1 2016-08-01 Georg-Johann Lay <avr@gjlay.de>
3 * doc/extend.texi (AVR Built-in Functions): Document
5 * config/avr/builtins.def (NOPS): New.
6 * config/avr/avr.c (avr_expand_nops): New static function.
7 (avr_expand_builtin): Use it to handle AVR_BUILTIN_NOPS.
9 2016-08-01 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
11 * config/aarch64/aarch64.c (aarch64_classify_address): Use DImode when
12 performing aarch64_offset_7bit_signed_scaled_p check for TImode LDP/STP
15 2016-08-01 Virendra Pathak <virendra.pathak@broadcom.com>
17 * config/aarch64/aarch64.c (vulcan_tunings): Update
18 vulcan L1 cache_line_size.
20 2016-07-30 Michael Meissner <meissner@linux.vnet.ibm.com>
22 * config/rs6000/rs6000-protos.h (rs6000_adjust_vec_address): New
23 function that takes a vector memory address, a hard register, an
24 element number and a temporary base register, and recreates an
25 address that points to the appropriate element within the vector.
26 * config/rs6000/rs6000.c (rs6000_adjust_vec_address): Likewise.
27 (rs6000_split_vec_extract_var): Add support for the target of a
28 vec_extract with variable element number being a scalar memory
30 (rtx_is_swappable_p): VLSO insns (UNSPEC_VSX_VSLOW) are not
32 * config/rs6000/vsx.md (vsx_extract_<mode>_load): Replace
33 vsx_extract_<mode>_load insn with a new insn that optimizes
34 storing either element to a memory location, using scratch
35 registers to pick apart the vector and reconstruct the address.
36 (vsx_extract_<P:mode>_<VSX_D:mode>_load): Likewise.
37 (vsx_extract_<mode>_store): Rework alternatives to more correctly
38 support Altivec registers. Add support for ISA 3.0 Altivec d-form
40 (vsx_extract_<mode>_var): Add support for extracting a variable
41 element number from memory.
43 2016-07-29 Georg-Johann Lay <avr@gjlay.de>
45 * config/avr/avr.c (avr_out_compare): Use const0_rtx instead of 0
46 when testing for compares against constants of the form 0xabab.
48 2016-07-29 Bin Cheng <bin.cheng@arm.com>
50 PR tree-optimization/57558
51 * tree-vect-loop-manip.c (vect_create_cond_for_niters_checks): New
53 (vect_loop_versioning): Support versioning with niter assumptions.
54 * tree-vect-loop.c (tree-ssa-loop.h): Include header file.
55 (vect_get_loop_niters): New parameter. Reimplement to support
56 assumptions in loop niter info.
57 (vect_analyze_loop_form_1, vect_analyze_loop_form): Ditto.
58 (new_loop_vec_info): Init LOOP_VINFO_NITERS_ASSUMPTIONS.
59 (vect_estimate_min_profitable_iters): Use LOOP_REQUIRES_VERSIONING.
60 Support loop versioning for niters.
61 * tree-vectorizer.c (tree-ssa-loop-niter.h): Include header file.
62 (vect_free_loop_info_assumptions): New function.
63 (vectorize_loops): Free loop niter info for loops with flag
64 LOOP_F_ASSUMPTIONS set if vectorization failed.
65 * tree-vectorizer.h (struct _loop_vec_info): New field
66 num_iters_assumptions.
67 (LOOP_VINFO_NITERS_ASSUMPTIONS): New macro.
68 (LOOP_REQUIRES_VERSIONING_FOR_NITERS): New macro.
69 (LOOP_REQUIRES_VERSIONING): New macro.
70 (vect_free_loop_info_assumptions): New decl.
72 2016-07-29 Bin Cheng <bin.cheng@arm.com>
74 * cfgloop.h (struct loop): New field constraints.
75 (LOOP_C_INFINITE, LOOP_C_FINITE): New macros.
76 (loop_constraint_set, loop_constraint_clr, loop_constraint_set_p): New
78 * cfgloop.c (alloc_loop): Initialize new field.
79 * cfgloopmanip.c (copy_loop_info): Copy constraints.
80 * tree-ssa-loop-niter.c (number_of_iterations_exit_assumptions):
81 Adjust niter analysis wrto loop constraints.
82 * doc/loop.texi (@node Number of iterations): Add description for loop
85 2016-07-29 Marek Polacek <polacek@redhat.com>
88 * config/i386/i386.c (ix86_expand_args_builtin): Add break.
89 (ix86_expand_round_builtin): Likewise.
91 2016-07-29 Segher Boessenkool <segher@kernel.crashing.org>
92 Georg-Johann Lay <avr@gjlay.de>
94 PR rtl-optimization/71976
95 * combine.c (get_last_value): Return 0 if the argument for which
96 the function is called has a wider mode than the recorded value.
98 2016-07-29 Marek Polacek <polacek@redhat.com>
101 * config/rs6000/rs6000.c (altivec_expand_ld_builtin): Add break.
102 (altivec_expand_st_builtin): Likewise.
104 2016-07-29 Georg-Johann Lay <avr@gjlay.de>
106 * config/avr/avr.md (addqi3) [cc]: Revert glitch in insn attribute
107 introduced in r238381.
109 2016-07-29 Kugan Vivekanandarajah <kuganv@linaro.org>
112 * tree-vrp.c (extract_range_from_binary_expr_1): In case of signed
113 & sign-bit-CST, generate [-INF, 0] instead of [-INF, INF].
115 2016-07-28 Michael Meissner <meissner@linux.vnet.ibm.com>
117 * config/rs6000/rs6000-protos.h (rs6000_split_vec_extract_var):
119 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
120 Add support for vec_extract of vector double or vector long having
121 a variable element number on 64-bit ISA 2.07 systems or newer.
122 * config/rs6000/rs6000.c (rs6000_expand_vector_extract):
124 (rs6000_split_vec_extract_var): New function to split a
125 vec_extract built-in function with variable element number.
126 (rtx_is_swappable_p): Variable vec_extracts and shifts are not
128 * config/rs6000/vsx.md (UNSPEC_VSX_VSLO): New unspec.
129 (UNSPEC_VSX_EXTRACT): Likewise.
130 (vsx_extract_<mode>, VSX_D iterator): Fix constraints to allow
131 direct move instructions to be generated on 64-bit ISA 2.07
132 systems and newer, and to take advantage of the ISA 3.0 MFVSRLD
134 (vsx_vslo_<mode>): New insn to do VSLO on V2DFmode and V2DImode
135 arguments for vec_extract variable element.
136 (vsx_extract_<mode>_var, VSX_D iterator): New insn to support
137 vec_extract with variable element on V2DFmode and V2DImode
139 * config/rs6000/rs6000.h (TARGET_VEXTRACTUB): Remove
140 -mupper-regs-df requirement, since it isn't needed.
141 (TARGET_DIRECT_MOVE_64BIT): New macro to say whether we can
142 do direct moves on 64-bit systems, which allows optimization of
143 vec_extract on 64-bit ISA 2.07 systems and newer.
145 2016-07-28 Kristina Martsenko <kristina.martsenko@arm.com>
146 2016-07-28 Wilco Dijkstra <wdijkstr@arm.com>
148 * config/aarch64/aarch64.md
149 (zero_extend<SHORT:mode><GPI:mode>2_aarch64): Change output
151 (<optab>qihi2_aarch64): Likewise, and split into two.
152 (extendqihi2_aarch64): New.
153 (zero_extendqihi2_aarch64): New.
154 * config/aarch64/iterators.md (ldrxt): Remove.
155 * config/aarch64/aarch64.c (aarch64_rtx_costs): Change cost of
158 2016-07-28 Kristina Martsenko <kristina.martsenko@arm.com>
160 * config/aarch64/aarch64.c (aarch64_rtx_costs): Fix cost of zero extend.
162 2016-07-28 Wilco Dijkstra <wdijkstr@arm.com>
164 * config/aarch64/aarch64.c (aarch64_pushwb_pair_reg): Rename.
165 (aarch64_push_reg): New function to push 1 or 2 registers.
166 (aarch64_pop_reg): New function to pop 1 or 2 registers.
167 (aarch64_expand_prologue): Use aarch64_push_regs.
168 (aarch64_expand_epilogue): Use aarch64_pop_regs.
170 2016-07-28 Yuri Rumyantsev <ysrumyan@gmail.com>
172 PR tree-optimization/71734
173 * tree-ssa-loop-im.c (ref_indep_loop_p_1): Pass value of safelen
174 attribute instead of REF_LOOP and use it.
175 (ref_indep_loop_p_2): Use SAFELEN argument instead of REF_LOOP and
176 set it for Loops having non-zero safelen attribute.
177 (ref_indep_loop_p): Pass zero as initial value for safelen.
179 2016-07-28 Ilya Enkovich <ilya.enkovich@intel.com>
183 * tree-chkp.c (chkp_retbnd_call_by_val): Check for instrumentation
184 call using chkp_gimple_call_builtin_p.
185 (chkp_copy_bounds_for_assign): Likewise.
187 2016-07-28 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
189 * config/alpha/alpha.c (alpha_adjust_cost): Adjust.
190 * config/arm/arm-protos.h (struct tune_params): Likewise.
191 * config/arm/arm.c (xscale_sched_adjust_cost): Likewise.
192 (cortex_a9_sched_adjust_cost): Likewise.
193 (fa726te_sched_adjust_cost): Likewise.
194 (arm_adjust_cost): Likewise.
195 * config/bfin/bfin.c (bfin_adjust_cost): Likewise.
196 * config/c6x/c6x.c (c6x_adjust_cost): Likewise.
197 * config/epiphany/epiphany.c (epiphany_adjust_cost): Likewise.
198 * config/i386/i386.c (ix86_adjust_cost): Likewise.
199 * config/ia64/ia64.c: Likewise.
200 * config/m68k/m68k.c: Likewise.
201 * config/mep/mep.c (mep_adjust_cost): Likewise.
202 * config/microblaze/microblaze.c (microblaze_adjust_cost):
204 * config/mips/mips.c (mips_adjust_cost): Likewise.
205 * config/mn10300/mn10300.c (mn10300_adjust_sched_cost):
207 * config/pa/pa.c (pa_adjust_cost): Likewise.
208 * config/rs6000/rs6000.c (rs6000_adjust_cost): Likewise.
209 (rs6000_debug_adjust_cost): Likewise.
210 * config/sh/sh.c (sh_adjust_cost): Likewise.
211 * config/sparc/sparc.c (supersparc_adjust_cost): Likewise.
212 (hypersparc_adjust_cost): Likewise.
213 (sparc_adjust_cost): Likewise.
214 * config/spu/spu.c (spu_sched_adjust_cost): Likewise.
215 * config/tilegx/tilegx.c (tilegx_sched_adjust_cost): Likewise.
216 * config/tilepro/tilepro.c (tilepro_sched_adjust_cost):
218 * config/visium/visium.c (visium_adjust_cost): Likewise.
219 * doc/tm.texi: Regenerate.
220 * haifa-sched.c (dep_cost_1): Adjust.
221 * target.def: Merge adjust_cost and adjust_cost_2.
223 2016-07-28 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
225 * haifa-sched.c (add_to_speculative_block): Make twins a vector.
227 2016-07-28 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
229 * store-motion.c (struct st_expr): Make pattern_regs a vector.
230 (extract_mentioned_regs): Append to a vector instead of
231 returning a rtx_expr_list.
232 (st_expr_entry): Adjust.
233 (free_st_expr_entry): Likewise.
234 (store_ops_ok): Likewise.
235 (store_killed_in_insn): Likewise.
236 (find_moveable_store): Likewise.
238 2016-07-28 Martin Liska <mliska@suse.cz>
240 PR gcov-profile/68025
241 * tree-profile.c (tree_profiling): Respect
242 no_profile_instrument_function attribute.
243 * doc/extend.texi: Document no_profile_instrument_function
246 2016-07-28 Martin Liska <mliska@suse.cz>
248 PR rtl-optimization/70944
249 * combine.c (make_compound_operation):
250 Do not allow make_compound_operation for vector mode
252 2016-07-28 Kugan Vivekanandarajah <kuganv@linaro.org>
255 * tree-ssa-reassoc.c (maybe_optimize_range_tests): Check tcc_comparison
256 before calling get_ops.
258 2016-07-27 Bernd Edlinger <bernd.edlinger@hotmail.de>
260 * defaults.h (LOG2_BITS_PER_UNIT): Move from here...
261 * tree.h (LOG2_BITS_PER_UNIT): ...to here.
262 (BITS_PER_UNIT_LOG): Remove.
263 (int_bit_position): Use LOG2_BITS_PER_UNIT instead of BITS_PER_UNIT_LOG.
264 * expr.c (expand_assignment): Likewise.
265 * stor-layout.c (initialize_sizetypes): Likewise.
267 2016-07-27 Michael Meissner <meissner@linux.vnet.ibm.com>
269 * config/rs6000/vector.md (vec_extract<mode>): Change the calling
270 signature of rs6000_expand_vector_extract so that the element
271 number is a RTX instead of a constant integer.
272 * config/rs6000/rs6000-protos.h (rs6000_expand_vector_extract):
274 * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Likewise.
275 (altivec_expand_vec_ext_builtin): Likewise.
276 * config/rs6000/altivec.md (reduc_plus_scal_<mode>): Likewise.
277 * config/rs6000/vsx.md (vsx_extract_<mode>): Fix spelling of the
280 2016-07-27 David Malcolm <dmalcolm@redhat.com>
282 * input.c (get_pure_location): Move here from tree.c.
283 (make_location): Likewise. Add header comment.
284 (selftest::test_accessing_ordinary_linemaps): Verify
285 pure_location_p, make_location, get_location_from_adhoc_loc and
287 * input.h (get_pure_location): Move declaration here from tree.h.
288 (get_finish): Likewise for inline function.
289 (make_location): Likewise for declaration.
290 * tree.c (get_pure_location): Move to input.c.
291 (make_location): Likewise.
292 * tree.h (get_pure_location): Move declaration to tree.h.
293 (get_finish): Likewise for inline function.
294 (make_location): Likewise for declaration.
296 2016-07-27 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
299 * match.pd (x / abs(x) -> copysign(1.0, x)): New pattern.
301 2016-07-27 David Malcolm <dmalcolm@redhat.com>
303 * system.h (STATIC_ASSERT): Use static_assert if building
306 2016-07-27 Richard Biener <rguenther@suse.de>
308 PR tree-optimization/72517
309 * tree-vect-data-refs.c (vect_analyze_data_ref_dependences):
310 Revert change to not compute read-read dependences.
312 2016-07-27 Richard Biener <rguenther@suse.de>
314 * predict.c (set_even_probabilities): Make nedges unsigned.
316 2016-07-27 Martin Liska <mliska@suse.cz>
318 * predict.c (set_even_probabilities): Handle unlikely edges.
319 (combine_predictions_for_bb): Likewise.
321 2016-07-26 Michael Meissner <meissner@linux.vnet.ibm.com>
324 * config/rs6000/rs6000.c (rs6000_generate_compare): Rework
325 __float128 support when we don't have hardware support, so that
326 the IEEE built-in functions like isgreater, first call __unordkf3
327 to make sure neither operand is a NaN, and if both operands are
328 ordered, do the normal comparison.
330 2016-07-26 Patrick Palka <ppalka@gcc.gnu.org>
332 * tree-vrp.c (dump_asserts_for): Print loc->expr instead of
334 (extract_code_and_val_from_cond_with_ops): Verify that name is
335 either cond_op0 or cond_op1.
337 2016-07-26 Patrick Palka <ppalka@gcc.gnu.org>
339 PR tree-optimization/18046
340 * genmodes.c (emit_mode_size_inline): Emit an assert that
341 verifies that mode is a valid array index.
342 (emit_mode_nuinits_inline): Likewise.
343 (emit_mode_inner_inline): Likewise.
344 (emit_mode_unit_size_inline): Likewise.
345 (emit_mode_unit_precision_inline): Likewise.
346 * tree-vrp.c: Include params.h.
347 (find_switch_asserts): Register edge assertions for the default
348 label which correspond to the anti-ranges of each case label.
349 * params.def (PARAM_MAX_VRP_SWITCH_ASSERTIONS): New.
350 * doc/invoke.texi: Document it.
352 2016-07-26 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
354 * gimple-ssa-strength-reduction.c (slsr_process_phi): Remove dead
355 and unnecessary call to gimple_bb.
357 2016-07-26 Richard Biener <rguenther@suse.de>
359 PR rtl-optimization/71984
360 * simplify-rtx.c (simplify_subreg): Use GET_MODE_SIZE and prepare
363 2016-07-26 Richard Biener <rguenther@suse.de>
366 * expmed.c (extract_bit_field_1): Constrain the vector mode
367 with element size matching the extraction mode size when
368 choosing a better vector mode to do the extraction from.
370 2016-07-26 Richard Biener <rguenther@suse.de>
371 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
374 * match.pd ((intptr)x eq/ne CST to x eq/ne (typeof x) CST): New
377 2016-07-26 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
379 * tree-ssa-structalias.c (struct scc_info): Change types of
380 members to auto_sbitmap and auto_vec.
381 (scc_info::scc_info): New constructor.
382 (scc_info::~scc_info): New destructor.
383 (init_scc_info): Remove.
384 (free_scc_info): Remove.
385 (find_indirect_cycles): Adjust.
386 (perform_var_substitution): Likewise.
387 (free_var_substitution_info): Likewise.
389 2016-07-26 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
391 * tree-outof-ssa.c (struct elim_graph): Change type of members
392 to auto_vec and auto_sbitmap.
393 (elim_graph::elim_graph): New constructor.
394 (delete_elim_graph): Remove.
395 (expand_phi_nodes): Adjust.
397 2016-07-26 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
399 * tree-outof-ssa.c (struct elim_graph): Remove typedef.
400 (new_elim_graph): Adjust.
401 (clear_elim_graph): Likewise.
402 (delete_elim_graph): Likewise.
403 (elim_graph_size): Likewise.
404 (elim_graph_add_node): Likewise.
405 (elim_graph_add_edge): Likewise.
406 (elim_graph_remove_succ_edge): Likewise.
407 (eliminate_name): Likewise.
408 (eliminate_build): Likewise.
409 (elim_forward): Likewise.
410 (elim_unvisited_predecessor): Likewise.
411 (elim_backward): Likewise.
412 (elim_create): Likewise.
413 (eliminate_phi): Likewise.
414 (expand_phi_nodes): Likewise.
416 2016-07-26 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
418 * bt-load.c (compute_out): Use auto_sbitmap class.
419 (link_btr_uses): Likewise.
420 * cfganal.c (mark_dfs_back_edges): Likewise.
421 (post_order_compute): Likewise.
422 (inverted_post_order_compute): Likewise.
423 (pre_and_rev_post_order_compute_fn): Likewise.
424 (single_pred_before_succ_order): Likewise.
425 * cfgexpand.c (pass_expand::execute): Likewise.
426 * cfgloop.c (verify_loop_structure): Likewise.
427 * cfgloopmanip.c (fix_bb_placements): Likewise.
428 (remove_path): Likewise.
429 (update_dominators_in_loop): Likewise.
430 * cfgrtl.c (break_superblocks): Likewise.
431 * ddg.c (check_sccs): Likewise.
432 (create_ddg_all_sccs): Likewise.
433 * df-core.c (df_worklist_dataflow): Likewise.
434 * dse.c (dse_step3): Likewise.
435 * except.c (eh_region_outermost): Likewise.
436 * function.c (thread_prologue_and_epilogue_insns): Likewise.
437 * gcse.c (prune_expressions): Likewise.
438 (prune_insertions_deletions): Likewise.
439 * gimple-ssa-backprop.c (backprop::~backprop): Likewise.
440 * graph.c (draw_cfg_nodes_no_loops): Likewise.
441 * ira-lives.c (remove_some_program_points_and_update_live_ranges): Likewise.
442 * lcm.c (compute_earliest): Likewise.
443 (compute_farthest): Likewise.
444 * loop-unroll.c (unroll_loop_constant_iterations): Likewise.
445 (unroll_loop_runtime_iterations): Likewise.
446 (unroll_loop_stupid): Likewise.
447 * lower-subreg.c (decompose_multiword_subregs): Likewise.
448 * lra-lives.c: Likewise.
449 * lra.c (lra): Likewise.
450 * modulo-sched.c (schedule_reg_moves): Likewise.
451 (optimize_sc): Likewise.
452 (get_sched_window): Likewise.
453 (sms_schedule_by_order): Likewise.
454 (check_nodes_order): Likewise.
455 (order_nodes_of_sccs): Likewise.
456 (order_nodes_in_scc): Likewise.
457 * recog.c (split_all_insns): Likewise.
458 * regcprop.c (pass_cprop_hardreg::execute): Likewise.
459 * reload1.c (reload): Likewise.
460 * sched-rgn.c (haifa_find_rgns): Likewise.
461 (split_edges): Likewise.
462 (compute_trg_info): Likewise.
463 * sel-sched.c (init_seqno): Likewise.
464 * store-motion.c (remove_reachable_equiv_notes): Likewise.
465 * tree-into-ssa.c (update_ssa): Likewise.
466 * tree-ssa-live.c (live_worklist): Likewise.
467 * tree-ssa-loop-im.c (fill_always_executed_in): Likewise.
468 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
470 (try_peel_loop): Likewise.
471 * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop):
473 * tree-ssa-pre.c (compute_antic): Likewise.
474 * tree-ssa-reassoc.c (undistribute_ops_list): Likewise.
475 * tree-stdarg.c (reachable_at_most_once): Likewise.
476 * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Likewise.
477 * var-tracking.c (vt_find_locations): Likewise.
479 2016-07-26 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
481 * sbitmap.h (auto_sbitmap): New class.
483 2016-07-26 Alan Modra <amodra@gmail.com>
486 * config/rs6000/rs6000.c (rs6000_secondary_reload): Initialize
489 2016-07-25 David Malcolm <dmalcolm@redhat.com>
491 * input.c (selftest::temp_source_file::temp_source_file): Fix
492 missing "%s" in fprintf.
494 2016-07-25 John David Anglin <danglin@gcc.gnu.org>
497 * cselib.c (cselib_process_insn): Invalidate argument slots for
500 2016-07-25 Jiong Wang <jiong.wang@arm.com>
502 * config/aarch64/arm_neon.h (vfmah_lane_f16, vfmah_laneq_f16,
503 vfmsh_lane_f16, vfmsh_laneq_f16, vmulh_lane_f16, vmulh_laneq_f16,
504 vmulxh_lane_f16, vmulxh_laneq_f16): New.
506 2016-07-25 Jiong Wang <jiong.wang@arm.com>
508 * config/aarch64/aarch64-simd-builtins.def: Register new builtins.
509 * config/aarch64/aarch64.md (fma, fnma): Support HF.
510 * config/aarch64/arm_fp16.h (vfmah_f16, vfmsh_f16): New.
512 2016-07-25 Jiong Wang <jiong.wang@arm.com>
514 * config/aarch64/aarch64-simd-builtins.def: Register new builtins.
515 * config/aarch64/aarch64.md (<FCVT_F2FIXED:fcvt_fixed_insn>hf<mode>3):
517 (<FCVT_FIXED2F:fcvt_fixed_insn><mode>hf3): Likewise.
518 (add<mode>3): Likewise.
519 (sub<mode>3): Likewise.
520 (mul<mode>3): Likewise.
521 (div<mode>3): Likewise.
522 (*div<mode>3): Likewise.
523 (<fmaxmin><mode>3): Extend to HF.
524 * config/aarch64/aarch64-simd.md (aarch64_rsqrts<mode>): Likewise.
525 (fabd<mode>3): Likewise.
526 (<FCVT_F2FIXED:fcvt_fixed_insn><VHSDF_HSDF:mode>3): Likewise.
527 (<FCVT_FIXED2F:fcvt_fixed_insn><VHSDI_HSDI:mode>3): Likewise.
528 (aarch64_fmulx<mode>): Likewise.
529 (aarch64_fac<optab><mode>): Likewise.
530 (aarch64_frecps<mode>): Likewise.
531 (<FCVT_F2FIXED:fcvt_fixed_insn>hfhi3): New.
532 (<FCVT_FIXED2F:fcvt_fixed_insn>hihf3): Likewise.
533 * config/aarch64/iterators.md (VHSDF_SDF): Delete.
534 (VSDQ_HSDI): Support HI.
535 (fcvt_target, FCVT_TARGET): Likewise.
536 * config/aarch64/arm_fp16.h (vaddh_f16, vsubh_f16, vabdh_f16,
537 vcageh_f16, vcagth_f16, vcaleh_f16, vcalth_f16, vceqh_f16, vcgeh_f16,
538 vcgth_f16, vcleh_f16, vclth_f16, vcvth_n_f16_s16, vcvth_n_f16_s32,
539 vcvth_n_f16_s64, vcvth_n_f16_u16, vcvth_n_f16_u32, vcvth_n_f16_u64,
540 vcvth_n_s16_f16, vcvth_n_s32_f16, vcvth_n_s64_f16, vcvth_n_u16_f16,
541 vcvth_n_u32_f16, vcvth_n_u64_f16, vdivh_f16, vmaxh_f16, vmaxnmh_f16,
542 vminh_f16, vminnmh_f16, vmulh_f16, vmulxh_f16, vrecpsh_f16,
545 2016-07-25 Jiong Wang <jiong.wang@arm.com>
547 * config.gcc (aarch64*-*-*): Install arm_fp16.h.
548 * config/aarch64/aarch64-builtins.c (hi_UP): New.
549 * config/aarch64/aarch64-simd-builtins.def: Register new builtins.
550 * config/aarch64/aarch64-simd.md (aarch64_frsqrte<mode>): Extend to HF
552 (aarch64_frecp<FRECP:frecp_suffix><mode>): Likewise.
553 (aarch64_cm<optab><mode>): Likewise.
554 * config/aarch64/aarch64.md (<frint_pattern><mode>2): Likewise.
555 (l<fcvt_pattern><su_optab><GPF:mode><GPI:mode>2): Likewise.
556 (fix_trunc<GPF:mode><GPI:mode>2): Likewise.
557 (sqrt<mode>2): Likewise.
558 (*sqrt<mode>2): Likewise.
559 (abs<mode>2): Likewise.
560 (<optab><mode>hf2): New pattern for HF mode.
561 (<optab>hihf2): Likewise.
562 * config/aarch64/arm_neon.h: Include arm_fp16.h.
563 * config/aarch64/iterators.md (GPF_F16, GPI_F16, VHSDF_HSDF): New.
564 (w1, w2, v, s, q, Vmtype, V_cmp_result, fcvt_iesize, FCVT_IESIZE):
566 * config/aarch64/arm_fp16.h: New file.
567 (vabsh_f16, vceqzh_f16, vcgezh_f16, vcgtzh_f16, vclezh_f16, vcltzh_f16,
568 vcvth_f16_s16, vcvth_f16_s32, vcvth_f16_s64, vcvth_f16_u16,
569 vcvth_f16_u32, vcvth_f16_u64, vcvth_s16_f16, vcvth_s32_f16,
570 vcvth_s64_f16, vcvth_u16_f16, vcvth_u32_f16, vcvth_u64_f16,
571 vcvtah_s16_f16, vcvtah_s32_f16, vcvtah_s64_f16, vcvtah_u16_f16,
572 vcvtah_u32_f16, vcvtah_u64_f16, vcvtmh_s16_f16, vcvtmh_s32_f16,
573 vcvtmh_s64_f16, vcvtmh_u16_f16, vcvtmh_u32_f16, vcvtmh_u64_f16,
574 vcvtnh_s16_f16, vcvtnh_s32_f16, vcvtnh_s64_f16, vcvtnh_u16_f16,
575 vcvtnh_u32_f16, vcvtnh_u64_f16, vcvtph_s16_f16, vcvtph_s32_f16,
576 vcvtph_s64_f16, vcvtph_u16_f16, vcvtph_u32_f16, vcvtph_u64_f16,
577 vnegh_f16, vrecpeh_f16, vrecpxh_f16, vrndh_f16, vrndah_f16, vrndih_f16,
578 vrndmh_f16, vrndnh_f16, vrndph_f16, vrndxh_f16, vrsqrteh_f16,
581 2016-07-25 Jiong Wang <jiong.wang@arm.com>
583 * config/aarch64/aarch64-simd-builtins.def (reduc_smax_scal_,
584 reduc_smin_scal_): Use VDQIF_F16.
585 (reduc_smax_nan_scal_, reduc_smin_nan_scal_): Use VHSDF.
586 * config/aarch64/aarch64-simd.md (reduc_<maxmin_uns>_scal_<mode>):
588 (aarch64_reduc_<maxmin_uns>_internal<mode>): Likewise.
589 * config/aarch64/iterators.md (VDQIF_F16): New.
590 (vp): Support HF modes.
591 * config/aarch64/arm_neon.h (vmaxv_f16, vmaxvq_f16, vminv_f16,
592 vminvq_f16, vmaxnmv_f16, vmaxnmvq_f16, vminnmv_f16, vminnmvq_f16): New.
594 2016-07-25 Jiong Wang <jiong.wang@arm.com>
596 * config/aarch64/aarch64-simd.md (*aarch64_mulx_elt_to_64v2df): Rename to
597 "*aarch64_mulx_elt_from_dup<mode>".
598 (*aarch64_mul3_elt<mode>): Update schedule type.
599 (*aarch64_mul3_elt_from_dup<mode>): Likewise.
600 (*aarch64_fma4_elt_from_dup<mode>): Likewise.
601 (*aarch64_fnma4_elt_from_dup<mode>): Likewise.
602 * config/aarch64/iterators.md (VMUL): Supprt half precision float modes.
603 (f, fp): Support HF modes.
604 * config/aarch64/arm_neon.h (vfma_lane_f16, vfmaq_lane_f16,
605 vfma_laneq_f16, vfmaq_laneq_f16, vfma_n_f16, vfmaq_n_f16, vfms_lane_f16,
606 vfmsq_lane_f16, vfms_laneq_f16, vfmsq_laneq_f16, vfms_n_f16,
607 vfmsq_n_f16, vmul_lane_f16, vmulq_lane_f16, vmul_laneq_f16,
608 vmulq_laneq_f16, vmul_n_f16, vmulq_n_f16, vmulx_lane_f16,
609 vmulxq_lane_f16, vmulx_laneq_f16, vmulxq_laneq_f16): New.
611 2016-07-25 Jiong Wang <jiong.wang@arm.com>
613 * config/aarch64/aarch64-simd-builtins.def: Register new builtins.
614 * config/aarch64/aarch64-simd.md (fma<mode>4, fnma<mode>4): Extend to HF
616 * config/aarch64/arm_neon.h (vfma_f16, vfmaq_f16, vfms_f16,
619 2016-07-25 Jiong Wang <jiong.wang@arm.com>
621 * config/aarch64/aarch64-simd-builtins.def: Register new builtins.
622 * config/aarch64/aarch64-simd.md
623 (aarch64_rsqrts<mode>): Extend to HF modes.
624 (fabd<mode>3): Likewise.
625 (<FCVT_F2FIXED:fcvt_fixed_insn><VHSDF_SDF:mode>3): Likewise.
626 (<FCVT_FIXED2F:fcvt_fixed_insn><VHSDI_SDI:mode>3): Likewise.
627 (aarch64_<maxmin_uns>p<mode>): Likewise.
628 (<su><maxmin><mode>3): Likewise.
629 (<maxmin_uns><mode>3): Likewise.
630 (<fmaxmin><mode>3): Likewise.
631 (aarch64_faddp<mode>): Likewise.
632 (aarch64_fmulx<mode>): Likewise.
633 (aarch64_frecps<mode>): Likewise.
634 (*aarch64_fac<optab><mode>): Rename to aarch64_fac<optab><mode>.
635 (add<mode>3): Extend to HF modes.
636 (sub<mode>3): Likewise.
637 (mul<mode>3): Likewise.
638 (div<mode>3): Likewise.
639 (*div<mode>3): Likewise.
640 * config/aarch64/aarch64.c (aarch64_emit_approx_div): Return false for
642 * config/aarch64/iterators.md (VDQ_HSDI, VSDQ_HSDI): New mode iterator.
643 * config/aarch64/arm_neon.h (vadd_f16, vaddq_f16, vabd_f16, vabdq_f16,
644 vcage_f16, vcageq_f16, vcagt_f16, vcagtq_f16, vcale_f16, vcaleq_f16,
645 vcalt_f16, vcaltq_f16, vceq_f16, vceqq_f16, vcge_f16, vcgeq_f16,
646 vcgt_f16, vcgtq_f16, vcle_f16, vcleq_f16, vclt_f16, vcltq_f16,
647 vcvt_n_f16_s16, vcvtq_n_f16_s16, vcvt_n_f16_u16, vcvtq_n_f16_u16,
648 vcvt_n_s16_f16, vcvtq_n_s16_f16, vcvt_n_u16_f16, vcvtq_n_u16_f16,
649 vdiv_f16, vdivq_f16, vdup_lane_f16, vdup_laneq_f16, vdupq_lane_f16,
650 vdupq_laneq_f16, vdups_lane_f16, vdups_laneq_f16, vmax_f16, vmaxq_f16,
651 vmaxnm_f16, vmaxnmq_f16, vmin_f16, vminq_f16, vminnm_f16, vminnmq_f16,
652 vmul_f16, vmulq_f16, vmulx_f16, vmulxq_f16, vpadd_f16, vpaddq_f16,
653 vpmax_f16, vpmaxq_f16, vpmaxnm_f16, vpmaxnmq_f16, vpmin_f16, vpminq_f16,
654 vpminnm_f16, vpminnmq_f16, vrecps_f16, vrecpsq_f16, vrsqrts_f16,
655 vrsqrtsq_f16, vsub_f16, vsubq_f16): New.
657 2016-07-25 Jiong Wang <jiong.wang@arm.com>
659 * config/aarch64/aarch64-builtins.c (TYPES_BINOP_USS): New.
660 * config/aarch64/aarch64-simd-builtins.def: Register new builtins.
661 * config/aarch64/aarch64-simd.md (aarch64_rsqrte<mode>): Extend to HF modes.
662 (neg<mode>2): Likewise.
663 (abs<mode>2): Likewise.
664 (<frint_pattern><mode>2): Likewise.
665 (l<fcvt_pattern><su_optab><VDQF:mode><fcvt_target>2): Likewise.
666 (<optab><VDQF:mode><fcvt_target>2): Likewise.
667 (<fix_trunc_optab><VDQF:mode><fcvt_target>2): Likewise.
668 (ftrunc<VDQF:mode>2): Likewise.
669 (<optab><fcvt_target><VDQF:mode>2): Likewise.
670 (sqrt<mode>2): Likewise.
671 (*sqrt<mode>2): Likewise.
672 (aarch64_frecpe<mode>): Likewise.
673 (aarch64_cm<optab><mode>): Likewise.
674 * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Return false for
676 * config/aarch64/iterators.md (VHSDF, VHSDF_DF, VHSDF_SDF): New.
677 (VDQF_COND, fcvt_target, FCVT_TARGET, hcon): Extend mode attribute to HF modes.
679 * config/aarch64/arm_neon.h (vdup_n_f16): New.
680 (vdupq_n_f16): Likewise.
681 (vld1_dup_f16): Use vdup_n_f16.
682 (vld1q_dup_f16): Use vdupq_n_f16.
683 (vabs_f16, vabsq_f16, vceqz_f16, vceqzq_f16, vcgez_f16, vcgezq_f16,
684 vcgtz_f16, vcgtzq_f16, vclez_f16, vclezq_f16, vcltz_f16, vcltzq_f16,
685 vcvt_f16_s16, vcvtq_f16_s16, vcvt_f16_u16, vcvtq_f16_u16, vcvt_s16_f16,
686 vcvtq_s16_f16, vcvt_u16_f16, vcvtq_u16_f16, vcvta_s16_f16,
687 vcvtaq_s16_f16, vcvta_u16_f16, vcvtaq_u16_f16, vcvtm_s16_f16,
688 vcvtmq_s16_f16, vcvtm_u16_f16, vcvtmq_u16_f16, vcvtn_s16_f16,
689 vcvtnq_s16_f16, vcvtn_u16_f16, vcvtnq_u16_f16, vcvtp_s16_f16,
690 vcvtpq_s16_f16, vcvtp_u16_f16, vcvtpq_u16_f16, vneg_f16, vnegq_f16,
691 vrecpe_f16, vrecpeq_f16, vrnd_f16, vrndq_f16, vrnda_f16, vrndaq_f16,
692 vrndi_f16, vrndiq_f16, vrndm_f16, vrndmq_f16, vrndn_f16, vrndnq_f16,
693 vrndp_f16, vrndpq_f16, vrndx_f16, vrndxq_f16, vrsqrte_f16, vrsqrteq_f16,
694 vsqrt_f16, vsqrtq_f16): New.
696 2016-07-25 Jiong Wang <jiong.wang@arm.com>
698 * config/aarch64/aarch64-simd.md
699 (aarch64_<PERMUTE:perm_insn><PERMUTE:perm_hilo><mode>): Use VALL_F16.
700 (aarch64_ext<mode>): Likewise.
701 (aarch64_rev<REVERSE:rev_op><mode>): Likewise.
702 * config/aarch64/aarch64.c (aarch64_evpc_trn, aarch64_evpc_uzp,
703 aarch64_evpc_zip, aarch64_evpc_ext, aarch64_evpc_rev): Support V4HFmode
705 * config/aarch64/arm_neon.h (__INTERLEAVE_LIST): Support float16x4_t,
707 (__aarch64_vdup_lane_f16, __aarch64_vdup_laneq_f16,
708 __aarch64_vdupq_lane_f16, __aarch64_vdupq_laneq_f16, vbsl_f16,
709 vbslq_f16, vdup_n_f16, vdupq_n_f16, vdup_lane_f16, vdup_laneq_f16,
710 vdupq_lane_f16, vdupq_laneq_f16, vduph_lane_f16, vduph_laneq_f16,
711 vext_f16, vextq_f16, vmov_n_f16, vmovq_n_f16, vrev64_f16, vrev64q_f16,
712 vtrn1_f16, vtrn1q_f16, vtrn2_f16, vtrn2q_f16, vtrn_f16, vtrnq_f16,
713 vuzp1_f16, vuzp1q_f16, vuzp2_f16, vuzp2q_f16, vzip1_f16, vzip2q_f16):
715 (vmov_n_f16): Reimplement using vdup_n_f16.
716 (vmovq_n_f16): Reimplement using vdupq_n_f16..
718 2016-07-25 Jiong Wang <jiong.wang@arm.com>
720 * config/aarch64/aarch64.c (aarch64_add_constant): New parameter
721 "frame_related_p". Generate CFA annotation when it's necessary.
722 (aarch64_expand_prologue): Use aarch64_add_constant.
723 (aarch64_expand_epilogue): Likewise.
724 (aarch64_output_mi_thunk): Pass "false" when calling
725 aarch64_add_constant.
727 2016-07-25 Jiong Wang <jiong.wang@arm.com>
729 * config/aarch64/aarch64.c (aarch64_add_constant): Optimize instruction
732 2016-07-25 Jiong Wang <jiong.wang@arm.com>
734 * config/aarch64/aarch64.c (aarch64_add_constant): New parameter "mode".
735 Use aarch64_internal_mov_immediate instead of aarch64_build_constant.
736 (aarch64_output_mi_thunk): Pass Pmode when calling aarch64_add_constant.
737 (aarch64_build_constant): Delete.
739 2016-07-25 Alexander Monakov <amonakov@ispras.ru>
742 2016-07-20 Alexander Monakov <amonakov@ispras.ru>
744 * config/nvptx/nvptx.c (nvptx_option_override): Do not set
745 flag_toplevel_reorder.
747 2016-07-25 Richard Biener <rguenther@suse.de>
749 * cgraph.c (cgraph_node::verify_node): Compare against builtin
750 by using DECL_BUILT_IN_CLASS and DECL_FUNCTION_CODE.
751 * tree-chkp.c (chkp_gimple_call_builtin_p): Likewise.
752 * tree-streamer.h (streamer_handle_as_builtin_p): Remove.
753 (streamer_get_builtin_tree): Likewise.
754 (streamer_write_builtin): Likewise.
755 * lto-streamer.h (LTO_builtin_decl): Remove.
756 * lto-streamer-in.c (lto_read_tree_1): Remove assert.
757 (lto_input_scc): Remove LTO_builtin_decl handling.
758 (lto_input_tree_1): Liekwise.
759 * lto-streamer-out.c (lto_output_tree_1): Remove special
760 handling of builtins.
761 (DFS::DFS): Likewise.
762 * tree-streamer-in.c (streamer_get_builtin_tree): Remove.
763 * tree-streamer-out.c (pack_ts_function_decl_value_fields): Remove
765 (streamer_write_builtin): Remove.
767 2016-07-25 Martin Liska <mliska@suse.cz>
769 * lto-cgraph.c (input_symtab): Don't call get_working_sets
770 if flag_auto_profile is set to true.
772 2016-07-25 Martin Liska <mliska@suse.cz>
774 PR gcov-profile/71868
775 * cfgloopanal.c (expected_loop_iterations_unbounded): When we
776 have a function with multiple latches, count them all.
778 2016-07-25 Martin Liska <mliska@suse.cz>
780 * tree-ssa-loop-niter.c (loop_only_exit_p): Release body array.
782 2016-07-25 Martin Liska <mliska@suse.cz>
784 PR tree-optimization/71987
785 * tree-ssa-reassoc.c (maybe_optimize_range_tests): Call get_ops
786 just for SSA_NAMEs. Fix GNU coding style.
788 2016-07-25 Martin Liska <mliska@suse.cz>
790 PR gcov-profile/64874
791 * gcov-io.h: Update command about file format.
792 * gcov-iov.c (main): Adapt the numbering scheme.
794 2016-07-24 Kugan Vivekanandarajah <kuganv@linaro.org>
797 * tree-ssa-reassoc.c (optimize_vec_cond_expr): Handle tcc_compare stmt
798 whose result is used in PHI.
799 (final_range_test_p): Likewise.
800 (maybe_optimize_range_tests): Likewise.
802 2016-07-22 Michael Meissner <meissner@linux.vnet.ibm.com>
804 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
805 Reformat two multi-line strings.
807 2016-07-22 Martin Sebor <msebor@redhat.com>
809 * doc/extend.texi (Compound Literals): Add '@' missed in last commit.
811 2016-07-22 Martin Sebor <msebor@redhat.com>
814 * doc/extend.texi (Compound Literals): Correct and clarify.
815 (Cast to Union): Same.
817 2016-07-22 Kelvin Nilsen <kelvin@gcc.gnu.org>
819 * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
820 comments to explain why certain error messages make mention of
821 undocumented options.
822 (rs6000_invalid_builtin): Change error messages to replace mention
823 of undocumented options with mention of the -mcpu=power9 option
824 that enables those undocumented options.
825 * config/rs6000/rs6000.h (MASK_FLOAT128): New macro.
826 (RS6000_BTM_FLOAT128): Use the new MASK_FLOAT128 macro in the
827 definition of this macro to correct an existing error.
828 * config/rs6000/rs6000.opt: Add the Undocumented qualifier to the
829 mpower9-fusion, mpower9-vector, mpower9-dform, and mmodulo entries.
830 * doc/extend.texi (PowerPC AltiVec Built-in Functions): Modify
831 descriptions of built-in functions so that they depend on
832 -mcpu=power9 instead of on the corresponding undocumented flags.
833 * doc/invoke.texi (Option Summary): Remove all mention of newly
835 (IBM RS/6000 and PowerPC Options): Likewise.
836 * doc/md.texi (Constraints for Particuliar Machines): Remove all
837 mention of newly undocumented flags.
839 2016-07-22 Evgeny Stupachenko <evstupac@gmail.com>
841 * ipa-cp.c (determine_versionability): Do not create constprop clones,
842 when target_clones attribute is set.
844 2016-07-22 Bin Cheng <bin.cheng@arm.com>
846 * common.opt (funsafe-loop-optimizations): Mark ignore.
847 * doc/invoke.texi (funsafe-loop-optimizations): Remove.
848 * loop-iv.c (get_simple_loop_desc): Remove unsafe-loop-optimizations
850 * tree-ssa-loop-niter.c (finite_loop_p): Ditto.
851 * config/bfin/bfin.c (bfin_can_use_doloop_p): Ditto.
853 2016-07-22 Bin Cheng <bin.cheng@arm.com>
855 * tree-ssa-loop-niter.h (number_of_iterations_exit_assumptions): New
857 * tree-ssa-loop-niter.c (number_of_iterations_exit_assumptions): New
859 (number_of_iterations_exit): Warn missed loop optimization for
860 possible infinite loops.
862 2016-07-22 Segher Boessenkool <segher@kernel.crashing.org>
865 * config/rs6000/rs6000.c (rs6000_file_start): Fix condition for
866 when to emit a ".machine" pseudo-op.
868 2016-07-22 Martin Liska <mliska@suse.cz>
870 PR gcov-profile/69028
871 PR gcov-profile/62047
872 * coverage.c (coverage_compute_lineno_checksum): Do not
873 calculate checksum for fns w/o xloc.file.
874 (coverage_compute_profile_id): Likewise.
876 2016-07-22 Georg-Johann Lay <avr@gjlay.de>
878 * config/avr/avr.c (TARGET_SECONDARY_RELOAD): Remove hook define...
879 (avr_secondary_reload): ...and implementation.
880 (avr_adjust_insn_length) [ADJUST_LEN_LPM]: Remove handling.
881 * config/avr/avr.md (reload_in<mode>): Remove insns.
882 (adjust_len) [lpm]: Remove insn attribute value.
883 * config/avr/predicates.md (flash_operand): Remove insn predicate.
885 2016-07-21 Bernd Edlinger <bernd.edlinger@hotmail.de>
888 * builtin-attrs.def (ATTR_RT_NOTHROW_LEAF_LIST): New return twice
890 * builtins.def (BUILT_IN_SETJMP): Use ATTR_RT_NOTHROW_LEAF_LIST here.
891 * calls.c (special_function_p): Remove the special handling of the
894 2016-07-21 Bernd Edlinger <bernd.edlinger@hotmail.de>
897 * calls.c (gimple_maybe_alloca_call_p): New function. Return true
898 if STMT may be an alloca call.
899 (gimple_alloca_call_p, alloca_call_p): Return only true for the
901 * calls.h (gimple_maybe_alloca_call_p): New function.
902 * tree-inline.c (inline_forbidden_p_stmt): Use
903 gimple_maybe_alloca_call_p here.
905 2016-07-21 David Malcolm <dmalcolm@redhat.com>
907 * spellcheck-tree.c (best_macro_match::best_macro_match):
908 Explictly specify the template arguments when invoking the base
909 class constructor, to help older C++ compilers.
911 2016-07-21 Jakub Jelinek <jakub@redhat.com>
914 * asan.c (asan_dynamic_init_call): Call asan_init_shadow_ptr_types
915 before builtin_decl_implicit.
917 2016-07-21 James Greenhalgh <james.greenhalgh@arm.com>
919 * optabs.c (emit_condiitonal_move): Short circuit for identical
922 2016-07-21 James Greenhalgh <james.greenhalgh@arm.com>
924 * ifcvt.c (noce_if_info): New fields: speed_p, original_cost,
925 max_seq_cost. Removed fields: then_cost, else_cost, branch_cost.
926 (noce_conversion_profitable_p): New.
927 (noce_try_store_flag_constants): Use it.
928 (noce_try_addcc): Likewise.
929 (noce_try_store_flag_mask): Likewise.
930 (noce_try_cmove): Likewise.
931 (noce_try_cmove_arith): Likewise.
932 (bb_valid_for_noce_process_p): Add to the cost parameter rather than
934 (noce_convert_multiple_sets): Move cost model to here, from...
935 (bb_ok_for_noce_convert_multiple_sets) ...here.
936 (noce_process_if_block): Update calls for above changes.
937 (noce_find_if_block): Record new noce_if_info parameters.
939 2016-07-21 James Greenhalgh <james.greenhalgh@arm.com>
941 * target.def (max_noce_ifcvt_seq_cost): New.
942 * doc/tm.texi.in (TARGET_MAX_NOCE_IFCVT_SEQ_COST): Document it.
943 * doc/tm.texi: Regenerate.
944 * targhooks.h (default_max_noce_ifcvt_seq_cost): New.
945 * targhooks.c (default_max_noce_ifcvt_seq_cost): New.
946 * params.def (PARAM_MAX_RTL_IF_CONVERSION_PREDICTABLE_COST): New.
947 (PARAM_MAX_RTL_IF_CONVERSION_UNPREDICTABLE_COST): Likewise.
948 * doc/invoke.texi: Document new params.
950 2016-07-21 Richard Biener <rguenther@suse.de>
952 PR tree-optimization/71947
953 * tree-vrp.c (extract_range_from_assert): Singleton symbolic
954 ranges have useful limit_vr information.
956 2016-07-21 Richard Biener <rguenther@suse.de>
958 * function-tests.c (build_trivial_generic_function): Set
959 BLOCK_SUPERCONTEXT of DECL_INITIAL.
960 * omp-low.c (create_omp_child_function): Likewise.
961 (grid_expand_target_grid_body): Likewise.
962 * cgraphunit.c (init_lowered_empty_function): Likewise.
963 (cgraph_node::expand_thunk): Likewise.
964 * tree-parloops.c (create_loop_fn): Likewise.
965 * ipa.c (cgraph_build_static_cdtor_1): Likewise.
967 2016-07-21 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
969 * tree-ssa-strlen.c (strlen_dom_walker::before_dom_children): Fix typo
972 2016-07-21 Georg-Johann Lay <avr@gjlay.de>
974 * config/avr/avr.md (any_extract, any_shiftrt): New code iterators.
975 (*insv.extract, *insv.shiftrt, *insv.not-bit.0, *insv.not-bit.7)
976 (*insv.xor-extract, *insv.xor1-bit.0): New insns.
977 (adjust_len) [insv_notbit, insv_notbit_0, insv_notbit_7]: New
978 values for insn attribute.
979 * config/avr/avr.c (avr_out_insert_notbit): New function.
980 (avr_adjust_insn_length): Handle ADJUST_LEN_INSV_NOTBIT,
981 ADJUST_LEN_INSV_NOTBIT_0/_7.
982 * config/avr/avr-protos.h (avr_out_insert_notbit): New proto.
984 2016-07-21 Bin Cheng <bin.cheng@arm.com>
986 * tree-chrec.c (convert_affine_scev): New parameter. Pass new arg.
987 (chrec_convert_1, chrec_convert): Ditto.
988 * tree-chrec.h (chrec_convert, convert_affine_scev): New parameter.
989 * tree-scalar-evolution.c (interpret_rhs_expr): Pass new arg.
990 * tree-vrp.c (adjust_range_with_scev): Ditto.
991 * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Ditto.
992 (scev_var_range_cant_overflow): New function.
993 (scev_probably_wraps_p): New parameter. Call above function.
994 * tree-ssa-loop-niter.h (scev_probably_wraps_p): New parameter.
996 2016-07-21 Bin Cheng <bin.cheng@arm.com>
998 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Clean up
999 by removing computation of may_be_zero.
1001 2016-07-21 Jakub Jelinek <jakub@redhat.com>
1003 * tree-object-size.c (unknown): Use HOST_WIDE_INT_M1U instead of -1.
1005 2016-07-21 Andrew Sutton <andrew.n.sutton@gmail.com>
1007 Improving concepts performance and diagnostics.
1008 * timevar.def (TV_CONSTRAINT_SAT, TV_CONSTRAINT_SUB): New time vars
1009 for constraint satisfaction and subsumption.
1010 * timevar.h (auto_timevar): New constructor that matches the push/pop
1011 pattern of usage in pt.c.
1013 2016-07-20 Uros Bizjak <ubizjak@gmail.com>
1015 * hwint.h (HOST_WIDE_INT_0): New define.
1016 (HOST_WIDE_INT_0U): Ditto.
1017 * double-int.c: Use HOST_WIDE_INT_0 instead of (HOST_WIDE_INT) 0.
1018 * dse.c: Use HOST_WIDE_INT_0U instead of (unsigned HOST_WIDE_INT) 0.
1019 * simplify-rtx.c: Ditto.
1020 * tree-object-size.c: Ditto.
1022 2016-07-20 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1024 * config/s390/s390.c (s390_encode_section_info): Remove mode size
1027 2016-07-20 Uros Bizjak <ubizjak@gmail.com>
1029 * cse.c: Use HOST_WIDE_INT_M1 instead of ~(HOST_WIDE_INT) 0.
1030 * combine.c: Use HOST_WIDE_INT_M1U instead of
1031 ~(unsigned HOST_WIDE_INT) 0.
1032 * double-int.h: Ditto.
1034 * dwarf2asm.c:Ditto.
1036 * genmodes.c: Ditto.
1038 * read-rtl.c: Ditto.
1039 * tree-ssa-loop-ivopts.c: Ditto.
1040 * tree-ssa-loop-prefetch.c: Ditto.
1041 * tree-vect-generic.c: Ditto.
1042 * tree-vect-patterns.c: Ditto.
1045 2016-07-20 Georg-Johann Lay <avr@gjlay.de>
1047 * gcc/config/avr.c (avr_legitimize_address) [AVR_TINY]: Force
1048 constant addresses outside [0,0xc0] into a register.
1049 (avr_out_movhi_r_mr_reg_no_disp_tiny): Pass insn. And handle
1050 cases where the base address register is unused after.
1051 (avr_out_movhi_r_mr_reg_disp_tiny): Same.
1052 (avr_out_movhi_mr_r_reg_disp_tiny): Same.
1053 (avr_out_store_psi_reg_disp_tiny): Same.
1055 2016-07-20 Georg-Johann Lay <avr@gjlay.de>
1057 Implement attribute progmem on reduced Tiny cores by adding
1058 flash offset 0x4000 to respective symbols.
1061 * doc/extend.texi (AVR Variable Attributes) [progmem]: Add
1062 documentation how it works on reduced Tiny cores.
1063 (AVR Named Address Spaces): No support for reduced Tiny.
1064 * config/avr/avr.c (AVR_SYMBOL_FLAG_TINY_PM): New macro.
1065 (avr_address_tiny_pm_p): New static function.
1066 (avr_print_operand_address) [AVR_TINY]: Add AVR_TINY_PM_OFFSET
1067 if the address is in progmem.
1068 (avr_assemble_integer): Same.
1069 (avr_encode_section_info) [AVR_TINY]: Set AVR_SYMBOL_FLAG_TINY_PM
1070 for symbol_ref in progmem.
1071 * config/avr/avr.h (AVR_TINY_PM_OFFSET): New macro.
1072 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use it instead of
1073 magic 0x4000 when built-in def'ing __AVR_TINY_PM_BASE_ADDRESS__.
1075 2016-07-20 Patrick Palka <ppalka@gcc.gnu.org>
1077 * configure.ac (thin_archive_support): New variable. AC_SUBST it.
1078 * configure: Regenerate.
1079 * Makefile.in (THIN_ARCHIVE_SUPPORT): New variable.
1080 (USE_THIN_ARCHIVES): New variable.
1081 (libbackend.a): If USE_THIN_ARCHIVES then pass T to ar to build
1082 this archive as a thin archive.
1084 2016-07-20 David Malcolm <dmalcolm@redhat.com>
1086 * diagnostic-show-locus.c (diagnostic_show_locus): If this is the
1087 same location as last time, don't skip if we have fix-it hints.
1088 Clarify the skipping logic by converting it from one "if" clause
1089 to repeated "if" clauses.
1090 * spellcheck-tree.c: Include "cpplib.h".
1091 (find_closest_macro_cpp_cb): Move here from c/c-decl.c.
1092 (best_macro_match::best_macro_match): New constructor.
1093 * spellcheck-tree.h (struct edit_distance_traits<cpp_hashnode *>):
1094 Move here from c/c-decl.c.
1095 (class best_macro_match): Move here from c/c-decl.c, converting
1096 from a typedef to a subclass, gaining a ctor.
1098 2016-07-20 Georg-Johann Lay <avr@gjlay.de>
1100 * config/avr/avr-protos.h (avr_addr_space_supported_p): New prototype.
1101 * config/avr/avr.c (TARGET_ADDR_SPACE_DIAGNOSE_USAGE): New hook
1103 (avr_addr_space_diagnose_usage): ...and implementation.
1104 (avr_addr_space_supported_p): New function.
1105 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Only
1106 report bad address space usage if that space is supported.
1107 (avr_insert_attributes): Same. No more complain about unsupported
1109 * config/avr/avr-c.c (tm_p.h): Include it.
1110 (avr_cpu_cpp_builtins): Only define addr-space related built-in
1111 macro if avr_addr_space_supported_p.
1113 2016-07-20 Alexander Monakov <amonakov@ispras.ru>
1115 * config/nvptx/nvptx.c (nvptx_option_override): Do not set
1116 flag_toplevel_reorder.
1118 2016-07-20 David Malcolm <dmalcolm@redhat.com>
1120 * gcc-rich-location.c
1121 (gcc_rich_location::add_fixit_misspelled_id): New overload, taking
1123 * gcc-rich-location.h
1124 (gcc_rich_location::add_fixit_misspelled_id): Likewise.
1126 2016-07-20 Georg-Johann Lay <avr@gjlay.de>
1128 * target.def (addr_space): Add new diagnose_usage to hook vector.
1129 * targhooks.c (default_addr_space_diagnose_usage): Add default
1130 implementation and...
1131 * targhooks.h (default_addr_space_diagnose_usage): ... its prototype.
1132 * c/c-parser.c (c_lex_one_token) [CPP_NAME]: If the token
1133 is some address space, call targetm.addr_space.diagnose_usage.
1134 * doc/tm.texi.in (Named Address Spaces): Add anchor for
1135 TARGET_ADDR_SPACE_DIAGNOSE_USAGE documentation.
1136 * doc/tm.texi: Regenerate.
1138 2016-07-20 Martin Liska <mliska@suse.cz>
1141 * graphite-isl-ast-to-gimple.c (later_of_the_two):
1142 Properly handly PHI stmts.
1144 2016-07-20 Bin Cheng <bin.cheng@arm.com>
1146 PR tree-optimization/71503
1147 PR tree-optimization/71683
1148 * tree-if-conv.c (gen_phi_arg_condition): Record true predicate
1151 2016-07-20 Martin Liska <mliska@suse.cz>
1153 * doc/invoke.texi (-fipa-ra): Document when the option is
1154 disabled. Fix a typo.
1156 2016-07-20 Martin Liska <mliska@suse.cz>
1158 * Makefile.in: Include fibonacci_heap.c
1159 * fibonacci_heap.c: New file.
1160 * fibonacci_heap.h (fibonacci_heap::insert): Use insert_node.
1161 (fibonacci_heap::union_with): Fix deletion of the second heap.
1162 * selftest-run-tests.c (selftest::run_tests): Incorporate
1163 fibonacci heap tests.
1164 * selftest.h: Declare fibonacci_heap_c_tests.
1166 2016-07-20 Martin Liska <mliska@suse.cz>
1168 * selftest-run-tests.c (selftest::run_tests): New function.
1169 * selftest.h (sreal_c_tests): Declare.
1170 * sreal.c (sreal_verify_basics): New function.
1171 (verify_aritmetics): Likewise.
1172 (sreal_verify_arithmetics): Likewise.
1173 (verify_shifting): Likewise.
1174 (sreal_verify_shifting): Likewise.
1175 (void sreal_c_tests): Likewise.
1177 2016-07-19 Jakub Jelinek <jakub@redhat.com>
1179 PR rtl-optimization/71916
1180 * cfgrtl.c (contains_no_active_insn_p): Return false also for
1181 bb which have a single succ fake edge.
1183 2016-07-19 Aldy Hernandez <aldyh@redhat.com>
1186 * dwarf2out.c (gen_subprogram_die): Only call
1187 gen_unspecified_parameters_die while dumping early dwarf.
1189 2016-07-19 Jakub Jelinek <jakub@redhat.com>
1192 * gimple-fold.c (fold_builtin_memory_op): Use
1193 get_addr_base_and_unit_offset instead of get_ref_base_and_extent.
1195 2016-07-19 Uros Bizjak <ubizjak@gmail.com>
1197 * builtins.c: Use HOST_WIDE_INT_1 instead of (HOST_WIDE_INT) 1,
1198 HOST_WIDE_INT_1U instead of (unsigned HOST_WIDE_INT) 1,
1199 HOST_WIDE_INT_M1 instead of (HOST_WIDE_INT) -1 and
1200 HOST_WIDE_INT_M1U instead of (unsigned HOST_WIDE_INT) -1.
1204 * double-int.c: Ditto.
1206 * dwarf2out.c: Ditto.
1209 * fold-const.c: Ditto.
1210 * function.c: Ditto.
1212 * genmodes.c: Ditto.
1216 * loop-doloop.c: Ditto.
1217 * loop-invariant.c: Ditto.
1224 * simplify-rtx.c: Ditto.
1225 * stor-layout.c: Ditto.
1227 * tree-ssa-loop-ivopts.c: Ditto.
1228 * tree-vect-generic.c: Ditto.
1229 * tree-vect-patterns.c: Ditto.
1234 * wide-int-print.cc: Ditto.
1235 * wide-int.cc: Ditto.
1236 * wide-int.h: Ditto.
1238 2016-07-19 David Malcolm <dmalcolm@redhat.com>
1240 * selftest.c (selftest::assert_streq): Handle NULL values of
1241 val_actual and val_expected.
1243 2016-07-19 Martin Jambor <mjambor@suse.cz>
1246 * trans-decl.c (gfc_generate_function_code): Use cgraph_get_create_node
1247 rather than cgraph_create_node to get a call graph node.
1249 2016-07-19 Richard Biener <rguenther@suse.de>
1251 * gimple-fold.c (get_base_constructor): Add VIEW_CONVERT case,
1252 handle all tcc_constant bases and valueize SSA names.
1253 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): Handle
1256 2016-07-19 David Malcolm <dmalcolm@redhat.com>
1258 * function-tests.c (selftest::verify_three_block_rtl_cfg): Verify
1259 the flags of the exit block and bb2, not just the entry block.
1261 2016-07-19 Richard Biener <rguenther@suse.de>
1263 PR tree-optimization/71901
1264 * tree-ssa-sccvn.h (struct vn_reference_op_struct): Add
1265 align member, group stuff with the bitfield.
1266 (vn_ref_op_align_unit): New inline.
1267 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): For ARRAY_REFs
1268 record element alignment and operand 3 unchanged.
1269 (ao_ref_init_from_vn_reference): Adjust.
1270 (valueize_refs_1): Likewise.
1271 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Likewise.
1273 2016-07-19 Richard Biener <rguenther@suse.de>
1275 PR tree-optimization/71908
1276 * tree-ssa-structalias.c (get_constraint_for_component_ref): Handle
1277 symbolic constants in a more reliable way.
1279 2016-07-19 Ilya Enkovich <ilya.enkovich@intel.com>
1281 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Update
1283 (vect_update_inits_of_drs): Likewise.
1284 (vect_create_cond_for_alias_checks): Likewise.
1285 * tree-vect-loop.c (vect_get_known_peeling_cost): Likewise.
1287 2016-07-19 Richard Biener <rguenther@suse.de>
1290 * lto-streamer-out.c (DFS::DFS_write_tree_body): For blocks
1291 with an abstract origin that is not an inlined function outer
1292 scope add a self-reference as abstract origin.
1293 * tree-streamer-out.c (write_ts_block_tree_pointers): Likewise.
1295 2016-07-18 Michael Meissner <meissner@linux.vnet.ibm.com>
1298 * config/rs6000/rs6000.c (rs6000_function_value): Fix
1299 unintentional System V.4 structure return breakage for structures
1300 with a single floating point element.
1302 2016-07-18 Yuri Rumyantsev <ysrumyan@gmail.com>
1304 PR tree-optimization/71734
1305 * tree-ssa-loop-im.c (ref_indep_loop_p_1): Add REF_LOOP argument which
1306 contains REF, use it to check safelen, assume that safelen value
1307 must be greater 1, fix style.
1308 (ref_indep_loop_p_2): Add REF_LOOP argument.
1309 (ref_indep_loop_p): Pass LOOP as additional argument to
1312 2016-07-18 Dominik Vogt <vogt@linux.vnet.ibm.com>
1314 * cfgexpand.c (expand_stack_vars): Implement synamic stack space
1315 allocation in the prologue.
1316 * explow.c (get_dynamic_stack_base): New function to return an address
1317 expression for the dynamic stack base.
1318 (get_dynamic_stack_size): New function to do the required dynamic stack
1319 space size calculations.
1320 (allocate_dynamic_stack_space): Use new functions.
1321 (align_dynamic_address): Move some code from
1322 allocate_dynamic_stack_space to new function.
1323 * explow.h (get_dynamic_stack_base, get_dynamic_stack_size): Export.
1325 2016-07-18 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1327 * config/s390/s390.c (s390_encode_section_info): Always set
1328 notaligned marker if mode size is 0 or no MEM_ALIGN info could be
1331 2016-07-18 Richard Biener <rguenther@suse.de>
1333 PR tree-optimization/71893
1334 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Compensate
1335 for sizetype cast added by array_ref_element_size.
1336 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
1338 2016-07-16 John David Anglin <danglin@gcc.gnu.org>
1340 * config/pa/pa.c (hppa_profile_hook): Allocate stack space for
1341 register parameters. Remove code to initialize argument pointer
1342 on TARGET_64BIT. Optimize call to _mcount when it can be reached
1343 using a pc-relative branch. Cleanup conditional code.
1344 * config/pa/pa.md (call_mcount): New expander.
1345 (call_mcount_nonpic): New insn.
1346 (call_mcount_pic): New insn and split.
1347 (call_mcount_pic_post_reload): New insn.
1348 (call_mcount_64bit): New insn and split.
1349 (call_mcount_64bit_post_reload): New insn.
1351 2016-07-15 Georg-Johann Lay <avr@gjlay.de>
1353 * config/avr/predicates.md (const_m255_to_m1_operand): New.
1354 * config/avr/constraints.md (Cn8, Ca1, Co1, Yx2): New constraints.
1355 * config/avr/avr.md (add<mode>3) <ALL1>: Fix set_vzn for +/-2.
1356 (*cmphi.zero-extend.0, *cmphi.zero-extend.1)
1357 (*usum_widenqihi3, *udiff_widenqihi3)
1358 (*addhi3_zero_extend.const): New combiner insns.
1359 (andqi3, iorqi3): Provide "l" (NO_LD_REGS) alternative if
1360 just 1 bit is affected.
1361 * config/avr/avr.c (avr_out_bitop) <QImode>: Don't access xop[3].
1362 (avr_out_compare) [EQ,NE]: Tweak comparing d-regs against -1.
1364 2016-07-15 Cesar Philippidis <cesar@codesourcery.com>
1366 * omp-low.c (lower_omp_target): Mark data clauses with
1367 GOMP_MAP_FORCE_{PRESENT,TO,FROM,TOFROM} as potentially having
1368 zero-length subarrays.
1370 2016-07-15 Richard Biener <rguenther@suse.de>
1372 PR tree-optimization/71881
1373 * tree-loop-distribution.c (destroy_loop): Remove blocks in
1374 reverse DOM order to make debug temp generation happy.
1376 2016-07-15 Richard Biener <rguenther@suse.de>
1378 PR tree-optimization/71887
1379 * tree-ssa-phiopt.c (absorbing_element_p): Add rhs arg and
1380 verify it is not zero for division / modulo handling.
1381 (value_replacement): Adjust.
1383 2016-07-15 Virendra Pathak <virendra.pathak@broadcom.com>
1384 Julian Brown <julian@codesourcery.com>
1386 * config/aarch64/aarch64-cores.def: Update vulcan COSTS.
1387 * config/aarch64/aarch64-cost-tables.h
1388 (vulcan_extra_costs): New variable.
1389 * config/aarch64/aarch64.c
1390 (vulcan_addrcost_table): Likewise.
1391 (vulcan_regmove_cost): Likewise.
1392 (vulcan_vector_cost): Likewise.
1393 (vulcan_branch_cost): Likewise.
1394 (vulcan_tunings): Likewise.
1396 2016-07-15 Alexander Monakov <amonakov@ispras.ru>
1398 * cgraphunit.c (cgraph_order_sort_kind): New entry ORDER_VAR_UNDEF.
1399 (output_in_order): Loop over undefined variables too. Output them
1400 via assemble_undefined_decl. Skip variables that correspond to hard
1401 registers or have value-exprs.
1402 * varpool.c (symbol_table::output_variables): Handle undefined
1403 variables together with defined ones.
1405 2016-07-15 Richard Biener <rguenther@suse.de>
1407 * tree-ssa-pre.c (get_representative_for): Make sure to return
1408 the value number of SSA names.
1409 (phi_translate_1): get_representative_for cannot return NULL.
1410 (do_pre_regular_insertion): Remove redundant call to
1411 fully_constant_expression.
1412 (do_pre_partial_partial_insertion): Likewise.
1414 2016-07-15 Bin Cheng <bin.cheng@arm.com>
1416 * tree-scalar-evolution.c (simple_iv_with_niters): New funcion.
1417 (derive_simple_iv_with_niters): New function.
1418 (simple_iv): Rewrite using simple_iv_with_niters.
1419 * tree-scalar-evolution.h (simple_iv_with_niters): New decl.
1420 * tree-ssa-loop-niter.c (number_of_iterations_exit_assumptions): New
1422 (number_of_iterations_exit): Rewrite using above function.
1423 * tree-ssa-loop-niter.h (number_of_iterations_exit_assumptions): New
1426 2016-07-15 Richard Biener <rguenther@suse.de>
1428 * config/i386/i386.c (ix86_builtin_vectorization_cost): Adjust
1431 2016-07-14 Jakub Jelinek <jakub@redhat.com>
1433 PR tree-optimization/71872
1434 * tree-data-ref.c (get_references_in_stmt): Ignore references
1435 with is_gimple_constant get_base_address.
1437 2016-07-14 Thomas Preud'homme <thomas.preudhomme@arm.com>
1439 * config/arm/arm.h (TARGET_HAVE_LDACQ): Enable for ARMv8-M Mainline.
1440 (TARGET_HAVE_LDACQD): New macro.
1441 * config/arm/sync.md (atomic_loaddi): Use TARGET_HAVE_LDACQD rather
1442 than TARGET_HAVE_LDACQ.
1443 (arm_load_acquire_exclusivedi): Likewise.
1444 (arm_store_release_exclusivedi): Likewise.
1446 2016-07-14 Thomas Preud'homme <thomas.preudhomme@arm.com>
1448 PR rtl-optimization/71878
1449 * lra-constraints.c (match_reload): Pass information about other
1450 output operands. Create new unique register value if matching input
1451 operand shares same register value as output operand being considered.
1452 (curr_insn_transform): Record output operands already processed.
1454 2016-07-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1457 PR tree-optimization/70923
1458 * tree-vect-patterns.c: Include mult-synthesis.h.
1459 (target_supports_mult_synth_alg): New function.
1460 (synth_lshift_by_additions): Likewise.
1461 (apply_binop_and_append_stmt): Likewise.
1462 (vect_synth_mult_by_constant): Likewise.
1463 (target_has_vecop_for_code): Likewise.
1464 (vect_recog_mult_pattern): Use above functions to synthesize vector
1465 multiplication by integer constants.
1467 2016-07-14 Alan Modra <amodra@gmail.com>
1469 * gcc/config/rs6000/altivec.md (altivec_mov<mode>): Disparage
1470 gpr alternatives. Correct '*' placement on Y,r alternative.
1471 Add '*' on operand 1 of r,r alternative.
1473 2016-07-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1475 * expmed.c (mult_variant, choose_mult_variant): Move declaration to...
1476 * expmed.h: ... Here.
1478 2016-07-14 Jan Hubicka <hubicka@ucw.cz>
1480 * gimple.h (stmt_can_terminate_bb_p): New function.
1481 * tree-cfg.c (need_fake_edge_p): Rename to ...
1482 (stmt_can_terminate_bb_p): ... this; return true if stmt can
1483 throw external; handle const and pure calls.
1484 * tree-ssa-loop-niter.c (loop_only_exit_p): Use it.
1486 2016-07-14 Richard Biener <rguenther@suse.de>
1488 PR tree-optimization/71866
1489 * tree-ssa-pre.c (get_constant_for_value_id): Remove.
1490 (do_hoist_insertion): Avoid endless recursion when we
1491 didn't insert anything because we managed to simplify
1492 things down to a constant or SSA name.
1493 (fully_constant_expression): Re-write in terms of ...
1494 * tree-ssa-sccvn.h (vn_nary_simplify): ... this. Declare.
1495 * tree-ssa-sccvn.c (vn_nary_simplify): New wrapper around
1496 vn_nary_build_or_lookup_1.
1497 (vn_nary_build_or_lookup_1): Added flag and renamed from ...
1498 (vn_nary_build_or_lookup): ... this which now wraps it.
1500 2016-07-14 Alan Modra <amodra@gmail.com>
1503 * config/rs6000/rs6000.c (rs6000_option_override_internal): Deal
1504 with p9_vector override before power9-dform override.
1506 2016-07-13 Andi Kleen <ak@linux.intel.com>
1508 * value-prof.c (gimple_value_profile_transformations): Don't run
1509 when auto_profile is on.
1511 2016-07-13 Andi Kleen <ak@linux.intel.com>
1513 * auto-profile.c (update_inlined_ind_target,
1514 afdo_indirect_call): Print information to dump file.
1516 2016-07-13 Andrew Burgess <andrew.burgess@embecosm.com>
1518 * genrecog.c (special_predicate_operand_p): New function.
1519 (predicate_name): Move function.
1520 (validate_pattern): Don't warn about missing mode for all
1521 define_special_predicate predicates.
1523 2016-07-13 Bin Cheng <bin.cheng@arm.com>
1525 * tree-vect-data-refs.c (vect_no_alias_p): New function.
1526 (vect_prune_runtime_alias_test_list): Call vect_no_alias_p to
1527 resolve alias checks which are known at compilation time.
1528 Truncate vector LOOP_VINFO_MAY_ALIAS_DDRS(loop_vinfo) if all
1529 alias checks are resolved. Move dump info for too many runtime
1530 alias checks to here...
1531 * tree-vect-loop.c (vect_analyze_loop_2): ...From here.
1533 2016-07-13 Richard Biener <rguenther@suse.de>
1535 PR tree-optimization/24574
1536 * tree-ssa-phiopt.c (absorbing_element_p): Pass in argument
1537 position and add shift, rotate, divison and modulo support
1539 (value_replacement): Pass in argument position to absorbing_element_p.
1541 2016-07-13 Ilya Enkovich <ilya.enkovich@intel.com>
1544 * ipa-inline-transform.c (inline_call): Support
1545 instrumented thunks.
1547 2016-07-13 Thomas Preud'homme <thomas.preudhomme@arm.com>
1549 * config/arm/arm.h (TARGET_HAVE_CBZ): Define.
1550 (TARGET_IDIV): Set for all Thumb targets provided they have hardware
1552 * config/arm/arm.md (divsi3): New unpredicable alternative for ARMv8-M
1553 Baseline. Make initial alternative TARGET_32BIT only.
1554 (udivsi3): Likewise.
1555 * config/arm/thumb1.md (thumb1_cbz): New define_insn.
1556 * doc/sourcebuild.texi (arm_thumb1_cbz_ok): Document new effective
1559 2016-07-13 Thomas Preud'homme <thomas.preudhomme@arm.com>
1561 * config/arm/arm.h (TARGET_HAVE_MOVT): Include ARMv8-M as having MOVT.
1562 * config/arm/arm.c (arm_arch_name): (const_ok_for_op): Check MOVT/MOVW
1563 availability with TARGET_HAVE_MOVT.
1564 (thumb_legitimate_constant_p): Strip the high part of a label_ref.
1565 (thumb1_rtx_costs): Also return 0 if setting a half word constant and
1566 MOVW is available and replace (unsigned HOST_WIDE_INT) INTVAL by
1568 (thumb1_size_rtx_costs): Make set of half word constant also cost 1
1569 extra instruction if MOVW is available. Use a cost variable
1570 incremented by COSTS_N_INSNS (1) when the condition match rather than
1571 returning an arithmetic expression based on COSTS_N_INSNS. Make
1572 constant with bottom half word zero cost 2 instruction if MOVW is
1574 * config/arm/arm.md (define_attr "arch"): Add v8mb.
1575 (define_attr "arch_enabled"): Set to yes if arch value is v8mb and
1576 target is ARMv8-M Baseline.
1577 (arm_movt): New unpredicable alternative for ARMv8-M Baseline.
1578 (arm_movtas_ze): Likewise.
1579 * config/arm/thumb1.md (thumb1_movdi_insn): Add ARMv8-M Baseline only
1580 alternative for constants satisfying j constraint.
1581 (thumb1_movsi_insn): Likewise.
1582 (movsi splitter for K alternative): Tighten condition to not trigger
1583 if movt is available and j constraint is satisfied.
1584 (Pe immediate splitter): Likewise.
1585 (thumb1_movhi_insn): Add ARMv8-M Baseline only alternative for
1586 constant fitting in an halfword to use MOVW.
1587 * doc/sourcebuild.texi (arm_thumb1_movt_ok): Document new ARM
1590 2016-07-13 Richard Biener <rguenther@suse.de>
1593 * gimplify.c (gimplify_modify_expr): Gimplify the RHS before
1594 gimplifying the LHS. Make sure to gimplify a returning twice
1595 call LHS without using SSA names.
1597 2016-07-12 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
1599 * tree-data-ref.c (find_data_references_in_stmt): Remove
1600 unnecessary call to vec::release.
1601 (graphite_find_data_references_in_stmt): Likewise.
1602 * tree-ssa-alias.c (nonoverlapping_component_refs_of_decl_p): Likewise.
1603 * tree-vect-stmts.c (vectorizable_condition): Likewise.
1605 2016-07-12 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
1607 * cfgexpand.c (expand_used_vars): Make the type of a local
1609 * genmatch.c (lower_for): Likewise.
1610 * haifa-sched.c (haifa_sched_init): Likewise.
1611 (add_to_speculative_block): Likewise.
1612 (create_check_block_twin): Likewise.
1613 * predict.c (handle_missing_profiles): Likewise.
1614 * tree-data-ref.c (loop_nest_has_data_refs): Likewise.
1615 * tree-diagnostic.c (maybe_unwind_expanded_macro_loc): Likewise.
1616 * tree-ssa-loop-niter.c (discover_iteration_bound_by_body_walk):
1618 (maybe_lower_iteration_bound): Likewise.
1619 * tree-ssa-sccvn.c (DFS): Likewise.
1620 * tree-stdarg.c (reachable_at_most_once): Likewise.
1621 * tree-vect-stmts.c (vectorizable_conversion): Likewise.
1622 (vectorizable_store): Likewise.
1624 2016-07-12 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
1626 * tree-ssa-sccvn.c (sccvn_dom_walker::~sccvn_dom_walker): remove.
1627 (sccvn_dom_walker): make cond_stack an auto_vec.
1629 2016-07-12 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
1631 * ree.c (struct ext_state): Make type of members auto_vec.
1632 (find_and_remove_re): Adjust.
1634 2016-07-12 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
1636 * cfgexpand.c (struct stack_vars_data): Make type of fields
1638 (expand_used_vars): Adjust.
1640 2016-07-12 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
1642 * ipa.c (record_cdtor_fn): Adjust.
1643 (build_cdtor_fns): Likewise.
1644 (ipa_cdtor_merge): Make static_ctors and static_dtors local
1647 2016-07-12 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
1649 * genextract.c (struct accum_extract): Add constructor and make
1653 2016-07-12 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
1655 * tree.c (struct free_lang_data_d): Add constructor and change
1656 types of members to ones that automatically manage resources.
1657 (fld_worklist_push): Adjust.
1658 (find_decls_types): Likewise.
1659 (find_decls_types_in_eh_region): Likewise.
1660 (free_lang_data_in_cgraph): Stop manually creating and
1661 destroying members of free_lang_data_d.
1663 2016-07-13 Uros Bizjak <ubizjak@gmail.com>
1665 PR rtl-optimization/68961
1666 * config/i386/sse.md (movsd/movhpd to movupd peephole2s): Add new
1667 peephole variant. Use sse_reg_operand predicates.
1669 2016-07-12 Uros Bizjak <ubizjak@gmail.com>
1671 * config/i386/predicates.md (x86_64_immediate_operand)
1672 <case CONST_INT>: Remove unneeded truncation to DImode.
1673 <case CONST>: Ditto.
1674 (x86_64_zext_immediate_operand) <case CONST>: Ditto.
1676 2016-07-12 Michael Meissner <meissner@linux.vnet.ibm.com>
1679 * config/rs6000/altivec.md (altivec_vperm_<mode>_internal):
1680 The xxperm and xxpermr instructions require that the 2nd input
1681 operand overlap with the output operand, and not the 1st.
1682 (altivec_vperm_v8hiv16qi): Likewise.
1683 (altivec_vperm_<mode>_uns_internal): Likewise.
1684 (altivec_vpermr_<mode>_internal): Likewise.
1685 (vperm_v8hiv4si): Likewise.
1686 (vperm_v16qiv8hi): Likewise.
1688 2016-07-12 Nathan Sidwell <nathan@acm.org>
1690 * config/arm/arm.c (arm_option_override): Set MASK_SINGLE_PIC_BASE
1691 when -mno-pic-data-is-text-relative is in effect, by default.
1692 * doc/invoke.texi (mpic-data-is-text-relative): Document new
1693 behavior and clarify.
1695 2016-07-12 Martin Liska <mliska@suse.cz>
1697 * params.def: Add avg-loop niter.
1698 * tree-ssa-loop-ivopts.c (avg_loop_niter): Use the param.
1699 * cfgloopanal.c (expected_loop_iterations_unbounded): Likewise.
1700 * doc/invoke.texi: Document the new parameter.
1702 2016-07-12 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1705 * expr.c (store_constructor): Mask sign-extended bits when widening
1706 sub-word constructor element at the start of a word.
1708 2016-07-12 Martin Liska <mliska@suse.cz>
1710 * Makefile.in: Append rule for params-options.h.
1711 * params-options.h: New file.
1713 2016-07-12 Martin Liska <mliska@suse.cz>
1715 * ira-build.c (mark_loops_for_removal): Properly iterate
1718 2016-07-12 Steven Bosscher <steven@gcc.gnu.org>
1719 Richard Biener <rguenther@suse.de>
1721 PR tree-optimization/23286
1722 PR tree-optimization/70159
1723 * doc/invoke.texi: Document -fcode-hoisting.
1724 * common.opt (fcode-hoisting): New flag.
1725 * opts.c (default_options_table): Enable -fcode-hoisting at -O2+.
1726 * tree-ssa-pre.c (pre_stats): Add hoist_insert.
1727 (do_regular_insertion): Rename to ...
1728 (do_pre_regular_insertion): ... this and amend general comments
1729 on insertion strathegy.
1730 (do_partial_partial_insertion): Rename to ...
1731 (do_pre_partial_partial_insertion): ... this.
1732 (do_hoist_insertion): New function.
1733 (insert_aux): Take flags on whether to do PRE and/or hoist insertion
1734 and call do_hoist_insertion properly.
1736 (pass_pre::gate): Enable also if -fcode-hoisting is enabled.
1737 (pass_pre::execute): Register hoist_insert stats.
1739 2016-07-12 Jakub Jelinek <jakub@redhat.com>
1742 * gimple-fold.c (optimize_atomic_compare_exchange_p): Return false
1743 for SCALAR_FLOAT_TYPE_P type of expected var, or if TYPE_PRECISION
1744 is different from mode's bitsize. Small cleanup.
1746 2016-07-12 Richard Biener <rguenther@suse.de>
1748 PR rtl-optimization/68961
1749 * fwprop.c (propagate_rtx): Allow SUBREGs of VEC_CONCAT and CONCAT
1750 to simplify to a non-constant.
1752 2016-07-11 Jakub Jelinek <jakub@redhat.com>
1755 * omp-low.c (expand_omp_target): Gimplify device.
1757 PR tree-optimization/71823
1758 * tree-vect-stmts.c (vectorizable_operation): Use vect_get_vec_defs
1759 to get vec_oprnds2 from op2.
1761 2016-07-11 Uros Bizjak <ubizjak@gmail.com>
1763 * config/i386/predicates.md (x86_64_immediate_operand) <case CONST>:
1764 Hoist common subexpressions.
1765 (x86_64_zext_immediate_operand) <case CONST>: Ditto.
1767 2016-07-11 Pat Haugen <pthaugen@us.ibm.com>
1770 * config/rs6000/rs6000.md (stfiwx): Change constraint to 'wu' to
1771 prevent generation of 'stxsiwx' on pre Power8 hardware.
1773 2016-07-11 David Malcolm <dmalcolm@redhat.com>
1775 * input.c: Include cpplib.h.
1776 (selftest::temp_source_file): New class.
1777 (selftest::temp_source_file::temp_source_file): New ctor.
1778 (selftest::temp_source_file::~temp_source_file): New dtor.
1779 (selftest::should_have_column_data_p): New function.
1780 (selftest::test_should_have_column_data_p): New function.
1781 (selftest::temp_line_table): New class.
1782 (selftest::temp_line_table::temp_line_table): New ctor.
1783 (selftest::temp_line_table::~temp_line_table): New dtor.
1784 (selftest::test_accessing_ordinary_linemaps): Add case_ param; use
1785 it to create a temp_line_table.
1786 (selftest::assert_loceq): Only verify LOCATION_COLUMN for
1787 locations that are known to have column data.
1788 (selftest::line_table_case): New struct.
1789 (selftest::test_reading_source_line): Move tempfile handling
1790 to class temp_source_file.
1791 (ASSERT_TOKEN_AS_TEXT_EQ): New macro.
1792 (selftest::assert_token_loc_eq): New function.
1793 (ASSERT_TOKEN_LOC_EQ): New macro.
1794 (selftest::test_lexer): New function.
1795 (selftest::boundary_locations): New array.
1796 (selftest::input_c_tests): Call test_should_have_column_data_p.
1797 Loop over a test matrix of interesting values of location and
1798 default_range_bits, calling test_lexer on each case in the matrix.
1799 Move call to test_accessing_ordinary_linemaps into the matrix.
1800 * selftest.h (ASSERT_EQ): Reimplement in terms of...
1801 (ASSERT_EQ_AT): New macro.
1803 2016-07-11 H.J. Lu <hongjiu.lu@intel.com>
1806 * config/i386/i386.c (timode_scalar_chain::fix_debug_reg_uses):
1807 Don't convert TImode in debug insn.
1809 2016-07-11 Bernd Edlinger <bernd.edlinger@hotmail.de>
1811 Convert TYPE_ALIGN_OK to a TYPE_LANG_FLAG.
1812 * tree-core.h (tree_base::nothrow_flag): Adjust comment.
1813 (tree_type_common::lang_flag_7): New.
1814 (tree_type_common::spare): Reduce size.
1815 * tree.h (TYPE_ALIGN_OK): Remove.
1816 (TYPE_LANG_FLAG_7): New.
1817 (get_inner_reference): Adjust header.
1818 * print-tree.c (print_node): Adjust.
1819 * expr.c (get_inner_reference): Remove parameter keep_aligning.
1820 (get_bit_range, expand_assignment, expand_expr_addr_expr_1): Adjust
1821 calls to get_inner_reference.
1822 (expand_expr_real_1): Adjust call to get_inner_reference. Remove
1823 handling of TYPE_ALIGN_OK.
1824 * builtins.c (get_object_alignment_2): Adjust call to
1825 get_inner_reference. Remove handling of VIEW_CONVERT_EXPR.
1826 * emit-rtl.c (set_mem_attributes_minus_bitpos): Remove handling of
1828 * asan.c (instrument_derefs): Adjust calls to get_inner_reference.
1829 * cfgexpand.c (expand_debug_expr): Likewise.
1830 * dbxout.c (dbxout_expand_expr): Likewise.
1831 * dwarf2out.c (loc_list_for_address_of_addr_expr_of_indirect_ref,
1832 loc_list_from_tree, fortran_common): Likewise.
1833 * fold-const.c (optimize_bit_field_compare,
1834 decode_field_reference, fold_unary_loc, fold_comparison,
1835 split_address_to_core_and_offset): Likewise.
1836 * gimple-laddress.c (execute): Likewise.
1837 * gimple-ssa-strength-reduction.c (slsr_process_ref): Likewise.
1838 * gimplify.c (gimplify_scan_omp_clauses): Likewise.
1839 * hsa-gen.c (gen_hsa_addr): Likewise.
1840 * simplifx-rtx.c (delegitimize_mem_from_attrs): Likewise.
1841 * tsan.c (instrument_expr): Likewise.
1842 * ubsan.c (instrument_bool_enum_load, instrument_object_size): Likewise.
1843 * tree.c (verify_type_variant): Remove handling of TYPE_ALIGN_OK.
1844 * tree-affine.c (tree_to_aff_combination,
1845 get_inner_reference_aff): Adjust calls to get_inner_reference.
1846 * tree-data-ref.c (split_constant_offset_1,
1847 dr_analyze_innermost): Likewise.
1848 * tree-scalar-evolution.c (interpret_rhs_expr): Likewise.
1849 * tree-sra.c (ipa_sra_check_caller): Likewise.
1850 * tree-ssa-loop-ivopts.c (split_address_cost): Likewise.
1851 * tree-ssa-math-opts.c (find_bswap_or_nop_load,
1852 bswap_replace): Likewise.
1853 * tree-vect-data-refs.c (vect_check_gather,
1854 vect_analyze_data_refs): Likewise.
1855 * config/mips/mips.c (r10k_safe_mem_expr_p): Likewise.
1856 * config/pa/pa.c (pa_emit_move_sequence): Remove handling of
1859 2016-07-11 David Malcolm <dmalcolm@redhat.com>
1861 * Makefile.in (selftest-valgrind): New phony target.
1862 * function-tests.c (selftest::build_cfg): Delete pass instances
1863 created by the test.
1864 (selftest::convert_to_ssa): Likewise.
1865 (selftest::test_expansion_to_rtl): Likewise.
1866 * tree-cfg.c (selftest::test_linear_chain): Release dominator
1868 (selftest::test_diamond): Likewise.
1870 2016-07-11 Richard Biener <rguenther@suse.de>
1872 PR tree-optimization/71816
1873 * tree-ssa-pre.c (compute_avail): Adjust alignment of ref rather
1874 than replacing all of its operands.
1876 2016-07-11 Alan Modra <amodra@gmail.com>
1878 * config/rs6000/rs6000.md (UNSPEC_DOLOOP): New unspec.
1879 (ctr<mode>): Add unspec.
1880 (ctr<mode>_internal*): Likewise.
1882 2016-07-08 James Bowman <james.bowman@ftdichip.com>
1884 * config/ft32/ft32.c (ft32_elf_encode_section_info): New function.
1885 * config/ft32/ft32.h (ASM_OUTPUT_SYMBOL_REF): New function.
1887 2016-07-08 Vladimir Makarov <vmakarov@redhat.com>
1889 PR rtl-optimization/71621
1890 * lra-constraints.c (process_alt_operands): Check combination of
1893 2016-07-08 Jason Merrill <jason@redhat.com>
1894 Richard Biener <rguenther@suse.de>
1896 P0145: Refining Expression Order for C++.
1897 * gimplify.c (initial_rhs_predicate_for): New.
1898 (gimplfy_modify_expr): Gimplify RHS before LHS.
1900 2016-07-08 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1903 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
1904 Allow standard error handling to take over when a wrong number
1905 of arguments is presented to __builtin_vec_ld () or
1906 __builtin_vec_st ().
1908 2016-07-08 Jiong Wang <jiong.wang@arm.com>
1910 * config/aarch64/aarch64-simd-builtins.def (smax): Remove float
1915 * config/aarch64/arm_neon.h (vmaxnm_f32): Use
1916 __builtin_aarch64_fmaxv2sf.
1917 (vmaxnmq_f32): Likewise.
1918 (vmaxnmq_f64): Likewise.
1919 (vminnm_f32): Likewise.
1920 (vminnmq_f32): Likewise.
1921 (vminnmq_f64): Likewise.
1923 2016-07-08 Michael Meissner <meissner@linux.vnet.ibm.com>
1926 * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Do not
1927 enable -mfloat128-hardware by default.
1928 (ISA_3_0_MASKS_IEEE): New macro to give all of the VSX options
1929 that IEEE 128-bit hardware support needs.
1930 * config/rs6000/rs6000.c (rs6000_option_override_internal): If
1931 -mcpu=power9 -mfloat128, enable -mfloat128-hardware by default.
1932 Use ISA_3_0_MASKS_IEEE as the set of options that IEEE 128-bit
1933 floating point requires.
1934 * doc/invoke.texi (RS/6000 and PowerPC Options): Document
1935 -mfloat128 and -mfloat128-hardware changes.
1937 2016-07-08 Alan Hayward <alan.hayward@arm.com>
1939 PR tree-optimization/71667
1940 * tree-vect-loop.c (vectorizable_live_operation): ignore DEBUG stmts
1942 2016-07-08 Martin Liska <mliska@suse.cz>
1945 * fold-const.c (fold_convertible_p): As COMPLEX_TYPE
1946 folding produces SAVE_EXPRs, thus return false for the type.
1948 2016-07-07 Martin Liska <mliska@suse.cz>
1950 * file-find.c (remove_prefix): New function.
1951 * file-find.h (remove_prefix): Declare the function.
1952 * gcc-ar.c (main): Skip a folder of the wrapper if
1953 a wrapped binary would point to the same file.
1955 2016-07-07 Jan Hubicka <jh@suse.cz>
1957 * tree-scalar-evolution.c (iv_can_overflow_p): export.
1958 * tree-scalar-evolution.h (iv_can_overflow_p): Declare.
1959 * tree-ssa-loop-ivopts.c (alloc_iv): Use it.
1961 2016-07-07 Ilya Enkovich <ilya.enkovich@intel.com>
1964 * ipa-inline-analysis.c (compute_inline_parameters): Set
1965 local.can_change_signature to false for intrumentation
1968 2016-07-07 Thomas Preud'homme <thomas.preudhomme@arm.com>
1970 * config/arm/arm.h (TARGET_USE_MOVT): Check MOVT/MOVW availability
1971 with TARGET_HAVE_MOVT.
1972 (TARGET_HAVE_MOVT): Define.
1973 * config/arm/arm.c (const_ok_for_op): Check MOVT/MOVW
1974 availability with TARGET_HAVE_MOVT.
1975 * config/arm/arm.md (arm_movt): Use TARGET_HAVE_MOVT to check MOVT
1977 (addsi splitter): Use TARGET_THUMB && TARGET_HAVE_MOVT rather than
1979 (symbol_refs movsi splitter): Remove TARGET_32BIT check.
1980 (arm_movtas_ze): Use TARGET_HAVE_MOVT to check MOVT availability.
1981 * config/arm/constraints.md (define_constraint "j"): Use
1982 TARGET_HAVE_MOVT to check MOVT availability.
1984 2016-07-07 Thomas Preud'homme <thomas.preudhomme@arm.com>
1986 * config/arm/arm-protos.h: Reindent FL_FOR_* macro definitions.
1988 2016-07-07 Thomas Preud'homme <thomas.preudhomme@arm.com>
1990 * config/arm/arm-arches.def (armv8-m.base): Define new architecture.
1991 (armv8-m.main): Likewise.
1992 (armv8-m.main+dsp): Likewise.
1993 * config/arm/arm-protos.h (FL_FOR_ARCH8M_BASE): Define.
1994 (FL_FOR_ARCH8M_MAIN): Likewise.
1995 * config/arm/arm-tables.opt: Regenerate.
1996 * config/arm/bpabi.h: Add armv8-m.base, armv8-m.main and
1997 armv8-m.main+dsp to BE8_LINK_SPEC.
1998 * config/arm/arm.h (TARGET_HAVE_LDACQ): Exclude ARMv8-M.
1999 (enum base_architecture): Add BASE_ARCH_8M_BASE and BASE_ARCH_8M_MAIN.
2000 * config/arm/arm.c (arm_arch_name): Increase size to work with ARMv8-M
2001 Baseline and Mainline.
2002 (arm_option_override_internal): Also disable arm_restrict_it when
2003 !arm_arch_notm. Update comment for -munaligned-access to also cover
2005 (arm_file_start): Increase buffer size for printing architecture name.
2006 * doc/invoke.texi: Document architectures armv8-m.base, armv8-m.main
2007 and armv8-m.main+dsp.
2008 (mno-unaligned-access): Clarify that this is disabled by default for
2009 ARMv8-M Baseline architectures as well.
2011 2016-07-07 Thomas Preud'homme <thomas.preudhomme@arm.com>
2013 * config/arm/elf.h: Use __ARM_ARCH_ISA_THUMB and __ARM_ARCH_ISA_ARM to
2014 decide whether to prevent some libgcc routines being included for some
2015 multilibs rather than __ARM_ARCH_6M__ and add comment to indicate the
2016 link between this condition and the one in
2017 libgcc/config/arm/lib1func.S.
2019 2016-07-07 Richard Biener <rguenther@suse.de>
2021 * tree-ssa-pre.c: Include alias.h.
2022 (compute_avail): If we have multiple VN_REFERENCEs with the
2023 same hashtable entry adjust that to make it a valid replacement
2024 for all of them with respect to alignment and aliasing
2025 when doing insertion.
2026 * tree-ssa-sccvn.h (vn_reference_operands_for_lookup): Declare.
2027 * tree-ssa-sccvn.c (vn_reference_operands_for_lookup): New function.
2029 2016-07-06 Segher Boessenkool <segher@kernel.crashing.org>
2033 * config/rs6000/rs6000.md (*ctr<mode>_internal1, *ctr<mode>_internal2,
2034 *ctr<mode>_internal5, *ctr<mode>_internal6): Add *wi to the output
2037 2016-07-06 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
2039 * var-tracking.c (struct adjust_mem_data): Make side_effects a vector.
2040 (adjust_mems): Adjust.
2041 (adjust_insn): Likewise.
2042 (prepare_call_arguments): Likewise.
2044 2016-07-06 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
2046 * gcse.c (struct ls_expr): Make stores field a vector.
2047 (ldst_entry): Adjust.
2048 (free_ldst_entry): Likewise.
2049 (print_ldst_list): Likewise.
2050 (compute_ld_motion_mems): Likewise.
2051 (update_ld_motion_stores): Likewise.
2053 2016-07-06 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
2055 * gcse.c (struct ls_expr): Remove loads field.
2056 (ldst_entry): Adjust.
2057 (free_ldst_entry): Likewise.
2058 (print_ldst_list): Likewise.
2059 (compute_ld_motion_mems): Likewise.
2061 2016-07-06 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
2063 * store-motion.c (struct st_expr): Make antic_stores a vector.
2064 (st_expr_entry): Adjust.
2065 (free_st_expr_entry): Likewise.
2066 (print_store_motion_mems): Likewise.
2067 (find_moveable_store): Likewise.
2068 (compute_store_table): Likewise.
2069 (remove_reachable_equiv_notes): Likewise.
2070 (replace_store_insn): Likewise.
2071 (build_store_vectors): Likewise.
2073 2016-07-06 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2075 * config/arm/driver-arm.c (arm_cpu_table): Add entries for cortex-a32,
2076 cortex-a35, cortex-a53, cortex-a57, cortex-a72, cortex-a73.
2078 2016-07-06 Yuri Rumyantsev <ysrumyan@gmail.com>
2080 PR tree-optimization/71518
2081 * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Adjust
2082 misalign also for outer loops with negative step.
2084 2016-07-06 Wilco Dijkstra <wdijkstr@arm.com>
2086 * config/arm/cortex-a53.md: Use final_presence_set for in-order.
2087 (cortex_a53_shift): Add mov_shift.
2088 (cortex_a53_shift_reg): Add new reservation for register shifts.
2089 (cortex_a53_alu): Remove bfm.
2090 (cortex_a53_alu_shift): Add bfm, remove mov_shift.
2091 (cortex_a53_alu_extr): Add new reservation for EXTR.
2092 (bypasses): Improve bypass modelling.
2094 2016-07-06 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
2097 * config/avr/avr.c (avr_asm_select_section): Strip off
2098 SECTION_DECLARED from flags when calling get_section.
2100 2016-07-06 Richard Sandiford <richard.sandiford@arm.com>
2102 * tree-vectorizer.h (vect_memory_access_type): Add
2103 VMAT_INVARIANT, VMAT_CONTIGUOUS_DOWN and VMAT_CONTIGUOUS_REVERSED.
2104 * tree-vect-stmts.c (compare_step_with_zero): New function.
2105 (perm_mask_for_reverse): Move further up file.
2106 (get_group_load_store_type): Stick to VMAT_ELEMENTWISE if the
2108 (get_negative_load_store_type): New function.
2109 (get_load_store_type): Call it. Add an ncopies argument.
2110 (vectorizable_mask_load_store): Update call accordingly and
2111 remove tests for negative steps.
2112 (vectorizable_store, vectorizable_load): Likewise. Handle new
2113 memory_access_types.
2115 2016-07-06 Richard Sandiford <richard.sandiford@arm.com>
2117 * tree-vectorizer.h (vect_memory_access_type): New enum.
2118 (_stmt_vec_info): Add a memory_access_type field.
2119 (STMT_VINFO_MEMORY_ACCESS_TYPE): New macro.
2120 (vect_model_store_cost): Take an access type instead of a boolean.
2121 (vect_model_load_cost): Likewise.
2122 * tree-vect-slp.c (vect_analyze_slp_cost_1): Update calls to
2123 vect_model_store_cost and vect_model_load_cost.
2124 * tree-vect-stmts.c (vec_load_store_type): New enum.
2125 (vect_model_store_cost): Take an access type instead of a
2126 store_lanes_p boolean. Simplify tests.
2127 (vect_model_load_cost): Likewise, but for load_lanes_p.
2128 (get_group_load_store_type, get_load_store_type): New functions.
2129 (vectorizable_store): Use get_load_store_type. Record the access
2130 type in STMT_VINFO_MEMORY_ACCESS_TYPE.
2131 (vectorizable_load): Likewise.
2132 (vectorizable_mask_load_store): Likewise. Replace is_store
2133 variable with vls_type.
2135 2016-07-06 Richard Sandiford <richard.sandiford@arm.com>
2137 * tree-vectorizer.h (vect_grouped_load_supported): Add a
2138 single_element_p parameter.
2139 * tree-vect-data-refs.c (vect_grouped_load_supported): Likewise.
2140 Check the PR65518 case here rather than in vectorizable_load.
2141 * tree-vect-loop.c (vect_analyze_loop_2): Update call accordignly.
2142 * tree-vect-stmts.c (vectorizable_load): Likewise.
2144 2016-07-06 Richard Sandiford <richard.sandiford@arm.com>
2146 * tree-vectorizer.h (gather_scatter_info): New structure.
2147 (vect_check_gather_scatter): Return a bool rather than a decl.
2148 Replace return-by-pointer arguments with a single
2149 gather_scatter_info *.
2150 * tree-vect-data-refs.c (vect_check_gather_scatter): Likewise.
2151 (vect_analyze_data_refs): Update call accordingly.
2152 * tree-vect-stmts.c (vect_mark_stmts_to_be_vectorized): Likewise.
2153 (vectorizable_mask_load_store): Likewise. Also record the
2154 offset dt and vectype in the gather_scatter_info.
2155 (vectorizable_store): Likewise.
2156 (vectorizable_load): Likewise.
2158 2016-07-06 Richard Sandiford <richard.sandiford@arm.com>
2160 * tree-vect-stmts.c (vect_model_store_cost): For non-SLP
2161 strided groups, use the cost of N scalar accesses instead
2162 of ncopies vector accesses.
2163 (vect_model_load_cost): Likewise.
2165 2016-07-06 Richard Sandiford <richard.sandiford@arm.com>
2167 * tree-vect-stmts.c (vect_cost_group_size): Delete.
2168 (vect_model_store_cost): Avoid calling it. Use first_stmt_p
2169 variable to indicate when once-per-group costs are being used.
2170 (vect_model_load_cost): Likewise. Fix comment and misindented code.
2172 2016-07-06 Richard Sandiford <richard.sandiford@arm.com>
2174 * tree-vect-stmts.c (vectorizable_load): Remove unnecessary
2175 peeling-for-gaps condition.
2177 2016-07-06 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2179 * config/s390/s390.c (s390_expand_vec_init): Force initializer
2180 element to register if it doesn't match general_operand.
2182 2016-07-05 Michael Meissner <meissner@linux.vnet.ibm.com>
2183 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2185 * config/rs6000/rs6000-protos.h (rs6000_split_signbit): New
2187 * config/rs6000/rs6000.c (rs6000_split_signbit): New function.
2188 * config/rs6000/rs6000.md (UNSPEC_SIGNBIT): New constant.
2189 (SIGNBIT): New mode iterator.
2190 (Fsignbit): New mode attribute.
2191 (signbit<mode>2): Change operand1 to match FLOAT128 instead of
2192 IBM128; dispatch to gen_signbit{kf,tf}2_dm for __float128
2193 when direct moves are available.
2194 (signbit<mode>2_dm): New define_insn_and_split).
2195 (signbit<mode>2_dm2): New define_insn.
2197 2016-07-05 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2199 PR rtl-optimization/71594
2200 * ifcvt.c (noce_convert_multiple_sets): Wrap new_val or old_val
2201 into subregs of appropriate mode before trying to emit a conditional
2204 2016-07-05 Jan Hubicka <jh@suse.cz>
2206 * tree-scalar-evolution.c (iv_can_overflow_p): New function.
2207 (simple_iv): Use it.
2209 2016-07-05 Jan Hubicka <jh@suse.cz>
2211 * tree-ssa-loop-niter.c (nowrap_type_p): Use ANY_INTEGRAL_TYPE_P.
2213 2016-07-05 Jiong Wang <jiong.wang@arm.com>
2215 * lra-constraints.c (process_alt_operands): Don't add spilling cost for
2218 2016-07-05 Jan Hubicka <jh@suse.cz>
2220 * tree-scalar-evoluiton.c (simple_iv): Use nowrap_type to check if
2223 2016-07-05 Richard Biener <rguenther@suse.de>
2225 * gimple-ssa-split-paths.c (find_block_to_duplicate_for_splitting_pa):
2226 Handle empty else block.
2227 (is_feasible_trace): Likewise.
2228 (split_paths): Likewise.
2230 2016-07-05 Richard Biener <rguenther@suse.de>
2232 * tree-loop-distribution.c (distribute_loop): Fix issue with
2233 the cost model loop.
2235 2016-07-05 Christophe Lyon <christophe.lyon@linaro.org>
2237 * config/arm/neon-testgen.ml: Delete.
2238 * config/arm/neon.ml: Delete.
2240 2016-07-04 Jakub Jelinek <jakub@redhat.com>
2243 * tree.c (attribute_value_equal): Use get_attribute_name instead of
2244 directly using TREE_PURPOSE.
2246 2016-07-04 Jiong Wang <jiong.wang@arm.com>
2248 * config/aarch64/aarch64.h: Rename "ARMv8.1" to "ARMv8.1-A".
2249 * config/aarch64/aarch64_neon.h: Likewise.
2250 * config/aarch64/arm_neon.h: Likewise.
2251 * config/aarch64/atomics.md: Likewise.
2252 * config/aarch64/aarch64-simd-builtins.def: Likewise.
2253 * doc/invoke.texi: Likewise.
2255 2016-07-04 Dominik Vogt <vogt@linux.vnet.ibm.com>
2257 * config/s390/s390.md: Add "z13" cpu_facility.
2258 ("*mov<mode>cc"): Add support for z13 instructions lochi and locghi.
2259 * config/s390/predicates.md ("loc_operand"): New predicate for "load on
2260 condition" type instructions.
2262 2016-07-04 Dominik Vogt <vogt@linux.vnet.ibm.com>
2263 Jeff Law <law@redhat.com>
2265 * explow.c (allocate_dynamic_stack_space): Simplify knowing that
2266 MUST_ALIGN was always true and extra_align ist always BITS_PER_UNIT.
2268 2016-07-04 Yuri Rumyantsev <ysrumyan@gmail.com>
2270 * config/i386/i386.c (ix86_expand_vec_perm): Add handle one-operand
2271 permutation for TARGET_AVX512F.
2272 (ix86_expand_vec_one_operand_perm_avx512): New function.
2273 (expand_vec_perm_1): Invoke introduced function.
2274 * tree-vect-loop.c (vect_transform_loop): Clear-up safelen value since
2275 it may be not valid after vectorization.
2277 2016-07-04 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2280 * config/aarch64/aarch64.c (aarch64_classify_symbol): Fix
2281 typo in comment. Only force to memory if it is a weak
2284 2016-07-04 Matthew Wahab <matthew.wahab@arm.com>
2285 Jiong Wang <jiong.wang@arm.com>
2287 * config/aarch64/aarch64-arches.def: Add "armv8.2-a".
2288 * config/aarch64/aarch64.h (AARCH64_FL_V8_2): New.
2289 (AARCH64_FL_F16): New.
2290 (AARCH64_FL_FOR_ARCH8_2): New.
2291 (AARCH64_ISA_8_2): New.
2292 (AARCH64_ISA_F16): New.
2293 (TARGET_FP_F16INST): New.
2294 (TARGET_SIMD_F16INST): New.
2295 * config/aarch64/aarch64-option-extensions.def ("fp16"): New entry.
2296 ("fp"): Disabling "fp" also disables "fp16".
2297 * config/aarch64/aarch64-c.c (arch64_update_cpp_builtins):
2298 Conditionally define __ARM_FEATURE_FP16_SCALAR_ARITHMETIC
2299 and __ARM_FEATURE_FP16_VECTOR_ARITHMETIC.
2300 * doc/invoke.texi (AArch64 Options): Document "armv8.2-a" and "fp16".
2302 2016-07-04 Jan Beulich <jbeulich@suse.com>
2304 * gcc.c (default_compilers["@c-header"]): Conditionalize "-o".
2306 2016-07-01 Michael Meissner <meissner@linux.vnet.ibm.com>
2309 * config/rs6000/vsx.md (vsx_splat_v4sf_internal): When splitting
2310 the insns, use an insn form that does not adjust the offset on
2311 little endian systems.
2313 2016-07-01 Jan Beulich <jbeulich@suse.com>
2315 * varasm.c (get_variable_section): Validate initializer in
2316 named .bss-like sections.
2318 2016-07-01 Kelvin Nilsen <kelvin@gcc.gnu.org>
2320 * config/rs6000/altivec.md (*altivec_vpermr_<mode>_internal):
2321 Exchange the order of the second and third operands in the vpermr
2322 instruction tmeplate.
2324 2016-07-01 Peter Bergner <bergner@vnet.ibm.com>
2327 * config/rs6000/rs6000.c (rs6000_secondary_reload_simple_move):
2328 Disallow TDmode values.
2330 2016-07-01 Alan Modra <amodra@gmail.com>
2332 PR rtl-optimization/71709
2333 * ira-lives.c (find_call_crossed_cheap_reg): Exit loop on arg reg
2334 being set, not referenced.
2336 2016-07-01 Yuri Rumyantsev <ysrumyan@gmail.com>
2338 PR tree-optimization/70729
2339 * tree-vectorizer.c (adjust_simduid_builtins): Nullify safelen field
2340 of loop since it can be not valid after transformation.
2342 2016-07-01 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2344 * config/arm/arm.c (thumb_reload_in_hi): Delete.
2345 * config/arm/arm-protos.h (thumb_reload_in_hi): Delete prototype.
2347 2016-07-01 Eric Botcazou <ebotcazou@adacore.com>
2349 * config/arm/arm.c (arm_function_ok_for_sibcall): Add another check
2352 2016-06-30 Michael Meissner <meissner@linux.vnet.ibm.com>
2355 * config/rs6000/constraints.md (wY constraint): New constraint to
2356 match the requirements for the LXSD and STXSD instructions.
2357 * config/rs6000/predicates.md (offsettable_mem_14bit_operand): New
2358 predicate to match the requirements for the LXSD and STXSD
2360 * config/rs6000/rs6000.md (mov<mode>_hardfloat32, FMOVE64 case):
2361 Use constaint wY for LXSD/STXSD instructions instead of 'o' or 'Y'
2362 to make sure that the bottom 2 bits of offset are 0, the address
2363 form is offsettable, and no updating is done in the address mode.
2364 (mov<mode>_hardfloat64, FMOVE64 case): Likewise.
2365 (movdi_internal32): Likewise
2366 (movdi_internal64): Likewise.
2368 2016-06-30 Jakub Jelinek <jakub@redhat.com>
2370 PR tree-optimization/71707
2371 * tree-ssa-strlen.c (get_stridx_plus_constant): Handle already present
2372 strinfo even for ADDR_EXPR ptr.
