gcc/ChangeLog

   1 2016-07-26  Patrick Palka  <ppalka@gcc.gnu.org>
   2
   3         PR tree-optimization/18046
   4         * genmodes.c (emit_mode_size_inline): Emit an assert that
   5         verifies that mode is a valid array index.
   6         (emit_mode_nuinits_inline): Likewise.
   7         (emit_mode_inner_inline): Likewise.
   8         (emit_mode_unit_size_inline): Likewise.
   9         (emit_mode_unit_precision_inline): Likewise.
  10         * tree-vrp.c: Include params.h.
  11         (find_switch_asserts): Register edge assertions for the default
  12         label which correspond to the anti-ranges of each case label.
  13         * params.def (PARAM_MAX_VRP_SWITCH_ASSERTIONS): New.
  14         * doc/invoke.texi: Document it.
  15
  16 2016-07-26  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
  17
  18         * gimple-ssa-strength-reduction.c (slsr_process_phi): Remove dead
  19         and unnecessary call to gimple_bb.
  20
  21 2016-07-26  Richard Biener  <rguenther@suse.de>
  22
  23         PR rtl-optimization/71984
  24         * simplify-rtx.c (simplify_subreg): Use GET_MODE_SIZE and prepare
  25         for VOIDmode.
  26
  27 2016-07-26  Richard Biener  <rguenther@suse.de>
  28
  29         PR middle-end/72517
  30         * expmed.c (extract_bit_field_1): Constrain the vector mode
  31         with element size matching the extraction mode size when
  32         choosing a better vector mode to do the extraction from.
  33
  34 2016-07-26  Richard Biener  <rguenther@suse.de>
  35             Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
  36
  37         PR middle-end/70920
  38         * match.pd ((intptr)x eq/ne CST to x eq/ne (typeof x) CST): New
  39         pattern.
  40
  41 2016-07-26  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
  42
  43         * tree-ssa-structalias.c (struct scc_info): Change types of
  44         members to auto_sbitmap and auto_vec.
  45         (scc_info::scc_info): New constructor.
  46         (scc_info::~scc_info): New destructor.
  47         (init_scc_info): Remove.
  48         (free_scc_info): Remove.
  49         (find_indirect_cycles): Adjust.
  50         (perform_var_substitution): Likewise.
  51         (free_var_substitution_info): Likewise.
  52
  53 2016-07-26  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
  54
  55         * tree-outof-ssa.c (struct elim_graph): Change type of members
  56         to auto_vec and auto_sbitmap.
  57         (elim_graph::elim_graph): New constructor.
  58         (delete_elim_graph): Remove.
  59         (expand_phi_nodes): Adjust.
  60
  61 2016-07-26  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
  62
  63         * tree-outof-ssa.c (struct elim_graph): Remove typedef.
  64         (new_elim_graph): Adjust.
  65         (clear_elim_graph): Likewise.
  66         (delete_elim_graph): Likewise.
  67         (elim_graph_size): Likewise.
  68         (elim_graph_add_node): Likewise.
  69         (elim_graph_add_edge): Likewise.
  70         (elim_graph_remove_succ_edge): Likewise.
  71         (eliminate_name): Likewise.
  72         (eliminate_build): Likewise.
  73         (elim_forward): Likewise.
  74         (elim_unvisited_predecessor): Likewise.
  75         (elim_backward): Likewise.
  76         (elim_create): Likewise.
  77         (eliminate_phi): Likewise.
  78         (expand_phi_nodes): Likewise.
  79
  80 2016-07-26  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
  81
  82         * bt-load.c (compute_out): Use auto_sbitmap class.
  83         (link_btr_uses): Likewise.
  84         * cfganal.c (mark_dfs_back_edges): Likewise.
  85         (post_order_compute): Likewise.
  86         (inverted_post_order_compute): Likewise.
  87         (pre_and_rev_post_order_compute_fn): Likewise.
  88         (single_pred_before_succ_order): Likewise.
  89         * cfgexpand.c (pass_expand::execute): Likewise.
  90         * cfgloop.c (verify_loop_structure): Likewise.
  91         * cfgloopmanip.c (fix_bb_placements): Likewise.
  92         (remove_path): Likewise.
  93         (update_dominators_in_loop): Likewise.
  94         * cfgrtl.c (break_superblocks): Likewise.
  95         * ddg.c (check_sccs): Likewise.
  96         (create_ddg_all_sccs): Likewise.
  97         * df-core.c (df_worklist_dataflow): Likewise.
  98         * dse.c (dse_step3): Likewise.
  99         * except.c (eh_region_outermost): Likewise.
 100         * function.c (thread_prologue_and_epilogue_insns): Likewise.
 101         * gcse.c (prune_expressions): Likewise.
 102         (prune_insertions_deletions): Likewise.
 103         * gimple-ssa-backprop.c (backprop::~backprop): Likewise.
 104         * graph.c (draw_cfg_nodes_no_loops): Likewise.
 105         * ira-lives.c (remove_some_program_points_and_update_live_ranges): Likewise.
 106         * lcm.c (compute_earliest): Likewise.
 107         (compute_farthest): Likewise.
 108         * loop-unroll.c (unroll_loop_constant_iterations): Likewise.
 109         (unroll_loop_runtime_iterations): Likewise.
 110         (unroll_loop_stupid): Likewise.
 111         * lower-subreg.c (decompose_multiword_subregs): Likewise.
 112         * lra-lives.c: Likewise.
 113         * lra.c (lra): Likewise.
 114         * modulo-sched.c (schedule_reg_moves): Likewise.
 115         (optimize_sc): Likewise.
 116         (get_sched_window): Likewise.
 117         (sms_schedule_by_order): Likewise.
 118         (check_nodes_order): Likewise.
 119         (order_nodes_of_sccs): Likewise.
 120         (order_nodes_in_scc): Likewise.
 121         * recog.c (split_all_insns): Likewise.
 122         * regcprop.c (pass_cprop_hardreg::execute): Likewise.
 123         * reload1.c (reload): Likewise.
 124         * sched-rgn.c (haifa_find_rgns): Likewise.
 125         (split_edges): Likewise.
 126         (compute_trg_info): Likewise.
 127         * sel-sched.c (init_seqno): Likewise.
 128         * store-motion.c (remove_reachable_equiv_notes): Likewise.
 129         * tree-into-ssa.c (update_ssa): Likewise.
 130         * tree-ssa-live.c (live_worklist): Likewise.
 131         * tree-ssa-loop-im.c (fill_always_executed_in): Likewise.
 132         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
 133         * Likewise.
 134         (try_peel_loop): Likewise.
 135         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop):
 136         * Likewise.
 137         * tree-ssa-pre.c (compute_antic): Likewise.
 138         * tree-ssa-reassoc.c (undistribute_ops_list): Likewise.
 139         * tree-stdarg.c (reachable_at_most_once): Likewise.
 140         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Likewise.
 141         * var-tracking.c (vt_find_locations): Likewise.
 142
 143 2016-07-26  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
 144
 145         * sbitmap.h (auto_sbitmap): New class.
 146
 147 2016-07-26  Alan Modra  <amodra@gmail.com>
 148
 149         PR target/72103
 150         * config/rs6000/rs6000.c (rs6000_secondary_reload): Initialize
 151         sri->t_icode.
 152
 153 2016-07-25  David Malcolm  <dmalcolm@redhat.com>
 154
 155         * input.c (selftest::temp_source_file::temp_source_file): Fix
 156         missing "%s" in fprintf.
 157
 158 2016-07-25  John David Anglin  <danglin@gcc.gnu.org>
 159
 160         PR middle-end/71732
 161         * cselib.c (cselib_process_insn): Invalidate argument slots for
 162         const/pure calls.
 163
 164 2016-07-25  Jiong Wang  <jiong.wang@arm.com>
 165
 166         * config/aarch64/arm_neon.h (vfmah_lane_f16, vfmah_laneq_f16,
 167         vfmsh_lane_f16, vfmsh_laneq_f16, vmulh_lane_f16, vmulh_laneq_f16,
 168         vmulxh_lane_f16, vmulxh_laneq_f16): New.
 169
 170 2016-07-25  Jiong Wang  <jiong.wang@arm.com>
 171
 172         * config/aarch64/aarch64-simd-builtins.def: Register new builtins.
 173         * config/aarch64/aarch64.md (fma, fnma): Support HF.
 174         * config/aarch64/arm_fp16.h (vfmah_f16, vfmsh_f16): New.
 175
 176 2016-07-25  Jiong Wang  <jiong.wang@arm.com>
 177
 178         * config/aarch64/aarch64-simd-builtins.def: Register new builtins.
 179         * config/aarch64/aarch64.md (<FCVT_F2FIXED:fcvt_fixed_insn>hf<mode>3):
 180         New.
 181         (<FCVT_FIXED2F:fcvt_fixed_insn><mode>hf3): Likewise.
 182         (add<mode>3): Likewise.
 183         (sub<mode>3): Likewise.
 184         (mul<mode>3): Likewise.
 185         (div<mode>3): Likewise.
 186         (*div<mode>3): Likewise.
 187         (<fmaxmin><mode>3): Extend to HF.
 188         * config/aarch64/aarch64-simd.md (aarch64_rsqrts<mode>): Likewise.
 189         (fabd<mode>3): Likewise.
 190         (<FCVT_F2FIXED:fcvt_fixed_insn><VHSDF_HSDF:mode>3): Likewise.
 191         (<FCVT_FIXED2F:fcvt_fixed_insn><VHSDI_HSDI:mode>3): Likewise.
 192         (aarch64_fmulx<mode>): Likewise.
 193         (aarch64_fac<optab><mode>): Likewise.
 194         (aarch64_frecps<mode>): Likewise.
 195         (<FCVT_F2FIXED:fcvt_fixed_insn>hfhi3): New.
 196         (<FCVT_FIXED2F:fcvt_fixed_insn>hihf3): Likewise.
 197         * config/aarch64/iterators.md (VHSDF_SDF): Delete.
 198         (VSDQ_HSDI): Support HI.
 199         (fcvt_target, FCVT_TARGET): Likewise.
 200         * config/aarch64/arm_fp16.h (vaddh_f16, vsubh_f16, vabdh_f16,
 201         vcageh_f16, vcagth_f16, vcaleh_f16, vcalth_f16, vceqh_f16, vcgeh_f16,
 202         vcgth_f16, vcleh_f16, vclth_f16, vcvth_n_f16_s16, vcvth_n_f16_s32,
 203         vcvth_n_f16_s64, vcvth_n_f16_u16, vcvth_n_f16_u32, vcvth_n_f16_u64,
 204         vcvth_n_s16_f16, vcvth_n_s32_f16, vcvth_n_s64_f16, vcvth_n_u16_f16,
 205         vcvth_n_u32_f16, vcvth_n_u64_f16, vdivh_f16, vmaxh_f16, vmaxnmh_f16,
 206         vminh_f16, vminnmh_f16, vmulh_f16, vmulxh_f16, vrecpsh_f16,
 207         vrsqrtsh_f16): New.
 208
 209 2016-07-25  Jiong Wang  <jiong.wang@arm.com>
 210
 211         * config.gcc (aarch64*-*-*): Install arm_fp16.h.
 212         * config/aarch64/aarch64-builtins.c (hi_UP): New.
 213         * config/aarch64/aarch64-simd-builtins.def: Register new builtins.
 214         * config/aarch64/aarch64-simd.md (aarch64_frsqrte<mode>): Extend to HF
 215         mode.
 216         (aarch64_frecp<FRECP:frecp_suffix><mode>): Likewise.
 217         (aarch64_cm<optab><mode>): Likewise.
 218         * config/aarch64/aarch64.md (<frint_pattern><mode>2): Likewise.
 219         (l<fcvt_pattern><su_optab><GPF:mode><GPI:mode>2): Likewise.
 220         (fix_trunc<GPF:mode><GPI:mode>2): Likewise.
 221         (sqrt<mode>2): Likewise.
 222         (*sqrt<mode>2): Likewise.
 223         (abs<mode>2): Likewise.
 224         (<optab><mode>hf2): New pattern for HF mode.
 225         (<optab>hihf2): Likewise.
 226         * config/aarch64/arm_neon.h: Include arm_fp16.h.
 227         * config/aarch64/iterators.md (GPF_F16, GPI_F16, VHSDF_HSDF): New.
 228         (w1, w2, v, s, q, Vmtype, V_cmp_result, fcvt_iesize, FCVT_IESIZE):
 229         Support HF mode.
 230         * config/aarch64/arm_fp16.h: New file.
 231         (vabsh_f16, vceqzh_f16, vcgezh_f16, vcgtzh_f16, vclezh_f16, vcltzh_f16,
 232         vcvth_f16_s16, vcvth_f16_s32, vcvth_f16_s64, vcvth_f16_u16,
 233         vcvth_f16_u32, vcvth_f16_u64, vcvth_s16_f16, vcvth_s32_f16,
 234         vcvth_s64_f16, vcvth_u16_f16, vcvth_u32_f16, vcvth_u64_f16,
 235         vcvtah_s16_f16, vcvtah_s32_f16, vcvtah_s64_f16, vcvtah_u16_f16,
 236         vcvtah_u32_f16, vcvtah_u64_f16, vcvtmh_s16_f16, vcvtmh_s32_f16,
 237         vcvtmh_s64_f16, vcvtmh_u16_f16, vcvtmh_u32_f16, vcvtmh_u64_f16,
 238         vcvtnh_s16_f16, vcvtnh_s32_f16, vcvtnh_s64_f16, vcvtnh_u16_f16,
 239         vcvtnh_u32_f16, vcvtnh_u64_f16, vcvtph_s16_f16, vcvtph_s32_f16,
 240         vcvtph_s64_f16, vcvtph_u16_f16, vcvtph_u32_f16, vcvtph_u64_f16,
 241         vnegh_f16, vrecpeh_f16, vrecpxh_f16, vrndh_f16, vrndah_f16, vrndih_f16,
 242         vrndmh_f16, vrndnh_f16, vrndph_f16, vrndxh_f16, vrsqrteh_f16,
 243         vsqrth_f16): New.
 244
 245 2016-07-25  Jiong Wang  <jiong.wang@arm.com>
 246
 247         * config/aarch64/aarch64-simd-builtins.def (reduc_smax_scal_,
 248         reduc_smin_scal_): Use VDQIF_F16.
 249         (reduc_smax_nan_scal_, reduc_smin_nan_scal_): Use VHSDF.
 250         * config/aarch64/aarch64-simd.md (reduc_<maxmin_uns>_scal_<mode>):
 251         Use VHSDF.
 252         (aarch64_reduc_<maxmin_uns>_internal<mode>): Likewise.
 253         * config/aarch64/iterators.md (VDQIF_F16): New.
 254         (vp): Support HF modes.
 255         * config/aarch64/arm_neon.h (vmaxv_f16, vmaxvq_f16, vminv_f16,
 256         vminvq_f16, vmaxnmv_f16, vmaxnmvq_f16, vminnmv_f16, vminnmvq_f16): New.
 257
 258 2016-07-25  Jiong Wang  <jiong.wang@arm.com>
 259
 260         * config/aarch64/aarch64-simd.md (*aarch64_mulx_elt_to_64v2df): Rename to
 261         "*aarch64_mulx_elt_from_dup<mode>".
 262         (*aarch64_mul3_elt<mode>): Update schedule type.
 263         (*aarch64_mul3_elt_from_dup<mode>): Likewise.
 264         (*aarch64_fma4_elt_from_dup<mode>): Likewise.
 265         (*aarch64_fnma4_elt_from_dup<mode>): Likewise.
 266         * config/aarch64/iterators.md (VMUL): Supprt half precision float modes.
 267         (f, fp): Support HF modes.
 268         * config/aarch64/arm_neon.h (vfma_lane_f16, vfmaq_lane_f16,
 269         vfma_laneq_f16, vfmaq_laneq_f16, vfma_n_f16, vfmaq_n_f16, vfms_lane_f16,
 270         vfmsq_lane_f16, vfms_laneq_f16, vfmsq_laneq_f16, vfms_n_f16,
 271         vfmsq_n_f16, vmul_lane_f16, vmulq_lane_f16, vmul_laneq_f16,
 272         vmulq_laneq_f16, vmul_n_f16, vmulq_n_f16, vmulx_lane_f16,
 273         vmulxq_lane_f16, vmulx_laneq_f16, vmulxq_laneq_f16): New.
 274
 275 2016-07-25  Jiong Wang  <jiong.wang@arm.com>
 276
 277         * config/aarch64/aarch64-simd-builtins.def: Register new builtins.
 278         * config/aarch64/aarch64-simd.md (fma<mode>4, fnma<mode>4): Extend to HF
 279         modes.
 280         * config/aarch64/arm_neon.h (vfma_f16, vfmaq_f16, vfms_f16,
 281         vfmsq_f16): New.
 282
 283 2016-07-25  Jiong Wang  <jiong.wang@arm.com>
 284
 285         * config/aarch64/aarch64-simd-builtins.def: Register new builtins.
 286         * config/aarch64/aarch64-simd.md
 287         (aarch64_rsqrts<mode>): Extend to HF modes.
 288         (fabd<mode>3): Likewise.
 289         (<FCVT_F2FIXED:fcvt_fixed_insn><VHSDF_SDF:mode>3): Likewise.
 290         (<FCVT_FIXED2F:fcvt_fixed_insn><VHSDI_SDI:mode>3): Likewise.
 291         (aarch64_<maxmin_uns>p<mode>): Likewise.
 292         (<su><maxmin><mode>3): Likewise.
 293         (<maxmin_uns><mode>3): Likewise.
 294         (<fmaxmin><mode>3): Likewise.
 295         (aarch64_faddp<mode>): Likewise.
 296         (aarch64_fmulx<mode>): Likewise.
 297         (aarch64_frecps<mode>): Likewise.
 298         (*aarch64_fac<optab><mode>): Rename to aarch64_fac<optab><mode>.
 299         (add<mode>3): Extend to HF modes.
 300         (sub<mode>3): Likewise.
 301         (mul<mode>3): Likewise.
 302         (div<mode>3): Likewise.
 303         (*div<mode>3): Likewise.
 304         * config/aarch64/aarch64.c (aarch64_emit_approx_div): Return false for
 305         HF, V4HF and V8HF.
 306         * config/aarch64/iterators.md (VDQ_HSDI, VSDQ_HSDI): New mode iterator.
 307         * config/aarch64/arm_neon.h (vadd_f16, vaddq_f16, vabd_f16, vabdq_f16,
 308         vcage_f16, vcageq_f16, vcagt_f16, vcagtq_f16, vcale_f16, vcaleq_f16,
 309         vcalt_f16, vcaltq_f16, vceq_f16, vceqq_f16, vcge_f16, vcgeq_f16,
 310         vcgt_f16, vcgtq_f16, vcle_f16, vcleq_f16, vclt_f16, vcltq_f16,
 311         vcvt_n_f16_s16, vcvtq_n_f16_s16, vcvt_n_f16_u16, vcvtq_n_f16_u16,
 312         vcvt_n_s16_f16, vcvtq_n_s16_f16, vcvt_n_u16_f16, vcvtq_n_u16_f16,
 313         vdiv_f16, vdivq_f16, vdup_lane_f16, vdup_laneq_f16, vdupq_lane_f16,
 314         vdupq_laneq_f16, vdups_lane_f16, vdups_laneq_f16, vmax_f16, vmaxq_f16,
 315         vmaxnm_f16, vmaxnmq_f16, vmin_f16, vminq_f16, vminnm_f16, vminnmq_f16,
 316         vmul_f16, vmulq_f16, vmulx_f16, vmulxq_f16, vpadd_f16, vpaddq_f16,
 317         vpmax_f16, vpmaxq_f16, vpmaxnm_f16, vpmaxnmq_f16, vpmin_f16, vpminq_f16,
 318         vpminnm_f16, vpminnmq_f16, vrecps_f16, vrecpsq_f16, vrsqrts_f16,
 319         vrsqrtsq_f16, vsub_f16, vsubq_f16): New.
 320
 321 2016-07-25  Jiong Wang  <jiong.wang@arm.com>
 322
 323         * config/aarch64/aarch64-builtins.c (TYPES_BINOP_USS): New.
 324         * config/aarch64/aarch64-simd-builtins.def: Register new builtins.
 325         * config/aarch64/aarch64-simd.md (aarch64_rsqrte<mode>): Extend to HF modes.
 326         (neg<mode>2): Likewise.
 327         (abs<mode>2): Likewise.
 328         (<frint_pattern><mode>2): Likewise.
 329         (l<fcvt_pattern><su_optab><VDQF:mode><fcvt_target>2): Likewise.
 330         (<optab><VDQF:mode><fcvt_target>2): Likewise.
 331         (<fix_trunc_optab><VDQF:mode><fcvt_target>2): Likewise.
 332         (ftrunc<VDQF:mode>2): Likewise.
 333         (<optab><fcvt_target><VDQF:mode>2): Likewise.
 334         (sqrt<mode>2): Likewise.
 335         (*sqrt<mode>2): Likewise.
 336         (aarch64_frecpe<mode>): Likewise.
 337         (aarch64_cm<optab><mode>): Likewise.
 338         * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Return false for
 339         HF, V4HF and V8HF.
 340         * config/aarch64/iterators.md (VHSDF, VHSDF_DF, VHSDF_SDF): New.
 341         (VDQF_COND, fcvt_target, FCVT_TARGET, hcon): Extend mode attribute to HF modes.
 342         (stype): New.
 343         * config/aarch64/arm_neon.h (vdup_n_f16): New.
 344         (vdupq_n_f16): Likewise.
 345         (vld1_dup_f16): Use vdup_n_f16.
 346         (vld1q_dup_f16): Use vdupq_n_f16.
 347         (vabs_f16, vabsq_f16, vceqz_f16, vceqzq_f16, vcgez_f16, vcgezq_f16,
 348         vcgtz_f16, vcgtzq_f16, vclez_f16, vclezq_f16, vcltz_f16, vcltzq_f16,
 349         vcvt_f16_s16, vcvtq_f16_s16, vcvt_f16_u16, vcvtq_f16_u16, vcvt_s16_f16,
 350         vcvtq_s16_f16, vcvt_u16_f16, vcvtq_u16_f16, vcvta_s16_f16,
 351         vcvtaq_s16_f16, vcvta_u16_f16, vcvtaq_u16_f16, vcvtm_s16_f16,
 352         vcvtmq_s16_f16, vcvtm_u16_f16, vcvtmq_u16_f16, vcvtn_s16_f16,
 353         vcvtnq_s16_f16, vcvtn_u16_f16, vcvtnq_u16_f16, vcvtp_s16_f16,
 354         vcvtpq_s16_f16, vcvtp_u16_f16, vcvtpq_u16_f16, vneg_f16, vnegq_f16,
 355         vrecpe_f16, vrecpeq_f16, vrnd_f16, vrndq_f16, vrnda_f16, vrndaq_f16,
 356         vrndi_f16, vrndiq_f16, vrndm_f16, vrndmq_f16, vrndn_f16, vrndnq_f16,
 357         vrndp_f16, vrndpq_f16, vrndx_f16, vrndxq_f16, vrsqrte_f16, vrsqrteq_f16,
 358         vsqrt_f16, vsqrtq_f16): New.
 359
 360 2016-07-25  Jiong Wang  <jiong.wang@arm.com>
 361
 362         * config/aarch64/aarch64-simd.md
 363         (aarch64_<PERMUTE:perm_insn><PERMUTE:perm_hilo><mode>): Use VALL_F16.
 364         (aarch64_ext<mode>): Likewise.
 365         (aarch64_rev<REVERSE:rev_op><mode>): Likewise.
 366         * config/aarch64/aarch64.c (aarch64_evpc_trn, aarch64_evpc_uzp,
 367         aarch64_evpc_zip, aarch64_evpc_ext, aarch64_evpc_rev): Support V4HFmode
 368         and V8HFmode.
 369         * config/aarch64/arm_neon.h (__INTERLEAVE_LIST): Support float16x4_t,
 370         float16x8_t.
 371         (__aarch64_vdup_lane_f16, __aarch64_vdup_laneq_f16,
 372         __aarch64_vdupq_lane_f16, __aarch64_vdupq_laneq_f16, vbsl_f16,
 373         vbslq_f16, vdup_n_f16, vdupq_n_f16, vdup_lane_f16, vdup_laneq_f16,
 374         vdupq_lane_f16, vdupq_laneq_f16, vduph_lane_f16, vduph_laneq_f16,
 375         vext_f16, vextq_f16, vmov_n_f16, vmovq_n_f16, vrev64_f16, vrev64q_f16,
 376         vtrn1_f16, vtrn1q_f16, vtrn2_f16, vtrn2q_f16, vtrn_f16, vtrnq_f16,
 377         vuzp1_f16, vuzp1q_f16, vuzp2_f16, vuzp2q_f16, vzip1_f16, vzip2q_f16):
 378         New.
 379         (vmov_n_f16): Reimplement using vdup_n_f16.
 380         (vmovq_n_f16): Reimplement using vdupq_n_f16..
 381
 382 2016-07-25  Jiong Wang  <jiong.wang@arm.com>
 383
 384         * config/aarch64/aarch64.c (aarch64_add_constant): New parameter
 385         "frame_related_p".  Generate CFA annotation when it's necessary.
 386         (aarch64_expand_prologue): Use aarch64_add_constant.
 387         (aarch64_expand_epilogue): Likewise.
 388         (aarch64_output_mi_thunk): Pass "false" when calling
 389         aarch64_add_constant.
 390
 391 2016-07-25  Jiong Wang  <jiong.wang@arm.com>
 392
 393         * config/aarch64/aarch64.c (aarch64_add_constant): Optimize instruction
 394         sequences.
 395
 396 2016-07-25  Jiong Wang  <jiong.wang@arm.com>
 397
 398         * config/aarch64/aarch64.c (aarch64_add_constant): New parameter "mode".
 399         Use aarch64_internal_mov_immediate instead of aarch64_build_constant.
 400         (aarch64_output_mi_thunk): Pass Pmode when calling aarch64_add_constant.
 401         (aarch64_build_constant): Delete.
 402
 403 2016-07-25  Alexander Monakov  <amonakov@ispras.ru>
 404
 405         Revert
 406         2016-07-20  Alexander Monakov  <amonakov@ispras.ru>
 407
 408         * config/nvptx/nvptx.c (nvptx_option_override): Do not set
 409         flag_toplevel_reorder.
 410
 411 2016-07-25  Richard Biener  <rguenther@suse.de>
 412
 413         * cgraph.c (cgraph_node::verify_node): Compare against builtin
 414         by using DECL_BUILT_IN_CLASS and DECL_FUNCTION_CODE.
 415         * tree-chkp.c (chkp_gimple_call_builtin_p): Likewise.
 416         * tree-streamer.h (streamer_handle_as_builtin_p): Remove.
 417         (streamer_get_builtin_tree): Likewise.
 418         (streamer_write_builtin): Likewise.
 419         * lto-streamer.h (LTO_builtin_decl): Remove.
 420         * lto-streamer-in.c (lto_read_tree_1): Remove assert.
 421         (lto_input_scc): Remove LTO_builtin_decl handling.
 422         (lto_input_tree_1): Liekwise.
 423         * lto-streamer-out.c (lto_output_tree_1): Remove special
 424         handling of builtins.
 425         (DFS::DFS): Likewise.
 426         * tree-streamer-in.c (streamer_get_builtin_tree): Remove.
 427         * tree-streamer-out.c (pack_ts_function_decl_value_fields): Remove
 428         assert.
 429         (streamer_write_builtin): Remove.
 430
 431 2016-07-25  Martin Liska  <mliska@suse.cz>
 432
 433         * lto-cgraph.c (input_symtab): Don't call get_working_sets
 434         if flag_auto_profile is set to true.
 435
 436 2016-07-25  Martin Liska  <mliska@suse.cz>
 437
 438         PR gcov-profile/71868
 439         * cfgloopanal.c (expected_loop_iterations_unbounded): When we
 440         have a function with multiple latches, count them all.
 441
 442 2016-07-25  Martin Liska  <mliska@suse.cz>
 443
 444         * tree-ssa-loop-niter.c (loop_only_exit_p): Release body array.
 445
 446 2016-07-25  Martin Liska  <mliska@suse.cz>
 447
 448         PR tree-optimization/71987
 449         * tree-ssa-reassoc.c (maybe_optimize_range_tests): Call get_ops
 450         just for SSA_NAMEs. Fix GNU coding style.
 451
 452 2016-07-25  Martin Liska  <mliska@suse.cz>
 453
 454         PR gcov-profile/64874
 455         * gcov-io.h: Update command about file format.
 456         * gcov-iov.c (main): Adapt the numbering scheme.
 457
 458 2016-07-24  Kugan Vivekanandarajah  <kuganv@linaro.org>
 459
 460         PR middle-end/66726
 461         * tree-ssa-reassoc.c (optimize_vec_cond_expr): Handle tcc_compare stmt
 462         whose result is used in PHI.
 463         (final_range_test_p): Likewise.
 464         (maybe_optimize_range_tests): Likewise.
 465
 466 2016-07-22  Michael Meissner  <meissner@linux.vnet.ibm.com>
 467
 468         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
 469         Reformat two multi-line strings.
 470
 471 2016-07-22 Martin Sebor  <msebor@redhat.com>
 472
 473         * doc/extend.texi (Compound Literals): Add '@' missed in last commit.
 474
 475 2016-07-22 Martin Sebor  <msebor@redhat.com>
 476
 477         PR c/71560
 478         * doc/extend.texi (Compound Literals): Correct and clarify.
 479         (Cast to Union): Same.
 480
 481 2016-07-22  Kelvin Nilsen  <kelvin@gcc.gnu.org>
 482
 483         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
 484         comments to explain why certain error messages make mention of
 485         undocumented options.
 486         (rs6000_invalid_builtin): Change error messages to replace mention
 487         of undocumented options with mention of the -mcpu=power9 option
 488         that enables those undocumented options.
 489         * config/rs6000/rs6000.h (MASK_FLOAT128): New macro.
 490         (RS6000_BTM_FLOAT128): Use the new MASK_FLOAT128 macro in the
 491         definition of this macro to correct an existing error.
 492         * config/rs6000/rs6000.opt: Add the Undocumented qualifier to the
 493         mpower9-fusion, mpower9-vector, mpower9-dform, and mmodulo entries.
 494         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Modify
 495         descriptions of built-in functions so that they depend on
 496         -mcpu=power9 instead of on the corresponding undocumented flags.
 497         * doc/invoke.texi (Option Summary):  Remove all mention of newly
 498         undocumented flags.
 499         (IBM RS/6000 and PowerPC Options): Likewise.
 500         * doc/md.texi (Constraints for Particuliar Machines): Remove all
 501         mention of newly undocumented flags.
 502
 503 2016-07-22  Evgeny Stupachenko  <evstupac@gmail.com>
 504
 505         * ipa-cp.c (determine_versionability): Do not create constprop clones,
 506         when target_clones attribute is set.
 507
 508 2016-07-22  Bin Cheng  <bin.cheng@arm.com>
 509
 510         * common.opt (funsafe-loop-optimizations): Mark ignore.
 511         * doc/invoke.texi (funsafe-loop-optimizations): Remove.
 512         * loop-iv.c (get_simple_loop_desc): Remove unsafe-loop-optimizations
 513         related code.
 514         * tree-ssa-loop-niter.c (finite_loop_p): Ditto.
 515         * config/bfin/bfin.c (bfin_can_use_doloop_p): Ditto.
 516
 517 2016-07-22  Bin Cheng  <bin.cheng@arm.com>
 518
 519         * tree-ssa-loop-niter.h (number_of_iterations_exit_assumptions): New
 520         Parameter.
 521         * tree-ssa-loop-niter.c (number_of_iterations_exit_assumptions): New
 522         Parameter.
 523         (number_of_iterations_exit): Warn missed loop optimization for
 524         possible infinite loops.
 525
 526 2016-07-22  Segher Boessenkool  <segher@kernel.crashing.org>
 527
 528         * config/rs6000/rs6000.c (rs6000_file_start): Fix condition for
 529         when to emit a ".machine" pseudo-op.
 530
 531 2016-07-22  Martin Liska  <mliska@suse.cz>
 532
 533         PR gcov-profile/69028
 534         PR gcov-profile/62047
 535         * coverage.c (coverage_compute_lineno_checksum): Do not
 536         calculate checksum for fns w/o xloc.file.
 537         (coverage_compute_profile_id): Likewise.
 538
 539 2016-07-22  Georg-Johann Lay  <avr@gjlay.de>
 540
 541         * config/avr/avr.c (TARGET_SECONDARY_RELOAD): Remove hook define...
 542         (avr_secondary_reload): ...and implementation.
 543         (avr_adjust_insn_length) [ADJUST_LEN_LPM]: Remove handling.
 544         * config/avr/avr.md (reload_in<mode>): Remove insns.
 545         (adjust_len) [lpm]: Remove insn attribute value.
 546         * config/avr/predicates.md (flash_operand): Remove insn predicate.
 547
 548 2016-07-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
 549
 550         PR middle-end/71876
 551         * builtin-attrs.def (ATTR_RT_NOTHROW_LEAF_LIST): New return twice
 552         attribute.
 553         * builtins.def (BUILT_IN_SETJMP): Use ATTR_RT_NOTHROW_LEAF_LIST here.
 554         * calls.c (special_function_p): Remove the special handling of the
 555         "__builtin_" prefix.
 556
 557 2016-07-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
 558
 559         PR middle-end/71876
 560         * calls.c (gimple_maybe_alloca_call_p): New function.  Return true
 561         if STMT may be an alloca call.
 562         (gimple_alloca_call_p, alloca_call_p): Return only true for the
 563         builtin alloca call.
 564         * calls.h (gimple_maybe_alloca_call_p): New function.
 565         * tree-inline.c (inline_forbidden_p_stmt): Use
 566         gimple_maybe_alloca_call_p here.
 567
 568 2016-07-21  David Malcolm  <dmalcolm@redhat.com>
 569
 570         * spellcheck-tree.c (best_macro_match::best_macro_match):
 571         Explictly specify the template arguments when invoking the base
 572         class constructor, to help older C++ compilers.
 573
 574 2016-07-21  Jakub Jelinek  <jakub@redhat.com>
 575
 576         PR sanitizer/71953
 577         * asan.c (asan_dynamic_init_call): Call asan_init_shadow_ptr_types
 578         before builtin_decl_implicit.
 579
 580 2016-07-21  James Greenhalgh  <james.greenhalgh@arm.com>
 581
 582         * optabs.c (emit_condiitonal_move): Short circuit for identical
 583         sources.
 584
 585 2016-07-21  James Greenhalgh  <james.greenhalgh@arm.com>
 586
 587         * ifcvt.c (noce_if_info): New fields: speed_p, original_cost,
 588         max_seq_cost.  Removed fields: then_cost, else_cost, branch_cost.
 589         (noce_conversion_profitable_p): New.
 590         (noce_try_store_flag_constants): Use it.
 591         (noce_try_addcc): Likewise.
 592         (noce_try_store_flag_mask): Likewise.
 593         (noce_try_cmove): Likewise.
 594         (noce_try_cmove_arith): Likewise.
 595         (bb_valid_for_noce_process_p): Add to the cost parameter rather than
 596         overwriting it.
 597         (noce_convert_multiple_sets): Move cost model to here, from...
 598         (bb_ok_for_noce_convert_multiple_sets) ...here.
 599         (noce_process_if_block): Update calls for above changes.
 600         (noce_find_if_block): Record new noce_if_info parameters.
 601
 602 2016-07-21  James Greenhalgh  <james.greenhalgh@arm.com>
 603
 604         * target.def (max_noce_ifcvt_seq_cost): New.
 605         * doc/tm.texi.in (TARGET_MAX_NOCE_IFCVT_SEQ_COST): Document it.
 606         * doc/tm.texi: Regenerate.
 607         * targhooks.h (default_max_noce_ifcvt_seq_cost): New.
 608         * targhooks.c (default_max_noce_ifcvt_seq_cost): New.
 609         * params.def (PARAM_MAX_RTL_IF_CONVERSION_PREDICTABLE_COST): New.
 610         (PARAM_MAX_RTL_IF_CONVERSION_UNPREDICTABLE_COST): Likewise.
 611         * doc/invoke.texi: Document new params.
 612
 613 2016-07-21  Richard Biener  <rguenther@suse.de>
 614
 615         PR tree-optimization/71947
 616         * tree-vrp.c (extract_range_from_assert): Singleton symbolic
 617         ranges have useful limit_vr information.
 618
 619 2016-07-21  Richard Biener  <rguenther@suse.de>
 620
 621         * function-tests.c (build_trivial_generic_function): Set
 622         BLOCK_SUPERCONTEXT of DECL_INITIAL.
 623         * omp-low.c (create_omp_child_function): Likewise.
 624         (grid_expand_target_grid_body): Likewise.
 625         * cgraphunit.c (init_lowered_empty_function): Likewise.
 626         (cgraph_node::expand_thunk): Likewise.
 627         * tree-parloops.c (create_loop_fn): Likewise.
 628         * ipa.c (cgraph_build_static_cdtor_1): Likewise.
 629
 630 2016-07-21  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
 631
 632         * tree-ssa-strlen.c (strlen_dom_walker::before_dom_children): Fix typo
 633         in comment.
 634
 635 2016-07-21  Georg-Johann Lay  <avr@gjlay.de>
 636
 637         * config/avr/avr.md (any_extract, any_shiftrt): New code iterators.
 638         (*insv.extract, *insv.shiftrt, *insv.not-bit.0, *insv.not-bit.7)
 639         (*insv.xor-extract, *insv.xor1-bit.0): New insns.
 640         (adjust_len) [insv_notbit, insv_notbit_0, insv_notbit_7]: New
 641         values for insn attribute.
 642         * config/avr/avr.c (avr_out_insert_notbit): New function.
 643         (avr_adjust_insn_length): Handle ADJUST_LEN_INSV_NOTBIT,
 644         ADJUST_LEN_INSV_NOTBIT_0/_7.
 645         * config/avr/avr-protos.h (avr_out_insert_notbit): New proto.
 646
 647 2016-07-21  Bin Cheng  <bin.cheng@arm.com>
 648
 649         * tree-chrec.c (convert_affine_scev): New parameter.  Pass new arg.
 650         (chrec_convert_1, chrec_convert): Ditto.
 651         * tree-chrec.h (chrec_convert, convert_affine_scev): New parameter.
 652         * tree-scalar-evolution.c (interpret_rhs_expr): Pass new arg.
 653         * tree-vrp.c (adjust_range_with_scev): Ditto.
 654         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Ditto.
 655         (scev_var_range_cant_overflow): New function.
 656         (scev_probably_wraps_p): New parameter.  Call above function.
 657         * tree-ssa-loop-niter.h (scev_probably_wraps_p): New parameter.
 658
 659 2016-07-21  Bin Cheng  <bin.cheng@arm.com>
 660
 661         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Clean up
 662         by removing computation of may_be_zero.
 663
 664 2016-07-21  Jakub Jelinek  <jakub@redhat.com>
 665
 666         * tree-object-size.c (unknown): Use HOST_WIDE_INT_M1U instead of -1.
 667
 668 2016-07-21  Andrew Sutton  <andrew.n.sutton@gmail.com>
 669
 670         Improving concepts performance and diagnostics.
 671         * timevar.def (TV_CONSTRAINT_SAT, TV_CONSTRAINT_SUB): New time vars
 672         for constraint satisfaction and subsumption.
 673         * timevar.h (auto_timevar): New constructor that matches the push/pop
 674         pattern of usage in pt.c.
 675
 676 2016-07-20  Uros Bizjak  <ubizjak@gmail.com>
 677
 678         * hwint.h (HOST_WIDE_INT_0): New define.
 679         (HOST_WIDE_INT_0U): Ditto.
 680         * double-int.c: Use HOST_WIDE_INT_0 instead of (HOST_WIDE_INT) 0.
 681         * dse.c: Use HOST_WIDE_INT_0U instead of (unsigned HOST_WIDE_INT) 0.
 682         * simplify-rtx.c: Ditto.
 683         * tree-object-size.c: Ditto.
 684
 685 2016-07-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
 686
 687         * config/s390/s390.c (s390_encode_section_info): Remove mode size
 688         check.
 689
 690 2016-07-20  Uros Bizjak  <ubizjak@gmail.com>
 691
 692         * cse.c: Use HOST_WIDE_INT_M1 instead of ~(HOST_WIDE_INT) 0.
 693         * combine.c: Use HOST_WIDE_INT_M1U instead of
 694         ~(unsigned HOST_WIDE_INT) 0.
 695         * double-int.h: Ditto.
 696         * dse.c: Ditto.
 697         * dwarf2asm.c:Ditto.
 698         * expmed.c: Ditto.
 699         * genmodes.c: Ditto.
 700         * match.pd: Ditto.
 701         * read-rtl.c: Ditto.
 702         * tree-ssa-loop-ivopts.c: Ditto.
 703         * tree-ssa-loop-prefetch.c: Ditto.
 704         * tree-vect-generic.c: Ditto.
 705         * tree-vect-patterns.c: Ditto.
 706         * tree.c: Ditto.
 707
 708 2016-07-20  Georg-Johann Lay  <avr@gjlay.de>
 709
 710         * gcc/config/avr.c (avr_legitimize_address) [AVR_TINY]: Force
 711         constant addresses outside [0,0xc0] into a register.
 712         (avr_out_movhi_r_mr_reg_no_disp_tiny): Pass insn.  And handle
 713         cases where the base address register is unused after.
 714         (avr_out_movhi_r_mr_reg_disp_tiny): Same.
 715         (avr_out_movhi_mr_r_reg_disp_tiny): Same.
 716         (avr_out_store_psi_reg_disp_tiny): Same.
 717
 718 2016-07-20  Georg-Johann Lay  <avr@gjlay.de>
 719
 720         Implement attribute progmem on reduced Tiny cores by adding
 721         flash offset 0x4000 to respective symbols.
 722
 723         PR target/71948
 724         * doc/extend.texi (AVR Variable Attributes) [progmem]: Add
 725         documentation how it works on reduced Tiny cores.
 726         (AVR Named Address Spaces): No support for reduced Tiny.
 727         * config/avr/avr.c (AVR_SYMBOL_FLAG_TINY_PM): New macro.
 728         (avr_address_tiny_pm_p): New static function.
 729         (avr_print_operand_address) [AVR_TINY]: Add AVR_TINY_PM_OFFSET
 730         if the address is in progmem.
 731         (avr_assemble_integer): Same.
 732         (avr_encode_section_info) [AVR_TINY]: Set AVR_SYMBOL_FLAG_TINY_PM
 733         for symbol_ref in progmem.
 734         * config/avr/avr.h (AVR_TINY_PM_OFFSET): New macro.
 735         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use it instead of
 736         magic 0x4000 when built-in def'ing __AVR_TINY_PM_BASE_ADDRESS__.
 737
 738 2016-07-20  Patrick Palka  <ppalka@gcc.gnu.org>
 739
 740         * configure.ac (thin_archive_support): New variable.  AC_SUBST it.
 741         * configure: Regenerate.
 742         * Makefile.in (THIN_ARCHIVE_SUPPORT): New variable.
 743         (USE_THIN_ARCHIVES): New variable.
 744         (libbackend.a): If USE_THIN_ARCHIVES then pass T to ar to build
 745         this archive as a thin archive.
 746
 747 2016-07-20  David Malcolm  <dmalcolm@redhat.com>
 748
 749         * diagnostic-show-locus.c (diagnostic_show_locus): If this is the
 750         same location as last time, don't skip if we have fix-it hints.
 751         Clarify the skipping logic by converting it from one "if" clause
 752         to repeated "if" clauses.
 753         * spellcheck-tree.c: Include "cpplib.h".
 754         (find_closest_macro_cpp_cb): Move here from c/c-decl.c.
 755         (best_macro_match::best_macro_match): New constructor.
 756         * spellcheck-tree.h (struct edit_distance_traits<cpp_hashnode *>):
 757         Move here from c/c-decl.c.
 758         (class best_macro_match): Move here from c/c-decl.c, converting
 759         from a typedef to a subclass, gaining a ctor.
 760
 761 2016-07-20  Georg-Johann Lay  <avr@gjlay.de>
 762
 763         * config/avr/avr-protos.h (avr_addr_space_supported_p): New prototype.
 764         * config/avr/avr.c (TARGET_ADDR_SPACE_DIAGNOSE_USAGE): New hook
 765         define...
 766         (avr_addr_space_diagnose_usage): ...and implementation.
 767         (avr_addr_space_supported_p): New function.
 768         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Only
 769         report bad address space usage if that space is supported.
 770         (avr_insert_attributes): Same.  No more complain about unsupported
 771         address spaces.
 772         * config/avr/avr-c.c (tm_p.h): Include it.
 773         (avr_cpu_cpp_builtins): Only define addr-space related built-in
 774         macro if avr_addr_space_supported_p.
 775
 776 2016-07-20  Alexander Monakov  <amonakov@ispras.ru>
 777
 778         * config/nvptx/nvptx.c (nvptx_option_override): Do not set
 779         flag_toplevel_reorder.
 780
 781 2016-07-20  David Malcolm  <dmalcolm@redhat.com>
 782
 783         * gcc-rich-location.c
 784         (gcc_rich_location::add_fixit_misspelled_id): New overload, taking
 785         a const char *.
 786         * gcc-rich-location.h
 787         (gcc_rich_location::add_fixit_misspelled_id): Likewise.
 788
 789 2016-07-20  Georg-Johann Lay  <avr@gjlay.de>
 790
 791         * target.def (addr_space): Add new diagnose_usage to hook vector.
 792         * targhooks.c (default_addr_space_diagnose_usage): Add default
 793         implementation and...
 794         * targhooks.h (default_addr_space_diagnose_usage): ... its prototype.
 795         * c/c-parser.c (c_lex_one_token) [CPP_NAME]: If the token
 796         is some address space, call targetm.addr_space.diagnose_usage.
 797         * doc/tm.texi.in (Named Address Spaces): Add anchor for
 798         TARGET_ADDR_SPACE_DIAGNOSE_USAGE documentation.
 799         * doc/tm.texi: Regenerate.
 800
 801 2016-07-20  Martin Liska  <mliska@suse.cz>
 802
 803         PR middle-end/71898
 804         * graphite-isl-ast-to-gimple.c (later_of_the_two):
 805         Properly handly PHI stmts.
 806
 807 2016-07-20  Bin Cheng  <bin.cheng@arm.com>
 808
 809         PR tree-optimization/71503
 810         PR tree-optimization/71683
 811         * tree-if-conv.c (gen_phi_arg_condition): Record true predicate
 812         and break.
 813
 814 2016-07-20  Martin Liska  <mliska@suse.cz>
 815
 816         * doc/invoke.texi (-fipa-ra): Document when the option is
 817         disabled. Fix a typo.
 818
 819 2016-07-20  Martin Liska  <mliska@suse.cz>
 820
 821         * Makefile.in: Include fibonacci_heap.c
 822         * fibonacci_heap.c: New file.
 823         * fibonacci_heap.h (fibonacci_heap::insert): Use insert_node.
 824         (fibonacci_heap::union_with): Fix deletion of the second heap.
 825         * selftest-run-tests.c (selftest::run_tests): Incorporate
 826         fibonacci heap tests.
 827         * selftest.h: Declare fibonacci_heap_c_tests.
 828
 829 2016-07-20  Martin Liska  <mliska@suse.cz>
 830
 831         * selftest-run-tests.c (selftest::run_tests): New function.
 832         * selftest.h (sreal_c_tests): Declare.
 833         * sreal.c (sreal_verify_basics): New function.
 834         (verify_aritmetics): Likewise.
 835         (sreal_verify_arithmetics): Likewise.
 836         (verify_shifting): Likewise.
 837         (sreal_verify_shifting): Likewise.
 838         (void sreal_c_tests): Likewise.
 839
 840 2016-07-19  Jakub Jelinek  <jakub@redhat.com>
 841
 842         PR rtl-optimization/71916
 843         * cfgrtl.c (contains_no_active_insn_p): Return false also for
 844         bb which have a single succ fake edge.
 845
 846 2016-07-19  Aldy Hernandez  <aldyh@redhat.com>
 847
 848         PR debug/71855
 849         * dwarf2out.c (gen_subprogram_die): Only call
 850         gen_unspecified_parameters_die while dumping early dwarf.
 851
 852 2016-07-19  Jakub Jelinek  <jakub@redhat.com>
 853
 854         PR middle-end/71874
 855         * gimple-fold.c (fold_builtin_memory_op): Use
 856         get_addr_base_and_unit_offset instead of get_ref_base_and_extent.
 857
 858 2016-07-19  Uros Bizjak  <ubizjak@gmail.com>
 859
 860         * builtins.c: Use HOST_WIDE_INT_1 instead of (HOST_WIDE_INT) 1,
 861         HOST_WIDE_INT_1U instead of (unsigned HOST_WIDE_INT) 1,
 862         HOST_WIDE_INT_M1 instead of (HOST_WIDE_INT) -1 and
 863         HOST_WIDE_INT_M1U instead of (unsigned HOST_WIDE_INT) -1.
 864         * combine.c: Ditto.
 865         * cse.c: Ditto.
 866         * dojump.c: Ditto.
 867         * double-int.c: Ditto.
 868         * dse.c: Ditto.
 869         * dwarf2out.c: Ditto.
 870         * expmed.c: Ditto.
 871         * expr.c: Ditto.
 872         * fold-const.c: Ditto.
 873         * function.c: Ditto.
 874         * fwprop.c: Ditto.
 875         * genmodes.c: Ditto.
 876         * hwint.c: Ditto.
 877         * hwint.h: Ditto.
 878         * ifcvt.c: Ditto.
 879         * loop-doloop.c: Ditto.
 880         * loop-invariant.c: Ditto.
 881         * loop-iv.c: Ditto.
 882         * match.pd: Ditto.
 883         * optabs.c: Ditto.
 884         * real.c: Ditto.
 885         * reload.c: Ditto.
 886         * rtlanal.c: Ditto.
 887         * simplify-rtx.c: Ditto.
 888         * stor-layout.c: Ditto.
 889         * toplev.c: Ditto.
 890         * tree-ssa-loop-ivopts.c: Ditto.
 891         * tree-vect-generic.c: Ditto.
 892         * tree-vect-patterns.c: Ditto.
 893         * tree.c: Ditto.
 894         * tree.h: Ditto.
 895         * ubsan.c: Ditto.
 896         * varasm.c: Ditto.
 897         * wide-int-print.cc: Ditto.
 898         * wide-int.cc: Ditto.
 899         * wide-int.h: Ditto.
 900
 901 2016-07-19  David Malcolm  <dmalcolm@redhat.com>
 902
 903         * selftest.c (selftest::assert_streq): Handle NULL values of
 904         val_actual and val_expected.
 905
 906 2016-07-19  Martin Jambor  <mjambor@suse.cz>
 907
 908         PR fortran/71688
 909         * trans-decl.c (gfc_generate_function_code): Use cgraph_get_create_node
 910         rather than cgraph_create_node to get a call graph node.
 911
 912 2016-07-19  Richard Biener  <rguenther@suse.de>
 913
 914         * gimple-fold.c (get_base_constructor): Add VIEW_CONVERT case,
 915         handle all tcc_constant bases and valueize SSA names.
 916         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): Handle
 917         tcc_constant bases.
 918
 919 2016-07-19  David Malcolm  <dmalcolm@redhat.com>
 920
 921         * function-tests.c (selftest::verify_three_block_rtl_cfg): Verify
 922         the flags of the exit block and bb2, not just the entry block.
 923
 924 2016-07-19  Richard Biener  <rguenther@suse.de>
 925
 926         PR tree-optimization/71901
 927         * tree-ssa-sccvn.h (struct vn_reference_op_struct): Add
 928         align member, group stuff with the bitfield.
 929         (vn_ref_op_align_unit): New inline.
 930         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): For ARRAY_REFs
 931         record element alignment and operand 3 unchanged.
 932         (ao_ref_init_from_vn_reference): Adjust.
 933         (valueize_refs_1): Likewise.
 934         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Likewise.
 935
 936 2016-07-19  Richard Biener  <rguenther@suse.de>
 937
 938         PR tree-optimization/71908
 939         * tree-ssa-structalias.c (get_constraint_for_component_ref): Handle
 940         symbolic constants in a more reliable way.
 941
 942 2016-07-19  Ilya Enkovich  <ilya.enkovich@intel.com>
 943
 944         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Update
 945         comment.
 946         (vect_update_inits_of_drs): Likewise.
 947         (vect_create_cond_for_alias_checks): Likewise.
 948         * tree-vect-loop.c (vect_get_known_peeling_cost): Likewise.
 949
 950 2016-07-19  Richard Biener  <rguenther@suse.de>
 951
 952         PR lto/71907
 953         * lto-streamer-out.c (DFS::DFS_write_tree_body): For blocks
 954         with an abstract origin that is not an inlined function outer
 955         scope add a self-reference as abstract origin.
 956         * tree-streamer-out.c (write_ts_block_tree_pointers): Likewise.
 957
 958 2016-07-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
 959
 960         PR target/71493
 961         * config/rs6000/rs6000.c (rs6000_function_value): Fix
 962         unintentional System V.4 structure return breakage for structures
 963         with a single floating point element.
 964
 965 2016-07-18  Yuri Rumyantsev  <ysrumyan@gmail.com>
 966
 967         PR tree-optimization/71734
 968         * tree-ssa-loop-im.c (ref_indep_loop_p_1): Add REF_LOOP argument which
 969         contains REF, use it to check safelen, assume that safelen value
 970         must be greater 1, fix style.
 971         (ref_indep_loop_p_2): Add REF_LOOP argument.
 972         (ref_indep_loop_p): Pass LOOP as additional argument to
 973         ref_indep_loop_p_2.
 974
 975 2016-07-18  Dominik Vogt  <vogt@linux.vnet.ibm.com>
 976
 977         * cfgexpand.c (expand_stack_vars): Implement synamic stack space
 978         allocation in the prologue.
 979         * explow.c (get_dynamic_stack_base): New function to return an address
 980         expression for the dynamic stack base.
 981         (get_dynamic_stack_size): New function to do the required dynamic stack
 982         space size calculations.
 983         (allocate_dynamic_stack_space): Use new functions.
 984         (align_dynamic_address): Move some code from
 985         allocate_dynamic_stack_space to new function.
 986         * explow.h (get_dynamic_stack_base, get_dynamic_stack_size): Export.
 987
 988 2016-07-18  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
 989
 990         * config/s390/s390.c (s390_encode_section_info): Always set
 991         notaligned marker if mode size is 0 or no MEM_ALIGN info could be
 992         found.
 993
 994 2016-07-18  Richard Biener  <rguenther@suse.de>
 995
 996         PR tree-optimization/71893
 997         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Compensate
 998         for sizetype cast added by array_ref_element_size.
 999         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
1000
1001 2016-07-16  John David Anglin  <danglin@gcc.gnu.org>
1002
1003         * config/pa/pa.c (hppa_profile_hook): Allocate stack space for
1004         register parameters.  Remove code to initialize argument pointer
1005         on TARGET_64BIT.  Optimize call to _mcount when it can be reached
1006         using a pc-relative branch.  Cleanup conditional code.
1007         * config/pa/pa.md (call_mcount): New expander.
1008         (call_mcount_nonpic): New insn.
1009         (call_mcount_pic): New insn and split.
1010         (call_mcount_pic_post_reload): New insn.
1011         (call_mcount_64bit): New insn and split.
1012         (call_mcount_64bit_post_reload): New insn.
1013
1014 2016-07-15  Georg-Johann Lay  <avr@gjlay.de>
1015
1016         * config/avr/predicates.md (const_m255_to_m1_operand): New.
1017         * config/avr/constraints.md (Cn8, Ca1, Co1, Yx2): New constraints.
1018         * config/avr/avr.md (add<mode>3) <ALL1>: Fix set_vzn for +/-2.
1019         (*cmphi.zero-extend.0, *cmphi.zero-extend.1)
1020         (*usum_widenqihi3, *udiff_widenqihi3)
1021         (*addhi3_zero_extend.const): New combiner insns.
1022         (andqi3, iorqi3): Provide "l" (NO_LD_REGS) alternative if
1023         just 1 bit is affected.
1024         * config/avr/avr.c (avr_out_bitop) <QImode>: Don't access xop[3].
1025         (avr_out_compare) [EQ,NE]: Tweak comparing d-regs against -1.
1026
1027 2016-07-15  Cesar Philippidis  <cesar@codesourcery.com>
1028
1029         * omp-low.c (lower_omp_target): Mark data clauses with
1030         GOMP_MAP_FORCE_{PRESENT,TO,FROM,TOFROM} as potentially having
1031         zero-length subarrays.
1032
1033 2016-07-15  Richard Biener  <rguenther@suse.de>
1034
1035         PR tree-optimization/71881
1036         * tree-loop-distribution.c (destroy_loop): Remove blocks in
1037         reverse DOM order to make debug temp generation happy.
1038
1039 2016-07-15  Richard Biener  <rguenther@suse.de>
1040
1041         PR tree-optimization/71887
1042         * tree-ssa-phiopt.c (absorbing_element_p): Add rhs arg and
1043         verify it is not zero for division / modulo handling.
1044         (value_replacement): Adjust.
1045
1046 2016-07-15  Virendra Pathak  <virendra.pathak@broadcom.com>
1047             Julian Brown  <julian@codesourcery.com>
1048
1049         * config/aarch64/aarch64-cores.def: Update vulcan COSTS.
1050         * config/aarch64/aarch64-cost-tables.h
1051         (vulcan_extra_costs): New variable.
1052         * config/aarch64/aarch64.c
1053         (vulcan_addrcost_table): Likewise.
1054         (vulcan_regmove_cost): Likewise.
1055         (vulcan_vector_cost): Likewise.
1056         (vulcan_branch_cost): Likewise.
1057         (vulcan_tunings): Likewise.
1058
1059 2016-07-15  Alexander Monakov  <amonakov@ispras.ru>
1060
1061         * cgraphunit.c (cgraph_order_sort_kind): New entry ORDER_VAR_UNDEF.
1062         (output_in_order): Loop over undefined variables too.  Output them
1063         via assemble_undefined_decl.  Skip variables that correspond to hard
1064         registers or have value-exprs.
1065         * varpool.c (symbol_table::output_variables): Handle undefined
1066         variables together with defined ones.
1067
1068 2016-07-15  Richard Biener  <rguenther@suse.de>
1069
1070         * tree-ssa-pre.c (get_representative_for): Make sure to return
1071         the value number of SSA names.
1072         (phi_translate_1): get_representative_for cannot return NULL.
1073         (do_pre_regular_insertion): Remove redundant call to
1074         fully_constant_expression.
1075         (do_pre_partial_partial_insertion): Likewise.
1076
1077 2016-07-15  Bin Cheng  <bin.cheng@arm.com>
1078
1079         * tree-scalar-evolution.c (simple_iv_with_niters): New funcion.
1080         (derive_simple_iv_with_niters): New function.
1081         (simple_iv): Rewrite using simple_iv_with_niters.
1082         * tree-scalar-evolution.h (simple_iv_with_niters): New decl.
1083         * tree-ssa-loop-niter.c (number_of_iterations_exit_assumptions): New
1084         function.
1085         (number_of_iterations_exit): Rewrite using above function.
1086         * tree-ssa-loop-niter.h (number_of_iterations_exit_assumptions): New
1087         Decl.
1088
1089 2016-07-15  Richard Biener  <rguenther@suse.de>
1090
1091         * config/i386/i386.c (ix86_builtin_vectorization_cost): Adjust
1092         vec_construct cost.
1093
1094 2016-07-14  Jakub Jelinek  <jakub@redhat.com>
1095
1096         PR tree-optimization/71872
1097         * tree-data-ref.c (get_references_in_stmt): Ignore references
1098         with is_gimple_constant get_base_address.
1099
1100 2016-07-14  Thomas Preud'homme  <thomas.preudhomme@arm.com>
1101
1102         * config/arm/arm.h (TARGET_HAVE_LDACQ): Enable for ARMv8-M Mainline.
1103         (TARGET_HAVE_LDACQD): New macro.
1104         * config/arm/sync.md (atomic_loaddi): Use TARGET_HAVE_LDACQD rather
1105         than TARGET_HAVE_LDACQ.
1106         (arm_load_acquire_exclusivedi): Likewise.
1107         (arm_store_release_exclusivedi): Likewise.
1108
1109 2016-07-14  Thomas Preud'homme  <thomas.preudhomme@arm.com>
1110
1111         PR rtl-optimization/71878
1112         * lra-constraints.c (match_reload): Pass information about other
1113         output operands.  Create new unique register value if matching input
1114         operand shares same register value as output operand being considered.
1115         (curr_insn_transform): Record output operands already processed.
1116
1117 2016-07-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1118
1119         PR target/65951
1120         PR tree-optimization/70923
1121         * tree-vect-patterns.c: Include mult-synthesis.h.
1122         (target_supports_mult_synth_alg): New function.
1123         (synth_lshift_by_additions): Likewise.
1124         (apply_binop_and_append_stmt): Likewise.
1125         (vect_synth_mult_by_constant): Likewise.
1126         (target_has_vecop_for_code): Likewise.
1127         (vect_recog_mult_pattern): Use above functions to synthesize vector
1128         multiplication by integer constants.
1129
1130 2016-07-14  Alan Modra  <amodra@gmail.com>
1131
1132         * gcc/config/rs6000/altivec.md (altivec_mov<mode>): Disparage
1133         gpr alternatives.  Correct '*' placement on Y,r alternative.
1134         Add '*' on operand 1 of r,r alternative.
1135
1136 2016-07-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1137
1138         * expmed.c (mult_variant, choose_mult_variant): Move declaration to...
1139         * expmed.h: ... Here.
1140
1141 2016-07-14  Jan Hubicka  <hubicka@ucw.cz>
1142
1143         * gimple.h (stmt_can_terminate_bb_p): New function.
1144         * tree-cfg.c (need_fake_edge_p): Rename to ...
1145         (stmt_can_terminate_bb_p): ... this; return true if stmt can
1146         throw external; handle const and pure calls.
1147         * tree-ssa-loop-niter.c (loop_only_exit_p): Use it.
1148
1149 2016-07-14  Richard Biener  <rguenther@suse.de>
1150
1151         PR tree-optimization/71866
1152         * tree-ssa-pre.c (get_constant_for_value_id): Remove.
1153         (do_hoist_insertion): Avoid endless recursion when we
1154         didn't insert anything because we managed to simplify
1155         things down to a constant or SSA name.
1156         (fully_constant_expression): Re-write in terms of ...
1157         * tree-ssa-sccvn.h (vn_nary_simplify): ... this.  Declare.
1158         * tree-ssa-sccvn.c (vn_nary_simplify): New wrapper around
1159         vn_nary_build_or_lookup_1.
1160         (vn_nary_build_or_lookup_1): Added flag and renamed from ...
1161         (vn_nary_build_or_lookup): ... this which now wraps it.
1162
1163 2016-07-14  Alan Modra  <amodra@gmail.com>
1164
1165         PR target/71733
1166         * config/rs6000/rs6000.c (rs6000_option_override_internal): Deal
1167         with p9_vector override before power9-dform override.
1168
1169 2016-07-13  Andi Kleen  <ak@linux.intel.com>
1170
1171         * value-prof.c (gimple_value_profile_transformations): Don't run
1172         when auto_profile is on.
1173
1174 2016-07-13  Andi Kleen  <ak@linux.intel.com>
1175
1176         * auto-profile.c (update_inlined_ind_target,
1177         afdo_indirect_call): Print information to dump file.
1178
1179 2016-07-13  Andrew Burgess  <andrew.burgess@embecosm.com>
1180
1181         * genrecog.c (special_predicate_operand_p): New function.
1182         (predicate_name): Move function.
1183         (validate_pattern): Don't warn about missing mode for all
1184         define_special_predicate predicates.
1185
1186 2016-07-13  Bin Cheng  <bin.cheng@arm.com>
1187
1188         * tree-vect-data-refs.c (vect_no_alias_p): New function.
1189         (vect_prune_runtime_alias_test_list): Call vect_no_alias_p to
1190         resolve alias checks which are known at compilation time.
1191         Truncate vector LOOP_VINFO_MAY_ALIAS_DDRS(loop_vinfo) if all
1192         alias checks are resolved.  Move dump info for too many runtime
1193         alias checks to here...
1194         * tree-vect-loop.c (vect_analyze_loop_2): ...From here.
1195
1196 2016-07-13  Richard Biener  <rguenther@suse.de>
1197
1198         PR tree-optimization/24574
1199         * tree-ssa-phiopt.c (absorbing_element_p): Pass in argument
1200         position and add shift, rotate, divison and modulo support
1201         for left zero.
1202         (value_replacement): Pass in argument position to absorbing_element_p.
1203
1204 2016-07-13  Ilya Enkovich  <ilya.enkovich@intel.com>
1205
1206         PR ipa/71633
1207         * ipa-inline-transform.c (inline_call): Support
1208         instrumented thunks.
1209
1210 2016-07-13  Thomas Preud'homme  <thomas.preudhomme@arm.com>
1211
1212         * config/arm/arm.h (TARGET_HAVE_CBZ): Define.
1213         (TARGET_IDIV): Set for all Thumb targets provided they have hardware
1214         divide feature.
1215         * config/arm/arm.md (divsi3): New unpredicable alternative for ARMv8-M
1216         Baseline.  Make initial alternative TARGET_32BIT only.
1217         (udivsi3): Likewise.
1218         * config/arm/thumb1.md (thumb1_cbz): New define_insn.
1219         * doc/sourcebuild.texi (arm_thumb1_cbz_ok): Document new effective
1220         target.
1221
1222 2016-07-13  Thomas Preud'homme  <thomas.preudhomme@arm.com>
1223
1224         * config/arm/arm.h (TARGET_HAVE_MOVT): Include ARMv8-M as having MOVT.
1225         * config/arm/arm.c (arm_arch_name): (const_ok_for_op): Check MOVT/MOVW
1226         availability with TARGET_HAVE_MOVT.
1227         (thumb_legitimate_constant_p): Strip the high part of a label_ref.
1228         (thumb1_rtx_costs): Also return 0 if setting a half word constant and
1229         MOVW is available and replace (unsigned HOST_WIDE_INT) INTVAL by
1230         UINTVAL.
1231         (thumb1_size_rtx_costs): Make set of half word constant also cost 1
1232         extra instruction if MOVW is available.  Use a cost variable
1233         incremented by COSTS_N_INSNS (1) when the condition match rather than
1234         returning an arithmetic expression based on COSTS_N_INSNS.  Make
1235         constant with bottom half word zero cost 2 instruction if MOVW is
1236         available.
1237         * config/arm/arm.md (define_attr "arch"): Add v8mb.
1238         (define_attr "arch_enabled"): Set to yes if arch value is v8mb and
1239         target is ARMv8-M Baseline.
1240         (arm_movt): New unpredicable alternative for ARMv8-M Baseline.
1241         (arm_movtas_ze): Likewise.
1242         * config/arm/thumb1.md (thumb1_movdi_insn): Add ARMv8-M Baseline only
1243         alternative for constants satisfying j constraint.
1244         (thumb1_movsi_insn): Likewise.
1245         (movsi splitter for K alternative): Tighten condition to not trigger
1246         if movt is available and j constraint is satisfied.
1247         (Pe immediate splitter): Likewise.
1248         (thumb1_movhi_insn): Add ARMv8-M Baseline only alternative for
1249         constant fitting in an halfword to use MOVW.
1250         * doc/sourcebuild.texi (arm_thumb1_movt_ok): Document new ARM
1251         effective target.
1252
1253 2016-07-13  Richard Biener  <rguenther@suse.de>
1254
1255         PR middle-end/71104
1256         * gimplify.c (gimplify_modify_expr): Gimplify the RHS before
1257         gimplifying the LHS.  Make sure to gimplify a returning twice
1258         call LHS without using SSA names.
1259
1260 2016-07-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
1261
1262         * tree-data-ref.c (find_data_references_in_stmt): Remove
1263         unnecessary call to vec::release.
1264         (graphite_find_data_references_in_stmt): Likewise.
1265         * tree-ssa-alias.c (nonoverlapping_component_refs_of_decl_p): Likewise.
1266         * tree-vect-stmts.c (vectorizable_condition): Likewise.
1267
1268 2016-07-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
1269
1270         * cfgexpand.c (expand_used_vars): Make the type of a local
1271         variable auto_vec.
1272         * genmatch.c (lower_for): Likewise.
1273         * haifa-sched.c (haifa_sched_init): Likewise.
1274         (add_to_speculative_block): Likewise.
1275         (create_check_block_twin): Likewise.
1276         * predict.c (handle_missing_profiles): Likewise.
1277         * tree-data-ref.c (loop_nest_has_data_refs): Likewise.
1278         * tree-diagnostic.c (maybe_unwind_expanded_macro_loc): Likewise.
1279         * tree-ssa-loop-niter.c (discover_iteration_bound_by_body_walk):
1280         Likewise.
1281         (maybe_lower_iteration_bound): Likewise.
1282         * tree-ssa-sccvn.c (DFS): Likewise.
1283         * tree-stdarg.c (reachable_at_most_once): Likewise.
1284         * tree-vect-stmts.c (vectorizable_conversion): Likewise.
1285         (vectorizable_store): Likewise.
1286
1287 2016-07-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
1288
1289         * tree-ssa-sccvn.c (sccvn_dom_walker::~sccvn_dom_walker): remove.
1290         (sccvn_dom_walker): make cond_stack an auto_vec.
1291
1292 2016-07-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
1293
1294         * ree.c (struct ext_state): Make type of members auto_vec.
1295         (find_and_remove_re): Adjust.
1296
1297 2016-07-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
1298
1299         * cfgexpand.c (struct stack_vars_data): Make type of fields
1300         auto_vec.
1301         (expand_used_vars): Adjust.
1302
1303 2016-07-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
1304
1305         * ipa.c (record_cdtor_fn): Adjust.
1306         (build_cdtor_fns): Likewise.
1307         (ipa_cdtor_merge): Make static_ctors and static_dtors local
1308         variables.
1309
1310 2016-07-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
1311
1312         * genextract.c (struct accum_extract): Add constructor and make
1313         members auto_vec.
1314         (gen_insn): Adjust.
1315
1316 2016-07-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
1317
1318         * tree.c (struct free_lang_data_d): Add constructor and change
1319         types of members to ones that automatically manage resources.
1320         (fld_worklist_push): Adjust.
1321         (find_decls_types): Likewise.
1322         (find_decls_types_in_eh_region): Likewise.
1323         (free_lang_data_in_cgraph): Stop manually creating and
1324         destroying members of free_lang_data_d.
1325
1326 2016-07-13  Uros Bizjak  <ubizjak@gmail.com>
1327
1328         PR rtl-optimization/68961
1329         * config/i386/sse.md (movsd/movhpd to movupd peephole2s): Add new
1330         peephole variant.  Use sse_reg_operand predicates.
1331
1332 2016-07-12  Uros Bizjak  <ubizjak@gmail.com>
1333
1334         * config/i386/predicates.md (x86_64_immediate_operand)
1335         <case CONST_INT>: Remove unneeded truncation to DImode.
1336         <case CONST>: Ditto.
1337         (x86_64_zext_immediate_operand) <case CONST>: Ditto.
1338
1339 2016-07-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1340
1341         PR target/71805
1342         * config/rs6000/altivec.md (altivec_vperm_<mode>_internal):
1343         The xxperm and xxpermr instructions require that the 2nd input
1344         operand overlap with the output operand, and not the 1st.
1345         (altivec_vperm_v8hiv16qi): Likewise.
1346         (altivec_vperm_<mode>_uns_internal): Likewise.
1347         (altivec_vpermr_<mode>_internal): Likewise.
1348         (vperm_v8hiv4si): Likewise.
1349         (vperm_v16qiv8hi): Likewise.
1350
1351 2016-07-12  Martin Liska  <mliska@suse.cz>
1352
1353         * params.def: Add avg-loop niter.
1354         * tree-ssa-loop-ivopts.c (avg_loop_niter): Use the param.
1355         * cfgloopanal.c (expected_loop_iterations_unbounded): Likewise.
1356         * doc/invoke.texi: Document the new parameter.
1357
1358 2016-07-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1359
1360         PR middle-end/71700
1361         * expr.c (store_constructor): Mask sign-extended bits when widening
1362         sub-word constructor element at the start of a word.
1363
1364 2016-07-12  Martin Liska  <mliska@suse.cz>
1365
1366         * Makefile.in: Append rule for params-options.h.
1367         * params-options.h: New file.
1368
1369 2016-07-12  Martin Liska  <mliska@suse.cz>
1370
1371         * ira-build.c (mark_loops_for_removal): Properly iterate
1372         loops.
1373
1374 2016-07-12  Steven Bosscher  <steven@gcc.gnu.org>
1375             Richard Biener  <rguenther@suse.de>
1376
1377         PR tree-optimization/23286
1378         PR tree-optimization/70159
1379         * doc/invoke.texi: Document -fcode-hoisting.
1380         * common.opt (fcode-hoisting): New flag.
1381         * opts.c (default_options_table): Enable -fcode-hoisting at -O2+.
1382         * tree-ssa-pre.c (pre_stats): Add hoist_insert.
1383         (do_regular_insertion): Rename to ...
1384         (do_pre_regular_insertion): ... this and amend general comments
1385         on insertion strathegy.
1386         (do_partial_partial_insertion): Rename to ...
1387         (do_pre_partial_partial_insertion): ... this.
1388         (do_hoist_insertion): New function.
1389         (insert_aux): Take flags on whether to do PRE and/or hoist insertion
1390         and call do_hoist_insertion properly.
1391         (insert): Adjust.
1392         (pass_pre::gate): Enable also if -fcode-hoisting is enabled.
1393         (pass_pre::execute): Register hoist_insert stats.
1394
1395 2016-07-12  Jakub Jelinek  <jakub@redhat.com>
1396
1397         PR middle-end/71716
1398         * gimple-fold.c (optimize_atomic_compare_exchange_p): Return false
1399         for SCALAR_FLOAT_TYPE_P type of expected var, or if TYPE_PRECISION
1400         is different from mode's bitsize.  Small cleanup.
1401
1402 2016-07-12  Richard Biener  <rguenther@suse.de>
1403
1404         PR rtl-optimization/68961
1405         * fwprop.c (propagate_rtx): Allow SUBREGs of VEC_CONCAT and CONCAT
1406         to simplify to a non-constant.
1407
1408 2016-07-11  Jakub Jelinek  <jakub@redhat.com>
1409
1410         PR middle-end/71758
1411         * omp-low.c (expand_omp_target): Gimplify device.
1412
1413         PR tree-optimization/71823
1414         * tree-vect-stmts.c (vectorizable_operation): Use vect_get_vec_defs
1415         to get vec_oprnds2 from op2.
1416
1417 2016-07-11  Uros Bizjak  <ubizjak@gmail.com>
1418
1419         * config/i386/predicates.md (x86_64_immediate_operand) <case CONST>:
1420         Hoist common subexpressions.
1421         (x86_64_zext_immediate_operand) <case CONST>: Ditto.
1422
1423 2016-07-11  Pat Haugen  <pthaugen@us.ibm.com>
1424
1425         PR target/71800
1426         * config/rs6000/rs6000.md (stfiwx): Change constraint to 'wu' to
1427         prevent generation of 'stxsiwx' on pre Power8 hardware.
1428
1429 2016-07-11  David Malcolm  <dmalcolm@redhat.com>
1430
1431         * input.c: Include cpplib.h.
1432         (selftest::temp_source_file): New class.
1433         (selftest::temp_source_file::temp_source_file): New ctor.
1434         (selftest::temp_source_file::~temp_source_file): New dtor.
1435         (selftest::should_have_column_data_p): New function.
1436         (selftest::test_should_have_column_data_p): New function.
1437         (selftest::temp_line_table): New class.
1438         (selftest::temp_line_table::temp_line_table): New ctor.
1439         (selftest::temp_line_table::~temp_line_table): New dtor.
1440         (selftest::test_accessing_ordinary_linemaps): Add case_ param; use
1441         it to create a temp_line_table.
1442         (selftest::assert_loceq): Only verify LOCATION_COLUMN for
1443         locations that are known to have column data.
1444         (selftest::line_table_case): New struct.
1445         (selftest::test_reading_source_line): Move tempfile handling
1446         to class temp_source_file.
1447         (ASSERT_TOKEN_AS_TEXT_EQ): New macro.
1448         (selftest::assert_token_loc_eq): New function.
1449         (ASSERT_TOKEN_LOC_EQ): New macro.
1450         (selftest::test_lexer): New function.
1451         (selftest::boundary_locations): New array.
1452         (selftest::input_c_tests): Call test_should_have_column_data_p.
1453         Loop over a test matrix of interesting values of location and
1454         default_range_bits, calling test_lexer on each case in the matrix.
1455         Move call to test_accessing_ordinary_linemaps into the matrix.
1456         * selftest.h (ASSERT_EQ): Reimplement in terms of...
1457         (ASSERT_EQ_AT): New macro.
1458
1459 2016-07-11  H.J. Lu  <hongjiu.lu@intel.com>
1460
1461         PR target/71801
1462         * config/i386/i386.c (timode_scalar_chain::fix_debug_reg_uses):
1463         Don't convert TImode in debug insn.
1464
1465 2016-07-11  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1466
1467         Convert TYPE_ALIGN_OK to a TYPE_LANG_FLAG.
1468         * tree-core.h (tree_base::nothrow_flag): Adjust comment.
1469         (tree_type_common::lang_flag_7): New.
1470         (tree_type_common::spare): Reduce size.
1471         * tree.h (TYPE_ALIGN_OK): Remove.
1472         (TYPE_LANG_FLAG_7): New.
1473         (get_inner_reference): Adjust header.
1474         * print-tree.c (print_node): Adjust.
1475         * expr.c (get_inner_reference): Remove parameter keep_aligning.
1476         (get_bit_range, expand_assignment, expand_expr_addr_expr_1): Adjust
1477         calls to get_inner_reference.
1478         (expand_expr_real_1): Adjust call to get_inner_reference.  Remove
1479         handling of TYPE_ALIGN_OK.
1480         * builtins.c (get_object_alignment_2): Adjust call to
1481         get_inner_reference.  Remove handling of VIEW_CONVERT_EXPR.
1482         * emit-rtl.c (set_mem_attributes_minus_bitpos): Remove handling of
1483         TYPE_ALIGN_OK.
1484         * asan.c (instrument_derefs): Adjust calls to get_inner_reference.
1485         * cfgexpand.c (expand_debug_expr): Likewise.
1486         * dbxout.c (dbxout_expand_expr): Likewise.
1487         * dwarf2out.c (loc_list_for_address_of_addr_expr_of_indirect_ref,
1488         loc_list_from_tree, fortran_common): Likewise.
1489         * fold-const.c (optimize_bit_field_compare,
1490         decode_field_reference, fold_unary_loc, fold_comparison,
1491         split_address_to_core_and_offset): Likewise.
1492         * gimple-laddress.c (execute): Likewise.
1493         * gimple-ssa-strength-reduction.c (slsr_process_ref): Likewise.
1494         * gimplify.c (gimplify_scan_omp_clauses): Likewise.
1495         * hsa-gen.c (gen_hsa_addr): Likewise.
1496         * simplifx-rtx.c (delegitimize_mem_from_attrs): Likewise.
1497         * tsan.c (instrument_expr): Likewise.
1498         * ubsan.c (instrument_bool_enum_load, instrument_object_size): Likewise.
1499         * tree.c (verify_type_variant): Remove handling of TYPE_ALIGN_OK.
1500         * tree-affine.c (tree_to_aff_combination,
1501         get_inner_reference_aff): Adjust calls to get_inner_reference.
1502         * tree-data-ref.c (split_constant_offset_1,
1503         dr_analyze_innermost): Likewise.
1504         * tree-scalar-evolution.c (interpret_rhs_expr): Likewise.
1505         * tree-sra.c (ipa_sra_check_caller): Likewise.
1506         * tree-ssa-loop-ivopts.c (split_address_cost): Likewise.
1507         * tree-ssa-math-opts.c (find_bswap_or_nop_load,
1508         bswap_replace): Likewise.
1509         * tree-vect-data-refs.c (vect_check_gather,
1510         vect_analyze_data_refs): Likewise.
1511         * config/mips/mips.c (r10k_safe_mem_expr_p): Likewise.
1512         * config/pa/pa.c (pa_emit_move_sequence): Remove handling of
1513         TYPE_ALIGN_OK.
1514
1515 2016-07-11  David Malcolm  <dmalcolm@redhat.com>
1516
1517         * Makefile.in (selftest-valgrind): New phony target.
1518         * function-tests.c (selftest::build_cfg): Delete pass instances
1519         created by the test.
1520         (selftest::convert_to_ssa): Likewise.
1521         (selftest::test_expansion_to_rtl): Likewise.
1522         * tree-cfg.c (selftest::test_linear_chain): Release dominator
1523         vectors.
1524         (selftest::test_diamond): Likewise.
1525
1526 2016-07-11  Richard Biener  <rguenther@suse.de>
1527
1528         PR tree-optimization/71816
1529         * tree-ssa-pre.c (compute_avail): Adjust alignment of ref rather
1530         than replacing all of its operands.
1531
1532 2016-07-11  Alan Modra  <amodra@gmail.com>
1533
1534         * config/rs6000/rs6000.md (UNSPEC_DOLOOP): New unspec.
1535         (ctr<mode>): Add unspec.
1536         (ctr<mode>_internal*): Likewise.
1537
1538 2016-07-08  James Bowman  <james.bowman@ftdichip.com>
1539
1540         * config/ft32/ft32.c (ft32_elf_encode_section_info): New function.
1541         * config/ft32/ft32.h (ASM_OUTPUT_SYMBOL_REF): New function.
1542
1543 2016-07-08  Vladimir Makarov  <vmakarov@redhat.com>
1544
1545         PR rtl-optimization/71621
1546         * lra-constraints.c (process_alt_operands): Check combination of
1547         reg class and mode.
1548
1549 2016-07-08  Jason Merrill  <jason@redhat.com>
1550             Richard Biener  <rguenther@suse.de>
1551
1552         P0145: Refining Expression Order for C++.
1553         * gimplify.c (initial_rhs_predicate_for): New.
1554         (gimplfy_modify_expr): Gimplify RHS before LHS.
1555
1556 2016-07-08  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1557
1558         PR target/71297
1559         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
1560         Allow standard error handling to take over when a wrong number
1561         of arguments is presented to __builtin_vec_ld () or
1562         __builtin_vec_st ().
1563
1564 2016-07-08  Jiong Wang  <jiong.wang@arm.com>
1565
1566         * config/aarch64/aarch64-simd-builtins.def (smax): Remove float
1567         variants.
1568         (smin): Likewise.
1569         (fmax): New entry.
1570         (fmin): Likewise.
1571         * config/aarch64/arm_neon.h (vmaxnm_f32): Use
1572         __builtin_aarch64_fmaxv2sf.
1573         (vmaxnmq_f32): Likewise.
1574         (vmaxnmq_f64): Likewise.
1575         (vminnm_f32): Likewise.
1576         (vminnmq_f32): Likewise.
1577         (vminnmq_f64): Likewise.
1578
1579 2016-07-08  Michael Meissner  <meissner@linux.vnet.ibm.com>
1580
1581         PR target/71806
1582         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Do not
1583         enable -mfloat128-hardware by default.
1584         (ISA_3_0_MASKS_IEEE): New macro to give all of the VSX options
1585         that IEEE 128-bit hardware support needs.
1586         * config/rs6000/rs6000.c (rs6000_option_override_internal): If
1587         -mcpu=power9 -mfloat128, enable -mfloat128-hardware by default.
1588         Use ISA_3_0_MASKS_IEEE as the set of options that IEEE 128-bit
1589         floating point requires.
1590         * doc/invoke.texi (RS/6000 and PowerPC Options): Document
1591         -mfloat128 and -mfloat128-hardware changes.
1592
1593 2016-07-08  Alan Hayward  <alan.hayward@arm.com>
1594
1595         PR tree-optimization/71667
1596         * tree-vect-loop.c (vectorizable_live_operation): ignore DEBUG stmts
1597
1598 2016-07-08  Martin Liska  <mliska@suse.cz>
1599
1600         PR middle-end/71606
1601         * fold-const.c (fold_convertible_p): As COMPLEX_TYPE
1602         folding produces SAVE_EXPRs, thus return false for the type.
1603
1604 2016-07-07  Martin Liska  <mliska@suse.cz>
1605
1606         * file-find.c (remove_prefix): New function.
1607         * file-find.h (remove_prefix): Declare the function.
1608         * gcc-ar.c (main): Skip a folder of the wrapper if
1609         a wrapped binary would point to the same file.
1610
1611 2016-07-07  Jan Hubicka  <jh@suse.cz>
1612
1613         * tree-scalar-evolution.c (iv_can_overflow_p): export.
1614         * tree-scalar-evolution.h (iv_can_overflow_p): Declare.
1615         * tree-ssa-loop-ivopts.c (alloc_iv): Use it.
1616
1617 2016-07-07  Ilya Enkovich  <ilya.enkovich@intel.com>
1618
1619         PR ipa/71624
1620         * ipa-inline-analysis.c (compute_inline_parameters): Set
1621         local.can_change_signature to false for intrumentation
1622         thunk callees.
1623
1624 2016-07-07  Thomas Preud'homme  <thomas.preudhomme@arm.com>
1625
1626         * config/arm/arm.h (TARGET_USE_MOVT): Check MOVT/MOVW availability
1627         with TARGET_HAVE_MOVT.
1628         (TARGET_HAVE_MOVT): Define.
1629         * config/arm/arm.c (const_ok_for_op): Check MOVT/MOVW
1630         availability with TARGET_HAVE_MOVT.
1631         * config/arm/arm.md (arm_movt): Use TARGET_HAVE_MOVT to check MOVT
1632         availability.
1633         (addsi splitter): Use TARGET_THUMB && TARGET_HAVE_MOVT rather than
1634         TARGET_THUMB2.
1635         (symbol_refs movsi splitter): Remove TARGET_32BIT check.
1636         (arm_movtas_ze): Use TARGET_HAVE_MOVT to check MOVT availability.
1637         * config/arm/constraints.md (define_constraint "j"): Use
1638         TARGET_HAVE_MOVT to check MOVT availability.
1639
1640 2016-07-07  Thomas Preud'homme  <thomas.preudhomme@arm.com>
1641
1642         * config/arm/arm-protos.h: Reindent FL_FOR_* macro definitions.
1643
1644 2016-07-07  Thomas Preud'homme  <thomas.preudhomme@arm.com>
1645
1646         * config/arm/arm-arches.def (armv8-m.base): Define new architecture.
1647         (armv8-m.main): Likewise.
1648         (armv8-m.main+dsp): Likewise.
1649         * config/arm/arm-protos.h (FL_FOR_ARCH8M_BASE): Define.
1650         (FL_FOR_ARCH8M_MAIN): Likewise.
1651         * config/arm/arm-tables.opt: Regenerate.
1652         * config/arm/bpabi.h: Add armv8-m.base, armv8-m.main and
1653         armv8-m.main+dsp to BE8_LINK_SPEC.
1654         * config/arm/arm.h (TARGET_HAVE_LDACQ): Exclude ARMv8-M.
1655         (enum base_architecture): Add BASE_ARCH_8M_BASE and BASE_ARCH_8M_MAIN.
1656         * config/arm/arm.c (arm_arch_name): Increase size to work with ARMv8-M
1657         Baseline and Mainline.
1658         (arm_option_override_internal): Also disable arm_restrict_it when
1659         !arm_arch_notm.  Update comment for -munaligned-access to also cover
1660         ARMv8-M Baseline.
1661         (arm_file_start): Increase buffer size for printing architecture name.
1662         * doc/invoke.texi: Document architectures armv8-m.base, armv8-m.main
1663         and armv8-m.main+dsp.
1664         (mno-unaligned-access): Clarify that this is disabled by default for
1665         ARMv8-M Baseline architectures as well.
1666
1667 2016-07-07  Thomas Preud'homme  <thomas.preudhomme@arm.com>
1668
1669         * config/arm/elf.h: Use __ARM_ARCH_ISA_THUMB and __ARM_ARCH_ISA_ARM to
1670         decide whether to prevent some libgcc routines being included for some
1671         multilibs rather than __ARM_ARCH_6M__ and add comment to indicate the
1672         link between this condition and the one in
1673         libgcc/config/arm/lib1func.S.
1674
1675 2016-07-07  Richard Biener  <rguenther@suse.de>
1676
1677         * tree-ssa-pre.c: Include alias.h.
1678         (compute_avail): If we have multiple VN_REFERENCEs with the
1679         same hashtable entry adjust that to make it a valid replacement
1680         for all of them with respect to alignment and aliasing
1681         when doing insertion.
1682         * tree-ssa-sccvn.h (vn_reference_operands_for_lookup): Declare.
1683         * tree-ssa-sccvn.c (vn_reference_operands_for_lookup): New function.
1684
1685 2016-07-06  Segher Boessenkool  <segher@kernel.crashing.org>
1686
1687         PR target/70098
1688         PR target/71763
1689         * config/rs6000/rs6000.md (*ctr<mode>_internal1, *ctr<mode>_internal2,
1690         *ctr<mode>_internal5, *ctr<mode>_internal6): Add *wi to the output
1691         constraint.
1692
1693 2016-07-06  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
1694
1695         * var-tracking.c (struct adjust_mem_data): Make side_effects a vector.
1696         (adjust_mems): Adjust.
1697         (adjust_insn): Likewise.
1698         (prepare_call_arguments): Likewise.
1699
1700 2016-07-06  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
1701
1702         * gcse.c (struct ls_expr): Make stores field a vector.
1703         (ldst_entry): Adjust.
1704         (free_ldst_entry): Likewise.
1705         (print_ldst_list): Likewise.
1706         (compute_ld_motion_mems): Likewise.
1707         (update_ld_motion_stores): Likewise.
1708
1709 2016-07-06  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
1710
1711         * gcse.c (struct ls_expr): Remove loads field.
1712         (ldst_entry): Adjust.
1713         (free_ldst_entry): Likewise.
1714         (print_ldst_list): Likewise.
1715         (compute_ld_motion_mems): Likewise.
1716
1717 2016-07-06  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
1718
1719         * store-motion.c (struct st_expr): Make antic_stores a vector.
1720         (st_expr_entry): Adjust.
1721         (free_st_expr_entry): Likewise.
1722         (print_store_motion_mems): Likewise.
1723         (find_moveable_store): Likewise.
1724         (compute_store_table): Likewise.
1725         (remove_reachable_equiv_notes): Likewise.
1726         (replace_store_insn): Likewise.
1727         (build_store_vectors): Likewise.
1728
1729 2016-07-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1730
1731         * config/arm/driver-arm.c (arm_cpu_table): Add entries for cortex-a32,
1732         cortex-a35, cortex-a53, cortex-a57, cortex-a72, cortex-a73.
1733
1734 2016-07-06  Yuri Rumyantsev  <ysrumyan@gmail.com>
1735
1736         PR tree-optimization/71518
1737         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Adjust
1738         misalign also for outer loops with negative step.
1739
1740 2016-07-06  Wilco Dijkstra  <wdijkstr@arm.com>
1741
1742         * config/arm/cortex-a53.md: Use final_presence_set for in-order.
1743         (cortex_a53_shift): Add mov_shift.
1744         (cortex_a53_shift_reg): Add new reservation for register shifts.
1745         (cortex_a53_alu): Remove bfm.
1746         (cortex_a53_alu_shift): Add bfm, remove mov_shift.
1747         (cortex_a53_alu_extr): Add new reservation for EXTR.
1748         (bypasses): Improve bypass modelling.
1749
1750 2016-07-06  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
1751
1752         PR target/50739
1753         * config/avr/avr.c (avr_asm_select_section): Strip off
1754         SECTION_DECLARED from flags when calling get_section.
1755
1756 2016-07-06  Richard Sandiford  <richard.sandiford@arm.com>
1757
1758         * tree-vectorizer.h (vect_memory_access_type): Add
1759         VMAT_INVARIANT, VMAT_CONTIGUOUS_DOWN and VMAT_CONTIGUOUS_REVERSED.
1760         * tree-vect-stmts.c (compare_step_with_zero): New function.
1761         (perm_mask_for_reverse): Move further up file.
1762         (get_group_load_store_type): Stick to VMAT_ELEMENTWISE if the
1763         step is negative.
1764         (get_negative_load_store_type): New function.
1765         (get_load_store_type): Call it.  Add an ncopies argument.
1766         (vectorizable_mask_load_store): Update call accordingly and
1767         remove tests for negative steps.
1768         (vectorizable_store, vectorizable_load): Likewise.  Handle new
1769         memory_access_types.
1770
1771 2016-07-06  Richard Sandiford  <richard.sandiford@arm.com>
1772
1773         * tree-vectorizer.h (vect_memory_access_type): New enum.
1774         (_stmt_vec_info): Add a memory_access_type field.
1775         (STMT_VINFO_MEMORY_ACCESS_TYPE): New macro.
1776         (vect_model_store_cost): Take an access type instead of a boolean.
1777         (vect_model_load_cost): Likewise.
1778         * tree-vect-slp.c (vect_analyze_slp_cost_1): Update calls to
1779         vect_model_store_cost and vect_model_load_cost.
1780         * tree-vect-stmts.c (vec_load_store_type): New enum.
1781         (vect_model_store_cost): Take an access type instead of a
1782         store_lanes_p boolean.  Simplify tests.
1783         (vect_model_load_cost): Likewise, but for load_lanes_p.
1784         (get_group_load_store_type, get_load_store_type): New functions.
1785         (vectorizable_store): Use get_load_store_type.  Record the access
1786         type in STMT_VINFO_MEMORY_ACCESS_TYPE.
1787         (vectorizable_load): Likewise.
1788         (vectorizable_mask_load_store): Likewise.  Replace is_store
1789         variable with vls_type.
1790
1791 2016-07-06  Richard Sandiford  <richard.sandiford@arm.com>
1792
1793         * tree-vectorizer.h (vect_grouped_load_supported): Add a
1794         single_element_p parameter.
1795         * tree-vect-data-refs.c (vect_grouped_load_supported): Likewise.
1796         Check the PR65518 case here rather than in vectorizable_load.
1797         * tree-vect-loop.c (vect_analyze_loop_2): Update call accordignly.
1798         * tree-vect-stmts.c (vectorizable_load): Likewise.
1799
1800 2016-07-06  Richard Sandiford  <richard.sandiford@arm.com>
1801
1802         * tree-vectorizer.h (gather_scatter_info): New structure.
1803         (vect_check_gather_scatter): Return a bool rather than a decl.
1804         Replace return-by-pointer arguments with a single
1805         gather_scatter_info *.
1806         * tree-vect-data-refs.c (vect_check_gather_scatter): Likewise.
1807         (vect_analyze_data_refs): Update call accordingly.
1808         * tree-vect-stmts.c (vect_mark_stmts_to_be_vectorized): Likewise.
1809         (vectorizable_mask_load_store): Likewise.  Also record the
1810         offset dt and vectype in the gather_scatter_info.
1811         (vectorizable_store): Likewise.
1812         (vectorizable_load): Likewise.
1813
1814 2016-07-06  Richard Sandiford  <richard.sandiford@arm.com>
1815
1816         * tree-vect-stmts.c (vect_model_store_cost): For non-SLP
1817         strided groups, use the cost of N scalar accesses instead
1818         of ncopies vector accesses.
1819         (vect_model_load_cost): Likewise.
1820
1821 2016-07-06  Richard Sandiford  <richard.sandiford@arm.com>
1822
1823         * tree-vect-stmts.c (vect_cost_group_size): Delete.
1824         (vect_model_store_cost): Avoid calling it.  Use first_stmt_p
1825         variable to indicate when once-per-group costs are being used.
1826         (vect_model_load_cost): Likewise.  Fix comment and misindented code.
1827
1828 2016-07-06  Richard Sandiford  <richard.sandiford@arm.com>
1829
1830         * tree-vect-stmts.c (vectorizable_load): Remove unnecessary
1831         peeling-for-gaps condition.
1832
1833 2016-07-06  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1834
1835         * config/s390/s390.c (s390_expand_vec_init): Force initializer
1836         element to register if it doesn't match general_operand.
1837
1838 2016-07-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
1839             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1840
1841         * config/rs6000/rs6000-protos.h (rs6000_split_signbit): New
1842         prototype.
1843         * config/rs6000/rs6000.c (rs6000_split_signbit): New function.
1844         * config/rs6000/rs6000.md (UNSPEC_SIGNBIT): New constant.
1845         (SIGNBIT): New mode iterator.
1846         (Fsignbit): New mode attribute.
1847         (signbit<mode>2): Change operand1 to match FLOAT128 instead of
1848         IBM128; dispatch to gen_signbit{kf,tf}2_dm for __float128
1849         when direct moves are available.
1850         (signbit<mode>2_dm): New define_insn_and_split).
1851         (signbit<mode>2_dm2): New define_insn.
1852
1853 2016-07-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1854
1855         PR rtl-optimization/71594
1856         * ifcvt.c (noce_convert_multiple_sets): Wrap new_val or old_val
1857         into subregs of appropriate mode before trying to emit a conditional
1858         move.
1859
1860 2016-07-05  Jan Hubicka  <jh@suse.cz>
1861
1862         * tree-scalar-evolution.c (iv_can_overflow_p): New function.
1863         (simple_iv): Use it.
1864
1865 2016-07-05  Jan Hubicka  <jh@suse.cz>
1866
1867         * tree-ssa-loop-niter.c (nowrap_type_p): Use ANY_INTEGRAL_TYPE_P.
1868
1869 2016-07-05  Jiong Wang  <jiong.wang@arm.com>
1870
1871         * lra-constraints.c (process_alt_operands): Don't add spilling cost for
1872         "offmemok".
1873
1874 2016-07-05  Jan Hubicka  <jh@suse.cz>
1875
1876         * tree-scalar-evoluiton.c (simple_iv): Use nowrap_type to check if
1877         IV can overflow.
1878
1879 2016-07-05  Richard Biener  <rguenther@suse.de>
1880
1881         * gimple-ssa-split-paths.c (find_block_to_duplicate_for_splitting_pa):
1882         Handle empty else block.
1883         (is_feasible_trace): Likewise.
1884         (split_paths): Likewise.
1885
1886 2016-07-05  Richard Biener  <rguenther@suse.de>
1887
1888         * tree-loop-distribution.c (distribute_loop): Fix issue with
1889         the cost model loop.
1890
1891 2016-07-05  Christophe Lyon  <christophe.lyon@linaro.org>
1892
1893         * config/arm/neon-testgen.ml: Delete.
1894         * config/arm/neon.ml: Delete.
1895
1896 2016-07-04  Jakub Jelinek  <jakub@redhat.com>
1897
1898         PR c++/71739
1899         * tree.c (attribute_value_equal): Use get_attribute_name instead of
1900         directly using TREE_PURPOSE.
1901
1902 2016-07-04  Jiong Wang  <jiong.wang@arm.com>
1903
1904         * config/aarch64/aarch64.h: Rename "ARMv8.1" to "ARMv8.1-A".
1905         * config/aarch64/aarch64_neon.h: Likewise.
1906         * config/aarch64/arm_neon.h: Likewise.
1907         * config/aarch64/atomics.md: Likewise.
1908         * config/aarch64/aarch64-simd-builtins.def: Likewise.
1909         * doc/invoke.texi: Likewise.
1910
1911 2016-07-04  Dominik Vogt  <vogt@linux.vnet.ibm.com>
1912
1913         * config/s390/s390.md: Add "z13" cpu_facility.
1914         ("*mov<mode>cc"): Add support for z13 instructions lochi and locghi.
1915         * config/s390/predicates.md ("loc_operand"): New predicate for "load on
1916         condition" type instructions.
1917
1918 2016-07-04  Dominik Vogt  <vogt@linux.vnet.ibm.com>
1919             Jeff Law  <law@redhat.com>
1920
1921         * explow.c (allocate_dynamic_stack_space): Simplify knowing that
1922         MUST_ALIGN was always true and extra_align ist always BITS_PER_UNIT.
1923
1924 2016-07-04  Yuri Rumyantsev  <ysrumyan@gmail.com>
1925
1926         * config/i386/i386.c (ix86_expand_vec_perm): Add handle one-operand
1927         permutation for TARGET_AVX512F.
1928         (ix86_expand_vec_one_operand_perm_avx512): New function.
1929         (expand_vec_perm_1): Invoke introduced function.
1930         * tree-vect-loop.c (vect_transform_loop): Clear-up safelen value since
1931         it may be not valid after vectorization.
1932
1933 2016-07-04  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1934
1935         PR target/63874
1936         * config/aarch64/aarch64.c (aarch64_classify_symbol): Fix
1937         typo in comment.  Only force to memory if it is a weak
1938         external reference.
1939
1940 2016-07-04  Matthew Wahab  <matthew.wahab@arm.com>
1941             Jiong Wang  <jiong.wang@arm.com>
1942
1943         * config/aarch64/aarch64-arches.def: Add "armv8.2-a".
1944         * config/aarch64/aarch64.h (AARCH64_FL_V8_2): New.
1945         (AARCH64_FL_F16): New.
1946         (AARCH64_FL_FOR_ARCH8_2): New.
1947         (AARCH64_ISA_8_2): New.
1948         (AARCH64_ISA_F16): New.
1949         (TARGET_FP_F16INST): New.
1950         (TARGET_SIMD_F16INST): New.
1951         * config/aarch64/aarch64-option-extensions.def ("fp16"): New entry.
1952         ("fp"): Disabling "fp" also disables "fp16".
1953         * config/aarch64/aarch64-c.c (arch64_update_cpp_builtins):
1954         Conditionally define __ARM_FEATURE_FP16_SCALAR_ARITHMETIC
1955         and __ARM_FEATURE_FP16_VECTOR_ARITHMETIC.
1956         * doc/invoke.texi (AArch64 Options): Document "armv8.2-a" and "fp16".
1957
1958 2016-07-04  Jan Beulich  <jbeulich@suse.com>
1959
1960         * gcc.c (default_compilers["@c-header"]): Conditionalize "-o".
1961
1962 2016-07-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
1963
1964         PR target/71720
1965         * config/rs6000/vsx.md (vsx_splat_v4sf_internal): When splitting
1966         the insns, use an insn form that does not adjust the offset on
1967         little endian systems.
1968
1969 2016-07-01  Jan Beulich  <jbeulich@suse.com>
1970
1971         * varasm.c (get_variable_section): Validate initializer in
1972         named .bss-like sections.
1973
1974 2016-07-01  Kelvin Nilsen  <kelvin@gcc.gnu.org>
1975
1976         * config/rs6000/altivec.md (*altivec_vpermr_<mode>_internal):
1977         Exchange the order of the second and third operands in the vpermr
1978         instruction tmeplate.
1979
1980 2016-07-01  Peter Bergner  <bergner@vnet.ibm.com>
1981
1982         PR target/71698
1983         * config/rs6000/rs6000.c (rs6000_secondary_reload_simple_move):
1984         Disallow TDmode values.
1985
1986 2016-07-01  Alan Modra  <amodra@gmail.com>
1987
1988         PR rtl-optimization/71709
1989         * ira-lives.c (find_call_crossed_cheap_reg): Exit loop on arg reg
1990         being set, not referenced.
1991
1992 2016-07-01  Yuri Rumyantsev  <ysrumyan@gmail.com>
1993
1994         PR tree-optimization/70729
1995         * tree-vectorizer.c (adjust_simduid_builtins): Nullify safelen field
1996         of loop since it can be not valid after transformation.
1997
1998 2016-07-01  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1999
2000         * config/arm/arm.c (thumb_reload_in_hi): Delete.
2001         * config/arm/arm-protos.h (thumb_reload_in_hi): Delete prototype.
2002
2003 2016-07-01  Eric Botcazou  <ebotcazou@adacore.com>
2004
2005         * config/arm/arm.c (arm_function_ok_for_sibcall): Add another check
2006         for NULL decl.
2007
2008 2016-06-30  Michael Meissner  <meissner@linux.vnet.ibm.com>
2009
2010         PR target/71677
2011         * config/rs6000/constraints.md (wY constraint): New constraint to
2012         match the requirements for the LXSD and STXSD instructions.
2013         * config/rs6000/predicates.md (offsettable_mem_14bit_operand): New
2014         predicate to match the requirements for the LXSD and STXSD
2015         instructions.
2016         * config/rs6000/rs6000.md (mov<mode>_hardfloat32, FMOVE64 case):
2017         Use constaint wY for LXSD/STXSD instructions instead of 'o' or 'Y'
2018         to make sure that the bottom 2 bits of offset are 0, the address
2019         form is offsettable, and no updating is done in the address mode.
2020         (mov<mode>_hardfloat64, FMOVE64 case): Likewise.
2021         (movdi_internal32): Likewise
2022         (movdi_internal64): Likewise.
2023
2024 2016-06-30  Jakub Jelinek  <jakub@redhat.com>
2025
2026         PR tree-optimization/71707
2027         * tree-ssa-strlen.c (get_stridx_plus_constant): Handle already present
2028         strinfo even for ADDR_EXPR ptr.
2029
2030 2016-06-30  Kelvin Nilsen  <kelvin@gcc.gnu.org>
2031
2032         * config/rs6000/altivec.md (darn_32): Change the condition to
2033         TARGET_P9_MISC instead of TARGET_MODULO.
2034         (darn_raw): Replace TARGET_MODULO with TARGET_P9_MISC in the
2035         condition expression.
2036         (darn): Replace TARGET_MODULO with TARGET_P9_MISC in the
2037         condition expression.
2038         * config/rs6000/dfp.md (UNSPEC_DTSTSFI): New unspec constant.
2039         (DFP_TEST): New code iterator.
2040         (dfptstsfi_<code>_mode>): New define_expand.
2041         (*dfp_sgnfcnc_<mode>): New define_insn.
2042         * config/rs6000/rs6000-builtin.def (BU_P9_MISC_0): Move this macro
2043         definition next to BU_P9_MISC_1 definition and change the MASK
2044         value to RS6000_BTM_P9_MISC.
2045         (BU_P9_MISC_1): Change the MASK value to RS6000_BTM_P9_MISC.
2046         (BU_P9_64BIT_MISC_0): Likewise.
2047         (BU_P9_DFP_MISC_0): New macro definition.
2048         (BU_P9_DFP_MISC_1): New macro definition.
2049         (BU_P9_DFP_MISC_2): New macro definition.
2050         (BU_P9_DFP_OVERLOAD_1): New macro definition.
2051         (BU_P9_DFP_OVERLOAD_2): New macro definition.
2052         (BU_P9_DFP_OVERLOAD_3): New macro definition.
2053         (TSTSFI_LT_DD): New BU_P9_DFP_MISC_2.
2054         (TSTSFI_LT_TD): Likewise.
2055         (TSTSFI_EQ_DD): Likewise.
2056         (TSTSFI_EQ_TD): Likewise.
2057         (TSTSFI_GT_DD): Likewise.
2058         (TSTSFI_GT_TD): Likewise.
2059         (TSTSFI_OV_DD): Likewise.
2060         (TSTSFI_OV_TD): Likewise.
2061         (TSTSFI_LT): New BU_P9_DFP_OVERLOAD_2.
2062         (TSTSFI_LT_DD): Likewise.
2063         (TSTSFI_LT_TD): Likewise.
2064         (TSTSFI_EQ): Likewise.
2065         (TSTSFI_EQ_DD): Likewise.
2066         (TSTSFI_EQ_TD): Likewise.
2067         (TSTSFI_GT): Likewise.
2068         (TSTSFI_GT_DD): Likewise.
2069         (TSTSFI_GT_TD): Likewise.
2070         (TSTSFI_OV): Likewise.
2071         (TSTSFI_OV_DD): Likewise.
2072         (TSTSFI_OV_TD): Likewise.
2073         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
2074         overloaded test significance functions.
2075         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
2076         OPTION_MASK_P9_MISC into the representation of this mask.
2077         (POWERPC_MASKS): Add OPTION_MASK_P9_MISC into the representation
2078         of this mask.
2079         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Set the
2080         RS6000_BTM_P9_MISC flag in the return value if TARGET_P9_MISC is
2081         non-zero.
2082         (rs6000_expand_binop_builtin): Enforce that argument 0 of the exp
2083         argument is a 6-bit unsigned literal value if the icode argument
2084         represents a DFP test significance built-in call.
2085         (rs6000_invalid_builtin): Add support for the RS6000_BTM_P9_MISC
2086         flag used independently and in combination with the
2087         RS6000_BTM_64BIT flag.
2088         (rs6000_opt_masks): Add entry for power9-misc command-line option.
2089         (rs6000_builtin_mask_names): Add entry for power9-misc
2090         command-line option.
2091         * config/rs6000/rs6000.h: Redefine TARGET_P9_MISC as 0 if
2092         HAVE_AS_POWER9 is not a defined macro.  Define MASK_P9_MISC and
2093         RS6000_BTM_P9_MISC macros.
2094         * config/rs6000/rs6000.opt: Add support for the -mpower9-misc
2095         option and change the description of the -mpower9-vector option to
2096         enable only vector instructions, removing its erroneously claimed
2097         support for scalar instructions.
2098         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
2099         the ISA 3.0 digital floating point test significance built-in
2100         functions.
2101
2102 2016-06-30  Wilco Dijkstra  <wdijkstr@arm.com>
2103
2104         * config/aarch64/aarch64.c (cortexa35_tunings):
2105         Enable AES fusion.  Use cortexa57_branch_cost.
2106         (cortexa53_tunings): Use cortexa57_branch_cost.
2107         (cortexa72_tunings): Use cortexa57_branch_cost.
2108         Use AUTOPREFETCHER_WEAK.
2109         (cortexa73_tunings): Use cortexa57_branch_cost.
2110
2111 2016-06-30  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2112             James Greenhalgh  <james.greenhalgh@arm.com>
2113
2114         * config/aarch64/arm_neon.h (vcopyq_lane_f32, vcopyq_lane_f64,
2115         vcopyq_lane_p8, vcopyq_lane_p16, vcopyq_lane_s8, vcopyq_lane_s16,
2116         vcopyq_lane_s32, vcopyq_lane_s64, vcopyq_lane_u8, vcopyq_lane_u16,
2117         vcopyq_lane_u32, vcopyq_lane_u64): Reimplement in C.
2118         (vcopy_lane_f32, vcopy_lane_f64, vcopy_lane_p8, vcopy_lane_p16,
2119         vcopy_lane_s8, vcopy_lane_s16, vcopy_lane_s32, vcopy_lane_s64,
2120         vcopy_lane_u8, vcopy_lane_u16, vcopy_lane_u32, vcopy_lane_u64,
2121         vcopy_laneq_f32, vcopy_laneq_f64, vcopy_laneq_p8, vcopy_laneq_p16,
2122         vcopy_laneq_s8, vcopy_laneq_s16, vcopy_laneq_s32, vcopy_laneq_s64,
2123         vcopy_laneq_u8, vcopy_laneq_u16, vcopy_laneq_u32, vcopy_laneq_u64,
2124         vcopyq_laneq_f32, vcopyq_laneq_f64, vcopyq_laneq_p8, vcopyq_laneq_p16,
2125         vcopyq_laneq_s8, vcopyq_laneq_s16, vcopyq_laneq_s32, vcopyq_laneq_s64,
2126         vcopyq_laneq_u8, vcopyq_laneq_u16, vcopyq_laneq_u32, vcopyq_laneq_u64):
2127         New intrinsics.
2128
2129 2016-06-30  James Greenhalgh  <james.greenhalgh@arm.com>
2130             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2131
2132         * config/aarch64/aarch64-simd.md (*aarch64_simd_vec_copy_lane<mode>):
2133         New define_insn.
2134         (*aarch64_simd_vec_copy_lane_<vswap_width_name><mode>): Likewise.
2135
2136 2016-06-30  David Malcolm  <dmalcolm@redhat.com>
2137
2138         PR driver/71651
2139         * gcc.c (driver::build_option_suggestions): Pass "option" to
2140         add_misspelling_candidates.
2141         * opts-common.c (add_misspelling_candidates): Add "option" param;
2142         use it to avoid adding negated forms for options marked with
2143         RejectNegative.
2144         * opts.h (add_misspelling_candidates): Add "option" param.
2145
2146 2016-06-30  Jakub Jelinek  <jakub@redhat.com>
2147
2148         PR middle-end/71693
2149         * fold-const.c (fold_binary_loc) <case RROTATE_EXPR>: Cast
2150         TREE_OPERAND (arg0, 0) and TREE_OPERAND (arg0, 1) to type
2151         first when permuting bitwise operation with rotate.  Cast
2152         TREE_OPERAND (arg0, 0) to type when cancelling two rotations.
2153
2154 2016-06-29  David Malcolm  <dmalcolm@redhat.com>
2155
2156         * opts.c (handle_param): Use find_param_fuzzy to offer suggestions
2157         for misspelled param names.
2158         * params.c: Include spellcheck.h.
2159         (find_param_fuzzy): New function.
2160         * params.h (find_param_fuzzy): New prototype.
2161         * spellcheck.c (struct edit_distance_traits<const char *>): Move to...
2162         * spellcheck.h (struct edit_distance_traits<const char *>):
2163         ...here.
2164
2165 2016-06-29  Michael Meissner  <meissner@linux.vnet.ibm.com>
2166
2167         * config/rs6000/predicates.md (const_0_to_7_operand): New
2168         predicate, recognize 0..7.
2169         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Add
2170         support for doing extracts from V16QImode, V8HImode, V4SImode
2171         under ISA 3.0.
2172         * config/rs6000/vsx.md (VSX_EXTRACT_I): Mode iterator for ISA 3.0
2173         vector extract support.
2174         (VSX_EXTRACT_PREDICATE): Mode attribute to validate element number
2175         for ISA 3.0 vector extract.
2176         (VSX_EX): Constraints to use for ISA 3.0 vector extract.
2177         (vsx_extract_<mode>, VSX_EXTRACT_I): Add support for doing
2178         extracts of a constant element number from small integer vectors
2179         on 64-bit ISA 3.0 systems.
2180         (vsx_extract_<mode>_di): Likewise.
2181         * config/rs6000/rs6000.h (TARGET_VEXTRACTUB): New target macro to
2182         say when we can do ISA 3.0 vector extracts.
2183         * config/rs6000/rs6000.md (stfiwx): Allow DImode in Altivec
2184         registers, using the stxsiwx instruction.
2185
2186 2016-06-29  Jim Wilson  <jim.wilson@linaro.org>
2187
2188         * config/aarch64/aarch64-cores.def (qdf24xx): Use qdf24xx tuning.
2189         * config/aarch64/aarch64.c (qdf24xx_addrcost_table,
2190         qdf24xx_regmove_cost, qdf24xx_tunings): New.
2191         * config/arm/aarch64-cost-tables.h (qdf24xx_extra_costs): New.
2192         * config/arm/arm-cores.def (qdf24xx): Use qdf24xx tuning.
2193         * config/arm/arm.c (arm_qdf24xx_tune): New.
2194
2195 2016-06-29  Wilco Dijkstra  <wdijkstr@arm.com>
2196
2197         * config/aarch64/aarch64.c (cortexa53_tunings):
2198         Increase loop alignment to 8.  Set function alignment to 16.
2199         (cortexa35_tunings): Likewise.
2200         (cortexa57_tunings): Increase loop alignment to 8.
2201         (cortexa72_tunings): Likewise.
2202         (cortexa73_tunings): Likewise.
2203
2204 2016-06-29  Matthew Wahab  <matthew.wahab@arm.com>
2205
2206         * doc/sourcebuild.texi (Effective-Target keywords): Add entries
2207         for arm_fp16_ok and arm_fp16_hw.
2208         (Add Options): Add entries for arm_fp16, arm_fp16_ieee and
2209         arm_fp16_alternative.
2210
2211 2016-06-29  Ilya Enkovich  <ilya.enkovich@intel.com>
2212
2213         PR tree-optimization/71655
2214         * tree-vect-stmts.c (vectorizable_comparison): Swap definition
2215         types when swapping operands.
2216
2217 2016-06-29  Martin Liska  <mliska@suse.cz>
2218
2219         PR middle-end/71585
2220         * common.opt (flag_stack_protect): Mark the flag as optimization flag.
2221         * ipa-inline-transform.c (inline_call): Remove unnecessary call
2222         of build_optimization_node.
2223
2224 2016-06-29  Yuri Rumyantsev  <ysrumyan@gmail.com>
2225
2226         PR tree-optimization/70729
2227         * tree-ssa-loop-im.c (ref_indep_loop_p_1): Consider memory reference as
2228         independent in loops having positive safelen value.
2229         * tree-vect-loop.c (vect_transform_loop): Clear-up safelen value since
2230         it may be not valid after vectorization.
2231
2232 2016-06-29  Jakub Jelinek  <jakub@redhat.com>
2233
2234         PR tree-optimization/71625
2235         * tree-ssa-strlen.c (get_addr_stridx): Add PTR argument.  Assume list
2236         is sorted by ascending list->offset.  If PTR is non-NULL and there is
2237         previous strinfo, call get_stridx_plus_constant.
