gcc/ChangeLog

   1 2017-09-04  Richard Sandiford  <richard.sandiford@linaro.org>
   2             Alan Hayward  <alan.hayward@arm.com>
   3             David Sherwood  <david.sherwood@arm.com>
   4
   5         * coretypes.h (pad_direction): New enum.
   6         * defaults.h (DEFAULT_FUNCTION_ARG_PADDING): Delete.
   7         (FUNCTION_ARG_PADDING): Likewise.
   8         * target.def (function_arg_padding): New hook.
   9         * targhooks.h (default_function_arg_padding): Declare.
  10         * targhooks.c (default_function_arg_padding): New function.
  11         * doc/tm.texi.in (FUNCTION_ARG_PADDING): Replace with...
  12         (TARGET_FUNCTION_ARG_PADDING): ...this.
  13         * doc/tm.texi: Regenerate.
  14         * calls.c (store_unaligned_arguments_into_pseudos): Use pad_direction
  15         instead of direction.
  16         (compute_argument_addresses): Likewise.
  17         (load_register_parameters): Likewise.
  18         (emit_library_call_value_1): Likewise.
  19         (store_one_arg): Use targetm.calls.function_arg_padding instead
  20         of FUNCTION_ARG_PADDING.
  21         (must_pass_in_stack_var_size_or_pad): Likewise.
  22         * expr.c (emit_group_load_1): Use pad_direction instead of direction.
  23         (emit_group_store): Likewise.
  24         (emit_single_push_insn_1): Use targetm.calls.function_arg_padding
  25         instead of FUNCTION_ARG_PADDING.
  26         (emit_push_insn): Likewise, and propagate enum change throughout
  27         function.
  28         * function.h (direction): Delete.
  29         (locate_and_pad_arg_data::where_pad): Use pad_direction instead
  30         of direction.
  31         * function.c (assign_parm_find_stack_rtl): Likewise.
  32         (assign_parm_setup_block_p): Likewise.
  33         (assign_parm_setup_block): Likewise.
  34         (gimplify_parameters): Likewise.
  35         (locate_and_pad_parm): Use targetm.calls.function_arg_padding
  36         instead of FUNCTION_ARG_PADDING, and propagate enum change throughout
  37         function.
  38         * config/aarch64/aarch64.h (FUNCTION_ARG_PADDING): Delete.
  39         (BLOCK_REG_PADDING): Use pad_direction instead of direction.
  40         * config/aarch64/aarch64-protos.h (aarch64_pad_arg_upward): Delete.
  41         * config/aarch64/aarch64.c (aarch64_pad_arg_upward): Replace with...
  42         (aarch64_function_arg_padding): ...this new function.
  43         (aarch64_gimplify_va_arg_expr): Use pad_direction instead of direction.
  44         (TARGET_FUNCTION_ARG_PADDING): Redefine.
  45         * config/arm/arm.h (FUNCTION_ARG_PADDING): Delete.
  46         (BLOCK_REG_PADDING): Use pad_direction instead of direction.
  47         * config/arm/arm-protos.h (arm_pad_arg_upward): Delete.
  48         * config/arm/arm.c (TARGET_FUNCTION_ARG_PADDING): Redefine.
  49         (arm_pad_arg_upward): Replace with...
  50         (arm_function_arg_padding): ...this new function.
  51         * config/c6x/c6x.h (BLOCK_REG_PADDING): Use pad_direction instead
  52         of direction.
  53         * config/ia64/hpux.h (FUNCTION_ARG_PADDING): Delete.
  54         * config/ia64/ia64-protos.h (ia64_hpux_function_arg_padding): Delete.
  55         * config/ia64/ia64.c (TARGET_FUNCTION_ARG_PADDING): Redefine.
  56         (ia64_hpux_function_arg_padding): Replace with...
  57         (ia64_function_arg_padding): ...this new function.  Use pad_direction
  58         instead of direction.  Check for TARGET_HPUX.
  59         * config/iq2000/iq2000.h (FUNCTION_ARG_PADDING): Delete.
  60         * config/iq2000/iq2000.c (TARGET_FUNCTION_ARG_PADDING): Redefine.
  61         (iq2000_function_arg_padding): New function.
  62         * config/mips/mips-protos.h (mips_pad_arg_upward): Delete.
  63         * config/mips/mips.c (mips_pad_arg_upward): Replace with...
  64         (mips_function_arg_padding): ...this new function.
  65         (mips_pad_reg_upward): Update accordingly.
  66         (TARGET_FUNCTION_ARG_PADDING): Redefine.
  67         * config/mips/mips.h (PAD_VARARGS_DOWN): Use
  68         targetm.calls.function_arg_padding.
  69         (FUNCTION_ARG_PADDING): Delete.
  70         (BLOCK_REG_PADDING): Use pad_direction instead of direction.
  71         * config/nios2/nios2.h (FUNCTION_ARG_PADDING): Delete.
  72         (PAD_VARARGS_DOWN): Use targetm.calls.function_arg_padding.
  73         * config/nios2/nios2-protos.h (nios2_function_arg_padding): Delete.
  74         (nios2_block_reg_padding): Return pad_direction instead of direction.
  75         * config/nios2/nios2.c (nios2_block_reg_padding): Return pad_direction
  76         instead of direction.
  77         (nios2_function_arg_padding): Likewise.  Make static.
  78         (TARGET_FUNCTION_ARG_PADDING): Redefine.
  79         * config/pa/pa.h (FUNCTION_ARG_PADDING): Delete.
  80         (BLOCK_REG_PADDING): Use targetm.calls.function_arg_padding.
  81         * config/pa/pa-protos.h (pa_function_arg_padding): Delete.
  82         * config/pa/pa.c (TARGET_FUNCTION_ARG_PADDING): Redefine.
  83         (pa_function_arg_padding): Make static.  Return pad_direction instead
  84         of direction.
  85         * config/powerpcspe/powerpcspe.h (FUNCTION_ARG_PADDING): Delete.
  86         (PAD_VARARGS_DOWN): Use targetm.calls.function_arg_padding.
  87         * config/powerpcspe/aix.h (BLOCK_REG_PADDING): Use pad_direction
  88         instead of direction.  Use targetm.calls.function_arg_padding.
  89         * config/powerpcspe/darwin.h (BLOCK_REG_PADDING): Likewise.
  90         * config/powerpcspe/freebsd64.h (BLOCK_REG_PADDING): Likewise.
  91         * config/powerpcspe/linux64.h (BLOCK_REG_PADDING): Likewise.
  92         * config/powerpcspe/powerpcspe-protos.h (function_arg_padding): Delete.
  93         * config/powerpcspe/powerpcspe.c (TARGET_FUNCTION_ARG_PADDING):
  94         Redefine.
  95         (function_arg_padding): Rename to...
  96         (rs6000_function_arg_padding): ...this.  Make static.  Return
  97         pad_direction instead of direction.
  98         (rs6000_return_in_msb): Use rs6000_function_arg_padding.
  99         * config/rs6000/rs6000.h (FUNCTION_ARG_PADDING): Delete.
 100         (PAD_VARARGS_DOWN): Use targetm.calls.function_arg_padding.
 101         * config/rs6000/aix.h (BLOCK_REG_PADDING): Use pad_direction
 102         instead of direction.  Use targetm.calls.function_arg_padding.
 103         * config/rs6000/darwin.h (BLOCK_REG_PADDING): Likewise.
 104         * config/rs6000/freebsd64.h (BLOCK_REG_PADDING): Likewise.
 105         * config/rs6000/linux64.h (BLOCK_REG_PADDING): Likewise.
 106         * config/rs6000/rs6000-protos.h (function_arg_padding): Delete.
 107         * config/rs6000/rs6000.c (TARGET_FUNCTION_ARG_PADDING): Redefine.
 108         (function_arg_padding): Rename to...
 109         (rs6000_function_arg_padding): ...this.  Make static.  Return
 110         pad_direction instead of direction.
 111         (rs6000_return_in_msb): Use rs6000_function_arg_padding.
 112         * config/s390/s390.h (FUNCTION_ARG_PADDING): Delete.
 113         * config/s390/s390.c (s390_function_arg_padding): New function.
 114         (TARGET_FUNCTION_ARG_PADDING): Redefine.
 115         * config/sparc/sparc.h (FUNCTION_ARG_PADDING): Delete.
 116         * config/sparc/sparc-protos.h (function_arg_padding): Delete.
 117         * config/sparc/sparc.c (TARGET_FUNCTION_ARG_PADDING): Redefine.
 118         (function_arg_padding): Rename to...
 119         (sparc_function_arg_padding): ...this.  Make static.  Return
 120         pad_direction instead of direction.
 121         * config/spu/spu.h (FUNCTION_ARG_PADDING): Delete.
 122         * config/spu/spu.c (spu_function_arg_padding): New function.
 123         (TARGET_FUNCTION_ARG_PADDING): Redefine.
 124         * system.h (FUNCTION_ARG_PADDING): Poison.
 125
 126 2017-09-04  Richard Sandiford  <richard.sandiford@linaro.org>
 127             Alan Hayward  <alan.hayward@arm.com>
 128             David Sherwood  <david.sherwood@arm.com>
 129
 130         * target.def (modes_tieable_p): New hook.
 131         * doc/tm.texi (MODES_TIEABLE_P): Replace with...
 132         (TARGET_MODES_TIEABLE_P): ...this.
 133         * doc/tm.texi.in: Regenerate.
 134         * hooks.h (hook_bool_mode_mode_true): Declare.
 135         * hooks.c (hook_bool_mode_mode_true): New function.
 136         * combine.c (subst): Use targetm.modes_tieable_p instead of
 137         MODES_TIEABLE_P.
 138         * dse.c (find_shift_sequence): Likewise.
 139         * expmed.c (extract_low_bits): Likewise.
 140         * lower-subreg.c: Include target.h.
 141         (find_decomposable_subregs): Use targetm.modes_tieable_p instead of
 142         MODES_TIEABLE_P.
 143         * rtlanal.c (rtx_cost): Likewise.
 144         * config/aarch64/aarch64.h (MODES_TIEABLE_P): Delete.
 145         * config/aarch64/aarch64-protos.h (aarch64_modes_tieable_p): Delete.
 146         * config/aarch64/aarch64.c (aarch64_modes_tieable_p): Make static.
 147         (TARGET_MODES_TIEABLE_P): Redefine.
 148         * config/alpha/alpha.h (MODES_TIEABLE_P): Delete.
 149         * config/alpha/alpha.c (alpha_modes_tieable_p): New function.
 150         (TARGET_MODES_TIEABLE_P): Redefine.
 151         * config/arc/arc.h (MODES_TIEABLE_P): Delete.
 152         * config/arc/arc.c (TARGET_MODES_TIEABLE_P): Redefine.
 153         (arc_modes_tieable_p): New function.
 154         * config/arm/arm.h (MODES_TIEABLE_P): Delete.
 155         * config/arm/arm-protos.h (arm_modes_tieable_p): Delete.
 156         * config/arm/arm.c (TARGET_MODES_TIEABLE_P): Redefine.
 157         (arm_modes_tieable_p): Make static.
 158         * config/avr/avr.h (MODES_TIEABLE_P): Delete.
 159         * config/bfin/bfin.h (MODES_TIEABLE_P): Delete.
 160         * config/bfin/bfin.c (bfin_modes_tieable_p): New function.
 161         (TARGET_MODES_TIEABLE_P): Redefine.
 162         * config/c6x/c6x.h (MODES_TIEABLE_P): Delete.
 163         * config/c6x/c6x.c (c6x_modes_tieable_p): New function.
 164         (TARGET_MODES_TIEABLE_P): Redefine.
 165         * config/cr16/cr16.h (MODES_TIEABLE_P): Delete.
 166         * config/cr16/cr16.c (TARGET_MODES_TIEABLE_P): Redefine.
 167         (cr16_modes_tieable_p): New function.
 168         * config/cris/cris.h (MODES_TIEABLE_P): Delete.
 169         * config/epiphany/epiphany.h (MODES_TIEABLE_P): Delete.
 170         * config/fr30/fr30.h (MODES_TIEABLE_P): Delete.
 171         (TRULY_NOOP_TRUNCATION): Update comment.
 172         * config/frv/frv.h (MODES_TIEABLE_P): Delete.
 173         (TRULY_NOOP_TRUNCATION): Update comment.
 174         * config/frv/frv.c (TARGET_MODES_TIEABLE_P): Redefine.
 175         (frv_modes_tieable_p): New function.
 176         * config/ft32/ft32.h (MODES_TIEABLE_P): Delete.
 177         * config/h8300/h8300.h (MODES_TIEABLE_P): Delete.
 178         * config/h8300/h8300.c (h8300_modes_tieable_p): New function.
 179         (TARGET_MODES_TIEABLE_P): Redefine.
 180         * config/i386/i386.h (MODES_TIEABLE_P): Delete.
 181         * config/i386/i386-protos.h (ix86_modes_tieable_p): Delete.
 182         * config/i386/i386.c (ix86_modes_tieable_p): Make static.
 183         (TARGET_MODES_TIEABLE_P): Redefine.
 184         * config/ia64/ia64.h (MODES_TIEABLE_P): Delete.
 185         * config/ia64/ia64.c (TARGET_MODES_TIEABLE_P): Redefine.
 186         (ia64_modes_tieable_p): New function.
 187         * config/iq2000/iq2000.h (MODES_TIEABLE_P): Delete.
 188         * config/iq2000/iq2000.c (TARGET_MODES_TIEABLE_P): Redefine.
 189         (iq2000_modes_tieable_p): New function.
 190         * config/lm32/lm32.h (MODES_TIEABLE_P): Delete.
 191         * config/lm32/lm32.c (TARGET_MODES_TIEABLE_P): Redefine.
 192         (lm32_modes_tieable_p): New function.
 193         * config/m32c/m32c.h (MODES_TIEABLE_P): Delete.
 194         * config/m32c/m32c-protos.h (m32c_modes_tieable_p): Delete.
 195         * config/m32c/m32c.c (m32c_modes_tieable_p): Make static.
 196         (TARGET_MODES_TIEABLE_P): Redefine.
 197         * config/m32r/m32r.h (MODES_TIEABLE_P): Delete.
 198         * config/m32r/m32r.c (TARGET_MODES_TIEABLE_P): Redefine.
 199         (m32r_modes_tieable_p): New function.
 200         * config/m68k/m68k.h (MODES_TIEABLE_P): Delete.
 201         * config/m68k/m68k.c (TARGET_MODES_TIEABLE_P): Redefine.
 202         (m68k_modes_tieable_p): New function.
 203         * config/mcore/mcore.h (MODES_TIEABLE_P): Delete.
 204         * config/mcore/mcore.c (TARGET_MODES_TIEABLE_P): Redefine.
 205         (mcore_modes_tieable_p): New function.
 206         * config/microblaze/microblaze.h (MODES_TIEABLE_P): Delete.
 207         * config/microblaze/microblaze.c (microblaze_modes_tieable_p): New
 208         function.
 209         (TARGET_MODES_TIEABLE_P): Redefine.
 210         * config/mips/mips.h (MODES_TIEABLE_P): Delete.
 211         * config/mips/mips-protos.h (mips_modes_tieable_p): Delete.
 212         * config/mips/mips.c (mips_modes_tieable_p): Make static.
 213         (TARGET_MODES_TIEABLE_P): Redefine.
 214         * config/mmix/mmix.h (MODES_TIEABLE_P): Delete.
 215         * config/mn10300/mn10300.h (MODES_TIEABLE_P): Delete.
 216         * config/mn10300/mn10300-protos.h (mn10300_modes_tieable): Delete.
 217         * config/mn10300/mn10300.c (mn10300_modes_tieable): Rename to...
 218         (mn10300_modes_tieable_p): ...this and make static.
 219         (TARGET_MODES_TIEABLE_P): Redefine.
 220         * config/moxie/moxie.h (MODES_TIEABLE_P): Delete.
 221         * config/msp430/msp430.h (MODES_TIEABLE_P): Delete.
 222         * config/msp430/msp430-protos.h (msp430_modes_tieable_p): Delete.
 223         * config/msp430/msp430.c (TARGET_MODES_TIEABLE_P): Redefine.
 224         (msp430_modes_tieable_p): Make static.
 225         * config/nds32/nds32.h (MODES_TIEABLE_P): Delete.
 226         * config/nds32/nds32.c (nds32_modes_tieable_p): New function.
 227         (TARGET_MODES_TIEABLE_P): Redefine.
 228         * config/nios2/nios2.h (MODES_TIEABLE_P): Delete.
 229         * config/nvptx/nvptx.h (MODES_TIEABLE_P): Delete.
 230         * config/nvptx/nvptx.c (nvptx_modes_tieable_p): New function.
 231         (TARGET_MODES_TIEABLE_P): Redefine.
 232         * config/pa/pa.h (MODES_TIEABLE_P): Delete.
 233         * config/pa/pa-protos.h (pa_modes_tieable_p): Delete.
 234         * config/pa/pa.c (pa_modes_tieable_p): Make static.
 235         (TARGET_MODES_TIEABLE_P): Redefine.
 236         * config/pdp11/pdp11.h (MODES_TIEABLE_P): Delete.
 237         * config/pdp11/pdp11.c (TARGET_MODES_TIEABLE_P): Redefine.
 238         (pdp11_modes_tieable_p): New function.
 239         * config/powerpcspe/powerpcspe.h (MODES_TIEABLE_P): Delete.
 240         * config/powerpcspe/powerpcspe.c (TARGET_MODES_TIEABLE_P): Redefine.
 241         (rs6000_modes_tieable_p): New function.
 242         (rs6000_debug_reg_global): Use it instead of MODES_TIEABLE_P.
 243         * config/powerpcspe/powerpcspe.md: Update comment.
 244         * config/riscv/riscv.h (MODES_TIEABLE_P): Delete.
 245         * config/riscv/riscv.c (riscv_modes_tieable_p): New function.
 246         (TARGET_MODES_TIEABLE_P): Redefine.
 247         * config/rl78/rl78.h (MODES_TIEABLE_P): Delete.
 248         * config/rl78/rl78.c (TARGET_MODES_TIEABLE_P): Redefine.
 249         (rl78_modes_tieable_p): New function.
 250         * config/rs6000/rs6000.h (MODES_TIEABLE_P): Delete.
 251         * config/rs6000/rs6000.c (TARGET_MODES_TIEABLE_P): Redefine.
 252         (rs6000_modes_tieable_p): New function.
 253         (rs6000_debug_reg_global): Use it instead of MODES_TIEABLE_P.
 254         * config/rs6000/rs6000.md: Update comment.
 255         * config/rx/rx.h (MODES_TIEABLE_P): Delete.
 256         * config/rx/rx.c (rx_modes_tieable_p): New function.
 257         (TARGET_MODES_TIEABLE_P): Redefine.
 258         * config/s390/s390.h (MODES_TIEABLE_P): Delete.
 259         * config/s390/s390.c (s390_modes_tieable_p): New function.
 260         (TARGET_MODES_TIEABLE_P): Redefine.
 261         * config/sh/sh.h (MODES_TIEABLE_P): Delete.
 262         * config/sh/sh.c (TARGET_MODES_TIEABLE_P): Redefine.
 263         (sh_modes_tieable_p): New function.
 264         * config/sparc/sparc.h (MODES_TIEABLE_P): Delete.
 265         * config/sparc/sparc-protos.h (sparc_modes_tieable_p): Delete.
 266         * config/sparc/sparc.c (TARGET_MODES_TIEABLE_P): Redefine.
 267         (sparc_modes_tieable_p): Make static.
 268         * config/spu/spu.h (MODES_TIEABLE_P): Delete.
 269         * config/spu/spu.c (spu_modes_tieable_p): New function.
 270         (TARGET_MODES_TIEABLE_P): Redefine.
 271         * config/stormy16/stormy16.h (MODES_TIEABLE_P): Delete.
 272         * config/stormy16/stormy16.c (xstormy16_modes_tieable_p): New function.
 273         (TARGET_MODES_TIEABLE_P): Redefine.
 274         * config/tilegx/tilegx.h (MODES_TIEABLE_P): Delete.
 275         * config/tilepro/tilepro.h (MODES_TIEABLE_P): Delete.
 276         * config/v850/v850.h (MODES_TIEABLE_P): Delete.
 277         * config/v850/v850.c (v850_modes_tieable_p): New function.
 278         (TARGET_MODES_TIEABLE_P): Redefine.
 279         * config/vax/vax.h (MODES_TIEABLE_P): Delete.
 280         * config/visium/visium.h (MODES_TIEABLE_P): Delete.
 281         * config/visium/visium.c (TARGET_MODES_TIEABLE_P): Redefine.
 282         (visium_modes_tieable_p): New function.
 283         * config/xtensa/xtensa.h (MODES_TIEABLE_P): Delete.
 284         * config/xtensa/xtensa.c (TARGET_MODES_TIEABLE_P): Redefine.
 285         (xtensa_modes_tieable_p): New function.
 286         * system.h (MODES_TIEABLE_P): Poison.
 287
 288 2017-09-04  Richard Sandiford  <richard.sandiford@linaro.org>
 289             Alan Hayward  <alan.hayward@arm.com>
 290             David Sherwood  <david.sherwood@arm.com>
 291
 292         * target.def (hard_regno_mode_ok): New hook.
 293         * doc/tm.texi (HARD_REGNO_MODE_OK): Replace with...
 294         (TARGET_HARD_REGNO_MODE_OK): ...this.
 295         * doc/tm.texi.in: Regenerate.
 296         * hooks.h (hook_bool_uint_mode_true): Declare.
 297         * hooks.c (hook_bool_uint_mode_true): New function.
 298         * doc/md.texi: Refer to targetm.hard_regno_mode_ok instead of
 299         HARD_REGNO_MODE_OK.
 300         * genpreds.c (write_insn_preds_c): Add an include of target.h.
 301         * alias.c (init_alias_target): Use targetm.hard_regno_mode_ok
 302         instead of HARD_REGNO_MODE_OK.
 303         * caller-save.c: Include target.h.
 304         (reg_save_code): Use targetm.hard_regno_mode_ok instead of
 305         HARD_REGNO_MODE_OK.
 306         * combine.c (can_combine_p): Likewise.
 307         (combinable_i3pat): Likewise.
 308         (can_change_dest_mode): Likewise.
 309         * expr.c (init_expr_target): Likewise.
 310         (convert_move): Likewise.
 311         (convert_modes): Likewise.
 312         * ira.c (setup_prohibited_class_mode_regs): Likewise.
 313         (setup_prohibited_mode_move_regs): Likewise.
 314         * ira.h (target_ira): Likewise.
 315         * lra-assigns.c (find_hard_regno_for_1): Likewise.
 316         * lra-constraints.c (process_alt_operands): Likewise.
 317         (split_reg): Likewise.
 318         * recog.c (peep2_find_free_register): Likewise.
 319         * ree.c (combine_reaching_defs): Likewise.
 320         * regcprop.c (maybe_mode_change): Likewise.
 321         * reginfo.c (init_reg_sets_1): Likewise.
 322         (choose_hard_reg_mode): Likewise.
 323         (simplifiable_subregs): Likewise.
 324         * regrename.c (check_new_reg_p): Likewise.
 325         * reload.c (find_valid_class): Likewise.
 326         (find_valid_class_1): Likewise.
 327         (reload_inner_reg_of_subreg): Likewise.
 328         (push_reload): Likewise.
 329         (combine_reloads): Likewise.
 330         (find_dummy_reload): Likewise.
 331         (find_reloads): Likewise.
 332         * reload1.c (find_reg): Likewise.
 333         (set_reload_reg): Likewise.
 334         (allocate_reload_reg): Likewise.
 335         (choose_reload_regs): Likewise.
 336         (reload_adjust_reg_for_temp): Likewise.
 337         * rtlanal.c (subreg_size_offset_from_lsb): Likewise.
 338         (simplify_subreg_regno): Likewise.
 339         * sel-sched.c (init_regs_for_mode): Likewise.
 340         * varasm.c (make_decl_rtl): Likewise.
 341         * config/aarch64/aarch64.h (HARD_REGNO_MODE_OK): Delete.
 342         (MODES_TIEABLE_P): Use targetm.hard_regno_mode_ok instead of
 343         HARD_REGNO_MODE_OK.
 344         * config/aarch64/aarch64-protos.h (aarch64_hard_regno_mode_ok): Delete.
 345         * config/aarch64/aarch64.c (aarch64_hard_regno_mode_ok): Make static.
 346         (TARGET_HARD_REGNO_MODE_OK): Redefine.
 347         * config/alpha/alpha.h (HARD_REGNO_MODE_OK): Delete.
 348         * config/alpha/alpha.c (alpha_hard_regno_mode_ok): New function.
 349         (TARGET_HARD_REGNO_MODE_OK): Redefine.
 350         * config/arc/arc.h (arc_hard_regno_mode_ok): Delete.
 351         (arc_mode_class): Delete.
 352         (HARD_REGNO_MODE_OK): Delete.
 353         * config/arc/arc.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
 354         (arc_hard_regno_mode_ok): Rename old array to...
 355         (arc_hard_regno_mode_ok_modes): ...this.
 356         (arc_conditional_register_usage): Update accordingly.
 357         (arc_mode_class): Make static.
 358         (arc_hard_regno_mode_ok): New function.
 359         * config/arm/arm.h (HARD_REGNO_MODE_OK): Delete.
 360         * config/arm/arm-protos.h (arm_hard_regno_mode_ok): Delete.
 361         * config/arm/arm.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
 362         (arm_hard_regno_mode_ok): Make static.
 363         * config/arm/arm.md (movdi): Use targetm.hard_regno_mode_ok instead of
 364         HARD_REGNO_MODE_OK.
 365         * config/avr/avr-protos.h (avr_hard_regno_mode_ok): Delete.
 366         * config/avr/avr.h (HARD_REGNO_MODE_OK): Delete.
 367         * config/avr/avr.c (avr_hard_regno_mode_ok): Make static and
 368         return a bool.
 369         (TARGET_HARD_REGNO_MODE_OK): Redefine.
 370         * config/bfin/bfin-protos.h (hard_regno_mode_ok): Delete.
 371         * config/bfin/bfin.h (HARD_REGNO_MODE_OK): Delete.
 372         * config/bfin/bfin.c (hard_regno_mode_ok): Rename to...
 373         (bfin_hard_regno_mode_ok): ...this.  Make static and return a bool.
 374         (TARGET_HARD_REGNO_MODE_OK): Redefine.
 375         * config/bfin/predicates.md (valid_reg_operand): Use
 376         targetm.hard_regno_mode_ok instead of HARD_REGNO_MODE_OK.
 377         * config/c6x/c6x.h (HARD_REGNO_MODE_OK): Delete.
 378         * config/c6x/c6x.c (c6x_hard_regno_mode_ok): New function.
 379         (TARGET_HARD_REGNO_MODE_OK): Redefine.
 380         * config/cr16/cr16.h (HARD_REGNO_MODE_OK): Delete.
 381         * config/cr16/cr16-protos.h (cr16_hard_regno_mode_ok): Delete.
 382         * config/cr16/cr16.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
 383         (cr16_hard_regno_mode_ok): Make static and return a bool.
 384         * config/cris/cris.h (HARD_REGNO_MODE_OK): Delete.
 385         * config/cris/cris.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
 386         (cris_hard_regno_mode_ok): New function.
 387         * config/epiphany/epiphany.h (epiphany_hard_regno_mode_ok): Delete.
 388         (epiphany_mode_class): Delete.
 389         (HARD_REGNO_MODE_OK): Delete.
 390         * config/epiphany/epiphany-protos.h (hard_regno_mode_ok): Delete.
 391         * config/epiphany/epiphany.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
 392         (hard_regno_mode_ok): Rename to...
 393         (epiphany_hard_regno_mode_ok): ...this.  Make static and return a bool.
 394         * config/fr30/fr30.h (HARD_REGNO_MODE_OK): Delete.
 395         * config/fr30/fr30.md: Refer to targetm.hard_regno_mode_ok instead of
 396         HARD_REGNO_MODE_OK.
 397         * config/frv/frv.h (HARD_REGNO_MODE_OK): Delete.
 398         * config/frv/frv-protos.h (frv_hard_regno_mode_ok): Delete.
 399         * config/frv/frv.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
 400         (frv_hard_regno_mode_ok): Make static and return a bool.
 401         * config/frv/frv.md: Refer to targetm.hard_regno_mode_ok instead of
 402         HARD_REGNO_MODE_OK.
 403         * config/ft32/ft32.h (HARD_REGNO_MODE_OK): Delete.
 404         * config/h8300/h8300.h (HARD_REGNO_MODE_OK): Delete.
 405         * config/h8300/h8300-protos.h (h8300_hard_regno_mode_ok): Delete.
 406         * config/h8300/h8300.c (h8300_hard_regno_mode_ok): Make static
 407         and return a bool.
 408         (TARGET_HARD_REGNO_MODE_OK): Redefine.
 409         * config/i386/i386.h (HARD_REGNO_MODE_OK): Delete.
 410         * config/i386/i386-protos.h (ix86_hard_regno_mode_ok): Delete.
 411         * config/i386/i386.c (ix86_hard_regno_mode_ok): Make static and
 412         return a bool.
 413         (TARGET_HARD_REGNO_MODE_OK): Redefine.
 414         * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Delete.
 415         * config/ia64/ia64.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
 416         (ia64_hard_regno_mode_ok): New function.
 417         * config/iq2000/iq2000.h (HARD_REGNO_MODE_OK): Delete.
 418         * config/iq2000/iq2000.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
 419         (iq2000_hard_regno_mode_ok): New function.
 420         * config/lm32/lm32.h (HARD_REGNO_MODE_OK): Delete.
 421         * config/lm32/lm32.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
 422         (lm32_hard_regno_mode_ok): New function.
 423         * config/m32c/m32c.h (HARD_REGNO_MODE_OK): Delete.
 424         * config/m32c/m32c-protos.h (m32c_hard_regno_ok): Delete.
 425         * config/m32c/m32c.c (class_can_hold_mode): Use m32c_hard_regno_mode_ok
 426         instead of HARD_REGNO_MODE_OK.
 427         (m32c_hard_regno_ok): Rename to...
 428         (m32c_hard_regno_mode_ok): ...this.  Make static and return a bool.
 429         (m32c_cannot_change_mode_class): Update accordingly.
 430         (TARGET_HARD_REGNO_MODE_OK): Redefine.
 431         * config/m32r/m32r.h (m32r_hard_regno_mode_ok): Delete.
 432         (m32r_mode_class): Delete.
 433         (HARD_REGNO_MODE_OK): Delete.
 434         * config/m32r/m32r.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
 435         (m32r_hard_regno_mode_ok): Rename to...
 436         (m32r_hard_regno_modes): ...this.
 437         (m32r_mode_class): Make static.
 438         (m32r_hard_regno_mode_ok): New function.
 439         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Delete.
 440         * config/m68k/m68k-protos.h (m68k_regno_mode_ok): Delete.
 441         * config/m68k/m68k.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
 442         (m68k_hard_regno_mode_ok): Make static.
 443         * config/mcore/mcore.h (HARD_REGNO_MODE_OK): Delete.
 444         * config/mcore/mcore.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
 445         (mcore_hard_regno_mode_ok): New function.
 446         * config/microblaze/microblaze.h (microblaze_hard_regno_mode_ok)
 447         (HARD_REGNO_MODE_OK): Delete.
 448         * config/microblaze/microblaze.c (microblaze_hard_regno_mode_ok):
 449         Rename to...
 450         (microblaze_hard_regno_mode_ok_p): ...this and make static.
 451         (microblaze_hard_regno_mode_ok): New function.
 452         (TARGET_HARD_REGNO_MODE_OK): Redefine.
 453         * config/mips/mips.h (HARD_REGNO_MODE_OK): Delete.
 454         (mips_hard_regno_mode_ok): Delete.
 455         * config/mips/mips.c (mips_hard_regno_mode_ok): Rename to...
 456         (mips_hard_regno_mode_ok_p): ...this and make static.
 457         (mips_hard_regno_mode_ok_p): Rename to...
 458         (mips_hard_regno_mode_ok_uncached): ...this.
 459         (mips_hard_regno_mode_ok): New function.
 460         (mips_class_max_nregs): Use mips_hard_regno_mode_ok instead
 461         of HARD_REGNO_MODE_OK.
 462         (mips_option_override): Update after above name changes.
 463         (TARGET_HARD_REGNO_MODE_OK): Redefine.
 464         * config/mmix/mmix.h (HARD_REGNO_MODE_OK): Delete.
 465         * config/mn10300/mn10300.h (HARD_REGNO_MODE_OK): Delete.
 466         * config/mn10300/mn10300-protos.h (mn10300_hard_regno_mode_ok): Delete.
 467         * config/mn10300/mn10300.c (mn10300_hard_regno_mode_ok): Make static.
 468         (TARGET_HARD_REGNO_MODE_OK): Redefine.
 469         * config/moxie/moxie.h (HARD_REGNO_MODE_OK): Delete.
 470         * config/msp430/msp430.h (HARD_REGNO_MODE_OK): Delete.
 471         * config/msp430/msp430-protos.h (msp430_hard_regno_mode_ok): Delete.
 472         * config/msp430/msp430.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
 473         (msp430_hard_regno_mode_ok): Make static and return a bool.
 474         * config/nds32/nds32.h (HARD_REGNO_MODE_OK): Delete.
 475         * config/nds32/nds32-protos.h (nds32_hard_regno_mode_ok): Delete.
 476         * config/nds32/nds32.c (nds32_hard_regno_mode_ok): Make static
 477         and return a bool.
 478         (TARGET_HARD_REGNO_MODE_OK): Redefine.
 479         * config/nios2/nios2.h (HARD_REGNO_MODE_OK): Delete.
 480         * config/nvptx/nvptx.h (HARD_REGNO_MODE_OK): Delete.
 481         * config/pa/pa.h (MODES_TIEABLE_P): Update commentary.
 482         * config/pa/pa32-regs.h (HARD_REGNO_MODE_OK): Rename to...
 483         (PA_HARD_REGNO_MODE_OK): ...this
 484         * config/pa/pa64-regs.h (HARD_REGNO_MODE_OK): Rename to...
 485         (PA_HARD_REGNO_MODE_OK): ...this.
 486         * config/pa/pa.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
 487         (pa_hard_regno_mode_ok): New function.
 488         * config/pdp11/pdp11.h (HARD_REGNO_MODE_OK): Delete.
 489         * config/pdp11/pdp11.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
 490         (pdp11_hard_regno_mode_ok): New function.
 491         * config/powerpcspe/powerpcspe.h (HARD_REGNO_MODE_OK): Delete.
 492         * config/powerpcspe/powerpcspe-protos.h (rs6000_hard_regno_mode_ok_p):
 493         Delete.
 494         * config/powerpcspe/powerpcspe.c (rs6000_hard_regno_mode_ok_p):
 495         Make static.
 496         (TARGET_HARD_REGNO_MODE_OK): Redefine.
 497         (rs6000_hard_regno_mode_ok): Rename to...
 498         (rs6000_hard_regno_mode_ok_uncached): ...this.
 499         (rs6000_init_hard_regno_mode_ok): Update accordingly.
 500         (rs6000_hard_regno_mode_ok): New function.
 501         * config/riscv/riscv.h (HARD_REGNO_MODE_OK): Delete.
 502         * config/riscv/riscv-protos.h (riscv_hard_regno_mode_ok_p): Delete.
 503         * config/riscv/riscv.c (riscv_hard_regno_mode_ok_p): Rename to...
 504         (riscv_hard_regno_mode_ok): ...this and make static.
 505         (TARGET_HARD_REGNO_MODE_OK): Redefine.
 506         * config/rl78/rl78.h (HARD_REGNO_MODE_OK): Delete.
 507         * config/rl78/rl78-protos.h (rl78_hard_regno_mode_ok): Delete.
 508         * config/rl78/rl78.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
 509         (rl78_hard_regno_mode_ok): Make static and return bool.
 510         * config/rs6000/rs6000.h (HARD_REGNO_MODE_OK): Delete.
 511         * config/rs6000/rs6000-protos.h (rs6000_hard_regno_mode_ok_p):
 512         Delete.
 513         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok_p): Make static.
 514         (TARGET_HARD_REGNO_MODE_OK): Redefine.
 515         (rs6000_hard_regno_mode_ok): Rename to...
 516         (rs6000_hard_regno_mode_ok_uncached): ...this.
 517         (rs6000_init_hard_regno_mode_ok): Update accordingly.
 518         (rs6000_hard_regno_mode_ok): New function.
 519         * config/rx/rx.h (HARD_REGNO_MODE_OK): Delete.
 520         * config/rx/rx.c (rx_hard_regno_mode_ok): New function.
 521         (TARGET_HARD_REGNO_MODE_OK): Redefine.
 522         * config/s390/s390.h (HARD_REGNO_MODE_OK): Delete.
 523         * config/s390/s390-protos.h (s390_hard_regno_mode_ok): Delete.
 524         * config/s390/s390.c (s390_hard_regno_mode_ok): Make static.
 525         (TARGET_HARD_REGNO_MODE_OK): Redefine.
 526         * config/sh/sh.h (HARD_REGNO_MODE_OK): Delete.
 527         * config/sh/sh-protos.h (sh_hard_regno_mode_ok): Delete.
 528         * config/sh/sh.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
 529         (sh_hard_regno_mode_ok): Make static.
 530         * config/sparc/constraints.md: Refer to targetm.hard_regno_mode_ok
 531         instead of HARD_REGNO_MODE_OK.
 532         * config/sparc/sparc.h (hard_regno_mode_classes): Delete.
 533         (sparc_mode_class): Delete.
 534         (HARD_REGNO_MODE_OK): Delete.
 535         * config/sparc/sparc.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
 536         (hard_regno_mode_classes): Make static.
 537         (sparc_mode_class): Likewise.
 538         (sparc_hard_regno_mode_ok): New function.
 539         * config/spu/spu.h (HARD_REGNO_MODE_OK): Delete.
 540         * config/stormy16/stormy16.h (HARD_REGNO_MODE_OK): Delete.
 541         * config/stormy16/stormy16.c (xstormy16_hard_regno_mode_ok): New
 542         function.
 543         (TARGET_HARD_REGNO_MODE_OK): Redefine.
 544         * config/tilegx/tilegx.h (HARD_REGNO_MODE_OK): Delete.
 545         * config/tilepro/tilepro.h (HARD_REGNO_MODE_OK): Delete.
 546         * config/v850/v850.h (HARD_REGNO_MODE_OK): Delete.
 547         * config/v850/v850.c (v850_hard_regno_mode_ok): New function.
 548         (TARGET_HARD_REGNO_MODE_OK): Redefine.
 549         * config/vax/vax.h (HARD_REGNO_MODE_OK): Delete.
 550         * config/visium/visium.h (HARD_REGNO_MODE_OK): Delete.
 551         * config/visium/visium.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
 552         (visium_hard_regno_mode_ok): New function.
 553         * config/visium/visium.md: Refer to targetm.hard_regno_mode_ok
 554         instead of HARD_REGNO_MODE_OK.
 555         * config/xtensa/xtensa.h (xtensa_hard_regno_mode_ok): Delete.
 556         (HARD_REGNO_MODE_OK): Delete.
 557         * config/xtensa/xtensa.c (xtensa_hard_regno_mode_ok): Rename to...
 558         (xtensa_hard_regno_mode_ok_p): ...this and make static.
 559         (xtensa_option_override): Update accordingly.
 560         (TARGET_HARD_REGNO_MODE_OK): Redefine.
 561         (xtensa_hard_regno_mode_ok): New function.
 562         * system.h (HARD_REGNO_MODE_OK): Poison.
 563
 564 2017-09-04  Richard Sandiford  <richard.sandiford@linaro.org>
 565             Alan Hayward  <alan.hayward@arm.com>
 566             David Sherwood  <david.sherwood@arm.com>
 567
 568         * target.def (hard_regno_call_part_clobbered): New hook.
 569         * doc/tm.texi.in (HARD_REGNO_CALL_PART_CLOBBERED): Replace with...
 570         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): ...this hook.
 571         * doc/tm.texi: Regenerate.
 572         * hooks.h (hook_bool_uint_mode_false): Declare.
 573         * hooks.c (hook_bool_uint_mode_false): New function.
 574         * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
 575         * cselib.c (cselib_process_insn): Use
 576         targetm.hard_regno_call_part_clobbered instead of
 577         HARD_REGNO_CALL_PART_CLOBBERED.
 578         * ira-conflicts.c (ira_build_conflicts): Likewise.
 579         * ira-costs.c (ira_tune_allocno_costs): Likewise.
 580         * lra-constraints.c (need_for_call_save_p): Likewise.
 581         * lra-lives.c: Include target.h.
 582         (check_pseudos_live_through_calls): Use
 583         targetm.hard_regno_call_part_clobbered instead of
 584         HARD_REGNO_CALL_PART_CLOBBERED.
 585         * regcprop.c: Include target.h.
 586         (copyprop_hardreg_forward_1): Use
 587         targetm.hard_regno_call_part_clobbered instead of
 588         HARD_REGNO_CALL_PART_CLOBBERED.
 589         * reginfo.c (choose_hard_reg_mode): Likewise.
 590         * regrename.c (check_new_reg_p): Likewise.
 591         * reload.c (find_equiv_reg): Likewise.
 592         * reload1.c (emit_reload_insns): Likewise.
 593         * sched-deps.c (deps_analyze_insn): Likewise.
 594         * sel-sched.c (init_regs_for_mode): Likewise.
 595         (mark_unavailable_hard_regs): Likewise.
 596         * targhooks.c (default_dwarf_frame_reg_mode): Likewise.
 597         * config/aarch64/aarch64.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
 598         * config/aarch64/aarch64.c (aarch64_hard_regno_call_part_clobbered):
 599         New function.
 600         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
 601         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
 602         * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered):
 603         Delete.
 604         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): Make static
 605         and return a bool.
 606         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
 607         * config/i386/i386.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
 608         * config/i386/i386.c (ix86_hard_regno_call_part_clobbered): New
 609         function.
 610         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
 611         * config/mips/mips.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
 612         * config/mips/mips.c (mips_hard_regno_call_part_clobbered): New
 613         function.
 614         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
 615         * config/powerpcspe/powerpcspe.h (HARD_REGNO_CALL_PART_CLOBBERED):
 616         Delete.
 617         * config/powerpcspe/powerpcspe.c
 618         (rs6000_hard_regno_call_part_clobbered): New function.
 619         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
 620         * config/rs6000/rs6000.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
 621         * config/rs6000/rs6000.c (rs6000_hard_regno_call_part_clobbered):
 622         New function.
 623         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
 624         * config/s390/s390.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
 625         * config/s390/s390.c (s390_hard_regno_call_part_clobbered): New
 626         function.
 627         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
 628         * config/sh/sh.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
 629         * system.h (HARD_REGNO_CALL_PART_CLOBBERED): Poison.
 630
 631 2017-09-04  Richard Sandiford  <richard.sandiford@linaro.org>
 632             Alan Hayward  <alan.hayward@arm.com>
 633             David Sherwood  <david.sherwood@arm.com>
 634
 635         * rtl.h (subreg_memory_offset): Declare.
 636         * emit-rtl.c (subreg_memory_offset): New function.
 637         * expmed.c (store_bit_field_1): Use it.
 638         * expr.c (undefined_operand_subword_p): Likewise.
 639         * simplify-rtx.c (simplify_subreg): Likewise.
 640
 641 2017-09-04  Alexander Monakov  <amonakov@ispras.ru>
 642
 643         PR rtl-optimization/57448
 644         PR target/67458
 645         PR target/81316
 646         * optabs.c (expand_atomic_load): Place compiler memory barriers if
 647         using atomic_load pattern.
 648         (expand_atomic_store): Likewise.
 649
 650 2017-09-04  Jakub Jelinek  <jakub@redhat.com>
 651
 652         PR sanitizer/81981
 653         * gimple-fold.c (gimple_fold_call): Optimize away useless UBSAN_PTR
 654         and UBSAN_BOUNDS internal calls.  Clean up IFN_UBSAN_OBJECT_SIZE
 655         handling.  Use replace_call_with_value with NULL instead of
 656         gsi_replace, unlink_stmt_vdef and release_defs.
 657
 658         * gdbhooks.py (OptMachineModePrinter.to_string): Use 8 spaces
 659         instead of tab.
 660
 661         * lra-remat.c (reg_overlap_for_remat_p): Fix a pasto.
 662
 663 2017-09-04  Richard Sandiford  <richard.sandiford@linaro.org>
 664
 665         PR bootstrap/82045
 666         * rtl.h (emit_library_call_value_1): Declare.
 667         (emit_library_call): Replace declaration with a series of overloads.
 668         Remove the parameter count argument.
 669         (emit_library_call_value): Likewise.
 670         * calls.c (emit_library_call_value_1): Make global.  Replace varargs
 671         with an "rtx_mode_t *".
 672         (emit_library_call_value): Delete.
 673         (emit_library_call): Likewise.
 674         * asan.c (asan_emit_stack_protection): Update calls accordingly.
 675         (asan_emit_allocas_unpoison): Likewise.
 676         * builtins.c (expand_builtin_powi): Likewise.
 677         (expand_asan_emit_allocas_unpoison): Likewise.
 678         * cfgexpand.c (expand_main_function): Likewise.
 679         * config/aarch64/aarch64.c (aarch64_trampoline_init): Likewise.
 680         * config/aarch64/aarch64.h (PROFILE_HOOK): Likewise.
 681         * config/alpha/alpha.c (alpha_trampoline_init): Likewise.
 682         * config/arm/arm.c (arm_trampoline_init): Likewise.
 683         (arm_call_tls_get_addr): Likewise.
 684         (arm_expand_divmod_libfunc): Likewise.
 685         * config/bfin/bfin.md (umulsi3_highpart): Likewise.
 686         (smulsi3_highpart): Likewise.
 687         * config/c6x/c6x.c (c6x_initialize_trampoline): Likewise.
 688         (c6x_expand_compare): Likewise.
 689         (c6x_expand_movmem): Likewise.
 690         * config/frv/frv.c (frv_trampoline_init): Likewise.
 691         * config/i386/i386.c (ix86_trampoline_init): Likewise.
 692         (ix86_expand_divmod_libfunc): Likewise.
 693         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
 694         (ia64_expand_compare): Likewise.
 695         (ia64_profile_hook): Likewise.
 696         * config/ia64/ia64.md (save_stack_nonlocal): Likewise.
 697         (nonlocal_goto): Likewise.
 698         (restore_stack_nonlocal): Likewise.
 699         * config/m32r/m32r.c (block_move_call): Likewise.
 700         (m32r_trampoline_init): Likewise.
 701         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Likewise.
 702         * config/m68k/m68k.c (m68k_call_tls_get_addr): Likewise.
 703         (m68k_call_m68k_read_tp): Likewise.
 704         * config/microblaze/microblaze.c (microblaze_call_tls_get_addr)
 705         (microblaze_expand_divide): Likewise.
 706         * config/mips/mips.h (mips_args): Likewise.
 707         * config/mips/sdemtk.h (mips_sync_icache): Likewise.
 708         (MIPS_ICACHE_SYNC): Likewise.
 709         * config/nios2/nios2.c (nios2_emit_expensive_div): Likewise.
 710         (nios2_trampoline_init): Likewise.
 711         * config/pa/pa.c (hppa_tls_call): Likewise.
 712         (pa_trampoline_init): Likewise.
 713         * config/pa/pa.md (canonicalize_funcptr_for_compare): Likewise.
 714         * config/powerpcspe/powerpcspe.c (rs6000_legitimize_tls_address)
 715         (expand_strn_compare): Likewise.
 716         (rs6000_generate_compare): Likewise.
 717         (rs6000_expand_float128_convert): Likewise.
 718         (output_profile_hook): Likewise.
 719         (rs6000_trampoline_init): Likewise.
 720         * config/powerpcspe/powerpcspe.md (neg<mode>2): Likewise.
 721         * config/riscv/riscv.h (PROFILE_HOOK): Likewise.
 722         * config/rs6000/rs6000-string.c (expand_strn_compare): Likewise.
 723         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
 724         (rs6000_generate_compare): Likewise.
 725         (rs6000_expand_float128_convert): Likewise.
 726         (output_profile_hook): Likewise.
 727         (rs6000_trampoline_init): Likewise.
 728         * config/rs6000/rs6000.md (neg<mode>2): Likewise.
 729         * config/sh/sh.c (sh_trampoline_init): Likewise.
 730         * config/sparc/sparc.c (emit_soft_tfmode_libcall): Likewise.
 731         (sparc_emit_float_lib_cmp): Likewise.
 732         (sparc32_initialize_trampoline): Likewise.
 733         (sparc64_initialize_trampoline): Likewise.
 734         (sparc_profile_hook): Likewise.
 735         * config/spu/spu.c (ea_load_store): Likewise.
 736         * config/spu/spu.md (floatunssidf2): Likewise.
 737         * config/tilegx/tilegx.c (tilegx_trampoline_init): Likewise.
 738         * config/tilepro/tilepro.c (tilepro_trampoline_init): Likewise.
 739         * config/visium/visium.c (expand_block_move_4): Likewise.
 740         (expand_block_move_2): Likewise.
 741         (expand_block_move_1): Likewise.
 742         (expand_block_set_4): Likewise.
 743         (expand_block_set_2): Likewise.
 744         (expand_block_set_1): Likewise.
 745         (visium_trampoline_init): Likewise.
 746         (visium_profile_hook): Likewise.
 747         * config/xtensa/xtensa.c (xtensa_expand_nonlocal_goto): Likewise.
 748         (xtensa_setup_frame_addresses): Likewise.
 749         (xtensa_trampoline_init): Likewise.
 750         * except.c (sjlj_emit_function_enter): Likewise.
 751         (sjlj_emit_function_exit): Likewise.
 752         * explow.c (allocate_dynamic_stack_space): Likewise.
 753         (probe_stack_range): Likewise.
 754         * expr.c (convert_mode_scalar): Likewise.
 755         * optabs.c (expand_binop): Likewise.
 756         (expand_twoval_binop_libfunc): Likewise.
 757         (expand_unop): Likewise.
 758         (prepare_cmp_insn): Likewise.
 759         (prepare_float_lib_cmp): Likewise.
 760         (expand_float): Likewise.
 761         (expand_fix): Likewise.
 762         (expand_fixed_convert): Likewise.
 763         (maybe_emit_sync_lock_test_and_set): Likewise.
 764         (expand_atomic_compare_and_swap): Likewise.
 765         (expand_mem_thread_fence): Likewise.
 766         (expand_atomic_fetch_op): Likewise.
 767
 768 2017-09-03  Gerald Pfeifer  <gerald@pfeifer.com>
 769
 770         * doc/generic.texi (OpenACC): Adjust URL.
 771         * doc/invoke.texi (C Dialect Options): Ditto.
 772
 773 2017-09-03  Uros Bizjak  <ubizjak@gmail.com>
 774
 775         * config/i386/i386.md (*bt<mode>): Use nonimmediate_operand
 776         predicate for operand 1.  Add (m,<S>) constraint.
 777         (*jcc_bt<mode>): Use nonimmediate_operand predicate for operand 1.
 778         Prevent memory operand 1 with register operand 2.
 779
 780 2017-09-01  Segher Boessenkool  <segher@kernel.crashing.org>
 781
 782         PR rtl-optimization/82024
 783         * combine.c (try_combine): If the combination result is a PARALLEL,
 784         and we only need to retain the SET in there that would be placed
 785         at I2, check that we can place that at I3 instead, before doing so.
 786
 787 2017-09-01  Jakub Jelinek  <jakub@redhat.com>
 788
 789         PR target/81766
 790         * config/i386/i386.c (ix86_init_large_pic_reg): Return label
 791         instead of void.
 792         (ix86_init_pic_reg): Remember label from ix86_init_large_pic_reg,
 793         if non-NULL and preceded by NOTE_INSN_BASIC_BLOCK, swap the note
 794         and label.
 795
 796 2017-09-01  Joerg Sonnenberger  <joerg@bec.de>
 797             Jeff Law  <law@redhat.com>
 798
 799         * varasm.c (bss_initializer_p): Do not put constants into .bss
 800         (categorize_decl_for_section): Handle bss_initializer_p returning
 801         false when DECL_INITIAL is NULL.
 802
 803 2017-09-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
 804
 805         PR target/82012
 806         * config/s390/s390.c (s390_can_inline_p): New function.
 807
 808 2017-09-01  Jeff Law  <law@redhat.com>
 809
 810         PR tree-optimization/82052
 811         * tree-ssa-scopedtables.c (avail_exprs_stack::lookup_avail_expr):
 812         Always initialize the returned slot after a hash table miss
 813         when INSERT is true.
 814
 815 2017-09-01  Alexander Monakov  <amonakov@ispras.ru>
 816
 817         * config/s390/s390.md (mem_signal_fence): Remove.
 818         * doc/md.texi (mem_signal_fence): Remove.
 819         * optabs.c (expand_mem_signal_fence): Remove uses of mem_signal_fence.
 820         Update comments.
 821         * target-insns.def (mem_signal_fence): Remove.
 822
 823 2017-09-01  Jakub Jelinek  <jakub@redhat.com>
 824
 825         PR sanitizer/81902
 826         * doc/invoke.texi: Document -fsanitize=pointer-overflow.
 827
 828         PR sanitizer/81923
 829         * asan.c (create_odr_indicator): Strip name encoding from assembler
 830         name before appending it after __odr_asan_.
 831
 832 2017-09-01  Martin Liska  <mliska@suse.cz>
 833
 834         PR tree-optimization/82059
 835         * gimple-ssa-isolate-paths.c (isolate_path): Add profile and
 836         frequency only when an edge is redirected.
 837
 838 2017-09-01  Claudiu Zissulescu  <claziss@synopsys.com>
 839
 840         * config/arc/arc-c.c (__ARC_LPC_WIDTH__): Add builtin define.
 841         * config/arc/arc.c (ARC_MAX_LOOP_LENGTH): Define.
 842         (arc_conditional_register_usage): Remove ARC600 lp_count
 843         exception.
 844         (arc_file_start): Emit Tag_ARC_CPU_variation.
 845         (arc_can_use_doloop_p): New conditions to use ZOLs.
 846         (hwloop_fail): New function.
 847         (hwloop_optimize): Likewise.
 848         (hwloop_pattern_reg): Likewise.
 849         (arc_doloop_hooks): New struct, to be used with reorg_loops.
 850         (arc_reorg_loops): New function, calls reorg_loops.
 851         (arc_reorg): Call arc_reorg_loops.  Remove old ZOL handling.
 852         (arc600_corereg_hazard): Remove ZOL checking, case handled by
 853         hwloop_optimize.
 854         (arc_loop_hazard): Remove function, functionality moved into
 855         hwloop_optimize.
 856         (arc_hazard): Remove arc_loop_hazard call.
 857         (arc_adjust_insn_length): Remove ZOL handling, functionality moved
 858         into hwloop_optimize.
 859         (arc_label_align): Remove ZOL handling.
 860         * config/arc/arc.h (LOOP_ALIGN): Changed to 0.
 861         * config/arc/arc.md (doloop_begin): Remove pattern.
 862         (doloop_begin_i): Likewise.
 863         (doloop_end_i): Likewise.
 864         (doloop_fallback): Likewise.
 865         (doloop_fallback_m): Likewise.
 866         (doloop_end): Reimplement expand.
 867         (arc_lp): New pattern for LP instruction.
 868         (loop_end): New pattern.
 869         (loop_fail): Likewise.
 870         (decrement_and_branch_until_zero): Likewise.
 871         * config/arc/arc.opt (mlpc-width): New option.
 872         * doc/invoke.texi (mlpc-width): Document option.
 873
 874 2017-09-01  Claudiu Zissulescu  <claziss@synopsys.com>
 875
 876         * config/arc/arc.c (arc_ifcvt): Remove use of merge_blocks call.
 877         (arc_ccfsm_advance): Fix checking for delay slots.
 878         (arc_reorg): Add rtl dump after each call to arc_ifcvt.
 879
 880 2017-09-01  Claudiu Zissulescu  <claziss@synopsys.com>
 881
 882         * config/arc/arc.md (movqi_insn): Add stores to save constant long
 883         immediates.
 884         (movhi_insn): Update store instruction constraint which are saving
 885         6-bit short immediates.
 886         (movsi_insn): Consider also short scaled load operations.
 887         (zero_extendhisi2_i): Use Usd constraint instead of T.
 888         (extendhisi2_i): Add q constraint.
 889         (arc_clzsi2): Add type and length attributes.
 890         (arc_ctzsi2): Likewise.
 891         * config/arc/constraints.md (Usc): Update constraint, the
 892         assembler can parse two relocations for a single instruction.
 893
 894 2017-09-01  Claudiu Zissulescu  <claziss@synopsys.com>
 895
 896         * config/arc/arc.c (arc_use_anchors_for_symbol_p): New function.
 897         (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Define.
 898
 899 2017-08-31  Olivier Hainque  <hainque@adacore.com>
 900
 901         * config.gcc (powerpc-wrs-vxworks|vxworksae|vxworksmils): Now
 902         match as powerpc-wrs-vxworks*.
 903
 904 2017-08-31  James Greenhalgh  <james.greenhalgh@arm.com>
 905
 906         * config/aarch64/aarch64-simd.md (aarch64_mla_elt_merge<mode>): Fix
 907         register constraint for by-element operand.
 908         (aarch64_mls_elt_merge<mode>): Likewise.
 909
 910 2017-08-31  Claudiu Zissulescu  <claziss@synopsys.com>
 911
 912         * config/arc/arc.c (arc_can_follow_jump): Check for short
 913         branches.
 914
 915 2017-08-31  Claudiu Zissulescu  <claziss@synopsys.com>
 916
 917         * config.gcc: Use g.opt for arc.
 918         * config/arc/arc.c (LEGITIMATE_SCALED_ADDRESS_P): Deleted,
 919         functionality moved to ...
 920         (legitimate_scaled_address_p): New function, ...here.
 921         (LEGITIMATE_SMALL_DATA_OFFSET_P): New define.
 922         (LEGITIMATE_SMALL_DATA_ADDRESS_P): Use the above define.
 923         (legitimate_offset_address_p): Delete TARGET_NO_SDATA_SET
 924         condition.
 925         (arc_override_options): Handle G option.
 926         (arc_output_pic_addr_const): Correct function definition.
 927         (arc_legitimate_address_p): Use legitimate_scaled_address_p.
 928         (arc_decl_anon_ns_mem_p): Delete.
 929         (arc_in_small_data_p): Overhaul this function to take into
 930         consideration the value given via G option.
 931         (arc_rewrite_small_data_1): Renamed and corrected old
 932         arc_rewrite_small_data function.
 933         (arc_rewrite_small_data): New function.
 934         (small_data_pattern): Don't use pic_offset_table_rtx.
 935         * config/arc/arc.h (CC1_SPEC): Recognize G option.
 936         * config/arc/simdext.md (movmisalignv2hi): Use
 937         prepare_move_operands function.
 938         (mov*): Likewise.
 939         (movmisalign*): Likewise.
 940         * doc/invoke.texi (ARC options): Document -G option.
 941
 942 2017-08-31  Claudiu Zissulescu  <claziss@synopsys.com>
 943
 944         * config/arc/arc-protos.h (compact_sda_memory_operand): Update
 945         prototype.
 946         * config/arc/arc.c (arc_print_operand): Output scalled address for
 947         sdata whenever is possible.
 948         (arc_in_small_data_p): Allow sdata for 64bit datum when double
 949         load/stores are available.
 950         (compact_sda_memory_operand): Check for the alignment required by
 951         code density instructions.
 952         * config/arc/arc.md (movsi_insn): Use newly introduced Us0
 953         constraint.
 954         * config/arc/constraints.md (Usd): Update constraint.
 955         (Us0): New constraint.
 956         (Usc): Update constraint.
 957
 958 2017-08-31  Richard Biener  <rguenther@suse.de>
 959
 960         PR middle-end/82054
 961         * dwarf2out.c (dwarf2out_early_global_decl): Process each
 962         function only once.
 963
 964 2017-08-31  Tamar Christina  <tamar.christina@arm.com>
 965
 966         * config/aarch64/aarch64-builtins.c (aarch64_init_simd_builtins):
 967         Resize type_signature.
 968
 969 2017-08-31  Richard Sandiford  <richard.sandiford@linaro.org>
 970             Alan Hayward  <alan.hayward@arm.com>
 971             David Sherwood  <david.sherwood@arm.com>
 972
 973         * config/aarch64/aarch64.c (aarch64_base_register_rtx_p): Only allow
 974         subregs whose inner modes can be stored in GPRs.
 975         (aarch64_classify_index): Likewise.
 976
 977 2017-08-31  Richard Sandiford  <richard.sandiford@linaro.org>
 978             Alan Hayward  <alan.hayward@arm.com>
 979             David Sherwood  <david.sherwood@arm.com>
 980
 981         * config/aarch64/iterators.md (V_cmp_result): Rename to...
 982         (V_INT_EQUIV): ...this.
 983         (v_cmp_result): Rename to...
 984         (v_int_equiv): ...this.
 985         * config/aarch64/aarch64.md (xorsign<mode>3): Update accordingly.
 986         * config/aarch64/aarch64-simd.md (xorsign<mode>3): Likewise.
 987         (copysign<mode>3): Likewise.
 988         (aarch64_simd_bsl<mode>_internal): Likewise.
 989         (aarch64_simd_bsl<mode>): Likewise.
 990         (vec_cmp<mode><mode>): Likewise.
 991         (vcond<mode><mode>): Likewise.
 992         (vcond<v_cmp_mixed><mode>): Likewise.
 993         (vcondu<mode><v_cmp_mixed>): Likewise.
 994         (aarch64_cm<optab><mode>): Likewise.
 995         (aarch64_cmtst<mode>): Likewise.
 996         (aarch64_fac<optab><mode>): Likewise.
 997         (vec_perm_const<mode>): Likewise.
 998         (vcond_mask_<mode><v_cmp_result>): Rename to...
 999         (vcond_mask_<mode><v_int_equiv>): ...this.
1000         (vec_cmp<mode><v_cmp_result>): Rename to...
1001         (vec_cmp<mode><v_int_equiv>): ...this.
1002
1003 2017-08-31  Richard Sandiford  <richard.sandiford@linaro.org>
1004             Alan Hayward  <alan.hayward@arm.com>
1005             David Sherwood  <david.sherwood@arm.com>
1006
1007         * config/aarch64/aarch64-modes.def: Remove 32-, 48- and 64-byte
1008         vector modes.
1009         * config/aarch64/iterators.md (VRL2, VRL3, VRL4): Delete.
1010         * config/aarch64/aarch64.md (UNSPEC_LD2_DREG, UNSPEC_LD3_DREG)
1011         (UNSPEC_LD4_DREG): New unspecs.
1012         * config/aarch64/aarch64-simd.md (aarch64_ld2<mode>_dreg_le)
1013         (aarch64_ld2<mode>_dreg_be): Replace with...
1014         (aarch64_ld2<mode>_dreg): ...this pattern and use the new DREG
1015         unspec.
1016         (aarch64_ld3<mode>_dreg_le)
1017         (aarch64_ld3<mode>_dreg_be): Replace with...
1018         (aarch64_ld3<mode>_dreg): ...this pattern and use the new DREG
1019         unspec.
1020         (aarch64_ld4<mode>_dreg_le)
1021         (aarch64_ld4<mode>_dreg_be): Replace with...
1022         (aarch64_ld4<mode>_dreg): ...this pattern and use the new DREG
1023         unspec.
1024
1025 2017-08-30  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1026
1027         PR tree-optimization/81987
1028         * gimple-ssa-strength-reduction.c (insert_initializers): Don't
1029         insert an initializer in a location not dominated by the stride
1030         definition.
1031
1032 2017-08-30  Eric Botcazou  <ebotcazou@adacore.com>
1033
1034         * tree-eh.c (lower_try_finally_switch): Set the location of the finally
1035         on the entire header of the finally block in the fallthru case.
1036
1037 2017-08-30  Eric Botcazou  <ebotcazou@adacore.com>
1038
1039         * varasm.c (decode_addr_const): Deal with INDIRECT_REF <INTEGER_CST>.
1040
1041 2017-08-30  Pat Haugen  <pthaugen@us.ibm.com>
1042
1043         * config/rs6000/rs6000.c (rs6000_emit_prologue_move_from_cr): Rename from
1044         rs6000_emit_move_from_cr and call renamed function.
1045         (rs6000_emit_prologue): Call renamed functions.
1046         * config/rs6000/rs6000.md (prologue_movesi_from_cr): Rename from
1047         movesi_from_cr, remove volatile CRs.
1048
1049 2017-08-30  Jon Beniston  <jon@beniston.com>
1050             Richard Biener  <rguenther@suse.de>
1051
1052         * tree-vect-patterns.c (vect_pattern_recog_1): Use VECTOR_TYPE_P instead
1053         of VECTOR_MODE_P check.
1054         * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): Allow single
1055         element vector types.
1056
1057 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1058
1059         * df.h (df_read_modify_subreg_p): Remove in favor of...
1060         * rtl.h (read_modify_subreg_p): ...this new function.  Take a
1061         const_rtx instead of an rtx.
1062         * cprop.c (local_cprop_find_used_regs): Update accordingly.
1063         * df-problems.c (df_word_lr_mark_ref): Likewise.
1064         * ira-lives.c (mark_pseudo_reg_live): Likewise.
1065         (mark_pseudo_reg_dead): Likewise.
1066         (mark_ref_dead): Likewise.
1067         * reginfo.c (init_subregs_of_mode): Likewise.
1068         * sched-deps.c (sched_analyze_1): Likewise.
1069         * df-scan.c (df_def_record_1): Likewise.
1070         (df_uses_record): Likewise.
1071         (df_read_modify_subreg_p): Remove in favor of...
1072         * rtlanal.c (read_modify_subreg_p): ...this new function.  Take a
1073         const_rtx instead of an rtx.
1074
1075 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1076             Alan Hayward  <alan.hayward@arm.com>
1077             David Sherwood  <david.sherwood@arm.com>
1078
1079         * rtl.h (partial_subreg_p): New function.
1080         * caller-save.c (save_call_clobbered_regs): Use it.
1081         * calls.c (expand_call): Likewise.
1082         * combine.c (combinable_i3pat): Likewise.
1083         (simplify_set): Likewise.
1084         (make_extraction): Likewise.
1085         (make_compound_operation_int): Likewise.
1086         (gen_lowpart_or_truncate): Likewise.
1087         (force_to_mode): Likewise.
1088         (make_field_assignment): Likewise.
1089         (reg_truncated_to_mode): Likewise.
1090         (record_truncated_value): Likewise.
1091         (move_deaths): Likewise.
1092         * cse.c (record_jump_cond): Likewise.
1093         (cse_insn): Likewise.
1094         * cselib.c (cselib_lookup_1): Likewise.
1095         * expmed.c (extract_bit_field_using_extv): Likewise.
1096         * function.c (assign_parm_setup_reg): Likewise.
1097         * ifcvt.c (noce_convert_multiple_sets): Likewise.
1098         * ira-build.c (create_insn_allocnos): Likewise.
1099         * lra-coalesce.c (merge_pseudos): Likewise.
1100         * lra-constraints.c (match_reload): Likewise.
1101         (simplify_operand_subreg): Likewise.
1102         (curr_insn_transform): Likewise.
1103         * lra-lives.c (process_bb_lives): Likewise.
1104         * lra.c (new_insn_reg): Likewise.
1105         (lra_substitute_pseudo): Likewise.
1106         * regcprop.c (mode_change_ok): Likewise.
1107         (maybe_mode_change): Likewise.
1108         (copyprop_hardreg_forward_1): Likewise.
1109         * reload.c (push_reload): Likewise.
1110         (find_reloads): Likewise.
1111         (find_reloads_subreg_address): Likewise.
1112         * reload1.c (alter_reg): Likewise.
1113         (eliminate_regs_1): Likewise.
1114         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
1115
1116 2017-08-30  David Edelsohn  <dje.gcc@gmail.com>
1117
1118         * config/rs6000/rs6000.c (rs6000_expand_binop_builtin): Revert
1119         back to if statements, including unpack.
1120
1121 2017-08-30  Martin Liska  <mliska@suse.cz>
1122
1123         PR inline-asm/82001
1124         * ipa-icf-gimple.c (func_checker::compare_tree_list_operand):
1125         Rename to ...
1126         (func_checker::compare_asm_inputs_outputs): ... this function.
1127         (func_checker::compare_gimple_asm): Use the function to compare
1128         also ASM constrains.
1129         * ipa-icf-gimple.h: Rename the function.
1130
1131 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1132             Alan Hayward  <alan.hayward@arm.com>
1133             David Sherwood  <david.sherwood@arm.com>
1134
1135         * coretypes.h (complex_mode): New type.
1136         * gdbhooks.py (build_pretty_printer): Handle it.
1137         * machmode.h (complex_mode): New class.
1138         (complex_mode::includes_p): New function.
1139         (is_complex_int_mode): Likewise.
1140         (is_complex_float_mode): Likewise.
1141         * genmodes.c (get_mode_class): Handle complex mode classes.
1142         * function.c (expand_function_end): Use is_complex_int_mode.
1143
1144 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1145             Alan Hayward  <alan.hayward@arm.com>
1146             David Sherwood  <david.sherwood@arm.com>
1147
1148         * coretypes.h (scalar_mode_pod): New typedef.
1149         * gdbhooks.py (build_pretty_printer): Handle it.
1150         * machmode.h (gt_ggc_mx, gt_pch_nx): New functions.
1151         * fixed-value.h (fixed_value::mode): Change type to scalar_mode_pod.
1152         * fold-const.c (fold_convert_const_int_from_fixed): Use scalar_mode.
1153         * tree-streamer-in.c (unpack_ts_fixed_cst_value_fields): Use
1154         as_a <scalar_mode>.
1155
1156 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1157             Alan Hayward  <alan.hayward@arm.com>
1158             David Sherwood  <david.sherwood@arm.com>
1159
1160         * machmode.h (mode_for_vector): Take a scalar_mode instead
1161         of a machine_mode.
1162         * stor-layout.c (mode_for_vector): Likewise.
1163         * explow.c (promote_mode): Use as_a <scalar_mode>.
1164         * sdbout.c (sdbout_parms): Use is_a <scalar_mode>.
1165
1166 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1167             Alan Hayward  <alan.hayward@arm.com>
1168             David Sherwood  <david.sherwood@arm.com>
1169
1170         * target.def (preferred_simd_mode): Take a scalar_mode
1171         instead of a machine_mode.
1172         * targhooks.h (default_preferred_simd_mode): Likewise.
1173         * targhooks.c (default_preferred_simd_mode): Likewise.
1174         * config/arc/arc.c (arc_preferred_simd_mode): Likewise.
1175         * config/arm/arm.c (arm_preferred_simd_mode): Likewise.
1176         * config/c6x/c6x.c (c6x_preferred_simd_mode): Likewise.
1177         * config/epiphany/epiphany.c (epiphany_preferred_simd_mode): Likewise.
1178         * config/i386/i386.c (ix86_preferred_simd_mode): Likewise.
1179         * config/mips/mips.c (mips_preferred_simd_mode): Likewise.
1180         * config/nvptx/nvptx.c (nvptx_preferred_simd_mode): Likewise.
1181         * config/powerpcspe/powerpcspe.c (rs6000_preferred_simd_mode):
1182         Likewise.
1183         * config/rs6000/rs6000.c (rs6000_preferred_simd_mode): Likewise.
1184         * config/s390/s390.c (s390_preferred_simd_mode): Likewise.
1185         * config/sparc/sparc.c (sparc_preferred_simd_mode): Likewise.
1186         * config/aarch64/aarch64.c (aarch64_preferred_simd_mode): Likewise.
1187         (aarch64_simd_scalar_immediate_valid_for_move): Update accordingly.
1188         * doc/tm.texi: Regenerate.
1189         * optabs-query.c (can_vec_mask_load_store_p): Return false for
1190         non-scalar modes.
1191
1192 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1193             Alan Hayward  <alan.hayward@arm.com>
1194             David Sherwood  <david.sherwood@arm.com>
1195
1196         * target.def (scalar_mode_supported_p): Take a scalar_mode
1197         instead of a machine_mode.
1198         * targhooks.h (default_scalar_mode_supported_p): Likewise.
1199         * targhooks.c (default_scalar_mode_supported_p): Likewise.
1200         * config/aarch64/aarch64.c (aarch64_scalar_mode_supported_p): Likewise.
1201         * config/alpha/alpha.c (alpha_scalar_mode_supported_p): Likewise.
1202         * config/arm/arm.c (arm_scalar_mode_supported_p): Likewise.
1203         * config/avr/avr.c (avr_scalar_mode_supported_p): Likewise.
1204         * config/c6x/c6x.c (c6x_scalar_mode_supported_p): Likewise.
1205         * config/i386/i386.c (ix86_scalar_mode_supported_p): Likewise.
1206         * config/ia64/ia64.c (ia64_scalar_mode_supported_p): Likewise.
1207         * config/mips/mips.c (mips_scalar_mode_supported_p): Likewise.
1208         * config/msp430/msp430.c (msp430_scalar_mode_supported_p): Likewise.
1209         * config/pa/pa.c (pa_scalar_mode_supported_p): Likewise.
1210         * config/pdp11/pdp11.c (pdp11_scalar_mode_supported_p): Likewise.
1211         * config/powerpcspe/powerpcspe.c (rs6000_scalar_mode_supported_p):
1212         Likewise.
1213         * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): Likewise.
1214         * config/s390/s390.c (s390_scalar_mode_supported_p): Likewise.
1215         * config/spu/spu.c (spu_scalar_mode_supported_p): Likewise.
1216         * config/tilegx/tilegx.c (tilegx_scalar_mode_supported_p): Likewise.
1217         * config/tilepro/tilepro.c (tilepro_scalar_mode_supported_p):
1218         Likewise.
1219         * doc/tm.texi: Regenerate.
1220
1221 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1222             Alan Hayward  <alan.hayward@arm.com>
1223             David Sherwood  <david.sherwood@arm.com>
1224
1225         * coretypes.h (opt_scalar_mode): New typedef.
1226         * gdbhooks.py (build_pretty_printers): Handle it.
1227         * machmode.h (mode_iterator::get_2xwider): Add overload for
1228         opt_mode<T>.
1229         * emit-rtl.c (init_emit_once): Use opt_scalar_mode when iterating
1230         over scalar modes.
1231         * expr.c (convert_mode_scalar): Likewise.
1232         * omp-low.c (omp_clause_aligned_alignment): Likewise.
1233         * optabs.c (expand_float): Likewise.
1234         (expand_fix): Likewise.
1235         * tree-vect-stmts.c (vectorizable_conversion): Likewise.
1236
1237 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1238             Alan Hayward  <alan.hayward@arm.com>
1239             David Sherwood  <david.sherwood@arm.com>
1240
1241         * optabs.c (expand_float): Explicitly check for scalars before
1242         using a branching expansion.
1243         (expand_fix): Likewise.
1244
1245 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1246             Alan Hayward  <alan.hayward@arm.com>
1247             David Sherwood  <david.sherwood@arm.com>
1248
1249         * expr.c (convert_mode): Split scalar handling out into...
1250         (convert_mode_scalar): ...this new function.  Treat the modes
1251         as scalar_modes.
1252
1253 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1254             Alan Hayward  <alan.hayward@arm.com>
1255             David Sherwood  <david.sherwood@arm.com>
1256
1257         * omp-expand.c (expand_omp_atomic): Use is_int_mode, is_float_mode
1258         and scalar_mode.
1259         * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): Likewise.
1260
1261 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1262             Alan Hayward  <alan.hayward@arm.com>
1263             David Sherwood  <david.sherwood@arm.com>
1264
1265         * fixed-value.h (fixed_from_double_int): Take a scalar_mode
1266         rather than a machine_mode.
1267         (fixed_from_string): Likewise.
1268         (fixed_convert): Likewise.
1269         (fixed_convert_from_int): Likewise.
1270         (fixed_convert_from_real): Likewise.
1271         (real_convert_from_fixed): Likewise.
1272         * fixed-value.c (fixed_from_double_int): Likewise.
1273         (fixed_from_string): Likewise.
1274         (fixed_convert): Likewise.
1275         (fixed_convert_from_int): Likewise.
1276         (fixed_convert_from_real): Likewise.
1277         (real_convert_from_fixed): Likewise.
1278         * config/avr/avr.c (avr_out_round): Use as_a <scalar_mode>.
1279
1280 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1281             Alan Hayward  <alan.hayward@arm.com>
1282             David Sherwood  <david.sherwood@arm.com>
1283
1284         * emit-rtl.c (immed_double_const): Use is_a <scalar_mode> instead
1285         of separate mode class checks.  Do not allow vector modes here.
1286         (immed_wide_int_const): Use as_a <scalar_mode>.
1287         * explow.c (trunc_int_for_mode): Likewise.
1288         * rtl.h (wi::int_traits<rtx_mode_t>::get_precision): Likewise.
1289         (wi::shwi): Likewise.
1290         (wi::min_value): Likewise.
1291         (wi::max_value): Likewise.
1292         * dwarf2out.c (loc_descriptor): Likewise.
1293         * simplify-rtx.c (simplify_immed_subreg): Fix rtx_mode_t argument
1294         for CONST_WIDE_INT.
1295
1296 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1297             Alan Hayward  <alan.hayward@arm.com>
1298             David Sherwood  <david.sherwood@arm.com>
1299
1300         * tree.h (SCALAR_TYPE_MODE): New macro.
1301         * expr.c (expand_expr_addr_expr_1): Use it.
1302         (expand_expr_real_2): Likewise.
1303         * fold-const.c (fold_convert_const_fixed_from_fixed): Likeise.
1304         (fold_convert_const_fixed_from_int): Likewise.
1305         (fold_convert_const_fixed_from_real): Likewise.
1306         (native_encode_fixed): Likewise
1307         (native_encode_complex): Likewise
1308         (native_encode_vector): Likewise.
1309         (native_interpret_fixed): Likewise.
1310         (native_interpret_real): Likewise.
1311         (native_interpret_complex): Likewise.
1312         (native_interpret_vector): Likewise.
1313         * omp-simd-clone.c (simd_clone_adjust_return_type): Likewise.
1314         (simd_clone_adjust_argument_types): Likewise.
1315         (simd_clone_init_simd_arrays): Likewise.
1316         (simd_clone_adjust): Likewise.
1317         * stor-layout.c (layout_type): Likewise.
1318         * tree.c (build_minus_one_cst): Likewise.
1319         * tree-cfg.c (verify_gimple_assign_ternary): Likewise.
1320         * tree-inline.c (estimate_move_cost): Likewise.
1321         * tree-ssa-math-opts.c (convert_plusminus_to_widen): Likewise.
1322         * tree-vect-loop.c (vect_create_epilog_for_reduction): Likewise.
1323         (vectorizable_reduction): Likewise.
1324         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Likewise.
1325         (vect_recog_mixed_size_cond_pattern): Likewise.
1326         (check_bool_pattern): Likewise.
1327         (adjust_bool_pattern): Likewise.
1328         (search_type_for_mask_1): Likewise.
1329         * tree-vect-slp.c (vect_schedule_slp_instance): Likewise.
1330         * tree-vect-stmts.c (vectorizable_conversion): Likewise.
1331         (vectorizable_load): Likewise.
1332         (vectorizable_store): Likewise.
1333         * ubsan.c (ubsan_encode_value): Likewise.
1334         * varasm.c (output_constant): Likewise.
1335
1336 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1337             Alan Hayward  <alan.hayward@arm.com>
1338             David Sherwood  <david.sherwood@arm.com>
1339
1340         * coretypes.h (scalar_mode): New class.
1341         * machmode.h (scalar_mode): Likewise.
1342         (scalar_mode::includes_p): New function.
1343         (mode_to_inner): Return a scalar_mode rather than a machine_mode.
1344         * gdbhooks.py (build_pretty_printers): Handle scalar_mode.
1345         * genmodes.c (get_mode_class): Handle remaining scalar modes.
1346         * cfgexpand.c (expand_debug_expr): Use scalar_mode.
1347         * expmed.c (store_bit_field_1): Likewise.
1348         (extract_bit_field_1): Likewise.
1349         * expr.c (write_complex_part): Likewise.
1350         (read_complex_part): Likewise.
1351         (emit_move_complex_push): Likewise.
1352         (expand_expr_real_2): Likewise.
1353         * function.c (assign_parm_setup_reg): Likewise.
1354         (assign_parms_unsplit_complex): Likewise.
1355         * optabs.c (expand_binop): Likewise.
1356         * rtlanal.c (subreg_get_info): Likewise.
1357         * simplify-rtx.c (simplify_immed_subreg): Likewise.
1358         * varasm.c (output_constant_pool_2): Likewise.
1359
1360 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1361             Alan Hayward  <alan.hayward@arm.com>
1362             David Sherwood  <david.sherwood@arm.com>
1363
1364         * expmed.c (extract_high_half): Use scalar_int_mode and remove
1365         assertion.
1366         (expmed_mult_highpart_optab): Likewise.
1367         (expmed_mult_highpart): Likewise.
1368
1369 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1370             Alan Hayward  <alan.hayward@arm.com>
1371             David Sherwood  <david.sherwood@arm.com>
1372
1373         * builtins.h (builtin_strncpy_read_str): Take a scalar_int_mode
1374         instead of a machine_mode.
1375         (builtin_memset_read_str): Likewise.
1376         * builtins.c (c_readstr): Likewise.
1377         (builtin_memcpy_read_str): Likewise.
1378         (builtin_strncpy_read_str): Likewise.
1379         (builtin_memset_read_str): Likewise.
1380         (builtin_memset_gen_str): Likewise.
1381         (expand_builtin_signbit): Use scalar_int_mode for local variables.
1382         * cfgexpand.c (convert_debug_memory_address): Take a scalar_int_mode
1383         instead of a machine_mode.
1384         * combine.c (simplify_if_then_else): Use scalar_int_mode for local
1385         variables.
1386         (make_extraction): Likewise.
1387         (try_widen_shift_mode): Take and return scalar_int_modes instead
1388         of machine_modes.
1389         * config/aarch64/aarch64.c (aarch64_libgcc_cmp_return_mode): Return
1390         a scalar_int_mode instead of a machine_mode.
1391         * config/avr/avr.c (avr_addr_space_address_mode): Likewise.
1392         (avr_addr_space_pointer_mode): Likewise.
1393         * config/cr16/cr16.c (cr16_unwind_word_mode): Likewise.
1394         * config/msp430/msp430.c (msp430_addr_space_pointer_mode): Likewise.
1395         (msp430_unwind_word_mode): Likewise.
1396         * config/spu/spu.c (spu_unwind_word_mode): Likewise.
1397         (spu_addr_space_pointer_mode): Likewise.
1398         (spu_addr_space_address_mode): Likewise.
1399         (spu_libgcc_cmp_return_mode): Likewise.
1400         (spu_libgcc_shift_count_mode): Likewise.
1401         * config/rl78/rl78.c (rl78_addr_space_address_mode): Likewise.
1402         (rl78_addr_space_pointer_mode): Likewise.
1403         (fl78_unwind_word_mode): Likewise.
1404         (rl78_valid_pointer_mode): Take a scalar_int_mode instead of a
1405         machine_mode.
1406         * config/alpha/alpha.c (vms_valid_pointer_mode): Likewise.
1407         * config/ia64/ia64.c (ia64_vms_valid_pointer_mode): Likewise.
1408         * config/mips/mips.c (mips_mode_rep_extended): Likewise.
1409         (mips_valid_pointer_mode): Likewise.
1410         * config/tilegx/tilegx.c (tilegx_mode_rep_extended): Likewise.
1411         * config/ft32/ft32.c (ft32_valid_pointer_mode): Likewise.
1412         (ft32_addr_space_pointer_mode): Return a scalar_int_mode instead
1413         of a machine_mode.
1414         (ft32_addr_space_address_mode): Likewise.
1415         * config/m32c/m32c.c (m32c_valid_pointer_mode): Take a
1416         scalar_int_mode instead of a machine_mode.
1417         (m32c_addr_space_pointer_mode): Return a scalar_int_mode instead
1418         of a machine_mode.
1419         (m32c_addr_space_address_mode): Likewise.
1420         * config/powerpcspe/powerpcspe.c (rs6000_abi_word_mode): Likewise.
1421         (rs6000_eh_return_filter_mode): Likewise.
1422         * config/rs6000/rs6000.c (rs6000_abi_word_mode): Likewise.
1423         (rs6000_eh_return_filter_mode): Likewise.
1424         * config/s390/s390.c (s390_libgcc_cmp_return_mode): Likewise.
1425         (s390_libgcc_shift_count_mode): Likewise.
1426         (s390_unwind_word_mode): Likewise.
1427         (s390_valid_pointer_mode): Take a scalar_int_mode rather than a
1428         machine_mode.
1429         * target.def (mode_rep_extended): Likewise.
1430         (valid_pointer_mode): Likewise.
1431         (addr_space.valid_pointer_mode): Likewise.
1432         (eh_return_filter_mode): Return a scalar_int_mode rather than
1433         a machine_mode.
1434         (libgcc_cmp_return_mode): Likewise.
1435         (libgcc_shift_count_mode): Likewise.
1436         (unwind_word_mode): Likewise.
1437         (addr_space.pointer_mode): Likewise.
1438         (addr_space.address_mode): Likewise.
1439         * doc/tm.texi: Regenerate.
1440         * dojump.c (prefer_and_bit_test): Take a scalar_int_mode rather than
1441         a machine_mode.
1442         (do_jump): Use scalar_int_mode for local variables.
1443         * dwarf2cfi.c (init_return_column_size): Take a scalar_int_mode
1444         rather than a machine_mode.
1445         * dwarf2out.c (convert_descriptor_to_mode): Likewise.
1446         (scompare_loc_descriptor_wide): Likewise.
1447         (scompare_loc_descriptor_narrow): Likewise.
1448         * emit-rtl.c (adjust_address_1): Use scalar_int_mode for local
1449         variables.
1450         * except.c (sjlj_emit_dispatch_table): Likewise.
1451         (expand_builtin_eh_copy_values): Likewise.
1452         * explow.c (convert_memory_address_addr_space_1): Likewise.
1453         Take a scalar_int_mode rather than a machine_mode.
1454         (convert_memory_address_addr_space): Take a scalar_int_mode rather
1455         than a machine_mode.
1456         (memory_address_addr_space): Use scalar_int_mode for local variables.
1457         * expmed.h (expand_mult_highpart_adjust): Take a scalar_int_mode
1458         rather than a machine_mode.
1459         * expmed.c (mask_rtx): Likewise.
1460         (init_expmed_one_conv): Likewise.
1461         (expand_mult_highpart_adjust): Likewise.
1462         (extract_high_half): Likewise.
1463         (expmed_mult_highpart_optab): Likewise.
1464         (expmed_mult_highpart): Likewise.
1465         (expand_smod_pow2): Likewise.
1466         (expand_sdiv_pow2): Likewise.
1467         (emit_store_flag_int): Likewise.
1468         (adjust_bit_field_mem_for_reg): Use scalar_int_mode for local
1469         variables.
1470         (extract_low_bits): Likewise.
1471         * expr.h (by_pieces_constfn): Take a scalar_int_mode rather than
1472         a machine_mode.
1473         * expr.c (pieces_addr::adjust):  Likewise.
1474         (can_store_by_pieces): Likewise.
1475         (store_by_pieces): Likewise.
1476         (clear_by_pieces_1): Likewise.
1477         (expand_expr_addr_expr_1): Likewise.
1478         (expand_expr_addr_expr): Use scalar_int_mode for local variables.
1479         (expand_expr_real_1): Likewise.
1480         (try_casesi): Likewise.
1481         * final.c (shorten_branches): Likewise.
1482         * fold-const.c (fold_convert_const_int_from_fixed): Change the
1483         type of "mode" to machine_mode.
1484         * internal-fn.c (expand_arith_overflow_result_store): Take a
1485         scalar_int_mode rather than a machine_mode.