2374 2016-06-30 Kelvin Nilsen <kelvin@gcc.gnu.org>
2376 * config/rs6000/altivec.md (darn_32): Change the condition to
2377 TARGET_P9_MISC instead of TARGET_MODULO.
2378 (darn_raw): Replace TARGET_MODULO with TARGET_P9_MISC in the
2379 condition expression.
2380 (darn): Replace TARGET_MODULO with TARGET_P9_MISC in the
2381 condition expression.
2382 * config/rs6000/dfp.md (UNSPEC_DTSTSFI): New unspec constant.
2383 (DFP_TEST): New code iterator.
2384 (dfptstsfi_<code>_mode>): New define_expand.
2385 (*dfp_sgnfcnc_<mode>): New define_insn.
2386 * config/rs6000/rs6000-builtin.def (BU_P9_MISC_0): Move this macro
2387 definition next to BU_P9_MISC_1 definition and change the MASK
2388 value to RS6000_BTM_P9_MISC.
2389 (BU_P9_MISC_1): Change the MASK value to RS6000_BTM_P9_MISC.
2390 (BU_P9_64BIT_MISC_0): Likewise.
2391 (BU_P9_DFP_MISC_0): New macro definition.
2392 (BU_P9_DFP_MISC_1): New macro definition.
2393 (BU_P9_DFP_MISC_2): New macro definition.
2394 (BU_P9_DFP_OVERLOAD_1): New macro definition.
2395 (BU_P9_DFP_OVERLOAD_2): New macro definition.
2396 (BU_P9_DFP_OVERLOAD_3): New macro definition.
2397 (TSTSFI_LT_DD): New BU_P9_DFP_MISC_2.
2398 (TSTSFI_LT_TD): Likewise.
2399 (TSTSFI_EQ_DD): Likewise.
2400 (TSTSFI_EQ_TD): Likewise.
2401 (TSTSFI_GT_DD): Likewise.
2402 (TSTSFI_GT_TD): Likewise.
2403 (TSTSFI_OV_DD): Likewise.
2404 (TSTSFI_OV_TD): Likewise.
2405 (TSTSFI_LT): New BU_P9_DFP_OVERLOAD_2.
2406 (TSTSFI_LT_DD): Likewise.
2407 (TSTSFI_LT_TD): Likewise.
2408 (TSTSFI_EQ): Likewise.
2409 (TSTSFI_EQ_DD): Likewise.
2410 (TSTSFI_EQ_TD): Likewise.
2411 (TSTSFI_GT): Likewise.
2412 (TSTSFI_GT_DD): Likewise.
2413 (TSTSFI_GT_TD): Likewise.
2414 (TSTSFI_OV): Likewise.
2415 (TSTSFI_OV_DD): Likewise.
2416 (TSTSFI_OV_TD): Likewise.
2417 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
2418 overloaded test significance functions.
2419 * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
2420 OPTION_MASK_P9_MISC into the representation of this mask.
2421 (POWERPC_MASKS): Add OPTION_MASK_P9_MISC into the representation
2423 * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Set the
2424 RS6000_BTM_P9_MISC flag in the return value if TARGET_P9_MISC is
2426 (rs6000_expand_binop_builtin): Enforce that argument 0 of the exp
2427 argument is a 6-bit unsigned literal value if the icode argument
2428 represents a DFP test significance built-in call.
2429 (rs6000_invalid_builtin): Add support for the RS6000_BTM_P9_MISC
2430 flag used independently and in combination with the
2431 RS6000_BTM_64BIT flag.
2432 (rs6000_opt_masks): Add entry for power9-misc command-line option.
2433 (rs6000_builtin_mask_names): Add entry for power9-misc
2434 command-line option.
2435 * config/rs6000/rs6000.h: Redefine TARGET_P9_MISC as 0 if
2436 HAVE_AS_POWER9 is not a defined macro. Define MASK_P9_MISC and
2437 RS6000_BTM_P9_MISC macros.
2438 * config/rs6000/rs6000.opt: Add support for the -mpower9-misc
2439 option and change the description of the -mpower9-vector option to
2440 enable only vector instructions, removing its erroneously claimed
2441 support for scalar instructions.
2442 * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
2443 the ISA 3.0 digital floating point test significance built-in
2446 2016-06-30 Wilco Dijkstra <wdijkstr@arm.com>
2448 * config/aarch64/aarch64.c (cortexa35_tunings):
2449 Enable AES fusion. Use cortexa57_branch_cost.
2450 (cortexa53_tunings): Use cortexa57_branch_cost.
2451 (cortexa72_tunings): Use cortexa57_branch_cost.
2452 Use AUTOPREFETCHER_WEAK.
2453 (cortexa73_tunings): Use cortexa57_branch_cost.
2455 2016-06-30 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2456 James Greenhalgh <james.greenhalgh@arm.com>
2458 * config/aarch64/arm_neon.h (vcopyq_lane_f32, vcopyq_lane_f64,
2459 vcopyq_lane_p8, vcopyq_lane_p16, vcopyq_lane_s8, vcopyq_lane_s16,
2460 vcopyq_lane_s32, vcopyq_lane_s64, vcopyq_lane_u8, vcopyq_lane_u16,
2461 vcopyq_lane_u32, vcopyq_lane_u64): Reimplement in C.
2462 (vcopy_lane_f32, vcopy_lane_f64, vcopy_lane_p8, vcopy_lane_p16,
2463 vcopy_lane_s8, vcopy_lane_s16, vcopy_lane_s32, vcopy_lane_s64,
2464 vcopy_lane_u8, vcopy_lane_u16, vcopy_lane_u32, vcopy_lane_u64,
2465 vcopy_laneq_f32, vcopy_laneq_f64, vcopy_laneq_p8, vcopy_laneq_p16,
2466 vcopy_laneq_s8, vcopy_laneq_s16, vcopy_laneq_s32, vcopy_laneq_s64,
2467 vcopy_laneq_u8, vcopy_laneq_u16, vcopy_laneq_u32, vcopy_laneq_u64,
2468 vcopyq_laneq_f32, vcopyq_laneq_f64, vcopyq_laneq_p8, vcopyq_laneq_p16,
2469 vcopyq_laneq_s8, vcopyq_laneq_s16, vcopyq_laneq_s32, vcopyq_laneq_s64,
2470 vcopyq_laneq_u8, vcopyq_laneq_u16, vcopyq_laneq_u32, vcopyq_laneq_u64):
2473 2016-06-30 James Greenhalgh <james.greenhalgh@arm.com>
2474 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2476 * config/aarch64/aarch64-simd.md (*aarch64_simd_vec_copy_lane<mode>):
2478 (*aarch64_simd_vec_copy_lane_<vswap_width_name><mode>): Likewise.
2480 2016-06-30 David Malcolm <dmalcolm@redhat.com>
2483 * gcc.c (driver::build_option_suggestions): Pass "option" to
2484 add_misspelling_candidates.
2485 * opts-common.c (add_misspelling_candidates): Add "option" param;
2486 use it to avoid adding negated forms for options marked with
2488 * opts.h (add_misspelling_candidates): Add "option" param.
2490 2016-06-30 Jakub Jelinek <jakub@redhat.com>
2493 * fold-const.c (fold_binary_loc) <case RROTATE_EXPR>: Cast
2494 TREE_OPERAND (arg0, 0) and TREE_OPERAND (arg0, 1) to type
2495 first when permuting bitwise operation with rotate. Cast
2496 TREE_OPERAND (arg0, 0) to type when cancelling two rotations.
2498 2016-06-29 David Malcolm <dmalcolm@redhat.com>
2500 * opts.c (handle_param): Use find_param_fuzzy to offer suggestions
2501 for misspelled param names.
2502 * params.c: Include spellcheck.h.
2503 (find_param_fuzzy): New function.
2504 * params.h (find_param_fuzzy): New prototype.
2505 * spellcheck.c (struct edit_distance_traits<const char *>): Move to...
2506 * spellcheck.h (struct edit_distance_traits<const char *>):
2509 2016-06-29 Michael Meissner <meissner@linux.vnet.ibm.com>
2511 * config/rs6000/predicates.md (const_0_to_7_operand): New
2512 predicate, recognize 0..7.
2513 * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Add
2514 support for doing extracts from V16QImode, V8HImode, V4SImode
2516 * config/rs6000/vsx.md (VSX_EXTRACT_I): Mode iterator for ISA 3.0
2517 vector extract support.
2518 (VSX_EXTRACT_PREDICATE): Mode attribute to validate element number
2519 for ISA 3.0 vector extract.
2520 (VSX_EX): Constraints to use for ISA 3.0 vector extract.
2521 (vsx_extract_<mode>, VSX_EXTRACT_I): Add support for doing
2522 extracts of a constant element number from small integer vectors
2523 on 64-bit ISA 3.0 systems.
2524 (vsx_extract_<mode>_di): Likewise.
2525 * config/rs6000/rs6000.h (TARGET_VEXTRACTUB): New target macro to
2526 say when we can do ISA 3.0 vector extracts.
2527 * config/rs6000/rs6000.md (stfiwx): Allow DImode in Altivec
2528 registers, using the stxsiwx instruction.
2530 2016-06-29 Jim Wilson <jim.wilson@linaro.org>
2532 * config/aarch64/aarch64-cores.def (qdf24xx): Use qdf24xx tuning.
2533 * config/aarch64/aarch64.c (qdf24xx_addrcost_table,
2534 qdf24xx_regmove_cost, qdf24xx_tunings): New.
2535 * config/arm/aarch64-cost-tables.h (qdf24xx_extra_costs): New.
2536 * config/arm/arm-cores.def (qdf24xx): Use qdf24xx tuning.
2537 * config/arm/arm.c (arm_qdf24xx_tune): New.
2539 2016-06-29 Wilco Dijkstra <wdijkstr@arm.com>
2541 * config/aarch64/aarch64.c (cortexa53_tunings):
2542 Increase loop alignment to 8. Set function alignment to 16.
2543 (cortexa35_tunings): Likewise.
2544 (cortexa57_tunings): Increase loop alignment to 8.
2545 (cortexa72_tunings): Likewise.
2546 (cortexa73_tunings): Likewise.
2548 2016-06-29 Matthew Wahab <matthew.wahab@arm.com>
2550 * doc/sourcebuild.texi (Effective-Target keywords): Add entries
2551 for arm_fp16_ok and arm_fp16_hw.
2552 (Add Options): Add entries for arm_fp16, arm_fp16_ieee and
2553 arm_fp16_alternative.
2555 2016-06-29 Ilya Enkovich <ilya.enkovich@intel.com>
2557 PR tree-optimization/71655
2558 * tree-vect-stmts.c (vectorizable_comparison): Swap definition
2559 types when swapping operands.
2561 2016-06-29 Martin Liska <mliska@suse.cz>
2564 * common.opt (flag_stack_protect): Mark the flag as optimization flag.
2565 * ipa-inline-transform.c (inline_call): Remove unnecessary call
2566 of build_optimization_node.
2568 2016-06-29 Yuri Rumyantsev <ysrumyan@gmail.com>
2570 PR tree-optimization/70729
2571 * tree-ssa-loop-im.c (ref_indep_loop_p_1): Consider memory reference as
2572 independent in loops having positive safelen value.
2573 * tree-vect-loop.c (vect_transform_loop): Clear-up safelen value since
2574 it may be not valid after vectorization.
2576 2016-06-29 Jakub Jelinek <jakub@redhat.com>
2578 PR tree-optimization/71625
2579 * tree-ssa-strlen.c (get_addr_stridx): Add PTR argument. Assume list
2580 is sorted by ascending list->offset. If PTR is non-NULL and there is
2581 previous strinfo, call get_stridx_plus_constant.
2582 (get_stridx): Pass exp as second argument to get_addr_stridx.
2583 (addr_stridxptr): Add missing list = list->next, so that there can be
2584 more than one entries in the list. Bump limit from 16 to 32. Ensure
2585 the list is sorted by ascending list->offset.
2586 (get_stridx_plus_constant): Adjust so that it can be also called with
2587 ADDR_EXPR instead of SSA_NAME as PTR.
2588 (handle_char_store): Pass NULL_TREE as second argument to
2591 2016-06-29 Richard Biener <rguenther@suse.de>
2593 PR rtl-optimization/68961
2594 * simplify-rtx.c (simplify_subreg): Handle VEC_CONCAT like CONCAT.
2596 2016-06-29 Richard Biener <rguenther@suse.de>
2599 * alias.c (component_uses_parent_alias_set_from): Handle
2600 type punning through union accesses by using the union alias set.
2601 * gimple.c (gimple_get_alias_set): Remove union type punning case.
2603 2016-07-29 Richard Biener <rguenther@suse.de>
2605 * match.pd ((T)(T2)x -> (T)x): Remove restriction on final
2606 precision not matching mode precision.
2608 2016-06-28 John David Anglin <danglin@gcc.gnu.org>
2610 * config/pa/pa.md (call_symref_64bit_post_reload): Don't call
2611 pa_output_arg_descriptor.
2612 (call_val_symref_64bit_post_reload): Likewise.
2613 (call_val_powf_64bit_post_reload): Likewise.
2614 (sibcall_internal_symref_64bit): Likewise.
2615 (sibcall_value_internal_symref_64bit): Likewise.
2617 2016-06-28 Jakub Jelinek <jakub@redhat.com>
2620 * config/i386/i386.c (ix86_expand_vector_move): For SUBREG of
2621 a constant, force its SUBREG_REG into memory or register instead
2624 2016-06-28 Pitchumani Sivanupandi <pitchumani.s@atmel.com>
2627 * config/avr/avr.opt (-mfract-convert-truncate): Update description.
2628 * doc/invoke.texi (AVR Options): Document it.
2630 2016-06-28 Walter Lee <walt@tilera.com>
2632 * config/tilegx/linux.h: Do not include arch/icache.h
2633 (CLEAR_INSN_CACHE): Provide inlined definition directly.
2634 * config/tilepro/linux.h: Do not include arch/icache.h
2635 (CLEAR_INSN_CACHE): Provide inlined definition directly.
2637 2016-06-28 Wilco Dijkstra <wdijkstr@arm.com>
2639 * tree-ssa-math-opts.c (find_bswap_or_nop_1): Adjust bitnumbering
2640 for big-endian BIT_FIELD_REF.
2642 2016-06-28 Pat Haugen <pthaugen@us.ibm.com>
2644 * config/rs6000/rs6000.md ('type' attribute): Add htmsimple/dfp types.
2645 ('size' attribute): Add '128'.
2647 (*mov<mode>_hardfloat32, *mov<mode>_hardfloat64, *movdi_internal32,
2648 *movdi_internal64, *movdf_update1): Set size attribute to '64'.
2649 (add<mode>3, sub<mode>3, mul<mode>3, div<mode>3, sqrt<mode>2,
2650 copysign<mode>3, neg<mode>2_hw, abs<mode>2_hw, *nabs<mode>2_hw,
2651 *fma<mode>4_hw, *fms<mode>4_hw, *nfma<mode>4_hw, *nfms<mode>4_hw,
2652 extend<SFDF:mode><IEEE128:mode>2_hw, trunc<mode>df2_hw,
2653 *xscvqp<su>wz_<mode>, *xscvqp<su>dz_<mode>, *xscv<su>dqp_<mode>,
2654 *trunc<mode>df2_odd): Set size attribute to '128'.
2655 (*cmp<mode>_hw): Change type to veccmp and set size attribute to '128'.
2656 * config/rs6000/power6.md (power6-fp): Include dfp type.
2657 * config/rs6000/power7.md (power7-fp): Likewise.
2658 * config/rs6000/power8.md (power8-fp): Likewise.
2659 * config/rs6000/power9.md: New file.
2660 * config/rs6000/t-rs6000 (MD_INCLUDES): Add power9.md.
2661 * config/rs6000/htm.md (*tabort, *tabort<wd>c, *tabort<wd>ci,
2662 *trechkpt, *treclaim, *tsr, *ttest): Change type attribute to
2664 * config/rs6000/dfp.md (extendsddd2, truncddsd2, extendddtd2,
2665 trunctddd2, adddd3, addtd3, subdd3, subtd3, muldd3, multd3, divdd3,
2666 divtd3, *cmpdd_internal1, *cmptd_internal1, floatdidd2, floatditd2,
2667 ftruncdd2, fixdddi2, ftrunctd2, fixtddi2, dfp_ddedpd_<mode>,
2668 dfp_denbcd_<mode>, dfp_dxex_<mode>, dfp_diex_<mode>, dfp_dscli_<mode>,
2669 dfp_dscri_<mode>): Change type attribute to dfp.
2670 * config/rs6000/crypto.md (crypto_vshasigma<CR_char>): Change type
2671 attribute to vecsimple.
2672 * config/rs6000/rs6000.c (power9_cost): Update costs, cache size
2673 and prefetch streams.
2674 (rs6000_option_override_internal): Remove temporary code setting
2675 tuning to power8. Don't set rs6000_sched_groups for power9.
2676 (last_scheduled_insn): Change to rtx_insn *.
2677 (divide_cnt, vec_load_pendulum): New variables.
2678 (rs6000_adjust_cost): Add Power9 to test for store->load separation.
2679 (rs6000_issue_rate): Set issue rate for Power9.
2680 (is_power9_pairable_vec_type): New.
2681 (power9_sched_reorder2): New.
2682 (rs6000_sched_reorder2): Call new function for Power9 specific
2684 (insn_must_be_first_in_group): Remove Power9.
2685 (insn_must_be_last_in_group): Likewise.
2686 (force_new_group): Likewise.
2687 (rs6000_sched_init): Fix initialization of last_scheduled_insn.
2688 Initialize divide_cnt/vec_load_pendulum.
2689 (_rs6000_sched_context, rs6000_init_sched_context,
2690 rs6000_set_sched_context): Handle context save/restore of new
2693 2016-06-28 Richard Biener <rguenther@suse.de>
2695 * tree-ssa-alias.c (nonoverlapping_component_refs_of_decl_p):
2696 Properly handle DECL_BIT_FIELD_REPRESENTATIVE occuring as
2697 COMPONENT_REF operand.
2698 (nonoverlapping_component_refs_p): Likewise.
2699 * stor-layout.c (start_bitfield_representative): Mark
2700 DECL_BIT_FIELD_REPRESENTATIVE as DECL_NONADDRESSABLE_P.
2702 2016-06-28 Jakub Jelinek <jakub@redhat.com>
2704 * Makefile.in: Don't cat ../stage_current if it does not exist.
2706 * doc/extend.texi (__builtin_add_overflow_p): Clarify behavior when
2707 last argument is a bit-field.
2709 PR rtl-optimization/71673
2710 * internal-fn.c (expand_arith_overflow_result_store): Use
2711 OPTAB_LIB_WIDEN instead of OPTAB_DIRECT as last argument to
2712 expand_simple_binop.
2715 * builtins.c (expand_ifn_atomic_compare_exchange_into_call,
2716 expand_ifn_atomic_compare_exchange): New functions.
2717 * internal-fn.c (expand_ATOMIC_COMPARE_EXCHANGE): New function.
2718 * tree.h (build_call_expr_internal_loc): Rename to ...
2719 (build_call_expr_internal_loc_array): ... this. Fix up type of
2721 * internal-fn.def (ATOMIC_COMPARE_EXCHANGE): New internal fn.
2722 * predict.c (expr_expected_value_1): Handle IMAGPART_EXPR of
2723 ATOMIC_COMPARE_EXCHANGE result.
2724 * builtins.h (expand_ifn_atomic_compare_exchange): New prototype.
2725 * gimple-fold.h (optimize_atomic_compare_exchange_p,
2726 fold_builtin_atomic_compare_exchange): New prototypes.
2727 * gimple-fold.c (optimize_atomic_compare_exchange_p,
2728 fold_builtin_atomic_compare_exchange): New functions..
2729 * tree-ssa.c (execute_update_addresses_taken): If
2730 optimize_atomic_compare_exchange_p, ignore &var in 2nd argument
2731 of call when finding addressable vars, and if such var becomes
2732 non-addressable, call fold_builtin_atomic_compare_exchange.
2734 2016-06-27 Segher Boessenkool <segher@kernel.crashing.org>
2737 * config/rs6000/rs6000.md (ashdi3_extswsli_dot): Use
2738 gen_ashdi3_extswsli_dot2 instead of gen_ashdi3_extswsli_dot.
2740 2016-06-27 Pat Haugen <pthaugen@us.ibm.com>
2742 * config/rs6000/rs6000.md ('type' attribute): Add
2743 veclogical,veccmpfx,vecexts,vecmove insn types.
2744 (*abs<mode>2_fpr, *nabs<mode>2_fpr, *neg<mode>2_fpr, *extendsfdf2_fpr,
2745 copysign<mode>3_fcpsgn, trunc<mode>df2_internal1, neg<mode>2_internal,
2746 p8_fmrgow_<mode>, pack<mode>): Change type to fpsimple.
2747 (*xxsel<mode>, copysign<mode>3_hard, neg<mode>2_hw, abs<mode>2_hw,
2748 *nabs<mode>2_hw): Change type to vecmove.
2749 (*and<mode>3_internal, *bool<mode>3_internal, *boolc<mode>3_internal,
2750 *boolcc<mode>3_internal, *eqv<mode>3_internal,
2751 *one_cmpl<mode>3_internal, *ieee_128bit_vsx_neg<mode>2_internal,
2752 *ieee_128bit_vsx_abs<mode>2_internal,
2753 *ieee_128bit_vsx_nabs<mode>2_internal, extendkftf2, trunctfkf2,
2754 *ieee128_mfvsrd_64bit, *ieee128_mfvsrd_32bit, *ieee128_mtvsrd_64bit,
2755 *ieee128_mtvsrd_32bit): Change type to veclogical.
2756 (mov<mode>_hardfloat, *mov<mode>_hardfloat32, *mov<mode>_hardfloat64,
2757 *movdi_internal32, *movdi_internal64): Update insn types.
2758 * config/rs6000/vsx.md (*vsx_le_undo_permute_<mode>,
2759 vsx_extract_<mode>): Change type to veclogical.
2760 (*vsx_xxsel<mode>, *vsx_xxsel<mode>_uns): Change type to vecmove.
2761 (vsx_sign_extend_qi_<mode>, *vsx_sign_extend_hi_<mode>,
2762 *vsx_sign_extend_si_v2di): Change type to vecexts.
2763 * config/rs6000/altivec.md (*altivec_mov<mode>, *altivec_movti): Change
2765 (*altivec_eq<mode>, *altivec_gt<mode>, *altivec_gtu<mode>,
2766 *altivec_vcmpequ<VI_char>_p, *altivec_vcmpgts<VI_char>_p,
2767 *altivec_vcmpgtu<VI_char>_p): Change type to veccmpfx.
2768 (*altivec_vsel<mode>, *altivec_vsel<mode>_uns): Change type to vecmove.
2769 * config/rs6000/dfp.md (*negdd2_fpr, *absdd2_fpr, *nabsdd2_fpr,
2770 negtd2, *abstd2_fpr, *nabstd2_fpr): Change type to fpsimple.
2771 * config/rs6000/40x.md (ppc405-float): Add fpsimple.
2772 * config/rs6000/440.md (ppc440-fp): Add fpsimple.
2773 * config/rs6000/476.md (ppc476-fp): Add fpsimple.
2774 * config/rs6000/601.md (ppc601-fp): Add fpsimple.
2775 * config/rs6000/603.md (ppc603-fp): Add fpsimple.
2776 * config/rs6000/6xx.md (ppc604-fp): Add fpsimple.
2777 * config/rs6000/7xx.md (ppc750-fp): Add fpsimple.
2778 (ppc7400-vecsimple): Add veclogical, vecmove, veccmpfx.
2779 * config/rs6000/7450.md (ppc7450-fp): Add fpsimple.
2780 (ppc7450-vecsimple): Add veclogical, vecmove.
2781 (ppc7450-veccmp): Add veccmpfx.
2782 * config/rs6000/8540.md (ppc8540_simple_vector): Add veclogical,
2784 (ppc8540_vector_compare): Add veccmpfx.
2785 * config/rs6000/a2.md (ppca2-fp): Add fpsimple.
2786 * config/rs6000/cell.md (cell-fp): Add fpsimple.
2787 (cell-vecsimple): Add veclogical, vecmove.
2788 (cell-veccmp): Add veccmpfx.
2789 * config/rs6000/e300c2c3.md (ppce300c3_fp): Add fpsimple.
2790 * config/rs6000/e6500.md (e6500_vecsimple): Add veclogical, vecmove,
2792 * config/rs6000/mpc.md (mpccore-fp): Add fpsimple.
2793 * config/rs6000/power4.md (power4-fp): Add fpsimple.
2794 (power4-vecsimple): Add veclogical, vecmove.
2795 (power4-veccmp): Add veccmpfx.
2796 * config/rs6000/power5.md (power5-fp): Add fpsimple.
2797 * config/rs6000/power6.md (power6-fp): Add fpsimple.
2798 (power6-vecsimple): Add veclogical, vecmove.
2799 (power6-veccmp): Add veccmpfx.
2800 * config/rs6000/power7.md (power7-fp): Add fpsimple.
2801 (power7-vecsimple): Add veclogical, vecmove, veccmpfx.
2802 * config/rs6000/power8.md (power8-fp): Add fpsimple.
2803 (power8-vecsimple): Add veclogical, vecmove, veccmpfx.
2804 * config/rs6000/rs64.md (rs64a-fp): Add fpsimple.
2805 * config/rs6000/titan.md (titan_fp): Add fpsimple.
2806 * config/rs6000/xfpu.md (fp-default, fp-addsub-s, fp-addsub-d): Add
2808 * config/rs6000/rs6000.c (rs6000_adjust_cost): Add TYPE_FPSIMPLE.
2810 2016-06-27 Peter Bergner <bergner@vnet.ibm.com>
2813 * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
2814 OPTION_MASK_P9_DFORM_VECTOR.
2815 * config/rs6000/rs6000.c (rs6000_option_override_internal): Do not
2816 disable -mpower9-dform-vector when using reload.
2817 (quad_address_p): Remove 'gpr_p' argument and all associated code.
2818 New 'strict' argument. Update all callers. Add strict addressing
2820 (rs6000_legitimate_offset_address_p): Remove call to
2821 virtual_stack_registers_memory_p.
2822 (rs6000_legitimize_reload_address): Add quad address support.
2823 (rs6000_legitimate_address_p): Move call to quad_address_p above
2824 call to virtual_stack_registers_memory_p. Adjust quad_address_p args
2825 to account for new strict usage.
2826 (rs6000_output_move_128bit): Adjust quad_address_p args to account
2827 for new strict usage.
2828 * config/rs6000/predicates.md (quad_memory_operand): Likewise.
2830 2016-06-26 Uros Bizjak <ubizjak@gmail.com>
2837 * config/i386/i386.c (ix86_spill_class): Disable condition to
2838 always return NO_REGS.
2840 2016-06-26 Jan Hubicka <hubicka@ucw.cz>
2842 * predict.c: Include gimple-pretty-print.h
2843 (predicted_by_loop_heuristics_p): Check also
2844 PRED_LOOP_EXIT_WITH_RECURSION
2845 (predict_loops): Find self recursive calls and use special purpose
2846 predictors for them; dump log about decisions.
2847 (pass_profile::execute): Dump info about #of iterations.
2848 * predict.def (PRED_LOOP_EXIT_WITH_RECURSION,
2849 (PRED_LOOP_GUARD_WITH_RECURSION): New predictors.
2851 2016-06-26 John David Anglin <danglin@gcc.gnu.org>
2853 * config/pa/pa.c (pa_output_indirect_call): Rework to combine
2854 output_asm_insn calls and shorten long lines. Output .CALL
2855 argument descriptor using pa_output_arg_descriptor. Add various
2856 inline $$dyncall and other optimizations.
2857 (pa_attr_length_indirect_call): Adjust ordering and lengths.
2859 2016-06-25 Jakub Jelinek <jakub@redhat.com>
2861 PR tree-optimization/71643
2862 * tree-ssa-tail-merge.c (find_clusters_1): Ignore basic blocks with
2865 * tree-ssa-tail-merge.c (deps_ok_for_redirect_from_bb_to_bb): Don't
2866 leak a bitmap if dep_bb is NULL.
2868 PR tree-optimization/71631
2869 * tree-ssa-reassoc.c (reassociate_bb): Pass true as last argument
2870 to rewrite_expr_tree even if negate_result, move new_lhs var
2871 declaration and initialization earlier, for powi_result set afterwards
2872 new_lhs to lhs. For negate_result, use new_lhs instead of tmp
2873 if new_lhs != lhs, and don't shadow gsi var.
2875 2016-06-24 Jan Hubicka <hubicka@ucw.cz>
2877 * predict.c (predict_paths_leading_to, predict_paths_leading_to_edge):
2878 Add in_loop parameter.
2879 (predict_loops): Add loop guard heuristics.
2880 * predict.def (PRED_LOOP_GUARD): New heuristics.
2882 2016-06-24 Jan Hubicka <hubicka@ucw.cz>
2884 * predict.c: Include ipa-utils.h
2885 (tree_bb_level_prediction): Predict recursive calls.
2886 (tree_estimate_probability_bb): Skip inexpensive calls for call
2888 * predict.def (PRED_RECURSIVE_CALL): New.
2890 2016-06-24 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2892 * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): New #define.
2893 (BU_FLOAT128_1): Likewise.
2895 (COPYSIGNQ): Likewise.
2896 (RS6000_BUILTIN_NANQ): Likewise.
2897 (RS6000_BUILTIN_NANSQ): Likewise.
2898 (RS6000_BUILTIN_INFQ): Likewise.
2899 (RS6000_BUILTIN_HUGE_VALQ): Likewise.
2900 * config/rs6000/rs6000.c (rs6000_fold_builtin): New prototype.
2901 (TARGET_FOLD_BUILTIN): New #define.
2902 (rs6000_builtin_mask_calculate): Add TARGET_FLOAT128 entry.
2903 (rs6000_invalid_builtin): Add handling for RS6000_BTM_FLOAT128.
2904 (rs6000_fold_builtin): New target hook implementation, handling
2905 folding of 128-bit NaNs and infinities.
2906 (rs6000_init_builtins): Initialize const_str_type_node; ensure all
2907 entries are filled in to avoid problems during bootstrap
2908 self-test; define builtins for 128-bit NaNs and infinities.
2909 (rs6000_opt_mask): Add entry for float128.
2910 * config/rs6000/rs6000.h (RS6000_BTM_FLOAT128): New #define.
2911 (RS6000_BTM_COMMON): Include RS6000_BTM_FLOAT128.
2912 (rs6000_builtin_type_index): Add RS6000_BTI_const_str.
2913 (const_str_type_node): New #define.
2914 * config/rs6000/rs6000.md (copysign<mode>3 for IEEE128): Convert
2915 to a define_expand that dispatches to either copysign<mode>3_soft
2916 or copysign<mode>3_hard.
2917 (copysign<mode>3_hard): Rename from copysign<mode>3.
2918 (copysign<mode>3_soft): New define_insn.
2919 * doc/extend.texi: Document new builtins.
2921 2016-06-24 Jakub Jelinek <jakub@redhat.com>
2923 * cfgloop.c (flow_loop_dump): Cast nit to uint64_t and print it using
2924 PRIu64 instead of lu.
2926 2016-06-24 Eric Botcazou <ebotcazou@adacore.com>
2929 * tree-inline.c (remap_decl): When fixing up DECL_ORIGINAL_TYPE, just
2932 2016-06-24 Jakub Jelinek <jakub@redhat.com>
2934 PR tree-optimization/71647
2935 * omp-low.c (lower_rec_input_clauses): Convert
2936 omp_clause_aligned_alignment (c) to size_type_node for the
2937 last argument of __builtin_assume_aligned.
2939 2016-06-24 H.J. Lu <hongjiu.lu@intel.com>
2941 * configure.ac (calling ___tls_get_addr via GOT): New
2942 assembler/linker check.
2943 (HAVE_AS_IX86_TLS_GET_ADDR_GOT): New. Defined to 1 if 32-bit
2944 assembler and linker supports calling ___tls_get_addr via GOT.
2945 Otherise, defined to 0.
2946 * config.in: Regenerated.
2947 * configure: Likewise.
2948 * config/i386/constraints.md (Yb): New constraint.
2949 * config/i386/i386.h (reg_class): Add TLS_GOTBASE_REGS.
2950 (REG_CLASS_NAMES): Likewise.
2951 (REG_CLASS_CONTENTS): Likewise.
2952 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Replace
2953 the b constraint with the Yb constraint. Call ___tls_get_addr
2954 via GOT for GNU TLS with -fno-plt if HAVE_AS_IX86_TLS_GET_ADDR_GOT
2956 (*tls_local_dynamic_base_32_gnu): Likewise.
2957 (*tls_global_dynamic_64_<mode>): Call _tls_get_addr via GOT for
2958 GNU TLS with -fno-plt if HAVE_AS_IX86_TLS_GET_ADDR_GOT is 1.
2959 (*tls_local_dynamic_base_64_<mode>): Likewise.
2961 2016-06-24 Martin Liska <mliska@suse.cz>
2963 * cfgloop.c (flow_loop_dump): Dump average number of loop iterations.
2964 * cfgloop.h: Change 'struct loop' to 'const struct loop' for a
2966 * cfgloopanal.c (expected_loop_iterations_unbounded): Set a new
2967 argument to true if the expected number of iterations is
2970 2016-06-24 Uros Bizjak <ubizjak@gmail.com>
2972 * configure.ac (HAVE_AS_GOTOF_IN_DATA): Use $as_ix86_gas_32_opt to
2973 assemble for 32bit target.
2974 (HAVE_AS_IX86_TLSGDPLT): Use $as_ix86_gas_32_opt to assemble
2975 and $ld_ix86_gld_32_opt to link for 32bit target.
2976 (HAVE_AS_IX86_TLSLDMPLT): Ditto.
2977 * configure: Regenerate.
2979 2016-06-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2981 * config/arm/arm.c (int_log2): Delete definition and prototype.
2982 (shift_op): Use exact_log2 instead of int_log2.
2983 (vfp3_const_double_for_fract_bits): Likewise.
2985 2016-06-24 Jakub Jelinek <jakub@redhat.com>
2987 * internal-fn.c (expand_arith_set_overflow): New function.
2988 (expand_addsub_overflow, expand_neg_overflow, expand_mul_overflow):
2990 (expand_arith_overflow_result_store): Likewise. Handle precision
2991 smaller than mode precision.
2992 * tree-vrp.c (extract_range_basic): For imag part, handle
2993 properly signed 1-bit precision result.
2994 * doc/extend.texi (__builtin_add_overflow): Document that last
2995 argument can't be pointer to enumerated or boolean type.
2996 (__builtin_add_overflow_p): Document that last argument can't
2997 have enumerated or boolean type.
2999 2016-06-23 Michael Meissner <meissner@linux.vnet.ibm.com>
3000 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3002 * config/rs6000/predicates.md (splat_input_operand): Rework.
3003 Don't allow constants, since the insns that use this predicate
3004 don't support constants. Constants are handled by other insns
3005 that are created via combine. During and after register
3006 allocation, only allow indexed or indirect addresses, and not
3007 general addresses. Only allow modes supported by the hardware.
3008 * config/rs6000/rs6000.c (xxsplitb_constant_p): Update usage
3009 comment. Move check for using VSPLTIS<x> to a common location,
3010 instead of doing it in two different places.
3012 2016-06-23 Jocelyn Mayer <l_indien@magic.fr>
3014 * config/i386/driver-i386.c (host_detect_local_cpu): Set
3015 PROCESSOR_PENTIUMPRO for signature_CENTAUR_ebx family >= 9.
3016 <case PROCESSOR_PENTIMUMPRO>: Pass c7 or nehemiah for
3017 signature_CENTAUR_ebx.
3019 2016-06-23 H.J. Lu <hongjiu.lu@intel.com>
3023 * configure.ac (as_ix86_tls_ldm_opt): Renamed to ...
3024 (as_ix86_gas_32_opt): This.
3025 (ld_ix86_tls_ldm_opt): Renamed to ...
3026 (ld_ix86_gld_32_opt): This.
3027 (R_386_TLS_LDM reloc): Updated.
3028 (R_386_GOT32X reloc): New assembler/linker check.
3029 (HAVE_AS_IX86_GOT32X): New. Defined to 1 if 32-bit assembler and
3030 linker support "jmp *_start@GOT" and "cmpl $0, bar@GOT". Otherise,
3032 * config.in: Regenerated.
3033 * configure: Likewise.
3034 * config/i386/i386.c (ix86_force_load_from_GOT_p): Return
3035 true if HAVE_AS_IX86_GOT32X is 1 in 32-bit mode.
3036 (ix86_legitimate_address_p): Allow UNSPEC_GOT for -fno-plt
3037 if ix86_force_load_from_GOT_p returns true.
3038 (ix86_print_operand_address_as): Also support UNSPEC_GOT if
3039 ix86_force_load_from_GOT_p returns true.
3040 (ix86_expand_move): Generate UNSPEC_GOT in 32-bit mode to load
3041 the external function address via the GOT slot.
3042 (ix86_nopic_noplt_attribute_p): Check both TARGET_64BIT and
3043 HAVE_AS_IX86_GOT32X before returning false.
3044 (ix86_output_call_insn): Generate "%!jmp/call\t*%p0@GOT" in
3045 32-bit mode if ix86_nopic_noplt_attribute_p returns true.
3047 2016-06-23 Eric Botcazou <ebotcazou@adacore.com>
3049 * tree-inline.c (remap_decl): Preserve DECL_ORIGINAL_TYPE invariant.
3051 2016-06-23 Andi Kleen <ak@linux.intel.com>
3053 * Makefile.in: Regenerate.
3054 * doc/install.texi: Document autoprofiledbootstrap.
3056 2016-06-23 Andi Kleen <ak@linux.intel.com>
3058 * config/i386/gcc-auto-profile: New file.
3060 2016-06-23 Martin Liska <mliska@suse.cz>
3063 * predict.c (predict_loops): Revert the hunk that was removed
3066 2016-06-23 Jakub Sejdak <jakub.sejdak@phoesys.com>
3068 * config.gcc: Add support for arm*-*-phoenix* targets.
3069 * config/arm/t-phoenix: New.
3070 * config/phoenix.h: New.
3072 2016-06-23 Uros Bizjak <ubizjak@gmail.com>
3073 H.J. Lu <hongjiu.lu@intel.com>
3076 * config/i386/i386-protos.h (ix86_force_load_from_GOT_p): New.
3077 * config/i386/i386.c (ix86_force_load_from_GOT_p): New function.
3078 (ix86_legitimate_constant_p): Do not allow UNSPEC_GOTPCREL if
3079 ix86_force_load_from_GOT_p returns true.
3080 (ix86_legitimate_address_p): Allow UNSPEC_GOTPCREL if
3081 ix86_force_load_from_GOT_p returns true.
3082 (ix86_print_operand_address_as): Support UNSPEC_GOTPCREL if
3083 ix86_force_load_from_GOT_p returns true.
3084 (ix86_expand_move): Load the external function address via the
3085 GOT slot if ix86_force_load_from_GOT_p returns true.
3086 * config/i386/predicates.md (x86_64_immediate_operand): Return
3087 false for SYMBOL_REFs where ix86_force_load_from_GOT_p returns true.
3088 (x86_64_zext_immediate_operand): Ditto.
3090 2016-06-22 Uros Bizjak <ubizjak@gmail.com>
3092 * config/i386/i386.c (ix86_expand_move): Simplify SYMBOL_REF handling.
3094 2016-06-22 David Malcolm <dmalcolm@redhat.com>
3097 * diagnostic-core.h (pedwarn_at_rich_loc): New prototype.
3098 * diagnostic.c (pedwarn_at_rich_loc): New function.
3099 * spellcheck.h (best_match::best_match): Add a
3100 "best_distance_so_far" optional parameter.
3101 (best_match::set_best_so_far): New method.
3102 (best_match::get_best_distance): New accessor.
3103 (best_match::get_best_candidate_length): New accessor.
3105 2016-06-22 Nick Clifton <nickc@redhat.com>
3107 * dwarf2out.c (scompare_loc_descriptor): Use SCALAR_INT_MODE_P() in
3108 place of GET_MODE_CLASS() == MODE_INT, so that partial integer
3109 modes are accepted as well.
3110 (ucompare_loc_descriptor): Likewise.
3111 (minmax_loc_descriptor): Likewise.
3112 (clz_loc_descriptor): Likewise.
3113 (popcount_loc_descriptor): Likewise.
3114 (bswap_loc_descriptor): Likewise.
3115 (rotate_loc_descriptor): Likewise.
3116 (mem_loc_descriptor): Likewise.
3117 (loc_descriptor): Likewise.
3119 2016-06-22 David Malcolm <dmalcolm@redhat.com>
3121 * common.opt (fdiagnostics-parseable-fixits): New option.
3122 * diagnostic.c: Include "selftest.h".
3123 (print_escaped_string): New function.
3124 (print_parseable_fixits): New function.
3125 (diagnostic_report_diagnostic): Call print_parseable_fixits.
3126 (selftest::assert_print_escaped_string): New function.
3127 (ASSERT_PRINT_ESCAPED_STRING_STREQ): New macro.
3128 (selftest::test_print_escaped_string): New function.
3129 (selftest::test_print_parseable_fixits_none): New function.
3130 (selftest::test_print_parseable_fixits_insert): New function.
3131 (selftest::test_print_parseable_fixits_remove): New function.
3132 (selftest::test_print_parseable_fixits_replace): New function.
3133 (selftest::diagnostic_c_tests): New function.
3134 * diagnostic.h (struct diagnostic_context): Add field
3135 "parseable_fixits_p".
3136 * doc/invoke.texi (Diagnostic Message Formatting Options): Add
3137 -fdiagnostics-parseable-fixits.
3138 (-fdiagnostics-parseable-fixits): New option.
3139 * opts.c (common_handle_option): Handle
3140 -fdiagnostics-parseable-fixits.
3141 * selftest-run-tests.c (selftest::run_tests): Call
3142 selftest::diagnostic_c_tests.
3143 * selftest.h (selftest::diagnostic_c_tests): New prototype.
3145 2016-06-22 Ilya Enkovich <ilya.enkovich@intel.com>
3147 PR tree-optimization/71488
3148 * tree-vect-patterns.c (vect_recog_mask_conversion_pattern): Support
3149 comparison of boolean vectors.
3150 * tree-vect-stmts.c (vectorizable_comparison): Vectorize comparison
3151 of boolean vectors using bitwise operations.
3153 2016-06-22 Andreas Schwab <schwab@suse.de>
3155 * config/aarch64/aarch64-protos.h (aarch64_elf_asm_named_section):
3158 2016-06-22 Eric Botcazou <ebotcazou@adacore.com>
3160 * function.c (assign_parm_setup_reg): Prevent sharing in another case.
3162 2016-06-22 Bernd Edlinger <bernd.edlinger@hotmail.de>
3164 * config/i386/i386.c (print_reg): Emit an error message on attempt to
3167 2016-06-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3169 * config/arm/arm.c (arm_cortex_a73_tune): New struct.
3170 * config/arm/arm-cores.def (cortex-a73): New entry.
3171 (cortex-a73.cortex-a35): Likewise.
3172 (cortex-a73.cortex-a53): Likewise.
3173 * config/arm/arm-tables.opt: Regenerate.
3174 * config/arm/arm-tune.md: Likewise.
3175 * config/arm/bpabi.h (BE8_LINK_SPEC): Handle mcpu=cortex-a73,
3176 mcpu=cortex-a73.cortex-a35 and mcpu=cortex-a73.cortex-a53.
3177 * config/arm/t-aprofile: Handle mcpu=cortex-a73,
3178 mcpu=cortex-a73.cortex-a35 and mcpu=cortex-a73.cortex-a53.
3179 * doc/invoke.texi (ARM Options): Document cortex-a73,
3180 cortex-a73.cortex-a35 and cortex-a73.cortex-a53.
3182 2016-06-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3184 * config/aarch64/aarch64.c (cortexa73_tunings): New struct.
3185 * config/aarch64/aarch64-cores.def (cortex-a73): New entry.
3186 (cortex-a73.cortex-a35): Likewise.
3187 (cortex-a73.cortex-a53): Likewise.
3188 * config/aarch64/aarch64-tune.md: Regenerate.
3189 * doc/invoke.texi (AArch64 Options): Document cortex-a73,
3190 cortex-a73.cortex-a35 and cortex-a73.cortex-a53 arguments to
3193 2016-06-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3195 * configure.ac (gcc_cv_as_compress_debug): Remove
3196 --compress-debug-sections as extra as switch.
3197 Handle gas --compress-debug-sections=type.
3198 (gcc_cv_ld_compess_debug): Remove bogus ld_date check.
3199 Handle gld --compress-debug-sections=type.
3200 * configure: Regenerate.
3202 2016-06-21 Andrew Burgess <andrew.burgess@embecosm.com>
3204 * bb-reorder.c (pass_partition_blocks::gate): Update comment.
3206 2016-06-21 John David Anglin <danglin@gcc.gnu.org>
3208 * gcov-tool.c (profile_rewrite): Use int64_t instead of long long.
3209 (do_rewrite): likewise.
3211 2016-06-21 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
3213 * common/config/mep/mep-common.c: Remove.
3214 * config.gcc: Remove mep-* support.
3215 * config/mep/constraints.md: Remove.
3216 * config/mep/default.h: Remove.
3217 * config/mep/intrinsics.h: Remove.
3218 * config/mep/intrinsics.md: Remove.
3219 * config/mep/ivc2-template.h: Remove.
3220 * config/mep/mep-c5.cpu: Remove.
3221 * config/mep/mep-core.cpu: Remove.
3222 * config/mep/mep-default.cpu: Remove.
3223 * config/mep/mep-ext-cop.cpu: Remove.
3224 * config/mep/mep-intrin.h: Remove.
3225 * config/mep/mep-ivc2.cpu: Remove.
3226 * config/mep/mep-pragma.c: Remove.
3227 * config/mep/mep-protos.h: Remove.
3228 * config/mep/mep.c: Remove.
3229 * config/mep/mep.cpu: Remove.
3230 * config/mep/mep.h: Remove.
3231 * config/mep/mep.md: Remove.
3232 * config/mep/mep.opt: Remove.
3233 * config/mep/predicates.md: Remove.
3234 * config/mep/t-mep: Remove.
3235 * doc/install.texi: Remove mep-* documentation.
3236 * doc/md.texi: Likewise.
3238 2016-06-21 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
3240 * config.gcc: Remove support for avr-rtems.
3241 * config/avr/gen-avr-mmcu-specs.c: Likewise.
3242 * config/avr/rtems.h: Remove.
3243 * config/avr/t-rtems: Remove.
3245 2016-06-21 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
3247 * config.gcc: Remove m32r-rtems support.
3248 * config/m32r/rtems.h: Remove.
3250 2016-06-21 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
3252 * config.gcc: Remove h8300-rtems support.
3253 * config/h8300/rtems.h: Remove.
3254 * config/h8300/t-rtems: Remove.
3256 2016-06-21 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
3258 * config.gcc: Remove support for knetbsd.
3259 * configure.ac: Likewise.
3260 * config/i386/knetbsd-gnu.h: Remove. * config/i386/knetbsd-gnu64.h: Remove.
3261 * config/knetbsd-gnu.h: Remove.
3262 * configure: Regenerate.
3264 2016-06-21 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
3266 * config.gcc: Remove support for openbsd 2 and 3.
3267 * config/openbsd-oldgas.h: Remove.
3269 2016-06-21 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
3271 * config.gcc: Remove interix support.
3272 * config/i386/i386-interix.h: Remove.
3273 * config/i386/interix.opt: Remove.
3274 * config/i386/t-interix: Remove.
3275 * configure: Regenerate.
3276 * configure.ac: Remove interix support.
3277 * doc/install.texi: Remove interix documentation.
3279 2016-06-21 Kelvin Nilsen <kelvin@gcc.gnu.org>
3281 * config/rs6000/rs6000.h: Add conditional preprocessing directives
3282 to disable Power9-specific compiler features if HAVE_AS_POWER9 is
3285 2016-06-21 Eric Botcazou <ebotcazou@adacore.com>
3287 * tree.c (verify_type_variant): Skip TYPE_SIZE and TYPE_SIZE_UNIT if
3288 they are both PLACEHOLDER_EXPRs.
3290 2016-06-21 Michael Meissner <meissner@linux.vnet.ibm.com>
3292 * stor-layout.c (layout_type): Move setting complex MODE to
3293 layout_type, instead of setting it ahead of time by the caller.
3294 * tree.c (build_complex_type): Likewise.
3296 2016-06-21 Martin Liska <mliska@suse.cz>
3298 * predict.c (force_edge_cold): Replace imposisble with
3301 2016-06-21 Ilya Verbin <ilya.verbin@intel.com>
3303 * config/i386/i386.c (ix86_emit_swsqrtsf): Emit vrsqrt28ps.
3304 * config/i386/sse.md (define_expand "rsqrtv16sf2"): New.
3306 2016-06-21 Ilya Verbin <ilya.verbin@intel.com>
3308 * config/i386/i386.c (ix86_emit_swdivsf): Emit vrcp28ps.
3310 2016-06-21 H.J. Lu <hongjiu.lu@intel.com>
3311 Ilya Enkovich <ilya.enkovich@intel.com>
3314 * config/i386/i386.c (timode_scalar_chain::fix_debug_reg_uses):
3315 New member function to convert V1TImode register to SUBREG
3316 TImode in debug insn.
3317 (timode_scalar_chain::convert_insn): Call fix_debug_reg_uses
3318 after changing register mode to V1TImode.
3320 2016-06-21 Virendra Pathak <virendra.pathak@broadcom.com>
3322 * config/aarch64/aarch64-cores.def (vulcan): New core.
3323 * config/aarch64/aarch64-tune.md: Regenerate.
3324 * doc/invoke.texi: Document vulcan as an available option.
3326 2016-06-21 Eric Botcazou <ebotcazou@adacore.com>
3328 * cse.c (canon_asm_operands): New function extracted from...
3329 (canonicalize_insn): ...here. Call it to canonicalize an ASM_OPERANDS
3330 either standalone or member of a PARALLEL.
3332 2016-06-21 Georg-Johann Lay <avr@gjlay.de>
3335 * config/avr/gen-avr-mmcu-specs.c (print_mcu):
3336 [*link_data_start]: Wrap -Tdata into %{!Tdata:...}.
3337 [*link_text_start]: Wrap -Ttext into %{!Ttext:...}.
3339 2016-06-21 Georg-Johann Lay <avr@gjlay.de>
3342 * config/avr/avr.md (movqi): Only handle loading subreg:qi of
3343 constant addresses if can_create_pseudo_p.
3345 2016-06-21 Jakub Jelinek <jakub@redhat.com>
3347 PR tree-optimization/71588
3348 * tree-ssa-strlen.c (valid_builtin_call): New function.
3349 (adjust_last_stmt, handle_builtin_memset, strlen_optimize_stmt): Use
3352 2016-06-20 Jakub Jelinek <jakub@redhat.com>
3355 * tree-ssa-uninit.c (warn_uninit): If EXPR and VAR are NULL,
3356 see if T isn't anonymous SSA_NAME with COMPLEX_EXPR created
3357 for conversion of scalar user var to complex type and use the
3358 underlying SSA_NAME_VAR in that case. If EXPR is still NULL,
3361 PR rtl-optimization/71591
3362 * toplev.c (toplev::run_self_tests): If no_backend, complain and
3363 don't run any tests.
3365 2016-06-20 Hans-Peter Nilsson <hp@axis.com>
3368 * config/cris/cris.c (cris_asm_output_mi_thunk): Add missing "ba"
3369 delay-slot "nop" for PIC with CRIS v32. Also add missing leading
3370 space for PIC with non-v32 and the common non-PIC "jump".
3372 2016-06-20 Jakub Jelinek <jakub@redhat.com>
3375 * config/i386/i386.c (ix86_fp_cmp_code_to_pcmp_immediate): Fix up
3376 returned values and add UN*/LTGT/*ORDERED cases with values matching
3377 D operand modifier on vcmp for AVX.
3379 2016-06-20 Wilco Dijkstra <wdijkstr@arm.com>
3381 * config/aarch64/aarch64.opt
3382 (mpc-relative-literal-loads): Rename internal option name.
3383 * config/aarch64/aarch64.c
3384 (aarch64_nopcrelative_literal_loads): Rename to
3385 aarch64_pcrelative_literal_loads.
3386 (aarch64_expand_mov_immediate): Likewise.
3387 (aarch64_secondary_reload): Likewise.
3388 (aarch64_can_use_per_function_literal_pools_p): Likewise.
3389 (aarch64_override_options_after_change_1): Rename and simplify logic.
3390 (aarch64_classify_symbol): Merge large model checks into switch,
3391 remove pc-relative load check.
3393 2016-06-20 James Greenhalgh <james.greenhalgh@arm.com>
3395 * config/arm/aarch-cost-tables.h (cortexa53_extra_costs): Make FP
3396 costs relative to the cost of a register move.
3398 2016-06-20 James Greenhalgh <james.greenhalgh@arm.com>
3400 * config/aarch64/arm_neon.h (vcvt_n_f64_s64): New.
3401 (vcvt_n_f64_u64): Likewise.
3402 (vcvt_n_s64_f64): Likewise.
3403 (vcvt_n_u64_f64): Likewise.
3404 (vcvt_f64_s64): Likewise.
3405 (vrecpe_f64): Likewise.
3406 (vcvt_f64_u64): Likewise.
3407 (vrecps_f64): Likewise.
3409 2016-06-20 James Greenhalgh <james.greenhalgh@arm.com>
3411 * config/aarch64/aarch64.md
3412 (<FCVT_F2FIXED:fcvt_fixed_insn><GPF:mode>3): Add attributes to
3414 (<FCVT_FIXED2F:fcvt_fixed_insn><GPI:mode>3): Likewise. Correct
3416 * config/aarch64/aarch64-builtins.c
3417 (aarch64_types_binop_uss_qualifiers): Delete.
3418 (TYPES_BINOP_USS): Likewise.
3419 (aarch64_types_binop_sus_qualifiers): Likewise.
3420 (TYPES_BINOP_SUS): Likewise.
3421 (aarch64_types_fcvt_from_unsigned_qualifiers): New.
3422 (TYPES_FCVTIMM_SUS): Likewise.
3423 * config/aarch64/aarch64-simd-builtins.def (scvtf): Use SHIFTIMM
3425 (ucvtf): Use FCVTIMM_SUS rather than BINOP_SUS.
3426 (fcvtzs): Use SHIFTIMM rather than BINOP.
3427 (fcvtzu): Use SHIFTIMM_USS rather than BINOP_USS.
3429 2016-06-20 James Greenhalgh <james.greenhalgh@arm.com>
3431 * config/arm/aarch-cost-tables.h (cortexa57_extra_costs): Make FP
3432 costs relative to the cost of a register move.
3434 2016-06-20 Wilco Dijkstra <wdijkstr@arm.com>
3436 * config/aarch64/aarch64.c (aarch64_modes_tieable_p):
3437 Allow scalar/single vector modes to be tieable.
3439 2016-06-20 Wilco Dijkstra <wdijkstr@arm.com>
3441 * config/arm/cortex-a57.md (cortex_a57_fp_cpys): Add fcsel.
3443 2016-06-20 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3445 * params.def (PARAM_ALIGN_LOOP_ITERATIONS): Use "alignment" instead of
3447 * tree.h (TYPE_ALIGN): Likewise.
3449 2016-06-20 Georg-Johann Lay <avr@gjlay.de>
3452 * config/avr/avr.md (movqi): Handle loading subreg:qi (const).
3454 2016-06-20 Georg-Johann Lay <avr@gjlay.de>
3456 * config/avr/avr.c (avr_print_operand): Fix "format not a string
3457 literal" build warnings.
3458 (avr_print_operand_address): Dito.
3460 2016-06-19 David Edelsohn <dje.gcc@gmail.com>
3463 * config/rs6000/aix51.h (TARGET_EXTRA_BUILTINS): Define as 0.
3464 * config/rs6000/aix43.h (TARGET_EXTRA_BUILTINS): Same.
3466 2016-06-18 John David Anglin <danglin@gcc.gnu.org>
3468 * config/pa/pa.h (TARGET_LONG_PIC_PCREL_CALL): Remove.
3470 2016-06-18 Eric Botcazou <ebotcazou@adacore.com>
3473 * reload1.c (reload): Pass 0 to finish_spills when called because
3474 update_eliminables_and_spill returns true and remove did_spill.
3475 (finish_spills): Adjust comment and document GLOBAL parameter.
3477 2016-06-17 DJ Delorie <dj@redhat.com>
3480 * config/rl78/rl78-expand.c (umulqihi3): Enable for G10.
3481 * config/rl78/rl78-virtual.c (umulhi3_shift_virt): Likewise.
3482 (umulqihi3_virt): Likewise.
3483 * config/rl78/rl78-real.c (umulhi3_shift_real): Likewise.
3484 (umulqihi3_real): Likewise.
3486 2016-06-17 Martin Liska <mliska@suse.cz>
3488 * tree-ssa-reassoc.c (transform_add_to_multiply): Use auto_vec.
3490 2016-06-17 Martin Liska <mliska@suse.cz>
3492 * predict.def: PRED_LOOP_EXIT from 92 to 85.
3494 2016-06-17 James Greenhalgh <james.greenhalgh@arm.com>
3496 * config/arm/arm_neon.h (vadd_f32): replace __FAST_MATH with
3498 (vaddq_f32): Likewise.
3499 (vmul_f32): Likewise.
3500 (vmulq_f32): Likewise.
3501 (vsub_f32): Likewise.
3502 (vsubq_f32): Likewise.
3504 2016-06-17 Bin Cheng <bin.cheng@arm.com>
3506 PR tree-optimization/71347
3507 * tree-ssa-loop-ivopts.c (determine_group_iv_cost_address): Compute
3508 cost for all uses in group.
3510 2016-06-17 Bin Cheng <bin.cheng@arm.com>
3512 * tree-vect-loop.c (vect_create_epilog_for_reduction): Only
3513 insert gimple seq if it's not empty.
3515 2016-06-17 Bin Cheng <bin.cheng@arm.com>
3517 * tree-vectorizer.h (struct dr_with_seg_len): Remove class
3519 * tree-vect-data-refs.c (operator ==): Handle DR_OFFSET directly,
3521 (comp_dr_with_seg_len_pair): Ditto.
3522 (vect_prune_runtime_alias_test_list): Ditto. Also Canonicalize
3523 struct dr_with_seg_len_pair against DR_OFFSET.
3524 * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks): Handle
3527 2016-06-17 Szabolcs Nagy <szabolcs.nagy@arm.com>
3529 * config/aarch64/geniterators.sh: Handle parenthesised conditions.
3531 2016-06-16 John David Anglin <danglin@gcc.gnu.org>
3533 * config/pa/pa.c (pa_output_pic_pcrel_sequence): New.
3534 (pa_output_lbranch): Use pa_output_pic_pcrel_sequence.
3535 (pa_output_millicode_call): Likewise.
3536 (pa_output_call): Likewise.
3537 (pa_output_indirect_call): Likewise.
3538 (pa_asm_output_mi_thunk): Likewise.
3540 2016-06-16 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3542 * doc/invoke.texi (x86 Options): Fix -mno-fp-ret-in-387 typo.
3544 2016-06-16 Martin Liska <mliska@suse.cz>
3546 * predict.c (combine_predictions_for_insn): When we find a first
3547 match predictor, we should consider just predictors with
3548 PRED_FLAG_FIRST_MATCH. Print either first match (if any) or
3549 DS theory predictor.
3550 (combine_predictions_for_bb): Likewise.
3552 2016-06-16 Jakub Jelinek <jakub@redhat.com>
3554 * gimplify.c (gimplify_scan_omp_clauses): Handle COMPONENT_REFs
3555 with base of reference to struct.
3557 2016-06-16 Uros Bizjak <ubizjak@gmail.com>
3559 * doc/invoke.texi (x86 Options): Document -m80387 and -mhard-float.
3561 2016-06-16 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
3564 * config/avr/avr.c (avr_asm_init_sections): Remove setup of
3565 progmem_swtable_section.
3566 (progmem_swtable_section): Remove.
3567 (avr_asm_function_rodata_section): Remove.
3568 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
3569 * config/avr/avr.h (JUMP_TABLES_IN_TEXT_SECTION: Define to 1.
3571 2016-06-16 Jocelyn Mayer <l_indien@magic.fr>
3573 * config/i386/driver-i386.c (host_detect_local_cpu): Set
3574 PROCESSOR_K8 for signature_CENTAUR_ebx with has_longmode.
3575 <case PROCESSOR_K8>: Pass nano-3000, nano, eden-x2 or k8 for
3576 signature_CENTAUR_ebx.
3577 * config/i386/i386.c (ix86_option_override_internal): Add
3578 definitions for VIA c7, samuel-2, nehemiah, esther, eden-x2, eden-x4,
3579 nano, nano-1000, nano-2000, nano-3000, nano-x2 and nano-x4.
3580 * doc/invoke.texi (x86 Options): Document new VIA -march entries.
3582 2016-06-16 Martin Liska <mliska@suse.cz>
3584 * predict.def: Add fortran loop preheader predictor.
3585 * gimple-fold.c (gimple_fold_stmt_to_constant_1): Properly
3586 fold IFN_BUILTIN_EXPECT with a known constant argument.
3588 2016-06-16 Martin Liska <mliska@suse.cz>
3590 * predict.def: Add 'Fortran' to display text of all
3591 PRED_FORTRAN_* predictors.
3593 2016-06-16 Uros Bizjak <ubizjak@gmail.com>
3596 * config/ia64/ia64.c (enum ia64_builtins) [IA64_BUILTIN_NANQ]: New.
3597 [IA64_BUILTIN_NANSQ]: Ditto.
3598 (ia64_fold_builtin): New function.
3599 (TARGET_FOLD_BUILTIN): New define.
3600 (ia64_init_builtins) Declare const_string_type node.
3601 Add __builtin_nanq and __builtin_nansq builtin functions.
3602 (ia64_expand_builtin): Handle IA64_BUILTIN_NANQ and IA64_BUILTIN_NANSQ.
3604 2016-06-16 Nick Clifton <nickc@redhat.com>
3606 * config/msp430/msp430-opts.h (msp430_hwmult_types): Add
3607 MSP430_HWMULT_ prefix to enum values.
3608 (msp430_regions): Add MSP430_REGION_ prefix to enum values.
3609 * config/msp430/msp430.c: Update use of enum values.
3610 * config/msp430/msp430.md: Likewise.
3611 * config/msp430/msp430.opt: Likewise.
3613 2016-06-16 Jan Hubicka <hubicka@ucw.cz>
3615 * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Fix estimation
3616 of comparsions in the last iteration.
3618 2016-06-16 Claudiu Zissulescu <claziss@synopsys.com>
3619 Joern Rennecke <joern.rennecke@embecosm.com>
3621 * config/arc/arc.c (arc_print_operand_address): Handle pc-relative
3623 (arc_needs_pcl_p): Add GOTOFFPC.
3624 (arc_legitimate_pic_addr_p): Likewise.
3625 (arc_output_pic_addr_const): Likewise.
3626 (arc_legitimize_pic_address): Generate a pc-relative address using
3628 (arc_output_libcall): Use @pcl syntax.
3629 (arc_delegitimize_address_0): Delegitimize ARC_UNSPEC_GOTOFFPC.
3630 * config/arc/arc.md ("unspec"): Add ARC_UNSPEC_GOTOFFPC.
3631 (*movsi_insn): Use @pcl syntax.
3632 (doloop_begin_i): Likewise.
3634 2016-06-16 Martin Liska <mliska@suse.cz>
3636 * predict.def: Define a new predictor.
3638 2016-06-16 Claudiu Zissulescu <claziss@synopsys.com>
3640 * config/arc/arc.opt (mtp-regno): Update text.
3642 2016-06-16 Renlin Li <renlin.li@arm.com>
3644 * config/aarch64/aarch64.c (aarch64_legitimize_address): Fix a typo.
3646 2016-06-16 Jakub Jelinek <jakub@redhat.com>
3649 * config/i386/i386.md (setcc + movzbl peephole2): Use reg_set_p.
3650 (setcc + and peephole2): Likewise.
3652 PR rtl-optimization/71532
3653 * cse.c (cse_insn): For const/pure calls, invalidate argument passing
3656 2016-06-15 Michael Meissner <meissner@linux.vnet.ibm.com>
3658 * config/rs6000/vsx.md (VSINT_84): Add DImode to enable loading
3659 DImode constants with XXSPLTIB in vector registers.
3660 (vsx_extract_<mode>, V2DImode/V2DFmode): Combine both
3661 vsx_extract_<mode>_internal{1,2} into a single insn that handles
3662 direct move (both ISA 2.07 and ISA 3.0 versions), and optimizes
3663 extraction of the element at the top of the register as a scalar
3665 (vsx_extract_<mode>_internal1): Likewise.
3666 (vsx_extract_<mode>_internal2): Likewise.
3667 * config/rs6000/constraints.md (wi constraint): Remove a comment
3668 about DImode not being allowed in Altivec registers.
3669 (wB constraint): New constraint for constants that can be
3670 generated in Altivec registers with VSPLTISW/VUPKHSW.
3671 * config/rs6000/predicates.md (xxspltib_constant_split): Update
3673 (xxspltib_constant_nosplit): Likewise.
3674 * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Add
3675 support for -mupper-regs-di to enable DImode to go into Altivec
3677 (POWERPC_MASKS): Likewise.
3678 (power7 cpu): Likewise.
3679 * config/rs6000/rs6000.opt (-mupper-regs-di): Likewise.
3680 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Add support
3681 for DImode being allowed in Altivec registers. Update wi/wj
3682 constraints. Set scalar_in_vmx_p flag.
3683 (rs6000_option_override_internal): Add checks for -mupper-regs-di.
3684 (xxspltib_constant_p): Allow CONST_INT's with VOIDmode. Don't
3685 return true if we could use VSPLTISW/VUPKHSW instead of XXSPLTIB.
3686 (rs6000_opt_masks): Add -mupper-regs-di.
3687 * config/rs6000/rs6000.md (lfiwax): Update clobbers that don't use
3688 direct move to use wi and not wj.
3690 (floatsi<mode>2_lfiwax_mem): Combine alternatives into a single
3692 (floatunssi<mode>2_lfiwzx_mem): Likewise.
3693 (fix_trunc<mode>di2_fctidz): Change second alternative to allow
3694 any VSX register, instead of just Altivec registers, to allow
3695 either operand to be an Altivec register or both.
3696 (fixuns_trunc<mode>di2_fctiduz): Likewise.
3697 (movdi_internal32): Add support for -mupper-regs-di. Add support
3698 to load constants via XXSPLTIB or VSPLTISW. Add spacing to allow
3699 the alternatives and attributes to be lined up to be easier to
3701 (movdi_internal64): Likewise.
3702 (64-bit DImode splitters): Change predicates to only split loading
3703 up GPR registers. Add splits for using XXSPLTIB or VSPLTISW to
3704 load constants in ISA 3.0 or ISA 2.07 respectively.
3705 * doc/invoke.texi (RS/6000 and PowerPC Options): Document
3706 -mupper-regs-di. Update -mupper-regs-df and -mupper-regs-sf to
3707 mention -mcpu=power9 sets these options.
3708 * doc/md.texi (PowerPC and IBM RS6000 constraints): Document the
3711 2016-06-15 Pitchumani Sivanupandi <pitchumani.s@atmel.com>
3714 * config/avr/avr.c (avr_set_current_function): Warn misspelled
3715 interrupt/ signal handler if -Wmisspelled-isr flag is enabled.
3716 * config/avr/avr.opt (Wmisspelled-isr): New warning flag. Enabled
3717 by default to warn misspelled interrupt/ signal handler.
3718 * doc/invoke.texi (AVR Options): Document it. Update description
3719 for -nodevicelib option.
3721 2016-06-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3723 * config/aarch64/aarch64-simd.md (aarch64_<sur>shll_n<mode>): Clean
3724 up parentheses. Use GET_MODE_UNIT_BITSIZE.
3725 (aarch64_<sur>shll2_n<mode>): Likewise.
3727 2016-06-15 Ilya Enkovich <ilya.enkovich@intel.com>
3730 * ipa-chkp.c (chkp_build_instrumented_fndecl): Fix
3731 DECL_CONTEXT for copied arguments.
3733 2016-06-15 Alan Hayward <alan.hayward@arm.com>
3735 PR tree-optimization/71483
3736 * tree-vect-loop.c (vectorizable_live_operation): Pick correct index
3739 2016-06-15 Martin Liska <mliska@suse.cz>
3741 * predict.c (tree_predict_by_opcode): Call predict_edge_def
3742 instead of predict_edge w/o a probability.
3744 2016-06-15 Alan Hayward <alan.hayward@arm.com>
3746 PR tree-optimization/71439
3747 * tree-vect-loop.c (vect_analyze_loop_operations): Additional check for
3750 2016-06-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3752 * ifcvt.c (bb_ok_for_noce_multiple_sets): Allow simple lowpart
3753 register subregs in SET_SRC.
3755 2016-06-15 Richard Biener <rguenther@suse.de>
3757 * tree-vect-stmts.c (vectorizable_store): Remove strided grouped
3760 2016-06-15 Richard Biener <rguenther@suse.de>
3762 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence): Do
3763 not consider dependences between accesses that belong to the
3765 (vect_analyze_data_ref_dependences): Do not analyze read-read
3766 or self-dependences.
3768 2016-06-14 David Malcolm <dmalcolm@redhat.com>
3770 * spellcheck-tree.c: Include spellcheck-tree.h rather than
3772 (find_closest_identifier): Reimplement in terms of
3773 best_match<tree,tree>.
3774 * spellcheck-tree.h: New file.
3775 * spellcheck.c (struct edit_distance_traits<const char *>): New
3777 (find_closest_string): Reimplement in terms of
3778 best_match<const char *, const char *>.
3779 * spellcheck.h (levenshtein_distance): Move prototype of tree-based
3780 overload to spellcheck-tree.h.
3781 (find_closest_identifier): Likewise.
3782 (struct edit_distance_traits<T>): New template.
3783 (class best_match): New class.
3785 2016-06-14 David Malcolm <dmalcolm@redhat.com>
3787 * selftest-run-tests.c (selftest::run_tests): Call
3788 selftest::spellcheck_tree_c_tests.
3789 * selftest.h (selftest::spellcheck_tree_c_tests): New decl.
3790 * spellcheck-tree.c: Include selftest.h and stringpool.h.
3791 (selftest::test_find_closest_identifier): New function.
3792 (selftest::spellcheck_tree_c_tests): New function.
3793 * spellcheck.c (selftest::test_find_closest_string): Verify that
3794 the order of the vec does not affect the results for this case.
3795 (selftest::test_data): New array.
3796 (selftest::test_metric_conditions): New function.
3797 (selftest::spellcheck_c_tests): Add a test of case-comparison.
3798 Call selftest::test_metric_conditions.
3800 2016-06-14 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3802 * config/rs6000/rs6000-builtin.def (commentary): Typo.
3803 (BU_P9_MISC_1): Likewise.
3804 (BU_P9_64BIT_MISC_0): Likewise.
3805 (BU_P9_MISC_0): Likewise.
3807 2016-06-14 David Malcolm <dmalcolm@redhat.com>
3809 * gcc-rich-location.c
3810 (gcc_rich_location::add_fixit_misspelled_id): New method.
3811 * gcc-rich-location.h
3812 (gcc_rich_location::add_fixit_misspelled_id): Add decl.
3814 2016-06-14 Andreas Tobler <andreast@gcc.gnu.org>
3816 * config/arm/freebsd.h: Only enable unaligned access for armv6 on
3817 FreeBSD 11 and above.
3819 2016-06-14 Uros Bizjak <ubizjak@gmail.com>
3821 * config/i386/i386.md (signbittf2): Emit sse_movmskps for TARGET_SSE.
3823 2016-06-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3825 * expmed.h: Close parenthesis in "at your option" in copyright
3827 * lower-subreg.h: Likewise.
3829 2016-06-14 Richard Biener <rguenther@suse.de>
3832 * genmatch.c (expr::gen_transform): Use in_type for comparisons
3835 2015-06-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3837 * config/aarch64/aarch64.c (aarch64_mask_and_shift_for_ubfiz_p):
3839 (aarch64_rtx_costs): Use it. Rewrite CONST_INT_P (op1) case to handle
3841 * config/aarch64/aarch64-protos.h (aarch64_mask_and_shift_for_ubfiz_p):
3843 * config/aarch64/aarch64.md (*andim_ashift<mode>_bfiz): Replace
3844 matching condition with aarch64_mask_and_shift_for_ubfiz_p.
3846 2016-06-14 Richard Biener <rguenther@suse.de>
3848 PR tree-optimization/71522
3849 * tree-ssa.c (non_rewritable_lvalue_p): Do not rewrite non-float
3850 copying into float copying.
3852 2016-06-14 Jakub Jelinek <jakub@redhat.com>
3854 PR tree-optimization/71520
3855 * tree-ssa-tail-merge.c (find_duplicate): Handle labels.
3856 (replace_block_by): Move user labels from bb1 to bb2.
3858 2016-06-14 Richard Biener <rguenther@suse.de>
3862 * expr.h (get_bit_range): Declare.
3863 * expr.c (get_bit_range): Export.
3864 * fold-const.c (optimize_bit_field_compare): Use get_bit_range and
3865 word_mode again to constrain the bitfield access.
3867 2016-06-14 Richard Biener <rguenther@suse.de>
3869 PR tree-optimization/71521
3870 * tree-vrp.c (extract_range_from_binary_expr_1): Guard
3871 division int_const_binop against zero divisor.
3873 2016-06-13 Uros Bizjak <ubizjak@gmail.com>
3875 * config/i386/i386.md (signbittf2): New expander.
3876 * config/i386/sse.md (ptesttf2): New insn pattern.
3878 2016-06-13 David Malcolm <dmalcolm@redhat.com>
3881 * input.c (selftest::test_reading_source_line): Avoid reading from
3882 __FILE__ by creating a tempfile with known content and reading
3885 2016-06-13 David Malcolm <dmalcolm@redhat.com>
3887 * pretty-print.c (assert_pp_format_colored): Skip the test if
3889 (test_pp_format): Remove comment about GCC_COLORS.
3891 2016-06-13 David Malcolm <dmalcolm@redhat.com>
3893 * input.c (test_reading_source_line): Use SELFTEST_LOCATION.
3894 * pretty-print.c (assert_pp_format_va): Add location param and use
3895 it with ASSERT_STREQ_AT.
3896 (assert_pp_format): Add location param and pass it to
3897 assert_pp_format_va.
3898 (assert_pp_format_colored): Likewise.
3899 (ASSERT_PP_FORMAT_1): New.
3900 (ASSERT_PP_FORMAT_2): New.
3901 (ASSERT_PP_FORMAT_3): New.
3902 (test_pp_format): Provide SELFTEST_LOCATION throughout, either
3903 explicitly, or implicitly via the above macros.
3904 * selftest.c (selftest::pass): Use a selftest::location rather
3906 (selftest::fail): Likewise. Print the function name.
3907 (selftest::fail_formatted): Likewise.
3908 (selftest::assert_streq): Use a selftest::location rather than
3910 * selftest.h (selftest::location): New struct.
3911 (SELFTEST_LOCATION): New macro.
3912 (selftest::pass): Accept a const location & rather than file
3914 (selftest::fail): Likewise.
3915 (selftest::fail_formatted): Likewise.
3916 (selftest::assert_streq): Likewise.
3917 (ASSERT_TRUE): Update for above changes, using SELFTEST_LOCATION.
3918 (ASSERT_FALSE): Likewise.
3919 (ASSERT_EQ): Likewise.
3920 (ASSERT_NE): Likewise.
3921 (ASSERT_STREQ): Likewise.
3922 (ASSERT_PRED1): Likewise.
3923 (ASSERT_STREQ_AT): New macro.
3925 2016-06-13 David Malcolm <dmalcolm@redhat.com>
3927 * selftest.c (selftest::fail_formatted): New function.
3928 (selftest::assert_streq): New function.
3929 * selftest.h (selftests::fail_formatted): New decl.
3930 (selftest::assert_streq): New decl.
3931 (ASSERT_STREQ): Reimplement in terms of selftest::assert_streq.
3933 2016-06-13 Jeff Law <law@redhat.com>
3935 PR tree-optimization/71403
3936 * tree-ssa-threadbackward.c
3937 (convert_and_register_jump_thread_path): No longer accept reference
3938 to path. Do not pop items off the path anymore.
3939 (fsm_find_control_statement_thread_paths): Do not allow threading
3940 to a deeper loop nest. Pop the last item off the path here rather
3941 than in convert_and_register_jump_thread_path.
3943 2016-06-13 Evandro Menezes <e.menezes@samsung.com>
3944 Wilco Dijkstra <Wilco.Dijkstra@arm.com>
3946 [AArch64] Emit division using the Newton series
3948 * config/aarch64/aarch64-protos.h
3949 (cpu_approx_modes): Add new member "division".
3950 (aarch64_emit_approx_div): Declare new function.
3951 * config/aarch64/aarch64.c
3952 (generic_approx_modes): New member "division".
3953 (exynosm1_approx_modes): Likewise.
3954 (xgene1_approx_modes): Likewise.
3955 (aarch64_emit_approx_div): Define new function.
3956 * config/aarch64/aarch64.md ("div<mode>3"): New expansion.
3957 * config/aarch64/aarch64-simd.md ("div<mode>3"): Likewise.
3958 * config/aarch64/aarch64.opt (-mlow-precision-div): Add new option.
3959 * doc/invoke.texi (-mlow-precision-div): Describe new option.
3961 2016-06-13 Evandro Menezes <e.menezes@samsung.com>
3962 Wilco Dijkstra <wilco.dijkstra@arm.com>
3964 [AArch64] Emit square root using the Newton series
3966 * config/aarch64/aarch64-protos.h
3967 (aarch64_emit_approx_rsqrt): Replace with new function
3968 "aarch64_emit_approx_sqrt".
3969 (cpu_approx_modes): New member "sqrt".
3970 * config/aarch64/aarch64.c
3971 (generic_approx_modes): New member "sqrt".
3972 (exynosm1_approx_modes): Likewise.
3973 (xgene1_approx_modes): Likewise.
3974 (aarch64_emit_approx_rsqrt): Replace with new function
3975 "aarch64_emit_approx_sqrt".
3976 (aarch64_override_options_after_change_1): Handle new option.
3977 * config/aarch64/aarch64-simd.md
3978 (rsqrt<mode>2): Use new function instead.
3979 (sqrt<mode>2): New expansion and insn definitions.
3980 * config/aarch64/aarch64.md: Likewise.
3981 * config/aarch64/aarch64.opt
3982 (mlow-precision-sqrt): Add new option description.
3983 * doc/invoke.texi (mlow-precision-sqrt): Likewise.
3985 2016-06-13 Evandro Menezes <e.menezes@samsung.com>
3987 [AArch64] Add more choices for the reciprocal square root approximation
3989 Allow a target to prefer such operation depending on the operation mode.
3991 * config/aarch64/aarch64-protos.h
3992 (AARCH64_APPROX_MODE): New macro.
3993 (AARCH64_APPROX_{NONE,ALL}): Likewise.
3994 (cpu_approx_modes): New structure.
3995 (tune_params): New member "approx_modes".
3996 * config/aarch64/aarch64-tuning-flags.def
3997 (AARCH64_EXTRA_TUNE_APPROX_RSQRT): Remove macro.
3998 * config/aarch64/aarch64.c
3999 (generic_approx_modes): New core "cpu_approx_modes" structure.
4000 (exynosm1_approx_modes): Likewise.
4001 (xgene1_approx_modes): Likewise.
4002 (generic_tunings): New member "approx_modes".
4003 (cortexa35_tunings): Likewise.
4004 (cortexa53_tunings): Likewise.
4005 (cortexa57_tunings): Likewise.
4006 (cortexa72_tunings): Likewise.
4007 (exynosm1_tunings): Likewise.
4008 (thunderx_tunings): Likewise.
4009 (xgene1_tunings): Likewise.
4010 (use_rsqrt_p): New argument for the mode and use new member from
4012 (aarch64_builtin_reciprocal): Devise mode from builtin.
4013 (aarch64_optab_supported_p): New argument for the mode.
4014 * doc/invoke.texi (-mlow-precision-recip-sqrt): Reword description.
4016 2016-06-13 Kelvin Nilsen <kelvin@gcc.gnu.org>
4018 * config/rs6000/rs6000.h (RS6000_BTM_COMMON): Add the
4019 RS6000_BTM_MODULO flag into the set of flags that are considered
4020 to be part of the common configuration.
4022 2016-06-13 Kelvin Nilsen <kelvin@gcc.gnu.org>
4024 * config/rs6000/altivec.h (vec_absd): New macro for vector absolute
4025 difference unsigned.
4026 (vec_absdb): New macro for vector absolute difference unsigned
4028 (vec_absdh): New macro for vector absolute difference unsigned
4030 (vec_absdw): New macro for vector absolute difference unsigned word.
4031 * config/rs6000/altivec.md (UNSPEC_VADU): New value.
4032 (vadu<mode>3): New insn.
4033 (*p9_vadu<mode>3): New insn.
4034 * config/rs6000/rs6000-builtin.def (vadub): New built-in
4036 (vaduh): New built-in definition.
4037 (vaduw): New built-in definition.
4038 (vadu): New overloaded built-in definition.
4039 (vadub): New overloaded built-in definition.
4040 (vaduh): New overloaded built-in definition.
4041 (vaduw): New overloaded built-in definition.
4042 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
4043 overloaded vector absolute difference unsigned functions.
4044 * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
4045 the ISA 3.0 vector absolute difference unsigned built-in functions.
4047 2016-06-13 Eric Botcazou <ebotcazou@adacore.com>
4049 * tree-ssa-sccvn.c (vn_reference_lookup_3): Use a uniform test and
4050 update shared_lookup_references only once after changing operands.
4052 2016-06-13 Thomas Schwinge <thomas@codesourcery.com>
4055 * tree-nested.c (convert_nonlocal_omp_clauses)
4056 (convert_local_omp_clauses): Document missing OMP_CLAUSE_*.
4058 * tree-cfg.c (edge_to_cases_cleanup): Fix CASE_CHAIN typo.
4059 * tree.def (CASE_LABEL_EXPR): Likewise.
4061 2016-06-13 Bernd Edlinger <bernd.edlinger@hotmail.de>
4064 * input.c (test_builtins): Fix an assertion.
4066 2016-06-13 Uros Bizjak <ubizjak@gmail.com>
4068 * config/i386/i386.md (paritydi2): Use ix86_expand_setcc.
4071 (isinf<mode>2): Ditto.
4073 2016-06-13 Uros Bizjak <ubizjak@gmail.com>
4075 * ggc-tests.c (test_finalization): Only test need_finalization_p
4076 for GCC_VERSION >= 4003.
4078 2016-06-13 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4080 * config/s390/vecintrin.h: Fix file description in comment.
4082 2016-06-13 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4084 * config/s390/s390-builtin-types.def: Change builtin type naming
4085 scheme to match builtin-types.def.
4087 2016-06-13 Marc Glisse <marc.glisse@inria.fr>
4089 * fold-const.c (optimize_minmax_comparison): Remove.
4090 (fold_comparison): Remove call to the above.
4091 * match.pd (MIN (X, Y) == X, MIN (X, 5) == 0, MIN (X, C1) < C2):
4092 New transformations.
4094 2016-06-13 Alan Hayward <alan.hayward@arm.com>
4096 PR tree-optimization/71416
4097 * tree-vect-loop.c (vectorizable_live_operation): Let worklist have
4100 2016-06-13 Martin Liska <mliska@suse.cz>
4102 * predict.c (enum predictor_reason): Prefix enum with REASON_.
4103 (combine_predictions_for_insn): Likewise.
4104 (prune_predictions_for_bb): Likewise.
4105 (combine_predictions_for_bb): Likewise.
4107 2016-06-13 Richard Biener <rguenther@suse.de>
4109 PR tree-optimization/71505
4110 * tree-vect-data-refs.c (vect_analyze_data_ref_accesses): Make
4111 assert match comment.
4113 2016-06-13 Marek Polacek <polacek@redhat.com>
4116 * gimplify.c (maybe_warn_switch_unreachable): Factored out of
4117 gimplify_switch_expr.
4118 (warn_switch_unreachable_r): New function.
4120 2016-06-13 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4123 * config/s390/s390.c (s390_expand_builtin): Increase MAX_ARGS by
4126 2016-06-13 Richard Biener <rguenther@suse.de>
4129 * fold-const.c (fold_unary_loc): Preserve alignment when
4130 folding a VIEW_CONVERT_EXPR into a MEM_REF.
4132 2016-06-13 Martin Liska <mliska@suse.cz>
4135 * toplev.c (process_options): Do not enable -fcheck-pointer-bounds
4136 w/ -fsanitize=bounds.
4138 2016-06-12 Uros Bizjak <ubizjak@gmail.com>
4140 * config/i386/i386.c (ix86_init_builtins): Calculate
4141 FLOAT128_FTYPE_CONST_STRING function type only once.
4142 * doc/extend.texi (x86 Built-in Functions): Update text, __float128
4143 built-in functions are available for x86-32 and x86-64 targets.
4145 2016-06-12 Uros Bizjak <ubizjak@gmail.com>
4148 * config/i386/i386.i386-builtin-types.def (CONST_STRING):
4150 (FLOAT128_FTYPE_CONST_STRING): New function type.
4151 * config/i386/i386.c (enum ix86_builtins) [IX86_BUILTIN_NANQ]: New.
4152 [IX86_BUILTIN_NANSQ]: Ditto.
4153 (ix86_fold_builtin): Handle IX86_BUILTIN_NANQ and IX86_BUILTIN_NANSQ.
4154 (ix86_init_builtin_types): Declare const_string_type_node.
4155 (ix86_init_builtins): Add __builtin_nanq and __builtin_nansq
4157 (ix86_expand_builtin): Handle IX86_BUILTIN_NANQ and IX86_BUILTIN_NANSQ.
4158 * doc/extend.texi (x86 Built-in Functions): Document
4159 __builtin_nanq and __builtin_nansq.
4161 2016-06-11 Jiong Wang <jiong.wang@arm.com>
4164 * config/arm/arm-protos.h (arm_attr_length_pop_multi): New declaration.
4165 * config/arm/arm.c (arm_attr_length_pop_multi): New function to return
4166 length for pop patterns.
4167 (arm_attr_length_push_multi): Update comments.
4168 * config/arm/arm.md (*load_multiple_with_writeback): Set "length"
4170 (*pop_multiple_with_writeback_and_return): Likewise.
4171 (*pop_multiple_with_return): Likewise.
4173 2016-06-11 Segher Boessenkool <segher@kernel.crashing.org>
4176 * fold-const.c (optimize_bit_field_compare): Don't try to use
4177 word_mode unconditionally for reading the bit field, look at
4178 DECL_BIT_FIELD_REPRESENTATIVE instead.
4180 2016-06-11 Kugan Vivekanandarajah <kuganv@linaro.org>
4183 * tree-ssa-reassoc.c (reassociate_bb): Remove (-1) from ops list for
4184 vector integer type.
4186 2016-06-10 Jakub Jelinek <jakub@redhat.com>
4189 * tree-nested.c (convert_nonlocal_reference_stmt): For GIMPLE_GOTO
4190 without LABEL_DECL, set *handled_ops_p to false instead of true.
4192 2016-06-10 Martin Sebor <msebor@redhat.com>
4195 * builtin-attrs.def (ATTR_NOTHROW_NONNULL_LEAF_LIST): New macro.
4196 (ATTR_NOTHROW_NONNULL_TYPEGENERIC_LEAF): Same.
4197 * builtins.def (BUILT_IN_SADD_OVERFLOW, BUILT_IN_SADDL_OVERFLOW): Use
4199 (BUILT_IN_SADDLL_OVERFLOW, BUILT_IN_SSUB_OVERFLOW): Same.
4200 (BUILT_IN_SSUBL_OVERFLOW, BUILT_IN_SSUBLL_OVERFLOW): Same.
4201 (BUILT_IN_SMUL_OVERFLOW, BUILT_IN_SMULL_OVERFLOW): Same.
4202 (BUILT_IN_SMULLL_OVERFLOW, BUILT_IN_UADD_OVERFLOW): Same.
4203 (BUILT_IN_UADDL_OVERFLOW, BUILT_IN_UADDLL_OVERFLOW): Same.
4204 (BUILT_IN_USUB_OVERFLOW, BUILT_IN_USUBL_OVERFLOW): Same.
4205 (BUILT_IN_USUBLL_OVERFLOW, BUILT_IN_UMUL_OVERFLOW): Same.
4206 (BUILT_IN_UMULL_OVERFLOW, BUILT_IN_UMULLL_OVERFLOW): Same.
4208 2016-06-10 Bernd Edlinger <bernd.edlinger@hotmail.de>
4210 * config/arm/arm.h (pool_vector_label,
4211 return_used_this_function): Remove.
4213 2016-06-10 Jeff Law <law@redhat.com>
4215 PR tree-optimization/71335
4216 * tree-ssa-threadbackward.c (profitable_jump_thread_path): Filter out
4217 zero length paths here.
4218 (convert_and_register_jump_thread_path): Remove hacks related to
4219 duplicated blocks in the jump thread path.
4220 (fsm_find_control_statement_thread_paths): Avoid putting the same
4221 block on the thread path twice, but ensure the thread path is
4222 unchanged from the caller's point of view.
4224 2016-06-10 Jan Hubicka <hubicka@ucw.cz>
4226 * predict.c (predict_loops): Remove PRED_LOOP_BRANCH.
4227 * predict.def (PRED_LOOP_BRANCH): Remove.
4229 2016-06-10 David Malcolm <dmalcolm@redhat.com>
4231 * Makefile.in (OBJS): Add ggc-tests.o.
4232 (GTFILES): Add ggc-tests.c.
4233 * ggc-tests.c: New file.
4234 * selftest-run-tests.c (selftest::run_tests): Call
4235 selftest::ggc_tests_c_tests.
4236 * selftest.h (selftest::ggc_tests_c_tests): New prototype.
4238 2016-06-10 Alexander Monakov <amonakov@ispras.ru>
4240 * match.pd (-1 / B < A): Use :c to avoid pattern duplication.
4242 2016-06-10 Maxim Ostapenko <m.ostapenko@samsung.com>
4245 * varasm.c (place_block_symbol): Adjust alignment for asan protected
4246 STRING_CSTs even if TREE_CONSTANT_POOL_ADDRESS_P.
4248 2016-06-10 Jan Hubicka <hubicka@ucw.cz>
4250 * profile.c: Include cfgloop.h.
4251 (branch_prob): Compute estimated number of iterations.
4252 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop): Do not
4253 recompute estimate number of iterations from profile.
4255 2016-06-10 Bernd Edlinger <bernd.edlinger@hotmail.de>
4258 * reg-stack.c (check_asm_stack_operands): Explicit input arguments
4259 must be grouped on top of stack. Don't force early clobber
4260 on ordinary reg outputs.
4262 2016-06-10 Richard Biener <rguenther@suse.de>
4264 * targhooks.c (default_builtin_vectorization_cost): Adjust
4267 2016-06-10 Richard Biener <rguenther@suse.de>
4269 * gimple-fold.c (gimple_fold_builtin_memory_op): Make sure
4270 to fold the RHS to a constant if possible.
4272 2016-06-10 Thomas Schwinge <thomas@codesourcery.com>
4275 * tree-nested.c (convert_nonlocal_omp_clauses)
4276 (convert_local_omp_clauses): Handle OMP_CLAUSE_ASYNC,
4277 OMP_CLAUSE_WAIT, OMP_CLAUSE_INDEPENDENT, OMP_CLAUSE_AUTO,
4278 OMP_CLAUSE__CACHE_, OMP_CLAUSE_TILE.
4280 * gimplify.c (gimplify_adjust_omp_clauses): Discard
4282 * omp-low.c (scan_sharing_clauses): Don't expect OMP_CLAUSE_TILE.
4284 * omp-low.c (scan_sharing_clauses): Don't expect
4287 2016-06-10 Alan Hayward <alan.hayward@arm.com>
4289 PR tree-optimization/71407
4290 PR tree-optimization/71416
4291 * tree-vect-loop.c (vectorizable_live_operation): Use vectype for
4294 2016-06-10 Richard Biener <rguenther@suse.de>
4297 * cfgloop.c (alloc_loop): Initialize nb_iterations_likely_upper_bound.
4299 2016-06-09 Eric Botcazou <ebotcazou@adacore.com>
4301 * df-problems.c (df_note_bb_compute): Guard use of DF_INSN_INFO_GET.
4303 2016-06-09 Vladimir Makarov <vmakarov@redhat.com>
4304 Jiong Wang <jiong.wang@arm.com>
4306 PR rtl-optimization/70751
4307 * lra-constraints.c (process_alt_operands): Recognize Non-pseudo
4308 spilled into memory.
4310 2016-06-09 Jonathan Yong <10walls@gmail.com>
4313 2015-09-21 Jonathan Yong <10walls@gmail.com>
4315 * config/i386/cygwin.h (STARTFILE_SPEC): Explicitly search
4316 sysroot/usr/lib/32api for additional win32 libraries,
4317 fixes failing Cygwin bootstrapping.
4319 2016-06-09 Marcin Baczyński <marbacz@gmail.com>
4321 * diagnostic.h (diagnostic_line_cutoff, diagnostic_flush_buffer):
4324 2016-06-09 David Malcolm <dmalcolm@redhat.com>
4327 * pretty-print.c (pp_indent): Specify that %p is printed in a
4328 host-dependent manner.
4329 (test_pp_format): Remove the test for %p.
4331 2016-06-09 Maciej W. Rozycki <macro@imgtec.com>
4333 * config/mips/mips.c (mips_output_jump): Fix formatting.
4335 2016-06-09 Richard Biener <rguenther@suse.de>
4337 PR tree-optimization/71462
4338 * tree-ssa-loop-manip.c (find_uses_to_rename): Guard against
4341 2016-06-09 Martin Liska <mliska@suse.cz>
4343 * predict.c (dump_prediction): Add new argument.
4344 (enum predictor_reason): New enum.
4345 (struct predictor_hash): New struct.
4346 (predictor_hash::hash): New function.
4347 (predictor_hash::equal): Likewise.
4348 (not_removed_prediction_p): New function.
4349 (prune_predictions_for_bb): Likewise.
4350 (combine_predictions_for_bb): Prune predictions.
4352 2016-06-09 Martin Liska <mliska@suse.cz>
4354 * predict.c (filter_predictions): New function.
4355 (remove_predictions_associated_with_edge): Use the filter
4357 (equal_edge_p): New function.
4359 2016-06-09 Stefan Bruens <stefan.bruens@rwth-aachen.de>
4361 * doc/invoke.texi (ARM Options): Use lexicographical ordering.
4362 Correct usage of @samp vs @option, add @samp where appropriate.
4363 Add -march={armv6k,armv6z,arm6zk}, remove -march=ep9312.
4364 Add armv6s-m and document it, as it is no official ARM name.
4366 2016-06-09 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4368 * ifcvt.c (struct noce_if_info): Add transform_name field.
4369 (noce_try_move): Set if_info->transform_name to the function name.
4370 (noce_try_ifelse_collapse): Likewise.
4371 (noce_try_store_flag): Likewise.
4372 (noce_try_inverse_constants): Likewise.
4373 (noce_try_store_flag_constants): Likewise.
4374 (noce_try_addcc): Likewise.
4375 (noce_try_store_flag_mask): Likewise.
4376 (noce_try_cmove): Likewise.
4377 (noce_try_cmove_arith): Likewise.
4378 (noce_try_minmax): Likewise.
4379 (noce_try_abs): Likewise.
4380 (noce_try_sign_mask): Likewise.
4381 (noce_try_bitop): Likewise.
4382 (noce_convert_multiple_sets): Likewise.
4383 (noce_process_if_block): Print if_info->transform_name to
4384 dump_file if transformation succeeded.
4386 2016-06-09 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4388 * config/arm/cortex-a57.md (cortex_a57_alu):
4391 2016-06-08 Martin Sebor <msebor@redhat.com>
4392 Jakub Jelinek <jakub@redhat.com>
4396 * builtins.def (BUILT_IN_ADD_OVERFLOW_P, BUILT_IN_SUB_OVERFLOW_P,
4397 BUILT_IN_MUL_OVERFLOW_P): New builtins.
4398 * builtins.c: Include gimple-fold.h.
4399 (fold_builtin_arith_overflow): Handle
4400 BUILT_IN_{ADD,SUB,MUL}_OVERFLOW_P.
4401 (fold_builtin_3): Likewise.
4402 * doc/extend.texi (Integer Overflow Builtins): Document
4403 __builtin_{add,sub,mul}_overflow_p.
4405 2016-06-08 Jose E. Marchesi <jose.marchesi@oracle.com>
4407 * config/sparc/driver-sparc.c (cpu_names): Fix the entry for the
4408 SPARC-M7 and add an entry for SPARC-S7 cpus (Sonoma).
4410 2016-06-08 Alan Lawrence <alan.lawrence@arm.com>
4412 * config/aarch64/aarch64.c (aarch64_function_arg_alignment):
4413 Rewrite, looking one level down for records and arrays.
4415 2016-06-08 David Malcolm <dmalcolm@redhat.com>
4417 * pretty-print.c: Include "selftest.h".
4418 (pp_format): Fix comment.
4419 (identifier_to_locale): Likewise.
4420 (selftest::test_basic_printing): New function.
4421 (selftest::assert_pp_format): New function.
4422 (selftest::test_pp_format): New function.
4423 (selftest::pretty_print_c_tests): New function.
4424 * selftest-run-tests.c (selftest::run_tests): Call
4425 selftest::pretty_print_c_tests.
4426 * selftest.h (pretty_print_c_tests): New declaration.
4428 2016-06-07 Jan Hubicka <hubicka@ucw.cz>
4430 * invoke.texi (max-loop-headers-insns): Document.
4431 * params.def (PARAM_MAX_LOOP_HEADER_INSNS): New.
4432 * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Update comment.
4433 (ch_base::copy_headers): Use PARAM_MAX_LOOP_HEADER_INSNS.
4435 2016-06-08 Richard Biener <rguenther@suse.de>
4437 * tree-vect-stmts.c (vectorizable_load): Remove restrictions
4438 on strided SLP loads and fall back to scalar loads in case
4439 we can't chunk them.
4441 2016-06-08 Richard Biener <rguenther@suse.de>
4443 PR tree-optimization/71452
4444 * tree-ssa.c (non_rewritable_lvalue_p): Make sure that the
4445 type used for the SSA rewrite has enough precision to cover
4446 the dynamic type of the location.
4448 2016-06-08 Jakub Jelinek <jakub@redhat.com>
4449 Richard Biener <rguenther@suse.de>
4452 * fold-const.c (fold_comparison): Handle CONSTANT_CLASS_P (base0)
4453 the same as DECL_P (base0) for indirect_base0. Use equality_code
4454 in one further place.
4456 2016-06-08 Richard Sandiford <richard.sandiford@arm.com>
4458 * expmed.c (store_bit_field_1): Do not restrict a multiword op0
4459 to one word if the field is known to overlap other words.
4460 (extract_bit_field_1): Likewise.
4461 (store_split_bit_field): Remove compensating code.
4462 (extract_split_bit_field): Likewise.
4464 2016-06-08 Bernd Schmidt <bschmidt@redhat.com>
4468 * tree-ssa-strlen.c (handle_builtin_memcmp): Ignore debug insns.
4470 2016-06-08 Jiong Wang <jiong.wang@arm.com>
4472 * config/aarch64/aarch64-builtins.def (faddp): New builtins for modes in
4474 * config/aarch64/aarch64-simd.md (aarch64_faddp<mode>): New.
4475 (arch64_addpv4sf): Delete.
4476 (reduc_plus_scal_v4sf): Use "gen_aarch64_faddpv4sf" instead of
4477 "gen_aarch64_addpv4sf".
4478 * config/aarch64/arm_neon.h (vpadd_f32): Remove inline assembly. Use
4480 (vpadds_f32): Likewise.
4481 (vpaddq_f32): Likewise.
4482 (vpaddq_f64): Likewise.
4484 2016-06-08 Jiong Wang <jiong.wang@arm.com>
4486 * config/aarch64/aarch64-builtins.def (fabd): New builtins for modes
4488 * config/aarch64/aarch64-simd.md (fabd<mode>_3): Extend modes from VDQF
4489 to VALLF. Rename to "fabd<mode>3".
4490 "*fabd_scalar<mode>3): Delete.
4491 * config/aarch64/arm_neon.h (vabds_f32): Remove inline assembly.
4493 (vabdd_f64): Likewise.
4494 (vabd_f32): Likewise.
4495 (vabd_f64): Likewise.
4496 (vabdq_f32): Likewise.
4497 (vabdq_f64): Likewise.
4499 2016-06-08 Jiong Wang <jiong.wang@arm.com>
4501 * config/aarch64/aarch64-builtins.def (rsqrts): New builtins for modes
4503 * config/aarch64/aarch64-simd.md (aarch64_rsqrts_<mode>3): Rename to
4504 "aarch64_rsqrts<mode>".
4505 * config/aarch64/aarch64.c (get_rsqrts_type): Update gen* name.
4506 * config/aarch64/arm_neon.h (vrsqrtss_f32): Remove inline assembly. Use
4508 (vrsqrtsd_f64): Likewise.
4509 (vrsqrts_f32): Likewise.
4510 (vrsqrts_f64): Likewise.
4511 (vrsqrtsq_f32): Likewise.
4512 (vrsqrtsq_f64): Likewise.
4514 2016-06-08 Jiong Wang <jiong.wang@arm.com>
4516 * config/aarch64/aarch64-builtins.def (rsqrte): New builtins for modes
4518 * config/aarch64/aarch64-simd.md (aarch64_rsqrte_<mode>2): Rename to
4519 "aarch64_rsqrte<mode>".
4520 * config/aarch64/aarch64.c (get_rsqrte_type): Update gen* name.
4521 * config/aarch64/arm_neon.h (vrsqrts_f32): Remove inline assembly. Use
4523 (vrsqrted_f64): Likewise.
4524 (vrsqrte_f32): Likewise.
4525 (vrsqrte_f64): Likewise.
4526 (vrsqrteq_f32): Likewise.
4527 (vrsqrteq_f64): Likewise.
4529 2016-06-08 Jiong Wang <jiong.wang@arm.com>
4531 * config/aarch64/aarch64-builtins.def (scvtf): Register vector modes.
4535 * config/aarch64/aarch64-simd.md
4536 (<FCVT_F2FIXED:fcvt_fixed_insn><VDQF:mode>3): New.
4537 (<FCVT_FIXED2F:fcvt_fixed_insn><VDQ_SDI:mode>3): Likewise.
4538 * config/aarch64/arm_neon.h (vcvt_n_f32_s32): Remove inline assembly.
4540 (vcvt_n_f32_u32): Likewise.
4541 (vcvt_n_s32_f32): Likewise.
4542 (vcvt_n_u32_f32): Likewise.
4543 (vcvtq_n_f32_s32): Likewise.
4544 (vcvtq_n_f32_u32): Likewise.
4545 (vcvtq_n_f64_s64): Likewise.
4546 (vcvtq_n_f64_u64): Likewise.
4547 (vcvtq_n_s32_f32): Likewise.
4548 (vcvtq_n_s64_f64): Likewise.
4549 (vcvtq_n_u32_f32): Likewise.
4550 (vcvtq_n_u64_f64): Likewise.
4551 * config/aarch64/iterators.md (VDQ_SDI): New mode iterator.
4552 (VSDQ_SDI): Likewise.
4553 (fcvt_target): Support V4DI, V4SI and V2SI.
4554 (FCVT_TARGET): Likewise.
4556 2016-06-08 Jiong Wang <jiong.wang@arm.com>
4558 * config/aarch64/aarch64-builtins.c (TYPES_BINOP_USS): New
4559 (TYPES_BINOP_SUS): Likewise.
4560 (aarch64_simd_builtin_data): Update include file name.
4561 (aarch64_builtins): Likewise.
4562 * config/aarch64/aarch64-simd-builtins.def (scvtf): New entries
4563 for conversion between scalar float-point and fixed-point.
4567 * config/aarch64/aarch64.md
4568 (<FCVT_F2FIXED:fcvt_fixed_insn><GPF:mode>3: New
4569 pattern for conversion between scalar float to fixed-pointer.
4570 (<FCVT_FIXED2F:fcvt_fixed_insn><GPI:mode>: Likewise.
4571 (UNSPEC_FCVTZS): New UNSPEC enumeration.
4572 (UNSPEC_FCVTZU): Likewise.
4573 (UNSPEC_SCVTF): Likewise.
4574 (UNSPEC_UCVTF): Likewise.
4575 * config/aarch64/arm_neon.h (vcvtd_n_f64_s64): Remove inline assembly.
4577 (vcvtd_n_f64_u64): Likewise.
4578 (vcvtd_n_s64_f64): Likewise.
4579 (vcvtd_n_u64_f64): Likewise.
4580 (vcvtd_n_f32_s32): Likewise.
4581 (vcvts_n_f32_u32): Likewise.
4582 (vcvtd_n_s32_f32): Likewise.
4583 (vcvts_n_u32_f32): Likewise.
4584 * config/aarch64/iterators.md (fcvt_target): Support integer to float
4586 (FCVT_TARGET): Likewise.
4587 (FCVT_FIXED2F): New iterator.
4588 (FCVT_F2FIXED): Likewise.
4589 (fcvt_fixed_insn): New define_int_attr.
4591 2016-06-07 Jan Hubicka <hubicka@ucw.cz>
4593 * predict.c (pass_strip_predict_hints::execute): Cleanup CFG if
4594 some statements was removed.
4596 2016-06-08 Alan Hayward <alan.hayward@arm.com>
4598 * tree-vect-data-refs.c (vect_analyze_data_refs): Remove debug newline.
4599 * tree-vect-loop-manip.c (slpeel_make_loop_iterate_ntimes): likewise.
4600 (vect_can_advance_ivs_p): likewise.
4601 (vect_update_ivs_after_vectorizer): likewise.
4602 * tree-vect-loop.c (vect_determine_vectorization_factor): likewise.
4603 (vect_analyze_scalar_cycles_1): likewise.
4604 (vect_analyze_loop_operations): likewise.
4605 (report_vect_op): likewise.
4606 (vect_is_slp_reduction): likewise.
4607 (vect_is_simple_reduction): likewise.
4608 (get_initial_def_for_induction): likewise.
4609 (vect_transform_loop): likewise.
4610 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): likewise.
4611 (vect_recog_sad_pattern): likewise.
4612 (vect_recog_widen_sum_pattern): likewise.
4613 (vect_recog_widening_pattern): likewise.
4614 (vect_recog_divmod_pattern): likewise.
4615 * tree-vect-slp.c (vect-build-slp_tree_1): likewise.
4616 (vect_analyze_slp_instance): likewise.
4617 (vect_transform_slp_perm_load): likewise.
4618 (vect_schedule_slp_instance): likewise.
4620 2016-06-07 Jan Hubicka <hubicka@ucw.cz>
4622 * predict.c (predict_iv_comparison): Mention that heuristics is broken.
4623 (return_prediction): PRED_CONST_RETURN predict return as not taken.
4624 * predict.def (PRED_CONTINUE): Change hitrate 50->67
4625 (PRED_LOOP_BRANCH): Document predictor as broken.
4626 (PRED_LOOP_EXIT): Change hitrate 91->92.
4627 (PRED_LOOP_EXTRA_EXIT): Change hitrate 91->83.
4628 (PRED_POINTER, PRED_TREE_POINTER): Change hitrate 85->70.
4629 (PRED_OPCODE_POSITIVE): Change hitrate 79->64.
4630 (PRED_OPCODE_NONEQUAL): Change hitrate 91->66.
4631 (PRED_TREE_OPCODE_POSITIVE): Change hitrate 73->64
4632 (PRED_TREE_OPCODE_NONEQUAL): Chnage hitrate 72->66
4633 (PRED_CALL): Chane hitrate 71->67.
4634 (PRED_TREE_EARLY_RETURN): Document issues, change hitrate 61->54.
4635 (PRED_GOTO): Document as unused right now.
4636 (PRED_CONST_RETURN): Change hitrate 67->69
4637 (PRED_NEGATIVE_RETURN): Change hitrate 96->98
4638 (PRED_NULL_RETURN): Change hitrate 91->90.
4639 (PRED_LOOP_IV_COMPARE_GUESS): Change hitrate to 98.
4640 (PRED_FORTRAN_FAIL_ALLOC): Change hitrate to 62; document issues.
4641 (PRED_FORTRAN_SIZE_ZERO): Change hitrate to 99.
4643 2016-06-07 Bill Seurer <seurer@linux.vnet.ibm.com>
4645 * config/rs6000/altivec.h: Add __builtin_vec_mul.
4646 * config/rs6000/rs6000-builtin.def (vec_mul): Change vec_mul to a
4647 special case Altivec builtin.
4648 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Remove
4649 VSX_BUILTIN_VEC_MUL (replaced with special case code).
4650 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
4651 code for ALTIVEC_BUILTIN_VEC_MUL.
4652 * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
4653 for __builtin_vec_mul.
4655 2016-06-07 Peter Bergner <bergner@vnet.ibm.com>
4657 * doc/invoke.texi (RS/6000 and PowerPC Options): Document -mhtm and
4660 2016-06-07 David Malcolm <dmalcolm@redhat.com>
4662 * spellcheck.c (selftest::test_find_closest_string): New function.
4663 (spellcheck_c_tests): Call the above.
4665 2016-06-07 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4667 * simplify-rtx.c (simplify_cond_clz_ctz): Delete 'mode' local variable.
4669 2016-06-07 Jakub Jelinek <jakub@redhat.com>
4671 * config/i386/sse.md (avx_vec_concat<mode>): Add v=v,vm and
4672 Yv=Yv,C alternatives.
4674 2016-06-07 Richard Biener <rguenther@suse.de>
4677 * common.opt (ffast-math): Make Optimization.
4679 2016-06-07 Simon Dardis <simon.dardis@imgtec.com>
4680 Prachi Godbole <prachi.godbole@imgtec.com>
4682 * config/mips/p5600.md (p5600_fpu_fadd): Remove checking for
4683 `fabs' and `fneg' type attributes.
4684 (p5600_fpu_fabs): Add `fmove' to the comment.
4686 2016-06-07 Jan Hubicka <hubicka@ucw.cz>
4688 * gimple.c: Include builtins.h
4689 (gimple_inexpensive_call_p): New function.
4690 * gimple.h (gimple_inexpensive_call_p): Declare.
4691 * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Use it.
4692 * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Likewise;
4695 2016-06-07 Paolo Carlini <paolo.carlini@oracle.com>
4697 * diagnostic.c (diagnostic_impl, diagnostic_n_impl): New.
4698 (inform, inform_at_rich_loc, inform_n, warning, warning_at,
4699 warning_at_rich_loc, warning_n, pedwarn, permerror,
4700 permerror_at_rich_loc, error, error_n, error_at, error_at_rich_loc,
4701 sorry, fatal_error, internal_error, internal_error_no_backtrace):
4704 2016-06-07 Richard Biener <rguenther@suse.de>
4706 PR tree-optimization/71428
4707 * tree-ssa-math-opts.c (perform_symbolic_merge): Properly distinguish
4708 BIT_FIELD_REF op vs. load.
4710 2016-06-07 Richard Biener <rguenther@suse.de>
4713 * match.pd ((X | ~Y) -> Y <= X): Properly invert the comparison
4716 2016-06-06 John David Anglin <danglin@gcc.gnu.org>
4718 * config/pa/pa.md (call): Generate indirect long calls to non-local
4719 functions on TARGET_64BIT.
4720 (call_value): Likewise.
4722 2016-06-06 John David Anglin <danglin@gcc.gnu.org>
4724 * config/pa/pa.md (call_val_reg_64bit): Remove "reg: DI " clobber from
4725 pattern and subsequent splitters.
4726 (call_val_reg_64bit_post_reload): Likewise.
4728 2016-06-07 Kugan Vivekanandarajah <kuganv@linaro.org>
4731 * tree-ssa-reassoc.c (zero_one_operation): Fix NEGATE_EXPR operand for
4732 propagate_op_to_single_use.
4734 2016-06-07 Kugan Vivekanandarajah <kuganv@linaro.org>
4737 * tree-ssa-reassoc.c (reassociate_bb): Set uid for negate stmt.
