gcc/ChangeLog

   1 2017-09-12  Martin Liska  <mliska@suse.cz>
   2
   3         * attribs.c (private_lookup_attribute): New function.
   4         * attribs.h (private_lookup_attribute): Declared here.
   5         (lookup_attribute): Called from this place.
   6
   7 2017-09-12  Richard Biener  <rguenther@suse.de>
   8
   9         PR tree-optimization/82157
  10         * tree-ssa-pre.c (remove_dead_inserted_code): Do not remove
  11         stmts with side-effects.
  12
  13 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
  14             Alan Hayward  <alan.hayward@arm.com>
  15             David Sherwood <david.sherwood@arm.com>
  16
  17         * target.def (hard_regno_nregs): New hook.
  18         (class_max_nregs): Refer to it instead of HARD_REGNO_NREGS.
  19         * targhooks.h (default_hard_regno_nregs): Declare.
  20         * targhooks.c (default_hard_regno_nregs): New function.
  21         * doc/tm.texi.in (HARD_REGNO_NREGS): Replace with...
  22         (TARGET_HARD_REGNO_NREGS): ...this hook.
  23         (HARD_REGNO_NREGS_HAS_PADDING): Update accordingly.
  24         (CLASS_MAX_NREGS): Likewise.
  25         * doc/tm.texi: Regenerate.
  26         * reginfo.c (init_reg_modes_target): Use targetm.hard_regno_nregs
  27         instead of HARD_REGNO_NREGS.
  28         * rtl.h (REG_NREGS): Refer to TARGET_HARD_REGNO_NREGS rather than
  29         HARD_REGNO_NREGS in the comment.
  30         * config/aarch64/aarch64.h (HARD_REGNO_NREGS): Delete.
  31         * config/aarch64/aarch64-protos.h (aarch64_hard_regno_nregs): Delete.
  32         * config/aarch64/aarch64.c (aarch64_hard_regno_nregs): Make static.
  33         Return an unsigned int.
  34         (TARGET_HARD_REGNO_NREGS): Redefine.
  35         * config/alpha/alpha.h (HARD_REGNO_NREGS): Delete.
  36         * config/arc/arc.h (HARD_REGNO_NREGS): Delete.
  37         * config/arc/arc.c (TARGET_HARD_REGNO_NREGS): Redefine.
  38         (arc_hard_regno_nregs): New function.
  39         * config/arm/arm.h (HARD_REGNO_NREGS): Delete.
  40         * config/arm/arm.c (TARGET_HARD_REGNO_NREGS): Redefine.
  41         (arm_hard_regno_nregs): New function.
  42         * config/avr/avr.h (HARD_REGNO_NREGS): Delete.
  43         * config/bfin/bfin.h (HARD_REGNO_NREGS): Delete.
  44         * config/bfin/bfin.c (bfin_hard_regno_nregs): New function.
  45         (TARGET_HARD_REGNO_NREGS): Redefine.
  46         * config/c6x/c6x.h (HARD_REGNO_NREGS): Delete.
  47         * config/cr16/cr16.h (LONG_REG_P): Use targetm.hard_regno_nregs.
  48         (HARD_REGNO_NREGS): Delete.
  49         * config/cr16/cr16.c (TARGET_HARD_REGNO_NREGS): Redefine.
  50         (cr16_hard_regno_nregs): New function.
  51         (cr16_memory_move_cost): Use it instead of HARD_REGNO_NREGS.
  52         * config/cris/cris.h (HARD_REGNO_NREGS): Delete.
  53         * config/cris/cris.c (TARGET_HARD_REGNO_NREGS): Redefine.
  54         (cris_hard_regno_nregs): New function.
  55         * config/epiphany/epiphany.h (HARD_REGNO_NREGS): Delete.
  56         * config/fr30/fr30.h (HARD_REGNO_NREGS): Delete.
  57         (CLASS_MAX_NREGS): Use targetm.hard_regno_nregs.
  58         * config/frv/frv.h (HARD_REGNO_NREGS): Delete.
  59         (CLASS_MAX_NREGS): Remove outdated copy of documentation.
  60         * config/frv/frv-protos.h (frv_hard_regno_nregs): Delete.
  61         * config/frv/frv.c (TARGET_HARD_REGNO_NREGS): Redefine.
  62         (frv_hard_regno_nregs): Make static.  Take and return an
  63         unsigned int.
  64         (frv_class_max_nregs): Remove outdated copy of documentation.
  65         * config/ft32/ft32.h (HARD_REGNO_NREGS): Delete.
  66         * config/h8300/h8300.h (HARD_REGNO_NREGS): Delete.
  67         * config/h8300/h8300-protos.h (h8300_hard_regno_nregs): Delete.
  68         * config/h8300/h8300.c (h8300_hard_regno_nregs): Delete.
  69         * config/i386/i386.h (HARD_REGNO_NREGS): Delete.
  70         * config/i386/i386.c (ix86_hard_regno_nregs): New function.
  71         (TARGET_HARD_REGNO_NREGS): Redefine.
  72         * config/ia64/ia64.h (HARD_REGNO_NREGS): Delete.
  73         (CLASS_MAX_NREGS): Update comment.
  74         * config/ia64/ia64.c (TARGET_HARD_REGNO_NREGS): Redefine.
  75         (ia64_hard_regno_nregs): New function.
  76         * config/iq2000/iq2000.h (HARD_REGNO_NREGS): Delete.
  77         * config/lm32/lm32.h (HARD_REGNO_NREGS): Delete.
  78         * config/m32c/m32c.h (HARD_REGNO_NREGS): Delete.
  79         * config/m32c/m32c-protos.h (m32c_hard_regno_nregs): Delete.
  80         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Take and return
  81         an unsigned int.
  82         (m32c_hard_regno_nregs): Likewise.  Make static.
  83         (TARGET_HARD_REGNO_NREGS): Redefine.
  84         * config/m32r/m32r.h (HARD_REGNO_NREGS): Delete.
  85         * config/m68k/m68k.h (HARD_REGNO_NREGS): Delete.
  86         * config/m68k/m68k.c (TARGET_HARD_REGNO_NREGS): Redefine.
  87         (m68k_hard_regno_nregs): New function.
  88         * config/mcore/mcore.h (HARD_REGNO_NREGS): Delete.
  89         * config/microblaze/microblaze.h (HARD_REGNO_NREGS): Delete.
  90         * config/mips/mips.h (HARD_REGNO_NREGS): Delete.
  91         * config/mips/mips-protos.h (mips_hard_regno_nregs): Delete.
  92         * config/mips/mips.c (mips_hard_regno_nregs): Make static.
  93         Take and return an unsigned int.
  94         (TARGET_HARD_REGNO_NREGS): Redefine.
  95         * config/mmix/mmix.h (HARD_REGNO_NREGS): Delete.
  96         (CLASS_MAX_NREGS): Use targetm.hard_regno_nregs.
  97         * config/mn10300/mn10300.h (HARD_REGNO_NREGS): Delete.
  98         * config/moxie/moxie.h (HARD_REGNO_NREGS): Delete.
  99         * config/msp430/msp430.h (HARD_REGNO_NREGS): Delete.
 100         * config/msp430/msp430-protos.h (msp430_hard_regno_nregs): Delete.
 101         * config/msp430/msp430.c (TARGET_HARD_REGNO_NREGS): Redefine.
 102         (msp430_hard_regno_nregs): Make static.  Take and return an
 103         unsigned int.
 104         * config/nds32/nds32.h (HARD_REGNO_NREGS): Delete.
 105         * config/nds32/nds32-protos.h (nds32_hard_regno_nregs): Delete.
 106         * config/nds32/nds32.c (nds32_hard_regno_nregs): Delete.
 107         (nds32_hard_regno_mode_ok): Use targetm.hard_regno_nregs.
 108         * config/nios2/nios2.h (HARD_REGNO_NREGS): Delete.
 109         * config/nvptx/nvptx.h (HARD_REGNO_NREGS): Delete.
 110         * config/nvptx/nvptx.c (nvptx_hard_regno_nregs): New function.
 111         (TARGET_HARD_REGNO_NREGS): Redefine.
 112         * config/pa/pa32-regs.h (HARD_REGNO_NREGS): Rename to...
 113         (PA_HARD_REGNO_NREGS): ...this.
 114         * config/pa/pa64-regs.h (HARD_REGNO_NREGS): Rename to...
 115         (PA_HARD_REGNO_NREGS): ...this.
 116         * config/pa/pa.c (TARGET_HARD_REGNO_NREGS): Redefine.
 117         (pa_hard_regno_nregs): New function.
 118         * config/pdp11/pdp11.h (HARD_REGNO_NREGS): Delete.
 119         * config/pdp11/pdp11.c (TARGET_HARD_REGNO_NREGS): Redefine.
 120         (pdp11_hard_regno_nregs): New function.
 121         * config/powerpcspe/powerpcspe.h (HARD_REGNO_NREGS): Delete.
 122         * config/powerpcspe/powerpcspe.c (TARGET_HARD_REGNO_NREGS): Redefine.
 123         (rs6000_hard_regno_nregs_hook): New function.
 124         * config/riscv/riscv.h (HARD_REGNO_NREGS): Delete.
 125         * config/riscv/riscv-protos.h (riscv_hard_regno_nregs): Delete.
 126         * config/riscv/riscv.c (riscv_hard_regno_nregs): Make static.
 127         Take and return an unsigned int.  Move earlier in file.
 128         (TARGET_HARD_REGNO_NREGS): Redefine.
 129         * config/rl78/rl78.h (HARD_REGNO_NREGS): Delete.
 130         * config/rl78/rl78-protos.h (rl78_hard_regno_nregs): Delete.
 131         * config/rl78/rl78.c (TARGET_HARD_REGNO_NREGS): Reefine.
 132         (rl78_hard_regno_nregs): Make static.  Take and return an
 133         unsigned int.
 134         * config/rs6000/rs6000.h (HARD_REGNO_NREGS): Delete.
 135         * config/rs6000/rs6000.c (TARGET_HARD_REGNO_NREGS): Redefine.
 136         (rs6000_hard_regno_nregs_hook): New function.
 137         * config/rx/rx.h (HARD_REGNO_NREGS): Delete.
 138         * config/rx/rx.c (rx_hard_regno_nregs): New function.
 139         (TARGET_HARD_REGNO_NREGS): Redefine.
 140         * config/s390/s390.h (HARD_REGNO_NREGS): Delete.
 141         * config/s390/s390.c (REGNO_PAIR_OK): Use s390_hard_regno_nregs
 142         instead of HARD_REGNO_NREGS.
 143         (s390_hard_regno_nregs): New function.
 144         (s390_hard_regno_mode_ok): Add comment from s390.h.
 145         (TARGET_HARD_REGNO_NREGS): Redefine.
 146         * config/sh/sh.h (HARD_REGNO_NREGS): Delete.
 147         * config/sh/sh.c (TARGET_HARD_REGNO_NREGS): Redefine.
 148         (sh_hard_regno_nregs): New function.
 149         (sh_pass_in_reg_p): Use it.
 150         * config/sparc/sparc.h (HARD_REGNO_NREGS): Delete.
 151         * config/sparc/sparc.c (TARGET_HARD_REGNO_NREGS): Redefine.
 152         (sparc_hard_regno_nregs): New function.
 153         * config/spu/spu.h (HARD_REGNO_NREGS): Delete.
 154         * config/spu/spu.c (spu_hard_regno_nregs): New function.
 155         (spu_function_arg_advance): Use it, supplying a valid register number.
 156         (TARGET_HARD_REGNO_NREGS): Redefine.
 157         * config/stormy16/stormy16.h (HARD_REGNO_NREGS): Delete.
 158         * config/tilegx/tilegx.h (HARD_REGNO_NREGS): Delete.
 159         * config/tilepro/tilepro.h (HARD_REGNO_NREGS): Delete.
 160         * config/v850/v850.h (HARD_REGNO_NREGS): Delete.
 161         * config/vax/vax.h (HARD_REGNO_NREGS): Delete.
 162         * config/visium/visium.h (HARD_REGNO_NREGS): Delete.
 163         (CLASS_MAX_NREGS): Remove copy of old documentation.
 164         * config/visium/visium.c (TARGET_HARD_REGNO_NREGS): Redefine.
 165         (visium_hard_regno_nregs): New function.
 166         (visium_hard_regno_mode_ok): Use it instead of HARD_REGNO_NREGS.
 167         * config/xtensa/xtensa.h (HARD_REGNO_NREGS): Delete.
 168         * config/xtensa/xtensa.c (TARGET_HARD_REGNO_NREGS): Redefine.
 169         xtensa_hard_regno_nregs): New function.
 170         * system.h (HARD_REGNO_NREGS): Poison.
 171
 172 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
 173
 174         * config/arm/arm.h (THUMB_SECONDARY_INPUT_RELOAD_CLASS): Use
 175         hard_regno_nregs instead of HARD_REGNO_NREGS.
 176         (THUMB_SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
 177         * config/c6x/c6x.c (c6x_expand_prologue): Likewise.
 178         (c6x_expand_epilogue): Likewise.
 179         * config/frv/frv.c (frv_alloc_temp_reg): Likewise.
 180         (frv_read_iacc_argument): Likewise.
 181         * config/sh/sh.c: Include regs.h.
 182         (sh_print_operand): Use hard_regno_nregs instead of HARD_REGNO_NREGS.
 183         (regs_used): Likewise.
 184         (output_stack_adjust): Likewise.
 185         * config/xtensa/xtensa.c (xtensa_copy_incoming_a7): Likewise.
 186         * expmed.c: Include regs.h.
 187         (store_bit_field_1): Use hard_regno_nregs instead of HARD_REGNO_NREGS.
 188         * ree.c: Include regs.h.
 189         (combine_reaching_defs): Use hard_regno_nregs instead of
 190         HARD_REGNO_NREGS.
 191         (add_removable_extension): Likewise.
 192
 193 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
 194
 195         * regs.h (hard_regno_nregs): Turn into a function.
 196         (end_hard_regno): Update accordingly.
 197         * caller-save.c (setup_save_areas): Likewise.
 198         (save_call_clobbered_regs): Likewise.
 199         (replace_reg_with_saved_mem): Likewise.
 200         (insert_restore): Likewise.
 201         (insert_save): Likewise.
 202         * combine.c (can_change_dest_mode): Likewise.
 203         (move_deaths): Likewise.
 204         (distribute_notes): Likewise.
 205         * config/mips/mips.c (mips_hard_regno_call_part_clobbered): Likewise.
 206         * config/powerpcspe/powerpcspe.c (rs6000_cannot_change_mode_class)
 207         (rs6000_split_multireg_move): Likewise.
 208         (rs6000_register_move_cost): Likewise.
 209         (rs6000_memory_move_cost): Likewise.
 210         * config/rs6000/rs6000.c (rs6000_cannot_change_mode_class): Likewise.
 211         (rs6000_split_multireg_move): Likewise.
 212         (rs6000_register_move_cost): Likewise.
 213         (rs6000_memory_move_cost): Likewise.
 214         * cselib.c (cselib_reset_table): Likewise.
 215         (cselib_lookup_1): Likewise.
 216         * emit-rtl.c (set_mode_and_regno): Likewise.
 217         * function.c (aggregate_value_p): Likewise.
 218         * ira-color.c (setup_profitable_hard_regs): Likewise.
 219         (check_hard_reg_p): Likewise.
 220         (calculate_saved_nregs): Likewise.
 221         (assign_hard_reg): Likewise.
 222         (improve_allocation): Likewise.
 223         (calculate_spill_cost): Likewise.
 224         * ira-emit.c (modify_move_list): Likewise.
 225         * ira-int.h (ira_hard_reg_set_intersection_p): Likewise.
 226         (ira_hard_reg_in_set_p): Likewise.
 227         * ira.c (setup_reg_mode_hard_regset): Likewise.
 228         (clarify_prohibited_class_mode_regs): Likewise.
 229         (check_allocation): Likewise.
 230         * lra-assigns.c (find_hard_regno_for_1): Likewise.
 231         (lra_setup_reg_renumber): Likewise.
 232         (setup_try_hard_regno_pseudos): Likewise.
 233         (spill_for): Likewise.
 234         (assign_hard_regno): Likewise.
 235         (setup_live_pseudos_and_spill_after_risky_transforms): Likewise.
 236         * lra-constraints.c (in_class_p): Likewise.
 237         (lra_constraint_offset): Likewise.
 238         (simplify_operand_subreg): Likewise.
 239         (lra_constraints): Likewise.
 240         (split_reg): Likewise.
 241         (split_if_necessary): Likewise.
 242         (invariant_p): Likewise.
 243         (inherit_in_ebb): Likewise.
 244         * lra-lives.c (process_bb_lives): Likewise.
 245         * lra-remat.c (reg_overlap_for_remat_p): Likewise.
 246         (get_hard_regs): Likewise.
 247         (do_remat): Likewise.
 248         * lra-spills.c (assign_spill_hard_regs): Likewise.
 249         * mode-switching.c (create_pre_exit): Likewise.
 250         * postreload.c (reload_combine_recognize_pattern): Likewise.
 251         * recog.c (peep2_find_free_register): Likewise.
 252         * regcprop.c (kill_value_regno): Likewise.
 253         (set_value_regno): Likewise.
 254         (copy_value): Likewise.
 255         (maybe_mode_change): Likewise.
 256         (find_oldest_value_reg): Likewise.
 257         (copyprop_hardreg_forward_1): Likewise.
 258         * regrename.c (check_new_reg_p): Likewise.
 259         (regrename_do_replace): Likewise.
 260         * reload.c (push_reload): Likewise.
 261         (combine_reloads): Likewise.
 262         (find_dummy_reload): Likewise.
 263         (operands_match_p): Likewise.
 264         (find_reloads): Likewise.
 265         (find_equiv_reg): Likewise.
 266         (reload_adjust_reg_for_mode): Likewise.
 267         * reload1.c (count_pseudo): Likewise.
 268         (count_spilled_pseudo): Likewise.
 269         (find_reg): Likewise.
 270         (clear_reload_reg_in_use): Likewise.
 271         (free_for_value_p): Likewise.
 272         (allocate_reload_reg): Likewise.
 273         (choose_reload_regs): Likewise.
 274         (reload_adjust_reg_for_temp): Likewise.
 275         (emit_reload_insns): Likewise.
 276         (delete_output_reload): Likewise.
 277         * rtlanal.c (subreg_get_info): Likewise.
 278         * sched-deps.c (sched_analyze_reg): Likewise.
 279         * sel-sched.c (init_regs_for_mode): Likewise.
 280         (mark_unavailable_hard_regs): Likewise.
 281         (choose_best_reg_1): Likewise.
 282         (verify_target_availability): Likewise.
 283         * valtrack.c (dead_debug_insert_temp): Likewise.
 284         * var-tracking.c (track_loc_p): Likewise.
 285         (emit_note_insn_var_location): Likewise.
 286         * varasm.c (make_decl_rtl): Likewise.
 287         * reginfo.c (choose_hard_reg_mode): Likewise.
 288         (init_reg_modes_target): Refer directly to
 289         this_target_regs->x_hard_regno_nregs.
 290
 291 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
 292
 293         * ira-costs.c (record_operand_costs): Use in_hard_reg_set_p
 294         instead of hard_regno_nregs.
 295
 296 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
 297
 298         * config/aarch64/aarch64.c (aarch64_hard_regno_mode_ok): Use
 299         end_hard_regno instead of hard_regno_nregs.
 300         * config/s390/s390.c (s390_reg_clobbered_rtx): Likewise.
 301         * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Likewise.
 302         * config/visium/visium.c (visium_hard_regno_mode_ok): Likewise.
 303         * ira-color.c (improve_allocation): Likewise.
 304         * lra-assigns.c (find_hard_regno_for_1): Likewise.
 305         * lra-lives.c (mark_regno_live): Likewise.
 306         (mark_regno_dead): Likewise.
 307         * lra-remat.c (operand_to_remat): Likewise.
 308         * lra.c (collect_non_operand_hard_regs): Likewise.
 309         * postreload.c (reload_combine_note_store): Likewise.
 310         (move2add_valid_value_p): Likewise.
 311         * reload.c (regno_clobbered_p): Likewise.
 312
 313 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
 314
 315         * config/frv/frv.c (FOR_EACH_REGNO): Use END_REGNO instead of
 316         hard_regno_nregs.
 317         * config/v850/v850.c (v850_reorg): Likewise.
 318         * reload.c (refers_to_regno_for_reload_p): Likewise.
 319         (find_equiv_reg): Likewise.
 320         * reload1.c (reload_reg_reaches_end_p): Likewise.
 321
 322 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
 323
 324         * caller-save.c (add_used_regs): Use REG_NREGS instead of
 325         hard_regno_nregs.
 326         * config/aarch64/aarch64.c (aarch64_split_combinev16qi): Likewise.
 327         * config/arm/arm.c (output_move_neon): Likewise.
 328         (arm_attr_length_move_neon): Likewise.
 329         (neon_split_vcombine): Likewise.
 330         * config/c6x/c6x.c (c6x_mark_reg_read): Likewise.
 331         (c6x_mark_reg_written): Likewise.
 332         (c6x_dwarf_register_span): Likewise.
 333         * config/i386/i386.c (ix86_save_reg): Likewise.
 334         * config/ia64/ia64.c (mark_reg_gr_used_mask): Likewise.
 335         (rws_access_reg): Likewise.
 336         * config/s390/s390.c (s390_call_saved_register_used): Likewise.
 337         * mode-switching.c (create_pre_exit): Likewise.
 338         * ree.c (combine_reaching_defs): Likewise.
 339         (add_removable_extension): Likewise.
 340         * regcprop.c (find_oldest_value_reg): Likewise.
 341         (copyprop_hardreg_forward_1): Likewise.
 342         * reload.c (reload_inner_reg_of_subreg): Likewise.
 343         (push_reload): Likewise.
 344         (combine_reloads): Likewise.
 345         (find_dummy_reload): Likewise.
 346         (reload_adjust_reg_for_mode): Likewise.
 347         * reload1.c (find_reload_regs): Likewise.
 348         (forget_old_reloads_1): Likewise.
 349         (reload_reg_free_for_value_p): Likewise.
 350         (reload_adjust_reg_for_temp): Likewise.
 351         (emit_reload_insns): Likewise.
 352         (delete_output_reload): Likewise.
 353         * sel-sched.c (choose_best_reg_1): Likewise.
 354         (choose_best_pseudo_reg): Likewise.
 355
 356 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
 357             Alan Hayward  <alan.hayward@arm.com>
 358             David Sherwood <david.sherwood@arm.com>
 359
 360         * defaults.h (SLOW_UNALIGNED_ACCESS): Delete.
 361         * target.def (slow_unaligned_access): New hook.
 362         * targhooks.h (default_slow_unaligned_access): Declare.
 363         * targhooks.c (default_slow_unaligned_access): New function.
 364         * doc/tm.texi.in (SLOW_UNALIGNED_ACCESS): Replace with...
 365         (TARGET_SLOW_UNALIGNED_ACCESS): ...this.
 366         * doc/tm.texi: Regenerate.
 367         * config/alpha/alpha.h (SLOW_UNALIGNED_ACCESS): Delete.
 368         * config/arm/arm.h (SLOW_UNALIGNED_ACCESS): Delete.
 369         * config/i386/i386.h (SLOW_UNALIGNED_ACCESS): Delete commented-out
 370         definition.
 371         * config/powerpcspe/powerpcspe.h (SLOW_UNALIGNED_ACCESS): Delete.
 372         * config/powerpcspe/powerpcspe.c (TARGET_SLOW_UNALIGNED_ACCESS):
 373         Redefine.
 374         (rs6000_slow_unaligned_access): New function.
 375         (rs6000_emit_move): Use it instead of SLOW_UNALIGNED_ACCESS.
 376         (expand_block_compare): Likewise.
 377         (expand_strn_compare): Likewise.
 378         (rs6000_rtx_costs): Likewise.
 379         * config/riscv/riscv.h (SLOW_UNALIGNED_ACCESS): Delete.
 380         (riscv_slow_unaligned_access): Likewise.
 381         * config/riscv/riscv.c (riscv_slow_unaligned_access): Rename to...
 382         (riscv_slow_unaligned_access_p): ...this and make static.
 383         (riscv_option_override): Update accordingly.
 384         (riscv_slow_unaligned_access): New function.
 385         (TARGET_SLOW_UNALIGNED_ACCESS): Redefine.
 386         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Delete.
 387         * config/rs6000/rs6000.c (TARGET_SLOW_UNALIGNED_ACCESS): Redefine.
 388         (rs6000_slow_unaligned_access): New function.
 389         (rs6000_emit_move): Use it instead of SLOW_UNALIGNED_ACCESS.
 390         (rs6000_rtx_costs): Likewise.
 391         * config/rs6000/rs6000-string.c (expand_block_compare)
 392         (expand_strn_compare): Use targetm.slow_unaligned_access instead
 393         of SLOW_UNALIGNED_ACCESS.
 394         * config/tilegx/tilegx.h (SLOW_UNALIGNED_ACCESS): Delete.
 395         * config/tilepro/tilepro.h (SLOW_UNALIGNED_ACCESS): Delete.
 396         * calls.c (expand_call): Use targetm.slow_unaligned_access instead
 397         of SLOW_UNALIGNED_ACCESS.
 398         * expmed.c (simple_mem_bitfield_p): Likewise.
 399         * expr.c (alignment_for_piecewise_move): Likewise.
 400         (emit_group_load_1): Likewise.
 401         (emit_group_store): Likewise.
 402         (copy_blkmode_from_reg): Likewise.
 403         (emit_push_insn): Likewise.
 404         (expand_assignment): Likewise.
 405         (store_field): Likewise.
 406         (expand_expr_real_1): Likewise.
 407         * gimple-fold.c (gimple_fold_builtin_memory_op): Likewise.
 408         * lra-constraints.c (simplify_operand_subreg): Likewise.
 409         * stor-layout.c (bit_field_mode_iterator::next_mode): Likewise.
 410         * gimple-ssa-store-merging.c: Likewise in block comment at start
 411         of file.
 412         * tree-ssa-strlen.c: Include target.h.
 413         (handle_builtin_memcmp): Use targetm.slow_unaligned_access instead
 414         of SLOW_UNALIGNED_ACCESS.
 415         * system.h (SLOW_UNALIGNED_ACCESS): Poison.
 416
 417 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
 418
 419         PR rtl-optimization/82185
 420         * expmed.c (emit_store_flag_int): Only test tem if it has been
 421         initialized.
 422
 423 2017-09-12  Richard Biener  <rguenther@suse.de>
 424
 425         PR middle-end/82149
 426         * match.pd ((FTYPE) N CMP CST): Fix typo.
 427
 428 2017-09-12  Simon Atanasyan  <simon.atanasyan@imgtec.com>
 429
 430         * config/mips/mips.c (mips_attribute_table): Add 'short_call'
 431         attribute.
 432         (mips_near_type_p): Add 'short_call' attribute as a synonym
 433         for 'near'.
 434         * doc/extend.texi (short_call): Document new function attribute.
 435
 436 2017-09-12  Jakub Jelinek  <jakub@redhat.com>
 437
 438         PR target/82112
 439         * c-common.c (sync_resolve_size): Instead of c_dialect_cxx ()
 440         assertion check that in the condition.
 441         (get_atomic_generic_size): Likewise.  Before testing if parameter
 442         has pointer type, if it has array type, call for C++
 443         default_conversion to perform array-to-pointer conversion.
 444
 445 2017-09-12  Richard Biener  <rguenther@suse.de>
 446
 447         * tree-vect-generic.c (expand_vector_operations_1): Do nothing
 448         for operations we cannot scalarize.
 449
 450 2017-09-12  Aldy Hernandez  <aldyh@redhat.com>
 451
 452         * tree-ssa-threadbackward.c (fsm_find_thread_path): Make GC
 453         vectors heap vectors.  Clean up comments.
 454         Make visited_bbs a reference.
 455         (profitable_jump_thread_path): Make GC
 456         vectors heap vectors.  Clean up comments.
 457         Misc cleanups.
 458         (convert_and_register_jump_thread_path): Make GC vectors heap
 459         vectors.
 460         (check_subpath_and_update_thread_path): Same.  Clean up comments.
 461         Make visited_bbs a reference.
 462         (handle_phi): Abstract common code to to
 463         register_jump_thread_path_if_profitable.
 464         Rename VAR_BB to DEF_BB.
 465         Update comments.
 466         Make GC vectors heap vectors.
 467         Make visited_bbs a reference.
 468         (handle_assignment): Same.
 469         (register_jump_thread_path_if_profitable): New.
 470         (fsm_find_control_statement_thread_paths): Rename VAR_BB to
 471         DEF_BB.
 472         Make GC vectors heap vectors.  Clean up comments.
 473         Make visited_bbs a reference.
 474         (find_jump_threads_backwards): Make visited_bbs live in the stack.
 475         * tree-ssa-threadupdate.c (delete_jump_thread_path): Fix typo in
 476         comment.
 477
 478 2017-09-11  Max Filippov  <jcmvbkbc@gmail.com>
 479
 480         PR target/82181
 481         * config/xtensa/xtensa.c (xtensa_mem_offset): Check that both
 482         words of E_DImode object are reachable by xtensa_uimm8x4 access.
 483
 484 2017-09-11  Vidya Praveen  <vidyapraveen@arm.com>
 485
 486         Revert r251800 and r251799.
 487
 488 2017-09-11  Martin Jambor  <mjambor@suse.cz>
 489
 490         PR hsa/82119
 491         * hsa-gen.c (gen_hsa_phi_from_gimple_phi): Process ADDR_EXPRs in
 492         arguments in advance.
 493         * hsa-regalloc.c (naive_process_phi): New parameter predecessors,
 494         use it to find predecessor edges.
 495         (naive_outof_ssa): Collect vector of predecessors.
 496
 497 2017-09-08  Jason Merrill  <jason@redhat.com>
 498
 499         PR c++/70029 - ICE with ref-qualifier and -flto
 500         * langhooks.h (struct lang_hooks_for_types): Add
 501         copy_lang_qualifiers.
 502         * attribs.c (build_type_attribute_qual_variant): Use it.
 503         * langhooks-def.h (LANG_HOOKS_COPY_LANG_QUALIFIERS): Default to
 504         NULL.
 505         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
 506         * tree.c (verify_type): Re-enable TYPE_CANONICAL main variant check.
 507
 508 2017-09-08  Eric Botcazou  <ebotcazou@adacore.com>
 509
 510         PR target/81988
 511         * config/sparc/sparc.md (mulsi3): Rename into *mulsi3_sp32.
 512         (*mulsi3_sp64): New instruction.
 513         (mulsi3): New expander.
 514
 515 2017-09-08  Uros Bizjak  <ubizjak@gmail.com>
 516
 517         * config/alpha/alpha.c (alpha_print_operand) <case 'S'>: Remove.
 518
 519 2017-09-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 520
 521         * sancov.c: Include memmodel.h.
 522
 523 2017-09-07  Eric Botcazou  <ebotcazou@adacore.com>
 524
 525         PR target/80897
 526         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): Deal with too
 527         large offsets.
 528
 529 2017-09-07  Carl Love  <cel@us.ibm.com>
 530
 531         * config/rs6000/vsx.md (define_insn "*stxvl"): Add missing argument to
 532         the sldi instruction.
 533
 534 2017-09-07  David Edelsohn  <dje.gcc@gmail.com>
 535
 536         * sancov.c: Include tm_p.h.
 537
 538 2017-09-07  Jakub Jelinek  <jakub@redhat.com>
 539
 540         PR target/81979
 541         * output.h (switch_to_other_text_partition): New declaration.
 542         * varasm.c (switch_to_other_text_partition): New function.
 543         * config/rs6000/rs6000.c (uses_TOC): Return 2 if
 544         NOTE_INSN_SWITCH_TEXT_SECTIONS is seen before finding load_toc_* insn.
 545         (rs6000_elf_declare_function_name): If uses_TOC returned 2, switch
 546         to the other text partition before emitting LCL label and switch back
 547         after emitting the word after it.
 548
 549 2017-09-07  Richard Biener  <rguenther@suse.de>
 550
 551         * passes.def (pass_split_crit_edges): Remove instance before PRE.
 552         * tree-ssa-pre.c (pass_pre::execute): Instead manually split
 553         critical edges here, after loop init.
 554         (pass_data_pre): Remove PROP_no_crit_edges flags.
 555         * tree-ssa-sccvn.c (vn_reference_lookup_3): Use vn_valueize
 556         for valueization of call args to avoid leaking VN_TOP.
 557         (visit_use): Assert we do not visit default defs.
 558         (init_scc_vn): Use build_decl for VN_TOP to make name nicer.
 559         Use error_mark_node to more easily detect leaking VN_TOP.
 560         All default-defs are varying, not VN_TOP.  Mark them visited.
 561         (run_scc_vn): Make code match comment.
 562
 563 2017-09-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
 564
 565         * config/rs6000/rs6000-cpus.def (OTHER_VSX_VECTOR_MASKS): Delete
 566         OPTION_MASK_FLOAT128_KEYWORD.
 567         (POWERPC_MASKS): Likewise.
 568         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Delete
 569         support for the -mfloat128-type option, and make -mfloat128
 570         default on PowerPC Linux systems.  Define or undefine
 571         __FLOAT128__ and  __FLOAT128_HARDWARE__ for the current options.
 572         Define __float128 to be __ieee128 if IEEE 128-bit support is
 573         enabled, or undefine it.
 574         (rs6000_cpu_cpp_builtins): Delete defining __FLOAT128__ here.
 575         Delete defining __FLOAT128_TYPE__.
 576         * config/rs6000/rs6000.opt (x_TARGET_FLOAT128_TYPE): Delete the
 577         -mfloat128-type option and make -mfloat128 default on PowerPC
 578         Linux systems.
 579         (TARGET_FLOAT128_TYPE): Likewise.
 580         (-mfloat128-type): Likewise.
 581         * config/rs6000/rs6000.c (rs6000_option_override_internal):
 582         Delete the -mfloat128-type option and make -mfloat128 default on
 583         PowerPC Linux systems.  Always use __ieee128 to be the keyword for
 584         the IEEE 128-bit type, and map __float128 to __ieee128 if IEEE
 585         128-bit floating point is enabled.  Change tests from using
 586         -mfloat128-type to -mfloat128.
 587         (rs6000_mangle_type): Use the correct mangling for the __float128
 588         type even if normal long double is restricted to 64-bits.
 589         (floatn_mode): Enable the _Float128 type by default on VSX Linux
 590         systems.
 591         * config/rs6000/rs6000.h (MASK_FLOAT128_TYPE): Delete.
 592         (MASK_FLOAT128_KEYWORD): Define new shortcut macro.
 593         (RS6000BTM_FLOAT128): Define in terms of -mfloat128, not
 594         -mfloat128-type.
 595         * doc/invoke.texi (RS/6000 and PowerPC Options): Update
 596         documentation for -mfloat128.
 597
 598 2017-09-06  Olivier Hainque  <hainque@adacore.com>
 599
 600         * config.gcc (powerpc-wrs-vxworksspe): Now match as vxworks*spe.
 601
 602 2017-09-06  Wish Wu  <wishwu007@gmail.com>
 603             Jakub Jelinek  <jakub@redhat.com>
 604
 605         * asan.c (initialize_sanitizer_builtins): Add
 606         BT_FN_VOID_UINT8_UINT8, BT_FN_VOID_UINT16_UINT16,
 607         BT_FN_VOID_UINT32_UINT32, BT_FN_VOID_UINT64_UINT64,
 608         BT_FN_VOID_FLOAT_FLOAT, BT_FN_VOID_DOUBLE_DOUBLE and
 609         BT_FN_VOID_UINT64_PTR variables.
 610         * builtin-types.def (BT_FN_VOID_UINT8_UINT8): New fn type.
 611         (BT_FN_VOID_UINT16_UINT16): Likewise.
 612         (BT_FN_VOID_UINT32_UINT32): Likewise.
 613         (BT_FN_VOID_FLOAT_FLOAT): Likewise.
 614         (BT_FN_VOID_DOUBLE_DOUBLE): Likewise.
 615         (BT_FN_VOID_UINT64_PTR): Likewise.
 616         * common.opt (flag_sanitize_coverage): New variable.
 617         (fsanitize-coverage=trace-pc): Remove.
 618         (fsanitize-coverage=): Add.
 619         * flag-types.h (enum sanitize_coverage_code): New enum.
 620         * fold-const.c (fold_range_test): Disable non-short-circuit
 621         optimization if flag_sanitize_coverage.
 622         (fold_truth_andor): Likewise.
 623         * tree-ssa-ifcombine.c (ifcombine_ifandif): Likewise.
 624         * opts.c (COVERAGE_SANITIZER_OPT): Define.
 625         (coverage_sanitizer_opts): New array.
 626         (get_closest_sanitizer_option): Add OPTS argument, handle also
 627         OPT_fsanitize_coverage_.
 628         (parse_sanitizer_options): Adjusted to also handle
 629         OPT_fsanitize_coverage_.
 630         (common_handle_option): Add OPT_fsanitize_coverage_.
 631         * sancov.c (instrument_comparison, instrument_switch): New function.
 632         (sancov_pass): Add trace-cmp support.
 633         * sanitizer.def (BUILT_IN_SANITIZER_COV_TRACE_CMP1,
 634         BUILT_IN_SANITIZER_COV_TRACE_CMP2, BUILT_IN_SANITIZER_COV_TRACE_CMP4,
 635         BUILT_IN_SANITIZER_COV_TRACE_CMP8,
 636         BUILT_IN_SANITIZER_COV_TRACE_CONST_CMP1,
 637         BUILT_IN_SANITIZER_COV_TRACE_CONST_CMP2,
 638         BUILT_IN_SANITIZER_COV_TRACE_CONST_CMP4,
 639         BUILT_IN_SANITIZER_COV_TRACE_CONST_CMP8,
 640         BUILT_IN_SANITIZER_COV_TRACE_CMPF, BUILT_IN_SANITIZER_COV_TRACE_CMPD,
 641         BUILT_IN_SANITIZER_COV_TRACE_SWITCH): New builtins.
 642         * doc/invoke.texi: Document -fsanitize-coverage=trace-cmp.
 643
 644 2017-09-06  Richard Earnshaw  <rearnsha@arm.com>
 645
 646         * config/arm/parsecpu.awk (fatal): Note that we've encountered an
 647         error.  Only quit immediately if parsing is complete.
 648         (BEGIN): Initialize fatal_err and parse_done.
 649         (begin fpu, end fpu): Check number of arguments.
 650         (begin arch, end arch): Likewise.
 651         (begin cpu, end cpu): Likewise.
 652         (cname, tune for, tune flags, architecture, fpu, option): Likewise.
 653         (optalias): Likewise.
 654
 655 2017-09-06  Richard Earnshaw  <rearnsha@arm.com>
 656
 657         * config.gcc (arm*-*-*): Don't add arm-isa.h to tm_p_file.
 658         * config/arm/arm-isa.h: Delete.  Move definitions to ...
 659         * arm-cpus.in: ... here.  Use new feature and fgroup values.
 660         * config/arm/arm.c (arm_option_override): Use lower case for feature
 661         bit names.
 662         * config/arm/arm.h (TARGET_HARD_FLOAT): Likewise.
 663         (TARGET_VFP3, TARGET_VFP5, TARGET_FMA): Likewise.
 664         * config/arm/parsecpu.awk (END): Add new command 'isa'.
 665         (isa_pfx): Delete.
 666         (print_isa_bits_for): New function.
 667         (gen_isa): New function.
 668         (gen_comm_data): Use print_isa_bits_for.
 669         (define feature): New keyword.
 670         (define fgroup): New keyword.
 671         * config/arm/t-arm (OPTIONS_H_EXTRA): Add arm-isa.h
 672         (arm-isa.h): Add rule to generate file.
 673         * common/config/arm/arm-common.c: (arm_canon_arch_option): Use lower
 674         case for feature bit names.
 675
 676 2017-09-06  Richard Biener  <rguenther@suse.de>
 677
 678         * tree-ssa-pre.c (NECESSARY): Remove.
 679         (create_expression_by_pieces): Do not touch pass-local flags.
 680         (insert_into_preds_of_block): Likewise.
 681         (do_pre_regular_insertion): Likewise.
 682         (eliminate_insert): Likewise.
 683         (eliminate_dom_walker::before_dom_children): Likewise.
 684         (fini_eliminate): Do not look at inserted_exprs.
 685         (mark_operand_necessary): Remove.
 686         (remove_dead_inserted_code): Replace with simple work-list
 687         algorithm based on inserted_exprs and SSA uses.
 688         (pass_pre::execute): Re-order fini_eliminate and
 689         remove_dead_inserted_code.
 690
 691 2017-09-06  Olivier Hainque  <hainque@adacore.com>
 692
 693         * config/powerpcspe/vxworks.h (VXCPU_FOR_8548): Correct definition
 694         for VxWorks 7.  Adjust surrounding comments.
 695
 696 2017-09-06  Richard Biener  <rguenther@suse.de>
 697
 698         * gimple-ssa-strength-reduction.c
 699         (find_candidates_dom_walker::before_dom_children): Also allow
 700         pointer types.
 701
 702 2017-09-06  Richard Biener  <rguenther@suse.de>
 703
 704         PR tree-optimization/82108
 705         * tree-vect-stmts.c (vectorizable_load): Fix pointer adjustment
 706         for gap in the non-permutation SLP case.
 707
 708 2017-09-06  Martin Jambor  <mjambor@suse.cz>
 709
 710         PR tree-optimization/82078
 711         * tree-sra.c (sort_and_splice_var_accesses): Move call to
 712         add_access_to_work_queue...
 713         (build_accesses_from_assign): ...here.
 714         (propagate_all_subaccesses): Make sure racc is the group
 715         representative, if there is one.
 716
 717 2017-09-06  Jakub Jelinek  <jakub@redhat.com>
 718
 719         PR middle-end/82095
 720         * varasm.c (categorize_decl_for_section): Use SECCAT_TBSS for TLS vars with
 721         NULL DECL_INITIAL.
 722
 723 2017-09-06  Richard Biener  <rguenther@suse.de>
 724
 725         * gimple-ssa-strength-reduction.c
 726         (find_candidates_dom_walker::before_doom_children): Use a
 727         type and not a mode check.
 728
 729 2017-09-06  Bernd Edlinger  <bernd.edlinger@hotmail.de>
 730
 731         PR target/77308
 732         * config/arm/predicates.md (arm_general_adddi_operand): Create new
 733         non-vfp predicate.
 734         * config/arm/arm.md (*arm_adddi3, *arm_subdi3): Use new predicates.
 735
 736 2017-09-05  Jeff Law  <law@redhat.com>
 737
 738         PR tree-optimization/64910
 739         * tree-ssa-reassoc.c (reassociate_bb): Restrict last change to
 740         cases where we have 3 or more operands.
 741
 742 2017-09-05  Jakub Jelinek  <jakub@redhat.com>
 743
 744         PR middle-end/81768
 745         * omp-low.c (lower_omp_for): Recompute tree invariant if
 746         gimple_omp_for_initial/final is ADDR_EXPR.
 747
 748         PR middle-end/81768
 749         * omp-expand.c (expand_omp_simd): Force second operands of COND_EXPR
 750         into gimple val before gimplification fo the COND_EXPR.
 751
 752 2017-09-05  Aldy Hernandez  <aldyh@redhat.com>
 753
 754         * tree-ssa-threadupdate.c (duplicate_thread_path): Remove unused
 755         REGION_COPY argument.
 756         (thread_through_all_blocks): Remove unused argument to
 757         duplicate_thread_path.
 758
 759 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
 760             Alan Hayward  <alan.hayward@arm.com>
 761             David Sherwood  <david.sherwood@arm.com>
 762
 763         * config/aarch64/aarch64-protos.h (aarch64_gen_adjusted_ldpstp):
 764         Take a scalar_mode rather than a machine_mode.
 765         (aarch64_operands_adjust_ok_for_ldpstp): Likewise.
 766         * config/aarch64/aarch64.c (aarch64_simd_container_mode): Likewise.
 767         (aarch64_operands_adjust_ok_for_ldpstp): Likewise.
 768         (aarch64_gen_adjusted_ldpstp): Likewise.
 769         (aarch64_expand_vector_init): Use scalar_mode instead of machine_mode.
 770
 771 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
 772             Alan Hayward  <alan.hayward@arm.com>
 773             David Sherwood  <david.sherwood@arm.com>
 774
 775         * config/aarch64/aarch64-protos.h (aarch64_is_extend_from_extract):
 776         Take a scalar_int_mode instead of a machine_mode.
 777         (aarch64_mask_and_shift_for_ubfiz_p): Likewise.
 778         (aarch64_output_scalar_simd_mov_immediate): Likewise.
 779         (aarch64_simd_scalar_immediate_valid_for_move): Likewise.
 780         (aarch64_simd_attr_length_rglist): Delete.
 781         * config/aarch64/aarch64.c (aarch64_is_extend_from_extract): Take
 782         a scalar_int_mode instead of a machine_mode.
 783         (aarch64_add_offset): Likewise.
 784         (aarch64_internal_mov_immediate): Likewise
 785         (aarch64_add_constant_internal): Likewise.
 786         (aarch64_add_constant): Likewise.
 787         (aarch64_movw_imm): Likewise.
 788         (aarch64_rtx_arith_op_extract_p): Likewise.
 789         (aarch64_mask_and_shift_for_ubfiz_p): Likewise.
 790         (aarch64_simd_scalar_immediate_valid_for_move): Likewise.
 791         Remove assert that the mode isn't a vector.
 792         (aarch64_output_scalar_simd_mov_immediate): Likewise.
 793         (aarch64_expand_mov_immediate): Update calls after above changes.
 794         (aarch64_output_casesi): Use as_a <scalar_int_mode>.
 795         (aarch64_and_bitmask_imm): Check for scalar integer modes.
 796         (aarch64_move_imm): Likewise.
 797         (aarch64_can_const_movi_rtx_p): Likewise.
 798         (aarch64_strip_extend): Likewise.
 799         (aarch64_extr_rtx_p): Likewise.
 800         (aarch64_rtx_costs): Likewise, using wode_mode as the mode of
 801         a CONST_INT when the mode parameter is VOIDmode.
 802         (aarch64_float_const_rtx_p): Use scalar_int_mode for a temporary.
 803
 804 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
 805
 806         * machmode.h (bitwise_mode_for_mode): Return opt_mode.
 807         * stor-layout.c (bitwise_mode_for_mode): Likewise.
 808         (bitwise_type_for_mode): Update accordingly.
 809
 810 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
 811
 812         * stor-layout.h (mode_for_size_tree): Return an opt_mode.
 813         * stor-layout.c (mode_for_size_tree): Likewise.
 814         (mode_for_array): Update accordingly.
 815         (layout_decl): Likewise.
 816         (compute_record_mode): Likewise.  Only set the mode once.
 817
 818 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
 819
 820         * target.def (get_mask_mode): Change return type to opt_mode.
 821         Expand commentary.
 822         * doc/tm.texi: Regenerate.
 823         * targhooks.h (default_get_mask_mode): Return an opt_mode.
 824         * targhooks.c (default_get_mask_mode): Likewise.
 825         * config/i386/i386.c (ix86_get_mask_mode): Likewise.
 826         * optabs-query.c (can_vec_mask_load_store_p): Update use of
 827         targetm.get_mask_mode.
 828         * tree.c (build_truth_vector_type): Likewise.
 829
 830 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
 831
 832         * machmode.h (mode_for_vector): Return an opt_mode.
 833         * stor-layout.c (mode_for_vector): Likewise.
 834         (mode_for_int_vector): Update accordingly.
 835         (layout_type): Likewise.
 836         * config/i386/i386.c (emit_memmov): Likewise.
 837         (ix86_expand_set_or_movmem): Likewise.
 838         (ix86_expand_vector_init): Likewise.
 839         (ix86_get_mask_mode): Likewise.
 840         * config/powerpcspe/powerpcspe.c (rs6000_expand_vec_perm_const_1):
 841         Likewise.
 842         * config/rs6000/rs6000.c (rs6000_expand_vec_perm_const_1): Likewise.
 843         * expmed.c (extract_bit_field_1): Likewise.
 844         * expr.c (expand_expr_real_2): Likewise.
 845         * optabs-query.c (can_vec_perm_p): Likewise.
 846         (can_vec_mask_load_store_p): Likewise.
 847         * optabs.c (expand_vec_perm): Likewise.
 848         * targhooks.c (default_get_mask_mode): Likewise.
 849         * tree-vect-stmts.c (vectorizable_store): Likewise.
 850         (vectorizable_load): Likewise.
 851         (get_vectype_for_scalar_type_and_size): Likewise.
 852
 853 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
 854
 855         * machmode.h (mode_for_int_vector): New function.
 856         * stor-layout.c (mode_for_int_vector): Likewise.
 857         * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Use it.
 858         * config/powerpcspe/powerpcspe.c (rs6000_do_expand_vec_perm): Likewise.
 859         * config/rs6000/rs6000.c (rs6000_do_expand_vec_perm): Likewise.
 860         * config/s390/s390.c (s390_expand_vec_compare_cc): Likewise.
 861         (s390_expand_vcond): Likewise.
 862
 863 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
 864
 865         * machmode.h (opt_machine_mode): New type.
 866         (opt_mode<T>): Allow construction from anything that can be
 867         converted to a T.
 868         (is_a, as_a, dyn_cast): Add overloads for opt_mode.
 869         (mode_for_size): Return an opt_machine_mode.
 870         * stor-layout.c (mode_for_size): Likewise.
 871         (mode_for_size_tree): Update call accordingly.
 872         (bitwise_mode_for_mode): Likewise.
 873         (make_fract_type): Likewise.
 874         (make_accum_type): Likewise.
 875         * caller-save.c (replace_reg_with_saved_mem): Update call
 876         accordingly.
 877         * config/alpha/alpha.h (SECONDARY_MEMORY_NEEDED_MODE): Likewise.
 878         * config/i386/i386.h (SECONDARY_MEMORY_NEEDED_MODE): Likewise.
 879         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED_MODE): Likewise.
 880         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_MODE): Likewise.
 881         * expmed.c (extract_bit_field_1): Likewise.
 882         * reload.c (get_secondary_mem): Likewise.
 883         * varasm.c (assemble_integer): Likewise.
 884         * lower-subreg.c (simplify_subreg_concatn): Likewise.  Move
 885         early-out.
 886
 887 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
 888
 889         * machmode.h (decimal_float_mode_for_size): New function.
 890         * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use float_mode_for_size.
 891         (REAL_VALUE_TO_TARGET_DOUBLE): Likewise.
 892         (REAL_VALUE_TO_TARGET_SINGLE): Likewise.
 893         (REAL_VALUE_TO_TARGET_DECIMAL128): Use decimal_float_mode_for_size.
 894         (REAL_VALUE_TO_TARGET_DECIMAL64): Likewise.
 895         (REAL_VALUE_TO_TARGET_DECIMAL32): Likewise.
 896
 897 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
 898
 899         * builtins.c (expand_builtin_powi): Use int_mode_for_size.
 900         (get_builtin_sync_mode): Likewise.
 901         (expand_ifn_atomic_compare_exchange): Likewise.
 902         (expand_builtin_atomic_clear): Likewise.
 903         (expand_builtin_atomic_test_and_set): Likewise.
 904         (fold_builtin_atomic_always_lock_free): Likewise.
 905         * calls.c (compute_argument_addresses): Likewise.
 906         (emit_library_call_value_1): Likewise.
 907         (store_one_arg): Likewise.
 908         * combine.c (combine_instructions): Likewise.
 909         * config/aarch64/aarch64.c (aarch64_function_value): Likewise.
 910         * config/arm/arm.c (arm_function_value): Likewise.
 911         (aapcs_allocate_return_reg): Likewise.
 912         * config/c6x/c6x.c (c6x_expand_movmem): Likewise.
 913         * config/i386/i386.c (construct_container): Likewise.
 914         (ix86_gimplify_va_arg): Likewise.
 915         (ix86_expand_sse_cmp): Likewise.
 916         (emit_memmov): Likewise.
 917         (emit_memset): Likewise.
 918         (expand_small_movmem_or_setmem): Likewise.
 919         (ix86_expand_pextr): Likewise.
 920         (ix86_expand_pinsr): Likewise.
 921         * config/lm32/lm32.c (lm32_block_move_inline): Likewise.
 922         * config/microblaze/microblaze.c (microblaze_block_move_straight):
 923         Likewise.
 924         * config/mips/mips.c (mips_function_value_1) Likewise.
 925         (mips_block_move_straight): Likewise.
 926         (mips_expand_ins_as_unaligned_store): Likewise.
 927         * config/powerpcspe/powerpcspe.c
 928         (rs6000_darwin64_record_arg_advance_flush): Likewise.
 929         (rs6000_darwin64_record_arg_flush): Likewise.
 930         * config/rs6000/rs6000.c
 931         (rs6000_darwin64_record_arg_advance_flush): Likewise.
 932         (rs6000_darwin64_record_arg_flush): Likewise.
 933         * config/sparc/sparc.c (sparc_function_arg_1): Likewise.
 934         (sparc_function_value_1): Likewise.
 935         * config/spu/spu.c (adjust_operand): Likewise.
 936         (spu_emit_branch_or_set): Likewise.
 937         (arith_immediate_p): Likewise.
 938         * emit-rtl.c (gen_lowpart_common): Likewise.
 939         * expr.c (expand_expr_real_1): Likewise.
 940         * function.c (assign_parm_setup_block): Likewise.
 941         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): Likewise.
 942         * reload1.c (alter_reg): Likewise.
 943         * stor-layout.c (mode_for_vector): Likewise.
 944         (layout_type): Likewise.
 945
 946 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
 947
 948         * config/spu/spu.c (exp2_immediate_p): Use int_mode_for_mode.
 949         (spu_convert_move): Likewise.
 950         * lower-subreg.c (resolve_simple_move): Likewise.
 951
 952 2017-09-05  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 953
 954         PR target/81833
 955         * config/rs6000/altivec.md (altivec_vsum2sws): Convert from a
 956         define_insn to a define_expand.
 957         (altivec_vsum2sws_direct): New define_insn.
 958         (altivec_vsumsws): Convert from a define_insn to a define_expand.
 959
 960 2017-09-05  Wilco Dijkstra  <wdijkstr@arm.com>
 961
 962         * config/arm/arm.c (arm_option_params_internal): Improve setting of
 963         max_insns_skipped.
 964
 965 2017-09-05  H.J. Lu  <hongjiu.lu@intel.com>
 966
 967         PR target/59501
 968         PR target/81624
 969         PR target/81769
 970         * config/i386/i386.c (ix86_finalize_stack_frame_flags): Don't
 971         realign stack if stack alignment needed is less than incoming
 972         stack boundary.
 973
 974 2017-09-05  Marek Polacek  <polacek@redhat.com>
 975
 976         PR sanitizer/82072
 977         * convert.c (convert_to_integer_1) <case NEGATE_EXPR>: Move the ubsan
 978         check earlier.
 979
 980 2017-09-05  Wilco Dijkstra  <wdijkstr@arm.com>
 981
 982         * explow.c (get_dynamic_stack_size): Improve dynamic alignment.
 983
 984 2017-09-05  Richard Biener  <rguenther@suse.de>
 985
 986         PR tree-optimization/82084
 987         * fold-const.c (can_native_encode_string_p): Handle wide characters.
 988
 989 2017-09-05  Richard Biener  <rguenther@suse.de>
 990
 991         PR tree-optimization/82102
 992         * tree-ssa-pre.c (fini_eliminate): Check if lhs is NULL.
 993
 994 2017-09-05  Martin Liska  <mliska@suse.cz>
 995
 996         PR tree-optimization/82032
 997         * tree-cfg.c (generate_range_test): New function.
 998         * tree-cfg.h (generate_range_test): Declared here.
 999         * tree-cfgcleanup.c (convert_single_case_switch): New function.
1000         (cleanup_control_expr_graph): Use it.
1001         * tree-switch-conversion.c (try_switch_expansion): Remove
1002         assert.
1003         (emit_case_nodes): Use generate_range_test.
1004
1005 2017-09-04  Uros Bizjak  <ubizjak@gmail.com>
1006
1007         PR target/82098
1008         * config/i386/i386.md (*<btsc><mode>_mask): Add
1009         TARGET_USE_BT to insn constraint.
1010         (*btr<mode>_mask): Ditto.
1011
1012 2017-09-04  Wilco Dijkstra  <wdijkstr@arm.com>
1013
1014         * config/arm/arm.c (arm_legitimate_index_p): Add comment.
1015         (thumb2_legitimate_index_p): Use correct range for DI/DF mode.
1016
1017 2017-09-04  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1018
1019         PR target/77308
1020         * config/arm/arm.md (*arm_adddi3, *arm_subdi3): Split early except for
1021         TARGET_NEON and TARGET_IWMMXT.
1022         (anddi3, iordi3, xordi3, one_cmpldi2): Split while expanding except for
1023         TARGET_NEON and TARGET_IWMMXT.
1024         (*one_cmpldi2_insn): Moved the body of one_cmpldi2 here.
1025
1026 2017-09-04  Uros Bizjak  <ubizjak@gmail.com>
1027
1028         * config/i386/i386-protos.h (ix86_tls_address_pattern_p) New prototype.
1029         (ix86_rewrite_tls_address): Ditto.
1030         * config/i386/i386.c (ix86_tls_address_pattern_p) New function.
1031         (ix86_rewrite_tls_address_1): Ditto.
1032         (ix86_rewrite_tls_address): Ditto.
1033         * config/i386/predicates.md (tls_address_pattern): New predicate.
1034         * config/i386/i386.md (TLS address splitter): New splitter.
1035
1036 2017-09-04  Richard Biener  <rguenther@suse.de>
1037
1038         PR tree-optimization/82084
1039         * fold-const.h (can_native_encode_string_p): Declare.
1040         * fold-const.c (can_native_encode_string_p): Factor out from ...
1041         (native_encode_string): ... here.
1042         * tree-vect-stmts.c (vectorizable_store): Call it to avoid
1043         vectorizing stores from constants we later cannot handle.
1044
1045 2017-09-04  Marek Polacek  <polacek@redhat.com>
1046
1047         PR c/81783
1048         * doc/invoke.texi: Update -Wtautological-compare documentation.
1049
1050 2017-09-04  Jeff Law  <law@redhat.com>
1051
1052         PR tree-optimization/64910
1053         * tree-ssa-reassoc.c (reassociate_bb): For bitwise binary ops,
1054         swap the first and last operand if the last is a constant.
1055
1056 2017-09-04  Marek Polacek  <polacek@redhat.com>
1057
1058         PR sanitizer/82072
1059         * convert.c (do_narrow): When sanitizing signed integer overflows,
1060         bail out for signed types.
1061         (convert_to_integer_1) <case NEGATE_EXPR>: Likewise.
1062
1063 2017-09-04  Richard Biener  <rguenther@suse.de>
1064
1065         PR tree-optimization/82060
1066         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
1067         Move devirtualization after stmt folding and before EH/AB/noreturn
1068         cleanup to get the stmt refs canonicalized.  Use a bool instead
1069         of gimple_modified_p since that doesn't work for NOPs.  Schedule
1070         NOPs generated by folding for removal.
1071
1072 2017-09-04  Richard Sandiford  <richard.sandiford@linaro.org>
1073             Alan Hayward  <alan.hayward@arm.com>
1074             David Sherwood  <david.sherwood@arm.com>
1075
1076         * coretypes.h (pad_direction): New enum.
1077         * defaults.h (DEFAULT_FUNCTION_ARG_PADDING): Delete.
1078         (FUNCTION_ARG_PADDING): Likewise.
1079         * target.def (function_arg_padding): New hook.
1080         * targhooks.h (default_function_arg_padding): Declare.
1081         * targhooks.c (default_function_arg_padding): New function.
1082         * doc/tm.texi.in (FUNCTION_ARG_PADDING): Replace with...
1083         (TARGET_FUNCTION_ARG_PADDING): ...this.
1084         * doc/tm.texi: Regenerate.
1085         * calls.c (store_unaligned_arguments_into_pseudos): Use pad_direction
1086         instead of direction.
1087         (compute_argument_addresses): Likewise.
1088         (load_register_parameters): Likewise.
1089         (emit_library_call_value_1): Likewise.
1090         (store_one_arg): Use targetm.calls.function_arg_padding instead
1091         of FUNCTION_ARG_PADDING.
1092         (must_pass_in_stack_var_size_or_pad): Likewise.
1093         * expr.c (emit_group_load_1): Use pad_direction instead of direction.
1094         (emit_group_store): Likewise.
1095         (emit_single_push_insn_1): Use targetm.calls.function_arg_padding
1096         instead of FUNCTION_ARG_PADDING.
1097         (emit_push_insn): Likewise, and propagate enum change throughout
1098         function.
1099         * function.h (direction): Delete.
1100         (locate_and_pad_arg_data::where_pad): Use pad_direction instead
1101         of direction.
1102         * function.c (assign_parm_find_stack_rtl): Likewise.
1103         (assign_parm_setup_block_p): Likewise.
1104         (assign_parm_setup_block): Likewise.
1105         (gimplify_parameters): Likewise.
1106         (locate_and_pad_parm): Use targetm.calls.function_arg_padding
1107         instead of FUNCTION_ARG_PADDING, and propagate enum change throughout
1108         function.
1109         * config/aarch64/aarch64.h (FUNCTION_ARG_PADDING): Delete.
1110         (BLOCK_REG_PADDING): Use pad_direction instead of direction.
1111         * config/aarch64/aarch64-protos.h (aarch64_pad_arg_upward): Delete.
1112         * config/aarch64/aarch64.c (aarch64_pad_arg_upward): Replace with...
1113         (aarch64_function_arg_padding): ...this new function.
1114         (aarch64_gimplify_va_arg_expr): Use pad_direction instead of direction.
1115         (TARGET_FUNCTION_ARG_PADDING): Redefine.
1116         * config/arm/arm.h (FUNCTION_ARG_PADDING): Delete.
1117         (BLOCK_REG_PADDING): Use pad_direction instead of direction.
1118         * config/arm/arm-protos.h (arm_pad_arg_upward): Delete.
1119         * config/arm/arm.c (TARGET_FUNCTION_ARG_PADDING): Redefine.
1120         (arm_pad_arg_upward): Replace with...
1121         (arm_function_arg_padding): ...this new function.
1122         * config/c6x/c6x.h (BLOCK_REG_PADDING): Use pad_direction instead
1123         of direction.
1124         * config/ia64/hpux.h (FUNCTION_ARG_PADDING): Delete.
1125         * config/ia64/ia64-protos.h (ia64_hpux_function_arg_padding): Delete.
1126         * config/ia64/ia64.c (TARGET_FUNCTION_ARG_PADDING): Redefine.
1127         (ia64_hpux_function_arg_padding): Replace with...
1128         (ia64_function_arg_padding): ...this new function.  Use pad_direction
1129         instead of direction.  Check for TARGET_HPUX.
1130         * config/iq2000/iq2000.h (FUNCTION_ARG_PADDING): Delete.
1131         * config/iq2000/iq2000.c (TARGET_FUNCTION_ARG_PADDING): Redefine.
1132         (iq2000_function_arg_padding): New function.
1133         * config/mips/mips-protos.h (mips_pad_arg_upward): Delete.
1134         * config/mips/mips.c (mips_pad_arg_upward): Replace with...
1135         (mips_function_arg_padding): ...this new function.
1136         (mips_pad_reg_upward): Update accordingly.
1137         (TARGET_FUNCTION_ARG_PADDING): Redefine.
1138         * config/mips/mips.h (PAD_VARARGS_DOWN): Use
1139         targetm.calls.function_arg_padding.
1140         (FUNCTION_ARG_PADDING): Delete.
1141         (BLOCK_REG_PADDING): Use pad_direction instead of direction.
1142         * config/nios2/nios2.h (FUNCTION_ARG_PADDING): Delete.
1143         (PAD_VARARGS_DOWN): Use targetm.calls.function_arg_padding.
1144         * config/nios2/nios2-protos.h (nios2_function_arg_padding): Delete.
1145         (nios2_block_reg_padding): Return pad_direction instead of direction.
1146         * config/nios2/nios2.c (nios2_block_reg_padding): Return pad_direction
1147         instead of direction.
1148         (nios2_function_arg_padding): Likewise.  Make static.
1149         (TARGET_FUNCTION_ARG_PADDING): Redefine.
1150         * config/pa/pa.h (FUNCTION_ARG_PADDING): Delete.
1151         (BLOCK_REG_PADDING): Use targetm.calls.function_arg_padding.
1152         * config/pa/pa-protos.h (pa_function_arg_padding): Delete.
1153         * config/pa/pa.c (TARGET_FUNCTION_ARG_PADDING): Redefine.
1154         (pa_function_arg_padding): Make static.  Return pad_direction instead
1155         of direction.
1156         * config/powerpcspe/powerpcspe.h (FUNCTION_ARG_PADDING): Delete.
1157         (PAD_VARARGS_DOWN): Use targetm.calls.function_arg_padding.
1158         * config/powerpcspe/aix.h (BLOCK_REG_PADDING): Use pad_direction
1159         instead of direction.  Use targetm.calls.function_arg_padding.
1160         * config/powerpcspe/darwin.h (BLOCK_REG_PADDING): Likewise.
1161         * config/powerpcspe/freebsd64.h (BLOCK_REG_PADDING): Likewise.
1162         * config/powerpcspe/linux64.h (BLOCK_REG_PADDING): Likewise.
1163         * config/powerpcspe/powerpcspe-protos.h (function_arg_padding): Delete.
1164         * config/powerpcspe/powerpcspe.c (TARGET_FUNCTION_ARG_PADDING):
1165         Redefine.
1166         (function_arg_padding): Rename to...
1167         (rs6000_function_arg_padding): ...this.  Make static.  Return
1168         pad_direction instead of direction.
1169         (rs6000_return_in_msb): Use rs6000_function_arg_padding.
1170         * config/rs6000/rs6000.h (FUNCTION_ARG_PADDING): Delete.
1171         (PAD_VARARGS_DOWN): Use targetm.calls.function_arg_padding.
1172         * config/rs6000/aix.h (BLOCK_REG_PADDING): Use pad_direction
1173         instead of direction.  Use targetm.calls.function_arg_padding.
1174         * config/rs6000/darwin.h (BLOCK_REG_PADDING): Likewise.
1175         * config/rs6000/freebsd64.h (BLOCK_REG_PADDING): Likewise.
1176         * config/rs6000/linux64.h (BLOCK_REG_PADDING): Likewise.
1177         * config/rs6000/rs6000-protos.h (function_arg_padding): Delete.
1178         * config/rs6000/rs6000.c (TARGET_FUNCTION_ARG_PADDING): Redefine.
1179         (function_arg_padding): Rename to...
1180         (rs6000_function_arg_padding): ...this.  Make static.  Return
1181         pad_direction instead of direction.
1182         (rs6000_return_in_msb): Use rs6000_function_arg_padding.
1183         * config/s390/s390.h (FUNCTION_ARG_PADDING): Delete.
1184         * config/s390/s390.c (s390_function_arg_padding): New function.
1185         (TARGET_FUNCTION_ARG_PADDING): Redefine.
1186         * config/sparc/sparc.h (FUNCTION_ARG_PADDING): Delete.
1187         * config/sparc/sparc-protos.h (function_arg_padding): Delete.
1188         * config/sparc/sparc.c (TARGET_FUNCTION_ARG_PADDING): Redefine.
1189         (function_arg_padding): Rename to...
1190         (sparc_function_arg_padding): ...this.  Make static.  Return
1191         pad_direction instead of direction.
1192         * config/spu/spu.h (FUNCTION_ARG_PADDING): Delete.
1193         * config/spu/spu.c (spu_function_arg_padding): New function.
1194         (TARGET_FUNCTION_ARG_PADDING): Redefine.
1195         * system.h (FUNCTION_ARG_PADDING): Poison.
1196
1197 2017-09-04  Richard Sandiford  <richard.sandiford@linaro.org>
1198             Alan Hayward  <alan.hayward@arm.com>
1199             David Sherwood  <david.sherwood@arm.com>
1200
1201         * target.def (modes_tieable_p): New hook.
1202         * doc/tm.texi (MODES_TIEABLE_P): Replace with...
1203         (TARGET_MODES_TIEABLE_P): ...this.
1204         * doc/tm.texi.in: Regenerate.
1205         * hooks.h (hook_bool_mode_mode_true): Declare.
1206         * hooks.c (hook_bool_mode_mode_true): New function.
1207         * combine.c (subst): Use targetm.modes_tieable_p instead of
1208         MODES_TIEABLE_P.
1209         * dse.c (find_shift_sequence): Likewise.
1210         * expmed.c (extract_low_bits): Likewise.
1211         * lower-subreg.c: Include target.h.
1212         (find_decomposable_subregs): Use targetm.modes_tieable_p instead of
1213         MODES_TIEABLE_P.
1214         * rtlanal.c (rtx_cost): Likewise.
1215         * config/aarch64/aarch64.h (MODES_TIEABLE_P): Delete.
1216         * config/aarch64/aarch64-protos.h (aarch64_modes_tieable_p): Delete.
1217         * config/aarch64/aarch64.c (aarch64_modes_tieable_p): Make static.
1218         (TARGET_MODES_TIEABLE_P): Redefine.
1219         * config/alpha/alpha.h (MODES_TIEABLE_P): Delete.
1220         * config/alpha/alpha.c (alpha_modes_tieable_p): New function.
1221         (TARGET_MODES_TIEABLE_P): Redefine.
1222         * config/arc/arc.h (MODES_TIEABLE_P): Delete.
1223         * config/arc/arc.c (TARGET_MODES_TIEABLE_P): Redefine.
1224         (arc_modes_tieable_p): New function.
1225         * config/arm/arm.h (MODES_TIEABLE_P): Delete.
1226         * config/arm/arm-protos.h (arm_modes_tieable_p): Delete.
1227         * config/arm/arm.c (TARGET_MODES_TIEABLE_P): Redefine.
1228         (arm_modes_tieable_p): Make static.
1229         * config/avr/avr.h (MODES_TIEABLE_P): Delete.
1230         * config/bfin/bfin.h (MODES_TIEABLE_P): Delete.
1231         * config/bfin/bfin.c (bfin_modes_tieable_p): New function.
1232         (TARGET_MODES_TIEABLE_P): Redefine.
1233         * config/c6x/c6x.h (MODES_TIEABLE_P): Delete.
1234         * config/c6x/c6x.c (c6x_modes_tieable_p): New function.
1235         (TARGET_MODES_TIEABLE_P): Redefine.
1236         * config/cr16/cr16.h (MODES_TIEABLE_P): Delete.
1237         * config/cr16/cr16.c (TARGET_MODES_TIEABLE_P): Redefine.
1238         (cr16_modes_tieable_p): New function.
1239         * config/cris/cris.h (MODES_TIEABLE_P): Delete.
1240         * config/epiphany/epiphany.h (MODES_TIEABLE_P): Delete.
1241         * config/fr30/fr30.h (MODES_TIEABLE_P): Delete.
1242         (TRULY_NOOP_TRUNCATION): Update comment.
1243         * config/frv/frv.h (MODES_TIEABLE_P): Delete.
1244         (TRULY_NOOP_TRUNCATION): Update comment.
1245         * config/frv/frv.c (TARGET_MODES_TIEABLE_P): Redefine.
1246         (frv_modes_tieable_p): New function.
1247         * config/ft32/ft32.h (MODES_TIEABLE_P): Delete.
1248         * config/h8300/h8300.h (MODES_TIEABLE_P): Delete.
1249         * config/h8300/h8300.c (h8300_modes_tieable_p): New function.
1250         (TARGET_MODES_TIEABLE_P): Redefine.
1251         * config/i386/i386.h (MODES_TIEABLE_P): Delete.
1252         * config/i386/i386-protos.h (ix86_modes_tieable_p): Delete.
1253         * config/i386/i386.c (ix86_modes_tieable_p): Make static.
1254         (TARGET_MODES_TIEABLE_P): Redefine.
1255         * config/ia64/ia64.h (MODES_TIEABLE_P): Delete.
1256         * config/ia64/ia64.c (TARGET_MODES_TIEABLE_P): Redefine.
1257         (ia64_modes_tieable_p): New function.
1258         * config/iq2000/iq2000.h (MODES_TIEABLE_P): Delete.
1259         * config/iq2000/iq2000.c (TARGET_MODES_TIEABLE_P): Redefine.
1260         (iq2000_modes_tieable_p): New function.
1261         * config/lm32/lm32.h (MODES_TIEABLE_P): Delete.
1262         * config/lm32/lm32.c (TARGET_MODES_TIEABLE_P): Redefine.
1263         (lm32_modes_tieable_p): New function.
1264         * config/m32c/m32c.h (MODES_TIEABLE_P): Delete.
1265         * config/m32c/m32c-protos.h (m32c_modes_tieable_p): Delete.
1266         * config/m32c/m32c.c (m32c_modes_tieable_p): Make static.
1267         (TARGET_MODES_TIEABLE_P): Redefine.
1268         * config/m32r/m32r.h (MODES_TIEABLE_P): Delete.
1269         * config/m32r/m32r.c (TARGET_MODES_TIEABLE_P): Redefine.
1270         (m32r_modes_tieable_p): New function.
1271         * config/m68k/m68k.h (MODES_TIEABLE_P): Delete.
1272         * config/m68k/m68k.c (TARGET_MODES_TIEABLE_P): Redefine.
1273         (m68k_modes_tieable_p): New function.
1274         * config/mcore/mcore.h (MODES_TIEABLE_P): Delete.
1275         * config/mcore/mcore.c (TARGET_MODES_TIEABLE_P): Redefine.
1276         (mcore_modes_tieable_p): New function.
1277         * config/microblaze/microblaze.h (MODES_TIEABLE_P): Delete.
1278         * config/microblaze/microblaze.c (microblaze_modes_tieable_p): New
1279         function.
1280         (TARGET_MODES_TIEABLE_P): Redefine.
1281         * config/mips/mips.h (MODES_TIEABLE_P): Delete.
1282         * config/mips/mips-protos.h (mips_modes_tieable_p): Delete.
1283         * config/mips/mips.c (mips_modes_tieable_p): Make static.
1284         (TARGET_MODES_TIEABLE_P): Redefine.
1285         * config/mmix/mmix.h (MODES_TIEABLE_P): Delete.
1286         * config/mn10300/mn10300.h (MODES_TIEABLE_P): Delete.
1287         * config/mn10300/mn10300-protos.h (mn10300_modes_tieable): Delete.
1288         * config/mn10300/mn10300.c (mn10300_modes_tieable): Rename to...
1289         (mn10300_modes_tieable_p): ...this and make static.
1290         (TARGET_MODES_TIEABLE_P): Redefine.
1291         * config/moxie/moxie.h (MODES_TIEABLE_P): Delete.
1292         * config/msp430/msp430.h (MODES_TIEABLE_P): Delete.
1293         * config/msp430/msp430-protos.h (msp430_modes_tieable_p): Delete.
1294         * config/msp430/msp430.c (TARGET_MODES_TIEABLE_P): Redefine.
1295         (msp430_modes_tieable_p): Make static.
1296         * config/nds32/nds32.h (MODES_TIEABLE_P): Delete.
1297         * config/nds32/nds32.c (nds32_modes_tieable_p): New function.
1298         (TARGET_MODES_TIEABLE_P): Redefine.
1299         * config/nios2/nios2.h (MODES_TIEABLE_P): Delete.
1300         * config/nvptx/nvptx.h (MODES_TIEABLE_P): Delete.
1301         * config/nvptx/nvptx.c (nvptx_modes_tieable_p): New function.
1302         (TARGET_MODES_TIEABLE_P): Redefine.
1303         * config/pa/pa.h (MODES_TIEABLE_P): Delete.
1304         * config/pa/pa-protos.h (pa_modes_tieable_p): Delete.
1305         * config/pa/pa.c (pa_modes_tieable_p): Make static.
1306         (TARGET_MODES_TIEABLE_P): Redefine.
1307         * config/pdp11/pdp11.h (MODES_TIEABLE_P): Delete.
1308         * config/pdp11/pdp11.c (TARGET_MODES_TIEABLE_P): Redefine.
1309         (pdp11_modes_tieable_p): New function.
1310         * config/powerpcspe/powerpcspe.h (MODES_TIEABLE_P): Delete.
1311         * config/powerpcspe/powerpcspe.c (TARGET_MODES_TIEABLE_P): Redefine.
1312         (rs6000_modes_tieable_p): New function.
1313         (rs6000_debug_reg_global): Use it instead of MODES_TIEABLE_P.
1314         * config/powerpcspe/powerpcspe.md: Update comment.
1315         * config/riscv/riscv.h (MODES_TIEABLE_P): Delete.
1316         * config/riscv/riscv.c (riscv_modes_tieable_p): New function.
1317         (TARGET_MODES_TIEABLE_P): Redefine.
1318         * config/rl78/rl78.h (MODES_TIEABLE_P): Delete.
1319         * config/rl78/rl78.c (TARGET_MODES_TIEABLE_P): Redefine.
1320         (rl78_modes_tieable_p): New function.
1321         * config/rs6000/rs6000.h (MODES_TIEABLE_P): Delete.
1322         * config/rs6000/rs6000.c (TARGET_MODES_TIEABLE_P): Redefine.
1323         (rs6000_modes_tieable_p): New function.
1324         (rs6000_debug_reg_global): Use it instead of MODES_TIEABLE_P.
1325         * config/rs6000/rs6000.md: Update comment.
1326         * config/rx/rx.h (MODES_TIEABLE_P): Delete.
1327         * config/rx/rx.c (rx_modes_tieable_p): New function.
1328         (TARGET_MODES_TIEABLE_P): Redefine.
1329         * config/s390/s390.h (MODES_TIEABLE_P): Delete.
1330         * config/s390/s390.c (s390_modes_tieable_p): New function.
1331         (TARGET_MODES_TIEABLE_P): Redefine.
1332         * config/sh/sh.h (MODES_TIEABLE_P): Delete.
1333         * config/sh/sh.c (TARGET_MODES_TIEABLE_P): Redefine.
1334         (sh_modes_tieable_p): New function.
1335         * config/sparc/sparc.h (MODES_TIEABLE_P): Delete.
1336         * config/sparc/sparc-protos.h (sparc_modes_tieable_p): Delete.
1337         * config/sparc/sparc.c (TARGET_MODES_TIEABLE_P): Redefine.
1338         (sparc_modes_tieable_p): Make static.
1339         * config/spu/spu.h (MODES_TIEABLE_P): Delete.
1340         * config/spu/spu.c (spu_modes_tieable_p): New function.
1341         (TARGET_MODES_TIEABLE_P): Redefine.
1342         * config/stormy16/stormy16.h (MODES_TIEABLE_P): Delete.
1343         * config/stormy16/stormy16.c (xstormy16_modes_tieable_p): New function.
1344         (TARGET_MODES_TIEABLE_P): Redefine.
1345         * config/tilegx/tilegx.h (MODES_TIEABLE_P): Delete.
1346         * config/tilepro/tilepro.h (MODES_TIEABLE_P): Delete.
1347         * config/v850/v850.h (MODES_TIEABLE_P): Delete.
1348         * config/v850/v850.c (v850_modes_tieable_p): New function.
1349         (TARGET_MODES_TIEABLE_P): Redefine.
1350         * config/vax/vax.h (MODES_TIEABLE_P): Delete.
1351         * config/visium/visium.h (MODES_TIEABLE_P): Delete.
1352         * config/visium/visium.c (TARGET_MODES_TIEABLE_P): Redefine.
1353         (visium_modes_tieable_p): New function.
1354         * config/xtensa/xtensa.h (MODES_TIEABLE_P): Delete.
1355         * config/xtensa/xtensa.c (TARGET_MODES_TIEABLE_P): Redefine.
1356         (xtensa_modes_tieable_p): New function.
1357         * system.h (MODES_TIEABLE_P): Poison.
1358
1359 2017-09-04  Richard Sandiford  <richard.sandiford@linaro.org>
1360             Alan Hayward  <alan.hayward@arm.com>
1361             David Sherwood  <david.sherwood@arm.com>
1362
1363         * target.def (hard_regno_mode_ok): New hook.
1364         * doc/tm.texi (HARD_REGNO_MODE_OK): Replace with...
1365         (TARGET_HARD_REGNO_MODE_OK): ...this.
1366         * doc/tm.texi.in: Regenerate.
1367         * hooks.h (hook_bool_uint_mode_true): Declare.
1368         * hooks.c (hook_bool_uint_mode_true): New function.
1369         * doc/md.texi: Refer to targetm.hard_regno_mode_ok instead of
1370         HARD_REGNO_MODE_OK.
1371         * genpreds.c (write_insn_preds_c): Add an include of target.h.
1372         * alias.c (init_alias_target): Use targetm.hard_regno_mode_ok
1373         instead of HARD_REGNO_MODE_OK.
1374         * caller-save.c: Include target.h.
1375         (reg_save_code): Use targetm.hard_regno_mode_ok instead of
1376         HARD_REGNO_MODE_OK.
1377         * combine.c (can_combine_p): Likewise.
1378         (combinable_i3pat): Likewise.
1379         (can_change_dest_mode): Likewise.
1380         * expr.c (init_expr_target): Likewise.
1381         (convert_move): Likewise.
1382         (convert_modes): Likewise.
1383         * ira.c (setup_prohibited_class_mode_regs): Likewise.
1384         (setup_prohibited_mode_move_regs): Likewise.
1385         * ira.h (target_ira): Likewise.
1386         * lra-assigns.c (find_hard_regno_for_1): Likewise.
1387         * lra-constraints.c (process_alt_operands): Likewise.
1388         (split_reg): Likewise.
1389         * recog.c (peep2_find_free_register): Likewise.
1390         * ree.c (combine_reaching_defs): Likewise.
1391         * regcprop.c (maybe_mode_change): Likewise.
1392         * reginfo.c (init_reg_sets_1): Likewise.
1393         (choose_hard_reg_mode): Likewise.
1394         (simplifiable_subregs): Likewise.
1395         * regrename.c (check_new_reg_p): Likewise.
1396         * reload.c (find_valid_class): Likewise.
1397         (find_valid_class_1): Likewise.
1398         (reload_inner_reg_of_subreg): Likewise.
1399         (push_reload): Likewise.
1400         (combine_reloads): Likewise.
1401         (find_dummy_reload): Likewise.
1402         (find_reloads): Likewise.
1403         * reload1.c (find_reg): Likewise.
1404         (set_reload_reg): Likewise.
1405         (allocate_reload_reg): Likewise.
1406         (choose_reload_regs): Likewise.
1407         (reload_adjust_reg_for_temp): Likewise.
1408         * rtlanal.c (subreg_size_offset_from_lsb): Likewise.
1409         (simplify_subreg_regno): Likewise.
1410         * sel-sched.c (init_regs_for_mode): Likewise.
1411         * varasm.c (make_decl_rtl): Likewise.
1412         * config/aarch64/aarch64.h (HARD_REGNO_MODE_OK): Delete.
1413         (MODES_TIEABLE_P): Use targetm.hard_regno_mode_ok instead of
1414         HARD_REGNO_MODE_OK.
1415         * config/aarch64/aarch64-protos.h (aarch64_hard_regno_mode_ok): Delete.
1416         * config/aarch64/aarch64.c (aarch64_hard_regno_mode_ok): Make static.
1417         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1418         * config/alpha/alpha.h (HARD_REGNO_MODE_OK): Delete.
1419         * config/alpha/alpha.c (alpha_hard_regno_mode_ok): New function.
1420         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1421         * config/arc/arc.h (arc_hard_regno_mode_ok): Delete.
1422         (arc_mode_class): Delete.
1423         (HARD_REGNO_MODE_OK): Delete.
1424         * config/arc/arc.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1425         (arc_hard_regno_mode_ok): Rename old array to...
1426         (arc_hard_regno_mode_ok_modes): ...this.
1427         (arc_conditional_register_usage): Update accordingly.
1428         (arc_mode_class): Make static.
1429         (arc_hard_regno_mode_ok): New function.
1430         * config/arm/arm.h (HARD_REGNO_MODE_OK): Delete.
1431         * config/arm/arm-protos.h (arm_hard_regno_mode_ok): Delete.
1432         * config/arm/arm.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1433         (arm_hard_regno_mode_ok): Make static.
1434         * config/arm/arm.md (movdi): Use targetm.hard_regno_mode_ok instead of
1435         HARD_REGNO_MODE_OK.
1436         * config/avr/avr-protos.h (avr_hard_regno_mode_ok): Delete.
1437         * config/avr/avr.h (HARD_REGNO_MODE_OK): Delete.
1438         * config/avr/avr.c (avr_hard_regno_mode_ok): Make static and
1439         return a bool.
1440         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1441         * config/bfin/bfin-protos.h (hard_regno_mode_ok): Delete.
1442         * config/bfin/bfin.h (HARD_REGNO_MODE_OK): Delete.
1443         * config/bfin/bfin.c (hard_regno_mode_ok): Rename to...
1444         (bfin_hard_regno_mode_ok): ...this.  Make static and return a bool.
1445         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1446         * config/bfin/predicates.md (valid_reg_operand): Use
1447         targetm.hard_regno_mode_ok instead of HARD_REGNO_MODE_OK.
1448         * config/c6x/c6x.h (HARD_REGNO_MODE_OK): Delete.
1449         * config/c6x/c6x.c (c6x_hard_regno_mode_ok): New function.
1450         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1451         * config/cr16/cr16.h (HARD_REGNO_MODE_OK): Delete.
1452         * config/cr16/cr16-protos.h (cr16_hard_regno_mode_ok): Delete.
1453         * config/cr16/cr16.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1454         (cr16_hard_regno_mode_ok): Make static and return a bool.
1455         * config/cris/cris.h (HARD_REGNO_MODE_OK): Delete.
1456         * config/cris/cris.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1457         (cris_hard_regno_mode_ok): New function.
1458         * config/epiphany/epiphany.h (epiphany_hard_regno_mode_ok): Delete.
1459         (epiphany_mode_class): Delete.
1460         (HARD_REGNO_MODE_OK): Delete.
1461         * config/epiphany/epiphany-protos.h (hard_regno_mode_ok): Delete.
1462         * config/epiphany/epiphany.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1463         (hard_regno_mode_ok): Rename to...
1464         (epiphany_hard_regno_mode_ok): ...this.  Make static and return a bool.
1465         * config/fr30/fr30.h (HARD_REGNO_MODE_OK): Delete.
1466         * config/fr30/fr30.md: Refer to targetm.hard_regno_mode_ok instead of
1467         HARD_REGNO_MODE_OK.
1468         * config/frv/frv.h (HARD_REGNO_MODE_OK): Delete.
1469         * config/frv/frv-protos.h (frv_hard_regno_mode_ok): Delete.
1470         * config/frv/frv.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1471         (frv_hard_regno_mode_ok): Make static and return a bool.
1472         * config/frv/frv.md: Refer to targetm.hard_regno_mode_ok instead of
1473         HARD_REGNO_MODE_OK.
1474         * config/ft32/ft32.h (HARD_REGNO_MODE_OK): Delete.
1475         * config/h8300/h8300.h (HARD_REGNO_MODE_OK): Delete.
1476         * config/h8300/h8300-protos.h (h8300_hard_regno_mode_ok): Delete.
1477         * config/h8300/h8300.c (h8300_hard_regno_mode_ok): Make static
1478         and return a bool.
1479         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1480         * config/i386/i386.h (HARD_REGNO_MODE_OK): Delete.
1481         * config/i386/i386-protos.h (ix86_hard_regno_mode_ok): Delete.
1482         * config/i386/i386.c (ix86_hard_regno_mode_ok): Make static and
1483         return a bool.
1484         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1485         * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Delete.
1486         * config/ia64/ia64.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1487         (ia64_hard_regno_mode_ok): New function.
1488         * config/iq2000/iq2000.h (HARD_REGNO_MODE_OK): Delete.
1489         * config/iq2000/iq2000.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1490         (iq2000_hard_regno_mode_ok): New function.
1491         * config/lm32/lm32.h (HARD_REGNO_MODE_OK): Delete.
1492         * config/lm32/lm32.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1493         (lm32_hard_regno_mode_ok): New function.
1494         * config/m32c/m32c.h (HARD_REGNO_MODE_OK): Delete.
1495         * config/m32c/m32c-protos.h (m32c_hard_regno_ok): Delete.
1496         * config/m32c/m32c.c (class_can_hold_mode): Use m32c_hard_regno_mode_ok
1497         instead of HARD_REGNO_MODE_OK.
1498         (m32c_hard_regno_ok): Rename to...
1499         (m32c_hard_regno_mode_ok): ...this.  Make static and return a bool.
1500         (m32c_cannot_change_mode_class): Update accordingly.
1501         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1502         * config/m32r/m32r.h (m32r_hard_regno_mode_ok): Delete.
1503         (m32r_mode_class): Delete.
1504         (HARD_REGNO_MODE_OK): Delete.
1505         * config/m32r/m32r.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1506         (m32r_hard_regno_mode_ok): Rename to...
1507         (m32r_hard_regno_modes): ...this.
1508         (m32r_mode_class): Make static.
1509         (m32r_hard_regno_mode_ok): New function.
1510         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Delete.
1511         * config/m68k/m68k-protos.h (m68k_regno_mode_ok): Delete.
1512         * config/m68k/m68k.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1513         (m68k_hard_regno_mode_ok): Make static.
1514         * config/mcore/mcore.h (HARD_REGNO_MODE_OK): Delete.
1515         * config/mcore/mcore.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1516         (mcore_hard_regno_mode_ok): New function.
1517         * config/microblaze/microblaze.h (microblaze_hard_regno_mode_ok)
1518         (HARD_REGNO_MODE_OK): Delete.
1519         * config/microblaze/microblaze.c (microblaze_hard_regno_mode_ok):
1520         Rename to...
1521         (microblaze_hard_regno_mode_ok_p): ...this and make static.
1522         (microblaze_hard_regno_mode_ok): New function.
1523         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1524         * config/mips/mips.h (HARD_REGNO_MODE_OK): Delete.
1525         (mips_hard_regno_mode_ok): Delete.
1526         * config/mips/mips.c (mips_hard_regno_mode_ok): Rename to...
1527         (mips_hard_regno_mode_ok_p): ...this and make static.
1528         (mips_hard_regno_mode_ok_p): Rename to...
1529         (mips_hard_regno_mode_ok_uncached): ...this.
1530         (mips_hard_regno_mode_ok): New function.
1531         (mips_class_max_nregs): Use mips_hard_regno_mode_ok instead
1532         of HARD_REGNO_MODE_OK.
1533         (mips_option_override): Update after above name changes.
1534         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1535         * config/mmix/mmix.h (HARD_REGNO_MODE_OK): Delete.
1536         * config/mn10300/mn10300.h (HARD_REGNO_MODE_OK): Delete.
1537         * config/mn10300/mn10300-protos.h (mn10300_hard_regno_mode_ok): Delete.
1538         * config/mn10300/mn10300.c (mn10300_hard_regno_mode_ok): Make static.
1539         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1540         * config/moxie/moxie.h (HARD_REGNO_MODE_OK): Delete.
1541         * config/msp430/msp430.h (HARD_REGNO_MODE_OK): Delete.
1542         * config/msp430/msp430-protos.h (msp430_hard_regno_mode_ok): Delete.
1543         * config/msp430/msp430.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1544         (msp430_hard_regno_mode_ok): Make static and return a bool.
1545         * config/nds32/nds32.h (HARD_REGNO_MODE_OK): Delete.
1546         * config/nds32/nds32-protos.h (nds32_hard_regno_mode_ok): Delete.
1547         * config/nds32/nds32.c (nds32_hard_regno_mode_ok): Make static
1548         and return a bool.
1549         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1550         * config/nios2/nios2.h (HARD_REGNO_MODE_OK): Delete.
1551         * config/nvptx/nvptx.h (HARD_REGNO_MODE_OK): Delete.
1552         * config/pa/pa.h (MODES_TIEABLE_P): Update commentary.
1553         * config/pa/pa32-regs.h (HARD_REGNO_MODE_OK): Rename to...
1554         (PA_HARD_REGNO_MODE_OK): ...this
1555         * config/pa/pa64-regs.h (HARD_REGNO_MODE_OK): Rename to...
1556         (PA_HARD_REGNO_MODE_OK): ...this.
1557         * config/pa/pa.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1558         (pa_hard_regno_mode_ok): New function.
1559         * config/pdp11/pdp11.h (HARD_REGNO_MODE_OK): Delete.
1560         * config/pdp11/pdp11.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1561         (pdp11_hard_regno_mode_ok): New function.
1562         * config/powerpcspe/powerpcspe.h (HARD_REGNO_MODE_OK): Delete.
1563         * config/powerpcspe/powerpcspe-protos.h (rs6000_hard_regno_mode_ok_p):
1564         Delete.
1565         * config/powerpcspe/powerpcspe.c (rs6000_hard_regno_mode_ok_p):
1566         Make static.
1567         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1568         (rs6000_hard_regno_mode_ok): Rename to...
1569         (rs6000_hard_regno_mode_ok_uncached): ...this.
1570         (rs6000_init_hard_regno_mode_ok): Update accordingly.
1571         (rs6000_hard_regno_mode_ok): New function.
1572         * config/riscv/riscv.h (HARD_REGNO_MODE_OK): Delete.
1573         * config/riscv/riscv-protos.h (riscv_hard_regno_mode_ok_p): Delete.
1574         * config/riscv/riscv.c (riscv_hard_regno_mode_ok_p): Rename to...
1575         (riscv_hard_regno_mode_ok): ...this and make static.
1576         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1577         * config/rl78/rl78.h (HARD_REGNO_MODE_OK): Delete.
1578         * config/rl78/rl78-protos.h (rl78_hard_regno_mode_ok): Delete.
1579         * config/rl78/rl78.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1580         (rl78_hard_regno_mode_ok): Make static and return bool.
1581         * config/rs6000/rs6000.h (HARD_REGNO_MODE_OK): Delete.
1582         * config/rs6000/rs6000-protos.h (rs6000_hard_regno_mode_ok_p):
1583         Delete.
1584         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok_p): Make static.
1585         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1586         (rs6000_hard_regno_mode_ok): Rename to...
1587         (rs6000_hard_regno_mode_ok_uncached): ...this.
1588         (rs6000_init_hard_regno_mode_ok): Update accordingly.
1589         (rs6000_hard_regno_mode_ok): New function.
1590         * config/rx/rx.h (HARD_REGNO_MODE_OK): Delete.
1591         * config/rx/rx.c (rx_hard_regno_mode_ok): New function.
1592         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1593         * config/s390/s390.h (HARD_REGNO_MODE_OK): Delete.
1594         * config/s390/s390-protos.h (s390_hard_regno_mode_ok): Delete.
1595         * config/s390/s390.c (s390_hard_regno_mode_ok): Make static.
1596         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1597         * config/sh/sh.h (HARD_REGNO_MODE_OK): Delete.
1598         * config/sh/sh-protos.h (sh_hard_regno_mode_ok): Delete.
1599         * config/sh/sh.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1600         (sh_hard_regno_mode_ok): Make static.
1601         * config/sparc/constraints.md: Refer to targetm.hard_regno_mode_ok
1602         instead of HARD_REGNO_MODE_OK.
1603         * config/sparc/sparc.h (hard_regno_mode_classes): Delete.
1604         (sparc_mode_class): Delete.
1605         (HARD_REGNO_MODE_OK): Delete.
1606         * config/sparc/sparc.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1607         (hard_regno_mode_classes): Make static.
1608         (sparc_mode_class): Likewise.
1609         (sparc_hard_regno_mode_ok): New function.
1610         * config/spu/spu.h (HARD_REGNO_MODE_OK): Delete.
1611         * config/stormy16/stormy16.h (HARD_REGNO_MODE_OK): Delete.
1612         * config/stormy16/stormy16.c (xstormy16_hard_regno_mode_ok): New
1613         function.
1614         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1615         * config/tilegx/tilegx.h (HARD_REGNO_MODE_OK): Delete.
1616         * config/tilepro/tilepro.h (HARD_REGNO_MODE_OK): Delete.
1617         * config/v850/v850.h (HARD_REGNO_MODE_OK): Delete.
1618         * config/v850/v850.c (v850_hard_regno_mode_ok): New function.
1619         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1620         * config/vax/vax.h (HARD_REGNO_MODE_OK): Delete.
1621         * config/visium/visium.h (HARD_REGNO_MODE_OK): Delete.
1622         * config/visium/visium.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1623         (visium_hard_regno_mode_ok): New function.
1624         * config/visium/visium.md: Refer to targetm.hard_regno_mode_ok
1625         instead of HARD_REGNO_MODE_OK.
1626         * config/xtensa/xtensa.h (xtensa_hard_regno_mode_ok): Delete.
1627         (HARD_REGNO_MODE_OK): Delete.
1628         * config/xtensa/xtensa.c (xtensa_hard_regno_mode_ok): Rename to...
1629         (xtensa_hard_regno_mode_ok_p): ...this and make static.
1630         (xtensa_option_override): Update accordingly.
1631         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1632         (xtensa_hard_regno_mode_ok): New function.
1633         * system.h (HARD_REGNO_MODE_OK): Poison.
1634
1635 2017-09-04  Richard Sandiford  <richard.sandiford@linaro.org>
1636             Alan Hayward  <alan.hayward@arm.com>
1637             David Sherwood  <david.sherwood@arm.com>
1638
1639         * target.def (hard_regno_call_part_clobbered): New hook.
1640         * doc/tm.texi.in (HARD_REGNO_CALL_PART_CLOBBERED): Replace with...
1641         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): ...this hook.
1642         * doc/tm.texi: Regenerate.
1643         * hooks.h (hook_bool_uint_mode_false): Declare.
1644         * hooks.c (hook_bool_uint_mode_false): New function.
1645         * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
1646         * cselib.c (cselib_process_insn): Use
1647         targetm.hard_regno_call_part_clobbered instead of
1648         HARD_REGNO_CALL_PART_CLOBBERED.
1649         * ira-conflicts.c (ira_build_conflicts): Likewise.
1650         * ira-costs.c (ira_tune_allocno_costs): Likewise.
1651         * lra-constraints.c (need_for_call_save_p): Likewise.
1652         * lra-lives.c: Include target.h.
1653         (check_pseudos_live_through_calls): Use
1654         targetm.hard_regno_call_part_clobbered instead of
1655         HARD_REGNO_CALL_PART_CLOBBERED.
1656         * regcprop.c: Include target.h.
1657         (copyprop_hardreg_forward_1): Use
1658         targetm.hard_regno_call_part_clobbered instead of
1659         HARD_REGNO_CALL_PART_CLOBBERED.
1660         * reginfo.c (choose_hard_reg_mode): Likewise.
1661         * regrename.c (check_new_reg_p): Likewise.
1662         * reload.c (find_equiv_reg): Likewise.
1663         * reload1.c (emit_reload_insns): Likewise.
1664         * sched-deps.c (deps_analyze_insn): Likewise.
1665         * sel-sched.c (init_regs_for_mode): Likewise.
1666         (mark_unavailable_hard_regs): Likewise.
1667         * targhooks.c (default_dwarf_frame_reg_mode): Likewise.
1668         * config/aarch64/aarch64.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
1669         * config/aarch64/aarch64.c (aarch64_hard_regno_call_part_clobbered):
1670         New function.
1671         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
1672         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
1673         * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered):
1674         Delete.
1675         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): Make static
1676         and return a bool.
1677         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
1678         * config/i386/i386.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
1679         * config/i386/i386.c (ix86_hard_regno_call_part_clobbered): New
1680         function.
1681         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
1682         * config/mips/mips.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
1683         * config/mips/mips.c (mips_hard_regno_call_part_clobbered): New
1684         function.
1685         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
1686         * config/powerpcspe/powerpcspe.h (HARD_REGNO_CALL_PART_CLOBBERED):
1687         Delete.
1688         * config/powerpcspe/powerpcspe.c
1689         (rs6000_hard_regno_call_part_clobbered): New function.
1690         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
1691         * config/rs6000/rs6000.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
1692         * config/rs6000/rs6000.c (rs6000_hard_regno_call_part_clobbered):
1693         New function.
1694         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
1695         * config/s390/s390.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
1696         * config/s390/s390.c (s390_hard_regno_call_part_clobbered): New
1697         function.
1698         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
1699         * config/sh/sh.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
1700         * system.h (HARD_REGNO_CALL_PART_CLOBBERED): Poison.
1701
1702 2017-09-04  Richard Sandiford  <richard.sandiford@linaro.org>
1703             Alan Hayward  <alan.hayward@arm.com>
1704             David Sherwood  <david.sherwood@arm.com>
1705
1706         * rtl.h (subreg_memory_offset): Declare.
1707         * emit-rtl.c (subreg_memory_offset): New function.
1708         * expmed.c (store_bit_field_1): Use it.
1709         * expr.c (undefined_operand_subword_p): Likewise.
1710         * simplify-rtx.c (simplify_subreg): Likewise.
1711
1712 2017-09-04  Alexander Monakov  <amonakov@ispras.ru>
1713
1714         PR rtl-optimization/57448
1715         PR target/67458
1716         PR target/81316
1717         * optabs.c (expand_atomic_load): Place compiler memory barriers if
1718         using atomic_load pattern.
1719         (expand_atomic_store): Likewise.
1720
1721 2017-09-04  Jakub Jelinek  <jakub@redhat.com>
1722
1723         PR sanitizer/81981
1724         * gimple-fold.c (gimple_fold_call): Optimize away useless UBSAN_PTR
1725         and UBSAN_BOUNDS internal calls.  Clean up IFN_UBSAN_OBJECT_SIZE
1726         handling.  Use replace_call_with_value with NULL instead of
1727         gsi_replace, unlink_stmt_vdef and release_defs.
1728
1729         * gdbhooks.py (OptMachineModePrinter.to_string): Use 8 spaces
1730         instead of tab.
1731
1732         * lra-remat.c (reg_overlap_for_remat_p): Fix a pasto.
1733
1734 2017-09-04  Richard Sandiford  <richard.sandiford@linaro.org>
1735
1736         PR bootstrap/82045
1737         * rtl.h (emit_library_call_value_1): Declare.
1738         (emit_library_call): Replace declaration with a series of overloads.
1739         Remove the parameter count argument.
1740         (emit_library_call_value): Likewise.
1741         * calls.c (emit_library_call_value_1): Make global.  Replace varargs
1742         with an "rtx_mode_t *".
1743         (emit_library_call_value): Delete.
1744         (emit_library_call): Likewise.
1745         * asan.c (asan_emit_stack_protection): Update calls accordingly.
1746         (asan_emit_allocas_unpoison): Likewise.
1747         * builtins.c (expand_builtin_powi): Likewise.
1748         (expand_asan_emit_allocas_unpoison): Likewise.
1749         * cfgexpand.c (expand_main_function): Likewise.
1750         * config/aarch64/aarch64.c (aarch64_trampoline_init): Likewise.
1751         * config/aarch64/aarch64.h (PROFILE_HOOK): Likewise.
1752         * config/alpha/alpha.c (alpha_trampoline_init): Likewise.
1753         * config/arm/arm.c (arm_trampoline_init): Likewise.
1754         (arm_call_tls_get_addr): Likewise.
1755         (arm_expand_divmod_libfunc): Likewise.
1756         * config/bfin/bfin.md (umulsi3_highpart): Likewise.
1757         (smulsi3_highpart): Likewise.
1758         * config/c6x/c6x.c (c6x_initialize_trampoline): Likewise.
1759         (c6x_expand_compare): Likewise.
1760         (c6x_expand_movmem): Likewise.
1761         * config/frv/frv.c (frv_trampoline_init): Likewise.
1762         * config/i386/i386.c (ix86_trampoline_init): Likewise.
1763         (ix86_expand_divmod_libfunc): Likewise.
1764         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
1765         (ia64_expand_compare): Likewise.
1766         (ia64_profile_hook): Likewise.
1767         * config/ia64/ia64.md (save_stack_nonlocal): Likewise.
1768         (nonlocal_goto): Likewise.
1769         (restore_stack_nonlocal): Likewise.
1770         * config/m32r/m32r.c (block_move_call): Likewise.
1771         (m32r_trampoline_init): Likewise.
1772         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Likewise.
1773         * config/m68k/m68k.c (m68k_call_tls_get_addr): Likewise.
1774         (m68k_call_m68k_read_tp): Likewise.
1775         * config/microblaze/microblaze.c (microblaze_call_tls_get_addr)
1776         (microblaze_expand_divide): Likewise.
1777         * config/mips/mips.h (mips_args): Likewise.
1778         * config/mips/sdemtk.h (mips_sync_icache): Likewise.
1779         (MIPS_ICACHE_SYNC): Likewise.
1780         * config/nios2/nios2.c (nios2_emit_expensive_div): Likewise.
1781         (nios2_trampoline_init): Likewise.
1782         * config/pa/pa.c (hppa_tls_call): Likewise.
1783         (pa_trampoline_init): Likewise.
1784         * config/pa/pa.md (canonicalize_funcptr_for_compare): Likewise.
1785         * config/powerpcspe/powerpcspe.c (rs6000_legitimize_tls_address)
1786         (expand_strn_compare): Likewise.
1787         (rs6000_generate_compare): Likewise.
1788         (rs6000_expand_float128_convert): Likewise.
1789         (output_profile_hook): Likewise.
1790         (rs6000_trampoline_init): Likewise.
1791         * config/powerpcspe/powerpcspe.md (neg<mode>2): Likewise.
1792         * config/riscv/riscv.h (PROFILE_HOOK): Likewise.
1793         * config/rs6000/rs6000-string.c (expand_strn_compare): Likewise.
1794         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
1795         (rs6000_generate_compare): Likewise.
1796         (rs6000_expand_float128_convert): Likewise.
1797         (output_profile_hook): Likewise.
1798         (rs6000_trampoline_init): Likewise.
1799         * config/rs6000/rs6000.md (neg<mode>2): Likewise.
1800         * config/sh/sh.c (sh_trampoline_init): Likewise.
1801         * config/sparc/sparc.c (emit_soft_tfmode_libcall): Likewise.
1802         (sparc_emit_float_lib_cmp): Likewise.
1803         (sparc32_initialize_trampoline): Likewise.
1804         (sparc64_initialize_trampoline): Likewise.
1805         (sparc_profile_hook): Likewise.
1806         * config/spu/spu.c (ea_load_store): Likewise.
1807         * config/spu/spu.md (floatunssidf2): Likewise.
1808         * config/tilegx/tilegx.c (tilegx_trampoline_init): Likewise.
1809         * config/tilepro/tilepro.c (tilepro_trampoline_init): Likewise.
1810         * config/visium/visium.c (expand_block_move_4): Likewise.
1811         (expand_block_move_2): Likewise.
1812         (expand_block_move_1): Likewise.
1813         (expand_block_set_4): Likewise.
1814         (expand_block_set_2): Likewise.
1815         (expand_block_set_1): Likewise.
1816         (visium_trampoline_init): Likewise.
1817         (visium_profile_hook): Likewise.
1818         * config/xtensa/xtensa.c (xtensa_expand_nonlocal_goto): Likewise.
1819         (xtensa_setup_frame_addresses): Likewise.
1820         (xtensa_trampoline_init): Likewise.
1821         * except.c (sjlj_emit_function_enter): Likewise.
1822         (sjlj_emit_function_exit): Likewise.
1823         * explow.c (allocate_dynamic_stack_space): Likewise.
1824         (probe_stack_range): Likewise.
1825         * expr.c (convert_mode_scalar): Likewise.
1826         * optabs.c (expand_binop): Likewise.
1827         (expand_twoval_binop_libfunc): Likewise.
1828         (expand_unop): Likewise.
1829         (prepare_cmp_insn): Likewise.
1830         (prepare_float_lib_cmp): Likewise.
1831         (expand_float): Likewise.
1832         (expand_fix): Likewise.
1833         (expand_fixed_convert): Likewise.
1834         (maybe_emit_sync_lock_test_and_set): Likewise.
1835         (expand_atomic_compare_and_swap): Likewise.
1836         (expand_mem_thread_fence): Likewise.
1837         (expand_atomic_fetch_op): Likewise.
1838
1839 2017-09-03  Gerald Pfeifer  <gerald@pfeifer.com>
1840
1841         * doc/generic.texi (OpenACC): Adjust URL.
1842         * doc/invoke.texi (C Dialect Options): Ditto.
1843
1844 2017-09-03  Uros Bizjak  <ubizjak@gmail.com>
1845
1846         * config/i386/i386.md (*bt<mode>): Use nonimmediate_operand
1847         predicate for operand 1.  Add (m,<S>) constraint.
1848         (*jcc_bt<mode>): Use nonimmediate_operand predicate for operand 1.
1849         Prevent memory operand 1 with register operand 2.
1850
1851 2017-09-01  Segher Boessenkool  <segher@kernel.crashing.org>
1852
1853         PR rtl-optimization/82024
1854         * combine.c (try_combine): If the combination result is a PARALLEL,
1855         and we only need to retain the SET in there that would be placed
1856         at I2, check that we can place that at I3 instead, before doing so.
1857
1858 2017-09-01  Jakub Jelinek  <jakub@redhat.com>
1859
1860         PR target/81766
1861         * config/i386/i386.c (ix86_init_large_pic_reg): Return label
1862         instead of void.
1863         (ix86_init_pic_reg): Remember label from ix86_init_large_pic_reg,
1864         if non-NULL and preceded by NOTE_INSN_BASIC_BLOCK, swap the note
1865         and label.
1866
1867 2017-09-01  Joerg Sonnenberger  <joerg@bec.de>
1868             Jeff Law  <law@redhat.com>
1869
1870         * varasm.c (bss_initializer_p): Do not put constants into .bss
1871         (categorize_decl_for_section): Handle bss_initializer_p returning
1872         false when DECL_INITIAL is NULL.
1873
1874 2017-09-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1875
1876         PR target/82012
1877         * config/s390/s390.c (s390_can_inline_p): New function.
1878
1879 2017-09-01  Jeff Law  <law@redhat.com>
1880
1881         PR tree-optimization/82052
1882         * tree-ssa-scopedtables.c (avail_exprs_stack::lookup_avail_expr):
1883         Always initialize the returned slot after a hash table miss
1884         when INSERT is true.
1885
1886 2017-09-01  Alexander Monakov  <amonakov@ispras.ru>
1887
1888         * config/s390/s390.md (mem_signal_fence): Remove.
1889         * doc/md.texi (mem_signal_fence): Remove.
1890         * optabs.c (expand_mem_signal_fence): Remove uses of mem_signal_fence.
1891         Update comments.
1892         * target-insns.def (mem_signal_fence): Remove.
1893
1894 2017-09-01  Jakub Jelinek  <jakub@redhat.com>
1895
1896         PR sanitizer/81902
1897         * doc/invoke.texi: Document -fsanitize=pointer-overflow.
1898
1899         PR sanitizer/81923
1900         * asan.c (create_odr_indicator): Strip name encoding from assembler
1901         name before appending it after __odr_asan_.
1902
1903 2017-09-01  Martin Liska  <mliska@suse.cz>
1904
1905         PR tree-optimization/82059
1906         * gimple-ssa-isolate-paths.c (isolate_path): Add profile and
1907         frequency only when an edge is redirected.
1908
1909 2017-09-01  Claudiu Zissulescu  <claziss@synopsys.com>
1910
1911         * config/arc/arc-c.c (__ARC_LPC_WIDTH__): Add builtin define.
1912         * config/arc/arc.c (ARC_MAX_LOOP_LENGTH): Define.
1913         (arc_conditional_register_usage): Remove ARC600 lp_count
1914         exception.
1915         (arc_file_start): Emit Tag_ARC_CPU_variation.
1916         (arc_can_use_doloop_p): New conditions to use ZOLs.
1917         (hwloop_fail): New function.
1918         (hwloop_optimize): Likewise.
1919         (hwloop_pattern_reg): Likewise.
1920         (arc_doloop_hooks): New struct, to be used with reorg_loops.
1921         (arc_reorg_loops): New function, calls reorg_loops.
1922         (arc_reorg): Call arc_reorg_loops.  Remove old ZOL handling.
1923         (arc600_corereg_hazard): Remove ZOL checking, case handled by
1924         hwloop_optimize.
1925         (arc_loop_hazard): Remove function, functionality moved into
1926         hwloop_optimize.
1927         (arc_hazard): Remove arc_loop_hazard call.
1928         (arc_adjust_insn_length): Remove ZOL handling, functionality moved
1929         into hwloop_optimize.
1930         (arc_label_align): Remove ZOL handling.
1931         * config/arc/arc.h (LOOP_ALIGN): Changed to 0.
1932         * config/arc/arc.md (doloop_begin): Remove pattern.
1933         (doloop_begin_i): Likewise.
1934         (doloop_end_i): Likewise.
1935         (doloop_fallback): Likewise.
1936         (doloop_fallback_m): Likewise.
1937         (doloop_end): Reimplement expand.
1938         (arc_lp): New pattern for LP instruction.
1939         (loop_end): New pattern.
1940         (loop_fail): Likewise.
1941         (decrement_and_branch_until_zero): Likewise.
1942         * config/arc/arc.opt (mlpc-width): New option.
1943         * doc/invoke.texi (mlpc-width): Document option.
1944
1945 2017-09-01  Claudiu Zissulescu  <claziss@synopsys.com>
1946
1947         * config/arc/arc.c (arc_ifcvt): Remove use of merge_blocks call.
1948         (arc_ccfsm_advance): Fix checking for delay slots.
1949         (arc_reorg): Add rtl dump after each call to arc_ifcvt.
1950
1951 2017-09-01  Claudiu Zissulescu  <claziss@synopsys.com>
1952
1953         * config/arc/arc.md (movqi_insn): Add stores to save constant long
1954         immediates.
1955         (movhi_insn): Update store instruction constraint which are saving
1956         6-bit short immediates.
1957         (movsi_insn): Consider also short scaled load operations.
1958         (zero_extendhisi2_i): Use Usd constraint instead of T.
1959         (extendhisi2_i): Add q constraint.
1960         (arc_clzsi2): Add type and length attributes.
1961         (arc_ctzsi2): Likewise.
1962         * config/arc/constraints.md (Usc): Update constraint, the
1963         assembler can parse two relocations for a single instruction.
1964
1965 2017-09-01  Claudiu Zissulescu  <claziss@synopsys.com>
1966
1967         * config/arc/arc.c (arc_use_anchors_for_symbol_p): New function.
1968         (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Define.
1969
1970 2017-08-31  Olivier Hainque  <hainque@adacore.com>
1971
1972         * config.gcc (powerpc-wrs-vxworks|vxworksae|vxworksmils): Now
1973         match as powerpc-wrs-vxworks*.
1974
1975 2017-08-31  James Greenhalgh  <james.greenhalgh@arm.com>
1976
1977         * config/aarch64/aarch64-simd.md (aarch64_mla_elt_merge<mode>): Fix
1978         register constraint for by-element operand.
1979         (aarch64_mls_elt_merge<mode>): Likewise.
1980
1981 2017-08-31  Claudiu Zissulescu  <claziss@synopsys.com>
1982
1983         * config/arc/arc.c (arc_can_follow_jump): Check for short
1984         branches.
1985
1986 2017-08-31  Claudiu Zissulescu  <claziss@synopsys.com>
1987
1988         * config.gcc: Use g.opt for arc.
1989         * config/arc/arc.c (LEGITIMATE_SCALED_ADDRESS_P): Deleted,
1990         functionality moved to ...
1991         (legitimate_scaled_address_p): New function, ...here.
1992         (LEGITIMATE_SMALL_DATA_OFFSET_P): New define.
1993         (LEGITIMATE_SMALL_DATA_ADDRESS_P): Use the above define.
1994         (legitimate_offset_address_p): Delete TARGET_NO_SDATA_SET
1995         condition.
1996         (arc_override_options): Handle G option.
1997         (arc_output_pic_addr_const): Correct function definition.
1998         (arc_legitimate_address_p): Use legitimate_scaled_address_p.
1999         (arc_decl_anon_ns_mem_p): Delete.
2000         (arc_in_small_data_p): Overhaul this function to take into
2001         consideration the value given via G option.
2002         (arc_rewrite_small_data_1): Renamed and corrected old
2003         arc_rewrite_small_data function.
2004         (arc_rewrite_small_data): New function.
2005         (small_data_pattern): Don't use pic_offset_table_rtx.
2006         * config/arc/arc.h (CC1_SPEC): Recognize G option.
2007         * config/arc/simdext.md (movmisalignv2hi): Use
2008         prepare_move_operands function.
2009         (mov*): Likewise.
2010         (movmisalign*): Likewise.
2011         * doc/invoke.texi (ARC options): Document -G option.
2012
2013 2017-08-31  Claudiu Zissulescu  <claziss@synopsys.com>
2014
2015         * config/arc/arc-protos.h (compact_sda_memory_operand): Update
2016         prototype.
2017         * config/arc/arc.c (arc_print_operand): Output scalled address for
2018         sdata whenever is possible.
2019         (arc_in_small_data_p): Allow sdata for 64bit datum when double
2020         load/stores are available.
2021         (compact_sda_memory_operand): Check for the alignment required by
2022         code density instructions.
2023         * config/arc/arc.md (movsi_insn): Use newly introduced Us0
2024         constraint.
2025         * config/arc/constraints.md (Usd): Update constraint.
2026         (Us0): New constraint.
2027         (Usc): Update constraint.
2028
2029 2017-08-31  Richard Biener  <rguenther@suse.de>
2030
2031         PR middle-end/82054
2032         * dwarf2out.c (dwarf2out_early_global_decl): Process each
2033         function only once.
2034
2035 2017-08-31  Tamar Christina  <tamar.christina@arm.com>
2036
2037         * config/aarch64/aarch64-builtins.c (aarch64_init_simd_builtins):
2038         Resize type_signature.
2039
2040 2017-08-31  Richard Sandiford  <richard.sandiford@linaro.org>
2041             Alan Hayward  <alan.hayward@arm.com>
2042             David Sherwood  <david.sherwood@arm.com>
2043
2044         * config/aarch64/aarch64.c (aarch64_base_register_rtx_p): Only allow
2045         subregs whose inner modes can be stored in GPRs.
2046         (aarch64_classify_index): Likewise.
2047
2048 2017-08-31  Richard Sandiford  <richard.sandiford@linaro.org>
2049             Alan Hayward  <alan.hayward@arm.com>
2050             David Sherwood  <david.sherwood@arm.com>
2051
2052         * config/aarch64/iterators.md (V_cmp_result): Rename to...
2053         (V_INT_EQUIV): ...this.
2054         (v_cmp_result): Rename to...
2055         (v_int_equiv): ...this.
2056         * config/aarch64/aarch64.md (xorsign<mode>3): Update accordingly.
2057         * config/aarch64/aarch64-simd.md (xorsign<mode>3): Likewise.
2058         (copysign<mode>3): Likewise.
2059         (aarch64_simd_bsl<mode>_internal): Likewise.
2060         (aarch64_simd_bsl<mode>): Likewise.
2061         (vec_cmp<mode><mode>): Likewise.
2062         (vcond<mode><mode>): Likewise.
2063         (vcond<v_cmp_mixed><mode>): Likewise.
2064         (vcondu<mode><v_cmp_mixed>): Likewise.
2065         (aarch64_cm<optab><mode>): Likewise.
2066         (aarch64_cmtst<mode>): Likewise.
2067         (aarch64_fac<optab><mode>): Likewise.
2068         (vec_perm_const<mode>): Likewise.
2069         (vcond_mask_<mode><v_cmp_result>): Rename to...
2070         (vcond_mask_<mode><v_int_equiv>): ...this.
2071         (vec_cmp<mode><v_cmp_result>): Rename to...
2072         (vec_cmp<mode><v_int_equiv>): ...this.
2073
2074 2017-08-31  Richard Sandiford  <richard.sandiford@linaro.org>
2075             Alan Hayward  <alan.hayward@arm.com>
2076             David Sherwood  <david.sherwood@arm.com>
2077
2078         * config/aarch64/aarch64-modes.def: Remove 32-, 48- and 64-byte
2079         vector modes.
2080         * config/aarch64/iterators.md (VRL2, VRL3, VRL4): Delete.
2081         * config/aarch64/aarch64.md (UNSPEC_LD2_DREG, UNSPEC_LD3_DREG)
2082         (UNSPEC_LD4_DREG): New unspecs.
2083         * config/aarch64/aarch64-simd.md (aarch64_ld2<mode>_dreg_le)
2084         (aarch64_ld2<mode>_dreg_be): Replace with...
2085         (aarch64_ld2<mode>_dreg): ...this pattern and use the new DREG
2086         unspec.
2087         (aarch64_ld3<mode>_dreg_le)
2088         (aarch64_ld3<mode>_dreg_be): Replace with...
2089         (aarch64_ld3<mode>_dreg): ...this pattern and use the new DREG
2090         unspec.
2091         (aarch64_ld4<mode>_dreg_le)
2092         (aarch64_ld4<mode>_dreg_be): Replace with...
2093         (aarch64_ld4<mode>_dreg): ...this pattern and use the new DREG
2094         unspec.
2095
2096 2017-08-30  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2097
2098         PR tree-optimization/81987
2099         * gimple-ssa-strength-reduction.c (insert_initializers): Don't
2100         insert an initializer in a location not dominated by the stride
2101         definition.
2102
2103 2017-08-30  Eric Botcazou  <ebotcazou@adacore.com>
2104
2105         * tree-eh.c (lower_try_finally_switch): Set the location of the finally
2106         on the entire header of the finally block in the fallthru case.
2107
2108 2017-08-30  Eric Botcazou  <ebotcazou@adacore.com>
2109
2110         * varasm.c (decode_addr_const): Deal with INDIRECT_REF <INTEGER_CST>.
2111
2112 2017-08-30  Pat Haugen  <pthaugen@us.ibm.com>
2113
2114         * config/rs6000/rs6000.c (rs6000_emit_prologue_move_from_cr): Rename from
2115         rs6000_emit_move_from_cr and call renamed function.
2116         (rs6000_emit_prologue): Call renamed functions.
2117         * config/rs6000/rs6000.md (prologue_movesi_from_cr): Rename from
2118         movesi_from_cr, remove volatile CRs.
2119
2120 2017-08-30  Jon Beniston  <jon@beniston.com>
2121             Richard Biener  <rguenther@suse.de>
2122
2123         * tree-vect-patterns.c (vect_pattern_recog_1): Use VECTOR_TYPE_P instead
2124         of VECTOR_MODE_P check.
2125         * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): Allow single
2126         element vector types.
2127
2128 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2129
2130         * df.h (df_read_modify_subreg_p): Remove in favor of...
2131         * rtl.h (read_modify_subreg_p): ...this new function.  Take a
2132         const_rtx instead of an rtx.
2133         * cprop.c (local_cprop_find_used_regs): Update accordingly.
2134         * df-problems.c (df_word_lr_mark_ref): Likewise.
2135         * ira-lives.c (mark_pseudo_reg_live): Likewise.
2136         (mark_pseudo_reg_dead): Likewise.
2137         (mark_ref_dead): Likewise.
2138         * reginfo.c (init_subregs_of_mode): Likewise.
2139         * sched-deps.c (sched_analyze_1): Likewise.
2140         * df-scan.c (df_def_record_1): Likewise.
2141         (df_uses_record): Likewise.
2142         (df_read_modify_subreg_p): Remove in favor of...
2143         * rtlanal.c (read_modify_subreg_p): ...this new function.  Take a
2144         const_rtx instead of an rtx.
2145
2146 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2147             Alan Hayward  <alan.hayward@arm.com>
2148             David Sherwood  <david.sherwood@arm.com>
2149
2150         * rtl.h (partial_subreg_p): New function.
2151         * caller-save.c (save_call_clobbered_regs): Use it.
2152         * calls.c (expand_call): Likewise.
2153         * combine.c (combinable_i3pat): Likewise.
2154         (simplify_set): Likewise.
2155         (make_extraction): Likewise.
2156         (make_compound_operation_int): Likewise.
2157         (gen_lowpart_or_truncate): Likewise.
2158         (force_to_mode): Likewise.
2159         (make_field_assignment): Likewise.
2160         (reg_truncated_to_mode): Likewise.
2161         (record_truncated_value): Likewise.
2162         (move_deaths): Likewise.
2163         * cse.c (record_jump_cond): Likewise.
2164         (cse_insn): Likewise.
2165         * cselib.c (cselib_lookup_1): Likewise.
2166         * expmed.c (extract_bit_field_using_extv): Likewise.
2167         * function.c (assign_parm_setup_reg): Likewise.
2168         * ifcvt.c (noce_convert_multiple_sets): Likewise.
2169         * ira-build.c (create_insn_allocnos): Likewise.
2170         * lra-coalesce.c (merge_pseudos): Likewise.
2171         * lra-constraints.c (match_reload): Likewise.
2172         (simplify_operand_subreg): Likewise.
2173         (curr_insn_transform): Likewise.
2174         * lra-lives.c (process_bb_lives): Likewise.
2175         * lra.c (new_insn_reg): Likewise.
2176         (lra_substitute_pseudo): Likewise.
2177         * regcprop.c (mode_change_ok): Likewise.
2178         (maybe_mode_change): Likewise.
2179         (copyprop_hardreg_forward_1): Likewise.
2180         * reload.c (push_reload): Likewise.
2181         (find_reloads): Likewise.
2182         (find_reloads_subreg_address): Likewise.
2183         * reload1.c (alter_reg): Likewise.
2184         (eliminate_regs_1): Likewise.
2185         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
2186
2187 2017-08-30  David Edelsohn  <dje.gcc@gmail.com>
2188
2189         * config/rs6000/rs6000.c (rs6000_expand_binop_builtin): Revert
2190         back to if statements, including unpack.
2191
2192 2017-08-30  Martin Liska  <mliska@suse.cz>
2193
2194         PR inline-asm/82001
2195         * ipa-icf-gimple.c (func_checker::compare_tree_list_operand):
2196         Rename to ...
2197         (func_checker::compare_asm_inputs_outputs): ... this function.
2198         (func_checker::compare_gimple_asm): Use the function to compare
2199         also ASM constrains.
2200         * ipa-icf-gimple.h: Rename the function.
2201
2202 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2203             Alan Hayward  <alan.hayward@arm.com>
2204             David Sherwood  <david.sherwood@arm.com>
2205
2206         * coretypes.h (complex_mode): New type.
2207         * gdbhooks.py (build_pretty_printer): Handle it.
2208         * machmode.h (complex_mode): New class.
2209         (complex_mode::includes_p): New function.
2210         (is_complex_int_mode): Likewise.
2211         (is_complex_float_mode): Likewise.
2212         * genmodes.c (get_mode_class): Handle complex mode classes.
2213         * function.c (expand_function_end): Use is_complex_int_mode.
2214
2215 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2216             Alan Hayward  <alan.hayward@arm.com>
2217             David Sherwood  <david.sherwood@arm.com>
2218
2219         * coretypes.h (scalar_mode_pod): New typedef.
2220         * gdbhooks.py (build_pretty_printer): Handle it.
2221         * machmode.h (gt_ggc_mx, gt_pch_nx): New functions.
2222         * fixed-value.h (fixed_value::mode): Change type to scalar_mode_pod.
2223         * fold-const.c (fold_convert_const_int_from_fixed): Use scalar_mode.
2224         * tree-streamer-in.c (unpack_ts_fixed_cst_value_fields): Use
2225         as_a <scalar_mode>.
2226
2227 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2228             Alan Hayward  <alan.hayward@arm.com>
2229             David Sherwood  <david.sherwood@arm.com>
2230
2231         * machmode.h (mode_for_vector): Take a scalar_mode instead
2232         of a machine_mode.
2233         * stor-layout.c (mode_for_vector): Likewise.
2234         * explow.c (promote_mode): Use as_a <scalar_mode>.
2235         * sdbout.c (sdbout_parms): Use is_a <scalar_mode>.
2236
2237 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2238             Alan Hayward  <alan.hayward@arm.com>
2239             David Sherwood  <david.sherwood@arm.com>
2240
2241         * target.def (preferred_simd_mode): Take a scalar_mode
2242         instead of a machine_mode.
2243         * targhooks.h (default_preferred_simd_mode): Likewise.
2244         * targhooks.c (default_preferred_simd_mode): Likewise.
2245         * config/arc/arc.c (arc_preferred_simd_mode): Likewise.
2246         * config/arm/arm.c (arm_preferred_simd_mode): Likewise.
2247         * config/c6x/c6x.c (c6x_preferred_simd_mode): Likewise.
2248         * config/epiphany/epiphany.c (epiphany_preferred_simd_mode): Likewise.
2249         * config/i386/i386.c (ix86_preferred_simd_mode): Likewise.
2250         * config/mips/mips.c (mips_preferred_simd_mode): Likewise.
2251         * config/nvptx/nvptx.c (nvptx_preferred_simd_mode): Likewise.
2252         * config/powerpcspe/powerpcspe.c (rs6000_preferred_simd_mode):
2253         Likewise.
2254         * config/rs6000/rs6000.c (rs6000_preferred_simd_mode): Likewise.
2255         * config/s390/s390.c (s390_preferred_simd_mode): Likewise.
2256         * config/sparc/sparc.c (sparc_preferred_simd_mode): Likewise.
2257         * config/aarch64/aarch64.c (aarch64_preferred_simd_mode): Likewise.
2258         (aarch64_simd_scalar_immediate_valid_for_move): Update accordingly.
2259         * doc/tm.texi: Regenerate.
2260         * optabs-query.c (can_vec_mask_load_store_p): Return false for
2261         non-scalar modes.
2262
2263 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2264             Alan Hayward  <alan.hayward@arm.com>
2265             David Sherwood  <david.sherwood@arm.com>
2266
2267         * target.def (scalar_mode_supported_p): Take a scalar_mode
2268         instead of a machine_mode.
2269         * targhooks.h (default_scalar_mode_supported_p): Likewise.
2270         * targhooks.c (default_scalar_mode_supported_p): Likewise.
2271         * config/aarch64/aarch64.c (aarch64_scalar_mode_supported_p): Likewise.
2272         * config/alpha/alpha.c (alpha_scalar_mode_supported_p): Likewise.
2273         * config/arm/arm.c (arm_scalar_mode_supported_p): Likewise.
2274         * config/avr/avr.c (avr_scalar_mode_supported_p): Likewise.
2275         * config/c6x/c6x.c (c6x_scalar_mode_supported_p): Likewise.
2276         * config/i386/i386.c (ix86_scalar_mode_supported_p): Likewise.
2277         * config/ia64/ia64.c (ia64_scalar_mode_supported_p): Likewise.
2278         * config/mips/mips.c (mips_scalar_mode_supported_p): Likewise.
2279         * config/msp430/msp430.c (msp430_scalar_mode_supported_p): Likewise.
2280         * config/pa/pa.c (pa_scalar_mode_supported_p): Likewise.
2281         * config/pdp11/pdp11.c (pdp11_scalar_mode_supported_p): Likewise.
2282         * config/powerpcspe/powerpcspe.c (rs6000_scalar_mode_supported_p):
2283         Likewise.
2284         * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): Likewise.
2285         * config/s390/s390.c (s390_scalar_mode_supported_p): Likewise.
2286         * config/spu/spu.c (spu_scalar_mode_supported_p): Likewise.
2287         * config/tilegx/tilegx.c (tilegx_scalar_mode_supported_p): Likewise.
2288         * config/tilepro/tilepro.c (tilepro_scalar_mode_supported_p):
2289         Likewise.
2290         * doc/tm.texi: Regenerate.
2291
2292 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2293             Alan Hayward  <alan.hayward@arm.com>
2294             David Sherwood  <david.sherwood@arm.com>
2295
2296         * coretypes.h (opt_scalar_mode): New typedef.
2297         * gdbhooks.py (build_pretty_printers): Handle it.
2298         * machmode.h (mode_iterator::get_2xwider): Add overload for
2299         opt_mode<T>.
2300         * emit-rtl.c (init_emit_once): Use opt_scalar_mode when iterating
2301         over scalar modes.
2302         * expr.c (convert_mode_scalar): Likewise.
2303         * omp-low.c (omp_clause_aligned_alignment): Likewise.
2304         * optabs.c (expand_float): Likewise.
2305         (expand_fix): Likewise.
2306         * tree-vect-stmts.c (vectorizable_conversion): Likewise.
2307
2308 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2309             Alan Hayward  <alan.hayward@arm.com>
2310             David Sherwood  <david.sherwood@arm.com>
2311
2312         * optabs.c (expand_float): Explicitly check for scalars before
2313         using a branching expansion.
2314         (expand_fix): Likewise.
2315
2316 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2317             Alan Hayward  <alan.hayward@arm.com>
2318             David Sherwood  <david.sherwood@arm.com>
2319
2320         * expr.c (convert_mode): Split scalar handling out into...
2321         (convert_mode_scalar): ...this new function.  Treat the modes
2322         as scalar_modes.
2323
2324 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2325             Alan Hayward  <alan.hayward@arm.com>
2326             David Sherwood  <david.sherwood@arm.com>
2327
2328         * omp-expand.c (expand_omp_atomic): Use is_int_mode, is_float_mode
2329         and scalar_mode.
2330         * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): Likewise.
2331
2332 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2333             Alan Hayward  <alan.hayward@arm.com>
2334             David Sherwood  <david.sherwood@arm.com>
2335
2336         * fixed-value.h (fixed_from_double_int): Take a scalar_mode
2337         rather than a machine_mode.
2338         (fixed_from_string): Likewise.
2339         (fixed_convert): Likewise.
2340         (fixed_convert_from_int): Likewise.
2341         (fixed_convert_from_real): Likewise.
2342         (real_convert_from_fixed): Likewise.
2343         * fixed-value.c (fixed_from_double_int): Likewise.
2344         (fixed_from_string): Likewise.
2345         (fixed_convert): Likewise.
2346         (fixed_convert_from_int): Likewise.
2347         (fixed_convert_from_real): Likewise.
2348         (real_convert_from_fixed): Likewise.
2349         * config/avr/avr.c (avr_out_round): Use as_a <scalar_mode>.
2350
2351 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2352             Alan Hayward  <alan.hayward@arm.com>
2353             David Sherwood  <david.sherwood@arm.com>
2354
2355         * emit-rtl.c (immed_double_const): Use is_a <scalar_mode> instead
2356         of separate mode class checks.  Do not allow vector modes here.
2357         (immed_wide_int_const): Use as_a <scalar_mode>.
2358         * explow.c (trunc_int_for_mode): Likewise.
2359         * rtl.h (wi::int_traits<rtx_mode_t>::get_precision): Likewise.
2360         (wi::shwi): Likewise.
2361         (wi::min_value): Likewise.
2362         (wi::max_value): Likewise.
2363         * dwarf2out.c (loc_descriptor): Likewise.
2364         * simplify-rtx.c (simplify_immed_subreg): Fix rtx_mode_t argument
2365         for CONST_WIDE_INT.
2366
2367 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2368             Alan Hayward  <alan.hayward@arm.com>
2369             David Sherwood  <david.sherwood@arm.com>
2370
2371         * tree.h (SCALAR_TYPE_MODE): New macro.
2372         * expr.c (expand_expr_addr_expr_1): Use it.
2373         (expand_expr_real_2): Likewise.
2374         * fold-const.c (fold_convert_const_fixed_from_fixed): Likeise.
2375         (fold_convert_const_fixed_from_int): Likewise.
2376         (fold_convert_const_fixed_from_real): Likewise.
2377         (native_encode_fixed): Likewise
2378         (native_encode_complex): Likewise
2379         (native_encode_vector): Likewise.
2380         (native_interpret_fixed): Likewise.
2381         (native_interpret_real): Likewise.
2382         (native_interpret_complex): Likewise.
2383         (native_interpret_vector): Likewise.
2384         * omp-simd-clone.c (simd_clone_adjust_return_type): Likewise.
2385         (simd_clone_adjust_argument_types): Likewise.
2386         (simd_clone_init_simd_arrays): Likewise.
2387         (simd_clone_adjust): Likewise.
2388         * stor-layout.c (layout_type): Likewise.
2389         * tree.c (build_minus_one_cst): Likewise.
2390         * tree-cfg.c (verify_gimple_assign_ternary): Likewise.
2391         * tree-inline.c (estimate_move_cost): Likewise.
2392         * tree-ssa-math-opts.c (convert_plusminus_to_widen): Likewise.
2393         * tree-vect-loop.c (vect_create_epilog_for_reduction): Likewise.
2394         (vectorizable_reduction): Likewise.
2395         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Likewise.
2396         (vect_recog_mixed_size_cond_pattern): Likewise.
2397         (check_bool_pattern): Likewise.
2398         (adjust_bool_pattern): Likewise.
2399         (search_type_for_mask_1): Likewise.
2400         * tree-vect-slp.c (vect_schedule_slp_instance): Likewise.
2401         * tree-vect-stmts.c (vectorizable_conversion): Likewise.
2402         (vectorizable_load): Likewise.
2403         (vectorizable_store): Likewise.
2404         * ubsan.c (ubsan_encode_value): Likewise.
2405         * varasm.c (output_constant): Likewise.
2406
2407 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2408             Alan Hayward  <alan.hayward@arm.com>
2409             David Sherwood  <david.sherwood@arm.com>
2410
2411         * coretypes.h (scalar_mode): New class.
2412         * machmode.h (scalar_mode): Likewise.
2413         (scalar_mode::includes_p): New function.
2414         (mode_to_inner): Return a scalar_mode rather than a machine_mode.
2415         * gdbhooks.py (build_pretty_printers): Handle scalar_mode.
2416         * genmodes.c (get_mode_class): Handle remaining scalar modes.
2417         * cfgexpand.c (expand_debug_expr): Use scalar_mode.
2418         * expmed.c (store_bit_field_1): Likewise.
2419         (extract_bit_field_1): Likewise.
2420         * expr.c (write_complex_part): Likewise.
2421         (read_complex_part): Likewise.
2422         (emit_move_complex_push): Likewise.
2423         (expand_expr_real_2): Likewise.
2424         * function.c (assign_parm_setup_reg): Likewise.
2425         (assign_parms_unsplit_complex): Likewise.
2426         * optabs.c (expand_binop): Likewise.
2427         * rtlanal.c (subreg_get_info): Likewise.
2428         * simplify-rtx.c (simplify_immed_subreg): Likewise.
2429         * varasm.c (output_constant_pool_2): Likewise.
2430
2431 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2432             Alan Hayward  <alan.hayward@arm.com>
2433             David Sherwood  <david.sherwood@arm.com>
2434
2435         * expmed.c (extract_high_half): Use scalar_int_mode and remove
2436         assertion.
2437         (expmed_mult_highpart_optab): Likewise.
2438         (expmed_mult_highpart): Likewise.
2439
2440 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2441             Alan Hayward  <alan.hayward@arm.com>
2442             David Sherwood  <david.sherwood@arm.com>
2443
2444         * builtins.h (builtin_strncpy_read_str): Take a scalar_int_mode
2445         instead of a machine_mode.
2446         (builtin_memset_read_str): Likewise.
2447         * builtins.c (c_readstr): Likewise.
2448         (builtin_memcpy_read_str): Likewise.
2449         (builtin_strncpy_read_str): Likewise.
2450         (builtin_memset_read_str): Likewise.
2451         (builtin_memset_gen_str): Likewise.
2452         (expand_builtin_signbit): Use scalar_int_mode for local variables.
2453         * cfgexpand.c (convert_debug_memory_address): Take a scalar_int_mode
2454         instead of a machine_mode.
2455         * combine.c (simplify_if_then_else): Use scalar_int_mode for local
2456         variables.
2457         (make_extraction): Likewise.
2458         (try_widen_shift_mode): Take and return scalar_int_modes instead
2459         of machine_modes.
2460         * config/aarch64/aarch64.c (aarch64_libgcc_cmp_return_mode): Return
2461         a scalar_int_mode instead of a machine_mode.
2462         * config/avr/avr.c (avr_addr_space_address_mode): Likewise.
2463         (avr_addr_space_pointer_mode): Likewise.
2464         * config/cr16/cr16.c (cr16_unwind_word_mode): Likewise.
2465         * config/msp430/msp430.c (msp430_addr_space_pointer_mode): Likewise.
2466         (msp430_unwind_word_mode): Likewise.
2467         * config/spu/spu.c (spu_unwind_word_mode): Likewise.
2468         (spu_addr_space_pointer_mode): Likewise.
2469         (spu_addr_space_address_mode): Likewise.
2470         (spu_libgcc_cmp_return_mode): Likewise.
2471         (spu_libgcc_shift_count_mode): Likewise.
2472         * config/rl78/rl78.c (rl78_addr_space_address_mode): Likewise.
2473         (rl78_addr_space_pointer_mode): Likewise.
2474         (fl78_unwind_word_mode): Likewise.
2475         (rl78_valid_pointer_mode): Take a scalar_int_mode instead of a
2476         machine_mode.
2477         * config/alpha/alpha.c (vms_valid_pointer_mode): Likewise.
2478         * config/ia64/ia64.c (ia64_vms_valid_pointer_mode): Likewise.
2479         * config/mips/mips.c (mips_mode_rep_extended): Likewise.
2480         (mips_valid_pointer_mode): Likewise.
2481         * config/tilegx/tilegx.c (tilegx_mode_rep_extended): Likewise.
2482         * config/ft32/ft32.c (ft32_valid_pointer_mode): Likewise.
2483         (ft32_addr_space_pointer_mode): Return a scalar_int_mode instead
2484         of a machine_mode.
2485         (ft32_addr_space_address_mode): Likewise.
2486         * config/m32c/m32c.c (m32c_valid_pointer_mode): Take a
2487         scalar_int_mode instead of a machine_mode.
2488         (m32c_addr_space_pointer_mode): Return a scalar_int_mode instead
2489         of a machine_mode.
2490         (m32c_addr_space_address_mode): Likewise.
2491         * config/powerpcspe/powerpcspe.c (rs6000_abi_word_mode): Likewise.
2492         (rs6000_eh_return_filter_mode): Likewise.
2493         * config/rs6000/rs6000.c (rs6000_abi_word_mode): Likewise.
2494         (rs6000_eh_return_filter_mode): Likewise.
2495         * config/s390/s390.c (s390_libgcc_cmp_return_mode): Likewise.
2496         (s390_libgcc_shift_count_mode): Likewise.
2497         (s390_unwind_word_mode): Likewise.
2498         (s390_valid_pointer_mode): Take a scalar_int_mode rather than a
2499         machine_mode.
2500         * target.def (mode_rep_extended): Likewise.
2501         (valid_pointer_mode): Likewise.
2502         (addr_space.valid_pointer_mode): Likewise.
2503         (eh_return_filter_mode): Return a scalar_int_mode rather than
2504         a machine_mode.
2505         (libgcc_cmp_return_mode): Likewise.
2506         (libgcc_shift_count_mode): Likewise.
2507         (unwind_word_mode): Likewise.
2508         (addr_space.pointer_mode): Likewise.
2509         (addr_space.address_mode): Likewise.
2510         * doc/tm.texi: Regenerate.
2511         * dojump.c (prefer_and_bit_test): Take a scalar_int_mode rather than
2512         a machine_mode.
2513         (do_jump): Use scalar_int_mode for local variables.
2514         * dwarf2cfi.c (init_return_column_size): Take a scalar_int_mode
2515         rather than a machine_mode.
2516         * dwarf2out.c (convert_descriptor_to_mode): Likewise.
2517         (scompare_loc_descriptor_wide): Likewise.
2518         (scompare_loc_descriptor_narrow): Likewise.
2519         * emit-rtl.c (adjust_address_1): Use scalar_int_mode for local
2520         variables.
2521         * except.c (sjlj_emit_dispatch_table): Likewise.
2522         (expand_builtin_eh_copy_values): Likewise.
2523         * explow.c (convert_memory_address_addr_space_1): Likewise.
2524         Take a scalar_int_mode rather than a machine_mode.
2525         (convert_memory_address_addr_space): Take a scalar_int_mode rather
2526         than a machine_mode.
2527         (memory_address_addr_space): Use scalar_int_mode for local variables.
2528         * expmed.h (expand_mult_highpart_adjust): Take a scalar_int_mode
2529         rather than a machine_mode.
2530         * expmed.c (mask_rtx): Likewise.
2531         (init_expmed_one_conv): Likewise.
2532         (expand_mult_highpart_adjust): Likewise.
2533         (extract_high_half): Likewise.
2534         (expmed_mult_highpart_optab): Likewise.
2535         (expmed_mult_highpart): Likewise.
2536         (expand_smod_pow2): Likewise.
2537         (expand_sdiv_pow2): Likewise.
2538         (emit_store_flag_int): Likewise.
2539         (adjust_bit_field_mem_for_reg): Use scalar_int_mode for local
2540         variables.
2541         (extract_low_bits): Likewise.
2542         * expr.h (by_pieces_constfn): Take a scalar_int_mode rather than
2543         a machine_mode.
2544         * expr.c (pieces_addr::adjust):  Likewise.
2545         (can_store_by_pieces): Likewise.
2546         (store_by_pieces): Likewise.
2547         (clear_by_pieces_1): Likewise.
2548         (expand_expr_addr_expr_1): Likewise.
2549         (expand_expr_addr_expr): Use scalar_int_mode for local variables.
2550         (expand_expr_real_1): Likewise.
2551         (try_casesi): Likewise.
2552         * final.c (shorten_branches): Likewise.
2553         * fold-const.c (fold_convert_const_int_from_fixed): Change the
2554         type of "mode" to machine_mode.
2555         * internal-fn.c (expand_arith_overflow_result_store): Take a
2556         scalar_int_mode rather than a machine_mode.
2557         (expand_mul_overflow): Use scalar_int_mode for local variables.
2558         * loop-doloop.c (doloop_modify): Likewise.
2559         (doloop_optimize): Likewise.
2560         * optabs.c (expand_subword_shift): Take a scalar_int_mode rather
2561         than a machine_mode.
2562         (expand_doubleword_shift_condmove): Likewise.
2563         (expand_doubleword_shift): Likewise.
2564         (expand_doubleword_clz): Likewise.
2565         (expand_doubleword_popcount): Likewise.
2566         (expand_doubleword_parity): Likewise.
2567         (expand_absneg_bit): Use scalar_int_mode for local variables.
2568         (prepare_float_lib_cmp): Likewise.
2569         * rtl.h (convert_memory_address_addr_space_1): Take a scalar_int_mode
2570         rather than a machine_mode.
2571         (convert_memory_address_addr_space): Likewise.
2572         (get_mode_bounds): Likewise.
2573         (get_address_mode): Return a scalar_int_mode rather than a
2574         machine_mode.
2575         * rtlanal.c (get_address_mode): Likewise.
2576         * stor-layout.c (get_mode_bounds): Take a scalar_int_mode rather
2577         than a machine_mode.
2578         * targhooks.c (default_mode_rep_extended): Likewise.
2579         (default_valid_pointer_mode): Likewise.
2580         (default_addr_space_valid_pointer_mode): Likewise.
2581         (default_eh_return_filter_mode): Return a scalar_int_mode rather
2582         than a machine_mode.
2583         (default_libgcc_cmp_return_mode): Likewise.
2584         (default_libgcc_shift_count_mode): Likewise.
2585         (default_unwind_word_mode): Likewise.
2586         (default_addr_space_pointer_mode): Likewise.
2587         (default_addr_space_address_mode): Likewise.
2588         * targhooks.h (default_eh_return_filter_mode): Likewise.
2589         (default_libgcc_cmp_return_mode): Likewise.
2590         (default_libgcc_shift_count_mode): Likewise.
2591         (default_unwind_word_mode): Likewise.
2592         (default_addr_space_pointer_mode): Likewise.
2593         (default_addr_space_address_mode): Likewise.
2594         (default_mode_rep_extended): Take a scalar_int_mode rather than
2595         a machine_mode.
2596         (default_valid_pointer_mode): Likewise.
2597         (default_addr_space_valid_pointer_mode): Likewise.
2598         * tree-ssa-address.c (addr_for_mem_ref): Use scalar_int_mode for
2599         local variables.
2600         * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Take a scalar_int_mode
2601         rather than a machine_mode.
2602         * tree-switch-conversion.c (array_value_type): Use scalar_int_mode
2603         for local variables.
2604         * tree-vrp.c (simplify_float_conversion_using_ranges): Likewise.
2605         * var-tracking.c (use_narrower_mode): Take a scalar_int_mode rather
2606         than a machine_mode.
2607
2608 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2609             Alan Hayward  <alan.hayward@arm.com>
2610             David Sherwood  <david.sherwood@arm.com>
2611
2612         * dojump.c (do_jump_by_parts_greater_rtx): Change the type of
2613         the mode argument to scalar_int_mode.
2614         (do_jump_by_parts_zero_rtx): Likewise.
2615         (do_jump_by_parts_equality_rtx): Likewise.
2616         (do_jump_by_parts_greater): Take a mode argument.
2617         (do_jump_by_parts_equality): Likewise.
2618         (do_jump_1): Update calls accordingly.
2619
2620 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2621             Alan Hayward  <alan.hayward@arm.com>
2622             David Sherwood  <david.sherwood@arm.com>
2623
2624         * is-a.h (safe_dyn_cast): New function.
2625         * rtl.h (rtx_jump_table_data::get_data_mode): New function.
2626         (jump_table_for_label): Likewise.
2627         * final.c (final_addr_vec_align): Take an rtx_jump_table_data *
2628         instead of an rtx_insn *.
2629         (shorten_branches): Use dyn_cast instead of LABEL_P and
2630         JUMP_TABLE_DATA_P.  Use jump_table_for_label and
2631         rtx_jump_table_data::get_data_mode.
2632         (final_scan_insn): Likewise.
2633
2634 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2635             Alan Hayward  <alan.hayward@arm.com>
2636             David Sherwood  <david.sherwood@arm.com>
2637
2638         * combine.c (try_combine): Use is_a <scalar_int_mode> when
2639         trying to combine a full-register integer set with a subreg
2640         integer set.
2641
2642 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2643             Alan Hayward  <alan.hayward@arm.com>
2644             David Sherwood  <david.sherwood@arm.com>
2645
2646         * expr.c (expand_expr_addr_expr): Add a new_tmode local variable
2647         that is always either address_mode or pointer_mode.
2648
2649 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2650             Alan Hayward  <alan.hayward@arm.com>
2651             David Sherwood  <david.sherwood@arm.com>
2652
2653         * expr.c (expand_expr_real_2): Use word_mode instead of innermode
2654         when the two are known to be equal.
2655
2656 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2657             Alan Hayward  <alan.hayward@arm.com>
2658             David Sherwood  <david.sherwood@arm.com>
2659
2660         * simplify-rtx.c (simplify_const_unary_operation): Use
2661         is_a <scalar_int_mode> instead of checking for a nonzero
2662         precision.  Forcibly convert op_mode to a scalar_int_mode
2663         in that case.  More clearly differentiate the operand and
2664         result modes and use the former when deciding what the value
2665         of a count-bits operation should be.  Use is_int_mode instead
2666         of checking for a MODE_INT.  Remove redundant check for whether
2667         this mode has a zero precision.
2668
2669 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2670             Alan Hayward  <alan.hayward@arm.com>
2671             David Sherwood  <david.sherwood@arm.com>
2672
2673         * optabs.c (widen_leading): Change the type of the mode argument
2674         to scalar_int_mode.  Use opt_scalar_int_mode for the mode iterator.
2675         (widen_bswap): Likewise.
2676         (expand_parity): Likewise.
2677         (expand_ctz): Change the type of the mode argument to scalar_int_mode.
2678         (expand_ffs): Likewise.
2679         (epand_unop): Check for scalar integer modes before calling the
2680         above routines.
2681
2682 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2683             Alan Hayward  <alan.hayward@arm.com>
2684             David Sherwood  <david.sherwood@arm.com>
2685
2686         * expr.c (const_scalar_mask_from_tree): Add a mode argument.
2687         Expand commentary.
2688         (expand_expr_real_1): Update call accordingly.
2689
2690 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2691             Alan Hayward  <alan.hayward@arm.com>
2692             David Sherwood  <david.sherwood@arm.com>
2693
2694         * expmed.c (store_bit_field_using_insv): Add op0_mode and
2695         value_mode arguments.  Use scalar_int_mode internally.
2696         (store_bit_field_1): Rename the new integer mode from imode
2697         to op0_mode and use it instead of GET_MODE (op0).  Update calls
2698         to store_split_bit_field, store_bit_field_using_insv and
2699         store_fixed_bit_field.
2700         (store_fixed_bit_field): Add op0_mode and value_mode arguments.
2701         Use scalar_int_mode internally.  Use a bit count rather than a mode
2702         when calculating the largest bit size for get_best_mode.
2703         Update calls to store_split_bit_field and store_fixed_bit_field_1.
2704         (store_fixed_bit_field_1): Add mode and value_mode arguments.
2705         Remove assertion that OP0 has a scalar integer mode.
2706         (store_split_bit_field): Add op0_mode and value_mode arguments.
2707         Update calls to extract_fixed_bit_field.
2708         (extract_bit_field_using_extv): Add an op0_mode argument.
2709         Use scalar_int_mode internally.
2710         (extract_bit_field_1): Rename the new integer mode from imode to
2711         op0_mode and use it instead of GET_MODE (op0).  Update calls to
2712         extract_split_bit_field, extract_bit_field_using_extv and
2713         extract_fixed_bit_field.
2714         (extract_fixed_bit_field): Add an op0_mode argument.  Update calls
2715         to extract_split_bit_field and extract_fixed_bit_field_1.
2716         (extract_fixed_bit_field_1): Add a mode argument.  Remove assertion
2717         that OP0 has a scalar integer mode.  Use as_a <scalar_int_mode>
2718         on the target mode.
2719         (extract_split_bit_field): Add an op0_mode argument.  Update call
2720         to extract_fixed_bit_field.
2721
2722 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2723             Alan Hayward  <alan.hayward@arm.com>
2724             David Sherwood  <david.sherwood@arm.com>
2725
2726         * cse.c (cse_insn): Use opt_scalar_int_mode for the mode iterator.
2727         * explow.c (hard_function_value): Likewise.
2728         * expmed.c (extract_fixed_bit_field_1): Likewise.  Move the
2729         convert_to_mode call outside the loop.
2730         * expr.c (alignment_for_piecewise_move): Use opt_scalar_int_mode
2731         for the mode iterator.  Require the mode specified by max_pieces
2732         to exist.
2733         (emit_block_move_via_movmem): Use opt_scalar_int_mode for the
2734         mode iterator.
2735         (copy_blkmode_to_reg): Likewise.
2736         (set_storage_via_setmem): Likewise.
2737         * optabs.c (prepare_cmp_insn): Likewise.
2738         * rtlanal.c (init_num_sign_bit_copies_in_rep): Likewise.
2739         * stor-layout.c (finish_bitfield_representative): Likewise.
2740
2741 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2742             Alan Hayward  <alan.hayward@arm.com>
2743             David Sherwood  <david.sherwood@arm.com>
2744
2745         * rtl.h (subreg_unpromoted_mode, subreg_promoted_mode): New functions.
2746         * expr.c (convert_move): Use them.
2747         (convert_modes): Likewise.
2748         (store_expr_with_bounds): Likewise.
2749
2750 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2751             Alan Hayward  <alan.hayward@arm.com>
2752             David Sherwood  <david.sherwood@arm.com>
2753
2754         * rtl.h (rtl_hooks::reg_nonzero_bits): Add a scalar_int_mode
2755         parameter for the mode of "x".  Remove the "known_x", "known_mode"
2756         and "known_ret" arguments.  Change the type of the mode argument
2757         to scalar_int_mode.
2758         (rtl_hooks:reg_num_sign_bit_copies): Likewise.
2759         * combine.c (reg_nonzero_bits_for_combine): Update accordingly.
2760         (reg_num_sign_bit_copies_for_combine): Likewise.
2761         * rtlanal.c (nonzero_bits1): Likewise.
2762         (num_sign_bit_copies1): Likewise.
2763         * rtlhooks-def.h (reg_nonzero_bits_general): Likewise.
2764         (reg_num_sign_bit_copies_general): Likewise.
2765         * rtlhooks.c (reg_num_sign_bit_copies_general): Likewise.
2766         (reg_nonzero_bits_general): Likewise.
2767
2768 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2769             Alan Hayward  <alan.hayward@arm.com>
2770             David Sherwood  <david.sherwood@arm.com>
2771
2772         * rtlanal.c (num_sign_bit_copies): Handle VOIDmode here rather
2773         than in subroutines.  Return 1 for non-integer modes.
2774         (cached_num_sign_bit_copies): Change the type of the mode parameter
2775         to scalar_int_mode.
2776         (num_sign_bit_copies1): Likewise.  Remove early exit for other mode
2777         classes.  Handle CONST_INT_P first and then check whether X also
2778         has a scalar integer mode.  Check the same thing for inner registers
2779         of a SUBREG and for values that are being extended or truncated.
2780
2781 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2782             Alan Hayward  <alan.hayward@arm.com>
2783             David Sherwood  <david.sherwood@arm.com>
2784
2785         * rtlanal.c (nonzero_bits): Handle VOIDmode here rather than
2786         in subroutines.  Return the mode mask for non-integer modes.
2787         (cached_nonzero_bits): Change the type of the mode parameter
2788         to scalar_int_mode.
2789         (nonzero_bits1): Likewise.  Remove early exit for other mode
2790         classes.  Handle CONST_INT_P first and then check whether X
2791         also has a scalar integer mode.
2792
2793 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2794             Alan Hayward  <alan.hayward@arm.com>
2795             David Sherwood  <david.sherwood@arm.com>
2796
2797         * expr.c (widest_int_mode_for_size): Make the comment match the code.
2798         Return a scalar_int_mode and assert that the size is greater than
2799         one byte.
2800         (by_pieces_ninsns): Update accordingly and remove VOIDmode handling.
2801         (op_by_pieces_d::op_by_pieces_d): Likewise.
2802         (op_by_pieces_d::run): Likewise.
2803         (can_store_by_pieces): Likewise.
2804
2805 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2806             Alan Hayward  <alan.hayward@arm.com>
2807             David Sherwood  <david.sherwood@arm.com>
2808
2809         * combine.c (extract_left_shift): Add a mode argument and update
2810         recursive calls.
2811         (make_compound_operation_int): Change the type of the mode parameter
2812         to scalar_int_mode and update the call to extract_left_shift.
2813
2814 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2815             Alan Hayward  <alan.hayward@arm.com>
2816             David Sherwood  <david.sherwood@arm.com>
2817
2818         * combine.c (simplify_and_const_int): Change the type of the mode
2819         parameter to scalar_int_mode.
2820         (simplify_and_const_int_1): Likewise.  Update recursive call.
2821
2822 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2823             Alan Hayward  <alan.hayward@arm.com>
2824             David Sherwood  <david.sherwood@arm.com>
2825
2826         * combine.c (simplify_compare_const): Check that the mode is a
2827         scalar_int_mode (rather than VOIDmode) before testing its
2828         precision.
2829         (simplify_comparison): Move COMPARISON_P handling out of the
2830         loop and restrict the latter part of the loop to scalar_int_modes.
2831         Check is_a <scalar_int_mode> before calling HWI_COMPUTABLE_MODE_P
2832         and when considering SUBREG_REGs.  Use is_int_mode instead of
2833         checking GET_MODE_CLASS against MODE_INT.
2834
2835 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2836             Alan Hayward  <alan.hayward@arm.com>
2837             David Sherwood  <david.sherwood@arm.com>
2838
2839         * combine.c (try_widen_shift_mode): Move check for equal modes to...
2840         (simplify_shift_const_1): ...here.  Use scalar_int_mode for
2841         shift_unit_mode and for modes involved in scalar shifts.
2842
2843 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2844             Alan Hayward  <alan.hayward@arm.com>
2845             David Sherwood  <david.sherwood@arm.com>
2846
2847         * combine.c (force_int_to_mode): New function, split out from...
2848         (force_to_mode): ...here.  Keep xmode up-to-date and use it
2849         instead of GET_MODE (x).
2850
2851 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2852             Alan Hayward  <alan.hayward@arm.com>
2853             David Sherwood  <david.sherwood@arm.com>
2854
2855         * optabs-query.h (extraction_insn::struct_mode): Change type to
2856         opt_scalar_int_mode and update comment.
2857         (extraction_insn::field_mode): Change type to scalar_int_mode.
2858         (extraction_insn::pos_mode): Likewise.
2859         * combine.c (make_extraction): Update accordingly.
2860         * optabs-query.c (get_traditional_extraction_insn): Likewise.
2861         (get_optab_extraction_insn): Likewise.
2862         * recog.c (simplify_while_replacing): Likewise.
2863         * expmed.c (narrow_bit_field_mem): Change the type of the mode
2864         parameter to opt_scalar_int_mode.
2865
2866 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2867             Alan Hayward  <alan.hayward@arm.com>
2868             David Sherwood  <david.sherwood@arm.com>
2869
2870         * machmode.h (bit_field_mode_iterator::next_mode): Take a pointer
2871         to a scalar_int_mode instead of a machine_mode.
2872         (bit_field_mode_iterator::m_mode): Change type to opt_scalar_int_mode.
2873         (get_best_mode): Return a boolean and use a pointer argument to store
2874         the selected mode.  Replace the limit mode parameter with a bit limit.
2875         * expmed.c (adjust_bit_field_mem_for_reg): Use scalar_int_mode
2876         for the values returned by bit_field_mode_iterator::next_mode.
2877         (store_bit_field): Update call to get_best_mode.
2878         (store_fixed_bit_field): Likewise.
2879         (extract_fixed_bit_field): Likewise.
2880         * expr.c (optimize_bitfield_assignment_op): Likewise.
2881         * fold-const.c (optimize_bit_field_compare): Likewise.
2882         (fold_truth_andor_1): Likewise.
2883         * stor-layout.c (bit_field_mode_iterator::next_mode): As above.
2884         Update for new type of m_mode.
2885         (get_best_mode): As above.
2886
2887 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2888             Alan Hayward  <alan.hayward@arm.com>
2889             David Sherwood  <david.sherwood@arm.com>
2890
2891         * expmed.c (strict_volatile_bitfield_p): Change the type of fieldmode
2892         to scalar_int_mode.  Remove check for SCALAR_INT_MODE_P.
2893         (store_bit_field): Check is_a <scalar_int_mode> before calling
2894         strict_volatile_bitfield_p.
2895         (extract_bit_field): Likewise.
2896
2897 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2898             Alan Hayward  <alan.hayward@arm.com>
2899             David Sherwood  <david.sherwood@arm.com>
2900
2901         * target.def (cstore_mode): Return a scalar_int_mode.
2902         * doc/tm.texi: Regenerate.
2903         * config/sparc/sparc.c (sparc_cstore_mode): Return a scalar_int_mode.
2904         * targhooks.h (default_cstore_mode): Likewise.
2905         * targhooks.c (default_cstore_mode): Likewise, using a forced
2906         conversion.
2907         * expmed.c (emit_cstore): Expect the target of the cstore to be
2908         a scalar_int_mode.
2909
2910 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2911             Alan Hayward  <alan.hayward@arm.com>
2912             David Sherwood  <david.sherwood@arm.com>
2913
2914         * cfgloop.h (rtx_iv): Change type of extend_mode and mode to
2915         scalar_int_mode.
2916         (niter_desc): Likewise mode.
2917         (iv_analyze): Add a mode parameter.
2918         (biv_p): Likewise.
2919         (iv_analyze_expr): Pass the mode paraeter before the rtx it describes
2920         and change its type to scalar_int_mode.
2921         * loop-iv.c: Update commentary at head of file.
2922         (iv_constant): Pass the mode paraeter before the rtx it describes
2923         and change its type to scalar_int_mode.  Remove VOIDmode handling.
2924         (iv_subreg): Change the type of the mode parameter to scalar_int_mode.
2925         (iv_extend): Likewise.
2926         (shorten_into_mode): Likewise.
2927         (iv_add): Use scalar_int_mode.
2928         (iv_mult): Likewise.
2929         (iv_shift): Likewise.
2930         (canonicalize_iv_subregs): Likewise.
2931         (get_biv_step_1): Pass the outer_mode parameter before the rtx
2932         it describes and change its mode to scalar_int_mode.   Also change
2933         the type of the returned inner_mode to scalar_int_mode.
2934         (get_biv_step): Likewise, turning outer_mode from a pointer
2935         into a direct parameter.  Update call to get_biv_step_1.
2936         (iv_analyze_biv): Add an outer_mode parameter.  Update calls to
2937         iv_constant and get_biv_step.
2938         (iv_analyze_expr): Pass the mode parameter before the rtx it describes
2939         and change its type to scalar_int_mode.  Don't initialise iv->mode
2940         to VOIDmode and remove later checks for its still being VOIDmode.
2941         Update calls to iv_analyze_op and iv_analyze_expr.  Check
2942         is_a <scalar_int_mode> when changing the mode under consideration.
2943         (iv_analyze_def): Ignore registers that don't have a scalar_int_mode.
2944         Update call to iv_analyze_expr.
2945         (iv_analyze_op): Add a mode parameter.  Reject subregs whose
2946         inner register is not also a scalar_int_mode.  Update call to
2947         iv_analyze_biv.