1486         (expand_mul_overflow): Use scalar_int_mode for local variables.
1487         * loop-doloop.c (doloop_modify): Likewise.
1488         (doloop_optimize): Likewise.
1489         * optabs.c (expand_subword_shift): Take a scalar_int_mode rather
1490         than a machine_mode.
1491         (expand_doubleword_shift_condmove): Likewise.
1492         (expand_doubleword_shift): Likewise.
1493         (expand_doubleword_clz): Likewise.
1494         (expand_doubleword_popcount): Likewise.
1495         (expand_doubleword_parity): Likewise.
1496         (expand_absneg_bit): Use scalar_int_mode for local variables.
1497         (prepare_float_lib_cmp): Likewise.
1498         * rtl.h (convert_memory_address_addr_space_1): Take a scalar_int_mode
1499         rather than a machine_mode.
1500         (convert_memory_address_addr_space): Likewise.
1501         (get_mode_bounds): Likewise.
1502         (get_address_mode): Return a scalar_int_mode rather than a
1503         machine_mode.
1504         * rtlanal.c (get_address_mode): Likewise.
1505         * stor-layout.c (get_mode_bounds): Take a scalar_int_mode rather
1506         than a machine_mode.
1507         * targhooks.c (default_mode_rep_extended): Likewise.
1508         (default_valid_pointer_mode): Likewise.
1509         (default_addr_space_valid_pointer_mode): Likewise.
1510         (default_eh_return_filter_mode): Return a scalar_int_mode rather
1511         than a machine_mode.
1512         (default_libgcc_cmp_return_mode): Likewise.
1513         (default_libgcc_shift_count_mode): Likewise.
1514         (default_unwind_word_mode): Likewise.
1515         (default_addr_space_pointer_mode): Likewise.
1516         (default_addr_space_address_mode): Likewise.
1517         * targhooks.h (default_eh_return_filter_mode): Likewise.
1518         (default_libgcc_cmp_return_mode): Likewise.
1519         (default_libgcc_shift_count_mode): Likewise.
1520         (default_unwind_word_mode): Likewise.
1521         (default_addr_space_pointer_mode): Likewise.
1522         (default_addr_space_address_mode): Likewise.
1523         (default_mode_rep_extended): Take a scalar_int_mode rather than
1524         a machine_mode.
1525         (default_valid_pointer_mode): Likewise.
1526         (default_addr_space_valid_pointer_mode): Likewise.
1527         * tree-ssa-address.c (addr_for_mem_ref): Use scalar_int_mode for
1528         local variables.
1529         * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Take a scalar_int_mode
1530         rather than a machine_mode.
1531         * tree-switch-conversion.c (array_value_type): Use scalar_int_mode
1532         for local variables.
1533         * tree-vrp.c (simplify_float_conversion_using_ranges): Likewise.
1534         * var-tracking.c (use_narrower_mode): Take a scalar_int_mode rather
1535         than a machine_mode.
1536
1537 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1538             Alan Hayward  <alan.hayward@arm.com>
1539             David Sherwood  <david.sherwood@arm.com>
1540
1541         * dojump.c (do_jump_by_parts_greater_rtx): Change the type of
1542         the mode argument to scalar_int_mode.
1543         (do_jump_by_parts_zero_rtx): Likewise.
1544         (do_jump_by_parts_equality_rtx): Likewise.
1545         (do_jump_by_parts_greater): Take a mode argument.
1546         (do_jump_by_parts_equality): Likewise.
1547         (do_jump_1): Update calls accordingly.
1548
1549 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1550             Alan Hayward  <alan.hayward@arm.com>
1551             David Sherwood  <david.sherwood@arm.com>
1552
1553         * is-a.h (safe_dyn_cast): New function.
1554         * rtl.h (rtx_jump_table_data::get_data_mode): New function.
1555         (jump_table_for_label): Likewise.
1556         * final.c (final_addr_vec_align): Take an rtx_jump_table_data *
1557         instead of an rtx_insn *.
1558         (shorten_branches): Use dyn_cast instead of LABEL_P and
1559         JUMP_TABLE_DATA_P.  Use jump_table_for_label and
1560         rtx_jump_table_data::get_data_mode.
1561         (final_scan_insn): Likewise.
1562
1563 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1564             Alan Hayward  <alan.hayward@arm.com>
1565             David Sherwood  <david.sherwood@arm.com>
1566
1567         * combine.c (try_combine): Use is_a <scalar_int_mode> when
1568         trying to combine a full-register integer set with a subreg
1569         integer set.
1570
1571 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1572             Alan Hayward  <alan.hayward@arm.com>
1573             David Sherwood  <david.sherwood@arm.com>
1574
1575         * expr.c (expand_expr_addr_expr): Add a new_tmode local variable
1576         that is always either address_mode or pointer_mode.
1577
1578 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1579             Alan Hayward  <alan.hayward@arm.com>
1580             David Sherwood  <david.sherwood@arm.com>
1581
1582         * expr.c (expand_expr_real_2): Use word_mode instead of innermode
1583         when the two are known to be equal.
1584
1585 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1586             Alan Hayward  <alan.hayward@arm.com>
1587             David Sherwood  <david.sherwood@arm.com>
1588
1589         * simplify-rtx.c (simplify_const_unary_operation): Use
1590         is_a <scalar_int_mode> instead of checking for a nonzero
1591         precision.  Forcibly convert op_mode to a scalar_int_mode
1592         in that case.  More clearly differentiate the operand and
1593         result modes and use the former when deciding what the value
1594         of a count-bits operation should be.  Use is_int_mode instead
1595         of checking for a MODE_INT.  Remove redundant check for whether
1596         this mode has a zero precision.
1597
1598 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1599             Alan Hayward  <alan.hayward@arm.com>
1600             David Sherwood  <david.sherwood@arm.com>
1601
1602         * optabs.c (widen_leading): Change the type of the mode argument
1603         to scalar_int_mode.  Use opt_scalar_int_mode for the mode iterator.
1604         (widen_bswap): Likewise.
1605         (expand_parity): Likewise.
1606         (expand_ctz): Change the type of the mode argument to scalar_int_mode.
1607         (expand_ffs): Likewise.
1608         (epand_unop): Check for scalar integer modes before calling the
1609         above routines.
1610
1611 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1612             Alan Hayward  <alan.hayward@arm.com>
1613             David Sherwood  <david.sherwood@arm.com>
1614
1615         * expr.c (const_scalar_mask_from_tree): Add a mode argument.
1616         Expand commentary.
1617         (expand_expr_real_1): Update call accordingly.
1618
1619 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1620             Alan Hayward  <alan.hayward@arm.com>
1621             David Sherwood  <david.sherwood@arm.com>
1622
1623         * expmed.c (store_bit_field_using_insv): Add op0_mode and
1624         value_mode arguments.  Use scalar_int_mode internally.
1625         (store_bit_field_1): Rename the new integer mode from imode
1626         to op0_mode and use it instead of GET_MODE (op0).  Update calls
1627         to store_split_bit_field, store_bit_field_using_insv and
1628         store_fixed_bit_field.
1629         (store_fixed_bit_field): Add op0_mode and value_mode arguments.
1630         Use scalar_int_mode internally.  Use a bit count rather than a mode
1631         when calculating the largest bit size for get_best_mode.
1632         Update calls to store_split_bit_field and store_fixed_bit_field_1.
1633         (store_fixed_bit_field_1): Add mode and value_mode arguments.
1634         Remove assertion that OP0 has a scalar integer mode.
1635         (store_split_bit_field): Add op0_mode and value_mode arguments.
1636         Update calls to extract_fixed_bit_field.
1637         (extract_bit_field_using_extv): Add an op0_mode argument.
1638         Use scalar_int_mode internally.
1639         (extract_bit_field_1): Rename the new integer mode from imode to
1640         op0_mode and use it instead of GET_MODE (op0).  Update calls to
1641         extract_split_bit_field, extract_bit_field_using_extv and
1642         extract_fixed_bit_field.
1643         (extract_fixed_bit_field): Add an op0_mode argument.  Update calls
1644         to extract_split_bit_field and extract_fixed_bit_field_1.
1645         (extract_fixed_bit_field_1): Add a mode argument.  Remove assertion
1646         that OP0 has a scalar integer mode.  Use as_a <scalar_int_mode>
1647         on the target mode.
1648         (extract_split_bit_field): Add an op0_mode argument.  Update call
1649         to extract_fixed_bit_field.
1650
1651 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1652             Alan Hayward  <alan.hayward@arm.com>
1653             David Sherwood  <david.sherwood@arm.com>
1654
1655         * cse.c (cse_insn): Use opt_scalar_int_mode for the mode iterator.
1656         * explow.c (hard_function_value): Likewise.
1657         * expmed.c (extract_fixed_bit_field_1): Likewise.  Move the
1658         convert_to_mode call outside the loop.
1659         * expr.c (alignment_for_piecewise_move): Use opt_scalar_int_mode
1660         for the mode iterator.  Require the mode specified by max_pieces
1661         to exist.
1662         (emit_block_move_via_movmem): Use opt_scalar_int_mode for the
1663         mode iterator.
1664         (copy_blkmode_to_reg): Likewise.
1665         (set_storage_via_setmem): Likewise.
1666         * optabs.c (prepare_cmp_insn): Likewise.
1667         * rtlanal.c (init_num_sign_bit_copies_in_rep): Likewise.
1668         * stor-layout.c (finish_bitfield_representative): Likewise.
1669
1670 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1671             Alan Hayward  <alan.hayward@arm.com>
1672             David Sherwood  <david.sherwood@arm.com>
1673
1674         * rtl.h (subreg_unpromoted_mode, subreg_promoted_mode): New functions.
1675         * expr.c (convert_move): Use them.
1676         (convert_modes): Likewise.
1677         (store_expr_with_bounds): Likewise.
1678
1679 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1680             Alan Hayward  <alan.hayward@arm.com>
1681             David Sherwood  <david.sherwood@arm.com>
1682
1683         * rtl.h (rtl_hooks::reg_nonzero_bits): Add a scalar_int_mode
1684         parameter for the mode of "x".  Remove the "known_x", "known_mode"
1685         and "known_ret" arguments.  Change the type of the mode argument
1686         to scalar_int_mode.
1687         (rtl_hooks:reg_num_sign_bit_copies): Likewise.
1688         * combine.c (reg_nonzero_bits_for_combine): Update accordingly.
1689         (reg_num_sign_bit_copies_for_combine): Likewise.
1690         * rtlanal.c (nonzero_bits1): Likewise.
1691         (num_sign_bit_copies1): Likewise.
1692         * rtlhooks-def.h (reg_nonzero_bits_general): Likewise.
1693         (reg_num_sign_bit_copies_general): Likewise.
1694         * rtlhooks.c (reg_num_sign_bit_copies_general): Likewise.
1695         (reg_nonzero_bits_general): Likewise.
1696
1697 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1698             Alan Hayward  <alan.hayward@arm.com>
1699             David Sherwood  <david.sherwood@arm.com>
1700
1701         * rtlanal.c (num_sign_bit_copies): Handle VOIDmode here rather
1702         than in subroutines.  Return 1 for non-integer modes.
1703         (cached_num_sign_bit_copies): Change the type of the mode parameter
1704         to scalar_int_mode.
1705         (num_sign_bit_copies1): Likewise.  Remove early exit for other mode
1706         classes.  Handle CONST_INT_P first and then check whether X also
1707         has a scalar integer mode.  Check the same thing for inner registers
1708         of a SUBREG and for values that are being extended or truncated.
1709
1710 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1711             Alan Hayward  <alan.hayward@arm.com>
1712             David Sherwood  <david.sherwood@arm.com>
1713
1714         * rtlanal.c (nonzero_bits): Handle VOIDmode here rather than
1715         in subroutines.  Return the mode mask for non-integer modes.
1716         (cached_nonzero_bits): Change the type of the mode parameter
1717         to scalar_int_mode.
1718         (nonzero_bits1): Likewise.  Remove early exit for other mode
1719         classes.  Handle CONST_INT_P first and then check whether X
1720         also has a scalar integer mode.
1721
1722 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1723             Alan Hayward  <alan.hayward@arm.com>
1724             David Sherwood  <david.sherwood@arm.com>
1725
1726         * expr.c (widest_int_mode_for_size): Make the comment match the code.
1727         Return a scalar_int_mode and assert that the size is greater than
1728         one byte.
1729         (by_pieces_ninsns): Update accordingly and remove VOIDmode handling.
1730         (op_by_pieces_d::op_by_pieces_d): Likewise.
1731         (op_by_pieces_d::run): Likewise.
1732         (can_store_by_pieces): Likewise.
1733
1734 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1735             Alan Hayward  <alan.hayward@arm.com>
1736             David Sherwood  <david.sherwood@arm.com>
1737
1738         * combine.c (extract_left_shift): Add a mode argument and update
1739         recursive calls.
1740         (make_compound_operation_int): Change the type of the mode parameter
1741         to scalar_int_mode and update the call to extract_left_shift.
1742
1743 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1744             Alan Hayward  <alan.hayward@arm.com>
1745             David Sherwood  <david.sherwood@arm.com>
1746
1747         * combine.c (simplify_and_const_int): Change the type of the mode
1748         parameter to scalar_int_mode.
1749         (simplify_and_const_int_1): Likewise.  Update recursive call.
1750
1751 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1752             Alan Hayward  <alan.hayward@arm.com>
1753             David Sherwood  <david.sherwood@arm.com>
1754
1755         * combine.c (simplify_compare_const): Check that the mode is a
1756         scalar_int_mode (rather than VOIDmode) before testing its
1757         precision.
1758         (simplify_comparison): Move COMPARISON_P handling out of the
1759         loop and restrict the latter part of the loop to scalar_int_modes.
1760         Check is_a <scalar_int_mode> before calling HWI_COMPUTABLE_MODE_P
1761         and when considering SUBREG_REGs.  Use is_int_mode instead of
1762         checking GET_MODE_CLASS against MODE_INT.
1763
1764 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1765             Alan Hayward  <alan.hayward@arm.com>
1766             David Sherwood  <david.sherwood@arm.com>
1767
1768         * combine.c (try_widen_shift_mode): Move check for equal modes to...
1769         (simplify_shift_const_1): ...here.  Use scalar_int_mode for
1770         shift_unit_mode and for modes involved in scalar shifts.
1771
1772 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1773             Alan Hayward  <alan.hayward@arm.com>
1774             David Sherwood  <david.sherwood@arm.com>
1775
1776         * combine.c (force_int_to_mode): New function, split out from...
1777         (force_to_mode): ...here.  Keep xmode up-to-date and use it
1778         instead of GET_MODE (x).
1779
1780 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1781             Alan Hayward  <alan.hayward@arm.com>
1782             David Sherwood  <david.sherwood@arm.com>
1783
1784         * optabs-query.h (extraction_insn::struct_mode): Change type to
1785         opt_scalar_int_mode and update comment.
1786         (extraction_insn::field_mode): Change type to scalar_int_mode.
1787         (extraction_insn::pos_mode): Likewise.
1788         * combine.c (make_extraction): Update accordingly.
1789         * optabs-query.c (get_traditional_extraction_insn): Likewise.
1790         (get_optab_extraction_insn): Likewise.
1791         * recog.c (simplify_while_replacing): Likewise.
1792         * expmed.c (narrow_bit_field_mem): Change the type of the mode
1793         parameter to opt_scalar_int_mode.
1794
1795 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1796             Alan Hayward  <alan.hayward@arm.com>
1797             David Sherwood  <david.sherwood@arm.com>
1798
1799         * machmode.h (bit_field_mode_iterator::next_mode): Take a pointer
1800         to a scalar_int_mode instead of a machine_mode.
1801         (bit_field_mode_iterator::m_mode): Change type to opt_scalar_int_mode.
1802         (get_best_mode): Return a boolean and use a pointer argument to store
1803         the selected mode.  Replace the limit mode parameter with a bit limit.
1804         * expmed.c (adjust_bit_field_mem_for_reg): Use scalar_int_mode
1805         for the values returned by bit_field_mode_iterator::next_mode.
1806         (store_bit_field): Update call to get_best_mode.
1807         (store_fixed_bit_field): Likewise.
1808         (extract_fixed_bit_field): Likewise.
1809         * expr.c (optimize_bitfield_assignment_op): Likewise.
1810         * fold-const.c (optimize_bit_field_compare): Likewise.
1811         (fold_truth_andor_1): Likewise.
1812         * stor-layout.c (bit_field_mode_iterator::next_mode): As above.
1813         Update for new type of m_mode.
1814         (get_best_mode): As above.
1815
1816 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1817             Alan Hayward  <alan.hayward@arm.com>
1818             David Sherwood  <david.sherwood@arm.com>
1819
1820         * expmed.c (strict_volatile_bitfield_p): Change the type of fieldmode
1821         to scalar_int_mode.  Remove check for SCALAR_INT_MODE_P.
1822         (store_bit_field): Check is_a <scalar_int_mode> before calling
1823         strict_volatile_bitfield_p.
1824         (extract_bit_field): Likewise.
1825
1826 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1827             Alan Hayward  <alan.hayward@arm.com>
1828             David Sherwood  <david.sherwood@arm.com>
1829
1830         * target.def (cstore_mode): Return a scalar_int_mode.
1831         * doc/tm.texi: Regenerate.
1832         * config/sparc/sparc.c (sparc_cstore_mode): Return a scalar_int_mode.
1833         * targhooks.h (default_cstore_mode): Likewise.
1834         * targhooks.c (default_cstore_mode): Likewise, using a forced
1835         conversion.
1836         * expmed.c (emit_cstore): Expect the target of the cstore to be
1837         a scalar_int_mode.
1838
1839 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1840             Alan Hayward  <alan.hayward@arm.com>
1841             David Sherwood  <david.sherwood@arm.com>
1842
1843         * cfgloop.h (rtx_iv): Change type of extend_mode and mode to
1844         scalar_int_mode.
1845         (niter_desc): Likewise mode.
1846         (iv_analyze): Add a mode parameter.
1847         (biv_p): Likewise.
1848         (iv_analyze_expr): Pass the mode paraeter before the rtx it describes
1849         and change its type to scalar_int_mode.
1850         * loop-iv.c: Update commentary at head of file.
1851         (iv_constant): Pass the mode paraeter before the rtx it describes
1852         and change its type to scalar_int_mode.  Remove VOIDmode handling.
1853         (iv_subreg): Change the type of the mode parameter to scalar_int_mode.
1854         (iv_extend): Likewise.
1855         (shorten_into_mode): Likewise.
1856         (iv_add): Use scalar_int_mode.
1857         (iv_mult): Likewise.
1858         (iv_shift): Likewise.
1859         (canonicalize_iv_subregs): Likewise.
1860         (get_biv_step_1): Pass the outer_mode parameter before the rtx
1861         it describes and change its mode to scalar_int_mode.   Also change
1862         the type of the returned inner_mode to scalar_int_mode.
1863         (get_biv_step): Likewise, turning outer_mode from a pointer
1864         into a direct parameter.  Update call to get_biv_step_1.
1865         (iv_analyze_biv): Add an outer_mode parameter.  Update calls to
1866         iv_constant and get_biv_step.
1867         (iv_analyze_expr): Pass the mode parameter before the rtx it describes
1868         and change its type to scalar_int_mode.  Don't initialise iv->mode
1869         to VOIDmode and remove later checks for its still being VOIDmode.
1870         Update calls to iv_analyze_op and iv_analyze_expr.  Check
1871         is_a <scalar_int_mode> when changing the mode under consideration.
1872         (iv_analyze_def): Ignore registers that don't have a scalar_int_mode.
1873         Update call to iv_analyze_expr.
1874         (iv_analyze_op): Add a mode parameter.  Reject subregs whose
1875         inner register is not also a scalar_int_mode.  Update call to
1876         iv_analyze_biv.
1877         (iv_analyze): Add a mode parameter.  Update call to iv_analyze_op.
1878         (biv_p): Add a mode parameter.  Update call to iv_analyze_biv.
1879         (iv_number_of_iterations): Use is_a <scalar_int_mode> instead of
1880         separate mode class checks.  Update calls to iv_analyze.  Remove
1881         fix-up of VOIDmodes after iv_analyze_biv.
1882         * loop-unroll.c (analyze_iv_to_split_insn): Reject registers that
1883         don't have a scalar_int_mode.  Update call to biv_p.
1884
1885 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1886             Alan Hayward  <alan.hayward@arm.com>
1887             David Sherwood  <david.sherwood@arm.com>
1888
1889         * cfgexpand.c (convert_debug_memory_address): Use
1890         as_a <scalar_int_mode>.
1891         * combine.c (expand_compound_operation): Likewise.
1892         (make_extraction): Likewise.
1893         (change_zero_ext): Likewise.
1894         (simplify_comparison): Likewise.
1895         * cse.c (cse_insn): Likewise.
1896         * dwarf2out.c (minmax_loc_descriptor): Likewise.
1897         (mem_loc_descriptor): Likewise.
1898         (loc_descriptor): Likewise.
1899         * expmed.c (init_expmed_one_mode): Likewise.
1900         (synth_mult): Likewise.
1901         (emit_store_flag_1): Likewise.
1902         (expand_divmod): Likewise.  Use HWI_COMPUTABLE_MODE_P instead
1903         of a comparison with size.
1904         * expr.c (expand_assignment): Use as_a <scalar_int_mode>.
1905         (reduce_to_bit_field_precision): Likewise.
1906         * function.c (expand_function_end): Likewise.
1907         * internal-fn.c (expand_arith_overflow_result_store): Likewise.
1908         * loop-doloop.c (doloop_modify): Likewise.
1909         * optabs.c (expand_binop): Likewise.
1910         (expand_unop): Likewise.
1911         (expand_copysign_absneg): Likewise.
1912         (prepare_cmp_insn): Likewise.
1913         (maybe_legitimize_operand): Likewise.
1914         * recog.c (const_scalar_int_operand): Likewise.
1915         * rtlanal.c (get_address_mode): Likewise.
1916         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
1917         (simplify_cond_clz_ctz): Likewise.
1918         * tree-nested.c (get_nl_goto_field): Likewise.
1919         * tree.c (build_vector_type_for_mode): Likewise.
1920         * var-tracking.c (use_narrower_mode): Likewise.
1921
1922 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1923             Alan Hayward  <alan.hayward@arm.com>
1924             David Sherwood  <david.sherwood@arm.com>
1925
1926         * tree.h (SCALAR_INT_TYPE_MODE): New macro.
1927         * builtins.c (expand_builtin_signbit): Use it.
1928         * cfgexpand.c (expand_debug_expr): Likewise.
1929         * dojump.c (do_jump): Likewise.
1930         (do_compare_and_jump): Likewise.
1931         * dwarf2cfi.c (expand_builtin_init_dwarf_reg_sizes): Likewise.
1932         * expmed.c (make_tree): Likewise.
1933         * expr.c (expand_expr_real_2): Likewise.
1934         (expand_expr_real_1): Likewise.
1935         (try_casesi): Likewise.
1936         * fold-const-call.c (fold_const_call_ss): Likewise.
1937         * fold-const.c (unextend): Likewise.
1938         (extract_muldiv_1): Likewise.
1939         (fold_single_bit_test): Likewise.
1940         (native_encode_int): Likewise.
1941         (native_encode_string): Likewise.
1942         (native_interpret_int): Likewise.
1943         * gimple-fold.c (gimple_fold_builtin_memset): Likewise.
1944         * internal-fn.c (expand_addsub_overflow): Likewise.
1945         (expand_neg_overflow): Likewise.
1946         (expand_mul_overflow): Likewise.
1947         (expand_arith_overflow): Likewise.
1948         * match.pd: Likewise.
1949         * stor-layout.c (layout_type): Likewise.
1950         * tree-cfg.c (verify_gimple_assign_ternary): Likewise.
1951         * tree-ssa-math-opts.c (convert_mult_to_widen): Likewise.
1952         * tree-ssanames.c (get_range_info): Likewise.
1953         * tree-switch-conversion.c (array_value_type) Likewise.
1954         * tree-vect-patterns.c (vect_recog_rotate_pattern): Likewise.
1955         (vect_recog_divmod_pattern): Likewise.
1956         (vect_recog_mixed_size_cond_pattern): Likewise.
1957         * tree-vrp.c (extract_range_basic): Likewise.
1958         (simplify_float_conversion_using_ranges): Likewise.
1959         * tree.c (int_fits_type_p): Likewise.
1960         * ubsan.c (instrument_bool_enum_load): Likewise.
1961         * varasm.c (mergeable_string_section): Likewise.
1962         (narrowing_initializer_constant_valid_p): Likewise.
1963         (output_constant): Likewise.
1964
1965 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1966             Alan Hayward  <alan.hayward@arm.com>
1967             David Sherwood  <david.sherwood@arm.com>
1968
1969         * machmode.h (NARROWEST_INT_MODE): New macro.
1970         * expr.c (alignment_for_piecewise_move): Use it instead of
1971         GET_CLASS_NARROWEST_MODE (MODE_INT).
1972         (push_block): Likewise.
1973         * stor-layout.c (bit_field_mode_iterator::bit_field_mode_iterator):
1974         Likewise.
1975         * tree-vrp.c (simplify_float_conversion_using_ranges): Likewise.
1976
1977 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1978             Alan Hayward  <alan.hayward@arm.com>
1979             David Sherwood  <david.sherwood@arm.com>
1980
1981         * postreload.c (move2add_valid_value_p): Change the type of the
1982         mode parameter to scalar_int_mode.
1983         (move2add_use_add2_insn): Add a mode parameter and use it instead
1984         of GET_MODE (reg).
1985         (move2add_use_add3_insn): Likewise.
1986         (reload_cse_move2add): Update accordingly.
1987
1988 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1989             Alan Hayward  <alan.hayward@arm.com>
1990             David Sherwood  <david.sherwood@arm.com>
1991
1992         * expr.c (expand_expr_real_2): Use scalar_int_mode for the
1993         double-word mode.
1994         * lower-subreg.c (resolve_shift_zext): Use is_a <scalar_int_mode>.
1995         * optabs.c (expand_unop): Likewise.
1996
1997 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1998             Alan Hayward  <alan.hayward@arm.com>
1999             David Sherwood  <david.sherwood@arm.com>
2000
2001         * dwarf2out.c (typed_binop): Change mode parameter to scalar_int_mode.
2002         (clz_loc_descriptor): Likewise.  Remove SCALAR_INT_MODE_P check.
2003         (popcount_loc_descriptor): Likewise.
2004         (bswap_loc_descriptor): Likewise.
2005         (rotate_loc_descriptor): Likewise.
2006         (mem_loc_descriptor): Add is_a <scalar_int_mode> checks before
2007         calling the functions above.
2008
2009 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2010             Alan Hayward  <alan.hayward@arm.com>
2011             David Sherwood  <david.sherwood@arm.com>
2012
2013         * combine.c (sign_extend_short_imm): Add is_a <scalar_int_mode>
2014         checks.
2015         (try_combine): Likewise.
2016         (simplify_if_then_else): Likewise.
2017         * cse.c (cse_insn): Likewise.
2018         * dwarf2out.c (mem_loc_descriptor): Likewise.
2019         * emit-rtl.c (gen_lowpart_common): Likewise.
2020         * simplify-rtx.c (simplify_truncation): Likewise.
2021         (simplify_binary_operation_1): Likewise.
2022         (simplify_const_relational_operation): Likewise.
2023         (simplify_ternary_operation): Likewise.
2024         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
2025
2026 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2027             Alan Hayward  <alan.hayward@arm.com>
2028             David Sherwood  <david.sherwood@arm.com>
2029
2030         * cse.c (cse_insn): Add is_a <scalar_int_mode> checks.
2031         * reload.c (push_reload): Likewise.
2032         (find_reloads): Likewise.
2033
2034 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2035             Alan Hayward  <alan.hayward@arm.com>
2036             David Sherwood  <david.sherwood@arm.com>
2037
2038         * combine.c (find_split_point): Add is_a <scalar_int_mode> checks.
2039         (make_compound_operation_int): Likewise.
2040         (change_zero_ext): Likewise.
2041         * expr.c (convert_move): Likewise.
2042         (convert_modes): Likewise.
2043         * fwprop.c (forward_propagate_subreg): Likewise.
2044         * loop-iv.c (get_biv_step_1): Likewise.
2045         * optabs.c (widen_operand): Likewise.
2046         * postreload.c (move2add_valid_value_p): Likewise.
2047         * recog.c (simplify_while_replacing): Likewise.
2048         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
2049         (simplify_binary_operation_1): Likewise.  Remove redundant
2050         mode equality check.
2051
2052 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2053             Alan Hayward  <alan.hayward@arm.com>
2054             David Sherwood  <david.sherwood@arm.com>
2055
2056         * combine.c (combine_simplify_rtx): Add checks for
2057         is_a <scalar_int_mode>.
2058         (simplify_if_then_else): Likewise.
2059         (make_field_assignment): Likewise.
2060         (simplify_comparison): Likewise.
2061         * ifcvt.c (noce_try_bitop): Likewise.
2062         * loop-invariant.c (canonicalize_address_mult): Likewise.
2063         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
2064
2065 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2066             Alan Hayward  <alan.hayward@arm.com>
2067             David Sherwood  <david.sherwood@arm.com>
2068
2069         * gimple-fold.c (gimple_fold_builtin_memory_op): Use
2070         is_a <scalar_int_mode> instead of != BLKmode.
2071
2072 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2073             Alan Hayward  <alan.hayward@arm.com>
2074             David Sherwood  <david.sherwood@arm.com>
2075
2076         * cfgexpand.c (expand_debug_expr): Use is_a <scalar_int_mode>
2077         instead of != VOIDmode.
2078         * combine.c (if_then_else_cond): Likewise.
2079         (change_zero_ext): Likewise.
2080         * dwarf2out.c (mem_loc_descriptor): Likewise.
2081         (loc_descriptor): Likewise.
2082         * rtlanal.c (canonicalize_condition): Likewise.
2083         * simplify-rtx.c (simplify_relational_operation_1): Likewise.
2084
2085 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2086             Alan Hayward  <alan.hayward@arm.com>
2087             David Sherwood  <david.sherwood@arm.com>
2088
2089         * simplify-rtx.c (simplify_binary_operation_1): Use
2090         is_a <scalar_int_mode> instead of !VECTOR_MODE_P.
2091
2092 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2093             Alan Hayward  <alan.hayward@arm.com>
2094             David Sherwood  <david.sherwood@arm.com>
2095
2096         * wide-int.h (int_traits<unsigned char>) New class.
2097         (int_traits<unsigned short>) Likewise.
2098         * cfgexpand.c (expand_debug_expr): Use is_a <scalar_int_mode>.
2099         Use GET_MODE_UNIT_PRECISION and remove redundant test for
2100         SCALAR_INT_MODE_P.
2101         * combine.c (set_nonzero_bits_and_sign_copies): Use
2102         is_a <scalar_int_mode>.
2103         (find_split_point): Likewise.
2104         (combine_simplify_rtx): Likewise.
2105         (simplify_logical): Likewise.
2106         (expand_compound_operation): Likewise.
2107         (expand_field_assignment): Likewise.
2108         (make_compound_operation): Likewise.
2109         (extended_count): Likewise.
2110         (change_zero_ext): Likewise.
2111         (simplify_comparison): Likewise.
2112         * dwarf2out.c (scompare_loc_descriptor): Likewise.
2113         (ucompare_loc_descriptor): Likewise.
2114         (minmax_loc_descriptor): Likewise.
2115         (mem_loc_descriptor): Likewise.
2116         (loc_descriptor): Likewise.
2117         * expmed.c (init_expmed_one_mode): Likewise.
2118         * lra-constraints.c (lra_constraint_offset): Likewise.
2119         * optabs.c (prepare_libcall_arg): Likewise.
2120         * postreload.c (move2add_note_store): Likewise.
2121         * reload.c (operands_match_p): Likewise.
2122         * rtl.h (load_extend_op): Likewise.
2123         * rtlhooks.c (gen_lowpart_general): Likewise.
2124         * simplify-rtx.c (simplify_truncation): Likewise.
2125         (simplify_unary_operation_1): Likewise.
2126         (simplify_binary_operation_1): Likewise.
2127         (simplify_const_binary_operation): Likewise.
2128         (simplify_const_relational_operation): Likewise.
2129         (simplify_subreg): Likewise.
2130         * stor-layout.c (bitwise_mode_for_mode): Likewise.
2131         * var-tracking.c (adjust_mems): Likewise.
2132         (prepare_call_arguments): Likewise.
2133
2134 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2135             Alan Hayward  <alan.hayward@arm.com>
2136             David Sherwood  <david.sherwood@arm.com>
2137
2138         * machmode.h (is_int_mode): New fuction.
2139         * combine.c (find_split_point): Use it.
2140         (combine_simplify_rtx): Likewise.
2141         (simplify_if_then_else): Likewise.
2142         (simplify_set): Likewise.
2143         (simplify_shift_const_1): Likewise.
2144         (simplify_comparison): Likewise.
2145         * config/aarch64/aarch64.c (aarch64_rtx_costs): Likewise.
2146         * cse.c (notreg_cost): Likewise.
2147         (cse_insn): Likewise.
2148         * cselib.c (cselib_lookup_1): Likewise.
2149         * dojump.c (do_jump_1): Likewise.
2150         (do_compare_rtx_and_jump): Likewise.
2151         * dse.c (get_call_args): Likewise.
2152         * dwarf2out.c (rtl_for_decl_init): Likewise.
2153         (native_encode_initializer): Likewise.
2154         * expmed.c (emit_store_flag_1): Likewise.
2155         (emit_store_flag): Likewise.
2156         * expr.c (convert_modes): Likewise.
2157         (store_field): Likewise.
2158         (expand_expr_real_1): Likewise.
2159         * fold-const.c (fold_read_from_constant_string): Likewise.
2160         * gimple-ssa-sprintf.c (get_format_string): Likewise.
2161         * optabs-libfuncs.c (gen_int_libfunc): Likewise.
2162         * optabs.c (expand_binop): Likewise.
2163         (expand_unop): Likewise.
2164         (expand_abs_nojump): Likewise.
2165         (expand_one_cmpl_abs_nojump): Likewise.
2166         * simplify-rtx.c (mode_signbit_p): Likewise.
2167         (val_signbit_p): Likewise.
2168         (val_signbit_known_set_p): Likewise.
2169         (val_signbit_known_clear_p): Likewise.
2170         (simplify_relational_operation_1): Likewise.
2171         * tree.c (vector_type_mode): Likewise.
2172
2173 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2174             Alan Hayward  <alan.hayward@arm.com>
2175             David Sherwood  <david.sherwood@arm.com>
2176
2177         * machmode.h (smallest_mode_for_size): Fix formatting.
2178         (smallest_int_mode_for_size): New function.
2179         * cfgexpand.c (expand_debug_expr): Use smallest_int_mode_for_size
2180         instead of smallest_mode_for_size.
2181         * combine.c (make_extraction): Likewise.
2182         * config/arc/arc.c (arc_expand_movmem): Likewise.
2183         * config/arm/arm.c (arm_expand_divmod_libfunc): Likewise.
2184         * config/i386/i386.c (ix86_get_mask_mode): Likewise.
2185         * config/s390/s390.c (s390_expand_insv): Likewise.
2186         * config/sparc/sparc.c (assign_int_registers): Likewise.
2187         * config/spu/spu.c (spu_function_value): Likewise.
2188         (spu_function_arg): Likewise.
2189         * coverage.c (get_gcov_type): Likewise.
2190         (get_gcov_unsigned_t): Likewise.
2191         * dse.c (find_shift_sequence): Likewise.
2192         * expmed.c (store_bit_field_1): Likewise.
2193         * expr.c (convert_move): Likewise.
2194         (store_field): Likewise.
2195         * internal-fn.c (expand_arith_overflow): Likewise.
2196         * optabs-query.c (get_best_extraction_insn): Likewise.
2197         * optabs.c (expand_twoval_binop_libfunc): Likewise.
2198         * stor-layout.c (layout_type): Likewise.
2199         (initialize_sizetypes): Likewise.
2200         * targhooks.c (default_get_mask_mode): Likewise.
2201         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Likewise.
2202
2203 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2204             Alan Hayward  <alan.hayward@arm.com>
2205             David Sherwood  <david.sherwood@arm.com>
2206
2207         * machmode.h (opt_mode::else_blk): New function.
2208         (int_mode_for_mode): Declare.
2209         * stor-layout.c (int_mode_for_mode): Return an opt_scalar_int_mode.
2210         * builtins.c (expand_builtin_signbit): Adjust for new int_mode_for_mode
2211         return type.
2212         * cfgexpand.c (expand_debug_expr): Likewise.
2213         * combine.c (gen_lowpart_or_truncate): Likewise.
2214         (gen_lowpart_for_combine): Likewise.
2215         * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Likewise.
2216         * config/avr/avr.c (avr_to_int_mode): Likewise.
2217         (avr_out_plus_1): Likewise.
2218         (avr_out_plus): Likewise.
2219         (avr_out_round): Likewise.
2220         * config/i386/i386.c (ix86_split_to_parts): Likewise.
2221         * config/s390/s390.c (s390_expand_vec_compare_cc): Likewise.
2222         (s390_expand_vcond): Likewise.
2223         * config/spu/spu.c (spu_split_immediate): Likewise.
2224         (spu_expand_mov): Likewise.
2225         * dse.c (get_stored_val): Likewise.
2226         * expmed.c (store_bit_field_1): Likewise.
2227         (convert_extracted_bit_field): Use int_mode_for_mode instead of
2228         int_mode_for_size.
2229         (extract_bit_field_1): Adjust for new int_mode_for_mode return type.
2230         (extract_low_bits): Likewise.
2231         * expr.c (emit_group_load_1): Likewise.  Separate out the BLKmode
2232         handling rather than repeating the check.
2233         (emit_group_store): Likewise.
2234         (emit_move_via_integer): Adjust for new int_mode_for_mode return type.
2235         * optabs.c (expand_absneg_bit): Likewise.
2236         (expand_copysign_absneg): Likewise.
2237         (expand_copysign_bit): Likewise.
2238         * tree-if-conv.c (ifcvt_can_use_mask_load_store): Likewise.
2239         * tree-vect-slp.c (vect_transform_slp_perm_load): Likewise.
2240         * tree-vect-stmts.c (vect_gen_perm_mask_any): Likewise.
2241         * var-tracking.c (prepare_call_arguments):  Likewise.
2242         * config/powerpcspe/powerpcspe.c (rs6000_do_expand_vec_perm): Use
2243         int_mode_for_mode instead of mode_for_size.
2244         * config/rs6000/rs6000.c (rs6000_do_expand_vec_perm): Likewise.
2245
2246 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2247             Alan Hayward  <alan.hayward@arm.com>
2248             David Sherwood  <david.sherwood@arm.com>
2249
2250         * machmode.h (int_mode_for_size): New function.
2251         * builtins.c (set_builtin_user_assembler_name): Use int_mode_for_size
2252         instead of mode_for_size.
2253         * calls.c (save_fixed_argument_area): Likewise.  Make use of BLKmode
2254         explicit.
2255         * combine.c (expand_field_assignment): Use int_mode_for_size
2256         instead of mode_for_size.
2257         (make_extraction): Likewise.
2258         (simplify_shift_const_1): Likewise.
2259         (simplify_comparison): Likewise.
2260         * dojump.c (do_jump): Likewise.
2261         * dwarf2out.c (mem_loc_descriptor): Likewise.
2262         * emit-rtl.c (init_derived_machine_modes): Likewise.
2263         * expmed.c (flip_storage_order): Likewise.
2264         (convert_extracted_bit_field): Likewise.
2265         * expr.c (copy_blkmode_from_reg): Likewise.
2266         * graphite-isl-ast-to-gimple.c (max_mode_int_precision): Likewise.
2267         * internal-fn.c (expand_mul_overflow): Likewise.
2268         * lower-subreg.c (simple_move): Likewise.
2269         * optabs-libfuncs.c (init_optabs): Likewise.
2270         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
2271         * tree.c (vector_type_mode): Likewise.
2272         * tree-ssa-strlen.c (handle_builtin_memcmp): Likewise.
2273         * tree-vect-data-refs.c (vect_lanes_optab_supported_p): Likewise.
2274         * tree-vect-generic.c (expand_vector_parallel): Likewise.
2275         * tree-vect-stmts.c (vectorizable_load): Likewise.
2276         (vectorizable_store): Likewise.
2277
2278 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2279             Alan Hayward  <alan.hayward@arm.com>
2280             David Sherwood  <david.sherwood@arm.com>
2281
2282         * coretypes.h (pod_mode): New type.
2283         (scalar_int_mode_pod): New typedef.
2284         * machmode.h (pod_mode): New class.
2285         (int_n_data_t::m): Change type to scalar_int_mode_pod.
2286         * genmodes.c (emit_mode_int_n): Update accordingly.
2287         * lower-subreg.h (target_lower_subreg): Change type to
2288         scalar_int_mode_pod.
2289         * gdbhooks.py (build_pretty_printer): Handle pod_mode and
2290         scalar_int_mode_pod.
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         * config/powerpcspe/powerpcspe.h (rs6000_pmode): Change type from
2297         machine_mode to scalar_int_mode.
2298         * config/powerpcspe/powerpcspe.c (rs6000_pmode): Likewise.
2299         (rs6000_option_override_internal): Remove cast to int.
2300         * config/rs6000/rs6000.h (rs6000_pmode): Change type from
2301         machine_mode to scalar_int_mode.
2302         * config/rs6000/rs6000.c (rs6000_pmode): Likewise.
2303         (rs6000_option_override_internal): Remove cast to int.
2304         * config/s390/s390.h (Pmode): Remove cast to machine_mode.
2305         * config/epiphany/epiphany.h (RTX_OK_FOR_OFFSET_P): Add cast
2306         to machine_mode.
2307         * config/s390/s390.c (s390_expand_builtin): Likewise.
2308         * coretypes.h (scalar_int_mode): New type.
2309         (opt_scalar_int_mode): New typedef.
2310         * machmode.h (scalar_int_mode): New class.
2311         (scalar_int_mode::includes_p): New function.
2312         (byte_mode): Change type to scalar_int_mode.
2313         (word_mode): Likewise.
2314         (ptr_mode): Likewise.
2315         * emit-rtl.c (byte_mode): Likewise.
2316         (word_mode): Likewise.
2317         (ptr_mode): Likewise.
2318         (init_derived_machine_modes): Update accordingly.
2319         * genmodes.c (get_mode_class): Return scalar_int_mode for MODE_INT
2320         and MODE_PARTIAL_INT.
2321         * gdbhooks.py (build_pretty_printer): Handle scalar_int_mode and
2322         opt_scalar_int_mode.
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         * target.def (libgcc_floating_mode_supported_p): Take a
2329         scalar_float_mode.
2330         * doc/tm.texi: Regenerate.
2331         * targhooks.h (default_libgcc_floating_mode_supported_p): Take a
2332         scalar_float_mode.
2333         * targhooks.c (default_libgcc_floating_mode_supported_p): Likewise.
2334         * config/aarch64/aarch64.c (aarch64_libgcc_floating_mode_supported_p):
2335         Likewise.
2336
2337 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2338             Alan Hayward  <alan.hayward@arm.com>
2339             David Sherwood  <david.sherwood@arm.com>
2340
2341         * target.def (default_floatn_mode): Return an opt_scalar_float_mode.
2342         * doc/tm.texi: Regenerate.
2343         * config/arm/arm.c (arm_floatn_mode): Return an opt_scalar_float_mode.
2344         * config/powerpcspe/powerpcspe.c (rs6000_floatn_mode): Likewise.
2345         * config/rs6000/rs6000.c (rs6000_floatn_mode): Likewise.
2346         * targhooks.h (default_floatn_mode): Likewise.
2347         * targhooks.c (default_floatn_mode): Likewise.
2348         * tree.c (build_common_tree_nodes): Update accordingly.
2349
2350 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2351             Alan Hayward  <alan.hayward@arm.com>
2352             David Sherwood  <david.sherwood@arm.com>
2353
2354         * machmode.h (mode_iterator::start): Provide overload for opt_modes.
2355         (mode_iterator::iterate_p): Likewise.
2356         (mode_iterator::get_wider): Likewise.
2357         * expr.c (init_expr_target): Use opt_scalar_float_mode.
2358
2359 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2360             Alan Hayward  <alan.hayward@arm.com>
2361             David Sherwood  <david.sherwood@arm.com>
2362
2363         * coretypes.h (opt_scalar_float_mode): New typedef.
2364         * machmode.h (float_mode_for_size): New function.
2365         * emit-rtl.c (double_mode): Delete.
2366         (init_emit_once): Use float_mode_for_size.
2367         * stor-layout.c (layout_type): Likewise.
2368         * gdbhooks.py (build_pretty_printer): Handle opt_scalar_float_mode.
2369
2370 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2371             Alan Hayward  <alan.hayward@arm.com>
2372             David Sherwood  <david.sherwood@arm.com>
2373
2374         * output.h (assemble_real): Take a scalar_float_mode.
2375         * config/arm/arm.c (arm_assemble_integer): Update accordingly.
2376         * config/arm/arm.md (consttable_4): Likewise.
2377         (consttable_8): Likewise.
2378         (consttable_16): Likewise.
2379         * config/mips/mips.md (consttable_float): Likewise.
2380         * config/s390/s390.c (s390_output_pool_entry): Likewise.
2381         * varasm.c (assemble_real): Take a scalar_float_mode.
2382         (output_constant_pool_2): Update accordingly.
2383         (output_constant): Likewise.
2384
2385 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2386             Alan Hayward  <alan.hayward@arm.com>
2387             David Sherwood  <david.sherwood@arm.com>
2388
2389         * tree.h (SCALAR_FLOAT_TYPE_MODE): New macro.
2390         * builtins.c (expand_builtin_signbit): Use it instead of TYPE_MODE.
2391         * fold-const.c (fold_convert_const_real_from_fixed): Likewise.
2392         (native_encode_real): Likewise.
2393         (native_interpret_real): Likewise.
2394         * hsa-brig.c (emit_immediate_scalar_to_buffer): Likewise.
2395         * tree-vrp.c (simplify_float_conversion_using_ranges): Likewise.
2396
2397 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2398             Alan Hayward  <alan.hayward@arm.com>
2399             David Sherwood  <david.sherwood@arm.com>
2400
2401         * optabs-libfuncs.c (gen_trunc_conv_libfunc): Use is_a
2402         <scalar_float_mode>.  Simplify.
2403         (gen_extend_conv_libfunc): Likewise.
2404
2405 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2406             Alan Hayward  <alan.hayward@arm.com>
2407             David Sherwood  <david.sherwood@arm.com>
2408
2409         * coretypes.h (scalar_float_mode): New type.
2410         * machmode.h (mode_traits::from_int): Use machine_mode if
2411         USE_ENUM_MODES is defined.
2412         (is_a): New function.
2413         (as_a): Likewise.
2414         (dyn_cast): Likewise.
2415         (scalar_float_mode): New class.
2416         (scalar_float_mode::includes_p): New function.
2417         (is_float_mode): Likewise.
2418         * gdbhooks.py (MachineModePrinter): New class.
2419         (build_pretty_printer): Use it for scalar_float_mode.
2420         * real.h (FLOAT_MODE_FORMAT): Use as_a <scalar_float_mode>.
2421         (format_helper::format_helper): Turn into a template.
2422         * genmodes.c (get_mode_class): New function.
2423         (emit_insn_modes_h): Give modes the class returned by get_mode_class,
2424         or machine_mode if none.
2425         * config/aarch64/aarch64.c (aarch64_simd_valid_immediate): Use
2426         as_a <scalar_float_mode>.
2427         * dwarf2out.c (mem_loc_descriptor): Likewise.
2428         (insert_float): Likewise.
2429         (add_const_value_attribute): Likewise.
2430         * simplify-rtx.c (simplify_immed_subreg): Likewise.
2431         * optabs.c (expand_absneg_bit): Take a scalar_float_mode.
2432         (expand_unop): Update accordingly.
2433         (expand_abs_nojump): Likewise.
2434         (expand_copysign_absneg): Take a scalar_float_mode.
2435         (expand_copysign_bit): Likewise.
2436         (expand_copysign): Update accordingly.
2437
2438 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2439             Alan Hayward  <alan.hayward@arm.com>
2440             David Sherwood  <david.sherwood@arm.com>
2441
2442         * coretypes.h (opt_mode): New class.
2443         * machmode.h (opt_mode): Likewise.
2444         (opt_mode::else_void): New function.
2445         (opt_mode::require): Likewise.
2446         (opt_mode::exists): Likewise.
2447         (GET_MODE_WIDER_MODE): Turn into a function and return an opt_mode.
2448         (GET_MODE_2XWIDER_MODE): Likewise.
2449         (mode_iterator::get_wider): Update accordingly.
2450         (mode_iterator::get_2xwider): Likewise.
2451         (mode_iterator::get_known_wider): Likewise, turning into a template.
2452         * combine.c (make_extraction): Update use of GET_MODE_WIDER_MODE,
2453         forcing a wider mode to exist.
2454         * config/cr16/cr16.h (LONG_REG_P): Likewise.
2455         * rtlanal.c (init_num_sign_bit_copies_in_rep): Likewise.
2456         * config/c6x/c6x.c (c6x_rtx_costs): Update use of
2457         GET_MODE_2XWIDER_MODE, forcing a wider mode to exist.
2458         * lower-subreg.c (init_lower_subreg): Likewise.
2459         * optabs-libfuncs.c (init_sync_libfuncs_1): Likewise, but not
2460         on the final iteration.
2461         * config/i386/i386.c (ix86_expand_set_or_movmem): Check whether
2462         a wider mode exists before asking for a move pattern.
2463         (get_mode_wider_vector): Update use of GET_MODE_WIDER_MODE,
2464         forcing a wider mode to exist.
2465         (expand_vselect_vconcat): Update use of GET_MODE_2XWIDER_MODE,
2466         returning false if no such mode exists.
2467         * config/ia64/ia64.c (expand_vselect_vconcat): Likewise.
2468         * config/mips/mips.c (mips_expand_vselect_vconcat): Likewise.
2469         * expmed.c (init_expmed_one_mode): Update use of GET_MODE_WIDER_MODE.
2470         Avoid checking for a MODE_INT if we already know the mode is not a
2471         SCALAR_INT_MODE_P.
2472         (extract_high_half): Update use of GET_MODE_WIDER_MODE,
2473         forcing a wider mode to exist.
2474         (expmed_mult_highpart_optab): Likewise.
2475         (expmed_mult_highpart): Likewise.
2476         * expr.c (expand_expr_real_2): Update use of GET_MODE_WIDER_MODE,
2477         using else_void.
2478         * lto-streamer-in.c (lto_input_mode_table): Likewise.
2479         * optabs-query.c (find_widening_optab_handler_and_mode): Likewise.
2480         * stor-layout.c (bit_field_mode_iterator::next_mode): Likewise.
2481         * internal-fn.c (expand_mul_overflow): Update use of
2482         GET_MODE_2XWIDER_MODE.
2483         * omp-low.c (omp_clause_aligned_alignment): Likewise.
2484         * tree-ssa-math-opts.c (convert_mult_to_widen): Update use of
2485         GET_MODE_WIDER_MODE.
2486         (convert_plusminus_to_widen): Likewise.
2487         * tree-switch-conversion.c (array_value_type): Likewise.
2488         * var-tracking.c (emit_note_insn_var_location): Likewise.
2489         * tree-vrp.c (simplify_float_conversion_using_ranges): Likewise.
2490         Return false inside rather than outside the loop if no wider mode
2491         exists
2492         * optabs.c (expand_binop): Update use of GET_MODE_WIDER_MODE
2493         and GET_MODE_2XWIDER_MODE
2494         (can_compare_p): Use else_void.
2495         * gdbhooks.py (OptMachineModePrinter): New class.
2496         (build_pretty_printer): Use it for opt_mode.
2497
2498 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2499             Alan Hayward  <alan.hayward@arm.com>
2500             David Sherwood  <david.sherwood@arm.com>
2501
2502         * tree-switch-conversion.c (array_value_type): Only read TYPE_MODE
2503         once.  Use get_narrowest_mode instead of GET_CLASS_NARROWEST_MODE.
2504
2505 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2506             Alan Hayward  <alan.hayward@arm.com>
2507             David Sherwood  <david.sherwood@arm.com>
2508
2509         * machmode.h (mode_traits): New structure.
2510         (get_narrowest_mode): New function.
2511         (mode_iterator::start): Likewise.
2512         (mode_iterator::iterate_p): Likewise.
2513         (mode_iterator::get_wider): Likewise.
2514         (mode_iterator::get_known_wider): Likewise.
2515         (mode_iterator::get_2xwider): Likewise.
2516         (FOR_EACH_MODE_IN_CLASS): New mode iterator.
2517         (FOR_EACH_MODE): Likewise.
2518         (FOR_EACH_MODE_FROM): Likewise.
2519         (FOR_EACH_MODE_UNTIL): Likewise.
2520         (FOR_EACH_WIDER_MODE): Likewise.
2521         (FOR_EACH_2XWIDER_MODE): Likewise.
2522         * builtins.c (expand_builtin_strlen): Use new mode iterators.
2523         * combine.c (simplify_comparison): Likewise
2524         * config/i386/i386.c (type_natural_mode): Likewise.
2525         * cse.c (cse_insn): Likewise.
2526         * dse.c (find_shift_sequence): Likewise.
2527         * emit-rtl.c (init_derived_machine_modes): Likewise.
2528         (init_emit_once): Likewise.
2529         * explow.c (hard_function_value): Likewise.
2530         * expmed.c (extract_fixed_bit_field_1): Likewise.
2531         (extract_bit_field_1): Likewise.
2532         (expand_divmod): Likewise.
2533         (emit_store_flag_1): Likewise.
2534         * expr.c (init_expr_target): Likewise.
2535         (convert_move): Likewise.
2536         (alignment_for_piecewise_move): Likewise.
2537         (widest_int_mode_for_size): Likewise.
2538         (emit_block_move_via_movmem): Likewise.
2539         (copy_blkmode_to_reg): Likewise.
2540         (set_storage_via_setmem): Likewise.
2541         (compress_float_constant): Likewise.
2542         * omp-low.c (omp_clause_aligned_alignment): Likewise.
2543         * optabs-query.c (get_best_extraction_insn): Likewise.
2544         * optabs.c (expand_binop): Likewise.
2545         (expand_twoval_unop): Likewise.
2546         (expand_twoval_binop): Likewise.
2547         (widen_leading): Likewise.
2548         (widen_bswap): Likewise.
2549         (expand_parity): Likewise.
2550         (expand_unop): Likewise.
2551         (prepare_cmp_insn): Likewise.
2552         (prepare_float_lib_cmp): Likewise.
2553         (expand_float): Likewise.
2554         (expand_fix): Likewise.
2555         (expand_sfix_optab): Likewise.
2556         * postreload.c (move2add_use_add2_insn): Likewise.
2557         * reg-stack.c (reg_to_stack): Likewise.
2558         * reginfo.c (choose_hard_reg_mode): Likewise.
2559         * rtlanal.c (init_num_sign_bit_copies_in_rep): Likewise.
2560         * stor-layout.c (mode_for_size): Likewise.
2561         (smallest_mode_for_size): Likewise.
2562         (mode_for_vector): Likewise.
2563         (finish_bitfield_representative): Likewise.
2564         * tree-ssa-math-opts.c (target_supports_divmod_p): Likewise.
2565         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
2566         * tree-vect-stmts.c (vectorizable_conversion): Likewise.
2567         * var-tracking.c (prepare_call_arguments): Likewise.
2568
2569 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2570             Alan Hayward  <alan.hayward@arm.com>
2571             David Sherwood  <david.sherwood@arm.com>
2572
2573         * genconditions.c (write_header): Add a "#define USE_ENUM_MODES".
2574         * genmodes.c (emit_insn_modes_h): Define FOOmode to E_FOOmode if
2575         USE_ENUM_MODES is defined and to ((void) 0, E_FOOmode) otherwise.
2576         * machmode.h (mode_size): Move earlier in file.
2577         (mode_precision): Likewise.
2578         (mode_inner): Likewise.
2579         (mode_nunits): Likewise.
2580         (mode_unit_size): Likewise.
2581         (unit_unit_precision): Likewise.
2582         (mode_wider): Likewise.
2583         (mode_2xwider): Likewise.
2584         (machine_mode): New class.
2585         (mode_to_bytes): New function.
2586         (mode_to_bits): Likewise.
2587         (mode_to_precision): Likewise.
2588         (mode_to_inner): Likewise.
2589         (mode_to_unit_size): Likewise.
2590         (mode_to_unit_precision): Likewise.
2591         (mode_to_nunits): Likewise.
2592         (GET_MODE_SIZE): Use mode_to_bytes.
2593         (GET_MODE_BITSIZE): Use mode_to_bits.
2594         (GET_MODE_PRECISION): Use mode_to_precision.
2595         (GET_MODE_INNER): Use mode_to_inner.
2596         (GET_MODE_UNIT_SIZE): Use mode_to_unit_size.
2597         (GET_MODE_UNIT_PRECISION): Use mode_to_unit_precision.
2598         (GET_MODE_NUNITS): Use mode_to_nunits.
2599         * system.h (ALWAYS_INLINE): New macro.
2600         * config/powerpcspe/powerpcspe-c.c
2601         (altivec_resolve_overloaded_builtin): Use machine_mode instead of
2602         int for arg1_mode and arg2_mode.
2603
2604 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2605             Alan Hayward  <alan.hayward@arm.com>
2606             David Sherwood  <david.sherwood@arm.com>
2607
2608         * config/aarch64/aarch64-builtins.c (aarch64_simd_builtin_std_type):
2609         Prefix mode names with E_ in case statements.
2610         * config/aarch64/aarch64-elf.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
2611         * config/aarch64/aarch64.c (aarch64_split_simd_combine): Likewise.
2612         (aarch64_split_simd_move): Likewise.
2613         (aarch64_gen_storewb_pair): Likewise.
2614         (aarch64_gen_loadwb_pair): Likewise.
2615         (aarch64_gen_store_pair): Likewise.
2616         (aarch64_gen_load_pair): Likewise.
2617         (aarch64_get_condition_code_1): Likewise.
2618         (aarch64_constant_pool_reload_icode): Likewise.
2619         (get_rsqrte_type): Likewise.
2620         (get_rsqrts_type): Likewise.
2621         (get_recpe_type): Likewise.
2622         (get_recps_type): Likewise.
2623         (aarch64_gimplify_va_arg_expr): Likewise.
2624         (aarch64_simd_container_mode): Likewise.
2625         (aarch64_emit_load_exclusive): Likewise.
2626         (aarch64_emit_store_exclusive): Likewise.
2627         (aarch64_expand_compare_and_swap): Likewise.
2628         (aarch64_gen_atomic_cas): Likewise.
2629         (aarch64_emit_bic): Likewise.
2630         (aarch64_emit_atomic_swap): Likewise.
2631         (aarch64_emit_atomic_load_op): Likewise.
2632         (aarch64_evpc_trn): Likewise.
2633         (aarch64_evpc_uzp): Likewise.
2634         (aarch64_evpc_zip): Likewise.
2635         (aarch64_evpc_ext): Likewise.
2636         (aarch64_evpc_rev): Likewise.
2637         (aarch64_evpc_dup): Likewise.
2638         (aarch64_gen_ccmp_first): Likewise.
2639         (aarch64_gen_ccmp_next): Likewise.
2640         * config/alpha/alpha.c (alpha_scalar_mode_supported_p): Likewise.
2641         (alpha_emit_xfloating_libcall): Likewise.
2642         (emit_insxl): Likewise.
2643         (alpha_arg_type): Likewise.
2644         * config/arc/arc.c (arc_vector_mode_supported_p): Likewise.
2645         (arc_preferred_simd_mode): Likewise.
2646         (arc_secondary_reload): Likewise.
2647         (get_arc_condition_code): Likewise.
2648         (arc_print_operand): Likewise.
2649         (arc_legitimate_constant_p): Likewise.
2650         * config/arc/arc.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
2651         * config/arc/arc.md (casesi_load): Likewise.
2652         (casesi_compact_jump): Likewise.
2653         * config/arc/predicates.md (proper_comparison_operator): Likewise.
2654         (cc_use_register): Likewise.
2655         * config/arm/aout.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
2656         * config/arm/arm-builtins.c (arm_simd_builtin_std_type): Likewise.
2657         (arm_init_iwmmxt_builtins): Likewise.
2658         * config/arm/arm.c (thumb1_size_rtx_costs): Likewise.
2659         (neon_expand_vector_init): Likewise.
2660         (arm_attr_length_move_neon): Likewise.
2661         (maybe_get_arm_condition_code): Likewise.
2662         (arm_emit_vector_const): Likewise.
2663         (arm_preferred_simd_mode): Likewise.
2664         (arm_output_iwmmxt_tinsr): Likewise.
2665         (thumb1_output_casesi): Likewise.
2666         (thumb2_output_casesi): Likewise.
2667         (arm_emit_load_exclusive): Likewise.
2668         (arm_emit_store_exclusive): Likewise.
2669         (arm_expand_compare_and_swap): Likewise.
2670         (arm_evpc_neon_vuzp): Likewise.
2671         (arm_evpc_neon_vzip): Likewise.
2672         (arm_evpc_neon_vrev): Likewise.
2673         (arm_evpc_neon_vtrn): Likewise.
2674         (arm_evpc_neon_vext): Likewise.
2675         (arm_validize_comparison): Likewise.
2676         * config/arm/neon.md (neon_vc<cmp_op><mode>): Likewise.
2677         * config/avr/avr-c.c (avr_resolve_overloaded_builtin): Likewise.
2678         * config/avr/avr.c (avr_rtx_costs_1): Likewise.
2679         * config/c6x/c6x.c (c6x_vector_mode_supported_p): Likewise.
2680         (c6x_preferred_simd_mode): Likewise.
2681         * config/epiphany/epiphany.c (get_epiphany_condition_code): Likewise.
2682         (epiphany_rtx_costs): Likewise.
2683         * config/epiphany/predicates.md (proper_comparison_operator):
2684         Likewise.
2685         * config/frv/frv.c (condexec_memory_operand): Likewise.
2686         (frv_emit_move): Likewise.
2687         (output_move_single): Likewise.
2688         (output_condmove_single): Likewise.
2689         (frv_hard_regno_mode_ok): Likewise.
2690         (frv_matching_accg_mode): Likewise.
2691         * config/h8300/h8300.c (split_adds_subs): Likewise.
2692         (h8300_rtx_costs): Likewise.
2693         (h8300_print_operand): Likewise.
2694         (compute_mov_length): Likewise.
2695         (output_logical_op): Likewise.
2696         (compute_logical_op_length): Likewise.
2697         (compute_logical_op_cc): Likewise.
2698         (h8300_shift_needs_scratch_p): Likewise.
2699         (output_a_shift): Likewise.
2700         (compute_a_shift_length): Likewise.
2701         (compute_a_shift_cc): Likewise.
2702         (expand_a_rotate): Likewise.
2703         (output_a_rotate): Likewise.
2704         * config/i386/i386.c (classify_argument): Likewise.
2705         (function_arg_advance_32): Likewise.
2706         (function_arg_32): Likewise.
2707         (function_arg_64): Likewise.
2708         (function_value_64): Likewise.
2709         (ix86_gimplify_va_arg): Likewise.
2710         (ix86_legitimate_constant_p): Likewise.
2711         (put_condition_code): Likewise.
2712         (split_double_mode): Likewise.
2713         (ix86_avx256_split_vector_move_misalign): Likewise.
2714         (ix86_expand_vector_logical_operator): Likewise.
2715         (ix86_split_idivmod): Likewise.
2716         (ix86_expand_adjust_ufix_to_sfix_si): Likewise.
2717         (ix86_build_const_vector): Likewise.
2718         (ix86_build_signbit_mask): Likewise.
2719         (ix86_match_ccmode): Likewise.
2720         (ix86_cc_modes_compatible): Likewise.
2721         (ix86_expand_branch): Likewise.
2722         (ix86_expand_sse_cmp): Likewise.
2723         (ix86_expand_sse_movcc): Likewise.
2724         (ix86_expand_int_sse_cmp): Likewise.
2725         (ix86_expand_vec_perm_vpermi2): Likewise.
2726         (ix86_expand_vec_perm): Likewise.
2727         (ix86_expand_sse_unpack): Likewise.
2728         (ix86_expand_int_addcc): Likewise.
2729         (ix86_split_to_parts): Likewise.
2730         (ix86_vectorize_builtin_gather): Likewise.
2731         (ix86_vectorize_builtin_scatter): Likewise.
2732         (avx_vpermilp_parallel): Likewise.
2733         (inline_memory_move_cost): Likewise.
2734         (ix86_tieable_integer_mode_p): Likewise.
2735         (x86_maybe_negate_const_int): Likewise.
2736         (ix86_expand_vector_init_duplicate): Likewise.
2737         (ix86_expand_vector_init_one_nonzero): Likewise.
2738         (ix86_expand_vector_init_one_var): Likewise.
2739         (ix86_expand_vector_init_concat): Likewise.
2740         (ix86_expand_vector_init_interleave): Likewise.
2741         (ix86_expand_vector_init_general): Likewise.
2742         (ix86_expand_vector_set): Likewise.
2743         (ix86_expand_vector_extract): Likewise.
2744         (emit_reduc_half): Likewise.
2745         (ix86_emit_i387_round): Likewise.
2746         (ix86_mangle_type): Likewise.
2747         (ix86_expand_round_sse4): Likewise.
2748         (expand_vec_perm_blend): Likewise.
2749         (canonicalize_vector_int_perm): Likewise.
2750         (ix86_expand_vec_one_operand_perm_avx512): Likewise.
2751         (expand_vec_perm_1): Likewise.
2752         (expand_vec_perm_interleave3): Likewise.
2753         (expand_vec_perm_even_odd_pack): Likewise.
2754         (expand_vec_perm_even_odd_1): Likewise.
2755         (expand_vec_perm_broadcast_1): Likewise.
2756         (ix86_vectorize_vec_perm_const_ok): Likewise.
2757         (ix86_expand_vecop_qihi): Likewise.
2758         (ix86_expand_mul_widen_hilo): Likewise.
2759         (ix86_expand_sse2_abs): Likewise.
2760         (ix86_expand_pextr): Likewise.
2761         (ix86_expand_pinsr): Likewise.
2762         (ix86_preferred_simd_mode): Likewise.
2763         (ix86_simd_clone_compute_vecsize_and_simdlen): Likewise.
2764         * config/i386/sse.md (*andnot<mode>3): Likewise.
2765         (<mask_codefor><code><mode>3<mask_name>): Likewise.
2766         (*<code><mode>3): Likewise.
2767         * config/ia64/ia64.c (ia64_expand_vecint_compare): Likewise.
2768         (ia64_expand_atomic_op): Likewise.
2769         (ia64_arg_type): Likewise.
2770         (ia64_mode_to_int): Likewise.
2771         (ia64_scalar_mode_supported_p): Likewise.
2772         (ia64_vector_mode_supported_p): Likewise.
2773         (expand_vec_perm_broadcast): Likewise.
2774         * config/iq2000/iq2000.c (iq2000_move_1word): Likewise.
2775         (iq2000_function_arg_advance): Likewise.
2776         (iq2000_function_arg): Likewise.
2777         * config/m32c/m32c.c (m32c_preferred_reload_class): Likewise.
2778         * config/m68k/m68k.c (output_dbcc_and_branch): Likewise.
2779         (m68k_libcall_value): Likewise.
2780         (m68k_function_value): Likewise.
2781         (sched_attr_op_type): Likewise.
2782         * config/mcore/mcore.c (mcore_output_move): Likewise.
2783         * config/microblaze/microblaze.c (microblaze_function_arg_advance):
2784         Likewise.
2785         (microblaze_function_arg): Likewise.
2786         * config/mips/mips.c (mips16_build_call_stub): Likewise.
2787         (mips_print_operand): Likewise.
2788         (mips_mode_ok_for_mov_fmt_p): Likewise.
2789         (mips_vector_mode_supported_p): Likewise.
2790         (mips_preferred_simd_mode): Likewise.
2791         (mips_expand_vpc_loongson_even_odd): Likewise.
2792         (mips_expand_vec_unpack): Likewise.
2793         (mips_expand_vi_broadcast): Likewise.
2794         (mips_expand_vector_init): Likewise.
2795         (mips_expand_vec_reduc): Likewise.
2796         (mips_expand_msa_cmp): Likewise.
2797         * config/mips/mips.md (casesi_internal_mips16_<mode>): Likewise.
2798         * config/mn10300/mn10300.c (mn10300_print_operand): Likewise.
2799         (cc_flags_for_mode): Likewise.
2800         * config/msp430/msp430.c (msp430_print_operand): Likewise.
2801         * config/nds32/nds32-md-auxiliary.c (nds32_mem_format): Likewise.
2802         (nds32_output_casesi_pc_relative): Likewise.
2803         * config/nds32/nds32.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
2804         * config/nvptx/nvptx.c (nvptx_ptx_type_from_mode): Likewise.
2805         (nvptx_gen_unpack): Likewise.
2806         (nvptx_gen_pack): Likewise.
2807         (nvptx_gen_shuffle): Likewise.
2808         (nvptx_gen_wcast): Likewise.
2809         (nvptx_preferred_simd_mode): Likewise.
2810         * config/pa/pa.c (pa_secondary_reload): Likewise.
2811         * config/pa/predicates.md (base14_operand): Likewise.
2812         * config/powerpcspe/powerpcspe-c.c
2813         (altivec_resolve_overloaded_builtin): Likewise.
2814         * config/powerpcspe/powerpcspe.c (rs6000_setup_reg_addr_masks):
2815         Likewise.
2816         (rs6000_preferred_simd_mode): Likewise.
2817         (output_vec_const_move): Likewise.
2818         (rs6000_expand_vector_extract): Likewise.
2819         (rs6000_split_vec_extract_var): Likewise.
2820         (reg_offset_addressing_ok_p): Likewise.
2821         (rs6000_legitimate_offset_address_p): Likewise.
2822         (rs6000_legitimize_address): Likewise.
2823         (rs6000_emit_set_const): Likewise.
2824         (rs6000_const_vec): Likewise.
2825         (rs6000_emit_move): Likewise.
2826         (spe_build_register_parallel): Likewise.
2827         (rs6000_darwin64_record_arg_recurse): Likewise.
2828         (swap_selector_for_mode): Likewise.
2829         (spe_init_builtins): Likewise.
2830         (paired_init_builtins): Likewise.
2831         (altivec_init_builtins): Likewise.
2832         (do_load_for_compare): Likewise.
2833         (rs6000_generate_compare): Likewise.
2834         (rs6000_expand_float128_convert): Likewise.
2835         (emit_load_locked): Likewise.
2836         (emit_store_conditional): Likewise.
2837         (rs6000_output_function_epilogue): Likewise.
2838         (rs6000_handle_altivec_attribute): Likewise.
2839         (rs6000_function_value): Likewise.
2840         (emit_fusion_gpr_load): Likewise.
2841         (emit_fusion_p9_load): Likewise.
2842         (emit_fusion_p9_store): Likewise.
2843         * config/powerpcspe/predicates.md (easy_fp_constant): Likewise.
2844         (fusion_gpr_mem_load): Likewise.
2845         (fusion_addis_mem_combo_load): Likewise.
2846         (fusion_addis_mem_combo_store): Likewise.
2847         * config/rs6000/predicates.md (easy_fp_constant): Likewise.
2848         (fusion_gpr_mem_load): Likewise.
2849         (fusion_addis_mem_combo_load): Likewise.
2850         (fusion_addis_mem_combo_store): Likewise.
2851         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
2852         Likewise.
2853         * config/rs6000/rs6000-string.c (do_load_for_compare): Likewise.
2854         * config/rs6000/rs6000.c (rs6000_setup_reg_addr_masks): Likewise.
2855         (rs6000_preferred_simd_mode): Likewise.
2856         (output_vec_const_move): Likewise.
2857         (rs6000_expand_vector_extract): Likewise.
2858         (rs6000_split_vec_extract_var): Likewise.
2859         (reg_offset_addressing_ok_p): Likewise.
2860         (rs6000_legitimate_offset_address_p): Likewise.
2861         (rs6000_legitimize_address): Likewise.
2862         (rs6000_emit_set_const): Likewise.
2863         (rs6000_const_vec): Likewise.
2864         (rs6000_emit_move): Likewise.
2865         (rs6000_darwin64_record_arg_recurse): Likewise.
2866         (swap_selector_for_mode): Likewise.
2867         (paired_init_builtins): Likewise.
2868         (altivec_init_builtins): Likewise.
2869         (rs6000_expand_float128_convert): Likewise.
2870         (emit_load_locked): Likewise.
2871         (emit_store_conditional): Likewise.
2872         (rs6000_output_function_epilogue): Likewise.
2873         (rs6000_handle_altivec_attribute): Likewise.
2874         (rs6000_function_value): Likewise.
2875         (emit_fusion_gpr_load): Likewise.
2876         (emit_fusion_p9_load): Likewise.
2877         (emit_fusion_p9_store): Likewise.
2878         * config/rx/rx.c (rx_gen_move_template): Likewise.
2879         (flags_from_mode): Likewise.
2880         * config/s390/predicates.md (s390_alc_comparison): Likewise.
2881         (s390_slb_comparison): Likewise.
2882         * config/s390/s390.c (s390_handle_vectorbool_attribute): Likewise.
2883         (s390_vector_mode_supported_p): Likewise.
2884         (s390_cc_modes_compatible): Likewise.
2885         (s390_match_ccmode_set): Likewise.
2886         (s390_canonicalize_comparison): Likewise.
2887         (s390_emit_compare_and_swap): Likewise.
2888         (s390_branch_condition_mask): Likewise.
2889         (s390_rtx_costs): Likewise.
2890         (s390_secondary_reload): Likewise.
2891         (__SECONDARY_RELOAD_CASE): Likewise.
2892         (s390_expand_cs): Likewise.
2893         (s390_preferred_simd_mode): Likewise.
2894         * config/s390/vx-builtins.md (vec_packsu_u<mode>): Likewise.
2895         * config/sh/sh.c (sh_print_operand): Likewise.
2896         (dump_table): Likewise.
2897         (sh_secondary_reload): Likewise.
2898         * config/sh/sh.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
2899         * config/sh/sh.md (casesi_worker_1): Likewise.
2900         (casesi_worker_2): Likewise.
2901         * config/sparc/predicates.md (icc_comparison_operator): Likewise.
2902         (fcc_comparison_operator): Likewise.
2903         * config/sparc/sparc.c (sparc_expand_move): Likewise.
2904         (emit_soft_tfmode_cvt): Likewise.
2905         (sparc_preferred_simd_mode): Likewise.
2906         (output_cbranch): Likewise.
2907         (sparc_print_operand): Likewise.
2908         (sparc_expand_vec_perm_bmask): Likewise.
2909         (vector_init_bshuffle): Likewise.
2910         * config/spu/spu.c (spu_scalar_mode_supported_p): Likewise.
2911         (spu_vector_mode_supported_p): Likewise.
2912         (spu_expand_insv): Likewise.
2913         (spu_emit_branch_or_set): Likewise.
2914         (spu_handle_vector_attribute): Likewise.
2915         (spu_builtin_splats): Likewise.
2916         (spu_builtin_extract): Likewise.
2917         (spu_builtin_promote): Likewise.
2918         (spu_expand_sign_extend): Likewise.
2919         * config/tilegx/tilegx.c (tilegx_scalar_mode_supported_p): Likewise.
2920         (tilegx_simd_int): Likewise.
2921         * config/tilepro/tilepro.c (tilepro_scalar_mode_supported_p): Likewise.
2922         (tilepro_simd_int): Likewise.
2923         * config/v850/v850.c (const_double_split): Likewise.
2924         (v850_print_operand): Likewise.
2925         (ep_memory_offset): Likewise.
2926         * config/vax/vax.c (vax_rtx_costs): Likewise.
2927         (vax_output_int_move): Likewise.
2928         (vax_output_int_add): Likewise.
2929         (vax_output_int_subtract): Likewise.
2930         * config/visium/predicates.md (visium_branch_operator): Likewise.
2931         * config/visium/visium.c (rtx_ok_for_offset_p): Likewise.
2932         (visium_print_operand_address): Likewise.
2933         * config/visium/visium.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
2934         * config/xtensa/xtensa.c (xtensa_mem_offset): Likewise.
2935         (xtensa_expand_conditional_branch): Likewise.
2936         (xtensa_copy_incoming_a7): Likewise.
2937         (xtensa_output_literal): Likewise.
2938         * dfp.c (decimal_real_maxval): Likewise.
2939         * targhooks.c (default_libgcc_floating_mode_supported_p): Likewise.
2940
2941 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2942             Alan Hayward  <alan.hayward@arm.com>
2943             David Sherwood  <david.sherwood@arm.com>
2944
2945         * genmodes.c (mode_size_inline): Add an E_ prefix to mode names.
2946         (mode_nunits_inline): Likewise.
2947         (mode_inner_inline): Likewise.
2948         (mode_unit_size_inline): Likewise.
2949         (mode_unit_precision_inline): Likewise.
2950         (emit_insn_modes_h): Likewise.  Also emit a #define of the
2951         unprefixed name.
2952         (emit_mode_wider): Add an E_ prefix to mode names.
2953         (emit_mode_complex): Likewise.
2954         (emit_mode_inner): Likewise.
2955         (emit_mode_adjustments): Likewise.
2956         (emit_mode_int_n): Likewise.
2957         * config/aarch64/aarch64-builtins.c (v8qi_UP, v4hi_UP, v4hf_UP)
2958         (v2si_UP, v2sf_UP, v1df_UP, di_UP, df_UP, v16qi_UP, v8hi_UP, v8hf_UP)
2959         (v4si_UP, v4sf_UP, v2di_UP, v2df_UP, ti_UP, oi_UP, ci_UP, xi_UP)
2960         (si_UP, sf_UP, hi_UP, hf_UP, qi_UP): Likewise.
2961         (CRC32_BUILTIN, ENTRY): Likewise.
2962         * config/aarch64/aarch64.c (aarch64_push_regs): Likewise.
2963         (aarch64_pop_regs): Likewise.
2964         (aarch64_process_components): Likewise.
2965         * config/alpha/alpha.c (alpha_emit_conditional_move): Likewise.
2966         * config/arm/arm-builtins.c (v8qi_UP, v4hi_UP, v4hf_UP, v2si_UP)
2967         (v2sf_UP, di_UP, v16qi_UP, v8hi_UP, v8hf_UP, v4si_UP, v4sf_UP)
2968         (v2di_UP, ti_UP, ei_UP, oi_UP, hf_UP, si_UP, void_UP): Likewise.
2969         * config/arm/arm.c (arm_init_libfuncs): Likewise.
2970         * config/i386/i386-builtin-types.awk (ix86_builtin_type_vect_mode):
2971         Likewise.
2972         * config/i386/i386-builtin.def (pcmpestr): Likewise.
2973         (pcmpistr): Likewise.
2974         * config/microblaze/microblaze.c (double_memory_operand): Likewise.
2975         * config/mmix/mmix.c (mmix_output_condition): Likewise.
2976         * config/powerpcspe/powerpcspe.c (rs6000_init_hard_regno_mode_ok):
2977         Likewise.
2978         * config/rl78/rl78.c (mduc_regs): Likewise.
2979         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Likewise.
2980         (htm_expand_builtin): Likewise.
2981         * config/sh/sh.h (REGISTER_NATURAL_MODE): Likewise.
2982         * config/sparc/sparc.c (emit_save_or_restore_regs): Likewise.
2983         * config/xtensa/xtensa.c (print_operand): Likewise.
2984         * expmed.h (NUM_MODE_PARTIAL_INT): Likewise.
2985         (NUM_MODE_VECTOR_INT): Likewise.
2986         * genoutput.c (null_operand): Likewise.
2987         (output_operand_data): Likewise.
2988         * genrecog.c (print_parameter_value): Likewise.
2989         * lra.c (debug_operand_data): Likewise.
2990
2991 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2992
2993         * dwarf2out.c (scompare_loc_descriptor_wide)
2994         (scompare_loc_descriptor_narrow): New functions, split out from...
2995         (scompare_loc_descriptor): ...here.
2996         * expmed.c (emit_store_flag_int): New function, split out from...
2997         (emit_store_flag): ...here.
2998
2999 2017-08-30  Richard Biener  <rguenther@suse.de>
3000
3001         * dwarf2out.c (dwarf2out_finish): Remove setting AT_pubnames.
3002         (dwarf2out_early_finish): Move setting of AT_pubnames from
3003         early debug output to early finish.
3004
3005 2017-08-30  Jozef Lawrynowicz  <jozef.l@somniumtech.com>
3006
3007         * gcc/config/msp430/msp430.h: Pass -mcode/data-region to the linker
3008         and -mdata-region to the assembler.
3009
3010 2017-08-30  Richard Biener  <rguenther@suse.de>
3011
3012         * dwarf2out.c (add_dwarf_attr): Check we don't add duplicate
3013         attributes.
3014         (gen_subprogram_die): Add DW_AT_object_pointer only early.
3015         (dwarf2out_early_global_decl): Only generate a DIE for the
3016         abstract origin if it doesn't already exist or is a declaration DIE.
3017         (resolve_addr): Do not add the linkage name twice when
3018         generating a stub DIE for the DW_TAG_GNU_call_site target.
3019
3020 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3021
3022         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
3023         Use machine_mode rather than int for arg1_mode.
3024
3025 2017-08-29  Michael Meissner  <meissner@linux.vnet.ibm.com>
3026
3027         PR target/82015
3028         * config/rs6000/rs6000.c (rs6000_expand_binop_builtin): Insure
3029         that the second argument of the built-in functions to unpack
3030         128-bit scalar types to 64-bit values is 0 or 1.  Change to use a
3031         switch statement instead a lot of if statements.
3032         * config/rs6000/rs6000.md (unpack<mode>, FMOVE128_VSX iterator):
3033         Allow 64-bit values to be in Altivec registers as well as
3034         traditional floating point registers.
3035         (pack<mode>, FMOVE128_VSX iterator): Likewise.
3036
3037 2017-08-29  Alexander Monakov  <amonakov@ispras.ru>
3038
3039         * ira-costs.c (record_address_regs): Handle both operands of PLUS for
3040         MAX_REGS_PER_ADDRESS == 1.
3041
3042 2017-08-29  Uros Bizjak  <ubizjak@gmail.com>
3043
3044         * config/i386/i386.opt (flag_fentry): Do not init to -1.
3045         * config/i386/i386.c (ix86_option_override_internal): Simplify
3046         setting of opts->x_flag_entry.
3047
3048 2017-08-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3049             Jakub Jelinek  <jakub@redhat.com>
3050             Richard Biener  <rguenther@suse.de>
3051
3052         PR tree-optimization/81503
3053         * gimple-ssa-strength-reduction.c (replace_mult_candidate): Ensure
3054         folded constant fits in the target type; reorder tests for clarity.
3055
3056 2017-08-29  Martin Liska  <mliska@suse.cz>
3057
3058         * passes.def: Include pass_lower_switch.
3059         * stmt.c (dump_case_nodes): Remove and move to
3060         tree-switch-conversion.
3061         (case_values_threshold): Likewise.
3062         (expand_switch_as_decision_tree_p): Likewise.
3063         (emit_case_decision_tree): Likewise.
3064         (expand_case): Likewise.
3065         (balance_case_nodes): Likewise.
3066         (node_has_low_bound): Likewise.
3067         (node_has_high_bound): Likewise.
3068         (node_is_bounded): Likewise.
3069         (emit_case_nodes): Likewise.
3070         (struct simple_case_node): New struct.
3071         (add_case_node): Remove.
3072         (emit_case_dispatch_table): Use vector instead of case_list.
3073         (reset_out_edges_aux): Remove.
3074         (compute_cases_per_edge): Likewise.
3075         (expand_case): Build list of simple_case_node.
3076         (expand_sjlj_dispatch_table): Use it.
3077         * tree-switch-conversion.c (struct case_node): Moved from
3078         stmt.c and adjusted.
3079         (emit_case_nodes): Likewise.
3080         (node_has_low_bound): Likewise.
3081         (node_has_high_bound): Likewise.
3082         (node_is_bounded): Likewise.
3083         (case_values_threshold): Likewise.
3084         (reset_out_edges_aux): Likewise.
3085         (compute_cases_per_edge): Likewise.
3086         (add_case_node): Likewise.
3087         (dump_case_nodes): Likewise.
3088         (balance_case_nodes): Likewise.
3089         (expand_switch_as_decision_tree_p): Likewise.
3090         (emit_jump): Likewise.
3091         (emit_case_decision_tree): Likewise.
3092         (try_switch_expansion): Likewise.
3093         (do_jump_if_equal): Likewise.
3094         (emit_cmp_and_jump_insns): Likewise.
3095         (fix_phi_operands_for_edge): New function.
3096         (record_phi_operand_mapping): Likewise.
3097         (class pass_lower_switch): New pass.
3098         (pass_lower_switch::execute): New function.
3099         (make_pass_lower_switch): Likewise.
3100         (conditional_probability):
3101         * timevar.def: Add TV_TREE_SWITCH_LOWERING.
3102         * tree-pass.h: Add make_pass_lower_switch.
3103
3104 2017-08-29  Jozef Lawrynowicz  <jozef.l@somniumtech.com>
3105
3106         PR target/80993
3107         * gcc/config/msp430/msp430.c (msp430_attr): Mark interrupt
3108         handlers as used.
3109
3110 2017-08-29  Richard Biener  <rguenther@suse.de>
3111
3112         * dwarf2out.c (add_dwarf_attr): When checking is enabled verify
3113         we do not add a DW_AT_inline attribute twice.
3114         (gen_subprogram_die): Remove code setting DW_AT_inline on
3115         DECL_ABSTRACT_P nodes.
3116
3117 2017-08-29  Richard Sandiford  <richard.sandiford@linaro.org>
3118
3119         * gimplify.c (gimplify_call_expr): Copy the nothrow flag to
3120         calls to internal functions.
3121         (gimplify_modify_expr): Likewise.
3122         * tree-call-cdce.c (use_internal_fn): Likewise.
3123         * tree-ssa-math-opts.c (pass_cse_reciprocals::execute): Likewise.
3124         (convert_to_divmod): Set the nothrow flag.
3125         * tree-if-conv.c (predicate_mem_writes):  Likewise.
3126         * tree-vect-stmts.c (vectorizable_mask_load_store): Likewise.
3127         (vectorizable_call): Likewise.
3128         (vectorizable_store): Likewise.
3129         (vectorizable_load): Likewise.
3130         * tree-vect-patterns.c (vect_recog_pow_pattern): Likewise.
3131         (vect_recog_mask_conversion_pattern): Likewise.
3132
3133 2017-08-29  Martin Liska  <mliska@suse.cz>
3134
3135         PR other/39851
3136         * gcc.c (driver_handle_option): Add new argument.
3137         * opts-common.c (handle_option): Pass
3138         target_option_override_hook.
3139         * opts-global.c (lang_handle_option): Add new option.
3140         (set_default_handlers):  Add new argument.
3141         (decode_options): Likewise.
3142         * opts.c (target_handle_option): Likewise.
3143         (common_handle_option): Call target_option_override_hook.
3144         * opts.h (struct cl_option_handler_func): Add hook for
3145         target option override.
3146         (struct cl_option_handlers): Likewise.
3147         (set_default_handlers): Add new argument.
3148         (decode_options): Likewise.
3149         (common_handle_option): Likewise.
3150         (target_handle_option): Likewise.
3151         * toplev.c (toplev::main): Pass targetm.target_option.override
3152         hook.
3153
3154 2017-08-29  Richard Biener  <rguenther@suse.de>
3155         Dominik Infuehr <dominik.infuehr@theobroma-systems.com>
3156
3157         * tree-vect-slp.c (vect_bb_slp_scalar_cost): Properly confine
3158         life to the active subtree.
3159
3160 2017-08-28  Jeff Law  <law@redhat.com>
3161
3162         * tree-ssa-dom.c (edge_info::record_simple_equiv): Call
3163         derive_equivalences.