4739 2016-06-07 Uros Bizjak <ubizjak@gmail.com>
4741 * config/i386/i386.h (enum ix86_enitity): Add X86_DIRFLAG.
4742 (enum x86_dirflag_state): New enum.
4743 (NUM_MODES_FOR_MODE_SWITCHING): Add X86_DIRFLAG_ANY.
4744 (machine_function): Remove needs_cld.
4745 (ix86_current_function_needs_cld): Remove.
4746 * config/i386/i386.c (ix86_set_func_type): Set
4747 ix86_optimize_mode_switching[X86_DIRFLAG] to 1.
4748 (ix86_expand_prologue): Do not emit CLD here.
4749 (ix86_dirflag_mode_needed): New function.
4750 (ix86_dirflag_mode_entry): Ditto.
4751 (ix86_mode_needed): Handle X86_DIRFLAG entity.
4752 (ix86_mode_after): Ditto.
4753 (ix86_mode_entry): Ditto.
4754 (ix86_mode_exit): Ditto.
4755 (ix86_emit_mode_set): Ditto.
4756 * config/i386/i386.md (strmov_singleop): Set
4757 ix86_optimize_mode_switching[X86_DIRFLAG] to 1 for TARGET_CLD.
4758 Do not set ix86_current_function_needs_cld.
4760 (strset_singleop): Ditto.
4762 (cmpstrnqi_nz_1): Ditto.
4763 (cmpstrnqi_1): Ditto.
4764 (strlenqi_1): Ditto.
4766 2016-06-06 Jakub Jelinek <jakub@redhat.com>
4768 PR tree-optimization/71259
4769 * tree-vect-slp.c (vect_get_constant_vectors): For
4770 VECTOR_BOOLEAN_TYPE_P, return all ones constant instead of
4771 one for constant op, and use COND_EXPR for non-constant.
4773 2016-06-06 David Malcolm <dmalcolm@redhat.com>
4775 * Makefile.in (OBJS): Add function-tests.o,
4776 hash-map-tests.o, hash-set-tests.o, rtl-tests.o,
4777 selftest-run-tests.o.
4778 (OBJS-libcommon): Add selftest.o.
4779 (OBJS-libcommon-target): Add selftest.o.
4780 (all.internal): Add "selftest".
4781 (all.cross): Likewise.
4782 (selftest): New phony target.
4783 (s-selftest): New target.
4784 (selftest-gdb): New phony target.
4785 (COLLECT2_OBJS): Add selftest.o.
4786 * bitmap.c: Include "selftest.h".
4787 (selftest::test_gc_alloc): New function.
4788 (selftest::test_set_range): New function.
4789 (selftest::test_clear_bit_in_middle): New function.
4790 (selftest::test_copying): New function.
4791 (selftest::test_bitmap_single_bit_set_p): New function.
4792 (selftest::bitmap_c_tests): New function.
4793 * common.opt (fself-test): New.
4794 * diagnostic-show-locus.c: Include "selftest.h".
4795 (make_range): New function.
4796 (test_range_contains_point_for_single_point): New function.
4797 (test_range_contains_point_for_single_line): New function.
4798 (test_range_contains_point_for_multiple_lines): New function.
4799 (assert_eq): New function.
4800 (test_get_line_width_without_trailing_whitespace): New function.
4801 (selftest::diagnostic_show_locus_c_tests): New function.
4802 * et-forest.c: Include "selftest.h".
4803 (selftest::test_single_node): New function.
4804 (selftest::test_simple_tree): New function.
4805 (selftest::test_disconnected_nodes): New function.
4806 (selftest::et_forest_c_tests): New function.
4807 * fold-const.c: Include "selftest.h".
4808 (selftest::assert_binop_folds_to_const): New function.
4809 (selftest::assert_binop_folds_to_nonlvalue): New function.
4810 (selftest::test_arithmetic_folding): New function.
4811 (selftest::fold_const_c_tests): New function.
4812 * function-tests.c: New file.
4813 * gimple.c: Include "selftest.h".
4814 Include "gimple-pretty-print.h".
4815 (selftest::verify_gimple_pp): New function.
4816 (selftest::test_assign_single): New function.
4817 (selftest::test_assign_binop): New function.
4818 (selftest::test_nop_stmt): New function.
4819 (selftest::test_return_stmt): New function.
4820 (selftest::test_return_without_value): New function.
4821 (selftest::gimple_c_tests): New function.
4822 * hash-map-tests.c: New file.
4823 * hash-set-tests.c: New file.
4824 * input.c: Include "selftest.h".
4825 (selftest::assert_loceq): New function.
4826 (selftest::test_accessing_ordinary_linemaps): New function.
4827 (selftest::test_unknown_location): New function.
4828 (selftest::test_builtins): New function.
4829 (selftest::test_reading_source_line): New function.
4830 (selftest::input_c_tests): New function.
4831 * rtl-tests.c: New file.
4832 * selftest-run-tests.c: New file.
4833 * selftest.c: New file.
4834 * selftest.h: New file.
4835 * spellcheck.c: Include "selftest.h".
4836 (selftest::levenshtein_distance_unit_test_oneway): New function,
4837 adapted from testsuite/gcc.dg/plugin/levenshtein_plugin.c.
4838 (selftest::levenshtein_distance_unit_test): Likewise.
4839 (selftest::spellcheck_c_tests): Likewise.
4840 * toplev.c: Include selftest.h.
4841 (toplev::run_self_tests): New.
4842 (toplev::main): Handle -fself-test.
4843 * toplev.h (toplev::run_self_tests): New.
4844 * tree.c: Include "selftest.h".
4845 (selftest::test_integer_constants): New function.
4846 (selftest::test_identifiers): New function.
4847 (selftest::test_labels): New function.
4848 (selftest::tree_c_tests): New function.
4849 * tree-cfg.c: Include "selftest.h".
4850 (selftest::push_fndecl): New function.
4851 (selftest::test_linear_chain): New function.
4852 (selftest::test_diamond): New function.
4853 (selftest::test_fully_connected): New function.
4854 (selftest::tree_cfg_c_tests): New function.
4855 * vec.c: Include "selftest.h".
4856 (selftest::safe_push_range): New function.
4857 (selftest::test_quick_push): New function.
4858 (selftest::test_safe_push): New function.
4859 (selftest::test_truncate): New function.
4860 (selftest::test_safe_grow_cleared): New function.
4861 (selftest::test_pop): New function.
4862 (selftest::test_safe_insert): New function.
4863 (selftest::test_ordered_remove): New function.
4864 (selftest::test_unordered_remove): New function.
4865 (selftest::test_block_remove): New function.
4866 (selftest::reverse_cmp): New function.
4867 (selftest::test_qsort): New function.
4868 (selftest::vec_c_tests): New function.c.
4869 * wide-int.cc: Include selftest.h and wide-int-print.h.
4870 (selftest::from_int <wide_int>): New function.
4871 (selftest::from_int <offset_int>): New function.
4872 (selftest::from_int <widest_int>): New function.
4873 (selftest::assert_deceq): New function.
4874 (selftest::assert_hexeq): New function.
4875 (selftest::test_printing <VALUE_TYPE>): New function template.
4876 (selftest::test_ops <VALUE_TYPE>): New function template.
4877 (selftest::test_comparisons <VALUE_TYPE>): New function template.
4878 (selftest::run_all_wide_int_tests <VALUE_TYPE>): New function
4880 (selftest::wide_int_cc_tests): New function.
4882 2016-06-06 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4885 * ifcvt.c (noce_try_ifelse_collapse): New function.
4887 (noce_process_if_block): Call noce_try_ifelse_collapse.
4888 * simplify-rtx.c (simplify_cond_clz_ctz): New function.
4889 (simplify_ternary_operation): Use the above to simplify
4890 conditional CLZ/CTZ expressions.
4892 2016-06-06 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4895 * config/aarch64/aarch64.md (ctz<mode>2): Convert to
4896 define_insn_and_split.
4898 2016-06-06 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4901 * config/arm/arm.md (ctzsi2): Convert to define_insn_and_split.
4903 2016-06-06 Bernd Edlinger <bernd.edlinger@hotmail.de>
4906 * cfgexpand.c (expand_asm_loc): Remove handling for ADDR_EXPR.
4907 Implicitly clobber memory for basic asm with non-empty assembler
4908 string. Use targetm.md_asm_adjust also here.
4909 * compare-elim.c (arithmetic_flags_clobber_p): Use asm_noperands here.
4910 * final.c (final_scan_insn): Handle basic asm in PARALLEL block.
4911 * gimple.c (gimple_asm_clobbers_memory_p): Handle basic asm with
4912 non-empty assembler string.
4913 * ira.c (compute_regs_asm_clobbered): Use asm_noperands here.
4914 * recog.c (asm_noperands): Handle basic asm in PARALLEL block.
4915 (decode_asm_operands): Handle basic asm in PARALLEL block.
4916 (extract_insn): Handle basic asm in PARALLEL block.
4917 * doc/extend.texi: Mention new behavior of basic asm.
4918 * config/ia64/ia64 (rtx_needs_barrier): Handle ASM_INPUT here.
4919 * config/pa/pa.c (branch_to_delay_slot_p, branch_needs_nop_p,
4920 branch_needs_nop_p): Use asm_noperands.
4922 2016-06-06 Jose E. Marchesi <jose.marchesi@oracle.com>
4924 * config/sparc/sparc.md (cpu): Add niagara7 cpu type.
4925 Include the M7 SPARC DFA scheduler.
4926 New attribute v3pipe.
4927 Annotate insns with v3pipe where appropriate.
4928 Define cpu_feature vis4.
4929 Add lzd instruction type and set it on clzdi_sp64 and clzsi_sp64.
4930 Add (V8QI "8") to vbits.
4931 Add insns {add,sub}v8qi3
4932 Add insns ss{add,sub}v8qi3
4933 Add insns us{add,sub}{v8qi,v4hi}3
4934 Add insns {min,max}{v8qi,v4hi,v2si}3
4935 Add insns {minu,maxu}{v8qi,v4hi,v2si}3
4936 Add insns fpcmp{le,gt,ule,ug,ule,ugt}{8,16,32}_vis.
4937 * config/sparc/niagara4.md: Add a comment explaining the
4938 discrepancy between the documented latenty numbers and the
4940 * config/sparc/niagara7.md: New file.
4941 * configure.ac (HAVE_AS_SPARC5_VIS4): Define if the assembler
4942 supports SPARC5 and VIS 4.0 instructions.
4943 * configure: Regenerate.
4944 * config.in: Likewise.
4945 * config.gcc: niagara7 is a supported cpu in sparc*-*-* targets.
4946 * config/sparc/sol2.h (ASM_CPU32_DEFAUILT_SPEC): Set for
4947 TARGET_CPU_niagara7.
4948 (ASM_CPU64_DEFAULT_SPEC): Likewise.
4949 (CPP_CPU_SPEC): Handle niagara7.
4950 (ASM_CPU_SPEC): Likewise.
4951 * config/sparc/sparc-opts.h (processor_type): Add
4953 (mvis4): New option.
4954 * config/sparc/sparc.h (TARGET_CPU_niagara7): Define.
4955 (AS_NIAGARA7_FLAG): Define.
4956 (ASM_CPU64_DEFAULT_SPEC): Set for niagara7.
4957 (CPP_CPU64_DEFAULT_SPEC): Likewise.
4958 (CPP_CPU_SPEC): Handle niagara7.
4959 (ASM_CPU_SPEC): Likewise.
4960 * config/sparc/sparc.c (niagara7_costs): Define.
4961 (sparc_option_override): Handle niagara7 and adjust cache-related
4962 parameters with better values for niagara cpus. Also support VIS4.
4963 (sparc32_initialize_trampoline): Likewise.
4964 (sparc_use_sched_lookahead): Likewise.
4965 (sparc_issue_rate): Likewise.
4966 (sparc_register_move_cost): Likewise.
4967 (dump_target_flag_bits): Support VIS4.
4968 (sparc_vis_init_builtins): Likewise.
4969 (sparc_builtins): Likewise.
4970 * config/sparc/sparc-c.c (sparc_target_macros): Define __VIS__ for
4972 * config/sparc/driver-sparc.c (cpu_names): Add SPARC-M7 and
4974 * config/sparc/sparc.opt (sparc_processor_type): New value
4976 * config/sparc/visintrin.h (__attribute__): Prototypes for the
4978 * doc/invoke.texi (SPARC Options): Document -mcpu=niagara7 and
4980 * doc/extend.texi (SPARC VIS Built-in Functions): Document the
4983 2016-06-06 Jonathan Wakely <jwakely@redhat.com>
4985 * doc/sourcebuild.texi (Directives): Remove extra closing braces.
4987 2016-06-06 Richard Biener <rguenther@suse.de>
4989 PR tree-optimization/71398
4990 * tree-ssa-loop-ivcanon.c (unloop_loops): First unloop, then
4993 2016-06-05 James Bowman <james.bowman@ftdichip.com>
4995 * config/ft32/ft32.c (ft32_setup_incoming_varargs,
4996 ft32_expand_prolog, ft32_expand_epilogue):
4997 Handle pretend_args.
4998 * config/ft32/ft32.h: Remove OUTGOING_REG_PARM_STACK_SPACE.
4999 * config/ft32/ft32.md: Add pretend_returner.
5001 2016-06-06 Uros Bizjak <ubizjak@gmail.com>
5004 * config/i386/i386.c (ix86_avx256_split_vector_move_misalign):
5005 Copy op1 RTX to avoid invalid sharing.
5006 (ix86_expand_vector_move_misalign): Ditto.
5008 2016-06-05 John David Anglin <danglin@gcc.gnu.org>
5010 * expr.c (move_by_pieces_d::generate): Mark mode parameter with
5013 2016-06-05 Jan Hubicka <hubicka@ucw.cz>
5015 * predict.c (predicted_by_loop_heuristics_p): New function.
5016 (predict_iv_comparison): Use it.
5017 (predict_loops): Walk from innermost loops; do not predict edges
5018 leaving multiple loops multiple times; implement
5019 PRED_LOOP_ITERATIONS_MAX heuristics.
5020 * predict.def (PRED_LOOP_ITERATIONS_MAX): New predictor.
5022 2016-06-05 Jan Hubicka <hubicka@ucw.cz>
5024 * cfg.c (check_bb_profile): Do not report mismatched profiles when
5025 only edges out of BB are EH edges.
5027 2016-06-04 Martin Sebor <msebor@redhat.com>
5028 Marcin Baczyński <marbacz@gmail.com>
5031 * doc/invoke.texi (-Wreturn-type): Mention not warning on return with
5032 a void expression in a void function.
5034 2016-06-03 Jan Hubicka <hubicka@ucw.cz>
5036 * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Do not check
5037 aux; dump reasons of decisions.
5038 (should_duplicate_loop_header_p): Likewise.
5039 (do_while_loop_p): Likewise.
5040 (ch_base::copy_headers): Dump asi num insns duplicated.
5042 2016-06-04 Jakub Jelinek <jakub@redhat.com>
5044 PR tree-optimization/71405
5045 * tree-ssa.c (execute_update_addresses_taken): For clobber with
5046 incompatible type, build a new clobber with the right type instead
5047 of building a VIEW_CONVERT_EXPR around it.
5049 2016-06-04 Oleg Endo <olegendo@gcc.gnu.org>
5051 PR tree-optimization/52171
5052 * config/sh/sh.c (sh_use_by_pieces_infrastructure_p): Use
5053 by_pieces_ninsns instead of move_by_pieces_ninsns.
5055 2016-06-04 Oleg Endo <olegendo@gcc.gnu.org>
5057 * config/sh/sh.c (sh_print_operand_address): Don't use hardcoded 'r0'
5058 for reg+reg addressing mode.
5060 2016-06-03 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
5062 * rs6000-c.c (c/c-tree.h): Add #include.
5063 (altivec_resolve_overloaded_builtin): Handle ARRAY_TYPE arguments
5064 in C++ when found in the base position of vec_ld or vec_st.
5066 2016-06-03 Jan Hubicka <hubicka@ucw.cz>
5068 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop): Avoid
5069 use of profile unless profile status is PROFILE_READ.
5070 * profile.c (compute_branch_probabilities): Set profile status
5071 only after reporting predictor hitrates.
5073 2016-06-03 Joseph Myers <joseph@codesourcery.com>
5077 * common.opt (ffp-int-builtin-inexact): New option.
5078 * doc/invoke.texi (-fno-fp-int-builtin-inexact): Document.
5079 * doc/md.texi (floor@var{m}2, btrunc@var{m}2, round@var{m}2)
5080 (ceil@var{m}2): Document dependence on this option.
5081 * ipa-inline-transform.c (inline_call): Handle
5082 flag_fp_int_builtin_inexact.
5083 * ipa-inline.c (can_inline_edge_p): Likewise.
5084 * config/i386/i386.md (rintxf2): Do not test
5085 flag_unsafe_math_optimizations.
5086 (rint<mode>2_frndint): New define_insn.
5087 (rint<mode>2): Do not test flag_unsafe_math_optimizations for 387
5088 or !flag_trapping_math for SSE. Just use gen_rint<mode>2_frndint
5089 for 387 instead of extending and truncating.
5090 (frndintxf2_<rounding>): Test flag_fp_int_builtin_inexact ||
5091 !flag_trapping_math instead of flag_unsafe_math_optimizations.
5092 Change to frndint<mode>2_<rounding>.
5093 (frndintxf2_<rounding>_i387): Likewise. Change to
5094 frndint<mode>2_<rounding>_i387.
5095 (<rounding_insn>xf2): Likewise.
5096 (<rounding_insn><mode>2): Test flag_fp_int_builtin_inexact ||
5097 !flag_trapping_math instead of flag_unsafe_math_optimizations for
5098 x87. Test TARGET_ROUND || !flag_trapping_math ||
5099 flag_fp_int_builtin_inexact instead of !flag_trapping_math for
5100 SSE. Use ROUND_NO_EXC in constant operand of
5101 gen_sse4_1_round<mode>2. Just use gen_frndint<mode>2_<rounding>
5102 for 387 instead of extending and truncating.
5104 2016-06-03 H.J. Lu <hongjiu.lu@intel.com>
5105 Julia Koval <julia.koval@intel.com>
5117 * config/i386/i386-protos.h (ix86_epilogue_uses): New prototype.
5118 * config/i386/i386.c (ix86_conditional_register_usage): Preserve
5119 all registers, except for function return registers if there are
5120 no caller-saved registers.
5121 (ix86_set_func_type): New function.
5122 (ix86_set_current_function): Call ix86_set_func_type to set
5123 no_caller_saved_registers and func_type. Call reinit_regs if
5124 caller-saved registers are changed. Don't allow MPX, SSE, MMX
5125 nor x87 instructions in interrupt handler nor function with
5126 no_caller_saved_registers attribute.
5127 (ix86_function_ok_for_sibcall): Return false if there are no
5128 caller-saved registers.
5129 (type_natural_mode): Don't warn ABI change for MMX in interrupt
5131 (ix86_function_arg_advance): Skip for callee in interrupt handler.
5132 (ix86_function_arg): Return special arguments in interrupt handler.
5133 (ix86_promote_function_mode): Promote pointer to word_mode only
5134 for normal functions.
5135 (ix86_can_use_return_insn_p): Don't use `ret' instruction in
5137 (ix86_epilogue_uses): New function.
5138 (ix86_hard_regno_scratch_ok): Likewise.
5139 (ix86_save_reg): Preserve all registers in interrupt handler
5140 after reload. Preserve all registers, except for function return
5141 registers, if there are no caller-saved registers after reload.
5142 (find_drap_reg): Always use callee-saved register if there are
5143 no caller-saved registers.
5144 (ix86_minimum_incoming_stack_boundary): Return MIN_STACK_BOUNDARY
5145 for interrupt handler.
5146 (ix86_expand_prologue): Don't allow DRAP in interrupt handler.
5147 Emit cld instruction if stringops are used in interrupt handler
5148 or interrupt handler isn't a leaf function.
5149 (ix86_expand_epilogue): Generate interrupt return for interrupt
5150 handler and pop the 'ERROR_CODE' off the stack before interrupt
5151 return in exception handler.
5152 (ix86_expand_call): Disallow calling interrupt handler directly.
5153 If there are no caller-saved registers, mark all registers that
5154 are clobbered by the call which returns as clobbered.
5155 (ix86_handle_no_caller_saved_registers_attribute): New function.
5156 (ix86_handle_interrupt_attribute): Likewise.
5157 (ix86_attribute_table): Add interrupt and no_caller_saved_registers
5159 (TARGET_HARD_REGNO_SCRATCH_OK): Likewise.
5160 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Use argument
5161 accumulation in interrupt function if stack may be realigned to
5163 (EPILOGUE_USES): New.
5164 (function_type): New enum.
5165 (machine_function): Add func_type and no_caller_saved_registers.
5166 * config/i386/i386.md (UNSPEC_INTERRUPT_RETURN): New.
5167 (interrupt_return): New pattern.
5168 * doc/extend.texi: Document x86 interrupt and
5169 no_caller_saved_registers attributes.
5171 2016-06-03 Bernd Schmidt <bschmidt@redhat.com>
5173 PR tree-optimization/52171
5174 * builtins.c (expand_cmpstrn_or_cmpmem): Delete, moved elsewhere.
5175 (expand_builtin_memcmp): New arg RESULT_EQ. All callers changed.
5176 Look for constant strings. Move some code to emit_block_cmp_hints
5178 * builtins.def (BUILT_IN_MEMCMP_EQ): New.
5179 * defaults.h (COMPARE_MAX_PIECES): New macro.
5180 * expr.c (move_by_pieces_d, store_by_pieces_d): Remove old structs.
5181 (move_by_pieces_1, store_by_pieces_1, store_by_pieces_2): Remvoe.
5182 (clear_by_pieces_1): Don't declare. Move definition before use.
5183 (can_do_by_pieces): New static function.
5184 (can_move_by_pieces): Use it. Return bool.
5185 (by_pieces_ninsns): Renamed from move_by_pieces_ninsns. New arg
5186 OP. All callers changed. Handle COMPARE_BY_PIECES.
5187 (class pieces_addr); New.
5188 (pieces_addr::pieces_addr, pieces_addr::decide_autoinc,
5189 pieces_addr::adjust, pieces_addr::increment_address,
5190 pieces_addr::maybe_predec, pieces_addr::maybe_postinc): New member
5192 (class op_by_pieces_d): New.
5193 (op_by_pieces_d::op_by_pieces_d, op_by_pieces_d::run): New member
5195 (class move_by_pieces_d, class compare_by_pieces_d,
5196 class store_by_pieces_d): New subclasses of op_by_pieces_d.
5197 (move_by_pieces_d::prepare_mode, move_by_pieces_d::generate,
5198 move_by_pieces_d::finish_endp, store_by_pieces_d::prepare_mode,
5199 store_by_pieces_d::generate, store_by_pieces_d::finish_endp,
5200 compare_by_pieces_d::generate, compare_by_pieces_d::prepare_mode,
5201 compare_by_pieces_d::finish_mode): New member functions.
5202 (compare_by_pieces, emit_block_cmp_via_cmpmem): New static
5204 (expand_cmpstrn_or_cmpmem): Moved here from builtins.c.
5205 (emit_block_cmp_hints): New function.
5206 (move_by_pieces, store_by_pieces, clear_by_pieces): Rewrite to just
5207 use the newly defined classes.
5208 * expr.h (by_pieces_constfn): New typedef.
5209 (can_store_by_pieces, store_by_pieces): Use it in arg declarations.
5210 (emit_block_cmp_hints, expand_cmpstrn_or_cmpmem): Declare.
5211 (move_by_pieces_ninsns): Don't declare.
5212 (can_move_by_pieces): Change return value to bool.
5213 * target.def (TARGET_USE_BY_PIECES_INFRASTRUCTURE_P): Update docs.
5214 (compare_by_pieces_branch_ratio): New hook.
5215 * target.h (enum by_pieces_operation): Add COMPARE_BY_PIECES.
5216 (by_pieces_ninsns): Declare.
5217 * targethooks.c (default_use_by_pieces_infrastructure_p): Handle
5219 (default_compare_by_pieces_branch_ratio): New function.
5220 * targhooks.h (default_compare_by_pieces_branch_ratio): Declare.
5221 * doc/tm.texi.in (STORE_MAX_PIECES, COMPARE_MAX_PIECES): Document.
5222 * doc/tm.texi: Regenerate.
5223 * tree-ssa-strlen.c: Include "builtins.h".
5224 (handle_builtin_memcmp): New static function.
5225 (strlen_optimize_stmt): Call it for BUILT_IN_MEMCMP.
5226 * tree.c (build_common_builtin_nodes): Create __builtin_memcmp_eq.
5228 2016-06-03 Alan Hayward <alan.hayward@arm.com>
5230 * tree-vect-stmts.c (vect_stmt_relevant_p): Do not vectorize non live
5231 relevant stmts which are simple and invariant.
5232 * tree-vect-loop.c (vectorizable_live_operation): Check relevance
5233 instead of simple and invariant
5235 2016-06-03 Alan Hayward <alan.hayward@arm.com>
5237 * tree-vect-loop.c (vect_analyze_loop_operations): Allow live stmts.
5238 (vectorizable_reduction): Check for new relevant state.
5239 (vectorizable_live_operation): vectorize live stmts using
5240 BIT_FIELD_REF. Remove special case for gimple assigns stmts.
5241 * tree-vect-stmts.c (is_simple_and_all_uses_invariant): New function.
5242 (vect_stmt_relevant_p): Check for stmts which are only used live.
5243 (process_use): Use of a stmt does not inherit it's live value.
5244 (vect_mark_stmts_to_be_vectorized): Simplify relevance inheritance.
5245 (vect_analyze_stmt): Check for new relevant state.
5246 * tree-vectorizer.h (vect_relevant): New entry for a stmt which is used
5247 outside the loop, but not inside it.
5249 2016-06-03 Alan Hayward <alan.hayward@arm.com>
5251 * tree-vectorizer.h (vect_get_vec_def_for_operand_1): New.
5252 * tree-vect-stmts.c (vect_get_vec_def_for_operand_1): New.
5253 (vect_get_vec_def_for_operand): Split out code.
5255 2016-06-03 Segher Boessenkool <segher@kernel.crashing.org>
5257 * config/rs6000/rs6000.md (define_peepholes for two mfcr's): Delete.
5259 2016-06-03 Alan Hayward <alan.hayward@arm.com>
5261 * tree-vect-stmts.c (vectorizable_call) Remove GOMP_SIMD_LANE code.
5263 2016-06-03 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5265 * config/arm/thumb1.md (*thumb1_mulsi3): Fix typos in comment.
5267 2016-06-03 Jakub Jelinek <jakub@redhat.com>
5270 * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): If redirecting
5271 to noreturn e->callee->decl that has void return type and void
5272 arguments, adjust gimple_call_fntype and remove lhs even if it had
5273 previously addressable type.
5275 2016-06-02 Jeff Law <law@redhat.com>
5277 PR tree-optimization/71328
5278 * tree-ssa-threadupdate.c (duplicate_thread_path): Fix off-by-one
5279 error when checking for a jump back onto the copied path.
5281 2016-06-02 David Malcolm <dmalcolm@redhat.com>
5283 * config/microblaze/microblaze.c (get_branch_target): Add return
5284 NULL_RTX for the non-CALL_P case.
5285 (insert_wic_for_ilb_runout): Remove unused local "wic_addr1".
5286 (insert_wic): Remove unused local "j".
5288 2016-06-02 Martin Liska <mliska@suse.cz>
5290 * predict.def: Fix typo in PRED_FORTRAN_FAIL_IO display name.
5292 2016-06-02 H.J. Lu <hongjiu.lu@intel.com>
5293 Julia Koval <julia.koval@intel.com>
5295 * function.c (assign_parm_setup_stack): Force source into a
5297 * target.def (function_incoming_arg): Update documentation to
5298 allow arbitrary address computation based on hard register.
5299 * doc/tm.texi: Regenerated.
5301 2016-06-02 Martin Liska <mliska@suse.cz>
5303 * predict.c (combine_predictions_for_bb): Fix first match in
5304 cases where a first predictor contains more than one occurence
5305 in list of predictors. Take the best value in such case.
5307 2016-06-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5309 PR rtl-optimization/71295
5310 * rtlanal.c (subreg_get_info): If taking a subreg at the requested
5311 offset would go over the size of the inner mode reject it.
5313 2016-06-02 Jakub Jelinek <jakub@redhat.com>
5315 * config/i386/sse.md (*vec_concatv4si): Use v=v,v instead of
5316 x=x,x and v=v,m instead of x=x,m.
5318 * config/i386/sse.md (*vec_concatv2si_sse4_1): Add avx512dq v=Yv,rm
5319 alternative. Change x=x,x alternative to v=Yv,Yv and x=rm,C
5320 alternative to v=rm,C.
5322 * config/i386/sse.md (*vec_concatv2di): Add x86_avx512dq v=Yv,rm
5323 alternative. Change x=xm,C alternative to v=vm,C, x=x,x alternative
5324 to v=Yv,Yv and x=x,m to v=v,m. Use maybe_evex prefix attribute
5325 instead of vex for the last two above mentioned alternatives.
5327 2016-06-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5330 * config/arm/arm.c (arm_output_multireg_pop): Guard "pop" on update.
5332 2016-06-02 Segher Boessenkool <segher@kernel.crashing.org>
5334 * config/rs6000/dfp.md (trunctddd2): Correct the "length" attribute.
5336 2016-06-01 David Malcolm <dmalcolm@redhat.com>
5338 * config/rl78/rl78.c (rl78_expand_prologue): Convert local
5339 from int to unsigned.
5341 2016-05-31 Michael Meissner <meissner@linux.vnet.ibm.com>
5343 * config/rs6000/vsx.md (vsx_splat_<mode>, V2DI/V2DF): Simplify
5344 alternatives, eliminating preferred register class. Add support
5345 for the MTVSRDD instruction in ISA 3.0.
5346 (vsx_splat_v4si_internal): Use splat_input_operand instead of
5347 reg_or_indexed_operand.
5348 (vsx_splat_v4sf_internal): Likewise.
5350 2016-05-31 Michael Meissner <meissner@linux.vnet.ibm.com>
5353 * config/rs6000/vsx.md (xxspltib_<mode>_nosplit): Add alternatives
5354 for loading up all 0's or all 1's.
5356 2016-06-01 Thomas Preud'homme <thomas.preudhomme@arm.com>
5358 * doc/sourcebuild.texi (arm_acq_rel): Document new effective target.
5360 2016-06-01 Eduard Sanou <dhole@openmailbox.org>
5362 * doc/cppenv.texi: Note that the `%s` in `date` is a non-standard
5364 * gcc.c (driver_handle_option): Call set_source_date_epoch_envvar.
5365 * gcc.c (set_source_date_epoch_envvar): New function, sets
5366 the SOURCE_DATE_EPOCH environment variable to the current time.
5368 2016-06-01 Eric Botcazou <ebotcazou@adacore.com>
5370 * tree-vect-loop.c (vect_determine_vectorization_factor): Also compute
5371 the factor for live Phi nodes.
5373 2016-06-01 Jan Hubicka <hubicka@ucw.cz>
5375 * loop-dolop.c (doloop_optimize): Us likely max iteration bound.
5376 * tree-parloops.c (parallelize_loops): likewise.
5377 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop,
5378 tree_unswitch_outer_loop): likewise.
5380 2016-06-01 Jakub Jelinek <jakub@redhat.com>
5383 * gimplify.c (gimplify_omp_for): Temporarily clear gimplify_omp_ctxp
5384 around creation of the temporary.
5386 2016-06-01 Richard Biener <rguenther@suse.de>
5388 PR tree-optimization/71366
5389 * tree-ssa-loop-ivcanon.c (edges_to_remove): New global.
5390 (unloop_loops): Move removing edges here ...
5391 (try_unroll_loop_completely): ... from here.
5392 (try_peel_loop): ... and here.
5393 (tree_unroll_loops_completely_1): Track parent loops via
5394 bitmap of header BBs.
5395 (tree_unroll_loops_completely): Adjust for that.
5397 2016-06-01 Kelvin Nilsen <kelvin@gcc.gnu.org>
5399 * config/rs6000/altivec.h (vec_slv): New macro.
5400 (vec_srv): New macro.
5401 * config/rs6000/altivec.md (UNSPEC_VSLV): New value.
5402 (UNSPEC_VSRV): New value.
5405 * config/rs6000/rs6000-builtin.def (vslv): New builtin definition.
5406 (vsrv): New builtin definition.
5407 * config/rs6000/rs6000-c.c (P9V_BUILTIN_VSLV): Macro expansion to
5408 define argument types for new builtin.
5409 (P9V_BUILTIN_VSRV): Macro expansion to define argument types for
5411 * doc/extend.texi: Document the new vec_vslv and vec_srv built-in
5414 2016-06-01 Uros Bizjak <ubizjak@gmail.com>
5415 Jocelyn Mayer <l_indien@magic.fr>
5418 * config/i386/driver-i386.c (host_detect_local_cpu): Correctly
5419 detect processor family for signature_CENTAUR_ebx.
5420 <case PROCESSOR_I486>: Pass c3, winchip2 or winchip-c6 for
5421 signature_CENTAUR_ebx.
5422 <case PROCESSOR _PENTIUMPRO>: Pass c3-2 for signature_CENTAUR_ebx.
5423 <default>: Pass x86-64 for has_longmode.
5425 2016-06-01 Nathan Sidwell <nathan@acm.org>
5427 * config/nvptx/nvptx.c (nvptx_assemble_undefined_decl): Reject
5430 2016-06-01 Richard Biener <rguenther@suse.de>
5432 PR tree-optimization/71261
5433 * tree-vect-patterns.c (check_bool_pattern): Gather a hash-set
5434 of stmts successfully put in the bool pattern. Remove
5435 single-use restriction.
5436 (adjust_bool_pattern_cast): Add cast at the use site via the
5437 pattern def sequence.
5438 (adjust_bool_pattern): Remove recursion, maintain a hash-map
5439 of patterned defs. Use the pattern def seqence instead of
5440 multiple independent patterns.
5441 (sort_after_uid): New qsort compare function.
5442 (adjust_bool_stmts): New function to process stmts in the bool
5443 pattern in IL order.
5444 (vect_recog_bool_pattern): Adjust.
5445 * tree-if-conv.c (ifcvt_split_def_stmt): Remove.
5446 (ifcvt_walk_pattern_tree): Likewise.
5447 (stmt_is_root_of_bool_pattern): Likewise.
5448 (ifcvt_repair_bool_pattern): Likewise.
5449 (tree_if_conversion): Do not call ifcvt_repair_bool_pattern.
5451 2016-06-01 Jan Hubicka <hubicka@ucw.cz>
5453 * loop-unroll.c (decide_unroll_constant_iterations,
5454 decide_unroll_runtime_iterations, decide_unroll_stupid): Use
5455 likely upper bounds.
5456 * loop-iv.c (find_simple_exit): Dump likely upper bounds.
5458 2016-06-01 Thomas Schwinge <thomas@codesourcery.com>
5460 * tree-core.h (enum omp_clause_code): Remove
5461 OMP_CLAUSE_DEVICE_RESIDENT. Adjust all users.
5463 2016-06-01 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5465 * config/arm/sync.md (arm_store_exclusive<mode>):
5466 Use 'H' output modifier on operands[2] rather than creating a new
5467 entry in out-of-bounds memory of the operands array.
5468 (arm_store_release_exclusivedi): Likewise.
5470 2016-06-01 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5472 * config/arm/arm.c (arm_fusion_enabled_p): New function.
5473 * config/arm/arm-protos.h (arm_fusion_enabled_p): Declare prototype.
5474 * config/arm/crypto.md (crypto_<crypto_pattern>, CRYPTO_UNARY):
5475 Add "=w,0" alternative. Enable it when AES/AESMC fusion is enabled.
5477 2016-06-01 Eric Botcazou <ebotcazou@adacore.com>
5479 * tree-vect-loop.c (vect_determine_vectorization_factor): Also take
5480 into account live statements for mask producers.
5482 2016-06-01 Richard Biener <rguenther@suse.de>
5484 PR tree-optimization/71311
5485 * match.pd (@0 < @1 && @0 < @2 -> @0 < min(@1,@2)): Add :c and
5486 restrict to non-INTEGER_CST @0.
5488 2016-06-01 Richard Biener <rguenther@suse.de>
5490 * match.pd ((A & B) - (A & ~B) -> B - (A ^ B)): Add missing :c.
5491 (relational patterns): Use :c to avoid pattern duplications.
5493 2016-06-01 Richard Biener <rguenther@suse.de>
5495 * genmatch.c (comparison_code_p): New predicate.
5496 (swap_tree_comparison): New function.
5497 (commutate): Add for_vec parameter to append new for entries.
5498 Support commutating relational operators by swapping it alongside
5500 (lower_commutative): Adjust.
5501 (dt_simplify::gen): Do not pass artificial operators to gen
5503 (decision_tree::gen): Do not add artificial operators as parameters.
5504 (parser::parse_expr): Verify operator commutativity when :c is
5505 applied. Allow :C to override this.
5506 * match.pd: Adjust patterns to use :C instead of :c where required.
5508 2016-06-01 Patrick Palka <ppalka@gcc.gnu.org>
5510 PR tree-optimization/71077
5511 * tree-ssa-threadedge.c (simplify_control_stmt_condition_1): In
5512 the combining step, use boolean_false_node and boolean_true_node
5513 as the designated false/true return values.
5515 2016-05-31 Jan Hubicka <hubicka@ucw.cz>
5517 * predict.def (PRED_LOOP_EXTRA_EXIT): Define.
5518 * predict.c (predict_iv_comparison): Also check PRED_LOOP_EXTRA_EXIT.
5519 (predict_extra_loop_exits): Use PRED_LOOP_EXTRA_EXIT instead of
5522 2016-05-31 Jan Hubicka <hubicka@ucw.cz>
5524 * doc/invoke.texi (-frename-registers): Drop -fpeel-loops from list
5525 of flags impliying the register renaming.
5526 * toplev.c (process_options): Do not imply flag_rename_registers with
5529 2016-05-31 Oleg Endo <olegendo@gcc.gnu.org>
5531 * config/sh/sh.h (ASM_OUTPUT_SYMBOL_REF): Remove macro and use the
5532 default implementation.
5534 2016-05-31 Nathan Sidwell <nathan@acm.org>
5536 * dwarf2out.c (cur_line_info_table): Add GTY marker.
5538 2016-05-31 Oleg Endo <olegendo@gcc.gnu.org>
5540 * config/sh/constraints.md (b): Remove constraint.
5541 * config/sh/predicates.md (arith_reg_operand): Remove
5543 * config/sh/sh-modes.def (PDI): Remove.
5544 * config/sh/sh.c (sh_target_reg_class,
5545 sh_optimize_target_register_callee_saved): Remove functions.
5546 (sh_option_override): Don't set MASK_SAVE_ALL_TARGET_REGS.
5547 (sh_expand_epilogue): Update comment.
5548 (sh_hard_regno_mode_ok, sh_register_move_cost, calc_live_regs,
5549 sh_secondary_reload): Remove TARGET_REGS related code.
5550 * config/sh/sh.h (FIRST_TARGET_REG, LAST_TARGET_REG,
5551 TARGET_REGISTER_P): Remove macros.
5552 (SH_DBX_REGISTER_NUMBER, REG_ALLOC_ORDER): Remove target regs.
5553 * config/sh/sh.md (PR_MEDIA_REG, T_MEDIA_REG, FR23_REG, TR0_REG,
5554 TR1_REG, TR2_REG): Remove constants.
5555 * config/sh/sh.opt (SAVE_ALL_TARGET_REGS): Remove.
5557 2016-05-31 Oleg Endo <olegendo@gcc.gnu.org>
5559 * config/sh/sh.md (adddi3, subdi3, negdi2, abs<mode>2): Remove
5560 define_expand patterns.
5561 (adddi3_compact): Rename to adddi3.
5562 (subdi3_compact): Rename to subdi3.
5563 (*negdi2): Rename to negdi2.
5564 (*abs<mode>2): Rename to abs<mode>2.
5566 2016-05-31 Oleg Endo <olegendo@gcc.gnu.org>
5568 * config/rx/rx.md (FETCHOP_NO_MINUS): New code iterator.
5569 (atomic_<fetchop_name>_fetchsi): Extract minus operator into ...
5570 (atomic_sub_fetchsi): ... this new pattern.
5571 (mvtc): Add CC_REG clobber.
5573 2016-05-31 Marek Polacek <polacek@redhat.com>
5575 * gimplify.c (gimplify_switch_expr): Also handle GIMPLE_TRY.
5577 2016-05-31 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5579 * config/aarch64/aarch64.c (aarch_macro_fusion_pair_p): Use
5580 aarch64_fusion_enabled_p to check for fusion capabilities.
5582 2016-05-31 Richard Biener <rguenther@suse.de>
5584 PR tree-optimization/71352
5585 * tree-ssa-reassoc.c (zero_one_operation): Handle op equal to
5586 minus one and a negate.
5588 2016-05-31 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5590 * config/aarch64/aarch64.c (aarch64_simd_attr_length_move): Delete.
5591 * config/aarch64/aarch64-protos.h (aarch64_simd_attr_length_move):
5593 * config/aarch64/iterators.md (insn_count): Add descriptive comment.
5594 * config/aarch64/aarch64-simd.md (*aarch64_mov<mode>, VSTRUCT modes):
5595 Remove use of aarch64_simd_attr_length_move, set length attribute
5597 (*aarch64_be_movoi): Likewise.
5598 (*aarch64_be_movci): Likewise.
5599 (*aarch64_be_movxi): Likewise.
5601 2016-05-31 Jan Hubicka <hubicka@ucw.cz>
5603 * loop-init.c (gate): Do not enale RTL loop unroller with -fpeel-loops.
5604 It no longer does that.
5605 * toplev.c (process_options): Do not enable flag_web with -fpeel-loops.
5607 2016-05-31 Wladimir J. van der Laan <laanwj@gmail.com>
5609 * config/aarch64/arm_neon.h (vdupb_laneq_s8): Remove spurious
5610 attribute __unused__.
5612 2016-05-31 Thomas Preud'homme <thomas.preudhomme@arm.com>
5614 * config/arm/arm-protos.h (arm_arch_thumb1): Declare.
5615 * config/arm/arm.c (arm_arch_thumb1): Define.
5616 (arm_option_override): Initialize arm_arch_thumb1.
5617 * config/arm/arm.h (arm_arch_thumb1): Declare.
5618 (TARGET_ARM_ARCH_ISA_THUMB): Use arm_arch_thumb to determine if target
5619 support Thumb-1 ISA.
5621 2016-05-31 Kirill Yukhin <kirill.yukhin@intel.com>
5624 * config/i386/sse.md (define_insn_and_split "*vec_extractv4sf_0"): Use
5625 `Yv' for scalar operand.
5627 2016-05-31 Tom de Vries <tom@codesourcery.com>
5629 PR tree-optimization/69068
5630 * graphite-isl-ast-to-gimple.c (copy_bb_and_scalar_dependences): Handle
5631 phis with more than two args.
5633 2016-05-30 Andreas Tobler <andreast@gcc.gnu.org>
5635 * config.gcc: Move hard float support for arm*hf*-*-freebsd* into
5636 armv6*-*-freebsd* for FreeBSD 11. Eliminate the arm*hf*-*-freebsd*
5639 2016-05-30 Jose E. Marchesi <jose.marchesi@oracle.com>
5641 * config.gcc (sparc*-*-*): Support cpu_32, cpu_64, tune_32 and
5643 * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
5645 * config/sparc/linux64.h (OPTION_DEFAULT_SPECS): Add entries for
5646 cpu_32, cpu_64, tune_32 and tune_64.
5647 * config/sparc/sol2.h (OPTION_DEFAULT_SPECS): Likewise.
5649 2016-05-30 Uros Bizjak <ubizjak@gmail.com>
5651 * config/i386/sync.md (mfence_nosse): Use "lock orl $0, -4(%esp)".
5653 2016-05-30 Andi Kleen <ak@linux.intel.com>
5655 * auto-profile.c (read_profile): Replace asserts with errors
5656 when file does not exist.
5657 * gcov-io.c (gcov_read_words): Dito.
5659 2016-05-30 Jan Hubicka <hubicka@ucw.cz>
5661 * tree-cfg.c (print_loop): Print likely upper bounds.
5663 2016-05-30 Jan Hubicka <hubicka@ucw.cz>
5665 * doc/invoke.texi (-fpeel-loops,-O3): Update documentation.
5666 * opts.c (default_options): Enable peel loops at -O3.
5667 * tree-ssa-loop-ivcanon.c (peeled_loops): New static var.
5668 (try_peel_loop): Do not re-peel already peeled loops;
5669 use likely upper bounds; fix profile updating.
5670 (pass_complete_unroll::execute): Initialize peeled_loops.
5672 2016-05-30 Martin Liska <mliska@suse.cz>
5674 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Scale
5675 computed costs by frequency of BB they belong to.
5676 (get_scaled_computation_cost_at): New function.
5678 2016-05-30 Alexander Monakov <amonakov@ispras.ru>
5679 Marc Glisse <marc.glisse@inria.fr>
5681 PR tree-optimization/71289
5682 * match.pd (-1 / B < A, A > -1 / B): New transformations.
5684 2016-05-30 Jan Hubicka <hubicka@ucw.cz>
5686 * tree-vect-loop.c (vect_transform_loop): Update likely bounds.
5688 2016-05-30 Jan Hubicka <hubicka@ucw.cz>
5690 * tree-ssa-loop-ivcanon.c (try_peel_loop): Correctly set wont_exit
5691 for peeled copies; avoid underflow when updating estimates; correctly
5694 2016-05-30 Kugan Vivekanandarajah <kuganv@linaro.org>
5696 * tree-ssa-reassoc.ci (swap_ops_for_binary_stmt): Fix typo from commit
5697 r236875. Corrected oe3 to oe2 as obvious.
5699 2016-05-30 Kugan Vivekanandarajah <kuganv@linaro.org>
5703 * tree-ssa-reassoc.c (insert_stmt_before_use): Use find_insert_point so
5704 that inserted stmt will not dominate stmts that defines its operand.
5705 (rewrite_expr_tree): Add stmt_to_insert before adding the use stmt.
5706 (rewrite_expr_tree_parallel): Likewise.
5708 2016-05-30 Kugan Vivekanandarajah <kuganv@linaro.org>
5711 * tree-ssa-reassoc.c (swap_ops_for_binary_stmt): Fix swap such that
5712 all fields including stmt_to_insert are swapped.
5714 2016-05-30 Jan Hubicka <hubicka@ucw.cz>
5716 * predict.h (force_edge_cold): Declare.
5717 * predict.c (force_edge_cold): New function.
5718 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Fix profile
5720 (canonicalize_loop_induction_variables): Fix formating.
5722 2016-05-30 Eric Botcazou <ebotcazou@adacore.com>
5724 * config/visium/visium.c (visium_split_double_add): Minor tweaks.
5725 (visium_expand_copysign): Use gen_int_mode directly.
5726 (visium_compute_frame_size): Minor tweaks.
5728 2016-05-30 Jan Hubicka <hubicka@ucw.cz>
5730 * tree-vect-loop.c (vect_analyze_loop_2): Use
5731 likely_max_stmt_executions_int.
5733 2016-05-30 Tom de Vries <tom@codesourcery.com>
5735 PR tree-optimization/69067
5736 * graphite-isl-ast-to-gimple.c (get_def_bb_for_const): Remove assert.
5738 2016-05-29 Uros Bizjak <ubizjak@gmail.com>
5741 * config/i386/sync.md (define_peephole2 atomic_storedi_fpu):
5742 New peepholes to remove unneeded fild/fistp pairs.
5743 (define_peephole2 atomic_loaddi_fpu): Ditto.
5745 2016-05-27 Jan Hubicka <hubicka@ucw.cz>
5747 * predict.c (maybe_hot_frequency_p): Avoid division.
5749 2016-05-28 Gerald Pfeifer <gerald@pfeifer.com>
5751 * doc/install.texi: Use https for shop.fsf.org.
5753 2016-05-27 Jan Hubicka <hubicka@ucw.cz>
5755 * tree-ssa-loop-ivopts.c (estimated_stmt_executions_int): Use
5756 likely_max_stmt_executions_int.
5758 2016-05-27 Jan Hubicka <hubicka@ucw.cz>
5760 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Use
5761 likely_max_stmt_executions_int.
5763 2016-05-27 Jan Hubicka <hubicka@ucw.cz>
5765 * profile.c (compute_branch_probabilities): Do not report hitrates
5767 (branch_prob): Report hitrates here.
5768 * predict.c (gimple_predict_edge): Do not assert profile status;
5769 fix formatting issues.
5771 2016-05-27 Jan Hubicka <hubicka@ucw.cz>
5773 * predict.c (edge_predicted_by_p): New function.
5774 (predict_paths_for_bb): Do not put multiple predictions of the same type
5777 2016-05-27 Jan Hubicka <hubicka@ucw.cz>
5779 * tree-ssa-loop-niter.c (number_of_iterations_exit): Revert accidental
5782 2016-05-28 Alan Modra <amodra@gmail.com>
5784 * dominance.c (verify_dominators): Don't segfault on NULL imm_bb.
5786 2016-05-28 Alan Modra <amodra@gmail.com>
5788 PR rtl-optimization/71275
5789 * ira.c (ira): Free dominance info.
5791 2016-05-27 Gerald Pfeifer <gerald@pfeifer.com>
5793 * doc/sourcebuild.texi: New address for upstream Go repository.
5795 2016-05-27 Thomas Preud'homme <thomas.preudhomme@arm.com>
5797 * config/arm/arm.h (TARGET_ARM_V6M): Remove.
5798 (TARGET_ARM_V7M): Likewise.
5800 2016-05-26 Jeff Law <law@redhat.com>
5802 * tree-ssa-threadedge.c: Remove include of tree-ssa-threadbackward.h.
5803 (thread_across_edge): Remove calls to find_jump_threads_backwards.
5804 * passes.def: Add jump threading passes before DOM/VRP.
5805 * tree-ssa-threadbackward.c (find_jump_threads_backwards): Change
5806 argument to a basic block from an edge. Remove tests which are
5808 (pass_data_thread_jumps, class pass_thread_jumps): New.
5809 (pass_thread_jumps::gate, pass_thread_jumps::execute): New.
5810 (make_pass_thread_jumps): Likewise.
5811 * tree-pass.h (make_pass_thread_jumps): Declare.
5813 2016-05-27 Eric Botcazou <ebotcazou@adacore.com>
5815 * config/visium/visium-protos.h (split_double_move): Rename into...
5816 (visium_split_double_move): ...this.
5817 (visium_split_double_add): Declare.
5818 * config/visium/visium.c (split_double_move): Rename into...
5819 (visium_split_double_move): ...this.
5820 (visium_split_double_add): New function.
5821 (visium_expand_copysign): Renumber operands for consistency.
5822 * config/visium/visium.md (DImode move splitter): Adjust to renaming.
5823 (DFmode move splitter): Likewise.
5824 (*addi3_insn): Split by means of visium_split_double_add.
5825 (*adddi3_insn_flags): Delete.
5826 (*plus_plus_sltu<subst_arith>): New insn.
5827 (*subdi3_insn): Split by means of visium_split_double_add.
5828 (subdi3_insn_flags): Delete.
5829 (*minus_minus_sltu<subst_arith>): New insn.
5830 (*negdi2_insn): Split by means of visium_split_double_add.
5831 (*negdi2_insn_flags): Delete.
5833 2016-05-27 Ulrich Weigand <uweigand@de.ibm.com>
5835 * configure.ac: Treat a --with-headers option without argument
5836 the same as the default (i.e. consult sys-include directory).
5837 * configure: Regenerate.
5839 2016-05-27 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5841 * config/aarch64/aarch64.c (aarch64_fusion_enabled_p): New function.
5842 * config/aarch64/aarch64-protos.h (aarch64_fusion_enabled_p): Declare
5844 * config/aarch64/aarch64-simd.md (aarch64_crypto_aes<aesmc_op>v16qi):
5845 Add "=w,0" alternative. Enable it when AES/AESMC fusion is enabled.
5847 2016-05-27 Jiong Wang <jiong.wang@arm.com>
5850 * config/aarch64/aarch64.c (aarch64_expand_builtin_va_start): Honor
5851 tree-stdarg analysis results.
5852 (aarch64_setup_incoming_varargs): Likewise.
5854 2016-05-27 Jiong Wang <jiong.wang@arm.com>
5856 * config/aarch64/aarch64.c (aarch64_build_builtin_va_list): Initialize
5857 va_list_gpr_counter_field and va_list_fpr_counter_field.
5859 2016-05-27 Wilco Dijkstra <wdijkstr@arm.com>
5862 * config/aarch64/aarch64.h (CANNOT_CHANGE_MODE_CLASS): Remove.
5863 * config/aarch64/aarch64.c
5864 (aarch64_cannot_change_mode_class): Remove function.
5865 * config/aarch64/aarch64-protos.h
5866 (aarch64_cannot_change_mode_class): Remove.
5868 2016-05-27 Jan Hubicka <hubicka@ucw.cz>
5870 * cfgloop.c (record_niter_bound): Record likely upper bounds.
5871 (likely_max_stmt_executions_int, get_likely_max_loop_iterations,
5872 get_likely_max_loop_iterations_int): New.
5873 * cfgloop.h (struct loop): Add nb_iterations_likely_upper_bound,
5874 any_likely_upper_bound.
5875 (get_likely_max_loop_iterations_int, get_likely_max_loop_iterations):
5877 * cfgloopmanip.c (copy_loop_info): Copy likely upper bounds.
5878 * loop-unroll.c (unroll_loop_constant_iterations): Update likely
5880 (unroll_loop_constant_iterations): Likewise.
5881 (unroll_loop_runtime_iterations): Likewise.
5882 * lto-streamer-in.c (input_cfg): Stream likely upper bounds.
5883 * lto-streamer-out.c (output_cfg): Likewise.
5884 * tree-ssa-loop-ivcanon.c (try_peel_loop): Update likely upper
5886 (canonicalize_loop_induction_variables): Dump likely upper bounds.
5887 * tree-ssa-loop-niter.c (record_estimate): Record likely upper bounds.
5888 (likely_max_loop_iterations): New.
5889 (likely_max_loop_iterations_int): New.
5890 (likely_max_stmt_executions): New.
5891 * tree-ssa-loop-niter.h (likely_max_loop_iterations,
5892 likely_max_loop_iterations_int, likely_max_stmt_executions_int,
5893 likely_max_stmt_executions): Declare.
5895 2016-05-27 Marek Polacek <polacek@redhat.com>
5898 * gimple-fold.c (gimple_fold_call): Check that LHS is not null.
5900 2016-05-27 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
5902 * config/s390/s390.md (2x risbg splitters): Use
5903 reg_overlap_mentioned_p instead of rtx_equal_p.
5905 2016-05-27 Dominik Vogt <vogt@linux.vnet.ibm.com>
5907 * combine.c (make_compound_operation): Take known zero bits into
5908 account when checking for possible zero_extend.
5910 2016-05-27 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5912 * config/aarch64/aarch64.md (ashl<mode>3, SHORT modes):
5913 Use const_int_operand for operand 2 predicate. Simplify expand code
5916 2016-05-27 Ilya Enkovich <ilya.enkovich@intel.com>
5919 * fold-const.c (fold_ternary_loc): Don't fold VEC_COND_EXPR
5922 2016-05-27 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5924 * config/aarch64/aarch64-modes.def (CC_ZESWP, CC_SESWP): Delete.
5925 * config/aarch64/aarch64.c (aarch64_select_cc_mode): Remove condition
5926 that returns CC_SESWPmode and CC_ZESWPmode.
5927 (aarch64_get_condition_code_1): Remove handling of CC_SESWPmode
5929 (aarch64_rtx_costs): Likewise.
5931 2016-05-26 Michael Meissner <meissner@linux.vnet.ibm.com>
5933 * config/rs6000/rs6000.c (rs6000_emit_p9_fp_minmax): New function
5934 for ISA 3.0 min/max support.
5935 (rs6000_emit_p9_fp_cmove): New function for ISA 3.0 floating point
5936 conditional move support.
5937 (rs6000_emit_cmove): Call rs6000_emit_p9_fp_minmax and
5938 rs6000_emit_p9_fp_cmove if the ISA 3.0 instructions are
5940 * config/rs6000/rs6000.md (SFDF2): New iterator to allow doing
5941 conditional moves where the comparison type is different from move
5943 (fp_minmax): New code iterator for smin/smax.
5944 (minmax): New code attributes for min/max.
5945 (SMINMAX): Likewise.
5946 (smax<mode>3): Combine min, max insns into one insn using the
5947 fp_minmax code iterator. Add support for ISA 3.0 min/max
5948 instructions that don't need -ffast-math.
5949 (s<minmax><mode>3): Likewise.
5950 (smax<mode>3_vsx): Likewise.
5951 (smin<mode>3): Likewise.
5952 (s<minmax><mode>3_vsx): Likewise.
5953 (smin<mode>3_vsx): Likewise.
5954 (pre-VSX min/max splitters): Likewise.
5955 (s<minmax><mode>3_fpr): Likewise.
5956 (movsfcc): Rewrite floating point conditional moves to combine
5957 SFmode/DFmode into a single insn.
5958 (mov<mode>cc): Likewise.
5959 (movdfcc): Likewise.
5960 (fselsfsf4): Combine FSEL cases into a single insn, using SFDF and
5961 SFDF2 iterators to handle all combinations.
5962 (fseldfsf4): Likewise.
5963 (fsel<SFDF:mode><SFDF2:mode>4): Likewise.
5964 (fseldfdf4): Likewise.
5965 (fselsfdf4): Likewise.
5966 (mov<SFDF:mode><SFDF2:mode>cc_p9): Add support for the ISA 3.0
5967 comparison instructions that set a 0/-1 mask, and use it for
5968 floating point conditional move via XXSEL.
5969 (fpmask<mode>): Likewise.
5970 (xxsel<mode>): Likewise.
5971 * config/rs6000/predicates.md (min_max_operator): Delete, no
5973 (fpmask_comparison_operaton): New insn for ISA 3.0 comparison
5974 instructions that generate a 0/-1 mask for use with XXSEL.
5975 * config/rs6000/rs6000.h (TARGET_MINMAX_SF): New helper macros to
5976 say whether floating point min/max is available, either through
5977 FSEL, ISA 2.06 min/max, and ISA 3.0 min/max instrucitons.
5978 (TARGET_MINMAX_DF): Likewise.
5980 2016-05-27 Alan Modra <amodra@gmail.com>
5982 PR rtl-optimization/71275
5983 * ira.c (ira): Call loop_optimizer_init to set up bb_loop_depth
5984 for update_equiv_regs and combine_and_move_insns.
5986 2016-05-26 Uros Bizjak <ubizjak@gmail.com>
5988 * config/i386/i386.md (*movqi_internal) <attr "isa">: Use
5989 if_then_else or cond RTXes to calculate attribute value.
5990 * config/i386/mmx.md (*vec_extractv2sf_1) <attr "prefix_rep">: Ditto.
5991 <attr "length_immediate>: Ditto.
5992 (*vec_extractv2sf_1) <attr "length_immediate">: Ditto.
5993 * config/i386/sse.md (sse_loadlps) <attr "length_immediate">: Ditto.
5994 (*vec_concatv2sf_sse4_1) <attr "isa">: Ditto.
5995 <attr "type">: Ditto.
5996 <attr "prefix_data16">: Ditto.
5997 <attr "prefix_extra">: Ditto.
5998 <attr "length_immediate">: Ditto.
5999 <attr "prefix">: Ditto.
6000 (vec_set<mode>_0) <attr "isa">: Ditto.
6001 <attr "prefix_extra">: Ditto.
6002 <attr "length_immediate">: Ditto.
6003 <attr "prefix">: Ditto.
6004 (*vec_interleave_highv2df) <attr "prefix_data16">: Ditto.
6005 (*vec_interleave_lowv2df) <attr "prefix_data16">: Ditto.
6006 (sse2_storelpd) <attr "prefix_data16">: Ditto.
6007 (sse2_loadhpd) <attr "prefix_data16">: Ditto.
6008 (sse2_loadlpd) <attr "prefix_data16">: Ditto.
6009 <attr "length_immediate">: Ditto.
6010 <attr "prefix">: Ditto.
6011 (sse2_movsd) <attr "length_immediate">: Ditto.
6012 <attr "prefix">: Ditto.
6013 (vec_concatv2df) <attr "isa">: Ditto.
6014 <attr "prefix">: Ditto.
6015 (*vec_extractv4si) <attr "prefix_extra">: Ditto.
6016 (*vec_extractv2di_1) <attr "isa">: Ditto.
6017 <attr "type">: Ditto.
6018 <attr "length_immediate">: Ditto.
6019 <attr "prefix_rex">: Ditto.
6020 <attr "prefix_extra">: Ditto.
6021 (*vec_concatv2si_sse4_1) <attr "type">: Ditto.
6022 <attr "prefix_extra">: Ditto.
6023 <attr "length_immediate">: Ditto.
6024 (vec_concatv2di) <attr "isa">: Ditto.
6025 <attr "prefix_extra">: Ditto.
6026 <attr "length_immediate">: Ditto.
6027 <attr "prefix">: Ditto.
6029 2016-05-26 Martin Liska <mliska@suse.cz>
6031 * tree-ssa-loop-ivopts.c (comp_cost::infinite_cost_p): New
6033 (operator+): Likewise.
6034 (operator-): Likewise.
6035 (comp_cost::operator+=): Likewise.
6036 (comp_cost::operator-=): Likewise.
6037 (comp_cost::operator/=): Likewise.
6038 (comp_cost::operator*=): Likewise.
6039 (operator<): Likewise.
6040 (operator==): Likewise.
6041 (operator<=): Likewise.
6043 (infinite_cost_p): Likewise.
6044 (add_costs): Likewise.
6045 (sub_costs): Likewise.
6046 (compare_costs): Likewise.
6047 (set_group_iv_cost): Use the newly introduced functions.
6048 (get_address_cost): Likewise.
6049 (get_shiftadd_cost): Likewise.
6050 (force_expr_to_var_cost): Likewise.
6051 (split_address_cost): Likewise.
6052 (ptr_difference_cost): Likewise.
6053 (difference_cost): Likewise.
6054 (get_computation_cost_at): Likewise.
6055 (determine_group_iv_cost_generic): Likewise.
6056 (determine_group_iv_cost_address): Likewise.
6057 (determine_group_iv_cost_cond): Likewise.
6058 (autoinc_possible_for_pair): Likewise.
6059 (determine_group_iv_costs): Likewise.
6060 (cheaper_cost_pair): Likewise.
6061 (iv_ca_recount_cost): Likewise.
6062 (iv_ca_set_no_cp): Likewise.
6063 (iv_ca_set_cp): Likewise.
6064 (iv_ca_cost): Likewise.
6065 (iv_ca_new): Likewise.
6066 (iv_ca_dump): Likewise.
6067 (iv_ca_narrow): Likewise.
6068 (iv_ca_prune): Likewise.
6069 (iv_ca_replace): Likewise.
6070 (try_add_cand_for): Likewise.
6071 (try_improve_iv_set): Likewise.
6072 (find_optimal_iv_set): Likewise.
6074 2016-05-26 Richard Sandiford <richard.sandiford@arm.com>
6076 * tree-ssa-loop-ivopts.c (loop_body_includes_call): Don't assume
6077 that internal functions will clobber all caller-saved registers.
6079 2016-05-26 Wilco Dijkstra <wdijkstr@arm.com>
6081 * config/aarch64/aarch64.c (aarch64_case_values_threshold):
6082 Return a better case_values_threshold when optimizing.
6084 2016-05-26 Wilco Dijkstra <wdijkstr@arm.com>
6086 * config/aarch64/aarch64-simd.md (aarch64_combinez):
6087 Add ? to integer variant.
6088 (aarch64_combinez_be): Likewise.
6090 2016-05-26 Jakub Jelinek <jakub@redhat.com>
6092 * config/i386/sse.md (*vcvtps2ph_store<mask_name>): Use v constraint
6093 instead of x constraint.
6094 (vcvtps2ph256<mask_name>): Likewise.
6096 * config/i386/sse.md (*ssse3_palignr<mode>_perm): Add avx512bw
6097 alternative. Formatting fix.
6099 * config/i386/sse.md
6100 (<mask_codefor>avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Rename
6102 (avx512vl_shuf_<shuffletype>32x4_1<mask_name>): ... this.
6103 (*avx_vperm_broadcast_v4sf): Use v constraint instead of x. Use
6104 maybe_evex prefix instead of vex.
6105 (*avx_vperm_broadcast_<mode>): Use v constraint instead of x. Handle
6106 EXT_REX_SSE_REG_P (op0) case in the splitter.
6108 2016-05-25 Jeff Law <law@redhat.com>
6110 PR tree-optimization/71272
6111 * tree-ssa-threadbackward.c (convert_and_register_jump_thread_path):
6112 Update comments. Add test for empty path.
6114 2016-05-25 Bill Seurer <seurer@linux.vnet.ibm.com>
6116 * config/rs6000/altivec.h (vec_cmpne): Add #define for vec_cmpne.
6117 * config/rs6000/rs6000-builtin.def (vec_cmpne): Add vec_cmpne as a
6118 special case builtin.
6119 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
6120 code for ALTIVEC_BUILTIN_VEC_CMPNE.
6121 * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
6122 for __builtin_vec_cmpne.
6124 2016-05-25 Eric Botcazou <ebotcazou@adacore.com>
6126 * tree-ssa-phiopt.c (factor_out_conditional_conversion): Remove
6127 redundant test and bail out if the type of the new operand is not
6128 a GIMPLE register type after stripping a VIEW_CONVERT_EXPR.
6130 2016-05-25 Uros Bizjak <ubizjak@gmail.com>
6132 * config/i386/i386.opt (ix86_target_flags_explicit): Remove.
6133 (x_ix86_target_flags_explicit): Remove.
6134 * config/i386/i386.c (ix86_function_specific_save): Do not copy
6135 x_ix86_target_flags_explicit.
6136 (ix86_function_specific_restore): Ditto.
6138 2016-05-25 Uros Bizjak <ubizjak@gmail.com>
6139 H.J. Lu <hongjiu.lu@intel.com>
6142 * common/config/i386/i386-common.c
6143 (OPTION_MASK_ISA_GENERAL_REGS_ONLY_UNSET): New.
6144 (ix86_handle_option) <case OPT_mgeneral_regs_only>: Disable
6145 MPX, MMX, SSE and x87 instructions for -mgeneral-regs-only.
6146 * config/i386/i386.opt (ix86_target_flags): Add new Variable.
6147 (-mgeneral-regs-only): Add new option.
6148 * config/i386/i386.c (ix86_option_override_internal): Don't enable
6149 x87 instructions if only general registers are allowed.
6150 (ix86_target_string): Add ix86_flags argument. Handle additional
6151 flags options through ix86_flags argument. Update all callers.
6152 * doc/invoke.texi (x86 Options): Document -mgeneral-regs-only.
6154 2016-05-25 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
6156 PR rtl-optimization/66940
6157 * ifcvt.c (noce_get_alt_condition): Check that incrementing or
6158 decrementing desired_val will not overflow before performing these
6161 2016-05-25 Ilya Verbin <ilya.verbin@intel.com>
6163 * config/i386/i386-builtin-types.def: Add V16SI_FTYPE_V16SF,
6164 V8DF_FTYPE_V8DF_ROUND, V16SF_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF_ROUND.
6165 * config/i386/i386.c (enum ix86_builtins): Add
6166 IX86_BUILTIN_CVTPS2DQ512_MASK, IX86_BUILTIN_FLOORPS512,
6167 IX86_BUILTIN_FLOORPD512, IX86_BUILTIN_CEILPS512, IX86_BUILTIN_CEILPD512,
6168 IX86_BUILTIN_TRUNCPS512, IX86_BUILTIN_TRUNCPD512,
6169 IX86_BUILTIN_CVTPS2DQ512, IX86_BUILTIN_VEC_PACK_SFIX512,
6170 IX86_BUILTIN_FLOORPS_SFIX512, IX86_BUILTIN_CEILPS_SFIX512,
6171 IX86_BUILTIN_ROUNDPS_AZ_SFIX512.
6172 (builtin_description bdesc_args): Add __builtin_ia32_floorps512,
6173 __builtin_ia32_ceilps512, __builtin_ia32_truncps512,
6174 __builtin_ia32_floorpd512, __builtin_ia32_ceilpd512,
6175 __builtin_ia32_truncpd512, __builtin_ia32_cvtps2dq512,
6176 __builtin_ia32_vec_pack_sfix512, __builtin_ia32_roundps_az_sfix512,
6177 __builtin_ia32_floorps_sfix512, __builtin_ia32_ceilps_sfix512.
6178 Change IX86_BUILTIN_CVTPS2DQ512 to IX86_BUILTIN_CVTPS2DQ512_MASK for
6179 __builtin_ia32_cvtps2dq512_mask.
6180 (ix86_expand_args_builtin): Handle V8DF_FTYPE_V8DF_ROUND,
6181 V16SF_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF.
6182 (ix86_builtin_vectorized_function): Handle builtins mentioned above.
6183 * config/i386/sse.md
6184 (<mask_codefor>avx512f_fix_notruncv16sfv16si<mask_name><round_name>):
6186 (avx512f_fix_notruncv16sfv16si<mask_name><round_name>): ... this.
6187 (<mask_codefor>avx512f_cvtpd2dq512<mask_name><round_name>): Rename
6189 (avx512f_cvtpd2dq512<mask_name><round_name>): ... this.
6190 (avx512f_vec_pack_sfix_v8df): New define_expand.
6191 (avx512f_roundpd512): Rename to ...
6192 (avx512f_round<castmode>512): ... this. Change iterator.
6193 (avx512f_roundps512_sfix): New define_expand.
6194 (round<mode>2_sfix): Change iterator.
6196 2016-05-25 Nick Clifton <nickc@redhat.com>
6198 * config/msp430/msp430.c (msp430_attr): Produce an error if a
6199 static interrupt handler is detected.
6200 * config/msp430/msp430.h (LIB_SPEC): Do not use msp430.ld as the
6201 default linker script.
6202 * config/msp430/msp430.md (movpsihi2_lo): New pattern for loading
6203 the low part of a symbolic pointer.
6205 2016-05-25 Richard Biener <rguenther@suse.de>
6207 PR tree-optimization/71261
6208 * tree-if-conv.c (ifcvt_split_def_stmt): Walk uses on the
6209 interesting stmt instead of immediate uses when looking
6210 for the use operand to replace.
6212 2016-05-25 Martin Liska <mliska@suse.cz>
6214 * ipa-inline.c (edge_badness): Use 'w/' instead of 'w'.
6216 2016-05-25 Richard Biener <rguenther@suse.de>
6218 PR tree-optimization/71264
6219 * tree-vect-stmts.c (vect_init_vector): Properly deal with
6222 2016-05-25 Martin Liska <mliska@suse.cz>
6224 PR tree-optimization/71239
6225 * tree.c (array_at_struct_end_p): Do not call operand_equal_p
6226 if DECL_SIZE is NULL.
6228 2016-05-25 Richard Biener <rguenther@suse.de>
6230 * timevar.def (TV_TREE_LOOP_IFCVT): Add.
6231 * tree-if-conv.c (pass_data_if_conversion): Use it.
6233 2016-05-25 Bernd Edlinger <bernd.edlinger@hotmail.de>
6235 * cgraph.c (cgraph_node::get_availability): Fix typo in comment.
6236 * symtab.c (symtab_node::binds_to_current_def_p): Likewise.
6237 * varpool.c (varpool_node::get_availability): Likewise.
6239 2016-05-24 Michael Meissner <meissner@linux.vnet.ibm.com>
6241 * config/rs6000/altivec.md (VNEG iterator): New iterator for
6242 VNEGW/VNEGD instructions.
6243 (p9_neg<mode>2): New insns for ISA 3.0 VNEGW/VNEGD.
6244 (neg<mode>2): Add expander for V2DImode added in ISA 2.07, and
6245 support for ISA 3.0 VNEGW/VNEGD instructions.
6247 2016-05-24 Cesar Philippidis <cesar@codesourcery.com>
6249 * gimplify.c (omp_notice_variable): Use zero-length arrays for data
6250 pointers inside OACC_DATA regions.
6251 (gimplify_scan_omp_clauses): Prune firstprivate clause associated
6252 with OACC_DATA, OACC_ENTER_DATA and OACC_EXIT data regions.
6253 (gimplify_adjust_omp_clauses): Fix typo in comment.
6255 2016-05-24 Michael Meissner <meissner@linux.vnet.ibm.com>
6257 * config/rs6000/altivec.md (VParity): New mode iterator for vector
6258 parity built-in functions.
6259 (p9v_ctz<mode>2): Add support for ISA 3.0 vector count trailing
6261 (p9v_parity<mode>2): Likewise.
6262 * config/rs6000/vector.md (VEC_IP): New mode iterator for vector
6264 (ctz<mode>2): ISA 3.0 expander for vector count trailing zeros.
6265 (parity<mode>2): ISA 3.0 expander for vector parity.
6266 * config/rs6000/rs6000-builtin.def (BU_P9_MISC_1): New macros for
6268 (BU_P9_64BIT_MISC_0): Likewise.
6269 (BU_P9_MISC_0): Likewise.
6270 (BU_P9V_AV_1): Likewise.
6271 (BU_P9V_AV_2): Likewise.
6272 (BU_P9V_AV_3): Likewise.
6273 (BU_P9V_AV_P): Likewise.
6274 (BU_P9V_VSX_1): Likewise.
6275 (BU_P9V_OVERLOAD_1): Likewise.
6276 (BU_P9V_OVERLOAD_2): Likewise.
6277 (BU_P9V_OVERLOAD_3): Likewise.
6278 (VCTZB): Add vector count trailing zeros support.
6282 (VPRTYBD): Add vector parity support.
6283 (VPRTYBQ): Likewise.
6284 (VPRTYBW): Likewise.
6285 (VCTZ): Add overloaded vector count trailing zeros support.
6286 (VPRTYB): Add overloaded vector parity support.
6287 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
6288 overloaded vector count trailing zeros and parity instructions.
6289 * config/rs6000/rs6000.md (wd mode attribute): Add V1TI and TI for
6290 vector parity support.
6291 * config/rs6000/altivec.h (vec_vctz): Add ISA 3.0 vector count
6292 trailing zeros support.
6293 (vec_cntlz): Likewise.
6294 (vec_vctzb): Likewise.
6295 (vec_vctzd): Likewise.
6296 (vec_vctzh): Likewise.
6297 (vec_vctzw): Likewise.
6298 (vec_vprtyb): Add ISA 3.0 vector parity support.
6299 (vec_vprtybd): Likewise.
6300 (vec_vprtybw): Likewise.
6301 (vec_vprtybq): Likewise.
6302 * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
6303 the ISA 3.0 vector count trailing zeros and vector parity built-in
6306 2016-05-24 Kugan Vivekanandarajah <kuganv@linaro.org>
6308 * tree-ssa-reassoc.c (sort_by_operand_rank): Skip checking gimple_bb
6309 when there is stmt_to_insert.
6311 2016-05-24 Martin Sebor <msebor@redhat.com>
6314 * tree.h (complete_or_array_type_p): New inline function.
6316 2016-05-24 Jakub Jelinek <jakub@redhat.com>
6318 * config/i386/i386.h (TARGET_AVOID_4BYTE_PREFIXES): Define.
6319 * config/i386/constraints.md (Yr): Test TARGET_AVOID_4BYTE_PREFIXES
6320 rather than X86_TUNE_AVOID_4BYTE_PREFIXES.
6322 * config/i386/sse.md (<sse4_1>_round<ssemodesuffix><avxsizesuffix>):
6323 Limit 1st alternative to noavx isa, split 2nd alternative into one
6324 noavx and one avx alternative, use *x and Bm in the former and
6325 x and m in the latter.
6327 * config/i386/sse.md (vec_set<mode>_0): Use sse4_noavx isa instead
6328 of sse4 for the first alternative, drop %v from the template
6329 and d operand modifier. Split second alternative into one sse4_noavx
6330 and one avx alternative, use *x instead of *v in the former and v
6331 instead of *v in the latter.
6332 (*sse4_1_extractps): Use noavx isa instead of * for the first
6333 alternative, drop %v from the template. Split second alternative into
6334 one noavx and one avx alternative, use *x instead of *v in the
6335 former and v instead of *v in the latter.
6336 (<vi8_sse4_1_avx2_avx512>_movntdqa): Guard the first 2 alternatives
6337 with noavx and the last one with avx.
6338 (sse4_1_phminposuw): Guard first alternative with noavx isa,
6339 split the second one into one noavx and one avx alternative,
6340 use *x and Bm in the former and x and m in the latter one.
6341 (<sse4_1>_ptest<mode>): Use noavx instead of * for the first two
6344 * config/i386/sse.md (sse4_1_<code>v8qiv8hi2<mask_name>): Limit
6345 first two alternatives to noavx, use *x instead of *v in the second
6346 one, add avx alternative without *.
6347 (sse4_1_<code>v4qiv4si2<mask_name>, sse4_1_<code>v4hiv4si2<mask_name>,
6348 sse4_1_<code>v2qiv2di2<mask_name>, sse4_1_<code>v2hiv2di2<mask_name>,
6349 sse4_1_<code>v2siv2di2<mask_name>): Likewise.
6351 2016-05-24 Jeff Law <law@redhat.com>
6353 * tree-ssa-threadbackwards.c (convert_and_register_jump_thread_path):
6354 New function, extracted from...
6355 (fsm_find_control_statement_thread_paths): Here. Use the new function.
6356 Allow simple copies and constant initializations in the SSA chain.
6358 2016-05-24 Marek Polacek <polacek@redhat.com>
6361 * gimplify.c (gimplify_switch_expr): Look into the innermost lexical
6364 2016-05-24 Jakub Jelinek <jakub@redhat.com>
6367 * tree-vect-stmts.c (vectorizable_simd_clone_call): Handle
6368 SIMD_CLONE_ARG_TYPE_LINEAR_REF_CONSTANT_STEP like
6369 SIMD_CLONE_ARG_TYPE_LINEAR_CONSTANT_STEP. Add
6370 SIMD_CLONE_ARG_TYPE_LINEAR_VAL_CONSTANT_STEP and
6371 SIMD_CLONE_ARG_TYPE_LINEAR_UVAL_CONSTANT_STEP cases explicitly.
6373 2016-05-24 Richard Biener <rguenther@suse.de>
6375 PR tree-optimization/71240
6376 * tree-ssa-math-opts.c (init_symbolic_number): Verify the source
6379 2016-05-24 Richard Biener <rguenther@suse.de>
6381 PR tree-optimization/71230
6382 * tree-ssa-reassoc.c (zero_one_operation): Handle negate special ops.
6384 2016-05-24 Richard Sandiford <richard.sandiford@arm.com>
6386 * tree-vectorizer.h (vectorizable_comparison): Delete.
6387 * tree-vect-loop.c (vectorizable_reduction): Remove redundant
6388 PURE_SLP_STMT check.
6389 * tree-vect-stmts.c (vectorizable_call): Likewise.
6390 (vectorizable_simd_clone_call): Likewise.
6391 (vectorizable_conversion): Likewise.
6392 (vectorizable_assignment): Likewise.
6393 (vectorizable_shift): Likewise.
6394 (vectorizable_operation): Likewise.
6395 (vectorizable_load): Likewise.
6396 (vectorizable_condition): Likewise.
6397 (vectorizable_store): Likewise. Assert that we don't have
6399 (vectorizable_comparison): Make static. Remove redundant
6400 PURE_SLP_STMT check.
6401 (vect_transform_stmt): Assert that we always have an slp_node
6404 2016-05-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
6406 * config/arm/neon.md (ashldi3_neon): Replace comparison of INTVAL of
6407 operands[2] against 1 with comparison against CONST1_RTX.
6408 (<shift>di3_neon): Likewise.
6409 * config/arm/predicates.md (const0_operand): Replace with comparison
6412 2016-05-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
6414 * config/arm/arm.md (ashldi3): Replace comparison of INTVAL of
6415 operands[2] against 1 with comparison against CONST1_RTX.
6416 (ashrdi3): Likewise.
6417 (lshrdi3): Likewise.
6418 (ashlsi3): Replace cast of INTVAL to unsigned HOST_WIDE_INT with
6420 (ashrsi3): Likewise.
6421 (lshrsi3): Likewise.
6422 (rotrsi3): Likewise.
6423 (define_split above *compareqi_eq0): Likewise.
6424 (define_split above "prologue"): Likewise.
6425 * config/arm/arm.c (thumb1_size_rtx_costs): Likewise.
6426 * config/arm/predicates.md (shift_operator): Likewise.
6427 (shift_nomul_operator): Likewise.
6428 (sat_shift_operator): Likewise.
6429 (thumb1_cmp_operand): Likewise.
6430 (const_neon_scalar_shift_amount_operand): Replace manual range
6431 check with IN_RANGE.
6432 * config/arm/thumb1.md (define_peephole2 above *thumb_subdi3):
6433 Replace cast of INTVAL to unsigned HOST_WIDE_INT with UINTVAL.
6435 2016-05-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
6437 * config/arm/arm.md (andsi3): Replace cast of 1 to HOST_WIDE_INT
6438 with HOST_WIDE_INT_1.
6440 * config/arm/arm.c (optimal_immediate_sequence): Replace cast of
6441 1 to unsigned HOST_WIDE_INT with HOST_WIDE_INT_1U.
6442 (arm_canonicalize_comparison): Likewise.
6443 (thumb1_rtx_costs): Replace cast of 1 to HOST_WIDE_INT with
6445 (thumb1_size_rtx_costs): Likewise.
6446 (vfp_const_double_index): Replace cast of 1 to unsigned
6447 HOST_WIDE_INT with HOST_WIDE_INT_1U.
6448 (get_jump_table_size): Replace cast of 1 to HOST_WIDE_INT with
6450 (arm_asan_shadow_offset): Replace cast of 1 to unsigned
6451 HOST_WIDE_INT with HOST_WIDE_INT_1U.
6452 * config/arm/neon.md (vec_set<mode>): Replace cast of 1 to
6453 HOST_WIDE_INT with HOST_WIDE_INT_1.
6455 2016-05-24 Marek Polacek <polacek@redhat.com>
6457 * tree-cfg.h (should_remove_lhs_p): New predicate.
6458 * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Use it.
6459 * gimplify.c (gimplify_modify_expr): Likewise.
6460 * tree-cfg.c (verify_gimple_call): Likewise.
6461 * tree-cfgcleanup.c (fixup_noreturn_call): Likewise.
6462 * gimple-fold.c: Include "tree-cfg.h".
6463 (gimple_fold_call): Use should_remove_lhs_p.
6465 2016-05-24 Richard Biener <rguenther@suse.de>
6467 PR tree-optimization/71253
6468 * cfganal.h (control_dependences): Make robust against edge
6470 (control_dependences::control_dependences): Remove edge_list argument.
6471 (control_dependences::get_edge): Remove.
6472 (control_dependences::get_edge_src): Add.
6473 (control_dependences::get_edge_dest): Likewise.
6474 (control_dependences::m_el): Make a vector of edge src/dest index.
6475 * cfganal.c (control_dependences::find_control_dependence): Adjust.
6476 (control_dependences::control_dependences): Likewise.
6477 (control_dependences::~control_dependence): Likewise.
6478 (control_dependences::get_edge): Remove.
6479 (control_dependences::get_edge_src): Add.
6480 (control_dependences::get_edge_dest): Likewise.
6481 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Use
6483 (perform_tree_ssa_dce): Adjust.
6484 * tree-loop-distribution.c (create_edge_for_control_dependence): Use
6486 (pass_loop_distribution::execute): Adjust. Do loop destroying
6487 conditional on changed.
6489 2016-05-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
6492 * config/arm/arm.c (gen_operands_ldrd_strd): Remove bogus early
6493 return. Reindent transformation comment and mention the ARM state
6496 2016-05-24 Kugan Vivekanandarajah <kuganv@linaro.org>
6499 * tree-ssa-reassoc.c (rewrite_expr_tree_parallel): Add stmt_to_insert
6500 after build_and_add_sum creates new use stmt.
6502 2016-05-24 Richard Sandiford <richard.sandiford@arm.com>
6504 * tree-vect-stmts.c (vectorizable_load): Reorder checks so that
6505 load_lanes/grouped_load classification comes first. Don't check
6506 whether the vectorization factor is a multiple of the group size
6509 2016-05-24 Richard Sandiford <richard.sandiford@arm.com>
6511 * tree-vect-data-refs.c (vect_analyze_group_access_1): Set
6512 GROUP_GAP for single-element interleaving.
6513 * tree-vect-stmts.c (vectorizable_load): Remove force_peeling
6516 2016-05-24 Richard Biener <rguenther@suse.de>
6520 * tree-ssa.c (non_rewritable_mem_ref_base): Make sure to mark
6521 bases which are accessed with non-invariant indices.
6522 * gimple-fold.c (maybe_canonicalize_mem_ref_addr): Re-write
6523 constant index ARRAY_REFs of vectors into BIT_FIELD_REFs.
6525 2016-05-24 Kugan Vivekanandarajah <kuganv@linaro.org>
6528 * tree-ssa-reassoc.c (struct operand_entry): Add field stmt_to_insert.
6529 (add_to_ops_vec): Add stmt_to_insert.
6530 (add_repeat_to_ops_vec): Init stmt_to_insert.
6531 (insert_stmt_before_use): New.
6532 (transform_add_to_multiply): Remove mult_stmt insertion and add it
6534 (get_ops): Init stmt_to_insert.
6535 (maybe_optimize_range_tests): Likewise.
6536 (rewrite_expr_tree): Insert stmt_to_insert before use stmt.
6537 (rewrite_expr_tree_parallel): Likewise.
6538 (reassociate_bb): Likewise.
6540 2016-05-23 Michael Meissner <meissner@linux.vnet.ibm.com>
6543 * config/rs6000/altivec.md (altivec_vperm_<mode>_internal): Drop
6544 ISA 3.0 xxperm fusion alternative.
6545 (altivec_vperm_v8hiv16qi): Likewise.
6546 (altivec_vperm_<mode>_uns_internal): Likewise.
6547 (vperm_v8hiv4si): Likewise.
6548 (vperm_v16qiv8hi): Likewise.
6550 2016-05-23 Michael Meissner <meissner@linux.vnet.ibm.com>
6551 Kelvin Nilsen <kelvin@gcc.gnu.org>
6553 * config/rs6000/rs6000.c (rs6000_expand_vector_set): Generate
6554 vpermr/xxpermr on ISA 3.0.
6555 (altivec_expand_vec_perm_le): Likewise.
6556 * config/rs6000/altivec.md (UNSPEC_VPERMR): New unspec.
6557 (altivec_vpermr_<mode>_internal): Add VPERMR/XXPERMR support for
6560 2016-05-23 Uros Bizjak <ubizjak@gmail.com>
6562 * config/i386/i386.h (IS_STACK_MODE): Enable for
6563 TARGET_MIX_SSE_I387. Rewrite using X87_FLOAT_MODE_P and
6564 SSE_FLOAT_MODE_P macros.
6565 * config/i386/i386.c (ix86_preferred_reload_class): Use
6566 IS_STACK_MODE, INTEGER_CLASS_P, FLOAT_CLASS_P and Q_CLASS_P macros.
6567 Cleanup regclass processing for CONST_DOUBLE_P.
6568 (ix86_preferred_output_reload_class): Use IS_STACK_MODE macro.
6569 (ix86_rtx_costs): Remove redundant TARGET_80387 check
6570 with IS_STACK_MODE macro.
6571 * config/i386/i386.md: Replace SSE_FLOAT_MODE_P (DFmode)
6573 (*movdf_internal): Use IS_STACK_MODE macro.
6574 (*movsf_internal): Ditto.
6576 2016-05-23 Marc Glisse <marc.glisse@inria.fr>
6578 * match.pd (a * (1 << b), ~x & ~y, ~X ^ ~Y, (X ^ Y) ^ Y, ~ (-A),
6579 ~ (A - 1), ~(~X >> Y), ~(~X >>r Y)): Relax constraints.
6581 2016-05-23 Jeff Law <law@redhat.com>
6583 * tree-ssa-threadbackward.c (profitable_jump_thread_path): New function
6585 (fsm_find_control_statement_thread_paths): Call it.
6587 2016-05-23 Martin Jambor <mjambor@suse.cz>
6590 * ipa-cp.c (ipa_get_indirect_edge_target_1): Only check value of
6591 from_global_constant if t is not NULL.
6593 2016-05-23 Marek Polacek <polacek@redhat.com>
6596 * common.opt (Wswitch-unreachable): New option.
6597 * doc/invoke.texi: Document -Wswitch-unreachable.
6598 * gimplify.c (gimplify_switch_expr): Implement the -Wswitch-unreachable
6601 2016-05-23 Bin Cheng <bin.cheng@arm.com>
6603 * tree-ssa-address.c (copy_ref_info): Check NULL TMR_STEP when
6604 TMR_INDEX is non-NULL.
6606 2016-05-23 Richard Biener <rguenther@suse.de>
6608 PR tree-optimization/71230
6609 * tree-ssa-reassoc.c (acceptable_pow_call): Move initial condition...
6610 (try_special_add_to_ops): ... here. Always test for single-use.
6612 2016-05-23 Martin Jambor <mjambor@suse.cz>
6614 * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Create an empty
6615 default block if a PHI node in the original one would be resized.
6617 2016-05-23 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
6619 PR tree-optimization/58135
6620 * tree-vect-slp.c: When group size is not multiple
6621 of vector size, allow splitting of store group at
6624 2016-05-23 Christophe Lyon <christophe.lyon@linaro.org>
6626 * config/arm/arm_neon.h (vtst_p16, vtstq_p16): New.
6628 2016-05-22 Jakub Jelinek <jakub@redhat.com>
6630 * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
6631 vec_set_hi_<mode><mask_name>): Add && <mask_avx512dq_condition>
6632 condition. For !TARGET_AVX512DQ, emit 32x4 instruction instead
6635 * config/i386/sse.md (vec_set_lo_v16hi, vec_set_hi_v16hi,
6636 vec_set_lo_v32qi, vec_set_hi_v32qi): Add alternative with
6637 v constraint instead of x and vinserti32x4 insn.
6639 * config/i386/sse.md (i128vldq): New mode iterator.
6640 (avx2_vbroadcasti128_<mode>, avx_vbroadcastf128_<mode>): Add
6641 avx512dq and avx512vl alternatives.
6643 * config/i386/sse.md (avx2_vec_dupv4df): Use v instead of x
6644 constraint, use maybe_evex prefix instead of vex.
6645 (vec_dupv4sf): Use v constraint instead of x for output
6646 operand except for noavx alternative, use Yv constraint
6647 instead of x for input. Use maybe_evex prefix instead of vex.
6648 (*vec_dupv4si): Likewise.
6649 (*vec_dupv2di): Likewise.
6651 2016-05-22 Kugan Vivekanandarajah <kuganv@linaro.org>
6654 * tree-ssa-reassoc.c (try_special_add_to_ops): New.
6655 (linearize_expr_tree): Call try_special_add_to_ops.
6656 (reassociate_bb): Convert MULT_EXPR by (-1) to NEGATE_EXPR.
6658 2016-05-21 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
6660 * config/avr/avr.c (avr_expand_prologue): Add INCOMING_FRAME_SP_OFFSET
6661 to computed stack_usage.
6663 2016-05-21 Pitchumani Sivanupandi <pitchumani.s@atmel.com>
6666 * config/avr/avr.md (define_expand "mov<mode>"): If the source
6667 operand is subreg (symbol_ref) then move the symbol ref to register.
6669 2016-05-21 Jan Hubicka <hubicka@ucw.cz>
6671 * tree.c (array_at_struct_end_p): Look through MEM_REF.
6673 2016-05-21 Kugan Vivekanandarajah <kuganv@linaro.org>
6676 * tree-ssa-reassoc.c (transform_add_to_multiply): Disallow float
6679 2016-05-20 Eric Botcazou <ebotcazou@adacore.com>
6681 * tree-vrp.c (compare_values_warnv): Simplify handling of symbolic
6682 ranges by calling get_single_symbol and tidy up. Look more closely
6683 into NAME + CST1 vs CST2 comparisons if type overflow is undefined.
6685 2016-05-20 Jeff Law <law@redhat.com>
6687 * bitmap.c (bitmap_find_bit): Remove useless test.
6689 2016-05-20 Segher Boessenkool <segher@kernel.crashing.org>
6691 * function.c (thread_prologue_and_epilogue_insns): Commit the
6692 insertion of the epilogue.
6694 2016-05-20 Martin Jambor <mjambor@suse.cz>
6696 PR tree-optimization/70884
6697 * tree-sra.c (initialize_constant_pool_replacements): Do not check
6698 should_scalarize_away_bitmap and cannot_scalarize_away_bitmap bits.
6699 (sort_and_splice_var_accesses): Do not consider multiple scalar reads
6700 of constant pool data as a reason for scalarization.
6702 2016-05-20 Eric Botcazou <ebotcazou@adacore.com>
6704 * config/arm/arm.c (arm_expand_prologue): Set the stack usage to 0
6705 for naked functions.
6706 (thumb1_expand_prologue): Likewise.
6708 2016-05-20 Nathan Sidwell <nathan@acm.org>
6710 * config/nvptx/nptx.c (nvptx_option_override): Only set
6711 flag_toplevel_reorder, if not explicitly specified. Set
6712 flag_no_common, unless explicitly specified.
6714 2016-05-20 David Malcolm <dmalcolm@redhat.com>
6716 * calls.c (can_implement_as_sibling_call_p): Mark param
6717 reg_parm_stack_space with ATTRIBUTE_UNUSED.
6719 2016-05-20 Uros Bizjak <ubizjak@gmail.com>
6721 * config/i386/i386.c (ix86_rtx_costs) <case CONST_DOUBLE>:
6722 Use IS_STACK_MODE when calculating cost of standard 80387 constants.
6723 Fallthru to CONST_VECTOR case to calculate cost of standard SSE
6725 <case CONST_WIDE_INT>: Calculate cost of (MEM (SYMBOL_REF)).
6726 (ix86_legitimate_constant_p): Use CASE_CONST_SCALAR_INT
6729 2016-05-20 Cesar Philippidis <cesar@codesourcery.com>
6731 * config/nvptx/nvptx.md (sincossf3): New pattern.
6733 2016-05-20 David Malcolm <dmalcolm@redhat.com>
6735 * calls.c (maybe_complain_about_tail_call): New function.
6736 (initialize_argument_information): Call
6737 maybe_complain_about_tail_call when clearing *may_tailcall.
6738 (can_implement_as_sibling_call_p): Call
6739 maybe_complain_about_tail_call when returning false.
6740 (expand_call): Read CALL_EXPR_MUST_TAIL_CALL and, if set,
6741 ensure try_tail_call is set. Call maybe_complain_about_tail_call
6742 if tail-call optimization fails.
6743 * cfgexpand.c (expand_call_stmt): Initialize
6744 CALL_EXPR_MUST_TAIL_CALL from gimple_call_must_tail_p.
6745 * gimple-pretty-print.c (dump_gimple_call): Dump
6746 gimple_call_must_tail_p.
6747 * gimple.c (gimple_build_call_from_tree): Call
6748 gimple_call_set_must_tail with the value of
6749 CALL_EXPR_MUST_TAIL_CALL.
6750 * gimple.h (enum gf_mask): Add GF_CALL_MUST_TAIL_CALL.
6751 (gimple_call_set_must_tail): New function.
6752 (gimple_call_must_tail_p): New function.
6753 * print-tree.c (print_node): Update printing of TREE_STATIC
6754 to reflect its use for CALL_EXPR_MUST_TAIL_CALL.
6755 * tree-core.h (struct tree_base): Add MUST_TAIL_CALL to the
6756 trailing comment listing applicable flags.
6757 * tree.h (CALL_EXPR_MUST_TAIL_CALL): New macro.
6759 2016-05-20 David Malcolm <dmalcolm@redhat.com>
6761 * calls.c (expand_call): Move "Rest of purposes for tail call
6762 optimizations to fail" to...
6763 (can_implement_as_sibling_call_p): ...this new function, and
6764 split into multiple "if" statements.
6766 2016-05-20 Jan Hubicka <hubicka@ucw.cz>
6768 * cfgloop.h (expected_loop_iterations_unbounded,
6769 expected_loop_iterations): Unconstify.
6770 * cfgloopanal.c (expected_loop_iterations_unbounded): Sanity check the
6771 profile with known upper bound; return 3 when profile is absent.
6772 (expected_loop_iterations): Update.
6774 2016-05-20 Jan Hubicka <hubicka@ucw.cz>
6776 * loop-doloop.c (doloop_optimize): Use get_estimated_loop_iterations_int
6777 and get_max_loop_iterations_int.
6779 2016-05-20 Jan Hubicka <hubicka@ucw.cz>
6781 * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can not produce
6782 realistic upper bounds here.
6784 2016-05-20 Jakub Jelinek <jakub@redhat.com>
6787 * gimple-fold.c (gimple_fold_call): Do not remove lhs of noreturn
6788 calls if the LHS is variable length or has addressable type.
6789 If targets[0]->decl is a noreturn call with void return type and
6790 zero arguments, adjust fntype and remove lhs in that case.
6792 2016-05-20 Marc Glisse <marc.glisse@inria.fr>
6794 PR tree-optimization/71079
6795 PR tree-optimization/71206
6796 * match.pd ((X ^ Y) ^ (X ^ Z)): Convert the arguments.
6798 2016-05-20 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
6800 * tree-vectorizer.c (get_vec_alignment_for_decl): New static function.
6801 (get_vec_alignment_for_array_decl): Likewise.
6802 (get_vec_alignment_for_record_decl): Likewise.
6803 (increase_alignment::execute): Move code to find alignment to
6804 get_vec_alignment_for_array_decl and call get_vec_alignment_for_decl.
6805 (type_align_map): New hash_map.
6807 2016-05-20 Richard Guenther <rguenther@suse.de>
6809 PR tree-optimization/29756
6810 * tree.def (BIT_INSERT_EXPR): New tcc_expression tree code.
6811 * expr.c (expand_expr_real_2): Handle BIT_INSERT_EXPR.
6812 * fold-const.c (operand_equal_p): Likewise.
6813 (fold_ternary_loc): Add constant folding of BIT_INSERT_EXPR.
6814 * gimplify.c (gimplify_expr): Handle BIT_INSERT_EXPR.
6815 * tree-inline.c (estimate_operator_cost): Likewise.
6816 * tree-pretty-print.c (dump_generic_node): Likewise.
6817 * tree-ssa-operands.c (get_expr_operands): Likewise.
6818 * cfgexpand.c (expand_debug_expr): Likewise.
6819 * gimple-pretty-print.c (dump_ternary_rhs): Likewise.
6820 * gimple.c (get_gimple_rhs_num_ops): Handle BIT_INSERT_EXPR.
6821 * tree-cfg.c (verify_gimple_assign_ternary): Verify BIT_INSERT_EXPR.
6822 * tree-ssa.c (non_rewritable_lvalue_p): We can rewrite
6823 vector inserts using BIT_FIELD_REF or MEM_REF on the lhs.
6824 (execute_update_addresses_taken): Do it.
6826 2016-05-20 Richard Biener <rguenther@suse.de>
6828 PR tree-optimization/71185
6829 * tree-ssa-loop-prefetch.c (gather_memory_references): Drop
6830 register operations.
6832 2016-05-20 Richard Biener <rguenther@suse.de>
6834 * tree-if-conv.c (add_bb_predicate_gimplified_stmts): Use
6835 gimple_seq_add_seq_without_update.
6836 (release_bb_predicate): Assert we have no operands to free.
6837 (if_convertible_loop_p_1): Calculate post dominators later.
6838 Do not free BB predicates here.
6839 (combine_blocks): Do not recompute BB predicates.
6840 (version_loop_for_if_conversion): Save BB predicates around
6843 2016-05-19 Segher Boessenkool <segher@kernel.crashing.org>
6845 * function.c (make_epilogue_seq): Remove epilogue_end parameter.
6846 (thread_prologue_and_epilogue_insns): Remove bb_flags. Restructure
6847 code. Ignore sibcalls on EDGE_IGNORE edges.
6848 * shrink-wrap.c (handle_simple_exit): New function. Set EDGE_IGNORE
6849 on edges for sibcalls that run without prologue. The rest of the
6850 function is combined from...
6851 (fix_fake_fallthrough_edge): ... this, and ...
6852 (try_shrink_wrapping): ... a part of this. Remove the bb_with
6853 function argument, make it a local variable.
6855 2016-05-19 Sandra Loosemore <sandra@codesourcery.com>
6857 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Allow
6858 --disable-sjlj-exceptions for TARGET_BI_ARCH to select DWARF-2 EH
6859 for 32-bit mode and SEH for 64-bit.
6860 * config/i386/mingw32.h (SHARED_LIBGCC_UNDEFS_SPEC): Handle
6861 TARGET_64BIT_DEFAULT.
6863 2016-05-19 Ryan Burn <contact@rnburn.com>
6865 * Makefile.in (GTFILES): Add cilk.h and cilk-common.c.
6866 * gengtype.c (open_base_files): Add cilk.h to ifiles.
6868 2016-05-19 Uros Bizjak <ubizjak@gmail.com>
6870 * sched-deps.c (sched_analyze_2) <case TRAP_IF>: Also
6871 force pending loads from memory.
6873 2016-05-19 Kelvin Nilsen <kelvin@gcc.gnu.org>
6875 * config/rs6000/altivec.md (UNSPEC_DARN): New unspec constant.
6876 (UNSPEC_DARN_32): New unspec constant.
6877 (UNSPEC_DARN_RAW): New unspec constant.
6878 (darn_32): New instruction.
6879 (darn_raw): New instruction.
6880 (darn): New instruction.
6881 * config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_0): Add
6882 support and documentation for this macro.
6883 (BU_P9_MISC_1): New macro definition.
6884 (BU_P9_64BIT_MISC_0): New macro definition.
6885 (BU_P9_MISC_0): New macro definition.
6886 (darn_32): New builtin definition.
6887 (darn_raw): New builtin definition.
6888 (darn): New builtin definition.
6889 * config/rs6000/rs6000.c: Add #define RS6000_BUILTIN_0 and #undef
6890 RS6000_BUILTIN_0 directives to surround each occurrence of
6891 #include "rs6000-builtin.def".
6892 (rs6000_builtin_mask_calculate): Add in the RS6000_BTM_MODULO and
6893 RS6000_BTM_64BIT flags to the returned mask, depending on
6895 (def_builtin): Correct an error in the assignments made to the
6896 debugging variable attr_string.
6897 (rs6000_expand_builtin): Add support for no-operand built-in
6899 (builtin_function_type): Remove fatal_error assertion that is no
6901 (rs6000_common_init_builtins): Add support for no-operand built-in
6903 * config/rs6000/rs6000.h (RS6000_BTM_MODULO): New macro
6905 (RS6000_BTM_PURE): Enhance comment to clarify intent of this flag
6907 (RS6000_BTM_64BIT): New macro definition.
6908 * doc/extend.texi: Document __builtin_darn (void),
6909 __builtin_darn_raw (void), and __builtin_darn_32 (void) built-in
6912 2016-05-19 Jan Hubicka <hubicka@ucw.cz>
6914 * tree-vect-loop.c (vect_analyze_loop_2): Use also
6915 max_loop_iterations_int.
6917 2016-05-19 Marek Polacek <polacek@redhat.com>
6919 PR tree-optimization/71031
6920 * tree-vrp.c (extract_range_from_binary_expr_1): Turn assert into a
6921 condition and adjust the code a bit.
6923 2016-05-19 Martin Liska <mliska@suse.cz>
6925 * tree-vect-stmts.c (vectorizable_simd_clone_call): Utilize
6926 auto_vec instead of vec.
6928 2016-05-19 Martin Liska <mliska@suse.cz>
6930 * tree-parloops.c (oacc_entry_exit_ok): Release a vector.
6932 2016-05-19 Martin Liska <mliska@suse.cz>
6934 * tree-if-conv.c (ifcvt_repair_bool_pattern): Utilize auto_vecs.
6936 2016-05-19 Martin Liska <mliska@suse.cz>
6938 * ipa-pure-const.c (set_function_state): Remove an existing
6940 (remove_node_data): Do not free it as it's released
6941 in set_function_state.
6943 2016-05-19 Martin Liska <mliska@suse.cz>
6945 * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Release
6948 2016-05-19 Martin Liska <mliska@suse.cz>
6950 * omp-simd-clone.c (simd_clone_adjust): Release vector.
6952 2016-05-19 Martin Liska <mliska@suse.cz>
6954 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Truncate
6955 an auto_vec instead of re-creating it.
6957 2016-05-19 Martin Liska <mliska@suse.cz>
6959 * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Use
6960 auto_vec instead of vec.
6962 2016-05-19 Martin Liska <mliska@suse.cz>
6964 * lto-section-in.c (lto_get_section_data): Call
6965 lto_check_version with additional argument.
6966 * lto-streamer.c (lto_check_version): Add new argument.
6967 * lto-streamer.h (lto_check_version): Likewise.
6969 2016-05-19 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
6971 * config/arm/arm.c (arm_new_rtx_costs, SIGN_EXTEND case):
6972 Don't add cost of inner memory when handling sign-extended loads.
6974 2016-05-19 Ilya Enkovich <ilya.enkovich@intel.com>
6976 PR rtl-optimization/71148
6977 * cse.c (cse_main): Free dominance info.
6978 (rest_of_handle_cse): Don't free dominance info.
6979 (rest_of_handle_cse2): Likewise.
6980 (rest_of_handle_cse_after_global_opts): Likewise.
6982 2016-05-19 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
6985 * config/arm/arm-builtins.c (arm_builtin_vectorized_function): Return
6986 NULL_TREE early if NEON is not available. Remove now redundant check
6987 in ARM_CHECK_BUILTIN_MODE.
6989 2016-05-19 Maxim Ostapenko <m.ostapenko@samsung.com>
6992 * cppbuiltin.c (define_builtin_macros_for_compilation_flags): Add new
6993 builtin __SANITIZE_THREAD__ macros for fsanitize=thread switch.
6994 * doc/cpp.texi: Document new macros.
6996 2016-05-19 Bin Cheng <bin.cheng@arm.com>
6998 PR tree-optimization/69848
6999 * tree-vect-loop.c (vectorizable_reduction): Don't factor
7000 comparison expr out of VEC_COND_EXPR for COND_REDUCTION.
7002 2016-05-19 Segher Boessenkool <segher@kernel.crashing.org>
7004 * function.c (thread_prologue_and_epilogue_insn): Move the
7005 "goto epilogue_done" one block later.
7007 2016-05-19 Richard Biener <rguenther@suse.de>
7009 PR tree-optimization/70729
7010 * passes.def: Move LIM pass before PRE. Remove no longer
7011 required copyprop and move first DCE out of the loop pipeline.
7013 2016-05-18 David Malcolm <dmalcolm@redhat.com>
7016 * Makefile.in (GCC_OBJS): Move spellcheck.o to...
7017 (OBJS-libcommon-target): ...here.
7018 * opts-common.c: Include spellcheck.h.
7019 (cmdline_handle_error): Build a vec of valid options and use it
7020 to suggest provide hints for misspelled arguments.
7022 2016-05-18 Jakub Jelinek <jakub@redhat.com>
7025 * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Don't drop
7026 lhs if it has TREE_ADDRESSABLE type.
7028 2016-05-18 Uros Bizjak <ubizjak@gmail.com>
7031 * config/alpha/alpha.md (trap): Add (use (reg:DI 29)).
7032 (*exception_receiver_1): Return "#" for TARGET_EXPLICIT_RELOCS.
7034 2016-05-18 Martin Jambor <mjambor@suse.cz>
7037 * ipa-cp.c (ipa_get_jf_pass_through_result): Allow non-ip constant
7038 input for NOP_EXPR pass-through functions.
7039 * ipa-prop.c (ipa_compute_jump_functions_for_edge): Allow
7040 aggregate global constant VAR_DECLs in constant jump functions.
7042 2016-05-18 Martin Jambor <mjambor@suse.cz>
7045 * ipa-prop.c (parm_preserved_before_stmt_p): Return true for loads
7046 from TREE_READONLY parameters.
7048 2016-05-18 Martin Jambor <mjambor@suse.cz>
7051 * cgraph.h (cgraph_indirect_call_info): New field
7052 guaranteed_unmodified.
7053 * ipa-cp.c (ipa_get_indirect_edge_target_1): Also pass parameter value
7054 to ipa_find_agg_cst_for_param, check guaranteed_unmodified when
7056 * ipa-inline-analysis.c (evaluate_conditions_for_known_args): Also
7057 pass the parameter value to ipa_find_agg_cst_for_param.
7058 * ipa-prop.c (ipa_load_from_parm_agg): New parameter
7059 guaranteed_unmodified, store AA results there instead of bailing out
7061 (ipa_note_param_call): Also initialize guaranteed_unmodified flag.
7062 (ipa_analyze_indirect_call_uses): Also set guaranteed_unmodified flag.
7063 (find_constructor_constant_at_offset): New function.
7064 (ipa_find_agg_cst_from_init): Likewise.
7065 (ipa_find_agg_cst_for_param): Also seearch for aggregate values in
7066 static initializers of contants, report back through a new paameter
7067 from_global_constant if that was the case.
7068 (try_make_edge_direct_simple_call): Also pass parameter value to
7069 ipa_find_agg_cst_for_param, check guaranteed_unmodified when
7071 (ipa_write_indirect_edge_info): Stream new flag guaranteed_unmodified.
7072 (ipa_read_indirect_edge_info): Likewise.
7073 * ipa-prop.h (ipa_find_agg_cst_for_param): Update declaration.
7074 (ipa_load_from_parm_agg): Likewise.
7076 2016-05-18 Jiong Wang <jiong.wang@arm.com>
7078 PR rtl-optimization/71150
7079 * lra-constraint (process_addr_reg): Guard "in_class_p" with REG_P
7082 2016-05-18 Michael Meissner <meissner@linux.vnet.ibm.com>
7085 * config/rs6000/constraints.md (wE constraint): New constraint
7086 for a vector constant that can be loaded with XXSPLTIB.
7087 (wM constraint): New constraint for a vector constant of a 1's.
7088 (wS constraint): New constraint for a vector constant that can be
7089 loaded with XXSPLTIB and a vector sign extend instruction.
7090 * config/rs6000/predicates.md (xxspltib_constant_split): New
7091 predicates for wE/wS constraints.
7092 (xxspltib_constant_nosplit): Likewise.
7093 (easy_vector_constant): Add support for constants that can be
7094 loaded via XXSPLTIB.
7095 (all_ones_constant): New predicate for vector constant with all
7097 (splat_input_operand): Add support for ISA 3.0 word splat operations.
7098 * config/rs6000/rs6000.c (xxspltib_constant_p): New function to
7099 return if a constant can be loaded with the ISA 3.0 XXSPLTIB
7100 instruction and possibly with a sign extension.
7101 (output_vec_const_move): Add support for XXSPLTIB. If we are
7102 loading up 0/-1 into Altivec registers, prefer using VSPLTISW
7103 instead of XXLXOR/XXLORC.
7104 (rs6000_expand_vector_init): Add support for ISA 3.0 word splat
7106 (rs6000_legitimize_reload_address): Likewise.
7107 (rs6000_output_move_128bit): Use output_vec_const_move to emit
7109 * config/rs6000/vsx.md (VSX_M): Add TImode (if -mvsx-timode) and
7110 combine VSX_M and VSX_M2 into one iterator.
7112 (VSINT_84): New iterators for loading constants with XXSPLTIB.
7113 (VSINT_842): Likewise.
7114 (UNSPEC_VSX_SIGN_EXTEND): New UNSPEC.
7115 (xxspltib_v16qi): New insns to load up constants with the ISA 3.0
7116 XXSPLTIB instruction.
7117 (xxspltib_<mode>_nosplit): Likewise.
7118 (xxspltib_<mode>_split): New insn to load up constants with
7119 XXSPLTIB and a sign extend instruction.
7120 (vsx_mov<mode>): Replace single move that handled all vector types
7121 with separate 32-bit and 64-bit moves. Combine the movti_<bit>
7122 moves (when -mvsx-timode is in effect) into the main vector
7123 moves. Eliminate separate moves for <VSr> <VSa>, where the
7124 preferred register class (<VSr>) is listed first, and the
7125 secondary register class (<VSa>) is listed second with a '?' to
7126 discourage use. Prefer loading 0/-1 in any VSX register for ISA
7127 3.0, and Altivec registers for ISA 2.06/2.07 (PR target/70915) so
7128 that if the register was involved in a slow operation, the
7129 clear/set operation does not wait for the slow operation to
7130 finish. Adjust the length attributes for 32-bit mode. Use
7131 rs6000_output_move_128bit and drop the use of the string
7132 instructions for 32-bit movti when -mvsx-timode is in effect. Use
7133 spacing so that the alternatives and attributes don't generate
7134 long lines, and put things in columns, so that it is easier to
7135 match up the operands and attributes with the insn alternatives.