2948         (iv_analyze): Add a mode parameter.  Update call to iv_analyze_op.
2949         (biv_p): Add a mode parameter.  Update call to iv_analyze_biv.
2950         (iv_number_of_iterations): Use is_a <scalar_int_mode> instead of
2951         separate mode class checks.  Update calls to iv_analyze.  Remove
2952         fix-up of VOIDmodes after iv_analyze_biv.
2953         * loop-unroll.c (analyze_iv_to_split_insn): Reject registers that
2954         don't have a scalar_int_mode.  Update call to biv_p.
2955
2956 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2957             Alan Hayward  <alan.hayward@arm.com>
2958             David Sherwood  <david.sherwood@arm.com>
2959
2960         * cfgexpand.c (convert_debug_memory_address): Use
2961         as_a <scalar_int_mode>.
2962         * combine.c (expand_compound_operation): Likewise.
2963         (make_extraction): Likewise.
2964         (change_zero_ext): Likewise.
2965         (simplify_comparison): Likewise.
2966         * cse.c (cse_insn): Likewise.
2967         * dwarf2out.c (minmax_loc_descriptor): Likewise.
2968         (mem_loc_descriptor): Likewise.
2969         (loc_descriptor): Likewise.
2970         * expmed.c (init_expmed_one_mode): Likewise.
2971         (synth_mult): Likewise.
2972         (emit_store_flag_1): Likewise.
2973         (expand_divmod): Likewise.  Use HWI_COMPUTABLE_MODE_P instead
2974         of a comparison with size.
2975         * expr.c (expand_assignment): Use as_a <scalar_int_mode>.
2976         (reduce_to_bit_field_precision): Likewise.
2977         * function.c (expand_function_end): Likewise.
2978         * internal-fn.c (expand_arith_overflow_result_store): Likewise.
2979         * loop-doloop.c (doloop_modify): Likewise.
2980         * optabs.c (expand_binop): Likewise.
2981         (expand_unop): Likewise.
2982         (expand_copysign_absneg): Likewise.
2983         (prepare_cmp_insn): Likewise.
2984         (maybe_legitimize_operand): Likewise.
2985         * recog.c (const_scalar_int_operand): Likewise.
2986         * rtlanal.c (get_address_mode): Likewise.
2987         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
2988         (simplify_cond_clz_ctz): Likewise.
2989         * tree-nested.c (get_nl_goto_field): Likewise.
2990         * tree.c (build_vector_type_for_mode): Likewise.
2991         * var-tracking.c (use_narrower_mode): Likewise.
2992
2993 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2994             Alan Hayward  <alan.hayward@arm.com>
2995             David Sherwood  <david.sherwood@arm.com>
2996
2997         * tree.h (SCALAR_INT_TYPE_MODE): New macro.
2998         * builtins.c (expand_builtin_signbit): Use it.
2999         * cfgexpand.c (expand_debug_expr): Likewise.
3000         * dojump.c (do_jump): Likewise.
3001         (do_compare_and_jump): Likewise.
3002         * dwarf2cfi.c (expand_builtin_init_dwarf_reg_sizes): Likewise.
3003         * expmed.c (make_tree): Likewise.
3004         * expr.c (expand_expr_real_2): Likewise.
3005         (expand_expr_real_1): Likewise.
3006         (try_casesi): Likewise.
3007         * fold-const-call.c (fold_const_call_ss): Likewise.
3008         * fold-const.c (unextend): Likewise.
3009         (extract_muldiv_1): Likewise.
3010         (fold_single_bit_test): Likewise.
3011         (native_encode_int): Likewise.
3012         (native_encode_string): Likewise.
3013         (native_interpret_int): Likewise.
3014         * gimple-fold.c (gimple_fold_builtin_memset): Likewise.
3015         * internal-fn.c (expand_addsub_overflow): Likewise.
3016         (expand_neg_overflow): Likewise.
3017         (expand_mul_overflow): Likewise.
3018         (expand_arith_overflow): Likewise.
3019         * match.pd: Likewise.
3020         * stor-layout.c (layout_type): Likewise.
3021         * tree-cfg.c (verify_gimple_assign_ternary): Likewise.
3022         * tree-ssa-math-opts.c (convert_mult_to_widen): Likewise.
3023         * tree-ssanames.c (get_range_info): Likewise.
3024         * tree-switch-conversion.c (array_value_type) Likewise.
3025         * tree-vect-patterns.c (vect_recog_rotate_pattern): Likewise.
3026         (vect_recog_divmod_pattern): Likewise.
3027         (vect_recog_mixed_size_cond_pattern): Likewise.
3028         * tree-vrp.c (extract_range_basic): Likewise.
3029         (simplify_float_conversion_using_ranges): Likewise.
3030         * tree.c (int_fits_type_p): Likewise.
3031         * ubsan.c (instrument_bool_enum_load): Likewise.
3032         * varasm.c (mergeable_string_section): Likewise.
3033         (narrowing_initializer_constant_valid_p): Likewise.
3034         (output_constant): Likewise.
3035
3036 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3037             Alan Hayward  <alan.hayward@arm.com>
3038             David Sherwood  <david.sherwood@arm.com>
3039
3040         * machmode.h (NARROWEST_INT_MODE): New macro.
3041         * expr.c (alignment_for_piecewise_move): Use it instead of
3042         GET_CLASS_NARROWEST_MODE (MODE_INT).
3043         (push_block): Likewise.
3044         * stor-layout.c (bit_field_mode_iterator::bit_field_mode_iterator):
3045         Likewise.
3046         * tree-vrp.c (simplify_float_conversion_using_ranges): Likewise.
3047
3048 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3049             Alan Hayward  <alan.hayward@arm.com>
3050             David Sherwood  <david.sherwood@arm.com>
3051
3052         * postreload.c (move2add_valid_value_p): Change the type of the
3053         mode parameter to scalar_int_mode.
3054         (move2add_use_add2_insn): Add a mode parameter and use it instead
3055         of GET_MODE (reg).
3056         (move2add_use_add3_insn): Likewise.
3057         (reload_cse_move2add): Update accordingly.
3058
3059 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3060             Alan Hayward  <alan.hayward@arm.com>
3061             David Sherwood  <david.sherwood@arm.com>
3062
3063         * expr.c (expand_expr_real_2): Use scalar_int_mode for the
3064         double-word mode.
3065         * lower-subreg.c (resolve_shift_zext): Use is_a <scalar_int_mode>.
3066         * optabs.c (expand_unop): Likewise.
3067
3068 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3069             Alan Hayward  <alan.hayward@arm.com>
3070             David Sherwood  <david.sherwood@arm.com>
3071
3072         * dwarf2out.c (typed_binop): Change mode parameter to scalar_int_mode.
3073         (clz_loc_descriptor): Likewise.  Remove SCALAR_INT_MODE_P check.
3074         (popcount_loc_descriptor): Likewise.
3075         (bswap_loc_descriptor): Likewise.
3076         (rotate_loc_descriptor): Likewise.
3077         (mem_loc_descriptor): Add is_a <scalar_int_mode> checks before
3078         calling the functions above.
3079
3080 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3081             Alan Hayward  <alan.hayward@arm.com>
3082             David Sherwood  <david.sherwood@arm.com>
3083
3084         * combine.c (sign_extend_short_imm): Add is_a <scalar_int_mode>
3085         checks.
3086         (try_combine): Likewise.
3087         (simplify_if_then_else): Likewise.
3088         * cse.c (cse_insn): Likewise.
3089         * dwarf2out.c (mem_loc_descriptor): Likewise.
3090         * emit-rtl.c (gen_lowpart_common): Likewise.
3091         * simplify-rtx.c (simplify_truncation): Likewise.
3092         (simplify_binary_operation_1): Likewise.
3093         (simplify_const_relational_operation): Likewise.
3094         (simplify_ternary_operation): Likewise.
3095         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
3096
3097 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3098             Alan Hayward  <alan.hayward@arm.com>
3099             David Sherwood  <david.sherwood@arm.com>
3100
3101         * cse.c (cse_insn): Add is_a <scalar_int_mode> checks.
3102         * reload.c (push_reload): Likewise.
3103         (find_reloads): Likewise.
3104
3105 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3106             Alan Hayward  <alan.hayward@arm.com>
3107             David Sherwood  <david.sherwood@arm.com>
3108
3109         * combine.c (find_split_point): Add is_a <scalar_int_mode> checks.
3110         (make_compound_operation_int): Likewise.
3111         (change_zero_ext): Likewise.
3112         * expr.c (convert_move): Likewise.
3113         (convert_modes): Likewise.
3114         * fwprop.c (forward_propagate_subreg): Likewise.
3115         * loop-iv.c (get_biv_step_1): Likewise.
3116         * optabs.c (widen_operand): Likewise.
3117         * postreload.c (move2add_valid_value_p): Likewise.
3118         * recog.c (simplify_while_replacing): Likewise.
3119         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
3120         (simplify_binary_operation_1): Likewise.  Remove redundant
3121         mode equality check.
3122
3123 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3124             Alan Hayward  <alan.hayward@arm.com>
3125             David Sherwood  <david.sherwood@arm.com>
3126
3127         * combine.c (combine_simplify_rtx): Add checks for
3128         is_a <scalar_int_mode>.
3129         (simplify_if_then_else): Likewise.
3130         (make_field_assignment): Likewise.
3131         (simplify_comparison): Likewise.
3132         * ifcvt.c (noce_try_bitop): Likewise.
3133         * loop-invariant.c (canonicalize_address_mult): Likewise.
3134         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
3135
3136 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3137             Alan Hayward  <alan.hayward@arm.com>
3138             David Sherwood  <david.sherwood@arm.com>
3139
3140         * gimple-fold.c (gimple_fold_builtin_memory_op): Use
3141         is_a <scalar_int_mode> instead of != BLKmode.
3142
3143 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3144             Alan Hayward  <alan.hayward@arm.com>
3145             David Sherwood  <david.sherwood@arm.com>
3146
3147         * cfgexpand.c (expand_debug_expr): Use is_a <scalar_int_mode>
3148         instead of != VOIDmode.
3149         * combine.c (if_then_else_cond): Likewise.
3150         (change_zero_ext): Likewise.
3151         * dwarf2out.c (mem_loc_descriptor): Likewise.
3152         (loc_descriptor): Likewise.
3153         * rtlanal.c (canonicalize_condition): Likewise.
3154         * simplify-rtx.c (simplify_relational_operation_1): Likewise.
3155
3156 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3157             Alan Hayward  <alan.hayward@arm.com>
3158             David Sherwood  <david.sherwood@arm.com>
3159
3160         * simplify-rtx.c (simplify_binary_operation_1): Use
3161         is_a <scalar_int_mode> instead of !VECTOR_MODE_P.
3162
3163 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3164             Alan Hayward  <alan.hayward@arm.com>
3165             David Sherwood  <david.sherwood@arm.com>
3166
3167         * wide-int.h (int_traits<unsigned char>) New class.
3168         (int_traits<unsigned short>) Likewise.
3169         * cfgexpand.c (expand_debug_expr): Use is_a <scalar_int_mode>.
3170         Use GET_MODE_UNIT_PRECISION and remove redundant test for
3171         SCALAR_INT_MODE_P.
3172         * combine.c (set_nonzero_bits_and_sign_copies): Use
3173         is_a <scalar_int_mode>.
3174         (find_split_point): Likewise.
3175         (combine_simplify_rtx): Likewise.
3176         (simplify_logical): Likewise.
3177         (expand_compound_operation): Likewise.
3178         (expand_field_assignment): Likewise.
3179         (make_compound_operation): Likewise.
3180         (extended_count): Likewise.
3181         (change_zero_ext): Likewise.
3182         (simplify_comparison): Likewise.
3183         * dwarf2out.c (scompare_loc_descriptor): Likewise.
3184         (ucompare_loc_descriptor): Likewise.
3185         (minmax_loc_descriptor): Likewise.
3186         (mem_loc_descriptor): Likewise.
3187         (loc_descriptor): Likewise.
3188         * expmed.c (init_expmed_one_mode): Likewise.
3189         * lra-constraints.c (lra_constraint_offset): Likewise.
3190         * optabs.c (prepare_libcall_arg): Likewise.
3191         * postreload.c (move2add_note_store): Likewise.
3192         * reload.c (operands_match_p): Likewise.
3193         * rtl.h (load_extend_op): Likewise.
3194         * rtlhooks.c (gen_lowpart_general): Likewise.
3195         * simplify-rtx.c (simplify_truncation): Likewise.
3196         (simplify_unary_operation_1): Likewise.
3197         (simplify_binary_operation_1): Likewise.
3198         (simplify_const_binary_operation): Likewise.
3199         (simplify_const_relational_operation): Likewise.
3200         (simplify_subreg): Likewise.
3201         * stor-layout.c (bitwise_mode_for_mode): Likewise.
3202         * var-tracking.c (adjust_mems): Likewise.
3203         (prepare_call_arguments): Likewise.
3204
3205 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3206             Alan Hayward  <alan.hayward@arm.com>
3207             David Sherwood  <david.sherwood@arm.com>
3208
3209         * machmode.h (is_int_mode): New fuction.
3210         * combine.c (find_split_point): Use it.
3211         (combine_simplify_rtx): Likewise.
3212         (simplify_if_then_else): Likewise.
3213         (simplify_set): Likewise.
3214         (simplify_shift_const_1): Likewise.
3215         (simplify_comparison): Likewise.
3216         * config/aarch64/aarch64.c (aarch64_rtx_costs): Likewise.
3217         * cse.c (notreg_cost): Likewise.
3218         (cse_insn): Likewise.
3219         * cselib.c (cselib_lookup_1): Likewise.
3220         * dojump.c (do_jump_1): Likewise.
3221         (do_compare_rtx_and_jump): Likewise.
3222         * dse.c (get_call_args): Likewise.
3223         * dwarf2out.c (rtl_for_decl_init): Likewise.
3224         (native_encode_initializer): Likewise.
3225         * expmed.c (emit_store_flag_1): Likewise.
3226         (emit_store_flag): Likewise.
3227         * expr.c (convert_modes): Likewise.
3228         (store_field): Likewise.
3229         (expand_expr_real_1): Likewise.
3230         * fold-const.c (fold_read_from_constant_string): Likewise.
3231         * gimple-ssa-sprintf.c (get_format_string): Likewise.
3232         * optabs-libfuncs.c (gen_int_libfunc): Likewise.
3233         * optabs.c (expand_binop): Likewise.
3234         (expand_unop): Likewise.
3235         (expand_abs_nojump): Likewise.
3236         (expand_one_cmpl_abs_nojump): Likewise.
3237         * simplify-rtx.c (mode_signbit_p): Likewise.
3238         (val_signbit_p): Likewise.
3239         (val_signbit_known_set_p): Likewise.
3240         (val_signbit_known_clear_p): Likewise.
3241         (simplify_relational_operation_1): Likewise.
3242         * tree.c (vector_type_mode): Likewise.
3243
3244 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3245             Alan Hayward  <alan.hayward@arm.com>
3246             David Sherwood  <david.sherwood@arm.com>
3247
3248         * machmode.h (smallest_mode_for_size): Fix formatting.
3249         (smallest_int_mode_for_size): New function.
3250         * cfgexpand.c (expand_debug_expr): Use smallest_int_mode_for_size
3251         instead of smallest_mode_for_size.
3252         * combine.c (make_extraction): Likewise.
3253         * config/arc/arc.c (arc_expand_movmem): Likewise.
3254         * config/arm/arm.c (arm_expand_divmod_libfunc): Likewise.
3255         * config/i386/i386.c (ix86_get_mask_mode): Likewise.
3256         * config/s390/s390.c (s390_expand_insv): Likewise.
3257         * config/sparc/sparc.c (assign_int_registers): Likewise.
3258         * config/spu/spu.c (spu_function_value): Likewise.
3259         (spu_function_arg): Likewise.
3260         * coverage.c (get_gcov_type): Likewise.
3261         (get_gcov_unsigned_t): Likewise.
3262         * dse.c (find_shift_sequence): Likewise.
3263         * expmed.c (store_bit_field_1): Likewise.
3264         * expr.c (convert_move): Likewise.
3265         (store_field): Likewise.
3266         * internal-fn.c (expand_arith_overflow): Likewise.
3267         * optabs-query.c (get_best_extraction_insn): Likewise.
3268         * optabs.c (expand_twoval_binop_libfunc): Likewise.
3269         * stor-layout.c (layout_type): Likewise.
3270         (initialize_sizetypes): Likewise.
3271         * targhooks.c (default_get_mask_mode): Likewise.
3272         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Likewise.
3273
3274 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3275             Alan Hayward  <alan.hayward@arm.com>
3276             David Sherwood  <david.sherwood@arm.com>
3277
3278         * machmode.h (opt_mode::else_blk): New function.
3279         (int_mode_for_mode): Declare.
3280         * stor-layout.c (int_mode_for_mode): Return an opt_scalar_int_mode.
3281         * builtins.c (expand_builtin_signbit): Adjust for new int_mode_for_mode
3282         return type.
3283         * cfgexpand.c (expand_debug_expr): Likewise.
3284         * combine.c (gen_lowpart_or_truncate): Likewise.
3285         (gen_lowpart_for_combine): Likewise.
3286         * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Likewise.
3287         * config/avr/avr.c (avr_to_int_mode): Likewise.
3288         (avr_out_plus_1): Likewise.
3289         (avr_out_plus): Likewise.
3290         (avr_out_round): Likewise.
3291         * config/i386/i386.c (ix86_split_to_parts): Likewise.
3292         * config/s390/s390.c (s390_expand_vec_compare_cc): Likewise.
3293         (s390_expand_vcond): Likewise.
3294         * config/spu/spu.c (spu_split_immediate): Likewise.
3295         (spu_expand_mov): Likewise.
3296         * dse.c (get_stored_val): Likewise.
3297         * expmed.c (store_bit_field_1): Likewise.
3298         (convert_extracted_bit_field): Use int_mode_for_mode instead of
3299         int_mode_for_size.
3300         (extract_bit_field_1): Adjust for new int_mode_for_mode return type.
3301         (extract_low_bits): Likewise.
3302         * expr.c (emit_group_load_1): Likewise.  Separate out the BLKmode
3303         handling rather than repeating the check.
3304         (emit_group_store): Likewise.
3305         (emit_move_via_integer): Adjust for new int_mode_for_mode return type.
3306         * optabs.c (expand_absneg_bit): Likewise.
3307         (expand_copysign_absneg): Likewise.
3308         (expand_copysign_bit): Likewise.
3309         * tree-if-conv.c (ifcvt_can_use_mask_load_store): Likewise.
3310         * tree-vect-slp.c (vect_transform_slp_perm_load): Likewise.
3311         * tree-vect-stmts.c (vect_gen_perm_mask_any): Likewise.
3312         * var-tracking.c (prepare_call_arguments):  Likewise.
3313         * config/powerpcspe/powerpcspe.c (rs6000_do_expand_vec_perm): Use
3314         int_mode_for_mode instead of mode_for_size.
3315         * config/rs6000/rs6000.c (rs6000_do_expand_vec_perm): Likewise.
3316
3317 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3318             Alan Hayward  <alan.hayward@arm.com>
3319             David Sherwood  <david.sherwood@arm.com>
3320
3321         * machmode.h (int_mode_for_size): New function.
3322         * builtins.c (set_builtin_user_assembler_name): Use int_mode_for_size
3323         instead of mode_for_size.
3324         * calls.c (save_fixed_argument_area): Likewise.  Make use of BLKmode
3325         explicit.
3326         * combine.c (expand_field_assignment): Use int_mode_for_size
3327         instead of mode_for_size.
3328         (make_extraction): Likewise.
3329         (simplify_shift_const_1): Likewise.
3330         (simplify_comparison): Likewise.
3331         * dojump.c (do_jump): Likewise.
3332         * dwarf2out.c (mem_loc_descriptor): Likewise.
3333         * emit-rtl.c (init_derived_machine_modes): Likewise.
3334         * expmed.c (flip_storage_order): Likewise.
3335         (convert_extracted_bit_field): Likewise.
3336         * expr.c (copy_blkmode_from_reg): Likewise.
3337         * graphite-isl-ast-to-gimple.c (max_mode_int_precision): Likewise.
3338         * internal-fn.c (expand_mul_overflow): Likewise.
3339         * lower-subreg.c (simple_move): Likewise.
3340         * optabs-libfuncs.c (init_optabs): Likewise.
3341         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
3342         * tree.c (vector_type_mode): Likewise.
3343         * tree-ssa-strlen.c (handle_builtin_memcmp): Likewise.
3344         * tree-vect-data-refs.c (vect_lanes_optab_supported_p): Likewise.
3345         * tree-vect-generic.c (expand_vector_parallel): Likewise.
3346         * tree-vect-stmts.c (vectorizable_load): Likewise.
3347         (vectorizable_store): Likewise.
3348
3349 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3350             Alan Hayward  <alan.hayward@arm.com>
3351             David Sherwood  <david.sherwood@arm.com>
3352
3353         * coretypes.h (pod_mode): New type.
3354         (scalar_int_mode_pod): New typedef.
3355         * machmode.h (pod_mode): New class.
3356         (int_n_data_t::m): Change type to scalar_int_mode_pod.
3357         * genmodes.c (emit_mode_int_n): Update accordingly.
3358         * lower-subreg.h (target_lower_subreg): Change type to
3359         scalar_int_mode_pod.
3360         * gdbhooks.py (build_pretty_printer): Handle pod_mode and
3361         scalar_int_mode_pod.
3362
3363 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3364             Alan Hayward  <alan.hayward@arm.com>
3365             David Sherwood  <david.sherwood@arm.com>
3366
3367         * config/powerpcspe/powerpcspe.h (rs6000_pmode): Change type from
3368         machine_mode to scalar_int_mode.
3369         * config/powerpcspe/powerpcspe.c (rs6000_pmode): Likewise.
3370         (rs6000_option_override_internal): Remove cast to int.
3371         * config/rs6000/rs6000.h (rs6000_pmode): Change type from
3372         machine_mode to scalar_int_mode.
3373         * config/rs6000/rs6000.c (rs6000_pmode): Likewise.
3374         (rs6000_option_override_internal): Remove cast to int.
3375         * config/s390/s390.h (Pmode): Remove cast to machine_mode.
3376         * config/epiphany/epiphany.h (RTX_OK_FOR_OFFSET_P): Add cast
3377         to machine_mode.
3378         * config/s390/s390.c (s390_expand_builtin): Likewise.
3379         * coretypes.h (scalar_int_mode): New type.
3380         (opt_scalar_int_mode): New typedef.
3381         * machmode.h (scalar_int_mode): New class.
3382         (scalar_int_mode::includes_p): New function.
3383         (byte_mode): Change type to scalar_int_mode.
3384         (word_mode): Likewise.
3385         (ptr_mode): Likewise.
3386         * emit-rtl.c (byte_mode): Likewise.
3387         (word_mode): Likewise.
3388         (ptr_mode): Likewise.
3389         (init_derived_machine_modes): Update accordingly.
3390         * genmodes.c (get_mode_class): Return scalar_int_mode for MODE_INT
3391         and MODE_PARTIAL_INT.
3392         * gdbhooks.py (build_pretty_printer): Handle scalar_int_mode and
3393         opt_scalar_int_mode.
3394
3395 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3396             Alan Hayward  <alan.hayward@arm.com>
3397             David Sherwood  <david.sherwood@arm.com>
3398
3399         * target.def (libgcc_floating_mode_supported_p): Take a
3400         scalar_float_mode.
3401         * doc/tm.texi: Regenerate.
3402         * targhooks.h (default_libgcc_floating_mode_supported_p): Take a
3403         scalar_float_mode.
3404         * targhooks.c (default_libgcc_floating_mode_supported_p): Likewise.
3405         * config/aarch64/aarch64.c (aarch64_libgcc_floating_mode_supported_p):
3406         Likewise.
3407
3408 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3409             Alan Hayward  <alan.hayward@arm.com>
3410             David Sherwood  <david.sherwood@arm.com>
3411
3412         * target.def (default_floatn_mode): Return an opt_scalar_float_mode.
3413         * doc/tm.texi: Regenerate.
3414         * config/arm/arm.c (arm_floatn_mode): Return an opt_scalar_float_mode.
3415         * config/powerpcspe/powerpcspe.c (rs6000_floatn_mode): Likewise.
3416         * config/rs6000/rs6000.c (rs6000_floatn_mode): Likewise.
3417         * targhooks.h (default_floatn_mode): Likewise.
3418         * targhooks.c (default_floatn_mode): Likewise.
3419         * tree.c (build_common_tree_nodes): Update accordingly.
3420
3421 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3422             Alan Hayward  <alan.hayward@arm.com>
3423             David Sherwood  <david.sherwood@arm.com>
3424
3425         * machmode.h (mode_iterator::start): Provide overload for opt_modes.
3426         (mode_iterator::iterate_p): Likewise.
3427         (mode_iterator::get_wider): Likewise.
3428         * expr.c (init_expr_target): Use opt_scalar_float_mode.
3429
3430 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3431             Alan Hayward  <alan.hayward@arm.com>
3432             David Sherwood  <david.sherwood@arm.com>
3433
3434         * coretypes.h (opt_scalar_float_mode): New typedef.
3435         * machmode.h (float_mode_for_size): New function.
3436         * emit-rtl.c (double_mode): Delete.
3437         (init_emit_once): Use float_mode_for_size.
3438         * stor-layout.c (layout_type): Likewise.
3439         * gdbhooks.py (build_pretty_printer): Handle opt_scalar_float_mode.
3440
3441 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3442             Alan Hayward  <alan.hayward@arm.com>
3443             David Sherwood  <david.sherwood@arm.com>
3444
3445         * output.h (assemble_real): Take a scalar_float_mode.
3446         * config/arm/arm.c (arm_assemble_integer): Update accordingly.
3447         * config/arm/arm.md (consttable_4): Likewise.
3448         (consttable_8): Likewise.
3449         (consttable_16): Likewise.
3450         * config/mips/mips.md (consttable_float): Likewise.
3451         * config/s390/s390.c (s390_output_pool_entry): Likewise.
3452         * varasm.c (assemble_real): Take a scalar_float_mode.
3453         (output_constant_pool_2): Update accordingly.
3454         (output_constant): Likewise.
3455
3456 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3457             Alan Hayward  <alan.hayward@arm.com>
3458             David Sherwood  <david.sherwood@arm.com>
3459
3460         * tree.h (SCALAR_FLOAT_TYPE_MODE): New macro.
3461         * builtins.c (expand_builtin_signbit): Use it instead of TYPE_MODE.
3462         * fold-const.c (fold_convert_const_real_from_fixed): Likewise.
3463         (native_encode_real): Likewise.
3464         (native_interpret_real): Likewise.
3465         * hsa-brig.c (emit_immediate_scalar_to_buffer): Likewise.
3466         * tree-vrp.c (simplify_float_conversion_using_ranges): Likewise.
3467
3468 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3469             Alan Hayward  <alan.hayward@arm.com>
3470             David Sherwood  <david.sherwood@arm.com>
3471
3472         * optabs-libfuncs.c (gen_trunc_conv_libfunc): Use is_a
3473         <scalar_float_mode>.  Simplify.
3474         (gen_extend_conv_libfunc): Likewise.
3475
3476 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3477             Alan Hayward  <alan.hayward@arm.com>
3478             David Sherwood  <david.sherwood@arm.com>
3479
3480         * coretypes.h (scalar_float_mode): New type.
3481         * machmode.h (mode_traits::from_int): Use machine_mode if
3482         USE_ENUM_MODES is defined.
3483         (is_a): New function.
3484         (as_a): Likewise.
3485         (dyn_cast): Likewise.
3486         (scalar_float_mode): New class.
3487         (scalar_float_mode::includes_p): New function.
3488         (is_float_mode): Likewise.
3489         * gdbhooks.py (MachineModePrinter): New class.
3490         (build_pretty_printer): Use it for scalar_float_mode.
3491         * real.h (FLOAT_MODE_FORMAT): Use as_a <scalar_float_mode>.
3492         (format_helper::format_helper): Turn into a template.
3493         * genmodes.c (get_mode_class): New function.
3494         (emit_insn_modes_h): Give modes the class returned by get_mode_class,
3495         or machine_mode if none.
3496         * config/aarch64/aarch64.c (aarch64_simd_valid_immediate): Use
3497         as_a <scalar_float_mode>.
3498         * dwarf2out.c (mem_loc_descriptor): Likewise.
3499         (insert_float): Likewise.
3500         (add_const_value_attribute): Likewise.
3501         * simplify-rtx.c (simplify_immed_subreg): Likewise.
3502         * optabs.c (expand_absneg_bit): Take a scalar_float_mode.
3503         (expand_unop): Update accordingly.
3504         (expand_abs_nojump): Likewise.
3505         (expand_copysign_absneg): Take a scalar_float_mode.
3506         (expand_copysign_bit): Likewise.
3507         (expand_copysign): Update accordingly.
3508
3509 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3510             Alan Hayward  <alan.hayward@arm.com>
3511             David Sherwood  <david.sherwood@arm.com>
3512
3513         * coretypes.h (opt_mode): New class.
3514         * machmode.h (opt_mode): Likewise.
3515         (opt_mode::else_void): New function.
3516         (opt_mode::require): Likewise.
3517         (opt_mode::exists): Likewise.
3518         (GET_MODE_WIDER_MODE): Turn into a function and return an opt_mode.
3519         (GET_MODE_2XWIDER_MODE): Likewise.
3520         (mode_iterator::get_wider): Update accordingly.
3521         (mode_iterator::get_2xwider): Likewise.
3522         (mode_iterator::get_known_wider): Likewise, turning into a template.
3523         * combine.c (make_extraction): Update use of GET_MODE_WIDER_MODE,
3524         forcing a wider mode to exist.
3525         * config/cr16/cr16.h (LONG_REG_P): Likewise.
3526         * rtlanal.c (init_num_sign_bit_copies_in_rep): Likewise.
3527         * config/c6x/c6x.c (c6x_rtx_costs): Update use of
3528         GET_MODE_2XWIDER_MODE, forcing a wider mode to exist.
3529         * lower-subreg.c (init_lower_subreg): Likewise.
3530         * optabs-libfuncs.c (init_sync_libfuncs_1): Likewise, but not
3531         on the final iteration.
3532         * config/i386/i386.c (ix86_expand_set_or_movmem): Check whether
3533         a wider mode exists before asking for a move pattern.
3534         (get_mode_wider_vector): Update use of GET_MODE_WIDER_MODE,
3535         forcing a wider mode to exist.
3536         (expand_vselect_vconcat): Update use of GET_MODE_2XWIDER_MODE,
3537         returning false if no such mode exists.
3538         * config/ia64/ia64.c (expand_vselect_vconcat): Likewise.
3539         * config/mips/mips.c (mips_expand_vselect_vconcat): Likewise.
3540         * expmed.c (init_expmed_one_mode): Update use of GET_MODE_WIDER_MODE.
3541         Avoid checking for a MODE_INT if we already know the mode is not a
3542         SCALAR_INT_MODE_P.
3543         (extract_high_half): Update use of GET_MODE_WIDER_MODE,
3544         forcing a wider mode to exist.
3545         (expmed_mult_highpart_optab): Likewise.
3546         (expmed_mult_highpart): Likewise.
3547         * expr.c (expand_expr_real_2): Update use of GET_MODE_WIDER_MODE,
3548         using else_void.
3549         * lto-streamer-in.c (lto_input_mode_table): Likewise.
3550         * optabs-query.c (find_widening_optab_handler_and_mode): Likewise.
3551         * stor-layout.c (bit_field_mode_iterator::next_mode): Likewise.
3552         * internal-fn.c (expand_mul_overflow): Update use of
3553         GET_MODE_2XWIDER_MODE.
3554         * omp-low.c (omp_clause_aligned_alignment): Likewise.
3555         * tree-ssa-math-opts.c (convert_mult_to_widen): Update use of
3556         GET_MODE_WIDER_MODE.
3557         (convert_plusminus_to_widen): Likewise.
3558         * tree-switch-conversion.c (array_value_type): Likewise.
3559         * var-tracking.c (emit_note_insn_var_location): Likewise.
3560         * tree-vrp.c (simplify_float_conversion_using_ranges): Likewise.
3561         Return false inside rather than outside the loop if no wider mode
3562         exists
3563         * optabs.c (expand_binop): Update use of GET_MODE_WIDER_MODE
3564         and GET_MODE_2XWIDER_MODE
3565         (can_compare_p): Use else_void.
3566         * gdbhooks.py (OptMachineModePrinter): New class.
3567         (build_pretty_printer): Use it for opt_mode.
3568
3569 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3570             Alan Hayward  <alan.hayward@arm.com>
3571             David Sherwood  <david.sherwood@arm.com>
3572
3573         * tree-switch-conversion.c (array_value_type): Only read TYPE_MODE
3574         once.  Use get_narrowest_mode instead of GET_CLASS_NARROWEST_MODE.
3575
3576 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3577             Alan Hayward  <alan.hayward@arm.com>
3578             David Sherwood  <david.sherwood@arm.com>
3579
3580         * machmode.h (mode_traits): New structure.
3581         (get_narrowest_mode): New function.
3582         (mode_iterator::start): Likewise.
3583         (mode_iterator::iterate_p): Likewise.
3584         (mode_iterator::get_wider): Likewise.
3585         (mode_iterator::get_known_wider): Likewise.
3586         (mode_iterator::get_2xwider): Likewise.
3587         (FOR_EACH_MODE_IN_CLASS): New mode iterator.
3588         (FOR_EACH_MODE): Likewise.
3589         (FOR_EACH_MODE_FROM): Likewise.
3590         (FOR_EACH_MODE_UNTIL): Likewise.
3591         (FOR_EACH_WIDER_MODE): Likewise.
3592         (FOR_EACH_2XWIDER_MODE): Likewise.
3593         * builtins.c (expand_builtin_strlen): Use new mode iterators.
3594         * combine.c (simplify_comparison): Likewise
3595         * config/i386/i386.c (type_natural_mode): Likewise.
3596         * cse.c (cse_insn): Likewise.
3597         * dse.c (find_shift_sequence): Likewise.
3598         * emit-rtl.c (init_derived_machine_modes): Likewise.
3599         (init_emit_once): Likewise.
3600         * explow.c (hard_function_value): Likewise.
3601         * expmed.c (extract_fixed_bit_field_1): Likewise.
3602         (extract_bit_field_1): Likewise.
3603         (expand_divmod): Likewise.
3604         (emit_store_flag_1): Likewise.
3605         * expr.c (init_expr_target): Likewise.
3606         (convert_move): Likewise.
3607         (alignment_for_piecewise_move): Likewise.
3608         (widest_int_mode_for_size): Likewise.
3609         (emit_block_move_via_movmem): Likewise.
3610         (copy_blkmode_to_reg): Likewise.
3611         (set_storage_via_setmem): Likewise.
3612         (compress_float_constant): Likewise.
3613         * omp-low.c (omp_clause_aligned_alignment): Likewise.
3614         * optabs-query.c (get_best_extraction_insn): Likewise.
3615         * optabs.c (expand_binop): Likewise.
3616         (expand_twoval_unop): Likewise.
3617         (expand_twoval_binop): Likewise.
3618         (widen_leading): Likewise.
3619         (widen_bswap): Likewise.
3620         (expand_parity): Likewise.
3621         (expand_unop): Likewise.
3622         (prepare_cmp_insn): Likewise.
3623         (prepare_float_lib_cmp): Likewise.
3624         (expand_float): Likewise.
3625         (expand_fix): Likewise.
3626         (expand_sfix_optab): Likewise.
3627         * postreload.c (move2add_use_add2_insn): Likewise.
3628         * reg-stack.c (reg_to_stack): Likewise.
3629         * reginfo.c (choose_hard_reg_mode): Likewise.
3630         * rtlanal.c (init_num_sign_bit_copies_in_rep): Likewise.
3631         * stor-layout.c (mode_for_size): Likewise.
3632         (smallest_mode_for_size): Likewise.
3633         (mode_for_vector): Likewise.
3634         (finish_bitfield_representative): Likewise.
3635         * tree-ssa-math-opts.c (target_supports_divmod_p): Likewise.
3636         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
3637         * tree-vect-stmts.c (vectorizable_conversion): Likewise.
3638         * var-tracking.c (prepare_call_arguments): Likewise.
3639
3640 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3641             Alan Hayward  <alan.hayward@arm.com>
3642             David Sherwood  <david.sherwood@arm.com>
3643
3644         * genconditions.c (write_header): Add a "#define USE_ENUM_MODES".
3645         * genmodes.c (emit_insn_modes_h): Define FOOmode to E_FOOmode if
3646         USE_ENUM_MODES is defined and to ((void) 0, E_FOOmode) otherwise.
3647         * machmode.h (mode_size): Move earlier in file.
3648         (mode_precision): Likewise.
3649         (mode_inner): Likewise.
3650         (mode_nunits): Likewise.
3651         (mode_unit_size): Likewise.
3652         (unit_unit_precision): Likewise.
3653         (mode_wider): Likewise.
3654         (mode_2xwider): Likewise.
3655         (machine_mode): New class.
3656         (mode_to_bytes): New function.
3657         (mode_to_bits): Likewise.
3658         (mode_to_precision): Likewise.
3659         (mode_to_inner): Likewise.
3660         (mode_to_unit_size): Likewise.
3661         (mode_to_unit_precision): Likewise.
3662         (mode_to_nunits): Likewise.
3663         (GET_MODE_SIZE): Use mode_to_bytes.
3664         (GET_MODE_BITSIZE): Use mode_to_bits.
3665         (GET_MODE_PRECISION): Use mode_to_precision.
3666         (GET_MODE_INNER): Use mode_to_inner.
3667         (GET_MODE_UNIT_SIZE): Use mode_to_unit_size.
3668         (GET_MODE_UNIT_PRECISION): Use mode_to_unit_precision.
3669         (GET_MODE_NUNITS): Use mode_to_nunits.
3670         * system.h (ALWAYS_INLINE): New macro.
3671         * config/powerpcspe/powerpcspe-c.c
3672         (altivec_resolve_overloaded_builtin): Use machine_mode instead of
3673         int for arg1_mode and arg2_mode.
3674
3675 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3676             Alan Hayward  <alan.hayward@arm.com>
3677             David Sherwood  <david.sherwood@arm.com>
3678
3679         * config/aarch64/aarch64-builtins.c (aarch64_simd_builtin_std_type):
3680         Prefix mode names with E_ in case statements.
3681         * config/aarch64/aarch64-elf.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
3682         * config/aarch64/aarch64.c (aarch64_split_simd_combine): Likewise.
3683         (aarch64_split_simd_move): Likewise.
3684         (aarch64_gen_storewb_pair): Likewise.
3685         (aarch64_gen_loadwb_pair): Likewise.
3686         (aarch64_gen_store_pair): Likewise.
3687         (aarch64_gen_load_pair): Likewise.
3688         (aarch64_get_condition_code_1): Likewise.
3689         (aarch64_constant_pool_reload_icode): Likewise.
3690         (get_rsqrte_type): Likewise.
3691         (get_rsqrts_type): Likewise.
3692         (get_recpe_type): Likewise.
3693         (get_recps_type): Likewise.
3694         (aarch64_gimplify_va_arg_expr): Likewise.
3695         (aarch64_simd_container_mode): Likewise.
3696         (aarch64_emit_load_exclusive): Likewise.
3697         (aarch64_emit_store_exclusive): Likewise.
3698         (aarch64_expand_compare_and_swap): Likewise.
3699         (aarch64_gen_atomic_cas): Likewise.
3700         (aarch64_emit_bic): Likewise.
3701         (aarch64_emit_atomic_swap): Likewise.
3702         (aarch64_emit_atomic_load_op): Likewise.
3703         (aarch64_evpc_trn): Likewise.
3704         (aarch64_evpc_uzp): Likewise.
3705         (aarch64_evpc_zip): Likewise.
3706         (aarch64_evpc_ext): Likewise.
3707         (aarch64_evpc_rev): Likewise.
3708         (aarch64_evpc_dup): Likewise.
3709         (aarch64_gen_ccmp_first): Likewise.
3710         (aarch64_gen_ccmp_next): Likewise.
3711         * config/alpha/alpha.c (alpha_scalar_mode_supported_p): Likewise.
3712         (alpha_emit_xfloating_libcall): Likewise.
3713         (emit_insxl): Likewise.
3714         (alpha_arg_type): Likewise.
3715         * config/arc/arc.c (arc_vector_mode_supported_p): Likewise.
3716         (arc_preferred_simd_mode): Likewise.
3717         (arc_secondary_reload): Likewise.
3718         (get_arc_condition_code): Likewise.
3719         (arc_print_operand): Likewise.
3720         (arc_legitimate_constant_p): Likewise.
3721         * config/arc/arc.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
3722         * config/arc/arc.md (casesi_load): Likewise.
3723         (casesi_compact_jump): Likewise.
3724         * config/arc/predicates.md (proper_comparison_operator): Likewise.
3725         (cc_use_register): Likewise.
3726         * config/arm/aout.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
3727         * config/arm/arm-builtins.c (arm_simd_builtin_std_type): Likewise.
3728         (arm_init_iwmmxt_builtins): Likewise.
3729         * config/arm/arm.c (thumb1_size_rtx_costs): Likewise.
3730         (neon_expand_vector_init): Likewise.
3731         (arm_attr_length_move_neon): Likewise.
3732         (maybe_get_arm_condition_code): Likewise.
3733         (arm_emit_vector_const): Likewise.
3734         (arm_preferred_simd_mode): Likewise.
3735         (arm_output_iwmmxt_tinsr): Likewise.
3736         (thumb1_output_casesi): Likewise.
3737         (thumb2_output_casesi): Likewise.
3738         (arm_emit_load_exclusive): Likewise.
3739         (arm_emit_store_exclusive): Likewise.
3740         (arm_expand_compare_and_swap): Likewise.
3741         (arm_evpc_neon_vuzp): Likewise.
3742         (arm_evpc_neon_vzip): Likewise.
3743         (arm_evpc_neon_vrev): Likewise.
3744         (arm_evpc_neon_vtrn): Likewise.
3745         (arm_evpc_neon_vext): Likewise.
3746         (arm_validize_comparison): Likewise.
3747         * config/arm/neon.md (neon_vc<cmp_op><mode>): Likewise.
3748         * config/avr/avr-c.c (avr_resolve_overloaded_builtin): Likewise.
3749         * config/avr/avr.c (avr_rtx_costs_1): Likewise.
3750         * config/c6x/c6x.c (c6x_vector_mode_supported_p): Likewise.
3751         (c6x_preferred_simd_mode): Likewise.
3752         * config/epiphany/epiphany.c (get_epiphany_condition_code): Likewise.
3753         (epiphany_rtx_costs): Likewise.
3754         * config/epiphany/predicates.md (proper_comparison_operator):
3755         Likewise.
3756         * config/frv/frv.c (condexec_memory_operand): Likewise.
3757         (frv_emit_move): Likewise.
3758         (output_move_single): Likewise.
3759         (output_condmove_single): Likewise.
3760         (frv_hard_regno_mode_ok): Likewise.
3761         (frv_matching_accg_mode): Likewise.
3762         * config/h8300/h8300.c (split_adds_subs): Likewise.
3763         (h8300_rtx_costs): Likewise.
3764         (h8300_print_operand): Likewise.
3765         (compute_mov_length): Likewise.
3766         (output_logical_op): Likewise.
3767         (compute_logical_op_length): Likewise.
3768         (compute_logical_op_cc): Likewise.
3769         (h8300_shift_needs_scratch_p): Likewise.
3770         (output_a_shift): Likewise.
3771         (compute_a_shift_length): Likewise.
3772         (compute_a_shift_cc): Likewise.
3773         (expand_a_rotate): Likewise.
3774         (output_a_rotate): Likewise.
3775         * config/i386/i386.c (classify_argument): Likewise.
3776         (function_arg_advance_32): Likewise.
3777         (function_arg_32): Likewise.
3778         (function_arg_64): Likewise.
3779         (function_value_64): Likewise.
3780         (ix86_gimplify_va_arg): Likewise.
3781         (ix86_legitimate_constant_p): Likewise.
3782         (put_condition_code): Likewise.
3783         (split_double_mode): Likewise.
3784         (ix86_avx256_split_vector_move_misalign): Likewise.
3785         (ix86_expand_vector_logical_operator): Likewise.
3786         (ix86_split_idivmod): Likewise.
3787         (ix86_expand_adjust_ufix_to_sfix_si): Likewise.
3788         (ix86_build_const_vector): Likewise.
3789         (ix86_build_signbit_mask): Likewise.
3790         (ix86_match_ccmode): Likewise.
3791         (ix86_cc_modes_compatible): Likewise.
3792         (ix86_expand_branch): Likewise.
3793         (ix86_expand_sse_cmp): Likewise.
3794         (ix86_expand_sse_movcc): Likewise.
3795         (ix86_expand_int_sse_cmp): Likewise.
3796         (ix86_expand_vec_perm_vpermi2): Likewise.
3797         (ix86_expand_vec_perm): Likewise.
3798         (ix86_expand_sse_unpack): Likewise.
3799         (ix86_expand_int_addcc): Likewise.
3800         (ix86_split_to_parts): Likewise.
3801         (ix86_vectorize_builtin_gather): Likewise.
3802         (ix86_vectorize_builtin_scatter): Likewise.
3803         (avx_vpermilp_parallel): Likewise.
3804         (inline_memory_move_cost): Likewise.
3805         (ix86_tieable_integer_mode_p): Likewise.
3806         (x86_maybe_negate_const_int): Likewise.
3807         (ix86_expand_vector_init_duplicate): Likewise.
3808         (ix86_expand_vector_init_one_nonzero): Likewise.
3809         (ix86_expand_vector_init_one_var): Likewise.
3810         (ix86_expand_vector_init_concat): Likewise.
3811         (ix86_expand_vector_init_interleave): Likewise.
3812         (ix86_expand_vector_init_general): Likewise.
3813         (ix86_expand_vector_set): Likewise.
3814         (ix86_expand_vector_extract): Likewise.
3815         (emit_reduc_half): Likewise.
3816         (ix86_emit_i387_round): Likewise.
3817         (ix86_mangle_type): Likewise.
3818         (ix86_expand_round_sse4): Likewise.
3819         (expand_vec_perm_blend): Likewise.
3820         (canonicalize_vector_int_perm): Likewise.
3821         (ix86_expand_vec_one_operand_perm_avx512): Likewise.
3822         (expand_vec_perm_1): Likewise.
3823         (expand_vec_perm_interleave3): Likewise.
3824         (expand_vec_perm_even_odd_pack): Likewise.
3825         (expand_vec_perm_even_odd_1): Likewise.
3826         (expand_vec_perm_broadcast_1): Likewise.
3827         (ix86_vectorize_vec_perm_const_ok): Likewise.
3828         (ix86_expand_vecop_qihi): Likewise.
3829         (ix86_expand_mul_widen_hilo): Likewise.
3830         (ix86_expand_sse2_abs): Likewise.
3831         (ix86_expand_pextr): Likewise.
3832         (ix86_expand_pinsr): Likewise.
3833         (ix86_preferred_simd_mode): Likewise.
3834         (ix86_simd_clone_compute_vecsize_and_simdlen): Likewise.
3835         * config/i386/sse.md (*andnot<mode>3): Likewise.
3836         (<mask_codefor><code><mode>3<mask_name>): Likewise.
3837         (*<code><mode>3): Likewise.
3838         * config/ia64/ia64.c (ia64_expand_vecint_compare): Likewise.
3839         (ia64_expand_atomic_op): Likewise.
3840         (ia64_arg_type): Likewise.
3841         (ia64_mode_to_int): Likewise.
3842         (ia64_scalar_mode_supported_p): Likewise.
3843         (ia64_vector_mode_supported_p): Likewise.
3844         (expand_vec_perm_broadcast): Likewise.
3845         * config/iq2000/iq2000.c (iq2000_move_1word): Likewise.
3846         (iq2000_function_arg_advance): Likewise.
3847         (iq2000_function_arg): Likewise.
3848         * config/m32c/m32c.c (m32c_preferred_reload_class): Likewise.
3849         * config/m68k/m68k.c (output_dbcc_and_branch): Likewise.
3850         (m68k_libcall_value): Likewise.
3851         (m68k_function_value): Likewise.
3852         (sched_attr_op_type): Likewise.
3853         * config/mcore/mcore.c (mcore_output_move): Likewise.
3854         * config/microblaze/microblaze.c (microblaze_function_arg_advance):
3855         Likewise.
3856         (microblaze_function_arg): Likewise.
3857         * config/mips/mips.c (mips16_build_call_stub): Likewise.
3858         (mips_print_operand): Likewise.
3859         (mips_mode_ok_for_mov_fmt_p): Likewise.
3860         (mips_vector_mode_supported_p): Likewise.
3861         (mips_preferred_simd_mode): Likewise.
3862         (mips_expand_vpc_loongson_even_odd): Likewise.
3863         (mips_expand_vec_unpack): Likewise.
3864         (mips_expand_vi_broadcast): Likewise.
3865         (mips_expand_vector_init): Likewise.
3866         (mips_expand_vec_reduc): Likewise.
3867         (mips_expand_msa_cmp): Likewise.
3868         * config/mips/mips.md (casesi_internal_mips16_<mode>): Likewise.
3869         * config/mn10300/mn10300.c (mn10300_print_operand): Likewise.
3870         (cc_flags_for_mode): Likewise.
3871         * config/msp430/msp430.c (msp430_print_operand): Likewise.
3872         * config/nds32/nds32-md-auxiliary.c (nds32_mem_format): Likewise.
3873         (nds32_output_casesi_pc_relative): Likewise.
3874         * config/nds32/nds32.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
3875         * config/nvptx/nvptx.c (nvptx_ptx_type_from_mode): Likewise.
3876         (nvptx_gen_unpack): Likewise.
3877         (nvptx_gen_pack): Likewise.
3878         (nvptx_gen_shuffle): Likewise.
3879         (nvptx_gen_wcast): Likewise.
3880         (nvptx_preferred_simd_mode): Likewise.
3881         * config/pa/pa.c (pa_secondary_reload): Likewise.
3882         * config/pa/predicates.md (base14_operand): Likewise.
3883         * config/powerpcspe/powerpcspe-c.c
3884         (altivec_resolve_overloaded_builtin): Likewise.
3885         * config/powerpcspe/powerpcspe.c (rs6000_setup_reg_addr_masks):
3886         Likewise.
3887         (rs6000_preferred_simd_mode): Likewise.
3888         (output_vec_const_move): Likewise.
3889         (rs6000_expand_vector_extract): Likewise.
3890         (rs6000_split_vec_extract_var): Likewise.
3891         (reg_offset_addressing_ok_p): Likewise.
3892         (rs6000_legitimate_offset_address_p): Likewise.
3893         (rs6000_legitimize_address): Likewise.
3894         (rs6000_emit_set_const): Likewise.
3895         (rs6000_const_vec): Likewise.
3896         (rs6000_emit_move): Likewise.
3897         (spe_build_register_parallel): Likewise.
3898         (rs6000_darwin64_record_arg_recurse): Likewise.
3899         (swap_selector_for_mode): Likewise.
3900         (spe_init_builtins): Likewise.
3901         (paired_init_builtins): Likewise.
3902         (altivec_init_builtins): Likewise.
3903         (do_load_for_compare): Likewise.
3904         (rs6000_generate_compare): Likewise.
3905         (rs6000_expand_float128_convert): Likewise.
3906         (emit_load_locked): Likewise.
3907         (emit_store_conditional): Likewise.
3908         (rs6000_output_function_epilogue): Likewise.
3909         (rs6000_handle_altivec_attribute): Likewise.
3910         (rs6000_function_value): Likewise.
3911         (emit_fusion_gpr_load): Likewise.
3912         (emit_fusion_p9_load): Likewise.
3913         (emit_fusion_p9_store): Likewise.
3914         * config/powerpcspe/predicates.md (easy_fp_constant): Likewise.
3915         (fusion_gpr_mem_load): Likewise.
3916         (fusion_addis_mem_combo_load): Likewise.
3917         (fusion_addis_mem_combo_store): Likewise.
3918         * config/rs6000/predicates.md (easy_fp_constant): Likewise.
3919         (fusion_gpr_mem_load): Likewise.
3920         (fusion_addis_mem_combo_load): Likewise.
3921         (fusion_addis_mem_combo_store): Likewise.
3922         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
3923         Likewise.
3924         * config/rs6000/rs6000-string.c (do_load_for_compare): Likewise.
3925         * config/rs6000/rs6000.c (rs6000_setup_reg_addr_masks): Likewise.
3926         (rs6000_preferred_simd_mode): Likewise.
3927         (output_vec_const_move): Likewise.
3928         (rs6000_expand_vector_extract): Likewise.
3929         (rs6000_split_vec_extract_var): Likewise.
3930         (reg_offset_addressing_ok_p): Likewise.
3931         (rs6000_legitimate_offset_address_p): Likewise.
3932         (rs6000_legitimize_address): Likewise.
3933         (rs6000_emit_set_const): Likewise.
3934         (rs6000_const_vec): Likewise.
3935         (rs6000_emit_move): Likewise.
3936         (rs6000_darwin64_record_arg_recurse): Likewise.
3937         (swap_selector_for_mode): Likewise.
3938         (paired_init_builtins): Likewise.
3939         (altivec_init_builtins): Likewise.
3940         (rs6000_expand_float128_convert): Likewise.
3941         (emit_load_locked): Likewise.
3942         (emit_store_conditional): Likewise.
3943         (rs6000_output_function_epilogue): Likewise.
3944         (rs6000_handle_altivec_attribute): Likewise.
3945         (rs6000_function_value): Likewise.
3946         (emit_fusion_gpr_load): Likewise.
3947         (emit_fusion_p9_load): Likewise.
3948         (emit_fusion_p9_store): Likewise.
3949         * config/rx/rx.c (rx_gen_move_template): Likewise.
3950         (flags_from_mode): Likewise.
3951         * config/s390/predicates.md (s390_alc_comparison): Likewise.
3952         (s390_slb_comparison): Likewise.
3953         * config/s390/s390.c (s390_handle_vectorbool_attribute): Likewise.
3954         (s390_vector_mode_supported_p): Likewise.
3955         (s390_cc_modes_compatible): Likewise.
3956         (s390_match_ccmode_set): Likewise.
3957         (s390_canonicalize_comparison): Likewise.
3958         (s390_emit_compare_and_swap): Likewise.
3959         (s390_branch_condition_mask): Likewise.
3960         (s390_rtx_costs): Likewise.
3961         (s390_secondary_reload): Likewise.
3962         (__SECONDARY_RELOAD_CASE): Likewise.
3963         (s390_expand_cs): Likewise.
3964         (s390_preferred_simd_mode): Likewise.
3965         * config/s390/vx-builtins.md (vec_packsu_u<mode>): Likewise.
3966         * config/sh/sh.c (sh_print_operand): Likewise.
3967         (dump_table): Likewise.
3968         (sh_secondary_reload): Likewise.
3969         * config/sh/sh.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
3970         * config/sh/sh.md (casesi_worker_1): Likewise.
3971         (casesi_worker_2): Likewise.
3972         * config/sparc/predicates.md (icc_comparison_operator): Likewise.
3973         (fcc_comparison_operator): Likewise.
3974         * config/sparc/sparc.c (sparc_expand_move): Likewise.
3975         (emit_soft_tfmode_cvt): Likewise.
3976         (sparc_preferred_simd_mode): Likewise.
3977         (output_cbranch): Likewise.
3978         (sparc_print_operand): Likewise.
3979         (sparc_expand_vec_perm_bmask): Likewise.
3980         (vector_init_bshuffle): Likewise.
3981         * config/spu/spu.c (spu_scalar_mode_supported_p): Likewise.
3982         (spu_vector_mode_supported_p): Likewise.
3983         (spu_expand_insv): Likewise.
3984         (spu_emit_branch_or_set): Likewise.
3985         (spu_handle_vector_attribute): Likewise.
3986         (spu_builtin_splats): Likewise.
3987         (spu_builtin_extract): Likewise.
3988         (spu_builtin_promote): Likewise.
3989         (spu_expand_sign_extend): Likewise.
3990         * config/tilegx/tilegx.c (tilegx_scalar_mode_supported_p): Likewise.
3991         (tilegx_simd_int): Likewise.
3992         * config/tilepro/tilepro.c (tilepro_scalar_mode_supported_p): Likewise.
3993         (tilepro_simd_int): Likewise.
3994         * config/v850/v850.c (const_double_split): Likewise.
3995         (v850_print_operand): Likewise.
3996         (ep_memory_offset): Likewise.
3997         * config/vax/vax.c (vax_rtx_costs): Likewise.
3998         (vax_output_int_move): Likewise.
3999         (vax_output_int_add): Likewise.
4000         (vax_output_int_subtract): Likewise.
4001         * config/visium/predicates.md (visium_branch_operator): Likewise.
4002         * config/visium/visium.c (rtx_ok_for_offset_p): Likewise.
4003         (visium_print_operand_address): Likewise.
4004         * config/visium/visium.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
4005         * config/xtensa/xtensa.c (xtensa_mem_offset): Likewise.
4006         (xtensa_expand_conditional_branch): Likewise.
4007         (xtensa_copy_incoming_a7): Likewise.
4008         (xtensa_output_literal): Likewise.
4009         * dfp.c (decimal_real_maxval): Likewise.
4010         * targhooks.c (default_libgcc_floating_mode_supported_p): Likewise.
4011
4012 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4013             Alan Hayward  <alan.hayward@arm.com>
4014             David Sherwood  <david.sherwood@arm.com>
4015
4016         * genmodes.c (mode_size_inline): Add an E_ prefix to mode names.
4017         (mode_nunits_inline): Likewise.
4018         (mode_inner_inline): Likewise.
4019         (mode_unit_size_inline): Likewise.
4020         (mode_unit_precision_inline): Likewise.
4021         (emit_insn_modes_h): Likewise.  Also emit a #define of the
4022         unprefixed name.
4023         (emit_mode_wider): Add an E_ prefix to mode names.
4024         (emit_mode_complex): Likewise.
4025         (emit_mode_inner): Likewise.
4026         (emit_mode_adjustments): Likewise.
4027         (emit_mode_int_n): Likewise.
4028         * config/aarch64/aarch64-builtins.c (v8qi_UP, v4hi_UP, v4hf_UP)
4029         (v2si_UP, v2sf_UP, v1df_UP, di_UP, df_UP, v16qi_UP, v8hi_UP, v8hf_UP)
4030         (v4si_UP, v4sf_UP, v2di_UP, v2df_UP, ti_UP, oi_UP, ci_UP, xi_UP)
4031         (si_UP, sf_UP, hi_UP, hf_UP, qi_UP): Likewise.
4032         (CRC32_BUILTIN, ENTRY): Likewise.
4033         * config/aarch64/aarch64.c (aarch64_push_regs): Likewise.
4034         (aarch64_pop_regs): Likewise.
4035         (aarch64_process_components): Likewise.
4036         * config/alpha/alpha.c (alpha_emit_conditional_move): Likewise.
4037         * config/arm/arm-builtins.c (v8qi_UP, v4hi_UP, v4hf_UP, v2si_UP)
4038         (v2sf_UP, di_UP, v16qi_UP, v8hi_UP, v8hf_UP, v4si_UP, v4sf_UP)
4039         (v2di_UP, ti_UP, ei_UP, oi_UP, hf_UP, si_UP, void_UP): Likewise.
4040         * config/arm/arm.c (arm_init_libfuncs): Likewise.
4041         * config/i386/i386-builtin-types.awk (ix86_builtin_type_vect_mode):
4042         Likewise.
4043         * config/i386/i386-builtin.def (pcmpestr): Likewise.
4044         (pcmpistr): Likewise.
4045         * config/microblaze/microblaze.c (double_memory_operand): Likewise.
4046         * config/mmix/mmix.c (mmix_output_condition): Likewise.
4047         * config/powerpcspe/powerpcspe.c (rs6000_init_hard_regno_mode_ok):
4048         Likewise.
4049         * config/rl78/rl78.c (mduc_regs): Likewise.
4050         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Likewise.
4051         (htm_expand_builtin): Likewise.
4052         * config/sh/sh.h (REGISTER_NATURAL_MODE): Likewise.
4053         * config/sparc/sparc.c (emit_save_or_restore_regs): Likewise.
4054         * config/xtensa/xtensa.c (print_operand): Likewise.
4055         * expmed.h (NUM_MODE_PARTIAL_INT): Likewise.
4056         (NUM_MODE_VECTOR_INT): Likewise.
4057         * genoutput.c (null_operand): Likewise.
4058         (output_operand_data): Likewise.
4059         * genrecog.c (print_parameter_value): Likewise.
4060         * lra.c (debug_operand_data): Likewise.
4061
4062 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4063
4064         * dwarf2out.c (scompare_loc_descriptor_wide)
4065         (scompare_loc_descriptor_narrow): New functions, split out from...
4066         (scompare_loc_descriptor): ...here.
4067         * expmed.c (emit_store_flag_int): New function, split out from...
4068         (emit_store_flag): ...here.
4069
4070 2017-08-30  Richard Biener  <rguenther@suse.de>
4071
4072         * dwarf2out.c (dwarf2out_finish): Remove setting AT_pubnames.
4073         (dwarf2out_early_finish): Move setting of AT_pubnames from
4074         early debug output to early finish.
4075
4076 2017-08-30  Jozef Lawrynowicz  <jozef.l@somniumtech.com>
4077
4078         * gcc/config/msp430/msp430.h: Pass -mcode/data-region to the linker
4079         and -mdata-region to the assembler.
4080
4081 2017-08-30  Richard Biener  <rguenther@suse.de>
4082
4083         * dwarf2out.c (add_dwarf_attr): Check we don't add duplicate
4084         attributes.
4085         (gen_subprogram_die): Add DW_AT_object_pointer only early.
4086         (dwarf2out_early_global_decl): Only generate a DIE for the
4087         abstract origin if it doesn't already exist or is a declaration DIE.
4088         (resolve_addr): Do not add the linkage name twice when
4089         generating a stub DIE for the DW_TAG_GNU_call_site target.
4090
4091 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4092
4093         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
4094         Use machine_mode rather than int for arg1_mode.
4095
4096 2017-08-29  Michael Meissner  <meissner@linux.vnet.ibm.com>
4097
4098         PR target/82015
4099         * config/rs6000/rs6000.c (rs6000_expand_binop_builtin): Insure
4100         that the second argument of the built-in functions to unpack
4101         128-bit scalar types to 64-bit values is 0 or 1.  Change to use a
4102         switch statement instead a lot of if statements.
4103         * config/rs6000/rs6000.md (unpack<mode>, FMOVE128_VSX iterator):
4104         Allow 64-bit values to be in Altivec registers as well as
4105         traditional floating point registers.
4106         (pack<mode>, FMOVE128_VSX iterator): Likewise.
4107
4108 2017-08-29  Alexander Monakov  <amonakov@ispras.ru>
4109
4110         * ira-costs.c (record_address_regs): Handle both operands of PLUS for
4111         MAX_REGS_PER_ADDRESS == 1.
4112
4113 2017-08-29  Uros Bizjak  <ubizjak@gmail.com>
4114
4115         * config/i386/i386.opt (flag_fentry): Do not init to -1.
4116         * config/i386/i386.c (ix86_option_override_internal): Simplify
4117         setting of opts->x_flag_entry.
4118
4119 2017-08-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4120             Jakub Jelinek  <jakub@redhat.com>
4121             Richard Biener  <rguenther@suse.de>
4122
4123         PR tree-optimization/81503
4124         * gimple-ssa-strength-reduction.c (replace_mult_candidate): Ensure
4125         folded constant fits in the target type; reorder tests for clarity.
4126
4127 2017-08-29  Martin Liska  <mliska@suse.cz>
4128
4129         * passes.def: Include pass_lower_switch.
4130         * stmt.c (dump_case_nodes): Remove and move to
4131         tree-switch-conversion.
4132         (case_values_threshold): Likewise.
4133         (expand_switch_as_decision_tree_p): Likewise.
4134         (emit_case_decision_tree): Likewise.
4135         (expand_case): Likewise.
4136         (balance_case_nodes): Likewise.
4137         (node_has_low_bound): Likewise.
4138         (node_has_high_bound): Likewise.
4139         (node_is_bounded): Likewise.
4140         (emit_case_nodes): Likewise.
4141         (struct simple_case_node): New struct.
4142         (add_case_node): Remove.
4143         (emit_case_dispatch_table): Use vector instead of case_list.
4144         (reset_out_edges_aux): Remove.
4145         (compute_cases_per_edge): Likewise.
4146         (expand_case): Build list of simple_case_node.
4147         (expand_sjlj_dispatch_table): Use it.
4148         * tree-switch-conversion.c (struct case_node): Moved from
4149         stmt.c and adjusted.
4150         (emit_case_nodes): Likewise.
4151         (node_has_low_bound): Likewise.
4152         (node_has_high_bound): Likewise.
4153         (node_is_bounded): Likewise.
4154         (case_values_threshold): Likewise.
4155         (reset_out_edges_aux): Likewise.
4156         (compute_cases_per_edge): Likewise.
4157         (add_case_node): Likewise.
4158         (dump_case_nodes): Likewise.
4159         (balance_case_nodes): Likewise.
4160         (expand_switch_as_decision_tree_p): Likewise.
4161         (emit_jump): Likewise.
4162         (emit_case_decision_tree): Likewise.
4163         (try_switch_expansion): Likewise.
4164         (do_jump_if_equal): Likewise.
4165         (emit_cmp_and_jump_insns): Likewise.
4166         (fix_phi_operands_for_edge): New function.
4167         (record_phi_operand_mapping): Likewise.
4168         (class pass_lower_switch): New pass.
4169         (pass_lower_switch::execute): New function.
4170         (make_pass_lower_switch): Likewise.
4171         (conditional_probability):
4172         * timevar.def: Add TV_TREE_SWITCH_LOWERING.
4173         * tree-pass.h: Add make_pass_lower_switch.
4174
4175 2017-08-29  Jozef Lawrynowicz  <jozef.l@somniumtech.com>
4176
4177         PR target/80993
4178         * gcc/config/msp430/msp430.c (msp430_attr): Mark interrupt
4179         handlers as used.
4180
4181 2017-08-29  Richard Biener  <rguenther@suse.de>
4182
4183         * dwarf2out.c (add_dwarf_attr): When checking is enabled verify
4184         we do not add a DW_AT_inline attribute twice.
4185         (gen_subprogram_die): Remove code setting DW_AT_inline on
4186         DECL_ABSTRACT_P nodes.
4187
4188 2017-08-29  Richard Sandiford  <richard.sandiford@linaro.org>
4189
4190         * gimplify.c (gimplify_call_expr): Copy the nothrow flag to
4191         calls to internal functions.
4192         (gimplify_modify_expr): Likewise.
4193         * tree-call-cdce.c (use_internal_fn): Likewise.
4194         * tree-ssa-math-opts.c (pass_cse_reciprocals::execute): Likewise.
4195         (convert_to_divmod): Set the nothrow flag.
4196         * tree-if-conv.c (predicate_mem_writes):  Likewise.
4197         * tree-vect-stmts.c (vectorizable_mask_load_store): Likewise.
4198         (vectorizable_call): Likewise.
4199         (vectorizable_store): Likewise.
4200         (vectorizable_load): Likewise.
4201         * tree-vect-patterns.c (vect_recog_pow_pattern): Likewise.
4202         (vect_recog_mask_conversion_pattern): Likewise.
4203
4204 2017-08-29  Martin Liska  <mliska@suse.cz>
4205
4206         PR other/39851
4207         * gcc.c (driver_handle_option): Add new argument.
4208         * opts-common.c (handle_option): Pass
4209         target_option_override_hook.
4210         * opts-global.c (lang_handle_option): Add new option.
4211         (set_default_handlers):  Add new argument.
4212         (decode_options): Likewise.
4213         * opts.c (target_handle_option): Likewise.
4214         (common_handle_option): Call target_option_override_hook.
4215         * opts.h (struct cl_option_handler_func): Add hook for
4216         target option override.
4217         (struct cl_option_handlers): Likewise.
4218         (set_default_handlers): Add new argument.
4219         (decode_options): Likewise.
4220         (common_handle_option): Likewise.
4221         (target_handle_option): Likewise.
4222         * toplev.c (toplev::main): Pass targetm.target_option.override
4223         hook.
4224
4225 2017-08-29  Richard Biener  <rguenther@suse.de>
4226         Dominik Infuehr <dominik.infuehr@theobroma-systems.com>
4227
4228         * tree-vect-slp.c (vect_bb_slp_scalar_cost): Properly confine
4229         life to the active subtree.
4230
4231 2017-08-28  Jeff Law  <law@redhat.com>
4232
4233         * tree-ssa-dom.c (edge_info::record_simple_equiv): Call
4234         derive_equivalences.
4235         (derive_equivalences_from_bit_ior, record_temporary_equivalences):
4236         Code moved into....
4237         (edge_info::derive_equivalences): New private member function
4238
4239         * tree-ssa-dom.c (class edge_info): Changed from a struct
4240         to a class.  Add ctor/dtor, methods and data members.
4241         (edge_info::edge_info): Renamed from allocate_edge_info.
4242         Initialize additional members.
4243         (edge_info::~edge_info): New.
4244         (free_dom_edge_info): Delete the edge info.
4245         (record_edge_info): Use new class & associated member functions.
4246         Tighten forms for testing for edge equivalences.
4247         (record_temporary_equivalences): Iterate over the simple
4248         equivalences rather than assuming there's only one per edge.
4249         (cprop_into_successor_phis): Iterate over the simple
4250         equivalences rather than assuming there's only one per edge.
4251         (optimize_stmt): Use operand_equal_p rather than pointer
4252         equality for mini-DSE code.
4253
4254 2017-08-28  Nathan Sidwell  <nathan@acm.org>
4255
4256         * gcc.c (execute): Fold SIGPIPE handling into switch
4257         statement.  Adjust internal error message.
4258
4259 2017-08-28  Richard Biener  <rguenther@suse.de>
4260
4261         PR debug/81993
4262         * dwarf2out.c (gen_remaining_tmpl_value_param_die_attributes):
4263         Do nothing for removed DIEs.
4264
4265 2017-08-28  Richard Biener  <rguenther@suse.de>
4266
4267         PR tree-optimization/81977
4268         * tree-ssa-sccvn.c (vn_reference_lookup_3): Fix look through
4269         memcpy.
4270
4271 2017-08-28  Alexander Monakov  <amonakov@ispras.ru>
4272
4273         PR target/80640
4274         * doc/md.texi (mem_thread_fence): Remove mention of mode.  Rewrite.
4275         * optabs.c (expand_mem_thread_fence): Emit a compiler barrier when
4276         using targetm.gen_mem_thread_fence.
4277
4278 2017-08-27  Uros Bizjak  <ubizjak@gmail.com>
4279
4280         PR target/81995
4281         * config/i386/i386.md (*<btsc><mode>): Change operand 2
4282         predicate to register_operand.  Reorder operands.
4283         (*btr<mode>): Ditto.
4284         (*<btsc><mode>_mask): Change operand 3 predicate to register_operand.
4285         (*btr<mode>_mask): Ditto.
4286
4287 2017-08-25  Steven Munroe  <munroesj@gcc.gnu.org>
4288
4289         * config.gcc (powerpc*-*-*): Add xmmintrin.h and mm_malloc.h.
4290         * config/rs6000/xmmintrin.h: New file.
4291         * config/rs6000/x86intrin.h [__ALTIVEC__]: Include xmmintrin.h.
4292
4293 2017-08-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4294
4295         PR target/81504
4296         * config/rs6000/rs6000-p8swap.c (find_alignment_op): Add reference
4297         parameter and_insn and return it.
4298         (recombine_lvx_pattern): Insert a copy to ensure availability of
4299         the base register of the copied masking operation at the point of
4300         the instruction replacement.
4301         (recombine_stvx_pattern): Likewise.
4302
4303 2017-08-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
4304
4305         * config/rs6000/rs6000.opt (-mpower9-dform-scalar): Delete
4306         undocumented switches.
4307         (-mpower9-dform-vector): Likewise.
4308         (-mpower9-dform): Likewise.
4309         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Update
4310         comments to delete references to -mpower9-dform* switches.
4311         * config/rs6000/predicates.md (vsx_quad_dform_memory_operand):
4312         Delete reference to -mpower9-dform* switches, test for
4313         -mpower9-vector instead.
4314         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Likewise.
4315         (OTHER_P9_VECTOR_MASKS): Likewise.
4316         (POWERPC_MASKS): Likewise.
4317         * config/rs6000/rs6000.c (rs6000_setup_reg_addr_masks): Change
4318         tests against -mpower9-dform* to -mpower9-vector.  Delete code
4319         that checked for -mpower9-dform* consistancy with other options.
4320         Add test for -mpower9-misc to enable other power9 switches.
4321         (rs6000_init_hard_regno_mode_ok): Likewise.
4322         (rs6000_option_override_internal): Likewise.
4323         (rs6000_emit_prologue): Likewise.
4324         (rs6000_emit_epilogue): Likewise.
4325         (rs6000_opt_masks): Delete -mpower9-dform-{scalar,vector}.
4326         (rs6000_disable_incompatiable_switches): Delete -mpower9-dform.
4327         (emit_fusion_p9_load): Change tests for -mpower9-dform-scalar
4328         -mpower9-vector.
4329         (emit_fusion_p9_store): Likewise.
4330         * config/rs6000/rs6000.h (TARGET_P9_DFORM_SCALAR): Delete
4331         resetting these macros if the assembler does not support ISA 3.0
4332         instructions.
4333         (TARGET_P9_DFORM_VECTOR): Likewise.
4334         * config/rs6000/rs6000.md (peepholes to optimize altivec memory):
4335         Change to use -mpower9-vector instead of -mpower9-dform-scalar.
4336
4337 2017-08-25  Alan Modra  <amodra@gmail.com>
4338
4339         PR rtl-optimization/81747
4340         * cse.c (cse_extended_basic_block): Don't attempt to record
4341         equivalences for degenerate conditional branches that branch
4342         to their fall-through.
4343
4344 2017-08-24  Martin Sebor  <msebor@redhat.com>
4345
4346         PR middle-end/81908
4347         * gimple-fold.c (size_must_be_zero_p): New function.
4348         (gimple_fold_builtin_memory_op): Call it.
4349
4350 2017-08-24  Steven Munroe  <munroesj@gcc.gnu.org>
4351
4352         * config/rs6000/mm_malloc.h: New file.
4353
4354 2017-08-24  Bin Cheng  <bin.cheng@arm.com>
4355
4356         PR tree-optimization/81913
4357         * tree-ssa-loop-niter.c (number_of_iterations_cond): Skip niter
4358         analysis when either IVs in condition can wrap.
4359
4360 2017-08-24  Uros Bizjak  <ubizjak@gmail.com>
4361
4362         * dwarf2out.c (MAX_ARTIFICIAL_LABEL_BYTES): Increase to 40.
4363         * dwarf2cfi.c (MAX_ARTIFICIAL_LABEL_BYTES): Remove.
4364
4365 2017-08-24  Richard Biener  <rguenther@suse.de>
4366
4367         PR target/81921
4368         * targhooks.c (default_target_can_inline_p): Properly
4369         use target_option_default_node when no DECL_FUNCTION_SPECIFIC_TARGET
4370         is present and always compare.
4371         * config/i386/i386.c (ix86_valid_target_attribute_tree): Do not
4372         infer -mfpmath=sse from TARGET_SSE_P.
4373         (ix86_can_inline_p): Properly use target_option_default_node when
4374         no DECL_FUNCTION_SPECIFIC_TARGET is present and always compare.
4375
4376 2017-08-24  Richard Biener  <rguenther@suse.de>
4377
4378         PR debug/81936
4379         * dwarf2out.c (output_die): Handle flag_generate_offload like
4380         flag_generate_lto.
4381         (output_comp_unit): Likewise.
4382         (gen_array_type_die): Likewise.
4383         (dwarf2out_early_finish): Likewise.
4384         (note_variable_value_in_expr): Likewise.
4385         (dwarf2out_finish): Likewise.  Adjust assert.
4386         * cgraphunit.c (symbol_table::compile): Move setting of
4387         flag_generate_offload earlier ...
4388         (symbol_table::finalize_compilation_unit): ... here, before
4389         early debug finalization.
4390
4391 2017-08-24  Richard Biener  <rguenther@suse.de>
4392
4393         * config/i386/i386.c: Include symbol-summary.h, ipa-prop.h
4394         and ipa-fnsummary.h.
4395         (ix86_can_inline_p): When ix86_fpmath flags do not match
4396         check whether the callee uses FP math at all.
4397
4398 2017-08-24  Aldy Hernandez  <aldyh@redhat.com>
4399
4400         PR middle-end/81931
4401         * tree-ssanames.c (get_nonzero_bits): Use element_precision
4402         instead of TYPE_PRECISION.
4403
4404 2017-08-24  Richard Sandiford  <richard.sandiford@linaro.org>
4405             Alan Hayward  <alan.hayward@arm.com>
4406             David Sherwood  <david.sherwood@arm.com>
4407
4408         * combine.c (make_extraction): Use subreg_offset_from_lsb.
4409
4410 2017-08-23  Daniel Santos  <daniel.santos@pobox.com>
4411
4412         * config/i386/i386.h (ix86_frame::stack_realign_allocate_offset):
4413         Remove field.
4414         (ix86_frame::stack_realign_allocate): New field.
4415         (struct machine_frame_state): Modify comments.
4416         (machine_frame_state::sp_realigned_fp_end): New field.
4417         * config/i386/i386.c (ix86_compute_frame_layout): Rework stack frame
4418         layout calculation.
4419         (sp_valid_at): Add assertion to assure no attempt to access invalid
4420         offset of a realigned stack.
4421         (fp_valid_at): Likewise.
4422         (choose_baseaddr): Modify comments.
4423         (ix86_emit_outlined_ms2sysv_save): Adjust to changes in
4424         ix86_expand_prologue.
4425         (ix86_expand_prologue): Modify stack realignment and allocation.
4426         (ix86_expand_epilogue): Modify comments.
4427         * doc/sourcebuild.texi: Add documentation for target selectors avx2,
4428         avx2_runtime, avx512f, and avx512f_runtime.
4429
4430 2017-08-23  Uros Bizjak  <ubizjak@gmail.com>
4431
4432         * config/i386/i386.opt: Remove unneeded Init(0) initializations.
4433         (mstackrealign): Do not init to -1.
4434         * config/i386/i386.c (ix86_option_override_internal):
4435         Check opts_set, not opts when setting default value of
4436         opts->x_ix86_force_align_arg_pointer.
4437
4438 2017-08-23  Richard Biener  <rguenther@suse.de>
4439
4440         * function.c (fndecl_name): Use verbosity 1 (no arguments) for
4441         lang_hooks.decl_printable_name.
4442         * print-rtl-function.c (print_rtx_function): Likewise.
4443         * tree-pretty-print.c (dump_function_header): Likewise.
4444
4445 2017-08-23  Richard Biener  <rguenther@suse.de>
4446
4447         PR lto/81940
4448         * dwarf2out.c (dwarf2out_abstract_function): Handle LTO with
4449         -g0 at compile-time.
4450
4451 2017-08-23  Tamar Christina  <tamar.christina@arm.com>
4452
4453         PR middle-end/19706
4454         * doc/sourcebuild.texi (Other hardware attributes):
4455         Document xorsign.
4456
4457 2017-08-23  Tamar Christina  <tamar.christina@arm.com>
4458
4459         PR middle-end/19706
4460         * tree-ssa-math-opts.c (convert_expand_mult_copysign):
4461         Fix single-use check.
4462
4463 2017-08-23  Thomas Preud'homme  <thomas.preudhomme@arm.com>
4464
4465         * gcc.c (execute): Only test for SIGKILL and SIGQUIT if available.
4466
4467 2017-08-22  Daniel Santos  <daniel.santos@pobox.com>
4468
4469         * doc/install.texi: Modify to add more details on running selected
4470         tests.
4471
4472 2017-08-22  Daniel Santos  <daniel.santos@pobox.com>
4473
4474         * config/i386/i386.c (ix86_option_override_internal): Error when -mx32
4475         is combined with -mabi=ms.
4476         (ix86_function_type_abi): Limit errors for mixing -mx32 with attribute
4477         ms_abi.
4478
4479 2017-08-22  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4480
4481         PR tree-optimization/81488
4482         * gimple-ssa-strength-reduction (struct slsr_cand_d): Add visited
4483         and cached_basis fields.
4484         (MAX_SPREAD): New constant.
4485         (alloc_cand_and_find_basis): Initialize new fields.
4486         (clear_visited): New function.
4487         (create_phi_basis_1): Rename from create_phi_basis, set visited
4488         and cached_basis fields.
4489         (create_phi_basis): New wrapper function.
4490         (phi_add_costs_1): Rename from phi_add_costs, add spread
4491         parameter, set visited field, short-circuit when limits reached.
4492         (phi_add_costs): New wrapper function.
4493         (record_phi_increments_1): Rename from record_phi_increments, set
4494         visited field.
4495         (record_phi_increments): New wrapper function.
4496         (phi_incr_cost_1): Rename from phi_incr_cost, set visited field.
4497         (phi_incr_cost): New wrapper function.
4498         (all_phi_incrs_profitable_1): Rename from
4499         all_phi_incrs_profitable, set visited field.
4500         (all_phi_incrs_profitable): New wrapper function.
4501
4502 2017-08-22  Richard Sandiford  <richard.sandiford@linaro.org>
4503             Alan Hayward  <alan.hayward@arm.com>
4504             David Sherwood  <david.sherwood@arm.com>
4505
4506         * rtl.h (paradoxical_subreg_p): Define inline, and add a version
4507         that takes the outer and inner modes.
4508         * doc/rtl.texi: Use paradoxical_subreg_p instead of a GET_MODE_SIZE
4509         comparison as the canonical test for a paradoxical subreg.
4510         * combine.c (simplify_set): Use paradoxical_subreg_p.
4511         (make_extraction): Likewise.
4512         (force_to_mode): Likewise.
4513         (rtx_equal_for_field_assignment_p): Likewise.
4514         (gen_lowpart_for_combine): Likewise.
4515         (simplify_comparison): Likewise.
4516         * cse.c (equiv_constant): Likewise.
4517         * expmed.c (store_bit_field_1): Likewise.
4518         * final.c (alter_subreg): Likewise.
4519         * fwprop.c (propagate_rtx): Likewise.
4520         (forward_propagate_subreg): Likewise.
4521         * ira-conflicts.c (ira_build_conflicts): Likewise.
4522         * lower-subreg.c (simplify_gen_subreg_concatn): Likewise.
4523         * lra-constraints.c (curr_insn_transform): Likewise.
4524         (split_reg): Likewise.
4525         * lra-eliminations.c (move_plus_up): Likewise.
4526         (lra_eliminate_regs_1): Likewise.
4527         * recog.c (general_operand): Likewise.
4528         * ree.c (combine_reaching_defs): Likewise.
4529         * reload.c (push_reload): Likewise.
4530         (find_reloads): Likewise.
4531         * reload1.c (elimination_effects): Likewise.
4532         (compute_reload_subreg_offset): Likewise.
4533         (choose_reload_regs): Likewise.
4534         * rtlanal.c (subreg_lsb_1): Likewise.
4535         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
4536         (simplify_subreg): Likewise.
4537         * var-tracking.c (track_loc_p): Likewise.
4538         * emit-rtl.c (byte_lowpart_offset): Likewise.
4539         (paradoxical_subreg_p): Delete out-of-line definition.
4540
4541 2017-08-22  Jeff Law  <law@redhat.com>
4542
4543         PR tree-optimization/81741
4544         PR tree-optimization/71947
4545         * tree-ssa-dom.c: Include tree-inline.h.
4546         (record_temporary_equivalences): Only record SSA_NAME = SSA_NAME
4547         equivalences if one is more expensive to compute than the other.
4548         * tree-ssa-scopedtables.h (class const_or_copies): Make
4549         record_const_or_copy_raw method private.
4550         (class avail_exprs_stack): New method simplify_binary_operation.
4551         * tree-ssa-scopedtables.c (avail_exprs_stack::lookup_avail_expr): Call
4552         avail_exprs_stack::simplify_binary_operation as needed.
4553         (avail_exprs_stack::simplify_binary_operation): New function.
4554
4555 2017-08-22  Sebastian Huber  <sebastian.huber@embedded-brains.de>
4556
4557         * config.gcc (powerpc-*-rtems*): Add rs6000/linux64.opt.
4558         * config/rs6000/rtems.h (ASM_PREFERRED_EH_DATA_FORMAT): New define.
4559         (DOT_SYMBOLS): Likewise.
4560         (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
4561         (RELOCATABLE_NEEDS_FIXUP): Likewise.
4562         (RS6000_ABI_NAME): Likewise.
4563         (TARGET_CMODEL): Likewise.
4564         (TOC_SECTION_ASM_OP): Likewise.
4565         (SET_CMODEL): New macro.
4566         (SUBSUBTARGET_OVERRIDE_OPTIONS): Evaluate cmodel options.
4567
4568 2017-08-22  Richard Biener  <rguenther@suse.de>
4569
4570         * tree-inline.c (remap_type_1): Change asserts on TYPE_SIZE[_UNIT]
4571         to allow for free-lang-data replacements similar to verify_type_variant.
4572
4573 2017-08-22  Richard Sandiford  <richard.sandiford@linaro.org>
4574             Alan Hayward  <alan.hayward@arm.com>
4575             David Sherwood  <david.sherwood@arm.com>
4576
4577         * config/aarch64/aarch64.md (casesi): Use DImode rather than
4578         VOIDmode for the LABEL_REF.
4579
4580 2017-08-22  Richard Biener  <rguenther@suse.de>
4581
4582         * tree-cfg.c (gimple_split_edge): Avoid reallocating target PHI nodes.
4583
4584 2017-08-22  Richard Biener  <rguenther@suse.de>
4585
4586         * common.opt (feliminate-dwarf2-dups): Ignore.
4587         * doc/invoke.texi (feliminate-dwarf2-dups): Remove documentation.
4588         * dwarf2out.c (push_new_compile_unit, pop_compile_unit,
4589         same_die_p_wrap, compute_section_prefix,
4590         is_symbol_die, assign_symbol_names, break_out_includes): Remove.
4591         (comdat_symbol_id, comdat_symbol_number): Likewise.
4592         (cu_hash_table_entry, cu_hash_table_entry_hasher, cu_hash_type):
4593         Likewise.
4594         (check_duplicate_cu, record_comdat_symbol_number): Likewise.
4595         (output_die): Mark unreachable path unreachable.
4596         (dwarf2out_start_source_file): Do not create DW_TAG_GNU_BINCL.
4597         (dwarf2out_end_source_file): Do not create DW_TAG_GNU_EINCL.
4598         (dwarf2out_init): Remove code handling flag_eliminate_dwarf2_dups.
4599         (dwarf2out_early_finish): Likewise.
4600
4601 2017-08-22  Aldy Hernandez  <aldyh@redhat.com>
4602
4603         * wide-int.h (hwi_with_prec::hwi_with_prec): Sign extend.
4604
4605 2017-08-22  Georg-Johann Lay  <avr@gjlay.de>
4606
4607         PR target/81910
4608         * config/avr/avr.c (avr_handle_addr_attribute): Early return if
4609         not VAR_P. Filter attribute warnings with OPT_Wattributes.
4610         (avr_attribute_table) <io, io_low, address>: Initialize
4611         .decl_required with true.
4612
4613 2017-08-21  Michael Meissner  <meissner@linux.vnet.ibm.com>
4614
4615         * config/rs6000/rs6000-cpus.def (-mvsx-scalar-float): Delete
4616         undocumented debugging options.
4617         (-mvsx-scalar-double): Likewise.
4618         (-mallow-df-permute): Likewise.
4619         (-mvectorize-builtins): Likewise.
4620         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Likewise.
4621         (rs6000_builtin_vectorized_function): Likewise.
4622         (rs6000_builtin_md_vectorized_function): Likewise.
4623         (rs6000_opt_vars): Likewise.
4624
4625 2017-08-21  Uros Bizjak  <ubizjak@gmail.com>
4626
4627         PR target/46091
4628         * config/i386/i386.md (*btsq_imm): Rename from *btsq.
4629         (*btrq_imm): Rename from *btrq.
4630         (*btcq_imm): Rename from *btcq.
4631         (btsc): New code attribute.
4632         (*<btsc><mode>): New insn pattern.
4633         (*btr<mode>): Ditto.
4634         (*<btsc><mode>_mask): New insn_and_split pattern.
4635         (*btr<mode>_mask): Ditto.
4636
4637 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
4638             Alan Hayward  <alan.hayward@arm.com>
4639             David Sherwood  <david.sherwood@arm.com>
4640
4641         * function.c (pad_below): Simplify padding calculation.
4642
4643 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
4644             Alan Hayward  <alan.hayward@arm.com>
4645             David Sherwood  <david.sherwood@arm.com>
4646
4647         * target.def (function_prologue): Remove frame size argument.
4648         (function_epilogue): Likewise.
4649         * doc/tm.texi: Regenerate.
4650         * final.c (final_start_function): Update call to function_prologue.
4651         (final_end_function): Update call to function_epilogue.
4652         (default_function_pro_epilogue): Remove frame size argument.
4653         * output.h (default_function_pro_epilogue): Likewise.
4654         * config/arm/arm.c (arm_output_function_epilogue): Likewise.
4655         (arm_output_function_prologue): Likewise.
4656         * config/frv/frv.c (frv_function_prologue): Likewise.
4657         (frv_function_epilogue): Likewise.
4658         * config/i386/i386.c (ix86_output_function_epilogue): Likewise.
4659         * config/ia64/ia64.c (ia64_output_function_prologue): Likewise.
4660         (ia64_output_function_epilogue): Likewise.
4661         * config/m32r/m32r.c (m32r_output_function_prologue): Likewise.
4662         (m32r_output_function_epilogue): Likewise.
4663         * config/microblaze/microblaze.c (microblaze_function_prologue)
4664         (microblaze_function_epilogue): Likewise.
4665         * config/mips/mips.c (mips_output_function_prologue): Likewise.
4666         (mips_output_function_epilogue): Likewise.
4667         * config/mmix/mmix.c (mmix_target_asm_function_prologue): Likewise.
4668         (mmix_target_asm_function_epilogue): Likewise.
4669         * config/msp430/msp430.c (msp430_start_function): Likewise.
4670         * config/nds32/nds32.c (nds32_asm_function_prologue): Likewise.
4671         (nds32_asm_function_epilogue): Likewise.
4672         * config/nios2/nios2.c (nios2_asm_function_prologue): Likewise.
4673         * config/pa/pa.c (pa_output_function_prologue): Likewise.
4674         (pa_output_function_epilogue): Likewise.
4675         * config/powerpcspe/powerpcspe.c (rs6000_output_function_prologue)
4676         (rs6000_output_function_epilogue): Likewise.
4677         * config/rl78/rl78.c (rl78_start_function): Likewise.
4678         * config/rs6000/rs6000.c (rs6000_output_function_prologue): Likewise.
4679         (rs6000_output_function_epilogue): Likewise.
4680         * config/rx/rx.c (rx_output_function_prologue): Likewise.
4681         * config/sh/sh.c (sh_output_function_epilogue): Likewise.
4682         * config/sparc/sparc.c (sparc_asm_function_prologue): Likewise.
4683         (sparc_asm_function_epilogue): Likewise.
4684
4685 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
4686
4687         * tree.h (type_has_mode_precision_p): New function.
4688         * convert.c (convert_to_integer_1): Use it.
4689         * expr.c (expand_expr_real_2): Likewise.
4690         (expand_expr_real_1): Likewise.
4691         * fold-const.c (fold_single_bit_test_into_sign_test): Likewise.
4692         * match.pd: Likewise.
4693         * tree-ssa-forwprop.c (simplify_rotate): Likewise.
4694         * tree-ssa-math-opts.c (convert_mult_to_fma): Likewise.
4695         * tree-tailcall.c (process_assignment): Likewise.
4696         * tree-vect-loop.c (vectorizable_reduction): Likewise.
4697         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern)
4698         (vect_recog_mult_pattern, vect_recog_divmod_pattern): Likewise.
4699         * tree-vect-stmts.c (vectorizable_conversion): Likewise.
4700         (vectorizable_assignment): Likewise.
4701         (vectorizable_shift): Likewise.
4702         (vectorizable_operation): Likewise.
4703         * tree-vrp.c (register_edge_assert_for_2): Likewise.
4704
4705 2017-08-21  Wilco Dijkstra  <wdijkstr@arm.com>
4706
4707         * match.pd: Add pow (C, x) simplification.
4708
4709 2017-08-21  Richard Biener  <rguenther@suse.de>
4710
4711         PR tree-optimization/81900
4712         * tree-ssa-pre.c (compute_antic_aux): Properly compute changed
4713         for blocks with abnormal predecessors.
4714         (compute_antic): Do not set visited flag prematurely.
4715
4716 2017-08-21  Georg-Johann Lay  <avr@gjlay.de>
4717
4718         PR target/79883
4719         * config/avr/avr.c (avr_set_current_function): Typo in diagnostic.
4720
4721 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
4722
4723         * stor-layout.h (vector_type_mode): Move to...
4724         * tree.h (vector_type_mode): ...here.
4725         * stor-layout.c (vector_type_mode): Move to...
4726         * tree.c (vector_type_mode): ...here.  Include rtl.h and regs.h.
4727
4728 2017-08-21  Richard Biener  <rguenther@suse.de>
4729
4730         * debug.h (struct gcc_debug_hooks): Add die_ref_for_decl and
4731         register_external_die hooks.
4732         (debug_false_tree_charstarstar_uhwistar): Declare.
4733         (debug_nothing_tree_charstar_uhwi): Likewise.
4734         * debug.c (do_nothing_debug_hooks): Adjust.
4735         (debug_false_tree_charstarstar_uhwistar): New do nothing.
4736         (debug_nothing_tree_charstar_uhwi): Likewise.
4737         * dbxout.c (dbx_debug_hooks): Adjust.
4738         (xcoff_debug_hooks): Likewise.
4739         * sdbout.c (sdb_debug_hooks): Likewise.
4740         * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
4741         * dwarf2out.c (macinfo_label_base): New global.
4742         (dwarf2out_register_external_die): New function for the
4743         register_external_die hook.
4744         (dwarf2out_die_ref_for_decl): Likewise for die_ref_for_decl.
4745         (dwarf2_debug_hooks): Use them.
4746         (dwarf2_lineno_debug_hooks): Adjust.
4747         (struct die_struct): Add with_offset flag.
4748         (DEBUG_LTO_DWO_INFO_SECTION, DEBUG_LTO_INFO_SECTION,
4749         DEBUG_LTO_DWO_ABBREV_SECTION, DEBUG_LTO_ABBREV_SECTION,
4750         DEBUG_LTO_DWO_MACINFO_SECTION, DEBUG_LTO_MACINFO_SECTION,
4751         DEBUG_LTO_DWO_MACRO_SECTION, DEBUG_LTO_MACRO_SECTION,
4752         DEBUG_LTO_LINE_SECTION, DEBUG_LTO_DWO_STR_OFFSETS_SECTION,
4753         DEBUG_LTO_STR_DWO_SECTION, DEBUG_STR_LTO_SECTION): New macros
4754         defining section names for the early LTO debug variants.
4755         (reset_indirect_string): New helper.
4756         (add_AT_external_die_ref): Helper for dwarf2out_register_external_die.
4757         (print_dw_val): Add support for offsetted symbol references.
4758         (get_ultimate_context): Split out from is_cxx.
4759         (is_cxx): Use get_ultimate_context.
4760         (is_fortran): Add decl overload.
4761         (compute_comp_unit_symbol): Split out worker from
4762         compute_section_prefix.
4763         (compute_section_prefix): Call compute_comp_unit_symbol and
4764         set comdat_type_p here.
4765         (output_die): Skip DIE symbol output for the LTO added one.
4766         Handle DIE symbol references with offset.
4767         (output_comp_unit): Guard section name mangling properly.
4768         For LTO debug sections emit a symbol at the section beginning
4769         which we use to refer to its DIEs.
4770         (add_abstract_origin_attribute): For DIEs registered via
4771         dwarf2out_register_external_die directly refer to the early
4772         DIE rather than indirectly through the shadow one we created.
4773         Remove obsolete call to dwarf2out_abstract_function for
4774         non-function/block origins.
4775         (gen_array_type_die): When generating early LTO debug do
4776         not emit DW_AT_string_length.
4777         (gen_formal_parameter_die): Do not re-create DIEs for PARM_DECLs
4778         late when in LTO.  As suggested place a gcc_unreachable for
4779         the DECL_ABSTRACT_P case.
4780         (gen_subprogram_die): Avoid another specification DIE
4781         for early built declarations/definitions for the late LTO case.
4782         (gen_variable_die): Add type references for late duplicated VLA dies
4783         when in late LTO.
4784         (gen_inlined_subroutine_die): Do not call dwarf2out_abstract_function,
4785         we have the abstract instance already.
4786         (process_scope_var): Adjust decl DIE contexts in LTO which
4787         first puts them in limbo.
4788         (gen_decl_die): Do not generate type DIEs late apart from
4789         types for VLAs or for decls we do not yet have a DIE.  Do not
4790         call dwarf2out_abstract_function late.
4791         (dwarf2out_early_global_decl): Make sure to create DIEs
4792         for abstract instances of a decl first.
4793         (dwarf2out_late_global_decl): Adjust comment.
4794         (output_macinfo_op): With multiple macro sections use
4795         macinfo_label_base to distinguish labels.
4796         (output_macinfo): Likewise.  Update macinfo_label_base.
4797         Pass in the line info label.
4798         (note_variable_value_in_expr): When generating LTO resolve
4799         all variable values here by generating DIEs as needed.
4800         (init_sections_and_labels): Add early LTO debug flag parameter
4801         and generate different sections and names if set.  Add generation
4802         counter for the labels so we can have multiple of them.
4803         (reset_dies): Helper to allow DIEs to be output multiple times.
4804         (dwarf2out_finish): When outputting DIEs to the fat part of an
4805         LTO object first reset DIEs.
4806         (dwarf2out_early_finish): Output early DIEs when generating LTO.
4807         (modified_type_die): Check for decl_ultimate_origin being self
4808         before recursing.
4809         (gen_type_die_with_usage): Likewise.
4810         (gen_typedef_die): Allow decl_ultimate_origin being self.
4811         (set_decl_abstract_flags): Remove.
4812         (set_block_abstract_flags): Likewise.
4813         (dwarf2out_abstract_function): Treat the early generated DIEs
4814         as the abstract copy and only add DW_AT_inline and
4815         DW_AT_artificial here and call set_decl_origin_self.
4816         If the DIE has an abstract origin don't do anything.
4817         * tree.c (free_lang_data): Build a dummy TRANSLATION_UNIT_DECL
4818         if we have none yet (Go fails to build one, PR78628).
4819         (variably_modified_type_p): Prevent endless recursion for Ada
4820         cyclic pointer types.
4821         * lto-streamer-in.c: Include debug.h.
4822         (dref_queue): New global.
4823         (lto_read_tree_1): Stream in DIE references.
4824         (lto_input_tree): Register DIE references.
4825         (input_function): Stream DECL_DEBUG_ARGS.
4826         * lto-streamer-out.c: Include debug.h.
4827         (lto_write_tree_1): Output DIE references.
4828         (DFS::DFS_write_tree_body): Follow DECL_ABSTRACT_ORIGIN.
4829         Force a TRANSLATION_UNIT_DECL DECL_CONTEXT for file-scope decls.
4830         (output_function): Stream DECL_DEBUG_ARGS.
4831         * tree-streamer-in.c (lto_input_ts_decl_common_tree_pointers):
4832         Stream DECL_ABSTRACT_ORIGIN.
4833         * tree-streamer-out.c (write_ts_decl_common_tree_pointers): Likewise.
4834         (write_ts_decl_minimal_tree_pointers): Force a TRANSLATION_UNIT_DECL
4835         DECL_CONTEXT for file-scope decls.
4836         * lto-streamer.h (struct dref_entry): Declare.
4837         (dref_queue): Likewise.
4838         * cfgexpand.c (pass_expand::execute): Do not call the
4839         outlining_inline_function hook here.
4840         * lto-wrapper.c (debug_obj): New global.
4841         (tool_cleanup): Unlink it if required.
4842         (debug_objcopy): New function.
4843         (run_gcc): Handle early debug sections in the IL files by
4844         extracting them to separate files, partially linkin them and
4845         feeding the result back as result to the linker.
4846         * config/darwin.h (DEBUG_LTO_INFO_SECTION, DEBUG_LTO_ABBREV_SECTION,
4847         DEBUG_LTO_MACINFO_SECTION, DEBUG_LTO_LINE_SECTION,
4848         DEBUG_STR_LTO_SECTION, DEBUG_LTO_MACRO_SECTION): Put early debug
4849         sections into a separate segment.
4850         * config/darwin.c (darwin_asm_named_section): Handle __GNU_DWARF_LTO
4851         segments.
4852         (darwin_asm_dwarf_section): Likewise.
4853         (darwin_asm_output_dwarf_offset): Likewise.
4854         * config/i386/i386.c (make_resolver_func): Set DECL_IGNORED_P.
4855
4856 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
4857             Alan Hayward  <alan.hayward@arm.com>
4858             David Sherwood  <david.sherwood@arm.com>
4859
4860         * read-md.h (md_reader::record_potential_iterator_use): Replace
4861         pointer argument with an rtx and an index.
4862         * read-rtl.c (iterator_group::apply_iterator): Likewise.
4863         (apply_mode_iterator): Likewise.
4864         (apply_code_iterator): Likewise.
4865         (apply_int_iterator): Likewise.
4866         (apply_subst_iterator): Likewise.
4867         (record_iterator_use): Likewise.
4868         (record_attribute_use): Likewise.
4869         (md_reader::record_potential_iterator_use): Likewise.  Update calls
4870         to record_iterator_use and apply_iterator.
4871         (iterator_use): Replace ptr with x and index.
4872         (attribute_use): Likewise.
4873         (apply_attribute_uses): Update calls to apply_iterator.
4874         (apply_iterators): Likewise.  Update initialization of iterator_use.
4875         (rtx_reader::read_rtx_code): Update calls to record_iterator_use
4876         and record_potential_iterator_use.
4877         (rtx_reader::read_rtx_operand): Likewise.
4878
4879 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
4880             Alan Hayward  <alan.hayward@arm.com>
4881             David Sherwood  <david.sherwood@arm.com>
4882
4883         * varasm.c (const_rtx_hash_1): Don't hash in the mode of a
4884         CONST_WIDE_INT.
4885
4886 2017-08-21  Richard Biener  <rguenther@suse.de>
4887
4888         PR middle-end/81884
4889         * tree-ssa-alias.c (stmt_kills_ref_p): Handle array accesses
4890         at struct end conservatively when comparing common bases.
4891
4892 2017-08-21  Richard Biener  <rguenther@suse.de>
4893
4894         * tree-ssa-loop-im.c (struct lim_aux_data): Add ref index member.
4895         (mem_ref_in_stmt): Remove.
4896         (determine_max_movement): Use ref index to get at the reference.
4897         (invariantness_dom_walker::before_dom_children): Deal with
4898         lim data already initialized.
4899         (gather_mem_refs_stmt): Initialize lim data and record ref index.
4900
4901 2017-08-19  Uros Bizjak  <ubizjak@gmail.com>
4902
4903         * config/i386/i386.h (OPTION_MASK_ISA_ROUND): Remove.
4904         (TARGET_ISA_ROUND): Ditto.
4905         (TARGET_ROUND): Ditto.
4906         * config/i386/i386.c: Substitute TARGET_ROUND with TARGET_SSE4_1.
4907         * config/i386/i386.md: Ditto.
4908         * config/i386/sse.md: Ditto.
4909         * config/i386/i386-builtin.def: Substitute OPTION_MASK_ISA_ROUND
4910         with OPTION_MASK_ISA_SSE4_1.
4911
4912 2017-08-19  Uros Bizjak  <ubizjak@gmail.com>
4913
4914         PR target/81894
4915         * doc/extend.texi (x86 Built-in Functions): Correct the name of
4916         __builtin_ia32_lzcnt_u16.
4917
4918 2017-08-18  Peter Bergner  <bergner@vnet.ibm.com>
4919
4920         PR target/80210
4921         * config/rs6000/rs6000.c (rs6000_activate_target_options): New function.
4922         (rs6000_set_current_function): Rewrite function to use it.
4923
4924 2017-08-18  H.J. Lu  <hongjiu.lu@intel.com>
4925
4926         PR c/53037
4927         * print-tree.c (print_node): Support DECL_WARN_IF_NOT_ALIGN
4928         and TYPE_WARN_IF_NOT_ALIGN.
4929         * stor-layout.c (do_type_align): Merge DECL_WARN_IF_NOT_ALIGN.
4930         (handle_warn_if_not_align): New.
4931         (place_union_field): Call handle_warn_if_not_align.
4932         (place_field): Call handle_warn_if_not_align.
4933         Copy TYPE_WARN_IF_NOT_ALIGN.
4934         (finish_builtin_struct): Copy TYPE_WARN_IF_NOT_ALIGN.
4935         (layout_type): Likewise.
4936         * tree-core.h (tree_type_common): Add warn_if_not_align.  Set
4937         spare to 18.
4938         (tree_decl_common): Add warn_if_not_align.
4939         * tree.c (build_range_type_1): Copy TYPE_WARN_IF_NOT_ALIGN.
4940         * tree.h (TYPE_WARN_IF_NOT_ALIGN): New.
4941         (SET_TYPE_WARN_IF_NOT_ALIGN): Likewise.
4942         (DECL_WARN_IF_NOT_ALIGN): Likewise.
4943         (SET_DECL_WARN_IF_NOT_ALIGN): Likewise.
4944         * doc/extend.texi: Document warn_if_not_aligned attribute.
4945         * doc/invoke.texi: Document -Wif-not-aligned and -Wpacked-not-aligned.
4946
4947 2017-08-17  Martin Liska  <mliska@suse.cz>
4948
4949         PR bootstrap/81864
4950         * tree-loop-distribution.c (ddrs_table): Change type to pointer type.
4951         (get_data_dependence): Use it as pointer type.
4952         (distribute_loop): Likewise.
4953
4954 2017-08-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4955
4956         * config/rs6000/altivec.md (UNSPEC_VMRGOW_DIRECT): New constant.
4957         (p8_vmrgew_v4sf_direct): Generalize to p8_vmrgew_<mode>_direct.
4958         (p8_vmrgow_<mode>_direct): New define_insn.
4959         * config/rs6000/rs6000.c (altivec_expand_vec_perm_const): Properly
4960         handle endianness for vmrgew and vmrgow permute patterns.
4961
4962 2017-08-17  Peter Bergner  <bergner@vnet.ibm.com>
4963
4964         * config/rs6000/altivec.md (VParity): Remove TARGET_VSX_TIMODE.
4965         * config/rs6000/rs6000-cpus.def: Remove comment.
4966         (ISA_2_7_MASKS_SERVER): Delete OPTION_MASK_VSX_TIMODE;
4967         (POWERPC_MASKS): Likewise.
4968         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Remove unneeded
4969         use of TARGET_VSX_TIMODE.
4970         (rs6000_setup_reg_addr_masks): Change TARGET_VSX_TIMODE to TARGET_VSX.
4971         (rs6000_init_hard_regno_mode_ok): Remove unneeded uses of
4972         TARGET_VSX_TIMODE.  Change use of TARGET_VSX_TIMODE to TARGET_VSX.
4973         (rs6000_option_override_internal): Remove dead code.
4974         (rs6000_legitimize_address): Change TARGET_VSX_TIMODE to TARGET_VSX.
4975         (rs6000_legitimize_reload_address): Likewise.
4976         (rs6000_legitimate_address_p): Likewise.
4977         (rs6000_opt_masks): Delete "vsx-timode".
4978         (rs6000_disable_incompatible_switches): Remove mention of -mvsx-timode
4979         from function comment.
4980         * config/rs6000/rs6000.h (MASK_VSX_TIMODE): Delete.
4981         * config/rs6000/rs6000.md (FMOVE128_GPR): Remove TARGET_VSX_TIMODE.
4982         (V16QI, V8HI, V4SI, V4SF, V2DI, V2DF, V1TI): Remove useless empty
4983         condition.
4984         * config/rs6000/rs6000.opt (mvsx-timode): Replace with stub.
4985         * config/rs6000/vector.md (VEC_IP): Remove TARGET_VSX_TIMODE.
4986         * config/rs6000/vsx.md (VSX_LE_128): Likewise.
4987         (VSX_TI): Likewise.
4988         (VSX_M): Likewise.
4989         (define_peephole2): Likewise.
4990
4991 2017-08-17  Martin Sebor  <msebor@redhat.com>
4992
4993         PR c/81859
4994         * pretty-print.c (pp_format): Use strnlen in %.*s to avoid reading
4995         past the end of an array.
4996         (test_pp_format): Add test cases.
4997
4998 2017-08-17  Richard Sandiford  <richard.sandiford@linaro.org>
4999
5000         * internal-fn.def (CLRSB, CLZ, CTZ, FFS, PARITY, POPCOUNT): Add
5001         missing ECF_NOTHROW flags.
5002
5003 2017-08-17  Peter Bergner  <bergner@vnet.ibm.com>
5004
5005         PR target/72804
5006         * config/rs6000/vsx.md (*vsx_le_permute_<mode>): Add support for
5007         operands residing in integer registers.
5008         (*vsx_le_perm_load_<mode>): Likewise.
5009         (*vsx_le_perm_store_<mode>): Likewise.
5010         (define_peephole2): Add peepholes to optimize the above.
5011
5012 2017-08-17  Marek Polacek  <polacek@redhat.com>
5013
5014         PR middle-end/81814
5015         * fold-const.c (operand_equal_for_comparison_p): Remove code that used
5016         to mimic what shorten_compare did.  Change the return type to bool.
5017         (fold_cond_expr_with_comparison): Update call to
5018         operand_equal_for_comparison_p.
5019         (fold_ternary_loc): Likewise.
5020
5021 2017-08-17  Jackson Woodruff  <jackson.woodruff@arm.com>
5022
5023         * aarch64-simd.md (mov<mode>): No longer force zero immediate into
5024         register.
5025         (*aarch64_simd_mov<mode>): Add new case for stp using zero immediate.
5026
5027 2017-08-17  Richard Biener  <rguenther@suse.de>
5028
5029         * tree-ssa-structalias.c (solve_graph): When propagating
5030         to successors update the graphs succ edges and avoid duplicate work.
5031
5032 2017-08-17  Maxim Ostapenko  <m.ostapenko@samsung.com>
5033
5034         PR target/81861
5035         * config/i386/i386.c (ix86_option_override_internal): Save target
5036         specific options after ix86_stack_protector_guard_reg was changed.
5037
5038 2017-08-17  Richard Biener  <rguenther@suse.de>
5039
5040         PR tree-optimization/81827
5041         * tree-ssa-structalias.c (struct variable_info): Add is_reg_var flag.
5042         (new_var_info): Initialize it conservatively.
5043         (get_call_vi): Mark register vars.
5044         (new_scalar_tmp_constraint_exp): Likewise.
5045         (handle_rhs_call): Likewise.
5046         (handle_const_call): Likewise.
5047         (create_function_info_for): Likewise.
5048         (solve_constraints): Sort varinfos to separate register from
5049         non-register vars to pack points-to solution bitmaps during
5050         iteration.
5051
5052 2017-08-17  Marek Polacek  <polacek@redhat.com>
5053
5054         * gimplify.c (gimplify_adjust_omp_clauses): Compare with 0 instead of 1.
5055
5056 2017-08-17  Richard Biener  <rguenther@suse.de>
5057
5058         * tree-vrp.c (vrp_int_const_binop): Do not set *overflow_p
5059         to true when overflow is undefined and we saturated the result.
5060
5061 2017-08-17  Alan Modra  <amodra@gmail.com>
5062
5063         PR target/80938
5064         * config/rs6000/rs6000.c (rs6000_savres_strategy): Revert 2017-08-09.
5065         Don't use store multiple if only one reg needs saving.
5066         (interesting_frame_related_regno): New function.
5067         (rs6000_frame_related): Don't emit frame info for regs that
5068         don't need saving.
5069         (rs6000_emit_epilogue): Likewise.
5070
5071 2017-08-16  Nathan Sidwell  <nathan@acm.org>
5072
5073         * tree-core.h (tree_type_non_common): Rename binfo to lang_1.
5074         * tree.h (TYPE_BINFO): Use type_non_common.maxval.
5075         (TYPE_LANG_SLOT_1): Use type_non_common.lang_1, for any type.
5076         * tree.c (free_lang_data_in_type): Use else-if chain.  Always
5077         clear TYPE_LANG_1.  Remove obsolete member-function stripping.
5078         (find_decls_types_r): Comment about TYPE_MAX_VALUES_RAW.
5079         (verify_type): Adjust for TYPE_BINFO move.
5080         * lto-streamer-out.c (DFS::DFS_write_tree_body): No need to
5081         process TYPE_BINFO directly.
5082         (hash_tree): Likewise.
5083         * tree-streamer-in.c (lto_input_ts_type_non_common_tree_pointers):
5084         Likewise.
5085         * tree-streamer-out.c (write_ts_type_non_common_tree_pointers):
5086         Likewise.
5087
5088 2017-08-16  David Malcolm  <dmalcolm@redhat.com>
5089
5090         * diagnostic-show-locus.c (colorizer::m_caret): Remove unused field.
5091
5092 2017-08-16  Uros Bizjak  <ubizjak@gmail.com>
5093
5094         PR target/46091
5095         * config/i386/i386.md (*anddi_1_btr): Change predicates of
5096         operand 0 and operand 1 to nomimmediate_operand. Add "m" constraint.
5097         Add ix86_binary_operator_ok to insn constraint.
5098         (*iordi_1_bts): Ditto.
5099         (*xordi_1_btc): Ditto.
5100         (*btsq): Change predicate of operand 0 to nonimmediate_operand.
5101         Update corresponding peephole2 pattern.
5102         (*btrq): Ditto.
5103         (*btcq): Ditto.
5104
5105 2017-08-16  Bin Cheng  <bin.cheng@arm.com>
5106
5107         PR tree-optimization/81832
5108         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Don't
5109         copy loop header which has IFN_LOOP_DIST_ALIAS call.
5110
5111 2017-08-16  Marek Polacek  <polacek@redhat.com>
5112
5113         PR middle/81695
5114         * fold-const.c (fold_indirect_ref_1): Restore original behavior
5115         regarding size_zero_node.
5116
5117 2017-08-16  Martin Liska  <mliska@suse.cz>
5118
5119         PR target/81753
5120         * config.gcc: Respect previously set extra_objs in case
5121         of darwin target.
5122
5123 2017-08-16  Richard Sandiford  <richard.sandiford@linaro.org>
5124
5125         PR tree-optimization/81835
5126         * tree-vect-loop.c (vect_is_simple_reduction): Simply checks for
5127         the phi SSA_NAME.  Check that the condition in a COND_EXPR does
5128         not depend on the phi.
5129
5130 2017-08-16  Alan Modra  <amodra@gmail.com>
5131
5132         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Delete
5133         dead code.
5134
5135 2017-08-16  Alan Modra  <amodra@gmail.com>
5136
5137         * config/rs6000/rs6000.c (rs6000_reg_live_or_pic_offset_p): Merge..
5138         (save_reg_p): ..into this.  Update all callers.
5139         (first_reg_to_save): Simplify.
5140
5141 2017-08-16  Alan Modra  <amodra@gmail.com>
5142
5143         * config/rs6000/rs6000.c (rs6000_savres_strategy): Don't restore
5144         fixed regs.
5145
5146 2017-08-15  Joseph Myers  <joseph@codesourcery.com>
5147
5148         PR target/78460
5149         PR target/67712
5150         * config/sh/sh-mem.cc (sh_expand_cmpnstr): Only unroll for
5151         constant count if that count is less than 32.
5152
5153 2017-08-15  Nathan Sidwell  <nathan@acm.org>
5154
5155         * gcc.c (execute): Emit friendlier message if inferior is killed
5156         by an external cause.
5157
5158 2017-08-15  Richard Biener  <rguenther@suse.de>
5159
5160         PR tree-optimization/81790
5161         * tree-ssa-sccvn.c (vn_lookup_simplify_result): Handle both
5162         CONSTRUCTORs from simplifying and VN.
5163
5164 2017-08-14  Martin Sebor  <msebor@redhat.com>
5165
5166         * builtin-attrs.def: Add comments.
5167
5168 2017-08-14  Martin Sebor  <msebor@redhat.com>
5169
5170         PR c/81117
5171         * doc/extend.texi (attribute nonstring): Document new attribute.
5172
5173 2017-08-14  Martin Sebor  <msebor@redhat.com>
5174
5175         PR c/81117
5176         * tree-diagnostic.c (default_tree_printer): Handle %G.
5177         * gimple-pretty-print.h (percent_G_format): Declare new function.
5178         * gimple-pretty-print.c (percent_G_format): Define.
5179         * tree-pretty-print.c (percent_K_format): Add argument.
5180
5181 2017-08-14  Martin Sebor  <msebor@redhat.com>
5182
5183         PR translation/79998
5184         * gimple-ssa-sprintf.c (pass_sprintf_length::handle_gimple_call):
5185         Remove a stray space.
5186
5187 2017-08-14  Uros Bizjak  <ubizjak@gmail.com>
5188
5189         PR target/46091
5190         * config/i386/i386.md (*anddi_1_btr): New insn_and_split pattern.
5191         (*iordi_1_bts): Ditto.
5192         (*xordi_1_btc): Ditto.
5193
5194 2017-08-14  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5195
5196         PR target/79845
5197         * config/rs6000/linux64.h (INVALID_64BIT): Use quoted strings.
5198         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
5199         Likewise.
5200         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Use
5201         quoted strings, and make more translator-friendly.
5202         (darwin_rs6000_override_options): Likewise.
5203         (rs6000_option_override_internal): Likewise.
5204         (rs6000_return_in_memory): Fix overlong line.
5205         (init_cmulative_args): Use quoted strings, and make more
5206         translator-friendly.
5207         (rs6000_pass_by_reference): Fix overlong line.
5208         (def_builtin): Use quoted strings.
5209         (altivec_expand_predicate_builtin): Use quoted strings, and make
5210         more translator-friendly.
5211         (htm_expand_builtin): Use quoted strings.
5212         (cpu_expand_builtin): Use quoted strings, and make more
5213         translator-friendly.
5214         (altivec_expand_builtin): Likewise.
5215         (paired_expand_predicate_builtin): Likewise.
5216         (rs6000_invalid_builtin): Likewise.
5217         (builtin_function_type): Use quoted strings.
5218         (rs6000_expand_split_stack_prologue): Use quoted strings, and make
5219         more translator-friendly.
5220         (rs6000_trampoline_init): Likewise.
5221         (rs6000_handle_altivec_attribute): Likewise.
5222         (rs6000_inner_target_options): Use quoted strings.
5223         (rs6000_disable_incompatible_switches): Likewise.
5224         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Use quoted
5225         strings, and make more translator-friendly.
5226         (SUBSUBTARGET_OVERRIDE_OPTIONS): Use quoted strings.
5227
5228 2017-08-14  Bin Cheng  <bin.cheng@arm.com>
5229
5230         PR tree-optimization/81799
5231         * tree-loop-distribution.c (version_loop_by_alias_check): Force
5232         cond_expr to simple gimple operand.
5233
5234 2017-08-14  Wilco Dijkstra  <wdijkstr@arm.com>
5235
5236         PR middle-end/46932
5237         * doc/sourcebuild.texi (autoincdec): Add autoincdec description.
5238
5239 2017-08-14  Georg-Johann Lay  <avr@gjlay.de>
5240
5241         PR target/81754
5242         PR target/81268
5243         * config/avr/avr.opt (mgas-isr-prologues): New Var avr_gasisr_prologues.
5244         * config/avr/avr.md (gasisr, *gasisr): Use it instead of
5245         TARGET_GASISR_PROLOGUES.
5246         * config/avr/avr.c (avr_option_override): Same.
5247         (avr_pass_pre_proep::execute): Same.
5248
5249 2017-08-13  H.J. Lu  <hongjiu.lu@intel.com>
5250
5251         PR target/81820
5252         * config/i386/i386.c (ix86_finalize_stack_frame_flags): Replace
5253         frame pointer with stack pointer - UNITS_PER_WORD in debug insns.
5254
5255 2017-08-13  Uros Bizjak  <ubizjak@gmail.com>
5256
5257         * config/i386/i386.md (*load_tp_<mode>): Redefine as
5258         define_insn_and_split.  Split to a memory load from 0 in
5259         DEFAULT_TLS_SEG_REG address space.  Merge with *load_tp_x32
5260         using PTR mode iterator.
5261         (*load_tp_x32_zext"): Redefine as define_insn_and_split.
5262         Split to a memory load from 0 in DEFAULT_TLS_SEG_REG address space.
5263         (*add_tp_<mode>): Redefine as define_insn_and_split.
5264         Split to an add with a memory load from 0 in DEFAULT_TLS_SEG_REG
5265         address space.  Merge with *add_tp_x32 using PTR mode iterator.
5266         (*add_tp_x32_zext"): Redefine as define_insn_and_split.
5267         Split to an add with a  memory load from 0 in
5268         DEFAULT_TLS_SEG_REG address space.
5269
5270 2017-08-12  Andrew Pinski  <apinski@cavium.com>
5271
5272         * config/aarch64/aarch64-option-extensions.def (rdma):
5273         Fix feature string to what Linux prints out in /proc/cpuinfo.
5274
5275 2017-08-12  Pierre-Marie de Rodat  <derodat@adacore.com>
5276
5277         PR ada/79542
5278         * dwarf2out.c (modified_type_die): For C typedef types that have
5279         an ultimate origin, process the ultimate origin instead of the
5280         input type.
5281         (gen_typedef_die): Assert that input DECLs have no ultimate
5282         origin.
5283         (gen_type_die_with_usage): For typedef variants that have an
5284         ultimate origin, just call gen_decl_die on the original DECL.
5285         (process_scope_var): Avoid creating DIEs for local typedefs and
5286         concrete static variables.
5287
5288 2017-08-12  Alan Modra  <amodra@gmail.com>
5289
5290         PR target/81170
5291         PR target/81295
5292         * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Upgrade to
5293         match gnu-user.h startfile.
5294         (ENDFILE_LINUX_SPEC): Similarly.
5295
5296 2017-08-11  Thomas Schwinge  <thomas@codesourcery.com>
5297
5298         PR lto/81430
5299         * config/nvptx/nvptx.c (nvptx_override_options_after_change):
5300         Remove function.
5301         (TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE): Remove definition.
5302
5303 2017-08-11  Tamar Christina  <tamar.christina@arm.com>
5304         * config/aarch64/aarch64.md (mov<mode>): Change.
5305         (*movhf_aarch64, *movsf_aarch64, *movdf_aarch64):
5306         aarch64_reg_or_fp_float into aarch64_reg_or_fp_zero.
5307         * config/aarch64/predicates.md (aarch64_reg_or_fp_float): Removed.
5308
5309 2017-08-11  Eric Botcazou  <ebotcazou@adacore.com>
5310
5311         * tree-sra.c (build_access_from_expr_1): Use more precise diagnostics
5312         for storage order barriers.
5313
5314 2017-08-11  Martin Liska  <mliska@suse.cz>
5315
5316         PR tree-opt/79987
5317         * tree-chkp.c (chkp_get_bounds_for_decl_addr): Do not instrument
5318         variables of void type.
5319
5320 2017-08-11  Martin Liska  <mliska@suse.cz>
5321
5322         * asan.c (asan_protect_global): Replace ASM_OUTPUT_DEF with
5323         TARGET_SUPPORTS_ALIASES.
5324         * cgraph.c (cgraph_node::create_same_body_alias): Likewise.
5325         * ipa-visibility.c (can_replace_by_local_alias): Likewise.
5326         (optimize_weakref): Likewise.
5327         * symtab.c (symtab_node::noninterposable_alias): Likewise.
5328         * varpool.c (varpool_node::create_extra_name_alias): Likewise.
5329         * defaults.h: Introduce TARGET_SUPPORTS_ALIASES.
5330
5331 2017-08-11  Martin Liska  <mliska@suse.cz>
5332
5333         PR ipa/81213
5334         * config/i386/i386.c (make_resolver_func): Do complete
5335         refactoring of the function.
5336
5337 2017-08-10  Uros Bizjak  <ubizjak@gmail.com>
5338
5339         PR target/81708
5340         * config/i386/i386.opt (mstack-protector-guard-symbol=): New option
5341         * config/i386/i386.c (ix86_stack_protect_guard): Use
5342         ix86_stack_protect_guard_symbol_str to generate varible declaration.
5343         * doc/invoke.texi (x86 Options): Document
5344         -mstack-protector-guard-symbol= option.
5345
5346 2017-08-10  Uros Bizjak  <ubizjak@gmail.com>
5347
5348         * config/i386/i386-protos.h (ix86_split_stack_guard): New prototype.
5349         * config/i386/i386.c (ix86_split_stack_guard): New function.
5350         (ix86_xpand_split_stack_prologue): Call ix86_split_stack_guard.
5351         (ix86_legitimate_address_p) <case UNSPEC_STACK_CHECK>: Remove.
5352         (i386_asm_output_addr_const_extra) <case UNSPEC_STACK_CHECK>: Ditto.
5353         (optput_pic_addr_const): Remove UNSPEC_STACK_CHECK handling.
5354         * config/i386/i386.md (unspec): Remove UNSPEC_STACK_CHECK.
5355         (split_stack_space_check): Call ix86_split_stack_guard.
5356
5357 2017-08-10  Martin Sebor  <msebor@redhat.com>
5358
5359         * print-tree.c (print_node): Print location using the established
5360         format %s:%i%i.
5361         Replace spaces with colons.
5362         (debug_raw, debug): Ditto.
5363
5364 2017-08-10  Martin Sebor  <msebor@redhat.com>
5365
5366         PR c++/81586
5367         * pretty-print.c (pp_format): Correct the handling of %s precision.
5368
5369 2017-08-10  H.J. Lu  <hongjiu.lu@intel.com>
5370
5371         PR target/81736
5372         * config/i386/i386.c (ix86_finalize_stack_realign_flags): Renamed
5373         to ...
5374         (ix86_finalize_stack_frame_flags): This.  Also clear
5375         frame_pointer_needed if -fno-omit-frame-pointer is used without
5376         stack access.
5377         (ix86_expand_prologue): Replace ix86_finalize_stack_realign_flags
5378         with ix86_finalize_stack_frame_flags.
5379         (ix86_expand_epilogue): Likewise.
5380         (ix86_expand_split_stack_prologue): Likewise.
5381         * doc/invoke.texi: Add a note for -fno-omit-frame-pointer.
5382
5383 2017-08-10  Martin Liska  <mliska@suse.cz>
5384
5385         PR c++/81355
5386         * c-attribs.c (handle_target_attribute):
5387         Report warning for an empty string argument of target attribute.
5388
5389 2017-08-09  Jakub Jelinek  <jakub@redhat.com>
5390
5391         PR c/81687
5392         * omp-low.c (omp_copy_decl): Don't remap FORCED_LABEL or DECL_NONLOCAL
5393         LABEL_DECLs.
5394         * tree-cfg.c (move_stmt_op): Don't adjust DECL_CONTEXT of FORCED_LABEL
5395         or DECL_NONLOCAL labels.
5396         (move_stmt_r) <case GIMPLE_LABEL>: Adjust DECL_CONTEXT of FORCED_LABEL
5397         or DECL_NONLOCAL labels here.
5398
5399 2017-08-09  Will Schmidt  <will_schmidt@vnet.ibm.com>
5400
5401         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add blurb
5402         to indicate when early gimple folding has been disabled.
5403         (rs6000_gimple_fold_builtin): Add debug content.
5404         (rs6000_invalid_builtin): Fix whitespace.
5405         (rs6000_expand_builtin): Fix whitespace.
5406         * config/rs6000/rs6000.opt: Add option for -mfold-gimple.
5407
5408 2017-08-09  Segher Boessenkool  <segher@kernel.crashing.org>
5409
5410         PR target/80938
5411         * config/rs6000/rs6000.c (rs6000_savres_strategy): Don't use
5412         SAVE_MULTIPLE if not all the registers that saves, should be saved.
5413
5414 2017-08-09  Jim Wilson  <jim.wilson@linaro.org>
5415
5416         * config/aarch64/aarch64-cores.def (falkor): Use falkor pipeline.
5417         (qdf24xx): Likewise.
5418         * config/aarch64/aarch64.md: Include falkor.md.
5419         * config/aarch64/falkor.md: New.
5420
5421 2017-08-09  Marek Polacek  <polacek@redhat.com>
5422
5423         PR c/81233
5424         * diagnostic-core.h (emit_diagnostic_valist): Add declaration.
5425         * diagnostic.c (emit_diagnostic): Add a comment.
5426         (emit_diagnostic_valist): New function.
5427
5428 2017-08-09  Marek Polacek  <polacek@redhat.com>
5429
5430         PR c/81417
5431         * input.c (make_location): New overload.
5432         * input.h (make_location): Declare.
5433
5434 2017-08-08  Alan Modra  <amodra@gmail.com>
5435             H.J. Lu  <hongjiu.lu@intel.com>
5436
5437         PR driver/81523
5438         * gcc.c (NO_PIE_SPEC): Delete.
5439         (PIE_SPEC): Define as !no-pie/pie.  Move static|shared|r
5440         exclusion..
5441         (LINK_PIE_SPEC): ..to here.
5442         (LINK_COMMAND_SPEC): Support -no-pie.
5443         * config/gnu-user.h (GNU_USER_TARGET_STARTFILE_SPEC): Correct
5444         chain of crtbegin*.o selection, update for PIE_SPEC changes and
5445         format.
5446         (GNU_USER_TARGET_ENDFILE_SPEC): Similarly.
5447         * config/sol2.h (STARTFILE_CRTBEGIN_SPEC): Similarly.
5448         (ENDFILE_CRTEND_SPEC): Similarly.
5449
5450 2017-08-08  Uros Bizjak  <ubizjak@gmail.com>
5451
5452         PR target/81708
5453         * config/i386/i386.opt (mstack-protector-guard-reg=): New option
5454         (mstack-protector-guard-offset=): Ditto.
5455         * config/i386/i386.c (ix86_option_override): Handle
5456         -mstack-protector-guard-reg= and -mstack-protector-guard-offset=
5457         options.
5458         (ix86_stack_protect_guard): Use ix86_stack_protect_guard_reg and
5459         ix86_stack_protect_guard_offset variables.
5460         (TARGET_STACK_PROTECT_GUARD): Always define.
5461         * doc/invoke.texi (x86 Options): Document -mstack-protector-guard-reg=
5462         and -mstack-protector-guard-offset= options.
5463
5464 2017-08-08  Bin Cheng  <bin.cheng@arm.com>
5465
5466         * tree-ssa-loop-ivopts.c (relate_compare_use_with_all_cands): Handle
5467         boundary case for the last candidate.
5468
5469 2017-08-08  Bin Cheng  <bin.cheng@arm.com>
5470
5471         * doc/invoke.texi: Document -ftree-loop-distribution for O3.
5472         * opts.c (default_options_table): Add OPT_ftree_loop_distribution.
5473
5474 2017-08-08  Tamar Christina  <tamar.christina@arm.com>
5475
5476         PR middle-end/19706
5477         * config/aarch64/aarch64.md (xorsign<mode>3): New optabs.
5478         * config/aarch64/aarch64-builtins.c
5479         (aarch64_builtin_vectorized_function): Added CASE_CFN_XORSIGN.
5480         * config/aarch64/aarch64-simd-builtins.def: Added xorsign BINOP.
5481         * config/aarch64/aarch64-simd.md: Added xorsign<mode>3
5482
5483 2017-08-08  Tamar Christina  <tamar.christina@arm.com>
5484             Andrew Pinski <pinskia@gmail.com>
5485
5486         PR middle-end/19706
5487         * internal-fn.def (XORSIGN): New.
5488         * optabs.def (xorsign_optab): New.
5489         * tree-ssa-math-opts.c (is_copysign_call_with_1): New.
5490         (convert_expand_mult_copysign): New.
5491         (pass_optimize_widening_mul::execute): Call
5492         convert_expand_mult_copysign.
5493
5494 2017-08-08  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5495
5496         PR tree-optimization/81354
5497         * gimple-ssa-strength-reduction.c (create_add_on_incoming_edge):
5498         Insert on edges rather than explicitly creating landing pads.
5499         (analyze_candidates_and_replace): Commit edge inserts.
5500
5501 2017-08-08  Richard Biener  <rguenther@suse.de>
5502
5503         PR middle-end/81719
5504         * tree-ssa-loop-niter.c: Include tree-dfa.h.
5505         (expand_simple_operations): Also look through ADDR_EXPRs with
5506         MEM_REF bases treating them as POINTER_PLUS_EXPR.
5507
5508 2017-08-08  Richard Biener  <rguenther@suse.de>
5509
5510         PR tree-optimization/81723
5511         * tree-vect-slp.c (struct bst_traits): New hash traits.
5512         (bst_fail): New global.
5513         (vect_build_slp_tree_2): New worker, split out from ...
5514         (vect_build_slp_tree): ... this now wrapping it with using
5515         bst_fail set to cache SLP tree build fails.  Properly handle
5516         max_tree_size.
5517         (vect_analyze_slp_instance): Allocate and free bst_fail.
5518
5519 2017-08-08  Martin Liska  <mliska@suse.cz>
5520
5521         PR tree-opt/81696
5522         * ipa-icf-gimple.c (func_checker::compare_cst_or_decl): Consider
5523         LABEL_DECLs that can be from a different function.
5524
5525 2017-08-08  Bin Cheng  <bin.cheng@arm.com>
5526
5527         PR tree-optimization/81744
5528         * tree-predcom.c (prepare_finalizers_chain): Deep copy expr of
5529         loop's number of iterations.
5530
5531 2017-08-08  Martin Liska  <mliska@suse.cz>
5532
5533         * asan.c: Include header files.
5534         * attribs.c (build_decl_attribute_variant): New function moved
5535         from tree.[ch].
5536         (build_type_attribute_qual_variant): Likewise.
5537         (cmp_attrib_identifiers): Likewise.
5538         (simple_cst_list_equal): Likewise.
5539         (omp_declare_simd_clauses_equal): Likewise.
5540         (attribute_value_equal): Likewise.
5541         (comp_type_attributes): Likewise.
5542         (build_type_attribute_variant): Likewise.
5543         (lookup_ident_attribute): Likewise.
5544         (remove_attribute): Likewise.
5545         (merge_attributes): Likewise.
5546         (merge_type_attributes): Likewise.
5547         (merge_decl_attributes): Likewise.
5548         (merge_dllimport_decl_attributes): Likewise.
5549         (handle_dll_attribute): Likewise.
5550         (attribute_list_equal): Likewise.
5551         (attribute_list_contained): Likewise.
5552         * attribs.h (lookup_attribute): New function moved from tree.[ch].
5553         (lookup_attribute_by_prefix): Likewise.
5554         * bb-reorder.c: Include header files.
5555         * builtins.c: Likewise.
5556         * calls.c: Likewise.
5557         * cfgexpand.c: Likewise.
5558         * cgraph.c: Likewise.
5559         * cgraphunit.c: Likewise.
5560         * convert.c: Likewise.
5561         * dwarf2out.c: Likewise.
5562         * final.c: Likewise.
5563         * fold-const.c: Likewise.
5564         * function.c: Likewise.
5565         * gimple-expr.c: Likewise.
5566         * gimple-fold.c: Likewise.
5567         * gimple-pretty-print.c: Likewise.
5568         * gimple.c: Likewise.
5569         * gimplify.c: Likewise.
5570         * hsa-common.c: Likewise.
5571         * hsa-gen.c: Likewise.
5572         * internal-fn.c: Likewise.
5573         * ipa-chkp.c: Likewise.
5574         * ipa-cp.c: Likewise.
5575         * ipa-devirt.c: Likewise.
5576         * ipa-fnsummary.c: Likewise.
5577         * ipa-inline.c: Likewise.
5578         * ipa-visibility.c: Likewise.
5579         * ipa.c: Likewise.
5580         * lto-cgraph.c: Likewise.
5581         * omp-expand.c: Likewise.
5582         * omp-general.c: Likewise.
5583         * omp-low.c: Likewise.
5584         * omp-offload.c: Likewise.
5585         * omp-simd-clone.c: Likewise.
5586         * opts-global.c: Likewise.
5587         * passes.c: Likewise.
5588         * predict.c: Likewise.
5589         * sancov.c: Likewise.
5590         * sanopt.c: Likewise.
5591         * symtab.c: Likewise.
5592         * toplev.c: Likewise.
5593         * trans-mem.c: Likewise.
5594         * tree-chkp.c: Likewise.
5595         * tree-eh.c: Likewise.
5596         * tree-into-ssa.c: Likewise.
5597         * tree-object-size.c: Likewise.
5598         * tree-parloops.c: Likewise.
5599         * tree-profile.c: Likewise.
5600         * tree-ssa-ccp.c: Likewise.
5601         * tree-ssa-live.c: Likewise.
5602         * tree-ssa-loop.c: Likewise.
5603         * tree-ssa-sccvn.c: Likewise.
5604         * tree-ssa-structalias.c: Likewise.
5605         * tree-ssa.c: Likewise.
5606         * tree-streamer-in.c: Likewise.
5607         * tree-vectorizer.c: Likewise.
5608         * tree-vrp.c: Likewise.
5609         * tsan.c: Likewise.
5610         * ubsan.c: Likewise.
5611         * varasm.c: Likewise.
5612         * varpool.c: Likewise.
5613         * tree.c: Remove functions moved to attribs.[ch].
5614         * tree.h: Likewise.
5615         * config/aarch64/aarch64.c: Add attrs.h header file.
5616         * config/alpha/alpha.c: Likewise.
5617         * config/arc/arc.c: Likewise.
5618         * config/arm/arm.c: Likewise.
5619         * config/avr/avr.c: Likewise.
5620         * config/bfin/bfin.c: Likewise.
5621         * config/c6x/c6x.c: Likewise.
5622         * config/cr16/cr16.c: Likewise.
5623         * config/cris/cris.c: Likewise.
5624         * config/darwin.c: Likewise.
5625         * config/epiphany/epiphany.c: Likewise.
5626         * config/fr30/fr30.c: Likewise.
5627         * config/frv/frv.c: Likewise.
5628         * config/ft32/ft32.c: Likewise.
5629         * config/h8300/h8300.c: Likewise.
5630         * config/i386/winnt.c: Likewise.
5631         * config/ia64/ia64.c: Likewise.
5632         * config/iq2000/iq2000.c: Likewise.
5633         * config/lm32/lm32.c: Likewise.
5634         * config/m32c/m32c.c: Likewise.
5635         * config/m32r/m32r.c: Likewise.
5636         * config/m68k/m68k.c: Likewise.
5637         * config/mcore/mcore.c: Likewise.
5638         * config/microblaze/microblaze.c: Likewise.
5639         * config/mips/mips.c: Likewise.
5640         * config/mmix/mmix.c: Likewise.
5641         * config/mn10300/mn10300.c: Likewise.
5642         * config/moxie/moxie.c: Likewise.
5643         * config/msp430/msp430.c: Likewise.
5644         * config/nds32/nds32-isr.c: Likewise.
5645         * config/nds32/nds32.c: Likewise.
5646         * config/nios2/nios2.c: Likewise.
5647         * config/nvptx/nvptx.c: Likewise.
5648         * config/pa/pa.c: Likewise.
5649         * config/pdp11/pdp11.c: Likewise.
5650         * config/powerpcspe/powerpcspe.c: Likewise.
5651         * config/riscv/riscv.c: Likewise.
5652         * config/rl78/rl78.c: Likewise.
5653         * config/rx/rx.c: Likewise.
5654         * config/s390/s390.c: Likewise.
5655         * config/sh/sh.c: Likewise.
5656         * config/sol2.c: Likewise.
5657         * config/sparc/sparc.c: Likewise.
5658         * config/spu/spu.c: Likewise.
5659         * config/stormy16/stormy16.c: Likewise.
5660         * config/tilegx/tilegx.c: Likewise.
5661         * config/tilepro/tilepro.c: Likewise.
5662         * config/v850/v850.c: Likewise.
5663         * config/vax/vax.c: Likewise.
5664         * config/visium/visium.c: Likewise.
5665         * config/xtensa/xtensa.c: Likewise.
5666
5667 2017-08-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
5668
5669         PR target/81593
5670         * config/rs6000/vsx.md (vsx_concat_<mode>, VSX_D): Cleanup
5671         constraints since the -mupper-regs-* switches have been
5672         eliminated.
5673         (vsx_concat_<mode>_1): New combiner insns to recognize inserting
5674         into a vector from a double word element that was extracted from
5675         another vector, and eliminate extra XXPERMDI instructions.
5676         (vsx_concat_<mode>_2): Likewise.
5677         (vsx_concat_<mode>_3): Likewise.
5678         (vsx_set_<mode>, VSX_D): Rewrite vector set in terms of vector
5679         concat to allow optimizing inserts from previous extracts.
5680
5681 2017-08-07  Uros Bizjak  <ubizjak@gmail.com>
5682
5683         * config/i386/i386.c (ix86_stack_protect_guard): Generate
5684         memory reference to a SSP offset in TLS address space.
5685         (ix86_print_operand) <case '@'>: Remove.
5686         (ix86_print_operand_punct_valid_p): Remove '@' code.
5687         * config/i386/i386.md (unspec): Remove UNSPEC_SP_TLS_SET and
5688         UNSPEC_SP_TLS_TEST.
5689         (stack_tls_protect_set_<mode>): Remove.
5690         (stack_protect_set): Do not call gen_stack_tls_protect_set_<mode>.
5691         (stack_tls_protect_test_<mode>): Remove.
5692         (stack_protect_test): Do not call gen_stack_tls_protect_test_<mode>.
5693
5694 2017-08-07  Olivier Hainque  <hainque@adacore.com>
5695
5696         PR target/81755
5697         * config/vxworksae.h (VXWORKS_HAVE_TLS): Define.
5698
5699 2017-08-07  Douglas Rupp  <rupp@adacore.com>
5700
5701         * Makefile.in (install-mkheaders): Fix typo, where the multi_dir
5702         variable was referenced as multidir in command.
5703
5704 2017-08-07  Jakub Jelinek  <jakub@redhat.com>
5705
5706         PR c/69389
5707         * gimplify.c (goa_stabilize_expr): Handle BIT_INSERT_EXPR and
5708         BIT_FIELD_REF.
5709
5710 2017-08-07  Martin Liska  <mliska@suse.cz>
5711
5712         * config/m32c/m32c.c: Add include of stringpool.h and attribs.h.
5713         * config/rl78/rl78.c: Add include of attribs.h.
5714         * config/sh/sh.c: Likewise.
5715         * config/v850/v850.c: Likewise.
5716
5717 2017-08-07  Tom de Vries  <tom@codesourcery.com>
5718
5719         PR middle-end/78266
5720         * omp-expand.c (expand_oacc_for): Ensure diff_type is large enough.
5721
5722 2017-08-07  Martin Liska  <mliska@suse.cz>
5723
5724         * config/mips/mips.c: Include attribs.h.
5725
5726 2017-08-07  Thomas Koenig  <tkoenig@gcc.gnu.org>
5727
5728         PR fortran/68829
5729         * doc/invoke.texi: Document change in behvaior for -Ofast for
5730         Fortran.
5731
5732 2017-08-07  Wilco Dijkstra  <wdijkstr@arm.com>
5733
5734         * config/aarch64/aarch64.c (aarch64_pushwb_single_reg):
5735         Use gen_frame_mem.
5736         (aarch64_pop_regs): Likewise.
5737         (aarch64_gen_load_pair): Likewise.
5738         (aarch64_save_callee_saves): Likewise.
5739         (aarch64_restore_callee_saves): Likewise.
5740
5741 2017-08-07  H.J. Lu  <hongjiu.lu@intel.com>
5742
5743         * config/i386/i386.c: Revert the last change.
5744
5745 2017-08-07  H.J. Lu  <hongjiu.lu@intel.com>
5746
5747         PR target/81736
5748         * config/i386/i386.c (ix86_finalize_stack_realign_flags): Renamed
5749         to ...
5750         (ix86_finalize_stack_frame_flags): This.  Also clear
5751         frame_pointer_needed if -fno-omit-frame-pointer is used without
5752         stack access.
5753         (ix86_expand_prologue): Replace ix86_finalize_stack_realign_flags
5754         with ix86_finalize_stack_frame_flags.
5755         (ix86_expand_epilogue): Likewise.
5756         (ix86_expand_split_stack_prologue): Likewise.
5757
5758 2017-08-07  H.J. Lu  <hongjiu.lu@intel.com>
5759
5760         PR target/81743
5761         * config/i386/i386.c (get_builtin_code_for_version): Set priority
5762         to P_AES for Westmere.
5763
5764 2017-08-07  Jonathan Yong  <10walls@gmail.com>
5765
5766         * config/i386/mingw.opt (fset-stack-executable): Removed.
5767         * config/i386/cygming.opt (fset-stack-executable): Moved
5768         from mingw.opt.
5769         * config/i386/cygwin.h: Define CHECK_EXECUTE_STACK_ENABLED.
5770
5771 2017-08-07  Segher Boessenkool  <segher@kernel.crashing.org>
5772
5773         * print-rtl.c (print_exp): Print NOT as "~" instead of as "!".
5774
5775 2017-08-07  Marek Polacek  <polacek@redhat.com>
5776
5777         PR middle-end/81737
5778         * fold-const.c (fold_indirect_ref_1): Check type_domain.
5779
5780 2017-08-07  Martin Liska  <mliska@suse.cz>
5781
5782         * attribs.h (canonicalize_attr_name): New function.
5783         (cmp_attribs): Move from c-format.c and adjusted.
5784         (is_attribute_p): Moved from tree.h.
5785         * tree-inline.c: Add new includes.
5786         * tree.c (cmp_attrib_identifiers): Use cmp_attribs.
5787         (private_is_attribute_p): Remove.
5788         (private_lookup_attribute): Likewise.
5789         (private_lookup_attribute_by_prefix): Simplify.
5790         (remove_attribute): Use is_attribute_p.
5791         * tree.h: Remove removed declarations.
5792
5793 2017-08-07  Jakub Jelinek  <jakub@redhat.com>
5794
5795         PR middle-end/81698
5796         * stmt.c (emit_case_dispatch_table): Add DEFAULT_EDGE argument,
5797         instead of computing it in the function.  Formatting fix.
5798         (expand_case): Don't rely on default_edge being the first edge,
5799         clear it if removing it, pass default_edge to
5800         emit_case_dispatch_table.
5801         (expand_sjlj_dispatch_table): Pass NULL as DEFAULT_EDGE, formatting
5802         fix.
5803
5804 2017-08-06  Uros Bizjak  <ubizjak@gmail.com>
5805
5806         * config/alpha/alpha.c (alpha_reorg): If trap is the last active
5807         insn in the function, emit NOP after the insn.
5808
5809 2017-08-06  Tom de Vries  <tom@codesourcery.com>
5810
5811         * omp-expand.c (expand_oacc_for): Add missing edge probability for tile
5812         and element loops.
5813
5814 2017-08-06  Tom de Vries  <tom@codesourcery.com>
5815
5816         * omp-expand.c (expand_oacc_for): Add missing edge probability for chunk
5817         loop.
5818
5819 2017-08-04  Yury Gribov  <tetra2005@gmail.com>
5820
5821         PR tree-optimization/57371
5822         * match.pd: New pattern.
5823
5824 2017-08-04  Marek Polacek  <polacek@redhat.com>
5825
5826         PR middle-end/81695
5827         * fold-const.c (fold_indirect_ref_1): For ((int *)&a + 4 -> a[1],
5828         perform the computation in offset_int.
5829
5830 2017-08-04  Richard Sandiford  <richard.sandiford@linaro.org>
5831
5832         PR tree-optimization/81136
5833         * tree-vectorizer.h: Include tree-hash-traits.h.
5834         (vec_base_alignments): New typedef.
5835         (vec_info): Add a base_alignments field.
5836         (vect_record_base_alignments): Declare.
5837         * tree-data-ref.h (data_reference): Add an is_conditional_in_stmt
5838         field.
5839         (DR_IS_CONDITIONAL_IN_STMT): New macro.
5840         (create_data_ref): Add an is_conditional_in_stmt argument.
5841         * tree-data-ref.c (create_data_ref): Likewise.  Use it to initialize
5842         the is_conditional_in_stmt field.
5843         (data_ref_loc): Add an is_conditional_in_stmt field.
5844         (get_references_in_stmt): Set the is_conditional_in_stmt field.
5845         (find_data_references_in_stmt): Update call to create_data_ref.
5846         (graphite_find_data_references_in_stmt): Likewise.
5847         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Likewise.
5848         * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
5849         (vect_record_base_alignment): New function.
5850         (vect_record_base_alignments): Likewise.
5851         (vect_compute_data_ref_alignment): Adjust base_addr and aligned_to
5852         for nested statements even if we fail to compute a misalignment.
5853         Use pooled base alignments for unconditional references.
5854         (vect_find_same_alignment_drs): Compare base addresses instead
5855         of base objects.
5856         (vect_analyze_data_refs_alignment): Call vect_record_base_alignments.
5857         * tree-vect-slp.c (vect_slp_analyze_bb_1): Likewise.
5858
5859 2017-08-04  Richard Sandiford  <richard.sandiford@linaro.org>
5860
5861         * tree-vectorizer.h (vec_info): Add a constructor and destructor.
5862         Add an explicit name for the enum.  Use auto_vec for slp_instances
5863         and grouped_stores.
5864         (_loop_vec_info): Add a constructor and destructor.  Use auto_vec
5865         for all vectors.
5866         (_bb_vec_info): Add a constructor and destructor.
5867         (vinfo_for_stmt): Return NULL for uids of -1 as well.
5868         (destroy_loop_vec_info): Delete.
5869         (vect_destroy_datarefs): Likewise.
5870         * tree-vectorizer.c (vect_destroy_datarefs): Delete.
5871         (vec_info::vec_info): New function.
5872         (vec_info::~vec_info): Likewise.
5873         (vectorize_loops): Use delete instead of destroy_loop_vec_info.
5874         * tree-parloops.c (gather_scalar_reductions): Use delete instead of
5875         destroy_loop_vec_info.
5876         * tree-vect-loop.c (new_loop_vec_info): Replace with...
5877         (_loop_vec_info::_loop_vec_info): ...this.
5878         (destroy_loop_vec_info): Replace with...
5879         (_loop_vec_info::~_loop_vec_info): ...this.  Unconditionally delete
5880         the stmt_vec_infos.  Leave handling of vec_info information to its
5881         destructor.  Remove explicit vector releases.
5882         (vect_analyze_loop_form): Use new instead of new_loop_vec_info.
5883         (vect_analyze_loop): Use delete instead of destroy_loop_vec_info.
5884         * tree-vect-slp.c (new_bb_vec_info): Replace with...
5885         (_bb_vec_info::_bb_vec_info): ...this.  Don't reserve space in
5886         BB_VINFO_GROUPED_STORES or BB_VINFO_SLP_INSTANCES.
5887         (destroy_bb_vec_info): Replace with...
5888         (_bb_vec_info::~_bb_vec_info): ...this.  Leave handling of vec_info
5889         information to its destructor.
5890         (vect_slp_analyze_bb_1): Use new and delete instead of
5891         new_bb_vec_info and destroy_bb_vec_info.
5892         (vect_slp_bb): Replace 2 calls to destroy_bb_vec_info with a
5893         single delete.
5894
5895 2017-08-04  Richard Sandiford  <richard.sandiford@linaro.org>
5896
5897         * tree-data-ref.h (subscript): Add access_fn field.
5898         (data_dependence_relation): Add could_be_independent_p.
5899         (SUB_ACCESS_FN, DDR_COULD_BE_INDEPENDENT_P): New macros.
5900         (same_access_functions): Move to tree-data-ref.c.
5901         * tree-data-ref.c (ref_contains_union_access_p): New function.
5902         (access_fn_component_p): Likewise.
5903         (access_fn_components_comparable_p): Likewise.
5904         (dr_analyze_indices): Add a reference to access_fn_component_p.
5905         (dump_data_dependence_relation): Use SUB_ACCESS_FN instead of
5906         DR_ACCESS_FN.
5907         (constant_access_functions): Likewise.
5908         (add_other_self_distances): Likewise.
5909         (same_access_functions): Likewise.  (Moved from tree-data-ref.h.)
5910         (initialize_data_dependence_relation): Use XCNEW and remove
5911         explicit zeroing of DDR_REVERSED_P.  Look for a subsequence
5912         of access functions that have the same type.  Allow the
5913         subsequence to end with different bases in some circumstances.
5914         Record the chosen access functions in SUB_ACCESS_FN.
5915         (build_classic_dist_vector_1): Replace ddr_a and ddr_b with
5916         a_index and b_index.  Use SUB_ACCESS_FN instead of DR_ACCESS_FN.
5917         (subscript_dependence_tester_1): Likewise dra and drb.
5918         (build_classic_dist_vector): Update calls accordingly.
5919         (subscript_dependence_tester): Likewise.
5920         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Check
5921         DDR_COULD_BE_INDEPENDENT_P.
5922         * tree-vectorizer.h (LOOP_REQUIRES_VERSIONING_FOR_ALIAS): Test
5923         comp_alias_ddrs instead of may_alias_ddrs.
5924         * tree-vect-data-refs.c (vect_analyze_possibly_independent_ddr):
5925         New function.
5926         (vect_analyze_data_ref_dependence): Use it if
5927         DDR_COULD_BE_INDEPENDENT_P, but fall back to using the recorded
5928         distance vectors if that fails.
5929         (dependence_distance_ge_vf): New function.
5930         (vect_prune_runtime_alias_test_list): Use it.  Don't clear
5931         LOOP_VINFO_MAY_ALIAS_DDRS.
5932
5933 2017-08-04  Richard Biener  <rguenther@suse.de>
5934
5935         PR middle-end/81705
5936         * fold-const.c (fold_binary_loc): Properly restrict
5937         minus_var0 && minus_var1 case when associating undefined overflow
5938         entities.
5939
5940 2017-08-04  Tom de Vries  <tom@codesourcery.com>
5941
5942         * omp-simd-clone.c (simd_clone_adjust): Add missing edge probability.
5943
5944 2017-08-03  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5945
5946         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
5947         Don't start diagnostic messages with a capital letter.
5948         * config/rs6000/rs6000.c (rs6000_option_override_internal):
5949         Likewise.
5950         (rs6000_invalid_builtin): Likewise.
5951         (rs6000_trampoline_init): Likewise.
5952
5953 2017-08-03  Jakub Jelinek  <jakub@redhat.com>
5954
5955         PR target/81621
5956         * bb-reorder.c (pass_partition_blocks::execute): Return TODO_df_finish
5957         after setting changeable df flags.
5958
5959 2017-08-03  Richard Biener  <rguenther@suse.de>
5960
5961         * tree-ssa-reassoc.c (should_break_up_subtract): Also break
5962         up if the use is in USE - X.
5963
5964 2017-08-03  Alexander Monakov  <amonakov@ispras.ru>
5965
5966         * toplev.c (dumpfile.h): New include.
5967         (internal_error_reentered): New static function.  Use it...
5968         (internal_error_function): ...here to handle reentered internal_error.
5969
5970 2017-08-03  Richard Biener  <rguenther@suse.de>
5971
5972         PR middle-end/81148
5973         * fold-const.c (split_tree): Add minus_var and minus_con
5974         arguments, remove unused loc arg.  Never generate NEGATE_EXPRs
5975         here but always use minus_*.
5976         (associate_trees): Assert we never associate with MINUS_EXPR
5977         and NULL first operand.  Do not recurse for PLUS_EXPR operands
5978         when associating as MINUS_EXPR either.
5979         (fold_binary_loc): Track minus_var and minus_con.
5980
5981 2017-08-03  Tom de Vries  <tom@codesourcery.com>
5982
5983         PR lto/81430
5984         * tree-streamer-in.c (lto_input_ts_function_decl_tree_pointers): If
5985         ACCEL_COMPILER, apply finish_options on
5986         DECL_FUNCTION_SPECIFIC_OPTIMIZATION.
5987
5988 2017-08-03  Tom de Vries  <tom@codesourcery.com>
5989
5990         PR target/81662
5991         * config/nvptx/nvptx.c (nvptx_option_override): Emit sorry if
5992         function_entry_patch_area_size > 0.
5993
5994 2017-08-03  Jakub Jelinek  <jakub@redhat.com>
5995
5996         PR driver/81650
5997         * calls.c (alloc_max_size): Use HOST_WIDE_INT_UC (10??)
5998         instead of 10??LU, perform unit multiplication in wide_int,
5999         don't change alloc_object_size_limit if the limit is larger
6000         than SSIZE_MAX.
6001
6002         PR tree-optimization/81655
6003         PR tree-optimization/81588
6004         * tree-ssa-reassoc.c (optimize_range_tests_var_bound): Handle also
6005         the case when ranges[i].low and high are 1 for unsigned type with
6006         precision 1.
6007
6008         PR middle-end/81052
6009         * omp-low.c (diagnose_sb_0): Handle flag_openmp_simd like flag_openmp.
6010         (pass_diagnose_omp_blocks::gate): Enable also for flag_openmp_simd.
6011
6012 2017-08-03  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
6013
6014         * tree-vrp.h: Add include guard.
6015
6016 2017-08-02  Uros Bizjak  <ubizjak@gmail.com>
6017
6018         PR target/81644
6019         * config/i386/i386.md (unspecv): Add UNSPECV_UD2.
6020         (ud2): New insn pattern.
6021         * config/i386/i386.c (ix86_expand_epilogue):
6022         For naked functions, generate ud2 instead of trap insn.
6023
6024 2017-08-02  Marek Polacek  <polacek@redhat.com>
6025
6026         PR other/81667
6027         * alloc-pool.h (base_pool_allocator): Initialize m_elt_size.
6028
6029 2017-08-02  Tom de Vries  <tom@codesourcery.com>
6030             Cesar Philippidis  <cesar@codesourcery.com>
6031
6032         * config/nvptx/nvptx.c (nvptx_lockless_update, nvptx_lockfull_update):
6033         Add missing edge probabilities.
6034
6035 2017-08-02  Tamar Christina  <tamar.christina@arm.com>
6036
6037         * config/aarch64/aarch64.c (aarch64_reinterpret_float_as_int):
6038         Correct endianness.
6039
6040 2017-08-02  Jakub Jelinek  <jakub@redhat.com>
6041
6042         PR middle-end/79499
6043         * function.c (thread_prologue_and_epilogue_insns): Determine blocks
6044         for find_many_sub_basic_blocks bitmap by looking up BLOCK_FOR_INSN
6045         of first NONDEBUG_INSN_P in each of the split_prologue_seq and
6046         prologue_seq sequences - if any.
6047
6048 2017-08-02  Richard Biener  <rguenther@suse.de>
6049
6050         * tree-vect-stmts.c (vectorizable_store): Perform vector extracts
6051         via vectors if supported, integer extracts via punning if supported
6052         or otherwise vector extracts.
6053
6054 2017-08-02  Richard Biener  <rguenther@suse.de>
6055
6056         * tree-ssa-pre.c (bitmap_insert_into_set_1): Remove and inline
6057         into ...
6058         (bitmap_insert_into_set): ... this.
6059
6060 2017-08-02  Richard Biener  <rguenther@suse.de>
6061
6062         PR tree-optimization/81633
6063         Revert
6064         2015-08-17  Alan Hayward  <alan.hayward@arm.com>
6065
6066         PR tree-optimization/71752
6067         * tree-vect-slp.c (vect_get_slp_defs): Handle null operands.
6068
6069 2017-08-01  Daniel Santos  <daniel.santos@pobox.com>
6070
6071         * config/i386/i386.h (ix86_frame::outlined_save_offset): Remove field.
6072         (machine_function::call_ms2sysv_pad_out): Remove field.
6073         * config/i386/i386.c (xlogue_layout::get_stack_space_used): Modify.
6074         (ix86_compute_frame_layout): Likewise.
6075
6076 2017-08-01  H.J. Lu  <hongjiu.lu@intel.com>
6077
6078         PR target/81654
6079         * config/i386/i386.c (ix86_set_func_type): Disallow naked
6080         attribute with interrupt attribute.
6081
6082 2017-08-01  Andrew Pinski  <apinski@cavium.com>
6083
6084         * tree-ssa-scopedtables.c (hashable_expr_equal_p): Check
6085         BIT_INSERT_EXPR's operand 1
6086         to see if the types precision matches.
6087
6088 2017-08-01  Martin Liska  <mliska@suse.cz>
6089
6090         PR middle-end/70140
6091         * builtins.c (expand_builtin_memcpy_args): Remove.
6092         (expand_builtin_memcpy): Call newly added function
6093         expand_builtin_memory_copy_args.
6094         (expand_builtin_memcpy_with_bounds): Likewise.
6095         (expand_builtin_mempcpy): Remove last argument.
6096         (expand_builtin_mempcpy_with_bounds): Likewise.
6097         (expand_builtin_memory_copy_args): New function created from
6098         expand_builtin_mempcpy_args with small modifications.
6099         (expand_builtin_mempcpy_args): Remove.
6100         (expand_builtin_stpcpy): Remove unused argument.
6101         (expand_builtin): Likewise.
6102         (expand_builtin_with_bounds): Likewise.
6103
6104 2017-08-01  Martin Liska  <mliska@suse.cz>
6105
6106         Revert r250771
6107         Make mempcpy more optimal (PR middle-end/70140).
6108
6109 2017-08-01  Jakub Jelinek  <jakub@redhat.com>
6110
6111         PR target/81622
6112         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): For
6113         __builtin_vec_cmpne verify both arguments are compatible vectors
6114         before looking at TYPE_MODE on the element type.  For __builtin_vec_ld
6115         verify arg1_type is a pointer or array type.  For __builtin_vec_st,
6116         move computation of aligned to after checking the argument types.
6117         Formatting fixes.
6118
6119         PR target/80846
6120         * config/rs6000/vsx.md (vextract_fp_from_shorth,
6121         vextract_fp_from_shortl): Add element mode after mode in gen_vec_init*
6122         calls.
6123
6124 2017-08-01  Jerome Lambourg  <lambourg@adacore.com>
6125             Doug Rupp  <rupp@adacore.com>
6126             Olivier Hainque  <hainque@adacore.com>
6127
6128         * config.gcc (arm-wrs-vxworks*): Rework to handle arm-wrs-vxworks7 as
6129         well as arm-wrs-vxworks. Update target_cpu_name from arm6 (arch v3) to
6130         arm8 (arch v4).
6131         * config/arm/vxworks.h (MAYBE_TARGET_BPABI_CPP_BUILTINS): New, helper
6132         for TARGET_OS_CPP_BUILTIN.
6133         (TARGET_OS_CPP_BUILTIN): Invoke MAYBE_TARGET_BPABI_CPP_BUILTINS(),
6134         refine CPU definitions for arm_arch5 and add those for arm_arch6 and
6135         arm_arch7.
6136         (MAYBE_ASM_ABI_SPEC): New, helper for SUBTARGET_EXTRA_ASM_SPEC,
6137         passing required abi options to the assembler for EABI configurations.
6138         (EXTRA_CC1_SPEC): New macro, to help prevent the implicit production
6139         of .text.hot and .text.unlikely sections for kernel modules when
6140         using ARM style exceptions.
6141         (CC1_SPEC): Remove obsolete attempt at mimicking Diab toolchain
6142         options. Add EXTRA_CC1_SPEC.
6143         (VXWORKS_ENDIAN_SPEC): Adjust comment and remove handling of Diab
6144         toolchain options.
6145         (DWARF2_UNWIND_INFO): Redefine to handle the pre/post VxWorks 7
6146         transition.
6147         (ARM_TARGET2_DWARF_FORMAT): Define.
6148         * config/arm/t-vxworks: Adjust multilib control to removal of the
6149         Diab command line options.
6150
6151 2017-08-01  Martin Liska  <mliska@suse.cz>
6152
6153         PR gcov-profile/81561
6154         * gcov.c (unblock): Make unblocking safe as we need to preserve
6155         index correspondence of blocks and block_lists.
6156
6157 2017-08-01  Richard Biener  <rguenther@suse.de>
6158
6159         PR tree-optimization/81181
6160         * tree-ssa-pre.c (compute_antic_aux): Defer clean() to ...
6161         (compute_antic): ... end of iteration here.
6162
6163 2017-08-01  James Greenhalgh  <james.greenhalgh@arm.com>
6164
6165         * common.opt (ftree-vectorize): No longer set flag_tree_vectorize.
6166         (ftree-loop-vectorize): Set as EnabledBy ftree-vectorize.
6167         (ftree-slp-vectorize): Likewise.
6168         * omp-expand (expand_omp_simd): Remove flag_tree_vectorize, as it
6169         can no longer be set independent of flag_tree_loop_vectorize.