3164         (derive_equivalences_from_bit_ior, record_temporary_equivalences):
3165         Code moved into....
3166         (edge_info::derive_equivalences): New private member function
3167
3168         * tree-ssa-dom.c (class edge_info): Changed from a struct
3169         to a class.  Add ctor/dtor, methods and data members.
3170         (edge_info::edge_info): Renamed from allocate_edge_info.
3171         Initialize additional members.
3172         (edge_info::~edge_info): New.
3173         (free_dom_edge_info): Delete the edge info.
3174         (record_edge_info): Use new class & associated member functions.
3175         Tighten forms for testing for edge equivalences.
3176         (record_temporary_equivalences): Iterate over the simple
3177         equivalences rather than assuming there's only one per edge.
3178         (cprop_into_successor_phis): Iterate over the simple
3179         equivalences rather than assuming there's only one per edge.
3180         (optimize_stmt): Use operand_equal_p rather than pointer
3181         equality for mini-DSE code.
3182
3183 2017-08-28  Nathan Sidwell  <nathan@acm.org>
3184
3185         * gcc.c (execute): Fold SIGPIPE handling into switch
3186         statement.  Adjust internal error message.
3187
3188 2017-08-28  Richard Biener  <rguenther@suse.de>
3189
3190         PR debug/81993
3191         * dwarf2out.c (gen_remaining_tmpl_value_param_die_attributes):
3192         Do nothing for removed DIEs.
3193
3194 2017-08-28  Richard Biener  <rguenther@suse.de>
3195
3196         PR tree-optimization/81977
3197         * tree-ssa-sccvn.c (vn_reference_lookup_3): Fix look through
3198         memcpy.
3199
3200 2017-08-28  Alexander Monakov  <amonakov@ispras.ru>
3201
3202         PR target/80640
3203         * doc/md.texi (mem_thread_fence): Remove mention of mode.  Rewrite.
3204         * optabs.c (expand_mem_thread_fence): Emit a compiler barrier when
3205         using targetm.gen_mem_thread_fence.
3206
3207 2017-08-27  Uros Bizjak  <ubizjak@gmail.com>
3208
3209         PR target/81995
3210         * config/i386/i386.md (*<btsc><mode>): Change operand 2
3211         predicate to register_operand.  Reorder operands.
3212         (*btr<mode>): Ditto.
3213         (*<btsc><mode>_mask): Change operand 3 predicate to register_operand.
3214         (*btr<mode>_mask): Ditto.
3215
3216 2017-08-25  Steven Munroe  <munroesj@gcc.gnu.org>
3217
3218         * config.gcc (powerpc*-*-*): Add xmmintrin.h and mm_malloc.h.
3219         * config/rs6000/xmmintrin.h: New file.
3220         * config/rs6000/x86intrin.h [__ALTIVEC__]: Include xmmintrin.h.
3221
3222 2017-08-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3223
3224         PR target/81504
3225         * config/rs6000/rs6000-p8swap.c (find_alignment_op): Add reference
3226         parameter and_insn and return it.
3227         (recombine_lvx_pattern): Insert a copy to ensure availability of
3228         the base register of the copied masking operation at the point of
3229         the instruction replacement.
3230         (recombine_stvx_pattern): Likewise.
3231
3232 2017-08-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
3233
3234         * config/rs6000/rs6000.opt (-mpower9-dform-scalar): Delete
3235         undocumented switches.
3236         (-mpower9-dform-vector): Likewise.
3237         (-mpower9-dform): Likewise.
3238         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Update
3239         comments to delete references to -mpower9-dform* switches.
3240         * config/rs6000/predicates.md (vsx_quad_dform_memory_operand):
3241         Delete reference to -mpower9-dform* switches, test for
3242         -mpower9-vector instead.
3243         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Likewise.
3244         (OTHER_P9_VECTOR_MASKS): Likewise.
3245         (POWERPC_MASKS): Likewise.
3246         * config/rs6000/rs6000.c (rs6000_setup_reg_addr_masks): Change
3247         tests against -mpower9-dform* to -mpower9-vector.  Delete code
3248         that checked for -mpower9-dform* consistancy with other options.
3249         Add test for -mpower9-misc to enable other power9 switches.
3250         (rs6000_init_hard_regno_mode_ok): Likewise.
3251         (rs6000_option_override_internal): Likewise.
3252         (rs6000_emit_prologue): Likewise.
3253         (rs6000_emit_epilogue): Likewise.
3254         (rs6000_opt_masks): Delete -mpower9-dform-{scalar,vector}.
3255         (rs6000_disable_incompatiable_switches): Delete -mpower9-dform.
3256         (emit_fusion_p9_load): Change tests for -mpower9-dform-scalar
3257         -mpower9-vector.
3258         (emit_fusion_p9_store): Likewise.
3259         * config/rs6000/rs6000.h (TARGET_P9_DFORM_SCALAR): Delete
3260         resetting these macros if the assembler does not support ISA 3.0
3261         instructions.
3262         (TARGET_P9_DFORM_VECTOR): Likewise.
3263         * config/rs6000/rs6000.md (peepholes to optimize altivec memory):
3264         Change to use -mpower9-vector instead of -mpower9-dform-scalar.
3265
3266 2017-08-25  Alan Modra  <amodra@gmail.com>
3267
3268         PR rtl-optimization/81747
3269         * cse.c (cse_extended_basic_block): Don't attempt to record
3270         equivalences for degenerate conditional branches that branch
3271         to their fall-through.
3272
3273 2017-08-24  Martin Sebor  <msebor@redhat.com>
3274
3275         PR middle-end/81908
3276         * gimple-fold.c (size_must_be_zero_p): New function.
3277         (gimple_fold_builtin_memory_op): Call it.
3278
3279 2017-08-24  Steven Munroe  <munroesj@gcc.gnu.org>
3280
3281         * config/rs6000/mm_malloc.h: New file.
3282
3283 2017-08-24  Bin Cheng  <bin.cheng@arm.com>
3284
3285         PR tree-optimization/81913
3286         * tree-ssa-loop-niter.c (number_of_iterations_cond): Skip niter
3287         analysis when either IVs in condition can wrap.
3288
3289 2017-08-24  Uros Bizjak  <ubizjak@gmail.com>
3290
3291         * dwarf2out.c (MAX_ARTIFICIAL_LABEL_BYTES): Increase to 40.
3292         * dwarf2cfi.c (MAX_ARTIFICIAL_LABEL_BYTES): Remove.
3293
3294 2017-08-24  Richard Biener  <rguenther@suse.de>
3295
3296         PR target/81921
3297         * targhooks.c (default_target_can_inline_p): Properly
3298         use target_option_default_node when no DECL_FUNCTION_SPECIFIC_TARGET
3299         is present and always compare.
3300         * config/i386/i386.c (ix86_valid_target_attribute_tree): Do not
3301         infer -mfpmath=sse from TARGET_SSE_P.
3302         (ix86_can_inline_p): Properly use target_option_default_node when
3303         no DECL_FUNCTION_SPECIFIC_TARGET is present and always compare.
3304
3305 2017-08-24  Richard Biener  <rguenther@suse.de>
3306
3307         PR debug/81936
3308         * dwarf2out.c (output_die): Handle flag_generate_offload like
3309         flag_generate_lto.
3310         (output_comp_unit): Likewise.
3311         (gen_array_type_die): Likewise.
3312         (dwarf2out_early_finish): Likewise.
3313         (note_variable_value_in_expr): Likewise.
3314         (dwarf2out_finish): Likewise.  Adjust assert.
3315         * cgraphunit.c (symbol_table::compile): Move setting of
3316         flag_generate_offload earlier ...
3317         (symbol_table::finalize_compilation_unit): ... here, before
3318         early debug finalization.
3319
3320 2017-08-24  Richard Biener  <rguenther@suse.de>
3321
3322         * config/i386/i386.c: Include symbol-summary.h, ipa-prop.h
3323         and ipa-fnsummary.h.
3324         (ix86_can_inline_p): When ix86_fpmath flags do not match
3325         check whether the callee uses FP math at all.
3326
3327 2017-08-24  Aldy Hernandez  <aldyh@redhat.com>
3328
3329         PR middle-end/81931
3330         * tree-ssanames.c (get_nonzero_bits): Use element_precision
3331         instead of TYPE_PRECISION.
3332
3333 2017-08-24  Richard Sandiford  <richard.sandiford@linaro.org>
3334             Alan Hayward  <alan.hayward@arm.com>
3335             David Sherwood  <david.sherwood@arm.com>
3336
3337         * combine.c (make_extraction): Use subreg_offset_from_lsb.
3338
3339 2017-08-23  Daniel Santos  <daniel.santos@pobox.com>
3340
3341         * config/i386/i386.h (ix86_frame::stack_realign_allocate_offset):
3342         Remove field.
3343         (ix86_frame::stack_realign_allocate): New field.
3344         (struct machine_frame_state): Modify comments.
3345         (machine_frame_state::sp_realigned_fp_end): New field.
3346         * config/i386/i386.c (ix86_compute_frame_layout): Rework stack frame
3347         layout calculation.
3348         (sp_valid_at): Add assertion to assure no attempt to access invalid
3349         offset of a realigned stack.
3350         (fp_valid_at): Likewise.
3351         (choose_baseaddr): Modify comments.
3352         (ix86_emit_outlined_ms2sysv_save): Adjust to changes in
3353         ix86_expand_prologue.
3354         (ix86_expand_prologue): Modify stack realignment and allocation.
3355         (ix86_expand_epilogue): Modify comments.
3356         * doc/sourcebuild.texi: Add documentation for target selectors avx2,
3357         avx2_runtime, avx512f, and avx512f_runtime.
3358
3359 2017-08-23  Uros Bizjak  <ubizjak@gmail.com>
3360
3361         * config/i386/i386.opt: Remove unneeded Init(0) initializations.
3362         (mstackrealign): Do not init to -1.
3363         * config/i386/i386.c (ix86_option_override_internal):
3364         Check opts_set, not opts when setting default value of
3365         opts->x_ix86_force_align_arg_pointer.
3366
3367 2017-08-23  Richard Biener  <rguenther@suse.de>
3368
3369         * function.c (fndecl_name): Use verbosity 1 (no arguments) for
3370         lang_hooks.decl_printable_name.
3371         * print-rtl-function.c (print_rtx_function): Likewise.
3372         * tree-pretty-print.c (dump_function_header): Likewise.
3373
3374 2017-08-23  Richard Biener  <rguenther@suse.de>
3375
3376         PR lto/81940
3377         * dwarf2out.c (dwarf2out_abstract_function): Handle LTO with
3378         -g0 at compile-time.
3379
3380 2017-08-23  Tamar Christina  <tamar.christina@arm.com>
3381
3382         PR middle-end/19706
3383         * doc/sourcebuild.texi (Other hardware attributes):
3384         Document xorsign.
3385
3386 2017-08-23  Tamar Christina  <tamar.christina@arm.com>
3387
3388         PR middle-end/19706
3389         * tree-ssa-math-opts.c (convert_expand_mult_copysign):
3390         Fix single-use check.
3391
3392 2017-08-23  Thomas Preud'homme  <thomas.preudhomme@arm.com>
3393
3394         * gcc.c (execute): Only test for SIGKILL and SIGQUIT if available.
3395
3396 2017-08-22  Daniel Santos  <daniel.santos@pobox.com>
3397
3398         * doc/install.texi: Modify to add more details on running selected
3399         tests.
3400
3401 2017-08-22  Daniel Santos  <daniel.santos@pobox.com>
3402
3403         * config/i386/i386.c (ix86_option_override_internal): Error when -mx32
3404         is combined with -mabi=ms.
3405         (ix86_function_type_abi): Limit errors for mixing -mx32 with attribute
3406         ms_abi.
3407
3408 2017-08-22  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3409
3410         PR tree-optimization/81488
3411         * gimple-ssa-strength-reduction (struct slsr_cand_d): Add visited
3412         and cached_basis fields.
3413         (MAX_SPREAD): New constant.
3414         (alloc_cand_and_find_basis): Initialize new fields.
3415         (clear_visited): New function.
3416         (create_phi_basis_1): Rename from create_phi_basis, set visited
3417         and cached_basis fields.
3418         (create_phi_basis): New wrapper function.
3419         (phi_add_costs_1): Rename from phi_add_costs, add spread
3420         parameter, set visited field, short-circuit when limits reached.
3421         (phi_add_costs): New wrapper function.
3422         (record_phi_increments_1): Rename from record_phi_increments, set
3423         visited field.
3424         (record_phi_increments): New wrapper function.
3425         (phi_incr_cost_1): Rename from phi_incr_cost, set visited field.
3426         (phi_incr_cost): New wrapper function.
3427         (all_phi_incrs_profitable_1): Rename from
3428         all_phi_incrs_profitable, set visited field.
3429         (all_phi_incrs_profitable): New wrapper function.
3430
3431 2017-08-22  Richard Sandiford  <richard.sandiford@linaro.org>
3432             Alan Hayward  <alan.hayward@arm.com>
3433             David Sherwood  <david.sherwood@arm.com>
3434
3435         * rtl.h (paradoxical_subreg_p): Define inline, and add a version
3436         that takes the outer and inner modes.
3437         * doc/rtl.texi: Use paradoxical_subreg_p instead of a GET_MODE_SIZE
3438         comparison as the canonical test for a paradoxical subreg.
3439         * combine.c (simplify_set): Use paradoxical_subreg_p.
3440         (make_extraction): Likewise.
3441         (force_to_mode): Likewise.
3442         (rtx_equal_for_field_assignment_p): Likewise.
3443         (gen_lowpart_for_combine): Likewise.
3444         (simplify_comparison): Likewise.
3445         * cse.c (equiv_constant): Likewise.
3446         * expmed.c (store_bit_field_1): Likewise.
3447         * final.c (alter_subreg): Likewise.
3448         * fwprop.c (propagate_rtx): Likewise.
3449         (forward_propagate_subreg): Likewise.
3450         * ira-conflicts.c (ira_build_conflicts): Likewise.
3451         * lower-subreg.c (simplify_gen_subreg_concatn): Likewise.
3452         * lra-constraints.c (curr_insn_transform): Likewise.
3453         (split_reg): Likewise.
3454         * lra-eliminations.c (move_plus_up): Likewise.
3455         (lra_eliminate_regs_1): Likewise.
3456         * recog.c (general_operand): Likewise.
3457         * ree.c (combine_reaching_defs): Likewise.
3458         * reload.c (push_reload): Likewise.
3459         (find_reloads): Likewise.
3460         * reload1.c (elimination_effects): Likewise.
3461         (compute_reload_subreg_offset): Likewise.
3462         (choose_reload_regs): Likewise.
3463         * rtlanal.c (subreg_lsb_1): Likewise.
3464         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
3465         (simplify_subreg): Likewise.
3466         * var-tracking.c (track_loc_p): Likewise.
3467         * emit-rtl.c (byte_lowpart_offset): Likewise.
3468         (paradoxical_subreg_p): Delete out-of-line definition.
3469
3470 2017-08-22  Jeff Law  <law@redhat.com>
3471
3472         PR tree-optimization/81741
3473         PR tree-optimization/71947
3474         * tree-ssa-dom.c: Include tree-inline.h.
3475         (record_temporary_equivalences): Only record SSA_NAME = SSA_NAME
3476         equivalences if one is more expensive to compute than the other.
3477         * tree-ssa-scopedtables.h (class const_or_copies): Make
3478         record_const_or_copy_raw method private.
3479         (class avail_exprs_stack): New method simplify_binary_operation.
3480         * tree-ssa-scopedtables.c (avail_exprs_stack::lookup_avail_expr): Call
3481         avail_exprs_stack::simplify_binary_operation as needed.
3482         (avail_exprs_stack::simplify_binary_operation): New function.
3483
3484 2017-08-22  Sebastian Huber  <sebastian.huber@embedded-brains.de>
3485
3486         * config.gcc (powerpc-*-rtems*): Add rs6000/linux64.opt.
3487         * config/rs6000/rtems.h (ASM_PREFERRED_EH_DATA_FORMAT): New define.
3488         (DOT_SYMBOLS): Likewise.
3489         (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
3490         (RELOCATABLE_NEEDS_FIXUP): Likewise.
3491         (RS6000_ABI_NAME): Likewise.
3492         (TARGET_CMODEL): Likewise.
3493         (TOC_SECTION_ASM_OP): Likewise.
3494         (SET_CMODEL): New macro.
3495         (SUBSUBTARGET_OVERRIDE_OPTIONS): Evaluate cmodel options.
3496
3497 2017-08-22  Richard Biener  <rguenther@suse.de>
3498
3499         * tree-inline.c (remap_type_1): Change asserts on TYPE_SIZE[_UNIT]
3500         to allow for free-lang-data replacements similar to verify_type_variant.
3501
3502 2017-08-22  Richard Sandiford  <richard.sandiford@linaro.org>
3503             Alan Hayward  <alan.hayward@arm.com>
3504             David Sherwood  <david.sherwood@arm.com>
3505
3506         * config/aarch64/aarch64.md (casesi): Use DImode rather than
3507         VOIDmode for the LABEL_REF.
3508
3509 2017-08-22  Richard Biener  <rguenther@suse.de>
3510
3511         * tree-cfg.c (gimple_split_edge): Avoid reallocating target PHI nodes.
3512
3513 2017-08-22  Richard Biener  <rguenther@suse.de>
3514
3515         * common.opt (feliminate-dwarf2-dups): Ignore.
3516         * doc/invoke.texi (feliminate-dwarf2-dups): Remove documentation.
3517         * dwarf2out.c (push_new_compile_unit, pop_compile_unit,
3518         same_die_p_wrap, compute_section_prefix,
3519         is_symbol_die, assign_symbol_names, break_out_includes): Remove.
3520         (comdat_symbol_id, comdat_symbol_number): Likewise.
3521         (cu_hash_table_entry, cu_hash_table_entry_hasher, cu_hash_type):
3522         Likewise.
3523         (check_duplicate_cu, record_comdat_symbol_number): Likewise.
3524         (output_die): Mark unreachable path unreachable.
3525         (dwarf2out_start_source_file): Do not create DW_TAG_GNU_BINCL.
3526         (dwarf2out_end_source_file): Do not create DW_TAG_GNU_EINCL.
3527         (dwarf2out_init): Remove code handling flag_eliminate_dwarf2_dups.
3528         (dwarf2out_early_finish): Likewise.
3529
3530 2017-08-22  Aldy Hernandez  <aldyh@redhat.com>
3531
3532         * wide-int.h (hwi_with_prec::hwi_with_prec): Sign extend.
3533
3534 2017-08-22  Georg-Johann Lay  <avr@gjlay.de>
3535
3536         PR target/81910
3537         * config/avr/avr.c (avr_handle_addr_attribute): Early return if
3538         not VAR_P. Filter attribute warnings with OPT_Wattributes.
3539         (avr_attribute_table) <io, io_low, address>: Initialize
3540         .decl_required with true.
3541
3542 2017-08-21  Michael Meissner  <meissner@linux.vnet.ibm.com>
3543
3544         * config/rs6000/rs6000-cpus.def (-mvsx-scalar-float): Delete
3545         undocumented debugging options.
3546         (-mvsx-scalar-double): Likewise.
3547         (-mallow-df-permute): Likewise.
3548         (-mvectorize-builtins): Likewise.
3549         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Likewise.
3550         (rs6000_builtin_vectorized_function): Likewise.
3551         (rs6000_builtin_md_vectorized_function): Likewise.
3552         (rs6000_opt_vars): Likewise.
3553
3554 2017-08-21  Uros Bizjak  <ubizjak@gmail.com>
3555
3556         PR target/46091
3557         * config/i386/i386.md (*btsq_imm): Rename from *btsq.
3558         (*btrq_imm): Rename from *btrq.
3559         (*btcq_imm): Rename from *btcq.
3560         (btsc): New code attribute.
3561         (*<btsc><mode>): New insn pattern.
3562         (*btr<mode>): Ditto.
3563         (*<btsc><mode>_mask): New insn_and_split pattern.
3564         (*btr<mode>_mask): Ditto.
3565
3566 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
3567             Alan Hayward  <alan.hayward@arm.com>
3568             David Sherwood  <david.sherwood@arm.com>
3569
3570         * function.c (pad_below): Simplify padding calculation.
3571
3572 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
3573             Alan Hayward  <alan.hayward@arm.com>
3574             David Sherwood  <david.sherwood@arm.com>
3575
3576         * target.def (function_prologue): Remove frame size argument.
3577         (function_epilogue): Likewise.
3578         * doc/tm.texi: Regenerate.
3579         * final.c (final_start_function): Update call to function_prologue.
3580         (final_end_function): Update call to function_epilogue.
3581         (default_function_pro_epilogue): Remove frame size argument.
3582         * output.h (default_function_pro_epilogue): Likewise.
3583         * config/arm/arm.c (arm_output_function_epilogue): Likewise.
3584         (arm_output_function_prologue): Likewise.
3585         * config/frv/frv.c (frv_function_prologue): Likewise.
3586         (frv_function_epilogue): Likewise.
3587         * config/i386/i386.c (ix86_output_function_epilogue): Likewise.
3588         * config/ia64/ia64.c (ia64_output_function_prologue): Likewise.
3589         (ia64_output_function_epilogue): Likewise.
3590         * config/m32r/m32r.c (m32r_output_function_prologue): Likewise.
3591         (m32r_output_function_epilogue): Likewise.
3592         * config/microblaze/microblaze.c (microblaze_function_prologue)
3593         (microblaze_function_epilogue): Likewise.
3594         * config/mips/mips.c (mips_output_function_prologue): Likewise.
3595         (mips_output_function_epilogue): Likewise.
3596         * config/mmix/mmix.c (mmix_target_asm_function_prologue): Likewise.
3597         (mmix_target_asm_function_epilogue): Likewise.
3598         * config/msp430/msp430.c (msp430_start_function): Likewise.
3599         * config/nds32/nds32.c (nds32_asm_function_prologue): Likewise.
3600         (nds32_asm_function_epilogue): Likewise.
3601         * config/nios2/nios2.c (nios2_asm_function_prologue): Likewise.
3602         * config/pa/pa.c (pa_output_function_prologue): Likewise.
3603         (pa_output_function_epilogue): Likewise.
3604         * config/powerpcspe/powerpcspe.c (rs6000_output_function_prologue)
3605         (rs6000_output_function_epilogue): Likewise.
3606         * config/rl78/rl78.c (rl78_start_function): Likewise.
3607         * config/rs6000/rs6000.c (rs6000_output_function_prologue): Likewise.
3608         (rs6000_output_function_epilogue): Likewise.
3609         * config/rx/rx.c (rx_output_function_prologue): Likewise.
3610         * config/sh/sh.c (sh_output_function_epilogue): Likewise.
3611         * config/sparc/sparc.c (sparc_asm_function_prologue): Likewise.
3612         (sparc_asm_function_epilogue): Likewise.
3613
3614 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
3615
3616         * tree.h (type_has_mode_precision_p): New function.
3617         * convert.c (convert_to_integer_1): Use it.
3618         * expr.c (expand_expr_real_2): Likewise.
3619         (expand_expr_real_1): Likewise.
3620         * fold-const.c (fold_single_bit_test_into_sign_test): Likewise.
3621         * match.pd: Likewise.
3622         * tree-ssa-forwprop.c (simplify_rotate): Likewise.
3623         * tree-ssa-math-opts.c (convert_mult_to_fma): Likewise.
3624         * tree-tailcall.c (process_assignment): Likewise.
3625         * tree-vect-loop.c (vectorizable_reduction): Likewise.
3626         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern)
3627         (vect_recog_mult_pattern, vect_recog_divmod_pattern): Likewise.
3628         * tree-vect-stmts.c (vectorizable_conversion): Likewise.
3629         (vectorizable_assignment): Likewise.
3630         (vectorizable_shift): Likewise.
3631         (vectorizable_operation): Likewise.
3632         * tree-vrp.c (register_edge_assert_for_2): Likewise.
3633
3634 2017-08-21  Wilco Dijkstra  <wdijkstr@arm.com>
3635
3636         * match.pd: Add pow (C, x) simplification.
3637
3638 2017-08-21  Richard Biener  <rguenther@suse.de>
3639
3640         PR tree-optimization/81900
3641         * tree-ssa-pre.c (compute_antic_aux): Properly compute changed
3642         for blocks with abnormal predecessors.
3643         (compute_antic): Do not set visited flag prematurely.
3644
3645 2017-08-21  Georg-Johann Lay  <avr@gjlay.de>
3646
3647         PR target/79883
3648         * config/avr/avr.c (avr_set_current_function): Typo in diagnostic.
3649
3650 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
3651
3652         * stor-layout.h (vector_type_mode): Move to...
3653         * tree.h (vector_type_mode): ...here.
3654         * stor-layout.c (vector_type_mode): Move to...
3655         * tree.c (vector_type_mode): ...here.  Include rtl.h and regs.h.
3656
3657 2017-08-21  Richard Biener  <rguenther@suse.de>
3658
3659         * debug.h (struct gcc_debug_hooks): Add die_ref_for_decl and
3660         register_external_die hooks.
3661         (debug_false_tree_charstarstar_uhwistar): Declare.
3662         (debug_nothing_tree_charstar_uhwi): Likewise.
3663         * debug.c (do_nothing_debug_hooks): Adjust.
3664         (debug_false_tree_charstarstar_uhwistar): New do nothing.
3665         (debug_nothing_tree_charstar_uhwi): Likewise.
3666         * dbxout.c (dbx_debug_hooks): Adjust.
3667         (xcoff_debug_hooks): Likewise.
3668         * sdbout.c (sdb_debug_hooks): Likewise.
3669         * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
3670         * dwarf2out.c (macinfo_label_base): New global.
3671         (dwarf2out_register_external_die): New function for the
3672         register_external_die hook.
3673         (dwarf2out_die_ref_for_decl): Likewise for die_ref_for_decl.
3674         (dwarf2_debug_hooks): Use them.
3675         (dwarf2_lineno_debug_hooks): Adjust.
3676         (struct die_struct): Add with_offset flag.
3677         (DEBUG_LTO_DWO_INFO_SECTION, DEBUG_LTO_INFO_SECTION,
3678         DEBUG_LTO_DWO_ABBREV_SECTION, DEBUG_LTO_ABBREV_SECTION,
3679         DEBUG_LTO_DWO_MACINFO_SECTION, DEBUG_LTO_MACINFO_SECTION,
3680         DEBUG_LTO_DWO_MACRO_SECTION, DEBUG_LTO_MACRO_SECTION,
3681         DEBUG_LTO_LINE_SECTION, DEBUG_LTO_DWO_STR_OFFSETS_SECTION,
3682         DEBUG_LTO_STR_DWO_SECTION, DEBUG_STR_LTO_SECTION): New macros
3683         defining section names for the early LTO debug variants.
3684         (reset_indirect_string): New helper.
3685         (add_AT_external_die_ref): Helper for dwarf2out_register_external_die.
3686         (print_dw_val): Add support for offsetted symbol references.
3687         (get_ultimate_context): Split out from is_cxx.
3688         (is_cxx): Use get_ultimate_context.
3689         (is_fortran): Add decl overload.
3690         (compute_comp_unit_symbol): Split out worker from
3691         compute_section_prefix.
3692         (compute_section_prefix): Call compute_comp_unit_symbol and
3693         set comdat_type_p here.
3694         (output_die): Skip DIE symbol output for the LTO added one.
3695         Handle DIE symbol references with offset.
3696         (output_comp_unit): Guard section name mangling properly.
3697         For LTO debug sections emit a symbol at the section beginning
3698         which we use to refer to its DIEs.
3699         (add_abstract_origin_attribute): For DIEs registered via
3700         dwarf2out_register_external_die directly refer to the early
3701         DIE rather than indirectly through the shadow one we created.
3702         Remove obsolete call to dwarf2out_abstract_function for
3703         non-function/block origins.
3704         (gen_array_type_die): When generating early LTO debug do
3705         not emit DW_AT_string_length.
3706         (gen_formal_parameter_die): Do not re-create DIEs for PARM_DECLs
3707         late when in LTO.  As suggested place a gcc_unreachable for
3708         the DECL_ABSTRACT_P case.
3709         (gen_subprogram_die): Avoid another specification DIE
3710         for early built declarations/definitions for the late LTO case.
3711         (gen_variable_die): Add type references for late duplicated VLA dies
3712         when in late LTO.
3713         (gen_inlined_subroutine_die): Do not call dwarf2out_abstract_function,
3714         we have the abstract instance already.
3715         (process_scope_var): Adjust decl DIE contexts in LTO which
3716         first puts them in limbo.
3717         (gen_decl_die): Do not generate type DIEs late apart from
3718         types for VLAs or for decls we do not yet have a DIE.  Do not
3719         call dwarf2out_abstract_function late.
3720         (dwarf2out_early_global_decl): Make sure to create DIEs
3721         for abstract instances of a decl first.
3722         (dwarf2out_late_global_decl): Adjust comment.
3723         (output_macinfo_op): With multiple macro sections use
3724         macinfo_label_base to distinguish labels.
3725         (output_macinfo): Likewise.  Update macinfo_label_base.
3726         Pass in the line info label.
3727         (note_variable_value_in_expr): When generating LTO resolve
3728         all variable values here by generating DIEs as needed.
3729         (init_sections_and_labels): Add early LTO debug flag parameter
3730         and generate different sections and names if set.  Add generation
3731         counter for the labels so we can have multiple of them.
3732         (reset_dies): Helper to allow DIEs to be output multiple times.
3733         (dwarf2out_finish): When outputting DIEs to the fat part of an
3734         LTO object first reset DIEs.
3735         (dwarf2out_early_finish): Output early DIEs when generating LTO.
3736         (modified_type_die): Check for decl_ultimate_origin being self
3737         before recursing.
3738         (gen_type_die_with_usage): Likewise.
3739         (gen_typedef_die): Allow decl_ultimate_origin being self.
3740         (set_decl_abstract_flags): Remove.
3741         (set_block_abstract_flags): Likewise.
3742         (dwarf2out_abstract_function): Treat the early generated DIEs
3743         as the abstract copy and only add DW_AT_inline and
3744         DW_AT_artificial here and call set_decl_origin_self.
3745         If the DIE has an abstract origin don't do anything.
3746         * tree.c (free_lang_data): Build a dummy TRANSLATION_UNIT_DECL
3747         if we have none yet (Go fails to build one, PR78628).
3748         (variably_modified_type_p): Prevent endless recursion for Ada
3749         cyclic pointer types.
3750         * lto-streamer-in.c: Include debug.h.
3751         (dref_queue): New global.
3752         (lto_read_tree_1): Stream in DIE references.
3753         (lto_input_tree): Register DIE references.
3754         (input_function): Stream DECL_DEBUG_ARGS.
3755         * lto-streamer-out.c: Include debug.h.
3756         (lto_write_tree_1): Output DIE references.
3757         (DFS::DFS_write_tree_body): Follow DECL_ABSTRACT_ORIGIN.
3758         Force a TRANSLATION_UNIT_DECL DECL_CONTEXT for file-scope decls.
3759         (output_function): Stream DECL_DEBUG_ARGS.
3760         * tree-streamer-in.c (lto_input_ts_decl_common_tree_pointers):
3761         Stream DECL_ABSTRACT_ORIGIN.
3762         * tree-streamer-out.c (write_ts_decl_common_tree_pointers): Likewise.
3763         (write_ts_decl_minimal_tree_pointers): Force a TRANSLATION_UNIT_DECL
3764         DECL_CONTEXT for file-scope decls.
3765         * lto-streamer.h (struct dref_entry): Declare.
3766         (dref_queue): Likewise.
3767         * cfgexpand.c (pass_expand::execute): Do not call the
3768         outlining_inline_function hook here.
3769         * lto-wrapper.c (debug_obj): New global.
3770         (tool_cleanup): Unlink it if required.
3771         (debug_objcopy): New function.
3772         (run_gcc): Handle early debug sections in the IL files by
3773         extracting them to separate files, partially linkin them and
3774         feeding the result back as result to the linker.
3775         * config/darwin.h (DEBUG_LTO_INFO_SECTION, DEBUG_LTO_ABBREV_SECTION,
3776         DEBUG_LTO_MACINFO_SECTION, DEBUG_LTO_LINE_SECTION,
3777         DEBUG_STR_LTO_SECTION, DEBUG_LTO_MACRO_SECTION): Put early debug
3778         sections into a separate segment.
3779         * config/darwin.c (darwin_asm_named_section): Handle __GNU_DWARF_LTO
3780         segments.
3781         (darwin_asm_dwarf_section): Likewise.
3782         (darwin_asm_output_dwarf_offset): Likewise.
3783         * config/i386/i386.c (make_resolver_func): Set DECL_IGNORED_P.
3784
3785 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
3786             Alan Hayward  <alan.hayward@arm.com>
3787             David Sherwood  <david.sherwood@arm.com>
3788
3789         * read-md.h (md_reader::record_potential_iterator_use): Replace
3790         pointer argument with an rtx and an index.
3791         * read-rtl.c (iterator_group::apply_iterator): Likewise.
3792         (apply_mode_iterator): Likewise.
3793         (apply_code_iterator): Likewise.
3794         (apply_int_iterator): Likewise.
3795         (apply_subst_iterator): Likewise.
3796         (record_iterator_use): Likewise.
3797         (record_attribute_use): Likewise.
3798         (md_reader::record_potential_iterator_use): Likewise.  Update calls
3799         to record_iterator_use and apply_iterator.
3800         (iterator_use): Replace ptr with x and index.
3801         (attribute_use): Likewise.
3802         (apply_attribute_uses): Update calls to apply_iterator.
3803         (apply_iterators): Likewise.  Update initialization of iterator_use.
3804         (rtx_reader::read_rtx_code): Update calls to record_iterator_use
3805         and record_potential_iterator_use.
3806         (rtx_reader::read_rtx_operand): Likewise.
3807
3808 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
3809             Alan Hayward  <alan.hayward@arm.com>
3810             David Sherwood  <david.sherwood@arm.com>
3811
3812         * varasm.c (const_rtx_hash_1): Don't hash in the mode of a
3813         CONST_WIDE_INT.
3814
3815 2017-08-21  Richard Biener  <rguenther@suse.de>
3816
3817         PR middle-end/81884
3818         * tree-ssa-alias.c (stmt_kills_ref_p): Handle array accesses
3819         at struct end conservatively when comparing common bases.
3820
3821 2017-08-21  Richard Biener  <rguenther@suse.de>
3822
3823         * tree-ssa-loop-im.c (struct lim_aux_data): Add ref index member.
3824         (mem_ref_in_stmt): Remove.
3825         (determine_max_movement): Use ref index to get at the reference.
3826         (invariantness_dom_walker::before_dom_children): Deal with
3827         lim data already initialized.
3828         (gather_mem_refs_stmt): Initialize lim data and record ref index.
3829
3830 2017-08-19  Uros Bizjak  <ubizjak@gmail.com>
3831
3832         * config/i386/i386.h (OPTION_MASK_ISA_ROUND): Remove.
3833         (TARGET_ISA_ROUND): Ditto.
3834         (TARGET_ROUND): Ditto.
3835         * config/i386/i386.c: Substitute TARGET_ROUND with TARGET_SSE4_1.
3836         * config/i386/i386.md: Ditto.
3837         * config/i386/sse.md: Ditto.
3838         * config/i386/i386-builtin.def: Substitute OPTION_MASK_ISA_ROUND
3839         with OPTION_MASK_ISA_SSE4_1.
3840
3841 2017-08-19  Uros Bizjak  <ubizjak@gmail.com>
3842
3843         PR target/81894
3844         * doc/extend.texi (x86 Built-in Functions): Correct the name of
3845         __builtin_ia32_lzcnt_u16.
3846
3847 2017-08-18  Peter Bergner  <bergner@vnet.ibm.com>
3848
3849         PR target/80210
3850         * config/rs6000/rs6000.c (rs6000_activate_target_options): New function.
3851         (rs6000_set_current_function): Rewrite function to use it.
3852
3853 2017-08-18  H.J. Lu  <hongjiu.lu@intel.com>
3854
3855         PR c/53037
3856         * print-tree.c (print_node): Support DECL_WARN_IF_NOT_ALIGN
3857         and TYPE_WARN_IF_NOT_ALIGN.
3858         * stor-layout.c (do_type_align): Merge DECL_WARN_IF_NOT_ALIGN.
3859         (handle_warn_if_not_align): New.
3860         (place_union_field): Call handle_warn_if_not_align.
3861         (place_field): Call handle_warn_if_not_align.
3862         Copy TYPE_WARN_IF_NOT_ALIGN.
3863         (finish_builtin_struct): Copy TYPE_WARN_IF_NOT_ALIGN.
3864         (layout_type): Likewise.
3865         * tree-core.h (tree_type_common): Add warn_if_not_align.  Set
3866         spare to 18.
3867         (tree_decl_common): Add warn_if_not_align.
3868         * tree.c (build_range_type_1): Copy TYPE_WARN_IF_NOT_ALIGN.
3869         * tree.h (TYPE_WARN_IF_NOT_ALIGN): New.
3870         (SET_TYPE_WARN_IF_NOT_ALIGN): Likewise.
3871         (DECL_WARN_IF_NOT_ALIGN): Likewise.
3872         (SET_DECL_WARN_IF_NOT_ALIGN): Likewise.
3873         * doc/extend.texi: Document warn_if_not_aligned attribute.
3874         * doc/invoke.texi: Document -Wif-not-aligned and -Wpacked-not-aligned.
3875
3876 2017-08-17  Martin Liska  <mliska@suse.cz>
3877
3878         PR bootstrap/81864
3879         * tree-loop-distribution.c (ddrs_table): Change type to pointer type.
3880         (get_data_dependence): Use it as pointer type.
3881         (distribute_loop): Likewise.
3882
3883 2017-08-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3884
3885         * config/rs6000/altivec.md (UNSPEC_VMRGOW_DIRECT): New constant.
3886         (p8_vmrgew_v4sf_direct): Generalize to p8_vmrgew_<mode>_direct.
3887         (p8_vmrgow_<mode>_direct): New define_insn.
3888         * config/rs6000/rs6000.c (altivec_expand_vec_perm_const): Properly
3889         handle endianness for vmrgew and vmrgow permute patterns.
3890
3891 2017-08-17  Peter Bergner  <bergner@vnet.ibm.com>
3892
3893         * config/rs6000/altivec.md (VParity): Remove TARGET_VSX_TIMODE.
3894         * config/rs6000/rs6000-cpus.def: Remove comment.
3895         (ISA_2_7_MASKS_SERVER): Delete OPTION_MASK_VSX_TIMODE;
3896         (POWERPC_MASKS): Likewise.
3897         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Remove unneeded
3898         use of TARGET_VSX_TIMODE.
3899         (rs6000_setup_reg_addr_masks): Change TARGET_VSX_TIMODE to TARGET_VSX.
3900         (rs6000_init_hard_regno_mode_ok): Remove unneeded uses of
3901         TARGET_VSX_TIMODE.  Change use of TARGET_VSX_TIMODE to TARGET_VSX.
3902         (rs6000_option_override_internal): Remove dead code.
3903         (rs6000_legitimize_address): Change TARGET_VSX_TIMODE to TARGET_VSX.
3904         (rs6000_legitimize_reload_address): Likewise.
3905         (rs6000_legitimate_address_p): Likewise.
3906         (rs6000_opt_masks): Delete "vsx-timode".
3907         (rs6000_disable_incompatible_switches): Remove mention of -mvsx-timode
3908         from function comment.
3909         * config/rs6000/rs6000.h (MASK_VSX_TIMODE): Delete.
3910         * config/rs6000/rs6000.md (FMOVE128_GPR): Remove TARGET_VSX_TIMODE.
3911         (V16QI, V8HI, V4SI, V4SF, V2DI, V2DF, V1TI): Remove useless empty
3912         condition.
3913         * config/rs6000/rs6000.opt (mvsx-timode): Replace with stub.
3914         * config/rs6000/vector.md (VEC_IP): Remove TARGET_VSX_TIMODE.
3915         * config/rs6000/vsx.md (VSX_LE_128): Likewise.
3916         (VSX_TI): Likewise.
3917         (VSX_M): Likewise.
3918         (define_peephole2): Likewise.
3919
3920 2017-08-17  Martin Sebor  <msebor@redhat.com>
3921
3922         PR c/81859
3923         * pretty-print.c (pp_format): Use strnlen in %.*s to avoid reading
3924         past the end of an array.
3925         (test_pp_format): Add test cases.
3926
3927 2017-08-17  Richard Sandiford  <richard.sandiford@linaro.org>
3928
3929         * internal-fn.def (CLRSB, CLZ, CTZ, FFS, PARITY, POPCOUNT): Add
3930         missing ECF_NOTHROW flags.
3931
3932 2017-08-17  Peter Bergner  <bergner@vnet.ibm.com>
3933
3934         PR target/72804
3935         * config/rs6000/vsx.md (*vsx_le_permute_<mode>): Add support for
3936         operands residing in integer registers.
3937         (*vsx_le_perm_load_<mode>): Likewise.
3938         (*vsx_le_perm_store_<mode>): Likewise.
3939         (define_peephole2): Add peepholes to optimize the above.
3940
3941 2017-08-17  Marek Polacek  <polacek@redhat.com>
3942
3943         PR middle-end/81814
3944         * fold-const.c (operand_equal_for_comparison_p): Remove code that used
3945         to mimic what shorten_compare did.  Change the return type to bool.
3946         (fold_cond_expr_with_comparison): Update call to
3947         operand_equal_for_comparison_p.
3948         (fold_ternary_loc): Likewise.
3949
3950 2017-08-17  Jackson Woodruff  <jackson.woodruff@arm.com>
3951
3952         * aarch64-simd.md (mov<mode>): No longer force zero immediate into
3953         register.
3954         (*aarch64_simd_mov<mode>): Add new case for stp using zero immediate.
3955
3956 2017-08-17  Richard Biener  <rguenther@suse.de>
3957
3958         * tree-ssa-structalias.c (solve_graph): When propagating
3959         to successors update the graphs succ edges and avoid duplicate work.
3960
3961 2017-08-17  Maxim Ostapenko  <m.ostapenko@samsung.com>
3962
3963         PR target/81861
3964         * config/i386/i386.c (ix86_option_override_internal): Save target
3965         specific options after ix86_stack_protector_guard_reg was changed.
3966
3967 2017-08-17  Richard Biener  <rguenther@suse.de>
3968
3969         PR tree-optimization/81827
3970         * tree-ssa-structalias.c (struct variable_info): Add is_reg_var flag.
3971         (new_var_info): Initialize it conservatively.
3972         (get_call_vi): Mark register vars.
3973         (new_scalar_tmp_constraint_exp): Likewise.
3974         (handle_rhs_call): Likewise.
3975         (handle_const_call): Likewise.
3976         (create_function_info_for): Likewise.
3977         (solve_constraints): Sort varinfos to separate register from
3978         non-register vars to pack points-to solution bitmaps during
3979         iteration.
3980
3981 2017-08-17  Marek Polacek  <polacek@redhat.com>
3982
3983         * gimplify.c (gimplify_adjust_omp_clauses): Compare with 0 instead of 1.
3984
3985 2017-08-17  Richard Biener  <rguenther@suse.de>
3986
3987         * tree-vrp.c (vrp_int_const_binop): Do not set *overflow_p
3988         to true when overflow is undefined and we saturated the result.
3989
3990 2017-08-17  Alan Modra  <amodra@gmail.com>
3991
3992         PR target/80938
3993         * config/rs6000/rs6000.c (rs6000_savres_strategy): Revert 2017-08-09.
3994         Don't use store multiple if only one reg needs saving.
3995         (interesting_frame_related_regno): New function.
3996         (rs6000_frame_related): Don't emit frame info for regs that
3997         don't need saving.
3998         (rs6000_emit_epilogue): Likewise.
3999
4000 2017-08-16  Nathan Sidwell  <nathan@acm.org>
4001
4002         * tree-core.h (tree_type_non_common): Rename binfo to lang_1.
4003         * tree.h (TYPE_BINFO): Use type_non_common.maxval.
4004         (TYPE_LANG_SLOT_1): Use type_non_common.lang_1, for any type.
4005         * tree.c (free_lang_data_in_type): Use else-if chain.  Always
4006         clear TYPE_LANG_1.  Remove obsolete member-function stripping.
4007         (find_decls_types_r): Comment about TYPE_MAX_VALUES_RAW.
4008         (verify_type): Adjust for TYPE_BINFO move.
4009         * lto-streamer-out.c (DFS::DFS_write_tree_body): No need to
4010         process TYPE_BINFO directly.
4011         (hash_tree): Likewise.
4012         * tree-streamer-in.c (lto_input_ts_type_non_common_tree_pointers):
4013         Likewise.
4014         * tree-streamer-out.c (write_ts_type_non_common_tree_pointers):
4015         Likewise.
4016
4017 2017-08-16  David Malcolm  <dmalcolm@redhat.com>
4018
4019         * diagnostic-show-locus.c (colorizer::m_caret): Remove unused field.
4020
4021 2017-08-16  Uros Bizjak  <ubizjak@gmail.com>
4022
4023         PR target/46091
4024         * config/i386/i386.md (*anddi_1_btr): Change predicates of
4025         operand 0 and operand 1 to nomimmediate_operand. Add "m" constraint.
4026         Add ix86_binary_operator_ok to insn constraint.
4027         (*iordi_1_bts): Ditto.
4028         (*xordi_1_btc): Ditto.
4029         (*btsq): Change predicate of operand 0 to nonimmediate_operand.
4030         Update corresponding peephole2 pattern.
4031         (*btrq): Ditto.
4032         (*btcq): Ditto.
4033
4034 2017-08-16  Bin Cheng  <bin.cheng@arm.com>
4035
4036         PR tree-optimization/81832
4037         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Don't
4038         copy loop header which has IFN_LOOP_DIST_ALIAS call.
4039
4040 2017-08-16  Marek Polacek  <polacek@redhat.com>
4041
4042         PR middle/81695
4043         * fold-const.c (fold_indirect_ref_1): Restore original behavior
4044         regarding size_zero_node.
4045
4046 2017-08-16  Martin Liska  <mliska@suse.cz>
4047
4048         PR target/81753
4049         * config.gcc: Respect previously set extra_objs in case
4050         of darwin target.
4051
4052 2017-08-16  Richard Sandiford  <richard.sandiford@linaro.org>
4053
4054         PR tree-optimization/81835
4055         * tree-vect-loop.c (vect_is_simple_reduction): Simply checks for
4056         the phi SSA_NAME.  Check that the condition in a COND_EXPR does
4057         not depend on the phi.
4058
4059 2017-08-16  Alan Modra  <amodra@gmail.com>
4060
4061         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Delete
4062         dead code.
4063
4064 2017-08-16  Alan Modra  <amodra@gmail.com>
4065
4066         * config/rs6000/rs6000.c (rs6000_reg_live_or_pic_offset_p): Merge..
4067         (save_reg_p): ..into this.  Update all callers.
4068         (first_reg_to_save): Simplify.
4069
4070 2017-08-16  Alan Modra  <amodra@gmail.com>
4071
4072         * config/rs6000/rs6000.c (rs6000_savres_strategy): Don't restore
4073         fixed regs.
4074
4075 2017-08-15  Joseph Myers  <joseph@codesourcery.com>
4076
4077         PR target/78460
4078         PR target/67712
4079         * config/sh/sh-mem.cc (sh_expand_cmpnstr): Only unroll for
4080         constant count if that count is less than 32.
4081
4082 2017-08-15  Nathan Sidwell  <nathan@acm.org>
4083
4084         * gcc.c (execute): Emit friendlier message if inferior is killed
4085         by an external cause.
4086
4087 2017-08-15  Richard Biener  <rguenther@suse.de>
4088
4089         PR tree-optimization/81790
4090         * tree-ssa-sccvn.c (vn_lookup_simplify_result): Handle both
4091         CONSTRUCTORs from simplifying and VN.
4092
4093 2017-08-14  Martin Sebor  <msebor@redhat.com>
4094
4095         * builtin-attrs.def: Add comments.
4096
4097 2017-08-14  Martin Sebor  <msebor@redhat.com>
4098
4099         PR c/81117
4100         * doc/extend.texi (attribute nonstring): Document new attribute.
4101
4102 2017-08-14  Martin Sebor  <msebor@redhat.com>
4103
4104         PR c/81117
4105         * tree-diagnostic.c (default_tree_printer): Handle %G.
4106         * gimple-pretty-print.h (percent_G_format): Declare new function.
4107         * gimple-pretty-print.c (percent_G_format): Define.
4108         * tree-pretty-print.c (percent_K_format): Add argument.
4109
4110 2017-08-14  Martin Sebor  <msebor@redhat.com>
4111
4112         PR translation/79998
4113         * gimple-ssa-sprintf.c (pass_sprintf_length::handle_gimple_call):
4114         Remove a stray space.
4115
4116 2017-08-14  Uros Bizjak  <ubizjak@gmail.com>
4117
4118         PR target/46091
4119         * config/i386/i386.md (*anddi_1_btr): New insn_and_split pattern.
4120         (*iordi_1_bts): Ditto.
4121         (*xordi_1_btc): Ditto.
4122
4123 2017-08-14  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4124
4125         PR target/79845
4126         * config/rs6000/linux64.h (INVALID_64BIT): Use quoted strings.
4127         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
4128         Likewise.
4129         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Use
4130         quoted strings, and make more translator-friendly.
4131         (darwin_rs6000_override_options): Likewise.
4132         (rs6000_option_override_internal): Likewise.
4133         (rs6000_return_in_memory): Fix overlong line.
4134         (init_cmulative_args): Use quoted strings, and make more
4135         translator-friendly.
4136         (rs6000_pass_by_reference): Fix overlong line.
4137         (def_builtin): Use quoted strings.
4138         (altivec_expand_predicate_builtin): Use quoted strings, and make
4139         more translator-friendly.
4140         (htm_expand_builtin): Use quoted strings.
4141         (cpu_expand_builtin): Use quoted strings, and make more
4142         translator-friendly.
4143         (altivec_expand_builtin): Likewise.
4144         (paired_expand_predicate_builtin): Likewise.
4145         (rs6000_invalid_builtin): Likewise.
4146         (builtin_function_type): Use quoted strings.
4147         (rs6000_expand_split_stack_prologue): Use quoted strings, and make
4148         more translator-friendly.
4149         (rs6000_trampoline_init): Likewise.
4150         (rs6000_handle_altivec_attribute): Likewise.
4151         (rs6000_inner_target_options): Use quoted strings.
4152         (rs6000_disable_incompatible_switches): Likewise.
4153         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Use quoted
4154         strings, and make more translator-friendly.
4155         (SUBSUBTARGET_OVERRIDE_OPTIONS): Use quoted strings.
4156
4157 2017-08-14  Bin Cheng  <bin.cheng@arm.com>
4158
4159         PR tree-optimization/81799
4160         * tree-loop-distribution.c (version_loop_by_alias_check): Force
4161         cond_expr to simple gimple operand.
4162
4163 2017-08-14  Wilco Dijkstra  <wdijkstr@arm.com>
4164
4165         PR middle-end/46932
4166         * doc/sourcebuild.texi (autoincdec): Add autoincdec description.
4167
4168 2017-08-14  Georg-Johann Lay  <avr@gjlay.de>
4169
4170         PR target/81754
4171         PR target/81268
4172         * config/avr/avr.opt (mgas-isr-prologues): New Var avr_gasisr_prologues.
4173         * config/avr/avr.md (gasisr, *gasisr): Use it instead of
4174         TARGET_GASISR_PROLOGUES.
4175         * config/avr/avr.c (avr_option_override): Same.
4176         (avr_pass_pre_proep::execute): Same.
4177
4178 2017-08-13  H.J. Lu  <hongjiu.lu@intel.com>
4179
4180         PR target/81820
4181         * config/i386/i386.c (ix86_finalize_stack_frame_flags): Replace
4182         frame pointer with stack pointer - UNITS_PER_WORD in debug insns.
4183
4184 2017-08-13  Uros Bizjak  <ubizjak@gmail.com>
4185
4186         * config/i386/i386.md (*load_tp_<mode>): Redefine as
4187         define_insn_and_split.  Split to a memory load from 0 in
4188         DEFAULT_TLS_SEG_REG address space.  Merge with *load_tp_x32
4189         using PTR mode iterator.
4190         (*load_tp_x32_zext"): Redefine as define_insn_and_split.
4191         Split to a memory load from 0 in DEFAULT_TLS_SEG_REG address space.
4192         (*add_tp_<mode>): Redefine as define_insn_and_split.
4193         Split to an add with a memory load from 0 in DEFAULT_TLS_SEG_REG
4194         address space.  Merge with *add_tp_x32 using PTR mode iterator.
4195         (*add_tp_x32_zext"): Redefine as define_insn_and_split.
4196         Split to an add with a  memory load from 0 in
4197         DEFAULT_TLS_SEG_REG address space.
4198
4199 2017-08-12  Andrew Pinski  <apinski@cavium.com>
4200
4201         * config/aarch64/aarch64-option-extensions.def (rdma):
4202         Fix feature string to what Linux prints out in /proc/cpuinfo.
4203
4204 2017-08-12  Pierre-Marie de Rodat  <derodat@adacore.com>
4205
4206         PR ada/79542
4207         * dwarf2out.c (modified_type_die): For C typedef types that have
4208         an ultimate origin, process the ultimate origin instead of the
4209         input type.
4210         (gen_typedef_die): Assert that input DECLs have no ultimate
4211         origin.
4212         (gen_type_die_with_usage): For typedef variants that have an
4213         ultimate origin, just call gen_decl_die on the original DECL.
4214         (process_scope_var): Avoid creating DIEs for local typedefs and
4215         concrete static variables.
4216
4217 2017-08-12  Alan Modra  <amodra@gmail.com>
4218
4219         PR target/81170
4220         PR target/81295
4221         * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Upgrade to
4222         match gnu-user.h startfile.
4223         (ENDFILE_LINUX_SPEC): Similarly.
4224
4225 2017-08-11  Thomas Schwinge  <thomas@codesourcery.com>
4226
4227         PR lto/81430
4228         * config/nvptx/nvptx.c (nvptx_override_options_after_change):
4229         Remove function.
4230         (TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE): Remove definition.
4231
4232 2017-08-11  Tamar Christina  <tamar.christina@arm.com>
4233         * config/aarch64/aarch64.md (mov<mode>): Change.
4234         (*movhf_aarch64, *movsf_aarch64, *movdf_aarch64):
4235         aarch64_reg_or_fp_float into aarch64_reg_or_fp_zero.
4236         * config/aarch64/predicates.md (aarch64_reg_or_fp_float): Removed.
4237
4238 2017-08-11  Eric Botcazou  <ebotcazou@adacore.com>
4239
4240         * tree-sra.c (build_access_from_expr_1): Use more precise diagnostics
4241         for storage order barriers.
4242
4243 2017-08-11  Martin Liska  <mliska@suse.cz>
4244
4245         PR tree-opt/79987
4246         * tree-chkp.c (chkp_get_bounds_for_decl_addr): Do not instrument
4247         variables of void type.
4248
4249 2017-08-11  Martin Liska  <mliska@suse.cz>
4250
4251         * asan.c (asan_protect_global): Replace ASM_OUTPUT_DEF with
4252         TARGET_SUPPORTS_ALIASES.
4253         * cgraph.c (cgraph_node::create_same_body_alias): Likewise.
4254         * ipa-visibility.c (can_replace_by_local_alias): Likewise.
4255         (optimize_weakref): Likewise.
4256         * symtab.c (symtab_node::noninterposable_alias): Likewise.
4257         * varpool.c (varpool_node::create_extra_name_alias): Likewise.
4258         * defaults.h: Introduce TARGET_SUPPORTS_ALIASES.
4259
4260 2017-08-11  Martin Liska  <mliska@suse.cz>
4261
4262         PR ipa/81213
4263         * config/i386/i386.c (make_resolver_func): Do complete
4264         refactoring of the function.
4265
4266 2017-08-10  Uros Bizjak  <ubizjak@gmail.com>
4267
4268         PR target/81708
4269         * config/i386/i386.opt (mstack-protector-guard-symbol=): New option
4270         * config/i386/i386.c (ix86_stack_protect_guard): Use
4271         ix86_stack_protect_guard_symbol_str to generate varible declaration.
4272         * doc/invoke.texi (x86 Options): Document
4273         -mstack-protector-guard-symbol= option.
4274
4275 2017-08-10  Uros Bizjak  <ubizjak@gmail.com>
4276
4277         * config/i386/i386-protos.h (ix86_split_stack_guard): New prototype.
4278         * config/i386/i386.c (ix86_split_stack_guard): New function.
4279         (ix86_xpand_split_stack_prologue): Call ix86_split_stack_guard.
4280         (ix86_legitimate_address_p) <case UNSPEC_STACK_CHECK>: Remove.
4281         (i386_asm_output_addr_const_extra) <case UNSPEC_STACK_CHECK>: Ditto.
4282         (optput_pic_addr_const): Remove UNSPEC_STACK_CHECK handling.
4283         * config/i386/i386.md (unspec): Remove UNSPEC_STACK_CHECK.
4284         (split_stack_space_check): Call ix86_split_stack_guard.
4285
4286 2017-08-10  Martin Sebor  <msebor@redhat.com>
4287
4288         * print-tree.c (print_node): Print location using the established
4289         format %s:%i%i.
4290         Replace spaces with colons.
4291         (debug_raw, debug): Ditto.
4292
4293 2017-08-10  Martin Sebor  <msebor@redhat.com>
4294
4295         PR c++/81586
4296         * pretty-print.c (pp_format): Correct the handling of %s precision.
4297
4298 2017-08-10  H.J. Lu  <hongjiu.lu@intel.com>
4299
4300         PR target/81736
4301         * config/i386/i386.c (ix86_finalize_stack_realign_flags): Renamed
4302         to ...
4303         (ix86_finalize_stack_frame_flags): This.  Also clear
4304         frame_pointer_needed if -fno-omit-frame-pointer is used without
4305         stack access.
4306         (ix86_expand_prologue): Replace ix86_finalize_stack_realign_flags
4307         with ix86_finalize_stack_frame_flags.
4308         (ix86_expand_epilogue): Likewise.
4309         (ix86_expand_split_stack_prologue): Likewise.
4310         * doc/invoke.texi: Add a note for -fno-omit-frame-pointer.
4311
4312 2017-08-10  Martin Liska  <mliska@suse.cz>
4313
4314         PR c++/81355
4315         * c-attribs.c (handle_target_attribute):
4316         Report warning for an empty string argument of target attribute.
4317
4318 2017-08-09  Jakub Jelinek  <jakub@redhat.com>
4319
4320         PR c/81687
4321         * omp-low.c (omp_copy_decl): Don't remap FORCED_LABEL or DECL_NONLOCAL
4322         LABEL_DECLs.
4323         * tree-cfg.c (move_stmt_op): Don't adjust DECL_CONTEXT of FORCED_LABEL
4324         or DECL_NONLOCAL labels.
4325         (move_stmt_r) <case GIMPLE_LABEL>: Adjust DECL_CONTEXT of FORCED_LABEL
4326         or DECL_NONLOCAL labels here.
4327
4328 2017-08-09  Will Schmidt  <will_schmidt@vnet.ibm.com>
4329
4330         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add blurb
4331         to indicate when early gimple folding has been disabled.
4332         (rs6000_gimple_fold_builtin): Add debug content.
4333         (rs6000_invalid_builtin): Fix whitespace.
4334         (rs6000_expand_builtin): Fix whitespace.
4335         * config/rs6000/rs6000.opt: Add option for -mfold-gimple.
4336
4337 2017-08-09  Segher Boessenkool  <segher@kernel.crashing.org>
4338
4339         PR target/80938
4340         * config/rs6000/rs6000.c (rs6000_savres_strategy): Don't use
4341         SAVE_MULTIPLE if not all the registers that saves, should be saved.
4342
4343 2017-08-09  Jim Wilson  <jim.wilson@linaro.org>
4344
4345         * config/aarch64/aarch64-cores.def (falkor): Use falkor pipeline.
4346         (qdf24xx): Likewise.
4347         * config/aarch64/aarch64.md: Include falkor.md.
4348         * config/aarch64/falkor.md: New.
4349
4350 2017-08-09  Marek Polacek  <polacek@redhat.com>
4351
4352         PR c/81233
4353         * diagnostic-core.h (emit_diagnostic_valist): Add declaration.
4354         * diagnostic.c (emit_diagnostic): Add a comment.
4355         (emit_diagnostic_valist): New function.
4356
4357 2017-08-09  Marek Polacek  <polacek@redhat.com>
4358
4359         PR c/81417
4360         * input.c (make_location): New overload.
4361         * input.h (make_location): Declare.
4362
4363 2017-08-08  Alan Modra  <amodra@gmail.com>
4364             H.J. Lu  <hongjiu.lu@intel.com>
4365
4366         PR driver/81523
4367         * gcc.c (NO_PIE_SPEC): Delete.
4368         (PIE_SPEC): Define as !no-pie/pie.  Move static|shared|r
4369         exclusion..
4370         (LINK_PIE_SPEC): ..to here.
4371         (LINK_COMMAND_SPEC): Support -no-pie.
4372         * config/gnu-user.h (GNU_USER_TARGET_STARTFILE_SPEC): Correct
4373         chain of crtbegin*.o selection, update for PIE_SPEC changes and
4374         format.
4375         (GNU_USER_TARGET_ENDFILE_SPEC): Similarly.
4376         * config/sol2.h (STARTFILE_CRTBEGIN_SPEC): Similarly.
4377         (ENDFILE_CRTEND_SPEC): Similarly.
4378
4379 2017-08-08  Uros Bizjak  <ubizjak@gmail.com>
4380
4381         PR target/81708
4382         * config/i386/i386.opt (mstack-protector-guard-reg=): New option
4383         (mstack-protector-guard-offset=): Ditto.
4384         * config/i386/i386.c (ix86_option_override): Handle
4385         -mstack-protector-guard-reg= and -mstack-protector-guard-offset=
4386         options.
4387         (ix86_stack_protect_guard): Use ix86_stack_protect_guard_reg and
4388         ix86_stack_protect_guard_offset variables.
4389         (TARGET_STACK_PROTECT_GUARD): Always define.
4390         * doc/invoke.texi (x86 Options): Document -mstack-protector-guard-reg=
4391         and -mstack-protector-guard-offset= options.
4392
4393 2017-08-08  Bin Cheng  <bin.cheng@arm.com>
4394
4395         * tree-ssa-loop-ivopts.c (relate_compare_use_with_all_cands): Handle
4396         boundary case for the last candidate.
4397
4398 2017-08-08  Bin Cheng  <bin.cheng@arm.com>
4399
4400         * doc/invoke.texi: Document -ftree-loop-distribution for O3.
4401         * opts.c (default_options_table): Add OPT_ftree_loop_distribution.
4402
4403 2017-08-08  Tamar Christina  <tamar.christina@arm.com>
4404
4405         PR middle-end/19706
4406         * config/aarch64/aarch64.md (xorsign<mode>3): New optabs.
4407         * config/aarch64/aarch64-builtins.c
4408         (aarch64_builtin_vectorized_function): Added CASE_CFN_XORSIGN.
4409         * config/aarch64/aarch64-simd-builtins.def: Added xorsign BINOP.
4410         * config/aarch64/aarch64-simd.md: Added xorsign<mode>3
4411
4412 2017-08-08  Tamar Christina  <tamar.christina@arm.com>
4413             Andrew Pinski <pinskia@gmail.com>
4414
4415         PR middle-end/19706
4416         * internal-fn.def (XORSIGN): New.
4417         * optabs.def (xorsign_optab): New.
4418         * tree-ssa-math-opts.c (is_copysign_call_with_1): New.
4419         (convert_expand_mult_copysign): New.
4420         (pass_optimize_widening_mul::execute): Call
4421         convert_expand_mult_copysign.
4422
4423 2017-08-08  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4424
4425         PR tree-optimization/81354
4426         * gimple-ssa-strength-reduction.c (create_add_on_incoming_edge):
4427         Insert on edges rather than explicitly creating landing pads.
4428         (analyze_candidates_and_replace): Commit edge inserts.
4429
4430 2017-08-08  Richard Biener  <rguenther@suse.de>
4431
4432         PR middle-end/81719
4433         * tree-ssa-loop-niter.c: Include tree-dfa.h.
4434         (expand_simple_operations): Also look through ADDR_EXPRs with
4435         MEM_REF bases treating them as POINTER_PLUS_EXPR.
4436
4437 2017-08-08  Richard Biener  <rguenther@suse.de>
4438
4439         PR tree-optimization/81723
4440         * tree-vect-slp.c (struct bst_traits): New hash traits.
4441         (bst_fail): New global.
4442         (vect_build_slp_tree_2): New worker, split out from ...
4443         (vect_build_slp_tree): ... this now wrapping it with using
4444         bst_fail set to cache SLP tree build fails.  Properly handle
4445         max_tree_size.
4446         (vect_analyze_slp_instance): Allocate and free bst_fail.
4447
4448 2017-08-08  Martin Liska  <mliska@suse.cz>
4449
4450         PR tree-opt/81696
4451         * ipa-icf-gimple.c (func_checker::compare_cst_or_decl): Consider
4452         LABEL_DECLs that can be from a different function.
4453
4454 2017-08-08  Bin Cheng  <bin.cheng@arm.com>
4455
4456         PR tree-optimization/81744
4457         * tree-predcom.c (prepare_finalizers_chain): Deep copy expr of
4458         loop's number of iterations.
4459
4460 2017-08-08  Martin Liska  <mliska@suse.cz>
4461
4462         * asan.c: Include header files.
4463         * attribs.c (build_decl_attribute_variant): New function moved
4464         from tree.[ch].
4465         (build_type_attribute_qual_variant): Likewise.
4466         (cmp_attrib_identifiers): Likewise.
4467         (simple_cst_list_equal): Likewise.
4468         (omp_declare_simd_clauses_equal): Likewise.
4469         (attribute_value_equal): Likewise.
4470         (comp_type_attributes): Likewise.
4471         (build_type_attribute_variant): Likewise.
4472         (lookup_ident_attribute): Likewise.
4473         (remove_attribute): Likewise.
4474         (merge_attributes): Likewise.
4475         (merge_type_attributes): Likewise.
4476         (merge_decl_attributes): Likewise.
4477         (merge_dllimport_decl_attributes): Likewise.
4478         (handle_dll_attribute): Likewise.
4479         (attribute_list_equal): Likewise.
4480         (attribute_list_contained): Likewise.
4481         * attribs.h (lookup_attribute): New function moved from tree.[ch].
4482         (lookup_attribute_by_prefix): Likewise.
4483         * bb-reorder.c: Include header files.
4484         * builtins.c: Likewise.
4485         * calls.c: Likewise.
4486         * cfgexpand.c: Likewise.
4487         * cgraph.c: Likewise.
4488         * cgraphunit.c: Likewise.
4489         * convert.c: Likewise.
4490         * dwarf2out.c: Likewise.
4491         * final.c: Likewise.
4492         * fold-const.c: Likewise.
4493         * function.c: Likewise.
4494         * gimple-expr.c: Likewise.
4495         * gimple-fold.c: Likewise.
4496         * gimple-pretty-print.c: Likewise.
4497         * gimple.c: Likewise.
4498         * gimplify.c: Likewise.
4499         * hsa-common.c: Likewise.
4500         * hsa-gen.c: Likewise.
4501         * internal-fn.c: Likewise.
4502         * ipa-chkp.c: Likewise.
4503         * ipa-cp.c: Likewise.
4504         * ipa-devirt.c: Likewise.
4505         * ipa-fnsummary.c: Likewise.
4506         * ipa-inline.c: Likewise.
4507         * ipa-visibility.c: Likewise.
4508         * ipa.c: Likewise.
4509         * lto-cgraph.c: Likewise.
4510         * omp-expand.c: Likewise.
4511         * omp-general.c: Likewise.
4512         * omp-low.c: Likewise.
4513         * omp-offload.c: Likewise.
4514         * omp-simd-clone.c: Likewise.
4515         * opts-global.c: Likewise.
4516         * passes.c: Likewise.
4517         * predict.c: Likewise.
4518         * sancov.c: Likewise.
4519         * sanopt.c: Likewise.
4520         * symtab.c: Likewise.
4521         * toplev.c: Likewise.
4522         * trans-mem.c: Likewise.
4523         * tree-chkp.c: Likewise.
4524         * tree-eh.c: Likewise.
4525         * tree-into-ssa.c: Likewise.
4526         * tree-object-size.c: Likewise.
4527         * tree-parloops.c: Likewise.
4528         * tree-profile.c: Likewise.
4529         * tree-ssa-ccp.c: Likewise.
4530         * tree-ssa-live.c: Likewise.
4531         * tree-ssa-loop.c: Likewise.
4532         * tree-ssa-sccvn.c: Likewise.
4533         * tree-ssa-structalias.c: Likewise.
4534         * tree-ssa.c: Likewise.
4535         * tree-streamer-in.c: Likewise.
4536         * tree-vectorizer.c: Likewise.
4537         * tree-vrp.c: Likewise.
4538         * tsan.c: Likewise.
4539         * ubsan.c: Likewise.
4540         * varasm.c: Likewise.
4541         * varpool.c: Likewise.
4542         * tree.c: Remove functions moved to attribs.[ch].
4543         * tree.h: Likewise.
4544         * config/aarch64/aarch64.c: Add attrs.h header file.
4545         * config/alpha/alpha.c: Likewise.
4546         * config/arc/arc.c: Likewise.
4547         * config/arm/arm.c: Likewise.
4548         * config/avr/avr.c: Likewise.
4549         * config/bfin/bfin.c: Likewise.
4550         * config/c6x/c6x.c: Likewise.
4551         * config/cr16/cr16.c: Likewise.
4552         * config/cris/cris.c: Likewise.
4553         * config/darwin.c: Likewise.
4554         * config/epiphany/epiphany.c: Likewise.
4555         * config/fr30/fr30.c: Likewise.
4556         * config/frv/frv.c: Likewise.
4557         * config/ft32/ft32.c: Likewise.
4558         * config/h8300/h8300.c: Likewise.
4559         * config/i386/winnt.c: Likewise.
4560         * config/ia64/ia64.c: Likewise.
4561         * config/iq2000/iq2000.c: Likewise.
4562         * config/lm32/lm32.c: Likewise.
4563         * config/m32c/m32c.c: Likewise.
4564         * config/m32r/m32r.c: Likewise.
4565         * config/m68k/m68k.c: Likewise.
4566         * config/mcore/mcore.c: Likewise.
4567         * config/microblaze/microblaze.c: Likewise.
4568         * config/mips/mips.c: Likewise.
4569         * config/mmix/mmix.c: Likewise.
4570         * config/mn10300/mn10300.c: Likewise.
4571         * config/moxie/moxie.c: Likewise.
4572         * config/msp430/msp430.c: Likewise.
4573         * config/nds32/nds32-isr.c: Likewise.
4574         * config/nds32/nds32.c: Likewise.
4575         * config/nios2/nios2.c: Likewise.
4576         * config/nvptx/nvptx.c: Likewise.
4577         * config/pa/pa.c: Likewise.
4578         * config/pdp11/pdp11.c: Likewise.
4579         * config/powerpcspe/powerpcspe.c: Likewise.
4580         * config/riscv/riscv.c: Likewise.
4581         * config/rl78/rl78.c: Likewise.
4582         * config/rx/rx.c: Likewise.
4583         * config/s390/s390.c: Likewise.
4584         * config/sh/sh.c: Likewise.
4585         * config/sol2.c: Likewise.
4586         * config/sparc/sparc.c: Likewise.
4587         * config/spu/spu.c: Likewise.
4588         * config/stormy16/stormy16.c: Likewise.
4589         * config/tilegx/tilegx.c: Likewise.
4590         * config/tilepro/tilepro.c: Likewise.
4591         * config/v850/v850.c: Likewise.
4592         * config/vax/vax.c: Likewise.
4593         * config/visium/visium.c: Likewise.
4594         * config/xtensa/xtensa.c: Likewise.
4595
4596 2017-08-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
4597
4598         PR target/81593
4599         * config/rs6000/vsx.md (vsx_concat_<mode>, VSX_D): Cleanup
4600         constraints since the -mupper-regs-* switches have been
4601         eliminated.
4602         (vsx_concat_<mode>_1): New combiner insns to recognize inserting
4603         into a vector from a double word element that was extracted from
4604         another vector, and eliminate extra XXPERMDI instructions.
4605         (vsx_concat_<mode>_2): Likewise.
4606         (vsx_concat_<mode>_3): Likewise.
4607         (vsx_set_<mode>, VSX_D): Rewrite vector set in terms of vector
4608         concat to allow optimizing inserts from previous extracts.
4609
4610 2017-08-07  Uros Bizjak  <ubizjak@gmail.com>
4611
4612         * config/i386/i386.c (ix86_stack_protect_guard): Generate
4613         memory reference to a SSP offset in TLS address space.
4614         (ix86_print_operand) <case '@'>: Remove.
4615         (ix86_print_operand_punct_valid_p): Remove '@' code.
4616         * config/i386/i386.md (unspec): Remove UNSPEC_SP_TLS_SET and
4617         UNSPEC_SP_TLS_TEST.
4618         (stack_tls_protect_set_<mode>): Remove.
4619         (stack_protect_set): Do not call gen_stack_tls_protect_set_<mode>.
4620         (stack_tls_protect_test_<mode>): Remove.
4621         (stack_protect_test): Do not call gen_stack_tls_protect_test_<mode>.
4622
4623 2017-08-07  Olivier Hainque  <hainque@adacore.com>
4624
4625         PR target/81755
4626         * config/vxworksae.h (VXWORKS_HAVE_TLS): Define.
4627
4628 2017-08-07  Douglas Rupp  <rupp@adacore.com>
4629
4630         * Makefile.in (install-mkheaders): Fix typo, where the multi_dir
4631         variable was referenced as multidir in command.
4632
4633 2017-08-07  Jakub Jelinek  <jakub@redhat.com>
4634
4635         PR c/69389
4636         * gimplify.c (goa_stabilize_expr): Handle BIT_INSERT_EXPR and
4637         BIT_FIELD_REF.
4638
4639 2017-08-07  Martin Liska  <mliska@suse.cz>
4640
4641         * config/m32c/m32c.c: Add include of stringpool.h and attribs.h.
4642         * config/rl78/rl78.c: Add include of attribs.h.
4643         * config/sh/sh.c: Likewise.
4644         * config/v850/v850.c: Likewise.
4645
4646 2017-08-07  Tom de Vries  <tom@codesourcery.com>
4647
4648         PR middle-end/78266
4649         * omp-expand.c (expand_oacc_for): Ensure diff_type is large enough.
4650
4651 2017-08-07  Martin Liska  <mliska@suse.cz>
4652
4653         * config/mips/mips.c: Include attribs.h.
4654
4655 2017-08-07  Thomas Koenig  <tkoenig@gcc.gnu.org>
4656
4657         PR fortran/68829
4658         * doc/invoke.texi: Document change in behvaior for -Ofast for
4659         Fortran.
4660
4661 2017-08-07  Wilco Dijkstra  <wdijkstr@arm.com>
4662
4663         * config/aarch64/aarch64.c (aarch64_pushwb_single_reg):
4664         Use gen_frame_mem.
4665         (aarch64_pop_regs): Likewise.
4666         (aarch64_gen_load_pair): Likewise.
4667         (aarch64_save_callee_saves): Likewise.
4668         (aarch64_restore_callee_saves): Likewise.
4669
4670 2017-08-07  H.J. Lu  <hongjiu.lu@intel.com>
4671
4672         * config/i386/i386.c: Revert the last change.
4673
4674 2017-08-07  H.J. Lu  <hongjiu.lu@intel.com>
4675
4676         PR target/81736
4677         * config/i386/i386.c (ix86_finalize_stack_realign_flags): Renamed
4678         to ...
4679         (ix86_finalize_stack_frame_flags): This.  Also clear
4680         frame_pointer_needed if -fno-omit-frame-pointer is used without
4681         stack access.
4682         (ix86_expand_prologue): Replace ix86_finalize_stack_realign_flags
4683         with ix86_finalize_stack_frame_flags.
4684         (ix86_expand_epilogue): Likewise.
4685         (ix86_expand_split_stack_prologue): Likewise.
4686
4687 2017-08-07  H.J. Lu  <hongjiu.lu@intel.com>
4688
4689         PR target/81743
4690         * config/i386/i386.c (get_builtin_code_for_version): Set priority
4691         to P_AES for Westmere.
4692
4693 2017-08-07  Jonathan Yong  <10walls@gmail.com>
4694
4695         * config/i386/mingw.opt (fset-stack-executable): Removed.
4696         * config/i386/cygming.opt (fset-stack-executable): Moved
4697         from mingw.opt.
4698         * config/i386/cygwin.h: Define CHECK_EXECUTE_STACK_ENABLED.
4699
4700 2017-08-07  Segher Boessenkool  <segher@kernel.crashing.org>
4701
4702         * print-rtl.c (print_exp): Print NOT as "~" instead of as "!".
4703
4704 2017-08-07  Marek Polacek  <polacek@redhat.com>
4705
4706         PR middle-end/81737
4707         * fold-const.c (fold_indirect_ref_1): Check type_domain.
4708
4709 2017-08-07  Martin Liska  <mliska@suse.cz>
4710
4711         * attribs.h (canonicalize_attr_name): New function.
4712         (cmp_attribs): Move from c-format.c and adjusted.
4713         (is_attribute_p): Moved from tree.h.
4714         * tree-inline.c: Add new includes.
4715         * tree.c (cmp_attrib_identifiers): Use cmp_attribs.
4716         (private_is_attribute_p): Remove.
4717         (private_lookup_attribute): Likewise.
4718         (private_lookup_attribute_by_prefix): Simplify.
4719         (remove_attribute): Use is_attribute_p.
4720         * tree.h: Remove removed declarations.
4721
4722 2017-08-07  Jakub Jelinek  <jakub@redhat.com>
4723
4724         PR middle-end/81698
4725         * stmt.c (emit_case_dispatch_table): Add DEFAULT_EDGE argument,
4726         instead of computing it in the function.  Formatting fix.
4727         (expand_case): Don't rely on default_edge being the first edge,
4728         clear it if removing it, pass default_edge to
4729         emit_case_dispatch_table.
4730         (expand_sjlj_dispatch_table): Pass NULL as DEFAULT_EDGE, formatting
4731         fix.
4732
4733 2017-08-06  Uros Bizjak  <ubizjak@gmail.com>
4734
4735         * config/alpha/alpha.c (alpha_reorg): If trap is the last active
4736         insn in the function, emit NOP after the insn.
4737
4738 2017-08-06  Tom de Vries  <tom@codesourcery.com>
4739
4740         * omp-expand.c (expand_oacc_for): Add missing edge probability for tile
4741         and element loops.
4742
4743 2017-08-06  Tom de Vries  <tom@codesourcery.com>
4744
4745         * omp-expand.c (expand_oacc_for): Add missing edge probability for chunk
4746         loop.
4747
4748 2017-08-04  Yury Gribov  <tetra2005@gmail.com>
4749
4750         PR tree-optimization/57371
4751         * match.pd: New pattern.
4752
4753 2017-08-04  Marek Polacek  <polacek@redhat.com>
4754
4755         PR middle-end/81695
4756         * fold-const.c (fold_indirect_ref_1): For ((int *)&a + 4 -> a[1],
4757         perform the computation in offset_int.
4758
4759 2017-08-04  Richard Sandiford  <richard.sandiford@linaro.org>
4760
4761         PR tree-optimization/81136
4762         * tree-vectorizer.h: Include tree-hash-traits.h.
4763         (vec_base_alignments): New typedef.
4764         (vec_info): Add a base_alignments field.
4765         (vect_record_base_alignments): Declare.
4766         * tree-data-ref.h (data_reference): Add an is_conditional_in_stmt
4767         field.
4768         (DR_IS_CONDITIONAL_IN_STMT): New macro.
4769         (create_data_ref): Add an is_conditional_in_stmt argument.
4770         * tree-data-ref.c (create_data_ref): Likewise.  Use it to initialize
4771         the is_conditional_in_stmt field.
4772         (data_ref_loc): Add an is_conditional_in_stmt field.
4773         (get_references_in_stmt): Set the is_conditional_in_stmt field.
4774         (find_data_references_in_stmt): Update call to create_data_ref.
4775         (graphite_find_data_references_in_stmt): Likewise.
4776         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Likewise.
4777         * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
4778         (vect_record_base_alignment): New function.
4779         (vect_record_base_alignments): Likewise.
4780         (vect_compute_data_ref_alignment): Adjust base_addr and aligned_to
4781         for nested statements even if we fail to compute a misalignment.
4782         Use pooled base alignments for unconditional references.
4783         (vect_find_same_alignment_drs): Compare base addresses instead
4784         of base objects.
4785         (vect_analyze_data_refs_alignment): Call vect_record_base_alignments.
4786         * tree-vect-slp.c (vect_slp_analyze_bb_1): Likewise.
4787
4788 2017-08-04  Richard Sandiford  <richard.sandiford@linaro.org>
4789
4790         * tree-vectorizer.h (vec_info): Add a constructor and destructor.
4791         Add an explicit name for the enum.  Use auto_vec for slp_instances
4792         and grouped_stores.
4793         (_loop_vec_info): Add a constructor and destructor.  Use auto_vec
4794         for all vectors.
4795         (_bb_vec_info): Add a constructor and destructor.
4796         (vinfo_for_stmt): Return NULL for uids of -1 as well.
4797         (destroy_loop_vec_info): Delete.
4798         (vect_destroy_datarefs): Likewise.
4799         * tree-vectorizer.c (vect_destroy_datarefs): Delete.
4800         (vec_info::vec_info): New function.
4801         (vec_info::~vec_info): Likewise.
4802         (vectorize_loops): Use delete instead of destroy_loop_vec_info.
4803         * tree-parloops.c (gather_scalar_reductions): Use delete instead of
4804         destroy_loop_vec_info.
4805         * tree-vect-loop.c (new_loop_vec_info): Replace with...
4806         (_loop_vec_info::_loop_vec_info): ...this.
4807         (destroy_loop_vec_info): Replace with...
4808         (_loop_vec_info::~_loop_vec_info): ...this.  Unconditionally delete
4809         the stmt_vec_infos.  Leave handling of vec_info information to its
4810         destructor.  Remove explicit vector releases.
4811         (vect_analyze_loop_form): Use new instead of new_loop_vec_info.
4812         (vect_analyze_loop): Use delete instead of destroy_loop_vec_info.
4813         * tree-vect-slp.c (new_bb_vec_info): Replace with...
4814         (_bb_vec_info::_bb_vec_info): ...this.  Don't reserve space in
4815         BB_VINFO_GROUPED_STORES or BB_VINFO_SLP_INSTANCES.
4816         (destroy_bb_vec_info): Replace with...
4817         (_bb_vec_info::~_bb_vec_info): ...this.  Leave handling of vec_info
4818         information to its destructor.
4819         (vect_slp_analyze_bb_1): Use new and delete instead of
4820         new_bb_vec_info and destroy_bb_vec_info.
4821         (vect_slp_bb): Replace 2 calls to destroy_bb_vec_info with a
4822         single delete.
4823
4824 2017-08-04  Richard Sandiford  <richard.sandiford@linaro.org>
4825
4826         * tree-data-ref.h (subscript): Add access_fn field.
4827         (data_dependence_relation): Add could_be_independent_p.
4828         (SUB_ACCESS_FN, DDR_COULD_BE_INDEPENDENT_P): New macros.
4829         (same_access_functions): Move to tree-data-ref.c.
4830         * tree-data-ref.c (ref_contains_union_access_p): New function.
4831         (access_fn_component_p): Likewise.
4832         (access_fn_components_comparable_p): Likewise.
4833         (dr_analyze_indices): Add a reference to access_fn_component_p.
4834         (dump_data_dependence_relation): Use SUB_ACCESS_FN instead of
4835         DR_ACCESS_FN.
4836         (constant_access_functions): Likewise.
4837         (add_other_self_distances): Likewise.
4838         (same_access_functions): Likewise.  (Moved from tree-data-ref.h.)
4839         (initialize_data_dependence_relation): Use XCNEW and remove
4840         explicit zeroing of DDR_REVERSED_P.  Look for a subsequence
4841         of access functions that have the same type.  Allow the
4842         subsequence to end with different bases in some circumstances.
4843         Record the chosen access functions in SUB_ACCESS_FN.
4844         (build_classic_dist_vector_1): Replace ddr_a and ddr_b with
4845         a_index and b_index.  Use SUB_ACCESS_FN instead of DR_ACCESS_FN.
4846         (subscript_dependence_tester_1): Likewise dra and drb.
4847         (build_classic_dist_vector): Update calls accordingly.
4848         (subscript_dependence_tester): Likewise.
4849         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Check
4850         DDR_COULD_BE_INDEPENDENT_P.
4851         * tree-vectorizer.h (LOOP_REQUIRES_VERSIONING_FOR_ALIAS): Test
4852         comp_alias_ddrs instead of may_alias_ddrs.
4853         * tree-vect-data-refs.c (vect_analyze_possibly_independent_ddr):
4854         New function.
4855         (vect_analyze_data_ref_dependence): Use it if
4856         DDR_COULD_BE_INDEPENDENT_P, but fall back to using the recorded
4857         distance vectors if that fails.
4858         (dependence_distance_ge_vf): New function.
4859         (vect_prune_runtime_alias_test_list): Use it.  Don't clear
4860         LOOP_VINFO_MAY_ALIAS_DDRS.
4861
4862 2017-08-04  Richard Biener  <rguenther@suse.de>
4863
4864         PR middle-end/81705
4865         * fold-const.c (fold_binary_loc): Properly restrict
4866         minus_var0 && minus_var1 case when associating undefined overflow
4867         entities.
4868
4869 2017-08-04  Tom de Vries  <tom@codesourcery.com>
4870
4871         * omp-simd-clone.c (simd_clone_adjust): Add missing edge probability.
4872
4873 2017-08-03  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4874
4875         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
4876         Don't start diagnostic messages with a capital letter.
4877         * config/rs6000/rs6000.c (rs6000_option_override_internal):
4878         Likewise.
4879         (rs6000_invalid_builtin): Likewise.
4880         (rs6000_trampoline_init): Likewise.
4881
4882 2017-08-03  Jakub Jelinek  <jakub@redhat.com>
4883
4884         PR target/81621
4885         * bb-reorder.c (pass_partition_blocks::execute): Return TODO_df_finish
4886         after setting changeable df flags.
4887
4888 2017-08-03  Richard Biener  <rguenther@suse.de>
4889
4890         * tree-ssa-reassoc.c (should_break_up_subtract): Also break
4891         up if the use is in USE - X.
4892
4893 2017-08-03  Alexander Monakov  <amonakov@ispras.ru>
4894
4895         * toplev.c (dumpfile.h): New include.
4896         (internal_error_reentered): New static function.  Use it...
4897         (internal_error_function): ...here to handle reentered internal_error.
4898
4899 2017-08-03  Richard Biener  <rguenther@suse.de>
4900
4901         PR middle-end/81148
4902         * fold-const.c (split_tree): Add minus_var and minus_con
4903         arguments, remove unused loc arg.  Never generate NEGATE_EXPRs
4904         here but always use minus_*.
4905         (associate_trees): Assert we never associate with MINUS_EXPR
4906         and NULL first operand.  Do not recurse for PLUS_EXPR operands
4907         when associating as MINUS_EXPR either.
4908         (fold_binary_loc): Track minus_var and minus_con.
4909
4910 2017-08-03  Tom de Vries  <tom@codesourcery.com>
4911
4912         PR lto/81430
4913         * tree-streamer-in.c (lto_input_ts_function_decl_tree_pointers): If
4914         ACCEL_COMPILER, apply finish_options on
4915         DECL_FUNCTION_SPECIFIC_OPTIMIZATION.
4916
4917 2017-08-03  Tom de Vries  <tom@codesourcery.com>
4918
4919         PR target/81662
4920         * config/nvptx/nvptx.c (nvptx_option_override): Emit sorry if
4921         function_entry_patch_area_size > 0.
