_args): Remove byref, byref_regs, stack_regs fields.
6739 Change force_mem, prototype_p, outgoing, renesas_abi fields to bool.
6740 (CUMULATIVE_ARGS): Change macro to typedef.
6741 (current_function_interrupt): Change to bool type.
6742 (sh_arg_class, sh_args, CUMULATIVE_ARGS, current_function_interrupt):
6743 Surround with __cplusplus ifdef.
6744 (sh_compare_op0, sh_compare_op1): Remove.
6745 (EPILOGUE_USES): Use TARGET_FPU_ANY condition.
6747 2016-05-07 Jim Wilson <jim.wilson@linaro.org>
6749 * config/arm/arm.md: (arch): Add neon.
6750 (arch_enabled): Return yes for arch neon when TARGET_NEON.
6751 * config/arm/vfp.md (movdf_vfp): Add w/G as alternative 3. Add
6752 neon_move as type for alt 3. Add arch attr enabling alt 3 for neon.
6753 Emit vmov.i64 for alt 3. Renumber alternatives 3 to 8. Adjust
6754 attributes for alt renumbering. Mark alt 3 as non-predicable.
6755 (thumb2_movdf_vfp): Likewise.
6757 2016-05-07 Uros Bizjak <ubizjak@gmail.com>
6759 * config/i386/i386.md (*addqi_1): Add preferred_for_speed attribute
6760 to disparage alternatives 3 and 4 for TARGET_PARTIAL_REG_STALL targets.
6761 (*andqi_1): Add preferred_for_speed attribute to disparage
6762 alternative 2 for TARGET_PARTIAL_REG_STALL targets.
6763 (*<code>qi_1): Ditto.
6764 (*one_cmplqi2_1): Add preferred_for_speed attribute to disparage
6765 alternative 1 for TARGET_PARTIAL_REG_STALL targets.
6766 (*ashlqi3_1): Ditto.
6767 (*swap<mode>): Merge from *swap<mode>_1 and *swap<mode>_2 patterns.
6768 Add preferred_for_size attribute to disparage alternative 0 and
6769 preferred_for_speed attribute to disparage alternative 1 for
6770 TARGET_PARTIAL_REG_STALL targets.
6772 2016-05-07 Tom de Vries <tom@codesourcery.com>
6774 PR tree-optimization/70956
6775 * graphite-scop-detection.c (build_cross_bb_scalars_def): Handle NULL
6778 2016-05-07 Oleg Endo <olegendo@gcc.gnu.org>
6780 * config/sh/sh-protos.h (sh_cbranch_distance): Declare new function.
6781 * config/sh/sh.c (sh_cbranch_distance): Implement it.
6782 * config/sh/sh.md (branch_zero): Remove define_attr.
6783 (define_delay): Disable delay slot if branch distance is one insn.
6785 2016-05-06 Uros Bizjak <ubizjak@gmail.com>
6787 * config/i386/i386.md (LEAMODE): New mode attribute.
6788 (plus to LEA splitter): Rewrite splitter using LEAMODE mode attribute.
6789 (ashift to LEA splitter): Rewrte splitter using SWI mode iterator
6790 and LEAMODE mode attribute. Use VOIDmode const_0_to_3_operand as
6791 operand 2 predicate.
6792 (*lea<mode>_general_2): Use VOIDmode for const248_operand.
6793 (*lea<mode>_general_3): Ditto.
6794 (*lea<mode>_general_4): Use VOIDmode for const_0_to_3_operand.
6796 2016-05-06 Jakub Jelinek <jakub@redhat.com>
6798 * genmddump.c (main): Convert argv from char ** to const char **.
6800 2016-05-06 David Malcolm <dmalcolm@redhat.com>
6802 * coretypes.h (OVERRIDE): New macro.
6805 2016-05-06 Eric Botcazou <ebotcazou@adacore.com>
6807 * tree-ssa-coalesce.c (gimple_can_coalesce_p): In the optimized case,
6808 allow coalescing if the types are compatible.
6810 2016-05-06 David Malcolm <dmalcolm@redhat.com>
6812 * pass_manager.h (pass_manager::register_pass_name): New method.
6813 (pass_manager::get_pass_by_name): New method.
6814 (pass_manager::create_pass_tab): New method.
6815 (pass_manager::m_name_to_pass_map): New field.
6816 * passes.c (name_to_pass_map): Delete global in favor of field
6817 "m_name_to_pass_map" of pass_manager.
6818 (register_pass_name): Rename from a function to...
6819 (pass_manager::register_pass_name): ...this method, updating
6820 for renaming of global "name_to_pass_map" to field
6821 "m_name_to_pass_map".
6822 (create_pass_tab): Rename from a function to...
6823 (pass_manager::create_pass_tab): ...this method, updating
6824 for renaming of global "name_to_pass_map" to field.
6825 (get_pass_by_name): Rename from a function to...
6826 (pass_manager::get_pass_by_name): ...this method.
6827 (enable_disable_pass): Convert use of get_pass_by_name to
6828 a method call, locating the pass_manager singleton.
6830 2016-05-06 David Malcolm <dmalcolm@redhat.com>
6832 * genattr-common.c (main): Convert argv from char ** to const char **.
6833 * genattr.c (main): Likewise.
6834 * genattrtab.c (main): Likewise.
6835 * genautomata.c (initiate_automaton_gen): Likewise.
6837 * gencodes.c (main): Likewise.
6838 * genconditions.c (main): Likewise.
6839 * genconfig.c (main): Likewise.
6840 * genconstants.c (main): Likewise.
6841 * genemit.c (main): Likewise.
6842 * genenums.c (main): Likewise.
6843 * genextract.c (main): Likewise.
6844 * genflags.c (main): Likewise.
6845 * genmddeps.c (main): Likewise.
6846 * genopinit.c (main): Likewise.
6847 * genoutput.c (main): Likewise.
6848 * genpeep.c (main): Likewise.
6849 * genpreds.c (main): Likewise.
6850 * genrecog.c (main): Likewise.
6851 * gensupport.c (init_rtx_reader_args_cb): Likewise.
6852 (init_rtx_reader_args): Likewise.
6853 * gensupport.h (init_rtx_reader_args_cb): Likewise.
6854 (init_rtx_reader_args): Likewise.
6855 * gentarget-def.c (main): Likewise.
6856 * read-md.c (read_md_files): Likewise.
6857 * read-md.h (read_md_files): Likewise.
6859 2016-05-06 Uros Bizjak <ubizjak@gmail.com>
6861 * config/i386/i386.md (int cmove peephole2s): Use general_reg_operand
6862 instead of register_and_not_any_fp_reg_operand as operand 0 predicate.
6863 * config/i386/predicates.md (register_and_not_any_fp_reg_operand):
6864 Remove unused predicate.
6865 (register_and_not_fp_reg_operand): Ditto.
6867 2016-05-06 Martin Liska <mliska@suse.cz>
6869 * tree-if-conv.c (ifcvt_split_critical_edges): Use auto_vec
6870 instead of vec as the vector is local to the function.
6872 2016-05-06 Jakub Jelinek <jakub@redhat.com>
6874 * config/i386/sse.md (*<code>v8hi3, *<code>v16qi3): Add
6875 avx512bw alternative.
6877 * config/i386/sse.md (<mask_codefor>ashr<mode>3<mask_name>): Move
6878 before the ashr<mode>3 pattern.
6880 * config/i386/sse.md (*avx2_pmaddwd, *sse2_pmaddwd): Use
6881 v instead of x in vex or maybe_vex alternatives, use
6882 maybe_evex instead of vex in prefix.
6884 * config/i386/sse.md (*vec_extractv4sf_0, *sse4_1_extractps,
6885 *vec_extractv4sf_mem, vec_extract_lo_v16hi, vec_extract_hi_v16hi,
6886 vec_extract_lo_v32qi, vec_extract_hi_v32qi): Use v instead of x
6887 in vex or maybe_vex alternatives, use maybe_evex instead of vex
6890 * config/i386/sse.md (*vec_concatv2sf_sse4_1, *vec_concatv4sf): Use
6891 v instead of x in vex or maybe_vex alternatives, use
6892 maybe_evex instead of vex in prefix.
6894 * config/i386/sse.md (sse_shufps_<mode>, sse_storehps, sse_loadhps,
6895 sse_storelps, sse_movss, avx2_vec_dup<mode>, avx2_vec_dupv8sf_1,
6896 sse2_shufpd_<mode>, sse2_storehpd, sse2_storelpd, sse2_loadhpd,
6897 sse2_loadlpd, sse2_movsd): Use v instead of x in vex or maybe_vex
6898 alternatives, use maybe_evex instead of vex in prefix.
6900 * config/i386/sse.md (vec_interleave_lowv4sf,
6901 *vec_interleave_highv2df, *vec_interleave_lowv2df): Use
6902 v instead of x in vex or maybe_vex alternatives, use
6903 maybe_evex instead of vex in prefix.
6905 * config/i386/sse.md (sse_movhlps, sse_movlhps): Use
6906 v instead of x in vex or maybe_vex alternatives, use
6907 maybe_evex instead of vex in prefix.
6909 * config/i386/sse.md (*avx_cvtpd2dq256_2, *avx_cvtps2pd256_2): Use
6910 v constraint instead of x.
6912 2016-05-06 Nathan Sidwell <nathan@codesourcery.com>
6914 * gimple.c (gimple_call_same_target_p): Unique functions are eq.
6915 * tree-ssa-tail-merge.c (same_succ::equal): Check pointer eq
6918 2016-05-06 Richard Biener <rguenther@suse.de>
6920 PR tree-optimization/70948
6921 * tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
6922 Properly clobber all fields of va_list for __builtin_va_start.
6924 2016-05-06 Yuri Rumyantsev <ysrumyan@gmail.com>
6927 * tree-ssa-loop-unswitch.c (find_loop_guard): Reject guard edge with
6928 loop latch destination.
6930 2016-05-06 Martin Liska <mliska@suse.cz>
6932 * tree-ssa-uninit.c: Apply manual changes
6933 to the GNU coding style.
6934 (prune_uninit_phi_opnds): Rename from
6935 prune_uninit_phi_opnds_in_unrealizable_paths.
6937 2016-05-06 Oleg Endo <olegendo@gcc.gnu.org>
6939 * config/sh/sh.opt (madjust-unroll, minvalid-symbols, msoft-atomic,
6940 mspace): Remove deprecated options.
6941 * doc/invoke.texi (SH options): Remove -mspace.
6943 2016-05-06 Oleg Endo <olegendo@gcc.gnu.org>
6945 * config/sh/sh.md (ic_invalidate_line_sh4a): Fix insn length.
6947 2016-05-06 Oleg Endo <olegendo@gcc.gnu.org>
6949 * config/sh/sh.md (*cmpeqsi_t): Remove combine insn pattern and similar
6950 corresponding combine split pattern.
6952 2016-05-06 Oleg Endo <olegendo@gcc.gnu.org>
6955 * config/sh/predicates.md (long_displacement_mem_operand): New.
6956 * config/sh/sh.md (movsi_i): Allow for SH2A, disallow for any FPU.
6957 Add movi20, movi20s alternatives. Adjust length attribute for
6959 (movsi_ie): Allow for any FPU. Adjust length attribute for
6961 (movsi_i_lowpart): Add movi20, movi20s alternatives. Adjust length
6962 attribute for alternatives.
6963 (*mov<mode>): Use long_displacement_mem_operand for length attribute.
6964 (*movdi_i, movdf_k, movdf_i4, movsf_i, movsf_ie, movsf_ie_ra): Adjust
6965 length attribute for alternatives.
6967 2016-05-06 Richard Biener <rguenther@suse.de>
6969 PR tree-optimization/70960
6970 * tree-if-conv.c (ifcvt_walk_pattern_tree): Handle non-SSA ops.
6972 2016-05-06 Oleg Endo <olegendo@gcc.gnu.org>
6975 * config/sh/sh.md (*cmp_div0s_7, *cmp_div0s_8): Add div0s variants.
6976 * config/sh/sh.c (sh_rtx_costs): Add another div0s case.
6978 2016-05-06 Marek Polacek <polacek@redhat.com>
6981 * ubsan.c (get_ubsan_type_info_for_type): Remove assert.
6983 2016-05-06 Oleg Endo <olegendo@gcc.gnu.org>
6986 * config/sh/sh.md (*rotcr): Add another variant.
6988 2016-05-06 Richard Biener <rguenther@suse.de>
6991 * dwarf2out.c (native_encode_initializer): Skip zero-sized fields.
6993 2016-05-06 Richard Biener <rguenther@suse.de>
6996 * fold-const.c (split_tree): Always convert to the original type
6999 2016-05-06 Richard Biener <rguenther@suse.de>
7001 * fwprop.c (fwprop): Remove duplicate cleanup_cfg call.
7002 (fwprop_addr): Likewise.
7004 2016-05-06 Uros Bizjak <ubizjak@gmail.com>
7007 * config/i386/i386-protos.h (ix86_standard_x87sse_constant_load_p):
7009 * config/i386/i386.c (ix86_standard_x87sse_constant_load_p): New.
7010 * config/i386/i386.md (push mem splitter): Use find_constant_src in
7011 the splitter condition.
7012 (FP load splitter): Use ix86_standard_x87sse_constant_load_p in
7013 the splitter condition.
7014 (FP float_extend load splitter): Ditto.
7016 2016-05-05 Uros Bizjak <ubizjak@gmail.com>
7018 * config/i386/i386.md (peehole2 patterns): Change true_regnum
7019 to REGNO in all peephole2 patterns.
7020 (post-reload splitters): Change true_regnum to REGNO in
7021 post-reload splitters.
7022 (zero_extend splitters): Use general_reg_operand and
7023 nonimmediate_gr_operand predicates.
7025 2016-05-05 Jakub Jelinek <jakub@redhat.com>
7027 * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>): Use
7028 v constraint instead of x.
7030 2016-05-05 Alan Modra <amodra@gmail.com>
7033 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Don't
7034 set OPTION_MASK_RELOCATABLE when flag_pic == 2. Set
7035 TARGET_NO_FP_IN_TOC for -mrelocatable.
7036 (MINIMAL_TOC_SECTION_ASM_OP): Remove redundant
7037 TARGET_RELOCATABLE test.
7038 (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
7039 (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
7040 * config/rs6000/linux64.h (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
7041 (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
7042 (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
7043 * config/rs6000/freebsd64.h (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
7044 (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
7045 (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
7046 * config/rs6000/predicates.md (easy_fp_constant): Likewise.
7047 * config/rs6000/rs6000.c (rs6000_elf_output_toc_section_asm_op):
7049 (rs6000_assemble_integer): Update TARGET_RELOCATABLE test.
7050 (rs6000_stack_info): Likewise.
7051 (rs6000_elf_asm_out_constructor): Likewise.
7052 (rs6000_elf_asm_out_destructor): Likewise.
7053 (rs6000_elf_declare_function_name): Likewise.
7054 * config/rs6000/rs6000.md (load_toc_aix_di): Likewise.
7055 * config/rs6000/rs6000.h (MASK_RELOCATABLE, MASK_MINIMAL_TOC):
7058 2016-05-05 Alan Modra <amodra@gmail.com>
7060 * config/rs6000/rs6000.c (rs6000_frame_related): Rewrite.
7062 2016-05-05 Alan Modra <amodra@gmail.com>
7064 * config/rs6000/rs6000.c (rs6000_savres_strategy): Don't use
7065 out-of-line gpr restore for one or two regs if that would add
7068 2016-05-04 Uros Bizjak <ubizjak@gmail.com>
7071 * config/i386/i386.md
7072 (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_extend sf->df peephole2):
7073 Change to post-epilogue_completed late splitter. Use sse_reg_operand
7074 as operand 0 predicate.
7075 (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_truncate df->sf peephole2):
7077 (TARGET_SSE_PARTIAL_REG_DEPENDENCY float {si,di}->{sf,df} peephole2):
7078 Ditto. Emit the pattern using RTX.
7080 (TARGET_USE_VECTOR_FP_CONVERTS float_extend sf->df splitter):
7081 Use sse_reg_opreand as operand 0 predicate. Do not use true_regnum in
7082 the post-reload splitter. Use lowpart_subreg instead of gen_rtx_REG.
7083 (TARGET_USE_VECTOR_FP_CONVERTS float_truncate df->sf splitter):
7085 (TARGET_USE_VECTOR_CONVERTS float si->{sf,df} splitter): Use
7086 sse_reg_operand as operand 0 predicate.
7088 (TARGET_SPLIT_MEM_OPND_FOR_FP_CONVERTS float_extend sf->df peephole2):
7089 Use sse_reg_opreand as operand 0 predicate. Use lowpart_subreg
7090 instead of gen_rtx_REG.
7091 (TARGET_SPLIT_MEM_OPND_FOR_FP_CONVERTS float_truncate sf->df peephole2):
7094 2016-05-04 Segher Boessenkool <segher@kernel.crashing.org>
7096 * function.c (emit_use_return_register_into_block): Delete.
7097 (gen_return_pattern): Delete.
7098 (emit_return_into_block): Delete.
7099 (active_insn_between): Delete.
7100 (convert_jumps_to_returns): Delete.
7101 (emit_return_for_exit): Delete.
7102 (thread_prologue_and_epilogue_insns): Delete all code dealing with
7103 simple_return for shrink-wrapped blocks.
7104 * shrink-wrap.c (try_shrink_wrapping): Insert simple_return at the
7105 end of blocks that need one.
7106 (get_unconverted_simple_return): Delete.
7107 (convert_to_simple_return): Delete.
7108 * shrink-wrap.c (get_unconverted_simple_return): Delete declaration.
7109 (convert_to_simple_return): Ditto.
7111 2016-05-04 Segher Boessenkool <segher@kernel.crashing.org>
7113 * cfgcleanup.c (bb_is_just_return): New function.
7114 (try_optimize_cfg): Simplify jumps to return, branches to return,
7115 and branches around return.
7117 2016-05-04 Segher Boessenkool <segher@kernel.crashing.org>
7119 * cfgcleanup.c (try_simplify_condjump): Don't try to simplify a
7122 2016-05-04 Jakub Jelinek <jakub@redhat.com>
7126 * tree-core.h (enum operand_equal_flag): Add OEP_HASH_CHECK.
7127 * tree.c (inchash::add_expr): If !IS_EXPR_CODE_CLASS (tclass),
7128 assert flags & OEP_HASH_CHECK, instead of asserting it
7129 never happens. Handle TARGET_EXPR.
7130 * fold-const.c (operand_equal_p): For hash verification,
7131 or in OEP_HASH_CHECK into flags.
7133 2016-05-04 Eric Botcazou <ebotcazou@adacore.com>
7135 * tree-ssa-coalesce.c (gimple_can_coalesce_p): Fix reference in head
7137 (compute_samebase_partition_bases): Fix typo.
7139 2016-05-04 Jakub Jelinek <jakub@redhat.com>
7141 * config/i386/sse.md (vec_interleave_highv8sf,
7142 vec_interleave_lowv8sf, vec_interleave_highv4df,
7143 vec_interleave_lowv4df): Remove constraints from expanders.
7145 * config/i386/sse.md (sse2_movq128): Use v constraint instead of x.
7147 2016-05-04 Jan Hubicka <hubicka@ucw.cz>
7149 * tree-inline.c (expand_call_inline): Fix path dealing with
7150 making lhs of call statement undefined.
7152 2016-05-04 Jan Hubicka <hubicka@ucw.cz>
7154 * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases):
7155 Check availability on NODE, too.
7156 * cgraph.h (symtab_node::call_for_symbol_and_aliases): Likewise.
7157 (cgraph_node::call_for_symbol_and_aliases): Likewise.
7158 (varpool_node::call_for_symbol_and_aliase): Likewise.
7159 * ipa-pure-const.c (add_new_function): Analyze all bodies.
7160 (propagate_pure_const): Propagate across interposable functions, too.
7161 (skip_function_for_local_pure_const): Do not skip interposable bodies
7163 (pass_local_pure_const::execute): Update.
7165 2016-05-04 Marek Polacek <polacek@redhat.com>
7167 * doc/invoke.texi: Document -Wdangling-else.
7169 2016-05-04 Thomas Preud'homme <thomas.preudhomme@arm.com>
7171 * config.gcc: Error out when conflicting multilib is detected. Do not
7172 loop over multilibs since no combination is legal.
7174 2016-05-04 Alan Modra <amodra@gmail.com>
7176 * config/rs6000/rs6000.h (PIC_OFFSET_TABLE_REGNUM): Correct.
7177 * config/rs6000/sysv4.h (TARGET_TOC): Simplify.
7178 * config/rs6000/rs6000.c (rs6000_elf_output_toc_section_asm_op):
7181 2016-05-04 Matthew Fortune <matthew.fortune@imgtec.com>
7183 * config/mips/mips-cpus.def (p5600): Avoid IMADD by default.
7184 Clean up p5600 comments.
7186 2016-05-04 Richard Biener <rguenther@suse.de>
7188 * match.pd: Add BIT_FIELD_REF canonicalizations and vector
7189 constructor simplifications.
7190 * fold-const.c (fold_ternary_loc): Remove duplicate functionality here.
7192 2016-05-04 Oleg Endo <olegendo@gcc.gnu.org>
7194 * config/sh/predicates (post_inc_mem, pre_dec_mem): New predicates.
7195 * config/sh/sh-protos.h (sh_find_set_of_reg): Return null result if
7196 result.set_rtx is null instead of aborting.
7197 * config/sh/sh.h (USE_LOAD_POST_INCREMENT, USE_STORE_PRE_DECREMENT):
7199 (USE_LOAD_PRE_DECREMENT, USE_STORE_POST_INCREMENT): Enable for SH2A.
7200 * config/sh/sh.md (*extend<mode>si2_predec, *mov<mode>_load_predec,
7201 *mov<mode>_store_postinc): New patterns.
7203 2016-05-04 Marc Glisse <marc.glisse@inria.fr>
7205 * match.pd ((A | B) & (A | C)): Generalize to BIT_XOR_EXPR. Mark
7206 as commutative. Check both conversions are NOP.
7207 ((A & B) OP (C & B)): Remove.
7209 2016-05-04 Alan Modra <amodra@gmail.com>
7211 * combine.c (simplify_set): Correct WORD_REGISTER_OPERATIONS test.
7213 2016-05-04 Alan Modra <amodra@gmail.com>
7216 * config/rs6000/rs6000.c (rs6000_stack_info): Don't set cr_save_p
7217 when cr2,3,4 are all fixed regs.
7219 2016-05-04 Bernd Schmidt <bschmidt@redhat.com>
7221 PR rtl-optimization/57193
7222 * opts.c (default_options_table): Revert OPT_frename_registers change.
7223 * doc/invoke.texi (-frename-registers, -O2): Likewise.
7225 2016-05-03 Martin Sebor <msebor@redhat.com>
7228 * builtins.c (fold_builtin_FILE): New function.
7229 (fold_builtin_FUNCTION, fold_builtin_LINE): New functions.
7230 (fold_builtin_0): Call them.
7231 * gimplify.c (gimplify_call_expr): Remove the handling of
7232 BUILT_IN_FILE, BUILT_IN_FUNCTION, and BUILT_IN_LINE.
7235 * doc/extend.texi (Other Builtins): Update __builtin_FILE,
7236 __builtin_FUNCTION, and __builtin_LINE to reflect they yield
7240 * doc/extend.texi (Function Names as Strings): Update __func__,
7241 __FUNCTION__, __PRETTY_FUNCTION__ to reflect they evaluate to
7244 2016-05-03 Jakub Jelinek <jakub@redhat.com>
7245 Richard Biener <rguenther@suse.de>
7247 PR tree-optimization/70916
7248 * tree-if-conv.c: Include cfganal.h.
7249 (pass_if_conversion::execute): Call connect_infinite_loops_to_exit
7250 and remove_fake_exit_edges around the optimization pass.
7252 2016-05-03 Jan Hubicka <hubicka@ucw.cz>
7254 * cgraph.c (symbol_table::create_edge): Set inline_failed.
7255 (cgraph_edge::make_direct): Likewise.
7256 (cgraph_edge::dump_edge_flags): Dump call_stmt_cannot_inline_p.
7257 * cgraphclones.c (duplicate_thunk_for_node): Set inline_failed.
7258 * cif-code.def (CIF_LTO_MISMATCHED_DECLARATIONS): New code
7259 (CIF_THUNK): New code.
7260 * ipa-inline-analysis.c (initialize_inline_failed): Preserve
7261 CIF_FINAL_ERROR codes; do not deal with call_stmt_cannot_inline_p.
7262 (compute_inline_parameters): Set inline_failed for thunks.
7263 (inline_analyze_function): Cleanup.
7264 * ipa-inline.c (can_inline_edge_p): Do not deal with
7265 call_stmt_cannot_inline_p.
7266 (can_early_inline_edge_p): Likewise.
7267 (early_inliner): Initialize inline_failed.
7268 * lto-cgraph.c (lto_output_edge): Sanity check inline_failed.
7270 2016-05-03 Uros Bizjak <ubizjak@gmail.com>
7272 * config/i386/predicates.md (x87nonimm_ssenomem_operand): Rename
7273 from nonimm_ssenomem_operand.
7274 (nonimm_ssenomem_operand): New predicate.
7275 * config/i386/i386.md (extendsfdf2): Use nonimm_ssenomem_operand
7276 as operand 0 predicate.
7277 (*extendsfdf2): Merge from *extendsfdf2_mixed and *extendsfdf2_i387.
7278 Disable unsupported alternatives using "enabled" attribute.
7279 Use register_ssemem_operand as operand 0 predicate.
7280 (*fop_<mode>_1): Use x87nonimm_ssenomem_operand as operand 1 predicate.
7282 2016-05-03 Marek Polacek <polacek@redhat.com>
7285 * input.c (expansion_point_location): New function.
7286 * input.h (expansion_point_location): Declare.
7288 2016-05-03 Pierre-Marie de Rodat <derodat@adacore.com>
7290 * dwarf2out.c (resolve_args_picking_1): Replace the frame_offset
7291 occurence with frame_offset_ ones.
7293 2016-05-03 Alan Modra <amodra@gmail.com>
7295 PR rtl-optimization/70890
7296 * ira.c (combine_and_move_insns): When moving def_insn, remove
7299 2016-05-03 Dominik Vogt <vogt@linux.vnet.ibm.com>
7301 * config/s390/s390.md ("*r<noxa>sbg_<mode>_sll")
7302 ("*r<noxa>sbg_<mode>_srl"): New define_insns.
7303 ("*r<noxa>sbg_<mode>_srl_bitmask"): Rename by adding "_bitmask".
7304 ("*r<noxa>sbg_<mode>_sll_bitmask"): Likewise.
7306 2016-05-03 Alan Modra <amodra@gmail.com>
7308 * config/rs6000/rs6000.c (rs6000_savres_strategy): Correct condition
7309 for SAVE_MULTIPLE/STORE_MULTIPLE.
7311 2016-05-03 Jakub Jelinek <jakub@redhat.com>
7313 * config/i386/i386.md (*truncdfsf_mixed, *truncdfsf_i387,
7314 *truncxfsf2_mixed, *truncxfdf2_mixed): Use v constraint instead of x.
7316 2016-05-03 Richard Biener <rguenther@suse.de>
7318 * gimplify.h (get_initialized_tmp_var): Add allow_ssa parameter
7320 (gimplify_arg): Likewise.
7321 * gimplify.c (gimplify_expr): Add overload with allow_ssa parameter,
7322 re-writing the result to a decl if required.
7323 (internal_get_tmp_var): Add allow_ssa parameter
7324 and override into_ssa with it.
7325 (get_formal_tmp_var): Adjust.
7326 (get_initialized_tmp_var): Add allow_ssa parameter.
7327 (gimplify_arg): Add allow_ssa parameter and avoid generating
7328 SSA names for the result false.
7329 (gimplify_call_expr): If the call may return twice do not
7330 gimplify parameters into SSA.
7331 (prepare_gimple_addressable): Do not allow an SSA name as temporary.
7332 (gimplify_modify_expr): Adjust assert. For noreturn calls
7333 with a SSA name LHS adjust its def.
7334 (gimplify_save_expr): Do not allow an SSA name as save-expr result.
7335 (gimplify_one_sizepos): Do not allow an SSA name as a sizepos.
7336 (gimplify_body): Init GIMPLE SSA data structures and gimplify into-SSA.
7337 (gimplify_scan_omp_clauses): Make sure OMP_CLAUSE_SIZE is not
7338 an SSA name. Likewise for OMP_CLAUSE_REDUCTION operands.
7339 (gimplify_omp_for): Likewise for OMP_CLAUSE_DECL. Likewise
7340 for OMP_FOR_COND, OMP_FOR_INCR and OMP_CLAUSE_LINEAR_STEP.
7341 (optimize_target_teams): Do not allow SSA names for clause operands.
7342 (gimplify_expr): Likewise for where we mark the result addressable.
7343 * passes.def (pass_init_datastructures): Remove.
7344 * tree-into-ssa.c (mark_def_sites): Ignore existing SSA names.
7345 (rewrite_stmt): Likewise.
7346 * tree-inline.c (initialize_cfun): Properly transfer SSA state.
7347 (replace_locals_op): Replace SSA names.
7348 (copy_gimple_seq_and_replace_locals): Init src_cfun.
7349 * gimple-low.c (lower_builtin_setjmp): Deal with SSA.
7350 * cgraph.c (release_function_body): Free CFG annotations only
7351 when we have a CFG. Simplify.
7352 * gimple-fold.c (gimplify_and_update_call_from_tree): Use
7353 force_gimple_operand instead of get_initialized_tmp_var.
7354 * tree-pass.h (make_pass_init_datastructures): Remove.
7355 * tree-ssa.c (execute_init_datastructures): Remove.
7356 (pass_data_init_datastructures): Likewise.
7357 (class pass_init_datastructures): Likewise.
7358 (make_pass_init_datastructures): Likewise.
7359 * omp-low.c (create_omp_child_function): Init SSA data structures.
7360 (grid_expand_target_grid_body): Likewise.
7361 * tree-cfg.c (move_block_to_fn): Double-check the DEF is an SSA
7362 name before adding it to names_to_release.
7363 (remove_bb): Always release SSA defs.
7364 * tree-ssa-ccp.c (get_default_value): Check SSA_NAME_VAR
7365 before dereferencing it.
7366 * cgraphunit.c (init_lowered_empty_function): Always
7367 int SSA data structures.
7368 * tree-ssanames.c (release_defs): Remove assert that we are in
7370 * trans-mem.c (diagnose_tm_1): Handle SSA name function.
7372 2016-05-03 Jakub Jelinek <jakub@redhat.com>
7373 Uros Bizjak <ubizjak@gmail.com>
7375 PR rtl-optimization/70467
7376 * config/i386/predicates.md (x86_64_hilo_int_operand,
7377 x86_64_hilo_general_operand): New predicates.
7378 * config/i386/constraints.md (Wd): New constraint.
7379 * config/i386/i386.md (mode attr di): Use Wd instead of e.
7380 (general_hilo_operand): New mode attr.
7381 (add<mode>3, sub<mode>3): Use <general_hilo_operand>
7382 instead of <general_operand>.
7383 (*add<dwi>3_doubleword, *sub<dwi>3_doubleword): Use
7384 x86_64_hilo_general_operand instead of <general_operand>.
7386 2016-05-03 Jakub Jelinek <jakub@redhat.com>
7388 PR tree-optimization/70916
7389 * tree-if-conv.c (constant_or_ssa_name): Removed.
7390 (fold_build_cond_expr): Use is_gimple_val instead of
7391 constant_or_ssa_name.
7393 PR tree-optimization/70916
7394 * tree-vect-patterns.c (vect_recog_mask_conversion_pattern): Give up
7395 if COND_EXPR rhs1 is neither SSA_NAME nor COMPARISON_CLASS_P.
7398 * tree-ssa-ccp.c: Include stor-layout.h and optabs-query.h.
7399 (optimize_atomic_bit_test_and): New function.
7400 (pass_fold_builtins::execute): Use it.
7401 * optabs.def (atomic_bit_test_and_set_optab,
7402 atomic_bit_test_and_complement_optab,
7403 atomic_bit_test_and_reset_optab): New optabs.
7404 * internal-fn.def (ATOMIC_BIT_TEST_AND_SET,
7405 ATOMIC_BIT_TEST_AND_COMPLEMENT, ATOMIC_BIT_TEST_AND_RESET): New ifns.
7406 * builtins.h (expand_ifn_atomic_bit_test_and): New prototype.
7407 * builtins.c (expand_ifn_atomic_bit_test_and): New function.
7408 * internal-fn.c (expand_ATOMIC_BIT_TEST_AND_SET,
7409 expand_ATOMIC_BIT_TEST_AND_COMPLEMENT,
7410 expand_ATOMIC_BIT_TEST_AND_RESET): New functions.
7411 * doc/md.texi (atomic_bit_test_and_set@var{mode},
7412 atomic_bit_test_and_complement@var{mode},
7413 atomic_bit_test_and_reset@var{mode}): Document.
7414 * config/i386/sync.md (atomic_bit_test_and_set<mode>,
7415 atomic_bit_test_and_complement<mode>,
7416 atomic_bit_test_and_reset<mode>): New expanders.
7417 (atomic_bit_test_and_set<mode>_1,
7418 atomic_bit_test_and_complement<mode>_1,
7419 atomic_bit_test_and_reset<mode>_1): New insns.
7421 2016-05-03 Richard Sandiford <richard.sandiford@arm.com>
7423 PR rtl-optimization/70687
7424 * combine.c (change_zero_ext): Check for scalar modes. Use wide_int
7425 instead of unsigned HOST_WIDE_INT.
7427 2016-05-03 Bernd Schmidt <bschmidt@redhat.com>
7429 PR rtl-optimization/44281
7430 * hard-reg-set.h (struct target_hard_regs): New field
7431 x_fixed_nonglobal_reg_set.
7432 (fixed_nonglobal_reg_set): New macro.
7433 * reginfo.c (init_reg_sets_1): Initialize it.
7434 * ira.c (setup_alloc_regs): Use fixed_nonglobal_reg_set instead
7436 * df-scan.c (df_insn_refs_collect): Asms may reference global regs.
7438 2016-05-03 Bin Cheng <bin.cheng@arm.com>
7440 PR tree-optimization/56541
7441 * doc/invoke.texi (@item max-tree-if-conversion-phi-args): New item.
7442 * params.def (PARAM_MAX_TREE_IF_CONVERSION_PHI_ARGS): new param.
7443 * tree-if-conv.c (MAX_PHI_ARG_NUM): new macro.
7444 (any_complicated_phi): new static variable.
7445 (aggressive_if_conv): delete.
7446 (if_convertible_phi_p): support phis with more than two arguments.
7447 (if_convertible_bb_p): remvoe check on aggressive_if_conv and
7448 critical pred edges.
7449 (ifcvt_split_critical_edges): support phis with more than two
7450 arguments by checking new parameter. only split critical edges
7452 (tree_if_conversion): handle simd pragma marked loop using new
7453 local variable aggressive_if_conv. check any_complicated_phi.
7455 2016-05-03 Bin Cheng <bin.cheng@arm.com>
7457 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Check depends_on
7460 2016-05-03 Bin Cheng <bin.cheng@arm.com>
7462 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Don't clobber
7465 2016-05-03 Oleg Endo <olegendo@gcc.gnu.org>
7467 * config/sh/sh.md (udivsi3, divsi3, mulsi3): Simplify.
7468 (mulhisi3, umulhisi3, (smulsi3_highpart, umulsi3_highpart): Convert to
7469 define_insn_and_split.
7470 (mulsi3_i): New define_insn_and_split.
7471 (mulsi3_call): Convert to define_insn.
7472 (mulsidi3, mulsidi3_compact, umulsidi3, umulsidi3_compact):
7475 2016-05-02 Michael Meissner <meissner@linux.vnet.ibm.com>
7477 * machmode.h (mode_complex): Add support to give the complex mode
7479 (GET_MODE_COMPLEX_MODE): Likewise.
7480 * stor-layout.c (layout_type): For COMPLEX_TYPE, use the mode
7481 stored by build_complex_type and gfc_build_complex_type instead of
7482 trying to figure out the appropriate mode based on the size. Raise
7483 an assertion error, if the type was not set.
7484 * genmodes.c (struct mode_data): Add field for the complex type of
7486 (blank_mode): Likewise.
7487 (make_complex_modes): Remember the complex mode created in the
7489 (emit_mode_complex): Write out the mode_complex array to map a
7490 type mode to the complex version.
7491 (emit_insn_modes_c): Likewise.
7492 * tree.c (build_complex_type): Set the complex type to use before
7493 calling layout_type.
7494 * config/rs6000/rs6000.c (rs6000_hard_regno_nregs_internal): Add
7495 support for __float128 complex datatypes.
7496 (rs6000_hard_regno_mode_ok): Likewise.
7497 (rs6000_setup_reg_addr_masks): Likewise.
7498 (rs6000_complex_function_value): Likewise.
7499 * config/rs6000/rs6000.h (FLOAT128_IEEE_P): Likewise.
7500 __float128 and __ibm128 complex.
7501 (FLOAT128_IBM_P): Likewise.
7502 (ALTIVEC_ARG_MAX_RETURN): Likewise.
7503 * doc/extend.texi (Additional Floating Types): Document that
7504 -mfloat128 must be used to enable __float128. Document complex
7505 __float128 and __ibm128 support.
7507 2016-05-02 Jakub Jelinek <jakub@redhat.com>
7510 * gimple.c (gimple_builtin_call_types_compatible_p): Allow
7511 char/short arguments promoted to int because of promote_prototypes.
7513 2016-05-02 Uros Bizjak <ubizjak@gmail.com>
7515 * config/i386/predicates.md (register_ssemem_operand): New predicate.
7516 * config/i386/i386.md (*cmpi<FPCMP:unord><MODEF:mode>): Merge from
7517 *cmpi<FPCMP:unord><MODEF:mode>_mixed and
7518 *cmpi<FPCMP:unord><X87MODEF:mode>_i387. Disable unsupported
7519 alternatives using "enabled" attribute. Use register_ssemem_operand
7520 as operand 1 predicate.
7521 (*cmpi<unord>xf_i387): Split XFmode pattern from
7522 *cmpi<FPCMP:unord><X87MODEF:mode>_i387.
7523 (*absneg<mode>2): Merge from *absneg<mode>2_mixed and
7524 *absneg<mode>2_i387. Disable unsupported alternatives using
7525 "enabled" attribute.
7526 (*absnegxf2_i387): Split XFmode pattern from *absneg<mode>2_i387.
7528 2016-05-02 Nathan Sidwell <nathan@codesourcery.com>
7530 * omp-low.c (lower_oacc_head_tail): Assert there is at least one
7532 (oacc_loop_process): Check mask for loop termination.
7534 2016-05-02 Jan Hubicka <hubicka@ucw.cz>
7536 * cif-code.def (CIF_THUNK): Add.
7537 * ipa-inline-analsysis.c (evaluate_conditions_for_known_args): Revert
7540 2016-05-02 Jan Hubicka <hubicka@ucw.cz>
7542 * ipa-inline-analysis.c (reset_inline_summary): Clear fp_expressions
7543 (dump_inline_summary): Dump it.
7544 (fp_expression_p): New predicate.
7545 (estimate_function_body_sizes): Use it.
7546 (inline_merge_summary): Merge fp_expressions.
7547 (inline_read_section): Read fp_expressions.
7548 (inline_write_summary): Write fp_expressions.
7549 * ipa-inline.c (can_inline_edge_p): Permit inlining across fp math
7550 codegen boundary if either caller or callee is !fp_expressions.
7551 * ipa-inline.h (inline_summary): Add fp_expressions.
7552 * ipa-inline-transform.c (inline_call): When inlining !fp_expressions
7553 to fp_expressions be sure the fp generation flags are updated.
7555 2016-05-02 Jakub Jelinek <jakub@redhat.com>
7557 PR rtl-optimization/70467
7558 * cse.c (cse_insn): Handle no-op MEM moves after folding.
7560 PR rtl-optimization/70467
7561 * ipa-pure-const.c (check_call): Handle internal calls even in
7562 ipa mode like in local mode.
7564 2016-05-02 Bernd Edlinger <bernd.edlinger@hotmail.de>
7566 * doc/install.texi: Document supported in-tree gmp/mpfr/mpc versions.
7568 2016-05-02 Marc Glisse <marc.glisse@inria.fr>
7570 * match.pd (X u< X, X u> X): New transformations.
7572 2016-05-02 Marc Glisse <marc.glisse@inria.fr>
7574 * flag-types.h (enum warn_strict_overflow_code): Move ...
7575 * coretypes.h: ... here.
7576 * fold-const.h (fold_overflow_warning): Declare.
7577 * fold-const.c (fold_overflow_warning): Make non-static.
7578 (fold_comparison): Move the transformation of X +- C1 CMP C2
7579 into X CMP C2 -+ C1 ...
7580 * match.pd: ... here.
7581 * gimple-fold.c (fold_stmt_1): Protect with
7582 fold_defer_overflow_warnings.
7584 2016-05-02 Nathan Sidwell <nathan@codesourcery.com>
7586 * omp-low.c (struct oacc_loop): Add 'inner' field.
7587 (new_oacc_loop_raw): Initialize it to zero.
7588 (oacc_loop_fixed_partitions): Initialize it.
7589 (oacc_loop_auto_partitions): Partition outermost loop to outermost
7590 available partitioning.
7592 2016-05-02 Claudiu Zissulescu <claziss@synopsys.com>
7594 * config/arc/arc.md (mulsidi3): Change operand 0 predicate to
7596 (umulsidi3): Likewise.
7597 (indirect_jump): Fix jump instruction assembly patterns.
7599 2016-05-02 Thomas Schwinge <thomas@codesourcery.com>
7602 * config/nvptx/nvptx.c (nvptx_libcall_value): Handle NULL cfun.
7603 (nvptx_function_value): Assert non-NULL cfun.
7605 2016-05-02 Eric Botcazou <ebotcazou@adacore.com>
7607 PR rtl-optimization/70886
7608 * sched-deps.c (estimate_dep_weak): Canonicalize cselib values.
7610 * cselib.h (rtx_equal_for_cselib_1): Declare.
7611 (rtx_equal_for_cselib_p: New inline function.
7612 * cselib.c (rtx_equal_for_cselib_p): Delete.
7613 (rtx_equal_for_cselib_1): Make public.
7615 2016-05-02 Uros Bizjak <ubizjak@gmail.com>
7617 * config/i386/predicates.md (nonimm_ssenomem_operand): New predicate.
7618 (register_mixssei387nonimm_operand): Remove predicate.
7619 * config/i386/i386.md (*fop_<mode>_comm): Merge from
7620 *fop_<mode>_comm_mixed and *fop_<mode>_comm_i387. Disable unsupported
7621 alternatives using "enabled" attribute. Also check X87_ENABLE_ARITH
7622 for TARGET_MIX_SSE_I387 alternatives.
7623 (*fop_<mode>_1): Merge from *fop_<mode>_1_mixed and *fop_<mode>_1_i387.
7624 Disable unsupported alternatives using "enabled" attribute. Use
7625 nonimm_ssenomem_operand as operand 1 predicate. Also check
7626 X87_ENABLE_ARITH for TARGET_MIX_SSE_I387 alternatives.
7628 2016-05-02 Richard Sandiford <richard.sandiford@arm.com>
7630 * tree.c (cst_and_fits_in_hwi): Simplify.
7632 2016-05-02 Richard Sandiford <richard.sandiford@arm.com>
7634 * tree.h (wi::to_wide): New function.
7635 * expr.c (expand_expr_real_1): Use wi::to_wide.
7636 * fold-const.c (int_const_binop_1): Likewise.
7637 (extract_muldiv_1): Likewise.
7639 2016-05-02 Richard Sandiford <richard.sandiford@arm.com>
7641 * wide-int.h: Update offset_int and widest_int documentation.
7642 (WI_SIGNED_SHIFT_RESULT): New macro.
7643 (wi::binary_shift): Define signed_shift_result_type for
7644 shifts on offset_int- and widest_int-like types.
7645 (generic_wide_int): Support <<= and >>= if << and >> are supported.
7646 * tree.h (int_bit_position): Use shift operators instead of wi::
7648 * alias.c (adjust_offset_for_component_ref): Likewise.
7649 * expr.c (get_inner_reference): Likewise.
7650 * fold-const.c (fold_comparison): Likewise.
7651 * gimple-fold.c (fold_nonarray_ctor_reference): Likewise.
7652 * gimple-ssa-strength-reduction.c (restructure_reference): Likewise.
7653 * tree-dfa.c (get_ref_base_and_extent): Likewise.
7654 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Likewise.
7655 (stmt_kills_ref_p): Likewise.
7656 * tree-ssa-ccp.c (bit_value_binop_1): Likewise.
7657 * tree-ssa-math-opts.c (find_bswap_or_nop_load): Likewise.
7658 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
7659 (ao_ref_init_from_vn_reference): Likewise.
7661 2016-05-02 Richard Sandiford <richard.sandiford@arm.com>
7663 * wide-int.h: Update offset_int and widest_int documentation.
7664 (WI_SIGNED_BINARY_PREDICATE_RESULT): New macro.
7665 (wi::binary_traits): Allow ordered comparisons between offset_int and
7666 offset_int, between widest_int and widest_int, and between either
7667 of these types and basic C types.
7668 (operator <, <=, >, >=): Define for the same combinations.
7669 * tree.h (tree_int_cst_lt): Use comparison operators instead
7670 of wi:: comparisons.
7671 (tree_int_cst_le): Likewise.
7672 * gimple-fold.c (fold_array_ctor_reference): Likewise.
7673 (fold_nonarray_ctor_reference): Likewise.
7674 * gimple-ssa-strength-reduction.c (record_increment): Likewise.
7675 * tree-affine.c (aff_comb_cannot_overlap_p): Likewise.
7676 * tree-parloops.c (try_transform_to_exit_first_loop_alt): Likewise.
7677 * tree-sra.c (completely_scalarize): Likewise.
7678 * tree-ssa-alias.c (stmt_kills_ref_p): Likewise.
7679 * tree-ssa-reassoc.c (extract_bit_test_mask): Likewise.
7680 * tree-vrp.c (extract_range_from_binary_expr_1): Likewise.
7681 (check_for_binary_op_overflow): Likewise.
7682 (search_for_addr_array): Likewise.
7683 * ubsan.c (ubsan_expand_objsize_ifn): Likewise.
7685 2016-05-02 Claudiu Zissulescu <claziss@synopsys.com>
7687 * config/arc/arc.c (arc_preferred_simd_mode): Remove enum keyword.
7688 (arc_save_restore): Likewise.
7689 (arc_dwarf_register_span): Likewise.
7690 (arc_output_pic_addr_const): Initialize suffix variable.
7692 2016-05-02 Martin Liska <mliska@suse.cz>
7694 * symbol-summary.h (function_summary::function_summary):
7695 Remove checking assert for all cgraph nodes.
7696 (function_summary::get): Check summary_uid.
7697 (symtab_insertion): Check summary_uid.
7699 2016-05-02 Claudiu Zissulescu <claziss@synopsys.com>
7701 * config/arc/arc-protos.h (compact_memory_operand_p): Declare.
7702 * config/arc/arc.c (arc_output_commutative_cond_exec): Consider
7704 (arc_dwarf_register_span): Remove enum keyword.
7705 (compact_memory_operand_p): New function.
7706 * config/arc/arc.h (reg_class): Add code density register classes.
7707 (REG_CLASS_NAMES): Likewise.
7708 (REG_CLASS_CONTENTS): Likewise.
7709 * config/arc/arc.md (*movqi_insn): Add code density instructions.
7710 (*movhi_insn, *movsi_insn, *movsf_insn): Likewise.
7711 (*extendhisi2_i, andsi3_i, cmpsi_cc_insn_mixed): Likewise.
7712 (*cmpsi_cc_c_insn, *movsi_ne): Likewise.
7713 * config/arc/constraints.md (C2p, Uts, Cm1, Cm3, Ucd): New
7715 (h, Rcd, Rsd, Rzd): New register constraints.
7716 (T): Use compact_memory_operand_p function.
7717 * config/arc/predicates.md (compact_load_memory_operand): Remove.
7719 2016-05-02 Oleg Endo <olegendo@gcc.gnu.org>
7721 * config/sh/sh.md (*negnegt, *movtt): Remove.
7723 2016-05-02 Marek Polacek <polacek@redhat.com>
7724 Tom de Vries <tom@codesourcery.com>
7726 PR tree-optimization/70700
7727 * tree-ssa-structalias.c (dump_pred_graph): Fix getting varinfo for ids
7728 bigger than FIRST_REF_NODE.
7730 2016-05-02 Oleg Endo <olegendo@gcc.gnu.org>
7733 * config/sh/sh.c (sh_option_override): Remove TARGET_CBRANCHDI4,
7735 (prepare_cbranch_operands): Don't use scratch register. Assume that
7736 function is used when pseudos can be created.
7737 (expand_cbranchdi4): Likewise. Remove unused TARGET_CMPEQDI_T paths.
7738 * config/sh/sh.md (cbranchsi4): Allow only when pseudos can be created.
7739 (cbranchdi4, cbranchdi4_i): Simplify to single cbranchdi4
7740 define_expand. Allow it only when pseudos can be created.
7741 * config/sh/sh.opt (mcbranchdi, mcmpeqdi): Delete.
7743 2016-05-01 Uros Bizjak <ubizjak@gmail.com>
7745 * config/i386/constraints.md (BC): Only allow -1 operands.
7746 * config/i386/sse.md (mov<mode>_internal): Add (v,C) alternative.
7747 Add "enabled" attribute. Update XI mode attribute calculation.
7748 * config/i386/i386.md (*movxi_internal_avx512f): Add (v,C) alternative.
7749 (*movoi_internal_avx): Update XI mode attribute calculation.
7750 (*movti_internal): Ditto.
7752 2016-05-01 Oleg Endo <olegendo@gcc.gnu.org>
7754 * config/sh/sh.md (push, pop, ic_invalidate_line, cstoresi4, cstoredi4,
7755 cstoresf4, cstoredf4, fix_truncsfsi2): Remove constraints.
7757 2016-05-01 Eric Botcazou <ebotcazou@adacore.com>
7759 * config/rs6000/rs6000.c (altivec_expand_lv_builtin): Do not use switch
7760 statement on instruction code. Remove trailing spaces.
7761 (altivec_expand_stv_builtin): Likewise.
7763 2016-05-01 Oleg Endo <olegendo@gcc.gnu.org>
7765 * config/sh/sh.h (TARGET_SH4): Remove and use default implementation.
7766 (TARGET_FPU_DOUBLE): Simplify.
7767 (BASE_ARG_REG, DOUBLE_TYPE_SIZE, OPTIMIZE_MODE_SWITCHING): Replace
7768 'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions with 'TARGET_FPU_DOUBLE'.
7769 * config/sh/sh.c: Replace 'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions
7770 with 'TARGET_FPU_DOUBLE'.
7771 * config/sh/sh.md: Likewise.
7773 2016-05-01 Yoshinori Sato <ysato@users.sourceforge.jp>
7775 * config/sh/linux.h (SH_DIV_STRATEGY_DEFAULT,
7776 SH_DIV_STR_FOR_SIZE): Remove.
7777 * config/sh/netbsd-elf.h (SH_DIV_STRATEGY_DEFAULT,
7778 SH_DIV_STR_FOR_SIZE): Remove.
7780 2016-05-01 Oleg Endo <olegendo@gcc.gnu.org>
7782 * config/sh/predicates.md (any_register_operand, zero_extend_operand,
7783 logical_reg_operand): Delete.
7784 (arith_operand, arith_reg_dest, arith_or_int_operand, cmpsi_operand,
7785 arith_reg_or_0_operand, arith_reg_or_0_or_1_operand, logical_operand,
7786 logical_and_operand, movsrc_no_disp_mem_operand): Rewrite using
7787 match_operand and match_test.
7788 (sh_const_vec, sh_1el_vec): Remove redundant checks. Declare local
7789 variables on their first use. Return bool values.
7790 * config/sh/sh.h (LOAD_EXTEND_OP): Update comment.
7791 * config/sh/sh.md (andsi3, iorsi3): Use arith_reg_dest for result and
7792 arith_reg_operand for input operand. Remove empty constraints.
7794 (*xorsi3_compact): Rename to xorsi3.
7795 (zero_extend<mode>si2): Use arith_reg_operand for input operand.
7796 (*zero_extend<mode>si2_disp_mem): Update comment.
7799 2016-04-30 Oleg Endo <olegendo@gcc.gnu.org>
7801 * config/sh/t-sh: Remove SH5 support.
7802 * config.gcc: Likewise.
7803 * configure: Likewise.
7805 2016-04-30 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7807 * config/darwin.h (LINK_COMMAND_SPEC_A): Handle -fcilkplus.
7809 2016-04-30 Oleg Endo <olegendo@gcc.gnu.org>
7811 * config/sh/sh.c (register_sh_passes, sh_option_override,
7812 sh_print_operand, prepare_move_operands,
7813 sh_can_follow_jump): Remove TARGET_SH1 checks.
7814 * config/sh/sh.h (TARGET_VARARGS_PRETEND_ARGS, VALID_REGISTER_P,
7815 PROMOTE_MODE): Likewise.
7816 * config/sh/sh.md (adddi3, addsi3, subdi3, subsi3, andsi3,
7819 2016-04-30 Alan Modra <amodra@gmail.com>
7821 * config/rs6000/rs6000.c (rs6000_savres_strategy): Force inline
7822 restoring when fixed_reg_p, but allow out-of-line or stmw save.
7823 Check for user regs later to avoid unnecessary looping over regs.
7824 Merge user reg check with non-saved reg check. Don't force
7825 inline VR restore when static chain used.
7826 (rs6000_frame_related): Omit eh_frame info for user regs when
7828 (fixed_regs_p): Delete.
7830 2016-04-30 Alan Modra <amodra@gmail.com>
7832 * config/rs6000/rs6000.c (SAVRES_MULTIPLE): Replace with..
7833 (SAVE_STRATEGY, REST_STRATEGY): ..this. Renumber and sort enum.
7836 2016-04-30 Alan Modra <amodra@gmail.com>
7839 * config/rs6000/rs6000.c (fixed_reg_p): New function.
7840 (fixed_regs_p): Rename from global_regs_p. Call fixed_reg_p.
7843 2016-04-30 Alan Modra <amodra@gmail.com>
7845 * config/rs6000/rs6000.c (rs6000_conditional_register_usage):
7846 Remove redundant PIC_OFFSET_TABLE_REGNUM test. Replace with
7847 flag_pic test for Darwin.
7849 2016-04-30 Alan Modra <amodra@gmail.com>
7851 * regs.h (struct reg_info_t): Delete freq_calls_crossed and
7852 throw_calls_crossed.
7853 (REG_FREQ_CALLS_CROSSED): Delete.
7854 (REG_N_THROWING_CALLS_CROSSED): Delete.
7855 * regstat.c (regstat_bb_compute_ri): Don't calculate
7856 REG_FREQ_CALLS_CROSSED and REG_N_THROWING_CALLS_CROSSED.
7857 (dump_reg_info): Don't print call cross frequency.
7858 * ira.c (combine_and_move_insns): Don't set REG_FREQ_CALLS_CROSSED
7859 and REG_N_THROWING_CALLS_CROSSED.
7861 2016-04-30 Alan Modra <amodra@gmail.com>
7863 * regs.h (struct reg_info_t): Delete live_length.
7864 (REG_LIVE_LENGTH): Delete macro.
7865 * regstat.c (regstat_bb_compute_ri): Delete artificial_uses,
7866 local_live, local_processed and local_live_last_luid params.
7867 Replace bb_index param with bb. Don't set REG_LIVE_LENGTH.
7869 (regstat_compute_ri): Adjust for above. Don't set
7871 (dump_reg_info): Don't print live length.
7872 * ira.c (update_equiv_regs): Replace test of REG_LIVE_LENGTH
7873 with test of setjmp_crosses. Don't set REG_LIVE_LENGTH.
7874 Localize loop_depth var.
7876 2016-04-30 Alan Modra <amodra@gmail.com>
7878 * ira.c (enum valid_equiv): New.
7879 (validate_equiv_mem): Return enum.
7880 (update_equiv_mem): Create replacement in more cases.
7881 (add_store_equivs): Update validate_equiv_mem call.
7883 2016-04-30 Alan Modra <amodra@gmail.com>
7885 * ira.c (combine_and_move_insns): Rather than scanning insns,
7886 use DF infrastucture to find use and def insns.
7888 2016-04-30 Alan Modra <amodra@gmail.com>
7890 ira.c (combine_and_move_insns): Move invariant conditions..
7891 (ira.c): ..to here. Call combine_and_move_insns before
7892 add_store_equivs. Call grow_reg_equivs later. Allocate
7893 req_equiv later using max_reg_num() rather than global max_regno.
7894 (contains_replace_regs): Delete.
7895 (add_store_equivs): Remove contains_replace_regs test.
7897 2016-04-30 Alan Modra <amodra@gmail.com>
7899 * ira.c (struct equiv_mem_data): New.
7900 (equiv_mem, equiv_mem_modified): Delete static vars.
7901 (validate_equiv_mem_from_store): Use "data" param to communicate..
7902 (validate_equiv_mem): ..from here.
7904 2016-04-30 Alan Modra <amodra@gmail.com>
7906 * ira.c (add_store_equivs, combine_and_move_insns): New functions,
7908 (update_reg_equivs): ..here. Move allocation and freeing of
7909 reg_equiv, and calls to grow_reg_equivs, init_alias_analysis,
7910 end_alias_analysis to..
7913 2016-04-30 Alan Modra <amodra@gmail.com>
7915 * ira.c (pdx_subregs): Delete.
7916 (struct equivalence): Add pdx_subregs field.
7917 (set_paradoxical_subreg): Remove pdx_subregs param. Update
7919 (update_equiv_regs): Don't create or free pdx_subregs. Update
7922 2016-04-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
7924 * config/rs6000/altivec.h: Change definitions of vec_xl and
7926 * config/rs6000/rs6000-builtin.def (LD_ELEMREV_V2DF): New.
7927 (LD_ELEMREV_V2DI): New.
7928 (LD_ELEMREV_V4SF): New.
7929 (LD_ELEMREV_V4SI): New.
7930 (LD_ELEMREV_V8HI): New.
7931 (LD_ELEMREV_V16QI): New.
7932 (ST_ELEMREV_V2DF): New.