7136 (vsx_mov<mode>_64bit): Likewise.
7137 (vsx_mov<mode>_32bit): Likewise.
7138 (vsx_movti_64bit): Fold movti into normal vector moves.
7139 (vsx_movti_32bit): Likewise.
7140 (vsx_splat_<mode>, V4SI/V4SF modes): Add support for ISA 3.0 word
7142 (vsx_splat_v4si_internal): Likewise.
7143 (vsx_splat_v4sf_internal): Likewise.
7144 (vector fusion peepholes): Use VSX_M instead of VSX_M2.
7145 (vsx_sign_extend_qi_<mode>): New ISA 3.0 instructions to sign
7146 extend vector elements.
7147 (vsx_sign_extend_hi_<mode>): Likewise.
7148 (vsx_sign_extend_si_v2di): Likewise.
7149 * config/rs6000/rs6000-protos.h (xxspltib_constant_p): Add
7151 * doc/md.texi (PowerPC constraints): Document the wE, wM, and wS
7152 constraints. Add trailing period to wL documentation.
7154 2016-05-18 Richard Sandiford <richard.sandiford@arm.com>
7157 * tree-dfa.h (replace_abnormal_ssa_names): Declare.
7158 * tree-dfa.c (replace_abnormal_ssa_names): New function.
7159 * tree-call-cdce.c: Include tree-dfa.h.
7160 (can_guard_call_p): New function, extracted from...
7161 (can_use_internal_fn): ...here.
7162 (shrink_wrap_one_built_in_call_with_conds): Remove failure path
7164 (shrink_wrap_one_built_in_call): Likewise.
7165 (use_internal_fn): Likewise.
7166 (shrink_wrap_conditional_dead_built_in_calls): Update accordingly
7167 and return void. Call replace_abnormal_ssa_names.
7168 (pass_call_cdce::execute): Check can_guard_call_p during the
7169 initial walk. Assume shrink_wrap_conditional_dead_built_in_calls
7170 will always change something.
7172 2016-05-18 Martin Jambor <mjambor@suse.cz>
7175 * ipa-prop.c (determine_locally_known_aggregate_parts): Bail out early
7176 if parameter PARAM_IPA_MAX_AGG_ITEMS is zero.
7178 2016-05-18 Martin Jambor <mjambor@suse.cz>
7181 * ipa-inline.h (condition): New field size.
7182 * ipa-inline-analysis.c (add_condition): New parameter SIZE, use it
7183 for comaprison and store it into the new condition.
7184 (evaluate_conditions_for_known_args): Use condition size to check
7185 access sizes for all but CHANGED conditions.
7186 (unmodified_parm_1): New parameter size_p, store access size into it.
7187 (unmodified_parm): Likewise.
7188 (unmodified_parm_or_parm_agg_item): Likewise.
7189 (eliminated_by_inlining_prob): Pass NULL to unmodified_parm as size_p.
7190 (set_cond_stmt_execution_predicate): Extract access sizes and store
7192 (set_switch_stmt_execution_predicate): Likewise.
7193 (will_be_nonconstant_expr_predicate): Likewise.
7194 (will_be_nonconstant_predicate): Likewise.
7195 (inline_read_section): Stream condition size.
7196 (inline_write_summary): Likewise.
7198 2016-05-18 Richard Biener <rguenther@suse.de>
7200 * tree-ssa-loop-im.c (determine_max_movement): Properly add
7201 condition cost to PHI cost instead of total_cost.
7203 2016-05-18 Martin Liska <mliska@suse.cz>
7206 * ipa-icf.c (sem_variable::merge): Set DECL_PT_UID for
7209 2016-05-18 Richard Biener <rguenther@suse.de>
7211 * lto-streamer.h (LTO_major_version): Bump to 6.
7213 2016-05-18 Segher Boessenkool <segher@kernel.crashing.org>
7215 * function.c (make_split_prologue_seq, make_prologue_seq,
7216 make_epilogue_seq): New functions, factored out from...
7217 (thread_prologue_and_epilogue_insns): Here.
7219 2016-05-18 Segher Boessenkool <segher@kernel.crashing.org>
7221 * function.c (rest_of_handle_thread_prologue_and_epilogue): Call
7222 cleanup_cfg with CLEANUP_EXPENSIVE after shrink-wrapping instead
7223 of before. Add a comment.
7225 2016-05-18 Bin Cheng <bin.cheng@arm.com>
7227 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Check invariant
7228 expression pointer, not pointer to the pointer.
7230 2016-05-18 Jakub Jelinek <jakub@redhat.com>
7232 * config/i386/sse.md (pbroadcast_evex_isa): New mode attr.
7233 (avx2_pbroadcast<mode>): Add another alternative with v instead
7234 of x constraints in it, using <pbroadcast_evex_isa> isa.
7235 (avx2_pbroadcast<mode>_1): Similarly, add two such alternatives.
7237 * config/i386/sse.md (<ssse3_avx2>_palignr<mode>): Use
7238 constraint x instead of v in second alternative, add avx512bw
7241 * config/i386/sse.md (<ssse3_avx2>_pshufb<mode>3<mask_name>): Use
7242 constraint x instead of v in second alternative, add avx512bw
7245 * config/i386/sse.md (*<ssse3_avx2>_pmulhrsw<mode>3<mask_name>): Use
7246 constraint x instead of v in second alternative, add avx512bw
7249 * config/i386/sse.md (avx2_pmaddubsw256, ssse3_pmaddubsw128): Add
7250 avx512bw alternative.
7252 2016-05-18 Kirill Yukhin <kirill.yukhin@intel.com>
7254 * config/i386/sse.md (define_insn "*andnot<mode>3"): Extend static
7256 (define_insn "*andnottf3"): Ditto.
7257 (define_insn "*<code><mode>3"/any_logic): Ditto.
7258 (define_insn "*<code>tf3"/any_logic): Ditto.
7259 (define_insn "sse2_storehpd"): Use Yv constraint for scalar
7260 operand to block AVX-512VL insn variant emit when it is not enabled.
7262 2016-05-18 Kirill Yukhin <kirill.yukhin@intel.com>
7264 * config/i386/sse.md (define_insn "*vec_concatv2sf_sse4_1"): Use 'Yv'
7265 constraint fot SF mode.
7267 2016-05-18 Petr Murzin <petr.murzin@intel.com>
7268 Kirill Yukhin <kirill.yukhin@intel.com>
7270 * config/i386/sse.md (define_insn "srcp14<mode>"): Use proper operand
7272 (define_insn "rsqrt14<mode>"): Ditto.
7273 (define_insn "<mask_codefor>avx512dq_cvtps2qqv2di<mask_name>"): Ditto.
7274 (define_insn "<fixsuffix>fix_truncv2sfv2di2<mask_name>"): Ditto.
7275 (define_insn "avx512f_<code>v8div16qi2_mask_store"): Ditto.
7276 (define_insn "vec_set_hi_<mode><mask_name>"): Ditto.
7277 (define_insn "<mask_codefor>avx512dq_broadcast<mode><mask_name>"):
7279 (define_insn "*avx512f_gatherdi<mode>"): Ditto.
7280 (define_insn "*avx512f_scatterdi<mode>"): Ditto.
7281 * config/i386/i386.c (ix86_print_operand): Expand check for size
7282 override codes for Intel syntax.
7284 2016-05-18 Richard Biener <rguenther@suse.de>
7286 PR tree-optimization/71168
7287 * tree-loop-distribution.c (distribute_loop): Move *destroy_p
7288 initialization earlier.
7290 2016-05-18 James Greenhalgh <james.greenhalgh@arm.com>
7292 * config/aarch64/aarch64-simd.md
7293 (aarch64_reduc_plus_internal<mode>): Rename to...
7294 (reduc_plus_scal): ...This, and remove previous implementation.
7296 2016-05-18 Richard Biener <rguenther@suse.de>
7298 * passes.def: Put late dse and cd_dce in canonical order.
7300 2016-05-17 Jan Hubicka <hubicka@ucw.cz>
7302 * ipa-inline-transform.c (preserve_function_body_p): Look for
7303 first non-thunk clone.
7304 (save_function_body): Save into first non-thunk.
7305 * lto-cgraph.c (lto_output_edge): When streaming thunk do not look
7307 (lto_output_node): Inline thunks don't need body in every
7309 * lto-streamer-in.c: Do not fixup thunk clones.
7310 * cgraphclones.c (cgraph_node::create_edge_including_clone): Skip
7312 * tree-inline.c (copy_bb): Be prepared for target node to be new after
7315 2016-05-17 Kugan Vivekanandarajah <kuganv@linaro.org>
7318 * tree-ssa-reassoc.c (transform_add_to_multiply): New.
7319 (reassociate_bb): Call transform_add_to_multiply.
7321 2016-05-17 Kugan Vivekanandarajah <kuganv@linaro.org>
7323 * config/aarch64/aarch64.c (all_extensions): Removed unused
7326 2016-05-17 Nathan Sidwell <nathan@acm.org>
7328 * config/nvptx/nvptx.c (nvptx_function_arg_boundary): New.
7329 (TARGET_FUNCTION_ARG_BOUNDARY): Override.
7331 2016-05-17 Mikhail Maltsev <maltsevm@gmail.com>
7333 PR tree-optimization/54579
7335 * match.pd (~(~X >> Y), ~(~X >>r Y), ~(~X <<r Y)): New patterns.
7337 2016-05-17 Marek Polacek <polacek@redhat.com>
7340 * tree-inline.c (expand_call_inline): Call
7341 maybe_remove_unused_call_args.
7343 2016-05-17 Jim Wilson <jim.wilson@linaro.org>
7345 * doc/cpp.texi (__GNUC__): Major version changes are no longer rare.
7346 * doc/invoke.texi (-mnan=2008): Change signalling to signaling.
7347 * doc/md.texi (fmin@var{m}3): Likewise.
7349 2016-05-17 Marc Glisse <marc.glisse@inria.fr>
7351 * match.pd (X & C): New transformation.
7353 2016-05-17 Marc Glisse <marc.glisse@inria.fr>
7355 * match.pd (~X & Y): New transformation.
7357 2016-05-17 Marc Glisse <marc.glisse@inria.fr>
7359 * tree-vrp.c (simplify_truth_ops_using_ranges): Set range
7360 information for new SSA_NAME.
7361 (simplify_conversion_using_ranges): Get range through get_range_info
7362 instead of get_value_range.
7364 2016-05-17 Jiong Wang <jiong.wang@arm.com>
7366 * config/aarch64/arm_neon.h (vmvn_s8): Reimplement using C operator.
7367 Remove inline assembly.
7368 (vmvn_s16): Likewise.
7369 (vmvn_s32): Likewise.
7370 (vmvn_u8): Likewise.
7371 (vmvn_u16): Likewise.
7372 (vmvn_u32): Likewise.
7373 (vmvnq_s8): Likewise.
7374 (vmvnq_s16): Likewise.
7375 (vmvnq_s32): Likewise.
7376 (vmvnq_u8): Likewise.
7377 (vmvnq_u16): Likewise.
7378 (vmvnq_u32): Likewise.
7379 (vmvn_p8): Likewise.
7380 (vmvnq_p16): Likewise.
7382 2016-05-17 Jiong Wang <jiong.wang@arm.com>
7384 * config/aarch64/aarch64-simd.md (vmul_n_f32): Remove inline assembly.
7386 (vmul_n_s16): Likewise.
7387 (vmul_n_s32): Likewise.
7388 (vmul_n_u16): Likewise.
7389 (vmul_n_u32): Likewise.
7390 (vmulq_n_f32): Likewise.
7391 (vmulq_n_f64): Likewise.
7392 (vmulq_n_s16): Likewise.
7393 (vmulq_n_s32): Likewise.
7394 (vmulq_n_u16): Likewise.
7395 (vmulq_n_u32): Likewise.
7397 2016-05-17 Jiong Wang <jiong.wang@arm.com>
7399 * config/aarch64/aarch64-simd.md (*aarch64_mul3_elt_to_128df): Extend
7400 to all supported modes. Rename to "*aarch64_mul3_elt_from_dup".
7402 2016-05-17 Jiong Wang <jiong.wang@arm.com>
7404 * config/aarch64/aarch64-simd.md (*aarch64_fma4_elt_to_128df): Rename
7405 to *aarch64_fma4_elt_from_dup<mode>.
7406 (*aarch64_fnma4_elt_to_128df): Rename to
7407 *aarch64_fnma4_elt_from_dup<mode>.
7408 * config/aarch64/arm_neon.h (vfma_n_f64): New.
7409 (vfms_n_f32): Likewise.
7410 (vfms_n_f64): Likewise.
7411 (vfmsq_n_f32): Likewise.
7412 (vfmsq_n_f64): Likewise.
7414 2016-05-17 Gerald Pfeifer <gerald@pfeifer.com>
7416 * wide-int.h: Change fixed_wide_int_storage from class to struct.
7418 2016-05-17 Richard Biener <rguenther@suse.de>
7420 PR tree-optimization/71132
7421 * tree-loop-distribution.c (create_rdg_cd_edges): Pass in loop.
7422 Only add control dependences for blocks in the loop.
7423 (build_rdg): Adjust.
7424 (generate_code_for_partition): Return whether loop should
7425 be destroyed and delay that.
7426 (distribute_loop): Likewise.
7427 (pass_loop_distribution::execute): Record loops to be destroyed
7428 and perform delayed destroying of loops.
7430 2016-05-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
7433 * config/aarch64/aarch64-simd.md (aarch64_vmls<mode>): Delete.
7435 2016-05-17 James Greenhalgh <james.greenhalgh@arm.com>
7437 * config/aarch64/aarch64-elf.h (ASM_OUTPUT_DEF): Delete.
7439 2016-05-17 Ilya Enkovich <ilya.enkovich@intel.com>
7442 * config/i386/i386.c (dimode_scalar_chain::convert_op): Fix
7443 insertion point for instructions generated by validize_mem.
7445 2016-05-17 James Greenhalgh <james.greenhalgh@arm.com>
7447 * config/aarch64/aarch64.c (SHIFT_COUNT_TRUNCATED): Wrap definition
7450 2016-05-17 James Greenhalgh <james.greenhalgh@arm.com>
7452 * config/aarch64/aarch64.c
7453 (aarch64_output_simd_mov_immediate): Make "buf_size" a variable
7454 rather than a macro.
7456 2016-05-16 Wilco Dijkstra <wdijkstr@arm.com>
7458 * doc/invoke.texi (AArch64 Options): Various updates.
7460 2016-05-16 Jan Hubicka <hubicka@ucw.cz>
7462 * ipa-inline-analysis.c (compute_inline_parameters): Disable inlinig
7463 into instrumentation thunks.
7464 * cif-code.def (CIF_CHKP): New.
7466 2016-05-16 Uros Bizjak <ubizjak@gmail.com>
7468 * config/i386/xopintrin.h: Correct "unsinged" typo in the comments.
7470 2016-05-16 Martin Jambor <mjambor@suse.cz>
7472 * hsa-gen.c (fillup_for_decl): Increase alignment to natural one.
7473 (get_symbol_for_decl): Sorry if a global symbol in under-aligned.
7475 2016-05-16 Marek Polacek <polacek@redhat.com>
7477 * gimple.c (maybe_remove_unused_call_args): Fix typos in the
7480 2016-05-16 Martin Jambor <mjambor@suse.cz>
7483 * omp-low.c (grid_expand_target_grid_body): Copy RESULT_DECL of
7484 the outlined kernel function.
7486 2016-05-16 Robert Suchanek <robert.suchanek@imgtec.com>
7488 * config/mips/mips.h (ISA_HAS_LSA): Enable for -mmsa.
7489 (ISA_HAS_DLSA): Ditto.
7491 2016-05-16 Matthew Fortune <matthew.fortune@imgtec.com>
7493 * config/mips/m5100.md (m51_int_load): Update the latency to 2.
7495 2016-05-16 Nathan Sidwell <nathan@acm.org>
7497 * config/nvptx/nvptx.c (nvptx_mangle_decl_assembler_name): Revert.
7498 (nvptx_name_replacement): Restore. Add comment.
7499 (write_fn_proto, write_fn_proto_from_insn,
7500 nvptx_output_call_insn): Restore
7501 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Delete.
7503 2016-05-16 Wilco Dijkstra <wdijkstr@arm.com>
7505 * config/aarch64/aarch64.md
7506 (add<mode>3_compareC_cconly_imm): Remove use of %w.
7507 (add<mode>3_compareC_imm): Likewise.
7508 (<optab>si3_uxtw): Split into register and immediate variants.
7509 (andsi3_compare0_uxtw): Likewise.
7510 (and<mode>3_compare0): Likewise.
7511 (and<mode>3nr_compare0): Likewise.
7512 (stack_protect_test_<mode>): Don't use %x for memory operands.
7514 2016-05-16 Matthew Fortune <matthew.fortune@imgtec.com>
7516 * config/mips/mips-cpus.def (p5600): Add multi-line brackets.
7518 2016-05-16 Wilco Dijkstra <wdijkstr@arm.com>
7520 * config/aarch64/aarch64.md (aarch64_ashl_sisd_or_int_<mode>3):
7521 Split integer shifts into shift_reg and bfm.
7522 (aarch64_lshr_sisd_or_int_<mode>3): Likewise.
7523 (aarch64_ashr_sisd_or_int_<mode>3): Likewise.
7524 (ror<mode>3_insn): Likewise.
7525 (<optab>si3_insn_uxtw): Likewise.
7526 (<optab><mode>3_insn): Change to rotate_imm.
7527 (extr<mode>5_insn_alt): Likewise.
7528 (extrsi5_insn_uxtw): Likewise.
7529 (extrsi5_insn_uxtw_alt): Likewise.
7531 2016-05-16 Matthew Wahab <matthew.wahab@arm.com>
7533 * doc/tm.texi: Regenerate.
7534 * doc/tm.texi.in (TARGET_INVALID_PARAMETER_TYPE): Remove.
7535 (TARGET_INVALID_RETURN_TYPE): Remove.
7536 * system.h: Poison TARGET_INVALID_PARAMETER_TYPE and
7537 TARGET_INVALID_RETURN_TYPE.
7538 * target.def (invalid_parameter_type): Remove.
7539 (invalid_return_type): Remove.
7541 2016-05-16 Jan Hubicka <hubicka@ucw.cz>
7543 * ipa-inline-analysis.c (compute_inline_parameters): Be more reailistic
7544 on estimating thunk bodies; do not set inline_failed to CIF_THUNK for
7546 * ipa-inline-transform.c (inline_call): When inlining into thunk produce
7548 (preserve_function_body_p): No need to preserve function body
7549 * cif-codes.def (CIF_THUNK): Remove.
7550 * cgraphclones.c (duplicate_thunk_for_node): Thunks calls are inlinable.
7552 2016-05-16 Jan Hubicka <hubicka@ucw.cz>
7554 * tree-inline.c (expand_call_inline): recurse after inlining thunk.
7556 2016-05-16 Jan Hubicka <hubicka@ucw.cz>
7558 * tree.c (free_lang_data_in_decl): Also set target/optimization flags
7561 2016-05-16 Jan Hubicka <hubicka@ucw.cz>
7563 * ipa-inline.c (report_inline_failed_reason): Look into thunks, too
7564 (inline_small_functions): Do not look for function symbol when
7567 2016-05-16 Jan Hubicka <hubicka@ucw.cz>
7569 * lto-cgraph.c (compute_ltrans_boundary, output_symtab): Fix handling
7572 2016-05-16 Matthew Wahab <matthew.wahab@arm.com>
7573 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
7574 Jiong Wang <jiong.wang@arm.com>
7576 * config/arm/arm-c.c (arm_cpu_builtins): Use def_or_undef_macro
7577 for __ARM_FP16_FORMAT_IEEE and __ARM_FP16_FORMAT_ALTERNATIVE.
7578 Define __ARM_FP16_ARGS when appropriate.
7579 * config/arm/arm.c (arm_invalid_parameter_type): Remove
7581 (arm_invalid_return_type): Likewise.
7582 (TARGET_INVALID_PARAMETER_TYPE): Remove.
7583 (TARGET_INVALID_RETURN_TYPE): Remove.
7584 (aapcs_vfp_sub_candidate): Allow HFmode.
7585 (aapcs_vfp_allocate): Add comment. Support HFmode.
7586 (aapcs_vfp_allocate_return_reg): Likewise.
7587 (struct aapcs_cp_arg_layout): Slightly reword comments for
7588 is_return_candidate and allocate_return_reg.
7589 (output_mov_vfp): Update assert.
7590 (arm_hard_regno_mode_ok): Remove comment, update HF-mode
7592 (arm_invalid_parameter_type): Remove.
7593 (amr_invalid_return_type): Remove.
7594 * config/arm/arm.h (TARGET_NEON_FP16): Fix definition.
7595 * config/arm/arm.md (*arm32_movhf): Disable for TARGET_VFP.
7596 * config/arm/vfp.md (*movhf_vfp): Enable for TARGET_VFP.
7598 2016-05-16 Matthew Wahab <matthew.wahab@arm.com>
7600 * config/aarch64/aarch64.h (LEGITIMIZE_RELOAD_ADDRESS): Remove.
7601 * config/aarch64/arch64-protos.h
7602 (aarch64_legitimize_reload_address): Remove.
7603 * config/aarch64/aarch64.c (aarch64_legitimize_reload_address):
7606 2016-05-16 Eric Botcazou <ebotcazou@adacore.com>
7608 * configure.ac: Add ACX_NONCANONICAL_HOST.
7609 * configure: Regenerate.
7610 * Makefile.in: Set host_noncanonical.
7612 2016-05-14 Uros Bizjak <ubizjak@gmail.com>
7615 * config/i386/i386.md (*movtf_internal): Before register allocation,
7616 do not allow FP constants for CM_MEDIUM memory model, allow only
7617 standard FP constants for CM_LARGE and CM_LARGE_PIC models.
7618 (*movxf_internal): Ditto.
7619 (*movdf_internal): Ditto.
7620 (*movsf_internal): Ditto.
7622 2016-05-13 Segher Boessenkool <segher@kernel.crashing.org>
7624 PR rtl-optimization/67483
7625 * combine.c (make_compound_operation): Don't call extract_left_shift
7626 with negative shift amounts.
7628 2016-05-13 Jakub Jelinek <jakub@redhat.com>
7631 * fold-const.c (fold_checksum_tree): Allow modification
7632 of TYPE_ALIAS_SET during folding.
7634 * config/i386/i386.c (ix86_compute_frame_layout, ix86_expand_prologue,
7635 ix86_expand_split_stack_prologue): Use HOST_WIDE_INT_C macro.
7636 (ix86_split_to_parts): Likewise. Fix up formatting.
7638 2016-05-13 H.J. Lu <hongjiu.lu@intel.com>
7640 * tree-ssa-loop-ivopts.c (create_new_ivs): Cast to
7641 unsigned HOST_WIDE_INT with HOST_WIDE_INT_PRINT_UNSIGNED in
7644 2016-05-13 Nathan Sidwell <nathan@acm.org>
7646 * config/nvptx/nvptx.c (nvptx_mangle_decl_assembler_name): New.
7647 (nvptx_name_replacement): Delete.
7648 (write_fn_proto, write_fn_proto_from_insn,
7649 nvptx_output_call_insn): Remove nvptx_name_replacement call.
7650 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Override.
7651 * langhooks.c (add_builtin_funcction_common): Call
7652 targetm.mangle_decl_assembler_name.
7654 * config/nvptx/nvptx.c (write_fn_proto): Handle
7655 BUILT_IN_ATOMIC_COMPARE_EXCHANGE_n oddity.
7657 2016-05-13 Martin Liska <mliska@suse.cz>
7659 * tree-ssa-loop-ivopts.c (create_new_ivs): Use HOST_WIDE_INT_PRINT_DEC
7660 and PRIu64 in printf format.
7662 2016-05-13 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
7664 * tree-ssa-loop-ivanon.c (try_unroll_loop_completely): Typo fix in
7667 2016-05-13 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
7669 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
7670 Change --param max-completely-peeled-times to
7671 --param max-completely-peel-times in dump file printing.
7673 2016-05-13 Richard Biener <rguenther@suse.de>
7675 PR tree-optimization/42587
7676 * tree-ssa-math-opts.c (perform_symbolic_merge): Handle BIT_FIELD_REF.
7677 (find_bswap_or_nop_1): Likewise.
7678 (bswap_replace): Likewise.
7680 2016-05-13 Martin Liska <mliska@suse.cz>
7682 * tree-vect-patterns.c (vect_recog_mask_conversion_pattern):
7683 Initialize a variable with default value.
7685 2016-05-13 Martin Liska <mliska@suse.cz>
7687 * doc/invoke.texi: Enhance explanation of error recovery
7690 2016-05-13 Martin Liska <mliska@suse.cz>
7692 * tree-ssa-loop-ivopts.c (avg_loop_niter): Fix coding style.
7693 (struct cost_pair): Change inv_expr_id (int) to inv_expr
7694 (iv_inv_expr_ent *).
7695 (struct iv_inv_expr_ent): Comment struct fields.
7696 (sort_iv_inv_expr_ent): New function.
7697 (struct ivopts_data): Rename inv_expr_id to max_inv_expr_id.
7698 (struct iv_ca): Replace used_inv_expr and num_used_inv_expr with
7699 a hash_map between iv_inv_expr_ent and number of usages.
7700 (niter_for_exit): Fix coding style.
7701 (tree_ssa_iv_optimize_init): Use renamed variable.
7702 (determine_base_object): Fix coding style.
7703 (alloc_iv): Likewise.
7704 (find_interesting_uses_outside): Likewise.
7705 (add_candidate_1): Likewise.
7706 (add_standard_iv_candidates): Likewise.
7707 (set_group_iv_cost): Replace inv_expr_id with inv_expr.
7708 (prepare_decl_rtl): Fix coding style.
7709 (get_address_cost): Likewise.
7710 (get_shiftadd_cost): Likewise.
7711 (force_expr_to_var_cost): Likewise.
7712 (compare_aff_trees): Likewise.
7713 (get_expr_id): Restructure the function.
7714 (get_loop_invariant_expr_id): Renamed to
7715 get_loop_invariant_expr.
7716 (get_computation_cost_at): Replace usage of inv_expr_id with
7718 (get_computation_cost): Likewise.
7719 (determine_group_iv_cost_generic): Likewise.
7720 (determine_group_iv_cost_address): Likewise.
7721 (iv_period): Fix coding style.
7722 (iv_elimination_compare_lt): Likewise.
7723 (may_eliminate_iv): Likewise.
7724 (determine_group_iv_cost_cond): Replace usage of inv_expr_id with
7726 (determine_group_iv_costs): Dump invariant expressions.
7727 (iv_ca_recount_cost): Use the newly added hash_map.
7728 (iv_ca_set_remove_invariants): Fix coding style.
7729 (iv_ca_set_add_invariants): Fix coding style.
7730 (iv_ca_set_no_cp): Utilize the newly added hash_map for used
7732 (iv_ca_set_cp): Likewise.
7733 (iv_ca_new): Initialize the newly added hash_map and remove
7734 initialization of fields.
7735 (iv_ca_free): Delete the hash_map.
7736 (iv_ca_dump): Dump invariant expressions.
7737 (iv_ca_extend): Fix coding style.
7738 (try_add_cand_for): Likewise.
7739 (create_new_ivs): Dump information about # of avg iterations and
7740 # of used invariant expressions.
7741 (rewrite_use_compare): Fix coding style.
7742 (free_loop_data): Set default value for max_inv_expr_id.
7744 2016-05-13 Ilya Enkovich <ilya.enkovich@intel.com>
7746 * cse.c (rest_of_handle_cse): Use cleanup_cfg
7747 returned value cse_cfg_altered computation.
7748 (rest_of_handle_cse2): Likewise.
7749 (rest_of_handle_cse_after_global_opts): Likewise.
7751 2016-05-13 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
7754 * config/arm/arm.c (arm32_output_mi_thunk): New.
7755 (arm_output_mi_thunk): Rename to arm_thumb1_mi_thunk. Rework
7756 to split Thumb1 vs TARGET_32BIT functionality.
7757 (arm_thumb1_mi_thunk): New.
7759 2016-05-13 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
7761 * config/aarch64/aarch64.c (TARGET_OMIT_STRUCT_RETURN_REG): Set
7764 2016-05-13 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7767 * config/i386/i386.c (ix86_in_large_data_p): Guard against NULL exp.
7769 2016-05-13 Eric Botcazou <ebotcazou@adacore.com>
7771 * builtins.c (expand_builtin_memcmp): Do not emit the call here.
7772 (expand_builtin_trap): Emit a regular call.
7773 (set_builtin_user_assembler_name): Remove obsolete cases.
7774 * dse.c (scan_insn): Adjust.
7775 * except.c: Include calls.h.
7776 (sjlj_emit_function_enter): If DONT_USE_BUILTIN_SETJMP is defined,
7777 emit a regular call to setjmp.
7778 * expr.c (emit_block_move_hints): Call emit_block_copy_via_libcall.
7779 (block_move_libcall_safe_for_call_parm): Use memcpy builtin.
7780 (emit_block_move_via_libcall): Delete.
7781 (block_move_fn): Delete.
7782 (init_block_move_fn): Likewise.
7783 (emit_block_move_libcall_fn): Likewise.
7784 (emit_block_op_via_libcall): New function.
7785 (set_storage_via_libcall): Tidy up and use memset builtin.
7786 (block_clear_fn): Delete.
7787 (init_block_clear_fn): Likewise.
7788 (clear_storage_libcall_fn): Likewise.
7789 (expand_assignment): Call emit_block_move_via_libcall.
7790 Do not include gt-expr.h.
7791 * expr.h (emit_block_op_via_libcall): Declare.
7792 (emit_block_copy_via_libcall): New inline function.
7793 (emit_block_move_via_libcall): Likewise.
7794 (emit_block_comp_via_libcall): Likewise.
7795 (block_clear_fn): Delete.
7796 (init_block_move_fn): Likewise.
7797 (init_block_clear_fn): Likewise.
7798 (emit_block_move_via_libcall): Likewise.
7799 (set_storage_via_libcall): Add default parameter value.
7800 * libfuncs.h (enum libfunc_index): Remove obsolete values.
7801 (abort_libfunc): Delete.
7802 (memcpy_libfunc): Likewise.
7803 (memmove_libfunc): Likewise.
7804 (memcmp_libfunc): Likewise.
7805 (memset_libfunc): Likewise.
7806 (setbits_libfunc): Likewise.
7807 (setjmp_libfunc): Likewise.
7808 (longjmp_libfunc): Likewise.
7809 (profile_function_entry_libfunc): Likewise.
7810 (profile_function_exit_libfunc): Likewise.
7811 (gcov_flush_libfunc): Likewise.
7812 * optabs-libfuncs.c (build_libfunc_function): Set DECL_ARTIFICIAL
7813 and DECL_VISIBILITY on the declaration.
7814 (init_optabs): Do not initialize obsolete libfuncs.
7815 * optabs.c (prepare_cmp_insn): Call emit_block_comp_via_libcall.
7816 * tree-core.h (ECF_RET1): Define.
7817 (ECF_TM_PURE): Adjust.
7818 (ECF_TM_BUILTIN): Likewise.
7819 * tree.c (set_call_expr_flags): Deal with ECF_RET1.
7820 (build_common_builtin_nodes): Initialize abort builtin.
7821 Add ECF_RET1 on memcpy, memmove and memset builtins.
7822 Pass final flags for alloca and alloca_with_align builtins.
7823 * config/alpha/alpha.c (alpha_init_libfuncs): Do not initialize
7825 * config/ia64/ia64.c (ia64_vms_init_libfuncs): Likewise.
7826 * config/i386/i386.c (ix86_expand_set_or_movmem): Adjust call to
7827 set_storage_via_libcall and call emit_block_copy_via_libcall.
7829 2016-05-12 Uros Bizjak <ubizjak@gmail.com>
7831 * config/i386/i386.md (*call_got_x32): Change operand 0 to
7832 DImode before it is passed to ix86_output_call_operand.
7833 (*call_value_got_x32): Ditto for operand 1.
7835 2016-05-12 Jiong Wang <jiong.wang@arm.com>
7837 PR rtl-optimization/70904
7838 * lra-constraint.c (process_addr_reg): Relax the restriction on subreg
7839 reload for wide mode.
7841 2016-05-12 Marek Polacek <polacek@redhat.com>
7844 * langhooks-def.h (lhd_incomplete_type_error): Adjust declaration.
7845 * langhooks.c (lhd_incomplete_type_error): Add location parameter.
7846 * langhooks.h (incomplete_type_error): Likewise.
7847 * tree.c (size_in_bytes_loc): Renamed from size_in_bytes. Add location
7848 parameter, pass it down to incomplete_type_error.
7849 * tree.h (size_in_bytes): New inline overload.
7850 (size_in_bytes_loc): Renamed from size_in_bytes.
7852 2016-05-12 Richard Biener <rguenther@suse.de>
7854 PR tree-optimization/71059
7855 * tree-ssa-pre.c (phi_translate_1): Fully fold translated
7856 nary before looking up or entering the expression into the VN
7858 * tree-ssa-sccvn.c (vn_nary_build_or_lookup): Fix comment typo.
7859 Make sure to re-use NARYs without result as inserted by
7862 2016-05-12 Richard Biener <rguenther@suse.de>
7864 PR tree-optimization/71062
7865 * tree-ssa-alias.h (struct pt_solution): Add vars_contains_restrict
7867 * tree-ssa-structalias.c (set_uids_in_ptset): Set
7868 vars_contains_restrict if the var is a restrict tag.
7869 * tree-ssa-alias.c (ptrs_compare_unequal): If vars_contains_restrict
7870 do not disambiguate pointers against it.
7871 (dump_points_to_solution): Re-structure and adjust for new
7872 vars_contains_restrict flag.
7873 * gimple-pretty-print.c (pp_points_to_solution): Likewise.
7875 2016-05-12 Martin Liska <mliska@suse.cz>
7877 * doc/invoke.texi: Explain connection between
7878 -fsanitize-recover=address and ASAN_OPTIONS="halt_on_error=1".
7880 2016-05-12 Ilya Enkovich <ilya.enkovich@intel.com>
7882 PR tree-optimization/71006
7883 * tree-vect-loop.c (vect_determine_vectorization_factor): Don't
7884 consider COND_EXPR as a mask producer.
7886 2016-05-12 Marek Polacek <polacek@redhat.com>
7889 * opts.c (common_handle_option): Detect missing argument for --help^.
7891 2016-05-12 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
7894 * config/arm/arm.c (arm_output_multireg_pop): Avoid POP instruction
7895 when popping the PC and within an interrupt handler routine.
7896 Add missing tab to output of "ldmfd".
7897 (output_return_instruction): Output LDMFD with SP update rather
7898 than POP when returning from interrupt handler.
7900 2016-05-12 Jakub Jelinek <jakub@redhat.com>
7902 * config/i386/i386.md (isa): Add x64_avx512dq, enable if
7903 TARGET_64BIT && TARGET_AVX512DQ.
7904 * config/i386/sse.md (*vec_extract<mode>): Add avx512bw alternatives.
7905 (*vec_extract<PEXTR_MODE12:mode>_zext): Add avx512bw alternative.
7906 (*vec_extract<ssevecmodelower>_0, *vec_extractv4si_0_zext,
7907 *vec_extractv2di_0_sse): Use v constraint instead of x constraint.
7908 (*vec_extractv4si): Add avx512dq and avx512bw alternatives.
7909 (*vec_extractv4si_zext): Add avx512dq alternative.
7910 (*vec_extractv2di_1): Add x64_avx512dq and avx512bw alternatives,
7911 use v instead of x constraint in other alternatives where possible.
7913 * config/i386/sse.md (sse2_loadld): Use v instead of x
7914 constraint in alternatives 0,1,4.
7916 * config/i386/sse.md (pinsr_evex_isa): New mode attr.
7917 (<sse2p4_1>_pinsr<ssemodesuffix>): Add 2 alternatives with
7918 v constraints instead of x and <pinsr_evex_isa> isa attribute.
7921 * config/i386/sse.md (<sse2_avx2>_packssdw<mask_name>,
7922 <sse4_1_avx2>_packusdw<mask_name>): Make sure EVEX encoded insn
7923 is not emitted unless TARGET_AVX512BW.
7924 (<sse2_avx2>_packuswb<mask_name>, <sse2_avx2>_packsswb<mask_name>):
7925 Likewise. For TARGET_AVX512BW, use "=v" constraint instead of "=x"
7926 for the result operand.
7928 * config/i386/sse.md (*vec_setv4sf_sse4_1, sse4_1_insertps): Use v
7929 constraint instead of x in avx alternatives. Use maybe_evex instead
7932 * config/i386/constraints.md (Yv): New constraint.
7933 * config/i386/i386.h (VALID_AVX512VL_128_REG_MODE): Allow
7934 TFmode and V1TImode in xmm16+ registers for TARGET_AVX512VL.
7935 * config/i386/i386.md (avx512fvecmode): New mode attr.
7936 (*pushtf): Use v constraint instead of x.
7937 (*movtf_internal): Likewise. For TARGET_AVX512VL and
7938 xmm16+ registers, use vmovdqu64 or vmovdqa64 instructions.
7939 (*absneg<mode>2): Use Yv constraint instead of x constraint.
7940 (*absnegtf2_sse): Likewise.
7941 (copysign<mode>3_const, copysign<mode>3_var): Likewise.
7942 * config/i386/sse.md (*andnot<mode>3): Add avx512vl and
7943 avx512f alternatives.
7944 (*andnottf3, *<code><mode>3, *<code>tf3): Likewise.
7946 2016-05-12 Richard Biener <rguenther@suse.de>
7948 PR tree-optimization/71060
7949 * tree-data-ref.c (initialize_data_dependence_relation): Do not
7950 require exact match of DR_BASE_OBJECT but only matching address and
7953 2016-05-12 Richard Biener <rguenther@suse.de>
7955 PR tree-optimization/70986
7956 * cfganal.c: Include cfgloop.h.
7957 (dfs_find_deadend): Prefer to take edges exiting loops.
7959 2016-05-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
7961 * gcc.target/powerpc/pr70963.c: Require at least power8 at both
7962 compile and run time.
7964 2016-05-11 Mikhail Maltsev <maltsevm@gmail.com>
7967 * doc/invoke.texi (Wduplicate-decl-specifier): Document new option.
7969 2016-05-11 Uros Bizjak <ubizjak@gmail.com>
7971 * config/i386/i386.c (legitimize_pic_address): Use
7972 copy_to_suggested_reg instead of gen_movsi.
7974 2016-05-11 Michael Meissner <meissner@linux.vnet.ibm.com>
7976 * config/rs6000/predicates.md (quad_memory_operand): Move most of
7977 the code into quad_address_p and call it to share code with
7978 vsx_quad_dform_memory_operand.
7979 (vsx_quad_dform_memory_operand): New predicate for ISA 3.0 vector
7981 * config/rs6000/rs6000.opt (-mlra): Switch to being an option mask
7982 bit instead of being a separate word. Split -mpower9-dform into
7983 two switches, -mpower9-dform-scalar and -mpower9-dform-vector.
7984 * config/rs6000/rs6000.c (RELOAD_REG_QUAD_OFFSET): New addr_mask
7985 for the register class supporting 128-bit quad word memory offsets.
7986 (mode_supports_vsx_dform_quad): Helper function to return if the
7987 register class uses quad word memory offsets.
7988 (rs6000_debug_addr_mask): Add support for quad word memory offsets.
7989 (rs6000_debug_reg_global): Always print if we are using LRA or not.
7990 (rs6000_setup_reg_addr_masks): If ISA 3.0 vector d-form
7991 instructions are enabled, set up the appropriate addr_masks for
7993 (rs6000_init_hard_regno_mode_ok): wb constraint is now based on
7994 -mpower9-dform-scalar, instead of -mpower9-dform.
7995 (rs6000_option_override_internal): Split -mpower9-dform into two
7996 switches, -mpower9-dform-scalar and -mpower9-dform-vector. The
7997 -mpower9-dform switch sets or clears both. If we are not using
7998 the LRA register allocator, do not enable -mpower9-dform-vector by
7999 default. If we are using LRA, enable -mpower9-dform-vector and
8000 -mvsx-timode if it is appropriate. Issue a warning if either
8001 -mpower9-dform-vector or -mvsx-timode are explicitly used without
8003 (quad_address_offset_p): New helper function to return if the
8004 offset is legal for quad word memory instructions.
8005 (quad_address_p): New function to determin if GPR or vector
8006 register quad word memory addresses are legal.
8007 (mem_operand_gpr): Validate quad word address offsets.
8008 (reg_offset_addressing_ok_p): Add support for ISA 3.0 vector
8009 d-form (register + offset) instructions.
8010 (offsettable_ok_by_alignment): Likewise.
8011 (rs6000_legitimate_offset_address_p): Likewise.
8012 (legitimate_lo_sum_address_p): Likewise.
8013 (rs6000_legitimize_address): Likewise.
8014 (rs6000_legitimize_reload_address): Add more debug statements for
8016 (rs6000_legitimate_address_p): Add support for ISA 3.0 vector
8017 d-form instructions.
8018 (rs6000_secondary_reload_memory): Add support for ISA 3.0 vector
8019 d-form instructions. Distinguish different cases in debug
8020 output. (rs6000_secondary_reload_inner): Add support for ISA 3.0 vector
8021 d-form instructions.
8022 (rs6000_preferred_reload_class): Likewise.
8023 (rs6000_output_move_128bit): Add support for ISA 3.0 d-form
8024 instructions. If ISA 3.0 is available, generate lxvx/stxvx instead
8025 of the ISA 2.06 indexed memory instructions.
8026 (rs6000_emit_prologue): If we have ISA 3.0 d-form instructions,
8027 use them to save/restore the saved vector registers instead of
8028 using Altivec instructions.
8029 (rs6000_emit_epilogue): Likewise.
8030 (rs6000_lra_p): Use TARGET_LRA instead of the old option word.
8031 (rs6000_opt_masks): Split -mpower9-dform into
8032 -mpower9-dform-scalar and -mpower9-dform-vector.
8033 (rs6000_print_options_internal): Print -mno-<switch> if <switch>
8035 * config/rs6000/vsx.md (p9_vecload_<mode>): Delete hack to emit
8036 ISA 3.0 vector indexed memory instructions, and fold the code into
8037 the normal mov<mode> patterns.
8038 (p9_vecstore_<mode>): Likewise.
8039 (vsx_mov<mode>): Add support for ISA 3.0 vector d-form
8041 (vsx_movti_64bit): Likewise.
8042 (vsx_movti_32bit): Likewise.
8043 * config/rs6000/constraints.md (wO constraint): New constraint for
8044 ISA 3.0 vector d-form support.
8045 * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Use
8046 -mpower9-dform-scalar instead of -mpower9-dform. Add note not to
8047 include -mpower9-dform-vector until we switch over to LRA.
8048 (POWERPC_MASKS): Add -mlra. Split -mpower9-dform into two.
8049 switches, -mpower9-dform-scalar and -mpower9-dform-vector.
8050 * config/rs6000/rs6000-protos.h (quad_address_p): Add declaration.
8051 * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
8052 for -mpower9-dform and -mlra.
8053 * doc/md.texi (wO constraint): Document wO constraint.
8055 2016-05-11 Alexander Monakov <amonakov@ispras.ru>
8057 * genattr.c (main): Change 'rtx' to 'rtx_insn *' in prototypes of
8058 'insn_latency', 'maximal_insn_latency', 'min_insn_conflict_delay'.
8059 * genautomata.c (output_internal_insn_code_evaluation): Simplify.
8060 Move handling of non-insn arguments inline into the sole user:
8061 (output_trans_func): ...here.
8062 (output_min_insn_conflict_delay_func): Change 'rtx' to 'rtx_insn *'
8063 in emitted function prototype.
8064 (output_internal_insn_latency_func): Ditto. Simplify.
8065 (output_internal_maximal_insn_latency_func): Ditto. Delete
8066 always-unused argument.
8067 (output_insn_latency_func): Ditto.
8068 (output_maximal_insn_latency_func): Ditto.
8070 2016-05-11 Richard Biener <rguenther@suse.de>
8072 PR tree-optimization/71055
8073 * tree-ssa-sccvn.c (vn_reference_lookup_3): When native-interpreting
8074 sth with precision not equal to access size verify we don't chop
8077 2016-05-11 Richard Biener <rguenther@suse.de>
8080 * dwarf2out.c (retry_incomplete_types): Set early_dwarf.
8081 (dwarf2out_finish): Move retry_incomplete_types call ...
8082 (dwarf2out_early_finish): ... here.
8084 2016-05-11 Richard Biener <rguenther@suse.de>
8087 * alias.c (reference_alias_ptr_type): Preserve alias-set zero
8088 if the langhook insists on it.
8089 * fold-const.c (make_bit_field_ref): Add arg for the original
8090 reference and preserve its alias-set.
8091 (decode_field_reference): Take exp by reference and adjust it
8092 to the original memory reference.
8093 (optimize_bit_field_compare): Adjust callers.
8094 (fold_truth_andor_1): Likewise.
8095 * gimplify.c (gimplify_expr): Adjust in-SSA form test.
8097 2016-05-11 Ilya Enkovich <ilya.enkovich@intel.com>
8100 * cfgrtl.h (delete_insn_and_edges): Now return bool.
8101 * cfgrtl.c (delete_insn_and_edges): Likewise.
8102 * config/i386/i386.c (convert_scalars_to_vector): Remove
8104 * cse.c (cse_insn): Compute cse_cfg_altered.
8105 (delete_trivially_dead_insns): Likewise.
8106 (cse_cc_succs): Likewise.
8107 (rest_of_handle_cse): Free dominance info if required.
8108 (rest_of_handle_cse2): Likewise.
8109 (rest_of_handle_cse_after_global_opts): Likewise.
8111 2016-05-11 Alan Modra <amodra@gmail.com>
8113 * config/rs6000/rs6000.c (is_complex_IBM_long_double,
8114 abi_v4_pass_in_fpr): New functions.
8115 (rs6000_function_arg_boundary): Exclude complex IBM long double
8116 from 64-bit alignment when ABI_V4.
8117 (rs6000_function_arg, rs6000_function_arg_advance_1,
8118 rs6000_gimplify_va_arg): Use abi_v4_pass_in_fpr.
8120 2016-05-10 Segher Boessenkool <segher@kernel.crashing.org>
8122 PR rtl-optimization/71028
8123 * cfgcleanup.c (try_optimize_cfg): Do not flip a conditional
8124 jump with just a return in the fallthrough block if the branch
8125 block contains just a return as well.
8127 2016-05-10 Marc Glisse <marc.glisse@inria.fr>
8129 * fold-const.c (fold_binary_loc) [(X ^ Y) & Y]: Remove and merge with...
8130 * match.pd ((X & Y) ^ Y): ... this.
8131 ((X & Y) & Y, (X | Y) | Y, (X ^ Y) ^ Y, (X & Y) & (X & Z), (X | Y)
8132 | (X | Z), (X ^ Y) ^ (X ^ Z)): New transformations.
8134 2016-05-10 David Malcolm <dmalcolm@redhat.com>
8136 * read-md.c (require_char_ws): New function.
8137 (read_string): Simplify using require_char_ws.
8138 (handle_constants): Likewise.
8139 (handle_enum): Likewise.
8140 (handle_file): Likewise.
8141 * read-md.h (require_char_ws): New declaration.
8142 * read-rtl.c (read_conditions): Simplify using require_char_ws.
8143 (read_mapping): Likewise.
8144 (read_rtx_code): Likewise.
8145 (read_nested_rtx): Likewise.
8147 2016-05-10 James Norris <jnorris@codesourcery.com>
8149 * config/rs6000/sysv4.h (CRTOFFLOADBEGIN): Define. Add crtoffloadbegin.o
8150 if offloading is enabled and -fopenacc or -fopenmp is specified.
8151 (CRTOFFLOADEND): Likewise.
8152 (STARTFILE_LINUX_SPEC): Add CRTOFFLOADBEGIN.
8153 (ENDFILE_LINUX_SPEC): Add CRTOFFLOADEND.
8155 2016-05-10 Uros Bizjak <ubizjak@gmail.com>
8157 * config/i386/i386.c (legitimize_pic_address): Merge 64-bit and 32-bit
8158 gotoff_operand code paths. Use copy_to_suggested_regs and
8159 expand_simple_binop where appropriate. Cleanup.
8161 2016-05-10 Ilya Enkovich <ilya.enkovich@intel.com>
8164 * config/i386/i386.c (dimode_scalar_to_vector_candidate_p): Allow
8166 (dimode_scalar_chain::vector_const_cost): New.
8167 (dimode_scalar_chain::compute_convert_gain): Handle constants.
8168 (dimode_scalar_chain::convert_op): Likewise.
8169 (dimode_scalar_chain::convert_insn): Likewise.
8171 2016-05-10 Pierre-Marie de Rodat <derodat@adacore.com>
8173 * dwarf2out.c (resolve_args_picking_1): Consider DW_OP_neg as an
8174 unary operation, not a binary one.
8176 2016-05-10 Ilya Enkovich <ilya.enkovich@intel.com>
8179 * tree-chkp.c (chkp_add_bounds_to_call_stmt): Handle
8180 calls with type casted fndecl.
8182 2016-05-10 Ilya Enkovich <ilya.enkovich@intel.com>
8184 PR tree-optimization/70786
8185 * tree-chkp.c (chkp_find_bounds_1): Support WITH_SIZE_EXPR.
8186 * calls.c (initialize_argument_information): Bind bounds
8187 with corresponding args passed by reference.
8189 2016-05-10 Jakub Jelinek <jakub@redhat.com>
8192 * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>),
8193 *<code><mode>3<mask_name>): For !TARGET_AVX512DQ and EVEX encoding,
8194 use vp*[dq] instead of v*p[sd] instructions and adjust mode attribute
8197 2016-05-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
8200 * config/rs6000/vsx.md (vsx_xvcvdpsxds_scale): Generate correct
8201 code for a zero scale factor.
8202 (vsx_xvcvdpuxds_scale): Likewise.
8204 2016-05-10 David Malcolm <dmalcolm@redhat.com>
8206 * diagnostic-show-locus.c (layout::layout): Call show_ruler
8207 if show_ruler_p was set on the context.
8208 (layout::show_ruler): New method.
8209 * diagnostic.h (struct diagnostic_context): Add field
8212 2016-05-10 Richard Biener <rguenther@suse.de>
8214 PR tree-optimization/71039
8215 * tree-ssa-phiprop.c: Include tree-ssa-loop.h.
8216 (chk_uses): New function.
8217 (propagate_with_phi): Verify we can safely replicate the lhs of an
8218 aggregate assignment on all incoming edges.
8220 2016-05-10 Oleg Endo <olegendo@gcc.gnu.org>
8222 * config/rx/rx-protos.h (is_interrupt_func, is_fast_interrupt_func):
8224 (rx_atomic_sequence): New class.
8225 * config/rx/rx.c (rx_print_operand): Use symbolic names for PSW bits.
8226 (is_interrupt_func, is_fast_interrupt_func): Make non-static and
8228 (rx_atomic_sequence::rx_atomic_sequence,
8229 rx_atomic_sequence::~rx_atomic_sequence): New functions.
8230 * config/rx/rx.md (CTRLREG_PSW, CTRLREG_USP, CTRLREG_FPSW, CTRLREG_CPEN,
8231 CTRLREG_BPSW, CTRLREG_BPC, CTRLREG_ISP, CTRLREG_FINTV,
8232 CTRLREG_INTB): New constants.
8233 (FETCHOP): New code iterator.
8234 (fethcop_name, fetchop_name2): New iterator code attributes.
8235 (QIHI): New mode iterator.
8236 (atomic_exchange<mode>, atomic_exchangesi, xchg_mem<mode>,
8237 atomic_fetch_<fetchop_name>si, atomic_fetch_nandsi,
8238 atomic_<fetchop_name>_fetchsi, atomic_nand_fetchsi): New patterns.
8240 2016-05-10 Martin Liska <mliska@suse.cz>
8242 * tree-inline.c (remap_dependence_clique): Do not remap
8243 debugging statements.
8245 2016-05-10 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
8247 * config/s390/s390.md ("*vec_cmp<insn_cmp>df_cconly")
8248 ("*fixuns_truncdfdi2_z13")
8249 ("*fixuns_trunc<FP:mode><GPR:mode>2_z196")
8250 ("*fix_truncdfdi2_bfp_z13", "*floatunsdidf2_z13")
8251 ("*extendsfdf2_z13"): Replace TARGET_Z13 with TARGET_VX.
8253 2016-05-10 Richard Biener <rguenther@suse.de>
8255 PR tree-optimization/70497
8256 PR tree-optimization/28367
8257 * tree-ssa-sccvn.c (vn_nary_build_or_lookup): New function
8259 (visit_reference_op_load): ... here.
8260 (vn_reference_lookup_3): Use it to handle subreg-like accesses
8261 with simplified BIT_FIELD_REFs.
8262 * tree-ssa-pre.c (eliminate_insert): Handle inserting BIT_FIELD_REFs.
8263 * tree-complex.c (extract_component): Handle BIT_FIELD_REFs
8266 2016-05-10 Pierre-Marie de Rodat <derodat@adacore.com>
8268 * dwarf2out.c (add_abstract_origin_attribute): Adjust
8269 documentation comment. For BLOCK nodes, add a
8270 DW_AT_abstract_origin attribute that points to the DIE generated
8271 for the origin BLOCK.
8272 (gen_lexical_block_die): Call add_abstract_origin_attribute for
8273 blocks from inlined functions.
8275 2016-05-10 Alan Modra <amodra@gmail.com>
8278 * config/rs6000/rs6000.c (rs6000_expand_split_stack_prologue): Stop
8279 regrename modifying insns saving lr before __morestack call.
8280 * config/rs6000/rs6000.md (split_stack_return): Similarly for
8281 insns restoring lr after __morestack call.
8283 2016-05-09 Jakub Jelinek <jakub@redhat.com>
8285 * config/i386/i386.md (set_got, set_got_labelled, lwp_llwpcb,
8286 lwp_lwpval<mode>3, lwp_lwpins<mode>3): Remove constraints from
8288 * config/i386/sse.md (vec_interleave_high<mode>,
8289 vec_interleave_low<mode>, <avx512>_vpermi2var<mode>3_maskz,
8290 <avx512>_vpermt2var<mode>3_maskz): Likewise.
8292 2016-05-04 Aaron Sawdey <acsawdey@linux.vnet.ibm.com>
8294 * config/rs6000/rs6000.c (rs6000_reassociation_width): Add
8295 function for TARGET_SCHED_REASSOCIATION_WIDTH to enable
8296 parallel reassociation for power8 and forward.
8298 2016-05-09 Uros Bizjak <ubizjak@gmail.com>
8300 * config/i386/i386.md (absneg splitters with general regs): Use
8301 general_reg_operand predicate.
8302 (btsq peephole2): Use x86_64_immediate_operand to check if new
8303 value is suitable for immediate operand. Generate emitted insn
8304 using RTL expressions.
8305 (btcq peephole2): Ditto.
8306 (btrq peephole2): Ditto. Generate correct immediate operand
8309 2016-05-09 Richard Sandiford <richard.sandiford@arm.com>
8311 * cfgexpand.c (expand_debug_expr): Fix address offset for negative
8314 2016-05-09 Richard Sandiford <richard.sandiford@arm.com>
8316 * tree-affine.c (wide_int_constant_multiple_p): Add missing
8317 pointer dereference.
8319 2016-05-09 Richard Biener <rguenther@suse.de>
8321 PR tree-optimization/70985
8322 * match.pd (BIT_FIELD_REF -> (type)): Disable on GIMPLE when
8323 op0 isn't a gimple register.
8325 2016-05-09 Prachi Godbole <prachi.godbole@imgtec.com>
8327 * config/mips/i6400.md (i6400_fpu_intadd, i6400_fpu_logic)
8328 (i6400_fpu_div, i6400_fpu_cmp, i6400_fpu_float, i6400_fpu_store)
8329 (i6400_fpu_long_pipe, i6400_fpu_logic_l, i6400_fpu_float_l)
8330 (i6400_fpu_mult): New cpu units.
8331 (i6400_msa_add_d, i6400_msa_int_add, i6400_msa_short_logic3)
8332 (i6400_msa_short_logic2, i6400_msa_short_logic, i6400_msa_move)
8333 (i6400_msa_cmp, i6400_msa_short_float2, i6400_msa_div_d)
8334 (i6400_msa_div_w, i6400_msa_div_h, i6400_msa_div_b)
8335 (i6400_msa_copy, i6400_msa_branch, i6400_fpu_msa_store)
8336 (i6400_fpu_msa_load, i6400_fpu_msa_move, i6400_msa_long_logic1)
8337 (i6400_msa_long_logic2, i6400_msa_mult, i6400_msa_long_float2)
8338 (i6400_msa_long_float4, i6400_msa_long_float5)
8339 (i6400_msa_long_float8, i6400_msa_fdiv_df)
8340 (i6400_msa_fdiv_sf): New reservations.
8341 * config/mips/p5600.md (p5600_fpu_intadd, p5600_fpu_cmp)
8342 (p5600_fpu_float, p5600_fpu_logic_a, p5600_fpu_logic_b)
8343 (p5600_fpu_div, p5600_fpu_logic, p5600_fpu_float_a)
8344 (p5600_fpu_float_b, p5600_fpu_float_c, p5600_fpu_float_d)
8345 (p5600_fpu_mult, p5600_fpu_fdiv, p5600_fpu_load): New cpu units.
8346 (msa_short_int_add, msa_short_logic, msa_short_logic_move_v)
8347 (msa_short_cmp, msa_short_float2, msa_short_logic3)
8348 (msa_short_store4, msa_long_load, msa_short_store)
8349 (msa_long_logic, msa_long_float2, msa_long_float4)
8350 (msa_long_float5, msa_long_float8, msa_long_mult)
8351 (msa_long_fdiv, msa_long_div): New reservations.
8353 2016-05-09 Robert Suchanek <robert.suchanek@imgtec.com>
8354 Sameera Deshpande <sameera.deshpande@imgtec.com>
8355 Matthew Fortune <matthew.fortune@imgtec.com>
8356 Graham Stott <graham.stott@imgtec.com>
8357 Chao-ying Fu <chao-ying.fu@imgtec.com>
8359 * config.gcc: Add MSA header file for mips*-*-* target.
8360 * config/mips/constraints.md (YI, YC, YZ, Unv5, Uuv5, Usv5, Uuv6)
8361 (Ubv8i, Urv8): New constraints.
8362 * config/mips/mips-ftypes.def: Add function types for MSA
8364 * config/mips/mips-modes.def (V16QI, V8HI, V4SI, V2DI, V4SF)
8365 (V2DF, V32QI, V16HI, V8SI, V4DI, V8SF, V4DF): New modes.
8366 * config/mips/mips-msa.md: New file.
8367 * config/mips/mips-protos.h
8368 (mips_split_128bit_const_insns): New prototype.
8369 (mips_msa_idiv_insns): Likewise.
8370 (mips_split_128bit_move): Likewise.
8371 (mips_split_128bit_move_p): Likewise.
8372 (mips_split_msa_copy_d): Likewise.
8373 (mips_split_msa_insert_d): Likewise.
8374 (mips_split_msa_fill_d): Likewise.
8375 (mips_expand_msa_branch): Likewise.
8376 (mips_const_vector_same_val_p): Likewise.
8377 (mips_const_vector_same_bytes_p): Likewise.
8378 (mips_const_vector_same_int_p): Likewise.
8379 (mips_const_vector_shuffle_set_p): Likewise.
8380 (mips_const_vector_bitimm_set_p): Likewise.
8381 (mips_const_vector_bitimm_clr_p): Likewise.
8382 (mips_msa_vec_parallel_const_half): Likewise.
8383 (mips_msa_output_division): Likewise.
8384 (mips_ldst_scaled_shift): Likewise.
8385 (mips_expand_vec_cond_expr): Likewise.
8386 * config/mips/mips.c (enum mips_builtin_type): Add
8387 MIPS_BUILTIN_MSA_TEST_BRANCH.
8388 (mips_gen_const_int_vector_shuffle): New prototype.
8389 (mips_const_vector_bitimm_set_p): New function.
8390 (mips_const_vector_bitimm_clr_p): Likewise.
8391 (mips_const_vector_same_val_p): Likewise.
8392 (mips_const_vector_same_bytes_p): Likewise.
8393 (mips_const_vector_same_int_p): Likewise.
8394 (mips_const_vector_shuffle_set_p): Likewise.
8395 (mips_symbol_insns): Forbid loading symbols via immediate for
8397 (mips_valid_offset_p): Limit offset to 10-bit for MSA loads and
8399 (mips_valid_lo_sum_p): Forbid loadings symbols via %lo(base) for
8401 (mips_lx_address_p): Add support load indexed address for MSA.
8402 (mips_address_insns): Add calculation of instructions needed for
8403 stores and loads for MSA.
8404 (mips_const_insns): Move CONST_DOUBLE below CONST_VECTOR. Handle
8405 CONST_VECTOR for MSA and let it fall through.
8406 (mips_ldst_scaled_shift): New function.
8407 (mips_subword_at_byte): Likewise.
8408 (mips_msa_idiv_insns): Likewise.
8409 (mips_legitimize_move): Validate MSA moves.
8410 (mips_rtx_costs): Add UNGE, UNGT, UNLE, UNLT cases. Add
8411 calculation of costs for MSA division.
8412 (mips_split_move_p): Check if MSA moves need splitting.
8413 (mips_split_move): Split MSA moves if necessary.
8414 (mips_split_128bit_move_p): New function.
8415 (mips_split_128bit_move): Likewise.
8416 (mips_split_msa_copy_d): Likewise.
8417 (mips_split_msa_insert_d): Likewise.
8418 (mips_split_msa_fill_d): Likewise.
8419 (mips_output_move): Handle MSA moves.
8420 (mips_expand_msa_branch): New function.
8421 (mips_print_operand): Add 'E', 'B', 'w', 'v' and 'V' modifiers.
8422 Reinstate 'y' modifier.
8423 (mips_file_start): Add MSA .gnu_attribute.
8424 (mips_hard_regno_mode_ok_p): Allow TImode and 128-bit vectors in
8426 (mips_hard_regno_nregs): Always return 1 for MSA supported mode.
8427 (mips_class_max_nregs): Add register size for MSA supported mode.
8428 (mips_cannot_change_mode_class): Allow conversion between MSA
8429 vector modes and TImode.
8430 (mips_mode_ok_for_mov_fmt_p): Allow MSA to use move.v
8432 (mips_secondary_reload_class): Force MSA loads/stores via memory.
8433 (mips_preferred_simd_mode): Add preffered modes for MSA.
8434 (mips_vector_mode_supported_p): Add MSA supported modes.
8435 (mips_autovectorize_vector_sizes): New function.
8436 (mips_msa_output_division): Likewise.
8437 (MSA_BUILTIN, MIPS_BUILTIN_DIRECT_NO_TARGET)
8438 (MSA_NO_TARGET_BUILTIN, MSA_BUILTIN_TEST_BRANCH): New macros.
8439 (CODE_FOR_msa_adds_s_b, CODE_FOR_msa_adds_s_h)
8440 (CODE_FOR_msa_adds_s_w, CODE_FOR_msa_adds_s_d)
8441 (CODE_FOR_msa_adds_u_b, CODE_FOR_msa_adds_u_h)
8442 (CODE_FOR_msa_adds_u_w, CODE_FOR_msa_adds_u_du
8443 (CODE_FOR_msa_addv_b, CODE_FOR_msa_addv_h, CODE_FOR_msa_addv_w)
8444 (CODE_FOR_msa_addv_d, CODE_FOR_msa_and_v, CODE_FOR_msa_bmnz_v)
8445 (CODE_FOR_msa_bmnzi_b, CODE_FOR_msa_bmz_v, CODE_FOR_msa_bmzi_b)
8446 (CODE_FOR_msa_bnz_v, CODE_FOR_msa_bz_v, CODE_FOR_msa_bsel_v)
8447 (CODE_FOR_msa_bseli_b, CODE_FOR_msa_ceqi_h, CODE_FOR_msa_ceqi_w)
8448 (CODE_FOR_msa_ceqi_d, CODE_FOR_msa_clti_s_b)
8449 (CODE_FOR_msa_clti_s_h, CODE_FOR_msa_clti_s_w)
8450 (CODE_FOR_msa_clti_s_d, CODE_FOR_msa_clti_u_b)
8451 (CODE_FOR_msa_clti_u_h, CODE_FOR_msa_clti_u_w)
8452 (CODE_FOR_msa_clti_u_d, CODE_FOR_msa_clei_s_b)
8453 (CODE_FOR_msa_clei_s_h, CODE_FOR_msa_clei_s_w)
8454 (CODE_FOR_msa_clei_s_d, CODE_FOR_msa_clei_u_b)
8455 (CODE_FOR_msa_clei_u_h, CODE_FOR_msa_clei_u_w)
8456 (CODE_FOR_msa_clei_u_d, CODE_FOR_msa_div_s_b)
8457 (CODE_FOR_msa_div_s_h, CODE_FOR_msa_div_s_w)
8458 (CODE_FOR_msa_div_s_d, CODE_FOR_msa_div_u_b)
8459 (CODE_FOR_msa_div_u_h, CODE_FOR_msa_div_u_w)
8460 (CODE_FOR_msa_div_u_d, CODE_FOR_msa_fadd_w, CODE_FOR_msa_fadd_d)
8461 (CODE_FOR_msa_fexdo_w, CODE_FOR_msa_ftrunc_s_w)
8462 (CODE_FOR_msa_ftrunc_s_d, CODE_FOR_msa_ftrunc_u_w)
8463 (CODE_FOR_msa_ftrunc_u_d, CODE_FOR_msa_ffint_s_w)
8464 (CODE_FOR_msa_ffint_s_d, CODE_FOR_msa_ffint_u_w)
8465 (CODE_FOR_msa_ffint_u_d, CODE_FOR_msa_fsub_w)
8466 (CODE_FOR_msa_fsub_d, CODE_FOR_msa_fmsub_d, CODE_FOR_msa_fmadd_w)
8467 (CODE_FOR_msa_fmadd_d, CODE_FOR_msa_fmsub_w, CODE_FOR_msa_fmul_w)
8468 (CODE_FOR_msa_fmul_d, CODE_FOR_msa_fdiv_w, CODE_FOR_msa_fdiv_d)
8469 (CODE_FOR_msa_fmax_w, CODE_FOR_msa_fmax_d, CODE_FOR_msa_fmax_a_w)
8470 (CODE_FOR_msa_fmax_a_d, CODE_FOR_msa_fmin_w, CODE_FOR_msa_fmin_d)
8471 (CODE_FOR_msa_fmin_a_w, CODE_FOR_msa_fmin_a_d)
8472 (CODE_FOR_msa_fsqrt_w, CODE_FOR_msa_fsqrt_d)
8473 (CODE_FOR_msa_max_s_b, CODE_FOR_msa_max_s_h)
8474 (CODE_FOR_msa_max_s_w, CODE_FOR_msa_max_s_d)
8475 (CODE_FOR_msa_max_u_b, CODE_FOR_msa_max_u_h)
8476 (CODE_FOR_msa_max_u_w, CODE_FOR_msa_max_u_d)
8477 (CODE_FOR_msa_min_s_b, CODE_FOR_msa_min_s_h)
8478 (CODE_FOR_msa_min_s_w, CODE_FOR_msa_min_s_d)
8479 (CODE_FOR_msa_min_u_b, CODE_FOR_msa_min_u_h)
8480 (CODE_FOR_msa_min_u_w, CODE_FOR_msa_min_u_d)
8481 (CODE_FOR_msa_mod_s_b, CODE_FOR_msa_mod_s_h)
8482 (CODE_FOR_msa_mod_s_w, CODE_FOR_msa_mod_s_d)
8483 (CODE_FOR_msa_mod_u_b, CODE_FOR_msa_mod_u_h)
8484 (CODE_FOR_msa_mod_u_w, CODE_FOR_msa_mod_u_d)
8485 (CODE_FOR_msa_mod_s_b, CODE_FOR_msa_mod_s_h)
8486 (CODE_FOR_msa_mod_s_w, CODE_FOR_msa_mod_s_d)
8487 (CODE_FOR_msa_mod_u_b, CODE_FOR_msa_mod_u_h)
8488 (CODE_FOR_msa_mod_u_w, CODE_FOR_msa_mod_u_d)
8489 (CODE_FOR_msa_mulv_b, CODE_FOR_msa_mulv_h, CODE_FOR_msa_mulv_w)
8490 (CODE_FOR_msa_mulv_d, CODE_FOR_msa_nlzc_b, CODE_FOR_msa_nlzc_h)
8491 (CODE_FOR_msa_nlzc_w, CODE_FOR_msa_nlzc_d, CODE_FOR_msa_nor_v)
8492 (CODE_FOR_msa_or_v, CODE_FOR_msa_ori_b, CODE_FOR_msa_nori_b)
8493 (CODE_FOR_msa_pcnt_b, CODE_FOR_msa_pcnt_h, CODE_FOR_msa_pcnt_w)
8494 (CODE_FOR_msa_pcnt_d, CODE_FOR_msa_xor_v, CODE_FOR_msa_xori_b)
8495 (CODE_FOR_msa_sll_b, CODE_FOR_msa_sll_h, CODE_FOR_msa_sll_w)
8496 (CODE_FOR_msa_sll_d, CODE_FOR_msa_slli_b, CODE_FOR_msa_slli_h)
8497 (CODE_FOR_msa_slli_w, CODE_FOR_msa_slli_d, CODE_FOR_msa_sra_b)
8498 (CODE_FOR_msa_sra_h, CODE_FOR_msa_sra_w, CODE_FOR_msa_sra_d)
8499 (CODE_FOR_msa_srai_b, CODE_FOR_msa_srai_h, CODE_FOR_msa_srai_w)
8500 (CODE_FOR_msa_srai_d, CODE_FOR_msa_srl_b, CODE_FOR_msa_srl_h)
8501 (CODE_FOR_msa_srl_w, CODE_FOR_msa_srl_d, CODE_FOR_msa_srli_b)
8502 (CODE_FOR_msa_srli_h, CODE_FOR_msa_srli_w, CODE_FOR_msa_srli_d)
8503 (CODE_FOR_msa_subv_b, CODE_FOR_msa_subv_h, CODE_FOR_msa_subv_w)
8504 (CODE_FOR_msa_subv_d, CODE_FOR_msa_subvi_b, CODE_FOR_msa_subvi_h)
8505 (CODE_FOR_msa_subvi_w, CODE_FOR_msa_subvi_d, CODE_FOR_msa_move_v)
8506 (CODE_FOR_msa_vshf_b, CODE_FOR_msa_vshf_h, CODE_FOR_msa_vshf_w)
8507 (CODE_FOR_msa_vshf_d, CODE_FOR_msa_ilvod_d, CODE_FOR_msa_ilvev_d)
8508 (CODE_FOR_msa_pckod_d, CODE_FOR_msa_pckdev_d, CODE_FOR_msa_ldi_b)
8509 (CODE_FOR_msa_ldi_hi, CODE_FOR_msa_ldi_w)
8510 (CODE_FOR_msa_ldi_d): New code_aliasing macros.
8511 (mips_builtins): Add MSA sll_b, sll_h, sll_w, sll_d, slli_b,
8512 slli_h, slli_w, slli_d, sra_b, sra_h, sra_w, sra_d, srai_b,
8513 srai_h, srai_w, srai_d, srar_b, srar_h, srar_w, srar_d, srari_b,
8514 srari_h, srari_w, srari_d, srl_b, srl_h, srl_w, srl_d, srli_b,
8515 srli_h, srli_w, srli_d, srlr_b, srlr_h, srlr_w, srlr_d, srlri_b,
8516 srlri_h, srlri_w, srlri_d, bclr_b, bclr_h, bclr_w, bclr_d,
8517 bclri_b, bclri_h, bclri_w, bclri_d, bset_b, bset_h, bset_w,
8518 bset_d, bseti_b, bseti_h, bseti_w, bseti_d, bneg_b, bneg_h,
8519 bneg_w, bneg_d, bnegi_b, bnegi_h, bnegi_w, bnegi_d, binsl_b,
8520 binsl_h, binsl_w, binsl_d, binsli_b, binsli_h, binsli_w,
8521 binsli_d, binsr_b, binsr_h, binsr_w, binsr_d, binsri_b, binsri_h,
8522 binsri_w, binsri_d, addv_b, addv_h, addv_w, addv_d, addvi_b,
8523 addvi_h, addvi_w, addvi_d, subv_b, subv_h, subv_w, subv_d,
8524 subvi_b, subvi_h, subvi_w, subvi_d, max_s_b, max_s_h, max_s_w,
8525 max_s_d, maxi_s_b, maxi_s_h, maxi_s_w, maxi_s_d, max_u_b,
8526 max_u_h, max_u_w, max_u_d, maxi_u_b, maxi_u_h, maxi_u_w,
8527 maxi_u_d, min_s_b, min_s_h, min_s_w, min_s_d, mini_s_b, mini_s_h,
8528 mini_s_w, mini_s_d, min_u_b, min_u_h, min_u_w, min_u_d, mini_u_b,
8529 mini_u_h, mini_u_w, mini_u_d, max_a_b, max_a_h, max_a_w, max_a_d,
8530 min_a_b, min_a_h, min_a_w, min_a_d, ceq_b, ceq_h, ceq_w, ceq_d,
8531 ceqi_b, ceqi_h, ceqi_w, ceqi_d, clt_s_b, clt_s_h, clt_s_w,
8532 clt_s_d, clti_s_b, clti_s_h, clti_s_w, clti_s_d, clt_u_b,
8533 clt_u_h, clt_u_w, clt_u_d, clti_u_b, clti_u_h, clti_u_w,
8534 clti_u_d, cle_s_b, cle_s_h, cle_s_w, cle_s_d, clei_s_b, clei_s_h,
8535 clei_s_w, clei_s_d, cle_u_b, cle_u_h, cle_u_w, cle_u_d, clei_u_b,
8536 clei_u_h, clei_u_w, clei_u_d, ld_b, ld_h, ld_w, ld_d, st_b, st_h,
8537 st_w, st_d, sat_s_b, sat_s_h, sat_s_w, sat_s_d, sat_u_b, sat_u_h,
8538 sat_u_w, sat_u_d, add_a_b, add_a_h, add_a_w, add_a_d, adds_a_b,
8539 adds_a_h, adds_a_w, adds_a_d, adds_s_b, adds_s_h, adds_s_w,
8540 adds_s_d, adds_u_b, adds_u_h, adds_u_w, adds_u_d, ave_s_b,
8541 ave_s_h, ave_s_w, ave_s_d, ave_u_b, ave_u_h, ave_u_w, ave_u_d,
8542 aver_s_b, aver_s_h, aver_s_w, aver_s_d, aver_u_b, aver_u_h,
8543 aver_u_w, aver_u_d, subs_s_b, subs_s_h, subs_s_w, subs_s_d,
8544 subs_u_b, subs_u_h, subs_u_w, subs_u_d, subsuu_s_b, subsuu_s_h,
8545 subsuu_s_w, subsuu_s_d, subsus_u_b, subsus_u_h, subsus_u_w,
8546 subsus_u_d, asub_s_b, asub_s_h, asub_s_w, asub_s_d, asub_u_b,
8547 asub_u_h, asub_u_w, asub_u_d, mulv_b, mulv_h, mulv_w, mulv_d,
8548 maddv_b, maddv_h, maddv_w, maddv_d, msubv_b, msubv_h, msubv_w,
8549 msubv_d, div_s_b, div_s_h, div_s_w, div_s_d, div_u_b, div_u_h,
8550 div_u_w, div_u_d, hadd_s_h, hadd_s_w, hadd_s_d, hadd_u_h,
8551 hadd_u_w, hadd_u_d, hsub_s_h, hsub_s_w, hsub_s_d, hsub_u_h,
8552 hsub_u_w, hsub_u_d, mod_s_b, mod_s_h, mod_s_w, mod_s_d, mod_u_b,
8553 mod_u_h, mod_u_w, mod_u_d, dotp_s_h, dotp_s_w, dotp_s_d,
8554 dotp_u_h, dotp_u_w, dotp_u_d, dpadd_s_h, dpadd_s_w, dpadd_s_d,
8555 dpadd_u_h, dpadd_u_w, dpadd_u_d, dpsub_s_h, dpsub_s_w, dpsub_s_d,
8556 dpsub_u_h, dpsub_u_w, dpsub_u_d, sld_b, sld_h, sld_w, sld_d,
8557 sldi_b, sldi_h, sldi_w, sldi_d, splat_b, splat_h, splat_w,
8558 splat_d, splati_b, splati_h, splati_w, splati_d, pckev_b,
8559 pckev_h, pckev_w, pckev_d, pckod_b, pckod_h, pckod_w, pckod_d,
8560 ilvl_b, ilvl_h, ilvl_w, ilvl_d, ilvr_b, ilvr_h, ilvr_w, ilvr_d,
8561 ilvev_b, ilvev_h, ilvev_w, ilvev_d, ilvod_b, ilvod_h, ilvod_w,
8562 ilvod_d, vshf_b, vshf_h, vshf_w, vshf_d, and_v, andi_b, or_v,
8563 ori_b, nor_v, nori_b, xor_v, xori_b, bmnz_v, bmnzi_b, bmz_v,
8564 bmzi_b, bsel_v, bseli_b, shf_b, shf_h, shf_w, bnz_v, bz_v,
8565 fill_b, fill_h, fill_w, fill_d, pcnt_b, pcnt_h, pcnt_w,
8566 pcnt_d, nloc_b, nloc_h, nloc_w, nloc_d, nlzc_b, nlzc_h, nlzc_w,
8567 nlzc_d, copy_s_b, copy_s_h, copy_s_w, copy_s_d, copy_u_b,
8568 copy_u_h, copy_u_w, copy_u_d, insert_b, insert_h, insert_w,
8569 insert_d, insve_b, insve_h, insve_w, insve_d, bnz_b, bnz_h,
8570 bnz_w, bnz_d, bz_b, bz_h, bz_w, bz_d, ldi_b, ldi_h, ldi_w, ldi_d,
8571 fcaf_w, fcaf_d, fcor_w, fcor_d, fcun_w, fcun_d, fcune_w, fcune_d,
8572 fcueq_w, fcueq_d, fceq_w, fceq_d, fcne_w, fcne_d, fclt_w, fclt_d,
8573 fcult_w, fcult_d, fcle_w, fcle_d, fcule_w, fcule_d, fsaf_w,
8574 fsaf_d, fsor_w, fsor_d, fsun_w, fsun_d, fsune_w, fsune_d,
8575 fsueq_w, fsueq_d, fseq_w, fseq_d, fsne_w, fsne_d, fslt_w,
8576 fslt_d, fsult_w, fsult_d, fsle_w, fsle_d, fsule_w, fsule_d,
8577 fadd_w, fadd_d, fsub_w, fsub_d, fmul_w, fmul_d, fdiv_w, fdiv_d,
8578 fmadd_w, fmadd_d, fmsub_w, fmsub_d, fexp2_w, fexp2_d, fexdo_h,
8579 fexdo_w, ftq_h, ftq_w, fmin_w, fmin_d, fmin_a_w, fmin_a_d,
8580 fmax_w, fmax_d, fmax_a_w, fmax_a_d, mul_q_h, mul_q_w, mulr_q_h,
8581 mulr_q_w, madd_q_h, madd_q_w, maddr_q_h, maddr_q_w, msub_q_h,
8582 msub_q_w, msubr_q_h, msubr_q_w, fclass_w, fclass_d, fsqrt_w,
8583 fsqrt_d, frcp_w, frcp_d, frint_w, frint_d, frsqrt_w, frsqrt_d,
8584 flog2_w, flog2_d, fexupl_w, fexupl_d, fexupr_w, fexupr_d, ffql_w,
8585 ffql_d, ffqr_w, ffqr_d, ftint_s_w, ftint_s_d, ftint_u_w,
8586 ftint_u_d, ftrunc_s_w, ftrunc_s_d, ftrunc_u_w, ftrunc_u_d,
8587 ffint_s_w, ffint_s_d, ffint_u_w, ffint_u_d, ctcmsa, cfcmsa,
8589 (mips_get_builtin_decl_index): New array.
8590 (MIPS_ATYPE_QI, MIPS_ATYPE_HI, MIPS_ATYPE_V2DI, MIPS_ATYPE_V4SI)
8591 (MIPS_ATYPE_V8HI, MIPS_ATYPE_V16QI, MIPS_ATYPE_V2DF)
8592 (MIPS_ATYPE_V4SF, MIPS_ATYPE_UV2DI, MIPS_ATYPE_UV4SI)
8593 (MIPS_ATYPE_UV8HI, MIPS_ATYPE_UV16QI): New.
8594 (mips_init_builtins): Initialize mips_get_builtin_decl_index
8596 (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define target
8598 (mips_expand_builtin_insn): Prepare operands for
8599 CODE_FOR_msa_addvi_b, CODE_FOR_msa_addvi_h, CODE_FOR_msa_addvi_w,
8600 CODE_FOR_msa_addvi_d, CODE_FOR_msa_clti_u_b,
8601 CODE_FOR_msa_clti_u_h, CODE_FOR_msa_clti_u_w,
8602 CODE_FOR_msa_clti_u_d, CODE_FOR_msa_clei_u_b,
8603 CODE_FOR_msa_clei_u_h, CODE_FOR_msa_clei_u_w,
8604 CODE_FOR_msa_clei_u_d, CODE_FOR_msa_maxi_u_b,
8605 CODE_FOR_msa_maxi_u_h, CODE_FOR_msa_maxi_u_w,
8606 CODE_FOR_msa_maxi_u_d, CODE_FOR_msa_mini_u_b,
8607 CODE_FOR_msa_mini_u_h, CODE_FOR_msa_mini_u_w,
8608 CODE_FOR_msa_mini_u_d, CODE_FOR_msa_subvi_b,
8609 CODE_FOR_msa_subvi_h, CODE_FOR_msa_subvi_w, CODE_FOR_msa_subvi_d,
8610 CODE_FOR_msa_ceqi_b, CODE_FOR_msa_ceqi_h, CODE_FOR_msa_ceqi_w,
8611 CODE_FOR_msa_ceqi_d, CODE_FOR_msa_clti_s_b,
8612 CODE_FOR_msa_clti_s_h, CODE_FOR_msa_clti_s_w,
8613 CODE_FOR_msa_clti_s_d, CODE_FOR_msa_clei_s_b,
8614 CODE_FOR_msa_clei_s_h, CODE_FOR_msa_clei_s_w,
8615 CODE_FOR_msa_clei_s_d, CODE_FOR_msa_maxi_s_b,
8616 CODE_FOR_msa_maxi_s_h, CODE_FOR_msa_maxi_s_w,
8617 CODE_FOR_msa_maxi_s_d, CODE_FOR_msa_mini_s_b,
8618 CODE_FOR_msa_mini_s_h, CODE_FOR_msa_mini_s_w,
8619 CODE_FOR_msa_mini_s_d, CODE_FOR_msa_andi_b, CODE_FOR_msa_ori_b,
8620 CODE_FOR_msa_nori_b, CODE_FOR_msa_xori_b, CODE_FOR_msa_bmzi_b,
8621 CODE_FOR_msa_bmnzi_b, CODE_FOR_msa_bseli_b, CODE_FOR_msa_fill_b,
8622 CODE_FOR_msa_fill_h, CODE_FOR_msa_fill_w, CODE_FOR_msa_fill_d,
8623 CODE_FOR_msa_ilvl_b, CODE_FOR_msa_ilvl_h, CODE_FOR_msa_ilvl_w,
8624 CODE_FOR_msa_ilvl_d, CODE_FOR_msa_ilvr_b, CODE_FOR_msa_ilvr_h,
8625 CODE_FOR_msa_ilvr_w, CODE_FOR_msa_ilvr_d, CODE_FOR_msa_ilvev_b,
8626 CODE_FOR_msa_ilvev_h, CODE_FOR_msa_ilvev_w, CODE_FOR_msa_ilvod_b,
8627 CODE_FOR_msa_ilvod_h, CODE_FOR_msa_ilvod_w, CODE_FOR_msa_pckev_b,
8628 CODE_FOR_msa_pckev_h, CODE_FOR_msa_pckev_w, CODE_FOR_msa_pckod_b,
8629 CODE_FOR_msa_pckod_h, CODE_FOR_msa_pckod_w, CODE_FOR_msa_slli_b,
8630 CODE_FOR_msa_slli_h, CODE_FOR_msa_slli_w, CODE_FOR_msa_slli_d,
8631 CODE_FOR_msa_srai_b, CODE_FOR_msa_srai_h, CODE_FOR_msa_srai_w,
8632 CODE_FOR_msa_srai_d, CODE_FOR_msa_srli_b, CODE_FOR_msa_srli_h,
8633 CODE_FOR_msa_srli_w, CODE_FOR_msa_srli_d, CODE_FOR_msa_insert_b,
8634 CODE_FOR_msa_insert_h, CODE_FOR_msa_insert_w,
8635 CODE_FOR_msa_insert_d, CODE_FOR_msa_insve_b,
8636 CODE_FOR_msa_insve_h, CODE_FOR_msa_insve_w, CODE_FOR_msa_insve_d,
8637 CODE_FOR_msa_shf_b, CODE_FOR_msa_shf_h, CODE_FOR_msa_shf_w,
8638 CODE_FOR_msa_shf_w_f, CODE_FOR_msa_vshf_b, CODE_FOR_msa_vshf_h,
8639 CODE_FOR_msa_vshf_w, CODE_FOR_msa_vshf_d.
8640 (mips_expand_builtin): Add case for MIPS_BULTIN_MSA_TEST_BRANCH.
8641 (mips_set_compression_mode): Disallow MSA with MIPS16 code.
8642 (mips_option_override): -mmsa requires -mfp64 and -mhard-float.
8643 These are set implicitly and an error is reported if overridden.
8644 (mips_expand_builtin_msa_test_branch): New function.
8645 (mips_expand_msa_shuffle): Likewise.
8646 (MAX_VECT_LEN): Increase maximum length of a vector to 16 bytes.
8647 (TARGET_SCHED_REASSOCIATION_WIDTH): Define target hook.
8648 (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Likewise.
8649 (mips_expand_vec_unpack): Add support for MSA.
8650 (mips_expand_vector_init): Likewise.
8651 (mips_expand_vi_constant): Use CONST0_RTX (element_mode)
8652 instead of const0_rtx.
8653 (mips_msa_vec_parallel_const_half): New function.
8654 (mips_gen_const_int_vector): Likewise.
8655 (mips_gen_const_int_vector_shuffle): Likewise.
8656 (mips_expand_msa_cmp): Likewise.
8657 (mips_expand_vec_cond_expr): Likewise.
8658 * config/mips/mips.h
8659 (TARGET_CPU_CPP_BUILTINS): Add __mips_msa and __mips_msa_width.
8660 (OPTION_DEFAULT_SPECS): Ignore --with-fp-32 if -mmsa is
8662 (ASM_SPEC): Pass mmsa and mno-msa to the assembler.
8663 (ISA_HAS_MSA): New macro.
8664 (UNITS_PER_MSA_REG): Likewise.
8665 (BITS_PER_MSA_REG): Likewise.
8666 (BIGGEST_ALIGNMENT): Redefine using ISA_HAS_MSA.
8667 (MSA_REG_FIRST): New macro.
8668 (MSA_REG_LAST): Likewise.
8669 (MSA_REG_NUM): Likewise.
8670 (MSA_REG_P): Likewise.
8671 (MSA_REG_RTX_P): Likewise.
8672 (MSA_SUPPORTED_MODE_P): Likewise.
8673 (HARD_REGNO_CALL_PART_CLOBBERED): Redefine using TARGET_MSA.
8674 (ADDITIONAL_REGISTER_NAMES): Add named registers $w0-$w31.
8675 * config/mips/mips.md: Include mips-msa.md.
8676 (alu_type): Add simd_add.
8677 (mode): Add V2DI, V4SI, V8HI, V16QI, V2DF, V4SF.
8678 (type): Add simd_div, simd_fclass, simd_flog2, simd_fadd,
8679 simd_fcvt, simd_fmul, simd_fmadd, simd_fdiv, simd_bitins,
8680 simd_bitmov, simd_insert, simd_sld, simd_mul, simd_fcmp,
8681 simd_fexp2, simd_int_arith, simd_bit, simd_shift, simd_splat,
8682 simd_fill, simd_permute, simd_shf, simd_sat, simd_pcnt,
8683 simd_copy, simd_branch, simd_cmsa, simd_fminmax, simd_logic,
8684 simd_move, simd_load, simd_store. Choose "multi" for moves
8686 (qword_mode): New attribute.
8687 (insn_count): Add instruction count for quad moves.
8688 Increase the count for MIPS SIMD division.
8689 (UNITMODE): Add UNITMODEs for vector types.
8690 (addsub): New code iterator.
8691 * config/mips/mips.opt (mmsa): New option.
8692 * config/mips/msa.h: New file.
8693 * config/mips/mti-elf.h: Don't infer -mfpxx if -mmsa is
8695 * config/mips/mti-linux.h: Likewise.
8696 * config/mips/predicates.md
8697 (const_msa_branch_operand): New constraint.
8698 (const_uimm3_operand): Likewise.
8699 (const_uimm4_operand): Likewise.
8700 (const_uimm5_operand): Likewise.
8701 (const_uimm8_operand): Likewise.
8702 (const_imm5_operand): Likewise.
8703 (aq10b_operand): Likewise.
8704 (aq10h_operand): Likewise.
8705 (aq10w_operand): Likewise.
8706 (aq10d_operand): Likewise.
8707 (const_m1_operand): Likewise.
8708 (reg_or_m1_operand): Likewise.
8709 (const_exp_2_operand): Likewise.
8710 (const_exp_4_operand): Likewise.
8711 (const_exp_8_operand): Likewise.
8712 (const_exp_16_operand): Likewise.
8713 (const_vector_same_val_operand): Likewise.
8714 (const_vector_same_simm5_operand): Likewise.
8715 (const_vector_same_uimm5_operand): Likewise.
8716 (const_vector_same_uimm6_operand): Likewise.
8717 (const_vector_same_uimm8_operand): Likewise.
8718 (par_const_vector_shf_set_operand): Likewise.
8719 (reg_or_vector_same_val_operand): Likewise.
8720 (reg_or_vector_same_simm5_operand): Likewise.
8721 (reg_or_vector_same_uimm6_operand): Likewise.
8722 * doc/extend.texi (MIPS SIMD Architecture Functions): New
8724 * doc/invoke.texi (-mmsa): Document new option.
8726 2016-05-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8728 * configure.ac (enable_vtable_verify): Handle --enable-vtable-verify.
8729 * configure: Regenerate.
8730 * config.in: Regenerate.
8731 * gcc.c (VTABLE_VERIFICATION_SPEC) [!ENABLE_VTABLE_VERIFY]: Error
8733 * config/sol2.h [!ENABLE_VTABLE_VERIFY] (STARTFILE_VTV_SPEC): Define.
8734 (ENDFILE_VTV_SPEC): Define.
8736 2016-05-09 Kaushik Phatak <kaushik.phatak@kpit.com>
8738 * config/rl78/rl78.c (rl78_expand_prologue): Save the MDUC related
8739 registers in all interrupt handlers if necessary.
8740 (rl78_option_override): Add warning.
8741 (MUST_SAVE_MDUC_REGISTERS): New macro.
8742 (rl78_expand_epilogue): Restore the MDUC registers if necessary.
8743 * config/rl78/rl78.c (check_mduc_usage): New function.
8744 (mduc_regs): New structure to hold MDUC register data.
8745 * config/rl78/rl78.md (is_g13_muldiv_insn): New attribute.
8746 (mulsi3_g13): Add is_g13_muldiv_insn attribute.
8747 (udivmodsi4_g13): Add is_g13_muldiv_insn attribute.
8748 (mulhi3_g13): Add is_g13_muldiv_insn attribute.
8749 * config/rl78/rl78.opt (msave-mduc-in-interrupts): New option.
8750 * doc/invoke.texi (RL78 Options): Add -msave-mduc-in-interrupts.
8752 2016-05-09 Bin Cheng <bin.cheng@arm.com>
8754 * tree-if-conv.c (tree-ssa-loop.h): Include header file.
8755 (tree-ssa-loop-niter.h): Ditto.
8756 (idx_within_array_bound, ref_within_array_bound): New functions.
8757 (ifcvt_memrefs_wont_trap): Check if array ref is within bound.
8758 Factor out check on writable base object to ...
8759 (base_object_writable): ... here.
8761 2016-05-09 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
8763 * config/arm/arm.md (probe_stack): Add modes to set source
8766 2016-05-09 Bernd Schmidt <bschmidt@redhat.com>
8768 * regrename.c (base_reg_class_for_rename): New static function.
8769 (scan_rtx_address, scan_rtx): Use it instead of base_reg_class.
8771 2016-05-08 Jan Hubicka <hubicka@ucw.cz>
8773 * cgraph.c (thunk_adjust): Export.
8774 * cgraphclones.c (cgraph_node::create_clone): Clone thunk info.
8775 * cgraphunit.c (thunk_adjust): Export.
8776 (cgraph_node::assemble_thunks_and_aliases): Do not assemble inlined
8778 * ipa-inline-analyssi.c (compute_inline_parameters): Thunks are
8780 * tree-inline.c (expand_call_inline): Expand thunks inline.
8782 2016-05-08 Uros Bizjak <ubizjak@gmail.com>
8785 * config/i386/sse.md (*sse2_vd_cvtsd2ss): New insn pattern.
8786 (*sse2_vd_cvtss2sd): Ditto.
8787 * config/i386/i386.md
8788 (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_truncate df->sf splitter):
8789 Generate *sse2_vd_cvtsd2ss pattern.
8790 (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_extend sf->df splitter):
8791 Generate *sse2_vd_cvtss2sd pattern.
8793 2016-05-08 Oleg Endo <olegendo@gcc.gnu.org>
8795 * config/sh/sh.h (GET_SH_ARG_CLASS): Convert macro into ...
8796 * config/sh/sh.c (get_sh_arg_class): ... this new function. Update its
8799 2016-05-08 Oleg Endo <olegendo@gcc.gnu.org>
8801 * config/sh/sh-protos.h (sh_media_register_for_return): Remove.
8802 * config/sh/sh.c: Define and declare variables on first use throughout
8804 (current_function_interrupt): Change to bool type.
8805 (frame_insn): Rename to emit_frame_insn and update users.
8806 (push_regs): Use bool for 'interrupt_handler' argument.
8807 (save_schedule_s): Remove.
8808 (TARGET_ASM_UNALIGNED_DI_OP, TARGET_ASM_ALIGNED_DI_OP): Remove.
8809 (sh_option_override): Don't nullify targetm.asm_out.aligned_op.di and
8810 targetm.asm_out.unaligned_op.di.
8811 (gen_far_branch): Remove redundant forward declaration.
8812 (sh_media_register_for_return, MAX_SAVED_REGS, save_entry_s, save_entry,
8813 MAX_TEMPS, save_schedule_ssave_schedule): Remove.
8814 (sh_set_return_address, sh_function_ok_for_sibcall,
8815 scavenge_reg): Update comments.
8816 (sh_builtin_saveregs): Use TRAGET_FPU_ANY condition.
8817 (sh2a_get_function_vector_number, sh2a_function_vector_p): Use for loop.
8818 (sh_attr_renesas_p): Remove unnecessary parentheses.
8819 (branch_dest): Simplify.
8820 * config/sh/sh.h (sh_args): Remove byref, byref_regs, stack_regs fields.
8821 Change force_mem, prototype_p, outgoing, renesas_abi fields to bool.
8822 (CUMULATIVE_ARGS): Change macro to typedef.
8823 (current_function_interrupt): Change to bool type.
8824 (sh_arg_class, sh_args, CUMULATIVE_ARGS, current_function_interrupt):
8825 Surround with __cplusplus ifdef.
8826 (sh_compare_op0, sh_compare_op1): Remove.
8827 (EPILOGUE_USES): Use TARGET_FPU_ANY condition.
8829 2016-05-07 Jim Wilson <jim.wilson@linaro.org>
8831 * config/arm/arm.md: (arch): Add neon.
8832 (arch_enabled): Return yes for arch neon when TARGET_NEON.
8833 * config/arm/vfp.md (movdf_vfp): Add w/G as alternative 3. Add
8834 neon_move as type for alt 3. Add arch attr enabling alt 3 for neon.
8835 Emit vmov.i64 for alt 3. Renumber alternatives 3 to 8. Adjust
8836 attributes for alt renumbering. Mark alt 3 as non-predicable.
8837 (thumb2_movdf_vfp): Likewise.
8839 2016-05-07 Uros Bizjak <ubizjak@gmail.com>
8841 * config/i386/i386.md (*addqi_1): Add preferred_for_speed attribute
8842 to disparage alternatives 3 and 4 for TARGET_PARTIAL_REG_STALL targets.
8843 (*andqi_1): Add preferred_for_speed attribute to disparage
8844 alternative 2 for TARGET_PARTIAL_REG_STALL targets.
8845 (*<code>qi_1): Ditto.
8846 (*one_cmplqi2_1): Add preferred_for_speed attribute to disparage
8847 alternative 1 for TARGET_PARTIAL_REG_STALL targets.
8848 (*ashlqi3_1): Ditto.
8849 (*swap<mode>): Merge from *swap<mode>_1 and *swap<mode>_2 patterns.
8850 Add preferred_for_size attribute to disparage alternative 0 and
8851 preferred_for_speed attribute to disparage alternative 1 for
8852 TARGET_PARTIAL_REG_STALL targets.
8854 2016-05-07 Tom de Vries <tom@codesourcery.com>
8856 PR tree-optimization/70956
8857 * graphite-scop-detection.c (build_cross_bb_scalars_def): Handle NULL
8860 2016-05-07 Oleg Endo <olegendo@gcc.gnu.org>
8862 * config/sh/sh-protos.h (sh_cbranch_distance): Declare new function.
8863 * config/sh/sh.c (sh_cbranch_distance): Implement it.
8864 * config/sh/sh.md (branch_zero): Remove define_attr.
8865 (define_delay): Disable delay slot if branch distance is one insn.
8867 2016-05-06 Uros Bizjak <ubizjak@gmail.com>
8869 * config/i386/i386.md (LEAMODE): New mode attribute.
8870 (plus to LEA splitter): Rewrite splitter using LEAMODE mode attribute.
8871 (ashift to LEA splitter): Rewrte splitter using SWI mode iterator
8872 and LEAMODE mode attribute. Use VOIDmode const_0_to_3_operand as
8873 operand 2 predicate.
8874 (*lea<mode>_general_2): Use VOIDmode for const248_operand.
8875 (*lea<mode>_general_3): Ditto.
8876 (*lea<mode>_general_4): Use VOIDmode for const_0_to_3_operand.
8878 2016-05-06 Jakub Jelinek <jakub@redhat.com>
8880 * genmddump.c (main): Convert argv from char ** to const char **.
8882 2016-05-06 David Malcolm <dmalcolm@redhat.com>
8884 * coretypes.h (OVERRIDE): New macro.
8887 2016-05-06 Eric Botcazou <ebotcazou@adacore.com>
8889 * tree-ssa-coalesce.c (gimple_can_coalesce_p): In the optimized case,
8890 allow coalescing if the types are compatible.
8892 2016-05-06 David Malcolm <dmalcolm@redhat.com>
8894 * pass_manager.h (pass_manager::register_pass_name): New method.
8895 (pass_manager::get_pass_by_name): New method.
8896 (pass_manager::create_pass_tab): New method.
8897 (pass_manager::m_name_to_pass_map): New field.
8898 * passes.c (name_to_pass_map): Delete global in favor of field
8899 "m_name_to_pass_map" of pass_manager.
8900 (register_pass_name): Rename from a function to...
8901 (pass_manager::register_pass_name): ...this method, updating
8902 for renaming of global "name_to_pass_map" to field
8903 "m_name_to_pass_map".
8904 (create_pass_tab): Rename from a function to...
8905 (pass_manager::create_pass_tab): ...this method, updating
8906 for renaming of global "name_to_pass_map" to field.
8907 (get_pass_by_name): Rename from a function to...
8908 (pass_manager::get_pass_by_name): ...this method.
8909 (enable_disable_pass): Convert use of get_pass_by_name to
8910 a method call, locating the pass_manager singleton.
8912 2016-05-06 David Malcolm <dmalcolm@redhat.com>
8914 * genattr-common.c (main): Convert argv from char ** to const char **.
8915 * genattr.c (main): Likewise.
8916 * genattrtab.c (main): Likewise.
8917 * genautomata.c (initiate_automaton_gen): Likewise.
8919 * gencodes.c (main): Likewise.
8920 * genconditions.c (main): Likewise.
8921 * genconfig.c (main): Likewise.
8922 * genconstants.c (main): Likewise.
8923 * genemit.c (main): Likewise.
8924 * genenums.c (main): Likewise.
8925 * genextract.c (main): Likewise.
8926 * genflags.c (main): Likewise.
8927 * genmddeps.c (main): Likewise.
8928 * genopinit.c (main): Likewise.
8929 * genoutput.c (main): Likewise.
8930 * genpeep.c (main): Likewise.
8931 * genpreds.c (main): Likewise.
8932 * genrecog.c (main): Likewise.
8933 * gensupport.c (init_rtx_reader_args_cb): Likewise.
8934 (init_rtx_reader_args): Likewise.
8935 * gensupport.h (init_rtx_reader_args_cb): Likewise.
8936 (init_rtx_reader_args): Likewise.
8937 * gentarget-def.c (main): Likewise.
8938 * read-md.c (read_md_files): Likewise.
8939 * read-md.h (read_md_files): Likewise.
8941 2016-05-06 Uros Bizjak <ubizjak@gmail.com>
8943 * config/i386/i386.md (int cmove peephole2s): Use general_reg_operand
8944 instead of register_and_not_any_fp_reg_operand as operand 0 predicate.
8945 * config/i386/predicates.md (register_and_not_any_fp_reg_operand):
8946 Remove unused predicate.
8947 (register_and_not_fp_reg_operand): Ditto.
8949 2016-05-06 Martin Liska <mliska@suse.cz>
8951 * tree-if-conv.c (ifcvt_split_critical_edges): Use auto_vec
8952 instead of vec as the vector is local to the function.
8954 2016-05-06 Jakub Jelinek <jakub@redhat.com>
8956 * config/i386/sse.md (*<code>v8hi3, *<code>v16qi3): Add
8957 avx512bw alternative.
8959 * config/i386/sse.md (<mask_codefor>ashr<mode>3<mask_name>): Move
8960 before the ashr<mode>3 pattern.
8962 * config/i386/sse.md (*avx2_pmaddwd, *sse2_pmaddwd): Use
8963 v instead of x in vex or maybe_vex alternatives, use
8964 maybe_evex instead of vex in prefix.
8966 * config/i386/sse.md (*vec_extractv4sf_0, *sse4_1_extractps,
8967 *vec_extractv4sf_mem, vec_extract_lo_v16hi, vec_extract_hi_v16hi,
8968 vec_extract_lo_v32qi, vec_extract_hi_v32qi): Use v instead of x
8969 in vex or maybe_vex alternatives, use maybe_evex instead of vex
8972 * config/i386/sse.md (*vec_concatv2sf_sse4_1, *vec_concatv4sf): Use
8973 v instead of x in vex or maybe_vex alternatives, use
8974 maybe_evex instead of vex in prefix.
8976 * config/i386/sse.md (sse_shufps_<mode>, sse_storehps, sse_loadhps,
8977 sse_storelps, sse_movss, avx2_vec_dup<mode>, avx2_vec_dupv8sf_1,
8978 sse2_shufpd_<mode>, sse2_storehpd, sse2_storelpd, sse2_loadhpd,
8979 sse2_loadlpd, sse2_movsd): Use v instead of x in vex or maybe_vex
8980 alternatives, use maybe_evex instead of vex in prefix.
8982 * config/i386/sse.md (vec_interleave_lowv4sf,
8983 *vec_interleave_highv2df, *vec_interleave_lowv2df): Use
8984 v instead of x in vex or maybe_vex alternatives, use
8985 maybe_evex instead of vex in prefix.
8987 * config/i386/sse.md (sse_movhlps, sse_movlhps): Use
8988 v instead of x in vex or maybe_vex alternatives, use
8989 maybe_evex instead of vex in prefix.
8991 * config/i386/sse.md (*avx_cvtpd2dq256_2, *avx_cvtps2pd256_2): Use
8992 v constraint instead of x.
8994 2016-05-06 Nathan Sidwell <nathan@codesourcery.com>
8996 * gimple.c (gimple_call_same_target_p): Unique functions are eq.
8997 * tree-ssa-tail-merge.c (same_succ::equal): Check pointer eq
9000 2016-05-06 Richard Biener <rguenther@suse.de>
9002 PR tree-optimization/70948
9003 * tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
9004 Properly clobber all fields of va_list for __builtin_va_start.
9006 2016-05-06 Yuri Rumyantsev <ysrumyan@gmail.com>
9009 * tree-ssa-loop-unswitch.c (find_loop_guard): Reject guard edge with
9010 loop latch destination.
9012 2016-05-06 Martin Liska <mliska@suse.cz>
9014 * tree-ssa-uninit.c: Apply manual changes
9015 to the GNU coding style.
9016 (prune_uninit_phi_opnds): Rename from
9017 prune_uninit_phi_opnds_in_unrealizable_paths.
9019 2016-05-06 Oleg Endo <olegendo@gcc.gnu.org>
9021 * config/sh/sh.opt (madjust-unroll, minvalid-symbols, msoft-atomic,
9022 mspace): Remove deprecated options.
9023 * doc/invoke.texi (SH options): Remove -mspace.
9025 2016-05-06 Oleg Endo <olegendo@gcc.gnu.org>
9027 * config/sh/sh.md (ic_invalidate_line_sh4a): Fix insn length.
9029 2016-05-06 Oleg Endo <olegendo@gcc.gnu.org>
9031 * config/sh/sh.md (*cmpeqsi_t): Remove combine insn pattern and similar
9032 corresponding combine split pattern.
9034 2016-05-06 Oleg Endo <olegendo@gcc.gnu.org>
9037 * config/sh/predicates.md (long_displacement_mem_operand): New.
9038 * config/sh/sh.md (movsi_i): Allow for SH2A, disallow for any FPU.
9039 Add movi20, movi20s alternatives. Adjust length attribute for
9041 (movsi_ie): Allow for any FPU. Adjust length attribute for
9043 (movsi_i_lowpart): Add movi20, movi20s alternatives. Adjust length
9044 attribute for alternatives.
9045 (*mov<mode>): Use long_displacement_mem_operand for length attribute.
9046 (*movdi_i, movdf_k, movdf_i4, movsf_i, movsf_ie, movsf_ie_ra): Adjust
9047 length attribute for alternatives.
9049 2016-05-06 Richard Biener <rguenther@suse.de>
9051 PR tree-optimization/70960
9052 * tree-if-conv.c (ifcvt_walk_pattern_tree): Handle non-SSA ops.
9054 2016-05-06 Oleg Endo <olegendo@gcc.gnu.org>
9057 * config/sh/sh.md (*cmp_div0s_7, *cmp_div0s_8): Add div0s variants.
9058 * config/sh/sh.c (sh_rtx_costs): Add another div0s case.
9060 2016-05-06 Marek Polacek <polacek@redhat.com>
9063 * ubsan.c (get_ubsan_type_info_for_type): Remove assert.
9065 2016-05-06 Oleg Endo <olegendo@gcc.gnu.org>
9068 * config/sh/sh.md (*rotcr): Add another variant.
9070 2016-05-06 Richard Biener <rguenther@suse.de>
9073 * dwarf2out.c (native_encode_initializer): Skip zero-sized fields.
9075 2016-05-06 Richard Biener <rguenther@suse.de>
9078 * fold-const.c (split_tree): Always convert to the original type
9081 2016-05-06 Richard Biener <rguenther@suse.de>
9083 * fwprop.c (fwprop): Remove duplicate cleanup_cfg call.
9084 (fwprop_addr): Likewise.
9086 2016-05-06 Uros Bizjak <ubizjak@gmail.com>
9089 * config/i386/i386-protos.h (ix86_standard_x87sse_constant_load_p):
9091 * config/i386/i386.c (ix86_standard_x87sse_constant_load_p): New.
9092 * config/i386/i386.md (push mem splitter): Use find_constant_src in
9093 the splitter condition.
9094 (FP load splitter): Use ix86_standard_x87sse_constant_load_p in
9095 the splitter condition.
9096 (FP float_extend load splitter): Ditto.
9098 2016-05-05 Uros Bizjak <ubizjak@gmail.com>
9100 * config/i386/i386.md (peehole2 patterns): Change true_regnum
9101 to REGNO in all peephole2 patterns.
9102 (post-reload splitters): Change true_regnum to REGNO in
9103 post-reload splitters.
9104 (zero_extend splitters): Use general_reg_operand and
9105 nonimmediate_gr_operand predicates.
9107 2016-05-05 Jakub Jelinek <jakub@redhat.com>
9109 * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>): Use
9110 v constraint instead of x.
9112 2016-05-05 Alan Modra <amodra@gmail.com>
9115 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Don't
9116 set OPTION_MASK_RELOCATABLE when flag_pic == 2. Set
9117 TARGET_NO_FP_IN_TOC for -mrelocatable.
9118 (MINIMAL_TOC_SECTION_ASM_OP): Remove redundant
9119 TARGET_RELOCATABLE test.
9120 (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
9121 (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
9122 * config/rs6000/linux64.h (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
9123 (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
9124 (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
9125 * config/rs6000/freebsd64.h (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
9126 (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
9127 (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
9128 * config/rs6000/predicates.md (easy_fp_constant): Likewise.
9129 * config/rs6000/rs6000.c (rs6000_elf_output_toc_section_asm_op):
9131 (rs6000_assemble_integer): Update TARGET_RELOCATABLE test.
9132 (rs6000_stack_info): Likewise.
9133 (rs6000_elf_asm_out_constructor): Likewise.
9134 (rs6000_elf_asm_out_destructor): Likewise.
9135 (rs6000_elf_declare_function_name): Likewise.
9136 * config/rs6000/rs6000.md (load_toc_aix_di): Likewise.
9137 * config/rs6000/rs6000.h (MASK_RELOCATABLE, MASK_MINIMAL_TOC):
9140 2016-05-05 Alan Modra <amodra@gmail.com>
9142 * config/rs6000/rs6000.c (rs6000_frame_related): Rewrite.
9144 2016-05-05 Alan Modra <amodra@gmail.com>
9146 * config/rs6000/rs6000.c (rs6000_savres_strategy): Don't use
9147 out-of-line gpr restore for one or two regs if that would add
9150 2016-05-04 Uros Bizjak <ubizjak@gmail.com>
9153 * config/i386/i386.md
9154 (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_extend sf->df peephole2):
9155 Change to post-epilogue_completed late splitter. Use sse_reg_operand
9156 as operand 0 predicate.
9157 (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_truncate df->sf peephole2):
9159 (TARGET_SSE_PARTIAL_REG_DEPENDENCY float {si,di}->{sf,df} peephole2):
9160 Ditto. Emit the pattern using RTX.
9162 (TARGET_USE_VECTOR_FP_CONVERTS float_extend sf->df splitter):
9163 Use sse_reg_opreand as operand 0 predicate. Do not use true_regnum in
9164 the post-reload splitter. Use lowpart_subreg instead of gen_rtx_REG.
9165 (TARGET_USE_VECTOR_FP_CONVERTS float_truncate df->sf splitter):
9167 (TARGET_USE_VECTOR_CONVERTS float si->{sf,df} splitter): Use
9168 sse_reg_operand as operand 0 predicate.
9170 (TARGET_SPLIT_MEM_OPND_FOR_FP_CONVERTS float_extend sf->df peephole2):
9171 Use sse_reg_opreand as operand 0 predicate. Use lowpart_subreg
9172 instead of gen_rtx_REG.