4922
4923 2017-08-03  Jakub Jelinek  <jakub@redhat.com>
4924
4925         PR driver/81650
4926         * calls.c (alloc_max_size): Use HOST_WIDE_INT_UC (10??)
4927         instead of 10??LU, perform unit multiplication in wide_int,
4928         don't change alloc_object_size_limit if the limit is larger
4929         than SSIZE_MAX.
4930
4931         PR tree-optimization/81655
4932         PR tree-optimization/81588
4933         * tree-ssa-reassoc.c (optimize_range_tests_var_bound): Handle also
4934         the case when ranges[i].low and high are 1 for unsigned type with
4935         precision 1.
4936
4937         PR middle-end/81052
4938         * omp-low.c (diagnose_sb_0): Handle flag_openmp_simd like flag_openmp.
4939         (pass_diagnose_omp_blocks::gate): Enable also for flag_openmp_simd.
4940
4941 2017-08-03  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
4942
4943         * tree-vrp.h: Add include guard.
4944
4945 2017-08-02  Uros Bizjak  <ubizjak@gmail.com>
4946
4947         PR target/81644
4948         * config/i386/i386.md (unspecv): Add UNSPECV_UD2.
4949         (ud2): New insn pattern.
4950         * config/i386/i386.c (ix86_expand_epilogue):
4951         For naked functions, generate ud2 instead of trap insn.
4952
4953 2017-08-02  Marek Polacek  <polacek@redhat.com>
4954
4955         PR other/81667
4956         * alloc-pool.h (base_pool_allocator): Initialize m_elt_size.
4957
4958 2017-08-02  Tom de Vries  <tom@codesourcery.com>
4959             Cesar Philippidis  <cesar@codesourcery.com>
4960
4961         * config/nvptx/nvptx.c (nvptx_lockless_update, nvptx_lockfull_update):
4962         Add missing edge probabilities.
4963
4964 2017-08-02  Tamar Christina  <tamar.christina@arm.com>
4965
4966         * config/aarch64/aarch64.c (aarch64_reinterpret_float_as_int):
4967         Correct endianness.
4968
4969 2017-08-02  Jakub Jelinek  <jakub@redhat.com>
4970
4971         PR middle-end/79499
4972         * function.c (thread_prologue_and_epilogue_insns): Determine blocks
4973         for find_many_sub_basic_blocks bitmap by looking up BLOCK_FOR_INSN
4974         of first NONDEBUG_INSN_P in each of the split_prologue_seq and
4975         prologue_seq sequences - if any.
4976
4977 2017-08-02  Richard Biener  <rguenther@suse.de>
4978
4979         * tree-vect-stmts.c (vectorizable_store): Perform vector extracts
4980         via vectors if supported, integer extracts via punning if supported
4981         or otherwise vector extracts.
4982
4983 2017-08-02  Richard Biener  <rguenther@suse.de>
4984
4985         * tree-ssa-pre.c (bitmap_insert_into_set_1): Remove and inline
4986         into ...
4987         (bitmap_insert_into_set): ... this.
4988
4989 2017-08-02  Richard Biener  <rguenther@suse.de>
4990
4991         PR tree-optimization/81633
4992         Revert
4993         2015-08-17  Alan Hayward  <alan.hayward@arm.com>
4994
4995         PR tree-optimization/71752
4996         * tree-vect-slp.c (vect_get_slp_defs): Handle null operands.
4997
4998 2017-08-01  Daniel Santos  <daniel.santos@pobox.com>
4999
5000         * config/i386/i386.h (ix86_frame::outlined_save_offset): Remove field.
5001         (machine_function::call_ms2sysv_pad_out): Remove field.
5002         * config/i386/i386.c (xlogue_layout::get_stack_space_used): Modify.
5003         (ix86_compute_frame_layout): Likewise.
5004
5005 2017-08-01  H.J. Lu  <hongjiu.lu@intel.com>
5006
5007         PR target/81654
5008         * config/i386/i386.c (ix86_set_func_type): Disallow naked
5009         attribute with interrupt attribute.
5010
5011 2017-08-01  Andrew Pinski  <apinski@cavium.com>
5012
5013         * tree-ssa-scopedtables.c (hashable_expr_equal_p): Check
5014         BIT_INSERT_EXPR's operand 1
5015         to see if the types precision matches.
5016
5017 2017-08-01  Martin Liska  <mliska@suse.cz>
5018
5019         PR middle-end/70140
5020         * builtins.c (expand_builtin_memcpy_args): Remove.
5021         (expand_builtin_memcpy): Call newly added function
5022         expand_builtin_memory_copy_args.
5023         (expand_builtin_memcpy_with_bounds): Likewise.
5024         (expand_builtin_mempcpy): Remove last argument.
5025         (expand_builtin_mempcpy_with_bounds): Likewise.
5026         (expand_builtin_memory_copy_args): New function created from
5027         expand_builtin_mempcpy_args with small modifications.
5028         (expand_builtin_mempcpy_args): Remove.
5029         (expand_builtin_stpcpy): Remove unused argument.
5030         (expand_builtin): Likewise.
5031         (expand_builtin_with_bounds): Likewise.
5032
5033 2017-08-01  Martin Liska  <mliska@suse.cz>
5034
5035         Revert r250771
5036         Make mempcpy more optimal (PR middle-end/70140).
5037
5038 2017-08-01  Jakub Jelinek  <jakub@redhat.com>
5039
5040         PR target/81622
5041         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): For
5042         __builtin_vec_cmpne verify both arguments are compatible vectors
5043         before looking at TYPE_MODE on the element type.  For __builtin_vec_ld
5044         verify arg1_type is a pointer or array type.  For __builtin_vec_st,
5045         move computation of aligned to after checking the argument types.
5046         Formatting fixes.
5047
5048         PR target/80846
5049         * config/rs6000/vsx.md (vextract_fp_from_shorth,
5050         vextract_fp_from_shortl): Add element mode after mode in gen_vec_init*
5051         calls.
5052
5053 2017-08-01  Jerome Lambourg  <lambourg@adacore.com>
5054             Doug Rupp  <rupp@adacore.com>
5055             Olivier Hainque  <hainque@adacore.com>
5056
5057         * config.gcc (arm-wrs-vxworks*): Rework to handle arm-wrs-vxworks7 as
5058         well as arm-wrs-vxworks. Update target_cpu_name from arm6 (arch v3) to
5059         arm8 (arch v4).
5060         * config/arm/vxworks.h (MAYBE_TARGET_BPABI_CPP_BUILTINS): New, helper
5061         for TARGET_OS_CPP_BUILTIN.
5062         (TARGET_OS_CPP_BUILTIN): Invoke MAYBE_TARGET_BPABI_CPP_BUILTINS(),
5063         refine CPU definitions for arm_arch5 and add those for arm_arch6 and
5064         arm_arch7.
5065         (MAYBE_ASM_ABI_SPEC): New, helper for SUBTARGET_EXTRA_ASM_SPEC,
5066         passing required abi options to the assembler for EABI configurations.
5067         (EXTRA_CC1_SPEC): New macro, to help prevent the implicit production
5068         of .text.hot and .text.unlikely sections for kernel modules when
5069         using ARM style exceptions.
5070         (CC1_SPEC): Remove obsolete attempt at mimicking Diab toolchain
5071         options. Add EXTRA_CC1_SPEC.
5072         (VXWORKS_ENDIAN_SPEC): Adjust comment and remove handling of Diab
5073         toolchain options.
5074         (DWARF2_UNWIND_INFO): Redefine to handle the pre/post VxWorks 7
5075         transition.
5076         (ARM_TARGET2_DWARF_FORMAT): Define.
5077         * config/arm/t-vxworks: Adjust multilib control to removal of the
5078         Diab command line options.
5079
5080 2017-08-01  Martin Liska  <mliska@suse.cz>
5081
5082         PR gcov-profile/81561
5083         * gcov.c (unblock): Make unblocking safe as we need to preserve
5084         index correspondence of blocks and block_lists.
5085
5086 2017-08-01  Richard Biener  <rguenther@suse.de>
5087
5088         PR tree-optimization/81181
5089         * tree-ssa-pre.c (compute_antic_aux): Defer clean() to ...
5090         (compute_antic): ... end of iteration here.
5091
5092 2017-08-01  James Greenhalgh  <james.greenhalgh@arm.com>
5093
5094         * common.opt (ftree-vectorize): No longer set flag_tree_vectorize.
5095         (ftree-loop-vectorize): Set as EnabledBy ftree-vectorize.
5096         (ftree-slp-vectorize): Likewise.
5097         * omp-expand (expand_omp_simd): Remove flag_tree_vectorize, as it
5098         can no longer be set independent of flag_tree_loop_vectorize.
5099         * omp-general.c (emp_max_vf): Likewise.
5100         * opts.c (enable_fdo_optimizations): Remove references to
5101         flag_tree_vectorize, these are now implicit.
5102         (common_handle_option): Remove handling for OPT_ftree_vectorize,
5103         and leave it for the options machinery.
5104
5105 2017-08-01  Martin Liska  <mliska@suse.cz>
5106
5107         PR middle-end/70140
5108         * builtins.c (expand_builtin_memcpy_args): Remove.
5109         (expand_builtin_memcpy): Call newly added function
5110         expand_builtin_memory_copy_args.
5111         (expand_builtin_memcpy_with_bounds): Likewise.
5112         (expand_builtin_mempcpy): Remove last argument.
5113         (expand_builtin_mempcpy_with_bounds): Likewise.
5114         (expand_builtin_memory_copy_args): New function created from
5115         expand_builtin_mempcpy_args with small modifications.
5116         (expand_builtin_mempcpy_args): Remove.
5117         (expand_builtin_stpcpy): Remove unused argument.
5118         (expand_builtin): Likewise.
5119         (expand_builtin_with_bounds): Likewise.
5120
5121 2017-08-01  Uros Bizjak  <ubizjak@gmail.com>
5122
5123         PR target/81641
5124         * config/i386/i386.c (ix86_print_operand_address_as): For -masm=intel
5125         print "ds:" only for immediates in generic address space.
5126
5127 2017-08-01  Uros Bizjak  <ubizjak@gmail.com>
5128
5129         PR target/81639
5130         * config/i386/i386.c (ix86_funciton_naked): New prototype.
5131         (ix86_function_ok_for_sibcall): Return false for naked functions.
5132
5133 2017-08-01  Richard Biener  <rguenther@suse.de>
5134
5135         * tree-ssa-pre.c (print_pre_expr): Handle NULL expr.
5136         (compute_antic): Seed worklist with exit block predecessors.
5137         * cfganal.c (dfs_find_deadend): For a cycle return the source
5138         of the edge closing it.
5139
5140 2017-08-01  Tamar Christina  <tamar.christina@arm.com>
5141
5142         * config/aarch64/aarch64.c
5143         (aarch64_can_const_movi_rtx_p): Move 0 check.
5144
5145 2017-08-01  Bin Cheng  <bin.cheng@arm.com>
5146
5147         * tree.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Delete.
5148         * fold-const.c (fold_comparison, fold_binary_loc): Delete use of
5149         above macro.
5150         * match.pd: Ditto in address comparison pattern.
5151
5152 2017-08-01  Bin Cheng  <bin.cheng@arm.com>
5153
5154         PR tree-optimization/81627
5155         * tree-predcom.c (prepare_finalizers): Always rewrite into loop
5156         closed ssa form for store-store chain.
5157
5158 2017-08-01  Bin Cheng  <bin.cheng@arm.com>
5159
5160         PR tree-optimization/81620
5161         * tree-predcom.c (add_ref_to_chain): Don't set has_max_use_after
5162         for store-store chain.
5163
5164 2017-08-01  Jakub Jelinek  <jakub@redhat.com>
5165
5166         PR tree-optimization/81588
5167         * tree-ssa-reassoc.c (optimize_range_tests_var_bound): If
5168         ranges[i].in_p, invert comparison code ccode.  For >/>=,
5169         swap rhs1 and rhs2 and comparison code unconditionally,
5170         for </<= don't do that.  Don't swap rhs1/rhs2 again if
5171         ranges[i].in_p, instead invert comparison code ccode if
5172         opcode or oe->rank is BIT_IOR_EXPR.
5173
5174         PR target/80846
5175         * optabs.def (vec_extract_optab, vec_init_optab): Change from
5176         a direct optab to conversion optab.
5177         * optabs.c (expand_vector_broadcast): Use convert_optab_handler
5178         with GET_MODE_INNER as last argument instead of optab_handler.
5179         * expmed.c (extract_bit_field_1): Likewise.  Use vector from
5180         vector extraction if possible and optab is available.
5181         * expr.c (store_constructor): Use convert_optab_handler instead
5182         of optab_handler.  Use vector initialization from smaller
5183         vectors if possible and optab is available.
5184         * tree-vect-stmts.c (vectorizable_load): Likewise.
5185         * doc/md.texi (vec_extract, vec_init): Document that the optabs
5186         now have two modes.
5187         * config/i386/i386.c (ix86_expand_vector_init): Handle expansion
5188         of vec_init from half-sized vectors with the same element mode.
5189         * config/i386/sse.md (ssehalfvecmode): Add V4TI case.
5190         (ssehalfvecmodelower, ssescalarmodelower): New mode attributes.
5191         (reduc_plus_scal_v8df, reduc_plus_scal_v4df, reduc_plus_scal_v2df,
5192         reduc_plus_scal_v16sf, reduc_plus_scal_v8sf, reduc_plus_scal_v4sf,
5193         reduc_<code>_scal_<mode>, reduc_umin_scal_v8hi): Add element mode
5194         after mode in gen_vec_extract* calls.
5195         (vec_extract<mode>): Renamed to ...
5196         (vec_extract<mode><ssescalarmodelower>): ... this.
5197         (vec_extract<mode><ssehalfvecmodelower>): New expander.
5198         (rotl<mode>3, rotr<mode>3, <shift_insn><mode>3, ashrv2di3): Add
5199         element mode after mode in gen_vec_init* calls.
5200         (VEC_INIT_HALF_MODE): New mode iterator.
5201         (vec_init<mode>): Renamed to ...
5202         (vec_init<mode><ssescalarmodelower>): ... this.
5203         (vec_init<mode><ssehalfvecmodelower>): New expander.
5204         * config/i386/mmx.md (vec_extractv2sf): Renamed to ...
5205         (vec_extractv2sfsf): ... this.
5206         (vec_initv2sf): Renamed to ...
5207         (vec_initv2sfsf): ... this.
5208         (vec_extractv2si): Renamed to ...
5209         (vec_extractv2sisi): ... this.
5210         (vec_initv2si): Renamed to ...
5211         (vec_initv2sisi): ... this.
5212         (vec_extractv4hi): Renamed to ...
5213         (vec_extractv4hihi): ... this.
5214         (vec_initv4hi): Renamed to ...
5215         (vec_initv4hihi): ... this.
5216         (vec_extractv8qi): Renamed to ...
5217         (vec_extractv8qiqi): ... this.
5218         (vec_initv8qi): Renamed to ...
5219         (vec_initv8qiqi): ... this.
5220         * config/rs6000/vector.md (VEC_base_l): New mode attribute.
5221         (vec_init<mode>): Renamed to ...
5222         (vec_init<mode><VEC_base_l>): ... this.
5223         (vec_extract<mode>): Renamed to ...
5224         (vec_extract<mode><VEC_base_l>): ... this.
5225         * config/rs6000/paired.md (vec_initv2sf): Renamed to ...
5226         (vec_initv2sfsf): ... this.
5227         * config/rs6000/altivec.md (splitter, altivec_copysign_v4sf3,
5228         vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi,
5229         vec_unpacku_lo_v8hi, mulv16qi3, altivec_vreve<mode>2): Add
5230         element mode after mode in gen_vec_init* calls.
5231         * config/aarch64/aarch64-simd.md (vec_init<mode>): Renamed to ...
5232         (vec_init<mode><Vel>): ... this.
5233         (vec_extract<mode>): Renamed to ...
5234         (vec_extract<mode><Vel>): ... this.
5235         * config/aarch64/iterators.md (Vel): New mode attribute.
5236         * config/s390/s390.c (s390_expand_vec_strlen, s390_expand_vec_movstr):
5237         Add element mode after mode in gen_vec_extract* calls.
5238         * config/s390/vector.md (non_vec_l): New mode attribute.
5239         (vec_extract<mode>): Renamed to ...
5240         (vec_extract<mode><non_vec_l>): ... this.
5241         (vec_init<mode>): Renamed to ...
5242         (vec_init<mode><non_vec_l>): ... this.
5243         * config/s390/s390-builtins.def (s390_vlgvb, s390_vlgvh, s390_vlgvf,
5244         s390_vlgvf_flt, s390_vlgvg, s390_vlgvg_dbl): Add element mode after
5245         vec_extract mode.
5246         * config/arm/iterators.md (V_elem_l): New mode attribute.
5247         * config/arm/neon.md (vec_extract<mode>): Renamed to ...
5248         (vec_extract<mode><V_elem_l>): ... this.
5249         (vec_extractv2di): Renamed to ...
5250         (vec_extractv2didi): ... this.
5251         (vec_init<mode>): Renamed to ...
5252         (vec_init<mode><V_elem_l>): ... this.
5253         (reduc_plus_scal_<mode>, reduc_plus_scal_v2di, reduc_smin_scal_<mode>,
5254         reduc_smax_scal_<mode>, reduc_umin_scal_<mode>,
5255         reduc_umax_scal_<mode>, neon_vget_lane<mode>, neon_vget_laneu<mode>):
5256         Add element mode after gen_vec_extract* calls.
5257         * config/mips/mips-msa.md (vec_init<mode>): Renamed to ...
5258         (vec_init<mode><unitmode>): ... this.
5259         (vec_extract<mode>): Renamed to ...
5260         (vec_extract<mode><unitmode>): ... this.
5261         * config/mips/loongson.md (vec_init<mode>): Renamed to ...
5262         (vec_init<mode><unitmode>): ... this.
5263         * config/mips/mips-ps-3d.md (vec_initv2sf): Renamed to ...
5264         (vec_initv2sfsf): ... this.
5265         (vec_extractv2sf): Renamed to ...
5266         (vec_extractv2sfsf): ... this.
5267         (reduc_plus_scal_v2sf, reduc_smin_scal_v2sf, reduc_smax_scal_v2sf):
5268         Add element mode after gen_vec_extract* calls.
5269         * config/mips/mips.md (unitmode): New mode iterator.
5270         * config/spu/spu.c (spu_expand_prologue, spu_allocate_stack,
5271         spu_builtin_extract): Add element mode after gen_vec_extract* calls.
5272         * config/spu/spu.md (inner_l): New mode attribute.
5273         (vec_init<mode>): Renamed to ...
5274         (vec_init<mode><inner_l>): ... this.
5275         (vec_extract<mode>): Renamed to ...
5276         (vec_extract<mode><inner_l>): ... this.
5277         * config/sparc/sparc.md (veltmode): New mode iterator.
5278         (vec_init<VMALL:mode>): Renamed to ...
5279         (vec_init<VMALL:mode><VMALL:veltmode>): ... this.
5280         * config/ia64/vect.md (vec_initv2si): Renamed to ...
5281         (vec_initv2sisi): ... this.
5282         (vec_initv2sf): Renamed to ...
5283         (vec_initv2sfsf): ... this.
5284         (vec_extractv2sf): Renamed to ...
5285         (vec_extractv2sfsf): ... this.
5286         * config/powerpcspe/vector.md (VEC_base_l): New mode attribute.
5287         (vec_init<mode>): Renamed to ...
5288         (vec_init<mode><VEC_base_l>): ... this.
5289         (vec_extract<mode>): Renamed to ...
5290         (vec_extract<mode><VEC_base_l>): ... this.
5291         * config/powerpcspe/paired.md (vec_initv2sf): Renamed to ...
5292         (vec_initv2sfsf): ... this.
5293         * config/powerpcspe/altivec.md (splitter, altivec_copysign_v4sf3,
5294         vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi,
5295         vec_unpacku_lo_v8hi, mulv16qi3): Add element mode after mode in
5296         gen_vec_init* calls.
5297
5298 2017-08-01  Richard Biener  <rguenther@suse.de>
5299
5300         PR tree-optimization/81297
5301         * tree-vrp.c (get_single_symbol): Remove assert, instead drop
5302         TREE_OVERFLOW from INTEGER_CSTs.
5303
5304 2017-07-31  Segher Boessenkool  <segher@kernel.crashing.org>
5305
5306         * config/rs6000/rs6000.c (enum rs6000_reg_type): Delete trailing comma.
5307
5308 2017-07-31  Carl Love  <cel@us.ibm.com>
5309
5310         * config/rs6000/rs6000-c: Add support for built-in functions
5311         vector signed char vec_xl_be (signed long long, signed char *);
5312         vector unsigned char vec_xl_be (signed long long, unsigned char *);
5313         vector signed int vec_xl_be (signed long long, signed int *);
5314         vector unsigned int vec_xl_be (signed long long, unsigned int *);
5315         vector signed long long vec_xl_be (signed long long, signed long long *);
5316         vector unsigned long long vec_xl_be (signed long long, unsigned long long *);
5317         vector signed short vec_xl_be (signed long long, signed short *);
5318         vector unsigned short vec_xl_be (signed long long, unsigned short *);
5319         vector double vec_xl_be (signed long long, double *);
5320         vector float vec_xl_be (signed long long, float *);
5321         * config/rs6000/altivec.h (vec_xl_be): Add #define.
5322         * config/rs6000/rs6000-builtin.def (XL_BE_V16QI, XL_BE_V8HI, XL_BE_V4SI)
5323         XL_BE_V2DI, XL_BE_V4SF, XL_BE_V2DF, XL_BE): Add definitions
5324         for the builtins.
5325         * config/rs6000/rs6000.c (altivec_expand_xl_be_builtin): Add function.
5326         (altivec_expand_builtin): Add switch statement to call
5327         altivec_expand_xl_be for each builtin.
5328         (altivec_init_builtins): Add def_builtin for _builtin_vsx_le_be_v8hi,
5329         __builtin_vsx_le_be_v4si, __builtin_vsx_le_be_v2di,
5330         __builtin_vsx_le_be_v4sf, __builtin_vsx_le_be_v2df,
5331         __builtin_vsx_le_be_v16qi.
5332         * doc/extend.texi: Update the built-in documentation file for the
5333         new built-in functions.
5334
5335 2017-07-31  Uros Bizjak  <ubizjak@gmail.com>
5336
5337         PR target/25967
5338         * config/i386/i386.c (ix86_allocate_stack_slots_for_args):
5339         New function.
5340         (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Define.
5341
5342 2017-07-31  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5343
5344         * config.gcc: Add z14.
5345         * config/s390/driver-native.c (s390_host_detect_local_cpu): Add
5346         CPU model numbers for z13s and z14.
5347         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Replace
5348         arch12 with z14.
5349         * config/s390/s390-opts.h (enum processor_type): Rename
5350         PROCESSOR_ARCH12 to PROCESSOR_3906_Z14.
5351         * config/s390/s390.c (processor_table): Add field for CPU name to
5352         be passed to Binutils.
5353         (s390_asm_output_machine_for_arch): Use the new field in
5354         processor_table for Binutils.
5355         (s390_expand_builtin): Replace arch12 with z14.
5356         (s390_issue_rate): Rename PROCESSOR_ARCH12 to PROCESSOR_3906_Z14.
5357         (s390_get_sched_attrmask): Likewise.
5358         (s390_get_unit_mask): Likewise.
5359         * config/s390/s390.opt: Add z14 to processor_type enum.
5360
5361 2017-07-31  Martin Jambor  <mjambor@suse.cz>
5362
5363         PR hsa/81477
5364         * ipa-fnsummary.c (ipa_fn_summary_generate): Set versionable
5365         regardless of optimization level.
5366
5367 2017-07-31  Jan Hubicka <hubicka@ucw.cz>
5368             Martin Liska  <mliska@suse.cz>
5369
5370         * predict.def: Remove old comment and adjust probability.
5371         * gimplify.c (should_warn_for_implicit_fallthrough): Ignore
5372         PREDICT statements.
5373
5374 2017-07-31  Uros Bizjak  <ubizjak@gmail.com>
5375
5376         PR target/25967
5377         * config/i386/i386.c (ix86_function_naked): New function.
5378         (ix86_can_use_return_insn_p): Return false for naked functions.
5379         (ix86_expand_prologue): Skip prologue for naked functions.
5380         (ix86_expand_epilogue): Skip epilogue for naked functions
5381         and emit trap instruction.
5382         (ix86_warn_func_return): New function.
5383         (ix86_attribute_table): Add "naked" attribute specification.
5384         (TARGET_WARN_FUNC_RETURN): Define.
5385         * doc/extend.texi (x86 Function Attributes) <naked>: Document it.
5386
5387 2017-07-31  Martin Liska  <mliska@suse.cz>
5388
5389         * gimple-pretty-print.c (dump_gimple_label): Never dump BB info.
5390         (dump_gimple_bb_header): Always dump BB info.
5391         (pp_cfg_jump): Do not append info about BB when dumping a jump.
5392
5393 2017-07-31  Martin Liska  <mliska@suse.cz>
5394
5395         PR sanitize/81530
5396         * convert.c (convert_to_integer_1): Guard condition with flag_sanitize_p
5397         also with current_function_decl non-null equality.
5398
5399 2017-07-31  Jakub Jelinek  <jakub@redhat.com>
5400
5401         PR sanitizer/81604
5402         * ubsan.c (ubsan_type_descriptor): For UBSAN_PRINT_ARRAY don't
5403         change type to the element type, instead add eltype variable and
5404         use it where we are interested in the element type.
5405
5406         PR tree-optimization/81603
5407         * ipa-polymorphic-call.c
5408         (ipa_polymorphic_call_context::ipa_polymorphic_call_context): Perform
5409         offset arithmetic in offset_int, bail out if the resulting bit offset
5410         doesn't fit into shwi.
5411
5412 2017-07-31  Martin Liska  <mliska@suse.cz>
5413
5414         * gimplify.c (mostly_copy_tree_r): Remove Java specific hunk.
5415         (gimplify_save_expr): Fix comment.
5416
5417 2017-07-30  H.J. Lu  <hongjiu.lu@intel.com>
5418
5419         PR target/79793
5420         * config/i386/i386.c (ix86_function_arg): Update arguments for
5421         exception handler.
5422         (ix86_compute_frame_layout): Set the initial stack offset to
5423         INCOMING_FRAME_SP_OFFSET.  Update red-zone offset with
5424         INCOMING_FRAME_SP_OFFSET.
5425         (ix86_expand_epilogue): Don't pop the 'ERROR_CODE' off the
5426         stack before exception handler returns.
5427         * config/i386/i386.h (INCOMING_FRAME_SP_OFFSET): Add the
5428         the 'ERROR_CODE' for exception handler.
5429
5430 2017-07-30  Uros Bizjak  <ubizjak@gmail.com>
5431
5432         * config/i386/i386.h (ASM_PRINTF_EXTENSIONS): New macro.
5433         (ASM_OUTPUT_REG_PUSH): Rewrite with new operand modifiers.
5434         (ASM_OUTPUT_REG_POP): Ditto.
5435         * config/i386/i386.c (ix86_asm_output_function_label): Use fputs
5436         instead of asm_fprintf to output pure string.
5437
5438 2017-07-29  Jakub Jelinek  <jakub@redhat.com>
5439
5440         * debug.h (struct gcc_debug_hooks): Add IMPLICIT argument
5441         to imported_module_or_decl hook.
5442         (debug_nothing_tree_tree_tree_bool): Remove.
5443         (debug_nothing_tree_tree_tree_bool_bool): New declaration.
5444         * debug.c (do_nothing_debug_hooks): Use
5445         debug_nothing_tree_tree_tree_bool_bool instead of
5446         debug_nothing_tree_tree_tree_bool.
5447         * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
5448         * dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Likewise.
5449         * sdbout.c (sdb_debug_hooks): Likewise.
5450         * dwarf2out.c (dwarf2_lineno_debug_hooks): Likewise.
5451         (gen_namespace_die): Add DW_AT_export_symbols attribute if
5452         langhook wants it.
5453         (dwarf2out_imported_module_or_decl): Add IMPLICIT argument,
5454         if true, -gdwarf-5 and decl will have DW_AT_export_symbols
5455         attribute, don't add anything.
5456
5457 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5458
5459         * fold-const.c (fold_build1_stat_loc): Remove _stat from name.
5460         (fold_build2_stat_loc): Likewise.
5461         (fold_build3_stat_loc): Likewise.
5462         * fold-const.h (fold_build1, fold_build2, fold_build3): Adjust.
5463         (fold_build1_loc): Remove macro.
5464         (fold_build2_loc): Likewise.
5465         (fold_build3_loc): Likewise.
5466
5467 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5468
5469         * gimple.c (gimple_build_debug_bind_stat): Remove _stat from name.
5470         (gimple_build_debug_bind_source_stat): Likewise.
5471         * gimple.h (gimple_build_debug_bind): Remove macro.
5472         (gimple_build_debug_bind_source): Likewise.
5473
5474 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5475
5476         * bitmap.c (bitmap_alloc): Adjust.
5477         (bitmap_gc_alloc): Likewise.
5478         * bitmap.h (bitmap_initialize_stat): Remove _stat from name.
5479
5480 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5481
5482         * bitmap.c (bitmap_obstack_alloc_stat): Rename to bitmap_alloc.
5483         (bitmap_gc_alloc_stat): Rename to bitmap_gc_alloc.
5484         * bitmap.h (bitmap_obstack_alloc_stat): Adjust prototype.
5485         (bitmap_gc_alloc_stat): Likewise.
5486         (BITMAP_ALLOC, BITMAP_GGC_ALLOC): Adjust.
5487
5488 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5489
5490         * rtl.c (shallow_copy_rtx_stat): Remove _stat from name.
5491         * rtl.h (shallow_copy_rtx): Remove macro.
5492
5493 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5494
5495         * emit-rtl.c (gen_raw_REG): Adjust.
5496         * gengenrtl.c (gendef): Likewise.
5497         * rtl.c (rtx_alloc_stat): Remove _stat from name.
5498         * rtl.h (rtx_alloc): Remove macro.
5499
5500 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5501
5502         * tree.c (build_tree_list_vec_stat): Remove _stat from name.
5503         (build_tree_list_stat): Likewise.
5504         * tree.h (build_tree_list): Remove macro.
5505         (build_tree_list_vec): Likewise.
5506
5507 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5508
5509         * tree.c (make_vector_stat): Remove _stat from name.
5510         (build_vector_stat): Likewise.
5511         * tree.h (make_vector_stat): Remove macro.
5512         (build_vector_stat): Likewise.
5513
5514 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5515
5516         * tree.h (build_var_debug_value): Remove prototype.
5517
5518 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5519
5520         * tree.c (tree_cons_stat): Remove _stat from name.
5521         * tree.h (tree_cons): Remove macro.
5522
5523 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5524
5525         * tree.c (build_vl_exp_stat): Remove _stat from name.
5526         * tree.h (build_vl_exp): Remove macro.
5527
5528 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5529
5530         * tree.c (build_decl_stat): Remove _stat from name.
5531         * tree.h (build_decl): Remove macro.
5532
5533 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5534
5535         * gimple.c (gimple_build_with_ops_stat): Adjust.
5536         (gimple_alloc_stat): Remove _stat from name.
5537         * gimple.h (gimple_alloc): Remove macro.
5538
5539 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5540
5541         * tree.c (make_tree_vec_stat): Remove _stat from name.
5542         (grow_tree_vec_stat): Likewise.
5543         * tree.h (make_tree_vec_stat): Adjust prototype.
5544         (grow_tree_vec_stat): Likewise.
5545         (make_tree_vec): Remove macro.
5546         (grow_tree_vec): Likewise.
5547
5548 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5549
5550         * fold-const.c (fold_build1_stat_loc): Adjust.
5551         (fold_build2_stat_loc): Likewise.
5552         (fold_build3_stat_loc): Likewise.
5553         * tree.c (build0_stat): Remove _stat from name.
5554         (build1_stat): Likewise.
5555         (build2_stat): Likewise.
5556         (build3_stat): Likewise.
5557         (build4_stat): Likewise.
5558         (build5_stat): Likewise.
5559         * tree.h (build1_loc): Remove macro, and rename _stat function
5560         to this.
5561         (build2_loc): Likewise.
5562         (build3_loc): Likewise.
5563         (build4_loc): Likewise.
5564         (build5_loc): Likewise.
5565
5566 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5567
5568         * tree.c (make_int_cst_stat): Remove _stat from name.
5569         * tree.h (make_int_cst_stat): Adjust prototype.
5570         (make_int_cst): Remove macro.
5571
5572 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5573
5574         * tree.c (make_tre_binfo_stat): Remove _stat from name.
5575         * tree.h (make_tree_binfo_stat): Adjust prototype.
5576         (make_tree_binfo): Remove.
5577
5578 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5579
5580         * tree.c (copy_node_stat): Rename to copy_node.
5581         (build_distinct_type_copy): Adjust.
5582         * tree.h (copy_node_stat): Adjust prototype.
5583         (copy_node): Remove macro.
5584
5585 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5586
5587         * tree.c (make_node_stat): rename to make_node.
5588         (build_tree_list_stat): Adjust.
5589         (build0_stat): Likewise.
5590         (build2_stat): Likewise.
5591         (build3_stat): Likewise.
5592         (build4_stat): Likewise.
5593         (build5_stat): Likewise.
5594         (build_decl_stat): Likewise.
5595         * tree.h (make_node_stat): Adjust prototype.
5596         (make_node): remove macro.
5597
5598 2017-07-28  Peter Bergner  <bergner@vnet.ibm.com>
5599
5600         * config/rs6000/ppc-auxv.h (PPC_FEATURE2_DARN): New define.
5601         (PPC_FEATURE2_SCV): Likewise.
5602         * config/rs6000/rs6000.c (cpu_supports_info): Use them.
5603
5604 2017-07-28  Tamar Christina  <tamar.christina@arm.com>
5605
5606         * config/aarch64/aarch64.c
5607         (aarch64_internal_mov_immediate): Add new special pattern.
5608         * config/aarch64/aarch64.md (*movdi_aarch64):
5609         Add reg/32bit const mov case.
5610
5611 2017-07-28  Tamar Christina  <tamar.christina@arm.com>
5612             Richard Sandiford <richard.sandiford@linaro.org>
5613
5614         * config/aarch64/aarch64.md (mov<mode>): Generalize.
5615         (*movhf_aarch64, *movsf_aarch64, *movdf_aarch64):
5616         Add integer and movi cases.
5617         (movi-split-hf-df-sf split, fp16): New.
5618         (enabled): Added TARGET_FP_F16INST.
5619         * config/aarch64/iterators.md (GPF_HF): New.
5620         * config/aarch64/predicates.md (aarch64_reg_or_fp_float): New.
5621
5622 2017-07-28  Tamar Christina  <tamar.christina@arm.com>
5623
5624         * config/aarch64/aarch64.c
5625         (aarch64_simd_container_mode): Add prototype.
5626         (aarch64_expand_mov_immediate): Add HI support.
5627         (aarch64_reinterpret_float_as_int, aarch64_float_const_rtx_p: New.
5628         (aarch64_can_const_movi_rtx_p): New.
5629         (aarch64_preferred_reload_class):
5630         Remove restrictions of using FP registers for certain SIMD operations.
5631         (aarch64_rtx_costs): Added new cost for CONST_DOUBLE moves.
5632         (aarch64_valid_floating_const): Add integer move validation.
5633         (aarch64_simd_imm_scalar_p): Remove.
5634         (aarch64_output_scalar_simd_mov_immediate): Generalize function.
5635         (aarch64_legitimate_constant_p): Expand list of supported cases.
5636         * config/aarch64/aarch64-protos.h
5637         (aarch64_float_const_rtx_p, aarch64_can_const_movi_rtx_p): New.
5638         (aarch64_reinterpret_float_as_int): New.
5639         (aarch64_simd_imm_scalar_p): Remove.
5640         * config/aarch64/constraints.md (Uvi): New.
5641         (Dd): Split into Ds and new Dd.
5642         * config/aarch64/aarch64.md (*movsi_aarch64):
5643         Add SIMD mov case.
5644         (*movdi_aarch64): Add SIMD mov case.
5645
5646 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
5647
5648         * tree-predcom.c: (struct chain): Handle store-store chain in which
5649         stores for elimination only store loop invariant values.
5650         (execute_pred_commoning_chain): Ditto.
5651         (prepare_initializers_chain_store_elim): Ditto.
5652         (prepare_finalizers): Ditto.
5653         (is_inv_store_elimination_chain): New function.
5654         (initialize_root_vars_store_elim_1): New function.
5655
5656 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
5657
5658         * tree-predcom.c: Revise general description of the pass.
5659         (enum chain_type): New enum type for store elimination.
5660         (struct chain): New field supporting store elimination.
5661         (struct component): Ditto.
5662         (dump_chain): Dump store-stores chain.
5663         (release_chain): Release resources.
5664         (split_data_refs_to_components): Compute and create component
5665         contains only stores for elimination.
5666         (get_chain_last_ref_at): New function.
5667         (make_invariant_chain): Initialization.
5668         (make_rooted_chain): Specify chain type in parameter and record it.
5669         (add_looparound_copies): Skip for store-stores chain.
5670         (determine_roots_comp): Compute type of chain and pass it to
5671         make_rooted_chain.
5672         (initialize_root_vars_store_elim_2): New function.
5673         (finalize_eliminated_stores): New function.
5674         (remove_stmt): Handle store for elimination.
5675         (execute_pred_commoning_chain): Execute predictive commoning on
5676         store-store chains.
5677         (determine_unroll_factor): Skip unroll for store-stores chain.
5678         (prepare_initializers_chain_store_elim): New function.
5679         (prepare_initializers_chain): Hanlde store-store chain.
5680         (prepare_finalizers_chain, prepare_finalizers): New function.
5681         (tree_predictive_commoning_loop): Return integer value indicating
5682         if loop is unrolled or lcssa form is corrupted.
5683         (tree_predictive_commoning): Rewrite for lcssa form if necessary.
5684
5685 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
5686
5687         * tree-predcom.c (initialize_root): Delete.
5688         (execute_pred_commoning_chain): Initialize root vars and replace
5689         reference of non-combined chain directly, rather than call above
5690         function.
5691
5692 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
5693
5694         * tree-predcom.c (ref_at_iteration): Add parameter NITERS.  Compute
5695         memory reference to DR at (NITERS + ITERS)-th iteration of loop.
5696
5697 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
5698
5699         * tree-predcom.c (struct chain): New field init_seq.
5700         (release_chain): Release init_seq.
5701         (prepare_initializers_chain): Record intialization stmts in above
5702         field.
5703         (insert_init_seqs): New function.
5704         (tree_predictive_commoning_loop): Call insert_init_seqs.
5705
5706 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
5707
5708         * tree-predcom.c (determine_roots_comp): Skip trivial components.
5709
5710 2017-07-28  Richard Biener  <rguenther@suse.de>
5711
5712         * match.pd: Remove superfluous :c.
5713         * genmatch.c (simplify::id): Add member.
5714         (lower_commutative, lower_opt_convert, lower_cond, lower_for):
5715         Copy id.
5716         (current_id): New global.
5717         (dt_node::parent): Move from ...
5718         (dt_operand::parent): ... here.  Add for_id member.
5719         (is_a_helper <dt_operand *>::test): DT_TRUE is also a dt_operand.
5720         (decision_tree::find_node): Relax order requirement when
5721         merging DT_TRUE nodes to ones inbetween the current simplify
5722         and the one we try to merge with.  Add diagnostic whenever
5723         we need to enforce pattern order by not merging.
5724         (decision_tree::insert): Set current_id.
5725         (decision_tree::print_node): Dump parent node and for_id.
5726         (parser::last_id): Add member.
5727         (parser::push_simplify): Assign unique id.
5728         (parser::parser): Initialize last_id.
5729
5730 2017-07-28  Martin Liska  <mliska@suse.cz>
5731
5732         PR sanitizer/81340
5733         * sanopt.c (sanitize_rewrite_addressable_params): Set VALUE_EXPR after
5734         gimple_build_debug_bind.
5735
5736 2017-07-28  Richard Biener  <rguenther@suse.de>
5737
5738         PR tree-optimization/81502
5739         * match.pd: Add pattern combining BIT_INSERT_EXPR with
5740         BIT_FIELD_REF.
5741         * tree-cfg.c (verify_expr): Verify types of BIT_FIELD_REF
5742         size/pos operands.
5743         (verify_gimple_assign_ternary): Likewise for BIT_INSERT_EXPR pos.
5744         * gimple-fold.c (maybe_canonicalize_mem_ref_addr): Use bitsizetype
5745         for BIT_FIELD_REF args.
5746         * fold-const.c (make_bit_field_ref): Likewise.
5747         * tree-vect-stmts.c (vectorizable_simd_clone_call): Likewise.
5748
5749 2017-07-28  Jakub Jelinek  <jakub@redhat.com>
5750
5751         PR sanitizer/80998
5752         * sanopt.c (pass_sanopt::execute): Handle IFN_UBSAN_PTR.
5753         * tree-ssa-alias.c (call_may_clobber_ref_p_1): Likewise.
5754         * flag-types.h (enum sanitize_code): Add SANITIZER_POINTER_OVERFLOW.
5755         Or it into SANITIZER_UNDEFINED.
5756         * ubsan.c: Include gimple-fold.h and varasm.h.
5757         (ubsan_expand_ptr_ifn): New function.
5758         (instrument_pointer_overflow): New function.
5759         (maybe_instrument_pointer_overflow): New function.
5760         (instrument_object_size): Formatting fix.
5761         (pass_ubsan::execute): Call instrument_pointer_overflow
5762         and maybe_instrument_pointer_overflow.
5763         * internal-fn.c (expand_UBSAN_PTR): New function.
5764         * ubsan.h (ubsan_expand_ptr_ifn): Declare.
5765         * sanitizer.def (__ubsan_handle_pointer_overflow,
5766         __ubsan_handle_pointer_overflow_abort): New builtins.
5767         * tree-ssa-tail-merge.c (merge_stmts_p): Handle IFN_UBSAN_PTR.
5768         * internal-fn.def (UBSAN_PTR): New internal function.
5769         * opts.c (sanitizer_opts): Add pointer-overflow.
5770         * lto-streamer-in.c (input_function): Handle IFN_UBSAN_PTR.
5771         * fold-const.c (build_range_check): Compute pointer range check in
5772         integral type if pointer arithmetics would be needed.  Formatting
5773         fixes.
5774
5775 2017-07-28  Martin Liska  <mliska@suse.cz>
5776
5777         PR sanitizer/81460
5778         * sanopt.c (sanitize_rewrite_addressable_params): Do not rewrite
5779         parameters that are of a variable-length.
5780
5781 2017-07-28  Sebastian Huber  <sebastian.huber@embedded-brains.de>
5782
5783         * config.gcc (powerpc-*-rtems*): Remove rs6000/eabi.h.  Add
5784         rs6000/biarch64.h.
5785         * config/rs6000/rtems.h (ASM_DECLARE_FUNCTION_SIZE): New macro.
5786         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
5787         (CRT_CALL_STATIC_FUNCTION): Likewise.
5788         (ASM_DEFAULT_SPEC): New define.
5789         (ASM_SPEC32): Likewise.
5790         (ASM_SPEC64): Likewise.
5791         (ASM_SPEC_COMMON): Likewise.
5792         (ASM_SPEC): Likewise.
5793         (INVALID_64BIT): Likewise.
5794         (LINK_OS_DEFAULT_SPEC): Likewise.
5795         (LINK_OS_SPEC32): Likewise.
5796         (LINK_OS_SPEC64): Likewise.
5797         (POWERPC_LINUX): Likewise.
5798         (PTRDIFF_TYPE): Likewise.
5799         (RESTORE_FP_PREFIX): Likewise.
5800         (RESTORE_FP_SUFFIX): Likewise.
5801         (SAVE_FP_PREFIX): Likewise.
5802         (SAVE_FP_SUFFIX): Likewise.
5803         (SIZE_TYPE): Likewise.
5804         (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
5805         (TARGET_64BIT): Likewise.
5806         (TARGET_64BIT): Likewise.
5807         (TARGET_AIX): Likewise.
5808         (WCHAR_TYPE_SIZE): Likewise.
5809         (WCHAR_TYPE): Undefine.
5810         (TARGET_OS_CPP_BUILTINS): Add 64-bit PowerPC defines.
5811         (CPP_OS_DEFAULT_SPEC): Use previous CPP_OS_RTEMS_SPEC.
5812         (CPP_OS_RTEMS_SPEC): Delete.
5813         (SUBSUBTARGET_EXTRA_SPECS): Remove cpp_os_rtems.  Add
5814         asm_spec_common, asm_spec32, asm_spec64, link_os_spec32, and
5815         link_os_spec64.
5816         * config/rs6000/t-rtems: Add mcpu=e6500/m64 multilibs.
5817
5818 2017-07-28  Jakub Jelinek  <jakub@redhat.com>
5819
5820         PR tree-optimization/81578
5821         * tree-parloops.c (build_new_reduction): Bail out if
5822         reduction_code isn't one of the standard OpenMP reductions.
5823         Move the details printing after that decision.
5824
5825 2017-07-27  Peter Bergner  <bergner@vnet.ibm.com>
5826
5827         * config/rs6000/predicates.md (volatile_mem_operand): Remove code
5828         related to reload_in_progress.
5829         (splat_input_operand): Likewise.
5830         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
5831         Delete prototype.
5832         * config/rs6000/rs6000.c (machine_function): Remove sdmode_stack_slot
5833         field.
5834         (TARGET_EXPAND_TO_RTL_HOOK): Delete.
5835         (TARGET_INSTANTIATE_DECLS): Likewise.
5836         (legitimate_indexed_address_p): Delete reload_in_progress code.
5837         (rs6000_debug_legitimate_address_p): Likewise.
5838         (rs6000_eliminate_indexed_memrefs): Likewise.
5839         (rs6000_emit_le_vsx_store): Likewise.
5840         (rs6000_emit_move_si_sf_subreg): Likewise.
5841         (rs6000_emit_move): Likewise.
5842         (register_to_reg_type): Likewise.
5843         (rs6000_pre_atomic_barrier): Likewise.
5844         (rs6000_machopic_legitimize_pic_address): Likewise.
5845         (rs6000_allocate_stack_temp): Likewise.
5846         (rs6000_address_for_fpconvert): Likewise.
5847         (rs6000_address_for_altivec): Likewise.
5848         (rs6000_secondary_memory_needed_rtx): Delete function.
5849         (rs6000_check_sdmode): Likewise.
5850         (rs6000_alloc_sdmode_stack_slot): Likewise.
5851         (rs6000_instantiate_decls): Likewise.
5852         * config/rs6000/rs6000.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
5853         * config/rs6000/rs6000.md (splitter for *movsi_got_internal):
5854         Delete reload_in_progress.
5855         (*vec_reload_and_plus_<mptrsize>): Likewise.
5856         * config/rs6000/vsx.md (vsx_mul_v2di): Likewise.
5857         (vsx_div_v2di): Likewise.
5858         (vsx_udiv_v2di): Likewise.
5859
5860 2017-07-27  Peter Bergner  <bergner@vnet.ibm.com>
5861
5862         * config/rs6000/rs6000.opt (mlra): Replace with stub.
5863         * config/rs6000/rs6000-cpus.def (POWERPC_MASKS): Delete OPTION_MASK_LRA.
5864         * config/rs6000/rs6000.c (TARGET_LRA_P): Delete.
5865         (rs6000_debug_reg_global): Delete print of LRA status.
5866         (rs6000_option_override_internal): Delete dead LRA related code.
5867         (rs6000_lra_p): Delete function.
5868         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete -mlra.
5869
5870 2017-07-27  Sebastian Huber  <sebastian.huber@embedded-brains.de>
5871
5872         * config.gcc (riscv*-*-elf*): Add (riscv*-*-rtems*).
5873         * config/riscv/rtems.h: New file.
5874
5875 2017-07-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5876             Sudakshina Das  <sudi.das@arm.com>
5877
5878         * config/aarch64/aarch64.md
5879         (define_split for and<mode>3nr_compare): Move
5880         non aarch64_logical_operand to a register.
5881         (define_split for and_<SHIFT:optab><mode>3nr_compare0): Move non
5882         register immediate operand to a register.
5883         * config/aarch64/predicates.md (aarch64_mov_imm_operand): New.
5884
5885 2017-07-27  Peter Bergner  <bergner@vnet.ibm.com>
5886
5887         PR middle-end/81564
5888         * tree-cfg.c (group_case_labels_stmt): Handle already deleted blocks.
5889
5890 2017-07-27  Richard Biener  <rguenther@suse.de>
5891
5892         PR tree-optimization/81573
5893         PR tree-optimization/81494
5894         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
5895         multi defuse cycle case.
5896
5897 2017-07-27  Richard Biener  <rguenther@suse.de>
5898
5899         PR tree-optimization/81571
5900         * tree-vect-slp.c (vect_build_slp_tree): Properly verify reduction
5901         PHIs.
5902
5903 2017-07-27  Eric Botcazou  <ebotcazou@adacore.com>
5904
5905         * config/sparc/sparc.c (sparc_option_override): Set MASK_FSMULD flag
5906         earlier and only if MASK_FPU is set.  Adjust formatting.
5907
5908 2017-07-27  Martin Liska  <mliska@suse.cz>
5909
5910         * opt-functions.awk: Add validation of value of Init.
5911         * optc-gen.awk: Pass new argument.
5912
5913 2017-07-27  Martin Liska  <mliska@suse.cz>
5914
5915         * auto-profile.c (autofdo_source_profile::update_inlined_ind_target):
5916         Fix wrong condition.
5917
5918 2017-07-27  Martin Liska  <mliska@suse.cz>
5919
5920         * auto-profile.c (afdo_annotate_cfg): Assign zero counts to
5921         BBs and edges seen by autoFDO.
5922
5923 2017-07-27  Richard Biener  <rguenther@suse.de>
5924
5925         PR tree-optimization/81502
5926         * tree-ssa.c (non_rewritable_lvalue_p): Handle BIT_INSERT_EXPR
5927         with incompatible but same sized type.
5928         (execute_update_addresses_taken): Likewise.
5929
5930 2017-07-27  James Greenhalgh  <james.greenhalgh@arm.com>
5931
5932         * tree-ssa-loop-ch.c (pass_ch::process_loop_p): Guard on
5933         flag_tree_loop_vectorize rather than flag_tree_vectorize.
5934
5935 2017-07-27  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5936
5937         PR target/81534
5938         * config/s390/s390.md ("*atomic_compare_and_swap<mode>_1")
5939         ("*atomic_compare_and_swapdi_2", "*atomic_compare_and_swapsi_3"):
5940         Change s_operand to memory_operand.
5941
5942 2017-07-27  Richard Sandiford  <richard.sandiford@linaro.org>
5943
5944         * config/rs6000/rs6000-protos.h (rs6000_emit_le_vsx_permute): Declare.
5945         * config/rs6000/rs6000.c (rs6000_gen_le_vsx_permute): Replace with...
5946         (rs6000_emit_le_vsx_permute): ...this.  Take the destination as input.
5947         Emit instructions rather than returning an expression.  Handle TFmode
5948         and KFmode by casting to TImode.
5949         (rs6000_emit_le_vsx_load): Update to use rs6000_emit_le_vsx_permute.
5950         (rs6000_emit_le_vsx_store): Likewise.
5951         * config/rs6000/vsx.md (VSX_TI): New iterator.
5952         (*vsx_le_permute_<mode>): Use it instead of VSX_LE_128.
5953         (*vsx_le_undo_permute_<mode>): Likewise.
5954         (*vsx_le_perm_load_<mode>): Use rs6000_emit_le_vsx_permute to
5955         emit the split sequence.
5956         (*vsx_le_perm_store_<mode>): Likewise.
5957
5958 2017-07-27  Jakub Jelinek  <jakub@redhat.com>
5959
5960         PR tree-optimization/81555
5961         PR tree-optimization/81556
5962         * tree-ssa-reassoc.c (rewrite_expr_tree): Add NEXT_CHANGED argument,
5963         if true, force CHANGED for the recursive invocation.
5964         (reassociate_bb): Remember original length of ops array, pass
5965         len != orig_len as NEXT_CHANGED in rewrite_expr_tree call.
5966
5967         * attribs.c (decl_attributes): Imply noinline, noclone and no_icf
5968         attributes for noipa attribute.  For naked attribute use
5969         lookup_attribute first before lookup_attribute_spec.
5970         * final.c (rest_of_handle_final): Disable IPA RA for functions with
5971         noipa attribute.
5972         * ipa-visibility.c (non_local_p): Fix comment typos.  Return true
5973         for functions with noipa attribute.
5974         (cgraph_externally_visible_p): Return true for functions with noipa
5975         attribute.
5976         * cgraph.c (cgraph_node::get_availability): Return AVAIL_INTERPOSABLE
5977         for functions with noipa attribute.
5978         * doc/extend.texi: Document noipa function attribute.
5979         * tree-ssa-structalias.c (refered_from_nonlocal_fn): Set *nonlocal_p
5980         also for functions with noipa attribute.
5981         (ipa_pta_execute): Set nonlocal_p also for nodes with noipa attribute.
5982
5983 2017-07-26  Andrew Pinski  <apinski@cavium.com>
5984
5985         * config/aarch64/aarch64.c (thunderx_vector_cost): Decrease cost of
5986         vec_unalign_load_cost and vec_unalign_store_cost.
5987
5988 2017-07-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
5989
5990         * config/rs6000/rs6000-cpus.def (ISA_2_7_MASKS_SERVER): Delete
5991         -mvsx-small-integer option.
5992         (ISA_3_0_MASKS_IEEE): Likewise.
5993         (OTHER_VSX_VECTOR_MASKS): Likewise.
5994         (POWERPC_MASKS): Likewise.
5995         * config/rs6000/rs6000.opt (-mvsx-small-integer): Likewise.
5996         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Simplify
5997         code, only testing for DImode being allowed in non-VSX floating
5998         point registers.
5999         (rs6000_init_hard_regno_mode_ok): Change TARGET_VSX_SMALL_INTEGER
6000         to TARGET_P8_VECTOR test.  Remove redundant VSX test inside of
6001         another VSX test.
6002         (rs6000_option_override_internal): Delete -mvsx-small-integer.
6003         (rs6000_expand_vector_set): Change TARGET_VSX_SMALL_INTEGER to
6004         TARGET_P8_VECTOR test.
6005         (rs6000_secondary_reload_simple_move): Likewise.
6006         (rs6000_preferred_reload_class): Delete TARGET_VSX_SMALL_INTEGER,
6007         since TARGET_P9_VECTOR was already tested.
6008         (rs6000_opt_masks): Remove -mvsx-small-integer.
6009         * config/rs6000/vsx.md (vsx_extract_<mode>): Delete
6010         TARGET_VSX_SMALL_INTEGER, since a test for TARGET_P9_VECTOR was
6011         used.
6012         (vsx_extract_<mode>_p9): Delete TARGET_VSX_SMALL_INTEGER, since a
6013         test for TARGET_VEXTRACTUB was used, and that uses
6014         TARGET_P9_VECTOR.
6015         (p9 extract splitter): Likewise.
6016         (vsx_extract_<mode>_di_p9): Likewise.
6017         (vsx_extract_<mode>_store_p9): Likewise.
6018         (vsx_extract_si): Delete TARGET_VSX_SMALL_INTEGER, since a test
6019         for TARGET_P9_VECTOR was used.  Delete code that is now dead with
6020         the elimination of TARGET_VSX_SMALL_INTEGER.
6021         (vsx_extract_<mode>_p8): Likewise.
6022         (vsx_ext_<VSX_EXTRACT_I:VS_scalar>_fl_<FL_CONV:mode>): Likewise.
6023         (vsx_ext_<VSX_EXTRACT_I:VS_scalar>_ufl_<FL_CONV:mode>): Likewise.
6024         (vsx_set_<mode>_p9): Likewise.
6025         (vsx_set_v4sf_p9): Likewise.
6026         (vsx_set_v4sf_p9_zero): Likewise.
6027         (vsx_insert_extract_v4sf_p9): Likewise.
6028         (vsx_insert_extract_v4sf_p9_2): Likewise.
6029         * config/rs6000/rs6000.md (sign extend splitter): Change
6030         TARGET_VSX_SMALL_INTEGER to TARGET_P8_VECTOR test.
6031         (floatsi<mode>2_lfiwax_mem): Likewise.
6032         (floatunssi<mode>2_lfiwzx_mem): Likewise.
6033         (float<QHI:mode><FP_ISA3:mode>2): Delete TARGET_VSX_SMALL_INTEGER,
6034         since a test for TARGET_P9_VECTOR was used.
6035         (float<QHI:mode><FP_ISA3:mode>2_internal): Likewise.
6036         (floatuns<QHI:mode><FP_ISA3:mode>2): Likewise.
6037         (floatuns<QHI:mode><FP_ISA3:mode>2_internal): Likewise.
6038         (fix_trunc<mode>si2): Change TARGET_VSX_SMALL_INTEGER to
6039         TARGET_P8_VECTOR test.
6040         (fix_trunc<mode>si2_stfiwx): Likewise.
6041         (fix_trunc<mode>si2_internal): Likewise.
6042         (fix_trunc<SFDF:mode><QHI:mode>2): Delete
6043         TARGET_VSX_SMALL_INTEGER, since a test for TARGET_P9_VECTOR was
6044         used.
6045         (fix_trunc<SFDF:mode><QHI:mode>2_internal): Likewise.
6046         (fixuns_trunc<mode>si2): Change TARGET_VSX_SMALL_INTEGER to
6047         TARGET_P8_VECTOR test.
6048         (fixuns_trunc<mode>si2_stfiwx): Likewise.
6049         (fixuns_trunc<SFDF:mode><QHI:mode>2): Delete
6050         TARGET_VSX_SMALL_INTEGER, since a test for TARGET_P9_VECTOR was
6051         used.
6052         (fixuns_trunc<SFDF:mode><QHI:mode>2_internal): Likewise.
6053         (fctiw<u>z_<mode>_smallint): Delete TARGET_VSX_SMALL_INTEGER,
6054         since a test for TARGET_P9_VECTOR was used.
6055         (splitter for loading small constants): Likewise.
6056
6057 2017-07-26  Andrew Pinski  <apinski@cavium.com>
6058
6059         * config/aarch64/aarch64.c (thunderx_vector_cost): Fix
6060         vec_fp_stmt_cost.
6061
6062 2017-07-26  H.J. Lu  <hongjiu.lu@intel.com>
6063
6064         PR target/81563
6065         * config/i386/i386.c (sp_valid_at): Properly check CFA offset.
6066         (fp_valid_at): Likewise.
6067
6068 2017-07-26  James Greenhalgh  <james.greenhalgh@arm.com>
6069
6070         * config/aarch64/aarch64.c (cortexa57_addrcost_table): Remove.
6071         (qdf24xx_addrcost_table): Likewise.
6072         (cortexa57_tunings): Update to use generic_branch_cost.
6073         (cortexa72_tunings): Likewise.
6074         (cortexa73_tunings): Likewise.
6075         (qdf24xx_tunings): Likewise.
6076
6077 2017-07-26  James Greenhalgh  <james.greenhalgh@arm.com>
6078
6079         * config/aarch64/aarch64.c (cortexa57_branch_cost): Remove.
6080         (thunderx2t99_branch_cost): Likewise.
6081         (cortexa35_tunings): Update to use generic_branch_cost.
6082         (cortexa53_tunings): Likewise.
6083         (cortexa57_tunings): Likewise.
6084         (cortexa72_tunings): Likewise.
6085         (cortexa73_tunings): Likewise.
6086         (thunderx2t99_tunings): Likewise.
6087
6088 2017-07-26  Sebastian Huber  <sebastian.huber@embedded-brains.de>
6089
6090         * config/sparc/sparc.c (dump_target_flag_bits): Dump MASK_FSMULD.
6091         (sparc_option_override): Honour MASK_FSMULD.
6092         * config/sparc/sparc.h (MASK_FEATURES): Add MASK_FSMULD.
6093         * config/sparc/sparc.md (muldf3_extend): Use TARGET_FSMULD.
6094         * config/sparc/sparc.opt (mfsmuld): New option.
6095         * doc/invoke.texi (mfsmuld): Document option.
6096
6097 2017-07-26  Marek Polacek  <polacek@redhat.com>
6098
6099         PR middle-end/70992
6100         * tree.c (build2_stat): Don't set TREE_CONSTANT on divisions by zero.
6101
6102 2017-07-26  Richard Biener  <rguenther@suse.de>
6103
6104         * gimple-match-head.c (do_valueize): Return OP if valueize
6105         returns NULL_TREE.
6106         (get_def): New helper to get at the def stmt of a SSA name
6107         if valueize allows.
6108         * genmatch.c (dt_node::gen_kids_1): Use get_def instead of
6109         do_valueize to get at the def stmt.
6110         (dt_operand::gen_gimple_expr): Simplify do_valueize calls.
6111
6112 2017-07-26  Wilco Dijkstra  <wdijkstr@arm.com>
6113
6114         PR middle-end/46932
6115         * auto-inc-dec.c (parse_add_or_inc): Block autoinc on sfp.
6116
6117 2017-07-26  Martin Liska  <mliska@suse.cz>
6118
6119         PR sanitize/81186
6120         * function.c (expand_function_start): Make expansion of
6121         nonlocal_goto_save_area after parm_birth_insn.
6122
6123 2017-07-26  Sebastian Huber  <sebastian.huber@embedded-brains.de>
6124
6125         * config/sparc/sparc.c (sparc_option_override): Remove MASK_FPU
6126         from all CPU target flags enable members.
6127
6128 2017-07-26  Richard Biener  <rguenther@suse.de>
6129
6130         * genmatch.c (dt_simplify::gen): Make iterator vars const.
6131         (decision_tree::gen): Make 'type' const.
6132         (write_predicate): Likewise.
6133
6134 2017-07-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
6135
6136         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok):
6137         Eliminate TARGET_UPPER_REGS_{DF,DI,SF} usage.
6138         (rs6000_option_override_internal): Likewise.
6139         (rs6000_expand_vector_set): Likewise.
6140         * config/rs6000/rs6000.h (TARGET_UPPER_REGS_DF): Delete.
6141         (TARGET_UPPER_REGS_SF): Likewise.
6142         (TARGET_UPPER_REGS_DI): Likewise.
6143         (TARGET_VEXTRACTUB): Eliminate TARGET_UPPER_REGS_{DF,DI,SF}.
6144         (TARGET_DIRECT_MOVE_64BIT): Likewise.
6145         * config/rs6000/rs6000.md (ALTIVEC_DFORM): Likewise.
6146         (float<QHI:mode><FP_ISA3:mode>2_internal): Likewise.
6147         (Splitters for DI constants in Altivec registers): Likewise.
6148         * config/rs6000/vsx.md (vsx_set_<mode>_p9): Likewise.
6149         (vsx_set_v4sf_p9): Likewise.
6150         (vsx_set_v4sf_p9_zero): Likewise.
6151         (vsx_insert_extract_v4sf_p9): Likewise.
6152         (vsx_insert_extract_v4sf_p9_2): Likewise.
6153
6154 2017-07-25  Carl Love  <cel@us.ibm.com>
6155
6156         * doc/extend.texi: Update the built-in documentation file for the
6157         existing built-in functions
6158         vector signed char vec_cnttz (vector signed char);
6159         vector unsigned char vec_cnttz (vector unsigned char);
6160         vector signed short vec_cnttz (vector signed short);
6161         vector unsigned short vec_cnttz (vector unsigned short);
6162         vector signed int vec_cnttz (vector signed int);
6163         vector unsigned int vec_cnttz (vector unsigned int);
6164         vector signed long long vec_cnttz (vector signed long long);
6165         vector unsigned long long vec_cnttz (vector unsigned long long);
6166
6167 2017-07-25  Andrew Pinski  <apinski@cavium.com>
6168
6169         * tree-ssa-uninit.c (warn_uninitialized_vars): Don't warn about memory
6170         accesses where the use is for the first operand of a BIT_INSERT.
6171
6172 2017-07-25  Jim Wilson  <jim.wilson@linaro.org>
6173
6174         PR bootstrap/81521
6175         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition): Look
6176         for FUNCTION_DECLs in TYPE_FIELDS rather than TYPE_METHODS.
6177
6178 2017-07-25  Jim Wilson  <jim.wilson@linaro.org>
6179
6180         * config/i386/gstabs.h: Delete.
6181         * config/i386/openbsd.h, config/i386/t-openbsd: Likewise.
6182
6183 2017-07-25  Uros Bizjak  <ubizjak@gmail.com>
6184
6185         * config/i386/i386.c (ix86_decompose_address): Do not check for
6186         register RTX when looking at index_reg or base_reg.
6187         * config/i386/i386.h (INCOMING_RETURN_ADDR_RTX): Use stack_pointer_rtx.
6188
6189 2017-07-25  Eric Botcazou  <ebotcazou@adacore.com>
6190
6191         * gimple.c (gimple_assign_set_rhs_with_ops): Do not ask gsi_replace
6192         to update EH info here.
6193
6194 2017-07-25  Alexander Monakov  <amonakov@ispras.ru>
6195
6196         * match.pd ((X * CST1) * CST2): Simplify to X * (CST1 * CST2).
6197
6198 2017-07-25  Alexander Monakov  <amonakov@ispras.ru>
6199
6200         * match.pd ((X * CST) * Y): Reassociate to (X * Y) * CST.
6201
6202 2017-07-25  Torsten Duwe  <duwe@suse.de>
6203
6204         * common.opt: Introduce -fpatchable-function-entry
6205         command line option, and its variables function_entry_patch_area_size
6206         and function_entry_patch_area_start.
6207         * opts.c (common_handle_option): Add -fpatchable_function_entry_ case,
6208         including a two-value parser.
6209         * target.def (print_patchable_function_entry): New target hook.
6210         * targhooks.h (default_print_patchable_function_entry): New function.
6211         * targhooks.c (default_print_patchable_function_entry): Likewise.
6212         * toplev.c (process_options): Switch off IPA-RA if
6213         patchable function entries are being generated.
6214         * varasm.c (assemble_start_function): Look at the
6215         patchable-function-entry command line switch and current
6216         function attributes and maybe generate NOP instructions by
6217         calling the print_patchable_function_entry hook.
6218         * doc/extend.texi: Document patchable_function_entry attribute.
6219         * doc/invoke.texi: Document -fpatchable_function_entry
6220         command line option.
6221         * doc/tm.texi.in (TARGET_ASM_PRINT_PATCHABLE_FUNCTION_ENTRY):
6222         New target hook.
6223         * doc/tm.texi: Re-generate.
6224
6225 2017-07-25  Jakub Jelinek  <jakub@redhat.com>
6226
6227         PR target/81532
6228         * config/i386/constraints.md (Yd, Ye): Use ALL_SSE_REGS for
6229         TARGET_AVX512DQ rather than TARGET_AVX512BW.
6230
6231 2017-07-25  Tamar Christina  <tamar.christina@arm.com>
6232
6233         * config/arm/parsecpu.awk (all_cores): Remove duplicates.
6234
6235 2017-07-25  Richard Biener  <rguenther@suse.de>
6236
6237         PR tree-optimization/81455
6238         * tree-ssa-loop-unswitch.c (find_loop_guard): Make sure to
6239         not walk in cycles when looking for guards.
6240
6241 2017-07-25  Richard Biener  <rguenther@suse.de>
6242
6243         PR tree-optimization/81529
6244         * tree-vect-stmts.c (process_use): Disregard live induction PHIs
6245         when optimizing backedge uses.
6246
6247 2017-07-25  David Edelsohn  <dje.gcc@gmail.com>
6248
6249         * dwarf2asm.c (dw2_asm_output_nstring): Encode double quote
6250         character for AIX.
6251         * dwarf2out.c (output_macinfo): Copy debug_line_section_label
6252         to dl_section_ref.  On AIX, append an expression to subtract
6253         the size of the section length to dl_section_ref.
6254
6255 2017-07-25  Segher Boessenkool  <segher@kernel.crashing.org>
6256
6257         * configure.ac: If any of the config.* scripts fail, exit 1.
6258         * configure: Regenerate.
6259
6260 2017-07-25  Richard Biener  <rguenther@suse.de>
6261
6262         PR middle-end/81546
6263         * tree-ssa-operands.c (verify_imm_links): Remove cap on number
6264         of immediate uses, be more verbose on errors.
6265
6266 2017-07-25  Richard Biener  <rguenther@suse.de>
6267
6268         PR tree-optimization/81510
6269         * tree-vect-loop.c (vect_is_simple_reduction): When the
6270         reduction stmt is not inside the loop bail out.
6271
6272 2017-07-25  Richard Biener  <rguenther@suse.de>
6273
6274         PR tree-optimization/81303
6275         * tree-vect-loop-manip.c (vect_loop_versioning): Build
6276         profitability check against LOOP_VINFO_NITERSM1.
6277
6278 2017-07-25  Alexander Monakov  <amonakov@ispras.ru>
6279
6280         * domwalk.c (cmp_bb_postorder): Simplify.
6281         (sort_bbs_postorder): New function.  Use it...
6282         (dom_walker::walk): ...here to optimize common cases.
6283
6284 2017-07-25  Martin Liska  <mliska@suse.cz>
6285
6286         PR ipa/81520
6287         * ipa-visibility.c (function_and_variable_visibility): Make the
6288         redirection just on target that supports aliasing.
6289         Fix GNU coding style.
6290
6291 2017-07-25  Sebastian Huber  <sebastian.huber@embedded-brains.de>
6292
6293         PR libgcc/61152
6294         * config/aarch64/rtems.h: Add GCC Runtime Library Exception.
6295         Format changes.
6296         * config/arm/rtems.h: Likewise.
6297         * config/bfin/rtems.h: Likewise.
6298         * config/i386/rtemself.h: Likewise.
6299         * config/lm32/rtems.h: Likewise.
6300         * config/m32c/rtems.h: Likewise.
6301         * config/m68k/rtemself.h: Likewise.
6302         * config/microblaze/rtems.h: Likewise.
6303         * config/mips/rtems.h: Likewise.
6304         * config/moxie/rtems.h: Likewise.
6305         * config/nios2/rtems.h: Likewise.
6306         * config/powerpcspe/rtems.h: Likewise.
6307         * config/rs6000/rtems.h: Likewise.
6308         * config/rtems.h: Likewise.
6309         * config/sh/rtems.h: Likewise.
6310         * config/sh/rtemself.h: Likewise.
6311         * config/sparc/rtemself.h: Likewise.
6312
6313 2017-07-25  Georg-Johann Lay  <avr@gjlay.de>
6314
6315         PR 81487
6316         * hsa-brig.c (brig_init): Use xasprintf instead of asprintf.
6317         * gimple-pretty-print.c (dump_profile, dump_probability): Same.
6318         * tree-ssa-structalias.c (alias_get_name): Same.
6319
6320 2017-07-25  Bin Cheng  <bin.cheng@arm.com>
6321
6322         PR target/81414
6323         * config/aarch64/cortex-a57-fma-steering.c (analyze): Skip fmul/fmac
6324         instructions if no du chain is found.
6325
6326 2017-07-25  Georg-Johann Lay  <avr@gjlay.de>
6327
6328         * config/avr/avr-log.c (avr_log_vadump) ['T']: Print NULL-TREE.
6329
6330 2017-07-25  Richard Biener  <rguenther@suse.de>
6331
6332         PR middle-end/81505
6333         * fold-const.c (fold_negate_const): TREE_OVERFLOW should be
6334         sticky.
6335
6336 2017-07-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
6337
6338         * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Delete
6339         upper-regs options.
6340         (ISA_2_7_MASKS_SERVER): Likewise.
6341         (ISA_3_0_MASKS_IEEE): Likewise.
6342         (OTHER_P8_VECTOR_MASKS): Likewise.
6343         (OTHER_VSX_VECTOR_MASKS): Likewise.
6344         (POWERPC_MASKS): Likewise.
6345         (power7 cpu): Use ISA_2_6_MASKS_SERVER instead of using a
6346         duplicate list of options.
6347         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Remove
6348         explicit -mupper-regs options.
6349         * config/rs6000/rs6000.opt (-mvsx-scalar-memory): Delete
6350         -mupper-regs* options.  Delete -mvsx-scalar-memory, which was an
6351         alias for -mupper-regs-df.
6352         * config/rs6000/rs6000.c (rs6000_setup_reg_addr_masks): Likewise.
6353         (rs6000_init_hard_regno_mode_ok): Likewise.
6354         (rs6000_option_override_internal): Likewise.
6355         (rs6000_opt_masks): Likewise.
6356         * config/rs6000/rs6000.h (TARGET_UPPER_REGS_DF): Define upper regs
6357         options in terms of whether -mvsx or -mpower8-vector was used.
6358         (TARGET_UPPER_REGS_DI): Likewise.
6359         (TARGET_UPPER_REGS_SF): Likewise.
6360         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete the
6361         -mupper-regs-* options.
6362
6363 2017-07-24  Segher Boessenkool  <segher@kernel.crashing.org>
6364
6365         * passes.c (emergency_dump_function): Print some empty lines and a
6366         header before the RTL dump.
6367
6368 2017-07-24  Segher Boessenkool  <segher@kernel.crashing.org>
6369
6370         * cfgrtl.c (rtl_dump_bb): Don't call NEXT_INSN on NULL.
6371
6372 2017-07-24  Wilco Dijkstra  <wdijkstr@arm.com>
6373
6374         PR target/79041
6375         * config/aarch64/aarch64.c (aarch64_classify_symbol):
6376         Avoid SYMBOL_SMALL_ABSOLUTE for literals with pc-relative literals.
6377
6378 2017-07-24  Carl Love  <cel@us.ibm.com>
6379
6380         * config/rs6000/rs6000-c.c: Add support for built-in functions
6381         vector float vec_extract_fp32_from_shorth (vector unsigned short);
6382         vector float vec_extract_fp32_from_shortl (vector unsigned short);
6383         * config/rs6000/altivec.h (vec_extract_fp_from_shorth,
6384         vec_extract_fp_from_shortl): Add defines for the two builtins.
6385         * config/rs6000/rs6000-builtin.def (VEXTRACT_FP_FROM_SHORTH,
6386         VEXTRACT_FP_FROM_SHORTL): Add BU_P9V_OVERLOAD_1 and BU_P9V_VSX_1
6387         new builtins.
6388         * config/rs6000/vsx.md vsx_xvcvhpsp): Add define_insn.
6389         (vextract_fp_from_shorth, vextract_fp_from_shortl): Add define_expands.
6390         * doc/extend.texi: Update the built-in documentation file for the
6391         new built-in function.
6392
6393 2017-07-24  Jakub Jelinek  <jakub@redhat.com>
6394
6395         PR bootstrap/81521
6396         * tree.def: Remove TYPE_METHODS documentation, adjust TYPE_FIELDS
6397         documentation.
6398         * doc/generic.texi: Likewise.
6399         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition): Look
6400         for FUNCTION_DECLs in TYPE_FIELDS rather than TYPE_METHODS.
6401
6402 2017-07-24  Jackson Woodruff  <jackson.woodruff@arm.com>
6403
6404         * config/aarch64/aarch64-simd.md (aarch64_mla_elt_merge<mode>): New.
6405         (aarch64_mls_elt_merge<mode>): Likewise.
6406
6407 2017-07-23  Krister Walfridsson  <krister.walfridsson@gmail.com>
6408
6409         * config.gcc (*-*-netbsd*): Remove check for NetBSD versions not
6410         having __cxa_atexit.
6411
6412 2017-07-23  Michael Collison  <michael.collison@arm.com>
6413
6414         * config/arm/arm.c (arm_option_override): Deprecate
6415         use of -mstructure-size-boundary.
6416         * config/arm/arm.opt: Deprecate -mstructure-size-boundary.
6417         * doc/invoke.texi: Deprecate -mstructure-size-boundary.
6418
6419 2017-07-23  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6420
6421         PR target/80695
6422         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost):
6423         Reduce cost estimate for direct moves.
6424
6425 2017-07-23  Uros Bizjak  <ubizjak@gmail.com>
6426
6427         PR target/80569
6428         * config/i386/i386.c (ix86_option_override_internal): Disable
6429         BMI, BMI2 and TBM instructions for -m16.
6430
6431 2017-07-21  Carl Love  <cel@us.ibm.com>
6432
6433         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
6434         ALTIVEC_BUILTIN_VMULESW, ALTIVEC_BUILTIN_VMULEUW,
6435         ALTIVEC_BUILTIN_VMULOSW, ALTIVEC_BUILTIN_VMULOUW entries.
6436         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin,
6437         builtin_function_type): Add ALTIVEC_BUILTIN_* case statements.
6438         * config/rs6000/altivec.md (MVULEUW, VMULESW, VMULOUW,
6439         VMULOSW): New enum "unspec" values.
6440         (altivec_vmuleuw, altivec_vmulesw, altivec_vmulouw,
6441         altivec_vmulosw): New patterns.
6442         * config/rs6000/rs6000-builtin.def (VMLEUW, VMULESW, VMULOUW,
6443         VMULOSW): Add definitions.
6444
6445 2017-07-21  Jim Wilson  <jim.wilson@linaro.org>
6446
6447         * config/aarch64/aarch64-cores.def (falkor): Add AARCH64_FL_RDMA.
6448         (qdf24xx): Likewise.
6449         * config/aarch64/aarch64-options-extensions.def (rdma); New.
6450         * config/aarch64/aarch64.h (AARCH64_FL_RDMA): New.
6451         (AARCH64_FL_V8_1): Renumber.
6452         (AARCH64_FL_FOR_ARCH8_1): Add AARCH64_FL_RDMA.
6453         (AARCH64_ISA_RDMA): Use AARCH64_FL_RDMA.
6454         * config/aarch64/arm_neon.h: Use +rdma instead of arch=armv8.1-a.
6455         * doc/invoke.texi (AArch64 Options): Mention +rmda in -march docs.  Add
6456         rdma to feature modifiers list.
6457
6458 2017-07-21  Yury Gribov  <tetra2005@gmail.com>
6459
6460         PR middle-end/56727
6461         * ipa-visibility (function_and_variable_visibility): Convert
6462         recursive PLT call to direct call if appropriate.
6463
6464 2017-07-21  Andrew Pinski  <apinski@cavium.com>
6465
6466         * tree-ssa-sccvn.c (vn_nary_op_eq): Check BIT_INSERT_EXPR's
6467         operand 1 to see if the types precision matches.
6468         * fold-const.c (operand_equal_p): Likewise.
6469
6470 2017-07-21  Richard Biener  <rguenther@suse.de>
6471
6472         PR tree-optimization/81303
6473         * tree-vect-data-refs.c (vect_get_peeling_costs_all_drs): Pass
6474         in datarefs vector.  Allow NULL dr0 for no peeling cost estimate.
6475         (vect_peeling_hash_get_lowest_cost): Adjust.
6476         (vect_enhance_data_refs_alignment): Likewise.  Use
6477         vect_get_peeling_costs_all_drs to compute the penalty for no
6478         peeling to match up costs.
6479
6480 2017-07-21  Richard Biener  <rguenther@suse.de>
6481
6482         PR tree-optimization/81500
6483         * tree-vect-loop.c (vect_is_simple_reduction): Properly fail if
6484         we didn't identify a reduction path.
6485
6486 2017-07-21  Tom de Vries  <tom@codesourcery.com>
6487             Cesar Philippidis  <cesar@codesourcery.com>
6488
6489         PR gcov-profile/81442
6490         * config/nvptx/nvptx.c (nvptx_goacc_reduction_init): Add missing edge
6491         probabilities.
6492
6493 2017-07-21  Tom de Vries  <tom@codesourcery.com>
6494
6495         PR lto/81430
6496         * config/nvptx/nvptx.c (nvptx_override_options_after_change): New
6497         function.
6498         (TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE): Define to
6499         nvptx_override_options_after_change.
6500
6501 2017-07-21  Ulrich Drepper  <drepper@redhat.com>
6502
6503         * dwarf2out.c (output_file_names): Avoid double testing for
6504         dwarf_version >= 5.
6505
6506 2017-07-21  Georg-Johann Lay  <avr@gjlay.de>
6507
6508         * doc/invoke.texi (AVR Built-in Functions): Re-layout section.
6509
6510 2016-07-21  Jan Hubicka  <hubicka@ucw.cz>
6511
6512         * cfgcleanup.c (flow_find_cross_jump): Do not crossjump across
6513         hot/cold regions.
6514         (try_crossjump_to_edge): Do not punt on partitioned functions.
6515
6516 2016-07-21  Jan Hubicka  <hubicka@ucw.cz>
6517
6518         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
6519         Put all BBs reachable only via paths crossing cold region to cold
6520         region.
6521         * cfgrtl.c (find_bbs_reachable_by_hot_paths): New function.
6522
6523 2016-07-21  Richard Biener  <rguenther@suse.de>
6524
6525         PR tree-optimization/81303
6526         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Take
6527         into account prologue and epilogue iterations when raising
6528         min_profitable_iters to sth at least covering one vector iteration.
6529
6530 2017-07-21  Tamar Christina  <tamar.christina@arm.com>
6531
6532         * config/arm/arm.c (arm_test_cpu_arch_dat):
6533         Check for overlap.
6534
6535 2017-07-20  Nathan Sidwell  <nathan@acm.org>
6536
6537         Remove TYPE_METHODS.
6538         * tree.h (TYPE_METHODS): Delete.
6539         * dwarf2out.c (gen_member_die): Member fns are on TYPE_FIELDS.
6540         * dbxout.c (dbxout_type_fields): Ignore FUNCTION_DECLs.
6541         (dbxout_type_methods): Scan TYPE_FIELDS.
6542         (dbxout_type): Don't check TYPE_METHODS here.
6543         * function.c (use_register_for_decl): Always ignore register for
6544         class types when not optimizing.
6545         * ipa-devirt.c (odr_types_equivalent_p): Delete TYPE_METHODS scan.
6546         * tree.c (free_lang_data_in_type): Stitch out member functions and
6547         templates from TYPE_FIELDS.
6548         (build_distinct_type_copy, verify_type_variant,
6549         verify_type): Member fns are on TYPE_FIELDS.
6550         * tree-dump.c (dequeue_and_dump): No TYPE_METHODS.
6551         * tree-pretty-print.c (dump_generic_node): Likewise.
6552
6553 2017-07-20  Jakub Jelinek  <jakub@redhat.com>
6554
6555         PR target/80846
6556         * config/i386/i386.c (ix86_expand_vector_init_general): Handle
6557         V2TImode and V4TImode.
6558         (ix86_expand_vector_extract): Likewise.
6559         * config/i386/sse.md (VMOVE): Enable V4TImode even for just
6560         TARGET_AVX512F, instead of only for TARGET_AVX512BW.
6561         (ssescalarmode): Handle V4TImode and V2TImode.
6562         (VEC_EXTRACT_MODE): Add V4TImode and V2TImode.
6563         (*vec_extractv2ti, *vec_extractv4ti): New insns.
6564         (VEXTRACTI128_MODE): New mode iterator.
6565         (splitter for *vec_extractv?ti first element): New.
6566         (VEC_INIT_MODE): New mode iterator.
6567         (vec_init<mode>): Consolidate 3 expanders into one using
6568         VEC_INIT_MODE mode iterator.
6569
6570 2017-07-20  Alexander Monakov  <amonakov@ispras.ru>
6571
6572         * lra-assigns.c (pseudo_compare_func): Fix comparison step based on
6573         non_spilled_static_chain_regno_p.
6574
6575 2017-07-20  Alexander Monakov  <amonakov@ispras.ru>
6576
6577         * gimple-ssa-store-merging.c (sort_by_bitpos): Return 0 on equal bitpos.
6578
6579 2017-07-20  Jan Hubicka  <hubicka@ucw.cz>
6580
6581         * bb-reorder.c (connect_traces): Allow copying of blocks within
6582         single partition.
6583
6584 2017-07-20  Richard Biener  <rguenther@suse.de>
6585
6586         * gimple.h (gimple_phi_result): Add gphi * overload.
6587         (gimple_phi_result_ptr): Likewise.
6588         (gimple_phi_arg): Likewise.  Adjust index assert to only
6589         allow actual argument accesses rather than all slots available
6590         by capacity.
6591         (gimple_phi_arg_def): Add gphi * overload.
6592         * tree-phinodes.c (make_phi_node): Initialize only actual
6593         arguments.
6594         (resize_phi_node): Clear memory not covered by old node,
6595         do not initialize excess argument slots.
6596         (reserve_phi_args_for_new_edge): Initialize new argument slot
6597         completely.
6598
6599 2017-07-20  Bin Cheng  <bin.cheng@arm.com>
6600
6601         PR tree-optimization/81388
6602         Revert r238585:
6603         2016-07-21  Bin Cheng  <bin.cheng@arm.com>
6604
6605         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Clean up
6606         by removing computation of may_be_zero.
6607
6608 2017-07-18  Jan Hubicka  <hubicka@ucw.cz>
6609             Tom de Vries  <tom@codesourcery.com>
6610
6611         PR middle-end/81030
6612         * cfgbuild.c (find_many_sub_basic_blocks): Update REG_BR_PROB note
6613         when gimple level profile disagrees with what RTL expander did.
6614
6615 2017-07-20  Richard Biener  <rguenther@suse.de>
6616
6617         PR tree-optimization/61171
6618         * tree-vectorizer.h (slp_instance): Add reduc_phis member.
6619         (vect_analyze_stmt): Add slp instance parameter.
6620         (vectorizable_reduction): Likewise.
6621         * tree-vect-loop.c (vect_analyze_loop_operations): Adjust.
6622         (vect_is_simple_reduction): Deal with chains not detected
6623         as SLP reduction chain, specifically not properly associated
6624         chains containing a mix of plus/minus.
6625         (get_reduction_op): Remove.
6626         (get_initial_defs_for_reduction): Simplify, pass in whether
6627         this is a reduction chain, pass in the SLP node for the PHIs.
6628         (vect_create_epilog_for_reduction): Get the SLP instance as
6629         arg and adjust.
6630         (vectorizable_reduction): Get the SLP instance as arg.
6631         During analysis remember the SLP node with the PHIs in the
6632         instance.  Simplify getting at the vectorized reduction PHIs.
6633         * tree-vect-slp.c (vect_slp_analyze_node_operations): Pass
6634         through SLP instance.
6635         (vect_slp_analyze_operations): Likewise.
6636         * tree-vect-stms.c (vect_analyze_stmt): Likewise.
6637         (vect_transform_stmt): Likewise.
6638
6639 2017-07-20  Tom de Vries  <tom@codesourcery.com>
6640
6641         PR tree-optimization/81489
6642         * gimple-ssa-isolate-paths.c (find_implicit_erroneous_behavior): Move
6643         read of phi arg location to before loop that modifies phi.
6644
6645 2017-07-20  Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
6646
6647         * match.pd (((m1 >/</>=/<= m2) * d -> (m1 >/</>=/<= m2) ? d : 0):
6648         New pattern.
6649
6650 2017-07-19  Jan Hubicka  <hubicka@ucw.cz>
6651
6652         PR middle-end/81331
6653         * except.c (execute): Fix ordering issue.
6654
6655 2018-07-19  Segher Boessenkool  <segher@kernel.crashing.org>
6656
6657         PR rtl-optimization/81423
6658         * combine.c (make_compound_operation_int): Don't try to optimize
6659         the AND of a SUBREG of an LSHIFTRT if that SUBREG is paradoxical.
6660
6661 2017-07-19  Segher Boessenkool  <segher@kernel.crashing.org>
6662
6663         PR rtl-optimization/81423
6664         * simplify-rtx.c (simplify_truncation): Handle truncating an IOR
6665         with a constant that is -1 in the truncated to mode.