2238         (get_stridx): Pass exp as second argument to get_addr_stridx.
2239         (addr_stridxptr): Add missing list = list->next, so that there can be
2240         more than one entries in the list.  Bump limit from 16 to 32.  Ensure
2241         the list is sorted by ascending list->offset.
2242         (get_stridx_plus_constant): Adjust so that it can be also called with
2243         ADDR_EXPR instead of SSA_NAME as PTR.
2244         (handle_char_store): Pass NULL_TREE as second argument to
2245         get_addr_stridx.
2246
2247 2016-06-29  Richard Biener  <rguenther@suse.de>
2248
2249         PR rtl-optimization/68961
2250         * simplify-rtx.c (simplify_subreg): Handle VEC_CONCAT like CONCAT.
2251
2252 2016-06-29  Richard Biener  <rguenther@suse.de>
2253
2254         PR middle-end/71002
2255         * alias.c (component_uses_parent_alias_set_from): Handle
2256         type punning through union accesses by using the union alias set.
2257         * gimple.c (gimple_get_alias_set): Remove union type punning case.
2258
2259 2016-07-29  Richard Biener  <rguenther@suse.de>
2260
2261         * match.pd ((T)(T2)x -> (T)x): Remove restriction on final
2262         precision not matching mode precision.
2263
2264 2016-06-28  John David Anglin  <danglin@gcc.gnu.org>
2265
2266         * config/pa/pa.md (call_symref_64bit_post_reload): Don't call
2267         pa_output_arg_descriptor.
2268         (call_val_symref_64bit_post_reload): Likewise.
2269         (call_val_powf_64bit_post_reload): Likewise.
2270         (sibcall_internal_symref_64bit): Likewise.
2271         (sibcall_value_internal_symref_64bit): Likewise.
2272
2273 2016-06-28  Jakub Jelinek  <jakub@redhat.com>
2274
2275         PR middle-end/71626
2276         * config/i386/i386.c (ix86_expand_vector_move): For SUBREG of
2277         a constant, force its SUBREG_REG into memory or register instead
2278         of whole op1.
2279
2280 2016-06-28  Pitchumani Sivanupandi  <pitchumani.s@atmel.com>
2281
2282         PR target/58655
2283         * config/avr/avr.opt (-mfract-convert-truncate): Update description.
2284         * doc/invoke.texi (AVR Options): Document it.
2285
2286 2016-06-28  Walter Lee  <walt@tilera.com>
2287
2288         * config/tilegx/linux.h: Do not include arch/icache.h
2289         (CLEAR_INSN_CACHE): Provide inlined definition directly.
2290         * config/tilepro/linux.h: Do not include arch/icache.h
2291         (CLEAR_INSN_CACHE): Provide inlined definition directly.
2292
2293 2016-06-28  Wilco Dijkstra  <wdijkstr@arm.com>
2294
2295         * tree-ssa-math-opts.c (find_bswap_or_nop_1): Adjust bitnumbering
2296         for big-endian BIT_FIELD_REF.
2297
2298 2016-06-28  Pat Haugen  <pthaugen@us.ibm.com>
2299
2300         * config/rs6000/rs6000.md ('type' attribute): Add htmsimple/dfp types.
2301         ('size' attribute): Add '128'.
2302         Include power9.md.
2303         (*mov<mode>_hardfloat32, *mov<mode>_hardfloat64, *movdi_internal32,
2304         *movdi_internal64, *movdf_update1): Set size attribute to '64'.
2305         (add<mode>3, sub<mode>3, mul<mode>3, div<mode>3, sqrt<mode>2,
2306         copysign<mode>3, neg<mode>2_hw, abs<mode>2_hw, *nabs<mode>2_hw,
2307         *fma<mode>4_hw, *fms<mode>4_hw, *nfma<mode>4_hw, *nfms<mode>4_hw,
2308         extend<SFDF:mode><IEEE128:mode>2_hw, trunc<mode>df2_hw,
2309         *xscvqp<su>wz_<mode>, *xscvqp<su>dz_<mode>, *xscv<su>dqp_<mode>,
2310         *trunc<mode>df2_odd): Set size attribute to '128'.
2311         (*cmp<mode>_hw): Change type to veccmp and set size attribute to '128'.
2312         * config/rs6000/power6.md (power6-fp): Include dfp type.
2313         * config/rs6000/power7.md (power7-fp): Likewise.
2314         * config/rs6000/power8.md (power8-fp): Likewise.
2315         * config/rs6000/power9.md: New file.
2316         * config/rs6000/t-rs6000 (MD_INCLUDES): Add power9.md.
2317         * config/rs6000/htm.md (*tabort, *tabort<wd>c, *tabort<wd>ci,
2318         *trechkpt, *treclaim, *tsr, *ttest): Change type attribute to
2319         htmsimple.
2320         * config/rs6000/dfp.md (extendsddd2, truncddsd2, extendddtd2,
2321         trunctddd2, adddd3, addtd3, subdd3, subtd3, muldd3, multd3, divdd3,
2322         divtd3, *cmpdd_internal1, *cmptd_internal1, floatdidd2, floatditd2,
2323         ftruncdd2, fixdddi2, ftrunctd2, fixtddi2, dfp_ddedpd_<mode>,
2324         dfp_denbcd_<mode>, dfp_dxex_<mode>, dfp_diex_<mode>, dfp_dscli_<mode>,
2325         dfp_dscri_<mode>): Change type attribute to dfp.
2326         * config/rs6000/crypto.md (crypto_vshasigma<CR_char>): Change type
2327         attribute to vecsimple.
2328         * config/rs6000/rs6000.c (power9_cost): Update costs, cache size
2329         and prefetch streams.
2330         (rs6000_option_override_internal): Remove temporary code setting
2331         tuning to power8.  Don't set rs6000_sched_groups for power9.
2332         (last_scheduled_insn): Change to rtx_insn *.
2333         (divide_cnt, vec_load_pendulum): New variables.
2334         (rs6000_adjust_cost): Add Power9 to test for store->load separation.
2335         (rs6000_issue_rate): Set issue rate for Power9.
2336         (is_power9_pairable_vec_type): New.
2337         (power9_sched_reorder2): New.
2338         (rs6000_sched_reorder2): Call new function for Power9 specific
2339         reordering.
2340         (insn_must_be_first_in_group): Remove Power9.
2341         (insn_must_be_last_in_group): Likewise.
2342         (force_new_group): Likewise.
2343         (rs6000_sched_init): Fix initialization of last_scheduled_insn.
2344         Initialize divide_cnt/vec_load_pendulum.
2345         (_rs6000_sched_context, rs6000_init_sched_context,
2346         rs6000_set_sched_context): Handle context save/restore of new
2347         variables.
2348
2349 2016-06-28  Richard Biener  <rguenther@suse.de>
2350
2351         * tree-ssa-alias.c (nonoverlapping_component_refs_of_decl_p):
2352         Properly handle DECL_BIT_FIELD_REPRESENTATIVE occuring as
2353         COMPONENT_REF operand.
2354         (nonoverlapping_component_refs_p): Likewise.
2355         * stor-layout.c (start_bitfield_representative): Mark
2356         DECL_BIT_FIELD_REPRESENTATIVE as DECL_NONADDRESSABLE_P.
2357
2358 2016-06-28  Jakub Jelinek  <jakub@redhat.com>
2359
2360         * Makefile.in: Don't cat ../stage_current if it does not exist.
2361
2362         * doc/extend.texi (__builtin_add_overflow_p): Clarify behavior when
2363         last argument is a bit-field.
2364
2365         PR rtl-optimization/71673
2366         * internal-fn.c (expand_arith_overflow_result_store): Use
2367         OPTAB_LIB_WIDEN instead of OPTAB_DIRECT as last argument to
2368         expand_simple_binop.
2369
2370         PR middle-end/66867
2371         * builtins.c (expand_ifn_atomic_compare_exchange_into_call,
2372         expand_ifn_atomic_compare_exchange): New functions.
2373         * internal-fn.c (expand_ATOMIC_COMPARE_EXCHANGE): New function.
2374         * tree.h (build_call_expr_internal_loc): Rename to ...
2375         (build_call_expr_internal_loc_array): ... this.  Fix up type of
2376         last argument.
2377         * internal-fn.def (ATOMIC_COMPARE_EXCHANGE): New internal fn.
2378         * predict.c (expr_expected_value_1): Handle IMAGPART_EXPR of
2379         ATOMIC_COMPARE_EXCHANGE result.
2380         * builtins.h (expand_ifn_atomic_compare_exchange): New prototype.
2381         * gimple-fold.h (optimize_atomic_compare_exchange_p,
2382         fold_builtin_atomic_compare_exchange): New prototypes.
2383         * gimple-fold.c (optimize_atomic_compare_exchange_p,
2384         fold_builtin_atomic_compare_exchange): New functions..
2385         * tree-ssa.c (execute_update_addresses_taken): If
2386         optimize_atomic_compare_exchange_p, ignore &var in 2nd argument
2387         of call when finding addressable vars, and if such var becomes
2388         non-addressable, call fold_builtin_atomic_compare_exchange.
2389
2390 2016-06-27  Segher Boessenkool  <segher@kernel.crashing.org>
2391
2392         PR target/71670
2393         * config/rs6000/rs6000.md (ashdi3_extswsli_dot): Use
2394         gen_ashdi3_extswsli_dot2 instead of gen_ashdi3_extswsli_dot.
2395
2396 2016-06-27  Pat Haugen  <pthaugen@us.ibm.com>
2397
2398         * config/rs6000/rs6000.md ('type' attribute): Add
2399         veclogical,veccmpfx,vecexts,vecmove insn types.
2400         (*abs<mode>2_fpr, *nabs<mode>2_fpr, *neg<mode>2_fpr, *extendsfdf2_fpr,
2401         copysign<mode>3_fcpsgn, trunc<mode>df2_internal1, neg<mode>2_internal,
2402         p8_fmrgow_<mode>, pack<mode>): Change type to fpsimple.
2403         (*xxsel<mode>, copysign<mode>3_hard, neg<mode>2_hw, abs<mode>2_hw,
2404         *nabs<mode>2_hw): Change type to vecmove.
2405         (*and<mode>3_internal, *bool<mode>3_internal, *boolc<mode>3_internal,
2406         *boolcc<mode>3_internal, *eqv<mode>3_internal,
2407         *one_cmpl<mode>3_internal, *ieee_128bit_vsx_neg<mode>2_internal,
2408         *ieee_128bit_vsx_abs<mode>2_internal,
2409         *ieee_128bit_vsx_nabs<mode>2_internal, extendkftf2, trunctfkf2,
2410         *ieee128_mfvsrd_64bit, *ieee128_mfvsrd_32bit, *ieee128_mtvsrd_64bit,
2411         *ieee128_mtvsrd_32bit): Change type to veclogical.
2412         (mov<mode>_hardfloat, *mov<mode>_hardfloat32, *mov<mode>_hardfloat64,
2413         *movdi_internal32, *movdi_internal64): Update insn types.
2414         * config/rs6000/vsx.md (*vsx_le_undo_permute_<mode>,
2415         vsx_extract_<mode>): Change type to veclogical.
2416         (*vsx_xxsel<mode>, *vsx_xxsel<mode>_uns): Change type to vecmove.
2417         (vsx_sign_extend_qi_<mode>, *vsx_sign_extend_hi_<mode>,
2418         *vsx_sign_extend_si_v2di): Change type to vecexts.
2419         * config/rs6000/altivec.md (*altivec_mov<mode>, *altivec_movti): Change
2420         type to veclogical.
2421         (*altivec_eq<mode>, *altivec_gt<mode>, *altivec_gtu<mode>,
2422         *altivec_vcmpequ<VI_char>_p, *altivec_vcmpgts<VI_char>_p,
2423         *altivec_vcmpgtu<VI_char>_p): Change type to veccmpfx.
2424         (*altivec_vsel<mode>, *altivec_vsel<mode>_uns): Change type to vecmove.
2425         * config/rs6000/dfp.md (*negdd2_fpr, *absdd2_fpr, *nabsdd2_fpr,
2426         negtd2, *abstd2_fpr, *nabstd2_fpr): Change type to fpsimple.
2427         * config/rs6000/40x.md (ppc405-float): Add fpsimple.
2428         * config/rs6000/440.md (ppc440-fp): Add fpsimple.
2429         * config/rs6000/476.md (ppc476-fp): Add fpsimple.
2430         * config/rs6000/601.md (ppc601-fp): Add fpsimple.
2431         * config/rs6000/603.md (ppc603-fp): Add fpsimple.
2432         * config/rs6000/6xx.md (ppc604-fp): Add fpsimple.
2433         * config/rs6000/7xx.md (ppc750-fp): Add fpsimple.
2434         (ppc7400-vecsimple): Add veclogical, vecmove, veccmpfx.
2435         * config/rs6000/7450.md (ppc7450-fp): Add fpsimple.
2436         (ppc7450-vecsimple): Add veclogical, vecmove.
2437         (ppc7450-veccmp): Add veccmpfx.
2438         * config/rs6000/8540.md (ppc8540_simple_vector): Add veclogical,
2439         vecmove.
2440         (ppc8540_vector_compare): Add veccmpfx.
2441         * config/rs6000/a2.md (ppca2-fp): Add fpsimple.
2442         * config/rs6000/cell.md (cell-fp): Add fpsimple.
2443         (cell-vecsimple): Add veclogical, vecmove.
2444         (cell-veccmp): Add veccmpfx.
2445         * config/rs6000/e300c2c3.md (ppce300c3_fp): Add fpsimple.
2446         * config/rs6000/e6500.md (e6500_vecsimple): Add veclogical, vecmove,
2447         veccmpfx.
2448         * config/rs6000/mpc.md (mpccore-fp): Add fpsimple.
2449         * config/rs6000/power4.md (power4-fp): Add fpsimple.
2450         (power4-vecsimple): Add veclogical, vecmove.
2451         (power4-veccmp): Add veccmpfx.
2452         * config/rs6000/power5.md (power5-fp): Add fpsimple.
2453         * config/rs6000/power6.md (power6-fp): Add fpsimple.
2454         (power6-vecsimple): Add veclogical, vecmove.
2455         (power6-veccmp): Add veccmpfx.
2456         * config/rs6000/power7.md (power7-fp): Add fpsimple.
2457         (power7-vecsimple): Add veclogical, vecmove, veccmpfx.
2458         * config/rs6000/power8.md (power8-fp): Add fpsimple.
2459         (power8-vecsimple): Add veclogical, vecmove, veccmpfx.
2460         * config/rs6000/rs64.md (rs64a-fp): Add fpsimple.
2461         * config/rs6000/titan.md (titan_fp): Add fpsimple.
2462         * config/rs6000/xfpu.md (fp-default, fp-addsub-s, fp-addsub-d): Add
2463         fpsimple.
2464         * config/rs6000/rs6000.c (rs6000_adjust_cost): Add TYPE_FPSIMPLE.
2465
2466 2016-06-27  Peter Bergner  <bergner@vnet.ibm.com>
2467
2468         PR target/71656
2469         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
2470         OPTION_MASK_P9_DFORM_VECTOR.
2471         * config/rs6000/rs6000.c (rs6000_option_override_internal): Do not
2472         disable -mpower9-dform-vector when using reload.
2473         (quad_address_p): Remove 'gpr_p' argument and all associated code.
2474         New 'strict' argument.  Update all callers.  Add strict addressing
2475         support.
2476         (rs6000_legitimate_offset_address_p): Remove call to
2477         virtual_stack_registers_memory_p.
2478         (rs6000_legitimize_reload_address): Add quad address support.
2479         (rs6000_legitimate_address_p): Move call to quad_address_p above
2480         call to virtual_stack_registers_memory_p.  Adjust quad_address_p args
2481         to account for new strict usage.
2482         (rs6000_output_move_128bit): Adjust quad_address_p args to account
2483         for new strict usage.
2484         * config/rs6000/predicates.md (quad_memory_operand): Likewise.
2485
2486 2016-06-26  Uros Bizjak  <ubizjak@gmail.com>
2487
2488         PR target/70902
2489         PR target/71453
2490         PR target/71555
2491         PR target/71596
2492         PR target/71657
2493         * config/i386/i386.c (ix86_spill_class): Disable condition to
2494         always return NO_REGS.
2495
2496 2016-06-26  Jan Hubicka  <hubicka@ucw.cz>
2497
2498         * predict.c: Include gimple-pretty-print.h
2499         (predicted_by_loop_heuristics_p): Check also
2500         PRED_LOOP_EXIT_WITH_RECURSION
2501         (predict_loops): Find self recursive calls and use special purpose
2502         predictors for them; dump log about decisions.
2503         (pass_profile::execute): Dump info about #of iterations.
2504         * predict.def (PRED_LOOP_EXIT_WITH_RECURSION,
2505         (PRED_LOOP_GUARD_WITH_RECURSION): New predictors.
2506
2507 2016-06-26  John David Anglin  <danglin@gcc.gnu.org>
2508
2509         * config/pa/pa.c (pa_output_indirect_call): Rework to combine
2510         output_asm_insn calls and shorten long lines.  Output .CALL
2511         argument descriptor using pa_output_arg_descriptor.  Add various
2512         inline $$dyncall and other optimizations.
2513         (pa_attr_length_indirect_call): Adjust ordering and lengths.
2514
2515 2016-06-25  Jakub Jelinek  <jakub@redhat.com>
2516
2517         PR tree-optimization/71643
2518         * tree-ssa-tail-merge.c (find_clusters_1): Ignore basic blocks with
2519         EH preds.
2520
2521         * tree-ssa-tail-merge.c (deps_ok_for_redirect_from_bb_to_bb): Don't
2522         leak a bitmap if dep_bb is NULL.
2523
2524         PR tree-optimization/71631
2525         * tree-ssa-reassoc.c (reassociate_bb): Pass true as last argument
2526         to rewrite_expr_tree even if negate_result, move new_lhs var
2527         declaration and initialization earlier, for powi_result set afterwards
2528         new_lhs to lhs.  For negate_result, use new_lhs instead of tmp
2529         if new_lhs != lhs, and don't shadow gsi var.
2530
2531 2016-06-24  Jan Hubicka  <hubicka@ucw.cz>
2532
2533         * predict.c (predict_paths_leading_to, predict_paths_leading_to_edge):
2534         Add in_loop parameter.
2535         (predict_loops): Add loop guard heuristics.
2536         * predict.def (PRED_LOOP_GUARD): New heuristics.
2537
2538 2016-06-24  Jan Hubicka  <hubicka@ucw.cz>
2539
2540         * predict.c: Include ipa-utils.h
2541         (tree_bb_level_prediction): Predict recursive calls.
2542         (tree_estimate_probability_bb): Skip inexpensive calls for call
2543         predictor.
2544         * predict.def (PRED_RECURSIVE_CALL): New.
2545
2546 2016-06-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2547
2548         * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): New #define.
2549         (BU_FLOAT128_1): Likewise.
2550         (FABSQ): Likewise.
2551         (COPYSIGNQ): Likewise.
2552         (RS6000_BUILTIN_NANQ): Likewise.
2553         (RS6000_BUILTIN_NANSQ): Likewise.
2554         (RS6000_BUILTIN_INFQ): Likewise.
2555         (RS6000_BUILTIN_HUGE_VALQ): Likewise.
2556         * config/rs6000/rs6000.c (rs6000_fold_builtin): New prototype.
2557         (TARGET_FOLD_BUILTIN): New #define.
2558         (rs6000_builtin_mask_calculate): Add TARGET_FLOAT128 entry.
2559         (rs6000_invalid_builtin): Add handling for RS6000_BTM_FLOAT128.
2560         (rs6000_fold_builtin): New target hook implementation, handling
2561         folding of 128-bit NaNs and infinities.
2562         (rs6000_init_builtins): Initialize const_str_type_node; ensure all
2563         entries are filled in to avoid problems during bootstrap
2564         self-test; define builtins for 128-bit NaNs and infinities.
2565         (rs6000_opt_mask): Add entry for float128.
2566         * config/rs6000/rs6000.h (RS6000_BTM_FLOAT128): New #define.
2567         (RS6000_BTM_COMMON): Include RS6000_BTM_FLOAT128.
2568         (rs6000_builtin_type_index): Add RS6000_BTI_const_str.
2569         (const_str_type_node): New #define.
2570         * config/rs6000/rs6000.md (copysign<mode>3 for IEEE128): Convert
2571         to a define_expand that dispatches to either copysign<mode>3_soft
2572         or copysign<mode>3_hard.
2573         (copysign<mode>3_hard): Rename from copysign<mode>3.
2574         (copysign<mode>3_soft): New define_insn.
2575         * doc/extend.texi: Document new builtins.
2576
2577 2016-06-24  Jakub Jelinek  <jakub@redhat.com>
2578
2579         * cfgloop.c (flow_loop_dump): Cast nit to uint64_t and print it using
2580         PRIu64 instead of lu.
2581
2582 2016-06-24  Eric Botcazou  <ebotcazou@adacore.com>
2583
2584         PR debug/71642
2585         * tree-inline.c (remap_decl): When fixing up DECL_ORIGINAL_TYPE, just
2586         copy the type name.
2587
2588 2016-06-24  Jakub Jelinek  <jakub@redhat.com>
2589
2590         PR tree-optimization/71647
2591         * omp-low.c (lower_rec_input_clauses): Convert
2592         omp_clause_aligned_alignment (c) to size_type_node for the
2593         last argument of __builtin_assume_aligned.
2594
2595 2016-06-24  H.J. Lu  <hongjiu.lu@intel.com>
2596
2597         * configure.ac (calling ___tls_get_addr via GOT): New
2598         assembler/linker check.
2599         (HAVE_AS_IX86_TLS_GET_ADDR_GOT): New.  Defined to 1 if 32-bit
2600         assembler and linker supports calling ___tls_get_addr via GOT.
2601         Otherise, defined to 0.
2602         * config.in: Regenerated.
2603         * configure: Likewise.
2604         * config/i386/constraints.md (Yb): New constraint.
2605         * config/i386/i386.h (reg_class): Add TLS_GOTBASE_REGS.
2606         (REG_CLASS_NAMES): Likewise.
2607         (REG_CLASS_CONTENTS): Likewise.
2608         * config/i386/i386.md (*tls_global_dynamic_32_gnu): Replace
2609         the b constraint with the Yb constraint.  Call ___tls_get_addr
2610         via GOT for GNU TLS with -fno-plt if HAVE_AS_IX86_TLS_GET_ADDR_GOT
2611         is 1.
2612         (*tls_local_dynamic_base_32_gnu): Likewise.
2613         (*tls_global_dynamic_64_<mode>): Call _tls_get_addr via GOT for
2614         GNU TLS with -fno-plt if HAVE_AS_IX86_TLS_GET_ADDR_GOT is 1.
2615         (*tls_local_dynamic_base_64_<mode>): Likewise.
2616
2617 2016-06-24  Martin Liska  <mliska@suse.cz>
2618
2619         * cfgloop.c (flow_loop_dump): Dump average number of loop iterations.
2620         * cfgloop.h: Change 'struct loop' to 'const struct loop' for a
2621         few functions.
2622         * cfgloopanal.c (expected_loop_iterations_unbounded): Set a new
2623         argument to true if the expected number of iterations is
2624         loop-based.
2625
2626 2016-06-24  Uros Bizjak  <ubizjak@gmail.com>
2627
2628         * configure.ac (HAVE_AS_GOTOF_IN_DATA): Use $as_ix86_gas_32_opt to
2629         assemble for 32bit target.
2630         (HAVE_AS_IX86_TLSGDPLT): Use $as_ix86_gas_32_opt to assemble
2631         and $ld_ix86_gld_32_opt to link for 32bit target.
2632         (HAVE_AS_IX86_TLSLDMPLT): Ditto.
2633         * configure: Regenerate.
2634
2635 2016-06-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2636
2637         * config/arm/arm.c (int_log2): Delete definition and prototype.
2638         (shift_op): Use exact_log2 instead of int_log2.
2639         (vfp3_const_double_for_fract_bits): Likewise.
2640
2641 2016-06-24  Jakub Jelinek  <jakub@redhat.com>
2642
2643         * internal-fn.c (expand_arith_set_overflow): New function.
2644         (expand_addsub_overflow, expand_neg_overflow, expand_mul_overflow):
2645         Use it.
2646         (expand_arith_overflow_result_store): Likewise.  Handle precision
2647         smaller than mode precision.
2648         * tree-vrp.c (extract_range_basic): For imag part, handle
2649         properly signed 1-bit precision result.
2650         * doc/extend.texi (__builtin_add_overflow): Document that last
2651         argument can't be pointer to enumerated or boolean type.
2652         (__builtin_add_overflow_p): Document that last argument can't
2653         have enumerated or boolean type.
2654
2655 2016-06-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
2656             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2657
2658         * config/rs6000/predicates.md (splat_input_operand): Rework.
2659         Don't allow constants, since the insns that use this predicate
2660         don't support constants.  Constants are handled by other insns
2661         that are created via combine.  During and after register
2662         allocation, only allow indexed or indirect addresses, and not
2663         general addresses.  Only allow modes supported by the hardware.
2664         * config/rs6000/rs6000.c (xxsplitb_constant_p): Update usage
2665         comment.  Move check for using VSPLTIS<x> to a common location,
2666         instead of doing it in two different places.
2667
2668 2016-06-23  Jocelyn Mayer  <l_indien@magic.fr>
2669
2670         * config/i386/driver-i386.c (host_detect_local_cpu): Set
2671         PROCESSOR_PENTIUMPRO for signature_CENTAUR_ebx family >= 9.
2672         <case PROCESSOR_PENTIMUMPRO>: Pass c7 or nehemiah for
2673         signature_CENTAUR_ebx.
2674
2675 2016-06-23  H.J. Lu  <hongjiu.lu@intel.com>
2676
2677         PR target/66232
2678         PR target/67400
2679         * configure.ac (as_ix86_tls_ldm_opt): Renamed to ...
2680         (as_ix86_gas_32_opt): This.
2681         (ld_ix86_tls_ldm_opt): Renamed to ...
2682         (ld_ix86_gld_32_opt): This.
2683         (R_386_TLS_LDM reloc): Updated.
2684         (R_386_GOT32X reloc): New assembler/linker check.
2685         (HAVE_AS_IX86_GOT32X): New.  Defined to 1 if 32-bit assembler and
2686         linker support "jmp *_start@GOT" and "cmpl $0, bar@GOT".  Otherise,
2687         defined to 0.
2688         * config.in: Regenerated.
2689         * configure: Likewise.
2690         * config/i386/i386.c (ix86_force_load_from_GOT_p): Return
2691         true if HAVE_AS_IX86_GOT32X is 1 in 32-bit mode.
2692         (ix86_legitimate_address_p): Allow UNSPEC_GOT for -fno-plt
2693         if ix86_force_load_from_GOT_p returns true.
2694         (ix86_print_operand_address_as): Also support UNSPEC_GOT if
2695         ix86_force_load_from_GOT_p returns true.
2696         (ix86_expand_move): Generate UNSPEC_GOT in 32-bit mode to load
2697         the external function address via the GOT slot.
2698         (ix86_nopic_noplt_attribute_p): Check both TARGET_64BIT and
2699         HAVE_AS_IX86_GOT32X before returning false.
2700         (ix86_output_call_insn): Generate "%!jmp/call\t*%p0@GOT" in
2701         32-bit mode if ix86_nopic_noplt_attribute_p returns true.
2702
2703 2016-06-23  Eric Botcazou  <ebotcazou@adacore.com>
2704
2705         * tree-inline.c (remap_decl): Preserve DECL_ORIGINAL_TYPE invariant.
2706
2707 2016-06-23  Andi Kleen  <ak@linux.intel.com>
2708
2709         * Makefile.in: Regenerate.
2710         * doc/install.texi: Document autoprofiledbootstrap.
2711
2712 2016-06-23  Andi Kleen  <ak@linux.intel.com>
2713
2714         * config/i386/gcc-auto-profile: New file.
2715
2716 2016-06-23  Martin Liska  <mliska@suse.cz>
2717
2718         PR middle-end/71619
2719         * predict.c (predict_loops): Revert the hunk that was removed
2720         in r237103.
2721
2722 2016-06-23  Jakub Sejdak  <jakub.sejdak@phoesys.com>
2723
2724         * config.gcc: Add support for arm*-*-phoenix* targets.
2725         * config/arm/t-phoenix: New.
2726         * config/phoenix.h: New.
2727
2728 2016-06-23  Uros Bizjak  <ubizjak@gmail.com>
2729             H.J. Lu  <hongjiu.lu@intel.com>
2730
2731         PR target/67400
2732         * config/i386/i386-protos.h (ix86_force_load_from_GOT_p): New.
2733         * config/i386/i386.c (ix86_force_load_from_GOT_p): New function.
2734         (ix86_legitimate_constant_p): Do not allow UNSPEC_GOTPCREL if
2735         ix86_force_load_from_GOT_p returns true.
2736         (ix86_legitimate_address_p): Allow UNSPEC_GOTPCREL if
2737         ix86_force_load_from_GOT_p returns true.
2738         (ix86_print_operand_address_as): Support UNSPEC_GOTPCREL if
2739         ix86_force_load_from_GOT_p returns true.
2740         (ix86_expand_move): Load the external function address via the
2741         GOT slot if ix86_force_load_from_GOT_p returns true.
2742         * config/i386/predicates.md (x86_64_immediate_operand): Return
2743         false for SYMBOL_REFs where ix86_force_load_from_GOT_p returns true.
2744         (x86_64_zext_immediate_operand): Ditto.
2745
2746 2016-06-22  Uros Bizjak  <ubizjak@gmail.com>
2747
2748         * config/i386/i386.c (ix86_expand_move): Simplify SYMBOL_REF handling.
2749
2750 2016-06-22  David Malcolm  <dmalcolm@redhat.com>
2751
2752         PR c/70339
2753         * diagnostic-core.h (pedwarn_at_rich_loc): New prototype.
2754         * diagnostic.c (pedwarn_at_rich_loc): New function.
2755         * spellcheck.h (best_match::best_match): Add a
2756         "best_distance_so_far" optional parameter.
2757         (best_match::set_best_so_far): New method.
2758         (best_match::get_best_distance): New accessor.
2759         (best_match::get_best_candidate_length): New accessor.
2760
2761 2016-06-22  Nick Clifton  <nickc@redhat.com>
2762
2763         * dwarf2out.c (scompare_loc_descriptor): Use SCALAR_INT_MODE_P() in
2764         place of GET_MODE_CLASS() == MODE_INT, so that partial integer
2765         modes are accepted as well.
2766         (ucompare_loc_descriptor): Likewise.
2767         (minmax_loc_descriptor): Likewise.
2768         (clz_loc_descriptor): Likewise.
2769         (popcount_loc_descriptor): Likewise.
2770         (bswap_loc_descriptor): Likewise.
2771         (rotate_loc_descriptor): Likewise.
2772         (mem_loc_descriptor): Likewise.
2773         (loc_descriptor): Likewise.
2774
2775 2016-06-22  David Malcolm  <dmalcolm@redhat.com>
2776
2777         * common.opt (fdiagnostics-parseable-fixits): New option.
2778         * diagnostic.c: Include "selftest.h".
2779         (print_escaped_string): New function.
2780         (print_parseable_fixits): New function.
2781         (diagnostic_report_diagnostic): Call print_parseable_fixits.
2782         (selftest::assert_print_escaped_string): New function.
2783         (ASSERT_PRINT_ESCAPED_STRING_STREQ): New macro.
2784         (selftest::test_print_escaped_string): New function.
2785         (selftest::test_print_parseable_fixits_none): New function.
2786         (selftest::test_print_parseable_fixits_insert): New function.
2787         (selftest::test_print_parseable_fixits_remove): New function.
2788         (selftest::test_print_parseable_fixits_replace): New function.
2789         (selftest::diagnostic_c_tests): New function.
2790         * diagnostic.h (struct diagnostic_context): Add field
2791         "parseable_fixits_p".
2792         * doc/invoke.texi (Diagnostic Message Formatting Options): Add
2793         -fdiagnostics-parseable-fixits.
2794         (-fdiagnostics-parseable-fixits): New option.
2795         * opts.c (common_handle_option): Handle
2796         -fdiagnostics-parseable-fixits.
2797         * selftest-run-tests.c (selftest::run_tests): Call
2798         selftest::diagnostic_c_tests.
2799         * selftest.h (selftest::diagnostic_c_tests): New prototype.
2800
2801 2016-06-22  Ilya Enkovich  <ilya.enkovich@intel.com>
2802
2803         PR tree-optimization/71488
2804         * tree-vect-patterns.c (vect_recog_mask_conversion_pattern): Support
2805         comparison of boolean vectors.
2806         * tree-vect-stmts.c (vectorizable_comparison): Vectorize comparison
2807         of boolean vectors using bitwise operations.
2808
2809 2016-06-22  Andreas Schwab  <schwab@suse.de>
2810
2811         * config/aarch64/aarch64-protos.h (aarch64_elf_asm_named_section):
2812         Remove declaration.
2813
2814 2016-06-22  Eric Botcazou  <ebotcazou@adacore.com>
2815
2816         * function.c (assign_parm_setup_reg): Prevent sharing in another case.
2817
2818 2016-06-22  Bernd Edlinger  <bernd.edlinger@hotmail.de>
2819
2820         * config/i386/i386.c (print_reg): Emit an error message on attempt to
2821         print FLAGS_REG.
2822
2823 2016-06-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2824
2825         * config/arm/arm.c (arm_cortex_a73_tune): New struct.
2826         * config/arm/arm-cores.def (cortex-a73): New entry.
2827         (cortex-a73.cortex-a35): Likewise.
2828         (cortex-a73.cortex-a53): Likewise.
2829         * config/arm/arm-tables.opt: Regenerate.
2830         * config/arm/arm-tune.md: Likewise.
2831         * config/arm/bpabi.h (BE8_LINK_SPEC): Handle mcpu=cortex-a73,
2832         mcpu=cortex-a73.cortex-a35 and mcpu=cortex-a73.cortex-a53.
2833         * config/arm/t-aprofile: Handle mcpu=cortex-a73,
2834         mcpu=cortex-a73.cortex-a35 and mcpu=cortex-a73.cortex-a53.
2835         * doc/invoke.texi (ARM Options): Document cortex-a73,
2836         cortex-a73.cortex-a35 and cortex-a73.cortex-a53.
2837
2838 2016-06-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2839
2840         * config/aarch64/aarch64.c (cortexa73_tunings): New struct.
2841         * config/aarch64/aarch64-cores.def (cortex-a73): New entry.
2842         (cortex-a73.cortex-a35): Likewise.
2843         (cortex-a73.cortex-a53): Likewise.
2844         * config/aarch64/aarch64-tune.md: Regenerate.
2845         * doc/invoke.texi (AArch64 Options): Document cortex-a73,
2846         cortex-a73.cortex-a35 and cortex-a73.cortex-a53 arguments to
2847         -mcpu and -mtune.
2848
2849 2016-06-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2850
2851         * configure.ac (gcc_cv_as_compress_debug): Remove
2852         --compress-debug-sections as extra as switch.
2853         Handle gas --compress-debug-sections=type.
2854         (gcc_cv_ld_compess_debug): Remove bogus ld_date check.
2855         Handle gld --compress-debug-sections=type.
2856         * configure: Regenerate.
2857
2858 2016-06-21  Andrew Burgess  <andrew.burgess@embecosm.com>
2859
2860         * bb-reorder.c (pass_partition_blocks::gate): Update comment.
2861
2862 2016-06-21  John David Anglin  <danglin@gcc.gnu.org>
2863
2864         * gcov-tool.c (profile_rewrite): Use int64_t instead of long long.
2865         (do_rewrite): likewise.
2866
2867 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
2868
2869         * common/config/mep/mep-common.c: Remove.
2870         * config.gcc: Remove mep-* support.
2871         * config/mep/constraints.md: Remove.
2872         * config/mep/default.h: Remove.
2873         * config/mep/intrinsics.h: Remove.
2874         * config/mep/intrinsics.md: Remove.
2875         * config/mep/ivc2-template.h: Remove.
2876         * config/mep/mep-c5.cpu: Remove.
2877         * config/mep/mep-core.cpu: Remove.
2878         * config/mep/mep-default.cpu: Remove.
2879         * config/mep/mep-ext-cop.cpu: Remove.
2880         * config/mep/mep-intrin.h: Remove.
2881         * config/mep/mep-ivc2.cpu: Remove.
2882         * config/mep/mep-pragma.c: Remove.
2883         * config/mep/mep-protos.h: Remove.
2884         * config/mep/mep.c: Remove.
2885         * config/mep/mep.cpu: Remove.
2886         * config/mep/mep.h: Remove.
2887         * config/mep/mep.md: Remove.
2888         * config/mep/mep.opt: Remove.
2889         * config/mep/predicates.md: Remove.
2890         * config/mep/t-mep: Remove.
2891         * doc/install.texi: Remove mep-* documentation.
2892         * doc/md.texi: Likewise.
2893
2894 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
2895
2896         * config.gcc: Remove support for avr-rtems.
2897         * config/avr/gen-avr-mmcu-specs.c: Likewise.
2898         * config/avr/rtems.h: Remove.
2899         * config/avr/t-rtems: Remove.
2900
2901 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
2902
2903         * config.gcc: Remove m32r-rtems support.
2904         * config/m32r/rtems.h: Remove.
2905
2906 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
2907
2908         * config.gcc: Remove h8300-rtems support.
2909         * config/h8300/rtems.h: Remove.
2910         * config/h8300/t-rtems: Remove.
2911
2912 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
2913
2914         * config.gcc: Remove support for knetbsd.
2915         * configure.ac: Likewise.
2916         * config/i386/knetbsd-gnu.h: Remove.  * config/i386/knetbsd-gnu64.h: Remove.
2917         * config/knetbsd-gnu.h: Remove.
2918         * configure: Regenerate.
2919
2920 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
2921
2922         * config.gcc: Remove support for openbsd 2 and 3.
2923         * config/openbsd-oldgas.h: Remove.
2924
2925 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
2926
2927         * config.gcc: Remove interix support.
2928         * config/i386/i386-interix.h: Remove.
2929         * config/i386/interix.opt: Remove.
2930         * config/i386/t-interix: Remove.
2931         * configure: Regenerate.
2932         * configure.ac: Remove interix support.
2933         * doc/install.texi: Remove interix documentation.
2934
2935 2016-06-21  Kelvin Nilsen  <kelvin@gcc.gnu.org>
2936
2937         * config/rs6000/rs6000.h: Add conditional preprocessing directives
2938         to disable Power9-specific compiler features if HAVE_AS_POWER9 is
2939         not defined.
2940
2941 2016-06-21  Eric Botcazou  <ebotcazou@adacore.com>
2942
2943         * tree.c (verify_type_variant): Skip TYPE_SIZE and TYPE_SIZE_UNIT if
2944         they are both PLACEHOLDER_EXPRs.
2945
2946 2016-06-21  Michael Meissner  <meissner@linux.vnet.ibm.com>
2947
2948         * stor-layout.c (layout_type): Move setting complex MODE to
2949         layout_type, instead of setting it ahead of time by the caller.
2950         * tree.c (build_complex_type): Likewise.
2951
2952 2016-06-21  Martin Liska  <mliska@suse.cz>
2953
2954         * predict.c (force_edge_cold): Replace imposisble with
2955         impossible.
2956
2957 2016-06-21  Ilya Verbin  <ilya.verbin@intel.com>
2958
2959         * config/i386/i386.c (ix86_emit_swsqrtsf): Emit vrsqrt28ps.
2960         * config/i386/sse.md (define_expand "rsqrtv16sf2"): New.
2961
2962 2016-06-21  Ilya Verbin  <ilya.verbin@intel.com>
2963
2964         * config/i386/i386.c (ix86_emit_swdivsf): Emit vrcp28ps.
2965
2966 2016-06-21  H.J. Lu  <hongjiu.lu@intel.com>
2967             Ilya Enkovich  <ilya.enkovich@intel.com>
2968
2969         PR target/71549
2970         * config/i386/i386.c (timode_scalar_chain::fix_debug_reg_uses):
2971         New member function to convert V1TImode register to SUBREG
2972         TImode in debug insn.
2973         (timode_scalar_chain::convert_insn): Call fix_debug_reg_uses
2974         after changing register mode to V1TImode.
2975
2976 2016-06-21  Virendra Pathak  <virendra.pathak@broadcom.com>
2977
2978         * config/aarch64/aarch64-cores.def (vulcan): New core.
2979         * config/aarch64/aarch64-tune.md: Regenerate.
2980         * doc/invoke.texi: Document vulcan as an available option.
2981
2982 2016-06-21  Eric Botcazou  <ebotcazou@adacore.com>
2983
2984         * cse.c (canon_asm_operands): New function extracted from...
2985         (canonicalize_insn): ...here.  Call it to canonicalize an ASM_OPERANDS
2986         either standalone or member of a PARALLEL.
2987
2988 2016-06-21  Georg-Johann Lay  <avr@gjlay.de>
2989
2990         PR target/30417
2991         * config/avr/gen-avr-mmcu-specs.c (print_mcu):
2992         [*link_data_start]: Wrap -Tdata into %{!Tdata:...}.
2993         [*link_text_start]: Wrap -Ttext into %{!Ttext:...}.
2994
2995 2016-06-21  Georg-Johann Lay  <avr@gjlay.de>
2996
2997         PR target/71103
2998         * config/avr/avr.md (movqi): Only handle loading subreg:qi of
2999         constant addresses if can_create_pseudo_p.
3000
3001 2016-06-21  Jakub Jelinek  <jakub@redhat.com>
3002
3003         PR tree-optimization/71588
3004         * tree-ssa-strlen.c (valid_builtin_call): New function.
3005         (adjust_last_stmt, handle_builtin_memset, strlen_optimize_stmt): Use
3006         it.
3007
3008 2016-06-20  Jakub Jelinek  <jakub@redhat.com>
3009
3010         PR middle-end/71581
3011         * tree-ssa-uninit.c (warn_uninit): If EXPR and VAR are NULL,
3012         see if T isn't anonymous SSA_NAME with COMPLEX_EXPR created
3013         for conversion of scalar user var to complex type and use the
3014         underlying SSA_NAME_VAR in that case.  If EXPR is still NULL,
3015         punt.
3016
3017         PR rtl-optimization/71591
3018         * toplev.c (toplev::run_self_tests): If no_backend, complain and
3019         don't run any tests.
3020
3021 2016-06-20  Hans-Peter Nilsson  <hp@axis.com>
3022
3023         PR target/71571
3024         * config/cris/cris.c (cris_asm_output_mi_thunk): Add missing "ba"
3025         delay-slot "nop" for PIC with CRIS v32.  Also add missing leading
3026         space for PIC with non-v32 and the common non-PIC "jump".
3027
3028 2016-06-20  Jakub Jelinek  <jakub@redhat.com>
3029
3030         PR target/71559
3031         * config/i386/i386.c (ix86_fp_cmp_code_to_pcmp_immediate): Fix up
3032         returned values and add UN*/LTGT/*ORDERED cases with values matching
3033         D operand modifier on vcmp for AVX.
3034
3035 2016-06-20  Wilco Dijkstra  <wdijkstr@arm.com>
3036
3037         * config/aarch64/aarch64.opt
3038         (mpc-relative-literal-loads): Rename internal option name.
3039         * config/aarch64/aarch64.c
3040         (aarch64_nopcrelative_literal_loads): Rename to
3041         aarch64_pcrelative_literal_loads.
3042         (aarch64_expand_mov_immediate): Likewise.
3043         (aarch64_secondary_reload): Likewise.
3044         (aarch64_can_use_per_function_literal_pools_p): Likewise.
3045         (aarch64_override_options_after_change_1): Rename and simplify logic.
3046         (aarch64_classify_symbol): Merge large model checks into switch,
3047         remove pc-relative load check.
3048
3049 2016-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
3050
3051         * config/arm/aarch-cost-tables.h (cortexa53_extra_costs): Make FP
3052         costs relative to the cost of a register move.
3053
3054 2016-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
3055
3056         * config/aarch64/arm_neon.h (vcvt_n_f64_s64): New.
3057         (vcvt_n_f64_u64): Likewise.
3058         (vcvt_n_s64_f64): Likewise.
3059         (vcvt_n_u64_f64): Likewise.
3060         (vcvt_f64_s64): Likewise.
3061         (vrecpe_f64): Likewise.
3062         (vcvt_f64_u64): Likewise.
3063         (vrecps_f64): Likewise.
3064
3065 2016-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
3066
3067         * config/aarch64/aarch64.md
3068         (<FCVT_F2FIXED:fcvt_fixed_insn><GPF:mode>3): Add attributes to
3069         iterators.
3070         (<FCVT_FIXED2F:fcvt_fixed_insn><GPI:mode>3): Likewise.  Correct
3071         attributes.
3072         * config/aarch64/aarch64-builtins.c
3073         (aarch64_types_binop_uss_qualifiers): Delete.
3074         (TYPES_BINOP_USS): Likewise.
3075         (aarch64_types_binop_sus_qualifiers): Likewise.
3076         (TYPES_BINOP_SUS): Likewise.
3077         (aarch64_types_fcvt_from_unsigned_qualifiers): New.
3078         (TYPES_FCVTIMM_SUS): Likewise.
3079         * config/aarch64/aarch64-simd-builtins.def (scvtf): Use SHIFTIMM
3080         rather than BINOP.
3081         (ucvtf): Use FCVTIMM_SUS rather than BINOP_SUS.
3082         (fcvtzs): Use SHIFTIMM rather than BINOP.
3083         (fcvtzu): Use SHIFTIMM_USS rather than BINOP_USS.
3084
3085 2016-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
3086
3087         * config/arm/aarch-cost-tables.h (cortexa57_extra_costs): Make FP
3088         costs relative to the cost of a register move.
3089
3090 2016-06-20  Wilco Dijkstra  <wdijkstr@arm.com>
3091
3092         * config/aarch64/aarch64.c (aarch64_modes_tieable_p):
3093         Allow scalar/single vector modes to be tieable.
3094
3095 2016-06-20  Wilco Dijkstra  <wdijkstr@arm.com>
3096
3097         * config/arm/cortex-a57.md (cortex_a57_fp_cpys): Add fcsel.
3098
3099 2016-06-20  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3100
3101         * params.def (PARAM_ALIGN_LOOP_ITERATIONS): Use "alignment" instead of
3102         "alignement".
3103         * tree.h (TYPE_ALIGN): Likewise.
3104
3105 2016-06-20  Georg-Johann Lay  <avr@gjlay.de>
3106
3107         PR target/71103
3108         * config/avr/avr.md (movqi): Handle loading subreg:qi (const).
3109
3110 2016-06-20  Georg-Johann Lay  <avr@gjlay.de>
3111
3112         * config/avr/avr.c (avr_print_operand): Fix "format not a string
3113         literal" build warnings.
3114         (avr_print_operand_address): Dito.
3115
3116 2016-06-19  David Edelsohn  <dje.gcc@gmail.com>
3117
3118         PR target/71375
3119         * config/rs6000/aix51.h (TARGET_EXTRA_BUILTINS): Define as 0.
3120         * config/rs6000/aix43.h (TARGET_EXTRA_BUILTINS): Same.
3121
3122 2016-06-18  John David Anglin  <danglin@gcc.gnu.org>
3123
3124         * config/pa/pa.h (TARGET_LONG_PIC_PCREL_CALL): Remove.
3125
3126 2016-06-18  Eric Botcazou  <ebotcazou@adacore.com>
3127
3128         PR bootstrap/71435
3129         * reload1.c (reload): Pass 0 to finish_spills when called because
3130         update_eliminables_and_spill returns true and remove did_spill.
3131         (finish_spills): Adjust comment and document GLOBAL parameter.
3132
3133 2016-06-17  DJ Delorie  <dj@redhat.com>
3134
3135         PR target/71338
3136         * config/rl78/rl78-expand.c (umulqihi3): Enable for G10.
3137         * config/rl78/rl78-virtual.c (umulhi3_shift_virt): Likewise.
3138         (umulqihi3_virt): Likewise.
3139         * config/rl78/rl78-real.c (umulhi3_shift_real): Likewise.
3140         (umulqihi3_real): Likewise.
3141
3142 2016-06-17  Martin Liska  <mliska@suse.cz>
3143
3144         * tree-ssa-reassoc.c (transform_add_to_multiply): Use auto_vec.
3145
3146 2016-06-17  Martin Liska  <mliska@suse.cz>
3147
3148         * predict.def: PRED_LOOP_EXIT from 92 to 85.
3149
3150 2016-06-17  James Greenhalgh  <james.greenhalgh@arm.com>
3151
3152         * config/arm/arm_neon.h (vadd_f32): replace __FAST_MATH with
3153         __FAST_MATH__.
3154         (vaddq_f32): Likewise.
3155         (vmul_f32): Likewise.
3156         (vmulq_f32): Likewise.
3157         (vsub_f32): Likewise.
3158         (vsubq_f32): Likewise.
3159
3160 2016-06-17  Bin Cheng  <bin.cheng@arm.com>
3161
3162         PR tree-optimization/71347
3163         * tree-ssa-loop-ivopts.c (determine_group_iv_cost_address): Compute
3164         cost for all uses in group.
3165
3166 2016-06-17 Bin Cheng  <bin.cheng@arm.com>
3167
3168         * tree-vect-loop.c (vect_create_epilog_for_reduction): Only
3169         insert gimple seq if it's not empty.
3170
3171 2016-06-17  Bin Cheng  <bin.cheng@arm.com>
3172
3173         * tree-vectorizer.h (struct dr_with_seg_len): Remove class
3174         member OFFSET.
3175         * tree-vect-data-refs.c (operator ==): Handle DR_OFFSET directly,
3176         rather than OFFSET.
3177         (comp_dr_with_seg_len_pair): Ditto.
3178         (vect_prune_runtime_alias_test_list): Ditto.  Also Canonicalize
3179         struct dr_with_seg_len_pair against DR_OFFSET.
3180         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks): Handle
3181         DR_OFFSET directly.
3182
3183 2016-06-17  Szabolcs Nagy  <szabolcs.nagy@arm.com>
3184
3185         * config/aarch64/geniterators.sh: Handle parenthesised conditions.
3186
3187 2016-06-16  John David Anglin  <danglin@gcc.gnu.org>
3188
3189         * config/pa/pa.c (pa_output_pic_pcrel_sequence): New.
3190         (pa_output_lbranch): Use pa_output_pic_pcrel_sequence.
3191         (pa_output_millicode_call): Likewise.
3192         (pa_output_call): Likewise.
3193         (pa_output_indirect_call): Likewise.
3194         (pa_asm_output_mi_thunk): Likewise.
3195
3196 2016-06-16  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3197
3198         * doc/invoke.texi (x86 Options): Fix -mno-fp-ret-in-387 typo.
3199
3200 2016-06-16  Martin Liska  <mliska@suse.cz>
3201
3202         * predict.c (combine_predictions_for_insn): When we find a first
3203         match predictor, we should consider just predictors with
3204         PRED_FLAG_FIRST_MATCH.  Print either first match (if any) or
3205         DS theory predictor.
3206         (combine_predictions_for_bb): Likewise.
3207
3208 2016-06-16  Jakub Jelinek  <jakub@redhat.com>
3209
3210         * gimplify.c (gimplify_scan_omp_clauses): Handle COMPONENT_REFs
3211         with base of reference to struct.
3212
3213 2016-06-16  Uros Bizjak  <ubizjak@gmail.com>
3214
3215         * doc/invoke.texi (x86 Options): Document -m80387 and -mhard-float.
3216
3217 2016-06-16  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
3218
3219         PR target/71151
3220         * config/avr/avr.c (avr_asm_init_sections): Remove setup of
3221         progmem_swtable_section.
3222         (progmem_swtable_section): Remove.
3223         (avr_asm_function_rodata_section): Remove.
3224         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
3225         * config/avr/avr.h (JUMP_TABLES_IN_TEXT_SECTION: Define to 1.
3226
3227 2016-06-16  Jocelyn Mayer  <l_indien@magic.fr>
3228
3229         * config/i386/driver-i386.c (host_detect_local_cpu): Set
3230         PROCESSOR_K8 for signature_CENTAUR_ebx with has_longmode.
3231         <case PROCESSOR_K8>: Pass nano-3000, nano, eden-x2 or k8 for
3232         signature_CENTAUR_ebx.
3233         * config/i386/i386.c (ix86_option_override_internal): Add
3234         definitions for VIA c7, samuel-2, nehemiah, esther, eden-x2, eden-x4,
3235         nano, nano-1000, nano-2000, nano-3000, nano-x2 and nano-x4.
3236         * doc/invoke.texi (x86 Options): Document new VIA -march entries.
3237
3238 2016-06-16  Martin Liska  <mliska@suse.cz>
3239
3240         * predict.def: Add fortran loop preheader predictor.
3241         * gimple-fold.c (gimple_fold_stmt_to_constant_1): Properly
3242         fold IFN_BUILTIN_EXPECT with a known constant argument.
3243
3244 2016-06-16  Martin Liska  <mliska@suse.cz>
3245
3246         * predict.def: Add 'Fortran' to display text of all
3247         PRED_FORTRAN_* predictors.
3248
3249 2016-06-16  Uros Bizjak  <ubizjak@gmail.com>
3250
3251         PR target/71242
3252         * config/ia64/ia64.c (enum ia64_builtins) [IA64_BUILTIN_NANQ]: New.
3253         [IA64_BUILTIN_NANSQ]: Ditto.
3254         (ia64_fold_builtin): New function.
3255         (TARGET_FOLD_BUILTIN): New define.
3256         (ia64_init_builtins) Declare const_string_type node.
3257         Add __builtin_nanq and __builtin_nansq builtin functions.
3258         (ia64_expand_builtin): Handle IA64_BUILTIN_NANQ and IA64_BUILTIN_NANSQ.
3259
3260 2016-06-16  Nick Clifton  <nickc@redhat.com>
3261
3262         * config/msp430/msp430-opts.h (msp430_hwmult_types): Add
3263         MSP430_HWMULT_ prefix to enum values.
3264         (msp430_regions): Add MSP430_REGION_ prefix to enum values.
3265         * config/msp430/msp430.c: Update use of enum values.
3266         * config/msp430/msp430.md: Likewise.
3267         * config/msp430/msp430.opt: Likewise.
3268
3269 2016-06-16  Jan Hubicka  <hubicka@ucw.cz>
3270
3271         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Fix estimation
3272         of comparsions in the last iteration.
3273
3274 2016-06-16  Claudiu Zissulescu  <claziss@synopsys.com>
3275             Joern Rennecke  <joern.rennecke@embecosm.com>
3276
3277         * config/arc/arc.c (arc_print_operand_address): Handle pc-relative
3278         addresses.
3279         (arc_needs_pcl_p): Add GOTOFFPC.
3280         (arc_legitimate_pic_addr_p): Likewise.
3281         (arc_output_pic_addr_const): Likewise.
3282         (arc_legitimize_pic_address): Generate a pc-relative address using
3283         GOTOFFPC.
3284         (arc_output_libcall): Use @pcl syntax.
3285         (arc_delegitimize_address_0): Delegitimize ARC_UNSPEC_GOTOFFPC.
3286         * config/arc/arc.md ("unspec"): Add ARC_UNSPEC_GOTOFFPC.
3287         (*movsi_insn): Use @pcl syntax.
3288         (doloop_begin_i): Likewise.
3289
3290 2016-06-16  Martin Liska  <mliska@suse.cz>
3291
3292         * predict.def: Define a new predictor.
3293
3294 2016-06-16  Claudiu Zissulescu  <claziss@synopsys.com>
3295
3296         * config/arc/arc.opt (mtp-regno): Update text.
3297
3298 2016-06-16  Renlin Li  <renlin.li@arm.com>
3299
3300         * config/aarch64/aarch64.c (aarch64_legitimize_address): Fix a typo.
3301
3302 2016-06-16  Jakub Jelinek  <jakub@redhat.com>
3303
3304         PR target/71554
3305         * config/i386/i386.md (setcc + movzbl peephole2): Use reg_set_p.
3306         (setcc + and peephole2): Likewise.
3307
3308         PR rtl-optimization/71532
3309         * cse.c (cse_insn): For const/pure calls, invalidate argument passing
3310         memory slots.
3311
3312 2016-06-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
3313
3314         * config/rs6000/vsx.md (VSINT_84): Add DImode to enable loading
3315         DImode constants with XXSPLTIB in vector registers.
3316         (vsx_extract_<mode>, V2DImode/V2DFmode): Combine both
3317         vsx_extract_<mode>_internal{1,2} into a single insn that handles
3318         direct move (both ISA 2.07 and ISA 3.0 versions), and optimizes
3319         extraction of the element at the top of the register as a scalar
3320         value.
3321         (vsx_extract_<mode>_internal1): Likewise.
3322         (vsx_extract_<mode>_internal2): Likewise.
3323         * config/rs6000/constraints.md (wi constraint): Remove a comment
3324         about DImode not being allowed in Altivec registers.
3325         (wB constraint): New constraint for constants that can be
3326         generated in Altivec registers with VSPLTISW/VUPKHSW.
3327         * config/rs6000/predicates.md (xxspltib_constant_split): Update
3328         comments.
3329         (xxspltib_constant_nosplit): Likewise.
3330         * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Add
3331         support for -mupper-regs-di to enable DImode to go into Altivec
3332         registers.
3333         (POWERPC_MASKS): Likewise.
3334         (power7 cpu): Likewise.
3335         * config/rs6000/rs6000.opt (-mupper-regs-di): Likewise.
3336         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Add support
3337         for DImode being allowed in Altivec registers.  Update wi/wj
3338         constraints.  Set scalar_in_vmx_p flag.
3339         (rs6000_option_override_internal): Add checks for -mupper-regs-di.
3340         (xxspltib_constant_p): Allow CONST_INT's with VOIDmode.  Don't
3341         return true if we could use VSPLTISW/VUPKHSW instead of XXSPLTIB.
3342         (rs6000_opt_masks): Add -mupper-regs-di.
3343         * config/rs6000/rs6000.md (lfiwax): Update clobbers that don't use
3344         direct move to use wi and not wj.
3345         (lfiwzx): Likewise.
3346         (floatsi<mode>2_lfiwax_mem): Combine alternatives into a single
3347         alternative.
3348         (floatunssi<mode>2_lfiwzx_mem): Likewise.
3349         (fix_trunc<mode>di2_fctidz): Change second alternative to allow
3350         any VSX register, instead of just Altivec registers, to allow
3351         either operand to be an Altivec register or both.
3352         (fixuns_trunc<mode>di2_fctiduz): Likewise.
3353         (movdi_internal32): Add support for -mupper-regs-di.  Add support
3354         to load constants via XXSPLTIB or VSPLTISW.  Add spacing to allow
3355         the alternatives and attributes to be lined up to be easier to
3356         read.
3357         (movdi_internal64): Likewise.
3358         (64-bit DImode splitters): Change predicates to only split loading
3359         up GPR registers.  Add splits for using XXSPLTIB or VSPLTISW to
3360         load constants in ISA 3.0 or ISA 2.07 respectively.
3361         * doc/invoke.texi (RS/6000 and PowerPC Options): Document
3362         -mupper-regs-di.  Update -mupper-regs-df and -mupper-regs-sf to
3363         mention -mcpu=power9 sets these options.
3364         * doc/md.texi (PowerPC and IBM RS6000 constraints): Document the
3365         wB constraint.
3366
3367 2016-06-15  Pitchumani Sivanupandi  <pitchumani.s@atmel.com>
3368
3369         PR target/67353
3370         * config/avr/avr.c (avr_set_current_function): Warn misspelled
3371         interrupt/ signal handler if -Wmisspelled-isr flag is enabled.
3372         * config/avr/avr.opt (Wmisspelled-isr): New warning flag. Enabled
3373         by default to warn misspelled interrupt/ signal handler.
3374         * doc/invoke.texi (AVR Options): Document it. Update description
3375         for -nodevicelib option.
3376
3377 2016-06-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3378
3379         * config/aarch64/aarch64-simd.md (aarch64_<sur>shll_n<mode>): Clean
3380         up parentheses.  Use GET_MODE_UNIT_BITSIZE.
3381         (aarch64_<sur>shll2_n<mode>): Likewise.
3382
3383 2016-06-15  Ilya Enkovich  <ilya.enkovich@intel.com>
3384
3385         PR middle-end/71529
3386         * ipa-chkp.c (chkp_build_instrumented_fndecl): Fix
3387         DECL_CONTEXT for copied arguments.
3388
3389 2016-06-15  Alan Hayward  <alan.hayward@arm.com>
3390
3391         PR tree-optimization/71483
3392         * tree-vect-loop.c (vectorizable_live_operation): Pick correct index
3393         for slp
3394
3395 2016-06-15  Martin Liska  <mliska@suse.cz>
3396
3397         * predict.c (tree_predict_by_opcode): Call predict_edge_def
3398         instead of predict_edge w/o a probability.
3399
3400 2016-06-15  Alan Hayward  <alan.hayward@arm.com>
3401
3402         PR tree-optimization/71439
3403         * tree-vect-loop.c (vect_analyze_loop_operations): Additional check for
3404         live PHIs.
3405
3406 2016-06-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3407
3408         * ifcvt.c (bb_ok_for_noce_multiple_sets): Allow simple lowpart
3409         register subregs in SET_SRC.
3410
3411 2016-06-15  Richard Biener  <rguenther@suse.de>
3412
3413         * tree-vect-stmts.c (vectorizable_store): Remove strided grouped
3414         store restrictions.
3415
3416 2016-06-15  Richard Biener  <rguenther@suse.de>
3417
3418         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence): Do
3419         not consider dependences between accesses that belong to the
3420         same group.
3421         (vect_analyze_data_ref_dependences): Do not analyze read-read
3422         or self-dependences.
3423
3424 2016-06-14  David Malcolm  <dmalcolm@redhat.com>
3425
3426         * spellcheck-tree.c: Include spellcheck-tree.h rather than
3427         spellcheck.h.
3428         (find_closest_identifier): Reimplement in terms of
3429         best_match<tree,tree>.
3430         * spellcheck-tree.h: New file.
3431         * spellcheck.c (struct edit_distance_traits<const char *>): New
3432         struct.
3433         (find_closest_string): Reimplement in terms of
3434         best_match<const char *, const char *>.
3435         * spellcheck.h (levenshtein_distance): Move prototype of tree-based
3436         overload to spellcheck-tree.h.
3437         (find_closest_identifier): Likewise.
3438         (struct edit_distance_traits<T>): New template.
3439         (class best_match): New class.
3440
3441 2016-06-14  David Malcolm  <dmalcolm@redhat.com>
3442
3443         * selftest-run-tests.c (selftest::run_tests): Call
3444         selftest::spellcheck_tree_c_tests.
3445         * selftest.h (selftest::spellcheck_tree_c_tests): New decl.
3446         * spellcheck-tree.c: Include selftest.h and stringpool.h.
3447         (selftest::test_find_closest_identifier): New function.
3448         (selftest::spellcheck_tree_c_tests): New function.
3449         * spellcheck.c (selftest::test_find_closest_string): Verify that
3450         the order of the vec does not affect the results for this case.
3451         (selftest::test_data): New array.
3452         (selftest::test_metric_conditions): New function.
3453         (selftest::spellcheck_c_tests): Add a test of case-comparison.
3454         Call selftest::test_metric_conditions.
3455
3456 2016-06-14  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3457
3458         * config/rs6000/rs6000-builtin.def (commentary): Typo.
3459         (BU_P9_MISC_1): Likewise.
3460         (BU_P9_64BIT_MISC_0): Likewise.
3461         (BU_P9_MISC_0): Likewise.
3462
3463 2016-06-14  David Malcolm  <dmalcolm@redhat.com>
3464
3465         * gcc-rich-location.c
3466         (gcc_rich_location::add_fixit_misspelled_id): New method.
3467         * gcc-rich-location.h
3468         (gcc_rich_location::add_fixit_misspelled_id): Add decl.
3469
3470 2016-06-14  Andreas Tobler  <andreast@gcc.gnu.org>
3471
3472         * config/arm/freebsd.h: Only enable unaligned access for armv6 on
3473         FreeBSD 11 and above.
3474
3475 2016-06-14  Uros Bizjak  <ubizjak@gmail.com>
3476
3477         * config/i386/i386.md (signbittf2): Emit sse_movmskps for TARGET_SSE.
3478
3479 2016-06-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3480
3481         * expmed.h: Close parenthesis in "at your option" in copyright
3482         boilerplate.
3483         * lower-subreg.h: Likewise.
3484
3485 2016-06-14  Richard Biener  <rguenther@suse.de>
3486
3487         PR middle-end/71526
3488         * genmatch.c (expr::gen_transform): Use in_type for comparisons
3489         if available.
3490
3491 2015-06-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3492
3493         * config/aarch64/aarch64.c (aarch64_mask_and_shift_for_ubfiz_p):
3494         New function.
3495         (aarch64_rtx_costs): Use it.  Rewrite CONST_INT_P (op1) case to handle
3496         mask+shift version.
3497         * config/aarch64/aarch64-protos.h (aarch64_mask_and_shift_for_ubfiz_p):
3498         New prototype.
3499         * config/aarch64/aarch64.md (*andim_ashift<mode>_bfiz): Replace
3500         matching condition with aarch64_mask_and_shift_for_ubfiz_p.
3501
3502 2016-06-14  Richard Biener  <rguenther@suse.de>
3503
3504         PR tree-optimization/71522
3505         * tree-ssa.c (non_rewritable_lvalue_p): Do not rewrite non-float
3506         copying into float copying.
3507
3508 2016-06-14  Jakub Jelinek  <jakub@redhat.com>
3509
3510         PR tree-optimization/71520
3511         * tree-ssa-tail-merge.c (find_duplicate): Handle labels.
3512         (replace_block_by): Move user labels from bb1 to bb2.
3513
3514 2016-06-14  Richard Biener  <rguenther@suse.de>
3515
3516         PR middle-end/71310
3517         PR bootstrap/71510
3518         * expr.h (get_bit_range): Declare.
3519         * expr.c (get_bit_range): Export.
3520         * fold-const.c (optimize_bit_field_compare): Use get_bit_range and
3521         word_mode again to constrain the bitfield access.
3522
3523 2016-06-14  Richard Biener  <rguenther@suse.de>
3524
3525         PR tree-optimization/71521
3526         * tree-vrp.c (extract_range_from_binary_expr_1): Guard
3527         division int_const_binop against zero divisor.
3528
3529 2016-06-13  Uros Bizjak  <ubizjak@gmail.com>
3530
3531         * config/i386/i386.md (signbittf2): New expander.
3532         * config/i386/sse.md (ptesttf2): New insn pattern.
3533
3534 2016-06-13  David Malcolm  <dmalcolm@redhat.com>
3535
3536         PR bootstrap/71481
3537         * input.c (selftest::test_reading_source_line): Avoid reading from
3538         __FILE__ by creating a tempfile with known content and reading
3539         from that instead.
3540
3541 2016-06-13  David Malcolm  <dmalcolm@redhat.com>
3542
3543         * pretty-print.c (assert_pp_format_colored): Skip the test if
3544         GCC_COLORS is set.
3545         (test_pp_format): Remove comment about GCC_COLORS.
3546
3547 2016-06-13  David Malcolm  <dmalcolm@redhat.com>
3548
3549         * input.c (test_reading_source_line): Use SELFTEST_LOCATION.
3550         * pretty-print.c (assert_pp_format_va): Add location param and use
3551         it with ASSERT_STREQ_AT.
3552         (assert_pp_format): Add location param and pass it to
3553         assert_pp_format_va.
3554         (assert_pp_format_colored): Likewise.
3555         (ASSERT_PP_FORMAT_1): New.
3556         (ASSERT_PP_FORMAT_2): New.
3557         (ASSERT_PP_FORMAT_3): New.
3558         (test_pp_format): Provide SELFTEST_LOCATION throughout, either
3559         explicitly, or implicitly via the above macros.
3560         * selftest.c (selftest::pass): Use a selftest::location rather
3561         than file and line.
3562         (selftest::fail): Likewise.  Print the function name.
3563         (selftest::fail_formatted): Likewise.
3564         (selftest::assert_streq): Use a selftest::location rather than
3565         file and line.
3566         * selftest.h (selftest::location): New struct.
3567         (SELFTEST_LOCATION): New macro.
3568         (selftest::pass): Accept a const location & rather than file
3569         and line.
3570         (selftest::fail): Likewise.
3571         (selftest::fail_formatted): Likewise.
3572         (selftest::assert_streq): Likewise.
3573         (ASSERT_TRUE): Update for above changes, using SELFTEST_LOCATION.
3574         (ASSERT_FALSE): Likewise.
3575         (ASSERT_EQ): Likewise.
3576         (ASSERT_NE): Likewise.
3577         (ASSERT_STREQ): Likewise.
3578         (ASSERT_PRED1): Likewise.
3579         (ASSERT_STREQ_AT): New macro.
3580
3581 2016-06-13  David Malcolm  <dmalcolm@redhat.com>
3582
3583         * selftest.c (selftest::fail_formatted): New function.
3584         (selftest::assert_streq): New function.
3585         * selftest.h (selftests::fail_formatted): New decl.
3586         (selftest::assert_streq): New decl.
3587         (ASSERT_STREQ): Reimplement in terms of selftest::assert_streq.
3588
3589 2016-06-13  Jeff Law  <law@redhat.com>
3590
3591         PR tree-optimization/71403
3592         * tree-ssa-threadbackward.c
3593         (convert_and_register_jump_thread_path): No longer accept reference
3594         to path.  Do not pop items off the path anymore.
3595         (fsm_find_control_statement_thread_paths): Do not allow threading
3596         to a deeper loop nest.  Pop the last item off the path here rather
3597         than in convert_and_register_jump_thread_path.
3598
3599 2016-06-13  Evandro Menezes  <e.menezes@samsung.com>
3600             Wilco Dijkstra  <Wilco.Dijkstra@arm.com>
3601
3602         [AArch64] Emit division using the Newton series
3603
3604         * config/aarch64/aarch64-protos.h
3605         (cpu_approx_modes): Add new member "division".
3606         (aarch64_emit_approx_div): Declare new function.
3607         * config/aarch64/aarch64.c
3608         (generic_approx_modes): New member "division".
3609         (exynosm1_approx_modes): Likewise.
3610         (xgene1_approx_modes): Likewise.
3611         (aarch64_emit_approx_div): Define new function.
3612         * config/aarch64/aarch64.md ("div<mode>3"): New expansion.
3613         * config/aarch64/aarch64-simd.md ("div<mode>3"): Likewise.
3614         * config/aarch64/aarch64.opt (-mlow-precision-div): Add new option.
3615         * doc/invoke.texi (-mlow-precision-div): Describe new option.
3616
3617 2016-06-13  Evandro Menezes  <e.menezes@samsung.com>
3618             Wilco Dijkstra  <wilco.dijkstra@arm.com>
3619
3620         [AArch64] Emit square root using the Newton series
3621
3622         * config/aarch64/aarch64-protos.h
3623         (aarch64_emit_approx_rsqrt): Replace with new function
3624         "aarch64_emit_approx_sqrt".
3625         (cpu_approx_modes): New member "sqrt".
3626         * config/aarch64/aarch64.c
3627         (generic_approx_modes): New member "sqrt".
3628         (exynosm1_approx_modes): Likewise.
3629         (xgene1_approx_modes): Likewise.
3630         (aarch64_emit_approx_rsqrt): Replace with new function
3631         "aarch64_emit_approx_sqrt".
3632         (aarch64_override_options_after_change_1): Handle new option.
3633         * config/aarch64/aarch64-simd.md
3634         (rsqrt<mode>2): Use new function instead.
3635         (sqrt<mode>2): New expansion and insn definitions.
3636         * config/aarch64/aarch64.md: Likewise.
3637         * config/aarch64/aarch64.opt
3638         (mlow-precision-sqrt): Add new option description.
3639         * doc/invoke.texi (mlow-precision-sqrt): Likewise.
3640
3641 2016-06-13  Evandro Menezes  <e.menezes@samsung.com>
3642
3643         [AArch64] Add more choices for the reciprocal square root approximation
3644
3645         Allow a target to prefer such operation depending on the operation mode.
3646
3647         * config/aarch64/aarch64-protos.h
3648         (AARCH64_APPROX_MODE): New macro.
3649         (AARCH64_APPROX_{NONE,ALL}): Likewise.
3650         (cpu_approx_modes): New structure.
3651         (tune_params): New member "approx_modes".
3652         * config/aarch64/aarch64-tuning-flags.def
3653         (AARCH64_EXTRA_TUNE_APPROX_RSQRT): Remove macro.
3654         * config/aarch64/aarch64.c
3655         (generic_approx_modes): New core "cpu_approx_modes" structure.
3656         (exynosm1_approx_modes): Likewise.
3657         (xgene1_approx_modes): Likewise.
3658         (generic_tunings): New member "approx_modes".
3659         (cortexa35_tunings): Likewise.
3660         (cortexa53_tunings): Likewise.
3661         (cortexa57_tunings): Likewise.
3662         (cortexa72_tunings): Likewise.
3663         (exynosm1_tunings): Likewise.
3664         (thunderx_tunings): Likewise.
3665         (xgene1_tunings): Likewise.
3666         (use_rsqrt_p): New argument for the mode and use new member from
3667         "tune_params".
3668         (aarch64_builtin_reciprocal): Devise mode from builtin.
3669         (aarch64_optab_supported_p): New argument for the mode.
3670         * doc/invoke.texi (-mlow-precision-recip-sqrt): Reword description.
3671
3672 2016-06-13  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3673
3674         * config/rs6000/rs6000.h (RS6000_BTM_COMMON): Add the
3675         RS6000_BTM_MODULO flag into the set of flags that are considered
3676         to be part of the common configuration.
3677
3678 2016-06-13  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3679
3680         * config/rs6000/altivec.h (vec_absd): New macro for vector absolute
3681         difference unsigned.
3682         (vec_absdb): New macro for vector absolute difference unsigned
3683         byte.
3684         (vec_absdh): New macro for vector absolute difference unsigned
3685         half-word.
3686         (vec_absdw): New macro for vector absolute difference unsigned word.
3687         * config/rs6000/altivec.md (UNSPEC_VADU): New value.
3688         (vadu<mode>3): New insn.
3689         (*p9_vadu<mode>3): New insn.
3690         * config/rs6000/rs6000-builtin.def (vadub): New built-in
3691         definition.
3692         (vaduh): New built-in definition.
3693         (vaduw): New built-in definition.
3694         (vadu): New overloaded built-in definition.
3695         (vadub): New overloaded built-in definition.
3696         (vaduh): New overloaded built-in definition.
3697         (vaduw): New overloaded built-in definition.
3698         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
3699         overloaded vector absolute difference unsigned functions.
3700         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
3701         the ISA 3.0 vector absolute difference unsigned built-in functions.
3702
3703 2016-06-13  Eric Botcazou  <ebotcazou@adacore.com>
3704
3705         * tree-ssa-sccvn.c (vn_reference_lookup_3): Use a uniform test and
3706         update shared_lookup_references only once after changing operands.
3707
3708 2016-06-13  Thomas Schwinge  <thomas@codesourcery.com>
3709
3710         PR middle-end/71373
3711         * tree-nested.c (convert_nonlocal_omp_clauses)
3712         (convert_local_omp_clauses): Document missing OMP_CLAUSE_*.
3713
3714         * tree-cfg.c (edge_to_cases_cleanup): Fix CASE_CHAIN typo.
3715         * tree.def (CASE_LABEL_EXPR): Likewise.
3716
3717 2016-06-13  Bernd Edlinger  <bernd.edlinger@hotmail.de>
3718
3719         PR bootstrap/71481
3720         * input.c (test_builtins): Fix an assertion.
3721
3722 2016-06-13  Uros Bizjak  <ubizjak@gmail.com>
3723
3724         * config/i386/i386.md (paritydi2): Use ix86_expand_setcc.
3725         (paritysi2): Ditto.
3726         (isinfxf2): Ditto.
3727         (isinf<mode>2): Ditto.
3728
3729 2016-06-13  Uros Bizjak  <ubizjak@gmail.com>
3730
3731         * ggc-tests.c (test_finalization): Only test need_finalization_p
3732         for GCC_VERSION >= 4003.
3733
3734 2016-06-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3735
3736         * config/s390/vecintrin.h: Fix file description in comment.
3737
3738 2016-06-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3739
3740         * config/s390/s390-builtin-types.def: Change builtin type naming
3741         scheme to match builtin-types.def.
3742
3743 2016-06-13  Marc Glisse  <marc.glisse@inria.fr>
3744
3745         * fold-const.c (optimize_minmax_comparison): Remove.
3746         (fold_comparison): Remove call to the above.
3747         * match.pd (MIN (X, Y) == X, MIN (X, 5) == 0, MIN (X, C1) < C2):
3748         New transformations.
3749
3750 2016-06-13  Alan Hayward  <alan.hayward@arm.com>
3751
3752         PR tree-optimization/71416
3753         * tree-vect-loop.c (vectorizable_live_operation): Let worklist have
3754         multiple entries
3755
3756 2016-06-13  Martin Liska  <mliska@suse.cz>
3757
3758         * predict.c (enum predictor_reason): Prefix enum with REASON_.
3759         (combine_predictions_for_insn): Likewise.
3760         (prune_predictions_for_bb): Likewise.
3761         (combine_predictions_for_bb): Likewise.
3762
3763 2016-06-13  Richard Biener  <rguenther@suse.de>
3764
3765         PR tree-optimization/71505
3766         * tree-vect-data-refs.c (vect_analyze_data_ref_accesses): Make
3767         assert match comment.
3768
3769 2016-06-13  Marek Polacek  <polacek@redhat.com>
3770
3771         PR middle-end/71476
3772         * gimplify.c (maybe_warn_switch_unreachable): Factored out of
3773         gimplify_switch_expr.
3774         (warn_switch_unreachable_r): New function.
3775
3776 2016-06-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3777
3778         PR target/71379
3779         * config/s390/s390.c (s390_expand_builtin): Increase MAX_ARGS by
3780         one.
3781
3782 2016-06-13  Richard Biener  <rguenther@suse.de>
3783
3784         PR middle-end/64516
3785         * fold-const.c (fold_unary_loc): Preserve alignment when
3786         folding a VIEW_CONVERT_EXPR into a MEM_REF.
3787
3788 2016-06-13  Martin Liska  <mliska@suse.cz>
3789
3790         PR sanitizer/71458
3791         * toplev.c (process_options): Do not enable -fcheck-pointer-bounds
3792         w/ -fsanitize=bounds.
3793
3794 2016-06-12  Uros Bizjak  <ubizjak@gmail.com>
3795
3796         * config/i386/i386.c (ix86_init_builtins): Calculate
3797         FLOAT128_FTYPE_CONST_STRING function type only once.
3798         * doc/extend.texi (x86 Built-in Functions): Update text, __float128
3799         built-in functions are available for x86-32 and x86-64 targets.
3800
3801 2016-06-12  Uros Bizjak  <ubizjak@gmail.com>
3802
3803         PR target/71241
3804         * config/i386/i386.i386-builtin-types.def (CONST_STRING):
3805         New primitive type.
3806         (FLOAT128_FTYPE_CONST_STRING): New function type.
3807         * config/i386/i386.c (enum ix86_builtins) [IX86_BUILTIN_NANQ]: New.
3808         [IX86_BUILTIN_NANSQ]: Ditto.
3809         (ix86_fold_builtin): Handle IX86_BUILTIN_NANQ and IX86_BUILTIN_NANSQ.
3810         (ix86_init_builtin_types): Declare const_string_type_node.
3811         (ix86_init_builtins): Add __builtin_nanq and __builtin_nansq
3812         builtin functions.
3813         (ix86_expand_builtin): Handle IX86_BUILTIN_NANQ and IX86_BUILTIN_NANSQ.
3814         * doc/extend.texi (x86 Built-in Functions): Document
3815         __builtin_nanq and __builtin_nansq.
3816
3817 2016-06-11  Jiong Wang  <jiong.wang@arm.com>
3818
3819         PR target/71061
3820         * config/arm/arm-protos.h (arm_attr_length_pop_multi): New declaration.
3821         * config/arm/arm.c (arm_attr_length_pop_multi): New function to return
3822         length for pop patterns.
3823         (arm_attr_length_push_multi): Update comments.
3824         * config/arm/arm.md (*load_multiple_with_writeback): Set "length"
3825         attribute.
3826         (*pop_multiple_with_writeback_and_return): Likewise.
3827         (*pop_multiple_with_return): Likewise.
3828
3829 2016-06-11  Segher Boessenkool  <segher@kernel.crashing.org>
3830
3831         PR middle-end/71310
3832         * fold-const.c (optimize_bit_field_compare): Don't try to use
3833         word_mode unconditionally for reading the bit field, look at
3834         DECL_BIT_FIELD_REPRESENTATIVE instead.
3835
3836 2016-06-11  Kugan Vivekanandarajah  <kuganv@linaro.org>
3837
3838         PR middle-end/71478
3839         * tree-ssa-reassoc.c (reassociate_bb): Remove (-1) from ops list for
3840         vector integer type.
3841
3842 2016-06-10  Jakub Jelinek  <jakub@redhat.com>
3843
3844         PR middle-end/71494
3845         * tree-nested.c (convert_nonlocal_reference_stmt): For GIMPLE_GOTO
3846         without LABEL_DECL, set *handled_ops_p to false instead of true.
3847
3848 2016-06-10  Martin Sebor  <msebor@redhat.com>
3849
3850         PR c/71392
3851         * builtin-attrs.def (ATTR_NOTHROW_NONNULL_LEAF_LIST): New macro.
3852         (ATTR_NOTHROW_NONNULL_TYPEGENERIC_LEAF): Same.
3853         * builtins.def (BUILT_IN_SADD_OVERFLOW, BUILT_IN_SADDL_OVERFLOW): Use
3854         them.
3855         (BUILT_IN_SADDLL_OVERFLOW, BUILT_IN_SSUB_OVERFLOW): Same.
3856         (BUILT_IN_SSUBL_OVERFLOW, BUILT_IN_SSUBLL_OVERFLOW): Same.
3857         (BUILT_IN_SMUL_OVERFLOW, BUILT_IN_SMULL_OVERFLOW): Same.
3858         (BUILT_IN_SMULLL_OVERFLOW, BUILT_IN_UADD_OVERFLOW): Same.
3859         (BUILT_IN_UADDL_OVERFLOW, BUILT_IN_UADDLL_OVERFLOW): Same.
3860         (BUILT_IN_USUB_OVERFLOW, BUILT_IN_USUBL_OVERFLOW): Same.
3861         (BUILT_IN_USUBLL_OVERFLOW, BUILT_IN_UMUL_OVERFLOW): Same.
3862         (BUILT_IN_UMULL_OVERFLOW, BUILT_IN_UMULLL_OVERFLOW): Same.
3863
3864 2016-06-10  Bernd Edlinger  <bernd.edlinger@hotmail.de>
3865
3866         * config/arm/arm.h (pool_vector_label,
3867         return_used_this_function): Remove.
3868
3869 2016-06-10  Jeff Law  <law@redhat.com>
3870
3871         PR tree-optimization/71335
3872         * tree-ssa-threadbackward.c (profitable_jump_thread_path): Filter out
3873         zero length paths here.
3874         (convert_and_register_jump_thread_path): Remove hacks related to
3875         duplicated blocks in the jump thread path.
3876         (fsm_find_control_statement_thread_paths): Avoid putting the same
3877         block on the thread path twice, but ensure the thread path is
3878         unchanged from the caller's point of view.
3879
3880 2016-06-10  Jan Hubicka  <hubicka@ucw.cz>
3881
3882         * predict.c (predict_loops): Remove PRED_LOOP_BRANCH.
3883         * predict.def (PRED_LOOP_BRANCH): Remove.
3884
3885 2016-06-10  David Malcolm  <dmalcolm@redhat.com>
3886
3887         * Makefile.in (OBJS): Add ggc-tests.o.
3888         (GTFILES): Add ggc-tests.c.
3889         * ggc-tests.c: New file.
3890         * selftest-run-tests.c (selftest::run_tests): Call
3891         selftest::ggc_tests_c_tests.
3892         * selftest.h (selftest::ggc_tests_c_tests): New prototype.
3893
3894 2016-06-10  Alexander Monakov  <amonakov@ispras.ru>
3895
3896         * match.pd (-1 / B < A): Use :c to avoid pattern duplication.
3897
3898 2016-06-10  Maxim Ostapenko  <m.ostapenko@samsung.com>
3899
3900         PR sanitizer/71480
3901         * varasm.c (place_block_symbol): Adjust alignment for asan protected
3902         STRING_CSTs even if TREE_CONSTANT_POOL_ADDRESS_P.
3903
3904 2016-06-10  Jan Hubicka  <hubicka@ucw.cz>
3905
3906         * profile.c: Include cfgloop.h.
3907         (branch_prob): Compute estimated number of iterations.
3908         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop): Do not
3909         recompute estimate number of iterations from profile.
3910
3911 2016-06-10  Bernd Edlinger  <bernd.edlinger@hotmail.de>
3912
3913         PR inline-asm/68843
3914         * reg-stack.c (check_asm_stack_operands): Explicit input arguments
3915         must be grouped on top of stack.  Don't force early clobber
3916         on ordinary reg outputs.
3917
3918 2016-06-10  Richard Biener  <rguenther@suse.de>
3919
3920         * targhooks.c (default_builtin_vectorization_cost): Adjust
3921         vec_construct cost.
3922
3923 2016-06-10  Richard Biener  <rguenther@suse.de>
3924
3925         * gimple-fold.c (gimple_fold_builtin_memory_op): Make sure
3926         to fold the RHS to a constant if possible.
3927
3928 2016-06-10  Thomas Schwinge  <thomas@codesourcery.com>
3929
3930         PR middle-end/71373
3931         * tree-nested.c (convert_nonlocal_omp_clauses)
3932         (convert_local_omp_clauses): Handle OMP_CLAUSE_ASYNC,
3933         OMP_CLAUSE_WAIT, OMP_CLAUSE_INDEPENDENT, OMP_CLAUSE_AUTO,
3934         OMP_CLAUSE__CACHE_, OMP_CLAUSE_TILE.
3935
3936         * gimplify.c (gimplify_adjust_omp_clauses): Discard
3937         OMP_CLAUSE_TILE.
3938         * omp-low.c (scan_sharing_clauses): Don't expect OMP_CLAUSE_TILE.
3939
3940         * omp-low.c (scan_sharing_clauses): Don't expect
3941         OMP_CLAUSE__CACHE_.
3942
3943 2016-06-10  Alan Hayward  <alan.hayward@arm.com>
3944
3945         PR tree-optimization/71407
3946         PR tree-optimization/71416
3947         * tree-vect-loop.c (vectorizable_live_operation): Use vectype for
3948         BIT_FIELD_REF type.
3949
3950 2016-06-10  Richard Biener  <rguenther@suse.de>
3951
3952         PR middle-end/71477
3953         * cfgloop.c (alloc_loop): Initialize nb_iterations_likely_upper_bound.
3954
3955 2016-06-09  Eric Botcazou  <ebotcazou@adacore.com>
3956
3957         * df-problems.c (df_note_bb_compute): Guard use of DF_INSN_INFO_GET.
3958
3959 2016-06-09  Vladimir Makarov  <vmakarov@redhat.com>
3960             Jiong Wang  <jiong.wang@arm.com>
3961
3962         PR rtl-optimization/70751
3963         * lra-constraints.c (process_alt_operands): Recognize Non-pseudo
3964         spilled into memory.
3965
3966 2016-06-09  Jonathan Yong  <10walls@gmail.com>
3967
3968         Revert:
3969         2015-09-21  Jonathan Yong  <10walls@gmail.com>
3970
3971         * config/i386/cygwin.h (STARTFILE_SPEC): Explicitly search
3972         sysroot/usr/lib/32api for additional win32 libraries,
3973         fixes failing Cygwin bootstrapping.
3974
3975 2016-06-09  Marcin Baczyński  <marbacz@gmail.com>
3976
3977         * diagnostic.h (diagnostic_line_cutoff, diagnostic_flush_buffer):
3978         Delete.
3979
3980 2016-06-09  David Malcolm  <dmalcolm@redhat.com>
3981
3982         PR bootstrap/71471
3983         * pretty-print.c (pp_indent): Specify that %p is printed in a
3984         host-dependent manner.
3985         (test_pp_format): Remove the test for %p.
3986
3987 2016-06-09  Maciej W. Rozycki  <macro@imgtec.com>
3988
3989         * config/mips/mips.c (mips_output_jump): Fix formatting.
3990
3991 2016-06-09  Richard Biener  <rguenther@suse.de>
3992
3993         PR tree-optimization/71462
3994         * tree-ssa-loop-manip.c (find_uses_to_rename): Guard against
3995         removed blocks.
3996
3997 2016-06-09  Martin Liska  <mliska@suse.cz>
3998
3999         * predict.c (dump_prediction): Add new argument.
4000         (enum predictor_reason): New enum.
4001         (struct predictor_hash): New struct.
4002         (predictor_hash::hash): New function.
4003         (predictor_hash::equal): Likewise.
4004         (not_removed_prediction_p): New function.
4005         (prune_predictions_for_bb): Likewise.
4006         (combine_predictions_for_bb): Prune predictions.
4007
4008 2016-06-09  Martin Liska  <mliska@suse.cz>
4009
4010         * predict.c (filter_predictions): New function.
4011         (remove_predictions_associated_with_edge): Use the filter
4012         function.
4013         (equal_edge_p): New function.
4014
4015 2016-06-09  Stefan Bruens  <stefan.bruens@rwth-aachen.de>
4016
4017         * doc/invoke.texi (ARM Options): Use lexicographical ordering.
4018         Correct usage of @samp vs @option, add @samp where appropriate.
4019         Add -march={armv6k,armv6z,arm6zk}, remove -march=ep9312.
4020         Add armv6s-m and document it, as it is no official ARM name.
4021
4022 2016-06-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4023
4024         * ifcvt.c (struct noce_if_info): Add transform_name field.
4025         (noce_try_move): Set if_info->transform_name to the function name.
4026         (noce_try_ifelse_collapse): Likewise.
4027         (noce_try_store_flag): Likewise.
4028         (noce_try_inverse_constants): Likewise.
4029         (noce_try_store_flag_constants): Likewise.
4030         (noce_try_addcc): Likewise.
4031         (noce_try_store_flag_mask): Likewise.
4032         (noce_try_cmove): Likewise.
4033         (noce_try_cmove_arith): Likewise.
4034         (noce_try_minmax): Likewise.
4035         (noce_try_abs): Likewise.
4036         (noce_try_sign_mask): Likewise.
4037         (noce_try_bitop): Likewise.
4038         (noce_convert_multiple_sets): Likewise.
4039         (noce_process_if_block): Print if_info->transform_name to
4040         dump_file if transformation succeeded.
4041
4042 2016-06-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4043
4044         * config/arm/cortex-a57.md (cortex_a57_alu):
4045         Handle csel type.
4046
4047 2016-06-08  Martin Sebor  <msebor@redhat.com>
4048             Jakub Jelinek  <jakub@redhat.com>
4049
4050         PR c++/70507
4051         PR c/68120
4052         * builtins.def (BUILT_IN_ADD_OVERFLOW_P, BUILT_IN_SUB_OVERFLOW_P,
4053         BUILT_IN_MUL_OVERFLOW_P): New builtins.
4054         * builtins.c: Include gimple-fold.h.
4055         (fold_builtin_arith_overflow): Handle
4056         BUILT_IN_{ADD,SUB,MUL}_OVERFLOW_P.
4057         (fold_builtin_3): Likewise.
4058         * doc/extend.texi (Integer Overflow Builtins): Document
4059         __builtin_{add,sub,mul}_overflow_p.
4060
4061 2016-06-08  Jose E. Marchesi  <jose.marchesi@oracle.com>
4062
4063         * config/sparc/driver-sparc.c (cpu_names): Fix the entry for the
4064         SPARC-M7 and add an entry for SPARC-S7 cpus (Sonoma).
4065
4066 2016-06-08  Alan Lawrence  <alan.lawrence@arm.com>
4067
4068         * config/aarch64/aarch64.c (aarch64_function_arg_alignment):
4069         Rewrite, looking one level down for records and arrays.
4070
4071 2016-06-08  David Malcolm  <dmalcolm@redhat.com>
4072
4073         * pretty-print.c: Include "selftest.h".
4074         (pp_format): Fix comment.
4075         (identifier_to_locale): Likewise.
4076         (selftest::test_basic_printing): New function.
4077         (selftest::assert_pp_format): New function.
4078         (selftest::test_pp_format): New function.
4079         (selftest::pretty_print_c_tests): New function.
4080         * selftest-run-tests.c (selftest::run_tests): Call
4081         selftest::pretty_print_c_tests.
4082         * selftest.h (pretty_print_c_tests): New declaration.
4083
4084 2016-06-07  Jan Hubicka  <hubicka@ucw.cz>
4085
4086         * invoke.texi (max-loop-headers-insns): Document.
4087         * params.def (PARAM_MAX_LOOP_HEADER_INSNS): New.
4088         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Update comment.
4089         (ch_base::copy_headers): Use PARAM_MAX_LOOP_HEADER_INSNS.
4090
4091 2016-06-08  Richard Biener  <rguenther@suse.de>
4092
4093         * tree-vect-stmts.c (vectorizable_load): Remove restrictions
4094         on strided SLP loads and fall back to scalar loads in case
4095         we can't chunk them.
4096
4097 2016-06-08  Richard Biener  <rguenther@suse.de>
4098
4099         PR tree-optimization/71452
4100         * tree-ssa.c (non_rewritable_lvalue_p): Make sure that the
4101         type used for the SSA rewrite has enough precision to cover
4102         the dynamic type of the location.
4103
4104 2016-06-08  Jakub Jelinek  <jakub@redhat.com>
4105             Richard Biener  <rguenther@suse.de>
4106
4107         PR c++/71448
4108         * fold-const.c (fold_comparison): Handle CONSTANT_CLASS_P (base0)
4109         the same as DECL_P (base0) for indirect_base0.  Use equality_code
4110         in one further place.
4111
4112 2016-06-08  Richard Sandiford  <richard.sandiford@arm.com>
4113
4114         * expmed.c (store_bit_field_1): Do not restrict a multiword op0
4115         to one word if the field is known to overlap other words.
4116         (extract_bit_field_1): Likewise.
4117         (store_split_bit_field): Remove compensating code.
4118         (extract_split_bit_field): Likewise.
4119
4120 2016-06-08  Bernd Schmidt  <bschmidt@redhat.com>
4121
4122         PR debug/71432
4123         PR ada/71413
4124         * tree-ssa-strlen.c (handle_builtin_memcmp): Ignore debug insns.
4125
4126 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
4127
4128         * config/aarch64/aarch64-builtins.def (faddp): New builtins for modes in
4129         VDQF.
4130         * config/aarch64/aarch64-simd.md (aarch64_faddp<mode>): New.
4131         (arch64_addpv4sf): Delete.
4132         (reduc_plus_scal_v4sf): Use "gen_aarch64_faddpv4sf" instead of
4133         "gen_aarch64_addpv4sf".
4134         * config/aarch64/arm_neon.h (vpadd_f32): Remove inline assembly.  Use
4135         builtin.
4136         (vpadds_f32): Likewise.
4137         (vpaddq_f32): Likewise.
4138         (vpaddq_f64): Likewise.
4139
4140 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
4141
4142         * config/aarch64/aarch64-builtins.def (fabd): New builtins for modes
4143         VALLF.
4144         * config/aarch64/aarch64-simd.md (fabd<mode>_3): Extend modes from VDQF
4145         to VALLF.  Rename to "fabd<mode>3".
4146         "*fabd_scalar<mode>3): Delete.
4147         * config/aarch64/arm_neon.h (vabds_f32): Remove inline assembly.
4148         Use builtin.
4149         (vabdd_f64): Likewise.
4150         (vabd_f32): Likewise.
4151         (vabd_f64): Likewise.
4152         (vabdq_f32): Likewise.
4153         (vabdq_f64): Likewise.
4154
4155 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
4156
4157         * config/aarch64/aarch64-builtins.def (rsqrts): New builtins for modes
4158         VALLF.
4159         * config/aarch64/aarch64-simd.md (aarch64_rsqrts_<mode>3): Rename to
4160         "aarch64_rsqrts<mode>".
4161         * config/aarch64/aarch64.c (get_rsqrts_type): Update gen* name.
4162         * config/aarch64/arm_neon.h (vrsqrtss_f32): Remove inline assembly.  Use
4163         builtin.
4164         (vrsqrtsd_f64): Likewise.
4165         (vrsqrts_f32): Likewise.
4166         (vrsqrts_f64): Likewise.
4167         (vrsqrtsq_f32): Likewise.
4168         (vrsqrtsq_f64): Likewise.
4169
4170 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
4171
4172         * config/aarch64/aarch64-builtins.def (rsqrte): New builtins for modes
4173         VALLF.
4174         * config/aarch64/aarch64-simd.md (aarch64_rsqrte_<mode>2): Rename to
4175         "aarch64_rsqrte<mode>".
4176         * config/aarch64/aarch64.c (get_rsqrte_type): Update gen* name.
4177         * config/aarch64/arm_neon.h (vrsqrts_f32): Remove inline assembly.  Use
4178         builtin.
4179         (vrsqrted_f64): Likewise.
4180         (vrsqrte_f32): Likewise.
4181         (vrsqrte_f64): Likewise.
4182         (vrsqrteq_f32): Likewise.
4183         (vrsqrteq_f64): Likewise.
4184
4185 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
4186
4187         * config/aarch64/aarch64-builtins.def (scvtf): Register vector modes.
4188         (ucvtf): Likewise.
4189         (fcvtzs): Likewise.
4190         (fcvtzu): Likewise.
4191         * config/aarch64/aarch64-simd.md
4192         (<FCVT_F2FIXED:fcvt_fixed_insn><VDQF:mode>3): New.
4193         (<FCVT_FIXED2F:fcvt_fixed_insn><VDQ_SDI:mode>3): Likewise.
4194         * config/aarch64/arm_neon.h (vcvt_n_f32_s32): Remove inline assembly.
4195         Use builtin.
4196         (vcvt_n_f32_u32): Likewise.
4197         (vcvt_n_s32_f32): Likewise.
4198         (vcvt_n_u32_f32): Likewise.
4199         (vcvtq_n_f32_s32): Likewise.
4200         (vcvtq_n_f32_u32): Likewise.
4201         (vcvtq_n_f64_s64): Likewise.
4202         (vcvtq_n_f64_u64): Likewise.
4203         (vcvtq_n_s32_f32): Likewise.
4204         (vcvtq_n_s64_f64): Likewise.
4205         (vcvtq_n_u32_f32): Likewise.
4206         (vcvtq_n_u64_f64): Likewise.
4207         * config/aarch64/iterators.md (VDQ_SDI): New mode iterator.
4208         (VSDQ_SDI): Likewise.
4209         (fcvt_target): Support V4DI, V4SI and V2SI.
4210         (FCVT_TARGET): Likewise.
4211
4212 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
4213
4214         * config/aarch64/aarch64-builtins.c (TYPES_BINOP_USS): New
4215         (TYPES_BINOP_SUS): Likewise.
4216         (aarch64_simd_builtin_data): Update include file name.
4217         (aarch64_builtins): Likewise.
4218         * config/aarch64/aarch64-simd-builtins.def (scvtf): New entries
4219         for conversion between scalar float-point and fixed-point.
4220         (ucvtf): Likewise.
4221         (fcvtzs): Likewise.
4222         (fcvtzu): Likewise.
4223         * config/aarch64/aarch64.md
4224         (<FCVT_F2FIXED:fcvt_fixed_insn><GPF:mode>3: New
4225         pattern for conversion between scalar float to fixed-pointer.
4226         (<FCVT_FIXED2F:fcvt_fixed_insn><GPI:mode>: Likewise.
4227         (UNSPEC_FCVTZS): New UNSPEC enumeration.
4228         (UNSPEC_FCVTZU): Likewise.
4229         (UNSPEC_SCVTF): Likewise.
4230         (UNSPEC_UCVTF): Likewise.
4231         * config/aarch64/arm_neon.h (vcvtd_n_f64_s64): Remove inline assembly.
4232         Use builtin.
4233         (vcvtd_n_f64_u64): Likewise.
4234         (vcvtd_n_s64_f64): Likewise.
4235         (vcvtd_n_u64_f64): Likewise.
4236         (vcvtd_n_f32_s32): Likewise.
4237         (vcvts_n_f32_u32): Likewise.
4238         (vcvtd_n_s32_f32): Likewise.
4239         (vcvts_n_u32_f32): Likewise.
4240         * config/aarch64/iterators.md (fcvt_target): Support integer to float
4241         mapping.
4242         (FCVT_TARGET): Likewise.
4243         (FCVT_FIXED2F): New iterator.
4244         (FCVT_F2FIXED): Likewise.
4245         (fcvt_fixed_insn): New define_int_attr.
4246
4247 2016-06-07  Jan Hubicka  <hubicka@ucw.cz>
4248
4249         * predict.c (pass_strip_predict_hints::execute): Cleanup CFG if
4250         some statements was removed.
4251
4252 2016-06-08  Alan Hayward  <alan.hayward@arm.com>
4253
4254         * tree-vect-data-refs.c (vect_analyze_data_refs): Remove debug newline.
4255         * tree-vect-loop-manip.c (slpeel_make_loop_iterate_ntimes): likewise.
4256         (vect_can_advance_ivs_p): likewise.
4257         (vect_update_ivs_after_vectorizer): likewise.
4258         * tree-vect-loop.c (vect_determine_vectorization_factor): likewise.
4259         (vect_analyze_scalar_cycles_1): likewise.
4260         (vect_analyze_loop_operations): likewise.
4261         (report_vect_op): likewise.
4262         (vect_is_slp_reduction): likewise.
4263         (vect_is_simple_reduction): likewise.
4264         (get_initial_def_for_induction): likewise.
4265         (vect_transform_loop): likewise.
4266         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): likewise.
4267         (vect_recog_sad_pattern): likewise.
4268         (vect_recog_widen_sum_pattern): likewise.
4269         (vect_recog_widening_pattern): likewise.
4270         (vect_recog_divmod_pattern): likewise.
4271         * tree-vect-slp.c (vect-build-slp_tree_1): likewise.
4272         (vect_analyze_slp_instance): likewise.
4273         (vect_transform_slp_perm_load): likewise.
4274         (vect_schedule_slp_instance): likewise.
4275
4276 2016-06-07  Jan Hubicka  <hubicka@ucw.cz>
4277
4278         * predict.c (predict_iv_comparison): Mention that heuristics is broken.
4279         (return_prediction): PRED_CONST_RETURN predict return as not taken.
4280         * predict.def (PRED_CONTINUE): Change hitrate 50->67
4281         (PRED_LOOP_BRANCH): Document predictor as broken.
4282         (PRED_LOOP_EXIT): Change hitrate 91->92.
4283         (PRED_LOOP_EXTRA_EXIT): Change hitrate 91->83.
4284         (PRED_POINTER, PRED_TREE_POINTER): Change hitrate 85->70.
4285         (PRED_OPCODE_POSITIVE): Change hitrate 79->64.
4286         (PRED_OPCODE_NONEQUAL): Change hitrate 91->66.
4287         (PRED_TREE_OPCODE_POSITIVE): Change hitrate 73->64
4288         (PRED_TREE_OPCODE_NONEQUAL): Chnage hitrate 72->66
4289         (PRED_CALL): Chane hitrate 71->67.
4290         (PRED_TREE_EARLY_RETURN): Document issues, change hitrate 61->54.
4291         (PRED_GOTO): Document as unused right now.
4292         (PRED_CONST_RETURN): Change hitrate 67->69
4293         (PRED_NEGATIVE_RETURN): Change hitrate 96->98
4294         (PRED_NULL_RETURN): Change hitrate 91->90.
4295         (PRED_LOOP_IV_COMPARE_GUESS): Change hitrate to 98.
4296         (PRED_FORTRAN_FAIL_ALLOC): Change hitrate to 62; document issues.
4297         (PRED_FORTRAN_SIZE_ZERO): Change hitrate to 99.
4298
4299 2016-06-07  Bill Seurer  <seurer@linux.vnet.ibm.com>
4300
4301         * config/rs6000/altivec.h: Add __builtin_vec_mul.
4302         * config/rs6000/rs6000-builtin.def (vec_mul): Change vec_mul to a
4303         special case Altivec builtin.
4304         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Remove
4305         VSX_BUILTIN_VEC_MUL (replaced with special case code).
4306         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
4307         code for ALTIVEC_BUILTIN_VEC_MUL.
4308         * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
4309         for __builtin_vec_mul.
4310
4311 2016-06-07  Peter Bergner  <bergner@vnet.ibm.com>
4312
4313         * doc/invoke.texi (RS/6000 and PowerPC Options): Document -mhtm and
4314         -mno-htm.
4315
4316 2016-06-07  David Malcolm  <dmalcolm@redhat.com>
4317
4318         * spellcheck.c (selftest::test_find_closest_string): New function.
4319         (spellcheck_c_tests): Call the above.
4320
4321 2016-06-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4322
4323         * simplify-rtx.c (simplify_cond_clz_ctz): Delete 'mode' local variable.
4324
4325 2016-06-07  Jakub Jelinek  <jakub@redhat.com>
4326
4327         * config/i386/sse.md (avx_vec_concat<mode>): Add v=v,vm and
4328         Yv=Yv,C alternatives.
4329
4330 2016-06-07  Richard Biener  <rguenther@suse.de>
4331
4332         PR c/61564
4333         * common.opt (ffast-math): Make Optimization.
4334
4335 2016-06-07  Simon Dardis  <simon.dardis@imgtec.com>
4336             Prachi Godbole  <prachi.godbole@imgtec.com>
4337
4338         * config/mips/p5600.md (p5600_fpu_fadd): Remove checking for
4339         `fabs' and `fneg' type attributes.
4340         (p5600_fpu_fabs): Add `fmove' to the comment.
4341
4342 2016-06-07  Jan Hubicka  <hubicka@ucw.cz>
4343
4344         * gimple.c: Include builtins.h
4345         (gimple_inexpensive_call_p): New function.
4346         * gimple.h (gimple_inexpensive_call_p): Declare.
4347         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Use it.
4348         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Likewise;
4349         fix formatting.
4350
4351 2016-06-07  Paolo Carlini  <paolo.carlini@oracle.com>
4352
4353         * diagnostic.c (diagnostic_impl, diagnostic_n_impl): New.
4354         (inform, inform_at_rich_loc, inform_n, warning, warning_at,
4355         warning_at_rich_loc, warning_n, pedwarn, permerror,
4356         permerror_at_rich_loc, error, error_n, error_at, error_at_rich_loc,
4357         sorry, fatal_error, internal_error, internal_error_no_backtrace):
4358         Use the above.
4359
4360 2016-06-07  Richard Biener  <rguenther@suse.de>
4361
4362         PR tree-optimization/71428
4363         * tree-ssa-math-opts.c (perform_symbolic_merge): Properly distinguish
4364         BIT_FIELD_REF op vs. load.
4365
4366 2016-06-07  Richard Biener  <rguenther@suse.de>
4367
4368         PR middle-end/71423
4369         * match.pd ((X | ~Y) -> Y <= X): Properly invert the comparison
4370         for signed ops.
4371
4372 2016-06-06  John David Anglin  <danglin@gcc.gnu.org>
4373
4374         * config/pa/pa.md (call): Generate indirect long calls to non-local
4375         functions on TARGET_64BIT.
4376         (call_value): Likewise.
4377
4378 2016-06-06  John David Anglin  <danglin@gcc.gnu.org>
4379
4380         * config/pa/pa.md (call_val_reg_64bit): Remove "reg: DI " clobber from
4381         pattern and subsequent splitters.
4382         (call_val_reg_64bit_post_reload): Likewise.
4383
4384 2016-06-07  Kugan Vivekanandarajah  <kuganv@linaro.org>
4385
4386         PR middle-end/71408
4387         * tree-ssa-reassoc.c (zero_one_operation): Fix NEGATE_EXPR operand for
4388         propagate_op_to_single_use.
4389
4390 2016-06-07  Kugan Vivekanandarajah  <kuganv@linaro.org>
4391
4392         PR middle-end/71281
4393         * tree-ssa-reassoc.c (reassociate_bb): Set uid for negate stmt.
4394
4395 2016-06-07  Uros Bizjak  <ubizjak@gmail.com>
4396
4397         * config/i386/i386.h (enum ix86_enitity): Add X86_DIRFLAG.
4398         (enum x86_dirflag_state): New enum.
4399         (NUM_MODES_FOR_MODE_SWITCHING): Add X86_DIRFLAG_ANY.
4400         (machine_function): Remove needs_cld.
4401         (ix86_current_function_needs_cld): Remove.
4402         * config/i386/i386.c (ix86_set_func_type): Set
4403         ix86_optimize_mode_switching[X86_DIRFLAG] to 1.
4404         (ix86_expand_prologue): Do not emit CLD here.
4405         (ix86_dirflag_mode_needed): New function.
4406         (ix86_dirflag_mode_entry): Ditto.
4407         (ix86_mode_needed): Handle X86_DIRFLAG entity.
4408         (ix86_mode_after): Ditto.
4409         (ix86_mode_entry): Ditto.
4410         (ix86_mode_exit): Ditto.
4411         (ix86_emit_mode_set): Ditto.
4412         * config/i386/i386.md (strmov_singleop): Set
4413         ix86_optimize_mode_switching[X86_DIRFLAG] to 1 for TARGET_CLD.
4414         Do not set ix86_current_function_needs_cld.
4415         (rep_mov): Ditto.
4416         (strset_singleop): Ditto.
4417         (rep_stos): Ditto.
4418         (cmpstrnqi_nz_1): Ditto.
4419         (cmpstrnqi_1): Ditto.
4420         (strlenqi_1): Ditto.
4421
4422 2016-06-06  Jakub Jelinek  <jakub@redhat.com>
4423
4424         PR tree-optimization/71259
4425         * tree-vect-slp.c (vect_get_constant_vectors): For
4426         VECTOR_BOOLEAN_TYPE_P, return all ones constant instead of
4427         one for constant op, and use COND_EXPR for non-constant.
4428
4429 2016-06-06  David Malcolm  <dmalcolm@redhat.com>
4430
4431         * Makefile.in (OBJS): Add function-tests.o,
4432         hash-map-tests.o, hash-set-tests.o, rtl-tests.o,
4433         selftest-run-tests.o.
4434         (OBJS-libcommon): Add selftest.o.
4435         (OBJS-libcommon-target): Add selftest.o.
4436         (all.internal): Add "selftest".
4437         (all.cross): Likewise.
4438         (selftest): New phony target.
4439         (s-selftest): New target.
4440         (selftest-gdb): New phony target.
4441         (COLLECT2_OBJS): Add selftest.o.
4442         * bitmap.c: Include "selftest.h".
4443         (selftest::test_gc_alloc): New function.
4444         (selftest::test_set_range): New function.
4445         (selftest::test_clear_bit_in_middle): New function.
4446         (selftest::test_copying): New function.
4447         (selftest::test_bitmap_single_bit_set_p): New function.
4448         (selftest::bitmap_c_tests): New function.
4449         * common.opt (fself-test): New.
4450         * diagnostic-show-locus.c: Include "selftest.h".
4451         (make_range): New function.
4452         (test_range_contains_point_for_single_point): New function.
4453         (test_range_contains_point_for_single_line): New function.
4454         (test_range_contains_point_for_multiple_lines): New function.
4455         (assert_eq): New function.
4456         (test_get_line_width_without_trailing_whitespace): New function.
4457         (selftest::diagnostic_show_locus_c_tests): New function.
4458         * et-forest.c: Include "selftest.h".
4459         (selftest::test_single_node): New function.
4460         (selftest::test_simple_tree): New function.
4461         (selftest::test_disconnected_nodes): New function.
4462         (selftest::et_forest_c_tests): New function.
4463         * fold-const.c: Include "selftest.h".
4464         (selftest::assert_binop_folds_to_const): New function.
4465         (selftest::assert_binop_folds_to_nonlvalue): New function.
4466         (selftest::test_arithmetic_folding): New function.
4467         (selftest::fold_const_c_tests): New function.
4468         * function-tests.c: New file.
4469         * gimple.c: Include "selftest.h".
4470         Include "gimple-pretty-print.h".
4471         (selftest::verify_gimple_pp): New function.
4472         (selftest::test_assign_single): New function.
4473         (selftest::test_assign_binop): New function.
4474         (selftest::test_nop_stmt): New function.
4475         (selftest::test_return_stmt): New function.
4476         (selftest::test_return_without_value): New function.
4477         (selftest::gimple_c_tests): New function.
4478         * hash-map-tests.c: New file.
4479         * hash-set-tests.c: New file.
4480         * input.c: Include "selftest.h".
4481         (selftest::assert_loceq): New function.
4482         (selftest::test_accessing_ordinary_linemaps): New function.
4483         (selftest::test_unknown_location): New function.
4484         (selftest::test_builtins): New function.
4485         (selftest::test_reading_source_line): New function.
4486         (selftest::input_c_tests): New function.
4487         * rtl-tests.c: New file.
4488         * selftest-run-tests.c: New file.
4489         * selftest.c: New file.
4490         * selftest.h: New file.
4491         * spellcheck.c: Include "selftest.h".
4492         (selftest::levenshtein_distance_unit_test_oneway): New function,
4493         adapted from testsuite/gcc.dg/plugin/levenshtein_plugin.c.
4494         (selftest::levenshtein_distance_unit_test): Likewise.
4495         (selftest::spellcheck_c_tests): Likewise.
4496         * toplev.c: Include selftest.h.
4497         (toplev::run_self_tests): New.
4498         (toplev::main): Handle -fself-test.
4499         * toplev.h (toplev::run_self_tests): New.
4500         * tree.c: Include "selftest.h".
4501         (selftest::test_integer_constants): New function.
4502         (selftest::test_identifiers): New function.
4503         (selftest::test_labels): New function.
4504         (selftest::tree_c_tests): New function.
4505         * tree-cfg.c: Include "selftest.h".
4506         (selftest::push_fndecl): New function.
4507         (selftest::test_linear_chain): New function.
4508         (selftest::test_diamond): New function.
4509         (selftest::test_fully_connected): New function.
4510         (selftest::tree_cfg_c_tests): New function.
4511         * vec.c: Include "selftest.h".
4512         (selftest::safe_push_range): New function.
4513         (selftest::test_quick_push): New function.
4514         (selftest::test_safe_push): New function.
4515         (selftest::test_truncate): New function.
4516         (selftest::test_safe_grow_cleared): New function.
4517         (selftest::test_pop): New function.
4518         (selftest::test_safe_insert): New function.
4519         (selftest::test_ordered_remove): New function.
4520         (selftest::test_unordered_remove): New function.
4521         (selftest::test_block_remove): New function.
4522         (selftest::reverse_cmp): New function.
4523         (selftest::test_qsort): New function.
4524         (selftest::vec_c_tests): New function.c.
4525         * wide-int.cc: Include selftest.h and wide-int-print.h.
4526         (selftest::from_int <wide_int>): New function.
4527         (selftest::from_int <offset_int>): New function.
4528         (selftest::from_int <widest_int>): New function.
4529         (selftest::assert_deceq): New function.
4530         (selftest::assert_hexeq): New function.
4531         (selftest::test_printing <VALUE_TYPE>): New function template.
4532         (selftest::test_ops <VALUE_TYPE>): New function template.
4533         (selftest::test_comparisons <VALUE_TYPE>): New function template.
4534         (selftest::run_all_wide_int_tests <VALUE_TYPE>): New function
4535         template.
4536         (selftest::wide_int_cc_tests): New function.
4537
4538 2016-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4539
4540         PR middle-end/37780
4541         * ifcvt.c (noce_try_ifelse_collapse): New function.
4542         Declare prototype.
4543         (noce_process_if_block): Call noce_try_ifelse_collapse.
4544         * simplify-rtx.c (simplify_cond_clz_ctz): New function.
4545         (simplify_ternary_operation): Use the above to simplify
4546         conditional CLZ/CTZ expressions.
4547
4548 2016-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4549
4550         PR middle-end/37780
4551         * config/aarch64/aarch64.md (ctz<mode>2): Convert to
4552         define_insn_and_split.
4553
4554 2016-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4555
4556         PR middle-end/37780
4557         * config/arm/arm.md (ctzsi2): Convert to define_insn_and_split.
4558
4559 2016-06-06  Bernd Edlinger  <bernd.edlinger@hotmail.de>
4560
4561         PR c/24414
4562         * cfgexpand.c (expand_asm_loc): Remove handling for ADDR_EXPR.
4563         Implicitly clobber memory for basic asm with non-empty assembler
4564         string.  Use targetm.md_asm_adjust also here.
4565         * compare-elim.c (arithmetic_flags_clobber_p): Use asm_noperands here.
4566         * final.c (final_scan_insn): Handle basic asm in PARALLEL block.
4567         * gimple.c (gimple_asm_clobbers_memory_p): Handle basic asm with
4568         non-empty assembler string.
4569         * ira.c (compute_regs_asm_clobbered): Use asm_noperands here.