9173 (TARGET_SPLIT_MEM_OPND_FOR_FP_CONVERTS float_truncate sf->df peephole2):
9176 2016-05-04 Segher Boessenkool <segher@kernel.crashing.org>
9178 * function.c (emit_use_return_register_into_block): Delete.
9179 (gen_return_pattern): Delete.
9180 (emit_return_into_block): Delete.
9181 (active_insn_between): Delete.
9182 (convert_jumps_to_returns): Delete.
9183 (emit_return_for_exit): Delete.
9184 (thread_prologue_and_epilogue_insns): Delete all code dealing with
9185 simple_return for shrink-wrapped blocks.
9186 * shrink-wrap.c (try_shrink_wrapping): Insert simple_return at the
9187 end of blocks that need one.
9188 (get_unconverted_simple_return): Delete.
9189 (convert_to_simple_return): Delete.
9190 * shrink-wrap.c (get_unconverted_simple_return): Delete declaration.
9191 (convert_to_simple_return): Ditto.
9193 2016-05-04 Segher Boessenkool <segher@kernel.crashing.org>
9195 * cfgcleanup.c (bb_is_just_return): New function.
9196 (try_optimize_cfg): Simplify jumps to return, branches to return,
9197 and branches around return.
9199 2016-05-04 Segher Boessenkool <segher@kernel.crashing.org>
9201 * cfgcleanup.c (try_simplify_condjump): Don't try to simplify a
9204 2016-05-04 Jakub Jelinek <jakub@redhat.com>
9208 * tree-core.h (enum operand_equal_flag): Add OEP_HASH_CHECK.
9209 * tree.c (inchash::add_expr): If !IS_EXPR_CODE_CLASS (tclass),
9210 assert flags & OEP_HASH_CHECK, instead of asserting it
9211 never happens. Handle TARGET_EXPR.
9212 * fold-const.c (operand_equal_p): For hash verification,
9213 or in OEP_HASH_CHECK into flags.
9215 2016-05-04 Eric Botcazou <ebotcazou@adacore.com>
9217 * tree-ssa-coalesce.c (gimple_can_coalesce_p): Fix reference in head
9219 (compute_samebase_partition_bases): Fix typo.
9221 2016-05-04 Jakub Jelinek <jakub@redhat.com>
9223 * config/i386/sse.md (vec_interleave_highv8sf,
9224 vec_interleave_lowv8sf, vec_interleave_highv4df,
9225 vec_interleave_lowv4df): Remove constraints from expanders.
9227 * config/i386/sse.md (sse2_movq128): Use v constraint instead of x.
9229 2016-05-04 Jan Hubicka <hubicka@ucw.cz>
9231 * tree-inline.c (expand_call_inline): Fix path dealing with
9232 making lhs of call statement undefined.
9234 2016-05-04 Jan Hubicka <hubicka@ucw.cz>
9236 * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases):
9237 Check availability on NODE, too.
9238 * cgraph.h (symtab_node::call_for_symbol_and_aliases): Likewise.
9239 (cgraph_node::call_for_symbol_and_aliases): Likewise.
9240 (varpool_node::call_for_symbol_and_aliase): Likewise.
9241 * ipa-pure-const.c (add_new_function): Analyze all bodies.
9242 (propagate_pure_const): Propagate across interposable functions, too.
9243 (skip_function_for_local_pure_const): Do not skip interposable bodies
9245 (pass_local_pure_const::execute): Update.
9247 2016-05-04 Marek Polacek <polacek@redhat.com>
9249 * doc/invoke.texi: Document -Wdangling-else.
9251 2016-05-04 Thomas Preud'homme <thomas.preudhomme@arm.com>
9253 * config.gcc: Error out when conflicting multilib is detected. Do not
9254 loop over multilibs since no combination is legal.
9256 2016-05-04 Alan Modra <amodra@gmail.com>
9258 * config/rs6000/rs6000.h (PIC_OFFSET_TABLE_REGNUM): Correct.
9259 * config/rs6000/sysv4.h (TARGET_TOC): Simplify.
9260 * config/rs6000/rs6000.c (rs6000_elf_output_toc_section_asm_op):
9263 2016-05-04 Matthew Fortune <matthew.fortune@imgtec.com>
9265 * config/mips/mips-cpus.def (p5600): Avoid IMADD by default.
9266 Clean up p5600 comments.
9268 2016-05-04 Richard Biener <rguenther@suse.de>
9270 * match.pd: Add BIT_FIELD_REF canonicalizations and vector
9271 constructor simplifications.
9272 * fold-const.c (fold_ternary_loc): Remove duplicate functionality here.
9274 2016-05-04 Oleg Endo <olegendo@gcc.gnu.org>
9276 * config/sh/predicates (post_inc_mem, pre_dec_mem): New predicates.
9277 * config/sh/sh-protos.h (sh_find_set_of_reg): Return null result if
9278 result.set_rtx is null instead of aborting.
9279 * config/sh/sh.h (USE_LOAD_POST_INCREMENT, USE_STORE_PRE_DECREMENT):
9281 (USE_LOAD_PRE_DECREMENT, USE_STORE_POST_INCREMENT): Enable for SH2A.
9282 * config/sh/sh.md (*extend<mode>si2_predec, *mov<mode>_load_predec,
9283 *mov<mode>_store_postinc): New patterns.
9285 2016-05-04 Marc Glisse <marc.glisse@inria.fr>
9287 * match.pd ((A | B) & (A | C)): Generalize to BIT_XOR_EXPR. Mark
9288 as commutative. Check both conversions are NOP.
9289 ((A & B) OP (C & B)): Remove.
9291 2016-05-04 Alan Modra <amodra@gmail.com>
9293 * combine.c (simplify_set): Correct WORD_REGISTER_OPERATIONS test.
9295 2016-05-04 Alan Modra <amodra@gmail.com>
9298 * config/rs6000/rs6000.c (rs6000_stack_info): Don't set cr_save_p
9299 when cr2,3,4 are all fixed regs.
9301 2016-05-04 Bernd Schmidt <bschmidt@redhat.com>
9303 PR rtl-optimization/57193
9304 * opts.c (default_options_table): Revert OPT_frename_registers change.
9305 * doc/invoke.texi (-frename-registers, -O2): Likewise.
9307 2016-05-03 Martin Sebor <msebor@redhat.com>
9310 * builtins.c (fold_builtin_FILE): New function.
9311 (fold_builtin_FUNCTION, fold_builtin_LINE): New functions.
9312 (fold_builtin_0): Call them.
9313 * gimplify.c (gimplify_call_expr): Remove the handling of
9314 BUILT_IN_FILE, BUILT_IN_FUNCTION, and BUILT_IN_LINE.
9317 * doc/extend.texi (Other Builtins): Update __builtin_FILE,
9318 __builtin_FUNCTION, and __builtin_LINE to reflect they yield
9322 * doc/extend.texi (Function Names as Strings): Update __func__,
9323 __FUNCTION__, __PRETTY_FUNCTION__ to reflect they evaluate to
9326 2016-05-03 Jakub Jelinek <jakub@redhat.com>
9327 Richard Biener <rguenther@suse.de>
9329 PR tree-optimization/70916
9330 * tree-if-conv.c: Include cfganal.h.
9331 (pass_if_conversion::execute): Call connect_infinite_loops_to_exit
9332 and remove_fake_exit_edges around the optimization pass.
9334 2016-05-03 Jan Hubicka <hubicka@ucw.cz>
9336 * cgraph.c (symbol_table::create_edge): Set inline_failed.
9337 (cgraph_edge::make_direct): Likewise.
9338 (cgraph_edge::dump_edge_flags): Dump call_stmt_cannot_inline_p.
9339 * cgraphclones.c (duplicate_thunk_for_node): Set inline_failed.
9340 * cif-code.def (CIF_LTO_MISMATCHED_DECLARATIONS): New code
9341 (CIF_THUNK): New code.
9342 * ipa-inline-analysis.c (initialize_inline_failed): Preserve
9343 CIF_FINAL_ERROR codes; do not deal with call_stmt_cannot_inline_p.
9344 (compute_inline_parameters): Set inline_failed for thunks.
9345 (inline_analyze_function): Cleanup.
9346 * ipa-inline.c (can_inline_edge_p): Do not deal with
9347 call_stmt_cannot_inline_p.
9348 (can_early_inline_edge_p): Likewise.
9349 (early_inliner): Initialize inline_failed.
9350 * lto-cgraph.c (lto_output_edge): Sanity check inline_failed.
9352 2016-05-03 Uros Bizjak <ubizjak@gmail.com>
9354 * config/i386/predicates.md (x87nonimm_ssenomem_operand): Rename
9355 from nonimm_ssenomem_operand.
9356 (nonimm_ssenomem_operand): New predicate.
9357 * config/i386/i386.md (extendsfdf2): Use nonimm_ssenomem_operand
9358 as operand 0 predicate.
9359 (*extendsfdf2): Merge from *extendsfdf2_mixed and *extendsfdf2_i387.
9360 Disable unsupported alternatives using "enabled" attribute.
9361 Use register_ssemem_operand as operand 0 predicate.
9362 (*fop_<mode>_1): Use x87nonimm_ssenomem_operand as operand 1 predicate.
9364 2016-05-03 Marek Polacek <polacek@redhat.com>
9367 * input.c (expansion_point_location): New function.
9368 * input.h (expansion_point_location): Declare.
9370 2016-05-03 Pierre-Marie de Rodat <derodat@adacore.com>
9372 * dwarf2out.c (resolve_args_picking_1): Replace the frame_offset
9373 occurence with frame_offset_ ones.
9375 2016-05-03 Alan Modra <amodra@gmail.com>
9377 PR rtl-optimization/70890
9378 * ira.c (combine_and_move_insns): When moving def_insn, remove
9381 2016-05-03 Dominik Vogt <vogt@linux.vnet.ibm.com>
9383 * config/s390/s390.md ("*r<noxa>sbg_<mode>_sll")
9384 ("*r<noxa>sbg_<mode>_srl"): New define_insns.
9385 ("*r<noxa>sbg_<mode>_srl_bitmask"): Rename by adding "_bitmask".
9386 ("*r<noxa>sbg_<mode>_sll_bitmask"): Likewise.
9388 2016-05-03 Alan Modra <amodra@gmail.com>
9390 * config/rs6000/rs6000.c (rs6000_savres_strategy): Correct condition
9391 for SAVE_MULTIPLE/STORE_MULTIPLE.
9393 2016-05-03 Jakub Jelinek <jakub@redhat.com>
9395 * config/i386/i386.md (*truncdfsf_mixed, *truncdfsf_i387,
9396 *truncxfsf2_mixed, *truncxfdf2_mixed): Use v constraint instead of x.
9398 2016-05-03 Richard Biener <rguenther@suse.de>
9400 * gimplify.h (get_initialized_tmp_var): Add allow_ssa parameter
9402 (gimplify_arg): Likewise.
9403 * gimplify.c (gimplify_expr): Add overload with allow_ssa parameter,
9404 re-writing the result to a decl if required.
9405 (internal_get_tmp_var): Add allow_ssa parameter
9406 and override into_ssa with it.
9407 (get_formal_tmp_var): Adjust.
9408 (get_initialized_tmp_var): Add allow_ssa parameter.
9409 (gimplify_arg): Add allow_ssa parameter and avoid generating
9410 SSA names for the result false.
9411 (gimplify_call_expr): If the call may return twice do not
9412 gimplify parameters into SSA.
9413 (prepare_gimple_addressable): Do not allow an SSA name as temporary.
9414 (gimplify_modify_expr): Adjust assert. For noreturn calls
9415 with a SSA name LHS adjust its def.
9416 (gimplify_save_expr): Do not allow an SSA name as save-expr result.
9417 (gimplify_one_sizepos): Do not allow an SSA name as a sizepos.
9418 (gimplify_body): Init GIMPLE SSA data structures and gimplify into-SSA.
9419 (gimplify_scan_omp_clauses): Make sure OMP_CLAUSE_SIZE is not
9420 an SSA name. Likewise for OMP_CLAUSE_REDUCTION operands.
9421 (gimplify_omp_for): Likewise for OMP_CLAUSE_DECL. Likewise
9422 for OMP_FOR_COND, OMP_FOR_INCR and OMP_CLAUSE_LINEAR_STEP.
9423 (optimize_target_teams): Do not allow SSA names for clause operands.
9424 (gimplify_expr): Likewise for where we mark the result addressable.
9425 * passes.def (pass_init_datastructures): Remove.
9426 * tree-into-ssa.c (mark_def_sites): Ignore existing SSA names.
9427 (rewrite_stmt): Likewise.
9428 * tree-inline.c (initialize_cfun): Properly transfer SSA state.
9429 (replace_locals_op): Replace SSA names.
9430 (copy_gimple_seq_and_replace_locals): Init src_cfun.
9431 * gimple-low.c (lower_builtin_setjmp): Deal with SSA.
9432 * cgraph.c (release_function_body): Free CFG annotations only
9433 when we have a CFG. Simplify.
9434 * gimple-fold.c (gimplify_and_update_call_from_tree): Use
9435 force_gimple_operand instead of get_initialized_tmp_var.
9436 * tree-pass.h (make_pass_init_datastructures): Remove.
9437 * tree-ssa.c (execute_init_datastructures): Remove.
9438 (pass_data_init_datastructures): Likewise.
9439 (class pass_init_datastructures): Likewise.
9440 (make_pass_init_datastructures): Likewise.
9441 * omp-low.c (create_omp_child_function): Init SSA data structures.
9442 (grid_expand_target_grid_body): Likewise.
9443 * tree-cfg.c (move_block_to_fn): Double-check the DEF is an SSA
9444 name before adding it to names_to_release.
9445 (remove_bb): Always release SSA defs.
9446 * tree-ssa-ccp.c (get_default_value): Check SSA_NAME_VAR
9447 before dereferencing it.
9448 * cgraphunit.c (init_lowered_empty_function): Always
9449 int SSA data structures.
9450 * tree-ssanames.c (release_defs): Remove assert that we are in
9452 * trans-mem.c (diagnose_tm_1): Handle SSA name function.
9454 2016-05-03 Jakub Jelinek <jakub@redhat.com>
9455 Uros Bizjak <ubizjak@gmail.com>
9457 PR rtl-optimization/70467
9458 * config/i386/predicates.md (x86_64_hilo_int_operand,
9459 x86_64_hilo_general_operand): New predicates.
9460 * config/i386/constraints.md (Wd): New constraint.
9461 * config/i386/i386.md (mode attr di): Use Wd instead of e.
9462 (general_hilo_operand): New mode attr.
9463 (add<mode>3, sub<mode>3): Use <general_hilo_operand>
9464 instead of <general_operand>.
9465 (*add<dwi>3_doubleword, *sub<dwi>3_doubleword): Use
9466 x86_64_hilo_general_operand instead of <general_operand>.
9468 2016-05-03 Jakub Jelinek <jakub@redhat.com>
9470 PR tree-optimization/70916
9471 * tree-if-conv.c (constant_or_ssa_name): Removed.
9472 (fold_build_cond_expr): Use is_gimple_val instead of
9473 constant_or_ssa_name.
9475 PR tree-optimization/70916
9476 * tree-vect-patterns.c (vect_recog_mask_conversion_pattern): Give up
9477 if COND_EXPR rhs1 is neither SSA_NAME nor COMPARISON_CLASS_P.
9480 * tree-ssa-ccp.c: Include stor-layout.h and optabs-query.h.
9481 (optimize_atomic_bit_test_and): New function.
9482 (pass_fold_builtins::execute): Use it.
9483 * optabs.def (atomic_bit_test_and_set_optab,
9484 atomic_bit_test_and_complement_optab,
9485 atomic_bit_test_and_reset_optab): New optabs.
9486 * internal-fn.def (ATOMIC_BIT_TEST_AND_SET,
9487 ATOMIC_BIT_TEST_AND_COMPLEMENT, ATOMIC_BIT_TEST_AND_RESET): New ifns.
9488 * builtins.h (expand_ifn_atomic_bit_test_and): New prototype.
9489 * builtins.c (expand_ifn_atomic_bit_test_and): New function.
9490 * internal-fn.c (expand_ATOMIC_BIT_TEST_AND_SET,
9491 expand_ATOMIC_BIT_TEST_AND_COMPLEMENT,
9492 expand_ATOMIC_BIT_TEST_AND_RESET): New functions.
9493 * doc/md.texi (atomic_bit_test_and_set@var{mode},
9494 atomic_bit_test_and_complement@var{mode},
9495 atomic_bit_test_and_reset@var{mode}): Document.
9496 * config/i386/sync.md (atomic_bit_test_and_set<mode>,
9497 atomic_bit_test_and_complement<mode>,
9498 atomic_bit_test_and_reset<mode>): New expanders.
9499 (atomic_bit_test_and_set<mode>_1,
9500 atomic_bit_test_and_complement<mode>_1,
9501 atomic_bit_test_and_reset<mode>_1): New insns.
9503 2016-05-03 Richard Sandiford <richard.sandiford@arm.com>
9505 PR rtl-optimization/70687
9506 * combine.c (change_zero_ext): Check for scalar modes. Use wide_int
9507 instead of unsigned HOST_WIDE_INT.
9509 2016-05-03 Bernd Schmidt <bschmidt@redhat.com>
9511 PR rtl-optimization/44281
9512 * hard-reg-set.h (struct target_hard_regs): New field
9513 x_fixed_nonglobal_reg_set.
9514 (fixed_nonglobal_reg_set): New macro.
9515 * reginfo.c (init_reg_sets_1): Initialize it.
9516 * ira.c (setup_alloc_regs): Use fixed_nonglobal_reg_set instead
9518 * df-scan.c (df_insn_refs_collect): Asms may reference global regs.
9520 2016-05-03 Bin Cheng <bin.cheng@arm.com>
9522 PR tree-optimization/56541
9523 * doc/invoke.texi (@item max-tree-if-conversion-phi-args): New item.
9524 * params.def (PARAM_MAX_TREE_IF_CONVERSION_PHI_ARGS): new param.
9525 * tree-if-conv.c (MAX_PHI_ARG_NUM): new macro.
9526 (any_complicated_phi): new static variable.
9527 (aggressive_if_conv): delete.
9528 (if_convertible_phi_p): support phis with more than two arguments.
9529 (if_convertible_bb_p): remvoe check on aggressive_if_conv and
9530 critical pred edges.
9531 (ifcvt_split_critical_edges): support phis with more than two
9532 arguments by checking new parameter. only split critical edges
9534 (tree_if_conversion): handle simd pragma marked loop using new
9535 local variable aggressive_if_conv. check any_complicated_phi.
9537 2016-05-03 Bin Cheng <bin.cheng@arm.com>
9539 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Check depends_on
9542 2016-05-03 Bin Cheng <bin.cheng@arm.com>
9544 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Don't clobber
9547 2016-05-03 Oleg Endo <olegendo@gcc.gnu.org>
9549 * config/sh/sh.md (udivsi3, divsi3, mulsi3): Simplify.
9550 (mulhisi3, umulhisi3, (smulsi3_highpart, umulsi3_highpart): Convert to
9551 define_insn_and_split.
9552 (mulsi3_i): New define_insn_and_split.
9553 (mulsi3_call): Convert to define_insn.
9554 (mulsidi3, mulsidi3_compact, umulsidi3, umulsidi3_compact):
9557 2016-05-02 Michael Meissner <meissner@linux.vnet.ibm.com>
9559 * machmode.h (mode_complex): Add support to give the complex mode
9561 (GET_MODE_COMPLEX_MODE): Likewise.
9562 * stor-layout.c (layout_type): For COMPLEX_TYPE, use the mode
9563 stored by build_complex_type and gfc_build_complex_type instead of
9564 trying to figure out the appropriate mode based on the size. Raise
9565 an assertion error, if the type was not set.
9566 * genmodes.c (struct mode_data): Add field for the complex type of
9568 (blank_mode): Likewise.
9569 (make_complex_modes): Remember the complex mode created in the
9571 (emit_mode_complex): Write out the mode_complex array to map a
9572 type mode to the complex version.
9573 (emit_insn_modes_c): Likewise.
9574 * tree.c (build_complex_type): Set the complex type to use before
9575 calling layout_type.
9576 * config/rs6000/rs6000.c (rs6000_hard_regno_nregs_internal): Add
9577 support for __float128 complex datatypes.
9578 (rs6000_hard_regno_mode_ok): Likewise.
9579 (rs6000_setup_reg_addr_masks): Likewise.
9580 (rs6000_complex_function_value): Likewise.
9581 * config/rs6000/rs6000.h (FLOAT128_IEEE_P): Likewise.
9582 __float128 and __ibm128 complex.
9583 (FLOAT128_IBM_P): Likewise.
9584 (ALTIVEC_ARG_MAX_RETURN): Likewise.
9585 * doc/extend.texi (Additional Floating Types): Document that
9586 -mfloat128 must be used to enable __float128. Document complex
9587 __float128 and __ibm128 support.
9589 2016-05-02 Jakub Jelinek <jakub@redhat.com>
9592 * gimple.c (gimple_builtin_call_types_compatible_p): Allow
9593 char/short arguments promoted to int because of promote_prototypes.
9595 2016-05-02 Uros Bizjak <ubizjak@gmail.com>
9597 * config/i386/predicates.md (register_ssemem_operand): New predicate.
9598 * config/i386/i386.md (*cmpi<FPCMP:unord><MODEF:mode>): Merge from
9599 *cmpi<FPCMP:unord><MODEF:mode>_mixed and
9600 *cmpi<FPCMP:unord><X87MODEF:mode>_i387. Disable unsupported
9601 alternatives using "enabled" attribute. Use register_ssemem_operand
9602 as operand 1 predicate.
9603 (*cmpi<unord>xf_i387): Split XFmode pattern from
9604 *cmpi<FPCMP:unord><X87MODEF:mode>_i387.
9605 (*absneg<mode>2): Merge from *absneg<mode>2_mixed and
9606 *absneg<mode>2_i387. Disable unsupported alternatives using
9607 "enabled" attribute.
9608 (*absnegxf2_i387): Split XFmode pattern from *absneg<mode>2_i387.
9610 2016-05-02 Nathan Sidwell <nathan@codesourcery.com>
9612 * omp-low.c (lower_oacc_head_tail): Assert there is at least one
9614 (oacc_loop_process): Check mask for loop termination.
9616 2016-05-02 Jan Hubicka <hubicka@ucw.cz>
9618 * cif-code.def (CIF_THUNK): Add.
9619 * ipa-inline-analsysis.c (evaluate_conditions_for_known_args): Revert
9622 2016-05-02 Jan Hubicka <hubicka@ucw.cz>
9624 * ipa-inline-analysis.c (reset_inline_summary): Clear fp_expressions
9625 (dump_inline_summary): Dump it.
9626 (fp_expression_p): New predicate.
9627 (estimate_function_body_sizes): Use it.
9628 (inline_merge_summary): Merge fp_expressions.
9629 (inline_read_section): Read fp_expressions.
9630 (inline_write_summary): Write fp_expressions.
9631 * ipa-inline.c (can_inline_edge_p): Permit inlining across fp math
9632 codegen boundary if either caller or callee is !fp_expressions.
9633 * ipa-inline.h (inline_summary): Add fp_expressions.
9634 * ipa-inline-transform.c (inline_call): When inlining !fp_expressions
9635 to fp_expressions be sure the fp generation flags are updated.
9637 2016-05-02 Jakub Jelinek <jakub@redhat.com>
9639 PR rtl-optimization/70467
9640 * cse.c (cse_insn): Handle no-op MEM moves after folding.
9642 PR rtl-optimization/70467
9643 * ipa-pure-const.c (check_call): Handle internal calls even in
9644 ipa mode like in local mode.
9646 2016-05-02 Bernd Edlinger <bernd.edlinger@hotmail.de>
9648 * doc/install.texi: Document supported in-tree gmp/mpfr/mpc versions.
9650 2016-05-02 Marc Glisse <marc.glisse@inria.fr>
9652 * match.pd (X u< X, X u> X): New transformations.
9654 2016-05-02 Marc Glisse <marc.glisse@inria.fr>
9656 * flag-types.h (enum warn_strict_overflow_code): Move ...
9657 * coretypes.h: ... here.
9658 * fold-const.h (fold_overflow_warning): Declare.
9659 * fold-const.c (fold_overflow_warning): Make non-static.
9660 (fold_comparison): Move the transformation of X +- C1 CMP C2
9661 into X CMP C2 -+ C1 ...
9662 * match.pd: ... here.
9663 * gimple-fold.c (fold_stmt_1): Protect with
9664 fold_defer_overflow_warnings.
9666 2016-05-02 Nathan Sidwell <nathan@codesourcery.com>
9668 * omp-low.c (struct oacc_loop): Add 'inner' field.
9669 (new_oacc_loop_raw): Initialize it to zero.
9670 (oacc_loop_fixed_partitions): Initialize it.
9671 (oacc_loop_auto_partitions): Partition outermost loop to outermost
9672 available partitioning.
9674 2016-05-02 Claudiu Zissulescu <claziss@synopsys.com>
9676 * config/arc/arc.md (mulsidi3): Change operand 0 predicate to
9678 (umulsidi3): Likewise.
9679 (indirect_jump): Fix jump instruction assembly patterns.
9681 2016-05-02 Thomas Schwinge <thomas@codesourcery.com>
9684 * config/nvptx/nvptx.c (nvptx_libcall_value): Handle NULL cfun.
9685 (nvptx_function_value): Assert non-NULL cfun.
9687 2016-05-02 Eric Botcazou <ebotcazou@adacore.com>
9689 PR rtl-optimization/70886
9690 * sched-deps.c (estimate_dep_weak): Canonicalize cselib values.
9692 * cselib.h (rtx_equal_for_cselib_1): Declare.
9693 (rtx_equal_for_cselib_p: New inline function.
9694 * cselib.c (rtx_equal_for_cselib_p): Delete.
9695 (rtx_equal_for_cselib_1): Make public.
9697 2016-05-02 Uros Bizjak <ubizjak@gmail.com>
9699 * config/i386/predicates.md (nonimm_ssenomem_operand): New predicate.
9700 (register_mixssei387nonimm_operand): Remove predicate.
9701 * config/i386/i386.md (*fop_<mode>_comm): Merge from
9702 *fop_<mode>_comm_mixed and *fop_<mode>_comm_i387. Disable unsupported
9703 alternatives using "enabled" attribute. Also check X87_ENABLE_ARITH
9704 for TARGET_MIX_SSE_I387 alternatives.
9705 (*fop_<mode>_1): Merge from *fop_<mode>_1_mixed and *fop_<mode>_1_i387.
9706 Disable unsupported alternatives using "enabled" attribute. Use
9707 nonimm_ssenomem_operand as operand 1 predicate. Also check
9708 X87_ENABLE_ARITH for TARGET_MIX_SSE_I387 alternatives.
9710 2016-05-02 Richard Sandiford <richard.sandiford@arm.com>
9712 * tree.c (cst_and_fits_in_hwi): Simplify.
9714 2016-05-02 Richard Sandiford <richard.sandiford@arm.com>
9716 * tree.h (wi::to_wide): New function.
9717 * expr.c (expand_expr_real_1): Use wi::to_wide.
9718 * fold-const.c (int_const_binop_1): Likewise.
9719 (extract_muldiv_1): Likewise.
9721 2016-05-02 Richard Sandiford <richard.sandiford@arm.com>
9723 * wide-int.h: Update offset_int and widest_int documentation.
9724 (WI_SIGNED_SHIFT_RESULT): New macro.
9725 (wi::binary_shift): Define signed_shift_result_type for
9726 shifts on offset_int- and widest_int-like types.
9727 (generic_wide_int): Support <<= and >>= if << and >> are supported.
9728 * tree.h (int_bit_position): Use shift operators instead of wi::
9730 * alias.c (adjust_offset_for_component_ref): Likewise.
9731 * expr.c (get_inner_reference): Likewise.
9732 * fold-const.c (fold_comparison): Likewise.
9733 * gimple-fold.c (fold_nonarray_ctor_reference): Likewise.
9734 * gimple-ssa-strength-reduction.c (restructure_reference): Likewise.
9735 * tree-dfa.c (get_ref_base_and_extent): Likewise.
9736 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Likewise.
9737 (stmt_kills_ref_p): Likewise.
9738 * tree-ssa-ccp.c (bit_value_binop_1): Likewise.
9739 * tree-ssa-math-opts.c (find_bswap_or_nop_load): Likewise.
9740 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
9741 (ao_ref_init_from_vn_reference): Likewise.
9743 2016-05-02 Richard Sandiford <richard.sandiford@arm.com>
9745 * wide-int.h: Update offset_int and widest_int documentation.
9746 (WI_SIGNED_BINARY_PREDICATE_RESULT): New macro.
9747 (wi::binary_traits): Allow ordered comparisons between offset_int and
9748 offset_int, between widest_int and widest_int, and between either
9749 of these types and basic C types.
9750 (operator <, <=, >, >=): Define for the same combinations.
9751 * tree.h (tree_int_cst_lt): Use comparison operators instead
9752 of wi:: comparisons.
9753 (tree_int_cst_le): Likewise.
9754 * gimple-fold.c (fold_array_ctor_reference): Likewise.
9755 (fold_nonarray_ctor_reference): Likewise.
9756 * gimple-ssa-strength-reduction.c (record_increment): Likewise.
9757 * tree-affine.c (aff_comb_cannot_overlap_p): Likewise.
9758 * tree-parloops.c (try_transform_to_exit_first_loop_alt): Likewise.
9759 * tree-sra.c (completely_scalarize): Likewise.
9760 * tree-ssa-alias.c (stmt_kills_ref_p): Likewise.
9761 * tree-ssa-reassoc.c (extract_bit_test_mask): Likewise.
9762 * tree-vrp.c (extract_range_from_binary_expr_1): Likewise.
9763 (check_for_binary_op_overflow): Likewise.
9764 (search_for_addr_array): Likewise.
9765 * ubsan.c (ubsan_expand_objsize_ifn): Likewise.
9767 2016-05-02 Claudiu Zissulescu <claziss@synopsys.com>
9769 * config/arc/arc.c (arc_preferred_simd_mode): Remove enum keyword.
9770 (arc_save_restore): Likewise.
9771 (arc_dwarf_register_span): Likewise.
9772 (arc_output_pic_addr_const): Initialize suffix variable.
9774 2016-05-02 Martin Liska <mliska@suse.cz>
9776 * symbol-summary.h (function_summary::function_summary):
9777 Remove checking assert for all cgraph nodes.
9778 (function_summary::get): Check summary_uid.
9779 (symtab_insertion): Check summary_uid.
9781 2016-05-02 Claudiu Zissulescu <claziss@synopsys.com>
9783 * config/arc/arc-protos.h (compact_memory_operand_p): Declare.
9784 * config/arc/arc.c (arc_output_commutative_cond_exec): Consider
9786 (arc_dwarf_register_span): Remove enum keyword.
9787 (compact_memory_operand_p): New function.
9788 * config/arc/arc.h (reg_class): Add code density register classes.
9789 (REG_CLASS_NAMES): Likewise.
9790 (REG_CLASS_CONTENTS): Likewise.
9791 * config/arc/arc.md (*movqi_insn): Add code density instructions.
9792 (*movhi_insn, *movsi_insn, *movsf_insn): Likewise.
9793 (*extendhisi2_i, andsi3_i, cmpsi_cc_insn_mixed): Likewise.
9794 (*cmpsi_cc_c_insn, *movsi_ne): Likewise.
9795 * config/arc/constraints.md (C2p, Uts, Cm1, Cm3, Ucd): New
9797 (h, Rcd, Rsd, Rzd): New register constraints.
9798 (T): Use compact_memory_operand_p function.
9799 * config/arc/predicates.md (compact_load_memory_operand): Remove.
9801 2016-05-02 Oleg Endo <olegendo@gcc.gnu.org>
9803 * config/sh/sh.md (*negnegt, *movtt): Remove.
9805 2016-05-02 Marek Polacek <polacek@redhat.com>
9806 Tom de Vries <tom@codesourcery.com>
9808 PR tree-optimization/70700
9809 * tree-ssa-structalias.c (dump_pred_graph): Fix getting varinfo for ids
9810 bigger than FIRST_REF_NODE.
9812 2016-05-02 Oleg Endo <olegendo@gcc.gnu.org>
9815 * config/sh/sh.c (sh_option_override): Remove TARGET_CBRANCHDI4,
9817 (prepare_cbranch_operands): Don't use scratch register. Assume that
9818 function is used when pseudos can be created.
9819 (expand_cbranchdi4): Likewise. Remove unused TARGET_CMPEQDI_T paths.
9820 * config/sh/sh.md (cbranchsi4): Allow only when pseudos can be created.
9821 (cbranchdi4, cbranchdi4_i): Simplify to single cbranchdi4
9822 define_expand. Allow it only when pseudos can be created.
9823 * config/sh/sh.opt (mcbranchdi, mcmpeqdi): Delete.
9825 2016-05-01 Uros Bizjak <ubizjak@gmail.com>
9827 * config/i386/constraints.md (BC): Only allow -1 operands.
9828 * config/i386/sse.md (mov<mode>_internal): Add (v,C) alternative.
9829 Add "enabled" attribute. Update XI mode attribute calculation.
9830 * config/i386/i386.md (*movxi_internal_avx512f): Add (v,C) alternative.
9831 (*movoi_internal_avx): Update XI mode attribute calculation.
9832 (*movti_internal): Ditto.
9834 2016-05-01 Oleg Endo <olegendo@gcc.gnu.org>
9836 * config/sh/sh.md (push, pop, ic_invalidate_line, cstoresi4, cstoredi4,
9837 cstoresf4, cstoredf4, fix_truncsfsi2): Remove constraints.
9839 2016-05-01 Eric Botcazou <ebotcazou@adacore.com>
9841 * config/rs6000/rs6000.c (altivec_expand_lv_builtin): Do not use switch
9842 statement on instruction code. Remove trailing spaces.
9843 (altivec_expand_stv_builtin): Likewise.
9845 2016-05-01 Oleg Endo <olegendo@gcc.gnu.org>
9847 * config/sh/sh.h (TARGET_SH4): Remove and use default implementation.
9848 (TARGET_FPU_DOUBLE): Simplify.
9849 (BASE_ARG_REG, DOUBLE_TYPE_SIZE, OPTIMIZE_MODE_SWITCHING): Replace
9850 'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions with 'TARGET_FPU_DOUBLE'.
9851 * config/sh/sh.c: Replace 'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions
9852 with 'TARGET_FPU_DOUBLE'.
9853 * config/sh/sh.md: Likewise.
9855 2016-05-01 Yoshinori Sato <ysato@users.sourceforge.jp>
9857 * config/sh/linux.h (SH_DIV_STRATEGY_DEFAULT,
9858 SH_DIV_STR_FOR_SIZE): Remove.
9859 * config/sh/netbsd-elf.h (SH_DIV_STRATEGY_DEFAULT,
9860 SH_DIV_STR_FOR_SIZE): Remove.
9862 2016-05-01 Oleg Endo <olegendo@gcc.gnu.org>
9864 * config/sh/predicates.md (any_register_operand, zero_extend_operand,
9865 logical_reg_operand): Delete.
9866 (arith_operand, arith_reg_dest, arith_or_int_operand, cmpsi_operand,
9867 arith_reg_or_0_operand, arith_reg_or_0_or_1_operand, logical_operand,
9868 logical_and_operand, movsrc_no_disp_mem_operand): Rewrite using
9869 match_operand and match_test.
9870 (sh_const_vec, sh_1el_vec): Remove redundant checks. Declare local
9871 variables on their first use. Return bool values.
9872 * config/sh/sh.h (LOAD_EXTEND_OP): Update comment.
9873 * config/sh/sh.md (andsi3, iorsi3): Use arith_reg_dest for result and
9874 arith_reg_operand for input operand. Remove empty constraints.
9876 (*xorsi3_compact): Rename to xorsi3.
9877 (zero_extend<mode>si2): Use arith_reg_operand for input operand.
9878 (*zero_extend<mode>si2_disp_mem): Update comment.
9881 2016-04-30 Oleg Endo <olegendo@gcc.gnu.org>
9883 * config/sh/t-sh: Remove SH5 support.
9884 * config.gcc: Likewise.
9885 * configure: Likewise.
9887 2016-04-30 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
9889 * config/darwin.h (LINK_COMMAND_SPEC_A): Handle -fcilkplus.
9891 2016-04-30 Oleg Endo <olegendo@gcc.gnu.org>
9893 * config/sh/sh.c (register_sh_passes, sh_option_override,
9894 sh_print_operand, prepare_move_operands,
9895 sh_can_follow_jump): Remove TARGET_SH1 checks.
9896 * config/sh/sh.h (TARGET_VARARGS_PRETEND_ARGS, VALID_REGISTER_P,
9897 PROMOTE_MODE): Likewise.
9898 * config/sh/sh.md (adddi3, addsi3, subdi3, subsi3, andsi3,
9901 2016-04-30 Alan Modra <amodra@gmail.com>
9903 * config/rs6000/rs6000.c (rs6000_savres_strategy): Force inline
9904 restoring when fixed_reg_p, but allow out-of-line or stmw save.
9905 Check for user regs later to avoid unnecessary looping over regs.
9906 Merge user reg check with non-saved reg check. Don't force
9907 inline VR restore when static chain used.
9908 (rs6000_frame_related): Omit eh_frame info for user regs when
9910 (fixed_regs_p): Delete.
9912 2016-04-30 Alan Modra <amodra@gmail.com>
9914 * config/rs6000/rs6000.c (SAVRES_MULTIPLE): Replace with..
9915 (SAVE_STRATEGY, REST_STRATEGY): ..this. Renumber and sort enum.
9918 2016-04-30 Alan Modra <amodra@gmail.com>
9921 * config/rs6000/rs6000.c (fixed_reg_p): New function.
9922 (fixed_regs_p): Rename from global_regs_p. Call fixed_reg_p.
9925 2016-04-30 Alan Modra <amodra@gmail.com>
9927 * config/rs6000/rs6000.c (rs6000_conditional_register_usage):
9928 Remove redundant PIC_OFFSET_TABLE_REGNUM test. Replace with
9929 flag_pic test for Darwin.
9931 2016-04-30 Alan Modra <amodra@gmail.com>
9933 * regs.h (struct reg_info_t): Delete freq_calls_crossed and
9934 throw_calls_crossed.
9935 (REG_FREQ_CALLS_CROSSED): Delete.
9936 (REG_N_THROWING_CALLS_CROSSED): Delete.
9937 * regstat.c (regstat_bb_compute_ri): Don't calculate
9938 REG_FREQ_CALLS_CROSSED and REG_N_THROWING_CALLS_CROSSED.
9939 (dump_reg_info): Don't print call cross frequency.
9940 * ira.c (combine_and_move_insns): Don't set REG_FREQ_CALLS_CROSSED
9941 and REG_N_THROWING_CALLS_CROSSED.
9943 2016-04-30 Alan Modra <amodra@gmail.com>
9945 * regs.h (struct reg_info_t): Delete live_length.
9946 (REG_LIVE_LENGTH): Delete macro.
9947 * regstat.c (regstat_bb_compute_ri): Delete artificial_uses,
9948 local_live, local_processed and local_live_last_luid params.
9949 Replace bb_index param with bb. Don't set REG_LIVE_LENGTH.
9951 (regstat_compute_ri): Adjust for above. Don't set
9953 (dump_reg_info): Don't print live length.
9954 * ira.c (update_equiv_regs): Replace test of REG_LIVE_LENGTH
9955 with test of setjmp_crosses. Don't set REG_LIVE_LENGTH.
9956 Localize loop_depth var.
9958 2016-04-30 Alan Modra <amodra@gmail.com>
9960 * ira.c (enum valid_equiv): New.
9961 (validate_equiv_mem): Return enum.
9962 (update_equiv_mem): Create replacement in more cases.
9963 (add_store_equivs): Update validate_equiv_mem call.
9965 2016-04-30 Alan Modra <amodra@gmail.com>
9967 * ira.c (combine_and_move_insns): Rather than scanning insns,
9968 use DF infrastucture to find use and def insns.
9970 2016-04-30 Alan Modra <amodra@gmail.com>
9972 ira.c (combine_and_move_insns): Move invariant conditions..
9973 (ira.c): ..to here. Call combine_and_move_insns before
9974 add_store_equivs. Call grow_reg_equivs later. Allocate
9975 req_equiv later using max_reg_num() rather than global max_regno.
9976 (contains_replace_regs): Delete.
9977 (add_store_equivs): Remove contains_replace_regs test.
9979 2016-04-30 Alan Modra <amodra@gmail.com>
9981 * ira.c (struct equiv_mem_data): New.
9982 (equiv_mem, equiv_mem_modified): Delete static vars.
9983 (validate_equiv_mem_from_store): Use "data" param to communicate..
9984 (validate_equiv_mem): ..from here.
9986 2016-04-30 Alan Modra <amodra@gmail.com>
9988 * ira.c (add_store_equivs, combine_and_move_insns): New functions,
9990 (update_reg_equivs): ..here. Move allocation and freeing of
9991 reg_equiv, and calls to grow_reg_equivs, init_alias_analysis,
9992 end_alias_analysis to..
9995 2016-04-30 Alan Modra <amodra@gmail.com>
9997 * ira.c (pdx_subregs): Delete.
9998 (struct equivalence): Add pdx_subregs field.
9999 (set_paradoxical_subreg): Remove pdx_subregs param. Update
10000 pdx_subregs access.
10001 (update_equiv_regs): Don't create or free pdx_subregs. Update
10002 pdx_subregs access.
10004 2016-04-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
10006 * config/rs6000/altivec.h: Change definitions of vec_xl and
10008 * config/rs6000/rs6000-builtin.def (LD_ELEMREV_V2DF): New.
10009 (LD_ELEMREV_V2DI): New.
10010 (LD_ELEMREV_V4SF): New.
10011 (LD_ELEMREV_V4SI): New.
10012 (LD_ELEMREV_V8HI): New.
10013 (LD_ELEMREV_V16QI): New.
10014 (ST_ELEMREV_V2DF): New.
10015 (ST_ELEMREV_V2DI): New.
10016 (ST_ELEMREV_V4SF): New.
10017 (ST_ELEMREV_V4SI): New.
10018 (ST_ELEMREV_V8HI): New.
10019 (ST_ELEMREV_V16QI): New.
10022 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
10023 descriptions for VSX_BUILTIN_VEC_XL and VSX_BUILTIN_VEC_XST.
10024 * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Map from
10025 TARGET_P9_VECTOR to RS6000_BTM_P9_VECTOR.
10026 (altivec_expand_builtin): Add handling for
10027 VSX_BUILTIN_ST_ELEMREV_<MODE> and VSX_BUILTIN_LD_ELEMREV_<MODE>.
10028 (rs6000_invalid_builtin): Add error-checking for
10029 RS6000_BTM_P9_VECTOR.
10030 (altivec_init_builtins): Define builtins used to implement vec_xl
10032 (rs6000_builtin_mask_names): Define power9-vector.
10033 * config/rs6000/rs6000.h (MASK_P9_VECTOR): Define.
10034 (RS6000_BTM_P9_VECTOR): Define.
10035 (RS6000_BTM_COMMON): Include RS6000_BTM_P9_VECTOR.
10036 * config/rs6000/vsx.md (vsx_ld_elemrev_v2di): New define_insn.
10037 (vsx_ld_elemrev_v2df): Likewise.
10038 (vsx_ld_elemrev_v4sf): Likewise.
10039 (vsx_ld_elemrev_v4si): Likewise.
10040 (vsx_ld_elemrev_v8hi): Likewise.
10041 (vsx_ld_elemrev_v16qi): Likewise.
10042 (vsx_st_elemrev_v2df): Likewise.
10043 (vsx_st_elemrev_v2di): Likewise.
10044 (vsx_st_elemrev_v4sf): Likewise.
10045 (vsx_st_elemrev_v4si): Likewise.
10046 (vsx_st_elemrev_v8hi): Likewise.
10047 (vsx_st_elemrev_v16qi): Likewise.
10048 * doc/extend.texi: Add prototypes for vec_xl and vec_xst. Correct
10051 2016-04-29 Patrick Palka <ppalka@gcc.gnu.org>
10053 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Split
10055 (simplify_control_stmt_condition_1): ... here. Recurse into
10056 BIT_AND_EXPRs and BIT_IOR_EXPRs.
10058 2016-04-29 David Edelsohn <dje.gcc@gmail.com>
10061 * config/rs6000/rs6000.md (EXTQI): Don't allow extension to HImode.
10062 (zero_extendqi<mode>2_dot): Revert earlier conversion from
10063 define_insn_and_split to define_insn.
10064 (zero_extendqi<mode>2_dot2): Same.
10065 (extendqi<mode>2_dot): Same.
10066 (extendqi<mode>2_dot2): Same.
10068 2016-04-29 Uros Bizjak <ubizjak@gmail.com>
10070 * config/i386/i386.md (unspec): Add UNSPEC_PROBE_STACK.
10071 (probe_stack): New expander.
10072 (probe_stack_<mode>): New insn pattern.
10074 2016-04-29 Uros Bizjak <ubizjak@gmail.com>
10076 * config/i386/i386.md
10077 (operations with memory inputs setting flags peephole2):
10078 Remove uneeded REG_P checks. Cleanup pattern generation.
10080 2016-04-29 Ilya Enkovich <ilya.enkovich@intel.com>
10082 * tree-vect-loop.c (vect_transform_loop): Fix
10083 nb_iterations_upper_bound computation for vectorized loop.
10085 2016-04-29 Marek Polacek <polacek@redhat.com>
10086 Jakub Jelinek <jakub@redhat.com>
10089 * fold-const.c (tree_single_nonzero_warnv_p): For TARGET_EXPR, use
10090 TARGET_EXPR_SLOT as a base.
10092 2016-04-29 Andrew Burgess <andrew.burgess@embecosm.com>
10094 * config/arc/arc.md (*loadqi_update): Replace use of 'rI' constraint
10095 with 'rCm2' constraints to limit possible immediate size.
10096 (*load_zeroextendqisi_update): Likewise.
10097 (*load_signextendqisi_update): Likewise.
10098 (*loadhi_update): Likewise.
10099 (*load_zeroextendhisi_update): Likewise.
10100 (*load_signextendhisi_update): Likewise.
10101 (*loadsi_update): Likewise.
10102 (*loadsf_update): Likewise.
10104 2016-04-29 Uros Bizjak <ubizjak@gmail.com>
10106 * config/i386/predicates.md (constm1_operand): Fix comparison.
10108 2016-04-29 Claudiu Zissulescu <claziss@synopsys.com>
10110 * testsuite/gcc.target/arc/ieee_eq.c: New test.
10112 2016-04-29 Oleg Endo <olegendo@gcc.gnu.org>
10114 * common/config/sh/sh-common.c (sh_option_optimization_table): Remove
10115 remaining SH5 related settings.
10116 * config/sh/sh-protos.h (shmedia_cleanup_truncate,
10117 shmedia_prepare_call_address): Delete.
10118 * config/sh/sh.c (sh_print_operand, output_stack_adjust,
10119 DWARF_CIE_DATA_ALIGNMENT, LOCAL_ALIGNMENT): Update comments.
10120 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC,
10121 UNSUPPORTED_SH2A): Remove m5 checks.
10122 (sh_divide_strategy_e): Remove SH5 division strategies.
10123 (TARGET_PTRMEMFUNC_VBIT_LOCATION): Remove and use default.
10124 * config/sh/sh.md (divsf3): Reinstate define_expand pattern.
10126 2016-04-29 Dominik Vogt <vogt@linux.vnet.ibm.com>
10128 * config/s390/s390.c (s390_rtx_costs): Update documentation.
10130 2016-04-29 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
10132 * config/s390/2964.md ("z13_unit_fxu", "z13_0"): Remove lder.
10133 * config/s390/s390.md ("movsi_larl", "*movsi_esa", "mov<mode>"):
10134 Change lder to ldr.
10135 * config/s390/vector.md ("mov<mode>"): Likewise.
10137 2016-04-29 Ulrich Weigand <uweigand@de.ibm.com>
10139 * config/s390/constraints.md ("U", "W"): Invoke
10140 s390_mem_constraint with "ZR" and "ZT".
10141 * config/s390/s390.c (s390_check_qrst_address): Reject invalid
10142 addresses when using LRA. Accept also short displacements for S
10143 and T constraints. Do not check for long displacement target for
10144 S and T constraints.
10145 (s390_mem_constraint): Remove handling of U and W constraints.
10146 * config/s390/s390.md (various patterns): Remove the short
10147 displacement constraints (Q and R) if a long displacement
10148 constraint is present. Add longdisp as required CPU capability.
10149 * config/s390/vector.md: Likewise.
10150 * config/s390/vx-builtins.md: Likewise.
10152 2016-04-29 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
10155 * reload1.c (reload): Call finish_spills before
10156 restarting reload loop. Skip select_reload_regs
10157 if update_eliminables_and_spill returns true.
10159 2016-04-29 Claudiu Zissulescu <claziss@synopsys.com>
10161 * config/arc/arc.h (UNSIGNED_INT12, UNSIGNED_INT16): Define.
10162 * config/arc/arc.md (umulhisi3): Use arc_short_operand predicate.
10163 (umulhisi3_imm): Update predicates and constraint letters.
10164 (umulhisi3_reg): Declare instruction as commutative.
10165 * config/arc/constraints.md (J12, J16): New constraints.
10166 * config/arc/predicates.md (short_unsigned_const_operand): New
10168 (arc_short_operand): Likewise.
10169 * testsuite/gcc.target/arc/umulsihi3_z.c: New file.
10171 2016-04-29 Richard Biener <rguenther@suse.de>
10173 PR tree-optimization/13962
10174 PR tree-optimization/65686
10175 * tree-ssa-alias.h (ptrs_compare_unequal): Declare.
10176 * tree-ssa-alias.c (ptrs_compare_unequal): New function
10177 using PTA to compare pointers.
10178 * match.pd: Add pattern for pointer equality compare simplification
10179 using ptrs_compare_unequal.
10181 2016-04-29 Richard Biener <rguenther@suse.de>
10183 * stor-layout.c (layout_type): Do not build a pointer-to-element
10186 2016-04-29 Uros Bizjak <ubizjak@gmail.com>
10188 * config/i386/i386.md (Load+RegOp to Mov+MemOp peephole2):
10189 Use SWI mode iterator. Use general_reg_operand predicate.
10190 (Load+RegOp to Mov+MemOp peephole2 with vector regs): Split
10191 peephole to MMX and SSE part. Use mmx_reg_operand and sse_reg_operand
10194 2016-04-29 Jakub Jelinek <jakub@redhat.com>
10196 PR middle-end/70843
10197 * fold-const.c (operand_equal_p): Don't verify hash value equality
10199 * tree.c (inchash::add_expr): Handle STATEMENT_LIST. Ignore BLOCK
10202 2016-04-28 Jakub Jelinek <jakub@redhat.com>
10205 * config/i386/i386.c (bdesc_special_args): Add | OPTION_MASK_ISA_64BIT
10206 to __builtin_ia32_lwpval64 and __builtin_ia32_lwpins64.
10207 (bdesc_args): Add | OPTION_MASK_ISA_64BIT to __builtin_ia32_bextr_u64,
10208 __builtin_ia32_bextri_u64, __builtin_ia32_bzhi_di,
10209 __builtin_ia32_pdep_di and __builtin_ia32_pext_di.
10211 2016-04-28 Segher Boessenkool <segher@kernel.crashing.org>
10213 * config/rs6000/rs6000.c (compute_save_world_info): Rename info_ptr
10214 to info. Don't initialize separate fields to 0. Clean up
10217 2016-04-28 Uros Bizjak <ubizjak@gmail.com>
10219 * config/i386/i386.md (peephole2s for operations with memory inputs):
10220 Use SWI mode iterator.
10221 (peephole2s for operations with memory outputs): Ditto.
10222 Do not check for stack checking probe.
10224 (probe_stack): Remove expander.
10226 2016-04-28 Joern Rennecke <joern.rennecke@embecosm.com>
10227 Andrew Burgess <andrew.burgess@embecosm.com>
10229 * config/arc/arc.c (arc_print_operand): Print integer 'H' / 'L'
10230 operands as 32-bits.
10232 2016-04-28 Jason Merrill <jason@redhat.com>
10234 * gdbinit.in: Skip line-map.h.
10236 2016-04-28 Joern Rennecke <joern.rennecke@embecosm.com>
10237 Andrew Burgess <andrew.burgess@embecosm.com>
10239 * config/arc/arc.c (arc_conditional_register_usage): Take
10240 TARGET_RRQ_CLASS into account.
10241 (arc_print_operand): Support printing 'p' and 's' operands.
10242 * config/arc/arc.h (TARGET_NPS_BITOPS_DEFAULT): Provide default
10244 (TARGET_RRQ_CLASS): Define.
10245 (IS_POWEROF2_OR_0_P): Define.
10246 * config/arc/arc.md (*movsi_insn): Add w/Clo, w/Chi, and w/Cbi
10248 (*tst_movb): New define_insn.
10249 (*tst): Avoid recognition if it could prevent '*tst_movb'
10250 combination; replace c/CnL with c/Chs alternative.
10251 (*tst_bitfield_tst): New define_insn.
10252 (*tst_bitfield_asr): New define_insn.
10253 (*tst_bitfield): New define_insn.
10254 (andsi3_i): Add Rrq variant.
10255 (extzv): New define_expand.
10256 (insv): New define_expand.
10257 (*insv_i): New define_insn.
10258 (*movb): New define_insn.
10259 (*movb_signed): New define_insn.
10260 (*movb_high): New define_insn.
10261 (*movb_high_signed): New define_insn.
10262 (*movb_high_signed + 1): New define_split pattern.
10263 (*mrgb): New define_insn.
10264 (*mrgb + 1): New define_peephole2 pattern.
10265 (*mrgb + 2): New define_peephole2 pattern.
10266 * config/arc/arc.opt (mbitops): New option for nps400, uses
10267 TARGET_NPS_BITOPS_DEFAULT.
10268 * config/arc/constraints.md (q): Make register class conditional.
10269 (Rrq): New register constraint.
10270 (Chs): New constraint.
10271 (Clo): New constraint.
10272 (Chi): New constraint.
10273 (Cbf): New constraint.
10274 (Cbn): New constraint.
10275 (C18): New constraint.
10276 (Cbi): New constraint.
10278 2016-04-28 Segher Boessenkool <segher@kernel.crashing.org>
10280 * cfganal.c (bitmap_intersection_of_succs): Delete assert checking
10282 (bitmap_intersection_of_preds): Ditto.
10283 (bitmap_union_of_succs): Ditto.
10284 (bitmap_union_of_preds): Ditto.
10285 * sbitmap.c (do_popcount): Delete.
10286 (BITMAP_DEBUGGING): Delete.
10287 (sbitmap_verify_popcount): Delete.
10288 (sbitmap_alloc): Don't initialize the popcount field.
10289 (sbitmap_alloc_with_popcount): Delete.
10290 (sbitmap_resize): Don't resize the popcount array.
10291 (sbitmap_vector_alloc): Don't initialize the popcount field.
10292 (bitmap_copy): Don't copy the popcount array.
10293 (bitmap_clear): Don't clear the popcount array.
10294 (bitmap_clear): Delete the popcount array handling.
10295 (bitmap_ior_and_compl): Delete the popcount assert.
10296 (bitmap_not): Ditto.
10297 (bitmap_and_compl): Ditto.
10298 (bitmap_and): Delete the popcount array handling.
10299 (bitmap_xor): Ditto.
10300 (bitmap_ior): Ditto.
10301 (bitmap_or_and): Delete the popcount assert.
10302 (bitmap_and_or): Ditto.
10303 (popcount_table): Delete.
10304 (sbitmap_elt_popcount): Delete.
10305 * sbitmap.h (simple_bitmap_def): Delete the popcount field.
10306 (bitmap_set_bit): Delete the popcount assert.
10307 (bitmap_clear_bit): Ditto.
10308 (sbitmap_free): Don't free the popcount array.
10309 (sbitmap_alloc_with_popcount): Delete declaration.
10310 (sbitmap_popcount): Ditto.
10312 2016-04-28 Joern Rennecke <joern.rennecke@embecosm.com>
10313 Andrew Burgess <andrew.burgess@embecosm.com>
10315 * config/arc/arc.h (SYMBOL_FLAG_CMEM): Define.
10316 (TARGET_NPS_CMEM_DEFAULT): Provide default definition.
10317 * config/arc/arc.c (arc_address_cost): Return 0 for cmem_address.
10318 (arc_encode_section_info): Set SYMBOL_FLAG_CMEM where indicated.
10319 * config/arc/arc.opt (mcmem): New option.
10320 * config/arc/arc.md (*extendqihi2_i): Add r/Uex alternative,
10321 supply length for r/m alternative.
10322 (*extendqisi2_ac): Likewise.
10323 (*extendhisi2_i): Add r/Uex alternative, supply length for r/m and
10325 (movqi_insn): Add r/Ucm and Ucm/?Rac alternatives.
10326 (movhi_insn): Likewise.
10327 (movsi_insn): Add r/Ucm,Ucm/w alternatives.
10328 (*zero_extendqihi2_i): Add r/Ucm alternative.
10329 (*zero_extendqisi2_ac): Likewise.
10330 (*zero_extendhisi2_i): Likewise.
10331 * config/arc/constraints.md (Uex): New memory constraint.
10332 (Ucm): New define_constraint.
10333 * config/arc/predicates.md (long_immediate_loadstore_operand):
10334 Return 0 for MEM with cmem_address address.
10335 (cmem_address_0): New predicates.
10336 (cmem_address_1): Likewise.
10337 (cmem_address_2): Likewise.
10338 (cmem_address): Likewise.
10340 2016-04-28 Segher Boessenkool <segher@kernel.crashing.org>
10342 * config/rs6000/rs6000.c (machine_function): Rename
10343 insn_chain_scanned_p to spe_insn_chain_scanned_p.
10344 (rs6000_stack_info): Adjust.
10346 2016-04-28 Joern Rennecke <joern.rennecke@embecosm.com>
10347 Andrew Burgess <andrew.burgess@embecosm.com>
10349 * config/arc/constraints.md (Usd): Convert to define_constraint.
10353 2016-04-28 Jakub Jelinek <jakub@redhat.com>
10356 * config/i386/sync.md (define_peephole2 *atomic_fetch_add_cmp<mode>):
10357 Add new peephole2 where the first insn is *mov<mode>_or instead of
10358 *mov<mode>_internal.
10360 2016-04-28 Segher Boesssenkool <segher@kernel.crashing.org>
10362 * tracer.c (bb_seen): Make static.
10364 2016-04-28 Andrew Burgess <andrew.burgess@embecosm.com>
10366 * common/config/arc/arc-common.c (arc_handle_option): Add NPS400
10367 support, setup defaults.
10368 * config/arc/arc-opts.h (enum processor_type): Add NPS400.
10369 * config/arc/arc.c (arc_init): Add NPS400 support.
10370 * config/arc/arc.h (CPP_SPEC): Add NPS400 defines.
10371 (TARGET_ARC700): NPS400 is also an ARC700.
10372 * config/arc/arc.opt: Add NPS400 options to -mcpu=.
10374 2016-04-28 Segher Boessenkool <segher@kernel.crashing.org>
10377 * config/nds32/nds32.md (casesi): Don't access the operands array
10380 2016-04-28 Uros Bizjak <ubizjak@gmail.com>
10382 * config/i386/i386.md (zeroing peephole2): Use general_reg_operand.
10383 (or $-1,reg peephole2): Ditto.
10384 (strict_low_part zeroing peephole2): Use SWI12 mode iterator.
10386 2016-04-28 Markus Trippelsdorf <markus@trippelsdorf.de>
10388 * doc/extend.texi (Common Function Attributes) [optimize]:
10389 Discourage use of the optimize attribute.
10391 2016-04-28 Bill Seurer <seurer@linux.vnet.ibm.com>
10393 * config/rs6000/rs6000-builtin.def (vec_adde): Change vec_adde to a
10394 special case builtin.
10395 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Remove
10396 ALTIVEC_BUILTIN_VEC_ADDE.
10397 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
10398 support for ALTIVEC_BUILTIN_VEC_ADDE.
10399 * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
10400 for __builtin_vec_adde.
10402 2016-04-28 Jakub Jelinek <jakub@redhat.com>
10404 * config/i386/i386.md (sse4_1_round<mode>2): Add avx512f alternative.
10405 * config/i386/sse.md (sse4_1_round<ssescalarmodesuffix>): Likewise.
10407 2016-04-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
10410 * doc/sourcebuild.texi (Effective-Target Keywords, Other
10411 attributes): Document cilkplus_runtime.
10413 2016-04-28 Martin Jambor <mjambor@suse.cz>
10415 * tree-cfg.c (verify_expr): Verify that local declarations belong to
10416 this function. Call verify_expr on MEM_REFs and bases of other
10417 handled_components.
10419 2016-04-28 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
10421 * internal-fn.c (expand_arith_overflow): Convert preprocessor check
10422 for WORD_REGISTER_OPERATIONS to runtime check.
10424 2016-04-28 Claudiu Zissulescu <claziss@synopsys.com>
10426 * config/arc/arc.h (ASM_SPEC): Pass mfpuda to assembler.
10428 2016-04-28 Claudiu Zissulescu <claziss@synopsys.com>
10430 * config/arc/arc.c (arc_process_double_reg_moves): Fix for
10431 big-endian compilation.
10432 * config/arc/arc.md (addf3): Likewise.
10433 (subdf3): Likewise.
10434 (muldf3): Likewise.
10436 2016-04-28 Richard Biener <rguenther@suse.de>
10438 PR tree-optimization/70840
10439 * match.pd: powi(-x, y) and powi(|x|,y) -> powi(x,y) if y is even;
10440 Fix pow(copysign(x, y), z) -> pow(x, z) and add powi variant;
10441 Mark x * pow(x,c) -> pow(x,c+1) commutative.
10442 Add powi(x,y) * powi(z,y) -> powi(x*z,y).
10444 2015-04-28 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
10446 * config/aarch64/aarch64.h (WORD_REGISTER_OPERATIONS): Define to 0
10447 and explain why in a comment.
10449 2016-04-28 Claudiu Zissulescu <claziss@synopsys.com>
10451 * config/arc/arc.md (cpu_facility): Add fpx variant.
10452 (subdf3): Prohibit use reverse sub when assist operations option
10454 * config/arc/fpx.md (subdf3_insn, *dsubh_peep2_insn): Allow drsub
10455 instructions only when FPX is enabled.
10456 * testsuite/gcc.target/arc/trsub.c: New test.
10458 2016-04-28 Uros Bizjak <ubizjak@gmail.com>
10460 * config/i386/i386.md (*fop_<mode>_1_mixed): Do not check for
10461 mult_operator when calculating "type" attribute.
10462 (*fop_<mode>_1_i387): Ditto.
10463 (*fop_xf_1_i387): Ditto.
10464 (x87 stack loads peephole2): Add "reg = op (mem, reg)" peephole2.
10465 Use std::swap to swap operands. Use RTL expressions to generate
10468 2016-04-28 Claudiu Zissulescu <claziss@synopsys.com>
10469 Joern Rennecke <joern.rennecke@embecosm.com>
10471 * config/arc/arc-protos.h (arc_legitimize_pic_address): Remove
10473 (emit_pic_move): Remove.
10474 (arc_eh_uses, insn_is_tls_gd_dispatch): Declare.
10475 * config/arc/arc.c (emit_pic_move): Removed.
10476 (TARGET_HAVE_TLS): Define.
10477 (arc_conditional_register_usage): Test for arc_tp_regno.
10478 (arc_print_operand, arc_print_operand_address): Handle TLS
10480 (arc_needs_pcl_p): New function.
10481 (arc_legitimate_pc_offset_p): Use arc_needs_pcl_p.
10482 (arc_legitimate_pic_addr_p): Handle TLS unspecs.
10483 (arc_raw_symbolic_reference_mentioned_p): Likewise.
10484 (arc_get_tp, arc_emit_call_tls_get_addr): New function.
10485 (arc_legitimize_tls_address): Likewise.
10486 (DTPOFF_ZERO_SYM): Define.
10487 (arc_legitimize_pic_address): Make it static, handle TLS cases.
10488 (arc_output_pic_addr_const): Print TLS unspecs.
10489 (prepare_pic_move): New function, replaces emit_pic_move.
10490 (arc_legitimate_constant_p): Handle TLS unspecs.
10491 (arc_legitimate_address_p): Likewise.
10492 (arc_rewrite_small_data_p): Use assert for TLS constants.
10493 (prepare_move_operands): Use prepare_pic_move.
10494 (arc_legitimize_address): Legitimize tls addresses.
10495 (arc_epilogue_uses): Check for arc_tp_regno.
10496 (arc_eh_uses, insn_is_tls_gd_dispatch): New function.
10497 * config/arc/arc.h [DEFAULT_LIBC != LIBC_UCLIBC] (EXTRA_SPECS):
10499 [DEFAULT_LIBC != LIBC_UCLIBC] (ARC_TLS_EXTRA_START_SPEC):
10501 [DEFAULT_LIBC != LIBC_UCLIBC] (STARTFILE_SPEC): Add
10502 %(arc_tls_extra_start_spec).
10503 (TARGET_CPU_CPP_BUILTINS): Define __ARC_TLS_REGNO__.
10504 (REGNO_OK_FOR_BASE_P): Check for arc_tp_regno.
10506 (INSN_REFERENCES_ARE_DELAYED): Use insn_is_tls_gd_dispatch.
10507 * config/arc/arc.md (UNSPEC_TLS_GD, UNSPEC_TLS_LD, UNSPEC_TLS_IE)
10508 (UNSPEC_TLS_OFF): Add.
10510 (tls_load_tp_soft, tls_gd_load, tls_gd_get_addr, tls_gd_dispatch)
10511 (get_thread_pointersi): New patterns.
10512 * config/arc/arc.opt (mtp-regno): New option.
10513 * config/arc/predicates.md (move_src_operand): Handle TLS symbols.
10514 (move_dest_operand): Likewise.
10515 * configure: Regenerate.
10516 * configure.ac: Add arc*-*-* case to test for tls.
10517 * doc/invoke.texi (ARC options): Document mtp-regno.
10519 2016-04-28 Claudiu Zissulescu <claziss@synopsys.com>
10521 * config/arc/arc.c (arc_vector_mode_supported_p): Add support for
10522 the new ARC HS SIMD instructions.
10523 (arc_preferred_simd_mode): New function.
10524 (arc_autovectorize_vector_sizes): Likewise.
10525 (TARGET_VECTORIZE_PREFERRED_SIMD_MODE)
10526 (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Define.
10527 (arc_init_reg_tables): Accept new ARC HS SIMD modes.
10528 (arc_init_builtins): Add new SIMD builtin types.
10529 (arc_split_move): Handle 64 bit vector moves.
10530 * config/arc/arc.h (TARGET_PLUS_DMPY, TARGET_PLUS_MACD)
10531 (TARGET_PLUS_QMACW): Define.
10532 * config/arc/builtins.def (QMACH, QMACHU, QMPYH, QMPYHU, DMACH)
10533 (DMACHU, DMPYH, DMPYHU, DMACWH, DMACWHU, VMAC2H, VMAC2HU, VMPY2H)
10534 (VMPY2HU, VADDSUB2H, VSUBADD2H, VADDSUB, VSUBADD, VADDSUB4H)
10535 (VSUBADD4H): New builtins.
10536 * config/arc/simdext.md: Add new ARC HS SIMD instructions.
10537 * testsuite/gcc.target/arc/builtin_simdarc.c: New file.
10539 2016-04-28 Eduard Sanou <dhole@openmailbox.org>
10540 Matthias Klose <doko@debian.org>
10542 * doc/cppenv.texi: Document SOURCE_DATE_EPOCH environment variable.
10544 2016-04-28 Richard Biener <rguenther@suse.de>
10546 PR middle-end/70777
10547 * fold-const.c (fold_binary_loc): Remove x*x to pow(x,2.0)
10550 2016-04-28 Oleg Endo <olegendo@gcc.gnu.org>
10552 * common/config/sh/sh-common.c: Remove SH5 support.
10553 * config/sh/constraints.md: Likewise.
10554 * config/sh/config/sh/elf.h: Likewise.
10555 * config/sh/linux.h: Likewise.
10556 * config/sh/netbsd-elf.h: Likewise.
10557 * config/sh/predicates.md: Likewise.
10558 * config/sh/sh-c.c: Likewise.
10559 * config/sh/sh-protos.h: Likewise.
10560 * config/sh/sh.c: Likewise.
10561 * config/sh/sh.h: Likewise.
10562 * config/sh/sh.md: Likewise.
10563 * config/sh/sh.opt: Likewise.
10564 * config/sh/sync.md: Likewise.
10565 * config/sh/sh64.h: Delete.
10566 * config/sh/shmedia.h: Likewise.
10567 * config/sh/shmedia.md: Likewise.
10568 * config/sh/sshmedia.h: Likewise.
10569 * config/sh/t-netbsd-sh5-64: Likewise.
10570 * config/sh/t-sh64: Likewise.
10571 * config/sh/ushmedia.h: Likewise.
10573 2016-04-28 Uros Bizjak <ubizjak@gmail.com>
10575 * config/i386/i386.md (sign_extend to memory peephole2s): Use
10576 general_reg_operand instead of register_operand predicate.
10578 2016-04-27 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
10580 * params.def (MIN_PARTITION_SIZE): Set default value to 10000.
10582 2016-04-27 Marc Glisse <marc.glisse@inria.fr>
10584 * match.pd (A - B > A, A + B < A): New transformations.
10586 2016-04-27 Patrick Palka <ppalka@gcc.gnu.org>
10588 * genattrtab.c (write_test_expr): New parameter EMIT_PARENS
10589 which defaults to true. Emit an outer pair of parentheses only if
10590 EMIT_PARENS. When continuing a chain of && or || (or & or |),
10591 don't emit parentheses for the right-hand operand.
10593 2016-04-27 Jeff Law <law@redhat.com>
10595 * tree-ssa-dom.c (record_temporary_equivalences): Fix typo in comment.
10597 2016-04-27 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
10599 * config/rs6000/altivec.md (altivec_lvx_<mode>): Remove.
10600 (altivec_lvx_<mode>_internal): Document.
10601 (altivec_lvx_<mode>_2op): New define_insn.
10602 (altivec_lvx_<mode>_1op): Likewise.
10603 (altivec_lvx_<mode>_2op_si): Likewise.
10604 (altivec_lvx_<mode>_1op_si): Likewise.
10605 (altivec_stvx_<mode>): Remove.
10606 (altivec_stvx_<mode>_internal): Document.
10607 (altivec_stvx_<mode>_2op): New define_insn.
10608 (altivec_stvx_<mode>_1op): Likewise.
10609 (altivec_stvx_<mode>_2op_si): Likewise.
10610 (altivec_stvx_<mode>_1op_si): Likewise.
10611 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
10612 Expand vec_ld and vec_st during parsing.
10613 * config/rs6000/rs6000.c (altivec_expand_lvx_be): Commentary
10615 (altivec_expand_stvx_be): Likewise.
10616 (altivec_expand_lv_builtin): Expand lvx built-ins to expose the
10617 address-masking behavior in RTL.
10618 (altivec_expand_stv_builtin): Expand stvx built-ins to expose the
10619 address-masking behavior in RTL.
10620 (altivec_expand_builtin): Change builtin code arguments for calls
10621 to altivec_expand_stv_builtin and altivec_expand_lv_builtin.
10622 (insn_is_swappable_p): Avoid incorrect swap optimization in the
10623 presence of lvx/stvx patterns.
10624 (alignment_with_canonical_addr): New function.
10625 (alignment_mask): Likewise.
10626 (find_alignment_op): Likewise.
10627 (recombine_lvx_pattern): Likewise.
10628 (recombine_stvx_pattern): Likewise.
10629 (recombine_lvx_stvx_patterns): Likewise.
10630 (rs6000_analyze_swaps): Perform a pre-pass to recognize lvx and
10631 stvx patterns from expand.
10632 * config/rs6000/vector.md (vector_altivec_load_<mode>): Use new
10634 (vector_altivec_store_<mode>): Likewise.
10636 2016-04-26 Evandro Menezes <e.menezes@samsung.com>
10638 * config/aarch64/aarch64.md
10639 (*movhf_aarch64): Add "movi %0, #0" to zero up register and
10640 remove the "fp" attributes.
10641 (*movsf_aarch64): Add "movi %0, #0" to zero up register and
10642 add the "simd" attributes.
10643 (*movdf_aarch64): Likewise.
10644 (*movtf_aarch64): Remove the "fp" attributes.
10645 * testsuite/gcc.target/aarch64/fmovf-zero-reg.c: Update accordingly.
10646 * testsuite/gcc.target/aarch64/fmovd-zero-reg.c: Likewise.
10648 2016-04-27 David Malcolm <dmalcolm@redhat.com>
10650 * emit-rtl.c (maybe_set_first_label_num): Strengthen param from
10651 rtx to rtx_code_label *.
10652 * rtl.h (maybe_set_first_label_num): Likewise.
10654 2016-04-27 David Malcolm <dmalcolm@redhat.com>
10656 * df-core.c (df_add_problem): Make the problem param be const.
10657 (df_remove_problem): Make local "problem" be const.
10658 * df-problems.c (problem_RD): Make const.
10659 (problem_LR): Likewise.
10660 (problem_LIVE): Likewise.
10661 (problem_MIR): Likewise.
10662 (problem_CHAIN): Likewise.
10663 (problem_WORD_LR): Likewise.
10664 (problem_NOTE): Likewise.
10665 (problem_MD): Likewise.
10666 * df-scan.c (problem_SCAN): Likewise.
10667 * df.h (struct df_problem): Make field "dependent_problem" be
10669 (struct dataflow): Likewise for field "problem".
10670 (df_add_problem): Make param const.
10672 2016-04-27 Uros Bizjak <ubizjak@gmail.com>
10674 * config/i386/i386.c (ix86_spill_class): Enable for TARGET_SSE2 when
10675 inter-unit moves to/from vector registers are enabled. Do not disable
10678 2016-04-27 David Malcolm <dmalcolm@redhat.com>
10680 * df.h (DF_SCAN, DF_LR, DF_LIVE, DF_RD, DF_CHAIN, DF_WORD_LR,
10681 DF_NOTE, DF_MD, DF_MIR, DF_LAST_PROBLEM_PLUS1): Convert from
10683 (enum df_problem_id): ...this new enum.
10684 (struct df_problem): Convert field "id" from "int" to
10685 enum df_problem_id.
10687 2016-04-27 David Malcolm <dmalcolm@redhat.com>
10689 * rtl.def: Update comment for "things in the instruction chain" to
10690 reflect the removal of the leading "i" field for INSN_UID in
10691 r210360. Fix bogus apostrophe.
10693 2016-04-27 Uros Bizjak <ubizjak@gmail.com>
10695 * config/i386/i386.md
10696 (lea arith with mem operand + setcc peephole2): Set operator mode.
10698 2016-04-27 H.J. Lu <hongjiu.lu@intel.com>
10701 * config/i386/i386.c (scalar_to_vector_candidate_p): Renamed to ...
10702 (dimode_scalar_to_vector_candidate_p): This.
10703 (timode_scalar_to_vector_candidate_p): New function.
10704 (scalar_to_vector_candidate_p): Likewise.
10705 (timode_check_non_convertible_regs): Likewise.
10706 (timode_remove_non_convertible_regs): Likewise.
10707 (remove_non_convertible_regs): Likewise.
10708 (remove_non_convertible_regs): Renamed to ...
10709 (dimode_remove_non_convertible_regs): This.
10710 (scalar_chain::~scalar_chain): Make it virtual.
10711 (scalar_chain::compute_convert_gain): Make it pure virtual.
10712 (scalar_chain::mark_dual_mode_def): Likewise.
10713 (scalar_chain::convert_insn): Likewise.
10714 (scalar_chain::convert_registers): Likewise.
10715 (scalar_chain::add_to_queue): Make it protected.
10716 (scalar_chain::emit_conversion_insns): Likewise.
10717 (scalar_chain::replace_with_subreg): Likewise.
10718 (scalar_chain::replace_with_subreg_in_insn): Likewise.
10719 (scalar_chain::convert_op): Likewise.
10720 (scalar_chain::convert_reg): Likewise.
10721 (scalar_chain::make_vector_copies): Likewise.
10722 (scalar_chain::convert_registers): New pure virtual function.
10723 (class dimode_scalar_chain): New class.
10724 (class timode_scalar_chain): Likewise.
10725 (scalar_chain::mark_dual_mode_def): Renamed to ...
10726 (dimode_scalar_chain::mark_dual_mode_def): This.
10727 (timode_scalar_chain::mark_dual_mode_def): New function.
10728 (timode_scalar_chain::convert_insn): Likewise.
10729 (dimode_scalar_chain::convert_registers): Likewise.
10730 (scalar_chain::compute_convert_gain): Renamed to ...
10731 (dimode_scalar_chain::compute_convert_gain): This.
10732 (scalar_chain::replace_with_subreg): Renamed to ...
10733 (dimode_scalar_chain::replace_with_subreg): This.
10734 (scalar_chain::replace_with_subreg_in_insn): Renamed to ...
10735 (dimode_scalar_chain::replace_with_subreg_in_insn): This.
10736 (scalar_chain::make_vector_copies): Renamed to ...
10737 (dimode_scalar_chain::make_vector_copies): This.
10738 (scalar_chain::convert_reg): Renamed to ...
10739 (dimode_scalar_chain::convert_reg ): This.
10740 (scalar_chain::convert_op): Renamed to ...
10741 (dimode_scalar_chain::convert_op): This.
10742 (scalar_chain::convert_insn): Renamed to ...
10743 (dimode_scalar_chain::convert_insn): This.
10744 (scalar_chain::convert): Call convert_registers.
10745 (convert_scalars_to_vector): Change to scalar_chain pointer to
10746 use timode_scalar_chain in 64-bit mode and dimode_scalar_chain
10747 in 32-bit mode. Delete scalar_chain pointer. Call
10748 free_dominance_info in 64-bit mode.
10749 (pass_stv::gate): Remove TARGET_64BIT check.
10750 (ix86_option_override): Put the 64-bit STV pass before the CSE
10753 2016-04-27 Pierre-Marie de Rodat <derodat@adacore.com>
10755 * dwarf2out.h (struct dw_loc_descr_node): Remove the
10756 dw_loc_frame_offset field.
10757 * dwarf2out.c (new_loc_descr): Likewise.
10758 (resolve_args_picking_1): Turn the VISITED hash set into a
10759 FRAME_OFFSET hash map. Use it to associate a frame offset to
10760 visited nodes. Remove uses of the CHECKING_P macro.
10761 (resolve_args_picking): Update call to resolve_args_picking_1.
10763 2016-04-27 Martin Liska <mliska@suse.cz>
10765 * tree-ssa-loop-ivopts.c (iv_ca_dump): Fix level of indentation.
10766 (free_loop_data): Release vuses of groups.
10768 2016-04-27 Bin Cheng <bin.cheng@arm.com>
10770 * tree-ssa-loop-ivopts.c (struct iv): Use pointer to struct iv_use
10771 instead of redundant use_id and boolean have_use_for.
10772 (struct iv_use): Change sub_id into group_id. Remove field next.
10773 Move fields: related_cands, n_map_members, cost_map and selected
10775 (struct iv_group): ... here. New structure.
10776 (struct iv_common_cand): Use structure declaration directly.
10777 (struct ivopts_data, iv_ca, iv_ca_delta): Rename fields.
10778 (MAX_CONSIDERED_USES): Rename macro to ...
10779 (MAX_CONSIDERED_GROUPS): ... here.
10780 (n_iv_uses, iv_use, n_iv_cands, iv_cand): Delete.
10781 (dump_iv, dump_use, dump_cand): Refactor format of dump information.
10782 (dump_uses): Rename to ...
10783 (dump_groups): ... here. Update all uses.
10784 (tree_ssa_iv_optimize_init, alloc_iv): Update all uses.
10785 (find_induction_variables): Refactor format of dump information.
10786 (record_sub_use): Delete.
10787 (record_use): Update all uses.
10788 (record_group): New function.
10789 (record_group_use, find_interesting_uses_op): Call above functions.
10791 (find_interesting_uses_cond): Ditto.
10792 (group_compare_offset): New function.
10793 (split_all_small_groups): Rename to ...
10794 (split_small_address_groups_p): ... here. Update all uses.
10795 (split_address_groups): Update all uses.
10796 (find_interesting_uses): Refactor format of dump information.
10797 (add_candidate_1): Update all uses. Remove redundant check on iv,
10799 (add_candidate, record_common_cand): Remove redundant assert.
10800 (add_iv_candidate_for_biv): Update use.
10801 (add_iv_candidate_derived_from_uses): Update all uses.
10802 (add_iv_candidate_for_groups, record_important_candidates): Ditto.
10803 (alloc_use_cost_map): Ditto.
10804 (set_use_iv_cost, get_use_iv_cost): Rename to ...
10805 (set_group_iv_cost, get_group_iv_cost): ... here. Update all uses.
10806 (determine_use_iv_cost_generic): Ditto.
10807 (determine_group_iv_cost_generic): Ditto.
10808 (determine_use_iv_cost_address): Ditto.
10809 (determine_group_iv_cost_address): Ditto.
10810 (determine_use_iv_cost_condition): Ditto.
10811 (determine_group_iv_cost_cond): Ditto.
10812 (determine_use_iv_cost): Ditto.
10813 (determine_group_iv_cost): Ditto.
10814 (set_autoinc_for_original_candidates): Update all uses.
10815 (find_iv_candidates): Update all uses. Refactor dump information.
10816 (determine_use_iv_costs): Ditto.
10817 (determine_iv_costs): Ditto.
10818 (iv_ca_cand_for_use): Rename to ...
10819 (iv_ca_cand_for_group): ... here. Update all uses.
10820 (iv_ca_add_use, iv_ca_add_group): Ditto.
10821 (iv_ca_set_cp, iv_ca_cost, iv_ca_delta_add): Update all uses.
10822 (iv_ca_delta_join, iv_ca_delta_reverse, iv_ca_delta_free): Ditto.
10823 (iv_ca_new, iv_ca_dump, iv_ca_extend, iv_ca_narrow): Ditto.
10824 (iv_ca_prune, cheaper_cost_with_cand, iv_ca_replace): Ditto.
10825 (try_add_cand_for, try_improve_iv_set, find_optimal_iv_set): Ditto.
10826 (create_new_iv, adjust_iv_update_pos): Ditto.
10827 (rewrite_use_address): Delete.
10828 (rewrite_use_address_1): Rename to ...
10829 (rewrite_use_address): ... here.
10830 (rewrite_use_compare): Update all uses.
10831 (rewrite_use): Delete.
10832 (rewrite_uses): Rename to ...
10833 (rewrite_groups): ... here. Update all uses.
10834 (remove_unused_ivs, free_loop_data): Update all uses.
10835 (tree_ssa_iv_optimize_finalize, tree_ssa_iv_optimize_loop): Ditto.
10837 2016-04-27 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
10839 * rtlanal.c (nonzero_bits1): Convert preprocessor check
10840 for WORD_REGISTER_OPERATIONS to runtime check.
10842 2016-04-27 Richard Biener <rguenther@suse.de>
10845 * tree-ssa-structalias.c (find_func_aliases_for_call): Use
10846 aggregate_value_p to determine if a function result is
10847 returned by reference.
10848 (ipa_pta_execute): Functions having their address taken are
10849 not automatically nonlocal.
10851 2016-04-27 Jakub Jelinek <jakub@redhat.com>
10854 * tree-core.h (enum operand_equal_flag): Add OEP_NO_HASH_CHECK.
10855 * fold-const.c (operand_equal_p): If flag_checking and
10856 OEP_NO_HASH_CHECK is not set in flag, recurse with OEP_NO_HASH_CHECK
10857 and if it returns non-zero, assert iterative_hash_expr on both
10860 2016-04-27 Bernd Schmidt <bschmidt@redhat.com>
10862 * doc/invoke.texi (-frename-registers): Also enabled at -Os.
10864 2016-04-27 Nick Clifton <nickc@redhat.com>
10866 PR middle-end/49889
10867 * varasm.c (merge_weak): Generate an error if an attempt is made
10868 to convert a non-weak static function into a weak, public function.
10870 2016-04-27 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
10872 * params.def (MAX_PARTITION_SIZE): New param.
10873 * doc/invoke.texi: Document lto-max-partition.
10875 2016-04-27 Richard Biener <rguenther@suse.de>
10878 * tree-ssa-structalias.c (refered_from_nonlocal_fn): New
10879 function cummulating used_from_other_partition, externally_visible
10880 and force_output from aliases.
10881 (refered_from_nonlocal_var): Likewise.
10882 (ipa_pta_execute): Use call_for_symbol_and_aliases to cummulate
10883 node flags properly.
10885 2016-04-27 Bernd Schmidt <bschmidt@redhat.com>
10887 * doc/invoke.texi (Warning Options): Add -Wmemset-elt-size.
10888 (-Wmemset-elt-size): New item.
10890 2016-04-27 Eric Botcazou <ebotcazou@adacore.com>
10893 * stor-layout.h (internal_reference_types): Delete.
10894 * stor-layout.c (reference_types_internal): Likewise.
10895 (internal_reference_types): Likewise.
10896 (layout_type) <REFERENCE_TYPE>: Adjust.
10898 2016-04-27 Jakub Jelinek <jakub@redhat.com>
10901 * tree.h (inchash::add_expr): Add FLAGS argument.
10902 * tree.c (inchash::add_expr): Likewise. If not OEP_ADDRESS_OF,
10903 use STRIP_NOPS first. For INTEGER_CST assert not OEP_ADDRESS_OF.
10904 For REAL_CST and !HONOR_SIGNED_ZEROS (t) hash +/- 0 the same.
10905 Formatting fix. Adjust recursive calls. For tcc_comparison,
10906 if swap_tree_comparison (code) is smaller than code, hash that
10907 and arguments in the other order. Hash CONVERT_EXPR the same
10908 as NOP_EXPR. For OEP_ADDRESS_OF hash MEM_REF with 0 offset
10909 of ADDR_EXPR of decl as the decl itself. Add or remove
10910 OEP_ADDRESS_OF from recursive flags as needed. For
10911 FMA_EXPR, WIDEN_MULT_{PLUS,MINUS}_EXPR hash the first two
10912 operands commutatively and only the third one normally.
10913 For internal CALL_EXPR hash in CALL_EXPR_IFN.
10915 2016-04-27 Sebastian Huber <sebastian.huber@embedded-brains.de>
10917 * config/rtems.h (LIB_SPEC): Add -latomic.
10919 2016-04-27 Joel Sherrill <joel@rtems.org>
10921 * config/microblaze/rtems.h: Redefine LINK_SPEC to avoid
10922 xilink.ld and flags not relevant to RTEMS.
10924 2016-04-26 Zhouyi Zhou <yizhouzhou@ict.ac.cn>
10926 * toplev.c (backend_init_target): Avoid calling init_reload when using
10929 2016-04-26 Jakub Jelinek <jakub@redhat.com>
10931 * reorg.c (try_merge_delay_insns): Declare i and j inside the
10932 for loops rather than one for the whole function.
10934 2016-04-26 Marc Glisse <marc.glisse@inria.fr>
10936 * match.pd (X + CST CMP X): New transformation.
10938 2016-04-26 Marc Glisse <marc.glisse@inria.fr>
10940 * genmatch.c (write_predicate): Add ATTRIBUTE_UNUSED.
10941 * fold-const.c (fold_binary_loc): Remove 2 transformations
10942 superseded by match.pd.
10943 * match.pd (x+x -> x*2): Generalize to integers.
10945 2016-04-26 Bernd Schmidt <bschmidt@redhat.com>
10947 * config/i386/i386.md (operation on memory peephole): Duplicate an
10948 existing peephole and adapt it to match lea rather than an operation
10951 PR rtl-optimization/57193
10952 * opts.c (default_options_table): Add OPT_frename_registers at -O2
10954 * doc/invoke.texi (-frename-registers, -O2): Update documentation.
10956 2016-04-26 Bin Cheng <bin.cheng@arm.com>
10958 * tree-if-conv.c (any_pred_load_store): New static variable.
10959 (if_convertible_gimple_assign_stmt_p): Remove parameter. Use
10960 any_pred_load_store instead of and_mask_load_store.
10961 (if_convertible_stmt_p, if_convertible_loop_p_1): Ditto.
10962 (if_convertible_loop_p, insert_gimplified_predicates): Ditto.
10963 (combine_blocks, tree_if_conversion): Ditto.
10965 2016-04-26 Bin Cheng <bin.cheng@arm.com>
10967 PR tree-optimization/70771
10968 PR tree-optimization/70775
10969 * tree-if-conv.c (if_convertible_phi_p): Remove check on special
10970 virtual PHI nodes. Delete parameter.
10971 (if_convertible_loop_p_1): Delete argument to above function.
10972 (predicate_all_scalar_phis): Delete code handling single-argument
10974 (tree_if_conversion): Mark and update virtual SSA.
10976 2016-04-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
10979 * config/i386/i386.c (LARGECOMM_SECTION_ASM_OP): Define default.
10980 (x86_elf_aligned_common): Rename to ...
10981 (x86_elf_aligned_decl_common): ... this.
10982 Add decl arg. Switch to .lbss for largecomm object. Use
10983 LARGECOMM_SECTION_ASM_OP.
10984 * config/i386/i386-protos.h (x86_elf_aligned_common): Reflect
10986 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_COMMON): Rename to ...
10987 (ASM_OUTPUT_ALIGNED_DECL_COMMON): ... this.
10989 * config/i386/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
10990 [!USE_GAS] (LARGECOMM_SECTION_ASM_OP): Define.
10992 2016-04-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
10995 * config/i386/i386.c (SECTION_LARGE): Define.
10996 (x86_64_elf_select_section): Set it for large data/bss sections.
10997 Only clear SECTION_WRITE for .lrodata.
10998 (x86_64_elf_section_type_flags): Set SECTION_LARGE for large
11000 * config/i386/sol2.h (MACH_DEP_SECTION_ASM_FLAG): Define.
11001 * varasm.c (default_elf_asm_named_section): Grow flagchars.
11002 [MACH_DEP_SECTION_ASM_FLAG] Emit MACH_DEP_SECTION_ASM_FLAG for
11004 * doc/tm.texi.in (Sections, MACH_DEP_SECTION_ASM_FLAG): Describe.
11005 * doc/tm.texi: Regenerate.
11007 2016-04-26 Jakub Jelinek <jakub@redhat.com>
11010 * configure.ac (--enable-checking): Document extra flag, for
11011 non-release builds default to --enable-checking=yes,extra.
11012 If misc checking and extra checking, define CHECKING_P to 2 instead
11014 * common.opt (fchecking=): Add.
11015 * doc/invoke.texi (-fchecking=): Document.
11016 * doc/install.texi: Document --enable-checking changes.
11017 * configure: Regenerated.
11018 * config.in: Regenerated.
11020 2016-04-25 Uros Bizjak <ubizjak@gmail.com>
11022 * config/i386/i386.md (*movxi_internal_avx512f): Use insn type
11023 attribute instead of which_alternative.
11024 * config/i386/sse.md (*mov<mode>_internal): Ditto.
11025 Use EXT_REX_SSE_REG_P where appropriate.
11027 2016-04-25 Uros Bizjak <ubizjak@gmail.com>
11029 * config/i386/predicates.md (const0_operand): Do not match
11030 const_wide_int code.
11031 (const1_operand): Ditto.
11033 2016-04-25 Uros Bizjak <ubizjak@gmail.com>
11035 * config/i386/i386.md (*movoi_internal_avx): Set mode attribute to XI
11036 for SSE constm1 operands and TARGET_AVX512VL.
11037 (*movti_internal): Ditto.
11038 (*mov<mode>_or): Use constm1_operand predicate.
11039 * config/i386/sse.md (*mov<mode>_internal): Set mode attribute to XI
11040 for SSE vector_all_ones operands and TARGET_AVX512VL.
11041 * config/i386/predicates.md (constm1_operand): New predicate.
11042 * config/i386/i386.c (standard_sse_constant_opcode): Simplify
11043 emission of constant -1 load.
11045 2016-04-25 Jason Merrill <jason@redhat.com>
11047 * gdbinit.in: Skip is-a.h.
11049 * attribs.c (register_scoped_attributes): Fix logic.
11050 * attribs.h: Declare register_scoped_attributes.
11052 2016-04-25 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
11054 * config/rs6000/rs6000-builtin.def: Correct pasto error for
11055 stxvd2x and stxvw4x built-in functions.
11057 2016-04-25 DJ Delorie <dj@redhat.com>
11059 * config/msp430/msp430.md (ashlhi3): Optimize one bit shifts.
11060 (ashrhi3): Likewise.
11061 (lshrhi3): Likewise.
11063 2016-04-25 Richard Biener <rguenther@suse.de>
11065 PR tree-optimization/70780
11066 * tree-ssa-pre.c (compute_antic_aux): Also return true if the block
11067 wasn't visited yet.
11068 (compute_antic): Mark blocks with abnormal preds as visited as
11069 they have a final empty antic-in solution already.
11071 2016-04-25 Michael Collison <michael.collison@linaro.org>
11073 * ChangeLog(2016-04-25): Fix ChangeLog formatting.
11075 2016-04-25 Michael Collison <michael.collison@linaro.org>
11077 * config/arm/neon.md (widen_<us>sum<mode>): New patterns where
11078 mode is VQI to improve mixed mode vectorization.
11079 * config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3): New
11080 define_insn to match low half of signed vaddw.
11081 * config/arm/neon.md (vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): New
11082 define_insn to match high half of signed vaddw.
11083 * config/arm/neon.md (vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): New
11084 define_insn to match low half of unsigned vaddw.
11085 * config/arm/neon.md (vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): New
11086 define_insn to match high half of unsigned vaddw.
11087 * config/arm/arm.c (arm_simd_vect_par_cnst_half): New function.
11088 (arm_simd_check_vect_par_cnst_half_p): Likewise.
11089 * config/arm/arm-protos.h (arm_simd_vect_par_cnst_half): Prototype
11091 (arm_simd_check_vect_par_cnst_half_p): Likewise.
11092 * config/arm/predicates.md (vect_par_constant_high): Support
11093 big endian and simplify by calling
11094 arm_simd_check_vect_par_cnst_half
11095 (vect_par_constant_low): Likewise.
11097 2016-04-25 Uros Bizjak <ubizjak@gmail.com>
11099 * config/i386/i386.md (*lea<mode>_general_4): Use const_0_to_3_operand
11100 predicate for operand 2.
11102 2016-04-24 Uros Bizjak <ubizjak@gmail.com>
11103 H.J. Lu <hongjiu.lu@intel.com>
11105 * config/i386/i386-protos.h (standard_sse_constant_p): Add
11106 machine_mode argument.
11107 * config/i386/i386.c (standard_sse_constant_p): Return 2 for
11108 constm1_rtx operands. For VOIDmode constants, get mode from
11109 pred_mode. Check mode size if the mode is supported by ABI.
11110 (standard_sse_constant_opcode): Do not use standard_constant_p.
11111 Strictly check ABI support for all-ones operands.
11112 (ix86_legitimate_constant_p): Handle TImode, OImode and XImode
11113 immediates. Update calls to standard_sse_constant_p.
11114 (ix86_expand_vector_move): Update calls to standard_sse_constant_p.
11115 (ix86_rtx_costs): Ditto.
11116 * config/i386/i386.md (*movxi_internal_avx512f): Use
11117 nonimmediate_or_sse_const_operand instead of vector_move_operand.
11118 Use (v,BC) alternative instead of (v,C). Use register_operand
11119 checks instead of MEM_P.
11120 (*movoi_internal_avx): Use nonimmediate_or_sse_const_operand instead
11121 of vector_move_operand. Add (v,BC) alternative and corresponding avx2
11122 isa attribute. Use register_operand checks instead of MEM_P.
11123 (*movti_internal): Use nonimmediate_or_sse_const_operand for
11124 TARGET_SSE. Improve TARGET_SSE insn constraint. Add (v,BC)
11125 alternative and corresponding sse2 isa attribute.
11126 (*movtf_internal, *movdf_internal, *movsf_interal): Update calls
11127 to standard_sse_constant_p.
11128 (FP constant splitters): Ditto.
11129 * config/i386/constraints.md (BC): Do not use standard_sse_constant_p.
11131 * config/i386/predicates.md (constm1_operand): Remove.
11132 (nonimmediate_or_sse_const_operand): Rewrite using RTX.
11133 * config/i386/sse.md (*<avx512>_cvtmask2<ssemodesuffix><mode>): Use
11134 vector_all_ones_operand instead of constm1_operand.
11136 2016-04-24 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
11138 * print-rtl.c (print_rtx_insn_vec): New function.
11139 * print-rtl.h: New prototype.
11140 * store-motion.c (struct st_expr): Make avail_stores a vector.
11141 (st_expr_entry): Adjust.
11142 (free_st_expr_entry): Likewise.
11143 (print_store_motion_mems): Likewise.
11144 (find_moveable_store): Likewise.
11145 (compute_store_table): Likewise.
11146 (delete_store): Likewise.
11147 (build_store_vectors): Likewise.
11149 2016-04-24 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
11151 * reorg.c (try_merge_delay_insns): Make merged_insns a vector.
11153 2016-04-24 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
11155 * vec.h (vec_safe_contains): New function.
11156 (vec::contains): Likewise.
11157 (vec::begin): Likewise.
11158 (vec::end): Likewise.
11160 2016-04-23 Jakub Jelinek <jakub@redhat.com>
11163 * cfgexpand.c (expand_stack_vars): Fix typo.
11165 2016-04-22 Szabolcs Nagy <szabolcs.nagy@arm.com>
11167 * system.h (list, map, set, vector): Include conditionally.
11168 * auto-profile.c (INCLUDE_MAP, INCLUDE_SET): Define.
11169 * graphite-isl-ast-to-gimple.c (INCLUDE_MAP): Define.
11170 * ipa-icf.c (INCLUDE_LIST): Define.
11171 * config/aarch64/cortex-a57-fma-steering.c (INCLUDE_LIST): Define.
11172 * config/sh/sh.c (INCLUDE_VECTOR): Define.
11173 * config/sh/sh_treg_combine.cc (INCLUDE_ALGORITHM): Define.
11174 (INCLUDE_LIST, INCLUDE_VECTOR): Define.
11175 * cp/logic.cc (INCLUDE_LIST): Define.
11176 * fortran/trans-common.c (INCLUDE_MAP): Define.
11178 2016-04-22 Szabolcs Nagy <szabolcs.nagy@arm.com>
11180 * auto-profile.c: Remove <string.h> include.
11181 * ipa-icf-gimple.c: Remove <list> include.
11182 * diagnostic.c: Remove <new> include.
11183 * genmatch.c: Likewise.
11184 * pretty-print.c: Likewise.
11185 * toplev.c: Likewise
11186 * c/c-objc-common.c: Likewise.
11187 * cp/error.c: Likewise.
11188 * fortran/error.c: Likewise.
11190 2016-04-22 Richard Biener <rguenther@suse.de>
11192 * lto-streamer-in.c (input_ssa_names): Do not allocate
11193 GIMPLE_NOP for all SSA names.
11194 * lto-streamer-out.c (output_ssa_names): Do not output
11195 SSA names that should have been released.
11197 2016-04-22 Richard Biener <rguenther@suse.de>
11199 PR tree-optimization/70740
11200 * tree-ssa-phiprop.c (propagate_with_phi): Handle inserted
11203 2016-04-21 H.J. Lu <hongjiu.lu@intel.com>
11206 * config/i386/predicates.md (call_insn_operand): Replace
11207 sibcall_memory_operand with memory_operand.
11209 2016-04-21 Patrick Palka <ppalka@gcc.gnu.org>
11211 * tree-vrp.c (register_edge_assert_for_2): Remove redundant
11212 has_single_use() tests.
11213 (register_edge_assert_for_1): Likewise.
11214 (find_assert_locations_1): Check the liveness bitmap instead of
11215 checking has_single_use().
11217 2016-04-21 Kirill Yukhin <kirill.yukhin@intel.com>
11220 * config/i386/sse.md (define_insn "<shift_insn><mode>3<mask_name>"):
11221 Extract AVX-512BW constraint from AVX.
11223 2016-04-21 Richard Biener <rguenther@suse.de>
11225 PR tree-optimization/70725
11226 * tree-if-conv.c (if_convertible_phi_p): Adjust guard
11227 for phi_convertible_by_degenerating_args.
11228 (predicate_all_scalar_phis): Handle single-argument PHIs.
11230 2016-04-21 Richard Biener <rguenther@suse.de>
11232 PR middle-end/70747
11233 * fold-const.c (fold_comparison): Return properly typed
11236 2016-04-21 Bin Cheng <bin.cheng@arm.com>
11238 PR tree-optimization/70715
11239 * tree-ssa-loop-niter.c (loop_exits_before_overflow): Check equality
11240 after expanding BASE using expand_simple_operations.
11242 2016-04-21 Marc Glisse <marc.glisse@inria.fr>
11244 * match.pd (min(-x, -y), max(-x, -y), min(~x, ~y), max(~x, ~y)):
11245 New transformations.
11247 2016-04-21 Marc Glisse <marc.glisse@inria.fr>
11249 * match.pd (min(int_max, x), max(int_min, x)): New transformations.
11251 2016-04-20 Jan Hubicka <jh@suse.cz>
11253 * ipa-inline.c (can_inline_edge_p): Pass caller info to
11254 ultiimate_alias_target.
11255 (update_callee_keys): Likewise.
11256 (lookup_recursive_calls): Likewise.
11257 (speculation_useful_p): Likewise.
11259 2016-04-20 Jan Hubicka <jh@suse.cz>
11262 * cgraph.c (cgraph_set_nothrow_flag_1): Rename to ...
11263 (set_nothrow_flag_1): ... this; handle interposition correctly;
11264 recurse on aliases and thunks.
11265 (cgraph_node::set_nothrow_flag): New.
11266 * ipa-pure-const.c (ignore_edge_for_nothrow): Ignore calls to
11267 functions compiled with non-call exceptions that binds to current
11269 (propagate_nothrow): Be safe WRT interposition.
11270 * cgraph.h (set_nothrow_flag): Update prototype.
11272 2016-04-18 Jan Hubicka <jh@suse.cz>
11274 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
11275 max_loop_iterations_int.
11276 (tree_unswitch_outer_loop): Likewise.
11278 2016-04-20 Bin Cheng <bin.cheng@arm.com>
11280 PR tree-optimization/69489
11281 * tree-if-conv.c (phi_convertible_by_degenerating_args): New.
11282 (if_convertible_phi_p): Call phi_convertible_by_degenerating_args.
11283 Revise dump message.
11284 (if_convertible_bb_p): Remove check on edge count of basic block's
11287 2016-04-20 Bin Cheng <bin.cheng@arm.com>
11289 PR tree-optimization/56625
11290 PR tree-optimization/69489
11291 * tree-data-ref.h (DR_INNERMOST): New macro.
11292 * tree-if-conv.c (innermost_loop_behavior_hash): New class for
11293 hashing struct innermost_loop_behavior.
11294 (ref_DR_map): Remove.
11295 (innermost_DR_map): New map.
11296 (baseref_DR_map): Revise comment.
11297 (hash_memrefs_baserefs_and_store_DRs_read_written_info): Store DR
11298 to innermost_DR_map accroding to its innermost loop behavior.
11299 (ifcvt_memrefs_wont_trap): Get DR from innermost_DR_map according
11300 to its innermost loop behavior.
11301 (if_convertible_loop_p_1): Remove intialization for ref_DR_map.
11302 Add initialization for innermost_DR_map. Record memory reference
11303 in DR_BASE_ADDRESS if the reference is compound one or it doesn't
11304 have innermost loop behavior.
11305 (if_convertible_loop_p): Remove release for ref_DR_map. Release
11308 2016-04-20 Uros Bizjak <ubizjak@gmail.com>
11310 * config/i386/i386.md (*lea<mode>_general_1): Rename from
11311 *lea_general_1. Use explicit SWI12 mode interator.
11312 (*lea<mode>_general_2): Rename from *lea_general_2.
11313 Use explicit SWI12 mode interator.
11314 (*lea<mode>_general_3): Rename from *lea_general_3.
11315 Use explicit SWI12 mode interator.
11316 (*lea<SWI12:mode>_general_4): Split from *lea_general_4.
11317 Use explicit SWI12 mode interator.
11318 (*lea<SWI48:mode>_general_4): Split from *lea_general_4.
11319 Use explicit SWI48 mode interator.
11321 2016-04-20 H.J. Lu <hongjiu.lu@intel.com>
11323 * config/i386/i386.c (ix86_avx256_split_vector_move_misalign):
11324 Short-cut unaligned load and store cases. Handle all integer
11326 (ix86_expand_vector_move_misalign): Short-cut unaligned load
11327 and store cases. Call ix86_avx256_split_vector_move_misalign
11328 directly without checking mode class.
11330 2016-04-20 Andrew Pinski <apinski@cavium.com>
11331 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
11334 * config/aarch64/aarch64.md (sibcall): Force call
11335 address to be DImode for ILP32.
11336 (sibcall_value): Likewise.
11338 2016-04-20 H.J. Lu <hongjiu.lu@intel.com>
11340 * doc/invoke.texi: Replace -skip-rax-setup with -mskip-rax-setup.
11342 2016-04-20 Richard Biener <rguenther@suse.de>
11344 * gimple-match.h (maybe_build_generic_op): Adjust prototype.
11345 * gimple-match-head.c (maybe_build_generic_op): Pass all ops
11346 by reference, clear op1 and op2 when GENERICizing BIT_FIELD_REF.
11347 (maybe_push_res_to_seq): Adjust.
11348 * gimple-fold.c (maybe_build_generic_op): Likewise.
11350 2016-04-20 Marek Polacek <polacek@redhat.com>
11352 * tree-if-conv.c (is_false_predicate): For NULL_TREE return false
11355 2016-04-20 Ilya Enkovich <ilya.enkovich@intel.com>
11357 * config/i386/sse.md (vec_unpacks_lo_hi): Always
11358 use kmovw to support AVX512F target.
11360 2016-04-20 Bin Cheng <bin.cheng@arm.com>
11362 * tree-scalar-evolution.c (interpret_rhs_expr): Handle BIT_AND_EXPR.
11364 2016-04-20 Marek Polacek <polacek@redhat.com>
11366 PR tree-optimization/70725
11367 * tree-if-conv.c (is_false_predicate): New function.
11368 (predicate_mem_writes): Use it.
11370 2016-04-20 Richard Biener <rguenther@suse.de>
11372 PR tree-optimization/70726
11373 * tree-vect-stmts.c (vectorizable_shift): Do not use scalar
11374 shift amounts from a pattern stmt operand.
11376 2016-04-20 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
11379 * config/s390/s390.c (s390_restore_gprs_from_fprs): Pick the new
11380 stack_restore_from_fpr pattern when restoring r15.
11381 (s390_optimize_prologue): Strip away the memory barrier in the
11382 parallel when trying to get rid of restore insns.
11383 * config/s390/s390.md ("stack_restore_from_fpr"): New insn
11384 definition for loading the stack pointer from an FPR. Compared to
11385 the normal move insn this pattern includes a full memory barrier.
11387 2016-04-19 Jakub Jelinek <jakub@redhat.com>
11389 PR middle-end/70680
11390 * gimplify.c (gimplify_omp_for): Call omp_notice_variable for
11391 implicitly linear or lastprivate iterator on the outer context.
11393 2016-04-19 H.J. Lu <hongjiu.lu@intel.com>
11395 * config/i386/i386.c (ix86_legitimate_combined_insn): Remove
11397 * config/i386/i386.md (ssememalign): Removed.
11398 * config/i386/sse.md: Remove ssememalign attribute from patterns.
11400 2016-04-19 H.J. Lu <hongjiu.lu@intel.com>
11403 * config/i386/avx512bwintrin.h (_mm512_mask_loadu_epi16): Pass
11404 const short * to __builtin_ia32_loaddquhi512_mask.
11405 (_mm512_maskz_loadu_epi16): Likewise.
11406 (_mm512_mask_storeu_epi16): Pass short * to
11407 __builtin_ia32_storedquhi512_mask.
11408 (_mm512_mask_loadu_epi8): Pass const char * to
11409 __builtin_ia32_loaddquqi512_mask.
11410 (_mm512_maskz_loadu_epi8): Likewise.
11411 (_mm512_mask_storeu_epi8): Pass char * to
11412 __builtin_ia32_storedquqi512_mask.
11413 * config/i386/avx512fintrin.h (_mm512_loadu_pd): Pass
11414 const double * to __builtin_ia32_loadupd512_mask.
11415 (_mm512_mask_loadu_pd): Likewise.
11416 (_mm512_maskz_loadu_pd): Likewise.
11417 (_mm512_storeu_pd): Pass double * to
11418 __builtin_ia32_storeupd512_mask.
11419 (_mm512_mask_storeu_pd): Likewise.
11420 (_mm512_loadu_ps): Pass const float * to
11421 __builtin_ia32_loadups512_mask.
11422 (_mm512_mask_loadu_ps): Likewise.
11423 (_mm512_maskz_loadu_ps): Likewise.
11424 (_mm512_storeu_ps): Pass float * to
11425 __builtin_ia32_storeups512_mask.
11426 (_mm512_mask_storeu_ps): Likewise.
11427 (_mm512_mask_loadu_epi64): Pass const long long * to
11428 __builtin_ia32_loaddqudi512_mask.
11429 (_mm512_maskz_loadu_epi64): Likewise.
11430 (_mm512_mask_storeu_epi64): Pass long long *
11431 to __builtin_ia32_storedqudi512_mask.
11432 (_mm512_loadu_si512): Pass const int * to
11433 __builtin_ia32_loaddqusi512_mask.
11434 (_mm512_mask_loadu_epi32): Likewise.
11435 (_mm512_maskz_loadu_epi32): Likewise.
11436 (_mm512_storeu_si512): Pass int * to
11437 __builtin_ia32_storedqusi512_mask.
11438 (_mm512_mask_storeu_epi32): Likewise.
11439 * config/i386/avx512vlbwintrin.h (_mm256_mask_storeu_epi8): Pass
11440 char * to __builtin_ia32_storedquqi256_mask.
11441 (_mm_mask_storeu_epi8): Likewise.
11442 (_mm256_mask_loadu_epi16): Pass const short * to
11443 __builtin_ia32_loaddquhi256_mask.
11444 (_mm256_maskz_loadu_epi16): Likewise.
11445 (_mm_mask_loadu_epi16): Pass const short * to
11446 __builtin_ia32_loaddquhi128_mask.
11447 (_mm_maskz_loadu_epi16): Likewise.
11448 (_mm256_mask_loadu_epi8): Pass const char * to
11449 __builtin_ia32_loaddquqi256_mask.
11450 (_mm256_maskz_loadu_epi8): Likewise.
11451 (_mm_mask_loadu_epi8): Pass const char * to
11452 __builtin_ia32_loaddquqi128_mask.
11453 (_mm_maskz_loadu_epi8): Likewise.
11454 (_mm256_mask_storeu_epi16): Pass short * to.
11455 __builtin_ia32_storedquhi256_mask.
11456 (_mm_mask_storeu_epi16): Pass short * to.
11457 __builtin_ia32_storedquhi128_mask.
11458 * config/i386/avx512vlintrin.h (_mm256_mask_loadu_pd): Pass
11459 const double * to __builtin_ia32_loadupd256_mask.
11460 (_mm256_maskz_loadu_pd): Likewise.
11461 (_mm_mask_loadu_pd): Pass onst double * to
11462 __builtin_ia32_loadupd128_mask.
11463 (_mm_maskz_loadu_pd): Likewise.
11464 (_mm256_mask_storeu_pd): Pass double * to
11465 __builtin_ia32_storeupd256_mask.
11466 (_mm_mask_storeu_pd): Pass double * to
11467 __builtin_ia32_storeupd128_mask.
11468 (_mm256_mask_loadu_ps): Pass const float * to
11469 __builtin_ia32_loadups256_mask.
11470 (_mm256_maskz_loadu_ps): Likewise.
11471 (_mm_mask_loadu_ps): Pass const float * to
11472 __builtin_ia32_loadups128_mask.
11473 (_mm_maskz_loadu_ps): Likewise.
11474 (_mm256_mask_storeu_ps): Pass float * to
11475 __builtin_ia32_storeups256_mask.
11476 (_mm_mask_storeu_ps): ass float * to
11477 __builtin_ia32_storeups128_mask.
11478 (_mm256_mask_loadu_epi64): Pass const long long * to
11479 __builtin_ia32_loaddqudi256_mask.