6666
6667 2017-07-19  Jan Hubicka  <hubicka@ucw.cz>
6668
6669         * predict.c (propagate_unlikely_bbs_forward): Break out from ...
6670         (determine_unlikely_bbs): ... here.
6671         * predict.h (propagate_unlikely_bbs_forward): Declare.
6672         * cfgexpand.c (pass_expand::execute): Use it.
6673         * bb-reorder.c (sanitize_hot_paths): Do not consider known to be
6674         unlikely edges.
6675         (find_rarely_executed_basic_blocks_and_crossing_edges): Use
6676         propagate_unlikely_bbs_forward.
6677
6678 2017-07-19  Jan Hubicka  <hubicka@ucw.cz>
6679
6680         PR middle-end/81331
6681         * except.c (maybe_add_nop_after_section_switch): New function.
6682         (execute): Use it.
6683
6684 2017-07-19  Tom de Vries  <tom@codesourcery.com>
6685
6686         * gimple.h (gimple_phi_set_arg): Make assert more strict.
6687
6688 2017-07-19  Tom de Vries  <tom@codesourcery.com>
6689
6690         * gimple.h (gimple_phi_arg): Make assert more strict.
6691
6692 2017-07-19  Steven Munroe  <munroesj@gcc.gnu.org>
6693
6694         * config.gcc (powerpc*-*-*): Add mmintrin.h.
6695         * config/rs6000/mmintrin.h: New file.
6696         * config/rs6000/x86intrin.h [__ALTIVEC__]: Include mmintrin.h.
6697
6698 2017-07-19  Jakub Jelinek  <jakub@redhat.com>
6699
6700         PR tree-optimization/81346
6701         * match.pd: Optimize (X - 1U) <= INT_MAX-1U into (int) X > 0.
6702
6703 2017-07-19  Tom de Vries  <tom@codesourcery.com>
6704
6705         * config/nvptx/nvptx.md (VECIM): Add V2DI.
6706
6707 2017-07-19  Tom de Vries  <tom@codesourcery.com>
6708
6709         * config/nvptx/nvptx-modes.def: Add V2DImode.
6710         * config/nvptx/nvptx-protos.h (nvptx_data_alignment): Declare.
6711         * config/nvptx/nvptx.c (nvptx_ptx_type_from_mode): Handle V2DImode.
6712         (nvptx_output_mov_insn): Handle lack of mov.b128.
6713         (nvptx_print_operand): Handle 'H' and 'L' codes.
6714         (nvptx_vector_mode_supported): Allow V2DImode.
6715         (nvptx_preferred_simd_mode): New function.
6716         (nvptx_data_alignment): New function.
6717         (TARGET_VECTORIZE_PREFERRED_SIMD_MODE): Redefine to
6718         nvptx_preferred_simd_mode.
6719         * config/nvptx/nvptx.h (STACK_BOUNDARY, BIGGEST_ALIGNMENT): Change from
6720         64 to 128 bits.
6721         (DATA_ALIGNMENT): Define.  Set to nvptx_data_alignment.
6722
6723 2017-07-19  Tom de Vries  <tom@codesourcery.com>
6724
6725         * config/nvptx/nvptx-modes.def: New file.  Add V2SImode.
6726         * config/nvptx/nvptx.c (nvptx_ptx_type_from_mode): Handle V2SImode.
6727         (nvptx_vector_mode_supported): New function.  Allow V2SImode.
6728         (TARGET_VECTOR_MODE_SUPPORTED_P): Redefine to nvptx_vector_mode_supported.
6729         * config/nvptx/nvptx.md (VECIM): New mode iterator. Add V2SI.
6730         (mov<VECIM>_insn): New define_insn.
6731         (define_expand "mov<VECIM>): New define_expand.
6732
6733 2017-07-19  Tom de Vries  <tom@codesourcery.com>
6734
6735         * config/nvptx/nvptx.c (nvptx_print_operand): Handle v2 vector mode.
6736
6737 2017-07-19  Jakub Jelinek  <jakub@redhat.com>
6738
6739         PR tree-optimization/81346
6740         * fold-const.h (fold_div_compare, range_check_type): Declare.
6741         * fold-const.c (range_check_type): New function.
6742         (build_range_check): Use range_check_type.
6743         (fold_div_compare): No longer static, rewritten into
6744         a match.pd helper function.
6745         (fold_comparison): Don't call fold_div_compare here.
6746         * match.pd (X / C1 op C2): New optimization using fold_div_compare
6747         as helper function.
6748
6749 2017-07-19  Nathan Sidwell  <nathan@acm.org>
6750
6751         * tree.h (TYPE_MINVAL, TYPE_MAXVAL): Rename to ...
6752         (TYPE_MIN_VALUE_RAW, TYPE_MAX_VALUE_RAW): ... these.
6753         * tree.c (find_decls_types_r, verify_type): Use
6754         TYPE_{MIN,MAX}_VALUE_RAW.
6755         * lto-streamer-out.c (DFS::DFS_write_tree_body): Likewise.
6756         (hash_tree): Likewise.
6757         * tree-streamer-in.c (lto_input_ts_type_non_common_tree_pointers):
6758         Likewise.
6759         * tree-streamer-out.c (write_ts_type_non_common_tree_pointers):
6760         Likewise.
6761
6762 2017-07-18  Tom de Vries  <tom@codesourcery.com>
6763
6764         PR middle-end/81464
6765         * omp-expand.c (expand_omp_for_static_chunk): Handle
6766         equal-argument loop exit phi.
6767
6768 2017-07-18  Uros Bizjak  <ubizjak@gmail.com>
6769
6770         PR target/81471
6771         * config/i386/i386.md (rorx_immediate_operand): New mode attribute.
6772         (*bmi2_rorx<mode>3_1): Use rorx_immediate_operand as
6773         operand 2 predicate.
6774         (*bmi2_rorxsi3_1_zext): Use const_0_to_31_operand as
6775         operand 2 predicate.
6776         (ror,rol -> rorx splitters): Use const_int_operand as
6777         operand 2 predicate.
6778
6779 2017-06-18  Richard Biener  <rguenther@suse.de>
6780
6781         PR tree-optimization/81410
6782         * tree-vect-stmts.c (vectorizable_load): Properly adjust for
6783         the gap in the ! slp_perm SLP case after each group.
6784
6785 2017-07-18  Jan Hubicka  <hubicka@ucw.cz>
6786
6787         PR middle-end/81463
6788         * cfgloopmanip.c (scale_loop_profile): Watch out for zero frequency
6789         again.
6790
6791 2017-07-18  Jan Hubicka  <hubicka@ucw.cz>
6792
6793         PR middle-end/81462
6794         * predict.c (set_even_probabilities): Cleanup; do not affect
6795         probabilities that are already known.
6796         (combine_predictions_for_bb): Call even when count is set.
6797
6798 2017-07-18  Nathan Sidwell  <nathan@acm.org>
6799
6800         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Use
6801         TYPE_MAX_VALUE.
6802
6803 2017-07-18  Bin Cheng  <bin.cheng@arm.com>
6804
6805         PR target/81408
6806         * tree-ssa-loop-niter.c (number_of_iterations_exit): Dump missed
6807         optimization for loop niter analysis.
6808
6809 2017-07-18  Georg-Johann Lay  <avr@gjlay.de>
6810
6811         PR target/81473
6812         * config/avr/avr.c (avr_optimize_casesi): Don't use
6813         INT8_MIN, INT8_MAX, UINT8_MAX, INT16_MIN, INT16_MAX, UINT16_MAX.
6814
6815 2017-07-18  Robin Dapp  <rdapp@linux.vnet.ibm.com>
6816
6817         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Remove
6818         body_cost_vec from _vect_peel_extended_info.
6819         (vect_peeling_hash_get_lowest_cost): Do not set body_cost_vec.
6820         (vect_peeling_hash_choose_best_peeling): Remove body_cost_vec and
6821         npeel.
6822
6823 2017-07-18  Bin Cheng  <bin.cheng@arm.com>
6824
6825         * config/arm/arm.c (emit_unlikely_jump): Remove unused var.
6826
6827 2017-07-18  Richard Biener  <rguenther@suse.de>
6828
6829         PR tree-optimization/80620
6830         PR tree-optimization/81403
6831         * tree-ssa-pre.c (phi_translate_1): Clear range and points-to
6832         info when re-using a VN table entry.
6833
6834 2017-07-18  Richard Biener  <rguenther@suse.de>
6835
6836         PR tree-optimization/81418
6837         * tree-vect-loop.c (vectorizable_reduction): Properly compute
6838         vectype_in.  Verify that with lane-reducing reduction operations
6839         we have a single def-use cycle.
6840
6841 2017-07-17  Carl Love  <cel@us.ibm.com>
6842
6843         Revert commit r249424   2017-06-20  Carl Love  <cel@us.ibm.com>
6844
6845         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
6846         ALTIVEC_BUILTIN_VMULESW, ALTIVEC_BUILTIN_VMULEUW,
6847         ALTIVEC_BUILTIN_VMULOSW, ALTIVEC_BUILTIN_VMULOUW entries.
6848         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin,
6849         builtin_function_type): Add ALTIVEC_BUILTIN_* case statements.
6850         * config/rs6000/altivec.md (MVULEUW, VMULESW, VMULOUW,
6851         VMULOSW): New enum "unspec" values.
6852         (vec_widen_umult_even_v4si, vec_widen_smult_even_v4si,
6853         vec_widen_umult_odd_v4si, vec_widen_smult_odd_v4si,
6854         altivec_vmuleuw, altivec_vmulesw, altivec_vmulouw,
6855         altivec_vmulosw): New patterns.
6856         * config/rs6000/rs6000-builtin.def (VMLEUW, VMULESW, VMULOUW,
6857         VMULOSW): Add definitions.
6858 2017-07-17  Uros Bizjak  <ubizjak@gmail.com>
6859
6860         * config/alpha/alpha.c: Include predict.h.
6861
6862 2017-07-17  Yury Gribov  <tetra2005@gmail.com>
6863
6864         * tree-vrp.c (compare_assert_loc): Fix comparison function
6865         to return predictable results.
6866
6867 2017-07-17  Claudiu Zissulescu  <claziss@synopsys.com>
6868
6869         * config/arc/arc.md (adddi3): Remove support for mexpand-adddi
6870         option.
6871         (subdi3): Likewise.
6872         * config/arc/arc.opt (mexpand-adddi): Deprecate it.
6873         * doc/invoke.texi (mexpand-adddi): Update text.
6874
6875 2017-07-17  Claudiu Zissulescu  <claziss@synopsys.com>
6876
6877         * config/arc/arc.md (clzsi2): Expand to an arc_clzsi2 instruction
6878         that also clobbers the CC register. The old expand code is moved
6879         to ...
6880         (*arc_clzsi2): ... here.
6881         (ctzsi2): Expand to an arc_ctzsi2 instruction that also clobbers
6882         the CC register. The old expand code is moved to ...
6883         (arc_ctzsi2): ... here.
6884
6885 2017-07-17  Claudiu Zissulescu  <claziss@synopsys.com>
6886
6887         * config/arc/arc.opt (mindexed-loads): Use initial value
6888         TARGET_INDEXED_LOADS_DEFAULT.
6889         (mauto-modify-reg): Use initial value
6890         TARGET_AUTO_MODIFY_REG_DEFAULT.
6891         * config/arc/elf.h (TARGET_INDEXED_LOADS_DEFAULT): Define.
6892         (TARGET_AUTO_MODIFY_REG_DEFAULT): Likewise.
6893         * config/arc/linux.h (TARGET_INDEXED_LOADS_DEFAULT): Define.
6894         (TARGET_AUTO_MODIFY_REG_DEFAULT): Likewise.
6895
6896 2017-07-17  Martin Liska  <mliska@suse.cz>
6897
6898         PR sanitizer/81302
6899         * opts.c (finish_options): Do not allow -fgnu-tm
6900         w/ -fsanitize={kernel-,}address.  Say sorry.
6901
6902 2017-07-17  Bin Cheng  <bin.cheng@arm.com>
6903
6904         PR target/81369
6905         * tree-loop-distribution.c (classify_partition): Only assert on
6906         numer of iterations.
6907         (merge_dep_scc_partitions): Delete prameter.  Update function call.
6908         (distribute_loop): Remove code handling loop with unknown niters.
6909         (pass_loop_distribution::execute): Skip loop with unknown niters.
6910
6911 2017-07-17  Bin Cheng  <bin.cheng@arm.com>
6912
6913         PR target/81369
6914         * tree-loop-distribution.c (merge_dep_scc_partitions): Sink call to
6915         function sort_partitions_by_post_order.
6916
6917 2017-07-17  Bin Cheng  <bin.cheng@arm.com>
6918
6919         PR tree-optimization/81374
6920         * tree-loop-distribution.c (pass_loop_distribution::execute): Record
6921         the max index of basic blocks, rather than number of basic blocks.
6922
6923 2017-07-17  Claudiu Zissulescu  <claziss@synopsys.com>
6924
6925         * config/arc/arc-protos.h (arc_legitimate_pc_offset_p): Remove
6926         proto.
6927         (arc_legitimate_pic_operand_p): Likewise.
6928         * config/arc/arc.c (arc_legitimate_pic_operand_p): Remove
6929         function.
6930         (arc_needs_pcl_p): Likewise.
6931         (arc_legitimate_pc_offset_p): Likewise.
6932         (arc_legitimate_pic_addr_p): Remove LABEL_REF case, as this
6933         function is also used in constrains.md.
6934         (arc_legitimate_constant_p): Use arc_legitimate_pic_addr_p to
6935         validate pic constants. Handle CONST_INT, CONST_DOUBLE, MINUS and
6936         PLUS.  Only return true/false in known cases, otherwise assert.
6937         (arc_legitimate_address_p): Remove arc_legitimate_pic_addr_p as it
6938         is already called in arc_legitimate_constant_p.
6939         * config/arc/arc.h (CONSTANT_ADDRESS_P): Consider also LABEL for
6940         pic addresses.
6941         (LEGITIMATE_PIC_OPERAND_P): Use
6942         arc_raw_symbolic_reference_mentioned_p function.
6943         * config/arc/constraints.md (Cpc): Use arc_legitimate_pic_addr_p
6944         function.
6945         (Cal): Likewise.
6946         (C32): Likewise.
6947
6948 2017-07-17  Claudiu Zissulescu  <claziss@synopsys.com>
6949         Andrew Burgess  <andrew.burgess@embecosm.com>
6950
6951         * config/arc/arc-protos.h (arc_compute_function_type): Change prototype.
6952         (arc_return_address_register): New function.
6953         * config/arc/arc.c (arc_handle_fndecl_attribute): New function.
6954         (arc_handle_fndecl_attribute): Add naked attribute.
6955         (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Define.
6956         (TARGET_WARN_FUNC_RETURN): Likewise.
6957         (arc_allocate_stack_slots_for_args): New function.
6958         (arc_warn_func_return): Likewise.
6959         (machine_function): Change type fn_type.
6960         (arc_compute_function_type): Consider new naked function type,
6961         change function return type.
6962         (arc_must_save_register): Adapt to handle new
6963         arc_compute_function_type's return type.
6964         (arc_expand_prologue): Likewise.
6965         (arc_expand_epilogue): Likewise.
6966         (arc_return_address_regs): Delete.
6967         (arc_return_address_register): New function.
6968         (arc_epilogue_uses): Use above function.
6969         * config/arc/arc.h (arc_return_address_regs): Delete prototype.
6970         (arc_function_type): Change encoding, add naked type.
6971         (ARC_INTERRUPT_P): Change to handle the new encoding.
6972         (ARC_FAST_INTERRUPT_P): Likewise.
6973         (ARC_NORMAL_P): Define.
6974         (ARC_NAKED_P): Likewise.
6975         (arc_compute_function_type): Delete prototype.
6976         * config/arc/arc.md (in_ret_delay_slot): Use
6977         arc_return_address_register function.
6978         (simple_return): Likewise.
6979         (p_return_i): Likewise.
6980
6981 2017-07-17  Jakub Jelinek  <jakub@redhat.com>
6982
6983         PR tree-optimization/81428
6984         * match.pd (X / X -> one): Don't optimize _Fract divisions, as 1
6985         can't be built for those types.
6986
6987 2017-07-17  Georg-Johann Lay  <avr@gjlay.de>
6988
6989         Remove stuff dead since r239246.
6990
6991         * config/avr/avr-arch.h (avr_inform_devices): Remove dead proto.
6992         * config/avr/avr-devices.c (mcu_name, comparator, avr_mcus_str)
6993         (avr_inform_devices): Remove dead stuff.
6994
6995 2017-07-17  Tamar Christina  <tamar.christina@arm.com>
6996
6997         * config/arm/arm_neon.h: Fix softp typo.
6998
6999 2017-07-17  Jakub Jelinek  <jakub@redhat.com>
7000
7001         PR tree-optimization/81365
7002         * tree-ssa-phiprop.c (propagate_with_phi): When considering hoisting
7003         aggregate moves onto bb predecessor edges, make sure there are no
7004         loads that could alias the lhs in between the start of bb and the
7005         loads from *phi.
7006
7007 2017-07-17  Georg-Johann Lay  <avr@gjlay.de>
7008
7009         PR 80929
7010         * config/avr/avr.c (avr_mul_highpart_cost): New static function.
7011         (avr_rtx_costs_1) [TRUNCATE]: Use it to compute mul_highpart cost.
7012         [LSHIFTRT, outer_code = TRUNCATE]: Same.
7013
7014 2017-07-17  Jakub Jelinek  <jakub@redhat.com>
7015
7016         PR tree-optimization/81396
7017         * tree-ssa-math-opts.c (struct symbolic_number): Add n_ops field.
7018         (init_symbolic_number): Initialize it to 1.
7019         (perform_symbolic_merge): Add n_ops from both operands into the new
7020         n_ops.
7021         (find_bswap_or_nop): Don't consider n->n == cmpnop computations
7022         without base_addr as useless if they need more than one operation.
7023         (bswap_replace): Handle !bswap case for NULL base_addr.
7024
7025 2017-07-17  Tom de Vries  <tom@codesourcery.com>
7026
7027         PR target/81069
7028         * config/nvptx/nvptx.c (nvptx_single): Insert diverging branch as late
7029         as possible.
7030
7031 2017-07-17  Sebastian Huber  <sebastian.huber@embedded-brains.de>
7032
7033         * config/sparc/rtemself.h (TARGET_OS_CPP_BUILTINS): Add
7034         conditional builtin define __FIX_LEON3FT_B2BST.
7035
7036 2017-07-17  Daniel Cederman  <cederman@gaisler.com>
7037
7038         * config/sparc/t-rtems: Add mfix-gr712rc multilibs. Replace
7039         MULTILIB_EXCEPTIONS with MULTILIB_REQUIRED. Match -mfix-gr712rc
7040         with -mfix-ut700.
7041
7042 2017-07-16  Eric Botcazou  <ebotcazou@adacore.com>
7043
7044         PR rtl-optimization/81424
7045         * optabs.c (prepare_cmp_insn): Use copy_to_reg instead of force_reg
7046         to remove potential trapping from operands if -fnon-call-exceptions.
7047
7048 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
7049
7050         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Use
7051         profile_proability for scalling.
7052         * scale_profile_for_vect_loop.c (scale_profile_for_vect_loop): Likewise.
7053
7054 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
7055
7056         * cgraph.c (cgraph_edge::redirect_call_stmt_to_caller): Cleanup.
7057
7058 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
7059
7060         * cfgloopmanip.c (scale_loop_profile): Avoid use of REG_BR_PROB_BASE
7061         fixpoint arithmetics.
7062
7063 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
7064
7065         * tree-ssa-loop-unswitch.c (hoist_guard): Avoid use of REG_BR_PROB_BASE
7066         fixpoint arithmetics.
7067
7068 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
7069
7070         * asan.c (create_cond_insert_point): Avoid use of REG_BR_PROB_BASE
7071         fixpoint arithmetics.
7072
7073 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
7074
7075         * profile-count.h (profile_probability::from_reg_br_prob_note,
7076         profile_probability::to_reg_br_prob_note): New functions.
7077         * doc/rtl.texi (REG_BR_PROB_NOTE): Update documentation.
7078         * reg-notes.h (REG_BR_PROB, REG_BR_PRED): Update docs.
7079         * predict.c (probability_reliable_p): Update.
7080         (edge_probability_reliable_p): Update.
7081         (br_prob_note_reliable_p): Update.
7082         (invert_br_probabilities): Update.
7083         (add_reg_br_prob_note): New function.
7084         (combine_predictions_for_insn): Update.
7085         * asan.c (asan_clear_shadow): Update.
7086         * cfgbuild.c (compute_outgoing_frequencies): Update.
7087         * cfgrtl.c (force_nonfallthru_and_redirect): Update.
7088         (update_br_prob_note): Update.
7089         (rtl_verify_edges): Update.
7090         (purge_dead_edges): Update.
7091         (fixup_reorder_chain): Update.
7092         * emit-rtl.c (try_split): Update.
7093         * ifcvt.c (cond_exec_process_insns): Update.
7094         (cond_exec_process_if_block): Update.
7095         (dead_or_predicable): Update.
7096         * internal-fn.c (expand_addsub_overflow): Update.
7097         (expand_neg_overflow): Update.
7098         (expand_mul_overflow): Update.
7099         * loop-doloop.c (doloop_modify): Update.
7100         * loop-unroll.c (compare_and_jump_seq): Update.
7101         * optabs.c (emit_cmp_and_jump_insn_1): Update.
7102         * predict.h: Update.
7103         * reorg.c (mostly_true_jump): Update.
7104         * rtl.h: Update.
7105         * config/aarch64/aarch64.c (aarch64_emit_unlikely_jump): Update.
7106         * config/alpha/alpha.c (emit_unlikely_jump): Update.
7107         * config/arc/arc.c: (emit_unlikely_jump): Update.
7108         * config/arm/arm.c: (emit_unlikely_jump): Update.
7109         * config/bfin/bfin.c (cbranch_predicted_taken_p): Update.
7110         * config/frv/frv.c (frv_print_operand_jump_hint): Update.
7111         * config/i386/i386.c (ix86_expand_split_stack_prologue): Update.
7112         (ix86_print_operand): Update.
7113         (ix86_split_fp_branch): Update.
7114         (predict_jump): Update.
7115         * config/ia64/ia64.c (ia64_print_operand): Update.
7116         * config/mmix/mmix.c (mmix_print_operand): Update.
7117         * config/powerpcspe/powerpcspe.c (output_cbranch): Update.
7118         (rs6000_expand_split_stack_prologue): Update.
7119         * config/rs6000/rs6000.c: Update.
7120         * config/s390/s390.c (s390_expand_vec_strlen): Update.
7121         (s390_expand_vec_movstr): Update.
7122         (s390_expand_cs_tdsi): Update.
7123         (s390_expand_split_stack_prologue): Update.
7124         * config/sh/sh.c (sh_print_operand): Update.
7125         (expand_cbranchsi4): Update.
7126         (expand_cbranchdi4): Update.
7127         * config/sparc/sparc.c (output_v9branch): Update.
7128         * config/spu/spu.c (get_branch_target): Update.
7129         (ea_load_store_inline): Update.
7130         * config/tilegx/tilegx.c (cbranch_predicted_p): Update.
7131         * config/tilepro/tilepro.c: Update.
7132
7133 2017-07-16  Eric Botcazou  <ebotcazou@adacore.com>
7134
7135         * gimplify.c (mostly_copy_tree_r): Revert latest change.
7136         (gimplify_save_expr): Likewise.
7137
7138 2017-07-07  Jan Hubicka  <hubicka@ucw.cz>
7139
7140         * ipa-visibility.c (function_and_variable_visibility): Fix pasto.
7141
7142 2017-07-07  Jan Hubicka  <hubicka@ucw.cz>
7143
7144         * ipa-fnsummary.c (pass_data_ipa_fn_summary): Use
7145         TV_IPA_FNSUMMARY.
7146         * timevar.def (TV_IPA_FNSUMMARY): Define.
7147
7148 2017-07-16  Daniel Cederman  <cederman@gaisler.com>
7149
7150         * config/sparc/sparc.md (divdf3_fix): Add NOP to prevent back
7151         to back store errata sensitive sequence from being generated.
7152         (sqrtdf2_fix): Likewise.
7153
7154 2017-07-07  Jan Hubicka  <hubicka@ucw.cz>
7155
7156         * tree-ssa-threadupdate.c (compute_path_counts,
7157         update_joiner_offpath_counts): Use profile_probability.
7158
7159 2017-07-15  Thomas Preud'homme  <thomas.preudhomme@arm.com>
7160
7161         Revert:
7162         2017-07-14  Thomas Preud'homme  <thomas.preudhomme@arm.com>
7163
7164         * config/arm/arm-c.c (arm_cpu_builtins): Define
7165         __ARM_FEATURE_NUMERIC_MAXMIN solely based on TARGET_VFP5.
7166
7167 2017-07-14  Kelvin Nilsen  <kelvin@gcc.gnu.org>
7168
7169         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
7170         array entries to represent __ieee128 versions of the
7171         scalar_test_data_class, scalar_test_neg, scalar_extract_exp,
7172         scalar_extract_sig, and scalar_insert_exp built-in functions.
7173         (altivec_resolve_overloaded_builtin): Add special case handling
7174         for the __builtin_scalar_insert_exp function, as represented by
7175         the P9V_BUILTIN_VEC_VSIEDP constant.
7176         * config/rs6000/rs6000-builtin.def (VSEEQP): Add scalar extract
7177         exponent support for __ieee128 argument.
7178         (VSESQP): Add scalar extract signature support for __ieee128
7179         argument.
7180         (VSTDCNQP): Add scalar test negative support for __ieee128
7181         argument.
7182         (VSIEQP): Add scalar insert exponent support for __int128 argument
7183         with __ieee128 result.
7184         (VSIEQPF): Add scalar insert exponent support for __ieee128
7185         argument with __ieee128 result.
7186         (VSTDCQP): Add scalar test data class support for __ieee128
7187         argument.
7188         (VSTDCNQP): Add overload support for scalar test negative with
7189         __ieee128 argument.
7190         (VSTDCQP): Add overload support for scalar test data class
7191         __ieee128 argument.
7192         * config/rs6000/vsx.md (UNSPEC_VSX_SXSIG) Replace
7193         UNSPEC_VSX_SXSIGDP.
7194         (UNSPEC_VSX_SIEXPQP): New constant.
7195         (xsxexpqp): New insn for VSX scalar extract exponent quad
7196         precision.
7197         (xsxsigqp): New insn for VSX scalar extract significand quad
7198         precision.
7199         (xsiexpqpf): New insn for VSX scalar insert exponent quad
7200         precision with floating point argument.
7201         (xststdcqp): New expand for VSX scalar test data class quad
7202         precision.
7203         (xststdcnegqp): New expand for VSX scalar test negative quad
7204         precision.
7205         (xststdcqp): New insn to match expansions for VSX scalar test data
7206         class quad precision and VSX scalar test negative quad precision.
7207         * config/rs6000/rs6000.c (rs6000_expand_binop_builtin): Add
7208         special case operand checking to enforce that second operand of
7209         VSX scalar test data class with quad precision argument is a 7-bit
7210         unsigned literal.
7211         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Add
7212         prototypes and descriptions of __ieee128 versions of
7213         scalar_extract_exp, scalar_extract_sig, scalar_insert_exp,
7214         scalar_test_data_class, and scalar_test_neg built-in functions.
7215
7216 2016-07-14  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7217
7218         PR tree-optimization/81162
7219         * gimple-ssa-strength-reduction.c (replace_mult_candidate): Don't
7220         replace a negate with an add.
7221
7222 2017-07-14  James Greenhalgh  <james.greenhalgh@arm.com>
7223
7224         * doc/invoke.texi (arm/-mcpu): Document +crypto.
7225
7226 2017-07-14  Thomas Preud'homme  <thomas.preudhomme@arm.com>
7227
7228         * config/arm/arm-c.c (arm_cpu_builtins): Define
7229         __ARM_FEATURE_NUMERIC_MAXMIN solely based on TARGET_VFP5.
7230
7231 2017-07-14  Thomas Preud'homme  <thomas.preudhomme@arm.com>
7232
7233         * config/arm/arm-cpus.in (cortex-r52): Add new entry.
7234         (armv8-r): Set ARM Cortex-R52 as default CPU.
7235         * config/arm/arm-tables.opt: Regenerate.
7236         * config/arm/arm-tune.md: Regenerate.
7237         * config/arm/driver-arm.c (arm_cpu_table): Add entry for ARM
7238         Cortex-R52.
7239         * doc/invoke.texi: Mention -mtune=cortex-r52 and availability of fp.dp
7240         extension for -mcpu=cortex-r52.
7241
7242 2017-07-14  Thomas Preud'homme  <thomas.preudhomme@arm.com>
7243
7244         * config/arm/arm-isa.h (isa_bit_FP_ARMv8): Delete enumerator.
7245         (ISA_FP_ARMv8): Define as ISA_FPv5 and ISA_FP_D32.
7246         * config/arm/arm-cpus.in (armv8-r): Define fp.sp as enabling FPv5.
7247         (fp-armv8): Define it as FP_ARMv8 only.
7248         config/arm/arm.h (TARGET_FPU_ARMV8): Delete.
7249         (TARGET_VFP_FP16INST): Define using TARGET_VFP5 rather than
7250         TARGET_FPU_ARMV8.
7251         config/arm/arm.c (arm_rtx_costs_internal): Replace checks against
7252         TARGET_FPU_ARMV8 by checks against TARGET_VFP5.
7253         * config/arm/arm-builtins.c (arm_builtin_vectorized_function): Define
7254         first ARM_CHECK_BUILTIN_MODE definition using TARGET_VFP5 rather
7255         than TARGET_FPU_ARMV8.
7256         * config/arm/arm-c.c (arm_cpu_builtins): Likewise for
7257         __ARM_FEATURE_NUMERIC_MAXMIN macro definition.
7258         * config/arm/arm.md (cmov<mode>): Condition on TARGET_VFP5 rather than
7259         TARGET_FPU_ARMV8.
7260         * config/arm/neon.md (neon_vrint): Likewise.
7261         (neon_vcvt): Likewise.
7262         (neon_<fmaxmin_op><mode>): Likewise.
7263         (<fmaxmin><mode>3): Likewise.
7264         * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Likewise.
7265         * config/arm/predicates.md (arm_cond_move_operator): Check against
7266         TARGET_VFP5 rather than TARGET_FPU_ARMV8 and fix spacing.
7267
7268 2017-07-14  Jackson Woodruff  <jackson.woodruff@arm.com>
7269
7270         * config/aarch64/aarch64.c (aarch64_print_operand): Move comments
7271         to top of function.
7272
7273 2017-07-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7274
7275         * gimple-ssa-store-merging.c (clear_bit_region): Replace reference to
7276         loop in comment with memset.
7277
7278 2017-07-14  Martin Liska  <mliska@suse.cz>
7279
7280         * cfgexpand.c (expand_gimple_basic_block): Remove dead comment.
7281         * dwarf2out.c (is_java): Remove the function.
7282         (output_pubname): Remove usage of the function.
7283         (lower_bound_default): Remove usage of DW_LANG_Java.
7284         (gen_compile_unit_die): Likewise.
7285         * gcc.c: Remove compiler defaults for .java and .zip files.
7286         * gimple-expr.c (remove_suffix): Change as there's no longer
7287         extension than 4-letter one.
7288         * gimplify.c (mostly_copy_tree_r): Remove Java-special part.
7289         (gimplify_save_expr): Likewise.
7290         * ipa-utils.h (polymorphic_type_binfo_p): Remove the comment
7291         as it's possible even for other languages than Java.
7292         * langhooks.h (struct lang_hooks): Remove Java from a comment.
7293         * lto-opts.c (lto_write_options): Remove reference to Java.
7294         * opts.c (strip_off_ending): Update file extension handling.
7295         * tree-cfg.c (verify_gimple_call): Remove comment with Java.
7296         * tree-eh.c (lower_resx): Likewise.
7297         * tree.c (free_lang_data_in_type): Remove dead code.
7298         (find_decls_types_r): Likewise.
7299         (build_common_builtin_nodes): Remove Java from a comment.
7300         (verify_type): Remove dead code.
7301         * varasm.c (assemble_external): Remove Java from a comment.
7302
7303 2017-07-14  Martin Liska  <mliska@suse.cz>
7304
7305         * opts.c (finish_options): Add quotes.
7306         (common_handle_option): Likewise.
7307
7308 2017-07-14  Martin Liska  <mliska@suse.cz>
7309
7310         * dbxout.c (get_lang_number): Do not handle GNU Pascal.
7311         * dbxout.h (extern void dbxout_stab_value_internal_label_diff):
7312         Remove N_SO_PASCAL.
7313         * dwarf2out.c (lower_bound_default): Do not handle
7314         DW_LANG_Pascal83.
7315         (gen_compile_unit_die): Likewise.
7316         * gcc.c: Remove default extension binding for GNU Pascal.
7317         * stmt.c: Remove Pascal language from a comment.
7318         * xcoffout.c: Likewise.
7319
7320 2017-07-13  David Malcolm  <dmalcolm@redhat.com>
7321
7322         PR c/81405
7323         * diagnostic-show-locus.c (fixit_cmp): New function.
7324         (layout::layout): Sort m_fixit_hints.
7325         (column_range::column_range): Assert that the values are valid.
7326         (struct char_span): New struct.
7327         (correction::overwrite): New method.
7328         (struct source_line): New struct.
7329         (line_corrections::add_hint): Add assertions.  Reimplement memcpy
7330         calls in terms of classes source_line and char_span, and
7331         correction::overwrite.
7332         (selftest::test_overlapped_fixit_printing_2): New function.
7333         (selftest::diagnostic_show_locus_c_tests): Call it.
7334
7335 2017-07-13  Will Schmidt  <will_schmidt@vnet.ibm.com>
7336
7337         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Return
7338         early if there is no lhs.
7339
7340 2017-07-13  Martin Liska  <mliska@suse.cz>
7341
7342         * dwarf2out.c (gen_pointer_type_die): Remove dead code.
7343         (gen_reference_type_die): Likewise.
7344         * stor-layout.c: Remove Pascal-related comment.
7345
7346 2017-07-13  Martin Liska  <mliska@suse.cz>
7347
7348         * opts.c (finish_options): Add quotes to error messages.
7349         (parse_sanitizer_options): Likewise.
7350
7351 2017-07-13  Thomas Preud'homme  <thomas.preudhomme@arm.com>
7352
7353         * doc/invoke.texi (armv8-r): Document +fp.sp ARMv8-R extension.
7354
7355 2017-07-13  Richard Earnshaw  <rearnsha@arm.com>
7356
7357         * config/arm/vxworks.h (TARGET_ENDIAN_DEFAULT): Define.
7358
7359 2017-07-13  Maxim Ostapenko  <m.ostapenko@samsung.com>
7360
7361         * asan.c (asan_emit_allocas_unpoison): Use ptr_mode for arguments
7362         during expansion.
7363         * builtins.c (expand_asan_emit_allocas_unpoison): Likewise.
7364
7365 2017-07-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
7366
7367         PR target/81193
7368         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): If GLIBC
7369         provides the hardware capability bits, define the macro
7370         __BUILTIN_CPU_SUPPORTS__.
7371         * config/rs6000/rs6000.c (cpu_expand_builtin): Generate a warning
7372         if GLIBC does not provide the hardware capability bits.  Add a
7373         gcc_unreachable call if the built-in cpu function is neither
7374         __builtin_cpu_is nor __builtin_cpu_supports.
7375         (rs6000_get_function_versions_dispatcher): Change the warning
7376         that an old GLIBC is used which does not export the capability
7377         bits to be an error.
7378         * doc/extend.texi (target_clones attribute): Document the
7379         restriction that GLIBC 2.23 or newer is needed on the PowerPC.
7380         (PowerPC built-in functions): Document that GLIBC 2.23 or newer is
7381         needed by __builtin_cpu_is and __builtin_cpu_supports.  Document
7382         the macros defined by GCC if the newer GLIBC is available.
7383
7384 2017-07-12  Jeff Law  <law@redhat.com>
7385
7386         * config/riscv/riscv.c: Remove unnecessary includes.  Reorder
7387         remaining includes slightly.
7388         * config/riscv/riscv-builtins.c: Include profile-count.h.
7389
7390 2017-07-12  Georg-Johann Lay  <avr@gjlay.de>
7391
7392         PR target/79883
7393         * config/avr/avr.c (avr_set_current_function): In diagnostic
7394         messages: Quote keywords and (parts of) identifiers.
7395         [WITH_AVRLIBC]: Warn for functions named "ISR", "SIGNAL" or
7396         "INTERUPT".
7397
7398 2017-07-12  Carl Love  <cel@us.ibm.com>
7399
7400         * config/rs6000/rs6000-c.c: Add support for built-in functions
7401         vector bool char vec_revb (vector bool char);
7402         vector bool short vec_revb (vector short char);
7403         vector bool int vec_revb (vector bool int);
7404         vector bool long long vec_revb (vector bool long long);
7405         * doc/extend.texi: Update the built-in documentation file for the
7406         new built-in functions.
7407
7408 2017-07-12  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7409
7410         * config/s390/s390.md: Remove movcc splitter.
7411
7412 2017-07-12  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7413
7414         * config/s390/s390.c (s390_rtx_costs): Return proper costs for
7415         load/store on condition.
7416
7417 2017-07-12  Georg-Johann Lay  <avr@gjlay.de>
7418
7419         PR target/81407
7420         * config/avr/avr.c (avr_encode_section_info)
7421         [progmem && !TREE_READONLY]: Error if progmem object needs
7422         constructing.
7423
7424 2017-07-11  Michael Collison  <michael.collison@arm.com>
7425
7426         * config/aarch64/aarch64-simd.md (aarch64_sub<mode>_compare0):
7427         New pattern.
7428
7429 2017-07-11  Carl Love  <cel@us.ibm.com>
7430
7431         * config/rs6000/rs6000-c.c: Add support for builtins
7432         vector unsigned int vec_parity_lsbb (vector signed int);
7433         vector unsigned int vec_parity_lsbb (vector unsigned int);
7434         vector unsigned __int128 vec_parity_lsbb (vector signed __int128);
7435         vector unsigned __int128 vec_parity_lsbb (vector unsigned __int128);
7436         vector unsigned long long vec_parity_lsbb (vector signed long long);
7437         vector unsigned long long vec_parity_lsbb (vector unsigned long long);
7438         * config/rs6000/rs6000-builtin.def (VPARITY_LSBB): Add BU_P9V_OVERLOAD1.
7439         * config/rs6000/altivec.h (vec_parity_lsbb): Add define.
7440         * doc/extend.texi: Update the built-in documentation file for the
7441         new built-in functions.
7442
7443 2017-07-11  David Malcolm  <dmalcolm@redhat.com>
7444
7445         * diagnostic-show-locus.c: Include "gcc-rich-location.h".
7446         (layout::m_primary_loc): New field.
7447         (layout::layout): Initialize new field.  Move location filtering
7448         logic from here to...
7449         (layout::maybe_add_location_range): ...this new method.  Add
7450         support for filtering to just the lines already specified by other
7451         locations.
7452         (layout::will_show_line_p): New method.
7453         (gcc_rich_location::add_location_if_nearby): New method.
7454         (selftest::test_add_location_if_nearby): New test function.
7455         (selftest::diagnostic_show_locus_c_tests): Call it.
7456         * gcc-rich-location.h (gcc_rich_location::add_location_if_nearby):
7457         New method.
7458
7459 2017-07-11  Tom de Vries  <tom@codesourcery.com>
7460
7461         * config/nvptx/nvptx.c (WORKAROUND_PTXJIT_BUG): New macro.
7462         (bb_first_real_insn): New function.
7463         (nvptx_single): Add extra initialization of broadcasted condition
7464         variables.
7465
7466 2017-07-11  Nathan Sidwell  <nathan@acm.org>
7467
7468         * dwarf2out.c (gen_member_die): Remove useless check for anon ctors.
7469
7470 2017-07-11  Georg-Johann Lay  <avr@gjlay.de>
7471
7472         * doc/extend.texi (AVR Function Attributes): Remove weblink to
7473         Binutils doc as TEXI will mess them up.
7474         * doc/invoke.texi (AVR Options): Same here.
7475
7476 2017-07-11  Daniel Cederman  <cederman@gaisler.com>
7477
7478         * config/sparc/sparc.opt (mfix-ut700): New option.
7479         (mfix-gr712rc): Likewise.
7480         (sparc_fix_b2bst): New variable.
7481         * doc/invoke.texi (SPARC options): Document them.
7482         (ARM options): Fix warnings.
7483         * config/sparc/sparc.c (sparc_do_work_around_errata): Insert NOP
7484         instructions to prevent sequences that can trigger the store-store
7485         errata for certain LEON3FT processors.
7486         (pass_work_around_errata::gate): Also test sparc_fix_b2bst.
7487         (sparc_option_override): Set sparc_fix_b2bst appropriately.
7488         * config/sparc/sparc.md (fix_b2bst): New attribute.
7489         (in_branch_delay): Prevent stores in delay slot if fix_b2bst.
7490
7491 2017-07-10  Uros Bizjak  <ubizjak@gmail.com>
7492
7493         PR target/81375
7494         * config/i386/i386.md (divsf3): Add TARGET_SSE to TARGET_SSE_MATH.
7495         (rcpps): Ditto.
7496         (*rsqrtsf2_sse): Ditto.
7497         (rsqrtsf2): Ditto.
7498         (div<mode>3): Macroize insn from divdf3 and divsf3
7499         using MODEF mode iterator.
7500
7501 2017-07-10  Martin Sebor  <msebor@redhat.com>
7502
7503         PR tree-optimization/80397
7504         * gimple-ssa-sprintf.c (format_integer): Use INTEGRAL_TYPE_P()
7505         instead of testing for equality to INTEGER_TYPE.
7506
7507 2017-07-10  Vineet Gupta <vgupta@synopsys.com>
7508
7509         * config.gcc: Remove uclibc from arc target spec.
7510
7511 2017-07-10  Claudiu Zissulescu  <claziss@synopsys.com>
7512
7513         * config/arc/arc.h (ADDITIONAL_REGISTER_NAMES): Define.
7514
7515 2017-07-07  Jan Hubicka  <hubicka@ucw.cz>
7516
7517         PR lto/80838
7518         * lto-wrapper.c (remove_option): New function.
7519         (merge_and_complain): Merge PIC/PIE options more realistically.
7520
7521 2017-07-10  Georg-Johann Lay  <avr@gjlay.de>
7522
7523         Better ISR prologues by supporting GASes __gcc_isr pseudo insn.
7524
7525         PR target/20296
7526         PR target/81268
7527         * configure.ac [target=avr]: Add GAS check for -mgcc-isr.
7528         (HAVE_AS_AVR_MGCCISR_OPTION):  If so, AC_DEFINE it.
7529         * config.in: Regenerate.
7530         * configure: Regenerate.
7531         * doc/extend.texi (AVR Function Attributes) <no_gccisr>: Document it.
7532         * doc/invoke.texi (AVR Options) <-mgas-isr-prologues>: Document it.
7533         * config/avr/avr.opt (-mgas-isr-prologues): New option and...
7534         (TARGET_GASISR_PROLOGUES): ...target mask.
7535         * common/config/avr/avr-common.c
7536         (avr_option_optimization_table) [OPT_LEVELS_1_PLUS_NOT_DEBUG]:
7537         Set -mgas-isr-prologues.
7538         * config/avr/avr-passes.def (avr_pass_pre_proep): Add
7539         INSERT_PASS_BEFORE for it.
7540         * config/avr/avr-protos.h (make_avr_pass_pre_proep): New proto.
7541         * config/avr/avr.c (avr_option_override)
7542         [!HAVE_AS_AVR_MGCCISR_OPTION]: Unset TARGET_GASISR_PROLOGUES.
7543         (avr_no_gccisr_function_p, avr_hregs_split_reg): New static functions.
7544         (avr_attribute_table) <no_gccisr>: Add new function attribute.
7545         (avr_set_current_function) <is_no_gccisr>: Init machine field.
7546         (avr_pass_data_pre_proep, avr_pass_pre_proep): New pass data
7547         and rtl_opt_pass.
7548         (make_avr_pass_pre_proep): New function.
7549         (emit_push_sfr) <treg>: Add argument to function and use it
7550         instead of TMP_REG.
7551         (avr_expand_prologue) [machine->gasisr.maybe]: Emit gasisr insn
7552         and set machine->gasisr.yes.
7553         (avr_expand_epilogue) [machine->gasisr.yes]: Similar.
7554         (avr_asm_function_end_prologue) [machine->gasisr.yes]: Add
7555         __gcc_isr.n_pushed to .L__stack_usage.
7556         (TARGET_ASM_FINAL_POSTSCAN_INSN): Define to...
7557         (avr_asm_final_postscan_insn): ...this new static function.
7558         * config/avr/avr.h (machine_function)
7559         <is_no_gccisr, use_L__stack_usage>: New fields.
7560         <gasisr, gasisr.yes, gasisr.maybe, gasisr.regno>: New fields.
7561         * config/avr/avr.md (UNSPECV_GASISR): Add unspecv enum.
7562         (GASISR_Prologue, GASISR_Epilogue, GASISR_Done): New define_constants.
7563         (gasisr, *gasisr): New expander and insn.
7564         * config/avr/gen-avr-mmcu-specs.c (print_mcu)
7565         [HAVE_AS_AVR_MGCCISR_OPTION]: Print asm_gccisr spec.
7566         * config/avr/specs.h (ASM_SPEC) <asm_gccisr>: Add sub spec.
7567
7568 2017-07-10  Richard Earnshaw  <rearnsha@arm.com>
7569
7570         * config/arm/parsecpu.awk (gen_comm_data): Do not escape single quotes
7571         in quoted strings.
7572
7573 2017-07-10  Georg-Johann Lay  <avr@gjlay.de>
7574
7575         Move jump-tables out of .text again.
7576
7577         PR target/81075
7578         * config/avr/avr.c (ASM_OUTPUT_ADDR_VEC_ELT): Remove function.
7579         (ASM_OUTPUT_ADDR_VEC): New function.
7580         (avr_adjust_insn_length) [JUMP_TABLE_DATA_P]: Return 0.
7581         (avr_final_prescan_insn) [avr_log.insn_addresses]: Dump
7582         INSN_ADDRESSes as asm comment.
7583         * config/avr/avr.h (JUMP_TABLES_IN_TEXT_SECTION): Adjust comment.
7584         (ASM_OUTPUT_ADDR_VEC_ELT): Remove define.
7585         (ASM_OUTPUT_ADDR_VEC): Define to avr_output_addr_vec.
7586         * config/avr/avr.md (*tablejump): Adjust comment.
7587         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
7588         * config/avr/avr-log.c (avr_log_set_avr_log) <insn_addresses>:
7589         New detail.
7590         * config/avr/avr-protos.h (avr_output_addr_vec_elt): Remove proto.
7591         (avr_output_addr_vec): New proto.
7592         (avr_log_t) <insn_addresses>: New field.
7593
7594 2017-07-09  H.J. Lu  <hongjiu.lu@intel.com>
7595
7596         PR target/81313
7597         * config/i386/i386.c (ix86_function_arg_advance): Set
7598         outgoing_args_on_stack to true if there are outgoing arguments
7599         on stack.
7600         (ix86_function_arg): Likewise.
7601         (ix86_get_drap_rtx): Use DRAP only if there are outgoing
7602         arguments on stack and ACCUMULATE_OUTGOING_ARGS is false.
7603         * config/i386/i386.h (machine_function): Add
7604         outgoing_args_on_stack.
7605
7606 2017-07-09  Krister Walfridsson  <krister.walfridsson@gmail.com>
7607
7608         * config.gcc (*-*-netbsd*): Remove check for NetBSD versions not
7609         supporting pthreds.
7610         * config/netbsd.h (NETBSD_LIBGCC_SPEC): Always enable pthreads.
7611
7612 2017-07-08  Richard Sandiford  <richard.sandiford@linaro.org>
7613
7614         * Makefile.in (HOOKS_H, RTL_BASE_H, FUNCTION_H, EXPR_H, REGS_H)
7615         (REAL_H): Remove $(MACHMODE_H).
7616         (FIXED_VALUE_H, TREE_CORE_H, CFGLOOP_H): Remove $(MACHMODE_H) and
7617         double-int.h.
7618         (CORETYPES_H): Add signop.h, wide-int.h, wide-int-print.h,
7619         $(MACHMODE_H) and double-int.h.
7620         (build/min-insn-modes.o): Depend on $(CORETYPES_H) rather than
7621         $(MACHMODE_H).
7622         (gengtype-state.o, gengtype.o, build/gengtype.o): Don't depend on
7623         double-int.h.
7624
7625 2017-07-07  Andrew Pinski  <apinski@cavium.com>
7626
7627         * config/aarch64/aarch64.c (aarch_macro_fusion_pair_p): Check
7628         prev_set and curr_set for AARCH64_FUSE_ALU_BRANCH.
7629
7630 2017-07-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
7631
7632         * config/rs6000/rs6000.c (rs6000_get_function_versions_dispatcher):
7633         Add warning if GCC was not configured to link against a GLIBC that
7634         exports the hardware capability bits.
7635         (make_resolver_func): Make resolver function private and not a
7636         COMDAT function.  Create the name with clone_function_name instead
7637         of make_unique_name.
7638
7639         PR target/81348
7640         * config/rs6000/rs6000.md (HI sign_extend splitter): Use the
7641         correct operand in doing the split.
7642
7643 2017-07-07 Carl Love  <cel@us.ibm.com>
7644
7645         * config/rs6000/rs6000-c: Add support for built-in function
7646         vector unsigned short vec_pack_to_short_fp32 (vector float,
7647                                                       vector float).
7648         * config/rs6000/rs6000-builtin.def (CONVERT_4F32_8I16): Add
7649         BU_P9V_AV_2 and BU_P9V_OVERLOAD_2 definitions.
7650         * config/rs6000/altivec.h (vec_pack_to_short_fp32): Add define.
7651         * config/rs6000/altivec.md(UNSPEC_CONVERT_4F32_8I16): Add UNSPEC.
7652         (convert_4f32_8i16): Add define_expand.
7653         * doc/extend.texi: Update the built-in documentation file for the
7654         new built-in function.
7655
7656 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
7657
7658         * config/sparc/m8.md: New file.
7659         * config/sparc/sparc.md: Include m8.md.
7660
7661 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
7662
7663         * config/sparc/sparc.opt: New option -mvis4b.
7664         * config/sparc/sparc.c (dump_target_flag_bits): Handle MASK_VIS4B.
7665         (sparc_option_override): Handle VIS4B.
7666         (enum sparc_builtins): Define
7667         SPARC_BUILTIN_DICTUNPACK{8,16,32},
7668         SPARC_BUILTIN_FPCMP{LE,GT,EQ,NE}{8,16,32}SHL,
7669         SPARC_BUILTIN_FPCMPU{LE,GT}{8,16,32}SHL,
7670         SPARC_BUILTIN_FPCMPDE{8,16,32}SHL and
7671         SPARC_BUILTIN_FPCMPUR{8,16,32}SHL.
7672         (check_constant_argument): New function.
7673         (sparc_vis_init_builtins): Define builtins
7674         __builtin_vis_dictunpack{8,16,32},
7675         __builtin_vis_fpcmp{le,gt,eq,ne}{8,16,32}shl,
7676         __builtin_vis_fpcmpu{le,gt}{8,16,32}shl,
7677         __builtin_vis_fpcmpde{8,16,32}shl and
7678         __builtin_vis_fpcmpur{8,16,32}shl.
7679         (sparc_expand_builtin): Check that the constant operands to
7680         __builtin_vis_fpcmp*shl and _builtin_vis_dictunpack* are indeed
7681         constant and in range.
7682         * config/sparc/sparc-c.c (sparc_target_macros): Handle
7683         TARGET_VIS4B.
7684         * config/sparc/sparc.h (SPARC_IMM2_P): Define.
7685         (SPARC_IMM5_P): Likewise.
7686         * config/sparc/sparc.md (cpu_feature): Add new feagure "vis4b".
7687         (enabled): Handle vis4b.
7688         (UNSPEC_DICTUNPACK): New unspec.
7689         (UNSPEC_FPCMPSHL): Likewise.
7690         (UNSPEC_FPUCMPSHL): Likewise.
7691         (UNSPEC_FPCMPDESHL): Likewise.
7692         (UNSPEC_FPCMPURSHL): Likewise.
7693         (cpu_feature): New CPU feature `vis4b'.
7694         (dictunpack{8,16,32}): New insns.
7695         (FPCSMODE): New mode iterator.
7696         (fpcscond): New code iterator.
7697         (fpcsucond): Likewise.
7698         (fpcmp{le,gt,eq,ne}{8,16,32}{si,di}shl): New insns.
7699         (fpcmpu{le,gt}{8,16,32}{si,di}shl): Likewise.
7700         (fpcmpde{8,16,32}{si,di}shl): Likewise.
7701         (fpcmpur{8,16,32}{si,di}shl): Likewise.
7702         * config/sparc/constraints.md: Define constraints `q' for unsigned
7703         2-bit integer constants and `t' for unsigned 5-bit integer
7704         constants.
7705         * config/sparc/predicates.md (imm5_operand_dictunpack8): New
7706         predicate.
7707         (imm5_operand_dictunpack16): Likewise.
7708         (imm5_operand_dictunpack32): Likewise.
7709         (imm2_operand): Likewise.
7710         * doc/invoke.texi (SPARC Options): Document -mvis4b.
7711         * doc/extend.texi (SPARC VIS Built-in Functions): Document the
7712         ditunpack* and fpcmp*shl builtins.
7713
7714 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
7715
7716         * config.gcc: Handle m8 in --with-{cpu,tune} options.
7717         * config.in: Add HAVE_AS_SPARC6 define.
7718         * config/sparc/driver-sparc.c (cpu_names): Add entry for the SPARC
7719         M8.
7720         * config/sparc/sol2.h (CPP_CPU64_DEFAULT_SPEC): Define for
7721         TARGET_CPU_m8.
7722         (ASM_CPU32_DEFAUILT_SPEC): Likewise.
7723         (CPP_CPU_SPEC): Handle m8.
7724         (ASM_CPU_SPEC): Likewise.
7725         * config/sparc/sparc-opts.h (enum processor_type): Add
7726         PROCESSOR_M8.
7727         * config/sparc/sparc.c (m8_costs): New struct.
7728         (sparc_option_override): Handle TARGET_CPU_m8.
7729         (sparc32_initialize_trampoline): Likewise.
7730         (sparc64_initialize_trampoline): Likewise.
7731         (sparc_issue_rate): Likewise.
7732         (sparc_register_move_cost): Likewise.
7733         * config/sparc/sparc.h (TARGET_CPU_m8): Define.
7734         (CPP_CPU64_DEFAULT_SPEC): Define for M8.
7735         (ASM_CPU64_DEFAULT_SPEC): Likewise.
7736         (CPP_CPU_SPEC): Handle M8.
7737         (ASM_CPU_SPEC): Likewise.
7738         (AS_M8_FLAG): Define.
7739         * config/sparc/sparc.md: Add m8 to the cpu attribute.
7740         * config/sparc/sparc.opt: New option -mcpu=m8 for sparc targets.
7741         * configure.ac (HAVE_AS_SPARC6): Check for assembler support for
7742         M8 instructions.
7743         * configure: Regenerate.
7744         * doc/invoke.texi (SPARC Options): Document -mcpu=m8 and
7745         -mtune=m8.
7746
7747 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
7748
7749         * config/sparc/niagara7.md: Rework the DFA scheduler to use insn
7750         subtypes.
7751         * config/sparc/sparc.md: Remove the `v3pipe' insn attribute.
7752         ("*movdi_insn_sp32"): Do not set v3pipe.
7753         ("*movsi_insn"): Likewise.
7754         ("*movdi_insn_sp64"): Likewise.
7755         ("*movsf_insn"): Likewise.
7756         ("*movdf_insn_sp32"): Likewise.
7757         ("*movdf_insn_sp64"): Likewise.
7758         ("*zero_extendsidi2_insn_sp64"): Likewise.
7759         ("*sign_extendsidi2_insn"): Likewise.
7760         ("*mov<VM32:mode>_insn"): Likewise.
7761         ("*mov<VM64:mode>_insn_sp64"): Likewise.
7762         ("*mov<VM64:mode>_insn_sp32"): Likewise.
7763         ("<plusminus_insn><VADDSUB:mode>3"): Likewise.
7764         ("<vlop:code><VL:mode>3"): Likewise.
7765         ("*not_<vlop:code><VL:mode>3"): Likewise.
7766         ("*nand<VL:mode>_vis"): Likewise.
7767         ("*<vlnotop:code>_not1<VL:mode>_vis"): Likewise.
7768         ("*<vlnotop:code>_not2<VL:mode>_vis"): Likewise.
7769         ("one_cmpl<VL:mode>2"): Likewise.
7770         ("faligndata<VM64:mode>_vis"): Likewise.
7771         ("alignaddrsi_vis"): Likewise.
7772         ("alignaddrdi_vis"): Likweise.
7773         ("alignaddrlsi_vis"): Likewise.
7774         ("alignaddrldi_vis"): Likewise.
7775         ("fcmp<gcond:code><GCM:gcm_name><P:mode>_vis"): Likewise.
7776         ("bmaskdi_vis"): Likewise.
7777         ("bmasksi_vis"): Likewise.
7778         ("bshuffle<VM64:mode>_vis"): Likewise.
7779         ("cmask8<P:mode>_vis"): Likewise.
7780         ("cmask16<P:mode>_vis"): Likewise.
7781         ("cmask32<P:mode>_vis"): Likewise.
7782         ("pdistn<P:mode>_vis"): Likewise.
7783         ("<vis3_addsub_ss_patname><VASS:mode>3"): Likewise.
7784
7785 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
7786
7787         * config/sparc/sparc.md ("subtype"): New insn attribute.
7788         ("*wrgsr_sp64"): Set insn subtype.
7789         ("*rdgsr_sp64"): Likewise.
7790         ("alignaddrsi_vis"): Likewise.
7791         ("alignaddrdi_vis"): Likewise.
7792         ("alignaddrlsi_vis"): Likewise.
7793         ("alignaddrldi_vis"): Likewise.
7794         ("<plusminus_insn><VADDSUB:mode>3"): Likewise.
7795         ("fexpand_vis"): Likewise.
7796         ("fpmerge_vis"): Likewise.
7797         ("faligndata<VM64:mode>_vis"): Likewise.
7798         ("bshuffle<VM64:mode>_vis"): Likewise.
7799         ("cmask8<P:mode>_vis"): Likewise.
7800         ("cmask16<P:mode>_vis"): Likewise.
7801         ("cmask32<P:mode>_vis"): Likewise.
7802         ("fchksm16_vis"): Likewise.
7803         ("v<vis3_shift_patname><GCM:mode>3"): Likewise.
7804         ("fmean16_vis"): Likewise.
7805         ("fp<plusminus_insn>64_vis"): Likewise.
7806         ("<plusminus_insn>v8qi3"): Likewise.
7807         ("<vis3_addsub_ss_patname><VASS:mode>3"): Likewise.
7808         ("<vis4_minmax_patname><VMMAX:mode>3"): Likewise.
7809         ("<vis4_uminmax_patname><VMMAX:mode>3"): Likewise.
7810         ("<vis3_addsub_ss_patname>v8qi3"): Likewise.
7811         ("<vis4_addsub_us_patname><VAUS:mode>3"): Likewise.
7812         ("*movqi_insn"): Likewise.
7813         ("*movhi_insn"): Likewise.
7814         ("*movsi_insn"): Likewise.
7815         ("movsi_pic_gotdata_op"): Likewise.
7816         ("*movdi_insn_sp32"): Likewise.
7817         ("*movdi_insn_sp64"): Likewise.
7818         ("movdi_pic_gotdata_op"): Likewise.
7819         ("*movsf_insn"): Likewise.
7820         ("*movdf_insn_sp32"): Likewise.
7821         ("*movdf_insn_sp64"): Likewise.
7822         ("*zero_extendhisi2_insn"): Likewise.
7823         ("*zero_extendqihi2_insn"): Likewise.
7824         ("*zero_extendqisi2_insn"): Likewise.
7825         ("*zero_extendqidi2_insn"): Likewise.
7826         ("*zero_extendhidi2_insn"): Likewise.
7827         ("*zero_extendsidi2_insn_sp64"): Likewise.
7828         ("ldfsr"): Likewise.
7829         ("prefetch_64"): Likewise.
7830         ("prefetch_32"): Likewise.
7831         ("tie_ld32"): Likewise.
7832         ("tie_ld64"): Likewise.
7833         ("*tldo_ldub_sp32"): Likewise.
7834         ("*tldo_ldub1_sp32"): Likewise.
7835         ("*tldo_ldub2_sp32"): Likewise.
7836         ("*tldo_ldub_sp64"): Likewise.
7837         ("*tldo_ldub1_sp64"): Likewise.
7838         ("*tldo_ldub2_sp64"): Likewise.
7839         ("*tldo_ldub3_sp64"): Likewise.
7840         ("*tldo_lduh_sp32"): Likewise.
7841         ("*tldo_lduh1_sp32"): Likewise.
7842         ("*tldo_lduh_sp64"): Likewise.
7843         ("*tldo_lduh1_sp64"): Likewise.
7844         ("*tldo_lduh2_sp64"): Likewise.
7845         ("*tldo_lduw_sp32"): Likewise.
7846         ("*tldo_lduw_sp64"): Likewise.
7847         ("*tldo_lduw1_sp64"): Likewise.
7848         ("*tldo_ldx_sp64"): Likewise.
7849         ("*mov<VM32:mode>_insn"): Likewise.
7850         ("*mov<VM64:mode>_insn_sp64"): Likewise.
7851         ("*mov<VM64:mode>_insn_sp32"): Likewise.
7852
7853 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
7854
7855         * config/sparc/sparc.md ("type"): New insn type viscmp.
7856         ("fcmp<gcond:code><GCM:gcm_name><P:mode>_vis"): Set insn type to
7857         viscmp.
7858         ("fpcmp<gcond:code>8<P:mode>_vis"): Likewise.
7859         ("fucmp<gcond:code>8<P:mode>_vis"): Likewise.
7860         ("fpcmpu<gcond:code><GCM:gcm_name><P:mode>_vis"): Likewise.
7861         * config/sparc/niagara7.md ("n7_vis_logical_v3pipe"): Handle
7862         viscmp.
7863         ("n7_vis_logical_11cycle"): Likewise.
7864         * config/sparc/niagara4.md ("n4_vis_logical"): Likewise.
7865         * config/sparc/niagara2.md ("niag3_vis": Likewise.
7866         * config/sparc/niagara.md ("niag_vis"): Likewise.
7867         * config/sparc/ultra3.md ("us3_fga"): Likewise.
7868         * config/sparc/ultra1_2.md ("us1_fga_double"): Likewise.
7869
7870 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
7871
7872         * config/sparc/sparc.md: New instruction type `bmask'.
7873         (bmaskdi_vis): Use the `bmask' type.
7874         (bmasksi_vis): Likewise.
7875         * config/sparc/ultra3.md (us3_array): Likewise.
7876         * config/sparc/niagara7.md (n7_array): Likewise.
7877         * config/sparc/niagara4.md (n4_array): Likewise.
7878         * config/sparc/niagara2.md (niag2_vis): Likewise.
7879         (niag3_vis): Likewise.
7880         * config/sparc/niagara.md (niag_vis): Likewise.
7881
7882 2017-07-06  Jan Hubicka  <hubicka@ucw.cz>
7883
7884         * ipa-comdats.c: Remove optimize check from gate.
7885         * ipa-fnsummary.c (ipa_fn_summary_generate): do not generate summary
7886         for functions not optimized.
7887         (ipa_fn_summary_read): Skip optimize check.
7888         (ipa_fn_summary_write): Likewise.
7889         * ipa-inline-analysis.c (do_estimate_growth_1): Check that caller
7890         is optimized.
7891         * ipa-inline.c (can_inline_edge_p): Not optimized functions are
7892         uninlinable.
7893         (can_inline_edge_p): Check flag_pcc_struct_return for match.
7894         (check_callers): Give up on caller which is not optimized.
7895         (inline_small_functions): Likewise.
7896         (ipa_inline): Do not give up when not optimizing.
7897         * ipa-visbility.c (function_and_variable_visibility): Do not optimize
7898         away unoptimizes cdtors.
7899         (whole_program_function_and_variable_visibility): Do
7900         ipa_discover_readonly_nonaddressable_vars in LTO mode.
7901         * ipa.c (process_references): Do not check optimize.
7902         (symbol_table::remove_unreachable_nodes): Update optimize check.
7903         (set_writeonly_bit): Update optimize check.
7904         (pass_ipa_cdtor_merge::gate): Do not check optimize.
7905         (pass_ipa_single_use::gate): Remove.
7906
7907 2017-07-06  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
7908
7909         * config/rs6000/rs6000.c (union_defs, union_uses, insn_is_load_p,
7910         insn_is_store_p, insn_is_swap_p, const_load_sequence_p, v2df_reduction_p,
7911         rtx_is_swappable_p, insn_is_swappable_p, chain_contains_only_swaps,
7912         mark_swaps_for_removal, swap_const_vector_halves, adjust_subreg_index,
7913         permute_load, permute_store, adjust_extract, adjust_splat,
7914         adjust_xxpermdi, adjust_concat, adjust_vperm, handle_special_swappables,
7915         replace_swap_with_copy, dump_swap_insn_table,
7916         alignment_with_canonical_addr, alignment_mask, find_alignment_op,
7917         recombine_lvx_pattern, recombine_stvx_pattern,
7918         recombine_lvx_stvx_patterns, rs6000_analyze_swaps,
7919         make_pass_analyze_swaps): Move all code related to p8 swap optimizations
7920         to file rs6000-p8swap.c.
7921         * config/rs6000/rs6000-p8swap.c: New file.
7922         * config/rs6000/t-rs6000: Add rule to build rs6000-p8swap.o.
7923         * config.gcc: Add rs6000-p8swap.o to extra_objs for powerpc*-*-*
7924         and rs6000*-*-* targets.
7925
7926 2017-07-06  David Malcolm  <dmalcolm@redhat.com>
7927
7928         * Makefile.in (selftest): Remove dependency on s-selftest-c++.
7929
7930 2017-07-06  Jan Hubicka  <hubicka@ucw.cz>
7931
7932         * lto-wrapper.c (merge_and_complain): Do not merge
7933         fexceptions, fnon_call_exceptions, ftrapv, ffp_contract_, fmath_errno,
7934         fsigned_zeros, ftrapping_math, fwrapv.
7935         (append_compiler_options): Do not track these options.
7936         (append_linker_options): Likewie
7937
7938 2017-07-06  Jan Hubicka  <hubicka@ucw.cz>
7939
7940         * cgraphunit.c (cgraph_node::finalize_function): When
7941         !flag_toplevel_reorde set no_reorder flag.
7942         (varpool_node::finalize_decl): Likewise.
7943         (symbol_table::compile): Drop no toplevel reorder path.
7944
7945 2017-07-06  Jan Hubicka  <hubicka@ucw.cz>
7946
7947         * bb-reorder.c (better_edge_p): Do not build traces across abnormal/eh
7948         edges; zero probability is not better than uninitialized.
7949
7950 2017-07-06  Maxim Ostapenko  <m.ostapenko@samsung.com>
7951
7952         * asan.h (asan_sanitize_allocas_p): Declare.
7953         * asan.c (asan_sanitize_allocas_p): New function.
7954         (handle_builtin_stack_restore): Bail out if !asan_sanitize_allocas_p.
7955         (handle_builtin_alloca): Likewise.
7956         * cfgexpand.c (expand_used_vars): Do not add allocas unpoisoning stuff
7957         if !asan_sanitize_allocas_p.
7958         * params.def (asan-instrument-allocas): Add new option.
7959         * params.h (ASAN_PROTECT_ALLOCAS): Define.
7960         * opts.c (common_handle_option): Disable allocas sanitization for
7961         KASan by default.
7962
7963 2017-07-06  Maxim Ostapenko  <m.ostapenko@samsung.com>
7964
7965         * asan.c: Include gimple-fold.h.
7966         (get_last_alloca_addr): New function.
7967         (handle_builtin_stackrestore): Likewise.
7968         (handle_builtin_alloca): Likewise.
7969         (asan_emit_allocas_unpoison): Likewise.
7970         (get_mem_refs_of_builtin_call): Add new parameter, remove const
7971         quallifier from first paramerer. Handle BUILT_IN_ALLOCA,
7972         BUILT_IN_ALLOCA_WITH_ALIGN and BUILT_IN_STACK_RESTORE builtins.
7973         (instrument_builtin_call): Pass gimple iterator to
7974         get_mem_refs_of_builtin_call.
7975         (last_alloca_addr): New global.
7976         * asan.h (asan_emit_allocas_unpoison): Declare.
7977         * builtins.c (expand_asan_emit_allocas_unpoison): New function.
7978         (expand_builtin): Handle BUILT_IN_ASAN_ALLOCAS_UNPOISON.
7979         * cfgexpand.c (expand_used_vars): Call asan_emit_allocas_unpoison
7980         if function calls alloca.
7981         * gimple-fold.c (replace_call_with_value): Remove static keyword.
7982         * gimple-fold.h (replace_call_with_value): Declare.
7983         * internal-fn.c: Include asan.h.
7984         * sanitizer.def (BUILT_IN_ASAN_ALLOCA_POISON,
7985         BUILT_IN_ASAN_ALLOCAS_UNPOISON): New builtins.
7986
7987 2017-07-06  David Malcolm  <dmalcolm@redhat.com>
7988
7989         * Makefile.in (SELFTEST_FLAGS): Drop "-x c", moving it to...
7990         (C_SELFTEST_FLAGS): New.
7991         (CPP_SELFTEST_FLAGS): New.
7992         (SELFTEST_DEPS): New, from deps of s-selftest.
7993         (C_SELFTEST_DEPS): New, from deps of s-selftest.
7994         (CPP_SELFTEST_DEPS): New.
7995         (selftest): Add dependency on s-selftest-c++.
7996         (s-selftest): Rename to...
7997         (s-selftest-c): ...this, moving deps to SELFTEST_DEPS
7998         and C_SELFTEST_DEPS, and using C_SELFTEST_FLAGS rather
7999         than SELFTEST_FLAGS.
8000         (selftest-gdb): Rename to...
8001         (selftest-c-gdb): ...this, using C_SELFTEST_DEPS and
8002         C_SELFTEST_FLAGS.
8003         (selftest-gdb): Reintroduce as an alias for selftest-c-gdb.
8004         (selftest-valgrind): Rename to...
8005         (selftest-c-valgrind): ...this, using C_SELFTEST_DEPS and
8006         C_SELFTEST_FLAGS.
8007         (selftest-valgrind): Reintroduce as an alias for
8008         selftest-c-valgrind.
8009         (s-selftest-c++): New.
8010         (selftest-c++-gdb): New.
8011         (selftest-c++-valgrind): New.
8012
8013 2017-07-06  Olivier Hainque  <hainque@adacore.com>
8014
8015         * gcc.c (process_command): When deciding if undefined variables
8016         should be ignored when processing specs, accept "gcc -v" as well.
8017
8018 2017-07-06  Jan Hubicka  <hubicka@ucw.cz>
8019
8020         * auto-profile.c (afdo_set_bb_count, afdo_propagate_edge,
8021         afdo_annotate_cfg): Set counts/probabilities as determined by afdo.
8022
8023 2017-07-06  Thomas Preud'homme  <thomas.preudhomme@arm.com>
8024
8025         * config/arm/arm-cpus.in (armv8-r): Add new entry.
8026         * config/arm/arm-isa.h (ISA_ARMv8r): Define macro.
8027         * config/arm/arm-tables.opt: Regenerate.
8028         * config/arm/arm.h (enum base_architecture): Add BASE_ARCH_8R
8029         enumerator.
8030         * doc/invoke.texi: Mention -march=armv8-r and its extensions.
8031
8032 2017-07-06  Carl Love  <cel@us.ibm.com>
8033
8034         * ChangeLog: Clean up from mid air collision
8035
8036 2017-07-06  Carl Love  <cel@us.ibm.com>
8037
8038         * config/rs6000/rs6000-c.c: Add support for built-in functions
8039         vector signed int vec_subc (vector signed int, vector signed int);
8040         vector signed __int128 vec_subc (vector signed __int128,
8041                                          vector signed __int128);
8042         vector unsigned __int128 vec_subc (vector unsigned __int128,
8043                                            vector unsigned __int128);
8044         vector signed int vec_sube (vector signed int, vector signed int,
8045                                     vector signed int);
8046         vector unsigned int vec_sube (vector unsigned int,
8047                                       vector unsigned int,
8048                                       vector unsigned int);
8049         vector signed __int128 vec_sube (vector signed __int128,
8050                                          vector signed __int128,
8051                                          vector signed__int128);
8052         vector unsigned __int128 vec_sube (vector unsigned __int128,
8053                                            vector unsigned __int128,
8054                                            vector unsigned __int128);
8055         vector signed int vec_subec (vector signed int, vector signed int,
8056                                      vector signed int);
8057         vector unsigned int vec_subec (vector unsigned int,
8058                                        vector unsigned int,
8059                                        vector unsigned int);
8060         vector signed __int128 vec_subec (vector signed __int128,
8061                                           vector signed __int128,
8062                                           vector signed__int128);
8063         vector unsigned __int128 vec_subec (vector unsigned __int128,
8064                                             vector unsigned __int128,
8065                                             vector unsigned __int128);
8066         * config/rs6000/rs6000.c (ALTIVEC_BUILTIN_VEC_SUBE,
8067         ALTIVEC_BUILTIN_VEC_SUBEC): Add ef_builtins.
8068         * config/rs6000/rs6000-builtin.def (SUBE, SUBEC): Add
8069         BU_ALTIVEC_OVERLOAD_X definitions.
8070         * config/rs6000/altivec.h (vec_sube, vec_subec): Add builtin defines.
8071         * doc/extend.texi: Update the built-in documentation file for the new
8072         built-in functions.
8073
8074 2017-07-06  David Malcolm  <dmalcolm@redhat.com>
8075
8076         PR c++/79300
8077         * diagnostic-show-locus.c (layout::layout): Use start and finish
8078         spelling location for the start and finish of each range.
8079         * genmatch.c (linemap_client_expand_location_to_spelling_point):
8080         Add unused aspect param.
8081         * input.c (expand_location_1): Add "aspect" param, and use it
8082         to access the correct part of the location.
8083         (expand_location): Pass LOCATION_ASPECT_CARET to new param of
8084         expand_location_1.
8085         (expand_location_to_spelling_point): Likewise.
8086         (linemap_client_expand_location_to_spelling_point): Add "aspect"
8087         param, and pass it to expand_location_1.
8088
8089 2017-07-06  Sebastian Peryt  <sebastian.peryt@intel.com>
8090
8091         * config/i386/avx512fintrin.h (_mm_mask_getexp_round_ss,
8092         _mm_maskz_getexp_round_ss, _mm_mask_getexp_round_sd,
8093         _mm_maskz_getexp_round_sd, _mm_mask_getmant_round_sd,
8094         _mm_maskz_getmant_round_sd, _mm_mask_getmant_round_ss,
8095         _mm_maskz_getmant_round_ss, _mm_mask_getexp_ss, _mm_maskz_getexp_ss,
8096         _mm_mask_getexp_sd, _mm_maskz_getexp_sd, _mm_mask_getmant_sd,
8097         _mm_maskz_getmant_sd, _mm_mask_getmant_ss,
8098         _mm_maskz_getmant_ss): New intrinsics.
8099         (__builtin_ia32_getexpss128_mask): Changed to ...
8100         __builtin_ia32_getexpss128_round ... this.
8101         (__builtin_ia32_getexpsd128_mask): Changed to ...
8102         __builtin_ia32_getexpsd128_round ... this.
8103         * config/i386/i386-builtin-types.def
8104         ((V2DF, V2DF, V2DF, INT, V2DF, UQI, INT),
8105         (V4SF, V4SF, V4SF, INT, V4SF, UQI, INT)): New function type aliases.
8106         * config/i386/i386-builtin.def (__builtin_ia32_getexpsd_mask_round,
8107         __builtin_ia32_getexpss_mask_round,     __builtin_ia32_getmantsd_mask_round,
8108         __builtin_ia32_getmantss_mask_round): New builtins.
8109         * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_INT_V2DF_UQI_INT,
8110         V4SF_FTYPE_V4SF_V4SF_INT_V4SF_UQI_INT): Handle new types.
8111         (CODE_FOR_avx512f_vgetmantv2df_mask_round,
8112         CODE_FOR_avx512f_vgetmantv4sf_mask_round): New cases.
8113         * config/i386/sse.md
8114         (avx512f_sgetexp<mode><round_saeonly_name>): Changed to ...
8115         avx512f_sgetexp<mode><mask_scalar_name>
8116         <round_saeonly_scalar_name> ... this.
8117         (vgetexp<ssescalarmodesuffix>\t{<round_saeonly_op3>%2, %1, %0|
8118         %0, %1, %2<round_saeonly_op3>}): Changed to ...
8119         vgetexp<ssescalarmodesuffix>
8120         \t{<round_saeonly_scalar_mask_op3>%2, %1, %0<mask_scalar_operand3>|
8121         %0<mask_scalar_operand3>, %1, %2<round_saeonly_scalar_mask_op3>} ... this.
8122         (avx512f_vgetmant<mode><round_saeonly_name>): Changed to ...
8123         avx512f_vgetmant<mode><mask_scalar_name>
8124         <round_saeonly_scalar_name> ... this.
8125         (vgetmant<ssescalarmodesuffix>\t{%3, <round_saeonly_op4>%2, %1, %0|
8126         %0, %1, %2<round_saeonly_op4>, %3}): Changed to ...
8127         vgetmant<ssescalarmodesuffix>
8128         \t{%3, <round_saeonly_scalar_mask_op4>%2, %1, %0<mask_scalar_operand4>|
8129         %0<mask_scalar_operand4>, %1, %2
8130         <round_saeonly_scalar_mask_op4>, %3} ... this.
8131         * config/i386/subst.md (mask_scalar_operand4,
8132         round_saeonly_scalar_mask_operand4,     round_saeonly_scalar_mask_op4,
8133         round_saeonly_scalar_nimm_predicate): New subst attributes.
8134
8135 2017-07-06  Julia Koval  <julia.koval@intel.com>
8136
8137         * config/i386/i386.c (ix86_erase_embedded_rounding):
8138         Remove code for old rounding pattern.
8139
8140 2017-07-06  Richard Earnshaw  <rearnsha@arm.com>
8141
8142         * config/arm/t-arm (GTM_H): Add arm-cpu.h.
8143
8144 2017-07-06  Christophe Lyon  <christophe.lyon@linaro.org>
8145
8146         * doc/sourcebuild.texi (Test Directives, Variants of
8147         dg-require-support): Add documentation for dg-require-stack-check.
8148
8149 2017-07-05  Sebastian Peryt  <sebastian.peryt@intel.com>
8150
8151         * config/i386/subst.md (mask_scalar, round_scalar,
8152         round_saeonly_scalar): New meta-templates.
8153         (mask_scalar_name, mask_scalar_operand3, round_scalar_name,
8154         round_scalar_mask_operand3, round_scalar_mask_op3,
8155         round_scalar_constraint, round_scalar_prefix, round_saeonly_scalar_name,
8156         round_saeonly_scalar_mask_operand3, round_saeonly_scalar_mask_op3,
8157         round_saeonly_scalar_constraint,
8158         round_saeonly_scalar_prefix): New subst attribute.
8159         * config/i386/sse.md
8160         (<sse>_vm<plusminus_insn><mode>3<mask_name><round_name>): Renamed to ...
8161         <sse>_vm<plusminus_insn><mode>3<mask_scalar_name>
8162         <round_scalar_name> ... this.
8163         (<sse>_vm<multdiv_mnemonic><mode>3<mask_name><round_name>): Renamed to ...
8164         <sse>_vm<multdiv_mnemonic><mode>3<mask_scalar_name>
8165         <round_scalar_name> ... this.
8166         (<sse>_vm<code><mode>3<mask_name><round_saeonly_name>): Renamed to ...
8167         <sse>_vm<code><mode>3<mask_scalar_name>
8168         <round_saeonly_scalar_name> ... this.
8169         (v<plusminus_mnemonic><ssescalarmodesuffix>
8170         \t{<round_mask_op3>%2, %1, %0<mask_operand3>|
8171         %0<mask_operand3>, %1, %<iptr>2<round_mask_op3>}): Changed to ...
8172         v<plusminus_mnemonic><ssescalarmodesuffix>
8173         \t{<round_scalar_mask_op3>%2, %1, %0<mask_scalar_operand3>|
8174         %0<mask_scalar_operand3>, %1, %<iptr>2<round_scalar_mask_op3>} ... this.
8175         (v<multdiv_mnemonic><ssescalarmodesuffix>
8176         \t{<round_mask_op3>%2, %1, %0<mask_operand3>|
8177         %0<mask_operand3>, %1, %<iptr>2<round_mask_op3>}): Changed to ...
8178         v<multdiv_mnemonic><ssescalarmodesuffix>
8179         \t{<round_scalar_mask_op3>%2, %1, %0<mask_scalar_operand3>|
8180         %0<mask_scalar_operand3>, %1, %<iptr>2<round_scalar_mask_op3>} ... this.
8181         (v<maxmin_float><ssescalarmodesuffix>
8182         \t{<round_saeonly_mask_op3>%2, %1, %0<mask_operand3>|
8183         %0<mask_operand3>, %1, %<iptr>2<round_saeonly_mask_op3>}): Changed to ...
8184         v<maxmin_float><ssescalarmodesuffix>
8185         \t{<round_saeonly_scalar_mask_op3>%2, %1, %0<mask_scalar_operand3>|
8186         %0<mask_scalar_operand3>, %1, %<iptr>2
8187         <round_saeonly_scalar_mask_op3>} ... this.
8188
8189 2017-07-05  Richard Earnshaw  <rearnsha@arm.com>
8190
8191         * config/arm/arm.c (arm_fixed_condition_code_regs): New function.
8192         (TARGET_FIXED_CONDITION_CODE_REGS): Redefine.
8193
8194 2017-07-05  Richard Sandiford  <richard.sandiford@linaro.org>
8195             Alan Hayward  <alan.hayward@arm.com>
8196             David Sherwood  <david.sherwood@arm.com>
8197
8198         * combine.c (simplify_if_then_else): Remove "enum" before
8199         "machine_mode".
8200         * compare-elim.c (can_eliminate_compare): Likewise.
8201         * config/aarch64/aarch64-builtins.c (aarch64_simd_builtin_std_type):
8202         Likewise.
8203         (aarch64_lookup_simd_builtin_type): Likewise.
8204         (aarch64_simd_builtin_type): Likewise.
8205         (aarch64_init_simd_builtin_types): Likewise.
8206         (aarch64_simd_expand_args): Likewise.
8207         * config/aarch64/aarch64-protos.h (aarch64_simd_attr_length_rglist):
8208         Likewise.
8209         (aarch64_reverse_mask): Likewise.
8210         (aarch64_simd_emit_reg_reg_move): Likewise.
8211         (aarch64_gen_adjusted_ldpstp): Likewise.
8212         (aarch64_ccmp_mode_to_code): Likewise.
8213         (aarch64_operands_ok_for_ldpstp): Likewise.
8214         (aarch64_operands_adjust_ok_for_ldpstp): Likewise.
8215         * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class):
8216         Likewise.
8217         (aarch64_min_divisions_for_recip_mul): Likewise.
8218         (aarch64_reassociation_width): Likewise.
8219         (aarch64_get_condition_code_1): Likewise.
8220         (aarch64_simd_emit_reg_reg_move): Likewise.
8221         (aarch64_simd_attr_length_rglist): Likewise.
8222         (aarch64_reverse_mask): Likewise.
8223         (aarch64_operands_ok_for_ldpstp): Likewise.
8224         (aarch64_operands_adjust_ok_for_ldpstp): Likewise.
8225         (aarch64_gen_adjusted_ldpstp): Likewise.
8226         * config/aarch64/cortex-a57-fma-steering.c (fma_node::rename):
8227         Likewise.
8228         * config/arc/arc.c (legitimate_offset_address_p): Likewise.
8229         * config/arm/arm-builtins.c (arm_simd_builtin_std_type): Likewise.
8230         (arm_lookup_simd_builtin_type): Likewise.
8231         (arm_simd_builtin_type): Likewise.
8232         (arm_init_simd_builtin_types): Likewise.
8233         (arm_expand_builtin_args): Likewise.
8234         * config/arm/arm-protos.h (arm_expand_builtin): Likewise.
8235         * config/ft32/ft32.c (ft32_libcall_value): Likewise.
8236         (ft32_setup_incoming_varargs): Likewise.
8237         (ft32_function_arg): Likewise.
8238         (ft32_function_arg_advance): Likewise.
8239         (ft32_pass_by_reference): Likewise.
8240         (ft32_arg_partial_bytes): Likewise.
8241         (ft32_valid_pointer_mode): Likewise.
8242         (ft32_addr_space_pointer_mode): Likewise.
8243         (ft32_addr_space_legitimate_address_p): Likewise.
8244         * config/i386/i386-protos.h (ix86_operands_ok_for_move_multiple):
8245         Likewise.
8246         * config/i386/i386.c (ix86_setup_incoming_vararg_bounds): Likewise.
8247         (ix86_emit_outlined_ms2sysv_restore): Likewise.
8248         (iamcu_alignment): Likewise.
8249         (canonicalize_vector_int_perm): Likewise.
8250         (ix86_noce_conversion_profitable_p): Likewise.
8251         (ix86_mpx_bound_mode): Likewise.
8252         (ix86_operands_ok_for_move_multiple): Likewise.
8253         * config/microblaze/microblaze-protos.h
8254         (microblaze_expand_conditional_branch_reg): Likewise.
8255         * config/microblaze/microblaze.c
8256         (microblaze_expand_conditional_branch_reg): Likewise.
8257         * config/powerpcspe/powerpcspe.c (rs6000_init_hard_regno_mode_ok):
8258         Likewise.
8259         (rs6000_reassociation_width): Likewise.
8260         (rs6000_invalid_binary_op): Likewise.
8261         (fusion_p9_p): Likewise.
8262         (emit_fusion_p9_load): Likewise.
8263         (emit_fusion_p9_store): Likewise.
8264         * config/riscv/riscv-protos.h (riscv_regno_mode_ok_for_base_p):
8265         Likewise.
8266         (riscv_hard_regno_mode_ok_p): Likewise.
8267         (riscv_address_insns): Likewise.
8268         (riscv_split_symbol): Likewise.
8269         (riscv_legitimize_move): Likewise.
8270         (riscv_function_value): Likewise.
8271         (riscv_hard_regno_nregs): Likewise.
8272         (riscv_expand_builtin): Likewise.
8273         * config/riscv/riscv.c (riscv_build_integer_1): Likewise.
8274         (riscv_build_integer): Likewise.
8275         (riscv_split_integer): Likewise.
8276         (riscv_legitimate_constant_p): Likewise.
8277         (riscv_cannot_force_const_mem): Likewise.
8278         (riscv_regno_mode_ok_for_base_p): Likewise.
8279         (riscv_valid_base_register_p): Likewise.
8280         (riscv_valid_offset_p): Likewise.
8281         (riscv_valid_lo_sum_p): Likewise.
8282         (riscv_classify_address): Likewise.
8283         (riscv_legitimate_address_p): Likewise.
8284         (riscv_address_insns): Likewise.
8285         (riscv_load_store_insns): Likewise.
8286         (riscv_force_binary): Likewise.
8287         (riscv_split_symbol): Likewise.
8288         (riscv_force_address): Likewise.
8289         (riscv_legitimize_address): Likewise.
8290         (riscv_move_integer): Likewise.
8291         (riscv_legitimize_const_move): Likewise.
8292         (riscv_legitimize_move): Likewise.
8293         (riscv_address_cost): Likewise.