4570         * recog.c (asm_noperands): Handle basic asm in PARALLEL block.
4571         (decode_asm_operands): Handle basic asm in PARALLEL block.
4572         (extract_insn): Handle basic asm in PARALLEL block.
4573         * doc/extend.texi: Mention new behavior of basic asm.
4574         * config/ia64/ia64 (rtx_needs_barrier): Handle ASM_INPUT here.
4575         * config/pa/pa.c (branch_to_delay_slot_p, branch_needs_nop_p,
4576         branch_needs_nop_p): Use asm_noperands.
4577
4578 2016-06-06  Jose E. Marchesi  <jose.marchesi@oracle.com>
4579
4580         * config/sparc/sparc.md (cpu): Add niagara7 cpu type.
4581         Include the M7 SPARC DFA scheduler.
4582         New attribute v3pipe.
4583         Annotate insns with v3pipe where appropriate.
4584         Define cpu_feature vis4.
4585         Add lzd instruction type and set it on clzdi_sp64 and clzsi_sp64.
4586         Add (V8QI "8") to vbits.
4587         Add insns {add,sub}v8qi3
4588         Add insns ss{add,sub}v8qi3
4589         Add insns us{add,sub}{v8qi,v4hi}3
4590         Add insns {min,max}{v8qi,v4hi,v2si}3
4591         Add insns {minu,maxu}{v8qi,v4hi,v2si}3
4592         Add insns fpcmp{le,gt,ule,ug,ule,ugt}{8,16,32}_vis.
4593         * config/sparc/niagara4.md: Add a comment explaining the
4594         discrepancy between the documented latenty numbers and the
4595         implemented ones.
4596         * config/sparc/niagara7.md: New file.
4597         * configure.ac (HAVE_AS_SPARC5_VIS4): Define if the assembler
4598         supports SPARC5 and VIS 4.0 instructions.
4599         * configure: Regenerate.
4600         * config.in: Likewise.
4601         * config.gcc: niagara7 is a supported cpu in sparc*-*-* targets.
4602         * config/sparc/sol2.h (ASM_CPU32_DEFAUILT_SPEC): Set for
4603         TARGET_CPU_niagara7.
4604         (ASM_CPU64_DEFAULT_SPEC): Likewise.
4605         (CPP_CPU_SPEC): Handle niagara7.
4606         (ASM_CPU_SPEC): Likewise.
4607         * config/sparc/sparc-opts.h (processor_type): Add
4608         PROCESSOR_NIAGARA7.
4609         (mvis4): New option.
4610         * config/sparc/sparc.h (TARGET_CPU_niagara7): Define.
4611         (AS_NIAGARA7_FLAG): Define.
4612         (ASM_CPU64_DEFAULT_SPEC): Set for niagara7.
4613         (CPP_CPU64_DEFAULT_SPEC): Likewise.
4614         (CPP_CPU_SPEC): Handle niagara7.
4615         (ASM_CPU_SPEC): Likewise.
4616         * config/sparc/sparc.c (niagara7_costs): Define.
4617         (sparc_option_override): Handle niagara7 and adjust cache-related
4618         parameters with better values for niagara cpus.  Also support VIS4.
4619         (sparc32_initialize_trampoline): Likewise.
4620         (sparc_use_sched_lookahead): Likewise.
4621         (sparc_issue_rate): Likewise.
4622         (sparc_register_move_cost): Likewise.
4623         (dump_target_flag_bits): Support VIS4.
4624         (sparc_vis_init_builtins): Likewise.
4625         (sparc_builtins): Likewise.
4626         * config/sparc/sparc-c.c (sparc_target_macros): Define __VIS__ for
4627         VIS4 4.0.
4628         * config/sparc/driver-sparc.c (cpu_names): Add SPARC-M7 and
4629         UltraSparc M7.
4630         * config/sparc/sparc.opt (sparc_processor_type): New value
4631         niagara7.
4632         * config/sparc/visintrin.h (__attribute__): Prototypes for the
4633         VIS4 builtins.
4634         * doc/invoke.texi (SPARC Options): Document -mcpu=niagara7 and
4635         -mvis4.
4636         * doc/extend.texi (SPARC VIS Built-in Functions): Document the
4637         VIS4 builtins.
4638
4639 2016-06-06  Jonathan Wakely  <jwakely@redhat.com>
4640
4641         * doc/sourcebuild.texi (Directives): Remove extra closing braces.
4642
4643 2016-06-06  Richard Biener  <rguenther@suse.de>
4644
4645         PR tree-optimization/71398
4646         * tree-ssa-loop-ivcanon.c (unloop_loops): First unloop, then
4647         remove edges.
4648
4649 2016-06-05  James Bowman  <james.bowman@ftdichip.com>
4650
4651         * config/ft32/ft32.c (ft32_setup_incoming_varargs,
4652         ft32_expand_prolog, ft32_expand_epilogue):
4653         Handle pretend_args.
4654         * config/ft32/ft32.h: Remove OUTGOING_REG_PARM_STACK_SPACE.
4655         * config/ft32/ft32.md: Add pretend_returner.
4656
4657 2016-06-06  Uros Bizjak  <ubizjak@gmail.com>
4658
4659         PR target/71389
4660         * config/i386/i386.c (ix86_avx256_split_vector_move_misalign):
4661         Copy op1 RTX to avoid invalid sharing.
4662         (ix86_expand_vector_move_misalign): Ditto.
4663
4664 2016-06-05  John David Anglin  <danglin@gcc.gnu.org>
4665
4666         * expr.c (move_by_pieces_d::generate): Mark mode parameter with
4667         ATTRIBUTE_UNUSED.
4668
4669 2016-06-05  Jan Hubicka  <hubicka@ucw.cz>
4670
4671         * predict.c (predicted_by_loop_heuristics_p): New function.
4672         (predict_iv_comparison): Use it.
4673         (predict_loops): Walk from innermost loops; do not predict edges
4674         leaving multiple loops multiple times; implement
4675         PRED_LOOP_ITERATIONS_MAX heuristics.
4676         * predict.def (PRED_LOOP_ITERATIONS_MAX): New predictor.
4677
4678 2016-06-05  Jan Hubicka  <hubicka@ucw.cz>
4679
4680         * cfg.c (check_bb_profile): Do not report mismatched profiles when
4681         only edges out of BB are EH edges.
4682
4683 2016-06-04  Martin Sebor  <msebor@redhat.com>
4684             Marcin Baczyński  <marbacz@gmail.com>
4685
4686         PR c/48116
4687         * doc/invoke.texi (-Wreturn-type): Mention not warning on return with
4688         a void expression in a void function.
4689
4690 2016-06-03  Jan Hubicka  <hubicka@ucw.cz>
4691
4692         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Do not check
4693         aux; dump reasons of decisions.
4694         (should_duplicate_loop_header_p): Likewise.
4695         (do_while_loop_p): Likewise.
4696         (ch_base::copy_headers): Dump asi num insns duplicated.
4697
4698 2016-06-04  Jakub Jelinek  <jakub@redhat.com>
4699
4700         PR tree-optimization/71405
4701         * tree-ssa.c (execute_update_addresses_taken): For clobber with
4702         incompatible type, build a new clobber with the right type instead
4703         of building a VIEW_CONVERT_EXPR around it.
4704
4705 2016-06-04  Oleg Endo  <olegendo@gcc.gnu.org>
4706
4707         PR tree-optimization/52171
4708         * config/sh/sh.c (sh_use_by_pieces_infrastructure_p): Use
4709         by_pieces_ninsns instead of move_by_pieces_ninsns.
4710
4711 2016-06-04  Oleg Endo  <olegendo@gcc.gnu.org>
4712
4713         * config/sh/sh.c (sh_print_operand_address): Don't use hardcoded 'r0'
4714         for reg+reg addressing mode.
4715
4716 2016-06-03  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4717
4718         * rs6000-c.c (c/c-tree.h): Add #include.
4719         (altivec_resolve_overloaded_builtin): Handle ARRAY_TYPE arguments
4720         in C++ when found in the base position of vec_ld or vec_st.
4721
4722 2016-06-03  Jan Hubicka  <hubicka@ucw.cz>
4723
4724         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop): Avoid
4725         use of profile unless profile status is PROFILE_READ.
4726         * profile.c (compute_branch_probabilities): Set profile status
4727         only after reporting predictor hitrates.
4728
4729 2016-06-03  Joseph Myers  <joseph@codesourcery.com>
4730
4731         PR target/71276
4732         PR target/71277
4733         * common.opt (ffp-int-builtin-inexact): New option.
4734         * doc/invoke.texi (-fno-fp-int-builtin-inexact): Document.
4735         * doc/md.texi (floor@var{m}2, btrunc@var{m}2, round@var{m}2)
4736         (ceil@var{m}2): Document dependence on this option.
4737         * ipa-inline-transform.c (inline_call): Handle
4738         flag_fp_int_builtin_inexact.
4739         * ipa-inline.c (can_inline_edge_p): Likewise.
4740         * config/i386/i386.md (rintxf2): Do not test
4741         flag_unsafe_math_optimizations.
4742         (rint<mode>2_frndint): New define_insn.
4743         (rint<mode>2): Do not test flag_unsafe_math_optimizations for 387
4744         or !flag_trapping_math for SSE.  Just use gen_rint<mode>2_frndint
4745         for 387 instead of extending and truncating.
4746         (frndintxf2_<rounding>): Test flag_fp_int_builtin_inexact ||
4747         !flag_trapping_math instead of flag_unsafe_math_optimizations.
4748         Change to frndint<mode>2_<rounding>.
4749         (frndintxf2_<rounding>_i387): Likewise.  Change to
4750         frndint<mode>2_<rounding>_i387.
4751         (<rounding_insn>xf2): Likewise.
4752         (<rounding_insn><mode>2): Test flag_fp_int_builtin_inexact ||
4753         !flag_trapping_math instead of flag_unsafe_math_optimizations for
4754         x87.  Test TARGET_ROUND || !flag_trapping_math ||
4755         flag_fp_int_builtin_inexact instead of !flag_trapping_math for
4756         SSE.  Use ROUND_NO_EXC in constant operand of
4757         gen_sse4_1_round<mode>2.  Just use gen_frndint<mode>2_<rounding>
4758         for 387 instead of extending and truncating.
4759
4760 2016-06-03  H.J. Lu  <hongjiu.lu@intel.com>
4761             Julia Koval  <julia.koval@intel.com>
4762
4763         PR target/66960
4764         PR target/67630
4765         PR target/67634
4766         PR target/67841
4767         PR target/68037
4768         PR target/68618
4769         PR target/68661
4770         PR target/69575
4771         PR target/69596
4772         PR target/69734
4773         * config/i386/i386-protos.h (ix86_epilogue_uses): New prototype.
4774         * config/i386/i386.c (ix86_conditional_register_usage): Preserve
4775         all registers, except for function return registers if there are
4776         no caller-saved registers.
4777         (ix86_set_func_type): New function.
4778         (ix86_set_current_function): Call ix86_set_func_type to set
4779         no_caller_saved_registers and func_type.  Call reinit_regs if
4780         caller-saved registers are changed.  Don't allow MPX, SSE, MMX
4781         nor x87 instructions in interrupt handler nor function with
4782         no_caller_saved_registers attribute.
4783         (ix86_function_ok_for_sibcall): Return false if there are no
4784         caller-saved registers.
4785         (type_natural_mode): Don't warn ABI change for MMX in interrupt
4786         handler.
4787         (ix86_function_arg_advance): Skip for callee in interrupt handler.
4788         (ix86_function_arg): Return special arguments in interrupt handler.
4789         (ix86_promote_function_mode): Promote pointer to word_mode only
4790         for normal functions.
4791         (ix86_can_use_return_insn_p): Don't use `ret' instruction in
4792         interrupt handler.
4793         (ix86_epilogue_uses): New function.
4794         (ix86_hard_regno_scratch_ok): Likewise.
4795         (ix86_save_reg): Preserve all registers in interrupt handler
4796         after reload.  Preserve all registers, except for function return
4797         registers, if there are no caller-saved registers after reload.
4798         (find_drap_reg): Always use callee-saved register if there are
4799         no caller-saved registers.
4800         (ix86_minimum_incoming_stack_boundary): Return MIN_STACK_BOUNDARY
4801         for interrupt handler.
4802         (ix86_expand_prologue): Don't allow DRAP in interrupt handler.
4803         Emit cld instruction if stringops are used in interrupt handler
4804         or interrupt handler isn't a leaf function.
4805         (ix86_expand_epilogue): Generate interrupt return for interrupt
4806         handler and pop the 'ERROR_CODE' off the stack before interrupt
4807         return in exception handler.
4808         (ix86_expand_call): Disallow calling interrupt handler directly.
4809         If there are no caller-saved registers, mark all registers that
4810         are clobbered by the call which returns as clobbered.
4811         (ix86_handle_no_caller_saved_registers_attribute): New function.
4812         (ix86_handle_interrupt_attribute): Likewise.
4813         (ix86_attribute_table): Add interrupt and no_caller_saved_registers
4814         attributes.
4815         (TARGET_HARD_REGNO_SCRATCH_OK): Likewise.
4816         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Use argument
4817         accumulation in interrupt function if stack may be realigned to
4818         avoid DRAP.
4819         (EPILOGUE_USES): New.
4820         (function_type): New enum.
4821         (machine_function): Add func_type and no_caller_saved_registers.
4822         * config/i386/i386.md (UNSPEC_INTERRUPT_RETURN): New.
4823         (interrupt_return): New pattern.
4824         * doc/extend.texi: Document x86 interrupt and
4825         no_caller_saved_registers attributes.
4826
4827 2016-06-03  Bernd Schmidt  <bschmidt@redhat.com>
4828
4829         PR tree-optimization/52171
4830         * builtins.c (expand_cmpstrn_or_cmpmem): Delete, moved elsewhere.
4831         (expand_builtin_memcmp): New arg RESULT_EQ.  All callers changed.
4832         Look for constant strings.  Move some code to emit_block_cmp_hints
4833         and use it.
4834         * builtins.def (BUILT_IN_MEMCMP_EQ): New.
4835         * defaults.h (COMPARE_MAX_PIECES): New macro.
4836         * expr.c (move_by_pieces_d, store_by_pieces_d): Remove old structs.
4837         (move_by_pieces_1, store_by_pieces_1, store_by_pieces_2): Remvoe.
4838         (clear_by_pieces_1): Don't declare.  Move definition before use.
4839         (can_do_by_pieces): New static function.
4840         (can_move_by_pieces): Use it.  Return bool.
4841         (by_pieces_ninsns): Renamed from move_by_pieces_ninsns.  New arg
4842         OP.  All callers changed.  Handle COMPARE_BY_PIECES.
4843         (class pieces_addr); New.
4844         (pieces_addr::pieces_addr, pieces_addr::decide_autoinc,
4845         pieces_addr::adjust, pieces_addr::increment_address,
4846         pieces_addr::maybe_predec, pieces_addr::maybe_postinc): New member
4847         functions for it.
4848         (class op_by_pieces_d): New.
4849         (op_by_pieces_d::op_by_pieces_d, op_by_pieces_d::run): New member
4850         functions for it.
4851         (class move_by_pieces_d, class compare_by_pieces_d,
4852         class store_by_pieces_d): New subclasses of op_by_pieces_d.
4853         (move_by_pieces_d::prepare_mode, move_by_pieces_d::generate,
4854         move_by_pieces_d::finish_endp, store_by_pieces_d::prepare_mode,
4855         store_by_pieces_d::generate, store_by_pieces_d::finish_endp,
4856         compare_by_pieces_d::generate, compare_by_pieces_d::prepare_mode,
4857         compare_by_pieces_d::finish_mode): New member functions.
4858         (compare_by_pieces, emit_block_cmp_via_cmpmem): New static
4859         functions.
4860         (expand_cmpstrn_or_cmpmem): Moved here from builtins.c.
4861         (emit_block_cmp_hints): New function.
4862         (move_by_pieces, store_by_pieces, clear_by_pieces): Rewrite to just
4863         use the newly defined classes.
4864         * expr.h (by_pieces_constfn): New typedef.
4865         (can_store_by_pieces, store_by_pieces): Use it in arg declarations.
4866         (emit_block_cmp_hints, expand_cmpstrn_or_cmpmem): Declare.
4867         (move_by_pieces_ninsns): Don't declare.
4868         (can_move_by_pieces): Change return value to bool.
4869         * target.def (TARGET_USE_BY_PIECES_INFRASTRUCTURE_P): Update docs.
4870         (compare_by_pieces_branch_ratio): New hook.
4871         * target.h (enum by_pieces_operation): Add COMPARE_BY_PIECES.
4872         (by_pieces_ninsns): Declare.
4873         * targethooks.c (default_use_by_pieces_infrastructure_p): Handle
4874         COMPARE_BY_PIECES.
4875         (default_compare_by_pieces_branch_ratio): New function.
4876         * targhooks.h (default_compare_by_pieces_branch_ratio): Declare.
4877         * doc/tm.texi.in (STORE_MAX_PIECES, COMPARE_MAX_PIECES): Document.
4878         * doc/tm.texi: Regenerate.
4879         * tree-ssa-strlen.c: Include "builtins.h".
4880         (handle_builtin_memcmp): New static function.
4881         (strlen_optimize_stmt): Call it for BUILT_IN_MEMCMP.
4882         * tree.c (build_common_builtin_nodes): Create __builtin_memcmp_eq.
4883
4884 2016-06-03  Alan Hayward  <alan.hayward@arm.com>
4885
4886         * tree-vect-stmts.c (vect_stmt_relevant_p): Do not vectorize non live
4887         relevant stmts which are simple and invariant.
4888         * tree-vect-loop.c (vectorizable_live_operation): Check relevance
4889         instead of simple and invariant
4890
4891 2016-06-03  Alan Hayward  <alan.hayward@arm.com>
4892
4893         * tree-vect-loop.c (vect_analyze_loop_operations): Allow live stmts.
4894         (vectorizable_reduction): Check for new relevant state.
4895         (vectorizable_live_operation): vectorize live stmts using
4896         BIT_FIELD_REF.  Remove special case for gimple assigns stmts.
4897         * tree-vect-stmts.c (is_simple_and_all_uses_invariant): New function.
4898         (vect_stmt_relevant_p): Check for stmts which are only used live.
4899         (process_use): Use of a stmt does not inherit it's live value.
4900         (vect_mark_stmts_to_be_vectorized): Simplify relevance inheritance.
4901         (vect_analyze_stmt): Check for new relevant state.
4902         * tree-vectorizer.h (vect_relevant): New entry for a stmt which is used
4903         outside the loop, but not inside it.
4904
4905 2016-06-03  Alan Hayward  <alan.hayward@arm.com>
4906
4907         * tree-vectorizer.h (vect_get_vec_def_for_operand_1): New.
4908         * tree-vect-stmts.c (vect_get_vec_def_for_operand_1): New.
4909         (vect_get_vec_def_for_operand): Split out code.
4910
4911 2016-06-03  Segher Boessenkool  <segher@kernel.crashing.org>
4912
4913         * config/rs6000/rs6000.md (define_peepholes for two mfcr's): Delete.
4914
4915 2016-06-03  Alan Hayward  <alan.hayward@arm.com>
4916
4917         * tree-vect-stmts.c (vectorizable_call) Remove GOMP_SIMD_LANE code.
4918
4919 2016-06-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4920
4921         * config/arm/thumb1.md (*thumb1_mulsi3): Fix typos in comment.
4922
4923 2016-06-03  Jakub Jelinek  <jakub@redhat.com>
4924
4925         PR middle-end/71387
4926         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): If redirecting
4927         to noreturn e->callee->decl that has void return type and void
4928         arguments, adjust gimple_call_fntype and remove lhs even if it had
4929         previously addressable type.
4930
4931 2016-06-02  Jeff Law  <law@redhat.com>
4932
4933         PR tree-optimization/71328
4934         * tree-ssa-threadupdate.c (duplicate_thread_path): Fix off-by-one
4935         error when checking for a jump back onto the copied path.
4936
4937 2016-06-02  David Malcolm  <dmalcolm@redhat.com>
4938
4939         * config/microblaze/microblaze.c (get_branch_target): Add return
4940         NULL_RTX for the non-CALL_P case.
4941         (insert_wic_for_ilb_runout): Remove unused local "wic_addr1".
4942         (insert_wic): Remove unused local "j".
4943
4944 2016-06-02  Martin Liska  <mliska@suse.cz>
4945
4946         * predict.def: Fix typo in PRED_FORTRAN_FAIL_IO display name.
4947
4948 2016-06-02  H.J. Lu  <hongjiu.lu@intel.com>
4949             Julia Koval  <julia.koval@intel.com>
4950
4951         * function.c (assign_parm_setup_stack): Force source into a
4952         register if needed.
4953         * target.def (function_incoming_arg): Update documentation to
4954         allow arbitrary address computation based on hard register.
4955         * doc/tm.texi: Regenerated.
4956
4957 2016-06-02  Martin Liska  <mliska@suse.cz>
4958
4959         * predict.c (combine_predictions_for_bb): Fix first match in
4960         cases where a first predictor contains more than one occurence
4961         in list of predictors.  Take the best value in such case.
4962
4963 2016-06-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4964
4965         PR rtl-optimization/71295
4966         * rtlanal.c (subreg_get_info): If taking a subreg at the requested
4967         offset would go over the size of the inner mode reject it.
4968
4969 2016-06-02  Jakub Jelinek  <jakub@redhat.com>
4970
4971         * config/i386/sse.md (*vec_concatv4si): Use v=v,v instead of
4972         x=x,x and v=v,m instead of x=x,m.
4973
4974         * config/i386/sse.md (*vec_concatv2si_sse4_1): Add avx512dq v=Yv,rm
4975         alternative.  Change x=x,x alternative to v=Yv,Yv and x=rm,C
4976         alternative to v=rm,C.
4977
4978         * config/i386/sse.md (*vec_concatv2di): Add x86_avx512dq v=Yv,rm
4979         alternative.  Change x=xm,C alternative to v=vm,C, x=x,x alternative
4980         to v=Yv,Yv and x=x,m to v=v,m.  Use maybe_evex prefix attribute
4981         instead of vex for the last two above mentioned alternatives.
4982
4983 2016-06-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4984
4985         PR target/70830
4986         * config/arm/arm.c (arm_output_multireg_pop): Guard "pop" on update.
4987
4988 2016-06-02  Segher Boessenkool  <segher@kernel.crashing.org>
4989
4990         * config/rs6000/dfp.md (trunctddd2): Correct the "length" attribute.
4991
4992 2016-06-01  David Malcolm  <dmalcolm@redhat.com>
4993
4994         * config/rl78/rl78.c (rl78_expand_prologue): Convert local
4995         from int to unsigned.
4996
4997 2016-05-31  Michael Meissner  <meissner@linux.vnet.ibm.com>
4998
4999         * config/rs6000/vsx.md (vsx_splat_<mode>, V2DI/V2DF): Simplify
5000         alternatives, eliminating preferred register class.  Add support
5001         for the MTVSRDD instruction in ISA 3.0.
5002         (vsx_splat_v4si_internal): Use splat_input_operand instead of
5003         reg_or_indexed_operand.
5004         (vsx_splat_v4sf_internal): Likewise.
5005
5006 2016-05-31  Michael Meissner  <meissner@linux.vnet.ibm.com>
5007
5008         PR target/71186
5009         * config/rs6000/vsx.md (xxspltib_<mode>_nosplit): Add alternatives
5010         for loading up all 0's or all 1's.
5011
5012 2016-06-01  Thomas Preud'homme  <thomas.preudhomme@arm.com>
5013
5014         * doc/sourcebuild.texi (arm_acq_rel): Document new effective target.
5015
5016 2016-06-01  Eduard Sanou  <dhole@openmailbox.org>
5017
5018         * doc/cppenv.texi: Note that the `%s` in `date` is a non-standard
5019         extension.
5020         * gcc.c (driver_handle_option): Call set_source_date_epoch_envvar.
5021         * gcc.c (set_source_date_epoch_envvar): New function, sets
5022         the SOURCE_DATE_EPOCH environment variable to the current time.
5023
5024 2016-06-01  Eric Botcazou  <ebotcazou@adacore.com>
5025
5026         * tree-vect-loop.c (vect_determine_vectorization_factor): Also compute
5027         the factor for live Phi nodes.
5028
5029 2016-06-01  Jan Hubicka  <hubicka@ucw.cz>
5030
5031         * loop-dolop.c (doloop_optimize): Us likely max iteration bound.
5032         * tree-parloops.c (parallelize_loops): likewise.
5033         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop,
5034         tree_unswitch_outer_loop): likewise.
5035
5036 2016-06-01  Jakub Jelinek  <jakub@redhat.com>
5037
5038         PR middle-end/71371
5039         * gimplify.c (gimplify_omp_for): Temporarily clear gimplify_omp_ctxp
5040         around creation of the temporary.
5041
5042 2016-06-01  Richard Biener  <rguenther@suse.de>
5043
5044         PR tree-optimization/71366
5045         * tree-ssa-loop-ivcanon.c (edges_to_remove): New global.
5046         (unloop_loops): Move removing edges here ...
5047         (try_unroll_loop_completely): ... from here.
5048         (try_peel_loop): ... and here.
5049         (tree_unroll_loops_completely_1): Track parent loops via
5050         bitmap of header BBs.
5051         (tree_unroll_loops_completely): Adjust for that.
5052
5053 2016-06-01  Kelvin Nilsen  <kelvin@gcc.gnu.org>
5054
5055         * config/rs6000/altivec.h (vec_slv): New macro.
5056         (vec_srv): New macro.
5057         * config/rs6000/altivec.md (UNSPEC_VSLV): New value.
5058         (UNSPEC_VSRV): New value.
5059         (vslv): New insn.
5060         (vsrv): New insn.
5061         * config/rs6000/rs6000-builtin.def (vslv): New builtin definition.
5062         (vsrv): New builtin definition.
5063         * config/rs6000/rs6000-c.c (P9V_BUILTIN_VSLV): Macro expansion to
5064         define argument types for new builtin.
5065         (P9V_BUILTIN_VSRV): Macro expansion to define argument types for
5066         new builtin.
5067         * doc/extend.texi: Document the new vec_vslv and vec_srv built-in
5068         functions.
5069
5070 2016-06-01  Uros Bizjak  <ubizjak@gmail.com>
5071             Jocelyn Mayer  <l_indien@magic.fr>
5072
5073         PR target/67310
5074         * config/i386/driver-i386.c (host_detect_local_cpu): Correctly
5075         detect processor family for signature_CENTAUR_ebx.
5076         <case PROCESSOR_I486>: Pass c3, winchip2 or winchip-c6 for
5077         signature_CENTAUR_ebx.
5078         <case PROCESSOR _PENTIUMPRO>: Pass c3-2 for signature_CENTAUR_ebx.
5079         <default>: Pass x86-64 for has_longmode.
5080
5081 2016-06-01  Nathan Sidwell  <nathan@acm.org>
5082
5083         * config/nvptx/nvptx.c (nvptx_assemble_undefined_decl): Reject
5084         undefined weak.
5085
5086 2016-06-01  Richard Biener  <rguenther@suse.de>
5087
5088         PR tree-optimization/71261
5089         * tree-vect-patterns.c (check_bool_pattern): Gather a hash-set
5090         of stmts successfully put in the bool pattern.  Remove
5091         single-use restriction.
5092         (adjust_bool_pattern_cast): Add cast at the use site via the
5093         pattern def sequence.
5094         (adjust_bool_pattern): Remove recursion, maintain a hash-map
5095         of patterned defs.  Use the pattern def seqence instead of
5096         multiple independent patterns.
5097         (sort_after_uid): New qsort compare function.
5098         (adjust_bool_stmts): New function to process stmts in the bool
5099         pattern in IL order.
5100         (vect_recog_bool_pattern): Adjust.
5101         * tree-if-conv.c (ifcvt_split_def_stmt): Remove.
5102         (ifcvt_walk_pattern_tree): Likewise.
5103         (stmt_is_root_of_bool_pattern): Likewise.
5104         (ifcvt_repair_bool_pattern): Likewise.
5105         (tree_if_conversion): Do not call ifcvt_repair_bool_pattern.
5106
5107 2016-06-01  Jan Hubicka  <hubicka@ucw.cz>
5108
5109         * loop-unroll.c (decide_unroll_constant_iterations,
5110         decide_unroll_runtime_iterations, decide_unroll_stupid): Use
5111         likely upper bounds.
5112         * loop-iv.c (find_simple_exit): Dump likely upper bounds.
5113
5114 2016-06-01  Thomas Schwinge  <thomas@codesourcery.com>
5115
5116         * tree-core.h (enum omp_clause_code): Remove
5117         OMP_CLAUSE_DEVICE_RESIDENT.  Adjust all users.
5118
5119 2016-06-01  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5120
5121         * config/arm/sync.md (arm_store_exclusive<mode>):
5122         Use 'H' output modifier on operands[2] rather than creating a new
5123         entry in out-of-bounds memory of the operands array.
5124         (arm_store_release_exclusivedi): Likewise.
5125
5126 2016-06-01  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5127
5128         * config/arm/arm.c (arm_fusion_enabled_p): New function.
5129         * config/arm/arm-protos.h (arm_fusion_enabled_p): Declare prototype.
5130         * config/arm/crypto.md (crypto_<crypto_pattern>, CRYPTO_UNARY):
5131         Add "=w,0" alternative.  Enable it when AES/AESMC fusion is enabled.
5132
5133 2016-06-01  Eric Botcazou  <ebotcazou@adacore.com>
5134
5135         * tree-vect-loop.c (vect_determine_vectorization_factor): Also take
5136         into account live statements for mask producers.
5137
5138 2016-06-01  Richard Biener  <rguenther@suse.de>
5139
5140         PR tree-optimization/71311
5141         * match.pd (@0 < @1 && @0 < @2 -> @0 < min(@1,@2)): Add :c and
5142         restrict to non-INTEGER_CST @0.
5143
5144 2016-06-01  Richard Biener  <rguenther@suse.de>
5145
5146         * match.pd ((A & B) - (A & ~B) -> B - (A ^ B)): Add missing :c.
5147         (relational patterns): Use :c to avoid pattern duplications.
5148
5149 2016-06-01  Richard Biener  <rguenther@suse.de>
5150
5151         * genmatch.c (comparison_code_p): New predicate.
5152         (swap_tree_comparison): New function.
5153         (commutate): Add for_vec parameter to append new for entries.
5154         Support commutating relational operators by swapping it alongside
5155         operands.
5156         (lower_commutative): Adjust.
5157         (dt_simplify::gen): Do not pass artificial operators to gen
5158         functions.
5159         (decision_tree::gen): Do not add artificial operators as parameters.
5160         (parser::parse_expr): Verify operator commutativity when :c is
5161         applied.  Allow :C to override this.
5162         * match.pd: Adjust patterns to use :C instead of :c where required.
5163
5164 2016-06-01  Patrick Palka  <ppalka@gcc.gnu.org>
5165
5166         PR tree-optimization/71077
5167         * tree-ssa-threadedge.c (simplify_control_stmt_condition_1): In
5168         the combining step, use boolean_false_node and boolean_true_node
5169         as the designated false/true return values.
5170
5171 2016-05-31  Jan Hubicka  <hubicka@ucw.cz>
5172
5173         * predict.def (PRED_LOOP_EXTRA_EXIT): Define.
5174         * predict.c (predict_iv_comparison): Also check PRED_LOOP_EXTRA_EXIT.
5175         (predict_extra_loop_exits): Use PRED_LOOP_EXTRA_EXIT instead of
5176         PRED_LOOP_EXIT.
5177
5178 2016-05-31  Jan Hubicka  <hubicka@ucw.cz>
5179
5180         * doc/invoke.texi (-frename-registers): Drop -fpeel-loops from list
5181         of flags impliying the register renaming.
5182         * toplev.c (process_options): Do not imply flag_rename_registers with
5183         loop peeling.
5184
5185 2016-05-31  Oleg Endo  <olegendo@gcc.gnu.org>
5186
5187         * config/sh/sh.h (ASM_OUTPUT_SYMBOL_REF): Remove macro and use the
5188         default implementation.
5189
5190 2016-05-31  Nathan Sidwell  <nathan@acm.org>
5191
5192         * dwarf2out.c (cur_line_info_table): Add GTY marker.
5193
5194 2016-05-31  Oleg Endo  <olegendo@gcc.gnu.org>
5195
5196         * config/sh/constraints.md (b): Remove constraint.
5197         * config/sh/predicates.md (arith_reg_operand): Remove
5198         TARGET_REGISTER_P.
5199         * config/sh/sh-modes.def (PDI): Remove.
5200         * config/sh/sh.c (sh_target_reg_class,
5201         sh_optimize_target_register_callee_saved): Remove functions.
5202         (sh_option_override): Don't set MASK_SAVE_ALL_TARGET_REGS.
5203         (sh_expand_epilogue): Update comment.
5204         (sh_hard_regno_mode_ok, sh_register_move_cost, calc_live_regs,
5205         sh_secondary_reload): Remove TARGET_REGS related code.
5206         * config/sh/sh.h (FIRST_TARGET_REG, LAST_TARGET_REG,
5207         TARGET_REGISTER_P): Remove macros.
5208         (SH_DBX_REGISTER_NUMBER, REG_ALLOC_ORDER): Remove target regs.
5209         * config/sh/sh.md (PR_MEDIA_REG, T_MEDIA_REG, FR23_REG, TR0_REG,
5210         TR1_REG, TR2_REG): Remove constants.
5211         * config/sh/sh.opt (SAVE_ALL_TARGET_REGS): Remove.
5212
5213 2016-05-31  Oleg Endo  <olegendo@gcc.gnu.org>
5214
5215         * config/sh/sh.md (adddi3, subdi3, negdi2, abs<mode>2): Remove
5216         define_expand patterns.
5217         (adddi3_compact): Rename to adddi3.
5218         (subdi3_compact): Rename to subdi3.
5219         (*negdi2): Rename to negdi2.
5220         (*abs<mode>2): Rename to abs<mode>2.
5221
5222 2016-05-31  Oleg Endo  <olegendo@gcc.gnu.org>
5223
5224         * config/rx/rx.md (FETCHOP_NO_MINUS): New code iterator.
5225         (atomic_<fetchop_name>_fetchsi): Extract minus operator into ...
5226         (atomic_sub_fetchsi): ... this new pattern.
5227         (mvtc): Add CC_REG clobber.
5228
5229 2016-05-31  Marek Polacek  <polacek@redhat.com>
5230
5231         * gimplify.c (gimplify_switch_expr): Also handle GIMPLE_TRY.
5232
5233 2016-05-31  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5234
5235         * config/aarch64/aarch64.c (aarch_macro_fusion_pair_p): Use
5236         aarch64_fusion_enabled_p to check for fusion capabilities.
5237
5238 2016-05-31  Richard Biener  <rguenther@suse.de>
5239
5240         PR tree-optimization/71352
5241         * tree-ssa-reassoc.c (zero_one_operation): Handle op equal to
5242         minus one and a negate.
5243
5244 2016-05-31  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5245
5246         * config/aarch64/aarch64.c (aarch64_simd_attr_length_move): Delete.
5247         * config/aarch64/aarch64-protos.h (aarch64_simd_attr_length_move):
5248         Delete prototype.
5249         * config/aarch64/iterators.md (insn_count): Add descriptive comment.
5250         * config/aarch64/aarch64-simd.md (*aarch64_mov<mode>, VSTRUCT modes):
5251         Remove use of aarch64_simd_attr_length_move, set length attribute
5252         directly.
5253         (*aarch64_be_movoi): Likewise.
5254         (*aarch64_be_movci): Likewise.
5255         (*aarch64_be_movxi): Likewise.
5256
5257 2016-05-31  Jan Hubicka  <hubicka@ucw.cz>
5258
5259         * loop-init.c (gate): Do not enale RTL loop unroller with -fpeel-loops.
5260         It no longer does that.
5261         * toplev.c (process_options): Do not enable flag_web with -fpeel-loops.
5262
5263 2016-05-31  Wladimir J. van der Laan  <laanwj@gmail.com>
5264
5265         * config/aarch64/arm_neon.h (vdupb_laneq_s8): Remove spurious
5266         attribute __unused__.
5267
5268 2016-05-31  Thomas Preud'homme  <thomas.preudhomme@arm.com>
5269
5270         * config/arm/arm-protos.h (arm_arch_thumb1): Declare.
5271         * config/arm/arm.c (arm_arch_thumb1): Define.
5272         (arm_option_override): Initialize arm_arch_thumb1.
5273         * config/arm/arm.h (arm_arch_thumb1): Declare.
5274         (TARGET_ARM_ARCH_ISA_THUMB): Use arm_arch_thumb to determine if target
5275         support Thumb-1 ISA.
5276
5277 2016-05-31  Kirill Yukhin  <kirill.yukhin@intel.com>
5278
5279         PR target/71346
5280         * config/i386/sse.md (define_insn_and_split "*vec_extractv4sf_0"): Use
5281         `Yv' for scalar operand.
5282
5283 2016-05-31  Tom de Vries  <tom@codesourcery.com>
5284
5285         PR tree-optimization/69068
5286         * graphite-isl-ast-to-gimple.c (copy_bb_and_scalar_dependences): Handle
5287         phis with more than two args.
5288
5289 2016-05-30  Andreas Tobler  <andreast@gcc.gnu.org>
5290
5291         * config.gcc: Move hard float support for arm*hf*-*-freebsd* into
5292         armv6*-*-freebsd* for FreeBSD 11. Eliminate the arm*hf*-*-freebsd*
5293         target.
5294
5295 2016-05-30  Jose E. Marchesi  <jose.marchesi@oracle.com>
5296
5297         * config.gcc (sparc*-*-*): Support cpu_32, cpu_64, tune_32 and
5298         tune_64.
5299         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
5300         support on SPARC.
5301         * config/sparc/linux64.h (OPTION_DEFAULT_SPECS): Add entries for
5302         cpu_32, cpu_64, tune_32 and tune_64.
5303         * config/sparc/sol2.h (OPTION_DEFAULT_SPECS): Likewise.
5304
5305 2016-05-30  Uros Bizjak  <ubizjak@gmail.com>
5306
5307         * config/i386/sync.md (mfence_nosse): Use "lock orl $0, -4(%esp)".
5308
5309 2016-05-30  Andi Kleen  <ak@linux.intel.com>
5310
5311         * auto-profile.c (read_profile): Replace asserts with errors
5312         when file does not exist.
5313         * gcov-io.c (gcov_read_words): Dito.
5314
5315 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
5316
5317         * tree-cfg.c (print_loop): Print likely upper bounds.
5318
5319 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
5320
5321         * doc/invoke.texi (-fpeel-loops,-O3): Update documentation.
5322         * opts.c (default_options): Enable peel loops at -O3.
5323         * tree-ssa-loop-ivcanon.c (peeled_loops): New static var.
5324         (try_peel_loop): Do not re-peel already peeled loops;
5325         use likely upper bounds; fix profile updating.
5326         (pass_complete_unroll::execute): Initialize peeled_loops.
5327
5328 2016-05-30  Martin Liska  <mliska@suse.cz>
5329
5330         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Scale
5331         computed costs by frequency of BB they belong to.
5332         (get_scaled_computation_cost_at): New function.
5333
5334 2016-05-30  Alexander Monakov  <amonakov@ispras.ru>
5335             Marc Glisse  <marc.glisse@inria.fr>
5336
5337         PR tree-optimization/71289
5338         * match.pd (-1 / B < A, A > -1 / B): New transformations.
5339
5340 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
5341
5342         * tree-vect-loop.c (vect_transform_loop): Update likely bounds.
5343
5344 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
5345
5346         * tree-ssa-loop-ivcanon.c (try_peel_loop): Correctly set wont_exit
5347         for peeled copies; avoid underflow when updating estimates; correctly
5348         scale loop profile.
5349
5350 2016-05-30  Kugan Vivekanandarajah  <kuganv@linaro.org>
5351
5352         * tree-ssa-reassoc.ci (swap_ops_for_binary_stmt): Fix typo from commit
5353         r236875. Corrected oe3 to oe2 as obvious.
5354
5355 2016-05-30  Kugan Vivekanandarajah  <kuganv@linaro.org>
5356
5357         PR middle-end/71269
5358         PR middle-end/71252
5359         * tree-ssa-reassoc.c (insert_stmt_before_use): Use find_insert_point so
5360         that inserted stmt will not dominate stmts that defines its operand.
5361         (rewrite_expr_tree): Add stmt_to_insert before adding the use stmt.
5362         (rewrite_expr_tree_parallel): Likewise.
5363
5364 2016-05-30  Kugan Vivekanandarajah  <kuganv@linaro.org>
5365
5366         PR middle-end/71252
5367         * tree-ssa-reassoc.c (swap_ops_for_binary_stmt): Fix swap such that
5368         all fields including stmt_to_insert are swapped.
5369
5370 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
5371
5372         * predict.h (force_edge_cold): Declare.
5373         * predict.c (force_edge_cold): New function.
5374         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Fix profile
5375         updating.
5376         (canonicalize_loop_induction_variables): Fix formating.
5377
5378 2016-05-30  Eric Botcazou  <ebotcazou@adacore.com>
5379
5380         * config/visium/visium.c (visium_split_double_add): Minor tweaks.
5381         (visium_expand_copysign): Use gen_int_mode directly.
5382         (visium_compute_frame_size): Minor tweaks.
5383
5384 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
5385
5386         * tree-vect-loop.c (vect_analyze_loop_2): Use
5387         likely_max_stmt_executions_int.
5388
5389 2016-05-30  Tom de Vries  <tom@codesourcery.com>
5390
5391         PR tree-optimization/69067
5392         * graphite-isl-ast-to-gimple.c (get_def_bb_for_const): Remove assert.
5393
5394 2016-05-29  Uros Bizjak  <ubizjak@gmail.com>
5395
5396         PR target/71245
5397         * config/i386/sync.md (define_peephole2 atomic_storedi_fpu):
5398         New peepholes to remove unneeded fild/fistp pairs.
5399         (define_peephole2 atomic_loaddi_fpu): Ditto.
5400
5401 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
5402
5403         * predict.c (maybe_hot_frequency_p): Avoid division.
5404
5405 2016-05-28  Gerald Pfeifer  <gerald@pfeifer.com>
5406
5407         * doc/install.texi: Use https for shop.fsf.org.
5408
5409 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
5410
5411         * tree-ssa-loop-ivopts.c (estimated_stmt_executions_int): Use
5412         likely_max_stmt_executions_int.
5413
5414 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
5415
5416         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Use
5417         likely_max_stmt_executions_int.
5418
5419 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
5420
5421         * profile.c (compute_branch_probabilities): Do not report hitrates
5422         here.
5423         (branch_prob): Report hitrates here.
5424         * predict.c (gimple_predict_edge): Do not assert profile status;
5425         fix formatting issues.
5426
5427 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
5428
5429         * predict.c (edge_predicted_by_p): New function.
5430         (predict_paths_for_bb): Do not put multiple predictions of the same type
5431         on one edge.
5432
5433 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
5434
5435         * tree-ssa-loop-niter.c (number_of_iterations_exit): Revert accidental
5436         commit.
5437
5438 2016-05-28  Alan Modra  <amodra@gmail.com>
5439
5440         * dominance.c (verify_dominators): Don't segfault on NULL imm_bb.
5441
5442 2016-05-28  Alan Modra  <amodra@gmail.com>
5443
5444         PR rtl-optimization/71275
5445         * ira.c (ira): Free dominance info.
5446
5447 2016-05-27  Gerald Pfeifer  <gerald@pfeifer.com>
5448
5449         * doc/sourcebuild.texi: New address for upstream Go repository.
5450
5451 2016-05-27  Thomas Preud'homme  <thomas.preudhomme@arm.com>
5452
5453         * config/arm/arm.h (TARGET_ARM_V6M): Remove.
5454         (TARGET_ARM_V7M): Likewise.
5455
5456 2016-05-26  Jeff Law  <law@redhat.com>
5457
5458         * tree-ssa-threadedge.c: Remove include of tree-ssa-threadbackward.h.
5459         (thread_across_edge): Remove calls to find_jump_threads_backwards.
5460         * passes.def: Add jump threading passes before DOM/VRP.
5461         * tree-ssa-threadbackward.c (find_jump_threads_backwards): Change
5462         argument to a basic block from an edge.  Remove tests which are
5463         handled elsewhere.
5464         (pass_data_thread_jumps, class pass_thread_jumps): New.
5465         (pass_thread_jumps::gate, pass_thread_jumps::execute): New.
5466         (make_pass_thread_jumps): Likewise.
5467         * tree-pass.h (make_pass_thread_jumps): Declare.
5468
5469 2016-05-27  Eric Botcazou  <ebotcazou@adacore.com>
5470
5471         * config/visium/visium-protos.h (split_double_move): Rename into...
5472         (visium_split_double_move): ...this.
5473         (visium_split_double_add): Declare.
5474         * config/visium/visium.c (split_double_move): Rename into...
5475         (visium_split_double_move): ...this.
5476         (visium_split_double_add): New function.
5477         (visium_expand_copysign): Renumber operands for consistency.
5478         * config/visium/visium.md (DImode move splitter): Adjust to renaming.
5479         (DFmode move splitter): Likewise.
5480         (*addi3_insn): Split by means of visium_split_double_add.
5481         (*adddi3_insn_flags): Delete.
5482         (*plus_plus_sltu<subst_arith>): New insn.
5483         (*subdi3_insn): Split by means of visium_split_double_add.
5484         (subdi3_insn_flags): Delete.
5485         (*minus_minus_sltu<subst_arith>): New insn.
5486         (*negdi2_insn): Split by means of visium_split_double_add.
5487         (*negdi2_insn_flags): Delete.
5488
5489 2016-05-27  Ulrich Weigand  <uweigand@de.ibm.com>
5490
5491         * configure.ac: Treat a --with-headers option without argument
5492         the same as the default (i.e. consult sys-include directory).
5493         * configure: Regenerate.
5494
5495 2016-05-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5496
5497         * config/aarch64/aarch64.c (aarch64_fusion_enabled_p): New function.
5498         * config/aarch64/aarch64-protos.h (aarch64_fusion_enabled_p): Declare
5499         prototype.
5500         * config/aarch64/aarch64-simd.md (aarch64_crypto_aes<aesmc_op>v16qi):
5501         Add "=w,0" alternative.  Enable it when AES/AESMC fusion is enabled.
5502
5503 2016-05-27  Jiong Wang  <jiong.wang@arm.com>
5504
5505         PR target/63596
5506         * config/aarch64/aarch64.c (aarch64_expand_builtin_va_start): Honor
5507         tree-stdarg analysis results.
5508         (aarch64_setup_incoming_varargs): Likewise.
5509
5510 2016-05-27  Jiong Wang  <jiong.wang@arm.com>
5511
5512         * config/aarch64/aarch64.c (aarch64_build_builtin_va_list): Initialize
5513         va_list_gpr_counter_field and va_list_fpr_counter_field.
5514
5515 2016-05-27  Wilco Dijkstra  <wdijkstr@arm.com>
5516
5517         PR67609
5518         * config/aarch64/aarch64.h (CANNOT_CHANGE_MODE_CLASS): Remove.
5519         * config/aarch64/aarch64.c
5520         (aarch64_cannot_change_mode_class): Remove function.
5521         * config/aarch64/aarch64-protos.h
5522         (aarch64_cannot_change_mode_class): Remove.
5523
5524 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
5525
5526         * cfgloop.c (record_niter_bound): Record likely upper bounds.
5527         (likely_max_stmt_executions_int, get_likely_max_loop_iterations,
5528         get_likely_max_loop_iterations_int): New.
5529         * cfgloop.h (struct loop): Add nb_iterations_likely_upper_bound,
5530         any_likely_upper_bound.
5531         (get_likely_max_loop_iterations_int, get_likely_max_loop_iterations):
5532         Declare.
5533         * cfgloopmanip.c (copy_loop_info): Copy likely upper bounds.
5534         * loop-unroll.c (unroll_loop_constant_iterations): Update likely
5535         upper bound.
5536         (unroll_loop_constant_iterations): Likewise.
5537         (unroll_loop_runtime_iterations): Likewise.
5538         * lto-streamer-in.c (input_cfg): Stream likely upper bounds.
5539         * lto-streamer-out.c (output_cfg): Likewise.
5540         * tree-ssa-loop-ivcanon.c (try_peel_loop): Update likely upper
5541         bounds.
5542         (canonicalize_loop_induction_variables): Dump likely upper bounds.
5543         * tree-ssa-loop-niter.c (record_estimate): Record likely upper bounds.
5544         (likely_max_loop_iterations): New.
5545         (likely_max_loop_iterations_int): New.
5546         (likely_max_stmt_executions): New.
5547         * tree-ssa-loop-niter.h (likely_max_loop_iterations,
5548         likely_max_loop_iterations_int, likely_max_stmt_executions_int,
5549         likely_max_stmt_executions): Declare.
5550
5551 2016-05-27  Marek Polacek  <polacek@redhat.com>
5552
5553         PR middle-end/71308
5554         * gimple-fold.c (gimple_fold_call): Check that LHS is not null.
5555
5556 2016-05-27  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5557
5558         * config/s390/s390.md (2x risbg splitters): Use
5559         reg_overlap_mentioned_p instead of rtx_equal_p.
5560
5561 2016-05-27  Dominik Vogt  <vogt@linux.vnet.ibm.com>
5562
5563         * combine.c (make_compound_operation): Take known zero bits into
5564         account when checking for possible zero_extend.
5565
5566 2016-05-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5567
5568         * config/aarch64/aarch64.md (ashl<mode>3, SHORT modes):
5569         Use const_int_operand for operand 2 predicate.  Simplify expand code
5570         as a result.
5571
5572 2016-05-27  Ilya Enkovich  <ilya.enkovich@intel.com>
5573
5574         PR middle-end/71279
5575         * fold-const.c (fold_ternary_loc): Don't fold VEC_COND_EXPR
5576         into comparison.
5577
5578 2016-05-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5579
5580         * config/aarch64/aarch64-modes.def (CC_ZESWP, CC_SESWP): Delete.
5581         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Remove condition
5582         that returns CC_SESWPmode and CC_ZESWPmode.
5583         (aarch64_get_condition_code_1): Remove handling of CC_SESWPmode
5584         and CC_SESWPmode.
5585         (aarch64_rtx_costs): Likewise.
5586
5587 2016-05-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
5588
5589         * config/rs6000/rs6000.c (rs6000_emit_p9_fp_minmax): New function
5590         for ISA 3.0 min/max support.
5591         (rs6000_emit_p9_fp_cmove): New function for ISA 3.0 floating point
5592         conditional move support.
5593         (rs6000_emit_cmove): Call rs6000_emit_p9_fp_minmax and
5594         rs6000_emit_p9_fp_cmove if the ISA 3.0 instructions are
5595         available.
5596         * config/rs6000/rs6000.md (SFDF2): New iterator to allow doing
5597         conditional moves where the comparison type is different from move
5598         type.
5599         (fp_minmax): New code iterator for smin/smax.
5600         (minmax): New code attributes for min/max.
5601         (SMINMAX): Likewise.
5602         (smax<mode>3): Combine min, max insns into one insn using the
5603         fp_minmax code iterator.  Add support for ISA 3.0 min/max
5604         instructions that don't need -ffast-math.
5605         (s<minmax><mode>3): Likewise.
5606         (smax<mode>3_vsx): Likewise.
5607         (smin<mode>3): Likewise.
5608         (s<minmax><mode>3_vsx): Likewise.
5609         (smin<mode>3_vsx): Likewise.
5610         (pre-VSX min/max splitters): Likewise.
5611         (s<minmax><mode>3_fpr): Likewise.
5612         (movsfcc): Rewrite floating point conditional moves to combine
5613         SFmode/DFmode into a single insn.
5614         (mov<mode>cc): Likewise.
5615         (movdfcc): Likewise.
5616         (fselsfsf4): Combine FSEL cases into a single insn, using SFDF and
5617         SFDF2 iterators to handle all combinations.
5618         (fseldfsf4): Likewise.
5619         (fsel<SFDF:mode><SFDF2:mode>4): Likewise.
5620         (fseldfdf4): Likewise.
5621         (fselsfdf4): Likewise.
5622         (mov<SFDF:mode><SFDF2:mode>cc_p9): Add support for the ISA 3.0
5623         comparison instructions that set a 0/-1 mask, and use it for
5624         floating point conditional move via XXSEL.
5625         (fpmask<mode>): Likewise.
5626         (xxsel<mode>): Likewise.
5627         * config/rs6000/predicates.md (min_max_operator): Delete, no
5628         longer used.
5629         (fpmask_comparison_operaton): New insn for ISA 3.0 comparison
5630         instructions that generate a 0/-1 mask for use with XXSEL.
5631         * config/rs6000/rs6000.h (TARGET_MINMAX_SF): New helper macros to
5632         say whether floating point min/max is available, either through
5633         FSEL, ISA 2.06 min/max, and ISA 3.0 min/max instrucitons.
5634         (TARGET_MINMAX_DF): Likewise.
5635
5636 2016-05-27  Alan Modra  <amodra@gmail.com>
5637
5638         PR rtl-optimization/71275
5639         * ira.c (ira): Call loop_optimizer_init to set up bb_loop_depth
5640         for update_equiv_regs and combine_and_move_insns.
5641
5642 2016-05-26  Uros Bizjak  <ubizjak@gmail.com>
5643
5644         * config/i386/i386.md (*movqi_internal) <attr "isa">: Use
5645         if_then_else or cond RTXes to calculate attribute value.
5646         * config/i386/mmx.md (*vec_extractv2sf_1) <attr "prefix_rep">: Ditto.
5647         <attr "length_immediate>: Ditto.
5648         (*vec_extractv2sf_1) <attr "length_immediate">: Ditto.
5649         * config/i386/sse.md (sse_loadlps) <attr "length_immediate">: Ditto.
5650         (*vec_concatv2sf_sse4_1) <attr "isa">: Ditto.
5651         <attr "type">: Ditto.
5652         <attr "prefix_data16">: Ditto.
5653         <attr "prefix_extra">: Ditto.
5654         <attr "length_immediate">: Ditto.
5655         <attr "prefix">: Ditto.
5656         (vec_set<mode>_0) <attr "isa">: Ditto.
5657         <attr "prefix_extra">: Ditto.
5658         <attr "length_immediate">: Ditto.
5659         <attr "prefix">: Ditto.
5660         (*vec_interleave_highv2df) <attr "prefix_data16">: Ditto.
5661         (*vec_interleave_lowv2df) <attr "prefix_data16">: Ditto.
5662         (sse2_storelpd) <attr "prefix_data16">: Ditto.
5663         (sse2_loadhpd) <attr "prefix_data16">: Ditto.
5664         (sse2_loadlpd) <attr "prefix_data16">: Ditto.
5665         <attr "length_immediate">: Ditto.
5666         <attr "prefix">: Ditto.
5667         (sse2_movsd) <attr "length_immediate">: Ditto.
5668         <attr "prefix">: Ditto.
5669         (vec_concatv2df)  <attr "isa">: Ditto.
5670         <attr "prefix">: Ditto.
5671         (*vec_extractv4si) <attr "prefix_extra">: Ditto.
5672         (*vec_extractv2di_1) <attr "isa">: Ditto.
5673         <attr "type">: Ditto.
5674         <attr "length_immediate">: Ditto.
5675         <attr "prefix_rex">: Ditto.
5676         <attr "prefix_extra">: Ditto.
5677         (*vec_concatv2si_sse4_1) <attr "type">: Ditto.
5678         <attr "prefix_extra">: Ditto.
5679         <attr "length_immediate">: Ditto.
5680         (vec_concatv2di) <attr "isa">: Ditto.
5681         <attr "prefix_extra">: Ditto.
5682         <attr "length_immediate">: Ditto.
5683         <attr "prefix">: Ditto.
5684
5685 2016-05-26  Martin Liska  <mliska@suse.cz>
5686
5687         * tree-ssa-loop-ivopts.c (comp_cost::infinite_cost_p): New
5688         function.
5689         (operator+): Likewise.
5690         (operator-): Likewise.
5691         (comp_cost::operator+=): Likewise.
5692         (comp_cost::operator-=): Likewise.
5693         (comp_cost::operator/=): Likewise.
5694         (comp_cost::operator*=): Likewise.
5695         (operator<): Likewise.
5696         (operator==): Likewise.
5697         (operator<=): Likewise.
5698         (new_cost): Remove.
5699         (infinite_cost_p): Likewise.
5700         (add_costs): Likewise.
5701         (sub_costs): Likewise.
5702         (compare_costs): Likewise.
5703         (set_group_iv_cost): Use the newly introduced functions.
5704         (get_address_cost): Likewise.
5705         (get_shiftadd_cost): Likewise.
5706         (force_expr_to_var_cost): Likewise.
5707         (split_address_cost): Likewise.
5708         (ptr_difference_cost): Likewise.
5709         (difference_cost): Likewise.
5710         (get_computation_cost_at): Likewise.
5711         (determine_group_iv_cost_generic): Likewise.
5712         (determine_group_iv_cost_address): Likewise.
5713         (determine_group_iv_cost_cond): Likewise.
5714         (autoinc_possible_for_pair): Likewise.
5715         (determine_group_iv_costs): Likewise.
5716         (cheaper_cost_pair): Likewise.
5717         (iv_ca_recount_cost): Likewise.
5718         (iv_ca_set_no_cp): Likewise.
5719         (iv_ca_set_cp): Likewise.
5720         (iv_ca_cost): Likewise.
5721         (iv_ca_new): Likewise.
5722         (iv_ca_dump): Likewise.
5723         (iv_ca_narrow): Likewise.
5724         (iv_ca_prune): Likewise.
5725         (iv_ca_replace): Likewise.
5726         (try_add_cand_for): Likewise.
5727         (try_improve_iv_set): Likewise.
5728         (find_optimal_iv_set): Likewise.
5729
5730 2016-05-26  Richard Sandiford  <richard.sandiford@arm.com>
5731
5732         * tree-ssa-loop-ivopts.c (loop_body_includes_call): Don't assume
5733         that internal functions will clobber all caller-saved registers.
5734
5735 2016-05-26  Wilco Dijkstra  <wdijkstr@arm.com>
5736
5737         * config/aarch64/aarch64.c (aarch64_case_values_threshold):
5738         Return a better case_values_threshold when optimizing.
5739
5740 2016-05-26  Wilco Dijkstra  <wdijkstr@arm.com>
5741
5742         * config/aarch64/aarch64-simd.md (aarch64_combinez):
5743         Add ? to integer variant.
5744         (aarch64_combinez_be): Likewise.
5745
5746 2016-05-26  Jakub Jelinek  <jakub@redhat.com>
5747
5748         * config/i386/sse.md (*vcvtps2ph_store<mask_name>): Use v constraint
5749         instead of x constraint.
5750         (vcvtps2ph256<mask_name>): Likewise.
5751
5752         * config/i386/sse.md (*ssse3_palignr<mode>_perm): Add avx512bw
5753         alternative.  Formatting fix.
5754
5755         * config/i386/sse.md
5756         (<mask_codefor>avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Rename
5757         to ...
5758         (avx512vl_shuf_<shuffletype>32x4_1<mask_name>): ... this.
5759         (*avx_vperm_broadcast_v4sf): Use v constraint instead of x.  Use
5760         maybe_evex prefix instead of vex.
5761         (*avx_vperm_broadcast_<mode>): Use v constraint instead of x.  Handle
5762         EXT_REX_SSE_REG_P (op0) case in the splitter.
5763
5764 2016-05-25  Jeff Law  <law@redhat.com>
5765
5766         PR tree-optimization/71272
5767         * tree-ssa-threadbackward.c (convert_and_register_jump_thread_path):
5768         Update comments.  Add test for empty path.
5769
5770 2016-05-25  Bill Seurer  <seurer@linux.vnet.ibm.com>
5771
5772         * config/rs6000/altivec.h (vec_cmpne): Add #define for vec_cmpne.
5773         * config/rs6000/rs6000-builtin.def (vec_cmpne): Add vec_cmpne as a
5774         special case builtin.
5775         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
5776         code for ALTIVEC_BUILTIN_VEC_CMPNE.
5777         * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
5778         for __builtin_vec_cmpne.
5779
5780 2016-05-25  Eric Botcazou  <ebotcazou@adacore.com>
5781
5782         * tree-ssa-phiopt.c (factor_out_conditional_conversion): Remove
5783         redundant test and bail out if the type of the new operand is not
5784         a GIMPLE register type after stripping a VIEW_CONVERT_EXPR.
5785
5786 2016-05-25  Uros Bizjak  <ubizjak@gmail.com>
5787
5788         * config/i386/i386.opt (ix86_target_flags_explicit): Remove.
5789         (x_ix86_target_flags_explicit): Remove.
5790         * config/i386/i386.c (ix86_function_specific_save): Do not copy
5791         x_ix86_target_flags_explicit.
5792         (ix86_function_specific_restore): Ditto.
5793
5794 2016-05-25  Uros Bizjak  <ubizjak@gmail.com>
5795             H.J. Lu  <hongjiu.lu@intel.com>
5796
5797         PR target/70738
5798         * common/config/i386/i386-common.c
5799         (OPTION_MASK_ISA_GENERAL_REGS_ONLY_UNSET): New.
5800         (ix86_handle_option) <case OPT_mgeneral_regs_only>: Disable
5801         MPX, MMX, SSE and x87 instructions for -mgeneral-regs-only.
5802         * config/i386/i386.opt (ix86_target_flags): Add new Variable.
5803         (-mgeneral-regs-only): Add new option.
5804         * config/i386/i386.c (ix86_option_override_internal): Don't enable
5805         x87 instructions if only general registers are allowed.
5806         (ix86_target_string): Add ix86_flags argument. Handle additional
5807         flags options through ix86_flags argument.  Update all callers.
5808         * doc/invoke.texi (x86 Options): Document -mgeneral-regs-only.
5809
5810 2016-05-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5811
5812         PR rtl-optimization/66940
5813         * ifcvt.c (noce_get_alt_condition): Check that incrementing or
5814         decrementing desired_val will not overflow before performing these
5815         operations.
5816
5817 2016-05-25  Ilya Verbin  <ilya.verbin@intel.com>
5818
5819         * config/i386/i386-builtin-types.def: Add V16SI_FTYPE_V16SF,
5820         V8DF_FTYPE_V8DF_ROUND, V16SF_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF_ROUND.
5821         * config/i386/i386.c (enum ix86_builtins): Add
5822         IX86_BUILTIN_CVTPS2DQ512_MASK, IX86_BUILTIN_FLOORPS512,
5823         IX86_BUILTIN_FLOORPD512, IX86_BUILTIN_CEILPS512, IX86_BUILTIN_CEILPD512,
5824         IX86_BUILTIN_TRUNCPS512, IX86_BUILTIN_TRUNCPD512,
5825         IX86_BUILTIN_CVTPS2DQ512, IX86_BUILTIN_VEC_PACK_SFIX512,
5826         IX86_BUILTIN_FLOORPS_SFIX512, IX86_BUILTIN_CEILPS_SFIX512,
5827         IX86_BUILTIN_ROUNDPS_AZ_SFIX512.
5828         (builtin_description bdesc_args): Add __builtin_ia32_floorps512,
5829         __builtin_ia32_ceilps512, __builtin_ia32_truncps512,
5830         __builtin_ia32_floorpd512, __builtin_ia32_ceilpd512,
5831         __builtin_ia32_truncpd512, __builtin_ia32_cvtps2dq512,
5832         __builtin_ia32_vec_pack_sfix512, __builtin_ia32_roundps_az_sfix512,
5833         __builtin_ia32_floorps_sfix512, __builtin_ia32_ceilps_sfix512.
5834         Change IX86_BUILTIN_CVTPS2DQ512 to IX86_BUILTIN_CVTPS2DQ512_MASK for
5835         __builtin_ia32_cvtps2dq512_mask.
5836         (ix86_expand_args_builtin): Handle V8DF_FTYPE_V8DF_ROUND,
5837         V16SF_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF.
5838         (ix86_builtin_vectorized_function): Handle builtins mentioned above.
5839         * config/i386/sse.md
5840         (<mask_codefor>avx512f_fix_notruncv16sfv16si<mask_name><round_name>):
5841         Rename to ...
5842         (avx512f_fix_notruncv16sfv16si<mask_name><round_name>): ... this.
5843         (<mask_codefor>avx512f_cvtpd2dq512<mask_name><round_name>): Rename
5844         to ...
5845         (avx512f_cvtpd2dq512<mask_name><round_name>): ... this.
5846         (avx512f_vec_pack_sfix_v8df): New define_expand.
5847         (avx512f_roundpd512): Rename to ...
5848         (avx512f_round<castmode>512): ... this.  Change iterator.
5849         (avx512f_roundps512_sfix): New define_expand.
5850         (round<mode>2_sfix): Change iterator.
5851
5852 2016-05-25  Nick Clifton  <nickc@redhat.com>
5853
5854         * config/msp430/msp430.c (msp430_attr): Produce an error if a
5855         static interrupt handler is detected.
5856         * config/msp430/msp430.h (LIB_SPEC): Do not use msp430.ld as the
5857         default linker script.
5858         * config/msp430/msp430.md (movpsihi2_lo): New pattern for loading
5859         the low part of a symbolic pointer.
5860
5861 2016-05-25  Richard Biener  <rguenther@suse.de>
5862
5863         PR tree-optimization/71261
5864         * tree-if-conv.c (ifcvt_split_def_stmt): Walk uses on the
5865         interesting stmt instead of immediate uses when looking
5866         for the use operand to replace.
5867
5868 2016-05-25  Martin Liska  <mliska@suse.cz>
5869
5870         * ipa-inline.c (edge_badness): Use 'w/' instead of 'w'.
5871
5872 2016-05-25  Richard Biener  <rguenther@suse.de>
5873
5874         PR tree-optimization/71264
5875         * tree-vect-stmts.c (vect_init_vector): Properly deal with
5876         vector type val.
5877
5878 2016-05-25  Martin Liska  <mliska@suse.cz>
5879
5880         PR tree-optimization/71239
5881         * tree.c (array_at_struct_end_p): Do not call operand_equal_p
5882         if DECL_SIZE is NULL.
5883
5884 2016-05-25  Richard Biener  <rguenther@suse.de>
5885
5886         * timevar.def (TV_TREE_LOOP_IFCVT): Add.
5887         * tree-if-conv.c (pass_data_if_conversion): Use it.
5888
5889 2016-05-25  Bernd Edlinger  <bernd.edlinger@hotmail.de>
5890
5891         * cgraph.c (cgraph_node::get_availability): Fix typo in comment.
5892         * symtab.c (symtab_node::binds_to_current_def_p): Likewise.
5893         * varpool.c (varpool_node::get_availability): Likewise.
5894
5895 2016-05-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
5896
5897         * config/rs6000/altivec.md (VNEG iterator): New iterator for
5898         VNEGW/VNEGD instructions.
5899         (p9_neg<mode>2): New insns for ISA 3.0 VNEGW/VNEGD.
5900         (neg<mode>2): Add expander for V2DImode added in ISA 2.07, and
5901         support for ISA 3.0 VNEGW/VNEGD instructions.
5902
5903 2016-05-24  Cesar Philippidis  <cesar@codesourcery.com>
5904
5905         * gimplify.c (omp_notice_variable): Use zero-length arrays for data
5906         pointers inside OACC_DATA regions.
5907         (gimplify_scan_omp_clauses): Prune firstprivate clause associated
5908         with OACC_DATA, OACC_ENTER_DATA and OACC_EXIT data regions.
5909         (gimplify_adjust_omp_clauses): Fix typo in comment.
5910
5911 2016-05-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
5912
5913         * config/rs6000/altivec.md (VParity): New mode iterator for vector
5914         parity built-in functions.
5915         (p9v_ctz<mode>2): Add support for ISA 3.0 vector count trailing
5916         zeros.
5917         (p9v_parity<mode>2): Likewise.
5918         * config/rs6000/vector.md (VEC_IP): New mode iterator for vector
5919         parity.
5920         (ctz<mode>2): ISA 3.0 expander for vector count trailing zeros.
5921         (parity<mode>2): ISA 3.0 expander for vector parity.
5922         * config/rs6000/rs6000-builtin.def (BU_P9_MISC_1): New macros for
5923         power9 built-ins.
5924         (BU_P9_64BIT_MISC_0): Likewise.
5925         (BU_P9_MISC_0): Likewise.
5926         (BU_P9V_AV_1): Likewise.
5927         (BU_P9V_AV_2): Likewise.
5928         (BU_P9V_AV_3): Likewise.
5929         (BU_P9V_AV_P): Likewise.
5930         (BU_P9V_VSX_1): Likewise.
5931         (BU_P9V_OVERLOAD_1): Likewise.
5932         (BU_P9V_OVERLOAD_2): Likewise.
5933         (BU_P9V_OVERLOAD_3): Likewise.
5934         (VCTZB): Add vector count trailing zeros support.
5935         (VCTZH): Likewise.
5936         (VCTZW): Likewise.
5937         (VCTZD): Likewise.
5938         (VPRTYBD): Add vector parity support.
5939         (VPRTYBQ): Likewise.
5940         (VPRTYBW): Likewise.
5941         (VCTZ): Add overloaded vector count trailing zeros support.
5942         (VPRTYB): Add overloaded vector parity support.
5943         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
5944         overloaded vector count trailing zeros and parity instructions.
5945         * config/rs6000/rs6000.md (wd mode attribute): Add V1TI and TI for
5946         vector parity support.
5947         * config/rs6000/altivec.h (vec_vctz): Add ISA 3.0 vector count
5948         trailing zeros support.
5949         (vec_cntlz): Likewise.
5950         (vec_vctzb): Likewise.
5951         (vec_vctzd): Likewise.
5952         (vec_vctzh): Likewise.
5953         (vec_vctzw): Likewise.
5954         (vec_vprtyb): Add ISA 3.0 vector parity support.
5955         (vec_vprtybd): Likewise.
5956         (vec_vprtybw): Likewise.
5957         (vec_vprtybq): Likewise.
5958         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
5959         the ISA 3.0 vector count trailing zeros and vector parity built-in
5960         functions.
5961
5962 2016-05-24  Kugan Vivekanandarajah  <kuganv@linaro.org>
5963
5964         * tree-ssa-reassoc.c (sort_by_operand_rank): Skip checking gimple_bb
5965         when there is stmt_to_insert.
5966
5967 2016-05-24  Martin Sebor  <msebor@redhat.com>
5968
5969         PR c++/71147
5970         * tree.h (complete_or_array_type_p): New inline function.
5971
5972 2016-05-24  Jakub Jelinek  <jakub@redhat.com>
5973
5974         * config/i386/i386.h (TARGET_AVOID_4BYTE_PREFIXES): Define.
5975         * config/i386/constraints.md (Yr): Test TARGET_AVOID_4BYTE_PREFIXES
5976         rather than X86_TUNE_AVOID_4BYTE_PREFIXES.
5977
5978         * config/i386/sse.md (<sse4_1>_round<ssemodesuffix><avxsizesuffix>):
5979         Limit 1st alternative to noavx isa, split 2nd alternative into one
5980         noavx and one avx alternative, use *x and Bm in the former and
5981         x and m in the latter.
5982
5983         * config/i386/sse.md (vec_set<mode>_0): Use sse4_noavx isa instead
5984         of sse4 for the first alternative, drop %v from the template
5985         and d operand modifier.  Split second alternative into one sse4_noavx
5986         and one avx alternative, use *x instead of *v in the former and v
5987         instead of *v in the latter.
5988         (*sse4_1_extractps): Use noavx isa instead of * for the first
5989         alternative, drop %v from the template.  Split second alternative into
5990         one noavx and one avx alternative, use *x instead of *v in the
5991         former and v instead of *v in the latter.
5992         (<vi8_sse4_1_avx2_avx512>_movntdqa): Guard the first 2 alternatives
5993         with noavx and the last one with avx.
5994         (sse4_1_phminposuw): Guard first alternative with noavx isa,
5995         split the second one into one noavx and one avx alternative,
5996         use *x and Bm in the former and x and m in the latter one.
5997         (<sse4_1>_ptest<mode>): Use noavx instead of * for the first two
5998         alternatives.
5999
6000         * config/i386/sse.md (sse4_1_<code>v8qiv8hi2<mask_name>): Limit
6001         first two alternatives to noavx, use *x instead of *v in the second
6002         one, add avx alternative without *.
6003         (sse4_1_<code>v4qiv4si2<mask_name>, sse4_1_<code>v4hiv4si2<mask_name>,
6004         sse4_1_<code>v2qiv2di2<mask_name>, sse4_1_<code>v2hiv2di2<mask_name>,
6005         sse4_1_<code>v2siv2di2<mask_name>): Likewise.
6006
6007 2016-05-24  Jeff Law  <law@redhat.com>
6008
6009         * tree-ssa-threadbackwards.c (convert_and_register_jump_thread_path):
6010         New function, extracted from...
6011         (fsm_find_control_statement_thread_paths): Here.  Use the new function.
6012         Allow simple copies and constant initializations in the SSA chain.
6013
6014 2016-05-24  Marek Polacek  <polacek@redhat.com>
6015
6016         PR c/71249
6017         * gimplify.c (gimplify_switch_expr): Look into the innermost lexical
6018         scope.
6019
6020 2016-05-24  Jakub Jelinek  <jakub@redhat.com>
6021
6022         PR c++/71257
6023         * tree-vect-stmts.c (vectorizable_simd_clone_call): Handle
6024         SIMD_CLONE_ARG_TYPE_LINEAR_REF_CONSTANT_STEP like
6025         SIMD_CLONE_ARG_TYPE_LINEAR_CONSTANT_STEP.  Add
6026         SIMD_CLONE_ARG_TYPE_LINEAR_VAL_CONSTANT_STEP and
6027         SIMD_CLONE_ARG_TYPE_LINEAR_UVAL_CONSTANT_STEP cases explicitly.
6028
6029 2016-05-24  Richard Biener  <rguenther@suse.de>
6030
6031         PR tree-optimization/71240
6032         * tree-ssa-math-opts.c (init_symbolic_number): Verify the source
6033         has integral type.
6034
6035 2016-05-24  Richard Biener  <rguenther@suse.de>
6036
6037         PR tree-optimization/71230
6038         * tree-ssa-reassoc.c (zero_one_operation): Handle negate special ops.
6039
6040 2016-05-24  Richard Sandiford  <richard.sandiford@arm.com>
6041
6042         * tree-vectorizer.h (vectorizable_comparison): Delete.
6043         * tree-vect-loop.c (vectorizable_reduction): Remove redundant
6044         PURE_SLP_STMT check.
6045         * tree-vect-stmts.c (vectorizable_call): Likewise.
6046         (vectorizable_simd_clone_call): Likewise.
6047         (vectorizable_conversion): Likewise.
6048         (vectorizable_assignment): Likewise.
6049         (vectorizable_shift): Likewise.
6050         (vectorizable_operation): Likewise.
6051         (vectorizable_load): Likewise.
6052         (vectorizable_condition): Likewise.
6053         (vectorizable_store): Likewise.  Assert that we don't have
6054         hybrid SLP.
6055         (vectorizable_comparison): Make static.  Remove redundant
6056         PURE_SLP_STMT check.
6057         (vect_transform_stmt): Assert that we always have an slp_node
6058         if PURE_SLP_STMT.
6059
6060 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6061
6062         * config/arm/neon.md (ashldi3_neon):  Replace comparison of INTVAL of
6063         operands[2] against 1 with comparison against CONST1_RTX.
6064         (<shift>di3_neon): Likewise.
6065         * config/arm/predicates.md (const0_operand): Replace with comparison
6066         against CONST0_RTX.
6067
6068 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6069
6070         * config/arm/arm.md (ashldi3): Replace comparison of INTVAL of
6071         operands[2] against 1 with comparison against CONST1_RTX.
6072         (ashrdi3): Likewise.
6073         (lshrdi3): Likewise.
6074         (ashlsi3): Replace cast of INTVAL to unsigned HOST_WIDE_INT with
6075         UINTVAL.
6076         (ashrsi3): Likewise.
6077         (lshrsi3): Likewise.
6078         (rotrsi3): Likewise.
6079         (define_split above *compareqi_eq0): Likewise.
6080         (define_split above "prologue"): Likewise.
6081         * config/arm/arm.c (thumb1_size_rtx_costs): Likewise.
6082         * config/arm/predicates.md (shift_operator): Likewise.
6083         (shift_nomul_operator): Likewise.
6084         (sat_shift_operator): Likewise.
6085         (thumb1_cmp_operand): Likewise.
6086         (const_neon_scalar_shift_amount_operand): Replace manual range
6087         check with IN_RANGE.
6088         * config/arm/thumb1.md (define_peephole2 above *thumb_subdi3):
6089         Replace cast of INTVAL to unsigned HOST_WIDE_INT with UINTVAL.
6090
6091 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6092
6093         * config/arm/arm.md (andsi3): Replace cast of 1 to HOST_WIDE_INT
6094         with HOST_WIDE_INT_1.
6095         (insv): Likewise.
6096         * config/arm/arm.c (optimal_immediate_sequence): Replace cast of
6097         1 to unsigned HOST_WIDE_INT with HOST_WIDE_INT_1U.
6098         (arm_canonicalize_comparison): Likewise.
6099         (thumb1_rtx_costs): Replace cast of 1 to HOST_WIDE_INT with
6100         HOST_WIDE_INT_1.
6101         (thumb1_size_rtx_costs): Likewise.
6102         (vfp_const_double_index): Replace cast of 1 to unsigned
6103         HOST_WIDE_INT with HOST_WIDE_INT_1U.
6104         (get_jump_table_size): Replace cast of 1 to HOST_WIDE_INT with
6105         HOST_WIDE_INT_1.
6106         (arm_asan_shadow_offset): Replace cast of 1 to unsigned
6107         HOST_WIDE_INT with HOST_WIDE_INT_1U.
6108         * config/arm/neon.md (vec_set<mode>): Replace cast of 1 to
6109         HOST_WIDE_INT with HOST_WIDE_INT_1.
6110
6111 2016-05-24  Marek Polacek  <polacek@redhat.com>
6112
6113         * tree-cfg.h (should_remove_lhs_p): New predicate.
6114         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Use it.
6115         * gimplify.c (gimplify_modify_expr): Likewise.
6116         * tree-cfg.c (verify_gimple_call): Likewise.
6117         * tree-cfgcleanup.c (fixup_noreturn_call): Likewise.
6118         * gimple-fold.c: Include "tree-cfg.h".
6119         (gimple_fold_call): Use should_remove_lhs_p.
6120
6121 2016-05-24  Richard Biener  <rguenther@suse.de>
6122
6123         PR tree-optimization/71253
6124         * cfganal.h (control_dependences): Make robust against edge
6125         and BB removal.
6126         (control_dependences::control_dependences): Remove edge_list argument.
6127         (control_dependences::get_edge): Remove.
6128         (control_dependences::get_edge_src): Add.
6129         (control_dependences::get_edge_dest): Likewise.
6130         (control_dependences::m_el): Make a vector of edge src/dest index.
6131         * cfganal.c (control_dependences::find_control_dependence): Adjust.
6132         (control_dependences::control_dependences): Likewise.
6133         (control_dependences::~control_dependence): Likewise.
6134         (control_dependences::get_edge): Remove.
6135         (control_dependences::get_edge_src): Add.
6136         (control_dependences::get_edge_dest): Likewise.
6137         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Use
6138         get_edge_src.
6139         (perform_tree_ssa_dce): Adjust.
6140         * tree-loop-distribution.c (create_edge_for_control_dependence): Use
6141         get_edge_src.
6142         (pass_loop_distribution::execute): Adjust.  Do loop destroying
6143         conditional on changed.
6144
6145 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6146
6147         PR target/69857
6148         * config/arm/arm.c (gen_operands_ldrd_strd): Remove bogus early
6149         return.  Reindent transformation comment and mention the ARM state
6150         behavior.
6151
6152 2016-05-24  Kugan Vivekanandarajah  <kuganv@linaro.org>
6153
6154         PR middle-end/71252
6155         * tree-ssa-reassoc.c (rewrite_expr_tree_parallel): Add stmt_to_insert
6156         after build_and_add_sum creates new use stmt.
6157
6158 2016-05-24  Richard Sandiford  <richard.sandiford@arm.com>
6159
6160         * tree-vect-stmts.c (vectorizable_load): Reorder checks so that
6161         load_lanes/grouped_load classification comes first.  Don't check
6162         whether the vectorization factor is a multiple of the group size
6163         for load_lanes.
6164
6165 2016-05-24  Richard Sandiford  <richard.sandiford@arm.com>
6166
6167         * tree-vect-data-refs.c (vect_analyze_group_access_1): Set
6168         GROUP_GAP for single-element interleaving.
6169         * tree-vect-stmts.c (vectorizable_load): Remove force_peeling
6170         variable.
6171
6172 2016-05-24  Richard Biener  <rguenther@suse.de>
6173
6174         PR middle-end/70434
6175         PR c/69504
6176         * tree-ssa.c (non_rewritable_mem_ref_base): Make sure to mark
6177         bases which are accessed with non-invariant indices.
6178         * gimple-fold.c (maybe_canonicalize_mem_ref_addr): Re-write
6179         constant index ARRAY_REFs of vectors into BIT_FIELD_REFs.
6180
6181 2016-05-24  Kugan Vivekanandarajah  <kuganv@linaro.org>
6182
6183         PR middle-end/71170
6184         * tree-ssa-reassoc.c (struct operand_entry): Add field stmt_to_insert.
6185         (add_to_ops_vec): Add stmt_to_insert.
6186         (add_repeat_to_ops_vec): Init stmt_to_insert.
6187         (insert_stmt_before_use): New.
6188         (transform_add_to_multiply): Remove mult_stmt insertion and add it
6189         to ops vector.
6190         (get_ops): Init stmt_to_insert.
6191         (maybe_optimize_range_tests): Likewise.
6192         (rewrite_expr_tree): Insert stmt_to_insert before use stmt.
6193         (rewrite_expr_tree_parallel): Likewise.
6194         (reassociate_bb): Likewise.
6195
6196 2016-05-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
6197
6198         PR target/71201
6199         * config/rs6000/altivec.md (altivec_vperm_<mode>_internal): Drop
6200         ISA 3.0 xxperm fusion alternative.
6201         (altivec_vperm_v8hiv16qi): Likewise.
6202         (altivec_vperm_<mode>_uns_internal): Likewise.
6203         (vperm_v8hiv4si): Likewise.
6204         (vperm_v16qiv8hi): Likewise.
6205
6206 2016-05-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
6207             Kelvin Nilsen  <kelvin@gcc.gnu.org>
6208
6209         * config/rs6000/rs6000.c (rs6000_expand_vector_set): Generate
6210         vpermr/xxpermr on ISA 3.0.
6211         (altivec_expand_vec_perm_le): Likewise.
6212         * config/rs6000/altivec.md (UNSPEC_VPERMR): New unspec.
6213         (altivec_vpermr_<mode>_internal): Add VPERMR/XXPERMR support for
6214         ISA 3.0.
6215
6216 2016-05-23  Uros Bizjak  <ubizjak@gmail.com>
6217
6218         * config/i386/i386.h (IS_STACK_MODE): Enable for
6219         TARGET_MIX_SSE_I387.  Rewrite using X87_FLOAT_MODE_P and
6220         SSE_FLOAT_MODE_P macros.
6221         * config/i386/i386.c (ix86_preferred_reload_class): Use
6222         IS_STACK_MODE, INTEGER_CLASS_P, FLOAT_CLASS_P and Q_CLASS_P macros.
6223         Cleanup regclass processing for CONST_DOUBLE_P.
6224         (ix86_preferred_output_reload_class): Use IS_STACK_MODE macro.
6225         (ix86_rtx_costs): Remove redundant TARGET_80387 check
6226         with IS_STACK_MODE macro.
6227         * config/i386/i386.md: Replace SSE_FLOAT_MODE_P (DFmode)
6228         with TARGET_SSE2.
6229         (*movdf_internal): Use IS_STACK_MODE macro.
6230         (*movsf_internal): Ditto.
6231
6232 2016-05-23  Marc Glisse  <marc.glisse@inria.fr>
6233
6234         * match.pd (a * (1 << b), ~x & ~y, ~X ^ ~Y, (X ^ Y) ^ Y, ~ (-A),
6235         ~ (A - 1), ~(~X >> Y), ~(~X >>r Y)): Relax constraints.
6236
6237 2016-05-23  Jeff Law  <law@redhat.com>
6238
6239         * tree-ssa-threadbackward.c (profitable_jump_thread_path): New function
6240         extracted from ...
6241         (fsm_find_control_statement_thread_paths): Call it.
6242
6243 2016-05-23  Martin Jambor  <mjambor@suse.cz>
6244
6245         PR ipa/71234
6246         * ipa-cp.c (ipa_get_indirect_edge_target_1): Only check value of
6247         from_global_constant if t is not NULL.
6248
6249 2016-05-23  Marek Polacek  <polacek@redhat.com>
6250
6251         PR c/49859
6252         * common.opt (Wswitch-unreachable): New option.
6253         * doc/invoke.texi: Document -Wswitch-unreachable.
6254         * gimplify.c (gimplify_switch_expr): Implement the -Wswitch-unreachable
6255         warning.
6256
6257 2016-05-23  Bin Cheng  <bin.cheng@arm.com>
6258
6259         * tree-ssa-address.c (copy_ref_info): Check NULL TMR_STEP when
6260         TMR_INDEX is non-NULL.
6261
6262 2016-05-23  Richard Biener  <rguenther@suse.de>
6263
6264         PR tree-optimization/71230
6265         * tree-ssa-reassoc.c (acceptable_pow_call): Move initial condition...
6266         (try_special_add_to_ops): ... here.  Always test for single-use.
6267
6268 2016-05-23  Martin Jambor  <mjambor@suse.cz>
6269
6270         * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Create an empty
6271         default block if a PHI node in the original one would be resized.
6272
6273 2016-05-23  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
6274
6275         PR tree-optimization/58135
6276         * tree-vect-slp.c: When group size is not multiple
6277         of vector size, allow splitting of store group at
6278         vector boundary.
6279
6280 2016-05-23  Christophe Lyon  <christophe.lyon@linaro.org>
6281
6282         * config/arm/arm_neon.h (vtst_p16, vtstq_p16): New.
6283
6284 2016-05-22  Jakub Jelinek  <jakub@redhat.com>
6285
6286         * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
6287         vec_set_hi_<mode><mask_name>): Add && <mask_avx512dq_condition>
6288         condition.  For !TARGET_AVX512DQ, emit 32x4 instruction instead
6289         of 64x2.
6290
6291         * config/i386/sse.md (vec_set_lo_v16hi, vec_set_hi_v16hi,
6292         vec_set_lo_v32qi, vec_set_hi_v32qi): Add alternative with
6293         v constraint instead of x and vinserti32x4 insn.
6294
6295         * config/i386/sse.md (i128vldq): New mode iterator.
6296         (avx2_vbroadcasti128_<mode>, avx_vbroadcastf128_<mode>): Add
6297         avx512dq and avx512vl alternatives.
6298
6299         * config/i386/sse.md (avx2_vec_dupv4df): Use v instead of x
6300         constraint, use maybe_evex prefix instead of vex.
6301         (vec_dupv4sf): Use v constraint instead of x for output
6302         operand except for noavx alternative, use Yv constraint
6303         instead of x for input.  Use maybe_evex prefix instead of vex.
6304         (*vec_dupv4si): Likewise.
6305         (*vec_dupv2di): Likewise.
6306
6307 2016-05-22  Kugan Vivekanandarajah  <kuganv@linaro.org>
6308
6309         PR middle-end/40921
6310         * tree-ssa-reassoc.c (try_special_add_to_ops): New.
6311         (linearize_expr_tree): Call try_special_add_to_ops.
6312         (reassociate_bb): Convert MULT_EXPR by (-1) to NEGATE_EXPR.
6313
6314 2016-05-21  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
6315
6316         * config/avr/avr.c (avr_expand_prologue): Add INCOMING_FRAME_SP_OFFSET
6317         to computed stack_usage.
6318
6319 2016-05-21  Pitchumani Sivanupandi  <pitchumani.s@atmel.com>
6320
6321         PR target/71103
6322         * config/avr/avr.md (define_expand "mov<mode>"): If the source
6323         operand is subreg (symbol_ref) then move the symbol ref to register.
6324
6325 2016-05-21  Jan Hubicka  <hubicka@ucw.cz>
6326
6327         * tree.c (array_at_struct_end_p): Look through MEM_REF.
6328
6329 2016-05-21  Kugan Vivekanandarajah  <kuganv@linaro.org>
6330
6331         PR middle-end/71179
6332         * tree-ssa-reassoc.c (transform_add_to_multiply): Disallow float
6333         VECTOR type.
6334
6335 2016-05-20  Eric Botcazou  <ebotcazou@adacore.com>
6336
6337         * tree-vrp.c (compare_values_warnv): Simplify handling of symbolic
6338         ranges by calling get_single_symbol and tidy up.  Look more closely
6339         into NAME + CST1 vs CST2 comparisons if type overflow is undefined.
6340
6341 2016-05-20  Jeff Law  <law@redhat.com>
6342
6343         * bitmap.c (bitmap_find_bit): Remove useless test.
6344
6345 2016-05-20  Segher Boessenkool  <segher@kernel.crashing.org>
6346
6347         * function.c (thread_prologue_and_epilogue_insns): Commit the
6348         insertion of the epilogue.
6349
6350 2016-05-20  Martin Jambor  <mjambor@suse.cz>
6351
6352         PR tree-optimization/70884
6353         * tree-sra.c (initialize_constant_pool_replacements): Do not check
6354         should_scalarize_away_bitmap and cannot_scalarize_away_bitmap bits.
6355         (sort_and_splice_var_accesses): Do not consider multiple scalar reads
6356         of constant pool data as a reason for scalarization.
6357
6358 2016-05-20  Eric Botcazou  <ebotcazou@adacore.com>
6359
6360         * config/arm/arm.c (arm_expand_prologue): Set the stack usage to 0
6361         for naked functions.
6362         (thumb1_expand_prologue): Likewise.
6363
6364 2016-05-20  Nathan Sidwell  <nathan@acm.org>
6365
6366         * config/nvptx/nptx.c (nvptx_option_override): Only set
6367         flag_toplevel_reorder, if not explicitly specified.  Set
6368         flag_no_common, unless explicitly specified.
6369
6370 2016-05-20  David Malcolm  <dmalcolm@redhat.com>
6371
6372         * calls.c (can_implement_as_sibling_call_p): Mark param
6373         reg_parm_stack_space with ATTRIBUTE_UNUSED.
6374
6375 2016-05-20  Uros Bizjak  <ubizjak@gmail.com>
6376
6377         * config/i386/i386.c (ix86_rtx_costs) <case CONST_DOUBLE>:
6378         Use IS_STACK_MODE when calculating cost of standard 80387 constants.
6379         Fallthru to CONST_VECTOR case to calculate cost of standard SSE
6380         constants.
6381         <case CONST_WIDE_INT>: Calculate cost of (MEM (SYMBOL_REF)).
6382         (ix86_legitimate_constant_p): Use CASE_CONST_SCALAR_INT
6383         and CASE_CONST_ANY.
6384
6385 2016-05-20  Cesar Philippidis  <cesar@codesourcery.com>
6386
6387         * config/nvptx/nvptx.md (sincossf3): New pattern.
6388
6389 2016-05-20  David Malcolm  <dmalcolm@redhat.com>
6390
6391         * calls.c (maybe_complain_about_tail_call): New function.
6392         (initialize_argument_information): Call
6393         maybe_complain_about_tail_call when clearing *may_tailcall.
6394         (can_implement_as_sibling_call_p): Call
6395         maybe_complain_about_tail_call when returning false.
6396         (expand_call): Read CALL_EXPR_MUST_TAIL_CALL and, if set,
6397         ensure try_tail_call is set.  Call maybe_complain_about_tail_call
6398         if tail-call optimization fails.
6399         * cfgexpand.c (expand_call_stmt): Initialize
6400         CALL_EXPR_MUST_TAIL_CALL from gimple_call_must_tail_p.
6401         * gimple-pretty-print.c (dump_gimple_call): Dump
6402         gimple_call_must_tail_p.
6403         * gimple.c (gimple_build_call_from_tree): Call
6404         gimple_call_set_must_tail with the value of
6405         CALL_EXPR_MUST_TAIL_CALL.
6406         * gimple.h (enum gf_mask): Add GF_CALL_MUST_TAIL_CALL.
6407         (gimple_call_set_must_tail): New function.
6408         (gimple_call_must_tail_p): New function.
6409         * print-tree.c (print_node): Update printing of TREE_STATIC
6410         to reflect its use for CALL_EXPR_MUST_TAIL_CALL.
6411         * tree-core.h (struct tree_base): Add MUST_TAIL_CALL to the
6412         trailing comment listing applicable flags.
6413         * tree.h (CALL_EXPR_MUST_TAIL_CALL): New macro.
6414
6415 2016-05-20  David Malcolm  <dmalcolm@redhat.com>
6416
6417         * calls.c (expand_call): Move "Rest of purposes for tail call
6418         optimizations to fail" to...
6419         (can_implement_as_sibling_call_p): ...this new function, and
6420         split into multiple "if" statements.
6421
6422 2016-05-20  Jan Hubicka  <hubicka@ucw.cz>
6423
6424         * cfgloop.h (expected_loop_iterations_unbounded,
6425         expected_loop_iterations): Unconstify.
6426         * cfgloopanal.c (expected_loop_iterations_unbounded): Sanity check the
6427         profile with known upper bound; return 3 when profile is absent.
6428         (expected_loop_iterations): Update.
6429
6430 2016-05-20  Jan Hubicka  <hubicka@ucw.cz>
6431
6432         * loop-doloop.c (doloop_optimize): Use get_estimated_loop_iterations_int
6433         and get_max_loop_iterations_int.
6434
6435 2016-05-20  Jan Hubicka  <hubicka@ucw.cz>
6436
6437         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can not produce
6438         realistic upper bounds here.
6439
6440 2016-05-20  Jakub Jelinek  <jakub@redhat.com>
6441
6442         PR c++/71210
6443         * gimple-fold.c (gimple_fold_call): Do not remove lhs of noreturn
6444         calls if the LHS is variable length or has addressable type.
6445         If targets[0]->decl is a noreturn call with void return type and
6446         zero arguments, adjust fntype and remove lhs in that case.
6447
6448 2016-05-20  Marc Glisse  <marc.glisse@inria.fr>
6449
6450         PR tree-optimization/71079
6451         PR tree-optimization/71206
6452         * match.pd ((X ^ Y) ^ (X ^ Z)): Convert the arguments.
6453
6454 2016-05-20  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
6455
6456         * tree-vectorizer.c (get_vec_alignment_for_decl): New static function.
6457         (get_vec_alignment_for_array_decl): Likewise.
6458         (get_vec_alignment_for_record_decl): Likewise.
6459         (increase_alignment::execute): Move code to find alignment to
6460         get_vec_alignment_for_array_decl and call get_vec_alignment_for_decl.
6461         (type_align_map): New hash_map.
6462
6463 2016-05-20  Richard Guenther  <rguenther@suse.de>
6464
6465         PR tree-optimization/29756
6466         * tree.def (BIT_INSERT_EXPR): New tcc_expression tree code.
6467         * expr.c (expand_expr_real_2): Handle BIT_INSERT_EXPR.
6468         * fold-const.c (operand_equal_p): Likewise.
6469         (fold_ternary_loc): Add constant folding of BIT_INSERT_EXPR.
6470         * gimplify.c (gimplify_expr): Handle BIT_INSERT_EXPR.
6471         * tree-inline.c (estimate_operator_cost): Likewise.
6472         * tree-pretty-print.c (dump_generic_node): Likewise.
6473         * tree-ssa-operands.c (get_expr_operands): Likewise.
6474         * cfgexpand.c (expand_debug_expr): Likewise.
6475         * gimple-pretty-print.c (dump_ternary_rhs): Likewise.
6476         * gimple.c (get_gimple_rhs_num_ops): Handle BIT_INSERT_EXPR.
6477         * tree-cfg.c (verify_gimple_assign_ternary): Verify BIT_INSERT_EXPR.
6478         * tree-ssa.c (non_rewritable_lvalue_p): We can rewrite
6479         vector inserts using BIT_FIELD_REF or MEM_REF on the lhs.
6480         (execute_update_addresses_taken): Do it.
6481
6482 2016-05-20  Richard Biener  <rguenther@suse.de>
6483
6484         PR tree-optimization/71185
6485         * tree-ssa-loop-prefetch.c (gather_memory_references): Drop
6486         register operations.
6487
6488 2016-05-20  Richard Biener  <rguenther@suse.de>
6489
6490         * tree-if-conv.c (add_bb_predicate_gimplified_stmts): Use
6491         gimple_seq_add_seq_without_update.
6492         (release_bb_predicate): Assert we have no operands to free.
6493         (if_convertible_loop_p_1): Calculate post dominators later.
6494         Do not free BB predicates here.
6495         (combine_blocks): Do not recompute BB predicates.
6496         (version_loop_for_if_conversion): Save BB predicates around
6497         loop versioning.
6498
6499 2016-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
6500
6501         * function.c (make_epilogue_seq): Remove epilogue_end parameter.
6502         (thread_prologue_and_epilogue_insns): Remove bb_flags.  Restructure
6503         code.  Ignore sibcalls on EDGE_IGNORE edges.
6504         * shrink-wrap.c (handle_simple_exit): New function.  Set EDGE_IGNORE
6505         on edges for sibcalls that run without prologue.  The rest of the
6506         function is combined from...
6507         (fix_fake_fallthrough_edge): ... this, and ...
6508         (try_shrink_wrapping): ... a part of this.  Remove the bb_with
6509         function argument, make it a local variable.
6510
6511 2016-05-19  Sandra Loosemore  <sandra@codesourcery.com>
6512
6513         * config/i386/cygming.h (DWARF2_UNWIND_INFO): Allow
6514         --disable-sjlj-exceptions for TARGET_BI_ARCH to select DWARF-2 EH
6515         for 32-bit mode and SEH for 64-bit.
6516         * config/i386/mingw32.h (SHARED_LIBGCC_UNDEFS_SPEC): Handle
6517         TARGET_64BIT_DEFAULT.
6518
6519 2016-05-19  Ryan Burn  <contact@rnburn.com>
6520
6521         * Makefile.in (GTFILES): Add cilk.h and cilk-common.c.
6522         * gengtype.c (open_base_files): Add cilk.h to ifiles.
6523
6524 2016-05-19  Uros Bizjak  <ubizjak@gmail.com>
6525
6526         * sched-deps.c (sched_analyze_2) <case TRAP_IF>: Also
6527         force pending loads from memory.
6528
6529 2016-05-19  Kelvin Nilsen  <kelvin@gcc.gnu.org>
6530
6531         * config/rs6000/altivec.md (UNSPEC_DARN): New unspec constant.
6532         (UNSPEC_DARN_32): New unspec constant.
6533         (UNSPEC_DARN_RAW): New unspec constant.
6534         (darn_32): New instruction.
6535         (darn_raw): New instruction.
6536         (darn): New instruction.
6537         * config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_0): Add
6538         support and documentation for this macro.
6539         (BU_P9_MISC_1): New macro definition.
6540         (BU_P9_64BIT_MISC_0): New macro definition.
6541         (BU_P9_MISC_0): New macro definition.
6542         (darn_32): New builtin definition.
6543         (darn_raw): New builtin definition.
6544         (darn): New builtin definition.
6545         * config/rs6000/rs6000.c: Add #define RS6000_BUILTIN_0 and #undef
6546         RS6000_BUILTIN_0 directives to surround each occurrence of
6547         #include "rs6000-builtin.def".
6548         (rs6000_builtin_mask_calculate): Add in the RS6000_BTM_MODULO and
6549         RS6000_BTM_64BIT flags to the returned mask, depending on
6550         configuration.
6551         (def_builtin): Correct an error in the assignments made to the
6552         debugging variable attr_string.
6553         (rs6000_expand_builtin): Add support for no-operand built-in
6554         functions.
6555         (builtin_function_type): Remove fatal_error assertion that is no
6556         longer valid.
6557         (rs6000_common_init_builtins): Add support for no-operand built-in
6558         functions.
6559         * config/rs6000/rs6000.h (RS6000_BTM_MODULO): New macro
6560         definition.
6561         (RS6000_BTM_PURE): Enhance comment to clarify intent of this flag
6562         definition.
6563         (RS6000_BTM_64BIT): New macro definition.
6564         * doc/extend.texi: Document __builtin_darn (void),
6565         __builtin_darn_raw (void), and __builtin_darn_32 (void) built-in
6566         functions.
6567
6568 2016-05-19  Jan Hubicka  <hubicka@ucw.cz>
6569
6570         * tree-vect-loop.c (vect_analyze_loop_2): Use also
6571         max_loop_iterations_int.
6572
6573 2016-05-19  Marek Polacek  <polacek@redhat.com>
6574
6575         PR tree-optimization/71031
6576         * tree-vrp.c (extract_range_from_binary_expr_1): Turn assert into a
6577         condition and adjust the code a bit.
6578
6579 2016-05-19  Martin Liska  <mliska@suse.cz>
6580
6581         * tree-vect-stmts.c (vectorizable_simd_clone_call): Utilize
6582         auto_vec instead of vec.
6583
6584 2016-05-19  Martin Liska  <mliska@suse.cz>
6585
6586         * tree-parloops.c (oacc_entry_exit_ok): Release a vector.
6587
6588 2016-05-19  Martin Liska  <mliska@suse.cz>
6589
6590         * tree-if-conv.c (ifcvt_repair_bool_pattern): Utilize auto_vecs.
6591
6592 2016-05-19  Martin Liska  <mliska@suse.cz>
6593
6594         * ipa-pure-const.c (set_function_state): Remove an existing
6595         funct_state.
6596         (remove_node_data): Do not free it as it's released
6597         in set_function_state.
6598
6599 2016-05-19  Martin Liska  <mliska@suse.cz>
6600
6601         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Release
6602         bitmap.
6603
6604 2016-05-19  Martin Liska  <mliska@suse.cz>
6605
6606         * omp-simd-clone.c (simd_clone_adjust): Release vector.
6607
6608 2016-05-19  Martin Liska  <mliska@suse.cz>
6609
6610         * tree-ssa-reassoc.c (eliminate_duplicate_pair): Truncate
6611         an auto_vec instead of re-creating it.
6612
6613 2016-05-19  Martin Liska  <mliska@suse.cz>
6614
6615         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Use
6616         auto_vec instead of vec.
6617
6618 2016-05-19  Martin Liska  <mliska@suse.cz>
6619
6620         * lto-section-in.c (lto_get_section_data): Call
6621         lto_check_version with additional argument.
6622         * lto-streamer.c (lto_check_version): Add new argument.
6623         * lto-streamer.h (lto_check_version): Likewise.
6624
6625 2016-05-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6626
6627         * config/arm/arm.c (arm_new_rtx_costs, SIGN_EXTEND case):
6628         Don't add cost of inner memory when handling sign-extended loads.
6629
6630 2016-05-19  Ilya Enkovich  <ilya.enkovich@intel.com>
6631
6632         PR rtl-optimization/71148
6633         * cse.c (cse_main): Free dominance info.
6634         (rest_of_handle_cse): Don't free dominance info.
6635         (rest_of_handle_cse2): Likewise.
6636         (rest_of_handle_cse_after_global_opts): Likewise.
6637
6638 2016-05-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6639
6640         PR target/71056
6641         * config/arm/arm-builtins.c (arm_builtin_vectorized_function): Return
6642         NULL_TREE early if NEON is not available.  Remove now redundant check
6643         in ARM_CHECK_BUILTIN_MODE.
6644
6645 2016-05-19  Maxim Ostapenko  <m.ostapenko@samsung.com>
6646
6647         PR sanitizer/64354
6648         * cppbuiltin.c (define_builtin_macros_for_compilation_flags): Add new
6649         builtin __SANITIZE_THREAD__ macros for fsanitize=thread switch.
6650         * doc/cpp.texi: Document new macros.
6651
6652 2016-05-19 Bin Cheng  <bin.cheng@arm.com>
6653
6654         PR tree-optimization/69848
6655         * tree-vect-loop.c (vectorizable_reduction): Don't factor
6656         comparison expr out of VEC_COND_EXPR for COND_REDUCTION.
6657
6658 2016-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
6659
6660         * function.c (thread_prologue_and_epilogue_insn): Move the
6661         "goto epilogue_done" one block later.
6662
6663 2016-05-19  Richard Biener  <rguenther@suse.de>
6664
6665         PR tree-optimization/70729
6666         * passes.def: Move LIM pass before PRE.  Remove no longer
6667         required copyprop and move first DCE out of the loop pipeline.
6668
6669 2016-05-18  David Malcolm  <dmalcolm@redhat.com>
6670
6671         PR driver/69265
6672         * Makefile.in (GCC_OBJS): Move spellcheck.o to...
6673         (OBJS-libcommon-target): ...here.
6674         * opts-common.c: Include spellcheck.h.
6675         (cmdline_handle_error): Build a vec of valid options and use it
6676         to suggest provide hints for misspelled arguments.
6677
6678 2016-05-18  Jakub Jelinek  <jakub@redhat.com>
6679
6680         PR c++/71100
6681         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Don't drop
6682         lhs if it has TREE_ADDRESSABLE type.
6683
6684 2016-05-18  Uros Bizjak  <ubizjak@gmail.com>
6685
6686         PR target/71145
6687         * config/alpha/alpha.md (trap): Add (use (reg:DI 29)).
6688         (*exception_receiver_1): Return "#" for TARGET_EXPLICIT_RELOCS.
6689
6690 2016-05-18  Martin Jambor  <mjambor@suse.cz>
6691
6692         PR ipa/69708
6693         * ipa-cp.c (ipa_get_jf_pass_through_result): Allow non-ip constant
6694         input for NOP_EXPR pass-through functions.
6695         * ipa-prop.c (ipa_compute_jump_functions_for_edge): Allow
6696         aggregate global constant VAR_DECLs in constant jump functions.
6697
6698 2016-05-18  Martin Jambor  <mjambor@suse.cz>
6699
6700         PR ipa/69708
6701         * ipa-prop.c (parm_preserved_before_stmt_p): Return true for loads
6702         from TREE_READONLY parameters.
6703
6704 2016-05-18  Martin Jambor  <mjambor@suse.cz>
6705
6706         PR ipa/69708
6707         * cgraph.h (cgraph_indirect_call_info): New field
6708         guaranteed_unmodified.
6709         * ipa-cp.c (ipa_get_indirect_edge_target_1): Also pass parameter value
6710         to ipa_find_agg_cst_for_param, check guaranteed_unmodified when
6711         appropriate.
6712         * ipa-inline-analysis.c (evaluate_conditions_for_known_args): Also
6713         pass the parameter value to ipa_find_agg_cst_for_param.
6714         * ipa-prop.c (ipa_load_from_parm_agg): New parameter
6715         guaranteed_unmodified, store AA results there instead of bailing out
6716         if present.
6717         (ipa_note_param_call): Also initialize guaranteed_unmodified flag.
6718         (ipa_analyze_indirect_call_uses): Also set guaranteed_unmodified flag.
6719         (find_constructor_constant_at_offset): New function.
6720         (ipa_find_agg_cst_from_init): Likewise.
6721         (ipa_find_agg_cst_for_param): Also seearch for aggregate values in
6722         static initializers of contants, report back through a new paameter
6723         from_global_constant if that was the case.
6724         (try_make_edge_direct_simple_call): Also pass parameter value to
6725         ipa_find_agg_cst_for_param, check guaranteed_unmodified when
6726         appropriate.
6727         (ipa_write_indirect_edge_info): Stream new flag guaranteed_unmodified.
6728         (ipa_read_indirect_edge_info): Likewise.
6729         * ipa-prop.h (ipa_find_agg_cst_for_param): Update declaration.
6730         (ipa_load_from_parm_agg): Likewise.
6731
6732 2016-05-18  Jiong Wang  <jiong.wang@arm.com>
6733
6734         PR rtl-optimization/71150
6735         * lra-constraint (process_addr_reg): Guard "in_class_p" with REG_P
6736         check.
6737
6738 2016-05-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
6739
6740         PR target/70915
6741         * config/rs6000/constraints.md (wE constraint): New constraint
6742         for a vector constant that can be loaded with XXSPLTIB.
6743         (wM constraint): New constraint for a vector constant of a 1's.
6744         (wS constraint): New constraint for a vector constant that can be
6745         loaded with XXSPLTIB and a vector sign extend instruction.
6746         * config/rs6000/predicates.md (xxspltib_constant_split): New
6747         predicates for wE/wS constraints.
6748         (xxspltib_constant_nosplit): Likewise.
6749         (easy_vector_constant): Add support for constants that can be
6750         loaded via XXSPLTIB.
6751         (all_ones_constant): New predicate for vector constant with all
6752         1's set.
6753         (splat_input_operand): Add support for ISA 3.0 word splat operations.
6754         * config/rs6000/rs6000.c (xxspltib_constant_p): New function to
6755         return if a constant can be loaded with the ISA 3.0 XXSPLTIB
6756         instruction and possibly with a sign extension.
6757         (output_vec_const_move): Add support for XXSPLTIB. If we are
6758         loading up 0/-1 into Altivec registers, prefer using VSPLTISW
6759         instead of XXLXOR/XXLORC.
6760         (rs6000_expand_vector_init): Add support for ISA 3.0 word splat
6761         operations.
6762         (rs6000_legitimize_reload_address): Likewise.
6763         (rs6000_output_move_128bit): Use output_vec_const_move to emit
6764         constants.
6765         * config/rs6000/vsx.md (VSX_M): Add TImode (if -mvsx-timode) and
6766         combine VSX_M and VSX_M2 into one iterator.
6767         (VSX_M2): Likewise.
6768         (VSINT_84): New iterators for loading constants with XXSPLTIB.
6769         (VSINT_842): Likewise.
6770         (UNSPEC_VSX_SIGN_EXTEND): New UNSPEC.
6771         (xxspltib_v16qi): New insns to load up constants with the ISA 3.0
6772         XXSPLTIB instruction.
6773         (xxspltib_<mode>_nosplit): Likewise.
6774         (xxspltib_<mode>_split): New insn to load up constants with
6775         XXSPLTIB and a sign extend instruction.
6776         (vsx_mov<mode>): Replace single move that handled all vector types
6777         with separate 32-bit and 64-bit moves.  Combine the movti_<bit>
6778         moves (when -mvsx-timode is in effect) into the main vector
6779         moves.  Eliminate separate moves for <VSr> <VSa>, where the
6780         preferred register class (<VSr>) is listed first, and the
6781         secondary register class (<VSa>) is listed second with a '?' to
6782         discourage use.  Prefer loading 0/-1 in any VSX register for ISA
6783         3.0, and Altivec registers for ISA 2.06/2.07 (PR target/70915) so
6784         that if the register was involved in a slow operation, the
6785         clear/set operation does not wait for the slow operation to
6786         finish.  Adjust the length attributes for 32-bit mode.  Use
6787         rs6000_output_move_128bit and drop the use of the string
6788         instructions for 32-bit movti when -mvsx-timode is in effect.  Use
6789         spacing so that the alternatives and attributes don't generate
6790         long lines, and put things in columns, so that it is easier to
6791         match up the operands and attributes with the insn alternatives.
6792         (vsx_mov<mode>_64bit): Likewise.
6793         (vsx_mov<mode>_32bit): Likewise.
6794         (vsx_movti_64bit): Fold movti into normal vector moves.
6795         (vsx_movti_32bit): Likewise.
6796         (vsx_splat_<mode>, V4SI/V4SF modes): Add support for ISA 3.0 word
6797         splat instructions.
6798         (vsx_splat_v4si_internal): Likewise.
6799         (vsx_splat_v4sf_internal): Likewise.
6800         (vector fusion peepholes): Use VSX_M instead of VSX_M2.
6801         (vsx_sign_extend_qi_<mode>): New ISA 3.0 instructions to sign
6802         extend vector elements.
6803         (vsx_sign_extend_hi_<mode>): Likewise.
6804         (vsx_sign_extend_si_v2di): Likewise.
6805         * config/rs6000/rs6000-protos.h (xxspltib_constant_p): Add
6806         declaration.
6807         * doc/md.texi (PowerPC constraints): Document the wE, wM, and wS
6808         constraints.  Add trailing period to wL documentation.
6809
6810 2016-05-18  Richard Sandiford  <richard.sandiford@arm.com>
6811
6812         PR middle-end/71020
6813         * tree-dfa.h (replace_abnormal_ssa_names): Declare.
6814         * tree-dfa.c (replace_abnormal_ssa_names): New function.
6815         * tree-call-cdce.c: Include tree-dfa.h.
6816         (can_guard_call_p): New function, extracted from...
6817         (can_use_internal_fn): ...here.
6818         (shrink_wrap_one_built_in_call_with_conds): Remove failure path
6819         and return void.
6820         (shrink_wrap_one_built_in_call): Likewise.
6821         (use_internal_fn): Likewise.
6822         (shrink_wrap_conditional_dead_built_in_calls): Update accordingly
6823         and return void.  Call replace_abnormal_ssa_names.
6824         (pass_call_cdce::execute): Check can_guard_call_p during the
6825         initial walk.  Assume shrink_wrap_conditional_dead_built_in_calls
6826         will always change something.
6827
6828 2016-05-18  Martin Jambor  <mjambor@suse.cz>
6829
6830         PR ipa/70646
6831         * ipa-prop.c (determine_locally_known_aggregate_parts): Bail out early
6832         if parameter PARAM_IPA_MAX_AGG_ITEMS is zero.
6833
6834 2016-05-18  Martin Jambor  <mjambor@suse.cz>
6835
6836         PR ipa/70646
6837         * ipa-inline.h (condition): New field size.
6838         * ipa-inline-analysis.c (add_condition): New parameter SIZE, use it
6839         for comaprison and store it into the new condition.
6840         (evaluate_conditions_for_known_args): Use condition size to check
6841         access sizes for all but CHANGED conditions.
6842         (unmodified_parm_1): New parameter size_p, store access size into it.
6843         (unmodified_parm): Likewise.
6844         (unmodified_parm_or_parm_agg_item): Likewise.
6845         (eliminated_by_inlining_prob): Pass NULL to unmodified_parm as size_p.
6846         (set_cond_stmt_execution_predicate): Extract access sizes and store
6847         them to conditions.
6848         (set_switch_stmt_execution_predicate): Likewise.
6849         (will_be_nonconstant_expr_predicate): Likewise.
6850         (will_be_nonconstant_predicate): Likewise.
6851         (inline_read_section): Stream condition size.
6852         (inline_write_summary): Likewise.
6853
6854 2016-05-18  Richard Biener  <rguenther@suse.de>
6855
6856         * tree-ssa-loop-im.c (determine_max_movement): Properly add
6857         condition cost to PHI cost instead of total_cost.
6858
6859 2016-05-18  Martin Liska  <mliska@suse.cz>
6860
6861         PR fortran/70856
6862         * ipa-icf.c (sem_variable::merge): Set DECL_PT_UID for
6863         merged variables.
6864
6865 2016-05-18  Richard Biener  <rguenther@suse.de>
6866
6867         * lto-streamer.h (LTO_major_version): Bump to 6.
6868
6869 2016-05-18  Segher Boessenkool  <segher@kernel.crashing.org>
6870
6871         * function.c (make_split_prologue_seq, make_prologue_seq,
6872         make_epilogue_seq): New functions, factored out from...
6873         (thread_prologue_and_epilogue_insns): Here.
6874
6875 2016-05-18  Segher Boessenkool  <segher@kernel.crashing.org>
6876
6877         * function.c (rest_of_handle_thread_prologue_and_epilogue): Call
6878         cleanup_cfg with CLEANUP_EXPENSIVE after shrink-wrapping instead
6879         of before.  Add a comment.
6880
6881 2016-05-18 Bin Cheng  <bin.cheng@arm.com>
6882
6883         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Check invariant
6884         expression pointer, not pointer to the pointer.
6885
6886 2016-05-18  Jakub Jelinek  <jakub@redhat.com>
6887
6888         * config/i386/sse.md (pbroadcast_evex_isa): New mode attr.
6889         (avx2_pbroadcast<mode>): Add another alternative with v instead
6890         of x constraints in it, using <pbroadcast_evex_isa> isa.
6891         (avx2_pbroadcast<mode>_1): Similarly, add two such alternatives.
6892
6893         * config/i386/sse.md (<ssse3_avx2>_palignr<mode>): Use
6894         constraint x instead of v in second alternative, add avx512bw
6895         alternative.
6896
6897         * config/i386/sse.md (<ssse3_avx2>_pshufb<mode>3<mask_name>): Use
6898         constraint x instead of v in second alternative, add avx512bw
6899         alternative.
6900
6901         * config/i386/sse.md (*<ssse3_avx2>_pmulhrsw<mode>3<mask_name>): Use
6902         constraint x instead of v in second alternative, add avx512bw
6903         alternative.
6904
6905         * config/i386/sse.md (avx2_pmaddubsw256, ssse3_pmaddubsw128): Add
6906         avx512bw alternative.