6170         * omp-general.c (emp_max_vf): Likewise.
6171         * opts.c (enable_fdo_optimizations): Remove references to
6172         flag_tree_vectorize, these are now implicit.
6173         (common_handle_option): Remove handling for OPT_ftree_vectorize,
6174         and leave it for the options machinery.
6175
6176 2017-08-01  Martin Liska  <mliska@suse.cz>
6177
6178         PR middle-end/70140
6179         * builtins.c (expand_builtin_memcpy_args): Remove.
6180         (expand_builtin_memcpy): Call newly added function
6181         expand_builtin_memory_copy_args.
6182         (expand_builtin_memcpy_with_bounds): Likewise.
6183         (expand_builtin_mempcpy): Remove last argument.
6184         (expand_builtin_mempcpy_with_bounds): Likewise.
6185         (expand_builtin_memory_copy_args): New function created from
6186         expand_builtin_mempcpy_args with small modifications.
6187         (expand_builtin_mempcpy_args): Remove.
6188         (expand_builtin_stpcpy): Remove unused argument.
6189         (expand_builtin): Likewise.
6190         (expand_builtin_with_bounds): Likewise.
6191
6192 2017-08-01  Uros Bizjak  <ubizjak@gmail.com>
6193
6194         PR target/81641
6195         * config/i386/i386.c (ix86_print_operand_address_as): For -masm=intel
6196         print "ds:" only for immediates in generic address space.
6197
6198 2017-08-01  Uros Bizjak  <ubizjak@gmail.com>
6199
6200         PR target/81639
6201         * config/i386/i386.c (ix86_funciton_naked): New prototype.
6202         (ix86_function_ok_for_sibcall): Return false for naked functions.
6203
6204 2017-08-01  Richard Biener  <rguenther@suse.de>
6205
6206         * tree-ssa-pre.c (print_pre_expr): Handle NULL expr.
6207         (compute_antic): Seed worklist with exit block predecessors.
6208         * cfganal.c (dfs_find_deadend): For a cycle return the source
6209         of the edge closing it.
6210
6211 2017-08-01  Tamar Christina  <tamar.christina@arm.com>
6212
6213         * config/aarch64/aarch64.c
6214         (aarch64_can_const_movi_rtx_p): Move 0 check.
6215
6216 2017-08-01  Bin Cheng  <bin.cheng@arm.com>
6217
6218         * tree.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Delete.
6219         * fold-const.c (fold_comparison, fold_binary_loc): Delete use of
6220         above macro.
6221         * match.pd: Ditto in address comparison pattern.
6222
6223 2017-08-01  Bin Cheng  <bin.cheng@arm.com>
6224
6225         PR tree-optimization/81627
6226         * tree-predcom.c (prepare_finalizers): Always rewrite into loop
6227         closed ssa form for store-store chain.
6228
6229 2017-08-01  Bin Cheng  <bin.cheng@arm.com>
6230
6231         PR tree-optimization/81620
6232         * tree-predcom.c (add_ref_to_chain): Don't set has_max_use_after
6233         for store-store chain.
6234
6235 2017-08-01  Jakub Jelinek  <jakub@redhat.com>
6236
6237         PR tree-optimization/81588
6238         * tree-ssa-reassoc.c (optimize_range_tests_var_bound): If
6239         ranges[i].in_p, invert comparison code ccode.  For >/>=,
6240         swap rhs1 and rhs2 and comparison code unconditionally,
6241         for </<= don't do that.  Don't swap rhs1/rhs2 again if
6242         ranges[i].in_p, instead invert comparison code ccode if
6243         opcode or oe->rank is BIT_IOR_EXPR.
6244
6245         PR target/80846
6246         * optabs.def (vec_extract_optab, vec_init_optab): Change from
6247         a direct optab to conversion optab.
6248         * optabs.c (expand_vector_broadcast): Use convert_optab_handler
6249         with GET_MODE_INNER as last argument instead of optab_handler.
6250         * expmed.c (extract_bit_field_1): Likewise.  Use vector from
6251         vector extraction if possible and optab is available.
6252         * expr.c (store_constructor): Use convert_optab_handler instead
6253         of optab_handler.  Use vector initialization from smaller
6254         vectors if possible and optab is available.
6255         * tree-vect-stmts.c (vectorizable_load): Likewise.
6256         * doc/md.texi (vec_extract, vec_init): Document that the optabs
6257         now have two modes.
6258         * config/i386/i386.c (ix86_expand_vector_init): Handle expansion
6259         of vec_init from half-sized vectors with the same element mode.
6260         * config/i386/sse.md (ssehalfvecmode): Add V4TI case.
6261         (ssehalfvecmodelower, ssescalarmodelower): New mode attributes.
6262         (reduc_plus_scal_v8df, reduc_plus_scal_v4df, reduc_plus_scal_v2df,
6263         reduc_plus_scal_v16sf, reduc_plus_scal_v8sf, reduc_plus_scal_v4sf,
6264         reduc_<code>_scal_<mode>, reduc_umin_scal_v8hi): Add element mode
6265         after mode in gen_vec_extract* calls.
6266         (vec_extract<mode>): Renamed to ...
6267         (vec_extract<mode><ssescalarmodelower>): ... this.
6268         (vec_extract<mode><ssehalfvecmodelower>): New expander.
6269         (rotl<mode>3, rotr<mode>3, <shift_insn><mode>3, ashrv2di3): Add
6270         element mode after mode in gen_vec_init* calls.
6271         (VEC_INIT_HALF_MODE): New mode iterator.
6272         (vec_init<mode>): Renamed to ...
6273         (vec_init<mode><ssescalarmodelower>): ... this.
6274         (vec_init<mode><ssehalfvecmodelower>): New expander.
6275         * config/i386/mmx.md (vec_extractv2sf): Renamed to ...
6276         (vec_extractv2sfsf): ... this.
6277         (vec_initv2sf): Renamed to ...
6278         (vec_initv2sfsf): ... this.
6279         (vec_extractv2si): Renamed to ...
6280         (vec_extractv2sisi): ... this.
6281         (vec_initv2si): Renamed to ...
6282         (vec_initv2sisi): ... this.
6283         (vec_extractv4hi): Renamed to ...
6284         (vec_extractv4hihi): ... this.
6285         (vec_initv4hi): Renamed to ...
6286         (vec_initv4hihi): ... this.
6287         (vec_extractv8qi): Renamed to ...
6288         (vec_extractv8qiqi): ... this.
6289         (vec_initv8qi): Renamed to ...
6290         (vec_initv8qiqi): ... this.
6291         * config/rs6000/vector.md (VEC_base_l): New mode attribute.
6292         (vec_init<mode>): Renamed to ...
6293         (vec_init<mode><VEC_base_l>): ... this.
6294         (vec_extract<mode>): Renamed to ...
6295         (vec_extract<mode><VEC_base_l>): ... this.
6296         * config/rs6000/paired.md (vec_initv2sf): Renamed to ...
6297         (vec_initv2sfsf): ... this.
6298         * config/rs6000/altivec.md (splitter, altivec_copysign_v4sf3,
6299         vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi,
6300         vec_unpacku_lo_v8hi, mulv16qi3, altivec_vreve<mode>2): Add
6301         element mode after mode in gen_vec_init* calls.
6302         * config/aarch64/aarch64-simd.md (vec_init<mode>): Renamed to ...
6303         (vec_init<mode><Vel>): ... this.
6304         (vec_extract<mode>): Renamed to ...
6305         (vec_extract<mode><Vel>): ... this.
6306         * config/aarch64/iterators.md (Vel): New mode attribute.
6307         * config/s390/s390.c (s390_expand_vec_strlen, s390_expand_vec_movstr):
6308         Add element mode after mode in gen_vec_extract* calls.
6309         * config/s390/vector.md (non_vec_l): New mode attribute.
6310         (vec_extract<mode>): Renamed to ...
6311         (vec_extract<mode><non_vec_l>): ... this.
6312         (vec_init<mode>): Renamed to ...
6313         (vec_init<mode><non_vec_l>): ... this.
6314         * config/s390/s390-builtins.def (s390_vlgvb, s390_vlgvh, s390_vlgvf,
6315         s390_vlgvf_flt, s390_vlgvg, s390_vlgvg_dbl): Add element mode after
6316         vec_extract mode.
6317         * config/arm/iterators.md (V_elem_l): New mode attribute.
6318         * config/arm/neon.md (vec_extract<mode>): Renamed to ...
6319         (vec_extract<mode><V_elem_l>): ... this.
6320         (vec_extractv2di): Renamed to ...
6321         (vec_extractv2didi): ... this.
6322         (vec_init<mode>): Renamed to ...
6323         (vec_init<mode><V_elem_l>): ... this.
6324         (reduc_plus_scal_<mode>, reduc_plus_scal_v2di, reduc_smin_scal_<mode>,
6325         reduc_smax_scal_<mode>, reduc_umin_scal_<mode>,
6326         reduc_umax_scal_<mode>, neon_vget_lane<mode>, neon_vget_laneu<mode>):
6327         Add element mode after gen_vec_extract* calls.
6328         * config/mips/mips-msa.md (vec_init<mode>): Renamed to ...
6329         (vec_init<mode><unitmode>): ... this.
6330         (vec_extract<mode>): Renamed to ...
6331         (vec_extract<mode><unitmode>): ... this.
6332         * config/mips/loongson.md (vec_init<mode>): Renamed to ...
6333         (vec_init<mode><unitmode>): ... this.
6334         * config/mips/mips-ps-3d.md (vec_initv2sf): Renamed to ...
6335         (vec_initv2sfsf): ... this.
6336         (vec_extractv2sf): Renamed to ...
6337         (vec_extractv2sfsf): ... this.
6338         (reduc_plus_scal_v2sf, reduc_smin_scal_v2sf, reduc_smax_scal_v2sf):
6339         Add element mode after gen_vec_extract* calls.
6340         * config/mips/mips.md (unitmode): New mode iterator.
6341         * config/spu/spu.c (spu_expand_prologue, spu_allocate_stack,
6342         spu_builtin_extract): Add element mode after gen_vec_extract* calls.
6343         * config/spu/spu.md (inner_l): New mode attribute.
6344         (vec_init<mode>): Renamed to ...
6345         (vec_init<mode><inner_l>): ... this.
6346         (vec_extract<mode>): Renamed to ...
6347         (vec_extract<mode><inner_l>): ... this.
6348         * config/sparc/sparc.md (veltmode): New mode iterator.
6349         (vec_init<VMALL:mode>): Renamed to ...
6350         (vec_init<VMALL:mode><VMALL:veltmode>): ... this.
6351         * config/ia64/vect.md (vec_initv2si): Renamed to ...
6352         (vec_initv2sisi): ... this.
6353         (vec_initv2sf): Renamed to ...
6354         (vec_initv2sfsf): ... this.
6355         (vec_extractv2sf): Renamed to ...
6356         (vec_extractv2sfsf): ... this.
6357         * config/powerpcspe/vector.md (VEC_base_l): New mode attribute.
6358         (vec_init<mode>): Renamed to ...
6359         (vec_init<mode><VEC_base_l>): ... this.
6360         (vec_extract<mode>): Renamed to ...
6361         (vec_extract<mode><VEC_base_l>): ... this.
6362         * config/powerpcspe/paired.md (vec_initv2sf): Renamed to ...
6363         (vec_initv2sfsf): ... this.
6364         * config/powerpcspe/altivec.md (splitter, altivec_copysign_v4sf3,
6365         vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi,
6366         vec_unpacku_lo_v8hi, mulv16qi3): Add element mode after mode in
6367         gen_vec_init* calls.
6368
6369 2017-08-01  Richard Biener  <rguenther@suse.de>
6370
6371         PR tree-optimization/81297
6372         * tree-vrp.c (get_single_symbol): Remove assert, instead drop
6373         TREE_OVERFLOW from INTEGER_CSTs.
6374
6375 2017-07-31  Segher Boessenkool  <segher@kernel.crashing.org>
6376
6377         * config/rs6000/rs6000.c (enum rs6000_reg_type): Delete trailing comma.
6378
6379 2017-07-31  Carl Love  <cel@us.ibm.com>
6380
6381         * config/rs6000/rs6000-c: Add support for built-in functions
6382         vector signed char vec_xl_be (signed long long, signed char *);
6383         vector unsigned char vec_xl_be (signed long long, unsigned char *);
6384         vector signed int vec_xl_be (signed long long, signed int *);
6385         vector unsigned int vec_xl_be (signed long long, unsigned int *);
6386         vector signed long long vec_xl_be (signed long long, signed long long *);
6387         vector unsigned long long vec_xl_be (signed long long, unsigned long long *);
6388         vector signed short vec_xl_be (signed long long, signed short *);
6389         vector unsigned short vec_xl_be (signed long long, unsigned short *);
6390         vector double vec_xl_be (signed long long, double *);
6391         vector float vec_xl_be (signed long long, float *);
6392         * config/rs6000/altivec.h (vec_xl_be): Add #define.
6393         * config/rs6000/rs6000-builtin.def (XL_BE_V16QI, XL_BE_V8HI, XL_BE_V4SI)
6394         XL_BE_V2DI, XL_BE_V4SF, XL_BE_V2DF, XL_BE): Add definitions
6395         for the builtins.
6396         * config/rs6000/rs6000.c (altivec_expand_xl_be_builtin): Add function.
6397         (altivec_expand_builtin): Add switch statement to call
6398         altivec_expand_xl_be for each builtin.
6399         (altivec_init_builtins): Add def_builtin for _builtin_vsx_le_be_v8hi,
6400         __builtin_vsx_le_be_v4si, __builtin_vsx_le_be_v2di,
6401         __builtin_vsx_le_be_v4sf, __builtin_vsx_le_be_v2df,
6402         __builtin_vsx_le_be_v16qi.
6403         * doc/extend.texi: Update the built-in documentation file for the
6404         new built-in functions.
6405
6406 2017-07-31  Uros Bizjak  <ubizjak@gmail.com>
6407
6408         PR target/25967
6409         * config/i386/i386.c (ix86_allocate_stack_slots_for_args):
6410         New function.
6411         (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Define.
6412
6413 2017-07-31  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6414
6415         * config.gcc: Add z14.
6416         * config/s390/driver-native.c (s390_host_detect_local_cpu): Add
6417         CPU model numbers for z13s and z14.
6418         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Replace
6419         arch12 with z14.
6420         * config/s390/s390-opts.h (enum processor_type): Rename
6421         PROCESSOR_ARCH12 to PROCESSOR_3906_Z14.
6422         * config/s390/s390.c (processor_table): Add field for CPU name to
6423         be passed to Binutils.
6424         (s390_asm_output_machine_for_arch): Use the new field in
6425         processor_table for Binutils.
6426         (s390_expand_builtin): Replace arch12 with z14.
6427         (s390_issue_rate): Rename PROCESSOR_ARCH12 to PROCESSOR_3906_Z14.
6428         (s390_get_sched_attrmask): Likewise.
6429         (s390_get_unit_mask): Likewise.
6430         * config/s390/s390.opt: Add z14 to processor_type enum.
6431
6432 2017-07-31  Martin Jambor  <mjambor@suse.cz>
6433
6434         PR hsa/81477
6435         * ipa-fnsummary.c (ipa_fn_summary_generate): Set versionable
6436         regardless of optimization level.
6437
6438 2017-07-31  Jan Hubicka <hubicka@ucw.cz>
6439             Martin Liska  <mliska@suse.cz>
6440
6441         * predict.def: Remove old comment and adjust probability.
6442         * gimplify.c (should_warn_for_implicit_fallthrough): Ignore
6443         PREDICT statements.
6444
6445 2017-07-31  Uros Bizjak  <ubizjak@gmail.com>
6446
6447         PR target/25967
6448         * config/i386/i386.c (ix86_function_naked): New function.
6449         (ix86_can_use_return_insn_p): Return false for naked functions.
6450         (ix86_expand_prologue): Skip prologue for naked functions.
6451         (ix86_expand_epilogue): Skip epilogue for naked functions
6452         and emit trap instruction.
6453         (ix86_warn_func_return): New function.
6454         (ix86_attribute_table): Add "naked" attribute specification.
6455         (TARGET_WARN_FUNC_RETURN): Define.
6456         * doc/extend.texi (x86 Function Attributes) <naked>: Document it.
6457
6458 2017-07-31  Martin Liska  <mliska@suse.cz>
6459
6460         * gimple-pretty-print.c (dump_gimple_label): Never dump BB info.
6461         (dump_gimple_bb_header): Always dump BB info.
6462         (pp_cfg_jump): Do not append info about BB when dumping a jump.
6463
6464 2017-07-31  Martin Liska  <mliska@suse.cz>
6465
6466         PR sanitize/81530
6467         * convert.c (convert_to_integer_1): Guard condition with flag_sanitize_p
6468         also with current_function_decl non-null equality.
6469
6470 2017-07-31  Jakub Jelinek  <jakub@redhat.com>
6471
6472         PR sanitizer/81604
6473         * ubsan.c (ubsan_type_descriptor): For UBSAN_PRINT_ARRAY don't
6474         change type to the element type, instead add eltype variable and
6475         use it where we are interested in the element type.
6476
6477         PR tree-optimization/81603
6478         * ipa-polymorphic-call.c
6479         (ipa_polymorphic_call_context::ipa_polymorphic_call_context): Perform
6480         offset arithmetic in offset_int, bail out if the resulting bit offset
6481         doesn't fit into shwi.
6482
6483 2017-07-31  Martin Liska  <mliska@suse.cz>
6484
6485         * gimplify.c (mostly_copy_tree_r): Remove Java specific hunk.
6486         (gimplify_save_expr): Fix comment.
6487
6488 2017-07-30  H.J. Lu  <hongjiu.lu@intel.com>
6489
6490         PR target/79793
6491         * config/i386/i386.c (ix86_function_arg): Update arguments for
6492         exception handler.
6493         (ix86_compute_frame_layout): Set the initial stack offset to
6494         INCOMING_FRAME_SP_OFFSET.  Update red-zone offset with
6495         INCOMING_FRAME_SP_OFFSET.
6496         (ix86_expand_epilogue): Don't pop the 'ERROR_CODE' off the
6497         stack before exception handler returns.
6498         * config/i386/i386.h (INCOMING_FRAME_SP_OFFSET): Add the
6499         the 'ERROR_CODE' for exception handler.
6500
6501 2017-07-30  Uros Bizjak  <ubizjak@gmail.com>
6502
6503         * config/i386/i386.h (ASM_PRINTF_EXTENSIONS): New macro.
6504         (ASM_OUTPUT_REG_PUSH): Rewrite with new operand modifiers.
6505         (ASM_OUTPUT_REG_POP): Ditto.
6506         * config/i386/i386.c (ix86_asm_output_function_label): Use fputs
6507         instead of asm_fprintf to output pure string.
6508
6509 2017-07-29  Jakub Jelinek  <jakub@redhat.com>
6510
6511         * debug.h (struct gcc_debug_hooks): Add IMPLICIT argument
6512         to imported_module_or_decl hook.
6513         (debug_nothing_tree_tree_tree_bool): Remove.
6514         (debug_nothing_tree_tree_tree_bool_bool): New declaration.
6515         * debug.c (do_nothing_debug_hooks): Use
6516         debug_nothing_tree_tree_tree_bool_bool instead of
6517         debug_nothing_tree_tree_tree_bool.
6518         * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
6519         * dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Likewise.
6520         * sdbout.c (sdb_debug_hooks): Likewise.
6521         * dwarf2out.c (dwarf2_lineno_debug_hooks): Likewise.
6522         (gen_namespace_die): Add DW_AT_export_symbols attribute if
6523         langhook wants it.
6524         (dwarf2out_imported_module_or_decl): Add IMPLICIT argument,
6525         if true, -gdwarf-5 and decl will have DW_AT_export_symbols
6526         attribute, don't add anything.
6527
6528 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6529
6530         * fold-const.c (fold_build1_stat_loc): Remove _stat from name.
6531         (fold_build2_stat_loc): Likewise.
6532         (fold_build3_stat_loc): Likewise.
6533         * fold-const.h (fold_build1, fold_build2, fold_build3): Adjust.
6534         (fold_build1_loc): Remove macro.
6535         (fold_build2_loc): Likewise.
6536         (fold_build3_loc): Likewise.
6537
6538 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6539
6540         * gimple.c (gimple_build_debug_bind_stat): Remove _stat from name.
6541         (gimple_build_debug_bind_source_stat): Likewise.
6542         * gimple.h (gimple_build_debug_bind): Remove macro.
6543         (gimple_build_debug_bind_source): Likewise.
6544
6545 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6546
6547         * bitmap.c (bitmap_alloc): Adjust.
6548         (bitmap_gc_alloc): Likewise.
6549         * bitmap.h (bitmap_initialize_stat): Remove _stat from name.
6550
6551 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6552
6553         * bitmap.c (bitmap_obstack_alloc_stat): Rename to bitmap_alloc.
6554         (bitmap_gc_alloc_stat): Rename to bitmap_gc_alloc.
6555         * bitmap.h (bitmap_obstack_alloc_stat): Adjust prototype.
6556         (bitmap_gc_alloc_stat): Likewise.
6557         (BITMAP_ALLOC, BITMAP_GGC_ALLOC): Adjust.
6558
6559 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6560
6561         * rtl.c (shallow_copy_rtx_stat): Remove _stat from name.
6562         * rtl.h (shallow_copy_rtx): Remove macro.
6563
6564 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6565
6566         * emit-rtl.c (gen_raw_REG): Adjust.
6567         * gengenrtl.c (gendef): Likewise.
6568         * rtl.c (rtx_alloc_stat): Remove _stat from name.
6569         * rtl.h (rtx_alloc): Remove macro.
6570
6571 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6572
6573         * tree.c (build_tree_list_vec_stat): Remove _stat from name.
6574         (build_tree_list_stat): Likewise.
6575         * tree.h (build_tree_list): Remove macro.
6576         (build_tree_list_vec): Likewise.
6577
6578 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6579
6580         * tree.c (make_vector_stat): Remove _stat from name.
6581         (build_vector_stat): Likewise.
6582         * tree.h (make_vector_stat): Remove macro.
6583         (build_vector_stat): Likewise.
6584
6585 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6586
6587         * tree.h (build_var_debug_value): Remove prototype.
6588
6589 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6590
6591         * tree.c (tree_cons_stat): Remove _stat from name.
6592         * tree.h (tree_cons): Remove macro.
6593
6594 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6595
6596         * tree.c (build_vl_exp_stat): Remove _stat from name.
6597         * tree.h (build_vl_exp): Remove macro.
6598
6599 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6600
6601         * tree.c (build_decl_stat): Remove _stat from name.
6602         * tree.h (build_decl): Remove macro.
6603
6604 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6605
6606         * gimple.c (gimple_build_with_ops_stat): Adjust.
6607         (gimple_alloc_stat): Remove _stat from name.
6608         * gimple.h (gimple_alloc): Remove macro.
6609
6610 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6611
6612         * tree.c (make_tree_vec_stat): Remove _stat from name.
6613         (grow_tree_vec_stat): Likewise.
6614         * tree.h (make_tree_vec_stat): Adjust prototype.
6615         (grow_tree_vec_stat): Likewise.
6616         (make_tree_vec): Remove macro.
6617         (grow_tree_vec): Likewise.
6618
6619 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6620
6621         * fold-const.c (fold_build1_stat_loc): Adjust.
6622         (fold_build2_stat_loc): Likewise.
6623         (fold_build3_stat_loc): Likewise.
6624         * tree.c (build0_stat): Remove _stat from name.
6625         (build1_stat): Likewise.
6626         (build2_stat): Likewise.
6627         (build3_stat): Likewise.
6628         (build4_stat): Likewise.
6629         (build5_stat): Likewise.
6630         * tree.h (build1_loc): Remove macro, and rename _stat function
6631         to this.
6632         (build2_loc): Likewise.
6633         (build3_loc): Likewise.
6634         (build4_loc): Likewise.
6635         (build5_loc): Likewise.
6636
6637 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6638
6639         * tree.c (make_int_cst_stat): Remove _stat from name.
6640         * tree.h (make_int_cst_stat): Adjust prototype.
6641         (make_int_cst): Remove macro.
6642
6643 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6644
6645         * tree.c (make_tre_binfo_stat): Remove _stat from name.
6646         * tree.h (make_tree_binfo_stat): Adjust prototype.
6647         (make_tree_binfo): Remove.
6648
6649 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6650
6651         * tree.c (copy_node_stat): Rename to copy_node.
6652         (build_distinct_type_copy): Adjust.
6653         * tree.h (copy_node_stat): Adjust prototype.
6654         (copy_node): Remove macro.
6655
6656 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6657
6658         * tree.c (make_node_stat): rename to make_node.
6659         (build_tree_list_stat): Adjust.
6660         (build0_stat): Likewise.
6661         (build2_stat): Likewise.
6662         (build3_stat): Likewise.
6663         (build4_stat): Likewise.
6664         (build5_stat): Likewise.
6665         (build_decl_stat): Likewise.
6666         * tree.h (make_node_stat): Adjust prototype.
6667         (make_node): remove macro.
6668
6669 2017-07-28  Peter Bergner  <bergner@vnet.ibm.com>
6670
6671         * config/rs6000/ppc-auxv.h (PPC_FEATURE2_DARN): New define.
6672         (PPC_FEATURE2_SCV): Likewise.
6673         * config/rs6000/rs6000.c (cpu_supports_info): Use them.
6674
6675 2017-07-28  Tamar Christina  <tamar.christina@arm.com>
6676
6677         * config/aarch64/aarch64.c
6678         (aarch64_internal_mov_immediate): Add new special pattern.
6679         * config/aarch64/aarch64.md (*movdi_aarch64):
6680         Add reg/32bit const mov case.
6681
6682 2017-07-28  Tamar Christina  <tamar.christina@arm.com>
6683             Richard Sandiford <richard.sandiford@linaro.org>
6684
6685         * config/aarch64/aarch64.md (mov<mode>): Generalize.
6686         (*movhf_aarch64, *movsf_aarch64, *movdf_aarch64):
6687         Add integer and movi cases.
6688         (movi-split-hf-df-sf split, fp16): New.
6689         (enabled): Added TARGET_FP_F16INST.
6690         * config/aarch64/iterators.md (GPF_HF): New.
6691         * config/aarch64/predicates.md (aarch64_reg_or_fp_float): New.
6692
6693 2017-07-28  Tamar Christina  <tamar.christina@arm.com>
6694
6695         * config/aarch64/aarch64.c
6696         (aarch64_simd_container_mode): Add prototype.
6697         (aarch64_expand_mov_immediate): Add HI support.
6698         (aarch64_reinterpret_float_as_int, aarch64_float_const_rtx_p: New.
6699         (aarch64_can_const_movi_rtx_p): New.
6700         (aarch64_preferred_reload_class):
6701         Remove restrictions of using FP registers for certain SIMD operations.
6702         (aarch64_rtx_costs): Added new cost for CONST_DOUBLE moves.
6703         (aarch64_valid_floating_const): Add integer move validation.
6704         (aarch64_simd_imm_scalar_p): Remove.
6705         (aarch64_output_scalar_simd_mov_immediate): Generalize function.
6706         (aarch64_legitimate_constant_p): Expand list of supported cases.
6707         * config/aarch64/aarch64-protos.h
6708         (aarch64_float_const_rtx_p, aarch64_can_const_movi_rtx_p): New.
6709         (aarch64_reinterpret_float_as_int): New.
6710         (aarch64_simd_imm_scalar_p): Remove.
6711         * config/aarch64/constraints.md (Uvi): New.
6712         (Dd): Split into Ds and new Dd.
6713         * config/aarch64/aarch64.md (*movsi_aarch64):
6714         Add SIMD mov case.
6715         (*movdi_aarch64): Add SIMD mov case.
6716
6717 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
6718
6719         * tree-predcom.c: (struct chain): Handle store-store chain in which
6720         stores for elimination only store loop invariant values.
6721         (execute_pred_commoning_chain): Ditto.
6722         (prepare_initializers_chain_store_elim): Ditto.
6723         (prepare_finalizers): Ditto.
6724         (is_inv_store_elimination_chain): New function.
6725         (initialize_root_vars_store_elim_1): New function.
6726
6727 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
6728
6729         * tree-predcom.c: Revise general description of the pass.
6730         (enum chain_type): New enum type for store elimination.
6731         (struct chain): New field supporting store elimination.
6732         (struct component): Ditto.
6733         (dump_chain): Dump store-stores chain.
6734         (release_chain): Release resources.
6735         (split_data_refs_to_components): Compute and create component
6736         contains only stores for elimination.
6737         (get_chain_last_ref_at): New function.
6738         (make_invariant_chain): Initialization.
6739         (make_rooted_chain): Specify chain type in parameter and record it.
6740         (add_looparound_copies): Skip for store-stores chain.
6741         (determine_roots_comp): Compute type of chain and pass it to
6742         make_rooted_chain.
6743         (initialize_root_vars_store_elim_2): New function.
6744         (finalize_eliminated_stores): New function.
6745         (remove_stmt): Handle store for elimination.
6746         (execute_pred_commoning_chain): Execute predictive commoning on
6747         store-store chains.
6748         (determine_unroll_factor): Skip unroll for store-stores chain.
6749         (prepare_initializers_chain_store_elim): New function.
6750         (prepare_initializers_chain): Hanlde store-store chain.
6751         (prepare_finalizers_chain, prepare_finalizers): New function.
6752         (tree_predictive_commoning_loop): Return integer value indicating
6753         if loop is unrolled or lcssa form is corrupted.
6754         (tree_predictive_commoning): Rewrite for lcssa form if necessary.
6755
6756 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
6757
6758         * tree-predcom.c (initialize_root): Delete.
6759         (execute_pred_commoning_chain): Initialize root vars and replace
6760         reference of non-combined chain directly, rather than call above
6761         function.
6762
6763 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
6764
6765         * tree-predcom.c (ref_at_iteration): Add parameter NITERS.  Compute
6766         memory reference to DR at (NITERS + ITERS)-th iteration of loop.
6767
6768 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
6769
6770         * tree-predcom.c (struct chain): New field init_seq.
6771         (release_chain): Release init_seq.
6772         (prepare_initializers_chain): Record intialization stmts in above
6773         field.
6774         (insert_init_seqs): New function.
6775         (tree_predictive_commoning_loop): Call insert_init_seqs.
6776
6777 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
6778
6779         * tree-predcom.c (determine_roots_comp): Skip trivial components.
6780
6781 2017-07-28  Richard Biener  <rguenther@suse.de>
6782
6783         * match.pd: Remove superfluous :c.
6784         * genmatch.c (simplify::id): Add member.
6785         (lower_commutative, lower_opt_convert, lower_cond, lower_for):
6786         Copy id.
6787         (current_id): New global.
6788         (dt_node::parent): Move from ...
6789         (dt_operand::parent): ... here.  Add for_id member.
6790         (is_a_helper <dt_operand *>::test): DT_TRUE is also a dt_operand.
6791         (decision_tree::find_node): Relax order requirement when
6792         merging DT_TRUE nodes to ones inbetween the current simplify
6793         and the one we try to merge with.  Add diagnostic whenever
6794         we need to enforce pattern order by not merging.
6795         (decision_tree::insert): Set current_id.
6796         (decision_tree::print_node): Dump parent node and for_id.
6797         (parser::last_id): Add member.
6798         (parser::push_simplify): Assign unique id.
6799         (parser::parser): Initialize last_id.
6800
6801 2017-07-28  Martin Liska  <mliska@suse.cz>
6802
6803         PR sanitizer/81340
6804         * sanopt.c (sanitize_rewrite_addressable_params): Set VALUE_EXPR after
6805         gimple_build_debug_bind.
6806
6807 2017-07-28  Richard Biener  <rguenther@suse.de>
6808
6809         PR tree-optimization/81502
6810         * match.pd: Add pattern combining BIT_INSERT_EXPR with
6811         BIT_FIELD_REF.
6812         * tree-cfg.c (verify_expr): Verify types of BIT_FIELD_REF
6813         size/pos operands.
6814         (verify_gimple_assign_ternary): Likewise for BIT_INSERT_EXPR pos.
6815         * gimple-fold.c (maybe_canonicalize_mem_ref_addr): Use bitsizetype
6816         for BIT_FIELD_REF args.
6817         * fold-const.c (make_bit_field_ref): Likewise.
6818         * tree-vect-stmts.c (vectorizable_simd_clone_call): Likewise.
6819
6820 2017-07-28  Jakub Jelinek  <jakub@redhat.com>
6821
6822         PR sanitizer/80998
6823         * sanopt.c (pass_sanopt::execute): Handle IFN_UBSAN_PTR.
6824         * tree-ssa-alias.c (call_may_clobber_ref_p_1): Likewise.
6825         * flag-types.h (enum sanitize_code): Add SANITIZER_POINTER_OVERFLOW.
6826         Or it into SANITIZER_UNDEFINED.
6827         * ubsan.c: Include gimple-fold.h and varasm.h.
6828         (ubsan_expand_ptr_ifn): New function.
6829         (instrument_pointer_overflow): New function.
6830         (maybe_instrument_pointer_overflow): New function.
6831         (instrument_object_size): Formatting fix.
6832         (pass_ubsan::execute): Call instrument_pointer_overflow
6833         and maybe_instrument_pointer_overflow.
6834         * internal-fn.c (expand_UBSAN_PTR): New function.
6835         * ubsan.h (ubsan_expand_ptr_ifn): Declare.
6836         * sanitizer.def (__ubsan_handle_pointer_overflow,
6837         __ubsan_handle_pointer_overflow_abort): New builtins.
6838         * tree-ssa-tail-merge.c (merge_stmts_p): Handle IFN_UBSAN_PTR.
6839         * internal-fn.def (UBSAN_PTR): New internal function.
6840         * opts.c (sanitizer_opts): Add pointer-overflow.
6841         * lto-streamer-in.c (input_function): Handle IFN_UBSAN_PTR.
6842         * fold-const.c (build_range_check): Compute pointer range check in
6843         integral type if pointer arithmetics would be needed.  Formatting
6844         fixes.
6845
6846 2017-07-28  Martin Liska  <mliska@suse.cz>
6847
6848         PR sanitizer/81460
6849         * sanopt.c (sanitize_rewrite_addressable_params): Do not rewrite
6850         parameters that are of a variable-length.
6851
6852 2017-07-28  Sebastian Huber  <sebastian.huber@embedded-brains.de>
6853
6854         * config.gcc (powerpc-*-rtems*): Remove rs6000/eabi.h.  Add
6855         rs6000/biarch64.h.
6856         * config/rs6000/rtems.h (ASM_DECLARE_FUNCTION_SIZE): New macro.
6857         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
6858         (CRT_CALL_STATIC_FUNCTION): Likewise.
6859         (ASM_DEFAULT_SPEC): New define.
6860         (ASM_SPEC32): Likewise.
6861         (ASM_SPEC64): Likewise.
6862         (ASM_SPEC_COMMON): Likewise.
6863         (ASM_SPEC): Likewise.
6864         (INVALID_64BIT): Likewise.
6865         (LINK_OS_DEFAULT_SPEC): Likewise.
6866         (LINK_OS_SPEC32): Likewise.
6867         (LINK_OS_SPEC64): Likewise.
6868         (POWERPC_LINUX): Likewise.
6869         (PTRDIFF_TYPE): Likewise.
6870         (RESTORE_FP_PREFIX): Likewise.
6871         (RESTORE_FP_SUFFIX): Likewise.
6872         (SAVE_FP_PREFIX): Likewise.
6873         (SAVE_FP_SUFFIX): Likewise.
6874         (SIZE_TYPE): Likewise.
6875         (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
6876         (TARGET_64BIT): Likewise.
6877         (TARGET_64BIT): Likewise.
6878         (TARGET_AIX): Likewise.
6879         (WCHAR_TYPE_SIZE): Likewise.
6880         (WCHAR_TYPE): Undefine.
6881         (TARGET_OS_CPP_BUILTINS): Add 64-bit PowerPC defines.
6882         (CPP_OS_DEFAULT_SPEC): Use previous CPP_OS_RTEMS_SPEC.
6883         (CPP_OS_RTEMS_SPEC): Delete.
6884         (SUBSUBTARGET_EXTRA_SPECS): Remove cpp_os_rtems.  Add
6885         asm_spec_common, asm_spec32, asm_spec64, link_os_spec32, and
6886         link_os_spec64.
6887         * config/rs6000/t-rtems: Add mcpu=e6500/m64 multilibs.
6888
6889 2017-07-28  Jakub Jelinek  <jakub@redhat.com>
6890
6891         PR tree-optimization/81578
6892         * tree-parloops.c (build_new_reduction): Bail out if
6893         reduction_code isn't one of the standard OpenMP reductions.
6894         Move the details printing after that decision.
6895
6896 2017-07-27  Peter Bergner  <bergner@vnet.ibm.com>
6897
6898         * config/rs6000/predicates.md (volatile_mem_operand): Remove code
6899         related to reload_in_progress.
6900         (splat_input_operand): Likewise.
6901         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
6902         Delete prototype.
6903         * config/rs6000/rs6000.c (machine_function): Remove sdmode_stack_slot
6904         field.
6905         (TARGET_EXPAND_TO_RTL_HOOK): Delete.
6906         (TARGET_INSTANTIATE_DECLS): Likewise.
6907         (legitimate_indexed_address_p): Delete reload_in_progress code.
6908         (rs6000_debug_legitimate_address_p): Likewise.
6909         (rs6000_eliminate_indexed_memrefs): Likewise.
6910         (rs6000_emit_le_vsx_store): Likewise.
6911         (rs6000_emit_move_si_sf_subreg): Likewise.
6912         (rs6000_emit_move): Likewise.
6913         (register_to_reg_type): Likewise.
6914         (rs6000_pre_atomic_barrier): Likewise.
6915         (rs6000_machopic_legitimize_pic_address): Likewise.
6916         (rs6000_allocate_stack_temp): Likewise.
6917         (rs6000_address_for_fpconvert): Likewise.
6918         (rs6000_address_for_altivec): Likewise.
6919         (rs6000_secondary_memory_needed_rtx): Delete function.
6920         (rs6000_check_sdmode): Likewise.
6921         (rs6000_alloc_sdmode_stack_slot): Likewise.
6922         (rs6000_instantiate_decls): Likewise.
6923         * config/rs6000/rs6000.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
6924         * config/rs6000/rs6000.md (splitter for *movsi_got_internal):
6925         Delete reload_in_progress.
6926         (*vec_reload_and_plus_<mptrsize>): Likewise.
6927         * config/rs6000/vsx.md (vsx_mul_v2di): Likewise.
6928         (vsx_div_v2di): Likewise.
6929         (vsx_udiv_v2di): Likewise.
6930
6931 2017-07-27  Peter Bergner  <bergner@vnet.ibm.com>
6932
6933         * config/rs6000/rs6000.opt (mlra): Replace with stub.
6934         * config/rs6000/rs6000-cpus.def (POWERPC_MASKS): Delete OPTION_MASK_LRA.
6935         * config/rs6000/rs6000.c (TARGET_LRA_P): Delete.
6936         (rs6000_debug_reg_global): Delete print of LRA status.
6937         (rs6000_option_override_internal): Delete dead LRA related code.
6938         (rs6000_lra_p): Delete function.
6939         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete -mlra.
6940
6941 2017-07-27  Sebastian Huber  <sebastian.huber@embedded-brains.de>
6942
6943         * config.gcc (riscv*-*-elf*): Add (riscv*-*-rtems*).
6944         * config/riscv/rtems.h: New file.
6945
6946 2017-07-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6947             Sudakshina Das  <sudi.das@arm.com>
6948
6949         * config/aarch64/aarch64.md
6950         (define_split for and<mode>3nr_compare): Move
6951         non aarch64_logical_operand to a register.
6952         (define_split for and_<SHIFT:optab><mode>3nr_compare0): Move non
6953         register immediate operand to a register.
6954         * config/aarch64/predicates.md (aarch64_mov_imm_operand): New.
6955
6956 2017-07-27  Peter Bergner  <bergner@vnet.ibm.com>
6957
6958         PR middle-end/81564
6959         * tree-cfg.c (group_case_labels_stmt): Handle already deleted blocks.
6960
6961 2017-07-27  Richard Biener  <rguenther@suse.de>
6962
6963         PR tree-optimization/81573
6964         PR tree-optimization/81494
6965         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
6966         multi defuse cycle case.
6967
6968 2017-07-27  Richard Biener  <rguenther@suse.de>
6969
6970         PR tree-optimization/81571
6971         * tree-vect-slp.c (vect_build_slp_tree): Properly verify reduction
6972         PHIs.
6973
6974 2017-07-27  Eric Botcazou  <ebotcazou@adacore.com>
6975
6976         * config/sparc/sparc.c (sparc_option_override): Set MASK_FSMULD flag
6977         earlier and only if MASK_FPU is set.  Adjust formatting.
6978
6979 2017-07-27  Martin Liska  <mliska@suse.cz>
6980
6981         * opt-functions.awk: Add validation of value of Init.
6982         * optc-gen.awk: Pass new argument.
6983
6984 2017-07-27  Martin Liska  <mliska@suse.cz>
6985
6986         * auto-profile.c (autofdo_source_profile::update_inlined_ind_target):
6987         Fix wrong condition.
6988
6989 2017-07-27  Martin Liska  <mliska@suse.cz>
6990
6991         * auto-profile.c (afdo_annotate_cfg): Assign zero counts to
6992         BBs and edges seen by autoFDO.
6993
6994 2017-07-27  Richard Biener  <rguenther@suse.de>
6995
6996         PR tree-optimization/81502
6997         * tree-ssa.c (non_rewritable_lvalue_p): Handle BIT_INSERT_EXPR
6998         with incompatible but same sized type.
6999         (execute_update_addresses_taken): Likewise.
7000
7001 2017-07-27  James Greenhalgh  <james.greenhalgh@arm.com>
7002
7003         * tree-ssa-loop-ch.c (pass_ch::process_loop_p): Guard on
7004         flag_tree_loop_vectorize rather than flag_tree_vectorize.
7005
7006 2017-07-27  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7007
7008         PR target/81534
7009         * config/s390/s390.md ("*atomic_compare_and_swap<mode>_1")
7010         ("*atomic_compare_and_swapdi_2", "*atomic_compare_and_swapsi_3"):
7011         Change s_operand to memory_operand.
7012
7013 2017-07-27  Richard Sandiford  <richard.sandiford@linaro.org>
7014
7015         * config/rs6000/rs6000-protos.h (rs6000_emit_le_vsx_permute): Declare.
7016         * config/rs6000/rs6000.c (rs6000_gen_le_vsx_permute): Replace with...
7017         (rs6000_emit_le_vsx_permute): ...this.  Take the destination as input.
7018         Emit instructions rather than returning an expression.  Handle TFmode
7019         and KFmode by casting to TImode.
7020         (rs6000_emit_le_vsx_load): Update to use rs6000_emit_le_vsx_permute.
7021         (rs6000_emit_le_vsx_store): Likewise.
7022         * config/rs6000/vsx.md (VSX_TI): New iterator.
7023         (*vsx_le_permute_<mode>): Use it instead of VSX_LE_128.
7024         (*vsx_le_undo_permute_<mode>): Likewise.
7025         (*vsx_le_perm_load_<mode>): Use rs6000_emit_le_vsx_permute to
7026         emit the split sequence.
7027         (*vsx_le_perm_store_<mode>): Likewise.
7028
7029 2017-07-27  Jakub Jelinek  <jakub@redhat.com>
7030
7031         PR tree-optimization/81555
7032         PR tree-optimization/81556
7033         * tree-ssa-reassoc.c (rewrite_expr_tree): Add NEXT_CHANGED argument,
7034         if true, force CHANGED for the recursive invocation.
7035         (reassociate_bb): Remember original length of ops array, pass
7036         len != orig_len as NEXT_CHANGED in rewrite_expr_tree call.
7037
7038         * attribs.c (decl_attributes): Imply noinline, noclone and no_icf
7039         attributes for noipa attribute.  For naked attribute use
7040         lookup_attribute first before lookup_attribute_spec.
7041         * final.c (rest_of_handle_final): Disable IPA RA for functions with
7042         noipa attribute.
7043         * ipa-visibility.c (non_local_p): Fix comment typos.  Return true
7044         for functions with noipa attribute.
7045         (cgraph_externally_visible_p): Return true for functions with noipa
7046         attribute.
7047         * cgraph.c (cgraph_node::get_availability): Return AVAIL_INTERPOSABLE
7048         for functions with noipa attribute.
7049         * doc/extend.texi: Document noipa function attribute.
7050         * tree-ssa-structalias.c (refered_from_nonlocal_fn): Set *nonlocal_p
7051         also for functions with noipa attribute.
7052         (ipa_pta_execute): Set nonlocal_p also for nodes with noipa attribute.
7053
7054 2017-07-26  Andrew Pinski  <apinski@cavium.com>
7055
7056         * config/aarch64/aarch64.c (thunderx_vector_cost): Decrease cost of
7057         vec_unalign_load_cost and vec_unalign_store_cost.
7058
7059 2017-07-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
7060
7061         * config/rs6000/rs6000-cpus.def (ISA_2_7_MASKS_SERVER): Delete
7062         -mvsx-small-integer option.
7063         (ISA_3_0_MASKS_IEEE): Likewise.
7064         (OTHER_VSX_VECTOR_MASKS): Likewise.
7065         (POWERPC_MASKS): Likewise.
7066         * config/rs6000/rs6000.opt (-mvsx-small-integer): Likewise.
7067         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Simplify
7068         code, only testing for DImode being allowed in non-VSX floating
7069         point registers.
7070         (rs6000_init_hard_regno_mode_ok): Change TARGET_VSX_SMALL_INTEGER
7071         to TARGET_P8_VECTOR test.  Remove redundant VSX test inside of
7072         another VSX test.
7073         (rs6000_option_override_internal): Delete -mvsx-small-integer.
7074         (rs6000_expand_vector_set): Change TARGET_VSX_SMALL_INTEGER to
7075         TARGET_P8_VECTOR test.
7076         (rs6000_secondary_reload_simple_move): Likewise.
7077         (rs6000_preferred_reload_class): Delete TARGET_VSX_SMALL_INTEGER,
7078         since TARGET_P9_VECTOR was already tested.
7079         (rs6000_opt_masks): Remove -mvsx-small-integer.
7080         * config/rs6000/vsx.md (vsx_extract_<mode>): Delete
7081         TARGET_VSX_SMALL_INTEGER, since a test for TARGET_P9_VECTOR was
7082         used.
7083         (vsx_extract_<mode>_p9): Delete TARGET_VSX_SMALL_INTEGER, since a
7084         test for TARGET_VEXTRACTUB was used, and that uses
7085         TARGET_P9_VECTOR.
7086         (p9 extract splitter): Likewise.
7087         (vsx_extract_<mode>_di_p9): Likewise.
7088         (vsx_extract_<mode>_store_p9): Likewise.
7089         (vsx_extract_si): Delete TARGET_VSX_SMALL_INTEGER, since a test
7090         for TARGET_P9_VECTOR was used.  Delete code that is now dead with
7091         the elimination of TARGET_VSX_SMALL_INTEGER.
7092         (vsx_extract_<mode>_p8): Likewise.
7093         (vsx_ext_<VSX_EXTRACT_I:VS_scalar>_fl_<FL_CONV:mode>): Likewise.
7094         (vsx_ext_<VSX_EXTRACT_I:VS_scalar>_ufl_<FL_CONV:mode>): Likewise.
7095         (vsx_set_<mode>_p9): Likewise.
7096         (vsx_set_v4sf_p9): Likewise.
7097         (vsx_set_v4sf_p9_zero): Likewise.
7098         (vsx_insert_extract_v4sf_p9): Likewise.
7099         (vsx_insert_extract_v4sf_p9_2): Likewise.
7100         * config/rs6000/rs6000.md (sign extend splitter): Change
7101         TARGET_VSX_SMALL_INTEGER to TARGET_P8_VECTOR test.
7102         (floatsi<mode>2_lfiwax_mem): Likewise.
7103         (floatunssi<mode>2_lfiwzx_mem): Likewise.
7104         (float<QHI:mode><FP_ISA3:mode>2): Delete TARGET_VSX_SMALL_INTEGER,
7105         since a test for TARGET_P9_VECTOR was used.
7106         (float<QHI:mode><FP_ISA3:mode>2_internal): Likewise.
7107         (floatuns<QHI:mode><FP_ISA3:mode>2): Likewise.
7108         (floatuns<QHI:mode><FP_ISA3:mode>2_internal): Likewise.
7109         (fix_trunc<mode>si2): Change TARGET_VSX_SMALL_INTEGER to
7110         TARGET_P8_VECTOR test.
7111         (fix_trunc<mode>si2_stfiwx): Likewise.
7112         (fix_trunc<mode>si2_internal): Likewise.
7113         (fix_trunc<SFDF:mode><QHI:mode>2): Delete
7114         TARGET_VSX_SMALL_INTEGER, since a test for TARGET_P9_VECTOR was
7115         used.
7116         (fix_trunc<SFDF:mode><QHI:mode>2_internal): Likewise.
7117         (fixuns_trunc<mode>si2): Change TARGET_VSX_SMALL_INTEGER to
7118         TARGET_P8_VECTOR test.
7119         (fixuns_trunc<mode>si2_stfiwx): Likewise.
7120         (fixuns_trunc<SFDF:mode><QHI:mode>2): Delete
7121         TARGET_VSX_SMALL_INTEGER, since a test for TARGET_P9_VECTOR was
7122         used.
7123         (fixuns_trunc<SFDF:mode><QHI:mode>2_internal): Likewise.
7124         (fctiw<u>z_<mode>_smallint): Delete TARGET_VSX_SMALL_INTEGER,
7125         since a test for TARGET_P9_VECTOR was used.
7126         (splitter for loading small constants): Likewise.
7127
7128 2017-07-26  Andrew Pinski  <apinski@cavium.com>
7129
7130         * config/aarch64/aarch64.c (thunderx_vector_cost): Fix
7131         vec_fp_stmt_cost.
7132
7133 2017-07-26  H.J. Lu  <hongjiu.lu@intel.com>
7134
7135         PR target/81563
7136         * config/i386/i386.c (sp_valid_at): Properly check CFA offset.
7137         (fp_valid_at): Likewise.
7138
7139 2017-07-26  James Greenhalgh  <james.greenhalgh@arm.com>
7140
7141         * config/aarch64/aarch64.c (cortexa57_addrcost_table): Remove.
7142         (qdf24xx_addrcost_table): Likewise.
7143         (cortexa57_tunings): Update to use generic_branch_cost.
7144         (cortexa72_tunings): Likewise.
7145         (cortexa73_tunings): Likewise.
7146         (qdf24xx_tunings): Likewise.
7147
7148 2017-07-26  James Greenhalgh  <james.greenhalgh@arm.com>
7149
7150         * config/aarch64/aarch64.c (cortexa57_branch_cost): Remove.
7151         (thunderx2t99_branch_cost): Likewise.
7152         (cortexa35_tunings): Update to use generic_branch_cost.
7153         (cortexa53_tunings): Likewise.
7154         (cortexa57_tunings): Likewise.
7155         (cortexa72_tunings): Likewise.
7156         (cortexa73_tunings): Likewise.
7157         (thunderx2t99_tunings): Likewise.
7158
7159 2017-07-26  Sebastian Huber  <sebastian.huber@embedded-brains.de>
7160
7161         * config/sparc/sparc.c (dump_target_flag_bits): Dump MASK_FSMULD.
7162         (sparc_option_override): Honour MASK_FSMULD.
7163         * config/sparc/sparc.h (MASK_FEATURES): Add MASK_FSMULD.
7164         * config/sparc/sparc.md (muldf3_extend): Use TARGET_FSMULD.
7165         * config/sparc/sparc.opt (mfsmuld): New option.
7166         * doc/invoke.texi (mfsmuld): Document option.
7167
7168 2017-07-26  Marek Polacek  <polacek@redhat.com>
7169
7170         PR middle-end/70992
7171         * tree.c (build2_stat): Don't set TREE_CONSTANT on divisions by zero.
7172
7173 2017-07-26  Richard Biener  <rguenther@suse.de>
7174
7175         * gimple-match-head.c (do_valueize): Return OP if valueize
7176         returns NULL_TREE.
7177         (get_def): New helper to get at the def stmt of a SSA name
7178         if valueize allows.
7179         * genmatch.c (dt_node::gen_kids_1): Use get_def instead of
7180         do_valueize to get at the def stmt.
7181         (dt_operand::gen_gimple_expr): Simplify do_valueize calls.
7182
7183 2017-07-26  Wilco Dijkstra  <wdijkstr@arm.com>
7184
7185         PR middle-end/46932
7186         * auto-inc-dec.c (parse_add_or_inc): Block autoinc on sfp.
7187
7188 2017-07-26  Martin Liska  <mliska@suse.cz>
7189
7190         PR sanitize/81186
7191         * function.c (expand_function_start): Make expansion of
7192         nonlocal_goto_save_area after parm_birth_insn.
7193
7194 2017-07-26  Sebastian Huber  <sebastian.huber@embedded-brains.de>
7195
7196         * config/sparc/sparc.c (sparc_option_override): Remove MASK_FPU
7197         from all CPU target flags enable members.
7198
7199 2017-07-26  Richard Biener  <rguenther@suse.de>
7200
7201         * genmatch.c (dt_simplify::gen): Make iterator vars const.
7202         (decision_tree::gen): Make 'type' const.
7203         (write_predicate): Likewise.
7204
7205 2017-07-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
7206
7207         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok):
7208         Eliminate TARGET_UPPER_REGS_{DF,DI,SF} usage.
7209         (rs6000_option_override_internal): Likewise.
7210         (rs6000_expand_vector_set): Likewise.
7211         * config/rs6000/rs6000.h (TARGET_UPPER_REGS_DF): Delete.
7212         (TARGET_UPPER_REGS_SF): Likewise.
7213         (TARGET_UPPER_REGS_DI): Likewise.
7214         (TARGET_VEXTRACTUB): Eliminate TARGET_UPPER_REGS_{DF,DI,SF}.
7215         (TARGET_DIRECT_MOVE_64BIT): Likewise.
7216         * config/rs6000/rs6000.md (ALTIVEC_DFORM): Likewise.
7217         (float<QHI:mode><FP_ISA3:mode>2_internal): Likewise.
7218         (Splitters for DI constants in Altivec registers): Likewise.
7219         * config/rs6000/vsx.md (vsx_set_<mode>_p9): Likewise.
7220         (vsx_set_v4sf_p9): Likewise.
7221         (vsx_set_v4sf_p9_zero): Likewise.
7222         (vsx_insert_extract_v4sf_p9): Likewise.
7223         (vsx_insert_extract_v4sf_p9_2): Likewise.
7224
7225 2017-07-25  Carl Love  <cel@us.ibm.com>
7226
7227         * doc/extend.texi: Update the built-in documentation file for the
7228         existing built-in functions
7229         vector signed char vec_cnttz (vector signed char);
7230         vector unsigned char vec_cnttz (vector unsigned char);
7231         vector signed short vec_cnttz (vector signed short);
7232         vector unsigned short vec_cnttz (vector unsigned short);
7233         vector signed int vec_cnttz (vector signed int);
7234         vector unsigned int vec_cnttz (vector unsigned int);
7235         vector signed long long vec_cnttz (vector signed long long);
7236         vector unsigned long long vec_cnttz (vector unsigned long long);
7237
7238 2017-07-25  Andrew Pinski  <apinski@cavium.com>
7239
7240         * tree-ssa-uninit.c (warn_uninitialized_vars): Don't warn about memory
7241         accesses where the use is for the first operand of a BIT_INSERT.
7242
7243 2017-07-25  Jim Wilson  <jim.wilson@linaro.org>
7244
7245         PR bootstrap/81521
7246         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition): Look
7247         for FUNCTION_DECLs in TYPE_FIELDS rather than TYPE_METHODS.
7248
7249 2017-07-25  Jim Wilson  <jim.wilson@linaro.org>
7250
7251         * config/i386/gstabs.h: Delete.
7252         * config/i386/openbsd.h, config/i386/t-openbsd: Likewise.
7253
7254 2017-07-25  Uros Bizjak  <ubizjak@gmail.com>
7255
7256         * config/i386/i386.c (ix86_decompose_address): Do not check for
7257         register RTX when looking at index_reg or base_reg.
7258         * config/i386/i386.h (INCOMING_RETURN_ADDR_RTX): Use stack_pointer_rtx.
7259
7260 2017-07-25  Eric Botcazou  <ebotcazou@adacore.com>
7261
7262         * gimple.c (gimple_assign_set_rhs_with_ops): Do not ask gsi_replace
7263         to update EH info here.
7264
7265 2017-07-25  Alexander Monakov  <amonakov@ispras.ru>
7266
7267         * match.pd ((X * CST1) * CST2): Simplify to X * (CST1 * CST2).
7268
7269 2017-07-25  Alexander Monakov  <amonakov@ispras.ru>
7270
7271         * match.pd ((X * CST) * Y): Reassociate to (X * Y) * CST.
7272
7273 2017-07-25  Torsten Duwe  <duwe@suse.de>
7274
7275         * common.opt: Introduce -fpatchable-function-entry
7276         command line option, and its variables function_entry_patch_area_size
7277         and function_entry_patch_area_start.
7278         * opts.c (common_handle_option): Add -fpatchable_function_entry_ case,
7279         including a two-value parser.
7280         * target.def (print_patchable_function_entry): New target hook.
7281         * targhooks.h (default_print_patchable_function_entry): New function.
7282         * targhooks.c (default_print_patchable_function_entry): Likewise.
7283         * toplev.c (process_options): Switch off IPA-RA if
7284         patchable function entries are being generated.
7285         * varasm.c (assemble_start_function): Look at the
7286         patchable-function-entry command line switch and current
7287         function attributes and maybe generate NOP instructions by
7288         calling the print_patchable_function_entry hook.
7289         * doc/extend.texi: Document patchable_function_entry attribute.
7290         * doc/invoke.texi: Document -fpatchable_function_entry
7291         command line option.
7292         * doc/tm.texi.in (TARGET_ASM_PRINT_PATCHABLE_FUNCTION_ENTRY):
7293         New target hook.
7294         * doc/tm.texi: Re-generate.
7295
7296 2017-07-25  Jakub Jelinek  <jakub@redhat.com>
7297
7298         PR target/81532
7299         * config/i386/constraints.md (Yd, Ye): Use ALL_SSE_REGS for
7300         TARGET_AVX512DQ rather than TARGET_AVX512BW.
7301
7302 2017-07-25  Tamar Christina  <tamar.christina@arm.com>
7303
7304         * config/arm/parsecpu.awk (all_cores): Remove duplicates.
7305
7306 2017-07-25  Richard Biener  <rguenther@suse.de>
7307
7308         PR tree-optimization/81455
7309         * tree-ssa-loop-unswitch.c (find_loop_guard): Make sure to
7310         not walk in cycles when looking for guards.
7311
7312 2017-07-25  Richard Biener  <rguenther@suse.de>
7313
7314         PR tree-optimization/81529
7315         * tree-vect-stmts.c (process_use): Disregard live induction PHIs
7316         when optimizing backedge uses.
7317
7318 2017-07-25  David Edelsohn  <dje.gcc@gmail.com>
7319
7320         * dwarf2asm.c (dw2_asm_output_nstring): Encode double quote
7321         character for AIX.
7322         * dwarf2out.c (output_macinfo): Copy debug_line_section_label
7323         to dl_section_ref.  On AIX, append an expression to subtract
7324         the size of the section length to dl_section_ref.
7325
7326 2017-07-25  Segher Boessenkool  <segher@kernel.crashing.org>
7327
7328         * configure.ac: If any of the config.* scripts fail, exit 1.
7329         * configure: Regenerate.
7330
7331 2017-07-25  Richard Biener  <rguenther@suse.de>
7332
7333         PR middle-end/81546
7334         * tree-ssa-operands.c (verify_imm_links): Remove cap on number
7335         of immediate uses, be more verbose on errors.
7336
7337 2017-07-25  Richard Biener  <rguenther@suse.de>
7338
7339         PR tree-optimization/81510
7340         * tree-vect-loop.c (vect_is_simple_reduction): When the
7341         reduction stmt is not inside the loop bail out.
7342
7343 2017-07-25  Richard Biener  <rguenther@suse.de>
7344
7345         PR tree-optimization/81303
7346         * tree-vect-loop-manip.c (vect_loop_versioning): Build
7347         profitability check against LOOP_VINFO_NITERSM1.
7348
7349 2017-07-25  Alexander Monakov  <amonakov@ispras.ru>
7350
7351         * domwalk.c (cmp_bb_postorder): Simplify.
7352         (sort_bbs_postorder): New function.  Use it...
7353         (dom_walker::walk): ...here to optimize common cases.
7354
7355 2017-07-25  Martin Liska  <mliska@suse.cz>
7356
7357         PR ipa/81520
7358         * ipa-visibility.c (function_and_variable_visibility): Make the
7359         redirection just on target that supports aliasing.
7360         Fix GNU coding style.
7361
7362 2017-07-25  Sebastian Huber  <sebastian.huber@embedded-brains.de>
7363
7364         PR libgcc/61152
7365         * config/aarch64/rtems.h: Add GCC Runtime Library Exception.
7366         Format changes.
7367         * config/arm/rtems.h: Likewise.
7368         * config/bfin/rtems.h: Likewise.
7369         * config/i386/rtemself.h: Likewise.
7370         * config/lm32/rtems.h: Likewise.
7371         * config/m32c/rtems.h: Likewise.
7372         * config/m68k/rtemself.h: Likewise.
7373         * config/microblaze/rtems.h: Likewise.
7374         * config/mips/rtems.h: Likewise.
7375         * config/moxie/rtems.h: Likewise.
7376         * config/nios2/rtems.h: Likewise.
7377         * config/powerpcspe/rtems.h: Likewise.
7378         * config/rs6000/rtems.h: Likewise.
7379         * config/rtems.h: Likewise.
7380         * config/sh/rtems.h: Likewise.
7381         * config/sh/rtemself.h: Likewise.
7382         * config/sparc/rtemself.h: Likewise.
7383
7384 2017-07-25  Georg-Johann Lay  <avr@gjlay.de>
7385
7386         PR 81487
7387         * hsa-brig.c (brig_init): Use xasprintf instead of asprintf.
7388         * gimple-pretty-print.c (dump_profile, dump_probability): Same.
7389         * tree-ssa-structalias.c (alias_get_name): Same.
7390
7391 2017-07-25  Bin Cheng  <bin.cheng@arm.com>
7392
7393         PR target/81414
7394         * config/aarch64/cortex-a57-fma-steering.c (analyze): Skip fmul/fmac
7395         instructions if no du chain is found.
7396
7397 2017-07-25  Georg-Johann Lay  <avr@gjlay.de>
7398
7399         * config/avr/avr-log.c (avr_log_vadump) ['T']: Print NULL-TREE.
7400
7401 2017-07-25  Richard Biener  <rguenther@suse.de>
7402
7403         PR middle-end/81505
7404         * fold-const.c (fold_negate_const): TREE_OVERFLOW should be
7405         sticky.
7406
7407 2017-07-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
7408
7409         * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Delete
7410         upper-regs options.
7411         (ISA_2_7_MASKS_SERVER): Likewise.
7412         (ISA_3_0_MASKS_IEEE): Likewise.
7413         (OTHER_P8_VECTOR_MASKS): Likewise.
7414         (OTHER_VSX_VECTOR_MASKS): Likewise.
7415         (POWERPC_MASKS): Likewise.
7416         (power7 cpu): Use ISA_2_6_MASKS_SERVER instead of using a
7417         duplicate list of options.
7418         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Remove
7419         explicit -mupper-regs options.
7420         * config/rs6000/rs6000.opt (-mvsx-scalar-memory): Delete
7421         -mupper-regs* options.  Delete -mvsx-scalar-memory, which was an
7422         alias for -mupper-regs-df.
7423         * config/rs6000/rs6000.c (rs6000_setup_reg_addr_masks): Likewise.
7424         (rs6000_init_hard_regno_mode_ok): Likewise.
7425         (rs6000_option_override_internal): Likewise.
7426         (rs6000_opt_masks): Likewise.
7427         * config/rs6000/rs6000.h (TARGET_UPPER_REGS_DF): Define upper regs
7428         options in terms of whether -mvsx or -mpower8-vector was used.
7429         (TARGET_UPPER_REGS_DI): Likewise.
7430         (TARGET_UPPER_REGS_SF): Likewise.
7431         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete the
7432         -mupper-regs-* options.
7433
7434 2017-07-24  Segher Boessenkool  <segher@kernel.crashing.org>
7435
7436         * passes.c (emergency_dump_function): Print some empty lines and a
7437         header before the RTL dump.
7438
7439 2017-07-24  Segher Boessenkool  <segher@kernel.crashing.org>
7440
7441         * cfgrtl.c (rtl_dump_bb): Don't call NEXT_INSN on NULL.
7442
7443 2017-07-24  Wilco Dijkstra  <wdijkstr@arm.com>
7444
7445         PR target/79041
7446         * config/aarch64/aarch64.c (aarch64_classify_symbol):
7447         Avoid SYMBOL_SMALL_ABSOLUTE for literals with pc-relative literals.
7448
7449 2017-07-24  Carl Love  <cel@us.ibm.com>
7450
7451         * config/rs6000/rs6000-c.c: Add support for built-in functions
7452         vector float vec_extract_fp32_from_shorth (vector unsigned short);
7453         vector float vec_extract_fp32_from_shortl (vector unsigned short);
7454         * config/rs6000/altivec.h (vec_extract_fp_from_shorth,
7455         vec_extract_fp_from_shortl): Add defines for the two builtins.
7456         * config/rs6000/rs6000-builtin.def (VEXTRACT_FP_FROM_SHORTH,
7457         VEXTRACT_FP_FROM_SHORTL): Add BU_P9V_OVERLOAD_1 and BU_P9V_VSX_1
7458         new builtins.
7459         * config/rs6000/vsx.md vsx_xvcvhpsp): Add define_insn.
7460         (vextract_fp_from_shorth, vextract_fp_from_shortl): Add define_expands.
7461         * doc/extend.texi: Update the built-in documentation file for the
7462         new built-in function.
7463
7464 2017-07-24  Jakub Jelinek  <jakub@redhat.com>
7465
7466         PR bootstrap/81521
7467         * tree.def: Remove TYPE_METHODS documentation, adjust TYPE_FIELDS
7468         documentation.
7469         * doc/generic.texi: Likewise.
7470         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition): Look
7471         for FUNCTION_DECLs in TYPE_FIELDS rather than TYPE_METHODS.
7472
7473 2017-07-24  Jackson Woodruff  <jackson.woodruff@arm.com>
7474
7475         * config/aarch64/aarch64-simd.md (aarch64_mla_elt_merge<mode>): New.
7476         (aarch64_mls_elt_merge<mode>): Likewise.
7477
7478 2017-07-23  Krister Walfridsson  <krister.walfridsson@gmail.com>
7479
7480         * config.gcc (*-*-netbsd*): Remove check for NetBSD versions not
7481         having __cxa_atexit.
7482
7483 2017-07-23  Michael Collison  <michael.collison@arm.com>
7484
7485         * config/arm/arm.c (arm_option_override): Deprecate
7486         use of -mstructure-size-boundary.
7487         * config/arm/arm.opt: Deprecate -mstructure-size-boundary.
7488         * doc/invoke.texi: Deprecate -mstructure-size-boundary.
7489
7490 2017-07-23  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7491
7492         PR target/80695
7493         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost):
7494         Reduce cost estimate for direct moves.
7495
7496 2017-07-23  Uros Bizjak  <ubizjak@gmail.com>
7497
7498         PR target/80569
7499         * config/i386/i386.c (ix86_option_override_internal): Disable
7500         BMI, BMI2 and TBM instructions for -m16.
7501
7502 2017-07-21  Carl Love  <cel@us.ibm.com>
7503
7504         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
7505         ALTIVEC_BUILTIN_VMULESW, ALTIVEC_BUILTIN_VMULEUW,
7506         ALTIVEC_BUILTIN_VMULOSW, ALTIVEC_BUILTIN_VMULOUW entries.
7507         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin,
7508         builtin_function_type): Add ALTIVEC_BUILTIN_* case statements.
7509         * config/rs6000/altivec.md (MVULEUW, VMULESW, VMULOUW,
7510         VMULOSW): New enum "unspec" values.
7511         (altivec_vmuleuw, altivec_vmulesw, altivec_vmulouw,
7512         altivec_vmulosw): New patterns.
7513         * config/rs6000/rs6000-builtin.def (VMLEUW, VMULESW, VMULOUW,
7514         VMULOSW): Add definitions.
7515
7516 2017-07-21  Jim Wilson  <jim.wilson@linaro.org>
7517
7518         * config/aarch64/aarch64-cores.def (falkor): Add AARCH64_FL_RDMA.
7519         (qdf24xx): Likewise.
7520         * config/aarch64/aarch64-options-extensions.def (rdma); New.
7521         * config/aarch64/aarch64.h (AARCH64_FL_RDMA): New.
7522         (AARCH64_FL_V8_1): Renumber.
7523         (AARCH64_FL_FOR_ARCH8_1): Add AARCH64_FL_RDMA.
7524         (AARCH64_ISA_RDMA): Use AARCH64_FL_RDMA.
7525         * config/aarch64/arm_neon.h: Use +rdma instead of arch=armv8.1-a.
7526         * doc/invoke.texi (AArch64 Options): Mention +rmda in -march docs.  Add
7527         rdma to feature modifiers list.
7528
7529 2017-07-21  Yury Gribov  <tetra2005@gmail.com>
7530
7531         PR middle-end/56727
7532         * ipa-visibility (function_and_variable_visibility): Convert
7533         recursive PLT call to direct call if appropriate.
7534
7535 2017-07-21  Andrew Pinski  <apinski@cavium.com>
7536
7537         * tree-ssa-sccvn.c (vn_nary_op_eq): Check BIT_INSERT_EXPR's
7538         operand 1 to see if the types precision matches.
7539         * fold-const.c (operand_equal_p): Likewise.
7540
7541 2017-07-21  Richard Biener  <rguenther@suse.de>
7542
7543         PR tree-optimization/81303
7544         * tree-vect-data-refs.c (vect_get_peeling_costs_all_drs): Pass
7545         in datarefs vector.  Allow NULL dr0 for no peeling cost estimate.
7546         (vect_peeling_hash_get_lowest_cost): Adjust.
7547         (vect_enhance_data_refs_alignment): Likewise.  Use
7548         vect_get_peeling_costs_all_drs to compute the penalty for no
7549         peeling to match up costs.
7550
7551 2017-07-21  Richard Biener  <rguenther@suse.de>
7552
7553         PR tree-optimization/81500
7554         * tree-vect-loop.c (vect_is_simple_reduction): Properly fail if
7555         we didn't identify a reduction path.
7556
7557 2017-07-21  Tom de Vries  <tom@codesourcery.com>
7558             Cesar Philippidis  <cesar@codesourcery.com>
7559
7560         PR gcov-profile/81442
7561         * config/nvptx/nvptx.c (nvptx_goacc_reduction_init): Add missing edge
7562         probabilities.
7563
7564 2017-07-21  Tom de Vries  <tom@codesourcery.com>
7565
7566         PR lto/81430
7567         * config/nvptx/nvptx.c (nvptx_override_options_after_change): New
7568         function.
7569         (TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE): Define to
7570         nvptx_override_options_after_change.
7571
7572 2017-07-21  Ulrich Drepper  <drepper@redhat.com>
7573
7574         * dwarf2out.c (output_file_names): Avoid double testing for
7575         dwarf_version >= 5.
7576
7577 2017-07-21  Georg-Johann Lay  <avr@gjlay.de>
7578
7579         * doc/invoke.texi (AVR Built-in Functions): Re-layout section.
7580
7581 2016-07-21  Jan Hubicka  <hubicka@ucw.cz>
7582
7583         * cfgcleanup.c (flow_find_cross_jump): Do not crossjump across
7584         hot/cold regions.
7585         (try_crossjump_to_edge): Do not punt on partitioned functions.
7586
7587 2016-07-21  Jan Hubicka  <hubicka@ucw.cz>
7588
7589         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
7590         Put all BBs reachable only via paths crossing cold region to cold
7591         region.
7592         * cfgrtl.c (find_bbs_reachable_by_hot_paths): New function.
7593
7594 2016-07-21  Richard Biener  <rguenther@suse.de>
7595
7596         PR tree-optimization/81303
7597         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Take
7598         into account prologue and epilogue iterations when raising
7599         min_profitable_iters to sth at least covering one vector iteration.
7600
7601 2017-07-21  Tamar Christina  <tamar.christina@arm.com>
7602
7603         * config/arm/arm.c (arm_test_cpu_arch_dat):
7604         Check for overlap.
7605
7606 2017-07-20  Nathan Sidwell  <nathan@acm.org>
7607
7608         Remove TYPE_METHODS.
7609         * tree.h (TYPE_METHODS): Delete.
7610         * dwarf2out.c (gen_member_die): Member fns are on TYPE_FIELDS.
7611         * dbxout.c (dbxout_type_fields): Ignore FUNCTION_DECLs.
7612         (dbxout_type_methods): Scan TYPE_FIELDS.
7613         (dbxout_type): Don't check TYPE_METHODS here.
7614         * function.c (use_register_for_decl): Always ignore register for
7615         class types when not optimizing.
7616         * ipa-devirt.c (odr_types_equivalent_p): Delete TYPE_METHODS scan.
7617         * tree.c (free_lang_data_in_type): Stitch out member functions and
7618         templates from TYPE_FIELDS.
7619         (build_distinct_type_copy, verify_type_variant,
7620         verify_type): Member fns are on TYPE_FIELDS.
7621         * tree-dump.c (dequeue_and_dump): No TYPE_METHODS.
7622         * tree-pretty-print.c (dump_generic_node): Likewise.
7623
7624 2017-07-20  Jakub Jelinek  <jakub@redhat.com>
7625
7626         PR target/80846
7627         * config/i386/i386.c (ix86_expand_vector_init_general): Handle
7628         V2TImode and V4TImode.
7629         (ix86_expand_vector_extract): Likewise.
7630         * config/i386/sse.md (VMOVE): Enable V4TImode even for just
7631         TARGET_AVX512F, instead of only for TARGET_AVX512BW.
7632         (ssescalarmode): Handle V4TImode and V2TImode.
7633         (VEC_EXTRACT_MODE): Add V4TImode and V2TImode.
7634         (*vec_extractv2ti, *vec_extractv4ti): New insns.
7635         (VEXTRACTI128_MODE): New mode iterator.
7636         (splitter for *vec_extractv?ti first element): New.
7637         (VEC_INIT_MODE): New mode iterator.
7638         (vec_init<mode>): Consolidate 3 expanders into one using
7639         VEC_INIT_MODE mode iterator.
7640
7641 2017-07-20  Alexander Monakov  <amonakov@ispras.ru>
7642
7643         * lra-assigns.c (pseudo_compare_func): Fix comparison step based on
7644         non_spilled_static_chain_regno_p.
7645
7646 2017-07-20  Alexander Monakov  <amonakov@ispras.ru>
7647
7648         * gimple-ssa-store-merging.c (sort_by_bitpos): Return 0 on equal bitpos.
7649
7650 2017-07-20  Jan Hubicka  <hubicka@ucw.cz>
7651
7652         * bb-reorder.c (connect_traces): Allow copying of blocks within
7653         single partition.
7654
7655 2017-07-20  Richard Biener  <rguenther@suse.de>
7656
7657         * gimple.h (gimple_phi_result): Add gphi * overload.
7658         (gimple_phi_result_ptr): Likewise.
7659         (gimple_phi_arg): Likewise.  Adjust index assert to only
7660         allow actual argument accesses rather than all slots available
7661         by capacity.
7662         (gimple_phi_arg_def): Add gphi * overload.
7663         * tree-phinodes.c (make_phi_node): Initialize only actual
7664         arguments.
7665         (resize_phi_node): Clear memory not covered by old node,
7666         do not initialize excess argument slots.
7667         (reserve_phi_args_for_new_edge): Initialize new argument slot
7668         completely.
7669
7670 2017-07-20  Bin Cheng  <bin.cheng@arm.com>
7671
7672         PR tree-optimization/81388
7673         Revert r238585:
7674         2016-07-21  Bin Cheng  <bin.cheng@arm.com>
7675
7676         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Clean up
7677         by removing computation of may_be_zero.
7678
7679 2017-07-18  Jan Hubicka  <hubicka@ucw.cz>
7680             Tom de Vries  <tom@codesourcery.com>
7681
7682         PR middle-end/81030
7683         * cfgbuild.c (find_many_sub_basic_blocks): Update REG_BR_PROB note
7684         when gimple level profile disagrees with what RTL expander did.
7685
7686 2017-07-20  Richard Biener  <rguenther@suse.de>
7687
7688         PR tree-optimization/61171
7689         * tree-vectorizer.h (slp_instance): Add reduc_phis member.
7690         (vect_analyze_stmt): Add slp instance parameter.
7691         (vectorizable_reduction): Likewise.
7692         * tree-vect-loop.c (vect_analyze_loop_operations): Adjust.
7693         (vect_is_simple_reduction): Deal with chains not detected
7694         as SLP reduction chain, specifically not properly associated
7695         chains containing a mix of plus/minus.
7696         (get_reduction_op): Remove.
7697         (get_initial_defs_for_reduction): Simplify, pass in whether
7698         this is a reduction chain, pass in the SLP node for the PHIs.
7699         (vect_create_epilog_for_reduction): Get the SLP instance as
7700         arg and adjust.
7701         (vectorizable_reduction): Get the SLP instance as arg.
7702         During analysis remember the SLP node with the PHIs in the
7703         instance.  Simplify getting at the vectorized reduction PHIs.
7704         * tree-vect-slp.c (vect_slp_analyze_node_operations): Pass
7705         through SLP instance.
7706         (vect_slp_analyze_operations): Likewise.
7707         * tree-vect-stms.c (vect_analyze_stmt): Likewise.
7708         (vect_transform_stmt): Likewise.
7709
7710 2017-07-20  Tom de Vries  <tom@codesourcery.com>
7711
7712         PR tree-optimization/81489
7713         * gimple-ssa-isolate-paths.c (find_implicit_erroneous_behavior): Move
7714         read of phi arg location to before loop that modifies phi.
7715
7716 2017-07-20  Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
7717
7718         * match.pd (((m1 >/</>=/<= m2) * d -> (m1 >/</>=/<= m2) ? d : 0):
7719         New pattern.
7720
7721 2017-07-19  Jan Hubicka  <hubicka@ucw.cz>
7722
7723         PR middle-end/81331
7724         * except.c (execute): Fix ordering issue.
7725
7726 2018-07-19  Segher Boessenkool  <segher@kernel.crashing.org>
7727
7728         PR rtl-optimization/81423
7729         * combine.c (make_compound_operation_int): Don't try to optimize
7730         the AND of a SUBREG of an LSHIFTRT if that SUBREG is paradoxical.
7731
7732 2017-07-19  Segher Boessenkool  <segher@kernel.crashing.org>
7733
7734         PR rtl-optimization/81423
7735         * simplify-rtx.c (simplify_truncation): Handle truncating an IOR
7736         with a constant that is -1 in the truncated to mode.
7737
7738 2017-07-19  Jan Hubicka  <hubicka@ucw.cz>
7739
7740         * predict.c (propagate_unlikely_bbs_forward): Break out from ...
7741         (determine_unlikely_bbs): ... here.
7742         * predict.h (propagate_unlikely_bbs_forward): Declare.
7743         * cfgexpand.c (pass_expand::execute): Use it.
7744         * bb-reorder.c (sanitize_hot_paths): Do not consider known to be
7745         unlikely edges.
7746         (find_rarely_executed_basic_blocks_and_crossing_edges): Use
7747         propagate_unlikely_bbs_forward.
7748
7749 2017-07-19  Jan Hubicka  <hubicka@ucw.cz>
7750
7751         PR middle-end/81331
7752         * except.c (maybe_add_nop_after_section_switch): New function.
7753         (execute): Use it.
7754
7755 2017-07-19  Tom de Vries  <tom@codesourcery.com>
7756
7757         * gimple.h (gimple_phi_set_arg): Make assert more strict.
7758
7759 2017-07-19  Tom de Vries  <tom@codesourcery.com>
7760
7761         * gimple.h (gimple_phi_arg): Make assert more strict.
7762
7763 2017-07-19  Steven Munroe  <munroesj@gcc.gnu.org>
7764
7765         * config.gcc (powerpc*-*-*): Add mmintrin.h.
7766         * config/rs6000/mmintrin.h: New file.
7767         * config/rs6000/x86intrin.h [__ALTIVEC__]: Include mmintrin.h.
7768
7769 2017-07-19  Jakub Jelinek  <jakub@redhat.com>
7770
7771         PR tree-optimization/81346
7772         * match.pd: Optimize (X - 1U) <= INT_MAX-1U into (int) X > 0.
7773
7774 2017-07-19  Tom de Vries  <tom@codesourcery.com>
7775
7776         * config/nvptx/nvptx.md (VECIM): Add V2DI.
7777
7778 2017-07-19  Tom de Vries  <tom@codesourcery.com>
7779
7780         * config/nvptx/nvptx-modes.def: Add V2DImode.
7781         * config/nvptx/nvptx-protos.h (nvptx_data_alignment): Declare.
7782         * config/nvptx/nvptx.c (nvptx_ptx_type_from_mode): Handle V2DImode.
7783         (nvptx_output_mov_insn): Handle lack of mov.b128.
7784         (nvptx_print_operand): Handle 'H' and 'L' codes.
7785         (nvptx_vector_mode_supported): Allow V2DImode.
7786         (nvptx_preferred_simd_mode): New function.
7787         (nvptx_data_alignment): New function.
7788         (TARGET_VECTORIZE_PREFERRED_SIMD_MODE): Redefine to
7789         nvptx_preferred_simd_mode.
7790         * config/nvptx/nvptx.h (STACK_BOUNDARY, BIGGEST_ALIGNMENT): Change from
7791         64 to 128 bits.
7792         (DATA_ALIGNMENT): Define.  Set to nvptx_data_alignment.
7793
7794 2017-07-19  Tom de Vries  <tom@codesourcery.com>
7795
7796         * config/nvptx/nvptx-modes.def: New file.  Add V2SImode.
7797         * config/nvptx/nvptx.c (nvptx_ptx_type_from_mode): Handle V2SImode.
7798         (nvptx_vector_mode_supported): New function.  Allow V2SImode.
7799         (TARGET_VECTOR_MODE_SUPPORTED_P): Redefine to nvptx_vector_mode_supported.
7800         * config/nvptx/nvptx.md (VECIM): New mode iterator. Add V2SI.
7801         (mov<VECIM>_insn): New define_insn.
7802         (define_expand "mov<VECIM>): New define_expand.
7803
7804 2017-07-19  Tom de Vries  <tom@codesourcery.com>
7805
7806         * config/nvptx/nvptx.c (nvptx_print_operand): Handle v2 vector mode.
7807
7808 2017-07-19  Jakub Jelinek  <jakub@redhat.com>
7809
7810         PR tree-optimization/81346
7811         * fold-const.h (fold_div_compare, range_check_type): Declare.
7812         * fold-const.c (range_check_type): New function.
7813         (build_range_check): Use range_check_type.
7814         (fold_div_compare): No longer static, rewritten into
7815         a match.pd helper function.
7816         (fold_comparison): Don't call fold_div_compare here.
7817         * match.pd (X / C1 op C2): New optimization using fold_div_compare
7818         as helper function.
7819
7820 2017-07-19  Nathan Sidwell  <nathan@acm.org>
7821
7822         * tree.h (TYPE_MINVAL, TYPE_MAXVAL): Rename to ...
7823         (TYPE_MIN_VALUE_RAW, TYPE_MAX_VALUE_RAW): ... these.
7824         * tree.c (find_decls_types_r, verify_type): Use
7825         TYPE_{MIN,MAX}_VALUE_RAW.
7826         * lto-streamer-out.c (DFS::DFS_write_tree_body): Likewise.
7827         (hash_tree): Likewise.
7828         * tree-streamer-in.c (lto_input_ts_type_non_common_tree_pointers):
7829         Likewise.
7830         * tree-streamer-out.c (write_ts_type_non_common_tree_pointers):
7831         Likewise.
7832
7833 2017-07-18  Tom de Vries  <tom@codesourcery.com>
7834
7835         PR middle-end/81464
7836         * omp-expand.c (expand_omp_for_static_chunk): Handle
7837         equal-argument loop exit phi.
7838
7839 2017-07-18  Uros Bizjak  <ubizjak@gmail.com>
7840
7841         PR target/81471
7842         * config/i386/i386.md (rorx_immediate_operand): New mode attribute.
7843         (*bmi2_rorx<mode>3_1): Use rorx_immediate_operand as
7844         operand 2 predicate.
7845         (*bmi2_rorxsi3_1_zext): Use const_0_to_31_operand as
7846         operand 2 predicate.
7847         (ror,rol -> rorx splitters): Use const_int_operand as
7848         operand 2 predicate.
7849
7850 2017-06-18  Richard Biener  <rguenther@suse.de>
7851
7852         PR tree-optimization/81410
7853         * tree-vect-stmts.c (vectorizable_load): Properly adjust for
7854         the gap in the ! slp_perm SLP case after each group.
7855
7856 2017-07-18  Jan Hubicka  <hubicka@ucw.cz>
7857
7858         PR middle-end/81463
7859         * cfgloopmanip.c (scale_loop_profile): Watch out for zero frequency
7860         again.
7861
7862 2017-07-18  Jan Hubicka  <hubicka@ucw.cz>
7863
7864         PR middle-end/81462
7865         * predict.c (set_even_probabilities): Cleanup; do not affect
7866         probabilities that are already known.
7867         (combine_predictions_for_bb): Call even when count is set.
7868
7869 2017-07-18  Nathan Sidwell  <nathan@acm.org>
7870
7871         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Use
7872         TYPE_MAX_VALUE.
7873
7874 2017-07-18  Bin Cheng  <bin.cheng@arm.com>
7875
7876         PR target/81408
7877         * tree-ssa-loop-niter.c (number_of_iterations_exit): Dump missed
7878         optimization for loop niter analysis.
7879
7880 2017-07-18  Georg-Johann Lay  <avr@gjlay.de>
7881
7882         PR target/81473
7883         * config/avr/avr.c (avr_optimize_casesi): Don't use
7884         INT8_MIN, INT8_MAX, UINT8_MAX, INT16_MIN, INT16_MAX, UINT16_MAX.
7885
7886 2017-07-18  Robin Dapp  <rdapp@linux.vnet.ibm.com>
7887
7888         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Remove
7889         body_cost_vec from _vect_peel_extended_info.
7890         (vect_peeling_hash_get_lowest_cost): Do not set body_cost_vec.
7891         (vect_peeling_hash_choose_best_peeling): Remove body_cost_vec and
7892         npeel.
7893
7894 2017-07-18  Bin Cheng  <bin.cheng@arm.com>
7895
7896         * config/arm/arm.c (emit_unlikely_jump): Remove unused var.
7897
7898 2017-07-18  Richard Biener  <rguenther@suse.de>
7899
7900         PR tree-optimization/80620
7901         PR tree-optimization/81403
7902         * tree-ssa-pre.c (phi_translate_1): Clear range and points-to
7903         info when re-using a VN table entry.
7904
7905 2017-07-18  Richard Biener  <rguenther@suse.de>
7906
7907         PR tree-optimization/81418
7908         * tree-vect-loop.c (vectorizable_reduction): Properly compute
7909         vectype_in.  Verify that with lane-reducing reduction operations
7910         we have a single def-use cycle.
7911
7912 2017-07-17  Carl Love  <cel@us.ibm.com>
7913
7914         Revert commit r249424   2017-06-20  Carl Love  <cel@us.ibm.com>
7915
7916         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
7917         ALTIVEC_BUILTIN_VMULESW, ALTIVEC_BUILTIN_VMULEUW,
7918         ALTIVEC_BUILTIN_VMULOSW, ALTIVEC_BUILTIN_VMULOUW entries.
7919         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin,
7920         builtin_function_type): Add ALTIVEC_BUILTIN_* case statements.
7921         * config/rs6000/altivec.md (MVULEUW, VMULESW, VMULOUW,
7922         VMULOSW): New enum "unspec" values.
7923         (vec_widen_umult_even_v4si, vec_widen_smult_even_v4si,
7924         vec_widen_umult_odd_v4si, vec_widen_smult_odd_v4si,
7925         altivec_vmuleuw, altivec_vmulesw, altivec_vmulouw,
7926         altivec_vmulosw): New patterns.
7927         * config/rs6000/rs6000-builtin.def (VMLEUW, VMULESW, VMULOUW,
7928         VMULOSW): Add definitions.
7929 2017-07-17  Uros Bizjak  <ubizjak@gmail.com>
7930
7931         * config/alpha/alpha.c: Include predict.h.
7932
7933 2017-07-17  Yury Gribov  <tetra2005@gmail.com>
7934
7935         * tree-vrp.c (compare_assert_loc): Fix comparison function
7936         to return predictable results.
7937
7938 2017-07-17  Claudiu Zissulescu  <claziss@synopsys.com>
7939
7940         * config/arc/arc.md (adddi3): Remove support for mexpand-adddi
7941         option.
7942         (subdi3): Likewise.
7943         * config/arc/arc.opt (mexpand-adddi): Deprecate it.
7944         * doc/invoke.texi (mexpand-adddi): Update text.
7945
7946 2017-07-17  Claudiu Zissulescu  <claziss@synopsys.com>
7947
7948         * config/arc/arc.md (clzsi2): Expand to an arc_clzsi2 instruction
7949         that also clobbers the CC register. The old expand code is moved
7950         to ...
7951         (*arc_clzsi2): ... here.
7952         (ctzsi2): Expand to an arc_ctzsi2 instruction that also clobbers
7953         the CC register. The old expand code is moved to ...
7954         (arc_ctzsi2): ... here.
7955
7956 2017-07-17  Claudiu Zissulescu  <claziss@synopsys.com>
7957
7958         * config/arc/arc.opt (mindexed-loads): Use initial value
7959         TARGET_INDEXED_LOADS_DEFAULT.
7960         (mauto-modify-reg): Use initial value
7961         TARGET_AUTO_MODIFY_REG_DEFAULT.
7962         * config/arc/elf.h (TARGET_INDEXED_LOADS_DEFAULT): Define.
7963         (TARGET_AUTO_MODIFY_REG_DEFAULT): Likewise.
7964         * config/arc/linux.h (TARGET_INDEXED_LOADS_DEFAULT): Define.
7965         (TARGET_AUTO_MODIFY_REG_DEFAULT): Likewise.
7966
7967 2017-07-17  Martin Liska  <mliska@suse.cz>
7968
7969         PR sanitizer/81302
7970         * opts.c (finish_options): Do not allow -fgnu-tm
7971         w/ -fsanitize={kernel-,}address.  Say sorry.
7972
7973 2017-07-17  Bin Cheng  <bin.cheng@arm.com>
7974
7975         PR target/81369
7976         * tree-loop-distribution.c (classify_partition): Only assert on
7977         numer of iterations.
7978         (merge_dep_scc_partitions): Delete prameter.  Update function call.
7979         (distribute_loop): Remove code handling loop with unknown niters.
7980         (pass_loop_distribution::execute): Skip loop with unknown niters.
7981
7982 2017-07-17  Bin Cheng  <bin.cheng@arm.com>
7983
7984         PR target/81369
7985         * tree-loop-distribution.c (merge_dep_scc_partitions): Sink call to
7986         function sort_partitions_by_post_order.
7987
7988 2017-07-17  Bin Cheng  <bin.cheng@arm.com>
7989
7990         PR tree-optimization/81374
7991         * tree-loop-distribution.c (pass_loop_distribution::execute): Record
7992         the max index of basic blocks, rather than number of basic blocks.
7993
7994 2017-07-17  Claudiu Zissulescu  <claziss@synopsys.com>
7995
7996         * config/arc/arc-protos.h (arc_legitimate_pc_offset_p): Remove
7997         proto.
7998         (arc_legitimate_pic_operand_p): Likewise.
7999         * config/arc/arc.c (arc_legitimate_pic_operand_p): Remove
8000         function.
8001         (arc_needs_pcl_p): Likewise.
8002         (arc_legitimate_pc_offset_p): Likewise.
8003         (arc_legitimate_pic_addr_p): Remove LABEL_REF case, as this
8004         function is also used in constrains.md.
8005         (arc_legitimate_constant_p): Use arc_legitimate_pic_addr_p to
8006         validate pic constants. Handle CONST_INT, CONST_DOUBLE, MINUS and
8007         PLUS.  Only return true/false in known cases, otherwise assert.
8008         (arc_legitimate_address_p): Remove arc_legitimate_pic_addr_p as it
8009         is already called in arc_legitimate_constant_p.
8010         * config/arc/arc.h (CONSTANT_ADDRESS_P): Consider also LABEL for
8011         pic addresses.
8012         (LEGITIMATE_PIC_OPERAND_P): Use
8013         arc_raw_symbolic_reference_mentioned_p function.
8014         * config/arc/constraints.md (Cpc): Use arc_legitimate_pic_addr_p
8015         function.
8016         (Cal): Likewise.
8017         (C32): Likewise.
8018
8019 2017-07-17  Claudiu Zissulescu  <claziss@synopsys.com>
8020         Andrew Burgess  <andrew.burgess@embecosm.com>
8021
8022         * config/arc/arc-protos.h (arc_compute_function_type): Change prototype.
8023         (arc_return_address_register): New function.
8024         * config/arc/arc.c (arc_handle_fndecl_attribute): New function.
8025         (arc_handle_fndecl_attribute): Add naked attribute.
8026         (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Define.
8027         (TARGET_WARN_FUNC_RETURN): Likewise.
8028         (arc_allocate_stack_slots_for_args): New function.
8029         (arc_warn_func_return): Likewise.
8030         (machine_function): Change type fn_type.
8031         (arc_compute_function_type): Consider new naked function type,
8032         change function return type.
8033         (arc_must_save_register): Adapt to handle new
8034         arc_compute_function_type's return type.
8035         (arc_expand_prologue): Likewise.
8036         (arc_expand_epilogue): Likewise.
8037         (arc_return_address_regs): Delete.
8038         (arc_return_address_register): New function.
8039         (arc_epilogue_uses): Use above function.
8040         * config/arc/arc.h (arc_return_address_regs): Delete prototype.
8041         (arc_function_type): Change encoding, add naked type.
8042         (ARC_INTERRUPT_P): Change to handle the new encoding.
8043         (ARC_FAST_INTERRUPT_P): Likewise.
8044         (ARC_NORMAL_P): Define.
8045         (ARC_NAKED_P): Likewise.
8046         (arc_compute_function_type): Delete prototype.
8047         * config/arc/arc.md (in_ret_delay_slot): Use
8048         arc_return_address_register function.
8049         (simple_return): Likewise.
8050         (p_return_i): Likewise.
8051
8052 2017-07-17  Jakub Jelinek  <jakub@redhat.com>
8053
8054         PR tree-optimization/81428
8055         * match.pd (X / X -> one): Don't optimize _Fract divisions, as 1
8056         can't be built for those types.
8057
8058 2017-07-17  Georg-Johann Lay  <avr@gjlay.de>
8059
8060         Remove stuff dead since r239246.
8061
8062         * config/avr/avr-arch.h (avr_inform_devices): Remove dead proto.
8063         * config/avr/avr-devices.c (mcu_name, comparator, avr_mcus_str)
8064         (avr_inform_devices): Remove dead stuff.
8065
8066 2017-07-17  Tamar Christina  <tamar.christina@arm.com>
8067
8068         * config/arm/arm_neon.h: Fix softp typo.
8069
8070 2017-07-17  Jakub Jelinek  <jakub@redhat.com>
8071
8072         PR tree-optimization/81365
8073         * tree-ssa-phiprop.c (propagate_with_phi): When considering hoisting
8074         aggregate moves onto bb predecessor edges, make sure there are no
8075         loads that could alias the lhs in between the start of bb and the
8076         loads from *phi.
8077
8078 2017-07-17  Georg-Johann Lay  <avr@gjlay.de>
8079
8080         PR 80929
8081         * config/avr/avr.c (avr_mul_highpart_cost): New static function.
8082         (avr_rtx_costs_1) [TRUNCATE]: Use it to compute mul_highpart cost.
8083         [LSHIFTRT, outer_code = TRUNCATE]: Same.
8084
8085 2017-07-17  Jakub Jelinek  <jakub@redhat.com>
8086
8087         PR tree-optimization/81396
8088         * tree-ssa-math-opts.c (struct symbolic_number): Add n_ops field.
8089         (init_symbolic_number): Initialize it to 1.
8090         (perform_symbolic_merge): Add n_ops from both operands into the new
8091         n_ops.
8092         (find_bswap_or_nop): Don't consider n->n == cmpnop computations
8093         without base_addr as useless if they need more than one operation.
8094         (bswap_replace): Handle !bswap case for NULL base_addr.
8095
8096 2017-07-17  Tom de Vries  <tom@codesourcery.com>
8097
8098         PR target/81069
8099         * config/nvptx/nvptx.c (nvptx_single): Insert diverging branch as late
8100         as possible.
8101
8102 2017-07-17  Sebastian Huber  <sebastian.huber@embedded-brains.de>
8103
8104         * config/sparc/rtemself.h (TARGET_OS_CPP_BUILTINS): Add
8105         conditional builtin define __FIX_LEON3FT_B2BST.
8106
8107 2017-07-17  Daniel Cederman  <cederman@gaisler.com>
8108
8109         * config/sparc/t-rtems: Add mfix-gr712rc multilibs. Replace
8110         MULTILIB_EXCEPTIONS with MULTILIB_REQUIRED. Match -mfix-gr712rc
8111         with -mfix-ut700.
8112
8113 2017-07-16  Eric Botcazou  <ebotcazou@adacore.com>
8114
8115         PR rtl-optimization/81424
8116         * optabs.c (prepare_cmp_insn): Use copy_to_reg instead of force_reg
8117         to remove potential trapping from operands if -fnon-call-exceptions.
8118
8119 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
8120
8121         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Use
8122         profile_proability for scalling.
8123         * scale_profile_for_vect_loop.c (scale_profile_for_vect_loop): Likewise.
8124
8125 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
8126
8127         * cgraph.c (cgraph_edge::redirect_call_stmt_to_caller): Cleanup.
8128
8129 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
8130
8131         * cfgloopmanip.c (scale_loop_profile): Avoid use of REG_BR_PROB_BASE
8132         fixpoint arithmetics.
8133
8134 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
8135
8136         * tree-ssa-loop-unswitch.c (hoist_guard): Avoid use of REG_BR_PROB_BASE
8137         fixpoint arithmetics.
8138
8139 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
8140
8141         * asan.c (create_cond_insert_point): Avoid use of REG_BR_PROB_BASE
8142         fixpoint arithmetics.
8143
8144 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
8145
8146         * profile-count.h (profile_probability::from_reg_br_prob_note,
8147         profile_probability::to_reg_br_prob_note): New functions.
8148         * doc/rtl.texi (REG_BR_PROB_NOTE): Update documentation.
8149         * reg-notes.h (REG_BR_PROB, REG_BR_PRED): Update docs.
8150         * predict.c (probability_reliable_p): Update.
8151         (edge_probability_reliable_p): Update.
8152         (br_prob_note_reliable_p): Update.
8153         (invert_br_probabilities): Update.
8154         (add_reg_br_prob_note): New function.
8155         (combine_predictions_for_insn): Update.
8156         * asan.c (asan_clear_shadow): Update.
8157         * cfgbuild.c (compute_outgoing_frequencies): Update.
8158         * cfgrtl.c (force_nonfallthru_and_redirect): Update.
8159         (update_br_prob_note): Update.
8160         (rtl_verify_edges): Update.
8161         (purge_dead_edges): Update.
8162         (fixup_reorder_chain): Update.
8163         * emit-rtl.c (try_split): Update.
8164         * ifcvt.c (cond_exec_process_insns): Update.
8165         (cond_exec_process_if_block): Update.
8166         (dead_or_predicable): Update.
8167         * internal-fn.c (expand_addsub_overflow): Update.
8168         (expand_neg_overflow): Update.
8169         (expand_mul_overflow): Update.
8170         * loop-doloop.c (doloop_modify): Update.
8171         * loop-unroll.c (compare_and_jump_seq): Update.
8172         * optabs.c (emit_cmp_and_jump_insn_1): Update.
8173         * predict.h: Update.
8174         * reorg.c (mostly_true_jump): Update.
8175         * rtl.h: Update.
8176         * config/aarch64/aarch64.c (aarch64_emit_unlikely_jump): Update.
8177         * config/alpha/alpha.c (emit_unlikely_jump): Update.
8178         * config/arc/arc.c: (emit_unlikely_jump): Update.
8179         * config/arm/arm.c: (emit_unlikely_jump): Update.
8180         * config/bfin/bfin.c (cbranch_predicted_taken_p): Update.
8181         * config/frv/frv.c (frv_print_operand_jump_hint): Update.
8182         * config/i386/i386.c (ix86_expand_split_stack_prologue): Update.
8183         (ix86_print_operand): Update.
8184         (ix86_split_fp_branch): Update.
8185         (predict_jump): Update.
8186         * config/ia64/ia64.c (ia64_print_operand): Update.
8187         * config/mmix/mmix.c (mmix_print_operand): Update.
8188         * config/powerpcspe/powerpcspe.c (output_cbranch): Update.
8189         (rs6000_expand_split_stack_prologue): Update.
8190         * config/rs6000/rs6000.c: Update.
8191         * config/s390/s390.c (s390_expand_vec_strlen): Update.
8192         (s390_expand_vec_movstr): Update.
8193         (s390_expand_cs_tdsi): Update.
8194         (s390_expand_split_stack_prologue): Update.
8195         * config/sh/sh.c (sh_print_operand): Update.
8196         (expand_cbranchsi4): Update.
8197         (expand_cbranchdi4): Update.
8198         * config/sparc/sparc.c (output_v9branch): Update.
8199         * config/spu/spu.c (get_branch_target): Update.
8200         (ea_load_store_inline): Update.
8201         * config/tilegx/tilegx.c (cbranch_predicted_p): Update.
8202         * config/tilepro/tilepro.c: Update.
8203
8204 2017-07-16  Eric Botcazou  <ebotcazou@adacore.com>
8205
8206         * gimplify.c (mostly_copy_tree_r): Revert latest change.
8207         (gimplify_save_expr): Likewise.
8208
8209 2017-07-07  Jan Hubicka  <hubicka@ucw.cz>
8210
8211         * ipa-visibility.c (function_and_variable_visibility): Fix pasto.
8212
8213 2017-07-07  Jan Hubicka  <hubicka@ucw.cz>
8214
8215         * ipa-fnsummary.c (pass_data_ipa_fn_summary): Use
8216         TV_IPA_FNSUMMARY.
8217         * timevar.def (TV_IPA_FNSUMMARY): Define.
8218
8219 2017-07-16  Daniel Cederman  <cederman@gaisler.com>
8220
8221         * config/sparc/sparc.md (divdf3_fix): Add NOP to prevent back
8222         to back store errata sensitive sequence from being generated.
8223         (sqrtdf2_fix): Likewise.
8224
8225 2017-07-07  Jan Hubicka  <hubicka@ucw.cz>
8226
8227         * tree-ssa-threadupdate.c (compute_path_counts,
8228         update_joiner_offpath_counts): Use profile_probability.
8229
8230 2017-07-15  Thomas Preud'homme  <thomas.preudhomme@arm.com>
8231
8232         Revert:
8233         2017-07-14  Thomas Preud'homme  <thomas.preudhomme@arm.com>
8234
8235         * config/arm/arm-c.c (arm_cpu_builtins): Define
8236         __ARM_FEATURE_NUMERIC_MAXMIN solely based on TARGET_VFP5.
8237
8238 2017-07-14  Kelvin Nilsen  <kelvin@gcc.gnu.org>
8239
8240         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
8241         array entries to represent __ieee128 versions of the
8242         scalar_test_data_class, scalar_test_neg, scalar_extract_exp,
8243         scalar_extract_sig, and scalar_insert_exp built-in functions.
8244         (altivec_resolve_overloaded_builtin): Add special case handling
8245         for the __builtin_scalar_insert_exp function, as represented by
8246         the P9V_BUILTIN_VEC_VSIEDP constant.
8247         * config/rs6000/rs6000-builtin.def (VSEEQP): Add scalar extract
8248         exponent support for __ieee128 argument.
8249         (VSESQP): Add scalar extract signature support for __ieee128
8250         argument.
8251         (VSTDCNQP): Add scalar test negative support for __ieee128
8252         argument.
8253         (VSIEQP): Add scalar insert exponent support for __int128 argument
8254         with __ieee128 result.
8255         (VSIEQPF): Add scalar insert exponent support for __ieee128
8256         argument with __ieee128 result.
8257         (VSTDCQP): Add scalar test data class support for __ieee128
8258         argument.
8259         (VSTDCNQP): Add overload support for scalar test negative with
8260         __ieee128 argument.
8261         (VSTDCQP): Add overload support for scalar test data class
8262         __ieee128 argument.
8263         * config/rs6000/vsx.md (UNSPEC_VSX_SXSIG) Replace
8264         UNSPEC_VSX_SXSIGDP.
8265         (UNSPEC_VSX_SIEXPQP): New constant.
8266         (xsxexpqp): New insn for VSX scalar extract exponent quad
8267         precision.
8268         (xsxsigqp): New insn for VSX scalar extract significand quad
8269         precision.
8270         (xsiexpqpf): New insn for VSX scalar insert exponent quad
8271         precision with floating point argument.
8272         (xststdcqp): New expand for VSX scalar test data class quad
8273         precision.
8274         (xststdcnegqp): New expand for VSX scalar test negative quad
8275         precision.
8276         (xststdcqp): New insn to match expansions for VSX scalar test data
8277         class quad precision and VSX scalar test negative quad precision.
8278         * config/rs6000/rs6000.c (rs6000_expand_binop_builtin): Add
8279         special case operand checking to enforce that second operand of
8280         VSX scalar test data class with quad precision argument is a 7-bit
8281         unsigned literal.
8282         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Add
8283         prototypes and descriptions of __ieee128 versions of
8284         scalar_extract_exp, scalar_extract_sig, scalar_insert_exp,
8285         scalar_test_data_class, and scalar_test_neg built-in functions.
8286
8287 2016-07-14  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8288
8289         PR tree-optimization/81162
8290         * gimple-ssa-strength-reduction.c (replace_mult_candidate): Don't
8291         replace a negate with an add.
8292
8293 2017-07-14  James Greenhalgh  <james.greenhalgh@arm.com>
8294
8295         * doc/invoke.texi (arm/-mcpu): Document +crypto.
8296
8297 2017-07-14  Thomas Preud'homme  <thomas.preudhomme@arm.com>
8298
8299         * config/arm/arm-c.c (arm_cpu_builtins): Define
8300         __ARM_FEATURE_NUMERIC_MAXMIN solely based on TARGET_VFP5.
8301
8302 2017-07-14  Thomas Preud'homme  <thomas.preudhomme@arm.com>
8303
8304         * config/arm/arm-cpus.in (cortex-r52): Add new entry.
8305         (armv8-r): Set ARM Cortex-R52 as default CPU.
8306         * config/arm/arm-tables.opt: Regenerate.
8307         * config/arm/arm-tune.md: Regenerate.
8308         * config/arm/driver-arm.c (arm_cpu_table): Add entry for ARM
8309         Cortex-R52.
8310         * doc/invoke.texi: Mention -mtune=cortex-r52 and availability of fp.dp
8311         extension for -mcpu=cortex-r52.
8312
8313 2017-07-14  Thomas Preud'homme  <thomas.preudhomme@arm.com>
8314
8315         * config/arm/arm-isa.h (isa_bit_FP_ARMv8): Delete enumerator.
8316         (ISA_FP_ARMv8): Define as ISA_FPv5 and ISA_FP_D32.
8317         * config/arm/arm-cpus.in (armv8-r): Define fp.sp as enabling FPv5.
8318         (fp-armv8): Define it as FP_ARMv8 only.
8319         config/arm/arm.h (TARGET_FPU_ARMV8): Delete.
8320         (TARGET_VFP_FP16INST): Define using TARGET_VFP5 rather than
8321         TARGET_FPU_ARMV8.
8322         config/arm/arm.c (arm_rtx_costs_internal): Replace checks against
8323         TARGET_FPU_ARMV8 by checks against TARGET_VFP5.
8324         * config/arm/arm-builtins.c (arm_builtin_vectorized_function): Define
8325         first ARM_CHECK_BUILTIN_MODE definition using TARGET_VFP5 rather
8326         than TARGET_FPU_ARMV8.
8327         * config/arm/arm-c.c (arm_cpu_builtins): Likewise for
8328         __ARM_FEATURE_NUMERIC_MAXMIN macro definition.
8329         * config/arm/arm.md (cmov<mode>): Condition on TARGET_VFP5 rather than
8330         TARGET_FPU_ARMV8.
8331         * config/arm/neon.md (neon_vrint): Likewise.
8332         (neon_vcvt): Likewise.
8333         (neon_<fmaxmin_op><mode>): Likewise.
8334         (<fmaxmin><mode>3): Likewise.
8335         * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Likewise.
8336         * config/arm/predicates.md (arm_cond_move_operator): Check against
8337         TARGET_VFP5 rather than TARGET_FPU_ARMV8 and fix spacing.
8338
8339 2017-07-14  Jackson Woodruff  <jackson.woodruff@arm.com>
8340
8341         * config/aarch64/aarch64.c (aarch64_print_operand): Move comments
8342         to top of function.
8343
8344 2017-07-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8345
8346         * gimple-ssa-store-merging.c (clear_bit_region): Replace reference to
8347         loop in comment with memset.
8348
8349 2017-07-14  Martin Liska  <mliska@suse.cz>
8350
8351         * cfgexpand.c (expand_gimple_basic_block): Remove dead comment.
8352         * dwarf2out.c (is_java): Remove the function.
8353         (output_pubname): Remove usage of the function.
8354         (lower_bound_default): Remove usage of DW_LANG_Java.
8355         (gen_compile_unit_die): Likewise.
8356         * gcc.c: Remove compiler defaults for .java and .zip files.
8357         * gimple-expr.c (remove_suffix): Change as there's no longer
8358         extension than 4-letter one.
8359         * gimplify.c (mostly_copy_tree_r): Remove Java-special part.
8360         (gimplify_save_expr): Likewise.
8361         * ipa-utils.h (polymorphic_type_binfo_p): Remove the comment
8362         as it's possible even for other languages than Java.
8363         * langhooks.h (struct lang_hooks): Remove Java from a comment.
8364         * lto-opts.c (lto_write_options): Remove reference to Java.
8365         * opts.c (strip_off_ending): Update file extension handling.
8366         * tree-cfg.c (verify_gimple_call): Remove comment with Java.
8367         * tree-eh.c (lower_resx): Likewise.
8368         * tree.c (free_lang_data_in_type): Remove dead code.
8369         (find_decls_types_r): Likewise.
8370         (build_common_builtin_nodes): Remove Java from a comment.
8371         (verify_type): Remove dead code.
8372         * varasm.c (assemble_external): Remove Java from a comment.
8373
8374 2017-07-14  Martin Liska  <mliska@suse.cz>
8375
8376         * opts.c (finish_options): Add quotes.
8377         (common_handle_option): Likewise.
8378
8379 2017-07-14  Martin Liska  <mliska@suse.cz>
8380
8381         * dbxout.c (get_lang_number): Do not handle GNU Pascal.
8382         * dbxout.h (extern void dbxout_stab_value_internal_label_diff):
8383         Remove N_SO_PASCAL.
8384         * dwarf2out.c (lower_bound_default): Do not handle
8385         DW_LANG_Pascal83.
8386         (gen_compile_unit_die): Likewise.
8387         * gcc.c: Remove default extension binding for GNU Pascal.
8388         * stmt.c: Remove Pascal language from a comment.
8389         * xcoffout.c: Likewise.
8390
8391 2017-07-13  David Malcolm  <dmalcolm@redhat.com>
8392
8393         PR c/81405
8394         * diagnostic-show-locus.c (fixit_cmp): New function.
8395         (layout::layout): Sort m_fixit_hints.
8396         (column_range::column_range): Assert that the values are valid.
8397         (struct char_span): New struct.
8398         (correction::overwrite): New method.
8399         (struct source_line): New struct.
8400         (line_corrections::add_hint): Add assertions.  Reimplement memcpy
8401         calls in terms of classes source_line and char_span, and
8402         correction::overwrite.
8403         (selftest::test_overlapped_fixit_printing_2): New function.
8404         (selftest::diagnostic_show_locus_c_tests): Call it.
8405
8406 2017-07-13  Will Schmidt  <will_schmidt@vnet.ibm.com>
8407
8408         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Return
8409         early if there is no lhs.
8410
8411 2017-07-13  Martin Liska  <mliska@suse.cz>
8412
8413         * dwarf2out.c (gen_pointer_type_die): Remove dead code.
8414         (gen_reference_type_die): Likewise.
8415         * stor-layout.c: Remove Pascal-related comment.
8416
8417 2017-07-13  Martin Liska  <mliska@suse.cz>
8418
8419         * opts.c (finish_options): Add quotes to error messages.
8420         (parse_sanitizer_options): Likewise.
8421
8422 2017-07-13  Thomas Preud'homme  <thomas.preudhomme@arm.com>
8423
8424         * doc/invoke.texi (armv8-r): Document +fp.sp ARMv8-R extension.
8425
8426 2017-07-13  Richard Earnshaw  <rearnsha@arm.com>
8427
8428         * config/arm/vxworks.h (TARGET_ENDIAN_DEFAULT): Define.
8429
8430 2017-07-13  Maxim Ostapenko  <m.ostapenko@samsung.com>
8431
8432         * asan.c (asan_emit_allocas_unpoison): Use ptr_mode for arguments
8433         during expansion.
8434         * builtins.c (expand_asan_emit_allocas_unpoison): Likewise.
8435
8436 2017-07-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
8437
8438         PR target/81193
8439         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): If GLIBC
8440         provides the hardware capability bits, define the macro
8441         __BUILTIN_CPU_SUPPORTS__.
8442         * config/rs6000/rs6000.c (cpu_expand_builtin): Generate a warning
8443         if GLIBC does not provide the hardware capability bits.  Add a
8444         gcc_unreachable call if the built-in cpu function is neither
8445         __builtin_cpu_is nor __builtin_cpu_supports.
8446         (rs6000_get_function_versions_dispatcher): Change the warning
8447         that an old GLIBC is used which does not export the capability
8448         bits to be an error.
8449         * doc/extend.texi (target_clones attribute): Document the
8450         restriction that GLIBC 2.23 or newer is needed on the PowerPC.
8451         (PowerPC built-in functions): Document that GLIBC 2.23 or newer is
8452         needed by __builtin_cpu_is and __builtin_cpu_supports.  Document
8453         the macros defined by GCC if the newer GLIBC is available.
8454
8455 2017-07-12  Jeff Law  <law@redhat.com>
8456
8457         * config/riscv/riscv.c: Remove unnecessary includes.  Reorder
8458         remaining includes slightly.
8459         * config/riscv/riscv-builtins.c: Include profile-count.h.
8460
8461 2017-07-12  Georg-Johann Lay  <avr@gjlay.de>
8462
8463         PR target/79883
8464         * config/avr/avr.c (avr_set_current_function): In diagnostic
8465         messages: Quote keywords and (parts of) identifiers.
8466         [WITH_AVRLIBC]: Warn for functions named "ISR", "SIGNAL" or
8467         "INTERUPT".
8468
8469 2017-07-12  Carl Love  <cel@us.ibm.com>
8470
8471         * config/rs6000/rs6000-c.c: Add support for built-in functions
8472         vector bool char vec_revb (vector bool char);
8473         vector bool short vec_revb (vector short char);
8474         vector bool int vec_revb (vector bool int);
8475         vector bool long long vec_revb (vector bool long long);
8476         * doc/extend.texi: Update the built-in documentation file for the
8477         new built-in functions.
8478
8479 2017-07-12  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8480
8481         * config/s390/s390.md: Remove movcc splitter.
8482
8483 2017-07-12  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8484
8485         * config/s390/s390.c (s390_rtx_costs): Return proper costs for
8486         load/store on condition.
8487
8488 2017-07-12  Georg-Johann Lay  <avr@gjlay.de>
8489
8490         PR target/81407
8491         * config/avr/avr.c (avr_encode_section_info)
8492         [progmem && !TREE_READONLY]: Error if progmem object needs
8493         constructing.
8494
8495 2017-07-11  Michael Collison  <michael.collison@arm.com>
8496
8497         * config/aarch64/aarch64-simd.md (aarch64_sub<mode>_compare0):
8498         New pattern.
8499
8500 2017-07-11  Carl Love  <cel@us.ibm.com>
8501
8502         * config/rs6000/rs6000-c.c: Add support for builtins
8503         vector unsigned int vec_parity_lsbb (vector signed int);
8504         vector unsigned int vec_parity_lsbb (vector unsigned int);
8505         vector unsigned __int128 vec_parity_lsbb (vector signed __int128);
8506         vector unsigned __int128 vec_parity_lsbb (vector unsigned __int128);
8507         vector unsigned long long vec_parity_lsbb (vector signed long long);
8508         vector unsigned long long vec_parity_lsbb (vector unsigned long long);
8509         * config/rs6000/rs6000-builtin.def (VPARITY_LSBB): Add BU_P9V_OVERLOAD1.
8510         * config/rs6000/altivec.h (vec_parity_lsbb): Add define.
8511         * doc/extend.texi: Update the built-in documentation file for the
8512         new built-in functions.
8513
8514 2017-07-11  David Malcolm  <dmalcolm@redhat.com>
8515
8516         * diagnostic-show-locus.c: Include "gcc-rich-location.h".
8517         (layout::m_primary_loc): New field.
8518         (layout::layout): Initialize new field.  Move location filtering
8519         logic from here to...
8520         (layout::maybe_add_location_range): ...this new method.  Add
8521         support for filtering to just the lines already specified by other
8522         locations.
8523         (layout::will_show_line_p): New method.
8524         (gcc_rich_location::add_location_if_nearby): New method.
8525         (selftest::test_add_location_if_nearby): New test function.
8526         (selftest::diagnostic_show_locus_c_tests): Call it.
8527         * gcc-rich-location.h (gcc_rich_location::add_location_if_nearby):
8528         New method.
8529
8530 2017-07-11  Tom de Vries  <tom@codesourcery.com>
8531
8532         * config/nvptx/nvptx.c (WORKAROUND_PTXJIT_BUG): New macro.
8533         (bb_first_real_insn): New function.
8534         (nvptx_single): Add extra initialization of broadcasted condition
8535         variables.
8536
8537 2017-07-11  Nathan Sidwell  <nathan@acm.org>
8538
8539         * dwarf2out.c (gen_member_die): Remove useless check for anon ctors.
8540
8541 2017-07-11  Georg-Johann Lay  <avr@gjlay.de>
8542
8543         * doc/extend.texi (AVR Function Attributes): Remove weblink to
8544         Binutils doc as TEXI will mess them up.
8545         * doc/invoke.texi (AVR Options): Same here.
8546
8547 2017-07-11  Daniel Cederman  <cederman@gaisler.com>
8548
8549         * config/sparc/sparc.opt (mfix-ut700): New option.
8550         (mfix-gr712rc): Likewise.
8551         (sparc_fix_b2bst): New variable.
8552         * doc/invoke.texi (SPARC options): Document them.
8553         (ARM options): Fix warnings.
8554         * config/sparc/sparc.c (sparc_do_work_around_errata): Insert NOP
8555         instructions to prevent sequences that can trigger the store-store
8556         errata for certain LEON3FT processors.
8557         (pass_work_around_errata::gate): Also test sparc_fix_b2bst.
8558         (sparc_option_override): Set sparc_fix_b2bst appropriately.
8559         * config/sparc/sparc.md (fix_b2bst): New attribute.
8560         (in_branch_delay): Prevent stores in delay slot if fix_b2bst.
8561
8562 2017-07-10  Uros Bizjak  <ubizjak@gmail.com>
8563
8564         PR target/81375
8565         * config/i386/i386.md (divsf3): Add TARGET_SSE to TARGET_SSE_MATH.
8566         (rcpps): Ditto.
8567         (*rsqrtsf2_sse): Ditto.
8568         (rsqrtsf2): Ditto.
8569         (div<mode>3): Macroize insn from divdf3 and divsf3
8570         using MODEF mode iterator.
8571
8572 2017-07-10  Martin Sebor  <msebor@redhat.com>
8573
8574         PR tree-optimization/80397
8575         * gimple-ssa-sprintf.c (format_integer): Use INTEGRAL_TYPE_P()
8576         instead of testing for equality to INTEGER_TYPE.
8577
8578 2017-07-10  Vineet Gupta <vgupta@synopsys.com>
8579
8580         * config.gcc: Remove uclibc from arc target spec.
8581
8582 2017-07-10  Claudiu Zissulescu  <claziss@synopsys.com>
8583
8584         * config/arc/arc.h (ADDITIONAL_REGISTER_NAMES): Define.
8585
8586 2017-07-07  Jan Hubicka  <hubicka@ucw.cz>
8587
8588         PR lto/80838
8589         * lto-wrapper.c (remove_option): New function.
8590         (merge_and_complain): Merge PIC/PIE options more realistically.
8591
8592 2017-07-10  Georg-Johann Lay  <avr@gjlay.de>
8593
8594         Better ISR prologues by supporting GASes __gcc_isr pseudo insn.
8595
8596         PR target/20296
8597         PR target/81268
8598         * configure.ac [target=avr]: Add GAS check for -mgcc-isr.
8599         (HAVE_AS_AVR_MGCCISR_OPTION):  If so, AC_DEFINE it.
8600         * config.in: Regenerate.
8601         * configure: Regenerate.
8602         * doc/extend.texi (AVR Function Attributes) <no_gccisr>: Document it.
8603         * doc/invoke.texi (AVR Options) <-mgas-isr-prologues>: Document it.
8604         * config/avr/avr.opt (-mgas-isr-prologues): New option and...
8605         (TARGET_GASISR_PROLOGUES): ...target mask.
8606         * common/config/avr/avr-common.c
8607         (avr_option_optimization_table) [OPT_LEVELS_1_PLUS_NOT_DEBUG]:
8608         Set -mgas-isr-prologues.
8609         * config/avr/avr-passes.def (avr_pass_pre_proep): Add
8610         INSERT_PASS_BEFORE for it.
8611         * config/avr/avr-protos.h (make_avr_pass_pre_proep): New proto.
8612         * config/avr/avr.c (avr_option_override)
8613         [!HAVE_AS_AVR_MGCCISR_OPTION]: Unset TARGET_GASISR_PROLOGUES.
8614         (avr_no_gccisr_function_p, avr_hregs_split_reg): New static functions.
8615         (avr_attribute_table) <no_gccisr>: Add new function attribute.
8616         (avr_set_current_function) <is_no_gccisr>: Init machine field.
8617         (avr_pass_data_pre_proep, avr_pass_pre_proep): New pass data
8618         and rtl_opt_pass.
8619         (make_avr_pass_pre_proep): New function.
8620         (emit_push_sfr) <treg>: Add argument to function and use it
8621         instead of TMP_REG.
8622         (avr_expand_prologue) [machine->gasisr.maybe]: Emit gasisr insn
8623         and set machine->gasisr.yes.
8624         (avr_expand_epilogue) [machine->gasisr.yes]: Similar.
8625         (avr_asm_function_end_prologue) [machine->gasisr.yes]: Add
8626         __gcc_isr.n_pushed to .L__stack_usage.
8627         (TARGET_ASM_FINAL_POSTSCAN_INSN): Define to...
8628         (avr_asm_final_postscan_insn): ...this new static function.
8629         * config/avr/avr.h (machine_function)
8630         <is_no_gccisr, use_L__stack_usage>: New fields.
8631         <gasisr, gasisr.yes, gasisr.maybe, gasisr.regno>: New fields.
8632         * config/avr/avr.md (UNSPECV_GASISR): Add unspecv enum.
8633         (GASISR_Prologue, GASISR_Epilogue, GASISR_Done): New define_constants.
8634         (gasisr, *gasisr): New expander and insn.
8635         * config/avr/gen-avr-mmcu-specs.c (print_mcu)
8636         [HAVE_AS_AVR_MGCCISR_OPTION]: Print asm_gccisr spec.
8637         * config/avr/specs.h (ASM_SPEC) <asm_gccisr>: Add sub spec.
8638
8639 2017-07-10  Richard Earnshaw  <rearnsha@arm.com>
8640
8641         * config/arm/parsecpu.awk (gen_comm_data): Do not escape single quotes
8642         in quoted strings.
8643
8644 2017-07-10  Georg-Johann Lay  <avr@gjlay.de>
8645
8646         Move jump-tables out of .text again.
8647
8648         PR target/81075
8649         * config/avr/avr.c (ASM_OUTPUT_ADDR_VEC_ELT): Remove function.
8650         (ASM_OUTPUT_ADDR_VEC): New function.
8651         (avr_adjust_insn_length) [JUMP_TABLE_DATA_P]: Return 0.
8652         (avr_final_prescan_insn) [avr_log.insn_addresses]: Dump
8653         INSN_ADDRESSes as asm comment.
8654         * config/avr/avr.h (JUMP_TABLES_IN_TEXT_SECTION): Adjust comment.
8655         (ASM_OUTPUT_ADDR_VEC_ELT): Remove define.
8656         (ASM_OUTPUT_ADDR_VEC): Define to avr_output_addr_vec.
8657         * config/avr/avr.md (*tablejump): Adjust comment.
8658         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
8659         * config/avr/avr-log.c (avr_log_set_avr_log) <insn_addresses>:
8660         New detail.
8661         * config/avr/avr-protos.h (avr_output_addr_vec_elt): Remove proto.
8662         (avr_output_addr_vec): New proto.
8663         (avr_log_t) <insn_addresses>: New field.
8664
8665 2017-07-09  H.J. Lu  <hongjiu.lu@intel.com>
8666
8667         PR target/81313
8668         * config/i386/i386.c (ix86_function_arg_advance): Set
8669         outgoing_args_on_stack to true if there are outgoing arguments
8670         on stack.
8671         (ix86_function_arg): Likewise.
8672         (ix86_get_drap_rtx): Use DRAP only if there are outgoing
8673         arguments on stack and ACCUMULATE_OUTGOING_ARGS is false.
8674         * config/i386/i386.h (machine_function): Add
8675         outgoing_args_on_stack.
8676
8677 2017-07-09  Krister Walfridsson  <krister.walfridsson@gmail.com>
8678
8679         * config.gcc (*-*-netbsd*): Remove check for NetBSD versions not
8680         supporting pthreds.
8681         * config/netbsd.h (NETBSD_LIBGCC_SPEC): Always enable pthreads.
8682
8683 2017-07-08  Richard Sandiford  <richard.sandiford@linaro.org>
8684
8685         * Makefile.in (HOOKS_H, RTL_BASE_H, FUNCTION_H, EXPR_H, REGS_H)
8686         (REAL_H): Remove $(MACHMODE_H).
8687         (FIXED_VALUE_H, TREE_CORE_H, CFGLOOP_H): Remove $(MACHMODE_H) and
8688         double-int.h.
8689         (CORETYPES_H): Add signop.h, wide-int.h, wide-int-print.h,
8690         $(MACHMODE_H) and double-int.h.
8691         (build/min-insn-modes.o): Depend on $(CORETYPES_H) rather than
8692         $(MACHMODE_H).
8693         (gengtype-state.o, gengtype.o, build/gengtype.o): Don't depend on
8694         double-int.h.
8695
8696 2017-07-07  Andrew Pinski  <apinski@cavium.com>
8697
8698         * config/aarch64/aarch64.c (aarch_macro_fusion_pair_p): Check
8699         prev_set and curr_set for AARCH64_FUSE_ALU_BRANCH.
8700
8701 2017-07-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
8702
8703         * config/rs6000/rs6000.c (rs6000_get_function_versions_dispatcher):
8704         Add warning if GCC was not configured to link against a GLIBC that
8705         exports the hardware capability bits.
8706         (make_resolver_func): Make resolver function private and not a
8707         COMDAT function.  Create the name with clone_function_name instead
8708         of make_unique_name.
8709
8710         PR target/81348
8711         * config/rs6000/rs6000.md (HI sign_extend splitter): Use the
8712         correct operand in doing the split.
8713
8714 2017-07-07 Carl Love  <cel@us.ibm.com>
8715
8716         * config/rs6000/rs6000-c: Add support for built-in function
8717         vector unsigned short vec_pack_to_short_fp32 (vector float,
8718                                                       vector float).
8719         * config/rs6000/rs6000-builtin.def (CONVERT_4F32_8I16): Add
8720         BU_P9V_AV_2 and BU_P9V_OVERLOAD_2 definitions.
8721         * config/rs6000/altivec.h (vec_pack_to_short_fp32): Add define.
8722         * config/rs6000/altivec.md(UNSPEC_CONVERT_4F32_8I16): Add UNSPEC.
8723         (convert_4f32_8i16): Add define_expand.
8724         * doc/extend.texi: Update the built-in documentation file for the
8725         new built-in function.
8726
8727 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
8728
8729         * config/sparc/m8.md: New file.
8730         * config/sparc/sparc.md: Include m8.md.
8731
8732 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
8733
8734         * config/sparc/sparc.opt: New option -mvis4b.
8735         * config/sparc/sparc.c (dump_target_flag_bits): Handle MASK_VIS4B.
8736         (sparc_option_override): Handle VIS4B.
8737         (enum sparc_builtins): Define
8738         SPARC_BUILTIN_DICTUNPACK{8,16,32},
8739         SPARC_BUILTIN_FPCMP{LE,GT,EQ,NE}{8,16,32}SHL,
8740         SPARC_BUILTIN_FPCMPU{LE,GT}{8,16,32}SHL,
8741         SPARC_BUILTIN_FPCMPDE{8,16,32}SHL and
8742         SPARC_BUILTIN_FPCMPUR{8,16,32}SHL.
8743         (check_constant_argument): New function.
8744         (sparc_vis_init_builtins): Define builtins
8745         __builtin_vis_dictunpack{8,16,32},
8746         __builtin_vis_fpcmp{le,gt,eq,ne}{8,16,32}shl,
8747         __builtin_vis_fpcmpu{le,gt}{8,16,32}shl,
8748         __builtin_vis_fpcmpde{8,16,32}shl and
8749         __builtin_vis_fpcmpur{8,16,32}shl.
8750         (sparc_expand_builtin): Check that the constant operands to
8751         __builtin_vis_fpcmp*shl and _builtin_vis_dictunpack* are indeed
8752         constant and in range.
8753         * config/sparc/sparc-c.c (sparc_target_macros): Handle
8754         TARGET_VIS4B.
8755         * config/sparc/sparc.h (SPARC_IMM2_P): Define.
8756         (SPARC_IMM5_P): Likewise.
8757         * config/sparc/sparc.md (cpu_feature): Add new feagure "vis4b".
8758         (enabled): Handle vis4b.
8759         (UNSPEC_DICTUNPACK): New unspec.
8760         (UNSPEC_FPCMPSHL): Likewise.
8761         (UNSPEC_FPUCMPSHL): Likewise.
8762         (UNSPEC_FPCMPDESHL): Likewise.
8763         (UNSPEC_FPCMPURSHL): Likewise.
8764         (cpu_feature): New CPU feature `vis4b'.
8765         (dictunpack{8,16,32}): New insns.
8766         (FPCSMODE): New mode iterator.
8767         (fpcscond): New code iterator.
8768         (fpcsucond): Likewise.
8769         (fpcmp{le,gt,eq,ne}{8,16,32}{si,di}shl): New insns.
8770         (fpcmpu{le,gt}{8,16,32}{si,di}shl): Likewise.
8771         (fpcmpde{8,16,32}{si,di}shl): Likewise.
8772         (fpcmpur{8,16,32}{si,di}shl): Likewise.
8773         * config/sparc/constraints.md: Define constraints `q' for unsigned
8774         2-bit integer constants and `t' for unsigned 5-bit integer
8775         constants.
8776         * config/sparc/predicates.md (imm5_operand_dictunpack8): New
8777         predicate.
8778         (imm5_operand_dictunpack16): Likewise.
8779         (imm5_operand_dictunpack32): Likewise.
8780         (imm2_operand): Likewise.
8781         * doc/invoke.texi (SPARC Options): Document -mvis4b.
8782         * doc/extend.texi (SPARC VIS Built-in Functions): Document the
8783         ditunpack* and fpcmp*shl builtins.
8784
8785 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
8786
8787         * config.gcc: Handle m8 in --with-{cpu,tune} options.
8788         * config.in: Add HAVE_AS_SPARC6 define.
8789         * config/sparc/driver-sparc.c (cpu_names): Add entry for the SPARC
8790         M8.
8791         * config/sparc/sol2.h (CPP_CPU64_DEFAULT_SPEC): Define for
8792         TARGET_CPU_m8.
8793         (ASM_CPU32_DEFAUILT_SPEC): Likewise.
8794         (CPP_CPU_SPEC): Handle m8.
8795         (ASM_CPU_SPEC): Likewise.
8796         * config/sparc/sparc-opts.h (enum processor_type): Add
8797         PROCESSOR_M8.
8798         * config/sparc/sparc.c (m8_costs): New struct.
8799         (sparc_option_override): Handle TARGET_CPU_m8.
8800         (sparc32_initialize_trampoline): Likewise.
8801         (sparc64_initialize_trampoline): Likewise.
8802         (sparc_issue_rate): Likewise.
8803         (sparc_register_move_cost): Likewise.
8804         * config/sparc/sparc.h (TARGET_CPU_m8): Define.
8805         (CPP_CPU64_DEFAULT_SPEC): Define for M8.
8806         (ASM_CPU64_DEFAULT_SPEC): Likewise.
8807         (CPP_CPU_SPEC): Handle M8.
8808         (ASM_CPU_SPEC): Likewise.
8809         (AS_M8_FLAG): Define.
8810         * config/sparc/sparc.md: Add m8 to the cpu attribute.
8811         * config/sparc/sparc.opt: New option -mcpu=m8 for sparc targets.
8812         * configure.ac (HAVE_AS_SPARC6): Check for assembler support for
8813         M8 instructions.
8814         * configure: Regenerate.
8815         * doc/invoke.texi (SPARC Options): Document -mcpu=m8 and
8816         -mtune=m8.
8817
8818 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
8819
8820         * config/sparc/niagara7.md: Rework the DFA scheduler to use insn
8821         subtypes.
8822         * config/sparc/sparc.md: Remove the `v3pipe' insn attribute.
8823         ("*movdi_insn_sp32"): Do not set v3pipe.
8824         ("*movsi_insn"): Likewise.
8825         ("*movdi_insn_sp64"): Likewise.
8826         ("*movsf_insn"): Likewise.
8827         ("*movdf_insn_sp32"): Likewise.
8828         ("*movdf_insn_sp64"): Likewise.
8829         ("*zero_extendsidi2_insn_sp64"): Likewise.
8830         ("*sign_extendsidi2_insn"): Likewise.
8831         ("*mov<VM32:mode>_insn"): Likewise.
8832         ("*mov<VM64:mode>_insn_sp64"): Likewise.
8833         ("*mov<VM64:mode>_insn_sp32"): Likewise.
8834         ("<plusminus_insn><VADDSUB:mode>3"): Likewise.
8835         ("<vlop:code><VL:mode>3"): Likewise.
8836         ("*not_<vlop:code><VL:mode>3"): Likewise.
8837         ("*nand<VL:mode>_vis"): Likewise.
8838         ("*<vlnotop:code>_not1<VL:mode>_vis"): Likewise.
8839         ("*<vlnotop:code>_not2<VL:mode>_vis"): Likewise.
8840         ("one_cmpl<VL:mode>2"): Likewise.
8841         ("faligndata<VM64:mode>_vis"): Likewise.
8842         ("alignaddrsi_vis"): Likewise.
8843         ("alignaddrdi_vis"): Likweise.
8844         ("alignaddrlsi_vis"): Likewise.
8845         ("alignaddrldi_vis"): Likewise.
8846         ("fcmp<gcond:code><GCM:gcm_name><P:mode>_vis"): Likewise.
8847         ("bmaskdi_vis"): Likewise.
8848         ("bmasksi_vis"): Likewise.
8849         ("bshuffle<VM64:mode>_vis"): Likewise.
8850         ("cmask8<P:mode>_vis"): Likewise.
8851         ("cmask16<P:mode>_vis"): Likewise.
8852         ("cmask32<P:mode>_vis"): Likewise.
8853         ("pdistn<P:mode>_vis"): Likewise.
8854         ("<vis3_addsub_ss_patname><VASS:mode>3"): Likewise.
8855
8856 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
8857
8858         * config/sparc/sparc.md ("subtype"): New insn attribute.
8859         ("*wrgsr_sp64"): Set insn subtype.
8860         ("*rdgsr_sp64"): Likewise.
8861         ("alignaddrsi_vis"): Likewise.
8862         ("alignaddrdi_vis"): Likewise.
8863         ("alignaddrlsi_vis"): Likewise.
8864         ("alignaddrldi_vis"): Likewise.
8865         ("<plusminus_insn><VADDSUB:mode>3"): Likewise.
8866         ("fexpand_vis"): Likewise.
8867         ("fpmerge_vis"): Likewise.
8868         ("faligndata<VM64:mode>_vis"): Likewise.
8869         ("bshuffle<VM64:mode>_vis"): Likewise.
8870         ("cmask8<P:mode>_vis"): Likewise.
8871         ("cmask16<P:mode>_vis"): Likewise.
8872         ("cmask32<P:mode>_vis"): Likewise.
8873         ("fchksm16_vis"): Likewise.
8874         ("v<vis3_shift_patname><GCM:mode>3"): Likewise.
8875         ("fmean16_vis"): Likewise.
8876         ("fp<plusminus_insn>64_vis"): Likewise.
8877         ("<plusminus_insn>v8qi3"): Likewise.
8878         ("<vis3_addsub_ss_patname><VASS:mode>3"): Likewise.
8879         ("<vis4_minmax_patname><VMMAX:mode>3"): Likewise.
8880         ("<vis4_uminmax_patname><VMMAX:mode>3"): Likewise.
8881         ("<vis3_addsub_ss_patname>v8qi3"): Likewise.
8882         ("<vis4_addsub_us_patname><VAUS:mode>3"): Likewise.
8883         ("*movqi_insn"): Likewise.
8884         ("*movhi_insn"): Likewise.
8885         ("*movsi_insn"): Likewise.
8886         ("movsi_pic_gotdata_op"): Likewise.
8887         ("*movdi_insn_sp32"): Likewise.
8888         ("*movdi_insn_sp64"): Likewise.
8889         ("movdi_pic_gotdata_op"): Likewise.
8890         ("*movsf_insn"): Likewise.
8891         ("*movdf_insn_sp32"): Likewise.
8892         ("*movdf_insn_sp64"): Likewise.
8893         ("*zero_extendhisi2_insn"): Likewise.
8894         ("*zero_extendqihi2_insn"): Likewise.
8895         ("*zero_extendqisi2_insn"): Likewise.
8896         ("*zero_extendqidi2_insn"): Likewise.
8897         ("*zero_extendhidi2_insn"): Likewise.
8898         ("*zero_extendsidi2_insn_sp64"): Likewise.
8899         ("ldfsr"): Likewise.
8900         ("prefetch_64"): Likewise.
8901         ("prefetch_32"): Likewise.
8902         ("tie_ld32"): Likewise.
8903         ("tie_ld64"): Likewise.
8904         ("*tldo_ldub_sp32"): Likewise.
8905         ("*tldo_ldub1_sp32"): Likewise.
8906         ("*tldo_ldub2_sp32"): Likewise.
8907         ("*tldo_ldub_sp64"): Likewise.
8908         ("*tldo_ldub1_sp64"): Likewise.
8909         ("*tldo_ldub2_sp64"): Likewise.
8910         ("*tldo_ldub3_sp64"): Likewise.
8911         ("*tldo_lduh_sp32"): Likewise.
8912         ("*tldo_lduh1_sp32"): Likewise.
8913         ("*tldo_lduh_sp64"): Likewise.
8914         ("*tldo_lduh1_sp64"): Likewise.
8915         ("*tldo_lduh2_sp64"): Likewise.
8916         ("*tldo_lduw_sp32"): Likewise.
8917         ("*tldo_lduw_sp64"): Likewise.
8918         ("*tldo_lduw1_sp64"): Likewise.
8919         ("*tldo_ldx_sp64"): Likewise.
8920         ("*mov<VM32:mode>_insn"): Likewise.
8921         ("*mov<VM64:mode>_insn_sp64"): Likewise.
8922         ("*mov<VM64:mode>_insn_sp32"): Likewise.
8923
8924 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
8925
8926         * config/sparc/sparc.md ("type"): New insn type viscmp.
8927         ("fcmp<gcond:code><GCM:gcm_name><P:mode>_vis"): Set insn type to
8928         viscmp.
8929         ("fpcmp<gcond:code>8<P:mode>_vis"): Likewise.
8930         ("fucmp<gcond:code>8<P:mode>_vis"): Likewise.
8931         ("fpcmpu<gcond:code><GCM:gcm_name><P:mode>_vis"): Likewise.
8932         * config/sparc/niagara7.md ("n7_vis_logical_v3pipe"): Handle
8933         viscmp.
8934         ("n7_vis_logical_11cycle"): Likewise.
8935         * config/sparc/niagara4.md ("n4_vis_logical"): Likewise.
8936         * config/sparc/niagara2.md ("niag3_vis": Likewise.
8937         * config/sparc/niagara.md ("niag_vis"): Likewise.
8938         * config/sparc/ultra3.md ("us3_fga"): Likewise.
8939         * config/sparc/ultra1_2.md ("us1_fga_double"): Likewise.
8940
8941 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
8942
8943         * config/sparc/sparc.md: New instruction type `bmask'.
8944         (bmaskdi_vis): Use the `bmask' type.
8945         (bmasksi_vis): Likewise.
8946         * config/sparc/ultra3.md (us3_array): Likewise.
8947         * config/sparc/niagara7.md (n7_array): Likewise.
8948         * config/sparc/niagara4.md (n4_array): Likewise.
8949         * config/sparc/niagara2.md (niag2_vis): Likewise.
8950         (niag3_vis): Likewise.
8951         * config/sparc/niagara.md (niag_vis): Likewise.
8952
8953 2017-07-06  Jan Hubicka  <hubicka@ucw.cz>
8954
8955         * ipa-comdats.c: Remove optimize check from gate.
8956         * ipa-fnsummary.c (ipa_fn_summary_generate): do not generate summary
8957         for functions not optimized.
8958         (ipa_fn_summary_read): Skip optimize check.
8959         (ipa_fn_summary_write): Likewise.
8960         * ipa-inline-analysis.c (do_estimate_growth_1): Check that caller
8961         is optimized.
8962         * ipa-inline.c (can_inline_edge_p): Not optimized functions are
8963         uninlinable.
8964         (can_inline_edge_p): Check flag_pcc_struct_return for match.
8965         (check_callers): Give up on caller which is not optimized.
8966         (inline_small_functions): Likewise.
8967         (ipa_inline): Do not give up when not optimizing.
8968         * ipa-visbility.c (function_and_variable_visibility): Do not optimize
8969         away unoptimizes cdtors.
8970         (whole_program_function_and_variable_visibility): Do
8971         ipa_discover_readonly_nonaddressable_vars in LTO mode.
8972         * ipa.c (process_references): Do not check optimize.
8973         (symbol_table::remove_unreachable_nodes): Update optimize check.
8974         (set_writeonly_bit): Update optimize check.
8975         (pass_ipa_cdtor_merge::gate): Do not check optimize.
8976         (pass_ipa_single_use::gate): Remove.
8977
8978 2017-07-06  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
8979
8980         * config/rs6000/rs6000.c (union_defs, union_uses, insn_is_load_p,
8981         insn_is_store_p, insn_is_swap_p, const_load_sequence_p, v2df_reduction_p,
8982         rtx_is_swappable_p, insn_is_swappable_p, chain_contains_only_swaps,
8983         mark_swaps_for_removal, swap_const_vector_halves, adjust_subreg_index,
8984         permute_load, permute_store, adjust_extract, adjust_splat,
8985         adjust_xxpermdi, adjust_concat, adjust_vperm, handle_special_swappables,
8986         replace_swap_with_copy, dump_swap_insn_table,
8987         alignment_with_canonical_addr, alignment_mask, find_alignment_op,
8988         recombine_lvx_pattern, recombine_stvx_pattern,
8989         recombine_lvx_stvx_patterns, rs6000_analyze_swaps,
8990         make_pass_analyze_swaps): Move all code related to p8 swap optimizations
8991         to file rs6000-p8swap.c.
8992         * config/rs6000/rs6000-p8swap.c: New file.
8993         * config/rs6000/t-rs6000: Add rule to build rs6000-p8swap.o.
8994         * config.gcc: Add rs6000-p8swap.o to extra_objs for powerpc*-*-*
8995         and rs6000*-*-* targets.
8996
8997 2017-07-06  David Malcolm  <dmalcolm@redhat.com>
8998
8999         * Makefile.in (selftest): Remove dependency on s-selftest-c++.
9000
9001 2017-07-06  Jan Hubicka  <hubicka@ucw.cz>
9002
9003         * lto-wrapper.c (merge_and_complain): Do not merge
9004         fexceptions, fnon_call_exceptions, ftrapv, ffp_contract_, fmath_errno,
9005         fsigned_zeros, ftrapping_math, fwrapv.
9006         (append_compiler_options): Do not track these options.
9007         (append_linker_options): Likewie
9008
9009 2017-07-06  Jan Hubicka  <hubicka@ucw.cz>
9010
9011         * cgraphunit.c (cgraph_node::finalize_function): When
9012         !flag_toplevel_reorde set no_reorder flag.
9013         (varpool_node::finalize_decl): Likewise.
9014         (symbol_table::compile): Drop no toplevel reorder path.
9015
9016 2017-07-06  Jan Hubicka  <hubicka@ucw.cz>
9017
9018         * bb-reorder.c (better_edge_p): Do not build traces across abnormal/eh
9019         edges; zero probability is not better than uninitialized.
9020
9021 2017-07-06  Maxim Ostapenko  <m.ostapenko@samsung.com>
9022
9023         * asan.h (asan_sanitize_allocas_p): Declare.
9024         * asan.c (asan_sanitize_allocas_p): New function.
9025         (handle_builtin_stack_restore): Bail out if !asan_sanitize_allocas_p.
9026         (handle_builtin_alloca): Likewise.
9027         * cfgexpand.c (expand_used_vars): Do not add allocas unpoisoning stuff
9028         if !asan_sanitize_allocas_p.
9029         * params.def (asan-instrument-allocas): Add new option.
9030         * params.h (ASAN_PROTECT_ALLOCAS): Define.
9031         * opts.c (common_handle_option): Disable allocas sanitization for
9032         KASan by default.
9033
9034 2017-07-06  Maxim Ostapenko  <m.ostapenko@samsung.com>
9035
9036         * asan.c: Include gimple-fold.h.
9037         (get_last_alloca_addr): New function.
9038         (handle_builtin_stackrestore): Likewise.
9039         (handle_builtin_alloca): Likewise.
9040         (asan_emit_allocas_unpoison): Likewise.
9041         (get_mem_refs_of_builtin_call): Add new parameter, remove const
9042         quallifier from first paramerer. Handle BUILT_IN_ALLOCA,
9043         BUILT_IN_ALLOCA_WITH_ALIGN and BUILT_IN_STACK_RESTORE builtins.
9044         (instrument_builtin_call): Pass gimple iterator to
9045         get_mem_refs_of_builtin_call.
9046         (last_alloca_addr): New global.
9047         * asan.h (asan_emit_allocas_unpoison): Declare.
9048         * builtins.c (expand_asan_emit_allocas_unpoison): New function.
9049         (expand_builtin): Handle BUILT_IN_ASAN_ALLOCAS_UNPOISON.
9050         * cfgexpand.c (expand_used_vars): Call asan_emit_allocas_unpoison
9051         if function calls alloca.
9052         * gimple-fold.c (replace_call_with_value): Remove static keyword.
9053         * gimple-fold.h (replace_call_with_value): Declare.
9054         * internal-fn.c: Include asan.h.
9055         * sanitizer.def (BUILT_IN_ASAN_ALLOCA_POISON,
9056         BUILT_IN_ASAN_ALLOCAS_UNPOISON): New builtins.
9057
9058 2017-07-06  David Malcolm  <dmalcolm@redhat.com>
9059
9060         * Makefile.in (SELFTEST_FLAGS): Drop "-x c", moving it to...
9061         (C_SELFTEST_FLAGS): New.
9062         (CPP_SELFTEST_FLAGS): New.
9063         (SELFTEST_DEPS): New, from deps of s-selftest.
9064         (C_SELFTEST_DEPS): New, from deps of s-selftest.
9065         (CPP_SELFTEST_DEPS): New.
9066         (selftest): Add dependency on s-selftest-c++.
9067         (s-selftest): Rename to...
9068         (s-selftest-c): ...this, moving deps to SELFTEST_DEPS
9069         and C_SELFTEST_DEPS, and using C_SELFTEST_FLAGS rather
9070         than SELFTEST_FLAGS.
9071         (selftest-gdb): Rename to...
9072         (selftest-c-gdb): ...this, using C_SELFTEST_DEPS and
9073         C_SELFTEST_FLAGS.
9074         (selftest-gdb): Reintroduce as an alias for selftest-c-gdb.
9075         (selftest-valgrind): Rename to...
9076         (selftest-c-valgrind): ...this, using C_SELFTEST_DEPS and
9077         C_SELFTEST_FLAGS.
9078         (selftest-valgrind): Reintroduce as an alias for
9079         selftest-c-valgrind.
9080         (s-selftest-c++): New.
9081         (selftest-c++-gdb): New.
9082         (selftest-c++-valgrind): New.
9083
9084 2017-07-06  Olivier Hainque  <hainque@adacore.com>
9085
9086         * gcc.c (process_command): When deciding if undefined variables
9087         should be ignored when processing specs, accept "gcc -v" as well.
9088
9089 2017-07-06  Jan Hubicka  <hubicka@ucw.cz>
9090
9091         * auto-profile.c (afdo_set_bb_count, afdo_propagate_edge,
9092         afdo_annotate_cfg): Set counts/probabilities as determined by afdo.
9093
9094 2017-07-06  Thomas Preud'homme  <thomas.preudhomme@arm.com>
9095
9096         * config/arm/arm-cpus.in (armv8-r): Add new entry.
9097         * config/arm/arm-isa.h (ISA_ARMv8r): Define macro.
9098         * config/arm/arm-tables.opt: Regenerate.
9099         * config/arm/arm.h (enum base_architecture): Add BASE_ARCH_8R
9100         enumerator.
9101         * doc/invoke.texi: Mention -march=armv8-r and its extensions.
9102
9103 2017-07-06  Carl Love  <cel@us.ibm.com>
9104
9105         * ChangeLog: Clean up from mid air collision
9106
9107 2017-07-06  Carl Love  <cel@us.ibm.com>
9108
9109         * config/rs6000/rs6000-c.c: Add support for built-in functions
9110         vector signed int vec_subc (vector signed int, vector signed int);
9111         vector signed __int128 vec_subc (vector signed __int128,
9112                                          vector signed __int128);
9113         vector unsigned __int128 vec_subc (vector unsigned __int128,
9114                                            vector unsigned __int128);
9115         vector signed int vec_sube (vector signed int, vector signed int,
9116                                     vector signed int);
9117         vector unsigned int vec_sube (vector unsigned int,
9118                                       vector unsigned int,
9119                                       vector unsigned int);
9120         vector signed __int128 vec_sube (vector signed __int128,
9121                                          vector signed __int128,
9122                                          vector signed__int128);
9123         vector unsigned __int128 vec_sube (vector unsigned __int128,
9124                                            vector unsigned __int128,
9125                                            vector unsigned __int128);
9126         vector signed int vec_subec (vector signed int, vector signed int,
9127                                      vector signed int);
9128         vector unsigned int vec_subec (vector unsigned int,
9129                                        vector unsigned int,
9130                                        vector unsigned int);
9131         vector signed __int128 vec_subec (vector signed __int128,
9132                                           vector signed __int128,
9133                                           vector signed__int128);
9134         vector unsigned __int128 vec_subec (vector unsigned __int128,
9135                                             vector unsigned __int128,
9136                                             vector unsigned __int128);
9137         * config/rs6000/rs6000.c (ALTIVEC_BUILTIN_VEC_SUBE,
9138         ALTIVEC_BUILTIN_VEC_SUBEC): Add ef_builtins.
9139         * config/rs6000/rs6000-builtin.def (SUBE, SUBEC): Add
9140         BU_ALTIVEC_OVERLOAD_X definitions.
9141         * config/rs6000/altivec.h (vec_sube, vec_subec): Add builtin defines.
9142         * doc/extend.texi: Update the built-in documentation file for the new
9143         built-in functions.
9144
9145 2017-07-06  David Malcolm  <dmalcolm@redhat.com>
9146
9147         PR c++/79300
9148         * diagnostic-show-locus.c (layout::layout): Use start and finish
9149         spelling location for the start and finish of each range.
9150         * genmatch.c (linemap_client_expand_location_to_spelling_point):
9151         Add unused aspect param.
9152         * input.c (expand_location_1): Add "aspect" param, and use it
9153         to access the correct part of the location.
9154         (expand_location): Pass LOCATION_ASPECT_CARET to new param of
9155         expand_location_1.
9156         (expand_location_to_spelling_point): Likewise.
9157         (linemap_client_expand_location_to_spelling_point): Add "aspect"
9158         param, and pass it to expand_location_1.
9159
9160 2017-07-06  Sebastian Peryt  <sebastian.peryt@intel.com>
9161
9162         * config/i386/avx512fintrin.h (_mm_mask_getexp_round_ss,
9163         _mm_maskz_getexp_round_ss, _mm_mask_getexp_round_sd,
9164         _mm_maskz_getexp_round_sd, _mm_mask_getmant_round_sd,
9165         _mm_maskz_getmant_round_sd, _mm_mask_getmant_round_ss,
9166         _mm_maskz_getmant_round_ss, _mm_mask_getexp_ss, _mm_maskz_getexp_ss,
9167         _mm_mask_getexp_sd, _mm_maskz_getexp_sd, _mm_mask_getmant_sd,
9168         _mm_maskz_getmant_sd, _mm_mask_getmant_ss,
9169         _mm_maskz_getmant_ss): New intrinsics.
9170         (__builtin_ia32_getexpss128_mask): Changed to ...
9171         __builtin_ia32_getexpss128_round ... this.
9172         (__builtin_ia32_getexpsd128_mask): Changed to ...
9173         __builtin_ia32_getexpsd128_round ... this.
9174         * config/i386/i386-builtin-types.def
9175         ((V2DF, V2DF, V2DF, INT, V2DF, UQI, INT),
9176         (V4SF, V4SF, V4SF, INT, V4SF, UQI, INT)): New function type aliases.
9177         * config/i386/i386-builtin.def (__builtin_ia32_getexpsd_mask_round,
9178         __builtin_ia32_getexpss_mask_round,     __builtin_ia32_getmantsd_mask_round,
9179         __builtin_ia32_getmantss_mask_round): New builtins.
9180         * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_INT_V2DF_UQI_INT,
9181         V4SF_FTYPE_V4SF_V4SF_INT_V4SF_UQI_INT): Handle new types.
9182         (CODE_FOR_avx512f_vgetmantv2df_mask_round,
9183         CODE_FOR_avx512f_vgetmantv4sf_mask_round): New cases.
9184         * config/i386/sse.md
9185         (avx512f_sgetexp<mode><round_saeonly_name>): Changed to ...
9186         avx512f_sgetexp<mode><mask_scalar_name>
9187         <round_saeonly_scalar_name> ... this.
9188         (vgetexp<ssescalarmodesuffix>\t{<round_saeonly_op3>%2, %1, %0|
9189         %0, %1, %2<round_saeonly_op3>}): Changed to ...
9190         vgetexp<ssescalarmodesuffix>
9191         \t{<round_saeonly_scalar_mask_op3>%2, %1, %0<mask_scalar_operand3>|
9192         %0<mask_scalar_operand3>, %1, %2<round_saeonly_scalar_mask_op3>} ... this.
9193         (avx512f_vgetmant<mode><round_saeonly_name>): Changed to ...
9194         avx512f_vgetmant<mode><mask_scalar_name>
9195         <round_saeonly_scalar_name> ... this.
9196         (vgetmant<ssescalarmodesuffix>\t{%3, <round_saeonly_op4>%2, %1, %0|
9197         %0, %1, %2<round_saeonly_op4>, %3}): Changed to ...
9198         vgetmant<ssescalarmodesuffix>
9199         \t{%3, <round_saeonly_scalar_mask_op4>%2, %1, %0<mask_scalar_operand4>|
9200         %0<mask_scalar_operand4>, %1, %2
9201         <round_saeonly_scalar_mask_op4>, %3} ... this.
9202         * config/i386/subst.md (mask_scalar_operand4,
9203         round_saeonly_scalar_mask_operand4,     round_saeonly_scalar_mask_op4,
9204         round_saeonly_scalar_nimm_predicate): New subst attributes.
9205
9206 2017-07-06  Julia Koval  <julia.koval@intel.com>
9207
9208         * config/i386/i386.c (ix86_erase_embedded_rounding):
9209         Remove code for old rounding pattern.
9210
9211 2017-07-06  Richard Earnshaw  <rearnsha@arm.com>
9212
9213         * config/arm/t-arm (GTM_H): Add arm-cpu.h.
9214
9215 2017-07-06  Christophe Lyon  <christophe.lyon@linaro.org>
9216
9217         * doc/sourcebuild.texi (Test Directives, Variants of
9218         dg-require-support): Add documentation for dg-require-stack-check.
9219
9220 2017-07-05  Sebastian Peryt  <sebastian.peryt@intel.com>
9221
9222         * config/i386/subst.md (mask_scalar, round_scalar,
9223         round_saeonly_scalar): New meta-templates.
9224         (mask_scalar_name, mask_scalar_operand3, round_scalar_name,
9225         round_scalar_mask_operand3, round_scalar_mask_op3,
9226         round_scalar_constraint, round_scalar_prefix, round_saeonly_scalar_name,
9227         round_saeonly_scalar_mask_operand3, round_saeonly_scalar_mask_op3,
9228         round_saeonly_scalar_constraint,
9229         round_saeonly_scalar_prefix): New subst attribute.
9230         * config/i386/sse.md
9231         (<sse>_vm<plusminus_insn><mode>3<mask_name><round_name>): Renamed to ...
9232         <sse>_vm<plusminus_insn><mode>3<mask_scalar_name>
9233         <round_scalar_name> ... this.
9234         (<sse>_vm<multdiv_mnemonic><mode>3<mask_name><round_name>): Renamed to ...
9235         <sse>_vm<multdiv_mnemonic><mode>3<mask_scalar_name>
9236         <round_scalar_name> ... this.
9237         (<sse>_vm<code><mode>3<mask_name><round_saeonly_name>): Renamed to ...
9238         <sse>_vm<code><mode>3<mask_scalar_name>
9239         <round_saeonly_scalar_name> ... this.
9240         (v<plusminus_mnemonic><ssescalarmodesuffix>
9241         \t{<round_mask_op3>%2, %1, %0<mask_operand3>|
9242         %0<mask_operand3>, %1, %<iptr>2<round_mask_op3>}): Changed to ...
9243         v<plusminus_mnemonic><ssescalarmodesuffix>
9244         \t{<round_scalar_mask_op3>%2, %1, %0<mask_scalar_operand3>|
9245         %0<mask_scalar_operand3>, %1, %<iptr>2<round_scalar_mask_op3>} ... this.
9246         (v<multdiv_mnemonic><ssescalarmodesuffix>
9247         \t{<round_mask_op3>%2, %1, %0<mask_operand3>|
9248         %0<mask_operand3>, %1, %<iptr>2<round_mask_op3>}): Changed to ...
9249         v<multdiv_mnemonic><ssescalarmodesuffix>
9250         \t{<round_scalar_mask_op3>%2, %1, %0<mask_scalar_operand3>|
9251         %0<mask_scalar_operand3>, %1, %<iptr>2<round_scalar_mask_op3>} ... this.
9252         (v<maxmin_float><ssescalarmodesuffix>
9253         \t{<round_saeonly_mask_op3>%2, %1, %0<mask_operand3>|
9254         %0<mask_operand3>, %1, %<iptr>2<round_saeonly_mask_op3>}): Changed to ...
9255         v<maxmin_float><ssescalarmodesuffix>
9256         \t{<round_saeonly_scalar_mask_op3>%2, %1, %0<mask_scalar_operand3>|
9257         %0<mask_scalar_operand3>, %1, %<iptr>2
9258         <round_saeonly_scalar_mask_op3>} ... this.
9259
9260 2017-07-05  Richard Earnshaw  <rearnsha@arm.com>
9261
9262         * config/arm/arm.c (arm_fixed_condition_code_regs): New function.
9263         (TARGET_FIXED_CONDITION_CODE_REGS): Redefine.
9264
9265 2017-07-05  Richard Sandiford  <richard.sandiford@linaro.org>
9266             Alan Hayward  <alan.hayward@arm.com>
9267             David Sherwood  <david.sherwood@arm.com>
9268
9269         * combine.c (simplify_if_then_else): Remove "enum" before
9270         "machine_mode".
9271         * compare-elim.c (can_eliminate_compare): Likewise.
9272         * config/aarch64/aarch64-builtins.c (aarch64_simd_builtin_std_type):
9273         Likewise.
9274         (aarch64_lookup_simd_builtin_type): Likewise.
9275         (aarch64_simd_builtin_type): Likewise.
9276         (aarch64_init_simd_builtin_types): Likewise.
9277         (aarch64_simd_expand_args): Likewise.
9278         * config/aarch64/aarch64-protos.h (aarch64_simd_attr_length_rglist):
9279         Likewise.
9280         (aarch64_reverse_mask): Likewise.
9281         (aarch64_simd_emit_reg_reg_move): Likewise.
9282         (aarch64_gen_adjusted_ldpstp): Likewise.
9283         (aarch64_ccmp_mode_to_code): Likewise.
9284         (aarch64_operands_ok_for_ldpstp): Likewise.
9285         (aarch64_operands_adjust_ok_for_ldpstp): Likewise.
9286         * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class):
9287         Likewise.
9288         (aarch64_min_divisions_for_recip_mul): Likewise.
9289         (aarch64_reassociation_width): Likewise.
9290         (aarch64_get_condition_code_1): Likewise.
9291         (aarch64_simd_emit_reg_reg_move): Likewise.
9292         (aarch64_simd_attr_length_rglist): Likewise.
9293         (aarch64_reverse_mask): Likewise.
9294         (aarch64_operands_ok_for_ldpstp): Likewise.
9295         (aarch64_operands_adjust_ok_for_ldpstp): Likewise.
9296         (aarch64_gen_adjusted_ldpstp): Likewise.
9297         * config/aarch64/cortex-a57-fma-steering.c (fma_node::rename):
9298         Likewise.
9299         * config/arc/arc.c (legitimate_offset_address_p): Likewise.
9300         * config/arm/arm-builtins.c (arm_simd_builtin_std_type): Likewise.
9301         (arm_lookup_simd_builtin_type): Likewise.
9302         (arm_simd_builtin_type): Likewise.
9303         (arm_init_simd_builtin_types): Likewise.
9304         (arm_expand_builtin_args): Likewise.
9305         * config/arm/arm-protos.h (arm_expand_builtin): Likewise.
9306         * config/ft32/ft32.c (ft32_libcall_value): Likewise.
9307         (ft32_setup_incoming_varargs): Likewise.
9308         (ft32_function_arg): Likewise.
9309         (ft32_function_arg_advance): Likewise.
9310         (ft32_pass_by_reference): Likewise.
9311         (ft32_arg_partial_bytes): Likewise.
9312         (ft32_valid_pointer_mode): Likewise.
9313         (ft32_addr_space_pointer_mode): Likewise.
9314         (ft32_addr_space_legitimate_address_p): Likewise.
9315         * config/i386/i386-protos.h (ix86_operands_ok_for_move_multiple):
9316         Likewise.
9317         * config/i386/i386.c (ix86_setup_incoming_vararg_bounds): Likewise.
9318         (ix86_emit_outlined_ms2sysv_restore): Likewise.
9319         (iamcu_alignment): Likewise.
9320         (canonicalize_vector_int_perm): Likewise.
9321         (ix86_noce_conversion_profitable_p): Likewise.
9322         (ix86_mpx_bound_mode): Likewise.
9323         (ix86_operands_ok_for_move_multiple): Likewise.
9324         * config/microblaze/microblaze-protos.h
9325         (microblaze_expand_conditional_branch_reg): Likewise.
9326         * config/microblaze/microblaze.c
9327         (microblaze_expand_conditional_branch_reg): Likewise.