8294         (riscv_subword): Likewise.
8295         (riscv_output_move): Likewise.
8296         (riscv_canonicalize_int_order_test): Likewise.
8297         (riscv_emit_int_order_test): Likewise.
8298         (riscv_function_arg_boundary): Likewise.
8299         (riscv_pass_mode_in_fpr_p): Likewise.
8300         (riscv_pass_fpr_single): Likewise.
8301         (riscv_pass_fpr_pair): Likewise.
8302         (riscv_get_arg_info): Likewise.
8303         (riscv_function_arg): Likewise.
8304         (riscv_function_arg_advance): Likewise.
8305         (riscv_arg_partial_bytes): Likewise.
8306         (riscv_function_value): Likewise.
8307         (riscv_pass_by_reference): Likewise.
8308         (riscv_setup_incoming_varargs): Likewise.
8309         (riscv_print_operand): Likewise.
8310         (riscv_elf_select_rtx_section): Likewise.
8311         (riscv_save_restore_reg): Likewise.
8312         (riscv_for_each_saved_reg): Likewise.
8313         (riscv_register_move_cost): Likewise.
8314         (riscv_hard_regno_mode_ok_p): Likewise.
8315         (riscv_hard_regno_nregs): Likewise.
8316         (riscv_class_max_nregs): Likewise.
8317         (riscv_memory_move_cost): Likewise.
8318         * config/rl78/rl78-protos.h (rl78_split_movsi): Likewise.
8319         * config/rl78/rl78.c (rl78_split_movsi): Likewise.
8320         (rl78_addr_space_address_mode): Likewise.
8321         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
8322         Likewise.
8323         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Likewise.
8324         (rs6000_reassociation_width): Likewise.
8325         (rs6000_invalid_binary_op): Likewise.
8326         (fusion_p9_p): Likewise.
8327         (emit_fusion_p9_load): Likewise.
8328         (emit_fusion_p9_store): Likewise.
8329         * config/visium/visium-protos.h (prepare_move_operands): Likewise.
8330         (ok_for_simple_move_operands): Likewise.
8331         (ok_for_simple_move_strict_operands): Likewise.
8332         (ok_for_simple_arith_logic_operands): Likewise.
8333         (visium_legitimize_reload_address): Likewise.
8334         (visium_select_cc_mode): Likewise.
8335         (output_cbranch): Likewise.
8336         (visium_split_double_move): Likewise.
8337         (visium_expand_copysign): Likewise.
8338         (visium_expand_int_cstore): Likewise.
8339         (visium_expand_fp_cstore): Likewise.
8340         * config/visium/visium.c (visium_pass_by_reference): Likewise.
8341         (visium_function_arg): Likewise.
8342         (visium_function_arg_advance): Likewise.
8343         (visium_libcall_value): Likewise.
8344         (visium_setup_incoming_varargs): Likewise.
8345         (visium_legitimate_constant_p): Likewise.
8346         (visium_legitimate_address_p): Likewise.
8347         (visium_legitimize_address): Likewise.
8348         (visium_secondary_reload): Likewise.
8349         (visium_register_move_cost): Likewise.
8350         (visium_memory_move_cost): Likewise.
8351         (prepare_move_operands): Likewise.
8352         (ok_for_simple_move_operands): Likewise.
8353         (ok_for_simple_move_strict_operands): Likewise.
8354         (ok_for_simple_arith_logic_operands): Likewise.
8355         (visium_function_value_1): Likewise.
8356         (rtx_ok_for_offset_p): Likewise.
8357         (visium_legitimize_reload_address): Likewise.
8358         (visium_split_double_move): Likewise.
8359         (visium_expand_copysign): Likewise.
8360         (visium_expand_int_cstore): Likewise.
8361         (visium_expand_fp_cstore): Likewise.
8362         (visium_split_cstore): Likewise.
8363         (visium_select_cc_mode): Likewise.
8364         (visium_split_cbranch): Likewise.
8365         (output_cbranch): Likewise.
8366         (visium_print_operand_address): Likewise.
8367         * expmed.c (flip_storage_order): Likewise.
8368         * expmed.h (emit_cstore): Likewise.
8369         (flip_storage_order): Likewise.
8370         * genrecog.c (validate_pattern): Likewise.
8371         * hsa-gen.c (gen_hsa_addr): Likewise.
8372         * internal-fn.c (expand_arith_overflow): Likewise.
8373         * ira-color.c (allocno_copy_cost_saving): Likewise.
8374         * lra-assigns.c (find_hard_regno_for_1): Likewise.
8375         * lra-constraints.c (prohibited_class_reg_set_mode_p): Likewise.
8376         (process_invariant_for_inheritance): Likewise.
8377         * lra-eliminations.c (move_plus_up): Likewise.
8378         * omp-low.c (lower_oacc_reductions): Likewise.
8379         * simplify-rtx.c (simplify_subreg): Likewise.
8380         * target.def (TARGET_SETUP_INCOMING_VARARG_BOUNDS): Likewise.
8381         (TARGET_CHKP_BOUND_MODE): Likewise..
8382         * targhooks.c (default_chkp_bound_mode): Likewise.
8383         (default_setup_incoming_vararg_bounds): Likewise.
8384         * targhooks.h (default_chkp_bound_mode): Likewise.
8385         (default_setup_incoming_vararg_bounds): Likewise.
8386         * tree-ssa-math-opts.c (divmod_candidate_p): Likewise.
8387         * tree-vect-loop.c (calc_vec_perm_mask_for_shift): Likewise.
8388         (have_whole_vector_shift): Likewise.
8389         * tree-vect-stmts.c (vectorizable_load): Likewise.
8390         * doc/tm.texi: Regenerate.
8391
8392 2017-07-05  Georg-Johann Lay  <avr@gjlay.de>
8393
8394         Graceful degrade if Binutils PR21472 is not available.
8395
8396         PR target/81072
8397         * configure.ac [target=avr]: WARN instead of ERROR if avrxmega3
8398         .rodata in flash test fails.
8399         (HAVE_LD_AVR_AVRXMEGA3_RODATA_IN_FLASH): Define it if test passes.
8400         * confgure: Regenerate.
8401         * config.in: Regenerate.
8402         * config/avr/avr.c (avr_asm_named_section)
8403         [HAVE_LD_AVR_AVRXMEGA3_RODATA_IN_FLASH]: Only trigger
8404         __do_copy_data for stuff in .rodata if flash_pm_offset = 0.
8405         (avr_asm_init_sections): Same.
8406
8407 2017-07-05  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
8408
8409         * config/arm/neon.md (fma<VCVTF:mode>4): Remove %?.
8410         (fma<VH:mode>4_intrinsic): Likewise.
8411         (*fmsub<VCVTF:mode>4): Likewise.
8412         (*fmsub<VH:mode>4_intrinsic): Likewise.
8413
8414 2017-07-05  Georg-Johann Lay  <avr@gjlay.de>
8415
8416         PR target/81305
8417         * config/avr/avr.c (avr_out_movhi_mr_r_xmega) [CONSTANT_ADDRESS_P]:
8418         Don't depend on "optimize > 0".
8419         (out_movhi_r_mr, out_movqi_mr_r): Same.
8420         (out_movhi_mr_r, out_movqi_r_mr): Same.
8421         (avr_address_cost) [CONSTANT_ADDRESS_P]: Don't depend cost for
8422         io_address_operand on "optimize > 0".
8423
8424 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
8425
8426         * tree-loop-distribution.c: Add general explanantion on the pass.
8427         (generate_loops_for_partition): Mark distributed loop.
8428         (pg_add_dependence_edges): New parameter.  Handle alias data
8429         dependence specially and record it in the parameter if asked.
8430         (struct pg_vdata, pg_edata, pg_edge_callback_data): New structs.
8431         (init_partition_graph_vertices, add_partition_graph_edge): New.
8432         (pg_skip_alias_edge, free_partition_graph_edata_cb): New.
8433         (free_partition_graph_vdata, build_partition_graph): New.
8434         (sort_partitions_by_post_order, merge_dep_scc_partitions): New.
8435         (pg_collect_alias_ddrs, break_alias_scc_partitions): New.
8436         (data_ref_segment_size, latch_dominated_by_data_ref): New.
8437         (compute_alias_check_pairs, version_loop_by_alias_check): New.
8438         (version_for_distribution_p, finalize_partitions): New.
8439         (distribute_loop): Handle alias data dependence specially.  Factor
8440         out loop fusion code as functions and call these functions.
8441
8442 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
8443
8444         * tree-loop-distribution.c (classify_partition): New parameter and
8445         better handle reduction statement.
8446         (rdg_build_partitions): Revise comment.
8447         (distribute_loop): Compute statements in all partitions and pass it
8448         to classify_partition.
8449
8450 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
8451
8452         * tree-loop-distribution.c (enum partition_type): New.
8453         (struct partition): New field type.
8454         (partition_merge_into): Add parameter.  Update partition type.
8455         (data_dep_in_cycle_p, update_type_for_merge): New functions.
8456         (build_rdg_partition_for_vertex): Compute partition type.
8457         (rdg_build_partitions): Dump partition type.
8458         (distribute_loop): Update calls to partition_merge_into.
8459
8460 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
8461
8462         * tree-loop-distribution.c (struct ddr_hasher): New.
8463         (ddr_hasher::hash, ::equal, get_data_dependence): New function.
8464         (ddrs_table): New.
8465         (classify_partition): Call get_data_dependence.
8466         (pg_add_dependence_edges): Ditto.
8467         (distribute_loop): Release data dependence hash table.
8468
8469 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
8470
8471         * tree-loop-distribution.c (ref_base_address): Delete.
8472         (similar_memory_accesses): Rename ...
8473         (share_memory_accesses): ... to this.  Check if partitions access
8474         the same memory reference.
8475         (distribute_loop): Call share_memory_accesses.
8476
8477 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
8478
8479         * tree-loop-distribution.c (struct partition): New field recording
8480         its data reference.
8481         (partition_alloc, partition_free): Init and release data refs.
8482         (partition_merge_into): Merge data refs.
8483         (build_rdg_partition_for_vertex): Collect data refs for partition.
8484         (pg_add_dependence_edges): Change parameters from vector to bitmap.
8485         Update uses.
8486         (distribute_loop): Remve data refs from vertice data of partition
8487         graph.
8488
8489 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
8490
8491         * tree-loop-distribution.c (params.h): Include header file.
8492         (MAX_DATAREFS_NUM, DR_INDEX): New macro.
8493         (datarefs_vec): New global var.
8494         (create_rdg_vertices): Use datarefs_vec directly.
8495         (free_rdg): Don't free data references.
8496         (build_rdg): Update use.  Don't free data references.
8497         (distribute_loop): Compute global variable for data references.
8498         Bail out if there are too many data references.
8499
8500 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
8501
8502         * tree-loop-distribution.c (loop_nest): New global var.
8503         (build_rdg): Use loop directly, rather than loop nest.
8504         (pg_add_dependence_edges): Remove loop nest parameter.  Use global
8505         variable directly.
8506         (distribute_loop): Compute global variable loop nest.  Update use.
8507
8508 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
8509
8510         * tree-loop-distribution.c (enum fuse_type, fuse_message): New.
8511         (partition_merge_into): New parameter.  Dump reason for fusion.
8512         (distribute_loop): Update use of partition_merge_into.
8513
8514 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
8515
8516         * tree-loop-distribution.c (bb_top_order_index): New.
8517         (bb_top_order_index_size, bb_top_order_cmp): New.
8518         (stmts_from_loop): Use topological order.
8519         (pass_loop_distribution::execute): Compute and release topological
8520         order for basic blocks.
8521
8522 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
8523
8524         * tree-loop-distribution.c (pass_loop_distribution::execute): Skip
8525         if no loops.
8526
8527 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
8528
8529         * cfgloop.h (struct loop): Add comment.  New field orig_loop_num.
8530         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Comment change.
8531         * internal-fn.c (expand_LOOP_DIST_ALIAS): New function.
8532         * internal-fn.def (LOOP_DIST_ALIAS): New.
8533         * tree-vectorizer.c (fold_loop_vectorized_call): Rename to ...
8534         (fold_loop_internal_call): ... this.
8535         (vect_loop_dist_alias_call): New function.
8536         (set_uid_loop_bbs): Call fold_loop_internal_call.
8537         (vectorize_loops): Fold IFN_LOOP_VECTORIZED and IFN_LOOP_DIST_ALIAS
8538         internal calls.
8539
8540 2017-07-04  Uros Bizjak  <ubizjak@gmail.com>
8541
8542         PR target/81300
8543         * config/i386/i386.md (setcc + movzbl/and to xor + setcc peepholes):
8544         Require dead FLAGS_REG at the beginning of a peephole.
8545
8546 2017-07-04  Uros Bizjak  <ubizjak@gmail.com>
8547
8548         PR target/81294
8549         * config/i386/adxintrin.h (_subborrow_u32): Swap _X and _Y
8550         arguments in the call to __builtin_ia32_sbb_u32.
8551         (_subborrow_u64): Swap _X and _Y arguments in the call to
8552         __builtin_ia32_sbb_u64.
8553
8554 2017-07-04  Jakub Jelinek  <jakub@redhat.com>
8555
8556         PR debug/81278
8557         * tree-vrp.c (compare_assert_loc): Turn into a function template
8558         with stable template parameter.  Only test if a->e is NULL,
8559         !a->e == !b->e has been verified already.  Use e == NULL or
8560         e != NULL instead of e or ! e tests.  If stable is true, don't use
8561         iterative_hash_expr, on the other side allow a or b or both NULL
8562         and sort the NULLs last.
8563         (process_assert_insertions): Sort using compare_assert_loc<false>
8564         instead of compare_assert_loc, later sort using
8565         compare_assert_loc<true> before calling process_assert_insertions_for
8566         in a loop.  Use break instead of continue once seen NULL pointer.
8567
8568 2017-07-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
8569
8570         * config/arm/driver-arm.c (arm_cpu_table): Add entry for ARM
8571         Cortex-R7 and Cortex-R8 processors.
8572
8573 2017-07-04  Jan Hubicka  <hubicka@ucw.cz>
8574
8575         * ipa-utils.c (ipa_merge_profiles): Fix merging when dst is
8576         uninitialized while src is not.
8577
8578 2017-07-04  Richard Earnshaw  <rearnsha@arm.com>
8579
8580         * common/config/arm/arm-common.c: Adjust include path for
8581         arm-cpu-cdata.h
8582         * config/arm/t-arm (TM_H): Adjust path for arm-cpu.h.
8583         (arm-cpu.h): Create in build directory.  Adjust dependency rules.
8584         (arm-cpu-data.h): Likewise.
8585         (arm-cpu-cdata.h): Likewise.
8586         * config/arm/arm-cpu.h: Delete.
8587         * config/arm/arm-cpu-cdata.h: Delete.
8588         * config/arm/arm-cpu-data.h: Delete.
8589
8590 2017-07-04  James Greenhalgh  <james.greenhalgh@arm.com>
8591
8592         * config/arm/arm-cpus.in (cortex-a55): New.
8593         (cortex-a75): Likewise.
8594         (cortex-a75.cortex-a55): Likewise.
8595         * config/arm/driver-arm.c (arm_cpu_table): Add cortex-a55 and
8596         cortex-a75.
8597         * doc/invoke.texi (-mcpu): Document cortex-a55 and cortex-a75.
8598         * config/arm/arm-cpu-cdata.h: Regenerate.
8599         * config/arm/arm-cpu-data.h: Regenerate.
8600         * config/arm/arm-cpu.h: Regenerate.
8601         * config/arm/arm-tables.opt: Regenerate.
8602         * config/arm/arm-tune.md: Regenerate.
8603
8604 2017-07-04  Jan Hubicka  <hubicka@ucw.cz>
8605
8606         * haifa-sched.c (sched_create_recovery_edges): Update profile.
8607
8608 2017-07-04  Jan Hubicka  <hubicka@ucw.cz>
8609
8610         * bb-reorder.c (better_edge_p): Fix handling of uninitialized
8611         probability.
8612
8613 2017-07-04  Richard Sandiford  <richard.sandiford@linaro.org>
8614
8615         PR tree-optimization/81292
8616         * tree-ssa-strlen.c (handle_builtin_strlen): When setting
8617         full_string_p, also call adjust_related_strinfos if the adjustment
8618         is simple, otherwise invalidate related strinfos.
8619
8620 2017-07-04  Martin Liska  <mliska@suse.cz>
8621
8622         PR sanitizer/81040
8623         * sanopt.c (sanitize_rewrite_addressable_params): Mark the
8624         newly created variable as DECL_IGNORED_P.
8625
8626 2017-07-04  Martin Liska  <mliska@suse.cz>
8627
8628         PR ipa/81293
8629         * ipa-inline.c (inline_small_functions):
8630         Use xstrdup_for_dump.
8631
8632 2017-07-04  Tom de Vries  <tom@codesourcery.com>
8633
8634         * graph.c (draw_cfg_edges): Save and restore EDGE_DFS_BACK.
8635
8636 2017-07-03  Dominique d'Humieres  <dominiq@lps.ens.fr>
8637
8638         PR target/81033
8639         * config/darwin.c (darwin_function_switched_text_sections):
8640         Fix spaces.
8641
8642 2017-07-03  Jan Hubicka  <hubicka@ucw.cz>
8643
8644         * tree-vect-loop-manip.c (vect_do_peeling): Fix scaling up.
8645
8646 2017-07-03  Richard Earnshaw  <rearnsha@arm.com>
8647
8648         * doc/invoke.texi (ARM Options): Add -mbe8 and -mbe32 to option summary.
8649
8650 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
8651
8652         * tree-vect-loop.c (vect_analyze_loop_2): Treat min_scalar_loop_bound,
8653         min_profitable_iters, and th as inclusive lower bounds.
8654         Fix LOOP_VINFO_PEELING_FOR_GAPS condition.
8655         (vect_estimate_min_profitable_iters): Return inclusive lower bounds
8656         for min_profitable_iters and min_profitable_estimate.
8657         (vect_transform_loop): Treat th as an inclusive lower bound.
8658         * tree-vect-loop-manip.c (vect_loop_versioning): Likewise.
8659
8660 2017-07-03  Dominique d'Humieres  <dominiq@lps.ens.fr>
8661
8662         PR target/81033
8663         * config/darwin.c (darwin_function_switched_text_sections):
8664         Replace DECL_NAME with DECL_ASSEMBLER_NAME, split assemble_name_raw
8665         in two pieces, and suppress the use of buf.
8666
8667 2017-07-03  Nathan Sidwell  <nathan@acm.org>
8668
8669         * hash-table.h (hash_table_mod1): Fix indentation.
8670
8671 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
8672
8673         PR middle-end/81290
8674         * predict.c (force_edge_cold): Be more careful about propagation
8675         backward.
8676         * profile-count.h (profile_probability::guessed,
8677         profile_probability::fdo, profile_count::guessed, profile_count::fdo):
8678         New.
8679         * tree-ssa-threadupdate.c (recompute_probabilities): Result is guessed.
8680
8681 2017-07-03  James Greenhalgh  <james.greenhalgh@arm.com>
8682
8683         * doc/invoke.texi (rcpc architecture extension): Document it.
8684
8685 2017-07-03  Richard Biener  <rguenther@suse.de>
8686
8687         PR tree-optimization/60510
8688         * tree-vect-loop.c (vect_create_epilog_for_reduction): Pass in
8689         the scalar reduction PHI and use it.
8690         (vectorizable_reduction): Properly guard the single_defuse_cycle
8691         path for non-SLP reduction chains where we cannot use it.
8692         Rework reduc_def/index and vector type deduction.  Rework
8693         vector operand gathering during reduction op code-gen.
8694         * tree-vect-slp.c (vect_analyze_slp): For failed SLP reduction
8695         chains dissolve the chain and leave it to non-SLP reduction
8696         handling.
8697
8698 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
8699
8700         * tree-data-ref.h (dr_alignment): Declare.
8701         * tree-data-ref.c (dr_alignment): New function.
8702         * tree-vectorizer.h (dataref_aux): Remove base_element_aligned.
8703         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Don't
8704         set it.
8705         * tree-vect-stmts.c (vectorizable_store): Use dr_alignment.
8706
8707 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
8708
8709         * tree-data-ref.h (innermost_loop_behavior): Add base_alignment
8710         and base_misalignment fields.
8711         (DR_BASE_ALIGNMENT, DR_BASE_MISALIGNMENT): New macros.
8712         * tree-data-ref.c: Include builtins.h.
8713         (dr_analyze_innermost): Set up the new innmost_loop_behavior fields.
8714         * tree-vectorizer.h (STMT_VINFO_DR_BASE_ALIGNMENT): New macro.
8715         (STMT_VINFO_DR_BASE_MISALIGNMENT): Likewise.
8716         * tree-vect-data-refs.c: Include tree-cfg.h.
8717         (vect_compute_data_ref_alignment): Use the new innermost_loop_behavior
8718         fields instead of calculating an alignment here.
8719         (vect_analyze_data_refs): Use dr_analyze_innermost.  Dump the new
8720         innermost_loop_behavior fields.
8721
8722 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
8723
8724         * tree-data-ref.h (innermost_loop_behavior): Add a step_alignment
8725         field.
8726         (DR_STEP_ALIGNMENT): New macro.
8727         * tree-vectorizer.h (STMT_VINFO_DR_STEP_ALIGNMENT): Likewise.
8728         * tree-data-ref.c (dr_analyze_innermost): Initalize step_alignment.
8729         (create_data_ref): Print it.
8730         * tree-vect-stmts.c (vectorizable_load): Use the step alignment
8731         to tell whether the step preserves vector (mis)alignment.
8732         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Likewise.
8733         Move the check for an integer step and generalise to all INTEGER_CST.
8734         (vect_analyze_data_refs): Set DR_STEP_ALIGNMENT when setting DR_STEP.
8735         Print the outer step alignment.
8736
8737 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
8738
8739         * tree-data-ref.h (innermost_loop_behavior): Replace aligned_to
8740         with offset_alignment.
8741         (DR_ALIGNED_TO): Delete.
8742         (DR_OFFSET_ALIGNMENT): New macro.
8743         * tree-vectorizer.h (STMT_VINFO_DR_ALIGNED_TO): Delete.
8744         (STMT_VINFO_DR_OFFSET_ALIGNMENT): New macro.
8745         * tree-data-ref.c (dr_analyze_innermost): Update after above changes.
8746         (create_data_ref): Likewise.
8747         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Likewise.
8748         (vect_analyze_data_refs): Likewise.
8749         * tree-if-conv.c (if_convertible_loop_p_1): Use memset before
8750         creating dummy innermost behavior.
8751
8752 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
8753
8754         * tree-data-ref.h (dr_analyze_innermost): Replace the dr argument
8755         with a "innermost_loop_behavior *" and refeence tree.
8756         * tree-data-ref.c (dr_analyze_innermost): Likewise.
8757         (create_data_ref): Update call accordingly.
8758         * tree-predcom.c (find_looparound_phi): Likewise.
8759
8760 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
8761
8762         * tree-vectorizer.h (_stmt_vec_info): Replace individual dr_*
8763         fields with dr_wrt_vec_loop.
8764         (STMT_VINFO_DR_BASE_ADDRESS, STMT_VINFO_DR_INIT, STMT_VINFO_DR_OFFSET)
8765         (STMT_VINFO_DR_STEP, STMT_VINFO_DR_ALIGNED_TO): Update accordingly.
8766         (STMT_VINFO_DR_WRT_VEC_LOOP): New macro.
8767         (vect_dr_behavior): New function.
8768         (vect_create_addr_base_for_vector_ref): Remove loop parameter.
8769         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Use
8770         vect_dr_behavior.  Use a step_preserves_misalignment_p boolean to
8771         track whether the step preserves the misalignment.
8772         (vect_create_addr_base_for_vector_ref): Remove loop parameter.
8773         Use vect_dr_behavior.
8774         (vect_setup_realignment): Update call accordingly.
8775         (vect_create_data_ref_ptr): Likewise.  Use vect_dr_behavior.
8776         * tree-vect-loop-manip.c (vect_gen_prolog_loop_niters): Update
8777         call to vect_create_addr_base_for_vector_ref.
8778         (vect_create_cond_for_align_checks): Likewise.
8779         * tree-vect-patterns.c (vect_recog_bool_pattern): Copy
8780         STMT_VINFO_DR_WRT_VEC_LOOP as a block.
8781         (vect_recog_mask_conversion_pattern): Likewise.
8782         * tree-vect-stmts.c (compare_step_with_zero): Use vect_dr_behavior.
8783         (new_stmt_vec_info): Remove redundant zeroing.
8784
8785 2017-07-03  Richard Earnshaw  <rearnsha@arm.com>
8786
8787         * common/config/arm/arm-common.c (arm_be8_option): New function.
8788         * config/arm/arm-isa.h (isa_feature): Add new feature bit isa_bit_be8.
8789         (ISA_ARMv6): Add isa_bit_be8.
8790         * config/arm/arm.h (arm_be8_option): Add prototype.
8791         (BE8_SPEC_FUNCTION): New define.
8792         (EXTRA_SPEC_FUNCTIONS): Add BE8_SPEC_FUNCTION.
8793         * config/arm/arm.opt (mbig-endian): Mark as Negative of mlittle-endian.
8794         (mlittle-endian): Similarly.
8795         (mbe8, mbe32): New options.
8796         * config/arm/bpabi.h (BE8_LINK_SPEC): Call arm_be8_option.
8797         * doc/invoke.texi (ARM Options): Document -mbe8 and -mbe32.
8798
8799 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
8800
8801         * tree-cfg.c (gimple_find_sub_bbs): Fix profile updating.
8802
8803 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
8804
8805         * tree-cfgcleanup.c (want_merge_blocks_p): New function.
8806         (cleanup_tree_cfg_bb): Use it.
8807         * profile-count.h (profile_count::of_for_merging, profile_count::merge):
8808         New functions.
8809         * tree-cfg.c (gimple_merge_blocks): Use profile_count::merge.
8810
8811 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
8812
8813         PR bootstrap/81285
8814         * loop-doloop.c (add_test): Update profile.
8815
8816 2017-07-03  Martin Liska  <mliska@suse.cz>
8817
8818         PR sanitize/81040
8819         * sanopt.c (rewrite_usage_of_param): New function.
8820         (sanitize_rewrite_addressable_params): Likewise.
8821         (pass_sanopt::execute): Call rewrite_usage_of_param.
8822
8823 2017-07-03  Richard Biener  <rguenther@suse.de>
8824
8825         * tree-vect-loop.c (vect_create_epilog_for_reduction): Revert
8826         back to using VIEW_CONVERT_EXPR.
8827
8828 2017-07-03  Martin Liska  <mliska@suse.cz>
8829
8830         PR other/78366
8831         * doc/extend.texi: Document when a resolver function is
8832         generated for target_clones.
8833
8834 2017-07-03  Martin Liska  <mliska@suse.cz>
8835
8836         * asan.c (asan_emit_stack_protection): Unpoison just red zones
8837         and shadow memory of auto variables which are subject of
8838         use-after-scope sanitization.
8839         (asan_expand_mark_ifn): Add do set only when is_poison.
8840
8841 2016-07-03  Richard Biener  <rguenther@suse.de>
8842
8843         * tree-vect-loop.c (vect_analyze_loop_operations): Also analyze
8844         reduction PHIs.
8845         (vect_force_simple_reduction): Record reduction def -> phi mapping.
8846         (vectorizable_reduction): Perform reduction PHI creation when
8847         visiting a reduction PHI and adjust and simplify code generation
8848         phase of the reduction op.  Cache dts, use fold_binary, not fold_build2.
8849         (vect_transform_loop): Visit reduction PHIs.
8850         * tree-vect-slp.c (vect_get_and_check_slp_defs): Record reduction
8851         defs into the SLP tree.
8852         (vect_build_slp_tree): Reduction defs terminate the recursion.
8853         * tree-vect-stmts.c (vect_get_vec_def_for_operand_1): Allow lookup
8854         of reduction defs.
8855         (vect_get_vec_defs_for_stmt_copy): Export.
8856         (vect_get_vec_defs): Likewise.
8857         * tree-vectorizer.h (struct _stmt_vec_info): Amend reduc_def
8858         purpose.
8859         (vect_get_vec_defs_for_stmt_copy): Declare.
8860         (vect_get_vec_defs): Likewise.
8861
8862 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
8863
8864         * tree-data-ref.c (dr_analyze_innermost): Replace the "nest"
8865         parameter with a "loop" parameter and use it instead of the
8866         loop containing DR_STMT.  Don't check simple_iv when doing
8867         BB analysis.  Describe the two analysis modes in the comment.
8868
8869 2017-07-03  Tom de Vries  <tom@codesourcery.com>
8870
8871         PR tree-optimization/69468
8872         * tree-ssa-tail-merge.c (ignore_edge_flags): New constant.
8873         (find_same_succ_bb): Handle ignore_edge_flags.
8874
8875 2017-07-03  Tom de Vries  <tom@codesourcery.com>
8876
8877         PR tree-optimization/81192
8878         * tree-ssa-tail-merge.c (same_succ_hash): Use bb->loop_father->num in
8879         hash.
8880         (same_succ::equal): Don't find bbs to be equal if bb->loop_father
8881         differs.
8882         (find_same_succ_bb): Remove obsolete test on bb->loop_father->latch.
8883
8884 2017-07-03  Tom de Vries  <tom@codesourcery.com>
8885
8886         PR tree-optimization/81192
8887         * tree-ssa-tail-merge.c (same_succ_flush_bb): Handle
8888         BB_SAME_SUCC (bb) == NULL.
8889
8890 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
8891
8892         * cfgrtl.c (rtl_verify_edges): Enable checking of profile_probability
8893         consistency.
8894
8895 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
8896
8897         * dumpfile.c: Include profile-count.h
8898         * tree-cfg.c (gimple_duplicate_sese_tail): Drop UNUSED attributes;
8899         update profile.
8900         (insert_cond_bb): Update profile.
8901         * tree-cfg.h (insert_cond_bb): Update prototype.
8902         * tree-chkp-opt.c (chkp_optimize_string_function_calls): Update.
8903         * tree-dump.c: Do not include tree-cfg.
8904
8905 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
8906
8907         * bb-reorder.c (fix_up_crossing_landing_pad): Update profile.
8908
8909 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
8910
8911         * expect.c (dw2_build_landing_pads): Update profile of the landing pad
8912         bb.
8913
8914 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
8915
8916         * tree-complex.c (expand_complex_div_wide): update profile.
8917
8918 2017-07-02  Richard Sandiford  <richard.sandiford@linaro.org>
8919             Alan Hayward  <alan.hayward@arm.com>
8920             David Sherwood  <david.sherwood@arm.com>
8921
8922         * Makefile.in (MACHMODE_H): Remove insn-modes.h
8923         (CORETYPES_H): New define.
8924         (MOSTLYCLEANFILES): Add insn-modes-inline.h.
8925         (insn-modes-inline.h, s-modes-inline-h): New rules.
8926         (generated_files): Add insn-modes-inline.h.
8927         (RTL_BASE_H, TREE_CORE_H): Use CORETYPES_H instead of coretypes.h.
8928         (build/gensupport.o, build/ggc-none.o, build/print-rtl.o): Likewise.
8929         (build/read-md.o, build/read-rtl.o, build/rtl.o): Likewise.
8930         (build/vec.o, build/hash-table.o, build/inchash.o): Likewise.
8931         (build/gencondmd.o, build/genattr.o, build/genattr-common.o): Likewise.
8932         (build/genattrtab.o, build/genautomata.o, build/gencheck.o): Likewise.
8933         (build/gencodes.o, build/genconditions.o): Likewise.
8934         (build/genconfig.o, build/genconstants.o, build/genemit.o): Likewise.
8935         (build/genenums.o, build/genextract.o, build/genflags.o): Likewise.
8936         (build/gentarget-def.o, build/genmddeps.o, build/genopinit.o)
8937         (build/genoutput.o, build/genpeep.o, build/genpreds.o): Likewise.
8938         (build/genrecog.o, build/genmddump.o, build/genmatch.o): Likewise.
8939         (build/gencfn-macros.o, build/gcov-iov.o): Likewise.
8940         * coretypes.h: Include everything up to real.h for generators.
8941         Include insn-modes.h first.  Include wide-int-print.h after
8942         wide-int.h.  Include insn-modes-inline.h and then machmode.h.
8943         * machmode.h: Don't include insn-modes.h here.
8944         * function-tests.c: Remove includes of signop.h, machmode.h,
8945         double-int.h and wide-int.h.
8946         * rtl.h: Likewise.
8947         * gcc-rich-location.c: Remove includes of machmode.h, double-int.h
8948         and wide-int.h.
8949         * optc-save-gen.awk: Likewise.
8950         * gencheck.c (BITS_PER_UNIT): Delete dummy definition.
8951         * godump.c: Remove include of wide-int-print.h.
8952         * pretty-print.h: Likewise.
8953         * wide-int-print.cc: Likewise.
8954         * wide-int.cc: Likewise.
8955         * hash-map-tests.c: Remove include of signop.h.
8956         * hash-set-tests.c: Likewise.
8957         * rtl-tests.c: Likewise.
8958         * mkconfig.sh: Remove include of machmode.h.
8959         * genmodes.c (emit_insn_modes_h): Split emission of inline functions
8960         into...
8961         (emit_insn_modes_inline_h): ...this new function.  Emit the code
8962         into an insn-modes-inline.h header file, adding appropriate
8963         include guards and end comments.
8964         (emit_insn_modes_c_header): Remove include of machmode.h.
8965         (emit_min_insn_modes_c_header): Include coretypes.h rather than
8966         machmode.h.
8967         (main): Handle -i flag and call emit_insn_modes_inline_h when
8968         it is passed.
8969
8970 2017-07-02  Richard Sandiford  <richard.sandiford@linaro.org>
8971
8972         * tree-ssa-strlen.c (strinfo): Rename the length field to
8973         nonzero_chars.  Add a full_string_p field.
8974         (compare_nonzero_chars, zero_length_string_p): New functions.
8975         (get_addr_stridx): Add an offset_out parameter.
8976         Use compare_nonzero_chars.
8977         (get_stridx): Update accordingly.  Use compare_nonzero_chars.
8978         (new_strinfo): Update after above changes to strinfo.
8979         (set_endptr_and_length): Set full_string_p.
8980         (get_string_length): Update after above changes to strinfo.
8981         (unshare_strinfo): Update call to new_strinfo.
8982         (maybe_invalidate): Likewise.
8983         (get_stridx_plus_constant): Change off to unsigned HOST_WIDE_INT.
8984         Use compare_nonzero_chars and zero_string_p.  Treat nonzero_chars
8985         as a uhwi instead of an shwi.  Update after above changes to
8986         strinfo and new_strinfo.
8987         (zero_length_string): Assert that chainsi contains full strings.
8988         Use zero_length_string_p.  Update call to new_strinfo.
8989         (adjust_related_strinfos): Update after above changes to strinfo.
8990         Copy full_string_p from origsi.
8991         (adjust_last_stmt): Use zero_length_string_p.
8992         (handle_builtin_strlen): Update after above changes to strinfo and
8993         new_strinfo.  Install the lhs as the string length if the previous
8994         entry didn't describe a full string.
8995         (handle_builtin_strchr): Update after above changes to strinfo
8996         and new_strinfo.
8997         (handle_builtin_strcpy): Likewise.
8998         (handle_builtin_strcat): Likewise.
8999         (handle_builtin_malloc): Likewise.
9000         (handle_pointer_plus): Likewise.
9001         (handle_builtin_memcpy): Likewise.  Track nonzero characters
9002         that aren't necessarily followed by a nul terminator.
9003         (handle_char_store): Likewise.
9004
9005 2017-07-02  Richard Sandiford  <richard.sandiford@linaro.org>
9006
9007         PR tree-optimization/80769
9008         * tree-ssa-strlen.c (strinfo): Document that "stmt" is also used
9009         for malloc and calloc.  Document the new invariant that all related
9010         strinfos have delayed lengths or none do.
9011         (verify_related_strinfos): Move earlier in file.
9012         (set_endptr_and_length): New function, split out from...
9013         (get_string_length): ...here.  Also set the lengths of related
9014         strinfos.
9015         (zero_length_string): Assert that chainsi has known (rather than
9016         delayed) lengths.
9017         (adjust_related_strinfos): Likewise.
9018
9019 2017-07-02  Richard Sandiford  <richard.sandiford@linaro.org>
9020
9021         PR tree-optimization/81136
9022         * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Only
9023         assert that two references with the same misalignment have the same
9024         compile-time misalignment if those compile-time misalignments
9025         are known.
9026
9027 2017-07-01  Andi Kleen  <ak@linux.intel.com>
9028
9029         * print-tree.c (print_node): Print all attributes.
9030
9031 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
9032
9033         * cfg.c (scale_bbs_frequencies): New function.
9034         * cfg.h (scale_bbs_frequencies): Declare it.
9035         * cfgloopanal.c (single_likely_exit): Cleanup.
9036         * cfgloopmanip.c (scale_loop_frequencies): Take profile_probability
9037         as parameter.
9038         (scale_loop_profile): Likewise.
9039         (loop_version): Likewise.
9040         (create_empty_loop_on_edge): Update.
9041         * cfgloopmanip.h (scale_loop_frequencies, scale_loop_profile,
9042         scale_loop_frequencies, scale_loop_profile, loopify,
9043         loop_version): Update prototypes.
9044         * modulo-sched.c (sms_schedule): Update.
9045         * predict.c (unlikely_executed_edge_p): Also check probability.
9046         (probably_never_executed_edge_p): Fix typo.
9047         * tree-if-conv.c (version_loop_for_if_conversion): Update.
9048         * tree-parloops.c (gen_parallel_loop): Update.
9049         * tree-ssa-loop-ivcanon.c (try_peel_loop): Update.
9050         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update.
9051         * tree-ssa-loop-split.c (split_loop): Update.
9052         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Update.
9053         * tree-vect-loop-manip.c (vect_do_peeling): Update.
9054         (vect_loop_versioning): Update.
9055         * tree-vect-loop.c (scale_profile_for_vect_loop): Update.
9056
9057 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
9058
9059         * trans-mem.c (split_bb_make_tm_edge): Update profile.
9060
9061 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
9062
9063         * tree-if-conv.c (combine_blocks): Use make_single_succ_edge
9064         to keep profile consistent.
9065
9066 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
9067
9068         * cfgrtl.c (rtl_flow_call_edges_add): Update profile.
9069         * tree-cfg.c (gimple_flow_call_edges_add): Likewise.
9070         * profile-count.h (max_safe_multiplier): Make unsigned.
9071         (profile_count::guessed_zero): New.
9072
9073 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
9074
9075         * bb-reorder.c (fix_up_crossing_landing_pad,
9076         fix_crossing_conditional_branches): Use make_single_succ_edge
9077         to keep profile consistent.
9078
9079 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
9080
9081         * tree-vect-loop.c (optimize_mask_stores): Use make_single_succ_edge
9082         to update profile.
9083
9084 2017-07-01  Jakub Jelinek  <jakub@redhat.com>
9085
9086         PR sanitizer/81262
9087         * bb-reorder.c (fix_up_fall_thru_edges): Move variable declarations to
9088         the right scopes, make sure cond_jump isn't preserved between multiple
9089         iterations.  Search for fallthru edge whenever there are 3+ edges and
9090         use find_fallthru_edge for it.
9091
9092 2017-06-29  Jan Hubicka  <hubicka@ucw.cz>
9093
9094         Patch by Alexander Monakov <amonakov@ispras.ru>
9095         * sel-sched-ir.c (compute_succs_info): Handle uninitialized
9096         probabilities consistently.
9097
9098 2017-06-29  Jan Hubicka  <hubicka@ucw.cz>
9099
9100         * pa.c (pa_expand_compare_and_swap_loop): Update call of
9101         emit_cmp_and_jump_insns.
9102
9103 2017-06-29  Jan Hubicka  <hubicka@ucw.cz>
9104
9105         PR ipa/81261
9106         * tree-inline.c (expand_call_inline): Combine profile statuses.
9107
9108 2017-06-30  Andrew Pinski  <apinski@cavium.com>
9109
9110         * tree-if-conv.c (predicate_scalar_phi): Update new_stmt if
9111         fold_stmt returned true.
9112
9113 2017-06-30  Nathan Sidwell  <nathan@acm.org>
9114
9115         * ggc.h (empty_string): Delete.
9116         * cfgexpand.c (expand_asm_stmt): Use plain "".
9117         * optabs.c (expand_asm_memory_barrier): Likewise.
9118         * stringpool.c (empty_string): Delete.
9119         (digit_vector, digit_string): Delete.
9120         (ggc_alloc_string): Use plain "", don't optimize single digit
9121         strings.  Use ggc_alloc_atomic.
9122
9123 2017-06-30  Richard Earnshaw  <rearnsha@arm.com>
9124
9125         * rtlanal.c (insn_rtx_cost): If a parallel contains exactly one
9126         comparison set and one other set, use the cost of the non-comparison
9127         set.
9128
9129 2017-06-30  Nathan Sidwell  <nathan@acm.org>
9130
9131         * ggc.h: Replace all 'static inline' with plain 'inline'.  Fix
9132         some formatting.
9133
9134 2017-06-30  Peter Bergner  <bergner@vnet.ibm.com>
9135
9136         * tree-cfg.c (group_case_labels_stmt): Merge scanning and compressing
9137         loops.  Remove now unneeded calls to gimple_switch_set_label() that
9138         just set removed labels to NULL_TREE.
9139
9140 2017-06-30  Aldy Hernandez  <aldyh@redhat.com>
9141
9142         * tree-ssanames.c (set_range_info_raw): Abstract from ...
9143         (set_range_info): ...here.  Only call set_range_info_raw if domain
9144         is useful.
9145         (set_nonzero_bits): Call set_range_info_raw.
9146         * tree-ssanames.h (set_range_info_raw): New.
9147
9148 2017-06-30  Jakub Jelinek  <jakub@redhat.com>
9149
9150         PR target/81225
9151         * config/i386/sse.md (vec_extract_lo_<mode><mask_name>): For V8FI,
9152         V16FI and VI8F_256 iterators, use <store_mask_predicate> instead
9153         of nonimmediate_operand and <store_mask_constraint> instead of m
9154         for the input operand.  For V8FI iterator, always split if input
9155         is a MEM.  For V16FI and V8SF_256 iterators, don't test if both
9156         operands are MEM if <mask_applied>.  For VI4F_256 iterator, use
9157         <store_mask_predicate> instead of register_operand and
9158         <store_mask_constraint> instead of v for the input operand.  Make
9159         sure both operands aren't MEMs for if not <mask_applied>.
9160
9161 2017-06-30  Sylvestre Ledru  <sylvestre@debian.org>
9162
9163         * lto-wrapper.c (copy_file) Close both file descriptors before
9164         exiting normally.
9165
9166 2017-06-30  Martin Liska  <mliska@suse.cz>
9167
9168         PR ipa/81214
9169         * multiple_target.c (create_dispatcher_calls): Make ifunc
9170         also for function that don't have calls or are not referenced.
9171
9172 2017-06-30  Richard Biener  <rguenther@suse.de>
9173
9174         * tree-vect-slp.c (vect_slp_analyze_node_operations): Only
9175         analyze the first scalar stmt.  Move vector type computation
9176         for the BB case here from ...
9177         * tree-vect-stmts.c (vect_analyze_stmt): ... here.  Guard
9178         live operation processing in the SLP case properly.
9179
9180 2017-06-30  Richard Biener  <rguenther@suse.de>
9181
9182         * graph.c (draw_cfg_node_succ_edges): Fix broken dot syntax.
9183
9184 2017-06-30  Martin Liska  <mliska@suse.cz>
9185
9186         PR sanitizer/81021
9187         * tree-eh.c (lower_resx): Call BUILT_IN_ASAN_HANDLE_NO_RETURN
9188         before BUILT_IN_UNWIND_RESUME when ASAN is used.
9189
9190 2017-06-30  Yvan Roux  <yvan.roux@linaro.org>
9191
9192         * doc/invoke.texi (AArch64): Add missing options and remove redundant
9193         ones.
9194
9195 2017-06-30  Richard Biener  <rguenther@suse.de>
9196
9197         PR tree-optimization/81249
9198         * tree-vect-loop.c (vect_create_epilog_for_reduction): Convert
9199         condition reduction result to original scalar type.
9200
9201 2017-06-30  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9202
9203         * profile-count.h (enum profile_quality): Fix typos and whitespace
9204         issues.
9205
9206 2017-06-30  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9207
9208         * config/s390/s390.c (s390_expand_setmem): Adjust to the new data
9209         type for branch probabilities.
9210
9211 2017-06-29  Julian Brown  <julian@codesourcery.com>
9212             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
9213
9214         * config/aarch64/aarch64-fusion-pairs.def: Add ALU_BRANCH entry.
9215         * config/aarch64/aarch64.c (AARCH64_FUSE_ALU_BRANCH): New fusion type.
9216         (thunderx2t99_tunings): Set AARCH64_FUSE_ALU_BRANCH flag.
9217         (aarch_macro_fusion_pair_p): Add support for AARCH64_FUSE_ALU_BRANCH.
9218
9219 2017-06-29  Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
9220
9221         * config/aarch64/aarch64.c (aarch_macro_fusion_pair_p): Push the
9222         check for CC usage into AARCH64_FUSE_CMP_BRANCH.
9223         * config/i386/i386.c (ix86_macro_fusion_pair_p): Push the check for
9224         CC usage from generic code to here.
9225         * sched-deps.c (sched_macro_fuse_insns): Move the condition for
9226         CC usage into the target macros.
9227
9228 2017-06-29  Maya Rashish  <coypu@sdf.org>
9229
9230         * config/netbsd.h (NETBSD_LIB_SPEC): Add -lc when creating shared
9231         objects.
9232
9233 2017-06-29  Jan Hubicka  <hubicka@ucw.cz>
9234
9235         * arm/arm-builtins.c: Include profile-count.h
9236         * except.c (sjlj_emit_function_enter): Use
9237         profile_probability::unlikely.
9238
9239 2017-06-29  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
9240
9241         * config/rs6000/rs6000.c (toc_relative_expr_p): Make tocrel_base
9242         and tocrel_offset be pointer args rather than implicitly using
9243         static versions.
9244         (legitimate_constant_pool_address_p, rs6000_emit_move,
9245         const_load_sequence_p, adjust_vperm): Add local tocrel_base and
9246         tocrel_offset and use in toc_relative_expr_p call.
9247         (print_operand, print_operand_address): Use static tocrel_base_oac
9248         and tocrel_offset_oac.
9249         (rs6000_output_addr_const_extra): Use static tocrel_base_oac and
9250         tocrel_offset_oac.
9251
9252 2017-06-29  Maya Rashish  <coypu@sdf.org>
9253
9254         * config/vax/builtins.md (ffssi2_internal): Correct constraint.
9255
9256 2017-06-29  Eric Botcazou  <ebotcazou@adacore.com>
9257
9258         * expr.c (expand_expr) <normal_inner_ref>: When testing for unaligned
9259         objects, take into account only the alignment of 'op0' and 'mode1' if
9260         'op0' is a MEM.
9261
9262 2017-06-29  Steve Ellcey  <sellcey@cavium.com>
9263
9264         * ccmp.c (ccmp_tree_comparison_p): New function.
9265         (ccmp_candidate_p): Update to use above function.
9266         (get_compare_parts): New function.
9267         (expand_ccmp_next): Update to use new functions.
9268         (expand_ccmp_expr_1): Take tree arg instead of gimple, update to use
9269         new functions.
9270         (expand_ccmp_expr): Pass tree instead of gimple to expand_ccmp_expr_1,
9271         take mode as argument.
9272         * ccmp.h (expand_ccmp_expr): Add mode as argument.
9273         * expr.c (expand_expr_real_1): Pass mode as argument.
9274
9275 2017-06-29  Segher Boessenkool  <segher@kernel.crashing.org>
9276
9277         * combine.c (combine_instructions): Print insns to dump_file, together
9278         with their costs.
9279
9280 2017-06-29  Jan Hubicka  <hubicka@ucw.cz>
9281
9282         * asan.c (asan_emit_stack_protection): Update.
9283         (create_cond_insert_point): Update.
9284         * auto-profile.c (afdo_propagate_circuit): Update.
9285         * basic-block.h (struct edge_def): Turn probability to
9286         profile_probability.
9287         (EDGE_FREQUENCY): Update.
9288         * bb-reorder.c (find_traces_1_round): Update.
9289         (better_edge_p): Update.
9290         (sanitize_hot_paths): Update.
9291         * cfg.c (unchecked_make_edge): Initialize probability to uninitialized.
9292         (make_single_succ_edge): Update.
9293         (check_bb_profile): Update.
9294         (dump_edge_info): Update.
9295         (update_bb_profile_for_threading): Update.
9296         * cfganal.c (connect_infinite_loops_to_exit): Initialize new edge
9297         probabilitycount to 0.
9298         * cfgbuild.c (compute_outgoing_frequencies): Update.
9299         * cfgcleanup.c (try_forward_edges): Update.
9300         (outgoing_edges_match): Update.
9301         (try_crossjump_to_edge): Update.
9302         * cfgexpand.c (expand_gimple_cond): Update make_single_succ_edge.
9303         (expand_gimple_tailcall): Update.
9304         (construct_init_block): Use make_single_succ_edge.
9305         (construct_exit_block): Use make_single_succ_edge.
9306         * cfghooks.c (verify_flow_info): Update.
9307         (redirect_edge_succ_nodup): Update.
9308         (split_edge): Update.
9309         (account_profile_record): Update.
9310         * cfgloopanal.c (single_likely_exit): Update.
9311         * cfgloopmanip.c (scale_loop_profile): Update.
9312         (set_zero_probability): Remove.
9313         (duplicate_loop_to_header_edge): Update.
9314         * cfgloopmanip.h (loop_version): Update prototype.
9315         * cfgrtl.c (try_redirect_by_replacing_jump): Update.
9316         (force_nonfallthru_and_redirect): Update.
9317         (update_br_prob_note): Update.
9318         (rtl_verify_edges): Update.
9319         (purge_dead_edges): Update.
9320         (rtl_lv_add_condition_to_bb): Update.
9321         * cgraph.c: (cgraph_edge::redirect_call_stmt_to_calle): Update.
9322         * cgraphunit.c (init_lowered_empty_function): Update.
9323         (cgraph_node::expand_thunk): Update.
9324         * cilk-common.c: Include profile-count.h
9325         * dojump.c (inv): Remove.
9326         (jumpifnot): Update.
9327         (jumpifnot_1): Update.
9328         (do_jump_1): Update.
9329         (do_jump): Update.
9330         (do_jump_by_parts_greater_rtx): Update.
9331         (do_compare_rtx_and_jump): Update.
9332         * dojump.h (jumpifnot, jumpifnot_1, jumpif_1, jumpif, do_jump,
9333         do_jump_1. do_compare_rtx_and_jump): Update prototype.
9334         * dwarf2cfi.c: Include profile-count.h
9335         * except.c (dw2_build_landing_pads): Use make_single_succ_edge.
9336         (sjlj_emit_dispatch_table): Likewise.
9337         * explow.c: Include profile-count.h
9338         * expmed.c (emit_store_flag_force): Update.
9339         (do_cmp_and_jump): Update.
9340         * expr.c (compare_by_pieces_d::generate): Update.
9341         (compare_by_pieces_d::finish_mode): Update.
9342         (emit_block_move_via_loop): Update.
9343         (store_expr_with_bounds): Update.
9344         (store_constructor): Update.
9345         (expand_expr_real_2): Update.
9346         (expand_expr_real_1): Update.
9347         * expr.h (try_casesi, try_tablejump): Update prototypes.
9348         * gimple-pretty-print.c (dump_probability): Update.
9349         (dump_profile): New.
9350         (dump_gimple_label): Update.
9351         (dump_gimple_bb_header): Update.
9352         * graph.c (draw_cfg_node_succ_edges): Update.
9353         * hsa-gen.c (convert_switch_statements): Update.
9354         * ifcvt.c (cheap_bb_rtx_cost_p): Update.
9355         (find_if_case_1): Update.
9356         (find_if_case_2): Update.
9357         * internal-fn.c (expand_arith_overflow_result_store): Update.
9358         (expand_addsub_overflow): Update.
9359         (expand_neg_overflow): Update.
9360         (expand_mul_overflow): Update.
9361         (expand_vector_ubsan_overflow): Update.
9362         * ipa-cp.c (good_cloning_opportunity_p): Update.
9363         * ipa-split.c (split_function): Use make_single_succ_edge.
9364         * ipa-utils.c (ipa_merge_profiles): Update.
9365         * loop-doloop.c (add_test): Update.
9366         (doloop_modify): Update.
9367         * loop-unroll.c (compare_and_jump_seq): Update.
9368         (unroll_loop_runtime_iterations): Update.
9369         * lra-constraints.c (lra_inheritance): Update.
9370         * lto-streamer-in.c (input_cfg): Update.
9371         * lto-streamer-out.c (output_cfg): Update.
9372         * mcf.c (adjust_cfg_counts): Update.
9373         * modulo-sched.c (sms_schedule): Update.
9374         * omp-expand.c (expand_omp_for_init_counts): Update.
9375         (extract_omp_for_update_vars): Update.
9376         (expand_omp_ordered_sink): Update.
9377         (expand_omp_for_ordered_loops): Update.
9378         (expand_omp_for_generic): Update.
9379         (expand_omp_for_static_nochunk): Update.
9380         (expand_omp_for_static_chunk): Update.
9381         (expand_cilk_for): Update.
9382         (expand_omp_simd): Update.
9383         (expand_omp_taskloop_for_outer): Update.
9384         (expand_omp_taskloop_for_inner): Update.
9385         * omp-simd-clone.c (simd_clone_adjust): Update.
9386         * optabs.c (expand_doubleword_shift): Update.
9387         (expand_abs): Update.
9388         (emit_cmp_and_jump_insn_1): Update.
9389         (expand_compare_and_swap_loop): Update.
9390         * optabs.h (emit_cmp_and_jump_insns): Update prototype.
9391         * predict.c (predictable_edge_p): Update.
9392         (edge_probability_reliable_p): Update.
9393         (set_even_probabilities): Update.
9394         (combine_predictions_for_insn): Update.
9395         (combine_predictions_for_bb): Update.
9396         (propagate_freq): Update.
9397         (estimate_bb_frequencies): Update.
9398         (force_edge_cold): Update.
9399         * profile-count.c (profile_count::dump): Add missing space into dump.
9400         (profile_count::debug): Add newline.
9401         (profile_count::differs_from_p): Explicitly convert to unsigned.
9402         (profile_count::stream_in): Update.
9403         (profile_probability::dump): New member function.
9404         (profile_probability::debug): New member function.
9405         (profile_probability::differs_from_p): New member function.
9406         (profile_probability::differs_lot_from_p): New member function.
9407         (profile_probability::stream_in): New member function.
9408         (profile_probability::stream_out): New member function.
9409         * profile-count.h (profile_count_quality): Rename to ...
9410         (profile_quality): ... this one.
9411         (profile_probability): New.
9412         (profile_count): Update.
9413         * profile.c (compute_branch_probabilities): Update.
9414         * recog.c (peep2_attempt): Update.
9415         * sched-ebb.c (schedule_ebbs): Update.
9416         * sched-rgn.c (find_single_block_region): Update.
9417         (compute_dom_prob_ps): Update.
9418         (schedule_region): Update.
9419         * sel-sched-ir.c (compute_succs_info): Update.
9420         * stmt.c (struct case_node): Update.
9421         (do_jump_if_equal): Update.
9422         (get_outgoing_edge_probs): Update.
9423         (conditional_probability): Update.
9424         (emit_case_dispatch_table): Update.
9425         (expand_case): Update.
9426         (expand_sjlj_dispatch_table): Update.
9427         (emit_case_nodes): Update.
9428         * targhooks.c: Update.
9429         * tracer.c (better_p): Update.
9430         (find_best_successor): Update.
9431         * trans-mem.c (expand_transaction): Update.
9432         * tree-call-cdce.c: Update.
9433         * tree-cfg.c (gimple_split_edge): Upate.
9434         (move_sese_region_to_fn): Upate.
9435         * tree-cfgcleanup.c (cleanup_control_expr_graph): Upate.
9436         * tree-eh.c (lower_resx): Upate.
9437         (cleanup_empty_eh_move_lp): Upate.
9438         * tree-if-conv.c (version_loop_for_if_conversion): Update.
9439         * tree-inline.c (copy_edges_for_bb): Update.
9440         (copy_cfg_body): Update.
9441         * tree-parloops.c (gen_parallel_loop): Update.
9442         * tree-profile.c (gimple_gen_ic_func_profiler): Update.
9443         (gimple_gen_time_profiler): Update.
9444         * tree-ssa-dce.c (remove_dead_stmt): Update.
9445         * tree-ssa-ifcombine.c (update_profile_after_ifcombine): Update.
9446         * tree-ssa-loop-im.c (execute_sm_if_changed): Update.
9447         * tree-ssa-loop-ivcanon.c (remove_exits_and_undefined_stmts): Update.
9448         (unloop_loops): Update.
9449         (try_peel_loop): Update.
9450         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update.
9451         * tree-ssa-loop-split.c (connect_loops): Update.
9452         (split_loop): Update.
9453         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Update.
9454         (hoist_guard): Update.
9455         * tree-ssa-phionlycprop.c (propagate_rhs_into_lhs): Update.
9456         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Update.
9457         (value_replacement): Update.
9458         * tree-ssa-reassoc.c (branch_fixup): Update.
9459         * tree-ssa-tail-merge.c (replace_block_by): Update.
9460         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Update.
9461         (create_edge_and_update_destination_phis): Update.
9462         (compute_path_counts): Update.
9463         (recompute_probabilities): Update.
9464         (update_joiner_offpath_counts): Update.
9465         (freqs_to_counts_path): Update.
9466         (duplicate_thread_path): Update.
9467         * tree-switch-conversion.c (hoist_edge_and_branch_if_true): Update.
9468         (struct switch_conv_info): Update.
9469         (gen_inbound_check): Update.
9470         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Update.
9471         (vect_do_peeling): Update.
9472         (vect_loop_versioning): Update.
9473         * tree-vect-loop.c (scale_profile_for_vect_loop): Update.
9474         (optimize_mask_stores): Update.
9475         * ubsan.c (ubsan_expand_null_ifn): Update.
9476         * value-prof.c (gimple_divmod_fixed_value): Update.
9477         (gimple_divmod_fixed_value_transform): Update.
9478         (gimple_mod_pow2): Update.
9479         (gimple_mod_pow2_value_transform): Update.
9480         (gimple_mod_subtract): Update.
9481         (gimple_mod_subtract_transform): Update.
9482         (gimple_ic): Update.
9483         (gimple_stringop_fixed_value): Update.
9484         (gimple_stringops_transform): Update.
9485         * value-prof.h: Update.
9486
9487 2017-06-29  Carl Love  <cel@us.ibm.com>
9488
9489         * config/rs6000/rs6000-c.c: Add support for built-in functions
9490         vector signed int vec_signed (vector float);
9491         vector signed long long vec_signed (vector double);
9492         vector signed int vec_signed2 (vector double, vector double);
9493         vector signed int vec_signede (vector double);
9494         vector signed int vec_signedo (vector double);
9495         * config/rs6000/rs6000.c (rs6000_generate_vsigned2_code): Add
9496         instruction generator.
9497         * config/rs6000/vsx.md (UNSPEC_VSX_XVCVSPSXWS, UNSPEC_VSX_XVCVSPSXDS,
9498         UNSPEC_VSX_VSIGNED2): Add UNSPECS.
9499         (vsx_xvcvspsxws, vsx_xvcvdpuxds_scale, vsx_xvcvspuxws, vsigned2_v2df):
9500         Add define_insn.
9501         (vsignedo_v2df, vsignede_v2df, vunsigned2_v2df, vunsignedo_v2df,
9502         vunsignede_v2df): Add define_expands.
9503         * config/rs6000/rs6000-builtin.def (VEC_SIGNED, VEC_UNSIGNED,
9504         VEC_SIGNED2, VEC_UNSIGNED2, VEC_SIGNEDE, VEC_UNSIGNEDE, VEC_SIGNEDO,
9505         VEC_UNSIGNEDO): Add definitions.
9506         * config/vsx.md (UNSPEC_VSX_XVCVSPSXWS, UNSPEC_VSX_XVCVSPSXDS,
9507         UNSPEC_VSX_VSIGNED2): Add UNSPECs.
9508         (vsx_xvcvspsxws, vsx_xvcvspuxws): Add define_insn.
9509         (vsigned2_v2df, vsigendo_v2df, vsignede_v2df,
9510         vunsigned2_v2df, vunsignedo_v2df, vunsignede_v2df): Add define_expands.
9511         * config/rs6000/altivec.h (vec_signed, vec_signed2,
9512         vec_signede and vec_signedo, vec_unsigned, vec_unsigned2,
9513         vec_unsignede, vec_unsignedo): Add builtin defines.
9514         * config/rs6000-protos.h (rs6000_generate_vsigned2_code): Add extern
9515         declaration.
9516         * doc/extend.texi: Update the built-in documentation file for the
9517         new built-in functions.
9518
9519 2017-06-29  Richard Biener  <rguenther@suse.de>
9520
9521         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Do not add
9522         reduction chains to LOOP_VINFO_REDUCTIONS.
9523         * tree-vect-slp.c (vect_analyze_slp): Continue looking for
9524         SLP reductions after processing reduction chains.
9525
9526 2017-06-29  Nathan Sidwell  <nathan@acm.org>
9527
9528         * builtins.c (fold_builtin_FUNCTION): Use
9529         lang_hooks.decl_printable_name.
9530
9531 2017-06-29  Peter Bergner  <bergner@vnet.ibm.com>
9532
9533         PR middle-end/81194
9534         * cfgexpand.c (expand_gimple_stmt_1): Handle switch statements
9535         with only one label.
9536         * stmt.c (expand_case): Assert NCASES is greater than one.
9537
9538 2017-06-29  Richard Biener  <rguenther@suse.de>
9539
9540         * tree-cfg.c (group_case_labels_stmt): Return whether we changed
9541         anything.
9542         (group_case_labels): Likewise.
9543         (find_taken_edge): Push sanity checking on val to workers...
9544         (find_taken_edge_cond_expr): ... here
9545         (find_taken_edge_switch_expr): ... and here, handle cases
9546         with just a default label.
9547         * tree-cfg.h (group_case_labels_stmt): Adjust prototype.
9548         (group_case_labels): Likewise.
9549         * tree-cfgcleanup.c (execute_cleanup_cfg_post_optimizing): When
9550         group_case_labels does anything cleanup the CFG again.
9551
9552 2017-06-29  Bin Cheng  <bin.cheng@arm.com>
9553
9554         PR tree-optimization/81196
9555         * tree-ssa-loop-niter.c (number_of_iterations_cond): Handle loop
9556         exit condition comparing two IVs.
9557
9558 2017-06-29  Richard Earnshaw  <rearnsha@arm.com>
9559
9560         * config/arm/parsecpu.awk (gen_comm_data): Add initializer for
9561         profile to the dummy entry at the end of the list of architectures.
9562         * config/arm/arm-cpu-cdata.h: Regenerated.
9563
9564 2017-06-29  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9565             Michael Collison <michael.collison@arm.com>
9566
9567         PR target/70119
9568         * config/aarch64/aarch64.md (*aarch64_<optab>_reg_<mode>3_mask1):
9569         New pattern.
9570         (*aarch64_reg_<mode>3_neg_mask2): New pattern.
9571         (*aarch64_reg_<mode>3_minus_mask): New pattern.
9572         (*aarch64_<optab>_reg_di3_mask2): New pattern.
9573         * config/aarch64/aarch64.c (aarch64_rtx_costs): Account for cost
9574         of shift when the shift amount is masked with constant equal to
9575         the size of the mode.
9576         * config/aarch64/predicates.md (subreg_lowpart_operator): New
9577         predicate.
9578
9579 2017-06-29  Martin Liska  <mliska@suse.cz>
9580
9581         * config/i386/i386.opt: Change range from [1,5] to [0,5].
9582
9583 2017-06-29  Yury Gribov  <tetra2005@gmail.com>
9584
9585         PR bootstrap/80565
9586         * ipa-cp.c (allocate_and_init_ipcp_value): Add initialization
9587         code.
9588         * ipa-inline.h
9589         (edge_growth_cache_entry::edge_growth_cache_entry): New
9590         function.
9591         (reset_edge_growth_cache): Update to use constructor.
9592
9593 2017-06-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9594
9595         * config/aarch64/aarch64.h (AARCH64_EXPAND_ALIGNMENT): New.
9596         (DATA_ALIGNMENT): Update to use AARCH64_EXPAND_ALIGNMENT.
9597         (LOCAL_ALIGNMENT): Update to use AARCH64_EXPAND_ALIGNMENT.
9598
9599 2017-06-28  Sebastian Peryt  <sebastian.peryt@intel.com>
9600
9601         * config/i386/avx512vlintrin.h (_mm256_permutexvar_epi64)
9602         (_mm256_permutexvar_epi32, _mm256_permutex_epi64): New intrinsics.
9603
9604 2017-06-28  Szabolcs Nagy  <szabolcs.nagy@arm.com>
9605
9606         * config.gcc (*-linux-musl*): Add t-musl tmake_file.
9607         (*-linux-uclibc*): Add t-uclibc tmake_file.
9608         * config/t-musl: New.
9609         * config/t-uclibc: New.
9610
9611 2017-06-28  Richard Earnshaw  <rearnsha@arm.com>
9612
9613         * config/arm/parsecpu.awk (profile): Parse new keyword in an arch
9614         context.
9615         (gen_comm_data): Emit architectural setting of arch_prof.
9616         * config/arm/arm-cpus.in (armv6-m, armv6s-m, armv7-a, armv7ve): Set the
9617         profile.
9618         (armv7-r, armv7-m, armv7e-m, armv8-a, armv8.1-a, armv8.2-a): Likewise.
9619         (armv8-m.base, armv8-m.main): Likewise.
9620         * arm-protos.h (arm_build_target): Add profile field.
9621         (arch_option): Likewise.
9622         * config/arm/arm.c (arm_configure_build_target): Copy the profile to
9623         the active target.
9624         * config/arm/arm.h (TARGET_ARM_ARCH_PROFILE): Use
9625         arm_active_target.profile.
9626
9627 2017-06-28  Richard Biener  <rguenther@suse.de>
9628
9629         PR middle-end/81227
9630         * fold-const.c (negate_expr_p): Use TYPE_UNSIGNED, not
9631         TYPE_OVERFLOW_WRAPS.
9632         * match.pd (negate_expr_p): Likewise.
9633         * tree-ssa-reassoc.c (optimize_range_tests_diff): Use
9634         fold_build2, not fold_binary.
9635
9636 2017-06-28  Wilco Dijkstra  <wdijkstr@arm.com>
9637
9638         * config/aarch64/aarch64 (aarch64_expand_mov_immediate):
9639         Convert memory address to Pmode.
9640         (aarch64_print_operand): Assert MEM operands are always Pmode.
9641
9642 2017-06-28  Wilco Dijkstra  <wdijkstr@arm.com>
9643
9644         PR target/79665
9645         * config/arm/aarch-common.c (arm_no_early_alu_shift_dep):
9646         Remove redundant if.
9647         (aarch_forward_to_shift_is_not_shifted_reg): Remove.
9648         * config/arm/aarch-common-protos.h
9649         (aarch_forward_to_shift_is_not_shifted_re): Remove.
9650         * config/arm/cortex-a53.md: Use arm_no_early_alu_shift_dep in bypass.
9651
9652 2017-06-28  Michael Meissner  <meissner@linux.vnet.ibm.com>
9653
9654         PR ipa/81238
9655         * multiple_target.c (create_dispatcher_calls): Set the default
9656         clone to be static, not public.
9657
9658 2017-06-28  Richard Biener  <rguenther@suse.de>
9659
9660         * tree-vect-loop.c (vectorizable_reduction): Move special
9661         cond reduction IV var creation ...
9662         (vect_create_epilog_for_reduction): ... here.  Remove induction_index
9663         parameter.  Use STMT_VINFO_VECTYPE.
9664         * tree-vect-slp.c (vect_get_constant_vectors): Properly reset
9665         constant_p.
9666
9667 2017-06-28  Martin Liska  <mliska@suse.cz>
9668
9669         PR ipa/81128
9670         * ipa-visibility.c (non_local_p): Handle visibility.
9671
9672 2017-06-28  Martin Liska  <mliska@suse.cz>
9673
9674         PR driver/79659
9675         * common.opt: Add IntegerRange to various options.
9676         * opt-functions.awk (integer_range_info): New function.
9677         * optc-gen.awk: Add integer_range_info to cl_options struct.
9678         * opts-common.c (decode_cmdline_option): Handle
9679         CL_ERR_INT_RANGE_ARG.
9680         (cmdline_handle_error): Likewise.
9681         * opts.c (print_filtered_help): Show valid interval in
9682         when --help is provided.
9683         * opts.h (struct cl_option): Add range_min and range_max fields.
9684         * config/i386/i386.opt: Add IntegerRange for -mbranch-cost.
9685
9686 2017-06-28  Marc Glisse  <marc.glisse@inria.fr>
9687
9688         * match.pd ((X & ~Y) | (~X & Y)): Generalize to + and ^.
9689         (x * C EQ/NE y * C): New transformation.
9690
9691 2017-06-28  Christophe Lyon  <christophe.lyon@linaro.org>
9692
9693         * genmultilib (combination_space): Accept '+' in option names.
9694
9695 2017-06-28  Martin Liska  <mliska@suse.cz>
9696
9697         PR sanitizer/81224
9698         * asan.c (instrument_derefs): Bail out inner references
9699         that are hard register variables.
9700
9701 2017-06-28  Jakub Jelinek  <jakub@redhat.com>
9702
9703         PR target/81175
9704         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use def_builtin
9705         rather than def_builtin_pure for __builtin_ia32_gatherpf*.
9706
9707 2017-06-28  Richard Biener  <rguenther@suse.de>
9708
9709         * tree-vectorizer.h (vect_get_vec_defs): Remove.
9710         (vect_get_slp_defs): Adjust.
9711         * tree-vect-loop.c (get_initial_defs_for_reduction): Split
9712         out from ...
9713         * tree-vect-slp.c (vect_get_constant_vectors): ... here and
9714         simplify.
9715         * tree-vect-loop.c (vect_create_epilog_for_reduction): Use
9716         get_initial_defs_for_reduction instead of vect_get_vec_defs.
9717         (vectorizable_reduction): Adjust.
9718         * tree-vect-slp.c (vect_get_constant_vectors): Remove reduction
9719         handling.
9720         (vect_get_slp_defs): Likewise.
9721         * tree-vect-stmts.c (vect_get_vec_defs): Make static and adjust.
9722         (vectorizable_bswap): Adjust.
9723         (vectorizable_call): Likewise.
9724         (vectorizable_conversion): Likewise.
9725         (vectorizable_assignment): Likewise.
9726         (vectorizable_shift): Likewise.
9727         (vectorizable_operation): Likewise.
9728         (vectorizable_store): Likewise.
9729         (vectorizable_condition): Likewise.
9730         (vectorizable_comparison): Likewise.
9731
9732 2017-06-28  Michael Collison  <michael.collison@arm.com>
9733
9734         PR target/68535
9735         * config/arm/arm.c (gen_ldm_seq): Remove last unnecessary
9736         set of base_reg
9737         (arm_gen_movmemqi): Removed unused variable 'i'.
9738         Convert 'for' loop into 'while' loop.
9739         (arm_expand_prologue): Remove last unnecessary set of insn.
9740         (thumb_pop): Remove unused variable 'pushed_words'.
9741         (thumb_exit): Remove last unnecessary set of regs_to_pop.
9742
9743 2017-06-28  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9744
9745         * config/s390/predicates.md: Use s390_rel_address_ok_p.
9746         * config/s390/s390-protos.h: Add prototype of
9747         s390_rel_address_ok_p.
9748         * config/s390/s390.c (s390_got_symbol): New function.
9749         (s390_rel_address_ok_p): New function.
9750         (legitimize_pic_address): Use s390_rel_address_ok_p.
9751         (s390_load_got): Use s390_got_symbol.
9752         (s390_option_override): Issue error if
9753         -mno-pic-data-is-text-relative is used without -fpic/-fPIC.
9754         * config/s390/s390.h (TARGET_DEFAULT_PIC_DATA_IS_TEXT_RELATIVE):
9755         New macro.
9756         * config/s390/s390.opt: New option mpic-data-is-text-relative.
9757
9758 2017-06-27  Andrew Pinski  <apinski@cavium.com>
9759
9760         * match.pd (X >/>=/</<= 0 ? 1.0 : -1.0): New patterns.
9761         (X * copysign (1.0, X)): New pattern.
9762         (X * copysign (1.0, -X)): New pattern.
9763         (copysign (-1.0, CST)): New pattern.
9764
9765 2017-06-27  Joseph Myers  <joseph@codesourcery.com>
9766
9767         * genmultilib (combination_space): Remove variable.
9768         Validate reuse rules against regular expression for any sequence
9769         of multilib options in any order.
9770
9771 2017-06-27  Michael Collison  <michael.collison@arm.com>
9772
9773         * config/aarch64/aarch64-simd.md (aarch64_combine<mode>): Directly
9774         call aarch64_split_simd_combine.
9775         * (aarch64_combine_internal<mode>): Delete pattern.
9776         * config/aarch64/aarch64.c (aarch64_split_simd_combine):
9777         Allow register and subreg operands.
9778
9779 2017-06-27  Jerome Lambourg  <lambourg@adacore.com>
9780
9781         * config/i386/vxworks.h (ASM_SPEC): Remove definition. No target
9782         specific need, just fallback on defaults.
9783         (ASM_OUTPUT_ALIGNED_BSS): Add #undef before #define.
9784
9785 2017-06-27  Jerome Lambourg  <lambourg@adacore.com>
9786             Olivier Hainque  <hainque@adacore.com>
9787
9788         * config/i386/vxworks.h (DBX_REGISTER_NUMBER): Pick distinct
9789         map for 64bits.
9790         (TARGET_OS_CPP_BUILTINS): builtin_define CPU to X86_64 for 64bit
9791         targets. Pick a default if no particular attempt applied.
9792         (STACK_CHECK_PROTECT): Double for 64bit targets, which have
9793         larger contexts.
9794
9795 2017-06-27  Jerome Lambourg  <lambourg@adacore.com>
9796
9797         * config.gcc (i*86-wrs-vxworks7): Handle new acceptable triplet.
9798         (x86_64-wrs-vxworks7): Likewise.
9799
9800 2017-06-27  Marek Polacek  <polacek@redhat.com>
9801
9802         PR sanitizer/81223
9803         * ubsan.c (instrument_null): Check get_base_address's result for null.
9804
9805 2017-06-27  Marc Glisse  <marc.glisse@inria.fr>
9806
9807         * match.pd ((A+-B)+(C-A), (A+B)-(A-C)): New transformations.
9808
9809 2017-06-27  Marc Glisse  <marc.glisse@inria.fr>
9810
9811         * builtin-types.def (BT_FENV_T_PTR, BT_CONST_FENV_T_PTR,
9812         BT_FEXCEPT_T_PTR, BT_CONST_FEXCEPT_T_PTR): New primitive types.
9813         (BT_FN_INT_FENV_T_PTR, BT_FN_INT_CONST_FENV_T_PTR,
9814         BT_FN_INT_FEXCEPT_T_PTR_INT, BT_FN_INT_CONST_FEXCEPT_T_PTR_INT):
9815         New function types.
9816         * builtins.def (BUILT_IN_FECLEAREXCEPT, BUILT_IN_FEGETENV,
9817         BUILT_IN_FEGETEXCEPTFLAG, BUILT_IN_FEGETROUND,
9818         BUILT_IN_FEHOLDEXCEPT, BUILT_IN_FERAISEEXCEPT,
9819         BUILT_IN_FESETENV, BUILT_IN_FESETEXCEPTFLAG,
9820         BUILT_IN_FESETROUND, BUILT_IN_FETESTEXCEPT,
9821         BUILT_IN_FEUPDATEENV): New builtins.
9822         * tree-core.h (TI_FENV_T_PTR_TYPE, TI_CONST_FENV_T_PTR_TYPE,
9823         TI_FEXCEPT_T_PTR_TYPE, TI_CONST_FEXCEPT_T_PTR_TYPE): New entries.
9824         * tree.h (fenv_t_ptr_type_node, const_fenv_t_ptr_type_node,
9825         fexcept_t_ptr_type_node, const_fexcept_t_ptr_type_node): New
9826         macros.
9827         (builtin_structptr_types): Adjust size.
9828         * tree.c (builtin_structptr_types): Add four entries.
9829
9830 2017-06-27  Jerome Lambourg  <lambourg@adacore.com>
9831             Olivier Hainque  <hainque@adacore.com>
9832
9833         * config/vxworks.h (VXWORKS_LIB_SPEC): Incorporate ...
9834         (TLS_SYM): New local macro, forcing reference to __tls__ on
9835         link command lines for VxWorks 7 RTPs, triggering initialization
9836         of tlsLib.
9837         (VXWORKS_HAVE_TLS): New macro. State whether the target VxWorks
9838         OS features TLS support, true for RTPs on VxWorks 7.
9839         * config/vxworks.c (vxworks_override_options): Setup emutls
9840         accordingly.
9841
9842 2017-06-27  Jakub Jelinek  <jakub@redhat.com>
9843
9844         * predict.c (test_prediction_value_range): Use -1U instead of -1
9845         to avoid narrowing conversion warning.
9846         * dumpfile.c (dump_options): Wrap all value into dump_flags_t cast
9847         to avoid narrowing conversion warning.
9848         * opt-functions.awk (var_ref): Return (unsigned short) -1 instead of
9849         -1.
9850         * optc-gen.awk (END): Expect (unsigned short) -1 instead of -1.
9851
9852 2017-06-27  Jerome Lambourg  <lambourg@adacore.com>
9853
9854         * config/vxworks.h (VXWORKS_LIBS_RTP): Alternative definition for
9855         64bit configurations.
9856         (PTR_DIFF_TYPE): Alternative definition for TARGET_LP64.
9857         (SIZE_TYPE): Likewise.
9858         * config/vxworks.c (vxworks_emutls_var_fields): Use
9859         long_unsigned_type_node instead of unsigned_type_node as the offset
9860         field type, which is "pointer" mode in emutls.c.
9861
9862 2017-06-27  Jakub Jelinek  <jakub@redhat.com>
9863
9864         PR sanitizer/81209
9865         * ubsan.c (ubsan_encode_value): Initialize DECL_CONTEXT on var.
9866
9867         PR middle-end/81207
9868         * gimple-fold.c (replace_call_with_call_and_fold): Handle
9869         gimple_vuse copying separately from gimple_vdef copying.
9870
9871 2017-06-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
9872
9873         * value-prof.c (free_hist): Remove call to memset and the enclosing if
9874         condition.
9875
9876 2017-06-26  Jerome Lambourg  <lambourg@adacore.com>
9877             Olivier Hainque  <hainque@adacore.com>
9878
9879         * config.gcc (*-*-vxworks*): Add TARGET_VXWORKS7=1 to tm_defines
9880         for all vxworks7 targets.
9881         * config/vxworks.h (TARGET_VXWORKS7): If not defined, define to 0.
9882         (VXWORKS_ADDITIONAL_CPP_SPEC): Alternative definition for VXWORKS7.
9883         (VXWORKS_LIBS_RTP, VXWORKS_LIBS_RTP_DIR): New macros, allowing
9884         variations for VX6/VX7 and 32/64bits later on in ...
9885         (VXWORKS_LIB_SPEC): Leverage new macros.
9886         (VXWORKS_OS_CPP_BUILTINS): Define _VSB_CONFIG_FILE for VXWORKS7,
9887         as well as _ALLOW_KEYWORD_MACROS when "inline" is not a keyword.
9888
9889 2017-06-26  Jerome Lambourg  <lambourg@adacore.com>
9890
9891         * config/vxworks.h (VXWORKS_OS_CPP_BUILTINS): builtin_define
9892         _VX_TOOL_FAMILY and _VX_TOOL to gnu.
9893
9894 2017-06-26  Carl Love  <cel@us.ibm.com>
9895
9896         * config/rs6000/rs6000-c.c: Add support for built-in functions
9897         vector bool char vec_reve (vector bool char);
9898         vector signed char vec_reve (vector signed char);
9899         vector unsigned char vec_reve (vector unsigned char);
9900         vector bool int vec_reve (vector bool int);
9901         vector signed int vec_reve (vector signed int);
9902         vector unsigned int vec_reve (vector unsigned int);
9903         vector bool long long vec_reve (vector bool long long);
9904         vector signed long long vec_reve (vector signed long long);
9905         vector unsigned long long vec_reve (vector unsigned long long);
9906         vector bool short vec_reve (vector bool short);
9907         vector signed short vec_reve (vector signed short);
9908         vector double vec_reve (vector double);
9909         vector float vec_reve (vector float);
9910         * config/rs6000/rs6000-builtin.def (VREVE_V2DI, VREVE_V4SI,
9911         VREVE_V8HI, VREVE_V16QI, VREVE_V2DF, VREVE_V4SF, VREVE): New builtin.
9912         * config/rs6000/altivec.md (UNSPEC_VREVEV): New UNSPEC.
9913         (altivec_vreve): New pattern.
9914         * config/rs6000/altivec.h (vec_reve): New define.
9915         * doc/extend.texi (vec_rev): Update the built-in documentation file
9916         for the new built-in functions.
9917
9918 2016-06-26  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
9919
9920         PR tree-optimization/71815
9921         * gimple-ssa-strength-reduction.c (uses_consumed_by_stmt): New
9922         function.
9923         (find_basis_for_candidate): Call uses_consumed_by_stmt rather than
9924         has_single_use.
9925         (slsr_process_phi): Likewise.
9926         (replace_uncond_cands_and_profitable_phis): Don't replace a
9927         multiply candidate with a stride of 1 (copy or cast).
9928         (phi_incr_cost): Call uses_consumed_by_stmt rather than
9929         has_single_use.
9930         (lowest_cost_path): Likewise.
9931         (total_savings): Likewise.
9932
9933 2017-06-26  Richard Biener  <rguenther@suse.de>
9934
9935         PR target/81175
9936         * config/i386/i386.c (ix86_init_mmx_sse_builtins):
9937         Use def_builtin_pure for all gather builtins.
9938
9939 2017-06-26  Richard Biener  <rguenther@suse.de>
9940
9941         PR tree-optimization/81203
9942         * tree-tailcall.c (find_tail_calls): Do not move stmts into
9943         non-dominating BBs.
9944
9945 2017-06-26  Marek Polacek  <polacek@redhat.com>
9946
9947         PR c/80116
9948         * doc/invoke.texi: Document -Wmultistatement-macros.
9949
9950 2017-06-26  Christophe Lyon  <christophe.lyon@linaro.org>
9951
9952         * doc/sourcebuild.texi (ARM-specific attributes): Document new
9953         arm_neon_ok_no_float_abi effective target.
9954
9955 2017-06-26  Richard Biener  <rguenther@suse.de>
9956
9957         PR tree-optimization/80928
9958         * cfghooks.c (duplicate_block): Do not copy BB_DUPLICATED flag.
9959         (copy_bbs): Set BB_DUPLICATED flag early.
9960         (execute_on_growing_pred): Do not execute for BB_DUPLICATED
9961         marked blocks.
9962         (execute_on_shrinking_pred): Likewise.
9963         * tree-ssa.c (ssa_redirect_edge): Do not look for PHI args in
9964         BB_DUPLICATED blocks.
9965         * tree-ssa-phionlycoprop.c (eliminate_degenerate_phis_1): Properly
9966         iterate over all PHIs considering removal of *gsi.
9967
9968 2017-06-23  Jim Wilson  <jim.wilson@linaro.org>
9969
9970         * doc/invoke.texi (AArch64 Options, -mtune): Re-add falkor and
9971         qdf24xx.
9972
9973 2017-06-23  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
9974
9975         * config/rs6000/rs6000-string.c: (expand_block_clear,
9976         do_load_for_compare, select_block_compare_mode,
9977         compute_current_alignment, expand_block_compare,
9978         expand_strncmp_align_check, expand_strn_compare,
9979         expand_block_move, rs6000_output_load_multiple)
9980         Move functions related to string/block move/compare
9981         to a separate file.
9982         * config/rs6000/rs6000.c: Move above functions to rs6000-string.c.
9983         * config/rs6000/rs6000-protos.h (rs6000_emit_dot_insn): Add prototype
9984         for this function which is now used in two files.
9985         * config/rs6000/t-rs6000: Add rule to compile rs6000-string.o.
9986         * config.gcc: Add rs6000-string.o to extra_objs for
9987         targets powerpc*-*-* and rs6000*-*-*.
9988
9989 2017-06-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
9990
9991         PR target/80510
9992         * config/rs6000/rs6000.md (ALTIVEC_DFORM): Do not allow DImode in
9993         32-bit, since indexed is not valid for DImode.
9994         (mov<mode>_hardfloat32): Reorder ISA 2.07 load/stores before ISA
9995         3.0 d-form load/stores to be the same as mov<mode>_hardfloat64.
9996         (define_peephole2 for Altivec d-form load): Add 32-bit support.
9997         (define_peephole2 for Altivec d-form store): Likewise.
9998
9999         PR ipa/81185
10000         * multiple_target.c (create_dispatcher_calls): Only create the
10001         dispatcher call if the function is the default clone of a
10002         versioned function.
10003
10004 2017-06-23  Segher Boessenkool  <segher@kernel.crashing.org>
10005
10006         PR middle-end/80902
10007         * builtins.c (expand_builtin_atomic_fetch_op): If emitting code after
10008         a call, force the call to not be a tail call.
10009
10010 2017-06-23  Jeff Law  <law@redhat.com>
10011
10012         * doc/contrib.texi: Add entry for Steven Pemberton's work on
10013         enquire.
10014
10015 2017-06-23  Will Schmidt  <will_schmidt@vnet.ibm.com>
10016
10017         * config/rs6000/rs6000.c: Add include of ssa-propagate.h for
10018         update_call_from_tree().  (rs6000_gimple_fold_builtin): Add
10019         handling for early expansion of vector shifts (sl,sr,sra,rl).
10020         (builtin_function_type): Add vector shift right instructions
10021         to the unsigned argument list.
10022
10023 2017-06-23  Bernd Edlinger  <bernd.edlinger@hotmail.de>
10024
10025         rtl-optimizatoin/79286
10026         * ira.c (update_equiv_regs): Revert to using may_trap_or_fault_p again.
10027         * rtlanal.c (rtx_addr_can_trap_p_1): SYMBOL_REF_FUNCTION_P can never
10028         trap.  PIC register plus a const unspec without offset can never trap.
10029
10030 2017-06-23  Marc Glisse  <marc.glisse@inria.fr>
10031
10032         * tree.h (builtin_structptr_type): New type.
10033         (builtin_structptr_types): Declare new array.
10034         * tree.c (builtin_structptr_types): New array.
10035         (free_lang_data, build_common_tree_nodes): Use it.
10036
10037 2017-06-23  Jonathan Wakely  <jwakely@redhat.com>
10038
10039         PR c++/81187
10040         * doc/invoke.texi (-Wnoexcept-type): Fix name of option, from
10041         -Wnoexcept.
10042
10043 2017-06-22  Matt Turner  <mattst88@gmail.com>
10044
10045         * config/i386/driver-i386.c (host_detect_local_cpu): Add Kaby
10046         Lake models to skylake case.  Assume skylake for unknown
10047         models with clflushopt.
10048
10049 2017-06-22  Jeff Law  <law@redhat.com>
10050
10051         * config/aarch64/aarch64.c (aarch64_emit_probe_stack_range): Handle
10052         frame sizes that do not satisfy aarch64_uimm12_shift.
10053
10054 2017-06-22  Jan Hubicka <hubicka@ucw.cz>
10055
10056         * profile-count.h (apply_probability,
10057         apply_scale, probability_in): Fix checks for zero.