6907
6908 2016-05-18  Kirill Yukhin  <kirill.yukhin@intel.com>
6909
6910         * config/i386/sse.md (define_insn "*andnot<mode>3"): Extend static
6911         array to 128 chars.
6912         (define_insn "*andnottf3"): Ditto.
6913         (define_insn "*<code><mode>3"/any_logic): Ditto.
6914         (define_insn "*<code>tf3"/any_logic): Ditto.
6915         (define_insn "sse2_storehpd"): Use Yv constraint for scalar
6916         operand to block AVX-512VL insn variant emit when it is not enabled.
6917
6918 2016-05-18  Kirill Yukhin  <kirill.yukhin@intel.com>
6919
6920         * config/i386/sse.md (define_insn "*vec_concatv2sf_sse4_1"): Use 'Yv'
6921         constraint fot SF mode.
6922
6923 2016-05-18  Petr Murzin  <petr.murzin@intel.com>
6924             Kirill Yukhin  <kirill.yukhin@intel.com>
6925
6926         * config/i386/sse.md (define_insn "srcp14<mode>"): Use proper operand
6927         modifiers.
6928         (define_insn "rsqrt14<mode>"): Ditto.
6929         (define_insn "<mask_codefor>avx512dq_cvtps2qqv2di<mask_name>"): Ditto.
6930         (define_insn "<fixsuffix>fix_truncv2sfv2di2<mask_name>"): Ditto.
6931         (define_insn "avx512f_<code>v8div16qi2_mask_store"): Ditto.
6932         (define_insn "vec_set_hi_<mode><mask_name>"): Ditto.
6933         (define_insn "<mask_codefor>avx512dq_broadcast<mode><mask_name>"):
6934         Ditto.
6935         (define_insn "*avx512f_gatherdi<mode>"): Ditto.
6936         (define_insn "*avx512f_scatterdi<mode>"): Ditto.
6937         * config/i386/i386.c (ix86_print_operand): Expand check for size
6938         override codes for Intel syntax.
6939
6940 2016-05-18  Richard Biener  <rguenther@suse.de>
6941
6942         PR tree-optimization/71168
6943         * tree-loop-distribution.c (distribute_loop): Move *destroy_p
6944         initialization earlier.
6945
6946 2016-05-18  James Greenhalgh  <james.greenhalgh@arm.com>
6947
6948         * config/aarch64/aarch64-simd.md
6949         (aarch64_reduc_plus_internal<mode>): Rename to...
6950         (reduc_plus_scal): ...This, and remove previous implementation.
6951
6952 2016-05-18  Richard Biener  <rguenther@suse.de>
6953
6954         * passes.def: Put late dse and cd_dce in canonical order.
6955
6956 2016-05-17  Jan Hubicka  <hubicka@ucw.cz>
6957
6958         * ipa-inline-transform.c (preserve_function_body_p): Look for
6959         first non-thunk clone.
6960         (save_function_body): Save into first non-thunk.
6961         * lto-cgraph.c (lto_output_edge): When streaming thunk do not look
6962         up call stmt id.
6963         (lto_output_node): Inline thunks don't need body in every
6964         partition.
6965         * lto-streamer-in.c: Do not fixup thunk clones.
6966         * cgraphclones.c (cgraph_node::create_edge_including_clone): Skip
6967         thunks.
6968         * tree-inline.c (copy_bb): Be prepared for target node to be new after
6969         folding suceeds.
6970
6971 2016-05-17  Kugan Vivekanandarajah  <kuganv@linaro.org>
6972
6973         PR middle-end/63586
6974         * tree-ssa-reassoc.c (transform_add_to_multiply): New.
6975         (reassociate_bb): Call transform_add_to_multiply.
6976
6977 2016-05-17  Kugan Vivekanandarajah  <kuganv@linaro.org>
6978
6979         * config/aarch64/aarch64.c (all_extensions): Removed unused
6980         static variable.
6981
6982 2016-05-17  Nathan Sidwell  <nathan@acm.org>
6983
6984         * config/nvptx/nvptx.c (nvptx_function_arg_boundary): New.
6985         (TARGET_FUNCTION_ARG_BOUNDARY): Override.
6986
6987 2016-05-17  Mikhail Maltsev  <maltsevm@gmail.com>
6988
6989         PR tree-optimization/54579
6990         PR middle-end/55299
6991         * match.pd (~(~X >> Y), ~(~X >>r Y), ~(~X <<r Y)): New patterns.
6992
6993 2016-05-17  Marek Polacek  <polacek@redhat.com>
6994
6995         PR ipa/71146
6996         * tree-inline.c (expand_call_inline): Call
6997         maybe_remove_unused_call_args.
6998
6999 2016-05-17  Jim Wilson  <jim.wilson@linaro.org>
7000
7001         * doc/cpp.texi (__GNUC__): Major version changes are no longer rare.
7002         * doc/invoke.texi (-mnan=2008): Change signalling to signaling.
7003         * doc/md.texi (fmin@var{m}3): Likewise.
7004
7005 2016-05-17  Marc Glisse  <marc.glisse@inria.fr>
7006
7007         * match.pd (X & C): New transformation.
7008
7009 2016-05-17  Marc Glisse  <marc.glisse@inria.fr>
7010
7011         * match.pd (~X & Y): New transformation.
7012
7013 2016-05-17  Marc Glisse  <marc.glisse@inria.fr>
7014
7015         * tree-vrp.c (simplify_truth_ops_using_ranges): Set range
7016         information for new SSA_NAME.
7017         (simplify_conversion_using_ranges): Get range through get_range_info
7018         instead of get_value_range.
7019
7020 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
7021
7022         * config/aarch64/arm_neon.h (vmvn_s8): Reimplement using C operator.
7023         Remove inline assembly.
7024         (vmvn_s16): Likewise.
7025         (vmvn_s32): Likewise.
7026         (vmvn_u8): Likewise.
7027         (vmvn_u16): Likewise.
7028         (vmvn_u32): Likewise.
7029         (vmvnq_s8): Likewise.
7030         (vmvnq_s16): Likewise.
7031         (vmvnq_s32): Likewise.
7032         (vmvnq_u8): Likewise.
7033         (vmvnq_u16): Likewise.
7034         (vmvnq_u32): Likewise.
7035         (vmvn_p8): Likewise.
7036         (vmvnq_p16): Likewise.
7037
7038 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
7039
7040         * config/aarch64/aarch64-simd.md (vmul_n_f32): Remove inline assembly.
7041         Use builtin.
7042         (vmul_n_s16): Likewise.
7043         (vmul_n_s32): Likewise.
7044         (vmul_n_u16): Likewise.
7045         (vmul_n_u32): Likewise.
7046         (vmulq_n_f32): Likewise.
7047         (vmulq_n_f64): Likewise.
7048         (vmulq_n_s16): Likewise.
7049         (vmulq_n_s32): Likewise.
7050         (vmulq_n_u16): Likewise.
7051         (vmulq_n_u32): Likewise.
7052
7053 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
7054
7055         * config/aarch64/aarch64-simd.md (*aarch64_mul3_elt_to_128df): Extend
7056         to all supported modes.  Rename to "*aarch64_mul3_elt_from_dup".
7057
7058 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
7059
7060         * config/aarch64/aarch64-simd.md (*aarch64_fma4_elt_to_128df): Rename
7061         to *aarch64_fma4_elt_from_dup<mode>.
7062         (*aarch64_fnma4_elt_to_128df): Rename to
7063         *aarch64_fnma4_elt_from_dup<mode>.
7064         * config/aarch64/arm_neon.h (vfma_n_f64): New.
7065         (vfms_n_f32): Likewise.
7066         (vfms_n_f64): Likewise.
7067         (vfmsq_n_f32): Likewise.
7068         (vfmsq_n_f64): Likewise.
7069
7070 2016-05-17  Gerald Pfeifer  <gerald@pfeifer.com>
7071
7072         * wide-int.h: Change fixed_wide_int_storage from class to struct.
7073
7074 2016-05-17  Richard Biener  <rguenther@suse.de>
7075
7076         PR tree-optimization/71132
7077         * tree-loop-distribution.c (create_rdg_cd_edges): Pass in loop.
7078         Only add control dependences for blocks in the loop.
7079         (build_rdg): Adjust.
7080         (generate_code_for_partition): Return whether loop should
7081         be destroyed and delay that.
7082         (distribute_loop): Likewise.
7083         (pass_loop_distribution::execute): Record loops to be destroyed
7084         and perform delayed destroying of loops.
7085
7086 2016-05-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7087
7088         PR target/70809
7089         * config/aarch64/aarch64-simd.md (aarch64_vmls<mode>): Delete.
7090
7091 2016-05-17  James Greenhalgh  <james.greenhalgh@arm.com>
7092
7093         * config/aarch64/aarch64-elf.h (ASM_OUTPUT_DEF): Delete.
7094
7095 2016-05-17  Ilya Enkovich  <ilya.enkovich@intel.com>
7096
7097         PR target/71114
7098         * config/i386/i386.c (dimode_scalar_chain::convert_op): Fix
7099         insertion point for instructions generated by validize_mem.
7100
7101 2016-05-17  James Greenhalgh  <james.greenhalgh@arm.com>
7102
7103         * config/aarch64/aarch64.c (SHIFT_COUNT_TRUNCATED): Wrap definition
7104         in brackets.
7105
7106 2016-05-17  James Greenhalgh  <james.greenhalgh@arm.com>
7107
7108         * config/aarch64/aarch64.c
7109         (aarch64_output_simd_mov_immediate): Make "buf_size" a variable
7110         rather than a macro.
7111
7112 2016-05-16  Wilco Dijkstra  <wdijkstr@arm.com>
7113
7114         * doc/invoke.texi (AArch64 Options): Various updates.
7115
7116 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
7117
7118         * ipa-inline-analysis.c (compute_inline_parameters): Disable inlinig
7119         into instrumentation thunks.
7120         * cif-code.def (CIF_CHKP): New.
7121
7122 2016-05-16  Uros Bizjak  <ubizjak@gmail.com>
7123
7124         * config/i386/xopintrin.h: Correct "unsinged" typo in the comments.
7125
7126 2016-05-16  Martin Jambor  <mjambor@suse.cz>
7127
7128         * hsa-gen.c (fillup_for_decl): Increase alignment to natural one.
7129         (get_symbol_for_decl): Sorry if a global symbol in under-aligned.
7130
7131 2016-05-16  Marek Polacek  <polacek@redhat.com>
7132
7133         * gimple.c (maybe_remove_unused_call_args): Fix typos in the
7134         commentary.
7135
7136 2016-05-16  Martin Jambor  <mjambor@suse.cz>
7137
7138         PR hsa/70857
7139         * omp-low.c (grid_expand_target_grid_body): Copy RESULT_DECL of
7140         the outlined kernel function.
7141
7142 2016-05-16  Robert Suchanek  <robert.suchanek@imgtec.com>
7143
7144         * config/mips/mips.h (ISA_HAS_LSA): Enable for -mmsa.
7145         (ISA_HAS_DLSA): Ditto.
7146
7147 2016-05-16  Matthew Fortune  <matthew.fortune@imgtec.com>
7148
7149         * config/mips/m5100.md (m51_int_load): Update the latency to 2.
7150
7151 2016-05-16  Nathan Sidwell  <nathan@acm.org>
7152
7153         * config/nvptx/nvptx.c (nvptx_mangle_decl_assembler_name): Revert.
7154         (nvptx_name_replacement): Restore.  Add comment.
7155         (write_fn_proto, write_fn_proto_from_insn,
7156         nvptx_output_call_insn): Restore
7157         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Delete.
7158
7159 2016-05-16  Wilco Dijkstra  <wdijkstr@arm.com>
7160
7161         * config/aarch64/aarch64.md
7162         (add<mode>3_compareC_cconly_imm): Remove use of %w.
7163         (add<mode>3_compareC_imm): Likewise.
7164         (<optab>si3_uxtw): Split into register and immediate variants.
7165         (andsi3_compare0_uxtw): Likewise.
7166         (and<mode>3_compare0): Likewise.
7167         (and<mode>3nr_compare0): Likewise.
7168         (stack_protect_test_<mode>): Don't use %x for memory operands.
7169
7170 2016-05-16  Matthew Fortune  <matthew.fortune@imgtec.com>
7171
7172         * config/mips/mips-cpus.def (p5600): Add multi-line brackets.
7173
7174 2016-05-16  Wilco Dijkstra  <wdijkstr@arm.com>
7175
7176         * config/aarch64/aarch64.md (aarch64_ashl_sisd_or_int_<mode>3):
7177         Split integer shifts into shift_reg and bfm.
7178         (aarch64_lshr_sisd_or_int_<mode>3): Likewise.
7179         (aarch64_ashr_sisd_or_int_<mode>3): Likewise.
7180         (ror<mode>3_insn): Likewise.
7181         (<optab>si3_insn_uxtw): Likewise.
7182         (<optab><mode>3_insn): Change to rotate_imm.
7183         (extr<mode>5_insn_alt): Likewise.
7184         (extrsi5_insn_uxtw): Likewise.
7185         (extrsi5_insn_uxtw_alt): Likewise.
7186
7187 2016-05-16  Matthew Wahab  <matthew.wahab@arm.com>
7188
7189         * doc/tm.texi: Regenerate.
7190         * doc/tm.texi.in (TARGET_INVALID_PARAMETER_TYPE): Remove.
7191         (TARGET_INVALID_RETURN_TYPE): Remove.
7192         * system.h: Poison TARGET_INVALID_PARAMETER_TYPE and
7193         TARGET_INVALID_RETURN_TYPE.
7194         * target.def (invalid_parameter_type): Remove.
7195         (invalid_return_type): Remove.
7196
7197 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
7198
7199         * ipa-inline-analysis.c (compute_inline_parameters): Be more reailistic
7200         on estimating thunk bodies; do not set inline_failed to CIF_THUNK for
7201         calls from thunk.
7202         * ipa-inline-transform.c (inline_call): When inlining into thunk produce
7203         gimple body.
7204         (preserve_function_body_p): No need to preserve function body
7205         * cif-codes.def (CIF_THUNK): Remove.
7206         * cgraphclones.c (duplicate_thunk_for_node): Thunks calls are inlinable.
7207
7208 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
7209
7210         * tree-inline.c (expand_call_inline): recurse after inlining thunk.
7211
7212 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
7213
7214         * tree.c (free_lang_data_in_decl): Also set target/optimization flags
7215         for thunks.
7216
7217 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
7218
7219         * ipa-inline.c (report_inline_failed_reason): Look into thunks, too
7220         (inline_small_functions): Do not look for function symbol when
7221         resetting caches.
7222
7223 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
7224
7225         * lto-cgraph.c (compute_ltrans_boundary, output_symtab): Fix handling
7226         of inline thunks
7227
7228 2016-05-16  Matthew Wahab  <matthew.wahab@arm.com>
7229             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
7230             Jiong Wang  <jiong.wang@arm.com>
7231
7232         * config/arm/arm-c.c (arm_cpu_builtins): Use def_or_undef_macro
7233         for __ARM_FP16_FORMAT_IEEE and __ARM_FP16_FORMAT_ALTERNATIVE.
7234         Define __ARM_FP16_ARGS when appropriate.
7235         * config/arm/arm.c (arm_invalid_parameter_type): Remove
7236         declaration.
7237         (arm_invalid_return_type): Likewise.
7238         (TARGET_INVALID_PARAMETER_TYPE): Remove.
7239         (TARGET_INVALID_RETURN_TYPE): Remove.
7240         (aapcs_vfp_sub_candidate): Allow HFmode.
7241         (aapcs_vfp_allocate): Add comment.  Support HFmode.
7242         (aapcs_vfp_allocate_return_reg): Likewise.
7243         (struct aapcs_cp_arg_layout): Slightly reword comments for
7244         is_return_candidate and allocate_return_reg.
7245         (output_mov_vfp): Update assert.
7246         (arm_hard_regno_mode_ok): Remove comment, update HF-mode
7247         condition.
7248         (arm_invalid_parameter_type): Remove.
7249         (amr_invalid_return_type): Remove.
7250         * config/arm/arm.h (TARGET_NEON_FP16): Fix definition.
7251         * config/arm/arm.md (*arm32_movhf): Disable for TARGET_VFP.
7252         * config/arm/vfp.md (*movhf_vfp): Enable for TARGET_VFP.
7253
7254 2016-05-16  Matthew Wahab  <matthew.wahab@arm.com>
7255
7256         * config/aarch64/aarch64.h (LEGITIMIZE_RELOAD_ADDRESS): Remove.
7257         * config/aarch64/arch64-protos.h
7258         (aarch64_legitimize_reload_address): Remove.
7259         * config/aarch64/aarch64.c (aarch64_legitimize_reload_address):
7260         Remove.
7261
7262 2016-05-16  Eric Botcazou  <ebotcazou@adacore.com>
7263
7264         * configure.ac: Add ACX_NONCANONICAL_HOST.
7265         * configure: Regenerate.
7266         * Makefile.in: Set host_noncanonical.
7267
7268 2016-05-14  Uros Bizjak  <ubizjak@gmail.com>
7269
7270         PR target/71097
7271         * config/i386/i386.md (*movtf_internal): Before register allocation,
7272         do not allow FP constants for CM_MEDIUM memory model, allow only
7273         standard FP constants for CM_LARGE and CM_LARGE_PIC models.
7274         (*movxf_internal): Ditto.
7275         (*movdf_internal): Ditto.
7276         (*movsf_internal): Ditto.
7277
7278 2016-05-13  Segher Boessenkool  <segher@kernel.crashing.org>
7279
7280         PR rtl-optimization/67483
7281         * combine.c (make_compound_operation): Don't call extract_left_shift
7282         with negative shift amounts.
7283
7284 2016-05-13  Jakub Jelinek  <jakub@redhat.com>
7285
7286         PR bootstrap/71071
7287         * fold-const.c (fold_checksum_tree): Allow modification
7288         of TYPE_ALIAS_SET during folding.
7289
7290         * config/i386/i386.c (ix86_compute_frame_layout, ix86_expand_prologue,
7291         ix86_expand_split_stack_prologue): Use HOST_WIDE_INT_C macro.
7292         (ix86_split_to_parts): Likewise.  Fix up formatting.
7293
7294 2016-05-13  H.J. Lu  <hongjiu.lu@intel.com>
7295
7296         * tree-ssa-loop-ivopts.c (create_new_ivs): Cast to
7297         unsigned HOST_WIDE_INT with HOST_WIDE_INT_PRINT_UNSIGNED in
7298         printf format.
7299
7300 2016-05-13  Nathan Sidwell  <nathan@acm.org>
7301
7302         * config/nvptx/nvptx.c (nvptx_mangle_decl_assembler_name): New.
7303         (nvptx_name_replacement): Delete.
7304         (write_fn_proto, write_fn_proto_from_insn,
7305         nvptx_output_call_insn): Remove nvptx_name_replacement call.
7306         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Override.
7307         * langhooks.c (add_builtin_funcction_common): Call
7308         targetm.mangle_decl_assembler_name.
7309
7310         * config/nvptx/nvptx.c (write_fn_proto): Handle
7311         BUILT_IN_ATOMIC_COMPARE_EXCHANGE_n oddity.
7312
7313 2016-05-13  Martin Liska  <mliska@suse.cz>
7314
7315         * tree-ssa-loop-ivopts.c (create_new_ivs): Use HOST_WIDE_INT_PRINT_DEC
7316         and PRIu64 in printf format.
7317
7318 2016-05-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7319
7320         * tree-ssa-loop-ivanon.c (try_unroll_loop_completely): Typo fix in
7321         comment.
7322
7323 2016-05-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7324
7325         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
7326         Change --param max-completely-peeled-times to
7327         --param max-completely-peel-times in dump file printing.
7328
7329 2016-05-13  Richard Biener  <rguenther@suse.de>
7330
7331         PR tree-optimization/42587
7332         * tree-ssa-math-opts.c (perform_symbolic_merge): Handle BIT_FIELD_REF.
7333         (find_bswap_or_nop_1): Likewise.
7334         (bswap_replace): Likewise.
7335
7336 2016-05-13  Martin Liska  <mliska@suse.cz>
7337
7338         * tree-vect-patterns.c (vect_recog_mask_conversion_pattern):
7339         Initialize a variable with default value.
7340
7341 2016-05-13  Martin Liska  <mliska@suse.cz>
7342
7343         * doc/invoke.texi: Enhance explanation of error recovery
7344         of sanitizers.
7345
7346 2016-05-13  Martin Liska  <mliska@suse.cz>
7347
7348         * tree-ssa-loop-ivopts.c (avg_loop_niter): Fix coding style.
7349         (struct cost_pair): Change inv_expr_id (int) to inv_expr
7350         (iv_inv_expr_ent *).
7351         (struct iv_inv_expr_ent): Comment struct fields.
7352         (sort_iv_inv_expr_ent): New function.
7353         (struct ivopts_data): Rename inv_expr_id to max_inv_expr_id.
7354         (struct iv_ca): Replace used_inv_expr and num_used_inv_expr with
7355         a hash_map between iv_inv_expr_ent and number of usages.
7356         (niter_for_exit): Fix coding style.
7357         (tree_ssa_iv_optimize_init): Use renamed variable.
7358         (determine_base_object): Fix coding style.
7359         (alloc_iv): Likewise.
7360         (find_interesting_uses_outside): Likewise.
7361         (add_candidate_1): Likewise.
7362         (add_standard_iv_candidates): Likewise.
7363         (set_group_iv_cost): Replace inv_expr_id with inv_expr.
7364         (prepare_decl_rtl): Fix coding style.
7365         (get_address_cost): Likewise.
7366         (get_shiftadd_cost): Likewise.
7367         (force_expr_to_var_cost): Likewise.
7368         (compare_aff_trees): Likewise.
7369         (get_expr_id): Restructure the function.
7370         (get_loop_invariant_expr_id): Renamed to
7371         get_loop_invariant_expr.
7372         (get_computation_cost_at): Replace usage of inv_expr_id with
7373         inv_expr.
7374         (get_computation_cost): Likewise.
7375         (determine_group_iv_cost_generic): Likewise.
7376         (determine_group_iv_cost_address): Likewise.
7377         (iv_period): Fix coding style.
7378         (iv_elimination_compare_lt): Likewise.
7379         (may_eliminate_iv): Likewise.
7380         (determine_group_iv_cost_cond):  Replace usage of inv_expr_id with
7381         inv_expr.
7382         (determine_group_iv_costs): Dump invariant expressions.
7383         (iv_ca_recount_cost): Use the newly added hash_map.
7384         (iv_ca_set_remove_invariants): Fix coding style.
7385         (iv_ca_set_add_invariants): Fix coding style.
7386         (iv_ca_set_no_cp): Utilize the newly added hash_map for used
7387         invariants.
7388         (iv_ca_set_cp): Likewise.
7389         (iv_ca_new): Initialize the newly added hash_map and remove
7390         initialization of fields.
7391         (iv_ca_free): Delete the hash_map.
7392         (iv_ca_dump): Dump invariant expressions.
7393         (iv_ca_extend): Fix coding style.
7394         (try_add_cand_for): Likewise.
7395         (create_new_ivs): Dump information about # of avg iterations and
7396         # of used invariant expressions.
7397         (rewrite_use_compare): Fix coding style.
7398         (free_loop_data): Set default value for max_inv_expr_id.
7399
7400 2016-05-13  Ilya Enkovich  <ilya.enkovich@intel.com>
7401
7402         * cse.c (rest_of_handle_cse): Use cleanup_cfg
7403         returned value cse_cfg_altered computation.
7404         (rest_of_handle_cse2): Likewise.
7405         (rest_of_handle_cse_after_global_opts): Likewise.
7406
7407 2016-05-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
7408
7409         PR target/53440
7410         * config/arm/arm.c (arm32_output_mi_thunk): New.
7411         (arm_output_mi_thunk): Rename to arm_thumb1_mi_thunk. Rework
7412         to split Thumb1 vs TARGET_32BIT functionality.
7413         (arm_thumb1_mi_thunk): New.
7414
7415 2016-05-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
7416
7417         * config/aarch64/aarch64.c (TARGET_OMIT_STRUCT_RETURN_REG): Set
7418         to true.
7419
7420 2016-05-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7421
7422         PR target/71080
7423         * config/i386/i386.c (ix86_in_large_data_p): Guard against NULL exp.
7424
7425 2016-05-13  Eric Botcazou  <ebotcazou@adacore.com>
7426
7427         * builtins.c (expand_builtin_memcmp): Do not emit the call here.
7428         (expand_builtin_trap): Emit a regular call.
7429         (set_builtin_user_assembler_name): Remove obsolete cases.
7430         * dse.c (scan_insn): Adjust.
7431         * except.c: Include calls.h.
7432         (sjlj_emit_function_enter): If DONT_USE_BUILTIN_SETJMP is defined,
7433         emit a regular call to setjmp.
7434         * expr.c (emit_block_move_hints): Call emit_block_copy_via_libcall.
7435         (block_move_libcall_safe_for_call_parm): Use memcpy builtin.
7436         (emit_block_move_via_libcall): Delete.
7437         (block_move_fn): Delete.
7438         (init_block_move_fn): Likewise.
7439         (emit_block_move_libcall_fn): Likewise.
7440         (emit_block_op_via_libcall): New function.
7441         (set_storage_via_libcall): Tidy up and use memset builtin.
7442         (block_clear_fn): Delete.
7443         (init_block_clear_fn): Likewise.
7444         (clear_storage_libcall_fn): Likewise.
7445         (expand_assignment): Call emit_block_move_via_libcall.
7446         Do not include gt-expr.h.
7447         * expr.h (emit_block_op_via_libcall): Declare.
7448         (emit_block_copy_via_libcall): New inline function.
7449         (emit_block_move_via_libcall): Likewise.
7450         (emit_block_comp_via_libcall): Likewise.
7451         (block_clear_fn): Delete.
7452         (init_block_move_fn): Likewise.
7453         (init_block_clear_fn): Likewise.
7454         (emit_block_move_via_libcall): Likewise.
7455         (set_storage_via_libcall): Add default parameter value.
7456         * libfuncs.h (enum libfunc_index): Remove obsolete values.
7457         (abort_libfunc): Delete.
7458         (memcpy_libfunc): Likewise.
7459         (memmove_libfunc): Likewise.
7460         (memcmp_libfunc): Likewise.
7461         (memset_libfunc): Likewise.
7462         (setbits_libfunc): Likewise.
7463         (setjmp_libfunc): Likewise.
7464         (longjmp_libfunc): Likewise.
7465         (profile_function_entry_libfunc): Likewise.
7466         (profile_function_exit_libfunc): Likewise.
7467         (gcov_flush_libfunc): Likewise.
7468         * optabs-libfuncs.c (build_libfunc_function): Set DECL_ARTIFICIAL
7469         and DECL_VISIBILITY on the declaration.
7470         (init_optabs): Do not initialize obsolete libfuncs.
7471         * optabs.c (prepare_cmp_insn): Call emit_block_comp_via_libcall.
7472         * tree-core.h (ECF_RET1): Define.
7473         (ECF_TM_PURE): Adjust.
7474         (ECF_TM_BUILTIN): Likewise.
7475         * tree.c (set_call_expr_flags): Deal with ECF_RET1.
7476         (build_common_builtin_nodes): Initialize abort builtin.
7477         Add ECF_RET1 on memcpy, memmove and memset builtins.
7478         Pass final flags for alloca and alloca_with_align builtins.
7479         * config/alpha/alpha.c (alpha_init_libfuncs): Do not initialize
7480         obsolete builtins.
7481         * config/ia64/ia64.c (ia64_vms_init_libfuncs): Likewise.
7482         * config/i386/i386.c (ix86_expand_set_or_movmem): Adjust call to
7483         set_storage_via_libcall and call emit_block_copy_via_libcall.
7484
7485 2016-05-12  Uros Bizjak  <ubizjak@gmail.com>
7486
7487         * config/i386/i386.md (*call_got_x32): Change operand 0 to
7488         DImode before it is passed to ix86_output_call_operand.
7489         (*call_value_got_x32): Ditto for operand 1.
7490
7491 2016-05-12  Jiong Wang  <jiong.wang@arm.com>
7492
7493         PR rtl-optimization/70904
7494         * lra-constraint.c (process_addr_reg): Relax the restriction on subreg
7495         reload for wide mode.
7496
7497 2016-05-12  Marek Polacek  <polacek@redhat.com>
7498
7499         PR c/70756
7500         * langhooks-def.h (lhd_incomplete_type_error): Adjust declaration.
7501         * langhooks.c (lhd_incomplete_type_error): Add location parameter.
7502         * langhooks.h (incomplete_type_error): Likewise.
7503         * tree.c (size_in_bytes_loc): Renamed from size_in_bytes.  Add location
7504         parameter, pass it down to incomplete_type_error.
7505         * tree.h (size_in_bytes): New inline overload.
7506         (size_in_bytes_loc): Renamed from size_in_bytes.
7507
7508 2016-05-12  Richard Biener  <rguenther@suse.de>
7509
7510         PR tree-optimization/71059
7511         * tree-ssa-pre.c (phi_translate_1): Fully fold translated
7512         nary before looking up or entering the expression into the VN
7513         hashes.
7514         * tree-ssa-sccvn.c (vn_nary_build_or_lookup): Fix comment typo.
7515         Make sure to re-use NARYs without result as inserted by
7516         phi-translation.
7517
7518 2016-05-12  Richard Biener  <rguenther@suse.de>
7519
7520         PR tree-optimization/71062
7521         * tree-ssa-alias.h (struct pt_solution): Add vars_contains_restrict
7522         field.
7523         * tree-ssa-structalias.c (set_uids_in_ptset): Set
7524         vars_contains_restrict if the var is a restrict tag.
7525         * tree-ssa-alias.c (ptrs_compare_unequal): If vars_contains_restrict
7526         do not disambiguate pointers against it.
7527         (dump_points_to_solution): Re-structure and adjust for new
7528         vars_contains_restrict flag.
7529         * gimple-pretty-print.c (pp_points_to_solution): Likewise.
7530
7531 2016-05-12  Martin Liska  <mliska@suse.cz>
7532
7533         * doc/invoke.texi: Explain connection between
7534         -fsanitize-recover=address and ASAN_OPTIONS="halt_on_error=1".
7535
7536 2016-05-12  Ilya Enkovich  <ilya.enkovich@intel.com>
7537
7538         PR tree-optimization/71006
7539         * tree-vect-loop.c (vect_determine_vectorization_factor): Don't
7540         consider COND_EXPR as a mask producer.
7541
7542 2016-05-12  Marek Polacek  <polacek@redhat.com>
7543
7544         PR driver/71063
7545         * opts.c (common_handle_option): Detect missing argument for --help^.
7546
7547 2016-05-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7548
7549         PR target/70830
7550         * config/arm/arm.c (arm_output_multireg_pop): Avoid POP instruction
7551         when popping the PC and within an interrupt handler routine.
7552         Add missing tab to output of "ldmfd".
7553         (output_return_instruction): Output LDMFD with SP update rather
7554         than POP when returning from interrupt handler.
7555
7556 2016-05-12  Jakub Jelinek  <jakub@redhat.com>
7557
7558         * config/i386/i386.md (isa): Add x64_avx512dq, enable if
7559         TARGET_64BIT && TARGET_AVX512DQ.
7560         * config/i386/sse.md (*vec_extract<mode>): Add avx512bw alternatives.
7561         (*vec_extract<PEXTR_MODE12:mode>_zext): Add avx512bw alternative.
7562         (*vec_extract<ssevecmodelower>_0, *vec_extractv4si_0_zext,
7563         *vec_extractv2di_0_sse): Use v constraint instead of x constraint.
7564         (*vec_extractv4si): Add avx512dq and avx512bw alternatives.
7565         (*vec_extractv4si_zext): Add avx512dq alternative.
7566         (*vec_extractv2di_1): Add x64_avx512dq and avx512bw alternatives,
7567         use v instead of x constraint in other alternatives where possible.
7568
7569         * config/i386/sse.md (sse2_loadld): Use v instead of x
7570         constraint in alternatives 0,1,4.
7571
7572         * config/i386/sse.md (pinsr_evex_isa): New mode attr.
7573         (<sse2p4_1>_pinsr<ssemodesuffix>): Add 2 alternatives with
7574         v constraints instead of x and <pinsr_evex_isa> isa attribute.
7575
7576         PR target/71019
7577         * config/i386/sse.md (<sse2_avx2>_packssdw<mask_name>,
7578         <sse4_1_avx2>_packusdw<mask_name>): Make sure EVEX encoded insn
7579         is not emitted unless TARGET_AVX512BW.
7580         (<sse2_avx2>_packuswb<mask_name>, <sse2_avx2>_packsswb<mask_name>):
7581         Likewise.  For TARGET_AVX512BW, use "=v" constraint instead of "=x"
7582         for the result operand.
7583
7584         * config/i386/sse.md (*vec_setv4sf_sse4_1, sse4_1_insertps): Use v
7585         constraint instead of x in avx alternatives.  Use maybe_evex instead
7586         of vex prefix.
7587
7588         * config/i386/constraints.md (Yv): New constraint.
7589         * config/i386/i386.h (VALID_AVX512VL_128_REG_MODE): Allow
7590         TFmode and V1TImode in xmm16+ registers for TARGET_AVX512VL.
7591         * config/i386/i386.md (avx512fvecmode): New mode attr.
7592         (*pushtf): Use v constraint instead of x.
7593         (*movtf_internal): Likewise.  For TARGET_AVX512VL and
7594         xmm16+ registers, use vmovdqu64 or vmovdqa64 instructions.
7595         (*absneg<mode>2): Use Yv constraint instead of x constraint.
7596         (*absnegtf2_sse): Likewise.
7597         (copysign<mode>3_const, copysign<mode>3_var): Likewise.
7598         * config/i386/sse.md (*andnot<mode>3): Add avx512vl and
7599         avx512f alternatives.
7600         (*andnottf3, *<code><mode>3, *<code>tf3): Likewise.
7601
7602 2016-05-12  Richard Biener  <rguenther@suse.de>
7603
7604         PR tree-optimization/71060
7605         * tree-data-ref.c (initialize_data_dependence_relation): Do not
7606         require exact match of DR_BASE_OBJECT but only matching address and
7607         type.
7608
7609 2016-05-12  Richard Biener  <rguenther@suse.de>
7610
7611         PR tree-optimization/70986
7612         * cfganal.c: Include cfgloop.h.
7613         (dfs_find_deadend): Prefer to take edges exiting loops.
7614
7615 2016-05-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7616
7617         * gcc.target/powerpc/pr70963.c: Require at least power8 at both
7618         compile and run time.
7619
7620 2016-05-11  Mikhail Maltsev  <maltsevm@gmail.com>
7621
7622         PR c/43651
7623         * doc/invoke.texi (Wduplicate-decl-specifier): Document new option.
7624
7625 2016-05-11  Uros Bizjak  <ubizjak@gmail.com>
7626
7627         * config/i386/i386.c (legitimize_pic_address): Use
7628         copy_to_suggested_reg instead of gen_movsi.
7629
7630 2016-05-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
7631
7632         * config/rs6000/predicates.md (quad_memory_operand): Move most of
7633         the code into quad_address_p and call it to share code with
7634         vsx_quad_dform_memory_operand.
7635         (vsx_quad_dform_memory_operand): New predicate for ISA 3.0 vector
7636         d-form support.
7637         * config/rs6000/rs6000.opt (-mlra): Switch to being an option mask
7638         bit instead of being a separate word.  Split -mpower9-dform into
7639         two switches, -mpower9-dform-scalar and -mpower9-dform-vector.
7640         * config/rs6000/rs6000.c (RELOAD_REG_QUAD_OFFSET): New addr_mask
7641         for the register class supporting 128-bit quad word memory offsets.
7642         (mode_supports_vsx_dform_quad): Helper function to return if the
7643         register class uses quad word memory offsets.
7644         (rs6000_debug_addr_mask): Add support for quad word memory offsets.
7645         (rs6000_debug_reg_global): Always print if we are using LRA or not.
7646         (rs6000_setup_reg_addr_masks): If ISA 3.0 vector d-form
7647         instructions are enabled, set up the appropriate addr_masks for
7648         128-bit types.
7649         (rs6000_init_hard_regno_mode_ok): wb constraint is now based on
7650         -mpower9-dform-scalar, instead of -mpower9-dform.
7651         (rs6000_option_override_internal): Split -mpower9-dform into two
7652         switches, -mpower9-dform-scalar and -mpower9-dform-vector.  The
7653         -mpower9-dform switch sets or clears both.  If we are not using
7654         the LRA register allocator, do not enable -mpower9-dform-vector by
7655         default.  If we are using LRA, enable -mpower9-dform-vector and
7656         -mvsx-timode if it is appropriate.  Issue a warning if either
7657         -mpower9-dform-vector or -mvsx-timode are explicitly used without
7658         enabling LRA.
7659         (quad_address_offset_p): New helper function to return if the
7660         offset is legal for quad word memory instructions.
7661         (quad_address_p): New function to determin if GPR or vector
7662         register quad word memory addresses are legal.
7663         (mem_operand_gpr): Validate quad word address offsets.
7664         (reg_offset_addressing_ok_p): Add support for ISA 3.0 vector
7665         d-form (register + offset) instructions.
7666         (offsettable_ok_by_alignment): Likewise.
7667         (rs6000_legitimate_offset_address_p): Likewise.
7668         (legitimate_lo_sum_address_p): Likewise.
7669         (rs6000_legitimize_address): Likewise.
7670         (rs6000_legitimize_reload_address): Add more debug statements for
7671         -mdebug=addr.
7672         (rs6000_legitimate_address_p): Add support for ISA 3.0 vector
7673         d-form instructions.
7674         (rs6000_secondary_reload_memory): Add support for ISA 3.0 vector
7675         d-form instructions.  Distinguish different cases in debug
7676         output. (rs6000_secondary_reload_inner): Add support for ISA 3.0 vector
7677         d-form instructions.
7678         (rs6000_preferred_reload_class): Likewise.
7679         (rs6000_output_move_128bit): Add support for ISA 3.0 d-form
7680         instructions.  If ISA 3.0 is available, generate lxvx/stxvx instead
7681         of the ISA 2.06 indexed memory instructions.
7682         (rs6000_emit_prologue): If we have ISA 3.0 d-form instructions,
7683         use them to save/restore the saved vector registers instead of
7684         using Altivec instructions.
7685         (rs6000_emit_epilogue): Likewise.
7686         (rs6000_lra_p): Use TARGET_LRA instead of the old option word.
7687         (rs6000_opt_masks): Split -mpower9-dform into
7688         -mpower9-dform-scalar and -mpower9-dform-vector.
7689         (rs6000_print_options_internal): Print -mno-<switch> if <switch>
7690         was not selected.
7691         * config/rs6000/vsx.md (p9_vecload_<mode>): Delete hack to emit
7692         ISA 3.0 vector indexed memory instructions, and fold the code into
7693         the normal mov<mode> patterns.
7694         (p9_vecstore_<mode>): Likewise.
7695         (vsx_mov<mode>): Add support for ISA 3.0 vector d-form
7696         instructions.
7697         (vsx_movti_64bit): Likewise.
7698         (vsx_movti_32bit): Likewise.
7699         * config/rs6000/constraints.md (wO constraint): New constraint for
7700         ISA 3.0 vector d-form support.
7701         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Use
7702         -mpower9-dform-scalar instead of -mpower9-dform.  Add note not to
7703         include -mpower9-dform-vector until we switch over to LRA.
7704         (POWERPC_MASKS): Add -mlra. Split -mpower9-dform into two.
7705         switches, -mpower9-dform-scalar and -mpower9-dform-vector.
7706         * config/rs6000/rs6000-protos.h (quad_address_p): Add declaration.
7707         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
7708         for -mpower9-dform and -mlra.
7709         * doc/md.texi (wO constraint): Document wO constraint.
7710
7711 2016-05-11  Alexander Monakov  <amonakov@ispras.ru>
7712
7713         * genattr.c (main): Change 'rtx' to 'rtx_insn *' in prototypes of
7714         'insn_latency', 'maximal_insn_latency', 'min_insn_conflict_delay'.
7715         * genautomata.c (output_internal_insn_code_evaluation): Simplify.
7716         Move handling of non-insn arguments inline into the sole user:
7717         (output_trans_func): ...here.
7718         (output_min_insn_conflict_delay_func): Change 'rtx' to 'rtx_insn *'
7719         in emitted function prototype.
7720         (output_internal_insn_latency_func): Ditto.  Simplify.
7721         (output_internal_maximal_insn_latency_func): Ditto.  Delete
7722         always-unused argument.
7723         (output_insn_latency_func): Ditto.
7724         (output_maximal_insn_latency_func): Ditto.
7725
7726 2016-05-11  Richard Biener  <rguenther@suse.de>
7727
7728         PR tree-optimization/71055
7729         * tree-ssa-sccvn.c (vn_reference_lookup_3): When native-interpreting
7730         sth with precision not equal to access size verify we don't chop
7731         off bits.
7732
7733 2016-05-11  Richard Biener  <rguenther@suse.de>
7734
7735         PR debug/71057
7736         * dwarf2out.c (retry_incomplete_types): Set early_dwarf.
7737         (dwarf2out_finish): Move retry_incomplete_types call ...
7738         (dwarf2out_early_finish): ... here.
7739
7740 2016-05-11  Richard Biener  <rguenther@suse.de>
7741
7742         PR middle-end/71002
7743         * alias.c (reference_alias_ptr_type): Preserve alias-set zero
7744         if the langhook insists on it.
7745         * fold-const.c (make_bit_field_ref): Add arg for the original
7746         reference and preserve its alias-set.
7747         (decode_field_reference): Take exp by reference and adjust it
7748         to the original memory reference.
7749         (optimize_bit_field_compare): Adjust callers.
7750         (fold_truth_andor_1): Likewise.
7751         * gimplify.c (gimplify_expr): Adjust in-SSA form test.
7752
7753 2016-05-11  Ilya Enkovich  <ilya.enkovich@intel.com>
7754
7755         PR middle-end/70807
7756         * cfgrtl.h (delete_insn_and_edges): Now return bool.
7757         * cfgrtl.c (delete_insn_and_edges): Likewise.
7758         * config/i386/i386.c (convert_scalars_to_vector): Remove
7759         redundant code.
7760         * cse.c (cse_insn): Compute cse_cfg_altered.
7761         (delete_trivially_dead_insns): Likewise.
7762         (cse_cc_succs): Likewise.
7763         (rest_of_handle_cse): Free dominance info if required.
7764         (rest_of_handle_cse2): Likewise.
7765         (rest_of_handle_cse_after_global_opts): Likewise.
7766
7767 2016-05-11  Alan Modra  <amodra@gmail.com>
7768
7769         * config/rs6000/rs6000.c (is_complex_IBM_long_double,
7770         abi_v4_pass_in_fpr): New functions.
7771         (rs6000_function_arg_boundary): Exclude complex IBM long double
7772         from 64-bit alignment when ABI_V4.
7773         (rs6000_function_arg, rs6000_function_arg_advance_1,
7774         rs6000_gimplify_va_arg): Use abi_v4_pass_in_fpr.
7775
7776 2016-05-10  Segher Boessenkool  <segher@kernel.crashing.org>
7777
7778         PR rtl-optimization/71028
7779         * cfgcleanup.c (try_optimize_cfg): Do not flip a conditional
7780         jump with just a return in the fallthrough block if the branch
7781         block contains just a return as well.
7782
7783 2016-05-10  Marc Glisse  <marc.glisse@inria.fr>
7784
7785         * fold-const.c (fold_binary_loc) [(X ^ Y) & Y]: Remove and merge with...
7786         * match.pd ((X & Y) ^ Y): ... this.
7787         ((X & Y) & Y, (X | Y) | Y, (X ^ Y) ^ Y, (X & Y) & (X & Z), (X | Y)
7788         | (X | Z), (X ^ Y) ^ (X ^ Z)): New transformations.
7789
7790 2016-05-10  David Malcolm  <dmalcolm@redhat.com>
7791
7792         * read-md.c (require_char_ws): New function.
7793         (read_string): Simplify using require_char_ws.
7794         (handle_constants): Likewise.
7795         (handle_enum): Likewise.
7796         (handle_file): Likewise.
7797         * read-md.h (require_char_ws): New declaration.
7798         * read-rtl.c (read_conditions): Simplify using require_char_ws.
7799         (read_mapping): Likewise.
7800         (read_rtx_code): Likewise.
7801         (read_nested_rtx): Likewise.
7802
7803 2016-05-10  James Norris  <jnorris@codesourcery.com>
7804
7805         * config/rs6000/sysv4.h (CRTOFFLOADBEGIN): Define. Add crtoffloadbegin.o
7806         if offloading is enabled and -fopenacc or -fopenmp is specified.
7807         (CRTOFFLOADEND): Likewise.
7808         (STARTFILE_LINUX_SPEC): Add CRTOFFLOADBEGIN.
7809         (ENDFILE_LINUX_SPEC): Add CRTOFFLOADEND.
7810
7811 2016-05-10  Uros Bizjak  <ubizjak@gmail.com>
7812
7813         * config/i386/i386.c (legitimize_pic_address): Merge 64-bit and 32-bit
7814         gotoff_operand code paths.  Use copy_to_suggested_regs and
7815         expand_simple_binop where appropriate.  Cleanup.
7816
7817 2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>
7818
7819         PR target/70799
7820         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p): Allow
7821         integer constants.
7822         (dimode_scalar_chain::vector_const_cost): New.
7823         (dimode_scalar_chain::compute_convert_gain): Handle constants.
7824         (dimode_scalar_chain::convert_op): Likewise.
7825         (dimode_scalar_chain::convert_insn): Likewise.
7826
7827 2016-05-10  Pierre-Marie de Rodat  <derodat@adacore.com>
7828
7829         * dwarf2out.c (resolve_args_picking_1): Consider DW_OP_neg as an
7830         unary operation, not a binary one.
7831
7832 2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>
7833
7834         PR middle-end/70877
7835         * tree-chkp.c (chkp_add_bounds_to_call_stmt): Handle
7836         calls with type casted fndecl.
7837
7838 2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>
7839
7840         PR tree-optimization/70786
7841         * tree-chkp.c (chkp_find_bounds_1): Support WITH_SIZE_EXPR.
7842         * calls.c (initialize_argument_information): Bind bounds
7843         with corresponding args passed by reference.
7844
7845 2016-05-10  Jakub Jelinek  <jakub@redhat.com>
7846
7847         PR target/70927
7848         * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>),
7849         *<code><mode>3<mask_name>): For !TARGET_AVX512DQ and EVEX encoding,
7850         use vp*[dq] instead of v*p[sd] instructions and adjust mode attribute
7851         accordingly.
7852
7853 2016-05-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7854
7855         PR target/70963
7856         * config/rs6000/vsx.md (vsx_xvcvdpsxds_scale): Generate correct
7857         code for a zero scale factor.
7858         (vsx_xvcvdpuxds_scale): Likewise.
7859
7860 2016-05-10  David Malcolm  <dmalcolm@redhat.com>
7861
7862         * diagnostic-show-locus.c (layout::layout): Call show_ruler
7863         if show_ruler_p was set on the context.
7864         (layout::show_ruler): New method.
7865         * diagnostic.h (struct diagnostic_context): Add field
7866         "show_ruler_p".
7867
7868 2016-05-10  Richard Biener  <rguenther@suse.de>
7869
7870         PR tree-optimization/71039
7871         * tree-ssa-phiprop.c: Include tree-ssa-loop.h.
7872         (chk_uses): New function.
7873         (propagate_with_phi): Verify we can safely replicate the lhs of an
7874         aggregate assignment on all incoming edges.
7875
7876 2016-05-10  Oleg Endo  <olegendo@gcc.gnu.org>
7877
7878         * config/rx/rx-protos.h (is_interrupt_func, is_fast_interrupt_func):
7879         Forward declare.
7880         (rx_atomic_sequence): New class.
7881         * config/rx/rx.c (rx_print_operand): Use symbolic names for PSW bits.
7882         (is_interrupt_func, is_fast_interrupt_func): Make non-static and
7883         non-inline.
7884         (rx_atomic_sequence::rx_atomic_sequence,
7885         rx_atomic_sequence::~rx_atomic_sequence): New functions.
7886         * config/rx/rx.md (CTRLREG_PSW, CTRLREG_USP, CTRLREG_FPSW, CTRLREG_CPEN,
7887         CTRLREG_BPSW, CTRLREG_BPC, CTRLREG_ISP, CTRLREG_FINTV,
7888         CTRLREG_INTB): New constants.
7889         (FETCHOP): New code iterator.
7890         (fethcop_name, fetchop_name2): New iterator code attributes.
7891         (QIHI): New mode iterator.
7892         (atomic_exchange<mode>, atomic_exchangesi, xchg_mem<mode>,
7893         atomic_fetch_<fetchop_name>si, atomic_fetch_nandsi,
7894         atomic_<fetchop_name>_fetchsi, atomic_nand_fetchsi): New patterns.
7895
7896 2016-05-10  Martin Liska  <mliska@suse.cz>
7897
7898         * tree-inline.c (remap_dependence_clique): Do not remap
7899         debugging statements.
7900
7901 2016-05-10  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7902
7903         * config/s390/s390.md ("*vec_cmp<insn_cmp>df_cconly")
7904         ("*fixuns_truncdfdi2_z13")
7905         ("*fixuns_trunc<FP:mode><GPR:mode>2_z196")
7906         ("*fix_truncdfdi2_bfp_z13", "*floatunsdidf2_z13")
7907         ("*extendsfdf2_z13"): Replace TARGET_Z13 with TARGET_VX.
7908
7909 2016-05-10  Richard Biener  <rguenther@suse.de>
7910
7911         PR tree-optimization/70497
7912         PR tree-optimization/28367
7913         * tree-ssa-sccvn.c (vn_nary_build_or_lookup): New function
7914         split out from ...
7915         (visit_reference_op_load): ... here.
7916         (vn_reference_lookup_3): Use it to handle subreg-like accesses
7917         with simplified BIT_FIELD_REFs.
7918         * tree-ssa-pre.c (eliminate_insert): Handle inserting BIT_FIELD_REFs.
7919         * tree-complex.c (extract_component): Handle BIT_FIELD_REFs
7920         correctly.
7921
7922 2016-05-10  Pierre-Marie de Rodat  <derodat@adacore.com>
7923
7924         * dwarf2out.c (add_abstract_origin_attribute): Adjust
7925         documentation comment.  For BLOCK nodes, add a
7926         DW_AT_abstract_origin attribute that points to the DIE generated
7927         for the origin BLOCK.
7928         (gen_lexical_block_die): Call add_abstract_origin_attribute for
7929         blocks from inlined functions.
7930
7931 2016-05-10  Alan Modra  <amodra@gmail.com>
7932
7933         PR target/70947
7934         * config/rs6000/rs6000.c (rs6000_expand_split_stack_prologue): Stop
7935         regrename modifying insns saving lr before __morestack call.
7936         * config/rs6000/rs6000.md (split_stack_return): Similarly for
7937         insns restoring lr after __morestack call.
7938
7939 2016-05-09  Jakub Jelinek  <jakub@redhat.com>
7940
7941         * config/i386/i386.md (set_got, set_got_labelled, lwp_llwpcb,
7942         lwp_lwpval<mode>3, lwp_lwpins<mode>3): Remove constraints from
7943         expanders.
7944         * config/i386/sse.md (vec_interleave_high<mode>,
7945         vec_interleave_low<mode>, <avx512>_vpermi2var<mode>3_maskz,
7946         <avx512>_vpermt2var<mode>3_maskz): Likewise.
7947
7948 2016-05-04  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
7949
7950         * config/rs6000/rs6000.c (rs6000_reassociation_width): Add
7951         function for TARGET_SCHED_REASSOCIATION_WIDTH to enable
7952         parallel reassociation for power8 and forward.
7953
7954 2016-05-09  Uros Bizjak  <ubizjak@gmail.com>
7955
7956         * config/i386/i386.md (absneg splitters with general regs): Use
7957         general_reg_operand predicate.
7958         (btsq peephole2): Use x86_64_immediate_operand to check if new
7959         value is suitable for immediate operand.  Generate emitted insn
7960         using RTL expressions.
7961         (btcq peephole2): Ditto.
7962         (btrq peephole2): Ditto.  Generate correct immediate operand
7963         for AND masking.
7964
7965 2016-05-09  Richard Sandiford  <richard.sandiford@arm.com>
7966
7967         * cfgexpand.c (expand_debug_expr): Fix address offset for negative
7968         bitpos.
7969
7970 2016-05-09  Richard Sandiford  <richard.sandiford@arm.com>
7971
7972         * tree-affine.c (wide_int_constant_multiple_p): Add missing
7973         pointer dereference.
7974
7975 2016-05-09  Richard Biener  <rguenther@suse.de>
7976
7977         PR tree-optimization/70985
7978         * match.pd (BIT_FIELD_REF -> (type)): Disable on GIMPLE when
7979         op0 isn't a gimple register.
7980
7981 2016-05-09  Prachi Godbole  <prachi.godbole@imgtec.com>
7982
7983         * config/mips/i6400.md (i6400_fpu_intadd, i6400_fpu_logic)
7984         (i6400_fpu_div, i6400_fpu_cmp, i6400_fpu_float, i6400_fpu_store)
7985         (i6400_fpu_long_pipe, i6400_fpu_logic_l, i6400_fpu_float_l)
7986         (i6400_fpu_mult): New cpu units.
7987         (i6400_msa_add_d, i6400_msa_int_add, i6400_msa_short_logic3)
7988         (i6400_msa_short_logic2, i6400_msa_short_logic, i6400_msa_move)
7989         (i6400_msa_cmp, i6400_msa_short_float2, i6400_msa_div_d)
7990         (i6400_msa_div_w, i6400_msa_div_h, i6400_msa_div_b)
7991         (i6400_msa_copy, i6400_msa_branch, i6400_fpu_msa_store)
7992         (i6400_fpu_msa_load, i6400_fpu_msa_move, i6400_msa_long_logic1)
7993         (i6400_msa_long_logic2, i6400_msa_mult, i6400_msa_long_float2)
7994         (i6400_msa_long_float4, i6400_msa_long_float5)
7995         (i6400_msa_long_float8, i6400_msa_fdiv_df)
7996         (i6400_msa_fdiv_sf): New reservations.
7997         * config/mips/p5600.md (p5600_fpu_intadd, p5600_fpu_cmp)
7998         (p5600_fpu_float, p5600_fpu_logic_a, p5600_fpu_logic_b)
7999         (p5600_fpu_div, p5600_fpu_logic, p5600_fpu_float_a)
8000         (p5600_fpu_float_b, p5600_fpu_float_c, p5600_fpu_float_d)
8001         (p5600_fpu_mult, p5600_fpu_fdiv, p5600_fpu_load): New cpu units.
8002         (msa_short_int_add, msa_short_logic, msa_short_logic_move_v)
8003         (msa_short_cmp, msa_short_float2, msa_short_logic3)
8004         (msa_short_store4, msa_long_load, msa_short_store)
8005         (msa_long_logic, msa_long_float2, msa_long_float4)
8006         (msa_long_float5, msa_long_float8, msa_long_mult)
8007         (msa_long_fdiv, msa_long_div): New reservations.
8008
8009 2016-05-09  Robert Suchanek  <robert.suchanek@imgtec.com>
8010             Sameera Deshpande  <sameera.deshpande@imgtec.com>
8011             Matthew Fortune  <matthew.fortune@imgtec.com>
8012             Graham Stott  <graham.stott@imgtec.com>
8013             Chao-ying Fu  <chao-ying.fu@imgtec.com>
8014
8015         * config.gcc: Add MSA header file for mips*-*-* target.
8016         * config/mips/constraints.md (YI, YC, YZ, Unv5, Uuv5, Usv5, Uuv6)
8017         (Ubv8i, Urv8):  New constraints.
8018         * config/mips/mips-ftypes.def: Add function types for MSA
8019         builtins.
8020         * config/mips/mips-modes.def (V16QI, V8HI, V4SI, V2DI, V4SF)
8021         (V2DF, V32QI, V16HI, V8SI, V4DI, V8SF, V4DF): New modes.
8022         * config/mips/mips-msa.md: New file.
8023         * config/mips/mips-protos.h
8024         (mips_split_128bit_const_insns): New prototype.
8025         (mips_msa_idiv_insns): Likewise.
8026         (mips_split_128bit_move): Likewise.
8027         (mips_split_128bit_move_p): Likewise.
8028         (mips_split_msa_copy_d): Likewise.
8029         (mips_split_msa_insert_d): Likewise.
8030         (mips_split_msa_fill_d): Likewise.
8031         (mips_expand_msa_branch): Likewise.
8032         (mips_const_vector_same_val_p): Likewise.
8033         (mips_const_vector_same_bytes_p): Likewise.
8034         (mips_const_vector_same_int_p): Likewise.
8035         (mips_const_vector_shuffle_set_p): Likewise.
8036         (mips_const_vector_bitimm_set_p): Likewise.
8037         (mips_const_vector_bitimm_clr_p): Likewise.
8038         (mips_msa_vec_parallel_const_half): Likewise.
8039         (mips_msa_output_division): Likewise.
8040         (mips_ldst_scaled_shift): Likewise.
8041         (mips_expand_vec_cond_expr): Likewise.
8042         * config/mips/mips.c (enum mips_builtin_type): Add
8043         MIPS_BUILTIN_MSA_TEST_BRANCH.
8044         (mips_gen_const_int_vector_shuffle): New prototype.
8045         (mips_const_vector_bitimm_set_p): New function.
8046         (mips_const_vector_bitimm_clr_p): Likewise.
8047         (mips_const_vector_same_val_p): Likewise.
8048         (mips_const_vector_same_bytes_p): Likewise.
8049         (mips_const_vector_same_int_p): Likewise.
8050         (mips_const_vector_shuffle_set_p): Likewise.
8051         (mips_symbol_insns): Forbid loading symbols via immediate for
8052         MSA.
8053         (mips_valid_offset_p): Limit offset to 10-bit for MSA loads and
8054         stores.
8055         (mips_valid_lo_sum_p): Forbid loadings symbols via %lo(base) for
8056         MSA.
8057         (mips_lx_address_p): Add support load indexed address for MSA.
8058         (mips_address_insns): Add calculation of instructions needed for
8059         stores and loads for MSA.
8060         (mips_const_insns): Move CONST_DOUBLE below CONST_VECTOR.  Handle
8061         CONST_VECTOR for MSA and let it fall through.
8062         (mips_ldst_scaled_shift): New function.
8063         (mips_subword_at_byte): Likewise.
8064         (mips_msa_idiv_insns): Likewise.
8065         (mips_legitimize_move): Validate MSA moves.
8066         (mips_rtx_costs): Add UNGE, UNGT, UNLE, UNLT cases.  Add
8067         calculation of costs for MSA division.
8068         (mips_split_move_p): Check if MSA moves need splitting.
8069         (mips_split_move): Split MSA moves if necessary.
8070         (mips_split_128bit_move_p): New function.
8071         (mips_split_128bit_move): Likewise.
8072         (mips_split_msa_copy_d): Likewise.
8073         (mips_split_msa_insert_d): Likewise.
8074         (mips_split_msa_fill_d): Likewise.
8075         (mips_output_move): Handle MSA moves.
8076         (mips_expand_msa_branch): New function.
8077         (mips_print_operand): Add 'E', 'B', 'w', 'v' and 'V' modifiers.
8078         Reinstate 'y' modifier.
8079         (mips_file_start): Add MSA .gnu_attribute.
8080         (mips_hard_regno_mode_ok_p): Allow TImode and 128-bit vectors in
8081         FPRs.
8082         (mips_hard_regno_nregs): Always return 1 for MSA supported mode.
8083         (mips_class_max_nregs): Add register size for MSA supported mode.
8084         (mips_cannot_change_mode_class): Allow conversion between MSA
8085         vector modes and TImode.
8086         (mips_mode_ok_for_mov_fmt_p): Allow MSA to use move.v
8087         instruction.
8088         (mips_secondary_reload_class): Force MSA loads/stores via memory.
8089         (mips_preferred_simd_mode): Add preffered modes for MSA.
8090         (mips_vector_mode_supported_p): Add MSA supported modes.
8091         (mips_autovectorize_vector_sizes): New function.
8092         (mips_msa_output_division): Likewise.
8093         (MSA_BUILTIN, MIPS_BUILTIN_DIRECT_NO_TARGET)
8094         (MSA_NO_TARGET_BUILTIN, MSA_BUILTIN_TEST_BRANCH): New macros.
8095         (CODE_FOR_msa_adds_s_b, CODE_FOR_msa_adds_s_h)
8096         (CODE_FOR_msa_adds_s_w, CODE_FOR_msa_adds_s_d)
8097         (CODE_FOR_msa_adds_u_b, CODE_FOR_msa_adds_u_h)
8098         (CODE_FOR_msa_adds_u_w, CODE_FOR_msa_adds_u_du
8099         (CODE_FOR_msa_addv_b, CODE_FOR_msa_addv_h, CODE_FOR_msa_addv_w)
8100         (CODE_FOR_msa_addv_d, CODE_FOR_msa_and_v, CODE_FOR_msa_bmnz_v)
8101         (CODE_FOR_msa_bmnzi_b, CODE_FOR_msa_bmz_v, CODE_FOR_msa_bmzi_b)
8102         (CODE_FOR_msa_bnz_v, CODE_FOR_msa_bz_v, CODE_FOR_msa_bsel_v)
8103         (CODE_FOR_msa_bseli_b, CODE_FOR_msa_ceqi_h, CODE_FOR_msa_ceqi_w)
8104         (CODE_FOR_msa_ceqi_d, CODE_FOR_msa_clti_s_b)
8105         (CODE_FOR_msa_clti_s_h, CODE_FOR_msa_clti_s_w)
8106         (CODE_FOR_msa_clti_s_d, CODE_FOR_msa_clti_u_b)
8107         (CODE_FOR_msa_clti_u_h, CODE_FOR_msa_clti_u_w)
8108         (CODE_FOR_msa_clti_u_d, CODE_FOR_msa_clei_s_b)
8109         (CODE_FOR_msa_clei_s_h, CODE_FOR_msa_clei_s_w)
8110         (CODE_FOR_msa_clei_s_d, CODE_FOR_msa_clei_u_b)
8111         (CODE_FOR_msa_clei_u_h, CODE_FOR_msa_clei_u_w)
8112         (CODE_FOR_msa_clei_u_d, CODE_FOR_msa_div_s_b)
8113         (CODE_FOR_msa_div_s_h, CODE_FOR_msa_div_s_w)
8114         (CODE_FOR_msa_div_s_d, CODE_FOR_msa_div_u_b)
8115         (CODE_FOR_msa_div_u_h, CODE_FOR_msa_div_u_w)
8116         (CODE_FOR_msa_div_u_d, CODE_FOR_msa_fadd_w, CODE_FOR_msa_fadd_d)
8117         (CODE_FOR_msa_fexdo_w, CODE_FOR_msa_ftrunc_s_w)
8118         (CODE_FOR_msa_ftrunc_s_d, CODE_FOR_msa_ftrunc_u_w)
8119         (CODE_FOR_msa_ftrunc_u_d, CODE_FOR_msa_ffint_s_w)
8120         (CODE_FOR_msa_ffint_s_d, CODE_FOR_msa_ffint_u_w)
8121         (CODE_FOR_msa_ffint_u_d, CODE_FOR_msa_fsub_w)
8122         (CODE_FOR_msa_fsub_d, CODE_FOR_msa_fmsub_d, CODE_FOR_msa_fmadd_w)
8123         (CODE_FOR_msa_fmadd_d, CODE_FOR_msa_fmsub_w, CODE_FOR_msa_fmul_w)
8124         (CODE_FOR_msa_fmul_d, CODE_FOR_msa_fdiv_w, CODE_FOR_msa_fdiv_d)
8125         (CODE_FOR_msa_fmax_w, CODE_FOR_msa_fmax_d, CODE_FOR_msa_fmax_a_w)
8126         (CODE_FOR_msa_fmax_a_d, CODE_FOR_msa_fmin_w, CODE_FOR_msa_fmin_d)
8127         (CODE_FOR_msa_fmin_a_w, CODE_FOR_msa_fmin_a_d)
8128         (CODE_FOR_msa_fsqrt_w, CODE_FOR_msa_fsqrt_d)
8129         (CODE_FOR_msa_max_s_b, CODE_FOR_msa_max_s_h)
8130         (CODE_FOR_msa_max_s_w, CODE_FOR_msa_max_s_d)
8131         (CODE_FOR_msa_max_u_b, CODE_FOR_msa_max_u_h)
8132         (CODE_FOR_msa_max_u_w, CODE_FOR_msa_max_u_d)
8133         (CODE_FOR_msa_min_s_b, CODE_FOR_msa_min_s_h)
8134         (CODE_FOR_msa_min_s_w, CODE_FOR_msa_min_s_d)
8135         (CODE_FOR_msa_min_u_b, CODE_FOR_msa_min_u_h)
8136         (CODE_FOR_msa_min_u_w, CODE_FOR_msa_min_u_d)
8137         (CODE_FOR_msa_mod_s_b, CODE_FOR_msa_mod_s_h)
8138         (CODE_FOR_msa_mod_s_w, CODE_FOR_msa_mod_s_d)
8139         (CODE_FOR_msa_mod_u_b, CODE_FOR_msa_mod_u_h)
8140         (CODE_FOR_msa_mod_u_w, CODE_FOR_msa_mod_u_d)
8141         (CODE_FOR_msa_mod_s_b, CODE_FOR_msa_mod_s_h)
8142         (CODE_FOR_msa_mod_s_w, CODE_FOR_msa_mod_s_d)
8143         (CODE_FOR_msa_mod_u_b, CODE_FOR_msa_mod_u_h)
8144         (CODE_FOR_msa_mod_u_w, CODE_FOR_msa_mod_u_d)
8145         (CODE_FOR_msa_mulv_b, CODE_FOR_msa_mulv_h, CODE_FOR_msa_mulv_w)
8146         (CODE_FOR_msa_mulv_d, CODE_FOR_msa_nlzc_b, CODE_FOR_msa_nlzc_h)
8147         (CODE_FOR_msa_nlzc_w, CODE_FOR_msa_nlzc_d, CODE_FOR_msa_nor_v)
8148         (CODE_FOR_msa_or_v, CODE_FOR_msa_ori_b, CODE_FOR_msa_nori_b)
8149         (CODE_FOR_msa_pcnt_b, CODE_FOR_msa_pcnt_h, CODE_FOR_msa_pcnt_w)
8150         (CODE_FOR_msa_pcnt_d, CODE_FOR_msa_xor_v, CODE_FOR_msa_xori_b)
8151         (CODE_FOR_msa_sll_b, CODE_FOR_msa_sll_h, CODE_FOR_msa_sll_w)
8152         (CODE_FOR_msa_sll_d, CODE_FOR_msa_slli_b, CODE_FOR_msa_slli_h)
8153         (CODE_FOR_msa_slli_w, CODE_FOR_msa_slli_d, CODE_FOR_msa_sra_b)
8154         (CODE_FOR_msa_sra_h, CODE_FOR_msa_sra_w, CODE_FOR_msa_sra_d)
8155         (CODE_FOR_msa_srai_b, CODE_FOR_msa_srai_h, CODE_FOR_msa_srai_w)
8156         (CODE_FOR_msa_srai_d, CODE_FOR_msa_srl_b, CODE_FOR_msa_srl_h)
8157         (CODE_FOR_msa_srl_w, CODE_FOR_msa_srl_d, CODE_FOR_msa_srli_b)
8158         (CODE_FOR_msa_srli_h, CODE_FOR_msa_srli_w, CODE_FOR_msa_srli_d)
8159         (CODE_FOR_msa_subv_b, CODE_FOR_msa_subv_h, CODE_FOR_msa_subv_w)
8160         (CODE_FOR_msa_subv_d, CODE_FOR_msa_subvi_b, CODE_FOR_msa_subvi_h)
8161         (CODE_FOR_msa_subvi_w, CODE_FOR_msa_subvi_d, CODE_FOR_msa_move_v)
8162         (CODE_FOR_msa_vshf_b, CODE_FOR_msa_vshf_h, CODE_FOR_msa_vshf_w)
8163         (CODE_FOR_msa_vshf_d, CODE_FOR_msa_ilvod_d, CODE_FOR_msa_ilvev_d)
8164         (CODE_FOR_msa_pckod_d, CODE_FOR_msa_pckdev_d, CODE_FOR_msa_ldi_b)
8165         (CODE_FOR_msa_ldi_hi, CODE_FOR_msa_ldi_w)
8166         (CODE_FOR_msa_ldi_d): New code_aliasing macros.
8167         (mips_builtins): Add MSA sll_b, sll_h, sll_w, sll_d, slli_b,
8168         slli_h, slli_w, slli_d, sra_b, sra_h, sra_w, sra_d, srai_b,
8169         srai_h, srai_w, srai_d, srar_b, srar_h, srar_w, srar_d, srari_b,
8170         srari_h, srari_w, srari_d, srl_b, srl_h, srl_w, srl_d, srli_b,
8171         srli_h, srli_w, srli_d, srlr_b, srlr_h, srlr_w, srlr_d, srlri_b,
8172         srlri_h, srlri_w, srlri_d, bclr_b, bclr_h, bclr_w, bclr_d,
8173         bclri_b, bclri_h, bclri_w, bclri_d, bset_b, bset_h, bset_w,
8174         bset_d, bseti_b, bseti_h, bseti_w, bseti_d, bneg_b, bneg_h,
8175         bneg_w, bneg_d, bnegi_b, bnegi_h, bnegi_w, bnegi_d, binsl_b,
8176         binsl_h, binsl_w, binsl_d, binsli_b, binsli_h, binsli_w,
8177         binsli_d, binsr_b, binsr_h, binsr_w, binsr_d, binsri_b, binsri_h,
8178         binsri_w, binsri_d, addv_b, addv_h, addv_w, addv_d, addvi_b,
8179         addvi_h, addvi_w, addvi_d, subv_b, subv_h, subv_w, subv_d,
8180         subvi_b, subvi_h, subvi_w, subvi_d, max_s_b, max_s_h, max_s_w,
8181         max_s_d, maxi_s_b, maxi_s_h, maxi_s_w, maxi_s_d, max_u_b,
8182         max_u_h, max_u_w, max_u_d, maxi_u_b, maxi_u_h, maxi_u_w,
8183         maxi_u_d, min_s_b, min_s_h, min_s_w, min_s_d, mini_s_b, mini_s_h,
8184         mini_s_w, mini_s_d, min_u_b, min_u_h, min_u_w, min_u_d, mini_u_b,
8185         mini_u_h, mini_u_w, mini_u_d, max_a_b, max_a_h, max_a_w, max_a_d,
8186         min_a_b, min_a_h, min_a_w, min_a_d, ceq_b, ceq_h, ceq_w, ceq_d,
8187         ceqi_b, ceqi_h, ceqi_w, ceqi_d, clt_s_b, clt_s_h, clt_s_w,
8188         clt_s_d, clti_s_b, clti_s_h, clti_s_w, clti_s_d, clt_u_b,
8189         clt_u_h, clt_u_w, clt_u_d, clti_u_b, clti_u_h, clti_u_w,
8190         clti_u_d, cle_s_b, cle_s_h, cle_s_w, cle_s_d, clei_s_b, clei_s_h,
8191         clei_s_w, clei_s_d, cle_u_b, cle_u_h, cle_u_w, cle_u_d, clei_u_b,
8192         clei_u_h, clei_u_w, clei_u_d, ld_b, ld_h, ld_w, ld_d, st_b, st_h,
8193         st_w, st_d, sat_s_b, sat_s_h, sat_s_w, sat_s_d, sat_u_b, sat_u_h,
8194         sat_u_w, sat_u_d, add_a_b, add_a_h, add_a_w, add_a_d, adds_a_b,
8195         adds_a_h, adds_a_w, adds_a_d, adds_s_b, adds_s_h, adds_s_w,
8196         adds_s_d, adds_u_b, adds_u_h, adds_u_w, adds_u_d, ave_s_b,
8197         ave_s_h, ave_s_w, ave_s_d, ave_u_b, ave_u_h, ave_u_w, ave_u_d,
8198         aver_s_b, aver_s_h, aver_s_w, aver_s_d, aver_u_b, aver_u_h,
8199         aver_u_w, aver_u_d, subs_s_b, subs_s_h, subs_s_w, subs_s_d,
8200         subs_u_b, subs_u_h, subs_u_w, subs_u_d, subsuu_s_b, subsuu_s_h,
8201         subsuu_s_w, subsuu_s_d, subsus_u_b, subsus_u_h, subsus_u_w,
8202         subsus_u_d, asub_s_b, asub_s_h, asub_s_w, asub_s_d, asub_u_b,
8203         asub_u_h, asub_u_w, asub_u_d, mulv_b, mulv_h, mulv_w, mulv_d,
8204         maddv_b, maddv_h, maddv_w, maddv_d, msubv_b, msubv_h, msubv_w,
8205         msubv_d, div_s_b, div_s_h, div_s_w, div_s_d, div_u_b, div_u_h,
8206         div_u_w, div_u_d, hadd_s_h, hadd_s_w, hadd_s_d, hadd_u_h,
8207         hadd_u_w, hadd_u_d, hsub_s_h, hsub_s_w, hsub_s_d, hsub_u_h,
8208         hsub_u_w, hsub_u_d, mod_s_b, mod_s_h, mod_s_w, mod_s_d, mod_u_b,
8209         mod_u_h, mod_u_w, mod_u_d, dotp_s_h, dotp_s_w, dotp_s_d,
8210         dotp_u_h, dotp_u_w, dotp_u_d, dpadd_s_h, dpadd_s_w, dpadd_s_d,
8211         dpadd_u_h, dpadd_u_w, dpadd_u_d, dpsub_s_h, dpsub_s_w, dpsub_s_d,
8212         dpsub_u_h, dpsub_u_w, dpsub_u_d, sld_b, sld_h, sld_w, sld_d,
8213         sldi_b, sldi_h, sldi_w, sldi_d, splat_b, splat_h, splat_w,
8214         splat_d, splati_b, splati_h, splati_w, splati_d, pckev_b,
8215         pckev_h, pckev_w, pckev_d, pckod_b, pckod_h, pckod_w, pckod_d,
8216         ilvl_b, ilvl_h, ilvl_w, ilvl_d, ilvr_b, ilvr_h, ilvr_w, ilvr_d,
8217         ilvev_b, ilvev_h, ilvev_w, ilvev_d, ilvod_b, ilvod_h, ilvod_w,
8218         ilvod_d, vshf_b, vshf_h, vshf_w, vshf_d, and_v, andi_b, or_v,
8219         ori_b, nor_v, nori_b, xor_v, xori_b, bmnz_v, bmnzi_b, bmz_v,
8220         bmzi_b, bsel_v, bseli_b, shf_b, shf_h, shf_w, bnz_v, bz_v,
8221         fill_b, fill_h, fill_w, fill_d, pcnt_b, pcnt_h, pcnt_w,
8222         pcnt_d, nloc_b, nloc_h, nloc_w, nloc_d, nlzc_b, nlzc_h, nlzc_w,
8223         nlzc_d, copy_s_b, copy_s_h, copy_s_w, copy_s_d, copy_u_b,
8224         copy_u_h, copy_u_w, copy_u_d, insert_b, insert_h, insert_w,
8225         insert_d, insve_b, insve_h, insve_w, insve_d, bnz_b, bnz_h,
8226         bnz_w, bnz_d, bz_b, bz_h, bz_w, bz_d, ldi_b, ldi_h, ldi_w, ldi_d,
8227         fcaf_w, fcaf_d, fcor_w, fcor_d, fcun_w, fcun_d, fcune_w, fcune_d,
8228         fcueq_w, fcueq_d, fceq_w, fceq_d, fcne_w, fcne_d, fclt_w, fclt_d,
8229         fcult_w, fcult_d, fcle_w, fcle_d, fcule_w, fcule_d, fsaf_w,
8230         fsaf_d, fsor_w, fsor_d, fsun_w, fsun_d, fsune_w, fsune_d,
8231         fsueq_w, fsueq_d, fseq_w, fseq_d, fsne_w, fsne_d, fslt_w,
8232         fslt_d, fsult_w, fsult_d, fsle_w, fsle_d, fsule_w, fsule_d,
8233         fadd_w, fadd_d, fsub_w, fsub_d, fmul_w, fmul_d, fdiv_w, fdiv_d,
8234         fmadd_w, fmadd_d, fmsub_w, fmsub_d, fexp2_w, fexp2_d, fexdo_h,
8235         fexdo_w, ftq_h, ftq_w, fmin_w, fmin_d, fmin_a_w, fmin_a_d,
8236         fmax_w, fmax_d, fmax_a_w, fmax_a_d, mul_q_h, mul_q_w, mulr_q_h,
8237         mulr_q_w, madd_q_h, madd_q_w, maddr_q_h, maddr_q_w, msub_q_h,
8238         msub_q_w, msubr_q_h, msubr_q_w, fclass_w, fclass_d, fsqrt_w,
8239         fsqrt_d, frcp_w, frcp_d, frint_w, frint_d, frsqrt_w, frsqrt_d,
8240         flog2_w, flog2_d, fexupl_w, fexupl_d, fexupr_w, fexupr_d, ffql_w,
8241         ffql_d, ffqr_w, ffqr_d, ftint_s_w, ftint_s_d, ftint_u_w,
8242         ftint_u_d, ftrunc_s_w, ftrunc_s_d, ftrunc_u_w, ftrunc_u_d,
8243         ffint_s_w, ffint_s_d, ffint_u_w, ffint_u_d, ctcmsa, cfcmsa,
8244         move_v builtins.
8245         (mips_get_builtin_decl_index): New array.
8246         (MIPS_ATYPE_QI, MIPS_ATYPE_HI, MIPS_ATYPE_V2DI, MIPS_ATYPE_V4SI)
8247         (MIPS_ATYPE_V8HI, MIPS_ATYPE_V16QI, MIPS_ATYPE_V2DF)
8248         (MIPS_ATYPE_V4SF, MIPS_ATYPE_UV2DI, MIPS_ATYPE_UV4SI)
8249         (MIPS_ATYPE_UV8HI, MIPS_ATYPE_UV16QI): New.
8250         (mips_init_builtins): Initialize mips_get_builtin_decl_index
8251         array.
8252         (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define target
8253         hook.
8254         (mips_expand_builtin_insn): Prepare operands for
8255         CODE_FOR_msa_addvi_b, CODE_FOR_msa_addvi_h, CODE_FOR_msa_addvi_w,
8256         CODE_FOR_msa_addvi_d, CODE_FOR_msa_clti_u_b,
8257         CODE_FOR_msa_clti_u_h, CODE_FOR_msa_clti_u_w,
8258         CODE_FOR_msa_clti_u_d, CODE_FOR_msa_clei_u_b,
8259         CODE_FOR_msa_clei_u_h, CODE_FOR_msa_clei_u_w,
8260         CODE_FOR_msa_clei_u_d, CODE_FOR_msa_maxi_u_b,
8261         CODE_FOR_msa_maxi_u_h, CODE_FOR_msa_maxi_u_w,
8262         CODE_FOR_msa_maxi_u_d, CODE_FOR_msa_mini_u_b,
8263         CODE_FOR_msa_mini_u_h, CODE_FOR_msa_mini_u_w,
8264         CODE_FOR_msa_mini_u_d, CODE_FOR_msa_subvi_b,
8265         CODE_FOR_msa_subvi_h, CODE_FOR_msa_subvi_w, CODE_FOR_msa_subvi_d,
8266         CODE_FOR_msa_ceqi_b, CODE_FOR_msa_ceqi_h, CODE_FOR_msa_ceqi_w,
8267         CODE_FOR_msa_ceqi_d, CODE_FOR_msa_clti_s_b,
8268         CODE_FOR_msa_clti_s_h, CODE_FOR_msa_clti_s_w,
8269         CODE_FOR_msa_clti_s_d, CODE_FOR_msa_clei_s_b,
8270         CODE_FOR_msa_clei_s_h, CODE_FOR_msa_clei_s_w,
8271         CODE_FOR_msa_clei_s_d, CODE_FOR_msa_maxi_s_b,
8272         CODE_FOR_msa_maxi_s_h, CODE_FOR_msa_maxi_s_w,
8273         CODE_FOR_msa_maxi_s_d, CODE_FOR_msa_mini_s_b,
8274         CODE_FOR_msa_mini_s_h, CODE_FOR_msa_mini_s_w,
8275         CODE_FOR_msa_mini_s_d, CODE_FOR_msa_andi_b, CODE_FOR_msa_ori_b,
8276         CODE_FOR_msa_nori_b, CODE_FOR_msa_xori_b, CODE_FOR_msa_bmzi_b,
8277         CODE_FOR_msa_bmnzi_b, CODE_FOR_msa_bseli_b, CODE_FOR_msa_fill_b,
8278         CODE_FOR_msa_fill_h, CODE_FOR_msa_fill_w, CODE_FOR_msa_fill_d,
8279         CODE_FOR_msa_ilvl_b, CODE_FOR_msa_ilvl_h, CODE_FOR_msa_ilvl_w,
8280         CODE_FOR_msa_ilvl_d, CODE_FOR_msa_ilvr_b, CODE_FOR_msa_ilvr_h,
8281         CODE_FOR_msa_ilvr_w, CODE_FOR_msa_ilvr_d, CODE_FOR_msa_ilvev_b,
8282         CODE_FOR_msa_ilvev_h, CODE_FOR_msa_ilvev_w, CODE_FOR_msa_ilvod_b,
8283         CODE_FOR_msa_ilvod_h, CODE_FOR_msa_ilvod_w, CODE_FOR_msa_pckev_b,
8284         CODE_FOR_msa_pckev_h, CODE_FOR_msa_pckev_w, CODE_FOR_msa_pckod_b,
8285         CODE_FOR_msa_pckod_h, CODE_FOR_msa_pckod_w, CODE_FOR_msa_slli_b,
8286         CODE_FOR_msa_slli_h, CODE_FOR_msa_slli_w, CODE_FOR_msa_slli_d,
8287         CODE_FOR_msa_srai_b, CODE_FOR_msa_srai_h, CODE_FOR_msa_srai_w,
8288         CODE_FOR_msa_srai_d, CODE_FOR_msa_srli_b, CODE_FOR_msa_srli_h,
8289         CODE_FOR_msa_srli_w, CODE_FOR_msa_srli_d, CODE_FOR_msa_insert_b,
8290         CODE_FOR_msa_insert_h, CODE_FOR_msa_insert_w,
8291         CODE_FOR_msa_insert_d, CODE_FOR_msa_insve_b,
8292         CODE_FOR_msa_insve_h, CODE_FOR_msa_insve_w, CODE_FOR_msa_insve_d,
8293         CODE_FOR_msa_shf_b, CODE_FOR_msa_shf_h, CODE_FOR_msa_shf_w,
8294         CODE_FOR_msa_shf_w_f, CODE_FOR_msa_vshf_b, CODE_FOR_msa_vshf_h,
8295         CODE_FOR_msa_vshf_w, CODE_FOR_msa_vshf_d.
8296         (mips_expand_builtin): Add case for MIPS_BULTIN_MSA_TEST_BRANCH.
8297         (mips_set_compression_mode): Disallow MSA with MIPS16 code.
8298         (mips_option_override): -mmsa requires -mfp64 and -mhard-float.
8299         These are set implicitly and an error is reported if overridden.
8300         (mips_expand_builtin_msa_test_branch): New function.
8301         (mips_expand_msa_shuffle): Likewise.
8302         (MAX_VECT_LEN): Increase maximum length of a vector to 16 bytes.
8303         (TARGET_SCHED_REASSOCIATION_WIDTH): Define target hook.
8304         (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Likewise.
8305         (mips_expand_vec_unpack): Add support for MSA.
8306         (mips_expand_vector_init): Likewise.
8307         (mips_expand_vi_constant): Use CONST0_RTX (element_mode)
8308         instead of const0_rtx.
8309         (mips_msa_vec_parallel_const_half): New function.
8310         (mips_gen_const_int_vector): Likewise.
8311         (mips_gen_const_int_vector_shuffle): Likewise.
8312         (mips_expand_msa_cmp): Likewise.
8313         (mips_expand_vec_cond_expr): Likewise.
8314         * config/mips/mips.h
8315         (TARGET_CPU_CPP_BUILTINS): Add __mips_msa and __mips_msa_width.
8316         (OPTION_DEFAULT_SPECS): Ignore --with-fp-32 if -mmsa is
8317         specified.
8318         (ASM_SPEC): Pass mmsa and mno-msa to the assembler.
8319         (ISA_HAS_MSA): New macro.
8320         (UNITS_PER_MSA_REG): Likewise.
8321         (BITS_PER_MSA_REG): Likewise.
8322         (BIGGEST_ALIGNMENT): Redefine using ISA_HAS_MSA.
8323         (MSA_REG_FIRST): New macro.
8324         (MSA_REG_LAST): Likewise.
8325         (MSA_REG_NUM): Likewise.
8326         (MSA_REG_P): Likewise.
8327         (MSA_REG_RTX_P): Likewise.
8328         (MSA_SUPPORTED_MODE_P): Likewise.
8329         (HARD_REGNO_CALL_PART_CLOBBERED): Redefine using TARGET_MSA.
8330         (ADDITIONAL_REGISTER_NAMES): Add named registers $w0-$w31.
8331         * config/mips/mips.md: Include mips-msa.md.
8332         (alu_type): Add simd_add.
8333         (mode): Add V2DI, V4SI, V8HI, V16QI, V2DF, V4SF.
8334         (type): Add simd_div, simd_fclass, simd_flog2, simd_fadd,
8335         simd_fcvt, simd_fmul, simd_fmadd, simd_fdiv, simd_bitins,
8336         simd_bitmov, simd_insert, simd_sld, simd_mul, simd_fcmp,
8337         simd_fexp2, simd_int_arith, simd_bit, simd_shift, simd_splat,
8338         simd_fill, simd_permute, simd_shf, simd_sat, simd_pcnt,
8339         simd_copy, simd_branch, simd_cmsa, simd_fminmax, simd_logic,
8340         simd_move, simd_load, simd_store.  Choose "multi" for moves
8341         for "qword_mode".
8342         (qword_mode): New attribute.
8343         (insn_count): Add instruction count for quad moves.
8344         Increase the count for MIPS SIMD division.
8345         (UNITMODE): Add UNITMODEs for vector types.
8346         (addsub): New code iterator.
8347         * config/mips/mips.opt (mmsa): New option.
8348         * config/mips/msa.h: New file.
8349         * config/mips/mti-elf.h: Don't infer -mfpxx if -mmsa is
8350         specified.
8351         * config/mips/mti-linux.h: Likewise.
8352         * config/mips/predicates.md
8353         (const_msa_branch_operand): New constraint.
8354         (const_uimm3_operand): Likewise.
8355         (const_uimm4_operand): Likewise.
8356         (const_uimm5_operand): Likewise.
8357         (const_uimm8_operand): Likewise.
8358         (const_imm5_operand): Likewise.
8359         (aq10b_operand): Likewise.
8360         (aq10h_operand): Likewise.
8361         (aq10w_operand): Likewise.
8362         (aq10d_operand): Likewise.
8363         (const_m1_operand): Likewise.
8364         (reg_or_m1_operand): Likewise.
8365         (const_exp_2_operand): Likewise.
8366         (const_exp_4_operand): Likewise.
8367         (const_exp_8_operand): Likewise.
8368         (const_exp_16_operand): Likewise.
8369         (const_vector_same_val_operand): Likewise.
8370         (const_vector_same_simm5_operand): Likewise.
8371         (const_vector_same_uimm5_operand): Likewise.
8372         (const_vector_same_uimm6_operand): Likewise.
8373         (const_vector_same_uimm8_operand): Likewise.
8374         (par_const_vector_shf_set_operand): Likewise.
8375         (reg_or_vector_same_val_operand): Likewise.
8376         (reg_or_vector_same_simm5_operand): Likewise.
8377         (reg_or_vector_same_uimm6_operand): Likewise.
8378         * doc/extend.texi (MIPS SIMD Architecture Functions): New
8379         section.
8380         * doc/invoke.texi (-mmsa): Document new option.
8381
8382 2016-05-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8383
8384         * configure.ac (enable_vtable_verify): Handle --enable-vtable-verify.
8385         * configure: Regenerate.
8386         * config.in: Regenerate.
8387         * gcc.c (VTABLE_VERIFICATION_SPEC) [!ENABLE_VTABLE_VERIFY]: Error
8388         on -fvtable-verify.
8389         * config/sol2.h [!ENABLE_VTABLE_VERIFY] (STARTFILE_VTV_SPEC): Define.
8390         (ENDFILE_VTV_SPEC): Define.
8391
8392 2016-05-09  Kaushik Phatak  <kaushik.phatak@kpit.com>
8393
8394         * config/rl78/rl78.c (rl78_expand_prologue): Save the MDUC related
8395         registers in all interrupt handlers if necessary.
8396         (rl78_option_override): Add warning.
8397         (MUST_SAVE_MDUC_REGISTERS): New macro.
8398         (rl78_expand_epilogue): Restore the MDUC registers if necessary.
8399         * config/rl78/rl78.c (check_mduc_usage): New function.
8400         (mduc_regs): New structure to hold MDUC register data.
8401         * config/rl78/rl78.md (is_g13_muldiv_insn): New attribute.
8402         (mulsi3_g13): Add is_g13_muldiv_insn attribute.
8403         (udivmodsi4_g13): Add is_g13_muldiv_insn attribute.
8404         (mulhi3_g13): Add is_g13_muldiv_insn attribute.
8405         * config/rl78/rl78.opt (msave-mduc-in-interrupts): New option.
8406         * doc/invoke.texi (RL78 Options): Add -msave-mduc-in-interrupts.
8407
8408 2016-05-09  Bin Cheng  <bin.cheng@arm.com>
8409
8410         * tree-if-conv.c (tree-ssa-loop.h): Include header file.
8411         (tree-ssa-loop-niter.h): Ditto.
8412         (idx_within_array_bound, ref_within_array_bound): New functions.
8413         (ifcvt_memrefs_wont_trap): Check if array ref is within bound.
8414         Factor out check on writable base object to ...
8415         (base_object_writable): ... here.
8416
8417 2016-05-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8418
8419         * config/arm/arm.md (probe_stack): Add modes to set source
8420         and destination.
8421
8422 2016-05-09  Bernd Schmidt  <bschmidt@redhat.com>
8423
8424         * regrename.c (base_reg_class_for_rename): New static function.
8425         (scan_rtx_address, scan_rtx): Use it instead of base_reg_class.
8426
8427 2016-05-08  Jan Hubicka  <hubicka@ucw.cz>
8428
8429         * cgraph.c (thunk_adjust): Export.
8430         * cgraphclones.c (cgraph_node::create_clone): Clone thunk info.
8431         * cgraphunit.c (thunk_adjust): Export.
8432         (cgraph_node::assemble_thunks_and_aliases): Do not assemble inlined
8433         thunks.
8434         * ipa-inline-analyssi.c (compute_inline_parameters): Thunks are
8435         inlinable.
8436         * tree-inline.c (expand_call_inline): Expand thunks inline.
8437
8438 2016-05-08  Uros Bizjak  <ubizjak@gmail.com>
8439
8440         PR target/70998
8441         * config/i386/sse.md (*sse2_vd_cvtsd2ss): New insn pattern.
8442         (*sse2_vd_cvtss2sd): Ditto.
8443         * config/i386/i386.md
8444         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_truncate df->sf splitter):
8445         Generate *sse2_vd_cvtsd2ss pattern.
8446         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_extend sf->df splitter):
8447         Generate *sse2_vd_cvtss2sd pattern.
8448
8449 2016-05-08  Oleg Endo  <olegendo@gcc.gnu.org>
8450
8451         * config/sh/sh.h (GET_SH_ARG_CLASS): Convert macro into ...
8452         * config/sh/sh.c (get_sh_arg_class): ... this new function.  Update its
8453         users.
8454
8455 2016-05-08  Oleg Endo  <olegendo@gcc.gnu.org>
8456
8457         * config/sh/sh-protos.h (sh_media_register_for_return): Remove.
8458         * config/sh/sh.c: Define and declare variables on first use throughout
8459         the file.
8460         (current_function_interrupt): Change to bool type.
8461         (frame_insn): Rename to emit_frame_insn and update users.
8462         (push_regs): Use bool for 'interrupt_handler' argument.
8463         (save_schedule_s): Remove.
8464         (TARGET_ASM_UNALIGNED_DI_OP, TARGET_ASM_ALIGNED_DI_OP): Remove.
8465         (sh_option_override): Don't nullify targetm.asm_out.aligned_op.di and
8466         targetm.asm_out.unaligned_op.di.
8467         (gen_far_branch): Remove redundant forward declaration.
8468         (sh_media_register_for_return, MAX_SAVED_REGS, save_entry_s, save_entry,
8469         MAX_TEMPS, save_schedule_ssave_schedule): Remove.
8470         (sh_set_return_address, sh_function_ok_for_sibcall,
8471         scavenge_reg): Update comments.
8472         (sh_builtin_saveregs): Use TRAGET_FPU_ANY condition.
8473         (sh2a_get_function_vector_number, sh2a_function_vector_p): Use for loop.
8474         (sh_attr_renesas_p): Remove unnecessary parentheses.
8475         (branch_dest): Simplify.
8476         * config/sh/sh.h (sh_args): Remove byref, byref_regs, stack_regs fields.
8477         Change force_mem, prototype_p, outgoing, renesas_abi fields to bool.
8478         (CUMULATIVE_ARGS): Change macro to typedef.
8479         (current_function_interrupt): Change to bool type.
8480         (sh_arg_class, sh_args, CUMULATIVE_ARGS, current_function_interrupt):
8481         Surround with __cplusplus ifdef.
8482         (sh_compare_op0, sh_compare_op1): Remove.
8483         (EPILOGUE_USES): Use TARGET_FPU_ANY condition.
8484
8485 2016-05-07  Jim Wilson  <jim.wilson@linaro.org>
8486
8487         * config/arm/arm.md: (arch): Add neon.
8488         (arch_enabled): Return yes for arch neon when TARGET_NEON.
8489         * config/arm/vfp.md (movdf_vfp): Add w/G as alternative 3.  Add
8490         neon_move as type for alt 3.  Add arch attr enabling alt 3 for neon.
8491         Emit vmov.i64 for alt 3.  Renumber alternatives 3 to 8.  Adjust
8492         attributes for alt renumbering.  Mark alt 3 as non-predicable.
8493         (thumb2_movdf_vfp): Likewise.
8494
8495 2016-05-07  Uros Bizjak  <ubizjak@gmail.com>
8496
8497         * config/i386/i386.md (*addqi_1): Add preferred_for_speed attribute
8498         to disparage alternatives 3 and 4 for TARGET_PARTIAL_REG_STALL targets.
8499         (*andqi_1): Add preferred_for_speed attribute to disparage
8500         alternative 2 for TARGET_PARTIAL_REG_STALL targets.
8501         (*<code>qi_1): Ditto.
8502         (*one_cmplqi2_1): Add preferred_for_speed attribute to disparage
8503         alternative 1 for TARGET_PARTIAL_REG_STALL targets.
8504         (*ashlqi3_1): Ditto.
8505         (*swap<mode>): Merge from *swap<mode>_1 and *swap<mode>_2 patterns.
8506         Add preferred_for_size attribute to disparage alternative 0 and
8507         preferred_for_speed attribute to disparage alternative 1 for
8508         TARGET_PARTIAL_REG_STALL targets.
8509
8510 2016-05-07  Tom de Vries  <tom@codesourcery.com>
8511
8512         PR tree-optimization/70956
8513         * graphite-scop-detection.c (build_cross_bb_scalars_def): Handle NULL
8514         def.
8515
8516 2016-05-07  Oleg Endo  <olegendo@gcc.gnu.org>
8517
8518         * config/sh/sh-protos.h (sh_cbranch_distance): Declare new function.
8519         * config/sh/sh.c (sh_cbranch_distance): Implement it.
8520         * config/sh/sh.md (branch_zero): Remove define_attr.
8521         (define_delay): Disable delay slot if branch distance is one insn.
8522
8523 2016-05-06  Uros Bizjak  <ubizjak@gmail.com>
8524
8525         * config/i386/i386.md (LEAMODE): New mode attribute.
8526         (plus to LEA splitter): Rewrite splitter using LEAMODE mode attribute.
8527         (ashift to LEA splitter): Rewrte splitter using SWI mode iterator
8528         and LEAMODE mode attribute.  Use VOIDmode const_0_to_3_operand as
8529         operand 2 predicate.
8530         (*lea<mode>_general_2): Use VOIDmode for const248_operand.
8531         (*lea<mode>_general_3): Ditto.
8532         (*lea<mode>_general_4): Use VOIDmode for const_0_to_3_operand.
8533
8534 2016-05-06  Jakub Jelinek  <jakub@redhat.com>
8535
8536         * genmddump.c (main): Convert argv from char ** to const char **.
8537
8538 2016-05-06  David Malcolm  <dmalcolm@redhat.com>
8539
8540         * coretypes.h (OVERRIDE): New macro.
8541         (FINAL): New macro.
8542
8543 2016-05-06  Eric Botcazou  <ebotcazou@adacore.com>
8544
8545         * tree-ssa-coalesce.c (gimple_can_coalesce_p): In the optimized case,
8546         allow coalescing if the types are compatible.
8547
8548 2016-05-06  David Malcolm  <dmalcolm@redhat.com>
8549
8550         * pass_manager.h (pass_manager::register_pass_name): New method.
8551         (pass_manager::get_pass_by_name): New method.
8552         (pass_manager::create_pass_tab): New method.
8553         (pass_manager::m_name_to_pass_map): New field.
8554         * passes.c (name_to_pass_map): Delete global in favor of field
8555         "m_name_to_pass_map" of pass_manager.
8556         (register_pass_name): Rename from a function to...
8557         (pass_manager::register_pass_name): ...this method, updating
8558         for renaming of global "name_to_pass_map" to field
8559         "m_name_to_pass_map".
8560         (create_pass_tab): Rename from a function to...
8561         (pass_manager::create_pass_tab): ...this method, updating
8562         for renaming of global "name_to_pass_map" to field.
8563         (get_pass_by_name): Rename from a function to...
8564         (pass_manager::get_pass_by_name): ...this method.
8565         (enable_disable_pass): Convert use of get_pass_by_name to
8566         a method call, locating the pass_manager singleton.
8567
8568 2016-05-06  David Malcolm  <dmalcolm@redhat.com>
8569
8570         * genattr-common.c (main): Convert argv from char ** to const char **.
8571         * genattr.c (main): Likewise.
8572         * genattrtab.c (main): Likewise.
8573         * genautomata.c (initiate_automaton_gen): Likewise.
8574         (main): Likewise.
8575         * gencodes.c (main): Likewise.
8576         * genconditions.c (main): Likewise.
8577         * genconfig.c (main): Likewise.
8578         * genconstants.c (main): Likewise.
8579         * genemit.c (main): Likewise.
8580         * genenums.c (main): Likewise.
8581         * genextract.c (main): Likewise.
8582         * genflags.c (main): Likewise.
8583         * genmddeps.c (main): Likewise.
8584         * genopinit.c (main): Likewise.
8585         * genoutput.c (main): Likewise.
8586         * genpeep.c (main): Likewise.
8587         * genpreds.c (main): Likewise.
8588         * genrecog.c (main): Likewise.
8589         * gensupport.c (init_rtx_reader_args_cb): Likewise.
8590         (init_rtx_reader_args): Likewise.
8591         * gensupport.h (init_rtx_reader_args_cb): Likewise.
8592         (init_rtx_reader_args): Likewise.
8593         * gentarget-def.c (main): Likewise.
8594         * read-md.c (read_md_files): Likewise.
8595         * read-md.h (read_md_files): Likewise.
8596
8597 2016-05-06  Uros Bizjak  <ubizjak@gmail.com>
8598
8599         * config/i386/i386.md (int cmove peephole2s): Use general_reg_operand
8600         instead of register_and_not_any_fp_reg_operand as operand 0 predicate.
8601         * config/i386/predicates.md (register_and_not_any_fp_reg_operand):
8602         Remove unused predicate.
8603         (register_and_not_fp_reg_operand): Ditto.
8604
8605 2016-05-06  Martin Liska  <mliska@suse.cz>
8606
8607         * tree-if-conv.c (ifcvt_split_critical_edges): Use auto_vec
8608         instead of vec as the vector is local to the function.
8609
8610 2016-05-06  Jakub Jelinek  <jakub@redhat.com>
8611
8612         * config/i386/sse.md (*<code>v8hi3, *<code>v16qi3): Add
8613         avx512bw alternative.
8614
8615         * config/i386/sse.md (<mask_codefor>ashr<mode>3<mask_name>): Move
8616         before the ashr<mode>3 pattern.
8617
8618         * config/i386/sse.md (*avx2_pmaddwd, *sse2_pmaddwd): Use
8619         v instead of x in vex or maybe_vex alternatives, use
8620         maybe_evex instead of vex in prefix.
8621
8622         * config/i386/sse.md (*vec_extractv4sf_0, *sse4_1_extractps,
8623         *vec_extractv4sf_mem, vec_extract_lo_v16hi, vec_extract_hi_v16hi,
8624         vec_extract_lo_v32qi, vec_extract_hi_v32qi): Use v instead of x
8625         in vex or maybe_vex alternatives, use maybe_evex instead of vex
8626         in prefix.
8627
8628         * config/i386/sse.md (*vec_concatv2sf_sse4_1, *vec_concatv4sf): Use
8629         v instead of x in vex or maybe_vex alternatives, use
8630         maybe_evex instead of vex in prefix.
8631
8632         * config/i386/sse.md (sse_shufps_<mode>, sse_storehps, sse_loadhps,
8633         sse_storelps, sse_movss, avx2_vec_dup<mode>, avx2_vec_dupv8sf_1,
8634         sse2_shufpd_<mode>, sse2_storehpd, sse2_storelpd, sse2_loadhpd,
8635         sse2_loadlpd, sse2_movsd): Use v instead of x in vex or maybe_vex
8636         alternatives, use maybe_evex instead of vex in prefix.
8637
8638         * config/i386/sse.md (vec_interleave_lowv4sf,
8639         *vec_interleave_highv2df, *vec_interleave_lowv2df): Use
8640         v instead of x in vex or maybe_vex alternatives, use
8641         maybe_evex instead of vex in prefix.
8642
8643         * config/i386/sse.md (sse_movhlps, sse_movlhps): Use
8644         v instead of x in vex or maybe_vex alternatives, use
8645         maybe_evex instead of vex in prefix.
8646
8647         * config/i386/sse.md (*avx_cvtpd2dq256_2, *avx_cvtps2pd256_2): Use
8648         v constraint instead of x.
8649
8650 2016-05-06  Nathan Sidwell  <nathan@codesourcery.com>
8651
8652         * gimple.c (gimple_call_same_target_p): Unique functions are eq.
8653         * tree-ssa-tail-merge.c (same_succ::equal): Check pointer eq
8654         equality first.
8655
8656 2016-05-06  Richard Biener  <rguenther@suse.de>
8657
8658         PR tree-optimization/70948
8659         * tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
8660         Properly clobber all fields of va_list for __builtin_va_start.
8661
8662 2016-05-06  Yuri Rumyantsev  <ysrumyan@gmail.com>
8663
8664         PR debug/70935
8665         * tree-ssa-loop-unswitch.c (find_loop_guard): Reject guard edge with
8666         loop latch destination.
8667
8668 2016-05-06  Martin Liska  <mliska@suse.cz>
8669
8670         * tree-ssa-uninit.c: Apply manual changes
8671         to the GNU coding style.
8672         (prune_uninit_phi_opnds): Rename from
8673         prune_uninit_phi_opnds_in_unrealizable_paths.
8674
8675 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
8676
8677         * config/sh/sh.opt (madjust-unroll, minvalid-symbols, msoft-atomic,
8678         mspace): Remove deprecated options.
8679         * doc/invoke.texi (SH options): Remove -mspace.
8680
8681 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
8682
8683         * config/sh/sh.md (ic_invalidate_line_sh4a): Fix insn length.
8684
8685 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
8686
8687         * config/sh/sh.md (*cmpeqsi_t): Remove combine insn pattern and similar
8688         corresponding combine split pattern.
8689
8690 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
8691
8692         PR target/58219
8693         * config/sh/predicates.md (long_displacement_mem_operand): New.
8694         * config/sh/sh.md (movsi_i): Allow for SH2A, disallow for any FPU.
8695         Add movi20, movi20s alternatives.  Adjust length attribute for
8696         alternatives.
8697         (movsi_ie): Allow for any FPU.  Adjust length attribute for
8698         alternatives.
8699         (movsi_i_lowpart): Add movi20, movi20s alternatives.  Adjust length
8700         attribute for alternatives.
8701         (*mov<mode>): Use long_displacement_mem_operand for length attribute.
8702         (*movdi_i, movdf_k, movdf_i4, movsf_i, movsf_ie, movsf_ie_ra): Adjust
8703         length attribute for alternatives.
8704
8705 2016-05-06  Richard Biener  <rguenther@suse.de>
8706
8707         PR tree-optimization/70960
8708         * tree-if-conv.c (ifcvt_walk_pattern_tree): Handle non-SSA ops.
8709
8710 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
8711
8712         PR target/52933
8713         * config/sh/sh.md (*cmp_div0s_7, *cmp_div0s_8): Add div0s variants.
8714         * config/sh/sh.c (sh_rtx_costs): Add another div0s case.
8715
8716 2016-05-06  Marek Polacek  <polacek@redhat.com>
8717
8718         PR sanitizer/70875
8719         * ubsan.c (get_ubsan_type_info_for_type): Remove assert.
8720
8721 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
8722
8723         PR target/54089
8724         * config/sh/sh.md (*rotcr): Add another variant.
8725
8726 2016-05-06  Richard Biener  <rguenther@suse.de>
8727
8728         PR middle-end/70931
8729         * dwarf2out.c (native_encode_initializer): Skip zero-sized fields.
8730
8731 2016-05-06  Richard Biener  <rguenther@suse.de>
8732
8733         PR middle-end/70941
8734         * fold-const.c (split_tree): Always convert to the original type
8735         before negating.
8736
8737 2016-05-06  Richard Biener  <rguenther@suse.de>
8738
8739         * fwprop.c (fwprop): Remove duplicate cleanup_cfg call.
8740         (fwprop_addr): Likewise.
8741
8742 2016-05-06  Uros Bizjak  <ubizjak@gmail.com>
8743
8744         PR target/70873
8745         * config/i386/i386-protos.h (ix86_standard_x87sse_constant_load_p):
8746         New prototype.
8747         * config/i386/i386.c (ix86_standard_x87sse_constant_load_p): New.
8748         * config/i386/i386.md (push mem splitter): Use find_constant_src in
8749         the splitter condition.
8750         (FP load splitter): Use ix86_standard_x87sse_constant_load_p in
8751         the splitter condition.
8752         (FP float_extend load splitter): Ditto.
8753
8754 2016-05-05  Uros Bizjak  <ubizjak@gmail.com>
8755
8756         * config/i386/i386.md (peehole2 patterns): Change true_regnum
8757         to REGNO in all peephole2 patterns.
8758         (post-reload splitters): Change true_regnum to REGNO in
8759         post-reload splitters.
8760         (zero_extend splitters): Use general_reg_operand and
8761         nonimmediate_gr_operand predicates.
8762
8763 2016-05-05  Jakub Jelinek  <jakub@redhat.com>
8764
8765         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>): Use
8766         v constraint instead of x.
8767
8768 2016-05-05  Alan Modra  <amodra@gmail.com>
8769
8770         PR target/68662
8771         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Don't
8772         set OPTION_MASK_RELOCATABLE when flag_pic == 2.  Set
8773         TARGET_NO_FP_IN_TOC for -mrelocatable.
8774         (MINIMAL_TOC_SECTION_ASM_OP): Remove redundant
8775         TARGET_RELOCATABLE test.
8776         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
8777         (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
8778         * config/rs6000/linux64.h (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
8779         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
8780         (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
8781         * config/rs6000/freebsd64.h (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
8782         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
8783         (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
8784         * config/rs6000/predicates.md (easy_fp_constant): Likewise.
8785         * config/rs6000/rs6000.c (rs6000_elf_output_toc_section_asm_op):
8786         Likewise.
8787         (rs6000_assemble_integer): Update TARGET_RELOCATABLE test.
8788         (rs6000_stack_info): Likewise.
8789         (rs6000_elf_asm_out_constructor): Likewise.
8790         (rs6000_elf_asm_out_destructor): Likewise.
8791         (rs6000_elf_declare_function_name): Likewise.
8792         * config/rs6000/rs6000.md (load_toc_aix_di): Likewise.
8793         * config/rs6000/rs6000.h (MASK_RELOCATABLE, MASK_MINIMAL_TOC):
8794         Don't define.
8795
8796 2016-05-05  Alan Modra  <amodra@gmail.com>
8797
8798         * config/rs6000/rs6000.c (rs6000_frame_related): Rewrite.
8799
8800 2016-05-05  Alan Modra  <amodra@gmail.com>
8801
8802         * config/rs6000/rs6000.c (rs6000_savres_strategy): Don't use
8803         out-of-line gpr restore for one or two regs if that would add
8804         a save of lr.
8805
8806 2016-05-04  Uros Bizjak  <ubizjak@gmail.com>
8807
8808         PR target/70873
8809         * config/i386/i386.md
8810         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_extend sf->df peephole2):
8811         Change to post-epilogue_completed late splitter.  Use sse_reg_operand
8812         as operand 0 predicate.
8813         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_truncate df->sf peephole2):
8814         Ditto.
8815         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float {si,di}->{sf,df} peephole2):
8816         Ditto.  Emit the pattern using RTX.
8817
8818         (TARGET_USE_VECTOR_FP_CONVERTS float_extend sf->df splitter):
8819         Use sse_reg_opreand as operand 0 predicate.  Do not use true_regnum in
8820         the post-reload splitter.  Use lowpart_subreg instead of gen_rtx_REG.
8821         (TARGET_USE_VECTOR_FP_CONVERTS float_truncate df->sf splitter):
8822         Ditto.
8823         (TARGET_USE_VECTOR_CONVERTS float si->{sf,df} splitter): Use
8824         sse_reg_operand as operand 0 predicate.
8825
8826         (TARGET_SPLIT_MEM_OPND_FOR_FP_CONVERTS float_extend sf->df peephole2):
8827         Use sse_reg_opreand as operand 0 predicate.  Use lowpart_subreg
8828         instead of gen_rtx_REG.
8829         (TARGET_SPLIT_MEM_OPND_FOR_FP_CONVERTS float_truncate sf->df peephole2):
8830         Ditto.
8831
8832 2016-05-04  Segher Boessenkool  <segher@kernel.crashing.org>
8833
8834         * function.c (emit_use_return_register_into_block): Delete.
8835         (gen_return_pattern): Delete.
8836         (emit_return_into_block): Delete.
8837         (active_insn_between): Delete.
8838         (convert_jumps_to_returns): Delete.
8839         (emit_return_for_exit): Delete.
8840         (thread_prologue_and_epilogue_insns): Delete all code dealing with
8841         simple_return for shrink-wrapped blocks.
8842         * shrink-wrap.c (try_shrink_wrapping): Insert simple_return at the
8843         end of blocks that need one.
8844         (get_unconverted_simple_return): Delete.
8845         (convert_to_simple_return): Delete.
8846         * shrink-wrap.c (get_unconverted_simple_return): Delete declaration.
8847         (convert_to_simple_return): Ditto.
8848
8849 2016-05-04  Segher Boessenkool  <segher@kernel.crashing.org>
8850
8851         * cfgcleanup.c (bb_is_just_return): New function.
8852         (try_optimize_cfg): Simplify jumps to return, branches to return,
8853         and branches around return.
8854
8855 2016-05-04  Segher Boessenkool  <segher@kernel.crashing.org>
8856
8857         * cfgcleanup.c (try_simplify_condjump): Don't try to simplify a
8858         branch to a return.
8859
8860 2016-05-04  Jakub Jelinek  <jakub@redhat.com>
8861
8862         PR c++/70906
8863         PR c++/70933
8864         * tree-core.h (enum operand_equal_flag): Add OEP_HASH_CHECK.
8865         * tree.c (inchash::add_expr): If !IS_EXPR_CODE_CLASS (tclass),
8866         assert flags & OEP_HASH_CHECK, instead of asserting it
8867         never happens.  Handle TARGET_EXPR.
8868         * fold-const.c (operand_equal_p): For hash verification,
8869         or in OEP_HASH_CHECK into flags.
8870
8871 2016-05-04  Eric Botcazou  <ebotcazou@adacore.com>
8872
8873         * tree-ssa-coalesce.c (gimple_can_coalesce_p): Fix reference in head
8874         comment.
8875         (compute_samebase_partition_bases): Fix typo.
8876
8877 2016-05-04  Jakub Jelinek  <jakub@redhat.com>
8878
8879         * config/i386/sse.md (vec_interleave_highv8sf,
8880         vec_interleave_lowv8sf, vec_interleave_highv4df,
8881         vec_interleave_lowv4df): Remove constraints from expanders.
8882
8883         * config/i386/sse.md (sse2_movq128): Use v constraint instead of x.
8884
8885 2016-05-04  Jan Hubicka  <hubicka@ucw.cz>
8886
8887         * tree-inline.c (expand_call_inline): Fix path dealing with
8888         making lhs of call statement undefined.
8889
8890 2016-05-04  Jan Hubicka  <hubicka@ucw.cz>
8891
8892         * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases):
8893         Check availability on NODE, too.
8894         * cgraph.h (symtab_node::call_for_symbol_and_aliases): Likewise.
8895         (cgraph_node::call_for_symbol_and_aliases): Likewise.
8896         (varpool_node::call_for_symbol_and_aliase): Likewise.
8897         * ipa-pure-const.c (add_new_function): Analyze all bodies.
8898         (propagate_pure_const): Propagate across interposable functions, too.
8899         (skip_function_for_local_pure_const): Do not skip interposable bodies
8900         with aliases.
8901         (pass_local_pure_const::execute): Update.
8902
8903 2016-05-04  Marek Polacek  <polacek@redhat.com>
8904
8905         * doc/invoke.texi: Document -Wdangling-else.
8906
8907 2016-05-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
8908
8909         * config.gcc: Error out when conflicting multilib is detected.  Do not
8910         loop over multilibs since no combination is legal.
8911
8912 2016-05-04  Alan Modra  <amodra@gmail.com>
8913
8914         * config/rs6000/rs6000.h (PIC_OFFSET_TABLE_REGNUM): Correct.
8915         * config/rs6000/sysv4.h (TARGET_TOC): Simplify.
8916         * config/rs6000/rs6000.c (rs6000_elf_output_toc_section_asm_op):
8917         Align .toc.
8918
8919 2016-05-04  Matthew Fortune  <matthew.fortune@imgtec.com>
8920
8921         * config/mips/mips-cpus.def (p5600): Avoid IMADD by default.
8922         Clean up p5600 comments.
8923
8924 2016-05-04  Richard Biener  <rguenther@suse.de>
8925
8926         * match.pd: Add BIT_FIELD_REF canonicalizations and vector
8927         constructor simplifications.
8928         * fold-const.c (fold_ternary_loc): Remove duplicate functionality here.
8929
8930 2016-05-04  Oleg Endo  <olegendo@gcc.gnu.org>
8931
8932         * config/sh/predicates (post_inc_mem, pre_dec_mem): New predicates.
8933         * config/sh/sh-protos.h (sh_find_set_of_reg): Return null result if
8934         result.set_rtx is null instead of aborting.
8935         * config/sh/sh.h (USE_LOAD_POST_INCREMENT, USE_STORE_PRE_DECREMENT):
8936         Always enable.
8937         (USE_LOAD_PRE_DECREMENT, USE_STORE_POST_INCREMENT): Enable for SH2A.
8938         * config/sh/sh.md (*extend<mode>si2_predec, *mov<mode>_load_predec,
8939         *mov<mode>_store_postinc): New patterns.
8940
8941 2016-05-04  Marc Glisse  <marc.glisse@inria.fr>
8942
8943         * match.pd ((A | B) & (A | C)): Generalize to BIT_XOR_EXPR.  Mark
8944         as commutative.  Check both conversions are NOP.
8945         ((A & B) OP (C & B)): Remove.
8946
8947 2016-05-04  Alan Modra  <amodra@gmail.com>
8948
8949         * combine.c (simplify_set): Correct WORD_REGISTER_OPERATIONS test.
8950
8951 2016-05-04  Alan Modra  <amodra@gmail.com>
8952
8953         PR target/70866
8954         * config/rs6000/rs6000.c (rs6000_stack_info): Don't set cr_save_p
8955         when cr2,3,4 are all fixed regs.
8956
8957 2016-05-04  Bernd Schmidt  <bschmidt@redhat.com>
8958
8959         PR rtl-optimization/57193
8960         * opts.c (default_options_table): Revert OPT_frename_registers change.
8961         * doc/invoke.texi (-frename-registers, -O2): Likewise.