7933 (ST_ELEMREV_V2DI): New.
7934 (ST_ELEMREV_V4SF): New.
7935 (ST_ELEMREV_V4SI): New.
7936 (ST_ELEMREV_V8HI): New.
7937 (ST_ELEMREV_V16QI): New.
7940 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
7941 descriptions for VSX_BUILTIN_VEC_XL and VSX_BUILTIN_VEC_XST.
7942 * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Map from
7943 TARGET_P9_VECTOR to RS6000_BTM_P9_VECTOR.
7944 (altivec_expand_builtin): Add handling for
7945 VSX_BUILTIN_ST_ELEMREV_<MODE> and VSX_BUILTIN_LD_ELEMREV_<MODE>.
7946 (rs6000_invalid_builtin): Add error-checking for
7947 RS6000_BTM_P9_VECTOR.
7948 (altivec_init_builtins): Define builtins used to implement vec_xl
7950 (rs6000_builtin_mask_names): Define power9-vector.
7951 * config/rs6000/rs6000.h (MASK_P9_VECTOR): Define.
7952 (RS6000_BTM_P9_VECTOR): Define.
7953 (RS6000_BTM_COMMON): Include RS6000_BTM_P9_VECTOR.
7954 * config/rs6000/vsx.md (vsx_ld_elemrev_v2di): New define_insn.
7955 (vsx_ld_elemrev_v2df): Likewise.
7956 (vsx_ld_elemrev_v4sf): Likewise.
7957 (vsx_ld_elemrev_v4si): Likewise.
7958 (vsx_ld_elemrev_v8hi): Likewise.
7959 (vsx_ld_elemrev_v16qi): Likewise.
7960 (vsx_st_elemrev_v2df): Likewise.
7961 (vsx_st_elemrev_v2di): Likewise.
7962 (vsx_st_elemrev_v4sf): Likewise.
7963 (vsx_st_elemrev_v4si): Likewise.
7964 (vsx_st_elemrev_v8hi): Likewise.
7965 (vsx_st_elemrev_v16qi): Likewise.
7966 * doc/extend.texi: Add prototypes for vec_xl and vec_xst. Correct
7969 2016-04-29 Patrick Palka <ppalka@gcc.gnu.org>
7971 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Split
7973 (simplify_control_stmt_condition_1): ... here. Recurse into
7974 BIT_AND_EXPRs and BIT_IOR_EXPRs.
7976 2016-04-29 David Edelsohn <dje.gcc@gmail.com>
7979 * config/rs6000/rs6000.md (EXTQI): Don't allow extension to HImode.
7980 (zero_extendqi<mode>2_dot): Revert earlier conversion from
7981 define_insn_and_split to define_insn.
7982 (zero_extendqi<mode>2_dot2): Same.
7983 (extendqi<mode>2_dot): Same.
7984 (extendqi<mode>2_dot2): Same.
7986 2016-04-29 Uros Bizjak <ubizjak@gmail.com>
7988 * config/i386/i386.md (unspec): Add UNSPEC_PROBE_STACK.
7989 (probe_stack): New expander.
7990 (probe_stack_<mode>): New insn pattern.
7992 2016-04-29 Uros Bizjak <ubizjak@gmail.com>
7994 * config/i386/i386.md
7995 (operations with memory inputs setting flags peephole2):
7996 Remove uneeded REG_P checks. Cleanup pattern generation.
7998 2016-04-29 Ilya Enkovich <ilya.enkovich@intel.com>
8000 * tree-vect-loop.c (vect_transform_loop): Fix
8001 nb_iterations_upper_bound computation for vectorized loop.
8003 2016-04-29 Marek Polacek <polacek@redhat.com>
8004 Jakub Jelinek <jakub@redhat.com>
8007 * fold-const.c (tree_single_nonzero_warnv_p): For TARGET_EXPR, use
8008 TARGET_EXPR_SLOT as a base.
8010 2016-04-29 Andrew Burgess <andrew.burgess@embecosm.com>
8012 * config/arc/arc.md (*loadqi_update): Replace use of 'rI' constraint
8013 with 'rCm2' constraints to limit possible immediate size.
8014 (*load_zeroextendqisi_update): Likewise.
8015 (*load_signextendqisi_update): Likewise.
8016 (*loadhi_update): Likewise.
8017 (*load_zeroextendhisi_update): Likewise.
8018 (*load_signextendhisi_update): Likewise.
8019 (*loadsi_update): Likewise.
8020 (*loadsf_update): Likewise.
8022 2016-04-29 Uros Bizjak <ubizjak@gmail.com>
8024 * config/i386/predicates.md (constm1_operand): Fix comparison.
8026 2016-04-29 Claudiu Zissulescu <claziss@synopsys.com>
8028 * testsuite/gcc.target/arc/ieee_eq.c: New test.
8030 2016-04-29 Oleg Endo <olegendo@gcc.gnu.org>
8032 * common/config/sh/sh-common.c (sh_option_optimization_table): Remove
8033 remaining SH5 related settings.
8034 * config/sh/sh-protos.h (shmedia_cleanup_truncate,
8035 shmedia_prepare_call_address): Delete.
8036 * config/sh/sh.c (sh_print_operand, output_stack_adjust,
8037 DWARF_CIE_DATA_ALIGNMENT, LOCAL_ALIGNMENT): Update comments.
8038 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC,
8039 UNSUPPORTED_SH2A): Remove m5 checks.
8040 (sh_divide_strategy_e): Remove SH5 division strategies.
8041 (TARGET_PTRMEMFUNC_VBIT_LOCATION): Remove and use default.
8042 * config/sh/sh.md (divsf3): Reinstate define_expand pattern.
8044 2016-04-29 Dominik Vogt <vogt@linux.vnet.ibm.com>
8046 * config/s390/s390.c (s390_rtx_costs): Update documentation.
8048 2016-04-29 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
8050 * config/s390/2964.md ("z13_unit_fxu", "z13_0"): Remove lder.
8051 * config/s390/s390.md ("movsi_larl", "*movsi_esa", "mov<mode>"):
8053 * config/s390/vector.md ("mov<mode>"): Likewise.
8055 2016-04-29 Ulrich Weigand <uweigand@de.ibm.com>
8057 * config/s390/constraints.md ("U", "W"): Invoke
8058 s390_mem_constraint with "ZR" and "ZT".
8059 * config/s390/s390.c (s390_check_qrst_address): Reject invalid
8060 addresses when using LRA. Accept also short displacements for S
8061 and T constraints. Do not check for long displacement target for
8062 S and T constraints.
8063 (s390_mem_constraint): Remove handling of U and W constraints.
8064 * config/s390/s390.md (various patterns): Remove the short
8065 displacement constraints (Q and R) if a long displacement
8066 constraint is present. Add longdisp as required CPU capability.
8067 * config/s390/vector.md: Likewise.
8068 * config/s390/vx-builtins.md: Likewise.
8070 2016-04-29 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
8073 * reload1.c (reload): Call finish_spills before
8074 restarting reload loop. Skip select_reload_regs
8075 if update_eliminables_and_spill returns true.
8077 2016-04-29 Claudiu Zissulescu <claziss@synopsys.com>
8079 * config/arc/arc.h (UNSIGNED_INT12, UNSIGNED_INT16): Define.
8080 * config/arc/arc.md (umulhisi3): Use arc_short_operand predicate.
8081 (umulhisi3_imm): Update predicates and constraint letters.
8082 (umulhisi3_reg): Declare instruction as commutative.
8083 * config/arc/constraints.md (J12, J16): New constraints.
8084 * config/arc/predicates.md (short_unsigned_const_operand): New
8086 (arc_short_operand): Likewise.
8087 * testsuite/gcc.target/arc/umulsihi3_z.c: New file.
8089 2016-04-29 Richard Biener <rguenther@suse.de>
8091 PR tree-optimization/13962
8092 PR tree-optimization/65686
8093 * tree-ssa-alias.h (ptrs_compare_unequal): Declare.
8094 * tree-ssa-alias.c (ptrs_compare_unequal): New function
8095 using PTA to compare pointers.
8096 * match.pd: Add pattern for pointer equality compare simplification
8097 using ptrs_compare_unequal.
8099 2016-04-29 Richard Biener <rguenther@suse.de>
8101 * stor-layout.c (layout_type): Do not build a pointer-to-element
8104 2016-04-29 Uros Bizjak <ubizjak@gmail.com>
8106 * config/i386/i386.md (Load+RegOp to Mov+MemOp peephole2):
8107 Use SWI mode iterator. Use general_reg_operand predicate.
8108 (Load+RegOp to Mov+MemOp peephole2 with vector regs): Split
8109 peephole to MMX and SSE part. Use mmx_reg_operand and sse_reg_operand
8112 2016-04-29 Jakub Jelinek <jakub@redhat.com>
8115 * fold-const.c (operand_equal_p): Don't verify hash value equality
8117 * tree.c (inchash::add_expr): Handle STATEMENT_LIST. Ignore BLOCK
8120 2016-04-28 Jakub Jelinek <jakub@redhat.com>
8123 * config/i386/i386.c (bdesc_special_args): Add | OPTION_MASK_ISA_64BIT
8124 to __builtin_ia32_lwpval64 and __builtin_ia32_lwpins64.
8125 (bdesc_args): Add | OPTION_MASK_ISA_64BIT to __builtin_ia32_bextr_u64,
8126 __builtin_ia32_bextri_u64, __builtin_ia32_bzhi_di,
8127 __builtin_ia32_pdep_di and __builtin_ia32_pext_di.
8129 2016-04-28 Segher Boessenkool <segher@kernel.crashing.org>
8131 * config/rs6000/rs6000.c (compute_save_world_info): Rename info_ptr
8132 to info. Don't initialize separate fields to 0. Clean up
8135 2016-04-28 Uros Bizjak <ubizjak@gmail.com>
8137 * config/i386/i386.md (peephole2s for operations with memory inputs):
8138 Use SWI mode iterator.
8139 (peephole2s for operations with memory outputs): Ditto.
8140 Do not check for stack checking probe.
8142 (probe_stack): Remove expander.
8144 2016-04-28 Joern Rennecke <joern.rennecke@embecosm.com>
8145 Andrew Burgess <andrew.burgess@embecosm.com>
8147 * config/arc/arc.c (arc_print_operand): Print integer 'H' / 'L'
8148 operands as 32-bits.
8150 2016-04-28 Jason Merrill <jason@redhat.com>
8152 * gdbinit.in: Skip line-map.h.
8154 2016-04-28 Joern Rennecke <joern.rennecke@embecosm.com>
8155 Andrew Burgess <andrew.burgess@embecosm.com>
8157 * config/arc/arc.c (arc_conditional_register_usage): Take
8158 TARGET_RRQ_CLASS into account.
8159 (arc_print_operand): Support printing 'p' and 's' operands.
8160 * config/arc/arc.h (TARGET_NPS_BITOPS_DEFAULT): Provide default
8162 (TARGET_RRQ_CLASS): Define.
8163 (IS_POWEROF2_OR_0_P): Define.
8164 * config/arc/arc.md (*movsi_insn): Add w/Clo, w/Chi, and w/Cbi
8166 (*tst_movb): New define_insn.
8167 (*tst): Avoid recognition if it could prevent '*tst_movb'
8168 combination; replace c/CnL with c/Chs alternative.
8169 (*tst_bitfield_tst): New define_insn.
8170 (*tst_bitfield_asr): New define_insn.
8171 (*tst_bitfield): New define_insn.
8172 (andsi3_i): Add Rrq variant.
8173 (extzv): New define_expand.
8174 (insv): New define_expand.
8175 (*insv_i): New define_insn.
8176 (*movb): New define_insn.
8177 (*movb_signed): New define_insn.
8178 (*movb_high): New define_insn.
8179 (*movb_high_signed): New define_insn.
8180 (*movb_high_signed + 1): New define_split pattern.
8181 (*mrgb): New define_insn.
8182 (*mrgb + 1): New define_peephole2 pattern.
8183 (*mrgb + 2): New define_peephole2 pattern.
8184 * config/arc/arc.opt (mbitops): New option for nps400, uses
8185 TARGET_NPS_BITOPS_DEFAULT.
8186 * config/arc/constraints.md (q): Make register class conditional.
8187 (Rrq): New register constraint.
8188 (Chs): New constraint.
8189 (Clo): New constraint.
8190 (Chi): New constraint.
8191 (Cbf): New constraint.
8192 (Cbn): New constraint.
8193 (C18): New constraint.
8194 (Cbi): New constraint.
8196 2016-04-28 Segher Boessenkool <segher@kernel.crashing.org>
8198 * cfganal.c (bitmap_intersection_of_succs): Delete assert checking
8200 (bitmap_intersection_of_preds): Ditto.
8201 (bitmap_union_of_succs): Ditto.
8202 (bitmap_union_of_preds): Ditto.
8203 * sbitmap.c (do_popcount): Delete.
8204 (BITMAP_DEBUGGING): Delete.
8205 (sbitmap_verify_popcount): Delete.
8206 (sbitmap_alloc): Don't initialize the popcount field.
8207 (sbitmap_alloc_with_popcount): Delete.
8208 (sbitmap_resize): Don't resize the popcount array.
8209 (sbitmap_vector_alloc): Don't initialize the popcount field.
8210 (bitmap_copy): Don't copy the popcount array.
8211 (bitmap_clear): Don't clear the popcount array.
8212 (bitmap_clear): Delete the popcount array handling.
8213 (bitmap_ior_and_compl): Delete the popcount assert.
8214 (bitmap_not): Ditto.
8215 (bitmap_and_compl): Ditto.
8216 (bitmap_and): Delete the popcount array handling.
8217 (bitmap_xor): Ditto.
8218 (bitmap_ior): Ditto.
8219 (bitmap_or_and): Delete the popcount assert.
8220 (bitmap_and_or): Ditto.
8221 (popcount_table): Delete.
8222 (sbitmap_elt_popcount): Delete.
8223 * sbitmap.h (simple_bitmap_def): Delete the popcount field.
8224 (bitmap_set_bit): Delete the popcount assert.
8225 (bitmap_clear_bit): Ditto.
8226 (sbitmap_free): Don't free the popcount array.
8227 (sbitmap_alloc_with_popcount): Delete declaration.
8228 (sbitmap_popcount): Ditto.
8230 2016-04-28 Joern Rennecke <joern.rennecke@embecosm.com>
8231 Andrew Burgess <andrew.burgess@embecosm.com>
8233 * config/arc/arc.h (SYMBOL_FLAG_CMEM): Define.
8234 (TARGET_NPS_CMEM_DEFAULT): Provide default definition.
8235 * config/arc/arc.c (arc_address_cost): Return 0 for cmem_address.
8236 (arc_encode_section_info): Set SYMBOL_FLAG_CMEM where indicated.
8237 * config/arc/arc.opt (mcmem): New option.
8238 * config/arc/arc.md (*extendqihi2_i): Add r/Uex alternative,
8239 supply length for r/m alternative.
8240 (*extendqisi2_ac): Likewise.
8241 (*extendhisi2_i): Add r/Uex alternative, supply length for r/m and
8243 (movqi_insn): Add r/Ucm and Ucm/?Rac alternatives.
8244 (movhi_insn): Likewise.
8245 (movsi_insn): Add r/Ucm,Ucm/w alternatives.
8246 (*zero_extendqihi2_i): Add r/Ucm alternative.
8247 (*zero_extendqisi2_ac): Likewise.
8248 (*zero_extendhisi2_i): Likewise.
8249 * config/arc/constraints.md (Uex): New memory constraint.
8250 (Ucm): New define_constraint.
8251 * config/arc/predicates.md (long_immediate_loadstore_operand):
8252 Return 0 for MEM with cmem_address address.
8253 (cmem_address_0): New predicates.
8254 (cmem_address_1): Likewise.
8255 (cmem_address_2): Likewise.
8256 (cmem_address): Likewise.
8258 2016-04-28 Segher Boessenkool <segher@kernel.crashing.org>
8260 * config/rs6000/rs6000.c (machine_function): Rename
8261 insn_chain_scanned_p to spe_insn_chain_scanned_p.
8262 (rs6000_stack_info): Adjust.
8264 2016-04-28 Joern Rennecke <joern.rennecke@embecosm.com>
8265 Andrew Burgess <andrew.burgess@embecosm.com>
8267 * config/arc/constraints.md (Usd): Convert to define_constraint.
8271 2016-04-28 Jakub Jelinek <jakub@redhat.com>
8274 * config/i386/sync.md (define_peephole2 *atomic_fetch_add_cmp<mode>):
8275 Add new peephole2 where the first insn is *mov<mode>_or instead of
8276 *mov<mode>_internal.
8278 2016-04-28 Segher Boesssenkool <segher@kernel.crashing.org>
8280 * tracer.c (bb_seen): Make static.
8282 2016-04-28 Andrew Burgess <andrew.burgess@embecosm.com>
8284 * common/config/arc/arc-common.c (arc_handle_option): Add NPS400
8285 support, setup defaults.
8286 * config/arc/arc-opts.h (enum processor_type): Add NPS400.
8287 * config/arc/arc.c (arc_init): Add NPS400 support.
8288 * config/arc/arc.h (CPP_SPEC): Add NPS400 defines.
8289 (TARGET_ARC700): NPS400 is also an ARC700.
8290 * config/arc/arc.opt: Add NPS400 options to -mcpu=.
8292 2016-04-28 Segher Boessenkool <segher@kernel.crashing.org>
8295 * config/nds32/nds32.md (casesi): Don't access the operands array
8298 2016-04-28 Uros Bizjak <ubizjak@gmail.com>
8300 * config/i386/i386.md (zeroing peephole2): Use general_reg_operand.
8301 (or $-1,reg peephole2): Ditto.
8302 (strict_low_part zeroing peephole2): Use SWI12 mode iterator.
8304 2016-04-28 Markus Trippelsdorf <markus@trippelsdorf.de>
8306 * doc/extend.texi (Common Function Attributes) [optimize]:
8307 Discourage use of the optimize attribute.
8309 2016-04-28 Bill Seurer <seurer@linux.vnet.ibm.com>
8311 * config/rs6000/rs6000-builtin.def (vec_adde): Change vec_adde to a
8312 special case builtin.
8313 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Remove
8314 ALTIVEC_BUILTIN_VEC_ADDE.
8315 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
8316 support for ALTIVEC_BUILTIN_VEC_ADDE.
8317 * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
8318 for __builtin_vec_adde.
8320 2016-04-28 Jakub Jelinek <jakub@redhat.com>
8322 * config/i386/i386.md (sse4_1_round<mode>2): Add avx512f alternative.
8323 * config/i386/sse.md (sse4_1_round<ssescalarmodesuffix>): Likewise.
8325 2016-04-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8328 * doc/sourcebuild.texi (Effective-Target Keywords, Other
8329 attributes): Document cilkplus_runtime.
8331 2016-04-28 Martin Jambor <mjambor@suse.cz>
8333 * tree-cfg.c (verify_expr): Verify that local declarations belong to
8334 this function. Call verify_expr on MEM_REFs and bases of other
8337 2016-04-28 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
8339 * internal-fn.c (expand_arith_overflow): Convert preprocessor check
8340 for WORD_REGISTER_OPERATIONS to runtime check.
8342 2016-04-28 Claudiu Zissulescu <claziss@synopsys.com>
8344 * config/arc/arc.h (ASM_SPEC): Pass mfpuda to assembler.
8346 2016-04-28 Claudiu Zissulescu <claziss@synopsys.com>
8348 * config/arc/arc.c (arc_process_double_reg_moves): Fix for
8349 big-endian compilation.
8350 * config/arc/arc.md (addf3): Likewise.
8354 2016-04-28 Richard Biener <rguenther@suse.de>
8356 PR tree-optimization/70840
8357 * match.pd: powi(-x, y) and powi(|x|,y) -> powi(x,y) if y is even;
8358 Fix pow(copysign(x, y), z) -> pow(x, z) and add powi variant;
8359 Mark x * pow(x,c) -> pow(x,c+1) commutative.
8360 Add powi(x,y) * powi(z,y) -> powi(x*z,y).
8362 2015-04-28 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
8364 * config/aarch64/aarch64.h (WORD_REGISTER_OPERATIONS): Define to 0
8365 and explain why in a comment.
8367 2016-04-28 Claudiu Zissulescu <claziss@synopsys.com>
8369 * config/arc/arc.md (cpu_facility): Add fpx variant.
8370 (subdf3): Prohibit use reverse sub when assist operations option
8372 * config/arc/fpx.md (subdf3_insn, *dsubh_peep2_insn): Allow drsub
8373 instructions only when FPX is enabled.
8374 * testsuite/gcc.target/arc/trsub.c: New test.
8376 2016-04-28 Uros Bizjak <ubizjak@gmail.com>
8378 * config/i386/i386.md (*fop_<mode>_1_mixed): Do not check for
8379 mult_operator when calculating "type" attribute.
8380 (*fop_<mode>_1_i387): Ditto.
8381 (*fop_xf_1_i387): Ditto.
8382 (x87 stack loads peephole2): Add "reg = op (mem, reg)" peephole2.
8383 Use std::swap to swap operands. Use RTL expressions to generate
8386 2016-04-28 Claudiu Zissulescu <claziss@synopsys.com>
8387 Joern Rennecke <joern.rennecke@embecosm.com>
8389 * config/arc/arc-protos.h (arc_legitimize_pic_address): Remove
8391 (emit_pic_move): Remove.
8392 (arc_eh_uses, insn_is_tls_gd_dispatch): Declare.
8393 * config/arc/arc.c (emit_pic_move): Removed.
8394 (TARGET_HAVE_TLS): Define.
8395 (arc_conditional_register_usage): Test for arc_tp_regno.
8396 (arc_print_operand, arc_print_operand_address): Handle TLS
8398 (arc_needs_pcl_p): New function.
8399 (arc_legitimate_pc_offset_p): Use arc_needs_pcl_p.
8400 (arc_legitimate_pic_addr_p): Handle TLS unspecs.
8401 (arc_raw_symbolic_reference_mentioned_p): Likewise.
8402 (arc_get_tp, arc_emit_call_tls_get_addr): New function.
8403 (arc_legitimize_tls_address): Likewise.
8404 (DTPOFF_ZERO_SYM): Define.
8405 (arc_legitimize_pic_address): Make it static, handle TLS cases.
8406 (arc_output_pic_addr_const): Print TLS unspecs.
8407 (prepare_pic_move): New function, replaces emit_pic_move.
8408 (arc_legitimate_constant_p): Handle TLS unspecs.
8409 (arc_legitimate_address_p): Likewise.
8410 (arc_rewrite_small_data_p): Use assert for TLS constants.
8411 (prepare_move_operands): Use prepare_pic_move.
8412 (arc_legitimize_address): Legitimize tls addresses.
8413 (arc_epilogue_uses): Check for arc_tp_regno.
8414 (arc_eh_uses, insn_is_tls_gd_dispatch): New function.
8415 * config/arc/arc.h [DEFAULT_LIBC != LIBC_UCLIBC] (EXTRA_SPECS):
8417 [DEFAULT_LIBC != LIBC_UCLIBC] (ARC_TLS_EXTRA_START_SPEC):
8419 [DEFAULT_LIBC != LIBC_UCLIBC] (STARTFILE_SPEC): Add
8420 %(arc_tls_extra_start_spec).
8421 (TARGET_CPU_CPP_BUILTINS): Define __ARC_TLS_REGNO__.
8422 (REGNO_OK_FOR_BASE_P): Check for arc_tp_regno.
8424 (INSN_REFERENCES_ARE_DELAYED): Use insn_is_tls_gd_dispatch.
8425 * config/arc/arc.md (UNSPEC_TLS_GD, UNSPEC_TLS_LD, UNSPEC_TLS_IE)
8426 (UNSPEC_TLS_OFF): Add.
8428 (tls_load_tp_soft, tls_gd_load, tls_gd_get_addr, tls_gd_dispatch)
8429 (get_thread_pointersi): New patterns.
8430 * config/arc/arc.opt (mtp-regno): New option.
8431 * config/arc/predicates.md (move_src_operand): Handle TLS symbols.
8432 (move_dest_operand): Likewise.
8433 * configure: Regenerate.
8434 * configure.ac: Add arc*-*-* case to test for tls.
8435 * doc/invoke.texi (ARC options): Document mtp-regno.
8437 2016-04-28 Claudiu Zissulescu <claziss@synopsys.com>
8439 * config/arc/arc.c (arc_vector_mode_supported_p): Add support for
8440 the new ARC HS SIMD instructions.
8441 (arc_preferred_simd_mode): New function.
8442 (arc_autovectorize_vector_sizes): Likewise.
8443 (TARGET_VECTORIZE_PREFERRED_SIMD_MODE)
8444 (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Define.
8445 (arc_init_reg_tables): Accept new ARC HS SIMD modes.
8446 (arc_init_builtins): Add new SIMD builtin types.
8447 (arc_split_move): Handle 64 bit vector moves.
8448 * config/arc/arc.h (TARGET_PLUS_DMPY, TARGET_PLUS_MACD)
8449 (TARGET_PLUS_QMACW): Define.
8450 * config/arc/builtins.def (QMACH, QMACHU, QMPYH, QMPYHU, DMACH)
8451 (DMACHU, DMPYH, DMPYHU, DMACWH, DMACWHU, VMAC2H, VMAC2HU, VMPY2H)
8452 (VMPY2HU, VADDSUB2H, VSUBADD2H, VADDSUB, VSUBADD, VADDSUB4H)
8453 (VSUBADD4H): New builtins.
8454 * config/arc/simdext.md: Add new ARC HS SIMD instructions.
8455 * testsuite/gcc.target/arc/builtin_simdarc.c: New file.
8457 2016-04-28 Eduard Sanou <dhole@openmailbox.org>
8458 Matthias Klose <doko@debian.org>
8460 * doc/cppenv.texi: Document SOURCE_DATE_EPOCH environment variable.
8462 2016-04-28 Richard Biener <rguenther@suse.de>
8465 * fold-const.c (fold_binary_loc): Remove x*x to pow(x,2.0)
8468 2016-04-28 Oleg Endo <olegendo@gcc.gnu.org>
8470 * common/config/sh/sh-common.c: Remove SH5 support.
8471 * config/sh/constraints.md: Likewise.
8472 * config/sh/config/sh/elf.h: Likewise.
8473 * config/sh/linux.h: Likewise.
8474 * config/sh/netbsd-elf.h: Likewise.
8475 * config/sh/predicates.md: Likewise.
8476 * config/sh/sh-c.c: Likewise.
8477 * config/sh/sh-protos.h: Likewise.
8478 * config/sh/sh.c: Likewise.
8479 * config/sh/sh.h: Likewise.
8480 * config/sh/sh.md: Likewise.
8481 * config/sh/sh.opt: Likewise.
8482 * config/sh/sync.md: Likewise.
8483 * config/sh/sh64.h: Delete.
8484 * config/sh/shmedia.h: Likewise.
8485 * config/sh/shmedia.md: Likewise.
8486 * config/sh/sshmedia.h: Likewise.
8487 * config/sh/t-netbsd-sh5-64: Likewise.
8488 * config/sh/t-sh64: Likewise.
8489 * config/sh/ushmedia.h: Likewise.
8491 2016-04-28 Uros Bizjak <ubizjak@gmail.com>
8493 * config/i386/i386.md (sign_extend to memory peephole2s): Use
8494 general_reg_operand instead of register_operand predicate.
8496 2016-04-27 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
8498 * params.def (MIN_PARTITION_SIZE): Set default value to 10000.
8500 2016-04-27 Marc Glisse <marc.glisse@inria.fr>
8502 * match.pd (A - B > A, A + B < A): New transformations.
8504 2016-04-27 Patrick Palka <ppalka@gcc.gnu.org>
8506 * genattrtab.c (write_test_expr): New parameter EMIT_PARENS
8507 which defaults to true. Emit an outer pair of parentheses only if
8508 EMIT_PARENS. When continuing a chain of && or || (or & or |),
8509 don't emit parentheses for the right-hand operand.
8511 2016-04-27 Jeff Law <law@redhat.com>
8513 * tree-ssa-dom.c (record_temporary_equivalences): Fix typo in comment.
8515 2016-04-27 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
8517 * config/rs6000/altivec.md (altivec_lvx_<mode>): Remove.
8518 (altivec_lvx_<mode>_internal): Document.
8519 (altivec_lvx_<mode>_2op): New define_insn.
8520 (altivec_lvx_<mode>_1op): Likewise.
8521 (altivec_lvx_<mode>_2op_si): Likewise.
8522 (altivec_lvx_<mode>_1op_si): Likewise.
8523 (altivec_stvx_<mode>): Remove.
8524 (altivec_stvx_<mode>_internal): Document.
8525 (altivec_stvx_<mode>_2op): New define_insn.
8526 (altivec_stvx_<mode>_1op): Likewise.
8527 (altivec_stvx_<mode>_2op_si): Likewise.
8528 (altivec_stvx_<mode>_1op_si): Likewise.
8529 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
8530 Expand vec_ld and vec_st during parsing.
8531 * config/rs6000/rs6000.c (altivec_expand_lvx_be): Commentary
8533 (altivec_expand_stvx_be): Likewise.
8534 (altivec_expand_lv_builtin): Expand lvx built-ins to expose the
8535 address-masking behavior in RTL.
8536 (altivec_expand_stv_builtin): Expand stvx built-ins to expose the
8537 address-masking behavior in RTL.
8538 (altivec_expand_builtin): Change builtin code arguments for calls
8539 to altivec_expand_stv_builtin and altivec_expand_lv_builtin.
8540 (insn_is_swappable_p): Avoid incorrect swap optimization in the
8541 presence of lvx/stvx patterns.
8542 (alignment_with_canonical_addr): New function.
8543 (alignment_mask): Likewise.
8544 (find_alignment_op): Likewise.
8545 (recombine_lvx_pattern): Likewise.
8546 (recombine_stvx_pattern): Likewise.
8547 (recombine_lvx_stvx_patterns): Likewise.
8548 (rs6000_analyze_swaps): Perform a pre-pass to recognize lvx and
8549 stvx patterns from expand.
8550 * config/rs6000/vector.md (vector_altivec_load_<mode>): Use new
8552 (vector_altivec_store_<mode>): Likewise.
8554 2016-04-26 Evandro Menezes <e.menezes@samsung.com>
8556 * config/aarch64/aarch64.md
8557 (*movhf_aarch64): Add "movi %0, #0" to zero up register and
8558 remove the "fp" attributes.
8559 (*movsf_aarch64): Add "movi %0, #0" to zero up register and
8560 add the "simd" attributes.
8561 (*movdf_aarch64): Likewise.
8562 (*movtf_aarch64): Remove the "fp" attributes.
8563 * testsuite/gcc.target/aarch64/fmovf-zero-reg.c: Update accordingly.
8564 * testsuite/gcc.target/aarch64/fmovd-zero-reg.c: Likewise.
8566 2016-04-27 David Malcolm <dmalcolm@redhat.com>
8568 * emit-rtl.c (maybe_set_first_label_num): Strengthen param from
8569 rtx to rtx_code_label *.
8570 * rtl.h (maybe_set_first_label_num): Likewise.
8572 2016-04-27 David Malcolm <dmalcolm@redhat.com>
8574 * df-core.c (df_add_problem): Make the problem param be const.
8575 (df_remove_problem): Make local "problem" be const.
8576 * df-problems.c (problem_RD): Make const.
8577 (problem_LR): Likewise.
8578 (problem_LIVE): Likewise.
8579 (problem_MIR): Likewise.
8580 (problem_CHAIN): Likewise.
8581 (problem_WORD_LR): Likewise.
8582 (problem_NOTE): Likewise.
8583 (problem_MD): Likewise.
8584 * df-scan.c (problem_SCAN): Likewise.
8585 * df.h (struct df_problem): Make field "dependent_problem" be
8587 (struct dataflow): Likewise for field "problem".
8588 (df_add_problem): Make param const.
8590 2016-04-27 Uros Bizjak <ubizjak@gmail.com>
8592 * config/i386/i386.c (ix86_spill_class): Enable for TARGET_SSE2 when
8593 inter-unit moves to/from vector registers are enabled. Do not disable
8596 2016-04-27 David Malcolm <dmalcolm@redhat.com>
8598 * df.h (DF_SCAN, DF_LR, DF_LIVE, DF_RD, DF_CHAIN, DF_WORD_LR,
8599 DF_NOTE, DF_MD, DF_MIR, DF_LAST_PROBLEM_PLUS1): Convert from
8601 (enum df_problem_id): ...this new enum.
8602 (struct df_problem): Convert field "id" from "int" to
8605 2016-04-27 David Malcolm <dmalcolm@redhat.com>
8607 * rtl.def: Update comment for "things in the instruction chain" to
8608 reflect the removal of the leading "i" field for INSN_UID in
8609 r210360. Fix bogus apostrophe.
8611 2016-04-27 Uros Bizjak <ubizjak@gmail.com>
8613 * config/i386/i386.md
8614 (lea arith with mem operand + setcc peephole2): Set operator mode.
8616 2016-04-27 H.J. Lu <hongjiu.lu@intel.com>
8619 * config/i386/i386.c (scalar_to_vector_candidate_p): Renamed to ...
8620 (dimode_scalar_to_vector_candidate_p): This.
8621 (timode_scalar_to_vector_candidate_p): New function.
8622 (scalar_to_vector_candidate_p): Likewise.
8623 (timode_check_non_convertible_regs): Likewise.
8624 (timode_remove_non_convertible_regs): Likewise.
8625 (remove_non_convertible_regs): Likewise.
8626 (remove_non_convertible_regs): Renamed to ...
8627 (dimode_remove_non_convertible_regs): This.
8628 (scalar_chain::~scalar_chain): Make it virtual.
8629 (scalar_chain::compute_convert_gain): Make it pure virtual.
8630 (scalar_chain::mark_dual_mode_def): Likewise.
8631 (scalar_chain::convert_insn): Likewise.
8632 (scalar_chain::convert_registers): Likewise.
8633 (scalar_chain::add_to_queue): Make it protected.
8634 (scalar_chain::emit_conversion_insns): Likewise.
8635 (scalar_chain::replace_with_subreg): Likewise.
8636 (scalar_chain::replace_with_subreg_in_insn): Likewise.
8637 (scalar_chain::convert_op): Likewise.
8638 (scalar_chain::convert_reg): Likewise.
8639 (scalar_chain::make_vector_copies): Likewise.
8640 (scalar_chain::convert_registers): New pure virtual function.
8641 (class dimode_scalar_chain): New class.
8642 (class timode_scalar_chain): Likewise.
8643 (scalar_chain::mark_dual_mode_def): Renamed to ...
8644 (dimode_scalar_chain::mark_dual_mode_def): This.
8645 (timode_scalar_chain::mark_dual_mode_def): New function.
8646 (timode_scalar_chain::convert_insn): Likewise.
8647 (dimode_scalar_chain::convert_registers): Likewise.
8648 (scalar_chain::compute_convert_gain): Renamed to ...
8649 (dimode_scalar_chain::compute_convert_gain): This.
8650 (scalar_chain::replace_with_subreg): Renamed to ...
8651 (dimode_scalar_chain::replace_with_subreg): This.
8652 (scalar_chain::replace_with_subreg_in_insn): Renamed to ...
8653 (dimode_scalar_chain::replace_with_subreg_in_insn): This.
8654 (scalar_chain::make_vector_copies): Renamed to ...
8655 (dimode_scalar_chain::make_vector_copies): This.
8656 (scalar_chain::convert_reg): Renamed to ...
8657 (dimode_scalar_chain::convert_reg ): This.
8658 (scalar_chain::convert_op): Renamed to ...
8659 (dimode_scalar_chain::convert_op): This.
8660 (scalar_chain::convert_insn): Renamed to ...
8661 (dimode_scalar_chain::convert_insn): This.
8662 (scalar_chain::convert): Call convert_registers.
8663 (convert_scalars_to_vector): Change to scalar_chain pointer to
8664 use timode_scalar_chain in 64-bit mode and dimode_scalar_chain
8665 in 32-bit mode. Delete scalar_chain pointer. Call
8666 free_dominance_info in 64-bit mode.
8667 (pass_stv::gate): Remove TARGET_64BIT check.
8668 (ix86_option_override): Put the 64-bit STV pass before the CSE
8671 2016-04-27 Pierre-Marie de Rodat <derodat@adacore.com>
8673 * dwarf2out.h (struct dw_loc_descr_node): Remove the
8674 dw_loc_frame_offset field.
8675 * dwarf2out.c (new_loc_descr): Likewise.
8676 (resolve_args_picking_1): Turn the VISITED hash set into a
8677 FRAME_OFFSET hash map. Use it to associate a frame offset to
8678 visited nodes. Remove uses of the CHECKING_P macro.
8679 (resolve_args_picking): Update call to resolve_args_picking_1.
8681 2016-04-27 Martin Liska <mliska@suse.cz>
8683 * tree-ssa-loop-ivopts.c (iv_ca_dump): Fix level of indentation.
8684 (free_loop_data): Release vuses of groups.
8686 2016-04-27 Bin Cheng <bin.cheng@arm.com>
8688 * tree-ssa-loop-ivopts.c (struct iv): Use pointer to struct iv_use
8689 instead of redundant use_id and boolean have_use_for.
8690 (struct iv_use): Change sub_id into group_id. Remove field next.
8691 Move fields: related_cands, n_map_members, cost_map and selected
8693 (struct iv_group): ... here. New structure.
8694 (struct iv_common_cand): Use structure declaration directly.
8695 (struct ivopts_data, iv_ca, iv_ca_delta): Rename fields.
8696 (MAX_CONSIDERED_USES): Rename macro to ...
8697 (MAX_CONSIDERED_GROUPS): ... here.
8698 (n_iv_uses, iv_use, n_iv_cands, iv_cand): Delete.
8699 (dump_iv, dump_use, dump_cand): Refactor format of dump information.
8700 (dump_uses): Rename to ...
8701 (dump_groups): ... here. Update all uses.
8702 (tree_ssa_iv_optimize_init, alloc_iv): Update all uses.
8703 (find_induction_variables): Refactor format of dump information.
8704 (record_sub_use): Delete.
8705 (record_use): Update all uses.
8706 (record_group): New function.
8707 (record_group_use, find_interesting_uses_op): Call above functions.
8709 (find_interesting_uses_cond): Ditto.
8710 (group_compare_offset): New function.
8711 (split_all_small_groups): Rename to ...
8712 (split_small_address_groups_p): ... here. Update all uses.
8713 (split_address_groups): Update all uses.
8714 (find_interesting_uses): Refactor format of dump information.
8715 (add_candidate_1): Update all uses. Remove redundant check on iv,
8717 (add_candidate, record_common_cand): Remove redundant assert.
8718 (add_iv_candidate_for_biv): Update use.
8719 (add_iv_candidate_derived_from_uses): Update all uses.
8720 (add_iv_candidate_for_groups, record_important_candidates): Ditto.
8721 (alloc_use_cost_map): Ditto.
8722 (set_use_iv_cost, get_use_iv_cost): Rename to ...
8723 (set_group_iv_cost, get_group_iv_cost): ... here. Update all uses.
8724 (determine_use_iv_cost_generic): Ditto.
8725 (determine_group_iv_cost_generic): Ditto.
8726 (determine_use_iv_cost_address): Ditto.
8727 (determine_group_iv_cost_address): Ditto.
8728 (determine_use_iv_cost_condition): Ditto.
8729 (determine_group_iv_cost_cond): Ditto.
8730 (determine_use_iv_cost): Ditto.
8731 (determine_group_iv_cost): Ditto.
8732 (set_autoinc_for_original_candidates): Update all uses.
8733 (find_iv_candidates): Update all uses. Refactor dump information.
8734 (determine_use_iv_costs): Ditto.
8735 (determine_iv_costs): Ditto.
8736 (iv_ca_cand_for_use): Rename to ...
8737 (iv_ca_cand_for_group): ... here. Update all uses.
8738 (iv_ca_add_use, iv_ca_add_group): Ditto.
8739 (iv_ca_set_cp, iv_ca_cost, iv_ca_delta_add): Update all uses.
8740 (iv_ca_delta_join, iv_ca_delta_reverse, iv_ca_delta_free): Ditto.
8741 (iv_ca_new, iv_ca_dump, iv_ca_extend, iv_ca_narrow): Ditto.
8742 (iv_ca_prune, cheaper_cost_with_cand, iv_ca_replace): Ditto.
8743 (try_add_cand_for, try_improve_iv_set, find_optimal_iv_set): Ditto.
8744 (create_new_iv, adjust_iv_update_pos): Ditto.
8745 (rewrite_use_address): Delete.
8746 (rewrite_use_address_1): Rename to ...
8747 (rewrite_use_address): ... here.
8748 (rewrite_use_compare): Update all uses.
8749 (rewrite_use): Delete.
8750 (rewrite_uses): Rename to ...
8751 (rewrite_groups): ... here. Update all uses.
8752 (remove_unused_ivs, free_loop_data): Update all uses.
8753 (tree_ssa_iv_optimize_finalize, tree_ssa_iv_optimize_loop): Ditto.
8755 2016-04-27 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
8757 * rtlanal.c (nonzero_bits1): Convert preprocessor check
8758 for WORD_REGISTER_OPERATIONS to runtime check.
8760 2016-04-27 Richard Biener <rguenther@suse.de>
8763 * tree-ssa-structalias.c (find_func_aliases_for_call): Use
8764 aggregate_value_p to determine if a function result is
8765 returned by reference.
8766 (ipa_pta_execute): Functions having their address taken are
8767 not automatically nonlocal.
8769 2016-04-27 Jakub Jelinek <jakub@redhat.com>
8772 * tree-core.h (enum operand_equal_flag): Add OEP_NO_HASH_CHECK.
8773 * fold-const.c (operand_equal_p): If flag_checking and
8774 OEP_NO_HASH_CHECK is not set in flag, recurse with OEP_NO_HASH_CHECK
8775 and if it returns non-zero, assert iterative_hash_expr on both
8778 2016-04-27 Bernd Schmidt <bschmidt@redhat.com>
8780 * doc/invoke.texi (-frename-registers): Also enabled at -Os.
8782 2016-04-27 Nick Clifton <nickc@redhat.com>
8785 * varasm.c (merge_weak): Generate an error if an attempt is made
8786 to convert a non-weak static function into a weak, public function.
8788 2016-04-27 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
8790 * params.def (MAX_PARTITION_SIZE): New param.
8791 * doc/invoke.texi: Document lto-max-partition.
8793 2016-04-27 Richard Biener <rguenther@suse.de>
8796 * tree-ssa-structalias.c (refered_from_nonlocal_fn): New
8797 function cummulating used_from_other_partition, externally_visible
8798 and force_output from aliases.
8799 (refered_from_nonlocal_var): Likewise.
8800 (ipa_pta_execute): Use call_for_symbol_and_aliases to cummulate
8801 node flags properly.
8803 2016-04-27 Bernd Schmidt <bschmidt@redhat.com>
8805 * doc/invoke.texi (Warning Options): Add -Wmemset-elt-size.
8806 (-Wmemset-elt-size): New item.
8808 2016-04-27 Eric Botcazou <ebotcazou@adacore.com>
8811 * stor-layout.h (internal_reference_types): Delete.
8812 * stor-layout.c (reference_types_internal): Likewise.
8813 (internal_reference_types): Likewise.
8814 (layout_type) <REFERENCE_TYPE>: Adjust.
8816 2016-04-27 Jakub Jelinek <jakub@redhat.com>
8819 * tree.h (inchash::add_expr): Add FLAGS argument.
8820 * tree.c (inchash::add_expr): Likewise. If not OEP_ADDRESS_OF,
8821 use STRIP_NOPS first. For INTEGER_CST assert not OEP_ADDRESS_OF.
8822 For REAL_CST and !HONOR_SIGNED_ZEROS (t) hash +/- 0 the same.
8823 Formatting fix. Adjust recursive calls. For tcc_comparison,
8824 if swap_tree_comparison (code) is smaller than code, hash that
8825 and arguments in the other order. Hash CONVERT_EXPR the same
8826 as NOP_EXPR. For OEP_ADDRESS_OF hash MEM_REF with 0 offset
8827 of ADDR_EXPR of decl as the decl itself. Add or remove
8828 OEP_ADDRESS_OF from recursive flags as needed. For
8829 FMA_EXPR, WIDEN_MULT_{PLUS,MINUS}_EXPR hash the first two
8830 operands commutatively and only the third one normally.
8831 For internal CALL_EXPR hash in CALL_EXPR_IFN.
8833 2016-04-27 Sebastian Huber <sebastian.huber@embedded-brains.de>
8835 * config/rtems.h (LIB_SPEC): Add -latomic.
8837 2016-04-27 Joel Sherrill <joel@rtems.org>
8839 * config/microblaze/rtems.h: Redefine LINK_SPEC to avoid
8840 xilink.ld and flags not relevant to RTEMS.
8842 2016-04-26 Zhouyi Zhou <yizhouzhou@ict.ac.cn>
8844 * toplev.c (backend_init_target): Avoid calling init_reload when using
8847 2016-04-26 Jakub Jelinek <jakub@redhat.com>
8849 * reorg.c (try_merge_delay_insns): Declare i and j inside the
8850 for loops rather than one for the whole function.
8852 2016-04-26 Marc Glisse <marc.glisse@inria.fr>
8854 * match.pd (X + CST CMP X): New transformation.
8856 2016-04-26 Marc Glisse <marc.glisse@inria.fr>
8858 * genmatch.c (write_predicate): Add ATTRIBUTE_UNUSED.
8859 * fold-const.c (fold_binary_loc): Remove 2 transformations
8860 superseded by match.pd.
8861 * match.pd (x+x -> x*2): Generalize to integers.
8863 2016-04-26 Bernd Schmidt <bschmidt@redhat.com>
8865 * config/i386/i386.md (operation on memory peephole): Duplicate an
8866 existing peephole and adapt it to match lea rather than an operation
8869 PR rtl-optimization/57193
8870 * opts.c (default_options_table): Add OPT_frename_registers at -O2
8872 * doc/invoke.texi (-frename-registers, -O2): Update documentation.
8874 2016-04-26 Bin Cheng <bin.cheng@arm.com>
8876 * tree-if-conv.c (any_pred_load_store): New static variable.
8877 (if_convertible_gimple_assign_stmt_p): Remove parameter. Use
8878 any_pred_load_store instead of and_mask_load_store.
8879 (if_convertible_stmt_p, if_convertible_loop_p_1): Ditto.
8880 (if_convertible_loop_p, insert_gimplified_predicates): Ditto.
8881 (combine_blocks, tree_if_conversion): Ditto.
8883 2016-04-26 Bin Cheng <bin.cheng@arm.com>
8885 PR tree-optimization/70771
8886 PR tree-optimization/70775
8887 * tree-if-conv.c (if_convertible_phi_p): Remove check on special
8888 virtual PHI nodes. Delete parameter.
8889 (if_convertible_loop_p_1): Delete argument to above function.
8890 (predicate_all_scalar_phis): Delete code handling single-argument
8892 (tree_if_conversion): Mark and update virtual SSA.
8894 2016-04-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8897 * config/i386/i386.c (LARGECOMM_SECTION_ASM_OP): Define default.
8898 (x86_elf_aligned_common): Rename to ...
8899 (x86_elf_aligned_decl_common): ... this.
8900 Add decl arg. Switch to .lbss for largecomm object. Use
8901 LARGECOMM_SECTION_ASM_OP.
8902 * config/i386/i386-protos.h (x86_elf_aligned_common): Reflect
8904 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_COMMON): Rename to ...
8905 (ASM_OUTPUT_ALIGNED_DECL_COMMON): ... this.
8907 * config/i386/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
8908 [!USE_GAS] (LARGECOMM_SECTION_ASM_OP): Define.
8910 2016-04-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8913 * config/i386/i386.c (SECTION_LARGE): Define.
8914 (x86_64_elf_select_section): Set it for large data/bss sections.
8915 Only clear SECTION_WRITE for .lrodata.
8916 (x86_64_elf_section_type_flags): Set SECTION_LARGE for large
8918 * config/i386/sol2.h (MACH_DEP_SECTION_ASM_FLAG): Define.
8919 * varasm.c (default_elf_asm_named_section): Grow flagchars.
8920 [MACH_DEP_SECTION_ASM_FLAG] Emit MACH_DEP_SECTION_ASM_FLAG for
8922 * doc/tm.texi.in (Sections, MACH_DEP_SECTION_ASM_FLAG): Describe.
8923 * doc/tm.texi: Regenerate.
8925 2016-04-26 Jakub Jelinek <jakub@redhat.com>
8928 * configure.ac (--enable-checking): Document extra flag, for
8929 non-release builds default to --enable-checking=yes,extra.
8930 If misc checking and extra checking, define CHECKING_P to 2 instead
8932 * common.opt (fchecking=): Add.
8933 * doc/invoke.texi (-fchecking=): Document.
8934 * doc/install.texi: Document --enable-checking changes.
8935 * configure: Regenerated.
8936 * config.in: Regenerated.
8938 2016-04-25 Uros Bizjak <ubizjak@gmail.com>
8940 * config/i386/i386.md (*movxi_internal_avx512f): Use insn type
8941 attribute instead of which_alternative.
8942 * config/i386/sse.md (*mov<mode>_internal): Ditto.
8943 Use EXT_REX_SSE_REG_P where appropriate.
8945 2016-04-25 Uros Bizjak <ubizjak@gmail.com>
8947 * config/i386/predicates.md (const0_operand): Do not match
8948 const_wide_int code.
8949 (const1_operand): Ditto.
8951 2016-04-25 Uros Bizjak <ubizjak@gmail.com>
8953 * config/i386/i386.md (*movoi_internal_avx): Set mode attribute to XI
8954 for SSE constm1 operands and TARGET_AVX512VL.
8955 (*movti_internal): Ditto.
8956 (*mov<mode>_or): Use constm1_operand predicate.
8957 * config/i386/sse.md (*mov<mode>_internal): Set mode attribute to XI
8958 for SSE vector_all_ones operands and TARGET_AVX512VL.
8959 * config/i386/predicates.md (constm1_operand): New predicate.
8960 * config/i386/i386.c (standard_sse_constant_opcode): Simplify
8961 emission of constant -1 load.
8963 2016-04-25 Jason Merrill <jason@redhat.com>
8965 * gdbinit.in: Skip is-a.h.
8967 * attribs.c (register_scoped_attributes): Fix logic.
8968 * attribs.h: Declare register_scoped_attributes.
8970 2016-04-25 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
8972 * config/rs6000/rs6000-builtin.def: Correct pasto error for
8973 stxvd2x and stxvw4x built-in functions.
8975 2016-04-25 DJ Delorie <dj@redhat.com>
8977 * config/msp430/msp430.md (ashlhi3): Optimize one bit shifts.
8978 (ashrhi3): Likewise.
8979 (lshrhi3): Likewise.
8981 2016-04-25 Richard Biener <rguenther@suse.de>
8983 PR tree-optimization/70780
8984 * tree-ssa-pre.c (compute_antic_aux): Also return true if the block
8986 (compute_antic): Mark blocks with abnormal preds as visited as
8987 they have a final empty antic-in solution already.
8989 2016-04-25 Michael Collison <michael.collison@linaro.org>
8991 * ChangeLog(2016-04-25): Fix ChangeLog formatting.
8993 2016-04-25 Michael Collison <michael.collison@linaro.org>
8995 * config/arm/neon.md (widen_<us>sum<mode>): New patterns where
8996 mode is VQI to improve mixed mode vectorization.
8997 * config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3): New
8998 define_insn to match low half of signed vaddw.
8999 * config/arm/neon.md (vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): New
9000 define_insn to match high half of signed vaddw.
9001 * config/arm/neon.md (vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): New
9002 define_insn to match low half of unsigned vaddw.
9003 * config/arm/neon.md (vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): New
9004 define_insn to match high half of unsigned vaddw.
9005 * config/arm/arm.c (arm_simd_vect_par_cnst_half): New function.
9006 (arm_simd_check_vect_par_cnst_half_p): Likewise.
9007 * config/arm/arm-protos.h (arm_simd_vect_par_cnst_half): Prototype
9009 (arm_simd_check_vect_par_cnst_half_p): Likewise.
9010 * config/arm/predicates.md (vect_par_constant_high): Support
9011 big endian and simplify by calling
9012 arm_simd_check_vect_par_cnst_half
9013 (vect_par_constant_low): Likewise.
9015 2016-04-25 Uros Bizjak <ubizjak@gmail.com>
9017 * config/i386/i386.md (*lea<mode>_general_4): Use const_0_to_3_operand
9018 predicate for operand 2.
9020 2016-04-24 Uros Bizjak <ubizjak@gmail.com>
9021 H.J. Lu <hongjiu.lu@intel.com>
9023 * config/i386/i386-protos.h (standard_sse_constant_p): Add
9024 machine_mode argument.
9025 * config/i386/i386.c (standard_sse_constant_p): Return 2 for
9026 constm1_rtx operands. For VOIDmode constants, get mode from
9027 pred_mode. Check mode size if the mode is supported by ABI.
9028 (standard_sse_constant_opcode): Do not use standard_constant_p.
9029 Strictly check ABI support for all-ones operands.
9030 (ix86_legitimate_constant_p): Handle TImode, OImode and XImode
9031 immediates. Update calls to standard_sse_constant_p.
9032 (ix86_expand_vector_move): Update calls to standard_sse_constant_p.
9033 (ix86_rtx_costs): Ditto.
9034 * config/i386/i386.md (*movxi_internal_avx512f): Use
9035 nonimmediate_or_sse_const_operand instead of vector_move_operand.
9036 Use (v,BC) alternative instead of (v,C). Use register_operand
9037 checks instead of MEM_P.
9038 (*movoi_internal_avx): Use nonimmediate_or_sse_const_operand instead
9039 of vector_move_operand. Add (v,BC) alternative and corresponding avx2
9040 isa attribute. Use register_operand checks instead of MEM_P.
9041 (*movti_internal): Use nonimmediate_or_sse_const_operand for
9042 TARGET_SSE. Improve TARGET_SSE insn constraint. Add (v,BC)
9043 alternative and corresponding sse2 isa attribute.
9044 (*movtf_internal, *movdf_internal, *movsf_interal): Update calls
9045 to standard_sse_constant_p.
9046 (FP constant splitters): Ditto.
9047 * config/i386/constraints.md (BC): Do not use standard_sse_constant_p.
9049 * config/i386/predicates.md (constm1_operand): Remove.
9050 (nonimmediate_or_sse_const_operand): Rewrite using RTX.
9051 * config/i386/sse.md (*<avx512>_cvtmask2<ssemodesuffix><mode>): Use
9052 vector_all_ones_operand instead of constm1_operand.
9054 2016-04-24 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
9056 * print-rtl.c (print_rtx_insn_vec): New function.
9057 * print-rtl.h: New prototype.
9058 * store-motion.c (struct st_expr): Make avail_stores a vector.
9059 (st_expr_entry): Adjust.
9060 (free_st_expr_entry): Likewise.
9061 (print_store_motion_mems): Likewise.
9062 (find_moveable_store): Likewise.
9063 (compute_store_table): Likewise.
9064 (delete_store): Likewise.
9065 (build_store_vectors): Likewise.
9067 2016-04-24 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
9069 * reorg.c (try_merge_delay_insns): Make merged_insns a vector.
9071 2016-04-24 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
9073 * vec.h (vec_safe_contains): New function.
9074 (vec::contains): Likewise.
9075 (vec::begin): Likewise.
9076 (vec::end): Likewise.
9078 2016-04-23 Jakub Jelinek <jakub@redhat.com>
9081 * cfgexpand.c (expand_stack_vars): Fix typo.
9083 2016-04-22 Szabolcs Nagy <szabolcs.nagy@arm.com>
9085 * system.h (list, map, set, vector): Include conditionally.
9086 * auto-profile.c (INCLUDE_MAP, INCLUDE_SET): Define.
9087 * graphite-isl-ast-to-gimple.c (INCLUDE_MAP): Define.
9088 * ipa-icf.c (INCLUDE_LIST): Define.
9089 * config/aarch64/cortex-a57-fma-steering.c (INCLUDE_LIST): Define.
9090 * config/sh/sh.c (INCLUDE_VECTOR): Define.
9091 * config/sh/sh_treg_combine.cc (INCLUDE_ALGORITHM): Define.
9092 (INCLUDE_LIST, INCLUDE_VECTOR): Define.
9093 * cp/logic.cc (INCLUDE_LIST): Define.
9094 * fortran/trans-common.c (INCLUDE_MAP): Define.
9096 2016-04-22 Szabolcs Nagy <szabolcs.nagy@arm.com>
9098 * auto-profile.c: Remove <string.h> include.
9099 * ipa-icf-gimple.c: Remove <list> include.
9100 * diagnostic.c: Remove <new> include.
9101 * genmatch.c: Likewise.
9102 * pretty-print.c: Likewise.
9103 * toplev.c: Likewise
9104 * c/c-objc-common.c: Likewise.
9105 * cp/error.c: Likewise.
9106 * fortran/error.c: Likewise.
9108 2016-04-22 Richard Biener <rguenther@suse.de>
9110 * lto-streamer-in.c (input_ssa_names): Do not allocate
9111 GIMPLE_NOP for all SSA names.
9112 * lto-streamer-out.c (output_ssa_names): Do not output
9113 SSA names that should have been released.
9115 2016-04-22 Richard Biener <rguenther@suse.de>
9117 PR tree-optimization/70740
9118 * tree-ssa-phiprop.c (propagate_with_phi): Handle inserted
9121 2016-04-21 H.J. Lu <hongjiu.lu@intel.com>
9124 * config/i386/predicates.md (call_insn_operand): Replace
9125 sibcall_memory_operand with memory_operand.
9127 2016-04-21 Patrick Palka <ppalka@gcc.gnu.org>
9129 * tree-vrp.c (register_edge_assert_for_2): Remove redundant
9130 has_single_use() tests.
9131 (register_edge_assert_for_1): Likewise.
9132 (find_assert_locations_1): Check the liveness bitmap instead of
9133 checking has_single_use().
9135 2016-04-21 Kirill Yukhin <kirill.yukhin@intel.com>
9138 * config/i386/sse.md (define_insn "<shift_insn><mode>3<mask_name>"):
9139 Extract AVX-512BW constraint from AVX.
9141 2016-04-21 Richard Biener <rguenther@suse.de>
9143 PR tree-optimization/70725
9144 * tree-if-conv.c (if_convertible_phi_p): Adjust guard
9145 for phi_convertible_by_degenerating_args.