9328         * config/powerpcspe/powerpcspe.c (rs6000_init_hard_regno_mode_ok):
9329         Likewise.
9330         (rs6000_reassociation_width): Likewise.
9331         (rs6000_invalid_binary_op): Likewise.
9332         (fusion_p9_p): Likewise.
9333         (emit_fusion_p9_load): Likewise.
9334         (emit_fusion_p9_store): Likewise.
9335         * config/riscv/riscv-protos.h (riscv_regno_mode_ok_for_base_p):
9336         Likewise.
9337         (riscv_hard_regno_mode_ok_p): Likewise.
9338         (riscv_address_insns): Likewise.
9339         (riscv_split_symbol): Likewise.
9340         (riscv_legitimize_move): Likewise.
9341         (riscv_function_value): Likewise.
9342         (riscv_hard_regno_nregs): Likewise.
9343         (riscv_expand_builtin): Likewise.
9344         * config/riscv/riscv.c (riscv_build_integer_1): Likewise.
9345         (riscv_build_integer): Likewise.
9346         (riscv_split_integer): Likewise.
9347         (riscv_legitimate_constant_p): Likewise.
9348         (riscv_cannot_force_const_mem): Likewise.
9349         (riscv_regno_mode_ok_for_base_p): Likewise.
9350         (riscv_valid_base_register_p): Likewise.
9351         (riscv_valid_offset_p): Likewise.
9352         (riscv_valid_lo_sum_p): Likewise.
9353         (riscv_classify_address): Likewise.
9354         (riscv_legitimate_address_p): Likewise.
9355         (riscv_address_insns): Likewise.
9356         (riscv_load_store_insns): Likewise.
9357         (riscv_force_binary): Likewise.
9358         (riscv_split_symbol): Likewise.
9359         (riscv_force_address): Likewise.
9360         (riscv_legitimize_address): Likewise.
9361         (riscv_move_integer): Likewise.
9362         (riscv_legitimize_const_move): Likewise.
9363         (riscv_legitimize_move): Likewise.
9364         (riscv_address_cost): Likewise.
9365         (riscv_subword): Likewise.
9366         (riscv_output_move): Likewise.
9367         (riscv_canonicalize_int_order_test): Likewise.
9368         (riscv_emit_int_order_test): Likewise.
9369         (riscv_function_arg_boundary): Likewise.
9370         (riscv_pass_mode_in_fpr_p): Likewise.
9371         (riscv_pass_fpr_single): Likewise.
9372         (riscv_pass_fpr_pair): Likewise.
9373         (riscv_get_arg_info): Likewise.
9374         (riscv_function_arg): Likewise.
9375         (riscv_function_arg_advance): Likewise.
9376         (riscv_arg_partial_bytes): Likewise.
9377         (riscv_function_value): Likewise.
9378         (riscv_pass_by_reference): Likewise.
9379         (riscv_setup_incoming_varargs): Likewise.
9380         (riscv_print_operand): Likewise.
9381         (riscv_elf_select_rtx_section): Likewise.
9382         (riscv_save_restore_reg): Likewise.
9383         (riscv_for_each_saved_reg): Likewise.
9384         (riscv_register_move_cost): Likewise.
9385         (riscv_hard_regno_mode_ok_p): Likewise.
9386         (riscv_hard_regno_nregs): Likewise.
9387         (riscv_class_max_nregs): Likewise.
9388         (riscv_memory_move_cost): Likewise.
9389         * config/rl78/rl78-protos.h (rl78_split_movsi): Likewise.
9390         * config/rl78/rl78.c (rl78_split_movsi): Likewise.
9391         (rl78_addr_space_address_mode): Likewise.
9392         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
9393         Likewise.
9394         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Likewise.
9395         (rs6000_reassociation_width): Likewise.
9396         (rs6000_invalid_binary_op): Likewise.
9397         (fusion_p9_p): Likewise.
9398         (emit_fusion_p9_load): Likewise.
9399         (emit_fusion_p9_store): Likewise.
9400         * config/visium/visium-protos.h (prepare_move_operands): Likewise.
9401         (ok_for_simple_move_operands): Likewise.
9402         (ok_for_simple_move_strict_operands): Likewise.
9403         (ok_for_simple_arith_logic_operands): Likewise.
9404         (visium_legitimize_reload_address): Likewise.
9405         (visium_select_cc_mode): Likewise.
9406         (output_cbranch): Likewise.
9407         (visium_split_double_move): Likewise.
9408         (visium_expand_copysign): Likewise.
9409         (visium_expand_int_cstore): Likewise.
9410         (visium_expand_fp_cstore): Likewise.
9411         * config/visium/visium.c (visium_pass_by_reference): Likewise.
9412         (visium_function_arg): Likewise.
9413         (visium_function_arg_advance): Likewise.
9414         (visium_libcall_value): Likewise.
9415         (visium_setup_incoming_varargs): Likewise.
9416         (visium_legitimate_constant_p): Likewise.
9417         (visium_legitimate_address_p): Likewise.
9418         (visium_legitimize_address): Likewise.
9419         (visium_secondary_reload): Likewise.
9420         (visium_register_move_cost): Likewise.
9421         (visium_memory_move_cost): Likewise.
9422         (prepare_move_operands): Likewise.
9423         (ok_for_simple_move_operands): Likewise.
9424         (ok_for_simple_move_strict_operands): Likewise.
9425         (ok_for_simple_arith_logic_operands): Likewise.
9426         (visium_function_value_1): Likewise.
9427         (rtx_ok_for_offset_p): Likewise.
9428         (visium_legitimize_reload_address): Likewise.
9429         (visium_split_double_move): Likewise.
9430         (visium_expand_copysign): Likewise.
9431         (visium_expand_int_cstore): Likewise.
9432         (visium_expand_fp_cstore): Likewise.
9433         (visium_split_cstore): Likewise.
9434         (visium_select_cc_mode): Likewise.
9435         (visium_split_cbranch): Likewise.
9436         (output_cbranch): Likewise.
9437         (visium_print_operand_address): Likewise.
9438         * expmed.c (flip_storage_order): Likewise.
9439         * expmed.h (emit_cstore): Likewise.
9440         (flip_storage_order): Likewise.
9441         * genrecog.c (validate_pattern): Likewise.
9442         * hsa-gen.c (gen_hsa_addr): Likewise.
9443         * internal-fn.c (expand_arith_overflow): Likewise.
9444         * ira-color.c (allocno_copy_cost_saving): Likewise.
9445         * lra-assigns.c (find_hard_regno_for_1): Likewise.
9446         * lra-constraints.c (prohibited_class_reg_set_mode_p): Likewise.
9447         (process_invariant_for_inheritance): Likewise.
9448         * lra-eliminations.c (move_plus_up): Likewise.
9449         * omp-low.c (lower_oacc_reductions): Likewise.
9450         * simplify-rtx.c (simplify_subreg): Likewise.
9451         * target.def (TARGET_SETUP_INCOMING_VARARG_BOUNDS): Likewise.
9452         (TARGET_CHKP_BOUND_MODE): Likewise..
9453         * targhooks.c (default_chkp_bound_mode): Likewise.
9454         (default_setup_incoming_vararg_bounds): Likewise.
9455         * targhooks.h (default_chkp_bound_mode): Likewise.
9456         (default_setup_incoming_vararg_bounds): Likewise.
9457         * tree-ssa-math-opts.c (divmod_candidate_p): Likewise.
9458         * tree-vect-loop.c (calc_vec_perm_mask_for_shift): Likewise.
9459         (have_whole_vector_shift): Likewise.
9460         * tree-vect-stmts.c (vectorizable_load): Likewise.
9461         * doc/tm.texi: Regenerate.
9462
9463 2017-07-05  Georg-Johann Lay  <avr@gjlay.de>
9464
9465         Graceful degrade if Binutils PR21472 is not available.
9466
9467         PR target/81072
9468         * configure.ac [target=avr]: WARN instead of ERROR if avrxmega3
9469         .rodata in flash test fails.
9470         (HAVE_LD_AVR_AVRXMEGA3_RODATA_IN_FLASH): Define it if test passes.
9471         * confgure: Regenerate.
9472         * config.in: Regenerate.
9473         * config/avr/avr.c (avr_asm_named_section)
9474         [HAVE_LD_AVR_AVRXMEGA3_RODATA_IN_FLASH]: Only trigger
9475         __do_copy_data for stuff in .rodata if flash_pm_offset = 0.
9476         (avr_asm_init_sections): Same.
9477
9478 2017-07-05  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9479
9480         * config/arm/neon.md (fma<VCVTF:mode>4): Remove %?.
9481         (fma<VH:mode>4_intrinsic): Likewise.
9482         (*fmsub<VCVTF:mode>4): Likewise.
9483         (*fmsub<VH:mode>4_intrinsic): Likewise.
9484
9485 2017-07-05  Georg-Johann Lay  <avr@gjlay.de>
9486
9487         PR target/81305
9488         * config/avr/avr.c (avr_out_movhi_mr_r_xmega) [CONSTANT_ADDRESS_P]:
9489         Don't depend on "optimize > 0".
9490         (out_movhi_r_mr, out_movqi_mr_r): Same.
9491         (out_movhi_mr_r, out_movqi_r_mr): Same.
9492         (avr_address_cost) [CONSTANT_ADDRESS_P]: Don't depend cost for
9493         io_address_operand on "optimize > 0".
9494
9495 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
9496
9497         * tree-loop-distribution.c: Add general explanantion on the pass.
9498         (generate_loops_for_partition): Mark distributed loop.
9499         (pg_add_dependence_edges): New parameter.  Handle alias data
9500         dependence specially and record it in the parameter if asked.
9501         (struct pg_vdata, pg_edata, pg_edge_callback_data): New structs.
9502         (init_partition_graph_vertices, add_partition_graph_edge): New.
9503         (pg_skip_alias_edge, free_partition_graph_edata_cb): New.
9504         (free_partition_graph_vdata, build_partition_graph): New.
9505         (sort_partitions_by_post_order, merge_dep_scc_partitions): New.
9506         (pg_collect_alias_ddrs, break_alias_scc_partitions): New.
9507         (data_ref_segment_size, latch_dominated_by_data_ref): New.
9508         (compute_alias_check_pairs, version_loop_by_alias_check): New.
9509         (version_for_distribution_p, finalize_partitions): New.
9510         (distribute_loop): Handle alias data dependence specially.  Factor
9511         out loop fusion code as functions and call these functions.
9512
9513 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
9514
9515         * tree-loop-distribution.c (classify_partition): New parameter and
9516         better handle reduction statement.
9517         (rdg_build_partitions): Revise comment.
9518         (distribute_loop): Compute statements in all partitions and pass it
9519         to classify_partition.
9520
9521 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
9522
9523         * tree-loop-distribution.c (enum partition_type): New.
9524         (struct partition): New field type.
9525         (partition_merge_into): Add parameter.  Update partition type.
9526         (data_dep_in_cycle_p, update_type_for_merge): New functions.
9527         (build_rdg_partition_for_vertex): Compute partition type.
9528         (rdg_build_partitions): Dump partition type.
9529         (distribute_loop): Update calls to partition_merge_into.
9530
9531 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
9532
9533         * tree-loop-distribution.c (struct ddr_hasher): New.
9534         (ddr_hasher::hash, ::equal, get_data_dependence): New function.
9535         (ddrs_table): New.
9536         (classify_partition): Call get_data_dependence.
9537         (pg_add_dependence_edges): Ditto.
9538         (distribute_loop): Release data dependence hash table.
9539
9540 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
9541
9542         * tree-loop-distribution.c (ref_base_address): Delete.
9543         (similar_memory_accesses): Rename ...
9544         (share_memory_accesses): ... to this.  Check if partitions access
9545         the same memory reference.
9546         (distribute_loop): Call share_memory_accesses.
9547
9548 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
9549
9550         * tree-loop-distribution.c (struct partition): New field recording
9551         its data reference.
9552         (partition_alloc, partition_free): Init and release data refs.
9553         (partition_merge_into): Merge data refs.
9554         (build_rdg_partition_for_vertex): Collect data refs for partition.
9555         (pg_add_dependence_edges): Change parameters from vector to bitmap.
9556         Update uses.
9557         (distribute_loop): Remve data refs from vertice data of partition
9558         graph.
9559
9560 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
9561
9562         * tree-loop-distribution.c (params.h): Include header file.
9563         (MAX_DATAREFS_NUM, DR_INDEX): New macro.
9564         (datarefs_vec): New global var.
9565         (create_rdg_vertices): Use datarefs_vec directly.
9566         (free_rdg): Don't free data references.
9567         (build_rdg): Update use.  Don't free data references.
9568         (distribute_loop): Compute global variable for data references.
9569         Bail out if there are too many data references.
9570
9571 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
9572
9573         * tree-loop-distribution.c (loop_nest): New global var.
9574         (build_rdg): Use loop directly, rather than loop nest.
9575         (pg_add_dependence_edges): Remove loop nest parameter.  Use global
9576         variable directly.
9577         (distribute_loop): Compute global variable loop nest.  Update use.
9578
9579 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
9580
9581         * tree-loop-distribution.c (enum fuse_type, fuse_message): New.
9582         (partition_merge_into): New parameter.  Dump reason for fusion.
9583         (distribute_loop): Update use of partition_merge_into.
9584
9585 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
9586
9587         * tree-loop-distribution.c (bb_top_order_index): New.
9588         (bb_top_order_index_size, bb_top_order_cmp): New.
9589         (stmts_from_loop): Use topological order.
9590         (pass_loop_distribution::execute): Compute and release topological
9591         order for basic blocks.
9592
9593 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
9594
9595         * tree-loop-distribution.c (pass_loop_distribution::execute): Skip
9596         if no loops.
9597
9598 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
9599
9600         * cfgloop.h (struct loop): Add comment.  New field orig_loop_num.
9601         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Comment change.
9602         * internal-fn.c (expand_LOOP_DIST_ALIAS): New function.
9603         * internal-fn.def (LOOP_DIST_ALIAS): New.
9604         * tree-vectorizer.c (fold_loop_vectorized_call): Rename to ...
9605         (fold_loop_internal_call): ... this.
9606         (vect_loop_dist_alias_call): New function.
9607         (set_uid_loop_bbs): Call fold_loop_internal_call.
9608         (vectorize_loops): Fold IFN_LOOP_VECTORIZED and IFN_LOOP_DIST_ALIAS
9609         internal calls.
9610
9611 2017-07-04  Uros Bizjak  <ubizjak@gmail.com>
9612
9613         PR target/81300
9614         * config/i386/i386.md (setcc + movzbl/and to xor + setcc peepholes):
9615         Require dead FLAGS_REG at the beginning of a peephole.
9616
9617 2017-07-04  Uros Bizjak  <ubizjak@gmail.com>
9618
9619         PR target/81294
9620         * config/i386/adxintrin.h (_subborrow_u32): Swap _X and _Y
9621         arguments in the call to __builtin_ia32_sbb_u32.
9622         (_subborrow_u64): Swap _X and _Y arguments in the call to
9623         __builtin_ia32_sbb_u64.
9624
9625 2017-07-04  Jakub Jelinek  <jakub@redhat.com>
9626
9627         PR debug/81278
9628         * tree-vrp.c (compare_assert_loc): Turn into a function template
9629         with stable template parameter.  Only test if a->e is NULL,
9630         !a->e == !b->e has been verified already.  Use e == NULL or
9631         e != NULL instead of e or ! e tests.  If stable is true, don't use
9632         iterative_hash_expr, on the other side allow a or b or both NULL
9633         and sort the NULLs last.
9634         (process_assert_insertions): Sort using compare_assert_loc<false>
9635         instead of compare_assert_loc, later sort using
9636         compare_assert_loc<true> before calling process_assert_insertions_for
9637         in a loop.  Use break instead of continue once seen NULL pointer.
9638
9639 2017-07-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
9640
9641         * config/arm/driver-arm.c (arm_cpu_table): Add entry for ARM
9642         Cortex-R7 and Cortex-R8 processors.
9643
9644 2017-07-04  Jan Hubicka  <hubicka@ucw.cz>
9645
9646         * ipa-utils.c (ipa_merge_profiles): Fix merging when dst is
9647         uninitialized while src is not.
9648
9649 2017-07-04  Richard Earnshaw  <rearnsha@arm.com>
9650
9651         * common/config/arm/arm-common.c: Adjust include path for
9652         arm-cpu-cdata.h
9653         * config/arm/t-arm (TM_H): Adjust path for arm-cpu.h.
9654         (arm-cpu.h): Create in build directory.  Adjust dependency rules.
9655         (arm-cpu-data.h): Likewise.
9656         (arm-cpu-cdata.h): Likewise.
9657         * config/arm/arm-cpu.h: Delete.
9658         * config/arm/arm-cpu-cdata.h: Delete.
9659         * config/arm/arm-cpu-data.h: Delete.
9660
9661 2017-07-04  James Greenhalgh  <james.greenhalgh@arm.com>
9662
9663         * config/arm/arm-cpus.in (cortex-a55): New.
9664         (cortex-a75): Likewise.
9665         (cortex-a75.cortex-a55): Likewise.
9666         * config/arm/driver-arm.c (arm_cpu_table): Add cortex-a55 and
9667         cortex-a75.
9668         * doc/invoke.texi (-mcpu): Document cortex-a55 and cortex-a75.
9669         * config/arm/arm-cpu-cdata.h: Regenerate.
9670         * config/arm/arm-cpu-data.h: Regenerate.
9671         * config/arm/arm-cpu.h: Regenerate.
9672         * config/arm/arm-tables.opt: Regenerate.
9673         * config/arm/arm-tune.md: Regenerate.
9674
9675 2017-07-04  Jan Hubicka  <hubicka@ucw.cz>
9676
9677         * haifa-sched.c (sched_create_recovery_edges): Update profile.
9678
9679 2017-07-04  Jan Hubicka  <hubicka@ucw.cz>
9680
9681         * bb-reorder.c (better_edge_p): Fix handling of uninitialized
9682         probability.
9683
9684 2017-07-04  Richard Sandiford  <richard.sandiford@linaro.org>
9685
9686         PR tree-optimization/81292
9687         * tree-ssa-strlen.c (handle_builtin_strlen): When setting
9688         full_string_p, also call adjust_related_strinfos if the adjustment
9689         is simple, otherwise invalidate related strinfos.
9690
9691 2017-07-04  Martin Liska  <mliska@suse.cz>
9692
9693         PR sanitizer/81040
9694         * sanopt.c (sanitize_rewrite_addressable_params): Mark the
9695         newly created variable as DECL_IGNORED_P.
9696
9697 2017-07-04  Martin Liska  <mliska@suse.cz>
9698
9699         PR ipa/81293
9700         * ipa-inline.c (inline_small_functions):
9701         Use xstrdup_for_dump.
9702
9703 2017-07-04  Tom de Vries  <tom@codesourcery.com>
9704
9705         * graph.c (draw_cfg_edges): Save and restore EDGE_DFS_BACK.
9706
9707 2017-07-03  Dominique d'Humieres  <dominiq@lps.ens.fr>
9708
9709         PR target/81033
9710         * config/darwin.c (darwin_function_switched_text_sections):
9711         Fix spaces.
9712
9713 2017-07-03  Jan Hubicka  <hubicka@ucw.cz>
9714
9715         * tree-vect-loop-manip.c (vect_do_peeling): Fix scaling up.
9716
9717 2017-07-03  Richard Earnshaw  <rearnsha@arm.com>
9718
9719         * doc/invoke.texi (ARM Options): Add -mbe8 and -mbe32 to option summary.
9720
9721 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
9722
9723         * tree-vect-loop.c (vect_analyze_loop_2): Treat min_scalar_loop_bound,
9724         min_profitable_iters, and th as inclusive lower bounds.
9725         Fix LOOP_VINFO_PEELING_FOR_GAPS condition.
9726         (vect_estimate_min_profitable_iters): Return inclusive lower bounds
9727         for min_profitable_iters and min_profitable_estimate.
9728         (vect_transform_loop): Treat th as an inclusive lower bound.
9729         * tree-vect-loop-manip.c (vect_loop_versioning): Likewise.
9730
9731 2017-07-03  Dominique d'Humieres  <dominiq@lps.ens.fr>
9732
9733         PR target/81033
9734         * config/darwin.c (darwin_function_switched_text_sections):
9735         Replace DECL_NAME with DECL_ASSEMBLER_NAME, split assemble_name_raw
9736         in two pieces, and suppress the use of buf.
9737
9738 2017-07-03  Nathan Sidwell  <nathan@acm.org>
9739
9740         * hash-table.h (hash_table_mod1): Fix indentation.
9741
9742 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
9743
9744         PR middle-end/81290
9745         * predict.c (force_edge_cold): Be more careful about propagation
9746         backward.
9747         * profile-count.h (profile_probability::guessed,
9748         profile_probability::fdo, profile_count::guessed, profile_count::fdo):
9749         New.
9750         * tree-ssa-threadupdate.c (recompute_probabilities): Result is guessed.
9751
9752 2017-07-03  James Greenhalgh  <james.greenhalgh@arm.com>
9753
9754         * doc/invoke.texi (rcpc architecture extension): Document it.
9755
9756 2017-07-03  Richard Biener  <rguenther@suse.de>
9757
9758         PR tree-optimization/60510
9759         * tree-vect-loop.c (vect_create_epilog_for_reduction): Pass in
9760         the scalar reduction PHI and use it.
9761         (vectorizable_reduction): Properly guard the single_defuse_cycle
9762         path for non-SLP reduction chains where we cannot use it.
9763         Rework reduc_def/index and vector type deduction.  Rework
9764         vector operand gathering during reduction op code-gen.
9765         * tree-vect-slp.c (vect_analyze_slp): For failed SLP reduction
9766         chains dissolve the chain and leave it to non-SLP reduction
9767         handling.
9768
9769 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
9770
9771         * tree-data-ref.h (dr_alignment): Declare.
9772         * tree-data-ref.c (dr_alignment): New function.
9773         * tree-vectorizer.h (dataref_aux): Remove base_element_aligned.
9774         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Don't
9775         set it.
9776         * tree-vect-stmts.c (vectorizable_store): Use dr_alignment.
9777
9778 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
9779
9780         * tree-data-ref.h (innermost_loop_behavior): Add base_alignment
9781         and base_misalignment fields.
9782         (DR_BASE_ALIGNMENT, DR_BASE_MISALIGNMENT): New macros.
9783         * tree-data-ref.c: Include builtins.h.
9784         (dr_analyze_innermost): Set up the new innmost_loop_behavior fields.
9785         * tree-vectorizer.h (STMT_VINFO_DR_BASE_ALIGNMENT): New macro.
9786         (STMT_VINFO_DR_BASE_MISALIGNMENT): Likewise.
9787         * tree-vect-data-refs.c: Include tree-cfg.h.
9788         (vect_compute_data_ref_alignment): Use the new innermost_loop_behavior
9789         fields instead of calculating an alignment here.
9790         (vect_analyze_data_refs): Use dr_analyze_innermost.  Dump the new
9791         innermost_loop_behavior fields.
9792
9793 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
9794
9795         * tree-data-ref.h (innermost_loop_behavior): Add a step_alignment
9796         field.
9797         (DR_STEP_ALIGNMENT): New macro.
9798         * tree-vectorizer.h (STMT_VINFO_DR_STEP_ALIGNMENT): Likewise.
9799         * tree-data-ref.c (dr_analyze_innermost): Initalize step_alignment.
9800         (create_data_ref): Print it.
9801         * tree-vect-stmts.c (vectorizable_load): Use the step alignment
9802         to tell whether the step preserves vector (mis)alignment.
9803         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Likewise.
9804         Move the check for an integer step and generalise to all INTEGER_CST.
9805         (vect_analyze_data_refs): Set DR_STEP_ALIGNMENT when setting DR_STEP.
9806         Print the outer step alignment.
9807
9808 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
9809
9810         * tree-data-ref.h (innermost_loop_behavior): Replace aligned_to
9811         with offset_alignment.
9812         (DR_ALIGNED_TO): Delete.
9813         (DR_OFFSET_ALIGNMENT): New macro.
9814         * tree-vectorizer.h (STMT_VINFO_DR_ALIGNED_TO): Delete.
9815         (STMT_VINFO_DR_OFFSET_ALIGNMENT): New macro.
9816         * tree-data-ref.c (dr_analyze_innermost): Update after above changes.
9817         (create_data_ref): Likewise.
9818         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Likewise.
9819         (vect_analyze_data_refs): Likewise.
9820         * tree-if-conv.c (if_convertible_loop_p_1): Use memset before
9821         creating dummy innermost behavior.
9822
9823 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
9824
9825         * tree-data-ref.h (dr_analyze_innermost): Replace the dr argument
9826         with a "innermost_loop_behavior *" and refeence tree.
9827         * tree-data-ref.c (dr_analyze_innermost): Likewise.
9828         (create_data_ref): Update call accordingly.
9829         * tree-predcom.c (find_looparound_phi): Likewise.
9830
9831 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
9832
9833         * tree-vectorizer.h (_stmt_vec_info): Replace individual dr_*
9834         fields with dr_wrt_vec_loop.
9835         (STMT_VINFO_DR_BASE_ADDRESS, STMT_VINFO_DR_INIT, STMT_VINFO_DR_OFFSET)
9836         (STMT_VINFO_DR_STEP, STMT_VINFO_DR_ALIGNED_TO): Update accordingly.
9837         (STMT_VINFO_DR_WRT_VEC_LOOP): New macro.
9838         (vect_dr_behavior): New function.
9839         (vect_create_addr_base_for_vector_ref): Remove loop parameter.
9840         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Use
9841         vect_dr_behavior.  Use a step_preserves_misalignment_p boolean to
9842         track whether the step preserves the misalignment.
9843         (vect_create_addr_base_for_vector_ref): Remove loop parameter.
9844         Use vect_dr_behavior.
9845         (vect_setup_realignment): Update call accordingly.
9846         (vect_create_data_ref_ptr): Likewise.  Use vect_dr_behavior.
9847         * tree-vect-loop-manip.c (vect_gen_prolog_loop_niters): Update
9848         call to vect_create_addr_base_for_vector_ref.
9849         (vect_create_cond_for_align_checks): Likewise.
9850         * tree-vect-patterns.c (vect_recog_bool_pattern): Copy
9851         STMT_VINFO_DR_WRT_VEC_LOOP as a block.
9852         (vect_recog_mask_conversion_pattern): Likewise.
9853         * tree-vect-stmts.c (compare_step_with_zero): Use vect_dr_behavior.
9854         (new_stmt_vec_info): Remove redundant zeroing.
9855
9856 2017-07-03  Richard Earnshaw  <rearnsha@arm.com>
9857
9858         * common/config/arm/arm-common.c (arm_be8_option): New function.
9859         * config/arm/arm-isa.h (isa_feature): Add new feature bit isa_bit_be8.
9860         (ISA_ARMv6): Add isa_bit_be8.
9861         * config/arm/arm.h (arm_be8_option): Add prototype.
9862         (BE8_SPEC_FUNCTION): New define.
9863         (EXTRA_SPEC_FUNCTIONS): Add BE8_SPEC_FUNCTION.
9864         * config/arm/arm.opt (mbig-endian): Mark as Negative of mlittle-endian.
9865         (mlittle-endian): Similarly.
9866         (mbe8, mbe32): New options.
9867         * config/arm/bpabi.h (BE8_LINK_SPEC): Call arm_be8_option.
9868         * doc/invoke.texi (ARM Options): Document -mbe8 and -mbe32.
9869
9870 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
9871
9872         * tree-cfg.c (gimple_find_sub_bbs): Fix profile updating.
9873
9874 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
9875
9876         * tree-cfgcleanup.c (want_merge_blocks_p): New function.
9877         (cleanup_tree_cfg_bb): Use it.
9878         * profile-count.h (profile_count::of_for_merging, profile_count::merge):
9879         New functions.
9880         * tree-cfg.c (gimple_merge_blocks): Use profile_count::merge.
9881
9882 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
9883
9884         PR bootstrap/81285
9885         * loop-doloop.c (add_test): Update profile.
9886
9887 2017-07-03  Martin Liska  <mliska@suse.cz>
9888
9889         PR sanitize/81040
9890         * sanopt.c (rewrite_usage_of_param): New function.
9891         (sanitize_rewrite_addressable_params): Likewise.
9892         (pass_sanopt::execute): Call rewrite_usage_of_param.
9893
9894 2017-07-03  Richard Biener  <rguenther@suse.de>
9895
9896         * tree-vect-loop.c (vect_create_epilog_for_reduction): Revert
9897         back to using VIEW_CONVERT_EXPR.
9898
9899 2017-07-03  Martin Liska  <mliska@suse.cz>
9900
9901         PR other/78366
9902         * doc/extend.texi: Document when a resolver function is
9903         generated for target_clones.
9904
9905 2017-07-03  Martin Liska  <mliska@suse.cz>
9906
9907         * asan.c (asan_emit_stack_protection): Unpoison just red zones
9908         and shadow memory of auto variables which are subject of
9909         use-after-scope sanitization.
9910         (asan_expand_mark_ifn): Add do set only when is_poison.
9911
9912 2016-07-03  Richard Biener  <rguenther@suse.de>
9913
9914         * tree-vect-loop.c (vect_analyze_loop_operations): Also analyze
9915         reduction PHIs.
9916         (vect_force_simple_reduction): Record reduction def -> phi mapping.
9917         (vectorizable_reduction): Perform reduction PHI creation when
9918         visiting a reduction PHI and adjust and simplify code generation
9919         phase of the reduction op.  Cache dts, use fold_binary, not fold_build2.
9920         (vect_transform_loop): Visit reduction PHIs.
9921         * tree-vect-slp.c (vect_get_and_check_slp_defs): Record reduction
9922         defs into the SLP tree.
9923         (vect_build_slp_tree): Reduction defs terminate the recursion.
9924         * tree-vect-stmts.c (vect_get_vec_def_for_operand_1): Allow lookup
9925         of reduction defs.
9926         (vect_get_vec_defs_for_stmt_copy): Export.
9927         (vect_get_vec_defs): Likewise.
9928         * tree-vectorizer.h (struct _stmt_vec_info): Amend reduc_def
9929         purpose.
9930         (vect_get_vec_defs_for_stmt_copy): Declare.
9931         (vect_get_vec_defs): Likewise.
9932
9933 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
9934
9935         * tree-data-ref.c (dr_analyze_innermost): Replace the "nest"
9936         parameter with a "loop" parameter and use it instead of the
9937         loop containing DR_STMT.  Don't check simple_iv when doing
9938         BB analysis.  Describe the two analysis modes in the comment.
9939
9940 2017-07-03  Tom de Vries  <tom@codesourcery.com>
9941
9942         PR tree-optimization/69468
9943         * tree-ssa-tail-merge.c (ignore_edge_flags): New constant.
9944         (find_same_succ_bb): Handle ignore_edge_flags.
9945
9946 2017-07-03  Tom de Vries  <tom@codesourcery.com>
9947
9948         PR tree-optimization/81192
9949         * tree-ssa-tail-merge.c (same_succ_hash): Use bb->loop_father->num in
9950         hash.
9951         (same_succ::equal): Don't find bbs to be equal if bb->loop_father
9952         differs.
9953         (find_same_succ_bb): Remove obsolete test on bb->loop_father->latch.
9954
9955 2017-07-03  Tom de Vries  <tom@codesourcery.com>
9956
9957         PR tree-optimization/81192
9958         * tree-ssa-tail-merge.c (same_succ_flush_bb): Handle
9959         BB_SAME_SUCC (bb) == NULL.
9960
9961 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
9962
9963         * cfgrtl.c (rtl_verify_edges): Enable checking of profile_probability
9964         consistency.
9965
9966 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
9967
9968         * dumpfile.c: Include profile-count.h
9969         * tree-cfg.c (gimple_duplicate_sese_tail): Drop UNUSED attributes;
9970         update profile.
9971         (insert_cond_bb): Update profile.
9972         * tree-cfg.h (insert_cond_bb): Update prototype.
9973         * tree-chkp-opt.c (chkp_optimize_string_function_calls): Update.
9974         * tree-dump.c: Do not include tree-cfg.
9975
9976 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
9977
9978         * bb-reorder.c (fix_up_crossing_landing_pad): Update profile.
9979
9980 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
9981
9982         * expect.c (dw2_build_landing_pads): Update profile of the landing pad
9983         bb.
9984
9985 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
9986
9987         * tree-complex.c (expand_complex_div_wide): update profile.
9988
9989 2017-07-02  Richard Sandiford  <richard.sandiford@linaro.org>
9990             Alan Hayward  <alan.hayward@arm.com>
9991             David Sherwood  <david.sherwood@arm.com>
9992
9993         * Makefile.in (MACHMODE_H): Remove insn-modes.h
9994         (CORETYPES_H): New define.
9995         (MOSTLYCLEANFILES): Add insn-modes-inline.h.
9996         (insn-modes-inline.h, s-modes-inline-h): New rules.
9997         (generated_files): Add insn-modes-inline.h.
9998         (RTL_BASE_H, TREE_CORE_H): Use CORETYPES_H instead of coretypes.h.
9999         (build/gensupport.o, build/ggc-none.o, build/print-rtl.o): Likewise.
10000         (build/read-md.o, build/read-rtl.o, build/rtl.o): Likewise.
10001         (build/vec.o, build/hash-table.o, build/inchash.o): Likewise.
10002         (build/gencondmd.o, build/genattr.o, build/genattr-common.o): Likewise.
10003         (build/genattrtab.o, build/genautomata.o, build/gencheck.o): Likewise.
10004         (build/gencodes.o, build/genconditions.o): Likewise.
10005         (build/genconfig.o, build/genconstants.o, build/genemit.o): Likewise.
10006         (build/genenums.o, build/genextract.o, build/genflags.o): Likewise.
10007         (build/gentarget-def.o, build/genmddeps.o, build/genopinit.o)
10008         (build/genoutput.o, build/genpeep.o, build/genpreds.o): Likewise.
10009         (build/genrecog.o, build/genmddump.o, build/genmatch.o): Likewise.
10010         (build/gencfn-macros.o, build/gcov-iov.o): Likewise.
10011         * coretypes.h: Include everything up to real.h for generators.
10012         Include insn-modes.h first.  Include wide-int-print.h after
10013         wide-int.h.  Include insn-modes-inline.h and then machmode.h.
10014         * machmode.h: Don't include insn-modes.h here.
10015         * function-tests.c: Remove includes of signop.h, machmode.h,
10016         double-int.h and wide-int.h.
10017         * rtl.h: Likewise.
10018         * gcc-rich-location.c: Remove includes of machmode.h, double-int.h
10019         and wide-int.h.
10020         * optc-save-gen.awk: Likewise.
10021         * gencheck.c (BITS_PER_UNIT): Delete dummy definition.
10022         * godump.c: Remove include of wide-int-print.h.
10023         * pretty-print.h: Likewise.
10024         * wide-int-print.cc: Likewise.
10025         * wide-int.cc: Likewise.
10026         * hash-map-tests.c: Remove include of signop.h.
10027         * hash-set-tests.c: Likewise.
10028         * rtl-tests.c: Likewise.
10029         * mkconfig.sh: Remove include of machmode.h.
10030         * genmodes.c (emit_insn_modes_h): Split emission of inline functions
10031         into...
10032         (emit_insn_modes_inline_h): ...this new function.  Emit the code
10033         into an insn-modes-inline.h header file, adding appropriate
10034         include guards and end comments.
10035         (emit_insn_modes_c_header): Remove include of machmode.h.
10036         (emit_min_insn_modes_c_header): Include coretypes.h rather than
10037         machmode.h.
10038         (main): Handle -i flag and call emit_insn_modes_inline_h when
10039         it is passed.
10040
10041 2017-07-02  Richard Sandiford  <richard.sandiford@linaro.org>
10042
10043         * tree-ssa-strlen.c (strinfo): Rename the length field to
10044         nonzero_chars.  Add a full_string_p field.
10045         (compare_nonzero_chars, zero_length_string_p): New functions.
10046         (get_addr_stridx): Add an offset_out parameter.
10047         Use compare_nonzero_chars.
10048         (get_stridx): Update accordingly.  Use compare_nonzero_chars.
10049         (new_strinfo): Update after above changes to strinfo.
10050         (set_endptr_and_length): Set full_string_p.
10051         (get_string_length): Update after above changes to strinfo.
10052         (unshare_strinfo): Update call to new_strinfo.
10053         (maybe_invalidate): Likewise.
10054         (get_stridx_plus_constant): Change off to unsigned HOST_WIDE_INT.
10055         Use compare_nonzero_chars and zero_string_p.  Treat nonzero_chars
10056         as a uhwi instead of an shwi.  Update after above changes to
10057         strinfo and new_strinfo.
10058         (zero_length_string): Assert that chainsi contains full strings.
10059         Use zero_length_string_p.  Update call to new_strinfo.
10060         (adjust_related_strinfos): Update after above changes to strinfo.
10061         Copy full_string_p from origsi.
10062         (adjust_last_stmt): Use zero_length_string_p.
10063         (handle_builtin_strlen): Update after above changes to strinfo and
10064         new_strinfo.  Install the lhs as the string length if the previous
10065         entry didn't describe a full string.
10066         (handle_builtin_strchr): Update after above changes to strinfo
10067         and new_strinfo.
10068         (handle_builtin_strcpy): Likewise.
10069         (handle_builtin_strcat): Likewise.
10070         (handle_builtin_malloc): Likewise.
10071         (handle_pointer_plus): Likewise.
10072         (handle_builtin_memcpy): Likewise.  Track nonzero characters
10073         that aren't necessarily followed by a nul terminator.
10074         (handle_char_store): Likewise.
10075
10076 2017-07-02  Richard Sandiford  <richard.sandiford@linaro.org>
10077
10078         PR tree-optimization/80769
10079         * tree-ssa-strlen.c (strinfo): Document that "stmt" is also used
10080         for malloc and calloc.  Document the new invariant that all related
10081         strinfos have delayed lengths or none do.
10082         (verify_related_strinfos): Move earlier in file.
10083         (set_endptr_and_length): New function, split out from...
10084         (get_string_length): ...here.  Also set the lengths of related
10085         strinfos.
10086         (zero_length_string): Assert that chainsi has known (rather than
10087         delayed) lengths.
10088         (adjust_related_strinfos): Likewise.
10089
10090 2017-07-02  Richard Sandiford  <richard.sandiford@linaro.org>
10091
10092         PR tree-optimization/81136
10093         * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Only
10094         assert that two references with the same misalignment have the same
10095         compile-time misalignment if those compile-time misalignments
10096         are known.
10097
10098 2017-07-01  Andi Kleen  <ak@linux.intel.com>
10099
10100         * print-tree.c (print_node): Print all attributes.
10101
10102 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
10103
10104         * cfg.c (scale_bbs_frequencies): New function.
10105         * cfg.h (scale_bbs_frequencies): Declare it.
10106         * cfgloopanal.c (single_likely_exit): Cleanup.
10107         * cfgloopmanip.c (scale_loop_frequencies): Take profile_probability
10108         as parameter.
10109         (scale_loop_profile): Likewise.
10110         (loop_version): Likewise.
10111         (create_empty_loop_on_edge): Update.
10112         * cfgloopmanip.h (scale_loop_frequencies, scale_loop_profile,
10113         scale_loop_frequencies, scale_loop_profile, loopify,
10114         loop_version): Update prototypes.
10115         * modulo-sched.c (sms_schedule): Update.
10116         * predict.c (unlikely_executed_edge_p): Also check probability.
10117         (probably_never_executed_edge_p): Fix typo.
10118         * tree-if-conv.c (version_loop_for_if_conversion): Update.
10119         * tree-parloops.c (gen_parallel_loop): Update.
10120         * tree-ssa-loop-ivcanon.c (try_peel_loop): Update.
10121         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update.
10122         * tree-ssa-loop-split.c (split_loop): Update.
10123         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Update.
10124         * tree-vect-loop-manip.c (vect_do_peeling): Update.
10125         (vect_loop_versioning): Update.
10126         * tree-vect-loop.c (scale_profile_for_vect_loop): Update.
10127
10128 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
10129
10130         * trans-mem.c (split_bb_make_tm_edge): Update profile.
10131
10132 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
10133
10134         * tree-if-conv.c (combine_blocks): Use make_single_succ_edge
10135         to keep profile consistent.
10136
10137 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
10138
10139         * cfgrtl.c (rtl_flow_call_edges_add): Update profile.
10140         * tree-cfg.c (gimple_flow_call_edges_add): Likewise.
10141         * profile-count.h (max_safe_multiplier): Make unsigned.
10142         (profile_count::guessed_zero): New.
10143
10144 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
10145
10146         * bb-reorder.c (fix_up_crossing_landing_pad,
10147         fix_crossing_conditional_branches): Use make_single_succ_edge
10148         to keep profile consistent.
10149
10150 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
10151
10152         * tree-vect-loop.c (optimize_mask_stores): Use make_single_succ_edge
10153         to update profile.
10154
10155 2017-07-01  Jakub Jelinek  <jakub@redhat.com>
10156
10157         PR sanitizer/81262
10158         * bb-reorder.c (fix_up_fall_thru_edges): Move variable declarations to
10159         the right scopes, make sure cond_jump isn't preserved between multiple
10160         iterations.  Search for fallthru edge whenever there are 3+ edges and
10161         use find_fallthru_edge for it.
10162
10163 2017-06-29  Jan Hubicka  <hubicka@ucw.cz>
10164
10165         Patch by Alexander Monakov <amonakov@ispras.ru>
10166         * sel-sched-ir.c (compute_succs_info): Handle uninitialized
10167         probabilities consistently.
10168
10169 2017-06-29  Jan Hubicka  <hubicka@ucw.cz>
10170
10171         * pa.c (pa_expand_compare_and_swap_loop): Update call of
10172         emit_cmp_and_jump_insns.
10173
10174 2017-06-29  Jan Hubicka  <hubicka@ucw.cz>
10175
10176         PR ipa/81261
10177         * tree-inline.c (expand_call_inline): Combine profile statuses.
10178
10179 2017-06-30  Andrew Pinski  <apinski@cavium.com>
10180
10181         * tree-if-conv.c (predicate_scalar_phi): Update new_stmt if
10182         fold_stmt returned true.
10183
10184 2017-06-30  Nathan Sidwell  <nathan@acm.org>
10185
10186         * ggc.h (empty_string): Delete.
10187         * cfgexpand.c (expand_asm_stmt): Use plain "".
10188         * optabs.c (expand_asm_memory_barrier): Likewise.
10189         * stringpool.c (empty_string): Delete.
10190         (digit_vector, digit_string): Delete.
10191         (ggc_alloc_string): Use plain "", don't optimize single digit
10192         strings.  Use ggc_alloc_atomic.
10193
10194 2017-06-30  Richard Earnshaw  <rearnsha@arm.com>
10195
10196         * rtlanal.c (insn_rtx_cost): If a parallel contains exactly one
10197         comparison set and one other set, use the cost of the non-comparison
10198         set.
10199
10200 2017-06-30  Nathan Sidwell  <nathan@acm.org>
10201
10202         * ggc.h: Replace all 'static inline' with plain 'inline'.  Fix
10203         some formatting.
10204
10205 2017-06-30  Peter Bergner  <bergner@vnet.ibm.com>
10206
10207         * tree-cfg.c (group_case_labels_stmt): Merge scanning and compressing
10208         loops.  Remove now unneeded calls to gimple_switch_set_label() that
10209         just set removed labels to NULL_TREE.
10210
10211 2017-06-30  Aldy Hernandez  <aldyh@redhat.com>
10212
10213         * tree-ssanames.c (set_range_info_raw): Abstract from ...
10214         (set_range_info): ...here.  Only call set_range_info_raw if domain
10215         is useful.
10216         (set_nonzero_bits): Call set_range_info_raw.
10217         * tree-ssanames.h (set_range_info_raw): New.
10218
10219 2017-06-30  Jakub Jelinek  <jakub@redhat.com>
10220
10221         PR target/81225
10222         * config/i386/sse.md (vec_extract_lo_<mode><mask_name>): For V8FI,
10223         V16FI and VI8F_256 iterators, use <store_mask_predicate> instead
10224         of nonimmediate_operand and <store_mask_constraint> instead of m
10225         for the input operand.  For V8FI iterator, always split if input
10226         is a MEM.  For V16FI and V8SF_256 iterators, don't test if both
10227         operands are MEM if <mask_applied>.  For VI4F_256 iterator, use
10228         <store_mask_predicate> instead of register_operand and
10229         <store_mask_constraint> instead of v for the input operand.  Make
10230         sure both operands aren't MEMs for if not <mask_applied>.
10231
10232 2017-06-30  Sylvestre Ledru  <sylvestre@debian.org>
10233
10234         * lto-wrapper.c (copy_file) Close both file descriptors before
10235         exiting normally.
10236
10237 2017-06-30  Martin Liska  <mliska@suse.cz>
10238
10239         PR ipa/81214
10240         * multiple_target.c (create_dispatcher_calls): Make ifunc
10241         also for function that don't have calls or are not referenced.
10242
10243 2017-06-30  Richard Biener  <rguenther@suse.de>
10244
10245         * tree-vect-slp.c (vect_slp_analyze_node_operations): Only
10246         analyze the first scalar stmt.  Move vector type computation
10247         for the BB case here from ...
10248         * tree-vect-stmts.c (vect_analyze_stmt): ... here.  Guard
10249         live operation processing in the SLP case properly.
10250
10251 2017-06-30  Richard Biener  <rguenther@suse.de>
10252
10253         * graph.c (draw_cfg_node_succ_edges): Fix broken dot syntax.
10254
10255 2017-06-30  Martin Liska  <mliska@suse.cz>
10256
10257         PR sanitizer/81021
10258         * tree-eh.c (lower_resx): Call BUILT_IN_ASAN_HANDLE_NO_RETURN
10259         before BUILT_IN_UNWIND_RESUME when ASAN is used.
10260
10261 2017-06-30  Yvan Roux  <yvan.roux@linaro.org>
10262
10263         * doc/invoke.texi (AArch64): Add missing options and remove redundant
10264         ones.
10265
10266 2017-06-30  Richard Biener  <rguenther@suse.de>
10267
10268         PR tree-optimization/81249
10269         * tree-vect-loop.c (vect_create_epilog_for_reduction): Convert
10270         condition reduction result to original scalar type.
10271
10272 2017-06-30  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10273
10274         * profile-count.h (enum profile_quality): Fix typos and whitespace
10275         issues.
10276
10277 2017-06-30  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10278
10279         * config/s390/s390.c (s390_expand_setmem): Adjust to the new data
10280         type for branch probabilities.
10281
10282 2017-06-29  Julian Brown  <julian@codesourcery.com>
10283             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
10284
10285         * config/aarch64/aarch64-fusion-pairs.def: Add ALU_BRANCH entry.
10286         * config/aarch64/aarch64.c (AARCH64_FUSE_ALU_BRANCH): New fusion type.
10287         (thunderx2t99_tunings): Set AARCH64_FUSE_ALU_BRANCH flag.
10288         (aarch_macro_fusion_pair_p): Add support for AARCH64_FUSE_ALU_BRANCH.
10289
10290 2017-06-29  Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
10291
10292         * config/aarch64/aarch64.c (aarch_macro_fusion_pair_p): Push the
10293         check for CC usage into AARCH64_FUSE_CMP_BRANCH.
10294         * config/i386/i386.c (ix86_macro_fusion_pair_p): Push the check for
10295         CC usage from generic code to here.
10296         * sched-deps.c (sched_macro_fuse_insns): Move the condition for
10297         CC usage into the target macros.
10298
10299 2017-06-29  Maya Rashish  <coypu@sdf.org>
10300
10301         * config/netbsd.h (NETBSD_LIB_SPEC): Add -lc when creating shared
10302         objects.
10303
10304 2017-06-29  Jan Hubicka  <hubicka@ucw.cz>
10305
10306         * arm/arm-builtins.c: Include profile-count.h
10307         * except.c (sjlj_emit_function_enter): Use
10308         profile_probability::unlikely.
10309
10310 2017-06-29  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
10311
10312         * config/rs6000/rs6000.c (toc_relative_expr_p): Make tocrel_base
10313         and tocrel_offset be pointer args rather than implicitly using
10314         static versions.
10315         (legitimate_constant_pool_address_p, rs6000_emit_move,
10316         const_load_sequence_p, adjust_vperm): Add local tocrel_base and
10317         tocrel_offset and use in toc_relative_expr_p call.
10318         (print_operand, print_operand_address): Use static tocrel_base_oac
10319         and tocrel_offset_oac.
10320         (rs6000_output_addr_const_extra): Use static tocrel_base_oac and
10321         tocrel_offset_oac.
10322
10323 2017-06-29  Maya Rashish  <coypu@sdf.org>
10324
10325         * config/vax/builtins.md (ffssi2_internal): Correct constraint.
10326
10327 2017-06-29  Eric Botcazou  <ebotcazou@adacore.com>
10328
10329         * expr.c (expand_expr) <normal_inner_ref>: When testing for unaligned
10330         objects, take into account only the alignment of 'op0' and 'mode1' if
10331         'op0' is a MEM.
10332
10333 2017-06-29  Steve Ellcey  <sellcey@cavium.com>
10334
10335         * ccmp.c (ccmp_tree_comparison_p): New function.
10336         (ccmp_candidate_p): Update to use above function.
10337         (get_compare_parts): New function.
10338         (expand_ccmp_next): Update to use new functions.
10339         (expand_ccmp_expr_1): Take tree arg instead of gimple, update to use
10340         new functions.
10341         (expand_ccmp_expr): Pass tree instead of gimple to expand_ccmp_expr_1,
10342         take mode as argument.
10343         * ccmp.h (expand_ccmp_expr): Add mode as argument.
10344         * expr.c (expand_expr_real_1): Pass mode as argument.
10345
10346 2017-06-29  Segher Boessenkool  <segher@kernel.crashing.org>
10347
10348         * combine.c (combine_instructions): Print insns to dump_file, together
10349         with their costs.
10350
10351 2017-06-29  Jan Hubicka  <hubicka@ucw.cz>
10352
10353         * asan.c (asan_emit_stack_protection): Update.
10354         (create_cond_insert_point): Update.
10355         * auto-profile.c (afdo_propagate_circuit): Update.
10356         * basic-block.h (struct edge_def): Turn probability to
10357         profile_probability.
10358         (EDGE_FREQUENCY): Update.
10359         * bb-reorder.c (find_traces_1_round): Update.
10360         (better_edge_p): Update.
10361         (sanitize_hot_paths): Update.
10362         * cfg.c (unchecked_make_edge): Initialize probability to uninitialized.
10363         (make_single_succ_edge): Update.
10364         (check_bb_profile): Update.
10365         (dump_edge_info): Update.
10366         (update_bb_profile_for_threading): Update.
10367         * cfganal.c (connect_infinite_loops_to_exit): Initialize new edge
10368         probabilitycount to 0.
10369         * cfgbuild.c (compute_outgoing_frequencies): Update.
10370         * cfgcleanup.c (try_forward_edges): Update.
10371         (outgoing_edges_match): Update.
10372         (try_crossjump_to_edge): Update.
10373         * cfgexpand.c (expand_gimple_cond): Update make_single_succ_edge.
10374         (expand_gimple_tailcall): Update.
10375         (construct_init_block): Use make_single_succ_edge.
10376         (construct_exit_block): Use make_single_succ_edge.
10377         * cfghooks.c (verify_flow_info): Update.
10378         (redirect_edge_succ_nodup): Update.
10379         (split_edge): Update.
10380         (account_profile_record): Update.
10381         * cfgloopanal.c (single_likely_exit): Update.
10382         * cfgloopmanip.c (scale_loop_profile): Update.
10383         (set_zero_probability): Remove.
10384         (duplicate_loop_to_header_edge): Update.
10385         * cfgloopmanip.h (loop_version): Update prototype.
10386         * cfgrtl.c (try_redirect_by_replacing_jump): Update.
10387         (force_nonfallthru_and_redirect): Update.
10388         (update_br_prob_note): Update.
10389         (rtl_verify_edges): Update.
10390         (purge_dead_edges): Update.
10391         (rtl_lv_add_condition_to_bb): Update.
10392         * cgraph.c: (cgraph_edge::redirect_call_stmt_to_calle): Update.
10393         * cgraphunit.c (init_lowered_empty_function): Update.
10394         (cgraph_node::expand_thunk): Update.
10395         * cilk-common.c: Include profile-count.h
10396         * dojump.c (inv): Remove.
10397         (jumpifnot): Update.
10398         (jumpifnot_1): Update.
10399         (do_jump_1): Update.
10400         (do_jump): Update.
10401         (do_jump_by_parts_greater_rtx): Update.
10402         (do_compare_rtx_and_jump): Update.
10403         * dojump.h (jumpifnot, jumpifnot_1, jumpif_1, jumpif, do_jump,
10404         do_jump_1. do_compare_rtx_and_jump): Update prototype.
10405         * dwarf2cfi.c: Include profile-count.h
10406         * except.c (dw2_build_landing_pads): Use make_single_succ_edge.
10407         (sjlj_emit_dispatch_table): Likewise.
10408         * explow.c: Include profile-count.h
10409         * expmed.c (emit_store_flag_force): Update.
10410         (do_cmp_and_jump): Update.
10411         * expr.c (compare_by_pieces_d::generate): Update.
10412         (compare_by_pieces_d::finish_mode): Update.
10413         (emit_block_move_via_loop): Update.
10414         (store_expr_with_bounds): Update.
10415         (store_constructor): Update.
10416         (expand_expr_real_2): Update.
10417         (expand_expr_real_1): Update.
10418         * expr.h (try_casesi, try_tablejump): Update prototypes.
10419         * gimple-pretty-print.c (dump_probability): Update.
10420         (dump_profile): New.
10421         (dump_gimple_label): Update.
10422         (dump_gimple_bb_header): Update.
10423         * graph.c (draw_cfg_node_succ_edges): Update.
10424         * hsa-gen.c (convert_switch_statements): Update.
10425         * ifcvt.c (cheap_bb_rtx_cost_p): Update.
10426         (find_if_case_1): Update.
10427         (find_if_case_2): Update.
10428         * internal-fn.c (expand_arith_overflow_result_store): Update.
10429         (expand_addsub_overflow): Update.
10430         (expand_neg_overflow): Update.
10431         (expand_mul_overflow): Update.
10432         (expand_vector_ubsan_overflow): Update.
10433         * ipa-cp.c (good_cloning_opportunity_p): Update.
10434         * ipa-split.c (split_function): Use make_single_succ_edge.
10435         * ipa-utils.c (ipa_merge_profiles): Update.
10436         * loop-doloop.c (add_test): Update.
10437         (doloop_modify): Update.
10438         * loop-unroll.c (compare_and_jump_seq): Update.
10439         (unroll_loop_runtime_iterations): Update.
10440         * lra-constraints.c (lra_inheritance): Update.
10441         * lto-streamer-in.c (input_cfg): Update.
10442         * lto-streamer-out.c (output_cfg): Update.
10443         * mcf.c (adjust_cfg_counts): Update.
10444         * modulo-sched.c (sms_schedule): Update.
10445         * omp-expand.c (expand_omp_for_init_counts): Update.
10446         (extract_omp_for_update_vars): Update.
10447         (expand_omp_ordered_sink): Update.
10448         (expand_omp_for_ordered_loops): Update.
10449         (expand_omp_for_generic): Update.
10450         (expand_omp_for_static_nochunk): Update.
10451         (expand_omp_for_static_chunk): Update.
10452         (expand_cilk_for): Update.
10453         (expand_omp_simd): Update.
10454         (expand_omp_taskloop_for_outer): Update.
10455         (expand_omp_taskloop_for_inner): Update.
10456         * omp-simd-clone.c (simd_clone_adjust): Update.
10457         * optabs.c (expand_doubleword_shift): Update.
10458         (expand_abs): Update.
10459         (emit_cmp_and_jump_insn_1): Update.
10460         (expand_compare_and_swap_loop): Update.
10461         * optabs.h (emit_cmp_and_jump_insns): Update prototype.
10462         * predict.c (predictable_edge_p): Update.
10463         (edge_probability_reliable_p): Update.
10464         (set_even_probabilities): Update.
10465         (combine_predictions_for_insn): Update.
10466         (combine_predictions_for_bb): Update.
10467         (propagate_freq): Update.
10468         (estimate_bb_frequencies): Update.
10469         (force_edge_cold): Update.
10470         * profile-count.c (profile_count::dump): Add missing space into dump.
10471         (profile_count::debug): Add newline.
10472         (profile_count::differs_from_p): Explicitly convert to unsigned.
10473         (profile_count::stream_in): Update.
10474         (profile_probability::dump): New member function.
10475         (profile_probability::debug): New member function.
10476         (profile_probability::differs_from_p): New member function.
10477         (profile_probability::differs_lot_from_p): New member function.
10478         (profile_probability::stream_in): New member function.
10479         (profile_probability::stream_out): New member function.
10480         * profile-count.h (profile_count_quality): Rename to ...
10481         (profile_quality): ... this one.
10482         (profile_probability): New.
10483         (profile_count): Update.
10484         * profile.c (compute_branch_probabilities): Update.
10485         * recog.c (peep2_attempt): Update.
10486         * sched-ebb.c (schedule_ebbs): Update.
10487         * sched-rgn.c (find_single_block_region): Update.
10488         (compute_dom_prob_ps): Update.
10489         (schedule_region): Update.
10490         * sel-sched-ir.c (compute_succs_info): Update.
10491         * stmt.c (struct case_node): Update.
10492         (do_jump_if_equal): Update.
10493         (get_outgoing_edge_probs): Update.
10494         (conditional_probability): Update.
10495         (emit_case_dispatch_table): Update.
10496         (expand_case): Update.
10497         (expand_sjlj_dispatch_table): Update.
10498         (emit_case_nodes): Update.
10499         * targhooks.c: Update.
10500         * tracer.c (better_p): Update.
10501         (find_best_successor): Update.
10502         * trans-mem.c (expand_transaction): Update.
10503         * tree-call-cdce.c: Update.
10504         * tree-cfg.c (gimple_split_edge): Upate.
10505         (move_sese_region_to_fn): Upate.
10506         * tree-cfgcleanup.c (cleanup_control_expr_graph): Upate.
10507         * tree-eh.c (lower_resx): Upate.
10508         (cleanup_empty_eh_move_lp): Upate.
10509         * tree-if-conv.c (version_loop_for_if_conversion): Update.
10510         * tree-inline.c (copy_edges_for_bb): Update.
10511         (copy_cfg_body): Update.
10512         * tree-parloops.c (gen_parallel_loop): Update.
10513         * tree-profile.c (gimple_gen_ic_func_profiler): Update.
10514         (gimple_gen_time_profiler): Update.
10515         * tree-ssa-dce.c (remove_dead_stmt): Update.
10516         * tree-ssa-ifcombine.c (update_profile_after_ifcombine): Update.
10517         * tree-ssa-loop-im.c (execute_sm_if_changed): Update.
10518         * tree-ssa-loop-ivcanon.c (remove_exits_and_undefined_stmts): Update.
10519         (unloop_loops): Update.
10520         (try_peel_loop): Update.
10521         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update.
10522         * tree-ssa-loop-split.c (connect_loops): Update.
10523         (split_loop): Update.
10524         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Update.
10525         (hoist_guard): Update.
10526         * tree-ssa-phionlycprop.c (propagate_rhs_into_lhs): Update.
10527         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Update.
10528         (value_replacement): Update.
10529         * tree-ssa-reassoc.c (branch_fixup): Update.
10530         * tree-ssa-tail-merge.c (replace_block_by): Update.
10531         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Update.
10532         (create_edge_and_update_destination_phis): Update.
10533         (compute_path_counts): Update.
10534         (recompute_probabilities): Update.
10535         (update_joiner_offpath_counts): Update.
10536         (freqs_to_counts_path): Update.
10537         (duplicate_thread_path): Update.
10538         * tree-switch-conversion.c (hoist_edge_and_branch_if_true): Update.
10539         (struct switch_conv_info): Update.
10540         (gen_inbound_check): Update.
10541         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Update.
10542         (vect_do_peeling): Update.
10543         (vect_loop_versioning): Update.
10544         * tree-vect-loop.c (scale_profile_for_vect_loop): Update.
10545         (optimize_mask_stores): Update.
10546         * ubsan.c (ubsan_expand_null_ifn): Update.
10547         * value-prof.c (gimple_divmod_fixed_value): Update.
10548         (gimple_divmod_fixed_value_transform): Update.
10549         (gimple_mod_pow2): Update.
10550         (gimple_mod_pow2_value_transform): Update.
10551         (gimple_mod_subtract): Update.
10552         (gimple_mod_subtract_transform): Update.
10553         (gimple_ic): Update.
10554         (gimple_stringop_fixed_value): Update.
10555         (gimple_stringops_transform): Update.
10556         * value-prof.h: Update.
10557
10558 2017-06-29  Carl Love  <cel@us.ibm.com>
10559
10560         * config/rs6000/rs6000-c.c: Add support for built-in functions
10561         vector signed int vec_signed (vector float);
10562         vector signed long long vec_signed (vector double);
10563         vector signed int vec_signed2 (vector double, vector double);
10564         vector signed int vec_signede (vector double);
10565         vector signed int vec_signedo (vector double);
10566         * config/rs6000/rs6000.c (rs6000_generate_vsigned2_code): Add
10567         instruction generator.
10568         * config/rs6000/vsx.md (UNSPEC_VSX_XVCVSPSXWS, UNSPEC_VSX_XVCVSPSXDS,
10569         UNSPEC_VSX_VSIGNED2): Add UNSPECS.
10570         (vsx_xvcvspsxws, vsx_xvcvdpuxds_scale, vsx_xvcvspuxws, vsigned2_v2df):
10571         Add define_insn.
10572         (vsignedo_v2df, vsignede_v2df, vunsigned2_v2df, vunsignedo_v2df,
10573         vunsignede_v2df): Add define_expands.
10574         * config/rs6000/rs6000-builtin.def (VEC_SIGNED, VEC_UNSIGNED,
10575         VEC_SIGNED2, VEC_UNSIGNED2, VEC_SIGNEDE, VEC_UNSIGNEDE, VEC_SIGNEDO,
10576         VEC_UNSIGNEDO): Add definitions.
10577         * config/vsx.md (UNSPEC_VSX_XVCVSPSXWS, UNSPEC_VSX_XVCVSPSXDS,
10578         UNSPEC_VSX_VSIGNED2): Add UNSPECs.
10579         (vsx_xvcvspsxws, vsx_xvcvspuxws): Add define_insn.
10580         (vsigned2_v2df, vsigendo_v2df, vsignede_v2df,
10581         vunsigned2_v2df, vunsignedo_v2df, vunsignede_v2df): Add define_expands.
10582         * config/rs6000/altivec.h (vec_signed, vec_signed2,
10583         vec_signede and vec_signedo, vec_unsigned, vec_unsigned2,
10584         vec_unsignede, vec_unsignedo): Add builtin defines.
10585         * config/rs6000-protos.h (rs6000_generate_vsigned2_code): Add extern
10586         declaration.
10587         * doc/extend.texi: Update the built-in documentation file for the
10588         new built-in functions.
10589
10590 2017-06-29  Richard Biener  <rguenther@suse.de>
10591
10592         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Do not add
10593         reduction chains to LOOP_VINFO_REDUCTIONS.
10594         * tree-vect-slp.c (vect_analyze_slp): Continue looking for
10595         SLP reductions after processing reduction chains.
10596
10597 2017-06-29  Nathan Sidwell  <nathan@acm.org>
10598
10599         * builtins.c (fold_builtin_FUNCTION): Use
10600         lang_hooks.decl_printable_name.
10601
10602 2017-06-29  Peter Bergner  <bergner@vnet.ibm.com>
10603
10604         PR middle-end/81194
10605         * cfgexpand.c (expand_gimple_stmt_1): Handle switch statements
10606         with only one label.
10607         * stmt.c (expand_case): Assert NCASES is greater than one.
10608
10609 2017-06-29  Richard Biener  <rguenther@suse.de>
10610
10611         * tree-cfg.c (group_case_labels_stmt): Return whether we changed
10612         anything.
10613         (group_case_labels): Likewise.
10614         (find_taken_edge): Push sanity checking on val to workers...
10615         (find_taken_edge_cond_expr): ... here
10616         (find_taken_edge_switch_expr): ... and here, handle cases
10617         with just a default label.
10618         * tree-cfg.h (group_case_labels_stmt): Adjust prototype.
10619         (group_case_labels): Likewise.
10620         * tree-cfgcleanup.c (execute_cleanup_cfg_post_optimizing): When
10621         group_case_labels does anything cleanup the CFG again.
10622
10623 2017-06-29  Bin Cheng  <bin.cheng@arm.com>
10624
10625         PR tree-optimization/81196
10626         * tree-ssa-loop-niter.c (number_of_iterations_cond): Handle loop
10627         exit condition comparing two IVs.
10628
10629 2017-06-29  Richard Earnshaw  <rearnsha@arm.com>
10630
10631         * config/arm/parsecpu.awk (gen_comm_data): Add initializer for
10632         profile to the dummy entry at the end of the list of architectures.
10633         * config/arm/arm-cpu-cdata.h: Regenerated.
10634
10635 2017-06-29  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10636             Michael Collison <michael.collison@arm.com>
10637
10638         PR target/70119
10639         * config/aarch64/aarch64.md (*aarch64_<optab>_reg_<mode>3_mask1):
10640         New pattern.
10641         (*aarch64_reg_<mode>3_neg_mask2): New pattern.
10642         (*aarch64_reg_<mode>3_minus_mask): New pattern.
10643         (*aarch64_<optab>_reg_di3_mask2): New pattern.
10644         * config/aarch64/aarch64.c (aarch64_rtx_costs): Account for cost
10645         of shift when the shift amount is masked with constant equal to
10646         the size of the mode.
10647         * config/aarch64/predicates.md (subreg_lowpart_operator): New
10648         predicate.
10649
10650 2017-06-29  Martin Liska  <mliska@suse.cz>
10651
10652         * config/i386/i386.opt: Change range from [1,5] to [0,5].
10653
10654 2017-06-29  Yury Gribov  <tetra2005@gmail.com>
10655
10656         PR bootstrap/80565
10657         * ipa-cp.c (allocate_and_init_ipcp_value): Add initialization
10658         code.
10659         * ipa-inline.h
10660         (edge_growth_cache_entry::edge_growth_cache_entry): New
10661         function.
10662         (reset_edge_growth_cache): Update to use constructor.
10663
10664 2017-06-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
10665
10666         * config/aarch64/aarch64.h (AARCH64_EXPAND_ALIGNMENT): New.
10667         (DATA_ALIGNMENT): Update to use AARCH64_EXPAND_ALIGNMENT.
10668         (LOCAL_ALIGNMENT): Update to use AARCH64_EXPAND_ALIGNMENT.
10669
10670 2017-06-28  Sebastian Peryt  <sebastian.peryt@intel.com>
10671
10672         * config/i386/avx512vlintrin.h (_mm256_permutexvar_epi64)
10673         (_mm256_permutexvar_epi32, _mm256_permutex_epi64): New intrinsics.
10674
10675 2017-06-28  Szabolcs Nagy  <szabolcs.nagy@arm.com>
10676
10677         * config.gcc (*-linux-musl*): Add t-musl tmake_file.
10678         (*-linux-uclibc*): Add t-uclibc tmake_file.
10679         * config/t-musl: New.
10680         * config/t-uclibc: New.
10681
10682 2017-06-28  Richard Earnshaw  <rearnsha@arm.com>
10683
10684         * config/arm/parsecpu.awk (profile): Parse new keyword in an arch
10685         context.
10686         (gen_comm_data): Emit architectural setting of arch_prof.
10687         * config/arm/arm-cpus.in (armv6-m, armv6s-m, armv7-a, armv7ve): Set the
10688         profile.
10689         (armv7-r, armv7-m, armv7e-m, armv8-a, armv8.1-a, armv8.2-a): Likewise.
10690         (armv8-m.base, armv8-m.main): Likewise.
10691         * arm-protos.h (arm_build_target): Add profile field.
10692         (arch_option): Likewise.
10693         * config/arm/arm.c (arm_configure_build_target): Copy the profile to
10694         the active target.
10695         * config/arm/arm.h (TARGET_ARM_ARCH_PROFILE): Use
10696         arm_active_target.profile.
10697
10698 2017-06-28  Richard Biener  <rguenther@suse.de>
10699
10700         PR middle-end/81227
10701         * fold-const.c (negate_expr_p): Use TYPE_UNSIGNED, not
10702         TYPE_OVERFLOW_WRAPS.
10703         * match.pd (negate_expr_p): Likewise.
10704         * tree-ssa-reassoc.c (optimize_range_tests_diff): Use
10705         fold_build2, not fold_binary.
10706
10707 2017-06-28  Wilco Dijkstra  <wdijkstr@arm.com>
10708
10709         * config/aarch64/aarch64 (aarch64_expand_mov_immediate):
10710         Convert memory address to Pmode.
10711         (aarch64_print_operand): Assert MEM operands are always Pmode.
10712
10713 2017-06-28  Wilco Dijkstra  <wdijkstr@arm.com>
10714
10715         PR target/79665
10716         * config/arm/aarch-common.c (arm_no_early_alu_shift_dep):
10717         Remove redundant if.
10718         (aarch_forward_to_shift_is_not_shifted_reg): Remove.
10719         * config/arm/aarch-common-protos.h
10720         (aarch_forward_to_shift_is_not_shifted_re): Remove.
10721         * config/arm/cortex-a53.md: Use arm_no_early_alu_shift_dep in bypass.
10722
10723 2017-06-28  Michael Meissner  <meissner@linux.vnet.ibm.com>
10724
10725         PR ipa/81238
10726         * multiple_target.c (create_dispatcher_calls): Set the default
10727         clone to be static, not public.
10728
10729 2017-06-28  Richard Biener  <rguenther@suse.de>
10730
10731         * tree-vect-loop.c (vectorizable_reduction): Move special
10732         cond reduction IV var creation ...
10733         (vect_create_epilog_for_reduction): ... here.  Remove induction_index
10734         parameter.  Use STMT_VINFO_VECTYPE.
10735         * tree-vect-slp.c (vect_get_constant_vectors): Properly reset
10736         constant_p.
10737
10738 2017-06-28  Martin Liska  <mliska@suse.cz>
10739
10740         PR ipa/81128
10741         * ipa-visibility.c (non_local_p): Handle visibility.
10742
10743 2017-06-28  Martin Liska  <mliska@suse.cz>
10744
10745         PR driver/79659
10746         * common.opt: Add IntegerRange to various options.
10747         * opt-functions.awk (integer_range_info): New function.
10748         * optc-gen.awk: Add integer_range_info to cl_options struct.
10749         * opts-common.c (decode_cmdline_option): Handle
10750         CL_ERR_INT_RANGE_ARG.
10751         (cmdline_handle_error): Likewise.
10752         * opts.c (print_filtered_help): Show valid interval in
10753         when --help is provided.
10754         * opts.h (struct cl_option): Add range_min and range_max fields.
10755         * config/i386/i386.opt: Add IntegerRange for -mbranch-cost.
10756
10757 2017-06-28  Marc Glisse  <marc.glisse@inria.fr>
10758
10759         * match.pd ((X & ~Y) | (~X & Y)): Generalize to + and ^.
10760         (x * C EQ/NE y * C): New transformation.
10761
10762 2017-06-28  Christophe Lyon  <christophe.lyon@linaro.org>
10763
10764         * genmultilib (combination_space): Accept '+' in option names.
10765
10766 2017-06-28  Martin Liska  <mliska@suse.cz>
10767
10768         PR sanitizer/81224
10769         * asan.c (instrument_derefs): Bail out inner references
10770         that are hard register variables.
10771
10772 2017-06-28  Jakub Jelinek  <jakub@redhat.com>
10773
10774         PR target/81175
10775         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use def_builtin
10776         rather than def_builtin_pure for __builtin_ia32_gatherpf*.
10777
10778 2017-06-28  Richard Biener  <rguenther@suse.de>
10779
10780         * tree-vectorizer.h (vect_get_vec_defs): Remove.
10781         (vect_get_slp_defs): Adjust.
10782         * tree-vect-loop.c (get_initial_defs_for_reduction): Split
10783         out from ...
10784         * tree-vect-slp.c (vect_get_constant_vectors): ... here and
10785         simplify.
10786         * tree-vect-loop.c (vect_create_epilog_for_reduction): Use
10787         get_initial_defs_for_reduction instead of vect_get_vec_defs.
10788         (vectorizable_reduction): Adjust.
10789         * tree-vect-slp.c (vect_get_constant_vectors): Remove reduction
10790         handling.
10791         (vect_get_slp_defs): Likewise.
10792         * tree-vect-stmts.c (vect_get_vec_defs): Make static and adjust.
10793         (vectorizable_bswap): Adjust.
10794         (vectorizable_call): Likewise.
10795         (vectorizable_conversion): Likewise.
10796         (vectorizable_assignment): Likewise.
10797         (vectorizable_shift): Likewise.
10798         (vectorizable_operation): Likewise.
10799         (vectorizable_store): Likewise.
10800         (vectorizable_condition): Likewise.
10801         (vectorizable_comparison): Likewise.
10802
10803 2017-06-28  Michael Collison  <michael.collison@arm.com>
10804
10805         PR target/68535
10806         * config/arm/arm.c (gen_ldm_seq): Remove last unnecessary
10807         set of base_reg
10808         (arm_gen_movmemqi): Removed unused variable 'i'.
10809         Convert 'for' loop into 'while' loop.
10810         (arm_expand_prologue): Remove last unnecessary set of insn.
10811         (thumb_pop): Remove unused variable 'pushed_words'.
10812         (thumb_exit): Remove last unnecessary set of regs_to_pop.
10813
10814 2017-06-28  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10815
10816         * config/s390/predicates.md: Use s390_rel_address_ok_p.
10817         * config/s390/s390-protos.h: Add prototype of
10818         s390_rel_address_ok_p.
10819         * config/s390/s390.c (s390_got_symbol): New function.
10820         (s390_rel_address_ok_p): New function.
10821         (legitimize_pic_address): Use s390_rel_address_ok_p.
10822         (s390_load_got): Use s390_got_symbol.
10823         (s390_option_override): Issue error if
10824         -mno-pic-data-is-text-relative is used without -fpic/-fPIC.
10825         * config/s390/s390.h (TARGET_DEFAULT_PIC_DATA_IS_TEXT_RELATIVE):
10826         New macro.
10827         * config/s390/s390.opt: New option mpic-data-is-text-relative.
10828
10829 2017-06-27  Andrew Pinski  <apinski@cavium.com>
10830
10831         * match.pd (X >/>=/</<= 0 ? 1.0 : -1.0): New patterns.
10832         (X * copysign (1.0, X)): New pattern.
10833         (X * copysign (1.0, -X)): New pattern.
10834         (copysign (-1.0, CST)): New pattern.
10835
10836 2017-06-27  Joseph Myers  <joseph@codesourcery.com>
10837
10838         * genmultilib (combination_space): Remove variable.
10839         Validate reuse rules against regular expression for any sequence
10840         of multilib options in any order.
10841
10842 2017-06-27  Michael Collison  <michael.collison@arm.com>
10843
10844         * config/aarch64/aarch64-simd.md (aarch64_combine<mode>): Directly
10845         call aarch64_split_simd_combine.
10846         * (aarch64_combine_internal<mode>): Delete pattern.
10847         * config/aarch64/aarch64.c (aarch64_split_simd_combine):
10848         Allow register and subreg operands.
10849
10850 2017-06-27  Jerome Lambourg  <lambourg@adacore.com>
10851
10852         * config/i386/vxworks.h (ASM_SPEC): Remove definition. No target
10853         specific need, just fallback on defaults.
10854         (ASM_OUTPUT_ALIGNED_BSS): Add #undef before #define.
10855
10856 2017-06-27  Jerome Lambourg  <lambourg@adacore.com>
10857             Olivier Hainque  <hainque@adacore.com>
10858
10859         * config/i386/vxworks.h (DBX_REGISTER_NUMBER): Pick distinct
10860         map for 64bits.
10861         (TARGET_OS_CPP_BUILTINS): builtin_define CPU to X86_64 for 64bit
10862         targets. Pick a default if no particular attempt applied.
10863         (STACK_CHECK_PROTECT): Double for 64bit targets, which have
10864         larger contexts.
10865
10866 2017-06-27  Jerome Lambourg  <lambourg@adacore.com>
10867
10868         * config.gcc (i*86-wrs-vxworks7): Handle new acceptable triplet.
10869         (x86_64-wrs-vxworks7): Likewise.
10870
10871 2017-06-27  Marek Polacek  <polacek@redhat.com>
10872
10873         PR sanitizer/81223
10874         * ubsan.c (instrument_null): Check get_base_address's result for null.
10875
10876 2017-06-27  Marc Glisse  <marc.glisse@inria.fr>
10877
10878         * match.pd ((A+-B)+(C-A), (A+B)-(A-C)): New transformations.
10879
10880 2017-06-27  Marc Glisse  <marc.glisse@inria.fr>
10881
10882         * builtin-types.def (BT_FENV_T_PTR, BT_CONST_FENV_T_PTR,
10883         BT_FEXCEPT_T_PTR, BT_CONST_FEXCEPT_T_PTR): New primitive types.
10884         (BT_FN_INT_FENV_T_PTR, BT_FN_INT_CONST_FENV_T_PTR,
10885         BT_FN_INT_FEXCEPT_T_PTR_INT, BT_FN_INT_CONST_FEXCEPT_T_PTR_INT):
10886         New function types.
10887         * builtins.def (BUILT_IN_FECLEAREXCEPT, BUILT_IN_FEGETENV,
10888         BUILT_IN_FEGETEXCEPTFLAG, BUILT_IN_FEGETROUND,
10889         BUILT_IN_FEHOLDEXCEPT, BUILT_IN_FERAISEEXCEPT,
10890         BUILT_IN_FESETENV, BUILT_IN_FESETEXCEPTFLAG,
10891         BUILT_IN_FESETROUND, BUILT_IN_FETESTEXCEPT,
10892         BUILT_IN_FEUPDATEENV): New builtins.
10893         * tree-core.h (TI_FENV_T_PTR_TYPE, TI_CONST_FENV_T_PTR_TYPE,
10894         TI_FEXCEPT_T_PTR_TYPE, TI_CONST_FEXCEPT_T_PTR_TYPE): New entries.
10895         * tree.h (fenv_t_ptr_type_node, const_fenv_t_ptr_type_node,
10896         fexcept_t_ptr_type_node, const_fexcept_t_ptr_type_node): New
10897         macros.
10898         (builtin_structptr_types): Adjust size.
10899         * tree.c (builtin_structptr_types): Add four entries.
10900
10901 2017-06-27  Jerome Lambourg  <lambourg@adacore.com>
10902             Olivier Hainque  <hainque@adacore.com>
10903
10904         * config/vxworks.h (VXWORKS_LIB_SPEC): Incorporate ...
10905         (TLS_SYM): New local macro, forcing reference to __tls__ on
10906         link command lines for VxWorks 7 RTPs, triggering initialization
10907         of tlsLib.
10908         (VXWORKS_HAVE_TLS): New macro. State whether the target VxWorks
10909         OS features TLS support, true for RTPs on VxWorks 7.
10910         * config/vxworks.c (vxworks_override_options): Setup emutls
10911         accordingly.
10912
10913 2017-06-27  Jakub Jelinek  <jakub@redhat.com>
10914
10915         * predict.c (test_prediction_value_range): Use -1U instead of -1
10916         to avoid narrowing conversion warning.
10917         * dumpfile.c (dump_options): Wrap all value into dump_flags_t cast
10918         to avoid narrowing conversion warning.
10919         * opt-functions.awk (var_ref): Return (unsigned short) -1 instead of
10920         -1.
10921         * optc-gen.awk (END): Expect (unsigned short) -1 instead of -1.
10922
10923 2017-06-27  Jerome Lambourg  <lambourg@adacore.com>
10924
10925         * config/vxworks.h (VXWORKS_LIBS_RTP): Alternative definition for
10926         64bit configurations.
10927         (PTR_DIFF_TYPE): Alternative definition for TARGET_LP64.
10928         (SIZE_TYPE): Likewise.
10929         * config/vxworks.c (vxworks_emutls_var_fields): Use
10930         long_unsigned_type_node instead of unsigned_type_node as the offset
10931         field type, which is "pointer" mode in emutls.c.
10932
10933 2017-06-27  Jakub Jelinek  <jakub@redhat.com>
10934
10935         PR sanitizer/81209
10936         * ubsan.c (ubsan_encode_value): Initialize DECL_CONTEXT on var.
10937
10938         PR middle-end/81207
10939         * gimple-fold.c (replace_call_with_call_and_fold): Handle
10940         gimple_vuse copying separately from gimple_vdef copying.
10941
10942 2017-06-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
10943
10944         * value-prof.c (free_hist): Remove call to memset and the enclosing if
10945         condition.
10946
10947 2017-06-26  Jerome Lambourg  <lambourg@adacore.com>
10948             Olivier Hainque  <hainque@adacore.com>
10949
10950         * config.gcc (*-*-vxworks*): Add TARGET_VXWORKS7=1 to tm_defines
10951         for all vxworks7 targets.
10952         * config/vxworks.h (TARGET_VXWORKS7): If not defined, define to 0.
10953         (VXWORKS_ADDITIONAL_CPP_SPEC): Alternative definition for VXWORKS7.
10954         (VXWORKS_LIBS_RTP, VXWORKS_LIBS_RTP_DIR): New macros, allowing
10955         variations for VX6/VX7 and 32/64bits later on in ...
10956         (VXWORKS_LIB_SPEC): Leverage new macros.
10957         (VXWORKS_OS_CPP_BUILTINS): Define _VSB_CONFIG_FILE for VXWORKS7,
10958         as well as _ALLOW_KEYWORD_MACROS when "inline" is not a keyword.
10959
10960 2017-06-26  Jerome Lambourg  <lambourg@adacore.com>
10961
10962         * config/vxworks.h (VXWORKS_OS_CPP_BUILTINS): builtin_define
10963         _VX_TOOL_FAMILY and _VX_TOOL to gnu.
10964
10965 2017-06-26  Carl Love  <cel@us.ibm.com>
10966
10967         * config/rs6000/rs6000-c.c: Add support for built-in functions
10968         vector bool char vec_reve (vector bool char);
10969         vector signed char vec_reve (vector signed char);
10970         vector unsigned char vec_reve (vector unsigned char);
10971         vector bool int vec_reve (vector bool int);
10972         vector signed int vec_reve (vector signed int);
10973         vector unsigned int vec_reve (vector unsigned int);
10974         vector bool long long vec_reve (vector bool long long);
10975         vector signed long long vec_reve (vector signed long long);
10976         vector unsigned long long vec_reve (vector unsigned long long);
10977         vector bool short vec_reve (vector bool short);
10978         vector signed short vec_reve (vector signed short);
10979         vector double vec_reve (vector double);
10980         vector float vec_reve (vector float);
10981         * config/rs6000/rs6000-builtin.def (VREVE_V2DI, VREVE_V4SI,
10982         VREVE_V8HI, VREVE_V16QI, VREVE_V2DF, VREVE_V4SF, VREVE): New builtin.
10983         * config/rs6000/altivec.md (UNSPEC_VREVEV): New UNSPEC.
10984         (altivec_vreve): New pattern.
10985         * config/rs6000/altivec.h (vec_reve): New define.
10986         * doc/extend.texi (vec_rev): Update the built-in documentation file
10987         for the new built-in functions.
10988
10989 2016-06-26  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
10990
10991         PR tree-optimization/71815
10992         * gimple-ssa-strength-reduction.c (uses_consumed_by_stmt): New
10993         function.
10994         (find_basis_for_candidate): Call uses_consumed_by_stmt rather than
10995         has_single_use.
10996         (slsr_process_phi): Likewise.
10997         (replace_uncond_cands_and_profitable_phis): Don't replace a
10998         multiply candidate with a stride of 1 (copy or cast).
10999         (phi_incr_cost): Call uses_consumed_by_stmt rather than
11000         has_single_use.
11001         (lowest_cost_path): Likewise.
11002         (total_savings): Likewise.
11003
11004 2017-06-26  Richard Biener  <rguenther@suse.de>
11005
11006         PR target/81175
11007         * config/i386/i386.c (ix86_init_mmx_sse_builtins):
11008         Use def_builtin_pure for all gather builtins.
11009
11010 2017-06-26  Richard Biener  <rguenther@suse.de>
11011
11012         PR tree-optimization/81203
11013         * tree-tailcall.c (find_tail_calls): Do not move stmts into
11014         non-dominating BBs.
11015
11016 2017-06-26  Marek Polacek  <polacek@redhat.com>
11017
11018         PR c/80116
11019         * doc/invoke.texi: Document -Wmultistatement-macros.
11020
11021 2017-06-26  Christophe Lyon  <christophe.lyon@linaro.org>
11022
11023         * doc/sourcebuild.texi (ARM-specific attributes): Document new
11024         arm_neon_ok_no_float_abi effective target.
11025
11026 2017-06-26  Richard Biener  <rguenther@suse.de>
11027
11028         PR tree-optimization/80928
11029         * cfghooks.c (duplicate_block): Do not copy BB_DUPLICATED flag.
11030         (copy_bbs): Set BB_DUPLICATED flag early.
11031         (execute_on_growing_pred): Do not execute for BB_DUPLICATED
11032         marked blocks.
11033         (execute_on_shrinking_pred): Likewise.
11034         * tree-ssa.c (ssa_redirect_edge): Do not look for PHI args in
11035         BB_DUPLICATED blocks.
11036         * tree-ssa-phionlycoprop.c (eliminate_degenerate_phis_1): Properly
11037         iterate over all PHIs considering removal of *gsi.
11038
11039 2017-06-23  Jim Wilson  <jim.wilson@linaro.org>
11040
11041         * doc/invoke.texi (AArch64 Options, -mtune): Re-add falkor and
11042         qdf24xx.
11043
11044 2017-06-23  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
11045
11046         * config/rs6000/rs6000-string.c: (expand_block_clear,
11047         do_load_for_compare, select_block_compare_mode,
11048         compute_current_alignment, expand_block_compare,
11049         expand_strncmp_align_check, expand_strn_compare,
11050         expand_block_move, rs6000_output_load_multiple)
11051         Move functions related to string/block move/compare
11052         to a separate file.
11053         * config/rs6000/rs6000.c: Move above functions to rs6000-string.c.
11054         * config/rs6000/rs6000-protos.h (rs6000_emit_dot_insn): Add prototype
11055         for this function which is now used in two files.
11056         * config/rs6000/t-rs6000: Add rule to compile rs6000-string.o.
11057         * config.gcc: Add rs6000-string.o to extra_objs for
11058         targets powerpc*-*-* and rs6000*-*-*.
11059
11060 2017-06-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
11061
11062         PR target/80510
11063         * config/rs6000/rs6000.md (ALTIVEC_DFORM): Do not allow DImode in
11064         32-bit, since indexed is not valid for DImode.
11065         (mov<mode>_hardfloat32): Reorder ISA 2.07 load/stores before ISA
11066         3.0 d-form load/stores to be the same as mov<mode>_hardfloat64.
11067         (define_peephole2 for Altivec d-form load): Add 32-bit support.
11068         (define_peephole2 for Altivec d-form store): Likewise.
11069
11070         PR ipa/81185
11071         * multiple_target.c (create_dispatcher_calls): Only create the
11072         dispatcher call if the function is the default clone of a
11073         versioned function.
11074
11075 2017-06-23  Segher Boessenkool  <segher@kernel.crashing.org>
11076
11077         PR middle-end/80902
11078         * builtins.c (expand_builtin_atomic_fetch_op): If emitting code after
11079         a call, force the call to not be a tail call.
11080
11081 2017-06-23  Jeff Law  <law@redhat.com>
11082
11083         * doc/contrib.texi: Add entry for Steven Pemberton's work on
11084         enquire.
11085
11086 2017-06-23  Will Schmidt  <will_schmidt@vnet.ibm.com>
11087
11088         * config/rs6000/rs6000.c: Add include of ssa-propagate.h for
11089         update_call_from_tree().  (rs6000_gimple_fold_builtin): Add
11090         handling for early expansion of vector shifts (sl,sr,sra,rl).
11091         (builtin_function_type): Add vector shift right instructions
11092         to the unsigned argument list.
11093
11094 2017-06-23  Bernd Edlinger  <bernd.edlinger@hotmail.de>
11095
11096         rtl-optimizatoin/79286
11097         * ira.c (update_equiv_regs): Revert to using may_trap_or_fault_p again.
11098         * rtlanal.c (rtx_addr_can_trap_p_1): SYMBOL_REF_FUNCTION_P can never
11099         trap.  PIC register plus a const unspec without offset can never trap.
11100
11101 2017-06-23  Marc Glisse  <marc.glisse@inria.fr>
11102
11103         * tree.h (builtin_structptr_type): New type.
11104         (builtin_structptr_types): Declare new array.
11105         * tree.c (builtin_structptr_types): New array.
11106         (free_lang_data, build_common_tree_nodes): Use it.
11107
11108 2017-06-23  Jonathan Wakely  <jwakely@redhat.com>
11109
11110         PR c++/81187
11111         * doc/invoke.texi (-Wnoexcept-type): Fix name of option, from
11112         -Wnoexcept.
11113
11114 2017-06-22  Matt Turner  <mattst88@gmail.com>
11115
11116         * config/i386/driver-i386.c (host_detect_local_cpu): Add Kaby
11117         Lake models to skylake case.  Assume skylake for unknown
11118         models with clflushopt.
11119
11120 2017-06-22  Jeff Law  <law@redhat.com>
11121
11122         * config/aarch64/aarch64.c (aarch64_emit_probe_stack_range): Handle
11123         frame sizes that do not satisfy aarch64_uimm12_shift.
11124
11125 2017-06-22  Jan Hubicka <hubicka@ucw.cz>
11126
11127         * profile-count.h (apply_probability,
11128         apply_scale, probability_in): Fix checks for zero.
11129
11130 2017-06-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
11131
11132         * incpath.c (add_sysroot_to_chain): Allow for $SYSROOT prefix.
11133         * doc/cppdiropts.texi (-I @var{dir}): Document it.
11134
11135 2016-06-22  Richard Biener  <rguenther@suse.de>
11136
11137         * tree-vect-loop.c (vect_model_reduction_cost): Handle
11138         COND_REDUCTION and INTEGER_INDUC_COND_REDUCTION without
11139         REDUC_MAX_EXPR support.
11140         (vectorizable_reduction): Likewise.
11141         (vect_create_epilog_for_reduction): Likewise.
11142
11143 2017-06-22  James Greenhalgh  <james.greenhalgh@arm.com>
11144
11145         * match.pd (A / (1 << B) -> A >> B): New.
11146         * generic-match-head.c: Include optabs-tree.h.
11147         * gimple-match-head.c: Likewise.
11148         * optabs-tree.h (target_supports_op_p): New.
11149         * optabs-tree.c (target_supports_op_p): New.
11150
11151 2017-06-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
11152
11153         * configure.ac (gcc_cv_ld_static_dynamic): Also check stderr for
11154         $gcc_cv_ld --help output.
11155         (gcc_cv_ld_demangle): Likewise.
11156         (gcc_cv_ld_eh_frame_hdr): Likewise.
11157         (gcc_cv_ld_pie): Likewise.
11158         (gcc_cv_ld_as_needed): Likewise.  Prefer native forms unless $gnu_ld.
11159         (gcc_cv_ld_buildid): Likewise.
11160         (gcc_cv_ld_sysroot): Likewise.
11161         (ld_bndplt_support): Likewise.
11162         (ld_pushpopstate_support): Likewise.
11163         * configure: Regenerate.
11164         * config/sol2.h [!USE_GLD] (SYSROOT_SPEC): Define.
11165
11166 2017-06-21  Jakub Jelinek  <jakub@redhat.com>
11167
11168         PR target/81151
11169         * config/i386/sse.md (round<mode>2): Renumber match_dup and
11170         operands indexes to avoid gap between operands and match_dups.
11171
11172 2017-06-21  Andrew Pinski  <apinski@cavium.com>
11173
11174         * config/aarch64/aarch64-cost-tables.h (thunderx_extra_costs):
11175         Increment Arith_shift and Arith_shift_reg by 1.
11176         * config/aarch64/aarch64-tuning-flags.def (cheap_shift_extend):
11177         New tuning flag.
11178         * config/aarch64/aarch64.c (thunderx_tunings): Enable
11179         AARCH64_EXTRA_TUNE_CHEAP_SHIFT_EXTEND.
11180         (aarch64_strip_extend): Add new argument and test for it.
11181         (aarch64_cheap_mult_shift_p): New function.
11182         (aarch64_rtx_mult_cost): Call aarch64_cheap_mult_shift_p and don't
11183         add a cost if it is true.
11184         Update calls to aarch64_strip_extend.
11185         (aarch64_rtx_costs): Update calls to aarch64_strip_extend.
11186
11187 2017-06-21  Andrew Pinski  <apinski@cavium.com>
11188
11189         * config/aarch64/aarch64-cores.def (thunderxt88p1): Use thunderxt88
11190         tunings.
11191         (thunderxt88): Likewise.
11192         * config/aarch64/aarch64.c (thunderxt88_prefetch_tune): New variable.
11193         (thunderx_prefetch_tune): New variable.
11194         (thunderx2t99_prefetch_tune): Update for the correct values.
11195         (thunderxt88_tunings): New variable.
11196         (thunderx_tunings): Use thunderx_prefetch_tune instead of
11197         generic_prefetch_tune.
11198         (thunderx2t99_tunings): Use AUTOPREFETCHER_WEAK.
11199
11200 2017-06-21  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11201
11202         * config/aarch64/atomics.md (aarch64_compare_and_swap<mode>_lse,
11203         SHORT): Relax operand 3 to aarch64_reg_or_zero and constraint to Z.
11204         (aarch64_compare_and_swap<mode>_lse, GPI): Likewise.
11205         (aarch64_atomic_cas<mode>, SHORT): Likewise for operand 2.
11206         (aarch64_atomic_cas<mode>, GPI): Likewise.
11207
11208 2017-06-21  Martin Liska  <mliska@suse.cz>
11209
11210         * gimplify.c (gimplify_label_expr): Insert GIMPLE_PREDICT
11211         statements on cold and hot labels.
11212         * predict.c (tree_estimate_probability_bb): Remove the
11213         prediction from this place.
11214
11215 2017-06-21  Martin Liska  <mliska@suse.cz>
11216
11217         PR tree-optimization/79489
11218         * gimplify.c (maybe_add_early_return_predict_stmt): New
11219         function.
11220         (gimplify_return_expr): Call the function.
11221         * predict.c (tree_estimate_probability_bb): Remove handling
11222         of early return.
11223         * predict.def: Update comment about early return predictor.
11224         * gimple-predict.h (is_gimple_predict): New function.
11225         * predict.def: Change default value of early return to 66.
11226         * tree-tailcall.c (find_tail_calls): Skip GIMPLE_PREDICT
11227         statements.
11228         * passes.def: Put pass_strip_predict_hints to the beginning of
11229         IPA passes.
11230
11231 2017-06-21  Pierre-Marie de Rodat  <derodat@adacore.com>
11232
11233         * dwarf2out.c (gen_decl_die): Remove the guard to skip file-scope
11234         FUNCTION_DECL declarations.
11235         (dwarf2out_early_global_decl): Remove the guard to skip FUNCTION_DECL
11236         declarations.
11237         (dwaf2out_decl): Likewise.
11238         * godump.c (go_early_global_decl): Skip call to the real debug hook
11239         for FUNCTION_DECL declarations.
11240         * passes.c (rest_of_decl_compilation): Skip call to the
11241         early_global_decl debug hook for FUNCTION_DECL declarations, unless
11242         -fdump-go-spec is passed.
11243
11244 2017-06-21  Marc Glisse  <marc.glisse@inria.fr>
11245
11246         * config/i386/i386.c (struct builtin_isa): New field pure_p.
11247         Reorder for compactness.
11248         (def_builtin, def_builtin2, ix86_add_new_builtins): Handle pure_p.
11249         (def_builtin_pure, def_builtin_pure2): New functions.
11250         (ix86_init_mmx_sse_builtins) [__builtin_ia32_stmxcsr]: Mark as pure.
11251
11252 2017-06-21  Marc Glisse  <marc.glisse@inria.fr>
11253
11254         * match.pd (nop_convert): New predicate.
11255         ((A +- CST1) +- CST2): Allow some NOP conversions.
11256
11257 2017-06-21  Jakub Jelinek  <jakub@redhat.com>
11258
11259         PR c++/81130
11260         * gimplify.c (omp_add_variable): Don't force GOVD_SEEN for types
11261         with ctors/dtors if GOVD_SHARED is set.
11262
11263 2017-06-21  Wilco Dijkstra  <wdijkstr@arm.com>
11264
11265         * config/aarch64/aarch64.md (movti_aarch64):
11266         Emit mov rather than orr.
11267         (movtf_aarch64): Likewise.
11268         * config/aarch64/aarch64-simd.md (aarch64_simd_mov):
11269         Emit mov rather than orr.
11270
11271 2017-06-21  Wilco Dijkstra  <wdijkstr@arm.com>
11272
11273         * config/aarch64/aarch64-simd.md (aarch64_simd_dup):
11274         Swap alternatives, make integer dup more expensive.
11275
11276 2017-06-21  Wilco Dijkstra  <wdijkstr@arm.com>
11277
11278         * config/aarch64/aarch64.c (aarch64_legitimate_constant_p):
11279         Return true for non-tls symbols.
11280
11281 2017-06-21  James Greenhalgh  <james.greenhalgh@arm.com>
11282
11283         * config/aarch64/aarch64-cores.def (cortex-a55): New.
11284         (cortex-a75): Likewise.
11285         (cortex-a75.cortex-a55): Likewise.
11286         * config/aarch64/aarch64-tune.md: Regenerate.
11287         * doc/invoke.texi (-mtune): Document new values for -mtune.
11288
11289 2017-06-21  Tom de Vries  <tom@codesourcery.com>
11290
11291         * doc/sourcebuild.texi (Add Options, Features for dg-add-options): Add
11292         stack_size feature.
11293         (Effective-Target Keywords, Other attributes): Suggest using
11294         dg-add-options stack_size feature to get stack limit in stack_size
11295         effective target documentation.
11296
11297 2017-06-21  Julian Brown  <julian@codesourcery.com>
11298             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
11299
11300         * config/aarch64/aarch64-simd.md (aarch64_crypto_pmulldi)
11301         (aarch64_crypto_pmullv2di): Change type attribute to crypto_pmull.
11302         * config/aarch64/thunderx2t99.md (thunderx2t99_pmull): New
11303         reservation.
11304         * config/arm/cortex-a53.md (cortex_a53_advsimd_type): Add crypto_pmull to
11305         attribute type list for neon_multiply.
11306         * config/arm/cortex-a57.md (cortex_a57_neon_type): Add crypto_pmull to
11307         attribute type list for neon_multiply.
11308         * config/arm/crypto.md (crypto_vmullp64): Change type to crypto_pmull.
11309         * config/arm/exynos-m1.md (exynos_m1_neon_type): Add crypto_pmull to
11310         attribute type list for neon_multiply.
11311         * config/arm/types.md (crypto_pmull): Add.
11312         * config/arm/xgene1.md (xgene1_neon_pmull): Add crypto_pmull to
11313         attribute type list.
11314
11315 2017-06-20  Andreas Tobler  <andreast@gcc.gnu.org>
11316
11317         * config.gcc (armv6*-*-freebsd*): Change the target_cpu_cname to
11318         arm1176jzf-s.
11319
11320 2017-06-20  Jakub Jelinek  <jakub@redhat.com>
11321
11322         * ira-costs.c (find_costs_and_classes): Initialize cost_classes later
11323         to make sure not to dereference a NULL cost_classes_ptr pointer.
11324
11325 2017-06-20  Carl Love  <cel@us.ibm.com>
11326
11327         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
11328         ALTIVEC_BUILTIN_VMULESW, ALTIVEC_BUILTIN_VMULEUW,
11329         ALTIVEC_BUILTIN_VMULOSW, ALTIVEC_BUILTIN_VMULOUW entries.
11330         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin,
11331         builtin_function_type): Add ALTIVEC_BUILTIN_* case statements.
11332         * config/rs6000/altivec.md (MVULEUW, VMULESW, VMULOUW,
11333         VMULOSW): New enum "unspec" values.
11334         (vec_widen_umult_even_v4si, vec_widen_smult_even_v4si,
11335         vec_widen_umult_odd_v4si, vec_widen_smult_odd_v4si,
11336         altivec_vmuleuw, altivec_vmulesw, altivec_vmulouw,
11337         altivec_vmulosw): New patterns.
11338         * config/rs6000/rs6000-builtin.def (VMLEUW, VMULESW, VMULOUW,
11339         VMULOSW): Add definitions.
11340
11341 2017-06-20  Julia Koval  <julia.koval@intel.com>
11342
11343         * config/i386/i386.c: Fix rounding expand for new pattern.
11344         * config/i386/subst.md: Fix pattern (parallel -> unspec).
11345
11346 2017-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
11347
11348         * config/aarch64/aarch64-option-extensions.def (rcpc): New.
11349         * config/aarch64/aarch64.h (AARCH64_FL_RCPC): New.
11350
11351 2017-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
11352
11353         * config/aarch64/aarch64-option-extensions.def (fp16): Fix expected
11354         feature string.
11355
11356 2017-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
11357
11358         * config/aarch64/aarch64-cores.def: Rearrange to sort by
11359         architecture, then by implementer ID.
11360         * config/aarch64/aarch64-tune.md: Regenerate.
11361
11362 2017-06-20  Richard Biener  <rguenther@suse.de>
11363
11364         PR middle-end/81097
11365         * fold-const.c (split_tree): Fold to type before negating.
11366
11367 2017-06-20  David Malcolm  <dmalcolm@redhat.com>
11368
11369         * diagnostic-show-locus.c
11370         (selftest::test_fixit_deletion_affecting_newline): New function.
11371         (selftest::diagnostic_show_locus_c_tests): Call it.
11372
11373 2017-06-20  Andreas Schwab  <schwab@suse.de>
11374
11375         PR target/80970
11376         * config/m68k/m68k.md (bsetdreg, bchgdreg, bclrdreg): Use "=d"
11377         instead of "+d".
11378
11379 2017-06-20  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
11380
11381         * config/arm/arm-c.c (arm_cpu_builtins): New block to define
11382         __ARM_FEATURE_COPROC according to support.
11383
11384 2017-06-20  Jakub Jelinek  <jakub@redhat.com>
11385
11386         * tree-chkp.c (chkp_get_hard_register_var_fake_base_address):
11387         Rewritten to avoid overflow for > 32-bit pointers.
11388
11389         PR sanitizer/81125
11390         * ubsan.h (ubsan_encode_value): Workaround buggy clang++ parser
11391         by removing enum keyword.
11392         (ubsan_type_descriptor): Likewise.  Formatting fix.
11393
11394         PR target/81121
11395         * config/i386/i386.md (TARGET_USE_VECTOR_CONVERTS float si->{sf,df}
11396         splitter): Require TARGET_SSE2 in the condition.
11397
11398 2017-06-20  Michael Meissner  <meissner@linux.vnet.ibm.com>
11399
11400         PR target/79799
11401         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Add support
11402         for doing vector set of SFmode on ISA 3.0.
11403         * config/rs6000/vsx.md (vsx_set_v4sf_p9): Likewise.
11404         (vsx_set_v4sf_p9_zero): Special case setting 0.0f to a V4SF
11405         element.
11406         (vsx_insert_extract_v4sf_p9): Add an optimization for inserting a
11407         SFmode value into a V4SF variable that was extracted from another
11408         V4SF variable without converting the element to double precision
11409         and back to single precision vector format.
11410         (vsx_insert_extract_v4sf_p9_2): Likewise.
11411
11412 2017-06-19  Jakub Jelinek  <jakub@redhat.com>
11413
11414         * tree-ssa-structalias.c (get_constraint_for_ptr_offset): Multiply
11415         in UWHI to avoid undefined overflow.
11416
11417         PR sanitizer/81125
11418         * ubsan.h (enum ubsan_encode_value_phase): New.
11419         (ubsan_encode_value): Change second argument to
11420         enum ubsan_encode_value_phase with default value of
11421         UBSAN_ENCODE_VALUE_GENERIC.
11422         * ubsan.c (ubsan_encode_value): Change second argument to
11423         enum ubsan_encode_value_phase PHASE from bool IN_EXPAND_P,
11424         adjust uses, for UBSAN_ENCODE_VALUE_GENERIC use just
11425         create_tmp_var_raw instead of create_tmp_var and use a
11426         TARGET_EXPR.
11427         (ubsan_expand_bounds_ifn, ubsan_build_overflow_builtin,
11428         instrument_bool_enum_load, ubsan_instrument_float_cast): Adjust
11429         ubsan_encode_value callers.
11430
11431         PR sanitizer/81111
11432         * ubsan.c (ubsan_encode_value): If current_function_decl is NULL,
11433         use create_tmp_var_raw instead of create_tmp_var, mark it addressable
11434         just by setting TREE_ADDRESSABLE on the result and use a TARGET_EXPR.
11435
11436 2017-06-19  Richard Biener  <rguenther@suse.de>
11437
11438         PR middle-end/81118
11439         * tree-cfgcleanup.c (cleanup_tree_cfg_noloop): Clear niter
11440         estimates if we changed anything.
11441
11442 2017-06-19  Richard Biener  <rguenther@suse.de>
11443
11444         PR tree-optimization/80887
11445         * tree-ssa-sccvn.c (mprts_hook_cnt): New global.
11446         (vn_lookup_simplify_result): Allow only mprts_hook_cnt succesful
11447         simplified lookups, then reset mprts_hook.
11448         (vn_nary_build_or_lookup_1): Set mprts_hook_cnt to 9 before
11449         simplifying.
11450         (try_to_simplify): Likewise.
11451
11452 2017-06-19  Martin Liska  <mliska@suse.cz>
11453
11454         PR sanitizer/80879
11455         * gimplify.c (gimplify_switch_expr):
11456         Initialize live_switch_vars for SWITCH_BODY == STATEMENT_LIST.
11457
11458 2017-06-19  Martin Liska  <mliska@suse.cz>
11459
11460         * doc/install.texi: Document that PGO runs in 4 stages.
11461
11462 2017-06-19  Martin Liska  <mliska@suse.cz>
11463
11464         PR ipa/80732
11465         * attribs.c (make_dispatcher_decl): Do not append '.ifunc'
11466         to dispatcher function name.
11467         * multiple_target.c (replace_function_decl): New function.
11468         (create_dispatcher_calls): Redirect both edges and references.
11469
11470 2017-06-19  Jan Hubicka <hubicka@ucw.cz>
11471
11472         * profile-count.c (profile_count::dump): Dump quality.
11473         (profile_count::differs_from_p): Update for unsigned val.
11474         * profile-count.h (profile_count_quality): New enum.
11475         (profile_count): Turn m_val to 62bit unsigned, add quality tracking.
11476
11477 2017-06-19  Richard Biener  <rguenther@suse.de>
11478
11479         * tree-ssa-loop-niter.h (estimate_numbers_of_iterations): Take
11480         struct function as arg.
11481         (estimate_numbers_of_iterations): Export overload with loop arg.
11482         (free_numbers_of_iterations_estimates_loop): Use an overload of
11483         free_numbers_of_iterations_estimates instead.
11484         * tree-cfg.c (remove_bb): Adjust.
11485         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Likewise.
11486         * tree-parloops.c (gen_parallel_loop): Likewise.
11487         * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
11488         Likewise.
11489         (tree_unroll_loops_completely): Likewise.
11490         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop):
11491         Use an overload instead and export.
11492         (estimated_loop_iterations): Adjust.
11493         (max_loop_iterations): Likewise.
11494         (likely_max_loop_iterations): Likewise.
11495         (estimate_numbers_of_iterations): Take struct function as arg
11496         and adjust.
11497         (loop_exits_before_overflow): Adjust.
11498         (free_numbers_of_iterations_estimates_loop): Use an overload.
11499         * tree-vect-loop.c (vect_analyze_loop_form): Adjust.
11500         * tree-vectorizer.c (vect_free_loop_info_assumptions): Likewise.
11501
11502 2017-06-19  Richard Biener  <rguenther@suse.de>
11503
11504         PR ipa/81112
11505         * ipa-prop.c (find_constructor_constant_at_offset): Handle
11506         RANGE_EXPR conservatively.
11507
11508 2017-06-16  Carl Love  <cel@us.ibm.com>
11509
11510         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
11511         definitions for vec_float, vec_float2, vec_floato,
11512         vec_floate built-ins.
11513         * config/rs6000/vsx.md (define_c_enum "unspec"): Add RTL code
11514         for instructions vsx_xvcvsxws vsx_xvcvuxwsp, float2, floato and
11515         floate.
11516         * config/rs6000/rs6000-builtin.def (FLOAT2_V2DI, FLOATE_V2DF,
11517         FLOATE_2DI, FLOATO_V2DF, FLOATEE_V2DI, XVCVSXWSP_V4SF,
11518         UNS_FLOATO_V2DI, UNS_FLOATE_V2DI): Add definitions.
11519         * config/altivec.md (define_insn "p8_vmrgew_<mode>",
11520         define_mode_attr VF_sxddp): Add V4SF type to p8_vmrgew.
11521         * config/rs6000/altivec.h (vec_float, vec_float2, vec_floate,
11522         vec_floato): Add builtin defines.
11523         * doc/extend.texi (vec_float, vec_float2, vec_floate, vec_floato):
11524         Update the built-in documentation file for the new built-in
11525         functions.
11526
11527 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11528
11529         * config/arm/arm.opt (marm): Mark as the negative of of -mthumb.
11530         (mthumb): Mark as the negative of -marm.
11531
11532 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11533
11534         * doc/invoke.texi (ARM Options, -mcpu): Document supported
11535         extension options.
11536         (ARM Options, -mtune): Document that this accepts the same
11537         extension options as -mcpu.
11538         (ARM Options, -mfpu): Document addition of -mfpu=auto.
11539
11540 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11541
11542         * doc/invoke.texi (ARM Options, -march=): Document new syntax and
11543         permitted extensions.
11544
11545 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11546
11547         * config/arm/arm-cpus.in (armv7): Add extension +nofp.
11548         (armv7-r): Add aliases vfpv3xd and vfpv3-d16.
11549         (armv8-m.main): Add option +nodsp.
11550         * config/arm/arm-cpu-cdata.h: Regenerated.
11551
11552 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11553
11554         * config/arm/t-fuchsia: New file.
11555         * config.gcc (arm*-*-fuchsia*): Use it.
11556
11557 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11558
11559         * config/arm/t-symbian: Rewrite for new option infrastructure.
11560
11561 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11562
11563         * config/arm/t-phoenix (MULTILIB_REUSE): Clear variable.
11564         (MULTILIB_REQUIRED): Likewise.
11565
11566 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11567
11568         * config/arm/t-linux-eabi (MULTILIB_EXCEPTIONS): Set to empty.
11569         (MULTILIB_RESUE): Likewise.
11570         (MULTILIB_MATCHES): Likewise.
11571         (MULTLIB_REQUIRED): Likewise.
11572
11573 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11574
11575         * config/arm/t-rtems: Rewrite for new option framework.
11576
11577 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11578
11579         * config/arm/t-aprofile (v7_a_nosimd_variants, v7_a_simd_variants)
11580         (v7ve_nosimd_variatns, v7ve_vfpv3_simd_variants)
11581         (v7ve_vfpv4_simd_variants, v8_a_nosimd_variants, v8_a_simd_variants)
11582         (v8_1_a_simd_variants, v8_2_a_simd_variants): Move to ...
11583         * config/arm/t-multilib: ... here.
11584         (MULTILIB_OPTIONS): Add armv7 and armv7+fp architectures.
11585         (MULTILIB_MATCHES): Use armv7 libraries for armv7-r.  Also use for
11586         armv7-a and armv8*-a when A-profile libraries have not been built.
11587         * config/arm/t-rmprofile: Rewrite.
11588
11589 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11590
11591         * genmultilib (multilib_reuse): Allow an explicit period to be escaped
11592         with a backslash.  Remove the backslash after substituting unescaped
11593         periods.
11594         * doc/fragments.texi (MULTILIB_REUSE): Document it.
11595
11596 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11597
11598         * config.gcc: (arm*-*-*): When building a-profile libraries, force
11599         the driver to pass through the default setting of -mfloat-abi.
11600         * common/config/arm/arm-common.c (arm_target_thumb_only): Return -marm
11601         rather than NULL.
11602         * config/arm/t-multilib (MULTILIB_REUSE): Initialize to empty.
11603         (all_feat_combs): New rule.
11604         (MULTILIB_OPTIONS): Use explicit ARM and Thumb directories.  Rework
11605         default libraries.
11606         * config/arm/t-aprofile: Rewrite.
11607
11608 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11609
11610         * config/arm/arm.h (FPUTYPE_AUTO): Define.
11611         * config/arm/arm.c (arm_option_override): Use FPUTYPE_AUTO if the
11612         fpu is not specified by the user/command-line.
11613         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Delete.
11614         * config/arm/netbsd-elf.h (FPUTYPE_DEFAULT): Delete.
11615         * config/arm/linux-elf.h (FPUTYPE_DEFAULT): Delete.
11616         * config/arm/vxworks.h (FPUTYPE_DEFAULT): Delete.
11617         * common/config/arm/arm-common.c (arm_canon_arch_option): Use
11618         FPUTYPE_AUTO insted of FPUTYPE_DEFAULT.
11619
11620 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11621
11622         * config/arm/elf.h (MULTILIB_DEFAULTS): Delete.
11623         * config/arm/t-arm-elf: Rewritten.
11624
11625 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11626
11627         * config/arm/arm.h (TARGET_HARD_FLOAT): Also check that we
11628         have some floating-point instructions.
11629         (TARGET_SOFT_FLOAT): Define as inverse of TARGET_HARD_FLOAT.
11630         (TARGET_MAYBE_HARD_FLOAT): New macro.
11631         * config/arm/arm-builtins.c (arm_init_builtins): Use
11632         TARGET_MAYBE_HARD_FLOAT.
11633         * config/arm/arm.c (arm_option_override): Use TARGET_HARD_FLOAT_ABI.
11634
11635 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11636
11637         * common/config/arm/arm-common.c: Define INCLUDE_LIST.
11638         (configargs.h): Include it.
11639         (arm_print_hint_for_fpu_option): New function.
11640         (arm_parse_fpu_option): New function.
11641         (candidate_extension): New class.
11642         (arm_canon_for_multilib): New function.
11643         * config/arm/arm.h (CANON_ARCH_SPEC_FUNCTION): New macro.
11644         (EXTRA_SPEC_FUNCTIONS): Add CANON_ARCH_SPEC_FUNCTION.
11645         (ARCH_CANONICAL_SPECS): New macro.
11646         (DRIVER_SELF_SPECS): Add ARCH_CANONICAL_SPECS.
11647
11648 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11649
11650         * config.gcc (arm*-*-*): Ensure both target_cpu_cname and with_cpu
11651         are set after handling multilib fragments.  Set target_cpu_default2
11652         from with_cpu.
11653
11654 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11655
11656         * config.gcc (arm*-*-fucshia*): Set target_cpu_cname to the real
11657         cpu name.
11658         (arm*-*-*): Set target_cpu_default2 to a quoted string.
11659         * config/arm/parsecpu.awk (check_cpu): Validate any extension
11660         options.
11661         (check_arch): Likewise.
11662         * config/arm/arm.c (arm_configure_build_target): Handle
11663         TARGET_CPU_DEFAULT being a string constant.  Scan any feature
11664         options in the default.
11665
11666 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11667
11668         * config/arm/arm-protos.h (cpu_arch_extension): Add field to record
11669         when an option is an alias of another.
11670         * config/arm/parsecpu.awk (optalias): New parser token.
11671         (gen_comm_data): Mark non-alias options as such.  Emit entries
11672         for extension aliases.
11673         * config/arm/arm-cpus.in (armv5e): Make vfpv2 an alias.
11674         (armv5te, armv5tej, armv6, armv6j, armv6k, armv6z): Likewise.
11675         (armv6kz, armv6zk, armv6t2): Likewise.
11676         (armv7): Make vfpv3-d16 an alias.
11677         (armv7-a): Make vfpv3-d16, neon and neon-vfpv3 aliases.  Sort in
11678         canonical order.
11679         (armv7ve): Make vfpv4-d16, neon-vfpv3 and neon-vfpv4 aliases.
11680         Sort in canonical order.
11681         (armv8-a): Sort in canonical order.
11682         (armv8.1-a, armv8.2-a):  Likewise.
11683         (generic-armv7-a): Make neon and neon-vfpv3 aliases.  Sort in
11684         canonical order.
11685         (cortex-a9): Sort in canonical order.
11686         * config/arm/arm.c (selftests.h): Include it.
11687         (arm_test_cpu_arch_data): New function.
11688         (arm_run_self_tests): New function.
11689         (TARGET_RUN_TARGET_SELFTESTS): Redefine.
11690         (targetm): Move declaration to the end of the file.
11691         * arm-cpu-cdata.h: Regenerated.
11692
11693 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11694
11695         * config/arm/arm.h (TARGET_MODE_SPECS): Add additional parameter to
11696         call to target_mode_check describing the type of option passed.
11697         * common/config/arm/arm-common.c (arm_arch_core_flag): Delete.
11698         (arm_target_thumb_only): Use arm_parse_arch_option_name or
11699         arm_parse_cpu_option_name to match parameters against list of
11700         available targets.
11701         * config/arm/parsecpu.awk (gen_comm_data): Don't generate
11702         arm_arch_core_flags data structure.
11703         * config/arm/arm-cpu_cdata.h: Regenerated.
11704
11705 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11706
11707         * common/config/arm/arm-common.c (arm_initialize_isa): Moved here from
11708         config/arm/arm.c.
11709         (arm_print_hint_for_cpu_option): Likewise.
11710         (arm_print_hint_for_arch_option): Likewise.
11711         (arm_parse_cpu_option_name): Likewise.
11712         (arm_parse_arch_option_name): Likewise.
11713         * config/arm/arm.c (arm_identify_fpu_from_isa): Use the computed number
11714         of entries in the all_fpus list.
11715         * config/arm/arm-protos.h (all_architectures, all_cores): Declare.
11716         (arm_parse_cpu_option_name): Declare.
11717         (arm_parse_arch_option_name): Declare.
11718         (arm_parse_option_features): Declare.
11719         (arm_intialize_isa): Declare.
11720         * config/arm/parsecpu.awk (gen_data): Move CPU and architecture
11721         data tables to ...
11722         (gen_comm_data): ... here.  Make definitions non-static.
11723         * config/arm/arm-cpu-data.h: Regenerated.
11724         * config/arm/arm-cpu-cdata.h: Regenerated.
11725
11726 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11727
11728         * config/arm/arm-protos.h (arm_build_target): Remove arch_core.
11729         (cpu_arch_extension): New structure.
11730         (cpu_arch_option, arch_option, cpu_option): New structures.
11731         * config/arm/parsecpu.awk (gen_headers): Build an enumeration of
11732         architecture types.
11733         (gen_data): Generate new format data tables.
11734         * config/arm/arm.c (cpu_tune): New structure.
11735         (cpu_option, processors): Delete.
11736         (arm_print_hint_for_core_or_arch): Delete.  Replace with ...
11737         (arm_print_hint_for_cpu_option): ... this and ...
11738         (arm_print_hint_for_arch_option): ... this.
11739         (arm_parse_arch_cpu_name): Delete.  Replace with ...
11740         (arm_parse_cpu_option_name): ... this and ...
11741         (arm_parse_arch_option_name): ... this.
11742         (arm_unrecognized_feature): Change type of target parameter to
11743         cpu_arch_option.
11744         (arm_parse_arch_cpu_features): Delete.  Replace with ...
11745         (arm_parse_option_features): ... this.
11746         (arm_configure_build_target): Rework to use new configuration data
11747         tables.
11748         (arm_print_tune_info): Rework for new configuration data tables.
11749         * config/arm/arm-cpu-data.h: Regenerated.
11750         * config/arm/arm-cpu.h: Regenerated.
11751
11752 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11753
11754         * Makefile.in (OBJS): Move sbitmap.o from here ...
11755         (OBJS-libcommon): ... to here.
11756
11757 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11758
11759         * config/arm/arm-isa.h (ISA_ALL_FPU_INTERNAL): Renamed from ISA_ALL_FPU.
11760         (ISA_ALL_CRYPTO): New macro.
11761         (ISA_ALL_SIMD): New macro
11762         (ISA_ALL_FP): New macro.
11763         * config/arm/arm.c (fpu_bitlist): Update initializer.
11764         * config/arm/arm-cpus.in: Use new ISA_ALL macros to disable crypto,
11765         simd or fp.
11766         (arm9e): Add fpu.  Add option for nofp
11767         (arm946e-s, arm966e-s, arm968e-s, arm10e, arm1020e, arm1022e): Likewise.
11768         (arm926ej-s, arm1026ej-s): Likewise.
11769         (generic-armv7-a): Add fpu.  Add options for simd, vfpv3, vfpv3-d16,
11770         vfpv3-fp16, vfpv3-d16-fp16, vfpv4, vfpv4-d16, neon, neon-vfp3,
11771         neon-fp16, neon-vfpv4, nofp and nosimd.
11772         (cortex-a5, cortex-a7): Add fpu.  Add options for nosimd and nofp.
11773         (cortex-a8): Add fpu.  Add option for nofp.
11774         (cortex-a9): Add fpu.  Add options for nosimd and nofp.
11775         (cortex-a12, cortex-a15, cortex-a17): Add fpu.  Add option for nofp.
11776         (cortex-r4f): Add fpu.
11777         (cortex-r5): Add fpu.  Add options for nofp.dp and nofp.
11778         (cortex-r7): Use idiv option from architecture.  Add fpu.  Add option
11779         for nofp.
11780         (cortex-r8): Likewise.
11781         (cortex-m4): Add fpu.  Add option for nofp.
11782         (cortex-a15.cortex-a7): Add fpu.  Add option for nofp.
11783         (cortex-a17.cortex-a7): Likewise.
11784         (cortex-a32): Add fpu.  Add options for crypto and nofp.
11785         (cortex-a35, cortex-a53): Likewise.
11786         (cortex-a57): Add fpu.  Add option for crypto.
11787         (cortex-a72, cortex-a73): Likewise.
11788         (exynos-m1): Likewise.
11789         (cortex-a57.cortex-a53, cortex-a72.cortex-a53): Likewise.
11790         (cortex-a73.cortex-a35, cortex-a73.cortex-a53): Likewise.
11791         (cortex-m33): Add fpu.  Add option for nofp.
11792         * config/arm/arm-cpu-cdata.h: Regenerated
11793         * config/arm/arm-cpu-data.h: Regenerated.
11794
11795 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11796
11797         * arm-cpus.in (armv5e): Add options fp, vfpv2 and nofp.
11798         (armv5te, armv5tej): Likewise.
11799         (armv6, armv6j, armv6k, armv6z, armv6kz, armv6zk, armv6t2): Likewise.
11800         (armv7): Add options fp and vfpv3-d16.
11801         (armv7-a): Add options fp, simd, vfpv3, vfpv3-d16, vfpv3-d16-fp16,
11802         vfpv3-fp16, vfpv4, vfpv4-d16, neon, neon-vfpv3, neon-fp16, neon-vfpv4,
11803         nofp and nosimd.
11804         (armv7ve): Likewise.
11805         (armv7-r): Add options fp, fp.sp, idiv, nofp and noidiv.
11806         (armv7e-m): Add options fp, fpv5, fp.dp and nofp.
11807         (armv8-a): Add nocrypto option.
11808         (armv8.1-a, armv8.2-a): Likewise.
11809         (armv8-m.main): add options fp, fp.dp and nofp.
11810
11811 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11812
11813         * config/arm/arm-cpus.in (armv8-a): Add options crc, simd crypto and
11814         nofp.
11815         (armv8-a+crc): Delete.
11816         (armv8.1-a): Add options simd, crypto and nofp.
11817         (armv8.2-a): Add options fp16, simd, crypto and nofp.
11818         (armv8.2-a+fp16): Delete.
11819         (armv8-m.main): Add option dsp.
11820         (armv8-m.main+dsp): Delete.
11821         (cortex-a8): Add fpu.  Add nofp option.
11822         (cortex-a9): Add fpu.  Add nofp and nosimd options.
11823         * config/arm/parsecpu.awk (gen_data): Generate option tables and
11824         link to main cpu and architecture data structures.
11825         (gen_comm_data): Only put isa attributes from the main architecture
11826         in common tables.
11827         (option): New statement for architecture and CPU entries.
11828         * arm.c (struct cpu_option): New structure.
11829         (struct processors): Add entry for options.
11830         (arm_unrecognized_feature): New function.
11831         (arm_parse_arch_cpu_name): Ignore any characters after the first
11832         '+' character.
11833         (arm_parse_arch_cpu_feature): New function.
11834         (arm_configure_build_target): Separate out any CPU and architecture
11835         features and parse separately.  Don't error out if -mfpu=auto is
11836         used with only an architecture string.
11837         (arm_print_asm_arch_directives): New function.
11838         (arm_file_start): Call it.
11839         * config/arm/arm-cpu-cdata.h: Regenerated.
11840         * config/arm/arm-cpu-data.h: Likewise.
11841         * config/arm/arm-tables.opt: Likewise.
11842
11843 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11844
11845         * config/arm/elf.h (ASM_SPEC): Only pass -mfpu through to the
11846         assembler when it is not -mfpu=auto.
11847
11848 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11849
11850         * config/arm/arm.h (BIG_LITTLE_SPEC): Delete macro.
11851         (ASM_REWRITE_SPEC_FUNCTIONS): New macro.
11852         (BIG_LITTLE_CPU_SPEC_FUNCTIONS): Delete macro.
11853         (ASM_CPU_SPEC): Rewrite.
11854         (MCPU_MTUNE_NATIVE_FUNCTIONS): New macro.
11855         (EXTRA_SPEC_FUNCTIONS): Move outside of ifdef.  Use
11856         MCPU_MTUNE_NATIVE_FUNCTIONS and ASM_REWRITE_SPEC_FUNCTIONS.  Remove
11857         reference to BIG_LITTLE_CPU_SPEC_FUNCTIONS.
11858         * common/config/arm/arm-common.c (arm_rewrite_selected_cpu): Ensure
11859         copied string is NUL-terminated.  Also strip any characters prefixed
11860         by '+'.
11861         (arm_rewrite_selected_arch): New function.
11862         (arm_rewrite_march): New function.
11863
11864 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11865
11866         * config/arm/arm.opt (x_arm_arch_string): New TargetSave option.
11867         (x_arm_cpu_string, x_arm_tune_string): Likewise.
11868         (march, mcpu, mtune): Convert to string-based options.
11869         * config/arm/arm.c (arm_print_hint_for_core_or_arch): New function.
11870         (arm_parse_arch_cpu_name): New function.
11871         (arm_configure_build_target): Use arm_parse_arch_cpu_name to
11872         identify selected architecture or CPU.
11873         (arm_option_save): New function.
11874         (TARGET_OPTION_SAVE): Redefine.
11875         (arm_option_restore): Restore string options.
11876         (arm_option_print): Print string options.
11877
11878 2017-06-16  Martin Sebor  <msebor@redhat.com>
11879
11880         PR tree-optimization/80933
11881         PR tree-optimization/80934
11882         * builtins.c (fold_builtin_3): Do not handle bcmp here.
11883         * gimple-fold.c (gimple_fold_builtin_bcmp): New function.
11884         (gimple_fold_builtin_bcopy, gimple_fold_builtin_bzero): Likewise.
11885         (gimple_fold_builtin): Call them.
11886
11887 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
11888
11889         * gimple-ssa-isolate-paths.c (isolate_path): Set edge leading to path
11890         as unlikely; update profile.
11891
11892 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
11893
11894         * predict.c (force_edge_cold): Handle declaring edges impossible
11895         more aggresively.
11896
11897 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
11898
11899         * tree-ssa-loop-ivcanon.c (remove_exits_and_undefined_stmts): Update
11900         profile.
11901         (try_unroll_loop_completely): Fix reporting.
11902
11903 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
11904
11905         * tree-ssa-tail-merge.c (replace_block_by): Fix profile updating.
11906
11907 2017-06-16  James Greenhalgh  <james.greenhalgh@arm.com>
11908
11909         PR target/71778
11910         * config/arm/arm-builtins.c (arm_expand_builtin_args): Return TARGET
11911         if given a non-constant argument for an intrinsic which requires a
11912         constant.
11913
11914 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
11915
11916         * profile.c (compare_freqs): New function.
11917         (branch_prob): Sort edge list.
11918         (find_spanning_tree): Assume that the list is priority sorted.
11919
11920 2017-06-16  Richard Biener  <rguenther@suse.de>
11921
11922         PR tree-optimization/81090
11923         * passes.def (pass_record_bounds): Remove.
11924         * tree-pass.h (make_pass_record_bounds): Likewise.
11925         * tree-ssa-loop.c (pass_data_record_bounds, pass_record_bounds,
11926         make_pass_record_bounds): Likewise.
11927         * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables): Do
11928         not free niter estimates at the beginning but at the end.
11929         * tree-scalar-evolution.c (scev_finalize): Free niter estimates.
11930
11931 2017-06-16  Richard Biener  <rguenther@suse.de>
11932
11933         * tree-switch-conversion.c (emit_case_bit_tests): Adjust
11934         initializer to workaround ICE in host GCC 4.8.
11935
11936 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
11937
11938         * ipa-inline-transform.c (update_noncloned_frequencies): Update also
11939         counts.
11940         (clone_inlined_nodes): Update.
11941
11942 2017-06-16  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
11943
11944         * config/aarch64/aarch64.c (qdf24xx_prefetch_tune): Update
11945         prefetch settings, and enable prefetching by default at -O3.
11946
11947 2017-06-16  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
11948
11949         * config/aarch64/aarch64.c (aarch64_override_options_internal):
11950         Set flag_prefetch_loop_arrays according to tuning data.
11951
11952 2017-06-16  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
11953
11954         * config/aarch64/aarch64-protos.h (struct cpu_prefetch_tune):
11955         New tune structure.
11956         (struct tune_params): Use cpu_prefetch_tune instead of cache_line_size.
11957         [Unrelated to main purpose of the patch] Place the pointer field last
11958         to enable type checking errors when tune structure are wrongly merged.
11959         * config/aarch64/aarch64.c (generic_prefetch_tune,)
11960         (exynosm1_prefetch_tune, qdf24xx_prefetch_tune,)
11961         (thunderx2t99_prefetch_tune): New tune constants.
11962         (tune_params *_tunings): Update all tunings (no functional change).
11963         (aarch64_override_options_internal): Set PARAM_SIMULTANEOUS_PREFETCHES,
11964         PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE, and PARAM_L2_CACHE_SIZE
11965         from tunings structures.
11966
11967 2017-06-16  Jakub Jelinek  <jakub@redhat.com>
11968
11969         PR sanitizer/81094
11970         * ubsan.c (instrument_null): Add T argument, use it instead
11971         of computing it based on IS_LHS.
11972         (instrument_object_size): Likewise.
11973         (pass_ubsan::execute): Adjust instrument_null and
11974         instrument_object_size callers to pass gimple_get_lhs or
11975         gimple_assign_rhs1 result to it.  Use instrument_null instead of
11976         calling get_base_address and instrument_mem_ref.  Handle
11977         aggregate call arguments for object-size sanitization.
11978
11979 2017-06-16  Yury Gribov  <tetra2005@gmail.com>
11980
11981         PR tree-optimization/81089
11982         * tree-vrp.c (is_masked_range_test): Validate operands of
11983         subexpression.
11984
11985 2017-06-15  Martin Sebor  <msebor@redhat.com>
11986
11987         PR c++/80560
11988         * dumpfile.c (dump_register): Avoid calling memset to initialize
11989         a class with a default ctor.
11990         * gcc.c (struct compiler): Remove const qualification.
11991         * genattrtab.c (gen_insn_reserv): Replace memset with initialization.
11992         * hash-table.h: Ditto.
11993         * ipa-cp.c (allocate_and_init_ipcp_value): Replace memset with
11994           assignment.
11995         * ipa-prop.c (ipa_free_edge_args_substructures): Ditto.
11996         * omp-low.c (lower_omp_ordered_clauses): Replace memset with
11997         default ctor.
11998         * params.h (struct param_info): Make struct members non-const.
11999         * tree-switch-conversion.c (emit_case_bit_tests): Replace memset
12000         with default initialization.
12001         * vec.h (vec_copy_construct, vec_default_construct): New helper
12002         functions.
12003         (vec<T>::copy, vec<T>::splice, vec<T>::reserve): Replace memcpy
12004         with vec_copy_construct.
12005         (vect<T>::quick_grow_cleared): Replace memset with default ctor.
12006         (vect<T>::vec_safe_grow_cleared, vec_safe_grow_cleared): Same.
12007         * doc/invoke.texi (-Wclass-memaccess): Document.
12008
12009 2017-06-15  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
12010
12011         * emit-rtl.h (is_leaf): Update comment about local
12012         register allocator.
12013
12014 2017-06-15  Jozef Lawrynowicz   <jozef.l@somniumtech.com>
12015
12016         PR target/78818
12017         * config/msp430/msp430.c (msp430_data_attr): Check that it's possible
12018         for a variable to have a section before checking if the section has a
12019         name.
12020         Set section to.persistent if persistent attribute is set.
12021         Warn if .persistent attribute is used on an automatic variable.
12022
12023 2017-06-15  Eric Botcazou  <ebotcazou@adacore.com>
12024
12025         PR rtl-optimization/80474
12026         * reorg.c (update_block): Do not ignore instructions in a delay slot.
12027
12028 2017-06-15  Segher Boessenkool  <segher@kernel.crashing.org>
12029
12030         * config/rs6000/rs6000.md (add<mode>3): Use reg_or_subregno instead
12031         of REGNO.
12032
12033 2017-06-14  Maciej W. Rozycki  <macro@imgtec.com>
12034
12035         * config/mips/mips.md (MIPS16_T_REGNUM): Remove constant.
12036         (casesi): Emit bounds checking as RTL.
12037         (casesi_internal_mips16_<mode>): Remove bounds checking.
12038
12039 2017-06-14  Max Filippov  <jcmvbkbc@gmail.com>
12040
12041         * config/xtensa/xtensa.c (xtensa_option_override): Append
12042         MASK_CONST16 to target_flags in the absence of TARGET_L32R.
12043         (hwloop_optimize, hwloop_fail, hwloop_pattern_reg,
12044          xtensa_doloop_hooks): Define unconditionally.
12045         (xtensa_reorg_loops): Only call reorg_loops in the presence of
12046         TARGET_LOOPS.
12047         * config/xtensa/xtensa.h (TARGET_L32R): New definition.
12048         (TARGET_DEFAULT): Remove XCHAL_HAVE_L32R condition and account
12049         for it in xtensa_option_override.
12050         (HARD_FRAME_POINTER_IS_FRAME_POINTER,
12051          HARD_FRAME_POINTER_IS_ARG_POINTER): New definitions.
12052
12053 2017-06-14  Boris Kolpackov  <boris@codesynthesis.com>
12054
12055         * doc/cppopts.texi: Document '-' special value to -MF.
12056
12057 2017-06-14  Wilco Dijkstra  <wdijkstr@arm.com>
12058
12059         * config/arm/cortex-a53.md (cortex_a53_fpalu) Adjust latency.
12060         (cortex_a53_fconst): Likewise.
12061         (cortex_a53_fpmul): Likewise.
12062         (cortex_a53_f_load_64): Likewise.
12063         (cortex_a53_f_load_many): Likewise.
12064         (cortex_a53_advsimd_alu): Likewise.
12065         (cortex_a53_advsimd_alu_q): Likewise.
12066         (cortex_a53_advsimd_mul): Likewise.
12067         (cortex_a53_advsimd_mul_q): Likewise.
12068         (fpmac bypass): Add new bypass for fpmac-fpmac case.
12069         Add missing fmul, r2f_cvt and fconst cases.
12070
12071 2017-06-14  Richard Biener  <rguenther@suse.de>
12072
12073         PR middle-end/81088
12074         * fold-const.c (split_tree): Drop TREE_OVERFLOW flag from
12075         literal constants.
12076         (fold_binary_loc): When associating do not treat pre-existing
12077         TREE_OVERFLOW on literal constants as a reason to allow
12078         TREE_OVERFLOW on associated literal constants.
12079
12080 2017-06-14  Eric Botcazou  <ebotcazou@adacore.com>
12081
12082         * config/sparc/sparc.h (MASK_ISA): Add MASK_LEON and MASK_LEON3.
12083         (MASK_FEATURES): New macro.
12084         * config/sparc/sparc.c (sparc_option_override): Remove the special
12085         handling of -mfpu and generalize it to all MASK_FEATURES switches.
12086
12087 2017-06-14  Eric Botcazou  <ebotcazou@adacore.com>
12088
12089         * simplify-rtx.c (simplify_binary_operation_1) <UDIV>: Do not simplify
12090         a division of 0 if non-call exceptions are enabled.
12091
12092 2017-06-14  Andrew Pinski  <apinski@cavium.com>
12093             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
12094
12095         PR target/71663
12096         * config/aarch64/aarch64.c (aarch64_expand_vector_init):
12097         Improve vector initialization code gen for only variable case.
12098
12099 2017-06-14  Eric Botcazou  <ebotcazou@adacore.com>
12100
12101         * config/sparc/driver-sparc.c (cpu_names): Add SPARC-T5 entry.
12102
12103 2017-06-14  Richard Biener  <rguenther@suse.de>
12104
12105         PR tree-optimization/81083
12106         * tree-ssa-sccvn.c (vn_reference_lookup_3): Do not use abnormals
12107         as values.
12108
12109 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
12110
12111         * config/rs6000/rs6000.c: Update all comments that mentioned SPE.
12112         (rs6000_expand_builtin): Remove RS6000_BTC_EVSEL.
12113         * config/rs6000/rs6000.h (RS6000_BTC_EVSEL): Delete.
12114         * config/rs6000/vxworks.h (VXCPU_FOR_8548): Delete.  Adjust former use.
12115         * config/rs6000/vxworksae.h (VXCPU_FOR_8548): Delete.
12116         * config/rs6000/vxworksmils.h (VXCPU_FOR_8548): Delete.
12117
12118 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
12119
12120         * config/rs6000/rs6000-opts.h (enum rs6000_vector): Delete VECTOR_SPE.
12121         * config/rs6000/rs6000.c (rs6000_debug_vector_unit): Delete VECTOR_SPE.
12122
12123 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
12124
12125         * config/rs6000/rs6000.h (FIXED_SCRATCH): Delete.
12126
12127 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
12128
12129         * config/rs6000/t-rtems: Don't handle SPE.
12130
12131 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
12132
12133         * config/rs6000/t-linux: Don't handle SPE.
12134
12135 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
12136
12137         * config/rs6000/eabispe.h: Delete file.
12138
12139 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
12140
12141         * config/rs6000/t-spe: Delete file.
12142
12143 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
12144
12145         * config/rs6000/rs6000.c (SPE_CONST_OFFSET_OK): Delete.
12146         (rs6000_legitimate_offset_address_p): Return false for anything in
12147         V2SImode or V2SFmode.
12148
12149 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
12150
12151         * config/rs6000/rs6000-modes.def: Remove all 8-byte vector modes
12152         except V2SF and V2SI.  Rearrange the vector modes, and add comments.
12153         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Remove V8QImode
12154         and V4HImode.
12155         (reg_offset_addressing_ok_p): Remove V4HImode and V1DImode.
12156         (rs6000_legitimate_offset_address_p): Ditto.
12157         (rs6000_emit_move): Ditto.
12158         (rs6000_init_builtins): Remove V4HI_type_node.
12159
12160 2017-06-13  Martin Liska  <mliska@suse.cz>
12161
12162         PR sanitize/78204
12163         * asan.c (asan_sanitize_stack_p): Use sanitize_flags_p.
12164         (gate_asan): Likewise.
12165         * asan.h (asan_no_sanitize_address_p): Remove the function.
12166         (sanitize_flags_p): New function.
12167         * builtins.def: Fix coding style.
12168         * common.opt: Use renamed enum value.
12169         * convert.c (convert_to_integer_1): Use sanitize_flags_p.
12170         * doc/extend.texi: Document no_sanitize attribute.
12171         * flag-types.h (enum sanitize_code): Rename SANITIZE_NONDEFAULT
12172         to SANITIZE_UNDEFINED_NONDEFAULT.
12173         * gcc.c (sanitize_spec_function): Use the renamed enum value.
12174         * gimple-fold.c (optimize_atomic_compare_exchange_p):
12175         Use sanitize_flags_p.
12176         * gimplify.c (gimplify_function_tree): Likewise.
12177         * ipa-inline.c (sanitize_attrs_match_for_inline_p): Likewise.
12178         * opts.c (parse_no_sanitize_attribute): New function.
12179         (common_handle_option): Use renamed enum value.
12180         * opts.h (parse_no_sanitize_attribute): Declare.
12181         * tree.c (sanitize_flags_p): New function.
12182         * tree.h: Declared here.
12183         * tsan.c: Use sanitize_flags_p.
12184         * ubsan.c (ubsan_expand_null_ifn): Likewise.
12185         (instrument_mem_ref): Likewise.
12186         (instrument_bool_enum_load): Likewise.
12187         (do_ubsan_in_current_function): Remove the function.
12188         (pass_ubsan::execute): Use sanitize_flags_p.
12189         * ubsan.h: Remove do_ubsan_in_current_function
12190         * tree-cfg.c (print_no_sanitize_attr_value): New function.
12191         (dump_function_to_file): Use it here.
12192
12193 2017-06-13  Martin Jambor  <mjambor@suse.cz>
12194
12195         PR tree-optimization/80803
12196         PR tree-optimization/81063
12197         * tree-sra.c (subtree_mark_written_and_enqueue): Move up in the file.
12198         (propagate_subaccesses_across_link): Enqueue subtree whenever
12199         necessary instead of relying on the caller.
12200
12201 2017-06-13  Martin Jambor  <mjambor@suse.cz>
12202
12203         * tree-sra.c (add_access_to_work_queue): Only enqueue accesses
12204         that have a first_link.
12205         (sort_and_splice_var_accesses): Do not check first_link before
12206         enquing.
12207         (subtree_mark_written_and_enqueue): Likewise.
12208         (propagate_all_subaccesses): Likewise and do not stop at first
12209         parent with a first_link.
12210
12211 2017-06-13  Martin Jambor  <mjambor@suse.cz>
12212
12213         * tree-sra.c (dump_access_tree_1): Fix accidental dumping to stderr
12214         instead of f.
12215
12216 2017-06-13  Yury Gribov  <tetra2005@gmail.com>
12217
12218         * match.pd: New pattern.
12219
12220 2017-06-13  Yury Gribov  <tetra2005@gmail.com>
12221
12222         * tree-vrp.c (is_masked_range_test): New function.
12223         (register_edge_assert_for): Determine ranges for
12224         some bit tests.
12225
12226 2017-06-13  Yury Gribov  <tetra2005@gmail.com>
12227
12228         PR tree-optimization/67328
12229         * fold-const.c (maskable_range_p): New function.
12230         (build_range_check): Generate bittests if possible.
12231
12232 2017-06-13  Martin Liska  <mliska@suse.cz>
12233
12234         * gimple-pretty-print.c (dump_probability): Add new argument.
12235         (dump_edge_probability): Dump both probability and count.
12236         (dump_gimple_label): Likewise.
12237         (dump_gimple_bb_header): Likewise.
12238
12239 2017-06-13  Georg-Johann Lay  <avr@gjlay.de>
12240
12241         PR target/81072
12242         * config/avr/avr-devices.c: Fix indentation.
12243         * config/avr/gen-avr-mmcu-specs.c: Dito.
12244
12245 2017-06-13  Richard Biener  <rguenther@suse.de>
12246
12247         * tree-vect-loop.c (vect_model_reduction_cost): Do not fail,
12248         instead get vector type from stmt_info.
12249         (vectorizable_reduction): Adjust.  Remove dead code.
12250
12251 2017-06-13  Richard Biener  <rguenther@suse.de>
12252
12253         PR middle-end/81065
12254         * fold-const.c (extract_muldiv_1): Remove bogus distribution
12255         case of C * (x * C2 + C3).
12256         (fold_addr_of_array_ref_difference): Properly fold index difference.
12257
12258 2017-06-12  David S. Miller  <davem@davemloft.net>
12259
12260         PR target/80968
12261         * config/sparc/sparc.md (return expander): Emit frame blockage if
12262         function uses alloca.
12263
12264 2017-06-12  Richard Sandiford  <richard.sandiford@linaro.org>
12265
12266         * combine.c (make_field_assignment): Check len rather than the mode
12267         precision when calling force_to_mode.
12268
12269 2017-06-12  Georg-Johann Lay  <avr@gjlay.de>
12270
12271         Support multilibs and devices that see flash in RAM address range.
12272
12273         PR target/81072
12274         * config/avr/avr-arch.h (avr_arch_id) <ARCH_AVRXMEGA3>: New enum.
12275         (avr_mcu_t) <flash_pm_offset>: New field.
12276         (avr_device_specific_features) <AVR_ISA_RCALL>: New enum.
12277         * config/avr/avr.h (AVR_SHORT_CALLS): New define.
12278         (AVR_HAVE_JMP_CALL): Don't set if AVR_SHORT_CALLS.
12279         (AVR_TINY_PM_OFFSET): Remove macro.
12280         * config/avr/avr.opt (-mshort-calls): New option.
12281         * config/avr/gen-avr-mmcu-specs.c (print_mcu)
12282         [*self_spec]: Add / remove -mshort-calls depending on AVR_ISA_RCALL.
12283         * config/avr/avr-c.c (avr_cpu_cpp_builtins)
12284         <__AVR_SHORT_CALLS__>: Built-in define if AVR_SHORT_CALLS.
12285         <__AVR_HAVE_JMP_CALL__>: Use AVR_HAVE_JMP_CALL as condition
12286         instead of avr_arch->have_jmp_call.
12287         <__AVR_PM_BASE_ADDRESS__>: Built-in define if avr_arch->flash_pm_offset.
12288         [AVR_TINY] <__AVR_TINY_PM_BASE_ADDRESS__>: Use
12289         avr_arch->flash_pm_offset to define.
12290         * config/avr/avr-devices.c (avr_arch_types): Add initializers for
12291         new field flash_pm_offset.  Add entry for avrxmega3.
12292         (avr_texinfo): Add entry for avrxmega3.
12293         * config/avr/avr-mcus.def: Add entries for: avrxmega3,
12294         attiny212, attiny214,
12295         attiny412, attiny414, attiny416, attiny417,
12296         attiny814, attiny816, attiny817,
12297         attiny1614, attiny1616, attiny1617,
12298         attiny3214, attiny3216, attiny3217.
12299         * config/avr/avr.c (avr_assemble_integer)[AVR_TINY]: Use
12300         avr_arch->flash_pm_offset instead of AVR_TINY_PM_OFFSET.
12301         (avr_print_operand_address) [AVR_TINY]: Same.
12302         (avr_asm_init_sections) <readonly_data_section>: Only patch
12303         callback if avr_arch->flash_pm_offset = 0.
12304         (avr_asm_named_section) <avr_need_copy_data_p>: Skip setting it
12305         for rodata if avr_arch->flash_pm_offset != 0.
12306         (avr_encode_section_info) [AVR_TINY]: Adjust comment.
12307         * config/avr/genmultilib.awk (dir_rcall, opt_rcall): New vars.
12308         (opts) [AVR_ISA_RCALL]: Append opt_rcall.
12309         (m_options): Append opt_rcall.
12310         (m_dirnames): Append dir_rcall.
12311         * config/avr/t-multilib: Regenerate.
12312
12313         * configure.ac [target=avr]: Check whether avrxmega3 default
12314         linker description file works as needed.
12315         * configure: Regenerate.
12316         * doc/avr-mmcu.texi: Regenerate.
12317         * doc/invoke.texi (AVR Options) <-mshort-calls>: Document it.
12318         <__AVR_ARCH__>: Document avrxmega3 and 103.
12319         <__AVR_HAVE_JMP_CALL__>: Adjust documentation.
12320         <__AVR_SHORT_CALLS__>: Document it.
12321         <__AVR_PM_BASE_ADDRESS__>: Document it.
12322         * doc/extend.texi (AVR Options) <-mshort-calls>: Document it.
12323         (AVR Variable Attributes) <progmem>: Document this is
12324         not needed for avrxmega3.
12325         (AVR Named Address Spaces) <__flash>: Dito.
12326
12327 2017-06-12  Jan Hubicka  <hubicka@ucw.cz>
12328
12329         * cgraph.c (cgraph_node::dump): Complain about profile insanities.
12330
12331 2017-06-12  Doug Rupp  <rupp@adacore.com>
12332
12333         * config.gcc (*-*-vxworks*): Set use_gcc_stdint to "provide".
12334         Append vxworks-stdint.h to the tm_file list.
12335         * config/vxworks-stdint.h: New file.
12336
12337 2017-06-12  Martin Liska  <mliska@suse.cz>
12338
12339         PR tree-optimization/81041
12340         * tree-profile.c (gimple_gen_ic_func_profiler):
12341         Create an extra BB in profile-generate
12342         (gimple_gen_time_profiler): Likewise.
12343
12344 2017-06-12  Jakub Jelinek  <jakub@redhat.com>
12345
12346         PR tree-optimization/81003
12347         * tree-ssa-reassoc.c (force_into_ssa_name): New function.
12348         (update_range_test): Use it instead of force_gimple_operand_gsi.
12349
12350 2017-06-12  Richard Biener  <rguenther@suse.de>
12351
12352         PR tree-optimization/81053
12353         * tree-vect-loop.c (vect_is_simple_reduction): Handle PHI
12354         with backedge value not defined in loop.  Simplify def stmt
12355         compute.
12356
12357 2017-06-11  Tom de Vries  <tom@codesourcery.com>
12358
12359         PR target/79939
12360         * config/nvptx/nvptx.c (nvptx_cannot_force_const_mem): New function.
12361         Return true.
12362         (TARGET_CANNOT_FORCE_CONST_MEM): Redefine to
12363         nvptx_cannot_force_const_mem.
12364
12365 2017-06-10  Jan Hubicka  <hubicka@ucw.cz>
12366
12367         * opts.c (finish_options): Move test for flag_split_stack after
12368         it has been initialized.
12369
12370 2017-06-11  Jason Merrill  <jason@redhat.com>
12371
12372         * tree.h (id_equal): New.
12373         * dwarf2out.c, hsa-gen.c, ipa-devirt.c, omp-expand.c,
12374         omp-simd-clone.c, read-rtl-function.c, tree-chkp.c, tree.c: Use it
12375         instead of strcmp of IDENTIFIER_POINTER.
12376
12377 2017-06-10  Jan Hubicka  <hubicka@ucw.cz>
12378
12379         * ipa-inline-transform.c: Include function.h, cfg.h and basic-block.h
12380         (mark_all_inlined_calls_cdtor): Fix formating.
12381         (inline_transform): Rescale profile before inlining.
12382
12383 2017-06-10  Jan Hubicka  <hubicka@ucw.cz>
12384
12385         * cgraph.h (cgraph_edge::clone): Update prototype.
12386         * cgraphclones.c (cgraph_edge::clone): Update profile scaling.
12387         (cgraph_node::create_clone): Update.
12388         (cgraph_node::create_version_clone): Update.
12389         * tree-inline.c (copy_bb): Update.
12390         (expand_call_inline): Update.
12391
12392 2017-06-10  Segher Boessenkool  <segher@kernel.crashing.org>
12393
12394         * config/rs6000/rs6000.c (emit_vrsave_prologue): New function,
12395         factored out from ...
12396         (rs6000_emit_prologue): ... here.
12397
12398 2017-06-10  Segher Boessenkool  <segher@kernel.crashing.org>
12399
12400         * config/rs6000/rs6000.c (emit_split_stack_prologue): New function,
12401         factored out from ...
12402         (rs6000_emit_prologue): ... here.
12403
12404 2017-06-10  Jan Hubicka  <hubicka@ucw.cz>
12405
12406         * predict.c (drop_profile): Also drop individual bb/edge and cgraph
12407         edge counts.
12408         (handle_missing_profiles): Fix computation of tp_first_run.
12409         (counts_to_freqs): Do not touch freqs when count is 0.
12410
12411 2017-06-10  Jan Hubicka  <hubicka@ucw.cz>
12412
12413         * cgraphbuild.c (cgraph_edge::rebuild_references): Do not touch
12414         profile.
12415
12416 2017-06-10  Tom de Vries  <tom@codesourcery.com>
12417
12418         * doc/sourcebuild.texi (Effective-Target Keywords, Environment
12419         attributes): Document signal effective target.
12420
12421 2017-06-10  Tom de Vries  <tom@codesourcery.com>
12422
12423         * doc/sourcebuild.texi (Effective-Target Keywords, Other attributes):
12424         Document effective target stack_size.
12425
12426 2017-06-09  David Malcolm  <dmalcolm@redhat.com>
12427
12428         * diagnostic.c (diagnostic_report_diagnostic): Only add fixits
12429         to the edit_context if they can be auto-applied.
12430
12431 2017-06-9  Ian Lance Taylor  <iant@golang.org>
12432
12433         * opts.c (finish_options): If -fsplit-stack, disable implicit
12434         -forder-blocks-and-partition.
12435         * doc/invoke.texi (Optimize Options): Document that when using
12436         -fsplit-stack -forder-blocks-and-partition is not implicitly
12437         enabled.
12438
12439 2017-06-09  Jan Hubicka  <hubicka@ucw.cz>
12440
12441         * builtin-attrs.def (ATTR_NORETURN_NOTHROW_LEAF_COLD_LIST,
12442         ATTR_CONST_NORETURN_NOTHROW_LEAF_COLD_LIST,
12443         ATTR_TMPURE_NORETURN_NOTHROW_LEAF_COLD_LIST): New.
12444         * builtins.def (abort, trap, unreachable): Declare cold.
12445         * calls.c (flags_from_decl_or_type): Lookup ECF_COLD.
12446         * tree-core.h (ECF_COLD): New.
12447         * tree.c (set_call_expr_flags): Handle ECF_COLD.
12448         (build_common_builtin_nodes): Mark unreachable and abort as cold.
12449
12450 2017-06-09  Jan Hubicka  <hubicka@ucw.cz>
12451
12452         * predict.c (unlikely_executed_stmt_p): Cleanup.
12453
12454 2017-06-09  Richard Biener  <rguenther@suse.de>
12455
12456         * tree-ssa-loop-im.c (execute_sm): Do not force multi-threaded
12457         model if the ref is always written to.
12458
12459 2017-06-09  Tamar Christina  <tamar.christina@arm.com>
12460
12461         * config/aarch64/aarch64.md (lrint<GPF:mode><GPI:mode>2): New.
12462
12463 2017-06-09  Tamar Christina  <tamar.christina@arm.com>
12464
12465         * config/arm/arm.c (arm_rtx_costs_internal): Make sdiv more expensive
12466         than udiv.
12467
12468 2017-06-09  Tom de Vries  <tom@codesourcery.com>
12469
12470         PR target/80855
12471         * config/nvptx/nvptx.md (define_expand "mov<QHSDISDFM>"): Error out with
12472         "target cannot support label values" when encountering LABEL_REF.
12473
12474 2017-06-09  Martin Liska  <mliska@suse.cz>
12475
12476         * tree-profile.c (gimple_gen_ic_profiler): Update comment.
12477         (gimple_gen_ic_func_profiler): Emit direct comparison
12478         of __gcov_indirect_call_callee with NULL.
12479         (gimple_gen_time_profiler): Change probability from
12480         PROB_VERY_UNLIKELY to PROB_UNLIKELY.
12481
12482 2017-06-09  Jan Hubicka  <hubicka@ucw.cz>
12483
12484         * profile.c (edge_gcov_counts): Turn to pointer.
12485         (compute_branch_probabilities, compute_branch_probabilities): Update.
12486         (branch_prob): Do not clear edge_gcov_count.
12487         * profile.h (edge_gcov_counts): Turn to pointer.
12488         (edge_gcov_count): Update.
12489
12490 2017-06-09  Jan Hubicka  <hubicka@ucw.cz>
12491
12492         * gimple.h (gimple_check_failed): Mark cold.
12493
12494 2017-06-09  Richard Biener  <rguenther@suse.de>
12495
12496         PR tree-optimization/66623
12497         * tree-vect-loop.c (vect_is_simple_reduction): Cleanup,
12498         refactor check_reduction into two parts, properly computing
12499         whether we have to check reduction validity for outer loop
12500         vectorization.
12501
12502 2017-06-09  Richard Biener  <rguenther@suse.de>
12503
12504         PR tree-optimization/79483
12505         * graphite-scop-detection.c (order): New global.
12506         (get_order): Compute bb to order mapping that satisfies code
12507         generation constraints.
12508         (cmp_pbbs): New helper.
12509         (build_scops): Start domwalk at entry block, sort generated
12510         pbbs.
12511
12512 2017-06-09  Richard Biener  <rguenther@suse.de>
12513
12514         PR middle-end/81007
12515         * ipa-polymorphic-call.c
12516         (ipa_polymorphic_call_context::restrict_to_inner_class):
12517         Skip FIELD_DECLs with error_mark_node type.
12518         * passes.def (all_lowering_passes): Run pass_build_cgraph_edges
12519         last again.
12520
12521 2017-06-09  Martin Liska  <mliska@suse.cz>
12522
12523         * predict.c (struct branch_predictor): New struct.
12524         (test_prediction_value_range): New test.
12525         (predict_c_tests): New function.
12526         * selftest-run-tests.c (selftest::run_tests): Run the function.
12527         * selftest.h: Declare new tests.
12528
12529 2017-06-09  Segher Boessenkool  <segher@kernel.crashing.org>
12530
12531         PR target/80966
12532         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Assert that
12533         gen_add3_insn did not fail.
12534         * config/rs6000/rs6000.md (add<mode>3): If asked to add a constant to
12535         r0, construct that number in a temporary reg and add that reg to r0.
12536         If asked to put the result in r0 as well, fail.
12537
12538 2017-06-08  Will Schmidt  <will_schmidt@vnet.ibm.com>
12539
12540         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling
12541         for early expansion of vec_eqv.
12542
12543 2017-06-08  Jakub Jelinek  <jakub@redhat.com>
12544
12545         PR middle-end/81005
12546         * ubsan.c (instrument_null): Avoid pointless code temporary.
12547         (pass_ubsan::execute): Instrument aggregate arguments of calls.
12548
12549 2017-06-08  Uros Bizjak  <ubizjak@gmail.com>
12550
12551         PR target/81015
12552         Revert:
12553         2016-12-14  Uros Bizjak  <ubizjak@gmail.com>
12554
12555         PR target/59874
12556         * config/i386/i386.md (*ctzhi2): New insn_and_split pattern.
12557         (*clzhi2): Ditto.
12558
12559 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
12560
12561         * predict.c (unlikely_executed_edge_p): Move ahead.
12562         (probably_never_executed_edge_p): Use it.
12563
12564 2017-06-08  Alexander Ivchenko  <alexander.ivchenko@intel.com>
12565
12566         PR middle-end/79988
12567         * tree-chkp.c (chkp_gimple_call_builtin_p): Remove
12568         gimple_call_builtin_p call.
12569
12570 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
12571
12572         * system.h (fancy_abort): Annotate by ATTRIBUTE_COLD.
12573         * rtl.h (rtl_check_failed_bounds, rtl_check_failed_type1,
12574         rtl_check_failed_type2, rtl_check_failed_code1,
12575         rtl_check_failed_code2, rtl_check_failed_code_mode,
12576         rtl_check_failed_block_symbol, cwi_check_failed_bounds,
12577         rtvec_check_failed_bounds, rtl_check_failed_flag,
12578         _fatal_insn_not_found, _fatal_insn): Likewise.
12579         * tree.h (tree_contains_struct_check_failed,
12580         tree_check_failed, tree_not_check_failed,
12581         tree_class_check_failed, tree_range_check_failed,
12582         tree_not_class_check_failed, tree_int_cst_elt_check_failed,
12583         tree_vec_elt_check_failed, phi_node_elt_check_failed,
12584         tree_operand_check_failed, omp_clause_check_failed,
12585         omp_clause_operand_check_failed, omp_clause_range_check_failed):
12586         Likewise.
12587
12588 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
12589
12590         * cgraph.c (cgraph_edge::maybe_hot_p): Do not check
12591         flag_branch_probabilities.
12592         * ipa-inline.c (edge_badness): Likewise.
12593         * ipa-profile.c (ipa_propagate_frequency_1): Likewise.
12594         * postreload-gcse.c (eliminate_partially_redundant_load): Likewise.
12595         * predict.c (maybe_hot_frequency_p): Likewise.
12596         (probably_never_executed): Likewise.
12597         * sched-ebb.c (schedule_ebbs): Likewise.
12598         * sched-rgn.c (find_single_block_region): Likewise.
12599         * tracer.c (tail_duplicate): Likewise.
12600
12601 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
12602
12603         * opts.c (finish_options): x_flag_reorder_blocks_and_partition no
12604         longer requires x_flag_profile_use.
12605
12606 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
12607
12608         * cfgrtl.c (cfg_layout_initialize): Check crtl->has_bb_partition
12609         instead of flag_reorder_blocks_and_partition.
12610         * dbxout.c (dbxout_function_end): Likewise.
12611         * dwarf2out.c (gen_subprogram_die): Likewise.
12612         * haifa-sched.c (sched_create_recovery_edges): Likewise.
12613         * hw-doloop.c (reorg_loops): Likewise.
12614         * varasm.c (assemble_start_function,
12615         assemble_end_function): Likewise.
12616         (decide_function_section): Do not check for
12617         flag_reorder_blocks_and_partition.
12618
12619 2017-06-08  Alexander Ivchenko  <alexander.ivchenko@intel.com>
12620
12621         * tree-chkp.c (chkp_get_hard_register_var_fake_base_address):
12622         New function.
12623         (chkp_get_hard_register_fake_addr_expr): Ditto.
12624         (chkp_build_addr_expr): Add check for hard reg case.
12625         (chkp_parse_array_and_component_ref): Ditto.
12626         (chkp_find_bounds_1): Ditto.
12627         (chkp_process_stmt): Don't generate bounds store for
12628         hard reg case.
12629
12630 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
12631
12632         * predict.c (maybe_hot_bb_p): Do not check profile status.
12633         (maybe_hot_edge_p): Likewise.
12634         (probably_never_executed): Check for zero counts even if profile
12635         is not read.
12636         (unlikely_executed_edge_p): New function.
12637         (unlikely_executed_stmt_p): New function.
12638         (unlikely_executed_bb_p): New function.
12639         (set_even_probabilities): Use unlikely predicates.
12640         (combine_predictions_for_bb): Likewise.
12641         (predict_paths_for_bb): Likewise.
12642         (predict_paths_leading_to_edge): Likewise.
12643         (determine_unlikely_bbs): New function.
12644         (estimate_bb_frequencies): Use it.
12645         (compute_function_frequency): Use zero counts even if profile is
12646         not read.
12647         * profile-count.h: Fix typo.
12648
12649 2017-08-08  Julia Koval  <julia.koval@intel.com>
12650
12651         * config/i386/avx512bwintrin.h (_mm512_mask_cvtepi16_storeu_epi8,
12652         _mm512_mask_cvtsepi16_storeu_epi8,
12653         _mm512_mask_cvtusepi16_storeu_epi8): New intrinsics.
12654         * config/i386/avx512vlbwintrin.h (_mm256_mask_cvtepi16_storeu_epi8,
12655         _mm_mask_cvtsepi16_storeu_epi8, _mm256_mask_cvtsepi16_storeu_epi8,
12656         _mm_mask_cvtusepi16_storeu_epi8, _mm256_mask_cvtusepi16_storeu_epi8,
12657         _mm_mask_cvtepi16_storeu_epi8): New intrinsics.
12658         * config/i386/i386-builtin-types.def (PV8Q, V8QI): New pointer type.
12659         (VOID_FTYPE_PV32QI_V32HI_USI, VOID_FTYPE_PV8QI_V8HI_UQI,
12660         VOID_FTYPE_PV16QI_V16HI_UHI): New function types.
12661         * config/i386/i386-builtin.def (__builtin_ia32_pmovwb128mem_mask,
12662         __builtin_ia32_pmovwb256mem_mask, __builtin_ia32_pmovswb128mem_mask,
12663         __builtin_ia32_pmovswb256mem_mask, __builtin_ia32_pmovuswb128mem_mask,
12664         __builtin_ia32_pmovuswb256mem_mask,
12665         __builtin_ia32_pmovuswb512mem_mask, __builtin_ia32_pmovswb512mem_mask)
12666         __builtin_ia32_pmovwb512mem_mask): New builtins.
12667
12668 2017-08-08  Julia Koval  <julia.koval@intel.com>
12669
12670         PR target/73350,80862
12671         * config/i386/subst.md (round): Fix round pattern.