8962
8963 2016-05-03  Martin Sebor  <msebor@redhat.com>
8964
8965         PR c++/66561
8966         * builtins.c (fold_builtin_FILE): New function.
8967         (fold_builtin_FUNCTION, fold_builtin_LINE): New functions.
8968         (fold_builtin_0): Call them.
8969         * gimplify.c (gimplify_call_expr): Remove the handling of
8970         BUILT_IN_FILE, BUILT_IN_FUNCTION, and BUILT_IN_LINE.
8971
8972         PR c++/66561
8973         * doc/extend.texi (Other Builtins): Update __builtin_FILE,
8974         __builtin_FUNCTION, and __builtin_LINE to reflect they yield
8975         constants.
8976
8977         PR c++/66639
8978         * doc/extend.texi (Function Names as Strings): Update __func__,
8979         __FUNCTION__, __PRETTY_FUNCTION__ to reflect they evaluate to
8980         constants.
8981
8982 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
8983             Richard Biener  <rguenther@suse.de>
8984
8985         PR tree-optimization/70916
8986         * tree-if-conv.c: Include cfganal.h.
8987         (pass_if_conversion::execute): Call connect_infinite_loops_to_exit
8988         and remove_fake_exit_edges around the optimization pass.
8989
8990 2016-05-03  Jan Hubicka  <hubicka@ucw.cz>
8991
8992         * cgraph.c (symbol_table::create_edge): Set inline_failed.
8993         (cgraph_edge::make_direct): Likewise.
8994         (cgraph_edge::dump_edge_flags): Dump call_stmt_cannot_inline_p.
8995         * cgraphclones.c (duplicate_thunk_for_node): Set inline_failed.
8996         * cif-code.def (CIF_LTO_MISMATCHED_DECLARATIONS): New code
8997         (CIF_THUNK): New code.
8998         * ipa-inline-analysis.c (initialize_inline_failed): Preserve
8999         CIF_FINAL_ERROR codes; do not deal with call_stmt_cannot_inline_p.
9000         (compute_inline_parameters): Set inline_failed for thunks.
9001         (inline_analyze_function): Cleanup.
9002         * ipa-inline.c (can_inline_edge_p): Do not deal with
9003         call_stmt_cannot_inline_p.
9004         (can_early_inline_edge_p): Likewise.
9005         (early_inliner): Initialize inline_failed.
9006         * lto-cgraph.c (lto_output_edge): Sanity check inline_failed.
9007
9008 2016-05-03  Uros Bizjak  <ubizjak@gmail.com>
9009
9010         * config/i386/predicates.md (x87nonimm_ssenomem_operand): Rename
9011         from nonimm_ssenomem_operand.
9012         (nonimm_ssenomem_operand): New predicate.
9013         * config/i386/i386.md (extendsfdf2): Use nonimm_ssenomem_operand
9014         as operand 0 predicate.
9015         (*extendsfdf2): Merge from *extendsfdf2_mixed and *extendsfdf2_i387.
9016         Disable unsupported alternatives using "enabled" attribute.
9017         Use register_ssemem_operand as operand 0 predicate.
9018         (*fop_<mode>_1): Use x87nonimm_ssenomem_operand as operand 1 predicate.
9019
9020 2016-05-03  Marek Polacek  <polacek@redhat.com>
9021
9022         PR c/70859
9023         * input.c (expansion_point_location): New function.
9024         * input.h (expansion_point_location): Declare.
9025
9026 2016-05-03  Pierre-Marie de Rodat  <derodat@adacore.com>
9027
9028         * dwarf2out.c (resolve_args_picking_1): Replace the frame_offset
9029         occurence with frame_offset_ ones.
9030
9031 2016-05-03  Alan Modra  <amodra@gmail.com>
9032
9033         PR rtl-optimization/70890
9034         * ira.c (combine_and_move_insns): When moving def_insn, remove
9035         equivs on use_insn.
9036
9037 2016-05-03  Dominik Vogt  <vogt@linux.vnet.ibm.com>
9038
9039         * config/s390/s390.md ("*r<noxa>sbg_<mode>_sll")
9040         ("*r<noxa>sbg_<mode>_srl"): New define_insns.
9041         ("*r<noxa>sbg_<mode>_srl_bitmask"): Rename by adding "_bitmask".
9042         ("*r<noxa>sbg_<mode>_sll_bitmask"): Likewise.
9043
9044 2016-05-03  Alan Modra  <amodra@gmail.com>
9045
9046         * config/rs6000/rs6000.c (rs6000_savres_strategy): Correct condition
9047         for SAVE_MULTIPLE/STORE_MULTIPLE.
9048
9049 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
9050
9051         * config/i386/i386.md (*truncdfsf_mixed, *truncdfsf_i387,
9052         *truncxfsf2_mixed, *truncxfdf2_mixed): Use v constraint instead of x.
9053
9054 2016-05-03  Richard Biener  <rguenther@suse.de>
9055
9056         * gimplify.h (get_initialized_tmp_var): Add allow_ssa parameter
9057         default true.
9058         (gimplify_arg): Likewise.
9059         * gimplify.c (gimplify_expr): Add overload with allow_ssa parameter,
9060         re-writing the result to a decl if required.
9061         (internal_get_tmp_var): Add allow_ssa parameter
9062         and override into_ssa with it.
9063         (get_formal_tmp_var): Adjust.
9064         (get_initialized_tmp_var): Add allow_ssa parameter.
9065         (gimplify_arg): Add allow_ssa parameter and avoid generating
9066         SSA names for the result false.
9067         (gimplify_call_expr): If the call may return twice do not
9068         gimplify parameters into SSA.
9069         (prepare_gimple_addressable): Do not allow an SSA name as temporary.
9070         (gimplify_modify_expr): Adjust assert.  For noreturn calls
9071         with a SSA name LHS adjust its def.
9072         (gimplify_save_expr): Do not allow an SSA name as save-expr result.
9073         (gimplify_one_sizepos): Do not allow an SSA name as a sizepos.
9074         (gimplify_body): Init GIMPLE SSA data structures and gimplify into-SSA.
9075         (gimplify_scan_omp_clauses): Make sure OMP_CLAUSE_SIZE is not
9076         an SSA name.  Likewise for OMP_CLAUSE_REDUCTION operands.
9077         (gimplify_omp_for): Likewise for OMP_CLAUSE_DECL.  Likewise
9078         for OMP_FOR_COND,  OMP_FOR_INCR and OMP_CLAUSE_LINEAR_STEP.
9079         (optimize_target_teams): Do not allow SSA names for clause operands.
9080         (gimplify_expr): Likewise for where we mark the result addressable.
9081         * passes.def (pass_init_datastructures): Remove.
9082         * tree-into-ssa.c (mark_def_sites): Ignore existing SSA names.
9083         (rewrite_stmt): Likewise.
9084         * tree-inline.c (initialize_cfun): Properly transfer SSA state.
9085         (replace_locals_op): Replace SSA names.
9086         (copy_gimple_seq_and_replace_locals): Init src_cfun.
9087         * gimple-low.c (lower_builtin_setjmp): Deal with SSA.
9088         * cgraph.c (release_function_body): Free CFG annotations only
9089         when we have a CFG.  Simplify.
9090         * gimple-fold.c (gimplify_and_update_call_from_tree): Use
9091         force_gimple_operand instead of get_initialized_tmp_var.
9092         * tree-pass.h (make_pass_init_datastructures): Remove.
9093         * tree-ssa.c (execute_init_datastructures): Remove.
9094         (pass_data_init_datastructures): Likewise.
9095         (class pass_init_datastructures): Likewise.
9096         (make_pass_init_datastructures): Likewise.
9097         * omp-low.c (create_omp_child_function): Init SSA data structures.
9098         (grid_expand_target_grid_body): Likewise.
9099         * tree-cfg.c (move_block_to_fn): Double-check the DEF is an SSA
9100         name before adding it to names_to_release.
9101         (remove_bb): Always release SSA defs.
9102         * tree-ssa-ccp.c (get_default_value): Check SSA_NAME_VAR
9103         before dereferencing it.
9104         * cgraphunit.c (init_lowered_empty_function): Always
9105         int SSA data structures.
9106         * tree-ssanames.c (release_defs): Remove assert that we are in
9107         SSA form.
9108         * trans-mem.c (diagnose_tm_1): Handle SSA name function.
9109
9110 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
9111             Uros Bizjak  <ubizjak@gmail.com>
9112
9113         PR rtl-optimization/70467
9114         * config/i386/predicates.md (x86_64_hilo_int_operand,
9115         x86_64_hilo_general_operand): New predicates.
9116         * config/i386/constraints.md (Wd): New constraint.
9117         * config/i386/i386.md (mode attr di): Use Wd instead of e.
9118         (general_hilo_operand): New mode attr.
9119         (add<mode>3, sub<mode>3): Use <general_hilo_operand>
9120         instead of <general_operand>.
9121         (*add<dwi>3_doubleword, *sub<dwi>3_doubleword): Use
9122         x86_64_hilo_general_operand instead of <general_operand>.
9123
9124 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
9125
9126         PR tree-optimization/70916
9127         * tree-if-conv.c (constant_or_ssa_name): Removed.
9128         (fold_build_cond_expr): Use is_gimple_val instead of
9129         constant_or_ssa_name.
9130
9131         PR tree-optimization/70916
9132         * tree-vect-patterns.c (vect_recog_mask_conversion_pattern): Give up
9133         if COND_EXPR rhs1 is neither SSA_NAME nor COMPARISON_CLASS_P.
9134
9135         PR target/49244
9136         * tree-ssa-ccp.c: Include stor-layout.h and optabs-query.h.
9137         (optimize_atomic_bit_test_and): New function.
9138         (pass_fold_builtins::execute): Use it.
9139         * optabs.def (atomic_bit_test_and_set_optab,
9140         atomic_bit_test_and_complement_optab,
9141         atomic_bit_test_and_reset_optab): New optabs.
9142         * internal-fn.def (ATOMIC_BIT_TEST_AND_SET,
9143         ATOMIC_BIT_TEST_AND_COMPLEMENT, ATOMIC_BIT_TEST_AND_RESET): New ifns.
9144         * builtins.h (expand_ifn_atomic_bit_test_and): New prototype.
9145         * builtins.c (expand_ifn_atomic_bit_test_and): New function.
9146         * internal-fn.c (expand_ATOMIC_BIT_TEST_AND_SET,
9147         expand_ATOMIC_BIT_TEST_AND_COMPLEMENT,
9148         expand_ATOMIC_BIT_TEST_AND_RESET): New functions.
9149         * doc/md.texi (atomic_bit_test_and_set@var{mode},
9150         atomic_bit_test_and_complement@var{mode},
9151         atomic_bit_test_and_reset@var{mode}): Document.
9152         * config/i386/sync.md (atomic_bit_test_and_set<mode>,
9153         atomic_bit_test_and_complement<mode>,
9154         atomic_bit_test_and_reset<mode>): New expanders.
9155         (atomic_bit_test_and_set<mode>_1,
9156         atomic_bit_test_and_complement<mode>_1,
9157         atomic_bit_test_and_reset<mode>_1): New insns.
9158
9159 2016-05-03  Richard Sandiford  <richard.sandiford@arm.com>
9160
9161         PR rtl-optimization/70687
9162         * combine.c (change_zero_ext): Check for scalar modes.  Use wide_int
9163         instead of unsigned HOST_WIDE_INT.
9164
9165 2016-05-03  Bernd Schmidt  <bschmidt@redhat.com>
9166
9167         PR rtl-optimization/44281
9168         * hard-reg-set.h (struct target_hard_regs): New field
9169         x_fixed_nonglobal_reg_set.
9170         (fixed_nonglobal_reg_set): New macro.
9171         * reginfo.c (init_reg_sets_1): Initialize it.
9172         * ira.c (setup_alloc_regs): Use fixed_nonglobal_reg_set instead
9173         of fixed_reg_set.
9174         * df-scan.c (df_insn_refs_collect): Asms may reference global regs.
9175
9176 2016-05-03  Bin Cheng  <bin.cheng@arm.com>
9177
9178         PR tree-optimization/56541
9179         * doc/invoke.texi (@item max-tree-if-conversion-phi-args): New item.
9180         * params.def (PARAM_MAX_TREE_IF_CONVERSION_PHI_ARGS): new param.
9181         * tree-if-conv.c (MAX_PHI_ARG_NUM): new macro.
9182         (any_complicated_phi): new static variable.
9183         (aggressive_if_conv): delete.
9184         (if_convertible_phi_p): support phis with more than two arguments.
9185         (if_convertible_bb_p): remvoe check on aggressive_if_conv and
9186         critical pred edges.
9187         (ifcvt_split_critical_edges): support phis with more than two
9188         arguments by checking new parameter.  only split critical edges
9189         if needed.
9190         (tree_if_conversion): handle simd pragma marked loop using new
9191         local variable aggressive_if_conv.  check any_complicated_phi.
9192
9193 2016-05-03  Bin Cheng  <bin.cheng@arm.com>
9194
9195         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Check depends_on
9196         before using it.
9197
9198 2016-05-03  Bin Cheng  <bin.cheng@arm.com>
9199
9200         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Don't clobber
9201         cbase.
9202
9203 2016-05-03  Oleg Endo  <olegendo@gcc.gnu.org>
9204
9205         * config/sh/sh.md (udivsi3, divsi3, mulsi3): Simplify.
9206         (mulhisi3, umulhisi3, (smulsi3_highpart, umulsi3_highpart): Convert to
9207         define_insn_and_split.
9208         (mulsi3_i): New define_insn_and_split.
9209         (mulsi3_call): Convert to define_insn.
9210         (mulsidi3, mulsidi3_compact, umulsidi3, umulsidi3_compact):
9211         Remove constraints.
9212
9213 2016-05-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
9214
9215         * machmode.h (mode_complex): Add support to give the complex mode
9216         for a given mode.
9217         (GET_MODE_COMPLEX_MODE): Likewise.
9218         * stor-layout.c (layout_type): For COMPLEX_TYPE, use the mode
9219         stored by build_complex_type and gfc_build_complex_type instead of
9220         trying to figure out the appropriate mode based on the size. Raise
9221         an assertion error, if the type was not set.
9222         * genmodes.c (struct mode_data): Add field for the complex type of
9223         the given type.
9224         (blank_mode): Likewise.
9225         (make_complex_modes): Remember the complex mode created in the
9226         base type.
9227         (emit_mode_complex): Write out the mode_complex array to map a
9228         type mode to the complex version.
9229         (emit_insn_modes_c): Likewise.
9230         * tree.c (build_complex_type): Set the complex type to use before
9231         calling layout_type.
9232         * config/rs6000/rs6000.c (rs6000_hard_regno_nregs_internal): Add
9233         support for __float128 complex datatypes.
9234         (rs6000_hard_regno_mode_ok): Likewise.
9235         (rs6000_setup_reg_addr_masks): Likewise.
9236         (rs6000_complex_function_value): Likewise.
9237         * config/rs6000/rs6000.h (FLOAT128_IEEE_P): Likewise.
9238         __float128 and __ibm128 complex.
9239         (FLOAT128_IBM_P): Likewise.
9240         (ALTIVEC_ARG_MAX_RETURN): Likewise.
9241         * doc/extend.texi (Additional Floating Types): Document that
9242         -mfloat128 must be used to enable __float128.  Document complex
9243         __float128 and __ibm128 support.
9244
9245 2016-05-02  Jakub Jelinek  <jakub@redhat.com>
9246
9247         PR target/49244
9248         * gimple.c (gimple_builtin_call_types_compatible_p): Allow
9249         char/short arguments promoted to int because of promote_prototypes.
9250
9251 2016-05-02  Uros Bizjak  <ubizjak@gmail.com>
9252
9253         * config/i386/predicates.md (register_ssemem_operand): New predicate.
9254         * config/i386/i386.md (*cmpi<FPCMP:unord><MODEF:mode>): Merge from
9255         *cmpi<FPCMP:unord><MODEF:mode>_mixed and
9256         *cmpi<FPCMP:unord><X87MODEF:mode>_i387.  Disable unsupported
9257         alternatives using "enabled" attribute.  Use register_ssemem_operand
9258         as operand 1 predicate.
9259         (*cmpi<unord>xf_i387): Split XFmode pattern from
9260         *cmpi<FPCMP:unord><X87MODEF:mode>_i387.
9261         (*absneg<mode>2): Merge from *absneg<mode>2_mixed and
9262         *absneg<mode>2_i387.  Disable unsupported alternatives using
9263         "enabled" attribute.
9264         (*absnegxf2_i387): Split XFmode pattern from *absneg<mode>2_i387.
9265
9266 2016-05-02  Nathan Sidwell  <nathan@codesourcery.com>
9267
9268         * omp-low.c (lower_oacc_head_tail): Assert there is at least one
9269         marker.
9270         (oacc_loop_process): Check mask for loop termination.
9271
9272 2016-05-02  Jan Hubicka  <hubicka@ucw.cz>
9273
9274         * cif-code.def (CIF_THUNK): Add.
9275         * ipa-inline-analsysis.c (evaluate_conditions_for_known_args): Revert
9276         accidental change.
9277
9278 2016-05-02  Jan Hubicka  <hubicka@ucw.cz>
9279
9280         * ipa-inline-analysis.c (reset_inline_summary): Clear fp_expressions
9281         (dump_inline_summary): Dump it.
9282         (fp_expression_p): New predicate.
9283         (estimate_function_body_sizes): Use it.
9284         (inline_merge_summary): Merge fp_expressions.
9285         (inline_read_section): Read fp_expressions.
9286         (inline_write_summary): Write fp_expressions.
9287         * ipa-inline.c (can_inline_edge_p): Permit inlining across fp math
9288         codegen boundary if either caller or callee is !fp_expressions.
9289         * ipa-inline.h (inline_summary): Add fp_expressions.
9290         * ipa-inline-transform.c (inline_call): When inlining !fp_expressions
9291         to fp_expressions be sure the fp generation flags are updated.
9292
9293 2016-05-02  Jakub Jelinek  <jakub@redhat.com>
9294
9295         PR rtl-optimization/70467
9296         * cse.c (cse_insn): Handle no-op MEM moves after folding.
9297
9298         PR rtl-optimization/70467
9299         * ipa-pure-const.c (check_call): Handle internal calls even in
9300         ipa mode like in local mode.
9301
9302 2016-05-02  Bernd Edlinger  <bernd.edlinger@hotmail.de>
9303
9304         * doc/install.texi: Document supported in-tree gmp/mpfr/mpc versions.
9305
9306 2016-05-02  Marc Glisse  <marc.glisse@inria.fr>
9307
9308         * match.pd (X u< X, X u> X): New transformations.
9309
9310 2016-05-02  Marc Glisse  <marc.glisse@inria.fr>
9311
9312         * flag-types.h (enum warn_strict_overflow_code): Move ...
9313         * coretypes.h: ... here.
9314         * fold-const.h (fold_overflow_warning): Declare.
9315         * fold-const.c (fold_overflow_warning): Make non-static.
9316         (fold_comparison): Move the transformation of X +- C1 CMP C2
9317         into X CMP C2 -+ C1 ...
9318         * match.pd: ... here.
9319         * gimple-fold.c (fold_stmt_1): Protect with
9320         fold_defer_overflow_warnings.
9321
9322 2016-05-02  Nathan Sidwell  <nathan@codesourcery.com>
9323
9324         * omp-low.c (struct oacc_loop): Add 'inner' field.
9325         (new_oacc_loop_raw): Initialize it to zero.
9326         (oacc_loop_fixed_partitions): Initialize it.
9327         (oacc_loop_auto_partitions): Partition outermost loop to outermost
9328         available partitioning.
9329
9330 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
9331
9332         * config/arc/arc.md (mulsidi3): Change operand 0 predicate to
9333         register_operand.
9334         (umulsidi3): Likewise.
9335         (indirect_jump): Fix jump instruction assembly patterns.
9336
9337 2016-05-02  Thomas Schwinge  <thomas@codesourcery.com>
9338
9339         PR target/70860
9340         * config/nvptx/nvptx.c (nvptx_libcall_value): Handle NULL cfun.
9341         (nvptx_function_value): Assert non-NULL cfun.
9342
9343 2016-05-02  Eric Botcazou  <ebotcazou@adacore.com>
9344
9345         PR rtl-optimization/70886
9346         * sched-deps.c (estimate_dep_weak): Canonicalize cselib values.
9347
9348         * cselib.h (rtx_equal_for_cselib_1): Declare.
9349         (rtx_equal_for_cselib_p: New inline function.
9350         * cselib.c (rtx_equal_for_cselib_p): Delete.
9351         (rtx_equal_for_cselib_1): Make public.
9352
9353 2016-05-02  Uros Bizjak  <ubizjak@gmail.com>
9354
9355         * config/i386/predicates.md (nonimm_ssenomem_operand): New predicate.
9356         (register_mixssei387nonimm_operand): Remove predicate.
9357         * config/i386/i386.md (*fop_<mode>_comm): Merge from
9358         *fop_<mode>_comm_mixed and *fop_<mode>_comm_i387.  Disable unsupported
9359         alternatives using "enabled" attribute.  Also check X87_ENABLE_ARITH
9360         for TARGET_MIX_SSE_I387 alternatives.
9361         (*fop_<mode>_1): Merge from *fop_<mode>_1_mixed and *fop_<mode>_1_i387.
9362         Disable unsupported alternatives using "enabled" attribute.  Use
9363         nonimm_ssenomem_operand as operand 1 predicate.  Also check
9364         X87_ENABLE_ARITH for TARGET_MIX_SSE_I387 alternatives.
9365
9366 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
9367
9368         * tree.c (cst_and_fits_in_hwi): Simplify.
9369
9370 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
9371
9372         * tree.h (wi::to_wide): New function.
9373         * expr.c (expand_expr_real_1): Use wi::to_wide.
9374         * fold-const.c (int_const_binop_1): Likewise.
9375         (extract_muldiv_1): Likewise.
9376
9377 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
9378
9379         * wide-int.h: Update offset_int and widest_int documentation.
9380         (WI_SIGNED_SHIFT_RESULT): New macro.
9381         (wi::binary_shift): Define signed_shift_result_type for
9382         shifts on offset_int- and widest_int-like types.
9383         (generic_wide_int): Support <<= and >>= if << and >> are supported.
9384         * tree.h (int_bit_position): Use shift operators instead of wi::
9385          shifts.
9386         * alias.c (adjust_offset_for_component_ref): Likewise.
9387         * expr.c (get_inner_reference): Likewise.
9388         * fold-const.c (fold_comparison): Likewise.
9389         * gimple-fold.c (fold_nonarray_ctor_reference): Likewise.
9390         * gimple-ssa-strength-reduction.c (restructure_reference): Likewise.
9391         * tree-dfa.c (get_ref_base_and_extent): Likewise.
9392         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Likewise.
9393         (stmt_kills_ref_p): Likewise.
9394         * tree-ssa-ccp.c (bit_value_binop_1): Likewise.
9395         * tree-ssa-math-opts.c (find_bswap_or_nop_load): Likewise.
9396         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
9397         (ao_ref_init_from_vn_reference): Likewise.
9398
9399 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
9400
9401         * wide-int.h: Update offset_int and widest_int documentation.
9402         (WI_SIGNED_BINARY_PREDICATE_RESULT): New macro.
9403         (wi::binary_traits): Allow ordered comparisons between offset_int and
9404         offset_int, between widest_int and widest_int, and between either
9405         of these types and basic C types.
9406         (operator <, <=, >, >=): Define for the same combinations.
9407         * tree.h (tree_int_cst_lt): Use comparison operators instead
9408         of wi:: comparisons.
9409         (tree_int_cst_le): Likewise.
9410         * gimple-fold.c (fold_array_ctor_reference): Likewise.
9411         (fold_nonarray_ctor_reference): Likewise.
9412         * gimple-ssa-strength-reduction.c (record_increment): Likewise.
9413         * tree-affine.c (aff_comb_cannot_overlap_p): Likewise.
9414         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Likewise.
9415         * tree-sra.c (completely_scalarize): Likewise.
9416         * tree-ssa-alias.c (stmt_kills_ref_p): Likewise.
9417         * tree-ssa-reassoc.c (extract_bit_test_mask): Likewise.
9418         * tree-vrp.c (extract_range_from_binary_expr_1): Likewise.
9419         (check_for_binary_op_overflow): Likewise.
9420         (search_for_addr_array): Likewise.
9421         * ubsan.c (ubsan_expand_objsize_ifn): Likewise.
9422
9423 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
9424
9425         * config/arc/arc.c (arc_preferred_simd_mode): Remove enum keyword.
9426         (arc_save_restore): Likewise.
9427         (arc_dwarf_register_span): Likewise.
9428         (arc_output_pic_addr_const): Initialize suffix variable.
9429
9430 2016-05-02  Martin Liska  <mliska@suse.cz>
9431
9432         * symbol-summary.h (function_summary::function_summary):
9433         Remove checking assert for all cgraph nodes.
9434         (function_summary::get): Check summary_uid.
9435         (symtab_insertion): Check summary_uid.
9436
9437 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
9438
9439         * config/arc/arc-protos.h (compact_memory_operand_p): Declare.
9440         * config/arc/arc.c (arc_output_commutative_cond_exec): Consider
9441         bmaskn instruction.
9442         (arc_dwarf_register_span): Remove enum keyword.
9443         (compact_memory_operand_p): New function.
9444         * config/arc/arc.h (reg_class): Add code density register classes.
9445         (REG_CLASS_NAMES): Likewise.
9446         (REG_CLASS_CONTENTS): Likewise.
9447         * config/arc/arc.md (*movqi_insn): Add code density instructions.
9448         (*movhi_insn, *movsi_insn, *movsf_insn): Likewise.
9449         (*extendhisi2_i, andsi3_i, cmpsi_cc_insn_mixed): Likewise.
9450         (*cmpsi_cc_c_insn, *movsi_ne): Likewise.
9451         * config/arc/constraints.md (C2p, Uts, Cm1, Cm3, Ucd): New
9452         constraints.
9453         (h, Rcd, Rsd, Rzd): New register constraints.
9454         (T): Use compact_memory_operand_p function.
9455         * config/arc/predicates.md (compact_load_memory_operand): Remove.
9456
9457 2016-05-02  Oleg Endo  <olegendo@gcc.gnu.org>
9458
9459         * config/sh/sh.md (*negnegt, *movtt): Remove.
9460
9461 2016-05-02  Marek Polacek  <polacek@redhat.com>
9462             Tom de Vries  <tom@codesourcery.com>
9463
9464         PR tree-optimization/70700
9465         * tree-ssa-structalias.c (dump_pred_graph): Fix getting varinfo for ids
9466         bigger than FIRST_REF_NODE.
9467
9468 2016-05-02  Oleg Endo  <olegendo@gcc.gnu.org>
9469
9470         PR target/52898
9471         * config/sh/sh.c (sh_option_override): Remove TARGET_CBRANCHDI4,
9472         TARGET_CMPEQDI_T.
9473         (prepare_cbranch_operands): Don't use scratch register.  Assume that
9474         function is used when pseudos can be created.
9475         (expand_cbranchdi4): Likewise.  Remove unused TARGET_CMPEQDI_T paths.
9476         * config/sh/sh.md (cbranchsi4): Allow only when pseudos can be created.
9477         (cbranchdi4, cbranchdi4_i): Simplify to single cbranchdi4
9478         define_expand.  Allow it only when pseudos can be created.
9479         * config/sh/sh.opt (mcbranchdi, mcmpeqdi): Delete.
9480
9481 2016-05-01  Uros Bizjak  <ubizjak@gmail.com>
9482
9483         * config/i386/constraints.md (BC): Only allow -1 operands.
9484         * config/i386/sse.md (mov<mode>_internal): Add (v,C) alternative.
9485         Add "enabled" attribute.  Update XI mode attribute calculation.
9486         * config/i386/i386.md (*movxi_internal_avx512f): Add (v,C) alternative.
9487         (*movoi_internal_avx): Update XI mode attribute calculation.
9488         (*movti_internal): Ditto.
9489
9490 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
9491
9492         * config/sh/sh.md (push, pop, ic_invalidate_line, cstoresi4, cstoredi4,
9493         cstoresf4, cstoredf4, fix_truncsfsi2): Remove constraints.
9494
9495 2016-05-01  Eric Botcazou  <ebotcazou@adacore.com>
9496
9497         * config/rs6000/rs6000.c (altivec_expand_lv_builtin): Do not use switch
9498         statement on instruction code.  Remove trailing spaces.
9499         (altivec_expand_stv_builtin): Likewise.
9500
9501 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
9502
9503         * config/sh/sh.h (TARGET_SH4): Remove and use default implementation.
9504         (TARGET_FPU_DOUBLE): Simplify.
9505         (BASE_ARG_REG, DOUBLE_TYPE_SIZE, OPTIMIZE_MODE_SWITCHING): Replace
9506         'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions with 'TARGET_FPU_DOUBLE'.
9507         * config/sh/sh.c: Replace 'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions
9508         with 'TARGET_FPU_DOUBLE'.
9509         * config/sh/sh.md: Likewise.
9510
9511 2016-05-01  Yoshinori Sato  <ysato@users.sourceforge.jp>
9512
9513         * config/sh/linux.h (SH_DIV_STRATEGY_DEFAULT,
9514         SH_DIV_STR_FOR_SIZE): Remove.
9515         * config/sh/netbsd-elf.h (SH_DIV_STRATEGY_DEFAULT,
9516         SH_DIV_STR_FOR_SIZE): Remove.
9517
9518 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
9519
9520         * config/sh/predicates.md (any_register_operand, zero_extend_operand,
9521         logical_reg_operand): Delete.
9522         (arith_operand, arith_reg_dest, arith_or_int_operand, cmpsi_operand,
9523         arith_reg_or_0_operand, arith_reg_or_0_or_1_operand, logical_operand,
9524         logical_and_operand, movsrc_no_disp_mem_operand): Rewrite using
9525         match_operand and match_test.
9526         (sh_const_vec, sh_1el_vec): Remove redundant checks.  Declare local
9527         variables on their first use.  Return bool values.
9528         * config/sh/sh.h (LOAD_EXTEND_OP): Update comment.
9529         * config/sh/sh.md (andsi3, iorsi3): Use arith_reg_dest for result and
9530         arith_reg_operand for input operand.  Remove empty constraints.
9531         (xorsi3): Delete.
9532         (*xorsi3_compact): Rename to xorsi3.
9533         (zero_extend<mode>si2): Use arith_reg_operand for input operand.
9534         (*zero_extend<mode>si2_disp_mem): Update comment.
9535         (mov_nop): Delete.
9536
9537 2016-04-30  Oleg Endo  <olegendo@gcc.gnu.org>
9538
9539         * config/sh/t-sh: Remove SH5 support.
9540         * config.gcc: Likewise.
9541         * configure: Likewise.
9542
9543 2016-04-30  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
9544
9545         * config/darwin.h (LINK_COMMAND_SPEC_A): Handle -fcilkplus.
9546
9547 2016-04-30  Oleg Endo  <olegendo@gcc.gnu.org>
9548
9549         * config/sh/sh.c (register_sh_passes, sh_option_override,
9550         sh_print_operand, prepare_move_operands,
9551         sh_can_follow_jump): Remove TARGET_SH1 checks.
9552         * config/sh/sh.h (TARGET_VARARGS_PRETEND_ARGS, VALID_REGISTER_P,
9553         PROMOTE_MODE): Likewise.
9554         * config/sh/sh.md (adddi3, addsi3, subdi3, subsi3, andsi3,
9555         movdi): Likewise.
9556
9557 2016-04-30  Alan Modra  <amodra@gmail.com>
9558
9559         * config/rs6000/rs6000.c (rs6000_savres_strategy): Force inline
9560         restoring when fixed_reg_p, but allow out-of-line or stmw save.
9561         Check for user regs later to avoid unnecessary looping over regs.
9562         Merge user reg check with non-saved reg check.  Don't force
9563         inline VR restore when static chain used.
9564         (rs6000_frame_related): Omit eh_frame info for user regs when
9565         saving.
9566         (fixed_regs_p): Delete.
9567
9568 2016-04-30  Alan Modra  <amodra@gmail.com>
9569
9570         * config/rs6000/rs6000.c (SAVRES_MULTIPLE): Replace with..
9571         (SAVE_STRATEGY, REST_STRATEGY): ..this.  Renumber and sort enum.
9572         Update all uses.
9573
9574 2016-04-30  Alan Modra  <amodra@gmail.com>
9575
9576         PR target/69645
9577         * config/rs6000/rs6000.c (fixed_reg_p): New function.
9578         (fixed_regs_p): Rename from global_regs_p.  Call fixed_reg_p.
9579         Update all uses.
9580
9581 2016-04-30  Alan Modra  <amodra@gmail.com>
9582
9583         * config/rs6000/rs6000.c (rs6000_conditional_register_usage):
9584         Remove redundant PIC_OFFSET_TABLE_REGNUM test.  Replace with
9585         flag_pic test for Darwin.
9586
9587 2016-04-30  Alan Modra  <amodra@gmail.com>
9588
9589         * regs.h (struct reg_info_t): Delete freq_calls_crossed and
9590         throw_calls_crossed.
9591         (REG_FREQ_CALLS_CROSSED): Delete.
9592         (REG_N_THROWING_CALLS_CROSSED): Delete.
9593         * regstat.c (regstat_bb_compute_ri): Don't calculate
9594         REG_FREQ_CALLS_CROSSED and REG_N_THROWING_CALLS_CROSSED.
9595         (dump_reg_info): Don't print call cross frequency.
9596         * ira.c (combine_and_move_insns): Don't set REG_FREQ_CALLS_CROSSED
9597         and REG_N_THROWING_CALLS_CROSSED.
9598
9599 2016-04-30  Alan Modra  <amodra@gmail.com>
9600
9601         * regs.h (struct reg_info_t): Delete live_length.
9602         (REG_LIVE_LENGTH): Delete macro.
9603         * regstat.c (regstat_bb_compute_ri): Delete artificial_uses,
9604         local_live, local_processed and local_live_last_luid params.
9605         Replace bb_index param with bb.  Don't set REG_LIVE_LENGTH.
9606         Formatting fixes.
9607         (regstat_compute_ri): Adjust for above.  Don't set
9608         REG_LIVE_LENGTH.
9609         (dump_reg_info): Don't print live length.
9610         * ira.c (update_equiv_regs): Replace test of REG_LIVE_LENGTH
9611         with test of setjmp_crosses.  Don't set REG_LIVE_LENGTH.
9612         Localize loop_depth var.
9613
9614 2016-04-30  Alan Modra  <amodra@gmail.com>
9615
9616         * ira.c (enum valid_equiv): New.
9617         (validate_equiv_mem): Return enum.
9618         (update_equiv_mem): Create replacement in more cases.
9619         (add_store_equivs): Update validate_equiv_mem call.
9620
9621 2016-04-30  Alan Modra  <amodra@gmail.com>
9622
9623         * ira.c (combine_and_move_insns): Rather than scanning insns,
9624         use DF infrastucture to find use and def insns.
9625
9626 2016-04-30  Alan Modra  <amodra@gmail.com>
9627
9628         ira.c (combine_and_move_insns): Move invariant conditions..
9629         (ira.c): ..to here.  Call combine_and_move_insns before
9630         add_store_equivs.  Call grow_reg_equivs later.  Allocate
9631         req_equiv later using max_reg_num() rather than global max_regno.
9632         (contains_replace_regs): Delete.
9633         (add_store_equivs): Remove contains_replace_regs test.
9634
9635 2016-04-30  Alan Modra  <amodra@gmail.com>
9636
9637         * ira.c (struct equiv_mem_data): New.
9638         (equiv_mem, equiv_mem_modified): Delete static vars.
9639         (validate_equiv_mem_from_store): Use "data" param to communicate..
9640         (validate_equiv_mem): ..from here.
9641
9642 2016-04-30  Alan Modra  <amodra@gmail.com>
9643
9644         * ira.c (add_store_equivs, combine_and_move_insns): New functions,
9645         split out from..
9646         (update_reg_equivs): ..here.  Move allocation and freeing of
9647         reg_equiv, and calls to grow_reg_equivs, init_alias_analysis,
9648         end_alias_analysis to..
9649         (ira): ..here.
9650
9651 2016-04-30  Alan Modra  <amodra@gmail.com>
9652
9653         * ira.c (pdx_subregs): Delete.
9654         (struct equivalence): Add pdx_subregs field.
9655         (set_paradoxical_subreg): Remove pdx_subregs param.  Update
9656         pdx_subregs access.
9657         (update_equiv_regs): Don't create or free pdx_subregs.  Update
9658         pdx_subregs access.
9659
9660 2016-04-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
9661
9662         * config/rs6000/altivec.h: Change definitions of vec_xl and
9663         vec_xst.
9664         * config/rs6000/rs6000-builtin.def (LD_ELEMREV_V2DF): New.
9665         (LD_ELEMREV_V2DI): New.
9666         (LD_ELEMREV_V4SF): New.
9667         (LD_ELEMREV_V4SI): New.
9668         (LD_ELEMREV_V8HI): New.
9669         (LD_ELEMREV_V16QI): New.
9670         (ST_ELEMREV_V2DF): New.
9671         (ST_ELEMREV_V2DI): New.
9672         (ST_ELEMREV_V4SF): New.
9673         (ST_ELEMREV_V4SI): New.
9674         (ST_ELEMREV_V8HI): New.
9675         (ST_ELEMREV_V16QI): New.
9676         (XL): New.
9677         (XST): New.
9678         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
9679         descriptions for VSX_BUILTIN_VEC_XL and VSX_BUILTIN_VEC_XST.
9680         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Map from
9681         TARGET_P9_VECTOR to RS6000_BTM_P9_VECTOR.
9682         (altivec_expand_builtin): Add handling for
9683         VSX_BUILTIN_ST_ELEMREV_<MODE> and VSX_BUILTIN_LD_ELEMREV_<MODE>.
9684         (rs6000_invalid_builtin): Add error-checking for
9685         RS6000_BTM_P9_VECTOR.
9686         (altivec_init_builtins): Define builtins used to implement vec_xl
9687         and vec_xst.
9688         (rs6000_builtin_mask_names): Define power9-vector.
9689         * config/rs6000/rs6000.h (MASK_P9_VECTOR): Define.
9690         (RS6000_BTM_P9_VECTOR): Define.
9691         (RS6000_BTM_COMMON): Include RS6000_BTM_P9_VECTOR.
9692         * config/rs6000/vsx.md (vsx_ld_elemrev_v2di): New define_insn.
9693         (vsx_ld_elemrev_v2df): Likewise.
9694         (vsx_ld_elemrev_v4sf): Likewise.
9695         (vsx_ld_elemrev_v4si): Likewise.
9696         (vsx_ld_elemrev_v8hi): Likewise.
9697         (vsx_ld_elemrev_v16qi): Likewise.
9698         (vsx_st_elemrev_v2df): Likewise.
9699         (vsx_st_elemrev_v2di): Likewise.
9700         (vsx_st_elemrev_v4sf): Likewise.
9701         (vsx_st_elemrev_v4si): Likewise.
9702         (vsx_st_elemrev_v8hi): Likewise.
9703         (vsx_st_elemrev_v16qi): Likewise.
9704         * doc/extend.texi: Add prototypes for vec_xl and vec_xst.  Correct
9705         grammar.
9706
9707 2016-04-29  Patrick Palka  <ppalka@gcc.gnu.org>
9708
9709         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Split
9710         out into ...
9711         (simplify_control_stmt_condition_1): ... here.  Recurse into
9712         BIT_AND_EXPRs and BIT_IOR_EXPRs.
9713
9714 2016-04-29  David Edelsohn  <dje.gcc@gmail.com>
9715
9716         PR target/69810
9717         * config/rs6000/rs6000.md (EXTQI): Don't allow extension to HImode.
9718         (zero_extendqi<mode>2_dot): Revert earlier conversion from
9719         define_insn_and_split to define_insn.
9720         (zero_extendqi<mode>2_dot2): Same.
9721         (extendqi<mode>2_dot): Same.
9722         (extendqi<mode>2_dot2): Same.
9723
9724 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
9725
9726         * config/i386/i386.md (unspec): Add UNSPEC_PROBE_STACK.
9727         (probe_stack): New expander.
9728         (probe_stack_<mode>): New insn pattern.
9729
9730 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
9731
9732         * config/i386/i386.md
9733         (operations with memory inputs setting flags peephole2):
9734         Remove uneeded REG_P checks.  Cleanup pattern generation.
9735
9736 2016-04-29  Ilya Enkovich  <ilya.enkovich@intel.com>
9737
9738         * tree-vect-loop.c (vect_transform_loop): Fix
9739         nb_iterations_upper_bound computation for vectorized loop.
9740
9741 2016-04-29  Marek Polacek  <polacek@redhat.com>
9742             Jakub Jelinek  <jakub@redhat.com>
9743
9744         PR sanitizer/70342
9745         * fold-const.c (tree_single_nonzero_warnv_p): For TARGET_EXPR, use
9746         TARGET_EXPR_SLOT as a base.
9747
9748 2016-04-29  Andrew Burgess  <andrew.burgess@embecosm.com>
9749
9750         * config/arc/arc.md (*loadqi_update): Replace use of 'rI' constraint
9751         with 'rCm2' constraints to limit possible immediate size.
9752         (*load_zeroextendqisi_update): Likewise.
9753         (*load_signextendqisi_update): Likewise.
9754         (*loadhi_update): Likewise.
9755         (*load_zeroextendhisi_update): Likewise.
9756         (*load_signextendhisi_update): Likewise.
9757         (*loadsi_update): Likewise.
9758         (*loadsf_update): Likewise.
9759
9760 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
9761
9762         * config/i386/predicates.md (constm1_operand): Fix comparison.
9763
9764 2016-04-29  Claudiu Zissulescu  <claziss@synopsys.com>
9765
9766         * testsuite/gcc.target/arc/ieee_eq.c: New test.
9767
9768 2016-04-29  Oleg Endo  <olegendo@gcc.gnu.org>
9769
9770         * common/config/sh/sh-common.c (sh_option_optimization_table): Remove
9771         remaining SH5 related settings.
9772         * config/sh/sh-protos.h (shmedia_cleanup_truncate,
9773         shmedia_prepare_call_address): Delete.
9774         * config/sh/sh.c (sh_print_operand, output_stack_adjust,
9775         DWARF_CIE_DATA_ALIGNMENT, LOCAL_ALIGNMENT): Update comments.
9776         * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC,
9777         UNSUPPORTED_SH2A): Remove m5 checks.
9778         (sh_divide_strategy_e): Remove SH5 division strategies.
9779         (TARGET_PTRMEMFUNC_VBIT_LOCATION): Remove and use default.
9780         * config/sh/sh.md (divsf3): Reinstate define_expand pattern.
9781
9782 2016-04-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
9783
9784         * config/s390/s390.c (s390_rtx_costs): Update documentation.
9785
9786 2016-04-29  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9787
9788         * config/s390/2964.md ("z13_unit_fxu", "z13_0"): Remove lder.
9789         * config/s390/s390.md ("movsi_larl", "*movsi_esa", "mov<mode>"):
9790         Change lder to ldr.
9791         * config/s390/vector.md ("mov<mode>"): Likewise.
9792
9793 2016-04-29  Ulrich Weigand  <uweigand@de.ibm.com>
9794
9795         * config/s390/constraints.md ("U", "W"): Invoke
9796         s390_mem_constraint with "ZR" and "ZT".
9797         * config/s390/s390.c (s390_check_qrst_address): Reject invalid
9798         addresses when using LRA.  Accept also short displacements for S
9799         and T constraints.  Do not check for long displacement target for
9800         S and T constraints.
9801         (s390_mem_constraint): Remove handling of U and W constraints.
9802         * config/s390/s390.md (various patterns): Remove the short
9803         displacement constraints (Q and R) if a long displacement
9804         constraint is present.  Add longdisp as required CPU capability.
9805         * config/s390/vector.md: Likewise.
9806         * config/s390/vx-builtins.md: Likewise.
9807
9808 2016-04-29  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
9809
9810         PR target/60040
9811         * reload1.c (reload): Call finish_spills before
9812         restarting reload loop. Skip select_reload_regs
9813         if update_eliminables_and_spill returns true.
9814
9815 2016-04-29  Claudiu Zissulescu  <claziss@synopsys.com>
9816
9817         * config/arc/arc.h (UNSIGNED_INT12, UNSIGNED_INT16): Define.
9818         * config/arc/arc.md (umulhisi3): Use arc_short_operand predicate.
9819         (umulhisi3_imm): Update predicates and constraint letters.
9820         (umulhisi3_reg): Declare instruction as commutative.
9821         * config/arc/constraints.md (J12, J16): New constraints.
9822         * config/arc/predicates.md (short_unsigned_const_operand): New
9823         predicate.
9824         (arc_short_operand): Likewise.
9825         * testsuite/gcc.target/arc/umulsihi3_z.c: New file.
9826
9827 2016-04-29  Richard Biener  <rguenther@suse.de>
9828
9829         PR tree-optimization/13962
9830         PR tree-optimization/65686
9831         * tree-ssa-alias.h (ptrs_compare_unequal): Declare.
9832         * tree-ssa-alias.c (ptrs_compare_unequal): New function
9833         using PTA to compare pointers.
9834         * match.pd: Add pattern for pointer equality compare simplification
9835         using ptrs_compare_unequal.
9836
9837 2016-04-29  Richard Biener  <rguenther@suse.de>
9838
9839         * stor-layout.c (layout_type): Do not build a pointer-to-element
9840         type for arrays.
9841
9842 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
9843
9844         * config/i386/i386.md (Load+RegOp to Mov+MemOp peephole2):
9845         Use SWI mode iterator.  Use general_reg_operand predicate.
9846         (Load+RegOp to Mov+MemOp peephole2 with vector regs): Split
9847         peephole to MMX and SSE part.  Use mmx_reg_operand and sse_reg_operand
9848         predicates.
9849
9850 2016-04-29  Jakub Jelinek  <jakub@redhat.com>
9851
9852         PR middle-end/70843
9853         * fold-const.c (operand_equal_p): Don't verify hash value equality
9854         if arg0 == arg1.
9855         * tree.c (inchash::add_expr): Handle STATEMENT_LIST.  Ignore BLOCK
9856         and OMP_CLAUSE.
9857
9858 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
9859
9860         PR target/70858
9861         * config/i386/i386.c (bdesc_special_args): Add | OPTION_MASK_ISA_64BIT
9862         to __builtin_ia32_lwpval64 and __builtin_ia32_lwpins64.
9863         (bdesc_args): Add | OPTION_MASK_ISA_64BIT to __builtin_ia32_bextr_u64,
9864         __builtin_ia32_bextri_u64, __builtin_ia32_bzhi_di,
9865         __builtin_ia32_pdep_di and __builtin_ia32_pext_di.
9866
9867 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
9868
9869         * config/rs6000/rs6000.c (compute_save_world_info): Rename info_ptr
9870         to info.  Don't initialize separate fields to 0.  Clean up
9871         formatting a bit.
9872
9873 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
9874
9875         * config/i386/i386.md (peephole2s for operations with memory inputs):
9876         Use SWI mode iterator.
9877         (peephole2s for operations with memory outputs): Ditto.
9878         Do not check for stack checking probe.
9879
9880         (probe_stack): Remove expander.
9881
9882 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
9883             Andrew Burgess  <andrew.burgess@embecosm.com>
9884
9885         * config/arc/arc.c (arc_print_operand): Print integer 'H' / 'L'
9886         operands as 32-bits.
9887
9888 2016-04-28  Jason Merrill  <jason@redhat.com>
9889
9890         * gdbinit.in: Skip line-map.h.
9891
9892 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
9893             Andrew Burgess  <andrew.burgess@embecosm.com>
9894
9895         * config/arc/arc.c (arc_conditional_register_usage): Take
9896         TARGET_RRQ_CLASS into account.
9897         (arc_print_operand): Support printing 'p' and 's' operands.
9898         * config/arc/arc.h (TARGET_NPS_BITOPS_DEFAULT): Provide default
9899         as 0.
9900         (TARGET_RRQ_CLASS): Define.
9901         (IS_POWEROF2_OR_0_P): Define.
9902         * config/arc/arc.md (*movsi_insn): Add w/Clo, w/Chi, and w/Cbi
9903         alternatives.
9904         (*tst_movb): New define_insn.
9905         (*tst): Avoid recognition if it could prevent '*tst_movb'
9906         combination; replace c/CnL with c/Chs alternative.
9907         (*tst_bitfield_tst): New define_insn.
9908         (*tst_bitfield_asr): New define_insn.
9909         (*tst_bitfield): New define_insn.
9910         (andsi3_i): Add Rrq variant.
9911         (extzv): New define_expand.
9912         (insv): New define_expand.
9913         (*insv_i): New define_insn.
9914         (*movb): New define_insn.
9915         (*movb_signed): New define_insn.
9916         (*movb_high): New define_insn.
9917         (*movb_high_signed): New define_insn.
9918         (*movb_high_signed + 1): New define_split pattern.
9919         (*mrgb): New define_insn.
9920         (*mrgb + 1): New define_peephole2 pattern.
9921         (*mrgb + 2): New define_peephole2 pattern.
9922         * config/arc/arc.opt (mbitops): New option for nps400, uses
9923         TARGET_NPS_BITOPS_DEFAULT.
9924         * config/arc/constraints.md (q): Make register class conditional.
9925         (Rrq): New register constraint.
9926         (Chs): New constraint.
9927         (Clo): New constraint.
9928         (Chi): New constraint.
9929         (Cbf): New constraint.
9930         (Cbn): New constraint.
9931         (C18): New constraint.
9932         (Cbi): New constraint.
9933
9934 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
9935
9936         * cfganal.c (bitmap_intersection_of_succs): Delete assert checking
9937         dst->popcount.
9938         (bitmap_intersection_of_preds): Ditto.
9939         (bitmap_union_of_succs): Ditto.
9940         (bitmap_union_of_preds): Ditto.
9941         * sbitmap.c (do_popcount): Delete.
9942         (BITMAP_DEBUGGING): Delete.
9943         (sbitmap_verify_popcount): Delete.
9944         (sbitmap_alloc): Don't initialize the popcount field.
9945         (sbitmap_alloc_with_popcount): Delete.
9946         (sbitmap_resize): Don't resize the popcount array.
9947         (sbitmap_vector_alloc): Don't initialize the popcount field.
9948         (bitmap_copy): Don't copy the popcount array.
9949         (bitmap_clear): Don't clear the popcount array.
9950         (bitmap_clear): Delete the popcount array handling.
9951         (bitmap_ior_and_compl): Delete the popcount assert.
9952         (bitmap_not): Ditto.
9953         (bitmap_and_compl): Ditto.
9954         (bitmap_and): Delete the popcount array handling.
9955         (bitmap_xor): Ditto.
9956         (bitmap_ior): Ditto.
9957         (bitmap_or_and): Delete the popcount assert.
9958         (bitmap_and_or): Ditto.
9959         (popcount_table): Delete.
9960         (sbitmap_elt_popcount): Delete.
9961         * sbitmap.h (simple_bitmap_def): Delete the popcount field.
9962         (bitmap_set_bit): Delete the popcount assert.
9963         (bitmap_clear_bit): Ditto.
9964         (sbitmap_free): Don't free the popcount array.
9965         (sbitmap_alloc_with_popcount): Delete declaration.
9966         (sbitmap_popcount): Ditto.
9967
9968 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
9969             Andrew Burgess  <andrew.burgess@embecosm.com>
9970
9971         * config/arc/arc.h (SYMBOL_FLAG_CMEM): Define.
9972         (TARGET_NPS_CMEM_DEFAULT): Provide default definition.
9973         * config/arc/arc.c (arc_address_cost): Return 0 for cmem_address.
9974         (arc_encode_section_info): Set SYMBOL_FLAG_CMEM where indicated.
9975         * config/arc/arc.opt (mcmem): New option.
9976         * config/arc/arc.md (*extendqihi2_i): Add r/Uex alternative,
9977         supply length for r/m alternative.
9978         (*extendqisi2_ac): Likewise.
9979         (*extendhisi2_i): Add r/Uex alternative, supply length for r/m and
9980         r/Uex alternative.
9981         (movqi_insn): Add r/Ucm and Ucm/?Rac alternatives.
9982         (movhi_insn): Likewise.
9983         (movsi_insn): Add r/Ucm,Ucm/w alternatives.
9984         (*zero_extendqihi2_i): Add r/Ucm alternative.
9985         (*zero_extendqisi2_ac): Likewise.
9986         (*zero_extendhisi2_i): Likewise.
9987         * config/arc/constraints.md (Uex): New memory constraint.
9988         (Ucm): New define_constraint.
9989         * config/arc/predicates.md (long_immediate_loadstore_operand):
9990         Return 0 for MEM with cmem_address address.
9991         (cmem_address_0): New predicates.
9992         (cmem_address_1): Likewise.
9993         (cmem_address_2): Likewise.
9994         (cmem_address): Likewise.
9995
9996 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
9997
9998         * config/rs6000/rs6000.c (machine_function): Rename
9999         insn_chain_scanned_p to spe_insn_chain_scanned_p.
10000         (rs6000_stack_info): Adjust.
10001
10002 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
10003             Andrew Burgess  <andrew.burgess@embecosm.com>
10004
10005         * config/arc/constraints.md (Usd): Convert to define_constraint.
10006         (Us<): Likewise.
10007         (Us>): Likewise.
10008
10009 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
10010
10011         PR target/70821
10012         * config/i386/sync.md (define_peephole2 *atomic_fetch_add_cmp<mode>):
10013         Add new peephole2 where the first insn is *mov<mode>_or instead of
10014         *mov<mode>_internal.
10015
10016 2016-04-28  Segher Boesssenkool  <segher@kernel.crashing.org>
10017
10018         * tracer.c (bb_seen): Make static.
10019
10020 2016-04-28  Andrew Burgess  <andrew.burgess@embecosm.com>
10021
10022         * common/config/arc/arc-common.c (arc_handle_option): Add NPS400
10023         support, setup defaults.
10024         * config/arc/arc-opts.h (enum processor_type): Add NPS400.
10025         * config/arc/arc.c (arc_init): Add NPS400 support.
10026         * config/arc/arc.h (CPP_SPEC): Add NPS400 defines.
10027         (TARGET_ARC700): NPS400 is also an ARC700.
10028         * config/arc/arc.opt: Add NPS400 options to -mcpu=.
10029
10030 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
10031
10032         PR target/70668
10033         * config/nds32/nds32.md (casesi): Don't access the operands array
10034         out of bounds.
10035
10036 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
10037
10038         * config/i386/i386.md (zeroing peephole2): Use general_reg_operand.
10039         (or $-1,reg peephole2): Ditto.
10040         (strict_low_part zeroing peephole2): Use SWI12 mode iterator.
10041
10042 2016-04-28  Markus Trippelsdorf  <markus@trippelsdorf.de>
10043
10044         * doc/extend.texi (Common Function Attributes) [optimize]:
10045         Discourage use of the optimize attribute.
10046
10047 2016-04-28  Bill Seurer  <seurer@linux.vnet.ibm.com>
10048
10049         * config/rs6000/rs6000-builtin.def (vec_adde): Change vec_adde to a
10050         special case builtin.
10051         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Remove
10052         ALTIVEC_BUILTIN_VEC_ADDE.
10053         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
10054         support for ALTIVEC_BUILTIN_VEC_ADDE.
10055         * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
10056         for __builtin_vec_adde.
10057
10058 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
10059
10060         * config/i386/i386.md (sse4_1_round<mode>2): Add avx512f alternative.
10061         * config/i386/sse.md (sse4_1_round<ssescalarmodesuffix>): Likewise.
10062
10063 2016-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
10064
10065         PR testsuite/70595
10066         * doc/sourcebuild.texi (Effective-Target Keywords, Other
10067         attributes): Document cilkplus_runtime.
10068
10069 2016-04-28  Martin Jambor  <mjambor@suse.cz>
10070
10071         * tree-cfg.c (verify_expr): Verify that local declarations belong to
10072         this function.  Call verify_expr on MEM_REFs and bases of other
10073         handled_components.
10074
10075 2016-04-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10076
10077         * internal-fn.c (expand_arith_overflow): Convert preprocessor check
10078         for WORD_REGISTER_OPERATIONS to runtime check.
10079
10080 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
10081
10082         * config/arc/arc.h (ASM_SPEC): Pass mfpuda to assembler.
10083
10084 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
10085
10086         * config/arc/arc.c (arc_process_double_reg_moves): Fix for
10087         big-endian compilation.
10088         * config/arc/arc.md (addf3): Likewise.
10089         (subdf3): Likewise.
10090         (muldf3): Likewise.
10091
10092 2016-04-28  Richard Biener  <rguenther@suse.de>
10093
10094         PR tree-optimization/70840
10095         * match.pd: powi(-x, y) and powi(|x|,y) -> powi(x,y) if y is even;
10096         Fix pow(copysign(x, y), z) -> pow(x, z) and add powi variant;
10097         Mark x * pow(x,c) -> pow(x,c+1) commutative.
10098         Add powi(x,y) * powi(z,y) -> powi(x*z,y).
10099
10100 2015-04-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10101
10102         * config/aarch64/aarch64.h (WORD_REGISTER_OPERATIONS): Define to 0
10103         and explain why in a comment.
10104
10105 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
10106
10107         * config/arc/arc.md (cpu_facility): Add fpx variant.
10108         (subdf3): Prohibit use reverse sub when assist operations option
10109         is enabled.
10110         * config/arc/fpx.md (subdf3_insn, *dsubh_peep2_insn): Allow drsub
10111         instructions only when FPX is enabled.
10112         * testsuite/gcc.target/arc/trsub.c: New test.
10113
10114 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
10115
10116         * config/i386/i386.md (*fop_<mode>_1_mixed): Do not check for
10117         mult_operator when calculating "type" attribute.
10118         (*fop_<mode>_1_i387): Ditto.
10119         (*fop_xf_1_i387): Ditto.
10120         (x87 stack loads peephole2): Add "reg = op (mem, reg)" peephole2.
10121         Use std::swap to swap operands.  Use RTL expressions to generate
10122         converted pattern.
10123
10124 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
10125             Joern Rennecke  <joern.rennecke@embecosm.com>
10126
10127         * config/arc/arc-protos.h (arc_legitimize_pic_address): Remove
10128         declaration.
10129         (emit_pic_move): Remove.
10130         (arc_eh_uses, insn_is_tls_gd_dispatch): Declare.
10131         * config/arc/arc.c (emit_pic_move): Removed.
10132         (TARGET_HAVE_TLS): Define.
10133         (arc_conditional_register_usage): Test for arc_tp_regno.
10134         (arc_print_operand, arc_print_operand_address): Handle TLS
10135         unspecs.
10136         (arc_needs_pcl_p): New function.
10137         (arc_legitimate_pc_offset_p): Use arc_needs_pcl_p.
10138         (arc_legitimate_pic_addr_p): Handle TLS unspecs.
10139         (arc_raw_symbolic_reference_mentioned_p): Likewise.
10140         (arc_get_tp, arc_emit_call_tls_get_addr): New function.
10141         (arc_legitimize_tls_address): Likewise.
10142         (DTPOFF_ZERO_SYM): Define.
10143         (arc_legitimize_pic_address): Make it static, handle TLS cases.
10144         (arc_output_pic_addr_const): Print TLS unspecs.
10145         (prepare_pic_move): New function, replaces emit_pic_move.
10146         (arc_legitimate_constant_p): Handle TLS unspecs.
10147         (arc_legitimate_address_p): Likewise.
10148         (arc_rewrite_small_data_p): Use assert for TLS constants.
10149         (prepare_move_operands): Use prepare_pic_move.
10150         (arc_legitimize_address): Legitimize tls addresses.
10151         (arc_epilogue_uses): Check for arc_tp_regno.
10152         (arc_eh_uses, insn_is_tls_gd_dispatch): New function.
10153         * config/arc/arc.h [DEFAULT_LIBC != LIBC_UCLIBC] (EXTRA_SPECS):
10154         Define.
10155         [DEFAULT_LIBC != LIBC_UCLIBC] (ARC_TLS_EXTRA_START_SPEC):
10156         Likewise.
10157         [DEFAULT_LIBC != LIBC_UCLIBC] (STARTFILE_SPEC): Add
10158         %(arc_tls_extra_start_spec).
10159         (TARGET_CPU_CPP_BUILTINS): Define __ARC_TLS_REGNO__.
10160         (REGNO_OK_FOR_BASE_P): Check for arc_tp_regno.
10161         (EH_USES): Define.
10162         (INSN_REFERENCES_ARE_DELAYED): Use insn_is_tls_gd_dispatch.
10163         * config/arc/arc.md (UNSPEC_TLS_GD, UNSPEC_TLS_LD, UNSPEC_TLS_IE)
10164         (UNSPEC_TLS_OFF): Add.
10165         (R10_REG): Define.
10166         (tls_load_tp_soft, tls_gd_load, tls_gd_get_addr, tls_gd_dispatch)
10167         (get_thread_pointersi): New patterns.
10168         * config/arc/arc.opt (mtp-regno): New option.
10169         * config/arc/predicates.md (move_src_operand): Handle TLS symbols.
10170         (move_dest_operand): Likewise.
10171         * configure: Regenerate.
10172         * configure.ac: Add arc*-*-* case to test for tls.
10173         * doc/invoke.texi (ARC options): Document mtp-regno.
10174
10175 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
10176
10177         * config/arc/arc.c (arc_vector_mode_supported_p): Add support for
10178         the new ARC HS SIMD instructions.
10179         (arc_preferred_simd_mode): New function.
10180         (arc_autovectorize_vector_sizes): Likewise.
10181         (TARGET_VECTORIZE_PREFERRED_SIMD_MODE)
10182         (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Define.
10183         (arc_init_reg_tables): Accept new ARC HS SIMD modes.
10184         (arc_init_builtins): Add new SIMD builtin types.
10185         (arc_split_move): Handle 64 bit vector moves.
10186         * config/arc/arc.h (TARGET_PLUS_DMPY, TARGET_PLUS_MACD)
10187         (TARGET_PLUS_QMACW): Define.
10188         * config/arc/builtins.def (QMACH, QMACHU, QMPYH, QMPYHU, DMACH)
10189         (DMACHU, DMPYH, DMPYHU, DMACWH, DMACWHU, VMAC2H, VMAC2HU, VMPY2H)
10190         (VMPY2HU, VADDSUB2H, VSUBADD2H, VADDSUB, VSUBADD, VADDSUB4H)
10191         (VSUBADD4H): New builtins.
10192         * config/arc/simdext.md: Add new ARC HS SIMD instructions.
10193         * testsuite/gcc.target/arc/builtin_simdarc.c: New file.
10194
10195 2016-04-28  Eduard Sanou  <dhole@openmailbox.org>
10196             Matthias Klose  <doko@debian.org>
10197
10198         * doc/cppenv.texi: Document SOURCE_DATE_EPOCH environment variable.
10199
10200 2016-04-28  Richard Biener  <rguenther@suse.de>
10201
10202         PR middle-end/70777
10203         * fold-const.c (fold_binary_loc): Remove x*x to pow(x,2.0)
10204         canonicalization.
10205
10206 2016-04-28  Oleg Endo  <olegendo@gcc.gnu.org>
10207
10208         * common/config/sh/sh-common.c: Remove SH5 support.
10209         * config/sh/constraints.md: Likewise.
10210         * config/sh/config/sh/elf.h: Likewise.
10211         * config/sh/linux.h: Likewise.
10212         * config/sh/netbsd-elf.h: Likewise.
10213         * config/sh/predicates.md: Likewise.
10214         * config/sh/sh-c.c: Likewise.
10215         * config/sh/sh-protos.h: Likewise.
10216         * config/sh/sh.c: Likewise.
10217         * config/sh/sh.h: Likewise.
10218         * config/sh/sh.md: Likewise.
10219         * config/sh/sh.opt: Likewise.
10220         * config/sh/sync.md: Likewise.
10221         * config/sh/sh64.h: Delete.
10222         * config/sh/shmedia.h: Likewise.
10223         * config/sh/shmedia.md: Likewise.
10224         * config/sh/sshmedia.h: Likewise.
10225         * config/sh/t-netbsd-sh5-64: Likewise.
10226         * config/sh/t-sh64: Likewise.
10227         * config/sh/ushmedia.h: Likewise.
10228
10229 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
10230
10231         * config/i386/i386.md (sign_extend to memory peephole2s): Use
10232         general_reg_operand instead of register_operand predicate.
10233
10234 2016-04-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
10235
10236         * params.def (MIN_PARTITION_SIZE): Set default value to 10000.
10237
10238 2016-04-27  Marc Glisse  <marc.glisse@inria.fr>
10239
10240         * match.pd (A - B > A, A + B < A): New transformations.
10241
10242 2016-04-27  Patrick Palka  <ppalka@gcc.gnu.org>
10243
10244         * genattrtab.c (write_test_expr): New parameter EMIT_PARENS
10245         which defaults to true.  Emit an outer pair of parentheses only if
10246         EMIT_PARENS.  When continuing a chain of && or || (or & or |),
10247         don't emit parentheses for the right-hand operand.
10248
10249 2016-04-27  Jeff Law  <law@redhat.com>
10250
10251         * tree-ssa-dom.c (record_temporary_equivalences): Fix typo in comment.
10252
10253 2016-04-27  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
10254
10255         * config/rs6000/altivec.md (altivec_lvx_<mode>): Remove.
10256         (altivec_lvx_<mode>_internal): Document.
10257         (altivec_lvx_<mode>_2op): New define_insn.
10258         (altivec_lvx_<mode>_1op): Likewise.
10259         (altivec_lvx_<mode>_2op_si): Likewise.
10260         (altivec_lvx_<mode>_1op_si): Likewise.
10261         (altivec_stvx_<mode>): Remove.
10262         (altivec_stvx_<mode>_internal): Document.
10263         (altivec_stvx_<mode>_2op): New define_insn.
10264         (altivec_stvx_<mode>_1op): Likewise.
10265         (altivec_stvx_<mode>_2op_si): Likewise.
10266         (altivec_stvx_<mode>_1op_si): Likewise.
10267         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
10268         Expand vec_ld and vec_st during parsing.
10269         * config/rs6000/rs6000.c (altivec_expand_lvx_be): Commentary
10270         changes.
10271         (altivec_expand_stvx_be): Likewise.
10272         (altivec_expand_lv_builtin): Expand lvx built-ins to expose the
10273         address-masking behavior in RTL.
10274         (altivec_expand_stv_builtin): Expand stvx built-ins to expose the
10275         address-masking behavior in RTL.
10276         (altivec_expand_builtin): Change builtin code arguments for calls
10277         to altivec_expand_stv_builtin and altivec_expand_lv_builtin.
10278         (insn_is_swappable_p): Avoid incorrect swap optimization in the
10279         presence of lvx/stvx patterns.
10280         (alignment_with_canonical_addr): New function.
10281         (alignment_mask): Likewise.
10282         (find_alignment_op): Likewise.
10283         (recombine_lvx_pattern): Likewise.
10284         (recombine_stvx_pattern): Likewise.
10285         (recombine_lvx_stvx_patterns): Likewise.
10286         (rs6000_analyze_swaps): Perform a pre-pass to recognize lvx and
10287         stvx patterns from expand.
10288         * config/rs6000/vector.md (vector_altivec_load_<mode>): Use new
10289         expansions.
10290         (vector_altivec_store_<mode>): Likewise.
10291
10292 2016-04-26  Evandro Menezes  <e.menezes@samsung.com>
10293
10294         * config/aarch64/aarch64.md
10295         (*movhf_aarch64): Add "movi %0, #0" to zero up register and
10296         remove the "fp" attributes.
10297         (*movsf_aarch64): Add "movi %0, #0" to zero up register and
10298         add the "simd" attributes.
10299         (*movdf_aarch64): Likewise.
10300         (*movtf_aarch64): Remove the "fp" attributes.
10301         * testsuite/gcc.target/aarch64/fmovf-zero-reg.c: Update accordingly.
10302         * testsuite/gcc.target/aarch64/fmovd-zero-reg.c: Likewise.
10303
10304 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
10305
10306         * emit-rtl.c (maybe_set_first_label_num): Strengthen param from
10307         rtx to rtx_code_label *.
10308         * rtl.h (maybe_set_first_label_num): Likewise.
10309
10310 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
10311
10312         * df-core.c (df_add_problem): Make the problem param be const.
10313         (df_remove_problem): Make local "problem" be const.
10314         * df-problems.c (problem_RD): Make const.
10315         (problem_LR): Likewise.
10316         (problem_LIVE): Likewise.
10317         (problem_MIR): Likewise.
10318         (problem_CHAIN): Likewise.
10319         (problem_WORD_LR): Likewise.
10320         (problem_NOTE): Likewise.
10321         (problem_MD): Likewise.
10322         * df-scan.c (problem_SCAN): Likewise.
10323         * df.h (struct df_problem): Make field "dependent_problem" be
10324         const.
10325         (struct dataflow): Likewise for field "problem".
10326         (df_add_problem): Make param const.
10327
10328 2016-04-27  Uros Bizjak  <ubizjak@gmail.com>
10329
10330         * config/i386/i386.c (ix86_spill_class): Enable for TARGET_SSE2 when
10331         inter-unit moves to/from vector registers are enabled.  Do not disable
10332         for TARGET_MMX.
10333
10334 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
10335
10336         * df.h (DF_SCAN, DF_LR, DF_LIVE, DF_RD, DF_CHAIN, DF_WORD_LR,
10337         DF_NOTE, DF_MD, DF_MIR, DF_LAST_PROBLEM_PLUS1): Convert from
10338         #define to...
10339         (enum df_problem_id): ...this new enum.
10340         (struct df_problem): Convert field "id" from "int" to
10341         enum df_problem_id.
10342
10343 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
10344
10345         * rtl.def: Update comment for "things in the instruction chain" to
10346         reflect the removal of the leading "i" field for INSN_UID in
10347         r210360.  Fix bogus apostrophe.
10348
10349 2016-04-27  Uros Bizjak  <ubizjak@gmail.com>
10350
10351         * config/i386/i386.md
10352         (lea arith with mem operand + setcc peephole2): Set operator mode.
10353
10354 2016-04-27  H.J. Lu  <hongjiu.lu@intel.com>
10355
10356         PR target/70155
10357         * config/i386/i386.c (scalar_to_vector_candidate_p): Renamed to ...
10358         (dimode_scalar_to_vector_candidate_p): This.
10359         (timode_scalar_to_vector_candidate_p): New function.
10360         (scalar_to_vector_candidate_p): Likewise.
10361         (timode_check_non_convertible_regs): Likewise.
10362         (timode_remove_non_convertible_regs): Likewise.
10363         (remove_non_convertible_regs): Likewise.
10364         (remove_non_convertible_regs): Renamed to ...
10365         (dimode_remove_non_convertible_regs): This.
10366         (scalar_chain::~scalar_chain): Make it virtual.
10367         (scalar_chain::compute_convert_gain): Make it pure virtual.
10368         (scalar_chain::mark_dual_mode_def): Likewise.
10369         (scalar_chain::convert_insn): Likewise.
10370         (scalar_chain::convert_registers): Likewise.
10371         (scalar_chain::add_to_queue): Make it protected.
10372         (scalar_chain::emit_conversion_insns): Likewise.
10373         (scalar_chain::replace_with_subreg): Likewise.
10374         (scalar_chain::replace_with_subreg_in_insn): Likewise.
10375         (scalar_chain::convert_op): Likewise.
10376         (scalar_chain::convert_reg): Likewise.
10377         (scalar_chain::make_vector_copies): Likewise.
10378         (scalar_chain::convert_registers): New pure virtual function.
10379         (class dimode_scalar_chain): New class.
10380         (class timode_scalar_chain): Likewise.
10381         (scalar_chain::mark_dual_mode_def): Renamed to ...
10382         (dimode_scalar_chain::mark_dual_mode_def): This.
10383         (timode_scalar_chain::mark_dual_mode_def): New function.
10384         (timode_scalar_chain::convert_insn): Likewise.
10385         (dimode_scalar_chain::convert_registers): Likewise.
10386         (scalar_chain::compute_convert_gain): Renamed to ...
10387         (dimode_scalar_chain::compute_convert_gain): This.
10388         (scalar_chain::replace_with_subreg): Renamed to ...
10389         (dimode_scalar_chain::replace_with_subreg): This.
10390         (scalar_chain::replace_with_subreg_in_insn): Renamed to ...
10391         (dimode_scalar_chain::replace_with_subreg_in_insn): This.
10392         (scalar_chain::make_vector_copies): Renamed to ...
10393         (dimode_scalar_chain::make_vector_copies): This.
10394         (scalar_chain::convert_reg): Renamed to ...
10395         (dimode_scalar_chain::convert_reg ): This.
10396         (scalar_chain::convert_op): Renamed to ...
10397         (dimode_scalar_chain::convert_op): This.
10398         (scalar_chain::convert_insn): Renamed to ...
10399         (dimode_scalar_chain::convert_insn): This.
10400         (scalar_chain::convert): Call convert_registers.
10401         (convert_scalars_to_vector): Change to scalar_chain pointer to
10402         use timode_scalar_chain in 64-bit mode and dimode_scalar_chain
10403         in 32-bit mode.  Delete scalar_chain pointer.  Call
10404         free_dominance_info in 64-bit mode.
10405         (pass_stv::gate): Remove TARGET_64BIT check.
10406         (ix86_option_override): Put the 64-bit STV pass before the CSE
10407         pass.
10408
10409 2016-04-27  Pierre-Marie de Rodat  <derodat@adacore.com>
10410
10411         * dwarf2out.h (struct dw_loc_descr_node): Remove the
10412         dw_loc_frame_offset field.
10413         * dwarf2out.c (new_loc_descr): Likewise.
10414         (resolve_args_picking_1): Turn the VISITED hash set into a
10415         FRAME_OFFSET hash map. Use it to associate a frame offset to
10416         visited nodes. Remove uses of the CHECKING_P macro.
10417         (resolve_args_picking): Update call to resolve_args_picking_1.
10418
10419 2016-04-27  Martin Liska  <mliska@suse.cz>
10420
10421         * tree-ssa-loop-ivopts.c (iv_ca_dump): Fix level of indentation.
10422         (free_loop_data): Release vuses of groups.
10423
10424 2016-04-27  Bin Cheng  <bin.cheng@arm.com>
10425
10426         * tree-ssa-loop-ivopts.c (struct iv): Use pointer to struct iv_use
10427         instead of redundant use_id and boolean have_use_for.
10428         (struct iv_use): Change sub_id into group_id.  Remove field next.
10429         Move fields: related_cands, n_map_members, cost_map and selected
10430         to ...
10431         (struct iv_group): ... here.  New structure.
10432         (struct iv_common_cand): Use structure declaration directly.
10433         (struct ivopts_data, iv_ca, iv_ca_delta): Rename fields.
10434         (MAX_CONSIDERED_USES): Rename macro to ...
10435         (MAX_CONSIDERED_GROUPS): ... here.
10436         (n_iv_uses, iv_use, n_iv_cands, iv_cand): Delete.
10437         (dump_iv, dump_use, dump_cand): Refactor format of dump information.
10438         (dump_uses): Rename to ...
10439         (dump_groups): ... here.  Update all uses.
10440         (tree_ssa_iv_optimize_init, alloc_iv): Update all uses.
10441         (find_induction_variables): Refactor format of dump information.
10442         (record_sub_use): Delete.
10443         (record_use): Update all uses.
10444         (record_group): New function.
10445         (record_group_use, find_interesting_uses_op): Call above functions.
10446         Update all uses.
10447         (find_interesting_uses_cond): Ditto.
10448         (group_compare_offset): New function.
10449         (split_all_small_groups): Rename to ...
10450         (split_small_address_groups_p): ... here.  Update all uses.
10451         (split_address_groups):  Update all uses.
10452         (find_interesting_uses): Refactor format of dump information.
10453         (add_candidate_1): Update all uses.  Remove redundant check on iv,
10454         base and step.
10455         (add_candidate, record_common_cand): Remove redundant assert.
10456         (add_iv_candidate_for_biv): Update use.
10457         (add_iv_candidate_derived_from_uses): Update all uses.
10458         (add_iv_candidate_for_groups, record_important_candidates): Ditto.
10459         (alloc_use_cost_map): Ditto.
10460         (set_use_iv_cost, get_use_iv_cost): Rename to ...
10461         (set_group_iv_cost, get_group_iv_cost): ... here.  Update all uses.
10462         (determine_use_iv_cost_generic): Ditto.
10463         (determine_group_iv_cost_generic): Ditto.
10464         (determine_use_iv_cost_address): Ditto.
10465         (determine_group_iv_cost_address): Ditto.
10466         (determine_use_iv_cost_condition): Ditto.
10467         (determine_group_iv_cost_cond): Ditto.
10468         (determine_use_iv_cost): Ditto.
10469         (determine_group_iv_cost): Ditto.
10470         (set_autoinc_for_original_candidates): Update all uses.
10471         (find_iv_candidates): Update all uses.  Refactor dump information.
10472         (determine_use_iv_costs): Ditto.
10473         (determine_iv_costs): Ditto.
10474         (iv_ca_cand_for_use): Rename to ...
10475         (iv_ca_cand_for_group): ... here.  Update all uses.
10476         (iv_ca_add_use, iv_ca_add_group): Ditto.
10477         (iv_ca_set_cp, iv_ca_cost, iv_ca_delta_add): Update all uses.
10478         (iv_ca_delta_join, iv_ca_delta_reverse, iv_ca_delta_free): Ditto.
10479         (iv_ca_new, iv_ca_dump, iv_ca_extend, iv_ca_narrow): Ditto.
10480         (iv_ca_prune, cheaper_cost_with_cand, iv_ca_replace): Ditto.
10481         (try_add_cand_for, try_improve_iv_set, find_optimal_iv_set): Ditto.
10482         (create_new_iv, adjust_iv_update_pos): Ditto.
10483         (rewrite_use_address): Delete.
10484         (rewrite_use_address_1): Rename to ...
10485         (rewrite_use_address): ... here.
10486         (rewrite_use_compare): Update all uses.
10487         (rewrite_use): Delete.
10488         (rewrite_uses): Rename to ...
10489         (rewrite_groups): ... here.  Update all uses.
10490         (remove_unused_ivs, free_loop_data): Update all uses.
10491         (tree_ssa_iv_optimize_finalize, tree_ssa_iv_optimize_loop): Ditto.
10492
10493 2016-04-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10494
10495         * rtlanal.c (nonzero_bits1): Convert preprocessor check
10496         for WORD_REGISTER_OPERATIONS to runtime check.
10497
10498 2016-04-27  Richard Biener  <rguenther@suse.de>
10499
10500         PR ipa/70760
10501         * tree-ssa-structalias.c (find_func_aliases_for_call): Use
10502         aggregate_value_p to determine if a function result is
10503         returned by reference.
10504         (ipa_pta_execute): Functions having their address taken are
10505         not automatically nonlocal.
10506
10507 2016-04-27  Jakub Jelinek  <jakub@redhat.com>
10508
10509         PR sanitizer/70683
10510         * tree-core.h (enum operand_equal_flag): Add OEP_NO_HASH_CHECK.
10511         * fold-const.c (operand_equal_p): If flag_checking and
10512         OEP_NO_HASH_CHECK is not set in flag, recurse with OEP_NO_HASH_CHECK
10513         and if it returns non-zero, assert iterative_hash_expr on both
10514         args is the same.
10515
10516 2016-04-27  Bernd Schmidt  <bschmidt@redhat.com>
10517
10518         * doc/invoke.texi (-frename-registers): Also enabled at -Os.
10519
10520 2016-04-27  Nick Clifton  <nickc@redhat.com>
10521
10522         PR middle-end/49889
10523         * varasm.c (merge_weak): Generate an error if an attempt is made
10524         to convert a non-weak static function into a weak, public function.
10525
10526 2016-04-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
10527
10528         * params.def (MAX_PARTITION_SIZE): New param.
10529         * doc/invoke.texi: Document lto-max-partition.
10530
10531 2016-04-27  Richard Biener  <rguenther@suse.de>
10532
10533         PR ipa/70785
10534         * tree-ssa-structalias.c (refered_from_nonlocal_fn): New
10535         function cummulating used_from_other_partition, externally_visible
10536         and force_output from aliases.
10537         (refered_from_nonlocal_var): Likewise.
10538         (ipa_pta_execute): Use call_for_symbol_and_aliases to cummulate
10539         node flags properly.
10540
10541 2016-04-27  Bernd Schmidt  <bschmidt@redhat.com>
10542
10543         * doc/invoke.texi (Warning Options): Add -Wmemset-elt-size.
10544         (-Wmemset-elt-size): New item.
10545
10546 2016-04-27  Eric Botcazou  <ebotcazou@adacore.com>
10547
10548         PR ada/70759
10549         * stor-layout.h (internal_reference_types): Delete.
10550         * stor-layout.c (reference_types_internal): Likewise.
10551         (internal_reference_types): Likewise.
10552         (layout_type) <REFERENCE_TYPE>: Adjust.
10553
10554 2016-04-27  Jakub Jelinek  <jakub@redhat.com>
10555
10556         PR sanitizer/70683
10557         * tree.h (inchash::add_expr): Add FLAGS argument.
10558         * tree.c (inchash::add_expr): Likewise.  If not OEP_ADDRESS_OF,
10559         use STRIP_NOPS first.  For INTEGER_CST assert not OEP_ADDRESS_OF.
10560         For REAL_CST and !HONOR_SIGNED_ZEROS (t) hash +/- 0 the same.
10561         Formatting fix.  Adjust recursive calls.  For tcc_comparison,
10562         if swap_tree_comparison (code) is smaller than code, hash that
10563         and arguments in the other order.  Hash CONVERT_EXPR the same
10564         as NOP_EXPR.  For OEP_ADDRESS_OF hash MEM_REF with 0 offset
10565         of ADDR_EXPR of decl as the decl itself.  Add or remove
10566         OEP_ADDRESS_OF from recursive flags as needed.  For
10567         FMA_EXPR, WIDEN_MULT_{PLUS,MINUS}_EXPR hash the first two
10568         operands commutatively and only the third one normally.
10569         For internal CALL_EXPR hash in CALL_EXPR_IFN.
10570
10571 2016-04-27  Sebastian Huber  <sebastian.huber@embedded-brains.de>
10572
10573         * config/rtems.h (LIB_SPEC): Add -latomic.
10574
10575 2016-04-27  Joel Sherrill  <joel@rtems.org>
10576
10577         * config/microblaze/rtems.h: Redefine LINK_SPEC to avoid
10578         xilink.ld and flags not relevant to RTEMS.
10579
10580 2016-04-26  Zhouyi Zhou  <yizhouzhou@ict.ac.cn>
10581
10582         * toplev.c (backend_init_target): Avoid calling init_reload when using
10583         LRA.
10584
10585 2016-04-26  Jakub Jelinek  <jakub@redhat.com>
10586
10587         * reorg.c (try_merge_delay_insns): Declare i and j inside the
10588         for loops rather than one for the whole function.
10589
10590 2016-04-26  Marc Glisse  <marc.glisse@inria.fr>
10591
10592         * match.pd (X + CST CMP X): New transformation.
10593
10594 2016-04-26  Marc Glisse  <marc.glisse@inria.fr>
10595
10596         * genmatch.c (write_predicate): Add ATTRIBUTE_UNUSED.
10597         * fold-const.c (fold_binary_loc): Remove 2 transformations
10598         superseded by match.pd.
10599         * match.pd (x+x -> x*2): Generalize to integers.
10600
10601 2016-04-26  Bernd Schmidt  <bschmidt@redhat.com>
10602
10603         * config/i386/i386.md (operation on memory peephole): Duplicate an
10604         existing peephole and adapt it to match lea rather than an operation
10605         that clobbers CC.
10606
10607         PR rtl-optimization/57193
10608         * opts.c (default_options_table): Add OPT_frename_registers at -O2
10609         and above.
10610         * doc/invoke.texi (-frename-registers, -O2): Update documentation.
10611
10612 2016-04-26  Bin Cheng  <bin.cheng@arm.com>
10613
10614         * tree-if-conv.c (any_pred_load_store): New static variable.
10615         (if_convertible_gimple_assign_stmt_p): Remove parameter.  Use
10616         any_pred_load_store instead of and_mask_load_store.
10617         (if_convertible_stmt_p, if_convertible_loop_p_1): Ditto.
10618         (if_convertible_loop_p, insert_gimplified_predicates): Ditto.
10619         (combine_blocks, tree_if_conversion): Ditto.
10620
10621 2016-04-26  Bin Cheng  <bin.cheng@arm.com>
10622
10623         PR tree-optimization/70771
10624         PR tree-optimization/70775
10625         * tree-if-conv.c (if_convertible_phi_p): Remove check on special
10626         virtual PHI nodes.  Delete parameter.
10627         (if_convertible_loop_p_1): Delete argument to above function.
10628         (predicate_all_scalar_phis): Delete code handling single-argument
10629         PHIs.
10630         (tree_if_conversion): Mark and update virtual SSA.
10631
10632 2016-04-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
10633
10634         PR target/61821
10635         * config/i386/i386.c (LARGECOMM_SECTION_ASM_OP): Define default.
10636         (x86_elf_aligned_common): Rename to ...
10637         (x86_elf_aligned_decl_common): ... this.
10638         Add decl arg.  Switch to .lbss for largecomm object.  Use
10639         LARGECOMM_SECTION_ASM_OP.
10640         * config/i386/i386-protos.h (x86_elf_aligned_common): Reflect
10641         renaming.
10642         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_COMMON): Rename to ...
10643         (ASM_OUTPUT_ALIGNED_DECL_COMMON): ... this.
10644         Pass new decl arg.
10645         * config/i386/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
10646         [!USE_GAS] (LARGECOMM_SECTION_ASM_OP): Define.
10647
10648 2016-04-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
10649
10650         PR target/59407
10651         * config/i386/i386.c (SECTION_LARGE): Define.
10652         (x86_64_elf_select_section): Set it for large data/bss sections.
10653         Only clear SECTION_WRITE for .lrodata.
10654         (x86_64_elf_section_type_flags): Set SECTION_LARGE for large
10655         data/bss sections.
10656         * config/i386/sol2.h (MACH_DEP_SECTION_ASM_FLAG): Define.
10657         * varasm.c (default_elf_asm_named_section): Grow flagchars.
10658         [MACH_DEP_SECTION_ASM_FLAG] Emit MACH_DEP_SECTION_ASM_FLAG for
10659         SECTION_MACH_DEP.
10660         * doc/tm.texi.in (Sections, MACH_DEP_SECTION_ASM_FLAG): Describe.
10661         * doc/tm.texi: Regenerate.
10662
10663 2016-04-26  Jakub Jelinek  <jakub@redhat.com>
10664
10665         PR bootstrap/70704
10666         * configure.ac (--enable-checking): Document extra flag, for
10667         non-release builds default to --enable-checking=yes,extra.
10668         If misc checking and extra checking, define CHECKING_P to 2 instead
10669         of 1.
10670         * common.opt (fchecking=): Add.
10671         * doc/invoke.texi (-fchecking=): Document.
10672         * doc/install.texi: Document --enable-checking changes.
10673         * configure: Regenerated.
10674         * config.in: Regenerated.
10675
10676 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
10677
10678         * config/i386/i386.md (*movxi_internal_avx512f): Use insn type
10679         attribute instead of which_alternative.
10680         * config/i386/sse.md (*mov<mode>_internal): Ditto.
10681         Use EXT_REX_SSE_REG_P where appropriate.
10682
10683 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
10684
10685         * config/i386/predicates.md (const0_operand): Do not match
10686         const_wide_int code.
10687         (const1_operand): Ditto.
10688
10689 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
10690
10691         * config/i386/i386.md (*movoi_internal_avx): Set mode attribute to XI
10692         for SSE constm1 operands and TARGET_AVX512VL.
10693         (*movti_internal): Ditto.
10694         (*mov<mode>_or): Use constm1_operand predicate.
10695         * config/i386/sse.md (*mov<mode>_internal): Set mode attribute to XI
10696         for SSE vector_all_ones operands and TARGET_AVX512VL.
10697         * config/i386/predicates.md (constm1_operand): New predicate.
10698         * config/i386/i386.c (standard_sse_constant_opcode): Simplify
10699         emission of constant -1 load.
10700
10701 2016-04-25  Jason Merrill  <jason@redhat.com>
10702
10703         * gdbinit.in: Skip is-a.h.
10704
10705         * attribs.c (register_scoped_attributes): Fix logic.
10706         * attribs.h: Declare register_scoped_attributes.
10707
10708 2016-04-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
10709
10710         * config/rs6000/rs6000-builtin.def: Correct pasto error for
10711         stxvd2x and stxvw4x built-in functions.
10712
10713 2016-04-25  DJ Delorie  <dj@redhat.com>
10714
10715         * config/msp430/msp430.md (ashlhi3): Optimize one bit shifts.
10716         (ashrhi3): Likewise.
10717         (lshrhi3): Likewise.
10718
10719 2016-04-25  Richard Biener  <rguenther@suse.de>
10720
10721         PR tree-optimization/70780
10722         * tree-ssa-pre.c (compute_antic_aux): Also return true if the block
10723         wasn't visited yet.
10724         (compute_antic): Mark blocks with abnormal preds as visited as
10725         they have a final empty antic-in solution already.
10726
10727 2016-04-25  Michael Collison  <michael.collison@linaro.org>
10728
10729         * ChangeLog(2016-04-25): Fix ChangeLog formatting.
10730
10731 2016-04-25  Michael Collison  <michael.collison@linaro.org>
10732
10733         * config/arm/neon.md (widen_<us>sum<mode>): New patterns where
10734         mode is VQI to improve mixed mode vectorization.
10735         * config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3): New
10736         define_insn to match low half of signed vaddw.
10737         * config/arm/neon.md (vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): New
10738         define_insn to match high half of signed vaddw.
10739         * config/arm/neon.md (vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): New
10740         define_insn to match low half of unsigned vaddw.
10741         * config/arm/neon.md (vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): New
10742         define_insn to match high half of unsigned vaddw.
10743         * config/arm/arm.c (arm_simd_vect_par_cnst_half): New function.
10744         (arm_simd_check_vect_par_cnst_half_p): Likewise.
10745         * config/arm/arm-protos.h (arm_simd_vect_par_cnst_half): Prototype
10746         for new function.
10747         (arm_simd_check_vect_par_cnst_half_p): Likewise.
10748         * config/arm/predicates.md (vect_par_constant_high): Support
10749         big endian and simplify by calling
10750         arm_simd_check_vect_par_cnst_half
10751         (vect_par_constant_low): Likewise.
10752
10753 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
10754
10755         * config/i386/i386.md (*lea<mode>_general_4): Use const_0_to_3_operand
10756         predicate for operand 2.
10757
10758 2016-04-24  Uros Bizjak  <ubizjak@gmail.com>
10759             H.J. Lu  <hongjiu.lu@intel.com>
10760
10761         * config/i386/i386-protos.h (standard_sse_constant_p): Add
10762         machine_mode argument.
10763         * config/i386/i386.c (standard_sse_constant_p): Return 2 for
10764         constm1_rtx operands.  For VOIDmode constants, get mode from
10765         pred_mode.  Check mode size if the mode is supported by ABI.
10766         (standard_sse_constant_opcode): Do not use standard_constant_p.
10767         Strictly check ABI support for all-ones operands.
10768         (ix86_legitimate_constant_p): Handle TImode, OImode and XImode
10769         immediates. Update calls to standard_sse_constant_p.
10770         (ix86_expand_vector_move): Update calls to standard_sse_constant_p.
10771         (ix86_rtx_costs): Ditto.
10772         * config/i386/i386.md (*movxi_internal_avx512f): Use
10773         nonimmediate_or_sse_const_operand instead of vector_move_operand.
10774         Use (v,BC) alternative instead of (v,C). Use register_operand
10775         checks instead of MEM_P.
10776         (*movoi_internal_avx): Use nonimmediate_or_sse_const_operand instead
10777         of vector_move_operand.  Add (v,BC) alternative and corresponding avx2
10778         isa attribute.  Use register_operand checks instead of MEM_P.
10779         (*movti_internal): Use nonimmediate_or_sse_const_operand for
10780         TARGET_SSE.  Improve TARGET_SSE insn constraint.  Add (v,BC)
10781         alternative and corresponding sse2 isa attribute.
10782         (*movtf_internal, *movdf_internal, *movsf_interal): Update calls
10783         to standard_sse_constant_p.
10784         (FP constant splitters): Ditto.
10785         * config/i386/constraints.md (BC): Do not use standard_sse_constant_p.
10786         (C): Ditto.
10787         * config/i386/predicates.md (constm1_operand): Remove.
10788         (nonimmediate_or_sse_const_operand): Rewrite using RTX.
10789         * config/i386/sse.md (*<avx512>_cvtmask2<ssemodesuffix><mode>): Use
10790         vector_all_ones_operand instead of constm1_operand.
10791
10792 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
10793
10794         * print-rtl.c (print_rtx_insn_vec): New function.
10795         * print-rtl.h: New prototype.
10796         * store-motion.c (struct st_expr): Make avail_stores a vector.
10797         (st_expr_entry): Adjust.
10798         (free_st_expr_entry): Likewise.
10799         (print_store_motion_mems): Likewise.
10800         (find_moveable_store): Likewise.
10801         (compute_store_table): Likewise.
10802         (delete_store): Likewise.
10803         (build_store_vectors): Likewise.
10804
10805 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
10806
10807         * reorg.c (try_merge_delay_insns): Make merged_insns a vector.
10808
10809 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
10810
10811         * vec.h (vec_safe_contains): New function.
10812         (vec::contains): Likewise.
10813         (vec::begin): Likewise.
10814         (vec::end): Likewise.
10815
10816 2016-04-23  Jakub Jelinek  <jakub@redhat.com>
10817
10818         PR sanitizer/70712
10819         * cfgexpand.c (expand_stack_vars): Fix typo.
10820
10821 2016-04-22  Szabolcs Nagy  <szabolcs.nagy@arm.com>
10822
10823         * system.h (list, map, set, vector): Include conditionally.
10824         * auto-profile.c (INCLUDE_MAP, INCLUDE_SET): Define.
10825         * graphite-isl-ast-to-gimple.c (INCLUDE_MAP): Define.
10826         * ipa-icf.c (INCLUDE_LIST): Define.
10827         * config/aarch64/cortex-a57-fma-steering.c (INCLUDE_LIST): Define.
10828         * config/sh/sh.c (INCLUDE_VECTOR): Define.
10829         * config/sh/sh_treg_combine.cc (INCLUDE_ALGORITHM): Define.
10830         (INCLUDE_LIST, INCLUDE_VECTOR): Define.
10831         * cp/logic.cc (INCLUDE_LIST): Define.
10832         * fortran/trans-common.c (INCLUDE_MAP): Define.
10833
10834 2016-04-22  Szabolcs Nagy  <szabolcs.nagy@arm.com>
10835
10836         * auto-profile.c: Remove <string.h> include.
10837         * ipa-icf-gimple.c: Remove <list> include.
10838         * diagnostic.c: Remove <new> include.
10839         * genmatch.c: Likewise.
10840         * pretty-print.c: Likewise.
10841         * toplev.c: Likewise
10842         * c/c-objc-common.c: Likewise.
10843         * cp/error.c: Likewise.
10844         * fortran/error.c: Likewise.
10845
10846 2016-04-22  Richard Biener  <rguenther@suse.de>
10847
10848         * lto-streamer-in.c (input_ssa_names): Do not allocate
10849         GIMPLE_NOP for all SSA names.
10850         * lto-streamer-out.c (output_ssa_names): Do not output
10851         SSA names that should have been released.
10852
10853 2016-04-22  Richard Biener  <rguenther@suse.de>
10854
10855         PR tree-optimization/70740
10856         * tree-ssa-phiprop.c (propagate_with_phi): Handle inserted
10857         VDEF.
10858
10859 2016-04-21  H.J. Lu  <hongjiu.lu@intel.com>
10860
10861         PR target/70750
10862         * config/i386/predicates.md (call_insn_operand): Replace
10863         sibcall_memory_operand with memory_operand.
10864
10865 2016-04-21  Patrick Palka  <ppalka@gcc.gnu.org>
10866
10867         * tree-vrp.c (register_edge_assert_for_2): Remove redundant
10868         has_single_use() tests.
10869         (register_edge_assert_for_1): Likewise.
10870         (find_assert_locations_1): Check the liveness bitmap instead of
10871         checking has_single_use().
10872
10873 2016-04-21  Kirill Yukhin  <kirill.yukhin@intel.com>
10874
10875         PR target/70728
10876         * config/i386/sse.md (define_insn "<shift_insn><mode>3<mask_name>"):
10877         Extract AVX-512BW constraint from AVX.
10878
10879 2016-04-21  Richard Biener  <rguenther@suse.de>
10880
10881         PR tree-optimization/70725
10882         * tree-if-conv.c (if_convertible_phi_p): Adjust guard
10883         for phi_convertible_by_degenerating_args.
10884         (predicate_all_scalar_phis): Handle single-argument PHIs.
10885
10886 2016-04-21  Richard Biener  <rguenther@suse.de>
10887
10888         PR middle-end/70747
10889         * fold-const.c (fold_comparison): Return properly typed
10890         constant boolean.
10891
10892 2016-04-21  Bin Cheng  <bin.cheng@arm.com>
10893
10894         PR tree-optimization/70715
10895         * tree-ssa-loop-niter.c (loop_exits_before_overflow): Check equality
10896         after expanding BASE using expand_simple_operations.
10897
10898 2016-04-21  Marc Glisse  <marc.glisse@inria.fr>
10899
10900         * match.pd (min(-x, -y), max(-x, -y), min(~x, ~y), max(~x, ~y)):
10901         New transformations.
10902
10903 2016-04-21  Marc Glisse  <marc.glisse@inria.fr>
10904
10905         * match.pd (min(int_max, x), max(int_min, x)): New transformations.
10906
10907 2016-04-20  Jan Hubicka  <jh@suse.cz>
10908
10909         * ipa-inline.c (can_inline_edge_p): Pass caller info to
10910         ultiimate_alias_target.
10911         (update_callee_keys): Likewise.
10912         (lookup_recursive_calls): Likewise.
10913         (speculation_useful_p): Likewise.
10914
10915 2016-04-20  Jan Hubicka  <jh@suse.cz>
10916
10917         PR ipa/70018
10918         * cgraph.c (cgraph_set_nothrow_flag_1): Rename to ...
10919         (set_nothrow_flag_1): ... this; handle interposition correctly;
10920         recurse on aliases and thunks.
10921         (cgraph_node::set_nothrow_flag): New.
10922         * ipa-pure-const.c (ignore_edge_for_nothrow): Ignore calls to
10923         functions compiled with non-call exceptions that binds to current
10924         def.
10925         (propagate_nothrow): Be safe WRT interposition.
10926         * cgraph.h (set_nothrow_flag): Update prototype.
10927
10928 2016-04-18  Jan Hubicka  <jh@suse.cz>
10929
10930         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
10931         max_loop_iterations_int.
10932         (tree_unswitch_outer_loop): Likewise.
10933
10934 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
10935
10936         PR tree-optimization/69489
10937         * tree-if-conv.c (phi_convertible_by_degenerating_args): New.
10938         (if_convertible_phi_p): Call phi_convertible_by_degenerating_args.
10939         Revise dump message.
10940         (if_convertible_bb_p): Remove check on edge count of basic block's
10941         predecessors.
10942
10943 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
10944
10945         PR tree-optimization/56625
10946         PR tree-optimization/69489
10947         * tree-data-ref.h (DR_INNERMOST): New macro.
10948         * tree-if-conv.c (innermost_loop_behavior_hash): New class for
10949         hashing struct innermost_loop_behavior.
10950         (ref_DR_map): Remove.
10951         (innermost_DR_map): New map.
10952         (baseref_DR_map): Revise comment.
10953         (hash_memrefs_baserefs_and_store_DRs_read_written_info): Store DR
10954         to innermost_DR_map accroding to its innermost loop behavior.
10955         (ifcvt_memrefs_wont_trap): Get DR from innermost_DR_map according
10956         to its innermost loop behavior.
10957         (if_convertible_loop_p_1): Remove intialization for ref_DR_map.
10958         Add initialization for innermost_DR_map.  Record memory reference
10959         in DR_BASE_ADDRESS if the reference is compound one or it doesn't
10960         have innermost loop behavior.
10961         (if_convertible_loop_p): Remove release for ref_DR_map.  Release
10962         innermost_DR_map.
10963
10964 2016-04-20  Uros Bizjak  <ubizjak@gmail.com>
10965
10966         * config/i386/i386.md (*lea<mode>_general_1): Rename from
10967         *lea_general_1.  Use explicit SWI12 mode interator.
10968         (*lea<mode>_general_2): Rename from *lea_general_2.
10969         Use explicit SWI12 mode interator.
10970         (*lea<mode>_general_3): Rename from *lea_general_3.
10971         Use explicit SWI12 mode interator.
10972         (*lea<SWI12:mode>_general_4): Split from *lea_general_4.
10973         Use explicit SWI12 mode interator.
10974         (*lea<SWI48:mode>_general_4): Split from *lea_general_4.
10975         Use explicit SWI48 mode interator.
10976
10977 2016-04-20  H.J. Lu  <hongjiu.lu@intel.com>
10978
10979         * config/i386/i386.c (ix86_avx256_split_vector_move_misalign):
10980         Short-cut unaligned load and store cases.  Handle all integer
10981         vector modes.
10982         (ix86_expand_vector_move_misalign): Short-cut unaligned load
10983         and store cases.  Call ix86_avx256_split_vector_move_misalign
10984         directly without checking mode class.
10985
10986 2016-04-20  Andrew Pinski  <apinski@cavium.com>
10987             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10988
10989         PR target/64971
10990         * config/aarch64/aarch64.md (sibcall): Force call
10991         address to be DImode for ILP32.
10992         (sibcall_value): Likewise.
10993
10994 2016-04-20  H.J. Lu  <hongjiu.lu@intel.com>
10995
10996         * doc/invoke.texi: Replace -skip-rax-setup with -mskip-rax-setup.
10997
10998 2016-04-20  Richard Biener  <rguenther@suse.de>
10999
11000         * gimple-match.h (maybe_build_generic_op): Adjust prototype.
11001         * gimple-match-head.c (maybe_build_generic_op): Pass all ops
11002         by reference, clear op1 and op2 when GENERICizing BIT_FIELD_REF.
11003         (maybe_push_res_to_seq): Adjust.
11004         * gimple-fold.c (maybe_build_generic_op): Likewise.
11005
11006 2016-04-20  Marek Polacek  <polacek@redhat.com>
11007
11008         * tree-if-conv.c (is_false_predicate): For NULL_TREE return false
11009         rather than true.
11010
11011 2016-04-20  Ilya Enkovich  <ilya.enkovich@intel.com>
11012
11013         * config/i386/sse.md (vec_unpacks_lo_hi): Always
11014         use kmovw to support AVX512F target.
11015
11016 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
11017
11018         * tree-scalar-evolution.c (interpret_rhs_expr): Handle BIT_AND_EXPR.
11019
11020 2016-04-20  Marek Polacek  <polacek@redhat.com>
11021
11022         PR tree-optimization/70725
11023         * tree-if-conv.c (is_false_predicate): New function.
11024         (predicate_mem_writes): Use it.
11025
11026 2016-04-20  Richard Biener  <rguenther@suse.de>
11027
11028         PR tree-optimization/70726
11029         * tree-vect-stmts.c (vectorizable_shift): Do not use scalar
11030         shift amounts from a pattern stmt operand.
11031
11032 2016-04-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11033
11034         PR target/70674
11035         * config/s390/s390.c (s390_restore_gprs_from_fprs): Pick the new
11036         stack_restore_from_fpr pattern when restoring r15.
11037         (s390_optimize_prologue): Strip away the memory barrier in the
11038         parallel when trying to get rid of restore insns.
11039         * config/s390/s390.md ("stack_restore_from_fpr"): New insn
11040         definition for loading the stack pointer from an FPR.  Compared to
11041         the normal move insn this pattern includes a full memory barrier.
11042
11043 2016-04-19  Jakub Jelinek  <jakub@redhat.com>
11044
11045         PR middle-end/70680
11046         * gimplify.c (gimplify_omp_for): Call omp_notice_variable for
11047         implicitly linear or lastprivate iterator on the outer context.
11048
11049 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
11050
11051         * config/i386/i386.c (ix86_legitimate_combined_insn): Remove
11052         alignment check.
11053         * config/i386/i386.md (ssememalign): Removed.
11054         * config/i386/sse.md: Remove ssememalign attribute from patterns.
11055
11056 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
11057
11058         PR target/69201
11059         * config/i386/avx512bwintrin.h (_mm512_mask_loadu_epi16): Pass
11060         const short * to __builtin_ia32_loaddquhi512_mask.
11061         (_mm512_maskz_loadu_epi16): Likewise.
11062         (_mm512_mask_storeu_epi16): Pass short * to
11063         __builtin_ia32_storedquhi512_mask.
11064         (_mm512_mask_loadu_epi8): Pass const char * to
11065         __builtin_ia32_loaddquqi512_mask.
11066         (_mm512_maskz_loadu_epi8): Likewise.
11067         (_mm512_mask_storeu_epi8): Pass char * to
11068         __builtin_ia32_storedquqi512_mask.
11069         * config/i386/avx512fintrin.h (_mm512_loadu_pd): Pass
11070         const double * to __builtin_ia32_loadupd512_mask.
11071         (_mm512_mask_loadu_pd): Likewise.
11072         (_mm512_maskz_loadu_pd): Likewise.
11073         (_mm512_storeu_pd): Pass double * to
11074         __builtin_ia32_storeupd512_mask.
11075         (_mm512_mask_storeu_pd): Likewise.
11076         (_mm512_loadu_ps): Pass const float * to
11077         __builtin_ia32_loadups512_mask.
11078         (_mm512_mask_loadu_ps): Likewise.
11079         (_mm512_maskz_loadu_ps): Likewise.
11080         (_mm512_storeu_ps): Pass float * to
11081         __builtin_ia32_storeups512_mask.
11082         (_mm512_mask_storeu_ps): Likewise.
11083         (_mm512_mask_loadu_epi64): Pass const long long * to
11084         __builtin_ia32_loaddqudi512_mask.
11085         (_mm512_maskz_loadu_epi64): Likewise.
11086         (_mm512_mask_storeu_epi64): Pass long long *
11087         to __builtin_ia32_storedqudi512_mask.
11088         (_mm512_loadu_si512): Pass const int * to
11089         __builtin_ia32_loaddqusi512_mask.
11090         (_mm512_mask_loadu_epi32): Likewise.
11091         (_mm512_maskz_loadu_epi32): Likewise.
11092         (_mm512_storeu_si512): Pass int * to
11093         __builtin_ia32_storedqusi512_mask.
11094         (_mm512_mask_storeu_epi32): Likewise.
11095         * config/i386/avx512vlbwintrin.h (_mm256_mask_storeu_epi8): Pass
11096         char * to __builtin_ia32_storedquqi256_mask.
11097         (_mm_mask_storeu_epi8): Likewise.
11098         (_mm256_mask_loadu_epi16): Pass const short * to
11099         __builtin_ia32_loaddquhi256_mask.
11100         (_mm256_maskz_loadu_epi16): Likewise.
11101         (_mm_mask_loadu_epi16): Pass const short * to
11102         __builtin_ia32_loaddquhi128_mask.
11103         (_mm_maskz_loadu_epi16): Likewise.
11104         (_mm256_mask_loadu_epi8): Pass const char * to
11105         __builtin_ia32_loaddquqi256_mask.
11106         (_mm256_maskz_loadu_epi8): Likewise.
11107         (_mm_mask_loadu_epi8): Pass const char * to
11108         __builtin_ia32_loaddquqi128_mask.
11109         (_mm_maskz_loadu_epi8): Likewise.
11110         (_mm256_mask_storeu_epi16): Pass short * to.
11111         __builtin_ia32_storedquhi256_mask.
11112         (_mm_mask_storeu_epi16): Pass short * to.
11113         __builtin_ia32_storedquhi128_mask.
11114         * config/i386/avx512vlintrin.h (_mm256_mask_loadu_pd): Pass
11115         const double * to __builtin_ia32_loadupd256_mask.
11116         (_mm256_maskz_loadu_pd): Likewise.
11117         (_mm_mask_loadu_pd): Pass onst double * to
11118         __builtin_ia32_loadupd128_mask.
11119         (_mm_maskz_loadu_pd): Likewise.
11120         (_mm256_mask_storeu_pd): Pass double * to
11121         __builtin_ia32_storeupd256_mask.
11122         (_mm_mask_storeu_pd): Pass double * to
11123         __builtin_ia32_storeupd128_mask.
11124         (_mm256_mask_loadu_ps): Pass const float * to
11125         __builtin_ia32_loadups256_mask.
11126         (_mm256_maskz_loadu_ps): Likewise.
11127         (_mm_mask_loadu_ps): Pass const float * to
11128         __builtin_ia32_loadups128_mask.
11129         (_mm_maskz_loadu_ps): Likewise.
11130         (_mm256_mask_storeu_ps): Pass float * to
11131         __builtin_ia32_storeups256_mask.
11132         (_mm_mask_storeu_ps): ass float * to
11133         __builtin_ia32_storeups128_mask.
11134         (_mm256_mask_loadu_epi64): Pass const long long * to
11135         __builtin_ia32_loaddqudi256_mask.
11136         (_mm256_maskz_loadu_epi64): Likewise.
11137         (_mm_mask_loadu_epi64): Pass const long long * to
11138         __builtin_ia32_loaddqudi128_mask.
11139         (_mm_maskz_loadu_epi64): Likewise.
11140         (_mm256_mask_storeu_epi64): Pass long long * to
11141         __builtin_ia32_storedqudi256_mask.
11142         (_mm_mask_storeu_epi64): Pass long long * to
11143         __builtin_ia32_storedqudi128_mask.
11144         (_mm256_mask_loadu_epi32): Pass const int * to
11145         __builtin_ia32_loaddqusi256_mask.
11146         (_mm256_maskz_loadu_epi32): Likewise.
11147         (_mm_mask_loadu_epi32): Pass const int * to
11148         __builtin_ia32_loaddqusi128_mask.
11149         (_mm_maskz_loadu_epi32): Likewise.
11150         (_mm256_mask_storeu_epi32): Pass int * to
11151         __builtin_ia32_storedqusi256_mask.
11152         (_mm_mask_storeu_epi32): Pass int * to
11153         __builtin_ia32_storedqusi128_mask.
11154         * config/i386/i386-builtin-types.def (PCSHORT): New.
11155         (PINT64): Likewise.
11156         (V64QI_FTYPE_PCCHAR_V64QI_UDI): Likewise.
11157         (V32HI_FTYPE_PCSHORT_V32HI_USI): Likewise.
11158         (V32QI_FTYPE_PCCHAR_V32QI_USI): Likewise.
11159         (V16SF_FTYPE_PCFLOAT_V16SF_UHI): Likewise.
11160         (V8DF_FTYPE_PCDOUBLE_V8DF_UQI): Likewise.
11161         (V16SI_FTYPE_PCINT_V16SI_UHI): Likewise.
11162         (V16HI_FTYPE_PCSHORT_V16HI_UHI): Likewise.
11163         (V16QI_FTYPE_PCCHAR_V16QI_UHI): Likewise.
11164         (V8SF_FTYPE_PCFLOAT_V8SF_UQI): Likewise.
11165         (V8DI_FTYPE_PCINT64_V8DI_UQI): Likewise.
11166         (V8SI_FTYPE_PCINT_V8SI_UQI): Likewise.
11167         (V8HI_FTYPE_PCSHORT_V8HI_UQI): Likewise.
11168         (V4DF_FTYPE_PCDOUBLE_V4DF_UQI): Likewise.
11169         (V4SF_FTYPE_PCFLOAT_V4SF_UQI): Likewise.
11170         (V4DI_FTYPE_PCINT64_V4DI_UQI): Likewise.
11171         (V4SI_FTYPE_PCINT_V4SI_UQI): Likewise.
11172         (V2DF_FTYPE_PCDOUBLE_V2DF_UQI): Likewise.
11173         (V2DI_FTYPE_PCINT64_V2DI_UQI): Likewise.
11174         (VOID_FTYPE_PDOUBLE_V8DF_UQI): Likewise.
11175         (VOID_FTYPE_PDOUBLE_V4DF_UQI): Likewise.
11176         (VOID_FTYPE_PDOUBLE_V2DF_UQI): Likewise.
11177         (VOID_FTYPE_PFLOAT_V16SF_UHI): Likewise.
11178         (VOID_FTYPE_PFLOAT_V8SF_UQI): Likewise.
11179         (VOID_FTYPE_PFLOAT_V4SF_UQI): Likewise.
11180         (VOID_FTYPE_PINT64_V8DI_UQI): Likewise.
11181         (VOID_FTYPE_PINT64_V4DI_UQI): Likewise.
11182         (VOID_FTYPE_PINT64_V2DI_UQI): Likewise.
11183         (VOID_FTYPE_PINT_V16SI_UHI): Likewise.
11184         (VOID_FTYPE_PINT_V8SI_UHI): Likewise.
11185         (VOID_FTYPE_PINT_V4SI_UHI): Likewise.
11186         (VOID_FTYPE_PSHORT_V32HI_USI): Likewise.
11187         (VOID_FTYPE_PSHORT_V16HI_UHI): Likewise.
11188         (VOID_FTYPE_PSHORT_V8HI_UQI): Likewise.
11189         (VOID_FTYPE_PCHAR_V64QI_UDI): Likewise.
11190         (VOID_FTYPE_PCHAR_V32QI_USI): Likewise.
11191         (VOID_FTYPE_PCHAR_V16QI_UHI): Likewise.
11192         (V64QI_FTYPE_PCV64QI_V64QI_UDI): Removed.
11193         (V32HI_FTYPE_PCV32HI_V32HI_USI): Likewise.
11194         (V32QI_FTYPE_PCV32QI_V32QI_USI): Likewise.
11195         (V16HI_FTYPE_PCV16HI_V16HI_UHI): Likewise.
11196         (V16QI_FTYPE_PCV16QI_V16QI_UHI): Likewise.
11197         (V8HI_FTYPE_PCV8HI_V8HI_UQI): Likewise.
11198         (VOID_FTYPE_PV32HI_V32HI_USI): Likewise.
11199         (VOID_FTYPE_PV16HI_V16HI_UHI): Likewise.
11200         (VOID_FTYPE_PV8HI_V8HI_UQI): Likewise.
11201         (VOID_FTYPE_PV64QI_V64QI_UDI): Likewise.
11202         (VOID_FTYPE_PV32QI_V32QI_USI): Likewise.
11203         (VOID_FTYPE_PV16QI_V16QI_UHI): Likewise.
11204         * config/i386/i386.c (ix86_emit_save_reg_using_mov): Don't
11205         use UNSPEC_STOREU.
11206         (ix86_emit_restore_sse_regs_using_mov): Don't use UNSPEC_LOADU.
11207         (ix86_avx256_split_vector_move_misalign): Don't use unaligned
11208         load nor store.
11209         (ix86_expand_vector_move_misalign): Likewise.
11210         (bdesc_special_args): Use CODE_FOR_movvNXY_internal and pointer
11211         to scalar function prototype for unaligned load/store builtins.
11212         (ix86_expand_special_args_builtin): Updated.
11213         * config/i386/sse.md (UNSPEC_LOADU): Removed.
11214         (UNSPEC_STOREU): Likewise.
11215         (VI_ULOADSTORE_BW_AVX512VL): Likewise.
11216         (VI_ULOADSTORE_F_AVX512VL): Likewise.
11217         (ssescalarsize): Handle V4TI, V2TI and V1TI.
11218         (<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
11219         (*<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
11220         (<sse>_storeu<ssemodesuffix><avxsizesuffix>): Likewise.
11221         (<avx512>_storeu<ssemodesuffix><avxsizesuffix>_mask): Likewise.
11222         (<sse2_avx_avx512f>_loaddqu<mode><mask_name>): Likewise.
11223         (*<sse2_avx_avx512f>_loaddqu<mode><mask_name>"): Likewise.
11224         (sse2_avx_avx512f>_storedqu<mode>): Likewise.
11225         (<avx512>_storedqu<mode>_mask): Likewise.
11226         (*sse4_2_pcmpestr_unaligned): Likewise.
11227         (*sse4_2_pcmpistr_unaligned): Likewise.
11228         (*mov<mode>_internal): Renamed to ...
11229         (mov<mode>_internal): This.  Remove check of AVX and IAMCU on
11230         misaligned operand.  Replace vmovdqu64 with vmovdqu<ssescalarsize>.
11231         (movsd/movhpd to movupd peephole): Don't use UNSPEC_LOADU.
11232         (movlpd/movhpd to movupd peephole): Don't use UNSPEC_STOREU.
11233
11234 2016-04-19  Richard Biener  <rguenther@suse.de>
11235
11236         PR tree-optimization/70171
11237         * tree-ssa-phiprop.c: Include stor-layout.h.
11238         (phiprop_insert_phi): Handle the aggregate copy case.
11239         (propagate_with_phi): Likewise.