9146 (predicate_all_scalar_phis): Handle single-argument PHIs.
9148 2016-04-21 Richard Biener <rguenther@suse.de>
9151 * fold-const.c (fold_comparison): Return properly typed
9154 2016-04-21 Bin Cheng <bin.cheng@arm.com>
9156 PR tree-optimization/70715
9157 * tree-ssa-loop-niter.c (loop_exits_before_overflow): Check equality
9158 after expanding BASE using expand_simple_operations.
9160 2016-04-21 Marc Glisse <marc.glisse@inria.fr>
9162 * match.pd (min(-x, -y), max(-x, -y), min(~x, ~y), max(~x, ~y)):
9163 New transformations.
9165 2016-04-21 Marc Glisse <marc.glisse@inria.fr>
9167 * match.pd (min(int_max, x), max(int_min, x)): New transformations.
9169 2016-04-20 Jan Hubicka <jh@suse.cz>
9171 * ipa-inline.c (can_inline_edge_p): Pass caller info to
9172 ultiimate_alias_target.
9173 (update_callee_keys): Likewise.
9174 (lookup_recursive_calls): Likewise.
9175 (speculation_useful_p): Likewise.
9177 2016-04-20 Jan Hubicka <jh@suse.cz>
9180 * cgraph.c (cgraph_set_nothrow_flag_1): Rename to ...
9181 (set_nothrow_flag_1): ... this; handle interposition correctly;
9182 recurse on aliases and thunks.
9183 (cgraph_node::set_nothrow_flag): New.
9184 * ipa-pure-const.c (ignore_edge_for_nothrow): Ignore calls to
9185 functions compiled with non-call exceptions that binds to current
9187 (propagate_nothrow): Be safe WRT interposition.
9188 * cgraph.h (set_nothrow_flag): Update prototype.
9190 2016-04-18 Jan Hubicka <jh@suse.cz>
9192 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
9193 max_loop_iterations_int.
9194 (tree_unswitch_outer_loop): Likewise.
9196 2016-04-20 Bin Cheng <bin.cheng@arm.com>
9198 PR tree-optimization/69489
9199 * tree-if-conv.c (phi_convertible_by_degenerating_args): New.
9200 (if_convertible_phi_p): Call phi_convertible_by_degenerating_args.
9201 Revise dump message.
9202 (if_convertible_bb_p): Remove check on edge count of basic block's
9205 2016-04-20 Bin Cheng <bin.cheng@arm.com>
9207 PR tree-optimization/56625
9208 PR tree-optimization/69489
9209 * tree-data-ref.h (DR_INNERMOST): New macro.
9210 * tree-if-conv.c (innermost_loop_behavior_hash): New class for
9211 hashing struct innermost_loop_behavior.
9212 (ref_DR_map): Remove.
9213 (innermost_DR_map): New map.
9214 (baseref_DR_map): Revise comment.
9215 (hash_memrefs_baserefs_and_store_DRs_read_written_info): Store DR
9216 to innermost_DR_map accroding to its innermost loop behavior.
9217 (ifcvt_memrefs_wont_trap): Get DR from innermost_DR_map according
9218 to its innermost loop behavior.
9219 (if_convertible_loop_p_1): Remove intialization for ref_DR_map.
9220 Add initialization for innermost_DR_map. Record memory reference
9221 in DR_BASE_ADDRESS if the reference is compound one or it doesn't
9222 have innermost loop behavior.
9223 (if_convertible_loop_p): Remove release for ref_DR_map. Release
9226 2016-04-20 Uros Bizjak <ubizjak@gmail.com>
9228 * config/i386/i386.md (*lea<mode>_general_1): Rename from
9229 *lea_general_1. Use explicit SWI12 mode interator.
9230 (*lea<mode>_general_2): Rename from *lea_general_2.
9231 Use explicit SWI12 mode interator.
9232 (*lea<mode>_general_3): Rename from *lea_general_3.
9233 Use explicit SWI12 mode interator.
9234 (*lea<SWI12:mode>_general_4): Split from *lea_general_4.
9235 Use explicit SWI12 mode interator.
9236 (*lea<SWI48:mode>_general_4): Split from *lea_general_4.
9237 Use explicit SWI48 mode interator.
9239 2016-04-20 H.J. Lu <hongjiu.lu@intel.com>
9241 * config/i386/i386.c (ix86_avx256_split_vector_move_misalign):
9242 Short-cut unaligned load and store cases. Handle all integer
9244 (ix86_expand_vector_move_misalign): Short-cut unaligned load
9245 and store cases. Call ix86_avx256_split_vector_move_misalign
9246 directly without checking mode class.
9248 2016-04-20 Andrew Pinski <apinski@cavium.com>
9249 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
9252 * config/aarch64/aarch64.md (sibcall): Force call
9253 address to be DImode for ILP32.
9254 (sibcall_value): Likewise.
9256 2016-04-20 H.J. Lu <hongjiu.lu@intel.com>
9258 * doc/invoke.texi: Replace -skip-rax-setup with -mskip-rax-setup.
9260 2016-04-20 Richard Biener <rguenther@suse.de>
9262 * gimple-match.h (maybe_build_generic_op): Adjust prototype.
9263 * gimple-match-head.c (maybe_build_generic_op): Pass all ops
9264 by reference, clear op1 and op2 when GENERICizing BIT_FIELD_REF.
9265 (maybe_push_res_to_seq): Adjust.
9266 * gimple-fold.c (maybe_build_generic_op): Likewise.
9268 2016-04-20 Marek Polacek <polacek@redhat.com>
9270 * tree-if-conv.c (is_false_predicate): For NULL_TREE return false
9273 2016-04-20 Ilya Enkovich <ilya.enkovich@intel.com>
9275 * config/i386/sse.md (vec_unpacks_lo_hi): Always
9276 use kmovw to support AVX512F target.
9278 2016-04-20 Bin Cheng <bin.cheng@arm.com>
9280 * tree-scalar-evolution.c (interpret_rhs_expr): Handle BIT_AND_EXPR.
9282 2016-04-20 Marek Polacek <polacek@redhat.com>
9284 PR tree-optimization/70725
9285 * tree-if-conv.c (is_false_predicate): New function.
9286 (predicate_mem_writes): Use it.
9288 2016-04-20 Richard Biener <rguenther@suse.de>
9290 PR tree-optimization/70726
9291 * tree-vect-stmts.c (vectorizable_shift): Do not use scalar
9292 shift amounts from a pattern stmt operand.
9294 2016-04-20 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
9297 * config/s390/s390.c (s390_restore_gprs_from_fprs): Pick the new
9298 stack_restore_from_fpr pattern when restoring r15.
9299 (s390_optimize_prologue): Strip away the memory barrier in the
9300 parallel when trying to get rid of restore insns.
9301 * config/s390/s390.md ("stack_restore_from_fpr"): New insn
9302 definition for loading the stack pointer from an FPR. Compared to
9303 the normal move insn this pattern includes a full memory barrier.
9305 2016-04-19 Jakub Jelinek <jakub@redhat.com>
9308 * gimplify.c (gimplify_omp_for): Call omp_notice_variable for
9309 implicitly linear or lastprivate iterator on the outer context.
9311 2016-04-19 H.J. Lu <hongjiu.lu@intel.com>
9313 * config/i386/i386.c (ix86_legitimate_combined_insn): Remove
9315 * config/i386/i386.md (ssememalign): Removed.
9316 * config/i386/sse.md: Remove ssememalign attribute from patterns.
9318 2016-04-19 H.J. Lu <hongjiu.lu@intel.com>
9321 * config/i386/avx512bwintrin.h (_mm512_mask_loadu_epi16): Pass
9322 const short * to __builtin_ia32_loaddquhi512_mask.
9323 (_mm512_maskz_loadu_epi16): Likewise.
9324 (_mm512_mask_storeu_epi16): Pass short * to
9325 __builtin_ia32_storedquhi512_mask.
9326 (_mm512_mask_loadu_epi8): Pass const char * to
9327 __builtin_ia32_loaddquqi512_mask.
9328 (_mm512_maskz_loadu_epi8): Likewise.
9329 (_mm512_mask_storeu_epi8): Pass char * to
9330 __builtin_ia32_storedquqi512_mask.
9331 * config/i386/avx512fintrin.h (_mm512_loadu_pd): Pass
9332 const double * to __builtin_ia32_loadupd512_mask.
9333 (_mm512_mask_loadu_pd): Likewise.
9334 (_mm512_maskz_loadu_pd): Likewise.
9335 (_mm512_storeu_pd): Pass double * to
9336 __builtin_ia32_storeupd512_mask.
9337 (_mm512_mask_storeu_pd): Likewise.
9338 (_mm512_loadu_ps): Pass const float * to
9339 __builtin_ia32_loadups512_mask.
9340 (_mm512_mask_loadu_ps): Likewise.
9341 (_mm512_maskz_loadu_ps): Likewise.
9342 (_mm512_storeu_ps): Pass float * to
9343 __builtin_ia32_storeups512_mask.
9344 (_mm512_mask_storeu_ps): Likewise.
9345 (_mm512_mask_loadu_epi64): Pass const long long * to
9346 __builtin_ia32_loaddqudi512_mask.
9347 (_mm512_maskz_loadu_epi64): Likewise.
9348 (_mm512_mask_storeu_epi64): Pass long long *
9349 to __builtin_ia32_storedqudi512_mask.
9350 (_mm512_loadu_si512): Pass const int * to
9351 __builtin_ia32_loaddqusi512_mask.
9352 (_mm512_mask_loadu_epi32): Likewise.
9353 (_mm512_maskz_loadu_epi32): Likewise.
9354 (_mm512_storeu_si512): Pass int * to
9355 __builtin_ia32_storedqusi512_mask.
9356 (_mm512_mask_storeu_epi32): Likewise.
9357 * config/i386/avx512vlbwintrin.h (_mm256_mask_storeu_epi8): Pass
9358 char * to __builtin_ia32_storedquqi256_mask.
9359 (_mm_mask_storeu_epi8): Likewise.
9360 (_mm256_mask_loadu_epi16): Pass const short * to
9361 __builtin_ia32_loaddquhi256_mask.
9362 (_mm256_maskz_loadu_epi16): Likewise.
9363 (_mm_mask_loadu_epi16): Pass const short * to
9364 __builtin_ia32_loaddquhi128_mask.
9365 (_mm_maskz_loadu_epi16): Likewise.
9366 (_mm256_mask_loadu_epi8): Pass const char * to
9367 __builtin_ia32_loaddquqi256_mask.
9368 (_mm256_maskz_loadu_epi8): Likewise.
9369 (_mm_mask_loadu_epi8): Pass const char * to
9370 __builtin_ia32_loaddquqi128_mask.
9371 (_mm_maskz_loadu_epi8): Likewise.
9372 (_mm256_mask_storeu_epi16): Pass short * to.
9373 __builtin_ia32_storedquhi256_mask.
9374 (_mm_mask_storeu_epi16): Pass short * to.
9375 __builtin_ia32_storedquhi128_mask.
9376 * config/i386/avx512vlintrin.h (_mm256_mask_loadu_pd): Pass
9377 const double * to __builtin_ia32_loadupd256_mask.
9378 (_mm256_maskz_loadu_pd): Likewise.
9379 (_mm_mask_loadu_pd): Pass onst double * to
9380 __builtin_ia32_loadupd128_mask.
9381 (_mm_maskz_loadu_pd): Likewise.
9382 (_mm256_mask_storeu_pd): Pass double * to
9383 __builtin_ia32_storeupd256_mask.
9384 (_mm_mask_storeu_pd): Pass double * to
9385 __builtin_ia32_storeupd128_mask.
9386 (_mm256_mask_loadu_ps): Pass const float * to
9387 __builtin_ia32_loadups256_mask.
9388 (_mm256_maskz_loadu_ps): Likewise.
9389 (_mm_mask_loadu_ps): Pass const float * to
9390 __builtin_ia32_loadups128_mask.
9391 (_mm_maskz_loadu_ps): Likewise.
9392 (_mm256_mask_storeu_ps): Pass float * to
9393 __builtin_ia32_storeups256_mask.
9394 (_mm_mask_storeu_ps): ass float * to
9395 __builtin_ia32_storeups128_mask.
9396 (_mm256_mask_loadu_epi64): Pass const long long * to
9397 __builtin_ia32_loaddqudi256_mask.
9398 (_mm256_maskz_loadu_epi64): Likewise.
9399 (_mm_mask_loadu_epi64): Pass const long long * to
9400 __builtin_ia32_loaddqudi128_mask.
9401 (_mm_maskz_loadu_epi64): Likewise.
9402 (_mm256_mask_storeu_epi64): Pass long long * to
9403 __builtin_ia32_storedqudi256_mask.
9404 (_mm_mask_storeu_epi64): Pass long long * to
9405 __builtin_ia32_storedqudi128_mask.
9406 (_mm256_mask_loadu_epi32): Pass const int * to
9407 __builtin_ia32_loaddqusi256_mask.
9408 (_mm256_maskz_loadu_epi32): Likewise.
9409 (_mm_mask_loadu_epi32): Pass const int * to
9410 __builtin_ia32_loaddqusi128_mask.
9411 (_mm_maskz_loadu_epi32): Likewise.
9412 (_mm256_mask_storeu_epi32): Pass int * to
9413 __builtin_ia32_storedqusi256_mask.
9414 (_mm_mask_storeu_epi32): Pass int * to
9415 __builtin_ia32_storedqusi128_mask.
9416 * config/i386/i386-builtin-types.def (PCSHORT): New.
9418 (V64QI_FTYPE_PCCHAR_V64QI_UDI): Likewise.
9419 (V32HI_FTYPE_PCSHORT_V32HI_USI): Likewise.
9420 (V32QI_FTYPE_PCCHAR_V32QI_USI): Likewise.
9421 (V16SF_FTYPE_PCFLOAT_V16SF_UHI): Likewise.
9422 (V8DF_FTYPE_PCDOUBLE_V8DF_UQI): Likewise.
9423 (V16SI_FTYPE_PCINT_V16SI_UHI): Likewise.
9424 (V16HI_FTYPE_PCSHORT_V16HI_UHI): Likewise.
9425 (V16QI_FTYPE_PCCHAR_V16QI_UHI): Likewise.
9426 (V8SF_FTYPE_PCFLOAT_V8SF_UQI): Likewise.
9427 (V8DI_FTYPE_PCINT64_V8DI_UQI): Likewise.
9428 (V8SI_FTYPE_PCINT_V8SI_UQI): Likewise.
9429 (V8HI_FTYPE_PCSHORT_V8HI_UQI): Likewise.
9430 (V4DF_FTYPE_PCDOUBLE_V4DF_UQI): Likewise.
9431 (V4SF_FTYPE_PCFLOAT_V4SF_UQI): Likewise.
9432 (V4DI_FTYPE_PCINT64_V4DI_UQI): Likewise.
9433 (V4SI_FTYPE_PCINT_V4SI_UQI): Likewise.
9434 (V2DF_FTYPE_PCDOUBLE_V2DF_UQI): Likewise.
9435 (V2DI_FTYPE_PCINT64_V2DI_UQI): Likewise.
9436 (VOID_FTYPE_PDOUBLE_V8DF_UQI): Likewise.
9437 (VOID_FTYPE_PDOUBLE_V4DF_UQI): Likewise.
9438 (VOID_FTYPE_PDOUBLE_V2DF_UQI): Likewise.
9439 (VOID_FTYPE_PFLOAT_V16SF_UHI): Likewise.
9440 (VOID_FTYPE_PFLOAT_V8SF_UQI): Likewise.
9441 (VOID_FTYPE_PFLOAT_V4SF_UQI): Likewise.
9442 (VOID_FTYPE_PINT64_V8DI_UQI): Likewise.
9443 (VOID_FTYPE_PINT64_V4DI_UQI): Likewise.
9444 (VOID_FTYPE_PINT64_V2DI_UQI): Likewise.
9445 (VOID_FTYPE_PINT_V16SI_UHI): Likewise.
9446 (VOID_FTYPE_PINT_V8SI_UHI): Likewise.
9447 (VOID_FTYPE_PINT_V4SI_UHI): Likewise.
9448 (VOID_FTYPE_PSHORT_V32HI_USI): Likewise.
9449 (VOID_FTYPE_PSHORT_V16HI_UHI): Likewise.
9450 (VOID_FTYPE_PSHORT_V8HI_UQI): Likewise.
9451 (VOID_FTYPE_PCHAR_V64QI_UDI): Likewise.
9452 (VOID_FTYPE_PCHAR_V32QI_USI): Likewise.
9453 (VOID_FTYPE_PCHAR_V16QI_UHI): Likewise.
9454 (V64QI_FTYPE_PCV64QI_V64QI_UDI): Removed.
9455 (V32HI_FTYPE_PCV32HI_V32HI_USI): Likewise.
9456 (V32QI_FTYPE_PCV32QI_V32QI_USI): Likewise.
9457 (V16HI_FTYPE_PCV16HI_V16HI_UHI): Likewise.
9458 (V16QI_FTYPE_PCV16QI_V16QI_UHI): Likewise.
9459 (V8HI_FTYPE_PCV8HI_V8HI_UQI): Likewise.
9460 (VOID_FTYPE_PV32HI_V32HI_USI): Likewise.
9461 (VOID_FTYPE_PV16HI_V16HI_UHI): Likewise.
9462 (VOID_FTYPE_PV8HI_V8HI_UQI): Likewise.
9463 (VOID_FTYPE_PV64QI_V64QI_UDI): Likewise.
9464 (VOID_FTYPE_PV32QI_V32QI_USI): Likewise.
9465 (VOID_FTYPE_PV16QI_V16QI_UHI): Likewise.
9466 * config/i386/i386.c (ix86_emit_save_reg_using_mov): Don't
9468 (ix86_emit_restore_sse_regs_using_mov): Don't use UNSPEC_LOADU.
9469 (ix86_avx256_split_vector_move_misalign): Don't use unaligned
9471 (ix86_expand_vector_move_misalign): Likewise.
9472 (bdesc_special_args): Use CODE_FOR_movvNXY_internal and pointer
9473 to scalar function prototype for unaligned load/store builtins.
9474 (ix86_expand_special_args_builtin): Updated.
9475 * config/i386/sse.md (UNSPEC_LOADU): Removed.
9476 (UNSPEC_STOREU): Likewise.
9477 (VI_ULOADSTORE_BW_AVX512VL): Likewise.
9478 (VI_ULOADSTORE_F_AVX512VL): Likewise.
9479 (ssescalarsize): Handle V4TI, V2TI and V1TI.
9480 (<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
9481 (*<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
9482 (<sse>_storeu<ssemodesuffix><avxsizesuffix>): Likewise.
9483 (<avx512>_storeu<ssemodesuffix><avxsizesuffix>_mask): Likewise.
9484 (<sse2_avx_avx512f>_loaddqu<mode><mask_name>): Likewise.
9485 (*<sse2_avx_avx512f>_loaddqu<mode><mask_name>"): Likewise.
9486 (sse2_avx_avx512f>_storedqu<mode>): Likewise.
9487 (<avx512>_storedqu<mode>_mask): Likewise.
9488 (*sse4_2_pcmpestr_unaligned): Likewise.
9489 (*sse4_2_pcmpistr_unaligned): Likewise.
9490 (*mov<mode>_internal): Renamed to ...
9491 (mov<mode>_internal): This. Remove check of AVX and IAMCU on
9492 misaligned operand. Replace vmovdqu64 with vmovdqu<ssescalarsize>.
9493 (movsd/movhpd to movupd peephole): Don't use UNSPEC_LOADU.
9494 (movlpd/movhpd to movupd peephole): Don't use UNSPEC_STOREU.
9496 2016-04-19 Richard Biener <rguenther@suse.de>
9498 PR tree-optimization/70171
9499 * tree-ssa-phiprop.c: Include stor-layout.h.
9500 (phiprop_insert_phi): Handle the aggregate copy case.
9501 (propagate_with_phi): Likewise.
9503 2016-04-19 Uros Bizjak <ubizjak@gmail.com>
9505 * config/i386/i386.c (ix86_decompose_address): Use lowpart_subreg
9506 instead of simplify_gen_subreg (... , 0).
9507 (ix86_delegitimize_address): Ditto.
9508 (ix86_split_divmod): Ditto.
9509 (ix86_split_copysign_const): Ditto.
9510 (ix86_split_copysign_var): Ditto.
9511 (ix86_expand_args_builtin): Ditto.
9512 (ix86_expand_round_builtin): Ditto.
9513 (ix86_expand_special_args_builtin): Ditto.
9514 * config/i386/i386.md (TARGET_USE_VECTOR_FP_CONVERTS splitters): Ditto.
9515 (TARGET_SSE_PARTIAL_REG_DEPENDENCY splitters and peephole2s): Ditto.
9516 (udivmodqi4): Ditto.
9517 (absneg splitters): Ditto.
9518 (*jcc_bt<mode>_1): Ditto.
9520 2016-04-19 Richard Biener <rguenther@suse.de>
9522 PR tree-optimization/70724
9523 * tree-ssa-sccvn.c (scc_vn_restore_ssa_info): Split SSA info
9524 restoring out from ...
9525 (free_scc_vn): ... here.
9526 * tree-ssa-sccvn.h (scc_vn_restore_ssa_info): Declare.
9527 * tres-ssa-pre.c (pass_pre::execute): Restore SSA info before
9529 (pass_fre::execute): Restore SSA info.
9531 2016-04-19 Richard Biener <rguenther@suse.de>
9533 * gimple-walk.h (struct walk_stmt_info): Add stmt member.
9534 * gimple-walk.c (walk_gimple_op): Initialize it.
9535 (walk_gimple_asm): Set wi->is_lhs before each callback invocation.
9536 * tree-inline.c (remap_gimple_op_r): Set SSA_NAME_DEF_STMT when
9537 remapping SSA names of defs.
9538 (copy_bb): Remove walk over all SSA defs and SSA_NAME_DEF_STMT
9541 2016-04-18 Vladimir Makarov <vmakarov@redhat.com>
9544 * lra-constraints.c (equiv_substition_p): New.
9545 (process_alt_operands): Use it.
9546 (swap_operands): Swap it.
9547 (curr_insn_transform): Update it.
9549 2016-04-18 Michael Matz <matz@suse.de>
9551 * tree.h (TYPE_ALIGN, DECL_ALIGN): Return shifted amount.
9552 (SET_TYPE_ALIGN, SET_DECL_ALIGN): New.
9553 * tree-core.h (tree_type_common.align): Use bit-field.
9554 (tree_type_common.spare): New.
9555 (tree_decl_common.off_align): Make smaller.
9556 (tree_decl_common.align): Use bit-field.
9558 * expr.c (expand_expr_addr_expr_1): Use SET_TYPE_ALIGN.
9559 * omp-low.c (install_var_field): Use SET_DECL_ALIGN.
9560 (scan_sharing_clauses): Ditto.
9561 (finish_taskreg_scan): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
9562 (omp_finish_file): Ditto.
9563 * stor-layout.c (do_type_align): Use SET_DECL_ALIGN.
9564 (layout_decl): Ditto.
9565 (relayout_decl): Ditto.
9566 (finalize_record_size): Use SET_TYPE_ALIGN.
9567 (finalize_type_size): Ditto.
9568 (finish_builtin_struct): Ditto.
9569 (layout_type): Ditto.
9570 (initialize_sizetypes): Ditto.
9571 * targhooks.c (std_gimplify_va_arg_expr): Use SET_TYPE_ALIGN.
9572 * tree-nested.c (insert_field_into_struct): Use SET_TYPE_ALIGN.
9573 (lookup_field_for_decl): Use SET_DECL_ALIGN.
9574 (get_chain_field): Ditto.
9575 (get_trampoline_type): Ditto.
9576 (get_nl_goto_field): Ditto.
9577 * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
9579 (unpack_ts_type_common_value_fields): Use SET_TYPE_ALIGN.
9580 * gimple-expr.c (copy_var_decl): Use SET_DECL_ALIGN.
9581 * tree.c (make_node_stat): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
9582 (build_qualified_type): Use SET_TYPE_ALIGN.
9583 (build_aligned_type, build_range_type_1): Ditto.
9584 (build_atomic_base): Ditto.
9585 (build_common_tree_nodes): Ditto.
9586 * cfgexpand.c (align_local_variable): Use SET_DECL_ALIGN.
9587 (expand_one_stack_var_at): Ditto.
9588 * coverage.c (build_var): Use SET_DECL_ALIGN.
9589 * except.c (init_eh): Ditto.
9590 * function.c (assign_parm_setup_block): Ditto.
9591 * symtab.c (increase_alignment_1): Ditto.
9592 * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Ditto.
9593 * tree-vect-stmts.c (ensure_base_align): Ditto.
9594 * varasm.c (align_variable): Ditto.
9595 (assemble_variable): Ditto.
9596 (build_constant_desc): Ditto.
9597 (output_constant_def_contents): Ditto.
9599 * config/arm/arm.c (arm_relayout_function): Use SET_DECL_ALIGN.
9600 * config/avr/avr.c (avr_adjust_type_node): Use SET_TYPE_ALIGN.
9601 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): Ditto.
9602 * config/msp430/msp430.c (msp430_gimplify_va_arg_expr): Ditto.
9603 * config/spu/spu.c (spu_build_builtin_va_list): Use SET_DECL_ALIGN.
9605 2016-04-18 H.J. Lu <hongjiu.lu@intel.com>
9608 * config/i386/sse.md (sse2_loadlpd): Accept load from "xm" and
9609 replace %vmovsd with "%vmovq".
9610 (vec_concatv2df): Likewise.
9612 2016-04-18 Uros Bizjak <ubizjak@gmail.com>
9614 * config/i386/mmx.md (*vec_extractv2sf_0): Use gen_lowpart.
9615 (*vec_extractv2si_0): Ditto.
9616 * config/i386/sse.md (*vec_extractv4sf_0): Ditto.
9617 (zero_extended_scalar_load_operand splitters): Ditto.
9618 (vec_extract splitters): Ditto.
9619 (*vec_extractv4si_0_zext): Ditto.
9620 (avx_<castmode><avxsizesuffix>_<castmode>): Use gen_lowpart
9622 (avx512f_<castmode><avxsizesuffix>_<castmode>): Ditto.
9623 (avx512f_<castmode><avxsizesuffix>_256<castmode>): Ditto.
9624 (*sse4_1_extractps): Use lowpart_subreg.
9625 * config/i386/i386.md (x87 floatsplitter): Use gen_lowpart.
9627 2016-04-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
9629 * doc/install.texi (Specific, i?86-*-solaris2.10): Update gas and
9631 (Specific, *-*-solaris2*): Update Solaris 11 bundled gcc versions.
9632 Mention Solaris 11 packaging changes.
9633 Update gas and gld requirements.
9634 Remove reference to pre-Solaris 10 bug.
9635 (Specific, sparc-sun-solaris2*): Remove reference to pre-Solaris 10
9637 (Specific, sparc64-*-solaris2*): Remove reference to bootstrap
9640 2016-04-17 Jan Hubicka <jh@suse.cz>
9642 * tree-ssa-loop-ivopts.c (avg_loop_niter): Use also
9643 max_loop_iterations_int.
9645 2016-04-18 Richard Biener <rguenther@suse.de>
9647 PR tree-optimization/43434
9648 * tree-ssa-structalias.c (struct vls_data): New.
9649 (visit_loadstore): Handle all pointer-based accesses.
9650 (compute_dependence_clique): Compute a bitmap of restrict tags
9651 assigned bases and pass it to visit_loadstore.
9653 2016-04-18 Matthew Wahab <matthew.wahab@arm.com>
9656 * config/arm/bpabi.h (BE8_LINK_SPEC): Add entries for armv8+crc,
9657 armv8.1-a and armv8.1-a+crc.
9659 2016-04-18 Richard Biener <rguenther@suse.de>
9661 PR tree-optimization/70701
9662 * tree-ssa-sccvn.c (vn_reference_lookup_3): Resolve fully constant
9663 references after translating through a memcpy.
9665 2016-04-18 Richard Biener <rguenther@suse.de>
9667 * tree-ssa-pre.c (postorder, postorder_num): Make locals ...
9668 (compute_antic): ... here. For partial antic use regular
9669 postorder and scrap iteration.
9670 (compute_partial_antic_aux): Remove unused return value.
9671 (init_pre): Do not allocate postorder.
9672 (fini_pre): Do not free postorder.
9674 2016-04-18 Richard Biener <rguenther@suse.de>
9677 * expmed.c (extract_bit_field_1): Remove broken case
9678 using a wider MODE_INT mode.
9680 2016-04-18 Segher Boessenkool <segher@kernel.crashing.org>
9682 * has-brig.c (lendian16): Don't try to use __builtin_bswap16
9683 unless compiling with at least GCC-4.8.
9685 2016-04-17 Jan Hubicka <jh@suse.cz>
9688 * graphite.c (graphite_finalize): Update call to
9689 tree_estimate_probability.
9690 * predict.h (tree_estimate_probability): Update prototype.
9692 2016-04-17 Jan Hubicka <jh@suse.cz>
9694 * predict.c (combine_predictions_for_bb): Add dry_run parmaeter.
9695 (tree_estimate_probability): Likewise.
9696 (pass_profile::execute): Update.
9697 (report_predictor_hitrates): New function.
9698 * profile.c (compute_branch_probabilities): Use it.
9699 * predict.h (report_predictor_hitrates): Declare.
9701 2016-04-17 Jan Hubicka <jh@suse.cz>
9704 * cgraph.h (cgraph_node::set_const_flag,
9705 cgraph_node::set_pure_flag): Update prototype to return bool;
9707 * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases): Thunks
9708 of interposable symbol are interposable, too.
9709 (cgraph_set_const_flag_1): Rename to ...
9710 (set_const_flag_1): ... this one; change to self recursive function
9711 instead of call_for_symbol_thunks_and_aliases. Handle correctly
9712 clearnig the flag in all variants and also virtual thunks of const
9713 functions are pure; track if any change was done.
9714 (cgraph_node::set_const_flag): Update.
9715 (struct set_pure_flag_info): New struct.
9716 (cgraph_set_pure_flag_1): Rename to ...
9717 (set_pure_flag_1): ... this one; take set_pure_flag_info parameter
9718 rather than pointer encoded flags; track if any changes was done;
9719 handle correctly clearning flag and setting flag of aliases already
9721 (cgraph_node::set_pure_flag): Update.
9722 (cgraph_node::set_nothrow_flag): Handle correctly clearning the flag.
9724 2016-04-17 Tom de Vries <tom@codesourcery.com>
9727 * pretty-print.c (pp_write_text_as_dot_label_to_stream): Escape
9730 2016-04-17 Tom de Vries <tom@codesourcery.com>
9732 * pretty-print.c (pp_write_text_as_dot_label_to_stream): Classify chars
9733 '{}<> ' as escape-for-record.
9735 2016-04-17 Tom de Vries <tom@codesourcery.com>
9737 * pretty-print.c (pp_write_text_as_dot_label_to_stream): Simplify loop
9740 2016-04-17 Tom de Vries <tom@codesourcery.com>
9743 * tree-pass.h (class opt_pass): Remove graph_dump_initialized member.
9744 * dumpfile.h (struct dump_file_info): Add graph_dump_initialized field.
9745 * dumpfile.c (dump_files): Initialize graph_dump_initialized field.
9746 * passes.c (finish_optimization_passes): Only call
9747 finish_graph_dump_file if dfi->graph_dump_initialized.
9748 (execute_function_dump, pass_init_dump_file): Use
9749 dfi->graph_dump_initialized instead of pass->graph_dump_initialized.
9751 2016-04-17 Tom de Vries <tom@codesourcery.com>
9753 PR tree-optimization/70256
9754 * tree-ssa-structalias.c (dump_varinfo, debug_varinfo, dump_varmap)
9755 (debug_varmap): New function.
9757 2016-04-17 Tom de Vries <tom@codesourcery.com>
9760 * passes.c (pass_manager::register_pass): Propagate pflags.
9762 2016-04-17 Tom de Vries <tom@codesourcery.com>
9765 * pass_manager.h (TERMINATE_PASS_LIST): Add pass argument.
9766 * passes.c (pass_manager::pass_manager): Declare and init p_start in
9767 INSERT_PASSES_AFTER. Add pass parameter to TERMINATE_PASS_LIST, and
9768 check if it's equal to p_start.
9769 * passes.def: Add arguments to TERMINATE_PASS_LISTs.
9771 2016-04-15 Jan Hubicka <jh@suse.cz>
9774 * cgraph.c (cgraph_set_const_flag_1): Only set as pure if
9775 function does not bind to current def.
9776 * ipa-pure-const.c (worse_state): Add FROM and TO parameters;
9777 handle conservatively calls to functions that does not need to bind
9779 (check_call): Update call of worse_state.
9780 (ignore_edge_for_nothrow): Update.
9781 (ignore_edge_for_pure_const): Likewise.
9782 (propagate_pure_const): Update calls to worse_state.
9783 (skip_function_for_local_pure_const): Reformat comments.
9785 2016-04-15 Jan Hubicka <jh@suse.cz>
9788 * cgraph.c (cgraph_node::get_availability): Add REF parameter.
9789 (cgraph_node::function_symbol): Likewise.
9790 (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
9791 * cgraph.h (symtab_node::get_availabbility): Add REF parameter.
9792 (symtab_node::ultimate_alias_target): Add REF parameter.
9793 (symtab_node::binds_to_current_def_p): Declare.
9794 (symtab_node;:ultimate_alias_target_1): Add REF parameter.
9795 (cgraph_node::function_symbol): Likewise.
9796 (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
9797 (cgraph_node::get_availability): Likewise.
9798 (cgraph_edge::binds_to_current_def_p): New inline function.
9799 (varpool_node::get_availability): Add REF parameter.
9800 (varpool_node::ultimate_alias_target): Likewise.
9801 * symtab.c (symtab_node::ultimate_alias_target_1): Likewise.
9802 (symtab_node::binds_to_current_def_p): Likewise.
9803 * varpool.c (varpool_node::get_availability): Likewise.
9805 2016-04-15 Kirill Yukhin <kirill.yukhin@intel.com>
9808 * config/i386/sse.md(define_insn "<avx512>_vec_dup<mode><mask_name>"):
9809 Fix mode size check.
9811 2016-04-15 Jakub Jelinek <jakub@redhat.com>
9813 * BASE-VER: Set to 7.0.0.
9815 2016-04-15 Alexander Monakov <amonakov@ispras.ru>
9817 * config/nvptx/nvptx.opt (moptimize): Add a period at end of help text.
9819 2016-04-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
9821 * doc/invoke.texi (ARM Options): Add note on deprecation of pre-ARMv4T
9822 architecture revisions.
9824 2016-04-15 Bernd Schmidt <bschmidt@redhat.com>
9826 * config/i386/i386-protos.h (ix86_using_red_zone): Declare.
9827 * config/i386/i386.c (ix86_using_red_zone): No longer static.
9828 * config/i386/i386.md (stack decrement to push peepholes): Guard
9829 with !x86_using_red_zone ().
9831 2016-04-15 Jakub Jelinek <jakub@redhat.com>
9834 * tree-pretty-print.c (do_niy): Add FLAGS argument, pass it down
9835 to dump_generic_node.
9836 (NIY): Pass also flags to do_niy.
9838 2016-04-15 Thomas Schwinge <thomas@codesourcery.com>
9840 * omp-low.c (simd_clone_struct_alloc, simd_clone_struct_copy)
9841 (simd_clone_vector_of_formal_parm_types)
9842 (simd_clone_clauses_extract, simd_clone_compute_base_data_type)
9843 (simd_clone_mangle, simd_clone_create)
9844 (simd_clone_adjust_return_type, create_tmp_simd_array)
9845 (simd_clone_adjust_argument_types, simd_clone_init_simd_arrays)
9846 (struct modify_stmt_info, ipa_simd_modify_stmt_ops)
9847 (ipa_simd_modify_function_body, simd_clone_linear_addend)
9848 (simd_clone_adjust, expand_simd_clones, ipa_omp_simd_clone)
9849 (pass_data_omp_simd_clone, class pass_omp_simd_clone)
9850 (pass_omp_simd_clone::gate, make_pass_omp_simd_clone): Move into...
9851 * omp-simd-clone.c: ... this new file.
9852 (simd_clone_vector_of_formal_parm_types): Make it static.
9853 * Makefile.in (OBJS): Add omp-simd-clone.o.
9855 2016-04-15 Kirill Yukhin <kirill.yukhin@intel.com>
9858 * config/i386/sse.md: Use proper memory operand modifiers.
9861 2016-04-15 Richard Biener <rguenther@suse.de>
9862 Alan Modra <amodra@gmail.com>
9864 PR tree-optimization/70130
9865 * tree-vect-data-refs.c (vect_supportable_dr_alignment): Detect
9866 when alignment stays not the same and no not use the realign
9869 2016-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
9872 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
9873 direct move handlers for KFmode. Change TFmode handlers test from
9874 FLOAT128_IEEE_P to FLOAT128_VECTOR_P.
9876 2016-04-14 Jakub Jelinek <jakub@redhat.com>
9879 * ipa-utils.h (polymorphic_ctor_dtor_p): New prototype.
9880 * ipa-polymorphic-call.c (polymorphic_ctor_dtor_p): New function.
9881 (inlined_polymorphic_ctor_dtor_block_p): Use it.
9882 * tree-ssa-live.c (remove_unused_scope_block_p): When
9883 in_ctor_dtor_block, avoid discarding not just BLOCKs with
9884 BLOCK_ABSTRACT_ORIGIN being FUNCTION_DECL, but even when
9885 block_ultimate_origin is FUNCTION_DECL.
9886 (remove_unused_locals): If current_function_decl is
9887 polymorphic_ctor_dtor_p, pass initial true to
9888 remove_unused_scope_block_p' is_ctor_dtor_block.
9890 2016-04-14 Martin Sebor <msebor@redhat.com>
9895 * doc/extend.texi (Variable Length): Revert.
9897 2016-04-14 Marek Polacek <polacek@redhat.com>
9898 Jan Hubicka <hubicka@ucw.cz>
9901 * tree.c (verify_type): Disable the canonical type of main variant
9904 2016-04-14 Jason Merrill <jason@redhat.com>
9906 * cfgexpand.c, expr.c: Revert previous change.
9908 2016-04-14 Cesar Philippidis <cesar@codesourcery.com>
9911 * omp-low.c (lower_oacc_reductions): Check for TREE_CONSTANT
9912 when building a mem ref for the incoming reduction variable.
9914 2016-04-14 Richard Biener <rguenther@suse.de>
9916 PR tree-optimization/70614
9917 * tree-scalar-evolution.c (analyze_evolution_in_loop): Terminate
9918 loop if the evolution dropped to chrec_dont_know.
9919 (interpret_condition_phi): Likewise.
9921 2016-04-14 Richard Biener <rguenther@suse.de>
9923 PR tree-optimization/70623
9924 * tree-ssa-pre.c (changed_blocks): Make global ...
9925 (compute_antic): ... local here. Move and fix worklist
9926 handling here. Do not clear EDGE_DFS_BACK or call mark_dfs_back_edges.
9927 (compute_antic_aux): Add dumping for MAX assumed succs. Remove
9928 worklist handling, dump when ANTIC_IN changed.
9929 (compute_partial_antic_aux): Remove worklist handling.
9930 (init_pre): Do not compute post dominators. Add a comment about
9931 the CFG order chosen.
9932 (fini_pre): Do not free post dominators.
9934 2016-04-13 Martin Sebor <msebor@redhat.com>
9939 * doc/extend.texi (Variable Length): Document C++ specifics.
9941 2016-04-13 Jakub Jelinek <jakub@redhat.com>
9944 * ipa-pure-const.c (pass_nothrow::execute): Call maybe_clean_eh_stmt
9945 on all recursive call stmts. Return TODO_cleanup_cfg if any dead
9946 eh edges have been purged.
9949 * tree-sra.c (create_access_replacement,
9950 get_replaced_param_substitute): Set DECL_NAMELESS on repl if it
9952 * tree-pretty-print.c (dump_fancy_name): New function.
9953 (dump_decl_name, dump_generic_node): Use it.
9955 2016-04-13 Jason Merrill <jason@redhat.com>
9957 * cfgexpand.c (pass_expand::execute): Handle attribute "abi warning".
9958 * expr.c (expand_expr_real_1): Likewise.
9960 2016-04-13 Ilya Enkovich <ilya.enkovich@intel.com>
9962 * config/i386/i386.md (kunpckhi): Swap operands.
9963 (kunpcksi): Likewise.
9964 (kunpckdi): Likewise.
9965 * config/i386/sse.md (vec_pack_trunc_qi): Likewise.
9966 (vec_pack_trunc_<mode>): Likewise.
9968 2016-04-13 Jakub Jelinek <jakub@redhat.com>
9971 * explow.c (convert_memory_address_addr_space_1): Formatting fix.
9974 * gimplify.c (gimplify_init_constructor): Clear TREE_STATIC if
9975 gimplification turns some element into non-constant.
9978 * rtl.h (convert_memory_address_addr_space_1): New prototype.
9979 * explow.c (convert_memory_address_addr_space_1): No longer static,
9980 add NO_EMIT argument and don't call convert_modes if true, pass
9981 it down recursively, remove break after return.
9982 (convert_memory_address_addr_space): Adjust caller.
9983 * simplify-rtx.c (simplify_unary_operation_1): Call
9984 convert_memory_address_addr_space_1 instead of convert_memory_address,
9985 if it returns NULL, don't simplify.
9987 2016-04-12 Eric Botcazou <ebotcazou@adacore.com>
9990 * config/sparc/sparc.c (sparc_compute_frame_size): Add parentheses.
9992 2016-04-12 Jakub Jelinek <jakub@redhat.com>
9994 * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
9995 Bump the upper SIMDLEN limits, so that if the return type or
9996 characteristic type if the return type is void can be passed in
9997 all available SSE2/AVX/AVX2/AVX512-F registers, the SIMDLEN is
10000 2016-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
10003 * config/rs6000/rs6000.md (ieee_128bit_vsx_neg<mode>2_internal):
10004 Do not use "=" constraint on an input constraint.
10005 (ieee_128bit_vsx_abs<mode>2_internal): Likewise.
10006 (ieee_128bit_vsx_nabs<mode>2_internal): Likewise.
10007 (ieee_128bit_vsx_nabs<mode>2): Correct splitter so that it
10008 generates (neg (abs ...)) instead of (abs ...).
10010 2016-04-12 Jakub Jelinek <jakub@redhat.com>
10012 PR rtl-optimization/70596
10013 * lra-spills.c (spill_pseudos): Don't delete debug insns, instead
10014 just invalidate LRA data and reset them. Adjust dump wording.
10016 2016-04-12 Martin Liska <mliska@suse.cz>
10019 2016-03-30 Jan Hubicka <hubicka@ucw.cz>
10021 * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
10023 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
10024 max_loop_iterations_int.
10025 (tree_unswitch_outer_loop): Likewise.
10026 * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
10027 * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
10029 2016-04-12 Tom de Vries <tom@codesourcery.com>
10031 PR tree-optimization/68756
10032 * graphite-isl-ast-to-gimple.c (copy_cond_phi_args): Use new_expr
10033 instead of new_name.
10035 2016-04-12 Jakub Jelinek <jakub@redhat.com>
10037 PR tree-optimization/70602
10038 * tree-sra.c (generate_subtree_copies): Don't write anything into
10039 constant pool decls.
10041 * omp-low.c (lower_omp_target): Use GOMP_MAP_FIRSTPRIVATE_INT
10042 regardless whether there are depend clauses or not.
10044 2016-04-11 Michael Meissner <meissner@linux.vnet.ibm.com>
10047 * config/rs6000/rs6000.c (rs6000_opt_masks): Disable using the
10048 target attribute and pragma from changing the -mfloat128
10049 and -mfloat128-hardware options.
10051 * doc/extend.texi (Additional Floating Types): Document PowerPC
10052 __float128 restrictions.
10054 2016-04-11 James Greenhalgh <james.greenhalgh@arm.com>
10057 * config/aarch64/driver-aarch64.c
10058 (aarch64_get_extension_string_for_isa_flags): New.
10059 (arch_extension): Rename to...
10060 (aarch64_arch_extension): ...This.
10061 (ext_to_feat_string): Rename to...
10062 (aarch64_extensions): ...This.
10063 (aarch64_core_data): Keep track of architecture extension flags.
10064 (cpu_data): Rename to...
10065 (aarch64_cpu_data): ...This.
10066 (aarch64_arch_driver_info): Keep track of architecture extension
10068 (get_arch_name_from_id): Rename to...
10069 (get_arch_from_id): ...This, change return type.
10070 (host_detect_local_cpu): Update and reformat for renames, handle
10071 extensions through common infrastructure.
10073 2016-04-11 James Greenhalgh <james.greenhalgh@arm.com>
10076 * config/aarch64/aarch64-common.c (aarch64_option_extension): Keep
10077 track of a canonical flag name.
10078 (all_extensions): Likewise.
10079 (arch_to_arch_name): Also track extension flags enabled by the arch.
10080 (all_architectures): Likewise.
10081 (aarch64_parse_extension): Move to here.
10082 (aarch64_get_extension_string_for_isa_flags): Take a new argument,
10084 (aarch64_rewrite_selected_cpu): Update for above change.
10085 * config/aarch64/aarch64-option-extensions.def: Rework the way flags
10086 are handled, such that the single explicit value enabled by an
10087 extension is kept seperate from the implicit values it also enables.
10088 * config/aarch64/aarch64-protos.h (aarch64_parse_opt_result): Move
10090 (aarch64_parse_extension): New.
10091 * config/aarch64/aarch64.c (aarch64_parse_opt_result): Move from
10092 here to config/aarch64/aarch64-protos.h.
10093 (aarch64_parse_extension): Move from here to
10094 common/config/aarch64/aarch64-common.c.
10095 (aarch64_option_print): Update.
10096 (aarch64_declare_function_name): Likewise.
10097 (aarch64_start_file): Likewise.
10098 * config/aarch64/driver-aarch64.c (arch_extension): Keep track of
10099 the canonical flag for extensions.
10100 * config.gcc (aarch64*-*-*): Extend regex for capturing extension
10103 2016-04-11 James Greenhalgh <james.greenhalgh@arm.com>
10105 * config/aarch64/aarch64.h (AARCH64_FL_FOR_ARCH8_1): Also add
10108 2016-04-09 Tom de Vries <tom@codesourcery.com>
10110 PR tree-optimization/68953
10111 * graphite-sese-to-poly.c (pdr_add_memory_accesses): Order accesses from
10112 first to last subscript.
10114 2016-04-09 Jakub Jelinek <jakub@redhat.com>
10116 PR tree-optimization/70586
10117 * tree-ssa-ifcombine.c (bb_no_side_effects_p): Return false
10120 2016-04-08 Cesar Philippidis <cesar@codesourcery.com>
10124 PR tree-optimization/70373
10125 PR middle-end/70533
10126 PR middle-end/70534
10127 PR middle-end/70535
10128 * gimplify.c (gimplify_adjust_omp_clauses): Add or adjust data
10129 clauses for acc parallel reductions as necessary. Error on those
10131 * omp-low.c (scan_sharing_clauses): Don't install variables which
10132 are used in acc parallel reductions.
10133 (lower_rec_input_clauses): Remove dead code.
10134 (lower_oacc_reductions): Add support for reference reductions.
10135 (lower_reduction_clauses): Remove dead code.
10136 (lower_omp_target): Don't remap variables appearing in acc parallel
10138 * tree.h (OMP_CLAUSE_MAP_IN_REDUCTION): New macro.
10140 2016-04-08 Jakub Jelinek <jakub@redhat.com>
10142 PR middle-end/70593
10143 * tree-ssa-coalesce.c (build_ssa_conflict_graph): For stmt
10144 with multiple SSA_NAME defs, force the outputs other than first
10145 to be live before calling live_track_process_def on each output.
10147 PR rtl-optimization/70574
10148 * fwprop.c (forward_propagate_and_simplify): Don't add
10149 REG_EQUAL note if DF_REF_REG (use) is a paradoxical subreg.
10150 (try_fwprop_subst): Don't add REG_EQUAL note if there are any
10151 paradoxical subregs within *loc.
10153 2016-04-08 Thomas Schwinge <thomas@codesourcery.com>
10155 * config/arc/arc.h (LINK_COMMAND_SPEC): Use gt to ignore
10156 -ftree-parallelize-loops={0,1}.
10157 * config/darwin.h (LINK_COMMAND_SPEC_A): Likewise.
10158 * config/i386/mingw32.h (GOMP_SELF_SPECS): Likewise.
10159 * config/ia64/hpux.h (LIB_SPEC): Likewise.
10160 * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
10161 * config/pa/pa64-hpux.h (LIB_SPEC): Likewise.
10163 2016-04-08 Maxim Ostapenko <m.ostapenko@samsung.com>
10166 * asan.c (instrument_derefs): If we get unknown location, extract it
10167 with EXPR_LOCATION.
10168 (maybe_instrument_call): Instrument gimple_call's arguments if needed.
10170 2016-04-08 Tom de Vries <tom@codesourcery.com>
10172 * omp-low.c (lower_omp_target): Set TREE_NO_WARNING for oacc
10173 implicit firstprivate clause.
10175 2016-04-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
10178 * config/arm/thumb2.md (tst + branch-> lsls + branch
10179 peephole below *orsi_not_shiftsi_si): Require that condition
10180 register is dead after the peephole.
10181 (second peephole after the above): Likewise.
10183 2016-04-08 Alan Modra <amodra@gmail.com>
10186 * builtins.c (fold_builtin_classify): For IBM extended precision,
10187 look at just the high-order double to test for NaN.
10188 (fold_builtin_interclass_mathfn): Similarly for Inf. For isnormal
10189 test just the high double for Inf but both doubles for subnormal
10192 2016-04-07 Jakub Jelinek <jakub@redhat.com>
10194 * cgraph.h (struct cgraph_simd_clone): Add mask_mode field.
10195 * omp-low.c (simd_clone_init_simd_arrays, simd_clone_adjust): Handle
10196 node->simdclone->mask_mode != VOIDmode masks.
10197 (simd_clone_adjust_argument_types): Likewise. Move sc var definition
10198 earlier, use it instead of node->simdclone.
10199 * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
10200 Set clonei->mask_mode.
10202 2016-04-06 Patrick Palka <ppalka@gcc.gnu.org>
10205 * parser.c (cp_parser_iteration_statement): New parameter IF_P.
10206 Pass it through to cp_parser_already_scoped_statement.
10207 (cp_parser_already_scoped_statement): New parameter IF_P. Pass
10208 it through to cp_parser_statement.
10209 (cp_parser_statement): Pass IF_P through to
10210 cp_parser_iteration_statement.
10211 (cp_parser_pragma): Adjust call to
10212 cp_parser_iteration_statement.
10214 2016-04-06 Patrick Palka <ppalka@gcc.gnu.org>
10217 * gimplify.c (gimplify_omp_ordered): Add explicit braces to
10218 resolve a future -Wparentheses warning.
10219 * omp-low.c (scan_sharing_clauses): Likewise.
10220 * tree-parloops.c (eliminate_local_variables): Likewise.
10222 2016-04-06 Vladimir Makarov <vmakarov@redhat.com>
10224 PR rtl-optimization/70398
10225 * lra-constraints.c (process_address_1): Check zero scale and code
10226 for reloading with zero scale.
10228 2016-04-06 Uros Bizjak <ubizjak@gmail.com>
10230 * config/i386/sse.md (shuffletype): Add V32HI and V4TI modes.
10231 (ssescalarsize): Add V8SF, V4SF, V4DF and V2DF modes.
10233 2016-04-06 Jakub Jelinek <jakub@redhat.com>
10235 * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
10236 Add support for AVX512F clones, include them by default for
10237 exported OpenMP declare simd functions. For AVX2 allow simdlen 32
10238 and use it if charasteric type is 8-bit, for AVX512F allow simdlen
10241 PR middle-end/70550
10242 * tree.h (OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT): Define.
10243 * gimplify.c (gimplify_adjust_omp_clauses_1): Set it for implicit
10244 firstprivate clauses.
10245 * omp-low.c (lower_send_clauses): Set TREE_NO_WARNING for
10246 OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT !by_ref vars in task contexts.
10247 (lower_omp_target): Set TREE_NO_WARNING for
10248 non-addressable possibly uninitialized vars which are copied into
10249 addressable temporaries or copied for GOMP_MAP_FIRSTPRIVATE_INT.
10251 2016-04-05 John David Anglin <danglin@gcc.gnu.org>
10253 * config/pa/predicates.md (integer_store_memory_operand): Accept
10254 REG+D operands with a large offset when reload_in_progress is true.
10255 (floating_point_store_memory_operand): Likewise.
10257 2016-04-05 Jakub Jelinek <jakub@redhat.com>
10260 * match.pd (nested int casts): Limit to GIMPLE.
10262 2016-04-05 Jan Hubicka <hubicka@ucw.cz>
10265 * ipa-devirt.c (maybe_record_node): Fix comment; use
10266 SANITIZE_UNREACHABLE instead of SANITIZE_UNDEFINED.
10268 2016-04-05 Jakub Jelinek <jakub@redhat.com>
10270 PR rtl-optimization/70542
10271 * ree.c (add_removable_extension): For VECTOR_MODE_P punt
10272 if there are any uses other than insn or debug insns.
10274 2016-04-05 Marc Glisse <marc.glisse@inria.fr>
10275 Jakub Jelinek <jakub@redhat.com>
10277 PR tree-optimization/70509
10278 * simplify-rtx.c (simplify_binary_operation_1) <case VEC_SELECT>:
10279 Shift HOST_WIDE_INT_1U instead of 1.
10281 2016-04-05 Zdenek Sojka <zsojka@seznam.cz>
10283 PR tree-optimization/70509
10284 * tree-ssa-forwprop.c (simplify_bitfield_ref): Use bitsize_int instead
10285 of the vector base type for index.
10287 2016-04-05 Uros Bizjak <ubizjak@gmail.com>
10290 * config/i386/sse.md (iptr): Add V64QI, V32HI, V16SI and V8DI modes.
10292 2016-04-05 Richard Biener <rguenther@suse.de>
10294 PR tree-optimization/70526
10295 * tree-sra.c (build_ref_for_offset): Use prev_base to
10296 extract the alias pointer type.
10298 2016-04-05 Richard Biener <rguenther@suse.de>
10300 * dse.c (struct store_info): Remove alias_set member.
10301 (struct read_info_type): Likewise.
10302 (clear_alias_group, clear_alias_mode_table, clear_alias_mode_holder,
10303 spill_deleted, clear_alias_set_lookup): Remove.
10304 (get_group_info): Remove dead base == NULL_RTX case.
10305 (dse_step0): Remove initialization of removed variables.
10306 (delete_dead_store_insn): Reomve alias set dumping.
10307 (free_read_records): Remove alias_set handling.
10308 (canon_address): Remove alias_set_out parameter.
10309 (record_store): Remove spill_alias_set, it's always zero.
10310 (check_mem_read_rtx): Likewise.
10311 (dse_step2): Rename from ...
10312 (dse_step2_nospill): ... this. Adjust.
10313 (scan_stores): Rename from ...
10314 (scan_stores_nospill): ... this.
10315 (scan_reads): Rename from ...
10316 (scan_reads_nospill): ... this.
10317 (scan_stores_spill, scan_reads_spill): Remove.
10318 (dse_step3_scan): Remove for_spills argument which is always false.
10319 (dse_step3): Likewise.
10320 (dse_step5): Rename from ...
10321 (dse_step5_nospill): ... this. Remove alias_set handling.
10322 (rest_of_handle_dse): Adjust.
10324 2016-04-05 Jakub Jelinek <jakub@redhat.com>
10327 * config/i386/sse.md (*andnot<mode>3): Simplify assertions.
10328 Use vpandn<ssemodesuffix> for V16SI/V8DImode, vpandnq for
10329 V32HI/V64QImode, don't use <mask_operand3_1>, fix up formatting.
10330 (*andnot<mode>3_mask): Remove insn with VI12_AVX512VL iterator.
10332 2016-04-05 Richard Biener <rguenther@suse.de>
10334 PR middle-end/70499
10335 * gimplify-me.c (gimple_regimplify_operands): Do not rewrite
10336 non-register type temporaries into SSA.
10338 2016-04-04 Jan Hubicka <hubicka@ucw.cz>
10341 * ipa-devirt.c (maybe_record_node): Do not optimize cxa_pure_virtual
10342 calls when sanitizing.
10343 (possible_polymorphic_call_target_p): Fix formatting.
10345 2016-04-04 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
10346 Jakub Jelinek <jakub@redhat.com>
10348 PR middle-end/70457
10349 * tree-inline.c (estimate_num_insn): Use gimple_call_builtin_p
10350 to ensure a call statement is compatible with a built-in's
10352 * tree-ssa-math-opts.c (pass_optimize_windening_mul::execute):
10355 2016-04-04 Richard Biener <rguenther@suse.de>
10357 PR rtl-optimization/70484
10358 * rtl.h (canon_output_dependence): Declare.
10359 * alias.c (canon_output_dependence): New function.
10360 * dse.c (record_store): Use canon_output_dependence rather
10361 than canon_true_dependence.
10363 2016-03-30 Jan Hubicka <hubicka@ucw.cz>
10366 * cgraph.h (symtab_node::copy_visibility_from): New function.
10367 * symtab.c (symtab_node::copy_visibility_from): New function.
10368 * ipa-visibility.c (optimize_weakref): New function.
10369 (function_and_variable_visibility): Use it.
10371 2016-04-04 Martin Liska <mliska@suse.cz>
10374 * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Guard index
10375 value that is really in range handled by SBR instruction.
10376 * hsa-brig.c (emit_switch_insn): Do not emit unconditional jump.
10377 * hsa-dump.c (dump_hsa_insn_1): Do not dump default BB.
10378 * hsa.h (hsa_insn_sbr::m_default_bb): Remove field.
10380 2016-04-03 Oleg Endo <olegendo@gcc.gnu.org>
10384 * config/sh/sh.md (*addsi3): Allow pattern when reload_in_progress is
10385 set, but not for SP_REG operands.
10387 2016-04-02 Martin Sebor <msebor@redhat.com>
10390 * fold-const.c (maybe_nonzero_address): New function.
10391 (fold_comparison): Call it. Fold equality and relational
10392 expressions involving null pointers.
10393 (tree_single_nonzero_warnv_p): Call maybe_nonzero_address.