10058
10059 2017-06-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
10060
10061         * incpath.c (add_sysroot_to_chain): Allow for $SYSROOT prefix.
10062         * doc/cppdiropts.texi (-I @var{dir}): Document it.
10063
10064 2016-06-22  Richard Biener  <rguenther@suse.de>
10065
10066         * tree-vect-loop.c (vect_model_reduction_cost): Handle
10067         COND_REDUCTION and INTEGER_INDUC_COND_REDUCTION without
10068         REDUC_MAX_EXPR support.
10069         (vectorizable_reduction): Likewise.
10070         (vect_create_epilog_for_reduction): Likewise.
10071
10072 2017-06-22  James Greenhalgh  <james.greenhalgh@arm.com>
10073
10074         * match.pd (A / (1 << B) -> A >> B): New.
10075         * generic-match-head.c: Include optabs-tree.h.
10076         * gimple-match-head.c: Likewise.
10077         * optabs-tree.h (target_supports_op_p): New.
10078         * optabs-tree.c (target_supports_op_p): New.
10079
10080 2017-06-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
10081
10082         * configure.ac (gcc_cv_ld_static_dynamic): Also check stderr for
10083         $gcc_cv_ld --help output.
10084         (gcc_cv_ld_demangle): Likewise.
10085         (gcc_cv_ld_eh_frame_hdr): Likewise.
10086         (gcc_cv_ld_pie): Likewise.
10087         (gcc_cv_ld_as_needed): Likewise.  Prefer native forms unless $gnu_ld.
10088         (gcc_cv_ld_buildid): Likewise.
10089         (gcc_cv_ld_sysroot): Likewise.
10090         (ld_bndplt_support): Likewise.
10091         (ld_pushpopstate_support): Likewise.
10092         * configure: Regenerate.
10093         * config/sol2.h [!USE_GLD] (SYSROOT_SPEC): Define.
10094
10095 2017-06-21  Jakub Jelinek  <jakub@redhat.com>
10096
10097         PR target/81151
10098         * config/i386/sse.md (round<mode>2): Renumber match_dup and
10099         operands indexes to avoid gap between operands and match_dups.
10100
10101 2017-06-21  Andrew Pinski  <apinski@cavium.com>
10102
10103         * config/aarch64/aarch64-cost-tables.h (thunderx_extra_costs):
10104         Increment Arith_shift and Arith_shift_reg by 1.
10105         * config/aarch64/aarch64-tuning-flags.def (cheap_shift_extend):
10106         New tuning flag.
10107         * config/aarch64/aarch64.c (thunderx_tunings): Enable
10108         AARCH64_EXTRA_TUNE_CHEAP_SHIFT_EXTEND.
10109         (aarch64_strip_extend): Add new argument and test for it.
10110         (aarch64_cheap_mult_shift_p): New function.
10111         (aarch64_rtx_mult_cost): Call aarch64_cheap_mult_shift_p and don't
10112         add a cost if it is true.
10113         Update calls to aarch64_strip_extend.
10114         (aarch64_rtx_costs): Update calls to aarch64_strip_extend.
10115
10116 2017-06-21  Andrew Pinski  <apinski@cavium.com>
10117
10118         * config/aarch64/aarch64-cores.def (thunderxt88p1): Use thunderxt88
10119         tunings.
10120         (thunderxt88): Likewise.
10121         * config/aarch64/aarch64.c (thunderxt88_prefetch_tune): New variable.
10122         (thunderx_prefetch_tune): New variable.
10123         (thunderx2t99_prefetch_tune): Update for the correct values.
10124         (thunderxt88_tunings): New variable.
10125         (thunderx_tunings): Use thunderx_prefetch_tune instead of
10126         generic_prefetch_tune.
10127         (thunderx2t99_tunings): Use AUTOPREFETCHER_WEAK.
10128
10129 2017-06-21  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10130
10131         * config/aarch64/atomics.md (aarch64_compare_and_swap<mode>_lse,
10132         SHORT): Relax operand 3 to aarch64_reg_or_zero and constraint to Z.
10133         (aarch64_compare_and_swap<mode>_lse, GPI): Likewise.
10134         (aarch64_atomic_cas<mode>, SHORT): Likewise for operand 2.
10135         (aarch64_atomic_cas<mode>, GPI): Likewise.
10136
10137 2017-06-21  Martin Liska  <mliska@suse.cz>
10138
10139         * gimplify.c (gimplify_label_expr): Insert GIMPLE_PREDICT
10140         statements on cold and hot labels.
10141         * predict.c (tree_estimate_probability_bb): Remove the
10142         prediction from this place.
10143
10144 2017-06-21  Martin Liska  <mliska@suse.cz>
10145
10146         PR tree-optimization/79489
10147         * gimplify.c (maybe_add_early_return_predict_stmt): New
10148         function.
10149         (gimplify_return_expr): Call the function.
10150         * predict.c (tree_estimate_probability_bb): Remove handling
10151         of early return.
10152         * predict.def: Update comment about early return predictor.
10153         * gimple-predict.h (is_gimple_predict): New function.
10154         * predict.def: Change default value of early return to 66.
10155         * tree-tailcall.c (find_tail_calls): Skip GIMPLE_PREDICT
10156         statements.
10157         * passes.def: Put pass_strip_predict_hints to the beginning of
10158         IPA passes.
10159
10160 2017-06-21  Pierre-Marie de Rodat  <derodat@adacore.com>
10161
10162         * dwarf2out.c (gen_decl_die): Remove the guard to skip file-scope
10163         FUNCTION_DECL declarations.
10164         (dwarf2out_early_global_decl): Remove the guard to skip FUNCTION_DECL
10165         declarations.
10166         (dwaf2out_decl): Likewise.
10167         * godump.c (go_early_global_decl): Skip call to the real debug hook
10168         for FUNCTION_DECL declarations.
10169         * passes.c (rest_of_decl_compilation): Skip call to the
10170         early_global_decl debug hook for FUNCTION_DECL declarations, unless
10171         -fdump-go-spec is passed.
10172
10173 2017-06-21  Marc Glisse  <marc.glisse@inria.fr>
10174
10175         * config/i386/i386.c (struct builtin_isa): New field pure_p.
10176         Reorder for compactness.
10177         (def_builtin, def_builtin2, ix86_add_new_builtins): Handle pure_p.
10178         (def_builtin_pure, def_builtin_pure2): New functions.
10179         (ix86_init_mmx_sse_builtins) [__builtin_ia32_stmxcsr]: Mark as pure.
10180
10181 2017-06-21  Marc Glisse  <marc.glisse@inria.fr>
10182
10183         * match.pd (nop_convert): New predicate.
10184         ((A +- CST1) +- CST2): Allow some NOP conversions.
10185
10186 2017-06-21  Jakub Jelinek  <jakub@redhat.com>
10187
10188         PR c++/81130
10189         * gimplify.c (omp_add_variable): Don't force GOVD_SEEN for types
10190         with ctors/dtors if GOVD_SHARED is set.
10191
10192 2017-06-21  Wilco Dijkstra  <wdijkstr@arm.com>
10193
10194         * config/aarch64/aarch64.md (movti_aarch64):
10195         Emit mov rather than orr.
10196         (movtf_aarch64): Likewise.
10197         * config/aarch64/aarch64-simd.md (aarch64_simd_mov):
10198         Emit mov rather than orr.
10199
10200 2017-06-21  Wilco Dijkstra  <wdijkstr@arm.com>
10201
10202         * config/aarch64/aarch64-simd.md (aarch64_simd_dup):
10203         Swap alternatives, make integer dup more expensive.
10204
10205 2017-06-21  Wilco Dijkstra  <wdijkstr@arm.com>
10206
10207         * config/aarch64/aarch64.c (aarch64_legitimate_constant_p):
10208         Return true for non-tls symbols.
10209
10210 2017-06-21  James Greenhalgh  <james.greenhalgh@arm.com>
10211
10212         * config/aarch64/aarch64-cores.def (cortex-a55): New.
10213         (cortex-a75): Likewise.
10214         (cortex-a75.cortex-a55): Likewise.
10215         * config/aarch64/aarch64-tune.md: Regenerate.
10216         * doc/invoke.texi (-mtune): Document new values for -mtune.
10217
10218 2017-06-21  Tom de Vries  <tom@codesourcery.com>
10219
10220         * doc/sourcebuild.texi (Add Options, Features for dg-add-options): Add
10221         stack_size feature.
10222         (Effective-Target Keywords, Other attributes): Suggest using
10223         dg-add-options stack_size feature to get stack limit in stack_size
10224         effective target documentation.
10225
10226 2017-06-21  Julian Brown  <julian@codesourcery.com>
10227             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
10228
10229         * config/aarch64/aarch64-simd.md (aarch64_crypto_pmulldi)
10230         (aarch64_crypto_pmullv2di): Change type attribute to crypto_pmull.
10231         * config/aarch64/thunderx2t99.md (thunderx2t99_pmull): New
10232         reservation.
10233         * config/arm/cortex-a53.md (cortex_a53_advsimd_type): Add crypto_pmull to
10234         attribute type list for neon_multiply.
10235         * config/arm/cortex-a57.md (cortex_a57_neon_type): Add crypto_pmull to
10236         attribute type list for neon_multiply.
10237         * config/arm/crypto.md (crypto_vmullp64): Change type to crypto_pmull.
10238         * config/arm/exynos-m1.md (exynos_m1_neon_type): Add crypto_pmull to
10239         attribute type list for neon_multiply.
10240         * config/arm/types.md (crypto_pmull): Add.
10241         * config/arm/xgene1.md (xgene1_neon_pmull): Add crypto_pmull to
10242         attribute type list.
10243
10244 2017-06-20  Andreas Tobler  <andreast@gcc.gnu.org>
10245
10246         * config.gcc (armv6*-*-freebsd*): Change the target_cpu_cname to
10247         arm1176jzf-s.
10248
10249 2017-06-20  Jakub Jelinek  <jakub@redhat.com>
10250
10251         * ira-costs.c (find_costs_and_classes): Initialize cost_classes later
10252         to make sure not to dereference a NULL cost_classes_ptr pointer.
10253
10254 2017-06-20  Carl Love  <cel@us.ibm.com>
10255
10256         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
10257         ALTIVEC_BUILTIN_VMULESW, ALTIVEC_BUILTIN_VMULEUW,
10258         ALTIVEC_BUILTIN_VMULOSW, ALTIVEC_BUILTIN_VMULOUW entries.
10259         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin,
10260         builtin_function_type): Add ALTIVEC_BUILTIN_* case statements.
10261         * config/rs6000/altivec.md (MVULEUW, VMULESW, VMULOUW,
10262         VMULOSW): New enum "unspec" values.
10263         (vec_widen_umult_even_v4si, vec_widen_smult_even_v4si,
10264         vec_widen_umult_odd_v4si, vec_widen_smult_odd_v4si,
10265         altivec_vmuleuw, altivec_vmulesw, altivec_vmulouw,
10266         altivec_vmulosw): New patterns.
10267         * config/rs6000/rs6000-builtin.def (VMLEUW, VMULESW, VMULOUW,
10268         VMULOSW): Add definitions.
10269
10270 2017-06-20  Julia Koval  <julia.koval@intel.com>
10271
10272         * config/i386/i386.c: Fix rounding expand for new pattern.
10273         * config/i386/subst.md: Fix pattern (parallel -> unspec).
10274
10275 2017-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
10276
10277         * config/aarch64/aarch64-option-extensions.def (rcpc): New.
10278         * config/aarch64/aarch64.h (AARCH64_FL_RCPC): New.
10279
10280 2017-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
10281
10282         * config/aarch64/aarch64-option-extensions.def (fp16): Fix expected
10283         feature string.
10284
10285 2017-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
10286
10287         * config/aarch64/aarch64-cores.def: Rearrange to sort by
10288         architecture, then by implementer ID.
10289         * config/aarch64/aarch64-tune.md: Regenerate.
10290
10291 2017-06-20  Richard Biener  <rguenther@suse.de>
10292
10293         PR middle-end/81097
10294         * fold-const.c (split_tree): Fold to type before negating.
10295
10296 2017-06-20  David Malcolm  <dmalcolm@redhat.com>
10297
10298         * diagnostic-show-locus.c
10299         (selftest::test_fixit_deletion_affecting_newline): New function.
10300         (selftest::diagnostic_show_locus_c_tests): Call it.
10301
10302 2017-06-20  Andreas Schwab  <schwab@suse.de>
10303
10304         PR target/80970
10305         * config/m68k/m68k.md (bsetdreg, bchgdreg, bclrdreg): Use "=d"
10306         instead of "+d".
10307
10308 2017-06-20  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
10309
10310         * config/arm/arm-c.c (arm_cpu_builtins): New block to define
10311         __ARM_FEATURE_COPROC according to support.
10312
10313 2017-06-20  Jakub Jelinek  <jakub@redhat.com>
10314
10315         * tree-chkp.c (chkp_get_hard_register_var_fake_base_address):
10316         Rewritten to avoid overflow for > 32-bit pointers.
10317
10318         PR sanitizer/81125
10319         * ubsan.h (ubsan_encode_value): Workaround buggy clang++ parser
10320         by removing enum keyword.
10321         (ubsan_type_descriptor): Likewise.  Formatting fix.
10322
10323         PR target/81121
10324         * config/i386/i386.md (TARGET_USE_VECTOR_CONVERTS float si->{sf,df}
10325         splitter): Require TARGET_SSE2 in the condition.
10326
10327 2017-06-20  Michael Meissner  <meissner@linux.vnet.ibm.com>
10328
10329         PR target/79799
10330         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Add support
10331         for doing vector set of SFmode on ISA 3.0.
10332         * config/rs6000/vsx.md (vsx_set_v4sf_p9): Likewise.
10333         (vsx_set_v4sf_p9_zero): Special case setting 0.0f to a V4SF
10334         element.
10335         (vsx_insert_extract_v4sf_p9): Add an optimization for inserting a
10336         SFmode value into a V4SF variable that was extracted from another
10337         V4SF variable without converting the element to double precision
10338         and back to single precision vector format.
10339         (vsx_insert_extract_v4sf_p9_2): Likewise.
10340
10341 2017-06-19  Jakub Jelinek  <jakub@redhat.com>
10342
10343         * tree-ssa-structalias.c (get_constraint_for_ptr_offset): Multiply
10344         in UWHI to avoid undefined overflow.
10345
10346         PR sanitizer/81125
10347         * ubsan.h (enum ubsan_encode_value_phase): New.
10348         (ubsan_encode_value): Change second argument to
10349         enum ubsan_encode_value_phase with default value of
10350         UBSAN_ENCODE_VALUE_GENERIC.
10351         * ubsan.c (ubsan_encode_value): Change second argument to
10352         enum ubsan_encode_value_phase PHASE from bool IN_EXPAND_P,
10353         adjust uses, for UBSAN_ENCODE_VALUE_GENERIC use just
10354         create_tmp_var_raw instead of create_tmp_var and use a
10355         TARGET_EXPR.
10356         (ubsan_expand_bounds_ifn, ubsan_build_overflow_builtin,
10357         instrument_bool_enum_load, ubsan_instrument_float_cast): Adjust
10358         ubsan_encode_value callers.
10359
10360         PR sanitizer/81111
10361         * ubsan.c (ubsan_encode_value): If current_function_decl is NULL,
10362         use create_tmp_var_raw instead of create_tmp_var, mark it addressable
10363         just by setting TREE_ADDRESSABLE on the result and use a TARGET_EXPR.
10364
10365 2017-06-19  Richard Biener  <rguenther@suse.de>
10366
10367         PR middle-end/81118
10368         * tree-cfgcleanup.c (cleanup_tree_cfg_noloop): Clear niter
10369         estimates if we changed anything.
10370
10371 2017-06-19  Richard Biener  <rguenther@suse.de>
10372
10373         PR tree-optimization/80887
10374         * tree-ssa-sccvn.c (mprts_hook_cnt): New global.
10375         (vn_lookup_simplify_result): Allow only mprts_hook_cnt succesful
10376         simplified lookups, then reset mprts_hook.
10377         (vn_nary_build_or_lookup_1): Set mprts_hook_cnt to 9 before
10378         simplifying.
10379         (try_to_simplify): Likewise.
10380
10381 2017-06-19  Martin Liska  <mliska@suse.cz>
10382
10383         PR sanitizer/80879
10384         * gimplify.c (gimplify_switch_expr):
10385         Initialize live_switch_vars for SWITCH_BODY == STATEMENT_LIST.
10386
10387 2017-06-19  Martin Liska  <mliska@suse.cz>
10388
10389         * doc/install.texi: Document that PGO runs in 4 stages.
10390
10391 2017-06-19  Martin Liska  <mliska@suse.cz>
10392
10393         PR ipa/80732
10394         * attribs.c (make_dispatcher_decl): Do not append '.ifunc'
10395         to dispatcher function name.
10396         * multiple_target.c (replace_function_decl): New function.
10397         (create_dispatcher_calls): Redirect both edges and references.
10398
10399 2017-06-19  Jan Hubicka <hubicka@ucw.cz>
10400
10401         * profile-count.c (profile_count::dump): Dump quality.
10402         (profile_count::differs_from_p): Update for unsigned val.
10403         * profile-count.h (profile_count_quality): New enum.
10404         (profile_count): Turn m_val to 62bit unsigned, add quality tracking.
10405
10406 2017-06-19  Richard Biener  <rguenther@suse.de>
10407
10408         * tree-ssa-loop-niter.h (estimate_numbers_of_iterations): Take
10409         struct function as arg.
10410         (estimate_numbers_of_iterations): Export overload with loop arg.
10411         (free_numbers_of_iterations_estimates_loop): Use an overload of
10412         free_numbers_of_iterations_estimates instead.
10413         * tree-cfg.c (remove_bb): Adjust.
10414         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Likewise.
10415         * tree-parloops.c (gen_parallel_loop): Likewise.
10416         * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
10417         Likewise.
10418         (tree_unroll_loops_completely): Likewise.
10419         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop):
10420         Use an overload instead and export.
10421         (estimated_loop_iterations): Adjust.
10422         (max_loop_iterations): Likewise.
10423         (likely_max_loop_iterations): Likewise.
10424         (estimate_numbers_of_iterations): Take struct function as arg
10425         and adjust.
10426         (loop_exits_before_overflow): Adjust.
10427         (free_numbers_of_iterations_estimates_loop): Use an overload.
10428         * tree-vect-loop.c (vect_analyze_loop_form): Adjust.
10429         * tree-vectorizer.c (vect_free_loop_info_assumptions): Likewise.
10430
10431 2017-06-19  Richard Biener  <rguenther@suse.de>
10432
10433         PR ipa/81112
10434         * ipa-prop.c (find_constructor_constant_at_offset): Handle
10435         RANGE_EXPR conservatively.
10436
10437 2017-06-16  Carl Love  <cel@us.ibm.com>
10438
10439         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
10440         definitions for vec_float, vec_float2, vec_floato,
10441         vec_floate built-ins.
10442         * config/rs6000/vsx.md (define_c_enum "unspec"): Add RTL code
10443         for instructions vsx_xvcvsxws vsx_xvcvuxwsp, float2, floato and
10444         floate.
10445         * config/rs6000/rs6000-builtin.def (FLOAT2_V2DI, FLOATE_V2DF,
10446         FLOATE_2DI, FLOATO_V2DF, FLOATEE_V2DI, XVCVSXWSP_V4SF,
10447         UNS_FLOATO_V2DI, UNS_FLOATE_V2DI): Add definitions.
10448         * config/altivec.md (define_insn "p8_vmrgew_<mode>",
10449         define_mode_attr VF_sxddp): Add V4SF type to p8_vmrgew.
10450         * config/rs6000/altivec.h (vec_float, vec_float2, vec_floate,
10451         vec_floato): Add builtin defines.
10452         * doc/extend.texi (vec_float, vec_float2, vec_floate, vec_floato):
10453         Update the built-in documentation file for the new built-in
10454         functions.
10455
10456 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
10457
10458         * config/arm/arm.opt (marm): Mark as the negative of of -mthumb.
10459         (mthumb): Mark as the negative of -marm.
10460
10461 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
10462
10463         * doc/invoke.texi (ARM Options, -mcpu): Document supported
10464         extension options.
10465         (ARM Options, -mtune): Document that this accepts the same
10466         extension options as -mcpu.
10467         (ARM Options, -mfpu): Document addition of -mfpu=auto.
10468
10469 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
10470
10471         * doc/invoke.texi (ARM Options, -march=): Document new syntax and
10472         permitted extensions.
10473
10474 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
10475
10476         * config/arm/arm-cpus.in (armv7): Add extension +nofp.
10477         (armv7-r): Add aliases vfpv3xd and vfpv3-d16.
10478         (armv8-m.main): Add option +nodsp.
10479         * config/arm/arm-cpu-cdata.h: Regenerated.
10480
10481 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
10482
10483         * config/arm/t-fuchsia: New file.
10484         * config.gcc (arm*-*-fuchsia*): Use it.
10485
10486 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
10487
10488         * config/arm/t-symbian: Rewrite for new option infrastructure.
10489
10490 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
10491
10492         * config/arm/t-phoenix (MULTILIB_REUSE): Clear variable.
10493         (MULTILIB_REQUIRED): Likewise.
10494
10495 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
10496
10497         * config/arm/t-linux-eabi (MULTILIB_EXCEPTIONS): Set to empty.
10498         (MULTILIB_RESUE): Likewise.
10499         (MULTILIB_MATCHES): Likewise.
10500         (MULTLIB_REQUIRED): Likewise.
10501
10502 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
10503
10504         * config/arm/t-rtems: Rewrite for new option framework.
10505
10506 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
10507
10508         * config/arm/t-aprofile (v7_a_nosimd_variants, v7_a_simd_variants)
10509         (v7ve_nosimd_variatns, v7ve_vfpv3_simd_variants)
10510         (v7ve_vfpv4_simd_variants, v8_a_nosimd_variants, v8_a_simd_variants)
10511         (v8_1_a_simd_variants, v8_2_a_simd_variants): Move to ...
10512         * config/arm/t-multilib: ... here.
10513         (MULTILIB_OPTIONS): Add armv7 and armv7+fp architectures.
10514         (MULTILIB_MATCHES): Use armv7 libraries for armv7-r.  Also use for
10515         armv7-a and armv8*-a when A-profile libraries have not been built.
10516         * config/arm/t-rmprofile: Rewrite.
10517
10518 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
10519
10520         * genmultilib (multilib_reuse): Allow an explicit period to be escaped
10521         with a backslash.  Remove the backslash after substituting unescaped
10522         periods.
10523         * doc/fragments.texi (MULTILIB_REUSE): Document it.
10524
10525 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
10526
10527         * config.gcc: (arm*-*-*): When building a-profile libraries, force
10528         the driver to pass through the default setting of -mfloat-abi.
10529         * common/config/arm/arm-common.c (arm_target_thumb_only): Return -marm
10530         rather than NULL.
10531         * config/arm/t-multilib (MULTILIB_REUSE): Initialize to empty.
10532         (all_feat_combs): New rule.
10533         (MULTILIB_OPTIONS): Use explicit ARM and Thumb directories.  Rework
10534         default libraries.
10535         * config/arm/t-aprofile: Rewrite.
10536
10537 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
10538
10539         * config/arm/arm.h (FPUTYPE_AUTO): Define.
10540         * config/arm/arm.c (arm_option_override): Use FPUTYPE_AUTO if the
10541         fpu is not specified by the user/command-line.
10542         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Delete.
10543         * config/arm/netbsd-elf.h (FPUTYPE_DEFAULT): Delete.
10544         * config/arm/linux-elf.h (FPUTYPE_DEFAULT): Delete.
10545         * config/arm/vxworks.h (FPUTYPE_DEFAULT): Delete.
10546         * common/config/arm/arm-common.c (arm_canon_arch_option): Use
10547         FPUTYPE_AUTO insted of FPUTYPE_DEFAULT.
10548
10549 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
10550
10551         * config/arm/elf.h (MULTILIB_DEFAULTS): Delete.
10552         * config/arm/t-arm-elf: Rewritten.
10553
10554 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
10555
10556         * config/arm/arm.h (TARGET_HARD_FLOAT): Also check that we
10557         have some floating-point instructions.
10558         (TARGET_SOFT_FLOAT): Define as inverse of TARGET_HARD_FLOAT.
10559         (TARGET_MAYBE_HARD_FLOAT): New macro.
10560         * config/arm/arm-builtins.c (arm_init_builtins): Use
10561         TARGET_MAYBE_HARD_FLOAT.
10562         * config/arm/arm.c (arm_option_override): Use TARGET_HARD_FLOAT_ABI.
10563
10564 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
10565
10566         * common/config/arm/arm-common.c: Define INCLUDE_LIST.
10567         (configargs.h): Include it.
10568         (arm_print_hint_for_fpu_option): New function.
10569         (arm_parse_fpu_option): New function.
10570         (candidate_extension): New class.
10571         (arm_canon_for_multilib): New function.
10572         * config/arm/arm.h (CANON_ARCH_SPEC_FUNCTION): New macro.
10573         (EXTRA_SPEC_FUNCTIONS): Add CANON_ARCH_SPEC_FUNCTION.
10574         (ARCH_CANONICAL_SPECS): New macro.
10575         (DRIVER_SELF_SPECS): Add ARCH_CANONICAL_SPECS.
10576
10577 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
10578
10579         * config.gcc (arm*-*-*): Ensure both target_cpu_cname and with_cpu
10580         are set after handling multilib fragments.  Set target_cpu_default2
10581         from with_cpu.
10582
10583 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
10584
10585         * config.gcc (arm*-*-fucshia*): Set target_cpu_cname to the real
10586         cpu name.
10587         (arm*-*-*): Set target_cpu_default2 to a quoted string.
10588         * config/arm/parsecpu.awk (check_cpu): Validate any extension
10589         options.
10590         (check_arch): Likewise.
10591         * config/arm/arm.c (arm_configure_build_target): Handle
10592         TARGET_CPU_DEFAULT being a string constant.  Scan any feature
10593         options in the default.
10594
10595 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
10596
10597         * config/arm/arm-protos.h (cpu_arch_extension): Add field to record
10598         when an option is an alias of another.
10599         * config/arm/parsecpu.awk (optalias): New parser token.
10600         (gen_comm_data): Mark non-alias options as such.  Emit entries
10601         for extension aliases.
10602         * config/arm/arm-cpus.in (armv5e): Make vfpv2 an alias.
10603         (armv5te, armv5tej, armv6, armv6j, armv6k, armv6z): Likewise.
10604         (armv6kz, armv6zk, armv6t2): Likewise.
10605         (armv7): Make vfpv3-d16 an alias.
10606         (armv7-a): Make vfpv3-d16, neon and neon-vfpv3 aliases.  Sort in
10607         canonical order.
10608         (armv7ve): Make vfpv4-d16, neon-vfpv3 and neon-vfpv4 aliases.
10609         Sort in canonical order.
10610         (armv8-a): Sort in canonical order.
10611         (armv8.1-a, armv8.2-a):  Likewise.
10612         (generic-armv7-a): Make neon and neon-vfpv3 aliases.  Sort in
10613         canonical order.
10614         (cortex-a9): Sort in canonical order.
10615         * config/arm/arm.c (selftests.h): Include it.
10616         (arm_test_cpu_arch_data): New function.
10617         (arm_run_self_tests): New function.
10618         (TARGET_RUN_TARGET_SELFTESTS): Redefine.
10619         (targetm): Move declaration to the end of the file.
10620         * arm-cpu-cdata.h: Regenerated.
10621
10622 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
10623
10624         * config/arm/arm.h (TARGET_MODE_SPECS): Add additional parameter to
10625         call to target_mode_check describing the type of option passed.
10626         * common/config/arm/arm-common.c (arm_arch_core_flag): Delete.
10627         (arm_target_thumb_only): Use arm_parse_arch_option_name or
10628         arm_parse_cpu_option_name to match parameters against list of
10629         available targets.
10630         * config/arm/parsecpu.awk (gen_comm_data): Don't generate
10631         arm_arch_core_flags data structure.
10632         * config/arm/arm-cpu_cdata.h: Regenerated.
10633
10634 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
10635
10636         * common/config/arm/arm-common.c (arm_initialize_isa): Moved here from
10637         config/arm/arm.c.
10638         (arm_print_hint_for_cpu_option): Likewise.
10639         (arm_print_hint_for_arch_option): Likewise.
10640         (arm_parse_cpu_option_name): Likewise.
10641         (arm_parse_arch_option_name): Likewise.
10642         * config/arm/arm.c (arm_identify_fpu_from_isa): Use the computed number
10643         of entries in the all_fpus list.
10644         * config/arm/arm-protos.h (all_architectures, all_cores): Declare.
10645         (arm_parse_cpu_option_name): Declare.
10646         (arm_parse_arch_option_name): Declare.
10647         (arm_parse_option_features): Declare.
10648         (arm_intialize_isa): Declare.
10649         * config/arm/parsecpu.awk (gen_data): Move CPU and architecture
10650         data tables to ...
10651         (gen_comm_data): ... here.  Make definitions non-static.
10652         * config/arm/arm-cpu-data.h: Regenerated.
10653         * config/arm/arm-cpu-cdata.h: Regenerated.
10654
10655 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
10656
10657         * config/arm/arm-protos.h (arm_build_target): Remove arch_core.
10658         (cpu_arch_extension): New structure.
10659         (cpu_arch_option, arch_option, cpu_option): New structures.
10660         * config/arm/parsecpu.awk (gen_headers): Build an enumeration of
10661         architecture types.
10662         (gen_data): Generate new format data tables.
10663         * config/arm/arm.c (cpu_tune): New structure.
10664         (cpu_option, processors): Delete.
10665         (arm_print_hint_for_core_or_arch): Delete.  Replace with ...
10666         (arm_print_hint_for_cpu_option): ... this and ...
10667         (arm_print_hint_for_arch_option): ... this.
10668         (arm_parse_arch_cpu_name): Delete.  Replace with ...
10669         (arm_parse_cpu_option_name): ... this and ...
10670         (arm_parse_arch_option_name): ... this.
10671         (arm_unrecognized_feature): Change type of target parameter to
10672         cpu_arch_option.
10673         (arm_parse_arch_cpu_features): Delete.  Replace with ...
10674         (arm_parse_option_features): ... this.
10675         (arm_configure_build_target): Rework to use new configuration data
10676         tables.
10677         (arm_print_tune_info): Rework for new configuration data tables.
10678         * config/arm/arm-cpu-data.h: Regenerated.
10679         * config/arm/arm-cpu.h: Regenerated.
10680
10681 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
10682
10683         * Makefile.in (OBJS): Move sbitmap.o from here ...
10684         (OBJS-libcommon): ... to here.
10685
10686 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
10687
10688         * config/arm/arm-isa.h (ISA_ALL_FPU_INTERNAL): Renamed from ISA_ALL_FPU.
10689         (ISA_ALL_CRYPTO): New macro.
10690         (ISA_ALL_SIMD): New macro
10691         (ISA_ALL_FP): New macro.
10692         * config/arm/arm.c (fpu_bitlist): Update initializer.
10693         * config/arm/arm-cpus.in: Use new ISA_ALL macros to disable crypto,
10694         simd or fp.
10695         (arm9e): Add fpu.  Add option for nofp
10696         (arm946e-s, arm966e-s, arm968e-s, arm10e, arm1020e, arm1022e): Likewise.
10697         (arm926ej-s, arm1026ej-s): Likewise.
10698         (generic-armv7-a): Add fpu.  Add options for simd, vfpv3, vfpv3-d16,
10699         vfpv3-fp16, vfpv3-d16-fp16, vfpv4, vfpv4-d16, neon, neon-vfp3,
10700         neon-fp16, neon-vfpv4, nofp and nosimd.
10701         (cortex-a5, cortex-a7): Add fpu.  Add options for nosimd and nofp.
10702         (cortex-a8): Add fpu.  Add option for nofp.
10703         (cortex-a9): Add fpu.  Add options for nosimd and nofp.
10704         (cortex-a12, cortex-a15, cortex-a17): Add fpu.  Add option for nofp.
10705         (cortex-r4f): Add fpu.
10706         (cortex-r5): Add fpu.  Add options for nofp.dp and nofp.
10707         (cortex-r7): Use idiv option from architecture.  Add fpu.  Add option
10708         for nofp.
10709         (cortex-r8): Likewise.
10710         (cortex-m4): Add fpu.  Add option for nofp.
10711         (cortex-a15.cortex-a7): Add fpu.  Add option for nofp.
10712         (cortex-a17.cortex-a7): Likewise.
10713         (cortex-a32): Add fpu.  Add options for crypto and nofp.
10714         (cortex-a35, cortex-a53): Likewise.
10715         (cortex-a57): Add fpu.  Add option for crypto.
10716         (cortex-a72, cortex-a73): Likewise.
10717         (exynos-m1): Likewise.
10718         (cortex-a57.cortex-a53, cortex-a72.cortex-a53): Likewise.
10719         (cortex-a73.cortex-a35, cortex-a73.cortex-a53): Likewise.
10720         (cortex-m33): Add fpu.  Add option for nofp.
10721         * config/arm/arm-cpu-cdata.h: Regenerated
10722         * config/arm/arm-cpu-data.h: Regenerated.
10723
10724 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
10725
10726         * arm-cpus.in (armv5e): Add options fp, vfpv2 and nofp.
10727         (armv5te, armv5tej): Likewise.
10728         (armv6, armv6j, armv6k, armv6z, armv6kz, armv6zk, armv6t2): Likewise.
10729         (armv7): Add options fp and vfpv3-d16.
10730         (armv7-a): Add options fp, simd, vfpv3, vfpv3-d16, vfpv3-d16-fp16,
10731         vfpv3-fp16, vfpv4, vfpv4-d16, neon, neon-vfpv3, neon-fp16, neon-vfpv4,
10732         nofp and nosimd.
10733         (armv7ve): Likewise.
10734         (armv7-r): Add options fp, fp.sp, idiv, nofp and noidiv.
10735         (armv7e-m): Add options fp, fpv5, fp.dp and nofp.
10736         (armv8-a): Add nocrypto option.
10737         (armv8.1-a, armv8.2-a): Likewise.
10738         (armv8-m.main): add options fp, fp.dp and nofp.
10739
10740 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
10741
10742         * config/arm/arm-cpus.in (armv8-a): Add options crc, simd crypto and
10743         nofp.
10744         (armv8-a+crc): Delete.
10745         (armv8.1-a): Add options simd, crypto and nofp.
10746         (armv8.2-a): Add options fp16, simd, crypto and nofp.
10747         (armv8.2-a+fp16): Delete.
10748         (armv8-m.main): Add option dsp.
10749         (armv8-m.main+dsp): Delete.
10750         (cortex-a8): Add fpu.  Add nofp option.
10751         (cortex-a9): Add fpu.  Add nofp and nosimd options.
10752         * config/arm/parsecpu.awk (gen_data): Generate option tables and
10753         link to main cpu and architecture data structures.
10754         (gen_comm_data): Only put isa attributes from the main architecture
10755         in common tables.
10756         (option): New statement for architecture and CPU entries.
10757         * arm.c (struct cpu_option): New structure.
10758         (struct processors): Add entry for options.
10759         (arm_unrecognized_feature): New function.
10760         (arm_parse_arch_cpu_name): Ignore any characters after the first
10761         '+' character.
10762         (arm_parse_arch_cpu_feature): New function.
10763         (arm_configure_build_target): Separate out any CPU and architecture
10764         features and parse separately.  Don't error out if -mfpu=auto is
10765         used with only an architecture string.
10766         (arm_print_asm_arch_directives): New function.
10767         (arm_file_start): Call it.
10768         * config/arm/arm-cpu-cdata.h: Regenerated.
10769         * config/arm/arm-cpu-data.h: Likewise.
10770         * config/arm/arm-tables.opt: Likewise.
10771
10772 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
10773
10774         * config/arm/elf.h (ASM_SPEC): Only pass -mfpu through to the
10775         assembler when it is not -mfpu=auto.
10776
10777 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
10778
10779         * config/arm/arm.h (BIG_LITTLE_SPEC): Delete macro.
10780         (ASM_REWRITE_SPEC_FUNCTIONS): New macro.
10781         (BIG_LITTLE_CPU_SPEC_FUNCTIONS): Delete macro.
10782         (ASM_CPU_SPEC): Rewrite.
10783         (MCPU_MTUNE_NATIVE_FUNCTIONS): New macro.
10784         (EXTRA_SPEC_FUNCTIONS): Move outside of ifdef.  Use
10785         MCPU_MTUNE_NATIVE_FUNCTIONS and ASM_REWRITE_SPEC_FUNCTIONS.  Remove
10786         reference to BIG_LITTLE_CPU_SPEC_FUNCTIONS.
10787         * common/config/arm/arm-common.c (arm_rewrite_selected_cpu): Ensure
10788         copied string is NUL-terminated.  Also strip any characters prefixed
10789         by '+'.
10790         (arm_rewrite_selected_arch): New function.
10791         (arm_rewrite_march): New function.
10792
10793 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
10794
10795         * config/arm/arm.opt (x_arm_arch_string): New TargetSave option.
10796         (x_arm_cpu_string, x_arm_tune_string): Likewise.
10797         (march, mcpu, mtune): Convert to string-based options.
10798         * config/arm/arm.c (arm_print_hint_for_core_or_arch): New function.
10799         (arm_parse_arch_cpu_name): New function.
10800         (arm_configure_build_target): Use arm_parse_arch_cpu_name to
10801         identify selected architecture or CPU.
10802         (arm_option_save): New function.
10803         (TARGET_OPTION_SAVE): Redefine.
10804         (arm_option_restore): Restore string options.
10805         (arm_option_print): Print string options.
10806
10807 2017-06-16  Martin Sebor  <msebor@redhat.com>
10808
10809         PR tree-optimization/80933
10810         PR tree-optimization/80934
10811         * builtins.c (fold_builtin_3): Do not handle bcmp here.
10812         * gimple-fold.c (gimple_fold_builtin_bcmp): New function.
10813         (gimple_fold_builtin_bcopy, gimple_fold_builtin_bzero): Likewise.
10814         (gimple_fold_builtin): Call them.
10815
10816 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
10817
10818         * gimple-ssa-isolate-paths.c (isolate_path): Set edge leading to path
10819         as unlikely; update profile.
10820
10821 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
10822
10823         * predict.c (force_edge_cold): Handle declaring edges impossible
10824         more aggresively.
10825
10826 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
10827
10828         * tree-ssa-loop-ivcanon.c (remove_exits_and_undefined_stmts): Update
10829         profile.
10830         (try_unroll_loop_completely): Fix reporting.
10831
10832 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
10833
10834         * tree-ssa-tail-merge.c (replace_block_by): Fix profile updating.
10835
10836 2017-06-16  James Greenhalgh  <james.greenhalgh@arm.com>
10837
10838         PR target/71778
10839         * config/arm/arm-builtins.c (arm_expand_builtin_args): Return TARGET
10840         if given a non-constant argument for an intrinsic which requires a
10841         constant.
10842
10843 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
10844
10845         * profile.c (compare_freqs): New function.
10846         (branch_prob): Sort edge list.
10847         (find_spanning_tree): Assume that the list is priority sorted.
10848
10849 2017-06-16  Richard Biener  <rguenther@suse.de>
10850
10851         PR tree-optimization/81090
10852         * passes.def (pass_record_bounds): Remove.
10853         * tree-pass.h (make_pass_record_bounds): Likewise.
10854         * tree-ssa-loop.c (pass_data_record_bounds, pass_record_bounds,
10855         make_pass_record_bounds): Likewise.
10856         * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables): Do
10857         not free niter estimates at the beginning but at the end.
10858         * tree-scalar-evolution.c (scev_finalize): Free niter estimates.
10859
10860 2017-06-16  Richard Biener  <rguenther@suse.de>
10861
10862         * tree-switch-conversion.c (emit_case_bit_tests): Adjust
10863         initializer to workaround ICE in host GCC 4.8.
10864
10865 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
10866
10867         * ipa-inline-transform.c (update_noncloned_frequencies): Update also
10868         counts.
10869         (clone_inlined_nodes): Update.
10870
10871 2017-06-16  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
10872
10873         * config/aarch64/aarch64.c (qdf24xx_prefetch_tune): Update
10874         prefetch settings, and enable prefetching by default at -O3.
10875
10876 2017-06-16  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
10877
10878         * config/aarch64/aarch64.c (aarch64_override_options_internal):
10879         Set flag_prefetch_loop_arrays according to tuning data.
10880
10881 2017-06-16  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
10882
10883         * config/aarch64/aarch64-protos.h (struct cpu_prefetch_tune):
10884         New tune structure.
10885         (struct tune_params): Use cpu_prefetch_tune instead of cache_line_size.
10886         [Unrelated to main purpose of the patch] Place the pointer field last
10887         to enable type checking errors when tune structure are wrongly merged.
10888         * config/aarch64/aarch64.c (generic_prefetch_tune,)
10889         (exynosm1_prefetch_tune, qdf24xx_prefetch_tune,)
10890         (thunderx2t99_prefetch_tune): New tune constants.
10891         (tune_params *_tunings): Update all tunings (no functional change).
10892         (aarch64_override_options_internal): Set PARAM_SIMULTANEOUS_PREFETCHES,
10893         PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE, and PARAM_L2_CACHE_SIZE
10894         from tunings structures.
10895
10896 2017-06-16  Jakub Jelinek  <jakub@redhat.com>
10897
10898         PR sanitizer/81094
10899         * ubsan.c (instrument_null): Add T argument, use it instead
10900         of computing it based on IS_LHS.
10901         (instrument_object_size): Likewise.
10902         (pass_ubsan::execute): Adjust instrument_null and
10903         instrument_object_size callers to pass gimple_get_lhs or
10904         gimple_assign_rhs1 result to it.  Use instrument_null instead of
10905         calling get_base_address and instrument_mem_ref.  Handle
10906         aggregate call arguments for object-size sanitization.
10907
10908 2017-06-16  Yury Gribov  <tetra2005@gmail.com>
10909
10910         PR tree-optimization/81089
10911         * tree-vrp.c (is_masked_range_test): Validate operands of
10912         subexpression.
10913
10914 2017-06-15  Martin Sebor  <msebor@redhat.com>
10915
10916         PR c++/80560
10917         * dumpfile.c (dump_register): Avoid calling memset to initialize
10918         a class with a default ctor.
10919         * gcc.c (struct compiler): Remove const qualification.
10920         * genattrtab.c (gen_insn_reserv): Replace memset with initialization.
10921         * hash-table.h: Ditto.
10922         * ipa-cp.c (allocate_and_init_ipcp_value): Replace memset with
10923           assignment.
10924         * ipa-prop.c (ipa_free_edge_args_substructures): Ditto.
10925         * omp-low.c (lower_omp_ordered_clauses): Replace memset with
10926         default ctor.
10927         * params.h (struct param_info): Make struct members non-const.
10928         * tree-switch-conversion.c (emit_case_bit_tests): Replace memset
10929         with default initialization.
10930         * vec.h (vec_copy_construct, vec_default_construct): New helper
10931         functions.
10932         (vec<T>::copy, vec<T>::splice, vec<T>::reserve): Replace memcpy
10933         with vec_copy_construct.
10934         (vect<T>::quick_grow_cleared): Replace memset with default ctor.
10935         (vect<T>::vec_safe_grow_cleared, vec_safe_grow_cleared): Same.
10936         * doc/invoke.texi (-Wclass-memaccess): Document.
10937
10938 2017-06-15  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
10939
10940         * emit-rtl.h (is_leaf): Update comment about local
10941         register allocator.
10942
10943 2017-06-15  Jozef Lawrynowicz   <jozef.l@somniumtech.com>
10944
10945         PR target/78818
10946         * config/msp430/msp430.c (msp430_data_attr): Check that it's possible
10947         for a variable to have a section before checking if the section has a
10948         name.
10949         Set section to.persistent if persistent attribute is set.
10950         Warn if .persistent attribute is used on an automatic variable.
10951
10952 2017-06-15  Eric Botcazou  <ebotcazou@adacore.com>
10953
10954         PR rtl-optimization/80474
10955         * reorg.c (update_block): Do not ignore instructions in a delay slot.
10956
10957 2017-06-15  Segher Boessenkool  <segher@kernel.crashing.org>
10958
10959         * config/rs6000/rs6000.md (add<mode>3): Use reg_or_subregno instead
10960         of REGNO.
10961
10962 2017-06-14  Maciej W. Rozycki  <macro@imgtec.com>
10963
10964         * config/mips/mips.md (MIPS16_T_REGNUM): Remove constant.
10965         (casesi): Emit bounds checking as RTL.
10966         (casesi_internal_mips16_<mode>): Remove bounds checking.
10967
10968 2017-06-14  Max Filippov  <jcmvbkbc@gmail.com>
10969
10970         * config/xtensa/xtensa.c (xtensa_option_override): Append
10971         MASK_CONST16 to target_flags in the absence of TARGET_L32R.
10972         (hwloop_optimize, hwloop_fail, hwloop_pattern_reg,
10973          xtensa_doloop_hooks): Define unconditionally.
10974         (xtensa_reorg_loops): Only call reorg_loops in the presence of
10975         TARGET_LOOPS.
10976         * config/xtensa/xtensa.h (TARGET_L32R): New definition.
10977         (TARGET_DEFAULT): Remove XCHAL_HAVE_L32R condition and account
10978         for it in xtensa_option_override.
10979         (HARD_FRAME_POINTER_IS_FRAME_POINTER,
10980          HARD_FRAME_POINTER_IS_ARG_POINTER): New definitions.
10981
10982 2017-06-14  Boris Kolpackov  <boris@codesynthesis.com>
10983
10984         * doc/cppopts.texi: Document '-' special value to -MF.
10985
10986 2017-06-14  Wilco Dijkstra  <wdijkstr@arm.com>
10987
10988         * config/arm/cortex-a53.md (cortex_a53_fpalu) Adjust latency.
10989         (cortex_a53_fconst): Likewise.
10990         (cortex_a53_fpmul): Likewise.
10991         (cortex_a53_f_load_64): Likewise.
10992         (cortex_a53_f_load_many): Likewise.
10993         (cortex_a53_advsimd_alu): Likewise.
10994         (cortex_a53_advsimd_alu_q): Likewise.
10995         (cortex_a53_advsimd_mul): Likewise.
10996         (cortex_a53_advsimd_mul_q): Likewise.
10997         (fpmac bypass): Add new bypass for fpmac-fpmac case.
10998         Add missing fmul, r2f_cvt and fconst cases.
10999
11000 2017-06-14  Richard Biener  <rguenther@suse.de>
11001
11002         PR middle-end/81088
11003         * fold-const.c (split_tree): Drop TREE_OVERFLOW flag from
11004         literal constants.
11005         (fold_binary_loc): When associating do not treat pre-existing
11006         TREE_OVERFLOW on literal constants as a reason to allow
11007         TREE_OVERFLOW on associated literal constants.
11008
11009 2017-06-14  Eric Botcazou  <ebotcazou@adacore.com>
11010
11011         * config/sparc/sparc.h (MASK_ISA): Add MASK_LEON and MASK_LEON3.
11012         (MASK_FEATURES): New macro.
11013         * config/sparc/sparc.c (sparc_option_override): Remove the special
11014         handling of -mfpu and generalize it to all MASK_FEATURES switches.
11015
11016 2017-06-14  Eric Botcazou  <ebotcazou@adacore.com>
11017
11018         * simplify-rtx.c (simplify_binary_operation_1) <UDIV>: Do not simplify
11019         a division of 0 if non-call exceptions are enabled.
11020
11021 2017-06-14  Andrew Pinski  <apinski@cavium.com>
11022             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
11023
11024         PR target/71663
11025         * config/aarch64/aarch64.c (aarch64_expand_vector_init):
11026         Improve vector initialization code gen for only variable case.
11027
11028 2017-06-14  Eric Botcazou  <ebotcazou@adacore.com>
11029
11030         * config/sparc/driver-sparc.c (cpu_names): Add SPARC-T5 entry.
11031
11032 2017-06-14  Richard Biener  <rguenther@suse.de>
11033
11034         PR tree-optimization/81083
11035         * tree-ssa-sccvn.c (vn_reference_lookup_3): Do not use abnormals
11036         as values.
11037
11038 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
11039
11040         * config/rs6000/rs6000.c: Update all comments that mentioned SPE.
11041         (rs6000_expand_builtin): Remove RS6000_BTC_EVSEL.
11042         * config/rs6000/rs6000.h (RS6000_BTC_EVSEL): Delete.
11043         * config/rs6000/vxworks.h (VXCPU_FOR_8548): Delete.  Adjust former use.
11044         * config/rs6000/vxworksae.h (VXCPU_FOR_8548): Delete.
11045         * config/rs6000/vxworksmils.h (VXCPU_FOR_8548): Delete.
11046
11047 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
11048
11049         * config/rs6000/rs6000-opts.h (enum rs6000_vector): Delete VECTOR_SPE.
11050         * config/rs6000/rs6000.c (rs6000_debug_vector_unit): Delete VECTOR_SPE.
11051
11052 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
11053
11054         * config/rs6000/rs6000.h (FIXED_SCRATCH): Delete.
11055
11056 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
11057
11058         * config/rs6000/t-rtems: Don't handle SPE.
11059
11060 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
11061
11062         * config/rs6000/t-linux: Don't handle SPE.
11063
11064 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
11065
11066         * config/rs6000/eabispe.h: Delete file.
11067
11068 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
11069
11070         * config/rs6000/t-spe: Delete file.
11071
11072 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
11073
11074         * config/rs6000/rs6000.c (SPE_CONST_OFFSET_OK): Delete.
11075         (rs6000_legitimate_offset_address_p): Return false for anything in
11076         V2SImode or V2SFmode.
11077
11078 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
11079
11080         * config/rs6000/rs6000-modes.def: Remove all 8-byte vector modes
11081         except V2SF and V2SI.  Rearrange the vector modes, and add comments.
11082         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Remove V8QImode
11083         and V4HImode.
11084         (reg_offset_addressing_ok_p): Remove V4HImode and V1DImode.
11085         (rs6000_legitimate_offset_address_p): Ditto.
11086         (rs6000_emit_move): Ditto.
11087         (rs6000_init_builtins): Remove V4HI_type_node.
11088
11089 2017-06-13  Martin Liska  <mliska@suse.cz>
11090
11091         PR sanitize/78204
11092         * asan.c (asan_sanitize_stack_p): Use sanitize_flags_p.
11093         (gate_asan): Likewise.
11094         * asan.h (asan_no_sanitize_address_p): Remove the function.
11095         (sanitize_flags_p): New function.
11096         * builtins.def: Fix coding style.
11097         * common.opt: Use renamed enum value.
11098         * convert.c (convert_to_integer_1): Use sanitize_flags_p.
11099         * doc/extend.texi: Document no_sanitize attribute.
11100         * flag-types.h (enum sanitize_code): Rename SANITIZE_NONDEFAULT
11101         to SANITIZE_UNDEFINED_NONDEFAULT.
11102         * gcc.c (sanitize_spec_function): Use the renamed enum value.
11103         * gimple-fold.c (optimize_atomic_compare_exchange_p):
11104         Use sanitize_flags_p.
11105         * gimplify.c (gimplify_function_tree): Likewise.
11106         * ipa-inline.c (sanitize_attrs_match_for_inline_p): Likewise.
11107         * opts.c (parse_no_sanitize_attribute): New function.
11108         (common_handle_option): Use renamed enum value.
11109         * opts.h (parse_no_sanitize_attribute): Declare.
11110         * tree.c (sanitize_flags_p): New function.
11111         * tree.h: Declared here.
11112         * tsan.c: Use sanitize_flags_p.
11113         * ubsan.c (ubsan_expand_null_ifn): Likewise.
11114         (instrument_mem_ref): Likewise.
11115         (instrument_bool_enum_load): Likewise.
11116         (do_ubsan_in_current_function): Remove the function.
11117         (pass_ubsan::execute): Use sanitize_flags_p.
11118         * ubsan.h: Remove do_ubsan_in_current_function
11119         * tree-cfg.c (print_no_sanitize_attr_value): New function.
11120         (dump_function_to_file): Use it here.
11121
11122 2017-06-13  Martin Jambor  <mjambor@suse.cz>
11123
11124         PR tree-optimization/80803
11125         PR tree-optimization/81063
11126         * tree-sra.c (subtree_mark_written_and_enqueue): Move up in the file.
11127         (propagate_subaccesses_across_link): Enqueue subtree whenever
11128         necessary instead of relying on the caller.
11129
11130 2017-06-13  Martin Jambor  <mjambor@suse.cz>
11131
11132         * tree-sra.c (add_access_to_work_queue): Only enqueue accesses
11133         that have a first_link.
11134         (sort_and_splice_var_accesses): Do not check first_link before
11135         enquing.
11136         (subtree_mark_written_and_enqueue): Likewise.
11137         (propagate_all_subaccesses): Likewise and do not stop at first
11138         parent with a first_link.
11139
11140 2017-06-13  Martin Jambor  <mjambor@suse.cz>
11141
11142         * tree-sra.c (dump_access_tree_1): Fix accidental dumping to stderr
11143         instead of f.
11144
11145 2017-06-13  Yury Gribov  <tetra2005@gmail.com>
11146
11147         * match.pd: New pattern.
11148
11149 2017-06-13  Yury Gribov  <tetra2005@gmail.com>
11150
11151         * tree-vrp.c (is_masked_range_test): New function.
11152         (register_edge_assert_for): Determine ranges for
11153         some bit tests.
11154
11155 2017-06-13  Yury Gribov  <tetra2005@gmail.com>
11156
11157         PR tree-optimization/67328
11158         * fold-const.c (maskable_range_p): New function.
11159         (build_range_check): Generate bittests if possible.
11160
11161 2017-06-13  Martin Liska  <mliska@suse.cz>
11162
11163         * gimple-pretty-print.c (dump_probability): Add new argument.
11164         (dump_edge_probability): Dump both probability and count.
11165         (dump_gimple_label): Likewise.
11166         (dump_gimple_bb_header): Likewise.
11167
11168 2017-06-13  Georg-Johann Lay  <avr@gjlay.de>
11169
11170         PR target/81072
11171         * config/avr/avr-devices.c: Fix indentation.
11172         * config/avr/gen-avr-mmcu-specs.c: Dito.
11173
11174 2017-06-13  Richard Biener  <rguenther@suse.de>
11175
11176         * tree-vect-loop.c (vect_model_reduction_cost): Do not fail,
11177         instead get vector type from stmt_info.
11178         (vectorizable_reduction): Adjust.  Remove dead code.
11179
11180 2017-06-13  Richard Biener  <rguenther@suse.de>
11181
11182         PR middle-end/81065
11183         * fold-const.c (extract_muldiv_1): Remove bogus distribution
11184         case of C * (x * C2 + C3).
11185         (fold_addr_of_array_ref_difference): Properly fold index difference.
11186
11187 2017-06-12  David S. Miller  <davem@davemloft.net>
11188
11189         PR target/80968
11190         * config/sparc/sparc.md (return expander): Emit frame blockage if
11191         function uses alloca.
11192
11193 2017-06-12  Richard Sandiford  <richard.sandiford@linaro.org>
11194
11195         * combine.c (make_field_assignment): Check len rather than the mode
11196         precision when calling force_to_mode.
11197
11198 2017-06-12  Georg-Johann Lay  <avr@gjlay.de>
11199
11200         Support multilibs and devices that see flash in RAM address range.
11201
11202         PR target/81072
11203         * config/avr/avr-arch.h (avr_arch_id) <ARCH_AVRXMEGA3>: New enum.
11204         (avr_mcu_t) <flash_pm_offset>: New field.
11205         (avr_device_specific_features) <AVR_ISA_RCALL>: New enum.
11206         * config/avr/avr.h (AVR_SHORT_CALLS): New define.
11207         (AVR_HAVE_JMP_CALL): Don't set if AVR_SHORT_CALLS.
11208         (AVR_TINY_PM_OFFSET): Remove macro.
11209         * config/avr/avr.opt (-mshort-calls): New option.
11210         * config/avr/gen-avr-mmcu-specs.c (print_mcu)
11211         [*self_spec]: Add / remove -mshort-calls depending on AVR_ISA_RCALL.
11212         * config/avr/avr-c.c (avr_cpu_cpp_builtins)
11213         <__AVR_SHORT_CALLS__>: Built-in define if AVR_SHORT_CALLS.
11214         <__AVR_HAVE_JMP_CALL__>: Use AVR_HAVE_JMP_CALL as condition
11215         instead of avr_arch->have_jmp_call.
11216         <__AVR_PM_BASE_ADDRESS__>: Built-in define if avr_arch->flash_pm_offset.
11217         [AVR_TINY] <__AVR_TINY_PM_BASE_ADDRESS__>: Use
11218         avr_arch->flash_pm_offset to define.
11219         * config/avr/avr-devices.c (avr_arch_types): Add initializers for
11220         new field flash_pm_offset.  Add entry for avrxmega3.
11221         (avr_texinfo): Add entry for avrxmega3.
11222         * config/avr/avr-mcus.def: Add entries for: avrxmega3,
11223         attiny212, attiny214,
11224         attiny412, attiny414, attiny416, attiny417,
11225         attiny814, attiny816, attiny817,
11226         attiny1614, attiny1616, attiny1617,
11227         attiny3214, attiny3216, attiny3217.
11228         * config/avr/avr.c (avr_assemble_integer)[AVR_TINY]: Use
11229         avr_arch->flash_pm_offset instead of AVR_TINY_PM_OFFSET.
11230         (avr_print_operand_address) [AVR_TINY]: Same.
11231         (avr_asm_init_sections) <readonly_data_section>: Only patch
11232         callback if avr_arch->flash_pm_offset = 0.
11233         (avr_asm_named_section) <avr_need_copy_data_p>: Skip setting it
11234         for rodata if avr_arch->flash_pm_offset != 0.
11235         (avr_encode_section_info) [AVR_TINY]: Adjust comment.
11236         * config/avr/genmultilib.awk (dir_rcall, opt_rcall): New vars.
11237         (opts) [AVR_ISA_RCALL]: Append opt_rcall.
11238         (m_options): Append opt_rcall.
11239         (m_dirnames): Append dir_rcall.
11240         * config/avr/t-multilib: Regenerate.
11241
11242         * configure.ac [target=avr]: Check whether avrxmega3 default
11243         linker description file works as needed.
11244         * configure: Regenerate.
11245         * doc/avr-mmcu.texi: Regenerate.
11246         * doc/invoke.texi (AVR Options) <-mshort-calls>: Document it.
11247         <__AVR_ARCH__>: Document avrxmega3 and 103.
11248         <__AVR_HAVE_JMP_CALL__>: Adjust documentation.
11249         <__AVR_SHORT_CALLS__>: Document it.
11250         <__AVR_PM_BASE_ADDRESS__>: Document it.
11251         * doc/extend.texi (AVR Options) <-mshort-calls>: Document it.
11252         (AVR Variable Attributes) <progmem>: Document this is
11253         not needed for avrxmega3.
11254         (AVR Named Address Spaces) <__flash>: Dito.
11255
11256 2017-06-12  Jan Hubicka  <hubicka@ucw.cz>
11257
11258         * cgraph.c (cgraph_node::dump): Complain about profile insanities.
11259
11260 2017-06-12  Doug Rupp  <rupp@adacore.com>
11261
11262         * config.gcc (*-*-vxworks*): Set use_gcc_stdint to "provide".
11263         Append vxworks-stdint.h to the tm_file list.
11264         * config/vxworks-stdint.h: New file.
11265
11266 2017-06-12  Martin Liska  <mliska@suse.cz>
11267
11268         PR tree-optimization/81041
11269         * tree-profile.c (gimple_gen_ic_func_profiler):
11270         Create an extra BB in profile-generate
11271         (gimple_gen_time_profiler): Likewise.
11272
11273 2017-06-12  Jakub Jelinek  <jakub@redhat.com>
11274
11275         PR tree-optimization/81003
11276         * tree-ssa-reassoc.c (force_into_ssa_name): New function.
11277         (update_range_test): Use it instead of force_gimple_operand_gsi.
11278
11279 2017-06-12  Richard Biener  <rguenther@suse.de>
11280
11281         PR tree-optimization/81053
11282         * tree-vect-loop.c (vect_is_simple_reduction): Handle PHI
11283         with backedge value not defined in loop.  Simplify def stmt
11284         compute.
11285
11286 2017-06-11  Tom de Vries  <tom@codesourcery.com>
11287
11288         PR target/79939
11289         * config/nvptx/nvptx.c (nvptx_cannot_force_const_mem): New function.
11290         Return true.
11291         (TARGET_CANNOT_FORCE_CONST_MEM): Redefine to
11292         nvptx_cannot_force_const_mem.
11293
11294 2017-06-10  Jan Hubicka  <hubicka@ucw.cz>
11295
11296         * opts.c (finish_options): Move test for flag_split_stack after
11297         it has been initialized.
11298
11299 2017-06-11  Jason Merrill  <jason@redhat.com>
11300
11301         * tree.h (id_equal): New.
11302         * dwarf2out.c, hsa-gen.c, ipa-devirt.c, omp-expand.c,
11303         omp-simd-clone.c, read-rtl-function.c, tree-chkp.c, tree.c: Use it
11304         instead of strcmp of IDENTIFIER_POINTER.
11305
11306 2017-06-10  Jan Hubicka  <hubicka@ucw.cz>
11307
11308         * ipa-inline-transform.c: Include function.h, cfg.h and basic-block.h
11309         (mark_all_inlined_calls_cdtor): Fix formating.
11310         (inline_transform): Rescale profile before inlining.
11311
11312 2017-06-10  Jan Hubicka  <hubicka@ucw.cz>
11313
11314         * cgraph.h (cgraph_edge::clone): Update prototype.
11315         * cgraphclones.c (cgraph_edge::clone): Update profile scaling.
11316         (cgraph_node::create_clone): Update.
11317         (cgraph_node::create_version_clone): Update.
11318         * tree-inline.c (copy_bb): Update.
11319         (expand_call_inline): Update.
11320
11321 2017-06-10  Segher Boessenkool  <segher@kernel.crashing.org>
11322
11323         * config/rs6000/rs6000.c (emit_vrsave_prologue): New function,
11324         factored out from ...
11325         (rs6000_emit_prologue): ... here.
11326
11327 2017-06-10  Segher Boessenkool  <segher@kernel.crashing.org>
11328
11329         * config/rs6000/rs6000.c (emit_split_stack_prologue): New function,
11330         factored out from ...
11331         (rs6000_emit_prologue): ... here.
11332
11333 2017-06-10  Jan Hubicka  <hubicka@ucw.cz>
11334
11335         * predict.c (drop_profile): Also drop individual bb/edge and cgraph
11336         edge counts.
11337         (handle_missing_profiles): Fix computation of tp_first_run.
11338         (counts_to_freqs): Do not touch freqs when count is 0.
11339
11340 2017-06-10  Jan Hubicka  <hubicka@ucw.cz>
11341
11342         * cgraphbuild.c (cgraph_edge::rebuild_references): Do not touch
11343         profile.
11344
11345 2017-06-10  Tom de Vries  <tom@codesourcery.com>
11346
11347         * doc/sourcebuild.texi (Effective-Target Keywords, Environment
11348         attributes): Document signal effective target.
11349
11350 2017-06-10  Tom de Vries  <tom@codesourcery.com>
11351
11352         * doc/sourcebuild.texi (Effective-Target Keywords, Other attributes):
11353         Document effective target stack_size.
11354
11355 2017-06-09  David Malcolm  <dmalcolm@redhat.com>
11356
11357         * diagnostic.c (diagnostic_report_diagnostic): Only add fixits
11358         to the edit_context if they can be auto-applied.
11359
11360 2017-06-9  Ian Lance Taylor  <iant@golang.org>
11361
11362         * opts.c (finish_options): If -fsplit-stack, disable implicit
11363         -forder-blocks-and-partition.
11364         * doc/invoke.texi (Optimize Options): Document that when using
11365         -fsplit-stack -forder-blocks-and-partition is not implicitly
11366         enabled.
11367
11368 2017-06-09  Jan Hubicka  <hubicka@ucw.cz>
11369
11370         * builtin-attrs.def (ATTR_NORETURN_NOTHROW_LEAF_COLD_LIST,
11371         ATTR_CONST_NORETURN_NOTHROW_LEAF_COLD_LIST,
11372         ATTR_TMPURE_NORETURN_NOTHROW_LEAF_COLD_LIST): New.
11373         * builtins.def (abort, trap, unreachable): Declare cold.
11374         * calls.c (flags_from_decl_or_type): Lookup ECF_COLD.
11375         * tree-core.h (ECF_COLD): New.
11376         * tree.c (set_call_expr_flags): Handle ECF_COLD.
11377         (build_common_builtin_nodes): Mark unreachable and abort as cold.
11378
11379 2017-06-09  Jan Hubicka  <hubicka@ucw.cz>
11380
11381         * predict.c (unlikely_executed_stmt_p): Cleanup.
11382
11383 2017-06-09  Richard Biener  <rguenther@suse.de>
11384
11385         * tree-ssa-loop-im.c (execute_sm): Do not force multi-threaded
11386         model if the ref is always written to.
11387
11388 2017-06-09  Tamar Christina  <tamar.christina@arm.com>
11389
11390         * config/aarch64/aarch64.md (lrint<GPF:mode><GPI:mode>2): New.
11391
11392 2017-06-09  Tamar Christina  <tamar.christina@arm.com>
11393
11394         * config/arm/arm.c (arm_rtx_costs_internal): Make sdiv more expensive
11395         than udiv.
11396
11397 2017-06-09  Tom de Vries  <tom@codesourcery.com>
11398
11399         PR target/80855
11400         * config/nvptx/nvptx.md (define_expand "mov<QHSDISDFM>"): Error out with
11401         "target cannot support label values" when encountering LABEL_REF.
11402
11403 2017-06-09  Martin Liska  <mliska@suse.cz>
11404
11405         * tree-profile.c (gimple_gen_ic_profiler): Update comment.
11406         (gimple_gen_ic_func_profiler): Emit direct comparison
11407         of __gcov_indirect_call_callee with NULL.
11408         (gimple_gen_time_profiler): Change probability from
11409         PROB_VERY_UNLIKELY to PROB_UNLIKELY.
11410
11411 2017-06-09  Jan Hubicka  <hubicka@ucw.cz>
11412
11413         * profile.c (edge_gcov_counts): Turn to pointer.
11414         (compute_branch_probabilities, compute_branch_probabilities): Update.
11415         (branch_prob): Do not clear edge_gcov_count.
11416         * profile.h (edge_gcov_counts): Turn to pointer.
11417         (edge_gcov_count): Update.
11418
11419 2017-06-09  Jan Hubicka  <hubicka@ucw.cz>
11420
11421         * gimple.h (gimple_check_failed): Mark cold.
11422
11423 2017-06-09  Richard Biener  <rguenther@suse.de>
11424
11425         PR tree-optimization/66623
11426         * tree-vect-loop.c (vect_is_simple_reduction): Cleanup,
11427         refactor check_reduction into two parts, properly computing
11428         whether we have to check reduction validity for outer loop
11429         vectorization.
11430
11431 2017-06-09  Richard Biener  <rguenther@suse.de>
11432
11433         PR tree-optimization/79483
11434         * graphite-scop-detection.c (order): New global.
11435         (get_order): Compute bb to order mapping that satisfies code
11436         generation constraints.
11437         (cmp_pbbs): New helper.
11438         (build_scops): Start domwalk at entry block, sort generated
11439         pbbs.
11440
11441 2017-06-09  Richard Biener  <rguenther@suse.de>
11442
11443         PR middle-end/81007
11444         * ipa-polymorphic-call.c
11445         (ipa_polymorphic_call_context::restrict_to_inner_class):
11446         Skip FIELD_DECLs with error_mark_node type.
11447         * passes.def (all_lowering_passes): Run pass_build_cgraph_edges
11448         last again.
11449
11450 2017-06-09  Martin Liska  <mliska@suse.cz>
11451
11452         * predict.c (struct branch_predictor): New struct.
11453         (test_prediction_value_range): New test.
11454         (predict_c_tests): New function.
11455         * selftest-run-tests.c (selftest::run_tests): Run the function.
11456         * selftest.h: Declare new tests.
11457
11458 2017-06-09  Segher Boessenkool  <segher@kernel.crashing.org>
11459
11460         PR target/80966
11461         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Assert that
11462         gen_add3_insn did not fail.
11463         * config/rs6000/rs6000.md (add<mode>3): If asked to add a constant to
11464         r0, construct that number in a temporary reg and add that reg to r0.
11465         If asked to put the result in r0 as well, fail.
11466
11467 2017-06-08  Will Schmidt  <will_schmidt@vnet.ibm.com>
11468
11469         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling
11470         for early expansion of vec_eqv.
11471
11472 2017-06-08  Jakub Jelinek  <jakub@redhat.com>
11473
11474         PR middle-end/81005
11475         * ubsan.c (instrument_null): Avoid pointless code temporary.
11476         (pass_ubsan::execute): Instrument aggregate arguments of calls.
11477
11478 2017-06-08  Uros Bizjak  <ubizjak@gmail.com>
11479
11480         PR target/81015
11481         Revert:
11482         2016-12-14  Uros Bizjak  <ubizjak@gmail.com>
11483
11484         PR target/59874
11485         * config/i386/i386.md (*ctzhi2): New insn_and_split pattern.
11486         (*clzhi2): Ditto.
11487
11488 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
11489
11490         * predict.c (unlikely_executed_edge_p): Move ahead.
11491         (probably_never_executed_edge_p): Use it.
11492
11493 2017-06-08  Alexander Ivchenko  <alexander.ivchenko@intel.com>
11494
11495         PR middle-end/79988
11496         * tree-chkp.c (chkp_gimple_call_builtin_p): Remove
11497         gimple_call_builtin_p call.
11498
11499 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
11500
11501         * system.h (fancy_abort): Annotate by ATTRIBUTE_COLD.
11502         * rtl.h (rtl_check_failed_bounds, rtl_check_failed_type1,
11503         rtl_check_failed_type2, rtl_check_failed_code1,
11504         rtl_check_failed_code2, rtl_check_failed_code_mode,
11505         rtl_check_failed_block_symbol, cwi_check_failed_bounds,
11506         rtvec_check_failed_bounds, rtl_check_failed_flag,
11507         _fatal_insn_not_found, _fatal_insn): Likewise.
11508         * tree.h (tree_contains_struct_check_failed,
11509         tree_check_failed, tree_not_check_failed,
11510         tree_class_check_failed, tree_range_check_failed,
11511         tree_not_class_check_failed, tree_int_cst_elt_check_failed,
11512         tree_vec_elt_check_failed, phi_node_elt_check_failed,
11513         tree_operand_check_failed, omp_clause_check_failed,
11514         omp_clause_operand_check_failed, omp_clause_range_check_failed):
11515         Likewise.
11516
11517 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
11518
11519         * cgraph.c (cgraph_edge::maybe_hot_p): Do not check
11520         flag_branch_probabilities.
11521         * ipa-inline.c (edge_badness): Likewise.
11522         * ipa-profile.c (ipa_propagate_frequency_1): Likewise.
11523         * postreload-gcse.c (eliminate_partially_redundant_load): Likewise.
11524         * predict.c (maybe_hot_frequency_p): Likewise.
11525         (probably_never_executed): Likewise.
11526         * sched-ebb.c (schedule_ebbs): Likewise.
11527         * sched-rgn.c (find_single_block_region): Likewise.
11528         * tracer.c (tail_duplicate): Likewise.
11529
11530 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
11531
11532         * opts.c (finish_options): x_flag_reorder_blocks_and_partition no
11533         longer requires x_flag_profile_use.
11534
11535 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
11536
11537         * cfgrtl.c (cfg_layout_initialize): Check crtl->has_bb_partition
11538         instead of flag_reorder_blocks_and_partition.
11539         * dbxout.c (dbxout_function_end): Likewise.
11540         * dwarf2out.c (gen_subprogram_die): Likewise.
11541         * haifa-sched.c (sched_create_recovery_edges): Likewise.
11542         * hw-doloop.c (reorg_loops): Likewise.
11543         * varasm.c (assemble_start_function,
11544         assemble_end_function): Likewise.
11545         (decide_function_section): Do not check for
11546         flag_reorder_blocks_and_partition.
11547
11548 2017-06-08  Alexander Ivchenko  <alexander.ivchenko@intel.com>
11549
11550         * tree-chkp.c (chkp_get_hard_register_var_fake_base_address):
11551         New function.
11552         (chkp_get_hard_register_fake_addr_expr): Ditto.
11553         (chkp_build_addr_expr): Add check for hard reg case.
11554         (chkp_parse_array_and_component_ref): Ditto.
11555         (chkp_find_bounds_1): Ditto.
11556         (chkp_process_stmt): Don't generate bounds store for
11557         hard reg case.
11558
11559 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
11560
11561         * predict.c (maybe_hot_bb_p): Do not check profile status.
11562         (maybe_hot_edge_p): Likewise.
11563         (probably_never_executed): Check for zero counts even if profile
11564         is not read.
11565         (unlikely_executed_edge_p): New function.
11566         (unlikely_executed_stmt_p): New function.
11567         (unlikely_executed_bb_p): New function.
11568         (set_even_probabilities): Use unlikely predicates.
11569         (combine_predictions_for_bb): Likewise.
11570         (predict_paths_for_bb): Likewise.
11571         (predict_paths_leading_to_edge): Likewise.
11572         (determine_unlikely_bbs): New function.
11573         (estimate_bb_frequencies): Use it.
11574         (compute_function_frequency): Use zero counts even if profile is
11575         not read.
11576         * profile-count.h: Fix typo.
11577
11578 2017-08-08  Julia Koval  <julia.koval@intel.com>
11579
11580         * config/i386/avx512bwintrin.h (_mm512_mask_cvtepi16_storeu_epi8,
11581         _mm512_mask_cvtsepi16_storeu_epi8,
11582         _mm512_mask_cvtusepi16_storeu_epi8): New intrinsics.
11583         * config/i386/avx512vlbwintrin.h (_mm256_mask_cvtepi16_storeu_epi8,
11584         _mm_mask_cvtsepi16_storeu_epi8, _mm256_mask_cvtsepi16_storeu_epi8,
11585         _mm_mask_cvtusepi16_storeu_epi8, _mm256_mask_cvtusepi16_storeu_epi8,
11586         _mm_mask_cvtepi16_storeu_epi8): New intrinsics.
11587         * config/i386/i386-builtin-types.def (PV8Q, V8QI): New pointer type.
11588         (VOID_FTYPE_PV32QI_V32HI_USI, VOID_FTYPE_PV8QI_V8HI_UQI,
11589         VOID_FTYPE_PV16QI_V16HI_UHI): New function types.
11590         * config/i386/i386-builtin.def (__builtin_ia32_pmovwb128mem_mask,
11591         __builtin_ia32_pmovwb256mem_mask, __builtin_ia32_pmovswb128mem_mask,
11592         __builtin_ia32_pmovswb256mem_mask, __builtin_ia32_pmovuswb128mem_mask,
11593         __builtin_ia32_pmovuswb256mem_mask,
11594         __builtin_ia32_pmovuswb512mem_mask, __builtin_ia32_pmovswb512mem_mask)
11595         __builtin_ia32_pmovwb512mem_mask): New builtins.
11596
11597 2017-08-08  Julia Koval  <julia.koval@intel.com>
11598
11599         PR target/73350,80862
11600         * config/i386/subst.md (round): Fix round pattern.
11601         * config/i386/i386.c (ix86_erase_embedded_rounding):
11602         Fix erasing rounding for the fixed pattern.
11603
11604 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
11605
11606         * cfgbuild.c (find_many_sub_basic_blocks): Fix thinko.
11607
11608 2017-06-08  Martin Liska  <mliska@suse.cz>
11609
11610         PR gcov-profile/80911
11611         * gcov.c (block_info::block_info): New constructor.
11612
11613 2017-06-07  Carl Love  <cel@us.ibm.com>
11614
11615         * config/rs6000/rs6000-c: The return type of the following
11616         built-in functions was implemented as int not long long.  Fix sign
11617         of return value for the unsigned version of vec_mulo and vec_mule.
11618         vector unsigned long long vec_bperm (vector unsigned long long,
11619                                              vector unsigned char)
11620         vector signed long long vec_mule (vector signed int,
11621                                           vector signed int)
11622         vector unsigned long long vec_mule (vector unsigned int,
11623                                             vector unsigned int)
11624         vector signed long long vec_mulo (vector signed int,
11625                                           vector signed int)
11626         vector unsigned long long vec_mulo (vector unsigned int,
11627                                             vector unsigned int)
11628         * doc/extend.texi: Fix the documentation for the built-in
11629         functions.
11630
11631 2017-06-07  Carl Love  <cel@us.ibm.com>
11632
11633         PR target/80982
11634         * config/rs6000/altivec.md (double<mode>2): Fix the implementation of
11635         for BE.
11636
11637 2017-06-07  Carl Love  <cel@us.ibm.com>
11638
11639         * config/rs6000/altivec.md: Fix argument swizzle in vec_doublel
11640         support, Generate       doublehv for signed int/float for BE case only.
11641
11642 2017-06-07  Alexander Monakov  <amonakov@ispras.ru>
11643
11644         * doc/invoke.texi (mcx16): Rewrite.
11645
11646 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
11647
11648         * config/rs6000/predicates.md (rs6000_nonimmediate_operand): Delete.
11649         * config/rs6000/rs6000.md (*movsi_internal1, movsi_from_sf,
11650         *mov<mode>_softfloat, and an anonymous splitter): Use
11651         nonimmediate_operand instead of rs6000_nonimmediate_operand.
11652
11653 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
11654
11655         * config/rs6000/darwin.h (REGISTER_NAMES): Delete the SPE_ACC and
11656         SPEFSCR registers.
11657         * config/rs6000/rs6000.c (rs6000_reg_names, alt_reg_names): Ditto.
11658         (enum rs6000_reg_type): Delete SPE_ACC_TYPE and SPEFSCR_REG_TYPE.
11659         (rs6000_debug_reg_global): Adjust.
11660         (rs6000_init_hard_regno_mode_ok): Adjust.
11661         (rs6000_dbx_register_number): Adjust.
11662         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Change to 115.
11663         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
11664         Remove SPE_ACC and SPEFSCR.
11665         (REG_ALLOC_ORDER): Ditto.
11666         (FRAME_POINTER_REGNUM): Change to 111.
11667         (enum reg_class): Remove the SPE_ACC and SPEFSCR registers.
11668         (REG_CLASS_NAMES): Ditto.
11669         (REG_CLASS_CONTENTS): Delete the SPE_ACC and SPEFSCR registers.
11670         (REGISTER_NAMES): Ditto.
11671         (ADDITIONAL_REG_NAMES): Ditto.
11672         (rs6000_reg_names): Ditto.
11673         * config/rs6000/rs6000.md: Renumber some register number
11674         define_constants.
11675
11676 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
11677
11678         * config/rs6000/darwin.h (REGISTER_NAMES): Delete the SPE high
11679         registers.
11680         * config/rs6000/rs6000.c (rs6000_reg_names, alt_reg_names): Ditto.
11681         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Change from 149
11682         to 117.
11683         (DWARF_REG_TO_UNWIND_COLUMN): Do not define.
11684         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
11685         Delete the SPE high registers.
11686         (REG_ALLOC_ORDER): Ditto.
11687         (enum reg_class): Remove SPE_HIGH_REGS.
11688         (REG_CLASS_NAMES): Ditto.
11689         (REG_CLASS_CONTENTS): Delete the SPE high registers.
11690         (REGISTER_NAMES): Ditto.
11691         (rs6000_reg_names): Ditto.
11692         * doc/tm.texi.in: Remove SPE as example.
11693         * doc/tm.texi: Regenerate.
11694
11695 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
11696
11697         * config/rs6000/8540.md (ppc8540_brinc): Delete.
11698         * config/rs6000/e500mc.md (e500mc_brinc): Delete.
11699         * config/rs6000/e500mc64.md (e500mc64_brinc): Delete.
11700         * config/rs6000/rs6000.md (type): Remove "brinc".
11701
11702 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
11703
11704         * config.gcc (powerpc*-*-*): Don't add spe.h to extra_headers.
11705         (powerpc*-linux*spe*): Use ${cpu_type} instead of rs6000.
11706         * config/rs6000/linuxspe.h: Delete file.
11707         * config/rs6000/rs6000.md: Don't include spe.md.
11708         * config/rs6000/spe.h: Delete file.
11709         * config/rs6000/spe.md: Delete file.
11710         * config/rs6000/t-rs6000: Remove spe.md.
11711
11712 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
11713
11714         * config/rs6000/predicates.md (reg_or_mem_operand): Reformat.
11715         (reg_or_none500mem_operand): Delete.
11716         * config/rs6000/rs6000.md (extendsfdf2): Use reg_or_mem_operand
11717         instead of reg_or_none500mem_operand.
11718
11719 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
11720
11721         * config/rs6000/rs6000.c (rs6000_option_override_internal): Delete
11722         handling of SPE flags.
11723         * config/rs6000/rs6000.opt (-mspe, -mspe=no, -mspe=yes): Delete.
11724
11725 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
11726
11727         * config/rs6000/rs6000-common.c (rs6000_handle_option): Remove
11728         SPE ABI handling.
11729         * config/rs6000/paired.md (paired_negv2sf2): Rename to negv2sf2.
11730         (paired_absv2sf2, paired_addv2sf3, paired_subv2sf3, paired_mulv2sf3,
11731         paired_divv2sf3): Similar.
11732         * config/rs6000/predicates.md: Replace TARGET_SPE, TARGET_SPE_ABI,
11733         SPE_VECTOR_MODE and SPE_HIGH_REGNO_P by 0; simplify.
11734         * config/rs6000/rs6000-builtin.def: Delete RS6000_BUILTIN_E and
11735         RS6000_BUILTIN_S.
11736         Delete BU_SPE_1, BU_SPE_2, BU_SPE_3, BU_SPE_E, BU_SPE_P, and BU_SPE_X.
11737         Rename the paired_* instruction patterns.
11738         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Do not
11739         define __SPE__.
11740         * config/rs6000/rs6000-protos.h (invalid_e500_subreg): Delete.
11741         * config/rs6000/rs6000.c: Delete RS6000_BUILTIN_E and RS6000_BUILTIN_S.
11742         (struct rs6000_stack): Delete fields spe_gp_save_offset, spe_gp_size,
11743         spe_padding_size, and spe_64bit_regs_used.  Replace TARGET_SPE and
11744         TARGET_SPE_ABI with 0, simplify.  Replace SPE_VECTOR_MODE with
11745         PAIRED_VECTOR_MODE.
11746         (struct machine_function): Delete field spe_insn_chain_scanned_p.
11747         (spe_func_has_64bit_regs_p): Delete.
11748         (spe_expand_predicate_builtin): Delete.
11749         (spe_expand_evsel_builtin): Delete.
11750         (TARGET_DWARF_REGISTER_SPAN): Do not define.
11751         (TARGET_MEMBER_TYPE_FORCES_BLK): Do not define.
11752         (invalid_e500_subreg): Delete.
11753         (rs6000_legitimize_address): Always force_reg op2 as well, for
11754         paired single memory accesses.
11755         (rs6000_member_type_forces_blk): Delete.
11756         (rs6000_spe_function_arg): Delete.
11757         (rs6000_expand_unop_builtin): Delete SPE handling.
11758         (rs6000_expand_binop_builtin): Ditto.
11759         (spe_expand_stv_builtin): Delete.
11760         (bdesc_2arg_spe): Delete.
11761         (spe_expand_builtin): Delete.
11762         (spe_expand_predicate_builtin): Delete.
11763         (spe_expand_evsel_builtin): Delete.
11764         (rs6000_invalid_builtin): Remove RS6000_BTM_SPE handling.
11765         (spe_init_builtins): Delete.
11766         (spe_func_has_64bit_regs_p): Delete.
11767         (savres_routine_name): Delete "info" parameter.  Adjust callers.
11768         (rs6000_emit_stack_reset): Ditto.
11769         (rs6000_dwarf_register_span): Delete.
11770         * config/rs6000/rs6000.h (TARGET_SPE_ABI, TARGET_SPE,
11771         UNITS_PER_SPE_WORD, SPE_HIGH_REGNO_P, SPE_SIMD_REGNO_P,
11772         SPE_VECTOR_MODE, RS6000_BTM_SPE, RS6000_BUILTIN_E, RS6000_BUILTIN_S):
11773         Delete.
11774         * config/rs6000/rs6000.md (FIRST_SPE_HIGH_REGNO, LAST_SPE_HIGH_REGNO):
11775         Delete.
11776         * config/rs6000/rs6000.opt (-mabi=spe, -mabi=no-spe): Delete.
11777         * config/rs6000/spe.md: Delete every pattern that uses TARGET_SPE.
11778         * config/rs6000/vector.md (absv2sf2, negv2sf2, addv2sf3, subv2sf3,
11779         mulv2sf3, divv2sf3): Delete expanders.
11780
11781 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
11782
11783         config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Delete.
11784
11785 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
11786
11787         * config/rs6000/rs6000-protos.h (output_e500_flip_gt_bit): Delete.
11788         * config/rs6000/rs6000.c: Ditto.
11789
11790 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
11791
11792         * config/rs6000/predicated.md (rs6000_cbranch_operator): Delete.
11793         * config/rs6000/rs6000.md: Replace rs6000_cbranch_operator by
11794         comparison_operator.
11795
11796 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
11797
11798         * config/rs6000/rs6000.c: Remove everything related to -mfloat-gprs.
11799         * config/rs6000/rs6000.opt: Ditto.
11800         * config/rs6000/t-rtems: Ditto.
11801
11802 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
11803
11804         * config/rs6000/predicates.md: Replace TARGET_E500_DOUBLE and
11805         TARGET_E500_SINGLE by 0, simplify.
11806         * config/rs6000/rs6000.c: Ditto.
11807         (rs6000_option_override_internal): Delete CHECK_E500_OPTIONS.
11808         (spe_build_register_parallel): Delete.
11809         * config/rs6000/rs6000.h: Delete TARGET_E500_SINGLE,
11810         TARGET_E500_DOUBLE, and CHECK_E500_OPTIONS.
11811         * config/rs6000/rs6000.md: Replace TARGET_E500_DOUBLE,
11812         TARGET_E500_SINGLE, and <E500_CONVERT> by 0, simplify.
11813         (E500_CONVERT): Delete.
11814         * config/rs6000/spe.md: Remove many patterns and all define_constants.
11815
11816 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
11817
11818         * config/rs6000/darwin.md: Replace TARGET_FPRS by 1 and simplify.
11819         * config/rs6000/dfp.md: Ditto.
11820         (negdd2, *negdd2_fpr): Merge.
11821         (absdd2, *absdd2_fpr): Merge.
11822         (negtd2, *negtd2_fpr): Merge.
11823         (abstd2, *abstd2_fpr): Merge.
11824         * config/rs6000/e500.h: Delete file.
11825         * config/rs6000/predicates.md (rs6000_cbranch_operator): Replace
11826         TARGET_FPRS by 1 and simplify.
11827         * config/rs6000/rs6000-c.c: Ditto.
11828         * config/rs6000/rs6000.c: Ditto.  Also replace TARGET_SF_SPE and
11829         TARGET_DF_SPE by 0.
11830         * config/rs6000/rs6000.h: Ditto.  Delete TARGET_SF_SPE and
11831         TARGET_DF_SPE.
11832         * config/rs6000/rs6000.md: Ditto.
11833         (floatdidf2, *floatdidf2_fpr): Merge.
11834         (move_from_CR_gt_bit): Delete.
11835         * config/rs6000/spe.md: Replace TARGET_FPRS by 1 and simplify.
11836         (E500_CR_IOR_COMPARE): Delete.
11837         (All patterns that require !TARGET_FPRS): Delete.
11838         * config/rs6000/vsx.md: Replace TARGET_FPRS by 1 and simplify.