12672         * config/i386/i386.c (ix86_erase_embedded_rounding):
12673         Fix erasing rounding for the fixed pattern.
12674
12675 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
12676
12677         * cfgbuild.c (find_many_sub_basic_blocks): Fix thinko.
12678
12679 2017-06-08  Martin Liska  <mliska@suse.cz>
12680
12681         PR gcov-profile/80911
12682         * gcov.c (block_info::block_info): New constructor.
12683
12684 2017-06-07  Carl Love  <cel@us.ibm.com>
12685
12686         * config/rs6000/rs6000-c: The return type of the following
12687         built-in functions was implemented as int not long long.  Fix sign
12688         of return value for the unsigned version of vec_mulo and vec_mule.
12689         vector unsigned long long vec_bperm (vector unsigned long long,
12690                                              vector unsigned char)
12691         vector signed long long vec_mule (vector signed int,
12692                                           vector signed int)
12693         vector unsigned long long vec_mule (vector unsigned int,
12694                                             vector unsigned int)
12695         vector signed long long vec_mulo (vector signed int,
12696                                           vector signed int)
12697         vector unsigned long long vec_mulo (vector unsigned int,
12698                                             vector unsigned int)
12699         * doc/extend.texi: Fix the documentation for the built-in
12700         functions.
12701
12702 2017-06-07  Carl Love  <cel@us.ibm.com>
12703
12704         PR target/80982
12705         * config/rs6000/altivec.md (double<mode>2): Fix the implementation of
12706         for BE.
12707
12708 2017-06-07  Carl Love  <cel@us.ibm.com>
12709
12710         * config/rs6000/altivec.md: Fix argument swizzle in vec_doublel
12711         support, Generate       doublehv for signed int/float for BE case only.
12712
12713 2017-06-07  Alexander Monakov  <amonakov@ispras.ru>
12714
12715         * doc/invoke.texi (mcx16): Rewrite.
12716
12717 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
12718
12719         * config/rs6000/predicates.md (rs6000_nonimmediate_operand): Delete.
12720         * config/rs6000/rs6000.md (*movsi_internal1, movsi_from_sf,
12721         *mov<mode>_softfloat, and an anonymous splitter): Use
12722         nonimmediate_operand instead of rs6000_nonimmediate_operand.
12723
12724 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
12725
12726         * config/rs6000/darwin.h (REGISTER_NAMES): Delete the SPE_ACC and
12727         SPEFSCR registers.
12728         * config/rs6000/rs6000.c (rs6000_reg_names, alt_reg_names): Ditto.
12729         (enum rs6000_reg_type): Delete SPE_ACC_TYPE and SPEFSCR_REG_TYPE.
12730         (rs6000_debug_reg_global): Adjust.
12731         (rs6000_init_hard_regno_mode_ok): Adjust.
12732         (rs6000_dbx_register_number): Adjust.
12733         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Change to 115.
12734         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
12735         Remove SPE_ACC and SPEFSCR.
12736         (REG_ALLOC_ORDER): Ditto.
12737         (FRAME_POINTER_REGNUM): Change to 111.
12738         (enum reg_class): Remove the SPE_ACC and SPEFSCR registers.
12739         (REG_CLASS_NAMES): Ditto.
12740         (REG_CLASS_CONTENTS): Delete the SPE_ACC and SPEFSCR registers.
12741         (REGISTER_NAMES): Ditto.
12742         (ADDITIONAL_REG_NAMES): Ditto.
12743         (rs6000_reg_names): Ditto.
12744         * config/rs6000/rs6000.md: Renumber some register number
12745         define_constants.
12746
12747 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
12748
12749         * config/rs6000/darwin.h (REGISTER_NAMES): Delete the SPE high
12750         registers.
12751         * config/rs6000/rs6000.c (rs6000_reg_names, alt_reg_names): Ditto.
12752         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Change from 149
12753         to 117.
12754         (DWARF_REG_TO_UNWIND_COLUMN): Do not define.
12755         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
12756         Delete the SPE high registers.
12757         (REG_ALLOC_ORDER): Ditto.
12758         (enum reg_class): Remove SPE_HIGH_REGS.
12759         (REG_CLASS_NAMES): Ditto.
12760         (REG_CLASS_CONTENTS): Delete the SPE high registers.
12761         (REGISTER_NAMES): Ditto.
12762         (rs6000_reg_names): Ditto.
12763         * doc/tm.texi.in: Remove SPE as example.
12764         * doc/tm.texi: Regenerate.
12765
12766 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
12767
12768         * config/rs6000/8540.md (ppc8540_brinc): Delete.
12769         * config/rs6000/e500mc.md (e500mc_brinc): Delete.
12770         * config/rs6000/e500mc64.md (e500mc64_brinc): Delete.
12771         * config/rs6000/rs6000.md (type): Remove "brinc".
12772
12773 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
12774
12775         * config.gcc (powerpc*-*-*): Don't add spe.h to extra_headers.
12776         (powerpc*-linux*spe*): Use ${cpu_type} instead of rs6000.
12777         * config/rs6000/linuxspe.h: Delete file.
12778         * config/rs6000/rs6000.md: Don't include spe.md.
12779         * config/rs6000/spe.h: Delete file.
12780         * config/rs6000/spe.md: Delete file.
12781         * config/rs6000/t-rs6000: Remove spe.md.
12782
12783 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
12784
12785         * config/rs6000/predicates.md (reg_or_mem_operand): Reformat.
12786         (reg_or_none500mem_operand): Delete.
12787         * config/rs6000/rs6000.md (extendsfdf2): Use reg_or_mem_operand
12788         instead of reg_or_none500mem_operand.
12789
12790 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
12791
12792         * config/rs6000/rs6000.c (rs6000_option_override_internal): Delete
12793         handling of SPE flags.
12794         * config/rs6000/rs6000.opt (-mspe, -mspe=no, -mspe=yes): Delete.
12795
12796 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
12797
12798         * config/rs6000/rs6000-common.c (rs6000_handle_option): Remove
12799         SPE ABI handling.
12800         * config/rs6000/paired.md (paired_negv2sf2): Rename to negv2sf2.
12801         (paired_absv2sf2, paired_addv2sf3, paired_subv2sf3, paired_mulv2sf3,
12802         paired_divv2sf3): Similar.
12803         * config/rs6000/predicates.md: Replace TARGET_SPE, TARGET_SPE_ABI,
12804         SPE_VECTOR_MODE and SPE_HIGH_REGNO_P by 0; simplify.
12805         * config/rs6000/rs6000-builtin.def: Delete RS6000_BUILTIN_E and
12806         RS6000_BUILTIN_S.
12807         Delete BU_SPE_1, BU_SPE_2, BU_SPE_3, BU_SPE_E, BU_SPE_P, and BU_SPE_X.
12808         Rename the paired_* instruction patterns.
12809         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Do not
12810         define __SPE__.
12811         * config/rs6000/rs6000-protos.h (invalid_e500_subreg): Delete.
12812         * config/rs6000/rs6000.c: Delete RS6000_BUILTIN_E and RS6000_BUILTIN_S.
12813         (struct rs6000_stack): Delete fields spe_gp_save_offset, spe_gp_size,
12814         spe_padding_size, and spe_64bit_regs_used.  Replace TARGET_SPE and
12815         TARGET_SPE_ABI with 0, simplify.  Replace SPE_VECTOR_MODE with
12816         PAIRED_VECTOR_MODE.
12817         (struct machine_function): Delete field spe_insn_chain_scanned_p.
12818         (spe_func_has_64bit_regs_p): Delete.
12819         (spe_expand_predicate_builtin): Delete.
12820         (spe_expand_evsel_builtin): Delete.
12821         (TARGET_DWARF_REGISTER_SPAN): Do not define.
12822         (TARGET_MEMBER_TYPE_FORCES_BLK): Do not define.
12823         (invalid_e500_subreg): Delete.
12824         (rs6000_legitimize_address): Always force_reg op2 as well, for
12825         paired single memory accesses.
12826         (rs6000_member_type_forces_blk): Delete.
12827         (rs6000_spe_function_arg): Delete.
12828         (rs6000_expand_unop_builtin): Delete SPE handling.
12829         (rs6000_expand_binop_builtin): Ditto.
12830         (spe_expand_stv_builtin): Delete.
12831         (bdesc_2arg_spe): Delete.
12832         (spe_expand_builtin): Delete.
12833         (spe_expand_predicate_builtin): Delete.
12834         (spe_expand_evsel_builtin): Delete.
12835         (rs6000_invalid_builtin): Remove RS6000_BTM_SPE handling.
12836         (spe_init_builtins): Delete.
12837         (spe_func_has_64bit_regs_p): Delete.
12838         (savres_routine_name): Delete "info" parameter.  Adjust callers.
12839         (rs6000_emit_stack_reset): Ditto.
12840         (rs6000_dwarf_register_span): Delete.
12841         * config/rs6000/rs6000.h (TARGET_SPE_ABI, TARGET_SPE,
12842         UNITS_PER_SPE_WORD, SPE_HIGH_REGNO_P, SPE_SIMD_REGNO_P,
12843         SPE_VECTOR_MODE, RS6000_BTM_SPE, RS6000_BUILTIN_E, RS6000_BUILTIN_S):
12844         Delete.
12845         * config/rs6000/rs6000.md (FIRST_SPE_HIGH_REGNO, LAST_SPE_HIGH_REGNO):
12846         Delete.
12847         * config/rs6000/rs6000.opt (-mabi=spe, -mabi=no-spe): Delete.
12848         * config/rs6000/spe.md: Delete every pattern that uses TARGET_SPE.
12849         * config/rs6000/vector.md (absv2sf2, negv2sf2, addv2sf3, subv2sf3,
12850         mulv2sf3, divv2sf3): Delete expanders.
12851
12852 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
12853
12854         config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Delete.
12855
12856 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
12857
12858         * config/rs6000/rs6000-protos.h (output_e500_flip_gt_bit): Delete.
12859         * config/rs6000/rs6000.c: Ditto.
12860
12861 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
12862
12863         * config/rs6000/predicated.md (rs6000_cbranch_operator): Delete.
12864         * config/rs6000/rs6000.md: Replace rs6000_cbranch_operator by
12865         comparison_operator.
12866
12867 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
12868
12869         * config/rs6000/rs6000.c: Remove everything related to -mfloat-gprs.
12870         * config/rs6000/rs6000.opt: Ditto.
12871         * config/rs6000/t-rtems: Ditto.
12872
12873 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
12874
12875         * config/rs6000/predicates.md: Replace TARGET_E500_DOUBLE and
12876         TARGET_E500_SINGLE by 0, simplify.
12877         * config/rs6000/rs6000.c: Ditto.
12878         (rs6000_option_override_internal): Delete CHECK_E500_OPTIONS.
12879         (spe_build_register_parallel): Delete.
12880         * config/rs6000/rs6000.h: Delete TARGET_E500_SINGLE,
12881         TARGET_E500_DOUBLE, and CHECK_E500_OPTIONS.
12882         * config/rs6000/rs6000.md: Replace TARGET_E500_DOUBLE,
12883         TARGET_E500_SINGLE, and <E500_CONVERT> by 0, simplify.
12884         (E500_CONVERT): Delete.
12885         * config/rs6000/spe.md: Remove many patterns and all define_constants.
12886
12887 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
12888
12889         * config/rs6000/darwin.md: Replace TARGET_FPRS by 1 and simplify.
12890         * config/rs6000/dfp.md: Ditto.
12891         (negdd2, *negdd2_fpr): Merge.
12892         (absdd2, *absdd2_fpr): Merge.
12893         (negtd2, *negtd2_fpr): Merge.
12894         (abstd2, *abstd2_fpr): Merge.
12895         * config/rs6000/e500.h: Delete file.
12896         * config/rs6000/predicates.md (rs6000_cbranch_operator): Replace
12897         TARGET_FPRS by 1 and simplify.
12898         * config/rs6000/rs6000-c.c: Ditto.
12899         * config/rs6000/rs6000.c: Ditto.  Also replace TARGET_SF_SPE and
12900         TARGET_DF_SPE by 0.
12901         * config/rs6000/rs6000.h: Ditto.  Delete TARGET_SF_SPE and
12902         TARGET_DF_SPE.
12903         * config/rs6000/rs6000.md: Ditto.
12904         (floatdidf2, *floatdidf2_fpr): Merge.
12905         (move_from_CR_gt_bit): Delete.
12906         * config/rs6000/spe.md: Replace TARGET_FPRS by 1 and simplify.
12907         (E500_CR_IOR_COMPARE): Delete.
12908         (All patterns that require !TARGET_FPRS): Delete.
12909         * config/rs6000/vsx.md: Replace TARGET_FPRS by 1 and simplify.
12910
12911 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
12912
12913         * passes.def (pass_iv_canon): Move before pass_loop_distribution.
12914
12915 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
12916
12917         * graphds.c (add_edge): Intitialize edge's attached data.
12918         (foll_in_subgraph, dfs_fst_edge, dfs_next_edge): New function
12919         pointer parameter.  Call pointed function on each edge during
12920         graph traversing.  Skip traversing the edge when the function
12921         returns true.
12922         (graphds_dfs, graphds_scc): Ditto.
12923         (for_each_edge): New parameter.  Pass the new parameter to callback
12924         function.
12925         * graphds.h (skip_edge_callback): New function pointer type.
12926         (graphds_dfs, graphds_scc): New function pointer parameter.
12927         (graphds_edge_callback, for_each_edge): New parameter.
12928
12929 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
12930
12931         * tree-vect-data-refs.c (vect_mark_for_runtime_alias_test): Factor
12932         out code checking if runtime alias check is possible to below ...
12933         Call the new function.
12934         * tree-data-ref.c (runtime_alias_check_p): ... to new function.
12935         * tree-data-ref.h (runtime_alias_check_p): New decalaration.
12936
12937 2017-06-07  Marek Polacek  <polacek@redhat.com>
12938
12939         PR sanitizer/80932
12940         * fold-const.c (extract_muldiv_1) <case MINUS_EXPR>: Add
12941         TYPE_OVERFLOW_WRAPS check.
12942
12943 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
12944
12945         * tree-vect-loop-manip.c (vect_do_peeling): Don't skip vector loop
12946         if versioning is required.
12947         * tree-vect-loop.c (vect_analyze_loop_2): Merge niter check for loop
12948         peeling with the check for versioning.
12949
12950 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
12951
12952         * tree-vectorizer.h (vect_build_loop_niters): New parameter.
12953         * tree-vect-loop-manip.c (vect_build_loop_niters): New parameter.
12954         Set true to new parameter if new ssa variable is defined.
12955         (vect_gen_vector_loop_niters): Refactor.  Set range information
12956         for the new vector loop bound variable.
12957         (vect_do_peeling): Ditto.
12958
12959 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
12960
12961         * tree-affine.c (ssa.h): Include header file.
12962         (tree_to_aff_combination): Handle (T1)(X - CST) when inner type
12963         has wrapping overflow behavior.
12964
12965 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
12966
12967         * tree-affine.c (tree_to_aff_combination): Handle (T1)(X + X).
12968
12969 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
12970
12971         (aff_combination_expand): Move (T1)(X *+- CST) simplification to ...
12972         (tree_to_aff_combination): ... here.
12973
12974 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
12975
12976         * tree-ssa-loop-ivopts.c (ivopts_estimate_reg_pressure): New
12977         reg_pressure model function.
12978         (ivopts_global_cost_for_size): Delete.
12979         (determine_set_costs, iv_ca_recount_cost): Call new model function
12980         ivopts_estimate_reg_pressure.
12981
12982 2017-06-07  Tamar Christina  <tamar.christina@arm.com>
12983
12984         * config/aarch64/aarch64.c (aarch64_rtx_costs): Make sdiv more
12985         expensive than udiv.  Remove floating point cases from mod.
12986
12987 2017-06-07  Tamar Christina  <tamar.christina@arm.com>
12988
12989         * config/arm/aarch-cost-tables.h (cortexa53_extra_cost):
12990         Increase idiv cost.
12991
12992 2017-06-07  Tamar Christina  <tamar.christina@arm.com>
12993
12994         * config/aarch64/aarch64.md
12995         (copysignsf3): Fix mask generation.
12996
12997 2017-06-07  Jakub Jelinek  <jakub@redhat.com>
12998
12999         * dumpfile.h (enum tree_dump_index): Rename TDI_generic to
13000         TDI_gimple.
13001         (class dump_manager): Add register_dumps method.
13002         * dumpfile.c: Include langhooks.h.
13003         (dump_files): Use 0 instead of 3/4/5 for TDI_{original,gimple,nested}.
13004         (FIRST_AUTO_NUMBERED_DUMP): Decrease to 1.
13005         (FIRST_ME_AUTO_NUMBERED_DUMP): Define.
13006         (dump_manager::dump_register): Start with 512 entries instead of 32.
13007         (dump_manager::register_dumps): New method.
13008         * toplev.c (general_init): Instead of invoking register_dumps
13009         langhook, invoke register_dumps method on the dump manager.
13010         * gimplify.c (gimplify_function_tree): Use TDI_gimple instead of
13011         TDI_generic.
13012
13013 2017-06-07  Richard Sandiford  <richard.sandiford@linaro.org>
13014
13015         * doc/md.texi: Clarify the restrictions on a define_insn condition.
13016         Say that # requires an associated define_split to exist, and that
13017         the define_split must be suitable for use after register allocation.
13018
13019 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
13020
13021         * cfgbuild.c (find_bb_boundaries): Initialize profile of split blocks.
13022         (compute_outgoing_frequencies): Also initialize zero counts.
13023         (find_many_sub_basic_blocks): Do not produce uninitialized profile
13024         around loops; preserve more of profile when nothing changes.
13025
13026 2017-06-06  Jim Wilson  <jim.wilson@linaro.org>
13027
13028         * config/aarch64/aarch64-cost-tables.h (qdf24xx_extra_costs): Move to
13029         here.
13030         * config/arm/aarch-cost-tables.h (qdf24xx_extra_costs): From here.
13031         * config/arm/arm-cpu-cdata.h: Regenerate.
13032         * config/arm/arm-cpu-data.h, config/arm/arm-cpu.h: Likewise.
13033         * config/arm/arm-tables.opt, config/arm/arm-tune.md: Likewise.
13034         * config/arm/arm-cpus.in: Delete falkor and qdf24xx entries.
13035         * config/arm/arm.c (arm_qdf24xx_tune): Delete.
13036         * config/arm/bpabi.h (BE8_LINK_SPEC): Delete falkor and qdf24xx
13037         support.
13038         * config/arm/t-aprofile (MULTILIB_MATCHES): Delete falkor and qdf24xx
13039         support.
13040         * config/arm/t-rmprofile: Likewise.
13041         * doc/invoke.texi (ARM Options): Drop falkor and qdf24xx support.
13042
13043 2017-06-06  David S. Miller  <davem@davemloft.net>
13044
13045         PR target/80968
13046         * config/sparc/sparc.c (sparc_expand_prologue): Emit frame
13047         blockage if function uses alloca.
13048
13049 2017-06-06  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
13050
13051         * tree-ssa-loop-prefetch.c (struct mem_ref_group, struct mem_ref):
13052         New "uid" fields to hold pretty-print IDs of group and ref.
13053         Memory references are now identified as <group_id>:<ref_id>
13054         instead of using [random] addresses.
13055         (dump_mem_details): Simplify, no functional change.
13056         (dump_mem_ref): Simplify and make output more concise.
13057         Replace couple of fprintf's throughout code with calls to dump_mem_ref.
13058         (find_or_create_group): Initialize group uid.
13059         (record_ref): Initialize ref uid.  Improve debug output.
13060         (prune_group_by_reuse, should_issue_prefetch_p,)
13061         (should_issue_prefetch_p, schedule_prefetches, issue_prefetch_ref,)
13062         (mark_nontemporal_store, determine_loop_nest_reuse):
13063         Improve debug output.
13064
13065 2017-06-06  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
13066
13067         * dbgcnt.def (prefetch): New debug counter.
13068         * tree-ssa-loop-prefetch.c (dbgcnt.h): New include.
13069         (schedule_prefetches): Stop issueing prefetches if debug counter
13070         tripped.
13071
13072 2017-06-06  Tom de Vries  <tom@codesourcery.com>
13073
13074         * doc/sourcebuild.texi (Testsuites, C Language Testsuites,
13075         gcc.c-torture/compile): Remove mention of NO_LABEL_VALUES in fixme.
13076
13077 2017-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13078
13079         * config/aarch64/atomics.md (atomic_compare_and_swap<mode> expander):
13080         Use aarch64_reg_or_zero predicate for operand 4.
13081         (aarch64_compare_and_swap<mode> define_insn_and_split):
13082         Use aarch64_reg_or_zero predicate for operand 3.  Add 'Z' constraint.
13083         (aarch64_store_exclusive<mode>): Likewise for operand 2.
13084
13085 2017-06-06  Thomas Preud'homme  <thomas.preudhomme@arm.com>
13086
13087         * config/arm/arm.c (arm_compute_save_reg_mask): Rename into ...
13088         (arm_compute_save_core_reg_mask): This.
13089         (thumb1_compute_save_reg_mask): Rename into ...
13090         (thumb1_compute_save_core_reg_mask): This.
13091         (arm_compute_save_reg0_reg12_mask): Adapt comment.
13092         (arm_compute_frame_layout): Likewise.
13093
13094 2017-06-06  Richard Biener  <rguenther@suse.de>
13095
13096         PR tree-optimization/80974
13097         * tree-ssa-sccvn.c (set_ssa_val_to): Do not change but only
13098         keep or clear leaders SSA info.
13099
13100 2017-06-06  Tom de Vries  <tom@codesourcery.com>
13101
13102         * config/nvptx/nvptx.c (split_mode_p): New function.
13103         (nvptx_declare_function_name, nvptx_print_operand): Use split_mode_p.
13104
13105 2017-06-06  Tom de Vries  <tom@codesourcery.com>
13106
13107         * config/nvptx/nvptx.c (nvptx_print_operand): Use maybe_split_mode.
13108
13109 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
13110
13111         PR bootstrap/80978
13112         * tree-cfg.c (execute_fixup_cfg): Fix condition on when to rescale
13113         profile.
13114
13115 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
13116
13117         * shrink-wrap.c (handle_simple_exit): Update profile.
13118         (try_shrink_wrapping): Upate profile.
13119
13120 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
13121
13122         * predict.c (tree_estimate_probability_bb): Add LOCAL_ONLY.
13123         (tree_guess_outgoing_edge_probabilities): New.
13124         * predict.h (tree_guess_outgoing_edge_probabilities): Declare.
13125         * tree-cfg.c (gimple_find_sub_bbs): Propagate profile.
13126
13127 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
13128
13129         * ipa-split.c (split_function): Initialize return bb profile.
13130
13131 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
13132
13133         * profile.c (compute_branch_probabilities): Also initialize
13134         EXIT_BLOCK profile.
13135
13136 2017-06-06  Richard Biener  <rguenther@suse.de>
13137
13138         PR tree-optimization/80928
13139         * tree-vect-loop.c (vect_update_vf_for_slp): Amend dumps.
13140         (vect_analyze_loop_operations): Properly guard analysis for
13141         pure SLP case.
13142         (vect_transform_loop): Likewise.
13143         (vect_analyze_loop_2): Also reset SLP type on PHIs.
13144         (vect_model_induction_cost): Do not cost for pure SLP.
13145         (vectorizable_induction): Pass in SLP node, implement SLP vectorization
13146         of induction in inner loop vectorization.
13147         * tree-vect-slp.c (vect_create_new_slp_node): Handle PHIs.
13148         (vect_get_and_check_slp_defs): Handle vect_induction_def.
13149         (vect_build_slp_tree): Likewise.  Handle PHIs as terminating the
13150         recursion.
13151         (vect_analyze_slp_cost_1): Cost induction.
13152         (vect_detect_hybrid_slp_stmts): Handle PHIs.
13153         (vect_get_slp_vect_defs): Likewise.
13154         * tree-vect-stmts.c (vect_analyze_stmt): Handle induction.
13155         (vect_transform_stmt): Handle SLP reductions.
13156         * tree-vectorizer.h (vectorizable_induction): Adjust.
13157
13158 2017-06-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
13159
13160         * config/rs6000/rs6000.c (make_resolver_func): Update
13161         init_lowered_empty_function call.
13162
13163 2017-06-05  Bernd Edlinger  <bernd.edlinger@hotmail.de>
13164
13165         * doc/invoke.texi: Document the -fprofile-abs-path option.
13166         * common.opt (fprofile-abs-path): New option.
13167         * gcov-io.h (gcov_write_filename): Declare.
13168         * gcov-io.c (gcov_write_filename): New function.
13169         * coverage.c (coverage_begin_function): Use gcov_write_filename.
13170         * profile.c (output_location): Likewise.
13171
13172 2017-06-05  Jan Hubicka  <hubicka@ucw.cz>
13173
13174         * shring-wrap.c: Revert accidental commit.
13175
13176 2017-06-05  Volker Reichelt  <v.reichelt@netcologne.de>
13177
13178         * doc/invoke.texi (-Wduplicated-branches): Add to warning list.
13179
13180 2017-06-05  Jan Hubicka  <hubicka@ucw.cz>
13181
13182         * cfgexpand.c (expand_gimple_tailcall): Initialize profile of
13183         new edge.
13184         * ipa-inline.c (want_inline_self_recursive_call_p): Watch for missing
13185         profile in callgraph edge.
13186         * profile-count.h (apply_probability): If THIS is 0, then result is 0
13187         (apply_scale): Likewise.
13188         * tree-inline.c (copy_bb, copy_edges_for_bb, copy_cfg_body):
13189         Also scale profile when inlining function with zero profile.
13190         (initialize_cfun): Update exit block profile even when it is zero.
13191         * tree-ssa-threadupdate.c (clear_counts_path): Handle correctly case
13192         when profile is read.
13193
13194 2017-06-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
13195
13196         * config/rs6000/rs6000.c (toplevel): Include attribs.h.
13197         (CLONE_*): New constants to define the processors we can generate
13198         code for with the target_clone attribute.
13199         (rs6000_clone_map): New array to identify which clone processors
13200         the current program is running on.
13201         (TARGET_COMPARE_VERSION_PRIORITY): Define to enable the
13202         target_clone attribute.
13203         (TARGET_GENERATE_VERSION_DISPATCHER_BODY): Likewise.
13204         (TARGET_GET_FUNCTION_VERSIONS_DISPATCHER): Likewise.
13205         (TARGET_OPTION_FUNCTION_VERSIONS): Likewise.
13206         (cpu_expand_builtin): Add support for target_clone attribute.
13207         (rs6000_valid_attribute_p): Allow "default" attribute.
13208         (get_decl_name): New debug function to simplify printing the
13209         current function name in debugging statements.
13210         (rs6000_clone_priority): New functions to support the target_clone
13211         attribute, and be able to generate code to switch between ISA 2.05
13212         through ISA 3.0 (power6 through power9).
13213         (rs6000_compare_version_priority): Likewise.
13214         (rs6000_get_function_versions_dispatcher): Likewise.
13215         (make_resolver_func): Likewise.
13216         (add_condition_to_bb): Likewise.
13217         (dispatch_function_versions): Likewise.
13218         (rs6000_generate_version_dispatcher_body): Likewise.
13219         (rs6000_can_inline_p): Call get_decl_name for debugging usage.
13220         (fusion_gpr_load_p): Fix a spacing issue.
13221         * doc/extend.texi (Common Function Attributes): Document that the
13222         PowerPC supports the target_clone attribute.
13223
13224 2017-06-05  Thomas Preud'homme  <thomas.preudhomme@arm.com>
13225
13226         * config/arm/arm.h: explain F symbol found in description of ARM
13227         register allocation in its legend.
13228
13229 2017-06-05  Jan Hubicka  <hubicka@ucw.cz>
13230
13231         * config/mips/frame-header-opt.c: Include profile-count.h.
13232         * config/riscv/riscv.c: Include profile-count.h
13233
13234 2017-06-05  Jan Hubicka  <hubicka@ucw.cz>
13235
13236         * tree-ssa-loop-im.c (execute_sm_if_changed): Add FLAG_BBS parameter;
13237         update profile.
13238         (sm_set_flag_if_changed): Add bbs field.
13239         (execute_sm_if_changed_flag_set): Pass BBS.
13240         (execute_sm): Update.
13241
13242 2017-06-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13243
13244         * config/aarch64/aarch64-simd.md (aarch64_store_lane0<mode>):
13245         New pattern.
13246
13247 2017-06-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13248
13249         * config/aarch64/aarch64.md (sub<mode>3_compare1_imm): New define_insn.
13250         (peephole2): New peephole2 to emit the above.
13251         * config/aarch64/predicates.md (aarch64_sub_immediate): New predicate.
13252
13253 2017-06-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13254
13255         * config/aarch64/aarch64.c (define_peephole2 above
13256         *sub_<shift>_<mode>): New peephole.
13257
13258 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
13259
13260         * config/i386/i386.c (make_resolver_func): Update.
13261         * Makefile.in: Add profile-count.h and profile-count.o
13262         * auto-profile.c (afdo_indirect_call): Update to new API.
13263         (afdo_set_bb_count): Update.
13264         (afdo_propagate_edge): Update.
13265         (afdo_propagate_circuit): Update.
13266         (afdo_calculate_branch_prob): Update.
13267         (afdo_annotate_cfg): Update.
13268         * basic-block.h: Include profile-count.h
13269         (struct edge_def): Turn count to profile_count.
13270         (struct basic_block_def): Likewie.
13271         (REG_BR_PROB_BASE): Move to profile-count.h
13272         (RDIV): Move to profile-count.h
13273         * bb-reorder.c (max_entry_count): Turn to profile_count.
13274         (find_traces): Update.
13275         (rotate_loop):Update.
13276         (connect_traces):Update.
13277         (sanitize_hot_paths):Update.
13278         * bt-load.c (migrate_btr_defs): Update.
13279         * cfg.c (RDIV): Remove.
13280         (init_flow): Use alloc_block.
13281         (alloc_block): Uninitialize count.
13282         (unchecked_make_edge): Uninitialize count.
13283         (check_bb_profile): Update.
13284         (dump_edge_info): Update.
13285         (dump_bb_info): Update.
13286         (update_bb_profile_for_threading): Update.
13287         (scale_bbs_frequencies_int): Update.
13288         (scale_bbs_frequencies_gcov_type): Update.
13289         (scale_bbs_frequencies_profile_count): New.
13290         * cfg.h (update_bb_profile_for_threading): Update.
13291         (scale_bbs_frequencies_profile_count): Declare.
13292         * cfgbuild.c (compute_outgoing_frequencies): Update.
13293         (find_many_sub_basic_blocks): Update.
13294         * cfgcleanup.c (try_forward_edges): Update.
13295         (try_crossjump_to_edge): Update.
13296         * cfgexpand.c (expand_gimple_tailcall): Update.
13297         (construct_exit_block): Update.
13298         * cfghooks.c (verify_flow_info): Update.
13299         (dump_bb_for_graph): Update.
13300         (split_edge): Update.
13301         (make_forwarder_block): Update.
13302         (duplicate_block): Update.
13303         (account_profile_record): Update.
13304         * cfgloop.c (find_subloop_latch_edge_by_profile): Update.
13305         (get_estimated_loop_iterations): Update.
13306         * cfgloopanal.c (expected_loop_iterations_unbounded): Update.
13307         (single_likely_exit): Update.
13308         * cfgloopmanip.c (scale_loop_profile): Update.
13309         (loopify): Update.
13310         (set_zero_probability): Update.
13311         (lv_adjust_loop_entry_edge): Update.
13312         * cfgrtl.c (force_nonfallthru_and_redirect): Update.
13313         (purge_dead_edges): Update.
13314         (rtl_account_profile_record): Update.
13315         * cgraph.c (cgraph_node::create): Uninitialize count.
13316         (symbol_table::create_edge): Uninitialize count.
13317         (cgraph_update_edges_for_call_stmt_node): Update.
13318         (cgraph_edge::dump_edge_flags): Update.
13319         (cgraph_node::dump): Update.
13320         (cgraph_edge::maybe_hot_p): Update.
13321         * cgraph.h: Include profile-count.h
13322         (create_clone), create_edge, create_indirect_edge): Update.
13323         (cgraph_node): Turn count to profile_count.
13324         (cgraph_edge0: Likewise.
13325         (make_speculative, clone): Update.
13326         (create_edge): Update.
13327         (init_lowered_empty_function): Update.
13328         * cgraphclones.c (cgraph_edge::clone): Update.
13329         (duplicate_thunk_for_node): Update.
13330         (cgraph_node::create_clone): Update.
13331         * cgraphunit.c (cgraph_node::analyze): Update.
13332         (cgraph_node::expand_thunk): Update.
13333         * final.c (dump_basic_block_info): Update.
13334         * gimple-streamer-in.c (input_bb): Update.
13335         * gimple-streamer-out.c (output_bb): Update.
13336         * graphite.c (print_global_statistics): Update.
13337         (print_graphite_scop_statistics): Update.
13338         * hsa-brig.c: Include basic-block.h.
13339         * hsa-dump.c: Include basic-block.h.
13340         * hsa-gen.c (T sum_slice): Update.
13341         (convert_switch_statements):Update.
13342         * hsa-regalloc.c: Include basic-block.h.
13343         * ipa-chkp.c (chkp_produce_thunks): Update.
13344         * ipa-cp.c (struct caller_statistics): Update.
13345         (init_caller_stats): Update.
13346         (gather_caller_stats): Update.
13347         (ipcp_cloning_candidate_p): Update.
13348         (good_cloning_opportunity_p): Update.
13349         (get_info_about_necessary_edges): Update.
13350         (dump_profile_updates): Update.
13351         (update_profiling_info): Update.
13352         (update_specialized_profile): Update.
13353         (perhaps_add_new_callers): Update.
13354         (decide_about_value): Update.
13355         (ipa_cp_c_finalize): Update.
13356         * ipa-devirt.c (struct odr_type_warn_count): Update.
13357         (struct decl_warn_count): Update.
13358         (struct final_warning_record): Update.
13359         (possible_polymorphic_call_targets): Update.
13360         (ipa_devirt): Update.
13361         * ipa-fnsummary.c (redirect_to_unreachable): Update.
13362         * ipa-icf.c (sem_function::merge): Update.
13363         * ipa-inline-analysis.c (do_estimate_edge_time): Update.
13364         * ipa-inline.c (compute_uninlined_call_time): Update.
13365         (compute_inlined_call_time): Update.
13366         (want_inline_small_function_p): Update.
13367         (want_inline_self_recursive_call_p): Update.
13368         (edge_badness): Update.
13369         (lookup_recursive_calls): Update.
13370         (recursive_inlining): Update.
13371         (inline_small_functions): Update.
13372         (dump_overall_stats): Update.
13373         (dump_inline_stats): Update.
13374         * ipa-profile.c (ipa_profile_generate_summary): Update.
13375         (ipa_propagate_frequency): Update.
13376         (ipa_profile): Update.
13377         * ipa-prop.c (ipa_make_edge_direct_to_target): Update.
13378         * ipa-utils.c (ipa_merge_profiles): Update.
13379         * loop-doloop.c (doloop_modify): Update.
13380         * loop-unroll.c (report_unroll): Update.
13381         (unroll_loop_runtime_iterations): Update.
13382         * lto-cgraph.c (lto_output_edge): Update.
13383         (lto_output_node): Update.
13384         (input_node): Update.
13385         (input_edge): Update.
13386         (merge_profile_summaries): Update.
13387         * lto-streamer-in.c (input_cfg): Update.
13388         * lto-streamer-out.c (output_cfg): Update.
13389         * mcf.c (create_fixup_graph): Update.
13390         (adjust_cfg_counts): Update.
13391         (sum_edge_counts): Update.
13392         * modulo-sched.c (sms_schedule): Update.
13393         * postreload-gcse.c (eliminate_partially_redundant_load): Update.
13394         * predict.c (maybe_hot_count_p): Update.
13395         (probably_never_executed): Update.
13396         (dump_prediction): Update.
13397         (combine_predictions_for_bb): Update.
13398         (propagate_freq): Update.
13399         (handle_missing_profiles): Update.
13400         (counts_to_freqs): Update.
13401         (rebuild_frequencies): Update.
13402         (force_edge_cold): Update.
13403         * predict.h: Include profile-count.h
13404         (maybe_hot_count_p, counts_to_freqs): UPdate.
13405         * print-rtl-function.c: Do not include cfg.h
13406         * print-rtl.c: Include basic-block.h
13407         * profile-count.c: New file.
13408         * profile-count.h: New file.
13409         * profile.c (is_edge_inconsistent): Update.
13410         (correct_negative_edge_counts): Update.
13411         (is_inconsistent): Update.
13412         (set_bb_counts): Update.
13413         (read_profile_edge_counts): Update.
13414         (compute_frequency_overlap): Update.
13415         (compute_branch_probabilities): Update; Initialize and deinitialize
13416         gcov_count tables.
13417         (branch_prob): Update.
13418         * profile.h (bb_gcov_counts, edge_gcov_counts): New.
13419         (edge_gcov_count): New.
13420         (bb_gcov_count): New.
13421         * shrink-wrap.c (try_shrink_wrapping): Update.
13422         * tracer.c (better_p): Update.
13423         * trans-mem.c (expand_transaction): Update.
13424         (ipa_tm_insert_irr_call): Update.
13425         (ipa_tm_insert_gettmclone_call): Update.
13426         * tree-call-cdce.c: Update.
13427         * tree-cfg.c (gimple_duplicate_sese_region): Update.
13428         (gimple_duplicate_sese_tail): Update.
13429         (gimple_account_profile_record): Update.
13430         (execute_fixup_cfg): Update.
13431         * tree-inline.c (copy_bb): Update.
13432         (copy_edges_for_bb): Update.
13433         (initialize_cfun): Update.
13434         (freqs_to_counts): Update.
13435         (copy_cfg_body): Update.
13436         (expand_call_inline): Update.
13437         * tree-ssa-ifcombine.c (update_profile_after_ifcombine): Update.
13438         * tree-ssa-loop-ivcanon.c (unloop_loops): Update.
13439         (try_unroll_loop_completely): Update.
13440         (try_peel_loop): Update.
13441         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update.
13442         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop): Update.
13443         * tree-ssa-loop-split.c (connect_loops): Update.
13444         * tree-ssa-loop-unswitch.c (hoist_guard): Update.
13445         * tree-ssa-reassoc.c (branch_fixup): Update.
13446         * tree-ssa-tail-merge.c (replace_block_by): Update.
13447         * tree-ssa-threadupdate.c (create_block_for_threading): Update.
13448         (compute_path_counts): Update.
13449         (update_profile): Update.
13450         (recompute_probabilities): Update.
13451         (update_joiner_offpath_counts): Update.
13452         (estimated_freqs_path): Update.
13453         (freqs_to_counts_path): Update.
13454         (clear_counts_path): Update.
13455         (ssa_fix_duplicate_block_edges): Update.
13456         (duplicate_thread_path): Update.
13457         * tree-switch-conversion.c (case_bit_test_cmp): Update.
13458         (struct switch_conv_info): Update.
13459         * tree-tailcall.c (decrease_profile): Update.
13460         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Update.
13461         * tree-vect-loop.c (scale_profile_for_vect_loop): Update.
13462         * value-prof.c (check_counter): Update.
13463         (gimple_divmod_fixed_value): Update.
13464         (gimple_mod_pow2): Update.
13465         (gimple_mod_subtract): Update.
13466         (gimple_ic_transform): Update.
13467         (gimple_stringop_fixed_value): Update.
13468         * value-prof.h (gimple_ic): Update.
13469
13470 2017-06-02  Carl Love  <cel@us.ibm.com>
13471
13472         * config/rs6000/rs6000-c: Add support for built-in functions
13473         vector double vec_doublee (vector signed int);
13474         vector double vec_doublee (vector unsigned int);
13475         vector double vec_doublee (vector float);
13476         vector double vec_doubleh (vector signed int);
13477         vector double vec_doubleh (vector unsigned int);
13478         vector double vec_doubleh (vector float);
13479         vector double vec_doublel (vector signed int);
13480         vector double vec_doublel (vector unsigned int);
13481         vector double vec_doublel (vector float);
13482         vector double vec_doubleo (vector signed int);
13483         vector double vec_doubleo (vector unsigned int);
13484         vector double vec_doubleo (vector float);.
13485         * config/rs6000/rs6000-builtin.def: Add definitions for DOUBLEE,
13486         DOUBLEO, DOUBLEH, DOUBLEL, UNS_DOUBLEO, UNS_DOUBLEE, UNS_DOUBLEH,
13487         UNS_DOUBLEL.
13488         * config/rs6000/altivec.md: Add code generator for doublee<mode>2,
13489         unsdoubleev4si2, doubleo<mode>2, unsdoubleov4si2, doubleh<mode>2,
13490         unsdoublehv4si2, doublel<mode>2, unsdoublelv4si2, add mode attribute
13491         VS_sxwsp.
13492         * config/rs6000/altivec.h: Add define for vec_doublee, vec_doubleo,
13493         vec_doublel, vec_doubleh.
13494         * doc/extend.texi: Update the built-in documentation file for the
13495         new built-in functions.
13496
13497 2017-06-02  David Malcolm  <dmalcolm@redhat.com>
13498
13499         PR jit/80954
13500         * ipa-inline-analysis.c (free_growth_caches): Set
13501         edge_removal_hook_holder to NULL after removing it.
13502
13503 2017-06-02  Sudakshina Das  <sudi.das@arm.com>
13504
13505         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Return CC_SWP for
13506         comparision with zero.
13507
13508 2017-06-02  Will Schmidt  <will_schmidt@vnet.ibm.com>
13509         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling
13510         for early expansion of vec_min and vec_max builtins.
13511         (builtin_function_type): Add min/max unsigned variants to those
13512         identified as having unsigned arguments.
13513
13514 2017-06-02  Olivier Hainque  <hainque@adacore.com>
13515
13516         * config/vx-common.h (DWARF_UNWIND_INFO): Switch #define to 1.
13517
13518 2017-06-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13519
13520         * config/aarch64/aarch64-simd.md (*aarch64_simd_vec_copy_lane<mode>):
13521         Use VALL_F16 iterator rather than VALL.
13522
13523 2017-06-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13524
13525         * config/aarch64/aarch64.c (aarch64_split_compare_and_swap):
13526         Emit CBNZ inside loop when doing a strong exchange and comparing
13527         against zero.  Generate the CC flags after the loop.
13528
13529 2017-06-02  David Edelsohn  <dje.gcc@gmail.com>
13530
13531         * dwarf2out.c (DWARF_INITIAL_LENGTH_SIZE_STR): New.
13532         (dl_section_ref): New.
13533         (dwarf2out_finish): Copy debug_line_section_label to dl_section_ref.
13534         On AIX, append an expression to subtract the size of the
13535         section length to dl_section_ref.
13536
13537 2017-06-02  Will Schmidt  <will_schmidt@vnet.ibm.com>
13538
13539         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling
13540         for early expansion of vector absolute builtins.
13541
13542 2017-06-02  Richard Biener  <rguenther@suse.de>
13543
13544         * tree-vect-slp.c (vect_detect_hybrid_slp_2): Match up
13545         what we consider a relevant use stmt with vect_detect_hybrid_slp_stmts.
13546
13547 2017-06-02  Richard Biener  <rguenther@suse.de>
13548
13549         PR tree-optimization/80948
13550         * tree-tailcall.c (find_tail_calls): Track stmts to move in
13551         stmt order as well.
13552
13553 2017-06-02  Richard Biener  <rguenther@suse.de>
13554
13555         * tree-vect-loop.c (vect_analyze_loop_operations): Not relevant
13556         PHIs are ok.
13557         * tree-vect-stmts.c (process_use): Do not mark backedge defs
13558         for inductions as relevant.
13559
13560 2017-06-02  Richard Biener  <rguenther@suse.de>
13561
13562         * tree-vect-loop.c (get_initial_def_for_induction): Inline into ...
13563         (vectorizable_induction): ... this.  Remove dead code.
13564
13565 2017-06-02  Eric Botcazou  <ebotcazou@adacore.com>
13566
13567         * builtins. (expand_builtin_alloca): Remove second parameter and
13568         infer its value from the first parameter instead.
13569         (expand_builtin) <BUILT_IN_ALLOCA>: Adjust call to above.
13570
13571 2017-06-02  Jakub Jelinek  <jakub@redhat.com>
13572
13573         PR rtl-optimization/80903
13574         * loop-doloop.c (add_test): Unshare sequence.
13575
13576 2017-06-02  Bernd Edlinger  <bernd.edlinger@hotmail.de>
13577
13578         * doc/invoke.texi: Document the -Wsizeof-pointer-div warning.
13579
13580 2017-06-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>
13581
13582         * config/i386/i386.c (x86_64_ms_sysv_extra_clobbered_registers): Make
13583         static.
13584         (xlogue_layout::get_stack_space_used, xlogue_layout::s_instances,
13585         xlogue_layout::get_instance, logue_layout::xlogue_layout,
13586         sp_valid_at, fp_valid_at, choose_basereg): Formatting.
13587         (xlogue_layout::get_stub_rtx): Make static.
13588         (xlogue_layout::get_stub_name): Avoid const-cast, make static.
13589         (xlogue_layout::compute_stub_managed_regs): Rename to...
13590         (xlogue_layout::count_stub_managed_regs): ...this.
13591         (xlogue_layout::is_stub_managed_reg): New function.
13592         (xlogue_layout::m_stub_names): Rename to...
13593         (xlogue_layout::s_stub_names): ...this, make static.
13594         (xlogue_layout::STUB_INDEX_OFFSET, xlogue_layout::MIN_REGS,
13595         xlogue_layout::MAX_REGS, xlogue_layout::MAX_EXTRA_REGS,
13596         xlogue_layout::VARIANT_COUNT, xlogue_layout::STUB_NAME_MAX_LEN,
13597         xlogue_layout::s_stub_names): Instantiate statics.
13598         (stub_managed_regs): Remove.
13599         (ix86_save_reg): Use xlogue_layout::compute_stub_managed_regs.
13600         (disable_call_ms2sysv_xlogues): Rename to...
13601         (warn_once_call_ms2sysv_xlogues): ...this, and warn only once.
13602         (ix86_initial_elimination_offset, ix86_expand_call): Fix call_ms2sysv
13603         warning logic.
13604         (ix86_static_chain): Make sure that ix86_static_chain_on_stack can't
13605         change after reload_completed.
13606         (ix86_can_use_return_insn_p): Use the ix86_frame data structure
13607         directly.
13608         (ix86_expand_prologue): Likewise.
13609         (ix86_expand_epilogue): Likewise.
13610         (ix86_expand_split_stack_prologue): Likewise.
13611         (ix86_compute_frame_layout): Remove frame parameter ...
13612         (TARGET_COMPUTE_FRAME_LAYOUT): ... and export it as a target hook.
13613         (ix86_finalize_stack_realign_flags): Call ix86_compute_frame_layout
13614         only if necessary.
13615         (ix86_init_machine_status): Don't set use_fast_prologue_epilogue_nregs.
13616         (ix86_frame): Move from here ...
13617         * config/i386/i386.h (ix86_frame): ... to here.
13618         (machine_function): Remove use_fast_prologue_epilogue_nregs, cache the
13619         complete ix86_frame data structure instead.  Remove some_ld_name.
13620
13621 2017-06-01  Pierre-Marie de Rodat  <derodat@adacore.com>
13622
13623         * dwarf2out.c (dwarf2out_late_global_decl): Add locations for
13624         symbols that hold a DECL_VALUE_EXPR.
13625
13626 2017-06-01  Martin Jambor  <mjambor@suse.cz>
13627
13628         PR tree-optimization/80898
13629         * tree-sra.c (process_subtree_disqualification): Removed.
13630         (disqualify_candidate): Do not acll
13631         process_subtree_disqualification.
13632         (subtree_mark_written_and_enqueue): New function.
13633         (propagate_all_subaccesses): Set grp_write of LHS subtree if the
13634         RHS has been disqualified and re-queue LHS if necessary.  Apart
13635         from that, ignore disqualified RHS.
13636
13637 2017-06-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
13638
13639         * config/s390/s390.c (s390_emit_epilogue): Disable early return
13640         address fetch for z10 or later.
13641
13642 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
13643
13644         * config/arc/arc.md (tst_movb): Add guard when splitting.
13645
13646 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
13647
13648         * config/arc/arc.c (arc_can_eliminate): Test against
13649         arc_frame_pointer_needed.
13650
13651 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
13652
13653         * config/arc/arc.c (arc_expand_prologue): Emit a special barrier
13654         to prevent store reordering.
13655         * config/arc/arc.md (UNSPEC_ARC_STKTIE): Define.
13656         (type): Add block type.
13657         (stack_tie): Define special instruction to be used in
13658         expand_prologue.
13659
13660 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
13661
13662         * config/arc/arc.md (commutative_binary_comparison): Remove 'I'
13663         constraint. It is not valid for the pattern.
13664         (noncommutative_binary_comparison): Likewise.
13665
13666 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
13667
13668         * config/arc/simdext.md (movv2hi_insn): Change predicate to avoid
13669         scaled addresses.
13670
13671 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
13672
13673         * config/arc/arc.c (arc_conditional_register_usage): Allow r30 to
13674         be used by the reg-alloc.
13675
13676 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
13677
13678         * config/arc/arc.md (mulsi3): Avoid use of hard registers before
13679         reg-alloc when having mul64 or mul32x16 instructions.
13680         (mulsidi3): Likewise.
13681         (umulsidi3): Likewise.
13682         (mulsi32x16): New pattern.
13683         (mulsi64): Likewise.
13684         (mulsidi64): Likewise.
13685         (umulsidi64): Likewise.
13686         (MUL32x16_REG): Define.
13687         (mul64_600): Use MUL32x16_REG.
13688         (mac64_600): Likewise.
13689         (umul64_600): Likewise.
13690         (umac64_600): Likewise.
13691
13692 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
13693
13694         * config/arc/arc.md (mulsi3_700): Make it commutative.
13695
13696 2017-06-01  Jose E. Marchesi  <jose.marchesi@oracle.com>
13697
13698         * config/sparc/sparc.md (*zero_extendsidi2_insn_sp64): Set insn
13699         type for movstouw.
13700         (*sign_extendsidi2_insn): Likewise for movstosw.
13701
13702 2017-06-01  Pierre-Marie de Rodat  <derodat@adacore.com>
13703
13704         * dwarf2out.c (get_discr_value): Call the get_debug_type hook on
13705         the type of the input discriminant value.  Convert the
13706         discriminant value of signedness vary.
13707
13708 2017-06-01  Volker Reichelt  <v.reichelt@netcologne.de>
13709
13710         * doc/invoke.texi (-Wcatch-value): Document new shortcut.
13711         Add to -Wall section.
13712
13713 2017-06-01  Richard Biener  <rguenther@suse.de>
13714
13715         PR middle-end/66313
13716         * fold-const.c (fold_plusminus_mult_expr): If the factored
13717         factor may be zero use a wrapping type for the inner operation.
13718         * tree-tailcall.c (independent_of_stmt_p): Pass in to_move bitmap
13719         and handle moved defs.
13720         (process_assignment): Properly guard the unary op case.  Return a
13721         tri-state indicating that moving the stmt before the call may allow
13722         to continue.  Pass through to_move.
13723         (find_tail_calls): Handle moving unrelated defs before
13724         the call.
13725
13726 2017-05-31  Segher Boessenkool  <segher@kernel.crashing.org>
13727
13728         PR target/80618
13729         * config/rs6000/vector.md (*vector_uneq<mode>): Write the nor in the
13730         splitter result in the canonical way.
13731
13732 2017-05-31  Uros Bizjak  <ubizjak@gmail.com>
13733
13734         * config/i386/i386.md (*zero_extendsidi2): Enable alternative (?r, *Yj)
13735         also for 32bit target.  Update insn attributes.
13736         (zero-extendsidi2 splitter): Allow all registers for operand 1.
13737
13738 2017-05-31  Sebastian Peryt  <sebastian.peryt@intel.com>
13739
13740         * config/i386/avx512fintrin.h (_mm_mask_max_sd)
13741         (_mm_maskz_max_sd, _mm_mask_max_ss, _mm_maskz_max_ss)
13742         (_mm_mask_min_sd, _mm_maskz_min_sd, _mm_mask_min_ss)
13743         (_mm_maskz_min_ss): New intrinsics.
13744
13745 2017-05-31  Martin Liska  <mliska@suse.cz>
13746
13747         * tree-vect-loop.c (vect_create_epilog_for_reduction):
13748         Change comment style to one we normally use.
13749         (vectorizable_reduction): Likewise.
13750         (vectorizable_induction): Likewise.
13751         * tree-vect-stmts.c (vectorizable_mask_load_store): Likewise.
13752         (vectorizable_call): Likewise.
13753         (vectorizable_simd_clone_call): Likewise.
13754         (vectorizable_conversion): Likewise.
13755         (vectorizable_assignment): Likewise.
13756         (vectorizable_shift): Likewise.
13757         (vectorizable_operation): Likewise.
13758         (vectorizable_store): Likewise.
13759         (vectorizable_load): Likewise.
13760         * tree-vectorizer.h: Likewise.
13761
13762 2017-05-31  Alexander Monakov  <amonakov@ispras.ru>
13763
13764         * passes.c (emergency_dump_function): New.
13765         * tree-pass.h (emergency_dump_function): Declare.
13766         * plugin.c (plugins_internal_error_function): Remove.
13767         * plugin.h (plugins_internal_error_function): Remove declaration.
13768         * toplev.c (internal_error_function): New static function.  Use it...
13769         (general_init): ...here.
13770
13771 2017-05-31  Graham Markall  <graham.markall@embecosm.com>
13772
13773         * config/arc/arc.c (arc_print_operand): Handle constant operands.
13774         (arc_rtx_costs): Add costs for new patterns.
13775         * config/arc/arc.md: Additional *add_n and *sub_n patterns.
13776         * config/arc/predicates.md: Add _1_2_3_operand predicate.
13777
13778 2017-05-31  Richard Sandiford  <richard.sandiford@linaro.org>
13779
13780         * tree-ssa-strlen.c (get_next_strinfo): New function.
13781         (get_stridx_plus_constant): Use it.
13782         (zero_length_string): Likewise.
13783         (adjust_related_strinfos): Likewise.
13784         (adjust_last_stmt): Likewise.
13785
13786 2017-05-31  Richard Biener  <rguenther@suse.de>
13787
13788         PR target/80880
13789         * config/i386/i386.c (ix86_expand_builtin): Remove assert
13790         for arg being an SSA name when expanding IX86_BUILTIN_BNDRET.
13791
13792 2017-05-31  Richard Sandiford  <richard.sandiford@linaro.org>
13793
13794         * tree-vect-data-refs.c (vect_find_same_alignment_drs): Remove
13795         loop_vinfo argument and use of dependence distance vectors.
13796         Check instead whether the two references differ only in their
13797         initial value and assume that they have the same alignment if the
13798         difference is a multiple of the vector alignment.
13799         (vect_analyze_data_refs_alignment): Update call accordingly.
13800
13801 2017-05-31  Martin Liska  <mliska@suse.cz>
13802
13803         PR target/79155
13804         * config/i386/cpuid.h: Fix typo in a comment in cpuid.h.
13805
13806 2017-05-31  Bin Cheng  <bin.cheng@arm.com>
13807
13808         * tree-vect-loop-manip.c (create_intersect_range_checks_index)
13809         (create_intersect_range_checks): Move from ...
13810         * tree-data-ref.c (create_intersect_range_checks_index)
13811         (create_intersect_range_checks): ... to here.
13812         (create_runtime_alias_checks): New function factored from ...
13813         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks): ...
13814         here.  Call above function.
13815         * tree-data-ref.h (create_runtime_alias_checks): New function.
13816
13817 2017-05-31  Bin Cheng  <bin.cheng@arm.com>
13818
13819         * tree-data-ref.c (prune_runtime_alias_test_list): Relax minimal
13820         segment length for dr_b and compute it in wide_int.
13821
13822 2017-05-31  Richard Biener  <rguenther@suse.de>
13823
13824         PR tree-optimization/80906
13825         * graphite-isl-ast-to-gimple.c (copy_loop_close_phi_nodes): Get
13826         and pass through iv_map.
13827         (copy_bb_and_scalar_dependences): Adjust.
13828         (translate_pending_phi_nodes): Likewise.
13829         (copy_loop_close_phi_args): Handle code-generating IVs instead
13830         of ICEing.
13831
13832 2017-05-30  David Malcolm  <dmalcolm@redhat.com>
13833
13834         * diagnostic-color.c (color_dict): Add "type-diff".
13835         (parse_gcc_colors): Update comment.
13836         * doc/invoke.texi (Diagnostic Message Formatting Options): Add
13837         -fdiagnostics-show-template-tree and -fno-elide-type.
13838         (GCC_COLORS): Add type-diff to example.
13839         (type-diff=): New.
13840         (-fdiagnostics-show-template-tree): New.
13841         (-fno-elide-type): New.
13842         * pretty-print.c (pp_format): Pass quote and formatters[argno] to
13843         the pp_format_decoder callback.  Call any m_format_postprocessor's
13844         "handle" method.
13845         (pretty_printer::pretty_printer): Initialize
13846         m_format_postprocessor.
13847         (pretty_printer::~pretty_printer): Delete any
13848         m_format_postprocessor.
13849         * pretty-print.h (printer_fn): Add bool and const char ** parameters.
13850         (class format_postprocessor): New class.
13851         (struct pretty_printer::format_decoder): Document the new parameters.
13852         (struct pretty_printer::m_format_postprocessor): New field.
13853         * tree-diagnostic.c (default_tree_printer): Update for new
13854         bool and const char ** params.
13855         * tree-diagnostic.h (default_tree_printer): Likewise.
13856
13857 2017-05-30  Segher Boessenkool  <segher@kernel.crashing.org>
13858
13859         * config/rs6000/predicates.md (cc_reg_not_micro_cr0_operand): Delete.
13860         (lwa_operand): Delete rs6000_gen_cell_microcode test.
13861         * config/rs6000/rs6000.c (rs6000_option_override_internal): Delete
13862         rs6000_gen_cell_microcode code.
13863         (rs6000_final_prescan_insn): Delete.
13864         (rs6000_opt_vars): Delete the "gen-cell-microcode" and
13865         "warn-cell-microcode" entries.
13866         * config/rs6000/rs6000.h (FINAL_PRESCAN_INSN): Delete.
13867         * config/rs6000/rs6000.md: Delete rs6000_gen_cell_microcode tests
13868         throughout.  Change cc_reg_not_micro_cr0_operand to
13869         cc_reg_not_cr0_operand throughout.
13870         (*extendhi<mode>2_noload): Delete.
13871         * config/rs6000/rs6000.opt (mgen-cell-microcode): Replace by stub.
13872         (mwarn-cell-microcode): Delete.
13873         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete
13874         -mgen-cell-microcode and -mwarn-cell-microcode.
13875
13876 2017-05-30  Uros Bizjak  <ubizjak@gmail.com>
13877
13878         PR target/80833
13879         * config/i386/constraints.md (Yd): New constraint.
13880         (Ye): Ditto.
13881         * config/i386/i386.md (*movti_internal): Add (?r, Ye)
13882         and (?Yd, r) alternatives.  Update insn attributes.
13883         * config/i386/i386.md (*movti_internal): Add (?r, *Ye)
13884         and (?*Yd, r) alternatives.  Update insn attributes.
13885         (double-mode inter-unit splitters): Add new GR<->XMM splitters.
13886
13887 2017-05-30  Pierre-Marie de Rodat  <derodat@adacore.com>
13888
13889         * gimplify.c (gimplify_modify_expr): Don't create a
13890         DECL_DEBUG_EXPR link if *FROM_P does not belong to the current
13891         function.
13892
13893 2017-05-30  Wilco Dijkstra  <wdijkstr@arm.com>
13894
13895         * config/arm/arm-builtins.c (arm_expand_builtin): Remove const.
13896
13897 2017-05-30  Richard Biener  <rguenther@suse.de>
13898
13899         * tree-vectorizer.h (struct _stmt_vec_info): Add reduc_type
13900         and reduc_def fields.
13901         (STMT_VINFO_REDUC_TYPE): New define.
13902         (STMT_VINFO_REDUC_DEF): Likewise.
13903         (vect_force_simple_reduction): Adjust prototype.
13904         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Adjust.
13905         (vect_is_simple_reduction): Remove check_reduction argument.
13906         (vect_force_simple_reduction): Adjust and set
13907         STMT_VINFO_REDUC_TYPE and STMT_VINFO_REDUC_DEF.
13908         (vectorizable_reduction): Do not re-do reduction analysis
13909         but use STMT_VINFO_REDUC_TYPE and STMT_VINFO_REDUC_DEF.
13910         * tree-parloops.c (gather_scalar_reductions): Adjust.
13911
13912 2017-05-30  Richard Biener  <rguenther@suse.de>
13913
13914         PR middle-end/80901
13915         * cfgexpand.c (expand_gimple_cond): Match up loop fixup with
13916         split_edge code.
13917
13918 2017-05-24  Robin Dapp  <rdapp@linux.vnet.ibm.com>
13919
13920         * tree-vect-data-refs.c (vect_get_peeling_costs_all_drs):
13921         Introduce unknown_misalignment parameter and remove vf.
13922         (vect_peeling_hash_get_lowest_cost):
13923         Pass unknown_misalignment parameter.
13924         (vect_enhance_data_refs_alignment):
13925         Fix unsupportable data ref treatment.
13926
13927 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
13928
13929         * tree-vect-data-refs.c (vect_get_data_access_cost):
13930         Workaround for SLP handling.
13931         (vect_enhance_data_refs_alignment):
13932         Compute costs for doing no peeling at all, compare to the best
13933         peeling costs so far and avoid peeling if cheaper.
13934
13935 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
13936
13937         * tree-vect-data-refs.c (vect_peeling_hash_choose_best_peeling):
13938         Return peeling info and set costs to zero for unlimited cost
13939         model.
13940         (vect_enhance_data_refs_alignment): Also inspect all datarefs
13941         with unknown misalignment. Compute and costs for unknown
13942         misalignment, compare them to the costs for known misalignment
13943         and choose the cheapest for peeling.
13944
13945 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
13946
13947         * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Rename.
13948         (vect_get_peeling_costs_all_drs): Create function.
13949         (vect_peeling_hash_get_lowest_cost):
13950         Use vect_get_peeling_costs_all_drs.
13951         (vect_peeling_supportable): Create function.
13952         (vect_enhance_data_refs_alignment): Use vect_peeling_supportable.
13953
13954 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
13955
13956         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Create
13957         DR_HAS_NEGATIVE_STEP.
13958         (vect_update_misalignment_for_peel): Define DR_MISALIGNMENT.
13959         (vect_enhance_data_refs_alignment): Use.
13960         (vect_duplicate_ssa_name_ptr_info): Use.
13961         * tree-vectorizer.h (dr_misalignment): Use.
13962         (known_alignment_for_access_p): Use.
13963
13964 2017-05-30  Jozef Lawrynowicz  <jozef.l@somniumtech.com>
13965
13966         PR target/78838
13967         * config/msp430/msp430.c (gen_prefix): Return NULL when section name is
13968         .lowtext.
13969         (has_section_name): New function.
13970
13971 2017-05-30  Martin Liska  <mliska@suse.cz>
13972
13973         PR other/80909
13974         * auto-profile.c (get_function_decl_from_block): Fix
13975         parenthesis.
13976
13977 2017-05-30  Richard Biener  <rguenther@suse.de>
13978
13979         PR middle-end/80876
13980         * cfgexpand.c (expand_gimple_cond): Fixup preserving loops again.
13981
13982 2017-05-30  Martin Liska  <mliska@suse.cz>
13983
13984         * dumpfile.c: Use newly added macro DUMP_FILE_INFO.
13985         * dumpfile.h (struct dump_file_info): Remove ctors.
13986
13987 2017-05-30  Martin Liska  <mliska@suse.cz>
13988
13989         * predict.def: Fix GNU coding style.
13990
13991 2017-05-29  Max Filippov  <jcmvbkbc@gmail.com>
13992
13993         * config/xtensa/xtensa.c (xtensa_initial_elimination_offset):
13994         Mark 'to' argument with ATTRIBUTE_UNUSED.
13995
13996 2017-05-29  Max Filippov  <jcmvbkbc@gmail.com>
13997
13998         * config/xtensa/xtensa.c (xtensa_emit_call): Use
13999         HOST_WIDE_INT_PRINT_HEX instead of 0x%lx format string.
14000         (print_operand): Use HOST_WIDE_INT_PRINT_DEC instead of %ld
14001         format string.
14002
14003 2017-05-29  Eric Botcazou  <ebotcazou@adacore.com>
14004
14005         * doc/install.texi (Options specification): Restore entry of
14006         --enable-sjlj-exceptions.
14007
14008 2017-05-27  Michael Eager  <eager@eagercon.com>
14009
14010         Revert:
14011         2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
14012
14013         See https://gcc.gnu.org/ml/gcc/2017-05/msg00221.html.
14014
14015         * config/microblaze/microblaze.h
14016         (FIXED_REGISTERS): Update in macro.
14017         (CALL_USED_REGISTERS): Update in macro.
14018
14019 2017-05-27  François-Xavier Coudett  <fxcoudert@gcc.gnu.org>
14020
14021         * doc/install.texi: Add links to macOS binary distributions.
14022
14023 2017-05-27  Jakub Jelinek  <jakub@redhat.com>
14024
14025         PR bootstrap/80887
14026         Revert:
14027         2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
14028
14029         * match.pd ((A +- CST1) +- CST2): Allow some conversions.
14030
14031 2017-05-26  Martin Liska  <mliska@suse.cz>
14032
14033         * dumpfile.h (enum dump_kind): Renumber TDF_* flags to be contiguous.
14034
14035 2017-05-26  Martin Liska  <mliska@suse.cz>
14036
14037         * cfg.c (check_bb_profile): Do not use TDF_COMMENT and print
14038         always leading ';; '.
14039         (dump_bb_info): Likewise.
14040         (brief_dump_cfg): Likewise.
14041         * cfgrtl.c (print_rtl_with_bb): Do not use TDF_COMMENT.
14042         * dumpfile.c: Remove usage of TDF_VERBOSE.
14043         * dumpfile.h (enum dump_kind): Likewise.
14044         (dump_gimple_bb_header): Do not use TDF_COMMENT.
14045         * print-tree.c (debug_verbose): Remove.
14046         * tree-cfg.c (gimple_dump_cfg): Do not use TDF_COMMENT.
14047         (dump_function_to_file): Remove dumps guarded with TDF_VERBOSE.
14048         * tree-diagnostic.c (default_tree_printer): Replace
14049         TDF_DIAGNOSTIC with TDF_SLIM.
14050
14051 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
14052
14053         * tree-vect-loop-manip.c (create_intersect_range_checks_index): Pass
14054         in parameter loop, rather than loop_vinfo.
14055         (create_intersect_range_checks): Ditto.
14056         (vect_create_cond_for_alias_checks): Update call to above functions.
14057
14058 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
14059
14060         PR tree-optimization/80815
14061         * tree-data-ref.c (prune_runtime_alias_test_list): Simplify condition
14062         for merging runtime alias checks.  Handle negative DR_STEPs.
14063
14064 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
14065
14066         * tree-vect-data-refs.c (Operator==, comp_dr_with_seg_len_pair):
14067         Move from ...
14068         * tree-data-ref.c (Operator==, comp_dr_with_seg_len_pair): To here.
14069         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list): Factor
14070         out code pruning runtime alias checks.
14071         * tree-data-ref.c (prune_runtime_alias_test_list): New function
14072         factored out from above.
14073         * tree-vectorizer.h (struct dr_with_seg_len, dr_with_seg_len_pair_t):
14074         Move from ...
14075         * tree-data-ref.h (struct dr_with_seg_len, dr_with_seg_len_pair_t):
14076         ... to here.
14077         (prune_runtime_alias_test_list): New decalaration.
14078
14079 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
14080
14081         * tree-vect-data-refs.c (compare_tree): Rename and move ...
14082         * tree-data-ref.c (data_ref_compare_tree): ... to here.
14083         * tree-data-ref.h (data_ref_compare_tree): New decalaration.
14084         * tree-vect-data-refs.c (dr_group_sort_cmp): Update uses.
14085         (operator==, comp_dr_with_seg_len_pair): Ditto.
14086         (vect_prune_runtime_alias_test_list): Ditto.
14087
14088 2017-05-26  Martin Liska  <mliska@suse.cz>
14089
14090         PR ipa/80663
14091         * params.def: Bound partial-inlining-entry-probability param.
14092
14093 2017-05-26  Marek Polacek  <polacek@redhat.com>
14094
14095         PR sanitizer/80875
14096         * fold-const.c (fold_binary_loc) <case MULT_EXPR>: Check if OP1
14097         can be negated.
14098
14099 2017-05-26  Richard Biener  <rguenther@suse.de>
14100
14101         PR tree-optimization/80842
14102         * tree-ssa-ccp.c (set_lattice_value): Always meet with the old
14103         value.
14104
14105 2017-05-26  Richard Biener  <rguenther@suse.de>
14106
14107         PR tree-optimization/80844
14108         * tree-vectorizer.c (adjust_simduid_builtins): Propagate results.
14109
14110 2017-05-25  Sebastian Peryt  <sebastian.peryt@intel.com>
14111
14112         * doc/md.texi (Machine Constraints): Update x86 family
14113         machine constraints section to match 'config/i386/constraints.md'.
14114
14115 2017-05-25  Volker Reichelt  <v.reichelt@netcologne.de>
14116
14117         * doc/invoke.texi (-Wcatch-value=): Document new warning option.
14118
14119 2017-05-25  Nathan Sidwell  <nathan@acm.org>
14120
14121         * doc/invoke.texi (--enable-languages): Update documentation.
14122
14123 2017-05-25  Martin Liska  <mliska@suse.cz>
14124
14125         * dumpfile.c: Add TDF_FOLDING.
14126         * dumpfile.h (enum dump_kind): Likewise.
14127         * genmatch.c (dt_simplify::gen_1): Use it.
14128
14129 2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
14130
14131         * match.pd (view_convert (convert@0 @1)): Handle zero-extension.
14132
14133 2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
14134
14135         * match.pd ((A +- CST1) +- CST2): Allow some conversions.
14136         * tree.c (drop_tree_overflow): Handle COMPLEX_CST and VECTOR_CST.
14137
14138 2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
14139
14140         * fold-const.c (fold_binary_loc) [(A & C) == D]: Remove transformation.
14141         * match.pd (X == C): Rewrite it here.
14142         (with_possible_nonzero_bits, with_possible_nonzero_bits2,
14143         with_certain_nonzero_bits2): New predicates.
14144         * tree-ssanames.c (get_nonzero_bits): Handle INTEGER_CST.
14145
14146 2017-05-24  Nathan Sidwell  <nathan@acm.org>
14147
14148         * lto-streamer-in.c (lto_input_data_block): Adjust T const cast to
14149         avoid warning.
14150
14151         * auto-profile.c (afdo_propagate): Adjust T const cast to avoid
14152         warning.
14153
14154 2017-05-24  Segher Boessenkool  <segher@kernel.crashing.org>
14155
14156         * config/powerpcspe: New port.  Files are copied from the rs6000
14157         port, with "rs6000" in filenames replaced by "powerpcspe".
14158
14159 2017-05-24  Wilco Dijkstra  <wdijkstr@arm.com>
14160
14161         PR rtl-optimization/80754
14162         * lra-remat.c (do_remat): Add overlap checks for dst_regno.
14163
14164 2017-05-24  Sheldon Lobo  <smlobo@sheldon.us.oracle.com>
14165
14166         * config/sparc/sparc.md (length): Return the correct value for -mflat
14167         sibcalls to match output_sibcall.
14168
14169 2017-05-24  Segher Boessenkool  <segher@kernel.crashing.org>
14170
14171         PR bootstrap/80860
14172         PR bootstrap/80843
14173         * config/rs6000/rs6000.c (struct machine_function): Add new field
14174         n_components.
14175         (rs6000_get_separate_components): Init that field, use it.
14176         (rs6000_components_for_bb): Use the field.
14177
14178 2017-05-24  Thomas Preud'homme  <thomas.preudhomme@arm.com>
14179
14180         * config/arm/arm.c (arm_expand_prologue): Fix typo in comment.
14181
14182 2017-05-24  Peter Bergner  <bergner@vnet.ibm.com>
14183
14184         PR middle-end/80823
14185         * tree-cfg.c (group_case_labels_stmt): Delete increment of "i";
14186
14187 2017-05-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
14188
14189         PR target/80725
14190         * config/s390/s390.c (s390_check_qrst_address): Check incoming
14191         address against address_operand predicate.
14192         * config/s390/s390.md ("*indirect_jump"): Swap alternatives.
14193
14194 2017-05-24  Eric Botcazou  <ebotcazou@adacore.com>
14195
14196         * var-tracking.c (track_expr_p): Do not return 0 for tracked record
14197         parameters passed indirectly.
14198
14199 2017-05-23  Uros Bizjak  <ubizjak@gmail.com>
14200
14201         * config/i386/i386.md (*movdi_internal): Remove SSE4
14202         alternative 18 (?r, *v).  Update insn attributes.
14203         (*movsi_internal): Remove SSE4 alternative 13 (?r, *v).
14204         Update insn attributes.
14205         (*zero_extendsidi2): Remove SSE4 alternative (?r, *x).
14206         Update insn attributes.
14207         * config/i386/sse.md (vec_extract<ssevecmodelower>_0): Remove SSE4
14208         alternative 1 (r, v). Remove isa attribute.
14209         * config/i386/i386.c (dimode_scalar_chain::make_vector_copies):
14210         Always move value through stack for !TARGET_INTER_UNIT_MOVES_TO_VEC
14211         and !TARGET_INTER_UNIT_MOVES_TO_VEC targets.
14212
14213 2017-05-23  Tom de Vries  <tom@codesourcery.com>
14214
14215         * doc/sourcebuild.texi (Directives, Verify compiler message): Document
14216         dg-line directive.
14217
14218 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
14219
14220         * cgraphunit.c (symbol_table::process_new_functions): Update.
14221         * ipa-fnsummary.c (pass_data_inline_parameters): Remove.
14222         (inline_generate_summary): Rename to ...
14223         (ipa_fn_summary_generate): ... this one.
14224         (inline_read_summary): Rename to ...
14225         (ipa_fn_summary_read): ... this one.
14226         (inline_write_summary): Rename to ...
14227         (ipa_fn_summary_write): ... this one.
14228         (inline_free_summary): Rename to ...
14229         (ipa_free_fn_summary): ... this one.
14230         (pass_data_local_fn_summary, pass_local_fn_summary,
14231         make_pass_local_fn_summary, pass_data_ipa_free_fn_summary,
14232         pass_ipa_free_fn_summary, make_pass_ipa_free_fn_summary,
14233         pass_data_ipa_fn_summary, pass_ipa_fn_summary,
14234         make_pass_ipa_fn_summary): New.
14235         * ipa-fnsummary.h (inline_generate_summary, inline_read_summary,
14236         inline_write_summary, inline_free_summary): Remove.
14237         (ipa_free_fn_summary) : New.
14238         * ipa-inline.c (ipa_inline): Update.
14239         (pass_ipa_inline): Do not generate summaries.
14240         * ipa.c (pass_data_ipa_free_fn_summary, pass_ipa_free_fn_summary):
14241         Remove.
14242         * passes.def: Replace pass_inline_parameters by pass_local_fn_summary
14243         and add pass_ipa_fn_summary.
14244         * tree-pass.h (make_pass_ipa_fn_summary, make_pass_local_fn_summary):
14245         New.
14246         (make_pass_inline_parameters): Remove.
14247
14248 2017-05-23  Thomas Schwinge  <thomas@codesourcery.com>
14249
14250         * omp-low.c (struct omp_context): Remove "default_kind" member.
14251         Adjust all users.
14252
14253         * omp-offload.c (execute_oacc_device_lower): Remove the
14254         parallelism dimensions function attributes for unparallelized
14255         OpenACC kernels constructs.
14256
14257 2017-05-23  Martin Liska  <mliska@suse.cz>
14258
14259         * cgraph.c (cgraph_node::get_create): Use symtab_node::dump_{asm_,}name
14260         functions.
14261         (cgraph_edge::make_speculative): Likewise.
14262         (cgraph_edge::resolve_speculation): Likewise.
14263         (cgraph_edge::redirect_call_stmt_to_callee): Likewise.
14264         (cgraph_node::dump): Likewise.
14265         * cgraph.h: Likewise.
14266         * cgraphunit.c (analyze_functions): Likewise.
14267         (symbol_table::compile): Likewise.
14268         * ipa-cp.c (print_all_lattices): Likewise.
14269         (determine_versionability): Likewise.
14270         (initialize_node_lattices): Likewise.
14271         (ipcp_verify_propagated_values): Likewise.
14272         (estimate_local_effects): Likewise.
14273         (update_profiling_info): Likewise.
14274         (create_specialized_node): Likewise.
14275         (perhaps_add_new_callers): Likewise.
14276         (decide_about_value): Likewise.
14277         (decide_whether_version_node): Likewise.
14278         (identify_dead_nodes): Likewise.
14279         (ipcp_store_bits_results): Likewise.
14280         * ipa-devirt.c (dump_targets): Likewise.
14281         (ipa_devirt): Likewise.
14282         * ipa-icf.c (sem_item::dump): Likewise.
14283         (sem_function::equals): Likewise.
14284         (sem_variable::equals): Likewise.
14285         (sem_item_optimizer::read_section): Likewise.
14286         (sem_item_optimizer::execute): Likewise.
14287         (congruence_class::dump): Likewise.
14288         * ipa-inline-analysis.c (dump_ipa_call_summary): Likewise.
14289         (dump_inline_summary): Likewise.
14290         (estimate_node_size_and_time): Likewise.
14291         (inline_analyze_function): Likewise.
14292         * ipa-inline-transform.c (inline_call): Likewise.
14293         * ipa-inline.c (report_inline_failed_reason): Likewise.
14294         (want_early_inline_function_p): Likewise.
14295         (edge_badness): Likewise.
14296         (update_edge_key): Likewise.
14297         (inline_small_functions): Likewise.
14298         * ipa-profile.c (ipa_profile): Likewise.
14299         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
14300         (ipa_make_edge_direct_to_target): Likewise.
14301         (remove_described_reference): Likewise.
14302         (ipa_impossible_devirt_target): Likewise.
14303         (propagate_controlled_uses): Likewise.
14304         (ipa_print_node_params): Likewise.
14305         (ipcp_transform_function): Likewise.
14306         * ipa-pure-const.c (pure_const_read_summary): Likewise.
14307         (propagate_pure_const): Likewise.
14308         * ipa-reference.c (generate_summary): Likewise.
14309         (read_write_all_from_decl): Likewise.
14310         (propagate): Likewise.
14311         (ipa_reference_read_optimization_summary): Likewise.
14312         * ipa-utils.c (ipa_merge_profiles): Likewise.
14313         * ipa.c (walk_polymorphic_call_targets): Likewise.
14314         (symbol_table::remove_unreachable_nodes): Likewise.
14315         (ipa_single_use): Likewise.
14316         * passes.c (execute_todo): Likewise.
14317         * predict.c (drop_profile): Likewise.
14318         * symtab.c (symtab_node::get_dump_name): New function.
14319         (symtab_node::dump_name): Likewise.
14320         (symtab_node::dump_asm_name): Likewise.
14321         (symtab_node::dump_references): Likewise.
14322         (symtab_node::dump_referring): Likewise.
14323         (symtab_node::dump_base): Likewise.
14324         (symtab_node::debug_symtab): Likewise.
14325         * tree-sra.c (convert_callers_for_node): Likewise.
14326         * tree-ssa-structalias.c (ipa_pta_execute): Likewise.
14327         * value-prof.c (init_node_map): Likewise.
14328
14329 2017-05-23  Martin Liska  <mliska@suse.cz>
14330
14331         * cgraph.h: Move symtab_node::dump_table to symbol_table::dump
14332         and symtab_node::debug_symtab to symbol_table::debug.
14333         * cgraphunit.c (analyze_functions): Use the renamed function.
14334         (symbol_table::compile): Likewise.
14335         * ipa-cp.c (ipcp_verify_propagated_values): Likewise.
14336         * ipa-icf.c (sem_item_optimizer::execute): Likewise.
14337         * passes.c (execute_todo): Likewise.
14338         * symtab.c (symbol_table::dump): New function.
14339         * tree-ssa-structalias.c (ipa_pta_execute): Use the renamed function.
14340
14341 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
14342
14343         * ipa-fnsummary.c (estimate_node_size_and_time): Do not sanity check
14344         that nonconst implies exec.
14345
14346 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
14347
14348         * ipa-inline-analysis.c (cgraph_2edge_hook_list, cgraph_edge_hook_list,
14349         inline_edge_removal_hook, inline_edge_duplication_hook): Remove.
14350         (inline_edge_summary_vec): Turn into ...
14351         (ipa_call_summaries): ... this one.
14352         (redirect_to_unreachable, edge_set_predicate,
14353         evaluate_properties_for_edge, inline_summary_alloc,
14354         reset_ipa_call_summary, reset_inline_summary,
14355         inline_summary_t::duplicate): Update.
14356         (inline_edge_duplication_hook): Turn to ...
14357         (ipa_call_summary_t::duplicate): ... this one.
14358         (inline_edge_removal_hook): Turn to ...
14359         (ipa_call_summary_t::remove): ... this one.
14360         (dump_inline_edge_summary): Turn to ...
14361         (dump_ipa_call_summary): ... this one.
14362         (estimate_function_body_sizes): Update.
14363         (inline_update_callee_summaries): Update.
14364         (remap_edge_change_prob): Update.
14365         (remap_edge_summaries): Update.
14366         (inline_merge_summary): Update.
14367         (do_estimate_edge_time): Update.
14368         (inline_generate_summary): Update.
14369         (inline_read_section): Update.
14370         (inline_read_summary): Update.
14371         (inline_free_summary): Update.
14372         * ipa-inline.c (can_inline_edge_p): Update.
14373         (compute_inlined_call_time): Update.
14374         (want_inline_small_function_p): Update.
14375         (edge_badness): Update.
14376         (early_inliner): Update.
14377         * ipa-inline.h (inline_edge_summary): Turn to ...
14378         (ipa_call_summary): ... this one.
14379         (ipa_call_summary_t): New class.
14380         (inline_edge_summary_t, inline_edge_summary_vec): Remove.
14381         (ipa_call_summaries): New.
14382         (inline_edge_summary): Remove.
14383         (estimate_edge_growth): Update.
14384         * ipa-profile.c (ipa_propagate_frequency_1): Update.
14385         * ipa-prop.c (ipa_make_edge_direct_to_target): Update.
14386         * ipa-split.c (execute_split_functions): Update.
14387         * ipa.c (symbol_table::remove_unreachable_nodes): Update.
14388
14389 2017-05-23  Tom de Vries  <tom@codesourcery.com>
14390
14391         * doc/sourcebuild.texi (Effective-Target Keywords, Other hardware
14392         attributes): Document rdrand effective target.
14393
14394 2017-05-23  Tom de Vries  <tom@codesourcery.com>
14395
14396         * doc/sourcebuild.texi (Effective-Target Keywords, Other hardware
14397         attributes): Sort alphabetically.
14398
14399 2017-05-23  Georg-Johann Lay  <avr@gjlay.de>
14400
14401         * config/avr/genmultilib.awk: Use gsub instead of gensub.
14402
14403 2017-05-22  Michael Meissner  <meissner@linux.vnet.ibm.com>
14404
14405         PR target/80718
14406         * config/rs6000/vsx.md (vsx_splat_<mode>, VSX_D iterator): Split
14407         V2DF/V2DI splat into two separate patterns, one that handles
14408         registers, and the other that only handles memory.  Drop support
14409         for splatting from a GPR on ISA 2.07 and then splitting the
14410         splat into direct move and splat.
14411         (vsx_splat_<mode>_reg): Likewise.
14412         (vsx_splat_<mode>_mem): Likewise.
14413
14414 2017-05-22  Segher Boessenkool  <segher@kernel.crashing.org>
14415
14416         * cfgcleanup.c (bb_is_just_return): Allow CLOBBERs.
14417
14418 2017-05-22  Jakub Jelinek  <jakub@redhat.com>
14419
14420         PR middle-end/80809
14421         * omp-low.c (finish_taskreg_remap): New function.
14422         (finish_taskreg_scan): If unit size of ctx->record_type
14423         is non-constant, unshare the size expression and replace
14424         decls in it with possible outer var refs.
14425
14426         PR middle-end/80809
14427         * gimplify.c (omp_add_variable): For GOVD_DEBUG_PRIVATE use
14428         GOVD_SHARED rather than GOVD_PRIVATE with it.
14429         (gimplify_adjust_omp_clauses_1, gimplify_adjust_omp_clauses): Expect
14430         GOVD_SHARED rather than GOVD_PRIVATE with GOVD_DEBUG_PRIVATE.
14431
14432         PR middle-end/80853
14433         * omp-low.c (lower_reduction_clauses): Pass OMP_CLAUSE_PRIVATE
14434         as last argument to build_outer_var_ref for pointer bases of array
14435         section reductions.
14436
14437 2017-05-19  Martin Sebor  <msebor@redhat.com>
14438
14439         * print-tree.c (print_node): Print DECL_READ_P flag.
14440
14441 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
14442
14443         * Makefile.in: Add ipa-fnsummary.o and ipa-fnsummary.h
14444         * auto-profile.c: Replace ipa-inline.h by ipa-fnsummary.h
14445         * cgraph.c: Likewise.
14446         * cgraphunit.c: Likewise.
14447         * gengtype.c: Likewise.
14448         * ipa-cp.c: Likewise.
14449         * ipa-devirt.c: Likewise.
14450         * ipa-icf.c: Likewise.
14451         * ipa-predicate.c: Likewise.
14452         * ipa-profile.c: Likewise.
14453         * ipa-prop.c: Likewise.
14454         * ipa-split.c: Likewise.
14455         * ipa.c: Likewise.
14456         * ipa-inline-analysis.c (inline_summaries, ipa_call_summaries,
14457         edge_predicate_pool, dump_inline_hints,
14458         inline_summary::account_size_time, redirect_to_unreachable,
14459         edge_set_predicate, set_hint_predicate,
14460         evaluate_conditions_for_known_args, evaluate_properties_for_edge,
14461         inline_summary_alloc, ipa_call_summary::reset, inline_summary::reset,
14462         inline_summary_t::remove, remap_hint_predicate_after_duplication,
14463         inline_summary_t::duplicate, ipa_call_summary_t::duplicate,
14464         ipa_call_summary_t::remove, initialize_growth_caches,
14465         free_growth_caches, dump_ipa_call_summary, dump_inline_summary,
14466         debug_inline_summary, dump_inline_summaries, initialize_inline_failed,
14467         mark_modified, unmodified_parm_1, unmodified_parm,
14468         unmodified_parm_or_parm_agg_item, eliminated_by_inlining_prob,
14469         set_cond_stmt_execution_predicate, set_switch_stmt_execution_predicate,
14470         compute_bb_predicates, will_be_nonconstant_expr_predicate,
14471         will_be_nonconstant_predicate, record_modified_bb_info,
14472         get_minimal_bb, record_modified, param_change_prob,
14473         phi_result_unknown_predicate, predicate_for_phi_result,
14474         array_index_predicate, clobber_only_eh_bb_p, fp_expression_p,
14475         estimate_function_body_sizes, compute_inline_parameters,
14476         compute_inline_parameters_for_curren, pass_data_inline_parameters,
14477         estimate_node_size_and_time, estimate_ipcp_clone_size_and_time,
14478         inline_update_callee_summaries, remap_edge_change_prob,
14479         remap_edge_summaries, remap_hint_predicate, inline_merge_summary,
14480         inline_update_overall_summary, inline_indirect_intraprocedural_analysis,
14481         inline_analyze_function, inline_summary_t::insert,
14482         inline_generate_summary, read_ipa_call_summary, inline_read_section,
14483         inline_read_summary, write_ipa_call_summary, inline_write_summary,
14484         inline_free_summary): Move to ipa-fnsummary.h
14485         (predicate_t): Remove.
14486         * ipa-fnsummary.c: New file.
14487         * ipa-inline.h:  Do not include sreal.h and ipa-predicate.h
14488         (enum inline_hints_vals, inline_hints, agg_position_info,
14489         INLINE_SIZE_SCALE, size_time_entry, inline_summary, inline_summary_t,
14490         inline_summaries, ipa_call_summary, ipa_call_summary_t,
14491         ipa_call_summaries, debug_inline_summary, dump_inline_summaries,
14492         dump_inline_summary, dump_inline_hints, inline_generate_summary,
14493         inline_read_summary, inline_write_summary, inline_free_summary,
14494         inline_analyze_function, initialize_inline_failed,
14495         inline_merge_summary, inline_update_overall_summary,
14496         compute_inline_parameters): Move to ipa-fnsummary.h
14497         * ipa-fnsummary.h: New file.
14498         * ipa-inline-transform.h: Include ipa-inline.h.
14499         * ipa-inline.c: LIkewise.
14500
14501 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
14502
14503         * ipa-inline.c (edge_badness): Use inlined_time instead of
14504         inline_summaries->get.
14505
14506 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
14507
14508         * ipa-inline.c (edge_badness): Use estimate_size_after_inlining.
14509
14510 2017-05-22  Nathan Sidwell  <nathan@acm.org>
14511
14512         * doc/invoke.texi (fdump-translation-unit): Delete documentation.
14513         (fdump-lang): Document 'raw' option.
14514         * dumpfile.h (TDI_tu): Delete.
14515         * dumpfile.c (dump_files): Remove translation-unit.
14516         (FIRST_AUTO_NUMBERED_DUMP): Decrement.
14517
14518 2017-05-22  Georg-Johann Lay  <avr@gjlay.de>
14519
14520         * config/avr/t-avr (AWK) [t-multilib]: Remove "-v FORMAT=Makefile"
14521         command option from $(AWK) call.
14522         * config/avr/genmultilib.awk: Simplify and rewrite so that it
14523         generates MULTILIB_REQUIRED instead of MULTILIB_EXCEPTIONS.
14524         [FORMAT]: Remove handling of variable.
14525         * config/avr/t-multilib: Regenerate.
14526
14527 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
14528
14529         * ipa-inline-analysis.c (inline_summary::reset): Do not reset
14530         self_time.
14531         (dump_inline_summary): Do not print self_time.
14532         (estimate_function_body_sizes): Do not set self_time.
14533         (compute_inline_parameters): Likewise.
14534         (inline_read_section, inline_write_summary): Do not stream self_time.
14535         * ipa-inline.h (inline_summary): Drop self_time.
14536
14537 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
14538
14539         * ipa-inline-analysis.c (account_size_time): Rename to ...
14540         (inline_summary::account_size_time): ... this one.
14541         (reset_ipa_call_summary): Turn to ...
14542         (ipa_call_summary::reset): ... this one.
14543         (reset_inline_summary): Turn to ...
14544         (inline_summary::reset): ... this one.
14545         (inline_summary_t::remove): Update.
14546         (inline_summary_t::duplicate): Update.
14547         (ipa_call_summary_t::remove): Update.
14548         (dump_inline_summary): Update.
14549         (estimate_function_body_sizes): Update.
14550         (compute_inline_parameters): Update.
14551         (estimate_node_size_and_time): Update.
14552         (inline_merge_summary): Update.
14553         (inline_update_overall_summary): Update.
14554         (inline_read_section): Update.
14555         (inline_write_summary): Update.
14556         * ipa-inline.h (inline_summary): Rename entry to size_time_table;
14557         add account_size_time and reset member functions.
14558         (ipa_call_summary): Add reset function.
14559         * ipa-predicate.h (predicate::operator &): Constify.
14560
14561 2017-05-22  Richard Biener  <rguenther@suse.de>
14562
14563         * df-scan.c (df_insn_refs_verify): Speedup when not verifying.
14564
14565 2017-05-19  Jason Merrill  <jason@redhat.com>
14566
14567         * tree.c (make_tree_vec_stat, grow_tree_vec_stat): Use size_t.
14568
14569 2017-05-19  Marek Polacek  <polacek@redhat.com>
14570
14571         PR sanitizer/80800
14572         * fold-const.c (extract_muldiv_1) <case TRUNC_DIV_EXPR>: Add
14573         TYPE_OVERFLOW_WRAPS checks.
14574
14575 2017-05-19  Thomas Schwinge  <thomas@codesourcery.com>
14576
14577         * tree-core.h (enum omp_clause_default_kind): Add
14578         "OMP_CLAUSE_DEFAULT_PRESENT".
14579         * tree-pretty-print.c (dump_omp_clause): Handle it.
14580         * gimplify.c (enum gimplify_omp_var_data): Add
14581         "GOVD_MAP_FORCE_PRESENT".
14582         (gimplify_adjust_omp_clauses_1): Map it to
14583         "GOMP_MAP_FORCE_PRESENT".
14584         (oacc_default_clause): Handle "OMP_CLAUSE_DEFAULT_PRESENT".
14585
14586         * gimplify.c (oacc_default_clause): Clarify.
14587
14588 2017-05-19  Nathan Sidwell  <nathan@acm.org>
14589
14590         LANG_HOOK_REGISTER_DUMPS
14591         * toplev.c (general_init): Call register dump lang hook.
14592         * doc/invoke.texi: Document -fdump-lang option family.
14593         * dumpfile.c (dump_files): Remove class dump here.
14594         (FIRST_AUTO_NUMBERED_DUMP): Adjust.
14595         * dumpfile.h (tree_dump_index): Remove TDI_class.
14596         * langhooks-def.h (lhd_register_dumps): Declare.
14597         (LANG_HOOKS_REGISTER_DUMPS): Define.
14598         (LANG_HOOKS_INITIALIZER): Add it.
14599         * langhooks.c (lhd_register_dumps): Define.
14600         * langhooks.h (struct lang_hooks): Add register_dumps.
14601
14602 2017-05-19  Nathan Sidwell  <nathan@acm.org>
14603
14604         * context.h (context::set_passes): New.
14605         * context.c (context::context): Do not create pass manager.
14606         * toplev.c (general_init): Create pass manager here.
14607
14608 2017-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
14609
14610         * config/rs6000/rs6000.md (splitter to load of -1 and mask): Don't
14611         use this splitter if two add or or instructions would also work for
14612         the constant we want to generate.
14613
14614 2017-05-19  Richard Biener  <rguenther@suse.de>
14615
14616         PR build/80821
14617         * genmatch.c (dt_node::gen_kids_1): Add missing scope around
14618         predicate evaluation.
14619
14620 2017-05-19  Jan Hubicka  <hubicka@ucw.cz>
14621
14622         * ipa-inline.h (ipa_call_summary): Turn sizes into signed;
14623         add ctor.
14624         * ipa-inline.c (want_inline_small_function_p): Do not cast to
14625         unsigned.
14626
14627 2017-05-19  Jan Hubicka  <hubicka@ucw.cz>
14628
14629         * ipa-inline-analysis.c (cgraph_2edge_hook_list, cgraph_edge_hook_list,
14630         inline_edge_removal_hook, inline_edge_duplication_hook): Remove.
14631         (inline_edge_summary_vec): Turn into ...
14632         (ipa_call_summaries): ... this one.
14633         (redirect_to_unreachable, edge_set_predicate,
14634         evaluate_properties_for_edge, inline_summary_alloc,
14635         reset_ipa_call_summary, reset_inline_summary,
14636         inline_summary_t::duplicate): Update.
14637         (inline_edge_duplication_hook): Turn to ...
14638         (ipa_call_summary_t::duplicate): ... this one.
14639         (inline_edge_removal_hook): Turn to ...
14640         (ipa_call_summary_t::remove): ... this one.
14641         (dump_inline_edge_summary): Turn to ...
14642         (dump_ipa_call_summary): ... this one.
14643         (estimate_function_body_sizes): Update.
14644         (inline_update_callee_summaries): Update.
14645         (remap_edge_change_prob): Update.
14646         (remap_edge_summaries): Update.
14647         (inline_merge_summary): Update.
14648         (do_estimate_edge_time): Update.
14649         (inline_generate_summary): Update.
14650         (inline_read_section): Update.
14651         (inline_read_summary): Update.
14652         (inline_free_summary): Update.
14653         * ipa-inline.c (can_inline_edge_p): Update.
14654         (compute_inlined_call_time): Update.
14655         (want_inline_small_function_p): Update.
14656         (edge_badness): Update.
14657         (early_inliner): Update.
14658         * ipa-inline.h (inline_edge_summary): Turn to ...
14659         (ipa_call_summary): ... this one.
14660         (ipa_call_summary_t): New class.
14661         (inline_edge_summary_t, inline_edge_summary_vec): Remove.
14662         (ipa_call_summaries): New.
14663         (inline_edge_summary): Remove.
14664         (estimate_edge_growth): Update.
14665         * ipa-profile.c (ipa_propagate_frequency_1): Update.
14666         * ipa-prop.c (ipa_make_edge_direct_to_target): Update.
14667         * ipa-split.c (execute_split_functions): Update.
14668         * ipa.c (symbol_table::remove_unreachable_nodes): Update.
14669
14670 2017-05-19  Richard Biener  <rguenther@suse.de>
14671
14672         PR middle-end/80764
14673         * cfgexpand.c (expand_gimple_cond): Fix loop fixup.
14674
14675 2017-05-18  Segher Boessenkool  <segher@kernel.crashing.org>
14676
14677         * config/rs6000/rs6000.c (struct machine_function): Add field
14678         fpr_is_wrapped_separately.
14679         (rs6000_get_separate_components): Use 64 components.  Handle the
14680         new FPR components.
14681         (rs6000_components_for_bb): Handle the FPR components.
14682         (rs6000_emit_prologue_components): Handle the FPR components.
14683         (rs6000_emit_epilogue_components): Handle the FPR components.
14684         (rs6000_set_handled_components): Handle the FPR components.
14685         (rs6000_emit_prologue): Don't output prologue code for those FPRs
14686         that are already separately shrink-wrapped.
14687         (rs6000_emit_epilogue): Don't output epilogue code for those FPRs
14688         that are already separately shrink-wrapped.
14689
14690 2017-05-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
14691
14692         PR target/80510
14693         * config/rs6000/predicates.md (simple_offsettable_mem_operand):
14694         New predicate.
14695
14696         * config/rs6000/rs6000.md (ALTIVEC_DFORM): New iterator.
14697         (define_peephole2 for Altivec d-form load): Add peepholes to catch
14698         cases where the register allocator uses a move and an offsettable
14699         memory operation to/from a FPR register on ISA 2.06/2.07.
14700         (define_peephole2 for Altivec d-form store): Likewise.
14701
14702 2017-05-18  Uros Bizjak  <ubizjak@gmail.com>
14703
14704         PR target/80799
14705         * config/i386/mmx.md (*mov<mode>_internal): Enable
14706         alternatives 11, 12, 13 and 14 also for 32bit targets.
14707         Remove alternatives 15, 16, 17 and 18.
14708         * config/i386/sse.md (vec_concatv2di): Change
14709         alternative (!x, *y) to (x, ?!*Yn).
14710
14711 2017-05-18  Paolo Carlini  <paolo.carlini@oracle.com>
14712
14713         * dumpfile.h (enum dump_kind): Remove stray comma.
14714
14715 2017-05-18  Jan Hubicka  <hubicka@ucw.cz>
14716
14717         * Makefile.in: Add ipa-predicate.o and ipa-predicate.h
14718         * ipa-inline-analysis.c (NUM_CONDITIONS): turn into
14719         predicate::num_conditions
14720         (IS_NOT_CONSTANT): turn into predicate::is_not_constant.
14721         (CHANGED): turn into predicate::changed.
14722         (agg_position_info): Move to ipa-predicate.h
14723         (add_condition, predicate::add_clause, predicate::operator &=,
14724         predicate::or_with, predicate::evaluate, predicate::probability,
14725         dump_condition, dump_clause, predicate::dump,
14726         predicate::remap_after_duplication, predicate::remap_after_inlining,
14727         predicate::stream_in, predicate::stream_out): Move to ipa-predicate.c
14728         (evaluate_conditions_for_known_args): Update.
14729         (set_cond_stmt_execution_predicate): Update.
14730         * ipa-inline.h: Include ipa-predicate.h
14731         (condition, inline_param_summary, conditions, agg_position_info,
14732         predicate): Move to ipa-predicate.h
14733         * ipa-predicate.c: New file.
14734         * ipa-predicate.h: New file.
14735
14736 2017-05-18  Wilco Dijkstra  <wdijkstr@arm.com>
14737
14738         * final.c (leaf_function_p): Check we are not in a sequence.
14739
14740 2017-05-18  Martin Liska  <mliska@suse.cz>
14741
14742         * cfgrtl.c (rtl_verify_edges): Remove usage of TDF_RTL.
14743         * dumpfile.c (dump_register): Use new enum dump_kind.
14744         (get_dump_file_name): Likewise.
14745         (dump_enable_all): Likewise.
14746         (dump_switch_p_1): Likewise.
14747         (enable_rtl_dump_file): Remove usage of TDF_RTL.
14748         * dumpfile.h (enum dump_kind): New enum type.
14749         (struct dump_file_info): Create constructor and
14750         format fields and comments.
14751         * passes.c (pass_manager::register_one_dump_file):
14752         Use num dump_kind.
14753         * statistics.c (statistics_early_init): Likewise.
14754         * tree-ssa-loop-prefetch.c (dump_mem_details): Replace
14755         TDF_TREE with TDF_SLIM.
14756         (gather_memory_references_ref): Likewise.
14757
14758 2017-05-18  Martin Liska  <mliska@suse.cz>
14759
14760         * vec.h (struct vnull): Use it.
14761
14762 2017-05-18  Jan Hubicka  <hubicka@ucw.cz>
14763
14764         * ipa-inline-analysis.c (predicate_conditions): Move to ipa-inline.h
14765         (true_predicate, false_predicate, true_predicate_p,
14766         false_predicate_p): Remove.
14767         (single_cond_predicate, not_inlined_predicate): Turn to member function
14768         in ipa-inline.h
14769         (add_condition): Update.
14770         (add_clause): Turn to...
14771         (predicate::add_clause): ... this one; update; allow passing NULL
14772         as parameter.
14773         (and_predicates): Turn to ...
14774         (predicate::operator &=): ... this one.
14775         (predicates_equal_p): Move to predicate::operator == in ipa-inline.h
14776         (or_predicates): Turn to ...
14777         (predicate::or_with): ... this one.
14778         (evaluate_predicate): Turn to ...
14779         (predicate::evaluate): ... this one.
14780         (predicate_probability): Turn to ...
14781         (predicate::probability): ... this one.
14782         (dump_condition): Update.
14783         (dump_predicate): Turn to ...
14784         (predicate::dump): ... this one.
14785         (account_size_time): Update.
14786         (edge_set_predicate): Update.
14787         (set_hint_predicate): UPdate.
14788         (evaluate_conditions_for_known_args): Update.
14789         (evaluate_properties_for_edge): Update.
14790         (remap_predicate_after_duplication): Turn to...
14791         (predicate::remap_after_duplication): ... this one.
14792         (remap_hint_predicate_after_duplication): Update.
14793         (inline_summary_t::duplicate): UPdate.
14794         (dump_inline_edge_summary): Update.
14795         (dump_inline_summary): Update.
14796         (set_cond_stmt_execution_predicate): Update.
14797         (set_switch_stmt_execution_predicate): Update.
14798         (compute_bb_predicates): Update.
14799         (will_be_nonconstant_expr_predicate): Update.
14800         (will_be_nonconstant_predicate): Update.
14801         (phi_result_unknown_predicate): Update.
14802         (predicate_for_phi_result): Update.
14803         (array_index_predicate): Update.
14804         (estimate_function_body_sizes): Update.
14805         (estimate_node_size_and_time): Update.
14806         (estimate_ipcp_clone_size_and_time): Update.
14807         (remap_predicate): Rename to ...
14808         (predicate::remap_after_inlining): ... this one.
14809         (remap_hint_predicate): Update.
14810         (inline_merge_summary): Update.
14811         (inline_update_overall_summary): Update.
14812         (estimate_size_after_inlining): Update.
14813         (read_predicate): Rename to ...
14814         (predicate::stream_in): ... this one.
14815         (read_inline_edge_summary): Update.
14816         (write_predicate): Rename to ...
14817         (predicate::stream_out): ... this one.
14818         (write_inline_edge_summary): Update.
14819         * ipa-inline.h (MAX_CLAUSES): Turn to predicate::max_clauses.
14820         (clause_t): Turn to uint32_t
14821         (predicate): Turn to class; implement constructor and operators
14822         ==, !=, &
14823         (size_time_entry): Update.
14824         (inline_summary): Update.
14825         (inline_edge_summary): Update.
14826
14827 2017-05-18  Marc Glisse  <marc.glisse@inria.fr>
14828
14829         * fold-const.c (fold_binary_loc): Move transformation...
14830         * match.pd (C - X CMP X): ... here.
14831
14832 2017-05-18  Sheldon Lobo  <sheldon.lobo@oracle.com>
14833
14834         * config/sparc/sparc.c (sparc_option_override): Set function
14835         alignment for -mcpu=niagara7 to 64 to match the I$ line.
14836         * config/sparc/sparc.h (BRANCH_COST): Set the SPARC M7 branch
14837         latency to 1.
14838         * config/sparc/sparc.h (BRANCH_COST): Set the SPARC T4 branch
14839         latency to 2.
14840         * config/sparc/sol2.h: Fix a ASM_CPU32_DEFAULT_SPEC typo.
14841
14842 2017-05-18  Marek Polacek  <polacek@redhat.com>
14843
14844         PR sanitizer/80797
14845         * ubsan.c (instrument_null): Unwrap ADDR_EXPRs.
14846         (pass_ubsan::execute): Call gimple_assign_single_p instead of
14847         gimple_assign_load_p.
14848
14849 2017-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
14850
14851         PR middle-end/80692
14852         * real.c (do_compare): Give decimal_do_compare preference over
14853         comparing just the signs.
14854
14855 2017-05-17  Uros Bizjak  <ubizjak@gmail.com>
14856
14857         * doc/md.texi (Canonicalization of Instructions): Describe the
14858         canonical form of instructions that inherently set a condition
14859         code register.
14860
14861 2017-05-17  Peter Bergner  <bergner@vnet.ibm.com>
14862
14863         PR middle-end/80775
14864         * tree-cfg.c: Move deletion of unreachable case statements to after
14865         the merging of consecutive case labels.
14866
14867 2017-05-17  Thomas Preud'homme  <thomas.preudhomme@arm.com>
14868
14869         * config/arm/arm.c (cmse_nonsecure_call_clear_caller_saved): Refer
14870         readers to __gnu_cmse_nonsecure_call libcall for saving, clearing and
14871         restoring of callee-saved registers.
14872
14873 2017-05-17  Eric Botcazou  <ebotcazou@adacore.com>
14874
14875         * compare-elim.c (equivalent_reg_at_start): Adjust outdated comment.
14876         * config/visium/visium.c (single_set_and_flags): Likewise.
14877         * config/visium/visium.md (Substitutions): Likewise.
14878
14879 2017-05-17  Martin Liska  <mliska@suse.cz>
14880
14881         * cfg.c: Introduce dump_flags_t type and
14882         use it instead of int type.
14883         * cfg.h: Likewise.
14884         * cfghooks.c: Likewise.
14885         * cfghooks.h (struct cfg_hooks): Likewise.
14886         * cfgrtl.c: Likewise.
14887         * cfgrtl.h: Likewise.
14888         * cgraph.c (cgraph_node::get_body): Likewise.
14889         * coretypes.h: Likewise.
14890         * domwalk.c: Likewise.
14891         * domwalk.h: Likewise.
14892         * dumpfile.c (struct dump_option_value_info): Likewise.
14893         (dump_enable_all): Likewise.
14894         (dump_switch_p_1): Likewise.
14895         (opt_info_switch_p): Likewise.
14896         * dumpfile.h (enum tree_dump_index): Likewise.
14897         (struct dump_file_info): Likewise.
14898         * genemit.c: Likewise.
14899         * generic-match-head.c: Likewise.
14900         * gengtype.c (open_base_files): Likewise.
14901         * gimple-pretty-print.c: Likewise.
14902         * gimple-pretty-print.h: Likewise.
14903         * graph.c (print_graph_cfg): Likewise.
14904         * graphite-scop-detection.c (dot_all_sese): Likewise.
14905         * ipa-devirt.c (build_type_inheritance_graph): Likewise.
14906         * loop-unroll.c (report_unroll): Likewise.
14907         * passes.c (pass_manager::register_one_dump_file): Likewise.
14908         * print-tree.c: Likewise.
14909         * statistics.c: Likewise.
14910         * tree-cfg.c: Likewise.
14911         * tree-cfg.h: Likewise.
14912         * tree-dfa.c: Likewise.
14913         * tree-dfa.h: Likewise.
14914         * tree-dump.c (dump_function): Likewise.
14915         * tree-dump.h (struct dump_info): Likewise.
14916         * tree-pretty-print.c: Likewise.
14917         * tree-pretty-print.h: Likewise.
14918         * tree-ssa-live.c: Likewise.
14919         * tree-ssa-live.h: Likewise.
14920         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
14921         * tree-vect-loop.c: Likewise.
14922         * tree-vect-slp.c: Likewise.
14923
14924 2017-05-16  James Greenhalgh  <james.greenhalgh@arm.com>
14925             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
14926
14927         PR tree-optimization/80457
14928         * tree-vect-stmts.c (vect_model_simple_cost): Model the cost
14929         of all arguments to a statement as scalar_to_vec operations.
14930         (vectorizable_call): Adjust call to vect_model_simple_cost for
14931         new parameter.
14932         (vectorizable_conversion): Likewise.
14933         (vectorizable_assignment): Likewise.
14934         (vectorizable_shift): Likewise.
14935         (vectorizable_operation): Likewise.
14936         (vectorizable_comparison): Likewise.
14937         (vect_is_simple_cond): Record the def types for operands.
14938         (vectorizable_condition): Likewise, call vect_model_simple_cost.
14939         * tree-vectorizer.h (vect_model_simple_cost): Add new parameter
14940         for statement argument count.
14941
14942 2017-05-16  Carl Love  <cel@us.ibm.com>
14943
14944         * config/rs6000/rs6000-c: Add support for built-in functions
14945         vector unsigned long long vec_bperm (vector unsigned long long,
14946                                              vector unsigned char)
14947         vector signed long long vec_mule (vector signed int,
14948                                           vector signed int)
14949         vector unsigned long long vec_mule (vector unsigned int,
14950                                             vector unsigned int)
14951         vector signed long long vec_mulo (vector signed int,
14952                                           vector signed int)
14953         vector unsigned long long vec_mulo (vector unsigned int,
14954                                             vector unsigned int)
14955         vector signed char vec_sldw (vector signed char,
14956                                      vector signed char,
14957                                      const int)
14958         vector unsigned char vec_sldw (vector unsigned char,
14959                                        vector unsigned char,
14960                                        const int)
14961         vector signed short vec_sldw (vector signed short,
14962                                       vector signed short,
14963                                       const int)
14964         vector unsigned short vec_sldw (vector unsigned short,
14965                                         vector unsigned short,
14966                                         const int)
14967         vector signed int vec_sldw (vector signed int,
14968                                     vector signed int,
14969                                     const int)
14970         vector unsigned int vec_sldw (vector unsigned int,
14971                                       vector unsigned int,
14972                                       const int)
14973         vector signed long long vec_sldw (vector signed long long,
14974                                           vector signed long long,
14975                                           const int)
14976         vector unsigned long long vec_sldw (vector unsigned long long,
14977                                             vector unsigned long long,
14978                                             const int)
14979         * config/rs6000/rs6000-c: Add support for built-in functions
14980         * config/rs6000/rs6000-builtin.def: Add definition for SLDW.
14981         * config/rs6000/altivec.h: Add defintion for vec_sldw.
14982         * doc/extend.texi: Update the built-in documentation for the
14983         new built-in functions.
14984
14985 2017-05-16  Marek Polacek  <polacek@redhat.com>
14986
14987         PR sanitizer/80536
14988         PR sanitizer/80386
14989         * tree.c (save_expr): Don't fold the expression.
14990
14991 2017-05-16  Uros Bizjak  <ubizjak@gmail.com>
14992
14993         * config/i386/i386.md (*movsi_internal): Split (?rm,*y) alternative
14994         to (?r,*Yn) and (?m,*y) alternatives, and (?*y,rm) to (?*Ym,r)
14995         and (?*y,m).  Update insn attributes.
14996
14997 2017-05-16  Martin Liska  <mliska@suse.cz>
14998
14999         * cgraph.c (cgraph_edge::resolve_speculation): Add default value for
15000         flags argument of print_gimple_stmt, print_gimple_expr,
15001         print_generic_stmt and print_generic_expr.
15002         * cgraphclones.c (symbol_table::materialize_all_clones): Likewise.
15003         * coretypes.h: Likewise.
15004         * except.c (dump_eh_tree): Likewise.
15005         * gimple-fold.c (gimple_fold_stmt_to_constant_1): Likewise.
15006         * gimple-pretty-print.h: Likewise.
15007         * gimple-ssa-backprop.c (dump_usage_prefix): Likewise.
15008         (backprop::push_to_worklist): Likewise.
15009         (backprop::pop_from_worklist): Likewise.
15010         (backprop::process_use): Likewise.
15011         (backprop::intersect_uses): Likewise.
15012         (note_replacement): Likewise.
15013         * gimple-ssa-store-merging.c
15014         (pass_store_merging::terminate_all_aliasing_chains): Likewise.
15015         (imm_store_chain_info::coalesce_immediate_stores): Likewise.
15016         (pass_store_merging::execute): Likewise.
15017         * gimple-ssa-strength-reduction.c (dump_candidate): Likewise.
15018         (ssa_base_cand_dump_callback): Likewise.
15019         (dump_incr_vec): Likewise.
15020         (replace_refs): Likewise.
15021         (replace_mult_candidate): Likewise.
15022         (create_add_on_incoming_edge): Likewise.
15023         (create_phi_basis): Likewise.
15024         (insert_initializers): Likewise.
15025         (all_phi_incrs_profitable): Likewise.
15026         (introduce_cast_before_cand): Likewise.
15027         (replace_one_candidate): Likewise.
15028         * gimplify.c (gimplify_expr): Likewise.
15029         * graphite-isl-ast-to-gimple.c (is_valid_rename): Likewise.
15030         (set_rename): Likewise.
15031         (rename_uses): Likewise.
15032         (copy_loop_phi_nodes): Likewise.
15033         (add_close_phis_to_merge_points): Likewise.
15034         (copy_loop_close_phi_args): Likewise.
15035         (copy_cond_phi_args): Likewise.
15036         (graphite_copy_stmts_from_block): Likewise.
15037         (translate_pending_phi_nodes): Likewise.
15038         * graphite-poly.c (print_pdr): Likewise.
15039         (dump_gbb_cases): Likewise.
15040         (dump_gbb_conditions): Likewise.
15041         (print_scop_params): Likewise.
15042         * graphite-scop-detection.c (build_cross_bb_scalars_def): Likewise.
15043         (build_cross_bb_scalars_use): Likewise.
15044         (gather_bbs::before_dom_children): Likewise.
15045         * hsa-dump.c (dump_hsa_immed): Likewise.
15046         * ipa-cp.c (print_ipcp_constant_value): Likewise.
15047         (get_replacement_map): Likewise.
15048         * ipa-inline-analysis.c (dump_condition): Likewise.
15049         (estimate_function_body_sizes): Likewise.
15050         * ipa-polymorphic-call.c (check_stmt_for_type_change): Likewise.
15051         (ipa_polymorphic_call_context::get_dynamic_type): Likewise.
15052         * ipa-prop.c (ipa_dump_param): Likewise.
15053         (ipa_print_node_jump_functions_for_edge): Likewise.
15054         (ipa_modify_call_arguments): Likewise.
15055         (ipa_modify_expr): Likewise.
15056         (ipa_dump_param_adjustments): Likewise.
15057         (ipa_dump_agg_replacement_values): Likewise.
15058         (ipcp_modif_dom_walker::before_dom_children): Likewise.
15059         * ipa-pure-const.c (check_stmt): Likewise.
15060         (pass_nothrow::execute): Likewise.
15061         * ipa-split.c (execute_split_functions): Likewise.
15062         * omp-offload.c (dump_oacc_loop_part): Likewise.
15063         (dump_oacc_loop): Likewise.
15064         * trans-mem.c (tm_log_emit): Likewise.
15065         (tm_memopt_accumulate_memops): Likewise.
15066         (dump_tm_memopt_set): Likewise.
15067         (dump_tm_memopt_transform): Likewise.
15068         * tree-cfg.c (gimple_verify_flow_info): Likewise.
15069         (print_loop): Likewise.
15070         * tree-chkp-opt.c (chkp_print_addr): Likewise.
15071         (chkp_gather_checks_info): Likewise.
15072         (chkp_get_check_result): Likewise.
15073         (chkp_remove_check_if_pass): Likewise.
15074         (chkp_use_outer_bounds_if_possible): Likewise.
15075         (chkp_reduce_bounds_lifetime): Likewise.
15076         * tree-chkp.c (chkp_register_addr_bounds): Likewise.
15077         (chkp_mark_completed_bounds): Likewise.
15078         (chkp_register_incomplete_bounds): Likewise.
15079         (chkp_mark_invalid_bounds): Likewise.
15080         (chkp_maybe_copy_and_register_bounds): Likewise.
15081         (chkp_build_returned_bound): Likewise.
15082         (chkp_get_bound_for_parm): Likewise.
15083         (chkp_build_bndldx): Likewise.
15084         (chkp_get_bounds_by_definition): Likewise.
15085         (chkp_generate_extern_var_bounds): Likewise.
15086         (chkp_get_bounds_for_decl_addr): Likewise.
15087         * tree-chrec.c (chrec_apply): Likewise.
15088         * tree-data-ref.c (dump_data_reference): Likewise.
15089         (dump_subscript): Likewise.
15090         (dump_data_dependence_relation): Likewise.
15091         (analyze_overlapping_iterations): Likewise.
15092         * tree-inline.c (expand_call_inline): Likewise.
15093         (tree_function_versioning): Likewise.
15094         * tree-into-ssa.c (dump_defs_stack): Likewise.
15095         (dump_currdefs): Likewise.
15096         (dump_names_replaced_by): Likewise.
15097         (dump_update_ssa): Likewise.
15098         (update_ssa): Likewise.
15099         * tree-object-size.c (pass_object_sizes::execute): Likewise.
15100         * tree-parloops.c (build_new_reduction): Likewise.
15101         (try_create_reduction_list): Likewise.
15102         (ref_conflicts_with_region): Likewise.
15103         (oacc_entry_exit_ok_1): Likewise.
15104         (oacc_entry_exit_single_gang): Likewise.
15105         * tree-pretty-print.h: Likewise.
15106         * tree-scalar-evolution.c (set_scalar_evolution): Likewise.
15107         (get_scalar_evolution): Likewise.
15108         (add_to_evolution): Likewise.
15109         (get_loop_exit_condition): Likewise.
15110         (analyze_evolution_in_loop): Likewise.
15111         (analyze_initial_condition): Likewise.
15112         (analyze_scalar_evolution): Likewise.
15113         (instantiate_scev): Likewise.
15114         (number_of_latch_executions): Likewise.
15115         (gather_chrec_stats): Likewise.
15116         (final_value_replacement_loop): Likewise.
15117         (scev_const_prop): Likewise.
15118         * tree-sra.c (dump_access): Likewise.
15119         (disqualify_candidate): Likewise.
15120         (create_access): Likewise.
15121         (reject): Likewise.
15122         (maybe_add_sra_candidate): Likewise.
15123         (create_access_replacement): Likewise.
15124         (analyze_access_subtree): Likewise.
15125         (analyze_all_variable_accesses): Likewise.
15126         (sra_modify_assign): Likewise.
15127         (initialize_constant_pool_replacements): Likewise.
15128         (find_param_candidates): Likewise.
15129         (decide_one_param_reduction): Likewise.
15130         (replace_removed_params_ssa_names): Likewise.
15131         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
15132         * tree-ssa-copy.c (dump_copy_of): Likewise.
15133         (copy_prop_visit_cond_stmt): Likewise.
15134         * tree-ssa-dce.c (mark_operand_necessary): Likewise.
15135         * tree-ssa-dom.c (pass_dominator::execute): Likewise.
15136         (record_equivalences_from_stmt): Likewise.
15137         * tree-ssa-dse.c (compute_trims): Likewise.
15138         (delete_dead_call): Likewise.
15139         (delete_dead_assignment): Likewise.
15140         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond): Likewise.
15141         (forward_propagate_into_cond): Likewise.
15142         (pass_forwprop::execute): Likewise.
15143         * tree-ssa-ifcombine.c (ifcombine_ifandif): Likewise.
15144         * tree-ssa-loop-im.c (invariantness_dom_walker::before_dom_children):
15145         Likewise.
15146         (move_computations_worker): Likewise.
15147         (execute_sm): Likewise.
15148         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Likewise.
15149         (remove_exits_and_undefined_stmts): Likewise.
15150         (remove_redundant_iv_tests): Likewise.
15151         * tree-ssa-loop-ivopts.c (dump_use): Likewise.
15152         (adjust_iv_update_pos): Likewise.
15153         * tree-ssa-math-opts.c (bswap_replace): Likewise.
15154         * tree-ssa-phiopt.c (factor_out_conditional_conversion): Likewise.
15155         (value_replacement): Likewise.
15156         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
15157         * tree-ssa-pre.c (print_pre_expr): Likewise.
15158         (get_representative_for): Likewise.
15159         (create_expression_by_pieces): Likewise.
15160         (insert_into_preds_of_block): Likewise.
15161         (eliminate_insert): Likewise.
15162         (eliminate_dom_walker::before_dom_children): Likewise.
15163         (eliminate): Likewise.
15164         (remove_dead_inserted_code): Likewise.
15165         * tree-ssa-propagate.c (substitute_and_fold): Likewise.
15166         * tree-ssa-reassoc.c (get_rank): Likewise.
15167         (eliminate_duplicate_pair): Likewise.
15168         (eliminate_plus_minus_pair): Likewise.
15169         (eliminate_not_pairs): Likewise.
15170         (undistribute_ops_list): Likewise.
15171         (eliminate_redundant_comparison): Likewise.
15172         (update_range_test): Likewise.
15173         (optimize_range_tests_var_bound): Likewise.
15174         (optimize_vec_cond_expr): Likewise.
15175         (rewrite_expr_tree): Likewise.
15176         (rewrite_expr_tree_parallel): Likewise.
15177         (linearize_expr): Likewise.
15178         (break_up_subtract): Likewise.
15179         (linearize_expr_tree): Likewise.
15180         (attempt_builtin_powi): Likewise.
15181         (attempt_builtin_copysign): Likewise.
15182         (transform_stmt_to_copy): Likewise.
15183         (transform_stmt_to_multiply): Likewise.
15184         (dump_ops_vector): Likewise.
15185         * tree-ssa-sccvn.c (vn_nary_build_or_lookup_1): Likewise.
15186         (print_scc): Likewise.
15187         (set_ssa_val_to): Likewise.
15188         (visit_reference_op_store): Likewise.
15189         (visit_use): Likewise.
15190         (sccvn_dom_walker::before_dom_children): Likewise.
15191         (run_scc_vn): Likewise.
15192         * tree-ssa-scopedtables.c (avail_exprs_stack::lookup_avail_expr):
15193         Likewise.
15194         (expr_hash_elt::print): Likewise.
15195         (const_and_copies::pop_to_marker): Likewise.
15196         (const_and_copies::record_const_or_copy_raw): Likewise.
15197         * tree-ssa-structalias.c (compute_dependence_clique): Likewise.
15198         * tree-ssa-uninit.c (collect_phi_def_edges): Likewise.
15199         (dump_predicates): Likewise.
15200         (find_uninit_use): Likewise.
15201         (warn_uninitialized_phi): Likewise.
15202         (pass_late_warn_uninitialized::execute): Likewise.
15203         * tree-ssa.c (verify_vssa): Likewise.
15204         (verify_ssa): Likewise.
15205         (maybe_optimize_var): Likewise.
15206         * tree-vrp.c (dump_value_range): Likewise.
15207         (dump_all_value_ranges): Likewise.
15208         (dump_asserts_for): Likewise.
15209         (register_edge_assert_for_2): Likewise.
15210         (vrp_visit_cond_stmt): Likewise.
15211         (vrp_visit_switch_stmt): Likewise.
15212         (vrp_visit_stmt): Likewise.
15213         (vrp_visit_phi_node): Likewise.
15214         (simplify_cond_using_ranges_1): Likewise.
15215         (fold_predicate_in): Likewise.
15216         (evrp_dom_walker::before_dom_children): Likewise.
15217         (evrp_dom_walker::push_value_range): Likewise.
15218         (evrp_dom_walker::pop_value_range): Likewise.
15219         (execute_early_vrp): Likewise.
15220
15221 2017-05-16  Richard Biener  <rguenther@suse.de>
15222
15223         * dwarf2out.c (loc_list_from_tree_1): Do not create
15224         DW_OP_GNU_variable_value for DECL_IGNORED_P decls.
15225
15226 2017-05-16  Richard Biener  <rguenther@suse.de>
15227
15228         * dwarf2out.c (resolve_variable_value_in_expr): Lookup DIE
15229         just generated.
15230         (note_variable_value_in_expr): If we resolved the decl ref
15231         do not push to the stack.
15232
15233 2017-05-16  Matthew Wahab  <matthew.wahab@arm.com>
15234
15235         * config/arm/arm_neon.h (vadd_f16): Use standard arithmetic
15236         operations in fast-math mode.
15237         (vaddq_f16): Likewise.
15238         (vmul_f16): Likewise.
15239         (vmulq_f16): Likewise.
15240         (vsub_f16): Likewise.
15241         (vsubq_f16): Likewise.
15242         * config/arm/neon.md (add<mode>3): New.
15243         (sub<mode>3): New.
15244         (fma:<VH:mode>3): New.  Also remove outdated comment.
15245         (mul<mode>3): New.
15246
15247 2017-05-16  Martin Liska  <mliska@suse.cz>
15248
15249         PR ipa/79849.
15250         PR ipa/79850.
15251         * ipa-devirt.c (warn_types_mismatch): Fix typo.
15252         (odr_types_equivalent_p): Likewise.
15253
15254 2017-05-15  Sylvestre Ledru  <sylvestre@debian.org>
15255
15256         * plugin.c (try_init_one_plugin): Fix ressource leaks (CID 726637).
15257
15258 2017-05-15  Uros Bizjak  <ubizjak@gmail.com>
15259
15260         PR target/80425
15261         * config/i386.i386.md (*zero_extendsidi2): Do not penalize
15262         non-interunit SSE move alternatives with '?'.
15263         (zero-extendsidi peephole2): New peephole to skip intermediate
15264         general register in SSE zero-extend sequence.
15265
15266 2017-05-15  Jeff Law  <law@redhat.com>
15267
15268         * reorg.c (relax_delay_slots): Create a new variable to hold
15269         the temporary target rather than clobbering TARGET_LABEL.
15270
15271         * config/tilegx/tilegx.c (tilegx_expand_unaligned_load): Add
15272         missing argument to extract_bit_field call.
15273         * config/tilepro/tilepro.c (tilepro_expand_unaligned_load): Likewise.
15274
15275 2017-05-15  Martin Liska  <mliska@suse.cz>
15276
15277         PR driver/31468
15278         * gcc.c (process_command): Do not allow empty argument of -o option.
15279
15280 2017-05-15  Renlin Li  <renlin.li@arm.com>
15281
15282         * config/aarch64/aarch64-protos.h (aarch64_expand_call): Declare.
15283         * config/aarch64/aarch64.c (aarch64_expand_call): Define.
15284         * config/aarch64/constraints.md (Usf): Add long call check.
15285         * config/aarch64/aarch64.md (call): Use aarch64_expand_call.
15286         (call_value): Likewise.
15287         (sibcall): Likewise.
15288         (sibcall_value): Likewise.
15289         (call_insn): New.
15290         (call_value_insn): New.
15291         (sibcall_insn): Update rtx pattern.
15292         (sibcall_value_insn): Likewise.
15293         (call_internal): Remove.
15294         (call_value_internal): Likewise.
15295         (sibcall_internal): Likewise.
15296         (sibcall_value_internal): Likewise.
15297         (call_reg): Likewise.
15298         (call_symbol): Likewise.
15299         (call_value_reg): Likewise.
15300         (call_value_symbol): Likewise.
15301
15302 2017-05-14  Krister Walfridsson  <krister.walfridsson@gmail.com>
15303
15304         PR target/80600
15305         * config/netbsd.h (NETBSD_LIBGCC_SPEC): Always add -lgcc.
15306
15307 2017-05-14  Uros Bizjak  <ubizjak@gmail.com>
15308
15309         * config/i386.i386.c (ix86_cc_modes_compatible): CCNOmode is
15310         compatible with CCGOCmode and with CCZmode.
15311
15312 2017-05-14  Martin Sebor  <msebor@redhat.com>
15313
15314         PR middle-end/77671
15315         * gimple-fold.c (gimple_fold_builtin_sprintf): Make extern.
15316         (gimple_fold_builtin_snprintf): Same.
15317         * gimple-fold.h (gimple_fold_builtin_sprintf): Declare.
15318         (gimple_fold_builtin_snprintf): Same.
15319         * gimple-ssa-sprintf.c (get_format_string): Correct the detection
15320         of character types.
15321         (is_call_safe): New function.
15322         (try_substitute_return_value): Call it.
15323         (try_simplify_call): New function.
15324         (pass_sprintf_length::handle_gimple_call): Call it.
15325
15326 2017-05-14  Martin Sebor  <msebor@redhat.com>
15327
15328         PR middle-end/80669
15329         * builtins.c (expand_builtin_stpncpy): Simplify.
15330
15331 2017-05-14  Daniel Santos  <daniel.santos@pobox.com>
15332
15333         * config/i386/i386.opt: Add option -mcall-ms2sysv-xlogues.
15334         * config/i386/i386.h
15335         (x86_64_ms_sysv_extra_clobbered_registers): Change type to unsigned.
15336         (NUM_X86_64_MS_CLOBBERED_REGS): New macro.
15337         (struct machine_function): Add new members call_ms2sysv,
15338         call_ms2sysv_pad_in, call_ms2sysv_pad_out and call_ms2sysv_extra_regs.
15339         (struct machine_frame_state): New fields sp_realigned and
15340         sp_realigned_offset.
15341         * config/i386/i386.c
15342         (enum xlogue_stub): New enum.
15343         (enum xlogue_stub_sets): New enum.
15344         (class xlogue_layout): New class.
15345         (struct ix86_frame): New fields stack_realign_allocate_offset,
15346         stack_realign_offset and outlined_save_offset.  Modify comments to
15347         detail stack layout when using out-of-line stubs.
15348         (ix86_target_string): Add -mcall-ms2sysv-xlogues option.
15349         (ix86_option_override_internal): Add sorry() for TARGET_SEH and
15350         -mcall-ms2sysv-xlogues.
15351         (stub_managed_regs): New static variable.
15352         (ix86_save_reg): Add new parameter ignore_outlined to optionally omit
15353         registers managed by out-of-line stub.
15354         (disable_call_ms2sysv_xlogues): New function.
15355         (ix86_compute_frame_layout): Modify re-alignment calculations, disable
15356         m->call_ms2sysv when appropriate and compute frame layout for
15357         out-of-line stubs.
15358         (sp_valid_at, fp_valid_at): New inline functions.
15359         (choose_basereg): New function.
15360         (choose_baseaddr): Add align parameter, use choose_basereg and modify
15361         all callers.
15362         (ix86_emit_save_reg_using_mov, ix86_emit_restore_sse_regs_using_mov):
15363         Use align parameter of choose_baseaddr to generated aligned SSE movs
15364         when possible.
15365         (pro_epilogue_adjust_stack): Modify to track
15366         machine_frame_state::sp_realigned.
15367         (ix86_nsaved_regs): Modify to accommodate changes to ix86_save_reg.
15368         (ix86_nsaved_sseregs): Likewise.
15369         (ix86_emit_save_regs): Likewise.
15370         (ix86_emit_save_regs_using_mov): Likewise.
15371         (ix86_emit_save_sse_regs_using_mov): Likewise.
15372         (get_scratch_register_on_entry): Likewise.
15373         (gen_frame_set): New function.
15374         (gen_frame_load): Likewise.
15375         (gen_frame_store): Likewise.
15376         (emit_outlined_ms2sysv_save): Likewise.
15377         (emit_outlined_ms2sysv_restore): Likewise.
15378         (ix86_expand_prologue): Modify stack re-alignment code and call
15379         emit_outlined_ms2sysv_save when appropriate.
15380         (ix86_emit_leave): Clear machine_frame_state::sp_realigned.  Add
15381         parameter rtx_insn *insn, which allows the function to be used to only
15382         generate the notes.
15383         (ix86_expand_epilogue): Modify validity checks of frame and stack
15384         pointers, and call emit_outlined_ms2sysv_restore when appropriate.
15385         (ix86_expand_call): Modify to enable m->call_ms2sysv when appropriate.
15386         * config/i386/predicates.md
15387         (save_multiple): New predicate.
15388         (restore_multiple): Likewise.
15389         * config/i386/sse.md
15390         (save_multiple<mode>): New pattern.
15391         (save_multiple_realign<mode>): Likewise.
15392         (restore_multiple<mode>): Likewise.
15393         (restore_multiple_and_return<mode>): Likewise.
15394         (restore_multiple_leave_return<mode>): Likewise.
15395         * Makefile.in: Export HOSTCXX and HOSTCXXFLAGS to site.exp
15396
15397 2017-05-14  Julia Koval  <julia.koval@intel.com>
15398
15399         * config/i386/i386-builtin-types.def (VOID_FTYPE_INT_INT64): New type.
15400         * config/i386/i386-builtin.def (__builtin_ia32_xgetbv)
15401         (__builtin_ia32_xsetbv): New builtins.
15402         * config/i386/i386.c (ix86_expand_special_args_builtin):
15403         Process new types.
15404         (ix86_expand_builtin): Special expand for new intrinsics.
15405         * config/i386/i386.md (UNSPECV_XGETBV, UNSPECV_XSETBV): New.
15406         (xsetbv, xsetbv_rex64, xgetbv, xgetbv_rex64): New insn patterns.
15407         * config/i386/xsaveintrin.h (_xsetbv, _getbv): New intrinsics.
15408
15409 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15410
15411         * cfganal.c (inverted_post_order_compute): Change argument type
15412         to vec *.
15413         * cfganal.h (inverted_post_order_compute): Adjust prototype.
15414         * df-core.c (rest_of_handle_df_initialize): Adjust.
15415         (rest_of_handle_df_finish): Likewise.
15416         (df_analyze_1): Likewise.
15417         (df_analyze): Likewise.
15418         (loop_inverted_post_order_compute): Change argument to be a vec *.
15419         (df_analyze_loop): Adjust.
15420         (df_get_n_blocks): Likewise.
15421         (df_get_postorder): Likewise.
15422         * df.h (struct df_d): Change field to be a vec.
15423         * lcm.c (compute_laterin): Adjust.
15424         (compute_available): Likewise.
15425         * lra-lives.c (lra_create_live_ranges_1): Likewise.
15426         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
15427         * tree-ssa-pre.c (compute_antic): Likewise.
15428
15429 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15430
15431         * cfganal.c (connect_infinite_loops_to_exit): Adjust.
15432         (depth_first_search::depth_first_search): Change structure init
15433         function to this constructor.
15434         (depth_first_search::add_bb): Rename function to this member.
15435         (depth_first_search::execute): Likewise.
15436         (flow_dfs_compute_reverse_finish): Adjust.
15437
15438 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15439
15440         * ddg.c (find_nodes_on_paths): Use auto_sbitmap.
15441         (longest_simple_path): Likewise.
15442         * shrink-wrap.c (spread_components): Likewise.
15443         (disqualify_problematic_components): Likewise.
15444         (emit_common_heads_for_components): Likewise.
15445         (emit_common_tails_for_components): Likewise.
15446         (insert_prologue_epilogue_for_components): Likewise.
15447
15448 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15449
15450         * tree-ssa-dse.c (dse_dom_walker): Make m_live_byes a
15451         auto_sbitmap.
15452
15453 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15454
15455         * df-core.c (df_set_blocks): Start using auto_bitmap.
15456         (df_compact_blocks): Likewise.
15457         * df-problems.c (df_rd_confluence_n): Likewise.
15458         * df-scan.c (df_insn_rescan_all): Likewise.
15459         (df_process_deferred_rescans): Likewise.
15460         (df_update_entry_block_defs): Likewise.
15461         (df_update_exit_block_uses): Likewise.
15462         (df_entry_block_bitmap_verify): Likewise.
15463         (df_exit_block_bitmap_verify): Likewise.
15464         (df_scan_verify): Likewise.
15465         * lra-constraints.c (lra_constraints): Likewise.
15466         (undo_optional_reloads): Likewise.
15467         (lra_undo_inheritance): Likewise.
15468         * lra-remat.c (calculate_gen_cands): Likewise.
15469         (do_remat): Likewise.
15470         * lra-spills.c (assign_spill_hard_regs): Likewise.
15471         (spill_pseudos): Likewise.
15472         * tree-ssa-pre.c (bitmap_set_and): Likewise.
15473         (bitmap_set_subtract_values): Likewise.
15474
15475 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15476
15477         * haifa-sched.c (estimate_shadow_tick): Replace manual bitmap
15478         management with auto_bitmap.
15479         (fix_inter_tick): Likewise.
15480         (fix_recovery_deps): Likewise.
15481         * ira.c (add_store_equivs): Likewise.
15482         (find_moveable_pseudos): Likewise.
15483         (split_live_ranges_for_shrink_wrap): Likewise.
15484         * print-rtl.c (rtx_reuse_manager::rtx_reuse_manager): Likewise.
15485         (rtx_reuse_manager::seen_def_p): Likewise.
15486         (rtx_reuse_manager::set_seen_def): Likewise.
15487         * print-rtl.h (class rtx_reuse_manager): Likewise.
15488
15489 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15490
15491         * bt-load.c (combine_btr_defs): Use auto_bitmap to manage bitmap
15492         lifetime.
15493         (migrate_btr_def): Likewise.
15494         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
15495         * df-core.c (loop_post_order_compute): Likewise.
15496         (loop_inverted_post_order_compute): Likewise.
15497         * hsa-common.h: Likewise.
15498         * hsa-gen.c (hsa_bb::~hsa_bb): Likewise.
15499         * init-regs.c (initialize_uninitialized_regs): Likewise.
15500         * ipa-inline.c (resolve_noninline_speculation): Likewise.
15501         (inline_small_functions): Likewise.
15502         * ipa-reference.c (ipa_reference_write_optimization_summary): Likewise.
15503         * ira.c (combine_and_move_insns): Likewise.
15504         (build_insn_chain): Likewise.
15505         * loop-invariant.c (find_invariants): Likewise.
15506         * lower-subreg.c (propagate_pseudo_copies): Likewise.
15507         * predict.c (tree_predict_by_opcode): Likewise.
15508         (predict_paths_leading_to): Likewise.
15509         (predict_paths_leading_to_edge): Likewise.
15510         (estimate_loops_at_level): Likewise.
15511         (estimate_loops): Likewise.
15512         * shrink-wrap.c (try_shrink_wrapping): Likewise.
15513         (spread_components): Likewise.
15514         * tree-cfg.c (remove_edge_and_dominated_blocks): Likewise.
15515         * tree-loop-distribution.c (rdg_build_partitions): Likewise.
15516         * tree-predcom.c (tree_predictive_commoning_loop): Likewise.
15517         * tree-ssa-coalesce.c (coalesce_ssa_name): Likewise.
15518         * tree-ssa-phionlycprop.c (pass_phi_only_cprop::execute): Likewise.
15519         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
15520         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Likewise.
15521         * tree-ssa-threadupdate.c (compute_path_counts): Likewise.
15522         (mark_threaded_blocks): Likewise.
15523         (thread_through_all_blocks): Likewise.
15524         * tree-ssa.c (verify_ssa): Likewise.
15525         (execute_update_addresses_taken): Likewise.
15526         * tree-ssanames.c (verify_ssaname_freelists): Likewise.
15527
15528 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15529
15530         * cfganal.c (mark_dfs_back_edges): Replace manual stack with
15531         auto_vec.
15532         (post_order_compute): Likewise.
15533         (inverted_post_order_compute): Likewise.
15534         (pre_and_rev_post_order_compute_fn): Likewise.
15535
15536 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15537
15538         * genrecog.c (int_set::int_set): Explicitly construct our
15539         auto_vec base class.
15540         * vec.h (auto_vec::auto_vec): New constructor.
15541
15542 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15543
15544         * bitmap.h (class auto_bitmap): New constructor taking
15545         bitmap_obstack * argument.
15546
15547 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15548
15549         * bitmap.h (class auto_bitmap): Change type of m_bits to
15550         bitmap_head, and adjust ctor / dtor and member operators.
15551
15552 2017-05-13  Uros Bizjak  <ubizjak@gmail.com>
15553
15554         * compare-elim.c (equivalent_reg_at_start): Return NULL_RTX
15555         when returned register mode doesn't match original mode.
15556
15557 2017-05-12  Jeff Law  <law@redhat.com>
15558             Jakub Jelinek  <jakub@redhat.com>
15559
15560         * config/mn10300/mn10300.c (mn10300_match_ccmode): Fix where
15561         we look for cc setter after the compare-elim changes.
15562         * config/mn10300/mn10300.md (addsi3_flags): Fix order of patterns
15563         within the vector to match what compare-elim now expects.
15564         (subsi3_flags, andsi3_flags, iorsi3_flags): Likewise.
15565         (xorsi3_flags, one_cmplsi2_flags): Likewise.
15566
15567         * config/rx/rx.c (rx_match_ccmode): Fix where we look cc setter
15568         after the compare-elim changes.
15569         * config/rx/rx.md (abssi2_flags): Fix order of patterns within
15570         the vector to match what compare-elim now expects.
15571         (addsi3_flags, adc_flags, addsi3_flags peepholes): Likewise.
15572         (andsi3_flags, negsi2_flags, one_cmplsi2_flags): Likewise.
15573         (iorsi3_flags, rotlsi3_flags, rotrsi3_flags): Likewise.
15574         (ashrsi3_flags, lshrsi3_flags, ashlsi3_flags): Likewise.
15575         (ssaddsi3, subsi3_flags, sbb_flags, xorsi3_flags): Likewise.
15576
15577         * config/visium/visium.c (single_set_and_flags): Fix where
15578         we look for cc setter after the compare-elim changes.
15579         * config/visium/visium.md (flags_subst_logic): Fix order of patterns
15580         with the vector to match what compare-elim now expects.
15581         (flags_subst_arith, add<mode>3_insn_set_carry): Likewise.
15582         (add<mode>3_insn_set_overflow, addsi3_insn_set_carry): Likewise.
15583         (addsi3_insn_set_overflow, sub<mode>3_insn_set_carry): Likewise.
15584         (sub<mode>3_insn_set_overflow, subsi3_insn_set_carry): Likewise.
15585         (subsi3_insn_set_overflow, negsi2_insn_set_carry): Likewise.
15586         (neg<mode>2_insn_set_overflow): Likewise.
15587
15588 2017-05-12  Jim Wilson  <jim.wilson@linaro.org>
15589
15590         PR middle-end/79794
15591         * expmed.c (extract_bit_field_1): Add alt_rtl argument.  Before
15592         maybe_expand_insn call, set ops[0].target.  If still set after call,
15593         set alt_rtl.  Add extra arg to recursive calls.
15594         (extract_bit_field): Add alt_rtl argument.  Pass to
15595         extract_bit_field.
15596         * expmed.h (extract_bit_field): Fix prototype.
15597         * expr.c (emit_group_load_1, copy_blkmode_from_reg)
15598         (copy_blkmode_to_reg, read_complex_part, store_field): Pass extra NULL
15599         to extract_bit_field_calls.
15600         (expand_expr_real_1): Pass alt_rtl to expand_expr_real instead of 0.
15601         Pass alt_rtl to extract_bit_field calls.
15602         * calls.c (store_unaligned_arguments_into_psuedos)
15603         load_register_parameters): Pass extra NULL to extract_bit_field calls.
15604         * optabs.c (maybe_legitimize_operand): Clear op->target when call
15605         gen_reg_rtx.
15606         * optabs.h (struct expand_operand): Add target bitfield.
15607
15608 2017-05-12  Uros Bizjak  <ubizjak@gmail.com>
15609
15610         * compare-elim.c (try_eliminate_compare): Canonicalize
15611         operation with embedded compare to
15612         [(set (reg:CCM) (compare:CCM (operation) (immediate)))
15613          (set (reg) (operation)].
15614
15615         * config/i386/i386.c (TARGET_FLAGS_REGNUM): New define.
15616
15617 2017-05-12  Uros Bizjak  <ubizjak@gmail.com>
15618
15619         PR target/80723
15620         * config/i386/i386.c (ix86_rtx_cost) [case PLUS]: Ignore the
15621         cost of adding a carry flag for ADC instruction.
15622         [case MINUS]: Ignore the cost of subtracting a carry flag
15623         for SBB instruction.
15624
15625 2017-05-12  Steven Munroe  <munroesj@gcc.gnu.org>
15626
15627         * config.gcc (powerpc*-*-*): Add bmi2intrin.h, bmiintrin.h,
15628         and x86intrin.h
15629         * config/rs6000/bmiintrin.h: New file.
15630         * config/rs6000/bmi2intrin.h: New file.
15631         * config/rs6000/x86intrin.h: New file.
15632
15633 2017-05-12  Jeff Law  <law@redhat.com>
15634
15635         * tree-vrp.c (vrp_dom_walker::before_dom_children): Push unwinding
15636         markers.
15637
15638 2017-05-12  Peter Bergner  <bergner@vnet.ibm.com>
15639
15640         PR middle-end/80707
15641         * tree-cfg.c: Remove cfg edges of unreachable case statements.
15642
15643 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
15644
15645         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling for
15646         early expansion of vector divide builtins.
15647         (builtin_function_type): Add VSX_BUILTIN_UDIV_V2DI to the list of
15648         builtins identified as having unsigned arguments.
15649
15650 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
15651
15652         * config/rs6000/rs6000.c (gimple-fold.h): New #include.
15653         (rs6000_gimple_fold_builtin): Add handling for early GIMPLE
15654         expansion of vector logical operations (and, andc, or, xor,
15655         nor, orc, nand).
15656
15657 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
15658
15659         * gimple-fold.c (create_tmp_reg_or_ssa_name): Remove static declaration.
15660         * gimple-fold.h (create_tmp_reg_or_ssa_name): New prototype.
15661
15662 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
15663
15664         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling for
15665         early GIMPLE expansion of vector multiplies.
15666
15667 2017-05-12  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
15668
15669         * config/arm/arm.md (movsi): Add TARGET_32BIT in addition to the
15670         TARGET_HAVE_MOVT conditional.
15671         (movt splitter): Likewise.
15672
15673 2017-05-12  Richard Biener  <rguenther@suse.de>
15674
15675         * tree-ssa-sccvn.h (has_VN_INFO): Declare.
15676         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
15677         Fold all stmts not inplace.
15678
15679 2017-05-12  Richard Biener  <rguenther@suse.de>
15680
15681         PR tree-optimization/80713
15682         * tree-ssa-pre.c (remove_dead_inserted_code): Clear
15683         inserted_exprs bit for not removed stmts.
15684
15685 2017-05-12  Thomas Schwinge  <thomas@codesourcery.com>
15686
15687         PR middle-end/69921
15688         * tree-parloops.c (create_parallel_loop): Set "oacc kernels
15689         parallelized" attribute for parallelized OpenACC kernels.
15690         * omp-offload.c (execute_oacc_device_lower): Use it.
15691
15692         * omp-expand.c (expand_omp_target) <GF_OMP_TARGET_KIND_OACC_KERNELS>:
15693         Set "oacc kernels" attribute.
15694         * omp-general.c (oacc_set_fn_attrib): Remove is_kernel formal
15695         parameter.  Adjust all users.
15696         (oacc_fn_attrib_kernels_p): Remove function.
15697         * omp-offload.c (execute_oacc_device_lower): Look for "oacc
15698         kernels" attribute instead of calling oacc_fn_attrib_kernels_p.
15699         * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
15700         * tree-parloops.c (create_parallel_loop): If oacc_kernels_p,
15701         assert "oacc kernels" attribute is set.
15702
15703 2017-05-11  Carl Love  <cel@us.ibm.com>
15704
15705         * config/rs6000/rs6000-c: Add support for built-in functions
15706         vector unsigned char vec_popcnt (vector signed char)
15707         vector unsigned char vec_popcnt (vector unsigned char)
15708         vector unsigned short vec_popcnt (vector signed short)
15709         vector unsigned short vec_popcnt (vector unsigned short)
15710         vector unsigned int vec_popcnt (vector signed int)
15711         vector unsigned int vec_popcnt (vector unsigned int)
15712         vector unsigned long long vec_popcnt (vector signed long long)
15713         vector unsigned long long vec_popcnt (vector unsigned long long)
15714         vector signed long long vec_slo (vector signed long long,
15715                                          vector signed char)
15716         vector signed long long vec_slo (vector signed long long,
15717                                          vector unsigned char)
15718         vector unsigned long long vec_slo (vector unsigned long long,
15719                                            vector signed char)
15720         vector unsigned long long vec_slo (vector unsigned long long,
15721                                            vector unsigned char)
15722         * config/rs6000/rs6000-builtin.def: Add definitions for VPOPCNTUB,
15723         VPOPCNTUH, VPOPCNTUW, and VPOPCNTUD overloads.
15724         * config/rs6000/altivec.h: Add define for vec_popcnt, vec_popcntb,
15725         vec_popcnth, vec_popcntw and vec_popcntd built-in functions.
15726         * doc/extend.texi: Update the built-in documentation file for the
15727         new built-in functions.
15728
15729 2017-05-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
15730
15731         * attribs.h (sorted_attr_string): Move machine independent
15732         functions for target clone support from the i386 port to common
15733         code.  Rename ix86_function_versions to common_function_versions.
15734         Rename make_name to make_unique_name.
15735         (common_function_versions): Likewise.
15736         (make_unique_name): Likewise.
15737         (make_dispatcher_decl): Likewise.
15738         (is_function_default_version): Likewise.
15739         * attribs.c (attr_strcmp): Likewise.
15740         (sorted_attr_string): Likewise.
15741         (common_function_versions): Likewise.
15742         (make_unique_name): Likewise.
15743         (make_dispatcher_decl): Likewise.
15744         (is_function_default_version): Likewise.
15745         * config/i386/i386.c (attr_strcmp): Likewise.
15746         (sorted_attr_string): Likewise.
15747         (ix86_function_versions): Likewise.
15748         (make_name): Likewise.
15749         (make_dispatcher_decl): Likewise.
15750         (is_function_default_version): Likewise.
15751         (TARGET_OPTION_FUNCTION_VERSIONS): Update target function hook.
15752
15753 2017-05-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
15754
15755         PR target/80695
15756         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost):
15757         Account for direct move costs for vec_construct of integer
15758         vectors.
15759
15760 2017-05-11  Uros Bizjak  <ubizjak@gmail.com>
15761
15762         PR target/80706
15763         * config/i386/sync.md (UNSPEC_LDX_ATOMIC): New unspec.
15764         (UNSPEC_STX_ATOMIC): Ditto.
15765         (loaddi_via_sse): New insn.
15766         (storedi_via_sse): Ditto.
15767         (atomic_loaddi_fpu): Emit loaddi_via_sse and storedi_via_sse.
15768         Update corresponding peephole2 patterns.
15769         (atomic_storedi_fpu): Ditto.
15770
15771 2017-05-11  Julia Koval  <julia.koval@intel.com>
15772
15773         * config/i386/avx512fintrin.h (_mm_mask_rsqrt14_sd)
15774         (_mm_maskz_rsqrt14_sd, _mm_mask_rsqrt14_ss, _mm_maskz_rsqrt14_ss):
15775         New intrinsics.
15776         * config/i386/i386-builtin.def (__builtin_ia32_rsqrt14sd_mask)
15777         (__builtin_ia32_rsqrt14ss_mask): New builtins.
15778         * config/i386/sse.md (rsqrt14_<mode>_mask): New pattern.
15779
15780 2017-05-11  Nathan Sidwell  <nathan@acm.org>
15781
15782         * graphite-poly.c: Include dumpfile.h.
15783
15784         * dumpfle.h (dump_function): Declare here ...
15785         * tree-dump.h (dump_function): ... not here.
15786         * dumpfile.c: #include tree-cfg.h.
15787         (dump_function): Move here from ...
15788         * tree-dump.c (dump_function): ... here.
15789         * gimplify.c: #include splay-tree.h, not tree-dump.h.
15790         * graphite-poly.c: Don't include tree-dump.h.
15791         * cgraphclones.c: Include dumpfile.h not tree-dump.h.
15792         * print-tree.c: Likewise.
15793         * stor-layout.c: Likewise.
15794         * tree-nested.c: Likewise.
15795
15796         * dumpfile.c (dump_start): Use TDF_FLAGS.
15797         (dump_enable_all): Fix TDF_KIND check thinko.
15798
15799 2017-05-11  Kelvin Nilsen  <kelvin@gcc.gnu.org>
15800
15801         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
15802         array entries to represent two legal parameterizations of the
15803         overloaded __builtin_cmpb function, as represented by the
15804         P6_OV_BUILTIN_CMPB constant.
15805         (altivec_resolve_overloaded_builtin): Add special case handling
15806         for the __builtin_cmpb function, as represented by the
15807         P6_OV_BUILTIN_CMPB constant.
15808         * config/rs6000/rs6000-builtin.def (BU_P6_2): New macro.
15809         (BU_P6_64BIT_2): New macro.
15810         (BU_P6_OVERLOAD_2): New macro
15811         (CMPB_32): Add 32-bit compare-bytes support for 32-bit only targets.
15812         (CMPB): Add 64-bit compare-bytes support for 32-bit and 64-bit targets.
15813         (CMPB): Add overload support to represent both 32-bit and 64-bit
15814         compare-bytes function.
15815         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
15816         support for TARGET_CMPB.
15817         * config/rs6000/rs6000.h: Add support for RS6000_BTM_CMPB.
15818         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Add
15819         documentation of the __builtin_cmpb overloaded built-in function.
15820
15821 2017-05-11  Richard Biener  <rguenther@suse.de>
15822
15823         PR tree-optimization/80705
15824         * tree-vect-data-refs.c (vect_analyze_data_refs): DECL_NONALIASED
15825         bases are not vectorizable.
15826
15827 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
15828
15829         * tree-ssa-loop-ivopts.c (determine_set_costs): Skip non-interger
15830         when counting register pressure.
15831
15832 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
15833
15834         * tree-ssa-loop-ivopts.c (compare_cost_pair): New.
15835         (iv_ca_more_deps): Renamed to ...
15836         (iv_ca_compare_deps): ... this.
15837         (iv_ca_extend): Extend iv_ca if NEW_CP is cheaper than OLD_CP.
15838
15839 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
15840
15841         * tree-ssa-loop-ivopts.c (find_interesting_uses): Move inv vars dump
15842         to ...
15843         (determine_group_iv_costs): ... here.
15844         (find_inv_vars_cb): Record inv var if it's not recorded before.
15845
15846 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
15847
15848         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): Refine comments.
15849         (get_shiftadd_cost): Ditto.
15850
15851 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
15852
15853         * tree-ssa-address.c: Include header file.
15854         (move_hint_to_base): Return TRUE if BASE_HINT is moved to memory
15855         address.
15856         (add_to_parts): Refactor.
15857         (addr_to_parts): New parameter.  Update use of move_hint_to_base.
15858         (create_mem_ref): Update use of addr_to_parts.  Re-associate addr
15859         in new order.
15860
15861 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
15862
15863         PR tree-optimization/53090
15864         * tree-ssa-loop-ivopts.c (enum comp_iv_rewrite): New enum value
15865         COMP_IV_EXPR_2.
15866         (extract_cond_operands): Detect condition with IV on both sides
15867         and return COMP_IV_EXPR_2.
15868         (find_interesting_uses_cond): Add iv_use for both IVs in condition.
15869         (rewrite_use_compare): Simplify by removing call to function
15870         extract_cond_operands.
15871
15872 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
15873
15874         * tree-ssa-loop-ivopts.c (enum comp_iv_rewrite): New.
15875         (extract_cond_operands): Detect condition comparing against non-
15876         invariant bound and return appropriate enum value.
15877         (find_interesting_uses_cond): Update use of extract_cond_operands.
15878         Handle its return value accordingly.
15879         (determine_group_iv_cost_cond, rewrite_use_compare): Ditto.
15880
15881 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
15882
15883         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Re-associate
15884         nonlinear iv_use computation in loop invariant sensitive way.
15885
15886 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
15887
15888         * tree-ssa-loop-ivopts.c (relate_compare_use_with_all_cands): New.
15889         (find_iv_candidates): Call relate_compare_use_with_all_cands.
15890
15891 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
15892
15893         * tree-ssa-loop-ivopts.c (struct iv_cand): New field inv_exprs.
15894         (dump_cand): Support iv_cand.inv_exprs.
15895         (add_candidate_1): Record invariant exprs in iv_cand.inv_exprs
15896         for candidates.
15897         (iv_ca_set_no_cp, iv_ca_set_cp, free_loop_data): Support
15898         iv_cand.inv_exprs.
15899
15900 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
15901
15902         * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): Move
15903         from ...
15904         * tree-ssa-address.c (multiplier_allowed_in_address_p): ... to here
15905         as local function.  Include necessary header files.
15906         * tree-ssa-loop-ivopts.h (multiplier_allowed_in_address_p): Delete.
15907
15908 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
15909
15910         * tree-ssa-loop-ivopts.c (autoinc_possible_for_pair): Simplify.
15911
15912 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
15913
15914         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Handle more
15915         operators: TRUNC_DIV_EXPR, BIT_AND_EXPR, BIT_IOR_EXPR, LSHIFT_EXPR,
15916         RSHIFT_EXPR and BIT_NOT_EXPR.
15917
15918 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
15919
15920         * tree-ssa-loop-ivopts.c (get_loop_invariant_expr): Simplify.
15921         (adjust_setup_cost): New parameter supporting round up adjustment.
15922         (struct address_cost_data): Delete.
15923         (force_expr_to_var_cost): Don't bound cost with spill_cost.
15924         (split_address_cost, ptr_difference_cost): Delete.
15925         (difference_cost, compare_aff_trees, record_inv_expr): Delete.
15926         (struct ainc_cost_data): New struct.
15927         (get_address_cost_ainc): New function.
15928         (get_address_cost, get_computation_cost): Reimplement.
15929         (determine_group_iv_cost_address): Record inv_expr for all uses of
15930         a group.
15931         (determine_group_iv_cost_cond): Call get_loop_invariant_expr.
15932         (iv_ca_has_deps): Reimplemented to ...
15933         (iv_ca_more_deps): ... this.  Check if NEW_CP introduces more deps
15934         than OLD_CP.
15935         (iv_ca_extend): Call iv_ca_more_deps.
15936
15937 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
15938
15939         * tree-ssa-address.c (struct mem_address): Move to header file.
15940         (valid_mem_ref_p, move_fixed_address_to_symbol): Make it global.
15941         * tree-ssa-address.h (struct mem_address): Move from C file.
15942         (valid_mem_ref_p, move_fixed_address_to_symbol): Declare.
15943
15944 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
15945
15946         * tree-affine.h (aff_combination_type): New interface.
15947         (aff_combination_zero_p): Remove static.
15948         (aff_combination_const_p): New interface.
15949         (aff_combination_singleton_var_p): New interfaces.
15950
15951 2017-05-11  Richard Biener  <rguenther@suse.de>
15952
15953         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
15954         Skip unreachable blocks and destinations.
15955         (eliminate): Move stmt removal and fixup ...
15956         (fini_eliminate): ... here.  Skip inserted exprs.
15957         (pass_pre::execute): Move fini_pre after fini_eliminate.
15958         * tree-ssa-tailmerge.c: Include tree-cfgcleanup.h.
15959         (tail_merge_optimize): Run cleanup_tree_cfg if requested by
15960         PRE to get rid of dead code that has invalid SSA form and
15961         split critical edges again.
15962
15963 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
15964
15965         * rtlanal.c (rtx_cost): Handle TRUNCATE between tieable modes.
15966
15967 2017-05-11  Richard Biener  <rguenther@suse.de>
15968
15969         * passes.c (execute_function_todo): Verify loops if they are
15970         said to be up-to-date.
15971         * cfgexpand.c (pass_expand::execute): Discard loops for -dx.
15972         * trans-mem.c (pass_tm_edges::execute): Mark loops for fixup.
15973
15974 2017-05-10  John David Anglin  <danglin@gcc.gnu.org>
15975
15976         PR target/80090
15977         * config/pa/pa.c (pa_assemble_integer): When outputting a SYMBOL_REF,
15978         handle calling assemble_external ourself.
15979
15980         PR target/79027
15981         * config/pa/pa.c (pa_cannot_change_mode_class): Reject changes to/from
15982         modes with zero size.  Enhance comment.
15983
15984 2017-05-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
15985
15986         * config/rs6000/rs6000.c (altivec_init_builtins): Define POWER8
15987         built-ins for vec_xl and vec_xst with short and char pointer
15988         arguments.
15989
15990 2017-05-10  Sebastian Peryt  <sebastian.peryt@intel.com>
15991
15992         * config/i386/avx512fintrin.h (_mm_mask_max_round_sd)
15993         (_mm_maskz_max_round_sd, _mm_mask_max_round_ss)
15994         (_mm_maskz_max_round_ss, _mm_mask_min_round_sd)
15995         (_mm_maskz_min_round_sd, _mm_mask_min_round_ss)
15996         (_mm_maskz_min_round_ss): New intrinsics.
15997         * config/i386/i386-builtin-types.def (V2DF, V2DF, V2DF, V2DF, UQI, INT)
15998         (V4SF, V4SF, V4SF, V4SF, UQI, INT): New function type aliases.
15999         * config/i386/i386-builtin.def (__builtin_ia32_maxsd_mask_round)
16000         (__builtin_ia32_maxss_mask_round, __builtin_ia32_minsd_mask_round)
16001         (__builtin_ia32_minss_mask_round): New builtins.
16002         * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
16003         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): Handle new types.
16004         * config/i386/sse.md (<sse>_vm<code><mode>3<round_saeonly_name>):
16005         Rename to ...
16006         (<sse>_vm<code><mode>3<mask_name><round_saeonly_name>): ... this.
16007         (v<maxmin_float><ssescalarmodesuffix>\t{<round_saeonly_op3>%2, %1, %0|%0, %1, %<iptr>2<round_saeonly_op3>}):
16008         Change to ...
16009         (v<maxmin_float><ssescalarmodesuffix>\t{<round_saeonly_mask_op3>%2, %1, %0<mask_operand3>|%0<mask_operand3>, %1, %<iptr>2<round_saeonly_mask_op3>}):
16010         ... this.
16011
16012 2017-05-10  Sebastian Peryt  <sebastian.peryt@intel.com>
16013
16014         * config/i386/avx512fintrin.h (_mm_mask_mul_round_sd)
16015         (_mm_maskz_mul_round_sd, _mm_mask_mul_round_ss)
16016         (_mm_maskz_mul_round_ss, _mm_mask_div_round_sd)
16017         (_mm_maskz_div_round_sd, _mm_mask_div_round_ss)
16018         (_mm_maskz_div_round_ss, _mm_mask_mul_sd, _mm_maskz_mul_sd)
16019         (_mm_mask_mul_ss, _mm_maskz_mul_ss, _mm_mask_div_sd)
16020         (_mm_maskz_div_sd, _mm_mask_div_ss, _mm_maskz_div_ss): New intrinsics.
16021         * config/i386/i386-builtin-types.def (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
16022         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): New function type aliases.
16023         * config/i386/i386-builtin.def (__builtin_ia32_divsd_mask_round)
16024         (__builtin_ia32_divss_mask_round, __builtin_ia32_mulsd_mask_round)
16025         (__builtin_ia32_mulss_mask_round): New builtins.
16026         * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
16027         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): Handle new types.
16028         * config/i386/sse.md (<sse>_vm<multdiv_mnemonic><mode>3<round_name>):
16029         Rename to ...
16030         (<sse>_vm<multdiv_mnemonic><mode>3<mask_name><round_name>): ... this.
16031         (v<multdiv_mnemonic><ssescalarmodesuffix>\t{<round_op3>%2, %1, %0|%0, %1, %<iptr>2<round_op3>}):
16032         Change to ...
16033         (v<multdiv_mnemonic><ssescalarmodesuffix>\t{<round_mask_op3>%2, %1, %0<mask_operand3>|%0<mask_operand3>, %1, %<iptr>2<round_mask_op3>}):
16034         ... this.