10395 2016-03-31 Evandro Menezes <e.menezes@samsung.com>
10397 Fix the predicate "aarch64_simd_reg_or_zero" to correctly validate
10398 the "Y" constraint (scalar FP 0.0 immediate).
10400 * config/aarch64/predicates.md (aarch64_simd_reg_or_zero):
10401 Add the "const_double" to the list of operand constraints.
10403 2016-04-01 Jakub Jelinek <jakub@redhat.com>
10405 PR rtl-optimization/70467
10406 * config/i386/i386.md (*add<dwi>3_doubleword, *sub<dwi>3_doubleword):
10407 If low word of the last operand is 0, just emit addition/subtraction
10410 2016-04-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
10413 * config/s390/s390.c (s390_expand_insv): Check for everything
10414 constant instead of just VOIDmode stuff.
10416 2016-04-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
10419 * config/arm/arm.h (ASM_APP_OFF): Handle TARGET_ARM and TARGET_THUMB.
10421 2016-04-01 Nathan Sidwell <nathan@acm.org>
10423 * tree.def (TRY_CATCH_EXPR): Correct documentation.
10425 2016-03-31 Vladimir Makarov <vmakarov@redhat.com>
10427 PR rtl-optimization/70461
10428 * ira-color.c (allocno_copy_cost_saving): Use allocno class if it
10431 2016-03-31 Martin Liska <mliska@suse.cz>
10434 * hsa-brig.c (hsa_op_immed::emit_to_buffer): Emit either
10435 a tree value or an immediate integer value to a buffer
10436 that is eventually copied to a BRIG section.
10437 (emit_immediate_operand): Call the function here.
10438 * hsa-dump.c (dump_hsa_immed): Remove checking assert.
10439 * hsa-gen.c (hsa_op_immed::hsa_op_immed): Remove initialization
10440 of class' fields that are removed.
10441 (hsa_op_immed::~hsa_op_immed): Remove deinitialization.
10442 * hsa.h (class hsa_op_immed): Remove m_brig_repr and
10443 m_brig_repr_size fields.
10445 2016-03-31 Martin Liska <mliska@suse.cz>
10448 * hsa-gen.c (hsa_function_representation::update_dominance): New
10450 (convert_addr_to_flat_segment): Likewise.
10451 (gen_hsa_memory_set): New alignment argument.
10452 (gen_hsa_ctor_assignment): Likewise.
10453 (gen_hsa_insns_for_single_assignment): Provide alignment
10454 to gen_hsa_ctor_assignment.
10455 (gen_hsa_insns_for_direct_call): Add new argument.
10456 (expand_lhs_of_string_op): New function.
10457 (expand_string_operation_builtin): Likewise.
10458 (expand_memory_copy): New function.
10459 (expand_memory_set): New function.
10460 (gen_hsa_insns_for_call): Use HOST_WIDE_INT.
10461 (convert_switch_statements): Change signature.
10462 (generate_hsa): Use a return value of the function.
10463 (pass_gen_hsail::execute): Do not call
10464 convert_switch_statements here.
10465 * hsa-regalloc.c (hsa_regalloc): Call update_dominance.
10466 * hsa.h (hsa_function_representation::m_modified_cfg): New flag.
10467 (hsa_function_representation::update_dominance): New function.
10469 2016-03-31 Martin Liska <mliska@suse.cz>
10472 * hsa-brig.c (emit_directive_variable): Emit alignment
10473 according to hsa_symbol::m_align.
10474 * hsa-dump.c (hsa_byte_alignment): Move the function to another file.
10475 (dump_hsa_symbol): Dump alignment of HSA symbols.
10476 * hsa-gen.c (get_symbol_for_decl): Set-up alignment of a symbol.
10477 (gen_hsa_addr_with_align): New function.
10478 (hsa_bitmemref_alignment): Use newly added function.
10479 (gen_hsa_insns_for_load): Likewise.
10480 (gen_hsa_insns_for_store): Likewise.
10481 (gen_hsa_memory_copy): New argument added.
10482 (gen_hsa_insns_for_single_assignment): Respect
10483 alignment for assignments processed via gen_hsa_memory_copy.
10484 (gen_hsa_insns_for_direct_call): Likewise.
10485 (gen_hsa_insns_for_return): Likewise.
10486 (gen_function_def_parameters): Set default alignment.
10487 * hsa.c (hsa_object_alignment): New function.
10488 (hsa_byte_alignment): Pasted function.
10489 * hsa.h (hsa_symbol::m_align): New field.
10491 2016-03-31 Bin Cheng <bin.cheng@arm.com>
10493 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Initialize
10494 scratch field for goto case.
10496 2016-03-31 James Greenhalgh <james.greenhalgh@arm.com>
10498 * config/arm/linux-elf.h (ASM_OUTPUT_DEF): Delete.
10500 2016-03-31 Ilya Enkovich <enkovich.gnu@gmail.com>
10503 * config/i386/i386.c (scalar_chain::convert_op): Fix description.
10504 (scalar_chain::convert_insn): Call convert_op for reg
10505 moves to handle undefined registers.
10507 2016-03-31 Nathan Sidwell <nathan@acm.org>
10510 * varasm.c (output_constructor_regular_field): Flush bitfield earlier.
10511 Assert we don't want to move backwards.
10513 2016-03-31 Kirill Yukhin <kirill.yukhin@intel.com>
10516 * config/i386/sse.md (define_mode_attr shuffletype): Fix typo.
10518 2016-03-31 Jakub Jelinek <jakub@redhat.com>
10520 PR rtl-optimization/70460
10521 * ira.c (indirect_jump_optimize): Don't substitute LABEL_REF
10522 with operand from REG_LABEL_OPERAND, instead substitute
10523 SET_SRC or REG_EQUAL note content if it is a LABEL_REF.
10524 Don't do anything for REG_NON_LOCAL_GOTO jumps.
10526 2016-03-31 Martin Liska <mliska@suse.cz>
10528 * passes.c (execute_one_pass): Do not call
10529 todo_after for a discarded function.
10531 2016-03-31 Bin Cheng <bin.cheng@arm.com>
10533 * tree-ssa-loop-ivopts.c (struct comp_cost): New scrach field.
10534 (no_cost, infinite_cost): Initialize the new field.
10535 (get_computation_cost_at): Record setup cost.
10536 (determine_use_iv_cost_address): Skip cost computation for sub
10537 uses if we can estimate it without losing accuracy.
10539 2016-03-30 Jan Hubicka <hubicka@ucw.cz>
10541 * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
10543 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
10544 max_loop_iterations_int.
10545 (tree_unswitch_outer_loop): Likewise.
10546 * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
10547 * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
10549 2016-03-30 Richard Biener <rguenther@suse.de>
10551 PR middle-end/70450
10552 * fold-const.c (extract_muldiv_1): Fix thinko in wide_int::from usage.
10554 2016-03-30 Jakub Jelinek <jakub@redhat.com>
10557 * config/i386/i386.c (ix86_expand_vector_set): Fix up argument order
10558 in gen_blendm expander.
10560 2016-03-30 Nick Clifton <nickc@redhat.com>
10563 * config/arm/arm.c (arm_reload_out_hi): Add code to handle the
10564 case where we are already provided with an SImode SUBREG.
10566 2016-03-30 H.J. Lu <hongjiu.lu@intel.com>
10569 * config/i386/i386.c (ix86_expand_epilogue): Properly check
10570 conflict between DRAP register and __builtin_eh_return.
10572 2016-03-30 Michael Matz <matz@suse.de>
10573 Richard Biener <rguenther@suse.de>
10576 * ipa-polymorphic-call.c (struct type_change_info): Change
10577 speculative to an unsigned allowing to limit the work we do.
10578 (csftc_abort_walking_p): New inline function..
10579 (check_stmt_for_type_change): Limit the number of may-defs
10580 skipped for speculative devirtualization to
10581 max-speculative-devirt-maydefs.
10582 * params.def (max-speculative-devirt-maydefs): New param.
10583 * doc/invoke.texi (--param max-speculative-devirt-maydefs): Document.
10585 2016-03-30 Mike Stump <mrs@gcc.gnu.org>
10588 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Use when profiling
10591 2016-03-30 Patrick Palka <ppalka@gcc.gnu.org>
10593 PR tree-optimization/59124
10594 * tree-vrp.c (register_edge_assert_for_2): For NAME != CST1
10595 where NAME = A +- CST2 add the assertion A != (CST1 -+ CST2).
10597 2016-03-29 Jeff Law <law@redhat.com>
10599 * tree-ssa-coalesce.c (struct ssa_conflicts): Fix typo in comment.
10601 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
10603 * tree-ssa-loop-ivcanon.c (try_peel_loop): Change type of peel
10606 2016-03-29 Thomas Schwinge <thomas@codesourcery.com>
10608 * config/gnu.h (CPP_SPEC, LIB_SPEC): Don't override.
10609 * config/i386/gnu.h (STARTFILE_SPEC): Use gcrt1.o instead of
10610 gcrt0.o if linking dynamically.
10612 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
10615 * ipa-devirt.c (methods_equal_p): New function.
10616 (compare_virtual_tables): Use it.
10617 * cgraph.h (symbol_table::symbol_suffix_separator): Declare.
10618 * cgraphclones.c (clone_function_name_1): Use
10619 symbol_table::symbol_suffix_separator.
10620 * coverage.c (build_var): Likewise.
10621 * symtab.c (symbol_table::symbol_suffix_separator): New.
10623 2016-03-29 Jakub Jelinek <jakub@redhat.com>
10625 PR rtl-optimization/70429
10626 * combine.c (simplify_shift_const_1): For ASHIFTRT don't optimize
10627 (cst1 >> count) >> cst2 into (cst1 >> cst2) >> count if
10628 mode != result_mode.
10631 * tree-inline.c (remap_decls): Don't add_local_decl if cfun is null.
10633 PR tree-optimization/70405
10634 * ssa-iterators.h (num_imm_uses): Add missing braces.
10636 2016-03-29 Vladimir Makarov <vmakarov@redhat.com>
10638 PR rtl-optimization/68695
10639 * ira-color.c (allocno_copy_cost_saving): New.
10640 (improve_allocation): Use it.
10642 2016-03-29 Richard Henderson <rth@redhat.com>
10644 PR middle-end/70355
10645 * lower-subreg.c (simplify_subreg_concatn): Reject paradoxical subregs.
10647 2016-03-29 Richard Biener <rguenther@suse.de>
10649 PR middle-end/70424
10650 * ipa-prop.c (ipa_compute_jump_functions_for_edge): Always
10651 use alignment returned by get_pointer_alignment_1 if it is
10652 bigger than BITS_PER_UNIT.
10653 * builtins.c (get_pointer_alignment_1): Do not return true
10654 for alignment extracted from SSA info.
10656 2016-03-28 James Bowman <james.bowman@ftdichip.com>
10658 * config/ft32/ft32.opt (mnodiv): New.
10659 * config/ft32/ft32.md (*divsi3, *modsi3): Qualify with TARGET_NODIV.
10660 * doc/invoke.texi (FT32 Options -mnodiv): New.
10662 2016-03-28 Kirill Yukhin <kirill.yukhin@intel.com>
10665 * config/i386/i386.md (define_split, andn): Fix modes.
10667 2016-03-26 Richard Biener <rguenther@suse.de>
10668 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
10671 * ipa-inline-transform.c (inline_call): Pass opts_for_fn (to->decl)
10673 TREE_OPTIMIZATION (DECL_FUNCTION_SPECIFIC_OPTIMIZATION (to->decl))
10674 as 2nd argument to cl_optimization_restore().
10676 2016-03-25 Richard Henderson <rth@redhat.com>
10679 * config/aarch64/aarch64.c (aarch64_asm_output_pool_epilogue): New.
10680 * config/aarch64/aarch64-protos.h: Declare it.
10681 * config/aarch64/aarch64.h (ASM_OUTPUT_POOL_EPILOGUE): New.
10683 2016-03-25 Alan Modra <amodra@gmail.com>
10686 * config/rs6000/constraints.md (j): Simplify.
10687 * config/rs6000/predicates.md (easy_fp_constant): Exclude
10689 * config/rs6000/rs6000.md (zero_fp): New mode_attr.
10690 (mov<mode>_hardfloat, mov<mode>_hardfloat32, mov<mode>_hardfloat64,
10691 mov<mode>_64bit_dm, mov<mode>_32bit): Use zero_fp in place of j
10692 in all constraint alternatives.
10693 (movtd_64bit_nodm): Delete "j" constraint alternative.
10695 2016-03-24 Aldy Hernandez <aldyh@redhat.com>
10697 * tree-ssa-propagate.c: Enhance docs for
10698 SSA_PROP_NOT_INTERESTING.
10700 2016-03-24 Aldy Hernandez <aldyh@redhat.com>
10702 * doc/extend.texi: Fix typo in documentation to pure attribute.
10704 2016-03-24 John David Anglin <danglin@gcc.gnu.org>
10707 * config/pa/pa.md (bswapdi2): Use a scratch register.
10709 2016-03-24 Richard Henderson <rth@redhat.com>
10711 PR middle-end/69845
10712 * fold-const.c (extract_muldiv_1): Correct test for multiplication
10715 2016-03-24 Uros Bizjak <ubizjak@gmail.com>
10717 * config/i386/i386.md (*anddi3_doubleword): Generate AND insn
10718 using ix86_expand_binary_operator instead of gen_andsi3.
10720 2016-03-24 Richard Biener <rguenther@suse.de>
10722 PR tree-optimization/70396
10723 * tree-vect-stmts.c (vectorizable_comparison): Use
10724 get_vectype_for_scalar_type.
10726 2016-03-24 Richard Biener <rguenther@suse.de>
10728 PR middle-end/70370
10729 * gimplify.c (gimplify_asm_expr): Handle !allows_mem outputs
10730 with register bases.
10732 2016-03-24 Richard Biener <rguenther@suse.de>
10734 PR tree-optimization/70372
10735 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Use
10736 build_all_ones_cst to also handle vector types correctly.
10738 2016-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
10741 * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Do not set
10744 2016-03-23 Marek Polacek <polacek@redhat.com>
10747 * doc/invoke.texi: Document -Wignored-attributes.
10749 2016-03-23 Bin Cheng <bin.cheng@arm.com>
10751 PR tree-optimization/69042
10752 * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND): Increase the
10753 parameter from 30 to 40.
10755 2016-03-23 Bin Cheng <bin.cheng@arm.com>
10757 PR tree-optimization/69042
10758 * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Add IV cand
10759 for use with constant offset stripped in base.
10761 2016-03-23 Richard Biener <rguenther@suse.de>
10763 PR middle-end/70251
10764 * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Adjust
10765 mode compatibility check.
10766 (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
10768 2016-03-23 Jeff Law <law@redhat.com>
10770 PR tree-optimization/64058
10771 * tree-ssa-coalesce.c (struct coalesce_pair): Add new field
10773 (struct ssa_conflicts): Move up earlier in the file.
10774 (conflicts_, var_map_): New static variables.
10775 (initialize_conflict_count): New function to initialize the
10776 CONFLICT_COUNT field for each conflict pair.
10777 (compare_pairs): Lazily initialize the conflict count and use it
10778 as the first tie-breaker.
10779 (sort_coalesce_list): Add new arguments conflicts, map. Initialize
10780 and wipe conflicts_ and map_ around the call to qsort. Remove
10781 special case for 2 coalesce pairs.
10782 * bitmap.c (bitmap_count_unique_bits): New function.
10783 (bitmap_count_bits_in_word): New function, extracted from
10785 (bitmap_count_bits): Use bitmap_count_bits_in_word.
10786 * bitmap.h (bitmap_count_unique_bits): Declare it.
10788 2016-03-23 Ilya Enkovich <enkovich.gnu@gmail.com>
10791 * config/i386/sol2.h (ASM_OUTPUT_DEF_FROM_DECLS): Follow
10792 transparent alias chain for decl assembler name.
10793 * config/sol2.c (solaris_assemble_visibility): Likewise.
10795 2016-03-23 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
10797 * config/arm/arm1020e.md (1020call_op): Reduce reservation
10799 (v10_fdivs): Likewise.
10800 (v10_fdivd): Likewise.
10802 2016-03-23 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
10805 * config/arm/driver-arm.c (host_detect_local_cpu): Reorder exit logic
10806 to not call fclose twice on file.
10808 2016-03-23 Jakub Jelinek <jakub@redhat.com>
10810 PR tree-optimization/70354
10811 * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
10812 oprnd0 is wider than oprnd1 and there is a cast from the wider
10813 type to oprnd1, mask it with the mask of the narrower type.
10816 * config/i386/i386.md (*anddi3_doubleword, *<code>di3_doubleword):
10817 Optimize TARGET_STV splitters, if high or low word of last argument
10820 2016-03-22 Jeff Law <law@redhat.com>
10823 tree-ssa-threadbackward.c
10824 (fsm_find_control_statement_thread_paths): Correctly distinguish
10825 between old style jump threads vs FSM jump threads.
10827 2016-03-22 Ilya Enkovich <enkovich.gnu@gmail.com>
10830 * config/i386/i386.c (scalar_chain::convert_op): Support
10831 uninitialized register usage case.
10833 2016-03-22 Richard Biener <rguenther@suse.de>
10835 PR middle-end/70251
10836 * genmatch.c (gen_transform): Adjust last parameter to a three-state
10838 (capture::gen_transform): ... to change behavior when substituting
10839 a condition into cond or not-cond expr context.
10840 (dt_simplify::gen_1): Adjust.
10841 * gimple-match-head.c: Include gimplify.h for unshare_expr.
10842 * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Revert
10843 last change and instead change to
10844 A + (B vcmp C ? 1 : 0) -> A - (B vcmp C ? -1 : 0).
10845 (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
10847 2016-03-22 Anthony Green <green@moxielogic.com>
10849 * config/moxie/moxiebox.h (CC1_SPEC): Define. Fix endianness
10850 issue for moxiebox targets.
10851 (CC1PLUS_SPEC): Ditto.
10853 2016-03-22 Richard Biener <rguenther@suse.de>
10855 PR middle-end/70333
10856 * fold-const.c (extract_muldiv_1): Properly perform multiplication
10859 2016-03-22 Kirill Yukhin <kirill.yukhin@intel.com>
10861 * config/i386/i386.c (def_builtin): Remove duplicated functionality.
10863 2016-03-22 Kirill Yukhin <kirill.yukhin@intel.com>
10866 * config/i386/i386.c (def_builtin): Handle
10867 OPTION_MASK_ISA_AVX512VL to be and-ed with other
10869 (const struct builtin_description bdesc_special_args[]):
10870 Remove duplicate ISA bits.
10872 2016-03-22 Jakub Jelinek <jakub@redhat.com>
10875 * config/i386/i386.c (ix86_expand_vecop_qihi): Don't bother computing
10876 d.perm[i] for i >= d.nelt. If not full_interleave, compute d.perm[i]
10877 in a way that works also for AVX512BW.
10880 * config/i386/i386.md (cvtsd2ss splitter): Unpack in destination
10881 instead of source if operands[1] is xmm16 and above and
10882 !TARGET_AVX512VL. Use avx512f_vec_dupv16sf_1 instead of
10883 vec_interleave_lowv4sf if we need to unpack xmm16 and above.
10886 * gimplify.c (gimplify_modify_expr): Call gimple_set_no_warning
10887 on assign if (*from_p) is a comparison, set it to
10888 TREE_NO_WARNING (*from_p).
10890 2016-03-21 Jakub Jelinek <jakub@redhat.com>
10892 PR middle-end/70326
10893 * lra.c (restore_scratches): Ignore deleted insns.
10895 2016-03-21 Marc Glisse <marc.glisse@inria.fr>
10896 Jakub Jelinek <jakub@redhat.com>
10898 PR tree-optimization/70317
10899 * match.pd (cmp @0 @0): Pass @0 instead of TYPE_MODE (TREE_TYPE (@0))
10902 2016-03-21 Uros Bizjak <ubizjak@gmail.com>
10905 * config/i386/i386.md (movxi): Use ix86_expand_vector_move instead
10906 of ix86_expand_move.
10908 (movti): Use general_operand for operand 1 predicate.
10910 2016-03-21 Martin Liska <mliska@suse.cz>
10912 * hsa-dump.c (dump_hsa_insn_1): dump default branch of SBR
10914 (dump_hsa_symbol): Dump BRIG offset of hsa_symbols.
10916 2016-03-21 Martin Liska <mliska@suse.cz>
10919 * ipa-icf.c (sem_function::parse): Skip static
10920 constructors and destructors.
10922 2016-03-21 Jakub Jelinek <jakub@redhat.com>
10925 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If IDENT is
10926 function-like macro, peek following token(s) if it is followed
10927 by CPP_OPEN_PAREN token with optional padding in between, and
10928 if not, don't treat it like a macro.
10930 2016-03-21 Thomas Schwinge <thomas@codesourcery.com>
10931 Alexander Monakov <amonakov@ispras.ru>
10933 * config/nvptx/nvptx.c (nvptx_option_override): Don't emit sorry
10934 for the stabs debug format.
10936 2016-03-21 Richard Biener <rguenther@suse.de>
10938 PR tree-optimization/70310
10939 * tree-vect-generic.c (expand_vector_condition): Fold the built
10942 2016-03-21 Kirill Yukhin <kirill.yukhin@intel.com>
10945 * config/i386/sse.md: (define_insn "*vec_dup<mode>"/AVX2):
10946 Block third alternative for AVX-512VL target,
10948 2016-03-21 Martin Liska <mliska@suse.cz>
10951 * hsa-brig.c (emit_function_directives): Mark unemitted
10952 global variables for emission.
10953 * hsa-gen.c (hsa_symbol::hsa_symbol): Initialize a new flag.
10954 (get_symbol_for_decl): Likewise.
10955 * hsa.h (struct hsa_symbol): New flag.
10957 2016-03-21 Richard Biener <rguenther@suse.de>
10959 PR tree-optimization/70288
10960 * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Make sure
10961 we do not estimate unsimplified all-constant conditionals or
10962 switches as optimized away.
10964 2016-03-21 Andrey Belevantsev <abel@ispras.ru>
10966 PR rtl-optimization/69102
10967 * sched-deps.c (sched_analyze_insn): Do not set last_args_size field
10968 when we have a readonly dependency context.
10970 2016-03-18 Jeff Law <law@redhat.com>
10972 PR rtl-optimization/70263
10973 * ira.c (memref_used_between_p): Assert we found END in the insn chain.
10974 (update_equiv_regs): When trying to move a store to after the insn
10975 that sets the source of the store, make sure the store occurs after
10976 the insn that sets the source of the store. When successful note
10977 the REG_EQUIV note created in the dump file.
10979 2016-03-16 David Wohlferd <dw@LimeGreenSocks.com>
10980 Bernd Schmidt <bschmidt@redhat.com>
10982 * doc/extend.texi: Document more potential problems with basic asms.
10984 2016-03-18 Bernd Schmidt <bschmidt@redhat.com>
10986 PR rtl-optimization/70278
10987 * lra-constraints.c (split_reg): Handle the case where biggest_mode is
10990 2016-03-18 Jason Merrill <jason@redhat.com>
10992 * calls.c (load_register_parameters): Fix zero size sibcall logic.
10994 2016-03-18 Kirill Yukhin <kirill.yukhin@intel.com>
10996 * config/i386/sse.md: Use vpbroadcastq for broadcasting DF
10997 values to 128b regs.
10999 2016-03-18 Ilya Enkovich <enkovich.gnu@gmail.com>
11001 PR tree-optimization/70252
11002 * tree-vect-stmts.c (supportable_widening_operation): Check resulting
11003 boolean vector has a proper number of elements.
11004 (supportable_narrowing_operation): Likewise.
11006 2016-03-18 Tom de Vries <tom@codesourcery.com>
11009 * cgraph.c (cgraph_node::get_body): Set dump_file to NULL after save.
11011 2016-03-18 Jakub Jelinek <jakub@redhat.com>
11013 * reload1.c (emit_input_reload_insns): Use simplify_replace_rtx
11014 instead of replace_rtx for DEBUG_INSNs.
11016 2016-03-18 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
11018 * config/i386/znver1.md : Fix latencies of FP/SSE/AVX
11019 load type reservations.
11021 2016-03-17 John David Anglin <danglin@gcc.gnu.org>
11024 * config/pa/constraints.md: Revert 2015-02-13 change. Use
11025 define_constraint for "Q" and "T" constraints.
11027 2016-03-17 Evandro Menezes <e.menezes@samsung.com>
11029 Tweak the pipeline model for Exynos M1
11031 * config/aarch64/aarch64.c (exynosm1_tunings): Enable weak prefetching
11034 2016-03-17 David Malcolm <dmalcolm@redhat.com>
11037 * diagnostic-show-locus.c (compatible_locations_p): Handle the case
11038 where one or both locations aren't within a line_map.
11040 2016-03-17 H.J. Lu <hongjiu.lu@intel.com>
11043 * opts.c (finish_options): Don't set flag_pie to the default if
11044 -fpic, -fPIC, -fno-pic or -fno-PIC is used. Set flag_pic to 0
11047 2016-03-17 Joern Rennecke <joern.rennecke@embecosm.com>
11049 * config/i386/i386.md (*movv4qicc_insn+1..36): Pass
11050 true as ALL_REGS argument to replace_rtx.
11052 2016-03-17 Richard Biener <rguenther@suse.de>
11055 * dwarf2out.c (dwarf2out_early_finish): Process deferred_asm_name
11058 2016-03-17 Jakub Jelinek <jakub@redhat.com>
11061 * rtl.h (replace_rtx): Add ALL_REGS argument.
11062 * rtlanal.c (replace_rtx): Likewise. If true, use REGNO
11063 equality and assert mode is the same, instead of just rtx pointer
11065 * config/i386/i386.md (mov + arithmetics with load peephole): Pass
11066 true as ALL_REGS argument to replace_rtx.
11068 2016-03-17 Ilya Enkovich <enkovich.gnu@gmail.com>
11070 * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Apply
11071 for boolean vector with vector mode only.
11072 (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
11074 2016-03-17 Nick Clifton <nickc@redhat.com>
11077 * config/rx/rx.c (rx_print_integer): Print negative constants in
11080 2016-03-17 Jakub Jelinek <jakub@redhat.com>
11083 * rtlanal.c (replace_rtx): Revert 2016-03-16 change.
11085 2016-03-16 Richard Henderson <rth@redhat.com>
11086 Richard Biener <rguenth@suse.de>
11088 PR middle-end/70240
11089 PR middle-end/68215
11091 * gimplify.c (gimplify_expr) [VEC_COND_EXPR]: Gimplify the
11092 first operand as is_gimple_condexpr.
11094 PR middle-end/70240
11095 PR middle-end/68215
11097 2015-12-11 Eric Botcazou <ebotcazou@adacore.com>
11098 * tree-vect-generic.c (tree_vec_extract): Remove GSI parameter.
11099 Do not gimplify the result.
11100 (do_unop): Adjust call to tree_vec_extract.
11101 (do_binop): Likewise.
11102 (do_compare): Likewise.
11103 (do_plus_minus): Likewise.
11104 (do_negate): Likewise.
11105 (expand_vector_condition): Likewise.
11106 (do_cond): Likewise.
11108 2016-03-16 Richard Henderson <rth@redhat.com>
11111 * config/aarch64/aarch64.c (virt_or_elim_regno_p): New.
11112 (aarch64_classify_address): Use it.
11113 (aarch64_legitimize_address): Force all subexpressions of PLUS
11114 into registers. Simplify as (sfp+const)+reg or (reg+reg)+const.
11116 2016-03-16 Jakub Jelinek <jakub@redhat.com>
11117 Richard Biener <rguenth@suse.de>
11120 * rtlanal.c (replace_rtx): For REG, if from is a REG,
11121 return to even if only REGNO is equal, and assert
11124 2016-03-11 Jeff Law <law@redhat.com>
11126 PR rtl-optimization/70224
11127 * reorg.c (relax_delay_slots): Pass right argument to CROSSING_JUMP_P.
11129 2016-03-16 Richard Henderson <rth@redhat.com>
11131 PR middle-end/70199
11132 * function.h (struct function): Add has_forced_label_in_static.
11133 * gimplify.c (force_labels_r): Set it.
11134 * lto-streamer-in.c (input_struct_function_base): Read it.
11135 * lto-streamer-out.c (output_struct_function_base): Write it.
11136 * tree-inline.c (has_label_address_in_static_1): Remove.
11137 (copy_forbidden): Remove fndecl parameter; test
11138 has_forced_label_in_static.
11139 (inline_forbidden_p): Update call to copy_forbidden.
11140 (tree_versionable_function_p): Likewise.
11141 * ipa-chkp.c (chkp_instrumentable_p): Likewise.
11142 (chkp_versioning): Likewise.
11143 * tree-inline.h (copy_forbidden): Update decl.
11145 2016-03-16 Marek Polacek <polacek@redhat.com>
11148 * cgraphunit.c (cgraph_node::expand_thunk): Also build call to the
11149 function being thunked if the result type doesn't have fixed size.
11150 * gimplify.c (gimplify_modify_expr): Also set LHS if the result type
11151 doesn't have fixed size.
11153 2016-03-16 Bin Cheng <bin.cheng@arm.com>
11155 * tree-vect-loop.c (vect_analyze_loop_2): Fix wrong dump info by
11156 reporting malformed loop nest.
11158 2016-03-16 Tom de Vries <tom@codesourcery.com>
11161 * ipa-devirt.c (possible_polymorphic_call_targets): Move
11162 nodes.length () == 1 test to before first nodes[0] access.
11164 2016-03-16 Tom de Vries <tom@codesourcery.com>
11166 PR tree-optimization/68715
11167 * graphite-scop-detection.c (scop_detection::merge_sese): Add missing
11168 single_pred_p test.
11170 2016-03-16 Tom de Vries <tom@codesourcery.com>
11172 PR tree-optimization/68809
11173 * graphite-scop-detection.c (same_close_phi_node): Test if result types
11176 2016-03-16 Carlos O'Donell <carlos@redhat.com>
11177 Sandra Loosemore <sandra@codesourcery.com>
11179 * doc/extend.texi (Common Function Attributes): Describe ifunc impact
11180 on leaf attribute. Mention ELF interposition problems.
11182 2016-03-16 Alan Modra <amodra@gmail.com>
11184 PR rtl-optimization/69195
11185 PR rtl-optimization/47992
11186 * ira.c (indirect_jump_optimize): Ignore artificial defs.
11189 2016-03-15 Eric Botcazou <ebotcazou@adacore.com>
11192 * dwarf2out.c (flush_limbo_die_list): Really flush the limbo list.
11194 2016-03-15 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
11196 * config/avr/avr.md (rotl<mode>3): Set mode for operand 2.
11198 2016-03-15 Jakub Jelinek <jakub@redhat.com>
11200 PR rtl-optimization/70222
11201 * combine.c (simplify_shift_const_1): For A >> B >> C LSHIFTRT
11202 optimization if mode is different from result_mode, queue up masking
11203 of the result in outer_op. Formatting fix.
11205 PR middle-end/70239
11206 * tree-ssa-sccvn.c (VN_INFO_GET): Use safe_grow_cleared instead
11209 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
11211 PR rtl-optimization/69032
11212 * sel-sched-ir.c (get_seqno_by_preds): Include both insn and head when
11213 looping backwards over basic block insns.
11215 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
11218 * sel-sched-ir.c (merge_expr): Avoid changing the speculative pattern
11219 to non-speculative when propagating trap bits.
11221 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
11223 PR rtl-optimization/63384
11224 * sel-sched.c (invoke_aftermath_hooks): Do not decrease issue_more on
11225 DEBUG_INSN_P insns.
11227 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
11230 * sched-deps.c (get_implicit_reg_pending_clobbers): New function,
11231 factored out from ...
11232 (sched_analyze_insn): ... here.
11233 * sched-int.h (get_implicit_reg_pending_clobbers): Declare it.
11234 * sel-sched-ir.c (setup_id_implicit_regs): New function, use
11235 get_implicit_reg_pending_clobbers in it.
11236 (setup_id_reg_sets): Use setup_id_implicit_regs.
11237 (deps_init_id): Ditto.
11239 2016-03-15 Tom de Vries <tom@codesourcery.com>
11242 * cgraph.c (cgraph_node::get_body): Save, reset and restore
11244 * passes.c (execute_one_ipa_transform_pass): Add missing argument to
11245 execute_function_dump.
11246 (execute_one_pass): Don't dump function if it will be dumped after ipa
11249 2016-03-15 Segher Boessenkool <segher@kernel.crashing.org>
11251 * genrecog.c (match_pattern_2): If pred is NULL don't call
11252 safe_predicate_mode on it.
11254 2016-03-14 Jakub Jelinek <jakub@redhat.com>
11256 PR middle-end/70219
11257 * lra-constraints.c (delete_move_and_clobber): Change assertion
11258 to also allow dregno == 0.
11260 2016-03-14 Richard Henderson <rth@redhat.com>
11263 * tree-ssa-reassoc.c (ovce_extract_ops, optimize_vec_cond_expr): New.
11264 (can_reassociate_p): Allow ANY_INTEGRAL_TYPE_P.
11265 (reassociate_bb): Use optimize_vec_cond_expr; avoid
11266 optimize_range_tests, attempt_builtin_copysign and attempt_builtin_powi
11269 2016-03-14 Bernd Schmidt <bschmidt@redhat.com>
11272 * lra-lives.c (process_bb_lives): Also update biggest mode for hard
11274 (lra_create_live_ranges_1): initialize hard register biggest_mode to
11276 * lra-constraints.c (split_reg): For hard regs, try to find the
11277 biggest single-register mode used in the function.
11279 2016-03-14 Richard Biener <rguenther@suse.de>
11281 PR tree-optimization/56365
11282 * tree-ssa-phiopt.c (minmax_replacement): Handle alternate
11283 constants to compare against.
11285 2016-03-14 Segher Boessenkool <segher@kernel.crashing.org>
11288 * config/rs6000/rs6000.md (*ctr<mode>_internal1, *ctr<mode>_internal2,
11289 *ctr<mode>_internal5, *ctr<mode>_internal6): Also allow "d" as output.
11290 (define_split for the GPR case): Use int_reg_operand instead of
11291 gpc_reg_operand for the output.
11293 2016-03-14 Tom de Vries <tom@codesourcery.com>
11295 PR tree-optimization/70045
11296 * graphite-isl-ast-to-gimple.c (graphite_create_new_loop_guard): Unshare
11297 create_empty_if_region_on_edge argument.
11299 2016-03-13 Eric Botcazou <ebotcazou@adacore.com>
11301 * config/arm/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Define.
11302 (STACK_CHECK_PROTECT): Likewise.
11303 * config/i386/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
11304 (STACK_CHECK_PROTECT): Likewise.
11305 * config/rs6000/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
11306 (STACK_CHECK_PROTECT): Likewise.
11307 * config/rs6000/vxworksae.h (STACK_CHECK_PROTECT): Likewise.
11308 * config/sparc/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
11309 (STACK_CHECK_PROTECT): Likewise.
11311 2016-03-12 Andrey Belevantsev <abel@ispras.ru>
11313 PR rtl-optimization/69307
11314 * sel-sched.c (choose_best_pseudo_reg): Properly check for hard
11315 registers in modes that span more than one register.
11317 2016-03-12 Vladimir Makarov <vmakarov@redhat.com>
11320 * lra-constraints.c (delete_move_and_clobber): New.
11321 (remove_inheritance_pseudos): Use it.
11323 2016-03-12 Eric Botcazou <ebotcazou@adacore.com>
11326 * calls.c (emit_library_call_value_1): Clear the ECF_NOTHROW flag if
11327 the libcall is LCT_THROW.
11328 * explow.c (probe_stack_range): Pass LCT_THROW to emit_library_call
11329 for the checking routine.
11331 2016-03-11 Michael Meissner <meissner@linux.vnet.ibm.com>
11334 * config/rs6000/rs6000.md (round32<mode>2_fprs): Do not do the
11335 optimization if we have direct move.
11336 (roundu32<mode>2_fprs): Likewise.
11338 2016-03-11 Bernd Schmidt <bschmidt@redhat.com>
11341 * lra-remat.c (operand_to_remat): Disallow hard regs in the value t
11343 (reg_overlap_for_remat_p): Renamed from input_regno_present_p.
11344 Arguments swapped. All callers changed. Take reg_renumber into
11345 account, and Calculate and compare register ranges for hard regs.
11347 2016-03-11 Jeff Law <law@redhat.com>
11349 PR tree-optimization/70190
11350 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
11351 Handle cases where we can not extract the taken edge, even though we
11352 found a constant value.
11354 PR tree-optimization/64058
11355 * tree-ssa-coalesce.c (struct coalesce_pair): Add new field INDEX.
11356 (num_coalesce_pairs): Move up earlier in file.
11357 (find_coalesce_pair): Initialize the INDEX field for each pair
11359 (compare_pairs): No longer sort on the elements in each pair.
11360 Instead break ties with the index of the coalesce pair.
11362 2016-03-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
11365 * config/aarch64/aarch64-protos.h
11366 (aarch64_save_restore_target_globals): New prototype.
11367 * config/aarch64/aarch64-c.c (aarch64_pragma_target_parse):
11368 Call the above when popping pragma.
11369 * config/aarch64/aarch64.c (aarch64_save_restore_target_globals):
11371 (aarch64_set_current_function): Rewrite using the above.
11373 2016-03-11 Jakub Jelinek <jakub@redhat.com>
11375 PR tree-optimization/70177
11376 * gimple-expr.h (extract_ops_from_tree_1): Renamed to ...
11377 (extract_ops_from_tree): ... this. In the 2 argument
11378 overload remove _1 suffix.
11379 * gimple-expr.c (extract_ops_from_tree_1): Renamed to ...
11380 (extract_ops_from_tree): ... this.
11381 * gimple.c (gimple_build_assign, gimple_assign_set_rhs_from_tree):
11383 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
11384 * tree-ssa-forwprop.c (defcodefor_name): Call 3 operand
11385 extract_ops_from_tree instead of 2 operand one.
11387 2016-03-11 Alan Lawrence <alan.lawrence@arm.com>
11389 PR tree-optimization/70013
11390 * tree-sra.c (analyze_access_subtree): Also set grp_unscalarized_data
11391 for constant-pool entries.
11393 2016-03-11 Jakub Jelinek <jakub@redhat.com>
11395 PR rtl-optimization/70174
11396 * expmed.c (store_bit_field_using_insv): Use gen_lowpart_if_possible
11397 followed by gen_lowpart on force_reg instead of just gen_lowpart.
11399 PR tree-optimization/70169
11400 * tree-ssa-loop.c (gen_lsm_tmp_name): Handle FUNCTION_DECL and
11401 LABEL_DECL like VAR_DECL. Emit nothing instead of gcc_unreachable
11404 2016-03-11 Ilya Enkovich <enkovich.gnu@gmail.com>
11405 Jakub Jelinek <jakub@redhat.com>
11408 * config/i386/i386.c (scalar_chain::convert_reg): Skip uses
11409 of uninitialized values.
11411 2016-03-11 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
11413 * config/s390/s390.md ("trunctddd2"): Turn former define_insn into
11415 ("*trunctddd2"): New pattern definition.
11416 ("trunctdsd2"): Set prep_for_short_prec rounding mode for the
11419 2016-03-11 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
11421 * config/s390/s390.md (BFP_RND_*, DFP_RND_*): Add new constant
11422 definitions for BFP and DFP rounding modes.
11423 ("fixuns_truncdddi2", "fixuns_trunctddi2")
11424 ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2")
11425 ("fix_trunc<DSF:mode><GPR:mode>2", "fix_trunc<mode>di2")
11426 ("fix_trunctf<mode>2"): Use the new constants instead of magic
11429 2016-03-11 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
11431 * config/s390/constraints.md: Adjust comment.
11432 ("Y"): Adjust comment. Rename s390_decompose_shift_count to
11433 s390_decompose_addrstyle_without_index.
11434 * config/s390/predicates.md (shift_count_or_setmem_operand):
11435 Rename to setmem_operand.
11436 * config/s390/s390-protos.h
11437 (s390_decompose_shift_count): Rename to
11438 s390_decompose_addrstyle_without_index.
11439 * config/s390/s390.c (s390_decompose_shift_count)
11440 (s390_mem_constraint, print_shift_count_operand)
11441 (print_operand_address, print_operand): Rename
11442 s390_decompose_shift_count to
11443 s390_decompose_addrstyle_without_index and rename
11444 print_shift_count_operand to print_addrstyle_operand troughout the
11446 * config/s390/s390.md ("setmem_long_<P:mode>", "*setmem_long")
11447 ("*setmem_long_and", "*setmem_long_31z", "*setmem_long_and_31z"):
11448 Rename shift_count_or_setmem_operand to setmem_operand.
11449 * config/s390/vx-builtins.md ("vec_insert<mode>")
11450 ("vec_promote<mode>"): Replace shift_count_or_setmem_operand with
11453 2016-03-10 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
11456 * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
11457 Handle overlapping retval and newval.
11459 2016-03-10 Nick Clifton <nickc@redhat.com>
11462 * config/aarch64/aarch64.c
11463 (aarch64_override_options_after_change_1): When forcing
11464 flag_omit_frame_pointer to be true, use a special value that can
11465 be detected if this function is called again, thus preventing
11466 flag_omit_leaf_frame_pointer from being forced to be false.
11468 2016-03-10 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
11470 * common/config/aarch64/aarch64-common.c (aarch64_handle_option):
11471 Set x_flag_omit_leaf_frame_pointer when handling
11472 -momit-leaf-frame-pointer.
11474 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
11477 * cgraph.c (cgraph_node::dump): Dump split_part and
11478 indirect_call_target.
11479 * cgraph.h (cgraph_node): Add indirect_call_target flag.
11480 * ipa.c (has_addr_references_p): Cleanup.
11481 (is_indirect_call_target_p): New.
11482 (walk_polymorphic_call_targets): Do not mark virtuals that may be
11483 called indirectly as local.
11484 (symbol_table::remove_unreachable_nodes): Compute indirect_call_target.
11486 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
11489 * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
11490 on cxa_pure_virtual.
11492 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
11495 * tree.c (free_lang_data_in_decl): Clear visibility of TYPE_DECL.
11497 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
11500 * tree.c (need_assembler_name_p): Only record main variant type names.
11502 2016-03-10 Christophe Lyon <christophe.lyon@linaro.org>
11505 * config/aarch64/aarch64.h (TARGET_FIX_ERR_A53_843419_DEFAULT):
11506 Always define to 0 or 1.
11507 (TARGET_FIX_ERR_A53_843419): New macro.
11508 * config/aarch64/aarch64-elf-raw.h
11509 (TARGET_FIX_ERR_A53_843419_DEFAULT): Update for above changes.
11510 * config/aarch64/aarch64-linux.h: Likewise.
11511 * config/aarch64/aarch64.c
11512 (aarch64_override_options_after_change_1): Do not default
11513 aarch64_nopcrelative_literal_loads to true if Cortex-A53 erratum
11515 (aarch64_attributes): Handle fix-cortex-a53-843419.
11516 (aarch64_can_inline_p): Likewise.
11517 * config/aarch64/aarch64.opt (aarch64_fix_a53_err843419): Save.
11519 2016-03-10 Alan Lawrence <alan.lawrence@arm.com>
11520 Jakub Jelinek <jakub@redhat.com>
11522 * common.opt (funconstrained-commons, flag_unconstrained_commons): New.
11523 * tree.c (array_at_struct_end_p): Do not limit to size of decl for
11524 DECL_COMMONS if flag_unconstrained_commons is set.
11525 * tree-dfa.c (get_ref_base_and_extent): Likewise.
11526 * doc/invoke.texi (Optimize Options): Add -funconstrained-commons.
11527 (funconstrained-commons): Document.
11529 2016-03-10 Christophe Lyon <christophe.lyon@linaro.org>
11531 * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add
11532 aarch64-fusion-pairs.def and aarch64-tuning-flags.def
11534 2016-03-10 Ilya Enkovich <enkovich.gnu@gmail.com>
11536 * tree-vect-stmts.c (vectorizable_mask_load_store): Check mask
11537 has a proper number of elements.
11539 2016-03-10 Alan Modra <amodra@gmail.com>
11541 PR rtl-optimization/69195
11542 PR rtl-optimization/47992
11543 * ira.c (recorded_label_ref): Delete.
11544 (update_equiv_regs): Return void.
11545 (indirect_jump_optimize): New function.
11546 (ira): Call indirect_jump_optimize and delete_trivially_dead_insns
11547 before regstat_compute_ri. Don't rebuild_jump_labels here.
11548 Delete update_regstat.
11550 2016-03-10 Richard Biener <rguenther@suse.de>
11552 PR tree-optimization/70128
11553 * tree-ssa-structalias.c (set_uids_in_ptset): Set
11554 vars_contains_nonlocal for any FUNCTION_DECL or LABEL_DECL.
11556 2016-03-09 Jakub Jelinek <jakub@redhat.com>
11558 PR tree-optimization/70152
11559 * tree-sra.c (replace_removed_params_ssa_names): Copy over
11560 SSA_NAME_OCCURS_IN_ABNORMAL_PHI from old_name to new_name.
11563 * config/i386/i386.md (truncdfsf2 splitter): Use gen_vec_concatv2df
11564 instead of gen_sse2_loadlpd.
11565 * config/i386/sse.md (*vec_concatv2df): Rename to...
11566 (vec_concatv2df): ... this.
11568 PR tree-optimization/70127
11569 * fold-const.c (operand_equal_p): Revert the 2015-10-28 change.
11571 2016-03-09 David Malcolm <dmalcolm@redhat.com>
11575 * diagnostic-show-locus.c (compatible_locations_p): New function.
11576 (layout::layout): Sanitize ranges using compatible_locations_p.
11578 2016-03-09 David Malcolm <dmalcolm@redhat.com>
11582 * diagnostic-show-locus.c (layout_range::layout_range): Replace
11583 location_range param with three const expanded_locations * and a
11585 (layout::layout): Replace call to
11586 rich_location::lazily_expand_location with get_expanded_location.
11587 Extract the range and perform location expansion here, passing
11588 the results to the layout_range ctor.
11589 * diagnostic.c (source_range::debug): Delete.
11590 * diagnostic.h (diagnostic_expand_location): Reimplement in terms
11591 of rich_location::get_expanded_location.
11592 * gcc-rich-location.c (get_range_for_expr): Delete.
11593 (gcc_rich_location::add_expr): Reimplement to avoid the
11594 rich_location::add_range overload that took a location_range,
11595 passing a location_t instead.
11597 2016-03-09 Richard Biener <rguenther@suse.de>
11598 Jakub Jelinek <jakub@redhat.com>
11600 PR tree-optimization/70138
11601 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
11602 Also skip vect_double_reduction_def.
11604 2016-03-09 Jakub Jelinek <jakub@redhat.com>
11607 * config/i386/sse.md (*vec_extract<mode>): Use %0 instead of %k0
11608 if the operand is "m".
11610 2016-03-09 Nathan Sidwell <nathan@acm.org>
11612 * config/nvptx/nvptx.c (nvptx_option_override): Don't kill debug level.
11614 2016-03-09 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
11616 * config/i386/i386.c (processor_target_table): Fix cost table
11617 intialization order for znver1.
11619 2016-03-08 Jakub Jelinek <jakub@redhat.com>
11621 * ipa-polymorphic-call.c (walk_ssa_copies): Fix spelling
11622 - becuase -> because.
11623 * ipa-reference.c (ignore_module_statics): Likewise.
11624 * cgraph.c (cgraph_node::get_body): Likewise.
11625 * ipa-inline.c (early_inliner): Likewise.
11626 * ipa-devirt.c (types_same_for_odr): Likewise.
11627 * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
11628 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Likewise.
11630 2016-03-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
11632 * tree-ssa-math-opts.c: Fix typo in comment.
11634 2016-03-08 Jakub Jelinek <jakub@redhat.com>
11637 * config/i386/i386.c (scalar_chain::make_vector_copies,
11638 scalar_chain::convert_reg): Call end_sequence in between
11639 get_insns and emit_conversion_insns rather than after both
11642 2016-03-07 Uros Bizjak <ubizjak@gmail.com>
11645 * config/i386/i386.h (machine_function): Add
11646 pc_thunk_call_expanded flag.
11647 (ix86_pc_thunk_call_expanded): New define.
11648 * config/i386/i386.md (set_got, set_got_labelled): New expanders.
11649 (*set_got): Rename insn pattern from set_got.
11650 (*set_got_labelled): Rename inst pattern from set_got_labelled.
11651 * config/i386/i386.c (ix86_compute_frame_layout): Use
11652 ix86_pc_thunk_call_expanded to prevent red-zone.
11654 2016-03-07 Martin Jambor <mjambor@suse.cz>
11656 * hsa.h (hsa_get_ctor_statements): Declare.
11657 (hsa_get_dtor_statements): Likewise.
11658 (hsa_get_kernel_dispatch_type): Likewise.
11659 * hsa.c (hsa_get_ctor_statements): New function.
11660 (hsa_get_dtor_statements): Likewise.
11661 (hsa_get_kernel_dispatch_type): Likewise.
11662 * hsa-brig.c (hsa_cdtor_statements): Removed.
11663 (hsa_output_libgomp_mapping): Use hsa_get_ctor_statements and
11664 hsa_get_dtor_statements.
11665 * hsa-gen.c (hsa_kernel_dispatch_type): Removed.
11666 (get_hsa_kernel_dispatch_offset): Use hsa_get_kernel_dispatch_type.
11668 2016-03-07 Andre Vieira <andre.simoesdiasvieira@arm.com>
11670 * config/arm/arm-cores.def (cortex-r8): New.
11671 * config/arm/arm-tables.opt (cortex-r8): Regenerate.
11672 * config/arm/arm-tune.md: Likewise.
11673 * doc/invoke.texi: Add cortex-r8 to list of cpu values.
11675 2016-03-07 Martin Sebor <msebor@redhat.com>
11677 PR rtl-optimization/19705
11678 * doc/invoke.texi (Options That Control Optimization): Clarify
11679 -fno-branch-count-reg.
11681 2016-02-26 Richard Biener <rguenther@suse.de>
11682 Jeff Law <law@redhat.com>
11684 PR tree-optimization/69740
11685 * cfghooks.c (remove_edge): Request loop fixups if we delete
11686 an edge that might turn an irreducible loop into a natural
11688 * cfgloop.h (check_verify_loop_structure): Clear LOOPS_NEED_FIXUP.
11689 Move after definition of loops_state_clear.
11691 2016-03-07 Bin Cheng <bin.cheng@arm.com>
11693 PR rtl-optimization/69052
11694 * rtlanal.c (commutative_operand_precedence): Set higher precedence
11697 2016-03-07 Tom de Vries <tom@codesourcery.com>
11699 PR tree-optimization/70116
11700 * tree-ssa-tail-merge.c (merge_stmts_p): New function, handling
11701 is_tm_ending stmts and ubsan/asan internal functions.
11702 (find_duplicate): Use it. Don't test is_tm_ending here.
11704 2016-03-07 Richard Biener <rguenther@suse.de>
11706 PR tree-optimization/70115
11707 * tree-ssa-loop-ivcanon.c (propagate_into_all_uses): Remove.
11708 (propagate_constants_for_unrolling): Use replace_uses_by.
11710 2016-03-07 Nathan Sidwell <nathan@codesourcery.com>
11712 PR middle-end/69916
11713 * omp-low.c (struct oacc_loop): Add ifns.
11714 (new_oacc_loop_raw): Initialize it.
11715 (finish_oacc_loop): Clear mask & flags if no ifns.
11716 (oacc_loop_discover_walk): Count IFN_GOACC_LOOP calls.
11717 (oacc_loop_xform_loop): Add ifns arg & adjust.
11718 (oacc_loop_process): Adjust oacc_loop_xform_loop call.
11720 2016-03-07 Richard Henderson <rth@redhat.com>
11723 * tree-outofssa.c (emit_partition_copy): Flush pending stack adjust.
11724 (insert_value_copy_on_edge): Likewise.
11726 2016-03-07 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
11728 * config/arm/arm_neon.h: Show error if using with soft-float ABI.
11730 2016-03-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
11733 * config/i386/sol2.h (STACK_REALIGN_DEFAULT): Define.
11735 2016-03-05 Venkataramanan Kumar <Venkataramanan.kumar@amd.com>
11737 * config/i386/i386.c (znver1_cost): Fix Multiply cost.
11739 2016-03-05 Venkataramanan Kumar <Venkataramanan.kumar@amd.com>
11741 Fix sseimul type attribute.
11742 * config/i386/znver1.md
11743 (znver1_sseimul, znver1_sseimul_avx256, znver1_sseimul_load,
11744 znver1_sseimul_avx256_load) : Fix the type attribute.
11745 (znver1_sseimul_di, znver1_sseimul_load_di): Fix type attribute,
11746 pipe usage and latency.
11748 2016-03-05 Jakub Jelinek <jakub@redhat.com>
11751 * tree-inline.c (copy_tree_body_r): When cancelling ADDR_EXPR
11752 of INDIRECT_REF and ADDR_EXPR changed type, fold_convert it
11755 2016-03-04 Bernd Schmidt <bschmidt@redhat.com>
11758 * targhooks.c (default_vector_alignment): Limit to MAX_OFILE_ALIGNMENT.
11760 PR rtl-optimization/69941
11761 * postreload.c (reload_combine_recognize_pattern): Ensure all uses of
11762 the reg share its mode.
11764 2016-03-04 Jeff Law <law@redhat.com>
11766 PR tree-optimization/69196
11767 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
11768 If the both SSA_NAMEs are anonymous, then consider them unassociated
11769 and include the PHI in the statement count.
11771 2016-03-05 Tom de Vries <tom@codesourcery.com>
11773 * omp-low.c (check_omp_nesting_restrictions): Check for non-oacc
11774 construct in oacc routine. Check for oacc region in oacc routine.
11776 2016-03-04 Jakub Jelinek <jakub@redhat.com>
11779 * config/i386/i386.c (decide_alg): Add RECUR argument. Revert
11780 2016-02-22 changes, instead don't recurse if RECUR is already true.
11781 Don't change *dynamic_check if RECUR. Adjust recursive caller
11782 to pass true to the new argument.
11783 (ix86_expand_set_or_movmem): Adjust decide_alg caller.
11786 * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
11787 <extract_type_2>_vinsert<shuffletype><extract_suf_2>_mask): Formatting
11789 (vec_set_hi_<mode><mask_name>): Likewise. Swap VEC_CONCAT operands.
11791 2016-03-04 Bernd Schmidt <bschmidt@redhat.com>
11793 PR rtl-optimization/57676
11794 * lra-assigns.c (lra_assign): Guard test for maximum iterations
11795 with flag_checking.
11797 2016-03-04 Ilya Enkovich <enkovich.gnu@gmail.com>
11799 * tree-vect-patterns.c (search_type_for_mask): Handle
11800 comparison of booleans.
11802 2016-03-04 Jakub Jelinek <jakub@redhat.com>
11804 * doc/extend.texi (__builtin_alloca, __builtin_alloca_with_align):
11808 * dwarf2out.c (prune_unused_types_walk_loc_descr): Handle
11809 all other ops that have dw_val_class_die_ref operands,
11810 and DW_OP_GNU_entry_value.
11812 2016-03-03 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
11814 PR rtl-optimization/69904
11815 * config/arm/arm.c (arm_cannot_copy_insn_p):
11816 Return true for load-exclusive instructions.
11818 2016-03-03 Jakub Jelinek <jakub@redhat.com>
11821 * tree-vect-stmts.c (vect_mark_relevant): Remove USED_IN_PATTERN
11822 argument, if STMT_VINFO_IN_PATTERN_P (stmt_info), always mark
11823 the pattern no matter if it is used just by non-pattern, pattern
11825 (process_use, vect_mark_stmts_to_be_vectorized): Adjust callers.
11826 * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
11827 oprnd1 def_stmt is in pattern, don't look through it.
11829 2016-03-03 Marek Polacek <polacek@redhat.com>
11831 PR middle-end/70050
11832 * match.pd (X % -Y): Add INTEGRAL_TYPE_P check.
11834 2016-03-03 Martin Liska <mliska@suse.cz>
11836 PR tree-optimization/70043
11837 * tree-vect-loop.c (optimize_mask_stores): Move iterator to
11838 previous statement if we see a debug statement.
11840 2016-03-03 Richard Biener <rguenther@suse.de>
11842 PR tree-optimization/55936
11843 * tree-vrp.c (compare_name_with_value): Add use_equiv_p
11844 parameter and guard unsafe equivalence use.
11845 (vrp_evaluate_conditional_warnv_with_ops): Always use
11846 safe equivalences but not via the quadratic compare_names
11849 2016-03-03 Michael Collison <michael.collison@linaro.org>
11852 * config/arm/arm.md (*subsi3_carryin_const): Change predicate
11853 for operand 1 to s_register_operand. Change predicate for operand
11854 2 to arm_not_immediate_operand.
11856 2016-03-02 H.J. Lu <hongjiu.lu@intel.com>
11858 * doc/tm.texi: Regenerated.
11860 2016-03-02 Richard Henderson <rth@redhat.com>
11863 * simplify-rtx.c (simplify_plus_minus): Allow reassoc without
11864 simplification when all args are positive non-fixed registers.
11866 2016-03-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
11868 * target.def (lra_p): Specify that new ports should use LRA.
11870 2016-03-02 Jakub Jelinek <jakub@redhat.com>
11873 * gimplify.c (gimplify_decl_expr): For decls with REFERENCE_TYPE, also
11874 gimplify_type_sizes the type they refer to.
11875 (omp_notice_variable): Handle reference vars to VLAs.
11876 * omp-low.c (lower_omp_target): Emit setup of OMP_CLAUSE_PRIVATE
11877 reference to VLA decls in the second pass instead of first pass.
11879 2016-03-02 Tom de Vries <tom@codesourcery.com>
11881 PR tree-optimization/68659
11882 * graphite-isl-ast-to-gimple.c (collect_all_ssa_names): Handle
11883 new_expr == NULL_TREE.
11884 (get_new_name): Handle ADDR_EXPR.
11886 2016-03-02 Bin Cheng <bin.cheng@arm.com>
11888 PR rtl-optimization/69052
11889 * loop-invariant.c (canonicalize_address): New function.
11890 (inv_can_prop_to_addr_use): Check validity of address expression
11891 which is canonicalized by above function.