11480 (_mm256_maskz_loadu_epi64): Likewise.
11481 (_mm_mask_loadu_epi64): Pass const long long * to
11482 __builtin_ia32_loaddqudi128_mask.
11483 (_mm_maskz_loadu_epi64): Likewise.
11484 (_mm256_mask_storeu_epi64): Pass long long * to
11485 __builtin_ia32_storedqudi256_mask.
11486 (_mm_mask_storeu_epi64): Pass long long * to
11487 __builtin_ia32_storedqudi128_mask.
11488 (_mm256_mask_loadu_epi32): Pass const int * to
11489 __builtin_ia32_loaddqusi256_mask.
11490 (_mm256_maskz_loadu_epi32): Likewise.
11491 (_mm_mask_loadu_epi32): Pass const int * to
11492 __builtin_ia32_loaddqusi128_mask.
11493 (_mm_maskz_loadu_epi32): Likewise.
11494 (_mm256_mask_storeu_epi32): Pass int * to
11495 __builtin_ia32_storedqusi256_mask.
11496 (_mm_mask_storeu_epi32): Pass int * to
11497 __builtin_ia32_storedqusi128_mask.
11498 * config/i386/i386-builtin-types.def (PCSHORT): New.
11499 (PINT64): Likewise.
11500 (V64QI_FTYPE_PCCHAR_V64QI_UDI): Likewise.
11501 (V32HI_FTYPE_PCSHORT_V32HI_USI): Likewise.
11502 (V32QI_FTYPE_PCCHAR_V32QI_USI): Likewise.
11503 (V16SF_FTYPE_PCFLOAT_V16SF_UHI): Likewise.
11504 (V8DF_FTYPE_PCDOUBLE_V8DF_UQI): Likewise.
11505 (V16SI_FTYPE_PCINT_V16SI_UHI): Likewise.
11506 (V16HI_FTYPE_PCSHORT_V16HI_UHI): Likewise.
11507 (V16QI_FTYPE_PCCHAR_V16QI_UHI): Likewise.
11508 (V8SF_FTYPE_PCFLOAT_V8SF_UQI): Likewise.
11509 (V8DI_FTYPE_PCINT64_V8DI_UQI): Likewise.
11510 (V8SI_FTYPE_PCINT_V8SI_UQI): Likewise.
11511 (V8HI_FTYPE_PCSHORT_V8HI_UQI): Likewise.
11512 (V4DF_FTYPE_PCDOUBLE_V4DF_UQI): Likewise.
11513 (V4SF_FTYPE_PCFLOAT_V4SF_UQI): Likewise.
11514 (V4DI_FTYPE_PCINT64_V4DI_UQI): Likewise.
11515 (V4SI_FTYPE_PCINT_V4SI_UQI): Likewise.
11516 (V2DF_FTYPE_PCDOUBLE_V2DF_UQI): Likewise.
11517 (V2DI_FTYPE_PCINT64_V2DI_UQI): Likewise.
11518 (VOID_FTYPE_PDOUBLE_V8DF_UQI): Likewise.
11519 (VOID_FTYPE_PDOUBLE_V4DF_UQI): Likewise.
11520 (VOID_FTYPE_PDOUBLE_V2DF_UQI): Likewise.
11521 (VOID_FTYPE_PFLOAT_V16SF_UHI): Likewise.
11522 (VOID_FTYPE_PFLOAT_V8SF_UQI): Likewise.
11523 (VOID_FTYPE_PFLOAT_V4SF_UQI): Likewise.
11524 (VOID_FTYPE_PINT64_V8DI_UQI): Likewise.
11525 (VOID_FTYPE_PINT64_V4DI_UQI): Likewise.
11526 (VOID_FTYPE_PINT64_V2DI_UQI): Likewise.
11527 (VOID_FTYPE_PINT_V16SI_UHI): Likewise.
11528 (VOID_FTYPE_PINT_V8SI_UHI): Likewise.
11529 (VOID_FTYPE_PINT_V4SI_UHI): Likewise.
11530 (VOID_FTYPE_PSHORT_V32HI_USI): Likewise.
11531 (VOID_FTYPE_PSHORT_V16HI_UHI): Likewise.
11532 (VOID_FTYPE_PSHORT_V8HI_UQI): Likewise.
11533 (VOID_FTYPE_PCHAR_V64QI_UDI): Likewise.
11534 (VOID_FTYPE_PCHAR_V32QI_USI): Likewise.
11535 (VOID_FTYPE_PCHAR_V16QI_UHI): Likewise.
11536 (V64QI_FTYPE_PCV64QI_V64QI_UDI): Removed.
11537 (V32HI_FTYPE_PCV32HI_V32HI_USI): Likewise.
11538 (V32QI_FTYPE_PCV32QI_V32QI_USI): Likewise.
11539 (V16HI_FTYPE_PCV16HI_V16HI_UHI): Likewise.
11540 (V16QI_FTYPE_PCV16QI_V16QI_UHI): Likewise.
11541 (V8HI_FTYPE_PCV8HI_V8HI_UQI): Likewise.
11542 (VOID_FTYPE_PV32HI_V32HI_USI): Likewise.
11543 (VOID_FTYPE_PV16HI_V16HI_UHI): Likewise.
11544 (VOID_FTYPE_PV8HI_V8HI_UQI): Likewise.
11545 (VOID_FTYPE_PV64QI_V64QI_UDI): Likewise.
11546 (VOID_FTYPE_PV32QI_V32QI_USI): Likewise.
11547 (VOID_FTYPE_PV16QI_V16QI_UHI): Likewise.
11548 * config/i386/i386.c (ix86_emit_save_reg_using_mov): Don't
11550 (ix86_emit_restore_sse_regs_using_mov): Don't use UNSPEC_LOADU.
11551 (ix86_avx256_split_vector_move_misalign): Don't use unaligned
11553 (ix86_expand_vector_move_misalign): Likewise.
11554 (bdesc_special_args): Use CODE_FOR_movvNXY_internal and pointer
11555 to scalar function prototype for unaligned load/store builtins.
11556 (ix86_expand_special_args_builtin): Updated.
11557 * config/i386/sse.md (UNSPEC_LOADU): Removed.
11558 (UNSPEC_STOREU): Likewise.
11559 (VI_ULOADSTORE_BW_AVX512VL): Likewise.
11560 (VI_ULOADSTORE_F_AVX512VL): Likewise.
11561 (ssescalarsize): Handle V4TI, V2TI and V1TI.
11562 (<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
11563 (*<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
11564 (<sse>_storeu<ssemodesuffix><avxsizesuffix>): Likewise.
11565 (<avx512>_storeu<ssemodesuffix><avxsizesuffix>_mask): Likewise.
11566 (<sse2_avx_avx512f>_loaddqu<mode><mask_name>): Likewise.
11567 (*<sse2_avx_avx512f>_loaddqu<mode><mask_name>"): Likewise.
11568 (sse2_avx_avx512f>_storedqu<mode>): Likewise.
11569 (<avx512>_storedqu<mode>_mask): Likewise.
11570 (*sse4_2_pcmpestr_unaligned): Likewise.
11571 (*sse4_2_pcmpistr_unaligned): Likewise.
11572 (*mov<mode>_internal): Renamed to ...
11573 (mov<mode>_internal): This. Remove check of AVX and IAMCU on
11574 misaligned operand. Replace vmovdqu64 with vmovdqu<ssescalarsize>.
11575 (movsd/movhpd to movupd peephole): Don't use UNSPEC_LOADU.
11576 (movlpd/movhpd to movupd peephole): Don't use UNSPEC_STOREU.
11578 2016-04-19 Richard Biener <rguenther@suse.de>
11580 PR tree-optimization/70171
11581 * tree-ssa-phiprop.c: Include stor-layout.h.
11582 (phiprop_insert_phi): Handle the aggregate copy case.
11583 (propagate_with_phi): Likewise.
11585 2016-04-19 Uros Bizjak <ubizjak@gmail.com>
11587 * config/i386/i386.c (ix86_decompose_address): Use lowpart_subreg
11588 instead of simplify_gen_subreg (... , 0).
11589 (ix86_delegitimize_address): Ditto.
11590 (ix86_split_divmod): Ditto.
11591 (ix86_split_copysign_const): Ditto.
11592 (ix86_split_copysign_var): Ditto.
11593 (ix86_expand_args_builtin): Ditto.
11594 (ix86_expand_round_builtin): Ditto.
11595 (ix86_expand_special_args_builtin): Ditto.
11596 * config/i386/i386.md (TARGET_USE_VECTOR_FP_CONVERTS splitters): Ditto.
11597 (TARGET_SSE_PARTIAL_REG_DEPENDENCY splitters and peephole2s): Ditto.
11598 (udivmodqi4): Ditto.
11599 (absneg splitters): Ditto.
11600 (*jcc_bt<mode>_1): Ditto.
11602 2016-04-19 Richard Biener <rguenther@suse.de>
11604 PR tree-optimization/70724
11605 * tree-ssa-sccvn.c (scc_vn_restore_ssa_info): Split SSA info
11606 restoring out from ...
11607 (free_scc_vn): ... here.
11608 * tree-ssa-sccvn.h (scc_vn_restore_ssa_info): Declare.
11609 * tres-ssa-pre.c (pass_pre::execute): Restore SSA info before
11611 (pass_fre::execute): Restore SSA info.
11613 2016-04-19 Richard Biener <rguenther@suse.de>
11615 * gimple-walk.h (struct walk_stmt_info): Add stmt member.
11616 * gimple-walk.c (walk_gimple_op): Initialize it.
11617 (walk_gimple_asm): Set wi->is_lhs before each callback invocation.
11618 * tree-inline.c (remap_gimple_op_r): Set SSA_NAME_DEF_STMT when
11619 remapping SSA names of defs.
11620 (copy_bb): Remove walk over all SSA defs and SSA_NAME_DEF_STMT
11623 2016-04-18 Vladimir Makarov <vmakarov@redhat.com>
11625 PR middle-end/70689
11626 * lra-constraints.c (equiv_substition_p): New.
11627 (process_alt_operands): Use it.
11628 (swap_operands): Swap it.
11629 (curr_insn_transform): Update it.
11631 2016-04-18 Michael Matz <matz@suse.de>
11633 * tree.h (TYPE_ALIGN, DECL_ALIGN): Return shifted amount.
11634 (SET_TYPE_ALIGN, SET_DECL_ALIGN): New.
11635 * tree-core.h (tree_type_common.align): Use bit-field.
11636 (tree_type_common.spare): New.
11637 (tree_decl_common.off_align): Make smaller.
11638 (tree_decl_common.align): Use bit-field.
11640 * expr.c (expand_expr_addr_expr_1): Use SET_TYPE_ALIGN.
11641 * omp-low.c (install_var_field): Use SET_DECL_ALIGN.
11642 (scan_sharing_clauses): Ditto.
11643 (finish_taskreg_scan): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
11644 (omp_finish_file): Ditto.
11645 * stor-layout.c (do_type_align): Use SET_DECL_ALIGN.
11646 (layout_decl): Ditto.
11647 (relayout_decl): Ditto.
11648 (finalize_record_size): Use SET_TYPE_ALIGN.
11649 (finalize_type_size): Ditto.
11650 (finish_builtin_struct): Ditto.
11651 (layout_type): Ditto.
11652 (initialize_sizetypes): Ditto.
11653 * targhooks.c (std_gimplify_va_arg_expr): Use SET_TYPE_ALIGN.
11654 * tree-nested.c (insert_field_into_struct): Use SET_TYPE_ALIGN.
11655 (lookup_field_for_decl): Use SET_DECL_ALIGN.
11656 (get_chain_field): Ditto.
11657 (get_trampoline_type): Ditto.
11658 (get_nl_goto_field): Ditto.
11659 * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
11661 (unpack_ts_type_common_value_fields): Use SET_TYPE_ALIGN.
11662 * gimple-expr.c (copy_var_decl): Use SET_DECL_ALIGN.
11663 * tree.c (make_node_stat): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
11664 (build_qualified_type): Use SET_TYPE_ALIGN.
11665 (build_aligned_type, build_range_type_1): Ditto.
11666 (build_atomic_base): Ditto.
11667 (build_common_tree_nodes): Ditto.
11668 * cfgexpand.c (align_local_variable): Use SET_DECL_ALIGN.
11669 (expand_one_stack_var_at): Ditto.
11670 * coverage.c (build_var): Use SET_DECL_ALIGN.
11671 * except.c (init_eh): Ditto.
11672 * function.c (assign_parm_setup_block): Ditto.
11673 * symtab.c (increase_alignment_1): Ditto.
11674 * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Ditto.
11675 * tree-vect-stmts.c (ensure_base_align): Ditto.
11676 * varasm.c (align_variable): Ditto.
11677 (assemble_variable): Ditto.
11678 (build_constant_desc): Ditto.
11679 (output_constant_def_contents): Ditto.
11681 * config/arm/arm.c (arm_relayout_function): Use SET_DECL_ALIGN.
11682 * config/avr/avr.c (avr_adjust_type_node): Use SET_TYPE_ALIGN.
11683 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): Ditto.
11684 * config/msp430/msp430.c (msp430_gimplify_va_arg_expr): Ditto.
11685 * config/spu/spu.c (spu_build_builtin_va_list): Use SET_DECL_ALIGN.
11687 2016-04-18 H.J. Lu <hongjiu.lu@intel.com>
11690 * config/i386/sse.md (sse2_loadlpd): Accept load from "xm" and
11691 replace %vmovsd with "%vmovq".
11692 (vec_concatv2df): Likewise.
11694 2016-04-18 Uros Bizjak <ubizjak@gmail.com>
11696 * config/i386/mmx.md (*vec_extractv2sf_0): Use gen_lowpart.
11697 (*vec_extractv2si_0): Ditto.
11698 * config/i386/sse.md (*vec_extractv4sf_0): Ditto.
11699 (zero_extended_scalar_load_operand splitters): Ditto.
11700 (vec_extract splitters): Ditto.
11701 (*vec_extractv4si_0_zext): Ditto.
11702 (avx_<castmode><avxsizesuffix>_<castmode>): Use gen_lowpart
11703 and lowpart_subreg.
11704 (avx512f_<castmode><avxsizesuffix>_<castmode>): Ditto.
11705 (avx512f_<castmode><avxsizesuffix>_256<castmode>): Ditto.
11706 (*sse4_1_extractps): Use lowpart_subreg.
11707 * config/i386/i386.md (x87 floatsplitter): Use gen_lowpart.
11709 2016-04-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
11711 * doc/install.texi (Specific, i?86-*-solaris2.10): Update gas and
11713 (Specific, *-*-solaris2*): Update Solaris 11 bundled gcc versions.
11714 Mention Solaris 11 packaging changes.
11715 Update gas and gld requirements.
11716 Remove reference to pre-Solaris 10 bug.
11717 (Specific, sparc-sun-solaris2*): Remove reference to pre-Solaris 10
11719 (Specific, sparc64-*-solaris2*): Remove reference to bootstrap
11722 2016-04-17 Jan Hubicka <jh@suse.cz>
11724 * tree-ssa-loop-ivopts.c (avg_loop_niter): Use also
11725 max_loop_iterations_int.
11727 2016-04-18 Richard Biener <rguenther@suse.de>
11729 PR tree-optimization/43434
11730 * tree-ssa-structalias.c (struct vls_data): New.
11731 (visit_loadstore): Handle all pointer-based accesses.
11732 (compute_dependence_clique): Compute a bitmap of restrict tags
11733 assigned bases and pass it to visit_loadstore.
11735 2016-04-18 Matthew Wahab <matthew.wahab@arm.com>
11738 * config/arm/bpabi.h (BE8_LINK_SPEC): Add entries for armv8+crc,
11739 armv8.1-a and armv8.1-a+crc.
11741 2016-04-18 Richard Biener <rguenther@suse.de>
11743 PR tree-optimization/70701
11744 * tree-ssa-sccvn.c (vn_reference_lookup_3): Resolve fully constant
11745 references after translating through a memcpy.
11747 2016-04-18 Richard Biener <rguenther@suse.de>
11749 * tree-ssa-pre.c (postorder, postorder_num): Make locals ...
11750 (compute_antic): ... here. For partial antic use regular
11751 postorder and scrap iteration.
11752 (compute_partial_antic_aux): Remove unused return value.
11753 (init_pre): Do not allocate postorder.
11754 (fini_pre): Do not free postorder.
11756 2016-04-18 Richard Biener <rguenther@suse.de>
11758 PR middle-end/37870
11759 * expmed.c (extract_bit_field_1): Remove broken case
11760 using a wider MODE_INT mode.
11762 2016-04-18 Segher Boessenkool <segher@kernel.crashing.org>
11764 * has-brig.c (lendian16): Don't try to use __builtin_bswap16
11765 unless compiling with at least GCC-4.8.
11767 2016-04-17 Jan Hubicka <jh@suse.cz>
11770 * graphite.c (graphite_finalize): Update call to
11771 tree_estimate_probability.
11772 * predict.h (tree_estimate_probability): Update prototype.
11774 2016-04-17 Jan Hubicka <jh@suse.cz>
11776 * predict.c (combine_predictions_for_bb): Add dry_run parmaeter.
11777 (tree_estimate_probability): Likewise.
11778 (pass_profile::execute): Update.
11779 (report_predictor_hitrates): New function.
11780 * profile.c (compute_branch_probabilities): Use it.
11781 * predict.h (report_predictor_hitrates): Declare.
11783 2016-04-17 Jan Hubicka <jh@suse.cz>
11786 * cgraph.h (cgraph_node::set_const_flag,
11787 cgraph_node::set_pure_flag): Update prototype to return bool;
11789 * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases): Thunks
11790 of interposable symbol are interposable, too.
11791 (cgraph_set_const_flag_1): Rename to ...
11792 (set_const_flag_1): ... this one; change to self recursive function
11793 instead of call_for_symbol_thunks_and_aliases. Handle correctly
11794 clearnig the flag in all variants and also virtual thunks of const
11795 functions are pure; track if any change was done.
11796 (cgraph_node::set_const_flag): Update.
11797 (struct set_pure_flag_info): New struct.
11798 (cgraph_set_pure_flag_1): Rename to ...
11799 (set_pure_flag_1): ... this one; take set_pure_flag_info parameter
11800 rather than pointer encoded flags; track if any changes was done;
11801 handle correctly clearning flag and setting flag of aliases already
11803 (cgraph_node::set_pure_flag): Update.
11804 (cgraph_node::set_nothrow_flag): Handle correctly clearning the flag.
11806 2016-04-17 Tom de Vries <tom@codesourcery.com>
11809 * pretty-print.c (pp_write_text_as_dot_label_to_stream): Escape
11810 backslash in label.
11812 2016-04-17 Tom de Vries <tom@codesourcery.com>
11814 * pretty-print.c (pp_write_text_as_dot_label_to_stream): Classify chars
11815 '{}<> ' as escape-for-record.
11817 2016-04-17 Tom de Vries <tom@codesourcery.com>
11819 * pretty-print.c (pp_write_text_as_dot_label_to_stream): Simplify loop
11822 2016-04-17 Tom de Vries <tom@codesourcery.com>
11825 * tree-pass.h (class opt_pass): Remove graph_dump_initialized member.
11826 * dumpfile.h (struct dump_file_info): Add graph_dump_initialized field.
11827 * dumpfile.c (dump_files): Initialize graph_dump_initialized field.
11828 * passes.c (finish_optimization_passes): Only call
11829 finish_graph_dump_file if dfi->graph_dump_initialized.
11830 (execute_function_dump, pass_init_dump_file): Use
11831 dfi->graph_dump_initialized instead of pass->graph_dump_initialized.
11833 2016-04-17 Tom de Vries <tom@codesourcery.com>
11835 PR tree-optimization/70256
11836 * tree-ssa-structalias.c (dump_varinfo, debug_varinfo, dump_varmap)
11837 (debug_varmap): New function.
11839 2016-04-17 Tom de Vries <tom@codesourcery.com>
11842 * passes.c (pass_manager::register_pass): Propagate pflags.
11844 2016-04-17 Tom de Vries <tom@codesourcery.com>
11847 * pass_manager.h (TERMINATE_PASS_LIST): Add pass argument.
11848 * passes.c (pass_manager::pass_manager): Declare and init p_start in
11849 INSERT_PASSES_AFTER. Add pass parameter to TERMINATE_PASS_LIST, and
11850 check if it's equal to p_start.
11851 * passes.def: Add arguments to TERMINATE_PASS_LISTs.
11853 2016-04-15 Jan Hubicka <jh@suse.cz>
11856 * cgraph.c (cgraph_set_const_flag_1): Only set as pure if
11857 function does not bind to current def.
11858 * ipa-pure-const.c (worse_state): Add FROM and TO parameters;
11859 handle conservatively calls to functions that does not need to bind
11861 (check_call): Update call of worse_state.
11862 (ignore_edge_for_nothrow): Update.
11863 (ignore_edge_for_pure_const): Likewise.
11864 (propagate_pure_const): Update calls to worse_state.
11865 (skip_function_for_local_pure_const): Reformat comments.
11867 2016-04-15 Jan Hubicka <jh@suse.cz>
11870 * cgraph.c (cgraph_node::get_availability): Add REF parameter.
11871 (cgraph_node::function_symbol): Likewise.
11872 (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
11873 * cgraph.h (symtab_node::get_availabbility): Add REF parameter.
11874 (symtab_node::ultimate_alias_target): Add REF parameter.
11875 (symtab_node::binds_to_current_def_p): Declare.
11876 (symtab_node;:ultimate_alias_target_1): Add REF parameter.
11877 (cgraph_node::function_symbol): Likewise.
11878 (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
11879 (cgraph_node::get_availability): Likewise.
11880 (cgraph_edge::binds_to_current_def_p): New inline function.
11881 (varpool_node::get_availability): Add REF parameter.
11882 (varpool_node::ultimate_alias_target): Likewise.
11883 * symtab.c (symtab_node::ultimate_alias_target_1): Likewise.
11884 (symtab_node::binds_to_current_def_p): Likewise.
11885 * varpool.c (varpool_node::get_availability): Likewise.
11887 2016-04-15 Kirill Yukhin <kirill.yukhin@intel.com>
11890 * config/i386/sse.md(define_insn "<avx512>_vec_dup<mode><mask_name>"):
11891 Fix mode size check.
11893 2016-04-15 Jakub Jelinek <jakub@redhat.com>
11895 * BASE-VER: Set to 7.0.0.
11897 2016-04-15 Alexander Monakov <amonakov@ispras.ru>
11899 * config/nvptx/nvptx.opt (moptimize): Add a period at end of help text.
11901 2016-04-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
11903 * doc/invoke.texi (ARM Options): Add note on deprecation of pre-ARMv4T
11904 architecture revisions.
11906 2016-04-15 Bernd Schmidt <bschmidt@redhat.com>
11908 * config/i386/i386-protos.h (ix86_using_red_zone): Declare.
11909 * config/i386/i386.c (ix86_using_red_zone): No longer static.
11910 * config/i386/i386.md (stack decrement to push peepholes): Guard
11911 with !x86_using_red_zone ().
11913 2016-04-15 Jakub Jelinek <jakub@redhat.com>
11916 * tree-pretty-print.c (do_niy): Add FLAGS argument, pass it down
11917 to dump_generic_node.
11918 (NIY): Pass also flags to do_niy.
11920 2016-04-15 Thomas Schwinge <thomas@codesourcery.com>
11922 * omp-low.c (simd_clone_struct_alloc, simd_clone_struct_copy)
11923 (simd_clone_vector_of_formal_parm_types)
11924 (simd_clone_clauses_extract, simd_clone_compute_base_data_type)
11925 (simd_clone_mangle, simd_clone_create)
11926 (simd_clone_adjust_return_type, create_tmp_simd_array)
11927 (simd_clone_adjust_argument_types, simd_clone_init_simd_arrays)
11928 (struct modify_stmt_info, ipa_simd_modify_stmt_ops)
11929 (ipa_simd_modify_function_body, simd_clone_linear_addend)
11930 (simd_clone_adjust, expand_simd_clones, ipa_omp_simd_clone)
11931 (pass_data_omp_simd_clone, class pass_omp_simd_clone)
11932 (pass_omp_simd_clone::gate, make_pass_omp_simd_clone): Move into...
11933 * omp-simd-clone.c: ... this new file.
11934 (simd_clone_vector_of_formal_parm_types): Make it static.
11935 * Makefile.in (OBJS): Add omp-simd-clone.o.
11937 2016-04-15 Kirill Yukhin <kirill.yukhin@intel.com>
11940 * config/i386/sse.md: Use proper memory operand modifiers.
11943 2016-04-15 Richard Biener <rguenther@suse.de>
11944 Alan Modra <amodra@gmail.com>
11946 PR tree-optimization/70130
11947 * tree-vect-data-refs.c (vect_supportable_dr_alignment): Detect
11948 when alignment stays not the same and no not use the realign
11951 2016-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
11954 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
11955 direct move handlers for KFmode. Change TFmode handlers test from
11956 FLOAT128_IEEE_P to FLOAT128_VECTOR_P.
11958 2016-04-14 Jakub Jelinek <jakub@redhat.com>
11961 * ipa-utils.h (polymorphic_ctor_dtor_p): New prototype.
11962 * ipa-polymorphic-call.c (polymorphic_ctor_dtor_p): New function.
11963 (inlined_polymorphic_ctor_dtor_block_p): Use it.
11964 * tree-ssa-live.c (remove_unused_scope_block_p): When
11965 in_ctor_dtor_block, avoid discarding not just BLOCKs with
11966 BLOCK_ABSTRACT_ORIGIN being FUNCTION_DECL, but even when
11967 block_ultimate_origin is FUNCTION_DECL.
11968 (remove_unused_locals): If current_function_decl is
11969 polymorphic_ctor_dtor_p, pass initial true to
11970 remove_unused_scope_block_p' is_ctor_dtor_block.
11972 2016-04-14 Martin Sebor <msebor@redhat.com>
11977 * doc/extend.texi (Variable Length): Revert.
11979 2016-04-14 Marek Polacek <polacek@redhat.com>
11980 Jan Hubicka <hubicka@ucw.cz>
11983 * tree.c (verify_type): Disable the canonical type of main variant
11986 2016-04-14 Jason Merrill <jason@redhat.com>
11988 * cfgexpand.c, expr.c: Revert previous change.
11990 2016-04-14 Cesar Philippidis <cesar@codesourcery.com>
11992 PR middle-end/70643
11993 * omp-low.c (lower_oacc_reductions): Check for TREE_CONSTANT
11994 when building a mem ref for the incoming reduction variable.
11996 2016-04-14 Richard Biener <rguenther@suse.de>
11998 PR tree-optimization/70614
11999 * tree-scalar-evolution.c (analyze_evolution_in_loop): Terminate
12000 loop if the evolution dropped to chrec_dont_know.
12001 (interpret_condition_phi): Likewise.
12003 2016-04-14 Richard Biener <rguenther@suse.de>
12005 PR tree-optimization/70623
12006 * tree-ssa-pre.c (changed_blocks): Make global ...
12007 (compute_antic): ... local here. Move and fix worklist
12008 handling here. Do not clear EDGE_DFS_BACK or call mark_dfs_back_edges.
12009 (compute_antic_aux): Add dumping for MAX assumed succs. Remove
12010 worklist handling, dump when ANTIC_IN changed.
12011 (compute_partial_antic_aux): Remove worklist handling.
12012 (init_pre): Do not compute post dominators. Add a comment about
12013 the CFG order chosen.
12014 (fini_pre): Do not free post dominators.
12016 2016-04-13 Martin Sebor <msebor@redhat.com>
12021 * doc/extend.texi (Variable Length): Document C++ specifics.
12023 2016-04-13 Jakub Jelinek <jakub@redhat.com>
12026 * ipa-pure-const.c (pass_nothrow::execute): Call maybe_clean_eh_stmt
12027 on all recursive call stmts. Return TODO_cleanup_cfg if any dead
12028 eh edges have been purged.
12031 * tree-sra.c (create_access_replacement,
12032 get_replaced_param_substitute): Set DECL_NAMELESS on repl if it
12034 * tree-pretty-print.c (dump_fancy_name): New function.
12035 (dump_decl_name, dump_generic_node): Use it.
12037 2016-04-13 Jason Merrill <jason@redhat.com>
12039 * cfgexpand.c (pass_expand::execute): Handle attribute "abi warning".
12040 * expr.c (expand_expr_real_1): Likewise.
12042 2016-04-13 Ilya Enkovich <ilya.enkovich@intel.com>
12044 * config/i386/i386.md (kunpckhi): Swap operands.
12045 (kunpcksi): Likewise.
12046 (kunpckdi): Likewise.
12047 * config/i386/sse.md (vec_pack_trunc_qi): Likewise.
12048 (vec_pack_trunc_<mode>): Likewise.
12050 2016-04-13 Jakub Jelinek <jakub@redhat.com>
12053 * explow.c (convert_memory_address_addr_space_1): Formatting fix.
12055 PR middle-end/70633
12056 * gimplify.c (gimplify_init_constructor): Clear TREE_STATIC if
12057 gimplification turns some element into non-constant.
12060 * rtl.h (convert_memory_address_addr_space_1): New prototype.
12061 * explow.c (convert_memory_address_addr_space_1): No longer static,
12062 add NO_EMIT argument and don't call convert_modes if true, pass
12063 it down recursively, remove break after return.
12064 (convert_memory_address_addr_space): Adjust caller.
12065 * simplify-rtx.c (simplify_unary_operation_1): Call
12066 convert_memory_address_addr_space_1 instead of convert_memory_address,
12067 if it returns NULL, don't simplify.
12069 2016-04-12 Eric Botcazou <ebotcazou@adacore.com>
12072 * config/sparc/sparc.c (sparc_compute_frame_size): Add parentheses.
12074 2016-04-12 Jakub Jelinek <jakub@redhat.com>
12076 * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
12077 Bump the upper SIMDLEN limits, so that if the return type or
12078 characteristic type if the return type is void can be passed in
12079 all available SSE2/AVX/AVX2/AVX512-F registers, the SIMDLEN is
12082 2016-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
12085 * config/rs6000/rs6000.md (ieee_128bit_vsx_neg<mode>2_internal):
12086 Do not use "=" constraint on an input constraint.
12087 (ieee_128bit_vsx_abs<mode>2_internal): Likewise.
12088 (ieee_128bit_vsx_nabs<mode>2_internal): Likewise.
12089 (ieee_128bit_vsx_nabs<mode>2): Correct splitter so that it
12090 generates (neg (abs ...)) instead of (abs ...).
12092 2016-04-12 Jakub Jelinek <jakub@redhat.com>
12094 PR rtl-optimization/70596
12095 * lra-spills.c (spill_pseudos): Don't delete debug insns, instead
12096 just invalidate LRA data and reset them. Adjust dump wording.
12098 2016-04-12 Martin Liska <mliska@suse.cz>
12101 2016-03-30 Jan Hubicka <hubicka@ucw.cz>
12103 * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
12105 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
12106 max_loop_iterations_int.
12107 (tree_unswitch_outer_loop): Likewise.
12108 * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
12109 * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
12111 2016-04-12 Tom de Vries <tom@codesourcery.com>
12113 PR tree-optimization/68756
12114 * graphite-isl-ast-to-gimple.c (copy_cond_phi_args): Use new_expr
12115 instead of new_name.
12117 2016-04-12 Jakub Jelinek <jakub@redhat.com>
12119 PR tree-optimization/70602
12120 * tree-sra.c (generate_subtree_copies): Don't write anything into
12121 constant pool decls.
12123 * omp-low.c (lower_omp_target): Use GOMP_MAP_FIRSTPRIVATE_INT
12124 regardless whether there are depend clauses or not.
12126 2016-04-11 Michael Meissner <meissner@linux.vnet.ibm.com>
12129 * config/rs6000/rs6000.c (rs6000_opt_masks): Disable using the
12130 target attribute and pragma from changing the -mfloat128
12131 and -mfloat128-hardware options.
12133 * doc/extend.texi (Additional Floating Types): Document PowerPC
12134 __float128 restrictions.
12136 2016-04-11 James Greenhalgh <james.greenhalgh@arm.com>
12139 * config/aarch64/driver-aarch64.c
12140 (aarch64_get_extension_string_for_isa_flags): New.
12141 (arch_extension): Rename to...
12142 (aarch64_arch_extension): ...This.
12143 (ext_to_feat_string): Rename to...
12144 (aarch64_extensions): ...This.
12145 (aarch64_core_data): Keep track of architecture extension flags.
12146 (cpu_data): Rename to...
12147 (aarch64_cpu_data): ...This.
12148 (aarch64_arch_driver_info): Keep track of architecture extension
12150 (get_arch_name_from_id): Rename to...
12151 (get_arch_from_id): ...This, change return type.
12152 (host_detect_local_cpu): Update and reformat for renames, handle
12153 extensions through common infrastructure.
12155 2016-04-11 James Greenhalgh <james.greenhalgh@arm.com>
12158 * config/aarch64/aarch64-common.c (aarch64_option_extension): Keep
12159 track of a canonical flag name.
12160 (all_extensions): Likewise.
12161 (arch_to_arch_name): Also track extension flags enabled by the arch.
12162 (all_architectures): Likewise.
12163 (aarch64_parse_extension): Move to here.
12164 (aarch64_get_extension_string_for_isa_flags): Take a new argument,
12166 (aarch64_rewrite_selected_cpu): Update for above change.
12167 * config/aarch64/aarch64-option-extensions.def: Rework the way flags
12168 are handled, such that the single explicit value enabled by an
12169 extension is kept seperate from the implicit values it also enables.
12170 * config/aarch64/aarch64-protos.h (aarch64_parse_opt_result): Move
12172 (aarch64_parse_extension): New.
12173 * config/aarch64/aarch64.c (aarch64_parse_opt_result): Move from
12174 here to config/aarch64/aarch64-protos.h.
12175 (aarch64_parse_extension): Move from here to
12176 common/config/aarch64/aarch64-common.c.
12177 (aarch64_option_print): Update.
12178 (aarch64_declare_function_name): Likewise.
12179 (aarch64_start_file): Likewise.
12180 * config/aarch64/driver-aarch64.c (arch_extension): Keep track of
12181 the canonical flag for extensions.
12182 * config.gcc (aarch64*-*-*): Extend regex for capturing extension
12185 2016-04-11 James Greenhalgh <james.greenhalgh@arm.com>
12187 * config/aarch64/aarch64.h (AARCH64_FL_FOR_ARCH8_1): Also add
12190 2016-04-09 Tom de Vries <tom@codesourcery.com>
12192 PR tree-optimization/68953
12193 * graphite-sese-to-poly.c (pdr_add_memory_accesses): Order accesses from
12194 first to last subscript.
12196 2016-04-09 Jakub Jelinek <jakub@redhat.com>
12198 PR tree-optimization/70586
12199 * tree-ssa-ifcombine.c (bb_no_side_effects_p): Return false
12202 2016-04-08 Cesar Philippidis <cesar@codesourcery.com>
12206 PR tree-optimization/70373
12207 PR middle-end/70533
12208 PR middle-end/70534
12209 PR middle-end/70535
12210 * gimplify.c (gimplify_adjust_omp_clauses): Add or adjust data
12211 clauses for acc parallel reductions as necessary. Error on those
12213 * omp-low.c (scan_sharing_clauses): Don't install variables which
12214 are used in acc parallel reductions.
12215 (lower_rec_input_clauses): Remove dead code.
12216 (lower_oacc_reductions): Add support for reference reductions.
12217 (lower_reduction_clauses): Remove dead code.
12218 (lower_omp_target): Don't remap variables appearing in acc parallel
12220 * tree.h (OMP_CLAUSE_MAP_IN_REDUCTION): New macro.
12222 2016-04-08 Jakub Jelinek <jakub@redhat.com>
12224 PR middle-end/70593
12225 * tree-ssa-coalesce.c (build_ssa_conflict_graph): For stmt
12226 with multiple SSA_NAME defs, force the outputs other than first
12227 to be live before calling live_track_process_def on each output.
12229 PR rtl-optimization/70574
12230 * fwprop.c (forward_propagate_and_simplify): Don't add
12231 REG_EQUAL note if DF_REF_REG (use) is a paradoxical subreg.
12232 (try_fwprop_subst): Don't add REG_EQUAL note if there are any
12233 paradoxical subregs within *loc.
12235 2016-04-08 Thomas Schwinge <thomas@codesourcery.com>
12237 * config/arc/arc.h (LINK_COMMAND_SPEC): Use gt to ignore
12238 -ftree-parallelize-loops={0,1}.
12239 * config/darwin.h (LINK_COMMAND_SPEC_A): Likewise.
12240 * config/i386/mingw32.h (GOMP_SELF_SPECS): Likewise.
12241 * config/ia64/hpux.h (LIB_SPEC): Likewise.
12242 * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
12243 * config/pa/pa64-hpux.h (LIB_SPEC): Likewise.
12245 2016-04-08 Maxim Ostapenko <m.ostapenko@samsung.com>
12248 * asan.c (instrument_derefs): If we get unknown location, extract it
12249 with EXPR_LOCATION.
12250 (maybe_instrument_call): Instrument gimple_call's arguments if needed.
12252 2016-04-08 Tom de Vries <tom@codesourcery.com>
12254 * omp-low.c (lower_omp_target): Set TREE_NO_WARNING for oacc
12255 implicit firstprivate clause.
12257 2016-04-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
12260 * config/arm/thumb2.md (tst + branch-> lsls + branch
12261 peephole below *orsi_not_shiftsi_si): Require that condition
12262 register is dead after the peephole.
12263 (second peephole after the above): Likewise.
12265 2016-04-08 Alan Modra <amodra@gmail.com>
12268 * builtins.c (fold_builtin_classify): For IBM extended precision,
12269 look at just the high-order double to test for NaN.
12270 (fold_builtin_interclass_mathfn): Similarly for Inf. For isnormal
12271 test just the high double for Inf but both doubles for subnormal
12274 2016-04-07 Jakub Jelinek <jakub@redhat.com>
12276 * cgraph.h (struct cgraph_simd_clone): Add mask_mode field.
12277 * omp-low.c (simd_clone_init_simd_arrays, simd_clone_adjust): Handle
12278 node->simdclone->mask_mode != VOIDmode masks.
12279 (simd_clone_adjust_argument_types): Likewise. Move sc var definition
12280 earlier, use it instead of node->simdclone.
12281 * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
12282 Set clonei->mask_mode.
12284 2016-04-06 Patrick Palka <ppalka@gcc.gnu.org>
12287 * parser.c (cp_parser_iteration_statement): New parameter IF_P.
12288 Pass it through to cp_parser_already_scoped_statement.
12289 (cp_parser_already_scoped_statement): New parameter IF_P. Pass
12290 it through to cp_parser_statement.
12291 (cp_parser_statement): Pass IF_P through to
12292 cp_parser_iteration_statement.
12293 (cp_parser_pragma): Adjust call to
12294 cp_parser_iteration_statement.
12296 2016-04-06 Patrick Palka <ppalka@gcc.gnu.org>
12299 * gimplify.c (gimplify_omp_ordered): Add explicit braces to
12300 resolve a future -Wparentheses warning.
12301 * omp-low.c (scan_sharing_clauses): Likewise.
12302 * tree-parloops.c (eliminate_local_variables): Likewise.
12304 2016-04-06 Vladimir Makarov <vmakarov@redhat.com>
12306 PR rtl-optimization/70398
12307 * lra-constraints.c (process_address_1): Check zero scale and code
12308 for reloading with zero scale.
12310 2016-04-06 Uros Bizjak <ubizjak@gmail.com>
12312 * config/i386/sse.md (shuffletype): Add V32HI and V4TI modes.
12313 (ssescalarsize): Add V8SF, V4SF, V4DF and V2DF modes.
12315 2016-04-06 Jakub Jelinek <jakub@redhat.com>
12317 * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
12318 Add support for AVX512F clones, include them by default for
12319 exported OpenMP declare simd functions. For AVX2 allow simdlen 32
12320 and use it if charasteric type is 8-bit, for AVX512F allow simdlen
12323 PR middle-end/70550
12324 * tree.h (OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT): Define.
12325 * gimplify.c (gimplify_adjust_omp_clauses_1): Set it for implicit
12326 firstprivate clauses.
12327 * omp-low.c (lower_send_clauses): Set TREE_NO_WARNING for
12328 OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT !by_ref vars in task contexts.
12329 (lower_omp_target): Set TREE_NO_WARNING for
12330 non-addressable possibly uninitialized vars which are copied into
12331 addressable temporaries or copied for GOMP_MAP_FIRSTPRIVATE_INT.
12333 2016-04-05 John David Anglin <danglin@gcc.gnu.org>
12335 * config/pa/predicates.md (integer_store_memory_operand): Accept
12336 REG+D operands with a large offset when reload_in_progress is true.
12337 (floating_point_store_memory_operand): Likewise.
12339 2016-04-05 Jakub Jelinek <jakub@redhat.com>
12342 * match.pd (nested int casts): Limit to GIMPLE.
12344 2016-04-05 Jan Hubicka <hubicka@ucw.cz>
12347 * ipa-devirt.c (maybe_record_node): Fix comment; use
12348 SANITIZE_UNREACHABLE instead of SANITIZE_UNDEFINED.
12350 2016-04-05 Jakub Jelinek <jakub@redhat.com>
12352 PR rtl-optimization/70542
12353 * ree.c (add_removable_extension): For VECTOR_MODE_P punt
12354 if there are any uses other than insn or debug insns.
12356 2016-04-05 Marc Glisse <marc.glisse@inria.fr>
12357 Jakub Jelinek <jakub@redhat.com>
12359 PR tree-optimization/70509
12360 * simplify-rtx.c (simplify_binary_operation_1) <case VEC_SELECT>:
12361 Shift HOST_WIDE_INT_1U instead of 1.
12363 2016-04-05 Zdenek Sojka <zsojka@seznam.cz>
12365 PR tree-optimization/70509
12366 * tree-ssa-forwprop.c (simplify_bitfield_ref): Use bitsize_int instead
12367 of the vector base type for index.
12369 2016-04-05 Uros Bizjak <ubizjak@gmail.com>
12372 * config/i386/sse.md (iptr): Add V64QI, V32HI, V16SI and V8DI modes.
12374 2016-04-05 Richard Biener <rguenther@suse.de>
12376 PR tree-optimization/70526
12377 * tree-sra.c (build_ref_for_offset): Use prev_base to
12378 extract the alias pointer type.
12380 2016-04-05 Richard Biener <rguenther@suse.de>
12382 * dse.c (struct store_info): Remove alias_set member.
12383 (struct read_info_type): Likewise.
12384 (clear_alias_group, clear_alias_mode_table, clear_alias_mode_holder,
12385 spill_deleted, clear_alias_set_lookup): Remove.
12386 (get_group_info): Remove dead base == NULL_RTX case.
12387 (dse_step0): Remove initialization of removed variables.
12388 (delete_dead_store_insn): Reomve alias set dumping.
12389 (free_read_records): Remove alias_set handling.
12390 (canon_address): Remove alias_set_out parameter.
12391 (record_store): Remove spill_alias_set, it's always zero.
12392 (check_mem_read_rtx): Likewise.
12393 (dse_step2): Rename from ...
12394 (dse_step2_nospill): ... this. Adjust.
12395 (scan_stores): Rename from ...
12396 (scan_stores_nospill): ... this.
12397 (scan_reads): Rename from ...
12398 (scan_reads_nospill): ... this.
12399 (scan_stores_spill, scan_reads_spill): Remove.
12400 (dse_step3_scan): Remove for_spills argument which is always false.
12401 (dse_step3): Likewise.
12402 (dse_step5): Rename from ...
12403 (dse_step5_nospill): ... this. Remove alias_set handling.
12404 (rest_of_handle_dse): Adjust.
12406 2016-04-05 Jakub Jelinek <jakub@redhat.com>
12409 * config/i386/sse.md (*andnot<mode>3): Simplify assertions.
12410 Use vpandn<ssemodesuffix> for V16SI/V8DImode, vpandnq for
12411 V32HI/V64QImode, don't use <mask_operand3_1>, fix up formatting.
12412 (*andnot<mode>3_mask): Remove insn with VI12_AVX512VL iterator.
12414 2016-04-05 Richard Biener <rguenther@suse.de>
12416 PR middle-end/70499
12417 * gimplify-me.c (gimple_regimplify_operands): Do not rewrite
12418 non-register type temporaries into SSA.
12420 2016-04-04 Jan Hubicka <hubicka@ucw.cz>
12423 * ipa-devirt.c (maybe_record_node): Do not optimize cxa_pure_virtual
12424 calls when sanitizing.
12425 (possible_polymorphic_call_target_p): Fix formatting.
12427 2016-04-04 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
12428 Jakub Jelinek <jakub@redhat.com>
12430 PR middle-end/70457
12431 * tree-inline.c (estimate_num_insn): Use gimple_call_builtin_p
12432 to ensure a call statement is compatible with a built-in's
12434 * tree-ssa-math-opts.c (pass_optimize_windening_mul::execute):
12437 2016-04-04 Richard Biener <rguenther@suse.de>
12439 PR rtl-optimization/70484
12440 * rtl.h (canon_output_dependence): Declare.
12441 * alias.c (canon_output_dependence): New function.
12442 * dse.c (record_store): Use canon_output_dependence rather
12443 than canon_true_dependence.
12445 2016-03-30 Jan Hubicka <hubicka@ucw.cz>
12448 * cgraph.h (symtab_node::copy_visibility_from): New function.
12449 * symtab.c (symtab_node::copy_visibility_from): New function.
12450 * ipa-visibility.c (optimize_weakref): New function.
12451 (function_and_variable_visibility): Use it.
12453 2016-04-04 Martin Liska <mliska@suse.cz>
12456 * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Guard index
12457 value that is really in range handled by SBR instruction.
12458 * hsa-brig.c (emit_switch_insn): Do not emit unconditional jump.
12459 * hsa-dump.c (dump_hsa_insn_1): Do not dump default BB.
12460 * hsa.h (hsa_insn_sbr::m_default_bb): Remove field.
12462 2016-04-03 Oleg Endo <olegendo@gcc.gnu.org>
12466 * config/sh/sh.md (*addsi3): Allow pattern when reload_in_progress is
12467 set, but not for SP_REG operands.
12469 2016-04-02 Martin Sebor <msebor@redhat.com>
12472 * fold-const.c (maybe_nonzero_address): New function.
12473 (fold_comparison): Call it. Fold equality and relational
12474 expressions involving null pointers.
12475 (tree_single_nonzero_warnv_p): Call maybe_nonzero_address.
12477 2016-03-31 Evandro Menezes <e.menezes@samsung.com>
12479 Fix the predicate "aarch64_simd_reg_or_zero" to correctly validate
12480 the "Y" constraint (scalar FP 0.0 immediate).
12482 * config/aarch64/predicates.md (aarch64_simd_reg_or_zero):
12483 Add the "const_double" to the list of operand constraints.
12485 2016-04-01 Jakub Jelinek <jakub@redhat.com>
12487 PR rtl-optimization/70467
12488 * config/i386/i386.md (*add<dwi>3_doubleword, *sub<dwi>3_doubleword):
12489 If low word of the last operand is 0, just emit addition/subtraction
12492 2016-04-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
12495 * config/s390/s390.c (s390_expand_insv): Check for everything
12496 constant instead of just VOIDmode stuff.
12498 2016-04-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
12501 * config/arm/arm.h (ASM_APP_OFF): Handle TARGET_ARM and TARGET_THUMB.
12503 2016-04-01 Nathan Sidwell <nathan@acm.org>
12505 * tree.def (TRY_CATCH_EXPR): Correct documentation.
12507 2016-03-31 Vladimir Makarov <vmakarov@redhat.com>
12509 PR rtl-optimization/70461
12510 * ira-color.c (allocno_copy_cost_saving): Use allocno class if it
12513 2016-03-31 Martin Liska <mliska@suse.cz>
12516 * hsa-brig.c (hsa_op_immed::emit_to_buffer): Emit either
12517 a tree value or an immediate integer value to a buffer
12518 that is eventually copied to a BRIG section.
12519 (emit_immediate_operand): Call the function here.
12520 * hsa-dump.c (dump_hsa_immed): Remove checking assert.
12521 * hsa-gen.c (hsa_op_immed::hsa_op_immed): Remove initialization
12522 of class' fields that are removed.
12523 (hsa_op_immed::~hsa_op_immed): Remove deinitialization.
12524 * hsa.h (class hsa_op_immed): Remove m_brig_repr and
12525 m_brig_repr_size fields.
12527 2016-03-31 Martin Liska <mliska@suse.cz>
12530 * hsa-gen.c (hsa_function_representation::update_dominance): New
12532 (convert_addr_to_flat_segment): Likewise.
12533 (gen_hsa_memory_set): New alignment argument.
12534 (gen_hsa_ctor_assignment): Likewise.
12535 (gen_hsa_insns_for_single_assignment): Provide alignment
12536 to gen_hsa_ctor_assignment.
12537 (gen_hsa_insns_for_direct_call): Add new argument.
12538 (expand_lhs_of_string_op): New function.
12539 (expand_string_operation_builtin): Likewise.
12540 (expand_memory_copy): New function.
12541 (expand_memory_set): New function.
12542 (gen_hsa_insns_for_call): Use HOST_WIDE_INT.
12543 (convert_switch_statements): Change signature.
12544 (generate_hsa): Use a return value of the function.
12545 (pass_gen_hsail::execute): Do not call
12546 convert_switch_statements here.
12547 * hsa-regalloc.c (hsa_regalloc): Call update_dominance.
12548 * hsa.h (hsa_function_representation::m_modified_cfg): New flag.
12549 (hsa_function_representation::update_dominance): New function.
12551 2016-03-31 Martin Liska <mliska@suse.cz>
12554 * hsa-brig.c (emit_directive_variable): Emit alignment
12555 according to hsa_symbol::m_align.
12556 * hsa-dump.c (hsa_byte_alignment): Move the function to another file.
12557 (dump_hsa_symbol): Dump alignment of HSA symbols.
12558 * hsa-gen.c (get_symbol_for_decl): Set-up alignment of a symbol.
12559 (gen_hsa_addr_with_align): New function.
12560 (hsa_bitmemref_alignment): Use newly added function.
12561 (gen_hsa_insns_for_load): Likewise.
12562 (gen_hsa_insns_for_store): Likewise.
12563 (gen_hsa_memory_copy): New argument added.
12564 (gen_hsa_insns_for_single_assignment): Respect
12565 alignment for assignments processed via gen_hsa_memory_copy.
12566 (gen_hsa_insns_for_direct_call): Likewise.
12567 (gen_hsa_insns_for_return): Likewise.
12568 (gen_function_def_parameters): Set default alignment.
12569 * hsa.c (hsa_object_alignment): New function.
12570 (hsa_byte_alignment): Pasted function.
12571 * hsa.h (hsa_symbol::m_align): New field.
12573 2016-03-31 Bin Cheng <bin.cheng@arm.com>
12575 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Initialize
12576 scratch field for goto case.
12578 2016-03-31 James Greenhalgh <james.greenhalgh@arm.com>
12580 * config/arm/linux-elf.h (ASM_OUTPUT_DEF): Delete.
12582 2016-03-31 Ilya Enkovich <enkovich.gnu@gmail.com>
12585 * config/i386/i386.c (scalar_chain::convert_op): Fix description.
12586 (scalar_chain::convert_insn): Call convert_op for reg
12587 moves to handle undefined registers.
12589 2016-03-31 Nathan Sidwell <nathan@acm.org>
12592 * varasm.c (output_constructor_regular_field): Flush bitfield earlier.
12593 Assert we don't want to move backwards.
12595 2016-03-31 Kirill Yukhin <kirill.yukhin@intel.com>
12598 * config/i386/sse.md (define_mode_attr shuffletype): Fix typo.
12600 2016-03-31 Jakub Jelinek <jakub@redhat.com>
12602 PR rtl-optimization/70460
12603 * ira.c (indirect_jump_optimize): Don't substitute LABEL_REF
12604 with operand from REG_LABEL_OPERAND, instead substitute
12605 SET_SRC or REG_EQUAL note content if it is a LABEL_REF.
12606 Don't do anything for REG_NON_LOCAL_GOTO jumps.
12608 2016-03-31 Martin Liska <mliska@suse.cz>
12610 * passes.c (execute_one_pass): Do not call
12611 todo_after for a discarded function.
12613 2016-03-31 Bin Cheng <bin.cheng@arm.com>
12615 * tree-ssa-loop-ivopts.c (struct comp_cost): New scrach field.
12616 (no_cost, infinite_cost): Initialize the new field.
12617 (get_computation_cost_at): Record setup cost.
12618 (determine_use_iv_cost_address): Skip cost computation for sub
12619 uses if we can estimate it without losing accuracy.
12621 2016-03-30 Jan Hubicka <hubicka@ucw.cz>
12623 * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
12625 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
12626 max_loop_iterations_int.
12627 (tree_unswitch_outer_loop): Likewise.
12628 * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
12629 * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
12631 2016-03-30 Richard Biener <rguenther@suse.de>
12633 PR middle-end/70450
12634 * fold-const.c (extract_muldiv_1): Fix thinko in wide_int::from usage.
12636 2016-03-30 Jakub Jelinek <jakub@redhat.com>
12639 * config/i386/i386.c (ix86_expand_vector_set): Fix up argument order
12640 in gen_blendm expander.
12642 2016-03-30 Nick Clifton <nickc@redhat.com>
12645 * config/arm/arm.c (arm_reload_out_hi): Add code to handle the
12646 case where we are already provided with an SImode SUBREG.
12648 2016-03-30 H.J. Lu <hongjiu.lu@intel.com>
12651 * config/i386/i386.c (ix86_expand_epilogue): Properly check
12652 conflict between DRAP register and __builtin_eh_return.
12654 2016-03-30 Michael Matz <matz@suse.de>
12655 Richard Biener <rguenther@suse.de>
12658 * ipa-polymorphic-call.c (struct type_change_info): Change
12659 speculative to an unsigned allowing to limit the work we do.
12660 (csftc_abort_walking_p): New inline function..
12661 (check_stmt_for_type_change): Limit the number of may-defs
12662 skipped for speculative devirtualization to
12663 max-speculative-devirt-maydefs.
12664 * params.def (max-speculative-devirt-maydefs): New param.
12665 * doc/invoke.texi (--param max-speculative-devirt-maydefs): Document.
12667 2016-03-30 Mike Stump <mrs@gcc.gnu.org>
12670 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Use when profiling
12673 2016-03-30 Patrick Palka <ppalka@gcc.gnu.org>
12675 PR tree-optimization/59124
12676 * tree-vrp.c (register_edge_assert_for_2): For NAME != CST1
12677 where NAME = A +- CST2 add the assertion A != (CST1 -+ CST2).
12679 2016-03-29 Jeff Law <law@redhat.com>
12681 * tree-ssa-coalesce.c (struct ssa_conflicts): Fix typo in comment.
12683 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
12685 * tree-ssa-loop-ivcanon.c (try_peel_loop): Change type of peel
12688 2016-03-29 Thomas Schwinge <thomas@codesourcery.com>
12690 * config/gnu.h (CPP_SPEC, LIB_SPEC): Don't override.
12691 * config/i386/gnu.h (STARTFILE_SPEC): Use gcrt1.o instead of
12692 gcrt0.o if linking dynamically.
12694 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
12697 * ipa-devirt.c (methods_equal_p): New function.
12698 (compare_virtual_tables): Use it.
12699 * cgraph.h (symbol_table::symbol_suffix_separator): Declare.
12700 * cgraphclones.c (clone_function_name_1): Use
12701 symbol_table::symbol_suffix_separator.
12702 * coverage.c (build_var): Likewise.
12703 * symtab.c (symbol_table::symbol_suffix_separator): New.
12705 2016-03-29 Jakub Jelinek <jakub@redhat.com>
12707 PR rtl-optimization/70429
12708 * combine.c (simplify_shift_const_1): For ASHIFTRT don't optimize
12709 (cst1 >> count) >> cst2 into (cst1 >> cst2) >> count if
12710 mode != result_mode.
12713 * tree-inline.c (remap_decls): Don't add_local_decl if cfun is null.
12715 PR tree-optimization/70405
12716 * ssa-iterators.h (num_imm_uses): Add missing braces.
12718 2016-03-29 Vladimir Makarov <vmakarov@redhat.com>
12720 PR rtl-optimization/68695
12721 * ira-color.c (allocno_copy_cost_saving): New.
12722 (improve_allocation): Use it.
12724 2016-03-29 Richard Henderson <rth@redhat.com>
12726 PR middle-end/70355
12727 * lower-subreg.c (simplify_subreg_concatn): Reject paradoxical subregs.
12729 2016-03-29 Richard Biener <rguenther@suse.de>
12731 PR middle-end/70424
12732 * ipa-prop.c (ipa_compute_jump_functions_for_edge): Always
12733 use alignment returned by get_pointer_alignment_1 if it is
12734 bigger than BITS_PER_UNIT.
12735 * builtins.c (get_pointer_alignment_1): Do not return true
12736 for alignment extracted from SSA info.
12738 2016-03-28 James Bowman <james.bowman@ftdichip.com>
12740 * config/ft32/ft32.opt (mnodiv): New.
12741 * config/ft32/ft32.md (*divsi3, *modsi3): Qualify with TARGET_NODIV.
12742 * doc/invoke.texi (FT32 Options -mnodiv): New.
12744 2016-03-28 Kirill Yukhin <kirill.yukhin@intel.com>
12747 * config/i386/i386.md (define_split, andn): Fix modes.
12749 2016-03-26 Richard Biener <rguenther@suse.de>
12750 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
12753 * ipa-inline-transform.c (inline_call): Pass opts_for_fn (to->decl)
12755 TREE_OPTIMIZATION (DECL_FUNCTION_SPECIFIC_OPTIMIZATION (to->decl))
12756 as 2nd argument to cl_optimization_restore().
12758 2016-03-25 Richard Henderson <rth@redhat.com>
12761 * config/aarch64/aarch64.c (aarch64_asm_output_pool_epilogue): New.
12762 * config/aarch64/aarch64-protos.h: Declare it.
12763 * config/aarch64/aarch64.h (ASM_OUTPUT_POOL_EPILOGUE): New.
12765 2016-03-25 Alan Modra <amodra@gmail.com>
12768 * config/rs6000/constraints.md (j): Simplify.
12769 * config/rs6000/predicates.md (easy_fp_constant): Exclude
12771 * config/rs6000/rs6000.md (zero_fp): New mode_attr.
12772 (mov<mode>_hardfloat, mov<mode>_hardfloat32, mov<mode>_hardfloat64,
12773 mov<mode>_64bit_dm, mov<mode>_32bit): Use zero_fp in place of j
12774 in all constraint alternatives.
12775 (movtd_64bit_nodm): Delete "j" constraint alternative.
12777 2016-03-24 Aldy Hernandez <aldyh@redhat.com>
12779 * tree-ssa-propagate.c: Enhance docs for
12780 SSA_PROP_NOT_INTERESTING.
12782 2016-03-24 Aldy Hernandez <aldyh@redhat.com>
12784 * doc/extend.texi: Fix typo in documentation to pure attribute.
12786 2016-03-24 John David Anglin <danglin@gcc.gnu.org>
12789 * config/pa/pa.md (bswapdi2): Use a scratch register.
12791 2016-03-24 Richard Henderson <rth@redhat.com>
12793 PR middle-end/69845
12794 * fold-const.c (extract_muldiv_1): Correct test for multiplication
12797 2016-03-24 Uros Bizjak <ubizjak@gmail.com>
12799 * config/i386/i386.md (*anddi3_doubleword): Generate AND insn
12800 using ix86_expand_binary_operator instead of gen_andsi3.
12802 2016-03-24 Richard Biener <rguenther@suse.de>
12804 PR tree-optimization/70396
12805 * tree-vect-stmts.c (vectorizable_comparison): Use
12806 get_vectype_for_scalar_type.
12808 2016-03-24 Richard Biener <rguenther@suse.de>
12810 PR middle-end/70370
12811 * gimplify.c (gimplify_asm_expr): Handle !allows_mem outputs
12812 with register bases.
12814 2016-03-24 Richard Biener <rguenther@suse.de>
12816 PR tree-optimization/70372
12817 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Use
12818 build_all_ones_cst to also handle vector types correctly.
12820 2016-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
12823 * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Do not set
12826 2016-03-23 Marek Polacek <polacek@redhat.com>
12829 * doc/invoke.texi: Document -Wignored-attributes.
12831 2016-03-23 Bin Cheng <bin.cheng@arm.com>
12833 PR tree-optimization/69042
12834 * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND): Increase the
12835 parameter from 30 to 40.
12837 2016-03-23 Bin Cheng <bin.cheng@arm.com>
12839 PR tree-optimization/69042
12840 * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Add IV cand
12841 for use with constant offset stripped in base.
12843 2016-03-23 Richard Biener <rguenther@suse.de>
12845 PR middle-end/70251
12846 * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Adjust
12847 mode compatibility check.
12848 (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
12850 2016-03-23 Jeff Law <law@redhat.com>
12852 PR tree-optimization/64058
12853 * tree-ssa-coalesce.c (struct coalesce_pair): Add new field
12855 (struct ssa_conflicts): Move up earlier in the file.
12856 (conflicts_, var_map_): New static variables.
12857 (initialize_conflict_count): New function to initialize the
12858 CONFLICT_COUNT field for each conflict pair.
12859 (compare_pairs): Lazily initialize the conflict count and use it
12860 as the first tie-breaker.
12861 (sort_coalesce_list): Add new arguments conflicts, map. Initialize
12862 and wipe conflicts_ and map_ around the call to qsort. Remove
12863 special case for 2 coalesce pairs.
12864 * bitmap.c (bitmap_count_unique_bits): New function.
12865 (bitmap_count_bits_in_word): New function, extracted from
12867 (bitmap_count_bits): Use bitmap_count_bits_in_word.
12868 * bitmap.h (bitmap_count_unique_bits): Declare it.
12870 2016-03-23 Ilya Enkovich <enkovich.gnu@gmail.com>
12873 * config/i386/sol2.h (ASM_OUTPUT_DEF_FROM_DECLS): Follow
12874 transparent alias chain for decl assembler name.
12875 * config/sol2.c (solaris_assemble_visibility): Likewise.
12877 2016-03-23 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
12879 * config/arm/arm1020e.md (1020call_op): Reduce reservation
12881 (v10_fdivs): Likewise.
12882 (v10_fdivd): Likewise.
12884 2016-03-23 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
12887 * config/arm/driver-arm.c (host_detect_local_cpu): Reorder exit logic
12888 to not call fclose twice on file.
12890 2016-03-23 Jakub Jelinek <jakub@redhat.com>
12892 PR tree-optimization/70354
12893 * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
12894 oprnd0 is wider than oprnd1 and there is a cast from the wider
12895 type to oprnd1, mask it with the mask of the narrower type.
12898 * config/i386/i386.md (*anddi3_doubleword, *<code>di3_doubleword):
12899 Optimize TARGET_STV splitters, if high or low word of last argument
12902 2016-03-22 Jeff Law <law@redhat.com>
12905 tree-ssa-threadbackward.c
12906 (fsm_find_control_statement_thread_paths): Correctly distinguish
12907 between old style jump threads vs FSM jump threads.
12909 2016-03-22 Ilya Enkovich <enkovich.gnu@gmail.com>
12912 * config/i386/i386.c (scalar_chain::convert_op): Support
12913 uninitialized register usage case.
12915 2016-03-22 Richard Biener <rguenther@suse.de>
12917 PR middle-end/70251
12918 * genmatch.c (gen_transform): Adjust last parameter to a three-state
12920 (capture::gen_transform): ... to change behavior when substituting
12921 a condition into cond or not-cond expr context.
12922 (dt_simplify::gen_1): Adjust.
12923 * gimple-match-head.c: Include gimplify.h for unshare_expr.
12924 * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Revert
12925 last change and instead change to
12926 A + (B vcmp C ? 1 : 0) -> A - (B vcmp C ? -1 : 0).
12927 (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
12929 2016-03-22 Anthony Green <green@moxielogic.com>
12931 * config/moxie/moxiebox.h (CC1_SPEC): Define. Fix endianness
12932 issue for moxiebox targets.
12933 (CC1PLUS_SPEC): Ditto.
12935 2016-03-22 Richard Biener <rguenther@suse.de>
12937 PR middle-end/70333
12938 * fold-const.c (extract_muldiv_1): Properly perform multiplication
12941 2016-03-22 Kirill Yukhin <kirill.yukhin@intel.com>
12943 * config/i386/i386.c (def_builtin): Remove duplicated functionality.
12945 2016-03-22 Kirill Yukhin <kirill.yukhin@intel.com>
12948 * config/i386/i386.c (def_builtin): Handle
12949 OPTION_MASK_ISA_AVX512VL to be and-ed with other
12951 (const struct builtin_description bdesc_special_args[]):
12952 Remove duplicate ISA bits.
12954 2016-03-22 Jakub Jelinek <jakub@redhat.com>
12957 * config/i386/i386.c (ix86_expand_vecop_qihi): Don't bother computing
12958 d.perm[i] for i >= d.nelt. If not full_interleave, compute d.perm[i]
12959 in a way that works also for AVX512BW.
12962 * config/i386/i386.md (cvtsd2ss splitter): Unpack in destination
12963 instead of source if operands[1] is xmm16 and above and
12964 !TARGET_AVX512VL. Use avx512f_vec_dupv16sf_1 instead of
12965 vec_interleave_lowv4sf if we need to unpack xmm16 and above.
12968 * gimplify.c (gimplify_modify_expr): Call gimple_set_no_warning
12969 on assign if (*from_p) is a comparison, set it to
12970 TREE_NO_WARNING (*from_p).
12972 2016-03-21 Jakub Jelinek <jakub@redhat.com>
12974 PR middle-end/70326
12975 * lra.c (restore_scratches): Ignore deleted insns.
12977 2016-03-21 Marc Glisse <marc.glisse@inria.fr>
12978 Jakub Jelinek <jakub@redhat.com>
12980 PR tree-optimization/70317
12981 * match.pd (cmp @0 @0): Pass @0 instead of TYPE_MODE (TREE_TYPE (@0))
12984 2016-03-21 Uros Bizjak <ubizjak@gmail.com>
12987 * config/i386/i386.md (movxi): Use ix86_expand_vector_move instead
12988 of ix86_expand_move.
12990 (movti): Use general_operand for operand 1 predicate.
12992 2016-03-21 Martin Liska <mliska@suse.cz>
12994 * hsa-dump.c (dump_hsa_insn_1): dump default branch of SBR
12996 (dump_hsa_symbol): Dump BRIG offset of hsa_symbols.
12998 2016-03-21 Martin Liska <mliska@suse.cz>
13001 * ipa-icf.c (sem_function::parse): Skip static
13002 constructors and destructors.
13004 2016-03-21 Jakub Jelinek <jakub@redhat.com>
13007 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If IDENT is
13008 function-like macro, peek following token(s) if it is followed
13009 by CPP_OPEN_PAREN token with optional padding in between, and
13010 if not, don't treat it like a macro.
13012 2016-03-21 Thomas Schwinge <thomas@codesourcery.com>
13013 Alexander Monakov <amonakov@ispras.ru>
13015 * config/nvptx/nvptx.c (nvptx_option_override): Don't emit sorry
13016 for the stabs debug format.
13018 2016-03-21 Richard Biener <rguenther@suse.de>
13020 PR tree-optimization/70310
13021 * tree-vect-generic.c (expand_vector_condition): Fold the built
13024 2016-03-21 Kirill Yukhin <kirill.yukhin@intel.com>
13027 * config/i386/sse.md: (define_insn "*vec_dup<mode>"/AVX2):
13028 Block third alternative for AVX-512VL target,
13030 2016-03-21 Martin Liska <mliska@suse.cz>
13033 * hsa-brig.c (emit_function_directives): Mark unemitted
13034 global variables for emission.
13035 * hsa-gen.c (hsa_symbol::hsa_symbol): Initialize a new flag.
13036 (get_symbol_for_decl): Likewise.
13037 * hsa.h (struct hsa_symbol): New flag.
13039 2016-03-21 Richard Biener <rguenther@suse.de>
13041 PR tree-optimization/70288
13042 * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Make sure
13043 we do not estimate unsimplified all-constant conditionals or
13044 switches as optimized away.
13046 2016-03-21 Andrey Belevantsev <abel@ispras.ru>
13048 PR rtl-optimization/69102
13049 * sched-deps.c (sched_analyze_insn): Do not set last_args_size field
13050 when we have a readonly dependency context.
13052 2016-03-18 Jeff Law <law@redhat.com>
13054 PR rtl-optimization/70263
13055 * ira.c (memref_used_between_p): Assert we found END in the insn chain.
13056 (update_equiv_regs): When trying to move a store to after the insn
13057 that sets the source of the store, make sure the store occurs after
13058 the insn that sets the source of the store. When successful note
13059 the REG_EQUIV note created in the dump file.
13061 2016-03-16 David Wohlferd <dw@LimeGreenSocks.com>
13062 Bernd Schmidt <bschmidt@redhat.com>
13064 * doc/extend.texi: Document more potential problems with basic asms.
13066 2016-03-18 Bernd Schmidt <bschmidt@redhat.com>
13068 PR rtl-optimization/70278
13069 * lra-constraints.c (split_reg): Handle the case where biggest_mode is
13072 2016-03-18 Jason Merrill <jason@redhat.com>
13074 * calls.c (load_register_parameters): Fix zero size sibcall logic.
13076 2016-03-18 Kirill Yukhin <kirill.yukhin@intel.com>
13078 * config/i386/sse.md: Use vpbroadcastq for broadcasting DF
13079 values to 128b regs.
13081 2016-03-18 Ilya Enkovich <enkovich.gnu@gmail.com>
13083 PR tree-optimization/70252
13084 * tree-vect-stmts.c (supportable_widening_operation): Check resulting
13085 boolean vector has a proper number of elements.
13086 (supportable_narrowing_operation): Likewise.
13088 2016-03-18 Tom de Vries <tom@codesourcery.com>
13091 * cgraph.c (cgraph_node::get_body): Set dump_file to NULL after save.
13093 2016-03-18 Jakub Jelinek <jakub@redhat.com>
13095 * reload1.c (emit_input_reload_insns): Use simplify_replace_rtx
13096 instead of replace_rtx for DEBUG_INSNs.
13098 2016-03-18 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
13100 * config/i386/znver1.md : Fix latencies of FP/SSE/AVX
13101 load type reservations.
13103 2016-03-17 John David Anglin <danglin@gcc.gnu.org>
13106 * config/pa/constraints.md: Revert 2015-02-13 change. Use
13107 define_constraint for "Q" and "T" constraints.
13109 2016-03-17 Evandro Menezes <e.menezes@samsung.com>
13111 Tweak the pipeline model for Exynos M1
13113 * config/aarch64/aarch64.c (exynosm1_tunings): Enable weak prefetching
13116 2016-03-17 David Malcolm <dmalcolm@redhat.com>
13119 * diagnostic-show-locus.c (compatible_locations_p): Handle the case
13120 where one or both locations aren't within a line_map.
13122 2016-03-17 H.J. Lu <hongjiu.lu@intel.com>
13125 * opts.c (finish_options): Don't set flag_pie to the default if
13126 -fpic, -fPIC, -fno-pic or -fno-PIC is used. Set flag_pic to 0
13129 2016-03-17 Joern Rennecke <joern.rennecke@embecosm.com>
13131 * config/i386/i386.md (*movv4qicc_insn+1..36): Pass
13132 true as ALL_REGS argument to replace_rtx.
13134 2016-03-17 Richard Biener <rguenther@suse.de>
13137 * dwarf2out.c (dwarf2out_early_finish): Process deferred_asm_name
13140 2016-03-17 Jakub Jelinek <jakub@redhat.com>
13143 * rtl.h (replace_rtx): Add ALL_REGS argument.
13144 * rtlanal.c (replace_rtx): Likewise. If true, use REGNO
13145 equality and assert mode is the same, instead of just rtx pointer
13147 * config/i386/i386.md (mov + arithmetics with load peephole): Pass
13148 true as ALL_REGS argument to replace_rtx.
13150 2016-03-17 Ilya Enkovich <enkovich.gnu@gmail.com>
13152 * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Apply
13153 for boolean vector with vector mode only.
13154 (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
13156 2016-03-17 Nick Clifton <nickc@redhat.com>
13159 * config/rx/rx.c (rx_print_integer): Print negative constants in
13162 2016-03-17 Jakub Jelinek <jakub@redhat.com>
13165 * rtlanal.c (replace_rtx): Revert 2016-03-16 change.
13167 2016-03-16 Richard Henderson <rth@redhat.com>
13168 Richard Biener <rguenth@suse.de>
13170 PR middle-end/70240
13171 PR middle-end/68215
13173 * gimplify.c (gimplify_expr) [VEC_COND_EXPR]: Gimplify the
13174 first operand as is_gimple_condexpr.
13176 PR middle-end/70240
13177 PR middle-end/68215
13179 2015-12-11 Eric Botcazou <ebotcazou@adacore.com>
13180 * tree-vect-generic.c (tree_vec_extract): Remove GSI parameter.
13181 Do not gimplify the result.
13182 (do_unop): Adjust call to tree_vec_extract.
13183 (do_binop): Likewise.
13184 (do_compare): Likewise.
13185 (do_plus_minus): Likewise.
13186 (do_negate): Likewise.
13187 (expand_vector_condition): Likewise.
13188 (do_cond): Likewise.
13190 2016-03-16 Richard Henderson <rth@redhat.com>
13193 * config/aarch64/aarch64.c (virt_or_elim_regno_p): New.
13194 (aarch64_classify_address): Use it.
13195 (aarch64_legitimize_address): Force all subexpressions of PLUS
13196 into registers. Simplify as (sfp+const)+reg or (reg+reg)+const.
13198 2016-03-16 Jakub Jelinek <jakub@redhat.com>
13199 Richard Biener <rguenth@suse.de>
13202 * rtlanal.c (replace_rtx): For REG, if from is a REG,
13203 return to even if only REGNO is equal, and assert
13206 2016-03-11 Jeff Law <law@redhat.com>
13208 PR rtl-optimization/70224
13209 * reorg.c (relax_delay_slots): Pass right argument to CROSSING_JUMP_P.
13211 2016-03-16 Richard Henderson <rth@redhat.com>
13213 PR middle-end/70199
13214 * function.h (struct function): Add has_forced_label_in_static.
13215 * gimplify.c (force_labels_r): Set it.
13216 * lto-streamer-in.c (input_struct_function_base): Read it.
13217 * lto-streamer-out.c (output_struct_function_base): Write it.
13218 * tree-inline.c (has_label_address_in_static_1): Remove.
13219 (copy_forbidden): Remove fndecl parameter; test
13220 has_forced_label_in_static.
13221 (inline_forbidden_p): Update call to copy_forbidden.
13222 (tree_versionable_function_p): Likewise.
13223 * ipa-chkp.c (chkp_instrumentable_p): Likewise.
13224 (chkp_versioning): Likewise.
13225 * tree-inline.h (copy_forbidden): Update decl.
13227 2016-03-16 Marek Polacek <polacek@redhat.com>
13230 * cgraphunit.c (cgraph_node::expand_thunk): Also build call to the
13231 function being thunked if the result type doesn't have fixed size.
13232 * gimplify.c (gimplify_modify_expr): Also set LHS if the result type
13233 doesn't have fixed size.
13235 2016-03-16 Bin Cheng <bin.cheng@arm.com>
13237 * tree-vect-loop.c (vect_analyze_loop_2): Fix wrong dump info by
13238 reporting malformed loop nest.
13240 2016-03-16 Tom de Vries <tom@codesourcery.com>
13243 * ipa-devirt.c (possible_polymorphic_call_targets): Move
13244 nodes.length () == 1 test to before first nodes[0] access.
13246 2016-03-16 Tom de Vries <tom@codesourcery.com>
13248 PR tree-optimization/68715
13249 * graphite-scop-detection.c (scop_detection::merge_sese): Add missing
13250 single_pred_p test.
13252 2016-03-16 Tom de Vries <tom@codesourcery.com>
13254 PR tree-optimization/68809
13255 * graphite-scop-detection.c (same_close_phi_node): Test if result types
13258 2016-03-16 Carlos O'Donell <carlos@redhat.com>
13259 Sandra Loosemore <sandra@codesourcery.com>
13261 * doc/extend.texi (Common Function Attributes): Describe ifunc impact
13262 on leaf attribute. Mention ELF interposition problems.
13264 2016-03-16 Alan Modra <amodra@gmail.com>
13266 PR rtl-optimization/69195
13267 PR rtl-optimization/47992
13268 * ira.c (indirect_jump_optimize): Ignore artificial defs.
13271 2016-03-15 Eric Botcazou <ebotcazou@adacore.com>
13274 * dwarf2out.c (flush_limbo_die_list): Really flush the limbo list.
13276 2016-03-15 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
13278 * config/avr/avr.md (rotl<mode>3): Set mode for operand 2.
13280 2016-03-15 Jakub Jelinek <jakub@redhat.com>
13282 PR rtl-optimization/70222
13283 * combine.c (simplify_shift_const_1): For A >> B >> C LSHIFTRT
13284 optimization if mode is different from result_mode, queue up masking
13285 of the result in outer_op. Formatting fix.
13287 PR middle-end/70239
13288 * tree-ssa-sccvn.c (VN_INFO_GET): Use safe_grow_cleared instead
13291 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
13293 PR rtl-optimization/69032
13294 * sel-sched-ir.c (get_seqno_by_preds): Include both insn and head when
13295 looping backwards over basic block insns.
13297 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
13300 * sel-sched-ir.c (merge_expr): Avoid changing the speculative pattern
13301 to non-speculative when propagating trap bits.
13303 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
13305 PR rtl-optimization/63384
13306 * sel-sched.c (invoke_aftermath_hooks): Do not decrease issue_more on
13307 DEBUG_INSN_P insns.
13309 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
13312 * sched-deps.c (get_implicit_reg_pending_clobbers): New function,
13313 factored out from ...
13314 (sched_analyze_insn): ... here.
13315 * sched-int.h (get_implicit_reg_pending_clobbers): Declare it.
13316 * sel-sched-ir.c (setup_id_implicit_regs): New function, use
13317 get_implicit_reg_pending_clobbers in it.
13318 (setup_id_reg_sets): Use setup_id_implicit_regs.
13319 (deps_init_id): Ditto.
13321 2016-03-15 Tom de Vries <tom@codesourcery.com>
13324 * cgraph.c (cgraph_node::get_body): Save, reset and restore
13326 * passes.c (execute_one_ipa_transform_pass): Add missing argument to
13327 execute_function_dump.
13328 (execute_one_pass): Don't dump function if it will be dumped after ipa
13331 2016-03-15 Segher Boessenkool <segher@kernel.crashing.org>
13333 * genrecog.c (match_pattern_2): If pred is NULL don't call
13334 safe_predicate_mode on it.
13336 2016-03-14 Jakub Jelinek <jakub@redhat.com>
13338 PR middle-end/70219
13339 * lra-constraints.c (delete_move_and_clobber): Change assertion
13340 to also allow dregno == 0.
13342 2016-03-14 Richard Henderson <rth@redhat.com>
13345 * tree-ssa-reassoc.c (ovce_extract_ops, optimize_vec_cond_expr): New.
13346 (can_reassociate_p): Allow ANY_INTEGRAL_TYPE_P.
13347 (reassociate_bb): Use optimize_vec_cond_expr; avoid
13348 optimize_range_tests, attempt_builtin_copysign and attempt_builtin_powi
13351 2016-03-14 Bernd Schmidt <bschmidt@redhat.com>
13354 * lra-lives.c (process_bb_lives): Also update biggest mode for hard
13356 (lra_create_live_ranges_1): initialize hard register biggest_mode to
13358 * lra-constraints.c (split_reg): For hard regs, try to find the
13359 biggest single-register mode used in the function.
13361 2016-03-14 Richard Biener <rguenther@suse.de>
13363 PR tree-optimization/56365
13364 * tree-ssa-phiopt.c (minmax_replacement): Handle alternate
13365 constants to compare against.
13367 2016-03-14 Segher Boessenkool <segher@kernel.crashing.org>
13370 * config/rs6000/rs6000.md (*ctr<mode>_internal1, *ctr<mode>_internal2,
13371 *ctr<mode>_internal5, *ctr<mode>_internal6): Also allow "d" as output.
13372 (define_split for the GPR case): Use int_reg_operand instead of
13373 gpc_reg_operand for the output.
13375 2016-03-14 Tom de Vries <tom@codesourcery.com>
13377 PR tree-optimization/70045
13378 * graphite-isl-ast-to-gimple.c (graphite_create_new_loop_guard): Unshare
13379 create_empty_if_region_on_edge argument.
13381 2016-03-13 Eric Botcazou <ebotcazou@adacore.com>
13383 * config/arm/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Define.
13384 (STACK_CHECK_PROTECT): Likewise.
13385 * config/i386/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
13386 (STACK_CHECK_PROTECT): Likewise.
13387 * config/rs6000/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
13388 (STACK_CHECK_PROTECT): Likewise.
13389 * config/rs6000/vxworksae.h (STACK_CHECK_PROTECT): Likewise.
13390 * config/sparc/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
13391 (STACK_CHECK_PROTECT): Likewise.
13393 2016-03-12 Andrey Belevantsev <abel@ispras.ru>
13395 PR rtl-optimization/69307
13396 * sel-sched.c (choose_best_pseudo_reg): Properly check for hard
13397 registers in modes that span more than one register.
13399 2016-03-12 Vladimir Makarov <vmakarov@redhat.com>
13402 * lra-constraints.c (delete_move_and_clobber): New.
13403 (remove_inheritance_pseudos): Use it.
13405 2016-03-12 Eric Botcazou <ebotcazou@adacore.com>
13408 * calls.c (emit_library_call_value_1): Clear the ECF_NOTHROW flag if
13409 the libcall is LCT_THROW.
13410 * explow.c (probe_stack_range): Pass LCT_THROW to emit_library_call
13411 for the checking routine.
13413 2016-03-11 Michael Meissner <meissner@linux.vnet.ibm.com>
13416 * config/rs6000/rs6000.md (round32<mode>2_fprs): Do not do the
13417 optimization if we have direct move.
13418 (roundu32<mode>2_fprs): Likewise.
13420 2016-03-11 Bernd Schmidt <bschmidt@redhat.com>
13423 * lra-remat.c (operand_to_remat): Disallow hard regs in the value t
13425 (reg_overlap_for_remat_p): Renamed from input_regno_present_p.
13426 Arguments swapped. All callers changed. Take reg_renumber into
13427 account, and Calculate and compare register ranges for hard regs.
13429 2016-03-11 Jeff Law <law@redhat.com>
13431 PR tree-optimization/70190
13432 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
13433 Handle cases where we can not extract the taken edge, even though we
13434 found a constant value.
13436 PR tree-optimization/64058
13437 * tree-ssa-coalesce.c (struct coalesce_pair): Add new field INDEX.
13438 (num_coalesce_pairs): Move up earlier in file.
13439 (find_coalesce_pair): Initialize the INDEX field for each pair
13441 (compare_pairs): No longer sort on the elements in each pair.
13442 Instead break ties with the index of the coalesce pair.
13444 2016-03-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13447 * config/aarch64/aarch64-protos.h
13448 (aarch64_save_restore_target_globals): New prototype.
13449 * config/aarch64/aarch64-c.c (aarch64_pragma_target_parse):
13450 Call the above when popping pragma.
13451 * config/aarch64/aarch64.c (aarch64_save_restore_target_globals):
13453 (aarch64_set_current_function): Rewrite using the above.
13455 2016-03-11 Jakub Jelinek <jakub@redhat.com>
13457 PR tree-optimization/70177
13458 * gimple-expr.h (extract_ops_from_tree_1): Renamed to ...
13459 (extract_ops_from_tree): ... this. In the 2 argument
13460 overload remove _1 suffix.
13461 * gimple-expr.c (extract_ops_from_tree_1): Renamed to ...
13462 (extract_ops_from_tree): ... this.
13463 * gimple.c (gimple_build_assign, gimple_assign_set_rhs_from_tree):
13465 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
13466 * tree-ssa-forwprop.c (defcodefor_name): Call 3 operand
13467 extract_ops_from_tree instead of 2 operand one.
13469 2016-03-11 Alan Lawrence <alan.lawrence@arm.com>
13471 PR tree-optimization/70013
13472 * tree-sra.c (analyze_access_subtree): Also set grp_unscalarized_data
13473 for constant-pool entries.
13475 2016-03-11 Jakub Jelinek <jakub@redhat.com>
13477 PR rtl-optimization/70174
13478 * expmed.c (store_bit_field_using_insv): Use gen_lowpart_if_possible
13479 followed by gen_lowpart on force_reg instead of just gen_lowpart.
13481 PR tree-optimization/70169
13482 * tree-ssa-loop.c (gen_lsm_tmp_name): Handle FUNCTION_DECL and
13483 LABEL_DECL like VAR_DECL. Emit nothing instead of gcc_unreachable
13486 2016-03-11 Ilya Enkovich <enkovich.gnu@gmail.com>
13487 Jakub Jelinek <jakub@redhat.com>
13490 * config/i386/i386.c (scalar_chain::convert_reg): Skip uses
13491 of uninitialized values.
13493 2016-03-11 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
13495 * config/s390/s390.md ("trunctddd2"): Turn former define_insn into
13497 ("*trunctddd2"): New pattern definition.
13498 ("trunctdsd2"): Set prep_for_short_prec rounding mode for the
13501 2016-03-11 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
13503 * config/s390/s390.md (BFP_RND_*, DFP_RND_*): Add new constant
13504 definitions for BFP and DFP rounding modes.
13505 ("fixuns_truncdddi2", "fixuns_trunctddi2")
13506 ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2")
13507 ("fix_trunc<DSF:mode><GPR:mode>2", "fix_trunc<mode>di2")
13508 ("fix_trunctf<mode>2"): Use the new constants instead of magic
13511 2016-03-11 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
13513 * config/s390/constraints.md: Adjust comment.
13514 ("Y"): Adjust comment. Rename s390_decompose_shift_count to
13515 s390_decompose_addrstyle_without_index.
13516 * config/s390/predicates.md (shift_count_or_setmem_operand):
13517 Rename to setmem_operand.
13518 * config/s390/s390-protos.h
13519 (s390_decompose_shift_count): Rename to
13520 s390_decompose_addrstyle_without_index.
13521 * config/s390/s390.c (s390_decompose_shift_count)
13522 (s390_mem_constraint, print_shift_count_operand)
13523 (print_operand_address, print_operand): Rename
13524 s390_decompose_shift_count to
13525 s390_decompose_addrstyle_without_index and rename
13526 print_shift_count_operand to print_addrstyle_operand troughout the
13528 * config/s390/s390.md ("setmem_long_<P:mode>", "*setmem_long")
13529 ("*setmem_long_and", "*setmem_long_31z", "*setmem_long_and_31z"):
13530 Rename shift_count_or_setmem_operand to setmem_operand.
13531 * config/s390/vx-builtins.md ("vec_insert<mode>")
13532 ("vec_promote<mode>"): Replace shift_count_or_setmem_operand with
13535 2016-03-10 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
13538 * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
13539 Handle overlapping retval and newval.
13541 2016-03-10 Nick Clifton <nickc@redhat.com>
13544 * config/aarch64/aarch64.c
13545 (aarch64_override_options_after_change_1): When forcing
13546 flag_omit_frame_pointer to be true, use a special value that can
13547 be detected if this function is called again, thus preventing
13548 flag_omit_leaf_frame_pointer from being forced to be false.
13550 2016-03-10 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13552 * common/config/aarch64/aarch64-common.c (aarch64_handle_option):
13553 Set x_flag_omit_leaf_frame_pointer when handling
13554 -momit-leaf-frame-pointer.
13556 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
13559 * cgraph.c (cgraph_node::dump): Dump split_part and
13560 indirect_call_target.
13561 * cgraph.h (cgraph_node): Add indirect_call_target flag.
13562 * ipa.c (has_addr_references_p): Cleanup.
13563 (is_indirect_call_target_p): New.
13564 (walk_polymorphic_call_targets): Do not mark virtuals that may be
13565 called indirectly as local.
13566 (symbol_table::remove_unreachable_nodes): Compute indirect_call_target.
13568 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
13571 * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
13572 on cxa_pure_virtual.
13574 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
13577 * tree.c (free_lang_data_in_decl): Clear visibility of TYPE_DECL.
13579 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
13582 * tree.c (need_assembler_name_p): Only record main variant type names.
13584 2016-03-10 Christophe Lyon <christophe.lyon@linaro.org>
13587 * config/aarch64/aarch64.h (TARGET_FIX_ERR_A53_843419_DEFAULT):
13588 Always define to 0 or 1.
13589 (TARGET_FIX_ERR_A53_843419): New macro.
13590 * config/aarch64/aarch64-elf-raw.h
13591 (TARGET_FIX_ERR_A53_843419_DEFAULT): Update for above changes.
13592 * config/aarch64/aarch64-linux.h: Likewise.
13593 * config/aarch64/aarch64.c
13594 (aarch64_override_options_after_change_1): Do not default
13595 aarch64_nopcrelative_literal_loads to true if Cortex-A53 erratum
13597 (aarch64_attributes): Handle fix-cortex-a53-843419.
13598 (aarch64_can_inline_p): Likewise.
13599 * config/aarch64/aarch64.opt (aarch64_fix_a53_err843419): Save.
13601 2016-03-10 Alan Lawrence <alan.lawrence@arm.com>
13602 Jakub Jelinek <jakub@redhat.com>
13604 * common.opt (funconstrained-commons, flag_unconstrained_commons): New.
13605 * tree.c (array_at_struct_end_p): Do not limit to size of decl for
13606 DECL_COMMONS if flag_unconstrained_commons is set.
13607 * tree-dfa.c (get_ref_base_and_extent): Likewise.
13608 * doc/invoke.texi (Optimize Options): Add -funconstrained-commons.
13609 (funconstrained-commons): Document.
13611 2016-03-10 Christophe Lyon <christophe.lyon@linaro.org>
13613 * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add
13614 aarch64-fusion-pairs.def and aarch64-tuning-flags.def
13616 2016-03-10 Ilya Enkovich <enkovich.gnu@gmail.com>
13618 * tree-vect-stmts.c (vectorizable_mask_load_store): Check mask
13619 has a proper number of elements.
13621 2016-03-10 Alan Modra <amodra@gmail.com>
13623 PR rtl-optimization/69195
13624 PR rtl-optimization/47992
13625 * ira.c (recorded_label_ref): Delete.
13626 (update_equiv_regs): Return void.
13627 (indirect_jump_optimize): New function.
13628 (ira): Call indirect_jump_optimize and delete_trivially_dead_insns
13629 before regstat_compute_ri. Don't rebuild_jump_labels here.
13630 Delete update_regstat.
13632 2016-03-10 Richard Biener <rguenther@suse.de>
13634 PR tree-optimization/70128
13635 * tree-ssa-structalias.c (set_uids_in_ptset): Set
13636 vars_contains_nonlocal for any FUNCTION_DECL or LABEL_DECL.
13638 2016-03-09 Jakub Jelinek <jakub@redhat.com>
13640 PR tree-optimization/70152
13641 * tree-sra.c (replace_removed_params_ssa_names): Copy over
13642 SSA_NAME_OCCURS_IN_ABNORMAL_PHI from old_name to new_name.
13645 * config/i386/i386.md (truncdfsf2 splitter): Use gen_vec_concatv2df
13646 instead of gen_sse2_loadlpd.
13647 * config/i386/sse.md (*vec_concatv2df): Rename to...
13648 (vec_concatv2df): ... this.
13650 PR tree-optimization/70127
13651 * fold-const.c (operand_equal_p): Revert the 2015-10-28 change.
13653 2016-03-09 David Malcolm <dmalcolm@redhat.com>
13657 * diagnostic-show-locus.c (compatible_locations_p): New function.
13658 (layout::layout): Sanitize ranges using compatible_locations_p.
13660 2016-03-09 David Malcolm <dmalcolm@redhat.com>
13664 * diagnostic-show-locus.c (layout_range::layout_range): Replace
13665 location_range param with three const expanded_locations * and a
13667 (layout::layout): Replace call to
13668 rich_location::lazily_expand_location with get_expanded_location.
13669 Extract the range and perform location expansion here, passing
13670 the results to the layout_range ctor.
13671 * diagnostic.c (source_range::debug): Delete.
13672 * diagnostic.h (diagnostic_expand_location): Reimplement in terms
13673 of rich_location::get_expanded_location.
13674 * gcc-rich-location.c (get_range_for_expr): Delete.
13675 (gcc_rich_location::add_expr): Reimplement to avoid the
13676 rich_location::add_range overload that took a location_range,
13677 passing a location_t instead.
13679 2016-03-09 Richard Biener <rguenther@suse.de>
13680 Jakub Jelinek <jakub@redhat.com>
13682 PR tree-optimization/70138
13683 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
13684 Also skip vect_double_reduction_def.
13686 2016-03-09 Jakub Jelinek <jakub@redhat.com>
13689 * config/i386/sse.md (*vec_extract<mode>): Use %0 instead of %k0
13690 if the operand is "m".
13692 2016-03-09 Nathan Sidwell <nathan@acm.org>
13694 * config/nvptx/nvptx.c (nvptx_option_override): Don't kill debug level.
13696 2016-03-09 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
13698 * config/i386/i386.c (processor_target_table): Fix cost table
13699 intialization order for znver1.
13701 2016-03-08 Jakub Jelinek <jakub@redhat.com>
13703 * ipa-polymorphic-call.c (walk_ssa_copies): Fix spelling
13704 - becuase -> because.
13705 * ipa-reference.c (ignore_module_statics): Likewise.
13706 * cgraph.c (cgraph_node::get_body): Likewise.
13707 * ipa-inline.c (early_inliner): Likewise.
13708 * ipa-devirt.c (types_same_for_odr): Likewise.
13709 * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
13710 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Likewise.
13712 2016-03-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13714 * tree-ssa-math-opts.c: Fix typo in comment.
13716 2016-03-08 Jakub Jelinek <jakub@redhat.com>
13719 * config/i386/i386.c (scalar_chain::make_vector_copies,
13720 scalar_chain::convert_reg): Call end_sequence in between
13721 get_insns and emit_conversion_insns rather than after both
13724 2016-03-07 Uros Bizjak <ubizjak@gmail.com>
13727 * config/i386/i386.h (machine_function): Add
13728 pc_thunk_call_expanded flag.
13729 (ix86_pc_thunk_call_expanded): New define.
13730 * config/i386/i386.md (set_got, set_got_labelled): New expanders.
13731 (*set_got): Rename insn pattern from set_got.
13732 (*set_got_labelled): Rename inst pattern from set_got_labelled.
13733 * config/i386/i386.c (ix86_compute_frame_layout): Use
13734 ix86_pc_thunk_call_expanded to prevent red-zone.
13736 2016-03-07 Martin Jambor <mjambor@suse.cz>
13738 * hsa.h (hsa_get_ctor_statements): Declare.
13739 (hsa_get_dtor_statements): Likewise.
13740 (hsa_get_kernel_dispatch_type): Likewise.
13741 * hsa.c (hsa_get_ctor_statements): New function.
13742 (hsa_get_dtor_statements): Likewise.
13743 (hsa_get_kernel_dispatch_type): Likewise.
13744 * hsa-brig.c (hsa_cdtor_statements): Removed.
13745 (hsa_output_libgomp_mapping): Use hsa_get_ctor_statements and
13746 hsa_get_dtor_statements.
13747 * hsa-gen.c (hsa_kernel_dispatch_type): Removed.
13748 (get_hsa_kernel_dispatch_offset): Use hsa_get_kernel_dispatch_type.
13750 2016-03-07 Andre Vieira <andre.simoesdiasvieira@arm.com>
13752 * config/arm/arm-cores.def (cortex-r8): New.
13753 * config/arm/arm-tables.opt (cortex-r8): Regenerate.
13754 * config/arm/arm-tune.md: Likewise.
13755 * doc/invoke.texi: Add cortex-r8 to list of cpu values.
13757 2016-03-07 Martin Sebor <msebor@redhat.com>
13759 PR rtl-optimization/19705
13760 * doc/invoke.texi (Options That Control Optimization): Clarify
13761 -fno-branch-count-reg.
13763 2016-02-26 Richard Biener <rguenther@suse.de>
13764 Jeff Law <law@redhat.com>
13766 PR tree-optimization/69740
13767 * cfghooks.c (remove_edge): Request loop fixups if we delete
13768 an edge that might turn an irreducible loop into a natural
13770 * cfgloop.h (check_verify_loop_structure): Clear LOOPS_NEED_FIXUP.
13771 Move after definition of loops_state_clear.
13773 2016-03-07 Bin Cheng <bin.cheng@arm.com>
13775 PR rtl-optimization/69052
13776 * rtlanal.c (commutative_operand_precedence): Set higher precedence
13779 2016-03-07 Tom de Vries <tom@codesourcery.com>
13781 PR tree-optimization/70116
13782 * tree-ssa-tail-merge.c (merge_stmts_p): New function, handling
13783 is_tm_ending stmts and ubsan/asan internal functions.
13784 (find_duplicate): Use it. Don't test is_tm_ending here.
13786 2016-03-07 Richard Biener <rguenther@suse.de>
13788 PR tree-optimization/70115
13789 * tree-ssa-loop-ivcanon.c (propagate_into_all_uses): Remove.
13790 (propagate_constants_for_unrolling): Use replace_uses_by.
13792 2016-03-07 Nathan Sidwell <nathan@codesourcery.com>
13794 PR middle-end/69916
13795 * omp-low.c (struct oacc_loop): Add ifns.
13796 (new_oacc_loop_raw): Initialize it.
13797 (finish_oacc_loop): Clear mask & flags if no ifns.
13798 (oacc_loop_discover_walk): Count IFN_GOACC_LOOP calls.
13799 (oacc_loop_xform_loop): Add ifns arg & adjust.
13800 (oacc_loop_process): Adjust oacc_loop_xform_loop call.
13802 2016-03-07 Richard Henderson <rth@redhat.com>
13805 * tree-outofssa.c (emit_partition_copy): Flush pending stack adjust.
13806 (insert_value_copy_on_edge): Likewise.
13808 2016-03-07 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13810 * config/arm/arm_neon.h: Show error if using with soft-float ABI.
13812 2016-03-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
13815 * config/i386/sol2.h (STACK_REALIGN_DEFAULT): Define.
13817 2016-03-05 Venkataramanan Kumar <Venkataramanan.kumar@amd.com>
13819 * config/i386/i386.c (znver1_cost): Fix Multiply cost.
13821 2016-03-05 Venkataramanan Kumar <Venkataramanan.kumar@amd.com>
13823 Fix sseimul type attribute.
13824 * config/i386/znver1.md
13825 (znver1_sseimul, znver1_sseimul_avx256, znver1_sseimul_load,
13826 znver1_sseimul_avx256_load) : Fix the type attribute.
13827 (znver1_sseimul_di, znver1_sseimul_load_di): Fix type attribute,
13828 pipe usage and latency.
13830 2016-03-05 Jakub Jelinek <jakub@redhat.com>
13833 * tree-inline.c (copy_tree_body_r): When cancelling ADDR_EXPR
13834 of INDIRECT_REF and ADDR_EXPR changed type, fold_convert it
13837 2016-03-04 Bernd Schmidt <bschmidt@redhat.com>
13840 * targhooks.c (default_vector_alignment): Limit to MAX_OFILE_ALIGNMENT.
13842 PR rtl-optimization/69941
13843 * postreload.c (reload_combine_recognize_pattern): Ensure all uses of
13844 the reg share its mode.
13846 2016-03-04 Jeff Law <law@redhat.com>
13848 PR tree-optimization/69196
13849 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
13850 If the both SSA_NAMEs are anonymous, then consider them unassociated
13851 and include the PHI in the statement count.
13853 2016-03-05 Tom de Vries <tom@codesourcery.com>
13855 * omp-low.c (check_omp_nesting_restrictions): Check for non-oacc
13856 construct in oacc routine. Check for oacc region in oacc routine.
13858 2016-03-04 Jakub Jelinek <jakub@redhat.com>
13861 * config/i386/i386.c (decide_alg): Add RECUR argument. Revert
13862 2016-02-22 changes, instead don't recurse if RECUR is already true.
13863 Don't change *dynamic_check if RECUR. Adjust recursive caller
13864 to pass true to the new argument.
13865 (ix86_expand_set_or_movmem): Adjust decide_alg caller.
13868 * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
13869 <extract_type_2>_vinsert<shuffletype><extract_suf_2>_mask): Formatting
13871 (vec_set_hi_<mode><mask_name>): Likewise. Swap VEC_CONCAT operands.
13873 2016-03-04 Bernd Schmidt <bschmidt@redhat.com>
13875 PR rtl-optimization/57676
13876 * lra-assigns.c (lra_assign): Guard test for maximum iterations
13877 with flag_checking.
13879 2016-03-04 Ilya Enkovich <enkovich.gnu@gmail.com>
13881 * tree-vect-patterns.c (search_type_for_mask): Handle
13882 comparison of booleans.
13884 2016-03-04 Jakub Jelinek <jakub@redhat.com>
13886 * doc/extend.texi (__builtin_alloca, __builtin_alloca_with_align):
13890 * dwarf2out.c (prune_unused_types_walk_loc_descr): Handle
13891 all other ops that have dw_val_class_die_ref operands,
13892 and DW_OP_GNU_entry_value.
13894 2016-03-03 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13896 PR rtl-optimization/69904
13897 * config/arm/arm.c (arm_cannot_copy_insn_p):
13898 Return true for load-exclusive instructions.
13900 2016-03-03 Jakub Jelinek <jakub@redhat.com>
13903 * tree-vect-stmts.c (vect_mark_relevant): Remove USED_IN_PATTERN
13904 argument, if STMT_VINFO_IN_PATTERN_P (stmt_info), always mark
13905 the pattern no matter if it is used just by non-pattern, pattern
13907 (process_use, vect_mark_stmts_to_be_vectorized): Adjust callers.
13908 * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
13909 oprnd1 def_stmt is in pattern, don't look through it.
13911 2016-03-03 Marek Polacek <polacek@redhat.com>
13913 PR middle-end/70050
13914 * match.pd (X % -Y): Add INTEGRAL_TYPE_P check.
13916 2016-03-03 Martin Liska <mliska@suse.cz>
13918 PR tree-optimization/70043
13919 * tree-vect-loop.c (optimize_mask_stores): Move iterator to
13920 previous statement if we see a debug statement.
13922 2016-03-03 Richard Biener <rguenther@suse.de>
13924 PR tree-optimization/55936
13925 * tree-vrp.c (compare_name_with_value): Add use_equiv_p
13926 parameter and guard unsafe equivalence use.
13927 (vrp_evaluate_conditional_warnv_with_ops): Always use
13928 safe equivalences but not via the quadratic compare_names
13931 2016-03-03 Michael Collison <michael.collison@linaro.org>
13934 * config/arm/arm.md (*subsi3_carryin_const): Change predicate
13935 for operand 1 to s_register_operand. Change predicate for operand
13936 2 to arm_not_immediate_operand.
13938 2016-03-02 H.J. Lu <hongjiu.lu@intel.com>
13940 * doc/tm.texi: Regenerated.
13942 2016-03-02 Richard Henderson <rth@redhat.com>
13945 * simplify-rtx.c (simplify_plus_minus): Allow reassoc without
13946 simplification when all args are positive non-fixed registers.
13948 2016-03-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13950 * target.def (lra_p): Specify that new ports should use LRA.
13952 2016-03-02 Jakub Jelinek <jakub@redhat.com>
13955 * gimplify.c (gimplify_decl_expr): For decls with REFERENCE_TYPE, also
13956 gimplify_type_sizes the type they refer to.
13957 (omp_notice_variable): Handle reference vars to VLAs.
13958 * omp-low.c (lower_omp_target): Emit setup of OMP_CLAUSE_PRIVATE
13959 reference to VLA decls in the second pass instead of first pass.
13961 2016-03-02 Tom de Vries <tom@codesourcery.com>
13963 PR tree-optimization/68659
13964 * graphite-isl-ast-to-gimple.c (collect_all_ssa_names): Handle
13965 new_expr == NULL_TREE.
13966 (get_new_name): Handle ADDR_EXPR.
13968 2016-03-02 Bin Cheng <bin.cheng@arm.com>
13970 PR rtl-optimization/69052
13971 * loop-invariant.c (canonicalize_address): New function.
13972 (inv_can_prop_to_addr_use): Check validity of address expression
13973 which is canonicalized by above function.
13975 2016-03-02 Alan Modra <amodra@gmail.com>
13978 * ipa-icf.c (sem_variable::merge): Do not merge an alias with
13981 2016-03-02 Jakub Jelinek <jakub@redhat.com>
13984 * config/i386/i386.md (kmovw): Move m constraint to 2nd alternative.
13985 (*movhi_internal): Put mask moves from and to memory separately
13986 from moves from/to GPRs.
13988 2016-03-02 Richard Biener <rguenther@suse.de>
13990 * genmatch.c (dt_node::gen_kids): Fix match code-gen for embedded
13991 GENERIC expressions in GIMPLE.
13993 2016-03-02 Richard Biener <rguenther@suse.de>
13995 * config/i386/i386.c (type_natural_mode): Fix typo.
13997 2016-03-02 Nick Clifton <nickc@redhat.com>
13999 * config.gcc (mep-*-elf): Add newlib-stdint.h to tm_file.
14001 2016-03-02 Richard Biener <rguenther@suse.de>
14002 Uros Bizjak <ubizjak@gmail.com>
14005 * config/i386/i386.c (type_natural_mode): Handle XFmode vectors.
14007 2016-03-02 Richard Biener <rguenther@suse.de>
14009 PR middle-end/67278
14010 * tree-cfg.c (verify_expr): Adjust BIT_FIELD_REF case.
14012 2016-03-02 Marek Polacek <polacek@redhat.com>
14015 * gimplify.c (gimplify_va_arg_expr): Use expanded location for the
14016 "is promoted to" warning.
14018 2016-03-01 DJ Delorie <dj@redhat.com>
14020 * config.gcc: Deprecate mep-*.
14022 2016-03-01 Vladimir Makarov <vmakarov@redhat.com>
14024 PR middle-end/70025
14025 * lra-constraints.c (regno_val_use_in): New.
14026 (match_reload): Use it instead of regno_use_in.
14028 2016-03-01 Eric Botcazou <ebotcazou@adacore.com>
14030 PR rtl-optimization/70007
14031 * gcse.c (compute_ld_motion_mems): Tidy up and also invalidate memory
14032 references present in REG_EQUAL notes attached to non-SET patterns.
14034 2016-03-01 Jeff Law <law@redhat.com>
14036 PR tree-optimization/69196
14037 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
14038 Appropriately clamp the number of statements to copy when the
14039 thread path does not traverse a loop backedge.
14041 PR tree-optimization/69196
14042 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
14043 Do count some PHIs in the thread path against the insn count. Decrease
14044 final statement count by one as the control statement in the last
14045 block will get removed. Remove special cased code for handling PHIs
14048 2016-03-01 Uros Bizjak <ubizjak@gmail.com>
14051 * config/i386/i386.c (ix86_output_call_insn): Add -masm=intel
14052 asm dialect alternatives to explicit GOTPCREL calls.
14054 2016-03-01 Eric Botcazou <ebotcazou@adacore.com>
14057 * ira.c (do_reload): Issue warning for generic stack checking here...
14058 * reload1.c (reload): ...instead of here and streamline it.
14060 2016-03-01 Nick Clifton <nickc@redhat.com>
14062 * config.gcc (cr16-*-elf): Add newlib-stdint.h to tm_file.
14064 2016-03-01 Richard Biener <rguenther@suse.de>
14066 PR tree-optimization/69983
14067 * tree-chrec.c (eq_evolutions_p): Handle conversions, compare
14068 types and fall back to operand_equal_p.
14070 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
14073 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
14075 * config/s390/constraints.md ("jm8"): New constraint.
14076 * config/s390/predicates.md ("const_int_8bitset_operand"): New
14078 * config/s390/s390.md ("*setmem_long", "*setmem_long_and"): Merge
14080 ("*setmem_long<setmem_and>"): New pattern.
14081 ("*setmem_long_31z", "*setmem_long_and_31z"): Merge
14083 ("*setmem_long_31z<setmem_and>"): New pattern.
14084 * config/s390/subst.md ("setmem_31z_subst", "setmem_and_subst"):
14085 New substitution rules with the required attributes.
14088 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
14091 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
14093 * gensupport.c (process_substs_on_one_elem): Split loop to
14094 complete mark_operands_used_in_match_dup on all expressions in the
14096 (adjust_operands_numbers): Inline into process_substs_on_one_elem
14097 and remove function.
14099 2016-03-01 Richard Biener <rguenther@suse.de>
14101 PR middle-end/70022
14102 * fold-const.c (fold_indirect_ref_1): Fix range checking for
14103 vector BIT_FIELD_REF extract.
14105 2016-03-01 Richard Biener <rguenther@suse.de>
14107 PR tree-optimization/69994
14108 * tree-ssa-reassoc.c (ops_equal_values_p): Handle missing case.
14110 2016-03-01 Ilya Enkovich <enkovich.gnu@gmail.com>
14112 PR tree-optimization/69956
14113 * tree-vect-stmts.c (supportable_widening_operation): Support
14114 multi-step conversion of boolean vectors.
14115 (supportable_narrowing_operation): Likewise.
14117 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
14119 * config/s390/s390.c (s390_decompose_address): Don't accept SImode
14122 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
14124 * config/s390/subst.md (DSI_VI): New mode iterator.
14125 ("addr_style_op_subst"): Use DSI_VI instead of DSI.
14126 * config/s390/vector.md ("vec_set<mode>"): Move expander before
14127 the insn definition.
14128 ("*vec_set<mode>"): Change predicate and add alternative to
14129 support only either register or const_int operands as element
14131 ("*vec_set<mode>_plus"): New pattern to support reg + const_int
14133 ("vec_extract<mode>"): New expander.
14134 ("*vec_extract<mode>"): New insn definition supporting reg and
14135 const_int element selectors.
14136 ("*vec_extract<mode>_plus"): New insn definition supporting
14137 reg+const_int element selectors.
14138 ("rotl<mode>3", "ashl<mode>3", "ashr<mode>3"): Merge into the
14139 following expander+insn definition.
14140 ("<vec_shifts_name><mode>3"): New expander.
14141 ("*<vec_shifts_name><mode>3<addr_style_op>"): New insn definition.
14143 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
14145 * config/s390/s390.md ("*tabort_1"): Change predicate to
14146 nonmemory_operand. Add a second alternative to cover
14147 register as well as const int operands.
14148 ("*tabort_1_plus"): New pattern definition.
14150 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
14152 * config/s390/s390.md ("*ashrdi3_cc_31")
14153 ("*ashrdi3_cconly_31""*ashrdi3_cc_31_and")
14154 ("*ashrdi3_cconly_31_and", "*ashrdi3_31_and", "*ashrdi3_31"):
14155 Merge insn definitions into ...
14156 ("*ashrdi3_31<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
14157 New pattern definition.
14158 ("*ashr<mode>3_cc", "*ashr<mode>3_cconly", "ashr<mode>3", )
14159 ("*ashr<mode>3_cc_and", "*ashr<mode>3_cconly_and")
14160 ("*ashr<mode>3_and"): Merge insn definitions into ...
14161 ("*ashr<mode>3<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
14162 New pattern definition.
14163 * config/s390/subst.md ("addr_style_op_cc_subst")
14164 ("masked_op_cc_subst", "setcc_subst", "cconly_subst"): New
14165 substitutions patterns plus attributes.
14166 Add ashiftrt to SUBST iterator.
14168 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
14170 * config/s390/s390.md ("<shift><mode>3"): Change predicate of
14171 op2 to nonmemory_operand.
14172 ("*<shift>di3_31", "*<shift>di3_31_and"):
14173 Merge into single pattern definition ...
14174 ("*<shift>di3_31<addr_style_op><masked_op>"): New pattern.
14175 ("*<shift><mode>3", "*<shift><mode>3_and"): Merge into single
14176 pattern definition ...
14177 ("*<shift><mode>3<addr_style_op><masked_op>"): New pattern.
14178 * config/s390/subst.md: Add ashift and lshiftrt to SUBST
14181 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
14183 * config/s390/predicates.md (const_int_6bitset_operand): New
14185 * config/s390/s390.md: Include subst.md.
14186 ("rotl<mode>3"): New expander.