16035
16036 2017-05-10  Julia Koval  <julia.koval@intel.com>
16037
16038         * config/i386/avxintrin.h (_mm256_set_m128, _mm256_set_m128d)
16039         (_mm256_set_m128i, _mm256_setr_m128, _mm256_setr_m128d)
16040         (_mm256_setr_m128i): New intrinsics.
16041
16042 2017-05-10  Julia Koval  <julia.koval@intel.com>
16043
16044         * config/i386/avx512fintrin.h (_mm_mask_rcp14_sd)
16045         (_mm_maskz_rcp14_sd, _mm_mask_rcp14_ss)
16046         (_mm_maskz_rcp14_ss): New intrinsics.
16047         * config/i386/i386-builtin.def (__builtin_ia32_rcp14sd_mask)
16048         (__builtin_ia32_rcp14ss_mask): New builtins.
16049         * config/i386/sse.md (srcp14<mode>_mask): New pattern.
16050
16051 2017-05-10  Peter Bergner  <bergner@vnet.ibm.com>
16052
16053         PR tree-optimization/51513
16054         * tree-cfg.c (gimple_seq_unreachable_p): New function.
16055         (assert_unreachable_fallthru_edge_p): Use it.
16056         (group_case_labels_stmt): Likewise.
16057         * tree-cfg.h: Prototype it.
16058         * stmt.c: Include cfghooks.h and tree-cfg.h.
16059         (emit_case_dispatch_table) <gap_label>: New local variable.
16060         Use it to fill dispatch table gaps.
16061         Test for default_label before updating probabilities.
16062         (expand_case) <default_label>: Remove unneeded initialization.
16063         Test for unreachable default case statement and remove its edge.
16064         Set default_label accordingly.
16065         * tree-ssa-ccp.c (optimize_unreachable): Update comment.
16066
16067 2017-05-10  Carl Love  <cel@us.ibm.com>
16068
16069         * config/rs6000/rs6000-c: Add support for built-in functions
16070         vector signed char      vec_neg (vector signed char)
16071         vector signed short int vec_neg (vector short int)
16072         vector signed int       vec_neg (vector signed int)
16073         vector signed long long vec_neg (vector signed long long)
16074         vector float            vec_neg (vector float)
16075         vector double           vec_neg (vector double)
16076         * config/rs6000/rs6000-builtin.def: Add definitions for NEG function
16077         overload.
16078         * config/rs6000/altivec.h: Add define for vec_neg
16079         * doc/extend.texi: Update the built-in documentation for the
16080         new built-in functions.
16081
16082 2017-05-10  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
16083
16084         PR tree-optimization/77644
16085         * match.pd (sqrt(x) cmp sqrt(y) -> x cmp y): New pattern.
16086
16087 2017-05-10  Nathan Sidwell  <nathan@acm.org>
16088
16089         * dumpfile.h (TDI_lang_all): New.
16090         (TDF_KIND): New. Renumber others
16091         (TDF_LANG, TDF_TREE, TDF_RTL, TDF_IPA): Enumerate value, rather
16092         than bits.
16093         * dumpfile.c (dump_files): Mark language dumps as TDF_LANG.  add
16094         lang-all.
16095         (get_dump_file_name): Adjust suffix generation.
16096         (dump_enable_all): Use TDF_KIND.
16097         * doc/invoke.texi (-fdump-lang-all): Document.
16098
16099         * dumpfile.h: Tabify.
16100
16101 2017-05-10  Wilco Dijkstra  <wdijkstr@arm.com>
16102
16103         PR target/80671
16104         * config/aarch64/cortex-a57-fma-steering.c (merge_forest):
16105         Move member access before delete.
16106
16107 2017-05-10  Alexandre Oliva <aoliva@redhat.com>
16108
16109         * tree-inline.c (expand_call_inline): Split block at stmt
16110         before the call.
16111
16112 2017-05-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
16113
16114         PR target/68163
16115         * config/rs6000/rs6000.md (f32_lr): Delete mode attributes that
16116         are now unused after splitting mov{sf,sd}_hardfloat.
16117         (f32_lr2): Likewise.
16118         (f32_lm): Likewise.
16119         (f32_lm2): Likewise.
16120         (f32_li): Likewise.
16121         (f32_li2): Likewise.
16122         (f32_lv): Likewise.
16123         (f32_sr): Likewise.
16124         (f32_sr2): Likewise.
16125         (f32_sm): Likewise.
16126         (f32_sm2): Likewise.
16127         (f32_si): Likewise.
16128         (f32_si2): Likewise.
16129         (f32_sv): Likewise.
16130         (f32_dm): Likewise.
16131         (f32_vsx): Likewise.
16132         (f32_av): Likewise.
16133         (mov<mode>_hardfloat): Split into separate movsf and movsd pieces.
16134         For movsf, order stores so the VSX stores occur before the GPR
16135         store which encourages the register allocator to use a traditional
16136         FPR instead of a GPR.  For movsd, order the stores so that the GPR
16137         store comes before the VSX stores to allow the power6 to work.
16138         This is due to the power6 not having a 32-bit integer store
16139         instruction from a FPR.
16140         (movsf_hardfloat): Likewise.
16141         (movsd_hardfloat): Likewise.
16142
16143 2017-05-09  Martin Sebor  <msebor@redhat.com>
16144
16145         PR translation/80280
16146         * config/sol2-c.c (cmn_err_flag_specs): Initialize new data member
16147         added in r247778.
16148
16149         PR translation/80280
16150         * config/i386/msformat-c.c (ms_printf_flag_specs): Initialize new
16151         data member added in r247778.
16152         (ms_scanf_flag_specs, ms_strftime_flag_specs): Same.
16153
16154 2017-05-09  Nathan Sidwell  <nathan@acm.org>
16155
16156         * tree.h (tree_fits_shwi_p, tree_fits_uhwi_p): Unconditionally pure.
16157
16158         * ipa-devirt.c (default_hash_traits<type_pair>): Skip struct-scope
16159         typedefs.
16160
16161 2017-05-09  Marek Polacek  <polacek@redhat.com>
16162
16163         * doc/invoke.texi: Fix typo.
16164
16165 2017-05-09  Richard Biener  <rguenther@suse.de>
16166
16167         * tree-vrp.c (vrp_val_is_max): Adjust comment.
16168         (vrp_val_is_min): Likewise.
16169         (set_value_range_to_value): Likewise.
16170         (set_value_range_to_nonnegative): Likewise.
16171         (gimple_assign_nonzero_p): Likewise.
16172         (gimple_stmt_nonzero_p): Likewise.
16173         (vrp_int_const_binop): Likewise.  Remove unreachable case.
16174         (adjust_range_with_scev): Adjust comments.
16175         (compare_range_with_value): Likewise.
16176         (extract_range_from_phi_node): Likewise.
16177         (test_for_singularity): Likewise.
16178
16179 2017-05-09  Richard Biener  <rguenther@suse.de>
16180
16181         * tree-vrp.c (get_single_symbol): Add assert that we don't
16182         get overflowed constants as invariant part.
16183         (compare_values_warnv): Add comment before the TREE_NO_WARNING
16184         checks.  Use wi::cmp instead of recursing for integer constants.
16185         (compare_values): Just ignore whether we assumed undefined
16186         overflow instead of failing the compare.
16187         (extract_range_for_var_from_comparison_expr): Add comment before the
16188         TREE_NO_WARNING sets.
16189         (test_for_singularity): Likewise.
16190         (extract_range_from_comparison): Do not disable optimization
16191         when we assumed undefined overflow.
16192         (extract_range_basic): Remove init of unused var.
16193
16194 2017-05-09  Richard Biener  <rguenther@suse.de>
16195
16196         * tree-vrp.c (vrp_int_const_binop): Use wide-ints and simplify.
16197         (extract_range_from_multiplicative_op_1): Adjust.
16198         (extract_range_from_binary_expr_1): Use int_const_binop.
16199
16200 2017-05-08  Kelvin Nilsen  <kelvin@gcc.gnu.org>
16201
16202         PR target/80101
16203         * config/rs6000/power6.md: Replace store_data_bypass_p calls with
16204         rs6000_store_data_bypass_p in seven define_bypass directives and
16205         in several comments.
16206         * config/rs6000/rs6000-protos.h: Add prototype for
16207         rs6000_store_data_bypass_p function.
16208         * config/rs6000/rs6000.c (rs6000_store_data_bypass_p): New
16209         function implements slightly different (rs6000-specific) semantics
16210         than store_data_bypass_p, returning false rather than aborting
16211         with assertion error when arguments do not satisfy the
16212         requirements of store data bypass.
16213         (rs6000_adjust_cost): Replace six calls of store_data_bypass_p with
16214         rs6000_store_data_bypass_p.
16215
16216 2017-05-08  Max Filippov  <jcmvbkbc@gmail.com>
16217
16218         * config/xtensa/xtensa-protos.h
16219         (xtensa_initial_elimination_offset): New declaration.
16220         * config/xtensa/xtensa.c (xtensa_initial_elimination_offset):
16221         New function. Move its body from the INITIAL_ELIMINATION_OFFSET
16222         macro definition, add case for FRAME_POINTER_REGNUM when
16223         FRAME_GROWS_DOWNWARD.
16224         * config/xtensa/xtensa.h (FRAME_GROWS_DOWNWARD): New macro definition.
16225         (INITIAL_ELIMINATION_OFFSET): Replace body with call to
16226         xtensa_initial_elimination_offset.
16227
16228 2017-05-08  Nathan Sidwell  <nathan@acm.org>
16229
16230         * doc/invoke.texi: Alphabetize -fdump options.
16231
16232 2017-05-08  Martin Sebor  <msebor@redhat.com>
16233
16234         PR translation/80280
16235         * config/sol2-c.c (solaris_pragma_align): Correct quoting.
16236
16237 2017-05-08  Bernd Edlinger  <bernd.edlinger@hotmail.de>
16238
16239         * target.def (compute_frame_layout): New optional target hook.
16240         * doc/tm.texi.in (TARGET_COMPUTE_FRAME_LAYOUT): Add hook.
16241         * doc/tm.texi (TARGET_COMPUTE_FRAME_LAYOUT): Add documentation.
16242         * lra-eliminations.c (update_reg_eliminate): Call compute_frame_layout
16243         target hook.
16244         * reload1.c (verify_initial_elim_offsets): Likewise.
16245         * config/arm/arm.c (TARGET_COMPUTE_FRAME_LAYOUT): Define.
16246         (use_simple_return_p): Call arm_compute_frame_layout if needed.
16247         (arm_get_frame_offsets): Split up into this ...
16248         (arm_compute_frame_layout): ... and this function.
16249
16250 2017-05-08  Richard Sandiford  <richard.sandiford@arm.com>
16251
16252         * config/aarch64/constraints.md (Usa): New constraint.
16253         * config/aarch64/aarch64.md (*movsi_aarch64, *movdi_aarch64): Use it.
16254
16255 2017-05-08  Thomas Preud'homme  <thomas.preudhomme@arm.com>
16256
16257         * config.gcc (arm*-*-*): Set TM_MULTILIB_CONFIG from
16258         with_multilib_list after it has been checked.
16259
16260 2017-05-08  Richard Biener  <rguenther@suse.de>
16261
16262         * tree-ssa-pre.c (bitmap_set_and): Avoid bitmap copy.
16263         (bitmap_set_subtract_values): Likewise.
16264
16265 2017-05-08  Richard Biener  <rguenther@suse.de>
16266
16267         * tree-vrp.c (gimple_assign_nonzero_warnv_p): Rename to ...
16268         (gimple_assign_nonzero): ... this and remove strict_overflow_p
16269         argument.
16270         (gimple_stmt_nonzero_warnv_p): Rename to ...
16271         (gimple_stmt_nonzero_p): ... this and remove strict_overflow_p
16272         argument.
16273         (vrp_stmt_computes_nonzero): Remove strict_overflow_p argument.
16274         (extract_range_basic): Adjust, do not disable propagation on
16275         strict overflow sensitive simplification.
16276         (vrp_visit_cond_stmt): Likewise.
16277
16278 2017-05-05  Jan Hubicka  <hubicka@ucw.cz>
16279
16280         * ipa-inline-analysis.c (estimate_function_body_sizes): Recompute
16281         body size unconditionally.
16282
16283 2017-05-07  Jeff Law  <law@redhat.com>
16284
16285         Revert:
16286         2017-05-06  Jeff Law  <law@redhat.com>
16287         PR tree-optimization/78496
16288         * tree-vrp.c (simplify_assert_expr_using_ranges): Remove debugging
16289         code.
16290
16291         PR tree-optimization/78496
16292         * tree-vrp.c (simplify_assert_expr_using_ranges): New function.
16293         (simplify_stmt_using_ranges): Call it.
16294         (vrp_dom_walker::before_dom_children): Extract equivalences
16295         from an ASSERT_EXPR with an equality comparison against a
16296         constant.
16297
16298 2017-05-06  Jeff Law  <law@redhat.com>
16299
16300         PR tree-optimization/78496
16301         * tree-vrp.c (simplify_assert_expr_using_ranges): Remove debugging
16302         code.
16303
16304         PR tree-optimization/78496
16305         * tree-vrp.c (simplify_assert_expr_using_ranges): New function.
16306         (simplify_stmt_using_ranges): Call it.
16307         (vrp_dom_walker::before_dom_children): Extract equivalences
16308         from an ASSERT_EXPR with an equality comparison against a
16309         constant.
16310
16311 2017-05-06  Richard Sandiford  <richard.sandiford@linaro.org>
16312
16313         * lra-constraints.c (lra_copy_reg_equiv): New function.
16314         (split_reg): Use it to copy equivalence information from the
16315         original register to the spill register.
16316
16317 2017-05-06  Richard Sandiford  <richard.sandiford@linaro.org>
16318
16319         PR rtl-optimization/75964
16320         * simplify-rtx.c (simplify_const_relational_operation): Remove
16321         invalid handling of comparisons of integer ABS.
16322
16323 2017-05-06  Uros Bizjak  <ubizjak@gmail.com>
16324
16325         * config/i386/i386.c (ext_80387_constant_init): Do not explicitly
16326         initialize to zero.
16327         (init_regs): Remove declaration.
16328         (function_arg_advance_32): Initialize error_p as boolean variable.
16329
16330 2017-05-05  Nathan Sidwell  <nathan@acm.org>
16331
16332         * store-motion.c (remove_reachable_equiv_notes): Reformat long
16333         lines.  Use for (;;).
16334
16335 2017-05-05  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
16336
16337         * config/rs6000/rs6000.c (rs6000_vect_nonmem): New static var.
16338         (rs6000_init_cost): Initialize rs6000_vect_nonmem.
16339         (rs6000_add_stmt_cost): Update rs6000_vect_nonmem.
16340         (rs6000_finish_cost): Avoid vectorizing simple copy loops with
16341         VF=2 that require versioning.
16342
16343 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
16344
16345         * diagnostic.h (CARET_LINE_MARGIN): Convert from macro to const
16346         int.
16347
16348 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
16349
16350         * diagnostic.h (diagnostic_override_option_index): Convert from
16351         macro to inline function.
16352
16353 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
16354
16355         * diagnostic.c (last_module_changed_p): New function.
16356         (set_last_module): New function.
16357         (diagnostic_report_current_module): Convert macro usage to
16358         the above functions.
16359         * diagnostic.h (diagnostic_context::last_module): Strengthen
16360         from const line_map * to const line_map_ordinary *.
16361         (diagnostic_last_module_changed): Delete macro.
16362         (diagnostic_set_last_module): Delete macro.
16363
16364 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
16365
16366         * diagnostic.c (diagnostic_impl): Replace report_diagnostic
16367         with diagnostic_report_diagnostic.
16368         (diagnostic_n_impl_richloc): Likewise.
16369         * diagnostic.h (report_diagnostic): Delete macro.
16370         * rtl-error.c (diagnostic_for_asm): Replace report_diagnostic
16371         with diagnostic_report_diagnostic.
16372         * substring-locations.c (format_warning_va): Likewise.
16373
16374 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
16375
16376         * diagnostic.c (diagnostic_report_diagnostic): Eliminate
16377         save/restor of format_spec.  Move option-printing code to...
16378         (print_option_information): ...this new function, and
16379         reimplement by simply printing to the pretty_printer,
16380         rather than appending to the format string.
16381
16382 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
16383
16384         * diagnostic.c (diagnostic_report_diagnostic): Split out pragma
16385         handling logic into...
16386         (update_effective_level_from_pragmas): ...this new function.
16387
16388 2017-05-04  Andrew Waterman  <andrew@sifive.com>
16389
16390         * config/riscv/riscv.opt (mstrict-align): New option.
16391         * config/riscv/riscv.h (STRICT_ALIGNMENT): Use it.  Update comment.
16392         (SLOW_UNALIGNED_ACCESS): Define.
16393         (riscv_slow_unaligned_access): Declare.
16394         * config/riscv/riscv.c (riscv_tune_info): Add slow_unaligned_access
16395         field.
16396         (riscv_slow_unaligned_access): New variable.
16397         (rocket_tune_info): Set slow_unaligned_access to true.
16398         (optimize_size_tune_info): Set slow_unaligned_access to false.
16399         (riscv_cpu_info_table): Add entry for optimize_size_tune_info.
16400         (riscv_valid_lo_sum_p): Use TARGET_STRICT_ALIGN.
16401         (riscv_option_override): Set riscv_slow_unaligned_access.
16402         * doc/invoke.texi: Add -mstrict-align to RISC-V.
16403
16404 2017-05-04  Kito Cheng  <kito.cheng@gmail.com>
16405
16406         * config/riscv/riscv.md: Unify indentation.
16407
16408 2017-05-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
16409
16410         PR target/79038
16411         PR target/79202
16412         PR target/79203
16413         * config/rs6000/rs6000.md (u code attribute): Add FIX and
16414         UNSIGNED_FIX.
16415         (extendsi<mode>2): Add support for doing sign extension via
16416         VUPKHSW and XXPERMDI if the value is in Altivec registers and we
16417         don't have ISA 3.0 instructions.
16418         (extendsi<mode>2 splitter): Likewise.
16419         (fix_trunc<mode>si2): If we are at ISA 2.07 (VSX small integer),
16420         generate the normal insns since SImode can now go in vector
16421         registers.  Disallow the special UNSPECs needed for previous
16422         machines to hide SImode being used.  Add new insns
16423         fctiw{,w}_<mode>_smallint if SImode can go in vector registers.
16424         (fix_trunc<mode>si2_stfiwx): Likewise.
16425         (fix_trunc<mode>si2_internal): Likewise.
16426         (fixuns_trunc<mode>si2): Likewise.
16427         (fixuns_trunc<mode>si2_stfiwx): Likewise.
16428         (fctiw<u>z_<mode>_smallint): Likewise.
16429         (fctiw<u>z_<mode>_mem): New combiner pattern to prevent conversion
16430         of floating point to 32-bit integer from doing a direct move to
16431         the GPR registers to do a store.
16432         (fctiwz_<mode>): Break long line.
16433
16434 2017-05-05  Bin Cheng  <bin.cheng@arm.com>
16435
16436         * Makefile.in (GTFILES): Add tree-ssa-loop-ivopts.c.
16437         * tree-ssa-loop-ivopts.c (compute_max_addr_offset): Delete.
16438         (addr_list, addr_offset_valid_p): New.
16439         (split_address_groups): Check offset validity with above function.
16440         (gt-tree-ssa-loop-ivopts.h): Include header file.
16441
16442 2017-05-05  Nathan Sidwell  <nathan@acm.org>
16443
16444         * config.gcc (arm*-*-*): Add missing 'fi'.
16445
16446 2017-05-05  Steve Ellcey  <sellcey@cavium.com>
16447
16448         * doc/invoke.texi (-fopt-info): Explicitly say order of options
16449         included in -fopt-info does not matter.
16450         * doc/optinfo.texi (-fopt-info): Fix description of default
16451         behavour. Explicitly say order of options included in -fopt-info
16452         does not matter.
16453
16454 2017-05-05  Thomas Preud'homme  <thomas.preudhomme@arm.com>
16455
16456         * config.gcc: Allow combinations of aprofile and rmprofile values for
16457         --with-multilib-list.
16458         * config/arm/t-multilib: New file.
16459         * config/arm/t-aprofile: Remove initialization of MULTILIB_*
16460         variables.  Remove setting of ISA and floating-point ABI in
16461         MULTILIB_OPTIONS and MULTILIB_DIRNAMES.  Set architecture and FPU in
16462         MULTI_ARCH_OPTS_A and MULTI_ARCH_DIRS_A rather than MULTILIB_OPTIONS
16463         and MULTILIB_DIRNAMES respectively.  Add comment to introduce all
16464         matches.  Add architecture matches for marvel-pj4 and generic-armv7-a
16465         CPU options.
16466         * config/arm/t-rmprofile: Likewise except for the matches changes.
16467         * doc/install.texi (--with-multilib-list): Document the combination of
16468         aprofile and rmprofile values and warn about pitfalls in doing that.
16469
16470 2017-05-05  Wilco Dijkstra  <wdijkstr@arm.com>
16471
16472         * config/aarch64/aarch64.md (movsi_aarch64): Remove '*' from r=w.
16473         (movdi_aarch64): Likewise.
16474
16475 2017-05-05  Jakub Jelinek  <jakub@redhat.com>
16476
16477         PR tree-optimization/80632
16478         * tree-switch-conversion.c (struct switch_conv_info): Add target_vop
16479         field.
16480         (build_arrays): Initialize it for virtual phis.
16481         (fix_phi_nodes): Use it for virtual phis.
16482
16483         PR tree-optimization/80558
16484         * tree-vrp.c (extract_range_from_binary_expr_1): Optimize
16485         [x, y] op z into [x op, y op z] for op & or | if conditions
16486         are met.
16487
16488 2017-05-05  Andre Vieira  <andre.simoesdiasvieira@arm.com>
16489             Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
16490
16491         PR target/71607
16492         * config/arm/arm.md (use_literal_pool): Remove.
16493         (64-bit immediate split): No longer takes cost into consideration
16494         if arm_disable_literal_pool is enabled.
16495         * config/arm/arm.c (arm_tls_referenced_p): Add diagnostic if TLS is
16496         used when arm_disable_literal_pool is enabled.
16497         (arm_max_const_double_inline_cost): Remove use of
16498         arm_disable_literal_pool.
16499         (push_minipool_fix): Add assert.
16500         (arm_reorg): Add return if arm_disable_literal_pool is enabled.
16501         * config/arm/vfp.md (no_literal_pool_df_immediate): New.
16502         (no_literal_pool_sf_immediate): New.
16503
16504 2017-05-05  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
16505
16506         PR tree-optimization/80613
16507         * tree-ssa-dce.c (propagate_necessity): Remove cases for
16508         BUILT_IN_STRDUP and BUILT_IN_STRNDUP.
16509
16510 2017-05-05  Richard Biener  <rguenther@suse.de>
16511
16512         * tree-ssa-pre.c (get_or_alloc_expr_for): Simplify.
16513
16514 2017-05-05  Georg-Johann Lay  <avr@gjlay.de>
16515
16516         * config/avr/avr.md [flag_strict_overflow]: Remove any occurence
16517         of this flag from insn conditions due to removal from r247495.
16518
16519 2017-05-05  Wilco Dijkstra  <wdijkstr@arm.com>
16520
16521         * config/arm/aarch-common.c (arm_early_load_addr_dep_ptr):
16522         New function.
16523         (arm_early_store_addr_dep_ptr): Likewise.
16524         * config/arm/aarch-common-protos.h
16525         (arm_early_load_addr_dep_ptr): Add prototype.
16526         (arm_early_store_addr_dep_ptr): Likewise.
16527         * config/arm/cortex-a53.md: Add new bypasses.
16528
16529 2017-05-05  Jakub Jelinek  <jakub@redhat.com>
16530
16531         * tree.c (next_type_uid): Change type to unsigned.
16532         (type_hash_canon): Decrement back next_type_uid if
16533         freeing a type node with the highest TYPE_UID.  For INTEGER_TYPEs
16534         also ggc_free TYPE_MIN_VALUE, TYPE_MAX_VALUE and TYPE_CACHED_VALUES
16535         if possible.
16536
16537 2017-05-04  Martin Sebor  <msebor@redhat.com>
16538
16539         * builtins.c: Fix a trivial typo in a comment.
16540
16541         PR middle-end/79234
16542         * builtins.c (check_sizes): Adjust to handle reading past the end.
16543         Avoid printing excessive upper bound of ranges.  Use %E to print
16544         tree nodes instead of converting them to %wu.
16545         (expand_builtin_memchr): New function.
16546         (compute_dest_size): Rename...
16547         (compute_objsize): ...to this.
16548         (expand_builtin_memcpy): Adjust.
16549         (expand_builtin_mempcpy): Adjust.
16550         (expand_builtin_strcat): Adjust.
16551         (expand_builtin_strcpy): Adjust.
16552         (check_strncat_sizes): Adjust.
16553         (expand_builtin_strncat): Adjust.
16554         (expand_builtin_strncpy): Adjust and simplify.
16555         (expand_builtin_memset): Adjust.
16556         (expand_builtin_bzero): Adjust.
16557         (expand_builtin_memcmp): Adjust.
16558         (expand_builtin): Handle memcmp.
16559         (maybe_emit_chk_warning): Check strncat just once.
16560
16561 2017-05-04  Martin Sebor  <msebor@redhat.com>
16562
16563         PR preprocessor/79214
16564         PR middle-end/79222
16565         PR middle-end/79223
16566         * builtins.c (check_sizes): Add inlining context and issue
16567         warnings even when -Wno-system-headers is set.
16568         (check_strncat_sizes): Same.
16569         (expand_builtin_strncat): Same.
16570         (expand_builtin_memmove): New function.
16571         (expand_builtin_stpncpy): Same.
16572         (expand_builtin): Handle memmove and stpncpy.
16573
16574 2017-05-04  Bin Cheng  <bin.cheng@arm.com>
16575
16576         * tree-ssa-loop-ivopts.c (struct cost_pair): Remove field inv_expr
16577         which is not used any more.
16578
16579 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
16580
16581         * config/aarch64/aarch64.c (generic_tunings): Update prefetch model.
16582
16583 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
16584
16585         * config/aarch64/aarch64.c (cortexa35_tunings): Set jump alignment to 4.
16586         (cortexa53_tunings): Likewise.
16587         (cortexa57_tunings): Likewise.
16588         (cortexa72_tunings): Likewise.
16589         (cortexa73_tunings): Likewise.
16590
16591 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
16592
16593         * config/aarch64/aarch64.c (generic_tunings): Set jump alignment to 4.
16594         Set loop alignment to 8.
16595
16596 2017-05-04  Martin Sebor  <msebor@redhat.com>
16597
16598         PR translation/80280
16599         * builtins.c (expand_builtin_object_size): Add missing quoting to
16600         %D and like directives.
16601         * hsa-gen.c (hsa_type_for_scalar_tree_type): Same.
16602         (hsa_type_for_tree_type): Same.
16603         (verify_function_arguments): Same.
16604         * symtab.c (symbol_table::change_decl_assembler_name): Same.
16605         * varasm.c (get_section): Same.
16606         (mark_weak): Same.
16607
16608 2017-05-04  Martin Sebor  <msebor@redhat.com>
16609
16610         PR translation/80280
16611         * config/i386/i386.c (ix86_function_versions): Quote a %D directive.
16612
16613 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
16614
16615         * config/aarch64/aarch64.c (generic_addrcost_table):
16616         Change HI/TI mode setting.
16617
16618 2017-05-04  Martin Jambor  <mjambor@suse.cz>
16619
16620         PR tree-optimization/80622
16621         * tree-sra.c (comes_initialized_p): New function.
16622         (build_accesses_from_assign): Only set write lazily when
16623         comes_initialized_p is false.
16624         (analyze_access_subtree): Use comes_initialized_p.
16625         (propagate_subaccesses_across_link): Assert !comes_initialized_p
16626         instead of testing for PARM_DECL.
16627
16628 2017-05-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
16629
16630         * config/aarch64/aarch64.md (prefetch); Adjust predicate and
16631         constraint on operand 0 to allow more general addressing modes.
16632         Adjust output template.
16633         * config/aarch64/aarch64.c (aarch64_address_valid_for_prefetch_p):
16634         New function.
16635         * config/aarch64/aarch64-protos.h
16636         (aarch64_address_valid_for_prefetch_p): Declare prototype.
16637         * config/aarch64/constraints.md (Dp): New address constraint.
16638         * config/aarch64/predicates.md (aarch64_prefetch_operand): New
16639         predicate.
16640
16641 2017-05-04  Jan Hubicka  <hubicka@ucw.cz>
16642
16643         * ipa-cp.c (perform_estimation_of_a_value): Drop base_time parameter;
16644         update use of estimate_ipcp_clone_size_and_time.
16645         (estimate_local_effects): Update use of
16646         estimate_ipcp_clone_size_and_time and perform_estimation_of_a_value.
16647         * ipa-inline.h (estimate_ipcp_clone_size_and_time): Update prototype.
16648         * ipa-inline-analysis.c (estimate_ipcp_clone_size_and_time):
16649         Return nonspecialized time.
16650
16651 2017-05-04  Richard Biener  <rguenther@suse.de>
16652
16653         * tree-ssa-alias.c (get_continuation_for_phi): Improve looking
16654         for the last VUSE which def dominates the PHI.  Directly call
16655         maybe_skip_until.
16656         (get_continuation_for_phi_1): Remove.
16657
16658 2017-05-04  Richard Sandiford  <richard.sandiford@linaro.org>
16659
16660         * tree-ssa-loop-manip.c (niter_for_unrolled_loop): Add commentary
16661         to explain the use of truncating division.  Cap the number of
16662         iterations to the maximum given by nb_iterations_upper_bound,
16663         if defined.
16664
16665 2017-05-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
16666
16667         * configure.ac (--enable-mingw-wildcard): Add new configurable feature.
16668         * configure: Regenerate.
16669         * config.in: Regenerate.
16670         * config/i386/driver-mingw32.c: new file.
16671         * config/i386/x-mingw32: Add rule to build driver-mingw32.o.
16672         * config.host: Link driver-mingw32.o on MinGW host.
16673         * doc/install.texi: Document new --enable-mingw-wildcard configure
16674         option.
16675
16676 2017-05-04  Marek Polacek  <polacek@redhat.com>
16677
16678         PR tree-optimization/80612
16679         * calls.c (get_size_range): Check for INTEGRAL_TYPE_P.
16680
16681 2017-05-04  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
16682             Andre Simoes Dias Vieira  <andre.simoesdiasvieira@arm.com>
16683
16684         * config/arm/arm.md (movsi): Change TARGET_32BIT to TARGET_HAVE_MOVT.
16685         (movt splitter): Likewise.
16686         * config/arm/arm.c (arm_option_check_internal): Change arm_arch_thumb2
16687         to TARGET_HAVE_MOVT, and merge with -mslow-flash-data check.
16688         (const_ok_for_arm): Change else to else if (TARGET_THUMB2) and add else
16689         block for Thumb-1 with MOVT.
16690         (thumb2_legitimate_address_p): Move code block ...
16691         (can_avoid_literal_pool_for_label_p): ... into this new function.
16692         (thumb1_legitimate_address_p): Add check for TARGET_HAVE_MOVT and
16693         literal pool.
16694         (thumb_legitimate_constant_p): Add conditional on TARGET_HAVE_MOVT
16695         * doc/invoke.texi (-mpure-code): Change "ARMv7-M targets" for
16696         "M-profile targets with the MOVT instruction".
16697
16698 2017-05-04  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
16699
16700         * config/arm/arm-builtins.c (arm_init_builtins): Rename
16701         __builtin_arm_ldfscr to __builtin_arm_get_fpscr, and rename
16702         __builtin_arm_stfscr to __builtin_arm_set_fpscr.
16703
16704 2017-05-04  Martin Liska  <mliska@suse.cz>
16705
16706         * tree-vrp.c (simplify_cond_using_ranges_2): Remove unused
16707         variable cond_code.
16708
16709 2017-05-04  Richard Biener  <rguenther@suse.de>
16710
16711         * tree.c (array_at_struct_end_p): Handle arrays at struct
16712         end with flexarrays more conservatively.  Refactor and treat
16713         arrays of arrays or aggregates more strict.  Fix
16714         VIEW_CONVERT_EXPR handling.  Remove allow_compref argument.
16715         * tree.c (array_at_struct_end_p): Adjust prototype.
16716         * emit-rtl.c (set_mem_attributes_minus_bitpos): Adjust.
16717         * gimple-fold.c (get_range_strlen): Likewise.
16718         * tree-chkp.c (chkp_may_narrow_to_field): Likewise.
16719
16720 2017-05-04  Richard Biener  <rguenther@suse.de>
16721
16722         PR tree-optimization/31130
16723         * tree-vrp.c (needs_overflow_infinity): Remove as always returning
16724         false.
16725         (supports_overflow_infinity): Likewise.
16726         (is_negative_overflow_infinity): Likewise.
16727         (is_positive_overflow_infinity): Likewise.
16728         (is_overflow_infinity): Likewise.
16729         (stmt_overflow_infinity): Likewise.
16730         (overflow_infinity_range_p): Likewise.
16731         (usable_range_p): Remove as always returning true.
16732         (make_overflow_infinity): Remove.
16733         (negative_overflow_infinity): Likewise.
16734         (positive_overflow_infinity): Likewise.
16735         (avoid_overflow_infinity): Likewise.
16736         (set_value_range): Adjust accordingly.
16737         (set_value_range_to_nonnegative): Likewise, remove now unused
16738         overflow_infinity arg.
16739         (vrp_operand_equal_p): Adjust.
16740         (update_value_range): Likewise.
16741         (range_int_cst_singleton_p): Likewise.
16742         (operand_less_p): Likewise.
16743         (compare_values_warnv): Likewise.
16744         (extract_range_for_var_from_comparison_expr): Likewise.
16745         (vrp_int_const_binop): Likewise.
16746         (zero_nonzero_bits_from_vr): Likewise.
16747         (extract_range_from_multiplicative_op_1): Likewise.
16748         (extract_range_from_binary_expr_1): Likewise.
16749         (extract_range_from_unary_expr): Likewise.
16750         (extract_range_from_comparison): Likewise.
16751         (extract_range_basic): Likewise.
16752         (adjust_range_with_scev): Likewise.
16753         (compare_ranges): Likewise.
16754         (compare_range_with_value): Likewise.
16755         (dump_value_range): Likewise.
16756         (test_for_singularity): Likewise, remove strict_overflow_p parameter
16757         never used.
16758         (simplify_cond_using_ranges): Adjust.
16759
16760 2017-05-04  Pekka Jääskeläinen  <pekka.jaaskelainen@parmance.com>
16761
16762         * brig-builtins.def: Added a builtin for class_f64.
16763         * builtin-types.def: Added a builtin type needed by class_f64.
16764
16765 2017-05-03  Jason Merrill  <jason@redhat.com>
16766
16767         * timevar.def: Add TV_CONSTEXPR.
16768
16769 2017-05-03  David Malcolm  <dmalcolm@redhat.com>
16770
16771         * common.opt (fdiagnostics-parseable-fixits): Fix typo.
16772
16773 2017-05-03  Martin Jambor  <mjambor@suse.cz>
16774
16775         * ipa-prop.c (ipa_update_after_lto_read): Removed.
16776         * ipa-prop.h (ipa_update_after_lto_read): Remove declaration.
16777         * ipa-cp.c (ipcp_propagate_stage): Do not call
16778         ipa_update_after_lto_read.
16779         * ipa-inline.c (ipa_inline): Likewise.
16780
16781 2017-05-03  Martin Jambor  <mjambor@suse.cz>
16782
16783         * ipa-prop.h (ipa_edge_args): Make a class.  Mark with for_user GTY
16784         tag.  Added a default constructor and a destructor.
16785         (ipa_edge_args_sum_t): New class;
16786         (ipa_edge_args_sum): Declare.
16787         (ipa_edge_args_vector): Remove declaration.
16788         (IPA_EDGE_REF): Use ipa_edge_args_sum.
16789         (ipa_free_edge_args_substructures): Remove declaration.
16790         (ipa_check_create_edge_args): Use ipa_edge_args_sum.
16791         (ipa_edge_args_info_available_for_edge_p): Likewise.
16792         * ipa-prop.c (ipa_edge_args_vector): Removed.
16793         (edge_removal_hook_holder): Likewise.
16794         (edge_duplication_hook_holder): Likewise.
16795         (ipa_edge_args_sum): New variable.
16796         (ipa_propagate_indirect_call_infos): Test ipa_edge_args_sum instead of
16797         ipa_edge_args_vector.
16798         (ipa_free_edge_args_substructures): Likewise.
16799         (ipa_free_all_edge_args): Free ipa_edge_args_sum instead of
16800         ipa_edge_args_vector.
16801         (ipa_edge_removal_hook): Turned into method
16802         ipa_edge_args_sum_t::remove.
16803         (ipa_edge_duplication_hook): Turned into method
16804         ipa_edge_args_sum_t::duplicate.
16805         (ipa_register_cgraph_hooks): Create ipa_edge_args_sum instead of
16806         registering edge hooks.
16807         (ipa_unregister_cgraph_hooks): Do not unregister edge hooks.
16808         * ipa-inline-analysis.c (estimate_function_body_sizes): Test
16809         ipa_edge_args_sum instead of ipa_edge_args_vector.
16810         * ipa-profile.c (ipa_profile): Likewise.
16811
16812 2017-05-03  Martin Jambor  <mjambor@suse.cz>
16813
16814         * symbol-summary.h (function_summary): New method exists.
16815         (function_summary::symtab_removal): Deallocate through release.
16816         (call_summary): New class.
16817         (gt_ggc_mx): New overload.
16818         (gt_pch_nx): Likewise.
16819         (gt_pch_nx): Likewise.
16820
16821 2017-05-03  Jeff Law  <law@redhat.com>
16822
16823         PR tree-optimization/78496
16824         * tree-vrp.c (simplify_cond_using_ranges_1): Renamed
16825         from simplify_cond_using_ranges.  Split off code to walk
16826         backwards through casts into ...
16827         (simplify_cond_using_ranges_2): New function.
16828         (simplify_stmt_using_ranges): Call simplify_cond_using_ranges_1.
16829         (execute_vrp): After identifying jump threads, call
16830         simplify_cond_using_ranges_2.
16831
16832 2017-05-03  Jan Hubicka  <hubicka@ucw.cz>
16833
16834         PR bootstrap/80609
16835         * ipa-inline.h (inline_summary): Add ctor.
16836         (create_ggc): Do not use ggc_cleared_alloc.
16837
16838 2017-05-03  Jeff Downs  <heydowns@somuchpressure.net>
16839             Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
16840
16841         * gcc.c (handle_braces): Support escaping in switch matching
16842         text.
16843         * doc/invoke.texi (Spec Files): Document it.
16844         Remove superfluous @code markup in items.
16845
16846 2017-05-03  David Malcolm  <dmalcolm@redhat.com>
16847
16848         * diagnostic-show-locus.c (struct column_range): New struct.
16849         (get_affected_columns): New function.
16850         (get_printed_columns): New function.
16851         (struct correction): New struct.
16852         (correction::ensure_capacity): New function.
16853         (correction::ensure_terminated): New function.
16854         (struct line_corrections): New struct.
16855         (line_corrections::~line_corrections): New dtor.
16856         (line_corrections::add_hint): New function.
16857         (layout::print_trailing_fixits): Reimplement in terms of the new
16858         classes.
16859         (selftest::test_overlapped_fixit_printing): New function.
16860         (selftest::diagnostic_show_locus_c_tests): Call it.
16861
16862 2017-05-03  Nathan Sidwell  <nathan@acm.org>
16863
16864         Canonicalize canonical type hashing
16865         * tree.h (type_hash_canon_hash): Declare.
16866         * tree.c (type_hash_list, attribute_hash_list): Move into
16867         type_hash_canon_hash.
16868         (build_type_attribute_qual_variant): Break out hash code calc into
16869         type_hash_canon_hash.
16870         (type_hash_canon_hash): New.  Generic type hash computation.
16871         (build_range_type_1, build_array_type_1, build_function_type,
16872         build_method_type_directly, build_offset_type, build_complex_type,
16873         make_vector_type): Call it.
16874
16875 2017-05-03  Richard Biener  <rguenther@suse.de>
16876
16877         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
16878         When all DRs have unknown misaligned do not always peel
16879         when there is a store but apply the same costing model as if
16880         there were only loads.
16881
16882 2017-05-03  Richard Biener  <rguenther@suse.de>
16883
16884         Revert
16885         PR tree-optimization/80492
16886         * tree-ssa-alias.c (decl_refs_may_alias_p): Handle
16887         compare_base_decls returning dont-know properly.
16888
16889 2017-05-03  Thomas Preud'homme  <thomas.preudhomme@arm.com>
16890
16891         * config/arm/iterators.md (CCSI): New mode iterator.
16892         (arch): New mode attribute.
16893         * config/arm/sync.md (atomic_compare_and_swap<mode>_1): Rename into ...
16894         (atomic_compare_and_swap<CCSI:arch><NARROW:mode>_1): This and ...
16895         (atomic_compare_and_swap<CCSI:arch><SIDI:mode>_1): This.  Use CCSI
16896         code iterator for success result mode.
16897         * config/arm/arm.c (arm_expand_compare_and_swap): Adapt code to use
16898         the corresponding new insn generators.
16899
16900 2017-05-03  Bin Cheng  <bin.cheng@arm.com>
16901
16902         Revert r247509
16903         2017-05-02  Bin Cheng  <bin.cheng@arm.com>
16904         * rtlanal.c (rtx_cost): Handle TRUNCATE between tieable modes.
16905
16906 2017-05-03  Richard Sandiford  <richard.sandiford@linaro.org>
16907
16908         * tree-data-ref.h (SUB_CONFLICTS_IN_A): Wrap SUB argument in brackets.
16909         (SUB_CONFLICTS_IN_B, SUB_LAST_CONFLICT, SUB_DISTANCE): Likewise.
16910         (DDR_A): Wrap DDR argument in brackets.
16911         (DDR_B, DDR_AFFINE_P, DDR_ARE_DEPENDENT, DDR_SUBSCRIPTS): Likewise.
16912         (DDR_LOOP_NEST, DDR_INNER_LOOP, DDR_SELF_REFERENCE): Likewise.
16913         (DDR_REVERSED_P): Likewise.
16914
16915 2017-05-03  Jakub Jelinek  <jakub@redhat.com>
16916
16917         PR tree-optimization/79472
16918         * tree-switch-conversion.c (struct switch_conv_info): Add
16919         contiguous_range and default_case_nonstandard fields.
16920         (collect_switch_conv_info): Compute contiguous_range and
16921         default_case_nonstandard fields, don't clear final_bb if
16922         contiguous_range and only the default case doesn't have the required
16923         structure.
16924         (check_all_empty_except_final): Set default_case_nonstandard instead
16925         of failing if contiguous_range and the default case doesn't have empty
16926         block.
16927         (check_final_bb): Add SWTCH argument, don't fail if contiguous_range
16928         and only the default case doesn't have the required constants.  Skip
16929         virtual phis.
16930         (gather_default_values): Skip virtual phis.  Allow non-NULL CASE_LOW
16931         if default_case_nonstandard.
16932         (build_constructors): Build constant 1 just once.  Assert that default
16933         values aren't inserted in between cases if contiguous_range.  Skip
16934         virtual phis.
16935         (build_arrays): Skip virtual phis.
16936         (prune_bbs): Add DEFAULT_BB argument, don't remove that bb.
16937         (fix_phi_nodes): Don't add e2f phi arg if default_case_nonstandard.
16938         Handle virtual phis.
16939         (gen_inbound_check): Handle default_case_nonstandard case.
16940         (process_switch): Adjust check_final_bb caller.  Call
16941         gather_default_values with the first non-default case instead of
16942         default case if default_case_nonstandard.
16943
16944 2017-05-02  Nathan Sidwell  <nathan@acm.org>
16945
16946         * ggc-page.c (move_ptes_to_front): Replace unsigned >0 with i--
16947         check.  Fix formatting.
16948
16949 2017-05-02  Jan Hubicka  <hubicka@ucw.cz>
16950
16951         * ipa-inline-analysis.c (estimate_node_size_and_time): Allow roundoff
16952         errors when comparing specialized and unspecialized times.
16953
16954 2017-05-02  David Malcolm  <dmalcolm@redhat.com>
16955
16956         * diagnostic-show-locus.c
16957         (layout::should_print_annotation_line_p): Make private.
16958         (layout::print_annotation_line): Make private.
16959         (layout::annotation_line_showed_range_p): Make private.
16960         (layout::show_ruler): Make private.
16961         (layout::print_source_line): Make private.  Pass in line and
16962         line_width, rather than calling location_get_source_line.  Drop
16963         returned value.
16964         (layout::print_leading_fixits): New method.
16965         (layout::print_any_fixits): Rename to...
16966         (layout::print_trailing_fixits): ...this, and make private.
16967         Don't print newline fixits.
16968         (diagnostic_show_locus): Move logic for printing one row into...
16969         (layout::print_line): ...this new function.  Move the
16970         location_get_source_line call and error-handling from
16971         print_source_line to here.  Call print_leading_fixits, and rename
16972         print_any_fixits to print_trailing_fixits.
16973         (selftest::test_fixit_insert_containing_newline): Update now that
16974         newlines are partially supported.
16975         (selftest::test_fixit_insert_containing_newline_2): New test.
16976         (selftest::test_fixit_replace_containing_newline): Update comments.
16977         (selftest::diagnostic_show_locus_c_tests): Call the new test.
16978         * edit-context.c (class added_line): New class.
16979         (class edited_line): Describe newline handling in comment.
16980         (edited_line::actually_edited_p): New method.
16981         (edited_line::print_content): Delete redundant decl.
16982         (edited_line::m_predecessors): New field.
16983         (edited_file::print_content): Call edited_line::print_content.
16984         (edited_file::print_diff): Update to support newlines.
16985         (edited_file::print_diff_hunk): Likewise.
16986         (edited_file::print_run_of_changed_lines): New function.
16987         (edited_file::print_diff_line): Convert to...
16988         (print_diff_line): ...this.
16989         (edited_file::get_effective_line_count): New function.
16990         (edited_line::edited_line): Initialize new field m_predecessors.
16991         (edited_line::~edited_line): Clean up m_predecessors.
16992         (edited_line::apply_fixit): Handle newlines.
16993         (edited_line::get_effective_line_count): New function.
16994         (edited_line::print_content): New function.
16995         (edited_line::print_diff_lines): New function.
16996         (selftest::test_applying_fixits_insert_containing_newline): New
16997         test.
16998         (selftest::test_applying_fixits_replace_containing_newline): New
16999         test.
17000         (selftest::insert_line): New function.
17001         (selftest::test_applying_fixits_multiple_lines): Add example of
17002         inserting a line.
17003         (selftest::edit_context_c_tests): Call the new tests.
17004
17005 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
17006
17007         * tree-ssa-loop-ivopts.c (get_scaled_computation_cost_at): Delete
17008         parameter cand.  Update dump information.
17009         (get_computation_cost): Update uses.
17010
17011 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
17012
17013         * tree-ssa-loop-ivopts.c (get_computation_aff_1): New.
17014         (get_computation_aff): Reorder parameters.  Use get_computation_aff_1.
17015         (get_computation_at, rewrite_use_address): Update use of
17016         get_computation_aff.
17017
17018 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
17019
17020         * tree-ssa-loop-ivopts.c (get_computation_at): Reorder parameters.
17021         (get_computation): Delete.
17022         (get_computation_cost): Implement like get_computation_cost_at.
17023         Use get_computation_at.
17024         (get_computation_cost_at): Delete.
17025         (rewrite_use_nonlinear_expr): Use get_computation_at.
17026         (rewrite_use_compare, remove_unused_ivs): Ditto.
17027
17028 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
17029
17030         * tree-ssa-loop-ivopts.c (rewrite_use_address): Simple refactor.
17031
17032 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
17033
17034         * tree-ssa-loop-ivopts.c (struct iv_ca): Rename n_regs to n_invs.
17035         (ivopts_global_cost_for_size): Rename parameter and update uses.
17036         (iv_ca_recount_cost): Update uses.
17037         (iv_ca_set_remove_invs, iv_ca_set_no_cp): Record invariants and
17038         candidates seperately in n_invs and n_cands.
17039         (iv_ca_set_add_invs, iv_ca_set_cp, iv_ca_new): Ditto.
17040
17041 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
17042
17043         * tree-ssa-loop-ivopts.c (struct walk_tree_data): New.
17044         (find_inv_vars_cb): New.
17045         (find_depends): Renamed to ...
17046         (find_inv_vars): ... this.
17047         (add_candidate_1, force_var_cost): Call find_inv_vars.
17048         (split_address_cost, determine_group_iv_cost_cond): Ditto.
17049
17050 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
17051
17052         * tree-ssa-loop-ivopts.c (struct cost_pair): Rename depends_on to
17053         inv_vars.  Add inv_exprs.
17054         (struct iv_cand): Rename depends_on to inv_vars.
17055         (struct ivopts_data): Rename max_inv_id/n_invariant_uses to
17056         max_inv_var_id/n_inv_var_uses.  Move max_inv_expr_id around.
17057         Refactor field used_inv_exprs from has_map to array n_inv_expr_uses.
17058         (dump_cand): Dump inv_vars.
17059         (tree_ssa_iv_optimize_init): Support inv_vars and inv_exprs.
17060         (record_invariant, find_depends, add_candidate_1): Ditto.
17061         (set_group_iv_cost, force_var_cost): Ditto.
17062         (split_address_cost, ptr_difference_cost, difference_cost): Ditto.
17063         (get_computation_cost_at, get_computation_cost): Ditto.
17064         (determine_group_iv_cost_generic): Ditto.
17065         (determine_group_iv_cost_address): Ditto.
17066         (determine_group_iv_cost_cond, autoinc_possible_for_pair): Ditto.
17067         (determine_group_iv_costs): Ditto.
17068         (iv_ca_recount_cost): Update call to ivopts_global_cost_for_size.
17069         (iv_ca_set_remove_invariants): Renamed to ...
17070         (iv_ca_set_remove_invs): ... this.  Support inv_vars and inv_exprs.
17071         (iv_ca_set_no_cp): Use iv_ca_set_remove_invs.
17072         (iv_ca_set_add_invariants):  Renamed to ...
17073         (iv_ca_set_add_invs): ... this.  Support inv_vars and inv_exprs.
17074         (iv_ca_set_cp): Use iv_ca_set_add_invs.
17075         (iv_ca_has_deps): Support inv_vars and inv_exprs.
17076         (iv_ca_new, iv_ca_free, iv_ca_dump, free_loop_data): Ditto.
17077         (create_new_ivs): Remove useless dump.
17078
17079 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
17080
17081         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Remove pseudo
17082         iv_cand code.
17083         (determine_group_iv_cost_cond, determine_iv_cost): Ditto.
17084         (iv_ca_set_no_cp, create_new_iv): Ditto.
17085
17086 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
17087
17088         * rtlanal.c (rtx_cost): Handle TRUNCATE between tieable modes.
17089
17090 2017-05-02  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>
17091
17092         * tree.h (EXPR_CILK_SPAWN): Use macro TREE_CHECK2 instead of
17093         function tree_check2.
17094
17095 2017-05-02  Martin Liska  <mliska@suse.cz>
17096
17097         * doc/gcov.texi: Add missing preposition.
17098         * gcov.c (function_info::function_info): Properly fill up
17099         all member variables.
17100
17101 2017-05-02  Tamar Christina  <tamar.christina@arm.com>
17102
17103         * expr.c (expand_expr_real_2): Re-cost if previous costs are the same.
17104
17105 2017-05-02  Tamar Christina  <tamar.christina@arm.com>
17106
17107         * simplify-rtx.c (simplify_binary_operation_1): Add LSHIFTRT case.
17108
17109 2017-05-02  Martin Liska  <mliska@suse.cz>
17110
17111         PR lto/77954.
17112         * lto-streamer-in.c (lto_read_tree_1): Remove
17113         LTO_STREAMER_DEBUG.
17114         * lto-streamer.c (struct tree_hash_entry): Likewise.
17115         (struct tree_entry_hasher): Likewise.
17116         (tree_entry_hasher::hash): Likewise.
17117         (tree_entry_hasher::equal): Likewise.
17118         (lto_streamer_init): Likewise.
17119         (lto_orig_address_map): Likewise.
17120         (lto_orig_address_get): Likewise.
17121         (lto_orig_address_remove): Likewise.
17122         * lto-streamer.h: Likewise.
17123         * tree-streamer-in.c (streamer_alloc_tree): Likewise.
17124         * tree-streamer-out.c (streamer_write_tree_header): Likewise.
17125
17126 2017-05-02  Sebastian Peryt  <sebastian.peryt@intel.com>
17127
17128         * config/i386/avx512fintrin.h (_mm_mask_add_round_sd)
17129         (_mm_maskz_add_round_sd, _mm_mask_add_round_ss)
17130         (mm_maskz_add_round_ss, _mm_mask_sub_round_sd)
17131         (mm_maskz_sub_round_sd, _mm_mask_sub_round_ss)
17132         (mm_maskz_sub_round_ss, _mm_mask_add_sd)
17133         (mm_maskz_add_sd, _mm_mask_add_ss, _mm_maskz_add_ss)
17134         (mm_mask_sub_sd, _mm_maskz_sub_sd, _mm_mask_sub_ss)
17135         (mm_maskz_sub_ss): New intrinsics.
17136         * config/i386/i386-builtin-types.def (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
17137         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): New function type aliases.
17138         * config/i386/i386-builtin.def (__builtin_ia32_addsd_mask_round)
17139         (__builtin_ia32_addss_mask_round, __builtin_ia32_subsd_mask_round)
17140         (__builtin_ia32_subss_mask_round): New builtins.
17141         * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
17142         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): Handle new types.
17143         * config/i386/sse.md (<sse>_vm<plusminus_insn><mode>3<round_name>):
17144         Renamed to ...
17145         (<sse>_vm<plusminus_insn><mode>3<mask_name><round_name>): ... this.
17146         (v<plusminus_mnemonic><ssescalarmodesuffix>\t{<round_op3>%2, %1, %0|%0, %1, %<iptr>2<round_op3>}):
17147         Changed to ...
17148         (v<plusminus_mnemonic><ssescalarmodesuffix>\t{<round_mask_op3>%2, %1, %0<mask_operand3>|%0<mask_operand3>, %1, %<iptr>2<round_mask_op3>}):
17149         ... this.
17150
17151 2017-05-02  Martin Jambor  <mjambor@suse.cz>
17152
17153         PR tree-optimization/78687
17154         * tree-sra.c (access): New field parent.
17155         (process_subtree_disqualification): New function.
17156         (disqualify_candidate): Call it.
17157         (build_accesses_from_assign): Reset write flag if creating an
17158         assighnment link.
17159         (build_access_subtree): Fill in parent field and also prpagate
17160         down grp_write flag.
17161         (create_artificial_child_access): New parameter set_grp_write, set
17162         grp_write to its value.
17163         (propagate_subaccesses_across_link): Also propagate grp_write flag
17164         values.
17165         (propagate_all_subaccesses): Push the closest parent back to work
17166         queue if add_access_to_work_queue returned true.
17167
17168 2017-05-02  Richard Biener  <rguenther@suse.de>
17169
17170         * common.opt (fstrict-overflow): Alias negative to fwrapv.
17171         * doc/invoke.texi (fstrict-overflow): Remove all traces of
17172         -fstrict-overflow documentation.
17173         * tree.h (TYPE_OVERFLOW_UNDEFINED): Do not test flag_strict_overflow.
17174         (POINTER_TYPE_OVERFLOW_UNDEFINED): Test !flag_wrapv instead of
17175         flag_strict_overflow.
17176         * ipa-inline.c (can_inline_edge_p): Do not test flag_strict_overflow.
17177         * lto-opts.c (lto_write_options): Do not stream it.
17178         * lto-wrapper.c (merge_and_complain): Do not handle it.
17179         * opts.c (default_options_table): Do not set -fstrict-overflow.
17180         (finish_options): Likewise do not clear it when sanitizing.
17181         * simplify-rtx.c (simplify_const_relational_operation): Do not
17182         test flag_strict_overflow.
17183
17184 2017-05-02  Uros Bizjak  <ubizjak@gmail.com>
17185
17186         * config/alpha/alpha.md (*add<mode>3_ieee): Merge to add<mode>3
17187         using enabled attribute.
17188         (*sub<mode>3_ieee): Merge to sub<mode>3 using enabled attribute.
17189         (*mul<mode>3_ieee): Merge to mul<mode>3 using enabled attribute.
17190         (*div<mode>3_ieee): Merge to div<mode>3 using enabled attribute.
17191         (*sqrt<mode>2_ieee): Merge to sqrt<mode>2 using enabled attribute.
17192         (*fix_truncdfdi_ieee): Merge to *fix_truncdfdi2 using enabled attribute.
17193         (*fix_truncsfdi_ieee): Merge to *fix_truncsfdi2 using enabled attribute.
17194         (*floatdisf_ieee): Merge to floatdisf2 using enabled attribute.
17195         (*floatdidf_ieee): Merge to floatdidf2 using enabled attribute.
17196         (*truncdfsf2_ieee): Merge to truncdfsf2 using enabled attribute.
17197         (*cmpdf_ieee): Merge to *cmpdf_internal using enabled attribute.
17198
17199 2017-05-02  Uros Bizjak  <ubizjak@gmail.com>
17200
17201         * config/i386/i386.c (ix86_code_end): Use {FIRST,LAST}_INT_REG.
17202
17203 2017-05-02  Richard Biener  <rguenther@suse.de>
17204
17205         PR tree-optimization/80591
17206         Revert
17207         2017-04-10  Richard Biener  <rguenther@suse.de>
17208
17209         * tree-ssa-structalias.c (find_func_aliases): Properly handle
17210         asm inputs.
17211
17212 2017-05-02  Richard Biener  <rguenther@suse.de>
17213
17214         PR tree-optimization/80549
17215         * tree-cfgcleanup.c (mfb_keep_latches): New helper.
17216         (cleanup_tree_cfg_noloop): Create forwarders to known loop
17217         headers if they do not have a preheader.
17218
17219 2017-05-02  Martin Liska  <mliska@suse.cz>
17220
17221         PR other/80589
17222         * common.opt: Fix typo.
17223         * doc/invoke.texi: Likewise.
17224
17225 2017-05-01  Jan Beulich  <jbeulich@suse.com>
17226
17227         * config/i386/sse.md (xop_vpermil2<mode>3): Do not allow operand
17228         swapping, add (x,x,m,x,n) alternative.
17229
17230 2017-05-01  Nathan Sidwell  <nathan@acm.org>
17231
17232         * calls.c (combine_pending_stack_adjustment_and_call): Remove
17233         unnecessary unadjusted_alignment check.
17234
17235 2017-05-01  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>
17236
17237         PR c++/80038
17238         * cilk_common.c (expand_builtin_cilk_detach): Move pedigree
17239         operations here.
17240         * gimplify.c (gimplify_cilk_detach): New function.
17241         (gimplify_call_expr, gimplify_modify_expr): Call it as needed.
17242         * tree-core.h: Document EXPR_CILK_SPAWN.
17243         * tree.h (EXPR_CILK_SPAWN): Define.
17244
17245 2017-05-01  David Malcolm  <dmalcolm@redhat.com>
17246
17247         * diagnostic-show-locus.c (layout::get_expanded_location): Rewrite
17248         to use new fixit_hint representation, using the "replace" logic.
17249         (get_line_span_for_fixit_hint): Likewise.
17250         (layout::print_any_fixits): Likewise.
17251         (selftest::test_one_liner_many_fixits): Rename to...
17252         (selftest::test_one_liner_many_fixits_1): ...this, and update
17253         comment and expected output to reflect that the multiple fix-it
17254         hints are now consolidated into one insertion.
17255         (selftest::test_one_liner_many_fixits_2): New test.
17256         (selftest::test_diagnostic_show_locus_one_liner): Update for
17257         above.
17258         (selftest::test_fixit_consolidation): Update for fix-it API
17259         change.
17260         * diagnostic.c (print_parseable_fixits): Likewise.
17261         * edit-context.c (edited_line::m_line_events): Convert from
17262         auto_vec <line_event *> to auto_vec <line_event>.
17263         (class line_event): Convert from abstract base class to a concrete
17264         class, taking over the role of replace_event.
17265         (class insert_event): Delete.
17266         (class replace_event): Rename to class line_event.  Convert to
17267         half-open range.
17268         (edit_context::add_fixits): Reimplement.
17269         (edit_context::apply_insert): Delete.
17270         (edit_context::apply_replace): Rename to...
17271         (edit_context::apply_fixit): ...this.  Convert to half-open range.
17272         (edited_file::apply_insert): Delete.
17273         (edited_file::apply_replace): Rename to...
17274         (edited_file::apply_fixit): ...this.
17275         (edited_line::~edited_line): Drop deletion of events.
17276         (edited_line::apply_insert): Delete.
17277         (edited_line::apply_replace): Rename to...
17278         (edited_line::apply_fixit): ...this.  Convert to half-open range.
17279         Update for change to type of m_line_events.
17280         * edit-context.h (edit_context::apply_insert): Delete.
17281         (edit_context::apply_replace): Rename to...
17282         (edit_context::apply_fixit): ...this.
17283
17284 2017-05-01  Martin Sebor  <msebor@redhat.com>
17285
17286         * gimple-ssa-sprintf.c (format_integer): Set knownrange when it's
17287         known.
17288
17289 2017-05-01  Uros Bizjak  <ubizjak@gmail.com>
17290
17291         PR target/68491
17292         * config/i386/cpuid.h (__get_cpuid): Always return 0 when
17293         __get_cpuid_max returns 0.
17294         (__get_cpuid_count): Ditto.
17295
17296 2017-05-01  Eric Botcazou  <ebotcazou@adacore.com>
17297
17298         * tree.c (substitute_in_expr) <tcc_vl_exp>: Also inline a call if the
17299         replacement expression is another instance of one of its arguments.
17300
17301 2017-05-01  Jakub Jelinek  <jakub@redhat.com>
17302
17303         PR target/79430
17304         * rtlanal.c (reg_set_p): If reg is a stack_pointer_rtx, also
17305         check for stack push/pop autoinc.
17306         * config/i386/i386.c (ix86_agi_dependent): Return false
17307         if the only reason why modified_in_p returned true is that
17308         addr is SP based and set_insn is a push or pop.
17309
17310 2017-04-29  Jan Hubicka  <hubicka@ucw.cz>
17311
17312         * ipa-inline.c (compute_inlined_call_time): Remove now unnecesary
17313         overflow check.
17314
17315 2017-04-29  Jan Hubicka  <hubicka@ucw.cz>
17316
17317         PR ipa/79224
17318         * ipa-inline-analysis.c (dump_predicate): Add optional parameter NL.
17319         (account_size_time): Use two predicates - exec_pred and
17320         nonconst_pred_ptr.
17321         (evaluate_conditions_for_known_args): Compute both clause and
17322         nonspec_clause.
17323         (evaluate_properties_for_edge): Evaulate both clause and nonspec_clause.
17324         (inline_summary_t::duplicate): Update.
17325         (estimate_function_body_sizes): Caluculate exec and nonconst predicates
17326         separately.
17327         (compute_inline_parameters): Likewise.
17328         (estimate_edge_size_and_time): Update caluclation of time.
17329         (estimate_node_size_and_time): Compute both time and nonspecialized
17330         time.
17331         (estimate_ipcp_clone_size_and_time): Update.
17332         (inline_merge_summary): Update.
17333         (do_estimate_edge_time): Update.
17334         (do_estimate_edge_size): Update.
17335         (do_estimate_edge_hints): Update.
17336         (inline_read_section, inline_write_summary): Stream both new predicates.
17337         * ipa-inline.c (compute_uninlined_call_time): Take uninlined_call_time
17338         as argument.
17339         (compute_inlined_call_time): Cleanup.
17340         (big_speedup_p): Update.
17341         (edge_badness): Update.
17342         * ipa-inline.h (INLINE_TIME_SCALE): Remove.
17343         (size_time_entry): Replace predicate by exec_predicate and
17344         nonconst_predicate.
17345         (edge_growth_cache_entry): Cache both time nad nonspecialized time.
17346         (estimate_edge_time): Return also nonspec_time.
17347         (reset_edge_growth_cache): Update.
17348
17349 2017-04-29  Jakub Jelinek  <jakub@redhat.com>
17350
17351         PR rtl-optimization/80491
17352         * ifcvt.c (noce_process_if_block): When looking for x setter
17353         with missing else_bb, don't check only the insn right before
17354         cond_earliest, but look for the last insn that x is modified in
17355         within the same bb.
17356
17357         PR rtl-optimization/80491
17358         * alias.c (memory_modified_in_insn_p): Return true for CALL_INSNs.
17359
17360 2017-04-29  Marc Glisse  <marc.glisse@inria.fr>
17361
17362         PR tree-optimization/80487
17363         * tree-ssa-alias.c (stmt_kills_ref_p): Handle stpncpy and strncpy.
17364
17365 2017-04-29  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
17366
17367         PR tree-optimization/79697
17368         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Check if callee
17369         is BUILT_IN_STRDUP, BUILT_IN_STRNDUP, BUILT_IN_REALLOC.
17370         (propagate_necessity): Check if def_callee is BUILT_IN_STRDUP or
17371         BUILT_IN_STRNDUP.
17372         * gimple-fold.c (gimple_fold_builtin_realloc): New function.
17373         (gimple_fold_builtin): Call gimple_fold_builtin_realloc.
17374
17375 2017-04-28  Martin Sebor  <msebor@redhat.com>
17376
17377         PR tree-optimization/80523
17378         * gimple-ssa-sprintf.c (target_to_host_charmap): New global variable.
17379         (init_target_to_host_charmap, target_to_host, target_strtol10): New
17380         functions.
17381         (maybe_warn, format_directive, parse_directive): Use new functions.
17382         (pass_sprintf_length::execute): Call init_target_to_host_charmap.
17383
17384 2017-04-28  Marc Glisse  <marc.glisse@inria.fr>
17385
17386         * match.pd (X+Z OP Y+Z, X-Z OP Y-Z, Z-X OP Z-Y): New transformations.
17387
17388 2017-04-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
17389
17390         * configure.ac (SYSTEM_HEADER_DIR, BUILD_SYSTEM_HEADER_DIR,
17391         target_header_dir): Set correctly.
17392         * configure: Regenerated.
17393         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
17394         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
17395         instead of SYSTEM_HEADER_DIR.
17396
17397 2017-04-28  Jan Hubicka  <hubicka@ucw.cz>
17398
17399         * ipa-cp.c (perform_estimation_of_a_value): Turn time to sreal.
17400         (estimate_local_effects): Likewise.
17401         * ipa-inline.c (compute_inlined_call_time, want_inline_small_function_p,
17402         edge_badness, inline_small_functions, dump_overall_stats): LIkewise.
17403         * ipa-inline.h (edge_growth_cache_entry, estimate_time_after_inlining,
17404         estimate_ipcp_clone_size_and_time, do_estimate_edge_time,
17405         do_estimate_edge_time, estimate_edge_time): Likewise.
17406         * ipa-inline-analysis.c (estimate_node_size_and_time,
17407         estimate_ipcp_clone_size_and_time, do_estimate_edge_time): Likewise.
17408         (estimate_time_after_inlining): Remove.
17409
17410 2017-04-28  Martin Liska  <mliska@suse.cz>
17411
17412         * doc/gcov.texi: Enhance documentation of gcov.
17413
17414 2017-04-28  Martin Liska  <mliska@suse.cz>
17415
17416         * doc/gcov.texi: Sort options in alphabetic order.
17417         * doc/gcov-dump.texi: Likewise.
17418         * doc/gcov-tool.texi: Likewise.
17419         * gcov.c (print_usage): Likewise.
17420         * gcov-dump.c (print_usage): Likewise.
17421         * gcov-tool.c (print_merge_usage_message): Likewise.
17422         (print_rewrite_usage_message): Likewise.
17423         (print_overlap_usage_message): Likewise.
17424
17425 2017-04-28  Martin Liska  <mliska@suse.cz>
17426
17427         PR gcov-profile/53915
17428         * gcov.c (format_gcov): Print 'NAN %' when top > bottom.
17429
17430 2017-04-28  Martin Liska  <mliska@suse.cz>
17431
17432         PR gcov-profile/79891
17433         * gcov.c (add_line_counts): Assign BBs to lines just if the BB
17434         is marked by compiler as living on a line.
17435         (get_cycles_count): Remove usage of the union.
17436         (output_intermediate_file): Likewise.
17437         (find_source): Fix GNU coding style.
17438         (accumulate_line_counts): Remove old non-all block mode.
17439         (output_lines): Remove usage of the union.
17440         * profile.c (output_location): Include all BBs, even if
17441         belonging to a same line (and file) as a previous BB.
17442
17443 2017-04-28  Martin Liska  <mliska@suse.cz>
17444
17445         * gcov.c (process_args): Handle new argument 'w'.
17446         (read_graph_file): Assign ID to BBs.
17447         (output_branch_count): Display BB # if verbose flag is set.
17448         (output_lines): Likewise for arcs.
17449         (print_usage): Add '--verbose' option help.
17450         * doc/gcov.texi: Document --verbose (-w) option.
17451
17452 2017-04-28  Martin Liska  <mliska@suse.cz>
17453
17454         * gcov.c (struct block_location_info): New struct.
17455         (process_file): Fill up the new structure.
17456         (read_graph_file): Replace usage of encoding by the newly added
17457         struct.
17458         (add_line_counts): Likewise.
17459         (accumulate_line_counts): Remove usage of the union.
17460         (function_info::function_info): New function.
17461         (function_info::~function_info): Likewise.
17462         (process_file): Call delete instead of release_function.
17463         (release_function): Release the function.
17464         (release_structures): Call delete instead of release_function.
17465         (solve_flow_graph): Replace usage of num_blocks.
17466         (find_exception_blocks): Likewise.
17467         (output_lines): Fix GNU coding style.
17468
17469 2017-04-28  Martin Liska  <mliska@suse.cz>
17470
17471         PR driver/56469
17472         * coverage.c (coverage_remove_note_file): New function.
17473         * coverage.h: Declare the function.
17474         * toplev.c (finalize): Clean if an error has been seen.
17475
17476 2017-04-28  Martin Liska  <mliska@suse.cz>
17477
17478         PR gcov-profile/80031
17479         * gcov-dump.c (tag_blocks): Just print number of basic blocks.
17480         * gcov-io.h (GCOV_TAG_BLOCKS_NUM): Remove unused macro.
17481         * gcov.c (read_graph_file): Read just number of blocks.
17482         * profile.c (branch_prob): Do not stream 0 flags per a basic
17483         block.
17484
17485 2017-04-28  Martin Liska  <mliska@suse.cz>
17486
17487         * gcov-dump.c (tag_*): Add new argument to declarations.
17488         (dump_gcov_file): Likewise.
17489         (tag_blocks): Add and use new argument depth.
17490         (tag_arcs): Likewise.
17491         (tag_lines): Likewise.
17492         (tag_counters): Likewise.
17493         (tag_summary): Likewise.
17494         (dump_working_sets): Use depth to do a proper indentation.
17495
17496 2017-04-28  Jakub Jelinek  <jakub@redhat.com>
17497
17498         PR bootstrap/80531
17499         * cgraph.h (symtab_node::debug_symtab): No longer inline.
17500         * symtab.c (symtab_node::debug_symtab): Move definition here.
17501
17502 2017-04-28  Richard Biener  <rguenther@suse.de>
17503
17504         * lto-streamer.h (LTO_major_version): Bump to 7.
17505
17506 2017-04-28  Richard Biener  <rguenther@suse.de>
17507
17508         * tree-vrp.c (assert_info): New struct.
17509         (add_assert_info): New helper.
17510         (register_edge_assert_for_2): Refactor to add asserts to a vector
17511         of assert_info.
17512         (register_edge_assert_for_1): Likewise.
17513         (register_edge_assert_for): Likewise.
17514         (finish_register_edge_assert_for): New helper actually registering
17515         asserts where live on edge.
17516         (find_conditional_asserts): Adjust.
17517         (find_switch_asserts): Likewise.
17518         (evrp_dom_walker::try_find_new_range): Generalize.
17519         (evrp_dom_walker::before_dom_children): Use register_edge_assert_for.
17520
17521 2017-04-27  Marek Polacek  <polacek@redhat.com>
17522
17523         PR sanitizer/80349
17524         * fold-const.c (fold_binary_loc) <case EQ_EXPR, NE_EXPR>: Convert
17525         arg10 and arg11 to itype.
17526
17527 2017-04-27  Jonathan Wakely  <jwakely@redhat.com>
17528
17529         * doc/extend.texi (Object Size Checking): Improve grammar.
17530
17531 2017-04-27  Richard Earnshaw  <rearnsha@arm.com>
17532
17533         PR target/80530
17534         * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Ensure
17535         that the logic for permitting reciprocal estimates matches that
17536         in use_rsqrt_p.
17537
17538 2017-04-27  Jakub Jelinek  <jakub@redhat.com>
17539
17540         PR c++/80534
17541         * tree.c (type_cache_hasher::equal): Only compare
17542         TYPE_TYPELESS_STORAGE flag on non-aggregate element types.
17543         (build_array_type_1): Only hash TYPE_TYPELESS_STORAGE flag on
17544         non-aggregate element types.
17545         * tree.h (TYPE_TYPELESS_STORAGE): Fix comment typo, add more details
17546         about the flag on ARRAY_TYPEs in the comment, formatting fix.
17547
17548 2017-04-27  Richard Biener  <rguenther@suse.de>
17549
17550         PR middle-end/80533
17551         * emit-rtl.c (set_mem_attributes_minus_bitpos): When
17552         stripping ARRAY_REFs from MEM_EXPR make sure we're not
17553         keeping a reference to a trailing array.
17554
17555 2017-04-27  Richard Biener  <rguenther@suse.de>
17556
17557         PR middle-end/80539
17558         * tree-chrec.c (chrec_fold_plus_poly_poly): Deal with not
17559         being in loop-closed SSA form conservatively.
17560         (chrec_fold_multiply_poly_poly): Likewise.
17561
17562 2017-04-27  Tamar Christina  <tamar.christina@arm.com>
17563
17564         PR middle-end/79665
17565         * expr.c (expand_expr_real_2): Move TRUNC_MOD_EXPR, FLOOR_MOD_EXPR,
17566         CEIL_MOD_EXPR, ROUND_MOD_EXPR cases.
17567
17568 2017-04-27  Jakub Jelinek  <jakub@redhat.com>
17569
17570         PR target/77728
17571         * config/aarch64/aarch64.c (struct aarch64_fn_arg_alignment): Remove.
17572         (aarch64_function_arg_alignment): Return unsigned int again, but still
17573         ignore TYPE_FIELDS chain decls other than FIELD_DECLs.
17574         (aarch64_layout_arg): Adjust aarch64_function_arg_alignment caller.
17575         Don't emit -Wpsabi note.
17576         (aarch64_function_arg_boundary): Likewise.
17577         (aarch64_gimplify_va_arg_expr): Adjust aarch64_function_arg_alignment
17578         caller.
17579
17580 2017-04-26  Nathan Sidwell  <nathan@acm.org>
17581
17582         * tree.h (crc32_unsigned_n): Declare.
17583         (crc32_unsigned, crc32_unsigned): Make inline.
17584         * tree.c (crc32_unsigned_bits): Replace with ...
17585         (crc32_unsigned_n): ... this.
17586         (crc32_unsigned, crc32_byte): Remove.
17587         (crc32_string): Remove unnecessary braces.
17588
17589 2017-04-25  Jan Hubicka  <hubicka@ucw.cz>
17590
17591         * ipa-cp.c (estimate_local_effects): Convert sreal to int.
17592         * ipa-inline-analysis.c (MAX_TIME): Remove.
17593         (account_size_time): Use sreal for time.
17594         (dump_inline_summary): Update.
17595         (estimate_function_body_sizes): Update.
17596         (estimate_edge_size_and_time): Update.
17597         (estimate_calls_size_and_time): Update.
17598         (estimate_node_size_and_time): Update.
17599         (inline_merge_summary): Update.
17600         (inline_update_overall_summary): Update.
17601         (estimate_time_after_inlining): Update.
17602         (inline_read_section): Update.
17603         (inline_write_summary): Update.
17604         * ipa-inline.c (compute_uninlined_call_time): Update.
17605         (compute_inlined_call_time): Update.
17606         (recursive_inlining): Update.
17607         (inline_small_functions): Update.
17608         (dump_overall_stats): Update.
17609         * ipa-inline.h: Include sreal.h.
17610         (size_time_entry): Turn time to sreal.
17611         (inline_summary): Turn self_time nad time to sreal.
17612
17613 2017-04-25  Jan Hubicka  <hubicka@ucw.cz>
17614
17615         * sreal.c: Include backend.h, tree.h, gimple.h, cgraph.h and
17616         data-streamer.h
17617         (sreal::stream_out, sreal::stream_in): New.
17618         * sreal.h (sreal::stream_out, sreal::stream_in): Declare.
17619
17620 2017-04-25  Jakub Jelinek  <jakub@redhat.com>
17621
17622         * Makefile.in (s-options): Invoke opt-gather.awk with LC_ALL=C in the
17623         environment.
17624
17625 2017-04-25  Uros Bizjak  <ubizjak@gmail.com>
17626
17627         PR target/70799
17628         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p):
17629         Handle ASHIFTRT.
17630         (dimode_scalar_chain::compute_convert_gain): Ditto.
17631         (dimode_scalar_chain::make_vector_copies): Ditto.
17632         (dimode_scalar_chain::convert_reg): Ditto.
17633         (dimode_scalar_chain::convert_insn): Ditto.
17634         * config/i386/sse.md (VI24_AVX512BW_1): Remove mode iterator.
17635         (VI248_AVX512BW_1): New mode iterator.
17636         (<mask_codefor>ashr<mode>3<mask_name>): Merge insn pattern with
17637         <mask_codefor>ashrv2di3<mask_name> insn using VI248_AVX512BW_1
17638         mode iterator.
17639
17640 2017-04-25  Martin Sebor  <msebor@redhat.com>
17641
17642         PR tree-optimization/80497
17643         * gimple-ssa-sprintf.c (get_int_range): Avoid assuming all integer
17644         constants are representable in HOST_WIDE_INT.
17645         (parse_directive): Ditto.
17646
17647 2017-04-25  Martin Sebor  <msebor@redhat.com>
17648
17649         PR bootstrap/80486
17650         * dominance.c (dom_info::m_n_basic_blocks): Change type to unsigned.
17651         (new_zero_array): Adjust signature.
17652         (dom_info::dom_init): Used unsigned rather that size_t.
17653         (dom_info::dom_info): Same.
17654
17655 2017-04-25  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
17656             Jakub Jelinek  <jakub@redhat.com>
17657
17658         PR target/77728
17659         * config/arm/arm.c: Include gimple.h.
17660         (aapcs_layout_arg): Emit -Wpsabi note if arm_needs_doubleword_align
17661         returns negative, increment ncrn only if it returned positive.
17662         (arm_needs_doubleword_align): Return int instead of bool,
17663         ignore DECL_ALIGN of non-FIELD_DECL TYPE_FIELDS chain
17664         members, but if there is any such non-FIELD_DECL
17665         > PARM_BOUNDARY aligned decl, return -1 instead of false.
17666         (arm_function_arg): Emit -Wpsabi note if arm_needs_doubleword_align
17667         returns negative, increment nregs only if it returned positive.
17668         (arm_setup_incoming_varargs): Likewise.
17669         (arm_function_arg_boundary): Emit -Wpsabi note if
17670         arm_needs_doubleword_align returns negative, return
17671         DOUBLEWORD_ALIGNMENT only if it returned positive.
17672
17673 2017-04-25  Marek Polacek  <polacek@redhat.com>
17674
17675         PR sanitizer/80349
17676         * fold-const.c (fold_binary_loc) <case BIT_IOR_EXPR>: Convert arg0's
17677         first argument to type.
17678
17679 2017-04-25  Bill Seurer  <seurer@linux.vnet.ibm.com>
17680
17681         PR target/80482
17682         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Change
17683         type checks to test for compatibility instead of equality.
17684
17685 2017-04-25  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
17686             Jakub Jelinek  <jakub@redhat.com>
17687
17688         PR target/77728
17689         * config/aarch64/aarch64.c (struct aarch64_fn_arg_alignment): New
17690         type.
17691         (aarch64_function_arg_alignment): Return aarch64_fn_arg_alignment
17692         struct.  Ignore DECL_ALIGN of decls other than FIELD_DECL for
17693         the alignment computation, but return their maximum in warn_alignment.
17694         (aarch64_layout_arg): Adjust aarch64_function_arg_alignment caller.
17695         Emit a -Wpsabi note if warn_alignment is 16 bytes, but alignment
17696         is smaller.
17697         (aarch64_function_arg_boundary): Likewise.  Simplify using MIN/MAX.
17698         (aarch64_gimplify_va_arg_expr): Adjust aarch64_function_arg_alignment
17699         caller.
17700
17701 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
17702
17703         * config/arc/simdext.md (dmpyh): Fix typo.
17704
17705 2017-04-25  Richard Biener  <rguenther@suse.de>
17706
17707         PR tree-optimization/80492
17708         * alias.c (compare_base_decls): Handle registers with asm
17709         specification conservatively.
17710         * tree-ssa-alias.c (decl_refs_may_alias_p): Handle
17711         compare_base_decls returning dont-know properly.
17712
17713 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
17714
17715         * config/arc/arc.c (LEGITIMATE_OFFSET_ADDRESS_P): Delete macro.
17716         (legitimate_offset_address_p): New function.
17717         (arc_legitimate_address_p): Use above function.
17718
17719 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
17720
17721         * config/arc/arc.c (arc_output_mi_thunk): Emit PIC calls.
17722
17723 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
17724
17725         * config/arc/arc.c (arc_conditional_register_usage): Use ACCL,
17726         ACCH registers whenever they are available.
17727
17728 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
17729
17730         * config/arc/arc.c (arc_conditional_register_usage): Make D0, D1
17731         double regs fix when not used.
17732
17733 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
17734
17735         * config/arc/arc.h (REGNO_OK_FOR_BASE_P): Consider also extension
17736         core registers.
17737         (REG_OK_FOR_INDEX_P_NONSTRICT): Likewise.
17738         (REG_OK_FOR_BASE_P_NONSTRICT): Likewise.
17739
17740 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
17741
17742         * config/arc/arc.c (arc_output_addsi): Check for h-register class
17743         when emitting short ADD instructions.
17744
17745 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
17746
17747         * config/arc/arc.md (cmpsi_cc_insn_mixed): Use 'h' register
17748         constraint.
17749         (cmpsi_cc_c_insn): Likewise.
17750         (cbranchsi4_scratch): Compute proper instruction length using
17751         compact_hreg_operand.
17752         * config/arc/predicates.md (compact_hreg_operand): New predicate.
17753
17754 2017-04-25  Richard Biener  <rguenther@suse.de>
17755
17756         PR middle-end/80509
17757         * passes.c (pass_manager::pass_manager): Initialize
17758         m_name_to_pass_map.
17759
17760 2017-04-25  Richard Biener  <rguenther@suse.de>
17761
17762         PR tree-optimization/79201
17763         * tree-ssa-sink.c (statement_sink_location): Handle calls.
17764
17765 2017-04-25  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
17766
17767         PR target/80464
17768         * config/s390/vector.md: Split MEM->GPR vector moves for
17769         non-s_operand addresses.
17770
17771 2017-04-25  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
17772
17773         PR target/79895
17774         * config/s390/predicates.md (reload_const_wide_int_operand): New
17775         predicate.
17776         * config/s390/s390.md ("movti"): Remove d/P alternative.
17777         ("movti_bigconst"): New pattern definition.
17778
17779 2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
17780
17781         PR target/80080
17782         * s390-protos.h (s390_expand_cs_hqi): Removed.
17783         (s390_expand_cs, s390_expand_atomic_exchange_tdsi): New prototypes.
17784         * config/s390/s390.c (s390_emit_compare_and_swap): Handle all integer
17785         modes as well as CCZ1mode and CCZmode.
17786         (s390_expand_atomic_exchange_tdsi, s390_expand_atomic): Adapt to new
17787         signature of s390_emit_compare_and_swap.
17788         (s390_expand_cs_hqi): Likewise, make static.
17789         (s390_expand_cs_tdsi): Generate an explicit compare before trying
17790         compare-and-swap, in some cases.
17791         (s390_expand_cs): Wrapper function.
17792         (s390_expand_atomic_exchange_tdsi): New backend specific expander for
17793         atomic_exchange.
17794         (s390_match_ccmode_set): Allow CCZmode <-> CCZ1 mode.
17795         * config/s390/s390.md ("atomic_compare_and_swap<mode>"): Merge the
17796         patterns for small and large integers.  Forbid symref memory operands.
17797         Move expander to s390.c.  Require cc register.
17798         ("atomic_compare_and_swap<DGPR:mode><CCZZ1:mode>_internal")
17799         ("*atomic_compare_and_swap<TDI:mode><CCZZ1:mode>_1")
17800         ("*atomic_compare_and_swapdi<CCZZ1:mode>_2")
17801         ("*atomic_compare_and_swapsi<CCZZ1:mode>_3"): Use s_operand to forbid
17802         symref memory operands.  Remove CC mode and call s390_match_ccmode
17803         instead.
17804         ("atomic_exchange<mode>"): Allow and implement all integer modes.
17805
17806 2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
17807
17808         * config/s390/s390.md (define_peephole2): New peephole to help
17809         combining the load-and-test pattern with volatile memory.
17810
17811 2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
17812
17813         * config/s390/s390.md ("cstorecc4"): Use load-on-condition and deal
17814         with CCZmode for TARGET_Z196.
17815
17816 2017-04-25  Jakub Jelinek  <jakub@redhat.com>
17817
17818         PR rtl-optimization/80501
17819         * combine.c (make_compound_operation_int): Set subreg_code to SET
17820         even for AND with mask of the sign bit of mode.
17821
17822         PR rtl-optimization/80500
17823         * loop-unroll.c (combine_var_copies_in_loop_exit): Call copy_rtx on
17824         sum's initial value.
17825
17826 2017-04-25  Julian Brown  <julian@codesourcery.com>
17827             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
17828
17829         * config/aarch64/thunderx2t99.md (thunderx2t99_crc): New Reservation.
17830
17831 2017-04-25  Marc Glisse  <marc.glisse@inria.fr>
17832
17833         * fold-const.c (tree_single_nonzero_warnv_p): Handle SSA_NAME.
17834
17835 2017-04-25  Julian Brown  <julian@codesourcery.com>
17836             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
17837
17838         * config/aarch64/thunderx2t99.md (thunderx2t99_aes): New Reservation.
17839         (thunderx2t99_sha): New Reservation.
17840
17841 2017-04-25  Julian Brown  <julian@codesourcery.com>
17842             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
17843
17844         * config/aarch64/aarch64-simd.md (aarch64_simd_vec_set<mode>): Fix
17845         type for 1-element load.
17846
17847 2017-04-24  Marc Glisse  <marc.glisse@inria.fr>
17848
17849         * match.pd (X/[ex]C CMP Y/[ex]C): New transformation.
17850
17851 2017-04-24  Martin Jambor  <mjambor@suse.cz>
17852
17853         PR tree-optimization/80293
17854         * tree-sra.c (scalarizable_type_p): New parameter const_decl, make
17855         char arrays not totally scalarizable if it is false.
17856         (analyze_all_variable_accesses): Pass correct value in the new
17857         parameter.  Add a statistics counter.
17858
17859 2017-04-24  Jan Hubicka  <hubicka@ucw.cz>
17860
17861         PR middle-end/79931
17862         * ipa-devirt.c (dump_possible_polymorphic_call_targets): Fix ICE.
17863
17864 2017-04-24  Richard Biener  <rguenther@suse.de>
17865
17866         PR tree-optimization/80494
17867         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Bail
17868         out for complex types.
17869
17870 2017-04-24  Richard Biener  <rguenther@suse.de>
17871
17872         * tree-ssa-sccvn.h (run_scc_vn): Adjust prototype.
17873         * tree-ssa-sccvn.c (print_scc): Print SCC size.
17874         (extract_and_process_scc_for_name): Never fail but drop SCC to varying.
17875         (DFS): Adjust and never fail.
17876         (sccvn_dom_walker::fail): Remove.
17877         (sccvn_dom_walker::before_dom_children): Adjust.
17878         (run_scc_vn): Likewise and never fail.
17879         * tree-ssa-pre.c (pass_pre::execute): Adjust.
17880         (pass_fre::execute): Likewise.
17881
17882 2017-04-24  Richard Biener  <rguenther@suse.de>
17883
17884         PR tree-optimization/79725
17885         * tree-ssa-sink.c (statement_sink_location): Return whether
17886         failure reason was zero uses.  Move that check later.
17887         (sink_code_in_bb): Deal with zero uses by removing the stmt
17888         if possible.
17889
17890 2017-04-24  Richard Biener  <rguenther@suse.de>
17891
17892         PR c++/2972
17893         * tree-ssa-uninit.c (warn_uninitialized_vars): Handle some
17894         pointer-based references.
17895
17896 2017-04-24  Richard Biener  <rguenther@suse.de>
17897
17898         PR bootstrap/79814
17899         * pass_manager.h (pass_manager::operator new): Remove.
17900         (pass_manager::operator delete): Likewise.
17901         * passes.c (pass_manager::operator new): Remove.
17902         (pass_manager::operator delete): Likewise.
17903         (pass_manager::pass_manager): Zero individual pass members.
17904
17905 2017-04-23  Uros Bizjak  <ubizjak@gmail.com>
17906
17907         PR target/70799
17908         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p)
17909         <case ASHIFT, case LSHIFTRT>: Also consider variable shifts.
17910         Check "XEXP (src, 1)" operand here.
17911         <case PLUS, case MINUS, case IOR, case XOR, case AND>:
17912         Check "XEXP (src, 1)" operand here.
17913         (dimode_scalar_chain::make_vector_copies): Detect count register
17914         of a shift instruction.  Zero extend count register from QImode
17915         to DImode to satisfy vector shift pattern count operand predicate.
17916         Substitute vector shift count operand with a DImode copy.
17917         (dimode_scalar_chain::convert_reg): Ditto, zero-extend from
17918         vector register.
17919
17920 2017-04-21  Uros Bizjak  <ubizjak@gmail.com>
17921
17922         * config/i386/i386.md (*extzvqi_mem_rex64): Move above *extzv<mode>.
17923         Remove UNSPEC_NOREX_MEM tag.  Update corresponding peephole2 pattern.
17924         (*insvqi_1_mem_rex64): Move above insv<mode>_1.  Remove
17925         UNSPEC_NOREX_MEM tag.  Update corresponding peephole2 pattern.
17926         (UNSPEC_NOREX_MEM): Remove definition.
17927
17928 2017-04-21  Richard Biener  <rguenther@suse.de>
17929
17930         PR tree-optimization/79547
17931         * tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
17932         Handle strlen, strcmp, strncmp, strcasecmp, strncasecmp, memcmp,
17933         bcmp, strspn, strcspn, __builtin_object_size and __builtin_constant_p
17934         without any constraints.
17935
17936 2017-04-21  Richard Biener  <rguenther@suse.de>
17937
17938         PR tree-optimization/78847
17939         * fold-const.c (split_tree): Handle POINTER_PLUS_EXPR.
17940
17941 2017-04-21  Richard Biener  <rguenther@suse.de>
17942
17943         * tree.h (build_qualified_type): Annotate with CXX_MEM_STAT_INFO.
17944         (build_distinct_type_copy): Likewise.
17945         (build_variant_type_copy): Likewise.
17946         * tree.c (build_qualified_type): Pass down mem-stat info.
17947         (build_distinct_type_copy): Likewise.
17948         (build_variant_type_copy): Likewise.
17949
17950 2017-04-21  Richard Biener  <rguenther@suse.de>
17951
17952         PR tree-optimization/80237
17953         * tree-ssa-pre.c (find_leader_in_sets): Add third set argument,
17954         defaulted to NULL.
17955         (phi_translate_1): Also allow a leader in AVAIL_OUT of pred
17956         for a simplified result.
17957
17958 2016-04-21  Richard Biener  <rguenther@suse.de>
17959
17960         * tree-ssa-loop-ivcanon.c (constant_after_peeling): Do not require
17961         sth as strict as a simple_iv but a chrec without symbols and an
17962         operand defined in the loop we are peeling (and not some subloop).
17963         (propagate_constants_for_unrolling): Propagate all constants.
17964
17965 2017-04-20  Uros Bizjak  <ubizjak@gmail.com>
17966
17967         PR target/79804
17968         * config/i386/i386.c (print_reg): Remove assert for disalowed
17969         regno values, call output_operand_lossage instead.
17970
17971 2017-04-20  Uros Bizjak  <ubizjak@gmail.com>
17972
17973         PR target/78090
17974         * config/i386/constraints.md (Yc): New register constraint.
17975         * config/i386/i386.md (*float<SWI48:mode><MODEF:mode>2_mixed):
17976         Use Yc constraint for alternative 2 of operand 0.  Remove
17977         preferred_for_speed attribute.
17978
17979 2017-04-20  Alexander Monakov  <amonakov@ispras.ru>
17980
17981         * omp-low.c (lower_lastprivate_clauses): Correct handling of linear and
17982         lastprivate clauses in SIMT case.
17983
17984 2017-04-20  Volker Reichelt  <v.reichelt@netcologne.de>
17985
17986         * doc/invoke.texi (-Wextra-semi): Document new warning option.
17987
17988 2017-04-20  Richard Biener  <rguenther@suse.de>
17989
17990         PR tree-optimization/57796
17991         * tree-vect-stmts.c (vect_model_store_cost): Cost scatters
17992         as N scalar stores.
17993         (vect_model_load_cost): Cost gathers as N scalar loads.
17994
17995 2017-04-20  Richard Biener  <rguenther@suse.de>
17996
17997         * ggc-page.c (ggc_allocated_p): Rename to ...
17998         (safe_lookup_page_table_entry): ... this and return the lookup
17999         result.
18000         (gt_ggc_m_S): Use safe_lookup_page_table_entry.
18001
18002 2017-04-20  Richard Biener  <rguenther@suse.de>
18003
18004         PR tree-optimization/80453
18005         * tree-ssa-sccvn.h (struct vn_phi_s): Add cclhs and ccrhs members.
18006         * tree-ssa-sccvn.c (cond_stmts_equal_p): Use recorded lhs and rhs
18007         from the conditions.
18008         (vn_phi_eq): Pass them down.
18009         (vn_phi_lookup): Record them.
18010         (vn_phi_insert): Likewise.
18011
18012 2017-04-20  Matthew Fortune  <matthew.fortune@imgtec.com>
18013
18014         * config/mips/mips.c (mips_expand_vec_perm_const): Re-fix
18015         uninitialized variable warning to avoid buffer overrun.
18016
18017 2017-04-20  Alexander Monakov  <amonakov@ispras.ru>
18018
18019         PR other/71250
18020         * doc/invoke.texi (-Wmissing-field-initializers): Mention that warning
18021         is suppressed for '{ 0 }' in C.
18022
18023 2017-04-20  Jakub Jelinek  <jakub@redhat.com>
18024
18025         * BASE-VER: Set to 8.0.0.
18026
18027 2017-04-20  Thomas Preud'homme  <thomas.preudhomme@arm.com>
18028
18029         * config/arm/arm.c (arm_elf_asm_cdtor): Create non-default
18030         priority .init_array and .fini_array section with SECTION_NOTYPE
18031         flag.
18032
18033 2017-04-20  Jakub Jelinek  <jakub@redhat.com>
18034
18035         PR middle-end/80423
18036         * tree.h (build_array_type): Add typeless_storage default argument.
18037         * tree.c (type_cache_hasher::equal): Also compare
18038         TYPE_TYPELESS_STORAGE flag for ARRAY_TYPEs.
18039         (build_array_type): Add typeless_storage argument, set
18040         TYPE_TYPELESS_STORAGE to it, if shared also hash it, and pass to
18041         recursive call.
18042         (build_nonshared_array_type): Adjust build_array_type_1 caller.
18043         (build_array_type): Likewise.  Add typeless_storage argument.
18044
18045 2017-04-19  Eric Botcazou  <ebotcazou@adacore.com>
18046             Jakub Jelinek  <jakub@redhat.com>
18047
18048         PR tree-optimization/80426
18049         * tree-vrp.c (extract_range_from_binary_expr_1): For an additive
18050         operation on symbolic operands, also compute the overflow for the
18051         invariant part when the operation degenerates into a negation.
18052
18053 2017-04-19  Jakub Jelinek  <jakub@redhat.com>
18054
18055         PR debug/80461
18056         * dwarf2out.c (modified_type_die, gen_type_die_with_usage):
18057         Check for t with zero TYPE_QUALS_NO_ADDR_SPACE.
18058
18059         PR debug/80436
18060         * tree-ssa-loop-manip.c (find_uses_to_rename_def): Ignore debug uses.
18061
18062 2017-04-19  Georg-Johann Lay  <avr@gjlay.de>
18063
18064         PR target/80462
18065         * config/avr/avr.c (tree.h): Include it.
18066         (cgraph.h): Include it.
18067         (avr_encode_section_info): Don't warn for uninitialized progmem
18068         variable if it's just an alias.
18069
18070 2017-04-19  Richard Biener  <rguenther@suse.de>
18071
18072         PR ipa/65972
18073         * auto-profile.c (afdo_vpt_for_early_inline): Update SSA
18074         when needed by AutoPGO.
18075
18076 2017-04-19  Paulo J. Matos  <paulo@matos-sorge.com>
18077
18078         PR lto/50345
18079         * doc/lto.texi: Remove an extra 'that'.
18080
18081 2017-04-19  Segher Boessenkool  <segher@kernel.crashing.org>
18082
18083         PR rtl-optimization/80429
18084         * ira.c (split_live_ranges_for_shrink_wrap): Don't split regs that
18085         are only used in debug insns.
18086
18087 2017-04-19  Eric Botcazou  <ebotcazou@adacore.com>
18088             Vladimir Makarov  <vmakarov@redhat.com>
18089
18090         * config/sparc/predicates.md (input_operand): Add comment.  Return
18091         true for any memory operand when LRA is in progress.
18092         * config/sparc/sparc.c (sparc_expand_move): Minor formatting fix.
18093
18094 2017-04-18  Jeff Law  <law@redhat.com>
18095
18096         PR target/74563
18097         * mips.md ({return,simple_return}_internal): Do not overwrite
18098         operands[0].
18099
18100 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
18101
18102         PR tree-optimization/80443
18103         * tree-vrp.c (intersect_ranges): For signed 1-bit precision type,
18104         instead of adding 1, subtract -1 and similarly instead of subtracting
18105         1 add -1.
18106
18107 2017-04-18  Richard Sandiford  <richard.sandiford@arm.com>
18108
18109         PR rtl-optimization/80357
18110         * haifa-sched.c (tmp_bitmap): New variable.
18111         (model_recompute): Handle duplicate use records.
18112         (alloc_global_sched_pressure_data): Initialize tmp_bitmap.
18113         (free_global_sched_pressure_data): Free it.
18114
18115 2017-04-18  Bernd Edlinger  <bernd.edlinger@hotmail.de>
18116
18117         Revert:
18118         2017-02-20  Bernd Edlinger  <bernd.edlinger@hotmail.de>
18119         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
18120         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
18121         instead of SYSTEM_HEADER_DIR.
18122
18123 2017-04-18  Jeff Law  <law@redhat.com>
18124
18125         PR middle-end/80422
18126         * cfgcleanup.c (try_crossjump_to_edge): Verify SRC1 and SRC2 have
18127         predecessors after walking up the insn chain.
18128
18129 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
18130
18131         PR debug/80263
18132         * dwarf2out.c (modified_type_die): Try harder not to emit internal
18133         sizetype type into debug info.
18134
18135 2017-04-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
18136
18137         PR target/80099
18138         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Eliminate
18139         unneeded test for TARGET_UPPER_REGS_SF.
18140         * config/rs6000/vsx.md (vsx_extract_v4sf_var): Likewise.
18141
18142 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
18143
18144         PR sanitizer/80444
18145         * sancov.c (sancov_pass): Use gsi_start_nondebug_after_labels_bb
18146         instead of gsi_after_labels.
18147
18148 2017-04-18  Jeff Law  <law@redhat.com>
18149
18150         * regcprop.c (maybe_mode_change): Avoid creating copies of the
18151         stack pointer.
18152
18153         Revert:
18154         2017-04-13  Jeff Law  <law@redhat.com>
18155         * config/mips.mips.md (zero_extendsidi2): Do not allow SP to appear
18156         in operands[1] if it is a MEM and TARGET_MIPS16 is active.
18157
18158 2017-04-18  Georg-Johann Lay  <avr@gjlay.de>
18159
18160         PR target/79453
18161         * config/avr/avr.c (intl.h): Include it.
18162         (avr_pgm_check_var_decl) [reason]: Wrap diagnostic snippets into _().
18163
18164 2017-04-18  Martin Liska  <mliska@suse.cz>
18165
18166         PR gcov-profile/78783
18167         * gcov-tool.c (gcov_output_files): Validate that destination
18168         file is either removed by the tool or by a user.
18169
18170 2017-04-14  Andrew Burgess  <andrew.burgess@embecosm.com>
18171             Guy Benyei  <guybe@mellanox.com>
18172
18173         * config/arc/arc.c (arc_reorg): Move loop_end_id into a more local
18174         block, and do not negate it, the stored id is already negative.
18175
18176 2017-04-14  Andrew Burgess  <andrew.burgess@embecosm.com>
18177
18178         * config/arc/arc.md (doloop_begin_i): Use @pcl assembler syntax.
18179
18180 2017-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
18181
18182         PR target/80098
18183         * config/rs6000/rs6000-cpus.def (OTHER_P9_VECTOR_MASKS): Define
18184         masks of options that should be turned off if the VSX vector
18185         options are turned off.
18186         (OTHER_P8_VECTOR_MASKS): Likewise.
18187         (OTHER_VSX_VECTOR_MASKS): Likewise.
18188         * config/rs6000/rs6000.c (rs6000_option_override_internal): Call
18189         rs6000_disable_incompatible_switches to validate no type switches
18190         like -mvsx.
18191         (rs6000_incompatible_switch): New function to disallow turning on
18192         other vector options if -mno-vsx, -mno-power8-vector, or
18193         -mno-power9-vector are specified.
18194
18195 2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>
18196
18197         * config/arc/arc.h (CRT_CALL_STATIC_FUNCTION): Use long calls.
18198
18199 2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>
18200
18201         * config/arc/arc-protos.h (arc_decl_pretend_args): Remove.
18202         * config/arc/arc.c (arc_decl_pretend_args): Likewise.
18203         * config/arc/arc.h (CFA_FRAME_BASE_OFFSET): Likewise.
18204         (ARG_POINTER_CFA_OFFSET): Likewise.
18205
18206 2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>
18207
18208         * config/arc/arc.c (arc_mode_dependent_address_p): Relax
18209         conditions to take advantage of various optimizations.
18210
18211 2017-04-13  Jeff Law  <law@redhat.com>
18212
18213         * config/mips.mips.md (zero_extendsidi2): Do not allow SP to appear
18214         in operands[1] if it is a MEM and TARGET_MIPS16 is active.
18215         (zero_extendsidi2_dext): Likewise.
18216
18217 2017-04-13  Jakub Jelinek  <jakub@redhat.com>
18218
18219         PR sanitizer/80403
18220         * fold-const.c (fold_ternary_loc): Revert
18221         use op0 instead of fold_convert_loc (loc, type, arg0) part of
18222         2017-04-12 change.
18223
18224 2017-04-13  Vladimir Makarov  <vmakarov@redhat.com>
18225
18226         PR rtl-optimization/80343
18227         * lra-remat.c (update_scratch_ops): Assign original hard reg to
18228         new scratch pseudo.
18229
18230 2017-04-13  Denis Khalikov <d.khalikov@partner.samsung.com>
18231
18232         PR sanitizer/80414
18233         * ubsan.c (ubsan_expand_bounds_ifn): Pass original index
18234         to ubsan_encode_value.
18235
18236 2017-04-13  Jeff Law  <law@redhat.com>
18237
18238         * reload1.c (eliminate_regs_1): Call gen_rtx_raw_SUBREG for SUBREGs
18239         appearing in DEBUG_INSNs.
18240
18241 2017-04-13  Martin Liska  <mliska@suse.cz>
18242
18243         PR gcov-profile/80413
18244         * gcov-io.c (gcov_write_string): Copy to buffer just when
18245         allocated size is greater than zero.
18246
18247 2017-04-13  Jakub Jelinek  <jakub@redhat.com>
18248
18249         PR debug/80321
18250         * dwarf2out.c (decls_for_scope): Ignore declarations of
18251         current_function_decl in BLOCK_NONLOCALIZED_VARS.
18252
18253 2017-04-12  Jan Hubicka  <hubicka@ucw.cz>
18254
18255         PR lto/69953
18256         * ipa-visibility.c (non_local_p): Fix typos.
18257         (localize_node): When localizing symbol in same comdat group,
18258         dissolve the group only when we know external symbols are going
18259         to be privatized.
18260         (function_and_variable_visibility): Do not localize DECL_EXTERNAL.
18261
18262 2017-04-12  Jakub Jelinek  <jakub@redhat.com>
18263
18264         PR tree-optimization/79390
18265         * optabs.c (emit_conditional_move): If the preferred op2/op3 operand
18266         order does not result in usable sequence, retry with reversed operand
18267         order.
18268
18269         PR sanitizer/80403
18270         PR sanitizer/80404
18271         PR sanitizer/80405
18272         * fold-const.c (fold_ternary_loc): Use op1 instead of arg1 as argument
18273         to fold_build2_loc.  Convert TREE_OPERAND (tem, 0) to type.  Use
18274         op0 instead of fold_convert_loc (loc, type, arg0).
18275
18276 2017-04-12  Jeff Law  <law@redhat.com>
18277
18278         * genattrtab.c (write_eligible_delay): Verify DELAY_INSN still
18279         has a delay slot in the generated code.
18280
18281         * config/cris/cris.md (cris_preferred_reload_class): Return
18282         GENNONACR_REGS rather than GENERAL_REGS.
18283
18284 2017-04-12  Jakub Jelinek  <jakub@redhat.com>
18285
18286         PR c/80163
18287         * expr.c <CASE_CONVERT>: For EXPAND_INITIALIZER determine SIGN_EXTEND
18288         vs. ZERO_EXTEND based on signedness of treeop0's type rather than
18289         signedness of the result type.
18290
18291 2017-04-12  Richard Biener  <rguenther@suse.de>
18292             Jeff Law  <law@redhat.com>
18293
18294         PR tree-optimization/80359
18295         * tree-ssa-dse.c (maybe_trim_partially_dead_store): Do not
18296         trim stores to TARGET_MEM_REFs.
18297
18298 2017-04-12  Richard Biener  <rguenther@suse.de>
18299
18300         PR tree-optimization/79390
18301         * gimple-ssa-split-paths.c (is_feasible_trace): Restrict
18302         threading case even more.
18303
18304 2017-04-12  Segher Boessenkool  <segher@kernel.crashing.org>
18305
18306         PR target/80382
18307         * config/rs6000/sync.md (atomic_load<mode>, atomic_store<mode): Test
18308         for quad_address_p for TImode, instead of just not indexed_address.
18309
18310 2017-04-12  Richard Biener  <rguenther@suse.de>
18311             Bernd Edlinger  <bernd.edlinger@hotmail.de>
18312
18313         PR middle-end/79671
18314         * alias.c (component_uses_parent_alias_set_from): Handle
18315         TYPE_TYPELESS_STORAGE.
18316         (get_alias_set): Likewise.
18317         * tree-core.h (tree_type_common): Add typeless_storage flag.
18318         * tree.h (TYPE_TYPELESS_STORAGE): New macro.
18319         * stor-layout.c (place_union_field): Set TYPE_TYPELESS_STORAGE
18320         for types containing members with TYPE_TYPELESS_STORAGE.
18321         (place_field): Likewise.
18322         (layout_type): Likewise for ARRAY_TYPE.
18323         * lto-streamer-out.c (hash_tree): Hash TYPE_TYPELESS_STORAGE.
18324         * tree-streamer-in.c (unpack_ts_type_common_value_fields): Stream
18325         TYPE_TYPELESS_STORAGE.
18326         * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
18327
18328 2017-04-12  Jakub Jelinek  <jakub@redhat.com>
18329
18330         PR sanitizer/80349
18331         * fold-const.c (fold_binary_loc) <case BIT_IOR_EXPR>: Convert arg0's
18332         first argument to type.
18333
18334 2017-04-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
18335
18336         PR target/80376
18337         PR target/80315
18338         * config/rs6000/rs6000.c (rs6000_expand_unop_builtin): Return
18339         CONST0_RTX (mode) rather than const0_rtx where appropriate.
18340         (rs6000_expand_binop_builtin): Likewise.
18341         (rs6000_expand_ternop_builtin): Likewise; also add missing
18342         vsx_xxpermdi_* variants; also fix typo (arg1 => arg2) for
18343         vshasigma built-ins.
18344         * doc/extend.texi: Document that vec_xxpermdi's third argument
18345         must be a constant.
18346
18347 2017-04-11  Uros Bizjak  <ubizjak@gmail.com>
18348
18349         * config/i386/i386.c (dimode_scalar_chain::compute_convert_gain):
18350         Use shift_const cost parameter when calculating gain of STV shifts.
18351
18352 2017-04-11  Vladimir Makarov  <vmakarov@redhat.com>
18353
18354         PR rtl-optimization/70478
18355         * lra-constraints.c (process_alt_operands): Check memory for
18356         disfavoring memory insn operand.
18357
18358 2017-04-11  Jakub Jelinek  <jakub@redhat.com>
18359
18360         PR middle-end/80100
18361         * simplify-rtx.c (simplify_binary_operation_1) <case IOR>: Perform
18362         left shift in unsigned HOST_WIDE_INT type.
18363
18364         PR rtl-optimization/80385
18365         * simplify-rtx.c (simplify_unary_operation_1): Don't transform
18366         (not (neg X)) into (plus X -1) for complex or non-integral modes.
18367
18368         PR libgomp/80394
18369         * omp-low.c (scan_omp_task): Don't optimize away empty tasks
18370         if they have any depend clauses.
18371
18372 2017-04-11  Martin Liska  <mliska@suse.cz>
18373
18374         PR ipa/80212
18375         * cgraph.c (cgraph_node::dump): Dump calls_comdat_local.
18376         * ipa-split.c (split_function): Create a local comdat symbol
18377         if caller is in a comdat group.
18378
18379 2017-04-11  Martin Liska  <mliska@suse.cz>
18380
18381         PR ipa/80212
18382         * ipa-cp.c (determine_versionability): Handle calls_comdat_local
18383         flags.
18384
18385 2017-04-11  Martin Sebor  <msebor@redhat.com>
18386
18387         PR middle-end/80364
18388         * gimple-ssa-sprintf.c (get_int_range): Remove second argument and
18389         always use the int type.  Use INTEGRAL_TYPE_P() rather than testing
18390         for INTEGER_TYPE.
18391         (directive::set_width, directive::set_precision, format_character):
18392         Adjust.
18393         (parse_directive): Use INTEGRAL_TYPE_P() rather than testing for
18394         INTEGER_TYPE.
18395
18396 2017-04-11  Richard Earnshaw  <rearnsha@arm.com>
18397
18398         PR target/80389
18399         * config/arm/arm.c (arm_configure_build_target): When -mcpu and -arch
18400         conflict, set target->arch_name instead of target->cpu_name.
18401
18402 2017-04-11  Richard Biener  <rguenther@suse.de>
18403
18404         PR tree-optimization/80374
18405         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Use
18406         build_zero_cst, remove fold_convertible_p check again.
18407
18408 2017-04-11  Martin Liska  <mliska@suse.cz>
18409
18410         PR sanitizer/70878
18411         * ubsan.c (instrument_object_size): Do not instrument register
18412         variables.
18413
18414 2017-04-11  Jakub Jelinek  <jakub@redhat.com>
18415
18416         PR target/80381
18417         * config/i386/i386-builtin-types.def
18418         (V16HI_FTYPE_V16HI_INT_V16HI_UHI_COUNT,
18419         V16HI_FTYPE_V16HI_V8HI_V16HI_UHI_COUNT,
18420         V16SI_FTYPE_V16SI_INT_V16SI_UHI_COUNT,
18421         V16SI_FTYPE_V16SI_V4SI_V16SI_UHI_COUNT,
18422         V2DI_FTYPE_V2DI_INT_V2DI_UQI_COUNT,
18423         V2DI_FTYPE_V2DI_V2DI_V2DI_UQI_COUNT,
18424         V32HI_FTYPE_V32HI_INT_V32HI_USI_COUNT,
18425         V32HI_FTYPE_V32HI_V8HI_V32HI_USI_COUNT,
18426         V4DI_FTYPE_V4DI_INT_V4DI_UQI_COUNT,
18427         V4DI_FTYPE_V4DI_V2DI_V4DI_UQI_COUNT,
18428         V4SI_FTYPE_V4SI_INT_V4SI_UQI_COUNT,
18429         V4SI_FTYPE_V4SI_V4SI_V4SI_UQI_COUNT,
18430         V8DI_FTYPE_V8DI_INT_V8DI_UQI_COUNT,
18431         V8DI_FTYPE_V8DI_V2DI_V8DI_UQI_COUNT,
18432         V8HI_FTYPE_V8HI_INT_V8HI_UQI_COUNT,
18433         V8HI_FTYPE_V8HI_V8HI_V8HI_UQI_COUNT,
18434         V8SI_FTYPE_V8SI_INT_V8SI_UQI_COUNT,
18435         V8SI_FTYPE_V8SI_V4SI_V8SI_UQI_COUNT): New function type aliases.
18436         * config/i386/i386-builtin.def (__builtin_ia32_pslld512_mask,
18437         __builtin_ia32_pslldi512_mask, __builtin_ia32_psllq512_mask,
18438         __builtin_ia32_psllqi512_mask, __builtin_ia32_psrad512_mask,
18439         __builtin_ia32_psradi512_mask, __builtin_ia32_psraq512_mask,
18440         __builtin_ia32_psraqi512_mask, __builtin_ia32_psrld512_mask,
18441         __builtin_ia32_psrldi512_mask, __builtin_ia32_psrlq512_mask,
18442         __builtin_ia32_psrlqi512_mask, __builtin_ia32_psllwi128_mask,
18443         __builtin_ia32_pslldi128_mask, __builtin_ia32_psllqi128_mask,
18444         __builtin_ia32_psllw128_mask, __builtin_ia32_pslld128_mask,
18445         __builtin_ia32_psllq128_mask, __builtin_ia32_psllwi256_mask,
18446         __builtin_ia32_psllw256_mask, __builtin_ia32_pslldi256_mask,
18447         __builtin_ia32_pslld256_mask, __builtin_ia32_psllqi256_mask,
18448         __builtin_ia32_psllq256_mask, __builtin_ia32_psradi128_mask,
18449         __builtin_ia32_psrad128_mask, __builtin_ia32_psradi256_mask,
18450         __builtin_ia32_psrad256_mask, __builtin_ia32_psraqi128_mask,
18451         __builtin_ia32_psraq128_mask, __builtin_ia32_psraqi256_mask,
18452         __builtin_ia32_psraq256_mask, __builtin_ia32_psrldi128_mask,
18453         __builtin_ia32_psrld128_mask, __builtin_ia32_psrldi256_mask,
18454         __builtin_ia32_psrld256_mask, __builtin_ia32_psrlqi128_mask,
18455         __builtin_ia32_psrlq128_mask, __builtin_ia32_psrlqi256_mask,
18456         __builtin_ia32_psrlq256_mask, __builtin_ia32_psrawi256_mask,
18457         __builtin_ia32_psraw256_mask, __builtin_ia32_psrawi128_mask,
18458         __builtin_ia32_psraw128_mask, __builtin_ia32_psrlwi256_mask,
18459         __builtin_ia32_psrlw256_mask, __builtin_ia32_psrlwi128_mask,
18460         __builtin_ia32_psrlw128_mask, __builtin_ia32_psllwi512_mask,
18461         __builtin_ia32_psllw512_mask, __builtin_ia32_psrawi512_mask,
18462         __builtin_ia32_psraw512_mask, __builtin_ia32_psrlwi512_mask,
18463         __builtin_ia32_psrlw512_mask): Use _COUNT suffixed function type
18464         aliases.
18465         * config/i386/i386.c (ix86_expand_args_builtin): Rename last_arg_count
18466         flag to second_arg_count, handle 4 argument function type _COUNT
18467         aliases, handle second_arg_count on second argument rather than last.
18468
18469 2017-04-10  Jeff Law  <law@redhat.com>
18470
18471         PR tree-optimization/80374
18472         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Do not try to
18473         record anything if we can not convert integer_zero_node to the
18474         desired type.
18475
18476 2017-04-10  Kelvin Nilsen  <kelvin@gcc.gnu.org>
18477
18478         PR target/80108
18479         * config/rs6000/rs6000.c (rs6000_option_override_internal):
18480         Enhance special handling given to the TARGET_P9_MINMAX option in
18481         relation to certain other options.
18482
18483 2017-04-10  Bin Cheng  <bin.cheng@arm.com>
18484
18485         PR tree-optimization/80153
18486         * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Check and
18487         remove POINTER_PLUS_EXPR's base part directly, rather than through
18488         aff_tree.
18489
18490 2017-04-10  Richard Biener  <rguenther@suse.de>
18491             Bin Cheng  <bin.cheng@arm.com>
18492
18493         PR tree-optimization/80153
18494         * tree-affine.c (aff_combination_to_tree): Get base pointer from
18495         the first element of pointer type aff_tree.  Build result expr in
18496         aff_tree's type.
18497         (add_elt_to_tree): Convert to type unconditionally.  Remove other
18498         fold_convert calls.
18499         * tree-ssa-loop-ivopts.c (alloc_iv): Pass in consistent types.
18500         (rewrite_use_nonlinear_expr): Check invariant using iv information.
18501
18502 2017-04-10  Richard Biener  <rguenther@suse.de>
18503
18504         * tree-ssa-structalias.c (find_func_aliases): Properly handle
18505         asm inputs.
18506
18507 2017-04-10  Vladimir Makarov  <vmakarov@redhat.com>
18508
18509         PR rtl-optimization/70478
18510         * lra-constraints.c (curr_small_class_check): New.
18511         (update_and_check_small_class_inputs): New.
18512         (process_alt_operands): Update curr_small_class_check.  Disfavor
18513         alternative insn memory operands.  Check available regs for small
18514         class operands.
18515
18516 2017-03-31  Matthew Fortune  <matthew.fortune@imgtec.com>
18517
18518         PR target/80057
18519         * config/mips/mips.opt (-mvirt): Update description.
18520         * doc/invoke.texi (-mvirt): Likewise.
18521
18522 2017-04-10  Richard Biener  <rguenther@suse.de>
18523
18524         PR middle-end/80362
18525         * fold-const.c (fold_binary_loc): Look at unstripped ops when
18526         looking for NEGATE_EXPR in -A / -B to A / B folding.
18527
18528 2017-04-10  Martin Liska  <mliska@suse.cz>
18529
18530         PR gcov-profile/80224
18531         * gcov.c (print_usage): Fix usage string.
18532         (get_gcov_intermediate_filename): Remove.
18533         (output_gcov_file): Use both for normal and intermediate format.
18534         (generate_results): Do not initialize special file for
18535         intermediate format.
18536
18537 2017-04-10  Richard Biener  <rguenther@suse.de>
18538
18539         PR tree-optimization/80304
18540         * tree-ssa-loop-im.c (ref_indep_loop_p_1): Also recurse
18541         for safelen.
18542
18543 2017-04-10  Nathan Sidwell  <nathan@acm.org>
18544
18545         PR target/79905
18546         * config/rs6000/rs6000.c (rs6000_vector_type): New.
18547         (rs6000_init_builtins): Use it.
18548
18549 2016-04-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
18550
18551         * config/arm/arm.md (<mrc>): Add mode to SET source.
18552         (<mrrc>): Likewise.
18553
18554 2017-04-10  Richard Biener  <rguenther@suse.de>
18555
18556         PR middle-end/80344
18557         * gimplify.c (is_gimple_mem_rhs_or_call): Allow CLOBBERs.
18558
18559 2017-04-10  Jakub Jelinek  <jakub@redhat.com>
18560
18561         PR target/80324
18562         * config/i386/avx512fintrin.h (_mm512_reduce_add_epi32,
18563         _mm512_reduce_mul_epi32, _mm512_reduce_and_epi32,
18564         _mm512_reduce_or_epi32, _mm512_mask_reduce_add_epi32,
18565         _mm512_mask_reduce_mul_epi32, _mm512_mask_reduce_and_epi32,
18566         _mm512_mask_reduce_or_epi32, _mm512_reduce_min_epi32,
18567         _mm512_reduce_max_epi32, _mm512_reduce_min_epu32,
18568         _mm512_reduce_max_epu32, _mm512_mask_reduce_min_epi32,
18569         _mm512_mask_reduce_max_epi32, _mm512_mask_reduce_min_epu32,
18570         _mm512_mask_reduce_max_epu32, _mm512_reduce_add_ps,
18571         _mm512_reduce_mul_ps, _mm512_mask_reduce_add_ps,
18572         _mm512_mask_reduce_mul_ps, _mm512_reduce_min_ps, _mm512_reduce_max_ps,
18573         _mm512_mask_reduce_min_ps, _mm512_mask_reduce_max_ps,
18574         _mm512_reduce_add_epi64, _mm512_reduce_mul_epi64,
18575         _mm512_reduce_and_epi64, _mm512_reduce_or_epi64,
18576         _mm512_mask_reduce_add_epi64, _mm512_mask_reduce_mul_epi64,
18577         _mm512_mask_reduce_and_epi64, _mm512_mask_reduce_or_epi64,
18578         _mm512_reduce_min_epi64, _mm512_reduce_max_epi64,
18579         _mm512_mask_reduce_min_epi64, _mm512_mask_reduce_max_epi64,
18580         _mm512_reduce_min_epu64, _mm512_reduce_max_epu64,
18581         _mm512_mask_reduce_min_epu64, _mm512_mask_reduce_max_epu64,
18582         _mm512_reduce_add_pd, _mm512_reduce_mul_pd, _mm512_mask_reduce_add_pd,
18583         _mm512_mask_reduce_mul_pd, _mm512_reduce_min_pd, _mm512_reduce_max_pd,
18584         _mm512_mask_reduce_min_pd, _mm512_mask_reduce_max_pd): New intrinsics.
18585
18586 2017-04-08  Vladimir Makarov  <vmakarov@redhat.com>
18587
18588         PR rtl-optimization/70478
18589         * lra-constraints.c: Reverse the last patch.
18590
18591 2017-04-08  Andreas Tobler  <andreast@gcc.gnu.org>
18592
18593         * config/aarch64/aarch64-freebsd.h: Define MCOUNT_NAME.
18594         Add comment for WCHAR_T.
18595
18596 2017-04-08  Martin Liska  <mliska@suse.cz>
18597
18598         Revert:
18599         2017-04-07  Martin Liska  <mliska@suse.cz>
18600
18601         PR ipa/80212
18602         * ipa-split.c (split_function): Add function part to a same comdat
18603         group.
18604
18605 2017-04-08  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
18606
18607         PR target/80358
18608         * config/rs6000/rs6000.c (expand_block_compare): Fix boundary check.
18609
18610 2017-04-07  Pat Haugen  <pthaugen@us.ibm.com>
18611
18612         * rs6000/rs6000.c (vec_load_pendulum): Rename...
18613         (vec_pairing): ...to this.
18614         (power9_sched_reorder2): Rewrite code for pairing vector/vecload insns.
18615         (rs6000_sched_init): Adjust for name change.
18616         (struct rs6000_sched_context): Likewise.
18617         (rs6000_init_sched_context): Likewise.
18618         (rs6000_set_sched_context): Likewise.
18619
18620 2017-04-07  Jakub Jelinek  <jakub@redhat.com>
18621
18622         PR target/80322
18623         PR target/80323
18624         PR target/80325
18625         PR target/80326
18626         * config/i386/avxintrin.h (_mm256_cvtsd_f64, _mm256_cvtss_f32): New
18627         intrinsics.
18628         * config/i386/avx512fintrin.h (_mm512_int2mask, _mm512_mask2int,
18629         _mm512_abs_ps, _mm512_mask_abs_ps, _mm512_abs_pd, _mm512_mask_abs_pd,
18630         _mm512_cvtsd_f64, _mm512_cvtss_f32): Likewise.
18631
18632 2017-04-07  Andreas Tobler  <andreast@gcc.gnu.org>
18633
18634         * config/aarch64/aarch64-freebsd.h: Define WCHAR_TYPE.
18635
18636 2017-04-07  Vladimir Makarov  <vmakarov@redhat.com>
18637
18638         PR rtl-optimization/70703
18639         * ira-color.c (update_conflict_hard_regno_costs): Use
18640         int64_t instead of HOST_WIDE_INT.
18641
18642 2017-04-07  Vladimir Makarov  <vmakarov@redhat.com>
18643
18644         PR rtl-optimization/70478
18645         * lra-constraints.c (process_alt_operands): Disfavor alternative
18646         insn memory operands.
18647
18648 2017-04-07  Jeff Law  <law@redhat.com>
18649
18650         * config/iq2000/iq2000.c (final_prescan_insn): Do not separate a
18651         CALL and NOTE_INSN_CALL_ARG_LOCATION.
18652
18653 2017-04-07  Martin Liska  <mliska@suse.cz>
18654
18655         PR target/79889
18656         * config/aarch64/aarch64.c (aarch64_process_target_attr):
18657         Show error message instead of an ICE.
18658
18659 2017-04-07  Martin Liska  <mliska@suse.cz>
18660
18661         PR ipa/80212
18662         * ipa-split.c (split_function): Add function part to a same comdat
18663         group.
18664
18665 2017-04-07  Richard Biener  <rguenther@suse.de>
18666
18667         PR middle-end/80341
18668         * tree.c (get_unwidened): Also handle ! for_type case for
18669         INTEGER_CSTs.
18670         * convert.c (do_narrow): Split out from ...
18671         (convert_to_integer_1): ... here.  Do not pass final truncation
18672         type to get_unwidened for TRUNC_DIV_EXPR.
18673
18674 2017-04-07  Richard Biener  <rguenther@suse.de>
18675
18676         * tree-affine.c (wide_int_ext_for_comb): Take type rather
18677         than aff_tree.
18678         (aff_combination_const): Adjust.
18679         (aff_combination_scale): Likewise.
18680         (aff_combination_add_elt): Likewise.
18681         (aff_combination_add_cst): Likewise.
18682         (aff_combination_convert): Likewise.
18683         (add_elt_to_tree): Likewise.  Remove unused argument.
18684         (aff_combination_to_tree): Adjust calls to add_elt_to_tree.
18685
18686 2017-04-07  Sebastian Huber  <sebastian.huber@embedded-brains.de>
18687
18688         * config/arm/arm.h (ARM_DEFAULT_SHORT_ENUMS): Provide default
18689         definition.
18690         * config/arm/arm.c (arm_default_short_enums): Use
18691         ARM_DEFAULT_SHORT_ENUMS.
18692         * config/arm/rtems.h (ARM_DEFAULT_SHORT_ENUMS): Define.
18693
18694 2017-04-06  Jakub Jelinek  <jakub@redhat.com>
18695
18696         PR debug/80234
18697         * dwarf2out.c (gen_member_die): Handle C++17 inline static data
18698         members with redundant out-of-class redeclaration.
18699
18700 2017-04-06  Uros Bizjak  <ubizjak@gmail.com>
18701
18702         PR target/80286
18703         * config/i386/sse.md (*vec_extractv4si_0_zext_sse4): New pattern.
18704         * config/i386/i386.md (*zero_extendsidi2):
18705         Add (?*x,*x) and (?*v,*v) alternatives.
18706
18707 2017-04-06  Uros Bizjak  <ubizjak@gmail.com>
18708
18709         PR target/79733
18710         * config/i386/i386.c (ix86_expand_builtin)
18711         <case IX86_BUILTIN_K{,OR}TEST{C,Z}{8,16,32,64}>: Determine insn operand
18712         mode from insn data. Convert operands to insn operand mode.
18713         Copy operands that don't satisfy insn predicate to a register.
18714
18715 2017-04-06  Sam Thursfield  <sam.thursfield@codethink.co.uk>
18716
18717         * config/rs6000/x-aix: Increase memory limit for genautomata on AIX.
18718         Update comments.
18719
18720 2017-04-06  Richard Biener  <rguenther@suse.de>
18721
18722         PR tree-optimization/80334
18723         * tree-ssa-loop-ivopts.c (rewrite_use_address): Properly
18724         preserve alignment of accesses.
18725
18726 2017-04-06  Richard Biener  <rguenther@suse.de>
18727
18728         PR tree-optimization/80262
18729         * tree-sra.c (build_ref_for_offset): Preserve address-space
18730         information.
18731         * tree-ssa-sccvn.c (vn_reference_maybe_forwprop_address):
18732         Drop useless address-space information on MEM_REF offsets.
18733
18734 2017-04-05  Andreas Schwab  <schwab@linux-m68k.org>
18735
18736         * builtins.def (BUILT_IN_UPDATE_SETJMP_BUF): Fix type.
18737
18738 2017-04-05  Vladimir Makarov  <vmakarov@redhat.com>
18739
18740         PR rtl-optimization/70703
18741         * ira-color.c (update_conflict_hard_regno_costs): Use
18742         HOST_WIDE_INT instead of long.
18743
18744 2017-04-05  Uros Bizjak  <ubizjak@gmail.com>
18745
18746         PR target/80298
18747         * config/i386/mmintrin.h: Add -msse target option when __SSE__ is
18748         not defined for x86_64 target.  Add -mmmx target option when __SSE2__
18749         is not defined.
18750         * config/i386/mm3dnow.h: Add -msse target when __SSE__ is not defined
18751         for x86_64 target.  Handle -m3dnowa option.
18752
18753 2017-04-05  Vladimir Makarov  <vmakarov@redhat.com>
18754
18755         PR rtl-optimization/70703
18756         * ira-color.c (update_costs_from_allocno): Use the smallest mode.
18757         (update_conflict_hard_regno_costs): Use long instead of unsigned
18758         arithmetic for cost calculation.
18759
18760 2017-04-05  Jakub Jelinek  <jakub@redhat.com>
18761             Bernd Edlinger  <bernd.edlinger@hotmail.de>
18762
18763         PR sanitizer/80308
18764         * asan.c (asan_store_shadow_bytes): Fix location of last_chunk_value
18765         for big endian.
18766
18767 2017-04-05  Eric Botcazou  <ebotcazou@adacore.com>
18768
18769         PR target/78002
18770         * config/aarch64/aarch64.c (aarch64_emit_probe_stack_range): Replace
18771         ptr_mode with Pmode throughout.
18772         * config/aarch64/aarch64.md (probe_stack_range_<PTR:mode): Rename
18773         into probe_stack_range and use DImode.
18774
18775 2017-04-05  Dominik Vogt  <vogt@linux.vnet.ibm.com>
18776
18777         PR target/79890
18778         * config/s390/s390.c (s390_register_info_gprtofpr): Return if
18779         call_eh_return is true.
18780
18781 2017-04-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
18782
18783         * config/s390/s390-c.c (s390_resolve_overloaded_builtin):
18784         Initialize last_match_fntype_index.
18785
18786 2017-04-05  Jakub Jelinek  <jakub@redhat.com>
18787
18788         PR target/80310
18789         * tree-nvr.c: Include internal-fn.h.
18790         (pass_return_slot::execute): Ignore internal calls without
18791         direct optab.
18792
18793 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
18794             Richard Biener  <rguenther@suse.de>
18795
18796         PR c++/80297
18797         * genmatch.c (capture::gen_transform): For GENERIC unshare_expr
18798         captures used multiple times, except for the last use.
18799         * generic-match-head.c: Include gimplify.h.
18800
18801 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
18802
18803         PR tree-optimization/79390
18804         * target.h (struct noce_if_info): Declare.
18805         * targhooks.h (default_noce_conversion_profitable_p): Declare.
18806         * target.def (noce_conversion_profitable_p): New target hook.
18807         * ifcvt.h (struct noce_if_info): New type, moved from ...
18808         * ifcvt.c (struct noce_if_info): ... here.
18809         (noce_conversion_profitable_p): Renamed to ...
18810         (default_noce_conversion_profitable_p): ... this.  No longer
18811         static nor inline.
18812         (noce_try_store_flag_constants, noce_try_addcc,
18813         noce_try_store_flag_mask, noce_try_cmove, noce_try_cmove_arith,
18814         noce_convert_multiple_sets): Use targetm.noce_conversion_profitable_p
18815         instead of noce_conversion_profitable_p.
18816         * config/i386/i386.c: Include ifcvt.h.
18817         (ix86_option_override_internal): Don't override
18818         PARAM_MAX_RTL_IF_CONVERSION_INSNS default.
18819         (ix86_noce_conversion_profitable_p): New function.
18820         (TARGET_NOCE_CONVERSION_PROFITABLE_P): Redefine.
18821         * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): Adjust comment.
18822         * doc/tm.texi.in (TARGET_NOCE_CONVERSION_PROFITABLE_P): Add.
18823         * doc/tm.texi: Regenerated.
18824
18825 2017-04-04  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
18826
18827         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Grammar
18828         correction.
18829
18830 2017-04-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
18831
18832         PR target/80307
18833         * config/arm/arm.c (thumb1_rtx_costs): Give a cost of 32
18834         instructions for small multiply cores.
18835
18836 2017-04-04  Jeff Law  <law@redhat.com>
18837
18838         * config/mips/mips.c (mips_multi_add): Zero initialize the newly
18839         added member.
18840         (mips_expand_vec_perm_const): Initialize elements in orig_perm
18841         that are not set by the loop over the elements.
18842
18843 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
18844
18845         PR target/80286
18846         * config/i386/i386.c (ix86_expand_args_builtin): If op has scalar
18847         int mode, convert_modes it to mode as unsigned, otherwise use
18848         lowpart_subreg to mode rather than SImode.
18849         * config/i386/sse.md (<mask_codefor>ashr<mode>3<mask_name>,
18850         ashr<mode>3, ashr<mode>3<mask_name>, <shift_insn><mode>3<mask_name>):
18851         Use DImode instead of SImode for the shift count operand.
18852         * config/i386/mmx.md (mmx_ashr<mode>3, mmx_<shift_insn><mode>3):
18853         Likewise.
18854
18855 2017-04-04  Richard Biener  <rguenther@suse.de>
18856
18857         PR middle-end/80281
18858         * match.pd (A + (-B) -> A - B): Make sure to preserve unsigned
18859         arithmetic done for the negate or the plus.  Simplify.
18860         (A - (-B) -> A + B): Likewise.
18861         * fold-const.c (split_tree): Make sure to not negate pointers.
18862
18863 2017-04-04  Segher Boessenkool  <segher@kernel.crashing.org>
18864
18865         PR rtl-optimization/60818
18866         * simplify-rtx.c (simplify_binary_operation_1): Do not replace
18867         a compare of comparisons with the thing compared if this results
18868         in a different machine mode.
18869
18870 2017-04-03  Jonathan Wakely  <jwakely@redhat.com>
18871
18872         * alias.c (base_alias_check): Fix typo in comment.
18873         * cgraph.h (class ipa_polymorphic_call_context): Likewise.
18874         * cgraphunit.c (symbol_table::compile): Likewise.
18875         * collect2.c (maybe_run_lto_and_relink): Likewise.
18876         * config/arm/arm.c (arm_thumb1_mi_thunk): Likewise.
18877         * config/avr/avr-arch.h (avr_arch_info_t): Likewise.
18878         * config/avr/avr.c (avr_map_op_t): Likewise.
18879         * config/cr16/cr16.h (DATA_ALIGNMENT): Likewise.
18880         * config/epiphany/epiphany.c (TARGET_ARG_PARTIAL_BYTES): Likewise.
18881         * config/epiphany/epiphany.md (movcc): Likewise.
18882         * config/i386/i386.c (legitimize_pe_coff_extern_decl): Likewise.
18883         * config/m68k/m68k.c (struct _sched_ib, m68k_sched_variable_issue):
18884         Likewise.
18885         * config/mips/mips.c (mips_save_restore_reg): Likewise.
18886         * config/rx/rx.c (rx_is_restricted_memory_address): Likewise.
18887         * config/s390/s390.c (Z10_EARLYLOAD_DISTANCE): Likewise.
18888         * config/sh/sh.c (sh_rtx_costs): Likewise.
18889         * fold-const.c (fold_truth_andor): Likewise.
18890         * genautomata.c (collapse_flag): Likewise.
18891         * gengtype.h (struct type::u::s): Likewise.
18892         * gensupport.c (has_subst_attribute, add_mnemonic_string): Likewise.
18893         * input.c (FORMAT_AMOUNT): Likewise.
18894         * ipa-cp.c (class ipcp_lattice, agg_replacements_to_vector)
18895         (known_aggs_to_agg_replacement_list): Likewise.
18896         * ipa-inline-analysis.c: Likewise.
18897         * ipa-inline.h (estimate_edge_time, estimate_edge_hints): Likewise.
18898         * ipa-polymorphic-call.c
18899         (ipa_polymorphic_call_context::restrict_to_inner_class): Likewise.
18900         * loop-unroll.c (analyze_insn_to_expand_var): Likewise.
18901         * lra.c (lra_optional_reload_pseudos, lra_subreg_reload_pseudos):
18902         Likewise.
18903         * modulo-sched.c (apply_reg_moves): Likewise.
18904         * omp-expand.c (build_omp_regions_1): Likewise.
18905         * trans-mem.c (struct tm_wrapper_hasher): Likewise.
18906         * tree-ssa-loop-ivopts.c (may_eliminate_iv): Likewise.
18907         * tree-ssa-loop-niter.c (maybe_lower_iteration_bound): Likewise.
18908         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
18909         * value-prof.c: Likewise.
18910         * var-tracking.c (val_reset): Likewise.
18911
18912 2017-04-03  Richard Biener  <rguenther@suse.de>
18913
18914         PR tree-optimization/80275
18915         * fold-const.c (split_address_to_core_and_offset): Handle
18916         POINTER_PLUS_EXPR.
18917
18918 2017-04-03  Eric Botcazou  <ebotcazou@adacore.com>
18919
18920         * tree-nested.c (get_descriptor_type): Make sure that the alignment of
18921         descriptors is at least equal to that of functions.
18922
18923 2017-04-02  Uros Bizjak  <ubizjak@gmail.com>
18924
18925         * config/i386/sse.md (movdi_to_sse): Add missing DONE.
18926
18927 2017-04-02  Uros Bizjak  <ubizjak@gmail.com>
18928
18929         PR target/80250
18930         * config/i386/sse.md (mov<IMOD4:mode>): Remove insn pattern.
18931         (mov<IMOD4:mode>): New expander.
18932         (*mov<IMOD4:mode>_internal): New insn and split pattern.
18933
18934 2017-03-31  Segher Boessenkool  <segher@kernel.crashing.org>
18935
18936         PR rtl-optimization/79405
18937         * fwprop.c (propagations_left): New variable.
18938         (forward_propagate_into): Decrement it.
18939         (fwprop_init): Initialize it.
18940         (fw_prop): If the variable has reached zero, stop propagating.
18941         (fwprop_addr): Ditto.
18942
18943 2017-03-31  Jakub Jelinek  <jakub@redhat.com>
18944
18945         PR debug/79255
18946         * dwarf2out.c (decls_for_scope): If BLOCK_NONLOCALIZED_VAR is
18947         a FUNCTION_DECL, pass it as decl instead of origin to
18948         process_scope_var.
18949
18950 2017-03-31  Alexander Monakov  <amonakov@ispras.ru>
18951
18952         * config/nvptx/nvptx.c (nvptx_output_softstack_switch): Correct format
18953         string.
18954
18955 2017-03-31  Pat Haugen  <pthaugen@us.ibm.com>
18956
18957         PR target/80107
18958         * config/rs6000/rs6000.md (extendhi<mode>2): Add test for
18959         TARGET_VSX_SMALL_INTEGER.
18960
18961 2017-03-31  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
18962
18963         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Add
18964         reference to the OpenPOWER 64-Bit ELF V2 ABI Specification.
18965
18966 2017-03-31  Matthew Fortune  <matthew.fortune@imgtec.com>
18967
18968         * config/mips/mips-msa.md (msa_vec_extract_<msafmt_f>): Update
18969         extraction from odd-numbered MSA register.
18970
18971 2017-03-31  Jakub Jelinek  <jakub@redhat.com>
18972
18973         PR middle-end/80173
18974         * expmed.c (store_bit_field_1): Don't attempt to create
18975         a word subreg out of hard registers wider than word if they
18976         have HARD_REGNO_NREGS of 1 for their mode.
18977
18978         PR middle-end/80163
18979         * varasm.c (initializer_constant_valid_p_1): Disallow sign-extending
18980         conversions to integer types wider than word and pointer.
18981
18982         PR debug/80025
18983         * cselib.h (rtx_equal_for_cselib_1): Add depth argument.
18984         (rtx_equal_for_cselib_p): Pass 0 to it.
18985         * cselib.c (cselib_hasher::equal): Likewise.
18986         (rtx_equal_for_cselib_1): Add depth argument.  If depth
18987         is 128, don't look up VALUE locs and punt.  Increment
18988         depth in recursive calls when walking VALUE locs.
18989
18990 2017-03-31  Bernd Edlinger  <bernd.edlinger@hotmail.de>
18991
18992         * gcov.c (md5sum_to_hex): Fix output of MD5 hex bytes.
18993         (make_gcov_file_name): Use the canonical path name for generating
18994         the MD5 value.
18995         (read_line): Fix handling of files with ascii null bytes.
18996
18997 2017-03-30  Matthew Fortune  <matthew.fortune@imgtec.com>
18998
18999         * config/mips/mips.c (mips_expand_vector_init): Create a const_vector
19000         to initialise a vector register instead
19001         of using a const_int.
19002
19003 2017-03-30  Jakub Jelinek  <jakub@redhat.com>
19004
19005         PR translation/80189
19006         * gimplify.c (omp_default_clause): Use %qs instead of %s in
19007         diagnostic messages.
19008
19009 2017-03-30  Peter Bergner  <bergner@vnet.ibm.com>
19010
19011         PR target/80246
19012         * config/rs6000/dfp.md (dfp_dxex_<mode>): Update mode of operand 0.
19013         (dfp_diex_<mode>): Update mode of operand 1.
19014         * doc/extend.texi (dxex, dxexq): Document change to return type.
19015         (diex, diexq): Document change to argument type.
19016
19017 2017-03-30  Martin Jambor  <mjambor@suse.cz>
19018
19019         PR ipa/77333
19020         * cgraph.h (cgraph_build_function_type_skip_args): Declare.
19021         * cgraph.c (redirect_call_stmt_to_callee): Set gimple fntype so that
19022         it reflects the signature changes performed at the callee side.
19023         * cgraphclones.c (build_function_type_skip_args): Make public, renamed
19024         to cgraph_build_function_type_skip_args.
19025         (build_function_decl_skip_args): Adjust call to the above function.
19026
19027 2017-03-30  Jakub Jelinek  <jakub@redhat.com>
19028
19029         PR target/80206
19030         * config/i386/sse.md
19031         (<extract_type>_vextract<shuffletype><extract_suf>_mask): Use
19032         register as dest whenever it is a MEM not rtx_equal_p to the
19033         corresponding dup operand, and when forcing into reg move the
19034         reg into the memory afterwards.
19035         (<extract_type_2>_vextract<shuffletype><extract_suf_2>_mask):
19036         Likewise.  Use <ssehalfvecmode> instead of <ssequartermode>
19037         for the force_reg mode.
19038         (avx512vl_vextractf128<mode>): Use register as dest either
19039         always when a MEM, or when it is a MEM not rtx_equal_p to the
19040         corresponding dup operand, or even not when it is a CONST_VECTOR
19041         depending on the mode and lo vs. hi.
19042         (avx512dq_vextract<shuffletype>64x2_1_maskm): Remove extraneous
19043         parens.
19044         (avx512f_vextract<shuffletype>32x4_1_maskm): Likewise.
19045         (<mask_codefor>avx512dq_vextract<shuffletype>64x2_1<mask_name>):
19046         Likewise.  Require that operands[2] is even.
19047         (<mask_codefor>avx512f_vextract<shuffletype>32x4_1<mask_name>):
19048         Remove extraneous parens.  Require that operands[2] is a multiple
19049         of 4.
19050         (vec_extract_lo_<mode><mask_name>): Don't bother testing if
19051         operands[0] is a MEM if <mask_applied>, the predicates/constraints
19052         disallow memory then.
19053
19054 2017-03-30  Richard Biener  <rguenther@suse.de>
19055
19056         PR tree-optimization/77498
19057         * tree-ssa-pre.c (phi_translate_1): Do not allow simplifications
19058         to non-constants over backedges.
19059
19060 2017-03-29  Segher Boessenkool  <segher@kernel.crashing.org>
19061
19062         PR rtl-optimization/80233
19063         * combine.c (combine_instructions): Only take NONDEBUG_INSN_P insns
19064         as last_combined_insn.  Do not test for BARRIER_P separately.
19065
19066 2017-03-29  Andreas Schwab  <schwab@suse.de>
19067
19068         PR ada/80146
19069         * calls.c (prepare_call_address): Convert funexp to Pmode before
19070         copying to temp reg.
19071
19072 2017-03-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
19073
19074         PR tree-optimization/80158
19075         * gimple-ssa-strength-reduction.c (replace_mult_candidate):
19076         Handle possible future case of more than one alternate
19077         interpretation.
19078         (replace_rhs_if_not_dup): Likewise.
19079         (replace_one_candidate): Likewise.
19080
19081 2017-03-28  Vladimir Makarov  <vmakarov@redhat.com>
19082
19083         PR rtl-optimization/80193
19084         * ira.c (ira): Do not check allocation for LRA.
19085
19086 2017-03-28  Alexander Monakov  <amonakov@ispras.ru>
19087
19088         * config/nvptx/nvptx-protos.h (nvptx_output_simt_enter): Declare.
19089         (nvptx_output_simt_exit): Declare.
19090         * config/nvptx/nvptx.c (nvptx_init_unisimt_predicate): Use
19091         cfun->machine->unisimt_location.  Handle NULL unisimt_predicate.
19092         (init_softstack_frame): Move initialization of crtl->is_leaf to...
19093         (nvptx_declare_function_name): ...here.  Emit declaration of local
19094         memory space buffer for omp_simt_enter insn.
19095         (nvptx_output_unisimt_switch): New.
19096         (nvptx_output_softstack_switch): New.
19097         (nvptx_output_simt_enter): New.
19098         (nvptx_output_simt_exit): New.
19099         * config/nvptx/nvptx.h (struct machine_function): New fields
19100         has_simtreg, unisimt_location, simt_stack_size, simt_stack_align.
19101         * config/nvptx/nvptx.md (UNSPECV_SIMT_ENTER): New unspec.
19102         (UNSPECV_SIMT_EXIT): Ditto.
19103         (omp_simt_enter_insn): New insn.
19104         (omp_simt_enter): New expansion.
19105         (omp_simt_exit): New insn.
19106         * config/nvptx/nvptx.opt (msoft-stack-reserve-local): New option.
19107
19108         * internal-fn.c (expand_GOMP_SIMT_ENTER): New.
19109         (expand_GOMP_SIMT_ENTER_ALLOC): New.
19110         (expand_GOMP_SIMT_EXIT): New.
19111         * internal-fn.def (GOMP_SIMT_ENTER): New internal function.
19112         (GOMP_SIMT_ENTER_ALLOC): Ditto.
19113         (GOMP_SIMT_EXIT): Ditto.
19114         * target-insns.def (omp_simt_enter): New insn.
19115         (omp_simt_exit): Ditto.
19116         * omp-low.c (struct omplow_simd_context): New fields simt_eargs,
19117         simt_dlist.
19118         (lower_rec_simd_input_clauses): Implement SIMT privatization.
19119         (lower_rec_input_clauses): Likewise.
19120         (lower_lastprivate_clauses): Handle SIMT privatization.
19121
19122         * omp-offload.c: Include langhooks.h, tree-nested.h, stor-layout.h.
19123         (ompdevlow_adjust_simt_enter): New.
19124         (find_simtpriv_var_op): New.
19125         (execute_omp_device_lower): Handle IFN_GOMP_SIMT_ENTER,
19126         IFN_GOMP_SIMT_ENTER_ALLOC, IFN_GOMP_SIMT_EXIT.
19127
19128         * tree-inline.h (struct copy_body_data): New field dst_simt_vars.
19129         * tree-inline.c (expand_call_inline): Handle SIMT privatization.
19130         (copy_decl_for_dup_finish): Ditto.
19131
19132         * tree-ssa.c (execute_update_addresses_taken): Handle GOMP_SIMT_ENTER.
19133
19134 2017-03-28  Uros Bizjak  <ubizjak@gmail.com>
19135
19136         PR target/53383
19137         * config/i386/i386.c (ix86_option_override_internal): Always
19138         allow -mpreferred-stack-boundary=3 for 64-bit targets.
19139
19140 2017-03-28  Bin Cheng  <bin.cheng@arm.com>
19141
19142         * tree-vect-loop.c (optimize_mask_stores): Add bb to the right loop.
19143
19144 2017-03-28  Bin Cheng  <bin.cheng@arm.com>
19145
19146         * tree-vect-loop-manip.c (slpeel_add_loop_guard): New param and
19147         mark new edge's irreducible flag accordign to it.
19148         (vect_do_peeling): Check loop preheader edge's irreducible flag
19149         and pass it to function slpeel_add_loop_guard.
19150
19151 2017-03-28  Richard Sandiford  <richard.sandiford@arm.com>
19152
19153         PR tree-optimization/80218
19154         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
19155         Update block frequencies and counts.
19156
19157 2017-03-28  Richard Biener  <rguenther@suse.de>
19158
19159         PR tree-optimization/78644
19160         * tree-ssa-ccp.c (evaluate_stmt): When we may not use the value
19161         of a simplification result we may not use it at all.
19162
19163 2017-03-28  Richard Biener  <rguenther@suse.de>
19164
19165         PR ipa/80205
19166         * tree-inline.c (copy_phis_for_bb): Do not create PHI node
19167         without arguments, generate default definition of a SSA name.
19168
19169 2017-03-28  Richard Biener  <rguenther@suse.de>
19170
19171         PR middle-end/80222
19172         * gimple-fold.c (gimple_fold_indirect_ref): Do not touch
19173         TYPE_REF_CAN_ALIAS_ALL references.
19174         * fold-const.c (fold_indirect_ref_1): Likewise.
19175
19176 2017-03-28  Martin Liska  <mliska@suse.cz>
19177
19178         PR ipa/80104
19179         * cgraphunit.c (cgraph_node::expand_thunk): Mark argument of a
19180         thunk call as DECL_GIMPLE_REG_P when vector or complex type.
19181
19182 2017-03-28  Claudiu Zissulescu  <claziss@synopsys.com>
19183             Thomas Petazzoni  <thomas.petazzoni@free-electrons.com>
19184
19185         * config/arc/arc.h (CPP_SPEC): Add subtarget_cpp_spec.
19186         (EXTRA_SPECS): Define.
19187         (SUBTARGET_EXTRA_SPECS): Likewise.
19188         (SUBTARGET_CPP_SPEC): Likewise.
19189         * config/arc/elf.h (EXTRA_SPECS): Renamed to
19190         SUBTARGET_EXTRA_SPECS.
19191         * config/arc/linux.h (SUBTARGET_CPP_SPEC): Define.
19192
19193 2017-03-28  Claudiu Zissulescu  <claziss@synopsys.com>
19194
19195         * config/arc/simdext.md (vst64_insn): Update pattern.
19196         (vld32wh_insn): Likewise.
19197         (vld32wl_insn): Likewise.
19198         (vld64_insn): Likewise.
19199         (vld32_insn): Likewise.
19200
19201 2017-03-28  Marek Polacek  <polacek@redhat.com>
19202
19203         PR sanitizer/80067
19204         * fold-const.c (fold_comparison): Use protected_set_expr_location
19205         instead of SET_EXPR_LOCATION.
19206
19207 2017-03-28  Markus Trippelsdorf  <markus@trippelsdorf.de>
19208
19209         * tree.c (add_expr): Avoid name lookup warning.
19210
19211 2017-03-27  Jeff Law  <law@redhat.com>
19212
19213         PR tree-optimization/80216
19214         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Fix typo in
19215         function name.  Limit recursion depth.
19216         (record_temporary_equivalences): Corresponding changes.
19217
19218 2017-03-27  Jonathan Wakely  <jwakely@redhat.com>
19219
19220         * doc/invoke.texi (-Wno-narrowing): Reorder so default behavior is
19221         covered first.
19222
19223 2017-03-27  Jakub Jelinek  <jakub@redhat.com>
19224
19225         PR target/80102
19226         * reg-notes.def (REG_CFA_NOTE): Define.  Use it for CFA related
19227         notes.
19228         * cfgcleanup.c (reg_note_cfa_p): New array.
19229         (insns_have_identical_cfa_notes): New function.
19230         (old_insns_match_p): Don't cross-jump in between /f
19231         and non-/f instructions.  If both i1 and i2 are frame related,
19232         verify all CFA notes, their order and content.
19233
19234 2017-03-27  Michael Meissner  <meissner@linux.vnet.ibm.com>
19235
19236         PR target/78543
19237         * config/rs6000/rs6000.md (bswaphi2_extenddi): Combine bswap
19238         HImode and SImode with zero extend to DImode to one insn.
19239         (bswap<mode>2_extenddi): Likewise.
19240         (bswapsi2_extenddi): Likewise.
19241         (bswaphi2_extendsi): Likewise.
19242         (bswaphi2): Combine bswap HImode and SImode into one insn.
19243         Separate memory insns from swapping register.
19244         (bswapsi2): Likewise.
19245         (bswap<mode>2): Likewise.
19246         (bswaphi2_internal): Delete, no longer used.
19247         (bswapsi2_internal): Likewise.
19248         (bswap<mode>2_load): Split bswap HImode/SImode into separate load,
19249         store, and gpr<-gpr swap insns.
19250         (bswap<mode>2_store): Likewise.
19251         (bswaphi2_reg): Register only splitter, combine with the splitter.
19252         (bswaphi2 splitter): Likewise.
19253         (bswapsi2_reg): Likewise.
19254         (bswapsi2 splitter): Likewise.
19255         (bswapdi2): If we have the LDBRX and STDBRX instructions, split
19256         the insns into load, store, and register/register insns.
19257         (bswapdi2_ldbrx): Likewise.
19258         (bswapdi2_load): Likewise.
19259         (bswapdi2_store): Likewise.
19260         (bswapdi2_reg): Likewise.
19261
19262 2017-03-27  Gunther Nikl  <gnikl@users.sourceforge.net>
19263
19264         * system.h (HAVE_DESIGNATED_INITIALIZERS): Fix non C++ case.
19265         (HAVE_DESIGNATED_UNION_INITIALIZERS): Likewise.
19266
19267 2017-03-27  Kelvin Nilsen  <kelvin@gcc.gnu.org>
19268
19269         PR target/80103
19270         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Edit and
19271         add comments.
19272         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
19273         special handling for target option conflicts between dform
19274         options (-mpower9-dform, -mpower9-dform-vector,
19275         -mpower9-dform-scalar) and -mno-direct-move.
19276
19277 2017-03-27  Richard Biener  <rguenther@suse.de>
19278
19279         PR tree-optimization/80181
19280         * tree-ssa-ccp.c (likely_value): UNDEFINED ^ X is UNDEFINED.
19281
19282 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
19283
19284         * config/arc/predicates.md (move_double_src_operand): Replace the
19285         call to move_double_src_operand with a call to address_operand.
19286
19287 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
19288
19289         * config/arc/elf.h (ARGET_ARC_TP_REGNO_DEFAULT): Define.
19290         * config/arc/linux.h (ARGET_ARC_TP_REGNO_DEFAULT): Likewise.
19291         * config/arc/arc.opt (mtp-regno): Use ARGET_ARC_TP_REGNO_DEFAULT.
19292
19293 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
19294
19295         * config/arc/predicates.md (long_immediate_loadstore_operand):
19296         Consider scaled addresses cases.
19297
19298 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
19299
19300         * config/arc/arc.c (arc_epilogue_uses): BLINK should be also
19301         restored when in interrupt.
19302         * config/arc/arc.md (simple_return): ARCv2 rtie instruction
19303         doesn't have delay slot.
19304
19305 2017-03-27  Richard Biener  <rguenther@suse.de>
19306
19307         PR ipa/79776
19308         * tree-ssa-structalias.c (associate_varinfo_to_alias): Skip
19309         inlined thunk clones.
19310
19311 2017-03-27  Jakub Jelinek  <jakub@redhat.com>
19312
19313         PR sanitizer/80168
19314         * asan.c (instrument_derefs): Copy over last operand from
19315         original COMPONENT_REF to the new COMPONENT_REF with
19316         DECL_BIT_FIELD_REPRESENTATIVE.
19317         * ubsan.c (instrument_object_size): Likewise.
19318
19319 2017-03-27  Richard Biener  <rguenther@suse.de>
19320
19321         PR tree-optimization/80170
19322         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Make
19323         sure DR/SCEV didnt fold in constants we do not see when looking
19324         at the reference base alignment.
19325
19326 2017-03-27  Richard Biener  <rguenther@suse.de>
19327
19328         PR middle-end/80171
19329         * gimple-fold.c (fold_ctor_reference): Properly guard against
19330         NULL return value from canonicalize_constructor_val.
19331
19332 2017-03-25  Uros Bizjak  <ubizjak@gmail.com>
19333
19334         PR target/80180
19335         * config/i386/i386.c (ix86_expand_builtin)
19336         <IX86_BUILTIN_RDSEED{16,32,64}_STEP>: Do not expand arg0 between
19337         flags reg setting and flags reg using instructions.
19338         <IX86_BUILTIN_RDRAND{16,32,64}_STEP>: Ditto.  Use non-flags reg
19339         clobbering instructions to zero extend op2.
19340
19341 2017-03-25  Gerald Pfeifer  <gerald@pfeifer.com>
19342
19343         * doc/install.texi (Configuration) <--with-aix-soname>:
19344         Update link to AIX ld.
19345
19346 2017-03-25  Bernd Schmidt  <bschmidt@redhat.com>
19347
19348         PR rtl-optimization/80160
19349         PR rtl-optimization/80159
19350         * lra-assigns.c (must_not_spill_p): Tighten new test to also take
19351         reg_alternate_class into account.
19352
19353 2017-03-24  Vladimir Makarov  <vmakarov@redhat.com>
19354
19355         PR target/80148
19356         * lra-assigns.c (assign_by_spills): Add spilled non-reload pseudos
19357         to consider in curr_insn_transform.
19358
19359 2017-03-24  Jakub Jelinek  <jakub@redhat.com>
19360
19361         * genrecog.c (validate_pattern): Add VEC_SELECT validation.
19362         * genmodes.c (emit_min_insn_modes_c): Call emit_mode_nunits
19363         and emit_mode_inner.
19364
19365 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19366
19367         * config/s390/s390-builtins.def: Add VXE builtins.  Add a flags
19368         argument to the overloaded builtin variants.  Use the new flag to
19369         deprecate certain builtin variants.
19370         * config/s390/s390-builtin-types.def: Add new builtin types.
19371         * config/s390/s390-builtins.h: Support new flags field for
19372         overloaded builtins.
19373         * config/s390/s390-c.c (OB_DEF_VAR): New flags field.
19374         (s390_macro_to_expand): Enable vector float data type.
19375         (s390_cpu_cpp_builtins_internal): Indicate support of the new
19376         builtins by incrementing the __VEC__ version number.
19377         (s390_expand_overloaded_builtin): Support expansion of vec_xl and
19378         vec_xst.
19379         (s390_resolve_overloaded_builtin): Emit error messages depending
19380         on the builtin flags.
19381         * config/s390/s390.c (s390_expand_builtin): Support additional
19382         flags argument.  Change error message to match the messages
19383         emitted in s390-c.c.
19384         * config/s390/s390.md: New UNSPEC_* constants.
19385         (op_type): Add new instruction types.
19386         * config/s390/vecintrin.h: Add new builtins and test data class
19387         constants.
19388         * config/s390/vx-builtins.md (V_HW_32_64): Add V4SF.
19389         (V_HW_4, VEC_HW, VECF_HW): New mode iterators.
19390         (VEC_INEXACT, VEC_NOINEXACT): New constants.
19391         ("vec_splats<mode>", "vec_insert<mode>", "vec_promote<mode>")
19392         ("vec_insert_and_zero<mode>", "vec_mergeh<mode>")
19393         ("vec_mergel<mode>"): V_HW -> VEC_HW.
19394
19395         ("vlrlrv16qi", "vstrlrv16qi", "vbpermv16qi", "vec_msumv2di")
19396         ("vmslg", "*vftci<mode>_cconly", "vftci<mode>_intcconly")
19397         ("*vftci<mode>", "vftci<mode>_intcc", "vec_double_s64")
19398         ("vec_double_u64", "vfmin<mode>", "vfmax<mode>"): New definition.
19399
19400         ("and_av2df3", "and_cv2df3", "vec_andc_av2df3")
19401         ("vec_andc_cv2df3", "xor_av2df3", "xor_cv2df3", "vec_nor_av2df3")
19402         ("vec_nor_cv2df3", "ior_av2df3", "ior_cv2df3", "vec_nabs")
19403         ("*vftcidb", "*vftcidb_cconly", "vftcidb"): Remove definition.
19404
19405         ("vec_all_<fpcmpcc:code>v2df", "vec_any_<fpcmpcc:code>v2df")
19406         ("vec_scatter_elementv4si_DI", "vec_cmp<fpcmp:code>v2df")
19407         ("vec_di_to_df_s64", "vec_di_to_df_u64", "vec_df_to_di_u64")
19408         ("vfidb", "*vldeb", "*vledb", "*vec_cmp<insn_cmp>v2df_cconly")
19409         ("vec_cmpeqv2df_cc", "vec_cmpeqv2df_cc", "vec_cmphv2df_cc")
19410         ("vec_cmphev2df_cc", "*vec_cmpeqv2df_cc")
19411         ("*vec_cmphv2df_cc", "*vec_cmphev2df_cc"): Enable new modes as ...
19412
19413         ("vec_all_<fpcmpcc:code><mode>", "vec_any_<fpcmpcc:code><mode>")
19414         ("vec_scatter_element<V_HW_4:mode>_DI")
19415         ("vec_cmp<fpcmp:code><mode>", "vcdgb", "vcdlgb", "vclgdb")
19416         ("vec_fpint<mode>", "vflls")
19417         ("vflrd", "*vec_cmp<insn_cmp><mode>_cconly", "vec_cmpeq<mode>_cc")
19418         ("vec_cmpeq<mode>_cc", "vec_cmph<mode>_cc", "vec_cmphe<mode>_cc")
19419         ("*vec_cmpeq<mode>_cc", "*vec_cmph<mode>_cc")
19420         ("*vec_cmphe<mode>_cc"): ... these.
19421
19422         ("vec_ctd_s64", "vec_ctsl", "vec_ctul", "vec_st2f"): Use rounding
19423         mode constant instead of magic value.
19424
19425 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19426
19427         * config/s390/s390.c (s390_expand_vec_compare): Support other
19428         vector floating point modes than just V2DF.
19429         (s390_expand_vcond): Likewise.
19430         (s390_hard_regno_mode_ok): Allow SFmode values in VRs.
19431         (s390_cannot_change_mode_class): Prevent mode changes between TF
19432         and V1TF in vector registers.
19433         * config/s390/s390.md (DF, SF): New mode attributes.
19434         ("*cmp<mode>_ccs", "add<mode>3", "sub<mode>3", "mul<mode>3")
19435         ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2"): Add
19436         SFmode support for VRs.
19437         * config/s390/vector.md (V_HW, V_HW2, VT_HW, ti*, nonvec): Add new
19438         vector fp modes.
19439         (VFT, VF_HW): New mode iterators.
19440         (vw, sdx): New mode attributes.
19441         ("addv2df3", "subv2df3", "mulv2df3", "divv2df3", "sqrtv2df2")
19442         ("fmav2df4","fmsv2df4", "negv2df2", "absv2df2", "*negabsv2df2")
19443         ("smaxv2df3", "sminv2df3", "*vec_cmp<VFCMP_HW_OP:code>v2df_nocc")
19444         ("vec_cmpuneqv2df", "vec_cmpltgtv2df", "vec_orderedv2df")
19445         ("vec_unorderedv2df"): Adjust the v2df only patterns to support
19446         also the new vector floating point modes.  Renaming to ...