11893 2016-03-02 Alan Modra <amodra@gmail.com>
11896 * ipa-icf.c (sem_variable::merge): Do not merge an alias with
11899 2016-03-02 Jakub Jelinek <jakub@redhat.com>
11902 * config/i386/i386.md (kmovw): Move m constraint to 2nd alternative.
11903 (*movhi_internal): Put mask moves from and to memory separately
11904 from moves from/to GPRs.
11906 2016-03-02 Richard Biener <rguenther@suse.de>
11908 * genmatch.c (dt_node::gen_kids): Fix match code-gen for embedded
11909 GENERIC expressions in GIMPLE.
11911 2016-03-02 Richard Biener <rguenther@suse.de>
11913 * config/i386/i386.c (type_natural_mode): Fix typo.
11915 2016-03-02 Nick Clifton <nickc@redhat.com>
11917 * config.gcc (mep-*-elf): Add newlib-stdint.h to tm_file.
11919 2016-03-02 Richard Biener <rguenther@suse.de>
11920 Uros Bizjak <ubizjak@gmail.com>
11923 * config/i386/i386.c (type_natural_mode): Handle XFmode vectors.
11925 2016-03-02 Richard Biener <rguenther@suse.de>
11927 PR middle-end/67278
11928 * tree-cfg.c (verify_expr): Adjust BIT_FIELD_REF case.
11930 2016-03-02 Marek Polacek <polacek@redhat.com>
11933 * gimplify.c (gimplify_va_arg_expr): Use expanded location for the
11934 "is promoted to" warning.
11936 2016-03-01 DJ Delorie <dj@redhat.com>
11938 * config.gcc: Deprecate mep-*.
11940 2016-03-01 Vladimir Makarov <vmakarov@redhat.com>
11942 PR middle-end/70025
11943 * lra-constraints.c (regno_val_use_in): New.
11944 (match_reload): Use it instead of regno_use_in.
11946 2016-03-01 Eric Botcazou <ebotcazou@adacore.com>
11948 PR rtl-optimization/70007
11949 * gcse.c (compute_ld_motion_mems): Tidy up and also invalidate memory
11950 references present in REG_EQUAL notes attached to non-SET patterns.
11952 2016-03-01 Jeff Law <law@redhat.com>
11954 PR tree-optimization/69196
11955 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
11956 Appropriately clamp the number of statements to copy when the
11957 thread path does not traverse a loop backedge.
11959 PR tree-optimization/69196
11960 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
11961 Do count some PHIs in the thread path against the insn count. Decrease
11962 final statement count by one as the control statement in the last
11963 block will get removed. Remove special cased code for handling PHIs
11966 2016-03-01 Uros Bizjak <ubizjak@gmail.com>
11969 * config/i386/i386.c (ix86_output_call_insn): Add -masm=intel
11970 asm dialect alternatives to explicit GOTPCREL calls.
11972 2016-03-01 Eric Botcazou <ebotcazou@adacore.com>
11975 * ira.c (do_reload): Issue warning for generic stack checking here...
11976 * reload1.c (reload): ...instead of here and streamline it.
11978 2016-03-01 Nick Clifton <nickc@redhat.com>
11980 * config.gcc (cr16-*-elf): Add newlib-stdint.h to tm_file.
11982 2016-03-01 Richard Biener <rguenther@suse.de>
11984 PR tree-optimization/69983
11985 * tree-chrec.c (eq_evolutions_p): Handle conversions, compare
11986 types and fall back to operand_equal_p.
11988 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
11991 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
11993 * config/s390/constraints.md ("jm8"): New constraint.
11994 * config/s390/predicates.md ("const_int_8bitset_operand"): New
11996 * config/s390/s390.md ("*setmem_long", "*setmem_long_and"): Merge
11998 ("*setmem_long<setmem_and>"): New pattern.
11999 ("*setmem_long_31z", "*setmem_long_and_31z"): Merge
12001 ("*setmem_long_31z<setmem_and>"): New pattern.
12002 * config/s390/subst.md ("setmem_31z_subst", "setmem_and_subst"):
12003 New substitution rules with the required attributes.
12006 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
12009 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
12011 * gensupport.c (process_substs_on_one_elem): Split loop to
12012 complete mark_operands_used_in_match_dup on all expressions in the
12014 (adjust_operands_numbers): Inline into process_substs_on_one_elem
12015 and remove function.
12017 2016-03-01 Richard Biener <rguenther@suse.de>
12019 PR middle-end/70022
12020 * fold-const.c (fold_indirect_ref_1): Fix range checking for
12021 vector BIT_FIELD_REF extract.
12023 2016-03-01 Richard Biener <rguenther@suse.de>
12025 PR tree-optimization/69994
12026 * tree-ssa-reassoc.c (ops_equal_values_p): Handle missing case.
12028 2016-03-01 Ilya Enkovich <enkovich.gnu@gmail.com>
12030 PR tree-optimization/69956
12031 * tree-vect-stmts.c (supportable_widening_operation): Support
12032 multi-step conversion of boolean vectors.
12033 (supportable_narrowing_operation): Likewise.
12035 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
12037 * config/s390/s390.c (s390_decompose_address): Don't accept SImode
12040 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
12042 * config/s390/subst.md (DSI_VI): New mode iterator.
12043 ("addr_style_op_subst"): Use DSI_VI instead of DSI.
12044 * config/s390/vector.md ("vec_set<mode>"): Move expander before
12045 the insn definition.
12046 ("*vec_set<mode>"): Change predicate and add alternative to
12047 support only either register or const_int operands as element
12049 ("*vec_set<mode>_plus"): New pattern to support reg + const_int
12051 ("vec_extract<mode>"): New expander.
12052 ("*vec_extract<mode>"): New insn definition supporting reg and
12053 const_int element selectors.
12054 ("*vec_extract<mode>_plus"): New insn definition supporting
12055 reg+const_int element selectors.
12056 ("rotl<mode>3", "ashl<mode>3", "ashr<mode>3"): Merge into the
12057 following expander+insn definition.
12058 ("<vec_shifts_name><mode>3"): New expander.
12059 ("*<vec_shifts_name><mode>3<addr_style_op>"): New insn definition.
12061 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
12063 * config/s390/s390.md ("*tabort_1"): Change predicate to
12064 nonmemory_operand. Add a second alternative to cover
12065 register as well as const int operands.
12066 ("*tabort_1_plus"): New pattern definition.
12068 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
12070 * config/s390/s390.md ("*ashrdi3_cc_31")
12071 ("*ashrdi3_cconly_31""*ashrdi3_cc_31_and")
12072 ("*ashrdi3_cconly_31_and", "*ashrdi3_31_and", "*ashrdi3_31"):
12073 Merge insn definitions into ...
12074 ("*ashrdi3_31<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
12075 New pattern definition.
12076 ("*ashr<mode>3_cc", "*ashr<mode>3_cconly", "ashr<mode>3", )
12077 ("*ashr<mode>3_cc_and", "*ashr<mode>3_cconly_and")
12078 ("*ashr<mode>3_and"): Merge insn definitions into ...
12079 ("*ashr<mode>3<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
12080 New pattern definition.
12081 * config/s390/subst.md ("addr_style_op_cc_subst")
12082 ("masked_op_cc_subst", "setcc_subst", "cconly_subst"): New
12083 substitutions patterns plus attributes.
12084 Add ashiftrt to SUBST iterator.
12086 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
12088 * config/s390/s390.md ("<shift><mode>3"): Change predicate of
12089 op2 to nonmemory_operand.
12090 ("*<shift>di3_31", "*<shift>di3_31_and"):
12091 Merge into single pattern definition ...
12092 ("*<shift>di3_31<addr_style_op><masked_op>"): New pattern.
12093 ("*<shift><mode>3", "*<shift><mode>3_and"): Merge into single
12094 pattern definition ...
12095 ("*<shift><mode>3<addr_style_op><masked_op>"): New pattern.
12096 * config/s390/subst.md: Add ashift and lshiftrt to SUBST
12099 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
12101 * config/s390/predicates.md (const_int_6bitset_operand): New
12103 * config/s390/s390.md: Include subst.md.
12104 ("rotl<mode>3"): New expander.
12105 ("rotl<mode>3", "*rotl<mode>3_and"): Merge insn definitions into
12107 ("*rotl<mode>3<addr_style_op><masked_op>"): New insn definition.
12108 * config/s390/subst.md: New file.
12110 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
12112 * config/s390/s390.md ("op_type", "atype", "length" attributes):
12113 Remove RRR type. It doesn't really exist.
12114 ("RRer", "f0", "v0", "vf", "vd", "op1", "Rf"): Remove mode
12116 ("BFP", "DFP", "nDSF", "nDFDI"): Add mode attributes.
12117 ("*cmp<mode>_ccs", "floatdi<mode>2", "add<mode>3")
12118 ("*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3")
12119 ("*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3")
12120 ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2")
12121 ("*abs<mode>2", "*negabs<mode>2", "sqrt<mode>2"): Override
12122 `enabled' attribute.
12124 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
12126 * gensupport.c (process_substs_on_one_elem): Split loop to
12127 complete mark_operands_used_in_match_dup on all expressions in the
12129 (adjust_operands_numbers): Inline into process_substs_on_one_elem
12130 and remove function.
12132 2016-02-29 Eric Botcazou <ebotcazou@adacore.com>
12135 * config/sparc/sparc.c (NWORDS_UP): Rename to...
12136 (CEIL_NWORDS): ...this. Use CEIL macro.
12137 (compute_fp_layout): Adjust to above renaming.
12138 (function_arg_union_value): Likewise.
12139 (sparc_arg_partial_bytes): Likewise.
12140 (sparc_function_arg_advance): Likewise.
12142 2016-02-29 Jeff Law <law@redhat.com>
12144 PR tree-optimization/70005
12145 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Handle case
12146 where an object with a boolean range is compared against a value
12149 PR tree-optimization/69999
12150 * gimple-ssa-split-paths.c (split_paths): When duplicating a block
12151 with an outgoing edge marked with EDGE_IRREDUCIBLE_LOOP, schedule
12154 2016-02-29 Richard Biener <rguenther@suse.de>
12156 PR tree-optimization/69994
12157 * tree-ssa-reassoc.c (gimple_nop_conversion_p): New function.
12158 (get_unary_op): Look through nop conversions.
12159 (ops_equal_values_p): New function, look for equality diregarding
12161 (eliminate_plus_minus_pair): Use ops_equal_values_p
12162 (repropagate_negates): Do not use get_unary_op here.
12164 2016-02-29 Martin Liska <mliska@suse.cz>
12166 * system.h: Poison ENABLE_CHECKING macro.
12168 2016-02-29 Martin Liska <mliska@suse.cz>
12170 * hsa-gen.c (gen_body_from_gimple): Dump only if TDF_DETAILS
12171 is presented in dump flags.
12172 * hsa-regalloc.c (linear_scan_regalloc): Likewise.
12173 (hsa_regalloc): Likewise.
12175 2016-02-19 Richard Biener <rguenther@suse.de>
12177 PR tree-optimization/69980
12178 * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Update
12179 permutation of those we need to keep.
12181 2016-02-29 Eric Botcazou <ebotcazou@adacore.com>
12184 * config/sparc/sparc.c (ROUND_ADVANCE): Rename to...
12185 (NWORDS_UP): ...this
12186 (init_cumulative_args): Minor tweaks.
12187 (sparc_promote_function_mode): Likewise.
12188 (scan_record_type): Delete.
12189 (traverse_record_type): New function template.
12190 (classify_data_t): New structure type.
12191 (classify_registers): New inline function.
12192 (function_arg_slotno): In 64-bit mode, bail out early if FP slots are
12193 exhausted. Instantiate traverse_record_type on classify_registers and
12194 deal with the case of a structure passed in slot #15 with no FP field
12196 (assign_data_t): New structure type.
12197 (compute_int_layout): New static function.
12198 (compute_fp_layout): Likewise.
12199 (count_registers): New inline function.
12200 (assign_int_registers): New static function.
12201 (assign_fp_registers): Likewise.
12202 (assign_registers): New inline function.
12203 (function_arg_record_value_1): Delete.
12204 (function_arg_record_value_2): Likewise.
12205 (function_arg_record_value_3): Likewise.
12206 (function_arg_record_value): Adjust to above changes. Instantiate
12207 traverse_record_type on count_registers to first count the number of
12208 registers to be used and then on assign_registers to assign them.
12209 (function_arg_union_value): Adjust to above renaming.
12210 (sparc_function_arg_1); Minor tweaks. Remove commented out code.
12211 (sparc_arg_partial_bytes): Adjust to above renaming. Deal with the
12212 case of a structure passed in slot #15
12213 (sparc_function_arg_advance): Likewise.
12214 (function_arg_padding): Minor tweak.
12216 2016-02-29 Richard Biener <rguenther@suse.de>
12218 PR tree-optimization/69720
12219 * tree-vect-loop.c (get_initial_def_for_reduction): Avoid
12220 the adjustment_def path for possibly vectorized defs.
12221 (vect_create_epilog_for_reduction): Handle vectorized initial
12224 2016-02-28 Eric Botcazou <ebotcazou@adacore.com>
12226 * config/i386/cygming.h (STACK_REALIGN_DEFAULT): Define.
12228 2016-02-27 Jeff Law <law@redhat.com>
12231 2016-02-26 Richard Biener <rguenther@suse.de>
12232 Jeff Law <law@redhat.com>
12234 PR tree-optimization/69740
12235 * cfghooks.c (remove_edge): Request loop fixups if we delete
12236 an edge that might turn an irreducible loop into a natural
12239 2016-02-27 Jakub Jelinek <jakub@redhat.com>
12241 PR rtl-optimization/69896
12242 * tree-vect-generic.c (get_compute_type): Avoid single element
12245 2016-02-26 Evandro Menezes <e.menezes@samsung.com>
12247 Rename the AArch64 tuning option and related functions to enable the
12248 Newton series for the reciprocal square root to reflect its
12249 approximative characteristic.
12251 * config/aarch64/aarch64-protos.h (aarch64_emit_swrsqrt): Rename
12252 function to "aarch64_emit_approx_rsqrt".
12253 * config/aarch64/aarch64-tuning-flags.def: Rename tuning flag to
12254 AARCH64_EXTRA_TUNE_APPROX_RSQRT.
12255 * config/aarch64/aarch64.c (exynosm1_tunigs): Use new flag name.
12256 (xgene1_tunings): Likewise.
12257 (use_rsqrt_p): Likewise.
12258 (aarch64_emit_swrsqrt): Use new function name.
12259 * config/aarch64/aarch64-simd.md (aarch64_rsqrts_*): Likewise.
12260 * config/aarch64/aarch64.opt (mlow-precision-recip-sqrt): Reword the
12261 text explaining this option.
12262 * doc/invoke.texi (-mlow-precision-recip-sqrt): Likewise.
12264 2016-02-26 Jakub Jelinek <jakub@redhat.com>
12267 * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
12268 complain about -mallow-movmisalign without -mvsx if
12269 TARGET_ALLOW_MOVMISALIGN was not set explicitly.
12271 2016-02-26 Joel Sherrill <joel@rtems.org>
12273 * config.gcc: Add x86_64-*-rtems*.
12274 * config/i386/rtems-64.h: New file.
12276 2016-02-26 Joel Sherrill <joel@rtems.org>
12278 * config.gcc: Add aarch64-*-rtems*.
12279 * config/aarch64/rtems.h: New file.
12281 2016-02-26 Segher Boessenkool <segher@kernel.crashing.org>
12284 * config/rs6000/rs6000.c (rs6000_insn_for_shift_mask): Print rlwinm
12285 shift amount using %h. Add comment.
12287 2016-02-26 Richard Biener <rguenther@suse.de>
12288 Jeff Law <law@redhat.com>
12290 PR tree-optimization/69740
12291 * cfghooks.c (remove_edge): Request loop fixups if we delete
12292 an edge that might turn an irreducible loop into a natural
12295 2016-02-26 Martin Jambor <mjambor@suse.cz>
12297 PR middle-end/69920
12298 * tree-sra.c (sra_modify_assign): Do not remove loads of
12299 uninitialized aggregates to SSA_NAMEs.
12301 2016-02-26 Richard Henderson <rth@redhat.com>
12304 * config/s390/s390.md (risbg and risbgn splitters): Allocate new
12305 pseudo in case the target rtx matches the source of the left
12308 2016-02-26 Martin Jambor <mjambor@suse.cz>
12311 * hsa.h (hsa_type_packed_p): Declare.
12312 * hsa.c (hsa_type_packed_p): New function.
12313 * hsa-gen.c (mem_type_for_type): Use unsigned type for packed
12315 (gen_hsa_insns_for_store): Use hsa_type_packed_p.
12316 * hsa-brig.c (emit_basic_insn): Likewise.
12318 2016-02-26 Martin Jambor <mjambor@suse.cz>
12321 * hsa-gen.c (gen_hsa_phi_from_gimple_phi): Use proper hsa type for
12323 (gen_hsa_addr): Allow integer constants in TMR_INDEX2.
12325 2016-02-26 Martin Jambor <mjambor@suse.cz>
12327 * hsa.h (is_a_helper): New overload for hsa_op_immed for
12328 hsa_op_with_type operands.
12329 (hsa_unsigned_type_for_type): Declare.
12330 * hsa.c (hsa_unsigned_type_for_type): New function.
12331 * hsa-gen.c (gen_hsa_binary_operation): Use hsa_unsigned_type_for_type.
12332 (gen_hsa_insns_for_operation_assignment): Satisfy constrains of
12333 the finalizer. Do not emit extra move.
12335 2016-02-26 Martin Jambor <mjambor@suse.cz>
12337 * hsa-gen.c (gen_hsa_ternary_atomic_for_builtin): Fail in presence of
12338 atomic operations in private segment.
12340 2016-02-26 Martin Jambor <mjambor@suse.cz>
12342 * omp-low.c (grid_find_ungridifiable_statement): Store problematic
12343 statements to wi->info. Also disallow omp simd constructs.
12344 (grid_target_follows_gridifiable_pattern): Use wi.info to dump reason
12345 for not gridifying. Dump special string for omp_for.
12347 2016-02-26 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
12350 * config/aarch64/aarch64.c (aarch64_set_current_function):
12351 Save/restore target globals when switching to
12352 target_option_default_node.
12354 2016-02-26 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
12357 * config/aarch64/aarch64.c (aarch64_shift_truncation_mask):
12358 Return 0 if !SHIFT_COUNT_TRUNCATED.
12360 2016-02-26 Jakub Jelinek <jakub@redhat.com>
12361 Eric Botcazou <ebotcazou@adacore.com>
12363 PR rtl-optimization/69891
12364 * dse.c (scan_insn): If we can't figure out memset arguments
12365 or they are non-constant, call clear_rhs_from_active_local_stores.
12367 2016-02-26 Martin Liska <mliska@suse.cz>
12369 * doc/extend.texi: Mention clog10, clog10f an clog10l
12370 in Builtins section.
12372 2016-02-26 Martin Liska <mliska@suse.cz>
12374 * dwarf2out.c (new_loc_descr): Replace ENABLE_CHECKING with
12376 (resolve_args_picking_1): Likewise.
12377 * dwarf2out.h (struct GTY): Likewise.
12379 2016-02-26 Martin Liska <mliska@suse.cz>
12381 * hsa-gen.c (generate_hsa): Replace ENABLE_CHECKING macro
12382 with flag_checking.
12383 * hsa-regalloc.c (linear_scan_regalloc): Likewise.
12385 2016-02-26 Markus Trippelsdorf <markus@trippelsdorf.de>
12386 Martin Liska <mliska@suse.cz>
12388 * doc/install.texi: Mention --enable-valgrind-annotations.
12390 2016-02-26 Richard Biener <rguenther@suse.de>
12392 PR tree-optimization/69551
12393 * tree-ssa-structalias.c (get_constraint_for_ssa_var): When
12394 looking through aliases adjust DECL_PT_UID to refer to the
12395 ultimate alias target.
12397 2016-02-25 Martin Liska <mliska@suse.cz>
12399 PR middle-end/69919
12400 * alloc-pool.c (after_memory_report): New variable.
12401 * alloc-pool.h (base_pool_allocator ::release): Do not use
12402 the infrastructure if after_memory_report.
12403 * toplev.c (toplev::main): Mark after memory report.
12405 2016-02-25 Richard Biener <rguenther@suse.de>
12407 PR tree-optimization/48795
12408 * tree-vrp.c (check_array_ref): Use array_at_struct_end_p.
12410 2016-02-25 Ilya Verbin <ilya.verbin@intel.com>
12413 * config/gnu-user.h (CRTOFFLOADBEGIN): Define. Add crtoffloadbegin.o if
12414 offloading is enabled and -fopenacc or -fopenmp is specified.
12415 (CRTOFFLOADEND): Likewise.
12416 (GNU_USER_TARGET_STARTFILE_SPEC): Add CRTOFFLOADBEGIN.
12417 (GNU_USER_TARGET_ENDFILE_SPEC): Add CRTOFFLOADEND.
12418 * lto-wrapper.c (offloadbegin, offloadend): Remove static vars.
12419 (offload_objects_file_name): New static var.
12420 (tool_cleanup): Remove offload_objects_file_name file.
12421 (find_offloadbeginend): Replace with ...
12422 (find_crtoffloadtable): ... this.
12423 (run_gcc): Remove offload_argc and offload_argv.
12424 Get offload_objects_file_name from -foffload-objects=... option.
12425 Read names of object files with offload from this file, pass them to
12426 compile_images_for_offload_targets. Don't call find_offloadbeginend and
12427 don't pass offloadbegin and offloadend to the linker. Don't pass
12428 offload non-LTO files to the linker, because now they're not claimed.
12430 2016-02-25 Jan Hubicka <hubicka@ucw.cz>
12433 * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
12434 on builtin_unreachable.
12436 2016-02-25 Jakub Jelinek <jakub@redhat.com>
12438 PR rtl-optimization/69896
12439 * regcprop.c: Include cfgrtl.h.
12440 (copyprop_hardreg_forward_1): If noop_p insn uses narrower
12441 than remembered mode, either delete it (if noop_move_p), or
12442 treat like copy_p but not noop_p instruction.
12444 2016-02-24 Jakub Jelinek <jakub@redhat.com>
12447 * dwarf2out.c (gen_variable_die): Work around buggy LTO
12448 - allow NULL decl for Fortran DW_TAG_common_block variables.
12450 2016-02-24 Jason Merrill <jason@redhat.com>
12452 * common.opt (flifetime-dse): Add -flifetime-dse=1.
12454 2016-02-24 Richard Biener <rguenther@suse.de>
12455 Jakub Jelinek <jakub@redhat.com>
12457 PR middle-end/69760
12458 * tree-scalar-evolution.c (interpret_rhs_expr): Re-write
12459 conditionally executed ops to well-defined overflow behavior.
12461 2016-02-24 Jakub Jelinek <jakub@redhat.com>
12463 PR middle-end/69915
12464 * tree.c (build_vector_from_ctor): Fix handling of VECTOR_CST
12467 2016-02-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
12469 PR rtl-optimization/69886
12470 * gcse.c (can_assign_to_reg_without_clobbers_p): Accept mode
12471 argument. Use it when checking validity of set instructions.
12472 (want_to_gcse_p): Pass mode to can_assign_to_reg_without_clobbers_p.
12473 (compute_ld_motion_mems): Update can_assign_to_reg_without_clobbers_p
12475 * rtl.h (can_assign_to_reg_without_clobbers_p): Update prototype.
12476 * store-motion.c (find_moveable_store): Update
12477 can_assign_to_reg_without_clobbers_p callsite.
12479 2016-02-24 Richard Biener <rguenther@suse.de>
12481 PR middle-end/68963
12482 * tree-ssa-loop-niter.c (derive_constant_upper_bound_ops): Fix
12484 (record_nonwrapping_iv): Do not fall back to the low/high bound
12485 for non-constant IV bases if the stmt is not always executed.
12487 2016-02-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
12489 * config/arm/arm-cores.def (cortex-a32): New entry.
12490 * config/arm/arm-tables.opt: Regenerate.
12491 * config/arm/arm-tune.md: Regenerate.
12492 * config/arm/bpabi.h (BE8_LINK_SPEC): Add mcpu=cortex-a32.
12493 * config/arm/t-aprofile: Handle mcpu=cortex-a32.
12494 * doc/invoke.texi (ARM Options): Document cortex-a32 as value
12495 for -mcpu and -mtune.
12497 2016-02-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
12500 * config/arm/arm.h (TARGET_HAVE_LPAE): Define.
12501 * config/arm/unspecs.md (VUNSPEC_LDRD_ATOMIC): New value.
12502 * config/arm/sync.md (arm_atomic_loaddi2_ldrd): New pattern.
12503 (atomic_loaddi_1): Delete.
12504 (atomic_loaddi): Rewrite expander using the above changes.
12506 2016-02-24 Jakub Jelinek <jakub@redhat.com>
12509 * params.def (PARAM_MAX_SSA_NAME_QUERY_DEPTH): Bump default from
12512 2016-02-24 Jakub Jelinek <jakub@redhat.com>
12513 Richard Biener <rguenth@suse.de>
12515 PR middle-end/69909
12516 * expr.c (expand_expr_real_1) <normal_inner_ref>: Avoid
12517 set_mem_attributes if tem is SSA_NAME which got expanded
12520 2016-02-24 Richard Biener <rguenther@suse.de>
12522 PR tree-optimization/69907
12523 * tree-vect-stmts.c (vectorizable_load): Check for gaps at the
12524 end of permutations for BB vectorization.
12526 2016-02-24 Christian Bruel <christian.bruel@st.com>
12528 * config/arm/arm-c.c (arm_option_override): Initialize
12529 target_option_current_node.
12530 * config/arm/arm.c (arm_pragma_target_parse): Replace
12531 build_target_option_node call by target_option_current_node.
12532 Set target_option_current_node.
12535 2016-02-23 David Edelsohn <dje.gcc@gmail.com>
12538 * config/rs6000/rs6000.md (zero_extendqi<mode>2_dot): Convert from
12539 define_insn_and_split to define_insn.
12540 (zero_extendqi<mode>2_dot2): Same.
12541 (extendqi<mode>2_dot): Same.
12542 (extendqi<mode>2_dot2): Same.
12544 2016-02-23 Evandro Menezes <e.menezes@samsung.com>
12546 * config/arm/exynos-m1.md: Change cost of STP, fix bypass for stores
12547 and add bypass for AES{D,E} and AESMC pairs.
12548 * config/aarch64/aarch64.c (exynosm1_tunings): Enable fusion of AES{D,E}
12551 2016-02-23 Evandro Menezes <e.menezes@samsung.com>
12553 * config/aarch64/aarch64.c (exynosm1_tunings): Enable the Newton
12554 series for reciprocal square root in Exynos M1.
12556 2016-02-23 Martin Sebor <msebor@redhat.com>
12559 * doc/extend.texi (Other Builtins): Document __builtin_alloca and
12560 __builtin_alloca_with_align.
12562 2016-02-23 Richard Henderson <rth@redhat.com>
12564 * config/i386/i386-c.c (ix86_target_macros): Remove __SEG_TLS.
12565 (ix86_register_pragmas): Remove __seg_tls.
12566 * config/i386/i386-protos.h (ADDR_SPACE_SEG_TLS): Remove.
12567 * config/i386/i386.c (ix86_print_operand_address_as): Don't handle it.
12568 (ix86_addr_space_subset_p, TARGET_ADDR_SPACE_SUBSET_P): Remove.
12569 (ix86_addr_space_convert, TARGET_ADDR_SPACE_CONVERT): Remove.
12570 (ix86_addr_space_debug, TARGET_ADDR_SPACE_DEBUG): Remove.
12571 * doc/extend.texi (__seg_tls): Remove item.
12573 2016-02-23 Richard Biener <rguenther@suse.de>
12575 * alloc-pool.h (struct allocation_object): Make id member
12576 conditional on CHECKING_P again.
12577 (get_instance): Adjust.
12578 (base_pool_allocator): Likewise.
12580 2016-02-23 Thomas Schwinge <thomas@codesourcery.com>
12582 * tree-parloops.c (create_parallel_loop, gen_parallel_loop)
12583 (parallelize_loops): In OpenACC kernels mode, set n_threads to
12585 (pass_parallelize_loops::gate): In OpenACC kernels mode, gate on
12587 * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
12589 2016-02-23 Richard Biener <rguenther@suse.de>
12591 * mem-stats.h (struct mem_usage): Use PRIu64 for printing size_t.
12592 * bitmap.h (struct bitmap_usage): Likewise.
12593 (bitmap_move): Declare.
12594 * bitmap.c (register_overhead): Take size_t argument.
12595 (bitmap_move): New function.
12596 * df-problems.c (df_rd_transfer_function): Use bitmap_move
12597 to properly account overhead.
12598 * tree.c (free_node): Use tree_size.
12600 2016-02-23 Jakub Jelinek <jakub@redhat.com>
12603 * fold-const.c (fold_truth_not_expr): Propagate TREE_NO_WARNING
12604 when inverting comparison.
12607 * common.opt (Wunreachable-code): Add Warning flag.
12609 2016-02-23 Mark Wielaard <mjw@redhat.com>
12610 Jakub Jelinek <jakub@redhat.com>
12613 * cgraphunit.c (check_global_declaration): Check main_input_filename
12614 and DECL_SOURCE_FILE are not NULL.
12616 2016-02-23 Martin Jambor <mjambor@suse.cz>
12618 PR tree-optimization/69666
12619 * tree-sra.c (sra_modify_assign): Do not attempt to create
12620 default_def replacements for unscalarizable regions.
12622 2016-02-20 Mark Wielaard <mjw@redhat.com>
12625 * cgraphunit.c (check_global_declaration): Check level of
12626 warn_unused_const_variable and main_input_filename.
12627 * doc/invoke.texi (Warning Options): Add -Wunused-const-variable=.
12628 (-Wunused-variable): For C implies -Wunused-const-variable=1.
12629 (-Wunused-const-variable): Explain levels 1 and 2.
12631 2016-02-22 Jakub Jelinek <jakub@redhat.com>
12634 * config/i386/i386.c (decide_alg): Ensure we don't recurse with
12635 identical arguments. Formatting and spelling fixes.
12638 * doc/md.texi (ashl@var{m}3): Document that mode of operand 2 must
12643 * config/m68k/t-opts (OPTIONS_H_EXTRA): Add m68k-microarchs.def
12644 and m68k-devices.def.
12645 * config/c6x/t-c6x (OPTIONS_H_EXTRA): Add c6x-isas.def.
12646 * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add aarch64-arches.def.
12648 2016-02-22 Cesar Philippidis <cesar@codesourcery.com>
12650 * config/nvptx/nvptx.c (nvptx_gen_shuffle): Add support for QImode
12651 and HImode registers.
12653 2016-02-22 Richard Biener <rguenther@suse.de>
12655 PR tree-optimization/69882
12656 * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Properly
12657 preserve permutations present because of gaps.
12658 (vect_supported_load_permutation_p): Always continue checking
12659 permutations after vect_attempt_slp_rearrange_stmts.
12661 2016-02-22 Bin Cheng <bin.cheng@arm.com>
12663 * tree-vect-loop.c (vect_estimate_min_profitable_iters): Dump
12664 min_profitable_estimate, rather than min_profitable_iters.
12666 2016-02-22 Jakub Jelinek <jakub@redhat.com>
12669 * config/m68k/m68k.md (ashldi3, ashrdi3, lshrdi3): Use
12670 SImode for last match_operand.
12672 2016-02-22 Martin Liska <mliska@suse.cz>
12674 * hsa-gen.c (gen_hsa_clrsb): In case of zero value,
12675 return bitsize - 1 as the return value.
12677 2016-02-22 Oleg Endo <olegendo@gcc.gnu.org>
12681 * config/sh/sh.c (sh_lshrsi_clobbers_t_reg_p, sh_dynamicalize_shift_p):
12682 Handle negative shift counts.
12683 * config/sh/sh.md (ashlsi3, lshrsi3_n, lshrsi3_n_clobbers_t): Don't use
12684 force_reg on the shift constant.
12685 (lshrsi3): Likewise. Expand into lshrsi3_n* instead of lshrsi3_d.
12686 (lshrsi3_d): Handle negative shift counts.
12688 2016-02-22 Richard Biener <rguenther@suse.de>
12689 Tom de Vries <tom@codesourcery.com>
12691 * graph.c: Include dumpfile.h.
12692 (print_graph_cfg): Split into three overloads.
12693 * gdbhooks.py (class DotFn): Add and instantiate, adding command dot-fn.
12695 2016-02-22 Tom de Vries <tom@codesourcery.com>
12697 * gdbhooks.py (class DumpFn): Add and instantiate, adding command
12700 2016-02-22 Richard Biener <rguenther@suse.de>
12703 * ipa-inline-transform.c (inline_call): When not updating
12704 overall summaries adjust self size by the growth estimate.
12705 * ipa-inline.c (inline_to_all_callers_1): Add to the callers
12706 hash-set, do not update overall summaries here. Renamed from ...
12707 (inline_to_all_callers): ... this which is now wrapping the
12708 above and performing delayed overall summary update.
12709 (early_inline_small_functions): Delay updating of the overall
12712 2016-02-21 Markus Trippelsdorf <markus@trippelsdorf.de>
12714 * tree-chkp.c (chkp_mark_invalid_bounds_walker): Initialize
12717 2016-02-19 Jakub Jelinek <jakub@redhat.com>
12720 * gcc.c (LINK_COMMAND_SPEC, GOMP_SELF_SPECS): Use
12721 :%* in %:gt() argument.
12722 (greater_than_spec_func): Adjust for expecting only numbers,
12723 if there are more than two numbers, compare the last two.
12725 2016-02-19 Jonathan Wakely <jwakely@redhat.com>
12727 * doc/invoke.texi (C++ Dialect Options): Clarify interaction of
12728 -Wnarrowing with -std.
12730 2016-02-19 Jakub Jelinek <jakub@redhat.com>
12733 * expr.c (store_field): Don't use bit-field path if exp is
12734 COMPONENT_REF with TREE_ADDRESSABLE type, where TYPE_SIZE is
12735 different from bitsize, but DECL_SIZE of FIELD_DECL is bitsize
12736 and the assignment can be performed by bitwise copy. Formatting
12739 PR middle-end/69838
12740 * lra.c (lra_process_new_insns): If non-call exceptions are enabled,
12741 call copy_reg_eh_region_note_forward on before and/or after sequences
12742 and remove note from insn if it no longer can throw.
12745 * config/i386/sse.md (VI_512): Only include V64QImode and V32HImode
12746 if TARGET_AVX512BW.
12748 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
12750 * config/s390/vector.md: Add missing commutative operand markers
12751 to the patterns which qualify for one.
12752 * config/s390/vx-builtins.md: Likewise.
12754 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
12756 * config/s390/vector.md (VI, VI_QHS): Add single element vector
12757 types to mode iterators.
12758 (vec_double): ... and mode attribute.
12759 * config/s390/vx-builtins.md (non_vec_int): Likewise.
12761 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
12763 * config/s390/vector.md ("<ti*>add<mode>3", "<ti*>sub<mode>3"):
12764 Change the predicate of op2 from nonimmediate to general and let
12765 reload fix it if necessary.
12767 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
12769 * config/s390/vecintrin.h (vec_sub_u128): Define missing macro.
12771 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
12773 * config/s390/s390.c (s390_expand_vcond): Use the compare operand
12776 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
12778 * config/s390/s390-protos.h: Add s390_expand_vec_movstr prototype.
12779 * config/s390/s390.c (s390_expand_vec_movstr): New function.
12780 * config/s390/s390.md ("movstr<P:mode>"): Call
12781 s390_expand_vec_movstr.
12783 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
12785 * config/s390/s390.md: Add missing output modifier for operand 1
12786 to print it as address properly.
12788 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
12790 * config/s390/2827.md: Rename ooo_* insn attributes to zEC12_*.
12791 * config/s390/2964.md: New file.
12792 * config/s390/s390.c (s390_get_sched_attrmask): Use the right set
12793 of insn grouping attributes depending on the CPU level.
12794 (s390_get_unit_mask): New function.
12795 (s390_sched_score): Remove the OOO from the scheduling macros.
12796 Add loop to calculate a score for the instruction mix.
12797 (s390_sched_reorder): Likewise plus improve debug output.
12798 (s390_sched_variable_issue): Rename macros as above. Calculate
12799 the unit distances after actually scheduling an insn. Improve
12801 (s390_sched_init): Clear last_scheduled_unit_distance array.
12802 * config/s390/s390.md: Include 2964.md.
12804 2016-02-18 Jakub Jelinek <jakub@redhat.com>
12807 * config/i386/sse.md (*<floatsuffix>floatv2div2sf2_mask_1,
12808 *avx512vl_<code>v2div2qi2_mask_1, *avx512vl_<code><mode>v4qi2_mask_1,
12809 *avx512vl_<code><mode>v8qi2_mask_1, *avx512vl_<code><mode>v4hi2_mask_1,
12810 *avx512vl_<code>v2div2hi2_mask_1, *avx512vl_<code>v2div2si2_mask_1,
12811 *avx512f_<code>v8div16qi2_mask_1): New insns.
12813 2016-02-18 Michael Meissner <meissner@linux.vnet.ibm.com>
12816 * config/rs6000/predicates.md (fusion_gpr_addis): Revert
12819 * config/rs6000/rs6000.md (fusion_gpr_load_<mode>): Remove
12820 earlyclobber from target. Use wF constraint for fused memory
12822 (fusion_gpr_<P:mode>_<GPR_FUSION:mode>_load): Likewise.
12824 2016-02-18 Jakub Jelinek <jakub@redhat.com>
12825 Martin Liska <mliska@suse.cz>
12828 * cfgexpand.c (asan_sanitize_stack_p): New function.
12829 (partition_stack_vars): Use the function.
12830 (expand_stack_vars): Likewise.
12831 (defer_stack_allocation): Likewise.
12832 (expand_used_vars): Likewise.
12834 2016-02-18 Richard Biener <rguenther@suse.de>
12836 PR middle-end/69553
12837 * fold-const.c (operand_equal_p): Properly compare offsets for
12838 IMAGPART_EXPR and ARRAY_REF.
12840 2016-02-18 Nick Clifton <nickc@redhat.com>
12844 * config/arm/arm.c (arm_option_override_internal): Disable
12845 interworking if the target does not support thumb instructions.
12846 (arm_reload_in_hi): Handle the case where a register to register
12847 move needs reloading because there is no simple pattern to handle
12849 (arm_reload_out_hi): Likewise.
12851 2016-02-18 Richard Biener <rguenther@suse.de>
12853 PR middle-end/69854
12854 * match.pd: Don't use fold_binary or fold_unary for folding
12857 2016-02-17 Jakub Jelinek <jakub@redhat.com>
12860 * gimplify.c (gimplify_cond_expr): Call gimple_set_no_warning
12861 on the cond_stmt from TREE_NO_WARNING on COND_EXPR_COND.
12862 * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Don't
12863 warn on gimple_no_warning_p statements.
12865 2016-02-17 Jonathan Wakely <jwakely@redhat.com>
12867 * doc/extend.texi (C++ Attributes): Correct description of
12868 warn_unused type attribute.
12870 2016-02-17 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
12872 * config/rs6000/altivec.md (*altivec_lvxl_<mode>_internal): Output
12873 correct instruction.
12875 2016-02-17 Richard Biener <rguenther@suse.de>
12877 PR rtl-optimization/69609
12878 * bb-reorder.c (struct bbro_basic_block_data): Add priority member.
12879 (find_traces_1_round): When ending a trace update cached priority
12881 (bb_to_key): Use cached priority when available.
12882 (copy_bb): Initialize cached priority.
12883 (reorder_basic_blocks_software_trace_cache): Likewise.
12885 2016-02-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
12888 * config/aarch64/predicates.md (aarch64_comparison_operator_mode):
12890 (aarch64_comparison_operator): Break overly long line into two.
12891 (aarch64_comparison_operation): Likewise.
12892 * config/aarch64/aarch64.md (cstorecc4): Use
12893 aarch64_comparison_operator_mode instead of
12894 aarch64_comparison_operator.
12895 (cstore<mode>4): Likewise.
12896 (aarch64_cstore<mode>): Likewise.
12897 (*cstoresi_insn_uxtw): Likewise.
12898 (cstore<mode>_neg): Likewise.
12899 (*cstoresi_neg_uxtw): Likewise.
12901 2016-02-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
12904 * config/arm/predicates.md (arm_comparison_operator_mode):
12906 * config/arm/arm.md (*mov_scc): Use arm_comparison_operator_mode
12907 instead of arm_comparison_operator.
12908 (*mov_negscc): Likewise.
12909 (*mov_notscc): Likewise.
12910 * config/arm/thumb2.md (*thumb2_mov_scc): Likewise.
12911 (*thumb2_mov_negscc): Likewise.
12912 (*thumb2_mov_negscc_strict_it): Likewise.
12913 (*thumb2_mov_notscc): Likewise.
12914 (*thumb2_mov_notscc_strict_it): Likewise.
12916 2016-02-17 Wilco Dijkstra <wdijkstr@arm.com>
12918 * config/aarch64/aarch64.c (aarch64_internal_mov_immediate):
12919 Add missing return.
12921 2016-02-17 Eric Botcazou <ebotcazou@adacore.com>
12923 * config/visium/visium.c (machine_libfunc_index): New enum.
12924 (machine_libfuncs): New structure.
12925 (visium_libfuncs): New static variable.
12926 (TARGET_INIT_LIBFUNCS): Define to...
12927 (visium_init_libfuncs): ...this. New function.
12928 (expand_block_move_4): Use the appropriate libfunc.
12929 (expand_block_move_2): Likewise.
12930 (expand_block_move_1): Likewise.
12931 (expand_block_set_4): Likewise.
12932 (expand_block_set_2): Likewise.
12933 (expand_block_set_1): Likewise.
12934 (visium_trampoline_init): Likewise.
12936 2016-02-17 Nick Clifton <nickc@redhat.com>
12938 * config/msp430/msp430.c (msp430_mcu_data): Sync with data from
12939 TI's devices.csv file as of March 2016.
12941 2016-02-16 Kelvin Nilsen <kelvin@gcc.gnu.org>
12944 * opts-global.c (handle_common_deferred_options): Introduce and
12945 initialize two global variables to remember command-line options
12946 specifying a stack-limiting register.
12947 * opts.h: Add extern declarations of the two new global variables.
12948 * emit-rtl.c (init_emit_once): Initialize the stack_limit_rtx
12949 variable based on the values of the two new global variables.
12951 2016-02-16 Jakub Jelinek <jakub@redhat.com>
12954 * common.opt (Wnonnull-compare): New warning.
12955 * doc/invoke.texi (-Wnonnull): Remove text about comparison
12956 of arguments against NULL.
12957 (-Wnonnull-compare): Document.
12958 * Makefile.in (OBJS): Add gimple-ssa-nonnull-compare.o.
12959 * tree-pass.h (make_pass_warn_nonnull_compare): Declare.
12960 * passes.def (pass_warn_nonnull_compare): Add.
12961 * gimple-ssa-nonnull-compare.c: New file.
12963 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
12965 * config/aarch64/aarch64.c (cortexa57_tunings): Remove
12966 AARCH64_EXTRA_TUNE_RECIP_SQRT.
12968 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
12970 * config/aarch64/aarch64.c (use_rsqrt_p): Always use software
12971 reciprocal sqrt for -mlow-precision-recip-sqrt.
12973 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
12974 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
12976 * config/aarch64/aarch64.c (aarch64_expand_vector_init): Refactor,
12977 always use lane loads to construct non-constant vectors.
12979 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
12981 * config/aarch64/aarch64.md
12982 (arch64_sqrdml<SQRDMLH_AS:rdma_as>h_lane<mode>): Fix register
12983 constraints for operand 3.
12984 (aarch64_sqrdml<SQRDMLH_AS:rdma_as>h_laneq<mode>): Likewise.
12986 2016-02-16 Jakub Jelinek <jakub@redhat.com>
12987 Richard Biener <rguenther@suse.de>
12989 PR tree-optimization/69820
12990 * tree-vect-patterns.c (type_conversion_p): Return false if
12991 *orig_type is unsigned single precision or boolean.
12992 (vect_recog_dot_prod_pattern, vect_recog_widen_mult_pattern):
12995 2016-02-16 Jakub Jelinek <jakub@redhat.com>
12997 PR rtl-optimization/69764
12998 PR rtl-optimization/69771
12999 * optabs.c (expand_binop): Ensure for shift optabs invalid CONST_INT
13000 op1 is valid for GET_MODE_INNER (mode) and force it into a reg.
13002 2016-02-16 Richard Biener <rguenther@suse.de>
13004 PR tree-optimization/69776
13005 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Get alias
13007 (indirect_refs_may_alias_p): Likewise.
13008 (refs_may_alias_p_1): Pass alias sets as from ao_ref.
13009 * tree-ssa-sccvn.c (vn_reference_lookup): Also adjust vr alias-set
13010 according to tbaa_p.
13011 * tree-ssa-dom.c (lookup_avail_expr): Add tbaa_p flag.
13012 (optimize_stmt): For redundant store discovery do not allow tbaa.
13014 2016-02-16 Bernd Schmidt <bschmidt@redhat.com>
13016 PR tree-optimization/69714
13017 * tree-ssa-math-opts.c (find_bswap_or_nop): Revert previous change.
13018 Return NULL if we have irrelevant high bytes on BIG_ENDIAN.
13020 2016-02-16 Claudiu Zissulescu <claziss@synopsys.com>
13022 * config/arc/arc-modes.def (CC_FPU, CC_FPU_UNEQ): New modes.
13023 * config/arc/arc-opts.h (FPU_SP, FPU_SF, FPU_SC, FPU_SD, FPU_DP)
13024 (FPU_DF, FPU_DC, FPU_DD, FXP_DP): Define.
13025 * config/arc/arc.c (arc_init): Check FPU options.
13026 (get_arc_condition_code): Handle new CC_FPU* modes.
13027 (arc_select_cc_mode): Likewise.
13028 (arc_conditional_register_usage): Allow 64 bit datum into even-odd
13029 register pair only. Allow access for ARCv2 accumulator.
13030 (gen_compare_reg): Whenever we have FPU support use FPU compare
13032 (arc_reorg): Don't generate brcc insns when FPU compare
13033 instructions are involved.
13034 * config/arc/arc.h (TARGET_DPFP): Add TARGET_FP_DPAX condition.
13035 (TARGET_OPTFPE): Add condition when ARC EM can use optimized
13036 floating point emulation.
13037 (ACC_REG_FIRST, ACC_REG_LAST, ACCL_REGNO, ACCH_REGNO): Define.
13038 (REVERSE_CONDITION): Add new CC_FPU* modes.
13039 (TARGET_FP_SP_BASE): Define.
13040 (TARGET_FP_DP_BASE): Likewise.
13041 (TARGET_FP_SP_FUSED): Likewise.
13042 (TARGET_FP_DP_FUSED): Likewise.
13043 (TARGET_FP_SP_CONV): Likewise.
13044 (TARGET_FP_DP_CONV): Likewise.
13045 (TARGET_FP_SP_SQRT): Likewise.
13046 (TARGET_FP_DP_SQRT): Likewise.
13047 (TARGET_FP_DP_AX): Likewise.
13048 * config/arc/arc.md (ARCV2_ACC): New constant.
13049 (type): New fpu type attribute.
13050 (SDF): Conditional iterator.
13051 (cstore<mode>, cbranch<mode>): Change expand condition.
13052 (addsf3, subsf3, mulsf3, adddf3, subdf3, muldf3): New expands,
13053 handles FPU/FPX cases as well.
13054 * config/arc/arc.opt (mfpu): New option.
13055 * config/arc/fpx.md (addsf3_fpx, subsf3_fpx, mulsf3_fpx):
13057 (adddf3, muldf3, subdf3): Removed.
13058 * config/arc/predicates.md (proper_comparison_operator): Recognize
13060 * config/arc/fpu.md: New file.
13061 * doc/invoke.texi (ARC Options): Document mfpu option.
13063 2016-02-16 Richard Biener <rguenther@suse.de>
13065 PR rtl-optimization/69291
13066 * ifcvt.c (noce_try_store_flag_constants): Re-instantiate
13067 noce_operand_ok check.
13069 2016-02-16 Tom de Vries <tom@codesourcery.com>
13072 * omp-low.c (simd_clone_create): Remove call to
13073 symtab->call_cgraph_insertion_hooks.
13075 2016-02-16 Jakub Jelinek <jakub@redhat.com>
13077 PR tree-optimization/69802
13078 * tree-ssa-reassoc.c (update_range_test): If op is
13079 SSA_NAME_IS_DEFAULT_DEF, give up unless tem is a positive
13080 op == 1 test of precision 1 integral op, otherwise handle
13081 that case as op itself. Fix up formatting.
13082 (optimize_range_tests_to_bit_test, optimize_range_tests): Fix
13085 2016-02-16 Richard Biener <rguenther@suse.de>
13087 PR tree-optimization/69586
13088 * tree-vrp.c (register_edge_assert_for_2): Handle all integral
13089 types for conversion sources.
13091 2016-02-16 Richard Biener <rguenther@suse.de>
13093 PR middle-end/69801
13094 * fold-const.c (operand_equal_p): For COND_EXPR zero operand
13095 mask OEP_ADDRESS_OF.
13097 2016-02-16 Alan Modra <amodra@gmail.com>
13100 * config/rs6000/rs6000.md (reload_vsx_from_gprsf): Rewrite splitter.
13101 (p8_mtvsrd_df, p8_mtvsrd_sf): New.
13102 (p8_mtvsrd_1, p8_mtvsrd_2): Delete.
13104 (p8_mtvsrwz_1, p8_mtvsrwz_2): Delete.
13105 (p8_xxpermdi_<mode>): Take two DF inputs rather than one TF.
13106 (p8_fmrgow_<mode>): Likewise.
13107 (reload_vsx_from_gpr<mode>): Make clobber IF. Adjust for above
13109 (reload_fpr_from_gpr<mode>): Similarly. Use "d" for op0 constraint.
13110 (reload_vsx_from_gprsf): Use p8_mtvsrd_sf rather than attempting
13111 to use movdi_internal64. Remove op0_di.
13112 * config/rs6000/vsx.md (vsx_xscvspdpn_directmove): Make op1 SFmode.
13114 2016-02-15 Evandro Menezes <e.menezes@samsung.com>
13116 Add support for the FCCMP insn types
13118 * config/aarch64/aarch64.md (fccmp): Change insn type.
13119 (fccmpe): Likewise.
13120 * config/aarch64/thunderx.md (thunderx_fcmp): Add "fccmp{s,d}" types.
13121 * config/arm/cortex-a53.md (cortex_a53_fpalu): Likewise.
13122 * config/arm/cortex-a57.md (cortex_a57_fp_cmp): Likewise.
13123 * config/arm/xgene1.md (xgene1_fcmp): Likewise.
13124 * config/arm/exynos-m1.md (exynos_m1_fp_ccmp): New insn reservation.
13125 * config/arm/types.md (fccmps): Add new insn type.
13126 (fccmpd): Likewise.
13128 2016-02-15 Bernd Edlinger <bernd.edlinger@hotmail.de>
13130 * alias.c (get_alias_set): Fix a typo in comment.
13132 2016-02-15 Richard Biener <rguenther@suse.de>
13134 PR tree-optimization/69595
13135 * match.pd: Complete range test simplification to true.
13137 2016-02-15 Bernd Schmidt <bschmidt@redhat.com>
13139 PR rtl-optimization/69648
13140 * lra-constraints.c (update_ebb_live_info): Don't remove sets of
13141 pic_offset_table_rtx.
13143 PR rtl-optimization/69752
13144 * ira.c (update_equiv_regs): When looking for more than a single SET,
13145 also take other side effects into account.
13147 2016-02-15 Marcin Kościelnicki <koriakin@0x04.net>
13149 * config/s390/s390.c (s390_function_profiler): Add a new sequence
13150 for z900+ CPUs in 31-bit mode.
13152 2016-02-15 Marcin Kościelnicki <koriakin@0x04.net>
13154 * common/config/s390/s390-common.c (s390_supports_split_stack):
13156 (TARGET_SUPPORTS_SPLIT_STACK): New macro.
13157 * config/s390/s390-protos.h: Add s390_expand_split_stack_prologue.
13158 * config/s390/s390.c (struct machine_function): New field
13159 split_stack_varargs_pointer.
13160 (s390_register_info): Mark r12 as clobbered if it'll be used as temp
13161 in s390_emit_prologue.
13162 (s390_emit_prologue): Use r12 as temp if r1 is taken by split-stack
13164 (morestack_ref): New global.
13165 (SPLIT_STACK_AVAILABLE): New macro.
13166 (s390_expand_split_stack_prologue): New function.
13167 (s390_live_on_entry): New function.
13168 (s390_va_start): Use split-stack vararg pointer if appropriate.
13169 (s390_asm_file_end): Emit the split-stack note sections.
13170 (TARGET_EXTRA_LIVE_ON_ENTRY): New macro.
13171 * config/s390/s390.md (UNSPEC_STACK_CHECK): New unspec.
13172 (UNSPECV_SPLIT_STACK_CALL): New unspec.
13173 (UNSPECV_SPLIT_STACK_DATA): New unspec.
13174 (split_stack_prologue): New expand.
13175 (split_stack_space_check): New expand.
13176 (split_stack_data): New insn.
13177 (split_stack_call): New expand.
13178 (split_stack_call_*): New insn.
13179 (split_stack_cond_call): New expand.
13180 (split_stack_cond_call_*): New insn.
13182 2016-02-15 Richard Biener <rguenther@suse.de>
13184 PR tree-optimization/69783
13185 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
13186 Add trivially correct cases.
13188 2016-02-15 Tom de Vries <tom@codesourcery.com>
13191 * lto-cgraph.c (input_offload_tables): Add and handle bool parameter
13193 * lto-streamer.h (input_offload_tables): Add and handle bool parameter.
13195 2016-02-15 Richard Biener <rguenther@suse.de>
13197 PR tree-optimization/69776
13198 * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
13199 * tree-ssa-sccvn.c (vn_reference_lookup): Add parameter to
13200 indicate whether we can use TBAA to disambiguate against stores.
13201 Use alias-set zero if not.
13202 (visit_reference_op_store): Do not use TBAA when looking up
13204 * tree-ssa-pre.c (compute_avail): Use TBAA here.
13205 (eliminate_dom_walker::before_dom_children): But not when looking
13206 up redundant stores.
13208 2016-02-14 John David Anglin <danglin@gcc.gnu.org>
13210 * config/pa/pa.md (absqi2, absghi2, bswaphi2, bswapsi2, bswapdi2): New.
13212 2016-02-14 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
13214 * config/i386/znver1.md
13215 (znver1_pop, znver1_pop_mem,
13216 znver1_load_imov_double_store,
13217 znver1_load_imov_direct_store,
13218 znver1_load_imov_direct_load,
13219 znver1_load_imov_double_load): Add new.
13220 (znver1_insn, znver1_insn_load): Add icmov type.
13221 (znver1_sseavx_fma,
13222 znver1_sseavx_fma_load,
13224 znver1_avx256_fma_load): Fix pipe usage.
13226 2016-02-14 Alan Modra <amodra@gmail.com>
13229 * reloads.c (find_reloads_address_1): For pre/post-inc/dec
13230 with an invalid hard reg, reload just the reg not the entire
13231 pre/post-inc/dec address expression.
13233 2016-02-13 Oleg Endo <olegendo@gcc.gnu.org>
13236 * config/sh/sh.md (sibcall_value_pcrel): Replace =&k scratch reg with
13237 fixed R1_REG scratch reg.
13238 (sibcall_value_pcrel_fdpic): Likewise.
13240 2016-02-13 Oleg Endo <olegendo@gcc.gnu.org>
13244 * config/sh/sh.md (*zero_extract_3): New insn_and_split pattern.
13246 2016-02-12 Walter Lee <walt@tilera.com>
13248 * config/tilepro/t-tilepro: Replace CC_FOR_BUILD with CXX_FOR_BUILD.
13249 * config/tilegx/t-tilegx: Likewise.
13251 2016-02-12 David Malcolm <dmalcolm@redhat.com>
13254 * diagnostic-show-locus.c (struct line_span): New struct.
13255 (layout::get_first_line): Delete.
13256 (layout::get_last_line): Delete.
13257 (layout::get_num_line_spans): New member function.
13258 (layout::get_line_span): Likewise.
13259 (layout::print_heading_for_line_span_index_p): Likewise.
13260 (layout::get_expanded_location): Likewise.
13261 (layout::calculate_line_spans): Likewise.
13262 (layout::m_first_line): Delete.
13263 (layout::m_last_line): Delete.
13264 (layout::m_line_spans): New field.
13265 (layout::layout): Update comment. Replace m_first_line and
13266 m_last_line with m_line_spans, replacing their initialization
13267 with a call to calculate_line_spans.
13268 (diagnostic_show_locus): When printing source lines and
13269 annotations, rather than looping over a single span
13270 of lines, instead loop over each line_span within
13271 the layout, with an inner loop over the lines within them.
13272 Call the context's start_span callback when changing line spans.
13273 * diagnostic.c (diagnostic_initialize): Initialize start_span.
13274 (diagnostic_build_prefix): Break out the building of the location
13275 part of the string into...
13276 (diagnostic_get_location_text): ...this new function, rewriting
13277 it from nested ternary expressions to a sequence of "if"
13279 (default_diagnostic_start_span_fn): New function.
13280 * diagnostic.h (diagnostic_start_span_fn): New typedef.
13281 (diagnostic_context::start_span): New field.
13282 (default_diagnostic_start_span_fn): New prototype.
13284 2016-02-12 David Malcolm <dmalcolm@redhat.com>
13287 * gcc.c (driver::finalize): Fix cleanup of "specs".
13289 2016-02-12 David Malcolm <dmalcolm@redhat.com>
13293 * gcc.c (driver::driver): Initialize m_option_suggestions.
13294 (driver::~driver): Clean up m_option_suggestions.
13295 (suggest_option): Convert to...
13296 (driver::suggest_option): ...this, and split out into
13297 driver::build_option_suggestions and find_closest_string.
13298 (driver::build_option_suggestions): New function, from
13299 first half of suggest_option. Special-case
13300 OPT_fsanitize_ and OPT_fsanitize_recover_, making use of
13301 the sanitizer_opts array. For options of enum types, add the
13302 various enum values to the candidate strings.
13303 (driver::handle_unrecognized_options): Remove "const".