11240
11241 2016-04-19  Uros Bizjak  <ubizjak@gmail.com>
11242
11243         * config/i386/i386.c (ix86_decompose_address): Use lowpart_subreg
11244         instead of simplify_gen_subreg (... , 0).
11245         (ix86_delegitimize_address): Ditto.
11246         (ix86_split_divmod): Ditto.
11247         (ix86_split_copysign_const): Ditto.
11248         (ix86_split_copysign_var): Ditto.
11249         (ix86_expand_args_builtin): Ditto.
11250         (ix86_expand_round_builtin): Ditto.
11251         (ix86_expand_special_args_builtin): Ditto.
11252         * config/i386/i386.md (TARGET_USE_VECTOR_FP_CONVERTS splitters): Ditto.
11253         (TARGET_SSE_PARTIAL_REG_DEPENDENCY splitters and peephole2s): Ditto.
11254         (udivmodqi4): Ditto.
11255         (absneg splitters): Ditto.
11256         (*jcc_bt<mode>_1): Ditto.
11257
11258 2016-04-19  Richard Biener  <rguenther@suse.de>
11259
11260         PR tree-optimization/70724
11261         * tree-ssa-sccvn.c (scc_vn_restore_ssa_info): Split SSA info
11262         restoring out from ...
11263         (free_scc_vn): ... here.
11264         * tree-ssa-sccvn.h (scc_vn_restore_ssa_info): Declare.
11265         * tres-ssa-pre.c (pass_pre::execute): Restore SSA info before
11266         tail merging.
11267         (pass_fre::execute): Restore SSA info.
11268
11269 2016-04-19  Richard Biener  <rguenther@suse.de>
11270
11271         * gimple-walk.h (struct walk_stmt_info): Add stmt member.
11272         * gimple-walk.c (walk_gimple_op): Initialize it.
11273         (walk_gimple_asm): Set wi->is_lhs before each callback invocation.
11274         * tree-inline.c (remap_gimple_op_r): Set SSA_NAME_DEF_STMT when
11275         remapping SSA names of defs.
11276         (copy_bb): Remove walk over all SSA defs and SSA_NAME_DEF_STMT
11277         adjustment.
11278
11279 2016-04-18  Vladimir Makarov  <vmakarov@redhat.com>
11280
11281         PR middle-end/70689
11282         * lra-constraints.c (equiv_substition_p): New.
11283         (process_alt_operands): Use it.
11284         (swap_operands): Swap it.
11285         (curr_insn_transform): Update it.
11286
11287 2016-04-18  Michael Matz  <matz@suse.de>
11288
11289         * tree.h (TYPE_ALIGN, DECL_ALIGN): Return shifted amount.
11290         (SET_TYPE_ALIGN, SET_DECL_ALIGN): New.
11291         * tree-core.h (tree_type_common.align): Use bit-field.
11292         (tree_type_common.spare): New.
11293         (tree_decl_common.off_align): Make smaller.
11294         (tree_decl_common.align): Use bit-field.
11295
11296         * expr.c (expand_expr_addr_expr_1): Use SET_TYPE_ALIGN.
11297         * omp-low.c (install_var_field): Use SET_DECL_ALIGN.
11298         (scan_sharing_clauses): Ditto.
11299         (finish_taskreg_scan): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
11300         (omp_finish_file): Ditto.
11301         * stor-layout.c (do_type_align): Use SET_DECL_ALIGN.
11302         (layout_decl): Ditto.
11303         (relayout_decl): Ditto.
11304         (finalize_record_size): Use SET_TYPE_ALIGN.
11305         (finalize_type_size): Ditto.
11306         (finish_builtin_struct): Ditto.
11307         (layout_type): Ditto.
11308         (initialize_sizetypes): Ditto.
11309         * targhooks.c (std_gimplify_va_arg_expr): Use SET_TYPE_ALIGN.
11310         * tree-nested.c (insert_field_into_struct): Use SET_TYPE_ALIGN.
11311         (lookup_field_for_decl): Use SET_DECL_ALIGN.
11312         (get_chain_field): Ditto.
11313         (get_trampoline_type): Ditto.
11314         (get_nl_goto_field): Ditto.
11315         * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
11316         SET_DECL_ALIGN.
11317         (unpack_ts_type_common_value_fields): Use SET_TYPE_ALIGN.
11318         * gimple-expr.c (copy_var_decl): Use SET_DECL_ALIGN.
11319         * tree.c (make_node_stat): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
11320         (build_qualified_type): Use SET_TYPE_ALIGN.
11321         (build_aligned_type, build_range_type_1): Ditto.
11322         (build_atomic_base): Ditto.
11323         (build_common_tree_nodes): Ditto.
11324         * cfgexpand.c (align_local_variable): Use SET_DECL_ALIGN.
11325         (expand_one_stack_var_at): Ditto.
11326         * coverage.c (build_var): Use SET_DECL_ALIGN.
11327         * except.c (init_eh): Ditto.
11328         * function.c (assign_parm_setup_block): Ditto.
11329         * symtab.c (increase_alignment_1): Ditto.
11330         * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Ditto.
11331         * tree-vect-stmts.c (ensure_base_align): Ditto.
11332         * varasm.c (align_variable): Ditto.
11333         (assemble_variable): Ditto.
11334         (build_constant_desc): Ditto.
11335         (output_constant_def_contents): Ditto.
11336
11337         * config/arm/arm.c (arm_relayout_function): Use SET_DECL_ALIGN.
11338         * config/avr/avr.c (avr_adjust_type_node): Use SET_TYPE_ALIGN.
11339         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): Ditto.
11340         * config/msp430/msp430.c (msp430_gimplify_va_arg_expr): Ditto.
11341         * config/spu/spu.c (spu_build_builtin_va_list): Use SET_DECL_ALIGN.
11342
11343 2016-04-18  H.J. Lu  <hongjiu.lu@intel.com>
11344
11345         PR target/70708
11346         * config/i386/sse.md (sse2_loadlpd): Accept load from "xm" and
11347         replace %vmovsd with "%vmovq".
11348         (vec_concatv2df): Likewise.
11349
11350 2016-04-18  Uros Bizjak  <ubizjak@gmail.com>
11351
11352         * config/i386/mmx.md (*vec_extractv2sf_0): Use gen_lowpart.
11353         (*vec_extractv2si_0): Ditto.
11354         * config/i386/sse.md (*vec_extractv4sf_0): Ditto.
11355         (zero_extended_scalar_load_operand splitters): Ditto.
11356         (vec_extract splitters): Ditto.
11357         (*vec_extractv4si_0_zext): Ditto.
11358         (avx_<castmode><avxsizesuffix>_<castmode>): Use gen_lowpart
11359         and lowpart_subreg.
11360         (avx512f_<castmode><avxsizesuffix>_<castmode>): Ditto.
11361         (avx512f_<castmode><avxsizesuffix>_256<castmode>): Ditto.
11362         (*sse4_1_extractps): Use lowpart_subreg.
11363         * config/i386/i386.md (x87 floatsplitter): Use gen_lowpart.
11364
11365 2016-04-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
11366
11367         * doc/install.texi (Specific, i?86-*-solaris2.10): Update gas and
11368         gld requirements.
11369         (Specific, *-*-solaris2*): Update Solaris 11 bundled gcc versions.
11370         Mention Solaris 11 packaging changes.
11371         Update gas and gld requirements.
11372         Remove reference to pre-Solaris 10 bug.
11373         (Specific, sparc-sun-solaris2*): Remove reference to pre-Solaris 10
11374         systems and bugs.
11375         (Specific, sparc64-*-solaris2*): Remove reference to bootstrap
11376         with cc.
11377
11378 2016-04-17  Jan Hubicka  <jh@suse.cz>
11379
11380         * tree-ssa-loop-ivopts.c (avg_loop_niter): Use also
11381         max_loop_iterations_int.
11382
11383 2016-04-18  Richard Biener  <rguenther@suse.de>
11384
11385         PR tree-optimization/43434
11386         * tree-ssa-structalias.c (struct vls_data): New.
11387         (visit_loadstore): Handle all pointer-based accesses.
11388         (compute_dependence_clique): Compute a bitmap of restrict tags
11389         assigned bases and pass it to visit_loadstore.
11390
11391 2016-04-18  Matthew Wahab  <matthew.wahab@arm.com>
11392
11393         PR target/70711
11394         * config/arm/bpabi.h (BE8_LINK_SPEC): Add entries for armv8+crc,
11395         armv8.1-a and armv8.1-a+crc.
11396
11397 2016-04-18  Richard Biener  <rguenther@suse.de>
11398
11399         PR tree-optimization/70701
11400         * tree-ssa-sccvn.c (vn_reference_lookup_3): Resolve fully constant
11401         references after translating through a memcpy.
11402
11403 2016-04-18  Richard Biener  <rguenther@suse.de>
11404
11405         * tree-ssa-pre.c (postorder, postorder_num): Make locals ...
11406         (compute_antic): ... here.  For partial antic use regular
11407         postorder and scrap iteration.
11408         (compute_partial_antic_aux): Remove unused return value.
11409         (init_pre): Do not allocate postorder.
11410         (fini_pre): Do not free postorder.
11411
11412 2016-04-18  Richard Biener  <rguenther@suse.de>
11413
11414         PR middle-end/37870
11415         * expmed.c (extract_bit_field_1): Remove broken case
11416         using a wider MODE_INT mode.
11417
11418 2016-04-18  Segher Boessenkool  <segher@kernel.crashing.org>
11419
11420         * has-brig.c (lendian16): Don't try to use __builtin_bswap16
11421         unless compiling with at least GCC-4.8.
11422
11423 2016-04-17  Jan Hubicka  <jh@suse.cz>
11424
11425         PR bootstrap/70706
11426         * graphite.c (graphite_finalize): Update call to
11427         tree_estimate_probability.
11428         * predict.h (tree_estimate_probability): Update prototype.
11429
11430 2016-04-17  Jan Hubicka  <jh@suse.cz>
11431
11432         * predict.c (combine_predictions_for_bb): Add dry_run parmaeter.
11433         (tree_estimate_probability): Likewise.
11434         (pass_profile::execute): Update.
11435         (report_predictor_hitrates): New function.
11436         * profile.c (compute_branch_probabilities): Use it.
11437         * predict.h (report_predictor_hitrates): Declare.
11438
11439 2016-04-17  Jan Hubicka  <jh@suse.cz>
11440
11441         PR ipa/70018
11442         * cgraph.h (cgraph_node::set_const_flag,
11443         cgraph_node::set_pure_flag): Update prototype to return bool;
11444         update comment.
11445         * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases): Thunks
11446         of interposable symbol are interposable, too.
11447         (cgraph_set_const_flag_1): Rename to ...
11448         (set_const_flag_1): ... this one; change to self recursive function
11449         instead of call_for_symbol_thunks_and_aliases. Handle correctly
11450         clearnig the flag in all variants and also virtual thunks of const
11451         functions are pure; track if any change was done.
11452         (cgraph_node::set_const_flag): Update.
11453         (struct set_pure_flag_info): New struct.
11454         (cgraph_set_pure_flag_1): Rename to ...
11455         (set_pure_flag_1): ... this one; take set_pure_flag_info parameter
11456         rather than pointer encoded flags; track if any changes was done;
11457         handle correctly clearning flag and setting flag of aliases already
11458         declared const.
11459         (cgraph_node::set_pure_flag): Update.
11460         (cgraph_node::set_nothrow_flag): Handle correctly clearning the flag.
11461
11462 2016-04-17  Tom de Vries  <tom@codesourcery.com>
11463
11464         PR other/70433
11465         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Escape
11466         backslash in label.
11467
11468 2016-04-17  Tom de Vries  <tom@codesourcery.com>
11469
11470         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Classify chars
11471         '{}<> ' as escape-for-record.
11472
11473 2016-04-17  Tom de Vries  <tom@codesourcery.com>
11474
11475         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Simplify loop
11476         structure.
11477
11478 2016-04-17  Tom de Vries  <tom@codesourcery.com>
11479
11480         PR other/70185
11481         * tree-pass.h (class opt_pass): Remove graph_dump_initialized member.
11482         * dumpfile.h (struct dump_file_info): Add graph_dump_initialized field.
11483         * dumpfile.c (dump_files): Initialize graph_dump_initialized field.
11484         * passes.c (finish_optimization_passes): Only call
11485         finish_graph_dump_file if dfi->graph_dump_initialized.
11486         (execute_function_dump, pass_init_dump_file): Use
11487         dfi->graph_dump_initialized instead of pass->graph_dump_initialized.
11488
11489 2016-04-17  Tom de Vries  <tom@codesourcery.com>
11490
11491         PR tree-optimization/70256
11492         * tree-ssa-structalias.c (dump_varinfo, debug_varinfo, dump_varmap)
11493         (debug_varmap): New function.
11494
11495 2016-04-17  Tom de Vries  <tom@codesourcery.com>
11496
11497         PR other/70183
11498         * passes.c (pass_manager::register_pass): Propagate pflags.
11499
11500 2016-04-17  Tom de Vries  <tom@codesourcery.com>
11501
11502         PR other/68875
11503         * pass_manager.h (TERMINATE_PASS_LIST): Add pass argument.
11504         * passes.c (pass_manager::pass_manager): Declare and init p_start in
11505         INSERT_PASSES_AFTER.  Add pass parameter to TERMINATE_PASS_LIST, and
11506         check if it's equal to p_start.
11507         * passes.def: Add arguments to TERMINATE_PASS_LISTs.
11508
11509 2016-04-15  Jan Hubicka  <jh@suse.cz>
11510
11511         PR ipa/70018
11512         * cgraph.c (cgraph_set_const_flag_1): Only set as pure if
11513         function does not bind to current def.
11514         * ipa-pure-const.c (worse_state): Add FROM and TO parameters;
11515         handle conservatively calls to functions that does not need to bind
11516         to current def.
11517         (check_call): Update call of worse_state.
11518         (ignore_edge_for_nothrow): Update.
11519         (ignore_edge_for_pure_const): Likewise.
11520         (propagate_pure_const): Update calls to worse_state.
11521         (skip_function_for_local_pure_const): Reformat comments.
11522
11523 2016-04-15  Jan Hubicka  <jh@suse.cz>
11524
11525         PR ipa/70018
11526         * cgraph.c (cgraph_node::get_availability): Add REF parameter.
11527         (cgraph_node::function_symbol): Likewise.
11528         (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
11529         * cgraph.h (symtab_node::get_availabbility): Add REF parameter.
11530         (symtab_node::ultimate_alias_target): Add REF parameter.
11531         (symtab_node::binds_to_current_def_p): Declare.
11532         (symtab_node;:ultimate_alias_target_1): Add REF parameter.
11533         (cgraph_node::function_symbol): Likewise.
11534         (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
11535         (cgraph_node::get_availability): Likewise.
11536         (cgraph_edge::binds_to_current_def_p): New inline function.
11537         (varpool_node::get_availability): Add REF parameter.
11538         (varpool_node::ultimate_alias_target): Likewise.
11539         * symtab.c (symtab_node::ultimate_alias_target_1): Likewise.
11540         (symtab_node::binds_to_current_def_p): Likewise.
11541         * varpool.c (varpool_node::get_availability): Likewise.
11542
11543 2016-04-15  Kirill Yukhin  <kirill.yukhin@intel.com>
11544
11545         PR target/70662
11546         * config/i386/sse.md(define_insn "<avx512>_vec_dup<mode><mask_name>"):
11547         Fix mode size check.
11548
11549 2016-04-15  Jakub Jelinek  <jakub@redhat.com>
11550
11551         * BASE-VER: Set to 7.0.0.
11552
11553 2016-04-15  Alexander Monakov  <amonakov@ispras.ru>
11554
11555         * config/nvptx/nvptx.opt (moptimize): Add a period at end of help text.
11556
11557 2016-04-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11558
11559         * doc/invoke.texi (ARM Options): Add note on deprecation of pre-ARMv4T
11560         architecture revisions.
11561
11562 2016-04-15  Bernd Schmidt  <bschmidt@redhat.com>
11563
11564         * config/i386/i386-protos.h (ix86_using_red_zone): Declare.
11565         * config/i386/i386.c (ix86_using_red_zone): No longer static.
11566         * config/i386/i386.md (stack decrement to push peepholes): Guard
11567         with !x86_using_red_zone ().
11568
11569 2016-04-15  Jakub Jelinek  <jakub@redhat.com>
11570
11571         PR c++/70675
11572         * tree-pretty-print.c (do_niy): Add FLAGS argument, pass it down
11573         to dump_generic_node.
11574         (NIY): Pass also flags to do_niy.
11575
11576 2016-04-15  Thomas Schwinge  <thomas@codesourcery.com>
11577
11578         * omp-low.c (simd_clone_struct_alloc, simd_clone_struct_copy)
11579         (simd_clone_vector_of_formal_parm_types)
11580         (simd_clone_clauses_extract, simd_clone_compute_base_data_type)
11581         (simd_clone_mangle, simd_clone_create)
11582         (simd_clone_adjust_return_type, create_tmp_simd_array)
11583         (simd_clone_adjust_argument_types, simd_clone_init_simd_arrays)
11584         (struct modify_stmt_info, ipa_simd_modify_stmt_ops)
11585         (ipa_simd_modify_function_body, simd_clone_linear_addend)
11586         (simd_clone_adjust, expand_simd_clones, ipa_omp_simd_clone)
11587         (pass_data_omp_simd_clone, class pass_omp_simd_clone)
11588         (pass_omp_simd_clone::gate, make_pass_omp_simd_clone): Move into...
11589         * omp-simd-clone.c: ... this new file.
11590         (simd_clone_vector_of_formal_parm_types): Make it static.
11591         * Makefile.in (OBJS): Add omp-simd-clone.o.
11592
11593 2016-04-15  Kirill Yukhin  <kirill.yukhin@intel.com>
11594
11595         PR target/70662
11596         * config/i386/sse.md: Use proper memory operand modifiers.
11597
11598
11599 2016-04-15  Richard Biener  <rguenther@suse.de>
11600         Alan Modra  <amodra@gmail.com>
11601
11602         PR tree-optimization/70130
11603         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Detect
11604         when alignment stays not the same and no not use the realign
11605         scheme then.
11606
11607 2016-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
11608
11609         PR target/70669
11610         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
11611         direct move handlers for KFmode. Change TFmode handlers test from
11612         FLOAT128_IEEE_P to FLOAT128_VECTOR_P.
11613
11614 2016-04-14  Jakub Jelinek  <jakub@redhat.com>
11615
11616         PR c++/70594
11617         * ipa-utils.h (polymorphic_ctor_dtor_p): New prototype.
11618         * ipa-polymorphic-call.c (polymorphic_ctor_dtor_p): New function.
11619         (inlined_polymorphic_ctor_dtor_block_p): Use it.
11620         * tree-ssa-live.c (remove_unused_scope_block_p): When
11621         in_ctor_dtor_block, avoid discarding not just BLOCKs with
11622         BLOCK_ABSTRACT_ORIGIN being FUNCTION_DECL, but even when
11623         block_ultimate_origin is FUNCTION_DECL.
11624         (remove_unused_locals): If current_function_decl is
11625         polymorphic_ctor_dtor_p, pass initial true to
11626         remove_unused_scope_block_p' is_ctor_dtor_block.
11627
11628 2016-04-14  Martin Sebor  <msebor@redhat.com>
11629
11630         PR c++/69517
11631         PR c++/70019
11632         PR c++/70588
11633         * doc/extend.texi (Variable Length): Revert.
11634
11635 2016-04-14  Marek Polacek  <polacek@redhat.com>
11636             Jan Hubicka  <hubicka@ucw.cz>
11637
11638         PR c++/70029
11639         * tree.c (verify_type): Disable the canonical type of main variant
11640         check.
11641
11642 2016-04-14  Jason Merrill  <jason@redhat.com>
11643
11644         * cfgexpand.c, expr.c: Revert previous change.
11645
11646 2016-04-14  Cesar Philippidis  <cesar@codesourcery.com>
11647
11648         PR middle-end/70643
11649         * omp-low.c (lower_oacc_reductions): Check for TREE_CONSTANT
11650         when building a mem ref for the incoming reduction variable.
11651
11652 2016-04-14  Richard Biener  <rguenther@suse.de>
11653
11654         PR tree-optimization/70614
11655         * tree-scalar-evolution.c (analyze_evolution_in_loop): Terminate
11656         loop if the evolution dropped to chrec_dont_know.
11657         (interpret_condition_phi): Likewise.
11658
11659 2016-04-14  Richard Biener  <rguenther@suse.de>
11660
11661         PR tree-optimization/70623
11662         * tree-ssa-pre.c (changed_blocks): Make global ...
11663         (compute_antic): ... local here.  Move and fix worklist
11664         handling here.  Do not clear EDGE_DFS_BACK or call mark_dfs_back_edges.
11665         (compute_antic_aux): Add dumping for MAX assumed succs.  Remove
11666         worklist handling, dump when ANTIC_IN changed.
11667         (compute_partial_antic_aux): Remove worklist handling.
11668         (init_pre): Do not compute post dominators.  Add a comment about
11669         the CFG order chosen.
11670         (fini_pre): Do not free post dominators.
11671
11672 2016-04-13  Martin Sebor  <msebor@redhat.com>
11673
11674         PR c++/69517
11675         PR c++/70019
11676         PR c++/70588
11677         * doc/extend.texi (Variable Length): Document C++ specifics.
11678
11679 2016-04-13  Jakub Jelinek  <jakub@redhat.com>
11680
11681         PR c++/70641
11682         * ipa-pure-const.c (pass_nothrow::execute): Call maybe_clean_eh_stmt
11683         on all recursive call stmts.  Return TODO_cleanup_cfg if any dead
11684         eh edges have been purged.
11685
11686         PR c++/70594
11687         * tree-sra.c (create_access_replacement,
11688         get_replaced_param_substitute): Set DECL_NAMELESS on repl if it
11689         gets fancy name.
11690         * tree-pretty-print.c (dump_fancy_name): New function.
11691         (dump_decl_name, dump_generic_node): Use it.
11692
11693 2016-04-13  Jason Merrill  <jason@redhat.com>
11694
11695         * cfgexpand.c (pass_expand::execute): Handle attribute "abi warning".
11696         * expr.c (expand_expr_real_1): Likewise.
11697
11698 2016-04-13  Ilya Enkovich  <ilya.enkovich@intel.com>
11699
11700         * config/i386/i386.md (kunpckhi): Swap operands.
11701         (kunpcksi): Likewise.
11702         (kunpckdi): Likewise.
11703         * config/i386/sse.md (vec_pack_trunc_qi): Likewise.
11704         (vec_pack_trunc_<mode>): Likewise.
11705
11706 2016-04-13  Jakub Jelinek  <jakub@redhat.com>
11707
11708         PR debug/70628
11709         * explow.c (convert_memory_address_addr_space_1): Formatting fix.
11710
11711         PR middle-end/70633
11712         * gimplify.c (gimplify_init_constructor): Clear TREE_STATIC if
11713         gimplification turns some element into non-constant.
11714
11715         PR debug/70628
11716         * rtl.h (convert_memory_address_addr_space_1): New prototype.
11717         * explow.c (convert_memory_address_addr_space_1): No longer static,
11718         add NO_EMIT argument and don't call convert_modes if true, pass
11719         it down recursively, remove break after return.
11720         (convert_memory_address_addr_space): Adjust caller.
11721         * simplify-rtx.c (simplify_unary_operation_1): Call
11722         convert_memory_address_addr_space_1 instead of convert_memory_address,
11723         if it returns NULL, don't simplify.
11724
11725 2016-04-12  Eric Botcazou  <ebotcazou@adacore.com>
11726
11727         PR target/70630
11728         * config/sparc/sparc.c (sparc_compute_frame_size): Add parentheses.
11729
11730 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
11731
11732         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
11733         Bump the upper SIMDLEN limits, so that if the return type or
11734         characteristic type if the return type is void can be passed in
11735         all available SSE2/AVX/AVX2/AVX512-F registers, the SIMDLEN is
11736         allowed.
11737
11738 2016-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
11739
11740         PR target/70640
11741         * config/rs6000/rs6000.md (ieee_128bit_vsx_neg<mode>2_internal):
11742         Do not use "=" constraint on an input constraint.
11743         (ieee_128bit_vsx_abs<mode>2_internal): Likewise.
11744         (ieee_128bit_vsx_nabs<mode>2_internal): Likewise.
11745         (ieee_128bit_vsx_nabs<mode>2): Correct splitter so that it
11746         generates (neg (abs ...)) instead of (abs ...).
11747
11748 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
11749
11750         PR rtl-optimization/70596
11751         * lra-spills.c (spill_pseudos): Don't delete debug insns, instead
11752         just invalidate LRA data and reset them.  Adjust dump wording.
11753
11754 2016-04-12  Martin Liska  <mliska@suse.cz>
11755
11756         Revert
11757         2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
11758
11759         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
11760         estimates here.
11761         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
11762         max_loop_iterations_int.
11763         (tree_unswitch_outer_loop): Likewise.
11764         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
11765         * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
11766
11767 2016-04-12  Tom de Vries  <tom@codesourcery.com>
11768
11769         PR tree-optimization/68756
11770         * graphite-isl-ast-to-gimple.c (copy_cond_phi_args): Use new_expr
11771         instead of new_name.
11772
11773 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
11774
11775         PR tree-optimization/70602
11776         * tree-sra.c (generate_subtree_copies): Don't write anything into
11777         constant pool decls.
11778
11779         * omp-low.c (lower_omp_target): Use GOMP_MAP_FIRSTPRIVATE_INT
11780         regardless whether there are depend clauses or not.
11781
11782 2016-04-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
11783
11784         PR target/70381
11785         * config/rs6000/rs6000.c (rs6000_opt_masks): Disable using the
11786         target attribute and pragma from changing the -mfloat128
11787         and -mfloat128-hardware options.
11788
11789         * doc/extend.texi (Additional Floating Types): Document PowerPC
11790         __float128 restrictions.
11791
11792 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
11793
11794         PR target/70133
11795         * config/aarch64/driver-aarch64.c
11796         (aarch64_get_extension_string_for_isa_flags): New.
11797         (arch_extension): Rename to...
11798         (aarch64_arch_extension): ...This.
11799         (ext_to_feat_string): Rename to...
11800         (aarch64_extensions): ...This.
11801         (aarch64_core_data): Keep track of architecture extension flags.
11802         (cpu_data): Rename to...
11803         (aarch64_cpu_data): ...This.
11804         (aarch64_arch_driver_info): Keep track of architecture extension
11805         flags.
11806         (get_arch_name_from_id): Rename to...
11807         (get_arch_from_id): ...This, change return type.
11808         (host_detect_local_cpu): Update and reformat for renames, handle
11809         extensions through common infrastructure.
11810
11811 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
11812
11813         PR target/70133
11814         * config/aarch64/aarch64-common.c (aarch64_option_extension): Keep
11815         track of a canonical flag name.
11816         (all_extensions): Likewise.
11817         (arch_to_arch_name): Also track extension flags enabled by the arch.
11818         (all_architectures): Likewise.
11819         (aarch64_parse_extension): Move to here.
11820         (aarch64_get_extension_string_for_isa_flags): Take a new argument,
11821         rework.
11822         (aarch64_rewrite_selected_cpu): Update for above change.
11823         * config/aarch64/aarch64-option-extensions.def: Rework the way flags
11824         are handled, such that the single explicit value enabled by an
11825         extension is kept seperate from the implicit values it also enables.
11826         * config/aarch64/aarch64-protos.h (aarch64_parse_opt_result): Move
11827         to here.
11828         (aarch64_parse_extension): New.
11829         * config/aarch64/aarch64.c (aarch64_parse_opt_result): Move from
11830         here to config/aarch64/aarch64-protos.h.
11831         (aarch64_parse_extension): Move from here to
11832         common/config/aarch64/aarch64-common.c.
11833         (aarch64_option_print): Update.
11834         (aarch64_declare_function_name): Likewise.
11835         (aarch64_start_file): Likewise.
11836         * config/aarch64/driver-aarch64.c (arch_extension): Keep track of
11837         the canonical flag for extensions.
11838         * config.gcc (aarch64*-*-*): Extend regex for capturing extension
11839         flags.
11840
11841 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
11842
11843         * config/aarch64/aarch64.h (AARCH64_FL_FOR_ARCH8_1): Also add
11844         AARCH64_FL_CRC.
11845
11846 2016-04-09  Tom de Vries  <tom@codesourcery.com>
11847
11848         PR tree-optimization/68953
11849         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Order accesses from
11850         first to last subscript.
11851
11852 2016-04-09  Jakub Jelinek  <jakub@redhat.com>
11853
11854         PR tree-optimization/70586
11855         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Return false
11856         for any calls.
11857
11858 2016-04-08  Cesar Philippidis  <cesar@codesourcery.com>
11859
11860         PR lto/70289
11861         PR ipa/70348
11862         PR tree-optimization/70373
11863         PR middle-end/70533
11864         PR middle-end/70534
11865         PR middle-end/70535
11866         * gimplify.c (gimplify_adjust_omp_clauses): Add or adjust data
11867         clauses for acc parallel reductions as necessary.  Error on those
11868         that are private.
11869         * omp-low.c (scan_sharing_clauses): Don't install variables which
11870         are used in acc parallel reductions.
11871         (lower_rec_input_clauses): Remove dead code.
11872         (lower_oacc_reductions): Add support for reference reductions.
11873         (lower_reduction_clauses): Remove dead code.
11874         (lower_omp_target): Don't remap variables appearing in acc parallel
11875         reductions.
11876         * tree.h (OMP_CLAUSE_MAP_IN_REDUCTION): New macro.
11877
11878 2016-04-08  Jakub Jelinek  <jakub@redhat.com>
11879
11880         PR middle-end/70593
11881         * tree-ssa-coalesce.c (build_ssa_conflict_graph): For stmt
11882         with multiple SSA_NAME defs, force the outputs other than first
11883         to be live before calling live_track_process_def on each output.
11884
11885         PR rtl-optimization/70574
11886         * fwprop.c (forward_propagate_and_simplify): Don't add
11887         REG_EQUAL note if DF_REF_REG (use) is a paradoxical subreg.
11888         (try_fwprop_subst): Don't add REG_EQUAL note if there are any
11889         paradoxical subregs within *loc.
11890
11891 2016-04-08  Thomas Schwinge  <thomas@codesourcery.com>
11892
11893         * config/arc/arc.h (LINK_COMMAND_SPEC): Use gt to ignore
11894         -ftree-parallelize-loops={0,1}.
11895         * config/darwin.h (LINK_COMMAND_SPEC_A): Likewise.
11896         * config/i386/mingw32.h (GOMP_SELF_SPECS): Likewise.
11897         * config/ia64/hpux.h (LIB_SPEC): Likewise.
11898         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
11899         * config/pa/pa64-hpux.h (LIB_SPEC): Likewise.
11900
11901 2016-04-08  Maxim Ostapenko  <m.ostapenko@samsung.com>
11902
11903         PR sanitizer/70541
11904         * asan.c (instrument_derefs): If we get unknown location, extract it
11905         with EXPR_LOCATION.
11906         (maybe_instrument_call): Instrument gimple_call's arguments if needed.
11907
11908 2016-04-08  Tom de Vries  <tom@codesourcery.com>
11909
11910         * omp-low.c (lower_omp_target): Set TREE_NO_WARNING for oacc
11911         implicit firstprivate clause.
11912
11913 2016-04-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11914
11915         PR target/70566
11916         * config/arm/thumb2.md (tst + branch-> lsls + branch
11917         peephole below *orsi_not_shiftsi_si): Require that condition
11918         register is dead after the peephole.
11919         (second peephole after the above): Likewise.
11920
11921 2016-04-08  Alan Modra  <amodra@gmail.com>
11922
11923         PR target/70117
11924         * builtins.c (fold_builtin_classify): For IBM extended precision,
11925         look at just the high-order double to test for NaN.
11926         (fold_builtin_interclass_mathfn): Similarly for Inf.  For isnormal
11927         test just the high double for Inf but both doubles for subnormal
11928         limit.
11929
11930 2016-04-07  Jakub Jelinek  <jakub@redhat.com>
11931
11932         * cgraph.h (struct cgraph_simd_clone): Add mask_mode field.
11933         * omp-low.c (simd_clone_init_simd_arrays, simd_clone_adjust): Handle
11934         node->simdclone->mask_mode != VOIDmode masks.
11935         (simd_clone_adjust_argument_types): Likewise.  Move sc var definition
11936         earlier, use it instead of node->simdclone.
11937         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
11938         Set clonei->mask_mode.
11939
11940 2016-04-06  Patrick Palka  <ppalka@gcc.gnu.org>
11941
11942         PR c/70436
11943         * parser.c (cp_parser_iteration_statement): New parameter IF_P.
11944         Pass it through to cp_parser_already_scoped_statement.
11945         (cp_parser_already_scoped_statement): New parameter IF_P.  Pass
11946         it through to cp_parser_statement.
11947         (cp_parser_statement): Pass IF_P through to
11948         cp_parser_iteration_statement.
11949         (cp_parser_pragma): Adjust call to
11950         cp_parser_iteration_statement.
11951
11952 2016-04-06  Patrick Palka  <ppalka@gcc.gnu.org>
11953
11954         PR c/70436
11955         * gimplify.c (gimplify_omp_ordered): Add explicit braces to
11956         resolve a future -Wparentheses warning.
11957         * omp-low.c (scan_sharing_clauses): Likewise.
11958         * tree-parloops.c (eliminate_local_variables): Likewise.
11959
11960 2016-04-06  Vladimir Makarov  <vmakarov@redhat.com>
11961
11962         PR rtl-optimization/70398
11963         * lra-constraints.c (process_address_1): Check zero scale and code
11964         for reloading with zero scale.
11965
11966 2016-04-06  Uros Bizjak  <ubizjak@gmail.com>
11967
11968         * config/i386/sse.md (shuffletype): Add V32HI and V4TI modes.
11969         (ssescalarsize): Add V8SF, V4SF, V4DF and V2DF modes.
11970
11971 2016-04-06  Jakub Jelinek  <jakub@redhat.com>
11972
11973         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
11974         Add support for AVX512F clones, include them by default for
11975         exported OpenMP declare simd functions.  For AVX2 allow simdlen 32
11976         and use it if charasteric type is 8-bit, for AVX512F allow simdlen
11977         up to 128.
11978
11979         PR middle-end/70550
11980         * tree.h (OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT): Define.
11981         * gimplify.c (gimplify_adjust_omp_clauses_1): Set it for implicit
11982         firstprivate clauses.
11983         * omp-low.c (lower_send_clauses): Set TREE_NO_WARNING for
11984         OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT !by_ref vars in task contexts.
11985         (lower_omp_target): Set TREE_NO_WARNING for
11986         non-addressable possibly uninitialized vars which are copied into
11987         addressable temporaries or copied for GOMP_MAP_FIRSTPRIVATE_INT.
11988
11989 2016-04-05  John David Anglin  <danglin@gcc.gnu.org>
11990
11991         * config/pa/predicates.md (integer_store_memory_operand): Accept
11992         REG+D operands with a large offset when reload_in_progress is true.
11993         (floating_point_store_memory_operand): Likewise.
11994
11995 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
11996
11997         PR c++/70336
11998         * match.pd (nested int casts): Limit to GIMPLE.
11999
12000 2016-04-05  Jan Hubicka  <hubicka@ucw.cz>
12001
12002         PR ipa/66223
12003         * ipa-devirt.c (maybe_record_node): Fix comment; use
12004         SANITIZE_UNREACHABLE instead of SANITIZE_UNDEFINED.
12005
12006 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
12007
12008         PR rtl-optimization/70542
12009         * ree.c (add_removable_extension): For VECTOR_MODE_P punt
12010         if there are any uses other than insn or debug insns.
12011
12012 2016-04-05  Marc Glisse  <marc.glisse@inria.fr>
12013             Jakub Jelinek  <jakub@redhat.com>
12014
12015         PR tree-optimization/70509
12016         * simplify-rtx.c (simplify_binary_operation_1) <case VEC_SELECT>:
12017         Shift HOST_WIDE_INT_1U instead of 1.
12018
12019 2016-04-05  Zdenek Sojka  <zsojka@seznam.cz>
12020
12021         PR tree-optimization/70509
12022         * tree-ssa-forwprop.c (simplify_bitfield_ref): Use bitsize_int instead
12023         of the vector base type for index.
12024
12025 2016-04-05  Uros Bizjak  <ubizjak@gmail.com>
12026
12027         PR target/70510
12028         * config/i386/sse.md (iptr): Add V64QI, V32HI, V16SI and V8DI modes.
12029
12030 2016-04-05  Richard Biener  <rguenther@suse.de>
12031
12032         PR tree-optimization/70526
12033         * tree-sra.c (build_ref_for_offset): Use prev_base to
12034         extract the alias pointer type.
12035
12036 2016-04-05  Richard Biener  <rguenther@suse.de>
12037
12038         * dse.c (struct store_info): Remove alias_set member.
12039         (struct read_info_type): Likewise.
12040         (clear_alias_group, clear_alias_mode_table, clear_alias_mode_holder,
12041         spill_deleted, clear_alias_set_lookup): Remove.
12042         (get_group_info): Remove dead base == NULL_RTX case.
12043         (dse_step0): Remove initialization of removed variables.
12044         (delete_dead_store_insn): Reomve alias set dumping.
12045         (free_read_records): Remove alias_set handling.
12046         (canon_address): Remove alias_set_out parameter.
12047         (record_store): Remove spill_alias_set, it's always zero.
12048         (check_mem_read_rtx): Likewise.
12049         (dse_step2): Rename from ...
12050         (dse_step2_nospill): ... this.  Adjust.
12051         (scan_stores): Rename from ...
12052         (scan_stores_nospill): ... this.
12053         (scan_reads): Rename from ...
12054         (scan_reads_nospill): ... this.
12055         (scan_stores_spill, scan_reads_spill): Remove.
12056         (dse_step3_scan): Remove for_spills argument which is always false.
12057         (dse_step3): Likewise.
12058         (dse_step5): Rename from ...
12059         (dse_step5_nospill): ... this.  Remove alias_set handling.
12060         (rest_of_handle_dse): Adjust.
12061
12062 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
12063
12064         PR target/70525
12065         * config/i386/sse.md (*andnot<mode>3): Simplify assertions.
12066         Use vpandn<ssemodesuffix> for V16SI/V8DImode, vpandnq for
12067         V32HI/V64QImode, don't use <mask_operand3_1>, fix up formatting.
12068         (*andnot<mode>3_mask): Remove insn with VI12_AVX512VL iterator.
12069
12070 2016-04-05  Richard Biener  <rguenther@suse.de>
12071
12072         PR middle-end/70499
12073         * gimplify-me.c (gimple_regimplify_operands): Do not rewrite
12074         non-register type temporaries into SSA.
12075
12076 2016-04-04  Jan Hubicka  <hubicka@ucw.cz>
12077
12078         PR ipa/66223
12079         * ipa-devirt.c (maybe_record_node): Do not optimize cxa_pure_virtual
12080         calls when sanitizing.
12081         (possible_polymorphic_call_target_p): Fix formatting.
12082
12083 2016-04-04  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
12084             Jakub Jelinek <jakub@redhat.com>
12085
12086         PR middle-end/70457
12087         * tree-inline.c (estimate_num_insn): Use gimple_call_builtin_p
12088         to ensure a call statement is compatible with a built-in's
12089         prototype.
12090         * tree-ssa-math-opts.c (pass_optimize_windening_mul::execute):
12091         Likewise.
12092
12093 2016-04-04  Richard Biener  <rguenther@suse.de>
12094
12095         PR rtl-optimization/70484
12096         * rtl.h (canon_output_dependence): Declare.
12097         * alias.c (canon_output_dependence): New function.
12098         * dse.c (record_store): Use canon_output_dependence rather
12099         than canon_true_dependence.
12100
12101 2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
12102
12103         PR ipa/68881
12104         * cgraph.h (symtab_node::copy_visibility_from): New function.
12105         * symtab.c (symtab_node::copy_visibility_from): New function.
12106         * ipa-visibility.c (optimize_weakref): New function.
12107         (function_and_variable_visibility): Use it.
12108
12109 2016-04-04  Martin Liska  <mliska@suse.cz>
12110
12111         PR hsa/70402
12112         * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Guard index
12113         value that is really in range handled by SBR instruction.
12114         * hsa-brig.c (emit_switch_insn): Do not emit unconditional jump.
12115         * hsa-dump.c (dump_hsa_insn_1): Do not dump default BB.
12116         * hsa.h (hsa_insn_sbr::m_default_bb): Remove field.
12117
12118 2016-04-03  Oleg Endo  <olegendo@gcc.gnu.org>
12119
12120         PR target/70416
12121         PR target/67391
12122         * config/sh/sh.md (*addsi3): Allow pattern when reload_in_progress is
12123         set, but not for SP_REG operands.
12124
12125 2016-04-02  Martin Sebor  <msebor@redhat.com>
12126
12127         PR c++/67376
12128         * fold-const.c (maybe_nonzero_address): New function.
12129         (fold_comparison): Call it.  Fold equality and relational
12130         expressions involving null pointers.
12131         (tree_single_nonzero_warnv_p): Call maybe_nonzero_address.
12132
12133 2016-03-31  Evandro Menezes  <e.menezes@samsung.com>
12134
12135         Fix the predicate "aarch64_simd_reg_or_zero" to correctly validate
12136         the "Y" constraint (scalar FP 0.0 immediate).
12137
12138         * config/aarch64/predicates.md (aarch64_simd_reg_or_zero):
12139         Add the "const_double" to the list of operand constraints.
12140
12141 2016-04-01  Jakub Jelinek  <jakub@redhat.com>
12142
12143         PR rtl-optimization/70467
12144         * config/i386/i386.md (*add<dwi>3_doubleword, *sub<dwi>3_doubleword):
12145         If low word of the last operand is 0, just emit addition/subtraction
12146         for the high word.
12147
12148 2016-04-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
12149
12150         PR target/70404
12151         * config/s390/s390.c (s390_expand_insv): Check for everything
12152         constant instead of just VOIDmode stuff.
12153
12154 2016-04-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
12155
12156         PR target/70496
12157         * config/arm/arm.h (ASM_APP_OFF): Handle TARGET_ARM and TARGET_THUMB.
12158
12159 2016-04-01  Nathan Sidwell  <nathan@acm.org>
12160
12161         * tree.def (TRY_CATCH_EXPR): Correct documentation.
12162
12163 2016-03-31  Vladimir Makarov  <vmakarov@redhat.com>
12164
12165         PR rtl-optimization/70461
12166         * ira-color.c (allocno_copy_cost_saving): Use allocno class if it
12167         is necessary.
12168
12169 2016-03-31  Martin Liska  <mliska@suse.cz>
12170
12171         PR hsa/70399
12172         * hsa-brig.c (hsa_op_immed::emit_to_buffer): Emit either
12173         a tree value or an immediate integer value to a buffer
12174         that is eventually copied to a BRIG section.
12175         (emit_immediate_operand): Call the function here.
12176         * hsa-dump.c (dump_hsa_immed): Remove checking assert.
12177         * hsa-gen.c (hsa_op_immed::hsa_op_immed): Remove initialization
12178         of class' fields that are removed.
12179         (hsa_op_immed::~hsa_op_immed): Remove deinitialization.
12180         * hsa.h (class hsa_op_immed): Remove m_brig_repr and
12181         m_brig_repr_size fields.
12182
12183 2016-03-31  Martin Liska  <mliska@suse.cz>
12184
12185         PR hsa/70391
12186         * hsa-gen.c (hsa_function_representation::update_dominance): New
12187         function.
12188         (convert_addr_to_flat_segment): Likewise.
12189         (gen_hsa_memory_set): New alignment argument.
12190         (gen_hsa_ctor_assignment): Likewise.
12191         (gen_hsa_insns_for_single_assignment): Provide alignment
12192         to gen_hsa_ctor_assignment.
12193         (gen_hsa_insns_for_direct_call): Add new argument.
12194         (expand_lhs_of_string_op): New function.
12195         (expand_string_operation_builtin): Likewise.
12196         (expand_memory_copy): New function.
12197         (expand_memory_set): New function.
12198         (gen_hsa_insns_for_call): Use HOST_WIDE_INT.
12199         (convert_switch_statements): Change signature.
12200         (generate_hsa): Use a return value of the function.
12201         (pass_gen_hsail::execute): Do not call
12202         convert_switch_statements here.
12203         * hsa-regalloc.c (hsa_regalloc): Call update_dominance.
12204         * hsa.h (hsa_function_representation::m_modified_cfg): New flag.
12205         (hsa_function_representation::update_dominance): New function.
12206
12207 2016-03-31  Martin Liska  <mliska@suse.cz>
12208
12209         PR hsa/70391
12210         * hsa-brig.c (emit_directive_variable): Emit alignment
12211         according to hsa_symbol::m_align.
12212         * hsa-dump.c (hsa_byte_alignment): Move the function to another file.
12213         (dump_hsa_symbol): Dump alignment of HSA symbols.
12214         * hsa-gen.c (get_symbol_for_decl): Set-up alignment of a symbol.
12215         (gen_hsa_addr_with_align): New function.
12216         (hsa_bitmemref_alignment): Use newly added function.
12217         (gen_hsa_insns_for_load): Likewise.
12218         (gen_hsa_insns_for_store): Likewise.
12219         (gen_hsa_memory_copy): New argument added.
12220         (gen_hsa_insns_for_single_assignment): Respect
12221         alignment for assignments processed via gen_hsa_memory_copy.
12222         (gen_hsa_insns_for_direct_call): Likewise.
12223         (gen_hsa_insns_for_return): Likewise.
12224         (gen_function_def_parameters): Set default alignment.
12225         * hsa.c (hsa_object_alignment): New function.
12226         (hsa_byte_alignment): Pasted function.
12227         * hsa.h (hsa_symbol::m_align): New field.
12228
12229 2016-03-31  Bin Cheng  <bin.cheng@arm.com>
12230
12231         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Initialize
12232         scratch field for goto case.
12233
12234 2016-03-31  James Greenhalgh  <james.greenhalgh@arm.com>
12235
12236         * config/arm/linux-elf.h (ASM_OUTPUT_DEF): Delete.
12237
12238 2016-03-31  Ilya Enkovich  <enkovich.gnu@gmail.com>
12239
12240         PR target/70442
12241         * config/i386/i386.c (scalar_chain::convert_op): Fix description.
12242         (scalar_chain::convert_insn): Call convert_op for reg
12243         moves to handle undefined registers.
12244
12245 2016-03-31  Nathan Sidwell  <nathan@acm.org>
12246
12247         PR c++/70393
12248         * varasm.c (output_constructor_regular_field): Flush bitfield earlier.
12249         Assert we don't want to move backwards.
12250
12251 2016-03-31  Kirill Yukhin  <kirill.yukhin@intel.com>
12252
12253         PR target/70453
12254         * config/i386/sse.md (define_mode_attr shuffletype): Fix typo.
12255
12256 2016-03-31  Jakub Jelinek  <jakub@redhat.com>
12257
12258         PR rtl-optimization/70460
12259         * ira.c (indirect_jump_optimize): Don't substitute LABEL_REF
12260         with operand from REG_LABEL_OPERAND, instead substitute
12261         SET_SRC or REG_EQUAL note content if it is a LABEL_REF.
12262         Don't do anything for REG_NON_LOCAL_GOTO jumps.
12263
12264 2016-03-31  Martin Liska  <mliska@suse.cz>
12265
12266         * passes.c (execute_one_pass): Do not call
12267         todo_after for a discarded function.
12268
12269 2016-03-31  Bin Cheng  <bin.cheng@arm.com>
12270
12271         * tree-ssa-loop-ivopts.c (struct comp_cost): New scrach field.
12272         (no_cost, infinite_cost): Initialize the new field.
12273         (get_computation_cost_at): Record setup cost.
12274         (determine_use_iv_cost_address): Skip cost computation for sub
12275         uses if we can estimate it without losing accuracy.
12276
12277 2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
12278
12279         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
12280         estimates here.
12281         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
12282         max_loop_iterations_int.
12283         (tree_unswitch_outer_loop): Likewise.
12284         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
12285         * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
12286
12287 2016-03-30  Richard Biener  <rguenther@suse.de>
12288
12289         PR middle-end/70450
12290         * fold-const.c (extract_muldiv_1): Fix thinko in wide_int::from usage.
12291
12292 2016-03-30  Jakub Jelinek  <jakub@redhat.com>
12293
12294         PR target/70421
12295         * config/i386/i386.c (ix86_expand_vector_set): Fix up argument order
12296         in gen_blendm expander.
12297
12298 2016-03-30  Nick Clifton  <nickc@redhat.com>
12299
12300         PR target/62254
12301         * config/arm/arm.c (arm_reload_out_hi): Add code to handle the
12302         case where we are already provided with an SImode SUBREG.
12303
12304 2016-03-30  H.J. Lu  <hongjiu.lu@intel.com>
12305
12306         PR target/70439
12307         * config/i386/i386.c (ix86_expand_epilogue): Properly check
12308         conflict between DRAP register and __builtin_eh_return.
12309
12310 2016-03-30  Michael Matz  <matz@suse.de>
12311             Richard Biener  <rguenther@suse.de>
12312
12313         PR ipa/12392
12314         * ipa-polymorphic-call.c (struct type_change_info): Change
12315         speculative to an unsigned allowing to limit the work we do.
12316         (csftc_abort_walking_p): New inline function..
12317         (check_stmt_for_type_change): Limit the number of may-defs
12318         skipped for speculative devirtualization to
12319         max-speculative-devirt-maydefs.
12320         * params.def (max-speculative-devirt-maydefs): New param.
12321         * doc/invoke.texi (--param max-speculative-devirt-maydefs): Document.
12322
12323 2016-03-30  Mike Stump  <mrs@gcc.gnu.org>
12324
12325         PR target/63890
12326         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Use when profiling
12327         and TARGET_MACHO.
12328
12329 2016-03-30  Patrick Palka  <ppalka@gcc.gnu.org>
12330
12331         PR tree-optimization/59124
12332         * tree-vrp.c (register_edge_assert_for_2): For NAME != CST1
12333         where NAME = A +- CST2 add the assertion A != (CST1 -+ CST2).
12334
12335 2016-03-29  Jeff Law  <law@redhat.com>
12336
12337         * tree-ssa-coalesce.c (struct ssa_conflicts): Fix typo in comment.
12338
12339 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
12340
12341         * tree-ssa-loop-ivcanon.c (try_peel_loop): Change type of peel
12342         to HOST_WIDE_INT.
12343
12344 2016-03-29  Thomas Schwinge  <thomas@codesourcery.com>
12345
12346         * config/gnu.h (CPP_SPEC, LIB_SPEC): Don't override.
12347         * config/i386/gnu.h (STARTFILE_SPEC): Use gcrt1.o instead of
12348         gcrt0.o if linking dynamically.
12349
12350 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
12351
12352         PR ipa/70283
12353         * ipa-devirt.c (methods_equal_p): New function.
12354         (compare_virtual_tables): Use it.
12355         * cgraph.h (symbol_table::symbol_suffix_separator): Declare.
12356         * cgraphclones.c (clone_function_name_1): Use
12357         symbol_table::symbol_suffix_separator.
12358         * coverage.c (build_var): Likewise.
12359         * symtab.c (symbol_table::symbol_suffix_separator): New.
12360
12361 2016-03-29  Jakub Jelinek  <jakub@redhat.com>
12362
12363         PR rtl-optimization/70429
12364         * combine.c (simplify_shift_const_1): For ASHIFTRT don't optimize
12365         (cst1 >> count) >> cst2 into (cst1 >> cst2) >> count if
12366         mode != result_mode.
12367
12368         PR c++/70353
12369         * tree-inline.c (remap_decls): Don't add_local_decl if cfun is null.
12370
12371         PR tree-optimization/70405
12372         * ssa-iterators.h (num_imm_uses): Add missing braces.
12373
12374 2016-03-29  Vladimir Makarov  <vmakarov@redhat.com>
12375
12376         PR rtl-optimization/68695
12377         * ira-color.c (allocno_copy_cost_saving): New.
12378         (improve_allocation): Use it.
12379
12380 2016-03-29  Richard Henderson  <rth@redhat.com>
12381
12382         PR middle-end/70355
12383         * lower-subreg.c (simplify_subreg_concatn): Reject paradoxical subregs.
12384
12385 2016-03-29  Richard Biener  <rguenther@suse.de>
12386
12387         PR middle-end/70424
12388         * ipa-prop.c (ipa_compute_jump_functions_for_edge): Always
12389         use alignment returned by get_pointer_alignment_1 if it is
12390         bigger than BITS_PER_UNIT.
12391         * builtins.c (get_pointer_alignment_1): Do not return true
12392         for alignment extracted from SSA info.
12393
12394 2016-03-28  James Bowman  <james.bowman@ftdichip.com>
12395
12396         * config/ft32/ft32.opt (mnodiv): New.
12397         * config/ft32/ft32.md (*divsi3, *modsi3): Qualify with TARGET_NODIV.
12398         * doc/invoke.texi (FT32 Options -mnodiv): New.
12399
12400 2016-03-28  Kirill Yukhin  <kirill.yukhin@intel.com>
12401
12402         PR target/70406
12403         * config/i386/i386.md (define_split, andn): Fix modes.
12404
12405 2016-03-26  Richard Biener  <rguenther@suse.de>
12406             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
12407
12408         PR ipa/70366
12409         * ipa-inline-transform.c (inline_call): Pass opts_for_fn (to->decl)
12410         instead of
12411         TREE_OPTIMIZATION (DECL_FUNCTION_SPECIFIC_OPTIMIZATION (to->decl))
12412         as 2nd argument to cl_optimization_restore().
12413
12414 2016-03-25  Richard Henderson  <rth@redhat.com>
12415
12416         PR target/70120
12417         * config/aarch64/aarch64.c (aarch64_asm_output_pool_epilogue): New.
12418         * config/aarch64/aarch64-protos.h: Declare it.
12419         * config/aarch64/aarch64.h (ASM_OUTPUT_POOL_EPILOGUE): New.
12420
12421 2016-03-25  Alan Modra  <amodra@gmail.com>
12422
12423         PR target/70052
12424         * config/rs6000/constraints.md (j): Simplify.
12425         * config/rs6000/predicates.md (easy_fp_constant): Exclude
12426         decimal float 0.D.
12427         * config/rs6000/rs6000.md (zero_fp): New mode_attr.
12428         (mov<mode>_hardfloat, mov<mode>_hardfloat32, mov<mode>_hardfloat64,
12429          mov<mode>_64bit_dm, mov<mode>_32bit): Use zero_fp in place of j
12430         in all constraint alternatives.
12431         (movtd_64bit_nodm): Delete "j" constraint alternative.
12432
12433 2016-03-24  Aldy Hernandez  <aldyh@redhat.com>
12434
12435         * tree-ssa-propagate.c: Enhance docs for
12436         SSA_PROP_NOT_INTERESTING.
12437
12438 2016-03-24  Aldy Hernandez  <aldyh@redhat.com>
12439
12440         * doc/extend.texi: Fix typo in documentation to pure attribute.
12441
12442 2016-03-24  John David Anglin  <danglin@gcc.gnu.org>
12443
12444         PR target/70319
12445         * config/pa/pa.md (bswapdi2): Use a scratch register.
12446
12447 2016-03-24  Richard Henderson  <rth@redhat.com>
12448
12449         PR middle-end/69845
12450         * fold-const.c (extract_muldiv_1): Correct test for multiplication
12451         overflow.
12452
12453 2016-03-24  Uros Bizjak  <ubizjak@gmail.com>
12454
12455         * config/i386/i386.md (*anddi3_doubleword): Generate AND insn
12456         using ix86_expand_binary_operator instead of gen_andsi3.
12457
12458 2016-03-24  Richard Biener  <rguenther@suse.de>
12459
12460         PR tree-optimization/70396
12461         * tree-vect-stmts.c (vectorizable_comparison): Use
12462         get_vectype_for_scalar_type.
12463
12464 2016-03-24  Richard Biener  <rguenther@suse.de>
12465
12466         PR middle-end/70370
12467         * gimplify.c (gimplify_asm_expr): Handle !allows_mem outputs
12468         with register bases.
12469
12470 2016-03-24  Richard Biener  <rguenther@suse.de>
12471
12472         PR tree-optimization/70372
12473         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Use
12474         build_all_ones_cst to also handle vector types correctly.
12475
12476 2016-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
12477
12478         PR target/70381
12479         * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Do not set
12480         -mfloat128 here.
12481
12482 2016-03-23  Marek Polacek  <polacek@redhat.com>
12483
12484         PR c++/69884
12485         * doc/invoke.texi: Document -Wignored-attributes.
12486
12487 2016-03-23  Bin Cheng  <bin.cheng@arm.com>
12488
12489         PR tree-optimization/69042
12490         * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND): Increase the
12491         parameter from 30 to 40.
12492
12493 2016-03-23  Bin Cheng  <bin.cheng@arm.com>
12494
12495         PR tree-optimization/69042
12496         * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Add IV cand
12497         for use with constant offset stripped in base.
12498
12499 2016-03-23  Richard Biener  <rguenther@suse.de>
12500
12501         PR middle-end/70251
12502         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Adjust
12503         mode compatibility check.
12504         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
12505
12506 2016-03-23  Jeff Law  <law@redhat.com>
12507
12508         PR tree-optimization/64058
12509         * tree-ssa-coalesce.c (struct coalesce_pair): Add new field
12510         CONFLICT_COUNT.
12511         (struct ssa_conflicts): Move up earlier in the file.
12512         (conflicts_, var_map_): New static variables.
12513         (initialize_conflict_count): New function to initialize the
12514         CONFLICT_COUNT field for each conflict pair.
12515         (compare_pairs): Lazily initialize the conflict count and use it
12516         as the first tie-breaker.
12517         (sort_coalesce_list): Add new arguments conflicts, map.  Initialize
12518         and wipe conflicts_ and map_ around the call to qsort.  Remove
12519         special case for 2 coalesce pairs.
12520         * bitmap.c (bitmap_count_unique_bits): New function.
12521         (bitmap_count_bits_in_word): New function, extracted from
12522         bitmap_count_bits.
12523         (bitmap_count_bits): Use bitmap_count_bits_in_word.
12524         * bitmap.h (bitmap_count_unique_bits): Declare it.
12525
12526 2016-03-23  Ilya Enkovich  <enkovich.gnu@gmail.com>
12527
12528         PR target/69917
12529         * config/i386/sol2.h (ASM_OUTPUT_DEF_FROM_DECLS): Follow
12530         transparent alias chain for decl assembler name.
12531         * config/sol2.c (solaris_assemble_visibility): Likewise.
12532
12533 2016-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12534
12535         * config/arm/arm1020e.md (1020call_op): Reduce reservation
12536         duration.
12537         (v10_fdivs): Likewise.
12538         (v10_fdivd): Likewise.
12539
12540 2016-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12541
12542         PR driver/70132
12543         * config/arm/driver-arm.c (host_detect_local_cpu): Reorder exit logic
12544         to not call fclose twice on file.
12545
12546 2016-03-23  Jakub Jelinek  <jakub@redhat.com>
12547
12548         PR tree-optimization/70354
12549         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
12550         oprnd0 is wider than oprnd1 and there is a cast from the wider
12551         type to oprnd1, mask it with the mask of the narrower type.
12552
12553         PR target/70321
12554         * config/i386/i386.md (*anddi3_doubleword, *<code>di3_doubleword):
12555         Optimize TARGET_STV splitters, if high or low word of last argument
12556         is 0 or -1.
12557
12558 2016-03-22  Jeff Law  <law@redhat.com>
12559
12560         PR target/70232
12561         tree-ssa-threadbackward.c
12562         (fsm_find_control_statement_thread_paths): Correctly distinguish
12563         between old style jump threads vs FSM jump threads.
12564
12565 2016-03-22  Ilya Enkovich  <enkovich.gnu@gmail.com>
12566
12567         PR target/70302
12568         * config/i386/i386.c (scalar_chain::convert_op): Support
12569         uninitialized register usage case.
12570
12571 2016-03-22  Richard Biener  <rguenther@suse.de>
12572
12573         PR middle-end/70251
12574         * genmatch.c (gen_transform): Adjust last parameter to a three-state
12575         int...
12576         (capture::gen_transform): ... to change behavior when substituting
12577         a condition into cond or not-cond expr context.
12578         (dt_simplify::gen_1): Adjust.
12579         * gimple-match-head.c: Include gimplify.h for unshare_expr.
12580         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Revert
12581         last change and instead change to
12582         A + (B vcmp C ? 1 : 0) -> A - (B vcmp C ? -1 : 0).
12583         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
12584
12585 2016-03-22  Anthony Green  <green@moxielogic.com>
12586
12587         * config/moxie/moxiebox.h (CC1_SPEC): Define.  Fix endianness
12588         issue for moxiebox targets.
12589         (CC1PLUS_SPEC): Ditto.
12590
12591 2016-03-22  Richard Biener  <rguenther@suse.de>
12592
12593         PR middle-end/70333
12594         * fold-const.c (extract_muldiv_1): Properly perform multiplication
12595         in the wide type.
12596
12597 2016-03-22  Kirill Yukhin  <kirill.yukhin@intel.com>
12598
12599         * config/i386/i386.c (def_builtin): Remove duplicated functionality.
12600
12601 2016-03-22  Kirill Yukhin  <kirill.yukhin@intel.com>
12602
12603         PR target/70325
12604         * config/i386/i386.c (def_builtin): Handle
12605         OPTION_MASK_ISA_AVX512VL to be and-ed with other
12606         bits.
12607         (const struct builtin_description bdesc_special_args[]):
12608         Remove duplicate ISA bits.
12609
12610 2016-03-22  Jakub Jelinek  <jakub@redhat.com>
12611
12612         PR target/70329
12613         * config/i386/i386.c (ix86_expand_vecop_qihi): Don't bother computing
12614         d.perm[i] for i >= d.nelt.  If not full_interleave, compute d.perm[i]
12615         in a way that works also for AVX512BW.
12616
12617         PR target/70300
12618         * config/i386/i386.md (cvtsd2ss splitter): Unpack in destination
12619         instead of source if operands[1] is xmm16 and above and
12620         !TARGET_AVX512VL.  Use avx512f_vec_dupv16sf_1 instead of
12621         vec_interleave_lowv4sf if we need to unpack xmm16 and above.
12622
12623         PR c++/70295
12624         * gimplify.c (gimplify_modify_expr): Call gimple_set_no_warning
12625         on assign if (*from_p) is a comparison, set it to
12626         TREE_NO_WARNING (*from_p).
12627
12628 2016-03-21  Jakub Jelinek  <jakub@redhat.com>
12629
12630         PR middle-end/70326
12631         * lra.c (restore_scratches): Ignore deleted insns.
12632
12633 2016-03-21  Marc Glisse  <marc.glisse@inria.fr>
12634             Jakub Jelinek  <jakub@redhat.com>
12635
12636         PR tree-optimization/70317
12637         * match.pd (cmp @0 @0): Pass @0 instead of TYPE_MODE (TREE_TYPE (@0))
12638         to HONOR_NANS.
12639
12640 2016-03-21  Uros Bizjak  <ubizjak@gmail.com>
12641
12642         PR target/70327
12643         * config/i386/i386.md (movxi): Use ix86_expand_vector_move instead
12644         of ix86_expand_move.
12645         (movoi): Ditto.
12646         (movti): Use general_operand for operand 1 predicate.
12647
12648 2016-03-21  Martin Liska  <mliska@suse.cz>
12649
12650         * hsa-dump.c (dump_hsa_insn_1): dump default branch of SBR
12651         insns.
12652         (dump_hsa_symbol): Dump BRIG offset of hsa_symbols.
12653
12654 2016-03-21  Martin Liska  <mliska@suse.cz>
12655
12656         PR ipa/70306
12657         * ipa-icf.c (sem_function::parse): Skip static
12658         constructors and destructors.
12659
12660 2016-03-21  Jakub Jelinek  <jakub@redhat.com>
12661
12662         PR target/70296
12663         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If IDENT is
12664         function-like macro, peek following token(s) if it is followed
12665         by CPP_OPEN_PAREN token with optional padding in between, and
12666         if not, don't treat it like a macro.
12667
12668 2016-03-21  Thomas Schwinge  <thomas@codesourcery.com>
12669             Alexander Monakov  <amonakov@ispras.ru>
12670
12671         * config/nvptx/nvptx.c (nvptx_option_override): Don't emit sorry
12672         for the stabs debug format.
12673
12674 2016-03-21  Richard Biener  <rguenther@suse.de>
12675
12676         PR tree-optimization/70310
12677         * tree-vect-generic.c (expand_vector_condition): Fold the built
12678         condition.
12679
12680 2016-03-21  Kirill Yukhin  <kirill.yukhin@intel.com>
12681
12682         PR target/70293
12683         * config/i386/sse.md: (define_insn "*vec_dup<mode>"/AVX2):
12684         Block third alternative for AVX-512VL target,
12685
12686 2016-03-21  Martin Liska  <mliska@suse.cz>
12687
12688         PR hsa/70234
12689         * hsa-brig.c (emit_function_directives): Mark unemitted
12690         global variables for emission.
12691         * hsa-gen.c (hsa_symbol::hsa_symbol): Initialize a new flag.
12692         (get_symbol_for_decl): Likewise.
12693         * hsa.h (struct hsa_symbol): New flag.
12694
12695 2016-03-21  Richard Biener  <rguenther@suse.de>
12696
12697         PR tree-optimization/70288
12698         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Make sure
12699         we do not estimate unsimplified all-constant conditionals or
12700         switches as optimized away.
12701
12702 2016-03-21  Andrey Belevantsev  <abel@ispras.ru>
12703
12704         PR rtl-optimization/69102
12705         * sched-deps.c (sched_analyze_insn): Do not set last_args_size field
12706         when we have a readonly dependency context.
12707
12708 2016-03-18  Jeff Law  <law@redhat.com>
12709
12710         PR rtl-optimization/70263
12711         * ira.c (memref_used_between_p): Assert we found END in the insn chain.
12712         (update_equiv_regs): When trying to move a store to after the insn
12713         that sets the source of the store, make sure the store occurs after
12714         the insn that sets the source of the store.  When successful note
12715         the REG_EQUIV note created in the dump file.
12716
12717 2016-03-16  David Wohlferd  <dw@LimeGreenSocks.com>
12718             Bernd Schmidt  <bschmidt@redhat.com>
12719
12720         * doc/extend.texi: Document more potential problems with basic asms.
12721
12722 2016-03-18  Bernd Schmidt  <bschmidt@redhat.com>
12723
12724         PR rtl-optimization/70278
12725         * lra-constraints.c (split_reg): Handle the case where biggest_mode is
12726         VOIDmode.
12727
12728 2016-03-18  Jason Merrill  <jason@redhat.com>
12729
12730         * calls.c (load_register_parameters): Fix zero size sibcall logic.
12731
12732 2016-03-18  Kirill Yukhin  <kirill.yukhin@intel.com>
12733
12734         * config/i386/sse.md: Use vpbroadcastq for broadcasting DF
12735         values to 128b regs.
12736
12737 2016-03-18  Ilya Enkovich  <enkovich.gnu@gmail.com>
12738
12739         PR tree-optimization/70252
12740         * tree-vect-stmts.c (supportable_widening_operation): Check resulting
12741         boolean vector has a proper number of elements.
12742         (supportable_narrowing_operation): Likewise.
12743
12744 2016-03-18  Tom de Vries  <tom@codesourcery.com>
12745
12746         PR ipa/70269
12747         * cgraph.c (cgraph_node::get_body): Set dump_file to NULL after save.
12748
12749 2016-03-18  Jakub Jelinek  <jakub@redhat.com>
12750
12751         * reload1.c (emit_input_reload_insns): Use simplify_replace_rtx
12752         instead of replace_rtx for DEBUG_INSNs.
12753
12754 2016-03-18  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
12755
12756         * config/i386/znver1.md : Fix latencies of FP/SSE/AVX
12757         load type reservations.
12758
12759 2016-03-17  John David Anglin  <danglin@gcc.gnu.org>
12760
12761         PR target/70188
12762         * config/pa/constraints.md: Revert 2015-02-13 change.  Use
12763         define_constraint for "Q" and "T" constraints.
12764
12765 2016-03-17  Evandro Menezes  <e.menezes@samsung.com>
12766
12767         Tweak the pipeline model for Exynos M1
12768
12769         * config/aarch64/aarch64.c (exynosm1_tunings):  Enable weak prefetching
12770         model.
12771
12772 2016-03-17  David Malcolm  <dmalcolm@redhat.com>
12773
12774         PR c/70264
12775         * diagnostic-show-locus.c (compatible_locations_p): Handle the case
12776         where one or both locations aren't within a line_map.
12777
12778 2016-03-17  H.J. Lu  <hongjiu.lu@intel.com>
12779
12780         PR driver/70192
12781         * opts.c (finish_options): Don't set flag_pie to the default if
12782         -fpic, -fPIC, -fno-pic or -fno-PIC is used.  Set flag_pic to 0
12783         if it is -1.
12784
12785 2016-03-17  Joern Rennecke  <joern.rennecke@embecosm.com>
12786
12787         * config/i386/i386.md (*movv4qicc_insn+1..36): Pass
12788         true as ALL_REGS argument to replace_rtx.
12789
12790 2016-03-17  Richard Biener  <rguenther@suse.de>
12791
12792         PR debug/70271
12793         * dwarf2out.c (dwarf2out_early_finish): Process deferred_asm_name
12794         last.
12795
12796 2016-03-17  Jakub Jelinek  <jakub@redhat.com>
12797
12798         PR target/70245
12799         * rtl.h (replace_rtx): Add ALL_REGS argument.
12800         * rtlanal.c (replace_rtx): Likewise.  If true, use REGNO
12801         equality and assert mode is the same, instead of just rtx pointer
12802         equality.
12803         * config/i386/i386.md (mov + arithmetics with load peephole): Pass
12804         true as ALL_REGS argument to replace_rtx.
12805
12806 2016-03-17  Ilya Enkovich  <enkovich.gnu@gmail.com>
12807
12808         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Apply
12809         for boolean vector with vector mode only.
12810         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
12811
12812 2016-03-17  Nick Clifton  <nickc@redhat.com>
12813
12814         PR target/70162
12815         * config/rx/rx.c (rx_print_integer): Print negative constants in
12816         decimal.
12817
12818 2016-03-17  Jakub Jelinek  <jakub@redhat.com>
12819
12820         PR target/70261
12821         * rtlanal.c (replace_rtx): Revert 2016-03-16 change.
12822
12823 2016-03-16  Richard Henderson  <rth@redhat.com>
12824             Richard Biener  <rguenth@suse.de>
12825
12826         PR middle-end/70240
12827         PR middle-end/68215
12828         PR tree-opt/68714
12829         * gimplify.c (gimplify_expr) [VEC_COND_EXPR]: Gimplify the
12830         first operand as is_gimple_condexpr.
12831
12832         PR middle-end/70240
12833         PR middle-end/68215
12834         Revert r231575
12835         2015-12-11  Eric Botcazou  <ebotcazou@adacore.com>
12836         * tree-vect-generic.c (tree_vec_extract): Remove GSI parameter.
12837         Do not gimplify the result.
12838         (do_unop): Adjust call to tree_vec_extract.
12839         (do_binop): Likewise.
12840         (do_compare): Likewise.
12841         (do_plus_minus): Likewise.
12842         (do_negate): Likewise.
12843         (expand_vector_condition): Likewise.
12844         (do_cond): Likewise.
12845
12846 2016-03-16  Richard Henderson  <rth@redhat.com>
12847
12848         PR target/70048
12849         * config/aarch64/aarch64.c (virt_or_elim_regno_p): New.
12850         (aarch64_classify_address): Use it.
12851         (aarch64_legitimize_address): Force all subexpressions of PLUS
12852         into registers.  Simplify as (sfp+const)+reg or (reg+reg)+const.
12853
12854 2016-03-16  Jakub Jelinek  <jakub@redhat.com>
12855             Richard Biener  <rguenth@suse.de>
12856
12857         PR target/70245
12858         * rtlanal.c (replace_rtx): For REG, if from is a REG,
12859         return to even if only REGNO is equal, and assert
12860         mode is the same.
12861
12862 2016-03-11  Jeff Law  <law@redhat.com>
12863
12864         PR rtl-optimization/70224
12865         * reorg.c (relax_delay_slots): Pass right argument to CROSSING_JUMP_P.
12866
12867 2016-03-16  Richard Henderson  <rth@redhat.com>
12868
12869         PR middle-end/70199
12870         * function.h (struct function): Add has_forced_label_in_static.
12871         * gimplify.c (force_labels_r): Set it.
12872         * lto-streamer-in.c (input_struct_function_base): Read it.
12873         * lto-streamer-out.c (output_struct_function_base): Write it.
12874         * tree-inline.c (has_label_address_in_static_1): Remove.
12875         (copy_forbidden): Remove fndecl parameter; test
12876         has_forced_label_in_static.
12877         (inline_forbidden_p): Update call to copy_forbidden.
12878         (tree_versionable_function_p): Likewise.
12879         * ipa-chkp.c (chkp_instrumentable_p): Likewise.
12880         (chkp_versioning): Likewise.
12881         * tree-inline.h (copy_forbidden): Update decl.
12882
12883 2016-03-16  Marek Polacek  <polacek@redhat.com>
12884
12885         PR c/70093
12886         * cgraphunit.c (cgraph_node::expand_thunk): Also build call to the
12887         function being thunked if the result type doesn't have fixed size.
12888         * gimplify.c (gimplify_modify_expr): Also set LHS if the result type
12889         doesn't have fixed size.
12890
12891 2016-03-16  Bin Cheng  <bin.cheng@arm.com>
12892
12893         * tree-vect-loop.c (vect_analyze_loop_2): Fix wrong dump info by
12894         reporting malformed loop nest.
12895
12896 2016-03-16  Tom de Vries  <tom@codesourcery.com>
12897
12898         PR lto/70187
12899         * ipa-devirt.c (possible_polymorphic_call_targets): Move
12900         nodes.length () == 1 test to before first nodes[0] access.
12901
12902 2016-03-16  Tom de Vries  <tom@codesourcery.com>
12903
12904         PR tree-optimization/68715
12905         * graphite-scop-detection.c (scop_detection::merge_sese): Add missing
12906         single_pred_p test.
12907
12908 2016-03-16  Tom de Vries  <tom@codesourcery.com>
12909
12910         PR tree-optimization/68809
12911         * graphite-scop-detection.c (same_close_phi_node): Test if result types
12912         are the same.
12913
12914 2016-03-16  Carlos O'Donell  <carlos@redhat.com>
12915             Sandra Loosemore  <sandra@codesourcery.com>
12916
12917         * doc/extend.texi (Common Function Attributes): Describe ifunc impact
12918         on leaf attribute. Mention ELF interposition problems.
12919
12920 2016-03-16  Alan Modra  <amodra@gmail.com>
12921
12922         PR rtl-optimization/69195
12923         PR rtl-optimization/47992
12924         * ira.c (indirect_jump_optimize): Ignore artificial defs.
12925         Add comments.
12926
12927 2016-03-15  Eric Botcazou  <ebotcazou@adacore.com>
12928
12929         PR bootstrap/69513
12930         * dwarf2out.c (flush_limbo_die_list): Really flush the limbo list.
12931
12932 2016-03-15  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
12933
12934         * config/avr/avr.md (rotl<mode>3): Set mode for operand 2.
12935
12936 2016-03-15  Jakub Jelinek  <jakub@redhat.com>
12937
12938         PR rtl-optimization/70222
12939         * combine.c (simplify_shift_const_1): For A >> B >> C LSHIFTRT
12940         optimization if mode is different from result_mode, queue up masking
12941         of the result in outer_op.  Formatting fix.
12942
12943         PR middle-end/70239
12944         * tree-ssa-sccvn.c (VN_INFO_GET): Use safe_grow_cleared instead
12945         of safe_grow.
12946
12947 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
12948
12949         PR rtl-optimization/69032
12950         * sel-sched-ir.c (get_seqno_by_preds): Include both insn and head when
12951         looping backwards over basic block insns.
12952
12953 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
12954
12955         PR target/66660
12956         * sel-sched-ir.c (merge_expr): Avoid changing the speculative pattern
12957         to non-speculative when propagating trap bits.
12958
12959 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
12960
12961         PR rtl-optimization/63384
12962         * sel-sched.c (invoke_aftermath_hooks): Do not decrease issue_more on
12963         DEBUG_INSN_P insns.
12964
12965 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
12966
12967         PR target/64411
12968         * sched-deps.c (get_implicit_reg_pending_clobbers): New function,
12969         factored out from ...
12970         (sched_analyze_insn): ... here.
12971         * sched-int.h (get_implicit_reg_pending_clobbers): Declare it.
12972         * sel-sched-ir.c (setup_id_implicit_regs): New function, use
12973         get_implicit_reg_pending_clobbers in it.
12974         (setup_id_reg_sets): Use setup_id_implicit_regs.
12975         (deps_init_id): Ditto.
12976
12977 2016-03-15  Tom de Vries  <tom@codesourcery.com>
12978
12979         PR ipa/70161
12980         * cgraph.c (cgraph_node::get_body): Save, reset and restore
12981         dump_file_name.
12982         * passes.c (execute_one_ipa_transform_pass): Add missing argument to
12983         execute_function_dump.
12984         (execute_one_pass): Don't dump function if it will be dumped after ipa
12985         transform.
12986
12987 2016-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
12988
12989         * genrecog.c (match_pattern_2): If pred is NULL don't call
12990         safe_predicate_mode on it.
12991
12992 2016-03-14  Jakub Jelinek  <jakub@redhat.com>
12993
12994         PR middle-end/70219
12995         * lra-constraints.c (delete_move_and_clobber): Change assertion
12996         to also allow dregno == 0.
12997
12998 2016-03-14  Richard Henderson  <rth@redhat.com>
12999
13000         PR tree-opt/68714
13001         * tree-ssa-reassoc.c (ovce_extract_ops, optimize_vec_cond_expr): New.
13002         (can_reassociate_p): Allow ANY_INTEGRAL_TYPE_P.
13003         (reassociate_bb): Use optimize_vec_cond_expr; avoid
13004         optimize_range_tests, attempt_builtin_copysign and attempt_builtin_powi
13005         on vectors.
13006
13007 2016-03-14  Bernd Schmidt  <bschmidt@redhat.com>
13008
13009         PR target/70083
13010         * lra-lives.c (process_bb_lives): Also update biggest mode for hard
13011         regs.
13012         (lra_create_live_ranges_1): initialize hard register biggest_mode to
13013         VOIDmode.
13014         * lra-constraints.c (split_reg): For hard regs, try to find the
13015         biggest single-register mode used in the function.
13016
13017 2016-03-14  Richard Biener  <rguenther@suse.de>
13018
13019         PR tree-optimization/56365
13020         * tree-ssa-phiopt.c (minmax_replacement): Handle alternate
13021         constants to compare against.
13022
13023 2016-03-14  Segher Boessenkool  <segher@kernel.crashing.org>
13024
13025         PR target/70098
13026         * config/rs6000/rs6000.md (*ctr<mode>_internal1, *ctr<mode>_internal2,
13027         *ctr<mode>_internal5, *ctr<mode>_internal6): Also allow "d" as output.
13028         (define_split for the GPR case): Use int_reg_operand instead of
13029         gpc_reg_operand for the output.
13030
13031 2016-03-14  Tom de Vries  <tom@codesourcery.com>
13032
13033         PR tree-optimization/70045
13034         * graphite-isl-ast-to-gimple.c (graphite_create_new_loop_guard): Unshare
13035         create_empty_if_region_on_edge argument.
13036
13037 2016-03-13  Eric Botcazou  <ebotcazou@adacore.com>
13038
13039         * config/arm/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Define.
13040         (STACK_CHECK_PROTECT): Likewise.
13041         * config/i386/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
13042         (STACK_CHECK_PROTECT): Likewise.
13043         * config/rs6000/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
13044         (STACK_CHECK_PROTECT): Likewise.
13045         * config/rs6000/vxworksae.h (STACK_CHECK_PROTECT): Likewise.
13046         * config/sparc/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
13047         (STACK_CHECK_PROTECT): Likewise.
13048
13049 2016-03-12  Andrey Belevantsev  <abel@ispras.ru>
13050
13051         PR rtl-optimization/69307
13052         * sel-sched.c (choose_best_pseudo_reg): Properly check for hard
13053         registers in modes that span more than one register.
13054
13055 2016-03-12  Vladimir Makarov  <vmakarov@redhat.com>
13056
13057         PR target/69614
13058         * lra-constraints.c (delete_move_and_clobber): New.
13059         (remove_inheritance_pseudos): Use it.
13060
13061 2016-03-12  Eric Botcazou  <ebotcazou@adacore.com>
13062
13063         PR ada/70017
13064         * calls.c (emit_library_call_value_1): Clear the ECF_NOTHROW flag if
13065         the libcall is LCT_THROW.
13066         * explow.c (probe_stack_range): Pass LCT_THROW to emit_library_call
13067         for the checking routine.
13068
13069 2016-03-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
13070
13071         PR target/70131
13072         * config/rs6000/rs6000.md (round32<mode>2_fprs): Do not do the
13073         optimization if we have direct move.
13074         (roundu32<mode>2_fprs): Likewise.
13075
13076 2016-03-11  Bernd Schmidt  <bschmidt@redhat.com>
13077
13078         PR target/70123
13079         * lra-remat.c (operand_to_remat): Disallow hard regs in the value t
13080         be rematerialized.
13081         (reg_overlap_for_remat_p): Renamed from input_regno_present_p.
13082         Arguments swapped.  All callers changed.  Take reg_renumber into
13083         account, and Calculate and compare register ranges for hard regs.
13084
13085 2016-03-11  Jeff Law  <law@redhat.com>
13086
13087         PR tree-optimization/70190
13088         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
13089         Handle cases where we can not extract the taken edge, even though we
13090         found a constant value.
13091
13092         PR tree-optimization/64058
13093         * tree-ssa-coalesce.c (struct coalesce_pair): Add new field INDEX.
13094         (num_coalesce_pairs): Move up earlier in file.
13095         (find_coalesce_pair): Initialize the INDEX field for each pair
13096         discovered.
13097         (compare_pairs): No longer sort on the elements in each pair.
13098         Instead break ties with the index of the coalesce pair.
13099
13100 2016-03-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13101
13102         PR target/70002
13103         * config/aarch64/aarch64-protos.h
13104         (aarch64_save_restore_target_globals): New prototype.
13105         * config/aarch64/aarch64-c.c (aarch64_pragma_target_parse):
13106         Call the above when popping pragma.
13107         * config/aarch64/aarch64.c (aarch64_save_restore_target_globals):
13108         New function.
13109         (aarch64_set_current_function): Rewrite using the above.
13110
13111 2016-03-11  Jakub Jelinek  <jakub@redhat.com>
13112
13113         PR tree-optimization/70177
13114         * gimple-expr.h (extract_ops_from_tree_1): Renamed to ...
13115         (extract_ops_from_tree): ... this.  In the 2 argument
13116         overload remove _1 suffix.
13117         * gimple-expr.c (extract_ops_from_tree_1): Renamed to ...
13118         (extract_ops_from_tree): ... this.
13119         * gimple.c (gimple_build_assign, gimple_assign_set_rhs_from_tree):
13120         Adjust callers.
13121         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
13122         * tree-ssa-forwprop.c (defcodefor_name): Call 3 operand
13123         extract_ops_from_tree instead of 2 operand one.
13124
13125 2016-03-11  Alan Lawrence  <alan.lawrence@arm.com>
13126
13127         PR tree-optimization/70013
13128         * tree-sra.c (analyze_access_subtree): Also set grp_unscalarized_data
13129         for constant-pool entries.
13130
13131 2016-03-11  Jakub Jelinek  <jakub@redhat.com>
13132
13133         PR rtl-optimization/70174
13134         * expmed.c (store_bit_field_using_insv): Use gen_lowpart_if_possible
13135         followed by gen_lowpart on force_reg instead of just gen_lowpart.
13136
13137         PR tree-optimization/70169
13138         * tree-ssa-loop.c (gen_lsm_tmp_name): Handle FUNCTION_DECL and
13139         LABEL_DECL like VAR_DECL.  Emit nothing instead of gcc_unreachable
13140         for unknown codes.
13141
13142 2016-03-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
13143             Jakub Jelinek  <jakub@redhat.com>
13144
13145         PR target/70160
13146         * config/i386/i386.c (scalar_chain::convert_reg): Skip uses
13147         of uninitialized values.
13148
13149 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
13150
13151         * config/s390/s390.md ("trunctddd2"): Turn former define_insn into
13152         define_expand.
13153         ("*trunctddd2"): New pattern definition.
13154         ("trunctdsd2"): Set prep_for_short_prec rounding mode for the
13155         TD->DD truncation.
13156
13157 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
13158
13159         * config/s390/s390.md (BFP_RND_*, DFP_RND_*): Add new constant
13160         definitions for BFP and DFP rounding modes.
13161         ("fixuns_truncdddi2", "fixuns_trunctddi2")
13162         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2")
13163         ("fix_trunc<DSF:mode><GPR:mode>2", "fix_trunc<mode>di2")
13164         ("fix_trunctf<mode>2"): Use the new constants instead of magic
13165         numbers.
13166
13167 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
13168
13169         * config/s390/constraints.md: Adjust comment.
13170         ("Y"): Adjust comment.  Rename s390_decompose_shift_count to
13171         s390_decompose_addrstyle_without_index.
13172         * config/s390/predicates.md (shift_count_or_setmem_operand):
13173         Rename to setmem_operand.
13174         * config/s390/s390-protos.h
13175         (s390_decompose_shift_count): Rename to
13176         s390_decompose_addrstyle_without_index.
13177         * config/s390/s390.c (s390_decompose_shift_count)
13178         (s390_mem_constraint, print_shift_count_operand)
13179         (print_operand_address, print_operand): Rename
13180         s390_decompose_shift_count to
13181         s390_decompose_addrstyle_without_index and rename
13182         print_shift_count_operand to print_addrstyle_operand troughout the
13183         file.
13184         * config/s390/s390.md ("setmem_long_<P:mode>", "*setmem_long")
13185         ("*setmem_long_and", "*setmem_long_31z", "*setmem_long_and_31z"):
13186         Rename shift_count_or_setmem_operand to setmem_operand.
13187         * config/s390/vx-builtins.md ("vec_insert<mode>")
13188         ("vec_promote<mode>"): Replace shift_count_or_setmem_operand with
13189         nonmemory_operand.
13190
13191 2016-03-10  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
13192
13193         PR target/70168
13194         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
13195         Handle overlapping retval and newval.
13196
13197 2016-03-10  Nick Clifton  <nickc@redhat.com>
13198
13199         PR target/7044
13200         * config/aarch64/aarch64.c
13201         (aarch64_override_options_after_change_1): When forcing
13202         flag_omit_frame_pointer to be true, use a special value that can
13203         be detected if this function is called again, thus preventing
13204         flag_omit_leaf_frame_pointer from being forced to be false.
13205
13206 2016-03-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13207
13208         * common/config/aarch64/aarch64-common.c (aarch64_handle_option):
13209         Set x_flag_omit_leaf_frame_pointer when handling
13210         -momit-leaf-frame-pointer.
13211
13212 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
13213
13214         PR lto/69589
13215         * cgraph.c (cgraph_node::dump): Dump split_part and
13216         indirect_call_target.
13217         * cgraph.h (cgraph_node): Add indirect_call_target flag.
13218         * ipa.c (has_addr_references_p): Cleanup.
13219         (is_indirect_call_target_p): New.
13220         (walk_polymorphic_call_targets): Do not mark virtuals that may be
13221         called indirectly as local.
13222         (symbol_table::remove_unreachable_nodes): Compute indirect_call_target.
13223
13224 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
13225
13226         PR ipa/69630
13227         * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
13228         on cxa_pure_virtual.
13229
13230 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
13231
13232         PR lto/69589
13233         * tree.c (free_lang_data_in_decl): Clear visibility of TYPE_DECL.
13234
13235 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
13236
13237         PR lto/69589
13238         * tree.c (need_assembler_name_p): Only record main variant type names.
13239
13240 2016-03-10  Christophe Lyon  <christophe.lyon@linaro.org>
13241
13242         PR target/70113.
13243         * config/aarch64/aarch64.h (TARGET_FIX_ERR_A53_843419_DEFAULT):
13244         Always define to 0 or 1.
13245         (TARGET_FIX_ERR_A53_843419): New macro.
13246         * config/aarch64/aarch64-elf-raw.h
13247         (TARGET_FIX_ERR_A53_843419_DEFAULT): Update for above changes.
13248         * config/aarch64/aarch64-linux.h: Likewise.
13249         * config/aarch64/aarch64.c
13250         (aarch64_override_options_after_change_1): Do not default
13251         aarch64_nopcrelative_literal_loads to true if Cortex-A53 erratum
13252         843419 is on.
13253         (aarch64_attributes): Handle fix-cortex-a53-843419.
13254         (aarch64_can_inline_p): Likewise.
13255         * config/aarch64/aarch64.opt (aarch64_fix_a53_err843419): Save.
13256
13257 2016-03-10  Alan Lawrence  <alan.lawrence@arm.com>
13258         Jakub Jelinek <jakub@redhat.com>
13259
13260         * common.opt (funconstrained-commons, flag_unconstrained_commons): New.
13261         * tree.c (array_at_struct_end_p): Do not limit to size of decl for
13262         DECL_COMMONS if flag_unconstrained_commons is set.
13263         * tree-dfa.c (get_ref_base_and_extent): Likewise.
13264         * doc/invoke.texi (Optimize Options): Add -funconstrained-commons.
13265         (funconstrained-commons): Document.
13266
13267 2016-03-10  Christophe Lyon  <christophe.lyon@linaro.org>
13268
13269         * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add
13270         aarch64-fusion-pairs.def and aarch64-tuning-flags.def
13271
13272 2016-03-10  Ilya Enkovich  <enkovich.gnu@gmail.com>
13273
13274         * tree-vect-stmts.c (vectorizable_mask_load_store): Check mask
13275         has a proper number of elements.
13276
13277 2016-03-10  Alan Modra  <amodra@gmail.com>
13278
13279         PR rtl-optimization/69195
13280         PR rtl-optimization/47992
13281         * ira.c (recorded_label_ref): Delete.
13282         (update_equiv_regs): Return void.
13283         (indirect_jump_optimize): New function.
13284         (ira): Call indirect_jump_optimize and delete_trivially_dead_insns
13285         before regstat_compute_ri.  Don't rebuild_jump_labels here.
13286         Delete update_regstat.
13287
13288 2016-03-10  Richard Biener  <rguenther@suse.de>
13289
13290         PR tree-optimization/70128
13291         * tree-ssa-structalias.c (set_uids_in_ptset): Set
13292         vars_contains_nonlocal for any FUNCTION_DECL or LABEL_DECL.
13293
13294 2016-03-09  Jakub Jelinek  <jakub@redhat.com>
13295
13296         PR tree-optimization/70152
13297         * tree-sra.c (replace_removed_params_ssa_names): Copy over
13298         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from old_name to new_name.
13299
13300         PR target/70086
13301         * config/i386/i386.md (truncdfsf2 splitter): Use gen_vec_concatv2df
13302         instead of gen_sse2_loadlpd.
13303         * config/i386/sse.md (*vec_concatv2df): Rename to...
13304         (vec_concatv2df): ... this.
13305
13306         PR tree-optimization/70127
13307         * fold-const.c (operand_equal_p): Revert the 2015-10-28 change.
13308
13309 2016-03-09  David Malcolm  <dmalcolm@redhat.com>
13310
13311         PR c/68473
13312         PR c++/70105
13313         * diagnostic-show-locus.c (compatible_locations_p): New function.
13314         (layout::layout): Sanitize ranges using compatible_locations_p.
13315
13316 2016-03-09  David Malcolm  <dmalcolm@redhat.com>
13317
13318         PR c/68473
13319         PR c++/70105
13320         * diagnostic-show-locus.c (layout_range::layout_range): Replace
13321         location_range param with three const expanded_locations * and a
13322         bool.
13323         (layout::layout): Replace call to
13324         rich_location::lazily_expand_location with get_expanded_location.
13325         Extract the range and perform location expansion here, passing
13326         the results to the layout_range ctor.
13327         * diagnostic.c (source_range::debug): Delete.
13328         * diagnostic.h (diagnostic_expand_location): Reimplement in terms
13329         of rich_location::get_expanded_location.
13330         * gcc-rich-location.c (get_range_for_expr): Delete.
13331         (gcc_rich_location::add_expr): Reimplement to avoid the
13332         rich_location::add_range overload that took a location_range,
13333         passing a location_t instead.
13334
13335 2016-03-09  Richard Biener  <rguenther@suse.de>
13336         Jakub Jelinek  <jakub@redhat.com>
13337
13338         PR tree-optimization/70138
13339         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
13340         Also skip vect_double_reduction_def.
13341
13342 2016-03-09  Jakub Jelinek  <jakub@redhat.com>
13343
13344         PR target/70049
13345         * config/i386/sse.md (*vec_extract<mode>): Use %0 instead of %k0
13346         if the operand is "m".
13347
13348 2016-03-09  Nathan Sidwell  <nathan@acm.org>
13349
13350         * config/nvptx/nvptx.c (nvptx_option_override): Don't kill debug level.
13351
13352 2016-03-09  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
13353
13354         * config/i386/i386.c (processor_target_table): Fix cost table
13355         intialization order for znver1.
13356
13357 2016-03-08  Jakub Jelinek  <jakub@redhat.com>
13358
13359         * ipa-polymorphic-call.c (walk_ssa_copies): Fix spelling
13360         - becuase -> because.
13361         * ipa-reference.c (ignore_module_statics): Likewise.
13362         * cgraph.c (cgraph_node::get_body): Likewise.
13363         * ipa-inline.c (early_inliner): Likewise.
13364         * ipa-devirt.c (types_same_for_odr): Likewise.
13365         * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
13366         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Likewise.
13367
13368 2016-03-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13369
13370         * tree-ssa-math-opts.c: Fix typo in comment.
13371
13372 2016-03-08  Jakub Jelinek  <jakub@redhat.com>
13373
13374         PR target/70110
13375         * config/i386/i386.c (scalar_chain::make_vector_copies,
13376         scalar_chain::convert_reg): Call end_sequence in between
13377         get_insns and emit_conversion_insns rather than after both
13378         calls.
13379
13380 2016-03-07  Uros Bizjak  <ubizjak@gmail.com>
13381
13382         PR target/70064
13383         * config/i386/i386.h (machine_function): Add
13384         pc_thunk_call_expanded flag.
13385         (ix86_pc_thunk_call_expanded): New define.
13386         * config/i386/i386.md (set_got, set_got_labelled): New expanders.
13387         (*set_got): Rename insn pattern from set_got.
13388         (*set_got_labelled): Rename inst pattern from set_got_labelled.
13389         * config/i386/i386.c (ix86_compute_frame_layout): Use
13390         ix86_pc_thunk_call_expanded to prevent red-zone.
13391
13392 2016-03-07  Martin Jambor  <mjambor@suse.cz>
13393
13394         * hsa.h (hsa_get_ctor_statements): Declare.
13395         (hsa_get_dtor_statements): Likewise.
13396         (hsa_get_kernel_dispatch_type): Likewise.
13397         * hsa.c (hsa_get_ctor_statements): New function.
13398         (hsa_get_dtor_statements): Likewise.
13399         (hsa_get_kernel_dispatch_type): Likewise.
13400         * hsa-brig.c (hsa_cdtor_statements): Removed.
13401         (hsa_output_libgomp_mapping): Use hsa_get_ctor_statements and
13402         hsa_get_dtor_statements.
13403         * hsa-gen.c (hsa_kernel_dispatch_type): Removed.
13404         (get_hsa_kernel_dispatch_offset): Use hsa_get_kernel_dispatch_type.
13405
13406 2016-03-07  Andre Vieira  <andre.simoesdiasvieira@arm.com>
13407
13408         * config/arm/arm-cores.def (cortex-r8): New.
13409         * config/arm/arm-tables.opt (cortex-r8): Regenerate.
13410         * config/arm/arm-tune.md: Likewise.
13411         * doc/invoke.texi: Add cortex-r8 to list of cpu values.
13412
13413 2016-03-07  Martin Sebor  <msebor@redhat.com>
13414
13415         PR rtl-optimization/19705
13416         * doc/invoke.texi (Options That Control Optimization): Clarify
13417         -fno-branch-count-reg.
13418
13419 2016-02-26  Richard Biener  <rguenther@suse.de>
13420             Jeff Law  <law@redhat.com>
13421
13422         PR tree-optimization/69740
13423         * cfghooks.c (remove_edge): Request loop fixups if we delete
13424         an edge that might turn an irreducible loop into a natural
13425         loop.
13426         * cfgloop.h (check_verify_loop_structure): Clear LOOPS_NEED_FIXUP.
13427         Move after definition of loops_state_clear.
13428
13429 2016-03-07  Bin Cheng  <bin.cheng@arm.com>
13430
13431         PR rtl-optimization/69052
13432         * rtlanal.c (commutative_operand_precedence): Set higher precedence
13433         to CONST_WIDE_INT.
13434
13435 2016-03-07  Tom de Vries  <tom@codesourcery.com>
13436
13437         PR tree-optimization/70116
13438         * tree-ssa-tail-merge.c (merge_stmts_p): New function, handling
13439         is_tm_ending stmts and ubsan/asan internal functions.
13440         (find_duplicate): Use it.  Don't test is_tm_ending here.
13441
13442 2016-03-07  Richard Biener  <rguenther@suse.de>
13443
13444         PR tree-optimization/70115
13445         * tree-ssa-loop-ivcanon.c (propagate_into_all_uses): Remove.
13446         (propagate_constants_for_unrolling): Use replace_uses_by.
13447
13448 2016-03-07  Nathan Sidwell  <nathan@codesourcery.com>
13449
13450         PR middle-end/69916
13451         * omp-low.c (struct oacc_loop): Add ifns.
13452         (new_oacc_loop_raw): Initialize it.
13453         (finish_oacc_loop): Clear mask & flags if no ifns.
13454         (oacc_loop_discover_walk): Count IFN_GOACC_LOOP calls.
13455         (oacc_loop_xform_loop): Add ifns arg & adjust.
13456         (oacc_loop_process): Adjust oacc_loop_xform_loop call.
13457
13458 2016-03-07  Richard Henderson  <rth@redhat.com>
13459
13460         PR rtl-opt/70061
13461         * tree-outofssa.c (emit_partition_copy): Flush pending stack adjust.
13462         (insert_value_copy_on_edge): Likewise.
13463
13464 2016-03-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13465
13466         * config/arm/arm_neon.h: Show error if using with soft-float ABI.
13467
13468 2016-03-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
13469
13470         PR target/62281
13471         * config/i386/sol2.h (STACK_REALIGN_DEFAULT): Define.
13472
13473 2016-03-05  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>
13474
13475         * config/i386/i386.c (znver1_cost): Fix Multiply cost.
13476
13477 2016-03-05  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>
13478
13479         Fix sseimul type attribute.
13480         * config/i386/znver1.md
13481         (znver1_sseimul, znver1_sseimul_avx256, znver1_sseimul_load,
13482         znver1_sseimul_avx256_load) : Fix the type attribute.
13483         (znver1_sseimul_di, znver1_sseimul_load_di): Fix type attribute,
13484         pipe usage and latency.
13485
13486 2016-03-05  Jakub Jelinek  <jakub@redhat.com>
13487
13488         PR c++/70084
13489         * tree-inline.c (copy_tree_body_r): When cancelling ADDR_EXPR
13490         of INDIRECT_REF and ADDR_EXPR changed type, fold_convert it
13491         to the right type.
13492
13493 2016-03-04  Bernd Schmidt  <bschmidt@redhat.com>
13494
13495         PR c/69973
13496         * targhooks.c (default_vector_alignment): Limit to MAX_OFILE_ALIGNMENT.
13497
13498         PR rtl-optimization/69941
13499         * postreload.c (reload_combine_recognize_pattern): Ensure all uses of
13500         the reg share its mode.
13501
13502 2016-03-04  Jeff Law  <law@redhat.com>
13503
13504         PR tree-optimization/69196
13505         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
13506         If the both SSA_NAMEs are anonymous, then consider them unassociated
13507         and include the PHI in the statement count.
13508
13509 2016-03-05  Tom de Vries  <tom@codesourcery.com>
13510
13511         * omp-low.c (check_omp_nesting_restrictions): Check for non-oacc
13512         construct in oacc routine.  Check for oacc region in oacc routine.
13513
13514 2016-03-04  Jakub Jelinek  <jakub@redhat.com>
13515
13516         PR target/70062
13517         * config/i386/i386.c (decide_alg): Add RECUR argument.  Revert
13518         2016-02-22 changes, instead don't recurse if RECUR is already true.
13519         Don't change *dynamic_check if RECUR.  Adjust recursive caller
13520         to pass true to the new argument.
13521         (ix86_expand_set_or_movmem): Adjust decide_alg caller.
13522
13523         PR target/70059
13524         * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
13525         <extract_type_2>_vinsert<shuffletype><extract_suf_2>_mask): Formatting
13526         fixes.
13527         (vec_set_hi_<mode><mask_name>): Likewise.  Swap VEC_CONCAT operands.
13528
13529 2016-03-04  Bernd Schmidt  <bschmidt@redhat.com>
13530
13531         PR rtl-optimization/57676
13532         * lra-assigns.c (lra_assign): Guard test for maximum iterations
13533         with flag_checking.
13534
13535 2016-03-04  Ilya Enkovich  <enkovich.gnu@gmail.com>
13536
13537         * tree-vect-patterns.c (search_type_for_mask): Handle
13538         comparison of booleans.
13539
13540 2016-03-04  Jakub Jelinek  <jakub@redhat.com>
13541
13542         * doc/extend.texi (__builtin_alloca, __builtin_alloca_with_align):
13543         Fix @xref usage.
13544
13545         PR debug/69947
13546         * dwarf2out.c (prune_unused_types_walk_loc_descr): Handle
13547         all other ops that have dw_val_class_die_ref operands,
13548         and DW_OP_GNU_entry_value.
13549
13550 2016-03-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13551
13552         PR rtl-optimization/69904
13553         * config/arm/arm.c (arm_cannot_copy_insn_p):
13554         Return true for load-exclusive instructions.
13555
13556 2016-03-03  Jakub Jelinek  <jakub@redhat.com>
13557
13558         PR target/70021
13559         * tree-vect-stmts.c (vect_mark_relevant): Remove USED_IN_PATTERN
13560         argument, if STMT_VINFO_IN_PATTERN_P (stmt_info), always mark
13561         the pattern no matter if it is used just by non-pattern, pattern
13562         or mix thereof.
13563         (process_use, vect_mark_stmts_to_be_vectorized): Adjust callers.
13564         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
13565         oprnd1 def_stmt is in pattern, don't look through it.
13566
13567 2016-03-03  Marek Polacek  <polacek@redhat.com>
13568
13569         PR middle-end/70050
13570         * match.pd (X % -Y): Add INTEGRAL_TYPE_P check.
13571
13572 2016-03-03  Martin Liska  <mliska@suse.cz>
13573
13574         PR tree-optimization/70043
13575         * tree-vect-loop.c (optimize_mask_stores): Move iterator to
13576         previous statement if we see a debug statement.
13577
13578 2016-03-03  Richard Biener  <rguenther@suse.de>
13579
13580         PR tree-optimization/55936
13581         * tree-vrp.c (compare_name_with_value): Add use_equiv_p
13582         parameter and guard unsafe equivalence use.
13583         (vrp_evaluate_conditional_warnv_with_ops): Always use
13584         safe equivalences but not via the quadratic compare_names
13585         helper.
13586
13587 2016-03-03  Michael Collison  <michael.collison@linaro.org>
13588
13589         PR target/70014
13590         * config/arm/arm.md (*subsi3_carryin_const): Change predicate
13591         for operand 1 to s_register_operand. Change predicate for operand
13592         2 to arm_not_immediate_operand.
13593
13594 2016-03-02  H.J. Lu  <hongjiu.lu@intel.com>
13595
13596         * doc/tm.texi: Regenerated.
13597
13598 2016-03-02  Richard Henderson  <rth@redhat.com>
13599
13600         PR rtl-opt/67145
13601         * simplify-rtx.c (simplify_plus_minus): Allow reassoc without
13602         simplification when all args are positive non-fixed registers.
13603
13604 2016-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
13605
13606         * target.def (lra_p): Specify that new ports should use LRA.
13607
13608 2016-03-02  Jakub Jelinek  <jakub@redhat.com>
13609
13610         PR libgomp/69555
13611         * gimplify.c (gimplify_decl_expr): For decls with REFERENCE_TYPE, also
13612         gimplify_type_sizes the type they refer to.
13613         (omp_notice_variable): Handle reference vars to VLAs.
13614         * omp-low.c (lower_omp_target): Emit setup of OMP_CLAUSE_PRIVATE
13615         reference to VLA decls in the second pass instead of first pass.
13616
13617 2016-03-02  Tom de Vries  <tom@codesourcery.com>
13618
13619         PR tree-optimization/68659
13620         * graphite-isl-ast-to-gimple.c (collect_all_ssa_names): Handle
13621         new_expr == NULL_TREE.
13622         (get_new_name): Handle ADDR_EXPR.
13623
13624 2016-03-02  Bin Cheng  <bin.cheng@arm.com>
13625
13626         PR rtl-optimization/69052
13627         * loop-invariant.c (canonicalize_address): New function.
13628         (inv_can_prop_to_addr_use): Check validity of address expression
13629         which is canonicalized by above function.
13630
13631 2016-03-02  Alan Modra  <amodra@gmail.com>
13632
13633         PR ipa/69990
13634         * ipa-icf.c (sem_variable::merge): Do not merge an alias with
13635         larger alignment.
13636
13637 2016-03-02  Jakub Jelinek  <jakub@redhat.com>
13638
13639         PR target/70028
13640         * config/i386/i386.md (kmovw): Move m constraint to 2nd alternative.
13641         (*movhi_internal): Put mask moves from and to memory separately
13642         from moves from/to GPRs.
13643
13644 2016-03-02  Richard Biener  <rguenther@suse.de>
13645
13646         * genmatch.c (dt_node::gen_kids): Fix match code-gen for embedded
13647         GENERIC expressions in GIMPLE.
13648
13649 2016-03-02  Richard Biener  <rguenther@suse.de>
13650
13651         * config/i386/i386.c (type_natural_mode): Fix typo.
13652
13653 2016-03-02  Nick Clifton  <nickc@redhat.com>
13654
13655         * config.gcc (mep-*-elf): Add newlib-stdint.h to tm_file.
13656
13657 2016-03-02  Richard Biener  <rguenther@suse.de>
13658             Uros Bizjak  <ubizjak@gmail.com>
13659
13660         PR target/67278
13661         * config/i386/i386.c (type_natural_mode): Handle XFmode vectors.
13662
13663 2016-03-02  Richard Biener  <rguenther@suse.de>
13664
13665         PR middle-end/67278
13666         * tree-cfg.c (verify_expr): Adjust BIT_FIELD_REF case.
13667
13668 2016-03-02  Marek Polacek  <polacek@redhat.com>
13669
13670         PR c/67854
13671         * gimplify.c (gimplify_va_arg_expr): Use expanded location for the
13672         "is promoted to" warning.
13673
13674 2016-03-01  DJ Delorie  <dj@redhat.com>
13675
13676         * config.gcc: Deprecate mep-*.
13677
13678 2016-03-01  Vladimir Makarov  <vmakarov@redhat.com>
13679
13680         PR middle-end/70025
13681         * lra-constraints.c (regno_val_use_in): New.
13682         (match_reload): Use it instead of regno_use_in.
13683
13684 2016-03-01  Eric Botcazou  <ebotcazou@adacore.com>
13685
13686         PR rtl-optimization/70007
13687         * gcse.c (compute_ld_motion_mems): Tidy up and also invalidate memory
13688         references present in REG_EQUAL notes attached to non-SET patterns.
13689
13690 2016-03-01  Jeff Law  <law@redhat.com>
13691
13692         PR tree-optimization/69196
13693         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
13694         Appropriately clamp the number of statements to copy when the
13695         thread path does not traverse a loop backedge.
13696
13697         PR tree-optimization/69196
13698         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
13699         Do count some PHIs in the thread path against the insn count.  Decrease
13700         final statement count by one as the control statement in the last
13701         block will get removed.  Remove special cased code for handling PHIs
13702         in the last block.
13703
13704 2016-03-01  Uros Bizjak  <ubizjak@gmail.com>
13705
13706         PR target/70027
13707         * config/i386/i386.c (ix86_output_call_insn): Add -masm=intel
13708         asm dialect alternatives to explicit GOTPCREL calls.
13709
13710 2016-03-01  Eric Botcazou  <ebotcazou@adacore.com>
13711
13712         PR ada/70017
13713         * ira.c (do_reload): Issue warning for generic stack checking here...
13714         * reload1.c (reload): ...instead of here and streamline it.
13715
13716 2016-03-01  Nick Clifton  <nickc@redhat.com>
13717
13718         * config.gcc (cr16-*-elf): Add newlib-stdint.h to tm_file.
13719
13720 2016-03-01  Richard Biener  <rguenther@suse.de>
13721
13722         PR tree-optimization/69983
13723         * tree-chrec.c (eq_evolutions_p): Handle conversions, compare
13724         types and fall back to operand_equal_p.
13725
13726 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
13727
13728         Revert
13729         2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
13730
13731         * config/s390/constraints.md ("jm8"): New constraint.
13732         * config/s390/predicates.md ("const_int_8bitset_operand"): New
13733         predicate.
13734         * config/s390/s390.md ("*setmem_long", "*setmem_long_and"): Merge
13735         into ...
13736         ("*setmem_long<setmem_and>"): New pattern.
13737         ("*setmem_long_31z", "*setmem_long_and_31z"): Merge
13738         into ...
13739         ("*setmem_long_31z<setmem_and>"): New pattern.
13740         * config/s390/subst.md ("setmem_31z_subst", "setmem_and_subst"):
13741         New substitution rules with the required attributes.
13742
13743
13744 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
13745
13746         Revert
13747         2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
13748
13749         * gensupport.c (process_substs_on_one_elem): Split loop to
13750         complete mark_operands_used_in_match_dup on all expressions in the
13751         vector first.
13752         (adjust_operands_numbers): Inline into process_substs_on_one_elem
13753         and remove function.
13754
13755 2016-03-01  Richard Biener  <rguenther@suse.de>
13756
13757         PR middle-end/70022
13758         * fold-const.c (fold_indirect_ref_1): Fix range checking for
13759         vector BIT_FIELD_REF extract.
13760
13761 2016-03-01  Richard Biener  <rguenther@suse.de>
13762
13763         PR tree-optimization/69994
13764         * tree-ssa-reassoc.c (ops_equal_values_p): Handle missing case.
13765
13766 2016-03-01  Ilya Enkovich  <enkovich.gnu@gmail.com>
13767
13768         PR tree-optimization/69956
13769         * tree-vect-stmts.c (supportable_widening_operation): Support
13770         multi-step conversion of boolean vectors.
13771         (supportable_narrowing_operation): Likewise.
13772
13773 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
13774
13775         * config/s390/s390.c (s390_decompose_address): Don't accept SImode
13776         anymore.
13777
13778 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
13779
13780         * config/s390/subst.md (DSI_VI): New mode iterator.
13781         ("addr_style_op_subst"): Use DSI_VI instead of DSI.
13782         * config/s390/vector.md ("vec_set<mode>"): Move expander before
13783         the insn definition.
13784         ("*vec_set<mode>"): Change predicate and add alternative to
13785         support only either register or const_int operands as element
13786         selector.
13787         ("*vec_set<mode>_plus"): New pattern to support reg + const_int
13788         operands.
13789         ("vec_extract<mode>"): New expander.
13790         ("*vec_extract<mode>"): New insn definition supporting reg and
13791         const_int element selectors.
13792         ("*vec_extract<mode>_plus"): New insn definition supporting
13793         reg+const_int element selectors.
13794         ("rotl<mode>3", "ashl<mode>3", "ashr<mode>3"): Merge into the
13795         following expander+insn definition.
13796         ("<vec_shifts_name><mode>3"): New expander.
13797         ("*<vec_shifts_name><mode>3<addr_style_op>"): New insn definition.
13798
13799 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
13800
13801         * config/s390/s390.md ("*tabort_1"): Change predicate to
13802         nonmemory_operand.  Add a second alternative to cover
13803         register as well as const int operands.
13804         ("*tabort_1_plus"): New pattern definition.
13805
13806 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
13807
13808         * config/s390/s390.md ("*ashrdi3_cc_31")
13809         ("*ashrdi3_cconly_31""*ashrdi3_cc_31_and")
13810         ("*ashrdi3_cconly_31_and", "*ashrdi3_31_and", "*ashrdi3_31"):
13811         Merge insn definitions into ...
13812         ("*ashrdi3_31<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
13813         New pattern definition.
13814         ("*ashr<mode>3_cc", "*ashr<mode>3_cconly", "ashr<mode>3", )
13815         ("*ashr<mode>3_cc_and", "*ashr<mode>3_cconly_and")
13816         ("*ashr<mode>3_and"): Merge insn definitions into ...
13817         ("*ashr<mode>3<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
13818         New pattern definition.
13819         * config/s390/subst.md ("addr_style_op_cc_subst")
13820         ("masked_op_cc_subst", "setcc_subst", "cconly_subst"): New
13821         substitutions patterns plus attributes.
13822         Add ashiftrt to SUBST iterator.
13823
13824 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
13825
13826         * config/s390/s390.md ("<shift><mode>3"): Change predicate of
13827         op2 to nonmemory_operand.
13828         ("*<shift>di3_31", "*<shift>di3_31_and"):
13829         Merge into single pattern definition ...
13830         ("*<shift>di3_31<addr_style_op><masked_op>"): New pattern.
13831         ("*<shift><mode>3", "*<shift><mode>3_and"): Merge into single
13832         pattern definition ...
13833         ("*<shift><mode>3<addr_style_op><masked_op>"): New pattern.
13834         * config/s390/subst.md: Add ashift and lshiftrt to SUBST
13835         iterator.
13836
13837 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
13838
13839         * config/s390/predicates.md (const_int_6bitset_operand): New
13840         predicate.
13841         * config/s390/s390.md: Include subst.md.
13842         ("rotl<mode>3"): New expander.
13843         ("rotl<mode>3", "*rotl<mode>3_and"): Merge insn definitions into
13844         ...
13845         ("*rotl<mode>3<addr_style_op><masked_op>"): New insn definition.
13846         * config/s390/subst.md: New file.
13847
13848 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
13849
13850         * config/s390/s390.md ("op_type", "atype", "length" attributes):
13851         Remove RRR type.  It doesn't really exist.
13852         ("RRer", "f0", "v0", "vf", "vd", "op1", "Rf"): Remove mode
13853         attributes.
13854         ("BFP", "DFP", "nDSF", "nDFDI"): Add mode attributes.
13855         ("*cmp<mode>_ccs", "floatdi<mode>2", "add<mode>3")
13856         ("*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3")
13857         ("*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3")
13858         ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2")
13859         ("*abs<mode>2", "*negabs<mode>2", "sqrt<mode>2"): Override
13860         `enabled' attribute.
13861
13862 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
13863
13864         * gensupport.c (process_substs_on_one_elem): Split loop to
13865         complete mark_operands_used_in_match_dup on all expressions in the
13866         vector first.
13867         (adjust_operands_numbers): Inline into process_substs_on_one_elem
13868         and remove function.
13869
13870 2016-02-29  Eric Botcazou  <ebotcazou@adacore.com>
13871
13872         PR target/69706
13873         * config/sparc/sparc.c (NWORDS_UP): Rename to...
13874         (CEIL_NWORDS): ...this.  Use CEIL macro.
13875         (compute_fp_layout): Adjust to above renaming.
13876         (function_arg_union_value): Likewise.
13877         (sparc_arg_partial_bytes): Likewise.
13878         (sparc_function_arg_advance): Likewise.
13879
13880 2016-02-29  Jeff Law  <law@redhat.com>
13881
13882         PR tree-optimization/70005
13883         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Handle case
13884         where an object with a boolean range is compared against a value
13885         outside [0..1].
13886
13887         PR tree-optimization/69999
13888         * gimple-ssa-split-paths.c (split_paths): When duplicating a block
13889         with an outgoing edge marked with EDGE_IRREDUCIBLE_LOOP, schedule
13890         loop cleanups.
13891
13892 2016-02-29  Richard Biener  <rguenther@suse.de>
13893
13894         PR tree-optimization/69994
13895         * tree-ssa-reassoc.c (gimple_nop_conversion_p): New function.
13896         (get_unary_op): Look through nop conversions.
13897         (ops_equal_values_p): New function, look for equality diregarding
13898         nop conversions.
13899         (eliminate_plus_minus_pair): Use ops_equal_values_p
13900         (repropagate_negates): Do not use get_unary_op here.
13901
13902 2016-02-29  Martin Liska  <mliska@suse.cz>
13903
13904         * system.h: Poison ENABLE_CHECKING macro.