19447
19448         ("add<mode>3", "sub<mode>3", "mul<mode>3", "div<mode>3")
19449         ("sqrt<mode>2", "fma<mode>4", "fms<mode>4", "neg<mode>2")
19450         ("abs<mode>2", "negabs<mode>2", "smax<mode>3")
19451         ("smin<mode>3", "*vec_cmp<VFCMP_HW_OP:code><mode>_nocc")
19452         ("vec_cmpuneq<mode>", "vec_cmpltgt<mode>", "vec_ordered<mode>")
19453         ("vec_unordered<mode>"): ... these.
19454
19455         ("neg_fma<mode>4", "neg_fms<mode>4", "*smax<mode>3_vxe")
19456         ("*smin<mode>3_vxe", "*sminv2df3_vx", "*vec_extendv4sf")
19457         ("*vec_extendv2df"): New insn definitions.
19458
19459 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19460
19461         * config/s390/s390.md ("*adddi3_sign", "*subdi3_sign", "mulditi3")
19462         ("mulditi3_2", "*muldi3_sign"): New patterns.
19463         ("muldi3", "*muldi3", "mulsi3", "*mulsi3"): Add an expander and
19464         rename the pattern definition.
19465
19466 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19467
19468         * config/s390/s390.md ("indirect_jump"): Turn insn definition into
19469         expander.
19470         ("*indirect_jump", "*indirect2_jump"): New pattern definitions.
19471
19472 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19473
19474         * config/s390/s390.c (s390_expand_vec_init): Use vllezl
19475         instruction if possible.
19476         * config/s390/vector.md (vec_halfnumelts): New mode
19477         attribute.
19478         ("*vec_vllezlf<mode>"): New pattern.
19479
19480 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19481
19482         * config/s390/vector.md ("popcountv16qi2", "popcountv8hi2")
19483         ("popcountv4si2", "popcountv2di2"): Rename to ...
19484         ("popcount<mode>2", "popcountv8hi2_vx", "popcountv4si2_vx")
19485         ("popcountv2di2_vx"): ... these and add !TARGET_VXE to the
19486         condition.
19487         ("popcount<mode>2_vxe"): New pattern.
19488
19489 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19490
19491         * common/config/s390/s390-common.c (processor_flags_table): Add
19492         arch12.
19493         * config.gcc: Add arch12.
19494         * config/s390/driver-native.c (s390_host_detect_local_cpu):
19495         Default to arch12 for unknown CPU model numbers.
19496         * config/s390/s390-builtins.def: Add B_VXE builtin flag.
19497         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Adjust
19498         PROCESSOR_max sanity check.
19499         * config/s390/s390-opts.h (enum processor_type): Add
19500         PROCESSOR_ARCH12.
19501         * config/s390/s390.c (processor_table): Add arch12.
19502         (s390_expand_builtin): Add check for B_VXE flag.
19503         (s390_issue_rate): Add PROCESSOR_ARCH12.
19504         (s390_get_sched_attrmask): Likewise.
19505         (s390_get_unit_mask): Likewise.
19506         (s390_sched_score): Enable z13 scheduling for arch12.
19507         (s390_sched_reorder): Likewise.
19508         (s390_sched_variable_issue): Likewise.
19509         * config/s390/s390.h (enum processor_flags): Add PF_ARCH12 and
19510         PF_VXE.
19511         (s390_tune_attr): Use z13 scheduling also for arch12.
19512         (TARGET_CPU_ARCH12, TARGET_CPU_ARCH12_P, TARGET_CPU_VXE)
19513         (TARGET_CPU_VXE_P, TARGET_ARCH12, TARGET_ARCH12_P, TARGET_VXE)
19514         (TARGET_VXE_P): New macros.
19515         * config/s390/s390.md: Add arch12 to cpu attribute.  Add arch12
19516         and vxe to cpu_facility.  Add arch12 and vxe to enabled attribute.
19517         * config/s390/s390.opt: Add arch12 as processor_type.
19518
19519 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19520
19521         * config/s390/s390.md
19522         ("fixuns_truncdddi2", "fixuns_trunctddi2")
19523         ("fixuns_trunc<BFP:mode><GPR:mode>2"): Merge into ...
19524         ("fixuns_trunc<FP:mode><GPR:mode>2"): New expander.
19525
19526         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2"):
19527         Rename expanders to ...
19528
19529         ("fixuns_trunc<BFP:mode><GPR:mode>2_emu")
19530         ("fixuns_truncdddi2_emu"): ... these.
19531
19532         ("fixuns_trunc<mode>si2_emu"): New expander.
19533
19534         ("*fixuns_truncdfdi2_z13"): Rename to ...
19535         ("*fixuns_truncdfdi2_vx"): ... this.
19536
19537 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19538
19539         * config/s390/2964.md: Remove the single element vector compare
19540         instructions which are no longer used.
19541         * config/s390/s390.c (s390_select_ccmode): Remove handling of
19542         vector CCmodes.
19543         (s390_canonicalize_comparison): Remove handling of DFmode
19544         compares.
19545         (s390_expand_vec_compare_scalar): Remove function.
19546         (s390_emit_compare): Don't call s390_expand_vec_compare_scalar.
19547         * config/s390/s390.md ("*vec_cmp<insn_cmp>df_cconly"): Remove
19548         pattern.
19549         ("*cmp<mode>_ccs"): Add wfcdb instruction.
19550
19551 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19552
19553         * config/s390/s390.md ("mov<mode>_64dfp" DD_DF): Use vleig for loading a
19554         FP zero.
19555         ("*mov<mode>_64" DD_DF): Remove the vector instructions. These
19556         will anyway by matched by mov<mode>_64dfp.
19557
19558 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19559
19560         * config/s390/s390.md ("mov<mode>" SD_SF): Change vleg/vsteg to
19561         vlef/vstef.  Add missing operand to vleif.
19562
19563 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19564
19565         * config/s390/s390.c (s390_expand_vec_init): Enable vector load
19566         pair for all vector types with 64 bit elements.
19567         * config/s390/vx-builtins.md (V_HW_64): Move mode iterator to ...
19568         * config/s390/vector.md (V_HW_64): ... here.
19569         (V_128_NOSINGLE): New mode iterator.
19570         ("vec_init<V_HW:mode>"): Use V_128 as mode iterator.
19571         ("*vec_splat<mode>"): Use V_128_NOSINGLE mode iterator.
19572         ("*vec_tf_to_v1tf", "*vec_ti_to_v1ti"): New pattern definitions.
19573         ("*vec_load_pairv2di"): Change to ...
19574         ("*vec_load_pair<mode>"): ... this one.
19575
19576 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19577
19578         * config/s390/constraints.md: Add comments.
19579         (jKK): Reject element sizes > 8 bytes.
19580         * config/s390/s390.c (s390_split_ok_p): Enable splitting also for
19581         s_operands.
19582         * config/s390/s390.md: Add the s_operand checks formerly in
19583         s390_split_ok_p to various splitters where they are still
19584         required.
19585         * config/s390/vector.md ("mov<mode>" V_128): Add GPR alternatives
19586         for 128 bit vectors.  Plus two splitters.
19587
19588 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19589
19590         * config/s390/s390.md: Rename the cpu facilty vec to vx throughout
19591         the file.
19592
19593 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19594
19595         PR target/79893
19596         * config/s390/s390-c.c (s390_adjust_builtin_arglist): Issue an
19597         error if the boundary argument is not constant.
19598
19599 2017-03-24  Jakub Jelinek  <jakub@redhat.com>
19600
19601         PR rtl-optimization/80112
19602         * loop-doloop.c (doloop_condition_get): Don't check condition
19603         if cmp isn't SET with IF_THEN_ELSE src.
19604
19605 2017-03-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
19606
19607         PR tree-optimization/80158
19608         * gimple-ssa-strength-reduction.c (replace_mult_candidate): When
19609         replacing a candidate statement, also replace it for the
19610         candidate's alternate interpretation.
19611         (replace_rhs_if_not_dup): Likewise.
19612         (replace_one_candidate): Likewise.
19613
19614 2017-03-24  Richard Biener  <rguenther@suse.de>
19615
19616         PR tree-optimization/80167
19617         * graphite-isl-ast-to-gimple.c
19618         (translate_isl_ast_to_gimple::is_valid_rename): Handle default-defs
19619         properly.
19620         (translate_isl_ast_to_gimple::get_rename): Likewise.
19621
19622 2017-03-23  Kelvin Nilsen  <kelvin@gcc.gnu.org>
19623
19624         * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
19625         handling of certain combinations of target options, including the
19626         combinations -mpower8-vector vs. -mno-vsx, -mpower9-vector vs.
19627         -mno-power8-vector, and -mpower9_dform vs. -mno-power9-vector.
19628
19629 2017-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
19630
19631         PR target/71436
19632         * config/arm/arm.md (*load_multiple): Add reload_completed to
19633         matching condition.
19634
19635 2017-03-23  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
19636             Richard Biener  <rguenth@suse.de>
19637
19638         PR tree-optimization/79908
19639         PR tree-optimization/80136
19640         * tree-stdarg.c (expand_ifn_va_arg_1): For a VA_ARG whose LHS has
19641         been cast away, gimplify_and_add suffices.
19642
19643 2017-03-23  Markus Trippelsdorf  <markus@trippelsdorf.de>
19644
19645         * tree-vrp.c (identify_jump_threads): Delete avail_exprs.
19646
19647 2017-03-23  Richard Biener  <rguenther@suse.de>
19648
19649         PR tree-optimization/80032
19650         * gimplify.c (gimple_push_cleanup): Forced unconditional
19651         cleanups still have to go to the conditional_cleanups
19652         sequence.
19653
19654 2017-03-22  Jakub Jelinek  <jakub@redhat.com>
19655
19656         PR tree-optimization/80072
19657         * tree-ssa-reassoc.c (struct operand_entry): Change id field type
19658         to unsigned int.
19659         (next_operand_entry_id): Change type to unsigned int.
19660         (sort_by_operand_rank): Make sure to return the right return value
19661         even if unsigned fields are bigger than INT_MAX.
19662         (struct oecount): Change cnt and id type to unsigned int.
19663         (oecount_hasher::equal): Formatting fix.
19664         (oecount_cmp): Make sure to return the right return value
19665         even if unsigned fields are bigger than INT_MAX.
19666         (undistribute_ops_list): Change next_oecount_id type to unsigned int.
19667
19668         PR c++/80129
19669         * gimplify.c (gimplify_modify_expr_rhs) <case COND_EXPR>: Clear
19670         TREE_READONLY on result if writing it more than once.
19671
19672         PR sanitizer/80110
19673         * doc/invoke.texi (-fsanitize=thread): Document that with
19674         -fnon-call-exceptions atomics are not able to throw
19675         exceptions.
19676
19677         PR sanitizer/80110
19678         * tsan.c: Include tree-eh.h.
19679         (instrument_builtin_call): Call maybe_clean_eh_stmt or
19680         maybe_clean_or_replace_eh_stmt where needed.
19681         (instrument_memory_accesses): Add cfg_changed argument.
19682         Call gimple_purge_dead_eh_edges on each block and set *cfg_changed
19683         if it returned true.
19684         (tsan_pass): Adjust caller.  Return TODO_cleanup_cfg if cfg_changed.
19685
19686         PR rtl-optimization/63191
19687         * config/i386/i386.c (ix86_delegitimize_address): Turn into small
19688         wrapper function, moved the whole old content into ...
19689         (ix86_delegitimize_address_1): ... this.  New inline function.
19690         (ix86_find_base_term): Use ix86_delegitimize_address_1 with
19691         true as last argument instead of ix86_delegitimize_address.
19692
19693 2017-03-22  Wilco Dijkstra  <wdijkstr@arm.com>
19694
19695         * config/aarch64/aarch64.c (generic_branch_cost): Copy
19696         cortexa57_branch_cost.
19697
19698 2017-03-22  Wilco Dijkstra  <wdijkstr@arm.com>
19699
19700         * config/aarch64/aarch64.c (generic_tunings): Add AES fusion.
19701
19702 2017-03-21  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
19703
19704         PR target/80123
19705         * doc/md.texi (Constraints): Document wA constraint.
19706         * config/rs6000/constraints.md (wA): New.
19707         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add wA reg_class.
19708         (rs6000_init_hard_regno_mode_ok): Init wA constraint.
19709         * config/rs6000/rs6000.h (RS6000_CONSTRAINT_wA): New.
19710         * config/rs6000/vsx.md (vsx_splat_<mode>): Use wA constraint.
19711
19712 2017-03-22  Cesar Philippidis  <cesar@codesourcery.com>
19713
19714         PR c++/80029
19715         * gimplify.c (is_oacc_declared): New function.
19716         (oacc_default_clause): Use it to set default flags for acc declared
19717         variables inside parallel regions.
19718         (gimplify_scan_omp_clauses): Strip firstprivate pointers for acc
19719         declared variables.
19720         (gimplify_oacc_declare): Gimplify the declare clauses.  Add the
19721         declare attribute to any decl as necessary.
19722
19723 2017-03-22  Thomas Preud'homme  <thomas.preudhomme@arm.com>
19724
19725         PR target/80082
19726         * config/arm/arm-isa.h (isa_bit_lpae): New feature bit.
19727         (ISA_ARMv7ve): Add isa_bit_lpae to the definition.
19728         * config/arm/arm-protos.h (arm_arch7ve): Rename into ...
19729         (arm_arch_lpae): This.
19730         * config/arm/arm.c (arm_arch7ve): Rename into ...
19731         (arm_arch_lpae): This.  Define it in term of isa_bit_lpae.
19732         * config/arm/arm.h (TARGET_HAVE_LPAE): Redefine in term of
19733         arm_arch_lpae.
19734
19735 2017-03-22  Martin Liska  <mliska@suse.cz>
19736
19737         PR target/79906
19738         * config/rs6000/rs6000.c (rs6000_inner_target_options): Show
19739         error message instead of an ICE.
19740
19741 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
19742
19743         * doc/extend.texi (6.11 Additional Floating Types): Revise.
19744
19745 2017-03-21  Kelvin Nilsen  <kelvin@gcc.gnu.org>
19746
19747         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Add
19748         comments.
19749         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
19750         comments.
19751
19752 2017-03-21  Martin Sebor  <msebor@redhat.com>
19753
19754         * doc/extend.texi: Use "cannot" instead of "can't."
19755         * doc/hostconfig.texi: Same.
19756         * doc/install.texi: Same.
19757         * doc/invoke.texi: Same.
19758         * doc/loop.texi: Same.
19759         * doc/md.texi: Same.
19760         * doc/objc.texi: Same.
19761         * doc/rtl.texi: Same.
19762         * doc/tm.texi: Same.
19763         * doc/tm.texi.in: Same.
19764         * doc/trouble.texi: Same.
19765
19766 2017-03-21  Alexandre Oliva <aoliva@redhat.com>
19767
19768         PR debug/63238
19769         * dwarf2out.c (struct checksum_attributes): Add at_alignment.
19770         (collect_checksum_attributes): Set it.
19771         (die_checksum_ordered): Use it.
19772
19773 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
19774
19775         PR tree-optimization/79908
19776         * tree-stdarg.c (expand_ifn_va_arg_1): Revert the following
19777         change: For a VA_ARG whose LHS has been cast away, use
19778         force_gimple_operand to construct the side effects.
19779
19780 2017-03-21  David Malcolm  <dmalcolm@redhat.com>
19781
19782         PR translation/80001
19783         * omp-offload.c (oacc_loop_fixed_partitions): Make diagnostics
19784         more amenable to translation.
19785         (oacc_loop_auto_partitions): Likewise.
19786
19787 2017-03-21  Marek Polacek  <polacek@redhat.com>
19788             Martin Sebor  <msebor@redhat.com>
19789
19790         PR tree-optimization/80109
19791         * gimple-ssa-warn-alloca.c (alloca_call_type): Only call get_range_info
19792         on INTEGRAL_TYPE_P.
19793
19794 2017-03-21  Jakub Jelinek  <jakub@redhat.com>
19795             Segher Boessenkool  <segher@kernel.crashing.org>
19796
19797         PR target/80125
19798         * combine.c (can_combine_p): Revert the 2017-03-20 change, only
19799         check reg_used_between_p between insn and one of succ or succ2
19800         depending on if succ is artificial insn not inserted into insn
19801         stream.
19802
19803 2017-03-21  Martin Liska  <mliska@suse.cz>
19804
19805         PR gcov-profile/80081
19806         * Makefile.in: Add gcov-dump and fix installation of gcov-tool.
19807         * doc/gcc.texi: Include gcov-dump stuff.
19808         * doc/gcov-dump.texi: New file.
19809
19810 2017-03-21  Toma Tabacu  <toma.tabacu@imgtec.com>
19811
19812         PR rtl-optimization/79150
19813         * config/mips/mips.c (mips_block_move_loop): Emit a NOP after the
19814         conditional jump, if the jump is the last insn of the loop.
19815
19816 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
19817             Richard Biener  <rguenth@suse.de>
19818
19819         PR tree-optimization/79908
19820         * tree-stdarg.c (expand_ifn_va_arg_1): For a VA_ARG whose LHS has
19821         been cast away, use force_gimple_operand to construct the side
19822         effects.
19823
19824 2017-03-21  Martin Liska  <mliska@suse.cz>
19825
19826         PR libfortran/79956
19827         * simplify-rtx.c (simplify_immed_subreg): Initialize a variable
19828         to NULL.
19829
19830 2017-03-21  Brad Spengler <spender@grsecurity.net>
19831
19832         PR plugins/80094
19833         * plugin.c (htab_hash_plugin): New function.
19834         (add_new_plugin): Use it and adjust.
19835         (parse_plugin_arg_opt): Adjust.
19836         (init_one_plugin): Likewise.
19837
19838 2017-03-21  Richard Biener  <rguenther@suse.de>
19839
19840         PR tree-optimization/80032
19841         * gimplify.c (gimple_push_cleanup): Add force_uncond parameter,
19842         if set force the cleanup to happen unconditionally.
19843         (gimplify_target_expr): Push inserted clobbers with force_uncond
19844         to avoid them being removed by control-dependent DCE.
19845
19846 2017-03-21  Richard Biener  <rguenther@suse.de>
19847
19848         PR tree-optimization/80122
19849         * tree-inline.c (copy_bb): Do not expans va-arg packs or
19850         va_arg_pack_len when the inlined call stmt requires pack
19851         expansion itself.
19852         * tree-inline.h (struct copy_body_data): Make call_stmt a gcall *.
19853
19854 2017-03-21  Jakub Jelinek  <jakub@redhat.com>
19855
19856         PR sanitizer/78158
19857         * tsan.c (instrument_builtin_call): If the memory model argument
19858         is not a constant, assume it is valid.
19859
19860         PR c/67338
19861         * fold-const.c (round_up_loc): Negate divisor in unsigned type to
19862         avoid UB.
19863
19864 2017-03-20  Segher Boessenkool  <segher@kernel.crashing.org>
19865
19866         PR rtl-optimization/79910
19867         * combine.c (can_combine_p): Do not allow combining an I0 or I1
19868         if its dest is used by an insn before I2 (other than the combined
19869         insns themselves, which are properly handled already).
19870
19871 2017-03-20  Segher Boessenkool  <segher@kernel.crashing.org>
19872
19873         Revert:
19874         2017-03-17  Bernd Schmidt  <bschmidt@redhat.com>
19875
19876         * combine.c (record_used_regs): New static function.
19877         (try_combine): Handle situations where there is an additional
19878         instruction between I2 and I3 which needs to have a LOG_LINK
19879         updated.
19880
19881         Revert:
19882         2017-03-17  Jim Wilson  <jim.wilson@linaro.org>
19883
19884         * combine.c (try_combine): Delete redundant i1 test.  Call
19885         prev_nonnote_nondebug_insn instead of prev_nonnote_insn.
19886
19887 2017-03-20  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
19888
19889         PR target/80083
19890         * config/rs6000/rs6000.md (*movsi_internal1): Fix constraints for
19891         alternatives 13/14.
19892
19893 2017-03-20  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
19894
19895         PR tree-optimization/80054
19896         * gimple-ssa-strength-reduction.c (all_phi_incrs_profitable): Fail
19897         the optimization if a PHI or any of its arguments is not dominated
19898         by the candidate's basis.  Use gphi* rather than gimple* as
19899         appropriate.
19900         (replace_profitable_candidates): Clean up a gimple* variable that
19901         should be a gphi* variable.
19902
19903 2017-03-20  Martin Sebor  <msebor@redhat.com>
19904
19905         PR c++/52477
19906         * doc/extend.texi (attribute constructor): Document present limitation.
19907
19908 2017-03-20  Kelvin Nilsen  <kelvin@gcc.gnu.org>
19909
19910         PR target/79963
19911         * config/rs6000/altivec.h (vec_all_ne): Under __cplusplus__ and
19912         __POWER9_VECTOR__ #ifdef control, change template definition to
19913         use Power9-specific built-in function.
19914         (vec_any_eq): Likewise.
19915         * config/rs6000/vector.md (vector_ae_v2di_p): Change the flag used
19916         to control outcomes from this test.
19917         (vector_ae_<mode>p): For VEC_F modes, likewise.
19918
19919 2017-03-20  Ian Lance Taylor  <iant@google.com>
19920
19921         * config/i386/i386.c (ix86_function_regparm): Save an extra
19922         register for -fsplit-stack with DECL_STATIC_CHAIN.
19923
19924 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com>
19925
19926         PR target/79912
19927         * config/riscv/riscv.c (riscv_preferred_reload_class): Remove.
19928         (TARGET_PREFERRED_RELOAD_CLASS): Likewise.
19929
19930 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com>
19931
19932         * config/riscv/riscv.c (riscv_print_operand): Use "fence
19933         iorw,ow".
19934         * config/riscv/sync.mc (mem_thread_fence_1): Use "fence
19935         iorw,iorw".
19936
19937 2017-03-20  Marek Polacek  <polacek@redhat.com>
19938
19939         PR sanitizer/80063
19940         * asan.c (DEF_SANITIZER_BUILTIN): Use do { } while (0).
19941
19942 2017-03-20  Richard Biener  <rguenther@suse.de>
19943
19944         PR tree-optimization/80113
19945         * graphite-isl-ast-to-gimple.c (copy_loop_phi_nodes): Do not
19946         allocate extra SSA name for PHI def.
19947         (add_close_phis_to_outer_loops): Likewise.
19948         (add_close_phis_to_merge_points): Likewise.
19949         (copy_loop_close_phi_args): Likewise.
19950         (copy_cond_phi_nodes): Likewise.
19951
19952 2017-03-20  Martin Liska  <mliska@suse.cz>
19953
19954         PR middle-end/79753
19955         * tree-chkp.c (chkp_build_returned_bound): Do not build
19956         returned bounds for a LHS that's not a BOUNDED_P type.
19957
19958 2017-03-20  Martin Liska  <mliska@suse.cz>
19959
19960         PR target/79769
19961         PR target/79770
19962         * tree-chkp.c (chkp_find_bounds_1): Handle REAL_CST,
19963         COMPLEX_CST and VECTOR_CST.
19964
19965 2017-03-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19966
19967         PR target/78857
19968         * config/s390/s390.md ("cmp<mode>_ccs_0"): Add a clobber of the
19969         target operand.  A new splitter adds the clobber statement in case
19970         the target operand is dead anyway.
19971
19972 2017-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
19973
19974         * doc/install.texi (Specific) <sparc-*-linux*>: No longer refer
19975         to age-old versions of binutils and glibc.
19976
19977 2017-03-18  Segher Boessenkool  <segher@kernel.crashing.org>
19978
19979         * doc/contrib.texi (Contributors): Remove duplicate entry for myself.
19980
19981 2017-03-18  Gerald Pfeifer  <gerald@pfeifer.com>
19982
19983         * doc/contrib.texi (Contributors): Add Segher Boessenkool.
19984
19985 2017-03-18  Gerald Pfeifer  <gerald@pfeifer.com>
19986
19987         * doc/install.texi (Specific) <arm-*-eabi>: Remove old
19988         requirement for binutils 2.13.
19989
19990 2017-03-17  Jim Wilson  <jim.wilson@linaro.org>
19991
19992         * combine.c (try_combine): Delete redundant i1 test.  Call
19993         prev_nonnote_nondebug_insn instead of prev_nonnote_insn.
19994
19995 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com
19996
19997         * doc/install.texi (Specific) <riscv32-*-elf>: Add riscv32-*-elf,
19998         riscv32-*-linux, riscv64-*-elf, riscv64-*-linux to the table of
19999         contents.
20000         <riscv64-*-elf>: Re-arrange section
20001         <riscv32-*-elf>: Add a note about requiring binutils 2.28.
20002         <riscv32-*-linux>: Likewise.
20003         <riscv64-*-elf>: Likewise
20004         <riscv64-*-linux>: Likewise.
20005
20006 2017-03-17  Richard Earnshaw  <rearnsha@arm.com>
20007
20008         PR target/80052
20009         * aarch64.opt(verbose-cost-dump): Fix typo.
20010
20011 2017-03-17  Pat Haugen  <pthaugen@us.ibm.com>
20012
20013         PR target/79951
20014         * config/rs6000/rs6000.md (copysign<mode>3_fcpsgn): Test
20015         for VECTOR_UNIT_VSX_P (<MODE>mode) too.
20016
20017 2017-03-17  Bernd Schmidt  <bschmidt@redhat.com>
20018
20019         * reload.c (find_reloads): When reloading a nonoffsettable address,
20020         use RELOAD_OTHER for it and its address reloads.
20021
20022         PR rtl-optimization/79910
20023         * combine.c (record_used_regs): New static function.
20024         (try_combine): Handle situations where there is an additional
20025         instruction between I2 and I3 which needs to have a LOG_LINK
20026         updated.
20027
20028 2017-03-17  Jeff Law  <law@redhat.com>
20029
20030         PR tree-optimization/71437
20031         * tree-vrp.c (simplify_stmt_for_jump_threading): Lookup the
20032         conditional in the hash table first.
20033         (vrp_dom_walker::before_dom_children): Extract condition from
20034         ASSERT_EXPR.  Record condition, its inverion and any implied
20035         conditions as well.
20036
20037 2017-03-17  Marek Polacek  <polacek@redhat.com>
20038             Markus Trippelsdorf  <markus@trippelsdorf.de>
20039
20040         PR tree-optimization/80079
20041         * gimple-ssa-store-merging.c (class pass_store_merging): Initialize
20042         m_stores_head.
20043
20044 2017-03-17  Richard Biener  <rguenther@suse.de>
20045
20046         PR middle-end/80075
20047         * tree-eh.c (stmt_could_throw_1_p): Only handle gimple assigns.
20048         Properly verify the LHS before the RHS possibly claims to be
20049         handled.
20050         (stmt_could_throw_p): Hande gimple conds fully here.  Clobbers
20051         do not throw.
20052
20053 2017-03-17  Martin Jambor  <mjambor@suse.cz>
20054
20055         * doc/invoke.texi (Option Options): Include -fipa-vrp in the list.
20056         (List of -O2 options): Likewise.
20057         (-fipa-bit-cp): Replace "ipa" with "interprocedural."
20058         (-fipa-vrp) New.
20059
20060 2017-03-17  Tom de Vries  <tom@codesourcery.com>
20061
20062         * gcov-dump.c (print_usage): Print bug_report_url.
20063
20064 2017-03-17  Richard Biener  <rguenther@suse.de>
20065
20066         PR middle-end/80050
20067         * genmatch.c (parser::next): Remove pointless check for CPP_EOF.
20068         (parser::peek): Likewise.
20069
20070 2017-03-17  Richard Biener  <rguenther@suse.de>
20071
20072         PR tree-optimization/80048
20073         * sese.c (free_sese_info): Properly release rename_map and
20074         copied_bb_map elements.
20075
20076 2017-03-16  Alexandre Oliva <aoliva@redhat.com>
20077
20078         * gimple-ssa-store-merging.c (struct imm_store_chain_info):
20079         Add linked-list forward and backlinks.  Insert on
20080         construction, remove on destruction.
20081         (class pass_store_merging): Add m_stores_head field.
20082         (pass_store_merging::terminate_and_process_all_chains):
20083         Iterate over m_stores_head list.
20084         (pass_store_merging::terminate_all_aliasing_chains):
20085         Likewise.
20086         (pass_store_merging::execute): Check for debug stmts first.
20087         Push new chains onto the m_stores_head stack.
20088
20089 2017-03-16  Michael Meissner  <meissner@linux.vnet.ibm.com>
20090
20091         PR target/71294
20092         * config/rs6000/vsx.md (vsx_splat_<mode>, VSX_D iterator): Allow a
20093         SPLAT operation on ISA 2.07 64-bit systems that have direct move,
20094         but no MTVSRDD support, by doing MTVSRD and XXPERMDI.
20095
20096 2017-03-16  Jeff Law  <law@redhat.com>
20097
20098         PR tree-optimization/71437
20099         * tree-ssa-dom.c (dom_opt_dom_walker): Remove thread_across_edge
20100         member function.  Implementation moved into after_dom_children
20101         member function and into the threader's thread_outgoing_edges
20102         function.
20103         (dom_opt_dom_walker::after_dom_children): Simplify by moving
20104         some code into new thread_outgoing_edges.
20105         * tree-ssa-threadedge.c (thread_across_edge): Make static and simplify
20106         definition.  Simplify marker handling (do it here).   Assume we always
20107         have the available expression and the const/copies tables.
20108         (thread_outgoing_edges): New function extracted from tree-ssa-dom.c
20109         and tree-vrp.c
20110         * tree-ssa-threadedge.h (thread_outgoing_edges): Declare.
20111         * tree-vrp.c (equiv_stack): No longer file scoped.
20112         (vrp_dom_walker): New class.
20113         (vrp_dom_walker::before_dom_children): New member function.
20114         (vrp_dom_walker::after_dom_children): Likewise.
20115         (identify_jump_threads):  Setup domwalker.  Use it rather than
20116         walking edges in a random order by hand.  Simplify setup/finalization.
20117         (finalize_jump_threads): Remove.
20118         (vrp_finalize): Do not call identify_jump_threads here.
20119         (execute_vrp): Do it here instead and call thread_through_all_blocks
20120         here too.
20121
20122         PR tree-optimization/71437
20123         * tree-ssa-dom.c (pfn_simplify): Add basic_block argument.  All
20124         callers changed.
20125         (simplify_stmt_for_jump_threading): Add basic_block argument.  All
20126         callers changed.
20127         (lhs_of_dominating_assert): Moved from here into tree-vrp.c.
20128         (dom_opt_dom_walker::thread_across_edge): Remove
20129         handle_dominating_asserts argument.  All callers changed.
20130         (record_temporary_equivalences_from_stmts_at_dest): Corresponding
20131         changes.  Remove calls to lhs_of_dominating_assert.  Other
20132         uses of handle_dominating_asserts turn into unconditional code
20133         (simplify_control_stmt_condition_1): Likewise.
20134         (simplify_control_stmt_condition): Likewise.
20135         (thread_through_normal_block, thread_across_edge): Likewise.
20136         * tree-ssa-threadedge.h (thread_across_edge): Corresponding changes.
20137         * tree-vrp.c (lhs_of_dominating_assert): Move here.  Return original
20138         object if it is not an SSA_NAME.
20139         (simplify_stmt_for_jump_threading): Call lhs_of_dominating_assert
20140         before calling into the VRP specific simplifiers.
20141         (identify_jump_threads): Remove handle_dominating_asserts
20142         argument.
20143
20144 2017-03-16  Jakub Jelinek  <jakub@redhat.com>
20145
20146         PR fortran/79886
20147         * tree-diagnostic.c (default_tree_printer): No longer static.
20148         * tree-diagnostic.h (default_tree_printer): New prototype.
20149
20150 2017-03-16  Tamar Christina  <tamar.christina@arm.com>
20151
20152         * config/aarch64/aarch64-simd.md (*aarch64_simd_mov<mode>)
20153         Change ins into fmov.
20154
20155 2017-03-16  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
20156
20157         * config/aarch64/iterators.md (h_con): Return "x" for V4HF and V8HF.
20158         * config/aarch64/aarch64-simd.md (*aarch64_fma4_elt_from_dup<mode>):
20159         Use h_con constraint for operand 1.
20160         (*aarch64_fnma4_elt_from_dup<mode>): Likewise.
20161         (*aarch64_mulx_elt_from_dup<mode>): Likewise for operand 2.
20162
20163 2017-03-15  Jeff Law  <law@redhat.com>
20164
20165         PR tree-optimization/71437
20166         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): New function.
20167         (record_temporary_equivalences): Use it.
20168
20169         PR tree-optimization/71437
20170         * tree-ssa-dom.c (struct cond_equivalence): Moved from here into
20171         tree-ssa-scopedtables.
20172         (lookup_avail_expr, build_and_record_new_cond): Likewise.
20173         (record_conditions, record_cond, vuse_eq): Likewise.
20174         (record_edge_info): Adjust to API tweak of record_conditions.
20175         (simplify_stmt_for_jump_threading): Similarly for lookup_avail_expr.
20176         (record_temporary_equivalences, optimize_stmt): Likewise.
20177         (eliminate_redundant_computations): Likewise.
20178         (record_equivalences_from_stmt): Likewise.
20179         * tree-ssa-scopedtables.c: Include options.h and params.h.
20180         (vuse_eq): New function, moved from tree-ssa-dom.c
20181         (build_and_record_new_cond): Likewise.
20182         (record_conditions): Likewise.  Accept vector of conditions rather
20183         than edge_equivalence structure for first argument.
20184         for the first argument.
20185         (avail_exprs_stack::lookup_avail_expr): New member function, moved
20186         from tree-ssa-dom.c.
20187         (avail_exprs_stack::record_cond): Likewise.
20188         * tree-ssa-scopedtables.h (struct cond_equivalence): Moved here
20189         from tree-ssa-dom.c.
20190         (avail_exprs_stack): Add new member functions lookup_avail_expr
20191         and record_cond.
20192         (record_conditions): Declare.
20193
20194 2017-03-15  Vladimir Makarov  <vmakarov@redhat.com>
20195
20196         PR target/80017
20197         * lra-constraints.c (process_alt_operands): Increase reject for
20198         reloading an input/output operand.
20199
20200 2017-03-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
20201
20202         PR target/79038
20203         * config/rs6000/rs6000.md (float<QHI:mode><IEEE128:mode>2): Define
20204         insns to convert from signed/unsigned char/short to IEEE 128-bit
20205         floating point.
20206         (floatuns<QHI:mode><IEEE128:mode>2): Likewise.
20207
20208 2017-03-15  Uros Bizjak  <ubizjak@gmail.com>
20209
20210         PR target/80019
20211         * config/i386/i386.c (ix86_vector_duplicate_value): Create
20212         subreg of inner mode for values already in registers.
20213
20214 2017-03-15  Bernd Schmidt  <bschmidt@redhat.com>
20215
20216         * config/c6x/c6x.c (hwloop_optimize): Handle case where the old
20217         iteration reg is used after the loop.
20218
20219 2017-03-14  Martin Sebor  <msebor@redhat.com>
20220
20221         PR tree-optimization/79800
20222         * gimple-ssa-sprintf.c (format_floating: Add argument.  Handle
20223         precision in negative-positive range.
20224         (format_floating): Call non-const overload with adjusted precision.
20225
20226 2017-03-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
20227
20228         PR target/79947
20229         * config/rs6000/rs6000.h (TARGET_FRSQRTES): Add check for
20230         -mpowerpc-gfxopt.
20231
20232 2017-03-14  Martin Sebor  <msebor@redhat.com>
20233
20234         PR middle-end/80020
20235         * builtin-attrs.def (ATTR_ALLOC_SIZE_2_NOTHROW_LIST): New macro.
20236         * builtins.def (aligned_alloc): Use it.
20237
20238         PR c/79936
20239         * Makefile.in (GTFILES): Add calls.c.
20240         * calls.c: Include "gt-calls.h".
20241
20242 2017-03-14  Bernd Schmidt  <bschmidt@redhat.com>
20243
20244         PR rtl-optimization/79728
20245         * regs.h (struct target_regs): New field
20246         x_contains_allocatable_regs_of_mode.
20247         (contains_allocatable_regs_of_mode): New macro.
20248         * reginfo.c (init_reg_sets_1): Initialize it, and change
20249         contains_reg_of_mode so it includes global regs as well.
20250         * reload.c (push_reload): Use contains_allocatable_regs_of_mode
20251         rather than contains_regs_of_mode.
20252
20253 2017-03-14  Martin Liska  <mliska@suse.cz>
20254
20255         * doc/invoke.texi: Document options that can't be combined with
20256         -fcheck-pointer-bounds.
20257
20258 2017-03-14  Martin Liska  <mliska@suse.cz>
20259
20260         PR middle-end/79831
20261         * doc/invoke.texi (-Wchkp): Document the option.
20262
20263 2017-03-14  Martin Liska  <mliska@suse.cz>
20264
20265         * Makefile.in: Install gcov-dump.
20266
20267 2017-03-14  Martin Liska  <mliska@suse.cz>
20268
20269         * multiple_target.c (expand_target_clones): Bail out for
20270         an invalid attribute.
20271
20272 2017-03-14  Richard Biener  <rguenther@suse.de>
20273
20274         * alias.c (struct alias_set_entry): Pack properly.
20275         * cfgloop.h (struct loop): Likewise.
20276         * cse.c (struct set): Likewise.
20277         * ipa-utils.c (struct searchc_env): Likewise.
20278         * loop-invariant.c (struct invariant): Likewise.
20279         * lra-remat.c (struct cand): Likewise.
20280         * recog.c (struct change_t): Likewise.
20281         * rtl.h (struct address_info): Likewise.
20282         * symbol-summary.h (function_summary): Likewise.
20283         * tree-loop-distribution.c (struct partition): Likewise.
20284         * tree-object-size.c (struct object_size_info): Likewise.
20285         * tree-ssa-loop-ivopts.c (struct cost_pair): Likewise.
20286         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Likewise.
20287         * tree-vect-data-refs.c (struct _vect_peel_info): Likewise.
20288         * tree-vect-slp.c (struct _slp_oprnd_info): Likewise.
20289         * tree-vect-stmts.c (struct simd_call_arg_info): Likewise.
20290         * tree-vectorizer.h (struct _loop_vec_info): Likewise.
20291         (struct _stmt_vec_info): Likewise.
20292
20293 2017-03-14  Martin Liska  <mliska@suse.cz>
20294
20295         PR target/79892
20296         * multiple_target.c (create_dispatcher_calls): Check that
20297         a target can create a function dispatcher.
20298
20299 2017-03-14  Martin Liska  <mliska@suse.cz>
20300
20301         PR lto/66295
20302         * multiple_target.c (expand_target_clones): Drop local.local
20303         flag for default implementation.
20304
20305 2017-03-14  Richard Biener  <rguenther@suse.de>
20306
20307         PR tree-optimization/80030
20308         * tree-vect-stmts.c (vectorizable_store): Plug memleak.
20309
20310 2017-03-13  Kito Cheng  <kito.cheng@gmail.com>
20311
20312         * config/riscv/riscv.c (riscv_emit_float_compare>: Use
20313         gcc_fallthrough() instead of __attribute__((fallthrough));
20314
20315 2017-03-13  Gerald Pfeifer  <gerald@pfeifer.com>
20316
20317         * doc/gcc.texi: Remove "up" link to (DIR).
20318         * doc/gccint.texi: Ditto.
20319
20320 2017-03-13  Gerald Pfeifer  <gerald@pfeifer.com>
20321
20322         * doc/install.texi (Specific) <avr>: Remove reference to
20323         binutils 2.13.
20324
20325 2017-03-13  Jeff Law  <law@redhat.com>
20326
20327         * config/riscv/riscv.c (riscv_emit_float_compare): Use fallthru
20328         attribute rather than comments.
20329
20330         * config/pdp11/pdp11.md (movmemhi): Adjust operand numbers to
20331         match_scratch operand is highest.
20332
20333 2017-03-13  Martin Liska  <mliska@suse.cz>
20334
20335         PR middle-end/78339
20336         * ipa-pure-const.c (warn_function_noreturn): If the declarations
20337         is a CHKP clone, use original declaration.
20338
20339 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
20340
20341         * config/arc/arc.c (arc_init): Use multiplier whenever we have it.
20342         (arc_conditional_register_usage): Use a different allocation order
20343         when optimizing for size.
20344         * common/config/arc/arc-common.c (arc_option_optimization_table):
20345         Section anchors default on when optimizing for size.
20346
20347 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
20348
20349         * config/arc/arc.md (*tst_bitfield_tst): Fix pattern.
20350
20351 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
20352
20353         * config/arc/arc.c (arc_output_addsi): Emit code density adds.
20354         * config/arc/arc.md (cpu_facility): Add cd variant.
20355         (*movqi_insn): Add code density variant.
20356         (*movhi_insn): Likewise.
20357         (*movqi_insn): Likewise.
20358         (*addsi3_mixed): Likewise.
20359         (subsi3_insn): Likewise.
20360
20361 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
20362
20363         * config/arc/arc.md (movsi_cond_exec): Update constraint.
20364
20365 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
20366
20367         * config/arc/arc.c (arc_legitimize_pic_address): Handle PIC
20368         expressions with MINUS and UNARY ops.
20369
20370 2017-03-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
20371
20372         PR target/79911
20373         * config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3):
20374         Rename to...
20375         (vec_sel_widen_ssum_lo<mode><V_half>3): ... This. Avoid mismatch
20376         between vec_select and vector argument.
20377         (vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): Rename to...
20378         (vec_sel_widen_ssum_hi<mode><V_half>3): ... This. Likewise.
20379         (vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): Rename to...
20380         (vec_sel_widen_usum_lo<mode><V_half>3): ... This.
20381         (vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): Rename to...
20382         (vec_sel_widen_usum_hi<mode><V_half>3): ... This.
20383
20384 2017-03-13  Richard Biener  <rguenther@suse.de>
20385
20386         PR other/79991
20387         * params.def (vect-max-peeling-for-alignment): Fix typo.
20388
20389 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
20390
20391         * doc/install.texi (Specific) <mips-*-*>: Remove description of
20392         issue that only occurred with binutils below 2.18.
20393
20394 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
20395
20396         * doc/install.texi (Specific) <cris-axis-elf>: No longer
20397         refer to binutils 2.11/2.12 minimum.
20398
20399 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
20400
20401         * doc/install.texi (Specific) <powerpc-*-*>: Remove link to
20402         ftp.kernel.org and simplify binutils requirement.
20403
20404 2017-03-11  Gerald Pfeifer  <gerald@pfeifer.com>
20405
20406         * doc/invoke.texi (Warning Options): Fix spelling of link-time
20407         optimization.
20408         (Optimize Options): Ditto.  Also remove redundancy.
20409
20410 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
20411
20412         PR translation/79848
20413         * ipa-devirt.c (warn_types_mismatch): Simplify uses of "%<%s%>" to
20414         "%qs".
20415         * ipa-pure-const.c (suggest_attribute): Likewise.  Convert _
20416         to G_ to avoid double translation.
20417
20418 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
20419
20420         PR translation/79923
20421         * auto-profile.c (get_combined_location): Convert leading
20422         character of diagnostics to lower case and remove trailing period.
20423         (read_profile): Likewise for various diagnostics.
20424         * config/arm/arm.c (arm_option_override): Remove trailing period
20425         from various diagnostics.
20426         * config/msp430/msp430.c (msp430_expand_delay_cycles): Likewise.
20427         (msp430_expand_delay_cycles): Likewise.
20428
20429 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
20430
20431         PR target/79925
20432         * config/aarch64/aarch64.c (aarch64_validate_mcpu): Quote the
20433         full command-line argument, rather than just "str".
20434         (aarch64_validate_march): Likewise.
20435         (aarch64_validate_mtune): Likewise.
20436
20437 2017-03-10  Bernd Schmidt  <bschmidt@redhat.com>
20438
20439         PR rtl-optimization/78911
20440         * lra-assigns.c (must_not_spill_p): New function.
20441         (spill_for): Use it.
20442
20443 2017-03-10  Jakub Jelinek  <jakub@redhat.com>
20444
20445         PR tree-optimization/79981
20446         * tree-vrp.c (extract_range_basic): Handle IMAGPART_EXPR of
20447         ATOMIC_COMPARE_EXCHANGE ifn result.
20448         (stmt_interesting_for_vrp, vrp_visit_stmt): Handle
20449         IFN_ATOMIC_COMPARE_EXCHANGE.
20450
20451 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
20452
20453         PR driver/79875
20454         * opts.c (parse_sanitizer_options): Add missing question mark to
20455         "did you mean" message.
20456
20457 2017-03-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
20458
20459         * config/rs6000/rs6000-builtin.def (VMULEUB_UNS): Remove orphaned
20460         built-in.
20461         (VMULEUH_UNS): Likewise.
20462         (VMULOUB_UNS): Likewise.
20463         (VMULOUH_UNS): Likewise.
20464         * config/rs6000/rs6000.c (builtin_function_type): Remove
20465         references to ALTIVEC_BUILTIN_VMUL[EO]U[BH]_UNS.
20466
20467 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
20468
20469         PR bootstrap/79952
20470         * read-rtl-function.c (function_reader::read_rtx_operand): Update
20471         x with result of extra_parsing_for_operand_code_0.
20472         (function_reader::extra_parsing_for_operand_code_0): Convert
20473         return type from void to rtx, returning x.  When reading
20474         SYMBOL_REF with SYMBOL_FLAG_HAS_BLOCK_INFO, reallocate x to the
20475         larger size containing struct block_symbol.
20476
20477 2017-03-10  Segher Boessenkool  <segher@kernel.crashing.org>
20478
20479         * config/rs6000/rs6000.c (rs6000_option_override_internal): Disallow
20480         -mfloat128-hardware without -m64.
20481
20482 2017-03-10  Will Schmidt <will_schmidt@vnet.ibm.com>
20483
20484         PR target/79941
20485         * config/rs6000/rs6000.c (builtin_function_type): Add VMUL*U[HB]
20486         entries to the case statement that marks unsigned arguments to
20487         overloaded functions.
20488
20489 2017-03-10  Kelvin Nilsen  <kelvin@gcc.gnu.org>
20490
20491         * config/rs6000/rs6000.c (rs6000_option_override_internal): Fix
20492         two typographic errors in the handling of TARGET_UPPER_REGS_DI.
20493
20494 2017-03-10  Pat Haugen  <pthaugen@us.ibm.com>
20495
20496         PR target/79907
20497         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Test
20498         TARGET_UPPER_REGS_DI when setting 'wi' constraint regclass.
20499
20500 2017-03-10  Martin Liska  <mliska@suse.cz>
20501
20502         PR target/65705
20503         PR target/69804
20504         * toplev.c (process_options): Enable MPX with LSAN and UBSAN.
20505         * tree-chkp.c (chkp_walk_pointer_assignments): Verify that
20506         FIELD != NULL.
20507
20508 2017-03-10  Olivier Hainque  <hainque@adacore.com>
20509
20510         * tree-switch-conversion (array_value_type): Start by resetting
20511         candidate type to it's main variant.
20512
20513 2017-03-10  Jakub Jelinek  <jakub@redhat.com>
20514
20515         PR rtl-optimization/79909
20516         * combine.c (try_combine): Use simplify_replace_rtx on individual
20517         CALL_INSN_FUNCTION_USAGE elements instead of replace_rtx on copy_rtx
20518         of the whole CALL_INSN_FUNCTION_USAGE.
20519
20520         PR tree-optimization/79972
20521         * gimple-ssa-warn-alloca.c (alloca_call_type): Only call
20522         get_range_info on SSA_NAMEs.  Formatting fixes.
20523
20524 2017-03-10  Richard Biener  <rguenther@suse.de>
20525             Jakub Jelinek  <jakub@redhat.com>
20526
20527         PR tree-optimization/77975
20528         * tree-ssa-loop-niter.c (get_base_for): Allow phi argument from latch
20529         edge to be constant.
20530         (get_val_for): For constant x return it.  Formatting fix.
20531         (loop_niter_by_eval): Avoid pointless looping if the next iteration
20532         would use the same bases as the current one.
20533
20534 2017-03-09  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
20535
20536         * config/rs6000/rs6000.c (rs6000_gen_le_vsx_permute): Use rotate
20537         instead of vec_select for V1TImode.
20538         * conifg/rs6000/vsx.md (VSX_LE): Remove mode iterator that is no
20539         longer needed.
20540         (VSX_LE_128): Add V1TI to this mode iterator.
20541         (*vsx_le_perm_load_<mode>): Change to use VSX_D mode iterator.
20542         (*vsx_le_perm_store_<mode>): Likewise.
20543         (pre-reload splitter for VSX stores): Likewise.
20544         (post-reload splitter for VSX stores): Likewise.
20545         (*vsx_xxpermdi2_le_<mode>): Likewise.
20546         (*vsx_lxvd2x2_le_<mode>): Likewise.
20547         (*vsx_stxvd2x2_le_<mode>): Likewise.
20548
20549 2017-03-09  Michael Eager  <eager@eagercon.com>
20550
20551         Correct failures with --enable-checking=yes,rtl.
20552
20553         * config/microblaze/microblaze.c (microblaze_expand_shift):
20554         Replace GET_CODE test with CONST_INT_P and INTVAL test with
20555         test for const0_rtx.
20556         * config/microblaze/microblaze.md (ashlsi3_byone, ashrsi3_byone,
20557         lshrsi3_byone): Replace INTVAL with test for const1_rtx.
20558
20559 2017-03-09  Richard Biener  <rguenther@suse.de>
20560
20561         PR tree-optimization/79977
20562         * graphite-scop-detection.c (scop_detection::merge_sese):
20563         Handle the case of extra exits to blocks dominating the entry.
20564
20565 2017-03-09  Toma Tabacu  <toma.tabacu@imgtec.com>
20566
20567         * doc/sourcebuild.texi (Effective-Target Keywords, Other attributes):
20568         Document rdynamic.
20569
20570 2017-03-09  Vladimir Makarov  <vmakarov@redhat.com>
20571
20572         PR rtl-optimization/79949
20573         * lra-constraints.c (process_alt_operands): Check memory when
20574         trying to predict a cycle.  Print about the overall increase.
20575
20576 2017-03-09  Richard Biener  <rguenther@suse.de>
20577
20578         PR middle-end/79971
20579         * gimple-expr.c (useless_type_conversion_p): Preserve
20580         TYPE_SATURATING for fixed-point types.
20581
20582 2017-03-09  Richard Biener  <rguenther@suse.de>
20583
20584         PR ipa/79970
20585         * ipa-prop.c (ipa_modify_formal_parameters): Avoid changing
20586         alignment of BLKmode params.
20587
20588 2017-03-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
20589
20590         PR target/79913
20591         * config/aarch64/iterators.md (VALL_F16_NO_V2Q): New mode iterator.
20592         (VALL_NO_V2Q): Likewise.
20593         (VDQF_DF): Delete.
20594         * config/aarch64/aarch64-simd.md
20595         (aarch64_dup_lane_<vswap_width_name><mode>): Use VALL_F16_NO_V2Q
20596         iterator.
20597         (*aarch64_simd_vec_copy_lane_<vswap_width_name><mode>): Use
20598         VALL_NO_V2Q mode iterator.
20599         (*aarch64_vgetfmulx<mode>): Use VDQF iterator.
20600
20601 2017-03-09  Martin Liska  <mliska@suse.cz>
20602
20603         PR tree-optimization/79631
20604         * tree-chkp-opt.c (chkp_is_constant_addr): Call
20605         tree_int_cst_sign_bit just for INTEGER constants.
20606
20607 2017-03-09  Martin Liska  <mliska@suse.cz>
20608
20609         PR target/65705
20610         PR target/69804
20611         * toplev.c (process_options): Disable -fcheck-pointer-bounds with
20612         sanitizers.
20613
20614 2017-03-09  Marek Polacek  <polacek@redhat.com>
20615
20616         PR c++/79672
20617         * tree.c (inchash::add_expr): Handle TREE_VEC.
20618
20619 2017-03-09  Martin Liska  <mliska@suse.cz>
20620
20621         PR ipa/79764
20622         (chkp_narrow_size_and_offset): New function.
20623         (chkp_parse_array_and_component_ref): Support BIT_FIELD_REF.
20624         (void chkp_parse_bit_field_ref): New function.
20625         (chkp_make_addressed_object_bounds): Add case for BIT_FIELD_REF.
20626         (chkp_process_stmt): Use chkp_parse_bit_field_ref.
20627
20628 2017-03-09  Martin Liska  <mliska@suse.cz>
20629
20630         PR ipa/79761
20631         * tree-chkp.c (chkp_get_bound_for_parm): Get bounds for a param.
20632         (chkp_find_bounds_1): Remove gcc_unreachable.
20633
20634 2017-03-09  Jakub Jelinek  <jakub@redhat.com>
20635
20636         PR sanitizer/79944
20637         * asan.c (get_mem_refs_of_builtin_call): For BUILT_IN_ATOMIC* and
20638         BUILT_IN_SYNC*, determine the access type from the size suffix and
20639         always build a MEM_REF with that type.  Handle forgotten
20640         BUILT_IN_SYNC_FETCH_AND_NAND_16 and BUILT_IN_SYNC_NAND_AND_FETCH_16.
20641
20642         PR target/79932
20643         * config/i386/avx512vlintrin.h (_mm256_cmpge_epi32_mask,
20644         _mm256_cmpge_epi64_mask, _mm256_cmpge_epu32_mask,
20645         _mm256_cmpge_epu64_mask, _mm256_cmple_epi32_mask,
20646         _mm256_cmple_epi64_mask, _mm256_cmple_epu32_mask,
20647         _mm256_cmple_epu64_mask, _mm256_cmplt_epi32_mask,
20648         _mm256_cmplt_epi64_mask, _mm256_cmplt_epu32_mask,
20649         _mm256_cmplt_epu64_mask, _mm256_cmpneq_epi32_mask,
20650         _mm256_cmpneq_epi64_mask, _mm256_cmpneq_epu32_mask,
20651         _mm256_cmpneq_epu64_mask, _mm256_mask_cmpge_epi32_mask,
20652         _mm256_mask_cmpge_epi64_mask, _mm256_mask_cmpge_epu32_mask,
20653         _mm256_mask_cmpge_epu64_mask, _mm256_mask_cmple_epi32_mask,
20654         _mm256_mask_cmple_epi64_mask, _mm256_mask_cmple_epu32_mask,
20655         _mm256_mask_cmple_epu64_mask, _mm256_mask_cmplt_epi32_mask,
20656         _mm256_mask_cmplt_epi64_mask, _mm256_mask_cmplt_epu32_mask,
20657         _mm256_mask_cmplt_epu64_mask, _mm256_mask_cmpneq_epi32_mask,
20658         _mm256_mask_cmpneq_epi64_mask, _mm256_mask_cmpneq_epu32_mask,
20659         _mm256_mask_cmpneq_epu64_mask, _mm_cmpge_epi32_mask,
20660         _mm_cmpge_epi64_mask, _mm_cmpge_epu32_mask, _mm_cmpge_epu64_mask,
20661         _mm_cmple_epi32_mask, _mm_cmple_epi64_mask, _mm_cmple_epu32_mask,
20662         _mm_cmple_epu64_mask, _mm_cmplt_epi32_mask, _mm_cmplt_epi64_mask,
20663         _mm_cmplt_epu32_mask, _mm_cmplt_epu64_mask, _mm_cmpneq_epi32_mask,
20664         _mm_cmpneq_epi64_mask, _mm_cmpneq_epu32_mask, _mm_cmpneq_epu64_mask,
20665         _mm_mask_cmpge_epi32_mask, _mm_mask_cmpge_epi64_mask,
20666         _mm_mask_cmpge_epu32_mask, _mm_mask_cmpge_epu64_mask,
20667         _mm_mask_cmple_epi32_mask, _mm_mask_cmple_epi64_mask,
20668         _mm_mask_cmple_epu32_mask, _mm_mask_cmple_epu64_mask,
20669         _mm_mask_cmplt_epi32_mask, _mm_mask_cmplt_epi64_mask,
20670         _mm_mask_cmplt_epu32_mask, _mm_mask_cmplt_epu64_mask,
20671         _mm_mask_cmpneq_epi32_mask, _mm_mask_cmpneq_epi64_mask,
20672         _mm_mask_cmpneq_epu32_mask, _mm_mask_cmpneq_epu64_mask): Move
20673         definitions outside of __OPTIMIZE__ guarded section.
20674
20675         PR target/79932
20676         * config/i386/avx512bwintrin.h (_mm512_packs_epi32,
20677         _mm512_maskz_packs_epi32, _mm512_mask_packs_epi32,
20678         _mm512_packus_epi32, _mm512_maskz_packus_epi32,
20679         _mm512_mask_packus_epi32): Move definitions outside of __OPTIMIZE__
20680         guarded section.
20681
20682 2017-03-09  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
20683
20684         * config/s390/vx-builtins.md ("vfee<mode>", "vfeez<mode>")
20685         ("vfenez<mode>"): Add missing constraints.
20686
20687 2017-03-08  Martin Sebor  <msebor@redhat.com>
20688
20689         PR target/79928
20690         * config/nds32/nds32.c (nds32_option_override):
20691         Fix misspelled diagnostic.
20692
20693 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
20694
20695         PR c/79940
20696         * gimplify.c (gimplify_omp_for): Replace index var in outer
20697         taskloop statement with an artificial variable and add
20698         OMP_CLAUSE_PRIVATE clause for it.
20699
20700 2017-03-08  Richard Biener  <rguenther@suse.de>
20701
20702         PR tree-optimization/79955
20703         * tree-ssa-uninit.c (warn_uninitialized_vars): Do not warn
20704         for accesses that are completely outside of the variable.
20705
20706 2017-03-08  Andrew Haley  <aph@redhat.com>
20707
20708         PR tree-optimization/79943
20709         * tree-ssa-loop-split.c (compute_new_first_bound): When
20710         calculating the new upper bound, (END-BEG) should be added, not
20711         subtracted.
20712
20713 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
20714
20715         * config/avr/avr.md (setmemhi): Make sure match_dup
20716         operand number comes before match_scratch.
20717
20718 2017-03-08  Richard Biener  <rguenther@suse.de>
20719
20720         PR tree-optimization/79920
20721         * tree-vect-slp.c (vect_create_mask_and_perm): Remove and inline
20722         with ncopies == 1 to ...
20723         (vect_transform_slp_perm_load): ... here.  Properly compute
20724         all element loads by iterating VF times over the group.  Do
20725         not handle ncopies (computed in a broken way) in
20726         vect_create_mask_and_perm.
20727
20728 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
20729
20730         PR sanitizer/79904
20731         * internal-fn.c (expand_vector_ubsan_overflow): If arg0 or arg1
20732         is a uniform vector, use uniform_vector_p return value instead of
20733         building ARRAY_REF on folded VIEW_CONVERT_EXPR to array type.
20734
20735 2017-03-07  Marek Polacek  <polacek@redhat.com>
20736
20737         PR middle-end/79809
20738         * gimple-ssa-warn-alloca.c (pass_walloca::gate): Use HOST_WIDE_INT.
20739         (alloca_call_type): Likewise.
20740
20741 2017-03-07  Martin Liska  <mliska@suse.cz>
20742
20743         * gcov.c (process_args): Put comment to correct location.
20744
20745 2017-03-07  Martin Liska  <mliska@suse.cz>
20746
20747         PR middle-end/68270
20748         * tree-chkp.c (chkp_may_narrow_to_field): Add new argument ref.
20749         Use array_at_struct_end_p instead of DECL_CHAIN (field).
20750         (chkp_narrow_bounds_for_field): Likewise.
20751         (chkp_parse_array_and_component_ref): Pass one more argument to
20752         call.
20753
20754 2017-03-07  Richard Biener  <rguenther@suse.de>
20755
20756         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Preserve
20757         preheaders.
20758
20759 2017-03-07  Segher Boessenkool  <segher@kernel.crashing.org>
20760
20761         * config/i386/i386.c (ix86_local_alignment): Align most aggregates
20762         of 16 bytes and more to 16 bytes, not those of 16 bits and more.
20763
20764 2017-03-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
20765
20766         PR c/79855
20767         * params.def (PARAM_STORE_MERGING_ALLOW_UNALIGNED): Add full stop
20768         to end of description.
20769         (PARAM_MAX_STORES_TO_MERGE): Likewise.
20770
20771 2017-03-07  Jakub Jelinek  <jakub@redhat.com>
20772
20773         PR rtl-optimization/79901
20774         * config/i386/sse.md (*avx512bw_<code><mode>3<mask_name>): Renamed to
20775         ...
20776         (*avx512f_<code><mode>3<mask_name>): ... this.
20777         (<code><mode>3 with maxmin code iterator): Use VI8_AVX2_AVX512F
20778         iterator instead of VI8_AVX2_AVX512BW.
20779
20780         PR rtl-optimization/79901
20781         * expr.c (expand_expr_real_2): For vector MIN/MAX, if there is no
20782         min/max expander, expand it using expand_vec_cond_expr.
20783
20784         PR sanitizer/79897
20785         * ubsan.c (ubsan_encode_value): Call mark_addressable on the
20786         temporary.
20787
20788 2017-03-06  Jakub Jelinek  <jakub@redhat.com>
20789
20790         PR c++/79821
20791         * dwarf2out.h (dw_vec_const): Change array type from unsigned char *
20792         to void * for PCH reasons.
20793         * dwarf2out.c (output_loc_operands, output_die): Cast
20794         v.val_vec.array to unsigned char *.
20795
20796 2017-03-06  John David Anglin  <danglin@gcc.gnu.org>
20797
20798         PR target/77850
20799         * config/pa/pa-64.h (PAD_VARARGS_DOWN): Don't pad down complex and
20800         vector types.
20801
20802 2017-03-06  Vladimir Makarov  <vmakarov@redhat.com>
20803
20804         PR rtl-optimization/79571
20805         * lra-constraints.c (process_alt_operands): Calculate static
20806         reject and subtract it from overall when only addresses will be
20807         reloaded.
20808
20809 2017-03-06  Julia Koval  <julia.koval@intel.com>
20810
20811         PR target/79793
20812         * config/i386/i386.c (ix86_minimum_incoming_stack_boundary): Set
20813         incoming stack boundary to 128 for 64-bit targets.
20814
20815 2017-03-06  Richard Biener  <rguenther@suse.de>
20816
20817         PR tree-optimization/79894
20818         * tree-vectorizer.c (vectorize_loops): Set loop_vectorized_call
20819         to NULL after folding it.
20820
20821 2017-03-06  Richard Biener  <rguenther@suse.de>
20822
20823         PR tree-optimization/79824
20824         * tree-vect-stmts.c (get_group_load_store_type): Fix alignment
20825         check disabling peeling for gaps.
20826
20827 2017-03-06  Toma Tabacu  <toma.tabacu@imgtec.com>
20828
20829         * doc/sourcebuild.texi (Effective-Target Keywords, Environment
20830         attributes): Document gettimeofday.
20831
20832 2017-03-06  Robin Dapp  <rdapp@linux.vnet.ibm.com>
20833
20834         * config/s390/s390.c (s390_option_override_internal): Set
20835         PARAM_MIN_VECT_LOOP_BOUND
20836
20837 2017-03-06  Robin Dapp  <rdapp@linux.vnet.ibm.com>
20838
20839         * config/s390/s390.c (s390_asm_output_function_label): Use nopr %r0.
20840         * config/s390/s390.md: Likewise.
20841
20842 2017-03-06  Jakub Jelinek  <jakub@redhat.com>
20843
20844         PR target/79812
20845         * config/i386/sse.md (VI8F_256_512): Remove mode iterator.
20846         (<avx2_avx512>_perm<mode>): Rename to ...
20847         (avx2_perm<mode>): ... this.  Use VI8F_256 iterator instead
20848         of VI8F_256_512.
20849         (<avx512>_perm<mode>_mask): Rename to ...
20850         (avx512vl_perm<mode>_mask): ... this.  Use VI8F_256 iterator instead
20851         of VI8F_256_512.
20852         (<avx2_avx512>_perm<mode>_1<mask_name>): Rename to ...
20853         (avx2_perm<mode>_1<mask_name): ... this.  Use VI8F_256 iterator
20854         instead of VI8F_256_512.
20855         (avx512f_perm<mode>): New define_expand.
20856         (avx512f_perm<mode>_mask): Likewise.
20857         (avx512f_perm<mode>_1<mask_name>): New define_insn.
20858         (<avx512>_vec_dup<mode>_1): Fix up vec_select mode.
20859
20860 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
20861
20862         * config/mips/mips-msa.md (msa_fmax_a_<msafmt>, msa_fmin_a_<msafmt>,
20863         msa_max_a_<msafmt>, msa_min_a_<msafmt>): Introduce mode interator for
20864         if_then_else.
20865         (smin<mode>3, smax<mode>3): Change operand print code from 'B' to 'E'.
20866
20867 2017-03-06  Martin Liska  <mliska@suse.cz>
20868
20869         PR sanitize/79783
20870         * asan.c (asan_expand_poison_ifn): Do not expand ASAN_POISON
20871         when having a SSA NAME w/o VAR_DECL assigned to it.
20872
20873 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
20874
20875         * config/mips/mips-msa.md (msa_dotp_<su>_d, msa_dpadd_<su>_d,
20876         msa_dpsub_<su>_d): Fix MODE for vec_select.
20877
20878 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
20879
20880         * config/mips/mips.c (mips_gen_const_int_vector): Change type of last
20881         argument.
20882         * config/mips/mips-protos.h (mips_gen_const_int_vector): Likewise.
20883
20884 2017-03-06  Richard Biener  <rguenther@suse.de>
20885
20886         * lto-streamer.c (lto_check_version): Use %qs in diagnostics.
20887         * plugin.c (register_plugin_info): Likewise.
20888         * tree-chkp.c (chkp_make_static_const_bounds): Likewise.
20889
20890 2017-03-05  Jakub Jelinek  <jakub@redhat.com>
20891
20892         * config/i386/sse.md (sse_storehps, sse_storelps,
20893         avx_<castmode><avxsizesuffix>_<castmode>,
20894         avx512f_<castmode><avxsizesuffix>_<castmode>,
20895         avx512f_<castmode><avxsizesuffix>_256<castmode>): Require
20896         in condition that at least one operand is not a MEM.
20897
20898 2017-03-03  Jakub Jelinek  <jakub@redhat.com>
20899
20900         PR middle-end/79805
20901         * internal-fn.def (ATOMIC_BIT_TEST_AND_SET, ATOMIC_BIT_TEST_AND_RESET,
20902         ATOMIC_BIT_TEST_AND_COMPLEMENT, ATOMIC_COMPARE_EXCHANGE): Remove
20903         ECF_NOTHROW.
20904         * gimple-fold.c (fold_builtin_atomic_compare_exchange): Set
20905         gimple_call_nothrow_p flag based on whether original builtin can throw.
20906         If it can, emit following stmts on the fallthrough edge.
20907         * tree-ssa-ccp.c (optimize_atomic_bit_test_and): Similarly, except
20908         don't create new bb if inserting just debug stmts on the edge, try to
20909         insert them on the fallthru bb or just reset debug stmts.
20910
20911 2017-03-03  Segher Boesssenkool  <segher@kernel.crashing.org>
20912
20913         PR target/43763
20914         * config/rs6000/rs6000.c (rs6000_final_prescan_insn): Save and
20915         restore recog_data (including the operand rtxes inside it) around
20916         the call to get_insn_template.
20917
20918 2017-03-03  Martin Sebor  <msebor@redhat.com>
20919
20920         PR tree-optimization/79699
20921         * context.c (context::~context): Free MPFR caches to avoid
20922         a memory leak on program exit.
20923
20924 2017-03-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
20925
20926         * config/aarch64/aarch64.c (aarch64_float_const_representable_p):
20927         Use wide_int::ulow () instead of .elt (0).
20928
20929 2017-03-03  Uros Bizjak  <ubizjak@gmail.com>
20930
20931         * config/i386/i386.md (*pushtf): Change *roF constraint to *roC.
20932         (*pushxf): Limit oF constraint to 32bit targets and add oC
20933         constraint for 64bit targets.
20934         (pushxf splitter): Use PUSH_ROUNDING to calculate stack adjustment.
20935         (*pushdf): Change rmF constraint to rmC.
20936
20937 2017-03-03  Martin Liska  <mliska@suse.cz>
20938
20939         * tree-ssa-loop-prefetch.c (pass_loop_prefetch::execute):
20940         Remove unused variable.
20941
20942 2017-03-03  Jakub Jelinek  <jakub@redhat.com>
20943
20944         PR target/79807
20945         * config/i386/i386.c (ix86_expand_multi_arg_builtin): If target
20946         is a memory operand, increase num_memory.
20947         (ix86_expand_args_builtin): Likewise.
20948
20949 2017-03-03  Jan Hubicka  <jh@suse.cz>
20950
20951         PR lto/79760
20952         * ipa-devirt.c (maybe_record_node): Properly handle
20953         __cxa_pure_virtual visibility.
20954
20955 2017-03-03  Martin Liska  <mliska@suse.cz>
20956
20957         PR tree-optimization/79803
20958         * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Remove
20959         assert.
20960         (pass_loop_prefetch::execute): Disabled optimization if an
20961         assumption about L1 cache size is not met.
20962
20963 2017-03-03  Martin Liska  <mliska@suse.cz>
20964
20965         PR rtl-optimization/79574
20966         * gcse.c (struct gcse_expr): Use HOST_WIDE_INT instead of int.
20967         (hash_scan_set): Likewise.
20968         (dump_hash_table): Likewise.
20969         (hoist_code): Likewise.
20970
20971 2017-03-03  Richard Biener  <rguenther@suse.de>
20972
20973         * fixed-value.c (fixed_from_string): Restore use of elt (1)
20974         in place of uhigh ().
20975         (fixed_convert_from_real): Likewise.
20976
20977 2017-03-03  Uros Bizjak  <ubizjak@gmail.com>
20978
20979         PR target/79514
20980         * config/i386/i386.md (*pushxf_rounded): Use Pmode instead of DImode.
20981
20982 2017-03-03  Richard Biener  <rguenther@suse.de>
20983
20984         PR middle-end/79818
20985         * match.pd ( X +- C1 CMP C2 -> X CMP C2 -+ C1): Add missing
20986         TYPE_OVERFLOW_UNDEFINED check.
20987
20988 2017-03-02  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
20989
20990         * config/rs6000/vector.md (vector_ne_<mode>_p): Correct operand
20991         numbers.
20992         (vector_ae_<mode>_p): Likewise.
20993         (vector_nez_<mode>_p): Likewise.
20994         (vector_ne_v2di_p): Likewise.
20995         (vector_ae_v2di_p): Likewise.
20996         (vector_ne_<mode>_p): Likewise.
20997         * config/rs6000/vsx.md (vsx_tsqrt<mode>2_fg): Correct operand
20998         numbers.
20999         (vsx_tsqrt<mode>2_fe): Likewise.
21000
21001 2017-03-02  Uros Bizjak  <ubizjak@gmail.com>
21002
21003         PR target/79514
21004         * config/i386/i386.md (*pushxf_rounded): New insn_and_split pattern.
21005
21006 2017-03-02  Jakub Jelinek  <jakub@redhat.com>
21007
21008         PR rtl-optimization/79780
21009         * cprop.c (one_cprop_pass): When second and further conditional trap
21010         in a single basic block is turned into an unconditional trap, turn it
21011         into a deleted note to avoid RTL verification failures.
21012
21013 2017-03-02  Richard Biener  <rguenther@suse.de>
21014
21015         * fold-const.c (const_binop): Use ulow () instead of elt (0).
21016
21017 2017-03-02  Richard Biener  <rguenther@suse.de>
21018
21019         PR tree-optimization/79345
21020         PR c++/42000
21021         * tree-ssa-alias.c (walk_aliased_vdefs_1): Take a limit
21022         param and abort the walk, returning -1 if it is hit.
21023         (walk_aliased_vdefs): Take a limit param and pass it on.
21024         * tree-ssa-alias.h (walk_aliased_vdefs): Add a limit param,
21025         defaulting to 0 and return a signed int.
21026         * tree-ssa-uninit.c (struct check_defs_data): New struct.
21027         (check_defs): New helper.
21028         (warn_uninitialized_vars): Use walk_aliased_vdefs to warn
21029         about uninitialized memory.
21030         * fixed-value.c (fixed_from_string): Use ulow/uhigh to avoid
21031         bogus uninitialized warning.
21032         (fixed_convert_from_real): Likewise.
21033
21034 2017-03-02  Bin Cheng  <bin.cheng@arm.com>
21035
21036         PR tree-optimization/66768
21037         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Skip addr
21038         iv_use if base object can't be determined.
21039
21040 2017-03-02  Jakub Jelinek  <jakub@redhat.com>
21041
21042         PR tree-optimization/79345
21043         * gensupport.h (struct pattern_stats): Add min_scratch_opno field.
21044         * gensupport.c (get_pattern_stats_1) <case MATCH_SCRATCH>: Update it.
21045         (get_pattern_stats): Initialize it.
21046         * genemit.c (gen_expand): Verify match_scratch numbers come after
21047         match_operand/match_dup numbers.
21048         * config/i386/i386.md (<s>mul<mode>3_highpart): Swap match_dup and
21049         match_scratch numbers.
21050         * config/i386/sse.md (avx2_gathersi<mode>, avx2_gatherdi<mode>):
21051         Likewise.
21052         * config/s390/s390.md (trunctdsd2): Likewise.
21053
21054 2017-03-02  Richard Biener  <rguenther@suse.de>
21055
21056         * wide-int.h (wide_int_storage::operator=): Implement in terms
21057         of wi::copy.
21058
21059 2017-03-02  Richard Biener  <rguenther@suse.de>
21060
21061         PR tree-optimization/79777
21062         * tree-ssa-pre.c (eliminate_insert): Give up if we simplify
21063         the to insert expression to sth existing.
21064
21065 2017-03-01  Martin Sebor  <msebor@redhat.com>
21066
21067         PR middle-end/79692
21068         * gimple-ssa-sprintf.c
21069         (directive::known_width_and_precision): New function.
21070         (format_integer): Use it.
21071         (get_mpfr_format_length): Consider the full range of precision
21072         when computing %g output with the # flag.  Set the likely byte
21073         count to 3 rather than 1 when precision is indeterminate.
21074         (format_floating): Correct the lower bound of precision.
21075
21076 2017-03-01  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
21077
21078         * doc/invoke.texi: Document default code model for 64-bit Linux.
21079
21080 2017-03-01  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
21081
21082         PR target/79752
21083         * config/rs6000/rs6000.md (peephole2 for udiv/umod): Should emit
21084         udiv rather than div since input pattern is unsigned.
21085
21086 2017-03-01  Uros Bizjak  <ubizjak@gmail.com>
21087
21088         * config/i386/i386.c (print_reg): Warn for values of
21089         unsupported size in integer register.
21090
21091 2017-03-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
21092
21093         PR target/79439
21094         * config/rs6000/predicates.md (current_file_function_operand): Do
21095         not allow self calls to be local if the function is replaceable.
21096
21097 2017-03-01  Kelvin Nilsen  <kelvin@gcc.gnu.org>
21098
21099         PR target/79395
21100         * config/rs6000/altivec.h (vec_ctz and others): Change the
21101         preprocessor macro that controls conditional compilation from
21102         _ARCH_PWR9 to __POWER9_VECTOR__.
21103         (vec_all_ne): Change parameterization of __altivec_scalar_pred
21104         macro expansion under preprocessor #ifdef __POWER9_VECTOR__
21105         control (instead of _ARCH_PWR9 control) so that template
21106         definition uses power9-specific function.
21107         (vec_any_eq): Likewise.
21108         (vec_all_ne): Change macro definition to use a power9-specific
21109         expansion under #ifdef __POWER9_VECTOR__ control (instead of
21110         _ARCH_PWR9 control).
21111         (vec_any_eq) Likewise.
21112         * config/rs6000/rs6000-builtin.def (CMPNEF): Remove BU_P9V_AV_2
21113         expansion for CMPNEF to remove support for xvcmpnesp instruction.
21114         (CMPNED): Remove BU_P9V_AV2 expansion for CMPNED to remove
21115         support for xvcmpnedp instruction.
21116         (VCMPNEB_P): Replace BU_P9V_AV_P macro expansion with BU_P9V_AV_2
21117         macro expansion so that Power9 implementation of vec_all_ne does
21118         not use the AltiVec predicate framework.
21119         (VCMPNEH_P): Likewise.
21120         (VCMPNEW_P): Likewise.
21121         (VCMPNED_P): Likewise.
21122         (VCMPNEFP_P): Likewise.
21123         (VCMPNEDP_P): Likewise.
21124         (VCMPAEB_P): Add BU_P9V_AV_2 macro expansion to change
21125         implementation of vec_any_eq to not use AltiVec predicate
21126         framework.
21127         (VCMPAEH_P): Likewise.
21128         (VCMPAEW_P): Likewise.
21129         (VCMPAED_P): Likewise.
21130         (VCMPAEFP_P): Likewise.
21131         (VCMPAEDP_P): Likewise.
21132         (VCMPNE_P): Replace BU_P9V_OVERLOAD_P macro expansion with
21133         BU_P9V_OVERLOAD_2 so that Power9 implementation of vec_all_ne does
21134         not use the AltiVec predicate framework.
21135         (VCMPAE_P): Add BU_P9V_OVERLOAD_2 macro to change implementation
21136         of vec_any_eq to not use AltiVec predicate framework.
21137         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Add
21138         support for predefined __POWER9_VECTOR__ macro to indicate that
21139         Power9 instruction selection is enabled.
21140         (altivec_overloaded_builtins): Remove extraneous
21141         ALTIVEC_BUILTIN_VEC_CMPNE entry for overloaded
21142         function argument types RS6000_BTI_bool_V16QI and
21143         RS6000_BTI_bool_V16QI.  Remove erroneous ALTIVEC_BUILTIN_VEC_CMPNE
21144         entry for overloaded function argument types RS6000_BTI_bool_V4SI
21145         andRS6000_BTI_bool_V4SI, mapping to P9V_BUILTIN_CMPNEB.  Remove
21146         two entries mapping to P9V_BUITIN_CMPNED and one entry mapping to
21147         P9V_BUILTIN_CMPNEF to force use of instructions not specific to
21148         Power9 for implementations of vec_cmpne.  Change the signature for
21149         all definitions of the overloaded P9V_BUILTIN_VEC_CMPNE_P function
21150         (representing vec_all_ne) to remove the previously described first
21151         argument of type RS6000_BTI_INTSI, as this was an artifact of
21152         reliance on the AltiVec predicate framework, which is no longer
21153         used in the implementation of these functions.  Add
21154         P9V_BUILTIN_VEC_VCMPAE_P entries (representing the vec_anyeq
21155         function) to match all of the P9V_BUILTIN_VEC_VCMNE_P entries
21156         since, unlike the AltiVec predicate framework implementation, we
21157         do not share function descriptors between vec_alle and vec_anyeq.
21158         (altivec_resolve_overloaded_builtin): Add SFmode and DFmode to the
21159         set of modes that receive special treatment even when
21160         TARGET_P9_VECTOR is true.  The special treatment emits code that
21161         does not depend on Power9 instructions.
21162         * config/rs6000/vector.md (vector_ne_<mode>_p): Change this
21163         define_expand to not rely on AltiVec predicate framework.
21164         (vector_ae_<mode>p): New define_expand to represent vec_any_eq
21165         function.
21166         (vector_ne_v2di_p): Change this define_expand to not rely on
21167         AltiVec predicate framework.
21168         (vector_ae_v2di_p): New define_expand to represent vec_any_eq
21169         function.
21170         (vector_ne_<mode>_p): Change this define_expand to not rely on
21171         AltiVec predicate framework.
21172         (vector_ae_<mode>p): New define_expand to represent vec_any_eq
21173         function.
21174         * config/rs6000/vsx.md (*vsx_ne_<mode>_p): For modes VSX_EXTRACT_I
21175         (V16QI, V8HI, V4SI), correct a typo in the code emitted for this
21176         define_insn pattern.
21177         (*vsx_ne_<mode>_p): For modes VSX_F (V4SF and V2DF), remove this
21178         define_insn pattern because the xvcmpne<VSs>. instruction is not
21179         supported.
21180         (vcmpne<VSs>): Remove this define_insn because xvcmpne<VSs>
21181         instruction is not supported.
21182
21183 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
21184
21185         * config/nvptx/nvptx.c: Include intl.h.
21186
21187 2017-03-01  Martin Jambor  <mjambor@suse.cz>
21188
21189         PR lto/78140
21190         * ipa-prop.h (ipa_bits): Removed field known.
21191         (ipa_jump_func): Removed field vr_known.  Changed fields bits and m_vr
21192         to pointers.  Adjusted their comments to warn about their sharing.
21193         (ipcp_transformation_summary): Change bits to a vector of pointers.
21194         (ipa_check_create_edge_args): Moved to ipa-prop.c, declare.
21195         (ipa_get_ipa_bits_for_value): Declare.
21196         * tree-vrp.h (value_range): Mark as GTY((for_user)).
21197         * ipa-prop.c (ipa_bit_ggc_hash_traits): New.
21198         (ipa_bits_hash_table): Likewise.
21199         (ipa_vr_ggc_hash_traits): Likewise.
21200         (ipa_vr_hash_table): Likewise.
21201         (ipa_print_node_jump_functions_for_edge): Adjust for bits and m_vr
21202         being pointers and vr_known being removed.
21203         (ipa_set_jf_unknown): Likewise.
21204         (ipa_get_ipa_bits_for_value): New function.
21205         (ipa_set_jfunc_bits): Likewise.
21206         (ipa_get_value_range): New overloaded functions.
21207         (ipa_set_jfunc_vr): Likewise.
21208         (ipa_compute_jump_functions_for_edge): Use the above functions to
21209         construct bits and vr parts of jump functions.
21210         (ipa_check_create_edge_args): Move here from ipa-prop.h, also allocate
21211         ipa_bits_hash_table and ipa_vr_hash_table if they do not already
21212         exist.
21213         (ipcp_grow_transformations_if_necessary): Also allocate
21214         ipa_bits_hash_table and ipa_vr_hash_table if they do not already
21215         exist.
21216         (ipa_node_params_t::duplicate): Do not copy bits, just pointers to
21217         them.  Fix too long lines.
21218         (ipa_write_jump_function): Adjust for bits and m_vr being pointers and
21219         vr_known being removed.
21220         (ipa_read_jump_function): Use new setter functions to construct bits
21221         and vr parts of jump functions or set them to NULL.
21222         (write_ipcp_transformation_info): Adjust for bits being pointers.
21223         (read_ipcp_transformation_info): Likewise.
21224         (ipcp_update_bits): Likewise.  Fix excessively long lines a trailing
21225         space.
21226         Include gt-ipa-prop.h.
21227         * ipa-cp.c (propagate_bits_across_jump_function): Adjust for bits
21228         being pointers.
21229         (ipcp_store_bits_results): Likewise.
21230         (propagate_vr_across_jump_function): Adjust for m_vr being a pointer.
21231         Do not write to existing jump functions but use a temporary instead.
21232
21233 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
21234
21235         PR c++/79681
21236         * fold-const.c (make_bit_field_ref): If orig_inner is COMPONENT_REF,
21237         attempt to use its first operand as BIT_FIELD_REF base.
21238
21239 2017-03-01  Richard Biener  <rguenther@suse.de>
21240
21241         PR middle-end/79721
21242         * tree-chrec.c (chrec_evaluate): Perform computation of Newtons
21243         interpolating formula in wrapping arithmetic.
21244         (chrec_apply): Convert chrec_evaluate return value to wanted type.
21245
21246 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
21247
21248         PR tree-optimization/79734
21249         * tree-vect-generic.c (expand_vector_condition): Optimize
21250         AVX512 vector boolean VEC_COND_EXPRs into bitwise operations.
21251         Handle VEC_COND_EXPR where comparison has different inner width from
21252         type's inner width.
21253
21254 2017-02-28  Sandra Loosemore  <sandra@codesourcery.com>
21255
21256         * doc/invoke.texi (ARC Options): Copy-edit to fix punctuation,
21257         markup, and similar issues.  Remove @opindex entries for things
21258         that aren't options.  Add missing -mmpy-option entries.
21259
21260 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
21261
21262         PR tree-optimization/79737
21263         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): If bitlen is
21264         a multiple of BITS_PER_UNIT and !BYTES_BIG_ENDIAN, clear
21265         tmpbuf[byte_size - 1].  Call natice_encode_expr with byte_size - 1
21266         instead of byte_size.  Formatting fix.
21267         (shift_bytes_in_array_right): Formatting fix.
21268
21269 2017-02-28  Eric Botcazou  <ebotcazou@adacore.com>
21270
21271         PR target/79749
21272         * config/sparc/sparc.c (sparc_frame_pointer_required): Add missing
21273         condition on optimize for the leaf function test.
21274
21275 2017-02-28  Martin Liska  <mliska@suse.cz>
21276
21277         PR lto/79625
21278         * read-rtl-function.c (function_reader::handle_unknown_directive):
21279         Bail out when one uses -flto.
21280
21281 2017-02-28  Martin Liska  <mliska@suse.cz>
21282
21283         * common.opt: Replace space with tabular for options of <number>
21284         type.
21285         * config/i386/i386.opt: Show <number> value for
21286         -mlarge-data-threshold.
21287         * opts.c (print_filtered_help): Do not display number in hexadecimal
21288         format.
21289
21290 2017-02-28  Martin Liska  <mliska@suse.cz>
21291
21292         * common.opt: Fix --help=option -Q for options which are of
21293         an enum type.
21294
21295 2017-02-28  Uros Bizjak  <ubizjak@gmail.com>
21296
21297         * config/i386/i386.c (print_reg): Error out for values
21298         of 8-bit size in invalid integer register.
21299
21300 2017-02-28  Martin Sebor  <msebor@redhat.com>
21301
21302         PR tree-optimization/79691
21303         * passes.def (pass_all_optimizations_g): Enable pass_sprintf_length.
21304
21305 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
21306
21307         PR target/79729
21308         * config/i386/i386.c (ix86_print_operand) <case 'R'>: Replace
21309         gcc_unreachable with output_operand_lossage.
21310
21311 2017-02-28  Richard Biener  <rguenther@suse.de>
21312
21313         PR tree-optimization/79740
21314         * tree-ssa-sccvn.c (vn_nary_op_insert_into): Allow redundant
21315         inserts.
21316         (visit_nary_op): Insert the nary into the hashtable if we
21317         pattern-matched sth.
21318         * tree-ssa-pre.c (eliminate_insert): Robustify.
21319
21320 2017-02-28  Richard Biener  <rguenther@suse.de>
21321
21322         PR middle-end/79731
21323         * fold-const.c (decode_field_reference): Reject out-of-bound
21324         accesses.
21325
21326 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
21327
21328         * config/i386/i386.c: Include intl.h.
21329         (ix86_option_override_internal): Use cond ? G_("...") : G_("...")
21330         instead of just cond ? "..." : "...".
21331         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Likewise.
21332         * coverage.c (read_counts_file): Likewise.
21333         * omp-offload.c: Include intl.h.
21334         (oacc_loop_fixed_partitions): Use cond ? G_("...") : G_("...") instead
21335         of just cond ? "..." : "...".
21336         * gcov.c (read_count_file): Use cond ? N_("...") : N_("...") instead
21337         of just cond ? "..." : "...".
21338
21339 2017-02-28  Richard Earnshaw  <rearnsha@arm.com>
21340
21341         PR target/79742
21342         * config/arm/parsecpu.awk (gen_data): Set tuning target to 'tune for'
21343         entry, if present.
21344         * config/arm/arm-cpus.in (cortex-m0plus.small-multiply): Correct
21345         'tune for' CPU name.
21346         * config/arm/arm-cpu-data.h: Regenerated.
21347
21348 2017-02-28  Richard Biener  <rguenther@suse.de>
21349
21350         PR tree-optimization/79732
21351         * tree-inline.c (expand_call_inline): Do not shadow var.
21352
21353 2017-02-28  Richard Biener  <rguenther@suse.de>
21354
21355         PR tree-optimization/79723
21356         * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): Preserve
21357         address-space properly.
21358
21359 2017-02-28  Thomas Schwinge  <thomas@codesourcery.com>
21360
21361         * doc/optinfo.texi (Optimization groups): Fix option used for
21362         OPTGROUP_ALL.
21363         * doc/invoke.texi (-fopt-info): Document "omp".
21364         * dumpfile.h: Sort OPTGROUP_OMP before OPTGROUP_VEC.
21365         (OPTGROUP_ALL): Add OPTGROUP_OMP.
21366         * hsa-gen.c (pass_data_gen_hsail): Use OPTGROUP_OMP.
21367         * ipa-hsa.c (pass_data_ipa_hsa): Likewise.
21368         * omp-simd-clone.c (pass_data_omp_simd_clone): Likewise.
21369
21370         * dumpfile.h (OPTGROUP_OPENMP): Rename to OPTGROUP_OMP.  Adjust
21371         all users.
21372         * dumpfile.c (optgroup_options): Instead of "openmp", associate
21373         OPTGROUP_OMP with "omp".
21374
21375 2017-02-27  Pat Haugen  <pthaugen@us.ibm.com>
21376
21377         PR target/79544
21378         * config/rs6000/rs6000-c.c (struct altivec_builtin_types): Use VSRAD
21379         for arithmetic shift of unsigned V2DI.
21380
21381 2017-02-27  Claudiu Zissulescu  <claziss@synopsys.com>
21382
21383         * config.gcc (arc*-): Clean up, use arc/big.h, arc/elf.h, and
21384         arc/linux.h headers.
21385         * config/arc/arc.h (TARGET_OS_CPP_BUILTINS): Remove.
21386         (LINK_SPEC): Likewise.
21387         (ARC_TLS_EXTRA_START_SPEC): Likewise.
21388         (EXTRA_SPECS): Likewise.
21389         (STARTFILE_SPEC): Likewise.
21390         (ENDFILE_SPEC): Likewise.
21391         (LIB_SPEC): Likewise.
21392         (TARGET_SDATA_DEFAULT): Likewise.
21393         (TARGET_MMEDIUM_CALLS_DEFAULT): Likewise.
21394         (MULTILIB_DEFAULTS): Likewise.
21395         (DWARF2_UNWIND_INFO): Likewise.
21396         * config/arc/big.h: New file.
21397         * config/arc/elf.h: Likewise.
21398         * config/arc/linux.h: Likewise.
21399         * config/arc/t-uClibc: Remove.
21400
21401 2017-02-27  Bin Cheng  <bin.cheng@arm.com>
21402
21403         PR tree-optimization/77536
21404         * tree-ssa-loop-manip.c (niter_for_unrolled_loop): New function.
21405         (tree_transform_and_unroll_loop): Use above function to compute the
21406         estimated niter of unrolled loop and use it when scaling profile.
21407         Also use count info rather than frequency if it's non-zero.
21408         * tree-ssa-loop-manip.h niter_for_unrolled_loop(): New declaration.
21409         * tree-vect-loop.c (scale_profile_for_vect_loop): New function.
21410         (vect_transform_loop): Call above function.
21411
21412 2017-02-27  Richard Biener  <rguenther@suse.de>
21413
21414         PR tree-optimization/45397
21415         * tree-ssa-pre.c (eliminate_insert): Handle BIT_AND_EXPR.
21416         * tree-ssa-sccvn.c (valueized_wider_op): New helper.
21417         (visit_nary_op): Add pattern matching for CSEing sign-changed
21418         or truncated operations with wider ones.
21419
21420 2017-02-27  Richard Biener  <rguenther@suse.de>
21421
21422         PR tree-optimization/79690
21423         * tree-vect-stmts.c (vectorizable_store): Use vector type
21424         built from the DR with address-space.
21425
21426 2017-02-26  Gerald Pfeifer  <gerald@pfeifer.com>
21427
21428         * doc/invoke.texi (Optimize Options): Refine the description
21429         of asan-use-after-return.
21430
21431 2017-02-25  Alan Modra  <amodra@gmail.com>
21432
21433         PR rtl-optimization/79584
21434         * lra-constraints.c (base_to_reg): Reload ad->base, the entire
21435         base, not ad->base_term, the reg within base.  Remove assertion
21436         that ad->base == ad->base_term.  Replace gen_int_mode using
21437         bogus mode with const0_rtx.
21438
21439 2017-02-25  Jakub Jelinek  <jakub@redhat.com>
21440
21441         PR middle-end/79396
21442         * tree-eh.c (operation_could_trap_p, stmt_could_throw_1_p): Handle
21443         FMA_EXPR like tcc_binary or tcc_unary.
21444
21445         * tree-ssa-loop-niter.c (number_of_iterations_exit): Simplify warning.
21446
21447         PR debug/77589
21448         * dwarf2out.c (struct dw_loc_list_struct): Add noted_variable_value
21449         bitfield.
21450         (size_of_loc_descr): Handle DW_OP_GNU_variable_value.
21451         (output_loc_operands): Handle DW_OP_call_ref and
21452         DW_OP_GNU_variable_value.
21453         (struct variable_value_struct): New type.
21454         (struct variable_value_hasher): Likewise.
21455         (variable_value_hash): New variable.
21456         (string_types): Remove.
21457         (copy_loc_descr): New function.
21458         (add_loc_descr_to_each): Clarify comment.  Use copy_loc_descr.
21459         (prepend_loc_descr_to_each): New function.
21460         (add_loc_list): Fix comment typo.  Use prepend_loc_descr_to_each
21461         instead of add_loc_descr_to_each if the first argument is single
21462         location list and the second has multiple.
21463         (resolve_args_picking_1): Handle DW_OP_GNU_variable_value.
21464         (loc_list_from_tree_1): For early_dwarf, emit DW_OP_GNU_variable_value
21465         when looking for variable value which doesn't have other location info.
21466         (loc_list_from_tree): Formatting fix.
21467         (gen_array_type_die): Simplify DW_AT_string_length handling.
21468         (adjust_string_types): Remove.
21469         (gen_subprogram_die): Don't call adjust_string_types nor test/set
21470         string_types.  Call resolve_variable_values.
21471         (prune_unused_types_walk_loc_descr): Handle DW_OP_GNU_variable_value.
21472         (resolve_addr_in_expr): Likewise.  Add A argument.
21473         (copy_deref_exprloc): Remove deref argument.  Adjust for the
21474         original expression being DW_OP_GNU_variable_value with optionally
21475         DW_OP_stack_value after it instead of DW_OP_call4 with DW_OP_deref
21476         optionally after it.
21477         (optimize_string_length): Rework for DW_OP_GNU_variable_value.
21478         (resolve_addr): Adjust optimize_string_length and resolve_addr_in_expr
21479         callers.  Set remove_AT_byte_size if removing DW_AT_string_length.
21480         (variable_value_hasher::hash, variable_value_hasher::equal): New
21481         methods.
21482         (resolve_variable_value_in_expr, resolve_variable_value,
21483         resolve_variable_values, note_variable_value_in_expr,
21484         note_variable_value): New functions.
21485         (dwarf2out_early_finish): Call note_variable_value on all toplevel
21486         DIEs.
21487
21488 2017-02-24  Jakub Jelinek  <jakub@redhat.com>
21489
21490         PR c/79677
21491         * opts.h (handle_generated_option): Add GENERATED_P argument.
21492         * opts-common.c (handle_option): Adjust function comment.
21493         (handle_generated_option): Add GENERATED_P argument, pass it to
21494         handle_option.
21495         (control_warning_option): Pass false to handle_generated_option
21496         GENERATED_P.
21497         * opts.c (maybe_default_option): Pass true to handle_generated_option
21498         GENERATED_P.
21499         * optc-gen.awk: Likewise.
21500
21501 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
21502
21503         * config/sh/sh.md (tstsi_t): If operands[0] is a SUBREG instead of
21504         a REG, look at the REG it is a SUBREG of.
21505         (splitter for cmpeqsi_t): Ditto.
21506
21507 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
21508
21509         * config/pa/pa.c (pa_combine_instructions): Do not share RTL.  Make
21510         the special USEs with the pattern of the insn, not the insn itself.
21511
21512 2017-02-24  Matthew Fortune  <matthew.fortune@imgtec.com>
21513
21514         PR target/79473
21515         * doc/invoke.texi: Document -mload-store-pairs.
21516
21517 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
21518             Sandra Loosemore  <sandra@codesourcery.com>
21519
21520         * config/nios2/nios2.c (nios2_simple_const_p): Returns false if the
21521         argument isn't a CONST_INT.
21522         (nios2_alternate_compare_const): Assert op is a CONST_INT.
21523         (nios2_valid_compare_const_p): Assert op is a CONST_INT.
21524         (nios2_validate_compare): Bypass alternate compare logic if *op2
21525         is not a CONST_INT.
21526         (ldstwm_operation_p): Return false if first_base is not a REG or
21527         if first_offset is not a CONST_INT.
21528
21529 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
21530
21531         * config/cris/cris.md: Use correct operand in a define_peephole2.
21532
21533 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
21534
21535         * config/c6x/c6x.c (predicate_insn): Do not incorrectly share RTL.
21536
21537 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
21538
21539         * config/arc/arc.c (arc_ccfsm_advance): Only take the PATTERN of
21540         this_insn if it is an INSN or JUMP_INSN.
21541         (force_offsettable): Look at base, not at addr.
21542         * config/arc/predicates.md (brcc_nolimm_operator): Don't call INTVAL
21543         on things that aren't necessarily CONST_INTs.
21544
21545 2017-02-24  Uros Bizjak  <ubizjak@gmail.com>
21546
21547         * doc/invoke.texi (x86 Options, -mfpmath=sse): Mention that
21548         -mfpmath=sse is the default also for x86-32 targets with SSE2
21549         instruction set when @option{-ffast-math} is enabled
21550
21551 2017-02-24  Jeff Law  <law@redhat.com>
21552
21553         PR rtl-optimizatoin/79286
21554         * ira.c (update_equiv_regs): Drop may_trap_p exception to
21555         dominance test.
21556
21557 2017-02-24  Richard Biener  <rguenther@suse.de>
21558
21559         PR tree-optimization/79389
21560         * gimple-ssa-split-paths.c (is_feasible_trace): Properly skip
21561         debug insns.
21562
21563 2017-02-24  Aldy Hernandez  <aldyh@redhat.com>
21564
21565         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update
21566         function comment to reflect reality.
21567         (loop_exits_before_overflow): Fix typo in function description.
21568
21569 2017-02-24  Richard Biener  <rguenther@suse.de>
21570
21571         PR tree-optimization/79389
21572         * gimple-ssa-split-paths.c (is_feasible_trace): Verify more
21573         properly that a threading opportunity exists.  Detect conditional
21574         copy/constant propagation opportunities.
21575
21576 2017-02-23  Eric Botcazou  <ebotcazou@adacore.com>
21577
21578         * config/visium/visium.md (type): Add trap.
21579         (b): New mode attribute.
21580         (*btst): Rename into...
21581         (*btst<mode>): ...this and adjust.
21582         (*cbranchsi4_btst_insn): Rename into...
21583         (*cbranch<mode>4_btst_insn): ...this and adjust.
21584         (trap): New define_insn.
21585
21586 2017-02-23  Jakub Jelinek  <jakub@redhat.com>
21587
21588         PR tree-optimization/79389
21589         * ifcvt.c (struct noce_if_info): Add rev_cond field.
21590         (noce_reversed_cond_code): New function.
21591         (noce_emit_store_flag): Use rev_cond if non-NULL instead of
21592         reversed_comparison_code.  Formatting fix.
21593         (noce_try_store_flag): Test rev_cond != NULL in addition to
21594         reversed_comparison_code.
21595         (noce_try_store_flag_constants): Likewise.
21596         (noce_try_store_flag_mask): Likewise.
21597         (noce_try_addcc): Use rev_cond if non-NULL instead of
21598         reversed_comparison_code.
21599         (noce_try_cmove_arith): Likewise.  Formatting fixes.
21600         (noce_try_minmax, noce_try_abs): Clear rev_cond.
21601         (noce_find_if_block): Initialize rev_cond.
21602         (find_cond_trap): Call noce_get_condition with then_bb == trap_bb
21603         instead of false as last argument never attempt to reverse it
21604         afterwards.
21605
21606 2017-02-23  Bin Cheng  <bin.cheng@arm.com>
21607
21608         PR tree-optimization/79663
21609         * tree-predcom.c (combine_chains): Process refs in reverse order
21610         only for ZERO length chains, and add explaining comment.
21611
21612 2017-02-23  Jeff Law  <law@redhat.com>
21613
21614         PR tree-optimization/79578
21615         * tree-ssa-dse.c (clear_bytes_written_by): Use OEP_ADDRESS_OF
21616         in call to operand_equal_p.
21617
21618 2017-01-23  Dominique d'Humieres  <dominiq@lps.ens.fr>
21619
21620         PR target/71017
21621         * config/i386/cpuid.h: Fix another undefined behavior.
21622
21623 2017-02-23  Richard Biener  <rguenther@suse.de>
21624
21625         PR tree-optimization/79683
21626         * tree-vect-stmts.c (vect_analyze_stmt): Do not overwrite
21627         vector types for data-refs.
21628
21629 2017-02-23  Martin Liska  <mliska@suse.cz>
21630
21631         * params.def (PARAM_MIN_NONDEBUG_INSN_UID): Change default to 0.
21632
21633 2017-02-23  Jakub Jelinek  <jakub@redhat.com>
21634
21635         PR middle-end/79665
21636         * internal-fn.c (get_range_pos_neg): Moved to ...
21637         * tree.c (get_range_pos_neg): ... here.  No longer static.
21638         * tree.h (get_range_pos_neg): New prototype.
21639         * expr.c (expand_expr_real_2) <case TRUNC_DIV_EXPR>: If both arguments
21640         are known to be in between 0 and signed maximum inclusive, try to
21641         expand both unsigned and signed divmod and use the cheaper one from
21642         those.
21643
21644 2017-02-22  Jeff Law  <law@redhat.com>
21645
21646         PR tree-optimization/79578
21647         * tree-ssa-dse.c (clear_bytes_written_by): Use operand_equal_p
21648         to compare base operands.
21649
21650 2017-02-22  Segher Boessenkool  <segher@kernel.crashing.org>
21651
21652         PR target/79211
21653         * config/rs6000/rs6000.md (*fsel<SFDF:mode><SFDF2:mode>4): Use
21654         gpc_reg_operand instead of fpr_reg_operand.
21655
21656 2017-02-22  Sameera Deshpande  <sameera.deshpande@imgtec.com>
21657
21658         * config/mips/mips.c (mips_return_in_memory): Force FP
21659         vector types to be returned in memory for o32 ABI.
21660
21661 2017-02-22  Jakub Jelinek  <jakub@redhat.com>
21662
21663         * dwarf2out.c (gen_variable_die): For -gdwarf-5, use DW_TAG_variable
21664         instead of DW_TAG_member for static data member declarations and don't
21665         set no_linkage_name for static inline data members.
21666         (gen_member_die): For -gdwarf-5 don't change DW_TAG_variable
21667         to DW_TAG_member.
21668
21669 2017-02-22  Martin Liska  <mliska@suse.cz>
21670
21671         * doc/invoke.texi: Replace inequality signs with square brackets
21672         for -Wnormalized.
21673
21674 2017-02-22  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
21675
21676         PR tree-optimization/68644
21677         * gcc.dg/tree-ssa/ivopts-lt-2.c: Skip for powerpc*-*-*.
21678
21679 2017-02-22  Matthew Fortune  <matthew.fortune@imgtec.com>
21680
21681         PR target/78660
21682         * lra-constraints.c (simplify_operand_subreg): Handle
21683         WORD_REGISTER_OPERATIONS targets.
21684
21685 2017-02-22  Jakub Jelinek  <jakub@redhat.com>
21686
21687         PR target/70465
21688         * reg-stack.c (emit_swap_insn): Treat (float_extend:?F (mem:?F))
21689         and (const_double:?F) like (mem:?F) for the purpose of fxch %st(1)
21690         elimination by swapping fld*.
21691
21692 2017-02-22  Richard Biener  <rguenther@suse.de>
21693
21694         PR tree-optimization/79673
21695         * tree-ssa-pre.c (compute_avail): Use wide_int_to_tree to
21696         convert the [TARGET_]MEM_REF offset INTEGER_CST, scrapping off
21697         irrelevant address-space qualifiers and avoiding a
21698         ADDR_SPACE_CONVERT_EXPR from fold_convert.
21699
21700 2017-02-22  Richard Biener  <rguenther@suse.de>
21701
21702         PR tree-optimization/79666
21703         * tree-vrp.c (extract_range_from_binary_expr_1): Make sure
21704         to not symbolically negate if that may introduce undefined
21705         overflow.
21706
21707 2017-02-22  Martin Liska  <mliska@suse.cz>
21708
21709         PR lto/79587
21710         * data-streamer-in.c (streamer_read_gcov_count): Remove assert.
21711         * data-streamer-out.c (streamer_write_gcov_count_stream):
21712         Likewise.
21713         * value-prof.c (stream_out_histogram_value): Make assert more
21714         precise based on type of counter.
21715
21716 2017-02-21  Uros Bizjak  <ubizjak@gmail.com>
21717
21718         PR target/79593
21719         * config/i386/i386.md (standard_x87sse_constant_load splitter):
21720         Use nonimmediate_operand instead of memory_operand for operand 1.
21721         (float-extend standard_x87sse_constant_load splitter): Ditto.
21722
21723 2017-02-21  Jeff Law  <law@redhat.com>
21724
21725         PR tree-optimization/79621
21726         * gimple-ssa-isolate-paths.c (find_implicit_erroneous_behavior): Ignore
21727         blocks with edges to themselves.
21728
21729 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
21730
21731         PR target/79633
21732         * tree-chkp-opt.c (chkp_optimize_string_function_calls): Use
21733         is_gimple_call instead of comparing gimple_code with GIMPLE_CALL.
21734         Use gimple_call_builtin_p.
21735
21736         PR target/79570
21737         * sel-sched.c (moveup_expr_cached): Don't call sel_bb_head
21738         on temporarily removed DEBUG_INSNs.
21739
21740         PR tree-optimization/79649
21741         * tree-loop-distribution.c (classify_partition): Give up on
21742         non-generic address space loads/stores.
21743
21744 2017-02-21  Aldy Hernandez  <aldyh@redhat.com>
21745
21746         * doc/loop.texi (Loop manipulation): Remove nonexistent
21747         tree_ssa_loop_version from the documentation.
21748         * cfgloopmanip.c (loop_version): Document CONDITION_BB argument.
21749
21750 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
21751
21752         PR target/79494
21753         * config/i386/i386.c (ix86_expand_split_stack_prologue): Call
21754         make_reg_eh_region_note_nothrow_nononlocal on call_insn.
21755         * config/rs6000/rs6000.c: Include except.h.
21756         (rs6000_expand_split_stack_prologue): Call
21757         make_reg_eh_region_note_nothrow_nononlocal on the call insn.
21758
21759 2017-02-21  Martin Jambor  <mjambor@suse.cz>
21760
21761         PR lto/79579
21762         * ipa-prop.c (ipa_prop_write_jump_functions): Bail out if no edges
21763         have been analyzed.
21764
21765 2017-02-21  Martin Jambor  <mjambor@suse.cz>
21766
21767         * common.opt (-fipa-cp-alignment): Mark as ignored and preserved
21768         for backward compatibility only.
21769         * doc/invoke.texi (Option Summary): Remove all references to
21770         -fipa-cp-alignment.
21771
21772 2017-02-21  Matthew Fortune  <matthew.fortune@imgtec.com>
21773
21774         PR target/78660
21775         Revert:
21776         2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
21777
21778         * lra-constraints.c (curr_insn_transform): Handle
21779         WORD_REGISTER_OPERATIONS requirements when reloading SUBREGs.
21780
21781 2017-02-21  Martin Liska  <mliska@suse.cz>
21782
21783         * config/i386/i386.opt: Replace -masm-dialect with -masm.
21784
21785 2017-02-21  Thomas Schwinge  <thomas@codesourcery.com>
21786
21787         PR translation/79638
21788         * config/nvptx/nvptx.c (ENTRY_TEMPLATE): Single out "%ntid.y".
21789
21790 2017-02-21  Eric Botcazou  <ebotcazou@adacore.com>
21791
21792         PR ada/67205
21793         * config/arm/arm.c (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Define.
21794         (arm_function_ok_for_sibcall): Return false for an indirect call by
21795         descriptor if all the argument registers are used.
21796         (arm_relayout_function): Use FUNCTION_ALIGNMENT macro to adjust the
21797         alignment of the function.
21798
21799 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
21800
21801         PR tree-optimization/61441
21802         * simplify-rtx.c (simplify_const_unary_operation): For
21803         -fsignaling-nans and sNaN operand, return NULL_RTX rather than
21804         the sNaN unmodified.
21805
21806 2017-02-20  Bernd Edlinger  <bernd.edlinger@hotmail.de>
21807
21808         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
21809         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
21810         instead of SYSTEM_HEADER_DIR.
21811
21812 2017-02-20  Gerald Pfeifer  <gerald@pfeifer.com>
21813             Martin Liška  <mliska@suse.cz>
21814
21815         * doc/invoke.texi (use-after-scope-direct-emission-threshold):
21816         Fix typos and grammar, use active voice, and clarify.
21817
21818 2017-02-20  Marek Polacek  <polacek@redhat.com>
21819
21820         PR middle-end/79537
21821         * gimplify.c (gimplify_expr): Handle unused *&&L;.
21822
21823         PR sanitizer/79558
21824         * ubsan.c (ubsan_type_descriptor): Check if TYPE_MAX_VALUE is null.
21825
21826 2017-02-20  Jakub Jelinek  <jakub@redhat.com>
21827
21828         PR target/79568
21829         * config/i386/i386.c (ix86_expand_builtin): Handle
21830         OPTION_MASK_ISA_AVX512VL and OPTION_MASK_ISA_64BIT in
21831         ix86_builtins_isa[fcode].isa as a requirement of those
21832         flags and any other flag in the bitmask.
21833         (ix86_init_mmx_sse_builtins): Use 0 instead of
21834         ~OPTION_MASK_ISA_64BIT as mask.
21835         * config/i386/i386-builtin.def (__builtin_ia32_rdtsc,
21836         __builtin_ia32_rdtscp, __builtin_ia32_pause, __builtin_ia32_bsrsi,
21837         __builtin_ia32_rdpmc, __builtin_ia32_rolqi, __builtin_ia32_rolhi,
21838         __builtin_ia32_rorqi, __builtin_ia32_rorhi): Likewise.
21839
21840 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
21841
21842         PR target/78012
21843         * lra-constraints.c (split_reg): Check requested split mode
21844         is supported by the register.
21845
21846 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
21847
21848         * lra-constraints.c (simplify_operand_subreg): Remove early
21849         return false.
21850
21851 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
21852
21853         PR target/78660
21854         * lra-constraints.c (curr_insn_transform): Tighten condition
21855         for converting SUBREG reloads from OP_OUT to OP_INOUT.
21856
21857 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
21858
21859         PR target/78660
21860         * lra-constraints.c (curr_insn_transform): Handle
21861         WORD_REGISTER_OPERATIONS requirements when reloading SUBREGs.
21862
21863 2017-02-19  Uros Bizjak  <ubizjak@gmail.com>
21864
21865         Revert:
21866         2016-05-30  Uros Bizjak  <ubizjak@gmail.com>
21867
21868         * config/i386/sync.md (mfence_nosse): Use "lock orl $0, -4(%esp)".
21869
21870 2017-02-19  Jonathan Wakely  <jwakely@redhat.com>
21871
21872         PR c++/69523
21873         * doc/invoke.texi (C++ Dialect Options) [-Wliteral-suffix]: Update
21874         description.
21875
21876 2017-02-19  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
21877
21878         * gimple-pretty-print.c (dump_ternary_rhs): Adjust gimple dump format
21879         for FMA_EXPR.
21880
21881 2017-02-18  Jakub Jelinek  <jakub@redhat.com>
21882
21883         * final.c (last_columnnum, override_columnnum): New variables.
21884         (final_start_function): Set last_columnnum, pass it to begin_prologue
21885         hook and pass 0 to dwarf2out_begin_prologue.
21886         (final_scan_insn): Update override_columnnum.  Pass last_columnnum
21887         to source_line debug hook.
21888         (notice_source_line): Compute last_columnnum and for debug_column_info
21889         return true on column changes.
21890         * debug.h (struct gcc_debug_hooks): Add column argument to
21891         source_line and begin_prologue hooks.
21892         (debug_nothing_int_charstar_int_bool): Remove prototype.
21893         (debug_nothing_int_int_charstar,
21894         debug_nothing_int_int_charstar_int_bool): New prototypes.
21895         (dwarf2out_begin_prologue): Add column argument.
21896         * debug.c (do_nothing_debug_hooks): Adjust source_line and
21897         begin_prologue hooks.
21898         (debug_nothing_int_charstar_int_bool): Remove.
21899         (debug_nothing_int_int_charstar,
21900         debug_nothing_int_int_charstar_int_bool): New functions.
21901         * dwarf2out.c (dwarf2out_begin_prologue): Add column argument, pass it
21902         through to dwarf2out_source_line.
21903         (dwarf2_lineno_debug_hooks): Adjust begin_prologue hook.
21904         (dwarf2out_source_line): Add column argument, emit it if requested.
21905         * sdbout.c (sdbout_source_line, sdbout_begin_prologue): Add column
21906         arguments.
21907         * xcoffout.h (xcoffout_begin_prologue, xcoffout_source_line): Likewise.
21908         * xcoffout.c (xcoffout_begin_prologue, xcoffout_source_line): Likewise.
21909         * vmsdbgout.c (vmsdbgout_begin_prologue): Add column argument, pass it
21910         through to dwarf2out_begin_prologue.
21911         (vmsdbgout_source_line): Add column argument, pass it through to
21912         dwarf2out_source_line.
21913         * dbxout.c (dbxout_begin_prologue): Add column argument, adjust
21914         dbxout_source_line caller.
21915         (dbxout_source_line): Add column argument.
21916
21917         * common.opt (gno-column-info, gcolumn-info): New options.
21918         * dwarf2out.c (dwarf2_lineno_debug_hooks): Formatting fix.
21919         (check_die): Also test for multiple DW_AT_decl_column attributes.
21920         (add_src_coords_attributes, dwarf2out_imported_module_or_decl_1): Add
21921         DW_AT_decl_column if requested.
21922         (gen_subprogram_die): Compare and/or add also DW_AT_decl_column
21923         if requested.
21924         (gen_variable_die): Likewise.
21925         (add_call_src_coords_attributes): Add DW_AT_call_column if requested.
21926         * doc/invoke.texi (-gcolumn-info, -gno-column-info): Document.
21927
21928         PR target/79569
21929         * config/i386/i386.opt (m3dnowa): Replace Undocumented with Report.
21930         * common/config/i386/i386-common.c (OPTION_MASK_ISA_3DNOW_A_SET): Define.
21931         (ix86_handle_option): Handle OPT_m3dnowa.
21932         * doc/invoke.texi (-m3dnowa): Document.
21933         * doc/extend.texi (__builtin_ia32_pmulhuw, __builtin_ia32_pf2iw): Use
21934         -m3dnowa instead of -m3dnow -march=athlon.
21935
21936         PR target/79559
21937         * config/i386/i386.c (ix86_print_operand): Use output_operand_lossage
21938         instead of gcc_assert for K, r and R code checks.  Formatting fixes.
21939
21940 2017-02-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
21941
21942         PR target/79261
21943         * config/rs6000/rs6000.c (rs6000_expand_ternop_builtin): Add
21944         support for CODE_FOR_vsx_xxpermdi_v2d[fi]_be.
21945         * config/rs6000/rs6000.md (reload_gpr_from_vsx<mode>): Call
21946         generator for vsx_xxpermdi_<mode>_be.
21947         * config/rs6000/vsx.md (vsx_xxpermdi_<mode>): Remove logic to
21948         force big-endian semantics.
21949         (vsx_xxpermdi_<mode>_be): New define_expand with same
21950         implementation as previous version of vsx_xxpermdi_<mode>.
21951
21952 2017-02-17  Jakub Jelinek  <jakub@redhat.com>
21953
21954         PR tree-optimization/79327
21955         * gimple-ssa-sprintf.c (format_integer): Remove likely_adjust
21956         variable, its initialization and use.
21957
21958 2017-02-17  Julia Koval  <julia.koval@intel.com>
21959
21960         * common/config/i386/i386-common.c (OPTION_MASK_ISA_RDPID_SET): New.
21961         (OPTION_MASK_ISA_PKU_UNSET): New.
21962         (ix86_handle_option): Handle -mrdpid.
21963         * config/i386/cpuid.h (bit_RDPID): New.
21964         * config/i386/driver-i386.c (host_detect_local_cpu):
21965         Detect RDPID feature.
21966         * config/i386/i386-builtin.def (__builtin_ia32_rdpid): New.
21967         * config/i386/i386-c.c (ix86_target_macros_internal):
21968         Handle RDPID flag.
21969         * config/i386/i386.c (ix86_target_string): Add -mrdpid to isa2_opts.
21970         (ix86_valid_target_attribute_inner_p): Add "rdpid".
21971         (ix86_expand_builtin): Handle IX86_BUILTIN_RDPID.
21972         * config/i386/i386.h (TARGET_RDPID, TARGET_RDPID_P): New.
21973         * config/i386/i386.md (define_insn "rdpid"): New.
21974         * config/i386/i386.opt Add -mrdpid.
21975         * config/i386/immintrin.h (_rdpid_u32): New.
21976
21977 2017-02-17  Vladimir Makarov  <vmakarov@redhat.com>
21978
21979         PR rtl-optimization/79541
21980         * lra-constraints.c (curr_insn_transform): Remove wrong asm insn
21981         instead of transforming it into USE.
21982
21983 2017-02-17  Segher Boessenkool  <segher@kernel.crashing.org>
21984
21985         * config/rs6000/rs6000.md (extendsfdf2): Remove default arguments.
21986         If HONOR_SNANS (SFmode) force the input to a register.
21987         (*extendsfdf2_fpr): Add !HONOR_SNANS (SFmode) condition.
21988         (*extendsfdf2_snan): New pattern, used when using SNaNs; it generates
21989         an frsp or similar insn.
21990
21991 2017-02-17  Martin Liska  <mliska@suse.cz>
21992
21993         PR rtl-optimization/79577
21994         * params.def (selsched-max-sched-times): Increase minimum to 1.
21995
21996 2017-02-17  Martin Liska  <mliska@suse.cz>
21997
21998         PR rtl-optimization/79574
21999         * gcse.c (want_to_gcse_p): Prevent integer overflow.
22000
22001 2017-02-17  Martin Liska  <mliska@suse.cz>
22002
22003         PR tree-optimization/79529
22004         * tree-ssa-loop-unswitch.c (is_maybe_undefined): Use
22005         ssa_defined_default_def_p to handle cases which are implicitly
22006         defined.
22007         * tree-ssa.c (ssa_defined_default_def_p): New function.
22008         (ssa_undefined_value_p): Use ssa_defined_default_def_p to handle cases
22009         which are implicitly defined.
22010         * tree-ssa.h (ssa_defined_default_def_p): Declare.
22011
22012 2017-02-17  Richard Biener  <rguenther@suse.de>
22013
22014         PR middle-end/79576
22015         * params.def (max-ssa-name-query-depth): Limit to 10.
22016
22017 2017-02-17  Richard Biener  <rguenther@suse.de>
22018
22019         PR tree-optimization/79552
22020         * tree-ssa-structalias.c (visit_loadstore): Properly verify
22021         default defs.
22022
22023 2017-02-17  Richard Biener  <rguenther@suse.de>
22024
22025         PR bootstrap/79567
22026         * genmatch.c (output_line_directive): Handle DIR_SEPARATOR_2.
22027
22028 2017-02-17  Marek Polacek  <polacek@redhat.com>
22029
22030         PR middle-end/79536
22031         * fold-const.c (fold_negate_expr_1): Renamed from fold_negate_expr.
22032         (fold_negate_expr): New wrapper.
22033
22034 2017-02-16  Sandra Loosemore  <sandra@codesourcery.com>
22035
22036         * doc/invoke.texi (C++ Dialect Options) [-Wno-non-template-friend]:
22037         Correct terminology and de-emphasize pre-standard behavior.
22038
22039 2017-02-16  Alan Modra  <amodra@gmail.com>
22040
22041         PR rtl-optimization/79286
22042         * ira.c (def_dominates_uses): New function.
22043         (update_equiv_regs): Don't create an equivalence for insns that
22044         may trap where the register def does not dominate the use.
22045
22046 2017-02-16  Vladimir Makarov  <vmakarov@redhat.com>
22047
22048         PR rtl-optimization/78127
22049         * lra.c (lra): Call lra_eliminate before finish the loop after
22050         lra_constraint.
22051
22052 2017-02-16  Richard Biener  <rguenther@suse.de>
22053
22054         * graphite.h: Do not include isl/isl_val_gmp.h, instead include
22055         isl/isl_val.h.
22056         * graphite-isl-ast-to-gimple.c (gmp_cst_to_tree): Remove.
22057         (gcc_expression_from_isl_expr_int): Use generic isl_val interface.
22058         * graphite-sese-to-poly.c: Do not include isl/isl_val_gmp.h.
22059         (isl_val_int_from_wi): New function.
22060         (extract_affine_gmp): Rename to ...
22061         (extract_affine_wi): ... this, take a widest_int.
22062         (extract_affine_int): Just wrap extract_affine_wi.
22063         (add_param_constraints): Use isl_val_int_from_wi.
22064         (add_loop_constraints): Likewise, and extract_affine_wi.
22065
22066 2017-02-15  Jeff Law  <law@redhat.com>
22067
22068         PR middle-end/79521
22069         * ira-costs.c (scan_one_insn): Check have_regs_of_mode before calling
22070         ira_init_register_move_cost_if_necessary.
22071
22072 2017-02-15  Martin Sebor  <msebor@redhat.com>
22073
22074         PR middle-end/32003
22075         * doc/invoke.texi (-fdump-final-insns): Replace option accidentally
22076         removed in a prior commit.
22077
22078 2017-02-15  Bin Cheng  <bin.cheng@arm.com>
22079
22080         PR tree-optimization/79347
22081         * tree-vect-loop-manip.c (vect_do_peeling): Maintain profile
22082         counters during peeling.
22083
22084 2017-02-15  Thomas Schwinge  <thomas@codesourcery.com>
22085
22086         * Makefile.in (site.exp): Remove "set ISLVER".
22087
22088 2017-02-15  Jakub Jelinek  <jakub@redhat.com>
22089
22090         PR target/79487
22091         * real.c (real_from_integer): Call real_convert even for decimal.
22092
22093 2017-02-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
22094
22095         PR target/79421
22096         * config/s390/s390.c: define TARGET_CUSTOM_FUNCTION_DESCRIPTORS.
22097
22098 2017-02-14  Andrew Pinski  <apinski@cavium.com>
22099
22100         * config/aarch64/aarch64-cores.def (thunderx2t99): Move to under 'C"
22101         cores and change the partno/implementer to be correct.
22102         (thunderx2t99p1): New core which replaces thunderx2t99 and still has
22103         the 'B" as the implementer.
22104         * config/aarch64/aarch64-tune.md: Regenerate.
22105
22106 2017-02-14  Carl Love  <cel@us.ibm.com>
22107
22108         * config/rs6000/rs6000.c: Add case statement entry to make the
22109         xvcvuxdsp built-in argument unsigned.
22110         * config/rs6000/vsx.md: Fix the source and return operand types so they
22111         match the instruction definitions from the ISA document.  Fix typo
22112         in the instruction generation for the (define_insn "vsx_xvcvuxdsp"
22113         statement.
22114
22115 2017-02-14  Vladimir Makarov  <vmakarov@redhat.com>
22116
22117         PR target/79282
22118         * lra-int.h (struct lra_operand_data, struct lra_insn_reg): Add
22119         member early_clobber_alts.
22120         * lra-lives.c (reg_early_clobber_p): New.
22121         (process_bb_lives): Use it.
22122         * lra.c (new_insn_reg): New arg early_clobber_alts.  Use it.
22123         (debug_operand_data): Initialize early_clobber_alts.
22124         (setup_operand_alternative): Set up early_clobber_alts.
22125         (collect_non_operand_hard_regs): Ditto.  Pass early clobber
22126         alternatives to new_insn_reg.
22127         (add_regs_to_insn_regno_info): Add arg early_clobber_alts.  Use
22128         it.
22129         (lra_update_insn_regno_info): Pass the new arg.
22130
22131 2017-02-14  Jakub Jelinek  <jakub@redhat.com>
22132
22133         PR middle-end/79505
22134         * omp-offload.c (free_oacc_loop): Release loop->ifns vector.
22135         (new_oacc_loop_raw): Don't clear already cleared fields.
22136
22137         PR target/79481
22138         * config/i386/avx512pfintrin.h (_mm512_prefetch_i32gather_pd,
22139         _mm512_prefetch_i32gather_ps, _mm512_prefetch_i64gather_pd,
22140         _mm512_prefetch_i64gather_ps): New inline functions and macros.
22141
22142 2017-02-14  Uros Bizjak  <ubizjak@gmail.com>
22143
22144         PR target/79495
22145         * config/i386/i386.md (*movxf_internal): Add (o,rC) alternative.
22146
22147 2017-02-14  H.J. Lu  <hongjiu.lu@intel.com>
22148
22149         PR target/79498
22150         * config/i386/i386.c (timode_scalar_chain::convert_insn): Insert
22151         the extra instruction to the right place to store 128-bit constant
22152         when needed.
22153
22154 2017-02-14  Martin Sebor  <msebor@redhat.com>
22155
22156         PR middle-end/79448
22157         * gimple-ssa-sprintf.c (format_directive): Avoid issuing INT_MAX
22158           warning for strings of unknown length.
22159
22160 2017-02-13  Segher Boessenkool  <segher@kernel.crashing.org>
22161
22162         * config.gcc (supported_defaults) [powerpc*-*-*]: Update.
22163
22164 2017-02-14  Jeff Law  <law@redhat.com>
22165
22166         PR target/79404
22167         * ira-costs.c (scan_one_insn): Initialize register move costs
22168         for pseudos seen in USE/CLOBBER insns.
22169
22170         PR tree-optimization/79095
22171         * tree-vrp.c (extract_range_from_binary_expr_1): For EXACT_DIV_EXPR,
22172         if the numerator has the range ~[0,0] make the resultant range ~[0,0].
22173         (extract_range_from_binary_expr): For MINUS_EXPR with no derived range,
22174         if the operands are known to be not equal, then the resulting range
22175         is ~[0,0].
22176         (intersect_ranges): If the new range is ~[0,0] and the old range is
22177         wide, then prefer ~[0,0].
22178         * tree-vrp.c (overflow_comparison_p_1): New function.
22179         (overflow_comparison_p): New function.
22180         * tree-vrp.c (register_edge_assert_for_2): Register additional asserts
22181         if NAME is used in an overflow test.
22182         (vrp_evaluate_conditional_warnv_with_ops): If the ops represent an
22183         overflow check that can be expressed as an equality test, then adjust
22184         ops to be that equality test.
22185
22186 2017-02-14  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
22187
22188         * config/s390/s390-builtin-types.def: Remove flags argument.
22189         * config/s390/s390.c (s390_init_builtins): Likewise.
22190
22191 2017-02-14  Martin Liska  <mliska@suse.cz>
22192
22193         * tree-ssa-loop-unswitch.c (hoist_guard): Release get_loop_body
22194         vector.  Fix trailing white spaces.
22195
22196 2017-02-14  James Greenhalgh  <james.greenhalgh@arm.com>
22197
22198         * config/aarch64/aarch64.c (aarch64_simd_container_mode): Handle
22199         HFmode.
22200
22201 2017-02-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
22202
22203         PR rtl-optimization/68664
22204         * config/arm/arm.c (arm_sched_can_speculate_insn):
22205         New function.  Declare prototype.
22206         (TARGET_SCHED_CAN_SPECULATE_INSN): Define.
22207
22208 2017-02-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
22209
22210         PR rtl-optimization/68664
22211         * config/aarch64/aarch64.c (aarch64_sched_can_speculate_insn):
22212         New function.
22213         (TARGET_SCHED_CAN_SPECULATE_INSN): Define.
22214
22215 2017-02-14  Amit Pawar  <amit.pawar@amd.com>
22216
22217         * config/i386/i386.c (znver1_cost): Fix the alignment for function and
22218         max skip bytes for function, loop and jump.
22219
22220 2017-02-14  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
22221
22222         * gimple-pretty-print.c (dump_unary_rhs): Adjust dump format for
22223         ABS_EXPR for gimple dump.
22224
22225 2017-02-14  Jakub Jelinek  <jakub@redhat.com>
22226
22227         PR target/79462
22228         * config/sh/sh.c (expand_cbranchdi4): Don't clear operands[4].
22229
22230         PR tree-optimization/79408
22231         * tree-vrp.c (simplify_div_or_mod_using_ranges): Handle also the
22232         case when on TRUNC_MOD_EXPR op0 is INTEGER_CST.
22233         (simplify_stmt_using_ranges): Call simplify_div_or_mod_using_ranges
22234         also if rhs1 is INTEGER_CST.
22235
22236 2017-02-14  Richard Biener  <rguenther@suse.de>
22237
22238         PR middle-end/79432
22239         * tree-into-ssa.c (insert_phi_nodes): When the function can
22240         have abnormal edges rewrite SSA names with broken use-def
22241         dominance out of SSA and register them for PHI insertion.
22242
22243 2017-02-13  Martin Sebor  <msebor@redhat.com>
22244
22245         PR middle-end/79496
22246         * gimple-ssa-sprintf.c (pass_sprintf_length::handle_gimple_call): Avoid
22247         clearing info.nowrite flag when snprintf size argument is a range.
22248
22249 2017-02-13  Jakub Jelinek  <jakub@redhat.com>
22250
22251         * cprop.c (cprop_jump): Add missing space in string literal.
22252         * tree-ssa-structalias.c (rewrite_constraints): Likewise.
22253         (get_constraint_for_component_ref): Likewise.
22254         * df-core.c (df_worklist_dataflow_doublequeue): Likewise.
22255         * tree-outof-ssa.c (insert_partition_copy_on_edge): Likewise.
22256         * lra-constraints.c (process_alt_operands): Likewise.
22257         * ipa-inline.c (inline_small_functions): Likewise.
22258         * tree-ssa-sccvn.c (visit_reference_op_store): Likewise.
22259         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Likewise.
22260         * trans-mem.c (diagnose_tm_1_op): Likewise.
22261         * omp-grid.c (grid_find_single_omp_among_assignments): Likewise.
22262         (grid_parallel_clauses_gridifiable): Likewise.
22263
22264         * config/nvptx/mkoffload.c (process): Add space in between
22265         , and %d.
22266
22267         * config/i386/i386.h (REG_CLASS_NAMES): Add , in between
22268         "MOD4_SSE_REGS" and "ALL_REGS".
22269
22270         * spellcheck.c (test_data): Add , in between "foo" and "food".
22271
22272 2017-02-13  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
22273
22274         PR target/79449
22275         * config/rs6000/rs6000.c (expand_block_compare): Make sure runtime
22276         boundary crossing check and subsequent code generation agree.
22277
22278 2017-02-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
22279
22280         * config/aarch64/aarch64.c (has_memory_op): Delete.
22281         (aarch64_madd_needs_nop): Use contains_mem_rtx_p instead of
22282         has_memory_op.
22283
22284 2017-02-13  Jakub Jelinek  <jakub@redhat.com>
22285
22286         PR rtl-optimization/79388
22287         PR rtl-optimization/79450
22288         * combine.c (distribute_notes): When removing TEM_INSN for which
22289         corresponding dest has last value recorded, invalidate that last
22290         value.
22291
22292 2017-02-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
22293
22294         * config/arm/arm.c (arm_print_tune_info): Use ASM_COMMENT_START instead
22295         of explicit '@'.  Add missing assembly comment marker on branch costs
22296         printout.
22297
22298 2017-02-13  Nathan Sidwell  <nathan@acm.org>
22299
22300         * gengtype-lex.l (<in_struct>): Add '/'.
22301
22302 2017-02-13  Martin Liska  <mliska@suse.cz>
22303
22304         PR c/79471
22305         * calls.c (expand_call): Replace XALLOCAVEC with XCNEWVEC.
22306
22307 2017-02-13  Richard Biener  <rguenther@suse.de>
22308
22309         * configure.ac (HAVE_ISL_OPTIONS_SET_SCHEDULE_SERIALIZE_SCCS):
22310         Remove.
22311         * configure: Re-generate.
22312         * config.in: Likewise.
22313         * graphite-dependences.c: Simplify as if
22314         HAVE_ISL_OPTIONS_SET_SCHEDULE_SERIALIZE_SCCS was defined.
22315         * graphite-isl-ast-to-gimple.c: Likewise.
22316         * graphite-optimize-isl.c: Likewise.
22317         * graphite-poly.c: Likewise.
22318         * graphite-sese-to-poly.c: Likewise.
22319         * graphite.h: Likewise.
22320         * toplev.c: Include isl/version.h and use isl_version () for
22321         printing the ISL version.
22322         * doc/install.texi: Update ISL requirement.
22323
22324 2017-02-12  Gerald Pfeifer  <gerald@pfeifer.com>
22325
22326         * doc/standards.texi (Standards): Update reference to
22327         Objective-C 2.0.
22328
22329 2017-02-12  Gerald Pfeifer  <gerald@pfeifer.com>
22330
22331         * doc/extend.texi (Named Address Spaces): sourceware.org now
22332         defaults to https.
22333         * doc/install.texi (Binaries): Ditto.
22334         (Specific): Ditto.
22335
22336 2017-02-11  Sandra Loosemore  <sandra@codesourcery.com>
22337
22338         * doc/cpp.texi: Replace "stringify"/"stringification" with C
22339         standard terminology "stringize"/"stringizing" throughout.
22340         * doc/cppinternals.texi: Likewise.
22341
22342 2017-02-11  Sandra Loosemore  <sandra@codesourcery.com>
22343
22344         * doc/extend.texi: Fix some spelling mistakes and typos.
22345         * doc/invoke.texi: Likewise.
22346
22347 2017-02-11  Jan Hubicka  <hubicka@ucw.cz>
22348
22349         PR ipa/79224
22350         * params.def (inline-min-speedup) Change from 10 to 8.
22351
22352 2017-02-11  Jakub Jelinek  <jakub@redhat.com>
22353
22354         * doc/invoke.texi (fopenmp): Bump OpenMP version from 4.0 to
22355         4.5.
22356
22357 2017-02-11  Jan Hubicka  <hubicka@ucw.cz>
22358
22359         PR ipa/79224
22360         * ipa-inline-analysis.c (get_minimal_bb): New function.
22361         (record_modified): Use it.
22362         (remap_edge_change_prob): Handle also ancestor functions.
22363
22364 2017-02-11  Gerald Pfeifer  <gerald@pfeifer.com>
22365
22366         * doc/contrib.texi (Contributors): Remove broken link into
22367         the Mauve CVS repository.
22368
22369 2017-02-11  Jakub Jelinek  <jakub@redhat.com>
22370
22371         PR middle-end/79454
22372         * internal-fn.c (expand_vector_ubsan_overflow): Use piece-wise
22373         result computation whenever lhs doesn't have vector mode, not
22374         just when it has BLKmode.
22375
22376 2017-02-10  Gerald Pfeifer  <gerald@pfeifer.com>
22377
22378         * doc/makefile.texi (profiledbootstrap): Refer to the
22379         installation instructions only in textual form.
22380
22381 2017-02-10  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
22382
22383         PR target/79295
22384         * config/rs6000/altivec.md (bcd<bcd_add_sub>): Fix constraints.
22385
22386 2017-02-10  Gerald Pfeifer  <gerald@pfeifer.com>
22387
22388         * doc/install.texi (Specific): Use https for blackfin.uclinux.org.
22389         (Specific): Update mingw-w64 reference.
22390         (Binaries): Ditto.
22391         (Specific): Remove broken link to Renesas RX processor.
22392
22393 2017-02-10  Richard Biener  <rguenther@suse.de>
22394
22395         * toplev.c (process_options): Do not mention obsolete graphite
22396         options when printing sorry message about missing graphite support.
22397         Mention -floop-nest-optimize.
22398
22399 2017-02-10  Christophe Lyon  <christophe.lyon@linaro.org>
22400
22401         * config/aarch64/arm_neon.h (vtst_p8): Rewrite without asm.
22402         (vtst_p16): Likewise.
22403         (vtstq_p8): Likewise.
22404         (vtstq_p16): Likewise.
22405         (vtst_p64): New.
22406         (vtstq_p64): Likewise.
22407         * config/arm/arm_neon.h (vgetq_lane_p64): New.
22408         (vset_lane_p64): New.
22409         (vsetq_lane_p64): New.
22410
22411 2017-02-10  Jakub Jelinek  <jakub@redhat.com>
22412
22413         PR tree-optimization/79411
22414         * tree-ssa-reassoc.c (is_reassociable_op): Return false if
22415         stmt operands are SSA_NAMEs used in abnormal phis.
22416         (can_reassociate_p): Return false if op is SSA_NAME used in abnormal
22417         phis.
22418
22419 2017-02-09  Jan Hubicka  <hubicka@ucw.cz>
22420
22421         PR ipa/70795
22422         * cgraphunit.c (cgraph_node::add_new_function): Set externally_visible
22423         flag if needed.
22424
22425 2017-02-09  Jan Hubicka  <hubicka@ucw.cz>
22426
22427         * tree-ssa-loop-unswitch.c (hoist_guard): Update profile.
22428
22429 2017-02-09  Jakub Jelinek  <jakub@redhat.com>
22430
22431         * omp-offload.c (oacc_loop_auto_partitions): Use || instead of |
22432         to avoid warning.
22433
22434         PR c/79413
22435         * gimplify.h (is_gimple_sizepos): Only test for INTEGER_CST constants,
22436         not arbitrary TREE_CONSTANT.
22437
22438         PR c/79431
22439         * gimplify.c (gimplify_adjust_omp_clauses): Ignore
22440         "omp declare target link" attribute unless is_global_var.
22441         * omp-offload.c (find_link_var_op): Likewise.
22442
22443 2017-02-09  Nathan Sidwell  <nathan@codesourcery.com>
22444             Chung-Lin Tang  <cltang@codesourcery.com>
22445
22446         * gimplify.c (gimplify_scan_omp_clauses): No special handling for
22447         OMP_CLAUSE_TILE.
22448         (gimplify_adjust_omp_clauses): Don't delete TILE.
22449         (gimplify_omp_for): Deal with TILE.
22450         * internal-fn.c (expand_GOACC_TILE): New function.
22451         * internal-fn.def (GOACC_DIM_POS): Comment may be overly conservative.
22452         (GOACC_TILE): New.
22453         * omp-expand.c (struct oacc_collapse): Add tile and outer fields.
22454         (expand_oacc_collapse_init): Add LOC paramter.  Initialize tile
22455         element fields.
22456         (expand_oacc_collapse_vars): Add INNER parm, adjust for tiling,
22457         avoid DIV for outermost collapse var.
22458         (expand_oacc_for): Insert tile element loop as needed.  Adjust.
22459         Remove out of date comments, fix whitespace.
22460         * omp-general.c (omp_extract_for_data): Deal with tiling.
22461         * omp-general.h (enum oacc_loop_flags): Add OLF_TILE flag,
22462         adjust OLF_DIM_BASE value.
22463         (struct omp_for_data): Add tiling field.
22464         * omp-low.c (scan_sharing_clauses): Allow OMP_CLAUSE_TILE.
22465         (lower_oacc_head_mark): Add OLF_TILE as appropriate.  Ensure 2 levels
22466         for auto loops.  Remove default auto determining, moved to
22467         oacc_loop_fixed_partitions.
22468         * omp-offload.c (struct oacc_loop): Change 'ifns' to vector of call
22469         stmts, add e_mask field.
22470         (oacc_dim_call): New function, abstracted out from oacc_thread_numbers.
22471         (oacc_thread_numbers): Use oacc_dim_call.
22472         (oacc_xform_tile): New.
22473         (new_oacc_loop_raw): Initialize e_mask, adjust for ifns vector.
22474         (finish_oacc_loop): Adjust for ifns vector.
22475         (oacc_loop_discover_walk): Append loop abstraction sites to list,
22476         add case for GOACC_TILE fns.
22477         (oacc_loop_xform_loop): Delete.
22478         (oacc_loop_process): Iterate over call list directly, and add
22479         handling for GOACC_TILE fns.
22480         (oacc_loop_fixed_partitions): Determine default auto, deal with TILE,
22481         dump partitioning.
22482         (oacc_loop_auto_partitions): Add outer_assign parm. Assign all but
22483         vector partitioning to outer loops.  Assign 2 partitions to loops
22484         when available. Add TILE handling.
22485         (oacc_loop_partition): Adjust oacc_loop_auto_partitions call.
22486         (execite_oacc_device_lower): Process GOACC_TILE fns,
22487         ignore unknown specs.
22488         * tree-nested.c (convert_nonlocal_omp_clauses): Allow OMP_CLAUSE_TILE.
22489         * tree.c (omp_clause_num_ops): Adjust TILE ops.
22490         * tree.h (OMP_CLAUSE_TILE_ITERVAR, OMP_CLAUSE_TILE_COUNT): New.
22491
22492 2017-02-09  Gerald Pfeifer  <gerald@pfeifer.com>
22493
22494         * configure.ac (ACX_BUGURL): Update.
22495         * configure: Regenerate.
22496
22497 2017-02-09  Richard Biener  <rguenther@suse.de>
22498
22499         PR tree-optimization/69823
22500         * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
22501         Properly enumerate all BBs in the region.  Use auto_vec/auto_bitmap.
22502
22503 2017-02-09  Andrew Burgess  <andrew.burgess@embecosm.com>
22504
22505         * config/arc/arc-c.def: Add __NPS400__ definition.
22506         * config/arc/arc.h (CPP_SPEC): Don't define __NPS400__ here.
22507         (TARGET_NPS400): Define.
22508
22509 2017-02-09  Andrew Burgess  <andrew.burgess@embecosm.com>
22510
22511         * config/arc/arc-arch.h (arc_arch_t): Move unchanged to earlier in
22512         file.
22513         (arc_cpu_t): Change base_architecture field, arch, to a arc_arc_t
22514         pointer, arch_info.
22515         (arc_cpu_types): Fill the arch_info field with a pointer into the
22516         arc_arch_types table.
22517         (arc_selected_cpu): Declare.
22518         * config/arc/arc.c (arc_selected_cpu): Make global.
22519         (arc_selected_arch): Delete.
22520         (arc_base_cpu): Delete.
22521         (arc_override_options): Remove references to deleted variables,
22522         update access to arch information.
22523         (ARC_OPT): Update access to arch information.
22524         (ARC_OPTX): Likewise.
22525         * config/arc/arc.h (arc_base_cpu): Remove declaration.
22526         (TARGET_ARC600): Update access to arch information.
22527         (TARGET_ARC601): Likewise.
22528         (TARGET_ARC700): Likewise.
22529         (TARGET_EM): Likewise.
22530         (TARGET_HS): Likewise.
22531         * config/arc/driver-arc.c (arc_cpu_to_as): Update access to arch
22532         information.
22533
22534 2017-02-08  Pat Haugen  <pthaugen@us.ibm.com>
22535
22536         PR target/78604
22537         * config/rs6000/rs6000.c (rs6000_emit_vector_cond_expr): Invert
22538         condition/operands for integer GE/LE/GEU/LEU operations.
22539
22540 2017-02-08  Segher Boessenkool  <segher@kernel.crashing.org>
22541
22542         PR translation/79397
22543         * config/rs6000/rs6000.opt (maltivec=le, maltivec=be): Fix spelling
22544         of AltiVec.
22545
22546 2017-02-08  Martin Jambor  <mjambor@suse.cz>
22547
22548         PR ipa/79375
22549         * ipa-prop.c (ipa_alloc_node_params): Make static, return bool
22550         whether allocation happened.
22551         (ipa_initialize_node_params): Do not call ipa_alloc_node_params if
22552         nothing was allocated.
22553
22554 2017-02-08  Jakub Jelinek  <jakub@redhat.com>
22555
22556         PR tree-optimization/79408
22557         * tree-vrp.c (simplify_div_or_mod_using_ranges): If op1 is not
22558         constant, but SSA_NAME with a known integer range, use the minimum
22559         of that range instead of op1 to determine if modulo can be replaced
22560         with its first operand.
22561
22562 2016-02-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
22563
22564         * config/riscv/riscv.c (riscv_build_integer_1): Avoid use of INT16_MAX.
22565
22566 2017-02-08  Richard Biener  <rguenther@suse.de>
22567
22568         PR tree-optimization/71824
22569         * graphite-scop-detection.c (scop_detection::build_scop_breadth):
22570         Check all loops contained in the merged region.
22571
22572 2017-02-07  Andrew Pinski  <apinski@cavium.com>
22573
22574         * config/aarch64/aarch64.md (popcount<mode>2): New pattern.
22575
22576 2017-02-07  Andrew Pinski  <apinski@cavium.com>
22577
22578         * config/aarch64/aarch64-cores.def (thunderx): Disable LSE.
22579         (thunderxt88): Likewise.
22580         (thunderxt81): Disable LSE and change v8.1 to v8.
22581         (thunderxt83): Likewise.
22582
22583 2017-02-07  Jakub Jelinek  <jakub@redhat.com>
22584             Richard Biener  <rguenther@suse.de>
22585
22586         PR middle-end/79399
22587         * ira-int.h (struct target_ira_int): Change x_max_struct_costs_size
22588         type from int to size_t.
22589         * ira-costs.c (struct_costs_size): Change type from int to size_t.
22590
22591 2017-02-07  Jakub Jelinek  <jakub@redhat.com>
22592
22593         PR rtl-optimization/79386
22594         * cprop.c (bypass_conditional_jumps): Initialize
22595         bypass_last_basic_block already before splitting bbs after
22596         unconditional traps...
22597         (bypass_conditional_jumps): ... rather than here.
22598
22599         PR target/79299
22600         * config/i386/sse.md (xtg_mode, gatherq_mode): New mode attrs.
22601         (*avx512f_gathersi<mode>, *avx512f_gathersi<mode>_2,
22602         *avx512f_gatherdi<mode>, *avx512f_gatherdi<mode>_2): Use them,
22603         fix -masm=intel patterns.
22604
22605 2017-02-07  Richard Biener  <rguenther@suse.de>
22606
22607         PR tree-optimization/79256
22608         PR middle-end/79278
22609         * builtins.c (get_object_alignment_2): Use min_align_of_type
22610         to extract alignment for MEM_REFs to honor BIGGEST_FIELD_ALIGNMENT
22611         and ADJUST_FIELD_ALIGN.
22612
22613         * doc/tm.texi.in (ADJUST_FIELD_ALIGN): Adjust to take additional
22614         type parameter.
22615         * doc/tm.texi: Regenerate.
22616         * stor-layout.c (layout_decl): Adjust.
22617         (update_alignment_for_field): Likewise.
22618         (place_field): Likewise.
22619         (min_align_of_type): Likewise.
22620         * config/arc/arc.h (ADJUST_FIELD_ALIGN): Adjust.
22621         * config/epiphany/epiphany.h (ADJUST_FIELD_ALIGN): Likewise.
22622         * config/epiphany/epiphany.c (epiphany_adjust_field_align): Likewise.
22623         * config/frv/frv.h (ADJUST_FIELD_ALIGN): Likewise.
22624         * config/frv/frv.c (frv_adjust_field_align): Likewise.
22625         * config/i386/i386.h (ADJUST_FIELD_ALIGN): Likewise.
22626         * config/i386/i386.c (x86_field_alignment): Likewise.
22627         * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Likewise.
22628         * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Likewise.
22629         * config/rs6000/freebsd64.h (ADJUST_FIELD_ALIGN): Likewise.
22630         * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
22631         * config/rs6000/sysv4.h (ADJUST_FIELD_ALIGN): Likewise.
22632         * config/rs6000/rs6000.c (rs6000_special_adjust_field_align_p):
22633          Likewise.
22634
22635         Revert
22636         2017-01-30  Richard Biener  <rguenther@suse.de>
22637
22638         PR tree-optimization/79256
22639         * targhooks.c (default_builtin_vector_alignment_reachable): Honor
22640         BIGGEST_FIELD_ALIGNMENT and ADJUST_FIELD_ALIGN to fix up bogus
22641         alignment on TYPE.
22642
22643 2017-02-07  Toma Tabacu  <toma.tabacu@imgtec.com>
22644
22645         * config/mips/mips.c (mips_expand_builtin_insn): Convert the QImode
22646         argument of the pshufh, psllh, psllw, psrah, psraw, psrlh, psrlw
22647         builtins to SImode and emit a zero-extend, if necessary.
22648
22649 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
22650
22651         * docs/invoke.texi (RISC-V Options): Alphabetize.
22652
22653 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
22654
22655         * doc/invoke.texi (RISC-V Options): Use two spaces to separate
22656         options.
22657
22658 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
22659
22660         * config/riscv/riscv.c: New file.
22661         * common/config/riscv/riscv-common.c: Likewise.
22662         * config.gcc: Likewise.
22663         * config/riscv/constraints.md: Likewise.
22664         * config/riscv/elf.h: Likewise.
22665         * config/riscv/generic.md: Likewise.
22666         * config/riscv/linux.h: Likewise.
22667         * config/riscv/multilib-generator: Likewise.
22668         * config/riscv/peephole.md: Likewise.
22669         * config/riscv/pic.md: Likewise.
22670         * config/riscv/predicates.md: Likewise.
22671         * config/riscv/riscv-builtins.c: Likewise.
22672         * config/riscv/riscv-c.c: Likewise.
22673         * config/riscv/riscv-ftypes.def: Likewise.
22674         * config/riscv/riscv-modes.def: Likewise.
22675         * config/riscv/riscv-opts.h: Likewise.
22676         * config/riscv/riscv-protos.h: Likewise.
22677         * config/riscv/riscv.h: Likewise.
22678         * config/riscv/riscv.md: Likewise.
22679         * config/riscv/riscv.opt: Likewise.
22680         * config/riscv/sync.md: Likewise.
22681         * config/riscv/t-elf-multilib: Likewise.
22682         * config/riscv/t-linux: Likewise.
22683         * config/riscv/t-linux-multilib: Likewise.
22684         * config/riscv/t-riscv: Likewise.
22685         * configure.ac: Likewise.
22686         * doc/contrib.texi: Add Kito Cheng, Palmer Dabbelt, and Andrew
22687         Waterman as RISC-V maintainers.
22688         * doc/install.texi: Add RISC-V entries.
22689         * doc/invoke.texi: Add RISC-V options section.
22690         * doc/md.texi: Add RISC-V constraints section.
22691         * configure: Regenerated.
22692
22693 2017-02-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
22694
22695         PR target/66144
22696         * config/rs6000/vector.md (vcond<mode><mode>): Allow the true and
22697         false values to be constant vectors with all 0 or all 1 bits set.
22698         (vcondu<mode><mode>): Likewise.
22699         * config/rs6000/predicates.md (vector_int_reg_or_same_bit): New
22700         predicate.
22701         (fpmask_comparison_operator): Update comment.
22702         (vecint_comparison_operator): New predicate.
22703         * config/rs6000/rs6000.c (rs6000_emit_vector_cond_expr): Optimize
22704         vector conditionals when the true and false values are constant
22705         vectors with all 0 bits or all 1 bits set.
22706
22707 2017-02-06  Martin Sebor  <msebor@redhat.com>
22708
22709         PR  tree-optimization/79376
22710         * gimple-fold.c (get_range_strlen): Set the minimum length to zero.
22711
22712 2017-02-06  Uros Bizjak  <ubizjak@gmail.com>
22713
22714         * config/i386/sse.md (vector modes -> vec_extract* splitter): Use
22715         explicit subreg RTX with operand 1.  Use VECTOR_MODE_P predicate
22716         to simplify split condition.
22717
22718 2017-02-06  Jakub Jelinek  <jakub@redhat.com>
22719
22720         * omp-expand.c (oxpand_omp_atomic_fetch_op,
22721         expand_omp_atomic_pipeline): Return false if can_atomic_load_p is
22722         false.
22723
22724 2017-02-06  Segher Boessenkool  <segher@kernel.crashing.org>
22725
22726         PR rtl-optimization/68664
22727         * target.def (can_speculate_insn): New hook.
22728         * doc/tm.texi.in (TARGET_SCHED_CAN_SPECULATE_INSN): New hook.
22729         * doc/tm.texi: Regenerate.
22730         * sched-rgn.c (can_schedule_ready_p): Use the new hook.
22731         * config/rs6000/rs6000.c (TARGET_SCHED_CAN_SPECULATE_INSN): New macro.
22732         (rs6000_sched_can_speculate_insn): New function.
22733
22734 2017-02-06  Jakub Jelinek  <jakub@redhat.com>
22735
22736         PR tree-optimization/79284
22737         * tree-vectorizer.h (VECT_SCALAR_BOOLEAN_TYPE_P): Define.
22738         * tree-vect-stmts.c (vect_get_vec_def_for_operand,
22739         vectorizable_mask_load_store, vectorizable_operation,
22740         vect_is_simple_cond, get_same_sized_vectype): Use it instead
22741         of comparing TREE_CODE of a type against BOOLEAN_TYPE.
22742         * tree-vect-patterns.c (check_bool_pattern, search_type_for_mask_1,
22743         vect_recog_bool_pattern, vect_recog_mask_conversion_pattern): Likewise.
22744         * tree-vect-slp.c (vect_get_constant_vectors): Likewise.
22745         * tree-vect-loop.c (vect_determine_vectorization_factor): Likewise.
22746         Remove redundant gimple_code (stmt) == GIMPLE_ASSIGN test after
22747         is_gimple_assign (stmt).  Replace another such test with
22748         is_gimple_assign (stmt).
22749
22750 2017-02-06  Georg-Johann Lay  <avr@gjlay.de>
22751
22752         PR target/78883
22753         * config/avr/avr.c (rtl-iter.h): Include it.
22754         (TARGET_LEGITIMATE_COMBINED_INSN): New hook define...
22755         (avr_legitimate_combined_insn): ...and implementation.
22756
22757 2017-02-06  Dominik Vogt  <vogt@linux.vnet.ibm.com>
22758
22759         * config/s390/predicates.md ("larl_operand"): Use macros from hwint.h.
22760         * config/s390/s390.c (s390_const_operand_ok)
22761         (s390_canonicalize_comparison, s390_extract_part)
22762         (s390_single_part, s390_contiguous_bitmask_nowrap_p)
22763         (s390_contiguous_bitmask_p, s390_rtx_costs)
22764         (legitimize_pic_address): Likewise.
22765         * config/s390/s390.md ("clzdi2", "clztidi2"): Likewise.
22766         * config/s390/vx-builtins.md ("vec_genbytemaskv16qi")
22767         ("vec_permi<mode>", "vfae<mode>", "*vfaes<mode>", "vstrc<mode>")
22768         ("*vstrcs<mode>"): Use UINTVAL() to set unsigned HOST_WIDE_INT.
22769         * config/s390/vector.md ("vec_vfenes<mode>"): Likewise.
22770
22771 2017-02-06  Georg-Johann Lay  <avr@gjlay.de>
22772
22773         * config/avr/avr.md (*addhi3_zero_extend): Add alternative where
22774         REGNO($0) == REGNO($1).
22775
22776 2017-02-06  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
22777
22778         * config/s390/linux.h(SIZE_TYPE): Add comment.
22779
22780 2017-02-06  Julian Brown  <julian@codesourcery.com>
22781             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
22782             Virendra Pathak  <virendra.pathak@broadcom.com>
22783
22784         * config/aarch64/aarch64-cores.def: Change the scheduler
22785         to Thunderx2t99.
22786         * config/aarch64/aarch64.md: Include thunderx2t99.md.
22787         * config/aarch64/thunderx2t99.md: New file.
22788
22789 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
22790
22791         * doc/standards.texi (Go Language): Update link to language
22792         standard.
22793
22794 2017-02-05  Jan Hubicka  <hubicka@ucw.cz>
22795
22796         * tree-eh.c (lower_resx): Sanitize profile.
22797         (cleanup_empty_eh_move_lp): Likewise.
22798
22799 2017-02-05  Jan Hubicka  <hubicka@ucw.cz>
22800
22801         PR tree-ssa/79347
22802         * cfgloopmanip.c (lv_adjust_loop_entry_edge, loop_version): Add
22803         ELSE_PROB.
22804         * cfgloopmanip.h (loop_version): Update prototype.
22805         * modulo-sched.c (sms_schedule): Update call of loop_version.
22806         * tree-if-conv.c(version_loop_for_if_conversion): Likewise.
22807         * tree-parloops.c (gen_parallel_loop): Likewise.
22808         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Likewise.
22809         * tree-ssa-loop-split.c (split_loop): Likewise.
22810         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Likewise.
22811         * tree-vect-loop-manip.c (vect_loop_versioning): Likewise.
22812
22813 2017-02-05  Martin Liska  <mliska@suse.cz>
22814
22815         PR bootstrap/78985
22816         * config/s390/s390.c (s390_gimplify_va_arg): Initialize local
22817         variable to NULL.
22818         (print_operand_address): Initialize a struct to zero.
22819
22820 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
22821
22822         * doc/contrib.texi (Contributors): Refer to Hans Boehm's
22823         garbage collector only in textual form.
22824
22825 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
22826
22827         * doc/extend.texi (x86 specific memory model extensions for
22828         transactional memory): Simplify a phrase.
22829
22830 2017-02-05  Eric Botcazou  <ebotcazou@adacore.com>
22831
22832         PR target/79353
22833         * config/sparc/sync.md (atomic_loaddi_1): Replace 'U' constraint with
22834         'r', 'm' constraint with 'T' and !TARGET_ARCH64 with TARGET_ARCH32.
22835         (atomic_storedi_1): Likewise.
22836
22837 2017-02-04  Jakub Jelinek  <jakub@redhat.com>
22838
22839         PR tree-optimization/79338
22840         * tree-parloops.c (gather_scalar_reductions): Don't call
22841         vect_analyze_loop_form for loop->inner before destroying loop's
22842         loop_vinfo.
22843
22844 2017-02-03  Martin Sebor  <msebor@redhat.com>
22845
22846         PR tree-optimization/79327
22847         * gimple-ssa-sprintf.c (tree_digits): Avoid adding the base prefix
22848         when precision has resulted in leading zeros.
22849         (format_integer): Adjust the likely counter to assume an unknown
22850         argument that may be zero is non-zero.
22851
22852 2017-02-03  Jason Merrill  <jason@redhat.com>
22853
22854         PR c++/78689
22855         * tree-inline.c (copy_tree_body_r) [COND_EXPR]: Revert change to
22856         avoid copying non-taken branch.
22857
22858 2017-02-03  Jakub Jelinek  <jakub@redhat.com>
22859
22860         PR tree-optimization/79340
22861         * tree-vect-loop.c (vectorizable_reduction): Release
22862         vec_defs elements after safe_splicing them into other vectors.
22863         Formatting fixes.
22864
22865         PR tree-optimization/79327
22866         * gimple-ssa-sprintf.c (adjust_range_for_overflow): If returning
22867         true, always set *argmin and *argmax to TYPE_{MIN,MAX}_VALUE of
22868         dirtype.
22869         (format_integer): Use wide_int_to_tree instead of build_int_cst
22870         + to_?hwi.  If argmin is NULL, just set argmin and argmax to
22871         TYPE_{MIN,MAX}_VALUE of argtype.  Simplify and fix computation
22872         of shortest and longest sequence.
22873
22874 2017-02-03  Uros Bizjak  <ubizjak@gmail.com>
22875
22876         * config/i386/i386.c (dimode_scalar_chain::convert_reg):
22877         Use pextrd for TARGET_SSE4_1 when creating scalar copy.
22878
22879 2017-02-03  Walter Lee  <walt@tilera.com>
22880
22881         PR target/78862
22882         * config/tilegx/tilegx.md (tilegx_expand_prologue): Add blockage
22883         after initial stackframe link reg save.
22884         * config/tilepro/tilepro.md (tilepro_expand_prologue): Likewise.
22885
22886 2017-02-03  Jakub Jelinek  <jakub@redhat.com>
22887
22888         PR target/79354
22889         * config/rs6000/rs6000.md (movsi_from_sf): Use wb constraint instead of
22890         wu for stxssp alternative.
22891
22892 2017-02-03  Martin Sebor  <msebor@redhat.com>
22893
22894         PR tree-optimization/79352
22895         * gimple-fold.c (get_range_strlen): Add argument.
22896         (get_range_strlen): Change return type to bool.
22897         (get_maxval_strlen): Pass in a dummy argument.
22898         * gimple-fold.h (get_range_strlen): Change return type to bool.
22899         * gimple-ssa-sprintf.c (get_string_length): Set unlikely counter.
22900         * tree.h (array_at_struct_end_p): Add argument.
22901         * tree.c (array_at_struct_end_p): Handle it.
22902
22903 2017-02-03  Martin Liska  <mliska@suse.cz>
22904
22905         PR lto/66295
22906         * multiple_target.c (create_dispatcher_calls): Redirect edge
22907         from a caller of a dispatcher.
22908         (expand_target_clones): Make the clones local.
22909         (ipa_target_clone): Do both target clones and resolvers.
22910         (ipa_dispatcher_calls): Remove the pass.
22911         (pass_dispatcher_calls::gate): Likewise.
22912         (make_pass_dispatcher_calls): Likewise.
22913         * passes.def (pass_target_clone): Put as very first IPA early
22914         pass.
22915
22916 2017-02-03  Martin Liska  <mliska@suse.cz>
22917
22918         * symtab.c (symtab_node::binds_to_current_def_p): Bail out
22919         in case of a function with ifunc attribute.
22920
22921 2017-02-03  Martin Liska  <mliska@suse.cz>
22922
22923         * cgraph.c (cgraph_node::dump): Dump function version info.
22924         * symtab.c (symtab_node::dump_base): Add missing new line.
22925
22926 2017-02-02  Jan Hubicka  <hubicka@ucw.cz>
22927
22928         * tree-ssa-ifcombine.c (update_profile_after_ifcombine): New function.
22929         (ifcombine_ifandif): Use it.
22930
22931 2017-02-03  Martin Liska  <mliska@suse.cz>
22932
22933         * doc/invoke.texi: Document default value for
22934         use-after-scope-direct-emission-threshold.
22935
22936 2017-02-03  Martin Liska  <mliska@suse.cz>
22937
22938         PR tree-optimization/79339
22939         * gimple-ssa-sprintf.c (format_floating_max): Call mpfr_clear.
22940         (format_floating): Likewise.
22941
22942 2017-02-03  Martin Liska  <mliska@suse.cz>
22943
22944         PR ipa/79337
22945         * ipa-prop.c (ipa_node_params_t::insert): Remove current
22946         implementation.
22947         (ipa_node_params_t::remove): Likewise.
22948         * ipa-prop.h (ipa_node_params::ipa_node_params): Make default
22949         initialization from removed ipa_node_params_t::insert.
22950         (ipa_node_params::~ipa_node_params): Move from removed
22951         ipa_node_params_t::release.
22952         * symbol-summary.h (symbol_summary::m_released): New member.
22953         Do not release a summary twice.  Do not allow to call finalizer
22954         for types of a summary that live in GGC memory.
22955
22956 2017-02-02  Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
22957
22958         * config/aarch64/aarch64.c (thunderx2t99_tunings): Enable AES and
22959         cmp_branch fusion.
22960
22961 2017-02-02  Martin Sebor  <msebor@redhat.com>
22962
22963         PR middle-end/79275
22964         * gimple-ssa-sprintf.c (get_string_length): Set lower bound to zero.
22965         (format_string): Tighten up the range of output for non-constant
22966         strings and correct the expected range for wide non-constant strings.
22967
22968 2017-02-02  Martin Sebor  <msebor@redhat.com>
22969
22970         * doc/invoke.texi (-maccumulate-args): Fix bad grammar.
22971
22972         PR middle-end/32003
22973         * doc/invoke.texi (-fdump-tree-): Remove pass-specific options from
22974         index.
22975         (-fdump-tree-@var): Add to index and document how to come up
22976         with pass-specific option and dump file names.
22977         (-fdump-passes): Clarify where to look for output.
22978
22979 2017-02-02  Jan Hubicka  <hubicka@ucw.cz>
22980
22981         PR middle-end/77445
22982         * tree-ssa-threadbackward.c (profitable_jump_thread_path): Dump
22983         statistics of the analyzed path; allow threading for speed when
22984         any of BBs along the path are optimized for speed.
22985
22986 2017-02-02  Eric Botcazou  <ebotcazou@adacore.com>
22987
22988         PR middle-end/78468
22989         * emit-rtl.c (init_emit): Add ??? comment for problematic alignment
22990         settings of the virtual registers.
22991
22992         Revert again
22993         2016-08-23  Dominik Vogt  <vogt@linux.vnet.ibm.com>
22994
22995         * explow.c (get_dynamic_stack_size): Take known alignment of stack
22996         pointer + STACK_DYNAMIC_OFFSET into account when calculating the size
22997         needed.
22998
22999 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
23000
23001         * config/s390/vx-builtins.md ("vec_ceil", "vec_floor")
23002         ("vec_trunc", "vec_roundc", "vec_round"): Remove expanders.