13304 * gcc.h (driver::handle_unrecognized_options): Likewise.
13305 (driver::build_option_suggestions): New decl.
13306 (driver::suggest_option): New decl.
13307 (driver::m_option_suggestions): New field.
13308 * opts-common.c (add_misspelling_candidates): New function.
13309 * opts.c (sanitizer_opts): Remove decl of struct sanitizer_opts_s
13310 and make non-static.
13311 * opts.h (sanitizer_opts): New array decl.
13312 (add_misspelling_candidates): New function decl.
13313 * spellcheck.c (find_closest_string): New function.
13314 * spellcheck.h (find_closest_string): New function decl.
13316 2016-02-12 Jakub Jelinek <jakub@redhat.com>
13318 PR rtl-optimization/69764
13319 PR rtl-optimization/69771
13320 * optabs.c (expand_binop_directly): For shift_optab_p, force
13321 convert_modes with VOIDmode if xop1 has VOIDmode.
13323 2016-02-12 Ilya Enkovich <enkovich.gnu@gmail.com>
13326 * lto-streamer-out.c (lto_output): Use thunk.add_pointer_bounds_args
13327 to correctly determine instrumentation thunks.
13329 2016-02-12 Jakub Jelinek <jakub@redhat.com>
13332 * ipa-split.c (split_function): If split part returns TREE_ADDRESSABLE
13333 type by reference, force lhs on the call.
13336 * ipa-split.c (split_function): Don't compute/use main_part_return_p.
13337 Compute retval and retbnd early in all cases if split_part_return_p
13338 and return_bb is not EXIT. Remove all clobber stmts and reset
13339 all debug stmts that refer to SSA_NAMEs defined in split part,
13340 except if it is retval, in that case replace the old retval with the
13341 lhs of the call to the split part.
13343 2016-02-12 Kugan Vivekanandarajah <kuganv@linaro.org>
13346 2016-02-12 Kugan Vivekanandarajah <kuganv@linaro.org>
13348 PR middle-end/66726
13349 * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
13350 whose result is used in PHI.
13351 (maybe_optimize_range_tests): Likewise.
13352 (final_range_test_p): Likweise.
13354 2016-02-12 Kugan Vivekanandarajah <kuganv@linaro.org>
13356 PR middle-end/66726
13357 * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
13358 whose result is used in PHI.
13359 (maybe_optimize_range_tests): Likewise.
13360 (final_range_test_p): Likweise.
13362 2016-02-12 Jakub Jelinek <jakub@redhat.com>
13364 * cgraph.c: Spelling fixes - behaviour -> behavior and
13365 neighbour -> neighbor.
13366 * target.def: Likewise.
13367 * sel-sched.c: Likewise.
13368 * config/mips/mips.c: Likewise.
13369 * config/arc/arc.md: Likewise.
13370 * config/arm/cortex-a57.md: Likewise.
13371 * config/arm/arm.c: Likewise.
13372 * config/arm/neon.md: Likewise.
13373 * config/arm/arm-c.c: Likewise.
13374 * config/vms/vms-c.c: Likewise.
13375 * config/s390/s390.c: Likewise.
13376 * config/i386/znver1.md: Likewise.
13377 * config/i386/i386.c: Likewise.
13378 * config/ia64/hpux-unix2003.h: Likewise.
13379 * config/msp430/msp430.md: Likewise.
13380 * config/rx/rx.c: Likewise.
13381 * config/rx/rx.md: Likewise.
13382 * config/aarch64/aarch64-simd.md: Likewise.
13383 * config/aarch64/aarch64.c: Likewise.
13384 * config/nvptx/nvptx.c: Likewise.
13385 * config/bfin/bfin.c: Likewise.
13386 * config/cris/cris.opt: Likewise.
13387 * config/rs6000/rs6000.c: Likewise.
13388 * target.h: Likewise.
13389 * spellcheck.c: Likewise.
13390 * ira-build.c: Likewise.
13391 * tree-inline.c: Likewise.
13392 * builtins.c: Likewise.
13393 * lra-constraints.c: Likewise.
13394 * explow.c: Likewise.
13395 * hwint.h: Likewise.
13396 * targhooks.c: Likewise.
13397 * tree-vect-data-refs.c: Likewise.
13398 * expr.c: Likewise.
13399 * doc/tm.texi: Likewise.
13400 * doc/extend.texi: Likewise.
13401 * doc/install.texi: Likewise.
13402 * doc/md.texi: Likewise.
13403 * tree-ssa-tail-merge.c: Likewise.
13404 * sched-int.h: Likewise.
13405 * match.pd: Likewise.
13406 * sched-ebb.c: Likewise.
13407 * target.def (omit_struct_return_reg): Likewise.
13408 * gimple-ssa-isolate-paths.c: Likewise.
13409 (find_implicit_erroneous_behaviour): Renamed to...
13410 (find_implicit_erroneous_behavior): ... this.
13411 (find_explicit_erroneous_behaviour): Renamed to...
13412 (find_explicit_erroneous_behavior): ... this.
13413 (gimple_ssa_isolate_erroneous_paths): Adjust caller.
13415 2016-02-11 Segher Boessenkool <segher@kernel.crashing.org>
13417 PR rtl-optimization/64682
13418 PR rtl-optimization/69567
13419 PR rtl-optimization/69737
13420 * combine.c (distribute_notes) <REG_DEAD>: If the register is set
13421 in I2 as well, just lose it.
13423 2016-02-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13425 * config/aarch64/aarch64.c (aarch64_last_printed_arch_string):
13427 (aarch64_last_printed_tune_string): Likewise.
13428 (aarch64_declare_function_name): Only output .arch assembler
13429 directive if it will be different from the previously output
13430 directive. Same for .tune comment but only if -dA is set.
13431 (aarch64_start_file): New function.
13432 (TARGET_ASM_FILE_START): Define.
13434 2016-02-11 David Malcolm <dmalcolm@redhat.com>
13437 * Makefile.in (PLUGIN_HEADERS): Add params.list.
13439 2016-02-11 Jakub Jelinek <jakub@redhat.com>
13442 * tree-vect-slp.c (vect_schedule_slp_instance): Avoid
13443 -Wmaybe-uninitialized warning.
13445 2016-02-11 Oleg Endo <olegendo@gcc.gnu.org>
13448 * config/sh/sh.md (casesi_worker_0): Add T_REG use.
13450 2016-02-11 Richard Biener <rguenther@suse.de>
13452 PR rtl-optimization/69291
13453 * ifcvt.c (noce_try_store_flag_constants): Do not allow
13454 subexpressions affected by changing the result.
13456 2016-02-10 Vladimir Makarov <vmakarov@redhat.com>
13459 * lra-constraints.c (curr_insn_transform): Find in/out operands
13460 for secondary memory moves. Update dups.
13462 2016-02-10 Yuri Rumyantsev <ysrumyan@gmail.com>
13464 PR tree-optimization/69652
13465 * tree-vect-loop.c (optimize_mask_stores): Move declaration of STMT1
13466 to nested loop, did source re-formatting, skip debug statements,
13467 add check on statement with volatile operand, remove dead scalar
13470 2016-02-10 Jakub Jelinek <jakub@redhat.com>
13471 Patrick Palka <ppalka@gcc.gnu.org>
13475 * gimplify.c (gimplify_modify_expr): Set lhs even for noreturn
13476 calls if the return type is TREE_ADDRESSABLE.
13477 * cgraphunit.c (cgraph_node::expand_thunk): Likewise.
13478 * ipa-split.c (split_function): Fix doubled "we" in comment.
13479 Use void return type for the split part even if
13480 !split_point->split_part_set_retval.
13482 2016-02-10 Bin Cheng <bin.cheng@arm.com>
13484 PR tree-optimization/68021
13485 * tree-ssa-loop-ivopts.c (get_computation_aff): Set ratio to 1 if
13486 when computing the value of biv cand by itself.
13488 2016-02-10 Wilco Dijkstra <wdijkstr@arm.com>
13490 * config/aarch64/aarch64.c (cortexa53_tunings): Enable AES fusion.
13491 (cortexa57_tunings): Likewise.
13492 (cortexa72_tunings): Likewise.
13493 (arch_macro_fusion_pair_p): Add support for AES fusion.
13494 * config/aarch64/aarch64-fusion-pairs.def: Add AES_AESMC entry.
13495 * config/arm/aarch-common.c (aarch_crypto_can_dual_issue):
13496 Allow virtual registers before reload so early scheduling works.
13497 * config/arm/cortex-a57.md (cortex_a57_crypto_simple): Use
13498 correct latency and pipeline.
13499 (cortex_a57_crypto_complex): Likewise.
13500 (cortex_a57_crypto_xor): Likewise.
13501 (define_bypass): Add AES bypass.
13503 2016-02-10 Richard Biener <rguenther@suse.de>
13505 PR tree-optimization/69726
13506 * passes.def: Add DCE pass before late uninit.
13507 * match.pd: Add A ? B : (!A ? C : X) -> A ? B : C patterns to
13508 really fixup if-conversions job.
13510 2016-02-10 Wilco Dijkstra <wdijkstr@arm.com>
13512 * config/arm/arm.c (arm_cortex_a53_tune): Enable AES fusion.
13513 (arm_cortex_a57_tune): Likewise.
13514 (aarch_macro_fusion_pair_p): Add support for AES fusion.
13515 * config/arm/arm-protos.h (fuse_ops): Add FUSE_AES_AESMC.
13517 2016-02-10 Eric Botcazou <ebotcazou@adacore.com>
13519 * timevar.def (TV_PHASE_DBGINFO): Delete.
13520 (TV_PHASE_CHECK_DBGINFO): Likewise.
13521 * varpool.c (varpool_node::assemble_decl): Do not change timevar.
13523 2016-02-10 Richard Biener <rguenther@suse.de>
13525 PR tree-optimization/69719
13526 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
13527 Adjust previous fix by ensuring that dr_a1 is left of dr_a2.
13529 2016-02-09 Andrew Pinski <apinski@cavium.com>
13532 * optabs-tree.c (expand_vec_cond_expr_p): Don't early return if
13533 get_vcond_mask_icode returns false.
13535 2016-02-09 Michael Meissner <meissner@linux.vnet.ibm.com>
13538 * config/rs6000/predicates.md (fusion_gpr_addis): Prevent fusing
13539 an ADDIS that adds a pointer to a large constant that sets the
13540 upper16 bits with a load operation.
13542 2016-02-09 Charles Baylis <charles.baylis@linaro.org>
13545 * config/arm/arm.c (arm_evpc_neon_vzip): Allow for big endian lane
13547 * config/arm/arm_neon.h (vzipq_s8): Adjust shuffle patterns for big
13549 (vzipq_s16): Likewise.
13550 (vzipq_s32): Likewise.
13551 (vzipq_f32): Likewise.
13552 (vzipq_u8): Likewise.
13553 (vzipq_u16): Likewise.
13554 (vzipq_u32): Likewise.
13555 (vzipq_p8): Likewise.
13556 (vzipq_p16): Likewise.
13558 2016-02-09 Charles Baylis <charles.baylis@linaro.org>
13561 * config/arm/arm.c (neon_endian_lane_map): New function.
13562 (neon_vector_pair_endian_lane_map): New function.
13563 (arm_evpc_neon_vuzp): Allow for big endian lane order.
13564 * config/arm/arm_neon.h (vuzpq_s8): Adjust shuffle patterns for big
13566 (vuzpq_s16): Likewise.
13567 (vuzpq_s32): Likewise.
13568 (vuzpq_f32): Likewise.
13569 (vuzpq_u8): Likewise.
13570 (vuzpq_u16): Likewise.
13571 (vuzpq_u32): Likewise.
13572 (vuzpq_p8): Likewise.
13573 (vuzpq_p16): Likewise.
13575 2016-02-11 Alexandre Oliva <aoliva@redhat.com>
13578 * regstat.c (regstat_bb_compute_calls_crossed): Disregard
13581 2016-02-09 Uros Bizjak <ubizjak@gmail.com>
13583 * config/i386/i386.md (insv<mode>_1): Use gen_int_mode to
13584 truncate const_int operand 1 to QImode.
13586 2016-02-09 Eric Botcazou <ebotcazou@adacore.com>
13588 * gimple-ssa-backprop.c (optimize_phi): Do not replace an argument
13589 corresponding to an abnormal edge.
13591 2016-02-09 Tom de Vries <tom@codesourcery.com>
13593 PR tree-optimization/69599
13594 * tree-ssa-structalias.c (fndecl_maybe_in_other_partition): New
13596 (find_func_aliases_for_builtin_call, find_func_clobbers)
13597 (ipa_pta_execute): Handle case that foo and foo._0 are not in same lto
13600 2016-02-09 Richard Biener <rguenther@suse.de>
13602 PR tree-optimization/69715
13603 * tree-ssa.c (execute_update_addresses_taken): Mark non-decl
13604 LHS on calls as non-rewritable.
13606 2016-02-09 Tom de Vries <tom@codesourcery.com>
13609 * lto-wrapper.c (append_diag_options): New function.
13610 (compile_offload_image): Call append_diag_options.
13612 2016-02-08 Sandra Loosemore <sandra@codesourcery.com>
13615 * doc/extend.texi (Flag Output Operands): Correct sectioning.
13616 Minor copy-edit to fix verb tenses.
13618 2016-02-08 Jakub Jelinek <jakub@redhat.com>
13620 PR tree-optimization/69209
13621 * ipa-split.c (split_function): If split part is not
13622 returning retval, retval has gimple type but is not
13623 gimple value, force it into a SSA_NAME first.
13625 2016-02-08 Nicklas Bo Jensen <nbjensen@gmail.com>
13627 * doc/tree-ssa.texi (Preserving the virtual SSA form): Remove
13630 2016-02-08 Jason Merrill <jason@redhat.com>
13633 * convert.c (convert_to_integer_1): Check dofold on truncation
13635 (convert_to_pointer_maybe_fold, convert_to_real_maybe_fold)
13636 (convert_to_integer_maybe_fold, convert_to_complex_maybe_fold):
13637 Rename from *_nofold.
13638 * convert.h (convert_to_pointer_nofold, convert_to_integer_nofold)
13639 (convert_to_real_nofold, convert_to_complex_nofold): New inlines.
13641 2016-02-08 Bernd Schmidt <bschmidt@redhat.com>
13644 * tree.c (build_common_tree_nodes): Remove short_double argument.
13645 All callers changed.
13646 * tree.h (build_common_tree_nodes): Adjust declaration.
13647 * doc/invoke.texi (-fshort-double): Remove documentation.
13648 * config/mips/t-img-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
13649 MULTILIB_EXCEPTIONS): Remove -fshort-double variant.
13650 * lto-wrapper.c (merge_and_complain, append_compiler_options)
13651 (append_linker_options): Don't handle OPT_fshort_double.
13653 PR rtl-optimization/68730
13654 * lra-remat.c (insn_to_cand_activation): New static variable.
13655 (lra_remat): Allocate and free it.
13656 (create_cand): New arg activation. Initialize a field in
13657 insn_to_cand_activation if it is nonnull.
13658 (create_cands): Pass the activation insn to create_cand when making
13659 a candidate involving an output reload. Reorganize code a little.
13660 (do_remat): Keep track of active status of candidates in a separate
13663 2016-02-08 Richard Biener <rguenther@suse.de>
13665 PR tree-optimization/69719
13666 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
13667 Properly use absolute of the difference of the two offsets to
13668 compare or adjust the segment length.
13670 2016-02-08 Richard Biener <rguenther@suse.de>
13671 Jeff Law <law@redhat.com>
13674 * tree-ssanames.c (make_ssa_name_fn): Always use unqualified
13675 types for anonymous SSA names.
13677 2016-02-08 Richard Biener <rguenther@suse.de>
13679 PR rtl-optimization/69274
13680 * ira.c (ira_setup_alts): Do not change recog_data.operand order.
13682 2016-02-08 Jeff Law <law@redhat.com>
13684 PR tree-optimization/65917
13685 * tree-ssa-dom.c (record_temporary_equivalences): Record both
13686 equivalences from if (x == y) style conditionals.
13687 (loop_depth_of_name): Remove.
13688 (record_equality): Remove loop depth check.
13689 * tree-ssa-scopedtables.h (const_and_copies): Refine comments.
13690 (const_and_copies::record_const_or_copy_raw): New member function.
13691 * tree-ssa-scopedtables.c
13692 (const_and_copies::record_const_or_copy_raw): New, factored out of
13693 (const_and_copies::record_const_or_copy): Call new member function.
13695 2016-02-05 Jeff Law <law@redhat.com>
13697 PR tree-optimization/68541
13698 * gimple-ssa-split-paths.c: Include tree-cfg.h and params.h.
13699 (count_stmts_in_block): New function.
13700 (poor_ifcvt_candidate_code): Likewise.
13701 (is_feasible_trace): Add some heuristics to determine when path
13702 splitting is profitable.
13703 (find_block_to_duplicate_for_splitting_paths): Make sure the graph
13704 is a diamond with a single exit.
13706 2016-02-05 Martin Sebor <msebor@redhat.com>
13709 * doc/invoke.texi: Update -Wplacement-new to take an optional
13712 2016-02-06 Richard Henderson <rth@redhat.com>
13715 * tree.c (tree_nop_conversion_p): Do not strip casts into or
13716 out of non-standard address spaces.
13718 2016-02-05 Jakub Jelinek <jakub@redhat.com>
13720 PR rtl-optimization/69691
13721 * lra-eliminations.c (move_plus_up): Don't add the addend twice.
13723 2016-02-05 Pat Haugen <pthaugen@us.ibm.com>
13725 * config/rs6000/crypto.md (crypto_vpermxor_<mode>): Correct insn type.
13726 * config/rs6000/rs6000.md (mov<mode>_hardfloat): Likewise.
13727 (*ieee128_mfvsrd_64bit): Likewise.
13728 (*ieee128_mfvsrd_32bit): Likewise.
13730 2016-02-05 Ilya Enkovich <enkovich.gnu@gmail.com>
13734 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
13736 * cgraphunit.c (cgraph_node::reset): Clear thunk info and
13737 instrumented_version.
13739 2016-01-05 Jeremy Bennett <jeremy.bennett@embecosm.com>
13741 * doc/invoke.texi (Optimize Options): In table of --param options
13742 rename second occurrence of tracer-min-branch-ratio to
13743 tracer-min-branch-probability, rename
13744 tracer-min-branch-ratio-feedback to
13745 tracer-min-branch-probability-feedback and clarify description,
13746 rename sched-spec-state-edge-prob-cutoff to
13747 sched-state-edge-prob-cutoff, rename selsched-max-insns-to-rename
13748 to selsched-insns-to-rename, rename lto-minpartition to
13749 lto-min-partition, delete reorder-blocks-duplicate and
13750 reorder-blocks-duplicate-feedback.
13752 2016-02-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
13754 * config/s390/s390.c (s390_register_info_set_ranges): Remove
13757 2016-02-05 Dominik Vogt <vogt@linux.vnet.ibm.com>
13759 * doc/extend.texi: S/390: Correct some typos.
13761 2016-02-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
13763 * config/s390/s390.c (s390_emit_call): Add missing 64 bit check.
13765 2016-02-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
13768 * config/s390/s390.c (SAVE_SLOT_NONE, SAVE_SLOT_STACK): New defines.
13769 (s390_register_info_gprtofpr): Use new macros above.
13770 (s390_register_info_stdarg_fpr): Adjust max_fpr to better match
13772 (s390_register_info_stdarg_gpr): Adjust max_gpr to better match
13773 its name. Adjust restore and save gpr ranges.
13774 (s390_register_info_set_ranges): New function.
13775 (s390_register_info): Use new macros above. Call
13776 s390_register_info_set_ranges.
13777 (s390_optimize_register_info): Likewise.
13778 (s390_hard_regno_rename_ok): Use new macros.
13779 (s390_hard_regno_scratch_ok): Likewise.
13780 (s390_emit_epilogue): Likewise.
13781 (s390_can_use_return_insn): Likewise.
13782 (s390_optimize_prologue): Likewise.
13783 * config/s390/s390.md (GPR2_REGNUM, GPR6_REGNUM): New constants.
13785 2016-02-05 Jakub Jelinek <jakub@redhat.com>
13788 * config/i386/i386.c (convert_scalars_to_vector): Readd stack
13790 (ix86_option_override_internal): Disable TARGET_STV even for
13791 -m{incoming,preferred}-stack-boundary=3.
13793 2016-02-03 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
13795 * config.gcc: Mark deprecated rtems targets as obsolete.
13797 2016-02-04 Segher Boessenkool <segher@kernel.crashing.org>
13799 PR rtl-optimization/64682
13800 PR rtl-optimization/69567
13801 * combine.c (distribute_notes) <REG_DEAD>: Place the death note
13802 before I2 only if the register is both used and set in I2.
13804 2016-02-04 DJ Delorie <dj@redhat.com>
13806 * config/msp430/msp430.c (msp430_start_function): Add function type.
13808 2016-02-04 Jakub Jelinek <jakub@redhat.com>
13811 * tree-dfa.c (get_ref_base_and_extent): Remove unreachable code.
13813 2016-02-04 Uros Bizjak <ubizjak@gmail.com>
13815 PR rtl-optimization/69577
13817 2015-10-29 Richard Henderson <rth@redhat.com>
13821 * config/i386/i386.c (ix86_cannot_change_mode_class): Tighten
13822 sse check to the exact conditions of PR 67609.
13824 2016-02-04 Michael Meissner <meissner@linux.vnet.ibm.com>
13827 * config/rs6000/rs6000.md (mov<mode>_64bit_dm): Use 'd' constraint
13828 instead of 'ws', and 'wh' instead of 'wm' since TFmode/IFmode are
13829 not allowed into the traditional Altivec registers.
13830 (movtd_64bit_nodm): Likewise.
13831 (mov<mode>_32bit, FMOVE128_FPR iterator): Likewise.
13833 2016-02-04 David Malcolm <dmalcolm@redhat.com>
13835 * config/aarch64/cortex-a57-fma-steering.c
13836 (aarch64_register_fma_steering): Remove "static" from arguments
13839 2016-02-04 Wilco Dijkstra <wdijkstr@arm.com>
13842 * ccmp.c (expand_ccmp_expr_1): Avoid evaluating gs0/gs1
13843 twice when complex.
13845 2016-02-04 Mike Frysinger <vapier@gentoo.org>
13847 * doc/invoke.texi: Delete -mno-fma4.
13849 2016-02-04 Richard Sandiford <richard.sandiford@arm.com>
13851 PR rtl-optimization/69577
13852 * reginfo.c (record_subregs_of_mode): Add a partial_def parameter.
13853 (find_subregs_of_mode): Update accordingly. Iterate over partial
13856 2016-02-04 Alan Lawrence <alan.lawrence@arm.com>
13858 * config/arm/arm-protos.h (neon_reinterpret): Remove.
13859 * config/arm/arm.c (neon_reinterpret): Remove.
13860 * config/arm/arm_neon_builtins.def (vreinterpretv8qi, vreinterpretv4hi,
13861 vreinterpretv2si, vreinterpretv2sf, vreinterpretdi, vreinterpretv16qi,
13862 vreinterpretv8hi, vreinterpretv4si, vreinterpretv4sf, vreinterpretv2di,
13863 vreinterpretti): Remove.
13864 * config/arm/neon.md (neon_vreinterpretv8qi<mode>,
13865 neon_vreinterpretv4hi<mode>, neon_vreinterpretv2si<mode>,
13866 neon_vreinterpretv2sf<mode>, neon_vreinterpretdi<mode>,
13867 neon_vreinterpretti<mode>, neon_vreinterpretv16qi<mode>,
13868 neon_vreinterpretv8hi<mode>, neon_vreinterpretv4si<mode>,
13869 neon_vreinterpretv4sf<mode>, neon_vreinterpretv2di<mode>): Remove.
13870 * config/arm/arm_neon.h (vreinterpret_p8_p16, vreinterpret_p8_f32,
13871 vreinterpret_p8_p64, vreinterpret_p8_s64, vreinterpret_p8_u64,
13872 vreinterpret_p8_s8, vreinterpret_p8_s16, vreinterpret_p8_s32,
13873 vreinterpret_p8_u8, vreinterpret_p8_u16, vreinterpret_p8_u32,
13874 vreinterpret_p16_p8, vreinterpret_p16_f32, vreinterpret_p16_p64,
13875 vreinterpret_p16_s64, vreinterpret_p16_u64, vreinterpret_p16_s8,
13876 vreinterpret_p16_s16, vreinterpret_p16_s32, vreinterpret_p16_u8,
13877 vreinterpret_p16_u16, vreinterpret_p16_u32, vreinterpret_f32_p8,
13878 vreinterpret_f32_p16, vreinterpret_f32_p64, vreinterpret_f32_s64,
13879 vreinterpret_f32_u64, vreinterpret_f32_s8, vreinterpret_f32_s16,
13880 vreinterpret_f32_s32, vreinterpret_f32_u8, vreinterpret_f32_u16,
13881 vreinterpret_f32_u32, vreinterpret_p64_p8, vreinterpret_p64_p16,
13882 vreinterpret_p64_f32, vreinterpret_p64_s64, vreinterpret_p64_u64,
13883 vreinterpret_p64_s8, vreinterpret_p64_s16, vreinterpret_p64_s32,
13884 vreinterpret_p64_u8, vreinterpret_p64_u16, vreinterpret_p64_u32,
13885 vreinterpret_s64_p8, vreinterpret_s64_p16, vreinterpret_s64_f32,
13886 vreinterpret_s64_p64, vreinterpret_s64_u64, vreinterpret_s64_s8,
13887 vreinterpret_s64_s16, vreinterpret_s64_s32, vreinterpret_s64_u8,
13888 vreinterpret_s64_u16, vreinterpret_s64_u32, vreinterpret_u64_p8,
13889 vreinterpret_u64_p16, vreinterpret_u64_f32, vreinterpret_u64_p64,
13890 vreinterpret_u64_s64, vreinterpret_u64_s8, vreinterpret_u64_s16,
13891 vreinterpret_u64_s32, vreinterpret_u64_u8, vreinterpret_u64_u16,
13892 vreinterpret_u64_u32, vreinterpret_s8_p8, vreinterpret_s8_p16,
13893 vreinterpret_s8_f32, vreinterpret_s8_p64, vreinterpret_s8_s64,
13894 vreinterpret_s8_u64, vreinterpret_s8_s16, vreinterpret_s8_s32,
13895 vreinterpret_s8_u8, vreinterpret_s8_u16, vreinterpret_s8_u32,
13896 vreinterpret_s16_p8, vreinterpret_s16_p16, vreinterpret_s16_f32,
13897 vreinterpret_s16_p64, vreinterpret_s16_s64, vreinterpret_s16_u64,
13898 vreinterpret_s16_s8, vreinterpret_s16_s32, vreinterpret_s16_u8,
13899 vreinterpret_s16_u16, vreinterpret_s16_u32, vreinterpret_s32_p8,
13900 vreinterpret_s32_p16, vreinterpret_s32_f32, vreinterpret_s32_p64,
13901 vreinterpret_s32_s64, vreinterpret_s32_u64, vreinterpret_s32_s8,
13902 vreinterpret_s32_s16, vreinterpret_s32_u8, vreinterpret_s32_u16,
13903 vreinterpret_s32_u32, vreinterpret_u8_p8, vreinterpret_u8_p16,
13904 vreinterpret_u8_f32, vreinterpret_u8_p64, vreinterpret_u8_s64,
13905 vreinterpret_u8_u64, vreinterpret_u8_s8, vreinterpret_u8_s16,
13906 vreinterpret_u8_s32, vreinterpret_u8_u16, vreinterpret_u8_u32,
13907 vreinterpret_u16_p8, vreinterpret_u16_p16, vreinterpret_u16_f32,
13908 vreinterpret_u16_p64, vreinterpret_u16_s64, vreinterpret_u16_u64,
13909 vreinterpret_u16_s8, vreinterpret_u16_s16, vreinterpret_u16_s32,
13910 vreinterpret_u16_u8, vreinterpret_u16_u32, vreinterpret_u32_p8,
13911 vreinterpret_u32_p16, vreinterpret_u32_f32, vreinterpret_u32_p64,
13912 vreinterpret_u32_s64, vreinterpret_u32_u64, vreinterpret_u32_s8,
13913 vreinterpret_u32_s16, vreinterpret_u32_s32, vreinterpret_u32_u8,
13914 vreinterpret_u32_u16, vreinterpretq_p8_p16, vreinterpretq_p8_f32,
13915 vreinterpretq_p8_p64, vreinterpretq_p8_p128, vreinterpretq_p8_s64,
13916 vreinterpretq_p8_u64, vreinterpretq_p8_s8, vreinterpretq_p8_s16,
13917 vreinterpretq_p8_s32, vreinterpretq_p8_u8, vreinterpretq_p8_u16,
13918 vreinterpretq_p8_u32, vreinterpretq_p16_p8, vreinterpretq_p16_f32,
13919 vreinterpretq_p16_p64, vreinterpretq_p16_p128, vreinterpretq_p16_s64,
13920 vreinterpretq_p16_u64, vreinterpretq_p16_s8, vreinterpretq_p16_s16,
13921 vreinterpretq_p16_s32, vreinterpretq_p16_u8, vreinterpretq_p16_u16,
13922 vreinterpretq_p16_u32, vreinterpretq_f32_p8, vreinterpretq_f32_p16,
13923 vreinterpretq_f32_p64, vreinterpretq_f32_p128, vreinterpretq_f32_s64,
13924 vreinterpretq_f32_u64, vreinterpretq_f32_s8, vreinterpretq_f32_s16,
13925 vreinterpretq_f32_s32, vreinterpretq_f32_u8, vreinterpretq_f32_u16,
13926 vreinterpretq_f32_u32, vreinterpretq_p64_p8, vreinterpretq_p64_p16,
13927 vreinterpretq_p64_f32, vreinterpretq_p64_p128, vreinterpretq_p64_s64,
13928 vreinterpretq_p64_u64, vreinterpretq_p64_s8, vreinterpretq_p64_s16,
13929 vreinterpretq_p64_s32, vreinterpretq_p64_u8, vreinterpretq_p64_u16,
13930 vreinterpretq_p64_u32, vreinterpretq_p128_p8, vreinterpretq_p128_p16,
13931 vreinterpretq_p128_f32, vreinterpretq_p128_p64, vreinterpretq_p128_s64,
13932 vreinterpretq_p128_u64, vreinterpretq_p128_s8, vreinterpretq_p128_s16,
13933 vreinterpretq_p128_s32, vreinterpretq_p128_u8, vreinterpretq_p128_u16,
13934 vreinterpretq_p128_u32, vreinterpretq_s64_p8, vreinterpretq_s64_p16,
13935 vreinterpretq_s64_f32, vreinterpretq_s64_p64, vreinterpretq_s64_p128,
13936 vreinterpretq_s64_u64, vreinterpretq_s64_s8, vreinterpretq_s64_s16,
13937 vreinterpretq_s64_s32, vreinterpretq_s64_u8, vreinterpretq_s64_u16,
13938 vreinterpretq_s64_u32, vreinterpretq_u64_p8, vreinterpretq_u64_p16,
13939 vreinterpretq_u64_f32, vreinterpretq_u64_p64, vreinterpretq_u64_p128,
13940 vreinterpretq_u64_s64, vreinterpretq_u64_s8, vreinterpretq_u64_s16,
13941 vreinterpretq_u64_s32, vreinterpretq_u64_u8, vreinterpretq_u64_u16,
13942 vreinterpretq_u64_u32, vreinterpretq_s8_p8, vreinterpretq_s8_p16,
13943 vreinterpretq_s8_f32, vreinterpretq_s8_p64, vreinterpretq_s8_p128,
13944 vreinterpretq_s8_s64, vreinterpretq_s8_u64, vreinterpretq_s8_s16,
13945 vreinterpretq_s8_s32, vreinterpretq_s8_u8, vreinterpretq_s8_u16,
13946 vreinterpretq_s8_u32, vreinterpretq_s16_p8, vreinterpretq_s16_p16,
13947 vreinterpretq_s16_f32, vreinterpretq_s16_p64, vreinterpretq_s16_p128,
13948 vreinterpretq_s16_s64, vreinterpretq_s16_u64, vreinterpretq_s16_s8,
13949 vreinterpretq_s16_s32, vreinterpretq_s16_u8, vreinterpretq_s16_u16,
13950 vreinterpretq_s16_u32, vreinterpretq_s32_p8, vreinterpretq_s32_p16,
13951 vreinterpretq_s32_f16, vreinterpretq_s32_f32, vreinterpretq_s32_p64,
13952 vreinterpretq_s32_p128, vreinterpretq_s32_s64, vreinterpretq_s32_u64,
13953 vreinterpretq_s32_s8, vreinterpretq_s32_s16, vreinterpretq_s32_u8,
13954 vreinterpretq_s32_u16, vreinterpretq_s32_u32, vreinterpretq_u8_p8,
13955 vreinterpretq_u8_p16, vreinterpretq_u8_f32, vreinterpretq_u8_p64,
13956 vreinterpretq_u8_p128, vreinterpretq_u8_s64, vreinterpretq_u8_u64,
13957 vreinterpretq_u8_s8, vreinterpretq_u8_s16, vreinterpretq_u8_s32,
13958 vreinterpretq_u8_u16, vreinterpretq_u8_u32, vreinterpretq_u16_p8,
13959 vreinterpretq_u16_p16, vreinterpretq_u16_f32, vreinterpretq_u16_p64,
13960 vreinterpretq_u16_p128, vreinterpretq_u16_s64, vreinterpretq_u16_u64,
13961 vreinterpretq_u16_s8, vreinterpretq_u16_s16, vreinterpretq_u16_s32,
13962 vreinterpretq_u16_u8, vreinterpretq_u16_u32, vreinterpretq_u32_p8,
13963 vreinterpretq_u32_p16, vreinterpretq_u32_f32, vreinterpretq_u32_p64,
13964 vreinterpretq_u32_p128, vreinterpretq_u32_s64, vreinterpretq_u32_u64,
13965 vreinterpretq_u32_s8, vreinterpretq_u32_s16, vreinterpretq_u32_s32,
13966 vreinterpretq_u32_u8, vreinterpretq_u32_u16): Rewrite using casts.
13968 2016-02-04 Martin Liska <mliska@suse.cz>
13971 * asan.c (has_stmt_been_instrumented_p): Instrument gimple calls
13972 that are gimple_store_p.
13973 (maybe_instrument_call): Likewise.
13975 2016-02-04 Bin Cheng <bin.cheng@arm.com>
13977 * config/aarch64/aarch64.c (aarch64_legitimize_address): Force
13978 register scaling out of memory reference and comment why.
13980 2016-02-04 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13984 * cse.c (cse_insn): Pass NULL to fold_rtx when initially
13985 folding the source of a SET.
13987 2016-02-04 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13991 * config/arm/arm.c (arm_new_rtx_costs, MULT case): Properly extract
13992 the operands of the SIGN_EXTENDs from a SMUL[TB][TB] rtx.
13994 2016-02-04 Jim Wilson <jim.wilson@linaro.org>
13998 * config/arm/arm.h (PROMOTE_MODE): Don't set UNSIGNEDP for QImode and
14001 2016-02-04 Christian Bruel <christian.bruel@st.com>
14003 * config/arm/arm-c.c (arm_reset_previous_fndecl): Style fix and typo.
14004 * config/arm/arm.c (arm_set_current_function): Likewise.
14006 2016-02-04 Jakub Jelinek <jakub@redhat.com>
14007 Ilya Enkovich <enkovich.gnu@gmail.com>
14008 H.J. Lu <hongjiu.lu@intel.com>
14011 * config/i386/i386.c (convert_scalars_to_vector): Remove
14012 stack alignment fixes.
14013 (ix86_option_override_internal): Disable TARGET_STV if stack
14014 might not be aligned enough.
14015 (ix86_minimum_alignment): Assert that TARGET_STV is false.
14017 2016-02-04 Victoria Stepanyan <victoria.stepanyan@amd.com>
14019 * config/i386/x86-tune.def: Disable default prefetching
14022 2016-02-03 Michael Meissner <meissner@linux.vnet.ibm.com>
14023 Vladimir Makarov <vmakarov@redhat.com>
14026 * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Fix thinko
14027 in validating fused toc addresses.
14029 2016-02-03 Jakub Jelinek <jakub@redhat.com>
14032 * diagnostic-show-locus.c (layout::get_state_at_point): Don't read
14033 range->m_caret fields if range->m_show_caret_p is false.
14036 * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
14037 Force oldval into register if it does not satisfy reg_or_short_operand
14038 predicate. Fix up formatting.
14040 2016-02-03 Vladimir Makarov <vmakarov@redhat.com>
14041 Alexandre Oliva <aoliva@redhat.com>
14044 * lra-constraints.c (simplify_operand_subreg): Check additionally
14045 address validity after potential reloading.
14046 (process_address_1): Check insns validity. In case of failure do
14049 2016-02-03 Kirill Yukhin <kirill.yukhin@intel.com>
14052 * config/i386/sse.md (define_insn "avx512f_maskcmp<mode>3"):
14055 2016-02-02 Jakub Jelinek <jakub@redhat.com>
14057 * wide-int.cc (canonize_uhwi): New function.
14058 (wi::divmod_internal): Use it.
14060 2016-02-02 James Norris <jnorris@codesourcery.com
14062 * gimplify.c (omp_notice_variable): Add usage check.
14064 2016-02-02 Alexander Monakov <amonakov@ispras.ru>
14066 * config/nvptx/nvptx.c (nvptx_print_operand): Treat LEU, GEU, LTU, GTU
14067 like LE, GE, LT, GT when emitting relational operator.
14069 2016-02-02 Wilco Dijkstra <wdijkstr@arm.com>
14071 * ira-costs.c (find_costs_and_classes): Add extra argument.
14072 * target.def (ira_change_pseudo_allocno_class): Add parameter.
14073 * targhooks.h (ira_change_pseudo_allocno_class): Likewise.
14074 * targhooks.c (ira_change_pseudo_allocno_class): Likewise.
14075 * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class)
14076 Add best_class parameter, and return it if not ALL_REGS.
14077 * config/mips/mips.c (mips_ira_change_pseudo_allocno_class):
14079 * doc/tm.texi (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS):
14080 Update target hook.
14082 2016-02-02 Wilco Dijkstra <wdijkstr@arm.com>
14084 * config/aarch64/aarch64.c
14085 (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): New define.
14086 (aarch64_ira_change_pseudo_allocno_class): New function.
14088 2016-02-02 Uros Bizjak <ubizjak@gmail.com>
14091 * config/i386/i386.c (geode_cost): Increase cost of MMX and SSE moves.
14093 2016-02-02 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
14095 * config/avr/avr.c (avr_option_override): Set
14096 PARAM_ALLOW_STORE_DATA_RACES to 1.
14098 2016-02-02 Richard Biener <rguenther@suse.de>
14100 PR tree-optimization/69595
14101 * match.pd: Add range test simplifications to true/false.
14103 2016-02-02 Thomas Schwinge <thomas@codesourcery.com>
14105 * omp-builtins.def (BUILT_IN_GOACC_HOST_DATA): Remove.
14106 * omp-low.c (expand_omp_target): Use BUILT_IN_GOACC_DATA_START
14109 2016-02-02 Richard Biener <rguenther@suse.de>
14111 PR tree-optimization/69606
14112 * tree-ssa-math-opts.c (bswap_replace): Clear flow sensitive
14113 info on the result before moving a stmt.
14115 2016-02-02 Yuri Rumyantsev <ysrumyan@gmail.com>
14117 PR middle-end/68542
14118 * config/i386/i386.c (ix86_expand_branch): Add support for conditional
14119 branch with vector comparison.
14120 * config/i386/sse.md (VI48_AVX): New mode iterator.
14121 (define_expand "cbranch<mode>4): Add support for conditional branch
14122 with vector comparison.
14123 * tree-vect-loop.c (optimize_mask_stores): New function.
14124 * tree-vect-stmts.c (vectorizable_mask_load_store): Initialize
14125 has_mask_store field of vect_info.
14126 * tree-vectorizer.c (vectorize_loops): Invoke optimaze_mask_stores for
14127 vectorized loops having masked stores after vec_info destroy.
14128 * tree-vectorizer.h (loop_vec_info): Add new has_mask_store field and
14129 correspondent macros.
14130 (optimize_mask_stores): Add prototype.
14132 2016-02-02 Alan Modra <amodra@gmail.com>
14135 * config/rs6000/predicates.md (quad_int_reg_operand): Don't
14138 2016-02-02 Alan Modra <amodra@gmail.com>
14141 * config/rs6000/rs6000.c (need_toc_init): New var, set it
14142 whenever toc_label_name used.
14143 (rs6000_file_start): Don't set up toc section here,
14144 (rs6000_output_function_epilogue): do so here instead,
14145 (rs6000_xcoff_file_start): and here.
14146 * config/rs6000/rs6000.md (load_toc_aix_si): Set need_toc_init.
14147 (load_toc_aix_di): Likewise.
14149 2016-02-01 Jakub Jelinek <jakub@redhat.com>
14151 PR rtl-optimization/69592
14152 * rtlanal.c (nonzero_bits_binary_arith_p): New inline function.
14153 (cached_nonzero_bits): Use it instead of ARITHMETIC_P.
14154 (num_sign_bit_copies_binary_arith_p): New inline function.
14155 (cached_num_sign_bit_copies): Use it instead of ARITHMETIC_P.
14157 2016-02-01 Jeff Law <law@redhat.com>
14159 PR tree-optimization/69580
14160 * params.def (FSM_MAXIMUM_PHI_ARGUMENTS): New param.
14161 * tree-ssa-threadbackward.c
14162 (fsm_find_control_statement_thread_paths): Do not try to walk
14163 through large PHI nodes.
14165 2016-02-01 Jakub Jelinek <jakub@redhat.com>
14167 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return false
14168 when count is incremented above limit, don't analyze further
14171 * omp-low.c (oacc_parse_default_dims): Avoid
14172 -Wsign-compare warning, make sure value fits into int
14173 rather than just unsigned int.
14175 2016-02-01 Bin Cheng <bin.cheng@arm.com>
14177 PR tree-optimization/67921
14178 * fold-const.c (split_tree): New parameters. Convert pointer
14179 type variable part to proper type before negating.
14180 (fold_binary_loc): Pass new arguments to split_tree.
14182 2016-02-01 Nathan Sidwell <nathan@codesourcery.com>
14184 * config/nvptx/nvptx.c (PTX_GANG_DEFAULT): New.
14185 (nvptx_goacc_validate_dims): Extend to handle global defaults.
14186 * target.def (OACC_VALIDATE_DIMS): Extend documentation.
14187 * doc/tm.texti: Rebuilt.
14188 * doc/invoke.texi (fopenacc-dim): Document.
14189 * lto-wrapper.c (merge_and_complain): Add OPT_fopenacc_dim_ case.
14190 (append_compiler_options): Likewise.
14191 * omp-low.c (oacc_default_dims, oacc_min_dims): New.
14192 (oacc_parse_default_dims): New.
14193 (oacc_validate_dims): Add USED arg. Select non-unity default when
14195 (oacc_loop_fixed_partitions): Return mask of used partitions.
14196 (oacc_loop_auto_partitions): Emit dump info.
14197 (oacc_loop_partition): Return mask of used partitions.
14198 (execute_oacc_device_lower): Parse default dimension arg. Adjust
14199 loop partitioning and validation calls.
14201 2016-02-01 Richard Biener <rguenther@suse.de>
14203 PR middle-end/69556
14204 * match.pd: Guard (C1/X)*C2 -> (C1*C2)/X with single_use.
14206 2016-02-01 Richard Biener <rguenther@suse.de>
14208 PR tree-optimization/69574
14209 * tree-chrec.c (hide_evolution_in_other_loops_than_loop): Instead
14210 of asserting return chrec_dont_know.
14212 2016-02-01 Martin Liska <mliska@suse.cz>
14214 * mem-stats-traits.h: Add copyright header.
14215 * mem-stats.h: Likewise.
14217 2016-02-01 Richard Biener <rguenther@suse.de>
14219 PR tree-optimization/69579
14220 * tree-ssa-loop-ivcanon.c (propagate_constants_for_unrolling):
14221 Do not propagate through abnormal PHI results.
14223 2016-02-01 Eric Botcazou <ebotcazou@adacore.com>
14225 * postreload.c (reload_cse_simplify): Remove dead code.
14227 2016-02-01 Jakub Jelinek <jakub@redhat.com>
14229 PR rtl-optimization/69570
14230 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return true only
14231 if there is more than one set, not if there is a single set.
14233 2016-02-01 Richard Henderson <rth@redhat.com>
14236 * combine.c (make_compound_operation): When looking through a
14237 subreg, make sure to re-extend to the width of the outer mode.
14239 2016-01-30 Jakub Jelinek <jakub@redhat.com>
14241 PR tree-optimization/69546
14242 * wide-int.cc (wi::divmod_internal): For unsigned division
14243 where both operands fit into uhwi, if o1 is 1 and o0 has
14244 msb set, if divident_prec is larger than bits per hwi,
14245 clear another quotient word and return 2 instead of 1.
14246 Similarly for remainder with msb in HWI set, if dividend_prec
14247 is larger than bits per hwi.
14249 2016-01-29 Martin Jambor <mjambor@suse.cz>
14251 * hsa-gen.c (get_memory_order_name): Mask with MEMMODEL_BASE_MASK.
14252 Use short lowercase names.
14253 (get_memory_order): Mask with MEMMODEL_BASE_MASK. Support
14254 MEMMODEL_CONSUME with acquire semantics and MEMMODEL_SEQ_CST with
14255 acq_rel one. Protect warning agains segfaults if
14256 get_memory_order_name returns NULL.
14257 (gen_hsa_ternary_atomic_for_builtin): Support with MEMMODEL_SEQ_CST
14258 with release semantics. Do not warn if get_memory_order already did.
14259 (gen_hsa_insns_for_call): Support with MEMMODEL_SEQ_CST with acquire
14260 semantics. Fix check for relaxed or acquire semantics. Do not warn
14261 if get_memory_order already did.
14263 2016-01-29 Sebastian Pop <s.pop@samsung.com>
14265 * doc/install.texi: Document that isl-0.16 is supported.
14267 2016-01-29 Vladimir Makarov <vmakarov@redhat.com>
14270 * config/i386/constraints.md (Bm): Describe as special memory
14272 * doc/md.texi (DEFINE_SPECIAL_MEMORY_CONSTRAINT): Describe it.
14273 * genoutput.c (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
14274 * genpreds.c (struct constraint_data): Add is_special_memory.
14275 (have_special_memory_constraints, special_memory_start): New
14277 (special_memory_end): Ditto.
14278 (add_constraint): Add new arg is_special_memory. Add code to
14279 process its true value. Update have_special_memory_constraints.
14280 (process_define_constraint): Pass the new arg.
14281 (process_define_register_constraint): Ditto.
14282 (choose_enum_order): Process special memory.
14283 (write_tm_preds_h): Generate enum const CT_SPECIAL_MEMORY and
14284 function insn_extra_special_memory_constraint.
14285 (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
14286 * gensupport.c (process_rtx): Process
14287 DEFINE_SPECIAL_MEMORY_CONSTRAINT.
14288 * ira-costs.c (record_reg_classes): Process CT_SPECIAL_MEMORY.
14289 * ira-lives.c (single_reg_class): Use
14290 insn_extra_special_memory_constraint.
14291 * ira.c (ira_setup_alts): Process CT_SPECIAL_MEMORY.
14292 * lra-constraints.c (process_alt_operands): Ditto.
14293 (curr_insn_transform): Use insn_extra_special_memory_constraint.
14294 * recog.c (asm_operand_ok, preprocess_constraints): Process
14296 * reload.c (find_reloads): Ditto.
14297 * rtl.def (DEFINE_SPECIFAL_MEMORY_CONSTRAINT): New.
14298 * stmt.c (parse_input_constraint): Use
14299 insn_extra_special_memory_constraint.
14301 2016-01-29 H.J. Lu <hongjiu.lu@intel.com>
14304 * lra-splill.c (lra_final_code_change): Revert r229087 by
14305 removing all sub-registers.
14307 2016-01-29 Steve Ellcey <sellcey@imgtec.com>
14310 * config/mips/mips.c (mips_output_division): Check flag_delayed_branch.
14312 2016-01-29 Jakub Jelinek <jakub@redhat.com>
14315 * config/i386/i386.c (ix86_expand_vector_set) <case V4SImode>: For
14316 SSE1, copy target into the temporary reg first before recursing
14319 2016-01-29 H.J. Lu <hongjiu.lu@intel.com>
14321 * config/i386/sse.md (sse2_cvtps2pd<mask_name>): Replace vBm
14324 2016-01-29 Jonathan Wakely <jwakely@redhat.com>
14326 * ginclude/stdarg.h: Test __cplusplus instead of
14327 __GXX_EXPERIMENTAL_CXX0X__.
14329 2016-01-29 Richard Biener <rguenther@suse.de>
14331 PR tree-optimization/69547
14332 * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
14333 Do not mark clobbers necessary.
14334 (mark_all_reaching_defs_necessary_1): Likewise.
14336 2016-01-29 Dominik Vogt <vogt@linux.vnet.ibm.com>
14338 * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Format
14339 declaration name with %qs and print it in both error messages.
14340 Also fix indentation.
14342 2016-01-29 Dominik Vogt <vogt@linux.vnet.ibm.com>
14345 * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Remove
14346 trailing blank line from error message.
14348 2016-01-29 Jonathan Wakely <jwakely@redhat.com>
14351 * ginclude/float.h: Also provide FLT_EVAL_METHOD and DECIMAL_DIG
14354 2016-01-29 Richard Biener <rguenther@suse.de>
14356 PR middle-end/69537
14357 * match.pd: Allow all integral types when simplifying a
14358 widening or sign-changing conversion.
14360 2016-01-28 Sebastian Pop <s.pop@samsung.com>
14362 * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Revert assert
14363 back to setting codegen_error to fail codegen.
14365 2016-01-28 Uros Bizjak <ubizjak@gmail.com>
14368 * config/i386/constraints.md (C): Only accept constant zero operand.
14369 (BC): New constraint.
14370 * config/i386/sse.md (*mov<mode>_internal): Use BC constraint
14371 instead of C constraint.
14372 * doc/md.texi (Machine Constraints): Update description
14375 2016-01-28 Steve Ellcey <sellcey@imgtec.com>
14378 * config/mips/mips.c (and_operands_ok): Add MIPS16 check.
14380 2016-01-28 Jakub Jelinek <jakub@redhat.com>
14382 PR middle-end/69542
14383 * lra-remat.c (calculate_local_reg_remat_bb_data): Only consider
14386 2016-01-28 Pat Haugen <pthaugen@us.ibm.com>
14388 * config/rs6000/rs6000.c (output_cbranch): Don't statically predict
14389 branches if using guessed profile.
14391 2016-01-28 H.J. Lu <hongjiu.lu@intel.com>
14393 * graphite-optimize-isl.c (optimize_isl): Fix dump.
14395 2016-01-28 Richard Henderson <rth@redhat.com>
14398 * config/aarch64/aarch64-modes.def (CC_Cmode): New
14399 * config/aarch64/aarch64-protos.h: Update.
14400 * config/aarch64/aarch64.c (aarch64_zero_extend_const_eq): New.
14401 (aarch64_select_cc_mode): Add check for use of CC_Cmode.
14402 (aarch64_get_condition_code_1): Handle CC_Cmode.
14403 * config/aarch64/aarch64.md (addti3): Use adddi3_compareC.
14404 (*add<mode>3_compareC_cconly_imm): New.
14405 (*add<mode>3_compareC_cconly): New.
14406 (*add<mode>3_compareC_imm): New.
14407 (add<mode>3_compareC): New.
14408 (add<mode>3_carryin, *addsi3_carryin_uxtw): Sort compare operand
14409 to be first. Use aarch64_carry_operation.
14410 (*add<mode>3_carryin_alt1, *addsi3_carryin_alt1_uxtw): Remove.
14411 (*add<mode>3_carryin_alt2, *addsi3_carryin_alt2_uxtw): Remove.
14412 (*add<mode>3_carryin_alt3, *addsi3_carryin_alt3_uxtw): Remove.
14413 (subti3): Use subdi3_compare1.
14414 (*sub<mode>3_compare0): Rename from sub<mode>3_compare0.
14415 (sub<mode>3_compare1): New.
14416 (*sub<mode>3_carryin0, *subsi3_carryin_uxtw): New.
14417 (*sub<mode>3_carryin): Use aarch64_borrow_operation.
14418 (*subsi3_carryin_uxtw): Likewise.
14419 (*ngc<mode>, *ngcsi_uxtw): Likewise.
14420 (*sub<mode>3_carryin_alt, *subsi3_carryin_alt_uxtw): New.
14421 * config/aarch64/iterators.md (DWI): New.
14422 * config/aarch64/predicates.md (aarch64_carry_operation): New.
14423 (aarch64_borrow_operation): New.
14425 2016-01-28 Abderrazek Zaafrani <a.zaafrani@samsung.com>
14427 * graphite-optimize-isl.c (optimize_isl): Print a different debug
14428 message when isl does not return a valid schedule.
14430 2016-01-28 Sebastian Pop <s.pop@samsung.com>
14432 * graphite-isl-ast-to-gimple.c (class translate_isl_ast_to_gimple):
14433 Remove comments from class declarations: they are already in the code
14436 2016-01-28 Sebastian Pop <s.pop@samsung.com>
14438 * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Call
14440 (ternary_op_to_tree): Same.
14441 (unary_op_to_tree): Same.
14442 (nary_op_to_tree): Same.
14443 (gcc_expression_from_isl_expr_op): Same.
14444 (gcc_expression_from_isl_expression): Same.
14445 (graphite_create_new_loop): Same.
14446 (graphite_create_new_loop_guard): Same.
14447 (build_iv_mapping): Same.
14448 (graphite_create_new_guard): Same.
14449 (translate_isl_ast_to_gimple::copy_loop_phi_nodes): Same.
14450 (translate_isl_ast_to_gimple::translate_pending_phi_nodes): Same.
14452 2016-01-28 Sebastian Pop <s.pop@samsung.com>
14454 * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Assert
14455 instead of setting codegen_error to fail codegen.
14457 2016-01-28 Jason Merrill <jason@redhat.com>
14459 * tree.h (BINFO_FLAG_0): Rename from BINFO_MARKED.
14461 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
14463 * config/aarch64/aarch64.c (aarch64_if_then_else_costs):
14464 Remove CONST_INT_P check in CCMP cost calculation.
14466 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
14468 * config/aarch64/aarch64.c (generic_vector_cost):
14469 Set vec_permute_cost.
14470 (cortexa57_vector_cost): Likewise.
14471 (exynosm1_vector_cost): Likewise.
14472 (xgene1_vector_cost): Likewise.
14473 (aarch64_builtin_vectorization_cost): Use vec_permute_cost.
14474 * config/aarch64/aarch64-protos.h (cpu_vector_cost):
14475 Add vec_permute_cost entry.
14477 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
14479 * config/aarch64/aarch64.md (ccmp<mode>): Disassemble
14481 (add<mode>3_compare0): Likewise.
14482 (addsi3_compare0_uxtw): Likewise.
14483 (add<mode>3nr_compare0): Likewise.
14484 (compare_neg<mode>): Likewise.
14485 (<optab><mode>3): Likewise.
14487 2016-01-28 Ilya Enkovich <enkovich.gnu@gmail.com>
14489 * tree-vect-stmts.c (vectorizable_comparison): Add
14490 NULL check for vectype.
14492 2016-01-28 Richard Biener <rguenther@suse.de>
14494 PR tree-optimization/69466
14495 * tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
14496 Account for PHIs we couldn't duplicate.
14498 2016-01-28 Martin Liska <mliska@suse.cz>
14501 * ggc-common.c (gt_pch_save): Use ENABLE_VALGRIND_ANNOTATIONS macro
14502 instead of ENABLE_VALGRIND_CHECKING.
14504 2016-01-27 Richard Henderson <rth@redhat.com>
14507 * lra-remat.c (subreg_regs): New.
14508 (dump_candidates_and_remat_bb_data): Dump it.
14509 (operand_to_remat): Reject if operand in subreg_regs.
14510 (set_bb_regs): Collect subreg_regs.
14511 (lra_remat): Init and free subreg_regs. Compute
14512 calculate_local_reg_remat_bb_data before create_cands.
14514 2016-01-27 H.J. Lu <hongjiu.lu@intel.com>
14517 * config/i386/i386.c (ix86_update_stack_boundary): Don't
14518 change stack_alignment_needed for __tls_get_addr call.
14520 2016-01-27 Segher Boessenkool <segher@kernel.crashing.org>
14522 * config/rs6000/rs6000.c (print_operand): Rollback 's' removal.
14524 2016-01-27 Jeff Law <law@redhat.com>
14526 PR tree-optimization/68398
14527 PR tree-optimization/69196
14528 * params.def (PARAM_FSM_SCALE_PATH_STMTS): New parameter.
14529 (PARAM_FSM_SCALE_PATH_BLOCKS): Likewise.
14530 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
14531 Only count PHIs in the last block in the path. The others will
14532 const/copy propagate away. Add heuristic to allow more irreducible
14533 subloops to be created when it is likely profitable to do so.
14535 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
14536 Fix typo in comment. Use gsi_after_labels and remove the GIMPLE_LABEL
14537 check from within the loop. Use gsi_next_nondebug rather than gsi_next.
14539 2016-01-27 Jakub Jelinek <jakub@redhat.com>
14542 * sanitizer.def: Add BEGIN_SANITIZER_BUILTINS and
14543 END_SANITIZER_BUILTINS markers using DEF_BUILTIN_STUB.
14544 * asan.c (DEF_BUILTIN_STUB): Temporarily define.
14545 * tree-streamer-in.c: Include asan.h.
14546 (streamer_get_builtin_tree): For builtins in sanitizer
14547 range call initialize_sanitizer_builtins and retry.
14549 2016-01-27 Ian Lance Taylor <iant@google.com>
14551 * common.opt (fkeep-gc-roots-live): New undocumented option.
14552 * tree-ssa-loop-ivopts.c (add_candidate_1): If
14553 -fkeep-gc-roots-live, skip pointers.
14554 (add_iv_candidate_for_biv): Handle add_candidate_1 returning
14557 2016-01-27 Uros Bizjak <ubizjak@gmail.com>
14560 * config/i386/i386.md (*zext<mode>_doubleword_and): New pattern.