13905
13906 2016-02-29  Martin Liska  <mliska@suse.cz>
13907
13908         * hsa-gen.c (gen_body_from_gimple): Dump only if TDF_DETAILS
13909         is presented in dump flags.
13910         * hsa-regalloc.c (linear_scan_regalloc): Likewise.
13911         (hsa_regalloc): Likewise.
13912
13913 2016-02-19  Richard Biener  <rguenther@suse.de>
13914
13915         PR tree-optimization/69980
13916         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Update
13917         permutation of those we need to keep.
13918
13919 2016-02-29  Eric Botcazou  <ebotcazou@adacore.com>
13920
13921         PR target/69706
13922         * config/sparc/sparc.c (ROUND_ADVANCE): Rename to...
13923         (NWORDS_UP): ...this
13924         (init_cumulative_args): Minor tweaks.
13925         (sparc_promote_function_mode): Likewise.
13926         (scan_record_type): Delete.
13927         (traverse_record_type): New function template.
13928         (classify_data_t): New structure type.
13929         (classify_registers): New inline function.
13930         (function_arg_slotno): In 64-bit mode, bail out early if FP slots are
13931         exhausted.  Instantiate traverse_record_type on classify_registers and
13932         deal with the case of a structure passed in slot #15 with no FP field
13933         in the first word.
13934         (assign_data_t): New structure type.
13935         (compute_int_layout): New static function.
13936         (compute_fp_layout): Likewise.
13937         (count_registers): New inline function.
13938         (assign_int_registers): New static function.
13939         (assign_fp_registers): Likewise.
13940         (assign_registers): New inline function.
13941         (function_arg_record_value_1): Delete.
13942         (function_arg_record_value_2): Likewise.
13943         (function_arg_record_value_3): Likewise.
13944         (function_arg_record_value): Adjust to above changes.  Instantiate
13945         traverse_record_type on count_registers to first count the number of
13946         registers to be used and then on assign_registers to assign them.
13947         (function_arg_union_value): Adjust to above renaming.
13948         (sparc_function_arg_1); Minor tweaks.  Remove commented out code.
13949         (sparc_arg_partial_bytes): Adjust to above renaming.  Deal with the
13950         case of a structure passed in slot #15
13951         (sparc_function_arg_advance): Likewise.
13952         (function_arg_padding): Minor tweak.
13953
13954 2016-02-29  Richard Biener  <rguenther@suse.de>
13955
13956         PR tree-optimization/69720
13957         * tree-vect-loop.c (get_initial_def_for_reduction): Avoid
13958         the adjustment_def path for possibly vectorized defs.
13959         (vect_create_epilog_for_reduction): Handle vectorized initial
13960         defs properly.
13961
13962 2016-02-28  Eric Botcazou  <ebotcazou@adacore.com>
13963
13964         * config/i386/cygming.h (STACK_REALIGN_DEFAULT): Define.
13965
13966 2016-02-27  Jeff Law  <law@redhat.com>
13967
13968         Revert
13969         2016-02-26  Richard Biener  <rguenther@suse.de>
13970                     Jeff Law  <law@redhat.com>
13971
13972         PR tree-optimization/69740
13973         * cfghooks.c (remove_edge): Request loop fixups if we delete
13974         an edge that might turn an irreducible loop into a natural
13975         loop.
13976
13977 2016-02-27  Jakub Jelinek  <jakub@redhat.com>
13978
13979         PR rtl-optimization/69896
13980         * tree-vect-generic.c (get_compute_type): Avoid single element
13981         vector types.
13982
13983 2016-02-26  Evandro Menezes  <e.menezes@samsung.com>
13984
13985         Rename the AArch64 tuning option and related functions to enable the
13986         Newton series for the reciprocal square root to reflect its
13987         approximative characteristic.
13988
13989         * config/aarch64/aarch64-protos.h (aarch64_emit_swrsqrt): Rename
13990         function to "aarch64_emit_approx_rsqrt".
13991         * config/aarch64/aarch64-tuning-flags.def: Rename tuning flag to
13992         AARCH64_EXTRA_TUNE_APPROX_RSQRT.
13993         * config/aarch64/aarch64.c (exynosm1_tunigs): Use new flag name.
13994         (xgene1_tunings): Likewise.
13995         (use_rsqrt_p): Likewise.
13996         (aarch64_emit_swrsqrt): Use new function name.
13997         * config/aarch64/aarch64-simd.md (aarch64_rsqrts_*): Likewise.
13998         * config/aarch64/aarch64.opt (mlow-precision-recip-sqrt): Reword the
13999         text explaining this option.
14000         * doc/invoke.texi (-mlow-precision-recip-sqrt): Likewise.
14001
14002 2016-02-26  Jakub Jelinek  <jakub@redhat.com>
14003
14004         PR target/69969
14005         * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
14006         complain about -mallow-movmisalign without -mvsx if
14007         TARGET_ALLOW_MOVMISALIGN was not set explicitly.
14008
14009 2016-02-26  Joel Sherrill  <joel@rtems.org>
14010
14011         * config.gcc: Add x86_64-*-rtems*.
14012         * config/i386/rtems-64.h: New file.
14013
14014 2016-02-26  Joel Sherrill  <joel@rtems.org>
14015
14016         * config.gcc: Add aarch64-*-rtems*.
14017         * config/aarch64/rtems.h: New file.
14018
14019 2016-02-26  Segher Boessenkool  <segher@kernel.crashing.org>
14020
14021         PR target/69946
14022         * config/rs6000/rs6000.c (rs6000_insn_for_shift_mask): Print rlwinm
14023         shift amount using %h.  Add comment.
14024
14025 2016-02-26  Richard Biener  <rguenther@suse.de>
14026             Jeff Law  <law@redhat.com>
14027
14028         PR tree-optimization/69740
14029         * cfghooks.c (remove_edge): Request loop fixups if we delete
14030         an edge that might turn an irreducible loop into a natural
14031         loop.
14032
14033 2016-02-26  Martin Jambor  <mjambor@suse.cz>
14034
14035         PR middle-end/69920
14036         * tree-sra.c (sra_modify_assign): Do not remove loads of
14037         uninitialized aggregates to SSA_NAMEs.
14038
14039 2016-02-26  Richard Henderson  <rth@redhat.com>
14040
14041         PR target/69709
14042         * config/s390/s390.md (risbg and risbgn splitters): Allocate new
14043         pseudo in case the target rtx matches the source of the left
14044         shift.
14045
14046 2016-02-26  Martin Jambor  <mjambor@suse.cz>
14047
14048         PR hsa/69568
14049         * hsa.h (hsa_type_packed_p): Declare.
14050         * hsa.c (hsa_type_packed_p): New function.
14051         * hsa-gen.c (mem_type_for_type): Use unsigned type for packed
14052         loads.
14053         (gen_hsa_insns_for_store): Use hsa_type_packed_p.
14054         * hsa-brig.c (emit_basic_insn): Likewise.
14055
14056 2016-02-26  Martin Jambor  <mjambor@suse.cz>
14057
14058         pr hsa/69674
14059         * hsa-gen.c (gen_hsa_phi_from_gimple_phi): Use proper hsa type for
14060         pointers.
14061         (gen_hsa_addr): Allow integer constants in TMR_INDEX2.
14062
14063 2016-02-26  Martin Jambor  <mjambor@suse.cz>
14064
14065         * hsa.h (is_a_helper): New overload for hsa_op_immed for
14066         hsa_op_with_type operands.
14067         (hsa_unsigned_type_for_type): Declare.
14068         * hsa.c (hsa_unsigned_type_for_type): New function.
14069         * hsa-gen.c (gen_hsa_binary_operation): Use hsa_unsigned_type_for_type.
14070         (gen_hsa_insns_for_operation_assignment): Satisfy constrains of
14071         the finalizer.  Do not emit extra move.
14072
14073 2016-02-26  Martin Jambor  <mjambor@suse.cz>
14074
14075         * hsa-gen.c (gen_hsa_ternary_atomic_for_builtin): Fail in presence of
14076         atomic operations in private segment.
14077
14078 2016-02-26  Martin Jambor  <mjambor@suse.cz>
14079
14080         * omp-low.c (grid_find_ungridifiable_statement): Store problematic
14081         statements to wi->info.  Also disallow omp simd constructs.
14082         (grid_target_follows_gridifiable_pattern): Use wi.info to dump reason
14083         for not gridifying.  Dump special string for omp_for.
14084
14085 2016-02-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
14086
14087         PR target/69245
14088         * config/aarch64/aarch64.c (aarch64_set_current_function):
14089         Save/restore target globals when switching to
14090         target_option_default_node.
14091
14092 2016-02-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
14093
14094         PR target/69613
14095         * config/aarch64/aarch64.c (aarch64_shift_truncation_mask):
14096         Return 0 if !SHIFT_COUNT_TRUNCATED.
14097
14098 2016-02-26  Jakub Jelinek  <jakub@redhat.com>
14099             Eric Botcazou  <ebotcazou@adacore.com>
14100
14101         PR rtl-optimization/69891
14102         * dse.c (scan_insn): If we can't figure out memset arguments
14103         or they are non-constant, call clear_rhs_from_active_local_stores.
14104
14105 2016-02-26  Martin Liska  <mliska@suse.cz>
14106
14107         * doc/extend.texi: Mention clog10, clog10f an clog10l
14108         in Builtins section.
14109
14110 2016-02-26  Martin Liska  <mliska@suse.cz>
14111
14112         * dwarf2out.c (new_loc_descr): Replace ENABLE_CHECKING with
14113         CHECKING_P.
14114         (resolve_args_picking_1): Likewise.
14115         * dwarf2out.h (struct GTY): Likewise.
14116
14117 2016-02-26  Martin Liska  <mliska@suse.cz>
14118
14119         * hsa-gen.c (generate_hsa): Replace ENABLE_CHECKING macro
14120         with flag_checking.
14121         * hsa-regalloc.c (linear_scan_regalloc): Likewise.
14122
14123 2016-02-26  Markus Trippelsdorf  <markus@trippelsdorf.de>
14124             Martin Liska  <mliska@suse.cz>
14125
14126         * doc/install.texi: Mention --enable-valgrind-annotations.
14127
14128 2016-02-26  Richard Biener  <rguenther@suse.de>
14129
14130         PR tree-optimization/69551
14131         * tree-ssa-structalias.c (get_constraint_for_ssa_var): When
14132         looking through aliases adjust DECL_PT_UID to refer to the
14133         ultimate alias target.
14134
14135 2016-02-25  Martin Liska  <mliska@suse.cz>
14136
14137         PR middle-end/69919
14138         * alloc-pool.c (after_memory_report): New variable.
14139         * alloc-pool.h (base_pool_allocator ::release): Do not use
14140         the infrastructure if after_memory_report.
14141         * toplev.c (toplev::main): Mark after memory report.
14142
14143 2016-02-25  Richard Biener  <rguenther@suse.de>
14144
14145         PR tree-optimization/48795
14146         * tree-vrp.c (check_array_ref): Use array_at_struct_end_p.
14147
14148 2016-02-25  Ilya Verbin  <ilya.verbin@intel.com>
14149
14150         PR driver/68463
14151         * config/gnu-user.h (CRTOFFLOADBEGIN): Define.  Add crtoffloadbegin.o if
14152         offloading is enabled and -fopenacc or -fopenmp is specified.
14153         (CRTOFFLOADEND): Likewise.
14154         (GNU_USER_TARGET_STARTFILE_SPEC): Add CRTOFFLOADBEGIN.
14155         (GNU_USER_TARGET_ENDFILE_SPEC): Add CRTOFFLOADEND.
14156         * lto-wrapper.c (offloadbegin, offloadend): Remove static vars.
14157         (offload_objects_file_name): New static var.
14158         (tool_cleanup): Remove offload_objects_file_name file.
14159         (find_offloadbeginend): Replace with ...
14160         (find_crtoffloadtable): ... this.
14161         (run_gcc): Remove offload_argc and offload_argv.
14162         Get offload_objects_file_name from -foffload-objects=... option.
14163         Read names of object files with offload from this file, pass them to
14164         compile_images_for_offload_targets.  Don't call find_offloadbeginend and
14165         don't pass offloadbegin and offloadend to the linker.  Don't pass
14166         offload non-LTO files to the linker, because now they're not claimed.
14167
14168 2016-02-25  Jan Hubicka  <hubicka@ucw.cz>
14169
14170         PR ipa/69630
14171         * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
14172         on builtin_unreachable.
14173
14174 2016-02-25  Jakub Jelinek  <jakub@redhat.com>
14175
14176         PR rtl-optimization/69896
14177         * regcprop.c: Include cfgrtl.h.
14178         (copyprop_hardreg_forward_1): If noop_p insn uses narrower
14179         than remembered mode, either delete it (if noop_move_p), or
14180         treat like copy_p but not noop_p instruction.
14181
14182 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
14183
14184         PR debug/69705
14185         * dwarf2out.c (gen_variable_die): Work around buggy LTO
14186         - allow NULL decl for Fortran DW_TAG_common_block variables.
14187
14188 2016-02-24  Jason Merrill  <jason@redhat.com>
14189
14190         * common.opt (flifetime-dse): Add -flifetime-dse=1.
14191
14192 2016-02-24  Richard Biener  <rguenther@suse.de>
14193             Jakub Jelinek  <jakub@redhat.com>
14194
14195         PR middle-end/69760
14196         * tree-scalar-evolution.c (interpret_rhs_expr): Re-write
14197         conditionally executed ops to well-defined overflow behavior.
14198
14199 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
14200
14201         PR middle-end/69915
14202         * tree.c (build_vector_from_ctor): Fix handling of VECTOR_CST
14203         elements.
14204
14205 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
14206
14207         PR rtl-optimization/69886
14208         * gcse.c (can_assign_to_reg_without_clobbers_p): Accept mode
14209         argument.  Use it when checking validity of set instructions.
14210         (want_to_gcse_p): Pass mode to can_assign_to_reg_without_clobbers_p.
14211         (compute_ld_motion_mems): Update can_assign_to_reg_without_clobbers_p
14212         callsite.
14213         * rtl.h (can_assign_to_reg_without_clobbers_p): Update prototype.
14214         * store-motion.c (find_moveable_store): Update
14215         can_assign_to_reg_without_clobbers_p callsite.
14216
14217 2016-02-24  Richard Biener  <rguenther@suse.de>
14218
14219         PR middle-end/68963
14220         * tree-ssa-loop-niter.c (derive_constant_upper_bound_ops): Fix
14221         bogus check.
14222         (record_nonwrapping_iv): Do not fall back to the low/high bound
14223         for non-constant IV bases if the stmt is not always executed.
14224
14225 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
14226
14227         * config/arm/arm-cores.def (cortex-a32): New entry.
14228         * config/arm/arm-tables.opt: Regenerate.
14229         * config/arm/arm-tune.md: Regenerate.
14230         * config/arm/bpabi.h (BE8_LINK_SPEC): Add mcpu=cortex-a32.
14231         * config/arm/t-aprofile: Handle mcpu=cortex-a32.
14232         * doc/invoke.texi (ARM Options): Document cortex-a32 as value
14233         for -mcpu and -mtune.
14234
14235 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
14236
14237         PR target/69875
14238         * config/arm/arm.h (TARGET_HAVE_LPAE): Define.
14239         * config/arm/unspecs.md (VUNSPEC_LDRD_ATOMIC): New value.
14240         * config/arm/sync.md (arm_atomic_loaddi2_ldrd): New pattern.
14241         (atomic_loaddi_1): Delete.
14242         (atomic_loaddi): Rewrite expander using the above changes.
14243
14244 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
14245
14246         PR c/69918
14247         * params.def (PARAM_MAX_SSA_NAME_QUERY_DEPTH): Bump default from
14248         2 to 3.
14249
14250 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
14251             Richard Biener  <rguenth@suse.de>
14252
14253         PR middle-end/69909
14254         * expr.c (expand_expr_real_1) <normal_inner_ref>: Avoid
14255         set_mem_attributes if tem is SSA_NAME which got expanded
14256         as a MEM.
14257
14258 2016-02-24  Richard Biener  <rguenther@suse.de>
14259
14260         PR tree-optimization/69907
14261         * tree-vect-stmts.c (vectorizable_load): Check for gaps at the
14262         end of permutations for BB vectorization.
14263
14264 2016-02-24  Christian Bruel  <christian.bruel@st.com>
14265
14266         * config/arm/arm-c.c (arm_option_override): Initialize
14267         target_option_current_node.
14268         * config/arm/arm.c (arm_pragma_target_parse): Replace
14269         build_target_option_node call by target_option_current_node.
14270         Set target_option_current_node.
14271         Fix comments.
14272
14273 2016-02-23  David Edelsohn  <dje.gcc@gmail.com>
14274
14275         PR target/69810
14276         * config/rs6000/rs6000.md (zero_extendqi<mode>2_dot): Convert from
14277         define_insn_and_split to define_insn.
14278         (zero_extendqi<mode>2_dot2): Same.
14279         (extendqi<mode>2_dot): Same.
14280         (extendqi<mode>2_dot2): Same.
14281
14282 2016-02-23  Evandro Menezes  <e.menezes@samsung.com>
14283
14284         * config/arm/exynos-m1.md: Change cost of STP, fix bypass for stores
14285         and add bypass for AES{D,E} and AESMC pairs.
14286         * config/aarch64/aarch64.c (exynosm1_tunings): Enable fusion of AES{D,E}
14287         and AESMC pairs.
14288
14289 2016-02-23  Evandro Menezes  <e.menezes@samsung.com>
14290
14291         * config/aarch64/aarch64.c (exynosm1_tunings): Enable the Newton
14292         series for reciprocal square root in Exynos M1.
14293
14294 2016-02-23  Martin Sebor  <msebor@redhat.com>
14295
14296         PR c/69759
14297         * doc/extend.texi (Other Builtins): Document __builtin_alloca and
14298         __builtin_alloca_with_align.
14299
14300 2016-02-23  Richard Henderson  <rth@redhat.com>
14301
14302         * config/i386/i386-c.c (ix86_target_macros): Remove __SEG_TLS.
14303         (ix86_register_pragmas): Remove __seg_tls.
14304         * config/i386/i386-protos.h (ADDR_SPACE_SEG_TLS): Remove.
14305         * config/i386/i386.c (ix86_print_operand_address_as): Don't handle it.
14306         (ix86_addr_space_subset_p, TARGET_ADDR_SPACE_SUBSET_P): Remove.
14307         (ix86_addr_space_convert, TARGET_ADDR_SPACE_CONVERT): Remove.
14308         (ix86_addr_space_debug, TARGET_ADDR_SPACE_DEBUG): Remove.
14309         * doc/extend.texi (__seg_tls): Remove item.
14310
14311 2016-02-23  Richard Biener  <rguenther@suse.de>
14312
14313         * alloc-pool.h (struct allocation_object): Make id member
14314         conditional on CHECKING_P again.
14315         (get_instance): Adjust.
14316         (base_pool_allocator): Likewise.
14317
14318 2016-02-23  Thomas Schwinge  <thomas@codesourcery.com>
14319
14320         * tree-parloops.c (create_parallel_loop, gen_parallel_loop)
14321         (parallelize_loops): In OpenACC kernels mode, set n_threads to
14322         zero.
14323         (pass_parallelize_loops::gate): In OpenACC kernels mode, gate on
14324         flag_openacc.
14325         * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
14326
14327 2016-02-23  Richard Biener  <rguenther@suse.de>
14328
14329         * mem-stats.h (struct mem_usage): Use PRIu64 for printing size_t.
14330         * bitmap.h (struct bitmap_usage): Likewise.
14331         (bitmap_move): Declare.
14332         * bitmap.c (register_overhead): Take size_t argument.
14333         (bitmap_move): New function.
14334         * df-problems.c (df_rd_transfer_function): Use bitmap_move
14335         to properly account overhead.
14336         * tree.c (free_node): Use tree_size.
14337
14338 2016-02-23  Jakub Jelinek  <jakub@redhat.com>
14339
14340         PR c++/69902
14341         * fold-const.c (fold_truth_not_expr): Propagate TREE_NO_WARNING
14342         when inverting comparison.
14343
14344         PR c/69900
14345         * common.opt (Wunreachable-code): Add Warning flag.
14346
14347 2016-02-23  Mark Wielaard  <mjw@redhat.com>
14348             Jakub Jelinek  <jakub@redhat.com>
14349
14350         PR c/69911
14351         * cgraphunit.c (check_global_declaration): Check main_input_filename
14352         and DECL_SOURCE_FILE are not NULL.
14353
14354 2016-02-23  Martin Jambor  <mjambor@suse.cz>
14355
14356         PR tree-optimization/69666
14357         * tree-sra.c (sra_modify_assign): Do not attempt to create
14358         default_def replacements for unscalarizable regions.
14359
14360 2016-02-20  Mark Wielaard  <mjw@redhat.com>
14361
14362         PR c/28901
14363         * cgraphunit.c (check_global_declaration): Check level of
14364         warn_unused_const_variable and main_input_filename.
14365         * doc/invoke.texi (Warning Options): Add -Wunused-const-variable=.
14366         (-Wunused-variable): For C implies -Wunused-const-variable=1.
14367         (-Wunused-const-variable): Explain levels 1 and 2.
14368
14369 2016-02-22  Jakub Jelinek  <jakub@redhat.com>
14370
14371         PR target/69888
14372         * config/i386/i386.c (decide_alg): Ensure we don't recurse with
14373         identical arguments.  Formatting and spelling fixes.
14374
14375         PR target/69885
14376         * doc/md.texi (ashl@var{m}3): Document that mode of operand 2 must
14377         be specified.
14378
14379         PR target/69894
14380         PR target/69895
14381         * config/m68k/t-opts (OPTIONS_H_EXTRA): Add m68k-microarchs.def
14382         and m68k-devices.def.
14383         * config/c6x/t-c6x (OPTIONS_H_EXTRA): Add c6x-isas.def.
14384         * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add aarch64-arches.def.
14385
14386 2016-02-22  Cesar Philippidis  <cesar@codesourcery.com>
14387
14388         * config/nvptx/nvptx.c (nvptx_gen_shuffle): Add support for QImode
14389         and HImode registers.
14390
14391 2016-02-22  Richard Biener  <rguenther@suse.de>
14392
14393         PR tree-optimization/69882
14394         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Properly
14395         preserve permutations present because of gaps.
14396         (vect_supported_load_permutation_p): Always continue checking
14397         permutations after vect_attempt_slp_rearrange_stmts.
14398
14399 2016-02-22  Bin Cheng  <bin.cheng@arm.com>
14400
14401         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Dump
14402         min_profitable_estimate, rather than min_profitable_iters.
14403
14404 2016-02-22  Jakub Jelinek  <jakub@redhat.com>
14405
14406         PR target/69885
14407         * config/m68k/m68k.md (ashldi3, ashrdi3, lshrdi3): Use
14408         SImode for last match_operand.
14409
14410 2016-02-22  Martin Liska  <mliska@suse.cz>
14411
14412         * hsa-gen.c (gen_hsa_clrsb): In case of zero value,
14413         return bitsize - 1 as the return value.
14414
14415 2016-02-22  Oleg Endo  <olegendo@gcc.gnu.org>
14416
14417         PR target/69806
14418         PR target/54089
14419         * config/sh/sh.c (sh_lshrsi_clobbers_t_reg_p, sh_dynamicalize_shift_p):
14420         Handle negative shift counts.
14421         * config/sh/sh.md (ashlsi3, lshrsi3_n, lshrsi3_n_clobbers_t): Don't use
14422         force_reg on the shift constant.
14423         (lshrsi3): Likewise.  Expand into lshrsi3_n* instead of lshrsi3_d.
14424         (lshrsi3_d): Handle negative shift counts.
14425
14426 2016-02-22  Richard Biener  <rguenther@suse.de>
14427             Tom de Vries  <tom@codesourcery.com>
14428
14429         * graph.c: Include dumpfile.h.
14430         (print_graph_cfg): Split into three overloads.
14431         * gdbhooks.py (class DotFn): Add and instantiate, adding command dot-fn.
14432
14433 2016-02-22  Tom de Vries  <tom@codesourcery.com>
14434
14435         * gdbhooks.py (class DumpFn): Add and instantiate, adding command
14436         dump-fn.
14437
14438 2016-02-22  Richard Biener  <rguenther@suse.de>
14439
14440         PR ipa/37448
14441         * ipa-inline-transform.c (inline_call): When not updating
14442         overall summaries adjust self size by the growth estimate.
14443         * ipa-inline.c (inline_to_all_callers_1): Add to the callers
14444         hash-set, do not update overall summaries here.  Renamed from ...
14445         (inline_to_all_callers): ... this which is now wrapping the
14446         above and performing delayed overall summary update.
14447         (early_inline_small_functions): Delay updating of the overall
14448         summary.
14449
14450 2016-02-21  Markus Trippelsdorf  <markus@trippelsdorf.de>
14451
14452         * tree-chkp.c (chkp_mark_invalid_bounds_walker): Initialize
14453         variable.
14454
14455 2016-02-19  Jakub Jelinek  <jakub@redhat.com>
14456
14457         PR driver/69805
14458         * gcc.c (LINK_COMMAND_SPEC, GOMP_SELF_SPECS): Use
14459         :%* in %:gt() argument.
14460         (greater_than_spec_func): Adjust for expecting only numbers,
14461         if there are more than two numbers, compare the last two.
14462
14463 2016-02-19  Jonathan Wakely  <jwakely@redhat.com>
14464
14465         * doc/invoke.texi (C++ Dialect Options): Clarify interaction of
14466         -Wnarrowing with -std.
14467
14468 2016-02-19  Jakub Jelinek  <jakub@redhat.com>
14469
14470         PR c++/69851
14471         * expr.c (store_field): Don't use bit-field path if exp is
14472         COMPONENT_REF with TREE_ADDRESSABLE type, where TYPE_SIZE is
14473         different from bitsize, but DECL_SIZE of FIELD_DECL is bitsize
14474         and the assignment can be performed by bitwise copy.  Formatting
14475         fix.
14476
14477         PR middle-end/69838
14478         * lra.c (lra_process_new_insns): If non-call exceptions are enabled,
14479         call copy_reg_eh_region_note_forward on before and/or after sequences
14480         and remove note from insn if it no longer can throw.
14481
14482         PR target/69820
14483         * config/i386/sse.md (VI_512): Only include V64QImode and V32HImode
14484         if TARGET_AVX512BW.
14485
14486 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
14487
14488         * config/s390/vector.md: Add missing commutative operand markers
14489         to the patterns which qualify for one.
14490         * config/s390/vx-builtins.md: Likewise.
14491
14492 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
14493
14494         * config/s390/vector.md (VI, VI_QHS): Add single element vector
14495         types to mode iterators.
14496         (vec_double): ... and mode attribute.
14497         * config/s390/vx-builtins.md (non_vec_int): Likewise.
14498
14499 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
14500
14501         * config/s390/vector.md ("<ti*>add<mode>3", "<ti*>sub<mode>3"):
14502         Change the predicate of op2 from nonimmediate to general and let
14503         reload fix it if necessary.
14504
14505 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
14506
14507         * config/s390/vecintrin.h (vec_sub_u128): Define missing macro.
14508
14509 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
14510
14511         * config/s390/s390.c (s390_expand_vcond): Use the compare operand
14512         mode.
14513
14514 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
14515
14516         * config/s390/s390-protos.h: Add s390_expand_vec_movstr prototype.
14517         * config/s390/s390.c (s390_expand_vec_movstr): New function.
14518         * config/s390/s390.md ("movstr<P:mode>"): Call
14519         s390_expand_vec_movstr.
14520
14521 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
14522
14523         * config/s390/s390.md: Add missing output modifier for operand 1
14524         to print it as address properly.
14525
14526 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
14527
14528         * config/s390/2827.md: Rename ooo_* insn attributes to zEC12_*.
14529         * config/s390/2964.md: New file.
14530         * config/s390/s390.c (s390_get_sched_attrmask): Use the right set
14531         of insn grouping attributes depending on the CPU level.
14532         (s390_get_unit_mask): New function.
14533         (s390_sched_score): Remove the OOO from the scheduling macros.
14534         Add loop to calculate a score for the instruction mix.
14535         (s390_sched_reorder): Likewise plus improve debug output.
14536         (s390_sched_variable_issue): Rename macros as above.  Calculate
14537         the unit distances after actually scheduling an insn.  Improve
14538         debug output.
14539         (s390_sched_init): Clear last_scheduled_unit_distance array.
14540         * config/s390/s390.md: Include 2964.md.
14541
14542 2016-02-18  Jakub Jelinek  <jakub@redhat.com>
14543
14544         PR target/69671
14545         * config/i386/sse.md (*<floatsuffix>floatv2div2sf2_mask_1,
14546         *avx512vl_<code>v2div2qi2_mask_1, *avx512vl_<code><mode>v4qi2_mask_1,
14547         *avx512vl_<code><mode>v8qi2_mask_1, *avx512vl_<code><mode>v4hi2_mask_1,
14548         *avx512vl_<code>v2div2hi2_mask_1, *avx512vl_<code>v2div2si2_mask_1,
14549         *avx512f_<code>v8div16qi2_mask_1): New insns.
14550
14551 2016-02-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
14552
14553         PR target/68404
14554         * config/rs6000/predicates.md (fusion_gpr_addis): Revert
14555         2016-02-09 change.
14556
14557         * config/rs6000/rs6000.md (fusion_gpr_load_<mode>): Remove
14558         earlyclobber from target.  Use wF constraint for fused memory
14559         address.
14560         (fusion_gpr_<P:mode>_<GPR_FUSION:mode>_load): Likewise.
14561
14562 2016-02-18  Jakub Jelinek  <jakub@redhat.com>
14563             Martin Liska  <mliska@suse.cz>
14564
14565         PR sanitizer/69863
14566         * cfgexpand.c (asan_sanitize_stack_p): New function.
14567         (partition_stack_vars): Use the function.
14568         (expand_stack_vars): Likewise.
14569         (defer_stack_allocation): Likewise.
14570         (expand_used_vars): Likewise.
14571
14572 2016-02-18  Richard Biener  <rguenther@suse.de>
14573
14574         PR middle-end/69553
14575         * fold-const.c (operand_equal_p): Properly compare offsets for
14576         IMAGPART_EXPR and ARRAY_REF.
14577
14578 2016-02-18  Nick Clifton  <nickc@redhat.com>
14579
14580         PR target/62254
14581         PR target/69610
14582         * config/arm/arm.c (arm_option_override_internal): Disable
14583         interworking if the target does not support thumb instructions.
14584         (arm_reload_in_hi): Handle the case where a register to register
14585         move needs reloading because there is no simple pattern to handle
14586         it.
14587         (arm_reload_out_hi): Likewise.
14588
14589 2016-02-18  Richard Biener  <rguenther@suse.de>
14590
14591         PR middle-end/69854
14592         * match.pd: Don't use fold_binary or fold_unary for folding
14593         constants.
14594
14595 2016-02-17  Jakub Jelinek  <jakub@redhat.com>
14596
14597         PR c++/69850
14598         * gimplify.c (gimplify_cond_expr): Call gimple_set_no_warning
14599         on the cond_stmt from TREE_NO_WARNING on COND_EXPR_COND.
14600         * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Don't
14601         warn on gimple_no_warning_p statements.
14602
14603 2016-02-17  Jonathan Wakely  <jwakely@redhat.com>
14604
14605         * doc/extend.texi (C++ Attributes): Correct description of
14606         warn_unused type attribute.
14607
14608 2016-02-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
14609
14610         * config/rs6000/altivec.md (*altivec_lvxl_<mode>_internal): Output
14611         correct instruction.
14612
14613 2016-02-17  Richard Biener  <rguenther@suse.de>
14614
14615         PR rtl-optimization/69609
14616         * bb-reorder.c (struct bbro_basic_block_data): Add priority member.
14617         (find_traces_1_round): When ending a trace update cached priority
14618         of successors.
14619         (bb_to_key): Use cached priority when available.
14620         (copy_bb): Initialize cached priority.
14621         (reorder_basic_blocks_software_trace_cache): Likewise.
14622
14623 2016-02-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
14624
14625         PR target/69161
14626         * config/aarch64/predicates.md (aarch64_comparison_operator_mode):
14627         New predicate.
14628         (aarch64_comparison_operator): Break overly long line into two.
14629         (aarch64_comparison_operation): Likewise.
14630         * config/aarch64/aarch64.md (cstorecc4): Use
14631         aarch64_comparison_operator_mode instead of
14632         aarch64_comparison_operator.
14633         (cstore<mode>4): Likewise.
14634         (aarch64_cstore<mode>): Likewise.
14635         (*cstoresi_insn_uxtw): Likewise.
14636         (cstore<mode>_neg): Likewise.
14637         (*cstoresi_neg_uxtw): Likewise.
14638
14639 2016-02-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
14640
14641         PR target/69161
14642         * config/arm/predicates.md (arm_comparison_operator_mode):
14643         New predicate.
14644         * config/arm/arm.md (*mov_scc): Use arm_comparison_operator_mode
14645         instead of arm_comparison_operator.
14646         (*mov_negscc): Likewise.
14647         (*mov_notscc): Likewise.
14648         * config/arm/thumb2.md (*thumb2_mov_scc): Likewise.
14649         (*thumb2_mov_negscc): Likewise.
14650         (*thumb2_mov_negscc_strict_it): Likewise.
14651         (*thumb2_mov_notscc): Likewise.
14652         (*thumb2_mov_notscc_strict_it): Likewise.
14653
14654 2016-02-17  Wilco Dijkstra  <wdijkstr@arm.com>
14655
14656         * config/aarch64/aarch64.c (aarch64_internal_mov_immediate):
14657         Add missing return.
14658
14659 2016-02-17  Eric Botcazou  <ebotcazou@adacore.com>
14660
14661         * config/visium/visium.c (machine_libfunc_index): New enum.
14662         (machine_libfuncs): New structure.
14663         (visium_libfuncs): New static variable.
14664         (TARGET_INIT_LIBFUNCS): Define to...
14665         (visium_init_libfuncs): ...this.  New function.
14666         (expand_block_move_4): Use the appropriate libfunc.
14667         (expand_block_move_2): Likewise.
14668         (expand_block_move_1): Likewise.
14669         (expand_block_set_4): Likewise.
14670         (expand_block_set_2): Likewise.
14671         (expand_block_set_1): Likewise.
14672         (visium_trampoline_init): Likewise.
14673
14674 2016-02-17  Nick Clifton  <nickc@redhat.com>
14675
14676         * config/msp430/msp430.c (msp430_mcu_data): Sync with data from
14677         TI's devices.csv file as of March 2016.
14678
14679 2016-02-16  Kelvin Nilsen  <kelvin@gcc.gnu.org>
14680
14681         PR Target/48344
14682         * opts-global.c (handle_common_deferred_options): Introduce and
14683         initialize two global variables to remember command-line options
14684         specifying a stack-limiting register.
14685         * opts.h: Add extern declarations of the two new global variables.
14686         * emit-rtl.c (init_emit_once): Initialize the stack_limit_rtx
14687         variable based on the values of the two new global variables.
14688
14689 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
14690
14691         PR c/69835
14692         * common.opt (Wnonnull-compare): New warning.
14693         * doc/invoke.texi (-Wnonnull): Remove text about comparison
14694         of arguments against NULL.
14695         (-Wnonnull-compare): Document.
14696         * Makefile.in (OBJS): Add gimple-ssa-nonnull-compare.o.
14697         * tree-pass.h (make_pass_warn_nonnull_compare): Declare.
14698         * passes.def (pass_warn_nonnull_compare): Add.
14699         * gimple-ssa-nonnull-compare.c: New file.
14700
14701 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
14702
14703         * config/aarch64/aarch64.c (cortexa57_tunings): Remove
14704         AARCH64_EXTRA_TUNE_RECIP_SQRT.
14705
14706 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
14707
14708         * config/aarch64/aarch64.c (use_rsqrt_p): Always use software
14709         reciprocal sqrt for -mlow-precision-recip-sqrt.
14710
14711 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
14712             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
14713
14714         * config/aarch64/aarch64.c (aarch64_expand_vector_init): Refactor,
14715         always use lane loads to construct non-constant vectors.
14716
14717 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
14718
14719         * config/aarch64/aarch64.md
14720         (arch64_sqrdml<SQRDMLH_AS:rdma_as>h_lane<mode>): Fix register
14721         constraints for operand 3.
14722         (aarch64_sqrdml<SQRDMLH_AS:rdma_as>h_laneq<mode>): Likewise.
14723
14724 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
14725             Richard Biener  <rguenther@suse.de>
14726
14727         PR tree-optimization/69820
14728         * tree-vect-patterns.c (type_conversion_p): Return false if
14729         *orig_type is unsigned single precision or boolean.
14730         (vect_recog_dot_prod_pattern, vect_recog_widen_mult_pattern):
14731         Formatting fix.
14732
14733 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
14734
14735         PR rtl-optimization/69764
14736         PR rtl-optimization/69771
14737         * optabs.c (expand_binop): Ensure for shift optabs invalid CONST_INT
14738         op1 is valid for GET_MODE_INNER (mode) and force it into a reg.
14739
14740 2016-02-16  Richard Biener  <rguenther@suse.de>
14741
14742         PR tree-optimization/69776
14743         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Get alias
14744         sets from caller.
14745         (indirect_refs_may_alias_p): Likewise.
14746         (refs_may_alias_p_1): Pass alias sets as from ao_ref.
14747         * tree-ssa-sccvn.c (vn_reference_lookup): Also adjust vr alias-set
14748         according to tbaa_p.
14749         * tree-ssa-dom.c (lookup_avail_expr): Add tbaa_p flag.
14750         (optimize_stmt): For redundant store discovery do not allow tbaa.
14751
14752 2016-02-16  Bernd Schmidt  <bschmidt@redhat.com>
14753
14754         PR tree-optimization/69714
14755         * tree-ssa-math-opts.c (find_bswap_or_nop): Revert previous change.
14756         Return NULL if we have irrelevant high bytes on BIG_ENDIAN.
14757
14758 2016-02-16  Claudiu Zissulescu  <claziss@synopsys.com>
14759
14760         * config/arc/arc-modes.def (CC_FPU, CC_FPU_UNEQ): New modes.
14761         * config/arc/arc-opts.h (FPU_SP, FPU_SF, FPU_SC, FPU_SD, FPU_DP)
14762         (FPU_DF, FPU_DC, FPU_DD, FXP_DP): Define.
14763         * config/arc/arc.c (arc_init): Check FPU options.
14764         (get_arc_condition_code): Handle new CC_FPU* modes.
14765         (arc_select_cc_mode): Likewise.
14766         (arc_conditional_register_usage): Allow 64 bit datum into even-odd
14767         register pair only. Allow access for ARCv2 accumulator.
14768         (gen_compare_reg): Whenever we have FPU support use FPU compare
14769         instructions.
14770         (arc_reorg): Don't generate brcc insns when FPU compare
14771         instructions are involved.
14772         * config/arc/arc.h (TARGET_DPFP): Add TARGET_FP_DPAX condition.
14773         (TARGET_OPTFPE): Add condition when ARC EM can use optimized
14774         floating point emulation.
14775         (ACC_REG_FIRST, ACC_REG_LAST, ACCL_REGNO, ACCH_REGNO): Define.
14776         (REVERSE_CONDITION): Add new CC_FPU* modes.
14777         (TARGET_FP_SP_BASE): Define.
14778         (TARGET_FP_DP_BASE): Likewise.
14779         (TARGET_FP_SP_FUSED): Likewise.
14780         (TARGET_FP_DP_FUSED): Likewise.
14781         (TARGET_FP_SP_CONV): Likewise.
14782         (TARGET_FP_DP_CONV): Likewise.
14783         (TARGET_FP_SP_SQRT): Likewise.
14784         (TARGET_FP_DP_SQRT): Likewise.
14785         (TARGET_FP_DP_AX): Likewise.
14786         * config/arc/arc.md (ARCV2_ACC): New constant.
14787         (type): New fpu type attribute.
14788         (SDF): Conditional iterator.
14789         (cstore<mode>, cbranch<mode>): Change expand condition.
14790         (addsf3, subsf3, mulsf3, adddf3, subdf3, muldf3): New expands,
14791         handles FPU/FPX cases as well.
14792         * config/arc/arc.opt (mfpu): New option.
14793         * config/arc/fpx.md (addsf3_fpx, subsf3_fpx, mulsf3_fpx):
14794         Renamed.
14795         (adddf3, muldf3, subdf3): Removed.
14796         * config/arc/predicates.md (proper_comparison_operator): Recognize
14797         CC_FPU* modes.
14798         * config/arc/fpu.md: New file.
14799         * doc/invoke.texi (ARC Options): Document mfpu option.
14800
14801 2016-02-16  Richard Biener  <rguenther@suse.de>
14802
14803         PR rtl-optimization/69291
14804         * ifcvt.c (noce_try_store_flag_constants): Re-instantiate
14805         noce_operand_ok check.
14806
14807 2016-02-16  Tom de Vries  <tom@codesourcery.com>
14808
14809         PR lto/67709
14810         * omp-low.c (simd_clone_create): Remove call to
14811         symtab->call_cgraph_insertion_hooks.
14812
14813 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
14814
14815         PR tree-optimization/69802
14816         * tree-ssa-reassoc.c (update_range_test): If op is
14817         SSA_NAME_IS_DEFAULT_DEF, give up unless tem is a positive
14818         op == 1 test of precision 1 integral op, otherwise handle
14819         that case as op itself.  Fix up formatting.
14820         (optimize_range_tests_to_bit_test, optimize_range_tests): Fix
14821         up formatting.
14822
14823 2016-02-16  Richard Biener  <rguenther@suse.de>
14824
14825         PR tree-optimization/69586
14826         * tree-vrp.c (register_edge_assert_for_2): Handle all integral
14827         types for conversion sources.
14828
14829 2016-02-16  Richard Biener  <rguenther@suse.de>
14830
14831         PR middle-end/69801
14832         * fold-const.c (operand_equal_p): For COND_EXPR zero operand
14833         mask OEP_ADDRESS_OF.
14834
14835 2016-02-16  Alan Modra  <amodra@gmail.com>
14836
14837         PR target/68973
14838         * config/rs6000/rs6000.md (reload_vsx_from_gprsf): Rewrite splitter.
14839         (p8_mtvsrd_df, p8_mtvsrd_sf): New.
14840         (p8_mtvsrd_1, p8_mtvsrd_2): Delete.
14841         (p8_mtvsrwz): New.
14842         (p8_mtvsrwz_1, p8_mtvsrwz_2): Delete.
14843         (p8_xxpermdi_<mode>): Take two DF inputs rather than one TF.
14844         (p8_fmrgow_<mode>): Likewise.
14845         (reload_vsx_from_gpr<mode>): Make clobber IF.  Adjust for above
14846         changes.
14847         (reload_fpr_from_gpr<mode>): Similarly. Use "d" for op0 constraint.
14848         (reload_vsx_from_gprsf): Use p8_mtvsrd_sf rather than attempting
14849         to use movdi_internal64.  Remove op0_di.
14850         * config/rs6000/vsx.md (vsx_xscvspdpn_directmove): Make op1 SFmode.
14851
14852 2016-02-15  Evandro Menezes  <e.menezes@samsung.com>
14853
14854         Add support for the FCCMP insn types
14855
14856         * config/aarch64/aarch64.md (fccmp): Change insn type.
14857         (fccmpe): Likewise.
14858         * config/aarch64/thunderx.md (thunderx_fcmp): Add "fccmp{s,d}" types.
14859         * config/arm/cortex-a53.md (cortex_a53_fpalu): Likewise.
14860         * config/arm/cortex-a57.md (cortex_a57_fp_cmp): Likewise.
14861         * config/arm/xgene1.md (xgene1_fcmp): Likewise.
14862         * config/arm/exynos-m1.md (exynos_m1_fp_ccmp): New insn reservation.
14863         * config/arm/types.md (fccmps): Add new insn type.
14864         (fccmpd): Likewise.
14865
14866 2016-02-15  Bernd Edlinger  <bernd.edlinger@hotmail.de>
14867
14868         * alias.c (get_alias_set): Fix a typo in comment.
14869
14870 2016-02-15  Richard Biener  <rguenther@suse.de>
14871
14872         PR tree-optimization/69595
14873         * match.pd: Complete range test simplification to true.
14874
14875 2016-02-15  Bernd Schmidt  <bschmidt@redhat.com>
14876
14877         PR rtl-optimization/69648
14878         * lra-constraints.c (update_ebb_live_info): Don't remove sets of
14879         pic_offset_table_rtx.
14880
14881         PR rtl-optimization/69752
14882         * ira.c (update_equiv_regs): When looking for more than a single SET,
14883         also take other side effects into account.
14884
14885 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
14886
14887         * config/s390/s390.c (s390_function_profiler): Add a new sequence
14888         for z900+ CPUs in 31-bit mode.
14889
14890 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
14891
14892         * common/config/s390/s390-common.c (s390_supports_split_stack):
14893         New function.
14894         (TARGET_SUPPORTS_SPLIT_STACK): New macro.
14895         * config/s390/s390-protos.h: Add s390_expand_split_stack_prologue.
14896         * config/s390/s390.c (struct machine_function): New field
14897         split_stack_varargs_pointer.
14898         (s390_register_info): Mark r12 as clobbered if it'll be used as temp
14899         in s390_emit_prologue.
14900         (s390_emit_prologue): Use r12 as temp if r1 is taken by split-stack
14901         vararg pointer.
14902         (morestack_ref): New global.
14903         (SPLIT_STACK_AVAILABLE): New macro.
14904         (s390_expand_split_stack_prologue): New function.
14905         (s390_live_on_entry): New function.
14906         (s390_va_start): Use split-stack vararg pointer if appropriate.
14907         (s390_asm_file_end): Emit the split-stack note sections.
14908         (TARGET_EXTRA_LIVE_ON_ENTRY): New macro.
14909         * config/s390/s390.md (UNSPEC_STACK_CHECK): New unspec.
14910         (UNSPECV_SPLIT_STACK_CALL): New unspec.
14911         (UNSPECV_SPLIT_STACK_DATA): New unspec.
14912         (split_stack_prologue): New expand.
14913         (split_stack_space_check): New expand.
14914         (split_stack_data): New insn.
14915         (split_stack_call): New expand.
14916         (split_stack_call_*): New insn.
14917         (split_stack_cond_call): New expand.
14918         (split_stack_cond_call_*): New insn.
14919
14920 2016-02-15  Richard Biener  <rguenther@suse.de>
14921
14922         PR tree-optimization/69783
14923         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
14924         Add trivially correct cases.
14925
14926 2016-02-15  Tom de Vries  <tom@codesourcery.com>
14927
14928         PR lto/69655
14929         * lto-cgraph.c (input_offload_tables): Add and handle bool parameter
14930         do_force_output.
14931         * lto-streamer.h (input_offload_tables): Add and handle bool parameter.
14932
14933 2016-02-15  Richard Biener  <rguenther@suse.de>
14934
14935         PR tree-optimization/69776
14936         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
14937         * tree-ssa-sccvn.c (vn_reference_lookup): Add parameter to
14938         indicate whether we can use TBAA to disambiguate against stores.
14939         Use alias-set zero if not.
14940         (visit_reference_op_store): Do not use TBAA when looking up
14941         redundant stores.
14942         * tree-ssa-pre.c (compute_avail): Use TBAA here.
14943         (eliminate_dom_walker::before_dom_children): But not when looking
14944         up redundant stores.
14945
14946 2016-02-14  John David Anglin  <danglin@gcc.gnu.org>
14947
14948         * config/pa/pa.md (absqi2, absghi2, bswaphi2, bswapsi2, bswapdi2): New.
14949
14950 2016-02-14  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
14951
14952         *  config/i386/znver1.md
14953         (znver1_pop, znver1_pop_mem,
14954         znver1_load_imov_double_store,
14955         znver1_load_imov_direct_store,
14956         znver1_load_imov_direct_load,
14957         znver1_load_imov_double_load): Add new.
14958         (znver1_insn, znver1_insn_load): Add icmov type.
14959         (znver1_sseavx_fma,
14960         znver1_sseavx_fma_load,
14961         znver1_avx256_fma,
14962         znver1_avx256_fma_load): Fix pipe usage.
14963
14964 2016-02-14  Alan Modra  <amodra@gmail.com>
14965
14966         PR target/68973
14967         * reloads.c (find_reloads_address_1): For pre/post-inc/dec
14968         with an invalid hard reg, reload just the reg not the entire
14969         pre/post-inc/dec address expression.
14970
14971 2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>
14972
14973         PR target/67260
14974         * config/sh/sh.md (sibcall_value_pcrel): Replace =&k scratch reg with
14975         fixed R1_REG scratch reg.
14976         (sibcall_value_pcrel_fdpic): Likewise.
14977
14978 2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>
14979
14980         PR target/67636
14981         PR target/64345
14982         * config/sh/sh.md (*zero_extract_3): New insn_and_split pattern.
14983
14984 2016-02-12  Walter Lee  <walt@tilera.com>
14985
14986         * config/tilepro/t-tilepro: Replace CC_FOR_BUILD with CXX_FOR_BUILD.
14987         * config/tilegx/t-tilegx: Likewise.
14988
14989 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
14990
14991         PR other/69554
14992         * diagnostic-show-locus.c (struct line_span): New struct.
14993         (layout::get_first_line): Delete.
14994         (layout::get_last_line): Delete.
14995         (layout::get_num_line_spans): New member function.
14996         (layout::get_line_span): Likewise.
14997         (layout::print_heading_for_line_span_index_p): Likewise.
14998         (layout::get_expanded_location): Likewise.
14999         (layout::calculate_line_spans): Likewise.
15000         (layout::m_first_line): Delete.
15001         (layout::m_last_line): Delete.
15002         (layout::m_line_spans): New field.
15003         (layout::layout): Update comment.  Replace m_first_line and
15004         m_last_line with m_line_spans, replacing their initialization
15005         with a call to calculate_line_spans.
15006         (diagnostic_show_locus): When printing source lines and
15007         annotations, rather than looping over a single span
15008         of lines, instead loop over each line_span within
15009         the layout, with an inner loop over the lines within them.
15010         Call the context's start_span callback when changing line spans.
15011         * diagnostic.c (diagnostic_initialize): Initialize start_span.
15012         (diagnostic_build_prefix): Break out the building of the location
15013         part of the string into...
15014         (diagnostic_get_location_text): ...this new function, rewriting
15015         it from nested ternary expressions to a sequence of "if"
15016         statements.
15017         (default_diagnostic_start_span_fn): New function.
15018         * diagnostic.h (diagnostic_start_span_fn): New typedef.
15019         (diagnostic_context::start_span): New field.
15020         (default_diagnostic_start_span_fn): New prototype.
15021
15022 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
15023
15024         PR driver/69779
15025         * gcc.c (driver::finalize): Fix cleanup of "specs".
15026
15027 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
15028
15029         PR driver/69265
15030         PR driver/69453
15031         * gcc.c (driver::driver): Initialize m_option_suggestions.
15032         (driver::~driver): Clean up m_option_suggestions.
15033         (suggest_option): Convert to...
15034         (driver::suggest_option): ...this, and split out into
15035         driver::build_option_suggestions and find_closest_string.
15036         (driver::build_option_suggestions): New function, from
15037         first half of suggest_option.  Special-case
15038         OPT_fsanitize_ and OPT_fsanitize_recover_, making use of
15039         the sanitizer_opts array.  For options of enum types, add the
15040         various enum values to the candidate strings.
15041         (driver::handle_unrecognized_options): Remove "const".
15042         * gcc.h (driver::handle_unrecognized_options): Likewise.
15043         (driver::build_option_suggestions): New decl.
15044         (driver::suggest_option): New decl.
15045         (driver::m_option_suggestions): New field.
15046         * opts-common.c (add_misspelling_candidates): New function.
15047         * opts.c (sanitizer_opts): Remove decl of struct sanitizer_opts_s
15048         and make non-static.
15049         * opts.h (sanitizer_opts): New array decl.
15050         (add_misspelling_candidates): New function decl.
15051         * spellcheck.c (find_closest_string): New function.
15052         * spellcheck.h (find_closest_string): New function decl.
15053
15054 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
15055
15056         PR rtl-optimization/69764
15057         PR rtl-optimization/69771
15058         * optabs.c (expand_binop_directly): For shift_optab_p, force
15059         convert_modes with VOIDmode if xop1 has VOIDmode.
15060
15061 2016-02-12  Ilya Enkovich  <enkovich.gnu@gmail.com>
15062
15063         PR target/69729
15064         * lto-streamer-out.c (lto_output): Use thunk.add_pointer_bounds_args
15065         to correctly determine instrumentation thunks.
15066
15067 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
15068
15069         PR ipa/69241
15070         * ipa-split.c (split_function): If split part returns TREE_ADDRESSABLE
15071         type by reference, force lhs on the call.
15072
15073         PR ipa/68672
15074         * ipa-split.c (split_function): Don't compute/use main_part_return_p.
15075         Compute retval and retbnd early in all cases if split_part_return_p
15076         and return_bb is not EXIT.  Remove all clobber stmts and reset
15077         all debug stmts that refer to SSA_NAMEs defined in split part,
15078         except if it is retval, in that case replace the old retval with the
15079         lhs of the call to the split part.
15080
15081 2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
15082
15083         revert:
15084         2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
15085
15086         PR middle-end/66726
15087         * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
15088         whose result is used in PHI.
15089         (maybe_optimize_range_tests): Likewise.
15090         (final_range_test_p): Likweise.
15091
15092 2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
15093
15094         PR middle-end/66726
15095         * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
15096         whose result is used in PHI.
15097         (maybe_optimize_range_tests): Likewise.
15098         (final_range_test_p): Likweise.
15099
15100 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
15101
15102         * cgraph.c: Spelling fixes - behaviour -> behavior and
15103         neighbour -> neighbor.
15104         * target.def: Likewise.
15105         * sel-sched.c: Likewise.
15106         * config/mips/mips.c: Likewise.
15107         * config/arc/arc.md: Likewise.
15108         * config/arm/cortex-a57.md: Likewise.
15109         * config/arm/arm.c: Likewise.
15110         * config/arm/neon.md: Likewise.
15111         * config/arm/arm-c.c: Likewise.
15112         * config/vms/vms-c.c: Likewise.
15113         * config/s390/s390.c: Likewise.
15114         * config/i386/znver1.md: Likewise.
15115         * config/i386/i386.c: Likewise.
15116         * config/ia64/hpux-unix2003.h: Likewise.
15117         * config/msp430/msp430.md: Likewise.
15118         * config/rx/rx.c: Likewise.
15119         * config/rx/rx.md: Likewise.
15120         * config/aarch64/aarch64-simd.md: Likewise.
15121         * config/aarch64/aarch64.c: Likewise.
15122         * config/nvptx/nvptx.c: Likewise.
15123         * config/bfin/bfin.c: Likewise.
15124         * config/cris/cris.opt: Likewise.
15125         * config/rs6000/rs6000.c: Likewise.
15126         * target.h: Likewise.
15127         * spellcheck.c: Likewise.
15128         * ira-build.c: Likewise.
15129         * tree-inline.c: Likewise.
15130         * builtins.c: Likewise.
15131         * lra-constraints.c: Likewise.
15132         * explow.c: Likewise.
15133         * hwint.h: Likewise.
15134         * targhooks.c: Likewise.
15135         * tree-vect-data-refs.c: Likewise.
15136         * expr.c: Likewise.
15137         * doc/tm.texi: Likewise.
15138         * doc/extend.texi: Likewise.
15139         * doc/install.texi: Likewise.
15140         * doc/md.texi: Likewise.
15141         * tree-ssa-tail-merge.c: Likewise.
15142         * sched-int.h: Likewise.
15143         * match.pd: Likewise.
15144         * sched-ebb.c: Likewise.
15145         * target.def (omit_struct_return_reg): Likewise.
15146         * gimple-ssa-isolate-paths.c: Likewise.
15147         (find_implicit_erroneous_behaviour): Renamed to...
15148         (find_implicit_erroneous_behavior): ... this.
15149         (find_explicit_erroneous_behaviour): Renamed to...
15150         (find_explicit_erroneous_behavior): ... this.
15151         (gimple_ssa_isolate_erroneous_paths): Adjust caller.
15152
15153 2016-02-11  Segher Boessenkool  <segher@kernel.crashing.org>
15154
15155         PR rtl-optimization/64682
15156         PR rtl-optimization/69567
15157         PR rtl-optimization/69737
15158         * combine.c (distribute_notes) <REG_DEAD>: If the register is set
15159         in I2 as well, just lose it.
15160
15161 2016-02-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
15162
15163         * config/aarch64/aarch64.c (aarch64_last_printed_arch_string):
15164         New variable.
15165         (aarch64_last_printed_tune_string): Likewise.
15166         (aarch64_declare_function_name): Only output .arch assembler
15167         directive if it will be different from the previously output
15168         directive.  Same for .tune comment but only if -dA is set.
15169         (aarch64_start_file): New function.
15170         (TARGET_ASM_FILE_START): Define.
15171
15172 2016-02-11  David Malcolm  <dmalcolm@redhat.com>
15173
15174         PR plugins/69758
15175         * Makefile.in (PLUGIN_HEADERS): Add params.list.
15176
15177 2016-02-11  Jakub Jelinek  <jakub@redhat.com>
15178
15179         PR target/65313
15180         * tree-vect-slp.c (vect_schedule_slp_instance): Avoid
15181         -Wmaybe-uninitialized warning.
15182
15183 2016-02-11  Oleg Endo  <olegendo@gcc.gnu.org>
15184
15185         PR target/69713
15186         * config/sh/sh.md (casesi_worker_0): Add T_REG use.
15187
15188 2016-02-11  Richard Biener  <rguenther@suse.de>
15189
15190         PR rtl-optimization/69291
15191         * ifcvt.c (noce_try_store_flag_constants): Do not allow
15192         subexpressions affected by changing the result.
15193
15194 2016-02-10  Vladimir Makarov  <vmakarov@redhat.com>
15195
15196         PR target/69148
15197         * lra-constraints.c (curr_insn_transform): Find in/out operands
15198         for secondary memory moves.  Update dups.
15199
15200 2016-02-10  Yuri Rumyantsev  <ysrumyan@gmail.com>
15201
15202         PR tree-optimization/69652
15203         * tree-vect-loop.c (optimize_mask_stores): Move declaration of STMT1
15204         to nested loop, did source re-formatting, skip debug statements,
15205         add check on statement with volatile operand, remove dead scalar
15206         statements.
15207
15208 2016-02-10  Jakub Jelinek  <jakub@redhat.com>
15209             Patrick Palka  <ppalka@gcc.gnu.org>
15210
15211         PR ipa/69241
15212         PR c++/69649
15213         * gimplify.c (gimplify_modify_expr): Set lhs even for noreturn
15214         calls if the return type is TREE_ADDRESSABLE.
15215         * cgraphunit.c (cgraph_node::expand_thunk): Likewise.
15216         * ipa-split.c (split_function): Fix doubled "we" in comment.
15217         Use void return type for the split part even if
15218         !split_point->split_part_set_retval.
15219
15220 2016-02-10  Bin Cheng  <bin.cheng@arm.com>
15221
15222         PR tree-optimization/68021
15223         * tree-ssa-loop-ivopts.c (get_computation_aff): Set ratio to 1 if
15224         when computing the value of biv cand by itself.
15225
15226 2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>
15227
15228         * config/aarch64/aarch64.c (cortexa53_tunings): Enable AES fusion.
15229         (cortexa57_tunings): Likewise.
15230         (cortexa72_tunings): Likewise.
15231         (arch_macro_fusion_pair_p): Add support for AES fusion.
15232         * config/aarch64/aarch64-fusion-pairs.def: Add AES_AESMC entry.
15233         * config/arm/aarch-common.c (aarch_crypto_can_dual_issue):
15234         Allow virtual registers before reload so early scheduling works.
15235         * config/arm/cortex-a57.md (cortex_a57_crypto_simple): Use
15236         correct latency and pipeline.
15237         (cortex_a57_crypto_complex): Likewise.
15238         (cortex_a57_crypto_xor): Likewise.
15239         (define_bypass): Add AES bypass.
15240
15241 2016-02-10  Richard Biener  <rguenther@suse.de>
15242
15243         PR tree-optimization/69726
15244         * passes.def: Add DCE pass before late uninit.
15245         * match.pd: Add A ? B : (!A ? C : X) -> A ? B : C patterns to
15246         really fixup if-conversions job.
15247
15248 2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>
15249
15250         * config/arm/arm.c (arm_cortex_a53_tune): Enable AES fusion.
15251         (arm_cortex_a57_tune): Likewise.
15252         (aarch_macro_fusion_pair_p): Add support for AES fusion.
15253         * config/arm/arm-protos.h (fuse_ops): Add FUSE_AES_AESMC.
15254
15255 2016-02-10  Eric Botcazou  <ebotcazou@adacore.com>
15256
15257         * timevar.def (TV_PHASE_DBGINFO): Delete.
15258         (TV_PHASE_CHECK_DBGINFO): Likewise.
15259         * varpool.c (varpool_node::assemble_decl): Do not change timevar.
15260
15261 2016-02-10  Richard Biener  <rguenther@suse.de>
15262
15263         PR tree-optimization/69719
15264         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
15265         Adjust previous fix by ensuring that dr_a1 is left of dr_a2.
15266
15267 2016-02-09  Andrew Pinski  <apinski@cavium.com>
15268
15269         PR tree-opt/69282
15270         * optabs-tree.c (expand_vec_cond_expr_p): Don't early return if
15271         get_vcond_mask_icode returns false.
15272
15273 2016-02-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
15274
15275         PR target/68404
15276         * config/rs6000/predicates.md (fusion_gpr_addis): Prevent fusing
15277         an ADDIS that adds a pointer to a large constant that sets the
15278         upper16 bits with a load operation.
15279
15280 2016-02-09  Charles Baylis  <charles.baylis@linaro.org>
15281
15282         PR target/68532
15283         * config/arm/arm.c (arm_evpc_neon_vzip): Allow for big endian lane
15284         order.
15285         * config/arm/arm_neon.h (vzipq_s8): Adjust shuffle patterns for big
15286         endian.
15287         (vzipq_s16): Likewise.
15288         (vzipq_s32): Likewise.
15289         (vzipq_f32): Likewise.
15290         (vzipq_u8): Likewise.
15291         (vzipq_u16): Likewise.
15292         (vzipq_u32): Likewise.
15293         (vzipq_p8): Likewise.
15294         (vzipq_p16): Likewise.
15295
15296 2016-02-09  Charles Baylis  <charles.baylis@linaro.org>
15297
15298         PR target/68532
15299         * config/arm/arm.c (neon_endian_lane_map): New function.
15300         (neon_vector_pair_endian_lane_map): New function.
15301         (arm_evpc_neon_vuzp): Allow for big endian lane order.
15302         * config/arm/arm_neon.h (vuzpq_s8): Adjust shuffle patterns for big
15303         endian.
15304         (vuzpq_s16): Likewise.
15305         (vuzpq_s32): Likewise.
15306         (vuzpq_f32): Likewise.
15307         (vuzpq_u8): Likewise.
15308         (vuzpq_u16): Likewise.
15309         (vuzpq_u32): Likewise.
15310         (vuzpq_p8): Likewise.
15311         (vuzpq_p16): Likewise.
15312
15313 2016-02-11  Alexandre Oliva  <aoliva@redhat.com>
15314
15315         PR target/69634
15316         * regstat.c (regstat_bb_compute_calls_crossed): Disregard
15317         debug insns.
15318
15319 2016-02-09  Uros Bizjak  <ubizjak@gmail.com>
15320
15321         * config/i386/i386.md (insv<mode>_1): Use gen_int_mode to
15322         truncate const_int operand 1 to QImode.
15323
15324 2016-02-09  Eric Botcazou  <ebotcazou@adacore.com>
15325
15326         * gimple-ssa-backprop.c (optimize_phi): Do not replace an argument
15327         corresponding to an abnormal edge.
15328
15329 2016-02-09  Tom de Vries  <tom@codesourcery.com>
15330
15331         PR tree-optimization/69599
15332         * tree-ssa-structalias.c (fndecl_maybe_in_other_partition): New
15333         function.
15334         (find_func_aliases_for_builtin_call, find_func_clobbers)
15335         (ipa_pta_execute):  Handle case that foo and foo._0 are not in same lto
15336         partition.
15337
15338 2016-02-09  Richard Biener  <rguenther@suse.de>
15339
15340         PR tree-optimization/69715
15341         * tree-ssa.c (execute_update_addresses_taken): Mark non-decl
15342         LHS on calls as non-rewritable.
15343
15344 2016-02-09  Tom de Vries  <tom@codesourcery.com>
15345
15346         PR lto/69707
15347         * lto-wrapper.c (append_diag_options): New function.
15348         (compile_offload_image): Call append_diag_options.
15349
15350 2016-02-08  Sandra Loosemore  <sandra@codesourcery.com>
15351
15352         PR other/69722
15353         * doc/extend.texi (Flag Output Operands): Correct sectioning.
15354         Minor copy-edit to fix verb tenses.
15355
15356 2016-02-08  Jakub Jelinek  <jakub@redhat.com>
15357
15358         PR tree-optimization/69209
15359         * ipa-split.c (split_function): If split part is not
15360         returning retval, retval has gimple type but is not
15361         gimple value, force it into a SSA_NAME first.
15362
15363 2016-02-08  Nicklas Bo Jensen  <nbjensen@gmail.com>
15364
15365         * doc/tree-ssa.texi (Preserving the virtual SSA form): Remove
15366         outdated section.
15367
15368 2016-02-08  Jason Merrill  <jason@redhat.com>
15369
15370         PR c++/69631
15371         * convert.c (convert_to_integer_1): Check dofold on truncation
15372         distribution.
15373         (convert_to_pointer_maybe_fold, convert_to_real_maybe_fold)
15374         (convert_to_integer_maybe_fold, convert_to_complex_maybe_fold):
15375         Rename from *_nofold.
15376         * convert.h (convert_to_pointer_nofold, convert_to_integer_nofold)
15377         (convert_to_real_nofold, convert_to_complex_nofold): New inlines.
15378
15379 2016-02-08  Bernd Schmidt  <bschmidt@redhat.com>
15380
15381         PR target/60410
15382         * tree.c (build_common_tree_nodes): Remove short_double argument.
15383         All callers changed.
15384         * tree.h (build_common_tree_nodes): Adjust declaration.
15385         * doc/invoke.texi (-fshort-double): Remove documentation.
15386         * config/mips/t-img-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
15387         MULTILIB_EXCEPTIONS): Remove -fshort-double variant.
15388         * lto-wrapper.c (merge_and_complain, append_compiler_options)
15389         (append_linker_options): Don't handle OPT_fshort_double.
15390
15391         PR rtl-optimization/68730
15392         * lra-remat.c (insn_to_cand_activation): New static variable.
15393         (lra_remat): Allocate and free it.
15394         (create_cand): New arg activation. Initialize a field in
15395         insn_to_cand_activation if it is nonnull.
15396         (create_cands): Pass the activation insn to create_cand when making
15397         a candidate involving an output reload.  Reorganize code a little.
15398         (do_remat): Keep track of active status of candidates in a separate
15399         bitmap.
15400
15401 2016-02-08  Richard Biener  <rguenther@suse.de>
15402
15403         PR tree-optimization/69719
15404         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
15405         Properly use absolute of the difference of the two offsets to
15406         compare or adjust the segment length.
15407
15408 2016-02-08  Richard Biener  <rguenther@suse.de>
15409             Jeff Law  <law@redhat.com>
15410
15411         PR target/68273
15412         * tree-ssanames.c (make_ssa_name_fn): Always use unqualified
15413         types for anonymous SSA names.
15414
15415 2016-02-08   Richard Biener  <rguenther@suse.de>
15416
15417         PR rtl-optimization/69274
15418         * ira.c (ira_setup_alts): Do not change recog_data.operand order.
15419
15420 2016-02-08  Jeff Law  <law@redhat.com>
15421
15422         PR tree-optimization/65917
15423         * tree-ssa-dom.c (record_temporary_equivalences): Record both
15424         equivalences from if (x == y) style conditionals.
15425         (loop_depth_of_name): Remove.
15426         (record_equality): Remove loop depth check.
15427         * tree-ssa-scopedtables.h (const_and_copies): Refine comments.
15428         (const_and_copies::record_const_or_copy_raw): New member function.
15429         * tree-ssa-scopedtables.c
15430         (const_and_copies::record_const_or_copy_raw): New, factored out of
15431         (const_and_copies::record_const_or_copy): Call new member function.
15432
15433 2016-02-05  Jeff Law  <law@redhat.com>
15434
15435         PR tree-optimization/68541
15436         * gimple-ssa-split-paths.c: Include tree-cfg.h and params.h.
15437         (count_stmts_in_block): New function.
15438         (poor_ifcvt_candidate_code): Likewise.
15439         (is_feasible_trace): Add some heuristics to determine when path
15440         splitting is profitable.
15441         (find_block_to_duplicate_for_splitting_paths): Make sure the graph
15442         is a diamond with a single exit.
15443
15444 2016-02-05  Martin Sebor  <msebor@redhat.com>
15445
15446         PR c++/69662
15447         * doc/invoke.texi: Update -Wplacement-new to take an optional
15448         argument.
15449
15450 2016-02-06  Richard Henderson  <rth@redhat.com>
15451
15452         PR c/69643
15453         * tree.c (tree_nop_conversion_p): Do not strip casts into or
15454         out of non-standard address spaces.
15455
15456 2016-02-05  Jakub Jelinek  <jakub@redhat.com>
15457
15458         PR rtl-optimization/69691
15459         * lra-eliminations.c (move_plus_up): Don't add the addend twice.
15460
15461 2016-02-05  Pat Haugen  <pthaugen@us.ibm.com>
15462
15463         * config/rs6000/crypto.md (crypto_vpermxor_<mode>): Correct insn type.
15464         * config/rs6000/rs6000.md (mov<mode>_hardfloat): Likewise.
15465         (*ieee128_mfvsrd_64bit): Likewise.
15466         (*ieee128_mfvsrd_32bit): Likewise.
15467
15468 2016-02-05  Ilya Enkovich  <enkovich.gnu@gmail.com>
15469
15470         PR target/69369
15471         Revert r232560:
15472         2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
15473
15474         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
15475         instrumented_version.
15476
15477 2016-01-05  Jeremy Bennett  <jeremy.bennett@embecosm.com>
15478
15479         * doc/invoke.texi (Optimize Options): In table of --param options
15480         rename second occurrence of tracer-min-branch-ratio to
15481         tracer-min-branch-probability, rename
15482         tracer-min-branch-ratio-feedback to
15483         tracer-min-branch-probability-feedback and clarify description,
15484         rename sched-spec-state-edge-prob-cutoff to
15485         sched-state-edge-prob-cutoff, rename selsched-max-insns-to-rename
15486         to selsched-insns-to-rename, rename lto-minpartition to
15487         lto-min-partition, delete reorder-blocks-duplicate and
15488         reorder-blocks-duplicate-feedback.
15489
15490 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
15491
15492         * config/s390/s390.c (s390_register_info_set_ranges): Remove
15493         superfluous loops.
15494
15495 2016-02-05  Dominik Vogt  <vogt@linux.vnet.ibm.com>
15496
15497         * doc/extend.texi: S/390: Correct some typos.
15498
15499 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
15500
15501         * config/s390/s390.c (s390_emit_call): Add missing 64 bit check.
15502
15503 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
15504
15505         PR target/69625
15506         * config/s390/s390.c (SAVE_SLOT_NONE, SAVE_SLOT_STACK): New defines.
15507         (s390_register_info_gprtofpr): Use new macros above.
15508         (s390_register_info_stdarg_fpr): Adjust max_fpr to better match
15509         its name.
15510         (s390_register_info_stdarg_gpr): Adjust max_gpr to better match
15511         its name.  Adjust restore and save gpr ranges.
15512         (s390_register_info_set_ranges): New function.
15513         (s390_register_info): Use new macros above.  Call
15514         s390_register_info_set_ranges.
15515         (s390_optimize_register_info): Likewise.
15516         (s390_hard_regno_rename_ok): Use new macros.
15517         (s390_hard_regno_scratch_ok): Likewise.
15518         (s390_emit_epilogue): Likewise.
15519         (s390_can_use_return_insn): Likewise.
15520         (s390_optimize_prologue): Likewise.
15521         * config/s390/s390.md (GPR2_REGNUM, GPR6_REGNUM): New constants.
15522
15523 2016-02-05  Jakub Jelinek  <jakub@redhat.com>
15524
15525         PR bootstrap/69677
15526         * config/i386/i386.c (convert_scalars_to_vector): Readd stack
15527         alignment fixes.
15528         (ix86_option_override_internal): Disable TARGET_STV even for
15529         -m{incoming,preferred}-stack-boundary=3.
15530
15531 2016-02-03  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15532
15533         * config.gcc: Mark deprecated rtems targets as obsolete.
15534
15535 2016-02-04  Segher Boessenkool  <segher@kernel.crashing.org>
15536
15537         PR rtl-optimization/64682
15538         PR rtl-optimization/69567
15539         * combine.c (distribute_notes) <REG_DEAD>: Place the death note
15540         before I2 only if the register is both used and set in I2.
15541
15542 2016-02-04  DJ Delorie  <dj@redhat.com>
15543
15544         * config/msp430/msp430.c (msp430_start_function): Add function type.
15545
15546 2016-02-04  Jakub Jelinek  <jakub@redhat.com>
15547
15548         PR fortran/69368
15549         * tree-dfa.c (get_ref_base_and_extent): Remove unreachable code.
15550
15551 2016-02-04  Uros Bizjak  <ubizjak@gmail.com>
15552
15553         PR rtl-optimization/69577
15554         Revert:
15555         2015-10-29  Richard Henderson  <rth@redhat.com>
15556
15557         PR target/68124
15558         PR rtl-opt/67609
15559         * config/i386/i386.c (ix86_cannot_change_mode_class): Tighten
15560         sse check to the exact conditions of PR 67609.
15561
15562 2016-02-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
15563
15564         PR target/69667
15565         * config/rs6000/rs6000.md (mov<mode>_64bit_dm): Use 'd' constraint
15566         instead of 'ws', and 'wh' instead of 'wm' since TFmode/IFmode are
15567         not allowed into the traditional Altivec registers.
15568         (movtd_64bit_nodm): Likewise.
15569         (mov<mode>_32bit, FMOVE128_FPR iterator): Likewise.
15570
15571 2016-02-04  David Malcolm  <dmalcolm@redhat.com>
15572
15573         * config/aarch64/cortex-a57-fma-steering.c
15574         (aarch64_register_fma_steering): Remove "static" from arguments
15575         to register_pass.
15576
15577 2016-02-04  Wilco Dijkstra  <wdijkstr@arm.com>
15578
15579         PR target/69619
15580         * ccmp.c (expand_ccmp_expr_1): Avoid evaluating gs0/gs1
15581         twice when complex.
15582
15583 2016-02-04  Mike Frysinger  <vapier@gentoo.org>
15584
15585         * doc/invoke.texi: Delete -mno-fma4.
15586
15587 2016-02-04  Richard Sandiford  <richard.sandiford@arm.com>
15588
15589         PR rtl-optimization/69577
15590         * reginfo.c (record_subregs_of_mode): Add a partial_def parameter.
15591         (find_subregs_of_mode): Update accordingly.  Iterate over partial
15592         definitions.
15593
15594 2016-02-04  Alan Lawrence  <alan.lawrence@arm.com>
15595
15596         * config/arm/arm-protos.h (neon_reinterpret): Remove.
15597         * config/arm/arm.c (neon_reinterpret): Remove.
15598         * config/arm/arm_neon_builtins.def (vreinterpretv8qi, vreinterpretv4hi,
15599         vreinterpretv2si, vreinterpretv2sf, vreinterpretdi, vreinterpretv16qi,
15600         vreinterpretv8hi, vreinterpretv4si, vreinterpretv4sf, vreinterpretv2di,
15601         vreinterpretti): Remove.
15602         * config/arm/neon.md (neon_vreinterpretv8qi<mode>,
15603         neon_vreinterpretv4hi<mode>, neon_vreinterpretv2si<mode>,
15604         neon_vreinterpretv2sf<mode>, neon_vreinterpretdi<mode>,
15605         neon_vreinterpretti<mode>, neon_vreinterpretv16qi<mode>,
15606         neon_vreinterpretv8hi<mode>, neon_vreinterpretv4si<mode>,
15607         neon_vreinterpretv4sf<mode>, neon_vreinterpretv2di<mode>): Remove.
15608         * config/arm/arm_neon.h (vreinterpret_p8_p16, vreinterpret_p8_f32,
15609         vreinterpret_p8_p64, vreinterpret_p8_s64, vreinterpret_p8_u64,
15610         vreinterpret_p8_s8, vreinterpret_p8_s16, vreinterpret_p8_s32,
15611         vreinterpret_p8_u8, vreinterpret_p8_u16, vreinterpret_p8_u32,
15612         vreinterpret_p16_p8, vreinterpret_p16_f32, vreinterpret_p16_p64,
15613         vreinterpret_p16_s64, vreinterpret_p16_u64, vreinterpret_p16_s8,
15614         vreinterpret_p16_s16, vreinterpret_p16_s32, vreinterpret_p16_u8,
15615         vreinterpret_p16_u16, vreinterpret_p16_u32, vreinterpret_f32_p8,
15616         vreinterpret_f32_p16, vreinterpret_f32_p64, vreinterpret_f32_s64,
15617         vreinterpret_f32_u64, vreinterpret_f32_s8, vreinterpret_f32_s16,
15618         vreinterpret_f32_s32, vreinterpret_f32_u8, vreinterpret_f32_u16,
15619         vreinterpret_f32_u32, vreinterpret_p64_p8, vreinterpret_p64_p16,
15620         vreinterpret_p64_f32, vreinterpret_p64_s64, vreinterpret_p64_u64,
15621         vreinterpret_p64_s8, vreinterpret_p64_s16, vreinterpret_p64_s32,
15622         vreinterpret_p64_u8, vreinterpret_p64_u16, vreinterpret_p64_u32,
15623         vreinterpret_s64_p8, vreinterpret_s64_p16, vreinterpret_s64_f32,
15624         vreinterpret_s64_p64, vreinterpret_s64_u64, vreinterpret_s64_s8,
15625         vreinterpret_s64_s16, vreinterpret_s64_s32, vreinterpret_s64_u8,
15626         vreinterpret_s64_u16, vreinterpret_s64_u32, vreinterpret_u64_p8,
15627         vreinterpret_u64_p16, vreinterpret_u64_f32, vreinterpret_u64_p64,
15628         vreinterpret_u64_s64, vreinterpret_u64_s8, vreinterpret_u64_s16,
15629         vreinterpret_u64_s32, vreinterpret_u64_u8, vreinterpret_u64_u16,
15630         vreinterpret_u64_u32, vreinterpret_s8_p8, vreinterpret_s8_p16,
15631         vreinterpret_s8_f32, vreinterpret_s8_p64, vreinterpret_s8_s64,
15632         vreinterpret_s8_u64, vreinterpret_s8_s16, vreinterpret_s8_s32,
15633         vreinterpret_s8_u8, vreinterpret_s8_u16, vreinterpret_s8_u32,
15634         vreinterpret_s16_p8, vreinterpret_s16_p16, vreinterpret_s16_f32,
15635         vreinterpret_s16_p64, vreinterpret_s16_s64, vreinterpret_s16_u64,
15636         vreinterpret_s16_s8, vreinterpret_s16_s32, vreinterpret_s16_u8,
15637         vreinterpret_s16_u16, vreinterpret_s16_u32, vreinterpret_s32_p8,
15638         vreinterpret_s32_p16, vreinterpret_s32_f32, vreinterpret_s32_p64,
15639         vreinterpret_s32_s64, vreinterpret_s32_u64, vreinterpret_s32_s8,
15640         vreinterpret_s32_s16, vreinterpret_s32_u8, vreinterpret_s32_u16,
15641         vreinterpret_s32_u32, vreinterpret_u8_p8, vreinterpret_u8_p16,
15642         vreinterpret_u8_f32, vreinterpret_u8_p64, vreinterpret_u8_s64,
15643         vreinterpret_u8_u64, vreinterpret_u8_s8, vreinterpret_u8_s16,
15644         vreinterpret_u8_s32, vreinterpret_u8_u16, vreinterpret_u8_u32,
15645         vreinterpret_u16_p8, vreinterpret_u16_p16, vreinterpret_u16_f32,
15646         vreinterpret_u16_p64, vreinterpret_u16_s64, vreinterpret_u16_u64,
15647         vreinterpret_u16_s8, vreinterpret_u16_s16, vreinterpret_u16_s32,
15648         vreinterpret_u16_u8, vreinterpret_u16_u32, vreinterpret_u32_p8,
15649         vreinterpret_u32_p16, vreinterpret_u32_f32, vreinterpret_u32_p64,
15650         vreinterpret_u32_s64, vreinterpret_u32_u64, vreinterpret_u32_s8,
15651         vreinterpret_u32_s16, vreinterpret_u32_s32, vreinterpret_u32_u8,
15652         vreinterpret_u32_u16, vreinterpretq_p8_p16, vreinterpretq_p8_f32,
15653         vreinterpretq_p8_p64, vreinterpretq_p8_p128, vreinterpretq_p8_s64,
15654         vreinterpretq_p8_u64, vreinterpretq_p8_s8, vreinterpretq_p8_s16,
15655         vreinterpretq_p8_s32, vreinterpretq_p8_u8, vreinterpretq_p8_u16,
15656         vreinterpretq_p8_u32, vreinterpretq_p16_p8, vreinterpretq_p16_f32,
15657         vreinterpretq_p16_p64, vreinterpretq_p16_p128, vreinterpretq_p16_s64,
15658         vreinterpretq_p16_u64, vreinterpretq_p16_s8, vreinterpretq_p16_s16,
15659         vreinterpretq_p16_s32, vreinterpretq_p16_u8, vreinterpretq_p16_u16,
15660         vreinterpretq_p16_u32, vreinterpretq_f32_p8, vreinterpretq_f32_p16,
15661         vreinterpretq_f32_p64, vreinterpretq_f32_p128, vreinterpretq_f32_s64,
15662         vreinterpretq_f32_u64, vreinterpretq_f32_s8, vreinterpretq_f32_s16,
15663         vreinterpretq_f32_s32, vreinterpretq_f32_u8, vreinterpretq_f32_u16,
15664         vreinterpretq_f32_u32, vreinterpretq_p64_p8, vreinterpretq_p64_p16,
15665         vreinterpretq_p64_f32, vreinterpretq_p64_p128, vreinterpretq_p64_s64,
15666         vreinterpretq_p64_u64, vreinterpretq_p64_s8, vreinterpretq_p64_s16,
15667         vreinterpretq_p64_s32, vreinterpretq_p64_u8, vreinterpretq_p64_u16,
15668         vreinterpretq_p64_u32, vreinterpretq_p128_p8, vreinterpretq_p128_p16,
15669         vreinterpretq_p128_f32, vreinterpretq_p128_p64, vreinterpretq_p128_s64,
15670         vreinterpretq_p128_u64, vreinterpretq_p128_s8, vreinterpretq_p128_s16,
15671         vreinterpretq_p128_s32, vreinterpretq_p128_u8, vreinterpretq_p128_u16,
15672         vreinterpretq_p128_u32, vreinterpretq_s64_p8, vreinterpretq_s64_p16,
15673         vreinterpretq_s64_f32, vreinterpretq_s64_p64, vreinterpretq_s64_p128,
15674         vreinterpretq_s64_u64, vreinterpretq_s64_s8, vreinterpretq_s64_s16,
15675         vreinterpretq_s64_s32, vreinterpretq_s64_u8, vreinterpretq_s64_u16,
15676         vreinterpretq_s64_u32, vreinterpretq_u64_p8, vreinterpretq_u64_p16,
15677         vreinterpretq_u64_f32, vreinterpretq_u64_p64, vreinterpretq_u64_p128,
15678         vreinterpretq_u64_s64, vreinterpretq_u64_s8, vreinterpretq_u64_s16,
15679         vreinterpretq_u64_s32, vreinterpretq_u64_u8, vreinterpretq_u64_u16,
15680         vreinterpretq_u64_u32, vreinterpretq_s8_p8, vreinterpretq_s8_p16,
15681         vreinterpretq_s8_f32, vreinterpretq_s8_p64, vreinterpretq_s8_p128,
15682         vreinterpretq_s8_s64, vreinterpretq_s8_u64, vreinterpretq_s8_s16,
15683         vreinterpretq_s8_s32, vreinterpretq_s8_u8, vreinterpretq_s8_u16,
15684         vreinterpretq_s8_u32, vreinterpretq_s16_p8, vreinterpretq_s16_p16,
15685         vreinterpretq_s16_f32, vreinterpretq_s16_p64, vreinterpretq_s16_p128,
15686         vreinterpretq_s16_s64, vreinterpretq_s16_u64, vreinterpretq_s16_s8,
15687         vreinterpretq_s16_s32, vreinterpretq_s16_u8, vreinterpretq_s16_u16,
15688         vreinterpretq_s16_u32, vreinterpretq_s32_p8, vreinterpretq_s32_p16,
15689         vreinterpretq_s32_f16, vreinterpretq_s32_f32, vreinterpretq_s32_p64,
15690         vreinterpretq_s32_p128, vreinterpretq_s32_s64, vreinterpretq_s32_u64,
15691         vreinterpretq_s32_s8, vreinterpretq_s32_s16, vreinterpretq_s32_u8,
15692         vreinterpretq_s32_u16, vreinterpretq_s32_u32, vreinterpretq_u8_p8,
15693         vreinterpretq_u8_p16, vreinterpretq_u8_f32, vreinterpretq_u8_p64,
15694         vreinterpretq_u8_p128, vreinterpretq_u8_s64, vreinterpretq_u8_u64,
15695         vreinterpretq_u8_s8, vreinterpretq_u8_s16, vreinterpretq_u8_s32,
15696         vreinterpretq_u8_u16, vreinterpretq_u8_u32, vreinterpretq_u16_p8,
15697         vreinterpretq_u16_p16, vreinterpretq_u16_f32, vreinterpretq_u16_p64,
15698         vreinterpretq_u16_p128, vreinterpretq_u16_s64, vreinterpretq_u16_u64,
15699         vreinterpretq_u16_s8, vreinterpretq_u16_s16, vreinterpretq_u16_s32,
15700         vreinterpretq_u16_u8, vreinterpretq_u16_u32, vreinterpretq_u32_p8,
15701         vreinterpretq_u32_p16, vreinterpretq_u32_f32, vreinterpretq_u32_p64,
15702         vreinterpretq_u32_p128, vreinterpretq_u32_s64, vreinterpretq_u32_u64,
15703         vreinterpretq_u32_s8, vreinterpretq_u32_s16, vreinterpretq_u32_s32,
15704         vreinterpretq_u32_u8, vreinterpretq_u32_u16): Rewrite using casts.
15705
15706 2016-02-04  Martin Liska  <mliska@suse.cz>
15707
15708         PR sanitizer/69276
15709         * asan.c (has_stmt_been_instrumented_p): Instrument gimple calls
15710         that are gimple_store_p.
15711         (maybe_instrument_call): Likewise.
15712
15713 2016-02-04  Bin Cheng  <bin.cheng@arm.com>
15714
15715         * config/aarch64/aarch64.c (aarch64_legitimize_address): Force
15716         register scaling out of memory reference and comment why.
15717
15718 2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
15719
15720         PR target/65932
15721         PR target/67714
15722         * cse.c (cse_insn): Pass NULL to fold_rtx when initially
15723         folding the source of a SET.
15724
15725 2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
15726
15727         PR target/65932
15728         PR target/67714
15729         * config/arm/arm.c (arm_new_rtx_costs, MULT case): Properly extract
15730         the operands of the SIGN_EXTENDs from a SMUL[TB][TB] rtx.
15731
15732 2016-02-04  Jim Wilson  <jim.wilson@linaro.org>
15733
15734         PR target/65932
15735         PR target/67714
15736         * config/arm/arm.h (PROMOTE_MODE): Don't set UNSIGNEDP for QImode and
15737         HImode.
15738
15739 2016-02-04  Christian Bruel  <christian.bruel@st.com>
15740
15741         * config/arm/arm-c.c (arm_reset_previous_fndecl): Style fix and typo.
15742         * config/arm/arm.c (arm_set_current_function): Likewise.
15743
15744 2016-02-04  Jakub Jelinek  <jakub@redhat.com>
15745             Ilya Enkovich  <enkovich.gnu@gmail.com>
15746             H.J. Lu  <hongjiu.lu@intel.com>
15747
15748         PR target/69454
15749         * config/i386/i386.c (convert_scalars_to_vector): Remove
15750         stack alignment fixes.
15751         (ix86_option_override_internal): Disable TARGET_STV if stack
15752         might not be aligned enough.
15753         (ix86_minimum_alignment): Assert that TARGET_STV is false.
15754
15755 2016-02-04  Victoria Stepanyan  <victoria.stepanyan@amd.com>
15756
15757         * config/i386/x86-tune.def: Disable default prefetching
15758         for -march=znver1.
15759
15760 2016-02-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
15761             Vladimir Makarov  <vmakarov@redhat.com>
15762
15763         PR target/69461
15764         * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Fix thinko
15765         in validating fused toc addresses.
15766
15767 2016-02-03  Jakub Jelinek  <jakub@redhat.com>
15768
15769         PR c/69627
15770         * diagnostic-show-locus.c (layout::get_state_at_point): Don't read
15771         range->m_caret fields if range->m_show_caret_p is false.
15772
15773         PR target/69644
15774         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
15775         Force oldval into register if it does not satisfy reg_or_short_operand
15776         predicate.  Fix up formatting.
15777
15778 2016-02-03  Vladimir Makarov  <vmakarov@redhat.com>
15779             Alexandre Oliva  <aoliva@redhat.com>
15780
15781         PR target/69461
15782         * lra-constraints.c (simplify_operand_subreg): Check additionally
15783         address validity after potential reloading.
15784         (process_address_1): Check insns validity.  In case of failure do
15785         nothing.
15786
15787 2016-02-03  Kirill Yukhin  <kirill.yukhin@intel.com>
15788
15789         PR target/69118
15790         * config/i386/sse.md (define_insn "avx512f_maskcmp<mode>3"):
15791         Fix target.
15792
15793 2016-02-02  Jakub Jelinek  <jakub@redhat.com>
15794
15795         * wide-int.cc (canonize_uhwi): New function.
15796         (wi::divmod_internal): Use it.
15797
15798 2016-02-02  James Norris  <jnorris@codesourcery.com
15799
15800         * gimplify.c (omp_notice_variable): Add usage check.
15801
15802 2016-02-02  Alexander Monakov  <amonakov@ispras.ru>
15803
15804         * config/nvptx/nvptx.c (nvptx_print_operand): Treat LEU, GEU, LTU, GTU
15805         like LE, GE, LT, GT when emitting relational operator.
15806
15807 2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>
15808
15809         * ira-costs.c (find_costs_and_classes): Add extra argument.
15810         * target.def (ira_change_pseudo_allocno_class): Add parameter.
15811         * targhooks.h (ira_change_pseudo_allocno_class): Likewise.
15812         * targhooks.c (ira_change_pseudo_allocno_class): Likewise.
15813         * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class)
15814         Add best_class parameter, and return it if not ALL_REGS.
15815         * config/mips/mips.c (mips_ira_change_pseudo_allocno_class):
15816         Add parameter.
15817         * doc/tm.texi (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS):
15818         Update target hook.
15819
15820 2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>
15821
15822         * config/aarch64/aarch64.c
15823         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): New define.
15824         (aarch64_ira_change_pseudo_allocno_class): New function.
15825
15826 2016-02-02  Uros Bizjak  <ubizjak@gmail.com>
15827
15828         PR target/67032
15829         * config/i386/i386.c (geode_cost): Increase cost of MMX and SSE moves.
15830
15831 2016-02-02  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
15832
15833         * config/avr/avr.c (avr_option_override): Set
15834         PARAM_ALLOW_STORE_DATA_RACES to 1.
15835
15836 2016-02-02  Richard Biener  <rguenther@suse.de>
15837
15838         PR tree-optimization/69595
15839         * match.pd: Add range test simplifications to true/false.
15840
15841 2016-02-02  Thomas Schwinge  <thomas@codesourcery.com>
15842
15843         * omp-builtins.def (BUILT_IN_GOACC_HOST_DATA): Remove.
15844         * omp-low.c (expand_omp_target): Use BUILT_IN_GOACC_DATA_START
15845         instead.
15846
15847 2016-02-02  Richard Biener  <rguenther@suse.de>
15848
15849         PR tree-optimization/69606
15850         * tree-ssa-math-opts.c (bswap_replace): Clear flow sensitive
15851         info on the result before moving a stmt.
15852
15853 2016-02-02  Yuri Rumyantsev  <ysrumyan@gmail.com>
15854
15855         PR middle-end/68542
15856         * config/i386/i386.c (ix86_expand_branch): Add support for conditional
15857         branch with vector comparison.
15858         * config/i386/sse.md (VI48_AVX): New mode iterator.
15859         (define_expand "cbranch<mode>4): Add support for conditional branch
15860         with vector comparison.
15861         * tree-vect-loop.c (optimize_mask_stores): New function.
15862         * tree-vect-stmts.c (vectorizable_mask_load_store): Initialize
15863         has_mask_store field of vect_info.
15864         * tree-vectorizer.c (vectorize_loops): Invoke optimaze_mask_stores for
15865         vectorized loops having masked stores after vec_info destroy.
15866         * tree-vectorizer.h (loop_vec_info): Add new has_mask_store field and
15867         correspondent macros.
15868         (optimize_mask_stores): Add prototype.
15869
15870 2016-02-02  Alan Modra  <amodra@gmail.com>
15871
15872         PR target/69548
15873         * config/rs6000/predicates.md (quad_int_reg_operand): Don't
15874         allow subregs.
15875
15876 2016-02-02  Alan Modra  <amodra@gmail.com>
15877
15878         PR target/68662
15879         * config/rs6000/rs6000.c (need_toc_init): New var, set it
15880         whenever toc_label_name used.
15881         (rs6000_file_start): Don't set up toc section here,
15882         (rs6000_output_function_epilogue): do so here instead,
15883         (rs6000_xcoff_file_start): and here.
15884         * config/rs6000/rs6000.md (load_toc_aix_si): Set need_toc_init.
15885         (load_toc_aix_di): Likewise.
15886
15887 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
15888
15889         PR rtl-optimization/69592
15890         * rtlanal.c (nonzero_bits_binary_arith_p): New inline function.
15891         (cached_nonzero_bits): Use it instead of ARITHMETIC_P.
15892         (num_sign_bit_copies_binary_arith_p): New inline function.
15893         (cached_num_sign_bit_copies): Use it instead of ARITHMETIC_P.
15894
15895 2016-02-01  Jeff Law  <law@redhat.com>
15896
15897         PR tree-optimization/69580
15898         * params.def (FSM_MAXIMUM_PHI_ARGUMENTS): New param.
15899         * tree-ssa-threadbackward.c
15900         (fsm_find_control_statement_thread_paths): Do not try to walk
15901         through large PHI nodes.
15902
15903 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
15904
15905         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return false
15906         when count is incremented above limit, don't analyze further
15907         insns afterwards.
15908
15909         * omp-low.c (oacc_parse_default_dims): Avoid
15910         -Wsign-compare warning, make sure value fits into int
15911         rather than just unsigned int.
15912
15913 2016-02-01  Bin Cheng  <bin.cheng@arm.com>
15914
15915         PR tree-optimization/67921
15916         * fold-const.c (split_tree): New parameters.  Convert pointer
15917         type variable part to proper type before negating.
15918         (fold_binary_loc): Pass new arguments to split_tree.
15919
15920 2016-02-01  Nathan Sidwell  <nathan@codesourcery.com>
15921
15922         * config/nvptx/nvptx.c (PTX_GANG_DEFAULT): New.
15923         (nvptx_goacc_validate_dims): Extend to handle global defaults.
15924         * target.def (OACC_VALIDATE_DIMS): Extend documentation.
15925         * doc/tm.texti: Rebuilt.
15926         * doc/invoke.texi (fopenacc-dim): Document.
15927         * lto-wrapper.c (merge_and_complain): Add OPT_fopenacc_dim_ case.
15928         (append_compiler_options): Likewise.
15929         * omp-low.c (oacc_default_dims, oacc_min_dims): New.
15930         (oacc_parse_default_dims): New.
15931         (oacc_validate_dims): Add USED arg.  Select non-unity default when
15932         possible.
15933         (oacc_loop_fixed_partitions): Return mask of used partitions.
15934         (oacc_loop_auto_partitions): Emit dump info.
15935         (oacc_loop_partition): Return mask of used partitions.
15936         (execute_oacc_device_lower): Parse default dimension arg.  Adjust
15937         loop partitioning and validation calls.
15938
15939 2016-02-01  Richard Biener  <rguenther@suse.de>
15940
15941         PR middle-end/69556
15942         * match.pd: Guard (C1/X)*C2 -> (C1*C2)/X with single_use.
15943
15944 2016-02-01  Richard Biener  <rguenther@suse.de>
15945
15946         PR tree-optimization/69574
15947         * tree-chrec.c (hide_evolution_in_other_loops_than_loop): Instead
15948         of asserting return chrec_dont_know.
15949
15950 2016-02-01  Martin Liska  <mliska@suse.cz>
15951
15952         * mem-stats-traits.h: Add copyright header.
15953         * mem-stats.h: Likewise.
15954
15955 2016-02-01  Richard Biener  <rguenther@suse.de>
15956
15957         PR tree-optimization/69579
15958         * tree-ssa-loop-ivcanon.c (propagate_constants_for_unrolling):
15959         Do not propagate through abnormal PHI results.
15960
15961 2016-02-01  Eric Botcazou  <ebotcazou@adacore.com>
15962
15963         * postreload.c (reload_cse_simplify): Remove dead code.
15964
15965 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
15966
15967         PR rtl-optimization/69570
15968         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return true only
15969         if there is more than one set, not if there is a single set.
15970
15971 2016-02-01  Richard Henderson  <rth@redhat.com>
15972
15973         PR rtl-opt/69535
15974         * combine.c (make_compound_operation): When looking through a
15975         subreg, make sure to re-extend to the width of the outer mode.
15976
15977 2016-01-30  Jakub Jelinek  <jakub@redhat.com>
15978
15979         PR tree-optimization/69546
15980         * wide-int.cc (wi::divmod_internal): For unsigned division
15981         where both operands fit into uhwi, if o1 is 1 and o0 has
15982         msb set, if divident_prec is larger than bits per hwi,
15983         clear another quotient word and return 2 instead of 1.
15984         Similarly for remainder with msb in HWI set, if dividend_prec
15985         is larger than bits per hwi.
15986
15987 2016-01-29  Martin Jambor  <mjambor@suse.cz>
15988
15989         * hsa-gen.c (get_memory_order_name): Mask with MEMMODEL_BASE_MASK.
15990         Use short lowercase names.
15991         (get_memory_order): Mask with MEMMODEL_BASE_MASK.  Support
15992         MEMMODEL_CONSUME with acquire semantics and MEMMODEL_SEQ_CST with
15993         acq_rel one.  Protect warning agains segfaults if
15994         get_memory_order_name returns NULL.
15995         (gen_hsa_ternary_atomic_for_builtin): Support with MEMMODEL_SEQ_CST
15996         with release semantics.  Do not warn if get_memory_order already did.
15997         (gen_hsa_insns_for_call): Support with MEMMODEL_SEQ_CST with acquire
15998         semantics.  Fix check for relaxed or acquire semantics.  Do not warn
15999         if get_memory_order already did.
16000
16001 2016-01-29  Sebastian Pop  <s.pop@samsung.com>
16002
16003         * doc/install.texi: Document that isl-0.16 is supported.
16004
16005 2016-01-29  Vladimir Makarov  <vmakarov@redhat.com>
16006
16007         PR target/69299
16008         * config/i386/constraints.md (Bm): Describe as special memory
16009         constraint.
16010         * doc/md.texi (DEFINE_SPECIAL_MEMORY_CONSTRAINT): Describe it.
16011         * genoutput.c (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
16012         * genpreds.c (struct constraint_data): Add is_special_memory.
16013         (have_special_memory_constraints, special_memory_start): New
16014         static vars.
16015         (special_memory_end): Ditto.
16016         (add_constraint): Add new arg is_special_memory.  Add code to
16017         process its true value.  Update have_special_memory_constraints.
16018         (process_define_constraint): Pass the new arg.
16019         (process_define_register_constraint): Ditto.
16020         (choose_enum_order): Process special memory.
16021         (write_tm_preds_h): Generate enum const CT_SPECIAL_MEMORY and
16022         function insn_extra_special_memory_constraint.
16023         (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
16024         * gensupport.c (process_rtx): Process
16025         DEFINE_SPECIAL_MEMORY_CONSTRAINT.
16026         * ira-costs.c (record_reg_classes): Process CT_SPECIAL_MEMORY.
16027         * ira-lives.c (single_reg_class): Use
16028         insn_extra_special_memory_constraint.
16029         * ira.c (ira_setup_alts): Process CT_SPECIAL_MEMORY.
16030         * lra-constraints.c (process_alt_operands): Ditto.
16031         (curr_insn_transform): Use insn_extra_special_memory_constraint.
16032         * recog.c (asm_operand_ok, preprocess_constraints): Process
16033         CT_SPECIAL_MEMORY.
16034         * reload.c (find_reloads): Ditto.
16035         * rtl.def (DEFINE_SPECIFAL_MEMORY_CONSTRAINT): New.
16036         * stmt.c (parse_input_constraint): Use
16037         insn_extra_special_memory_constraint.
16038
16039 2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>
16040
16041         PR target/69530
16042         * lra-splill.c (lra_final_code_change): Revert r229087 by
16043         removing all sub-registers.
16044
16045 2016-01-29  Steve Ellcey  <sellcey@imgtec.com>
16046
16047         PR target/65604
16048         * config/mips/mips.c (mips_output_division): Check flag_delayed_branch.
16049
16050 2016-01-29  Jakub Jelinek  <jakub@redhat.com>
16051
16052         PR target/69551
16053         * config/i386/i386.c (ix86_expand_vector_set) <case V4SImode>: For
16054         SSE1, copy target into the temporary reg first before recursing
16055         on it.
16056
16057 2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>
16058
16059         * config/i386/sse.md (sse2_cvtps2pd<mask_name>): Replace vBm
16060         with vm.
16061
16062 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
16063
16064         * ginclude/stdarg.h: Test __cplusplus instead of
16065         __GXX_EXPERIMENTAL_CXX0X__.
16066
16067 2016-01-29  Richard Biener  <rguenther@suse.de>
16068
16069         PR tree-optimization/69547
16070         * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
16071         Do not mark clobbers necessary.
16072         (mark_all_reaching_defs_necessary_1): Likewise.
16073
16074 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
16075
16076         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Format
16077         declaration name with %qs and print it in both error messages.
16078         Also fix indentation.
16079
16080 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
16081
16082         PR other/69006
16083         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Remove
16084         trailing blank line from error message.
16085
16086 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
16087
16088         PR c++/69462
16089         * ginclude/float.h: Also provide FLT_EVAL_METHOD and DECIMAL_DIG
16090         for C++-11.
16091
16092 2016-01-29  Richard Biener  <rguenther@suse.de>
16093
16094         PR middle-end/69537
16095         * match.pd: Allow all integral types when simplifying a
16096         widening or sign-changing conversion.
16097
16098 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
16099
16100         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Revert assert
16101         back to setting codegen_error to fail codegen.
16102
16103 2016-01-28  Uros Bizjak  <ubizjak@gmail.com>
16104
16105         PR target/69459
16106         * config/i386/constraints.md (C): Only accept constant zero operand.
16107         (BC): New constraint.
16108         * config/i386/sse.md (*mov<mode>_internal): Use BC constraint
16109         instead of C constraint.
16110         * doc/md.texi (Machine Constraints): Update description
16111         of C constraint.
16112
16113 2016-01-28  Steve Ellcey  <sellcey@imgtec.com>
16114
16115         PR target/68400
16116         * config/mips/mips.c (and_operands_ok): Add MIPS16 check.
16117
16118 2016-01-28  Jakub Jelinek  <jakub@redhat.com>
16119
16120         PR middle-end/69542
16121         * lra-remat.c (calculate_local_reg_remat_bb_data): Only consider
16122         non-debug insns.
16123
16124 2016-01-28  Pat Haugen  <pthaugen@us.ibm.com>
16125
16126         * config/rs6000/rs6000.c (output_cbranch): Don't statically predict
16127         branches if using guessed profile.
16128
16129 2016-01-28  H.J. Lu  <hongjiu.lu@intel.com>
16130
16131         * graphite-optimize-isl.c (optimize_isl): Fix dump.
16132
16133 2016-01-28  Richard Henderson  <rth@redhat.com>
16134
16135         PR target/69305
16136         * config/aarch64/aarch64-modes.def (CC_Cmode): New
16137         * config/aarch64/aarch64-protos.h: Update.
16138         * config/aarch64/aarch64.c (aarch64_zero_extend_const_eq): New.
16139         (aarch64_select_cc_mode): Add check for use of CC_Cmode.
16140         (aarch64_get_condition_code_1): Handle CC_Cmode.
16141         * config/aarch64/aarch64.md (addti3): Use adddi3_compareC.
16142         (*add<mode>3_compareC_cconly_imm): New.
16143         (*add<mode>3_compareC_cconly): New.
16144         (*add<mode>3_compareC_imm): New.
16145         (add<mode>3_compareC): New.
16146         (add<mode>3_carryin, *addsi3_carryin_uxtw): Sort compare operand
16147         to be first.  Use aarch64_carry_operation.
16148         (*add<mode>3_carryin_alt1, *addsi3_carryin_alt1_uxtw): Remove.
16149         (*add<mode>3_carryin_alt2, *addsi3_carryin_alt2_uxtw): Remove.
16150         (*add<mode>3_carryin_alt3, *addsi3_carryin_alt3_uxtw): Remove.
16151         (subti3): Use subdi3_compare1.
16152         (*sub<mode>3_compare0): Rename from sub<mode>3_compare0.
16153         (sub<mode>3_compare1): New.
16154         (*sub<mode>3_carryin0, *subsi3_carryin_uxtw): New.
16155         (*sub<mode>3_carryin): Use aarch64_borrow_operation.
16156         (*subsi3_carryin_uxtw): Likewise.
16157         (*ngc<mode>, *ngcsi_uxtw): Likewise.
16158         (*sub<mode>3_carryin_alt, *subsi3_carryin_alt_uxtw): New.
16159         * config/aarch64/iterators.md (DWI): New.
16160         * config/aarch64/predicates.md (aarch64_carry_operation): New.
16161         (aarch64_borrow_operation): New.
16162
16163 2016-01-28  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
16164
16165         * graphite-optimize-isl.c (optimize_isl): Print a different debug
16166         message when isl does not return a valid schedule.
16167
16168 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
16169
16170         * graphite-isl-ast-to-gimple.c (class translate_isl_ast_to_gimple):
16171         Remove comments from class declarations: they are already in the code
16172         close by the defs.
16173
16174 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
16175
16176         * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Call
16177         codegen_error_p.
16178         (ternary_op_to_tree): Same.
16179         (unary_op_to_tree): Same.
16180         (nary_op_to_tree): Same.
16181         (gcc_expression_from_isl_expr_op): Same.
16182         (gcc_expression_from_isl_expression): Same.
16183         (graphite_create_new_loop): Same.
16184         (graphite_create_new_loop_guard): Same.
16185         (build_iv_mapping): Same.
16186         (graphite_create_new_guard): Same.
16187         (translate_isl_ast_to_gimple::copy_loop_phi_nodes): Same.
16188         (translate_isl_ast_to_gimple::translate_pending_phi_nodes): Same.
16189
16190 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
16191
16192         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Assert
16193         instead of setting codegen_error to fail codegen.
16194
16195 2016-01-28  Jason Merrill  <jason@redhat.com>
16196
16197         * tree.h (BINFO_FLAG_0): Rename from BINFO_MARKED.
16198
16199 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
16200
16201         * config/aarch64/aarch64.c (aarch64_if_then_else_costs):
16202         Remove CONST_INT_P check in CCMP cost calculation.
16203
16204 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
16205
16206         * config/aarch64/aarch64.c (generic_vector_cost):
16207         Set vec_permute_cost.
16208         (cortexa57_vector_cost): Likewise.
16209         (exynosm1_vector_cost): Likewise.
16210         (xgene1_vector_cost): Likewise.
16211         (aarch64_builtin_vectorization_cost): Use vec_permute_cost.
16212         * config/aarch64/aarch64-protos.h (cpu_vector_cost):
16213         Add vec_permute_cost entry.
16214
16215 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
16216
16217         * config/aarch64/aarch64.md (ccmp<mode>): Disassemble
16218         immediate as %1.
16219         (add<mode>3_compare0): Likewise.
16220         (addsi3_compare0_uxtw): Likewise.
16221         (add<mode>3nr_compare0): Likewise.
16222         (compare_neg<mode>): Likewise.
16223         (<optab><mode>3): Likewise.
16224
16225 2016-01-28  Ilya Enkovich  <enkovich.gnu@gmail.com>
16226
16227         * tree-vect-stmts.c (vectorizable_comparison): Add
16228         NULL check for vectype.
16229
16230 2016-01-28  Richard Biener  <rguenther@suse.de>
16231
16232         PR tree-optimization/69466
16233         * tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
16234         Account for PHIs we couldn't duplicate.
16235
16236 2016-01-28  Martin Liska  <mliska@suse.cz>
16237
16238         PR pch/68758
16239         * ggc-common.c (gt_pch_save): Use ENABLE_VALGRIND_ANNOTATIONS macro
16240         instead of ENABLE_VALGRIND_CHECKING.
16241
16242 2016-01-27  Richard Henderson  <rth@redhat.com>
16243
16244         PR rtl-opt/69447
16245         * lra-remat.c (subreg_regs): New.
16246         (dump_candidates_and_remat_bb_data): Dump it.
16247         (operand_to_remat): Reject if operand in subreg_regs.
16248         (set_bb_regs): Collect subreg_regs.
16249         (lra_remat): Init and free subreg_regs.  Compute
16250         calculate_local_reg_remat_bb_data before create_cands.
16251
16252 2016-01-27  H.J. Lu  <hongjiu.lu@intel.com>
16253
16254         PR target/68986
16255         * config/i386/i386.c (ix86_update_stack_boundary): Don't
16256         change stack_alignment_needed for __tls_get_addr call.
16257
16258 2016-01-27  Segher Boessenkool  <segher@kernel.crashing.org>
16259
16260         * config/rs6000/rs6000.c (print_operand): Rollback 's' removal.
16261
16262 2016-01-27  Jeff Law  <law@redhat.com>
16263
16264         PR tree-optimization/68398
16265         PR tree-optimization/69196
16266         * params.def (PARAM_FSM_SCALE_PATH_STMTS): New parameter.
16267         (PARAM_FSM_SCALE_PATH_BLOCKS): Likewise.
16268         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
16269         Only count PHIs in the last block in the path.  The others will
16270         const/copy propagate away.  Add heuristic to allow more irreducible
16271         subloops to be created when it is likely profitable to do so.
16272
16273         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
16274         Fix typo in comment.  Use gsi_after_labels and remove the GIMPLE_LABEL
16275         check from within the loop.  Use gsi_next_nondebug rather than gsi_next.
16276
16277 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
16278
16279         PR lto/69254
16280         * sanitizer.def: Add BEGIN_SANITIZER_BUILTINS and
16281         END_SANITIZER_BUILTINS markers using DEF_BUILTIN_STUB.
16282         * asan.c (DEF_BUILTIN_STUB): Temporarily define.
16283         * tree-streamer-in.c: Include asan.h.
16284         (streamer_get_builtin_tree): For builtins in sanitizer
16285         range call initialize_sanitizer_builtins and retry.
16286
16287 2016-01-27  Ian Lance Taylor  <iant@google.com>
16288
16289         * common.opt (fkeep-gc-roots-live): New undocumented option.
16290         * tree-ssa-loop-ivopts.c (add_candidate_1): If
16291         -fkeep-gc-roots-live, skip pointers.
16292         (add_iv_candidate_for_biv): Handle add_candidate_1 returning
16293         NULL.
16294
16295 2016-01-27  Uros Bizjak  <ubizjak@gmail.com>
16296
16297         PR target/69512
16298         * config/i386/i386.md (*zext<mode>_doubleword_and): New pattern.
16299         (*zext<mode>_doubleword): Disable for TARGET_ZERO_EXTEND_WITH_AND.
16300
16301 2016-01-27  Thomas Klausner  <wiz@NetBSD.org>
16302
16303         PR target/68380
16304         * configure.ac: NetBSD provides SSP in its C library.
16305         * configure: Updated.
16306
16307 2016-01-27  Richard Biener  <rguenther@suse.de>
16308
16309         PR tree-optimization/69166
16310         * tree-vect-loop.c (vect_is_simple_reduction): Always check
16311         reduction code for commutativity / associativity.
16312
16313 2016-01-27  Martin Jambor  <mjambor@suse.cz>
16314
16315         PR tree-optimization/69355
16316         * tree-sra.c (analyze_access_subtree): Correct hole detection when
16317         total_scalarization fails.
16318
16319 2016-01-27  David Edelsohn  <dje.gcc@gmail.com>
16320
16321         * config/rs6000/driver-rs6000.c (detect_processor_aix): Add
16322         power9.
16323
16324 2016-01-27  Christian Bruel  <christian.bruel@st.com>
16325
16326         PR target/69245
16327         * config/arm/arm-c.c (arm_pragma_target_parse): Add comments.
16328         Move arm_reset_previous_fndecl and set_target_option_current_node in
16329         the conditional part.  Call save_restore_target_globals.
16330         * config/arm/arm.c (arm_set_current_function):
16331         Refactor to better support #pragma target and attribute mix.
16332         Call save_restore_target_globals.
16333         * config/arm/arm-protos.h (save_restore_target_globals): New function.
16334
16335 2016-01-27  Martin Liska  <mliska@suse.cz>
16336
16337         * hsa.c (hsa_summary_t::link_functions): Create IPA_REF_ADDR
16338         reference for an HSA kernel and its host function.
16339
16340 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
16341
16342         PR tree-optimization/69399
16343         * wide-int.h (wi::lrshift): For larger precisions, only
16344         use fast path if shift is known to be < HOST_BITS_PER_WIDE_INT.
16345
16346 2016-01-27  Claudiu Zissulescu  <claziss@synopsys.com>
16347
16348         * config/arc/predicates.md (proper_comparison_operator): Reject
16349         constant-constant comparison.
16350
16351 2016-01-26  Tom de Vries  <tom@codesourcery.com>
16352
16353         PR tree-optimization/69110
16354         * tree-data-ref.c (initialize_data_dependence_relation): Handle
16355         DR_NUM_DIMENSIONS == 0.
16356
16357 2016-01-26  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
16358             Sebastian Pop  <s.pop@samsung.com>
16359
16360         * graphite-isl-ast-to-gimple.c (ternary_op_to_tree): Handle
16361         isl_ast_op_cond and isl_ast_op_select.
16362         (gcc_expression_from_isl_expr_op): Same.
16363
16364 2016-01-26  Jason Merrill  <jason@redhat.com>
16365
16366         PR c++/68782
16367         * tree.c (recompute_constructor_flags): Split out from
16368         build_constructor.
16369         (verify_constructor_flags): New.
16370         * tree.h: Declare them.
16371
16372 2016-01-26  Iain Buclaw  <ibuclaw@gdcproject.org>
16373
16374         PR rtl-optimization/69217
16375         * var-tracking.c (tracked_record_parameter_p): Don't segfault if there
16376         are no TYPE_FIELDS set for the record type.
16377
16378 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
16379
16380         PR target/68662
16381         * config/rs6000/rs6000.c (rs6000_option_override_internal): Initialize
16382         toc_label_name unconditionally.
16383         (rs6000_emit_load_toc_table): Call ggc_strdup on toc_label_name for
16384         SYMBOL_REF string.  Use toc_label_name instead of constructing
16385         LCTOC1.
16386         (rs6000_elf_declare_function_name): Use toc_label_name instead of
16387         constructing LCTOC1.
16388
16389 2016-01-26  Martin Sebor  <msebor@redhat.com>
16390
16391         PR other/69477
16392         * doc/extend.texi (Common Type Attributes): Move text that talks about
16393         attribute packed from attribute aligned to the section discussing
16394         the former attribute for clarity.
16395
16396 2016-01-26  Richard Henderson  <rth@redhat.com>
16397
16398         PR middle-end/60908
16399         * trans-mem.c (tm_region_init): Mark entry block as visited.
16400
16401 2016-01-26  David Malcolm  <dmalcolm@redhat.com>
16402
16403         PR other/69006
16404         * diagnostic-show-locus.c (layout::print_source_line): Replace
16405         call to pp_newline with call to layout::print_newline.
16406         (layout::print_annotation_line): Likewise.
16407         (layout::move_to_column): Likewise.
16408         (layout::print_any_fixits): After printing any fixits, print a
16409         trailing newline, if necessary.