14187 ("rotl<mode>3", "*rotl<mode>3_and"): Merge insn definitions into
14189 ("*rotl<mode>3<addr_style_op><masked_op>"): New insn definition.
14190 * config/s390/subst.md: New file.
14192 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
14194 * config/s390/s390.md ("op_type", "atype", "length" attributes):
14195 Remove RRR type. It doesn't really exist.
14196 ("RRer", "f0", "v0", "vf", "vd", "op1", "Rf"): Remove mode
14198 ("BFP", "DFP", "nDSF", "nDFDI"): Add mode attributes.
14199 ("*cmp<mode>_ccs", "floatdi<mode>2", "add<mode>3")
14200 ("*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3")
14201 ("*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3")
14202 ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2")
14203 ("*abs<mode>2", "*negabs<mode>2", "sqrt<mode>2"): Override
14204 `enabled' attribute.
14206 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
14208 * gensupport.c (process_substs_on_one_elem): Split loop to
14209 complete mark_operands_used_in_match_dup on all expressions in the
14211 (adjust_operands_numbers): Inline into process_substs_on_one_elem
14212 and remove function.
14214 2016-02-29 Eric Botcazou <ebotcazou@adacore.com>
14217 * config/sparc/sparc.c (NWORDS_UP): Rename to...
14218 (CEIL_NWORDS): ...this. Use CEIL macro.
14219 (compute_fp_layout): Adjust to above renaming.
14220 (function_arg_union_value): Likewise.
14221 (sparc_arg_partial_bytes): Likewise.
14222 (sparc_function_arg_advance): Likewise.
14224 2016-02-29 Jeff Law <law@redhat.com>
14226 PR tree-optimization/70005
14227 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Handle case
14228 where an object with a boolean range is compared against a value
14231 PR tree-optimization/69999
14232 * gimple-ssa-split-paths.c (split_paths): When duplicating a block
14233 with an outgoing edge marked with EDGE_IRREDUCIBLE_LOOP, schedule
14236 2016-02-29 Richard Biener <rguenther@suse.de>
14238 PR tree-optimization/69994
14239 * tree-ssa-reassoc.c (gimple_nop_conversion_p): New function.
14240 (get_unary_op): Look through nop conversions.
14241 (ops_equal_values_p): New function, look for equality diregarding
14243 (eliminate_plus_minus_pair): Use ops_equal_values_p
14244 (repropagate_negates): Do not use get_unary_op here.
14246 2016-02-29 Martin Liska <mliska@suse.cz>
14248 * system.h: Poison ENABLE_CHECKING macro.
14250 2016-02-29 Martin Liska <mliska@suse.cz>
14252 * hsa-gen.c (gen_body_from_gimple): Dump only if TDF_DETAILS
14253 is presented in dump flags.
14254 * hsa-regalloc.c (linear_scan_regalloc): Likewise.
14255 (hsa_regalloc): Likewise.
14257 2016-02-19 Richard Biener <rguenther@suse.de>
14259 PR tree-optimization/69980
14260 * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Update
14261 permutation of those we need to keep.
14263 2016-02-29 Eric Botcazou <ebotcazou@adacore.com>
14266 * config/sparc/sparc.c (ROUND_ADVANCE): Rename to...
14267 (NWORDS_UP): ...this
14268 (init_cumulative_args): Minor tweaks.
14269 (sparc_promote_function_mode): Likewise.
14270 (scan_record_type): Delete.
14271 (traverse_record_type): New function template.
14272 (classify_data_t): New structure type.
14273 (classify_registers): New inline function.
14274 (function_arg_slotno): In 64-bit mode, bail out early if FP slots are
14275 exhausted. Instantiate traverse_record_type on classify_registers and
14276 deal with the case of a structure passed in slot #15 with no FP field
14278 (assign_data_t): New structure type.
14279 (compute_int_layout): New static function.
14280 (compute_fp_layout): Likewise.
14281 (count_registers): New inline function.
14282 (assign_int_registers): New static function.
14283 (assign_fp_registers): Likewise.
14284 (assign_registers): New inline function.
14285 (function_arg_record_value_1): Delete.
14286 (function_arg_record_value_2): Likewise.
14287 (function_arg_record_value_3): Likewise.
14288 (function_arg_record_value): Adjust to above changes. Instantiate
14289 traverse_record_type on count_registers to first count the number of
14290 registers to be used and then on assign_registers to assign them.
14291 (function_arg_union_value): Adjust to above renaming.
14292 (sparc_function_arg_1); Minor tweaks. Remove commented out code.
14293 (sparc_arg_partial_bytes): Adjust to above renaming. Deal with the
14294 case of a structure passed in slot #15
14295 (sparc_function_arg_advance): Likewise.
14296 (function_arg_padding): Minor tweak.
14298 2016-02-29 Richard Biener <rguenther@suse.de>
14300 PR tree-optimization/69720
14301 * tree-vect-loop.c (get_initial_def_for_reduction): Avoid
14302 the adjustment_def path for possibly vectorized defs.
14303 (vect_create_epilog_for_reduction): Handle vectorized initial
14306 2016-02-28 Eric Botcazou <ebotcazou@adacore.com>
14308 * config/i386/cygming.h (STACK_REALIGN_DEFAULT): Define.
14310 2016-02-27 Jeff Law <law@redhat.com>
14313 2016-02-26 Richard Biener <rguenther@suse.de>
14314 Jeff Law <law@redhat.com>
14316 PR tree-optimization/69740
14317 * cfghooks.c (remove_edge): Request loop fixups if we delete
14318 an edge that might turn an irreducible loop into a natural
14321 2016-02-27 Jakub Jelinek <jakub@redhat.com>
14323 PR rtl-optimization/69896
14324 * tree-vect-generic.c (get_compute_type): Avoid single element
14327 2016-02-26 Evandro Menezes <e.menezes@samsung.com>
14329 Rename the AArch64 tuning option and related functions to enable the
14330 Newton series for the reciprocal square root to reflect its
14331 approximative characteristic.
14333 * config/aarch64/aarch64-protos.h (aarch64_emit_swrsqrt): Rename
14334 function to "aarch64_emit_approx_rsqrt".
14335 * config/aarch64/aarch64-tuning-flags.def: Rename tuning flag to
14336 AARCH64_EXTRA_TUNE_APPROX_RSQRT.
14337 * config/aarch64/aarch64.c (exynosm1_tunigs): Use new flag name.
14338 (xgene1_tunings): Likewise.
14339 (use_rsqrt_p): Likewise.
14340 (aarch64_emit_swrsqrt): Use new function name.
14341 * config/aarch64/aarch64-simd.md (aarch64_rsqrts_*): Likewise.
14342 * config/aarch64/aarch64.opt (mlow-precision-recip-sqrt): Reword the
14343 text explaining this option.
14344 * doc/invoke.texi (-mlow-precision-recip-sqrt): Likewise.
14346 2016-02-26 Jakub Jelinek <jakub@redhat.com>
14349 * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
14350 complain about -mallow-movmisalign without -mvsx if
14351 TARGET_ALLOW_MOVMISALIGN was not set explicitly.
14353 2016-02-26 Joel Sherrill <joel@rtems.org>
14355 * config.gcc: Add x86_64-*-rtems*.
14356 * config/i386/rtems-64.h: New file.
14358 2016-02-26 Joel Sherrill <joel@rtems.org>
14360 * config.gcc: Add aarch64-*-rtems*.
14361 * config/aarch64/rtems.h: New file.
14363 2016-02-26 Segher Boessenkool <segher@kernel.crashing.org>
14366 * config/rs6000/rs6000.c (rs6000_insn_for_shift_mask): Print rlwinm
14367 shift amount using %h. Add comment.
14369 2016-02-26 Richard Biener <rguenther@suse.de>
14370 Jeff Law <law@redhat.com>
14372 PR tree-optimization/69740
14373 * cfghooks.c (remove_edge): Request loop fixups if we delete
14374 an edge that might turn an irreducible loop into a natural
14377 2016-02-26 Martin Jambor <mjambor@suse.cz>
14379 PR middle-end/69920
14380 * tree-sra.c (sra_modify_assign): Do not remove loads of
14381 uninitialized aggregates to SSA_NAMEs.
14383 2016-02-26 Richard Henderson <rth@redhat.com>
14386 * config/s390/s390.md (risbg and risbgn splitters): Allocate new
14387 pseudo in case the target rtx matches the source of the left
14390 2016-02-26 Martin Jambor <mjambor@suse.cz>
14393 * hsa.h (hsa_type_packed_p): Declare.
14394 * hsa.c (hsa_type_packed_p): New function.
14395 * hsa-gen.c (mem_type_for_type): Use unsigned type for packed
14397 (gen_hsa_insns_for_store): Use hsa_type_packed_p.
14398 * hsa-brig.c (emit_basic_insn): Likewise.
14400 2016-02-26 Martin Jambor <mjambor@suse.cz>
14403 * hsa-gen.c (gen_hsa_phi_from_gimple_phi): Use proper hsa type for
14405 (gen_hsa_addr): Allow integer constants in TMR_INDEX2.
14407 2016-02-26 Martin Jambor <mjambor@suse.cz>
14409 * hsa.h (is_a_helper): New overload for hsa_op_immed for
14410 hsa_op_with_type operands.
14411 (hsa_unsigned_type_for_type): Declare.
14412 * hsa.c (hsa_unsigned_type_for_type): New function.
14413 * hsa-gen.c (gen_hsa_binary_operation): Use hsa_unsigned_type_for_type.
14414 (gen_hsa_insns_for_operation_assignment): Satisfy constrains of
14415 the finalizer. Do not emit extra move.
14417 2016-02-26 Martin Jambor <mjambor@suse.cz>
14419 * hsa-gen.c (gen_hsa_ternary_atomic_for_builtin): Fail in presence of
14420 atomic operations in private segment.
14422 2016-02-26 Martin Jambor <mjambor@suse.cz>
14424 * omp-low.c (grid_find_ungridifiable_statement): Store problematic
14425 statements to wi->info. Also disallow omp simd constructs.
14426 (grid_target_follows_gridifiable_pattern): Use wi.info to dump reason
14427 for not gridifying. Dump special string for omp_for.
14429 2016-02-26 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
14432 * config/aarch64/aarch64.c (aarch64_set_current_function):
14433 Save/restore target globals when switching to
14434 target_option_default_node.
14436 2016-02-26 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
14439 * config/aarch64/aarch64.c (aarch64_shift_truncation_mask):
14440 Return 0 if !SHIFT_COUNT_TRUNCATED.
14442 2016-02-26 Jakub Jelinek <jakub@redhat.com>
14443 Eric Botcazou <ebotcazou@adacore.com>
14445 PR rtl-optimization/69891
14446 * dse.c (scan_insn): If we can't figure out memset arguments
14447 or they are non-constant, call clear_rhs_from_active_local_stores.
14449 2016-02-26 Martin Liska <mliska@suse.cz>
14451 * doc/extend.texi: Mention clog10, clog10f an clog10l
14452 in Builtins section.
14454 2016-02-26 Martin Liska <mliska@suse.cz>
14456 * dwarf2out.c (new_loc_descr): Replace ENABLE_CHECKING with
14458 (resolve_args_picking_1): Likewise.
14459 * dwarf2out.h (struct GTY): Likewise.
14461 2016-02-26 Martin Liska <mliska@suse.cz>
14463 * hsa-gen.c (generate_hsa): Replace ENABLE_CHECKING macro
14464 with flag_checking.
14465 * hsa-regalloc.c (linear_scan_regalloc): Likewise.
14467 2016-02-26 Markus Trippelsdorf <markus@trippelsdorf.de>
14468 Martin Liska <mliska@suse.cz>
14470 * doc/install.texi: Mention --enable-valgrind-annotations.
14472 2016-02-26 Richard Biener <rguenther@suse.de>
14474 PR tree-optimization/69551
14475 * tree-ssa-structalias.c (get_constraint_for_ssa_var): When
14476 looking through aliases adjust DECL_PT_UID to refer to the
14477 ultimate alias target.
14479 2016-02-25 Martin Liska <mliska@suse.cz>
14481 PR middle-end/69919
14482 * alloc-pool.c (after_memory_report): New variable.
14483 * alloc-pool.h (base_pool_allocator ::release): Do not use
14484 the infrastructure if after_memory_report.
14485 * toplev.c (toplev::main): Mark after memory report.
14487 2016-02-25 Richard Biener <rguenther@suse.de>
14489 PR tree-optimization/48795
14490 * tree-vrp.c (check_array_ref): Use array_at_struct_end_p.
14492 2016-02-25 Ilya Verbin <ilya.verbin@intel.com>
14495 * config/gnu-user.h (CRTOFFLOADBEGIN): Define. Add crtoffloadbegin.o if
14496 offloading is enabled and -fopenacc or -fopenmp is specified.
14497 (CRTOFFLOADEND): Likewise.
14498 (GNU_USER_TARGET_STARTFILE_SPEC): Add CRTOFFLOADBEGIN.
14499 (GNU_USER_TARGET_ENDFILE_SPEC): Add CRTOFFLOADEND.
14500 * lto-wrapper.c (offloadbegin, offloadend): Remove static vars.
14501 (offload_objects_file_name): New static var.
14502 (tool_cleanup): Remove offload_objects_file_name file.
14503 (find_offloadbeginend): Replace with ...
14504 (find_crtoffloadtable): ... this.
14505 (run_gcc): Remove offload_argc and offload_argv.
14506 Get offload_objects_file_name from -foffload-objects=... option.
14507 Read names of object files with offload from this file, pass them to
14508 compile_images_for_offload_targets. Don't call find_offloadbeginend and
14509 don't pass offloadbegin and offloadend to the linker. Don't pass
14510 offload non-LTO files to the linker, because now they're not claimed.
14512 2016-02-25 Jan Hubicka <hubicka@ucw.cz>
14515 * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
14516 on builtin_unreachable.
14518 2016-02-25 Jakub Jelinek <jakub@redhat.com>
14520 PR rtl-optimization/69896
14521 * regcprop.c: Include cfgrtl.h.
14522 (copyprop_hardreg_forward_1): If noop_p insn uses narrower
14523 than remembered mode, either delete it (if noop_move_p), or
14524 treat like copy_p but not noop_p instruction.
14526 2016-02-24 Jakub Jelinek <jakub@redhat.com>
14529 * dwarf2out.c (gen_variable_die): Work around buggy LTO
14530 - allow NULL decl for Fortran DW_TAG_common_block variables.
14532 2016-02-24 Jason Merrill <jason@redhat.com>
14534 * common.opt (flifetime-dse): Add -flifetime-dse=1.
14536 2016-02-24 Richard Biener <rguenther@suse.de>
14537 Jakub Jelinek <jakub@redhat.com>
14539 PR middle-end/69760
14540 * tree-scalar-evolution.c (interpret_rhs_expr): Re-write
14541 conditionally executed ops to well-defined overflow behavior.
14543 2016-02-24 Jakub Jelinek <jakub@redhat.com>
14545 PR middle-end/69915
14546 * tree.c (build_vector_from_ctor): Fix handling of VECTOR_CST
14549 2016-02-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
14551 PR rtl-optimization/69886
14552 * gcse.c (can_assign_to_reg_without_clobbers_p): Accept mode
14553 argument. Use it when checking validity of set instructions.
14554 (want_to_gcse_p): Pass mode to can_assign_to_reg_without_clobbers_p.
14555 (compute_ld_motion_mems): Update can_assign_to_reg_without_clobbers_p
14557 * rtl.h (can_assign_to_reg_without_clobbers_p): Update prototype.
14558 * store-motion.c (find_moveable_store): Update
14559 can_assign_to_reg_without_clobbers_p callsite.
14561 2016-02-24 Richard Biener <rguenther@suse.de>
14563 PR middle-end/68963
14564 * tree-ssa-loop-niter.c (derive_constant_upper_bound_ops): Fix
14566 (record_nonwrapping_iv): Do not fall back to the low/high bound
14567 for non-constant IV bases if the stmt is not always executed.
14569 2016-02-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
14571 * config/arm/arm-cores.def (cortex-a32): New entry.
14572 * config/arm/arm-tables.opt: Regenerate.
14573 * config/arm/arm-tune.md: Regenerate.
14574 * config/arm/bpabi.h (BE8_LINK_SPEC): Add mcpu=cortex-a32.
14575 * config/arm/t-aprofile: Handle mcpu=cortex-a32.
14576 * doc/invoke.texi (ARM Options): Document cortex-a32 as value
14577 for -mcpu and -mtune.
14579 2016-02-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
14582 * config/arm/arm.h (TARGET_HAVE_LPAE): Define.
14583 * config/arm/unspecs.md (VUNSPEC_LDRD_ATOMIC): New value.
14584 * config/arm/sync.md (arm_atomic_loaddi2_ldrd): New pattern.
14585 (atomic_loaddi_1): Delete.
14586 (atomic_loaddi): Rewrite expander using the above changes.
14588 2016-02-24 Jakub Jelinek <jakub@redhat.com>
14591 * params.def (PARAM_MAX_SSA_NAME_QUERY_DEPTH): Bump default from
14594 2016-02-24 Jakub Jelinek <jakub@redhat.com>
14595 Richard Biener <rguenth@suse.de>
14597 PR middle-end/69909
14598 * expr.c (expand_expr_real_1) <normal_inner_ref>: Avoid
14599 set_mem_attributes if tem is SSA_NAME which got expanded
14602 2016-02-24 Richard Biener <rguenther@suse.de>
14604 PR tree-optimization/69907
14605 * tree-vect-stmts.c (vectorizable_load): Check for gaps at the
14606 end of permutations for BB vectorization.
14608 2016-02-24 Christian Bruel <christian.bruel@st.com>
14610 * config/arm/arm-c.c (arm_option_override): Initialize
14611 target_option_current_node.
14612 * config/arm/arm.c (arm_pragma_target_parse): Replace
14613 build_target_option_node call by target_option_current_node.
14614 Set target_option_current_node.
14617 2016-02-23 David Edelsohn <dje.gcc@gmail.com>
14620 * config/rs6000/rs6000.md (zero_extendqi<mode>2_dot): Convert from
14621 define_insn_and_split to define_insn.
14622 (zero_extendqi<mode>2_dot2): Same.
14623 (extendqi<mode>2_dot): Same.
14624 (extendqi<mode>2_dot2): Same.
14626 2016-02-23 Evandro Menezes <e.menezes@samsung.com>
14628 * config/arm/exynos-m1.md: Change cost of STP, fix bypass for stores
14629 and add bypass for AES{D,E} and AESMC pairs.
14630 * config/aarch64/aarch64.c (exynosm1_tunings): Enable fusion of AES{D,E}
14633 2016-02-23 Evandro Menezes <e.menezes@samsung.com>
14635 * config/aarch64/aarch64.c (exynosm1_tunings): Enable the Newton
14636 series for reciprocal square root in Exynos M1.
14638 2016-02-23 Martin Sebor <msebor@redhat.com>
14641 * doc/extend.texi (Other Builtins): Document __builtin_alloca and
14642 __builtin_alloca_with_align.
14644 2016-02-23 Richard Henderson <rth@redhat.com>
14646 * config/i386/i386-c.c (ix86_target_macros): Remove __SEG_TLS.
14647 (ix86_register_pragmas): Remove __seg_tls.
14648 * config/i386/i386-protos.h (ADDR_SPACE_SEG_TLS): Remove.
14649 * config/i386/i386.c (ix86_print_operand_address_as): Don't handle it.
14650 (ix86_addr_space_subset_p, TARGET_ADDR_SPACE_SUBSET_P): Remove.
14651 (ix86_addr_space_convert, TARGET_ADDR_SPACE_CONVERT): Remove.
14652 (ix86_addr_space_debug, TARGET_ADDR_SPACE_DEBUG): Remove.
14653 * doc/extend.texi (__seg_tls): Remove item.
14655 2016-02-23 Richard Biener <rguenther@suse.de>
14657 * alloc-pool.h (struct allocation_object): Make id member
14658 conditional on CHECKING_P again.
14659 (get_instance): Adjust.
14660 (base_pool_allocator): Likewise.
14662 2016-02-23 Thomas Schwinge <thomas@codesourcery.com>
14664 * tree-parloops.c (create_parallel_loop, gen_parallel_loop)
14665 (parallelize_loops): In OpenACC kernels mode, set n_threads to
14667 (pass_parallelize_loops::gate): In OpenACC kernels mode, gate on
14669 * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
14671 2016-02-23 Richard Biener <rguenther@suse.de>
14673 * mem-stats.h (struct mem_usage): Use PRIu64 for printing size_t.
14674 * bitmap.h (struct bitmap_usage): Likewise.
14675 (bitmap_move): Declare.
14676 * bitmap.c (register_overhead): Take size_t argument.
14677 (bitmap_move): New function.
14678 * df-problems.c (df_rd_transfer_function): Use bitmap_move
14679 to properly account overhead.
14680 * tree.c (free_node): Use tree_size.
14682 2016-02-23 Jakub Jelinek <jakub@redhat.com>
14685 * fold-const.c (fold_truth_not_expr): Propagate TREE_NO_WARNING
14686 when inverting comparison.
14689 * common.opt (Wunreachable-code): Add Warning flag.
14691 2016-02-23 Mark Wielaard <mjw@redhat.com>
14692 Jakub Jelinek <jakub@redhat.com>
14695 * cgraphunit.c (check_global_declaration): Check main_input_filename
14696 and DECL_SOURCE_FILE are not NULL.
14698 2016-02-23 Martin Jambor <mjambor@suse.cz>
14700 PR tree-optimization/69666
14701 * tree-sra.c (sra_modify_assign): Do not attempt to create
14702 default_def replacements for unscalarizable regions.
14704 2016-02-20 Mark Wielaard <mjw@redhat.com>
14707 * cgraphunit.c (check_global_declaration): Check level of
14708 warn_unused_const_variable and main_input_filename.
14709 * doc/invoke.texi (Warning Options): Add -Wunused-const-variable=.
14710 (-Wunused-variable): For C implies -Wunused-const-variable=1.
14711 (-Wunused-const-variable): Explain levels 1 and 2.
14713 2016-02-22 Jakub Jelinek <jakub@redhat.com>
14716 * config/i386/i386.c (decide_alg): Ensure we don't recurse with
14717 identical arguments. Formatting and spelling fixes.
14720 * doc/md.texi (ashl@var{m}3): Document that mode of operand 2 must
14725 * config/m68k/t-opts (OPTIONS_H_EXTRA): Add m68k-microarchs.def
14726 and m68k-devices.def.
14727 * config/c6x/t-c6x (OPTIONS_H_EXTRA): Add c6x-isas.def.
14728 * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add aarch64-arches.def.
14730 2016-02-22 Cesar Philippidis <cesar@codesourcery.com>
14732 * config/nvptx/nvptx.c (nvptx_gen_shuffle): Add support for QImode
14733 and HImode registers.
14735 2016-02-22 Richard Biener <rguenther@suse.de>
14737 PR tree-optimization/69882
14738 * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Properly
14739 preserve permutations present because of gaps.
14740 (vect_supported_load_permutation_p): Always continue checking
14741 permutations after vect_attempt_slp_rearrange_stmts.
14743 2016-02-22 Bin Cheng <bin.cheng@arm.com>
14745 * tree-vect-loop.c (vect_estimate_min_profitable_iters): Dump
14746 min_profitable_estimate, rather than min_profitable_iters.
14748 2016-02-22 Jakub Jelinek <jakub@redhat.com>
14751 * config/m68k/m68k.md (ashldi3, ashrdi3, lshrdi3): Use
14752 SImode for last match_operand.
14754 2016-02-22 Martin Liska <mliska@suse.cz>
14756 * hsa-gen.c (gen_hsa_clrsb): In case of zero value,
14757 return bitsize - 1 as the return value.
14759 2016-02-22 Oleg Endo <olegendo@gcc.gnu.org>
14763 * config/sh/sh.c (sh_lshrsi_clobbers_t_reg_p, sh_dynamicalize_shift_p):
14764 Handle negative shift counts.
14765 * config/sh/sh.md (ashlsi3, lshrsi3_n, lshrsi3_n_clobbers_t): Don't use
14766 force_reg on the shift constant.
14767 (lshrsi3): Likewise. Expand into lshrsi3_n* instead of lshrsi3_d.
14768 (lshrsi3_d): Handle negative shift counts.
14770 2016-02-22 Richard Biener <rguenther@suse.de>
14771 Tom de Vries <tom@codesourcery.com>
14773 * graph.c: Include dumpfile.h.
14774 (print_graph_cfg): Split into three overloads.
14775 * gdbhooks.py (class DotFn): Add and instantiate, adding command dot-fn.
14777 2016-02-22 Tom de Vries <tom@codesourcery.com>
14779 * gdbhooks.py (class DumpFn): Add and instantiate, adding command
14782 2016-02-22 Richard Biener <rguenther@suse.de>
14785 * ipa-inline-transform.c (inline_call): When not updating
14786 overall summaries adjust self size by the growth estimate.
14787 * ipa-inline.c (inline_to_all_callers_1): Add to the callers
14788 hash-set, do not update overall summaries here. Renamed from ...
14789 (inline_to_all_callers): ... this which is now wrapping the
14790 above and performing delayed overall summary update.
14791 (early_inline_small_functions): Delay updating of the overall
14794 2016-02-21 Markus Trippelsdorf <markus@trippelsdorf.de>
14796 * tree-chkp.c (chkp_mark_invalid_bounds_walker): Initialize
14799 2016-02-19 Jakub Jelinek <jakub@redhat.com>
14802 * gcc.c (LINK_COMMAND_SPEC, GOMP_SELF_SPECS): Use
14803 :%* in %:gt() argument.
14804 (greater_than_spec_func): Adjust for expecting only numbers,
14805 if there are more than two numbers, compare the last two.
14807 2016-02-19 Jonathan Wakely <jwakely@redhat.com>
14809 * doc/invoke.texi (C++ Dialect Options): Clarify interaction of
14810 -Wnarrowing with -std.
14812 2016-02-19 Jakub Jelinek <jakub@redhat.com>
14815 * expr.c (store_field): Don't use bit-field path if exp is
14816 COMPONENT_REF with TREE_ADDRESSABLE type, where TYPE_SIZE is
14817 different from bitsize, but DECL_SIZE of FIELD_DECL is bitsize
14818 and the assignment can be performed by bitwise copy. Formatting
14821 PR middle-end/69838
14822 * lra.c (lra_process_new_insns): If non-call exceptions are enabled,
14823 call copy_reg_eh_region_note_forward on before and/or after sequences
14824 and remove note from insn if it no longer can throw.
14827 * config/i386/sse.md (VI_512): Only include V64QImode and V32HImode
14828 if TARGET_AVX512BW.
14830 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
14832 * config/s390/vector.md: Add missing commutative operand markers
14833 to the patterns which qualify for one.
14834 * config/s390/vx-builtins.md: Likewise.
14836 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
14838 * config/s390/vector.md (VI, VI_QHS): Add single element vector
14839 types to mode iterators.
14840 (vec_double): ... and mode attribute.
14841 * config/s390/vx-builtins.md (non_vec_int): Likewise.
14843 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
14845 * config/s390/vector.md ("<ti*>add<mode>3", "<ti*>sub<mode>3"):
14846 Change the predicate of op2 from nonimmediate to general and let
14847 reload fix it if necessary.
14849 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
14851 * config/s390/vecintrin.h (vec_sub_u128): Define missing macro.
14853 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
14855 * config/s390/s390.c (s390_expand_vcond): Use the compare operand
14858 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
14860 * config/s390/s390-protos.h: Add s390_expand_vec_movstr prototype.
14861 * config/s390/s390.c (s390_expand_vec_movstr): New function.
14862 * config/s390/s390.md ("movstr<P:mode>"): Call
14863 s390_expand_vec_movstr.
14865 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
14867 * config/s390/s390.md: Add missing output modifier for operand 1
14868 to print it as address properly.
14870 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
14872 * config/s390/2827.md: Rename ooo_* insn attributes to zEC12_*.
14873 * config/s390/2964.md: New file.
14874 * config/s390/s390.c (s390_get_sched_attrmask): Use the right set
14875 of insn grouping attributes depending on the CPU level.
14876 (s390_get_unit_mask): New function.
14877 (s390_sched_score): Remove the OOO from the scheduling macros.
14878 Add loop to calculate a score for the instruction mix.
14879 (s390_sched_reorder): Likewise plus improve debug output.
14880 (s390_sched_variable_issue): Rename macros as above. Calculate
14881 the unit distances after actually scheduling an insn. Improve
14883 (s390_sched_init): Clear last_scheduled_unit_distance array.
14884 * config/s390/s390.md: Include 2964.md.
14886 2016-02-18 Jakub Jelinek <jakub@redhat.com>
14889 * config/i386/sse.md (*<floatsuffix>floatv2div2sf2_mask_1,
14890 *avx512vl_<code>v2div2qi2_mask_1, *avx512vl_<code><mode>v4qi2_mask_1,
14891 *avx512vl_<code><mode>v8qi2_mask_1, *avx512vl_<code><mode>v4hi2_mask_1,
14892 *avx512vl_<code>v2div2hi2_mask_1, *avx512vl_<code>v2div2si2_mask_1,
14893 *avx512f_<code>v8div16qi2_mask_1): New insns.
14895 2016-02-18 Michael Meissner <meissner@linux.vnet.ibm.com>
14898 * config/rs6000/predicates.md (fusion_gpr_addis): Revert
14901 * config/rs6000/rs6000.md (fusion_gpr_load_<mode>): Remove
14902 earlyclobber from target. Use wF constraint for fused memory
14904 (fusion_gpr_<P:mode>_<GPR_FUSION:mode>_load): Likewise.
14906 2016-02-18 Jakub Jelinek <jakub@redhat.com>
14907 Martin Liska <mliska@suse.cz>
14910 * cfgexpand.c (asan_sanitize_stack_p): New function.
14911 (partition_stack_vars): Use the function.
14912 (expand_stack_vars): Likewise.
14913 (defer_stack_allocation): Likewise.
14914 (expand_used_vars): Likewise.
14916 2016-02-18 Richard Biener <rguenther@suse.de>
14918 PR middle-end/69553
14919 * fold-const.c (operand_equal_p): Properly compare offsets for
14920 IMAGPART_EXPR and ARRAY_REF.
14922 2016-02-18 Nick Clifton <nickc@redhat.com>
14926 * config/arm/arm.c (arm_option_override_internal): Disable
14927 interworking if the target does not support thumb instructions.
14928 (arm_reload_in_hi): Handle the case where a register to register
14929 move needs reloading because there is no simple pattern to handle
14931 (arm_reload_out_hi): Likewise.
14933 2016-02-18 Richard Biener <rguenther@suse.de>
14935 PR middle-end/69854
14936 * match.pd: Don't use fold_binary or fold_unary for folding
14939 2016-02-17 Jakub Jelinek <jakub@redhat.com>
14942 * gimplify.c (gimplify_cond_expr): Call gimple_set_no_warning
14943 on the cond_stmt from TREE_NO_WARNING on COND_EXPR_COND.
14944 * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Don't
14945 warn on gimple_no_warning_p statements.
14947 2016-02-17 Jonathan Wakely <jwakely@redhat.com>
14949 * doc/extend.texi (C++ Attributes): Correct description of
14950 warn_unused type attribute.
14952 2016-02-17 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
14954 * config/rs6000/altivec.md (*altivec_lvxl_<mode>_internal): Output
14955 correct instruction.
14957 2016-02-17 Richard Biener <rguenther@suse.de>
14959 PR rtl-optimization/69609
14960 * bb-reorder.c (struct bbro_basic_block_data): Add priority member.
14961 (find_traces_1_round): When ending a trace update cached priority
14963 (bb_to_key): Use cached priority when available.
14964 (copy_bb): Initialize cached priority.
14965 (reorder_basic_blocks_software_trace_cache): Likewise.
14967 2016-02-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
14970 * config/aarch64/predicates.md (aarch64_comparison_operator_mode):
14972 (aarch64_comparison_operator): Break overly long line into two.
14973 (aarch64_comparison_operation): Likewise.
14974 * config/aarch64/aarch64.md (cstorecc4): Use
14975 aarch64_comparison_operator_mode instead of
14976 aarch64_comparison_operator.
14977 (cstore<mode>4): Likewise.
14978 (aarch64_cstore<mode>): Likewise.
14979 (*cstoresi_insn_uxtw): Likewise.
14980 (cstore<mode>_neg): Likewise.
14981 (*cstoresi_neg_uxtw): Likewise.
14983 2016-02-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
14986 * config/arm/predicates.md (arm_comparison_operator_mode):
14988 * config/arm/arm.md (*mov_scc): Use arm_comparison_operator_mode
14989 instead of arm_comparison_operator.
14990 (*mov_negscc): Likewise.
14991 (*mov_notscc): Likewise.
14992 * config/arm/thumb2.md (*thumb2_mov_scc): Likewise.
14993 (*thumb2_mov_negscc): Likewise.
14994 (*thumb2_mov_negscc_strict_it): Likewise.
14995 (*thumb2_mov_notscc): Likewise.
14996 (*thumb2_mov_notscc_strict_it): Likewise.
14998 2016-02-17 Wilco Dijkstra <wdijkstr@arm.com>
15000 * config/aarch64/aarch64.c (aarch64_internal_mov_immediate):
15001 Add missing return.
15003 2016-02-17 Eric Botcazou <ebotcazou@adacore.com>
15005 * config/visium/visium.c (machine_libfunc_index): New enum.
15006 (machine_libfuncs): New structure.
15007 (visium_libfuncs): New static variable.
15008 (TARGET_INIT_LIBFUNCS): Define to...
15009 (visium_init_libfuncs): ...this. New function.
15010 (expand_block_move_4): Use the appropriate libfunc.
15011 (expand_block_move_2): Likewise.
15012 (expand_block_move_1): Likewise.
15013 (expand_block_set_4): Likewise.
15014 (expand_block_set_2): Likewise.
15015 (expand_block_set_1): Likewise.
15016 (visium_trampoline_init): Likewise.
15018 2016-02-17 Nick Clifton <nickc@redhat.com>
15020 * config/msp430/msp430.c (msp430_mcu_data): Sync with data from
15021 TI's devices.csv file as of March 2016.
15023 2016-02-16 Kelvin Nilsen <kelvin@gcc.gnu.org>
15026 * opts-global.c (handle_common_deferred_options): Introduce and
15027 initialize two global variables to remember command-line options
15028 specifying a stack-limiting register.
15029 * opts.h: Add extern declarations of the two new global variables.
15030 * emit-rtl.c (init_emit_once): Initialize the stack_limit_rtx
15031 variable based on the values of the two new global variables.
15033 2016-02-16 Jakub Jelinek <jakub@redhat.com>
15036 * common.opt (Wnonnull-compare): New warning.
15037 * doc/invoke.texi (-Wnonnull): Remove text about comparison
15038 of arguments against NULL.
15039 (-Wnonnull-compare): Document.
15040 * Makefile.in (OBJS): Add gimple-ssa-nonnull-compare.o.
15041 * tree-pass.h (make_pass_warn_nonnull_compare): Declare.
15042 * passes.def (pass_warn_nonnull_compare): Add.
15043 * gimple-ssa-nonnull-compare.c: New file.
15045 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
15047 * config/aarch64/aarch64.c (cortexa57_tunings): Remove
15048 AARCH64_EXTRA_TUNE_RECIP_SQRT.
15050 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
15052 * config/aarch64/aarch64.c (use_rsqrt_p): Always use software
15053 reciprocal sqrt for -mlow-precision-recip-sqrt.
15055 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
15056 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
15058 * config/aarch64/aarch64.c (aarch64_expand_vector_init): Refactor,
15059 always use lane loads to construct non-constant vectors.
15061 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
15063 * config/aarch64/aarch64.md
15064 (arch64_sqrdml<SQRDMLH_AS:rdma_as>h_lane<mode>): Fix register
15065 constraints for operand 3.
15066 (aarch64_sqrdml<SQRDMLH_AS:rdma_as>h_laneq<mode>): Likewise.
15068 2016-02-16 Jakub Jelinek <jakub@redhat.com>
15069 Richard Biener <rguenther@suse.de>
15071 PR tree-optimization/69820
15072 * tree-vect-patterns.c (type_conversion_p): Return false if
15073 *orig_type is unsigned single precision or boolean.
15074 (vect_recog_dot_prod_pattern, vect_recog_widen_mult_pattern):
15077 2016-02-16 Jakub Jelinek <jakub@redhat.com>
15079 PR rtl-optimization/69764
15080 PR rtl-optimization/69771
15081 * optabs.c (expand_binop): Ensure for shift optabs invalid CONST_INT
15082 op1 is valid for GET_MODE_INNER (mode) and force it into a reg.
15084 2016-02-16 Richard Biener <rguenther@suse.de>
15086 PR tree-optimization/69776
15087 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Get alias
15089 (indirect_refs_may_alias_p): Likewise.
15090 (refs_may_alias_p_1): Pass alias sets as from ao_ref.
15091 * tree-ssa-sccvn.c (vn_reference_lookup): Also adjust vr alias-set
15092 according to tbaa_p.
15093 * tree-ssa-dom.c (lookup_avail_expr): Add tbaa_p flag.
15094 (optimize_stmt): For redundant store discovery do not allow tbaa.
15096 2016-02-16 Bernd Schmidt <bschmidt@redhat.com>
15098 PR tree-optimization/69714
15099 * tree-ssa-math-opts.c (find_bswap_or_nop): Revert previous change.
15100 Return NULL if we have irrelevant high bytes on BIG_ENDIAN.
15102 2016-02-16 Claudiu Zissulescu <claziss@synopsys.com>
15104 * config/arc/arc-modes.def (CC_FPU, CC_FPU_UNEQ): New modes.
15105 * config/arc/arc-opts.h (FPU_SP, FPU_SF, FPU_SC, FPU_SD, FPU_DP)
15106 (FPU_DF, FPU_DC, FPU_DD, FXP_DP): Define.
15107 * config/arc/arc.c (arc_init): Check FPU options.
15108 (get_arc_condition_code): Handle new CC_FPU* modes.
15109 (arc_select_cc_mode): Likewise.
15110 (arc_conditional_register_usage): Allow 64 bit datum into even-odd
15111 register pair only. Allow access for ARCv2 accumulator.
15112 (gen_compare_reg): Whenever we have FPU support use FPU compare
15114 (arc_reorg): Don't generate brcc insns when FPU compare
15115 instructions are involved.
15116 * config/arc/arc.h (TARGET_DPFP): Add TARGET_FP_DPAX condition.
15117 (TARGET_OPTFPE): Add condition when ARC EM can use optimized
15118 floating point emulation.
15119 (ACC_REG_FIRST, ACC_REG_LAST, ACCL_REGNO, ACCH_REGNO): Define.
15120 (REVERSE_CONDITION): Add new CC_FPU* modes.
15121 (TARGET_FP_SP_BASE): Define.
15122 (TARGET_FP_DP_BASE): Likewise.
15123 (TARGET_FP_SP_FUSED): Likewise.
15124 (TARGET_FP_DP_FUSED): Likewise.
15125 (TARGET_FP_SP_CONV): Likewise.
15126 (TARGET_FP_DP_CONV): Likewise.
15127 (TARGET_FP_SP_SQRT): Likewise.
15128 (TARGET_FP_DP_SQRT): Likewise.
15129 (TARGET_FP_DP_AX): Likewise.
15130 * config/arc/arc.md (ARCV2_ACC): New constant.
15131 (type): New fpu type attribute.
15132 (SDF): Conditional iterator.
15133 (cstore<mode>, cbranch<mode>): Change expand condition.
15134 (addsf3, subsf3, mulsf3, adddf3, subdf3, muldf3): New expands,
15135 handles FPU/FPX cases as well.
15136 * config/arc/arc.opt (mfpu): New option.
15137 * config/arc/fpx.md (addsf3_fpx, subsf3_fpx, mulsf3_fpx):
15139 (adddf3, muldf3, subdf3): Removed.
15140 * config/arc/predicates.md (proper_comparison_operator): Recognize
15142 * config/arc/fpu.md: New file.
15143 * doc/invoke.texi (ARC Options): Document mfpu option.
15145 2016-02-16 Richard Biener <rguenther@suse.de>
15147 PR rtl-optimization/69291
15148 * ifcvt.c (noce_try_store_flag_constants): Re-instantiate
15149 noce_operand_ok check.
15151 2016-02-16 Tom de Vries <tom@codesourcery.com>
15154 * omp-low.c (simd_clone_create): Remove call to
15155 symtab->call_cgraph_insertion_hooks.
15157 2016-02-16 Jakub Jelinek <jakub@redhat.com>
15159 PR tree-optimization/69802
15160 * tree-ssa-reassoc.c (update_range_test): If op is
15161 SSA_NAME_IS_DEFAULT_DEF, give up unless tem is a positive
15162 op == 1 test of precision 1 integral op, otherwise handle
15163 that case as op itself. Fix up formatting.
15164 (optimize_range_tests_to_bit_test, optimize_range_tests): Fix
15167 2016-02-16 Richard Biener <rguenther@suse.de>
15169 PR tree-optimization/69586
15170 * tree-vrp.c (register_edge_assert_for_2): Handle all integral
15171 types for conversion sources.
15173 2016-02-16 Richard Biener <rguenther@suse.de>
15175 PR middle-end/69801
15176 * fold-const.c (operand_equal_p): For COND_EXPR zero operand
15177 mask OEP_ADDRESS_OF.
15179 2016-02-16 Alan Modra <amodra@gmail.com>
15182 * config/rs6000/rs6000.md (reload_vsx_from_gprsf): Rewrite splitter.
15183 (p8_mtvsrd_df, p8_mtvsrd_sf): New.
15184 (p8_mtvsrd_1, p8_mtvsrd_2): Delete.
15186 (p8_mtvsrwz_1, p8_mtvsrwz_2): Delete.
15187 (p8_xxpermdi_<mode>): Take two DF inputs rather than one TF.
15188 (p8_fmrgow_<mode>): Likewise.
15189 (reload_vsx_from_gpr<mode>): Make clobber IF. Adjust for above
15191 (reload_fpr_from_gpr<mode>): Similarly. Use "d" for op0 constraint.
15192 (reload_vsx_from_gprsf): Use p8_mtvsrd_sf rather than attempting
15193 to use movdi_internal64. Remove op0_di.
15194 * config/rs6000/vsx.md (vsx_xscvspdpn_directmove): Make op1 SFmode.
15196 2016-02-15 Evandro Menezes <e.menezes@samsung.com>
15198 Add support for the FCCMP insn types
15200 * config/aarch64/aarch64.md (fccmp): Change insn type.
15201 (fccmpe): Likewise.
15202 * config/aarch64/thunderx.md (thunderx_fcmp): Add "fccmp{s,d}" types.
15203 * config/arm/cortex-a53.md (cortex_a53_fpalu): Likewise.
15204 * config/arm/cortex-a57.md (cortex_a57_fp_cmp): Likewise.
15205 * config/arm/xgene1.md (xgene1_fcmp): Likewise.
15206 * config/arm/exynos-m1.md (exynos_m1_fp_ccmp): New insn reservation.
15207 * config/arm/types.md (fccmps): Add new insn type.
15208 (fccmpd): Likewise.
15210 2016-02-15 Bernd Edlinger <bernd.edlinger@hotmail.de>
15212 * alias.c (get_alias_set): Fix a typo in comment.
15214 2016-02-15 Richard Biener <rguenther@suse.de>
15216 PR tree-optimization/69595
15217 * match.pd: Complete range test simplification to true.
15219 2016-02-15 Bernd Schmidt <bschmidt@redhat.com>
15221 PR rtl-optimization/69648
15222 * lra-constraints.c (update_ebb_live_info): Don't remove sets of
15223 pic_offset_table_rtx.
15225 PR rtl-optimization/69752
15226 * ira.c (update_equiv_regs): When looking for more than a single SET,
15227 also take other side effects into account.
15229 2016-02-15 Marcin Kościelnicki <koriakin@0x04.net>
15231 * config/s390/s390.c (s390_function_profiler): Add a new sequence
15232 for z900+ CPUs in 31-bit mode.
15234 2016-02-15 Marcin Kościelnicki <koriakin@0x04.net>
15236 * common/config/s390/s390-common.c (s390_supports_split_stack):
15238 (TARGET_SUPPORTS_SPLIT_STACK): New macro.
15239 * config/s390/s390-protos.h: Add s390_expand_split_stack_prologue.
15240 * config/s390/s390.c (struct machine_function): New field
15241 split_stack_varargs_pointer.
15242 (s390_register_info): Mark r12 as clobbered if it'll be used as temp
15243 in s390_emit_prologue.
15244 (s390_emit_prologue): Use r12 as temp if r1 is taken by split-stack
15246 (morestack_ref): New global.
15247 (SPLIT_STACK_AVAILABLE): New macro.
15248 (s390_expand_split_stack_prologue): New function.
15249 (s390_live_on_entry): New function.
15250 (s390_va_start): Use split-stack vararg pointer if appropriate.
15251 (s390_asm_file_end): Emit the split-stack note sections.
15252 (TARGET_EXTRA_LIVE_ON_ENTRY): New macro.
15253 * config/s390/s390.md (UNSPEC_STACK_CHECK): New unspec.
15254 (UNSPECV_SPLIT_STACK_CALL): New unspec.
15255 (UNSPECV_SPLIT_STACK_DATA): New unspec.
15256 (split_stack_prologue): New expand.
15257 (split_stack_space_check): New expand.
15258 (split_stack_data): New insn.
15259 (split_stack_call): New expand.
15260 (split_stack_call_*): New insn.
15261 (split_stack_cond_call): New expand.
15262 (split_stack_cond_call_*): New insn.
15264 2016-02-15 Richard Biener <rguenther@suse.de>
15266 PR tree-optimization/69783
15267 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
15268 Add trivially correct cases.
15270 2016-02-15 Tom de Vries <tom@codesourcery.com>
15273 * lto-cgraph.c (input_offload_tables): Add and handle bool parameter
15275 * lto-streamer.h (input_offload_tables): Add and handle bool parameter.
15277 2016-02-15 Richard Biener <rguenther@suse.de>
15279 PR tree-optimization/69776
15280 * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
15281 * tree-ssa-sccvn.c (vn_reference_lookup): Add parameter to
15282 indicate whether we can use TBAA to disambiguate against stores.
15283 Use alias-set zero if not.
15284 (visit_reference_op_store): Do not use TBAA when looking up
15286 * tree-ssa-pre.c (compute_avail): Use TBAA here.
15287 (eliminate_dom_walker::before_dom_children): But not when looking
15288 up redundant stores.
15290 2016-02-14 John David Anglin <danglin@gcc.gnu.org>
15292 * config/pa/pa.md (absqi2, absghi2, bswaphi2, bswapsi2, bswapdi2): New.
15294 2016-02-14 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
15296 * config/i386/znver1.md
15297 (znver1_pop, znver1_pop_mem,
15298 znver1_load_imov_double_store,
15299 znver1_load_imov_direct_store,
15300 znver1_load_imov_direct_load,
15301 znver1_load_imov_double_load): Add new.
15302 (znver1_insn, znver1_insn_load): Add icmov type.
15303 (znver1_sseavx_fma,
15304 znver1_sseavx_fma_load,
15306 znver1_avx256_fma_load): Fix pipe usage.
15308 2016-02-14 Alan Modra <amodra@gmail.com>
15311 * reloads.c (find_reloads_address_1): For pre/post-inc/dec
15312 with an invalid hard reg, reload just the reg not the entire
15313 pre/post-inc/dec address expression.
15315 2016-02-13 Oleg Endo <olegendo@gcc.gnu.org>
15318 * config/sh/sh.md (sibcall_value_pcrel): Replace =&k scratch reg with
15319 fixed R1_REG scratch reg.
15320 (sibcall_value_pcrel_fdpic): Likewise.
15322 2016-02-13 Oleg Endo <olegendo@gcc.gnu.org>
15326 * config/sh/sh.md (*zero_extract_3): New insn_and_split pattern.
15328 2016-02-12 Walter Lee <walt@tilera.com>
15330 * config/tilepro/t-tilepro: Replace CC_FOR_BUILD with CXX_FOR_BUILD.
15331 * config/tilegx/t-tilegx: Likewise.
15333 2016-02-12 David Malcolm <dmalcolm@redhat.com>
15336 * diagnostic-show-locus.c (struct line_span): New struct.
15337 (layout::get_first_line): Delete.
15338 (layout::get_last_line): Delete.
15339 (layout::get_num_line_spans): New member function.
15340 (layout::get_line_span): Likewise.
15341 (layout::print_heading_for_line_span_index_p): Likewise.
15342 (layout::get_expanded_location): Likewise.
15343 (layout::calculate_line_spans): Likewise.
15344 (layout::m_first_line): Delete.
15345 (layout::m_last_line): Delete.
15346 (layout::m_line_spans): New field.
15347 (layout::layout): Update comment. Replace m_first_line and
15348 m_last_line with m_line_spans, replacing their initialization
15349 with a call to calculate_line_spans.
15350 (diagnostic_show_locus): When printing source lines and
15351 annotations, rather than looping over a single span
15352 of lines, instead loop over each line_span within
15353 the layout, with an inner loop over the lines within them.
15354 Call the context's start_span callback when changing line spans.
15355 * diagnostic.c (diagnostic_initialize): Initialize start_span.
15356 (diagnostic_build_prefix): Break out the building of the location
15357 part of the string into...
15358 (diagnostic_get_location_text): ...this new function, rewriting
15359 it from nested ternary expressions to a sequence of "if"
15361 (default_diagnostic_start_span_fn): New function.
15362 * diagnostic.h (diagnostic_start_span_fn): New typedef.
15363 (diagnostic_context::start_span): New field.
15364 (default_diagnostic_start_span_fn): New prototype.
15366 2016-02-12 David Malcolm <dmalcolm@redhat.com>
15369 * gcc.c (driver::finalize): Fix cleanup of "specs".
15371 2016-02-12 David Malcolm <dmalcolm@redhat.com>
15375 * gcc.c (driver::driver): Initialize m_option_suggestions.
15376 (driver::~driver): Clean up m_option_suggestions.
15377 (suggest_option): Convert to...
15378 (driver::suggest_option): ...this, and split out into
15379 driver::build_option_suggestions and find_closest_string.
15380 (driver::build_option_suggestions): New function, from
15381 first half of suggest_option. Special-case
15382 OPT_fsanitize_ and OPT_fsanitize_recover_, making use of
15383 the sanitizer_opts array. For options of enum types, add the
15384 various enum values to the candidate strings.
15385 (driver::handle_unrecognized_options): Remove "const".
15386 * gcc.h (driver::handle_unrecognized_options): Likewise.
15387 (driver::build_option_suggestions): New decl.
15388 (driver::suggest_option): New decl.
15389 (driver::m_option_suggestions): New field.
15390 * opts-common.c (add_misspelling_candidates): New function.
15391 * opts.c (sanitizer_opts): Remove decl of struct sanitizer_opts_s
15392 and make non-static.
15393 * opts.h (sanitizer_opts): New array decl.
15394 (add_misspelling_candidates): New function decl.
15395 * spellcheck.c (find_closest_string): New function.
15396 * spellcheck.h (find_closest_string): New function decl.
15398 2016-02-12 Jakub Jelinek <jakub@redhat.com>
15400 PR rtl-optimization/69764
15401 PR rtl-optimization/69771
15402 * optabs.c (expand_binop_directly): For shift_optab_p, force
15403 convert_modes with VOIDmode if xop1 has VOIDmode.
15405 2016-02-12 Ilya Enkovich <enkovich.gnu@gmail.com>
15408 * lto-streamer-out.c (lto_output): Use thunk.add_pointer_bounds_args
15409 to correctly determine instrumentation thunks.
15411 2016-02-12 Jakub Jelinek <jakub@redhat.com>
15414 * ipa-split.c (split_function): If split part returns TREE_ADDRESSABLE
15415 type by reference, force lhs on the call.
15418 * ipa-split.c (split_function): Don't compute/use main_part_return_p.
15419 Compute retval and retbnd early in all cases if split_part_return_p
15420 and return_bb is not EXIT. Remove all clobber stmts and reset
15421 all debug stmts that refer to SSA_NAMEs defined in split part,
15422 except if it is retval, in that case replace the old retval with the
15423 lhs of the call to the split part.
15425 2016-02-12 Kugan Vivekanandarajah <kuganv@linaro.org>
15428 2016-02-12 Kugan Vivekanandarajah <kuganv@linaro.org>
15430 PR middle-end/66726
15431 * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
15432 whose result is used in PHI.
15433 (maybe_optimize_range_tests): Likewise.
15434 (final_range_test_p): Likweise.
15436 2016-02-12 Kugan Vivekanandarajah <kuganv@linaro.org>
15438 PR middle-end/66726
15439 * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
15440 whose result is used in PHI.
15441 (maybe_optimize_range_tests): Likewise.
15442 (final_range_test_p): Likweise.
15444 2016-02-12 Jakub Jelinek <jakub@redhat.com>
15446 * cgraph.c: Spelling fixes - behaviour -> behavior and
15447 neighbour -> neighbor.
15448 * target.def: Likewise.
15449 * sel-sched.c: Likewise.
15450 * config/mips/mips.c: Likewise.
15451 * config/arc/arc.md: Likewise.
15452 * config/arm/cortex-a57.md: Likewise.
15453 * config/arm/arm.c: Likewise.
15454 * config/arm/neon.md: Likewise.
15455 * config/arm/arm-c.c: Likewise.
15456 * config/vms/vms-c.c: Likewise.
15457 * config/s390/s390.c: Likewise.
15458 * config/i386/znver1.md: Likewise.
15459 * config/i386/i386.c: Likewise.
15460 * config/ia64/hpux-unix2003.h: Likewise.
15461 * config/msp430/msp430.md: Likewise.
15462 * config/rx/rx.c: Likewise.
15463 * config/rx/rx.md: Likewise.
15464 * config/aarch64/aarch64-simd.md: Likewise.
15465 * config/aarch64/aarch64.c: Likewise.
15466 * config/nvptx/nvptx.c: Likewise.
15467 * config/bfin/bfin.c: Likewise.
15468 * config/cris/cris.opt: Likewise.
15469 * config/rs6000/rs6000.c: Likewise.
15470 * target.h: Likewise.
15471 * spellcheck.c: Likewise.
15472 * ira-build.c: Likewise.
15473 * tree-inline.c: Likewise.
15474 * builtins.c: Likewise.
15475 * lra-constraints.c: Likewise.
15476 * explow.c: Likewise.
15477 * hwint.h: Likewise.
15478 * targhooks.c: Likewise.
15479 * tree-vect-data-refs.c: Likewise.
15480 * expr.c: Likewise.
15481 * doc/tm.texi: Likewise.
15482 * doc/extend.texi: Likewise.
15483 * doc/install.texi: Likewise.
15484 * doc/md.texi: Likewise.
15485 * tree-ssa-tail-merge.c: Likewise.
15486 * sched-int.h: Likewise.
15487 * match.pd: Likewise.
15488 * sched-ebb.c: Likewise.
15489 * target.def (omit_struct_return_reg): Likewise.
15490 * gimple-ssa-isolate-paths.c: Likewise.
15491 (find_implicit_erroneous_behaviour): Renamed to...
15492 (find_implicit_erroneous_behavior): ... this.
15493 (find_explicit_erroneous_behaviour): Renamed to...
15494 (find_explicit_erroneous_behavior): ... this.
15495 (gimple_ssa_isolate_erroneous_paths): Adjust caller.
15497 2016-02-11 Segher Boessenkool <segher@kernel.crashing.org>
15499 PR rtl-optimization/64682
15500 PR rtl-optimization/69567
15501 PR rtl-optimization/69737
15502 * combine.c (distribute_notes) <REG_DEAD>: If the register is set
15503 in I2 as well, just lose it.
15505 2016-02-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
15507 * config/aarch64/aarch64.c (aarch64_last_printed_arch_string):
15509 (aarch64_last_printed_tune_string): Likewise.
15510 (aarch64_declare_function_name): Only output .arch assembler
15511 directive if it will be different from the previously output
15512 directive. Same for .tune comment but only if -dA is set.
15513 (aarch64_start_file): New function.
15514 (TARGET_ASM_FILE_START): Define.
15516 2016-02-11 David Malcolm <dmalcolm@redhat.com>
15519 * Makefile.in (PLUGIN_HEADERS): Add params.list.
15521 2016-02-11 Jakub Jelinek <jakub@redhat.com>
15524 * tree-vect-slp.c (vect_schedule_slp_instance): Avoid
15525 -Wmaybe-uninitialized warning.
15527 2016-02-11 Oleg Endo <olegendo@gcc.gnu.org>
15530 * config/sh/sh.md (casesi_worker_0): Add T_REG use.
15532 2016-02-11 Richard Biener <rguenther@suse.de>
15534 PR rtl-optimization/69291
15535 * ifcvt.c (noce_try_store_flag_constants): Do not allow
15536 subexpressions affected by changing the result.
15538 2016-02-10 Vladimir Makarov <vmakarov@redhat.com>
15541 * lra-constraints.c (curr_insn_transform): Find in/out operands
15542 for secondary memory moves. Update dups.
15544 2016-02-10 Yuri Rumyantsev <ysrumyan@gmail.com>
15546 PR tree-optimization/69652
15547 * tree-vect-loop.c (optimize_mask_stores): Move declaration of STMT1
15548 to nested loop, did source re-formatting, skip debug statements,
15549 add check on statement with volatile operand, remove dead scalar
15552 2016-02-10 Jakub Jelinek <jakub@redhat.com>
15553 Patrick Palka <ppalka@gcc.gnu.org>
15557 * gimplify.c (gimplify_modify_expr): Set lhs even for noreturn
15558 calls if the return type is TREE_ADDRESSABLE.
15559 * cgraphunit.c (cgraph_node::expand_thunk): Likewise.
15560 * ipa-split.c (split_function): Fix doubled "we" in comment.
15561 Use void return type for the split part even if
15562 !split_point->split_part_set_retval.
15564 2016-02-10 Bin Cheng <bin.cheng@arm.com>
15566 PR tree-optimization/68021
15567 * tree-ssa-loop-ivopts.c (get_computation_aff): Set ratio to 1 if
15568 when computing the value of biv cand by itself.
15570 2016-02-10 Wilco Dijkstra <wdijkstr@arm.com>
15572 * config/aarch64/aarch64.c (cortexa53_tunings): Enable AES fusion.
15573 (cortexa57_tunings): Likewise.
15574 (cortexa72_tunings): Likewise.
15575 (arch_macro_fusion_pair_p): Add support for AES fusion.
15576 * config/aarch64/aarch64-fusion-pairs.def: Add AES_AESMC entry.
15577 * config/arm/aarch-common.c (aarch_crypto_can_dual_issue):
15578 Allow virtual registers before reload so early scheduling works.
15579 * config/arm/cortex-a57.md (cortex_a57_crypto_simple): Use
15580 correct latency and pipeline.
15581 (cortex_a57_crypto_complex): Likewise.
15582 (cortex_a57_crypto_xor): Likewise.
15583 (define_bypass): Add AES bypass.
15585 2016-02-10 Richard Biener <rguenther@suse.de>
15587 PR tree-optimization/69726
15588 * passes.def: Add DCE pass before late uninit.
15589 * match.pd: Add A ? B : (!A ? C : X) -> A ? B : C patterns to
15590 really fixup if-conversions job.
15592 2016-02-10 Wilco Dijkstra <wdijkstr@arm.com>
15594 * config/arm/arm.c (arm_cortex_a53_tune): Enable AES fusion.
15595 (arm_cortex_a57_tune): Likewise.
15596 (aarch_macro_fusion_pair_p): Add support for AES fusion.
15597 * config/arm/arm-protos.h (fuse_ops): Add FUSE_AES_AESMC.
15599 2016-02-10 Eric Botcazou <ebotcazou@adacore.com>
15601 * timevar.def (TV_PHASE_DBGINFO): Delete.
15602 (TV_PHASE_CHECK_DBGINFO): Likewise.
15603 * varpool.c (varpool_node::assemble_decl): Do not change timevar.
15605 2016-02-10 Richard Biener <rguenther@suse.de>
15607 PR tree-optimization/69719
15608 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
15609 Adjust previous fix by ensuring that dr_a1 is left of dr_a2.
15611 2016-02-09 Andrew Pinski <apinski@cavium.com>
15614 * optabs-tree.c (expand_vec_cond_expr_p): Don't early return if
15615 get_vcond_mask_icode returns false.
15617 2016-02-09 Michael Meissner <meissner@linux.vnet.ibm.com>
15620 * config/rs6000/predicates.md (fusion_gpr_addis): Prevent fusing
15621 an ADDIS that adds a pointer to a large constant that sets the
15622 upper16 bits with a load operation.
15624 2016-02-09 Charles Baylis <charles.baylis@linaro.org>
15627 * config/arm/arm.c (arm_evpc_neon_vzip): Allow for big endian lane
15629 * config/arm/arm_neon.h (vzipq_s8): Adjust shuffle patterns for big
15631 (vzipq_s16): Likewise.
15632 (vzipq_s32): Likewise.
15633 (vzipq_f32): Likewise.
15634 (vzipq_u8): Likewise.
15635 (vzipq_u16): Likewise.
15636 (vzipq_u32): Likewise.
15637 (vzipq_p8): Likewise.
15638 (vzipq_p16): Likewise.
15640 2016-02-09 Charles Baylis <charles.baylis@linaro.org>
15643 * config/arm/arm.c (neon_endian_lane_map): New function.
15644 (neon_vector_pair_endian_lane_map): New function.
15645 (arm_evpc_neon_vuzp): Allow for big endian lane order.
15646 * config/arm/arm_neon.h (vuzpq_s8): Adjust shuffle patterns for big
15648 (vuzpq_s16): Likewise.
15649 (vuzpq_s32): Likewise.
15650 (vuzpq_f32): Likewise.
15651 (vuzpq_u8): Likewise.
15652 (vuzpq_u16): Likewise.
15653 (vuzpq_u32): Likewise.
15654 (vuzpq_p8): Likewise.
15655 (vuzpq_p16): Likewise.
15657 2016-02-11 Alexandre Oliva <aoliva@redhat.com>
15660 * regstat.c (regstat_bb_compute_calls_crossed): Disregard
15663 2016-02-09 Uros Bizjak <ubizjak@gmail.com>
15665 * config/i386/i386.md (insv<mode>_1): Use gen_int_mode to
15666 truncate const_int operand 1 to QImode.
15668 2016-02-09 Eric Botcazou <ebotcazou@adacore.com>
15670 * gimple-ssa-backprop.c (optimize_phi): Do not replace an argument
15671 corresponding to an abnormal edge.
15673 2016-02-09 Tom de Vries <tom@codesourcery.com>
15675 PR tree-optimization/69599
15676 * tree-ssa-structalias.c (fndecl_maybe_in_other_partition): New
15678 (find_func_aliases_for_builtin_call, find_func_clobbers)
15679 (ipa_pta_execute): Handle case that foo and foo._0 are not in same lto
15682 2016-02-09 Richard Biener <rguenther@suse.de>
15684 PR tree-optimization/69715
15685 * tree-ssa.c (execute_update_addresses_taken): Mark non-decl
15686 LHS on calls as non-rewritable.
15688 2016-02-09 Tom de Vries <tom@codesourcery.com>
15691 * lto-wrapper.c (append_diag_options): New function.
15692 (compile_offload_image): Call append_diag_options.
15694 2016-02-08 Sandra Loosemore <sandra@codesourcery.com>
15697 * doc/extend.texi (Flag Output Operands): Correct sectioning.
15698 Minor copy-edit to fix verb tenses.
15700 2016-02-08 Jakub Jelinek <jakub@redhat.com>
15702 PR tree-optimization/69209
15703 * ipa-split.c (split_function): If split part is not
15704 returning retval, retval has gimple type but is not
15705 gimple value, force it into a SSA_NAME first.
15707 2016-02-08 Nicklas Bo Jensen <nbjensen@gmail.com>
15709 * doc/tree-ssa.texi (Preserving the virtual SSA form): Remove
15712 2016-02-08 Jason Merrill <jason@redhat.com>
15715 * convert.c (convert_to_integer_1): Check dofold on truncation
15717 (convert_to_pointer_maybe_fold, convert_to_real_maybe_fold)
15718 (convert_to_integer_maybe_fold, convert_to_complex_maybe_fold):
15719 Rename from *_nofold.
15720 * convert.h (convert_to_pointer_nofold, convert_to_integer_nofold)
15721 (convert_to_real_nofold, convert_to_complex_nofold): New inlines.
15723 2016-02-08 Bernd Schmidt <bschmidt@redhat.com>
15726 * tree.c (build_common_tree_nodes): Remove short_double argument.
15727 All callers changed.
15728 * tree.h (build_common_tree_nodes): Adjust declaration.
15729 * doc/invoke.texi (-fshort-double): Remove documentation.
15730 * config/mips/t-img-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
15731 MULTILIB_EXCEPTIONS): Remove -fshort-double variant.
15732 * lto-wrapper.c (merge_and_complain, append_compiler_options)
15733 (append_linker_options): Don't handle OPT_fshort_double.
15735 PR rtl-optimization/68730
15736 * lra-remat.c (insn_to_cand_activation): New static variable.
15737 (lra_remat): Allocate and free it.
15738 (create_cand): New arg activation. Initialize a field in
15739 insn_to_cand_activation if it is nonnull.
15740 (create_cands): Pass the activation insn to create_cand when making
15741 a candidate involving an output reload. Reorganize code a little.
15742 (do_remat): Keep track of active status of candidates in a separate
15745 2016-02-08 Richard Biener <rguenther@suse.de>
15747 PR tree-optimization/69719
15748 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
15749 Properly use absolute of the difference of the two offsets to
15750 compare or adjust the segment length.
15752 2016-02-08 Richard Biener <rguenther@suse.de>
15753 Jeff Law <law@redhat.com>
15756 * tree-ssanames.c (make_ssa_name_fn): Always use unqualified
15757 types for anonymous SSA names.
15759 2016-02-08 Richard Biener <rguenther@suse.de>
15761 PR rtl-optimization/69274
15762 * ira.c (ira_setup_alts): Do not change recog_data.operand order.
15764 2016-02-08 Jeff Law <law@redhat.com>
15766 PR tree-optimization/65917
15767 * tree-ssa-dom.c (record_temporary_equivalences): Record both
15768 equivalences from if (x == y) style conditionals.
15769 (loop_depth_of_name): Remove.
15770 (record_equality): Remove loop depth check.
15771 * tree-ssa-scopedtables.h (const_and_copies): Refine comments.
15772 (const_and_copies::record_const_or_copy_raw): New member function.
15773 * tree-ssa-scopedtables.c
15774 (const_and_copies::record_const_or_copy_raw): New, factored out of
15775 (const_and_copies::record_const_or_copy): Call new member function.
15777 2016-02-05 Jeff Law <law@redhat.com>
15779 PR tree-optimization/68541
15780 * gimple-ssa-split-paths.c: Include tree-cfg.h and params.h.
15781 (count_stmts_in_block): New function.
15782 (poor_ifcvt_candidate_code): Likewise.
15783 (is_feasible_trace): Add some heuristics to determine when path
15784 splitting is profitable.
15785 (find_block_to_duplicate_for_splitting_paths): Make sure the graph
15786 is a diamond with a single exit.
15788 2016-02-05 Martin Sebor <msebor@redhat.com>
15791 * doc/invoke.texi: Update -Wplacement-new to take an optional
15794 2016-02-06 Richard Henderson <rth@redhat.com>
15797 * tree.c (tree_nop_conversion_p): Do not strip casts into or
15798 out of non-standard address spaces.
15800 2016-02-05 Jakub Jelinek <jakub@redhat.com>
15802 PR rtl-optimization/69691
15803 * lra-eliminations.c (move_plus_up): Don't add the addend twice.
15805 2016-02-05 Pat Haugen <pthaugen@us.ibm.com>
15807 * config/rs6000/crypto.md (crypto_vpermxor_<mode>): Correct insn type.
15808 * config/rs6000/rs6000.md (mov<mode>_hardfloat): Likewise.
15809 (*ieee128_mfvsrd_64bit): Likewise.
15810 (*ieee128_mfvsrd_32bit): Likewise.
15812 2016-02-05 Ilya Enkovich <enkovich.gnu@gmail.com>
15816 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
15818 * cgraphunit.c (cgraph_node::reset): Clear thunk info and
15819 instrumented_version.
15821 2016-01-05 Jeremy Bennett <jeremy.bennett@embecosm.com>
15823 * doc/invoke.texi (Optimize Options): In table of --param options
15824 rename second occurrence of tracer-min-branch-ratio to
15825 tracer-min-branch-probability, rename
15826 tracer-min-branch-ratio-feedback to
15827 tracer-min-branch-probability-feedback and clarify description,
15828 rename sched-spec-state-edge-prob-cutoff to
15829 sched-state-edge-prob-cutoff, rename selsched-max-insns-to-rename
15830 to selsched-insns-to-rename, rename lto-minpartition to
15831 lto-min-partition, delete reorder-blocks-duplicate and
15832 reorder-blocks-duplicate-feedback.
15834 2016-02-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
15836 * config/s390/s390.c (s390_register_info_set_ranges): Remove
15839 2016-02-05 Dominik Vogt <vogt@linux.vnet.ibm.com>
15841 * doc/extend.texi: S/390: Correct some typos.
15843 2016-02-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
15845 * config/s390/s390.c (s390_emit_call): Add missing 64 bit check.
15847 2016-02-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
15850 * config/s390/s390.c (SAVE_SLOT_NONE, SAVE_SLOT_STACK): New defines.
15851 (s390_register_info_gprtofpr): Use new macros above.
15852 (s390_register_info_stdarg_fpr): Adjust max_fpr to better match
15854 (s390_register_info_stdarg_gpr): Adjust max_gpr to better match
15855 its name. Adjust restore and save gpr ranges.
15856 (s390_register_info_set_ranges): New function.
15857 (s390_register_info): Use new macros above. Call
15858 s390_register_info_set_ranges.
15859 (s390_optimize_register_info): Likewise.
15860 (s390_hard_regno_rename_ok): Use new macros.
15861 (s390_hard_regno_scratch_ok): Likewise.
15862 (s390_emit_epilogue): Likewise.
15863 (s390_can_use_return_insn): Likewise.
15864 (s390_optimize_prologue): Likewise.
15865 * config/s390/s390.md (GPR2_REGNUM, GPR6_REGNUM): New constants.
15867 2016-02-05 Jakub Jelinek <jakub@redhat.com>
15870 * config/i386/i386.c (convert_scalars_to_vector): Readd stack
15872 (ix86_option_override_internal): Disable TARGET_STV even for
15873 -m{incoming,preferred}-stack-boundary=3.
15875 2016-02-03 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
15877 * config.gcc: Mark deprecated rtems targets as obsolete.
15879 2016-02-04 Segher Boessenkool <segher@kernel.crashing.org>
15881 PR rtl-optimization/64682
15882 PR rtl-optimization/69567
15883 * combine.c (distribute_notes) <REG_DEAD>: Place the death note
15884 before I2 only if the register is both used and set in I2.
15886 2016-02-04 DJ Delorie <dj@redhat.com>
15888 * config/msp430/msp430.c (msp430_start_function): Add function type.
15890 2016-02-04 Jakub Jelinek <jakub@redhat.com>
15893 * tree-dfa.c (get_ref_base_and_extent): Remove unreachable code.
15895 2016-02-04 Uros Bizjak <ubizjak@gmail.com>
15897 PR rtl-optimization/69577
15899 2015-10-29 Richard Henderson <rth@redhat.com>
15903 * config/i386/i386.c (ix86_cannot_change_mode_class): Tighten
15904 sse check to the exact conditions of PR 67609.
15906 2016-02-04 Michael Meissner <meissner@linux.vnet.ibm.com>
15909 * config/rs6000/rs6000.md (mov<mode>_64bit_dm): Use 'd' constraint
15910 instead of 'ws', and 'wh' instead of 'wm' since TFmode/IFmode are
15911 not allowed into the traditional Altivec registers.
15912 (movtd_64bit_nodm): Likewise.
15913 (mov<mode>_32bit, FMOVE128_FPR iterator): Likewise.
15915 2016-02-04 David Malcolm <dmalcolm@redhat.com>
15917 * config/aarch64/cortex-a57-fma-steering.c
15918 (aarch64_register_fma_steering): Remove "static" from arguments
15921 2016-02-04 Wilco Dijkstra <wdijkstr@arm.com>
15924 * ccmp.c (expand_ccmp_expr_1): Avoid evaluating gs0/gs1
15925 twice when complex.
15927 2016-02-04 Mike Frysinger <vapier@gentoo.org>
15929 * doc/invoke.texi: Delete -mno-fma4.
15931 2016-02-04 Richard Sandiford <richard.sandiford@arm.com>
15933 PR rtl-optimization/69577
15934 * reginfo.c (record_subregs_of_mode): Add a partial_def parameter.
15935 (find_subregs_of_mode): Update accordingly. Iterate over partial
15938 2016-02-04 Alan Lawrence <alan.lawrence@arm.com>
15940 * config/arm/arm-protos.h (neon_reinterpret): Remove.
15941 * config/arm/arm.c (neon_reinterpret): Remove.
15942 * config/arm/arm_neon_builtins.def (vreinterpretv8qi, vreinterpretv4hi,
15943 vreinterpretv2si, vreinterpretv2sf, vreinterpretdi, vreinterpretv16qi,
15944 vreinterpretv8hi, vreinterpretv4si, vreinterpretv4sf, vreinterpretv2di,
15945 vreinterpretti): Remove.
15946 * config/arm/neon.md (neon_vreinterpretv8qi<mode>,
15947 neon_vreinterpretv4hi<mode>, neon_vreinterpretv2si<mode>,
15948 neon_vreinterpretv2sf<mode>, neon_vreinterpretdi<mode>,
15949 neon_vreinterpretti<mode>, neon_vreinterpretv16qi<mode>,
15950 neon_vreinterpretv8hi<mode>, neon_vreinterpretv4si<mode>,
15951 neon_vreinterpretv4sf<mode>, neon_vreinterpretv2di<mode>): Remove.
15952 * config/arm/arm_neon.h (vreinterpret_p8_p16, vreinterpret_p8_f32,
15953 vreinterpret_p8_p64, vreinterpret_p8_s64, vreinterpret_p8_u64,
15954 vreinterpret_p8_s8, vreinterpret_p8_s16, vreinterpret_p8_s32,
15955 vreinterpret_p8_u8, vreinterpret_p8_u16, vreinterpret_p8_u32,
15956 vreinterpret_p16_p8, vreinterpret_p16_f32, vreinterpret_p16_p64,
15957 vreinterpret_p16_s64, vreinterpret_p16_u64, vreinterpret_p16_s8,
15958 vreinterpret_p16_s16, vreinterpret_p16_s32, vreinterpret_p16_u8,
15959 vreinterpret_p16_u16, vreinterpret_p16_u32, vreinterpret_f32_p8,
15960 vreinterpret_f32_p16, vreinterpret_f32_p64, vreinterpret_f32_s64,
15961 vreinterpret_f32_u64, vreinterpret_f32_s8, vreinterpret_f32_s16,
15962 vreinterpret_f32_s32, vreinterpret_f32_u8, vreinterpret_f32_u16,
15963 vreinterpret_f32_u32, vreinterpret_p64_p8, vreinterpret_p64_p16,
15964 vreinterpret_p64_f32, vreinterpret_p64_s64, vreinterpret_p64_u64,
15965 vreinterpret_p64_s8, vreinterpret_p64_s16, vreinterpret_p64_s32,
15966 vreinterpret_p64_u8, vreinterpret_p64_u16, vreinterpret_p64_u32,
15967 vreinterpret_s64_p8, vreinterpret_s64_p16, vreinterpret_s64_f32,
15968 vreinterpret_s64_p64, vreinterpret_s64_u64, vreinterpret_s64_s8,
15969 vreinterpret_s64_s16, vreinterpret_s64_s32, vreinterpret_s64_u8,
15970 vreinterpret_s64_u16, vreinterpret_s64_u32, vreinterpret_u64_p8,
15971 vreinterpret_u64_p16, vreinterpret_u64_f32, vreinterpret_u64_p64,
15972 vreinterpret_u64_s64, vreinterpret_u64_s8, vreinterpret_u64_s16,
15973 vreinterpret_u64_s32, vreinterpret_u64_u8, vreinterpret_u64_u16,
15974 vreinterpret_u64_u32, vreinterpret_s8_p8, vreinterpret_s8_p16,
15975 vreinterpret_s8_f32, vreinterpret_s8_p64, vreinterpret_s8_s64,
15976 vreinterpret_s8_u64, vreinterpret_s8_s16, vreinterpret_s8_s32,
15977 vreinterpret_s8_u8, vreinterpret_s8_u16, vreinterpret_s8_u32,
15978 vreinterpret_s16_p8, vreinterpret_s16_p16, vreinterpret_s16_f32,
15979 vreinterpret_s16_p64, vreinterpret_s16_s64, vreinterpret_s16_u64,
15980 vreinterpret_s16_s8, vreinterpret_s16_s32, vreinterpret_s16_u8,
15981 vreinterpret_s16_u16, vreinterpret_s16_u32, vreinterpret_s32_p8,
15982 vreinterpret_s32_p16, vreinterpret_s32_f32, vreinterpret_s32_p64,
15983 vreinterpret_s32_s64, vreinterpret_s32_u64, vreinterpret_s32_s8,
15984 vreinterpret_s32_s16, vreinterpret_s32_u8, vreinterpret_s32_u16,
15985 vreinterpret_s32_u32, vreinterpret_u8_p8, vreinterpret_u8_p16,
15986 vreinterpret_u8_f32, vreinterpret_u8_p64, vreinterpret_u8_s64,
15987 vreinterpret_u8_u64, vreinterpret_u8_s8, vreinterpret_u8_s16,
15988 vreinterpret_u8_s32, vreinterpret_u8_u16, vreinterpret_u8_u32,
15989 vreinterpret_u16_p8, vreinterpret_u16_p16, vreinterpret_u16_f32,
15990 vreinterpret_u16_p64, vreinterpret_u16_s64, vreinterpret_u16_u64,
15991 vreinterpret_u16_s8, vreinterpret_u16_s16, vreinterpret_u16_s32,
15992 vreinterpret_u16_u8, vreinterpret_u16_u32, vreinterpret_u32_p8,
15993 vreinterpret_u32_p16, vreinterpret_u32_f32, vreinterpret_u32_p64,
15994 vreinterpret_u32_s64, vreinterpret_u32_u64, vreinterpret_u32_s8,
15995 vreinterpret_u32_s16, vreinterpret_u32_s32, vreinterpret_u32_u8,
15996 vreinterpret_u32_u16, vreinterpretq_p8_p16, vreinterpretq_p8_f32,
15997 vreinterpretq_p8_p64, vreinterpretq_p8_p128, vreinterpretq_p8_s64,
15998 vreinterpretq_p8_u64, vreinterpretq_p8_s8, vreinterpretq_p8_s16,
15999 vreinterpretq_p8_s32, vreinterpretq_p8_u8, vreinterpretq_p8_u16,
16000 vreinterpretq_p8_u32, vreinterpretq_p16_p8, vreinterpretq_p16_f32,
16001 vreinterpretq_p16_p64, vreinterpretq_p16_p128, vreinterpretq_p16_s64,
16002 vreinterpretq_p16_u64, vreinterpretq_p16_s8, vreinterpretq_p16_s16,
16003 vreinterpretq_p16_s32, vreinterpretq_p16_u8, vreinterpretq_p16_u16,
16004 vreinterpretq_p16_u32, vreinterpretq_f32_p8, vreinterpretq_f32_p16,
16005 vreinterpretq_f32_p64, vreinterpretq_f32_p128, vreinterpretq_f32_s64,
16006 vreinterpretq_f32_u64, vreinterpretq_f32_s8, vreinterpretq_f32_s16,
16007 vreinterpretq_f32_s32, vreinterpretq_f32_u8, vreinterpretq_f32_u16,
16008 vreinterpretq_f32_u32, vreinterpretq_p64_p8, vreinterpretq_p64_p16,
16009 vreinterpretq_p64_f32, vreinterpretq_p64_p128, vreinterpretq_p64_s64,
16010 vreinterpretq_p64_u64, vreinterpretq_p64_s8, vreinterpretq_p64_s16,
16011 vreinterpretq_p64_s32, vreinterpretq_p64_u8, vreinterpretq_p64_u16,
16012 vreinterpretq_p64_u32, vreinterpretq_p128_p8, vreinterpretq_p128_p16,
16013 vreinterpretq_p128_f32, vreinterpretq_p128_p64, vreinterpretq_p128_s64,
16014 vreinterpretq_p128_u64, vreinterpretq_p128_s8, vreinterpretq_p128_s16,
16015 vreinterpretq_p128_s32, vreinterpretq_p128_u8, vreinterpretq_p128_u16,
16016 vreinterpretq_p128_u32, vreinterpretq_s64_p8, vreinterpretq_s64_p16,
16017 vreinterpretq_s64_f32, vreinterpretq_s64_p64, vreinterpretq_s64_p128,
16018 vreinterpretq_s64_u64, vreinterpretq_s64_s8, vreinterpretq_s64_s16,
16019 vreinterpretq_s64_s32, vreinterpretq_s64_u8, vreinterpretq_s64_u16,
16020 vreinterpretq_s64_u32, vreinterpretq_u64_p8, vreinterpretq_u64_p16,
16021 vreinterpretq_u64_f32, vreinterpretq_u64_p64, vreinterpretq_u64_p128,
16022 vreinterpretq_u64_s64, vreinterpretq_u64_s8, vreinterpretq_u64_s16,
16023 vreinterpretq_u64_s32, vreinterpretq_u64_u8, vreinterpretq_u64_u16,
16024 vreinterpretq_u64_u32, vreinterpretq_s8_p8, vreinterpretq_s8_p16,
16025 vreinterpretq_s8_f32, vreinterpretq_s8_p64, vreinterpretq_s8_p128,
16026 vreinterpretq_s8_s64, vreinterpretq_s8_u64, vreinterpretq_s8_s16,
16027 vreinterpretq_s8_s32, vreinterpretq_s8_u8, vreinterpretq_s8_u16,
16028 vreinterpretq_s8_u32, vreinterpretq_s16_p8, vreinterpretq_s16_p16,
16029 vreinterpretq_s16_f32, vreinterpretq_s16_p64, vreinterpretq_s16_p128,
16030 vreinterpretq_s16_s64, vreinterpretq_s16_u64, vreinterpretq_s16_s8,
16031 vreinterpretq_s16_s32, vreinterpretq_s16_u8, vreinterpretq_s16_u16,
16032 vreinterpretq_s16_u32, vreinterpretq_s32_p8, vreinterpretq_s32_p16,
16033 vreinterpretq_s32_f16, vreinterpretq_s32_f32, vreinterpretq_s32_p64,
16034 vreinterpretq_s32_p128, vreinterpretq_s32_s64, vreinterpretq_s32_u64,
16035 vreinterpretq_s32_s8, vreinterpretq_s32_s16, vreinterpretq_s32_u8,
16036 vreinterpretq_s32_u16, vreinterpretq_s32_u32, vreinterpretq_u8_p8,
16037 vreinterpretq_u8_p16, vreinterpretq_u8_f32, vreinterpretq_u8_p64,
16038 vreinterpretq_u8_p128, vreinterpretq_u8_s64, vreinterpretq_u8_u64,
16039 vreinterpretq_u8_s8, vreinterpretq_u8_s16, vreinterpretq_u8_s32,
16040 vreinterpretq_u8_u16, vreinterpretq_u8_u32, vreinterpretq_u16_p8,
16041 vreinterpretq_u16_p16, vreinterpretq_u16_f32, vreinterpretq_u16_p64,
16042 vreinterpretq_u16_p128, vreinterpretq_u16_s64, vreinterpretq_u16_u64,
16043 vreinterpretq_u16_s8, vreinterpretq_u16_s16, vreinterpretq_u16_s32,
16044 vreinterpretq_u16_u8, vreinterpretq_u16_u32, vreinterpretq_u32_p8,
16045 vreinterpretq_u32_p16, vreinterpretq_u32_f32, vreinterpretq_u32_p64,
16046 vreinterpretq_u32_p128, vreinterpretq_u32_s64, vreinterpretq_u32_u64,
16047 vreinterpretq_u32_s8, vreinterpretq_u32_s16, vreinterpretq_u32_s32,
16048 vreinterpretq_u32_u8, vreinterpretq_u32_u16): Rewrite using casts.
16050 2016-02-04 Martin Liska <mliska@suse.cz>
16053 * asan.c (has_stmt_been_instrumented_p): Instrument gimple calls
16054 that are gimple_store_p.
16055 (maybe_instrument_call): Likewise.
16057 2016-02-04 Bin Cheng <bin.cheng@arm.com>
16059 * config/aarch64/aarch64.c (aarch64_legitimize_address): Force
16060 register scaling out of memory reference and comment why.
16062 2016-02-04 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
16066 * cse.c (cse_insn): Pass NULL to fold_rtx when initially
16067 folding the source of a SET.
16069 2016-02-04 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
16073 * config/arm/arm.c (arm_new_rtx_costs, MULT case): Properly extract
16074 the operands of the SIGN_EXTENDs from a SMUL[TB][TB] rtx.
16076 2016-02-04 Jim Wilson <jim.wilson@linaro.org>
16080 * config/arm/arm.h (PROMOTE_MODE): Don't set UNSIGNEDP for QImode and
16083 2016-02-04 Christian Bruel <christian.bruel@st.com>
16085 * config/arm/arm-c.c (arm_reset_previous_fndecl): Style fix and typo.
16086 * config/arm/arm.c (arm_set_current_function): Likewise.
16088 2016-02-04 Jakub Jelinek <jakub@redhat.com>
16089 Ilya Enkovich <enkovich.gnu@gmail.com>
16090 H.J. Lu <hongjiu.lu@intel.com>
16093 * config/i386/i386.c (convert_scalars_to_vector): Remove
16094 stack alignment fixes.
16095 (ix86_option_override_internal): Disable TARGET_STV if stack
16096 might not be aligned enough.
16097 (ix86_minimum_alignment): Assert that TARGET_STV is false.
16099 2016-02-04 Victoria Stepanyan <victoria.stepanyan@amd.com>
16101 * config/i386/x86-tune.def: Disable default prefetching
16104 2016-02-03 Michael Meissner <meissner@linux.vnet.ibm.com>
16105 Vladimir Makarov <vmakarov@redhat.com>
16108 * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Fix thinko
16109 in validating fused toc addresses.
16111 2016-02-03 Jakub Jelinek <jakub@redhat.com>
16114 * diagnostic-show-locus.c (layout::get_state_at_point): Don't read
16115 range->m_caret fields if range->m_show_caret_p is false.
16118 * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
16119 Force oldval into register if it does not satisfy reg_or_short_operand
16120 predicate. Fix up formatting.
16122 2016-02-03 Vladimir Makarov <vmakarov@redhat.com>
16123 Alexandre Oliva <aoliva@redhat.com>
16126 * lra-constraints.c (simplify_operand_subreg): Check additionally
16127 address validity after potential reloading.
16128 (process_address_1): Check insns validity. In case of failure do
16131 2016-02-03 Kirill Yukhin <kirill.yukhin@intel.com>
16134 * config/i386/sse.md (define_insn "avx512f_maskcmp<mode>3"):
16137 2016-02-02 Jakub Jelinek <jakub@redhat.com>
16139 * wide-int.cc (canonize_uhwi): New function.
16140 (wi::divmod_internal): Use it.
16142 2016-02-02 James Norris <jnorris@codesourcery.com
16144 * gimplify.c (omp_notice_variable): Add usage check.
16146 2016-02-02 Alexander Monakov <amonakov@ispras.ru>
16148 * config/nvptx/nvptx.c (nvptx_print_operand): Treat LEU, GEU, LTU, GTU
16149 like LE, GE, LT, GT when emitting relational operator.
16151 2016-02-02 Wilco Dijkstra <wdijkstr@arm.com>
16153 * ira-costs.c (find_costs_and_classes): Add extra argument.
16154 * target.def (ira_change_pseudo_allocno_class): Add parameter.
16155 * targhooks.h (ira_change_pseudo_allocno_class): Likewise.
16156 * targhooks.c (ira_change_pseudo_allocno_class): Likewise.
16157 * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class)
16158 Add best_class parameter, and return it if not ALL_REGS.
16159 * config/mips/mips.c (mips_ira_change_pseudo_allocno_class):
16161 * doc/tm.texi (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS):
16162 Update target hook.
16164 2016-02-02 Wilco Dijkstra <wdijkstr@arm.com>
16166 * config/aarch64/aarch64.c
16167 (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): New define.
16168 (aarch64_ira_change_pseudo_allocno_class): New function.
16170 2016-02-02 Uros Bizjak <ubizjak@gmail.com>
16173 * config/i386/i386.c (geode_cost): Increase cost of MMX and SSE moves.
16175 2016-02-02 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
16177 * config/avr/avr.c (avr_option_override): Set
16178 PARAM_ALLOW_STORE_DATA_RACES to 1.
16180 2016-02-02 Richard Biener <rguenther@suse.de>
16182 PR tree-optimization/69595
16183 * match.pd: Add range test simplifications to true/false.
16185 2016-02-02 Thomas Schwinge <thomas@codesourcery.com>
16187 * omp-builtins.def (BUILT_IN_GOACC_HOST_DATA): Remove.
16188 * omp-low.c (expand_omp_target): Use BUILT_IN_GOACC_DATA_START
16191 2016-02-02 Richard Biener <rguenther@suse.de>
16193 PR tree-optimization/69606
16194 * tree-ssa-math-opts.c (bswap_replace): Clear flow sensitive
16195 info on the result before moving a stmt.
16197 2016-02-02 Yuri Rumyantsev <ysrumyan@gmail.com>
16199 PR middle-end/68542
16200 * config/i386/i386.c (ix86_expand_branch): Add support for conditional
16201 branch with vector comparison.
16202 * config/i386/sse.md (VI48_AVX): New mode iterator.
16203 (define_expand "cbranch<mode>4): Add support for conditional branch
16204 with vector comparison.
16205 * tree-vect-loop.c (optimize_mask_stores): New function.
16206 * tree-vect-stmts.c (vectorizable_mask_load_store): Initialize
16207 has_mask_store field of vect_info.
16208 * tree-vectorizer.c (vectorize_loops): Invoke optimaze_mask_stores for
16209 vectorized loops having masked stores after vec_info destroy.
16210 * tree-vectorizer.h (loop_vec_info): Add new has_mask_store field and
16211 correspondent macros.
16212 (optimize_mask_stores): Add prototype.
16214 2016-02-02 Alan Modra <amodra@gmail.com>
16217 * config/rs6000/predicates.md (quad_int_reg_operand): Don't
16220 2016-02-02 Alan Modra <amodra@gmail.com>
16223 * config/rs6000/rs6000.c (need_toc_init): New var, set it
16224 whenever toc_label_name used.
16225 (rs6000_file_start): Don't set up toc section here,
16226 (rs6000_output_function_epilogue): do so here instead,
16227 (rs6000_xcoff_file_start): and here.
16228 * config/rs6000/rs6000.md (load_toc_aix_si): Set need_toc_init.
16229 (load_toc_aix_di): Likewise.
16231 2016-02-01 Jakub Jelinek <jakub@redhat.com>
16233 PR rtl-optimization/69592
16234 * rtlanal.c (nonzero_bits_binary_arith_p): New inline function.
16235 (cached_nonzero_bits): Use it instead of ARITHMETIC_P.
16236 (num_sign_bit_copies_binary_arith_p): New inline function.
16237 (cached_num_sign_bit_copies): Use it instead of ARITHMETIC_P.
16239 2016-02-01 Jeff Law <law@redhat.com>
16241 PR tree-optimization/69580
16242 * params.def (FSM_MAXIMUM_PHI_ARGUMENTS): New param.
16243 * tree-ssa-threadbackward.c
16244 (fsm_find_control_statement_thread_paths): Do not try to walk
16245 through large PHI nodes.
16247 2016-02-01 Jakub Jelinek <jakub@redhat.com>
16249 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return false
16250 when count is incremented above limit, don't analyze further
16253 * omp-low.c (oacc_parse_default_dims): Avoid
16254 -Wsign-compare warning, make sure value fits into int
16255 rather than just unsigned int.
16257 2016-02-01 Bin Cheng <bin.cheng@arm.com>
16259 PR tree-optimization/67921
16260 * fold-const.c (split_tree): New parameters. Convert pointer
16261 type variable part to proper type before negating.
16262 (fold_binary_loc): Pass new arguments to split_tree.
16264 2016-02-01 Nathan Sidwell <nathan@codesourcery.com>
16266 * config/nvptx/nvptx.c (PTX_GANG_DEFAULT): New.
16267 (nvptx_goacc_validate_dims): Extend to handle global defaults.
16268 * target.def (OACC_VALIDATE_DIMS): Extend documentation.
16269 * doc/tm.texti: Rebuilt.
16270 * doc/invoke.texi (fopenacc-dim): Document.
16271 * lto-wrapper.c (merge_and_complain): Add OPT_fopenacc_dim_ case.
16272 (append_compiler_options): Likewise.
16273 * omp-low.c (oacc_default_dims, oacc_min_dims): New.
16274 (oacc_parse_default_dims): New.
16275 (oacc_validate_dims): Add USED arg. Select non-unity default when
16277 (oacc_loop_fixed_partitions): Return mask of used partitions.
16278 (oacc_loop_auto_partitions): Emit dump info.
16279 (oacc_loop_partition): Return mask of used partitions.
16280 (execute_oacc_device_lower): Parse default dimension arg. Adjust
16281 loop partitioning and validation calls.
16283 2016-02-01 Richard Biener <rguenther@suse.de>
16285 PR middle-end/69556
16286 * match.pd: Guard (C1/X)*C2 -> (C1*C2)/X with single_use.
16288 2016-02-01 Richard Biener <rguenther@suse.de>
16290 PR tree-optimization/69574
16291 * tree-chrec.c (hide_evolution_in_other_loops_than_loop): Instead
16292 of asserting return chrec_dont_know.
16294 2016-02-01 Martin Liska <mliska@suse.cz>
16296 * mem-stats-traits.h: Add copyright header.
16297 * mem-stats.h: Likewise.
16299 2016-02-01 Richard Biener <rguenther@suse.de>
16301 PR tree-optimization/69579
16302 * tree-ssa-loop-ivcanon.c (propagate_constants_for_unrolling):
16303 Do not propagate through abnormal PHI results.
16305 2016-02-01 Eric Botcazou <ebotcazou@adacore.com>
16307 * postreload.c (reload_cse_simplify): Remove dead code.
16309 2016-02-01 Jakub Jelinek <jakub@redhat.com>
16311 PR rtl-optimization/69570
16312 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return true only
16313 if there is more than one set, not if there is a single set.
16315 2016-02-01 Richard Henderson <rth@redhat.com>
16318 * combine.c (make_compound_operation): When looking through a
16319 subreg, make sure to re-extend to the width of the outer mode.
16321 2016-01-30 Jakub Jelinek <jakub@redhat.com>
16323 PR tree-optimization/69546
16324 * wide-int.cc (wi::divmod_internal): For unsigned division
16325 where both operands fit into uhwi, if o1 is 1 and o0 has
16326 msb set, if divident_prec is larger than bits per hwi,
16327 clear another quotient word and return 2 instead of 1.
16328 Similarly for remainder with msb in HWI set, if dividend_prec
16329 is larger than bits per hwi.
16331 2016-01-29 Martin Jambor <mjambor@suse.cz>
16333 * hsa-gen.c (get_memory_order_name): Mask with MEMMODEL_BASE_MASK.
16334 Use short lowercase names.
16335 (get_memory_order): Mask with MEMMODEL_BASE_MASK. Support
16336 MEMMODEL_CONSUME with acquire semantics and MEMMODEL_SEQ_CST with
16337 acq_rel one. Protect warning agains segfaults if
16338 get_memory_order_name returns NULL.
16339 (gen_hsa_ternary_atomic_for_builtin): Support with MEMMODEL_SEQ_CST
16340 with release semantics. Do not warn if get_memory_order already did.
16341 (gen_hsa_insns_for_call): Support with MEMMODEL_SEQ_CST with acquire
16342 semantics. Fix check for relaxed or acquire semantics. Do not warn
16343 if get_memory_order already did.
16345 2016-01-29 Sebastian Pop <s.pop@samsung.com>
16347 * doc/install.texi: Document that isl-0.16 is supported.
16349 2016-01-29 Vladimir Makarov <vmakarov@redhat.com>
16352 * config/i386/constraints.md (Bm): Describe as special memory
16354 * doc/md.texi (DEFINE_SPECIAL_MEMORY_CONSTRAINT): Describe it.
16355 * genoutput.c (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
16356 * genpreds.c (struct constraint_data): Add is_special_memory.
16357 (have_special_memory_constraints, special_memory_start): New
16359 (special_memory_end): Ditto.
16360 (add_constraint): Add new arg is_special_memory. Add code to
16361 process its true value. Update have_special_memory_constraints.
16362 (process_define_constraint): Pass the new arg.
16363 (process_define_register_constraint): Ditto.
16364 (choose_enum_order): Process special memory.
16365 (write_tm_preds_h): Generate enum const CT_SPECIAL_MEMORY and
16366 function insn_extra_special_memory_constraint.
16367 (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
16368 * gensupport.c (process_rtx): Process
16369 DEFINE_SPECIAL_MEMORY_CONSTRAINT.
16370 * ira-costs.c (record_reg_classes): Process CT_SPECIAL_MEMORY.
16371 * ira-lives.c (single_reg_class): Use
16372 insn_extra_special_memory_constraint.
16373 * ira.c (ira_setup_alts): Process CT_SPECIAL_MEMORY.
16374 * lra-constraints.c (process_alt_operands): Ditto.
16375 (curr_insn_transform): Use insn_extra_special_memory_constraint.
16376 * recog.c (asm_operand_ok, preprocess_constraints): Process
16378 * reload.c (find_reloads): Ditto.
16379 * rtl.def (DEFINE_SPECIFAL_MEMORY_CONSTRAINT): New.
16380 * stmt.c (parse_input_constraint): Use
16381 insn_extra_special_memory_constraint.
16383 2016-01-29 H.J. Lu <hongjiu.lu@intel.com>
16386 * lra-splill.c (lra_final_code_change): Revert r229087 by
16387 removing all sub-registers.
16389 2016-01-29 Steve Ellcey <sellcey@imgtec.com>
16392 * config/mips/mips.c (mips_output_division): Check flag_delayed_branch.
16394 2016-01-29 Jakub Jelinek <jakub@redhat.com>
16397 * config/i386/i386.c (ix86_expand_vector_set) <case V4SImode>: For
16398 SSE1, copy target into the temporary reg first before recursing
16401 2016-01-29 H.J. Lu <hongjiu.lu@intel.com>
16403 * config/i386/sse.md (sse2_cvtps2pd<mask_name>): Replace vBm
16406 2016-01-29 Jonathan Wakely <jwakely@redhat.com>
16408 * ginclude/stdarg.h: Test __cplusplus instead of
16409 __GXX_EXPERIMENTAL_CXX0X__.
16411 2016-01-29 Richard Biener <rguenther@suse.de>
16413 PR tree-optimization/69547
16414 * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
16415 Do not mark clobbers necessary.
16416 (mark_all_reaching_defs_necessary_1): Likewise.
16418 2016-01-29 Dominik Vogt <vogt@linux.vnet.ibm.com>
16420 * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Format
16421 declaration name with %qs and print it in both error messages.
16422 Also fix indentation.
16424 2016-01-29 Dominik Vogt <vogt@linux.vnet.ibm.com>
16427 * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Remove
16428 trailing blank line from error message.
16430 2016-01-29 Jonathan Wakely <jwakely@redhat.com>
16433 * ginclude/float.h: Also provide FLT_EVAL_METHOD and DECIMAL_DIG
16436 2016-01-29 Richard Biener <rguenther@suse.de>
16438 PR middle-end/69537
16439 * match.pd: Allow all integral types when simplifying a
16440 widening or sign-changing conversion.
16442 2016-01-28 Sebastian Pop <s.pop@samsung.com>
16444 * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Revert assert
16445 back to setting codegen_error to fail codegen.
16447 2016-01-28 Uros Bizjak <ubizjak@gmail.com>
16450 * config/i386/constraints.md (C): Only accept constant zero operand.
16451 (BC): New constraint.
16452 * config/i386/sse.md (*mov<mode>_internal): Use BC constraint
16453 instead of C constraint.
16454 * doc/md.texi (Machine Constraints): Update description
16457 2016-01-28 Steve Ellcey <sellcey@imgtec.com>
16460 * config/mips/mips.c (and_operands_ok): Add MIPS16 check.
16462 2016-01-28 Jakub Jelinek <jakub@redhat.com>
16464 PR middle-end/69542
16465 * lra-remat.c (calculate_local_reg_remat_bb_data): Only consider
16468 2016-01-28 Pat Haugen <pthaugen@us.ibm.com>
16470 * config/rs6000/rs6000.c (output_cbranch): Don't statically predict
16471 branches if using guessed profile.
16473 2016-01-28 H.J. Lu <hongjiu.lu@intel.com>
16475 * graphite-optimize-isl.c (optimize_isl): Fix dump.
16477 2016-01-28 Richard Henderson <rth@redhat.com>
16480 * config/aarch64/aarch64-modes.def (CC_Cmode): New
16481 * config/aarch64/aarch64-protos.h: Update.
16482 * config/aarch64/aarch64.c (aarch64_zero_extend_const_eq): New.
16483 (aarch64_select_cc_mode): Add check for use of CC_Cmode.
16484 (aarch64_get_condition_code_1): Handle CC_Cmode.
16485 * config/aarch64/aarch64.md (addti3): Use adddi3_compareC.
16486 (*add<mode>3_compareC_cconly_imm): New.
16487 (*add<mode>3_compareC_cconly): New.
16488 (*add<mode>3_compareC_imm): New.
16489 (add<mode>3_compareC): New.
16490 (add<mode>3_carryin, *addsi3_carryin_uxtw): Sort compare operand
16491 to be first. Use aarch64_carry_operation.
16492 (*add<mode>3_carryin_alt1, *addsi3_carryin_alt1_uxtw): Remove.
16493 (*add<mode>3_carryin_alt2, *addsi3_carryin_alt2_uxtw): Remove.
16494 (*add<mode>3_carryin_alt3, *addsi3_carryin_alt3_uxtw): Remove.
16495 (subti3): Use subdi3_compare1.
16496 (*sub<mode>3_compare0): Rename from sub<mode>3_compare0.
16497 (sub<mode>3_compare1): New.
16498 (*sub<mode>3_carryin0, *subsi3_carryin_uxtw): New.
16499 (*sub<mode>3_carryin): Use aarch64_borrow_operation.
16500 (*subsi3_carryin_uxtw): Likewise.
16501 (*ngc<mode>, *ngcsi_uxtw): Likewise.
16502 (*sub<mode>3_carryin_alt, *subsi3_carryin_alt_uxtw): New.
16503 * config/aarch64/iterators.md (DWI): New.
16504 * config/aarch64/predicates.md (aarch64_carry_operation): New.
16505 (aarch64_borrow_operation): New.
16507 2016-01-28 Abderrazek Zaafrani <a.zaafrani@samsung.com>
16509 * graphite-optimize-isl.c (optimize_isl): Print a different debug
16510 message when isl does not return a valid schedule.
16512 2016-01-28 Sebastian Pop <s.pop@samsung.com>
16514 * graphite-isl-ast-to-gimple.c (class translate_isl_ast_to_gimple):
16515 Remove comments from class declarations: they are already in the code
16518 2016-01-28 Sebastian Pop <s.pop@samsung.com>
16520 * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Call
16522 (ternary_op_to_tree): Same.
16523 (unary_op_to_tree): Same.
16524 (nary_op_to_tree): Same.
16525 (gcc_expression_from_isl_expr_op): Same.
16526 (gcc_expression_from_isl_expression): Same.
16527 (graphite_create_new_loop): Same.
16528 (graphite_create_new_loop_guard): Same.
16529 (build_iv_mapping): Same.
16530 (graphite_create_new_guard): Same.
16531 (translate_isl_ast_to_gimple::copy_loop_phi_nodes): Same.
16532 (translate_isl_ast_to_gimple::translate_pending_phi_nodes): Same.
16534 2016-01-28 Sebastian Pop <s.pop@samsung.com>
16536 * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Assert
16537 instead of setting codegen_error to fail codegen.
16539 2016-01-28 Jason Merrill <jason@redhat.com>
16541 * tree.h (BINFO_FLAG_0): Rename from BINFO_MARKED.
16543 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
16545 * config/aarch64/aarch64.c (aarch64_if_then_else_costs):
16546 Remove CONST_INT_P check in CCMP cost calculation.
16548 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
16550 * config/aarch64/aarch64.c (generic_vector_cost):
16551 Set vec_permute_cost.
16552 (cortexa57_vector_cost): Likewise.
16553 (exynosm1_vector_cost): Likewise.
16554 (xgene1_vector_cost): Likewise.
16555 (aarch64_builtin_vectorization_cost): Use vec_permute_cost.
16556 * config/aarch64/aarch64-protos.h (cpu_vector_cost):
16557 Add vec_permute_cost entry.
16559 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
16561 * config/aarch64/aarch64.md (ccmp<mode>): Disassemble
16563 (add<mode>3_compare0): Likewise.
16564 (addsi3_compare0_uxtw): Likewise.
16565 (add<mode>3nr_compare0): Likewise.
16566 (compare_neg<mode>): Likewise.
16567 (<optab><mode>3): Likewise.
16569 2016-01-28 Ilya Enkovich <enkovich.gnu@gmail.com>
16571 * tree-vect-stmts.c (vectorizable_comparison): Add
16572 NULL check for vectype.
16574 2016-01-28 Richard Biener <rguenther@suse.de>
16576 PR tree-optimization/69466
16577 * tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
16578 Account for PHIs we couldn't duplicate.
16580 2016-01-28 Martin Liska <mliska@suse.cz>
16583 * ggc-common.c (gt_pch_save): Use ENABLE_VALGRIND_ANNOTATIONS macro
16584 instead of ENABLE_VALGRIND_CHECKING.
16586 2016-01-27 Richard Henderson <rth@redhat.com>
16589 * lra-remat.c (subreg_regs): New.
16590 (dump_candidates_and_remat_bb_data): Dump it.
16591 (operand_to_remat): Reject if operand in subreg_regs.
16592 (set_bb_regs): Collect subreg_regs.
16593 (lra_remat): Init and free subreg_regs. Compute
16594 calculate_local_reg_remat_bb_data before create_cands.
16596 2016-01-27 H.J. Lu <hongjiu.lu@intel.com>
16599 * config/i386/i386.c (ix86_update_stack_boundary): Don't
16600 change stack_alignment_needed for __tls_get_addr call.
16602 2016-01-27 Segher Boessenkool <segher@kernel.crashing.org>
16604 * config/rs6000/rs6000.c (print_operand): Rollback 's' removal.
16606 2016-01-27 Jeff Law <law@redhat.com>
16608 PR tree-optimization/68398
16609 PR tree-optimization/69196
16610 * params.def (PARAM_FSM_SCALE_PATH_STMTS): New parameter.
16611 (PARAM_FSM_SCALE_PATH_BLOCKS): Likewise.
16612 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
16613 Only count PHIs in the last block in the path. The others will
16614 const/copy propagate away. Add heuristic to allow more irreducible
16615 subloops to be created when it is likely profitable to do so.
16617 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
16618 Fix typo in comment. Use gsi_after_labels and remove the GIMPLE_LABEL
16619 check from within the loop. Use gsi_next_nondebug rather than gsi_next.
16621 2016-01-27 Jakub Jelinek <jakub@redhat.com>
16624 * sanitizer.def: Add BEGIN_SANITIZER_BUILTINS and
16625 END_SANITIZER_BUILTINS markers using DEF_BUILTIN_STUB.
16626 * asan.c (DEF_BUILTIN_STUB): Temporarily define.
16627 * tree-streamer-in.c: Include asan.h.
16628 (streamer_get_builtin_tree): For builtins in sanitizer
16629 range call initialize_sanitizer_builtins and retry.
16631 2016-01-27 Ian Lance Taylor <iant@google.com>
16633 * common.opt (fkeep-gc-roots-live): New undocumented option.
16634 * tree-ssa-loop-ivopts.c (add_candidate_1): If
16635 -fkeep-gc-roots-live, skip pointers.
16636 (add_iv_candidate_for_biv): Handle add_candidate_1 returning
16639 2016-01-27 Uros Bizjak <ubizjak@gmail.com>
16642 * config/i386/i386.md (*zext<mode>_doubleword_and): New pattern.
16643 (*zext<mode>_doubleword): Disable for TARGET_ZERO_EXTEND_WITH_AND.
16645 2016-01-27 Thomas Klausner <wiz@NetBSD.org>
16648 * configure.ac: NetBSD provides SSP in its C library.
16649 * configure: Updated.
16651 2016-01-27 Richard Biener <rguenther@suse.de>
16653 PR tree-optimization/69166
16654 * tree-vect-loop.c (vect_is_simple_reduction): Always check
16655 reduction code for commutativity / associativity.
16657 2016-01-27 Martin Jambor <mjambor@suse.cz>
16659 PR tree-optimization/69355
16660 * tree-sra.c (analyze_access_subtree): Correct hole detection when
16661 total_scalarization fails.
16663 2016-01-27 David Edelsohn <dje.gcc@gmail.com>
16665 * config/rs6000/driver-rs6000.c (detect_processor_aix): Add
16668 2016-01-27 Christian Bruel <christian.bruel@st.com>
16671 * config/arm/arm-c.c (arm_pragma_target_parse): Add comments.
16672 Move arm_reset_previous_fndecl and set_target_option_current_node in
16673 the conditional part. Call save_restore_target_globals.
16674 * config/arm/arm.c (arm_set_current_function):
16675 Refactor to better support #pragma target and attribute mix.
16676 Call save_restore_target_globals.
16677 * config/arm/arm-protos.h (save_restore_target_globals): New function.
16679 2016-01-27 Martin Liska <mliska@suse.cz>
16681 * hsa.c (hsa_summary_t::link_functions): Create IPA_REF_ADDR
16682 reference for an HSA kernel and its host function.
16684 2016-01-27 Jakub Jelinek <jakub@redhat.com>
16686 PR tree-optimization/69399
16687 * wide-int.h (wi::lrshift): For larger precisions, only
16688 use fast path if shift is known to be < HOST_BITS_PER_WIDE_INT.
16690 2016-01-27 Claudiu Zissulescu <claziss@synopsys.com>
16692 * config/arc/predicates.md (proper_comparison_operator): Reject
16693 constant-constant comparison.
16695 2016-01-26 Tom de Vries <tom@codesourcery.com>
16697 PR tree-optimization/69110
16698 * tree-data-ref.c (initialize_data_dependence_relation): Handle
16699 DR_NUM_DIMENSIONS == 0.
16701 2016-01-26 Abderrazek Zaafrani <a.zaafrani@samsung.com>
16702 Sebastian Pop <s.pop@samsung.com>
16704 * graphite-isl-ast-to-gimple.c (ternary_op_to_tree): Handle
16705 isl_ast_op_cond and isl_ast_op_select.
16706 (gcc_expression_from_isl_expr_op): Same.
16708 2016-01-26 Jason Merrill <jason@redhat.com>
16711 * tree.c (recompute_constructor_flags): Split out from
16713 (verify_constructor_flags): New.
16714 * tree.h: Declare them.
16716 2016-01-26 Iain Buclaw <ibuclaw@gdcproject.org>
16718 PR rtl-optimization/69217
16719 * var-tracking.c (tracked_record_parameter_p): Don't segfault if there
16720 are no TYPE_FIELDS set for the record type.
16722 2016-01-26 Jakub Jelinek <jakub@redhat.com>
16725 * config/rs6000/rs6000.c (rs6000_option_override_internal): Initialize
16726 toc_label_name unconditionally.
16727 (rs6000_emit_load_toc_table): Call ggc_strdup on toc_label_name for
16728 SYMBOL_REF string. Use toc_label_name instead of constructing
16730 (rs6000_elf_declare_function_name): Use toc_label_name instead of
16731 constructing LCTOC1.
16733 2016-01-26 Martin Sebor <msebor@redhat.com>
16736 * doc/extend.texi (Common Type Attributes): Move text that talks about
16737 attribute packed from attribute aligned to the section discussing
16738 the former attribute for clarity.
16740 2016-01-26 Richard Henderson <rth@redhat.com>
16742 PR middle-end/60908
16743 * trans-mem.c (tm_region_init): Mark entry block as visited.