14561 (*zext<mode>_doubleword): Disable for TARGET_ZERO_EXTEND_WITH_AND.
14563 2016-01-27 Thomas Klausner <wiz@NetBSD.org>
14566 * configure.ac: NetBSD provides SSP in its C library.
14567 * configure: Updated.
14569 2016-01-27 Richard Biener <rguenther@suse.de>
14571 PR tree-optimization/69166
14572 * tree-vect-loop.c (vect_is_simple_reduction): Always check
14573 reduction code for commutativity / associativity.
14575 2016-01-27 Martin Jambor <mjambor@suse.cz>
14577 PR tree-optimization/69355
14578 * tree-sra.c (analyze_access_subtree): Correct hole detection when
14579 total_scalarization fails.
14581 2016-01-27 David Edelsohn <dje.gcc@gmail.com>
14583 * config/rs6000/driver-rs6000.c (detect_processor_aix): Add
14586 2016-01-27 Christian Bruel <christian.bruel@st.com>
14589 * config/arm/arm-c.c (arm_pragma_target_parse): Add comments.
14590 Move arm_reset_previous_fndecl and set_target_option_current_node in
14591 the conditional part. Call save_restore_target_globals.
14592 * config/arm/arm.c (arm_set_current_function):
14593 Refactor to better support #pragma target and attribute mix.
14594 Call save_restore_target_globals.
14595 * config/arm/arm-protos.h (save_restore_target_globals): New function.
14597 2016-01-27 Martin Liska <mliska@suse.cz>
14599 * hsa.c (hsa_summary_t::link_functions): Create IPA_REF_ADDR
14600 reference for an HSA kernel and its host function.
14602 2016-01-27 Jakub Jelinek <jakub@redhat.com>
14604 PR tree-optimization/69399
14605 * wide-int.h (wi::lrshift): For larger precisions, only
14606 use fast path if shift is known to be < HOST_BITS_PER_WIDE_INT.
14608 2016-01-27 Claudiu Zissulescu <claziss@synopsys.com>
14610 * config/arc/predicates.md (proper_comparison_operator): Reject
14611 constant-constant comparison.
14613 2016-01-26 Tom de Vries <tom@codesourcery.com>
14615 PR tree-optimization/69110
14616 * tree-data-ref.c (initialize_data_dependence_relation): Handle
14617 DR_NUM_DIMENSIONS == 0.
14619 2016-01-26 Abderrazek Zaafrani <a.zaafrani@samsung.com>
14620 Sebastian Pop <s.pop@samsung.com>
14622 * graphite-isl-ast-to-gimple.c (ternary_op_to_tree): Handle
14623 isl_ast_op_cond and isl_ast_op_select.
14624 (gcc_expression_from_isl_expr_op): Same.
14626 2016-01-26 Jason Merrill <jason@redhat.com>
14629 * tree.c (recompute_constructor_flags): Split out from
14631 (verify_constructor_flags): New.
14632 * tree.h: Declare them.
14634 2016-01-26 Iain Buclaw <ibuclaw@gdcproject.org>
14636 PR rtl-optimization/69217
14637 * var-tracking.c (tracked_record_parameter_p): Don't segfault if there
14638 are no TYPE_FIELDS set for the record type.
14640 2016-01-26 Jakub Jelinek <jakub@redhat.com>
14643 * config/rs6000/rs6000.c (rs6000_option_override_internal): Initialize
14644 toc_label_name unconditionally.
14645 (rs6000_emit_load_toc_table): Call ggc_strdup on toc_label_name for
14646 SYMBOL_REF string. Use toc_label_name instead of constructing
14648 (rs6000_elf_declare_function_name): Use toc_label_name instead of
14649 constructing LCTOC1.
14651 2016-01-26 Martin Sebor <msebor@redhat.com>
14654 * doc/extend.texi (Common Type Attributes): Move text that talks about
14655 attribute packed from attribute aligned to the section discussing
14656 the former attribute for clarity.
14658 2016-01-26 Richard Henderson <rth@redhat.com>
14660 PR middle-end/60908
14661 * trans-mem.c (tm_region_init): Mark entry block as visited.
14663 2016-01-26 David Malcolm <dmalcolm@redhat.com>
14666 * diagnostic-show-locus.c (layout::print_source_line): Replace
14667 call to pp_newline with call to layout::print_newline.
14668 (layout::print_annotation_line): Likewise.
14669 (layout::move_to_column): Likewise.
14670 (layout::print_any_fixits): After printing any fixits, print a
14671 trailing newline, if necessary.
14672 (layout::print_newline): New method, resetting any colorization
14674 (diagnostic_show_locus): Move the pp_newline to before the
14675 early bailout. Remove dummy block enclosing the layout instance.
14676 * diagnostic.c (default_diagnostic_finalizer): Replace invocation
14677 of pp_newline_and_flush with pp_flush.
14678 (diagnostic_append_note): Delete use of pp_newline.
14679 (diagnostic_append_note_at_rich_loc): Delete.
14680 * diagnostic.h (diagnostic_append_note_at_rich_loc): Delete.
14681 * pretty-print.h (output_buffer_append_r): Reset buff->line_length
14682 when newline characters are added to the buffer.
14684 2016-01-26 Michael Matz <matz@suse.de>
14686 * configure.ac (ac_cv_std_swap_in_utility): New test.
14687 * system.h (<algorithm>): Check HAVE_SWAP_IN_UTILITY as well.
14688 * configure: Regenerate.
14689 * config.in: Regenerate.
14691 2016-01-26 Claudiu Zissulescu <claziss@synopsys.com>
14693 * config/arc/arc.md (cstoresi4): Force operand into register.
14694 (arcset<code>): Fix predicate.
14695 (arcsetltu): Likewise.
14696 (arcsetgeu): Likewise.
14697 (arcsethi): Likewise.
14698 (arcsetls): Likewise.
14700 2016-01-26 Jakub Jelinek <jakub@redhat.com>
14702 PR tree-optimization/69483
14703 * gimple-fold.c (canonicalize_constructor_val): Return NULL
14704 if base has error_mark_node type.
14706 2016-01-26 Christophe Lyon <christophe.lyon@linaro.org>
14709 * config/arm/arm.c (neon_valid_immediate): Handle FP16 vectors.
14710 * config/arm/arm_neon.h (__ARM_NUM_LANES, __arm_lane, arm_lanq):
14712 (vget_lane_f16): Handle big-endian.
14713 (vgetq_lane_f16): Likewise.
14714 (vset_lane_f16): Likewise.
14715 (vsetq_lane_f16): Likewise.
14716 * config/arm/iterators.md (VQXMOV): Add V8HF.
14717 (VDQ): Add V4HF and V8HF.
14718 (V_reg): Handle V4HF and V8HF.
14719 (Is_float_mode): Likewise.
14720 * config/arm/neon.md (movv4hf, movv8hf, neon_vdup_nv4hf,
14721 neon_vdup_nv8hf): New patterns.
14722 (vec_set<mode>_internal, vec_extract<mode>, neon_vld1_dup<mode>):
14723 Use VD_LANE iterator.
14724 (neon_vld1_dup<mode>): Use VQ2 iterator.
14726 2016-01-26 Nathan Sidwell <nathan@acm.org>
14728 * omp-low.h (oacc_fn_attrib_kernels_p): Declare.
14729 (set_oacc_fn_attrib): Add IS_KERNEL arg.
14730 * omp-low.c (set_oacc_fn_attrib): Add IS_KERNEL arg.
14731 (oacc_fn_attrib_kernels_p, oacc_fn_attrib_level): New.
14732 (expand_omp_target): Pass is_kernel to set_oacc_fn_attrib.
14733 (oacc_validate_dims): Add LEVEL arg, don't return level.
14734 (new_oacc_loop_routine): Use oacc_fn_attrib_level, not
14735 oacc_validate_dims.
14736 (execute_oacc_device_lower): Adjust, add more dump output.
14737 * tree-ssa-loop.c (gate_oacc_kernels): Use
14738 oacc_fn_attrib_kernels_p.
14739 * tree-parloops.c (create_parallel_loop): Adjust
14740 set_oacc_fn_attrib call.
14742 2016-01-26 Jakub Jelinek <jakub@redhat.com>
14745 * lto-wrapper.c (merge_and_complain): Handle -fcilkplus.
14746 (append_compiler_options): Handle -fcilkplus.
14747 (append_linker_options): Ignore -fno-{openmp,openacc,cilkplus}.
14749 2016-01-26 Nick Clifton <nickc@redhat.com>
14752 * config/i386/winnt.c (i386_pe_binds_local_p): If a function has
14753 been marked as DECL_ONE_ONLY but we do not the means to make it
14754 so, then do not allow it to bind locally.
14756 2016-01-26 Jakub Jelinek <jakub@redhat.com>
14759 * opts.h (parse_sanitizer_options): New prototype.
14760 * opts.c (sanitizer_opts): New array.
14761 (parse_sanitizer_options): New function.
14762 (common_handle_option): Use parse_sanitizer_options.
14764 2016-01-26 H.J. Lu <hongjiu.lu@intel.com>
14767 * config/i386/i386.c (ix86_compute_frame_layout): Move stack
14768 alignment adjustment to ...
14769 (ix86_update_stack_boundary): Here. Don't over-align stack for
14771 (ix86_finalize_stack_realign_flags): Use stack_alignment_needed
14772 if __tls_get_addr is called.
14774 2016-01-26 Christian Bruel <christian.bruel@st.com>
14776 * doc/sourcebuild.texi (arm_crypto_pragma_ok): Remove.
14778 2016-01-26 Eric Botcazou <ebotcazou@adacore.com>
14780 * config/ia64/ia64.c (ia64_expand_vecint_compare): Use gen_int_mode.
14782 2016-01-26 Richard Biener <rguenther@suse.de>
14784 PR middle-end/69467
14785 * match.pd: Guard X * CST CMP 0 pattern with single_use.
14787 2016-01-26 Richard Biener <rguenther@suse.de>
14789 PR tree-optimization/69452
14790 * tree-ssa-loop-im.c (move_computations_dom_walker): Remove.
14791 (move_computations_dom_walker::before_dom_children): Rename
14793 (move_computations_worker): This.
14794 (move_computations): Perform an RPO rather than a DOM walk.
14796 2016-01-26 Jakub Jelinek <jakub@redhat.com>
14799 * combine.c (combine_instructions): For REG_EQUAL note with
14800 SET_DEST being ZERO_EXTRACT, also temporarily set SET_DEST
14801 to the underlying register.
14802 * doc/rtl.texi (REG_EQUAL): Document the behavior of
14803 REG_EQUAL/REG_EQUIV notes if SET_DEST is ZERO_EXTRACT.
14805 2016-01-26 Roger Ferrer Ibáñez <rofirrim@gmail.com>
14808 * config/aarch64/aarch64-builtins.c
14809 (aarch64_init_simd_builtin_types): Do not set structural
14810 equality to __Poly{8,16,64,128}_t types.
14812 2016-01-26 Richard Sandiford <richard.sandiford@arm.com>
14814 PR tree-optimization/69400
14815 * wide-int.cc (wi_pack): Take the precision as argument and
14816 perform canonicalization here rather than in the callers.
14817 Use the main loop to handle all full-width HWIs. Add a
14818 zero HWI if in_len isn't a full result.
14819 (wi::divmod_internal): Update accordingly.
14820 (wi::mul_internal): Likewise. Simplify.
14822 2016-01-25 Aditya Kumar <aditya.k7@samsung.com>
14823 Sebastian Pop <s.pop@samsung.com>
14825 * graphite-poly.c (apply_poly_transforms): Simplify.
14826 (print_isl_set): Use more readable format: ISL_YAML_STYLE_BLOCK.
14827 (print_isl_map): Same.
14828 (print_isl_union_map): Same.
14829 (print_isl_schedule): New.
14830 (debug_isl_schedule): New.
14831 * graphite-dependences.c (scop_get_reads): Do not call
14832 isl_union_map_add_map that is undocumented isl functionality.
14833 (scop_get_must_writes): Same.
14834 (scop_get_may_writes): Same.
14835 (scop_get_original_schedule): Remove.
14836 (scop_get_dependences): Do not call isl_union_map_compute_flow that
14837 is deprecated in isl 0.15. Instead, use isl_union_access_* interface.
14838 (compute_deps): Remove.
14839 * graphite-isl-ast-to-gimple.c (print_schedule_ast): New.
14840 (debug_schedule_ast): New.
14841 (translate_isl_ast_to_gimple::scop_to_isl_ast): Call
14842 set_separate_option.
14843 (graphite_regenerate_ast_isl): Add dump.
14844 (translate_isl_ast_to_gimple::scop_to_isl_ast): Generate code
14845 from scop->transformed_schedule.
14846 (graphite_regenerate_ast_isl): Add more dump.
14847 * graphite-optimize-isl.c (optimize_isl): Set
14848 scop->transformed_schedule. Check whether schedules are equal.
14849 (apply_poly_transforms): Move here.
14850 * graphite-poly.c (apply_poly_transforms): ... from here.
14851 (free_poly_bb): Static.
14852 (free_scop): Static.
14853 (pbb_number_of_iterations_at_time): Remove.
14854 (print_isl_ast): New.
14855 (debug_isl_ast): New.
14856 (debug_scop_pbb): New.
14857 * graphite-scop-detection.c (print_edge): Move.
14858 (print_sese): Move.
14859 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Remove.
14860 (build_scop_scattering): Remove.
14861 (create_pw_aff_from_tree): Assert instead of bailing out.
14862 (add_condition_to_pbb): Remove unused code, do not fail.
14863 (add_conditions_to_domain): Same.
14864 (add_conditions_to_constraints): Remove.
14865 (build_scop_context): New.
14866 (add_iter_domain_dimension): New.
14867 (build_iteration_domains): Initialize pbb->iterators.
14868 Call add_conditions_to_domain.
14871 (index_outermost_in_loop): New.
14872 (index_pbb_in_loop): New.
14873 (outermost_pbb_in): New.
14874 (add_in_sequence): New.
14875 (add_outer_projection): New.
14876 (outer_projection_mupa): New.
14877 (add_loop_schedule): New.
14878 (build_schedule_pbb): New.
14879 (build_schedule_loop): New.
14880 (embed_in_surrounding_loops): New.
14881 (build_schedule_loop_nest): New.
14882 (build_original_schedule): New.
14883 (build_poly_scop): Call build_original_schedule.
14884 * graphite.h: Declare print_isl_schedule and debug_isl_schedule.
14885 (free_poly_dr): Remove.
14886 (struct poly_bb): Add iterators. Remove schedule, transformed, saved.
14887 (free_poly_bb): Remove.
14888 (debug_loop_vec): Remove.
14889 (print_isl_ast): Declare.
14890 (debug_isl_ast): Declare.
14891 (scop_do_interchange): Remove.
14892 (scop_do_strip_mine): Remove.
14893 (scop_do_block): Remove.
14894 (flatten_all_loops): Remove.
14895 (optimize_isl): Remove.
14896 (pbb_number_of_iterations_at_time): Remove.
14897 (debug_scop_pbb): Declare.
14898 (print_schedule_ast): Declare.
14899 (debug_schedule_ast): Declare.
14900 (struct scop): Remove schedule. Add original_schedule,
14901 transformed_schedule.
14902 (free_gimple_poly_bb): Remove.
14903 (print_generated_program): Remove.
14904 (debug_generated_program): Remove.
14905 (unify_scattering_dimensions): Remove.
14906 * sese.c (print_edge): ... here.
14907 (print_sese): ... here.
14908 (debug_edge): ... here.
14909 (debug_sese): ... here.
14910 * sese.h (print_edge): Declare.
14911 (print_sese): Declare.
14912 (dump_edge): Declare.
14913 (dump_sese): Declare.
14915 2016-01-25 Aditya Kumar <aditya.k7@samsung.com>
14916 Sebastian Pop <s.pop@samsung.com>
14918 * Makefile.in: Set ISLVER in site.exp.
14920 2016-01-25 Jakub Jelinek <jakub@redhat.com>
14922 * omp-low.c (lower_omp_target) <case USE_DEVICE_PTR>: Set
14923 DECL_VALUE_EXPR of new_var even for the non-array case. Look
14924 through DECL_VALUE_EXPR for expansion.
14926 2016-01-25 Bernd Edlinger <bernd.edlinger@hotmail.de>
14928 * config/mips/mips.c (mips_compute_frame_info): Skip re-computing
14929 the frame info after reload completed.
14931 2016-01-25 Jeff Law <law@redhat.com>
14933 PR tree-optimization/69196
14934 PR tree-optimization/68398
14935 * tree-ssa-threadupdate.h (enum bb_dom_status): Moved here from
14936 tree-ssa-threadupdate.c.
14937 (determine_bb_domination_status): Prototype
14938 * tree-ssa-threadupdate.c (enum bb_dom_status): Remove
14939 (determine_bb_domination_status): No longer static.
14940 (valid_jump_thread_path): Remove code to detect characteristics
14941 of the jump thread path not associated with correctness.
14942 * tree-ssa-threadbackward.c (fsm_find_control_statment_thread_paths):
14943 Correct test for thread path length. Count PHIs for real operands as
14944 statements that need to be copied. Do not count ASSERT_EXPRs.
14945 Look at all the blocks in the thread path. Compute and selectively
14946 filter thread paths based on threading through the latch, threading
14947 a multiway branch or crossing a multiway branch.
14949 2016-01-25 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
14951 * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): Add
14952 decl with __attribute__ ((unused)) annotation.
14954 2016-01-25 Ilya Enkovich <enkovich.gnu@gmail.com>
14957 * tree-vect-stmts.c (vectorizable_condition): Check vectype
14958 of operands is compatible with a statement vectype.
14960 2016-01-25 Eric Botcazou <ebotcazou@adacore.com>
14962 * doc/extend.texi (scalar_storage_order type attribute): Fix typo and
14963 improve wording for mixed storage order support.
14965 2016-01-25 Bilyan Borisov <bilyan.borisov@arm.com>
14967 * config/aarch64/arm_neon.h (vcvt_s64_f64): New intrinsic.
14968 (vcvt_u64_f64): Likewise.
14969 (vcvta_s64_f64): Likewise.
14970 (vcvta_u64_f64): Likewise.
14971 (vcvtm_s64_f64): Likewise.
14972 (vcvtm_u64_f64): Likewise.
14973 (vcvtn_s64_f64): Likewise.
14974 (vcvtn_u64_f64): Likewise.
14975 (vcvtp_s64_f64): Likewise.
14976 (vcvtp_u64_f64): Likewise.
14978 2016-01-25 Claudiu Zissulescu <claziss@synopsys.com>
14980 * config/arc/arc.c (TARGET_DWARF_REGISTER_SPAN): Define.
14981 (arc_init): Check validity mll64 option.
14982 (arc_save_restore): Use double load/store instruction.
14983 (arc_expand_movmem): Likewise.
14984 (arc_split_move): Don't split if we have double load/store
14985 instructions. Returns a boolean.
14986 (arc_process_double_reg_moves): Change function to return boolean
14987 instead of a sequence of instructions.
14988 (arc_dwarf_register_span): New function.
14989 * config/arc/arc-protos.h (arc_split_move): Change prototype.
14990 * config/arc/arc.h (TARGET_CPU_CPP_BUILTINS): Define __ARC_LL64__.
14991 * config/arc/arc.md (*movdi_insn): Emit ldd/std instructions.
14992 (*movdf_insn): Likewise.
14993 * config/arc/arc.opt (mll64): New option.
14994 * config/arc/predicates.md (even_register_operand): New predicate.
14995 * doc/invoke.texi (ARC Options): Add mll64 documentation.
14997 2016-01-25 Richard Biener <rguenther@suse.de>
15000 * dwarf2out.c (is_naming_typedef_decl): Not when DECL_NAMELESS.
15001 * tree-streamer-out.c (pack_ts_base_value_fields): Stream
15003 * tree-streamer-in.c (unpack_ts_base_value_fields): Likewise.
15005 2016-01-25 Richard Biener <rguenther@suse.de>
15007 PR tree-optimization/69376
15008 * tree-ssa-sccvn.h (struct vn_ssa_aux): Add range_info_anti_range_p
15010 (VN_INFO_ANTI_RANGE_P): New inline.
15011 (VN_INFO_RANGE_TYPE): Likewise.
15012 * tree-ssa-sccvn.c (set_ssa_val_to): Also record and copy
15013 SSA_NAME_ANTI_RANGE_P.
15014 (free_scc_vn): Restore SSA_NAME_ANTI_RANGE_P.
15015 * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
15016 Properly query VN_INFO_RANGE_TYPE.
15018 2016-01-25 Nick Clifton <nickc@redhat.com>
15021 * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Remove definition.
15023 2016-01-23 Tom de Vries <tom@codesourcery.com>
15025 PR tree-optimization/69426
15026 * tree-parloops.c (eliminate_local_variables_stmt): Handle vdef of
15029 2016-01-23 Jakub Jelinek <jakub@redhat.com>
15031 * tree-ssanames.c (release_free_names_and_compact_live_names): Replace
15032 "the the" with "the" in the comments.
15033 * ipa-devirt.c (build_type_inheritance_graph,
15034 update_type_inheritance_graph): Likewise.
15035 * tree.c (build_function_type_list_1): Likewise.
15036 * cfgloopmanip.c (scale_loop_profile): Likewise.
15037 * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Likewise.
15038 * gimple-ssa-split-paths.c
15039 (find_block_to_duplicate_for_splitting_paths): Likewise.
15040 * tree-sra.c (init_subtree_with_zero, clobber_subtree): Likewise.
15041 * expr.c (convert_move): Likewise.
15042 * var-tracking.c (vt_stack_adjustments): Likewise.
15043 * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
15044 * tree-vrp.c (test_for_singularity): Likewise.
15046 * tree-vect-stmts.c (vectorizable_condition): Build a VEC_COND_EXPR
15047 directly instead of building a temporary tree.
15050 * genrecog.c: Define INCLUDE_ALGORITHM before including system.h,
15051 remove <algorithm> include.
15053 2016-01-22 Jakub Jelinek <jakub@redhat.com>
15056 * config/i386/i386.c: Include dojump.h.
15057 (expand_small_movmem_or_setmem,
15058 expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Spelling
15060 (ix86_expand_set_or_movmem): Call do_pending_stack_adjust () early
15061 if dynamic_check != -1.
15063 2016-01-21 Jeff Law <law@redhat.com>
15065 PR middle-end/69347
15066 * tree-ssa-dom.c (back_propagate_equivalences): Factored out of
15067 record_temporary_equivalences. Rewritten to avoid unnecessary calls
15068 into dominated_by_p.
15069 (cprop_into_successor_phis): Avoid unnecessary tests.
15071 2016-01-22 Richard Henderson <rth@redhat.com>
15074 * config/aarch64/aarch64.md (UNSPEC_NZCV): New.
15075 (ccmp<mode>, fccmp<mode>, fccmpe<mode>): Use it.
15077 2016-01-22 Michael Matz <matz@suse.de>
15079 * system.h (string, algorithm): Include only conditionally.
15080 (new): Include always under C++.
15081 * bb-reorder.c (toplevel): Define INCLUDE_ALGORITHM.
15082 * final.c (toplevel): Ditto.
15083 * ipa-chkp.c (toplevel): Define INCLUDE_STRING.
15084 * genconditions.c (write_header): Make gencondmd.c define
15086 * mem-stats.h (mem_usage::print_dash_line): Don't use std::string.
15088 * config/aarch64/aarch64.c (toplevel): Define INCLUDE_STRING.
15089 * common/config/aarch64/aarch64-common.c (toplevel): Ditto.
15091 2016-01-22 Christian Bruel <christian.bruel@st.com>
15094 * expr.c (expand_expr_real_1): Reset DECL_MODE if VECTOR_TYPE_P changed.
15096 2016-01-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
15099 * config/arm/thumb2.md (*thumb2_ior_scc_strict_it): Convert to
15100 define_insn_and_split. Ensure operands[1] and operands[0] do not
15101 get assigned the same register.
15103 2016-01-22 Kugan Vivekanandarajah <kuganv@linaro.org>
15105 * ipa-prop.c (ipa_set_jf_constant): Remove redundant unshare_expr.
15107 2016-01-22 Christian Bruel <christian.bruel@st.com>
15109 * config/arm/arm-c.c (arm_pragma_target_parse):
15110 Remove warn_builtin_macro_redefined overwrite.
15112 2016-01-22 Eric Botcazou <ebotcazou@adacore.com>
15114 * ipa-inline.c (can_inline_edge_p): Back out overzealous check on
15115 flag_non_call_exceptions compatibility.
15117 2016-01-22 Jakub Jelinek <jakub@redhat.com>
15120 * dwarf2out.c (add_child_die_after): New function.
15121 (dwarf_qual_info_t): New type.
15122 (dwarf_qual_info): New variable.
15123 (qualified_die_p): New function.
15124 (modified_type_die): For -fdebug-types-section, ensure
15125 canonical order of qualifiers. Put qualified DIEs adjacent
15126 to the corresponding non-qualified type DIE and search there
15127 for existing qualified DIEs.
15129 2016-01-22 Eric Botcazou <ebotcazou@adacore.com>
15131 * doc/extend.texi (scalar_storage_order type attribute): Document
15132 restriction on type punning and aliasing, and remove future tense.
15134 2016-01-21 Roman Zhuykov <zhroma@ispras.ru>
15137 * modulo-sched.c (optimize_sc): Allow branch-scheduling to add a new
15140 2016-01-21 Jeff Law <law@redhat.com>
15142 PR middle-end/69347
15143 * tree-ssa-dom.c (dom_opt_dom_walker::thread_across_edge): Avoid
15144 useless call to record_temporary_equivalences.
15145 * tree-ssa-threadbackward.c (find_jump_threads_backwards): Just
15146 allocate 10 slots in the bb_path vector and let it grow as needed.
15147 (fsm_find_control_statement_thread_paths): Similarly for the next_path
15150 2016-01-21 David Edelsohn <dje.gcc@gmail.com>
15152 * configure.ac (gcc_cv_as_powerpc_mfcrf, gcc_cv_as_machine_directive):
15154 * configure: Regenerate.
15156 2016-01-21 Pat Haugen <pthaugen@us.ibm.com>
15158 * config/rs6000/aix71.h (ASM_CPU_SPEC): Add entry for Power9.
15159 * config/rs6000/driver-rs6000.c (struct asm_names): Likewise.
15161 2016-01-21 Bernd Schmidt <bschmidt@redhat.com>
15163 PR middle-end/66178
15164 * expr.c (expand_expr_real_2) [PLUS_EXPR, MINUS_EXPR]: Don't
15165 drop EXPAND_INITIALIZER.
15166 * rtl.h (contains_symbolic_reference_p): Declare.
15167 * rtlanal.c (contains_symbolic_reference_p): New function.
15168 * simplify-rtx.c (simplify_binary_operation_1): Don't turn
15169 a subtraction into a NOT if symbolic constants are involved.
15171 2016-01-21 Anton Blanchard <anton@samba.org>
15172 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
15175 * config/rs6000/linux64.h (TARGET_KEEP_LEAF_WHEN_PROFILED): New
15177 * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): New
15180 2016-01-21 Ajit Agarwal <ajitkum@xilinx.com>
15182 * config/microblaze/microblaze.c
15183 (get_branch_target): New.
15184 (insert_wic_for_ilb_runout): New.
15186 (microblaze_machine_dependent_reorg): New.
15187 (TARGET_MACHINE_DEPENDENT_REORG): Define macro.
15188 * config/microblaze/microblaze.md
15189 (UNSPEC_IPREFETCH): Define.
15190 (iprefetch): New pattern
15191 * config/microblaze/microblaze.opt
15192 (mxl-prefetch): New flag.
15194 2016-01-21 Ajit Agarwal <ajitkum@xilinx.com>
15196 * config/microblaze/microblaze.h
15197 (FIXED_REGISTERS): Update in macro.
15198 (CALL_USED_REGISTERS): Update in macro.
15200 2016-01-21 Yuri Rumyantsev <ysrumyan@gmail.com>
15202 PR rtl-optimization/68920
15203 * ifcvt.c (cond_move_process_if_block): Limit number of conditional
15206 2016-01-21 Vladimir Makarov <vmakarov@redhat.com>
15208 PR rtl-optimization/68990
15209 * lra-coalesce.c (lra_coalesce): Invalidate value for the result
15210 pseudo instead of inheritance ones.
15212 2016-01-21 Bernd Edlinger <bernd.edlinger@hotmail.de>
15213 Nick Clifton <nickc@redhat.com>
15217 * config/mips/mips.c (mips_compute_frame_info): Initialise
15218 args_size and hard_frame_pointer_offset fields of the frame
15219 structure before calling mips_global_pointer.
15221 2016-01-21 David Edelsohn <dje.gcc@gmail.com>
15223 * configure.ac (gcc_cv_as_dwloc): Test support for debug frame section
15225 * configure: Regenerate.
15227 2016-01-21 Richard Biener <rguenther@suse.de>
15229 * graphite-optimize-isl.c (get_schedule_map): Fix typo.
15231 2016-01-21 Marcin Kościelnicki <koriakin@0x04.net>
15233 * config/s390/s390.c (s390_asm_declare_function_size): Add code
15234 to actually emit the .size directive.
15236 2016-01-21 Stefan Sørensen <stefan.sorensen@spectralink.com>
15237 Jakub Jelinek <jakub@redhat.com>
15241 * config/arm/arm-builtins.c (arm_expand_neon_builtin): Increase
15242 args array size by one to avoid buffer overflow.
15244 2016-01-21 Marcin Kościelnicki <koriakin@0x04.net>
15246 * config/s390/s390.md (pool_section_start): Use switch_to_section
15247 to select proper read-only data section instead of hardcoding
15249 (pool_section_end): Use switch_to_section to match the above.
15251 2016-01-21 Richard Biener <rguenther@suse.de>
15253 PR tree-optimization/69378
15254 * tree-ssa-sccvn.c (dominated_by_p_w_unex): New function.
15255 (set_ssa_val_to): Use it for dominance checks taking into
15256 account not executable edges.
15258 2016-01-21 Jakub Jelinek <jakub@redhat.com>
15261 * tree-dfa.c (get_ref_base_and_extent): Use GET_MODE_BITSIZE (mode)
15262 for bitsize instead of GET_MODE_PRECISION (mode).
15264 2016-01-20 Martin Sebor <msebor@redhat.com>
15267 * extend.texi (__sync Builtins): Clarify the semantics of
15268 __sync_fetch_and_OP built-ins on pointers.
15269 (__atomic Builtins): Same.
15271 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
15272 Sebastian Pop <s.pop@samsung.com>
15274 * graphite-isl-ast-to-gimple.c (enum phi_node_kind): New.
15275 (class translate_isl_ast_to_gimple): Use phi_node_kind instead of bool.
15276 (is_valid_rename): Same.
15277 (translate_isl_ast_to_gimple::get_rename): Same.
15278 (translate_isl_ast_to_gimple::rename_all_uses): Same.
15279 (translate_isl_ast_to_gimple::rename_uses): Same.
15280 (get_new_name): Check for close_phi nodes.
15281 (copy_loop_phi_args): Use phi_node_kind.
15282 (translate_isl_ast_to_gimple::copy_loop_close_phi_args): Same.
15283 (translate_isl_ast_to_gimple::copy_cond_phi_args): Same.
15285 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
15286 Sebastian Pop <s.pop@samsung.com>
15288 Revert commit r229783.
15289 * graphite-isl-ast-to-gimple.c (gcc_expression_from_isl_ast_expr_id):
15290 Remove use of parameter_rename_map.
15291 (copy_def): Remove.
15292 (copy_internal_parameters): Remove.
15293 (graphite_regenerate_ast_isl): Remove call to copy_internal_parameters.
15294 * sese.c (new_sese_info): Do not initialize parameter_rename_map.
15295 (free_sese_info): Do not free parameter_rename_map.
15296 (set_rename): Do not use parameter_rename_map.
15297 (rename_uses): Update call to set_rename.
15298 (graphite_copy_stmts_from_block): Do not use parameter_rename_map.
15299 * sese.h (parameter_rename_map_t): Remove.
15300 (struct sese_info_t): Remove field parameter_rename_map.
15302 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
15303 Sebastian Pop <s.pop@samsung.com>
15305 * graphite-isl-ast-to-gimple.c: Fix comment.
15306 * graphite-scop-detection.c (defined_in_loop_p): New.
15307 (canonicalize_loop_closed_ssa): Do not add close phi nodes for SSA
15308 names defined in loop.
15310 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
15311 Sebastian Pop <s.pop@samsung.com>
15313 * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
15314 Discard unstructured if-then-else regions.
15316 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
15317 Sebastian Pop <s.pop@samsung.com>
15319 * graphite-sese-to-poly.c (set_scop_parameter_dim): Remove.
15320 (cleanup_loop_iter_dom): Remove.
15321 (build_loop_iteration_domains): Remove.
15322 (build_scop_context): Remove.
15323 (build_scop_iteration_domain): Remove.
15324 (add_loop_constraints): New.
15325 (build_iteration_domains): New.
15326 (build_poly_scop): Call build_iteration_domains.
15328 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
15329 Sebastian Pop <s.pop@samsung.com>
15331 * graphite-scop-detection.c
15332 (scop_detection::harmful_loop_in_region): Free dom and loops.
15333 (scop_detection::loop_body_is_valid_scop): Free bbs.
15335 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
15336 Sebastian Pop <s.pop@samsung.com>
15338 * graphite-scop-detection.c (record_loop_in_sese): New.
15339 (gather_bbs::before_dom_children): Call record_loop_in_sese.
15340 (build_scops): Remove call to build_sese_loop_nests.
15341 * sese.c (sese_record_loop): Remove.
15342 (build_sese_loop_nests): Remove.
15343 (new_sese_info): Remove region->loops.
15344 (free_sese_info): Same.
15345 * sese.h (sese_contains_loop): Same.
15346 (build_sese_loop_nests): Remove.
15347 (sese_contains_loop): Remove.
15349 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
15350 Sebastian Pop <s.pop@samsung.com>
15352 * graphite-scop-detection.c (loop_is_valid_scop): Renamed
15353 loop_is_valid_in_scop.
15354 (scop_detection::harmful_stmt_in_region): Renamed
15355 harmful_loop_in_region.
15356 Call loop_is_valid_in_scop.
15358 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
15359 Sebastian Pop <s.pop@samsung.com>
15361 * graphite-isl-ast-to-gimple.c (translate_isl_ast): Also handle
15364 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
15365 Sebastian Pop <s.pop@samsung.com>
15367 * graphite-poly.c (new_poly_bb): Remove use of PBB_IS_REDUCTION.
15368 * graphite.h (struct poly_bb): Remove field is_reduction.
15369 (PBB_IS_REDUCTION): Remove.
15371 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
15372 Sebastian Pop <s.pop@samsung.com>
15374 * graphite-dependences.c (constrain_domain): Add call to isl_*_coalesce.
15375 (add_pdr_constraints): Same.
15376 (scop_get_reads): Same.
15377 (scop_get_must_writes): Same.
15378 (scop_get_may_writes): Same.
15379 (scop_get_original_schedule): Same.
15380 (extend_schedule): Same.
15381 (apply_schedule_on_deps): Same.
15382 (carries_deps): Same.
15383 (compute_deps): Same.
15384 (scop_get_dependences): Same.
15385 * graphite-isl-ast-to-gimple.c
15386 (translate_isl_ast_to_gimple::generate_isl_schedule): Same.
15387 * graphite-optimize-isl.c (get_schedule_for_band): Same.
15388 (get_schedule_for_band_list): Same.
15389 (get_schedule_map): Same.
15390 (apply_schedule_map_to_scop): Same.
15391 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
15392 (build_loop_iteration_domains): Same.
15393 (add_condition_to_pbb): Same.
15394 (add_param_constraints): Same.
15395 (pdr_add_memory_accesses): Same.
15396 (pdr_add_data_dimensions): Same.
15398 2016-01-20 Sandra Loosemore <sandra@codesourcery.com>
15400 * doc/invoke.texi (Instrumentation Options): Clarify -mmpx linking
15403 2016-01-20 Sandra Loosemore <sandra@codesourcery.com>
15405 * common.opt (feliminate-dwarf2-dups): Replace references to
15406 "DWARF 2" with just "DWARF".
15407 * config/ia64/ia64.opt (mdwarf2-asm): Likewise.
15408 * doc/extend.texi: Likewise.
15409 * doc/cpp.texi: Likewise.
15410 * doc/invoke.texi: Likewise.
15411 (Option Summary): Add -gdwarf to list of Debugging Options.
15412 (Debugging Options): Document -gdwarf.
15413 * doc/contrib.texi: Spell "DWARF" like that.
15415 2016-01-21 Jakub Jelinek <jakub@redhat.com>
15417 * omp-low.c (expand_omp_target): Avoid -Wmaybe-uninitialized
15418 warning. Fix up formatting.
15420 PR middle-end/67653
15421 * gimplify.c (gimplify_asm_expr): Warn if it is too late to
15422 attempt to mark memory input operand addressable and
15423 call prepare_gimple_addressable in that case. Don't adjust
15424 input_location for diagnostics, use error_at instead.
15426 2016-01-20 Peter Bergner <bergner@vnet.ibm.com>
15428 * config/rs6000/ppc-auxv.h: New file.
15429 * config/rs6000/rs6000-builtin.def (cpu_init): Add new builtin.
15430 (cpu_is): Likewise.
15431 (cpu_supports): Likewise.
15432 * config/rs6000/rs6000.c: include "ppc-auxv.h".
15433 (cpu_is_info): New variable.
15434 (cpu_supports_info): Likewise.
15435 (tcb_verification_symbol): Likewise.
15436 (cpu_builtin_p): Likewise.
15437 (cpu_expand_builtin): New function.
15438 (rs6000_expand_ternop_builtin): Add support for CPU builtin functions.
15439 (rs6000_init_builtins): Likewise.
15440 (rs6000_elf_file_end): Emit HWCAP in TCB verification symbol.
15441 * config/rs6000/rs6000.h (TLS_REGNUM): New define.
15442 * configure.ac (gcc_cv_libc_provides_hwcap_in_tcb): New test.
15443 * configure: Regenerate.
15444 * config.in: Likewise.
15445 * doc/extend.texi (PowerPC Built-in Functions): Document
15446 __builtin_cpu_init, __builtin_cpu_is and __builtin_cpu_supports.
15448 2016-01-20 David Edelsohn <dje.gcc@gmail.com>
15451 * config/rs6000/rs6000.c (rs6000_emit_swsqrt): Add vector sqrt
15453 * config/rs6000/vector.md (sqrt<mode>2): Call rs6000_emit_swsqrt
15456 2016-01-20 Richard Henderson <rth@redhat.com>
15462 * tree.c (tm_define_builtin): New.
15463 (find_tm_vector_type): New.
15464 (build_tm_vector_builtins): New.
15465 (build_common_builtin_nodes): Call it.
15467 2016-01-20 Christophe Lyon <christophe.lyon@linaro.org>
15469 * doc/sourcebuild.texi (arm_crypto_pragma_ok): Document new entry.
15470 (arm_fp_ok): Likewise.
15471 (arm_fp): Likewise.
15472 (arm_crypto): Likewise.
15474 2016-01-20 Ilya Enkovich <enkovich.gnu@gmail.com>
15475 Richard Biener <rguenther@suse.de>
15477 PR tree-optimization/69328
15478 * tree-vect-stmts.c (vect_is_simple_cond): Check compared
15479 vectors have same number of elements.
15480 (vectorizable_condition): Fix masked version recognition.
15482 2016-01-20 Richard Biener <rguenther@suse.de>
15484 PR tree-optimization/69345
15485 * tree-ssa-sccvn.h (VN_INFO_RANGE_INFO): New inline function.
15486 (VN_INFO_PTR_INFO): Likewise.
15487 * tree-ssa-sccvn.c (set_ssa_val_to): Avoid clearing points-to
15488 info when it is equal between non-dominating SSA names.
15489 * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
15490 Make sure to look at original SSA infos.
15492 2016-01-20 Jeff Law <law@redhat.com>
15495 * config/m68k/predicates.md (pow2_m1_operand): New predicate
15497 (reg_or_pow2_m1_operand): Call pow2_m1_operand.
15498 (pc_or_label_operand): New predicate.
15499 * config/m68k/m68k.md: Add new peephole2 patterns for GTU/LEU
15500 tests for small integers that are 2^n - 1.
15502 2016-01-20 Jonathan Wakely <jwakely@redhat.com>
15504 * doc/invoke.texi (Options Summary): Add '.' after @xref.
15506 2016-01-19 Jeff Law <law@redhat.com>
15508 PR middle-end/69347
15509 * tree-ssa-threadbackwards.c
15510 (fsm_find_control_statement_thread_paths): Do not try to lookup
15511 FSM paths for SSA_NAMEs appearing in abnormal PHIs.
15513 2016-01-20 Kugan Vivekanandarajah <kuganv@linaro.org>
15515 * doc/lto.texi: Remove text that says only Gold has linker plugin
15518 2016-01-19 Eric Botcazou <ebotcazou@adacore.com>
15520 * dwarf2out.c (need_endianity_attribute_p): New inline predicate.
15521 (base_type_die): Add REVERSE parameter and attach DW_AT_endianity to
15522 the DIE accordingly.
15523 (modified_type_die): Add REVERSE parameter and pass it recursively,
15524 as well as to base_type_die. Adjust presence check accordingly.
15525 (base_type_for_mode): Adjust call to modified_type_die.
15526 (add_type_attribute): Add REVERSE parameter and pass it to
15528 (generic_parameter_die): Adjust call to add_type_attribute.
15529 (add_scalar_info): Likewise.
15530 (add_subscript_info): Likewise.
15531 (gen_array_type_die): Likewise.
15532 (gen_descr_array_type_die): Likewise.
15533 (gen_entry_point_die): Likewise.
15534 (gen_enumeration_type_die): Likewise.
15535 (gen_formal_parameter_die): Likewise.
15536 (gen_subprogram_die): Likewise.
15537 (gen_variable_die ): Likewise.
15538 (gen_const_die): Likewise.
15539 (gen_field_die): Likewise.
15540 (gen_pointer_type_die): Likewise.
15541 (gen_reference_type_die): Likewise.
15542 (gen_ptr_to_mbr_type_die): Likewise.
15543 (gen_inheritance_die): Likewise.
15544 (gen_subroutine_type_die): Likewise.
15545 (gen_typedef_die): Likewise.
15546 (force_type_die): Adjust call to modified_type_die.
15548 2016-01-19 Sandra Loosemore <sandra@codesourcery.com>
15550 * doc/standards.texi: Copy-editing for grammar, markup, and sentence
15551 flow throughout the file. Fix broken link to Objective-C 2.0
15553 * doc/invoke.texi: More copy-editing; fix numerous typos and spelling
15556 2016-01-19 Wilco Dijkstra <wdijkstr@arm.com>
15558 * ccmp.c (expand_ccmp_expr_1): Avoid spurious unused warnings.
15560 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
15563 * ipa-devirt.c (is_cxa_pure_virtual_p): New function.
15564 (maybe_record_node): Record cxa_pure_virtual as the only possible
15565 target if there are not ohter candidates.
15566 (possible_polymorphic_call_target_p): Accept cxa_pure_virtual.
15568 2016-01-19 Richard Biener <rguenther@suse.de>
15570 * hsa-gen.c (get_memory_order_name): Use MEMMODEL_ constants.
15571 (get_memory_order): Likewise.
15573 2016-01-19 Kirill Yukhin <kirill.yukhin@intel.com>
15575 * tree-vect-stmts.c (vectorizable_store): Check
15578 2016-01-19 David Malcolm <dmalcolm@redhat.com>
15581 * gcc.c (driver::decode_argv): Add call to
15582 init_opts_obstack before init_options_struct.
15583 * opts.c (init_opts_obstack): Remove idempotency.
15584 (init_options_struct): Replace call to init_opts_obstack
15585 with a gcc_assert to verify that it has already been called.
15586 * toplev.c (toplev::main): Add call to init_opts_obstack before
15587 calls to init_options_struct.
15588 (toplev::finalize): Move cleanup of opts_obstack next to
15589 cleanup of save_decoded_options, clearing the latter, and
15590 save_decoded_options_count.
15592 2016-01-19 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
15595 * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Set "conds"
15596 attribute to unconditional. Remove %? from output template.
15598 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
15599 Jiong Wang <jiong.wang@arm.com>
15601 * ccmp.c (expand_ccmp_expr_1): Cost the instruction sequences
15602 generated from different expand order.
15604 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
15606 * /config/aarch64/aarch64.c (aarch64_if_then_else_costs):
15607 Add support for CCMP costing.
15609 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
15611 * ccmp.c (ccmp_candidate_p): Remove integer-only restriction.
15612 * config/aarch64/aarch64.md (fccmp<mode>): New pattern.
15613 (fccmpe<mode>): Likewise.
15614 (fcmp): Rename to fcmp and globalize pattern.
15616 * config/aarch64/aarch64.c (aarch64_gen_ccmp_first): Add FP support.
15617 (aarch64_gen_ccmp_next): Add FP support.
15619 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
15621 * target.def (gen_ccmp_first): Update documentation.
15622 (gen_ccmp_next): Likewise.
15623 * doc/tm.texi (gen_ccmp_first): Update documentation.
15624 (gen_ccmp_next): Likewise.
15625 * ccmp.c (expand_ccmp_expr): Extract cmp_code from return value of
15626 expand_ccmp_expr_1. Improve comments.
15627 * config/aarch64/aarch64.md (ccmp_and): Use if_then_else for ccmp.
15628 (ccmp_ior<mode>): Remove pattern.
15629 (cmp<mode>): Remove expand.
15630 (cmp): Globalize pattern.
15631 (cstorecc4): Use cc_register.
15632 (mov<mode>cc): Remove ccmp_cc_register check.
15633 * config/aarch64/aarch64.c (aarch64_get_condition_code_1):
15634 Simplify after removal of CC_DNE/* modes.
15635 (aarch64_ccmp_mode_to_code): Remove.
15636 (aarch64_print_operand): Remove 'K' case. Merge 'm' and 'M' cases.
15637 In 'k' case use integer as condition.
15638 (aarch64_nzcv_codes): Remove inverted cases.
15639 (aarch64_code_to_ccmode): Remove.
15640 (aarch64_gen_ccmp_first): Use cmp pattern directly. Return the correct
15641 comparison with CC register to be used in folowing CCMP/branch/CSEL.
15642 (aarch64_gen_ccmp_next): Use previous comparison and mode in CCMP
15643 pattern. Return the comparison with CC register. Invert conditions
15644 when bitcode is OR.
15645 * config/aarch64/aarch64-modes.def: Remove CC_DNE/* modes.
15646 * config/aarch64/predicates.md (ccmp_cc_register): Remove.
15648 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
15650 * cgraphunit.c (cgraph_node::reset): Clear thunk info and
15651 instrumented_version.
15653 2016-01-19 Richard Biener <rguenther@suse.de>
15655 PR tree-optimization/69336
15656 * tree-ssa-scopedtables.c (avail_expr_hash): Handle all
15657 handled components with get_ref_base_and_extent.
15658 (equal_mem_array_ref_p): Adjust.
15660 2016-01-19 Jakub Jelinek <jakub@redhat.com>
15663 * shrink-wrap.c: Include valtrack.h.
15664 (move_insn_for_shrink_wrap): Add DEBUG argument. If
15665 MAY_HAVE_DEBUG_INSNS, call dead_debug_add on DEBUG_INSNs
15666 in between insn and where it will be moved to. Call
15667 dead_debug_insert_temp.
15668 (prepare_shrink_wrap): Adjust caller. Call dead_debug_local_init
15669 first and dead_debug_local_finish at the end.
15670 For uses and defs bitmap, handle all regs in between REGNO and
15671 END_REGNO, not just the first one.
15673 2016-01-19 Richard Biener <rguenther@suse.de>
15675 PR tree-optimization/69352
15676 * tree-ssa-scopedtables.c (avail_expr_hash): Check for size == -1.
15677 (equal_mem_array_ref_p): Constrain size and max size properly.
15678 Compare the reverse flag.
15680 2016-01-19 Bernd Schmidt <bschmidt@redhat.com>
15682 * ira.c (ira): Update regstat data if we deleted insns.
15684 2016-01-19 Jakub Jelinek <jakub@redhat.com>
15686 PR rtl-optimization/68955
15687 PR rtl-optimization/64557
15688 * dse.c (record_store, check_mem_read_rtx): Don't call get_addr
15689 here. Fix up formatting.
15690 * alias.c (get_addr): Handle VALUE +/- CONST_SCALAR_INT_P.
15692 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
15695 * cgraphunit.c (cgraph_node::expand_thunk): When forcing gimple
15696 assume that the node has body.
15697 * cgraph.c (cgraph_node::get_untransformed_body): Use gimple_body_p
15700 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
15702 * lto-streamer-out.c (lto_output): Do not stream instrumentation
15705 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
15707 * symtab.c (symtab_node::asm_name): Do not call printable name directly.
15708 (symtab_node::name): Report name as unnamed if DECL_NAME is not set.
15710 2016-01-19 Martin Jambor <mjambor@suse.cz>
15711 Martin Liska <mliska@suse.cz>
15712 Michael Matz <matz@suse.de>
15714 * Makefile.in (OBJS): Add new source files.
15715 (GTFILES): Add hsa.c.
15716 * common.opt (disable_hsa): New variable.
15717 (-Whsa): New warning.
15718 * config.in (ENABLE_HSA): New.
15719 * configure.ac: Treat hsa differently from other accelerators.
15720 (OFFLOAD_TARGETS): Define ENABLE_OFFLOADING according to
15721 $enable_offloading.
15722 (ENABLE_HSA): Define ENABLE_HSA according to $enable_hsa.
15723 * doc/install.texi (Configuration): Document --with-hsa-runtime,
15724 --with-hsa-runtime-include, --with-hsa-runtime-lib and
15725 --with-hsa-kmt-lib.
15726 * doc/invoke.texi (-Whsa): Document.
15727 (hsa-gen-debug-stores): Likewise.
15728 * lto-wrapper.c (compile_images_for_offload_targets): Do not attempt
15729 to invoke offload compiler for hsa acclerator.
15730 * opts.c (common_handle_option): Determine whether HSA offloading
15731 should be performed.
15732 * params.def (PARAM_HSA_GEN_DEBUG_STORES): New parameter.
15733 * builtin-types.def (BT_FN_VOID_UINT_PTR_INT_PTR): New.
15734 (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_INT_INT): Removed.
15735 (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): New.
15736 * gimple-low.c (lower_stmt): Also handle GIMPLE_OMP_GRID_BODY.
15737 * gimple-pretty-print.c (dump_gimple_omp_for): Also handle
15738 GF_OMP_FOR_KIND_GRID_LOOP.
15739 (dump_gimple_omp_block): Also handle GIMPLE_OMP_GRID_BODY.
15740 (pp_gimple_stmt_1): Likewise.
15741 * gimple-walk.c (walk_gimple_stmt): Likewise.
15742 * gimple.c (gimple_build_omp_grid_body): New function.
15743 (gimple_copy): Also handle GIMPLE_OMP_GRID_BODY.
15744 * gimple.def (GIMPLE_OMP_GRID_BODY): New.
15745 * gimple.h (enum gf_mask): Added GF_OMP_PARALLEL_GRID_PHONY,
15746 GF_OMP_FOR_KIND_GRID_LOOP, GF_OMP_FOR_GRID_PHONY and
15747 GF_OMP_TEAMS_GRID_PHONY.
15748 (gimple_statement_omp_single_layout): Updated comments.
15749 (gimple_build_omp_grid_body): New function.
15750 (gimple_has_substatements): Also handle GIMPLE_OMP_GRID_BODY.
15751 (gimple_omp_for_grid_phony): New function.
15752 (gimple_omp_for_set_grid_phony): Likewise.
15753 (gimple_omp_parallel_grid_phony): Likewise.
15754 (gimple_omp_parallel_set_grid_phony): Likewise.
15755 (gimple_omp_teams_grid_phony): Likewise.
15756 (gimple_omp_teams_set_grid_phony): Likewise.
15757 (gimple_return_set_retbnd): Also handle GIMPLE_OMP_GRID_BODY.
15758 * omp-builtins.def (BUILT_IN_GOMP_OFFLOAD_REGISTER): New.
15759 (BUILT_IN_GOMP_OFFLOAD_UNREGISTER): Likewise.
15760 (BUILT_IN_GOMP_TARGET): Updated type.
15761 * omp-low.c: Include symbol-summary.h, hsa.h and params.h.
15762 (adjust_for_condition): New function.
15763 (get_omp_for_step_from_incr): Likewise.
15764 (extract_omp_for_data): Moved parts to adjust_for_condition and
15765 get_omp_for_step_from_incr.
15766 (build_outer_var_ref): Handle GIMPLE_OMP_GRID_BODY.
15767 (fixup_child_record_type): Bail out if receiver_decl is NULL.
15768 (scan_sharing_clauses): Handle OMP_CLAUSE__GRIDDIM_.
15769 (scan_omp_parallel): Do not create child functions for phony
15771 (check_omp_nesting_restrictions): Handle GIMPLE_OMP_GRID_BODY.
15772 (scan_omp_1_op): Checking assert we are not remapping to
15773 ERROR_MARK. Also also handle GIMPLE_OMP_GRID_BODY.
15774 (parallel_needs_hsa_kernel_p): New function.
15775 (expand_parallel_call): Register apprpriate parallel child
15776 functions as HSA kernels.
15777 (grid_launch_attributes_trees): New type.
15778 (grid_attr_trees): New variable.
15779 (grid_create_kernel_launch_attr_types): New function.
15780 (grid_insert_store_range_dim): Likewise.
15781 (grid_get_kernel_launch_attributes): Likewise.
15782 (get_target_argument_identifier_1): Likewise.
15783 (get_target_argument_identifier): Likewise.
15784 (get_target_argument_value): Likewise.
15785 (push_target_argument_according_to_value): Likewise.
15786 (get_target_arguments): Likewise.
15787 (expand_omp_target): Call get_target_arguments instead of looking
15788 up for teams and thread limit.
15789 (grid_expand_omp_for_loop): New function.
15790 (grid_arg_decl_map): New type.
15791 (grid_remap_kernel_arg_accesses): New function.
15792 (grid_expand_target_kernel_body): New function.
15793 (expand_omp): Call it.
15794 (lower_omp_for): Do not emit phony constructs.
15795 (lower_omp_taskreg): Do not emit phony constructs but create for them
15796 a temporary variable receiver_decl.
15797 (lower_omp_taskreg): Do not emit phony constructs.
15798 (lower_omp_teams): Likewise.
15799 (lower_omp_grid_body): New function.
15800 (lower_omp_1): Call it.
15801 (grid_reg_assignment_to_local_var_p): New function.
15802 (grid_seq_only_contains_local_assignments): Likewise.
15803 (grid_find_single_omp_among_assignments_1): Likewise.
15804 (grid_find_single_omp_among_assignments): Likewise.
15805 (grid_find_ungridifiable_statement): Likewise.
15806 (grid_target_follows_gridifiable_pattern): Likewise.
15807 (grid_remap_prebody_decls): Likewise.
15808 (grid_copy_leading_local_assignments): Likewise.
15809 (grid_process_kernel_body_copy): Likewise.
15810 (grid_attempt_target_gridification): Likewise.
15811 (grid_gridify_all_targets_stmt): Likewise.
15812 (grid_gridify_all_targets): Likewise.
15813 (execute_lower_omp): Call grid_gridify_all_targets.
15814 (make_gimple_omp_edges): Handle GIMPLE_OMP_GRID_BODY.
15815 * tree-core.h (omp_clause_code): Added OMP_CLAUSE__GRIDDIM_.
15816 (tree_omp_clause): Added union field dimension.
15817 * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__GRIDDIM_.
15818 * tree.c (omp_clause_num_ops): Added number of arguments of
15819 OMP_CLAUSE__GRIDDIM_.
15820 (omp_clause_code_name): Added name of OMP_CLAUSE__GRIDDIM_.
15821 (walk_tree_1): Handle OMP_CLAUSE__GRIDDIM_.
15822 * tree.h (OMP_CLAUSE_GRIDDIM_DIMENSION): New.
15823 (OMP_CLAUSE_SET_GRIDDIM_DIMENSION): Likewise.
15824 (OMP_CLAUSE_GRIDDIM_SIZE): Likewise.
15825 (OMP_CLAUSE_GRIDDIM_GROUP): Likewise.
15826 * passes.def: Schedule pass_ipa_hsa and pass_gen_hsail.
15827 * tree-pass.h (make_pass_gen_hsail): Declare.
15828 (make_pass_ipa_hsa): Likewise.
15829 * ipa-hsa.c: New file.
15830 * lto-section-in.c (lto_section_name): Add hsa section name.
15831 * lto-streamer.h (lto_section_type): Add hsa section.
15832 * timevar.def (TV_IPA_HSA): New.
15833 * hsa-brig-format.h: New file.
15834 * hsa-brig.c: New file.
15835 * hsa-dump.c: Likewise.
15836 * hsa-gen.c: Likewise.
15839 * toplev.c (compile_file): Call hsa_output_brig.
15840 * hsa-regalloc.c: New file.
15842 2016-01-18 Jeff Law <law@redhat.com>
15844 PR tree-optimization/69320
15845 * tree-ssa-dom.c (record_edge_info): For comparisons against a boolean
15846 ranged object, do nothing if the RHS constant is not [0..1].
15847 (optimize_stmt): Comparing a boolean ranged object against a
15848 constant outside [0..1] results in a compile-time constant.
15850 * tree-ssanames.c (ssa_name_has_boolean_range): Remove unnecessary
15853 2016-01-18 Sandra Loosemore <sandra@codesourcery.com>
15855 * doc/invoke.texi (Invoking GCC): Add new section to menu.
15856 (Option Summary): Update to reflect new section and moved options.
15857 (C++ Dialect Options): Move -fstats to new section.
15858 (Debugging Options): Move all dump, statistics, and other GCC
15859 developer options to new section. Rewrite section introduction
15860 and re-order remaining options to put the more basic ones first.
15861 (Optimization Options): Move -fira-verbose and -flto-report* to
15863 (Developer Options): New section incorporating moved options.
15864 * doc/cppopts.texi (-dM): Update cross-reference.
15866 2016-01-18 Richard Henderson <rth@redhat.com>
15869 * config/aarch64/aarch64.md (add<GPI>3): Move long immediate
15870 operands to pseudo only if CSE is expected. Split long immediate
15871 operands only after reload, and for the stack pointer.