23003
23004 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
23005
23006         * config/s390/s390.md: Add missing comments with the expanded
23007         mnemonics.
23008         * config/s390/vector.md: Likewise.
23009         * config/s390/vx-builtins.md: Likewise.
23010
23011 2017-02-02  Jakub Jelinek  <jakub@redhat.com>
23012
23013         PR target/79197
23014         * config/rs6000/rs6000.md (*fixuns_trunc<mode>di2_fctiduz): Rename to ...
23015         (fixuns_trunc<mode>di2): ... this, remove previous expander.  Put all
23016         conditions on a single line.
23017
23018 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
23019
23020         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Rename
23021         __S390_VX__ to __VX__.
23022
23023 2017-02-01  Andrew Pinski  <apinski@cavium.com>
23024
23025         * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost): Pass
23026         stmt_info to record_stmt_cost.
23027         (vect_get_known_peeling_cost): Pass stmt_info if known to
23028         record_stmt_cost.
23029         * config/aarch64/aarch64-protos.h (cpu_vector_cost): Split
23030         cpu_vector_cost field into
23031         scalar_int_stmt_cost and scalar_fp_stmt_cost.  Split vec_stmt_cost
23032         field into vec_int_stmt_cost and vec_fp_stmt_cost.
23033         * config/aarch64/aarch64.c (generic_vector_cost): Update for the
23034         splitting of scalar_stmt_cost and vec_stmt_cost.
23035         (thunderx_vector_cost): Likewise.
23036         (cortexa57_vector_cost): LIkewise.
23037         (exynosm1_vector_cost): Likewise.
23038         (xgene1_vector_cost): Likewise.
23039         (thunderx2t99_vector_cost): Improve after the splitting of the two
23040         fields.
23041         (aarch64_builtin_vectorization_cost): Update for the splitting of
23042         scalar_stmt_cost and vec_stmt_cost.
23043
23044 2017-02-01  Torvald Riegel  <triegel@redhat.com>
23045             Richard Henderson  <rth@redhat.com>
23046
23047         * builtins.c (fold_builtin_atomic_always_lock_free): Make "lock-free"
23048         conditional on existance of a fast atomic load.
23049         * optabs-query.c (can_atomic_load_p): New function.
23050         * optabs-query.h (can_atomic_load_p): Declare it.
23051         * optabs.c (expand_atomic_exchange): Always delegate to libatomic if
23052         no fast atomic load is available for the particular size of access.
23053         (expand_atomic_compare_and_swap): Likewise.
23054         (expand_atomic_load): Likewise.
23055         (expand_atomic_store): Likewise.
23056         (expand_atomic_fetch_op): Likewise.
23057         * testsuite/lib/target-supports.exp
23058         (check_effective_target_sync_int_128): Remove x86 because it provides
23059         no fast atomic load.
23060         (check_effective_target_sync_int_128_runtime): Likewise.
23061
23062 2017-02-01  Richard Biener  <rguenther@suse.de>
23063
23064         * graphite.c: Include tree-vectorizer.h for find_loop_location.
23065         (graphite_transform_loops): Provide opt-info for optimized nests.
23066         * tree-parloop.c (parallelize_loops): Provide opt-info for
23067         parallelized loops.
23068
23069 2017-02-01  Richard Biener  <rguenther@suse.de>
23070
23071         PR middle-end/79315
23072         * tree-cfg.c (move_stmt_op): Never set TREE_BLOCK when it
23073         was not set before.
23074
23075 2017-02-01  Richard Biener  <rguenther@suse.de>
23076
23077         PR tree-optimization/71824
23078         * graphite-scop-detection.c (scop_detection::build_scop_breadth):
23079         Verify the loops are valid in the merged SESE region.
23080         (scop_detection::can_represent_loop_1): Check analyzing the
23081         evolution of the number of iterations in the region succeeds.
23082
23083 2017-01-31  Ian Lance Taylor  <iant@golang.org>
23084
23085         * config/i386/i386.c (ix86_expand_split_stack_prologue): Add
23086         REG_ARGS_SIZE note to 32-bit push insns and call insn.
23087
23088 2017-01-31  David Malcolm  <dmalcolm@redhat.com>
23089
23090         PR preprocessor/79210
23091         * input.c (get_substring_ranges_for_loc): Replace line_width
23092         assertion with error-handling.
23093
23094 2017-01-31  Richard Biener  <rguenther@suse.de>
23095
23096         PR tree-optimization/77318
23097         * graphite-sese-to-poly.c (extract_affine): Fix assert.
23098         (create_pw_aff_from_tree): Take loop parameter.
23099         (add_condition_to_pbb): Pass loop of the condition to
23100         create_pw_aff_from_tree.
23101
23102 2017-01-31  Jakub Jelinek  <jakub@redhat.com>
23103
23104         * config/s390/s390.c (s390_asan_shadow_offset): New function.
23105         (TARGET_ASAN_SHADOW_OFFSET): Redefine.
23106
23107 2017-01-31  Michael Meissner  <meissner@linux.vnet.ibm.com>
23108
23109         PR target/78597
23110         PR target/79038
23111         * config/rs6000/rs6000-protos.h (convert_float128_to_int): Delete,
23112         no longer used.
23113         (convert_int_to_float128): Likewise.
23114         * config/rs6000/rs6000.c (convert_float128_to_int): Likewise.
23115         (convert_int_to_float128): Likewise.
23116         * config/rs6000/rs6000.md (UNSPEC_IEEE128_MOVE): Likewise.
23117         (UNSPEC_IEEE128_CONVERT): Likewise.
23118         (floatsi<mode>2, FLOAT128 iterator): Bypass calling
23119         rs6000_expand_float128_convert if we have IEEE 128-bit hardware.
23120         Use local variables for IBM extended format.
23121         (fix_trunc<mode>si2, FLOAT128 iterator): Likewise.
23122         (fix_trunc<mode>si2_fprs): Likewise.
23123         (fixuns_trunc<IEEE128:mode><SDI:mode>2): Likewise.
23124         (floatuns<IEEE128:mode>2, IEEE128 iterator): Likewise.
23125         (fix<uns>_<mode>si2_hw): Rework the IEEE 128-bt hardware support
23126         to know that we can now have integers of all sizes in vector
23127         registers.
23128         (fix<uns>_<mode>di2_hw): Likewise.
23129         (float<uns>_<mode>si2_hw): Likewise.
23130         (fix_<mode>si2_hw): Likewise.
23131         (fixuns_<mode>si2_hw): Likewise.
23132         (float<uns>_<mode>di2_hw): Likewise.
23133         (float_<mode>di2_hw): Likewise.
23134         (float_<mode>si2_hw): Likewise.
23135         (floatuns_<mode>di2_hw): Likewise.
23136         (floatuns_<mode>si2_hw): Likewise.
23137         (xscvqp<su>wz_<mode>): Delete, no longer used.
23138         (xscvqp<su>dz_<mode>): Likewise.
23139         (xscv<su>dqp_<mode>): Likewise.
23140         (ieee128_mfvsrd_64bit): Likewise.
23141         (ieee128_mfvsrd_32bit): Likewise.
23142         (ieee128_mfvsrwz): Likewise.
23143         (ieee128_mtvsrw): Likewise.
23144         (ieee128_mtvsrd_64bit): Likewise.
23145         (ieee128_mtvsrd_32bit): Likewise.
23146
23147 2017-01-31  Martin Liska  <mliska@suse.cz>
23148
23149         PR ipa/79285
23150         * ipa-prop.c (ipa_free_all_node_params): Call release method
23151         instead of ~sumbol_summary to not to trigger double times
23152         dtor of hash_map.
23153
23154 2017-01-31  Aldy Hernandez  <aldyh@redhat.com>
23155
23156         PR tree-optimization/71691
23157         * bitmap.h (class auto_bitmap): New.
23158         * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Call
23159         is_maybe_undefined instead of ssa_undefined_value_p.
23160
23161 2017-01-31  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
23162
23163         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Rename
23164         __S390_ARCH_LEVEL__ to __ARCH__.
23165
23166 2017-01-31  Jakub Jelinek  <jakub@redhat.com>
23167
23168         PR tree-optimization/79267
23169         * value-prof.c (gimple_ic): Only drop lhs for noreturn calls
23170         if should_remove_lhs_p is true.
23171
23172 2017-01-30  Alexandre Oliva <aoliva@redhat.com>
23173
23174         PR debug/63238
23175         * dwarf2out.c (clone_as_declaration): Drop DW_AT_alignment.
23176         (add_alignment_attribute): New.
23177         (base_type_die): Add alignment attribute.
23178         (subrange_type_die): Likewise.
23179         (modified_type_die): Likewise.
23180         (gen_array_type_die): Likewise.
23181         (gen_descr_array_type_die: Likewise.
23182         (gen_enumeration_type_die): Likewise.
23183         (gen_subprogram_die): Likewise.
23184         (gen_variable_die): Likewise.
23185         (gen_field_die): Likewise.
23186         (gen_ptr_to_mbr_type_die): Likewise.
23187         (gen_struct_or_union_type_die): Likewise.
23188         (gen_subroutine_type_die): Likewise.
23189         (gen_typedef_die): Likewise.
23190         (base_type_cmp): Compare alignment attribute.
23191
23192 2017-01-30  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
23193
23194         PR target/79170
23195         * config/rs6000/altivec.md (*setb_internal): Rename to setb_signed.
23196         (setb_unsigned) New pattern for setb with CCUNS.
23197         * config/rs6000/rs6000.c (expand_block_compare): Use a different
23198         subfc./subfe sequence to avoid overflow problems.  Generate a
23199         shorter sequence with cmpld/setb for power9.
23200         * config/rs6000/rs6000.md (subf<mode>3_carry_dot2): Add a new pattern
23201         for generating subfc. instruction.
23202         (cmpstrsi): Add TARGET_POPCNTD predicate as the generate sequence
23203         now uses this instruction.
23204
23205 2017-01-30  Ian Lance Taylor  <iant@google.com>
23206
23207         PR debug/79289
23208         * dwarf2out.c (gen_type_die_with_usage): When picking a variant
23209         for FUNCTION_TYPE/METHOD_TYPE, use the first matching one.
23210
23211 2017-01-30  Martin Sebor  <msebor@redhat.com>
23212
23213         * gimple-ssa-sprintf.c (fmtresult::adjust_for_width_or_precision):
23214         Move constant to the right of a relational operator.
23215         (get_mpfr_format_length, format_character, format_string): Ditto.
23216         (should_warn_p, maybe_warn): Same.
23217
23218         * doc/invoke.texi (-Wformat-truncation=1): Fix typo.
23219
23220 2017-01-30  Maxim Ostapenko  <m.ostapenko@samsung.com>
23221
23222         PR lto/79061
23223         * asan.c (get_translation_unit_decl): Remove function.
23224         (asan_add_global): Force has_dynamic_init to zero in LTO mode.
23225
23226 2017-01-30  Martin Liska  <mliska@suse.cz>
23227
23228         PR gcov-profile/79259
23229         * opts.c (common_handle_option): Enable flag_ipa_bit_cp w/
23230         -fprofile-generate.
23231
23232 2017-01-30  Martin Liska  <mliska@suse.cz>
23233
23234         PR bootstrap/78985
23235         * config/aarch64/cortex-a57-fma-steering.c (func_fma_steering::analyze):
23236         Initialize variables with NULL value.
23237
23238 2017-01-30  Richard Earnshaw  <rearnsh@arm.com>
23239
23240         PR target/79260
23241         * config.gcc (arm*-*-*): Add arm/arm-flags.h and arm/arm-isa.h to
23242         tm_p_file.
23243         * arm/arm-protos.h: Don't directly include arm-flags.h and arm-isa.h.
23244
23245 2017-01-30  Richard Biener  <rguenther@suse.de>
23246
23247         PR tree-optimization/79276
23248         * tree-vrp.c (process_assert_insertions): Properly adjust common
23249         when removing a duplicate.
23250
23251         * gcc.dg/torture/pr79276.c: New testcase.
23252
23253 2017-01-30  Richard Biener  <rguenther@suse.de>
23254
23255         PR tree-optimization/79256
23256         * targhooks.c (default_builtin_vector_alignment_reachable): Honor
23257         BIGGEST_FIELD_ALIGNMENT and ADJUST_FIELD_ALIGN to fix up bogus
23258         alignment on TYPE.
23259         * tree.c (build_aligned_type): Set TYPE_USER_ALIGN.
23260
23261 2017-01-30  Dominik Vogt  <vogt@linux.vnet.ibm.com>
23262
23263         PR target/79240
23264         * config/s390/s390.md ("*r<noxa>sbg_<mode>_srl_bitmask")
23265         ("*r<noxa>sbg_<mode>_sll_bitmask")
23266         ("*extzv_<mode>_srl<clobbercc_or_nocc>")
23267         ("*extzv_<mode>_sll<clobbercc_or_nocc>"):
23268         Use contiguous_bitmask_nowrap_operand.
23269
23270 2017-01-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
23271
23272         PR target/79268
23273         * config/rs6000/altivec.h (vec_xl): Revise #define.
23274         (vec_xst): Likewise.
23275
23276 2017-01-27  Uros Bizjak  <ubizjak@gmail.com>
23277
23278         * config/i386/i386.c (print_reg): Use REGNO instead of true_regnum.
23279
23280 2017-01-27  Bernd Schmidt  <bschmidt@redhat.com>
23281
23282         PR rtl-optimization/79194
23283         * cprop.c (one_cprop_pass): Move deletion of code after unconditional
23284         traps before call to bypass_conditional_jumps.
23285
23286 2017-01-27  Vladimir Makarov  <vmakarov@redhat.com>
23287
23288         PR tree-optimization/71374
23289         * lra-constraints.c (check_conflict_input_operands): New.
23290         (match_reload): Use it.
23291
23292 2017-01-27  Vladimir Makarov  <vmakarov@redhat.com>
23293
23294         PR target/79131
23295         * lra-assigns.c (find_hard_regno_for_1): Take endianess for into
23296         account to calculate conflict_set.
23297
23298 2017-01-27  Bin Cheng  <bin.cheng@arm.com>
23299
23300         PR rtl-optimization/78559
23301         * combine.c (try_combine): Discard REG_EQUAL and REG_EQUIV for
23302         other_insn in combine.
23303
23304 2017-01-27  Pekka Jääskeläinen  <pekka.jaaskelainen@parmance.com>
23305
23306         * builtin-types.def: Use unsigned_char_type_node for BT_UINT8.  Use
23307         uint16_type_node for BT_UINT16.
23308
23309 2017-01-27  David Malcolm  <dmalcolm@redhat.com>
23310
23311         * doc/sourcebuild.texi (Testsuites): Add "GIMPLE Tests" and
23312         "RTL Tests" to menu.
23313         (GIMPLE Tests): New node.
23314         (RTL Tests): New node.
23315
23316 2017-01-27  Richard Biener  <rguenther@suse.de>
23317
23318         PR tree-optimization/79245
23319         * tree-loop-distribution.c (distribute_loop): Apply cost
23320         modeling also to detected patterns.
23321
23322 2017-01-27  Richard Biener  <rguenther@suse.de>
23323
23324         PR tree-optimization/71433
23325         * tree-vrp.c (register_new_assert_for): Revert earlier changes.
23326         (compare_assert_loc): New function.
23327         (process_assert_insertions): Sort and optimize assert locations
23328         to remove duplicates and push down identical assertions on
23329         edges to their destination block.
23330
23331 2017-01-27  Richard Biener  <rguenther@suse.de>
23332
23333         PR tree-optimization/79244
23334         * tree-vrp.c (remove_range_assertions): Forcefully propagate
23335         out SSA names even if abnormal.
23336
23337 2017-01-27  Jakub Jelinek  <jakub@redhat.com>
23338
23339         * realmpfr.h: Poison MPFR_RND{N,Z,U,D}.
23340         * gimple-ssa-sprintf.c (format_floating_max): Use GMP_RNDN
23341         instead of MPFR_RNDN.
23342
23343 2017-01-27  Richard Earnshaw  <rearnsha@arm.com>
23344
23345         PR target/79239
23346         * arm.c (arm_option_override): Don't call build_target_option_node
23347         until after doing all option overrides.
23348         (arm_valid_target_attribute_tree): Likewise.
23349
23350 2017-01-27  Martin Liska  <mliska@suse.cz>
23351
23352         * doc/invoke.texi (-fprofile-arcs): Document profiling support
23353         for {cd}tors and C++ {cd}tors.
23354
23355 2017-01-27  Dominik Vogt  <vogt@linux.vnet.ibm.com>
23356
23357         * config/s390/s390.md ("*setmem_long_and")
23358         ("*setmem_long_and_31z"): Use zero_extend instead of and.
23359
23360 2017-01-26  Martin Sebor  <msebor@redhat.com>
23361
23362         * gimple-ssa-sprintf.c (format_floating): Simplify the computation
23363         of precision.
23364
23365 2017-01-26  Martin Sebor  <msebor@redhat.com>
23366
23367         * gimple-ssa-sprintf.c (format_floating): Test HAVE_XFmode and
23368         HAVE_DFmode before using XFmode or DFmode.
23369         (parse_directive): Avoid using the z length modifier to avoid
23370         the ISO C++98 does not support the ‘z’ gnu_printf length modifier.
23371
23372         PR middle-end/78703
23373         * gimple-ssa-sprintf.c (adjust_for_width_or_precision): Change
23374         to accept adjustment as an array.
23375         (get_int_range): New function.
23376         (struct directive): Make width and prec arrays.
23377         (directive::set_width, directive::set_precision): Call get_int_range.
23378         (format_integer, format_floating): Handle width and precision ranges.
23379         (format_string, parse_directive): Same.
23380
23381 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
23382
23383         PR debug/79129
23384         * dwarf2out.c (generate_skeleton_bottom_up): For children with
23385         comdat_type_p set, just clone them, but keep the children in the
23386         original DIE.
23387
23388         PR debug/78835
23389         * dwarf2out.c (prune_unused_types): Mark all functions with DIEs
23390         which have direct callers with -fvar-tracking-assignments enabled
23391         in the current TU.
23392         (resolve_addr): Avoid adding skeleton DIEs for DW_AT_call_origin
23393         inside of type units.
23394
23395 2017-01-26  Martin Sebor  <msebor@redhat.com>
23396
23397         PR middle-end/78703
23398         * gimple-ssa-sprintf.c (struct result_range): Add likely and
23399         unlikely counters.
23400         (struct format_result): Replace number_chars, number_chars_min,
23401         and number_chars_max with a single member of struct result_range.
23402         Remove bounded.
23403         (format_result::operator+=): Adjust.
23404         (struct fmtresult): Remove bounded.  Handle likely and unlikely
23405         counters.
23406         (fmtresult::adjust_for_width_or_precision): New function.
23407         (fmtresult:type_max_digits): New function.
23408         (bytes_remaining): Handle likely and unlikely counters.
23409         (min_bytes_remaining): Remove.
23410         (format_percent): Simplify.
23411         (format_integer, format_floating): Set likely and unlikely counters.
23412         (get_string_length, format_character, format_string): Same.
23413         (format_plain, should_warn_p): New function.
23414         (maybe_warn): Call should_warn_p.  Update diagnostic messages
23415         and handle those for all directives, including plain strings.
23416         (format_directive): Handle likely and unlikely counters.
23417         Remove unnecessary quoting from diagnostics.  Add an informational
23418         note.
23419         (add_bytes): Remove.
23420         (pass_sprintf_length::compute_format_length): Simplify.
23421         (try_substitute_return_value): Handle likely and unlikely counters.
23422
23423 2017-01-26  Carl Love  <cel@us.ibm.com>
23424
23425         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Remove
23426         bogus entries for the P8V_BUILTIN_VEC_VGBBD built-ins
23427
23428 2017-01-26  Vladimir Makarov  <vmakarov@redhat.com>
23429
23430         PR target/79131
23431         * lra-assigns.c (setup_live_pseudos_and_spill_after_risky): Take
23432         endianess for subregs into account.
23433         * lra-constraints.c (lra_constraints): Do risky transformations
23434         always on the first iteration.
23435         * lra-lives.c (check_pseudos_live_through_calls): Add arg
23436         last_call_used_reg_set.
23437         (process_bb_lives): Define and use last_call_used_reg_set.
23438         * lra.c (lra): Always continue after lra_constraints on the first
23439         iteration.
23440
23441 2017-01-26  Kirill Yukhin  <kirill.yukhin@gmail.com>
23442
23443         * gcc.target/i386/avx512bw-kshiftlq-2.c: Use unsigned long long
23444         constant.
23445         * gcc.target/i386/avx512bw-kshiftrq-2.c: Ditto.
23446
23447 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
23448
23449         * config/i386/avx512fintrin.h (_ktest_mask16_u8,
23450         _ktestz_mask16_u8, _ktestc_mask16_u8, _kadd_mask16): Move to ...
23451         * config/i386/avx512dqintrin.h (_ktest_mask16_u8,
23452         _ktestz_mask16_u8, _ktestc_mask16_u8, _kadd_mask16): ... here.
23453         * config/i386/i386-builtin.def (__builtin_ia32_ktestchi,
23454         __builtin_ia32_ktestzhi, __builtin_ia32_kaddhi): Use
23455         OPTION_MASK_ISA_AVX512DQ instead of OPTION_MASK_ISA_AVX512F.
23456         * config/i386/sse.md (SWI1248_AVX512BWDQ2): New mode iterator.
23457         (kadd<mode>, ktest<mode>): Use it instead of SWI1248_AVX512BWDQ.
23458
23459 2017-01-26  Marek Polacek  <polacek@redhat.com>
23460
23461         PR c/79199
23462         * fold-const.c (operand_equal_p) [COND_EXPR]: Use OP_SAME_WITH_NULL
23463         for the third operand.
23464
23465 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
23466
23467         PR middle-end/79236
23468         * omp-low.c (struct omp_context): Add simt_stmt field.
23469         (scan_omp_for): Return omp_context *.
23470         (scan_omp_simd): Set simt_stmt on the non-_simt_ SIMD
23471         context to the _simt_ SIMD stmt.
23472         (lower_omp_for): For combined SIMD with sibling _simt_
23473         SIMD, make sure to use the same decls in _looptemp_
23474         clauses as in the sibling.
23475
23476 2017-01-26  David Sherwood  <david.sherwood@arm.com>
23477
23478         PR middle-end/79212
23479         * gimplify.c (omp_notice_variable): Add GOVD_SEEN flag to variables in
23480         all contexts.
23481
23482 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
23483
23484         PR target/70465
23485         * reg-stack.c (emit_swap_insn): Instead of fld a; fld b; fxchg %st(1);
23486         emit fld b; fld a; if possible.
23487
23488         * brig-builtins.def: Update copyright years.
23489         * config/arm/arm_acle_builtins.def: Update copyright years.
23490
23491 2017-01-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
23492
23493         PR target/79179
23494         * config/rs6000/vsx.md (vsx_extract_<mode>_store): Use wY
23495         constraint instead of o for the stxsd instruction.
23496
23497 2017-01-25  Carl Love  <cel@us.ibm.com>
23498
23499         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Fix order
23500         of entries for ALTIVEC_BUILTIN_VEC_PACKS and P8V_BUILTIN_VEC_VGBBD.
23501
23502 2017-01-25  Jonathan Wakely  <jwakely@redhat.com>
23503
23504         * doc/invoke.texi (C++ Dialect Options): Fix typo.
23505
23506 2017-01-25  Richard Biener  <rguenther@suse.de>
23507
23508         PR tree-optimization/69264
23509         * target.def (vector_alignment_reachable): Improve documentation.
23510         * doc/tm.texi: Regenerate.
23511         * targhooks.c (default_builtin_vector_alignment_reachable): Simplify
23512         and add a comment.
23513         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Revert
23514         earlier changes with respect to TYPE_USER_ALIGN.
23515         (vector_alignment_reachable_p): Likewise.  Improve dumping.
23516
23517 2016-01-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
23518
23519         PR target/79145
23520         * config/arm/arm.md (xordi3): Force constant operand into a register
23521         for TARGET_IWMMXT.
23522
23523 2016-01-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
23524
23525         * doc/invoke.texi (-fstore-merging): Correct default optimization
23526         levels at which it is enabled.
23527         (-O): Move -fstore-merging from list to...
23528         (-O2): ... Here.
23529
23530 2017-01-25  Richard Biener  <rguenther@suse.de>
23531
23532         PR debug/78363
23533         * omp-expand.c: Include debug.h.
23534         (expand_omp_taskreg): Make sure to generate early debug before
23535         outlining anything from a function.
23536         (expand_omp_target): Likewise.
23537         (grid_expand_target_grid_body): Likewise.
23538
23539 2017-01-25  Maxim Ostapenko  <m.ostapenko@samsung.com>
23540
23541         PR lto/79061
23542         * asan.c (get_translation_unit_decl): New function.
23543         (asan_add_global): Extract modules file name from globals
23544         TRANSLATION_UNIT_DECL name.
23545
23546 2017-01-24  Eric Botcazou  <ebotcazou@adacore.com>
23547
23548         PR target/77439
23549         * config/arm/arm.c (arm_function_ok_for_sibcall): Add back restriction
23550         for long calls with APCS frame and VFP.
23551
23552 2017-01-24  David Malcolm  <dmalcolm@redhat.com>
23553
23554         * cfg.c (original_copy_tables_initialized_p): New function.
23555         * cfg.h (original_copy_tables_initialized_p): New decl.
23556         * cfgrtl.c (relink_block_chain): Guard the call to
23557         free_original_copy_tables with a call to
23558         original_copy_tables_initialized_p.
23559         * cgraph.h (symtab_node::native_rtl_p): New decl.
23560         * cgraphunit.c (symtab_node::native_rtl_p): New function.
23561         (symtab_node::needed_p): Don't assert for early assembly output
23562         for __RTL functions.
23563         (cgraph_node::finalize_function): Set "force_output" for __RTL
23564         functions.
23565         (cgraph_node::analyze): Bail out early for __RTL functions.
23566         (analyze_functions): Update assertion to support __RTL functions.
23567         (cgraph_node::expand): Bail out early for __RTL functions.
23568         * final.c (rest_of_clean_state): Don't call delete_tree_ssa for
23569         __RTL functions.
23570         * function.h (struct function): Update comment for field
23571         "pass_startwith".
23572         * gimple-expr.c: Include "tree-pass.h".
23573         (gimple_has_body_p): Return false for __RTL functions.
23574         * Makefile.in (OBJS): Add run-rtl-passes.o.
23575         * pass_manager.h (gcc::pass_manager::get_rest_of_compilation): New
23576         accessor.
23577         (gcc::pass_manager::get_clean_slate): New accessor.
23578         * passes.c: Include "insn-addr.h".
23579         (should_skip_pass_p): Add logging.  Update logic for running
23580         "expand" to be compatible with both __GIMPLE and __RTL.  Guard
23581         property-provider override so it is only done for gimple passes.
23582         Don't skip dfinit.
23583         (skip_pass): New function.
23584         (execute_one_pass): Call skip_pass when skipping passes.
23585         * read-md.c (md_reader::read_char): Support filtering
23586         the input to a subset of line numbers.
23587         (md_reader::md_reader): Initialize fields
23588         m_first_line and m_last_line.
23589         (md_reader::read_file_fragment): New function.
23590         * read-md.h (md_reader::read_file_fragment): New decl.
23591         (md_reader::m_first_line): New field.
23592         (md_reader::m_last_line): New field.
23593         * read-rtl-function.c (function_reader::create_function): Only
23594         create cfun if it doesn't already exist.  Set PROP_rtl on cfun's
23595         curr_properties.  Set DECL_INITIAL to a dummy block.
23596         (read_rtl_function_body_from_file_range): New function.
23597         * read-rtl-function.h (read_rtl_function_body_from_file_range):
23598         New decl.
23599         * run-rtl-passes.c: New file.
23600         * run-rtl-passes.h: New file.
23601
23602 2017-01-24  Jeff Law  <law@redhat.com>
23603
23604         * config/microblaze/microblaze.h (ASM_FORMAT_PRIVATE_NAME): Increase
23605         buffer size.
23606
23607 2017-01-24  Bin Cheng  <bin.cheng@arm.com>
23608
23609         PR tree-optimization/79159
23610         * tree-ssa-loop-niter.c (get_cst_init_from_scev): New function.
23611         (record_nonwrapping_iv): Improve boundary using above function if no
23612         value range information.
23613
23614 2017-01-24  Pekka Jääskeläinen  <pekka@parmance.com>
23615             Martin Jambor  <mjambor@suse.cz>
23616
23617         * brig-builtins.def: New file.
23618         * builtins.def (DEF_HSAIL_BUILTIN): New macro.
23619         (DEF_HSAIL_ATOMIC_BUILTIN): Likewise.
23620         (DEF_HSAIL_SAT_BUILTIN): Likewise.
23621         (DEF_HSAIL_INTR_BUILTIN): Likewise.
23622         (DEF_HSAIL_CVT_ZEROI_SAT_BUILTIN): Likewise.
23623         * builtin-types.def (BT_INT8): New.
23624         (BT_INT16): Likewise.
23625         (BT_UINT8): Likewise.
23626         (BT_UINT16): Likewise.
23627         (BT_FN_ULONG): Likewise.
23628         (BT_FN_UINT_INT): Likewise.
23629         (BT_FN_UINT_ULONG): Likewise.
23630         (BT_FN_UINT_LONG): Likewise.
23631         (BT_FN_UINT_PTR): Likewise.
23632         (BT_FN_ULONG_PTR): Likewise.
23633         (BT_FN_INT8_FLOAT): Likewise.
23634         (BT_FN_INT16_FLOAT): Likewise.
23635         (BT_FN_UINT32_FLOAT): Likewise.
23636         (BT_FN_UINT16_FLOAT): Likewise.
23637         (BT_FN_UINT8_FLOAT): Likewise.
23638         (BT_FN_UINT64_FLOAT): Likewise.
23639         (BT_FN_UINT16_UINT32): Likewise.
23640         (BT_FN_UINT32_UINT16): Likewise.
23641         (BT_FN_UINT16_UINT16_UINT16): Likewise.
23642         (BT_FN_INT_PTR_INT): Likewise.
23643         (BT_FN_UINT_PTR_UINT): Likewise.
23644         (BT_FN_LONG_PTR_LONG): Likewise.
23645         (BT_FN_ULONG_PTR_ULONG): Likewise.
23646         (BT_FN_VOID_UINT64_UINT64): Likewise.
23647         (BT_FN_UINT8_UINT8_UINT8): Likewise.
23648         (BT_FN_INT8_INT8_INT8): Likewise.
23649         (BT_FN_INT16_INT16_INT16): Likewise.
23650         (BT_FN_INT_INT_INT): Likewise.
23651         (BT_FN_UINT_FLOAT_UINT): Likewise.
23652         (BT_FN_FLOAT_UINT_UINT): Likewise.
23653         (BT_FN_ULONG_UINT_UINT): Likewise.
23654         (BT_FN_ULONG_UINT_PTR): Likewise.
23655         (BT_FN_ULONG_ULONG_ULONG): Likewise.
23656         (BT_FN_UINT_UINT_UINT): Likewise.
23657         (BT_FN_VOID_UINT_PTR): Likewise.
23658         (BT_FN_UINT_UINT_PTR: Likewise.
23659         (BT_FN_UINT32_UINT64_PTR): Likewise.
23660         (BT_FN_INT_INT_UINT_UINT): Likewise.
23661         (BT_FN_UINT_UINT_UINT_UINT): Likewise.
23662         (BT_FN_UINT_UINT_UINT_PTR): Likewise.
23663         (BT_FN_UINT_ULONG_ULONG_UINT): Likewise.
23664         (BT_FN_ULONG_ULONG_ULONG_ULONG): Likewise.
23665         (BT_FN_LONG_LONG_UINT_UINT): Likewise.
23666         (BT_FN_ULONG_ULONG_UINT_UINT): Likewise.
23667         (BT_FN_VOID_UINT32_UINT64_PTR): Likewise.
23668         (BT_FN_VOID_UINT32_UINT32_PTR): Likewise.
23669         (BT_FN_UINT_UINT_UINT_UINT_UINT): Likewise.
23670         (BT_FN_UINT_FLOAT_FLOAT_FLOAT_FLOAT): Likewise.
23671         (BT_FN_ULONG_ULONG_ULONG_UINT_UINT): Likewise.
23672         * doc/frontends.texi: List BRIG FE.
23673         * doc/install.texi (Testing): Add BRIG tesring requirements.
23674         * doc/invoke.texi (Overall Options): Mention BRIG.
23675         * doc/standards.texi (Standards): Doucment BRIG HSA version.
23676
23677 2017-01-24  Richard Biener  <rguenther@suse.de>
23678
23679         PR translation/79208
23680         * ipa-devirt.c (odr_types_equivalent_p): Fix typo in diagnostic.
23681
23682 2017-01-24  Martin Jambor  <mjambor@suse.cz>
23683
23684         PR bootstrap/79198
23685         * ipa-prop.c (ipa_free_all_node_params): Call summary destructor.
23686         * ipa-prop.c (ipa_node_params_t::insert): Initialize fields known_csts
23687         and known_contexts.
23688
23689 2017-01-24  Aldy Hernandez  <aldyh@redhat.com>
23690
23691         PR middle-end/79123
23692         * gimple-ssa-warn-alloca.c (alloca_call_type): Make sure
23693         casts from signed to unsigned really don't have a range.
23694
23695 2017-01-24  Markus Trippelsdorf  <markus@trippelsdorf.de>
23696
23697         * gimple-ssa-sprintf.c (format_floating): Change MPFR_RNDx to
23698         GMP_RNDx for compatiblity.
23699
23700 2017-01-24  Martin Liska  <mliska@suse.cz>
23701
23702         PR bootstrap/79132
23703         * tree-ssa-reassoc.c (rewrite_expr_tree_parallel): Insert assert
23704         that would prevent us to call alloca with -1 as argument.
23705
23706 2017-01-24  Jakub Jelinek  <jakub@redhat.com>
23707
23708         * dwarf2out.c (output_compilation_unit_header, output_file_names):
23709         Avoid -Wformat-security warning.
23710
23711 2017-01-23  Andrew Pinski  <apinski@cavium.com>
23712
23713         * config/aarch64/aarch64.c (thunderx2t99_addrcost_table): Improve
23714         cost table.
23715
23716 2017-01-23  Martin Sebor  <msebor@redhat.com>
23717
23718         PR middle-end/78703
23719         * gimple-ssa-sprintf.c (warn_level): New global.
23720         (format_integer): Use it here and throughout the rest of the file.
23721         Use the same switch to compute sign as base.
23722         (maybe_warn): New function.
23723         (format_directive): Factor out warnings into maybe_warn.
23724         Add debugging output.  Use warn_level.
23725         (add_bytes): Use warn_level.
23726         (pass_sprintf_length::compute_format_length): Add debugging output.
23727         (try_substitute_return_value): Same.
23728         (pass_sprintf_length::handle_gimple_call): Set and use warn_level.
23729
23730         PR middle-end/78703
23731         * gimple-ssa-sprintf.c (struct format_result): Remove constant member.
23732         (struct fmtresult, format_integer, format_floating): Adjust.
23733         (fmtresult::fmtresult): Set max correctly in two argument ctor.
23734         (get_string_length, format_string,format_directive): Same.
23735         (pass_sprintf_length::compute_format_length): Same.
23736         (try_substitute_return_value): Simplify slightly.
23737
23738         PR middle-end/78703
23739         * gimple-ssa-sprintf.c (pass_sprintf_length::gate): Adjust formatting.
23740         (fmtresult::operator+=): Outlined.
23741         (struct fmtresult): Add ctors.
23742         (struct conversion_spec): Rename...
23743         (struct directive): ...to this.  Add and remove data members.
23744         (directive::set_width, directive::set_precision): New functions.
23745         (format_percent): Use fmtresult ctor.
23746         (get_width_and_precision): Remove.
23747         (format_integer): Make naming changes.  Avoid computing width and
23748         precision.
23749         (format_floating): Same.  Adjust indentation.
23750         (format_character, format_none): New functions.
23751         (format_string): Moved character handling to format_character.
23752         (format_directive): Remove arguments, change return type.
23753         (parse_directive): New function.
23754         (pass_sprintf_length::compute_format_length): Move directive
23755         parsing to parse_directive.
23756
23757 2017-01-23  Jakub Jelinek  <jakub@redhat.com>
23758
23759         * tree.h (assign_assembler_name_if_neeeded): Rename to ...
23760         (assign_assembler_name_if_needed): ... this.
23761         * tree.c (assign_assembler_name_if_neeeded): Rename to ...
23762         (assign_assembler_name_if_needed): ... this.
23763         (free_lang_data_in_cgraph): Adjust callers.
23764         * cgraphunit.c (cgraph_node::analyze): Likewise.
23765         * omp-expand.c (expand_omp_taskreg, expand_omp_target):
23766         Likewise.
23767
23768 2017-01-23  Richard Biener  <rguenther@suse.de>
23769
23770         PR tree-optimization/79088
23771         PR tree-optimization/79188
23772         * tree-ssa-threadupdate.c (mark_threaded_blocks): Move code
23773         resetting loop bounds after last path deletion.  Reset loop
23774         bounds of the target loop, make code match the comments.
23775         * tree-ssa-threadbackwards.c (pass_early_thread_jumps::execute):
23776         Make sure loops need no fixups.
23777
23778 2017-01-23  Kelvin Nilsen  <kelvin@gcc.gnu.org>
23779
23780         * config/rs6000/rs6000-builtin.def (VSIEDPF): Add scalar insert
23781         exponent support with double type for first argument.
23782         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Changed
23783         type returned by __builtin_vec_extract_sig,
23784         __builtin_vec_extract_sig_sp, and __builtin_vec_extract_sig_dp
23785         functions from "vector int" to "vector unsigned int" or from
23786         "vector long long int" to "vector unsigned long long int".
23787         Changed type returned by __builtin_vec_extract_exp,
23788         __builtin_vec_extract_exp_sp, and __builtin_vec_extract_exp_dp
23789         functions from "vector int" to "vector unsigned int" or from
23790         "vector long long int" to "vector unsigned long long int".
23791         Changed return type of __builtin_vec_test_data_class,
23792         __builtin_vec_test_data_class_sp, and
23793         __builtin_vec_test_data_class_dp from "vector int" to
23794         "vector bool int" or from "vector long long int" to "vector bool
23795         long long int" and changed second argument type from "unsigned
23796         int" to "int".  Added new overloaded function forms "vector float
23797         __builtin_vec_insert_exp (vector float, vector unsigned int)" and
23798         "vector float __builtin_vec_insert_exp_sp (vector float, vector
23799         unsigned int)" and "vector double __builtin_vec_insert_exp (vector
23800         double, vector unsigned long long int)" and "vector double
23801         __builtin_vec_insert_exp_dp (vector double, vector unsigned long
23802         long int)".  Changed return type of
23803         __builtin_scalar_test_data_class and
23804         __builtin_scalar_test_data_class_sp and
23805         __builtin_scalar_test_data_class_dp from "unsigned int" to "bool
23806         int" and changed second argument from "unsigned int" to "int".
23807         Changed type returned by __builtin_scalar_test_neg,
23808         __builtin_scalar_test_neg_sp, and __builtin_scalar_test_neg_dp
23809         from "int" to "bool int".  Added new overloaded function form
23810         "double __builtin_scalar_insert_exp (double, unsigned long long int)".
23811         * config/rs6000/vsx.md (xsiexpdpf): New insn for scalar insert
23812         exponent double-precision with floating point first argument.
23813         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Adjust
23814         documentation of scalar_test_data_class, scalar_test_neg,
23815         scalar_extract_sig, scalar_extract_exp, scalar_insert_exp,
23816         vector_extract_exp, vec_extract_sig, vec_insert_exp, and
23817         vec_test_data_class built-in functions to reflect refinements in
23818         their type signatures.
23819
23820 2017-01-23  Andreas Tobler  <andreast@gcc.gnu.org>
23821
23822         * config/aarch64/aarch64.c (aarch64_elf_asm_constructor): Increase
23823         size of buf.
23824         (aarch64_elf_asm_destructor): Likewise.
23825
23826 2017-01-23  Bernd Schmidt  <bschmidt@redhat.com>
23827
23828         PR rtl-optimization/78634
23829         * config/i386/i386.c (ix86_max_noce_ifcvt_seq_cost): New function.
23830         (TARGET_MAX_NOCE_IFCVT_SEQ_COST): Define.
23831         * ifcvt.c (noce_try_cmove): Add missing cost check.
23832
23833         PR rtl-optimization/71724
23834         * combine.c (if_then_else_cond): Look for situations where it is
23835         beneficial to undo the work of one of the recursive calls.
23836
23837 2017-01-23  Bin Cheng  <bin.cheng@arm.com>
23838
23839         PR tree-optimization/70754
23840         * tree-predcom.c (stmt_combining_refs): New parameter INSERT_BEFORE.
23841         (reassociate_to_the_same_stmt): New parameter INSERT_BEFORE.  Insert
23842         combined stmt before it if not NULL.
23843         (combine_chains): Process refs reversely and compute dominance point
23844         for root ref.
23845
23846 2017-01-23  Martin Liska  <mliska@suse.cz>
23847
23848         PR tree-optimization/79196
23849         * tree-ssa-strlen.c (fold_strstr_to_memcmp): Rename to ...
23850         (fold_strstr_to_strncmp): ... this.  Fold the pattern to strncmp
23851         instead of memcmp.
23852         (strlen_optimize_stmt): Call the renamed function.
23853
23854 2017-01-23  Michael Matz  <matz@suse.de>
23855
23856         PR tree-optimization/78384
23857         * tree-ssa-loop-split.c (patch_loop_exit): Use correct edge.
23858
23859 2017-01-23  Richard Biener  <rguenther@suse.de>
23860
23861         PR tree-optimization/79186
23862         * tree-vrp.c (register_new_assert_for): Make sure we've seen
23863         both incoming edges before moving an assert.
23864
23865 2017-01-23  Martin Jambor  <mjambor@suse.cz>
23866
23867         * ipa-prop.c (load_from_param_1): Removed.
23868         (load_from_unmodified_param): Bits from load_from_param_1 put back
23869         here.
23870         (load_from_param): Removed.
23871         (compute_complex_assign_jump_func): Removed stmt2 and just replaced it
23872         with stmt.  Reverted back to use of load_from_unmodified_param.
23873
23874 2017-01-23  Martin Jambor  <mjambor@suse.cz>
23875
23876         PR ipa/79108
23877         * ipa-prop.h (ipa_param_descriptor): Anotate with with GTY(()).
23878         (ipa_node_params): Annotate with GTY((for_user)).  Make descriptors
23879         field a pointer to garbage collected vector, mark lattices and
23880         ipcp_orig_node with GTY((skip)).
23881         (ipa_get_param_count): Adjust to descriptors being a pointer.
23882         (ipa_get_param): Likewise.
23883         (ipa_get_type): Likewise.
23884         (ipa_get_param_move_cost): Likewise.
23885         (ipa_set_param_used): Likewise.
23886         (ipa_get_controlled_uses): Likewise.
23887         (ipa_set_controlled_uses): Likewise.
23888         (ipa_is_param_used): Likewise.
23889         (ipa_node_params_t): Move into garbage collector.  New methods insert
23890         and remove.
23891         (ipa_node_params_sum): Annotate wth GTY(()).
23892         (ipa_check_create_node_params): Adjust to ipa_node_params_sum being
23893         garbage collected.
23894         (ipa_load_from_parm_agg): Adjust declaration.
23895         * ipa-icf.c (param_used_p): Adjust to descriptors being a pointer.
23896         * ipa-profile.c (ipa_profile): Likewise.
23897         * ipa-prop.c (ipa_get_param_decl_index_1): Likewise.
23898         (ipa_populate_param_decls): Make descriptors parameter garbage
23899         collected.
23900         (ipa_dump_param): Adjust to descriptors being a pointer.
23901         (ipa_alloc_node_params): Likewise.
23902         (ipa_initialize_node_params): Likewise.
23903         (load_from_param_1): Make descriptors parameter garbage collected.
23904         (load_from_unmodified_param): Likewise.
23905         (load_from_param): Likewise.
23906         (ipa_load_from_parm_agg): Likewise.
23907         (ipa_node_params::~ipa_node_params): Removed.
23908         (ipa_free_all_node_params): Remove call to delete operator.
23909         (ipa_node_params_t::insert): New.
23910         (ipa_node_params_t::remove): Likewise.
23911         (ipa_node_params_t::duplicate): Adjust to descriptors being a pointer,
23912         copy known_csts and known_contexts vectors.
23913         (ipa_read_node_info): Adjust to descriptors being a pointer.
23914         (ipcp_modif_dom_walker): Make m_descriptors field garbage
23915         collected.
23916         (ipcp_transform_function): Make descriptors variable garbage
23917         collected.
23918
23919 2017-01-23  Andrew Senkevich  <andrew.senkevich@intel.com>
23920
23921         * config/i386/avx512bwintrin.h: Add k-mask test, kortest intrinsics.
23922         * config/i386/avx512dqintrin.h: Ditto.
23923         * config/i386/avx512fintrin.h: Ditto.
23924         * config/i386/i386.c: Handle new builtins.
23925         * config/i386/i386-builtin.def: Add new builtins.
23926         * config/i386/sse.md (ktest<mode>, kortest<mode>): New.
23927         (UNSPEC_KORTEST, UNSPEC_KTEST): New.
23928
23929 2017-01-23  Jakub Jelinek  <jakub@redhat.com>
23930             Martin Liska  <mliska@suse.cz>
23931
23932         * asan.h: Define ASAN_USE_AFTER_SCOPE_ATTRIBUTE.
23933         * asan.c (asan_expand_poison_ifn): Support stores and use
23934         appropriate ASAN report function.
23935         * internal-fn.c (expand_ASAN_POISON_USE): New function.
23936         * internal-fn.def (ASAN_POISON_USE): Declare.
23937         * tree-into-ssa.c (maybe_add_asan_poison_write): New function.
23938         (maybe_register_def): Create ASAN_POISON_USE when sanitizing.
23939         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Remove
23940         ASAN_POISON calls w/o LHS.
23941         * tree-ssa.c (execute_update_addresses_taken): Create clobber
23942         for ASAN_MARK (UNPOISON, &x, ...) in order to prevent usage of a LHS
23943         from ASAN_MARK (POISON, &x, ...) coming to a PHI node.
23944         * gimplify.c (asan_poison_variables): Add attribute
23945         use_after_scope_memory to variables that really needs to live
23946         in memory.
23947         * tree-ssa.c (is_asan_mark_p): Do not rewrite into SSA when
23948         having the attribute.
23949
23950 2017-01-23  Martin Liska  <mliska@suse.cz>
23951
23952         * asan.c (create_asan_shadow_var): New function.
23953         (asan_expand_poison_ifn): Likewise.
23954         * asan.h (asan_expand_poison_ifn): New declaration.
23955         * internal-fn.c (expand_ASAN_POISON): Likewise.
23956         * internal-fn.def (ASAN_POISON): New builtin.
23957         * sanopt.c (pass_sanopt::execute): Expand
23958         asan_expand_poison_ifn.
23959         * tree-inline.c (copy_decl_for_dup_finish): Make function
23960         external.
23961         * tree-inline.h (copy_decl_for_dup_finish): Likewise.
23962         * tree-ssa.c (is_asan_mark_p): New function.
23963         (execute_update_addresses_taken): Rewrite local variables
23964         (identified just by use-after-scope as addressable) into SSA.
23965
23966 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
23967
23968         * doc/install.texi (Specific): opensource.apple.com uses https
23969         now. Remove trailing slash.
23970
23971 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
23972
23973         * README.Portability: Remove note on an Irix compatibility issue.
23974
23975 2017-01-22  Dimitry Andric <dim@FreeBSD.org>
23976
23977         * gcov.c (INCLUDE_ALGORITHM): Define.
23978         (INCLUDE_VECTOR): Define.
23979         No longer include <vector> and <algorithm> directly.
23980
23981 2017-01-21  Gerald Pfeifer  <gerald@pfeifer.com>
23982
23983         * doc/extend.texi (Thread-Local): Change www.akkadia.org reference
23984         to https.
23985         * doc/invoke.texi (Code Gen Options): Ditto.
23986
23987 2017-01-21  Jan Hubicka  <hubicka@ucw.cz>
23988
23989         PR lto/78407
23990         * cfg.c (update_bb_profile_for_threading): Fix updating of probablity.
23991
23992 2017-01-21  Bernd Schmidt  <bschmidt@redhat.com>
23993
23994         rtl-optimization/79125
23995         * cprop.c (local_cprop_pass): Handle cases where we make an
23996         unconditional trap.
23997
23998 2017-01-20  Segher Boessenkool  <segher@kernel.crashing.org>
23999
24000         PR target/61729
24001         PR target/77850
24002         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Adjust address to
24003         read from, for big endian.
24004
24005 2017-01-20  Jiong Wang  <jiong.wang@arm.com>
24006
24007         * config/aarch64/aarch64-builtins.c (aarch64_init_builtins): Register
24008         register pauth builtins for LP64 only.
24009
24010 2017-01-20  Marek Polacek  <polacek@redhat.com>
24011
24012         PR c/79152
24013         * gimplify.c (should_warn_for_implicit_fallthrough): Handle consecutive
24014         non-case labels.
24015
24016 2017-01-20  Alexander Monakov  <amonakov@ispras.ru>
24017
24018         * omp-expand.c (expand_omp_simd): Clear PROP_gimple_lomp_dev regardless
24019         of safelen status.
24020         * omp-offload.c (pass_omp_device_lower::gate): Use PROP_gimple_lomp_dev.
24021         * passes.c (dump_properties): Handle PROP_gimple_lomp_dev.
24022         * tree-inline.c (expand_call_inline): Propagate PROP_gimple_lomp_dev.
24023
24024 2017-01-20  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
24025
24026         PR target/71270
24027         * config/arm/arm.c (neon_valid_immediate): Reject vector constants
24028         in big-endian mode when they are not a single duplicated value.
24029
24030 2017-01-20  Richard Biener  <rguenther@suse.de>
24031
24032         * BASE-VER: Bump to 7.0.1.
24033
24034 2017-01-20  Alexander Monakov  <amonakov@ispras.ru>
24035
24036         * omp-low.c (omplow_simd_context): New struct.  Use it...
24037         (lower_rec_simd_input_clauses): ...here and...
24038         (lower_rec_input_clauses): ...here to hold common data.  Adjust all
24039         references to idx, lane, max_vf, is_simt.
24040
24041 2017-01-20  Graham Markall  <graham.markall@embecosm.com>
24042
24043         * config/arc/arc.h (LINK_SPEC): Use arclinux_nps emulation when
24044         mcpu=nps400.
24045
24046 2017-01-20  Martin Jambor  <mjambor@suse.cz>
24047
24048         * hsa.h: Renaed to hsa-common.h.  Adjusted a comment.
24049         * hsa.c: Renaed to hsa-common.c.  Change include of gt-hsa.h to
24050         gt-hsa-common.h.
24051         * Makefile.in (OBJS): Rename hsa.o to hsa-common.o.
24052         (GTFILES): Rename hsa.c to hsa-common.c.
24053         * hsa-brig.c: Change include of hsa.h to hsa-common.h.
24054         * hsa-dump.c: Likewise.
24055         * hsa-gen.c: Likewise.
24056         * hsa-regalloc.c: Likewise.
24057         * ipa-hsa.c: Likewise.
24058         * omp-expand.c: Likewise.
24059         * omp-low.c: Likewise.
24060         * toplev.c: Likewise.
24061
24062 2017-01-20  Marek Polacek  <polacek@redhat.com>
24063
24064         PR c/64279
24065         * doc/invoke.texi: Document -Wduplicated-branches.
24066         * fold-const.c (operand_equal_p): Handle MODIFY_EXPR, INIT_EXPR,
24067         COMPOUND_EXPR, PREDECREMENT_EXPR, PREINCREMENT_EXPR,
24068         POSTDECREMENT_EXPR, POSTINCREMENT_EXPR, CLEANUP_POINT_EXPR, EXPR_STMT,
24069         STATEMENT_LIST, and RETURN_EXPR.  For non-pure non-const functions
24070         return 0 only when not OEP_LEXICOGRAPHIC.
24071         (fold_build_cleanup_point_expr): Use the expression
24072         location when building CLEANUP_POINT_EXPR.
24073         * tree-core.h (enum operand_equal_flag): Add OEP_LEXICOGRAPHIC.
24074         * tree.c (add_expr): Handle error_mark_node.
24075
24076 2017-01-20  Martin Liska  <mliska@suse.cz>
24077
24078         PR lto/69188
24079         * tree-profile.c (init_ic_make_global_vars): Do not call
24080         finalize_decl.
24081         (gimple_init_gcov_profiler): Likewise.
24082
24083 2017-01-20  Martin Liska  <mliska@suse.cz>
24084
24085         PR ipa/71190
24086         * cgraph.h (maybe_create_reference): Remove argument and
24087         update comment.
24088         * cgraphclones.c (cgraph_node::create_virtual_clone): Remove one
24089         argument.
24090         * ipa-cp.c (create_specialized_node): Likewise.
24091         * symtab.c (symtab_node::maybe_create_reference): Handle
24092         VAR_DECLs and ADDR_EXPRs and select ipa_ref_use type.
24093
24094 2017-01-20  Martin Liska  <mliska@suse.cz>
24095
24096         * read-rtl-function.c (function_reader::create_function): Use
24097         build_decl instread of build_decl_stat.
24098
24099 2017-01-20  Andrew Senkevich  <andrew.senkevich@intel.com>
24100
24101         * config/i386/avx512bwintrin.h: Add k-mask registers shift intrinsics.
24102         * config/i386/avx512dqintrin.h: Ditto.
24103         * config/i386/avx512fintrin.h: Ditto.
24104         * config/i386/i386-builtin-types.def: Add new types.
24105         * config/i386/i386.c: Handle new types.
24106         * config/i386/i386-builtin.def (__builtin_ia32_kshiftliqi)
24107         (__builtin_ia32_kshiftlihi, __builtin_ia32_kshiftlisi)
24108         (__builtin_ia32_kshiftlidi, __builtin_ia32_kshiftriqi)
24109         (__builtin_ia32_kshiftrihi, __builtin_ia32_kshiftrisi)
24110         (__builtin_ia32_kshiftridi): New.
24111         * config/i386/sse.md (k<code><mode>): Rename *k<code><mode>.
24112
24113 2017-01-19  Segher Boessenkool  <segher@kernel.crashing.org>
24114
24115         PR target/78875
24116         PR target/79140
24117         * config/rs6000/rs6000.c (TARGET_STACK_PROTECT_GUARD): Unconditionally
24118         define to rs6000_init_stack_protect_guard.
24119         (rs6000_init_stack_protect_guard): New function.
24120
24121 2017-01-19  Matthew Fortune  <matthew.fortune@imgtec.com>
24122             Yunqiang Su  <yunqiang.su@imgtec.com>
24123
24124         * config.gcc (supported_defaults): Add madd4.
24125         (with_madd4): Add validation.
24126         (all_defaults): Add madd4.
24127         * config/mips/mips.opt (mmadd4): New option.
24128         * config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
24129         mmadd4.
24130         (TARGET_CPU_CPP_BUILTINS): Add builtin_define for
24131         __mips_no_madd4.
24132         (ISA_HAS_UNFUSED_MADD4): Gate with mips_madd4.
24133         (ISA_HAS_FUSED_MADD4): Likewise.
24134         * doc/invoke.texi (-mmadd4): Document the new option.
24135         * doc/install.texi (--with-madd4): Document the new option.
24136
24137 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
24138
24139         * config/aarch64/aarch64-builtins.c (enum aarch64_builtins): New
24140         entries for AARCH64_PAUTH_BUILTIN_XPACLRI,
24141         AARCH64_PAUTH_BUILTIN_PACIA1716, AARCH64_PAUTH_BUILTIN_AUTIA1716.
24142         (aarch64_init_pauth_hint_builtins): New.
24143         (aarch64_init_builtins): Call aarch64_init_pauth_hint_builtins.
24144         (aarch64_expand_builtin): Expand new builtins.
24145
24146 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
24147
24148         * reg-notes.def (CFA_TOGGLE_RA_MANGLE): New reg-note.
24149         * combine-stack-adj.c (no_unhandled_cfa): Handle
24150         REG_CFA_TOGGLE_RA_MANGLE.
24151         * dwarf2cfi.c (dwarf2out_frame_debug): Handle REG_CFA_TOGGLE_RA_MANGLE.
24152         * config/aarch64/aarch64.c (aarch64_expand_prologue): Generates DWARF
24153         info for return address signing.
24154         (aarch64_expand_epilogue): Likewise.
24155
24156 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
24157
24158         * config/aarch64/aarch64-opts.h (aarch64_function_type): New enum.
24159         * config/aarch64/aarch64-protos.h
24160         (aarch64_return_address_signing_enabled): New declaration.
24161         * config/aarch64/aarch64.c (aarch64_return_address_signing_enabled):
24162         New function.
24163         (aarch64_expand_prologue): Sign return address before it's pushed onto
24164         stack.
24165         (aarch64_expand_epilogue): Authenticate return address fetched from
24166         stack.
24167         (aarch64_override_options): Sanity check for ILP32 and ISA level.
24168         (aarch64_attributes): New function attributes for "sign-return-address".
24169         * config/aarch64/aarch64.md (UNSPEC_AUTI1716, UNSPEC_AUTISP,
24170         UNSPEC_PACI1716, UNSPEC_PACISP, UNSPEC_XPACLRI): New unspecs.
24171         ("*do_return"): Generate combined instructions according to key index.
24172         ("<pauth_mnem_prefix>sp", "<pauth_mnem_prefix1716", "xpaclri"): New.
24173         * config/aarch64/iterators.md (PAUTH_LR_SP, PAUTH_17_16): New integer
24174         iterators.
24175         (pauth_mnem_prefix, pauth_hint_num_a): New integer attributes.
24176         * config/aarch64/aarch64.opt (msign-return-address=): New.
24177         * doc/extend.texi (AArch64 Function Attributes): Documents
24178         "sign-return-address=".
24179         * doc/invoke.texi (AArch64 Options): Documents "-msign-return-address=".
24180
24181 2017-01-19  Matthew Fortune  <matthew.fortune@imgtec.com>
24182
24183         * doc/invoke.texi: Add missing -mlxc1-sxc1 options to
24184         overall option summary.
24185
24186 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
24187
24188         * config/aarch64/aarch64-arches.def: New entry for "armv8.3-a".
24189         * config/aarch64/aarch64.h (AARCH64_FL_V8_3, AARCH64_FL_FOR_ARCH8_3,
24190         AARCH64_ISA_V8_3, TARGET_ARMV8_3): New.
24191         * doc/invoke.texi (AArch64 Options): Document "armv8.3-a".
24192
24193 2017-01-19  Michael Meissner  <meissner@linux.vnet.ibm.com>
24194
24195         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Enable
24196         -mpower9-minmax by default for -mcpu=power9.
24197         (ISA_3_MASKS_IEEE): Require -mvsx-small-integer to enable IEEE
24198         128-bit floating point.
24199
24200 2017-01-20  Alan Modra  <amodra@gmail.com>
24201
24202         * config/rs6000/rs6000.md (cmpstrnsi, cmpstrsi): Fail if
24203         optimizing for size.
24204
24205 2017-01-20  Alan Modra  <amodra@gmail.com>
24206
24207         PR target/79144
24208         * config/rs6000/rs6000.c (expand_strn_compare): Get the asm name
24209         for strcmp and strncmp from corresponding builtin decl.
24210
24211 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
24212
24213         * config.gcc (x86_64-*-rtems*): Use i386/rtemself.h
24214         instead of i386/rtems-64.h.
24215         * config/i386/rtems-64.h: Remove.
24216
24217 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
24218
24219         PR target/78478
24220         Revert:
24221         2013-11-05  Uros Bizjak  <ubizjak@gmail.com>
24222
24223         * config/i386/rtemself.h (LONG_DOUBLE_TYPE_SIZE): New define.
24224
24225 2017-01-19  Tamar Christina  <tamar.christina@arm.com>
24226
24227         * config/aarch64/aarch64.c (aarch64_simd_gen_const_vector_dup):
24228         Change int to HOST_WIDE_INT.
24229         * config/aarch64/aarch64-protos.h
24230         (aarch64_simd_gen_const_vector_dup): Likewise.
24231         * config/aarch64/aarch64-simd.md: Add copysign<mode>3.
24232
24233 2017-01-19  David Malcolm  <dmalcolm@redhat.com>
24234
24235         * langhooks-def.h (lhd_type_for_size): New decl.
24236         (LANG_HOOKS_TYPE_FOR_SIZE): Define as lhd_type_for_size.
24237         * langhooks.c (lhd_type_for_size): New function, taken from
24238         lto_type_for_size.
24239
24240 2017-01-19  Pat Haugen  <pthaugen@us.ibm.com>
24241
24242         * config/rs6000/power9.md (power9-alu): Remove 'cmp' type and add
24243         define_bypass for CR latency.
24244         (power9-cracked-alu): Update bypass latency and remove power9-branch.
24245         (power9-alu2): Add define_bypass for CR latency.
24246         (power9-cmp): New.
24247         (power9-mul): Update insn latency.
24248         (power9-mul-compare): Update insn latency, bypass latency and remove
24249         power9-branch.
24250
24251 2016-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
24252
24253         * config/aarch64/aarch64-protos.h (aarch64_nopcrelative_literal_loads):
24254         Delete.
24255         * config/aarch64/aarch64.md
24256         (aarch64_reload_movcp<GPF_TF:mode><P:mode>): Delete reference to
24257         aarch64_nopcrelative_literal_loads.
24258         (aarch64_reload_movcp<VALL:mode><P:mode>): Likewise.
24259
24260 2017-01-19  Chenghua Xu  <paul.hua.gm@gmail.com>
24261
24262         * config/mips/mips.h (ISA_HAS_FUSED_MADD4): Enable for
24263         TARGET_LOONGSON_3A.
24264         (ISA_HAS_UNFUSED_MADD4): Exclude TARGET_LOONGSON_3A.
24265
24266 2017-01-19  Doug Gilmore  <doug.gilmore@imgtec.com>
24267
24268         PR target/78176
24269         * config.gcc (supported_defaults): Add lxc1-sxc1.
24270         (with_lxc1_sxc1): Add validation.
24271         (all_defaults): Add lxc1-sxc1.
24272         * config/mips/mips.opt (mlxc1-sxc1): New option.
24273         * config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
24274         mlxc1-sxc1.
24275         (TARGET_CPU_CPP_BUILTINS): Add builtin_define for
24276         __mips_no_lxc1_sxc1.
24277         (ISA_HAS_LXC1_SXC1): Gate with mips_lxc1_sxc1.
24278         * doc/invoke.texi (-mlxc1-sxc1): Document the new option.
24279         * doc/install.texi (--with-lxc1-sxc1): Document the new option.
24280
24281 2017-01-19  Richard Biener  <rguenther@suse.de>
24282
24283         PR tree-optimization/72488
24284         * tree-ssa-sccvn.c (run_scc_vn): When we abort the VN make
24285         sure to restore SSA info.
24286         * tree-ssa.c (verify_ssa): Verify SSA info is not shared.
24287
24288 2017-01-19  Richard Earnshaw  <rearnsha@arm.com>
24289
24290         PR rtl-optimization/79121
24291         * expr.c (expand_expr_real_2, case LSHIFT_EXPR): Look at the signedness
24292         of the inner type when shifting an extended value.
24293
24294 2017-01-17  Jan Hubicka  <hubicka@ucw.cz>
24295
24296         PR lto/78407
24297         * symtab.c (symtab_node::equal_address_to): Fix comparing of
24298         interposable aliases.
24299
24300 2017-01-18  Peter Bergner  <bergner@vnet.ibm.com>
24301
24302         PR target/78516
24303         * config/rs6000/spe.md (mov_si<mode>_e500_subreg0): Fix constraints.
24304         Use the evmergelohi instruction.
24305         (mov_si<mode>_e500_subreg4_2_le): Likewise.
24306         (mov_sitf_e500_subreg8_2_be): Likewise.
24307         (mov_sitf_e500_subreg12_2_le): Likewise.
24308         (mov_si<mode>_e500_subreg0_2_le): Fix constraints.
24309         (mov_si<mode>_e500_subreg4_2_be): Likewise.
24310         (mov_sitf_e500_subreg8_2_le): Likewise.
24311         (mov_sitf_e500_subreg12_2_be): Likewise.
24312
24313 2017-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
24314
24315         * config/rs6000/altivec.md (altivec_vbpermq): Change "type"
24316         attribute from vecsimple to vecperm.
24317         (altivec_vbpermq2): Likewise.
24318
24319 2017-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
24320
24321         PR target/79040
24322         * config/rs6000/altivec.h: Fix typo of vec_cntlz to vec_cnttz.
24323
24324 2017-01-18  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
24325         * config/rs6000/rs6000-protos.h (expand_strn_compare): Add arg.
24326         * config/rs6000/rs6000.c (expand_strn_compare): Add ability to expand
24327         strcmp. Fix bug where comparison didn't stop with zero byte. Fix
24328         case where N arg is SIZE_MAX.
24329         * config/rs6000/rs6000.md (cmpstrnsi): Args to expand_strn_compare.
24330         (cmpstrsi): Add pattern.
24331
24332 2017-01-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
24333
24334         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
24335         __builtin_vec_revb builtins.
24336         * config/rs6000/rs6000-builtins.def (P9V_BUILTIN_XXBRQ_V16QI): Add
24337         built-in functions to support generation of the ISA 3.0 XXBR<x>
24338         vector byte reverse instructions.
24339         (P9V_BUILTIN_XXBRQ_V1TI): Likewise.
24340         (P9V_BUILTIN_XXBRD_V2DI): Likewise.
24341         (P9V_BUILTIN_XXBRD_V2DF): Likewise.
24342         (P9V_BUILTIN_XXBGW_V4SI): Likewise.
24343         (P9V_BUILTIN_XXBGW_V4SF): Likewise.
24344         (P9V_BUILTIN_XXBGH_V8HI): Likewise.
24345         (P9V_BUILTIN_VEC_REVB): Likewise.
24346         * config/rs6000/vsx.md (p9_xxbrq_v1ti): New insns/expanders to
24347         generate the ISA 3.0 XXBR<x> vector byte reverse instructions.
24348         (p9_xxbrq_v16qi): Likewise.
24349         (p9_xxbrd_<mode>, VSX_D iterator): Likewise.
24350         (p9_xxbrw_<mode>, VSX_W iterator): Likewise.
24351         (p9_xxbrh_v8hi): Likewise.
24352         * config/rs6000/altivec.h (vec_revb): Define if ISA 3.0.
24353         * doc/extend.texi (RS/6000 Altivec Built-ins): Document the
24354         vec_revb built-in functions.
24355
24356 2017-01-18  Uros Bizjak  <ubizjak@gmail.com>
24357
24358         PR rtl-optimization/78952
24359         * config/i386/i386.md (any_extract): New code iterator.
24360         (*insvqi_2): Use any_extract for source operand.
24361         (*insvqi_3): Use any_shiftrt for source operand.
24362
24363 2017-01-18  Wilco Dijkstra  <wdijkstr@arm.com>
24364
24365         * config/aarch64/aarch64.c (aarch64_sched_adjust_priority)
24366         New function.
24367         (TARGET_SCHED_ADJUST_PRIORITY): Define target hook.
24368
24369 2017-01-18  Matthias Klose  <doko@ubuntu.com>
24370
24371         * doc/install.texi: Allow default for --with-target-bdw-gc-include.
24372
24373 2016-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
24374
24375         * config/rs6000/altivec.h (vec_bperm): Change #define.
24376         * config/rs6000/altivec.md (UNSPEC_VBPERMD): New enum constant.
24377         (altivec_vbpermq2): New define_insn.
24378         (altivec_vbpermd): Likewise.
24379         * config/rs6000/rs6000-builtin.def (VBPERMQ2): New monomorphic
24380         function interface.
24381         (VBPERMD): Likewise.
24382         (VBPERM): New polymorphic function interface.
24383         * config/rs6000/r6000-c.c (altivec_overloaded_builtins_table):
24384         Add entries for P9V_BUILTIN_VEC_VBPERM.
24385         * doc/extend.texi: Add interfaces for vec_bperm.
24386
24387 2017-01-18  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
24388
24389         * config/s390/s390-c.c (s390_expand_overloaded_builtin): Downcase
24390         first letter of error messages.
24391         (s390_resolve_overloaded_builtin): Likewise.
24392         * config/s390/s390.c (s390_expand_builtin): Likewise.
24393         (s390_invalid_arg_for_unprototyped_fn): Likewise.
24394         (s390_valid_target_attribute_inner_p): Likewise.
24395         * config/s390/s390.md ("tabort"): Likewise.
24396
24397 2017-01-18  Toma Tabacu  <toma.tabacu@imgtec.com>
24398
24399         * config/mips/mips.h (ISA_HAS_DIV3): Remove unused macro.
24400         (ISA_AVOID_DIV_HILO): New macro.
24401         (ISA_HAS_DIV): Use new ISA_AVOID_DIV_HILO macro.
24402         (ISA_HAS_DDIV): Likewise.
24403
24404 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
24405
24406         * doc/invoke.texi (fabi-version): Correct number of occurrences.
24407
24408 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
24409
24410         * doc/invoke.texi (fabi-version): Spelling fix.
24411
24412 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
24413
24414         PR c++/70182
24415         * doc/invoke.texi (fabi-version): Mention mangling fix for
24416         operator names.
24417
24418 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
24419
24420         PR c++/77489
24421         * doc/invoke.texi (fabi-version): Document discriminator mangling.
24422
24423 2017-01-17  Segher Boessenkool  <segher@kernel.crashing.org>
24424
24425         PR target/78875
24426         * config/rs6000/rs6000-opts.h (stack_protector_guard): New enum.
24427         * config/rs6000/rs6000.c (rs6000_option_override_internal): Handle
24428         the new options.
24429         * config/rs6000/rs6000.md (stack_protect_set): Handle the new more
24430         flexible settings.
24431         (stack_protect_test): Ditto.
24432         * config/rs6000/rs6000.opt (mstack-protector-guard=,
24433         mstack-protector-guard-reg=, mstack-protector-guard-offset=): New
24434         options.
24435         * doc/invoke.texi (Option Summary) [RS/6000 and PowerPC Options]:
24436         Add -mstack-protector-guard=, -mstack-protector-guard-reg=, and
24437         -mstack-protector-guard-offset=.
24438         (RS/6000 and PowerPC Options): Ditto.
24439
24440 2017-01-17  Uros Bizjak  <ubizjak@gmail.com>
24441
24442         * config/i386/i386.h (MASK_CLASS_P): New define.
24443         * config/i386/i386.c (inline_secondary_memory_needed): Ensure that
24444         there are no registers from different register sets also when
24445         mask registers are used.  Update function comment.
24446         * config/i386/i386.md (*movsi_internal): Split (*k/*krm) alternative
24447         to (*k/*r) and (*k/*km) alternatives.
24448
24449 2017-01-17  Wilco Dijkstra  <wdijkstr@arm.com>
24450
24451         * config/aarch64/aarch64.md (eh_return): Remove pattern and splitter.
24452         * config/aarch64/aarch64.h (AARCH64_EH_STACKADJ_REGNUM): Remove.
24453         (EH_RETURN_HANDLER_RTX): New define.
24454         * config/aarch64/aarch64.c (aarch64_frame_pointer_required):
24455         Force frame pointer in EH return functions.
24456         (aarch64_expand_epilogue): Add barrier for eh_return.
24457         (aarch64_final_eh_return_addr): Remove.
24458         (aarch64_eh_return_handler_rtx): New function.
24459         * config/aarch64/aarch64-protos.h (aarch64_final_eh_return_addr):
24460         Remove.
24461         (aarch64_eh_return_handler_rtx): New prototype.
24462
24463 2017-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
24464
24465         * config/rs6000/altivec.h (vec_rlmi): New #define.
24466         (vec_vrlnm): Likewise.
24467         (vec_rlnm): Likewise.
24468         * config/rs6000/altivec.md (UNSPEC_VRLMI): New UNSPEC enum value.
24469         (UNSPEC_VRLNM): Likewise.
24470         (VIlong): New mode iterator.
24471         (altivec_vrl<VI_char>mi): New define_insn.
24472         (altivec_vrl<VI_char>nm): Likewise.
24473         * config/rs6000/rs6000-builtin.def (VRLWNM): New monomorphic
24474         function entry.
24475         (VRLDNM): Likewise.
24476         (RLNM): New polymorphic function entry.
24477         (VRLWMI): New monomorphic function entry.
24478         (VRLDMI): Likewise.
24479         (RLMI): New polymorphic function entry.
24480         * config/rs6000/r6000-c.c (altivec_overloaded_builtin_table): Add
24481         new entries for P9V_BUILTIN_VEC_RLMI and P9V_BUILTIN_VEC_RLNM.
24482         * doc/extend.texi: Add description of vec_rlmi, vec_rlnm, and
24483         vec_vrlnm.
24484
24485 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
24486
24487         PR debug/78839
24488         * dwarf2out.c (field_byte_offset): Restore the
24489         PCC_BITFIELD_TYPE_MATTERS behavior for INTEGER_CST DECL_FIELD_OFFSET
24490         and DECL_FIELD_BIT_OFFSET.  Use fold_build2 instead of build2 + fold.
24491         (analyze_variants_discr, gen_variant_part): Use fold_build2 instead
24492         of build2 + fold.
24493
24494 2017-01-17  Eric Botcazou  <ebotcazou@adacore.com>
24495
24496         PR ada/67205
24497         * config/aarch64/aarch64.c (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Define
24498
24499 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
24500
24501         PR debug/71669
24502         * dwarf2out.c (add_data_member_location_attribute): For constant
24503         offset bitfield emit for -gdwarf-5 DW_AT_data_bit_offset attribute
24504         instead of DW_AT_data_member_location, DW_AT_bit_offset and
24505         DW_AT_byte_size attributes.
24506
24507 2017-01-17  Eric Botcazou  <ebotcazou@adacore.com>
24508
24509         * config/rs6000/rs6000.c (rs6000_emit_move): Also use a TOC reference
24510         after forcing to constant memory when the code model is medium.
24511
24512 2017-01-17  Julia Koval  <julia.koval@intel.com>
24513
24514         PR target/76731
24515         * config/i386/avx512fintrin.h
24516         (_mm512_i32gather_ps): Change __addr type to void const*.
24517         (_mm512_mask_i32gather_ps): Ditto.
24518         (_mm512_i32gather_pd): Ditto.
24519         (_mm512_mask_i32gather_pd): Ditto.
24520         (_mm512_i64gather_ps): Ditto.
24521         (_mm512_mask_i64gather_ps): Ditto.
24522         (_mm512_i64gather_pd): Ditto.
24523         (_mm512_mask_i64gather_pd): Ditto.
24524         (_mm512_i32gather_epi32): Ditto.
24525         (_mm512_mask_i32gather_epi32): Ditto.
24526         (_mm512_i32gather_epi64): Ditto.
24527         (_mm512_mask_i32gather_epi64): Ditto.
24528         (_mm512_i64gather_epi32): Ditto.
24529         (_mm512_mask_i64gather_epi32): Ditto.
24530         (_mm512_i64gather_epi64): Ditto.
24531         (_mm512_mask_i64gather_epi64): Ditto.
24532         (_mm512_i32scatter_ps): Change __addr type to void*.
24533         (_mm512_mask_i32scatter_ps): Ditto.
24534         (_mm512_i32scatter_pd): Ditto.
24535         (_mm512_mask_i32scatter_pd): Ditto.
24536         (_mm512_i64scatter_ps): Ditto.
24537         (_mm512_mask_i64scatter_ps): Ditto.
24538         (_mm512_i64scatter_pd): Ditto.
24539         (_mm512_mask_i64scatter_pd): Ditto.
24540         (_mm512_i32scatter_epi32): Ditto.
24541         (_mm512_mask_i32scatter_epi32): Ditto.
24542         (_mm512_i32scatter_epi64): Ditto.
24543         (_mm512_mask_i32scatter_epi64): Ditto.
24544         (_mm512_i64scatter_epi32): Ditto.
24545         (_mm512_mask_i64scatter_epi32): Ditto.
24546         (_mm512_i64scatter_epi64): Ditto.
24547         (_mm512_mask_i64scatter_epi64): Ditto.
24548         * config/i386/avx512pfintrin.h
24549         (_mm512_mask_prefetch_i32gather_pd): Change __addr type to void const*.
24550         (_mm512_mask_prefetch_i32gather_ps): Ditto.
24551         (_mm512_mask_prefetch_i64gather_pd): Ditto.
24552         (_mm512_mask_prefetch_i64gather_ps): Ditto.
24553         (_mm512_prefetch_i32scatter_pd): Change __addr type to void*.
24554         (_mm512_prefetch_i32scatter_ps): Ditto.
24555         (_mm512_mask_prefetch_i32scatter_pd): Ditto.
24556         (_mm512_mask_prefetch_i32scatter_ps): Ditto.
24557         (_mm512_prefetch_i64scatter_pd): Ditto.
24558         (_mm512_prefetch_i64scatter_ps): Ditto.
24559         (_mm512_mask_prefetch_i64scatter_pd): Ditto.
24560         (_mm512_mask_prefetch_i64scatter_ps): Ditto.
24561         * config/i386/avx512vlintrin.h
24562         (_mm256_mmask_i32gather_ps): Change __addr type to void const*.
24563         (_mm_mmask_i32gather_ps): Ditto.
24564         (_mm256_mmask_i32gather_pd): Ditto.
24565         (_mm_mmask_i32gather_pd): Ditto.
24566         (_mm256_mmask_i64gather_ps): Ditto.
24567         (_mm_mmask_i64gather_ps): Ditto.
24568         (_mm256_mmask_i64gather_pd): Ditto.
24569         (_mm_mmask_i64gather_pd): Ditto.
24570         (_mm256_mmask_i32gather_epi32): Ditto.
24571         (_mm_mmask_i32gather_epi32): Ditto.
24572         (_mm256_mmask_i32gather_epi64): Ditto.
24573         (_mm_mmask_i32gather_epi64): Ditto.
24574         (_mm256_mmask_i64gather_epi32): Ditto.
24575         (_mm_mmask_i64gather_epi32): Ditto.
24576         (_mm256_mmask_i64gather_epi64): Ditto.
24577         (_mm_mmask_i64gather_epi64): Ditto.
24578         (_mm256_i32scatter_ps): Change __addr type to void*.
24579         (_mm256_mask_i32scatter_ps): Ditto.
24580         (_mm_i32scatter_ps): Ditto.
24581         (_mm_mask_i32scatter_ps): Ditto.
24582         (_mm256_i32scatter_pd): Ditto.
24583         (_mm256_mask_i32scatter_pd): Ditto.
24584         (_mm_i32scatter_pd): Ditto.
24585         (_mm_mask_i32scatter_pd): Ditto.
24586         (_mm256_i64scatter_ps): Ditto.
24587         (_mm256_mask_i64scatter_ps): Ditto.
24588         (_mm_i64scatter_ps): Ditto.
24589         (_mm_mask_i64scatter_ps): Ditto.
24590         (_mm256_i64scatter_pd): Ditto.
24591         (_mm256_mask_i64scatter_pd): Ditto.
24592         (_mm_i64scatter_pd): Ditto.
24593         (_mm_mask_i64scatter_pd): Ditto.
24594         (_mm256_i32scatter_epi32): Ditto.
24595         (_mm256_mask_i32scatter_epi32): Ditto.
24596         (_mm_i32scatter_epi32): Ditto.
24597         (_mm_mask_i32scatter_epi32): Ditto.
24598         (_mm256_i32scatter_epi64): Ditto.
24599         (_mm256_mask_i32scatter_epi64): Ditto.
24600         (_mm_i32scatter_epi64): Ditto.
24601         (_mm_mask_i32scatter_epi64): Ditto.
24602         (_mm256_i64scatter_epi32): Ditto.
24603         (_mm256_mask_i64scatter_epi32): Ditto.
24604         (_mm_i64scatter_epi32): Ditto.
24605         (_mm_mask_i64scatter_epi32): Ditto.
24606         (_mm256_i64scatter_epi64): Ditto.
24607         (_mm256_mask_i64scatter_epi64): Ditto.
24608         (_mm_i64scatter_epi64): Ditto.
24609         (_mm_mask_i64scatter_epi64): Ditto.
24610         * config/i386/i386-builtin-types.def (V16SF_V16SF_PCFLOAT_V16SI_HI_INT)
24611         (V8DF_V8DF_PCDOUBLE_V8SI_QI_INT, V8SF_V8SF_PCFLOAT_V8DI_QI_INT)
24612         (V8DF_V8DF_PCDOUBLE_V8DI_QI_INT, V16SI_V16SI_PCINT_V16SI_HI_INT)
24613         (V8DI_V8DI_PCINT64_V8SI_QI_INT, V8SI_V8SI_PCINT_V8DI_QI_INT)
24614         (V8DI_V8DI_PCINT64_V8DI_QI_INT, V2DF_V2DF_PCDOUBLE_V4SI_QI_INT)
24615         (V4DF_V4DF_PCDOUBLE_V4SI_QI_INT, V2DF_V2DF_PCDOUBLE_V2DI_QI_INT)
24616         (V4DF_V4DF_PCDOUBLE_V4DI_QI_INT, V4SF_V4SF_PCFLOAT_V4SI_QI_INT)
24617         (V8SF_V8SF_PCFLOAT_V8SI_QI_INT, V4SF_V4SF_PCFLOAT_V2DI_QI_INT)
24618         (V4SF_V4SF_PCFLOAT_V4DI_QI_INT, V2DI_V2DI_PCINT64_V4SI_QI_INT)
24619         (V4DI_V4DI_PCINT64_V4SI_QI_INT, V2DI_V2DI_PCINT64_V2DI_QI_INT)
24620         (V4DI_V4DI_PCINT64_V4DI_QI_INT, V4SI_V4SI_PCINT_V4SI_QI_INT)
24621         (V8SI_V8SI_PCINT_V8SI_QI_INT, V4SI_V4SI_PCINT_V2DI_QI_INT)
24622         (V4SI_V4SI_PCINT_V4DI_QI_INT, VOID_PFLOAT_HI_V16SI_V16SF_INT)
24623         (VOID_PFLOAT_QI_V8SI_V8SF_INT, VOID_PFLOAT_QI_V4SI_V4SF_INT)
24624         (VOID_PDOUBLE_QI_V8SI_V8DF_INT, VOID_PDOUBLE_QI_V4SI_V4DF_INT)
24625         (VOID_PDOUBLE_QI_V4SI_V2DF_INT, VOID_PFLOAT_QI_V8DI_V8SF_INT)
24626         (VOID_PFLOAT_QI_V4DI_V4SF_INT, VOID_PFLOAT_QI_V2DI_V4SF_INT)
24627         (VOID_PDOUBLE_QI_V8DI_V8DF_INT, VOID_PDOUBLE_QI_V4DI_V4DF_INT)
24628         (VOID_PDOUBLE_QI_V2DI_V2DF_INT, VOID_PINT_HI_V16SI_V16SI_INT)
24629         (VOID_PINT_QI_V8SI_V8SI_INT, VOID_PINT_QI_V4SI_V4SI_INT)
24630         (VOID_PLONGLONG_QI_V8SI_V8DI_INT, VOID_PLONGLONG_QI_V4SI_V4DI_INT)
24631         (VOID_PLONGLONG_QI_V4SI_V2DI_INT, VOID_PINT_QI_V8DI_V8SI_INT)
24632         (VOID_PINT_QI_V4DI_V4SI_INT, VOID_PINT_QI_V2DI_V4SI_INT)
24633         (VOID_PLONGLONG_QI_V8DI_V8DI_INT, VOID_QI_V8SI_PCINT64_INT_INT)
24634         (VOID_PLONGLONG_QI_V4DI_V4DI_INT, VOID_PLONGLONG_QI_V2DI_V2DI_INT)
24635         (VOID_HI_V16SI_PCINT_INT_INT, VOID_QI_V8DI_PCINT64_INT_INT)
24636         (VOID_QI_V8DI_PCINT_INT_INT): Remove.
24637         (V16SF_V16SF_PCVOID_V16SI_HI_INT,  V8DF_V8DF_PCVOID_V8SI_QI_INT)
24638         (V8SF_V8SF_PCVOID_V8DI_QI_INT, V8DF_V8DF_PCVOID_V8DI_QI_INT)
24639         (V16SI_V16SI_PCVOID_V16SI_HI_INT, V8DI_V8DI_PCVOID_V8SI_QI_INT)
24640         (V8SI_V8SI_PCVOID_V8DI_QI_INT, V8DI_V8DI_PCVOID_V8DI_QI_INT)
24641         (VOID_PVOID_HI_V16SI_V16SF_INT, VOID_PVOID_QI_V8SI_V8DF_INT)
24642         (VOID_PVOID_QI_V8DI_V8SF_INT, VOID_PVOID_QI_V8DI_V8DF_INT)
24643         (VOID_PVOID_HI_V16SI_V16SI_INT, VOID_PVOID_QI_V8SI_V8DI_INT)
24644         (VOID_PVOID_QI_V8DI_V8SI_INT, VOID_PVOID_QI_V8DI_V8DI_INT)
24645         (V2DF_V2DF_PCVOID_V4SI_QI_INT, V4DF_V4DF_PCVOID_V4SI_QI_INT)
24646         (V2DF_V2DF_PCVOID_V2DI_QI_INT, V4DF_V4DF_PCVOID_V4DI_QI_INT
24647         (V4SF_V4SF_PCVOID_V4SI_QI_INT, V8SF_V8SF_PCVOID_V8SI_QI_INT)
24648         (V4SF_V4SF_PCVOID_V2DI_QI_INT, V4SF_V4SF_PCVOID_V4DI_QI_INT)
24649         (V2DI_V2DI_PCVOID_V4SI_QI_INT, V4DI_V4DI_PCVOID_V4SI_QI_INT)
24650         (V2DI_V2DI_PCVOID_V2DI_QI_INT, V4DI_V4DI_PCVOID_V4DI_QI_INT)
24651         (V4SI_V4SI_PCVOID_V4SI_QI_INT, V8SI_V8SI_PCVOID_V8SI_QI_INT)
24652         (V4SI_V4SI_PCVOID_V2DI_QI_INT, V4SI_V4SI_PCVOID_V4DI_QI_INT)
24653         (VOID_PVOID_QI_V8SI_V8SF_INT, VOID_PVOID_QI_V4SI_V4SF_INT)
24654         (VOID_PVOID_QI_V4SI_V4DF_INT, VOID_PVOID_QI_V4SI_V2DF_INT)
24655         (VOID_PVOID_QI_V4DI_V4SF_INT, VOID_PVOID_QI_V2DI_V4SF_INT)
24656         (VOID_PVOID_QI_V4DI_V4DF_INT, VOID_PVOID_QI_V2DI_V2DF_INT)
24657         (VOID_PVOID_QI_V8SI_V8SI_INT, VOID_PVOID_QI_V4SI_V4SI_INT)
24658         (VOID_PVOID_QI_V4SI_V4DI_INT, VOID_PVOID_QI_V4SI_V2DI_INT)
24659         (VOID_PVOID_QI_V4DI_V4SI_INT, VOID_PVOID_QI_V2DI_V4SI_INT)
24660         (VOID_PVOID_QI_V4DI_V4DI_INT, VOID_PVOID_QI_V2DI_V2DI_INT)
24661         (VOID_QI_V8SI_PCVOID_INT_INT, VOID_HI_V16SI_PCVOID_INT_INT)
24662         (VOID_QI_V8DI_PCVOID_INT_INT): Add.
24663         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Adjust builtin
24664         definitions accordingly.
24665
24666 2017-01-17  Kito Cheng  <kito.cheng@gmail.com>
24667             Kuan-Lin Chen  <kuanlinchentw@gmail.com>
24668
24669         PR target/79079
24670         * internal-fn.c (expand_mul_overflow): Use convert_modes instead of
24671         gen_lowpart.
24672
24673 2017-01-17  Vladimir Makarov  <vmakarov@redhat.com>
24674
24675         PR target/79058
24676         * ira-conflicts.c (ira_build_conflicts): Update total conflict
24677         hard regs for inner regno.
24678
24679 2017-01-17  Martin Liska  <mliska@suse.cz>
24680
24681         PR ipa/71207
24682         * ipa-polymorphic-call.c (contains_type_p): Fix wrong
24683         assumption and add comment.
24684
24685 2017-01-17  Nathan Sidwell  <nathan@acm.org>
24686
24687         * ipa-visibility.c (localize_node): New function, broken out of ...
24688         (function_and_variable_visibility): ... here. Call it.
24689
24690 2017-01-17  Jan Hubicka  <hubicka@ucw.cz>
24691
24692         PR middle-end/77445
24693         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges):
24694         correctly set frequency of oudgoing edge.
24695         (duplicate_thread_path): Fix profile updating.
24696
24697 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
24698
24699         PR other/79046
24700         * configure.ac: Add GCC_BASE_VER.
24701         * Makefile.in (version): Use @get_gcc_base_ver@ instead of cat to get
24702         version from BASE-VER file.
24703         (CFLAGS-gcc.o): Add -DBASEVER=$(BASEVER_s).
24704         (gcc.o): Depend on $(BASEVER).
24705         * common.opt (dumpfullversion): New option.
24706         * gcc.c (driver_handle_option): Handle OPT_dumpfullversion.
24707         * doc/invoke.texi: Document -dumpfullversion.
24708         * doc/install.texi: Document --with-gcc-major-version-only.
24709         * configure: Regenerated.
24710
24711 2017-01-17  Richard Biener  <rguenther@suse.de>
24712
24713         PR tree-optimization/71433
24714         * tree-vrp.c (register_new_assert_for): Merge same asserts
24715         on all incoming edges.
24716         (process_assert_insertions_for): Handle insertions at the
24717         beginning of BBs.
24718
24719 2017-01-17  Gerald Pfeifer  <gerald@pfeifer.com>
24720
24721         * config/i386/cygwin.h (LIBGCJ_SONAME): Remove.
24722         * config/i386/mingw32.h (LIBGCJ_SONAME): Remove.
24723
24724 2017-01-17  Kaz Kojima  <kkojima@gcc.gnu.org>
24725
24726         PR target/78633
24727         * config/sh/sh.md (cmpeqsi_t+1): Call copy_rtx to avoid invalid
24728         RTL sharing.
24729
24730 2017-01-17  Alan Modra  <amodra@gmail.com>
24731
24732         PR target/79066
24733         * config/rs6000/rs6000.md (elf_high, elf_low): Disable when pic.
24734         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Don't allow
24735         symbolic stack limit when pic.
24736
24737 2017-01-16  Martin Sebor  <msebor@redhat.com>
24738
24739         PR tree-optimization/78608
24740         * gimple-ssa-sprintf.c (tree_digits): Avoid negating TYPE_MIN.
24741
24742 2017-01-16  Jeff Law  <law@redhat.com>
24743
24744         Revert:
24745         2016-12-02  Tadek Kijkowski  <tkijkowski@gmail.com>
24746         * Makefile.in (PREPROCESSOR_DEFINES): Add a level of indirection
24747         for several include directories that may be relative to sysroot.
24748         * config/i386/x-mingw32 (gplus_includedir): Define.
24749         (gplus_tool_includedir, gplus_backward_include_dir): Likewise.
24750         (native_system_includedir): Likewise.
24751         * config/i386/mingw32.h (STANDARD_STARTFILE_PREFIX_1): Do not
24752         override if TARGET_SYSTEM_ROOT is defined.
24753         (NATIVE_SYSTEM_HEADER_DIR): Likewise.
24754
24755         PR tree-optimization/79090
24756         PR tree-optimization/33562
24757         PR tree-optimization/61912
24758         PR tree-optimization/77485
24759         * tree-ssa-dse.c (compute_trims): Accept STMT argument.  Dump STMT
24760         and computed trims into the dump file.
24761
24762 2017-01-17  Uros Bizjak  <ubizjak@gmail.com>
24763
24764         * config/i386/i386.h (LIMIT_RELOAD_CLASS): Remove.
24765
24766 2017-01-16  Jakub Jelinek  <jakub@redhat.com>
24767
24768         PR c/79089
24769         * gimplify.c (gimplify_init_constructor): If want_value and
24770         object == lhs, unshare lhs to avoid invalid tree sharing.  Formatting
24771         fix.
24772
24773         PR target/79080
24774         * loop-doloop.c (doloop_modify): Call unshare_all_rtl_in_chain on
24775         sequence.  Formatting fixes.
24776         (doloop_optimize): Formatting fixes.
24777
24778         PR driver/49726
24779         * gcc.c (debug_level_greater_than_spec_func): New function.
24780         (static_spec_functions): Add debug-level-gt spec function.
24781         (ASM_DEBUG_SPEC, cpp_options): Use %:debug-level-gt(0) instead of
24782         !g0.
24783         * config/darwin.h (DSYMUTIL_SPEC, ASM_DEBUG_SPEC): Likewise.
24784         * config/darwin9.h (DSYMUTIL_SPEC, ASM_DEBUG_SPEC): Likewise.
24785         * common.opt (g, gcoff, gdwarf, gdwarf-, ggdb, gno-pubnames,
24786         gpubnames, ggnu-pubnames, gno-record-gcc-switches,
24787         grecord-gcc-switches, gno-strict-dwarf, gstrict-dwarf, gstabs,
24788         gstabs+, gtoggle, gvms, gxcoff, gxcoff+): Add Driver flag.
24789
24790 2017-01-16  Uros Bizjak  <ubizjak@gmail.com>
24791
24792         * config/i386/i386.h (HARD_REGNO_CALLER_SAVE_MODE): Apply HImode and
24793         QImode fixups to general and mask registers only.
24794
24795 2017-01-16  Carl Love  <cel@us.ibm.com>
24796
24797         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Add support
24798         for built-in functions
24799         vector signed char vec_nabs (vector signed char)
24800         vector signed short vec_nabs (vector signed short)
24801         vector signed int vec_nabs (vector signed int)
24802         vector signed long long vec_nabs (vector signed long long)
24803         vector float vec_nabs (vector float)
24804         vector double vec_nabs (vector double)
24805         * config/rs6000/rs6000-builtin.def: Add definitions for NABS functions
24806         and NABS overload.
24807         * config/rs6000/altivec.md: New define_expand nabs<mode>2 types
24808         * config/rs6000/altivec.h: New define for vec_nabs built-in function.
24809         * doc/extend.texi: Update the documentation file for the new built-in
24810         functions.
24811
24812 2017-01-16  Martin Sebor  <msebor@redhat.com>
24813
24814         * gimple-ssa-sprintf.c (format_directive): Correct a typo in a warning
24815         message.
24816
24817 2017-01-16  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
24818
24819         * config/rs6000/rs6000.c (rtx_is_swappable_p): Change
24820         UNSPEC_VSX__XXSPLTD to require special splat handling.
24821
24822 2017-01-16  David Malcolm  <dmalcolm@redhat.com>
24823
24824         PR bootstrap/78616
24825         * system.h: Poison strndup.
24826
24827 2017-01-16  Alan Modra  <amodra@gmail.com>
24828
24829         PR target/79098
24830         * config/rs6000/rs6000.c (rs6000_legitimate_combined_insn): Don't
24831         use a switch.
24832
24833 2017-01-16  Georg-Johann Lay  <avr@gjlay.de>
24834
24835         * config/avr/avr.h (BRANCH_COST) [reload_completed]: Increase by 4.
24836
24837 2017-01-15  Uros Bizjak  <ubizjak@gmail.com>
24838
24839         * config/i386/i386.c (ix86_legitimate_combined_insn): Do not
24840         call recog here.  Assert that INSN_CODE (insn) is non-negative.
24841
24842 2017-01-15  Segher Boessenkool  <segher@kernel.crashing.org>
24843
24844         PR target/72749
24845         * cfgrtl.c (rtl_split_edge): Also patch jump insns that jump to the
24846         fallthrough.
24847         * haifa-sched.c (dump_insn_stream): Don't crash if there is a label
24848         in the currently scheduled RTL fragment.
24849
24850 2017-01-15  Segher Boessenkool  <segher@kernel.crashing.org>
24851
24852         PR rtl-optimization/78751
24853         * ifcvt.c (find_cond_trap): If we generated a non-existing insn,
24854         give up.
24855
24856 2017-01-14  Jeff Law  <law@redhat.com>
24857
24858         PR tree-optimization/79090
24859         * tree-ssa-dse.c (valid_ao_ref_for_dse): Reject zero length and
24860         variable length stores.
24861         (compute_trims): Delete dead assignment to *trim_tail.
24862         (dse_dom_walker::dse_optimize_stmt): Optimize mem* calls with
24863         zero length.
24864
24865 2017-01-14  Bernd Schmidt  <bschmidt@redhat.com>
24866
24867         PR rtl-optimization/78626
24868         PR rtl-optimization/78727
24869         * cprop.c (one_cprop_pass): Collect unconditional traps in the middle
24870         of a block, and split such blocks after everything else is finished.
24871
24872 2017-01-14  Alan Modra  <amodra@gmail.com>
24873
24874         PR target/72749
24875         * combine.c (recog_for_combine_1): Set INSN_CODE before calling
24876         target legitimate_combined_insn.
24877         * config/rs6000/rs6000.c (TARGET_LEGITIMATE_COMBINED_INSN): Define.
24878         (rs6000_legitimate_combined_insn): New function.
24879         * config/rs6000/rs6000.md (UNSPEC_DOLOOP): Delete, and remove
24880         all uses.
24881         (ctr<mode>_internal3): Rename from *ctr<mode>_internal5.
24882         (ctr<mode>_internal4): Rename from *ctr<mode>_internal6.
24883         (ctr<mode>_internal1, ctr<mode>_internal2): Remove '*' from name.
24884
24885 2017-01-14  Gerald Pfeifer  <gerald@pfeifer.com>
24886
24887         * doc/frontends.texi (G++ and GCC): Remove references to Java.
24888
24889 2017-01-13  Jeff Law  <law@redhat.com>
24890
24891         PR tree-optimization/33562
24892         PR tree-optimization/61912
24893         PR tree-optimization/77485
24894         * tree-ssa-dse.c (delete_dead_call): Accept gsi rather than
24895         a statement.
24896         (delete_dead_assignment): Likewise.
24897         (dse_dom_walker::dse_optimize_stmt): Pass in the gsi rather than
24898         statement to delete_dead_call and delete_dead_assignment.
24899
24900 2017-01-13  David Malcolm  <dmalcolm@redhat.com>
24901
24902         PR c/78304
24903         * substring-locations.c (format_warning_va): Strengthen case 1 so
24904         that both endpoints of the substring must be within the format
24905         range for just the substring to be printed.
24906
24907 2017-01-13  Uros Bizjak  <ubizjak@gmail.com>
24908
24909         * config/i386/i386.opt (msgx): Use ix86_isa_flags2 variable.
24910         * config/i386/i386.c (ix86_target_string): Add missing options
24911         to isa_opts and reorder options by implied ISAs.  Rename isa_opts2 to
24912         isa2_opts, ix86_flag_opts to flag2_opts, ix86_target_other to
24913         flags_other and ix86_target_other to flags2_other.  Display unknown
24914         isa2 options.
24915         (ix86_valid_target_attribute_inner_p): Add missing options and
24916         reorder options by implied ISAs, as in ix86_target_string.
24917
24918 2017-01-13  Richard Sandiford  <richard.sandiford@arm.com>
24919
24920         * hash-table.h (hash_table::too_empty_p): New function.
24921         (hash_table::expand): Use it.
24922         (hash_table::traverse): Likewise.
24923         (hash_table::empty_slot): Use sizeof (value_type) instead of
24924         sizeof (PTR) to convert bytes to elements.  Shrink the table
24925         if the current size is excessive for the current number of
24926         elements.
24927
24928 2017-01-13  Richard Sandiford  <richard.sandiford@arm.com>
24929
24930         * ira-costs.c (record_reg_classes): Break from the inner loop
24931         early once alt_fail is known to be true.  Update outer loop
24932         handling accordingly.
24933
24934 2017-01-13  Jeff Law  <law@redhat.com>
24935
24936         * tree-ssa-dse.c (decrement_count): New function.
24937         (increment_start_addr, maybe_trim_memstar_call): Likewise.
24938         (dse_dom_walker::optimize_stmt): Call maybe_trim_memstar_call directly
24939         when we know the partially dead statement is a mem* function.
24940
24941         PR tree-optimization/61912
24942         PR tree-optimization/77485
24943         * tree-ssa-dse.c: Include expr.h.
24944         (maybe_trim_constructor_store): New function.
24945         (maybe_trim_partially_dead_store): Call maybe_trim_constructor_store.
24946
24947         PR tree-optimization/33562
24948         PR tree-optimization/61912
24949         PR tree-optimization/77485
24950         * doc/invoke.texi: Document new dse-max-object-size param.
24951         * params.def (PARM_DSE_MAX_OBJECT_SIZE): New PARAM.
24952         * tree-ssa-dse.c: Include params.h.
24953         (dse_store_status): New enum.
24954         (initialize_ao_ref_for_dse): New, partially extracted from
24955         dse_optimize_stmt.
24956         (valid_ao_ref_for_dse, normalize_ref): New.
24957         (setup_live_bytes_from_ref, compute_trims): Likewise.
24958         (clear_bytes_written_by, maybe_trim_complex_store): Likewise.
24959         (maybe_trim_partially_dead_store): Likewise.
24960         (maybe_trim_complex_store): Likewise.
24961         (dse_classify_store): Renamed from dse_possibly_dead_store_p.
24962         Track what bytes live from the original store.  Return tri-state
24963         for dead, partially dead or live.
24964         (dse_dom_walker): Add constructor, destructor and new private members.
24965         (delete_dead_call, delete_dead_assignment): New extracted from
24966         dse_optimize_stmt.
24967         (dse_optimize_stmt): Make a member of dse_dom_walker.
24968         Use initialize_ao_ref_for_dse.
24969
24970         PR tree-optimization/33562
24971         PR tree-optimization/61912
24972         PR tree-optimization/77485
24973         * sbitmap.h (bitmap_count_bits): Prototype.
24974         (bitmap_clear_range, bitmap_set_range): Likewise.
24975         * sbitmap.c (bitmap_clear_range): New function.
24976         (bitmap_set_range, sbitmap_popcount, bitmap_count_bits): Likewise.
24977
24978 2017-01-13  Martin Liska  <mliska@suse.cz>
24979
24980         PR ipa/79043
24981         * function.c (set_cfun): Add new argument force.
24982         * function.h (set_cfun): Likewise.
24983         * ipa-inline-transform.c (inline_call): Use the function when
24984         strict alising from is dropped for function we inline to.
24985
24986 2017-01-13  Richard Biener  <rguenther@suse.de>
24987
24988         * tree-pretty-print.c (dump_generic_node): Fix inverted condition
24989         for dumping GIMPLE INTEGER_CSTs.
24990
24991 2017-01-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
24992
24993         * config/sol2.h (TARGET_OS_CPP_BUILTINS): Define __STDC_VERSION__
24994         to 201112L since C++17.
24995
24996 2017-01-13  Maxim Ostapenko  <m.ostapenko@samsung.com>
24997
24998         PR sanitizer/78887
24999         * asan.c (asan_needs_odr_indicator_p): Don't emit ODR indicators
25000         if -fsanitize=kernel-address is present.
25001
25002 2017-01-13  Richard Biener  <rguenther@suse.de>
25003
25004         * tree-pretty-print.c (dump_generic_node): Dump INTEGER_CSTs
25005         as _Literal ( type ) number in case usual suffixes do not
25006         preserve all information.
25007
25008 2017-01-13  Richard Biener  <rguenther@suse.de>
25009
25010         PR tree-optimization/77283
25011         * gimple-ssa-split-paths.c: Include gimple-ssa.h, tree-phinodes.h
25012         and ssa-iterators.h.
25013         (is_feasible_trace): Implement a cost model based on joiner
25014         PHI node uses.
25015
25016 2017-01-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
25017
25018         PR target/79004
25019         * config/rs6000/rs6000.md (FP_ISA3): Do not optimize converting
25020         char or short to __float128/_Float128 directly.
25021
25022 2017-01-12  Martin Sebor  <msebor@redhat.com>
25023
25024         to -Wformat-overflow.
25025         * gimple-ssa-sprintf.c (pass_sprintf_length::gate): Adjust.
25026         (min_bytes_remaining): Same.
25027         (get_string_length): Same.
25028         (format_string): Same.
25029         (format_directive): Same.
25030         (add_bytes): Same.
25031         (pass_sprintf_length::handle_gimple_call): Same.
25032
25033 2017-01-12  Jakub Jelinek  <jakub@redhat.com>
25034
25035         * gimple-ssa-sprintf.c (try_substitute_return_value): Remove
25036         info.nowrite calls with no lhs that can't throw.  Return bool
25037         whether gsi_remove has been called or not.
25038         (pass_sprintf_length::handle_gimple_call): Return bool whether
25039         try_substitute_return_value called gsi_remove.  Formatting fix.
25040         (pass_sprintf_length::execute): Don't use gsi_remove if
25041         handle_gimple_call returned true.
25042
25043         PR bootstrap/79069
25044         * cfgrtl.c (rtl_tidy_fallthru_edge): For any_uncondjump_p that can't
25045         be removed due to side-effects, don't remove following barrier nor
25046         turn the successor edge into fallthru edge.
25047
25048 2017-01-12  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
25049
25050         PR target/79044
25051         * config/rs6000/rs6000.c (insn_is_swappable_p): Mark
25052         element-reversing loads and stores as not swappable.
25053
25054 2017-01-12  Nathan Sidwell  <nathan@acm.org>
25055             Nicolai Stange  <nicstange@gmail.com>
25056
25057         * combine.c (try_combine): Don't ignore result of overlap checking
25058         loop.  Combine overlap & asm check into single loop.
25059
25060 2017-01-12  Richard Biener  <rguenther@suse.de>
25061
25062         * tree-pretty-print.c (dump_generic_node): Provide -gimple
25063         variant for MEM_REF.  Sanitize INTEGER_CST for -gimple.
25064
25065 2017-01-12  Richard Biener  <rguenther@suse.de>
25066
25067         * tree.c (initialize_tree_contains_struct): Make TS_OPTIMIZATION
25068         and TS_TARGET_OPTION directly derive from TS_BASE.
25069         * tree-core.h (tree_optimization_option): Derive from tree_base.
25070         (tree_target_option): Likewise.
25071
25072 2017-01-11  Uros Bizjak  <ubizjak@gmail.com>
25073
25074         * config/i386/i386.c (memory_address_length): Increase len
25075         only when rip_relative_addr_p returns false.
25076
25077 2017-01-11  Julia Koval  <julia.koval@intel.com>
25078
25079         * common/config/i386/i386-common.c (OPTION_MASK_ISA_SGX_UNSET): New.
25080         (OPTION_MASK_ISA_SGX_SET): New.
25081         (ix86_handle_option): Handle OPT_msgx.
25082         * config.gcc: Added sgxintrin.h.
25083         * config/i386/driver-i386.c (host_detect_local_cpu): Detect sgx.
25084         * config/i386/i386-c.c (ix86_target_macros_internal): Define __SGX__.
25085         * config/i386/i386.c (ix86_target_string): Add -msgx.
25086         (PTA_SGX): New.
25087         (ix86_option_override_internal): Handle new options.
25088         (ix86_valid_target_attribute_inner_p): Add sgx.
25089         * config/i386/i386.h (TARGET_SGX, TARGET_SGX_P): New.
25090         * config/i386/i386.opt: Add msgx.
25091         * config/i386/sgxintrin.h: New file.
25092         * config/i386/x86intrin.h: Add sgxintrin.h.
25093
25094 2017-01-11  Jakub Jelinek  <jakub@redhat.com>
25095
25096         PR c++/71537
25097         * fold-const.c (maybe_nonzero_address): Return 1 for function
25098         local objects.
25099         (tree_single_nonzero_warnv_p): Don't handle function local objects
25100         here.
25101
25102         PR c++/72813
25103         * gcc.c (default_compilers): Don't add -o %g.s for -S -save-temps
25104         of c-header.
25105
25106 2017-01-11  David Malcolm  <dmalcolm@redhat.com>
25107
25108         PR driver/78877
25109         * opts.c: Include "spellcheck.h"
25110         (struct string_fragment): New struct.
25111         (struct edit_distance_traits<const string_fragment &>): New
25112         struct.
25113         (get_closest_sanitizer_option): New function.
25114         (parse_sanitizer_options): Offer suggestions for unrecognized arguments.
25115
25116 2017-01-11  Jakub Jelinek  <jakub@redhat.com>
25117
25118         * dwarf2out.c (DWARF_COMPILE_UNIT_HEADER_SIZE): For DWARF5 decrease
25119         by 12.
25120         (DWARF_COMDAT_TYPE_UNIT_HEADER_SIZE): Always
25121         DWARF_COMPILE_UNIT_HEADER_SIZE plus 12.
25122         (DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE): Define.
25123         (calc_base_type_die_sizes): Use DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE
25124         for initial die_offset if dwarf_split_debug_info.
25125         (output_comp_unit): Use DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE for
25126         initial next_die_offset if dwo_id is non-NULL.  Don't emit padding
25127         fields.
25128         (output_skeleton_debug_sections): Formatting fix.  Use
25129         DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE instead of
25130         DWARF_COMPILE_UNIT_HEADER_SIZE.  Don't emit padding.
25131
25132 2017-01-11  Wilco Dijkstra  <wdijkstr@arm.com>
25133
25134         * config/arm/cortex-a53.md: Add bypasses for
25135         cortex_a53_r2f_cvt.
25136         (cortex_a53_r2f): Only use for transfers.
25137         (cortex_a53_f2r): Likewise.
25138         (cortex_a53_r2f_cvt): Add reservation for conversions.
25139         (cortex_a53_f2r_cvt): Likewise.
25140
25141 2017-01-11  Tamar Christina  <tamar.christina@arm.com>
25142
25143         * config/arm/arm_neon.h: Add __artificial__ and gnu_inline
25144         to all inlined functions, change static to extern.
25145
25146 2017-01-11  Christophe Lyon  <christophe.lyon@linaro.org>
25147
25148         PR target/78253
25149         * config/arm/arm.c (legitimize_pic_address): Handle reference to
25150         weak symbol.
25151         (arm_assemble_integer): Likewise.
25152
25153 2017-01-11  Richard Earnshaw  <rearnsha@arm.com>
25154
25155         * config.gcc: Use new awk script to check CPU, FPU and architecture
25156         parameters for --with-... options.
25157         * config/arm/parsecpu.awk: New file
25158         * config/arm/arm-cpus.in: New file.
25159         * config/arm/arm-opts.h: Include arm-cpu.h instead of processing .def
25160         files.
25161         * config/arm/arm.c: Include arm-cpu-data.h instead of processing .def
25162         files.
25163         * config/arm/t-arm: Update dependency rules.
25164         * common/config/arm/arm-common.c: Include arm-cpu-cdata.h instead
25165         of processing .def files.
25166         * config/arm/genopt.sh: Deleted.
25167         * config/arm/gentune.sh: Deleted.
25168         * config/arm/arm-cores.def: Deleted.
25169         * config/arm/arm-arches.def: Deleted.
25170         * config/arm/arm-fpus.def: Deleted.
25171         * config/arm/arm-tune.md: Regenerated.
25172         * config/arm/arm-tables.opt: Regenerated.
25173         * config/arm/arm-cpu.h: New generated file.
25174         * config/arm/arm-cpu-data.h: New generated file.
25175         * config/arm/arm-cpu-cdata.h: New generated file.
25176
25177 2017-01-11  Maxim Ostapenko  <m.ostapenko@samsung.com>
25178
25179         PR lto/79042
25180         * lto-cgraph.c (lto_output_varpool_node): Pack dynamically_initialized
25181         bit.
25182         (input_varpool_node): Unpack dynamically_initialized bit.
25183
25184 2017-01-11  Eric Botcazou  <ebotcazou@adacore.com>
25185
25186         PR rtl-optimization/79032
25187         * lra-constraints.c (simplify_operand_subreg): In the MEM case, test
25188         the alignment of the adjusted memory reference against that of MODE,
25189         instead of the alignment of the original memory reference.
25190
25191 2017-01-11  Martin Jambor  <mjambor@suse.cz>
25192
25193         * hsa.c (hsa_callable_function_p): Revert addition of DECL_ARTIFICIAL
25194         test.
25195         * ipa-hsa.c (process_hsa_functions): Only duplicate non-artificial
25196         decorated functions.
25197
25198 2017-01-11  Richard Biener  <rguenther@suse.de>
25199
25200         * tree-vrp.c (evrp_dom_walker::before_dom_children): Also
25201         set range/nonnull info for PHI results.  Do not set it on
25202         stmts marked for removal.
25203
25204 2017-01-10  Eric Botcazou  <ebotcazou@adacore.com>
25205
25206         * expr.c (store_field): In the bitfield case, fetch the return value
25207         from the registers before applying a single big-endian adjustment.
25208         Always do a final load for a BLKmode value not larger than a word.
25209
25210 2017-01-10  David Malcolm  <dmalcolm@redhat.com>
25211
25212         PR c++/77949
25213         * input.c (selftest::test_accessing_ordinary_linemaps): Verify
25214         that we correctly handle column numbers greater than
25215         LINE_MAP_MAX_COLUMN_NUMBER.
25216
25217 2017-01-10  Martin Sebor  <msebor@redhat.com>
25218
25219         PR middle-end/78245
25220         * gimple-ssa-sprintf.c (get_destination_size): Call
25221         {init,fini}object_sizes.
25222         * tree-object-size.c (addr_object_size): Adjust.
25223         (pass_through_call): Adjust.
25224         (pass_object_sizes::execute): Adjust.
25225         * tree-object-size.h (fini_object_sizes): Declare.
25226
25227 2017-01-10  Martin Sebor  <msebor@redhat.com>
25228
25229         PR tree-optimization/78775
25230         * builtins.c (get_size_range): Move...
25231         * calls.c: ...to here.
25232         (alloc_max_size): Accept zero argument.
25233         (operand_signed_p): Remove.
25234         (maybe_warn_alloc_args_overflow): Call get_size_range.
25235         * calls.h (get_size_range): Declare.
25236
25237 2017-01-10  Joe Seymour  <joe.s@somniumtech.com>
25238
25239         * config/msp430/driver-msp430.c (msp430_mcu_data): Sync with data
25240         from TI's devices.csv file as of September 2016.
25241         * config/msp430/msp430.c (msp430_mcu_data): Likewise.
25242
25243 2017-01-10  Sandra Loosemore  <sandra@codesourcery.com>
25244
25245         * doc/extend.texi: Tweak formatting to fix overfull hbox warnings.
25246         * doc/invoke.texi: Likewise.
25247         * doc/md.texi: Likewise.
25248         * doc/objc.texi: Likewise.
25249
25250 2017-01-10  Joshua Conner  <joshconner@google.com>
25251
25252         * config/arm/fuchsia-elf.h: New file.
25253         * config/fuchsia.h: New file.
25254         * config.gcc (*-*-fuchsia*): Set native_system_header_dir.
25255         (aarch64*-*-fuchsia*, arm*-*-fuchsia*, x86_64-*-fuchsia*): Add to
25256         targets.
25257         * config.host: (aarch64*-*-fuchsia*, arm*-*-fuchsia*): Add to hosts.
25258
25259 2016-01-10  Richard Biener  <rguenther@suse.de>
25260
25261         PR tree-optimization/79034
25262         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
25263         Propagate out degenerate PHIs in the joiner.
25264
25265 2017-01-10  Martin Liska  <mliska@suse.cz>
25266
25267         * ipa-icf.c (sort_sem_items_by_decl_uid): New function.
25268         (sort_congruence_classes_by_decl_uid): Likewise.
25269         (sort_congruence_class_groups_by_decl_uid): Likewise.
25270         (sem_item_optimizer::merge_classes): Sort class, groups in these
25271         classes and members in the groups by DECL_UID of declarations.
25272         This would make merge operations stable.
25273
25274 2017-01-10  Martin Liska  <mliska@suse.cz>
25275
25276         * ipa-icf.c (sem_item_optimizer::sem_item_optimizer): Remove
25277         usage of m_classes_vec.
25278         (sem_item_optimizer::~sem_item_optimizer):  Likewise.
25279         (sem_item_optimizer::get_group_by_hash): Likewise.
25280         (sem_item_optimizer::subdivide_classes_by_equality): Likewise.
25281         (sem_item_optimizer::subdivide_classes_by_sensitive_refs): Likewise.
25282         (sem_item_optimizer::verify_classes): Likewise.
25283         (sem_item_optimizer::process_cong_reduction): Likewise.
25284         (sem_item_optimizer::dump_cong_classes): Likewise.
25285         (sem_item_optimizer::merge_classes): Likewise.
25286         * ipa-icf.h (congruence_class_hash): Rename from
25287         congruence_class_group_hash.  Remove declaration of m_classes_vec.
25288
25289 2017-01-10  Andrew Senkevich  <andrew.senkevich@intel.com>
25290
25291         * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512VPOPCNTDQ_SET,
25292         OPTION_MASK_ISA_AVX512VPOPCNTDQ_UNSET): New.
25293         * config.gcc: Add avx512vpopcntdqintrin.h.
25294         * config/i386/avx512vpopcntdqintrin.h: New.
25295         * config/i386/cpuid.h (bit_AVX512VPOPCNTDQ): New.
25296         * config/i386/i386-builtin-types.def: Add new types.
25297         * config/i386/i386-builtin.def (__builtin_ia32_vpopcountd_v16si,
25298         __builtin_ia32_vpopcountd_v16si_mask, __builtin_ia32_vpopcountq_v8di,
25299         __builtin_ia32_vpopcountq_v8di_mask): New.
25300         * config/i386/i386-c.c (ix86_target_macros_internal): Define
25301         __AVX512VPOPCNTDQ__.
25302         * config/i386/i386.c (ix86_target_string): Add -mavx512vpopcntdq.
25303         (PTA_AVX512VPOPCNTDQ): Define.
25304         * config/i386/i386.h (TARGET_AVX512VPOPCNTDQ,
25305         TARGET_AVX512VPOPCNTDQ_P): Define.
25306         * config/i386/i386.opt: Add mavx512vpopcntdq.
25307         * config/i386/immintrin.h: Include avx512vpopcntdqintrin.h.
25308         * config/i386/sse.md (define_insn "vpopcount<mode><mask_name>"): New.
25309
25310 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
25311
25312         PR middle-end/77484
25313         * predict.def (PRED_CALL): Set to 67.
25314
25315 2017-01-09  Eric Botcazou  <ebotcazou@adacore.com>
25316
25317         * expr.c (store_field): In the bitfield case, if the value comes from
25318         a function call and is of an aggregate type returned in registers, do
25319         not modify the field mode; extract the value in all cases if the mode
25320         is BLKmode and the size is not larger than a word.
25321
25322 2017-01-09  Dominique d'Humieres  <dominiq@lps.ens.fr>
25323
25324         PR target/71017
25325         * config/i386/cpuid.h: Fix undefined behavior.
25326
25327 2017-01-04  Jeff Law  <law@redhat.com>
25328
25329         PR tree-optimization/79007
25330         PR tree-optimization/67955
25331         * tree-ssa-alias.c (same_addr_size_stores_p): Only need to be
25332         conservative for pt.null when flag_non_call_exceptions is on.
25333
25334 2017-01-09  Jakub Jelinek  <jakub@redhat.com>
25335
25336         PR translation/79019
25337         PR translation/79020
25338         * params.def (PARAM_INLINE_MIN_SPEEDUP,
25339         PARAM_IPA_CP_SINGLE_CALL_PENALTY,
25340         PARAM_USE_AFTER_SCOPE_DIRECT_EMISSION_THRESHOLD): Fix typos
25341         in descriptions.
25342         * config/avr/avr.opt (maccumulate-args): Likewise.
25343         * config/msp430/msp430.opt (mwarn-mcu): Likewise.
25344         * common.opt (freport-bug): Likewise.
25345         * cif-code.def (CIF_FINAL_ERROR): Likewise.
25346         * doc/invoke.texi (ipa-cp-single-call-penalty): Likewise.
25347         * config/s390/s390.c (s390_invalid_binary_op): Fix spelling in
25348         translatable string.
25349         * config/i386/i386.c (function_value_32): Likewise.
25350         * config/nios2/nios2.c (nios2_valid_target_attribute_rec): Likewise.
25351         * config/msp430/msp430.c (msp430_option_override, msp430_attr):
25352         Likewise.
25353         * config/msp430/driver-msp430.c (msp430_select_hwmult_lib): Likewise.
25354         * common/config/msp430/msp430-common.c (msp430_handle_option):
25355         Likewise.
25356         * symtab.c (symtab_node::verify_base): Likewise.
25357         * opts.c (set_debug_level): Likewise.
25358         * tree.c (verify_type_variant): Likewise.  Fix typo in comment.
25359         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
25360         missing whitespace to translatable strings.
25361         * config/avr/avr.md (bswapsi2): Fix typo in comment.
25362         * config/sh/superh.h: Likewise.
25363         * config/i386/xopintrin.h: Likewise.
25364         * config/i386/znver1.md: Likewise.
25365         * config/rs6000/rs6000.c (struct rs6000_opt_mask): Likewise.
25366         * ipa-inline-analysis.c (compute_inline_parameters): Likewise.
25367         * double-int.h (struct double_int): Likewise.
25368         * double-int.c (div_and_round_double): Likewise.
25369         * wide-int.cc: Likewise.
25370         * tree-ssa.c (non_rewritable_mem_ref_base): Likewise.
25371         * tree-ssa-sccvn.c (vn_reference_lookup_3): Likewise.
25372         * cfgcleanup.c (crossjumps_occured): Renamed to ...
25373         (crossjumps_occurred): ... this.
25374         (try_crossjump_bb, try_head_merge_bb, try_optimize_cfg, cleanup_cfg):
25375         Adjust all uses.
25376
25377         PR tree-optimization/78899
25378         * tree-if-conv.c (version_loop_for_if_conversion): Instead of
25379         returning bool return struct loop *, NULL for failure and the new
25380         loop on success.
25381         (versionable_outer_loop_p): Don't version outer loop if it has
25382         dont_vectorized bit set.
25383         (tree_if_conversion): When versioning outer loop, ensure
25384         tree_if_conversion is performed also on the inner loop of the
25385         non-vectorizable outer loop copy.
25386         * tree-vectorizer.c (set_uid_loop_bbs): Formatting fix.  Fold
25387         LOOP_VECTORIZED in inner loop of the scalar outer loop and
25388         prevent vectorization of it.
25389         (vectorize_loops): For outer + inner LOOP_VECTORIZED, ensure
25390         the outer loop vectorization of the non-scalar version is attempted
25391         before vectorization of the inner loop in scalar version.  If
25392         outer LOOP_VECTORIZED guarded loop is not vectorized, prevent
25393         vectorization of its inner loop.
25394         * tree-vect-loop-manip.c (rename_variables_in_bb): If outer_loop
25395         has 2 inner loops, rename also on edges from bb whose single pred
25396         is outer_loop->header.  Fix typo in function comment.
25397
25398 2017-01-09  Martin Sebor  <msebor@redhat.com>
25399
25400         PR bootstrap/79033
25401         * asan.c (asan_emit_stack_protection): Increase local buffer size
25402         to avoid snprintf truncation warning.
25403
25404 2017-01-09  Andrew Pinski  <apinski@cavium.com>
25405
25406         * config/aarch64/aarch64-cores.def: Add thunderx2t99.  Change vulcan
25407         to reference thunderx2t99 for the tuning structure
25408         * config/aarch64/aarch64-cost-tables.h (vulcan_extra_costs):
25409         Rename to ...
25410         (thunderx2t99_extra_costs): This.
25411         * config/aarch64/aarch64-tune.md: Regenerate.
25412         * config/aarch64/aarch64.c (vulcan_addrcost_table): Rename to ...
25413         (vulcan_addrcost_table): This.
25414         (vulcan_regmove_cost): Rename to ...
25415         (thunderx2t99_regmove_cost): This.
25416         (vulcan_vector_cost): Rename to ...
25417         (thunderx2t99_vector_cost): this.
25418         (vulcan_branch_cost): Rename to ...
25419         (thunderx2t99_branch_cost): This.
25420         (vulcan_tunings): Rename to ...
25421         (thunderx2t99_tunings): This and s/vulcan/thunderx2t99 .
25422         * doc/invoke.texi (AARCH64/mtune): Add thunderx2t99.
25423
25424 2017-01-09  Martin Jambor  <mjambor@suse.cz>
25425
25426         PR ipa/78365
25427         PR ipa/78599
25428         * ipa-prop.h (ipa_jump_func): Swap positions of vr_known and m_vr.
25429         * ipa-cp.c (ipa_vr_operation_and_type_effects): New function.
25430         (propagate_vr_accross_jump_function): Use the above function for all
25431         value range computations for pass-through jump functions and type
25432         converasion from explicit value range values.
25433         (ipcp_propagate_stage): Do not attempt to deduce types of formal
25434         parameters from TYPE_ARG_TYPES.
25435         * ipa-prop.c (ipa_write_jump_function): Remove trailing whitespace.
25436         (ipa_write_node_info): Stream type of the actual argument.
25437         (ipa_read_node_info): Likewise. Also remove trailing whitespace.
25438
25439 2017-01-09  Martin Liska  <mliska@suse.cz>
25440
25441         PR pch/78970
25442         * gcc.c (driver_handle_option): Handle OPT_E and set have_E.
25443         (lookup_compiler): Do not show error message with have_E.
25444
25445 2017-01-09  Jakub Jelinek  <jakub@redhat.com>
25446
25447         PR tree-optimization/78938
25448         * tree-vect-stmts.c (vectorizable_condition): For non-masked COND_EXPR
25449         where comp_vectype is VECTOR_BOOLEAN_TYPE_P, use
25450         BIT_{NOT,XOR,AND,IOR}_EXPR on the comparison operands instead of
25451         {EQ,NE,GE,GT,LE,LT}_EXPR directly inside of VEC_COND_EXPR.  Formatting
25452         fixes.
25453
25454 2017-01-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
25455
25456         * tree-ssa-address.c (gen_addr_rtx): Don't handle index if it
25457         is const0_rtx.
25458
25459 2017-01-09  Richard Biener  <rguenther@suse.de>
25460
25461         PR tree-optimization/78997
25462         * tree-vect-slp.c (vect_mask_constant_operand_p): Handle SSA
25463         name condition properly.
25464
25465 2017-01-09  Richard Biener  <rguenther@suse.de>
25466
25467         PR debug/79000
25468         * dwarf2out.c (is_cxx): New overload with context.
25469         (is_naming_typedef_decl): Use it.
25470
25471 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
25472
25473         * invoke.texi (Option Summary): Correct spacing in option lists
25474         and add line breaks to fix over-long lines.
25475
25476 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
25477
25478         PR middle-end/17660
25479
25480         * extend.texi (Common Variable Attributes): Add xref to GCC
25481         Internals manual to explain mode attribute keywords.
25482
25483 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
25484
25485         PR other/16519
25486         * doc/invoke.texi (Option Summary): Move -pthread to Linker Options
25487         and Preprocessor Options.
25488         (Options for Linking): Document -pthread here....
25489         (RS/6000 and PowerPC Options): ...not here.
25490         (Solaris 2 Options): ...or here.
25491         * doc/cppopts.texi: Document -pthread.
25492
25493 2017-01-08  Martin Sebor  <msebor@redhat.com>
25494
25495         PR middle-end/77708
25496         * doc/invoke.texi (Warning Options): Document -Wformat-truncation.
25497         * gimple-ssa-sprintf.c (call_info::reval_used, call_info::warnopt):
25498         New member functions.
25499         (format_directive): Used them.
25500         (add_bytes): Same.
25501         (pass_sprintf_length::handle_gimple_call): Same.
25502         * graphite-sese-to-poly.c (tree_int_to_gmp): Increase buffer size
25503         to avoid truncation for any argument.
25504         (extract_affine_mul): Same.
25505         * tree.c (get_file_function_name): Same.
25506
25507 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
25508
25509         PR middle-end/77484
25510         * predict.def (PRED_INDIR_CALL): Set to 86.
25511
25512 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
25513
25514         PR preprocessor/54124
25515         * doc/cppopts.texi: Reformat -d subtable to list the full name
25516         of the options.  Add cross-reference to the docs for the general
25517         compiler -d options.
25518         * doc/invoke.texi (Developer Options): Add cross-reference to the
25519         preprocessor-specific -d option documentation.
25520
25521 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
25522
25523         PR preprocessor/13498
25524         * doc/cpp.texi (Search Path): Rewrite to remove obsolete and
25525         redudant material, and reflect new command-line options.
25526         (System Headers): Likewise.
25527
25528 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
25529
25530         * doc/cppdiropts.texi: Merge documentation of -I, -iquote,
25531         -isystem, and -idirafter.  Copy-edit.
25532         * doc/cppopts.texi: Copy-edit.  Remove contradiction about
25533         default for -ftrack-macro-expansion.  Delete obsolete and
25534         badly-formatted implementation details about -fdebug-cpp output.
25535         * doc/cppwarnopts.texi: Copy-edit.
25536
25537 2017-01-07  David Malcolm  <dmalcolm@redhat.com>
25538
25539         PR c++/72803
25540         * input.c (selftest::test_accessing_ordinary_linemaps): Verify
25541         that the transition from a max line width >= 1<<10 to narrower
25542         lines works correctly.
25543
25544 2017-01-07  Alexandre Oliva <aoliva@redhat.com>
25545
25546         * doc/options.texi (PerFunction): New.
25547         * opt-functions.awk (switch_flags): Map both Optimization and
25548         PerFunction to CL_OPTIMIZATION.
25549         * opth-gen.awk: Test for PerFunction flag along with
25550         Optimization.
25551         * optc-save-gen.awk: Likewise.  Introduce var_opt_hash and set
25552         it only when the latter is present.  Skip those that don't in
25553         the hash function generator.
25554         * common.opt (fvar-tracking): Mark as PerFunction instead of
25555         Optimization.
25556         (fvar-tracking-assignments): Likewise.
25557         (fvar-tracking-assignments-toggle): Likewise.
25558         (fvar-tracking-uninit): Likewise.
25559
25560 2017-01-07  Jakub Jelinek  <jakub@redhat.com>
25561
25562         PR translation/79018
25563         * params.def (PARAM_MAX_STORES_TO_MERGE): Add missing space between
25564         the and store.
25565
25566 2017-01-06  Mikael Pettersson  <mikpelinux@gmail.com>
25567
25568         PR target/57583
25569         * config/m68k/m68k.opt (LONG_JUMP_TABLE_OFFSETS): New option.
25570         * config/m68k/linux.h (ASM_RETURN_CASE_JUMP): Handle
25571         TARGET_LONG_JUMP_TABLE_OFFSETS.
25572         * config/m68k/m68kelf.h (ASM_RETURN_CASE_JUMP): Likewise.
25573         * config/m68k/netbsd-elf.h (ASM_RETURN_CASE_JUMP): Likewise.
25574         * config/m68k/m68k.h (CASE_VECTOR_MODE): Likewise.
25575         (ASM_OUTPUT_ADDR_DIFF_ELF): Likewise.
25576         * config/m68k/m68k.md (tablejump expander): Likewise.
25577         (*tablejump_pcrel_hi): Renamed from unnamed insn, reject
25578         TARGET_LONG_JUMP_TABLE_OFFSETS.
25579         (*tablejump_pcrel_si): New insn, handle TARGET_LONG_JUMP_TABLE_OFFSETS.
25580         * doc/invoke.texi (M68K options): Add -mlong-jump-table-offsets.
25581
25582 2017-01-06  Edgar E. Iglesias <edgar.iglesias@xilinx.com>
25583             David Holsgrove <david.holsgrove@xilinx.com>
25584
25585         * common/config/microblaze/microblaze-common.c
25586         (TARGET_EXCEPT_UNWIND_INFO): Remove.
25587         * config/microblaze/microblaze-protos.h (microblaze_eh_return):
25588         New prototype.
25589         * config/microblaze/microblaze.c (microblaze_must_save_register)
25590         (microblaze_expand_epilogue, microblaze_return_addr): Handle
25591         calls_eh_return.
25592         (microblaze_eh_return): New function.
25593         * config/microblaze/microblaze.h (RETURN_ADDR_OFFSET)
25594         (EH_RETURN_DATA_REGNO, MB_EH_STACKADJ_REGNUM)
25595         (EH_RETURN_STACKADJ_RTX, ASM_PREFERRED_EH_DATA_FORMAT): New macros.
25596         * config/microblaze/microblaze.md (eh_return): New pattern.
25597
25598 2017-01-06  Jakub Jelinek  <jakub@redhat.com>
25599
25600         * system.h (GCC_DIAGNOSTIC_PUSH_IGNORED, GCC_DIAGNOSTIC_POP,
25601         GCC_DIAGNOSTIC_STRINGIFY): Define.
25602
25603         * read-rtl.c (rtx_reader::read_rtx_code): Avoid -Wsign-compare warning.
25604
25605 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
25606
25607         * config/arm/arm.md (<mcrr>): New.
25608         (<mrrc>): New.
25609         * config/arm/arm.c (arm_arch5te): New.
25610         (arm_option_override): Set arm_arch5te.
25611         (arm_coproc_builtin_available): Add support for mcrr, mcrr2, mrrc
25612         and mrrc2.
25613         * config/arm/arm-builtins.c (MCRR_QUALIFIERS): Define to...
25614         (arm_mcrr_qualifiers): ... this. New.
25615         (MRRC_QUALIFIERS): Define to...
25616         (arm_mrrc_qualifiers): ... this. New.
25617         * config/arm/arm_acle.h (__arm_mcrr, __arm_mcrr2, __arm_mrrc,
25618         __arm_mrrc2): New.
25619         * config/arm/arm_acle_builtins.def (mcrr, mcrr2, mrrc, mrrc2): New.
25620         * config/arm/iterators.md (MCRRI, mcrr, MCRR): New.
25621         (MRRCI, mrrc, MRRC): New.
25622         * config/arm/unspecs.md (VUNSPEC_MCRR, VUNSPEC_MCRR2, VUNSPEC_MRRC,
25623         VUNSPEC_MRRC2): New.
25624
25625 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
25626
25627         * config/arm/arm.md (<mcr>): New.
25628         (<mrc>): New.
25629         * config/arm/arm.c (arm_coproc_builtin_available): Add
25630         support for mcr, mrc, mcr2 and mrc2.
25631         * config/arm/arm-builtins.c (MCR_QUALIFIERS): Define to...
25632         (arm_mcr_qualifiers): ... this. New.
25633         (MRC_QUALIFIERS): Define to ...
25634         (arm_mrc_qualifiers): ... this. New.
25635         (MCR_QUALIFIERS): Define to ...
25636         (arm_mcr_qualifiers): ... this. New.
25637         * config/arm/arm_acle.h (__arm_mcr, __arm_mrc, __arm_mcr2,
25638         __arm_mrc2): New.
25639         * config/arm/arm_acle_builtins.def (mcr, mcr2, mrc, mrc2): New.
25640         * config/arm/iterators.md (MCRI, mcr, MCR, MRCI, mrc, MRC): New.
25641         * config/arm/unspecs.md (VUNSPEC_MCR, VUNSPEC_MCR2, VUNSPEC_MRC,
25642         VUNSPEC_MRC2): New.
25643
25644 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
25645
25646         * config/arm/arm.md (*ldc): New.
25647         (*stc): New.
25648         (<ldc>): New.
25649         (<stc>): New.
25650         * config/arm/arm.c (arm_coproc_builtin_available): Add
25651         support for ldc,ldcl,stc,stcl,ldc2,ldc2l,stc2 and stc2l.
25652         (arm_coproc_ldc_stc_legitimate_address): New.
25653         * config/arm/arm-builtins.c (arm_type_qualifiers): Add
25654         'qualifier_const_pointer'.
25655         (LDC_QUALIFIERS): Define to...
25656         (arm_ldc_qualifiers): ... this. New.
25657         (STC_QUALIFIERS): Define to...
25658         (arm_stc_qualifiers): ... this. New.
25659         * config/arm/arm-protos.h
25660         (arm_coproc_ldc_stc_legitimate_address): New.
25661         * config/arm/arm_acle.h (__arm_ldc, __arm_ldcl, __arm_stc,
25662         __arm_stcl, __arm_ldc2, __arm_ldc2l, __arm_stc2, __arm_stc2l): New.
25663         * config/arm/arm_acle_builtins.def (ldc, ldc2, ldcl, ldc2l, stc,
25664         stc2, stcl, stc2l): New.
25665         * config/arm/constraints.md (Uz): New.
25666         * config/arm/iterators.md (LDCI, STCI, ldc, stc, LDC STC): New.
25667         * config/arm/unspecs.md (VUNSPEC_LDC, VUNSPEC_LDC2, VUNSPEC_LDCL,
25668         VUNSPEC_LDC2L, VUNSPEC_STC, VUNSPEC_STC2, VUNSPEC_STCL,
25669         VUNSPEC_STC2L): New.
25670
25671 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
25672
25673         * config/arm/arm.md (<cdp>): New.
25674         * config/arm/arm.c (neon_const_bounds): Rename this ...
25675         (arm_const_bounds): ... this.
25676         (arm_coproc_builtin_available): New.
25677         * config/arm/arm-builtins.c (SIMD_MAX_BUILTIN_ARGS): Increase.
25678         (arm_type_qualifiers): Add 'qualifier_unsigned_immediate'.
25679         (CDP_QUALIFIERS): Define to...
25680         (arm_cdp_qualifiers): ... this. New.
25681         (void_UP): Define.
25682         (arm_expand_builtin_args): Add case for 6 arguments.
25683         * config/arm/arm-protos.h (neon_const_bounds): Rename this ...
25684         (arm_const_bounds): ... this.
25685         (arm_coproc_builtin_available): New.
25686         * config/arm/arm_acle.h (__arm_cdp): New.
25687         (__arm_cdp2): New.
25688         * config/arm/arm_acle_builtins.def (cdp): New.
25689         (cdp2): New.
25690         * config/arm/iterators.md (CDPI,CDP,cdp): New.
25691         * config/arm/neon.md: Rename all 'neon_const_bounds' to
25692         'arm_const_bounds'.
25693         * config/arm/types.md (coproc): New.
25694         * config/arm/unspecs.md (VUNSPEC_CDP, VUNSPEC_CDP2): New.
25695         * doc/extend.texi (ACLE): Add a mention of Coprocessor intrinsics.
25696         * doc/sourcebuild.texi (arm_coproc1_ok, arm_coproc2_ok,
25697         arm_coproc3_ok, arm_coproc4_ok): Document new effective targets.
25698
25699 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
25700
25701         * config/arm/arm-builtins.c (arm_unsigned_binop_qualifiers): New.
25702         (UBINOP_QUALIFIERS): New.
25703         (si_UP): Define.
25704         (acle_builtin_data): New. Change comment.
25705         (arm_builtins): Remove ARM_BUILTIN_CRC32B, ARM_BUILTIN_CRC32H,
25706         ARM_BUILTIN_CRC32W, ARM_BUILTIN_CRC32CB, ARM_BUILTIN_CRC32CH,
25707         ARM_BUILTIN_CRC32CW. Add ARM_BUILTIN_ACLE_BASE and include
25708         arm_acle_builtins.def.
25709         (ARM_BUILTIN_ACLE_PATTERN_START): Define.
25710         (arm_init_acle_builtins): New.
25711         (CRC32_BUILTIN): Remove.
25712         (bdesc_2arg): Remove entries for crc32b, crc32h, crc32w,
25713         crc32cb, crc32ch and crc32cw.
25714         (arm_init_crc32_builtins): Remove.
25715         (arm_init_builtins): Use arm_init_acle_builtins rather
25716         than arm_init_crc32_builtins.
25717         (arm_expand_acle_builtin): New.
25718         (arm_expand_builtin): Use 'arm_expand_acle_builtin'.
25719         * config/arm/arm_acle_builtins.def: New.
25720
25721 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
25722
25723         * config/arm/arm-builtins.c (neon_builtin_datum): Rename to ..
25724         (arm_builtin_datum): ... this.
25725         (arm_init_neon_builtin): Rename to ...
25726         (arm_init_builtin): ... this. Add a new parameters PREFIX
25727         and USE_SIG_IN_NAME.
25728         (arm_init_neon_builtins): Replace 'arm_init_neon_builtin' with
25729         'arm_init_builtin'. Replace type 'neon_builtin_datum' with
25730         'arm_builtin_datum'.
25731         (arm_init_vfp_builtins): Likewise.
25732         (builtin_arg): Rename enum's replacing 'NEON_ARG' with
25733         'ARG_BUILTIN' and add a 'ARG_BUILTIN_NEON_MEMORY.
25734         (arm_expand_neon_args): Rename to ...
25735         (arm_expand_builtin_args): ... this. Rename builtin_arg
25736         enum values and differentiate between ARG_BUILTIN_MEMORY
25737         and ARG_BUILTIN_NEON_MEMORY.
25738         (arm_expand_neon_builtin_1): Rename to ...
25739         (arm_expand_builtin_1): ... this. Rename builtin_arg enum
25740         values, arm_expand_builtin_args and add bool parameter NEON.
25741         (arm_expand_neon_builtin): Use arm_expand_builtin_1.
25742         (arm_expand_vfp_builtin): Likewise.
25743         (NEON_MAX_BUILTIN_ARGS): Remove, it was unused.
25744
25745 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
25746
25747         PR middle-end/77484
25748         * predict.def (PRED_POLYMORPHIC_CALL): Set to 59.
25749         * predict.c (tree_estimate_probability_bb): Reverse direction of
25750         polymorphic call predictor.
25751
25752 2017-01-06  David Malcolm  <dmalcolm@redhat.com>
25753
25754         * passes.c (execute_one_pass): Split out pass-skipping logic into...
25755         (determine_pass_name_match): ...this new function and...
25756         (should_skip_pass_p): ...this new function.
25757
25758 2017-01-06  Nathan Sidwell  <nathan@acm.org>
25759
25760         * ipa-visibility.c (function_and_variable_visibility): Reformat
25761         comments and long lines.  Remove extrneous if.
25762         * symtab.c (symtab_node::make_decl_local): Fix code format.
25763         (symtab_node::set_section_for_node): Fix comment typo.
25764
25765 2017-01-06  Martin Liska  <mliska@suse.cz>
25766
25767         PR bootstrap/79003
25768         * lra-constraints.c: Rename invariant to lra_invariant.
25769         * predict.c (set_even_probabilities): Initialize e to NULL.
25770
25771 2017-01-05  Martin Sebor  <msebor@redhat.com>
25772
25773         PR tree-optimization/78910
25774         * gimple-ssa-sprintf.c (tree_digits): Add an argument.
25775         (format_integer): Correct off-by-one error in the handling
25776         of precision with negative numbers in signed conversions..
25777
25778 2017-01-05  Eric Botcazou  <ebotcazou@adacore.com>
25779
25780         * doc/invoke.texi (C Dialect Options): Adjust -fsso-struct entry.
25781
25782 2017-01-05  Jakub Jelinek  <jakub@redhat.com>
25783
25784         PR tree-optimization/71016
25785         * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Pass cond_stmt to
25786         factor_out_conditional_conversion.  Formatting fix.
25787         (factor_out_conditional_conversion): Add cond_stmt argument.
25788         If arg1 is INTEGER_CST, punt if new_arg0 is not any operand of
25789         cond_stmt and if arg0_def_stmt is not the only stmt in its bb.
25790         Formatting fix.
25791
25792 2017-01-05  David Malcolm  <dmalcolm@redhat.com>
25793
25794         * Makefile.in (OBJS): Add read-md.o, read-rtl.o,
25795         read-rtl-function.o, and selftest-rtl.o.
25796         * config/aarch64/aarch64.c: Include selftest.h and selftest-rtl.h.
25797         (selftest::aarch64_test_loading_full_dump): New function.
25798         (selftest::aarch64_run_selftests): New function.
25799         (TARGET_RUN_TARGET_SELFTESTS): Wire it up to
25800         selftest::aarch64_run_selftests.
25801         * config/i386/i386.c
25802         (selftest::ix86_test_loading_dump_fragment_1): New function.
25803         (selftest::ix86_test_loading_call_insn): New function.
25804         (selftest::ix86_test_loading_full_dump): New function.
25805         (selftest::ix86_test_loading_unspec): New function.
25806         (selftest::ix86_run_selftests): Call the new functions.
25807         * emit-rtl.c (maybe_set_max_label_num): New function.
25808         * emit-rtl.h (maybe_set_max_label_num): New decl.
25809         * function.c (instantiate_decls): Guard call to
25810         instantiate_decls_1 with if (DECL_INITIAL (fndecl)).
25811         * function-tests.c (selftest::verify_three_block_rtl_cfg): Remove
25812         "static".
25813         * gensupport.c (gen_reader::gen_reader): Pass "false"
25814         for new "compact" param of rtx_reader.
25815         * print-rtl.c (rtx_writer::print_rtx_operand): Print "(nil)"
25816         rather than an empty string for NULL strings.
25817         * read-md.c: Potentially include config.h rather than bconfig.h.
25818         Wrap include of errors.h with #ifdef GENERATOR_FILE.
25819         (have_error): New global, copied from errors.c.
25820         (md_reader::read_name): Rename to...
25821         (md_reader::read_name_1): ...this, adding "out_loc" param,
25822         and converting "missing name or number" to returning false, rather
25823         than failing.
25824         (md_reader::read_name): Reimplement in terms of read_name_1.
25825         (md_reader::read_name_or_nil): New function.
25826         (md_reader::read_string): Handle "(nil)" by returning NULL.
25827         (md_reader::md_reader): Add new param "compact".
25828         (md_reader::read_md_files): Wrap with #ifdef GENERATOR_FILE.
25829         (md_reader::read_file): New method.
25830         * read-md.h (md_reader::md_reader): Add new param "compact".
25831         (md_reader::read_file): New method.
25832         (md_reader::is_compact): New accessor.
25833         (md_reader::read_name): Convert return type from void to file_location.
25834         (md_reader::read_name_or_nil): New decl.
25835         (md_reader::read_name_1): New decl.
25836         (md_reader::m_compact): New field.
25837         (noop_reader::noop_reader): Pass "false" for new "compact" param
25838         of rtx_reader.
25839         (rtx_reader::rtx_reader): Add new "compact" param.
25840         (rtx_reader::read_rtx_operand): Make virtual and convert return
25841         type from void to rtx.
25842         (rtx_reader::read_until): New decl.
25843         (rtx_reader::handle_any_trailing_information): New virtual function.
25844         (rtx_reader::postprocess): New virtual function.
25845         (rtx_reader::finalize_string): New virtual function.
25846         (rtx_reader::m_in_call_function_usage): New field.
25847         (rtx_reader::m_reuse_rtx_by_id): New field.
25848         * read-rtl-function.c: New file.
25849         * selftest-rtl.c (selftest::assert_rtx_ptr_eq_at): New function.
25850         * selftest-rtl.h (ASSERT_RTX_PTR_EQ): New macro.
25851         (selftest::verify_three_block_rtl_cfg): New decl.
25852         * read-rtl-function.h: New file.
25853         * read-rtl.c: Potentially include config.h rather than bconfig.h.
25854         For host, include function.h, memmodel.h, and emit-rtl.h.
25855         (one_time_initialization): New function.
25856         (struct compact_insn_name): New struct.
25857         (compact_insn_names): New array.
25858         (find_code): Handle insn codes in compact dumps.
25859         (apply_subst_iterator): Wrap with #ifdef GENERATOR_FILE.
25860         (bind_subst_iter_and_attr): Likewise.
25861         (add_condition_to_string): Likewise.
25862         (add_condition_to_rtx): Likewise.
25863         (apply_attribute_uses): Likewise.
25864         (add_current_iterators): Likewise.
25865         (apply_iterators): Likewise.
25866         (initialize_iterators): Guard usage of apply_subst_iterator with
25867         #ifdef GENERATOR_FILE.
25868         (read_conditions): Wrap with #ifdef GENERATOR_FILE.
25869         (md_reader::read_mapping): Likewise.
25870         (add_define_attr_for_define_subst): Likewise.
25871         (add_define_subst_attr): Likewise.
25872         (read_subst_mapping): Likewise.
25873         (check_code_iterator): Likewise.
25874         (rtx_reader::read_rtx): Likewise.  Move one-time initialization
25875         logic to...
25876         (one_time_initialization): New function.
25877         (rtx_reader::read_until): New method.
25878         (read_flags): New function.
25879         (parse_reg_note_name): New function.
25880         (rtx_reader::read_rtx_code): Initialize "iterator" to NULL.
25881         Handle reuse_rtx ids.
25882         Wrap iterator lookup within #ifdef GENERATOR_FILE.
25883         Add parsing support for RTL dumps, mirroring the special-cases in
25884         print_rtx, by calling read_flags, reading REG_NOTE names, INSN_UID
25885         values, and calling handle_any_trailing_information.
25886         (rtx_reader::read_rtx_operand): Convert return type from void
25887         to rtx, returning return_rtx.  Handle case 'e'.  Call
25888         finalize_string on XSTR and XTMPL fields.
25889         (rtx_reader::read_nested_rtx):  Handle dumps in which trailing
25890          "(nil)" values were omitted.  Call the postprocess vfunc on the
25891         return_rtx.
25892         (rtx_reader::rtx_reader): Add new "compact" param and pass to base
25893         class ctor.  Initialize m_in_call_function_usage.  Call
25894         one_time_initialization.
25895         * rtl-tests.c (selftest::test_uncond_jump): Call
25896         set_new_first_and_last_insn.
25897         * rtl.h (read_rtx): Wrap decl with #ifdef GENERATOR_FILE.
25898         * selftest-rtl.c: New file.
25899         * selftest-rtl.h (class selftest::rtl_dump_test): New class.
25900         (selftest::get_insn_by_uid): New decl.
25901         * selftest-run-tests.c (selftest::run_tests): Call
25902         read_rtl_function_c_tests.
25903         * selftest.h  (selftest::read_rtl_function_c_tests): New decl.
25904         * tree-dfa.c (ssa_default_def): Return NULL_TREE for rtl function
25905         dumps.
25906
25907 2017-01-05  Uros Bizjak  <ubizjak@gmail.com>
25908
25909         * config/i386/i386.md (*testqi_ext_3): No need to handle memory
25910         operands in a special way.  Assert that pos+len <= mode precision.
25911
25912 2017-01-05  Jakub Jelinek  <jakub@redhat.com>
25913
25914         * common.opt (fvect-cost-model): Remove RejectNegative flag, use
25915         3 argument Alias with unlimited for the negative form.
25916         (fno-vect-cost-model): Removed.
25917
25918 2017-01-05  Martin Liska  <mliska@suse.cz>
25919
25920         * hsa-gen.c (gen_hsa_divmod): New function.
25921         (gen_hsa_insn_for_internal_fn_call): Use the function for IFN_DIVMOD.
25922
25923 2017-01-05  Martin Liska  <mliska@suse.cz>
25924
25925         PR pch/78970
25926         * gcc.c (lookup_compiler): Reject '-' filename for a precompiled
25927         header.
25928
25929 2017-01-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
25930
25931         * config/s390/s390.c (s390_expand_setmem): Unroll the loop for
25932         small constant length operands.
25933
25934 2017-01-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
25935
25936         * config/s390/s390.c (s390_expand_setmem): Avoid overlapping bytes
25937         between loop iterations.
25938
25939 2017-01-05  Martin Liska  <mliska@suse.cz>
25940
25941         PR sanitizer/78815
25942         * gimplify.c (gimplify_decl_expr): Compare to
25943         asan_poisoned_variables instread of checking flags.
25944         (gimplify_target_expr): Likewise.
25945         (gimplify_expr): Likewise.
25946         (gimplify_function_tree): Conditionally initialize
25947         asan_poisoned_variables.
25948
25949 2017-01-04  Jeff Law  <law@redhat.com>
25950
25951         PR tree-optimizatin/78812
25952         * rtl.h (contains_mem_rtx_p): Prototype.
25953         * ifcvt.c (containts_mem_rtx_p): Move from here to...
25954         * rtlanal.c (contains_mem_rtx_p): Here and remove static linkage.
25955         * gcse.c (prune_expressions): Use contains_mem_rtx_p to discover
25956         and prune MEMs that are not at the toplevel of a SET_SRC rtx.  Look
25957         through ZERO_EXTEND and SIGN_EXTEND when trying to avoid pruning MEMs.
25958
25959 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
25960
25961         * input.c (assert_char_at_range): Default-initialize actual_range.
25962
25963 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
25964
25965         * df-scan.c (df_ref_create_structure): Make regno unsigned,
25966         to match the caller.
25967
25968 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
25969
25970         * cfgexpand.c (expand_gimple_basic_block): Disregard debug
25971         insns after final jump in test to emit dummy move.
25972
25973 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
25974
25975         * gimple-iterator.h (gsi_one_nondebug_before_end_p): New.
25976         * tree-eh.c (cleanup_empty_eh): Skip more debug stmts.
25977
25978 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
25979
25980         * multiple_target.c (create_dispatcher_calls): Init e_next.
25981         * tree-ssa-loop-split.c (split_loop): Init border.
25982         * tree-vect-loop.c (vect_determine_vectorization_factor): Init
25983         scalar_type.
25984
25985 2017-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
25986
25987         PR target/71977
25988         PR target/70568
25989         PR target/78823
25990         * config/rs6000/predicates.md (sf_subreg_operand): New predicate.
25991         (altivec_register_operand): Do not return true if the operand
25992         contains a SUBREG mixing SImode and SFmode.
25993         (vsx_register_operand): Likewise.
25994         (vsx_reg_sfsubreg_ok): New predicate.
25995         (vfloat_operand): Do not return true if the operand contains a
25996         SUBREG mixing SImode and SFmode.
25997         (vint_operand): Likewise.
25998         (vlogical_operand): Likewise.
25999         (gpc_reg_operand): Likewise.
26000         (int_reg_operand): Likewise.
26001         * config/rs6000/rs6000-protos.h (valid_sf_si_move): Add declaration.
26002         * config/rs6000/rs6000.c (valid_sf_si_move): New function to
26003         determine if a MOVSI or MOVSF operation contains SUBREGs that mix
26004         SImode and SFmode.
26005         (rs6000_emit_move_si_sf_subreg): New helper function.
26006         (rs6000_emit_move): Call rs6000_emit_move_si_sf_subreg to possbily
26007         fixup SUBREGs involving SImode and SFmode.
26008         * config/rs6000/vsx.md (SFBOOL_*): New constants that are operand
26009         numbers for the new peephole2 optimization.
26010         (peephole2 for SFmode unions): New peephole2 to optimize cases in
26011         the GLIBC math library that do AND/IOR/XOR operations on single
26012         precision floating point.
26013         * config/rs6000/rs6000.h (TARGET_NO_SF_SUBREG): New internal
26014         target macros to say whether we need to avoid SUBREGs mixing
26015         SImode and SFmode.
26016         (TARGET_ALLOW_SF_SUBREG): Likewise.
26017         * config/rs6000/rs6000.md (UNSPEC_SF_FROM_SI): New unspecs.
26018         (UNSPEC_SI_FROM_SF): Likewise.
26019         (iorxor): Change spacing.
26020         (and_ior_xor): New iterator for AND, IOR, and XOR.
26021         (movsi_from_sf): New insns for SImode/SFmode SUBREG support.
26022         (movdi_from_sf_zero_ext): Likewise.
26023         (mov<mode>_hardfloat, FMOVE32 iterator): Use register_operand
26024         instead of gpc_reg_operand.  Add SImode/SFmode SUBREG support.
26025         (movsf_from_si): New insn for SImode/SFmode SUBREG support.
26026         (fma<mode>4): Use gpc_reg_operand instead of register_operand.
26027         (fms<mode>4): Likewise.
26028         (fnma<mode>4): Likewise.
26029         (fnms<mode>4): Likewise.
26030         (nfma<mode>4): Likewise.
26031         (nfms<mode>4): Likewise.
26032
26033 2017-01-04  Marek Polacek  <polacek@redhat.com>
26034
26035         PR c++/64767
26036         * doc/invoke.texi: Document -Wpointer-compare.
26037
26038 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
26039
26040         * optc-gen.awk: Emit #error for -W*/-f*/-m* Enum without
26041         RejectNegative.
26042
26043         * dwarf2out.c (output_loc_list): Don't throw away 64K+ location
26044         descriptions for -gdwarf-5 and emit them as uleb128 instead of
26045         2-byte data.
26046
26047 2017-01-04  Kelvin Nilsen  <kelvin@gcc.gnu.org>
26048
26049         PR target/78056
26050         * doc/sourcebuild.texi (PowerPC-specific attributes): Add
26051         documentation of the powerpc_popcntb_ok attribute.
26052         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
26053         code to issue warning messages if a requested CPU configuration is
26054         not supported by the binary (assembler and loader) toolchain.
26055         (spe_init_builtins): Add two assertions to prevent ICE if attempt is
26056         made to define a built-in function that has been disabled.
26057         (paired_init_builtins): Add assertion to prevent ICE if attempt is
26058         made to define a built-in function that has been disabled.
26059         (altivec_init_builtins): Add comment explaining why definition
26060         of the DST built-in functions is not preceded by an assertion
26061         check.  Add assertions to prevent ICE if attempts are made to
26062         define an altivec predicate or an abs* built-in function that has
26063         been disabled.
26064         (htm_init_builtins): Add comment explaining why definition of the
26065         htm built-in functions is not preceded by an assertion check.
26066
26067 2017-01-04  Jeff Law  <law@redhat.com>
26068
26069         PR tree-optimizatin/67955
26070         * tree-ssa-alias.c (same_addr_size_stores_p): Check offsets first.
26071         Allow any SSA_VAR_P as the base objects.  Use integer_zerop.  Verify
26072         the points-to solution does not include pt_null.  Use DECL_PT_UID
26073         unconditionally.
26074
26075 2017-01-04  Uros Bizjak  <ubizjak@gmail.com>
26076
26077         * config/i386/i386.md (HI/SImode test with imm to QImode splitters):
26078         Use gen_int_mode instead of gen_lopwart for const_int operands.
26079
26080 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
26081
26082         PR tree-optimization/71563
26083         * match.pd: Simplify X << Y into X if Y is known to be 0 or
26084         out of range value - has low bits known to be zero.
26085
26086 2017-01-04  Alan Modra  <amodra@gmail.com>
26087
26088         * Makefile.in (aclocal_deps): Update and order as per aclocal.m4.
26089         * configure: Regenerate.
26090         * config.in: Regenerate.
26091
26092 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
26093
26094         PR bootstrap/77569
26095         * input.c (ebcdic_execution_charset::on_error): Don't use strstr for
26096         a substring of the message, but strcmp with the whole message.  Ifdef
26097         ENABLE_NLS, translate the message first using dgettext.
26098
26099 2017-01-03  Jeff Law  <law@redhat.com>
26100
26101         PR tree-optimizatin/78856
26102         * tree-ssa-threadupdate.c: Include tree-vectorizer.h.
26103         (mark_threaded_blocks): Remove code to truncate thread paths that
26104         cross multiple loop headers.  Instead invalidate the cached loop
26105         iteration information and handle case of a thread path walking
26106         into an irreducible region.
26107
26108 2017-01-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
26109
26110         PR target/78900
26111         * config/rs6000/rs6000.c (rs6000_split_signbit): Change some
26112         assertions.  Add support for doing the signbit if the IEEE 128-bit
26113         floating point value is in a GPR.
26114         * config/rs6000/rs6000.md (Fsignbit): Delete.
26115         (signbit<mode>2_dm): Delete using <Fsignbit> and just use "wa".
26116         Update the length attribute if the value is in a GPR.
26117         (signbit<mode>2_dm_<su>ext): Add combiner pattern to eliminate
26118         the sign or zero extension instruction, since the value is always 0/1.
26119         (signbit<mode>2_dm2): Delete using <Fsignbit>.
26120
26121         PR target/78953
26122         * config/rs6000/vsx.md (vsx_extract_<mode>_store_p9): If we are
26123         extracting SImode to a GPR register so that we can generate a
26124         store, limit the vector to be in a traditional Altivec register
26125         for the vextuwrx instruction.
26126
26127 2017-01-03  Ian Lance Taylor  <iant@google.com>
26128
26129         * godump.c (go_format_type): Treat ENUMERAL_TYPE like INTEGER_TYPE.
26130
26131 2017-01-03  Martin Sebor  <msebor@redhat.com>
26132
26133         PR tree-optimization/78696
26134         * gimple-ssa-sprintf.c (format_floating): Correct handling of
26135         precision.  Use MPFR for %f for greater fidelity.  Correct handling
26136         of %g.
26137         (pass_sprintf_length::compute_format_length): Set width and precision
26138         specified by asrerisk to void_node for vararg functions.
26139         (try_substitute_return_value): Adjust dump output.
26140
26141 2017-01-03  David Edelsohn  <dje.gcc@gmail.com>
26142
26143         * doc/invoke.texi (RS6000 options): LRA is enabled by default.
26144
26145 2017-01-03  Eric Botcazou  <ebotcazou@adacore.com>
26146
26147         * doc/invoke.texi (SPARC options): Document -mlra as the default.
26148         * config/sparc/sparc.c (sparc_option_override): Force LRA unless
26149         -mlra/-mno-lra was passed to the compiler.
26150
26151 2017-01-03  James Cowgill  <James.Cowgill@imgtec.com>
26152
26153         PR rtl-optimization/65618
26154         * emit-rtl.c (try_split): Move initialization of "before" and
26155         "after" to just before the call to emit_insn_after_setloc.
26156
26157 2017-01-03  Gerald Pfeifer  <gerald@pfeifer.com>
26158
26159         * doc/md.texi (Standard Names): Remove reference to Java frontend.
26160
26161 2017-01-03  Pierre-Marie de Rodat  <derodat@adacore.com>
26162
26163         * dwarf2out.c (gen_enumeration_type_die): When
26164         -gno-strict-dwarf, add a DW_AT_encoding attribute.
26165
26166 2017-01-03  Jakub Jelinek  <jakub@redhat.com>
26167
26168         PR tree-optimization/78965
26169         * gimple-ssa-sprintf.c (pass_sprintf_length::compute_format_length):
26170         Change first argument from const call_info & to call_info &.  For %n
26171         set info.nowrite to false.
26172
26173         PR middle-end/78901
26174         * gimple-ssa-sprintf.c (try_substitute_return_value): Don't change
26175         possibly throwing calls.
26176
26177         * genmatch.c (dt_node::gen_kids_1): If generic_exprs include SSA_NAME
26178         and exprs_len || fns_len, emit the code for SSA_NAME next to the exprs
26179         and fns handling, rather than in a separate case SSA_NAME.
26180
26181 2017-01-02  Jeff Law  <law@redhat.com>
26182
26183         * config/darwin-driver.c (darwin_driver_init): Const-correctness
26184         fixes for first_period and second_period variables.
26185
26186 2017-01-02  Uros Bizjak  <ubizjak@gmail.com>
26187
26188         PR target/78967
26189         * config/i386/i386.md (UNSPEC_NOREX_MEM): New unspec.
26190         (*insvqi_1): New insn pattern.
26191         (*insvqi_1_mem_rex64): Ditto.
26192         (*insvqi_2): Ditto.
26193         (*insvqi_3): Rename from *insvqi.
26194
26195         (*extzvqi_mem_rex64): Add UNSPEC_NOREX_MEM tag.
26196
26197 2017-01-02  Gerald Pfeifer  <gerald@pfeifer.com>
26198
26199         * doc/cfg.texi (Edges): Remove reference to Java.
26200         (Maintaining the CFG): Ditto.
26201
26202 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
26203
26204         PR middle-end/77674
26205         * symtab.c (symtab_node::binds_to_current_def_p): Fix handling of
26206         transparent aliases.
26207
26208 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
26209
26210         PR middle-end/77484
26211         * predict.def (PRED_CALL): Update hitrate.
26212         (PRED_INDIR_CALL, PRED_POLYMORPHIC_CALL): New predictors.
26213         * predict.c (tree_estimate_probability_bb): Split CALL predictor
26214         into direct/indirect/polymorphic variants.
26215
26216 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
26217
26218         Update copyright years.
26219
26220         * gcc.c (process_command): Update copyright notice dates.
26221         * gcov-dump.c (print_version): Ditto.
26222         * gcov.c (print_version): Ditto.
26223         * gcov-tool.c (print_version): Ditto.
26224         * gengtype.c (create_file): Ditto.
26225         * doc/cpp.texi: Bump @copying's copyright year.
26226         * doc/cppinternals.texi: Ditto.
26227         * doc/gcc.texi: Ditto.
26228         * doc/gccint.texi: Ditto.
26229         * doc/gcov.texi: Ditto.
26230         * doc/install.texi: Ditto.
26231         * doc/invoke.texi: Ditto.
26232 \f
26233 Copyright (C) 2017 Free Software Foundation, Inc.
26234
26235 Copying and distribution of this file, with or without modification,
26236 are permitted in any medium without royalty provided the copyright
26237 notice and this notice are preserved.