16745 2016-01-26 David Malcolm <dmalcolm@redhat.com>
16748 * diagnostic-show-locus.c (layout::print_source_line): Replace
16749 call to pp_newline with call to layout::print_newline.
16750 (layout::print_annotation_line): Likewise.
16751 (layout::move_to_column): Likewise.
16752 (layout::print_any_fixits): After printing any fixits, print a
16753 trailing newline, if necessary.
16754 (layout::print_newline): New method, resetting any colorization
16756 (diagnostic_show_locus): Move the pp_newline to before the
16757 early bailout. Remove dummy block enclosing the layout instance.
16758 * diagnostic.c (default_diagnostic_finalizer): Replace invocation
16759 of pp_newline_and_flush with pp_flush.
16760 (diagnostic_append_note): Delete use of pp_newline.
16761 (diagnostic_append_note_at_rich_loc): Delete.
16762 * diagnostic.h (diagnostic_append_note_at_rich_loc): Delete.
16763 * pretty-print.h (output_buffer_append_r): Reset buff->line_length
16764 when newline characters are added to the buffer.
16766 2016-01-26 Michael Matz <matz@suse.de>
16768 * configure.ac (ac_cv_std_swap_in_utility): New test.
16769 * system.h (<algorithm>): Check HAVE_SWAP_IN_UTILITY as well.
16770 * configure: Regenerate.
16771 * config.in: Regenerate.
16773 2016-01-26 Claudiu Zissulescu <claziss@synopsys.com>
16775 * config/arc/arc.md (cstoresi4): Force operand into register.
16776 (arcset<code>): Fix predicate.
16777 (arcsetltu): Likewise.
16778 (arcsetgeu): Likewise.
16779 (arcsethi): Likewise.
16780 (arcsetls): Likewise.
16782 2016-01-26 Jakub Jelinek <jakub@redhat.com>
16784 PR tree-optimization/69483
16785 * gimple-fold.c (canonicalize_constructor_val): Return NULL
16786 if base has error_mark_node type.
16788 2016-01-26 Christophe Lyon <christophe.lyon@linaro.org>
16791 * config/arm/arm.c (neon_valid_immediate): Handle FP16 vectors.
16792 * config/arm/arm_neon.h (__ARM_NUM_LANES, __arm_lane, arm_lanq):
16794 (vget_lane_f16): Handle big-endian.
16795 (vgetq_lane_f16): Likewise.
16796 (vset_lane_f16): Likewise.
16797 (vsetq_lane_f16): Likewise.
16798 * config/arm/iterators.md (VQXMOV): Add V8HF.
16799 (VDQ): Add V4HF and V8HF.
16800 (V_reg): Handle V4HF and V8HF.
16801 (Is_float_mode): Likewise.
16802 * config/arm/neon.md (movv4hf, movv8hf, neon_vdup_nv4hf,
16803 neon_vdup_nv8hf): New patterns.
16804 (vec_set<mode>_internal, vec_extract<mode>, neon_vld1_dup<mode>):
16805 Use VD_LANE iterator.
16806 (neon_vld1_dup<mode>): Use VQ2 iterator.
16808 2016-01-26 Nathan Sidwell <nathan@acm.org>
16810 * omp-low.h (oacc_fn_attrib_kernels_p): Declare.
16811 (set_oacc_fn_attrib): Add IS_KERNEL arg.
16812 * omp-low.c (set_oacc_fn_attrib): Add IS_KERNEL arg.
16813 (oacc_fn_attrib_kernels_p, oacc_fn_attrib_level): New.
16814 (expand_omp_target): Pass is_kernel to set_oacc_fn_attrib.
16815 (oacc_validate_dims): Add LEVEL arg, don't return level.
16816 (new_oacc_loop_routine): Use oacc_fn_attrib_level, not
16817 oacc_validate_dims.
16818 (execute_oacc_device_lower): Adjust, add more dump output.
16819 * tree-ssa-loop.c (gate_oacc_kernels): Use
16820 oacc_fn_attrib_kernels_p.
16821 * tree-parloops.c (create_parallel_loop): Adjust
16822 set_oacc_fn_attrib call.
16824 2016-01-26 Jakub Jelinek <jakub@redhat.com>
16827 * lto-wrapper.c (merge_and_complain): Handle -fcilkplus.
16828 (append_compiler_options): Handle -fcilkplus.
16829 (append_linker_options): Ignore -fno-{openmp,openacc,cilkplus}.
16831 2016-01-26 Nick Clifton <nickc@redhat.com>
16834 * config/i386/winnt.c (i386_pe_binds_local_p): If a function has
16835 been marked as DECL_ONE_ONLY but we do not the means to make it
16836 so, then do not allow it to bind locally.
16838 2016-01-26 Jakub Jelinek <jakub@redhat.com>
16841 * opts.h (parse_sanitizer_options): New prototype.
16842 * opts.c (sanitizer_opts): New array.
16843 (parse_sanitizer_options): New function.
16844 (common_handle_option): Use parse_sanitizer_options.
16846 2016-01-26 H.J. Lu <hongjiu.lu@intel.com>
16849 * config/i386/i386.c (ix86_compute_frame_layout): Move stack
16850 alignment adjustment to ...
16851 (ix86_update_stack_boundary): Here. Don't over-align stack for
16853 (ix86_finalize_stack_realign_flags): Use stack_alignment_needed
16854 if __tls_get_addr is called.
16856 2016-01-26 Christian Bruel <christian.bruel@st.com>
16858 * doc/sourcebuild.texi (arm_crypto_pragma_ok): Remove.
16860 2016-01-26 Eric Botcazou <ebotcazou@adacore.com>
16862 * config/ia64/ia64.c (ia64_expand_vecint_compare): Use gen_int_mode.
16864 2016-01-26 Richard Biener <rguenther@suse.de>
16866 PR middle-end/69467
16867 * match.pd: Guard X * CST CMP 0 pattern with single_use.
16869 2016-01-26 Richard Biener <rguenther@suse.de>
16871 PR tree-optimization/69452
16872 * tree-ssa-loop-im.c (move_computations_dom_walker): Remove.
16873 (move_computations_dom_walker::before_dom_children): Rename
16875 (move_computations_worker): This.
16876 (move_computations): Perform an RPO rather than a DOM walk.
16878 2016-01-26 Jakub Jelinek <jakub@redhat.com>
16881 * combine.c (combine_instructions): For REG_EQUAL note with
16882 SET_DEST being ZERO_EXTRACT, also temporarily set SET_DEST
16883 to the underlying register.
16884 * doc/rtl.texi (REG_EQUAL): Document the behavior of
16885 REG_EQUAL/REG_EQUIV notes if SET_DEST is ZERO_EXTRACT.
16887 2016-01-26 Roger Ferrer Ibáñez <rofirrim@gmail.com>
16890 * config/aarch64/aarch64-builtins.c
16891 (aarch64_init_simd_builtin_types): Do not set structural
16892 equality to __Poly{8,16,64,128}_t types.
16894 2016-01-26 Richard Sandiford <richard.sandiford@arm.com>
16896 PR tree-optimization/69400
16897 * wide-int.cc (wi_pack): Take the precision as argument and
16898 perform canonicalization here rather than in the callers.
16899 Use the main loop to handle all full-width HWIs. Add a
16900 zero HWI if in_len isn't a full result.
16901 (wi::divmod_internal): Update accordingly.
16902 (wi::mul_internal): Likewise. Simplify.
16904 2016-01-25 Aditya Kumar <aditya.k7@samsung.com>
16905 Sebastian Pop <s.pop@samsung.com>
16907 * graphite-poly.c (apply_poly_transforms): Simplify.
16908 (print_isl_set): Use more readable format: ISL_YAML_STYLE_BLOCK.
16909 (print_isl_map): Same.
16910 (print_isl_union_map): Same.
16911 (print_isl_schedule): New.
16912 (debug_isl_schedule): New.
16913 * graphite-dependences.c (scop_get_reads): Do not call
16914 isl_union_map_add_map that is undocumented isl functionality.
16915 (scop_get_must_writes): Same.
16916 (scop_get_may_writes): Same.
16917 (scop_get_original_schedule): Remove.
16918 (scop_get_dependences): Do not call isl_union_map_compute_flow that
16919 is deprecated in isl 0.15. Instead, use isl_union_access_* interface.
16920 (compute_deps): Remove.
16921 * graphite-isl-ast-to-gimple.c (print_schedule_ast): New.
16922 (debug_schedule_ast): New.
16923 (translate_isl_ast_to_gimple::scop_to_isl_ast): Call
16924 set_separate_option.
16925 (graphite_regenerate_ast_isl): Add dump.
16926 (translate_isl_ast_to_gimple::scop_to_isl_ast): Generate code
16927 from scop->transformed_schedule.
16928 (graphite_regenerate_ast_isl): Add more dump.
16929 * graphite-optimize-isl.c (optimize_isl): Set
16930 scop->transformed_schedule. Check whether schedules are equal.
16931 (apply_poly_transforms): Move here.
16932 * graphite-poly.c (apply_poly_transforms): ... from here.
16933 (free_poly_bb): Static.
16934 (free_scop): Static.
16935 (pbb_number_of_iterations_at_time): Remove.
16936 (print_isl_ast): New.
16937 (debug_isl_ast): New.
16938 (debug_scop_pbb): New.
16939 * graphite-scop-detection.c (print_edge): Move.
16940 (print_sese): Move.
16941 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Remove.
16942 (build_scop_scattering): Remove.
16943 (create_pw_aff_from_tree): Assert instead of bailing out.
16944 (add_condition_to_pbb): Remove unused code, do not fail.
16945 (add_conditions_to_domain): Same.
16946 (add_conditions_to_constraints): Remove.
16947 (build_scop_context): New.
16948 (add_iter_domain_dimension): New.
16949 (build_iteration_domains): Initialize pbb->iterators.
16950 Call add_conditions_to_domain.
16953 (index_outermost_in_loop): New.
16954 (index_pbb_in_loop): New.
16955 (outermost_pbb_in): New.
16956 (add_in_sequence): New.
16957 (add_outer_projection): New.
16958 (outer_projection_mupa): New.
16959 (add_loop_schedule): New.
16960 (build_schedule_pbb): New.
16961 (build_schedule_loop): New.
16962 (embed_in_surrounding_loops): New.
16963 (build_schedule_loop_nest): New.
16964 (build_original_schedule): New.
16965 (build_poly_scop): Call build_original_schedule.
16966 * graphite.h: Declare print_isl_schedule and debug_isl_schedule.
16967 (free_poly_dr): Remove.
16968 (struct poly_bb): Add iterators. Remove schedule, transformed, saved.
16969 (free_poly_bb): Remove.
16970 (debug_loop_vec): Remove.
16971 (print_isl_ast): Declare.
16972 (debug_isl_ast): Declare.
16973 (scop_do_interchange): Remove.
16974 (scop_do_strip_mine): Remove.
16975 (scop_do_block): Remove.
16976 (flatten_all_loops): Remove.
16977 (optimize_isl): Remove.
16978 (pbb_number_of_iterations_at_time): Remove.
16979 (debug_scop_pbb): Declare.
16980 (print_schedule_ast): Declare.
16981 (debug_schedule_ast): Declare.
16982 (struct scop): Remove schedule. Add original_schedule,
16983 transformed_schedule.
16984 (free_gimple_poly_bb): Remove.
16985 (print_generated_program): Remove.
16986 (debug_generated_program): Remove.
16987 (unify_scattering_dimensions): Remove.
16988 * sese.c (print_edge): ... here.
16989 (print_sese): ... here.
16990 (debug_edge): ... here.
16991 (debug_sese): ... here.
16992 * sese.h (print_edge): Declare.
16993 (print_sese): Declare.
16994 (dump_edge): Declare.
16995 (dump_sese): Declare.
16997 2016-01-25 Aditya Kumar <aditya.k7@samsung.com>
16998 Sebastian Pop <s.pop@samsung.com>
17000 * Makefile.in: Set ISLVER in site.exp.
17002 2016-01-25 Jakub Jelinek <jakub@redhat.com>
17004 * omp-low.c (lower_omp_target) <case USE_DEVICE_PTR>: Set
17005 DECL_VALUE_EXPR of new_var even for the non-array case. Look
17006 through DECL_VALUE_EXPR for expansion.
17008 2016-01-25 Bernd Edlinger <bernd.edlinger@hotmail.de>
17010 * config/mips/mips.c (mips_compute_frame_info): Skip re-computing
17011 the frame info after reload completed.
17013 2016-01-25 Jeff Law <law@redhat.com>
17015 PR tree-optimization/69196
17016 PR tree-optimization/68398
17017 * tree-ssa-threadupdate.h (enum bb_dom_status): Moved here from
17018 tree-ssa-threadupdate.c.
17019 (determine_bb_domination_status): Prototype
17020 * tree-ssa-threadupdate.c (enum bb_dom_status): Remove
17021 (determine_bb_domination_status): No longer static.
17022 (valid_jump_thread_path): Remove code to detect characteristics
17023 of the jump thread path not associated with correctness.
17024 * tree-ssa-threadbackward.c (fsm_find_control_statment_thread_paths):
17025 Correct test for thread path length. Count PHIs for real operands as
17026 statements that need to be copied. Do not count ASSERT_EXPRs.
17027 Look at all the blocks in the thread path. Compute and selectively
17028 filter thread paths based on threading through the latch, threading
17029 a multiway branch or crossing a multiway branch.
17031 2016-01-25 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
17033 * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): Add
17034 decl with __attribute__ ((unused)) annotation.
17036 2016-01-25 Ilya Enkovich <enkovich.gnu@gmail.com>
17039 * tree-vect-stmts.c (vectorizable_condition): Check vectype
17040 of operands is compatible with a statement vectype.
17042 2016-01-25 Eric Botcazou <ebotcazou@adacore.com>
17044 * doc/extend.texi (scalar_storage_order type attribute): Fix typo and
17045 improve wording for mixed storage order support.
17047 2016-01-25 Bilyan Borisov <bilyan.borisov@arm.com>
17049 * config/aarch64/arm_neon.h (vcvt_s64_f64): New intrinsic.
17050 (vcvt_u64_f64): Likewise.
17051 (vcvta_s64_f64): Likewise.
17052 (vcvta_u64_f64): Likewise.
17053 (vcvtm_s64_f64): Likewise.
17054 (vcvtm_u64_f64): Likewise.
17055 (vcvtn_s64_f64): Likewise.
17056 (vcvtn_u64_f64): Likewise.
17057 (vcvtp_s64_f64): Likewise.
17058 (vcvtp_u64_f64): Likewise.
17060 2016-01-25 Claudiu Zissulescu <claziss@synopsys.com>
17062 * config/arc/arc.c (TARGET_DWARF_REGISTER_SPAN): Define.
17063 (arc_init): Check validity mll64 option.
17064 (arc_save_restore): Use double load/store instruction.
17065 (arc_expand_movmem): Likewise.
17066 (arc_split_move): Don't split if we have double load/store
17067 instructions. Returns a boolean.
17068 (arc_process_double_reg_moves): Change function to return boolean
17069 instead of a sequence of instructions.
17070 (arc_dwarf_register_span): New function.
17071 * config/arc/arc-protos.h (arc_split_move): Change prototype.
17072 * config/arc/arc.h (TARGET_CPU_CPP_BUILTINS): Define __ARC_LL64__.
17073 * config/arc/arc.md (*movdi_insn): Emit ldd/std instructions.
17074 (*movdf_insn): Likewise.
17075 * config/arc/arc.opt (mll64): New option.
17076 * config/arc/predicates.md (even_register_operand): New predicate.
17077 * doc/invoke.texi (ARC Options): Add mll64 documentation.
17079 2016-01-25 Richard Biener <rguenther@suse.de>
17082 * dwarf2out.c (is_naming_typedef_decl): Not when DECL_NAMELESS.
17083 * tree-streamer-out.c (pack_ts_base_value_fields): Stream
17085 * tree-streamer-in.c (unpack_ts_base_value_fields): Likewise.
17087 2016-01-25 Richard Biener <rguenther@suse.de>
17089 PR tree-optimization/69376
17090 * tree-ssa-sccvn.h (struct vn_ssa_aux): Add range_info_anti_range_p
17092 (VN_INFO_ANTI_RANGE_P): New inline.
17093 (VN_INFO_RANGE_TYPE): Likewise.
17094 * tree-ssa-sccvn.c (set_ssa_val_to): Also record and copy
17095 SSA_NAME_ANTI_RANGE_P.
17096 (free_scc_vn): Restore SSA_NAME_ANTI_RANGE_P.
17097 * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
17098 Properly query VN_INFO_RANGE_TYPE.
17100 2016-01-25 Nick Clifton <nickc@redhat.com>
17103 * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Remove definition.
17105 2016-01-23 Tom de Vries <tom@codesourcery.com>
17107 PR tree-optimization/69426
17108 * tree-parloops.c (eliminate_local_variables_stmt): Handle vdef of
17111 2016-01-23 Jakub Jelinek <jakub@redhat.com>
17113 * tree-ssanames.c (release_free_names_and_compact_live_names): Replace
17114 "the the" with "the" in the comments.
17115 * ipa-devirt.c (build_type_inheritance_graph,
17116 update_type_inheritance_graph): Likewise.
17117 * tree.c (build_function_type_list_1): Likewise.
17118 * cfgloopmanip.c (scale_loop_profile): Likewise.
17119 * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Likewise.
17120 * gimple-ssa-split-paths.c
17121 (find_block_to_duplicate_for_splitting_paths): Likewise.
17122 * tree-sra.c (init_subtree_with_zero, clobber_subtree): Likewise.
17123 * expr.c (convert_move): Likewise.
17124 * var-tracking.c (vt_stack_adjustments): Likewise.
17125 * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
17126 * tree-vrp.c (test_for_singularity): Likewise.
17128 * tree-vect-stmts.c (vectorizable_condition): Build a VEC_COND_EXPR
17129 directly instead of building a temporary tree.
17132 * genrecog.c: Define INCLUDE_ALGORITHM before including system.h,
17133 remove <algorithm> include.
17135 2016-01-22 Jakub Jelinek <jakub@redhat.com>
17138 * config/i386/i386.c: Include dojump.h.
17139 (expand_small_movmem_or_setmem,
17140 expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Spelling
17142 (ix86_expand_set_or_movmem): Call do_pending_stack_adjust () early
17143 if dynamic_check != -1.
17145 2016-01-21 Jeff Law <law@redhat.com>
17147 PR middle-end/69347
17148 * tree-ssa-dom.c (back_propagate_equivalences): Factored out of
17149 record_temporary_equivalences. Rewritten to avoid unnecessary calls
17150 into dominated_by_p.
17151 (cprop_into_successor_phis): Avoid unnecessary tests.
17153 2016-01-22 Richard Henderson <rth@redhat.com>
17156 * config/aarch64/aarch64.md (UNSPEC_NZCV): New.
17157 (ccmp<mode>, fccmp<mode>, fccmpe<mode>): Use it.
17159 2016-01-22 Michael Matz <matz@suse.de>
17161 * system.h (string, algorithm): Include only conditionally.
17162 (new): Include always under C++.
17163 * bb-reorder.c (toplevel): Define INCLUDE_ALGORITHM.
17164 * final.c (toplevel): Ditto.
17165 * ipa-chkp.c (toplevel): Define INCLUDE_STRING.
17166 * genconditions.c (write_header): Make gencondmd.c define
17168 * mem-stats.h (mem_usage::print_dash_line): Don't use std::string.
17170 * config/aarch64/aarch64.c (toplevel): Define INCLUDE_STRING.
17171 * common/config/aarch64/aarch64-common.c (toplevel): Ditto.
17173 2016-01-22 Christian Bruel <christian.bruel@st.com>
17176 * expr.c (expand_expr_real_1): Reset DECL_MODE if VECTOR_TYPE_P changed.
17178 2016-01-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
17181 * config/arm/thumb2.md (*thumb2_ior_scc_strict_it): Convert to
17182 define_insn_and_split. Ensure operands[1] and operands[0] do not
17183 get assigned the same register.
17185 2016-01-22 Kugan Vivekanandarajah <kuganv@linaro.org>
17187 * ipa-prop.c (ipa_set_jf_constant): Remove redundant unshare_expr.
17189 2016-01-22 Christian Bruel <christian.bruel@st.com>
17191 * config/arm/arm-c.c (arm_pragma_target_parse):
17192 Remove warn_builtin_macro_redefined overwrite.
17194 2016-01-22 Eric Botcazou <ebotcazou@adacore.com>
17196 * ipa-inline.c (can_inline_edge_p): Back out overzealous check on
17197 flag_non_call_exceptions compatibility.
17199 2016-01-22 Jakub Jelinek <jakub@redhat.com>
17202 * dwarf2out.c (add_child_die_after): New function.
17203 (dwarf_qual_info_t): New type.
17204 (dwarf_qual_info): New variable.
17205 (qualified_die_p): New function.
17206 (modified_type_die): For -fdebug-types-section, ensure
17207 canonical order of qualifiers. Put qualified DIEs adjacent
17208 to the corresponding non-qualified type DIE and search there
17209 for existing qualified DIEs.
17211 2016-01-22 Eric Botcazou <ebotcazou@adacore.com>
17213 * doc/extend.texi (scalar_storage_order type attribute): Document
17214 restriction on type punning and aliasing, and remove future tense.
17216 2016-01-21 Roman Zhuykov <zhroma@ispras.ru>
17219 * modulo-sched.c (optimize_sc): Allow branch-scheduling to add a new
17222 2016-01-21 Jeff Law <law@redhat.com>
17224 PR middle-end/69347
17225 * tree-ssa-dom.c (dom_opt_dom_walker::thread_across_edge): Avoid
17226 useless call to record_temporary_equivalences.
17227 * tree-ssa-threadbackward.c (find_jump_threads_backwards): Just
17228 allocate 10 slots in the bb_path vector and let it grow as needed.
17229 (fsm_find_control_statement_thread_paths): Similarly for the next_path
17232 2016-01-21 David Edelsohn <dje.gcc@gmail.com>
17234 * configure.ac (gcc_cv_as_powerpc_mfcrf, gcc_cv_as_machine_directive):
17236 * configure: Regenerate.
17238 2016-01-21 Pat Haugen <pthaugen@us.ibm.com>
17240 * config/rs6000/aix71.h (ASM_CPU_SPEC): Add entry for Power9.
17241 * config/rs6000/driver-rs6000.c (struct asm_names): Likewise.
17243 2016-01-21 Bernd Schmidt <bschmidt@redhat.com>
17245 PR middle-end/66178
17246 * expr.c (expand_expr_real_2) [PLUS_EXPR, MINUS_EXPR]: Don't
17247 drop EXPAND_INITIALIZER.
17248 * rtl.h (contains_symbolic_reference_p): Declare.
17249 * rtlanal.c (contains_symbolic_reference_p): New function.
17250 * simplify-rtx.c (simplify_binary_operation_1): Don't turn
17251 a subtraction into a NOT if symbolic constants are involved.
17253 2016-01-21 Anton Blanchard <anton@samba.org>
17254 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
17257 * config/rs6000/linux64.h (TARGET_KEEP_LEAF_WHEN_PROFILED): New
17259 * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): New
17262 2016-01-21 Ajit Agarwal <ajitkum@xilinx.com>
17264 * config/microblaze/microblaze.c
17265 (get_branch_target): New.
17266 (insert_wic_for_ilb_runout): New.
17268 (microblaze_machine_dependent_reorg): New.
17269 (TARGET_MACHINE_DEPENDENT_REORG): Define macro.
17270 * config/microblaze/microblaze.md
17271 (UNSPEC_IPREFETCH): Define.
17272 (iprefetch): New pattern
17273 * config/microblaze/microblaze.opt
17274 (mxl-prefetch): New flag.
17276 2016-01-21 Ajit Agarwal <ajitkum@xilinx.com>
17278 * config/microblaze/microblaze.h
17279 (FIXED_REGISTERS): Update in macro.
17280 (CALL_USED_REGISTERS): Update in macro.
17282 2016-01-21 Yuri Rumyantsev <ysrumyan@gmail.com>
17284 PR rtl-optimization/68920
17285 * ifcvt.c (cond_move_process_if_block): Limit number of conditional
17288 2016-01-21 Vladimir Makarov <vmakarov@redhat.com>
17290 PR rtl-optimization/68990
17291 * lra-coalesce.c (lra_coalesce): Invalidate value for the result
17292 pseudo instead of inheritance ones.
17294 2016-01-21 Bernd Edlinger <bernd.edlinger@hotmail.de>
17295 Nick Clifton <nickc@redhat.com>
17299 * config/mips/mips.c (mips_compute_frame_info): Initialise
17300 args_size and hard_frame_pointer_offset fields of the frame
17301 structure before calling mips_global_pointer.
17303 2016-01-21 David Edelsohn <dje.gcc@gmail.com>
17305 * configure.ac (gcc_cv_as_dwloc): Test support for debug frame section
17307 * configure: Regenerate.
17309 2016-01-21 Richard Biener <rguenther@suse.de>
17311 * graphite-optimize-isl.c (get_schedule_map): Fix typo.
17313 2016-01-21 Marcin Kościelnicki <koriakin@0x04.net>
17315 * config/s390/s390.c (s390_asm_declare_function_size): Add code
17316 to actually emit the .size directive.
17318 2016-01-21 Stefan Sørensen <stefan.sorensen@spectralink.com>
17319 Jakub Jelinek <jakub@redhat.com>
17323 * config/arm/arm-builtins.c (arm_expand_neon_builtin): Increase
17324 args array size by one to avoid buffer overflow.
17326 2016-01-21 Marcin Kościelnicki <koriakin@0x04.net>
17328 * config/s390/s390.md (pool_section_start): Use switch_to_section
17329 to select proper read-only data section instead of hardcoding
17331 (pool_section_end): Use switch_to_section to match the above.
17333 2016-01-21 Richard Biener <rguenther@suse.de>
17335 PR tree-optimization/69378
17336 * tree-ssa-sccvn.c (dominated_by_p_w_unex): New function.
17337 (set_ssa_val_to): Use it for dominance checks taking into
17338 account not executable edges.
17340 2016-01-21 Jakub Jelinek <jakub@redhat.com>
17343 * tree-dfa.c (get_ref_base_and_extent): Use GET_MODE_BITSIZE (mode)
17344 for bitsize instead of GET_MODE_PRECISION (mode).
17346 2016-01-20 Martin Sebor <msebor@redhat.com>
17349 * extend.texi (__sync Builtins): Clarify the semantics of
17350 __sync_fetch_and_OP built-ins on pointers.
17351 (__atomic Builtins): Same.
17353 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
17354 Sebastian Pop <s.pop@samsung.com>
17356 * graphite-isl-ast-to-gimple.c (enum phi_node_kind): New.
17357 (class translate_isl_ast_to_gimple): Use phi_node_kind instead of bool.
17358 (is_valid_rename): Same.
17359 (translate_isl_ast_to_gimple::get_rename): Same.
17360 (translate_isl_ast_to_gimple::rename_all_uses): Same.
17361 (translate_isl_ast_to_gimple::rename_uses): Same.
17362 (get_new_name): Check for close_phi nodes.
17363 (copy_loop_phi_args): Use phi_node_kind.
17364 (translate_isl_ast_to_gimple::copy_loop_close_phi_args): Same.
17365 (translate_isl_ast_to_gimple::copy_cond_phi_args): Same.
17367 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
17368 Sebastian Pop <s.pop@samsung.com>
17370 Revert commit r229783.
17371 * graphite-isl-ast-to-gimple.c (gcc_expression_from_isl_ast_expr_id):
17372 Remove use of parameter_rename_map.
17373 (copy_def): Remove.
17374 (copy_internal_parameters): Remove.
17375 (graphite_regenerate_ast_isl): Remove call to copy_internal_parameters.
17376 * sese.c (new_sese_info): Do not initialize parameter_rename_map.
17377 (free_sese_info): Do not free parameter_rename_map.
17378 (set_rename): Do not use parameter_rename_map.
17379 (rename_uses): Update call to set_rename.
17380 (graphite_copy_stmts_from_block): Do not use parameter_rename_map.
17381 * sese.h (parameter_rename_map_t): Remove.
17382 (struct sese_info_t): Remove field parameter_rename_map.
17384 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
17385 Sebastian Pop <s.pop@samsung.com>
17387 * graphite-isl-ast-to-gimple.c: Fix comment.
17388 * graphite-scop-detection.c (defined_in_loop_p): New.
17389 (canonicalize_loop_closed_ssa): Do not add close phi nodes for SSA
17390 names defined in loop.
17392 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
17393 Sebastian Pop <s.pop@samsung.com>
17395 * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
17396 Discard unstructured if-then-else regions.
17398 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
17399 Sebastian Pop <s.pop@samsung.com>
17401 * graphite-sese-to-poly.c (set_scop_parameter_dim): Remove.
17402 (cleanup_loop_iter_dom): Remove.
17403 (build_loop_iteration_domains): Remove.
17404 (build_scop_context): Remove.
17405 (build_scop_iteration_domain): Remove.
17406 (add_loop_constraints): New.
17407 (build_iteration_domains): New.
17408 (build_poly_scop): Call build_iteration_domains.
17410 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
17411 Sebastian Pop <s.pop@samsung.com>
17413 * graphite-scop-detection.c
17414 (scop_detection::harmful_loop_in_region): Free dom and loops.
17415 (scop_detection::loop_body_is_valid_scop): Free bbs.
17417 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
17418 Sebastian Pop <s.pop@samsung.com>
17420 * graphite-scop-detection.c (record_loop_in_sese): New.
17421 (gather_bbs::before_dom_children): Call record_loop_in_sese.
17422 (build_scops): Remove call to build_sese_loop_nests.
17423 * sese.c (sese_record_loop): Remove.
17424 (build_sese_loop_nests): Remove.
17425 (new_sese_info): Remove region->loops.
17426 (free_sese_info): Same.
17427 * sese.h (sese_contains_loop): Same.
17428 (build_sese_loop_nests): Remove.
17429 (sese_contains_loop): Remove.
17431 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
17432 Sebastian Pop <s.pop@samsung.com>
17434 * graphite-scop-detection.c (loop_is_valid_scop): Renamed
17435 loop_is_valid_in_scop.
17436 (scop_detection::harmful_stmt_in_region): Renamed
17437 harmful_loop_in_region.
17438 Call loop_is_valid_in_scop.
17440 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
17441 Sebastian Pop <s.pop@samsung.com>
17443 * graphite-isl-ast-to-gimple.c (translate_isl_ast): Also handle
17446 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
17447 Sebastian Pop <s.pop@samsung.com>
17449 * graphite-poly.c (new_poly_bb): Remove use of PBB_IS_REDUCTION.
17450 * graphite.h (struct poly_bb): Remove field is_reduction.
17451 (PBB_IS_REDUCTION): Remove.
17453 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
17454 Sebastian Pop <s.pop@samsung.com>
17456 * graphite-dependences.c (constrain_domain): Add call to isl_*_coalesce.
17457 (add_pdr_constraints): Same.
17458 (scop_get_reads): Same.
17459 (scop_get_must_writes): Same.
17460 (scop_get_may_writes): Same.
17461 (scop_get_original_schedule): Same.
17462 (extend_schedule): Same.
17463 (apply_schedule_on_deps): Same.
17464 (carries_deps): Same.
17465 (compute_deps): Same.
17466 (scop_get_dependences): Same.
17467 * graphite-isl-ast-to-gimple.c
17468 (translate_isl_ast_to_gimple::generate_isl_schedule): Same.
17469 * graphite-optimize-isl.c (get_schedule_for_band): Same.
17470 (get_schedule_for_band_list): Same.
17471 (get_schedule_map): Same.
17472 (apply_schedule_map_to_scop): Same.
17473 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
17474 (build_loop_iteration_domains): Same.
17475 (add_condition_to_pbb): Same.
17476 (add_param_constraints): Same.
17477 (pdr_add_memory_accesses): Same.
17478 (pdr_add_data_dimensions): Same.
17480 2016-01-20 Sandra Loosemore <sandra@codesourcery.com>
17482 * doc/invoke.texi (Instrumentation Options): Clarify -mmpx linking
17485 2016-01-20 Sandra Loosemore <sandra@codesourcery.com>
17487 * common.opt (feliminate-dwarf2-dups): Replace references to
17488 "DWARF 2" with just "DWARF".
17489 * config/ia64/ia64.opt (mdwarf2-asm): Likewise.
17490 * doc/extend.texi: Likewise.
17491 * doc/cpp.texi: Likewise.
17492 * doc/invoke.texi: Likewise.
17493 (Option Summary): Add -gdwarf to list of Debugging Options.
17494 (Debugging Options): Document -gdwarf.
17495 * doc/contrib.texi: Spell "DWARF" like that.
17497 2016-01-21 Jakub Jelinek <jakub@redhat.com>
17499 * omp-low.c (expand_omp_target): Avoid -Wmaybe-uninitialized
17500 warning. Fix up formatting.
17502 PR middle-end/67653
17503 * gimplify.c (gimplify_asm_expr): Warn if it is too late to
17504 attempt to mark memory input operand addressable and
17505 call prepare_gimple_addressable in that case. Don't adjust
17506 input_location for diagnostics, use error_at instead.
17508 2016-01-20 Peter Bergner <bergner@vnet.ibm.com>
17510 * config/rs6000/ppc-auxv.h: New file.
17511 * config/rs6000/rs6000-builtin.def (cpu_init): Add new builtin.
17512 (cpu_is): Likewise.
17513 (cpu_supports): Likewise.
17514 * config/rs6000/rs6000.c: include "ppc-auxv.h".
17515 (cpu_is_info): New variable.
17516 (cpu_supports_info): Likewise.
17517 (tcb_verification_symbol): Likewise.
17518 (cpu_builtin_p): Likewise.
17519 (cpu_expand_builtin): New function.
17520 (rs6000_expand_ternop_builtin): Add support for CPU builtin functions.
17521 (rs6000_init_builtins): Likewise.
17522 (rs6000_elf_file_end): Emit HWCAP in TCB verification symbol.
17523 * config/rs6000/rs6000.h (TLS_REGNUM): New define.
17524 * configure.ac (gcc_cv_libc_provides_hwcap_in_tcb): New test.
17525 * configure: Regenerate.
17526 * config.in: Likewise.
17527 * doc/extend.texi (PowerPC Built-in Functions): Document
17528 __builtin_cpu_init, __builtin_cpu_is and __builtin_cpu_supports.
17530 2016-01-20 David Edelsohn <dje.gcc@gmail.com>
17533 * config/rs6000/rs6000.c (rs6000_emit_swsqrt): Add vector sqrt
17535 * config/rs6000/vector.md (sqrt<mode>2): Call rs6000_emit_swsqrt
17538 2016-01-20 Richard Henderson <rth@redhat.com>
17544 * tree.c (tm_define_builtin): New.
17545 (find_tm_vector_type): New.
17546 (build_tm_vector_builtins): New.
17547 (build_common_builtin_nodes): Call it.
17549 2016-01-20 Christophe Lyon <christophe.lyon@linaro.org>
17551 * doc/sourcebuild.texi (arm_crypto_pragma_ok): Document new entry.
17552 (arm_fp_ok): Likewise.
17553 (arm_fp): Likewise.
17554 (arm_crypto): Likewise.
17556 2016-01-20 Ilya Enkovich <enkovich.gnu@gmail.com>
17557 Richard Biener <rguenther@suse.de>
17559 PR tree-optimization/69328
17560 * tree-vect-stmts.c (vect_is_simple_cond): Check compared
17561 vectors have same number of elements.
17562 (vectorizable_condition): Fix masked version recognition.
17564 2016-01-20 Richard Biener <rguenther@suse.de>
17566 PR tree-optimization/69345
17567 * tree-ssa-sccvn.h (VN_INFO_RANGE_INFO): New inline function.
17568 (VN_INFO_PTR_INFO): Likewise.
17569 * tree-ssa-sccvn.c (set_ssa_val_to): Avoid clearing points-to
17570 info when it is equal between non-dominating SSA names.
17571 * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
17572 Make sure to look at original SSA infos.
17574 2016-01-20 Jeff Law <law@redhat.com>
17577 * config/m68k/predicates.md (pow2_m1_operand): New predicate
17579 (reg_or_pow2_m1_operand): Call pow2_m1_operand.
17580 (pc_or_label_operand): New predicate.
17581 * config/m68k/m68k.md: Add new peephole2 patterns for GTU/LEU
17582 tests for small integers that are 2^n - 1.
17584 2016-01-20 Jonathan Wakely <jwakely@redhat.com>
17586 * doc/invoke.texi (Options Summary): Add '.' after @xref.
17588 2016-01-19 Jeff Law <law@redhat.com>
17590 PR middle-end/69347
17591 * tree-ssa-threadbackwards.c
17592 (fsm_find_control_statement_thread_paths): Do not try to lookup
17593 FSM paths for SSA_NAMEs appearing in abnormal PHIs.
17595 2016-01-20 Kugan Vivekanandarajah <kuganv@linaro.org>
17597 * doc/lto.texi: Remove text that says only Gold has linker plugin
17600 2016-01-19 Eric Botcazou <ebotcazou@adacore.com>
17602 * dwarf2out.c (need_endianity_attribute_p): New inline predicate.
17603 (base_type_die): Add REVERSE parameter and attach DW_AT_endianity to
17604 the DIE accordingly.
17605 (modified_type_die): Add REVERSE parameter and pass it recursively,
17606 as well as to base_type_die. Adjust presence check accordingly.
17607 (base_type_for_mode): Adjust call to modified_type_die.
17608 (add_type_attribute): Add REVERSE parameter and pass it to
17610 (generic_parameter_die): Adjust call to add_type_attribute.
17611 (add_scalar_info): Likewise.
17612 (add_subscript_info): Likewise.
17613 (gen_array_type_die): Likewise.
17614 (gen_descr_array_type_die): Likewise.
17615 (gen_entry_point_die): Likewise.
17616 (gen_enumeration_type_die): Likewise.
17617 (gen_formal_parameter_die): Likewise.
17618 (gen_subprogram_die): Likewise.
17619 (gen_variable_die ): Likewise.
17620 (gen_const_die): Likewise.
17621 (gen_field_die): Likewise.
17622 (gen_pointer_type_die): Likewise.
17623 (gen_reference_type_die): Likewise.
17624 (gen_ptr_to_mbr_type_die): Likewise.
17625 (gen_inheritance_die): Likewise.
17626 (gen_subroutine_type_die): Likewise.
17627 (gen_typedef_die): Likewise.
17628 (force_type_die): Adjust call to modified_type_die.
17630 2016-01-19 Sandra Loosemore <sandra@codesourcery.com>
17632 * doc/standards.texi: Copy-editing for grammar, markup, and sentence
17633 flow throughout the file. Fix broken link to Objective-C 2.0
17635 * doc/invoke.texi: More copy-editing; fix numerous typos and spelling
17638 2016-01-19 Wilco Dijkstra <wdijkstr@arm.com>
17640 * ccmp.c (expand_ccmp_expr_1): Avoid spurious unused warnings.
17642 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
17645 * ipa-devirt.c (is_cxa_pure_virtual_p): New function.
17646 (maybe_record_node): Record cxa_pure_virtual as the only possible
17647 target if there are not ohter candidates.
17648 (possible_polymorphic_call_target_p): Accept cxa_pure_virtual.
17650 2016-01-19 Richard Biener <rguenther@suse.de>
17652 * hsa-gen.c (get_memory_order_name): Use MEMMODEL_ constants.
17653 (get_memory_order): Likewise.
17655 2016-01-19 Kirill Yukhin <kirill.yukhin@intel.com>
17657 * tree-vect-stmts.c (vectorizable_store): Check
17660 2016-01-19 David Malcolm <dmalcolm@redhat.com>
17663 * gcc.c (driver::decode_argv): Add call to
17664 init_opts_obstack before init_options_struct.
17665 * opts.c (init_opts_obstack): Remove idempotency.
17666 (init_options_struct): Replace call to init_opts_obstack
17667 with a gcc_assert to verify that it has already been called.
17668 * toplev.c (toplev::main): Add call to init_opts_obstack before
17669 calls to init_options_struct.
17670 (toplev::finalize): Move cleanup of opts_obstack next to
17671 cleanup of save_decoded_options, clearing the latter, and
17672 save_decoded_options_count.
17674 2016-01-19 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
17677 * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Set "conds"
17678 attribute to unconditional. Remove %? from output template.
17680 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
17681 Jiong Wang <jiong.wang@arm.com>
17683 * ccmp.c (expand_ccmp_expr_1): Cost the instruction sequences
17684 generated from different expand order.
17686 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
17688 * /config/aarch64/aarch64.c (aarch64_if_then_else_costs):
17689 Add support for CCMP costing.
17691 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
17693 * ccmp.c (ccmp_candidate_p): Remove integer-only restriction.
17694 * config/aarch64/aarch64.md (fccmp<mode>): New pattern.
17695 (fccmpe<mode>): Likewise.
17696 (fcmp): Rename to fcmp and globalize pattern.
17698 * config/aarch64/aarch64.c (aarch64_gen_ccmp_first): Add FP support.
17699 (aarch64_gen_ccmp_next): Add FP support.
17701 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
17703 * target.def (gen_ccmp_first): Update documentation.
17704 (gen_ccmp_next): Likewise.
17705 * doc/tm.texi (gen_ccmp_first): Update documentation.
17706 (gen_ccmp_next): Likewise.
17707 * ccmp.c (expand_ccmp_expr): Extract cmp_code from return value of
17708 expand_ccmp_expr_1. Improve comments.
17709 * config/aarch64/aarch64.md (ccmp_and): Use if_then_else for ccmp.
17710 (ccmp_ior<mode>): Remove pattern.
17711 (cmp<mode>): Remove expand.
17712 (cmp): Globalize pattern.
17713 (cstorecc4): Use cc_register.
17714 (mov<mode>cc): Remove ccmp_cc_register check.
17715 * config/aarch64/aarch64.c (aarch64_get_condition_code_1):
17716 Simplify after removal of CC_DNE/* modes.
17717 (aarch64_ccmp_mode_to_code): Remove.
17718 (aarch64_print_operand): Remove 'K' case. Merge 'm' and 'M' cases.
17719 In 'k' case use integer as condition.
17720 (aarch64_nzcv_codes): Remove inverted cases.
17721 (aarch64_code_to_ccmode): Remove.
17722 (aarch64_gen_ccmp_first): Use cmp pattern directly. Return the correct
17723 comparison with CC register to be used in folowing CCMP/branch/CSEL.
17724 (aarch64_gen_ccmp_next): Use previous comparison and mode in CCMP
17725 pattern. Return the comparison with CC register. Invert conditions
17726 when bitcode is OR.
17727 * config/aarch64/aarch64-modes.def: Remove CC_DNE/* modes.
17728 * config/aarch64/predicates.md (ccmp_cc_register): Remove.
17730 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
17732 * cgraphunit.c (cgraph_node::reset): Clear thunk info and
17733 instrumented_version.
17735 2016-01-19 Richard Biener <rguenther@suse.de>
17737 PR tree-optimization/69336
17738 * tree-ssa-scopedtables.c (avail_expr_hash): Handle all
17739 handled components with get_ref_base_and_extent.
17740 (equal_mem_array_ref_p): Adjust.
17742 2016-01-19 Jakub Jelinek <jakub@redhat.com>
17745 * shrink-wrap.c: Include valtrack.h.
17746 (move_insn_for_shrink_wrap): Add DEBUG argument. If
17747 MAY_HAVE_DEBUG_INSNS, call dead_debug_add on DEBUG_INSNs
17748 in between insn and where it will be moved to. Call
17749 dead_debug_insert_temp.
17750 (prepare_shrink_wrap): Adjust caller. Call dead_debug_local_init
17751 first and dead_debug_local_finish at the end.
17752 For uses and defs bitmap, handle all regs in between REGNO and
17753 END_REGNO, not just the first one.
17755 2016-01-19 Richard Biener <rguenther@suse.de>
17757 PR tree-optimization/69352
17758 * tree-ssa-scopedtables.c (avail_expr_hash): Check for size == -1.
17759 (equal_mem_array_ref_p): Constrain size and max size properly.
17760 Compare the reverse flag.
17762 2016-01-19 Bernd Schmidt <bschmidt@redhat.com>
17764 * ira.c (ira): Update regstat data if we deleted insns.
17766 2016-01-19 Jakub Jelinek <jakub@redhat.com>
17768 PR rtl-optimization/68955
17769 PR rtl-optimization/64557
17770 * dse.c (record_store, check_mem_read_rtx): Don't call get_addr
17771 here. Fix up formatting.
17772 * alias.c (get_addr): Handle VALUE +/- CONST_SCALAR_INT_P.
17774 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
17777 * cgraphunit.c (cgraph_node::expand_thunk): When forcing gimple
17778 assume that the node has body.
17779 * cgraph.c (cgraph_node::get_untransformed_body): Use gimple_body_p
17782 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
17784 * lto-streamer-out.c (lto_output): Do not stream instrumentation
17787 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
17789 * symtab.c (symtab_node::asm_name): Do not call printable name directly.
17790 (symtab_node::name): Report name as unnamed if DECL_NAME is not set.
17792 2016-01-19 Martin Jambor <mjambor@suse.cz>
17793 Martin Liska <mliska@suse.cz>
17794 Michael Matz <matz@suse.de>
17796 * Makefile.in (OBJS): Add new source files.
17797 (GTFILES): Add hsa.c.
17798 * common.opt (disable_hsa): New variable.
17799 (-Whsa): New warning.
17800 * config.in (ENABLE_HSA): New.
17801 * configure.ac: Treat hsa differently from other accelerators.
17802 (OFFLOAD_TARGETS): Define ENABLE_OFFLOADING according to
17803 $enable_offloading.
17804 (ENABLE_HSA): Define ENABLE_HSA according to $enable_hsa.
17805 * doc/install.texi (Configuration): Document --with-hsa-runtime,
17806 --with-hsa-runtime-include, --with-hsa-runtime-lib and
17807 --with-hsa-kmt-lib.
17808 * doc/invoke.texi (-Whsa): Document.
17809 (hsa-gen-debug-stores): Likewise.
17810 * lto-wrapper.c (compile_images_for_offload_targets): Do not attempt
17811 to invoke offload compiler for hsa acclerator.
17812 * opts.c (common_handle_option): Determine whether HSA offloading
17813 should be performed.
17814 * params.def (PARAM_HSA_GEN_DEBUG_STORES): New parameter.
17815 * builtin-types.def (BT_FN_VOID_UINT_PTR_INT_PTR): New.
17816 (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_INT_INT): Removed.
17817 (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): New.
17818 * gimple-low.c (lower_stmt): Also handle GIMPLE_OMP_GRID_BODY.
17819 * gimple-pretty-print.c (dump_gimple_omp_for): Also handle
17820 GF_OMP_FOR_KIND_GRID_LOOP.
17821 (dump_gimple_omp_block): Also handle GIMPLE_OMP_GRID_BODY.
17822 (pp_gimple_stmt_1): Likewise.
17823 * gimple-walk.c (walk_gimple_stmt): Likewise.
17824 * gimple.c (gimple_build_omp_grid_body): New function.
17825 (gimple_copy): Also handle GIMPLE_OMP_GRID_BODY.
17826 * gimple.def (GIMPLE_OMP_GRID_BODY): New.
17827 * gimple.h (enum gf_mask): Added GF_OMP_PARALLEL_GRID_PHONY,
17828 GF_OMP_FOR_KIND_GRID_LOOP, GF_OMP_FOR_GRID_PHONY and
17829 GF_OMP_TEAMS_GRID_PHONY.
17830 (gimple_statement_omp_single_layout): Updated comments.
17831 (gimple_build_omp_grid_body): New function.
17832 (gimple_has_substatements): Also handle GIMPLE_OMP_GRID_BODY.
17833 (gimple_omp_for_grid_phony): New function.
17834 (gimple_omp_for_set_grid_phony): Likewise.
17835 (gimple_omp_parallel_grid_phony): Likewise.
17836 (gimple_omp_parallel_set_grid_phony): Likewise.
17837 (gimple_omp_teams_grid_phony): Likewise.
17838 (gimple_omp_teams_set_grid_phony): Likewise.
17839 (gimple_return_set_retbnd): Also handle GIMPLE_OMP_GRID_BODY.
17840 * omp-builtins.def (BUILT_IN_GOMP_OFFLOAD_REGISTER): New.
17841 (BUILT_IN_GOMP_OFFLOAD_UNREGISTER): Likewise.
17842 (BUILT_IN_GOMP_TARGET): Updated type.
17843 * omp-low.c: Include symbol-summary.h, hsa.h and params.h.
17844 (adjust_for_condition): New function.
17845 (get_omp_for_step_from_incr): Likewise.
17846 (extract_omp_for_data): Moved parts to adjust_for_condition and
17847 get_omp_for_step_from_incr.
17848 (build_outer_var_ref): Handle GIMPLE_OMP_GRID_BODY.
17849 (fixup_child_record_type): Bail out if receiver_decl is NULL.
17850 (scan_sharing_clauses): Handle OMP_CLAUSE__GRIDDIM_.
17851 (scan_omp_parallel): Do not create child functions for phony
17853 (check_omp_nesting_restrictions): Handle GIMPLE_OMP_GRID_BODY.
17854 (scan_omp_1_op): Checking assert we are not remapping to
17855 ERROR_MARK. Also also handle GIMPLE_OMP_GRID_BODY.
17856 (parallel_needs_hsa_kernel_p): New function.
17857 (expand_parallel_call): Register apprpriate parallel child
17858 functions as HSA kernels.
17859 (grid_launch_attributes_trees): New type.
17860 (grid_attr_trees): New variable.
17861 (grid_create_kernel_launch_attr_types): New function.
17862 (grid_insert_store_range_dim): Likewise.
17863 (grid_get_kernel_launch_attributes): Likewise.
17864 (get_target_argument_identifier_1): Likewise.
17865 (get_target_argument_identifier): Likewise.
17866 (get_target_argument_value): Likewise.
17867 (push_target_argument_according_to_value): Likewise.
17868 (get_target_arguments): Likewise.
17869 (expand_omp_target): Call get_target_arguments instead of looking
17870 up for teams and thread limit.
17871 (grid_expand_omp_for_loop): New function.
17872 (grid_arg_decl_map): New type.
17873 (grid_remap_kernel_arg_accesses): New function.
17874 (grid_expand_target_kernel_body): New function.
17875 (expand_omp): Call it.
17876 (lower_omp_for): Do not emit phony constructs.
17877 (lower_omp_taskreg): Do not emit phony constructs but create for them
17878 a temporary variable receiver_decl.
17879 (lower_omp_taskreg): Do not emit phony constructs.
17880 (lower_omp_teams): Likewise.
17881 (lower_omp_grid_body): New function.
17882 (lower_omp_1): Call it.
17883 (grid_reg_assignment_to_local_var_p): New function.
17884 (grid_seq_only_contains_local_assignments): Likewise.
17885 (grid_find_single_omp_among_assignments_1): Likewise.
17886 (grid_find_single_omp_among_assignments): Likewise.
17887 (grid_find_ungridifiable_statement): Likewise.
17888 (grid_target_follows_gridifiable_pattern): Likewise.
17889 (grid_remap_prebody_decls): Likewise.
17890 (grid_copy_leading_local_assignments): Likewise.
17891 (grid_process_kernel_body_copy): Likewise.
17892 (grid_attempt_target_gridification): Likewise.
17893 (grid_gridify_all_targets_stmt): Likewise.
17894 (grid_gridify_all_targets): Likewise.
17895 (execute_lower_omp): Call grid_gridify_all_targets.
17896 (make_gimple_omp_edges): Handle GIMPLE_OMP_GRID_BODY.
17897 * tree-core.h (omp_clause_code): Added OMP_CLAUSE__GRIDDIM_.
17898 (tree_omp_clause): Added union field dimension.
17899 * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__GRIDDIM_.
17900 * tree.c (omp_clause_num_ops): Added number of arguments of
17901 OMP_CLAUSE__GRIDDIM_.
17902 (omp_clause_code_name): Added name of OMP_CLAUSE__GRIDDIM_.
17903 (walk_tree_1): Handle OMP_CLAUSE__GRIDDIM_.
17904 * tree.h (OMP_CLAUSE_GRIDDIM_DIMENSION): New.
17905 (OMP_CLAUSE_SET_GRIDDIM_DIMENSION): Likewise.
17906 (OMP_CLAUSE_GRIDDIM_SIZE): Likewise.
17907 (OMP_CLAUSE_GRIDDIM_GROUP): Likewise.
17908 * passes.def: Schedule pass_ipa_hsa and pass_gen_hsail.
17909 * tree-pass.h (make_pass_gen_hsail): Declare.
17910 (make_pass_ipa_hsa): Likewise.
17911 * ipa-hsa.c: New file.
17912 * lto-section-in.c (lto_section_name): Add hsa section name.
17913 * lto-streamer.h (lto_section_type): Add hsa section.
17914 * timevar.def (TV_IPA_HSA): New.
17915 * hsa-brig-format.h: New file.
17916 * hsa-brig.c: New file.
17917 * hsa-dump.c: Likewise.
17918 * hsa-gen.c: Likewise.
17921 * toplev.c (compile_file): Call hsa_output_brig.
17922 * hsa-regalloc.c: New file.
17924 2016-01-18 Jeff Law <law@redhat.com>
17926 PR tree-optimization/69320
17927 * tree-ssa-dom.c (record_edge_info): For comparisons against a boolean
17928 ranged object, do nothing if the RHS constant is not [0..1].
17929 (optimize_stmt): Comparing a boolean ranged object against a
17930 constant outside [0..1] results in a compile-time constant.
17932 * tree-ssanames.c (ssa_name_has_boolean_range): Remove unnecessary
17935 2016-01-18 Sandra Loosemore <sandra@codesourcery.com>
17937 * doc/invoke.texi (Invoking GCC): Add new section to menu.
17938 (Option Summary): Update to reflect new section and moved options.
17939 (C++ Dialect Options): Move -fstats to new section.
17940 (Debugging Options): Move all dump, statistics, and other GCC
17941 developer options to new section. Rewrite section introduction
17942 and re-order remaining options to put the more basic ones first.
17943 (Optimization Options): Move -fira-verbose and -flto-report* to
17945 (Developer Options): New section incorporating moved options.
17946 * doc/cppopts.texi (-dM): Update cross-reference.
17948 2016-01-18 Richard Henderson <rth@redhat.com>
17951 * config/aarch64/aarch64.md (add<GPI>3): Move long immediate
17952 operands to pseudo only if CSE is expected. Split long immediate
17953 operands only after reload, and for the stack pointer.
17954 (*add<GPI>3_pluslong): Remove.
17955 (*addsi3_aarch64, *adddi3_aarch64): Merge into...
17956 (*add<GPI>3_aarch64): ... here. Add r/rk/Upl alternative.
17957 (*addsi3_aarch64_uxtw): Add r/rk/Upl alternative.
17958 (*add<GPI>3 peepholes): New.
17959 (*add<GPI>3 splitters): New.
17960 * config/aarch64/constraints.md (Upl): New.
17961 * config/aarch64/predicates.md (aarch64_pluslong_strict_immedate): New.
17963 2016-01-18 Richard Biener <rguenther@suse.de>
17965 PR tree-optimization/69297
17966 * tree-vect-slp.c (vect_bb_slp_scalar_cost): Count each scalar
17968 (vect_bb_vectorization_profitable_p): Clear visited flag again.
17970 2016-01-18 Yuri Rumyantsev <ysrumyan@gmail.com>
17972 PR middle-end/68542
17973 * fold-const.c (fold_binary_op_with_conditional_arg): Bail out for case
17974 of mixind vector and scalar types.
17975 (fold_relational_const): Add handling of vector
17976 comparison with boolean result.
17977 * tree-cfg.c (verify_gimple_comparison): Add argument CODE, allow
17978 comparison of vector operands with boolean result for EQ/NE only.
17979 (verify_gimple_assign_binary): Adjust call for verify_gimple_comparison.
17980 (verify_gimple_cond): Likewise.
17981 * tree-vrp.c (extract_code_and_val_from_cond_with_ops): Modify check on
17984 2016-01-18 Joseph Myers <joseph@codesourcery.com>
17986 * config/mips/mips.h (ISA_HAS_PAIRED_SINGLE): Require
17989 2016-01-18 Richard Biener <rguenther@suse.de>
17991 PR middle-end/69308
17992 * gimple.c (gimple_could_trap_p_1): Handle GIMPLE_COND.
17994 2016-01-18 Tom de Vries <tom@codesourcery.com>
17996 * passes.def: Add pass_parallelize_loops to pass_oacc_kernels.
17998 2016-01-18 Tom de Vries <tom@codesourcery.com>
18000 * omp-low.c (set_oacc_fn_attrib): Make extern.
18001 * omp-low.h (set_oacc_fn_attrib): Declare.
18002 * tree-parloops.c (struct reduction_info): Add reduc_addr field.
18003 (create_call_for_reduction_1): Handle case that reduc_addr is non-NULL.
18004 (create_parallel_loop, gen_parallel_loop, try_create_reduction_list):
18005 Add and handle function parameter oacc_kernels_p.
18006 (find_reduc_addr, get_omp_data_i_param): New function.
18007 (ref_conflicts_with_region, oacc_entry_exit_ok_1)
18008 (oacc_entry_exit_single_gang, oacc_entry_exit_ok): New function.
18009 (parallelize_loops): Add and handle function parameter oacc_kernels_p.
18010 Calculate dominance info. Skip loops that are not in a kernels region
18011 in oacc_kernels_p mode. Skip inner loops of parallelized loops.
18012 (pass_parallelize_loops::execute): Call parallelize_loops with
18013 oacc_kernels_p argument.
18014 (pass_parallelize_loops::clone, pass_parallelize_loops::set_pass_param):
18015 New member function.
18016 (pass_parallelize_loops::bool oacc_kernels_p): New member var.
18017 * passes.def: Add argument to pass_parallelize_loops instantation.
18019 2016-01-18 Tom de Vries <tom@codesourcery.com>
18021 * tree-parloops.c (pass_parallelize_loops::execute): Allow
18022 pass_parallelize_loops to be run outside the loop pipeline.
18024 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
18026 * tree-scalar-evolution.c (follow_copies_to_constant): New.
18027 (analyze_initial_condition, analyze_scalar_evolution_1): Call previous.
18029 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
18032 * tree-ssa-scopedtables.c (avail_expr_hash): Hash MEM_REF and ARRAY_REF
18033 using get_ref_base_and_extent.
18034 (equal_mem_array_ref_p): New.
18035 (hashable_expr_equal_p): Add call to previous.
18037 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
18040 * tree-sra.c (disqualified_constants, constant_decl_p): New.
18041 (sra_initialize): Allocate disqualified_constants.
18042 (sra_deinitialize): Free disqualified_constants.
18043 (disqualify_candidate): Update disqualified_constants when appropriate.
18044 (create_access): Scan for constant-pool entries as we go along.
18045 (scalarizable_type_p): Add check against type_contains_placeholder_p.
18046 (maybe_add_sra_candidate): Allow constant-pool entries.
18047 (load_assign_lhs_subreplacements): Bind debug for constant pool vars.
18048 (initialize_constant_pool_replacements): New.
18049 (sra_modify_assign): Avoid mangling assignments created by previous,
18050 and don't generate writes into constant pool.
18051 (sra_modify_function_body): Call initialize_constant_pool_replacements.
18053 2016-01-18 Ilya Enkovich <enkovich.gnu@gmail.com>
18055 * config/i386/i386.c (scalar_to_vector_candidate_p): Support
18056 andnot instruction.
18057 (scalar_chain::convert_op): Likewise.
18058 * config/i386/i386.md (*andndi3_doubleword): New.
18060 2016-01-18 Richard Biener <rguenther@suse.de>
18062 PR tree-optimization/69170
18063 * tree-vect-slp.c (vect_build_slp_tree): Verify we are not
18064 building a vector from scalar results of a pattern stmt.
18066 2016-01-18 Jakub Jelinek <jakub@redhat.com>
18068 * haifa-sched.c (autopref_multipass_init): Work around
18069 -Wmaybe-uninitialized warning.
18071 2016-01-18 Thomas Preud'homme <thomas.preudhomme@arm.com>
18073 * config/arm/arm.c (thumb1_reorg): Check that the comparison is
18074 against the constant 0.
18076 2016-01-17 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
18078 PR tree-optimization/68799
18079 * gimple-ssa-strength-reduction.c (create_phi_basis): Directly
18080 look up phi candidates in the statement-candidate map.
18081 (phi_add_costs): Likewise.
18082 (record_phi_increments): Likewise.
18083 (phi_incr_cost): Likewise.
18084 (ncd_with_phi): Likewise.
18085 (all_phi_incrs_profitable): Likewise.
18087 2016-01-17 Jakub Jelinek <jakub@redhat.com>
18089 * omp-low.c (mark_loops_in_oacc_kernels_region): Work around
18090 -Wmaybe-uninitialized warning.
18092 2016-01-16 Sandra Loosemore <sandra@codesourcery.com>
18094 * doc/invoke.texi (Invoking GCC): Add new section to menu.
18095 (Option Summary): Update to reflect new section and moved options.
18096 (C++ Dialect Options): Move -fvtable-verify and related options.
18097 (Debugging Options): Move Sanitizer, Pointer Bounds Checker,
18098 and profiling-related options.
18099 (Optimization Options): Move profile generation options and
18100 -fstack-protector and related options.
18101 (Instrumentation Options): New section incorporating moved options.
18102 (Code Generation Options): Move -finstrument-functions and
18103 related options, -fstack-check, -fstack-limit*, and -fbounds-check.
18105 2016-01-16 Tom de Vries <tom@codesourcery.com>
18107 * passes.def: Move pass_expand_omp_ssa out of pass_parallelize_loops.
18109 2016-01-16 Tom de Vries <tom@codesourcery.com>
18111 * omp-low.c (expand_omp_atomic_fetch_op): Release defs of update stmt.
18113 2016-01-16 Richard Sandiford <richard.sandiford@arm.com>
18115 * hash-table.h (hash_table::empty): Turn into an inline wrapper
18116 that checks whether the table is already empty. Rename the
18117 original implementation to...
18118 (hash_table::empty_slot): ...this new private function.
18120 2016-01-15 David Malcolm <dmalcolm@redhat.com>
18122 PR diagnostic/68899
18123 * diagnostic-show-locus.c (layout::print_source_line): Move x
18124 offset of line until after call to
18125 get_line_width_without_trailing_whitespace.
18127 2016-01-15 Jeff Law <law@redhat.com>
18129 PR tree-optimization/69270
18130 * tree-ssanames.c (ssa_name_has_boolean_range): Moved here from
18131 tree-ssa-dom.c. Improve test for [0..1] ranve from VRP.
18132 * tree-ssa-dom.c (ssa_name_has_boolean_range): Remove.
18133 * tree-ssanames.h (ssa_name_has_boolean_range): Prototype.
18134 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
18135 ssa_name_has_boolean_range and constant_boolean_node.
18137 2016-01-15 Vladimir Makarov <vmakarov@redhat.com>
18139 PR rtl-optimization/69030
18140 * lra-spills.c (remove_pseudos): Check nrefs and make the function
18142 (spill_pseudos): Delete debug insn for dead pseudo.
18143 (lra_spill): Initiate spill_hard_reg and slots memory separately.
18145 2016-01-15 Jiong Wang <jiong.wang@arm.com>
18147 * config/aarch64/aarch64-builtins.c (aarch64_types_unopus_qualifiers):
18149 (TYPES_UNOPUS): Likewise.
18150 * config/aarch64/aarch64-simd-builtins.def (lbtruncuv2sf): Correct
18151 builtin type, from UNOP to UNOPUS.
18152 (lbtruncuv4sf): Likewise.
18153 (lbtruncuv2df): Likewise.
18154 (lrounduv2sf): Likewise.
18155 (lrounduv4sf): Likewise.
18156 (lrounduv2df): Likewise.
18157 (lroundusf): Likewise.
18158 (lroundusf): Likewise.
18159 (lceiluv2sf): Likewise.
18160 (lceiluv4sf): Likewise.
18161 (lceiluv2df): Likewise.
18162 (lceilusf): Likewise.
18163 (lceiludf): Likewise.
18164 (lflooruv2sf): Likewise.
18165 (lflooruv4sf): Likewise.
18166 (lflooruv2df): Likewise.
18167 (lfloorusf): Likewise.
18168 (lfloorudf): Likewise.
18169 (lfrintnuv2sf): Likewise.
18170 (lfrintnuv4sf): Likewise.
18171 (lfrintnuv2df): Likewise.
18172 (lfrintnusf): Likewise.
18173 (lfrintnudf): Likewise.
18174 * config/aarch64/arm_neon.h (vcvt_u32_f32): Remove unncessary type
18176 (vcvtq_u32_f32): Likewise.
18177 (vcvtq_u64_f64): Likewise.
18178 (vcvta_u32_f32): Likewise.
18179 (vcvtaq_u32_f32): Likewise.
18180 (vcvtaq_u64_f64): Likewise.
18181 (vcvtm_u32_f32): Likewise.
18182 (vcvtmq_u32_f32): Likewise.
18183 (vcvtmq_u64_f64): Likewise.
18184 (vcvtn_u32_f32): Likwise.
18185 (vcvtnq_u32_f32): Likewise.
18186 (vcvtnq_u64_f64): Likewise.
18187 (vcvtp_u32_f32): Likewise.
18188 (vcvtpq_u32_f32): Likewise.
18189 (vcvtpq_u64_f64): Likewise.
18190 (vcvtmd_u64_f64): Likewise.
18191 (vcvtms_u32_f32): Likewise.
18192 (vcvtad_u64_f64): Likewise.
18193 (vcvtas_u32_f32): Likewise.
18194 (vcvtnd_u64_f64): Likewise.
18195 (vcvtns_u32_f32): Likewise.
18196 (vcvtpd_u64_f64): Likewise.
18197 (vcvtps_u32_f32): Likewise.
18199 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
18201 * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Handle
18202 CSEL of zero_extended registers.
18204 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
18206 * config/aarch64/aarch64.c (aarch64_rtx_costs, COMPARE case):
18207 Handle COMPARE of ZERO_EXTRACT against zero form of TST-immediate.
18209 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
18211 * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Return
18212 false when argument string is not found in the attributes table
18215 2016-01-15 David Edelsohn <dje.gcc@gmail.com>
18218 * config/rs6000/rs6000.c (rs6000_emit_msub): Delete.
18219 (rs6000_emit_swsqrt): Convert to Goldschmidt's Algorithm
18220 * config/rs6000/rs6000.md (sqrt<mode>2): Limit swsqrt to high
18221 precision estimate.
18223 2016-01-15 Richard Biener <rguenther@suse.de>
18225 PR tree-optimization/66856
18226 * tree-vect-loop.c (vect_transform_loop): Free SLP instances here.
18227 * tree-vect-slp.c (vect_free_slp_tree): Decrement stmt reference count.
18228 (vect_create_new_slp_node): Increment stmt reference count.
18229 (vect_get_and_check_slp_defs): Make sure stmts are nor already in
18230 an SLP tree before swapping operands.
18231 (vect_build_slp_tree): Likewise.
18232 (destroy_bb_vec_info): Free stmt info after SLP instances.
18233 * tree-vect-stmts.c (new_stmt_vec_info): Initialize reference count.
18234 * tree-vectorizer.h (struct _stmt_vec_info): Add num_slp_uses field.
18235 (STMT_VINFO_NUM_SLP_USES): New macro.
18237 2016-01-15 Richard Biener <rguenther@suse.de>
18240 * dwarf2out.c (add_linkage_name_raw): New function split out from ...
18241 (add_linkage_name): ... here.
18242 (gen_typedef_die): Use add_linkage_name_raw instead of
18243 add_linkage_attr to delay DECL_ASSEMBLER_NAME computation
18246 2016-01-15 Cesar Philippidis <cesar@codesourcery.com>
18248 * gimplify.c (oacc_default_clause): Decode reference and pointer
18249 types for both kernels and parallel regions.
18251 2016-01-15 Richard Sandiford <richard.sandiford@arm.com>
18253 PR middle-end/69246
18254 * calls.c (emit_call_1): Force n_popped to zero for sibcalls.
18256 2016-01-15 Ilya Enkovich <enkovich.gnu@gmail.com>
18258 * config/i386/i386.c (scalar_chain::compute_convert_gain): Fix typo.
18259 (convert_scalars_to_vector): Likewise.
18261 2016-01-15 Jonathan Wakely <jwakely@redhat.com>
18263 * doc/extend.texi (Type Traits): Fix grammar.
18265 2016-01-15 Martin Jambor <mjambor@suse.cz>
18267 * tree-inline.c (remap_decl): Use existing dclarations if
18268 remapping a type and prevent_decl_creation_for_types.
18269 (replace_locals_stmt): Do an initial remapping of non-VLA typed
18270 decls first. Do real remapping with
18271 prevent_decl_creation_for_types set.
18272 * tree-inline.h (copy_body_data): New field
18273 prevent_decl_creation_for_types, moved remap_var_for_cilk to avoid
18276 2016-01-15 Dominik Vogt <vogt@linux.vnet.ibm.com>
18278 * config/s390/s390.opt (mmvcle): More verbose help text.
18280 2016-01-15 Dominik Vogt <vogt@linux.vnet.ibm.com>
18282 * config/s390/s390.opt: Add period to -mzvector option text.
18284 2016-01-15 Richard Biener <rguenther@suse.de>
18286 PR tree-optimization/68961
18287 * tree-vect-slp.c (vect_analyze_slp_cost_1): Consider cost
18288 of invariants in stores again.
18290 2016-01-15 Sebastian Huber <sebastian.huber@embedded-brains.de>
18292 * config/arm/t-rtems: Add cortex-m7/fpv5-d16 multilib.
18294 2016-01-15 Ilya Enkovich <enkovich.gnu@gmail.com>
18296 * config/i386/i386.c (ix86_expand_branch): Don't split
18297 DI mode xor instruction to SI mode.
18299 2016-01-15 Jan Hubicka <hubicka@ucw.cz>
18302 * ipa-icf.c (sem_function::merge): Virtual functions may become
18303 reachable even if they address is not taken and there are no
18306 2016-01-15 Jan Hubicka <hubicka@ucw.cz>
18308 * lto-streamer-out.c (subtract_estimated_size): New function.
18309 (get_symbol_initial_value): Use it.
18311 2016-01-15 Christian Bruel <christian.bruel@st.com>
18314 * config/arm/arm-builtins.c (ARM_BUILTIN_CRYPTO_BASE): New enum tag.
18315 (arm_init_neon_builtins_internal): Rename arm_init_neon_builtins,
18316 (arm_init_crypto_builtins_internal): Rename arm_init_crypto_builtins.
18317 use add_builtin_function_ext_scope instead of add_builtin_function.
18318 (neon_set_p, neon_crypto_set_p): Remove.
18319 (arm_init_builtins): Always call arm_init_neon_builtins and
18320 arm_init_crypto_builtins.
18321 (arm_expand_builtin): Check that builtins are allowed for the arch.
18322 * config/arm/arm-protos.h (arm_init_neon_builtins): Remove prototype.
18323 * config/arm/arm.c (arm_valid_target_attribute_tree): Remove
18324 arm_init_neon_builtins call.
18326 2016-01-15 Richard Biener <rguenther@suse.de>
18328 PR tree-optimization/69117
18329 * tree-ssa-sccvn.h (struct vn_ssa_aux): Add info member.
18330 * tree-ssa-sccvn.c (set_ssa_val_to): Save and adjust SSA name info
18331 of the leader conservatively.
18332 (free_scc_vn): Restore original SSA name infos.
18334 2016-01-14 Jeff Law <law@redhat.com>
18336 PR tree-optimization/69270
18337 * tree-ssa-dom.c (ssa_name_has_boolean_range): If the type has a
18338 single bit of precision, verify it's also unsigned.
18339 (record_edge_info): Use constant_boolean_node rather than fold_convert
18340 to convert boolean_true/boolean_false to the right type.
18342 2016-01-14 Richard Henderson <rth@redhat.com>
18345 * loop-doloop.c (record_reg_sets): New.
18346 (doloop_optimize): Reject the transform if the sequence
18347 clobbers registers live at the end of the loop block.
18348 (doloop_optimize_loops): Enable df_live if needed.
18350 2016-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
18352 * config/rs6000/rs6000-builtin.def: Revert 2016-01-13 change.
18353 * config/rs6000/rs6000.c: Likewise.
18354 * config/rs6000/rs6000.h: Likewise.
18355 * config/rs6000/rs6000.md: Likewise.
18356 * doc/extend.texi: Likewsie.
18358 2016-01-14 Jeff Law <law@redhat.com>
18360 * tree-ssa-dom.c (ssa_name_has_boolean_range): Fix comment
18363 2016-01-14 Richard Henderson <rth@redhat.com>
18367 * trans-mem.c (tm_log_emit_stmt): Fix unit size to bit size.
18368 * tree.c (build_tm_vector_builtins): Use builtin_decl_explicit_p
18369 instead of builtin_decl_declared_p to test for declaration.
18371 2016-01-14 Nicklas Bo Jensen <nbjensen@gmail.com>
18373 * doc/loop.texi (Loop Analysis and Representation): Document
18374 loop_depth function.
18376 2016-01-14 Tom de Vries <tom@codesourcery.com>
18378 PR tree-optimization/68773
18379 * omp-low.c (expand_omp_target): Don't set force_output.
18380 * varpool.c (varpool_node::get_create): Same.
18381 * lto-cgraph.c (input_offload_tables): Mark entries in offload_vars and
18382 offload_funcs with force_output.
18384 2016-01-14 Jakub Jelinek <jakub@redhat.com>
18387 * lra-eliminations.c (move_plus_up): Don't change anything if either
18388 the outer or inner subreg mode is not MODE_INT.
18389 * dwarf2out.c (mem_loc_descriptor): For SUBREG, if outer mode is
18390 integral <= DWARF2_ADDR_SIZE, convert to untyped afterwards.
18392 2016-01-14 Alan Lawrence <alan.lawrence@arm.com>
18394 * doc/md.texi (reduc_smin_@var{m}, reduc_smax_@var{m},
18395 reduc_umin_@var{m}, reduc_umax_@var{m}, reduc_splus_@var{m},
18396 reduc_uplus_@var{m}): Remove.
18397 * expr.c (expand_expr_real_2): Remove expansion path for
18398 reduc_[us](min|max|plus) optabs.
18399 * optabs-tree.c (scalar_reduc_to_vector): Remove.
18400 * optabs-tree.h (scalar_reduc_to_vector): Remove.
18401 * optabs.def (reduc_smax_optab, reduc_smin_optab, reduc_splus_optab,
18402 reduc_umax_optab, reduc_umin_optab, reduc_uplus_optab): Remove.
18403 * tree-vect-loop.c (vectorizable_reduction): Remove test for
18404 reduc_[us](min|max|plus) optabs.
18406 2016-01-14 Alan Lawrence <alan.lawrence@arm.com>
18408 * config/mips/mips-ps-3d.md (reduc_splus_v2sf): Remove.
18409 (reduc_plus_scal_v2sf): New.
18410 (reduc_smax_v2sf): Rename to...
18411 (reduc_smax_scal_v2sf): ...here, make result SFmode, add vec_extract.
18412 (reduc_smin_v2sf): Rename to...
18413 (reduc_smin_scal_v2sf): ...here, make result SFmode, add vec_extract.
18415 2016-01-14 Jan Hubicka <hubicka@ucw.cz>
18417 * alias.c (compare_base_symbol_refs): New function.
18418 (rtx_equal_for_memref_p, base_alias_check, memrefs_conflict_p): Use
18421 2016-01-14 Jakub Jelinek <jakub@redhat.com>
18423 PR middle-end/68146
18424 PR tree-optimization/69155
18425 * tree-complex.c: Include cfganal.h.
18426 (phis_to_revisit): New variable.
18427 (extract_component): Add phiarg_p argument. Assert that returned
18428 SSA_NAME has non-NULL SSA_NAME_DEF_STMT unless phiarg_p is true.
18429 (update_phi_components): Partly rewrite to use loop over real/imag
18430 components instead of code duplication. If extract_component returns
18431 SSA_NAME with NULL SSA_NAME_DEF_STMT, store SSA_NAME_VAR or
18432 create_tmp_reg into the PHI node instead, and mention the phi triplet
18433 in phis_to_revisit.
18434 (tree_lower_complex): Walk bbs in rpo order. Adjust phis recorded
18435 in phis_to_revisit at the end.
18437 2016-01-14 Richard Biener <rguenther@suse.de>
18439 PR tree-optimization/68060
18440 * tree-vect-loop.c (vect_is_simple_reduction): Check the
18441 outer loop reduction is only used in the inner loop before
18442 detecting a double reduction.
18444 2016-01-14 Jakub Jelinek <jakub@redhat.com>
18447 * combine.c (expand_field_assignment): Punt if compute_mode is
18448 unsupported scalar mode.
18450 2016-01-14 Richard Biener <rguenther@suse.de>
18452 PR tree-optimization/66856
18453 * tree-vect-slp.c (vect_build_slp_tree): Refactor to build
18454 SLP node only if it built successfully.
18455 (vect_analyze_slp_instance): Adjust.
18457 2016-01-14 Jeff Law <law@redhat.com>
18459 PR tree-optimization/69270
18460 * tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
18461 (record_edge_info): Use it. Convert boolean_{true,false}_node
18462 to the type of op0.
18464 2016-01-13 Jan Hubicka <hubicka@ucw.cz>
18467 * ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p):
18468 use block_ultimate_origin
18469 (noncall-stmt_may_be_vtbl_ptr_store): Likewise.
18471 2016-01-13 Sandra Loosemore <sandra@codesourcery.com>
18473 * doc/invoke.texi (Submodel Options): Rename section to
18474 "Machine-Dependent Options" to better reflect its content.
18475 Rewrite introductory text to remove archaic CPU names.
18478 2016-01-13 Sandra Loosemore <sandra@codesourcery.com>
18480 * doc/invoke.texi (Code Gen Options): Move section up in file,
18481 before target-specific options. Update menu and option summary
18482 to reflect the new section ordering.
18484 2016-01-13 Jonathan Wakely <jwakely@redhat.com>
18486 * doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
18487 (C++ Dialect Options): Add cross-reference to -std option.
18488 * doc/standards.texi (C++ Language): Document C++14 support.
18490 2016-01-13 Michael Meissner <meissner@linux.vnet.ibm.com>
18492 * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): Add support
18493 for pack/unpack functions for __ibm128.
18494 (PACK_IF): Likewise.
18495 (UNPACK_IF): Likewise.
18497 * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
18498 support for __ibm128 pack/unpack functions.
18499 (rs6000_invalid_builtin): Likewise.
18500 (rs6000_init_builtins): Likewise.
18501 (rs6000_opt_masks): Likewise.
18503 * config/rs6000/rs6000.h (MASK_FLOAT128): Add short name.
18504 (RS6000_BTM_FLOAT128): Add support for __ibm128 pack/unpack
18506 (RS6000_BTM_COMMON): Likewise.
18508 * config/rs6000/rs6000.md (f128_vsx): New mode attribute.
18509 (unpack<mode>): Use FMOVE128_FPR iterator instead of FMOVE128, to
18510 disallow __builtin_{pack,unpack}_longdouble if long double is IEEE
18511 128-bit floating point. Add support for the double values to be
18512 in Altivec registers for TF/IF packing and unpacking, but restrict
18513 TD packing sub-fields to be FPR registers. Don't allow overlapped
18514 register support for packing. Allow pack inputs to be memory
18515 locations. Don't build generator functions for unpack<mode>_dm
18516 and unpack<mode>_nodm.
18517 (unpack<mode>_dm): Likewise.
18518 (unpack<mode>_nodm): Likewise.
18519 (pack<mode>): Likewise.
18521 * config/rs6000/rs6000-builtin.def (__builtin_pack_ibm128): Add
18522 built-in functions to pack/unpack explicit __ibm128 values.
18523 (__builtin_unpack_ibm128): Likewise.
18525 * doc/extend.texi (PowerPC Built-in Functions): Document
18526 __builtin_pack_ibm128 and __builtin_unpack_ibm128.
18528 2016-01-13 Bernd Schmidt <bschmidt@redhat.com>
18531 * c-common.c (check_function_nonnull): Remove unnecessary declaration.
18532 Add new arg loc and pass it down as context.
18533 (check_nonnull_arg): Don't mark ctx arg as unused. Use it as a pointer
18534 to the location to use for the warning.
18535 (check_function_arguments): New arg loc. All callers changed. Pass
18536 it to check_function_nonnull.
18537 * c-common.h (check_function_arguments): Adjust declaration.
18539 2016-01-13 Jakub Jelinek <jakub@redhat.com>
18541 PR tree-optimization/69156
18542 * gimple.c (validate_type): Removed.
18543 (gimple_builtin_call_types_compatible_p): Use
18544 useless_type_conversion_p instead of validate_type.
18545 * value-prof.c (gimple_stringop_fixed_value): Fold
18546 icall_size to correct type.
18548 2016-01-13 Jonathan Wakely <jwakely@redhat.com>
18550 * doc/extend.texi (__atomic Builtins): Clarify compare_exchange
18553 2016-01-13 Richard Henderson <rth@redhat.com>
18556 * target.def (builtin_tm_load, builtin_tm_store): Remove.
18557 * config/i386/i386.c (ix86_builtin_tm_load): Remove.
18558 (ix86_builtin_tm_store): Remove.
18559 (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
18560 (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
18561 * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
18562 (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
18563 * doc/tm.texi: Rebuild.
18565 * gtm-builtins.def (BUILT_IN_TM_MEMCPY_RNWT): New.
18566 (BUILT_IN_TM_MEMCPY_RTWN): New.
18567 * trans-mem.c (tm_log_emit_stmt): Rearrange code for better
18568 fallback from vector to integer helpers.
18569 (build_tm_load): Handle vector types directly, instead of
18571 (build_tm_store): Likewise.
18572 (expand_assign_tm): Prepare for register types not handled by
18573 the above. Copy them to memory and use memcpy.
18574 * tree.c (tm_define_builtin): New.
18575 (find_tm_vector_type): New.
18576 (build_tm_vector_builtins): New.
18577 (build_common_builtin_nodes): Call it.
18579 2016-01-13 Uros Bizjak <ubizjak@gmail.com>
18581 * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Return -1 for
18582 TARGET_SSE_MATH without TARGET_SSE2. Rewrite.
18584 2016-01-13 Tom de Vries <tom@codesourcery.com>
18586 PR tree-optimization/69169
18587 * tree-ssa-structalias.c (create_variable_info_for_1): Add and handle
18588 handled_struct_type param.
18589 (create_variable_info_for, intra_create_variable_infos): Call
18590 create_variable_info_for_1 with extra arg.
18592 2016-01-13 Yvan Roux <yvan.roux@linaro.org>
18594 * config/arm/arm-arches.def: Remove spurious whitespace in "armv8.1-a"
18595 and "armv8.1-a+crc" entries.
18597 2016-01-13 Alexander Fomin <alexander.fomin@intel.com>
18600 * config/i386/sse.md (define_expand "avx512pf_gatherpf<mode>sf"):
18601 Change first operand predicate from register_or_constm1_operand
18602 to register_operand.
18603 (define_expand "avx512pf_gatherpf<mode>df"): Likewise.
18604 (define_expand "avx512pf_scatterpf<mode>sf"): Likewise.
18605 (define_expand "avx512pf_scatterpf<mode>df"): Likewise.
18606 (define_insn "*avx512pf_gatherpf<mode>sf"): Remove.
18607 (define_insn "*avx512pf_gatherpf<mode>df"): Likewise.
18608 (define_insn "*avx512pf_scatterpf<mode>sf"): Likewise.
18609 (define_insn "*avx512pf_scatterpf<mode>df"): Likewise.
18610 * config/i386/i386.c (ix86_expand_builtin): Remove first operand
18611 comparison with constm1_rtx from vec_prefetch_gen part.
18613 2016-01-13 Richard Biener <rguenther@suse.de>
18615 PR tree-optimization/69013
18616 * tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths):
18617 Exchange assert for a test.
18619 2016-01-13 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
18622 * config/s390/s390.md (bswaphi splitter): Use simplify_gen_subreg.
18624 2016-01-13 Richard Biener <rguenther@suse.de>
18626 PR tree-optimization/69242
18627 * tree-ssa-sccvn.c (visit_reference_op_load): Replace bogus
18628 assert with a check.
18630 2016-01-13 Richard Biener <rguenther@suse.de>
18632 PR tree-optimization/69186
18633 * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
18634 Properly guard vect_update_misalignment_for_peel call.
18636 2016-01-12 Jeff Law <law@redhat.com>
18638 PR tree-optimization/pr67755
18639 * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add new field
18640 "need_profile_correction".
18641 (thread_block_1): Initialize new field to false by default. If we
18642 have multiple thread paths through a common joiner to different
18643 final targets, then set new field to true.
18644 (compute_path_counts): Only do count adjustment when it's really
18647 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
18649 * doc/invoke.texi (Spec Files): Move section down in file, past
18650 all command-line option descriptions.
18652 2016-01-12 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
18654 PR middle-end/54809
18655 * doc/gty.texi: Remove documentation of mark_hook.
18656 * gengtype.c (struct write_types_data): Remove code to support
18657 mark_hook attribute.
18658 (walk_type): Likewise.
18659 (write_func_for_structure): Likewise.
18661 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
18663 * doc/invoke.texi (Option Summary) Move -no-canonical-prefixes to
18664 Directory Options, and -specs= to Overall Options.
18665 (Overall Options): Adjust similarly. Reorder to group related
18666 options together. Make -specs= cross-reference the spec file details.
18667 (Directory Options): Adjust similarly.
18669 2016-01-12 Jeff Law <law@redhat.com>
18671 * tree-ssa-threadupdate.c: Various whitespace and typo fixes.
18673 2016-01-12 Olivier Hainque <hainque@adacore.com>
18675 * gcc.c (spec_undefvar_allowed): New global.
18676 (process_command): Set to true when running for --version or --help,
18678 (getenv_spec_function): When the variable is not defined, use the
18679 variable name as the variable value if we're allowed not to issue
18682 2016-01-12 Bin Cheng <bin.cheng@arm.com>
18684 PR tree-optimization/68911
18685 * tree-vrp.c (adjust_range_with_scev): Check overflow in range
18686 information computed for expression "init + nit * step".
18688 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
18690 * doc/invoke.texi (Invoking GCC): Copy-edit. Incorporate information
18691 about name of GCC executable. Remove deleted node from menu.
18692 (Directory Options) <-B>: Remove cross-reference to deleted node.
18693 (Target Options): Delete section.
18695 2016-01-12 Christian Bruel <christian.bruel@st.com>
18698 * config/arm/arm-c.c (arm_pragma_target_parse): Set NODE_CONDITIONAL
18699 for __ARM_NEON_FP, __ARM_FP, _ARM_FEATURE_LDREX.
18701 2016-01-12 Jakub Jelinek <jakub@redhat.com>
18704 * config/i386/i386.c (ix86_expand_special_args_builtin): Ensure
18705 aligned_mem is properly set for AVX512-VL floating point masked
18709 * ifcvt.c (cond_exec_process_if_block): When removing the last
18710 insn from then_bb, remove also any possible barriers that follow it.
18712 2016-01-12 H.J. Lu <hongjiu.lu@intel.com>
18716 * config/i386/iamcu.h (SIZE_TYPE): New macro.
18717 (PTRDIFF_TYPE): Likewise.
18718 (WCHAR_TYPE): Likewise.
18719 (WCHAR_TYPE_SIZE): Likewise.
18720 (STDINT_LONG32): Likewise.
18722 2016-01-12 Richard Biener <rguenther@suse.de>
18724 PR tree-optimization/69053
18725 * tree-vect-loop.c (get_initial_def_for_reduction): Properly
18726 convert initial value for cond reductions.
18728 2016-01-12 Richard Biener <rguenther@suse.de>
18730 PR tree-optimization/69007
18731 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Move
18732 widen_sum after dot_prod and sad.
18734 2016-01-12 Richard Biener <rguenther@suse.de>
18736 PR tree-optimization/69168
18737 * tree-vect-loop.c (vect_analyze_loop_2): Reset both main and
18738 pattern stmt SLP type.
18739 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Patterns may
18740 end up unused so cope with that case.
18742 2016-01-12 Richard Biener <rguenther@suse.de>
18744 PR tree-optimization/69157
18745 * tree-vect-stmts.c (vectorizable_mask_load_store): Check
18746 stmts def type only during analyze phase.
18747 (vectorizable_call): Likewise.
18748 (vectorizable_simd_clone_call): Likewise.
18749 (vectorizable_conversion): Likewise.
18750 (vectorizable_assignment): Likewise.
18751 (vectorizable_shift): Likewise.
18752 (vectorizable_operation): Likewise.
18753 (vectorizable_store): Likewise.
18754 (vectorizable_load): Likewise.
18756 2016-01-12 Richard Biener <rguenther@suse.de>
18758 PR tree-optimization/69174
18759 * tree-vect-stmts.c (vect_mark_relevant): Remove excessive vertical
18761 (vectorizable_load): Properly compute the number of loads needed
18762 for permuted strided SLP loads and do not spuriously assign
18763 to SLP_TREE_VEC_STMTS.
18765 2016-01-12 Andris Pavenis <andris.pavenis@iki.fi>
18767 * config/i386/djgpp.h (PREFERRED_DEBUGGING_TYPE): Define to DWARF2
18768 (TARGET_ASM_OUTPUT_IDENT): Define to default_asm_output_ident_directive
18769 (MD_EXEC_PREFIX): Remove.
18770 (MD_STARTFILE_PREFIX) Removee.
18771 (FILE_NAME_ABSOLUTE_P): Remove.
18772 (CPP_SPEC): Do not read macros from sys/version.h.
18773 (LINK_COMMAND_SPEC): Remove.
18774 (LOCAL_INCLUDE_DIR): Remove.
18775 (TARGET_ASM_NAMED_SECTION): Define to i386_djgpp_asm_named_section
18776 (TARGET_OS_CPP_BUILTINS): Add DJGPP (non ISO only), __DJGPP, __DJGPP__, unix.
18777 (POST_LINK_SPEC): Define to invoke stubify after linker
18778 (LIBSTDCXX): Remove define
18779 (DBX_REGISTER_NUMBER): Define to svr4_dbx_register_map.
18780 (DEFAULT_PCC_STRUCT_RETURN): Define to 1.
18781 (SUBTARGET_OVERRIDE_OPTIONS): Remove warning about -mbnu2210.
18782 (SUBTARGET_OVERRIDE_OPTIONS): Ignore -fPIC and generate message.
18783 (SUBTARGET_OVERRIDE_OPTIONS): Default to DWARF2 debugging info.
18784 (IX86_MAYBE_NO_LIBGCC_TFMODE): Remove.
18785 (i386_djgpp_asm_named_section): Add propotype of new procedure
18787 * config/i386/xm-djgpp.h (NATIVE_SYSTEM_HEADER_DIR): Define.
18788 (MD_EXEC_PREFIX): Define (moved from config/i386/djgpp.h).
18789 (STANDARD_STARTFILE_PREFIX_1): Define (moved from MD_STARTFILE_PREFIX
18790 in config/i386/djgpp.h).
18791 (STANDARD_STARTFILE_PREFIX_2): Define identical to
18792 STANDARD_STARTFILE_PREFIX_1.
18793 (LOCAL_INCLUDE_DIR): Define (moved from config/i386/djgpp.h).
18794 (GCC_DRIVER_HOST_INITIALIZATION): Fix reporting fatal
18795 installation errors.
18796 (MAX_OFILE_ALIGNMENT): Define to 128.
18797 (HAVE_FTW_H): Undefine as DJGPP do not have nftw, but have ftw.h.
18799 * config/i386/djgpp.c: New file. Add implementation of
18800 i386_djgpp_asm_named_section.
18802 * config/i386/djgpp.opt: Remove obsolete option -mbnu210.
18804 * config/i386/t-djgpp: New file. Add djgpp.o to EXTRA_OBJS.
18805 Add rule for building djgpp.o.
18807 2016-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
18809 * config/rs6000/rs6000.c (v2df_reduction_p): New function.
18810 (rtx_is_swappable_p): Reductions are swappable.
18811 (insn_is_swappable_p): V2DF reductions are swappable.
18813 2016-01-11 John David Anglin <danglin@gcc.gnu.org>
18815 * config/pa/pa.c (pa_emit_move_sequence): Handle floating point
18816 reloads for other unsupported memory operands.
18818 2016-01-12 Kugan Vivekanandarajah <kuganv@linaro.org>
18819 Jim Wilson <jim.wilson@linaro.org>
18822 * config/arm/arm-builtins.c (arm_expand_neon_args): Call
18823 copy_to_mode_reg instead of force_reg.
18825 2016-01-11 H.J. Lu <hongjiu.lu@intel.com>
18828 * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Set to 2 only if
18829 TARGET_80387 is true.
18831 2016-01-11 Jakub Jelinek <jakub@redhat.com>
18834 * lra-eliminations.c (move_plus_up): Only move plus up
18835 if subreg of the constant can be simplified into constant
18836 and use the simplified subreg of the constant instead of
18837 the original constant.
18839 * fold-const.c (fold_convertible_p): Don't return true
18840 for conversion of VECTOR_TYPE to same sized integral type.
18841 (fold_convert_loc): Fix up formatting. Fold conversion of
18842 VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
18843 instead of NOP_EXPR.
18845 PR tree-optimization/69214
18846 * tree-vrp.c (simplify_cond_using_ranges): Don't propagate
18847 innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
18850 PR tree-optimization/69207
18851 * tree-vect-slp.c (vect_get_constant_vectors): For
18852 VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of
18853 fold_convertible_p to vector_type's element type, and always
18854 use VCE for non-VECTOR_BOOLEAN_TYPE_P.
18856 2016-01-11 Richard Biener <rguenther@suse.de>
18858 PR tree-optimization/69173
18859 * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Only
18860 fixup the cycle if all stmts are in a pattern.
18862 2016-01-11 Uros Bizjak <ubizjak@gmail.com>
18864 PR middle-end/68999
18865 * alias.c (base_alias_check): Move check for addresses with
18866 alignment ANDs before the call for compare_base_decls.
18867 (memrefs_conflict_p): Return -1 for different decls
18868 that went through alignment adjustments.
18870 2016-01-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
18872 PR rtl-optimization/68796
18873 * config/aarch64/aarch64.md (*and<mode>_compare0): New pattern.
18874 * config/aarch64/aarch64.c (aarch64_select_cc_mode): Handle HImode
18875 and QImode comparisons against zero with CC_NZmode.
18876 * config/aarch64/iterators.md (short_mask): New mode_attr.
18878 2016-01-11 H.J. Lu <hongjiu.lu@intel.com>
18880 * config/i386/sse.md (<avx512>_load<mode>_mask): Remove snprintf.
18881 (<avx512>_store<mode>_mask): Likewise.
18883 2016-01-11 Bernd Schmidt <bschmidt@redhat.com>
18884 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
18886 PR rtl-optimization/68841
18887 * ifcvt.c (struct noce_if_info): Add orig_x field.
18888 (bbs_ok_for_cmove_arith): Add to_rename parameter.
18889 Don't record conflicts on to_rename if it's present.
18890 Allow memory destinations in sets.
18891 (noce_try_cmove_arith): Call bbs_ok_for_cmove_arith even on simple
18892 blocks, passing orig_x to the checks.
18893 (noce_process_if_block): Set if_info->orig_x appropriately.
18895 2016-01-11 Tom de Vries <tom@codesourcery.com>
18897 PR tree-optimization/69069
18898 * tree-parloops.c (create_parallel_loop): Add missing phi args.
18900 2016-01-11 Yuri Rumyantsev <ysrumyan@gmail.com>
18902 PR rtl-optimization/68920
18903 * config/i386/i386.c (ix86_option_override_internal): Restrict number
18904 of conditional moves for RTL if-conversion to 1 for
18905 TARGET_ONE_IF_CONV_INSN.
18906 * config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
18907 * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
18908 * params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
18909 parameter to restirct number of conditional moves for
18911 * doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
18912 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
18915 2016-01-11 Alexandre Oliva <aoliva@redhat.com>
18918 * var-tracking.c (drop_overlapping_mem_locs): Operate on all
18919 onepart vars. Fix typo in comment. Fix reversed condition in
18921 (dataflow_set_remove_mem_locs): Operate on all onepart vars.
18924 * var-tracking.c (dump_onepart_variable_differences): New.
18925 (dataflow_set_different): If a detailed dump is requested,
18926 delay early returns and dump differences between onepart
18927 variables present before and after, and added variables.
18929 2016-01-11 Ilya Enkovich <enkovich.gnu@gmail.com>
18932 * expr.c (expand_expr_real_1): For boolean vector constants
18933 with a scalar mode use const_scalar_mask_from_tree.
18934 (const_scalar_mask_from_tree): New.
18935 * optabs.c (expand_vec_cond_mask_expr): Use mask mode
18936 assigned to a mask type to handle constants.
18938 2016-01-11 Martin Jambor <mjambor@suse.cz>
18941 * ipa-cp.c (estimate_local_effects): Do not clone for removal of
18942 useless parameters if we cannot change function signature.
18944 2016-01-11 Martin Jambor <mjambor@suse.cz>
18947 * cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
18950 2016-01-11 Tom de Vries <tom@codesourcery.com>
18952 PR tree-optimization/69109
18953 * tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
18956 2016-01-11 Tom de Vries <tom@codesourcery.com>
18958 PR tree-optimization/69108
18959 * tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
18960 res is not used in a phi.
18962 2016-01-11 Yury Gribov <y.gribov@samsung.com>
18965 * common.opt (frandom-seed): Fix parameter name.
18966 * doc/invoke.texi (frandom-seed): Ditto and describe parameter.
18968 2016-01-11 Tom de Vries <tom@codesourcery.com>
18970 PR tree-optimization/69058
18971 * tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
18974 2016-01-11 Andrew Burgess <andrew.burgess@embecosm.com>
18976 * config/arc/arc.opt (mdiv-rem): Add period to the end.
18977 (mcode-density): Likewise.
18979 2016-01-10 Tom de Vries <tom@codesourcery.com>
18981 PR tree-optimization/69062
18982 * tree-parloops.c (loop_has_phi_with_address_arg): New function.
18983 (parallelize_loops): Don't paralelize loop that has phi with address
18986 2016-01-10 Tom de Vries <tom@codesourcery.com>
18988 PR tree-optimization/69039
18989 * tree-parloops.c (try_create_reduction_list): Only allow single exit
18992 2016-01-09 John David Anglin <danglin@gcc.gnu.org>
18994 PR middle-end/68743
18995 * match.pd: Require target has function_c99_misc before doing
18996 truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.
18998 2016-01-09 Gerald Pfeifer <gerald@pfeifer.com>
19000 * configure.ac (isl_options_set_schedule_serialize_sccs): Also
19002 * configure: Regenerate.
19004 2016-01-09 Jakub Jelinek <jakub@redhat.com>
19006 PR middle-end/50865
19007 PR tree-optimization/69097
19008 * fold-const.h (expr_not_equal_to): New prototype.
19009 * fold-const.c: Include stringpool.h and tree-ssanames.h.
19010 (expr_not_equal_to): New function.
19011 * match.pd (X % -Y is the same as X % Y): Don't optimize
19012 unless X is known not to be equal to minimum or Y is known
19013 not to be equal to -1.
19014 * tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
19015 fold TRUNC_MOD_EXPR if the second argument is not a power of two.
19016 (simplify_stmt_using_ranges): Adjust caller.
19017 (vrp_finalize): Call set_value_range on SSA_NAMEs before calling
19018 substitute_and_fold.
19020 2016-01-09 Jan Hubicka <hubicka@ucw.cz>
19022 * ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
19025 2016-01-08 Jakub Jelinek <jakub@redhat.com>
19027 PR tree-optimization/69167
19028 * gimple-fold.c (replace_stmt_with_simplification): Also punt if
19029 new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
19031 * gimple-match-head.c (maybe_push_res_to_seq): Likewise.
19033 2016-01-08 Alan Lawrence <alan.lawrence@arm.com>
19034 Richard Biener <rguenther@suse.de>
19036 PR tree-optimization/68707
19037 * tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
19038 instances that can be handled via vect_load_lanes.
19040 2016-01-08 Uros Bizjak <ubizjak@gmail.com>
19042 * symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
19043 if we can't determine address equivalence.
19044 * alias.c (compare_base_decl): Update for changed return value of
19045 symtab_node::equal_address_to.
19047 2016-01-08 Jason Merrill <jason@redhat.com>
19051 * function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
19052 * expr.c (store_field): Not here.
19053 * tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
19054 call with TREE_ADDRESSABLE type.
19055 * tree-cfg.c (verify_gimple_call): Adjust.
19057 2016-01-08 Olivier Hainque <hainque@adacore.com>
19059 * config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
19062 2016-01-08 Alan Lawrence <alan.lawrence@arm.com>
19064 * gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
19065 (reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
19066 (reduc_smin_v2sf): Rename to...
19067 (reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
19068 (reduc_splus_v2sf): Rename to...
19069 (reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.
19071 2016-01-08 Jakub Jelinek <jakub@redhat.com>
19073 PR tree-optimization/69162
19074 * gimplify.c (gimplify_va_arg_expr): Encode original type of
19075 valist argument in another argument.
19076 (gimplify_modify_expr): Adjust for the above change. Cleanup.
19077 * tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
19078 to determine the va_list type, build a MEM_REF instead of
19079 build_fold_indirect_ref.
19081 PR tree-optimization/69172
19082 * gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
19085 2016-01-08 Thomas Preud'homme <thomas.preudhomme@arm.com>
19087 PR tree-optimization/67781
19088 * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
19089 and cmpnop in two steps: first the ones not accessed in original
19090 gimple expression in a endian independent way and then the ones not
19091 accessed in the final result in an endian-specific way.
19093 2016-01-08 Jakub Jelinek <jakub@redhat.com>
19095 PR tree-optimization/69083
19096 * tree-vect-slp.c (vect_get_constant_vectors): For
19097 VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
19098 element type. If op is fold_convertible_p to vector_type's element
19099 type, use NOP_EXPR instead of VCE.
19101 2016-01-08 Segher Boessenkool <segher@kernel.crashing.org>
19103 PR rtl-optimization/67778
19104 PR rtl-optimization/68634
19105 PR rtl-optimization/68909
19106 * shrink-wrap.c (try_shrink_wrapping): Add comment. Don't pop
19107 block from the stack until done with it. Remove a superfluous
19108 bitmap set. Remove a superfluous bitmap test.
19110 2016-01-07 Martin Sebor <msebor@redhat.com>
19113 * doc/extend.texi (__atomic Builtins, __sync Builtins): Document
19114 constraint on the type of arguments.
19116 2016-01-07 Andreas Tobler <andreast@gcc.gnu.org>
19118 * config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
19119 SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
19120 unaligned_access on the gcc_options set.
19121 * config/arm/arm.c (arm_option_override_internal): Use
19122 SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.
19124 2016-01-07 Uros Bizjak <ubizjak@gmail.com>
19127 * config/i386/i386.c (ix86_frame_pointer_required): Enable
19128 frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.
19130 2016-01-07 Uros Bizjak <ubizjak@gmail.com>
19133 2016-01-06 Uros Bizjak <ubizjak@gmail.com>
19136 * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
19137 depending on frame_pointer_needed before remaining integer and SSE
19138 registers are saved.
19140 2016-01-07 Sandra Loosemore <sandra@codesourcery.com>
19143 * doc/extend.texi (Nvidia PDX Function Attributes): New section.
19145 2016-01-07 H.J. Lu <hongjiu.lu@intel.com>
19148 * config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
19149 Use the "xBm" constraint.
19150 (float<sseintvecmodelower><mode>2<mask_name><round_name):
19152 (sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
19153 (sse_cvtsi2ssq<round_name>): Likewise.
19154 (sse_cvtss2si<round_name>): Likewise.
19155 (sse_cvtss2siq<round_name>): Likewise.
19156 (sse2_cvtsi2sdq<round_name>): Likewise.
19157 (sse2_cvtsd2si<round_name>): Likewise.
19158 (sse2_cvtsd2siq<round_name>): Likewise.
19159 * config/i386/subst.md (round_nimm_scalar_predicate): New
19162 2015-12-15 Bernd Schmidt <bschmidt@redhat.com>
19164 PR middle-end/67639
19165 * varasm.c (make_decl_rtl): Mark invalid register vars as
19168 PR rtl-optimization/66206
19169 * bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
19170 All callers changed.
19172 2016-01-07 Jakub Jelinek <jakub@redhat.com>
19174 PR tree-optimization/69141
19175 * tree-ssa-pre.c: Include langhooks.h.
19176 (eliminate_dom_walker::before_dom_children): Use
19177 lang_hooks.decl_printable_name instead of
19178 cgraph_node::get ()->name ().
19180 PR middle-end/68960
19181 * gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
19182 it and DECL_ALIGN too.
19184 2016-01-06 Robert Suchanek <robert.suchanek@imgtec.com>
19186 * config/mips/mips-ftypes.def: Sort to lexicographical order.
19188 2016-01-06 Uros Bizjak <ubizjak@gmail.com>
19191 * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
19192 depending on frame_pointer_needed before remaining integer and SSE
19193 registers are saved.
19195 2015-01-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
19197 * config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
19198 mode iterator with VSX_M2.
19199 (*p9_vecstore_<mode>): Likewise.
19200 (*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
19201 (*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
19202 (*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
19203 (define_split for VSX_LE128 stores): Likewise.
19204 (define_peephole2 for TImode LE swaps): Likewise.
19205 (define_split for VSX_LE128 post-reload stores): Likewise.
19207 2016-01-06 Marek Polacek <polacek@redhat.com>
19210 * convert.c (convert_to_integer_1): Adjust call to
19211 ubsan_instrument_float_cast. Use NULL_TREE instead of NULL.
19212 * ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter. Use
19213 EXPR instead of ARG.
19214 * ubsan.h (ubsan_instrument_float_cast): Adjust declaration.
19216 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
19219 * doc/extend.texi (RL78 Variable Attributes): New section.
19221 2016-01-05 Marek Polacek <polacek@redhat.com>
19224 * builtins.c (get_memmodel): Use expansion point location rather than
19225 the input location. Call warning_at rather than warning.
19226 (expand_builtin_atomic_compare_exchange): Likewise.
19227 (expand_builtin_atomic_load): Likewise.
19228 (expand_builtin_atomic_store): Likewise.
19229 (expand_builtin_atomic_clear): Likewise.
19231 2016-01-05 H.J. Lu <hongjiu.lu@intel.com>
19234 * config/i386/i386.c (ix86_expand_vector_logical_operator):
19235 Replace nonimmediate_operand with vector_operand.
19236 * config/i386/predicates.md (vector_operand): New predicate.
19237 (general_vector_operand): Replace nonimmediate_operand with
19239 * config/i386/sse.md: Replace nonimmediate_operand with
19240 vector_operand and m constraint with Bm constraint on SSE
19241 patterns with 16-byte memory operand.
19242 * config/i386/subst.md (round_nimm_predicate): Replace
19243 nonimmediate_operand with vector_operand.
19244 (round_saeonly_nimm_predicate): Likewise.
19245 (round_saeonly_nimm_scalar_predicate): New.
19247 2016-01-05 H.J. Lu <hongjiu.lu@intel.com>
19250 * config/i386/constraints.md (Bm): New constraint.
19251 * config/i386/predicates.md (vector_memory_operand): New
19253 * config/i386/sse.md: Replace xm with xBm in plusminus and
19254 any_logic patterns.
19256 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
19259 * doc/extend.texi (V850 Function Attributes): New section.
19260 (V850 Variable Attributes): New section.
19262 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
19265 * doc/extend.texi (MicroBlaze Function Attributes): Document
19266 interrupt_handler and fast_interrupt attributes.
19268 2016-01-05 Sergei Trofimovich <siarheit@google.com>
19271 * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
19272 for local symbolic operands.
19273 * config/ia64/predicates.md (local_symbolic_operand64): New
19276 2016-01-05 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
19278 PR rtl-optimization/68651
19279 * combine.c (combine_simplify_rtx): Canonicalize x + x into
19282 2016-01-05 Nathan Sidwell <nathan@acm.org>
19284 * alias.c (compare_base_decls): Use symtab_node::get.
19286 2016-01-05 Nick Clifton <nickc@redhat.com>
19289 * ira-costs.c (copy_cost): Initialise the t_icode field of the
19290 secondary_reload_info structure.
19293 * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
19294 decls if weak support is available.
19296 2016-01-04 Martin Sebor <msebor@redhat.com>
19298 * doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.
19300 2016-01-04 Michael Meissner <meissner@linux.vnet.ibm.com>
19302 * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
19303 OPTION_MASK_P9_DFORM.
19305 * config/rs6000/constraints.md (wo constraint): New constraint for
19308 * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
19310 (rs6000_init_hard_regno_mode_ok): Likewise.
19312 * config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
19315 * config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
19316 expanders not to have constraints. Add support for ISA 3.0 xxperm
19317 instruction. Add support for fusing xxlor with xxperm.
19318 (altivec_vperm_<mode>_internal): Likewise.
19319 (altivec_vperm_v8hiv16qi): Likewise.
19320 (altivec_vperm_<mode>v16q): Likewise.
19321 (altivec_vperm_<mode>_uns): Likewise.
19322 (vperm_v8hiv4si): Likewise.
19323 (vperm_v16qiv8hi): Likewise.
19325 * doc/md.texi (RS/6000 constraints): Document wo constraint.
19327 2016-01-04 Jakub Jelinek <jakub@redhat.com>
19329 Update copyright years.
19331 * gcc.c (process_command): Update copyright notice dates.
19332 * gcov-dump.c (print_version): Ditto.
19333 * gcov.c (print_version): Ditto.
19334 * gcov-tool.c (print_version): Ditto.
19335 * gengtype.c (create_file): Ditto.
19336 * doc/cpp.texi: Bump @copying's copyright year.
19337 * doc/cppinternals.texi: Ditto.
19338 * doc/gcc.texi: Ditto.
19339 * doc/gccint.texi: Ditto.
19340 * doc/gcov.texi: Ditto.
19341 * doc/install.texi: Ditto.
19342 * doc/invoke.texi: Ditto.
19344 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
19346 * config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
19347 modes larger than TImode as TImode if NEON is not enabled.
19349 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
19352 * config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
19353 mode for %f0-%f31 only if TARGET_FPU.
19355 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
19358 * config/sparc/sparc.c (scan_record_type): Take into account subfields
19359 to compute the PACKED_P predicate.
19360 (function_arg_record_value): Minor tweaks.
19362 2016-01-04 Thomas Preud'homme <thomas.preudhomme@arm.com>
19364 * doc/install.texi (--with-multilib-list): Describe the meaning of the
19365 option for arm*-*-* targets.
19367 2016-01-03 Sandra Loosemore <sandra@codesourcery.com>
19369 * doc/extend.texi (Common Function Attributes): Move docs for
19370 MSP430-specific attributes to....
19371 (MSP430 Function Attributes): ...here. Delete the redundant
19372 entries and copy-edit the remaining text.
19373 (MSP430 Variable Attributes): Use uniform format for index
19374 entries and add a cross-reference to the corresponding function
19377 2016-01-03 Vladimír Čunát <vcunat@gmail.com>
19379 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix
19381 (x86 Options): Likewise.
19383 2016-01-01 Sandra Loosemore <sandra@codesourcery.com>
19387 * extend.texi (Common Function Attributes) <no_stack_limit>: New.
19388 * invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
19389 to corresponding attribute.
19391 2016-01-01 Sandra Loosemore <sandra@codesourcery.com>
19393 * doc/extend.texi (Common Function Attributes) <noplt>: Move
19394 to correct alphabetization of table. Copy-edit and correct
19396 <stack_protect>: Likewise.
19397 <target_clones>: Likewise.
19399 * doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
19400 Correct punctuation.
19401 (Code Gen Options) <-fno-plt>: Copy-edit.
19403 2016-01-01 Bernd Edlinger <bernd.edlinger@hotmail.de>
19406 * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
19407 SI values. Explicitly convert SI to DI and vice-versa.
19409 2016-01-01 Jakub Jelinek <jakub@redhat.com>
19411 PR tree-optimization/69070
19412 * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
19413 REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.
19416 * ubsan.c (ubsan_instrument_float_cast): Call
19417 initialize_sanitizer_builtins.
19420 * ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
19422 Copyright (C) 2016 Free Software Foundation, Inc.
19424 Copying and distribution of this file, with or without modification,
19425 are permitted in any medium without royalty provided the copyright
19426 notice and this notice are preserved.