15872 (*add<GPI>3_pluslong): Remove.
15873 (*addsi3_aarch64, *adddi3_aarch64): Merge into...
15874 (*add<GPI>3_aarch64): ... here. Add r/rk/Upl alternative.
15875 (*addsi3_aarch64_uxtw): Add r/rk/Upl alternative.
15876 (*add<GPI>3 peepholes): New.
15877 (*add<GPI>3 splitters): New.
15878 * config/aarch64/constraints.md (Upl): New.
15879 * config/aarch64/predicates.md (aarch64_pluslong_strict_immedate): New.
15881 2016-01-18 Richard Biener <rguenther@suse.de>
15883 PR tree-optimization/69297
15884 * tree-vect-slp.c (vect_bb_slp_scalar_cost): Count each scalar
15886 (vect_bb_vectorization_profitable_p): Clear visited flag again.
15888 2016-01-18 Yuri Rumyantsev <ysrumyan@gmail.com>
15890 PR middle-end/68542
15891 * fold-const.c (fold_binary_op_with_conditional_arg): Bail out for case
15892 of mixind vector and scalar types.
15893 (fold_relational_const): Add handling of vector
15894 comparison with boolean result.
15895 * tree-cfg.c (verify_gimple_comparison): Add argument CODE, allow
15896 comparison of vector operands with boolean result for EQ/NE only.
15897 (verify_gimple_assign_binary): Adjust call for verify_gimple_comparison.
15898 (verify_gimple_cond): Likewise.
15899 * tree-vrp.c (extract_code_and_val_from_cond_with_ops): Modify check on
15902 2016-01-18 Joseph Myers <joseph@codesourcery.com>
15904 * config/mips/mips.h (ISA_HAS_PAIRED_SINGLE): Require
15907 2016-01-18 Richard Biener <rguenther@suse.de>
15909 PR middle-end/69308
15910 * gimple.c (gimple_could_trap_p_1): Handle GIMPLE_COND.
15912 2016-01-18 Tom de Vries <tom@codesourcery.com>
15914 * passes.def: Add pass_parallelize_loops to pass_oacc_kernels.
15916 2016-01-18 Tom de Vries <tom@codesourcery.com>
15918 * omp-low.c (set_oacc_fn_attrib): Make extern.
15919 * omp-low.h (set_oacc_fn_attrib): Declare.
15920 * tree-parloops.c (struct reduction_info): Add reduc_addr field.
15921 (create_call_for_reduction_1): Handle case that reduc_addr is non-NULL.
15922 (create_parallel_loop, gen_parallel_loop, try_create_reduction_list):
15923 Add and handle function parameter oacc_kernels_p.
15924 (find_reduc_addr, get_omp_data_i_param): New function.
15925 (ref_conflicts_with_region, oacc_entry_exit_ok_1)
15926 (oacc_entry_exit_single_gang, oacc_entry_exit_ok): New function.
15927 (parallelize_loops): Add and handle function parameter oacc_kernels_p.
15928 Calculate dominance info. Skip loops that are not in a kernels region
15929 in oacc_kernels_p mode. Skip inner loops of parallelized loops.
15930 (pass_parallelize_loops::execute): Call parallelize_loops with
15931 oacc_kernels_p argument.
15932 (pass_parallelize_loops::clone, pass_parallelize_loops::set_pass_param):
15933 New member function.
15934 (pass_parallelize_loops::bool oacc_kernels_p): New member var.
15935 * passes.def: Add argument to pass_parallelize_loops instantation.
15937 2016-01-18 Tom de Vries <tom@codesourcery.com>
15939 * tree-parloops.c (pass_parallelize_loops::execute): Allow
15940 pass_parallelize_loops to be run outside the loop pipeline.
15942 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
15944 * tree-scalar-evolution.c (follow_copies_to_constant): New.
15945 (analyze_initial_condition, analyze_scalar_evolution_1): Call previous.
15947 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
15950 * tree-ssa-scopedtables.c (avail_expr_hash): Hash MEM_REF and ARRAY_REF
15951 using get_ref_base_and_extent.
15952 (equal_mem_array_ref_p): New.
15953 (hashable_expr_equal_p): Add call to previous.
15955 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
15958 * tree-sra.c (disqualified_constants, constant_decl_p): New.
15959 (sra_initialize): Allocate disqualified_constants.
15960 (sra_deinitialize): Free disqualified_constants.
15961 (disqualify_candidate): Update disqualified_constants when appropriate.
15962 (create_access): Scan for constant-pool entries as we go along.
15963 (scalarizable_type_p): Add check against type_contains_placeholder_p.
15964 (maybe_add_sra_candidate): Allow constant-pool entries.
15965 (load_assign_lhs_subreplacements): Bind debug for constant pool vars.
15966 (initialize_constant_pool_replacements): New.
15967 (sra_modify_assign): Avoid mangling assignments created by previous,
15968 and don't generate writes into constant pool.
15969 (sra_modify_function_body): Call initialize_constant_pool_replacements.
15971 2016-01-18 Ilya Enkovich <enkovich.gnu@gmail.com>
15973 * config/i386/i386.c (scalar_to_vector_candidate_p): Support
15974 andnot instruction.
15975 (scalar_chain::convert_op): Likewise.
15976 * config/i386/i386.md (*andndi3_doubleword): New.
15978 2016-01-18 Richard Biener <rguenther@suse.de>
15980 PR tree-optimization/69170
15981 * tree-vect-slp.c (vect_build_slp_tree): Verify we are not
15982 building a vector from scalar results of a pattern stmt.
15984 2016-01-18 Jakub Jelinek <jakub@redhat.com>
15986 * haifa-sched.c (autopref_multipass_init): Work around
15987 -Wmaybe-uninitialized warning.
15989 2016-01-18 Thomas Preud'homme <thomas.preudhomme@arm.com>
15991 * config/arm/arm.c (thumb1_reorg): Check that the comparison is
15992 against the constant 0.
15994 2016-01-17 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
15996 PR tree-optimization/68799
15997 * gimple-ssa-strength-reduction.c (create_phi_basis): Directly
15998 look up phi candidates in the statement-candidate map.
15999 (phi_add_costs): Likewise.
16000 (record_phi_increments): Likewise.
16001 (phi_incr_cost): Likewise.
16002 (ncd_with_phi): Likewise.
16003 (all_phi_incrs_profitable): Likewise.
16005 2016-01-17 Jakub Jelinek <jakub@redhat.com>
16007 * omp-low.c (mark_loops_in_oacc_kernels_region): Work around
16008 -Wmaybe-uninitialized warning.
16010 2016-01-16 Sandra Loosemore <sandra@codesourcery.com>
16012 * doc/invoke.texi (Invoking GCC): Add new section to menu.
16013 (Option Summary): Update to reflect new section and moved options.
16014 (C++ Dialect Options): Move -fvtable-verify and related options.
16015 (Debugging Options): Move Sanitizer, Pointer Bounds Checker,
16016 and profiling-related options.
16017 (Optimization Options): Move profile generation options and
16018 -fstack-protector and related options.
16019 (Instrumentation Options): New section incorporating moved options.
16020 (Code Generation Options): Move -finstrument-functions and
16021 related options, -fstack-check, -fstack-limit*, and -fbounds-check.
16023 2016-01-16 Tom de Vries <tom@codesourcery.com>
16025 * passes.def: Move pass_expand_omp_ssa out of pass_parallelize_loops.
16027 2016-01-16 Tom de Vries <tom@codesourcery.com>
16029 * omp-low.c (expand_omp_atomic_fetch_op): Release defs of update stmt.
16031 2016-01-16 Richard Sandiford <richard.sandiford@arm.com>
16033 * hash-table.h (hash_table::empty): Turn into an inline wrapper
16034 that checks whether the table is already empty. Rename the
16035 original implementation to...
16036 (hash_table::empty_slot): ...this new private function.
16038 2016-01-15 David Malcolm <dmalcolm@redhat.com>
16040 PR diagnostic/68899
16041 * diagnostic-show-locus.c (layout::print_source_line): Move x
16042 offset of line until after call to
16043 get_line_width_without_trailing_whitespace.
16045 2016-01-15 Jeff Law <law@redhat.com>
16047 PR tree-optimization/69270
16048 * tree-ssanames.c (ssa_name_has_boolean_range): Moved here from
16049 tree-ssa-dom.c. Improve test for [0..1] ranve from VRP.
16050 * tree-ssa-dom.c (ssa_name_has_boolean_range): Remove.
16051 * tree-ssanames.h (ssa_name_has_boolean_range): Prototype.
16052 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
16053 ssa_name_has_boolean_range and constant_boolean_node.
16055 2016-01-15 Vladimir Makarov <vmakarov@redhat.com>
16057 PR rtl-optimization/69030
16058 * lra-spills.c (remove_pseudos): Check nrefs and make the function
16060 (spill_pseudos): Delete debug insn for dead pseudo.
16061 (lra_spill): Initiate spill_hard_reg and slots memory separately.
16063 2016-01-15 Jiong Wang <jiong.wang@arm.com>
16065 * config/aarch64/aarch64-builtins.c (aarch64_types_unopus_qualifiers):
16067 (TYPES_UNOPUS): Likewise.
16068 * config/aarch64/aarch64-simd-builtins.def (lbtruncuv2sf): Correct
16069 builtin type, from UNOP to UNOPUS.
16070 (lbtruncuv4sf): Likewise.
16071 (lbtruncuv2df): Likewise.
16072 (lrounduv2sf): Likewise.
16073 (lrounduv4sf): Likewise.
16074 (lrounduv2df): Likewise.
16075 (lroundusf): Likewise.
16076 (lroundusf): Likewise.
16077 (lceiluv2sf): Likewise.
16078 (lceiluv4sf): Likewise.
16079 (lceiluv2df): Likewise.
16080 (lceilusf): Likewise.
16081 (lceiludf): Likewise.
16082 (lflooruv2sf): Likewise.
16083 (lflooruv4sf): Likewise.
16084 (lflooruv2df): Likewise.
16085 (lfloorusf): Likewise.
16086 (lfloorudf): Likewise.
16087 (lfrintnuv2sf): Likewise.
16088 (lfrintnuv4sf): Likewise.
16089 (lfrintnuv2df): Likewise.
16090 (lfrintnusf): Likewise.
16091 (lfrintnudf): Likewise.
16092 * config/aarch64/arm_neon.h (vcvt_u32_f32): Remove unncessary type
16094 (vcvtq_u32_f32): Likewise.
16095 (vcvtq_u64_f64): Likewise.
16096 (vcvta_u32_f32): Likewise.
16097 (vcvtaq_u32_f32): Likewise.
16098 (vcvtaq_u64_f64): Likewise.
16099 (vcvtm_u32_f32): Likewise.
16100 (vcvtmq_u32_f32): Likewise.
16101 (vcvtmq_u64_f64): Likewise.
16102 (vcvtn_u32_f32): Likwise.
16103 (vcvtnq_u32_f32): Likewise.
16104 (vcvtnq_u64_f64): Likewise.
16105 (vcvtp_u32_f32): Likewise.
16106 (vcvtpq_u32_f32): Likewise.
16107 (vcvtpq_u64_f64): Likewise.
16108 (vcvtmd_u64_f64): Likewise.
16109 (vcvtms_u32_f32): Likewise.
16110 (vcvtad_u64_f64): Likewise.
16111 (vcvtas_u32_f32): Likewise.
16112 (vcvtnd_u64_f64): Likewise.
16113 (vcvtns_u32_f32): Likewise.
16114 (vcvtpd_u64_f64): Likewise.
16115 (vcvtps_u32_f32): Likewise.
16117 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
16119 * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Handle
16120 CSEL of zero_extended registers.
16122 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
16124 * config/aarch64/aarch64.c (aarch64_rtx_costs, COMPARE case):
16125 Handle COMPARE of ZERO_EXTRACT against zero form of TST-immediate.
16127 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
16129 * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Return
16130 false when argument string is not found in the attributes table
16133 2016-01-15 David Edelsohn <dje.gcc@gmail.com>
16136 * config/rs6000/rs6000.c (rs6000_emit_msub): Delete.
16137 (rs6000_emit_swsqrt): Convert to Goldschmidt's Algorithm
16138 * config/rs6000/rs6000.md (sqrt<mode>2): Limit swsqrt to high
16139 precision estimate.
16141 2016-01-15 Richard Biener <rguenther@suse.de>
16143 PR tree-optimization/66856
16144 * tree-vect-loop.c (vect_transform_loop): Free SLP instances here.
16145 * tree-vect-slp.c (vect_free_slp_tree): Decrement stmt reference count.
16146 (vect_create_new_slp_node): Increment stmt reference count.
16147 (vect_get_and_check_slp_defs): Make sure stmts are nor already in
16148 an SLP tree before swapping operands.
16149 (vect_build_slp_tree): Likewise.
16150 (destroy_bb_vec_info): Free stmt info after SLP instances.
16151 * tree-vect-stmts.c (new_stmt_vec_info): Initialize reference count.
16152 * tree-vectorizer.h (struct _stmt_vec_info): Add num_slp_uses field.
16153 (STMT_VINFO_NUM_SLP_USES): New macro.
16155 2016-01-15 Richard Biener <rguenther@suse.de>
16158 * dwarf2out.c (add_linkage_name_raw): New function split out from ...
16159 (add_linkage_name): ... here.
16160 (gen_typedef_die): Use add_linkage_name_raw instead of
16161 add_linkage_attr to delay DECL_ASSEMBLER_NAME computation
16164 2016-01-15 Cesar Philippidis <cesar@codesourcery.com>
16166 * gimplify.c (oacc_default_clause): Decode reference and pointer
16167 types for both kernels and parallel regions.
16169 2016-01-15 Richard Sandiford <richard.sandiford@arm.com>
16171 PR middle-end/69246
16172 * calls.c (emit_call_1): Force n_popped to zero for sibcalls.
16174 2016-01-15 Ilya Enkovich <enkovich.gnu@gmail.com>
16176 * config/i386/i386.c (scalar_chain::compute_convert_gain): Fix typo.
16177 (convert_scalars_to_vector): Likewise.
16179 2016-01-15 Jonathan Wakely <jwakely@redhat.com>
16181 * doc/extend.texi (Type Traits): Fix grammar.
16183 2016-01-15 Martin Jambor <mjambor@suse.cz>
16185 * tree-inline.c (remap_decl): Use existing dclarations if
16186 remapping a type and prevent_decl_creation_for_types.
16187 (replace_locals_stmt): Do an initial remapping of non-VLA typed
16188 decls first. Do real remapping with
16189 prevent_decl_creation_for_types set.
16190 * tree-inline.h (copy_body_data): New field
16191 prevent_decl_creation_for_types, moved remap_var_for_cilk to avoid
16194 2016-01-15 Dominik Vogt <vogt@linux.vnet.ibm.com>
16196 * config/s390/s390.opt (mmvcle): More verbose help text.
16198 2016-01-15 Dominik Vogt <vogt@linux.vnet.ibm.com>
16200 * config/s390/s390.opt: Add period to -mzvector option text.
16202 2016-01-15 Richard Biener <rguenther@suse.de>
16204 PR tree-optimization/68961
16205 * tree-vect-slp.c (vect_analyze_slp_cost_1): Consider cost
16206 of invariants in stores again.
16208 2016-01-15 Sebastian Huber <sebastian.huber@embedded-brains.de>
16210 * config/arm/t-rtems: Add cortex-m7/fpv5-d16 multilib.
16212 2016-01-15 Ilya Enkovich <enkovich.gnu@gmail.com>
16214 * config/i386/i386.c (ix86_expand_branch): Don't split
16215 DI mode xor instruction to SI mode.
16217 2016-01-15 Jan Hubicka <hubicka@ucw.cz>
16220 * ipa-icf.c (sem_function::merge): Virtual functions may become
16221 reachable even if they address is not taken and there are no
16224 2016-01-15 Jan Hubicka <hubicka@ucw.cz>
16226 * lto-streamer-out.c (subtract_estimated_size): New function.
16227 (get_symbol_initial_value): Use it.
16229 2016-01-15 Christian Bruel <christian.bruel@st.com>
16232 * config/arm/arm-builtins.c (ARM_BUILTIN_CRYPTO_BASE): New enum tag.
16233 (arm_init_neon_builtins_internal): Rename arm_init_neon_builtins,
16234 (arm_init_crypto_builtins_internal): Rename arm_init_crypto_builtins.
16235 use add_builtin_function_ext_scope instead of add_builtin_function.
16236 (neon_set_p, neon_crypto_set_p): Remove.
16237 (arm_init_builtins): Always call arm_init_neon_builtins and
16238 arm_init_crypto_builtins.
16239 (arm_expand_builtin): Check that builtins are allowed for the arch.
16240 * config/arm/arm-protos.h (arm_init_neon_builtins): Remove prototype.
16241 * config/arm/arm.c (arm_valid_target_attribute_tree): Remove
16242 arm_init_neon_builtins call.
16244 2016-01-15 Richard Biener <rguenther@suse.de>
16246 PR tree-optimization/69117
16247 * tree-ssa-sccvn.h (struct vn_ssa_aux): Add info member.
16248 * tree-ssa-sccvn.c (set_ssa_val_to): Save and adjust SSA name info
16249 of the leader conservatively.
16250 (free_scc_vn): Restore original SSA name infos.
16252 2016-01-14 Jeff Law <law@redhat.com>
16254 PR tree-optimization/69270
16255 * tree-ssa-dom.c (ssa_name_has_boolean_range): If the type has a
16256 single bit of precision, verify it's also unsigned.
16257 (record_edge_info): Use constant_boolean_node rather than fold_convert
16258 to convert boolean_true/boolean_false to the right type.
16260 2016-01-14 Richard Henderson <rth@redhat.com>
16263 * loop-doloop.c (record_reg_sets): New.
16264 (doloop_optimize): Reject the transform if the sequence
16265 clobbers registers live at the end of the loop block.
16266 (doloop_optimize_loops): Enable df_live if needed.
16268 2016-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
16270 * config/rs6000/rs6000-builtin.def: Revert 2016-01-13 change.
16271 * config/rs6000/rs6000.c: Likewise.
16272 * config/rs6000/rs6000.h: Likewise.
16273 * config/rs6000/rs6000.md: Likewise.
16274 * doc/extend.texi: Likewsie.
16276 2016-01-14 Jeff Law <law@redhat.com>
16278 * tree-ssa-dom.c (ssa_name_has_boolean_range): Fix comment
16281 2016-01-14 Richard Henderson <rth@redhat.com>
16285 * trans-mem.c (tm_log_emit_stmt): Fix unit size to bit size.
16286 * tree.c (build_tm_vector_builtins): Use builtin_decl_explicit_p
16287 instead of builtin_decl_declared_p to test for declaration.
16289 2016-01-14 Nicklas Bo Jensen <nbjensen@gmail.com>
16291 * doc/loop.texi (Loop Analysis and Representation): Document
16292 loop_depth function.
16294 2016-01-14 Tom de Vries <tom@codesourcery.com>
16296 PR tree-optimization/68773
16297 * omp-low.c (expand_omp_target): Don't set force_output.
16298 * varpool.c (varpool_node::get_create): Same.
16299 * lto-cgraph.c (input_offload_tables): Mark entries in offload_vars and
16300 offload_funcs with force_output.
16302 2016-01-14 Jakub Jelinek <jakub@redhat.com>
16305 * lra-eliminations.c (move_plus_up): Don't change anything if either
16306 the outer or inner subreg mode is not MODE_INT.
16307 * dwarf2out.c (mem_loc_descriptor): For SUBREG, if outer mode is
16308 integral <= DWARF2_ADDR_SIZE, convert to untyped afterwards.
16310 2016-01-14 Alan Lawrence <alan.lawrence@arm.com>
16312 * doc/md.texi (reduc_smin_@var{m}, reduc_smax_@var{m},
16313 reduc_umin_@var{m}, reduc_umax_@var{m}, reduc_splus_@var{m},
16314 reduc_uplus_@var{m}): Remove.
16315 * expr.c (expand_expr_real_2): Remove expansion path for
16316 reduc_[us](min|max|plus) optabs.
16317 * optabs-tree.c (scalar_reduc_to_vector): Remove.
16318 * optabs-tree.h (scalar_reduc_to_vector): Remove.
16319 * optabs.def (reduc_smax_optab, reduc_smin_optab, reduc_splus_optab,
16320 reduc_umax_optab, reduc_umin_optab, reduc_uplus_optab): Remove.
16321 * tree-vect-loop.c (vectorizable_reduction): Remove test for
16322 reduc_[us](min|max|plus) optabs.
16324 2016-01-14 Alan Lawrence <alan.lawrence@arm.com>
16326 * config/mips/mips-ps-3d.md (reduc_splus_v2sf): Remove.
16327 (reduc_plus_scal_v2sf): New.
16328 (reduc_smax_v2sf): Rename to...
16329 (reduc_smax_scal_v2sf): ...here, make result SFmode, add vec_extract.
16330 (reduc_smin_v2sf): Rename to...
16331 (reduc_smin_scal_v2sf): ...here, make result SFmode, add vec_extract.
16333 2016-01-14 Jan Hubicka <hubicka@ucw.cz>
16335 * alias.c (compare_base_symbol_refs): New function.
16336 (rtx_equal_for_memref_p, base_alias_check, memrefs_conflict_p): Use
16339 2016-01-14 Jakub Jelinek <jakub@redhat.com>
16341 PR middle-end/68146
16342 PR tree-optimization/69155
16343 * tree-complex.c: Include cfganal.h.
16344 (phis_to_revisit): New variable.
16345 (extract_component): Add phiarg_p argument. Assert that returned
16346 SSA_NAME has non-NULL SSA_NAME_DEF_STMT unless phiarg_p is true.
16347 (update_phi_components): Partly rewrite to use loop over real/imag
16348 components instead of code duplication. If extract_component returns
16349 SSA_NAME with NULL SSA_NAME_DEF_STMT, store SSA_NAME_VAR or
16350 create_tmp_reg into the PHI node instead, and mention the phi triplet
16351 in phis_to_revisit.
16352 (tree_lower_complex): Walk bbs in rpo order. Adjust phis recorded
16353 in phis_to_revisit at the end.
16355 2016-01-14 Richard Biener <rguenther@suse.de>
16357 PR tree-optimization/68060
16358 * tree-vect-loop.c (vect_is_simple_reduction): Check the
16359 outer loop reduction is only used in the inner loop before
16360 detecting a double reduction.
16362 2016-01-14 Jakub Jelinek <jakub@redhat.com>
16365 * combine.c (expand_field_assignment): Punt if compute_mode is
16366 unsupported scalar mode.
16368 2016-01-14 Richard Biener <rguenther@suse.de>
16370 PR tree-optimization/66856
16371 * tree-vect-slp.c (vect_build_slp_tree): Refactor to build
16372 SLP node only if it built successfully.
16373 (vect_analyze_slp_instance): Adjust.
16375 2016-01-14 Jeff Law <law@redhat.com>
16377 PR tree-optimization/69270
16378 * tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
16379 (record_edge_info): Use it. Convert boolean_{true,false}_node
16380 to the type of op0.
16382 2016-01-13 Jan Hubicka <hubicka@ucw.cz>
16385 * ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p):
16386 use block_ultimate_origin
16387 (noncall-stmt_may_be_vtbl_ptr_store): Likewise.
16389 2016-01-13 Sandra Loosemore <sandra@codesourcery.com>
16391 * doc/invoke.texi (Submodel Options): Rename section to
16392 "Machine-Dependent Options" to better reflect its content.
16393 Rewrite introductory text to remove archaic CPU names.
16396 2016-01-13 Sandra Loosemore <sandra@codesourcery.com>
16398 * doc/invoke.texi (Code Gen Options): Move section up in file,
16399 before target-specific options. Update menu and option summary
16400 to reflect the new section ordering.
16402 2016-01-13 Jonathan Wakely <jwakely@redhat.com>
16404 * doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
16405 (C++ Dialect Options): Add cross-reference to -std option.
16406 * doc/standards.texi (C++ Language): Document C++14 support.
16408 2016-01-13 Michael Meissner <meissner@linux.vnet.ibm.com>
16410 * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): Add support
16411 for pack/unpack functions for __ibm128.
16412 (PACK_IF): Likewise.
16413 (UNPACK_IF): Likewise.
16415 * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
16416 support for __ibm128 pack/unpack functions.
16417 (rs6000_invalid_builtin): Likewise.
16418 (rs6000_init_builtins): Likewise.
16419 (rs6000_opt_masks): Likewise.
16421 * config/rs6000/rs6000.h (MASK_FLOAT128): Add short name.
16422 (RS6000_BTM_FLOAT128): Add support for __ibm128 pack/unpack
16424 (RS6000_BTM_COMMON): Likewise.
16426 * config/rs6000/rs6000.md (f128_vsx): New mode attribute.
16427 (unpack<mode>): Use FMOVE128_FPR iterator instead of FMOVE128, to
16428 disallow __builtin_{pack,unpack}_longdouble if long double is IEEE
16429 128-bit floating point. Add support for the double values to be
16430 in Altivec registers for TF/IF packing and unpacking, but restrict
16431 TD packing sub-fields to be FPR registers. Don't allow overlapped
16432 register support for packing. Allow pack inputs to be memory
16433 locations. Don't build generator functions for unpack<mode>_dm
16434 and unpack<mode>_nodm.
16435 (unpack<mode>_dm): Likewise.
16436 (unpack<mode>_nodm): Likewise.
16437 (pack<mode>): Likewise.
16439 * config/rs6000/rs6000-builtin.def (__builtin_pack_ibm128): Add
16440 built-in functions to pack/unpack explicit __ibm128 values.
16441 (__builtin_unpack_ibm128): Likewise.
16443 * doc/extend.texi (PowerPC Built-in Functions): Document
16444 __builtin_pack_ibm128 and __builtin_unpack_ibm128.
16446 2016-01-13 Bernd Schmidt <bschmidt@redhat.com>
16449 * c-common.c (check_function_nonnull): Remove unnecessary declaration.
16450 Add new arg loc and pass it down as context.
16451 (check_nonnull_arg): Don't mark ctx arg as unused. Use it as a pointer
16452 to the location to use for the warning.
16453 (check_function_arguments): New arg loc. All callers changed. Pass
16454 it to check_function_nonnull.
16455 * c-common.h (check_function_arguments): Adjust declaration.
16457 2016-01-13 Jakub Jelinek <jakub@redhat.com>
16459 PR tree-optimization/69156
16460 * gimple.c (validate_type): Removed.
16461 (gimple_builtin_call_types_compatible_p): Use
16462 useless_type_conversion_p instead of validate_type.
16463 * value-prof.c (gimple_stringop_fixed_value): Fold
16464 icall_size to correct type.
16466 2016-01-13 Jonathan Wakely <jwakely@redhat.com>
16468 * doc/extend.texi (__atomic Builtins): Clarify compare_exchange
16471 2016-01-13 Richard Henderson <rth@redhat.com>
16474 * target.def (builtin_tm_load, builtin_tm_store): Remove.
16475 * config/i386/i386.c (ix86_builtin_tm_load): Remove.
16476 (ix86_builtin_tm_store): Remove.
16477 (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
16478 (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
16479 * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
16480 (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
16481 * doc/tm.texi: Rebuild.
16483 * gtm-builtins.def (BUILT_IN_TM_MEMCPY_RNWT): New.
16484 (BUILT_IN_TM_MEMCPY_RTWN): New.
16485 * trans-mem.c (tm_log_emit_stmt): Rearrange code for better
16486 fallback from vector to integer helpers.
16487 (build_tm_load): Handle vector types directly, instead of
16489 (build_tm_store): Likewise.
16490 (expand_assign_tm): Prepare for register types not handled by
16491 the above. Copy them to memory and use memcpy.
16492 * tree.c (tm_define_builtin): New.
16493 (find_tm_vector_type): New.
16494 (build_tm_vector_builtins): New.
16495 (build_common_builtin_nodes): Call it.
16497 2016-01-13 Uros Bizjak <ubizjak@gmail.com>
16499 * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Return -1 for
16500 TARGET_SSE_MATH without TARGET_SSE2. Rewrite.
16502 2016-01-13 Tom de Vries <tom@codesourcery.com>
16504 PR tree-optimization/69169
16505 * tree-ssa-structalias.c (create_variable_info_for_1): Add and handle
16506 handled_struct_type param.
16507 (create_variable_info_for, intra_create_variable_infos): Call
16508 create_variable_info_for_1 with extra arg.
16510 2016-01-13 Yvan Roux <yvan.roux@linaro.org>
16512 * config/arm/arm-arches.def: Remove spurious whitespace in "armv8.1-a"
16513 and "armv8.1-a+crc" entries.
16515 2016-01-13 Alexander Fomin <alexander.fomin@intel.com>
16518 * config/i386/sse.md (define_expand "avx512pf_gatherpf<mode>sf"):
16519 Change first operand predicate from register_or_constm1_operand
16520 to register_operand.
16521 (define_expand "avx512pf_gatherpf<mode>df"): Likewise.
16522 (define_expand "avx512pf_scatterpf<mode>sf"): Likewise.
16523 (define_expand "avx512pf_scatterpf<mode>df"): Likewise.
16524 (define_insn "*avx512pf_gatherpf<mode>sf"): Remove.
16525 (define_insn "*avx512pf_gatherpf<mode>df"): Likewise.
16526 (define_insn "*avx512pf_scatterpf<mode>sf"): Likewise.
16527 (define_insn "*avx512pf_scatterpf<mode>df"): Likewise.
16528 * config/i386/i386.c (ix86_expand_builtin): Remove first operand
16529 comparison with constm1_rtx from vec_prefetch_gen part.
16531 2016-01-13 Richard Biener <rguenther@suse.de>
16533 PR tree-optimization/69013
16534 * tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths):
16535 Exchange assert for a test.
16537 2016-01-13 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
16540 * config/s390/s390.md (bswaphi splitter): Use simplify_gen_subreg.
16542 2016-01-13 Richard Biener <rguenther@suse.de>
16544 PR tree-optimization/69242
16545 * tree-ssa-sccvn.c (visit_reference_op_load): Replace bogus
16546 assert with a check.
16548 2016-01-13 Richard Biener <rguenther@suse.de>
16550 PR tree-optimization/69186
16551 * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
16552 Properly guard vect_update_misalignment_for_peel call.
16554 2016-01-12 Jeff Law <law@redhat.com>
16556 PR tree-optimization/pr67755
16557 * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add new field
16558 "need_profile_correction".
16559 (thread_block_1): Initialize new field to false by default. If we
16560 have multiple thread paths through a common joiner to different
16561 final targets, then set new field to true.
16562 (compute_path_counts): Only do count adjustment when it's really
16565 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
16567 * doc/invoke.texi (Spec Files): Move section down in file, past
16568 all command-line option descriptions.
16570 2016-01-12 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
16572 PR middle-end/54809
16573 * doc/gty.texi: Remove documentation of mark_hook.
16574 * gengtype.c (struct write_types_data): Remove code to support
16575 mark_hook attribute.
16576 (walk_type): Likewise.
16577 (write_func_for_structure): Likewise.
16579 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
16581 * doc/invoke.texi (Option Summary) Move -no-canonical-prefixes to
16582 Directory Options, and -specs= to Overall Options.
16583 (Overall Options): Adjust similarly. Reorder to group related
16584 options together. Make -specs= cross-reference the spec file details.
16585 (Directory Options): Adjust similarly.
16587 2016-01-12 Jeff Law <law@redhat.com>
16589 * tree-ssa-threadupdate.c: Various whitespace and typo fixes.
16591 2016-01-12 Olivier Hainque <hainque@adacore.com>
16593 * gcc.c (spec_undefvar_allowed): New global.
16594 (process_command): Set to true when running for --version or --help,
16596 (getenv_spec_function): When the variable is not defined, use the
16597 variable name as the variable value if we're allowed not to issue
16600 2016-01-12 Bin Cheng <bin.cheng@arm.com>
16602 PR tree-optimization/68911
16603 * tree-vrp.c (adjust_range_with_scev): Check overflow in range
16604 information computed for expression "init + nit * step".
16606 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
16608 * doc/invoke.texi (Invoking GCC): Copy-edit. Incorporate information
16609 about name of GCC executable. Remove deleted node from menu.
16610 (Directory Options) <-B>: Remove cross-reference to deleted node.
16611 (Target Options): Delete section.
16613 2016-01-12 Christian Bruel <christian.bruel@st.com>
16616 * config/arm/arm-c.c (arm_pragma_target_parse): Set NODE_CONDITIONAL
16617 for __ARM_NEON_FP, __ARM_FP, _ARM_FEATURE_LDREX.
16619 2016-01-12 Jakub Jelinek <jakub@redhat.com>
16622 * config/i386/i386.c (ix86_expand_special_args_builtin): Ensure
16623 aligned_mem is properly set for AVX512-VL floating point masked
16627 * ifcvt.c (cond_exec_process_if_block): When removing the last
16628 insn from then_bb, remove also any possible barriers that follow it.
16630 2016-01-12 H.J. Lu <hongjiu.lu@intel.com>
16634 * config/i386/iamcu.h (SIZE_TYPE): New macro.
16635 (PTRDIFF_TYPE): Likewise.
16636 (WCHAR_TYPE): Likewise.
16637 (WCHAR_TYPE_SIZE): Likewise.
16638 (STDINT_LONG32): Likewise.
16640 2016-01-12 Richard Biener <rguenther@suse.de>
16642 PR tree-optimization/69053
16643 * tree-vect-loop.c (get_initial_def_for_reduction): Properly
16644 convert initial value for cond reductions.
16646 2016-01-12 Richard Biener <rguenther@suse.de>
16648 PR tree-optimization/69007
16649 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Move
16650 widen_sum after dot_prod and sad.
16652 2016-01-12 Richard Biener <rguenther@suse.de>
16654 PR tree-optimization/69168
16655 * tree-vect-loop.c (vect_analyze_loop_2): Reset both main and
16656 pattern stmt SLP type.
16657 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Patterns may
16658 end up unused so cope with that case.
16660 2016-01-12 Richard Biener <rguenther@suse.de>
16662 PR tree-optimization/69157
16663 * tree-vect-stmts.c (vectorizable_mask_load_store): Check
16664 stmts def type only during analyze phase.
16665 (vectorizable_call): Likewise.
16666 (vectorizable_simd_clone_call): Likewise.
16667 (vectorizable_conversion): Likewise.
16668 (vectorizable_assignment): Likewise.
16669 (vectorizable_shift): Likewise.
16670 (vectorizable_operation): Likewise.
16671 (vectorizable_store): Likewise.
16672 (vectorizable_load): Likewise.
16674 2016-01-12 Richard Biener <rguenther@suse.de>
16676 PR tree-optimization/69174
16677 * tree-vect-stmts.c (vect_mark_relevant): Remove excessive vertical
16679 (vectorizable_load): Properly compute the number of loads needed
16680 for permuted strided SLP loads and do not spuriously assign
16681 to SLP_TREE_VEC_STMTS.
16683 2016-01-12 Andris Pavenis <andris.pavenis@iki.fi>
16685 * config/i386/djgpp.h (PREFERRED_DEBUGGING_TYPE): Define to DWARF2
16686 (TARGET_ASM_OUTPUT_IDENT): Define to default_asm_output_ident_directive
16687 (MD_EXEC_PREFIX): Remove.
16688 (MD_STARTFILE_PREFIX) Removee.
16689 (FILE_NAME_ABSOLUTE_P): Remove.
16690 (CPP_SPEC): Do not read macros from sys/version.h.
16691 (LINK_COMMAND_SPEC): Remove.
16692 (LOCAL_INCLUDE_DIR): Remove.
16693 (TARGET_ASM_NAMED_SECTION): Define to i386_djgpp_asm_named_section
16694 (TARGET_OS_CPP_BUILTINS): Add DJGPP (non ISO only), __DJGPP, __DJGPP__, unix.
16695 (POST_LINK_SPEC): Define to invoke stubify after linker
16696 (LIBSTDCXX): Remove define
16697 (DBX_REGISTER_NUMBER): Define to svr4_dbx_register_map.
16698 (DEFAULT_PCC_STRUCT_RETURN): Define to 1.
16699 (SUBTARGET_OVERRIDE_OPTIONS): Remove warning about -mbnu2210.
16700 (SUBTARGET_OVERRIDE_OPTIONS): Ignore -fPIC and generate message.
16701 (SUBTARGET_OVERRIDE_OPTIONS): Default to DWARF2 debugging info.
16702 (IX86_MAYBE_NO_LIBGCC_TFMODE): Remove.
16703 (i386_djgpp_asm_named_section): Add propotype of new procedure
16705 * config/i386/xm-djgpp.h (NATIVE_SYSTEM_HEADER_DIR): Define.
16706 (MD_EXEC_PREFIX): Define (moved from config/i386/djgpp.h).
16707 (STANDARD_STARTFILE_PREFIX_1): Define (moved from MD_STARTFILE_PREFIX
16708 in config/i386/djgpp.h).
16709 (STANDARD_STARTFILE_PREFIX_2): Define identical to
16710 STANDARD_STARTFILE_PREFIX_1.
16711 (LOCAL_INCLUDE_DIR): Define (moved from config/i386/djgpp.h).
16712 (GCC_DRIVER_HOST_INITIALIZATION): Fix reporting fatal
16713 installation errors.
16714 (MAX_OFILE_ALIGNMENT): Define to 128.
16715 (HAVE_FTW_H): Undefine as DJGPP do not have nftw, but have ftw.h.
16717 * config/i386/djgpp.c: New file. Add implementation of
16718 i386_djgpp_asm_named_section.
16720 * config/i386/djgpp.opt: Remove obsolete option -mbnu210.
16722 * config/i386/t-djgpp: New file. Add djgpp.o to EXTRA_OBJS.
16723 Add rule for building djgpp.o.
16725 2016-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
16727 * config/rs6000/rs6000.c (v2df_reduction_p): New function.
16728 (rtx_is_swappable_p): Reductions are swappable.
16729 (insn_is_swappable_p): V2DF reductions are swappable.
16731 2016-01-11 John David Anglin <danglin@gcc.gnu.org>
16733 * config/pa/pa.c (pa_emit_move_sequence): Handle floating point
16734 reloads for other unsupported memory operands.
16736 2016-01-12 Kugan Vivekanandarajah <kuganv@linaro.org>
16737 Jim Wilson <jim.wilson@linaro.org>
16740 * config/arm/arm-builtins.c (arm_expand_neon_args): Call
16741 copy_to_mode_reg instead of force_reg.
16743 2016-01-11 H.J. Lu <hongjiu.lu@intel.com>
16746 * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Set to 2 only if
16747 TARGET_80387 is true.
16749 2016-01-11 Jakub Jelinek <jakub@redhat.com>
16752 * lra-eliminations.c (move_plus_up): Only move plus up
16753 if subreg of the constant can be simplified into constant
16754 and use the simplified subreg of the constant instead of
16755 the original constant.
16757 * fold-const.c (fold_convertible_p): Don't return true
16758 for conversion of VECTOR_TYPE to same sized integral type.
16759 (fold_convert_loc): Fix up formatting. Fold conversion of
16760 VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
16761 instead of NOP_EXPR.
16763 PR tree-optimization/69214
16764 * tree-vrp.c (simplify_cond_using_ranges): Don't propagate
16765 innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
16768 PR tree-optimization/69207
16769 * tree-vect-slp.c (vect_get_constant_vectors): For
16770 VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of
16771 fold_convertible_p to vector_type's element type, and always
16772 use VCE for non-VECTOR_BOOLEAN_TYPE_P.
16774 2016-01-11 Richard Biener <rguenther@suse.de>
16776 PR tree-optimization/69173
16777 * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Only
16778 fixup the cycle if all stmts are in a pattern.
16780 2016-01-11 Uros Bizjak <ubizjak@gmail.com>
16782 PR middle-end/68999
16783 * alias.c (base_alias_check): Move check for addresses with
16784 alignment ANDs before the call for compare_base_decls.
16785 (memrefs_conflict_p): Return -1 for different decls
16786 that went through alignment adjustments.
16788 2016-01-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
16790 PR rtl-optimization/68796
16791 * config/aarch64/aarch64.md (*and<mode>_compare0): New pattern.
16792 * config/aarch64/aarch64.c (aarch64_select_cc_mode): Handle HImode
16793 and QImode comparisons against zero with CC_NZmode.
16794 * config/aarch64/iterators.md (short_mask): New mode_attr.
16796 2016-01-11 H.J. Lu <hongjiu.lu@intel.com>
16798 * config/i386/sse.md (<avx512>_load<mode>_mask): Remove snprintf.
16799 (<avx512>_store<mode>_mask): Likewise.
16801 2016-01-11 Bernd Schmidt <bschmidt@redhat.com>
16802 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
16804 PR rtl-optimization/68841
16805 * ifcvt.c (struct noce_if_info): Add orig_x field.
16806 (bbs_ok_for_cmove_arith): Add to_rename parameter.
16807 Don't record conflicts on to_rename if it's present.
16808 Allow memory destinations in sets.
16809 (noce_try_cmove_arith): Call bbs_ok_for_cmove_arith even on simple
16810 blocks, passing orig_x to the checks.
16811 (noce_process_if_block): Set if_info->orig_x appropriately.
16813 2016-01-11 Tom de Vries <tom@codesourcery.com>
16815 PR tree-optimization/69069
16816 * tree-parloops.c (create_parallel_loop): Add missing phi args.
16818 2016-01-11 Yuri Rumyantsev <ysrumyan@gmail.com>
16820 PR rtl-optimization/68920
16821 * config/i386/i386.c (ix86_option_override_internal): Restrict number
16822 of conditional moves for RTL if-conversion to 1 for
16823 TARGET_ONE_IF_CONV_INSN.
16824 * config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
16825 * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
16826 * params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
16827 parameter to restirct number of conditional moves for
16829 * doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
16830 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
16833 2016-01-11 Alexandre Oliva <aoliva@redhat.com>
16836 * var-tracking.c (drop_overlapping_mem_locs): Operate on all
16837 onepart vars. Fix typo in comment. Fix reversed condition in
16839 (dataflow_set_remove_mem_locs): Operate on all onepart vars.
16842 * var-tracking.c (dump_onepart_variable_differences): New.
16843 (dataflow_set_different): If a detailed dump is requested,
16844 delay early returns and dump differences between onepart
16845 variables present before and after, and added variables.
16847 2016-01-11 Ilya Enkovich <enkovich.gnu@gmail.com>
16850 * expr.c (expand_expr_real_1): For boolean vector constants
16851 with a scalar mode use const_scalar_mask_from_tree.
16852 (const_scalar_mask_from_tree): New.
16853 * optabs.c (expand_vec_cond_mask_expr): Use mask mode
16854 assigned to a mask type to handle constants.
16856 2016-01-11 Martin Jambor <mjambor@suse.cz>
16859 * ipa-cp.c (estimate_local_effects): Do not clone for removal of
16860 useless parameters if we cannot change function signature.
16862 2016-01-11 Martin Jambor <mjambor@suse.cz>
16865 * cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
16868 2016-01-11 Tom de Vries <tom@codesourcery.com>
16870 PR tree-optimization/69109
16871 * tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
16874 2016-01-11 Tom de Vries <tom@codesourcery.com>
16876 PR tree-optimization/69108
16877 * tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
16878 res is not used in a phi.
16880 2016-01-11 Yury Gribov <y.gribov@samsung.com>
16883 * common.opt (frandom-seed): Fix parameter name.
16884 * doc/invoke.texi (frandom-seed): Ditto and describe parameter.
16886 2016-01-11 Tom de Vries <tom@codesourcery.com>
16888 PR tree-optimization/69058
16889 * tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
16892 2016-01-11 Andrew Burgess <andrew.burgess@embecosm.com>
16894 * config/arc/arc.opt (mdiv-rem): Add period to the end.
16895 (mcode-density): Likewise.
16897 2016-01-10 Tom de Vries <tom@codesourcery.com>
16899 PR tree-optimization/69062
16900 * tree-parloops.c (loop_has_phi_with_address_arg): New function.
16901 (parallelize_loops): Don't paralelize loop that has phi with address
16904 2016-01-10 Tom de Vries <tom@codesourcery.com>
16906 PR tree-optimization/69039
16907 * tree-parloops.c (try_create_reduction_list): Only allow single exit
16910 2016-01-09 John David Anglin <danglin@gcc.gnu.org>
16912 PR middle-end/68743
16913 * match.pd: Require target has function_c99_misc before doing
16914 truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.
16916 2016-01-09 Gerald Pfeifer <gerald@pfeifer.com>
16918 * configure.ac (isl_options_set_schedule_serialize_sccs): Also
16920 * configure: Regenerate.
16922 2016-01-09 Jakub Jelinek <jakub@redhat.com>
16924 PR middle-end/50865
16925 PR tree-optimization/69097
16926 * fold-const.h (expr_not_equal_to): New prototype.
16927 * fold-const.c: Include stringpool.h and tree-ssanames.h.
16928 (expr_not_equal_to): New function.
16929 * match.pd (X % -Y is the same as X % Y): Don't optimize
16930 unless X is known not to be equal to minimum or Y is known
16931 not to be equal to -1.
16932 * tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
16933 fold TRUNC_MOD_EXPR if the second argument is not a power of two.
16934 (simplify_stmt_using_ranges): Adjust caller.
16935 (vrp_finalize): Call set_value_range on SSA_NAMEs before calling
16936 substitute_and_fold.
16938 2016-01-09 Jan Hubicka <hubicka@ucw.cz>
16940 * ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
16943 2016-01-08 Jakub Jelinek <jakub@redhat.com>
16945 PR tree-optimization/69167
16946 * gimple-fold.c (replace_stmt_with_simplification): Also punt if
16947 new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
16949 * gimple-match-head.c (maybe_push_res_to_seq): Likewise.
16951 2016-01-08 Alan Lawrence <alan.lawrence@arm.com>
16952 Richard Biener <rguenther@suse.de>
16954 PR tree-optimization/68707
16955 * tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
16956 instances that can be handled via vect_load_lanes.
16958 2016-01-08 Uros Bizjak <ubizjak@gmail.com>
16960 * symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
16961 if we can't determine address equivalence.
16962 * alias.c (compare_base_decl): Update for changed return value of
16963 symtab_node::equal_address_to.
16965 2016-01-08 Jason Merrill <jason@redhat.com>
16969 * function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
16970 * expr.c (store_field): Not here.
16971 * tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
16972 call with TREE_ADDRESSABLE type.
16973 * tree-cfg.c (verify_gimple_call): Adjust.
16975 2016-01-08 Olivier Hainque <hainque@adacore.com>
16977 * config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
16980 2016-01-08 Alan Lawrence <alan.lawrence@arm.com>
16982 * gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
16983 (reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
16984 (reduc_smin_v2sf): Rename to...
16985 (reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
16986 (reduc_splus_v2sf): Rename to...
16987 (reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.
16989 2016-01-08 Jakub Jelinek <jakub@redhat.com>
16991 PR tree-optimization/69162
16992 * gimplify.c (gimplify_va_arg_expr): Encode original type of
16993 valist argument in another argument.
16994 (gimplify_modify_expr): Adjust for the above change. Cleanup.
16995 * tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
16996 to determine the va_list type, build a MEM_REF instead of
16997 build_fold_indirect_ref.
16999 PR tree-optimization/69172
17000 * gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
17003 2016-01-08 Thomas Preud'homme <thomas.preudhomme@arm.com>
17005 PR tree-optimization/67781
17006 * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
17007 and cmpnop in two steps: first the ones not accessed in original
17008 gimple expression in a endian independent way and then the ones not
17009 accessed in the final result in an endian-specific way.
17011 2016-01-08 Jakub Jelinek <jakub@redhat.com>
17013 PR tree-optimization/69083
17014 * tree-vect-slp.c (vect_get_constant_vectors): For
17015 VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
17016 element type. If op is fold_convertible_p to vector_type's element
17017 type, use NOP_EXPR instead of VCE.
17019 2016-01-08 Segher Boessenkool <segher@kernel.crashing.org>
17021 PR rtl-optimization/67778
17022 PR rtl-optimization/68634
17023 PR rtl-optimization/68909
17024 * shrink-wrap.c (try_shrink_wrapping): Add comment. Don't pop
17025 block from the stack until done with it. Remove a superfluous
17026 bitmap set. Remove a superfluous bitmap test.
17028 2016-01-07 Martin Sebor <msebor@redhat.com>
17031 * doc/extend.texi (__atomic Builtins, __sync Builtins): Document
17032 constraint on the type of arguments.
17034 2016-01-07 Andreas Tobler <andreast@gcc.gnu.org>
17036 * config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
17037 SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
17038 unaligned_access on the gcc_options set.
17039 * config/arm/arm.c (arm_option_override_internal): Use
17040 SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.
17042 2016-01-07 Uros Bizjak <ubizjak@gmail.com>
17045 * config/i386/i386.c (ix86_frame_pointer_required): Enable
17046 frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.
17048 2016-01-07 Uros Bizjak <ubizjak@gmail.com>
17051 2016-01-06 Uros Bizjak <ubizjak@gmail.com>
17054 * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
17055 depending on frame_pointer_needed before remaining integer and SSE
17056 registers are saved.
17058 2016-01-07 Sandra Loosemore <sandra@codesourcery.com>
17061 * doc/extend.texi (Nvidia PDX Function Attributes): New section.
17063 2016-01-07 H.J. Lu <hongjiu.lu@intel.com>
17066 * config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
17067 Use the "xBm" constraint.
17068 (float<sseintvecmodelower><mode>2<mask_name><round_name):
17070 (sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
17071 (sse_cvtsi2ssq<round_name>): Likewise.
17072 (sse_cvtss2si<round_name>): Likewise.
17073 (sse_cvtss2siq<round_name>): Likewise.
17074 (sse2_cvtsi2sdq<round_name>): Likewise.
17075 (sse2_cvtsd2si<round_name>): Likewise.
17076 (sse2_cvtsd2siq<round_name>): Likewise.
17077 * config/i386/subst.md (round_nimm_scalar_predicate): New
17080 2015-12-15 Bernd Schmidt <bschmidt@redhat.com>
17082 PR middle-end/67639
17083 * varasm.c (make_decl_rtl): Mark invalid register vars as
17086 PR rtl-optimization/66206
17087 * bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
17088 All callers changed.
17090 2016-01-07 Jakub Jelinek <jakub@redhat.com>
17092 PR tree-optimization/69141
17093 * tree-ssa-pre.c: Include langhooks.h.
17094 (eliminate_dom_walker::before_dom_children): Use
17095 lang_hooks.decl_printable_name instead of
17096 cgraph_node::get ()->name ().
17098 PR middle-end/68960
17099 * gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
17100 it and DECL_ALIGN too.
17102 2016-01-06 Robert Suchanek <robert.suchanek@imgtec.com>
17104 * config/mips/mips-ftypes.def: Sort to lexicographical order.
17106 2016-01-06 Uros Bizjak <ubizjak@gmail.com>
17109 * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
17110 depending on frame_pointer_needed before remaining integer and SSE
17111 registers are saved.
17113 2015-01-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
17115 * config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
17116 mode iterator with VSX_M2.
17117 (*p9_vecstore_<mode>): Likewise.
17118 (*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
17119 (*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
17120 (*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
17121 (define_split for VSX_LE128 stores): Likewise.
17122 (define_peephole2 for TImode LE swaps): Likewise.
17123 (define_split for VSX_LE128 post-reload stores): Likewise.
17125 2016-01-06 Marek Polacek <polacek@redhat.com>
17128 * convert.c (convert_to_integer_1): Adjust call to
17129 ubsan_instrument_float_cast. Use NULL_TREE instead of NULL.
17130 * ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter. Use
17131 EXPR instead of ARG.
17132 * ubsan.h (ubsan_instrument_float_cast): Adjust declaration.
17134 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
17137 * doc/extend.texi (RL78 Variable Attributes): New section.
17139 2016-01-05 Marek Polacek <polacek@redhat.com>
17142 * builtins.c (get_memmodel): Use expansion point location rather than
17143 the input location. Call warning_at rather than warning.
17144 (expand_builtin_atomic_compare_exchange): Likewise.
17145 (expand_builtin_atomic_load): Likewise.
17146 (expand_builtin_atomic_store): Likewise.
17147 (expand_builtin_atomic_clear): Likewise.
17149 2016-01-05 H.J. Lu <hongjiu.lu@intel.com>
17152 * config/i386/i386.c (ix86_expand_vector_logical_operator):
17153 Replace nonimmediate_operand with vector_operand.
17154 * config/i386/predicates.md (vector_operand): New predicate.
17155 (general_vector_operand): Replace nonimmediate_operand with
17157 * config/i386/sse.md: Replace nonimmediate_operand with
17158 vector_operand and m constraint with Bm constraint on SSE
17159 patterns with 16-byte memory operand.
17160 * config/i386/subst.md (round_nimm_predicate): Replace
17161 nonimmediate_operand with vector_operand.
17162 (round_saeonly_nimm_predicate): Likewise.
17163 (round_saeonly_nimm_scalar_predicate): New.
17165 2016-01-05 H.J. Lu <hongjiu.lu@intel.com>
17168 * config/i386/constraints.md (Bm): New constraint.
17169 * config/i386/predicates.md (vector_memory_operand): New
17171 * config/i386/sse.md: Replace xm with xBm in plusminus and
17172 any_logic patterns.
17174 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
17177 * doc/extend.texi (V850 Function Attributes): New section.
17178 (V850 Variable Attributes): New section.
17180 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
17183 * doc/extend.texi (MicroBlaze Function Attributes): Document
17184 interrupt_handler and fast_interrupt attributes.
17186 2016-01-05 Sergei Trofimovich <siarheit@google.com>
17189 * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
17190 for local symbolic operands.
17191 * config/ia64/predicates.md (local_symbolic_operand64): New
17194 2016-01-05 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
17196 PR rtl-optimization/68651
17197 * combine.c (combine_simplify_rtx): Canonicalize x + x into
17200 2016-01-05 Nathan Sidwell <nathan@acm.org>
17202 * alias.c (compare_base_decls): Use symtab_node::get.
17204 2016-01-05 Nick Clifton <nickc@redhat.com>
17207 * ira-costs.c (copy_cost): Initialise the t_icode field of the
17208 secondary_reload_info structure.
17211 * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
17212 decls if weak support is available.
17214 2016-01-04 Martin Sebor <msebor@redhat.com>
17216 * doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.
17218 2016-01-04 Michael Meissner <meissner@linux.vnet.ibm.com>
17220 * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
17221 OPTION_MASK_P9_DFORM.
17223 * config/rs6000/constraints.md (wo constraint): New constraint for
17226 * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
17228 (rs6000_init_hard_regno_mode_ok): Likewise.
17230 * config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
17233 * config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
17234 expanders not to have constraints. Add support for ISA 3.0 xxperm
17235 instruction. Add support for fusing xxlor with xxperm.
17236 (altivec_vperm_<mode>_internal): Likewise.
17237 (altivec_vperm_v8hiv16qi): Likewise.
17238 (altivec_vperm_<mode>v16q): Likewise.
17239 (altivec_vperm_<mode>_uns): Likewise.
17240 (vperm_v8hiv4si): Likewise.
17241 (vperm_v16qiv8hi): Likewise.
17243 * doc/md.texi (RS/6000 constraints): Document wo constraint.
17245 2016-01-04 Jakub Jelinek <jakub@redhat.com>
17247 Update copyright years.
17249 * gcc.c (process_command): Update copyright notice dates.
17250 * gcov-dump.c (print_version): Ditto.
17251 * gcov.c (print_version): Ditto.
17252 * gcov-tool.c (print_version): Ditto.
17253 * gengtype.c (create_file): Ditto.
17254 * doc/cpp.texi: Bump @copying's copyright year.
17255 * doc/cppinternals.texi: Ditto.
17256 * doc/gcc.texi: Ditto.
17257 * doc/gccint.texi: Ditto.
17258 * doc/gcov.texi: Ditto.
17259 * doc/install.texi: Ditto.
17260 * doc/invoke.texi: Ditto.
17262 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
17264 * config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
17265 modes larger than TImode as TImode if NEON is not enabled.
17267 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
17270 * config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
17271 mode for %f0-%f31 only if TARGET_FPU.
17273 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
17276 * config/sparc/sparc.c (scan_record_type): Take into account subfields
17277 to compute the PACKED_P predicate.
17278 (function_arg_record_value): Minor tweaks.
17280 2016-01-04 Thomas Preud'homme <thomas.preudhomme@arm.com>
17282 * doc/install.texi (--with-multilib-list): Describe the meaning of the
17283 option for arm*-*-* targets.
17285 2016-01-03 Sandra Loosemore <sandra@codesourcery.com>
17287 * doc/extend.texi (Common Function Attributes): Move docs for
17288 MSP430-specific attributes to....
17289 (MSP430 Function Attributes): ...here. Delete the redundant
17290 entries and copy-edit the remaining text.
17291 (MSP430 Variable Attributes): Use uniform format for index
17292 entries and add a cross-reference to the corresponding function
17295 2016-01-03 Vladimír Čunát <vcunat@gmail.com>
17297 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix
17299 (x86 Options): Likewise.
17301 2016-01-01 Sandra Loosemore <sandra@codesourcery.com>
17305 * extend.texi (Common Function Attributes) <no_stack_limit>: New.
17306 * invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
17307 to corresponding attribute.
17309 2016-01-01 Sandra Loosemore <sandra@codesourcery.com>
17311 * doc/extend.texi (Common Function Attributes) <noplt>: Move
17312 to correct alphabetization of table. Copy-edit and correct
17314 <stack_protect>: Likewise.
17315 <target_clones>: Likewise.
17317 * doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
17318 Correct punctuation.
17319 (Code Gen Options) <-fno-plt>: Copy-edit.
17321 2016-01-01 Bernd Edlinger <bernd.edlinger@hotmail.de>
17324 * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
17325 SI values. Explicitly convert SI to DI and vice-versa.
17327 2016-01-01 Jakub Jelinek <jakub@redhat.com>
17329 PR tree-optimization/69070
17330 * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
17331 REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.
17334 * ubsan.c (ubsan_instrument_float_cast): Call
17335 initialize_sanitizer_builtins.
17338 * ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
17340 Copyright (C) 2016 Free Software Foundation, Inc.
17342 Copying and distribution of this file, with or without modification,
17343 are permitted in any medium without royalty provided the copyright
17344 notice and this notice are preserved.