16410         (layout::print_newline): New method, resetting any colorization
16411         before a newline.
16412         (diagnostic_show_locus): Move the pp_newline to before the
16413         early bailout.  Remove dummy block enclosing the layout instance.
16414         * diagnostic.c (default_diagnostic_finalizer): Replace invocation
16415         of pp_newline_and_flush with pp_flush.
16416         (diagnostic_append_note): Delete use of pp_newline.
16417         (diagnostic_append_note_at_rich_loc): Delete.
16418         * diagnostic.h (diagnostic_append_note_at_rich_loc): Delete.
16419         * pretty-print.h (output_buffer_append_r): Reset buff->line_length
16420         when newline characters are added to the buffer.
16421
16422 2016-01-26  Michael Matz  <matz@suse.de>
16423
16424         * configure.ac (ac_cv_std_swap_in_utility): New test.
16425         * system.h (<algorithm>): Check HAVE_SWAP_IN_UTILITY as well.
16426         * configure: Regenerate.
16427         * config.in: Regenerate.
16428
16429 2016-01-26  Claudiu Zissulescu  <claziss@synopsys.com>
16430
16431         * config/arc/arc.md (cstoresi4): Force operand into register.
16432         (arcset<code>): Fix predicate.
16433         (arcsetltu): Likewise.
16434         (arcsetgeu): Likewise.
16435         (arcsethi): Likewise.
16436         (arcsetls): Likewise.
16437
16438 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
16439
16440         PR tree-optimization/69483
16441         * gimple-fold.c (canonicalize_constructor_val): Return NULL
16442         if base has error_mark_node type.
16443
16444 2016-01-26  Christophe Lyon  <christophe.lyon@linaro.org>
16445
16446         PR target/68620
16447         * config/arm/arm.c (neon_valid_immediate): Handle FP16 vectors.
16448         * config/arm/arm_neon.h (__ARM_NUM_LANES, __arm_lane, arm_lanq):
16449         New helper macros.
16450         (vget_lane_f16): Handle big-endian.
16451         (vgetq_lane_f16): Likewise.
16452         (vset_lane_f16): Likewise.
16453         (vsetq_lane_f16): Likewise.
16454         * config/arm/iterators.md (VQXMOV): Add V8HF.
16455         (VDQ): Add V4HF and V8HF.
16456         (V_reg): Handle V4HF and V8HF.
16457         (Is_float_mode): Likewise.
16458         * config/arm/neon.md (movv4hf, movv8hf, neon_vdup_nv4hf,
16459         neon_vdup_nv8hf): New patterns.
16460         (vec_set<mode>_internal, vec_extract<mode>, neon_vld1_dup<mode>):
16461         Use VD_LANE iterator.
16462         (neon_vld1_dup<mode>): Use VQ2 iterator.
16463
16464 2016-01-26  Nathan Sidwell  <nathan@acm.org>
16465
16466         * omp-low.h (oacc_fn_attrib_kernels_p): Declare.
16467         (set_oacc_fn_attrib): Add IS_KERNEL arg.
16468         * omp-low.c (set_oacc_fn_attrib): Add IS_KERNEL arg.
16469         (oacc_fn_attrib_kernels_p, oacc_fn_attrib_level): New.
16470         (expand_omp_target): Pass is_kernel to set_oacc_fn_attrib.
16471         (oacc_validate_dims): Add LEVEL arg, don't return level.
16472         (new_oacc_loop_routine): Use oacc_fn_attrib_level, not
16473         oacc_validate_dims.
16474         (execute_oacc_device_lower): Adjust, add more dump output.
16475         * tree-ssa-loop.c (gate_oacc_kernels): Use
16476         oacc_fn_attrib_kernels_p.
16477         * tree-parloops.c (create_parallel_loop): Adjust
16478         set_oacc_fn_attrib call.
16479
16480 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
16481
16482         PR lto/69254
16483         * lto-wrapper.c (merge_and_complain): Handle -fcilkplus.
16484         (append_compiler_options): Handle -fcilkplus.
16485         (append_linker_options): Ignore -fno-{openmp,openacc,cilkplus}.
16486
16487 2016-01-26  Nick Clifton  <nickc@redhat.com>
16488
16489         PR target/66655
16490         * config/i386/winnt.c (i386_pe_binds_local_p): If a function has
16491         been marked as DECL_ONE_ONLY but we do not the means to make it
16492         so, then do not allow it to bind locally.
16493
16494 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
16495
16496         PR lto/69254
16497         * opts.h (parse_sanitizer_options): New prototype.
16498         * opts.c (sanitizer_opts): New array.
16499         (parse_sanitizer_options): New function.
16500         (common_handle_option): Use parse_sanitizer_options.
16501
16502 2016-01-26  H.J. Lu  <hongjiu.lu@intel.com>
16503
16504         PR target/68986
16505         * config/i386/i386.c (ix86_compute_frame_layout): Move stack
16506         alignment adjustment to ...
16507         (ix86_update_stack_boundary): Here.  Don't over-align stack for
16508         __tls_get_addr.
16509         (ix86_finalize_stack_realign_flags): Use stack_alignment_needed
16510         if __tls_get_addr is called.
16511
16512 2016-01-26  Christian Bruel  <christian.bruel@st.com>
16513
16514         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Remove.
16515
16516 2016-01-26  Eric Botcazou  <ebotcazou@adacore.com>
16517
16518         * config/ia64/ia64.c (ia64_expand_vecint_compare): Use gen_int_mode.
16519
16520 2016-01-26  Richard Biener  <rguenther@suse.de>
16521
16522         PR middle-end/69467
16523         * match.pd: Guard X * CST CMP 0 pattern with single_use.
16524
16525 2016-01-26  Richard Biener  <rguenther@suse.de>
16526
16527         PR tree-optimization/69452
16528         * tree-ssa-loop-im.c (move_computations_dom_walker): Remove.
16529         (move_computations_dom_walker::before_dom_children): Rename
16530         to ...
16531         (move_computations_worker): This.
16532         (move_computations): Perform an RPO rather than a DOM walk.
16533
16534 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
16535
16536         PR target/69442
16537         * combine.c (combine_instructions): For REG_EQUAL note with
16538         SET_DEST being ZERO_EXTRACT, also temporarily set SET_DEST
16539         to the underlying register.
16540         * doc/rtl.texi (REG_EQUAL): Document the behavior of
16541         REG_EQUAL/REG_EQUIV notes if SET_DEST is ZERO_EXTRACT.
16542
16543 2016-01-26  Roger Ferrer Ibáñez  <rofirrim@gmail.com>
16544
16545         PR target/67896
16546         * config/aarch64/aarch64-builtins.c
16547         (aarch64_init_simd_builtin_types): Do not set structural
16548         equality to __Poly{8,16,64,128}_t types.
16549
16550 2016-01-26  Richard Sandiford  <richard.sandiford@arm.com>
16551
16552         PR tree-optimization/69400
16553         * wide-int.cc (wi_pack): Take the precision as argument and
16554         perform canonicalization here rather than in the callers.
16555         Use the main loop to handle all full-width HWIs.  Add a
16556         zero HWI if in_len isn't a full result.
16557         (wi::divmod_internal): Update accordingly.
16558         (wi::mul_internal): Likewise.  Simplify.
16559
16560 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
16561             Sebastian Pop  <s.pop@samsung.com>
16562
16563         * graphite-poly.c (apply_poly_transforms): Simplify.
16564         (print_isl_set): Use more readable format: ISL_YAML_STYLE_BLOCK.
16565         (print_isl_map): Same.
16566         (print_isl_union_map): Same.
16567         (print_isl_schedule): New.
16568         (debug_isl_schedule): New.
16569         * graphite-dependences.c (scop_get_reads): Do not call
16570         isl_union_map_add_map that is undocumented isl functionality.
16571         (scop_get_must_writes): Same.
16572         (scop_get_may_writes): Same.
16573         (scop_get_original_schedule): Remove.
16574         (scop_get_dependences): Do not call isl_union_map_compute_flow that
16575         is deprecated in isl 0.15.  Instead, use isl_union_access_* interface.
16576         (compute_deps): Remove.
16577         * graphite-isl-ast-to-gimple.c (print_schedule_ast): New.
16578         (debug_schedule_ast): New.
16579         (translate_isl_ast_to_gimple::scop_to_isl_ast): Call
16580         set_separate_option.
16581         (graphite_regenerate_ast_isl): Add dump.
16582         (translate_isl_ast_to_gimple::scop_to_isl_ast): Generate code
16583         from scop->transformed_schedule.
16584         (graphite_regenerate_ast_isl): Add more dump.
16585         * graphite-optimize-isl.c (optimize_isl): Set
16586         scop->transformed_schedule.  Check whether schedules are equal.
16587         (apply_poly_transforms): Move here.
16588         * graphite-poly.c (apply_poly_transforms): ... from here.
16589         (free_poly_bb): Static.
16590         (free_scop): Static.
16591         (pbb_number_of_iterations_at_time): Remove.
16592         (print_isl_ast): New.
16593         (debug_isl_ast): New.
16594         (debug_scop_pbb): New.
16595         * graphite-scop-detection.c (print_edge): Move.
16596         (print_sese): Move.
16597         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Remove.
16598         (build_scop_scattering): Remove.
16599         (create_pw_aff_from_tree): Assert instead of bailing out.
16600         (add_condition_to_pbb): Remove unused code, do not fail.
16601         (add_conditions_to_domain): Same.
16602         (add_conditions_to_constraints): Remove.
16603         (build_scop_context): New.
16604         (add_iter_domain_dimension): New.
16605         (build_iteration_domains): Initialize pbb->iterators.
16606         Call add_conditions_to_domain.
16607         (nested_in): New.
16608         (loop_at): New.
16609         (index_outermost_in_loop): New.
16610         (index_pbb_in_loop): New.
16611         (outermost_pbb_in): New.
16612         (add_in_sequence): New.
16613         (add_outer_projection): New.
16614         (outer_projection_mupa): New.
16615         (add_loop_schedule): New.
16616         (build_schedule_pbb): New.
16617         (build_schedule_loop): New.
16618         (embed_in_surrounding_loops): New.
16619         (build_schedule_loop_nest): New.
16620         (build_original_schedule): New.
16621         (build_poly_scop): Call build_original_schedule.
16622         * graphite.h: Declare print_isl_schedule and debug_isl_schedule.
16623         (free_poly_dr): Remove.
16624         (struct poly_bb): Add iterators.  Remove schedule, transformed, saved.
16625         (free_poly_bb): Remove.
16626         (debug_loop_vec): Remove.
16627         (print_isl_ast): Declare.
16628         (debug_isl_ast): Declare.
16629         (scop_do_interchange): Remove.
16630         (scop_do_strip_mine): Remove.
16631         (scop_do_block): Remove.
16632         (flatten_all_loops): Remove.
16633         (optimize_isl): Remove.
16634         (pbb_number_of_iterations_at_time): Remove.
16635         (debug_scop_pbb): Declare.
16636         (print_schedule_ast): Declare.
16637         (debug_schedule_ast): Declare.
16638         (struct scop): Remove schedule.  Add original_schedule,
16639         transformed_schedule.
16640         (free_gimple_poly_bb): Remove.
16641         (print_generated_program): Remove.
16642         (debug_generated_program): Remove.
16643         (unify_scattering_dimensions): Remove.
16644         * sese.c (print_edge): ... here.
16645         (print_sese): ... here.
16646         (debug_edge): ... here.
16647         (debug_sese): ... here.
16648         * sese.h (print_edge): Declare.
16649         (print_sese): Declare.
16650         (dump_edge): Declare.
16651         (dump_sese): Declare.
16652
16653 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
16654             Sebastian Pop  <s.pop@samsung.com>
16655
16656         * Makefile.in: Set ISLVER in site.exp.
16657
16658 2016-01-25  Jakub Jelinek  <jakub@redhat.com>
16659
16660         * omp-low.c (lower_omp_target) <case USE_DEVICE_PTR>: Set
16661         DECL_VALUE_EXPR of new_var even for the non-array case.  Look
16662         through DECL_VALUE_EXPR for expansion.
16663
16664 2016-01-25  Bernd Edlinger  <bernd.edlinger@hotmail.de>
16665
16666         * config/mips/mips.c (mips_compute_frame_info): Skip re-computing
16667         the frame info after reload completed.
16668
16669 2016-01-25  Jeff Law  <law@redhat.com>
16670
16671         PR tree-optimization/69196
16672         PR tree-optimization/68398
16673         * tree-ssa-threadupdate.h (enum bb_dom_status): Moved here from
16674         tree-ssa-threadupdate.c.
16675         (determine_bb_domination_status): Prototype
16676         * tree-ssa-threadupdate.c (enum bb_dom_status): Remove
16677         (determine_bb_domination_status): No longer static.
16678         (valid_jump_thread_path): Remove code to detect characteristics
16679         of the jump thread path not associated with correctness.
16680         * tree-ssa-threadbackward.c (fsm_find_control_statment_thread_paths):
16681         Correct test for thread path length.  Count PHIs for real operands as
16682         statements that need to be copied.  Do not count ASSERT_EXPRs.
16683         Look at all the blocks in the thread path.  Compute and selectively
16684         filter thread paths based on threading through the latch, threading
16685         a multiway branch or crossing a multiway branch.
16686
16687 2016-01-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
16688
16689         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled):  Add
16690         decl with __attribute__ ((unused)) annotation.
16691
16692 2016-01-25  Ilya Enkovich  <enkovich.gnu@gmail.com>
16693
16694         PR target/69421
16695         * tree-vect-stmts.c (vectorizable_condition): Check vectype
16696         of operands is compatible with a statement vectype.
16697
16698 2016-01-25  Eric Botcazou  <ebotcazou@adacore.com>
16699
16700         * doc/extend.texi (scalar_storage_order type attribute): Fix typo and
16701         improve wording for mixed storage order support.
16702
16703 2016-01-25  Bilyan Borisov  <bilyan.borisov@arm.com>
16704
16705         * config/aarch64/arm_neon.h (vcvt_s64_f64): New intrinsic.
16706         (vcvt_u64_f64): Likewise.
16707         (vcvta_s64_f64): Likewise.
16708         (vcvta_u64_f64): Likewise.
16709         (vcvtm_s64_f64): Likewise.
16710         (vcvtm_u64_f64): Likewise.
16711         (vcvtn_s64_f64): Likewise.
16712         (vcvtn_u64_f64): Likewise.
16713         (vcvtp_s64_f64): Likewise.
16714         (vcvtp_u64_f64): Likewise.
16715
16716 2016-01-25  Claudiu Zissulescu  <claziss@synopsys.com>
16717
16718         * config/arc/arc.c (TARGET_DWARF_REGISTER_SPAN): Define.
16719         (arc_init): Check validity mll64 option.
16720         (arc_save_restore): Use double load/store instruction.
16721         (arc_expand_movmem): Likewise.
16722         (arc_split_move): Don't split if we have double load/store
16723         instructions. Returns a boolean.
16724         (arc_process_double_reg_moves): Change function to return boolean
16725         instead of a sequence of instructions.
16726         (arc_dwarf_register_span): New function.
16727         * config/arc/arc-protos.h (arc_split_move): Change prototype.
16728         * config/arc/arc.h (TARGET_CPU_CPP_BUILTINS): Define __ARC_LL64__.
16729         * config/arc/arc.md (*movdi_insn): Emit ldd/std instructions.
16730         (*movdf_insn): Likewise.
16731         * config/arc/arc.opt (mll64): New option.
16732         * config/arc/predicates.md (even_register_operand): New predicate.
16733         * doc/invoke.texi (ARC Options): Add mll64 documentation.
16734
16735 2016-01-25  Richard Biener  <rguenther@suse.de>
16736
16737         PR lto/69393
16738         * dwarf2out.c (is_naming_typedef_decl): Not when DECL_NAMELESS.
16739         * tree-streamer-out.c (pack_ts_base_value_fields): Stream
16740         DECL_NAMELESS.
16741         * tree-streamer-in.c (unpack_ts_base_value_fields): Likewise.
16742
16743 2016-01-25  Richard Biener  <rguenther@suse.de>
16744
16745         PR tree-optimization/69376
16746         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add range_info_anti_range_p
16747         flag.
16748         (VN_INFO_ANTI_RANGE_P): New inline.
16749         (VN_INFO_RANGE_TYPE): Likewise.
16750         * tree-ssa-sccvn.c (set_ssa_val_to): Also record and copy
16751         SSA_NAME_ANTI_RANGE_P.
16752         (free_scc_vn): Restore SSA_NAME_ANTI_RANGE_P.
16753         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
16754         Properly query VN_INFO_RANGE_TYPE.
16755
16756 2016-01-25  Nick Clifton  <nickc@redhat.com>
16757
16758         PR target/66655
16759         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Remove definition.
16760
16761 2016-01-23  Tom de Vries  <tom@codesourcery.com>
16762
16763         PR tree-optimization/69426
16764         * tree-parloops.c (eliminate_local_variables_stmt): Handle vdef of
16765         removed clobber.
16766
16767 2016-01-23  Jakub Jelinek  <jakub@redhat.com>
16768
16769         * tree-ssanames.c (release_free_names_and_compact_live_names): Replace
16770         "the the" with "the" in the comments.
16771         * ipa-devirt.c (build_type_inheritance_graph,
16772         update_type_inheritance_graph): Likewise.
16773         * tree.c (build_function_type_list_1): Likewise.
16774         * cfgloopmanip.c (scale_loop_profile): Likewise.
16775         * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Likewise.
16776         * gimple-ssa-split-paths.c
16777         (find_block_to_duplicate_for_splitting_paths): Likewise.
16778         * tree-sra.c (init_subtree_with_zero, clobber_subtree): Likewise.
16779         * expr.c (convert_move): Likewise.
16780         * var-tracking.c (vt_stack_adjustments): Likewise.
16781         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
16782         * tree-vrp.c (test_for_singularity): Likewise.
16783
16784         * tree-vect-stmts.c (vectorizable_condition): Build a VEC_COND_EXPR
16785         directly instead of building a temporary tree.
16786
16787         PR bootstrap/69434
16788         * genrecog.c: Define INCLUDE_ALGORITHM before including system.h,
16789         remove <algorithm> include.
16790
16791 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
16792
16793         PR target/69432
16794         * config/i386/i386.c: Include dojump.h.
16795         (expand_small_movmem_or_setmem,
16796         expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Spelling
16797         fixes.
16798         (ix86_expand_set_or_movmem): Call do_pending_stack_adjust () early
16799         if dynamic_check != -1.
16800
16801 2016-01-21  Jeff Law  <law@redhat.com>
16802
16803         PR middle-end/69347
16804         * tree-ssa-dom.c (back_propagate_equivalences): Factored out of
16805         record_temporary_equivalences.  Rewritten to avoid unnecessary calls
16806         into dominated_by_p.
16807         (cprop_into_successor_phis): Avoid unnecessary tests.
16808
16809 2016-01-22  Richard Henderson  <rth@redhat.com>
16810
16811         PR target/69416
16812         * config/aarch64/aarch64.md (UNSPEC_NZCV): New.
16813         (ccmp<mode>, fccmp<mode>, fccmpe<mode>): Use it.
16814
16815 2016-01-22  Michael Matz  <matz@suse.de>
16816
16817         * system.h (string, algorithm): Include only conditionally.
16818         (new): Include always under C++.
16819         * bb-reorder.c (toplevel): Define INCLUDE_ALGORITHM.
16820         * final.c (toplevel): Ditto.
16821         * ipa-chkp.c (toplevel): Define INCLUDE_STRING.
16822         * genconditions.c (write_header): Make gencondmd.c define
16823         INCLUDE_STRING.
16824         * mem-stats.h (mem_usage::print_dash_line): Don't use std::string.
16825
16826         * config/aarch64/aarch64.c (toplevel): Define INCLUDE_STRING.
16827         * common/config/aarch64/aarch64-common.c (toplevel): Ditto.
16828
16829 2016-01-22  Christian Bruel  <christian.bruel@st.com>
16830
16831         PR target/68674
16832         * expr.c (expand_expr_real_1): Reset DECL_MODE if VECTOR_TYPE_P changed.
16833
16834 2016-01-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
16835
16836         PR target/69403
16837         * config/arm/thumb2.md (*thumb2_ior_scc_strict_it): Convert to
16838         define_insn_and_split.  Ensure operands[1] and operands[0] do not
16839         get assigned the same register.
16840
16841 2016-01-22  Kugan Vivekanandarajah  <kuganv@linaro.org>
16842
16843         * ipa-prop.c (ipa_set_jf_constant): Remove redundant unshare_expr.
16844
16845 2016-01-22  Christian Bruel  <christian.bruel@st.com>
16846
16847         * config/arm/arm-c.c (arm_pragma_target_parse):
16848         Remove warn_builtin_macro_redefined overwrite.
16849
16850 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
16851
16852         * ipa-inline.c (can_inline_edge_p): Back out overzealous check on
16853         flag_non_call_exceptions compatibility.
16854
16855 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
16856
16857         PR debug/66668
16858         * dwarf2out.c (add_child_die_after): New function.
16859         (dwarf_qual_info_t): New type.
16860         (dwarf_qual_info): New variable.
16861         (qualified_die_p): New function.
16862         (modified_type_die): For -fdebug-types-section, ensure
16863         canonical order of qualifiers.  Put qualified DIEs adjacent
16864         to the corresponding non-qualified type DIE and search there
16865         for existing qualified DIEs.
16866
16867 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
16868
16869         * doc/extend.texi (scalar_storage_order type attribute): Document
16870         restriction on type punning and aliasing, and remove future tense.
16871
16872 2016-01-21  Roman Zhuykov  <zhroma@ispras.ru>
16873
16874         PR target/69252
16875         * modulo-sched.c (optimize_sc): Allow branch-scheduling to add a new
16876         first stage.
16877
16878 2016-01-21  Jeff Law  <law@redhat.com>
16879
16880         PR middle-end/69347
16881         * tree-ssa-dom.c (dom_opt_dom_walker::thread_across_edge): Avoid
16882         useless call to record_temporary_equivalences.
16883         * tree-ssa-threadbackward.c (find_jump_threads_backwards): Just
16884         allocate 10 slots in the bb_path vector and let it grow as needed.
16885         (fsm_find_control_statement_thread_paths): Similarly for the next_path
16886         vector.
16887
16888 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
16889
16890         * configure.ac (gcc_cv_as_powerpc_mfcrf, gcc_cv_as_machine_directive):
16891         Detangle.
16892         * configure: Regenerate.
16893
16894 2016-01-21  Pat Haugen  <pthaugen@us.ibm.com>
16895
16896         * config/rs6000/aix71.h (ASM_CPU_SPEC): Add entry for Power9.
16897         * config/rs6000/driver-rs6000.c (struct asm_names): Likewise.
16898
16899 2016-01-21  Bernd Schmidt  <bschmidt@redhat.com>
16900
16901         PR middle-end/66178
16902         * expr.c (expand_expr_real_2) [PLUS_EXPR, MINUS_EXPR]: Don't
16903         drop EXPAND_INITIALIZER.
16904         * rtl.h (contains_symbolic_reference_p): Declare.
16905         * rtlanal.c (contains_symbolic_reference_p): New function.
16906         * simplify-rtx.c (simplify_binary_operation_1): Don't turn
16907         a subtraction into a NOT if symbolic constants are involved.
16908
16909 2016-01-21  Anton Blanchard  <anton@samba.org>
16910             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
16911
16912         PR target/63354
16913         * config/rs6000/linux64.h (TARGET_KEEP_LEAF_WHEN_PROFILED): New
16914         #define.
16915         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): New
16916         function.
16917
16918 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
16919
16920         * config/microblaze/microblaze.c
16921         (get_branch_target): New.
16922         (insert_wic_for_ilb_runout): New.
16923         (insert_wic): New.
16924         (microblaze_machine_dependent_reorg): New.
16925         (TARGET_MACHINE_DEPENDENT_REORG): Define macro.
16926         * config/microblaze/microblaze.md
16927         (UNSPEC_IPREFETCH): Define.
16928         (iprefetch): New pattern
16929         * config/microblaze/microblaze.opt
16930         (mxl-prefetch): New flag.
16931
16932 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
16933
16934         * config/microblaze/microblaze.h
16935         (FIXED_REGISTERS): Update in macro.
16936         (CALL_USED_REGISTERS): Update in macro.
16937
16938 2016-01-21  Yuri Rumyantsev  <ysrumyan@gmail.com>
16939
16940         PR rtl-optimization/68920
16941         * ifcvt.c (cond_move_process_if_block): Limit number of conditional
16942         moves.
16943
16944 2016-01-21  Vladimir Makarov  <vmakarov@redhat.com>
16945
16946         PR rtl-optimization/68990
16947         * lra-coalesce.c (lra_coalesce): Invalidate value for the result
16948         pseudo instead of inheritance ones.
16949
16950 2016-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
16951             Nick Clifton  <nickc@redhat.com>
16952
16953         PR target/69129
16954         PR target/69012
16955         * config/mips/mips.c (mips_compute_frame_info): Initialise
16956         args_size and hard_frame_pointer_offset fields of the frame
16957         structure before calling mips_global_pointer.
16958
16959 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
16960
16961         * configure.ac (gcc_cv_as_dwloc): Test support for debug frame section
16962         label reference.
16963         * configure: Regenerate.
16964
16965 2016-01-21  Richard Biener  <rguenther@suse.de>
16966
16967         * graphite-optimize-isl.c (get_schedule_map): Fix typo.
16968
16969 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
16970
16971         * config/s390/s390.c (s390_asm_declare_function_size): Add code
16972         to actually emit the .size directive.
16973
16974 2016-01-21   Stefan Sørensen  <stefan.sorensen@spectralink.com>
16975              Jakub Jelinek  <jakub@redhat.com>
16976
16977         PR target/69187
16978         PR target/65624
16979         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Increase
16980         args array size by one to avoid buffer overflow.
16981
16982 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
16983
16984         * config/s390/s390.md (pool_section_start): Use switch_to_section
16985         to select proper read-only data section instead of hardcoding
16986         .rodata.
16987         (pool_section_end): Use switch_to_section to match the above.
16988
16989 2016-01-21  Richard Biener  <rguenther@suse.de>
16990
16991         PR tree-optimization/69378
16992         * tree-ssa-sccvn.c (dominated_by_p_w_unex): New function.
16993         (set_ssa_val_to): Use it for dominance checks taking into
16994         account not executable edges.
16995
16996 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
16997
16998         PR c++/69355
16999         * tree-dfa.c (get_ref_base_and_extent): Use GET_MODE_BITSIZE (mode)
17000         for bitsize instead of GET_MODE_PRECISION (mode).
17001
17002 2016-01-20  Martin Sebor  <msebor@redhat.com>
17003
17004         PR c/52291
17005         * extend.texi (__sync Builtins): Clarify the semantics of
17006         __sync_fetch_and_OP built-ins on pointers.
17007         (__atomic Builtins): Same.
17008
17009 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
17010             Sebastian Pop  <s.pop@samsung.com>
17011
17012         * graphite-isl-ast-to-gimple.c (enum phi_node_kind): New.
17013         (class translate_isl_ast_to_gimple): Use phi_node_kind instead of bool.
17014         (is_valid_rename): Same.
17015         (translate_isl_ast_to_gimple::get_rename): Same.
17016         (translate_isl_ast_to_gimple::rename_all_uses): Same.
17017         (translate_isl_ast_to_gimple::rename_uses): Same.
17018         (get_new_name): Check for close_phi nodes.
17019         (copy_loop_phi_args): Use phi_node_kind.
17020         (translate_isl_ast_to_gimple::copy_loop_close_phi_args): Same.
17021         (translate_isl_ast_to_gimple::copy_cond_phi_args): Same.
17022
17023 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
17024             Sebastian Pop  <s.pop@samsung.com>
17025
17026         Revert commit r229783.
17027         * graphite-isl-ast-to-gimple.c (gcc_expression_from_isl_ast_expr_id):
17028         Remove use of parameter_rename_map.
17029         (copy_def): Remove.
17030         (copy_internal_parameters): Remove.
17031         (graphite_regenerate_ast_isl): Remove call to copy_internal_parameters.
17032         * sese.c (new_sese_info): Do not initialize parameter_rename_map.
17033         (free_sese_info): Do not free parameter_rename_map.
17034         (set_rename): Do not use parameter_rename_map.
17035         (rename_uses): Update call to set_rename.
17036         (graphite_copy_stmts_from_block): Do not use parameter_rename_map.
17037         * sese.h (parameter_rename_map_t): Remove.
17038         (struct sese_info_t): Remove field parameter_rename_map.
17039
17040 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
17041             Sebastian Pop  <s.pop@samsung.com>
17042
17043         * graphite-isl-ast-to-gimple.c: Fix comment.
17044         * graphite-scop-detection.c (defined_in_loop_p): New.
17045         (canonicalize_loop_closed_ssa): Do not add close phi nodes for SSA
17046         names defined in loop.
17047
17048 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
17049             Sebastian Pop  <s.pop@samsung.com>
17050
17051         * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
17052         Discard unstructured if-then-else regions.
17053
17054 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
17055             Sebastian Pop  <s.pop@samsung.com>
17056
17057         * graphite-sese-to-poly.c (set_scop_parameter_dim): Remove.
17058         (cleanup_loop_iter_dom): Remove.
17059         (build_loop_iteration_domains): Remove.
17060         (build_scop_context): Remove.
17061         (build_scop_iteration_domain): Remove.
17062         (add_loop_constraints): New.
17063         (build_iteration_domains): New.
17064         (build_poly_scop): Call build_iteration_domains.
17065
17066 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
17067             Sebastian Pop  <s.pop@samsung.com>
17068
17069         * graphite-scop-detection.c
17070         (scop_detection::harmful_loop_in_region): Free dom and loops.
17071         (scop_detection::loop_body_is_valid_scop): Free bbs.
17072
17073 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
17074             Sebastian Pop  <s.pop@samsung.com>
17075
17076         * graphite-scop-detection.c (record_loop_in_sese): New.
17077         (gather_bbs::before_dom_children): Call record_loop_in_sese.
17078         (build_scops): Remove call to build_sese_loop_nests.
17079         * sese.c (sese_record_loop): Remove.
17080         (build_sese_loop_nests): Remove.
17081         (new_sese_info): Remove region->loops.
17082         (free_sese_info): Same.
17083         * sese.h (sese_contains_loop): Same.
17084         (build_sese_loop_nests): Remove.
17085         (sese_contains_loop): Remove.
17086
17087 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
17088             Sebastian Pop  <s.pop@samsung.com>
17089
17090         * graphite-scop-detection.c (loop_is_valid_scop): Renamed
17091         loop_is_valid_in_scop.
17092         (scop_detection::harmful_stmt_in_region): Renamed
17093         harmful_loop_in_region.
17094         Call loop_is_valid_in_scop.
17095
17096 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
17097             Sebastian Pop  <s.pop@samsung.com>
17098
17099         * graphite-isl-ast-to-gimple.c (translate_isl_ast): Also handle
17100         isl_ast_node_mark.
17101
17102 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
17103             Sebastian Pop  <s.pop@samsung.com>
17104
17105         * graphite-poly.c (new_poly_bb): Remove use of PBB_IS_REDUCTION.
17106         * graphite.h (struct poly_bb): Remove field is_reduction.
17107         (PBB_IS_REDUCTION): Remove.
17108
17109 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
17110             Sebastian Pop  <s.pop@samsung.com>
17111
17112         * graphite-dependences.c (constrain_domain): Add call to isl_*_coalesce.
17113         (add_pdr_constraints): Same.
17114         (scop_get_reads): Same.
17115         (scop_get_must_writes): Same.
17116         (scop_get_may_writes): Same.
17117         (scop_get_original_schedule): Same.
17118         (extend_schedule): Same.
17119         (apply_schedule_on_deps): Same.
17120         (carries_deps): Same.
17121         (compute_deps): Same.
17122         (scop_get_dependences): Same.
17123         * graphite-isl-ast-to-gimple.c
17124         (translate_isl_ast_to_gimple::generate_isl_schedule): Same.
17125         * graphite-optimize-isl.c (get_schedule_for_band): Same.
17126         (get_schedule_for_band_list): Same.
17127         (get_schedule_map): Same.
17128         (apply_schedule_map_to_scop): Same.
17129         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
17130         (build_loop_iteration_domains): Same.
17131         (add_condition_to_pbb): Same.
17132         (add_param_constraints): Same.
17133         (pdr_add_memory_accesses): Same.
17134         (pdr_add_data_dimensions): Same.
17135
17136 2016-01-20  Sandra Loosemore  <sandra@codesourcery.com>
17137
17138         * doc/invoke.texi (Instrumentation Options): Clarify -mmpx linking
17139         requirements.
17140
17141 2016-01-20  Sandra Loosemore  <sandra@codesourcery.com>
17142
17143         * common.opt (feliminate-dwarf2-dups): Replace references to
17144         "DWARF 2" with just "DWARF".
17145         * config/ia64/ia64.opt (mdwarf2-asm): Likewise.
17146         * doc/extend.texi: Likewise.
17147         * doc/cpp.texi: Likewise.
17148         * doc/invoke.texi: Likewise.
17149         (Option Summary): Add -gdwarf to list of Debugging Options.
17150         (Debugging Options): Document -gdwarf.
17151         * doc/contrib.texi: Spell "DWARF" like that.
17152
17153 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
17154
17155         * omp-low.c (expand_omp_target): Avoid -Wmaybe-uninitialized
17156         warning.  Fix up formatting.
17157
17158         PR middle-end/67653
17159         * gimplify.c (gimplify_asm_expr): Warn if it is too late to
17160         attempt to mark memory input operand addressable and
17161         call prepare_gimple_addressable in that case.  Don't adjust
17162         input_location for diagnostics, use error_at instead.
17163
17164 2016-01-20  Peter Bergner  <bergner@vnet.ibm.com>
17165
17166         * config/rs6000/ppc-auxv.h: New file.
17167         * config/rs6000/rs6000-builtin.def (cpu_init): Add new builtin.
17168         (cpu_is): Likewise.
17169         (cpu_supports): Likewise.
17170         * config/rs6000/rs6000.c: include "ppc-auxv.h".
17171         (cpu_is_info): New variable.
17172         (cpu_supports_info): Likewise.
17173         (tcb_verification_symbol): Likewise.
17174         (cpu_builtin_p): Likewise.
17175         (cpu_expand_builtin): New function.
17176         (rs6000_expand_ternop_builtin): Add support for CPU builtin functions.
17177         (rs6000_init_builtins): Likewise.
17178         (rs6000_elf_file_end): Emit HWCAP in TCB verification symbol.
17179         * config/rs6000/rs6000.h (TLS_REGNUM): New define.
17180         * configure.ac (gcc_cv_libc_provides_hwcap_in_tcb): New test.
17181         * configure: Regenerate.
17182         * config.in: Likewise.
17183         * doc/extend.texi (PowerPC Built-in Functions): Document
17184         __builtin_cpu_init, __builtin_cpu_is and __builtin_cpu_supports.
17185
17186 2016-01-20  David Edelsohn  <dje.gcc@gmail.com>
17187
17188         PR target/68609
17189         * config/rs6000/rs6000.c (rs6000_emit_swsqrt): Add vector sqrt
17190         domain check.
17191         * config/rs6000/vector.md (sqrt<mode>2): Call rs6000_emit_swsqrt
17192         for V4SFmode.
17193
17194 2016-01-20  Richard Henderson  <rth@redhat.com>
17195
17196         PR bootstrap/69343
17197         PR bootstrap/69339
17198         PR tree-opt/68964
17199         Revert:
17200         * tree.c (tm_define_builtin): New.
17201         (find_tm_vector_type): New.
17202         (build_tm_vector_builtins): New.
17203         (build_common_builtin_nodes): Call it.
17204
17205 2016-01-20  Christophe Lyon  <christophe.lyon@linaro.org>
17206
17207         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Document new entry.
17208         (arm_fp_ok): Likewise.
17209         (arm_fp): Likewise.
17210         (arm_crypto): Likewise.
17211
17212 2016-01-20  Ilya Enkovich  <enkovich.gnu@gmail.com>
17213             Richard Biener  <rguenther@suse.de>
17214
17215         PR tree-optimization/69328
17216         * tree-vect-stmts.c (vect_is_simple_cond): Check compared
17217         vectors have same number of elements.
17218         (vectorizable_condition): Fix masked version recognition.
17219
17220 2016-01-20  Richard Biener  <rguenther@suse.de>
17221
17222         PR tree-optimization/69345
17223         * tree-ssa-sccvn.h (VN_INFO_RANGE_INFO): New inline function.
17224         (VN_INFO_PTR_INFO): Likewise.
17225         * tree-ssa-sccvn.c (set_ssa_val_to): Avoid clearing points-to
17226         info when it is equal between non-dominating SSA names.
17227         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
17228         Make sure to look at original SSA infos.
17229
17230 2016-01-20  Jeff Law  <law@redhat.com>
17231
17232         PR target/25114
17233         * config/m68k/predicates.md (pow2_m1_operand): New predicate
17234         extracted from ...
17235         (reg_or_pow2_m1_operand): Call pow2_m1_operand.
17236         (pc_or_label_operand): New predicate.
17237         * config/m68k/m68k.md: Add new peephole2 patterns for GTU/LEU
17238         tests for small integers that are 2^n - 1.
17239
17240 2016-01-20  Jonathan Wakely  <jwakely@redhat.com>
17241
17242         * doc/invoke.texi (Options Summary): Add '.' after @xref.
17243
17244 2016-01-19  Jeff Law  <law@redhat.com>
17245
17246         PR middle-end/69347
17247         * tree-ssa-threadbackwards.c
17248         (fsm_find_control_statement_thread_paths): Do not try to lookup
17249         FSM paths for SSA_NAMEs appearing in abnormal PHIs.
17250
17251 2016-01-20  Kugan Vivekanandarajah  <kuganv@linaro.org>
17252
17253         * doc/lto.texi: Remove text that says only Gold has linker plugin
17254         support.
17255
17256 2016-01-19  Eric Botcazou  <ebotcazou@adacore.com>
17257
17258         * dwarf2out.c (need_endianity_attribute_p): New inline predicate.
17259         (base_type_die): Add REVERSE parameter and attach DW_AT_endianity to
17260         the DIE accordingly.
17261         (modified_type_die): Add REVERSE parameter and pass it recursively,
17262         as well as to base_type_die.  Adjust presence check accordingly.
17263         (base_type_for_mode): Adjust call to modified_type_die.
17264         (add_type_attribute): Add REVERSE parameter and pass it to
17265         modified_type_die.
17266         (generic_parameter_die): Adjust call to add_type_attribute.
17267         (add_scalar_info): Likewise.
17268         (add_subscript_info): Likewise.
17269         (gen_array_type_die): Likewise.
17270         (gen_descr_array_type_die): Likewise.
17271         (gen_entry_point_die): Likewise.
17272         (gen_enumeration_type_die): Likewise.
17273         (gen_formal_parameter_die): Likewise.
17274         (gen_subprogram_die): Likewise.
17275         (gen_variable_die ): Likewise.
17276         (gen_const_die): Likewise.
17277         (gen_field_die): Likewise.
17278         (gen_pointer_type_die): Likewise.
17279         (gen_reference_type_die): Likewise.
17280         (gen_ptr_to_mbr_type_die): Likewise.
17281         (gen_inheritance_die): Likewise.
17282         (gen_subroutine_type_die): Likewise.
17283         (gen_typedef_die): Likewise.
17284         (force_type_die): Adjust call to modified_type_die.
17285
17286 2016-01-19  Sandra Loosemore  <sandra@codesourcery.com>
17287
17288         * doc/standards.texi: Copy-editing for grammar, markup, and sentence
17289         flow throughout the file.  Fix broken link to Objective-C 2.0
17290         documentation.
17291         * doc/invoke.texi: More copy-editing; fix numerous typos and spelling
17292         errors.
17293
17294 2016-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
17295
17296         * ccmp.c (expand_ccmp_expr_1): Avoid spurious unused warnings.
17297
17298 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
17299
17300         PR ipa/66223
17301         * ipa-devirt.c (is_cxa_pure_virtual_p): New function.
17302         (maybe_record_node): Record cxa_pure_virtual as the only possible
17303         target if there are not ohter candidates.
17304         (possible_polymorphic_call_target_p): Accept cxa_pure_virtual.
17305
17306 2016-01-19  Richard Biener  <rguenther@suse.de>
17307
17308         * hsa-gen.c (get_memory_order_name): Use MEMMODEL_ constants.
17309         (get_memory_order): Likewise.
17310
17311 2016-01-19  Kirill Yukhin  <kirill.yukhin@intel.com>
17312
17313         * tree-vect-stmts.c (vectorizable_store): Check
17314         rhs vectype.
17315
17316 2016-01-19  David Malcolm  <dmalcolm@redhat.com>
17317
17318         PR jit/68446
17319         * gcc.c (driver::decode_argv): Add call to
17320         init_opts_obstack before init_options_struct.
17321         * opts.c (init_opts_obstack): Remove idempotency.
17322         (init_options_struct): Replace call to init_opts_obstack
17323         with a gcc_assert to verify that it has already been called.
17324         * toplev.c (toplev::main): Add call to init_opts_obstack before
17325         calls to init_options_struct.
17326         (toplev::finalize): Move cleanup of opts_obstack next to
17327         cleanup of save_decoded_options, clearing the latter, and
17328         save_decoded_options_count.
17329
17330 2016-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
17331
17332         PR target/69135
17333         * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Set "conds"
17334         attribute to unconditional.  Remove %? from output template.
17335
17336 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
17337             Jiong Wang  <jiong.wang@arm.com>
17338
17339         * ccmp.c (expand_ccmp_expr_1): Cost the instruction sequences
17340         generated from different expand order.
17341
17342 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
17343
17344         * /config/aarch64/aarch64.c (aarch64_if_then_else_costs):
17345         Add support for CCMP costing.
17346
17347 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
17348
17349         * ccmp.c (ccmp_candidate_p): Remove integer-only restriction.
17350         * config/aarch64/aarch64.md (fccmp<mode>): New pattern.
17351         (fccmpe<mode>): Likewise.
17352         (fcmp): Rename to fcmp and globalize pattern.
17353         (fcmpe): Likewise.
17354         * config/aarch64/aarch64.c (aarch64_gen_ccmp_first): Add FP support.
17355         (aarch64_gen_ccmp_next): Add FP support.
17356
17357 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
17358
17359         * target.def (gen_ccmp_first): Update documentation.
17360         (gen_ccmp_next): Likewise.
17361         * doc/tm.texi (gen_ccmp_first): Update documentation.
17362         (gen_ccmp_next): Likewise.
17363         * ccmp.c (expand_ccmp_expr): Extract cmp_code from return value of
17364         expand_ccmp_expr_1.  Improve comments.
17365         * config/aarch64/aarch64.md (ccmp_and): Use if_then_else for ccmp.
17366         (ccmp_ior<mode>): Remove pattern.
17367         (cmp<mode>): Remove expand.
17368         (cmp): Globalize pattern.
17369         (cstorecc4): Use cc_register.
17370         (mov<mode>cc): Remove ccmp_cc_register check.
17371         * config/aarch64/aarch64.c (aarch64_get_condition_code_1):
17372         Simplify after removal of CC_DNE/* modes.
17373         (aarch64_ccmp_mode_to_code): Remove.
17374         (aarch64_print_operand): Remove 'K' case.  Merge 'm' and 'M' cases.
17375         In 'k' case use integer as condition.
17376         (aarch64_nzcv_codes): Remove inverted cases.
17377         (aarch64_code_to_ccmode): Remove.
17378         (aarch64_gen_ccmp_first): Use cmp pattern directly.  Return the correct
17379         comparison with CC register to be used in folowing CCMP/branch/CSEL.
17380         (aarch64_gen_ccmp_next): Use previous comparison and mode in CCMP
17381         pattern.  Return the comparison with CC register.  Invert conditions
17382         when bitcode is OR.
17383         * config/aarch64/aarch64-modes.def: Remove CC_DNE/* modes.
17384         * config/aarch64/predicates.md (ccmp_cc_register): Remove.
17385
17386 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
17387
17388         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
17389         instrumented_version.
17390
17391 2016-01-19  Richard Biener  <rguenther@suse.de>
17392
17393         PR tree-optimization/69336
17394         * tree-ssa-scopedtables.c (avail_expr_hash): Handle all
17395         handled components with get_ref_base_and_extent.
17396         (equal_mem_array_ref_p): Adjust.
17397
17398 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
17399
17400         PR debug/65779
17401         * shrink-wrap.c: Include valtrack.h.
17402         (move_insn_for_shrink_wrap): Add DEBUG argument.  If
17403         MAY_HAVE_DEBUG_INSNS, call dead_debug_add on DEBUG_INSNs
17404         in between insn and where it will be moved to.  Call
17405         dead_debug_insert_temp.
17406         (prepare_shrink_wrap): Adjust caller.  Call dead_debug_local_init
17407         first and dead_debug_local_finish at the end.
17408         For uses and defs bitmap, handle all regs in between REGNO and
17409         END_REGNO, not just the first one.
17410
17411 2016-01-19  Richard Biener  <rguenther@suse.de>
17412
17413         PR tree-optimization/69352
17414         * tree-ssa-scopedtables.c (avail_expr_hash): Check for size == -1.
17415         (equal_mem_array_ref_p): Constrain size and max size properly.
17416         Compare the reverse flag.
17417
17418 2016-01-19  Bernd Schmidt  <bschmidt@redhat.com>
17419
17420         * ira.c (ira): Update regstat data if we deleted insns.
17421
17422 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
17423
17424         PR rtl-optimization/68955
17425         PR rtl-optimization/64557
17426         * dse.c (record_store, check_mem_read_rtx): Don't call get_addr
17427         here.  Fix up formatting.
17428         * alias.c (get_addr): Handle VALUE +/- CONST_SCALAR_INT_P.
17429
17430 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
17431
17432         PR lto/69133
17433         * cgraphunit.c (cgraph_node::expand_thunk): When forcing gimple
17434         assume that the node has body.
17435         * cgraph.c (cgraph_node::get_untransformed_body): Use gimple_body_p
17436         check.
17437
17438 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
17439
17440         * lto-streamer-out.c (lto_output): Do not stream instrumentation
17441         thunks.
17442
17443 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
17444
17445         * symtab.c (symtab_node::asm_name): Do not call printable name directly.
17446         (symtab_node::name): Report name as unnamed if DECL_NAME is not set.
17447
17448 2016-01-19  Martin Jambor  <mjambor@suse.cz>
17449             Martin Liska  <mliska@suse.cz>
17450             Michael Matz  <matz@suse.de>
17451
17452         * Makefile.in (OBJS): Add new source files.
17453         (GTFILES): Add hsa.c.
17454         * common.opt (disable_hsa): New variable.
17455         (-Whsa): New warning.
17456         * config.in (ENABLE_HSA): New.
17457         * configure.ac: Treat hsa differently from other accelerators.
17458         (OFFLOAD_TARGETS): Define ENABLE_OFFLOADING according to
17459         $enable_offloading.
17460         (ENABLE_HSA): Define ENABLE_HSA according to $enable_hsa.
17461         * doc/install.texi (Configuration): Document --with-hsa-runtime,
17462         --with-hsa-runtime-include, --with-hsa-runtime-lib and
17463         --with-hsa-kmt-lib.
17464         * doc/invoke.texi (-Whsa): Document.
17465         (hsa-gen-debug-stores): Likewise.
17466         * lto-wrapper.c (compile_images_for_offload_targets): Do not attempt
17467         to invoke offload compiler for hsa acclerator.
17468         * opts.c (common_handle_option): Determine whether HSA offloading
17469         should be performed.
17470         * params.def (PARAM_HSA_GEN_DEBUG_STORES): New parameter.
17471         * builtin-types.def (BT_FN_VOID_UINT_PTR_INT_PTR): New.
17472         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_INT_INT): Removed.
17473         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): New.
17474         * gimple-low.c (lower_stmt): Also handle GIMPLE_OMP_GRID_BODY.
17475         * gimple-pretty-print.c (dump_gimple_omp_for): Also handle
17476         GF_OMP_FOR_KIND_GRID_LOOP.
17477         (dump_gimple_omp_block): Also handle GIMPLE_OMP_GRID_BODY.
17478         (pp_gimple_stmt_1): Likewise.
17479         * gimple-walk.c (walk_gimple_stmt): Likewise.
17480         * gimple.c (gimple_build_omp_grid_body): New function.
17481         (gimple_copy): Also handle GIMPLE_OMP_GRID_BODY.
17482         * gimple.def (GIMPLE_OMP_GRID_BODY): New.
17483         * gimple.h (enum gf_mask): Added GF_OMP_PARALLEL_GRID_PHONY,
17484         GF_OMP_FOR_KIND_GRID_LOOP, GF_OMP_FOR_GRID_PHONY and
17485         GF_OMP_TEAMS_GRID_PHONY.
17486         (gimple_statement_omp_single_layout): Updated comments.
17487         (gimple_build_omp_grid_body): New function.
17488         (gimple_has_substatements): Also handle GIMPLE_OMP_GRID_BODY.
17489         (gimple_omp_for_grid_phony): New function.
17490         (gimple_omp_for_set_grid_phony): Likewise.
17491         (gimple_omp_parallel_grid_phony): Likewise.
17492         (gimple_omp_parallel_set_grid_phony): Likewise.
17493         (gimple_omp_teams_grid_phony): Likewise.
17494         (gimple_omp_teams_set_grid_phony): Likewise.
17495         (gimple_return_set_retbnd): Also handle GIMPLE_OMP_GRID_BODY.
17496         * omp-builtins.def (BUILT_IN_GOMP_OFFLOAD_REGISTER): New.
17497         (BUILT_IN_GOMP_OFFLOAD_UNREGISTER): Likewise.
17498         (BUILT_IN_GOMP_TARGET): Updated type.
17499         * omp-low.c: Include symbol-summary.h, hsa.h and params.h.
17500         (adjust_for_condition): New function.
17501         (get_omp_for_step_from_incr): Likewise.
17502         (extract_omp_for_data): Moved parts to adjust_for_condition and
17503         get_omp_for_step_from_incr.
17504         (build_outer_var_ref): Handle GIMPLE_OMP_GRID_BODY.
17505         (fixup_child_record_type): Bail out if receiver_decl is NULL.
17506         (scan_sharing_clauses): Handle OMP_CLAUSE__GRIDDIM_.
17507         (scan_omp_parallel): Do not create child functions for phony
17508         constructs.
17509         (check_omp_nesting_restrictions): Handle GIMPLE_OMP_GRID_BODY.
17510         (scan_omp_1_op): Checking assert we are not remapping to
17511         ERROR_MARK.  Also also handle GIMPLE_OMP_GRID_BODY.
17512         (parallel_needs_hsa_kernel_p): New function.
17513         (expand_parallel_call): Register apprpriate parallel child
17514         functions as HSA kernels.
17515         (grid_launch_attributes_trees): New type.
17516         (grid_attr_trees): New variable.
17517         (grid_create_kernel_launch_attr_types): New function.
17518         (grid_insert_store_range_dim): Likewise.
17519         (grid_get_kernel_launch_attributes): Likewise.
17520         (get_target_argument_identifier_1): Likewise.
17521         (get_target_argument_identifier): Likewise.
17522         (get_target_argument_value): Likewise.
17523         (push_target_argument_according_to_value): Likewise.
17524         (get_target_arguments): Likewise.
17525         (expand_omp_target): Call get_target_arguments instead of looking
17526         up for teams and thread limit.
17527         (grid_expand_omp_for_loop): New function.
17528         (grid_arg_decl_map): New type.
17529         (grid_remap_kernel_arg_accesses): New function.
17530         (grid_expand_target_kernel_body): New function.
17531         (expand_omp): Call it.
17532         (lower_omp_for): Do not emit phony constructs.
17533         (lower_omp_taskreg): Do not emit phony constructs but create for them
17534         a temporary variable receiver_decl.
17535         (lower_omp_taskreg): Do not emit phony constructs.
17536         (lower_omp_teams): Likewise.
17537         (lower_omp_grid_body): New function.
17538         (lower_omp_1): Call it.
17539         (grid_reg_assignment_to_local_var_p): New function.
17540         (grid_seq_only_contains_local_assignments): Likewise.
17541         (grid_find_single_omp_among_assignments_1): Likewise.
17542         (grid_find_single_omp_among_assignments): Likewise.
17543         (grid_find_ungridifiable_statement): Likewise.
17544         (grid_target_follows_gridifiable_pattern): Likewise.
17545         (grid_remap_prebody_decls): Likewise.
17546         (grid_copy_leading_local_assignments): Likewise.
17547         (grid_process_kernel_body_copy): Likewise.
17548         (grid_attempt_target_gridification): Likewise.
17549         (grid_gridify_all_targets_stmt): Likewise.
17550         (grid_gridify_all_targets): Likewise.
17551         (execute_lower_omp): Call grid_gridify_all_targets.
17552         (make_gimple_omp_edges): Handle GIMPLE_OMP_GRID_BODY.
17553         * tree-core.h (omp_clause_code): Added OMP_CLAUSE__GRIDDIM_.
17554         (tree_omp_clause): Added union field dimension.
17555         * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__GRIDDIM_.
17556         * tree.c (omp_clause_num_ops): Added number of arguments of
17557         OMP_CLAUSE__GRIDDIM_.
17558         (omp_clause_code_name): Added name of OMP_CLAUSE__GRIDDIM_.
17559         (walk_tree_1): Handle OMP_CLAUSE__GRIDDIM_.
17560         * tree.h (OMP_CLAUSE_GRIDDIM_DIMENSION): New.
17561         (OMP_CLAUSE_SET_GRIDDIM_DIMENSION): Likewise.
17562         (OMP_CLAUSE_GRIDDIM_SIZE): Likewise.
17563         (OMP_CLAUSE_GRIDDIM_GROUP): Likewise.
17564         * passes.def: Schedule pass_ipa_hsa and pass_gen_hsail.
17565         * tree-pass.h (make_pass_gen_hsail): Declare.
17566         (make_pass_ipa_hsa): Likewise.
17567         * ipa-hsa.c: New file.
17568         * lto-section-in.c (lto_section_name): Add hsa section name.
17569         * lto-streamer.h (lto_section_type): Add hsa section.
17570         * timevar.def (TV_IPA_HSA): New.
17571         * hsa-brig-format.h: New file.
17572         * hsa-brig.c: New file.
17573         * hsa-dump.c: Likewise.
17574         * hsa-gen.c: Likewise.
17575         * hsa.c: Likewise.
17576         * hsa.h: Likewise.
17577         * toplev.c (compile_file): Call hsa_output_brig.
17578         * hsa-regalloc.c: New file.
17579
17580 2016-01-18  Jeff Law  <law@redhat.com>
17581
17582         PR tree-optimization/69320
17583         * tree-ssa-dom.c (record_edge_info): For comparisons against a boolean
17584         ranged object, do nothing if the RHS constant is not [0..1].
17585         (optimize_stmt): Comparing a boolean ranged object against a
17586         constant outside [0..1] results in a compile-time constant.
17587
17588         * tree-ssanames.c (ssa_name_has_boolean_range): Remove unnecessary
17589         test.
17590
17591 2016-01-18  Sandra Loosemore  <sandra@codesourcery.com>
17592
17593         * doc/invoke.texi (Invoking GCC): Add new section to menu.
17594         (Option Summary): Update to reflect new section and moved options.
17595         (C++ Dialect Options): Move -fstats to new section.
17596         (Debugging Options): Move all dump, statistics, and other GCC
17597         developer options to new section.  Rewrite section introduction
17598         and re-order remaining options to put the more basic ones first.
17599         (Optimization Options): Move -fira-verbose and -flto-report* to
17600         new section.
17601         (Developer Options): New section incorporating moved options.
17602         * doc/cppopts.texi (-dM): Update cross-reference.
17603
17604 2016-01-18  Richard Henderson  <rth@redhat.com>
17605
17606         PR target/69176
17607         * config/aarch64/aarch64.md (add<GPI>3): Move long immediate
17608         operands to pseudo only if CSE is expected.  Split long immediate
17609         operands only after reload, and for the stack pointer.
17610         (*add<GPI>3_pluslong): Remove.
17611         (*addsi3_aarch64, *adddi3_aarch64): Merge into...
17612         (*add<GPI>3_aarch64): ... here.  Add r/rk/Upl alternative.
17613         (*addsi3_aarch64_uxtw): Add r/rk/Upl alternative.
17614         (*add<GPI>3 peepholes): New.
17615         (*add<GPI>3 splitters): New.
17616         * config/aarch64/constraints.md (Upl): New.
17617         * config/aarch64/predicates.md (aarch64_pluslong_strict_immedate): New.
17618
17619 2016-01-18  Richard Biener  <rguenther@suse.de>
17620
17621         PR tree-optimization/69297
17622         * tree-vect-slp.c (vect_bb_slp_scalar_cost): Count each scalar
17623         stmt at most once.
17624         (vect_bb_vectorization_profitable_p): Clear visited flag again.
17625
17626 2016-01-18  Yuri Rumyantsev  <ysrumyan@gmail.com>
17627
17628         PR middle-end/68542
17629         * fold-const.c (fold_binary_op_with_conditional_arg): Bail out for case
17630         of mixind vector and scalar types.
17631         (fold_relational_const): Add handling of vector
17632         comparison with boolean result.
17633         * tree-cfg.c (verify_gimple_comparison): Add argument CODE, allow
17634         comparison of vector operands with boolean result for EQ/NE only.
17635         (verify_gimple_assign_binary): Adjust call for verify_gimple_comparison.
17636         (verify_gimple_cond): Likewise.
17637         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): Modify check on
17638         valid type of VAL.
17639
17640 2016-01-18  Joseph Myers  <joseph@codesourcery.com>
17641
17642         * config/mips/mips.h (ISA_HAS_PAIRED_SINGLE): Require
17643         !TARGET_OCTEON.
17644
17645 2016-01-18  Richard Biener  <rguenther@suse.de>
17646
17647         PR middle-end/69308
17648         * gimple.c (gimple_could_trap_p_1): Handle GIMPLE_COND.
17649
17650 2016-01-18  Tom de Vries  <tom@codesourcery.com>
17651
17652         * passes.def: Add pass_parallelize_loops to pass_oacc_kernels.
17653
17654 2016-01-18  Tom de Vries  <tom@codesourcery.com>
17655
17656         * omp-low.c (set_oacc_fn_attrib): Make extern.
17657         * omp-low.h (set_oacc_fn_attrib): Declare.
17658         * tree-parloops.c (struct reduction_info): Add reduc_addr field.
17659         (create_call_for_reduction_1): Handle case that reduc_addr is non-NULL.
17660         (create_parallel_loop, gen_parallel_loop, try_create_reduction_list):
17661         Add and handle function parameter oacc_kernels_p.
17662         (find_reduc_addr, get_omp_data_i_param): New function.
17663         (ref_conflicts_with_region, oacc_entry_exit_ok_1)
17664         (oacc_entry_exit_single_gang, oacc_entry_exit_ok): New function.
17665         (parallelize_loops): Add and handle function parameter oacc_kernels_p.
17666         Calculate dominance info.  Skip loops that are not in a kernels region
17667         in oacc_kernels_p mode.  Skip inner loops of parallelized loops.
17668         (pass_parallelize_loops::execute): Call parallelize_loops with
17669         oacc_kernels_p argument.
17670         (pass_parallelize_loops::clone, pass_parallelize_loops::set_pass_param):
17671         New member function.
17672         (pass_parallelize_loops::bool oacc_kernels_p): New member var.
17673         * passes.def: Add argument to pass_parallelize_loops instantation.
17674
17675 2016-01-18  Tom de Vries  <tom@codesourcery.com>
17676
17677         * tree-parloops.c (pass_parallelize_loops::execute): Allow
17678         pass_parallelize_loops to be run outside the loop pipeline.
17679
17680 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
17681
17682         * tree-scalar-evolution.c (follow_copies_to_constant): New.
17683         (analyze_initial_condition, analyze_scalar_evolution_1): Call previous.
17684
17685 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
17686
17687         PR target/63679
17688         * tree-ssa-scopedtables.c (avail_expr_hash): Hash MEM_REF and ARRAY_REF
17689         using get_ref_base_and_extent.
17690         (equal_mem_array_ref_p): New.
17691         (hashable_expr_equal_p): Add call to previous.
17692
17693 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
17694
17695         PR target/63679
17696         * tree-sra.c (disqualified_constants, constant_decl_p): New.
17697         (sra_initialize): Allocate disqualified_constants.
17698         (sra_deinitialize): Free disqualified_constants.
17699         (disqualify_candidate): Update disqualified_constants when appropriate.
17700         (create_access): Scan for constant-pool entries as we go along.
17701         (scalarizable_type_p): Add check against type_contains_placeholder_p.
17702         (maybe_add_sra_candidate): Allow constant-pool entries.
17703         (load_assign_lhs_subreplacements): Bind debug for constant pool vars.
17704         (initialize_constant_pool_replacements): New.
17705         (sra_modify_assign): Avoid mangling assignments created by previous,
17706         and don't generate writes into constant pool.
17707         (sra_modify_function_body): Call initialize_constant_pool_replacements.
17708
17709 2016-01-18  Ilya Enkovich  <enkovich.gnu@gmail.com>
17710
17711         * config/i386/i386.c (scalar_to_vector_candidate_p): Support
17712         andnot instruction.
17713         (scalar_chain::convert_op): Likewise.
17714         * config/i386/i386.md (*andndi3_doubleword): New.
17715
17716 2016-01-18  Richard Biener  <rguenther@suse.de>
17717
17718         PR tree-optimization/69170
17719         * tree-vect-slp.c (vect_build_slp_tree): Verify we are not
17720         building a vector from scalar results of a pattern stmt.
17721
17722 2016-01-18  Jakub Jelinek  <jakub@redhat.com>
17723
17724         * haifa-sched.c (autopref_multipass_init): Work around
17725         -Wmaybe-uninitialized warning.
17726
17727 2016-01-18  Thomas Preud'homme  <thomas.preudhomme@arm.com>
17728
17729         * config/arm/arm.c (thumb1_reorg): Check that the comparison is
17730         against the constant 0.
17731
17732 2016-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
17733
17734         PR tree-optimization/68799
17735         * gimple-ssa-strength-reduction.c (create_phi_basis): Directly
17736         look up phi candidates in the statement-candidate map.
17737         (phi_add_costs): Likewise.
17738         (record_phi_increments): Likewise.
17739         (phi_incr_cost): Likewise.
17740         (ncd_with_phi): Likewise.
17741         (all_phi_incrs_profitable): Likewise.
17742
17743 2016-01-17  Jakub Jelinek  <jakub@redhat.com>
17744
17745         * omp-low.c (mark_loops_in_oacc_kernels_region): Work around
17746         -Wmaybe-uninitialized warning.
17747
17748 2016-01-16  Sandra Loosemore  <sandra@codesourcery.com>
17749
17750         * doc/invoke.texi (Invoking GCC): Add new section to menu.
17751         (Option Summary): Update to reflect new section and moved options.
17752         (C++ Dialect Options): Move -fvtable-verify and related options.
17753         (Debugging Options): Move Sanitizer, Pointer Bounds Checker,
17754         and profiling-related options.
17755         (Optimization Options): Move profile generation options and
17756         -fstack-protector and related options.
17757         (Instrumentation Options): New section incorporating moved options.
17758         (Code Generation Options): Move -finstrument-functions and
17759         related options, -fstack-check, -fstack-limit*, and -fbounds-check.
17760
17761 2016-01-16  Tom de Vries  <tom@codesourcery.com>
17762
17763         * passes.def: Move pass_expand_omp_ssa out of pass_parallelize_loops.
17764
17765 2016-01-16  Tom de Vries  <tom@codesourcery.com>
17766
17767         * omp-low.c (expand_omp_atomic_fetch_op):  Release defs of update stmt.
17768
17769 2016-01-16  Richard Sandiford  <richard.sandiford@arm.com>
17770
17771         * hash-table.h (hash_table::empty): Turn into an inline wrapper
17772         that checks whether the table is already empty.  Rename the
17773         original implementation to...
17774         (hash_table::empty_slot): ...this new private function.
17775
17776 2016-01-15  David Malcolm  <dmalcolm@redhat.com>
17777
17778         PR diagnostic/68899
17779         * diagnostic-show-locus.c (layout::print_source_line): Move x
17780         offset of line until after call to
17781         get_line_width_without_trailing_whitespace.
17782
17783 2016-01-15  Jeff Law  <law@redhat.com>
17784
17785         PR tree-optimization/69270
17786         * tree-ssanames.c (ssa_name_has_boolean_range): Moved here from
17787         tree-ssa-dom.c.  Improve test for [0..1] ranve from VRP.
17788         * tree-ssa-dom.c (ssa_name_has_boolean_range): Remove.
17789         * tree-ssanames.h (ssa_name_has_boolean_range): Prototype.
17790         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
17791         ssa_name_has_boolean_range and constant_boolean_node.
17792
17793 2016-01-15  Vladimir Makarov  <vmakarov@redhat.com>
17794
17795         PR rtl-optimization/69030
17796         * lra-spills.c (remove_pseudos): Check nrefs and make the function
17797         returning bool.
17798         (spill_pseudos): Delete debug insn for dead pseudo.
17799         (lra_spill): Initiate spill_hard_reg and slots memory separately.
17800
17801 2016-01-15  Jiong Wang  <jiong.wang@arm.com>
17802
17803         * config/aarch64/aarch64-builtins.c (aarch64_types_unopus_qualifiers):
17804         New.
17805         (TYPES_UNOPUS): Likewise.
17806         * config/aarch64/aarch64-simd-builtins.def (lbtruncuv2sf): Correct
17807         builtin type, from UNOP to UNOPUS.
17808         (lbtruncuv4sf): Likewise.
17809         (lbtruncuv2df): Likewise.
17810         (lrounduv2sf): Likewise.
17811         (lrounduv4sf): Likewise.
17812         (lrounduv2df): Likewise.
17813         (lroundusf): Likewise.
17814         (lroundusf): Likewise.
17815         (lceiluv2sf): Likewise.
17816         (lceiluv4sf): Likewise.
17817         (lceiluv2df): Likewise.
17818         (lceilusf): Likewise.
17819         (lceiludf): Likewise.
17820         (lflooruv2sf): Likewise.
17821         (lflooruv4sf): Likewise.
17822         (lflooruv2df): Likewise.
17823         (lfloorusf): Likewise.
17824         (lfloorudf): Likewise.
17825         (lfrintnuv2sf): Likewise.
17826         (lfrintnuv4sf): Likewise.
17827         (lfrintnuv2df): Likewise.
17828         (lfrintnusf): Likewise.
17829         (lfrintnudf): Likewise.
17830         * config/aarch64/arm_neon.h (vcvt_u32_f32): Remove unncessary type
17831         conversion.
17832         (vcvtq_u32_f32): Likewise.
17833         (vcvtq_u64_f64): Likewise.
17834         (vcvta_u32_f32): Likewise.
17835         (vcvtaq_u32_f32): Likewise.
17836         (vcvtaq_u64_f64): Likewise.
17837         (vcvtm_u32_f32): Likewise.
17838         (vcvtmq_u32_f32): Likewise.
17839         (vcvtmq_u64_f64): Likewise.
17840         (vcvtn_u32_f32): Likwise.
17841         (vcvtnq_u32_f32): Likewise.
17842         (vcvtnq_u64_f64): Likewise.
17843         (vcvtp_u32_f32): Likewise.
17844         (vcvtpq_u32_f32): Likewise.
17845         (vcvtpq_u64_f64): Likewise.
17846         (vcvtmd_u64_f64): Likewise.
17847         (vcvtms_u32_f32): Likewise.
17848         (vcvtad_u64_f64): Likewise.
17849         (vcvtas_u32_f32): Likewise.
17850         (vcvtnd_u64_f64): Likewise.
17851         (vcvtns_u32_f32): Likewise.
17852         (vcvtpd_u64_f64): Likewise.
17853         (vcvtps_u32_f32): Likewise.
17854
17855 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
17856
17857         * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Handle
17858         CSEL of zero_extended registers.
17859
17860 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
17861
17862         * config/aarch64/aarch64.c (aarch64_rtx_costs, COMPARE case):
17863         Handle COMPARE of ZERO_EXTRACT against zero form of TST-immediate.
17864
17865 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
17866
17867         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Return
17868         false when argument string is not found in the attributes table
17869         at all.
17870
17871 2016-01-15  David Edelsohn  <dje.gcc@gmail.com>
17872
17873         PR target/68609
17874         * config/rs6000/rs6000.c (rs6000_emit_msub): Delete.
17875         (rs6000_emit_swsqrt): Convert to Goldschmidt's Algorithm
17876         * config/rs6000/rs6000.md (sqrt<mode>2): Limit swsqrt to high
17877         precision estimate.
17878
17879 2016-01-15  Richard Biener  <rguenther@suse.de>
17880
17881         PR tree-optimization/66856
17882         * tree-vect-loop.c (vect_transform_loop): Free SLP instances here.
17883         * tree-vect-slp.c (vect_free_slp_tree): Decrement stmt reference count.
17884         (vect_create_new_slp_node): Increment stmt reference count.
17885         (vect_get_and_check_slp_defs): Make sure stmts are nor already in
17886         an SLP tree before swapping operands.
17887         (vect_build_slp_tree): Likewise.
17888         (destroy_bb_vec_info): Free stmt info after SLP instances.
17889         * tree-vect-stmts.c (new_stmt_vec_info): Initialize reference count.
17890         * tree-vectorizer.h (struct _stmt_vec_info): Add num_slp_uses field.
17891         (STMT_VINFO_NUM_SLP_USES): New macro.
17892
17893 2016-01-15  Richard Biener  <rguenther@suse.de>
17894
17895         PR debug/69137
17896         * dwarf2out.c (add_linkage_name_raw): New function split out from ...
17897         (add_linkage_name): ... here.
17898         (gen_typedef_die): Use add_linkage_name_raw instead of
17899         add_linkage_attr to delay DECL_ASSEMBLER_NAME computation
17900         if necessary.
17901
17902 2016-01-15  Cesar Philippidis  <cesar@codesourcery.com>
17903
17904         * gimplify.c (oacc_default_clause): Decode reference and pointer
17905         types for both kernels and parallel regions.
17906
17907 2016-01-15  Richard Sandiford  <richard.sandiford@arm.com>
17908
17909         PR middle-end/69246
17910         * calls.c (emit_call_1): Force n_popped to zero for sibcalls.
17911
17912 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
17913
17914         * config/i386/i386.c (scalar_chain::compute_convert_gain): Fix typo.
17915         (convert_scalars_to_vector): Likewise.
17916
17917 2016-01-15  Jonathan Wakely  <jwakely@redhat.com>
17918
17919         * doc/extend.texi (Type Traits): Fix grammar.
17920
17921 2016-01-15  Martin Jambor  <mjambor@suse.cz>
17922
17923         * tree-inline.c (remap_decl): Use existing dclarations if
17924         remapping a type and prevent_decl_creation_for_types.
17925         (replace_locals_stmt): Do an initial remapping of non-VLA typed
17926         decls first.  Do real remapping with
17927         prevent_decl_creation_for_types set.
17928         * tree-inline.h (copy_body_data): New field
17929         prevent_decl_creation_for_types, moved remap_var_for_cilk to avoid
17930         padding.
17931
17932 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
17933
17934         * config/s390/s390.opt (mmvcle): More verbose help text.
17935
17936 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
17937
17938         * config/s390/s390.opt: Add period to -mzvector option text.
17939
17940 2016-01-15  Richard Biener  <rguenther@suse.de>
17941
17942         PR tree-optimization/68961
17943         * tree-vect-slp.c (vect_analyze_slp_cost_1): Consider cost
17944         of invariants in stores again.
17945
17946 2016-01-15  Sebastian Huber  <sebastian.huber@embedded-brains.de>
17947
17948         * config/arm/t-rtems: Add cortex-m7/fpv5-d16 multilib.
17949
17950 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
17951
17952         * config/i386/i386.c (ix86_expand_branch): Don't split
17953         DI mode xor instruction to SI mode.
17954
17955 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
17956
17957         PR ipa/68148
17958         * ipa-icf.c (sem_function::merge): Virtual functions may become
17959         reachable even if they address is not taken and there are no
17960         idrect calls.
17961
17962 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
17963
17964         * lto-streamer-out.c (subtract_estimated_size): New function.
17965         (get_symbol_initial_value): Use it.
17966
17967 2016-01-15  Christian Bruel  <christian.bruel@st.com>
17968
17969         PR target/65837
17970         * config/arm/arm-builtins.c (ARM_BUILTIN_CRYPTO_BASE): New enum tag.
17971         (arm_init_neon_builtins_internal): Rename arm_init_neon_builtins,
17972         (arm_init_crypto_builtins_internal): Rename arm_init_crypto_builtins.
17973         use add_builtin_function_ext_scope instead of add_builtin_function.
17974         (neon_set_p, neon_crypto_set_p): Remove.
17975         (arm_init_builtins): Always call arm_init_neon_builtins and
17976         arm_init_crypto_builtins.
17977         (arm_expand_builtin): Check that builtins are allowed for the arch.
17978         * config/arm/arm-protos.h (arm_init_neon_builtins): Remove prototype.
17979         * config/arm/arm.c (arm_valid_target_attribute_tree): Remove
17980         arm_init_neon_builtins call.
17981
17982 2016-01-15  Richard Biener  <rguenther@suse.de>
17983
17984         PR tree-optimization/69117
17985         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add info member.
17986         * tree-ssa-sccvn.c (set_ssa_val_to): Save and adjust SSA name info
17987         of the leader conservatively.
17988         (free_scc_vn): Restore original SSA name infos.
17989
17990 2016-01-14  Jeff Law  <law@redhat.com>
17991
17992         PR tree-optimization/69270
17993         * tree-ssa-dom.c (ssa_name_has_boolean_range): If the type has a
17994         single bit of precision, verify it's also unsigned.
17995         (record_edge_info): Use constant_boolean_node rather than fold_convert
17996         to convert boolean_true/boolean_false to the right type.
17997
17998 2016-01-14  Richard Henderson  <rth@redhat.com>
17999
18000         PR rtl-opt/69014
18001         * loop-doloop.c (record_reg_sets): New.
18002         (doloop_optimize): Reject the transform if the sequence
18003         clobbers registers live at the end of the loop block.
18004         (doloop_optimize_loops): Enable df_live if needed.
18005
18006 2016-01-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
18007
18008         * config/rs6000/rs6000-builtin.def: Revert 2016-01-13 change.
18009         * config/rs6000/rs6000.c: Likewise.
18010         * config/rs6000/rs6000.h: Likewise.
18011         * config/rs6000/rs6000.md: Likewise.
18012         * doc/extend.texi: Likewsie.
18013
18014 2016-01-14  Jeff Law  <law@redhat.com>
18015
18016         * tree-ssa-dom.c (ssa_name_has_boolean_range): Fix comment
18017         typo.
18018
18019 2016-01-14  Richard Henderson  <rth@redhat.com>
18020
18021         PR c/69272
18022         PR tree-opt/68964
18023         * trans-mem.c (tm_log_emit_stmt): Fix unit size to bit size.
18024         * tree.c (build_tm_vector_builtins): Use builtin_decl_explicit_p
18025         instead of builtin_decl_declared_p to test for declaration.
18026
18027 2016-01-14  Nicklas Bo Jensen  <nbjensen@gmail.com>
18028
18029         * doc/loop.texi (Loop Analysis and Representation): Document
18030         loop_depth function.
18031
18032 2016-01-14  Tom de Vries  <tom@codesourcery.com>
18033
18034         PR tree-optimization/68773
18035         * omp-low.c (expand_omp_target): Don't set force_output.
18036         * varpool.c (varpool_node::get_create): Same.
18037         * lto-cgraph.c (input_offload_tables): Mark entries in offload_vars and
18038         offload_funcs with force_output.
18039
18040 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
18041
18042         PR debug/69244
18043         * lra-eliminations.c (move_plus_up): Don't change anything if either
18044         the outer or inner subreg mode is not MODE_INT.
18045         * dwarf2out.c (mem_loc_descriptor): For SUBREG, if outer mode is
18046         integral <= DWARF2_ADDR_SIZE, convert to untyped afterwards.
18047
18048 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
18049
18050         * doc/md.texi (reduc_smin_@var{m}, reduc_smax_@var{m},
18051         reduc_umin_@var{m}, reduc_umax_@var{m}, reduc_splus_@var{m},
18052         reduc_uplus_@var{m}): Remove.
18053         * expr.c (expand_expr_real_2): Remove expansion path for
18054         reduc_[us](min|max|plus) optabs.
18055         * optabs-tree.c (scalar_reduc_to_vector): Remove.
18056         * optabs-tree.h (scalar_reduc_to_vector): Remove.
18057         * optabs.def (reduc_smax_optab, reduc_smin_optab, reduc_splus_optab,
18058         reduc_umax_optab, reduc_umin_optab, reduc_uplus_optab): Remove.
18059         * tree-vect-loop.c (vectorizable_reduction): Remove test for
18060         reduc_[us](min|max|plus) optabs.
18061
18062 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
18063
18064         * config/mips/mips-ps-3d.md (reduc_splus_v2sf): Remove.
18065         (reduc_plus_scal_v2sf): New.
18066         (reduc_smax_v2sf): Rename to...
18067         (reduc_smax_scal_v2sf): ...here, make result SFmode, add vec_extract.
18068         (reduc_smin_v2sf): Rename to...
18069         (reduc_smin_scal_v2sf): ...here, make result SFmode, add vec_extract.
18070
18071 2016-01-14  Jan Hubicka  <hubicka@ucw.cz>
18072
18073         * alias.c (compare_base_symbol_refs): New function.
18074         (rtx_equal_for_memref_p, base_alias_check, memrefs_conflict_p): Use
18075         it.
18076
18077 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
18078
18079         PR middle-end/68146
18080         PR tree-optimization/69155
18081         * tree-complex.c: Include cfganal.h.
18082         (phis_to_revisit): New variable.
18083         (extract_component): Add phiarg_p argument.  Assert that returned
18084         SSA_NAME has non-NULL SSA_NAME_DEF_STMT unless phiarg_p is true.
18085         (update_phi_components): Partly rewrite to use loop over real/imag
18086         components instead of code duplication.  If extract_component returns
18087         SSA_NAME with NULL SSA_NAME_DEF_STMT, store SSA_NAME_VAR or
18088         create_tmp_reg into the PHI node instead, and mention the phi triplet
18089         in phis_to_revisit.
18090         (tree_lower_complex): Walk bbs in rpo order.  Adjust phis recorded
18091         in phis_to_revisit at the end.
18092
18093 2016-01-14  Richard Biener  <rguenther@suse.de>
18094
18095         PR tree-optimization/68060
18096         * tree-vect-loop.c (vect_is_simple_reduction): Check the
18097         outer loop reduction is only used in the inner loop before
18098         detecting a double reduction.
18099
18100 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
18101
18102         PR target/68269
18103         * combine.c (expand_field_assignment): Punt if compute_mode is
18104         unsupported scalar mode.
18105
18106 2016-01-14  Richard Biener  <rguenther@suse.de>
18107
18108         PR tree-optimization/66856
18109         * tree-vect-slp.c (vect_build_slp_tree): Refactor to build
18110         SLP node only if it built successfully.
18111         (vect_analyze_slp_instance): Adjust.
18112
18113 2016-01-14  Jeff Law  <law@redhat.com>
18114
18115         PR tree-optimization/69270
18116         * tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
18117         (record_edge_info): Use it.  Convert boolean_{true,false}_node
18118         to the type of op0.
18119
18120 2016-01-13  Jan Hubicka  <hubicka@ucw.cz>
18121
18122         PR ipa/66487
18123         * ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p):
18124         use block_ultimate_origin
18125         (noncall-stmt_may_be_vtbl_ptr_store): Likewise.
18126
18127 2016-01-13  Sandra Loosemore  <sandra@codesourcery.com>
18128
18129         * doc/invoke.texi (Submodel Options): Rename section to
18130         "Machine-Dependent Options" to better reflect its content.
18131         Rewrite introductory text to remove archaic CPU names.
18132         Update references.
18133
18134 2016-01-13  Sandra Loosemore  <sandra@codesourcery.com>
18135
18136         * doc/invoke.texi (Code Gen Options): Move section up in file,
18137         before target-specific options.  Update menu and option summary
18138         to reflect the new section ordering.
18139
18140 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
18141
18142         * doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
18143         (C++ Dialect Options): Add cross-reference to -std option.
18144         * doc/standards.texi (C++ Language): Document C++14 support.
18145
18146 2016-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
18147
18148         * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): Add support
18149         for pack/unpack functions for __ibm128.
18150         (PACK_IF): Likewise.
18151         (UNPACK_IF): Likewise.
18152
18153         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
18154         support for __ibm128 pack/unpack functions.
18155         (rs6000_invalid_builtin): Likewise.
18156         (rs6000_init_builtins): Likewise.
18157         (rs6000_opt_masks): Likewise.
18158
18159         * config/rs6000/rs6000.h (MASK_FLOAT128): Add short name.
18160         (RS6000_BTM_FLOAT128): Add support for __ibm128 pack/unpack
18161         functions
18162         (RS6000_BTM_COMMON): Likewise.
18163
18164         * config/rs6000/rs6000.md (f128_vsx): New mode attribute.
18165         (unpack<mode>): Use FMOVE128_FPR iterator instead of FMOVE128, to
18166         disallow __builtin_{pack,unpack}_longdouble if long double is IEEE
18167         128-bit floating point.  Add support for the double values to be
18168         in Altivec registers for TF/IF packing and unpacking, but restrict
18169         TD packing sub-fields to be FPR registers.  Don't allow overlapped
18170         register support for packing.  Allow pack inputs to be memory
18171         locations.  Don't build generator functions for unpack<mode>_dm
18172         and unpack<mode>_nodm.
18173         (unpack<mode>_dm): Likewise.
18174         (unpack<mode>_nodm): Likewise.
18175         (pack<mode>): Likewise.
18176
18177         * config/rs6000/rs6000-builtin.def (__builtin_pack_ibm128): Add
18178         built-in functions to pack/unpack explicit __ibm128 values.
18179         (__builtin_unpack_ibm128): Likewise.
18180
18181         * doc/extend.texi (PowerPC Built-in Functions): Document
18182         __builtin_pack_ibm128 and __builtin_unpack_ibm128.
18183
18184 2016-01-13  Bernd Schmidt  <bschmidt@redhat.com>
18185
18186         PR c/66208
18187         * c-common.c (check_function_nonnull): Remove unnecessary declaration.
18188         Add new arg loc and pass it down as context.
18189         (check_nonnull_arg): Don't mark ctx arg as unused. Use it as a pointer
18190         to the location to use for the warning.
18191         (check_function_arguments): New arg loc.  All callers changed.  Pass
18192         it to check_function_nonnull.
18193         * c-common.h (check_function_arguments): Adjust declaration.
18194
18195 2016-01-13  Jakub Jelinek  <jakub@redhat.com>
18196
18197         PR tree-optimization/69156
18198         * gimple.c (validate_type): Removed.
18199         (gimple_builtin_call_types_compatible_p): Use
18200         useless_type_conversion_p instead of validate_type.
18201         * value-prof.c (gimple_stringop_fixed_value): Fold
18202         icall_size to correct type.
18203
18204 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
18205
18206         * doc/extend.texi (__atomic Builtins): Clarify compare_exchange
18207         effects.
18208
18209 2016-01-13  Richard Henderson  <rth@redhat.com>
18210
18211         PR tree-opt/68964
18212         * target.def (builtin_tm_load, builtin_tm_store): Remove.
18213         * config/i386/i386.c (ix86_builtin_tm_load): Remove.
18214         (ix86_builtin_tm_store): Remove.
18215         (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
18216         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
18217         * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
18218         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
18219         * doc/tm.texi: Rebuild.
18220
18221         * gtm-builtins.def (BUILT_IN_TM_MEMCPY_RNWT): New.
18222         (BUILT_IN_TM_MEMCPY_RTWN): New.
18223         * trans-mem.c (tm_log_emit_stmt): Rearrange code for better
18224         fallback from vector to integer helpers.
18225         (build_tm_load): Handle vector types directly, instead of
18226         via target hook.
18227         (build_tm_store): Likewise.
18228         (expand_assign_tm): Prepare for register types not handled by
18229         the above.  Copy them to memory and use memcpy.
18230         * tree.c (tm_define_builtin): New.
18231         (find_tm_vector_type): New.
18232         (build_tm_vector_builtins): New.
18233         (build_common_builtin_nodes): Call it.
18234
18235 2016-01-13  Uros Bizjak  <ubizjak@gmail.com>
18236
18237         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Return -1 for
18238         TARGET_SSE_MATH without TARGET_SSE2.  Rewrite.
18239
18240 2016-01-13  Tom de Vries  <tom@codesourcery.com>
18241
18242         PR tree-optimization/69169
18243         * tree-ssa-structalias.c (create_variable_info_for_1): Add and handle
18244         handled_struct_type param.
18245         (create_variable_info_for, intra_create_variable_infos): Call
18246         create_variable_info_for_1 with extra arg.
18247
18248 2016-01-13  Yvan Roux  <yvan.roux@linaro.org>
18249
18250         * config/arm/arm-arches.def: Remove spurious whitespace in "armv8.1-a"
18251         and "armv8.1-a+crc" entries.
18252
18253 2016-01-13  Alexander Fomin  <alexander.fomin@intel.com>
18254
18255         PR target/69228
18256         * config/i386/sse.md (define_expand "avx512pf_gatherpf<mode>sf"):
18257         Change first operand predicate from register_or_constm1_operand
18258         to register_operand.
18259         (define_expand "avx512pf_gatherpf<mode>df"): Likewise.
18260         (define_expand "avx512pf_scatterpf<mode>sf"): Likewise.
18261         (define_expand "avx512pf_scatterpf<mode>df"): Likewise.
18262         (define_insn "*avx512pf_gatherpf<mode>sf"): Remove.
18263         (define_insn "*avx512pf_gatherpf<mode>df"): Likewise.
18264         (define_insn "*avx512pf_scatterpf<mode>sf"): Likewise.
18265         (define_insn "*avx512pf_scatterpf<mode>df"): Likewise.
18266         * config/i386/i386.c (ix86_expand_builtin): Remove first operand
18267         comparison with constm1_rtx from vec_prefetch_gen part.
18268
18269 2016-01-13  Richard Biener  <rguenther@suse.de>
18270
18271         PR tree-optimization/69013
18272         * tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths):
18273         Exchange assert for a test.
18274
18275 2016-01-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
18276
18277         PR target/69247
18278         * config/s390/s390.md (bswaphi splitter): Use simplify_gen_subreg.
18279
18280 2016-01-13  Richard Biener  <rguenther@suse.de>
18281
18282         PR tree-optimization/69242
18283         * tree-ssa-sccvn.c (visit_reference_op_load): Replace bogus
18284         assert with a check.
18285
18286 2016-01-13  Richard Biener  <rguenther@suse.de>
18287
18288         PR tree-optimization/69186
18289         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
18290         Properly guard vect_update_misalignment_for_peel call.
18291
18292 2016-01-12  Jeff Law  <law@redhat.com>
18293
18294         PR tree-optimization/pr67755
18295         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add new field
18296         "need_profile_correction".
18297         (thread_block_1): Initialize new field to false by default.  If we
18298         have multiple thread paths through a common joiner to different
18299         final targets, then set new field to true.
18300         (compute_path_counts): Only do count adjustment when it's really
18301         needed.
18302
18303 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
18304
18305         * doc/invoke.texi (Spec Files): Move section down in file, past
18306         all command-line option descriptions.
18307
18308 2016-01-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
18309
18310         PR middle-end/54809
18311         * doc/gty.texi: Remove documentation of mark_hook.
18312         * gengtype.c (struct write_types_data): Remove code to support
18313         mark_hook attribute.
18314         (walk_type): Likewise.
18315         (write_func_for_structure): Likewise.
18316
18317 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
18318
18319         * doc/invoke.texi (Option Summary) Move -no-canonical-prefixes to
18320         Directory Options, and -specs= to Overall Options.
18321         (Overall Options): Adjust similarly.  Reorder to group related
18322         options together.  Make -specs= cross-reference the spec file details.
18323         (Directory Options): Adjust similarly.
18324
18325 2016-01-12  Jeff Law  <law@redhat.com>
18326
18327         * tree-ssa-threadupdate.c: Various whitespace and typo fixes.
18328
18329 2016-01-12  Olivier Hainque  <hainque@adacore.com>
18330
18331         * gcc.c (spec_undefvar_allowed): New global.
18332         (process_command): Set to true when running for --version or --help,
18333         alone or together.
18334         (getenv_spec_function): When the variable is not defined, use the
18335         variable name as the variable value if we're allowed not to issue
18336         a fatal error.
18337
18338 2016-01-12  Bin Cheng  <bin.cheng@arm.com>
18339
18340         PR tree-optimization/68911
18341         * tree-vrp.c (adjust_range_with_scev): Check overflow in range
18342         information computed for expression "init + nit * step".
18343
18344 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
18345
18346         * doc/invoke.texi (Invoking GCC): Copy-edit.  Incorporate information
18347         about name of GCC executable.  Remove deleted node from menu.
18348         (Directory Options) <-B>: Remove cross-reference to deleted node.
18349         (Target Options): Delete section.
18350
18351 2016-01-12  Christian Bruel  <christian.bruel@st.com>
18352
18353         PR target/69180
18354         * config/arm/arm-c.c (arm_pragma_target_parse): Set NODE_CONDITIONAL
18355         for __ARM_NEON_FP, __ARM_FP, _ARM_FEATURE_LDREX.
18356
18357 2016-01-12  Jakub Jelinek  <jakub@redhat.com>
18358
18359         PR target/69198
18360         * config/i386/i386.c (ix86_expand_special_args_builtin): Ensure
18361         aligned_mem is properly set for AVX512-VL floating point masked
18362         stores.
18363
18364         PR target/69175
18365         * ifcvt.c (cond_exec_process_if_block): When removing the last
18366         insn from then_bb, remove also any possible barriers that follow it.
18367
18368 2016-01-12  H.J. Lu  <hongjiu.lu@intel.com>
18369
18370         PR target/68456
18371         PR target/69226
18372         * config/i386/iamcu.h (SIZE_TYPE): New macro.
18373         (PTRDIFF_TYPE): Likewise.
18374         (WCHAR_TYPE): Likewise.
18375         (WCHAR_TYPE_SIZE): Likewise.
18376         (STDINT_LONG32): Likewise.
18377
18378 2016-01-12  Richard Biener  <rguenther@suse.de>
18379
18380         PR tree-optimization/69053
18381         * tree-vect-loop.c (get_initial_def_for_reduction): Properly
18382         convert initial value for cond reductions.
18383
18384 2016-01-12  Richard Biener  <rguenther@suse.de>
18385
18386         PR tree-optimization/69007
18387         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Move
18388         widen_sum after dot_prod and sad.
18389
18390 2016-01-12  Richard Biener  <rguenther@suse.de>
18391
18392         PR tree-optimization/69168
18393         * tree-vect-loop.c (vect_analyze_loop_2): Reset both main and
18394         pattern stmt SLP type.
18395         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Patterns may
18396         end up unused so cope with that case.
18397
18398 2016-01-12  Richard Biener  <rguenther@suse.de>
18399
18400         PR tree-optimization/69157
18401         * tree-vect-stmts.c (vectorizable_mask_load_store): Check
18402         stmts def type only during analyze phase.
18403         (vectorizable_call): Likewise.
18404         (vectorizable_simd_clone_call): Likewise.
18405         (vectorizable_conversion): Likewise.
18406         (vectorizable_assignment): Likewise.
18407         (vectorizable_shift): Likewise.
18408         (vectorizable_operation): Likewise.
18409         (vectorizable_store): Likewise.
18410         (vectorizable_load): Likewise.
18411
18412 2016-01-12  Richard Biener  <rguenther@suse.de>
18413
18414         PR tree-optimization/69174
18415         * tree-vect-stmts.c (vect_mark_relevant): Remove excessive vertical
18416         space.
18417         (vectorizable_load): Properly compute the number of loads needed
18418         for permuted strided SLP loads and do not spuriously assign
18419         to SLP_TREE_VEC_STMTS.
18420
18421 2016-01-12  Andris Pavenis  <andris.pavenis@iki.fi>
18422
18423         * config/i386/djgpp.h (PREFERRED_DEBUGGING_TYPE): Define to DWARF2
18424         (TARGET_ASM_OUTPUT_IDENT): Define to default_asm_output_ident_directive
18425         (MD_EXEC_PREFIX): Remove.
18426         (MD_STARTFILE_PREFIX) Removee.
18427         (FILE_NAME_ABSOLUTE_P): Remove.
18428         (CPP_SPEC): Do not read macros from sys/version.h.
18429         (LINK_COMMAND_SPEC): Remove.
18430         (LOCAL_INCLUDE_DIR): Remove.
18431         (TARGET_ASM_NAMED_SECTION): Define to i386_djgpp_asm_named_section
18432         (TARGET_OS_CPP_BUILTINS): Add DJGPP (non ISO only), __DJGPP, __DJGPP__, unix.
18433         (POST_LINK_SPEC): Define to invoke stubify after linker
18434         (LIBSTDCXX): Remove define
18435         (DBX_REGISTER_NUMBER): Define to svr4_dbx_register_map.
18436         (DEFAULT_PCC_STRUCT_RETURN): Define to 1.
18437         (SUBTARGET_OVERRIDE_OPTIONS): Remove warning about -mbnu2210.
18438         (SUBTARGET_OVERRIDE_OPTIONS): Ignore -fPIC and generate message.
18439         (SUBTARGET_OVERRIDE_OPTIONS): Default to DWARF2 debugging info.
18440         (IX86_MAYBE_NO_LIBGCC_TFMODE): Remove.
18441         (i386_djgpp_asm_named_section): Add propotype of new procedure
18442
18443         * config/i386/xm-djgpp.h (NATIVE_SYSTEM_HEADER_DIR): Define.
18444         (MD_EXEC_PREFIX): Define (moved from config/i386/djgpp.h).
18445         (STANDARD_STARTFILE_PREFIX_1): Define (moved from MD_STARTFILE_PREFIX
18446         in config/i386/djgpp.h).
18447         (STANDARD_STARTFILE_PREFIX_2): Define identical to
18448         STANDARD_STARTFILE_PREFIX_1.
18449         (LOCAL_INCLUDE_DIR): Define (moved from config/i386/djgpp.h).
18450         (GCC_DRIVER_HOST_INITIALIZATION): Fix reporting fatal
18451         installation errors.
18452         (MAX_OFILE_ALIGNMENT): Define to 128.
18453         (HAVE_FTW_H): Undefine as DJGPP do not have nftw, but have ftw.h.
18454
18455         * config/i386/djgpp.c: New file. Add implementation of
18456         i386_djgpp_asm_named_section.
18457
18458         * config/i386/djgpp.opt: Remove obsolete option -mbnu210.
18459
18460         * config/i386/t-djgpp: New file. Add djgpp.o to EXTRA_OBJS.
18461         Add rule for building djgpp.o.
18462
18463 2016-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
18464
18465         * config/rs6000/rs6000.c (v2df_reduction_p): New function.
18466         (rtx_is_swappable_p): Reductions are swappable.
18467         (insn_is_swappable_p): V2DF reductions are swappable.
18468
18469 2016-01-11  John David Anglin  <danglin@gcc.gnu.org>
18470
18471         * config/pa/pa.c (pa_emit_move_sequence): Handle floating point
18472         reloads for other unsupported memory operands.
18473
18474 2016-01-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
18475             Jim Wilson  <jim.wilson@linaro.org>
18476
18477         PR target/69194
18478         * config/arm/arm-builtins.c (arm_expand_neon_args): Call
18479         copy_to_mode_reg instead of force_reg.
18480
18481 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
18482
18483         PR target/69225
18484         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Set to 2 only if
18485         TARGET_80387 is true.
18486
18487 2016-01-11  Jakub Jelinek  <jakub@redhat.com>
18488
18489         PR target/69071
18490         * lra-eliminations.c (move_plus_up): Only move plus up
18491         if subreg of the constant can be simplified into constant
18492         and use the simplified subreg of the constant instead of
18493         the original constant.
18494
18495         * fold-const.c (fold_convertible_p): Don't return true
18496         for conversion of VECTOR_TYPE to same sized integral type.
18497         (fold_convert_loc): Fix up formatting.  Fold conversion of
18498         VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
18499         instead of NOP_EXPR.
18500
18501         PR tree-optimization/69214
18502         * tree-vrp.c (simplify_cond_using_ranges): Don't propagate
18503         innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
18504         Formatting fix.
18505
18506         PR tree-optimization/69207
18507         * tree-vect-slp.c (vect_get_constant_vectors): For
18508         VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of
18509         fold_convertible_p to vector_type's element type, and always
18510         use VCE for non-VECTOR_BOOLEAN_TYPE_P.
18511
18512 2016-01-11  Richard Biener  <rguenther@suse.de>
18513
18514         PR tree-optimization/69173
18515         * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Only
18516         fixup the cycle if all stmts are in a pattern.
18517
18518 2016-01-11  Uros Bizjak  <ubizjak@gmail.com>
18519
18520         PR middle-end/68999
18521         * alias.c (base_alias_check): Move check for addresses with
18522         alignment ANDs before the call for compare_base_decls.
18523         (memrefs_conflict_p): Return -1 for different decls
18524         that went through alignment adjustments.
18525
18526 2016-01-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
18527
18528         PR rtl-optimization/68796
18529         * config/aarch64/aarch64.md (*and<mode>_compare0): New pattern.
18530         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Handle HImode
18531         and QImode comparisons against zero with CC_NZmode.
18532         * config/aarch64/iterators.md (short_mask): New mode_attr.
18533
18534 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
18535
18536         * config/i386/sse.md (<avx512>_load<mode>_mask): Remove snprintf.
18537         (<avx512>_store<mode>_mask): Likewise.
18538
18539 2016-01-11  Bernd Schmidt  <bschmidt@redhat.com>
18540             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
18541
18542         PR rtl-optimization/68841
18543         * ifcvt.c (struct noce_if_info): Add orig_x field.
18544         (bbs_ok_for_cmove_arith): Add to_rename parameter.
18545         Don't record conflicts on to_rename if it's present.
18546         Allow memory destinations in sets.
18547         (noce_try_cmove_arith): Call bbs_ok_for_cmove_arith even on simple
18548         blocks, passing orig_x to the checks.
18549         (noce_process_if_block): Set if_info->orig_x appropriately.
18550
18551 2016-01-11  Tom de Vries  <tom@codesourcery.com>
18552
18553         PR tree-optimization/69069
18554         * tree-parloops.c (create_parallel_loop): Add missing phi args.
18555
18556 2016-01-11  Yuri Rumyantsev  <ysrumyan@gmail.com>
18557
18558         PR rtl-optimization/68920
18559         * config/i386/i386.c (ix86_option_override_internal): Restrict number
18560         of conditional moves for  RTL if-conversion to 1 for
18561         TARGET_ONE_IF_CONV_INSN.
18562         * config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
18563         * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
18564         * params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
18565         parameter to restirct number of conditional moves for
18566         RTL if-conversion.
18567         * doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
18568         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
18569         conditionl moves.
18570
18571 2016-01-11  Alexandre Oliva  <aoliva@redhat.com>
18572
18573         PR bootstrap/69123
18574         * var-tracking.c (drop_overlapping_mem_locs): Operate on all
18575         onepart vars.  Fix typo in comment.  Fix reversed condition in
18576         unshare test.
18577         (dataflow_set_remove_mem_locs): Operate on all onepart vars.
18578
18579         PR bootstrap/69123
18580         * var-tracking.c (dump_onepart_variable_differences): New.
18581         (dataflow_set_different): If a detailed dump is requested,
18582         delay early returns and dump differences between onepart
18583         variables present before and after, and added variables.
18584
18585 2016-01-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
18586
18587         PR target/69010
18588         * expr.c (expand_expr_real_1): For boolean vector constants
18589         with a scalar mode use const_scalar_mask_from_tree.
18590         (const_scalar_mask_from_tree): New.
18591         * optabs.c (expand_vec_cond_mask_expr): Use mask mode
18592         assigned to a mask type to handle constants.
18593
18594 2016-01-11  Martin Jambor  <mjambor@suse.cz>
18595
18596         PR ipa/69044
18597         * ipa-cp.c (estimate_local_effects): Do not clone for removal of
18598         useless parameters if we cannot change function signature.
18599
18600 2016-01-11  Martin Jambor  <mjambor@suse.cz>
18601
18602         PR ipa/66616
18603         * cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
18604         flag.
18605
18606 2016-01-11  Tom de Vries  <tom@codesourcery.com>
18607
18608         PR tree-optimization/69109
18609         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
18610         latch with phi.
18611
18612 2016-01-11  Tom de Vries  <tom@codesourcery.com>
18613
18614         PR tree-optimization/69108
18615         * tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
18616         res is not used in a phi.
18617
18618 2016-01-11  Yury Gribov  <y.gribov@samsung.com>
18619
18620         PR 67425
18621         * common.opt (frandom-seed): Fix parameter name.
18622         * doc/invoke.texi (frandom-seed): Ditto and describe parameter.
18623
18624 2016-01-11  Tom de Vries  <tom@codesourcery.com>
18625
18626         PR tree-optimization/69058
18627         * tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
18628         not supported.
18629
18630 2016-01-11  Andrew Burgess  <andrew.burgess@embecosm.com>
18631
18632         * config/arc/arc.opt (mdiv-rem): Add period to the end.
18633         (mcode-density): Likewise.
18634
18635 2016-01-10  Tom de Vries  <tom@codesourcery.com>
18636
18637         PR tree-optimization/69062
18638         * tree-parloops.c (loop_has_phi_with_address_arg): New function.
18639         (parallelize_loops): Don't paralelize loop that has phi with address
18640         arg.
18641
18642 2016-01-10  Tom de Vries  <tom@codesourcery.com>
18643
18644         PR tree-optimization/69039
18645         * tree-parloops.c (try_create_reduction_list): Only allow single exit
18646         phi for reduction.
18647
18648 2016-01-09  John David Anglin  <danglin@gcc.gnu.org>
18649
18650         PR middle-end/68743
18651         * match.pd: Require target has function_c99_misc before doing
18652         truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.
18653
18654 2016-01-09  Gerald Pfeifer  <gerald@pfeifer.com>
18655
18656         * configure.ac (isl_options_set_schedule_serialize_sccs): Also
18657         use GMPINC.
18658         * configure: Regenerate.
18659
18660 2016-01-09  Jakub Jelinek  <jakub@redhat.com>
18661
18662         PR middle-end/50865
18663         PR tree-optimization/69097
18664         * fold-const.h (expr_not_equal_to): New prototype.
18665         * fold-const.c: Include stringpool.h and tree-ssanames.h.
18666         (expr_not_equal_to): New function.
18667         * match.pd (X % -Y is the same as X % Y): Don't optimize
18668         unless X is known not to be equal to minimum or Y is known
18669         not to be equal to -1.
18670         * tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
18671         fold TRUNC_MOD_EXPR if the second argument is not a power of two.
18672         (simplify_stmt_using_ranges): Adjust caller.
18673         (vrp_finalize): Call set_value_range on SSA_NAMEs before calling
18674         substitute_and_fold.
18675
18676 2016-01-09  Jan Hubicka  <hubicka@ucw.cz>
18677
18678         * ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
18679         w/o DECL_NAME.
18680
18681 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
18682
18683         PR tree-optimization/69167
18684         * gimple-fold.c (replace_stmt_with_simplification): Also punt if
18685         new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
18686         ops[0] comparison.
18687         * gimple-match-head.c (maybe_push_res_to_seq): Likewise.
18688
18689 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
18690             Richard Biener  <rguenther@suse.de>
18691
18692         PR tree-optimization/68707
18693         * tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
18694         instances that can be handled via vect_load_lanes.
18695
18696 2016-01-08  Uros Bizjak  <ubizjak@gmail.com>
18697
18698         * symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
18699         if we can't determine address equivalence.
18700         * alias.c (compare_base_decl): Update for changed return value of
18701         symtab_node::equal_address_to.
18702
18703 2016-01-08  Jason Merrill  <jason@redhat.com>
18704
18705         PR c++/68983
18706         PR c++/67557
18707         * function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
18708         * expr.c (store_field): Not here.
18709         * tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
18710         call with TREE_ADDRESSABLE type.
18711         * tree-cfg.c (verify_gimple_call): Adjust.
18712
18713 2016-01-08  Olivier Hainque  <hainque@adacore.com>
18714
18715         * config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
18716         libc_internal.
18717
18718 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
18719
18720         * gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
18721         (reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
18722         (reduc_smin_v2sf): Rename to...
18723         (reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
18724         (reduc_splus_v2sf): Rename to...
18725         (reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.
18726
18727 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
18728
18729         PR tree-optimization/69162
18730         * gimplify.c (gimplify_va_arg_expr): Encode original type of
18731         valist argument in another argument.
18732         (gimplify_modify_expr): Adjust for the above change.  Cleanup.
18733         * tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
18734         to determine the va_list type, build a MEM_REF instead of
18735         build_fold_indirect_ref.
18736
18737         PR tree-optimization/69172
18738         * gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
18739         gimple_build.
18740
18741 2016-01-08  Thomas Preud'homme  <thomas.preudhomme@arm.com>
18742
18743         PR tree-optimization/67781
18744         * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
18745         and cmpnop in two steps: first the ones not accessed in original
18746         gimple expression in a endian independent way and then the ones not
18747         accessed in the final result in an endian-specific way.
18748
18749 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
18750
18751         PR tree-optimization/69083
18752         * tree-vect-slp.c (vect_get_constant_vectors): For
18753         VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
18754         element type.  If op is fold_convertible_p to vector_type's element
18755         type, use NOP_EXPR instead of VCE.
18756
18757 2016-01-08  Segher Boessenkool  <segher@kernel.crashing.org>
18758
18759         PR rtl-optimization/67778
18760         PR rtl-optimization/68634
18761         PR rtl-optimization/68909
18762         * shrink-wrap.c (try_shrink_wrapping): Add comment.  Don't pop
18763         block from the stack until done with it.  Remove a superfluous
18764         bitmap set.  Remove a superfluous bitmap test.
18765
18766 2016-01-07  Martin Sebor  <msebor@redhat.com>
18767
18768         PR c/68966
18769         * doc/extend.texi (__atomic Builtins, __sync Builtins): Document
18770         constraint on the type of arguments.
18771
18772 2016-01-07  Andreas Tobler  <andreast@gcc.gnu.org>
18773
18774         * config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
18775         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
18776         unaligned_access on the gcc_options set.
18777         * config/arm/arm.c (arm_option_override_internal): Use
18778         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.
18779
18780 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
18781
18782         PR target/69140
18783         * config/i386/i386.c (ix86_frame_pointer_required): Enable
18784         frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.
18785
18786 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
18787
18788         Revert
18789         2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
18790
18791         PR target/69140
18792         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
18793         depending on frame_pointer_needed before remaining integer and SSE
18794         registers are saved.
18795
18796 2016-01-07  Sandra Loosemore  <sandra@codesourcery.com>
18797
18798         PR 1078
18799         * doc/extend.texi (Nvidia PDX Function Attributes): New section.
18800
18801 2016-01-07  H.J. Lu  <hongjiu.lu@intel.com>
18802
18803         PR target/69171
18804         * config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
18805         Use the "xBm" constraint.
18806         (float<sseintvecmodelower><mode>2<mask_name><round_name):
18807         Likewise.
18808         (sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
18809         (sse_cvtsi2ssq<round_name>): Likewise.
18810         (sse_cvtss2si<round_name>): Likewise.
18811         (sse_cvtss2siq<round_name>): Likewise.
18812         (sse2_cvtsi2sdq<round_name>): Likewise.
18813         (sse2_cvtsd2si<round_name>): Likewise.
18814         (sse2_cvtsd2siq<round_name>): Likewise.
18815         * config/i386/subst.md (round_nimm_scalar_predicate): New
18816         predicate.
18817
18818 2015-12-15  Bernd Schmidt  <bschmidt@redhat.com>
18819
18820         PR middle-end/67639
18821         * varasm.c (make_decl_rtl): Mark invalid register vars as
18822         DECL_EXTERNAL.
18823
18824         PR rtl-optimization/66206
18825         * bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
18826         All callers changed.
18827
18828 2016-01-07  Jakub Jelinek  <jakub@redhat.com>
18829
18830         PR tree-optimization/69141
18831         * tree-ssa-pre.c: Include langhooks.h.
18832         (eliminate_dom_walker::before_dom_children): Use
18833         lang_hooks.decl_printable_name instead of
18834         cgraph_node::get ()->name ().
18835
18836         PR middle-end/68960
18837         * gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
18838         it and DECL_ALIGN too.
18839
18840 2016-01-06  Robert Suchanek  <robert.suchanek@imgtec.com>
18841
18842         * config/mips/mips-ftypes.def: Sort to lexicographical order.
18843
18844 2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
18845
18846         PR target/69140
18847         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
18848         depending on frame_pointer_needed before remaining integer and SSE
18849         registers are saved.
18850
18851 2015-01-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
18852
18853         * config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
18854         mode iterator with VSX_M2.
18855         (*p9_vecstore_<mode>): Likewise.
18856         (*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
18857         (*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
18858         (*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
18859         (define_split for VSX_LE128 stores): Likewise.
18860         (define_peephole2 for TImode LE swaps): Likewise.
18861         (define_split for VSX_LE128 post-reload stores): Likewise.
18862
18863 2016-01-06  Marek Polacek  <polacek@redhat.com>
18864
18865         PR sanitizer/69099
18866         * convert.c (convert_to_integer_1): Adjust call to
18867         ubsan_instrument_float_cast.  Use NULL_TREE instead of NULL.
18868         * ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter.  Use
18869         EXPR instead of ARG.
18870         * ubsan.h (ubsan_instrument_float_cast): Adjust declaration.
18871
18872 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
18873
18874         PR 1078
18875         * doc/extend.texi (RL78 Variable Attributes): New section.
18876
18877 2016-01-05  Marek Polacek  <polacek@redhat.com>
18878
18879         PR c/69104
18880         * builtins.c (get_memmodel): Use expansion point location rather than
18881         the input location.  Call warning_at rather than warning.
18882         (expand_builtin_atomic_compare_exchange): Likewise.
18883         (expand_builtin_atomic_load): Likewise.
18884         (expand_builtin_atomic_store): Likewise.
18885         (expand_builtin_atomic_clear): Likewise.
18886
18887 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
18888
18889         PR target/68991
18890         * config/i386/i386.c (ix86_expand_vector_logical_operator):
18891         Replace nonimmediate_operand with vector_operand.
18892         * config/i386/predicates.md (vector_operand): New predicate.
18893         (general_vector_operand): Replace nonimmediate_operand with
18894         vector_operand.
18895         * config/i386/sse.md: Replace nonimmediate_operand with
18896         vector_operand and m constraint with Bm constraint on SSE
18897         patterns with 16-byte memory operand.
18898         * config/i386/subst.md (round_nimm_predicate): Replace
18899         nonimmediate_operand with vector_operand.
18900         (round_saeonly_nimm_predicate): Likewise.
18901         (round_saeonly_nimm_scalar_predicate): New.
18902
18903 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
18904
18905         PR target/68991
18906         * config/i386/constraints.md (Bm): New constraint.
18907         * config/i386/predicates.md (vector_memory_operand): New
18908         predicate.
18909         * config/i386/sse.md: Replace xm with xBm in plusminus and
18910         any_logic patterns.
18911
18912 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
18913
18914         PR 1078
18915         * doc/extend.texi (V850 Function Attributes): New section.
18916         (V850 Variable Attributes): New section.
18917
18918 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
18919
18920         PR 1078
18921         * doc/extend.texi (MicroBlaze Function Attributes): Document
18922         interrupt_handler and fast_interrupt attributes.
18923
18924 2016-01-05  Sergei Trofimovich  <siarheit@google.com>
18925
18926         PR other/60465
18927         * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
18928         for local symbolic operands.
18929         * config/ia64/predicates.md (local_symbolic_operand64): New
18930         predicate.
18931
18932 2016-01-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
18933
18934         PR rtl-optimization/68651
18935         * combine.c (combine_simplify_rtx): Canonicalize x + x into
18936         x << 1.
18937
18938 2016-01-05  Nathan Sidwell  <nathan@acm.org>
18939
18940         * alias.c (compare_base_decls): Use symtab_node::get.
18941
18942 2016-01-05  Nick Clifton  <nickc@redhat.com>
18943
18944         PR target/68770
18945         * ira-costs.c (copy_cost): Initialise the t_icode field of the
18946         secondary_reload_info structure.
18947
18948         PR target/66655
18949         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
18950         decls if weak support is available.
18951
18952 2016-01-04  Martin Sebor  <msebor@redhat.com>
18953
18954         * doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.
18955
18956 2016-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
18957
18958         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
18959         OPTION_MASK_P9_DFORM.
18960
18961         * config/rs6000/constraints.md (wo constraint): New constraint for
18962         ISA 3.0 (power9).
18963
18964         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
18965         for wo constraint.
18966         (rs6000_init_hard_regno_mode_ok): Likewise.
18967
18968         * config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
18969         wo constraint.
18970
18971         * config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
18972         expanders not to have constraints.  Add support for ISA 3.0 xxperm
18973         instruction.  Add support for fusing xxlor with xxperm.
18974         (altivec_vperm_<mode>_internal): Likewise.
18975         (altivec_vperm_v8hiv16qi): Likewise.
18976         (altivec_vperm_<mode>v16q): Likewise.
18977         (altivec_vperm_<mode>_uns): Likewise.
18978         (vperm_v8hiv4si): Likewise.
18979         (vperm_v16qiv8hi): Likewise.
18980
18981         * doc/md.texi (RS/6000 constraints): Document wo constraint.
18982
18983 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
18984
18985         Update copyright years.
18986
18987         * gcc.c (process_command): Update copyright notice dates.
18988         * gcov-dump.c (print_version): Ditto.
18989         * gcov.c (print_version): Ditto.
18990         * gcov-tool.c (print_version): Ditto.
18991         * gengtype.c (create_file): Ditto.
18992         * doc/cpp.texi: Bump @copying's copyright year.
18993         * doc/cppinternals.texi: Ditto.
18994         * doc/gcc.texi: Ditto.
18995         * doc/gccint.texi: Ditto.
18996         * doc/gcov.texi: Ditto.
18997         * doc/install.texi: Ditto.
18998         * doc/invoke.texi: Ditto.
18999
19000 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
19001
19002         * config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
19003         modes larger than TImode as TImode if NEON is not enabled.
19004
19005 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
19006
19007         PR target/69100
19008         * config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
19009         mode for %f0-%f31 only if TARGET_FPU.
19010
19011 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
19012
19013         PR target/69072
19014         * config/sparc/sparc.c (scan_record_type): Take into account subfields
19015         to compute the PACKED_P predicate.
19016         (function_arg_record_value): Minor tweaks.
19017
19018 2016-01-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
19019
19020         * doc/install.texi (--with-multilib-list): Describe the meaning of the
19021         option for arm*-*-* targets.
19022
19023 2016-01-03  Sandra Loosemore  <sandra@codesourcery.com>
19024
19025         * doc/extend.texi (Common Function Attributes): Move docs for
19026         MSP430-specific attributes to....
19027         (MSP430 Function Attributes): ...here.  Delete the redundant
19028         entries and copy-edit the remaining text.
19029         (MSP430 Variable Attributes): Use uniform format for index
19030         entries and add a cross-reference to the corresponding function
19031         attribute docs.
19032
19033 2016-01-03  Vladimír Čunát  <vcunat@gmail.com>
19034
19035         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix
19036         -finite-math typo.
19037         (x86 Options): Likewise.
19038
19039 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
19040
19041         PR 1078
19042
19043         * extend.texi (Common Function Attributes) <no_stack_limit>: New.
19044         * invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
19045         to corresponding attribute.
19046
19047 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
19048
19049         * doc/extend.texi (Common Function Attributes) <noplt>: Move
19050         to correct alphabetization of table.  Copy-edit and correct
19051         markup.
19052         <stack_protect>: Likewise.
19053         <target_clones>: Likewise.
19054         <simd>: Likewise.
19055         * doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
19056         Correct punctuation.
19057         (Code Gen Options) <-fno-plt>: Copy-edit.
19058
19059 2016-01-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>
19060
19061         PR target/68917
19062         * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
19063         SI values.  Explicitly convert SI to DI and vice-versa.
19064
19065 2016-01-01  Jakub Jelinek  <jakub@redhat.com>
19066
19067         PR tree-optimization/69070
19068         * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
19069         REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.
19070
19071         PR sanitizer/69055
19072         * ubsan.c (ubsan_instrument_float_cast): Call
19073         initialize_sanitizer_builtins.
19074
19075         PR target/69015
19076         * ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
19077 \f
19078 Copyright (C) 2016 Free Software Foundation, Inc.
19079
19080 Copying and distribution of this file, with or without modification,
19081 are permitted in any medium without royalty provided the copyright
19082 notice and this notice are preserved.