11839
11840 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
11841
11842         * passes.def (pass_iv_canon): Move before pass_loop_distribution.
11843
11844 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
11845
11846         * graphds.c (add_edge): Intitialize edge's attached data.
11847         (foll_in_subgraph, dfs_fst_edge, dfs_next_edge): New function
11848         pointer parameter.  Call pointed function on each edge during
11849         graph traversing.  Skip traversing the edge when the function
11850         returns true.
11851         (graphds_dfs, graphds_scc): Ditto.
11852         (for_each_edge): New parameter.  Pass the new parameter to callback
11853         function.
11854         * graphds.h (skip_edge_callback): New function pointer type.
11855         (graphds_dfs, graphds_scc): New function pointer parameter.
11856         (graphds_edge_callback, for_each_edge): New parameter.
11857
11858 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
11859
11860         * tree-vect-data-refs.c (vect_mark_for_runtime_alias_test): Factor
11861         out code checking if runtime alias check is possible to below ...
11862         Call the new function.
11863         * tree-data-ref.c (runtime_alias_check_p): ... to new function.
11864         * tree-data-ref.h (runtime_alias_check_p): New decalaration.
11865
11866 2017-06-07  Marek Polacek  <polacek@redhat.com>
11867
11868         PR sanitizer/80932
11869         * fold-const.c (extract_muldiv_1) <case MINUS_EXPR>: Add
11870         TYPE_OVERFLOW_WRAPS check.
11871
11872 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
11873
11874         * tree-vect-loop-manip.c (vect_do_peeling): Don't skip vector loop
11875         if versioning is required.
11876         * tree-vect-loop.c (vect_analyze_loop_2): Merge niter check for loop
11877         peeling with the check for versioning.
11878
11879 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
11880
11881         * tree-vectorizer.h (vect_build_loop_niters): New parameter.
11882         * tree-vect-loop-manip.c (vect_build_loop_niters): New parameter.
11883         Set true to new parameter if new ssa variable is defined.
11884         (vect_gen_vector_loop_niters): Refactor.  Set range information
11885         for the new vector loop bound variable.
11886         (vect_do_peeling): Ditto.
11887
11888 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
11889
11890         * tree-affine.c (ssa.h): Include header file.
11891         (tree_to_aff_combination): Handle (T1)(X - CST) when inner type
11892         has wrapping overflow behavior.
11893
11894 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
11895
11896         * tree-affine.c (tree_to_aff_combination): Handle (T1)(X + X).
11897
11898 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
11899
11900         (aff_combination_expand): Move (T1)(X *+- CST) simplification to ...
11901         (tree_to_aff_combination): ... here.
11902
11903 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
11904
11905         * tree-ssa-loop-ivopts.c (ivopts_estimate_reg_pressure): New
11906         reg_pressure model function.
11907         (ivopts_global_cost_for_size): Delete.
11908         (determine_set_costs, iv_ca_recount_cost): Call new model function
11909         ivopts_estimate_reg_pressure.
11910
11911 2017-06-07  Tamar Christina  <tamar.christina@arm.com>
11912
11913         * config/aarch64/aarch64.c (aarch64_rtx_costs): Make sdiv more
11914         expensive than udiv.  Remove floating point cases from mod.
11915
11916 2017-06-07  Tamar Christina  <tamar.christina@arm.com>
11917
11918         * config/arm/aarch-cost-tables.h (cortexa53_extra_cost):
11919         Increase idiv cost.
11920
11921 2017-06-07  Tamar Christina  <tamar.christina@arm.com>
11922
11923         * config/aarch64/aarch64.md
11924         (copysignsf3): Fix mask generation.
11925
11926 2017-06-07  Jakub Jelinek  <jakub@redhat.com>
11927
11928         * dumpfile.h (enum tree_dump_index): Rename TDI_generic to
11929         TDI_gimple.
11930         (class dump_manager): Add register_dumps method.
11931         * dumpfile.c: Include langhooks.h.
11932         (dump_files): Use 0 instead of 3/4/5 for TDI_{original,gimple,nested}.
11933         (FIRST_AUTO_NUMBERED_DUMP): Decrease to 1.
11934         (FIRST_ME_AUTO_NUMBERED_DUMP): Define.
11935         (dump_manager::dump_register): Start with 512 entries instead of 32.
11936         (dump_manager::register_dumps): New method.
11937         * toplev.c (general_init): Instead of invoking register_dumps
11938         langhook, invoke register_dumps method on the dump manager.
11939         * gimplify.c (gimplify_function_tree): Use TDI_gimple instead of
11940         TDI_generic.
11941
11942 2017-06-07  Richard Sandiford  <richard.sandiford@linaro.org>
11943
11944         * doc/md.texi: Clarify the restrictions on a define_insn condition.
11945         Say that # requires an associated define_split to exist, and that
11946         the define_split must be suitable for use after register allocation.
11947
11948 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
11949
11950         * cfgbuild.c (find_bb_boundaries): Initialize profile of split blocks.
11951         (compute_outgoing_frequencies): Also initialize zero counts.
11952         (find_many_sub_basic_blocks): Do not produce uninitialized profile
11953         around loops; preserve more of profile when nothing changes.
11954
11955 2017-06-06  Jim Wilson  <jim.wilson@linaro.org>
11956
11957         * config/aarch64/aarch64-cost-tables.h (qdf24xx_extra_costs): Move to
11958         here.
11959         * config/arm/aarch-cost-tables.h (qdf24xx_extra_costs): From here.
11960         * config/arm/arm-cpu-cdata.h: Regenerate.
11961         * config/arm/arm-cpu-data.h, config/arm/arm-cpu.h: Likewise.
11962         * config/arm/arm-tables.opt, config/arm/arm-tune.md: Likewise.
11963         * config/arm/arm-cpus.in: Delete falkor and qdf24xx entries.
11964         * config/arm/arm.c (arm_qdf24xx_tune): Delete.
11965         * config/arm/bpabi.h (BE8_LINK_SPEC): Delete falkor and qdf24xx
11966         support.
11967         * config/arm/t-aprofile (MULTILIB_MATCHES): Delete falkor and qdf24xx
11968         support.
11969         * config/arm/t-rmprofile: Likewise.
11970         * doc/invoke.texi (ARM Options): Drop falkor and qdf24xx support.
11971
11972 2017-06-06  David S. Miller  <davem@davemloft.net>
11973
11974         PR target/80968
11975         * config/sparc/sparc.c (sparc_expand_prologue): Emit frame
11976         blockage if function uses alloca.
11977
11978 2017-06-06  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
11979
11980         * tree-ssa-loop-prefetch.c (struct mem_ref_group, struct mem_ref):
11981         New "uid" fields to hold pretty-print IDs of group and ref.
11982         Memory references are now identified as <group_id>:<ref_id>
11983         instead of using [random] addresses.
11984         (dump_mem_details): Simplify, no functional change.
11985         (dump_mem_ref): Simplify and make output more concise.
11986         Replace couple of fprintf's throughout code with calls to dump_mem_ref.
11987         (find_or_create_group): Initialize group uid.
11988         (record_ref): Initialize ref uid.  Improve debug output.
11989         (prune_group_by_reuse, should_issue_prefetch_p,)
11990         (should_issue_prefetch_p, schedule_prefetches, issue_prefetch_ref,)
11991         (mark_nontemporal_store, determine_loop_nest_reuse):
11992         Improve debug output.
11993
11994 2017-06-06  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
11995
11996         * dbgcnt.def (prefetch): New debug counter.
11997         * tree-ssa-loop-prefetch.c (dbgcnt.h): New include.
11998         (schedule_prefetches): Stop issueing prefetches if debug counter
11999         tripped.
12000
12001 2017-06-06  Tom de Vries  <tom@codesourcery.com>
12002
12003         * doc/sourcebuild.texi (Testsuites, C Language Testsuites,
12004         gcc.c-torture/compile): Remove mention of NO_LABEL_VALUES in fixme.
12005
12006 2017-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12007
12008         * config/aarch64/atomics.md (atomic_compare_and_swap<mode> expander):
12009         Use aarch64_reg_or_zero predicate for operand 4.
12010         (aarch64_compare_and_swap<mode> define_insn_and_split):
12011         Use aarch64_reg_or_zero predicate for operand 3.  Add 'Z' constraint.
12012         (aarch64_store_exclusive<mode>): Likewise for operand 2.
12013
12014 2017-06-06  Thomas Preud'homme  <thomas.preudhomme@arm.com>
12015
12016         * config/arm/arm.c (arm_compute_save_reg_mask): Rename into ...
12017         (arm_compute_save_core_reg_mask): This.
12018         (thumb1_compute_save_reg_mask): Rename into ...
12019         (thumb1_compute_save_core_reg_mask): This.
12020         (arm_compute_save_reg0_reg12_mask): Adapt comment.
12021         (arm_compute_frame_layout): Likewise.
12022
12023 2017-06-06  Richard Biener  <rguenther@suse.de>
12024
12025         PR tree-optimization/80974
12026         * tree-ssa-sccvn.c (set_ssa_val_to): Do not change but only
12027         keep or clear leaders SSA info.
12028
12029 2017-06-06  Tom de Vries  <tom@codesourcery.com>
12030
12031         * config/nvptx/nvptx.c (split_mode_p): New function.
12032         (nvptx_declare_function_name, nvptx_print_operand): Use split_mode_p.
12033
12034 2017-06-06  Tom de Vries  <tom@codesourcery.com>
12035
12036         * config/nvptx/nvptx.c (nvptx_print_operand): Use maybe_split_mode.
12037
12038 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
12039
12040         PR bootstrap/80978
12041         * tree-cfg.c (execute_fixup_cfg): Fix condition on when to rescale
12042         profile.
12043
12044 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
12045
12046         * shrink-wrap.c (handle_simple_exit): Update profile.
12047         (try_shrink_wrapping): Upate profile.
12048
12049 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
12050
12051         * predict.c (tree_estimate_probability_bb): Add LOCAL_ONLY.
12052         (tree_guess_outgoing_edge_probabilities): New.
12053         * predict.h (tree_guess_outgoing_edge_probabilities): Declare.
12054         * tree-cfg.c (gimple_find_sub_bbs): Propagate profile.
12055
12056 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
12057
12058         * ipa-split.c (split_function): Initialize return bb profile.
12059
12060 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
12061
12062         * profile.c (compute_branch_probabilities): Also initialize
12063         EXIT_BLOCK profile.
12064
12065 2017-06-06  Richard Biener  <rguenther@suse.de>
12066
12067         PR tree-optimization/80928
12068         * tree-vect-loop.c (vect_update_vf_for_slp): Amend dumps.
12069         (vect_analyze_loop_operations): Properly guard analysis for
12070         pure SLP case.
12071         (vect_transform_loop): Likewise.
12072         (vect_analyze_loop_2): Also reset SLP type on PHIs.
12073         (vect_model_induction_cost): Do not cost for pure SLP.
12074         (vectorizable_induction): Pass in SLP node, implement SLP vectorization
12075         of induction in inner loop vectorization.
12076         * tree-vect-slp.c (vect_create_new_slp_node): Handle PHIs.
12077         (vect_get_and_check_slp_defs): Handle vect_induction_def.
12078         (vect_build_slp_tree): Likewise.  Handle PHIs as terminating the
12079         recursion.
12080         (vect_analyze_slp_cost_1): Cost induction.
12081         (vect_detect_hybrid_slp_stmts): Handle PHIs.
12082         (vect_get_slp_vect_defs): Likewise.
12083         * tree-vect-stmts.c (vect_analyze_stmt): Handle induction.
12084         (vect_transform_stmt): Handle SLP reductions.
12085         * tree-vectorizer.h (vectorizable_induction): Adjust.
12086
12087 2017-06-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
12088
12089         * config/rs6000/rs6000.c (make_resolver_func): Update
12090         init_lowered_empty_function call.
12091
12092 2017-06-05  Bernd Edlinger  <bernd.edlinger@hotmail.de>
12093
12094         * doc/invoke.texi: Document the -fprofile-abs-path option.
12095         * common.opt (fprofile-abs-path): New option.
12096         * gcov-io.h (gcov_write_filename): Declare.
12097         * gcov-io.c (gcov_write_filename): New function.
12098         * coverage.c (coverage_begin_function): Use gcov_write_filename.
12099         * profile.c (output_location): Likewise.
12100
12101 2017-06-05  Jan Hubicka  <hubicka@ucw.cz>
12102
12103         * shring-wrap.c: Revert accidental commit.
12104
12105 2017-06-05  Volker Reichelt  <v.reichelt@netcologne.de>
12106
12107         * doc/invoke.texi (-Wduplicated-branches): Add to warning list.
12108
12109 2017-06-05  Jan Hubicka  <hubicka@ucw.cz>
12110
12111         * cfgexpand.c (expand_gimple_tailcall): Initialize profile of
12112         new edge.
12113         * ipa-inline.c (want_inline_self_recursive_call_p): Watch for missing
12114         profile in callgraph edge.
12115         * profile-count.h (apply_probability): If THIS is 0, then result is 0
12116         (apply_scale): Likewise.
12117         * tree-inline.c (copy_bb, copy_edges_for_bb, copy_cfg_body):
12118         Also scale profile when inlining function with zero profile.
12119         (initialize_cfun): Update exit block profile even when it is zero.
12120         * tree-ssa-threadupdate.c (clear_counts_path): Handle correctly case
12121         when profile is read.
12122
12123 2017-06-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
12124
12125         * config/rs6000/rs6000.c (toplevel): Include attribs.h.
12126         (CLONE_*): New constants to define the processors we can generate
12127         code for with the target_clone attribute.
12128         (rs6000_clone_map): New array to identify which clone processors
12129         the current program is running on.
12130         (TARGET_COMPARE_VERSION_PRIORITY): Define to enable the
12131         target_clone attribute.
12132         (TARGET_GENERATE_VERSION_DISPATCHER_BODY): Likewise.
12133         (TARGET_GET_FUNCTION_VERSIONS_DISPATCHER): Likewise.
12134         (TARGET_OPTION_FUNCTION_VERSIONS): Likewise.
12135         (cpu_expand_builtin): Add support for target_clone attribute.
12136         (rs6000_valid_attribute_p): Allow "default" attribute.
12137         (get_decl_name): New debug function to simplify printing the
12138         current function name in debugging statements.
12139         (rs6000_clone_priority): New functions to support the target_clone
12140         attribute, and be able to generate code to switch between ISA 2.05
12141         through ISA 3.0 (power6 through power9).
12142         (rs6000_compare_version_priority): Likewise.
12143         (rs6000_get_function_versions_dispatcher): Likewise.
12144         (make_resolver_func): Likewise.
12145         (add_condition_to_bb): Likewise.
12146         (dispatch_function_versions): Likewise.
12147         (rs6000_generate_version_dispatcher_body): Likewise.
12148         (rs6000_can_inline_p): Call get_decl_name for debugging usage.
12149         (fusion_gpr_load_p): Fix a spacing issue.
12150         * doc/extend.texi (Common Function Attributes): Document that the
12151         PowerPC supports the target_clone attribute.
12152
12153 2017-06-05  Thomas Preud'homme  <thomas.preudhomme@arm.com>
12154
12155         * config/arm/arm.h: explain F symbol found in description of ARM
12156         register allocation in its legend.
12157
12158 2017-06-05  Jan Hubicka  <hubicka@ucw.cz>
12159
12160         * config/mips/frame-header-opt.c: Include profile-count.h.
12161         * config/riscv/riscv.c: Include profile-count.h
12162
12163 2017-06-05  Jan Hubicka  <hubicka@ucw.cz>
12164
12165         * tree-ssa-loop-im.c (execute_sm_if_changed): Add FLAG_BBS parameter;
12166         update profile.
12167         (sm_set_flag_if_changed): Add bbs field.
12168         (execute_sm_if_changed_flag_set): Pass BBS.
12169         (execute_sm): Update.
12170
12171 2017-06-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12172
12173         * config/aarch64/aarch64-simd.md (aarch64_store_lane0<mode>):
12174         New pattern.
12175
12176 2017-06-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12177
12178         * config/aarch64/aarch64.md (sub<mode>3_compare1_imm): New define_insn.
12179         (peephole2): New peephole2 to emit the above.
12180         * config/aarch64/predicates.md (aarch64_sub_immediate): New predicate.
12181
12182 2017-06-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12183
12184         * config/aarch64/aarch64.c (define_peephole2 above
12185         *sub_<shift>_<mode>): New peephole.
12186
12187 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
12188
12189         * config/i386/i386.c (make_resolver_func): Update.
12190         * Makefile.in: Add profile-count.h and profile-count.o
12191         * auto-profile.c (afdo_indirect_call): Update to new API.
12192         (afdo_set_bb_count): Update.
12193         (afdo_propagate_edge): Update.
12194         (afdo_propagate_circuit): Update.
12195         (afdo_calculate_branch_prob): Update.
12196         (afdo_annotate_cfg): Update.
12197         * basic-block.h: Include profile-count.h
12198         (struct edge_def): Turn count to profile_count.
12199         (struct basic_block_def): Likewie.
12200         (REG_BR_PROB_BASE): Move to profile-count.h
12201         (RDIV): Move to profile-count.h
12202         * bb-reorder.c (max_entry_count): Turn to profile_count.
12203         (find_traces): Update.
12204         (rotate_loop):Update.
12205         (connect_traces):Update.
12206         (sanitize_hot_paths):Update.
12207         * bt-load.c (migrate_btr_defs): Update.
12208         * cfg.c (RDIV): Remove.
12209         (init_flow): Use alloc_block.
12210         (alloc_block): Uninitialize count.
12211         (unchecked_make_edge): Uninitialize count.
12212         (check_bb_profile): Update.
12213         (dump_edge_info): Update.
12214         (dump_bb_info): Update.
12215         (update_bb_profile_for_threading): Update.
12216         (scale_bbs_frequencies_int): Update.
12217         (scale_bbs_frequencies_gcov_type): Update.
12218         (scale_bbs_frequencies_profile_count): New.
12219         * cfg.h (update_bb_profile_for_threading): Update.
12220         (scale_bbs_frequencies_profile_count): Declare.
12221         * cfgbuild.c (compute_outgoing_frequencies): Update.
12222         (find_many_sub_basic_blocks): Update.
12223         * cfgcleanup.c (try_forward_edges): Update.
12224         (try_crossjump_to_edge): Update.
12225         * cfgexpand.c (expand_gimple_tailcall): Update.
12226         (construct_exit_block): Update.
12227         * cfghooks.c (verify_flow_info): Update.
12228         (dump_bb_for_graph): Update.
12229         (split_edge): Update.
12230         (make_forwarder_block): Update.
12231         (duplicate_block): Update.
12232         (account_profile_record): Update.
12233         * cfgloop.c (find_subloop_latch_edge_by_profile): Update.
12234         (get_estimated_loop_iterations): Update.
12235         * cfgloopanal.c (expected_loop_iterations_unbounded): Update.
12236         (single_likely_exit): Update.
12237         * cfgloopmanip.c (scale_loop_profile): Update.
12238         (loopify): Update.
12239         (set_zero_probability): Update.
12240         (lv_adjust_loop_entry_edge): Update.
12241         * cfgrtl.c (force_nonfallthru_and_redirect): Update.
12242         (purge_dead_edges): Update.
12243         (rtl_account_profile_record): Update.
12244         * cgraph.c (cgraph_node::create): Uninitialize count.
12245         (symbol_table::create_edge): Uninitialize count.
12246         (cgraph_update_edges_for_call_stmt_node): Update.
12247         (cgraph_edge::dump_edge_flags): Update.
12248         (cgraph_node::dump): Update.
12249         (cgraph_edge::maybe_hot_p): Update.
12250         * cgraph.h: Include profile-count.h
12251         (create_clone), create_edge, create_indirect_edge): Update.
12252         (cgraph_node): Turn count to profile_count.
12253         (cgraph_edge0: Likewise.
12254         (make_speculative, clone): Update.
12255         (create_edge): Update.
12256         (init_lowered_empty_function): Update.
12257         * cgraphclones.c (cgraph_edge::clone): Update.
12258         (duplicate_thunk_for_node): Update.
12259         (cgraph_node::create_clone): Update.
12260         * cgraphunit.c (cgraph_node::analyze): Update.
12261         (cgraph_node::expand_thunk): Update.
12262         * final.c (dump_basic_block_info): Update.
12263         * gimple-streamer-in.c (input_bb): Update.
12264         * gimple-streamer-out.c (output_bb): Update.
12265         * graphite.c (print_global_statistics): Update.
12266         (print_graphite_scop_statistics): Update.
12267         * hsa-brig.c: Include basic-block.h.
12268         * hsa-dump.c: Include basic-block.h.
12269         * hsa-gen.c (T sum_slice): Update.
12270         (convert_switch_statements):Update.
12271         * hsa-regalloc.c: Include basic-block.h.
12272         * ipa-chkp.c (chkp_produce_thunks): Update.
12273         * ipa-cp.c (struct caller_statistics): Update.
12274         (init_caller_stats): Update.
12275         (gather_caller_stats): Update.
12276         (ipcp_cloning_candidate_p): Update.
12277         (good_cloning_opportunity_p): Update.
12278         (get_info_about_necessary_edges): Update.
12279         (dump_profile_updates): Update.
12280         (update_profiling_info): Update.
12281         (update_specialized_profile): Update.
12282         (perhaps_add_new_callers): Update.
12283         (decide_about_value): Update.
12284         (ipa_cp_c_finalize): Update.
12285         * ipa-devirt.c (struct odr_type_warn_count): Update.
12286         (struct decl_warn_count): Update.
12287         (struct final_warning_record): Update.
12288         (possible_polymorphic_call_targets): Update.
12289         (ipa_devirt): Update.
12290         * ipa-fnsummary.c (redirect_to_unreachable): Update.
12291         * ipa-icf.c (sem_function::merge): Update.
12292         * ipa-inline-analysis.c (do_estimate_edge_time): Update.
12293         * ipa-inline.c (compute_uninlined_call_time): Update.
12294         (compute_inlined_call_time): Update.
12295         (want_inline_small_function_p): Update.
12296         (want_inline_self_recursive_call_p): Update.
12297         (edge_badness): Update.
12298         (lookup_recursive_calls): Update.
12299         (recursive_inlining): Update.
12300         (inline_small_functions): Update.
12301         (dump_overall_stats): Update.
12302         (dump_inline_stats): Update.
12303         * ipa-profile.c (ipa_profile_generate_summary): Update.
12304         (ipa_propagate_frequency): Update.
12305         (ipa_profile): Update.
12306         * ipa-prop.c (ipa_make_edge_direct_to_target): Update.
12307         * ipa-utils.c (ipa_merge_profiles): Update.
12308         * loop-doloop.c (doloop_modify): Update.
12309         * loop-unroll.c (report_unroll): Update.
12310         (unroll_loop_runtime_iterations): Update.
12311         * lto-cgraph.c (lto_output_edge): Update.
12312         (lto_output_node): Update.
12313         (input_node): Update.
12314         (input_edge): Update.
12315         (merge_profile_summaries): Update.
12316         * lto-streamer-in.c (input_cfg): Update.
12317         * lto-streamer-out.c (output_cfg): Update.
12318         * mcf.c (create_fixup_graph): Update.
12319         (adjust_cfg_counts): Update.
12320         (sum_edge_counts): Update.
12321         * modulo-sched.c (sms_schedule): Update.
12322         * postreload-gcse.c (eliminate_partially_redundant_load): Update.
12323         * predict.c (maybe_hot_count_p): Update.
12324         (probably_never_executed): Update.
12325         (dump_prediction): Update.
12326         (combine_predictions_for_bb): Update.
12327         (propagate_freq): Update.
12328         (handle_missing_profiles): Update.
12329         (counts_to_freqs): Update.
12330         (rebuild_frequencies): Update.
12331         (force_edge_cold): Update.
12332         * predict.h: Include profile-count.h
12333         (maybe_hot_count_p, counts_to_freqs): UPdate.
12334         * print-rtl-function.c: Do not include cfg.h
12335         * print-rtl.c: Include basic-block.h
12336         * profile-count.c: New file.
12337         * profile-count.h: New file.
12338         * profile.c (is_edge_inconsistent): Update.
12339         (correct_negative_edge_counts): Update.
12340         (is_inconsistent): Update.
12341         (set_bb_counts): Update.
12342         (read_profile_edge_counts): Update.
12343         (compute_frequency_overlap): Update.
12344         (compute_branch_probabilities): Update; Initialize and deinitialize
12345         gcov_count tables.
12346         (branch_prob): Update.
12347         * profile.h (bb_gcov_counts, edge_gcov_counts): New.
12348         (edge_gcov_count): New.
12349         (bb_gcov_count): New.
12350         * shrink-wrap.c (try_shrink_wrapping): Update.
12351         * tracer.c (better_p): Update.
12352         * trans-mem.c (expand_transaction): Update.
12353         (ipa_tm_insert_irr_call): Update.
12354         (ipa_tm_insert_gettmclone_call): Update.
12355         * tree-call-cdce.c: Update.
12356         * tree-cfg.c (gimple_duplicate_sese_region): Update.
12357         (gimple_duplicate_sese_tail): Update.
12358         (gimple_account_profile_record): Update.
12359         (execute_fixup_cfg): Update.
12360         * tree-inline.c (copy_bb): Update.
12361         (copy_edges_for_bb): Update.
12362         (initialize_cfun): Update.
12363         (freqs_to_counts): Update.
12364         (copy_cfg_body): Update.
12365         (expand_call_inline): Update.
12366         * tree-ssa-ifcombine.c (update_profile_after_ifcombine): Update.
12367         * tree-ssa-loop-ivcanon.c (unloop_loops): Update.
12368         (try_unroll_loop_completely): Update.
12369         (try_peel_loop): Update.
12370         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update.
12371         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop): Update.
12372         * tree-ssa-loop-split.c (connect_loops): Update.
12373         * tree-ssa-loop-unswitch.c (hoist_guard): Update.
12374         * tree-ssa-reassoc.c (branch_fixup): Update.
12375         * tree-ssa-tail-merge.c (replace_block_by): Update.
12376         * tree-ssa-threadupdate.c (create_block_for_threading): Update.
12377         (compute_path_counts): Update.
12378         (update_profile): Update.
12379         (recompute_probabilities): Update.
12380         (update_joiner_offpath_counts): Update.
12381         (estimated_freqs_path): Update.
12382         (freqs_to_counts_path): Update.
12383         (clear_counts_path): Update.
12384         (ssa_fix_duplicate_block_edges): Update.
12385         (duplicate_thread_path): Update.
12386         * tree-switch-conversion.c (case_bit_test_cmp): Update.
12387         (struct switch_conv_info): Update.
12388         * tree-tailcall.c (decrease_profile): Update.
12389         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Update.
12390         * tree-vect-loop.c (scale_profile_for_vect_loop): Update.
12391         * value-prof.c (check_counter): Update.
12392         (gimple_divmod_fixed_value): Update.
12393         (gimple_mod_pow2): Update.
12394         (gimple_mod_subtract): Update.
12395         (gimple_ic_transform): Update.
12396         (gimple_stringop_fixed_value): Update.
12397         * value-prof.h (gimple_ic): Update.
12398
12399 2017-06-02  Carl Love  <cel@us.ibm.com>
12400
12401         * config/rs6000/rs6000-c: Add support for built-in functions
12402         vector double vec_doublee (vector signed int);
12403         vector double vec_doublee (vector unsigned int);
12404         vector double vec_doublee (vector float);
12405         vector double vec_doubleh (vector signed int);
12406         vector double vec_doubleh (vector unsigned int);
12407         vector double vec_doubleh (vector float);
12408         vector double vec_doublel (vector signed int);
12409         vector double vec_doublel (vector unsigned int);
12410         vector double vec_doublel (vector float);
12411         vector double vec_doubleo (vector signed int);
12412         vector double vec_doubleo (vector unsigned int);
12413         vector double vec_doubleo (vector float);.
12414         * config/rs6000/rs6000-builtin.def: Add definitions for DOUBLEE,
12415         DOUBLEO, DOUBLEH, DOUBLEL, UNS_DOUBLEO, UNS_DOUBLEE, UNS_DOUBLEH,
12416         UNS_DOUBLEL.
12417         * config/rs6000/altivec.md: Add code generator for doublee<mode>2,
12418         unsdoubleev4si2, doubleo<mode>2, unsdoubleov4si2, doubleh<mode>2,
12419         unsdoublehv4si2, doublel<mode>2, unsdoublelv4si2, add mode attribute
12420         VS_sxwsp.
12421         * config/rs6000/altivec.h: Add define for vec_doublee, vec_doubleo,
12422         vec_doublel, vec_doubleh.
12423         * doc/extend.texi: Update the built-in documentation file for the
12424         new built-in functions.
12425
12426 2017-06-02  David Malcolm  <dmalcolm@redhat.com>
12427
12428         PR jit/80954
12429         * ipa-inline-analysis.c (free_growth_caches): Set
12430         edge_removal_hook_holder to NULL after removing it.
12431
12432 2017-06-02  Sudakshina Das  <sudi.das@arm.com>
12433
12434         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Return CC_SWP for
12435         comparision with zero.
12436
12437 2017-06-02  Will Schmidt  <will_schmidt@vnet.ibm.com>
12438         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling
12439         for early expansion of vec_min and vec_max builtins.
12440         (builtin_function_type): Add min/max unsigned variants to those
12441         identified as having unsigned arguments.
12442
12443 2017-06-02  Olivier Hainque  <hainque@adacore.com>
12444
12445         * config/vx-common.h (DWARF_UNWIND_INFO): Switch #define to 1.
12446
12447 2017-06-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12448
12449         * config/aarch64/aarch64-simd.md (*aarch64_simd_vec_copy_lane<mode>):
12450         Use VALL_F16 iterator rather than VALL.
12451
12452 2017-06-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12453
12454         * config/aarch64/aarch64.c (aarch64_split_compare_and_swap):
12455         Emit CBNZ inside loop when doing a strong exchange and comparing
12456         against zero.  Generate the CC flags after the loop.
12457
12458 2017-06-02  David Edelsohn  <dje.gcc@gmail.com>
12459
12460         * dwarf2out.c (DWARF_INITIAL_LENGTH_SIZE_STR): New.
12461         (dl_section_ref): New.
12462         (dwarf2out_finish): Copy debug_line_section_label to dl_section_ref.
12463         On AIX, append an expression to subtract the size of the
12464         section length to dl_section_ref.
12465
12466 2017-06-02  Will Schmidt  <will_schmidt@vnet.ibm.com>
12467
12468         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling
12469         for early expansion of vector absolute builtins.
12470
12471 2017-06-02  Richard Biener  <rguenther@suse.de>
12472
12473         * tree-vect-slp.c (vect_detect_hybrid_slp_2): Match up
12474         what we consider a relevant use stmt with vect_detect_hybrid_slp_stmts.
12475
12476 2017-06-02  Richard Biener  <rguenther@suse.de>
12477
12478         PR tree-optimization/80948
12479         * tree-tailcall.c (find_tail_calls): Track stmts to move in
12480         stmt order as well.
12481
12482 2017-06-02  Richard Biener  <rguenther@suse.de>
12483
12484         * tree-vect-loop.c (vect_analyze_loop_operations): Not relevant
12485         PHIs are ok.
12486         * tree-vect-stmts.c (process_use): Do not mark backedge defs
12487         for inductions as relevant.
12488
12489 2017-06-02  Richard Biener  <rguenther@suse.de>
12490
12491         * tree-vect-loop.c (get_initial_def_for_induction): Inline into ...
12492         (vectorizable_induction): ... this.  Remove dead code.
12493
12494 2017-06-02  Eric Botcazou  <ebotcazou@adacore.com>
12495
12496         * builtins. (expand_builtin_alloca): Remove second parameter and
12497         infer its value from the first parameter instead.
12498         (expand_builtin) <BUILT_IN_ALLOCA>: Adjust call to above.
12499
12500 2017-06-02  Jakub Jelinek  <jakub@redhat.com>
12501
12502         PR rtl-optimization/80903
12503         * loop-doloop.c (add_test): Unshare sequence.
12504
12505 2017-06-02  Bernd Edlinger  <bernd.edlinger@hotmail.de>
12506
12507         * doc/invoke.texi: Document the -Wsizeof-pointer-div warning.
12508
12509 2017-06-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>
12510
12511         * config/i386/i386.c (x86_64_ms_sysv_extra_clobbered_registers): Make
12512         static.
12513         (xlogue_layout::get_stack_space_used, xlogue_layout::s_instances,
12514         xlogue_layout::get_instance, logue_layout::xlogue_layout,
12515         sp_valid_at, fp_valid_at, choose_basereg): Formatting.
12516         (xlogue_layout::get_stub_rtx): Make static.
12517         (xlogue_layout::get_stub_name): Avoid const-cast, make static.
12518         (xlogue_layout::compute_stub_managed_regs): Rename to...
12519         (xlogue_layout::count_stub_managed_regs): ...this.
12520         (xlogue_layout::is_stub_managed_reg): New function.
12521         (xlogue_layout::m_stub_names): Rename to...
12522         (xlogue_layout::s_stub_names): ...this, make static.
12523         (xlogue_layout::STUB_INDEX_OFFSET, xlogue_layout::MIN_REGS,
12524         xlogue_layout::MAX_REGS, xlogue_layout::MAX_EXTRA_REGS,
12525         xlogue_layout::VARIANT_COUNT, xlogue_layout::STUB_NAME_MAX_LEN,
12526         xlogue_layout::s_stub_names): Instantiate statics.
12527         (stub_managed_regs): Remove.
12528         (ix86_save_reg): Use xlogue_layout::compute_stub_managed_regs.
12529         (disable_call_ms2sysv_xlogues): Rename to...
12530         (warn_once_call_ms2sysv_xlogues): ...this, and warn only once.
12531         (ix86_initial_elimination_offset, ix86_expand_call): Fix call_ms2sysv
12532         warning logic.
12533         (ix86_static_chain): Make sure that ix86_static_chain_on_stack can't
12534         change after reload_completed.
12535         (ix86_can_use_return_insn_p): Use the ix86_frame data structure
12536         directly.
12537         (ix86_expand_prologue): Likewise.
12538         (ix86_expand_epilogue): Likewise.
12539         (ix86_expand_split_stack_prologue): Likewise.
12540         (ix86_compute_frame_layout): Remove frame parameter ...
12541         (TARGET_COMPUTE_FRAME_LAYOUT): ... and export it as a target hook.
12542         (ix86_finalize_stack_realign_flags): Call ix86_compute_frame_layout
12543         only if necessary.
12544         (ix86_init_machine_status): Don't set use_fast_prologue_epilogue_nregs.
12545         (ix86_frame): Move from here ...
12546         * config/i386/i386.h (ix86_frame): ... to here.
12547         (machine_function): Remove use_fast_prologue_epilogue_nregs, cache the
12548         complete ix86_frame data structure instead.  Remove some_ld_name.
12549
12550 2017-06-01  Pierre-Marie de Rodat  <derodat@adacore.com>
12551
12552         * dwarf2out.c (dwarf2out_late_global_decl): Add locations for
12553         symbols that hold a DECL_VALUE_EXPR.
12554
12555 2017-06-01  Martin Jambor  <mjambor@suse.cz>
12556
12557         PR tree-optimization/80898
12558         * tree-sra.c (process_subtree_disqualification): Removed.
12559         (disqualify_candidate): Do not acll
12560         process_subtree_disqualification.
12561         (subtree_mark_written_and_enqueue): New function.
12562         (propagate_all_subaccesses): Set grp_write of LHS subtree if the
12563         RHS has been disqualified and re-queue LHS if necessary.  Apart
12564         from that, ignore disqualified RHS.
12565
12566 2017-06-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
12567
12568         * config/s390/s390.c (s390_emit_epilogue): Disable early return
12569         address fetch for z10 or later.
12570
12571 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
12572
12573         * config/arc/arc.md (tst_movb): Add guard when splitting.
12574
12575 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
12576
12577         * config/arc/arc.c (arc_can_eliminate): Test against
12578         arc_frame_pointer_needed.
12579
12580 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
12581
12582         * config/arc/arc.c (arc_expand_prologue): Emit a special barrier
12583         to prevent store reordering.
12584         * config/arc/arc.md (UNSPEC_ARC_STKTIE): Define.
12585         (type): Add block type.
12586         (stack_tie): Define special instruction to be used in
12587         expand_prologue.
12588
12589 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
12590
12591         * config/arc/arc.md (commutative_binary_comparison): Remove 'I'
12592         constraint. It is not valid for the pattern.
12593         (noncommutative_binary_comparison): Likewise.
12594
12595 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
12596
12597         * config/arc/simdext.md (movv2hi_insn): Change predicate to avoid
12598         scaled addresses.
12599
12600 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
12601
12602         * config/arc/arc.c (arc_conditional_register_usage): Allow r30 to
12603         be used by the reg-alloc.
12604
12605 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
12606
12607         * config/arc/arc.md (mulsi3): Avoid use of hard registers before
12608         reg-alloc when having mul64 or mul32x16 instructions.
12609         (mulsidi3): Likewise.
12610         (umulsidi3): Likewise.
12611         (mulsi32x16): New pattern.
12612         (mulsi64): Likewise.
12613         (mulsidi64): Likewise.
12614         (umulsidi64): Likewise.
12615         (MUL32x16_REG): Define.
12616         (mul64_600): Use MUL32x16_REG.
12617         (mac64_600): Likewise.
12618         (umul64_600): Likewise.
12619         (umac64_600): Likewise.
12620
12621 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
12622
12623         * config/arc/arc.md (mulsi3_700): Make it commutative.
12624
12625 2017-06-01  Jose E. Marchesi  <jose.marchesi@oracle.com>
12626
12627         * config/sparc/sparc.md (*zero_extendsidi2_insn_sp64): Set insn
12628         type for movstouw.
12629         (*sign_extendsidi2_insn): Likewise for movstosw.
12630
12631 2017-06-01  Pierre-Marie de Rodat  <derodat@adacore.com>
12632
12633         * dwarf2out.c (get_discr_value): Call the get_debug_type hook on
12634         the type of the input discriminant value.  Convert the
12635         discriminant value of signedness vary.
12636
12637 2017-06-01  Volker Reichelt  <v.reichelt@netcologne.de>
12638
12639         * doc/invoke.texi (-Wcatch-value): Document new shortcut.
12640         Add to -Wall section.
12641
12642 2017-06-01  Richard Biener  <rguenther@suse.de>
12643
12644         PR middle-end/66313
12645         * fold-const.c (fold_plusminus_mult_expr): If the factored
12646         factor may be zero use a wrapping type for the inner operation.
12647         * tree-tailcall.c (independent_of_stmt_p): Pass in to_move bitmap
12648         and handle moved defs.
12649         (process_assignment): Properly guard the unary op case.  Return a
12650         tri-state indicating that moving the stmt before the call may allow
12651         to continue.  Pass through to_move.
12652         (find_tail_calls): Handle moving unrelated defs before
12653         the call.
12654
12655 2017-05-31  Segher Boessenkool  <segher@kernel.crashing.org>
12656
12657         PR target/80618
12658         * config/rs6000/vector.md (*vector_uneq<mode>): Write the nor in the
12659         splitter result in the canonical way.
12660
12661 2017-05-31  Uros Bizjak  <ubizjak@gmail.com>
12662
12663         * config/i386/i386.md (*zero_extendsidi2): Enable alternative (?r, *Yj)
12664         also for 32bit target.  Update insn attributes.
12665         (zero-extendsidi2 splitter): Allow all registers for operand 1.
12666
12667 2017-05-31  Sebastian Peryt  <sebastian.peryt@intel.com>
12668
12669         * config/i386/avx512fintrin.h (_mm_mask_max_sd)
12670         (_mm_maskz_max_sd, _mm_mask_max_ss, _mm_maskz_max_ss)
12671         (_mm_mask_min_sd, _mm_maskz_min_sd, _mm_mask_min_ss)
12672         (_mm_maskz_min_ss): New intrinsics.
12673
12674 2017-05-31  Martin Liska  <mliska@suse.cz>
12675
12676         * tree-vect-loop.c (vect_create_epilog_for_reduction):
12677         Change comment style to one we normally use.
12678         (vectorizable_reduction): Likewise.
12679         (vectorizable_induction): Likewise.
12680         * tree-vect-stmts.c (vectorizable_mask_load_store): Likewise.
12681         (vectorizable_call): Likewise.
12682         (vectorizable_simd_clone_call): Likewise.
12683         (vectorizable_conversion): Likewise.
12684         (vectorizable_assignment): Likewise.
12685         (vectorizable_shift): Likewise.
12686         (vectorizable_operation): Likewise.
12687         (vectorizable_store): Likewise.
12688         (vectorizable_load): Likewise.
12689         * tree-vectorizer.h: Likewise.
12690
12691 2017-05-31  Alexander Monakov  <amonakov@ispras.ru>
12692
12693         * passes.c (emergency_dump_function): New.
12694         * tree-pass.h (emergency_dump_function): Declare.
12695         * plugin.c (plugins_internal_error_function): Remove.
12696         * plugin.h (plugins_internal_error_function): Remove declaration.
12697         * toplev.c (internal_error_function): New static function.  Use it...
12698         (general_init): ...here.
12699
12700 2017-05-31  Graham Markall  <graham.markall@embecosm.com>
12701
12702         * config/arc/arc.c (arc_print_operand): Handle constant operands.
12703         (arc_rtx_costs): Add costs for new patterns.
12704         * config/arc/arc.md: Additional *add_n and *sub_n patterns.
12705         * config/arc/predicates.md: Add _1_2_3_operand predicate.
12706
12707 2017-05-31  Richard Sandiford  <richard.sandiford@linaro.org>
12708
12709         * tree-ssa-strlen.c (get_next_strinfo): New function.
12710         (get_stridx_plus_constant): Use it.
12711         (zero_length_string): Likewise.
12712         (adjust_related_strinfos): Likewise.
12713         (adjust_last_stmt): Likewise.
12714
12715 2017-05-31  Richard Biener  <rguenther@suse.de>
12716
12717         PR target/80880
12718         * config/i386/i386.c (ix86_expand_builtin): Remove assert
12719         for arg being an SSA name when expanding IX86_BUILTIN_BNDRET.
12720
12721 2017-05-31  Richard Sandiford  <richard.sandiford@linaro.org>
12722
12723         * tree-vect-data-refs.c (vect_find_same_alignment_drs): Remove
12724         loop_vinfo argument and use of dependence distance vectors.
12725         Check instead whether the two references differ only in their
12726         initial value and assume that they have the same alignment if the
12727         difference is a multiple of the vector alignment.
12728         (vect_analyze_data_refs_alignment): Update call accordingly.
12729
12730 2017-05-31  Martin Liska  <mliska@suse.cz>
12731
12732         PR target/79155
12733         * config/i386/cpuid.h: Fix typo in a comment in cpuid.h.
12734
12735 2017-05-31  Bin Cheng  <bin.cheng@arm.com>
12736
12737         * tree-vect-loop-manip.c (create_intersect_range_checks_index)
12738         (create_intersect_range_checks): Move from ...
12739         * tree-data-ref.c (create_intersect_range_checks_index)
12740         (create_intersect_range_checks): ... to here.
12741         (create_runtime_alias_checks): New function factored from ...
12742         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks): ...
12743         here.  Call above function.
12744         * tree-data-ref.h (create_runtime_alias_checks): New function.
12745
12746 2017-05-31  Bin Cheng  <bin.cheng@arm.com>
12747
12748         * tree-data-ref.c (prune_runtime_alias_test_list): Relax minimal
12749         segment length for dr_b and compute it in wide_int.
12750
12751 2017-05-31  Richard Biener  <rguenther@suse.de>
12752
12753         PR tree-optimization/80906
12754         * graphite-isl-ast-to-gimple.c (copy_loop_close_phi_nodes): Get
12755         and pass through iv_map.
12756         (copy_bb_and_scalar_dependences): Adjust.
12757         (translate_pending_phi_nodes): Likewise.
12758         (copy_loop_close_phi_args): Handle code-generating IVs instead
12759         of ICEing.
12760
12761 2017-05-30  David Malcolm  <dmalcolm@redhat.com>
12762
12763         * diagnostic-color.c (color_dict): Add "type-diff".
12764         (parse_gcc_colors): Update comment.
12765         * doc/invoke.texi (Diagnostic Message Formatting Options): Add
12766         -fdiagnostics-show-template-tree and -fno-elide-type.
12767         (GCC_COLORS): Add type-diff to example.
12768         (type-diff=): New.
12769         (-fdiagnostics-show-template-tree): New.
12770         (-fno-elide-type): New.
12771         * pretty-print.c (pp_format): Pass quote and formatters[argno] to
12772         the pp_format_decoder callback.  Call any m_format_postprocessor's
12773         "handle" method.
12774         (pretty_printer::pretty_printer): Initialize
12775         m_format_postprocessor.
12776         (pretty_printer::~pretty_printer): Delete any
12777         m_format_postprocessor.
12778         * pretty-print.h (printer_fn): Add bool and const char ** parameters.
12779         (class format_postprocessor): New class.
12780         (struct pretty_printer::format_decoder): Document the new parameters.
12781         (struct pretty_printer::m_format_postprocessor): New field.
12782         * tree-diagnostic.c (default_tree_printer): Update for new
12783         bool and const char ** params.
12784         * tree-diagnostic.h (default_tree_printer): Likewise.
12785
12786 2017-05-30  Segher Boessenkool  <segher@kernel.crashing.org>
12787
12788         * config/rs6000/predicates.md (cc_reg_not_micro_cr0_operand): Delete.
12789         (lwa_operand): Delete rs6000_gen_cell_microcode test.
12790         * config/rs6000/rs6000.c (rs6000_option_override_internal): Delete
12791         rs6000_gen_cell_microcode code.
12792         (rs6000_final_prescan_insn): Delete.
12793         (rs6000_opt_vars): Delete the "gen-cell-microcode" and
12794         "warn-cell-microcode" entries.
12795         * config/rs6000/rs6000.h (FINAL_PRESCAN_INSN): Delete.
12796         * config/rs6000/rs6000.md: Delete rs6000_gen_cell_microcode tests
12797         throughout.  Change cc_reg_not_micro_cr0_operand to
12798         cc_reg_not_cr0_operand throughout.
12799         (*extendhi<mode>2_noload): Delete.
12800         * config/rs6000/rs6000.opt (mgen-cell-microcode): Replace by stub.
12801         (mwarn-cell-microcode): Delete.
12802         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete
12803         -mgen-cell-microcode and -mwarn-cell-microcode.
12804
12805 2017-05-30  Uros Bizjak  <ubizjak@gmail.com>
12806
12807         PR target/80833
12808         * config/i386/constraints.md (Yd): New constraint.
12809         (Ye): Ditto.
12810         * config/i386/i386.md (*movti_internal): Add (?r, Ye)
12811         and (?Yd, r) alternatives.  Update insn attributes.
12812         * config/i386/i386.md (*movti_internal): Add (?r, *Ye)
12813         and (?*Yd, r) alternatives.  Update insn attributes.
12814         (double-mode inter-unit splitters): Add new GR<->XMM splitters.
12815
12816 2017-05-30  Pierre-Marie de Rodat  <derodat@adacore.com>
12817
12818         * gimplify.c (gimplify_modify_expr): Don't create a
12819         DECL_DEBUG_EXPR link if *FROM_P does not belong to the current
12820         function.
12821
12822 2017-05-30  Wilco Dijkstra  <wdijkstr@arm.com>
12823
12824         * config/arm/arm-builtins.c (arm_expand_builtin): Remove const.
12825
12826 2017-05-30  Richard Biener  <rguenther@suse.de>
12827
12828         * tree-vectorizer.h (struct _stmt_vec_info): Add reduc_type
12829         and reduc_def fields.
12830         (STMT_VINFO_REDUC_TYPE): New define.
12831         (STMT_VINFO_REDUC_DEF): Likewise.
12832         (vect_force_simple_reduction): Adjust prototype.
12833         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Adjust.
12834         (vect_is_simple_reduction): Remove check_reduction argument.
12835         (vect_force_simple_reduction): Adjust and set
12836         STMT_VINFO_REDUC_TYPE and STMT_VINFO_REDUC_DEF.
12837         (vectorizable_reduction): Do not re-do reduction analysis
12838         but use STMT_VINFO_REDUC_TYPE and STMT_VINFO_REDUC_DEF.
12839         * tree-parloops.c (gather_scalar_reductions): Adjust.
12840
12841 2017-05-30  Richard Biener  <rguenther@suse.de>
12842
12843         PR middle-end/80901
12844         * cfgexpand.c (expand_gimple_cond): Match up loop fixup with
12845         split_edge code.
12846
12847 2017-05-24  Robin Dapp  <rdapp@linux.vnet.ibm.com>
12848
12849         * tree-vect-data-refs.c (vect_get_peeling_costs_all_drs):
12850         Introduce unknown_misalignment parameter and remove vf.
12851         (vect_peeling_hash_get_lowest_cost):
12852         Pass unknown_misalignment parameter.
12853         (vect_enhance_data_refs_alignment):
12854         Fix unsupportable data ref treatment.
12855
12856 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
12857
12858         * tree-vect-data-refs.c (vect_get_data_access_cost):
12859         Workaround for SLP handling.
12860         (vect_enhance_data_refs_alignment):
12861         Compute costs for doing no peeling at all, compare to the best
12862         peeling costs so far and avoid peeling if cheaper.
12863
12864 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
12865
12866         * tree-vect-data-refs.c (vect_peeling_hash_choose_best_peeling):
12867         Return peeling info and set costs to zero for unlimited cost
12868         model.
12869         (vect_enhance_data_refs_alignment): Also inspect all datarefs
12870         with unknown misalignment. Compute and costs for unknown
12871         misalignment, compare them to the costs for known misalignment
12872         and choose the cheapest for peeling.
12873
12874 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
12875
12876         * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Rename.
12877         (vect_get_peeling_costs_all_drs): Create function.
12878         (vect_peeling_hash_get_lowest_cost):
12879         Use vect_get_peeling_costs_all_drs.
12880         (vect_peeling_supportable): Create function.
12881         (vect_enhance_data_refs_alignment): Use vect_peeling_supportable.
12882
12883 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
12884
12885         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Create
12886         DR_HAS_NEGATIVE_STEP.
12887         (vect_update_misalignment_for_peel): Define DR_MISALIGNMENT.
12888         (vect_enhance_data_refs_alignment): Use.
12889         (vect_duplicate_ssa_name_ptr_info): Use.
12890         * tree-vectorizer.h (dr_misalignment): Use.
12891         (known_alignment_for_access_p): Use.
12892
12893 2017-05-30  Jozef Lawrynowicz  <jozef.l@somniumtech.com>
12894
12895         PR target/78838
12896         * config/msp430/msp430.c (gen_prefix): Return NULL when section name is
12897         .lowtext.
12898         (has_section_name): New function.
12899
12900 2017-05-30  Martin Liska  <mliska@suse.cz>
12901
12902         PR other/80909
12903         * auto-profile.c (get_function_decl_from_block): Fix
12904         parenthesis.
12905
12906 2017-05-30  Richard Biener  <rguenther@suse.de>
12907
12908         PR middle-end/80876
12909         * cfgexpand.c (expand_gimple_cond): Fixup preserving loops again.
12910
12911 2017-05-30  Martin Liska  <mliska@suse.cz>
12912
12913         * dumpfile.c: Use newly added macro DUMP_FILE_INFO.
12914         * dumpfile.h (struct dump_file_info): Remove ctors.
12915
12916 2017-05-30  Martin Liska  <mliska@suse.cz>
12917
12918         * predict.def: Fix GNU coding style.
12919
12920 2017-05-29  Max Filippov  <jcmvbkbc@gmail.com>
12921
12922         * config/xtensa/xtensa.c (xtensa_initial_elimination_offset):
12923         Mark 'to' argument with ATTRIBUTE_UNUSED.
12924
12925 2017-05-29  Max Filippov  <jcmvbkbc@gmail.com>
12926
12927         * config/xtensa/xtensa.c (xtensa_emit_call): Use
12928         HOST_WIDE_INT_PRINT_HEX instead of 0x%lx format string.
12929         (print_operand): Use HOST_WIDE_INT_PRINT_DEC instead of %ld
12930         format string.
12931
12932 2017-05-29  Eric Botcazou  <ebotcazou@adacore.com>
12933
12934         * doc/install.texi (Options specification): Restore entry of
12935         --enable-sjlj-exceptions.
12936
12937 2017-05-27  Michael Eager  <eager@eagercon.com>
12938
12939         Revert:
12940         2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
12941
12942         See https://gcc.gnu.org/ml/gcc/2017-05/msg00221.html.
12943
12944         * config/microblaze/microblaze.h
12945         (FIXED_REGISTERS): Update in macro.
12946         (CALL_USED_REGISTERS): Update in macro.
12947
12948 2017-05-27  François-Xavier Coudett  <fxcoudert@gcc.gnu.org>
12949
12950         * doc/install.texi: Add links to macOS binary distributions.
12951
12952 2017-05-27  Jakub Jelinek  <jakub@redhat.com>
12953
12954         PR bootstrap/80887
12955         Revert:
12956         2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
12957
12958         * match.pd ((A +- CST1) +- CST2): Allow some conversions.
12959
12960 2017-05-26  Martin Liska  <mliska@suse.cz>
12961
12962         * dumpfile.h (enum dump_kind): Renumber TDF_* flags to be contiguous.
12963
12964 2017-05-26  Martin Liska  <mliska@suse.cz>
12965
12966         * cfg.c (check_bb_profile): Do not use TDF_COMMENT and print
12967         always leading ';; '.
12968         (dump_bb_info): Likewise.
12969         (brief_dump_cfg): Likewise.
12970         * cfgrtl.c (print_rtl_with_bb): Do not use TDF_COMMENT.
12971         * dumpfile.c: Remove usage of TDF_VERBOSE.
12972         * dumpfile.h (enum dump_kind): Likewise.
12973         (dump_gimple_bb_header): Do not use TDF_COMMENT.
12974         * print-tree.c (debug_verbose): Remove.
12975         * tree-cfg.c (gimple_dump_cfg): Do not use TDF_COMMENT.
12976         (dump_function_to_file): Remove dumps guarded with TDF_VERBOSE.
12977         * tree-diagnostic.c (default_tree_printer): Replace
12978         TDF_DIAGNOSTIC with TDF_SLIM.
12979
12980 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
12981
12982         * tree-vect-loop-manip.c (create_intersect_range_checks_index): Pass
12983         in parameter loop, rather than loop_vinfo.
12984         (create_intersect_range_checks): Ditto.
12985         (vect_create_cond_for_alias_checks): Update call to above functions.
12986
12987 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
12988
12989         PR tree-optimization/80815
12990         * tree-data-ref.c (prune_runtime_alias_test_list): Simplify condition
12991         for merging runtime alias checks.  Handle negative DR_STEPs.
12992
12993 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
12994
12995         * tree-vect-data-refs.c (Operator==, comp_dr_with_seg_len_pair):
12996         Move from ...
12997         * tree-data-ref.c (Operator==, comp_dr_with_seg_len_pair): To here.
12998         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list): Factor
12999         out code pruning runtime alias checks.
13000         * tree-data-ref.c (prune_runtime_alias_test_list): New function
13001         factored out from above.
13002         * tree-vectorizer.h (struct dr_with_seg_len, dr_with_seg_len_pair_t):
13003         Move from ...
13004         * tree-data-ref.h (struct dr_with_seg_len, dr_with_seg_len_pair_t):
13005         ... to here.
13006         (prune_runtime_alias_test_list): New decalaration.
13007
13008 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
13009
13010         * tree-vect-data-refs.c (compare_tree): Rename and move ...
13011         * tree-data-ref.c (data_ref_compare_tree): ... to here.
13012         * tree-data-ref.h (data_ref_compare_tree): New decalaration.
13013         * tree-vect-data-refs.c (dr_group_sort_cmp): Update uses.
13014         (operator==, comp_dr_with_seg_len_pair): Ditto.
13015         (vect_prune_runtime_alias_test_list): Ditto.
13016
13017 2017-05-26  Martin Liska  <mliska@suse.cz>
13018
13019         PR ipa/80663
13020         * params.def: Bound partial-inlining-entry-probability param.
13021
13022 2017-05-26  Marek Polacek  <polacek@redhat.com>
13023
13024         PR sanitizer/80875
13025         * fold-const.c (fold_binary_loc) <case MULT_EXPR>: Check if OP1
13026         can be negated.
13027
13028 2017-05-26  Richard Biener  <rguenther@suse.de>
13029
13030         PR tree-optimization/80842
13031         * tree-ssa-ccp.c (set_lattice_value): Always meet with the old
13032         value.
13033
13034 2017-05-26  Richard Biener  <rguenther@suse.de>
13035
13036         PR tree-optimization/80844
13037         * tree-vectorizer.c (adjust_simduid_builtins): Propagate results.
13038
13039 2017-05-25  Sebastian Peryt  <sebastian.peryt@intel.com>
13040
13041         * doc/md.texi (Machine Constraints): Update x86 family
13042         machine constraints section to match 'config/i386/constraints.md'.
13043
13044 2017-05-25  Volker Reichelt  <v.reichelt@netcologne.de>
13045
13046         * doc/invoke.texi (-Wcatch-value=): Document new warning option.
13047
13048 2017-05-25  Nathan Sidwell  <nathan@acm.org>
13049
13050         * doc/invoke.texi (--enable-languages): Update documentation.
13051
13052 2017-05-25  Martin Liska  <mliska@suse.cz>
13053
13054         * dumpfile.c: Add TDF_FOLDING.
13055         * dumpfile.h (enum dump_kind): Likewise.
13056         * genmatch.c (dt_simplify::gen_1): Use it.
13057
13058 2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
13059
13060         * match.pd (view_convert (convert@0 @1)): Handle zero-extension.
13061
13062 2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
13063
13064         * match.pd ((A +- CST1) +- CST2): Allow some conversions.
13065         * tree.c (drop_tree_overflow): Handle COMPLEX_CST and VECTOR_CST.
13066
13067 2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
13068
13069         * fold-const.c (fold_binary_loc) [(A & C) == D]: Remove transformation.
13070         * match.pd (X == C): Rewrite it here.
13071         (with_possible_nonzero_bits, with_possible_nonzero_bits2,
13072         with_certain_nonzero_bits2): New predicates.
13073         * tree-ssanames.c (get_nonzero_bits): Handle INTEGER_CST.
13074
13075 2017-05-24  Nathan Sidwell  <nathan@acm.org>
13076
13077         * lto-streamer-in.c (lto_input_data_block): Adjust T const cast to
13078         avoid warning.
13079
13080         * auto-profile.c (afdo_propagate): Adjust T const cast to avoid
13081         warning.
13082
13083 2017-05-24  Segher Boessenkool  <segher@kernel.crashing.org>
13084
13085         * config/powerpcspe: New port.  Files are copied from the rs6000
13086         port, with "rs6000" in filenames replaced by "powerpcspe".
13087
13088 2017-05-24  Wilco Dijkstra  <wdijkstr@arm.com>
13089
13090         PR rtl-optimization/80754
13091         * lra-remat.c (do_remat): Add overlap checks for dst_regno.
13092
13093 2017-05-24  Sheldon Lobo  <smlobo@sheldon.us.oracle.com>
13094
13095         * config/sparc/sparc.md (length): Return the correct value for -mflat
13096         sibcalls to match output_sibcall.
13097
13098 2017-05-24  Segher Boessenkool  <segher@kernel.crashing.org>
13099
13100         PR bootstrap/80860
13101         PR bootstrap/80843
13102         * config/rs6000/rs6000.c (struct machine_function): Add new field
13103         n_components.
13104         (rs6000_get_separate_components): Init that field, use it.
13105         (rs6000_components_for_bb): Use the field.
13106
13107 2017-05-24  Thomas Preud'homme  <thomas.preudhomme@arm.com>
13108
13109         * config/arm/arm.c (arm_expand_prologue): Fix typo in comment.
13110
13111 2017-05-24  Peter Bergner  <bergner@vnet.ibm.com>
13112
13113         PR middle-end/80823
13114         * tree-cfg.c (group_case_labels_stmt): Delete increment of "i";
13115
13116 2017-05-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
13117
13118         PR target/80725
13119         * config/s390/s390.c (s390_check_qrst_address): Check incoming
13120         address against address_operand predicate.
13121         * config/s390/s390.md ("*indirect_jump"): Swap alternatives.
13122
13123 2017-05-24  Eric Botcazou  <ebotcazou@adacore.com>
13124
13125         * var-tracking.c (track_expr_p): Do not return 0 for tracked record
13126         parameters passed indirectly.
13127
13128 2017-05-23  Uros Bizjak  <ubizjak@gmail.com>
13129
13130         * config/i386/i386.md (*movdi_internal): Remove SSE4
13131         alternative 18 (?r, *v).  Update insn attributes.
13132         (*movsi_internal): Remove SSE4 alternative 13 (?r, *v).
13133         Update insn attributes.
13134         (*zero_extendsidi2): Remove SSE4 alternative (?r, *x).
13135         Update insn attributes.
13136         * config/i386/sse.md (vec_extract<ssevecmodelower>_0): Remove SSE4
13137         alternative 1 (r, v). Remove isa attribute.
13138         * config/i386/i386.c (dimode_scalar_chain::make_vector_copies):
13139         Always move value through stack for !TARGET_INTER_UNIT_MOVES_TO_VEC
13140         and !TARGET_INTER_UNIT_MOVES_TO_VEC targets.
13141
13142 2017-05-23  Tom de Vries  <tom@codesourcery.com>
13143
13144         * doc/sourcebuild.texi (Directives, Verify compiler message): Document
13145         dg-line directive.
13146
13147 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
13148
13149         * cgraphunit.c (symbol_table::process_new_functions): Update.
13150         * ipa-fnsummary.c (pass_data_inline_parameters): Remove.
13151         (inline_generate_summary): Rename to ...
13152         (ipa_fn_summary_generate): ... this one.
13153         (inline_read_summary): Rename to ...
13154         (ipa_fn_summary_read): ... this one.
13155         (inline_write_summary): Rename to ...
13156         (ipa_fn_summary_write): ... this one.
13157         (inline_free_summary): Rename to ...
13158         (ipa_free_fn_summary): ... this one.
13159         (pass_data_local_fn_summary, pass_local_fn_summary,
13160         make_pass_local_fn_summary, pass_data_ipa_free_fn_summary,
13161         pass_ipa_free_fn_summary, make_pass_ipa_free_fn_summary,
13162         pass_data_ipa_fn_summary, pass_ipa_fn_summary,
13163         make_pass_ipa_fn_summary): New.
13164         * ipa-fnsummary.h (inline_generate_summary, inline_read_summary,
13165         inline_write_summary, inline_free_summary): Remove.
13166         (ipa_free_fn_summary) : New.
13167         * ipa-inline.c (ipa_inline): Update.
13168         (pass_ipa_inline): Do not generate summaries.
13169         * ipa.c (pass_data_ipa_free_fn_summary, pass_ipa_free_fn_summary):
13170         Remove.
13171         * passes.def: Replace pass_inline_parameters by pass_local_fn_summary
13172         and add pass_ipa_fn_summary.
13173         * tree-pass.h (make_pass_ipa_fn_summary, make_pass_local_fn_summary):
13174         New.
13175         (make_pass_inline_parameters): Remove.
13176
13177 2017-05-23  Thomas Schwinge  <thomas@codesourcery.com>
13178
13179         * omp-low.c (struct omp_context): Remove "default_kind" member.
13180         Adjust all users.
13181
13182         * omp-offload.c (execute_oacc_device_lower): Remove the
13183         parallelism dimensions function attributes for unparallelized
13184         OpenACC kernels constructs.
13185
13186 2017-05-23  Martin Liska  <mliska@suse.cz>
13187
13188         * cgraph.c (cgraph_node::get_create): Use symtab_node::dump_{asm_,}name
13189         functions.
13190         (cgraph_edge::make_speculative): Likewise.
13191         (cgraph_edge::resolve_speculation): Likewise.
13192         (cgraph_edge::redirect_call_stmt_to_callee): Likewise.
13193         (cgraph_node::dump): Likewise.
13194         * cgraph.h: Likewise.
13195         * cgraphunit.c (analyze_functions): Likewise.
13196         (symbol_table::compile): Likewise.
13197         * ipa-cp.c (print_all_lattices): Likewise.
13198         (determine_versionability): Likewise.
13199         (initialize_node_lattices): Likewise.
13200         (ipcp_verify_propagated_values): Likewise.
13201         (estimate_local_effects): Likewise.
13202         (update_profiling_info): Likewise.
13203         (create_specialized_node): Likewise.
13204         (perhaps_add_new_callers): Likewise.
13205         (decide_about_value): Likewise.
13206         (decide_whether_version_node): Likewise.
13207         (identify_dead_nodes): Likewise.
13208         (ipcp_store_bits_results): Likewise.
13209         * ipa-devirt.c (dump_targets): Likewise.
13210         (ipa_devirt): Likewise.
13211         * ipa-icf.c (sem_item::dump): Likewise.
13212         (sem_function::equals): Likewise.
13213         (sem_variable::equals): Likewise.
13214         (sem_item_optimizer::read_section): Likewise.
13215         (sem_item_optimizer::execute): Likewise.
13216         (congruence_class::dump): Likewise.
13217         * ipa-inline-analysis.c (dump_ipa_call_summary): Likewise.
13218         (dump_inline_summary): Likewise.
13219         (estimate_node_size_and_time): Likewise.
13220         (inline_analyze_function): Likewise.
13221         * ipa-inline-transform.c (inline_call): Likewise.
13222         * ipa-inline.c (report_inline_failed_reason): Likewise.
13223         (want_early_inline_function_p): Likewise.
13224         (edge_badness): Likewise.
13225         (update_edge_key): Likewise.
13226         (inline_small_functions): Likewise.
13227         * ipa-profile.c (ipa_profile): Likewise.
13228         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
13229         (ipa_make_edge_direct_to_target): Likewise.
13230         (remove_described_reference): Likewise.
13231         (ipa_impossible_devirt_target): Likewise.
13232         (propagate_controlled_uses): Likewise.
13233         (ipa_print_node_params): Likewise.
13234         (ipcp_transform_function): Likewise.
13235         * ipa-pure-const.c (pure_const_read_summary): Likewise.
13236         (propagate_pure_const): Likewise.
13237         * ipa-reference.c (generate_summary): Likewise.
13238         (read_write_all_from_decl): Likewise.
13239         (propagate): Likewise.
13240         (ipa_reference_read_optimization_summary): Likewise.
13241         * ipa-utils.c (ipa_merge_profiles): Likewise.
13242         * ipa.c (walk_polymorphic_call_targets): Likewise.
13243         (symbol_table::remove_unreachable_nodes): Likewise.
13244         (ipa_single_use): Likewise.
13245         * passes.c (execute_todo): Likewise.
13246         * predict.c (drop_profile): Likewise.
13247         * symtab.c (symtab_node::get_dump_name): New function.
13248         (symtab_node::dump_name): Likewise.
13249         (symtab_node::dump_asm_name): Likewise.
13250         (symtab_node::dump_references): Likewise.
13251         (symtab_node::dump_referring): Likewise.
13252         (symtab_node::dump_base): Likewise.
13253         (symtab_node::debug_symtab): Likewise.
13254         * tree-sra.c (convert_callers_for_node): Likewise.
13255         * tree-ssa-structalias.c (ipa_pta_execute): Likewise.
13256         * value-prof.c (init_node_map): Likewise.
13257
13258 2017-05-23  Martin Liska  <mliska@suse.cz>
13259
13260         * cgraph.h: Move symtab_node::dump_table to symbol_table::dump
13261         and symtab_node::debug_symtab to symbol_table::debug.
13262         * cgraphunit.c (analyze_functions): Use the renamed function.
13263         (symbol_table::compile): Likewise.
13264         * ipa-cp.c (ipcp_verify_propagated_values): Likewise.
13265         * ipa-icf.c (sem_item_optimizer::execute): Likewise.
13266         * passes.c (execute_todo): Likewise.
13267         * symtab.c (symbol_table::dump): New function.
13268         * tree-ssa-structalias.c (ipa_pta_execute): Use the renamed function.
13269
13270 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
13271
13272         * ipa-fnsummary.c (estimate_node_size_and_time): Do not sanity check
13273         that nonconst implies exec.
13274
13275 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
13276
13277         * ipa-inline-analysis.c (cgraph_2edge_hook_list, cgraph_edge_hook_list,
13278         inline_edge_removal_hook, inline_edge_duplication_hook): Remove.
13279         (inline_edge_summary_vec): Turn into ...
13280         (ipa_call_summaries): ... this one.
13281         (redirect_to_unreachable, edge_set_predicate,
13282         evaluate_properties_for_edge, inline_summary_alloc,
13283         reset_ipa_call_summary, reset_inline_summary,
13284         inline_summary_t::duplicate): Update.
13285         (inline_edge_duplication_hook): Turn to ...
13286         (ipa_call_summary_t::duplicate): ... this one.
13287         (inline_edge_removal_hook): Turn to ...
13288         (ipa_call_summary_t::remove): ... this one.
13289         (dump_inline_edge_summary): Turn to ...
13290         (dump_ipa_call_summary): ... this one.
13291         (estimate_function_body_sizes): Update.
13292         (inline_update_callee_summaries): Update.
13293         (remap_edge_change_prob): Update.
13294         (remap_edge_summaries): Update.
13295         (inline_merge_summary): Update.
13296         (do_estimate_edge_time): Update.
13297         (inline_generate_summary): Update.
13298         (inline_read_section): Update.
13299         (inline_read_summary): Update.
13300         (inline_free_summary): Update.
13301         * ipa-inline.c (can_inline_edge_p): Update.
13302         (compute_inlined_call_time): Update.
13303         (want_inline_small_function_p): Update.
13304         (edge_badness): Update.
13305         (early_inliner): Update.
13306         * ipa-inline.h (inline_edge_summary): Turn to ...
13307         (ipa_call_summary): ... this one.
13308         (ipa_call_summary_t): New class.
13309         (inline_edge_summary_t, inline_edge_summary_vec): Remove.
13310         (ipa_call_summaries): New.
13311         (inline_edge_summary): Remove.
13312         (estimate_edge_growth): Update.
13313         * ipa-profile.c (ipa_propagate_frequency_1): Update.
13314         * ipa-prop.c (ipa_make_edge_direct_to_target): Update.
13315         * ipa-split.c (execute_split_functions): Update.
13316         * ipa.c (symbol_table::remove_unreachable_nodes): Update.
13317
13318 2017-05-23  Tom de Vries  <tom@codesourcery.com>
13319
13320         * doc/sourcebuild.texi (Effective-Target Keywords, Other hardware
13321         attributes): Document rdrand effective target.
13322
13323 2017-05-23  Tom de Vries  <tom@codesourcery.com>
13324
13325         * doc/sourcebuild.texi (Effective-Target Keywords, Other hardware
13326         attributes): Sort alphabetically.
13327
13328 2017-05-23  Georg-Johann Lay  <avr@gjlay.de>
13329
13330         * config/avr/genmultilib.awk: Use gsub instead of gensub.
13331
13332 2017-05-22  Michael Meissner  <meissner@linux.vnet.ibm.com>
13333
13334         PR target/80718
13335         * config/rs6000/vsx.md (vsx_splat_<mode>, VSX_D iterator): Split
13336         V2DF/V2DI splat into two separate patterns, one that handles
13337         registers, and the other that only handles memory.  Drop support
13338         for splatting from a GPR on ISA 2.07 and then splitting the
13339         splat into direct move and splat.
13340         (vsx_splat_<mode>_reg): Likewise.
13341         (vsx_splat_<mode>_mem): Likewise.
13342
13343 2017-05-22  Segher Boessenkool  <segher@kernel.crashing.org>
13344
13345         * cfgcleanup.c (bb_is_just_return): Allow CLOBBERs.
13346
13347 2017-05-22  Jakub Jelinek  <jakub@redhat.com>
13348
13349         PR middle-end/80809
13350         * omp-low.c (finish_taskreg_remap): New function.
13351         (finish_taskreg_scan): If unit size of ctx->record_type
13352         is non-constant, unshare the size expression and replace
13353         decls in it with possible outer var refs.
13354
13355         PR middle-end/80809
13356         * gimplify.c (omp_add_variable): For GOVD_DEBUG_PRIVATE use
13357         GOVD_SHARED rather than GOVD_PRIVATE with it.
13358         (gimplify_adjust_omp_clauses_1, gimplify_adjust_omp_clauses): Expect
13359         GOVD_SHARED rather than GOVD_PRIVATE with GOVD_DEBUG_PRIVATE.
13360
13361         PR middle-end/80853
13362         * omp-low.c (lower_reduction_clauses): Pass OMP_CLAUSE_PRIVATE
13363         as last argument to build_outer_var_ref for pointer bases of array
13364         section reductions.
13365
13366 2017-05-19  Martin Sebor  <msebor@redhat.com>
13367
13368         * print-tree.c (print_node): Print DECL_READ_P flag.
13369
13370 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
13371
13372         * Makefile.in: Add ipa-fnsummary.o and ipa-fnsummary.h
13373         * auto-profile.c: Replace ipa-inline.h by ipa-fnsummary.h
13374         * cgraph.c: Likewise.
13375         * cgraphunit.c: Likewise.
13376         * gengtype.c: Likewise.
13377         * ipa-cp.c: Likewise.
13378         * ipa-devirt.c: Likewise.
13379         * ipa-icf.c: Likewise.
13380         * ipa-predicate.c: Likewise.
13381         * ipa-profile.c: Likewise.
13382         * ipa-prop.c: Likewise.
13383         * ipa-split.c: Likewise.
13384         * ipa.c: Likewise.
13385         * ipa-inline-analysis.c (inline_summaries, ipa_call_summaries,
13386         edge_predicate_pool, dump_inline_hints,
13387         inline_summary::account_size_time, redirect_to_unreachable,
13388         edge_set_predicate, set_hint_predicate,
13389         evaluate_conditions_for_known_args, evaluate_properties_for_edge,
13390         inline_summary_alloc, ipa_call_summary::reset, inline_summary::reset,
13391         inline_summary_t::remove, remap_hint_predicate_after_duplication,
13392         inline_summary_t::duplicate, ipa_call_summary_t::duplicate,
13393         ipa_call_summary_t::remove, initialize_growth_caches,
13394         free_growth_caches, dump_ipa_call_summary, dump_inline_summary,
13395         debug_inline_summary, dump_inline_summaries, initialize_inline_failed,
13396         mark_modified, unmodified_parm_1, unmodified_parm,
13397         unmodified_parm_or_parm_agg_item, eliminated_by_inlining_prob,
13398         set_cond_stmt_execution_predicate, set_switch_stmt_execution_predicate,
13399         compute_bb_predicates, will_be_nonconstant_expr_predicate,
13400         will_be_nonconstant_predicate, record_modified_bb_info,
13401         get_minimal_bb, record_modified, param_change_prob,
13402         phi_result_unknown_predicate, predicate_for_phi_result,
13403         array_index_predicate, clobber_only_eh_bb_p, fp_expression_p,
13404         estimate_function_body_sizes, compute_inline_parameters,
13405         compute_inline_parameters_for_curren, pass_data_inline_parameters,
13406         estimate_node_size_and_time, estimate_ipcp_clone_size_and_time,
13407         inline_update_callee_summaries, remap_edge_change_prob,
13408         remap_edge_summaries, remap_hint_predicate, inline_merge_summary,
13409         inline_update_overall_summary, inline_indirect_intraprocedural_analysis,
13410         inline_analyze_function, inline_summary_t::insert,
13411         inline_generate_summary, read_ipa_call_summary, inline_read_section,
13412         inline_read_summary, write_ipa_call_summary, inline_write_summary,
13413         inline_free_summary): Move to ipa-fnsummary.h
13414         (predicate_t): Remove.
13415         * ipa-fnsummary.c: New file.
13416         * ipa-inline.h:  Do not include sreal.h and ipa-predicate.h
13417         (enum inline_hints_vals, inline_hints, agg_position_info,
13418         INLINE_SIZE_SCALE, size_time_entry, inline_summary, inline_summary_t,
13419         inline_summaries, ipa_call_summary, ipa_call_summary_t,
13420         ipa_call_summaries, debug_inline_summary, dump_inline_summaries,
13421         dump_inline_summary, dump_inline_hints, inline_generate_summary,
13422         inline_read_summary, inline_write_summary, inline_free_summary,
13423         inline_analyze_function, initialize_inline_failed,
13424         inline_merge_summary, inline_update_overall_summary,
13425         compute_inline_parameters): Move to ipa-fnsummary.h
13426         * ipa-fnsummary.h: New file.
13427         * ipa-inline-transform.h: Include ipa-inline.h.
13428         * ipa-inline.c: LIkewise.
13429
13430 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
13431
13432         * ipa-inline.c (edge_badness): Use inlined_time instead of
13433         inline_summaries->get.
13434
13435 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
13436
13437         * ipa-inline.c (edge_badness): Use estimate_size_after_inlining.
13438
13439 2017-05-22  Nathan Sidwell  <nathan@acm.org>
13440
13441         * doc/invoke.texi (fdump-translation-unit): Delete documentation.
13442         (fdump-lang): Document 'raw' option.
13443         * dumpfile.h (TDI_tu): Delete.
13444         * dumpfile.c (dump_files): Remove translation-unit.
13445         (FIRST_AUTO_NUMBERED_DUMP): Decrement.
13446
13447 2017-05-22  Georg-Johann Lay  <avr@gjlay.de>
13448
13449         * config/avr/t-avr (AWK) [t-multilib]: Remove "-v FORMAT=Makefile"
13450         command option from $(AWK) call.
13451         * config/avr/genmultilib.awk: Simplify and rewrite so that it
13452         generates MULTILIB_REQUIRED instead of MULTILIB_EXCEPTIONS.
13453         [FORMAT]: Remove handling of variable.
13454         * config/avr/t-multilib: Regenerate.
13455
13456 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
13457
13458         * ipa-inline-analysis.c (inline_summary::reset): Do not reset
13459         self_time.
13460         (dump_inline_summary): Do not print self_time.
13461         (estimate_function_body_sizes): Do not set self_time.
13462         (compute_inline_parameters): Likewise.
13463         (inline_read_section, inline_write_summary): Do not stream self_time.
13464         * ipa-inline.h (inline_summary): Drop self_time.
13465
13466 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
13467
13468         * ipa-inline-analysis.c (account_size_time): Rename to ...
13469         (inline_summary::account_size_time): ... this one.
13470         (reset_ipa_call_summary): Turn to ...
13471         (ipa_call_summary::reset): ... this one.
13472         (reset_inline_summary): Turn to ...
13473         (inline_summary::reset): ... this one.
13474         (inline_summary_t::remove): Update.
13475         (inline_summary_t::duplicate): Update.
13476         (ipa_call_summary_t::remove): Update.
13477         (dump_inline_summary): Update.
13478         (estimate_function_body_sizes): Update.
13479         (compute_inline_parameters): Update.
13480         (estimate_node_size_and_time): Update.
13481         (inline_merge_summary): Update.
13482         (inline_update_overall_summary): Update.
13483         (inline_read_section): Update.
13484         (inline_write_summary): Update.
13485         * ipa-inline.h (inline_summary): Rename entry to size_time_table;
13486         add account_size_time and reset member functions.
13487         (ipa_call_summary): Add reset function.
13488         * ipa-predicate.h (predicate::operator &): Constify.
13489
13490 2017-05-22  Richard Biener  <rguenther@suse.de>
13491
13492         * df-scan.c (df_insn_refs_verify): Speedup when not verifying.
13493
13494 2017-05-19  Jason Merrill  <jason@redhat.com>
13495
13496         * tree.c (make_tree_vec_stat, grow_tree_vec_stat): Use size_t.
13497
13498 2017-05-19  Marek Polacek  <polacek@redhat.com>
13499
13500         PR sanitizer/80800
13501         * fold-const.c (extract_muldiv_1) <case TRUNC_DIV_EXPR>: Add
13502         TYPE_OVERFLOW_WRAPS checks.
13503
13504 2017-05-19  Thomas Schwinge  <thomas@codesourcery.com>
13505
13506         * tree-core.h (enum omp_clause_default_kind): Add
13507         "OMP_CLAUSE_DEFAULT_PRESENT".
13508         * tree-pretty-print.c (dump_omp_clause): Handle it.
13509         * gimplify.c (enum gimplify_omp_var_data): Add
13510         "GOVD_MAP_FORCE_PRESENT".
13511         (gimplify_adjust_omp_clauses_1): Map it to
13512         "GOMP_MAP_FORCE_PRESENT".
13513         (oacc_default_clause): Handle "OMP_CLAUSE_DEFAULT_PRESENT".
13514
13515         * gimplify.c (oacc_default_clause): Clarify.
13516
13517 2017-05-19  Nathan Sidwell  <nathan@acm.org>
13518
13519         LANG_HOOK_REGISTER_DUMPS
13520         * toplev.c (general_init): Call register dump lang hook.
13521         * doc/invoke.texi: Document -fdump-lang option family.
13522         * dumpfile.c (dump_files): Remove class dump here.
13523         (FIRST_AUTO_NUMBERED_DUMP): Adjust.
13524         * dumpfile.h (tree_dump_index): Remove TDI_class.
13525         * langhooks-def.h (lhd_register_dumps): Declare.
13526         (LANG_HOOKS_REGISTER_DUMPS): Define.
13527         (LANG_HOOKS_INITIALIZER): Add it.
13528         * langhooks.c (lhd_register_dumps): Define.
13529         * langhooks.h (struct lang_hooks): Add register_dumps.
13530
13531 2017-05-19  Nathan Sidwell  <nathan@acm.org>
13532
13533         * context.h (context::set_passes): New.
13534         * context.c (context::context): Do not create pass manager.
13535         * toplev.c (general_init): Create pass manager here.
13536
13537 2017-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
13538
13539         * config/rs6000/rs6000.md (splitter to load of -1 and mask): Don't
13540         use this splitter if two add or or instructions would also work for
13541         the constant we want to generate.
13542
13543 2017-05-19  Richard Biener  <rguenther@suse.de>
13544
13545         PR build/80821
13546         * genmatch.c (dt_node::gen_kids_1): Add missing scope around
13547         predicate evaluation.
13548
13549 2017-05-19  Jan Hubicka  <hubicka@ucw.cz>
13550
13551         * ipa-inline.h (ipa_call_summary): Turn sizes into signed;
13552         add ctor.
13553         * ipa-inline.c (want_inline_small_function_p): Do not cast to
13554         unsigned.
13555
13556 2017-05-19  Jan Hubicka  <hubicka@ucw.cz>
13557
13558         * ipa-inline-analysis.c (cgraph_2edge_hook_list, cgraph_edge_hook_list,
13559         inline_edge_removal_hook, inline_edge_duplication_hook): Remove.
13560         (inline_edge_summary_vec): Turn into ...
13561         (ipa_call_summaries): ... this one.
13562         (redirect_to_unreachable, edge_set_predicate,
13563         evaluate_properties_for_edge, inline_summary_alloc,
13564         reset_ipa_call_summary, reset_inline_summary,
13565         inline_summary_t::duplicate): Update.
13566         (inline_edge_duplication_hook): Turn to ...
13567         (ipa_call_summary_t::duplicate): ... this one.
13568         (inline_edge_removal_hook): Turn to ...
13569         (ipa_call_summary_t::remove): ... this one.
13570         (dump_inline_edge_summary): Turn to ...
13571         (dump_ipa_call_summary): ... this one.
13572         (estimate_function_body_sizes): Update.
13573         (inline_update_callee_summaries): Update.
13574         (remap_edge_change_prob): Update.
13575         (remap_edge_summaries): Update.
13576         (inline_merge_summary): Update.
13577         (do_estimate_edge_time): Update.
13578         (inline_generate_summary): Update.
13579         (inline_read_section): Update.
13580         (inline_read_summary): Update.
13581         (inline_free_summary): Update.
13582         * ipa-inline.c (can_inline_edge_p): Update.
13583         (compute_inlined_call_time): Update.
13584         (want_inline_small_function_p): Update.
13585         (edge_badness): Update.
13586         (early_inliner): Update.
13587         * ipa-inline.h (inline_edge_summary): Turn to ...
13588         (ipa_call_summary): ... this one.
13589         (ipa_call_summary_t): New class.
13590         (inline_edge_summary_t, inline_edge_summary_vec): Remove.
13591         (ipa_call_summaries): New.
13592         (inline_edge_summary): Remove.
13593         (estimate_edge_growth): Update.
13594         * ipa-profile.c (ipa_propagate_frequency_1): Update.
13595         * ipa-prop.c (ipa_make_edge_direct_to_target): Update.
13596         * ipa-split.c (execute_split_functions): Update.
13597         * ipa.c (symbol_table::remove_unreachable_nodes): Update.
13598
13599 2017-05-19  Richard Biener  <rguenther@suse.de>
13600
13601         PR middle-end/80764
13602         * cfgexpand.c (expand_gimple_cond): Fix loop fixup.
13603
13604 2017-05-18  Segher Boessenkool  <segher@kernel.crashing.org>
13605
13606         * config/rs6000/rs6000.c (struct machine_function): Add field
13607         fpr_is_wrapped_separately.
13608         (rs6000_get_separate_components): Use 64 components.  Handle the
13609         new FPR components.
13610         (rs6000_components_for_bb): Handle the FPR components.
13611         (rs6000_emit_prologue_components): Handle the FPR components.
13612         (rs6000_emit_epilogue_components): Handle the FPR components.
13613         (rs6000_set_handled_components): Handle the FPR components.
13614         (rs6000_emit_prologue): Don't output prologue code for those FPRs
13615         that are already separately shrink-wrapped.
13616         (rs6000_emit_epilogue): Don't output epilogue code for those FPRs
13617         that are already separately shrink-wrapped.
13618
13619 2017-05-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
13620
13621         PR target/80510
13622         * config/rs6000/predicates.md (simple_offsettable_mem_operand):
13623         New predicate.
13624
13625         * config/rs6000/rs6000.md (ALTIVEC_DFORM): New iterator.
13626         (define_peephole2 for Altivec d-form load): Add peepholes to catch
13627         cases where the register allocator uses a move and an offsettable
13628         memory operation to/from a FPR register on ISA 2.06/2.07.
13629         (define_peephole2 for Altivec d-form store): Likewise.
13630
13631 2017-05-18  Uros Bizjak  <ubizjak@gmail.com>
13632
13633         PR target/80799
13634         * config/i386/mmx.md (*mov<mode>_internal): Enable
13635         alternatives 11, 12, 13 and 14 also for 32bit targets.
13636         Remove alternatives 15, 16, 17 and 18.
13637         * config/i386/sse.md (vec_concatv2di): Change
13638         alternative (!x, *y) to (x, ?!*Yn).
13639
13640 2017-05-18  Paolo Carlini  <paolo.carlini@oracle.com>
13641
13642         * dumpfile.h (enum dump_kind): Remove stray comma.
13643
13644 2017-05-18  Jan Hubicka  <hubicka@ucw.cz>
13645
13646         * Makefile.in: Add ipa-predicate.o and ipa-predicate.h
13647         * ipa-inline-analysis.c (NUM_CONDITIONS): turn into
13648         predicate::num_conditions
13649         (IS_NOT_CONSTANT): turn into predicate::is_not_constant.
13650         (CHANGED): turn into predicate::changed.
13651         (agg_position_info): Move to ipa-predicate.h
13652         (add_condition, predicate::add_clause, predicate::operator &=,
13653         predicate::or_with, predicate::evaluate, predicate::probability,
13654         dump_condition, dump_clause, predicate::dump,
13655         predicate::remap_after_duplication, predicate::remap_after_inlining,
13656         predicate::stream_in, predicate::stream_out): Move to ipa-predicate.c
13657         (evaluate_conditions_for_known_args): Update.
13658         (set_cond_stmt_execution_predicate): Update.
13659         * ipa-inline.h: Include ipa-predicate.h
13660         (condition, inline_param_summary, conditions, agg_position_info,
13661         predicate): Move to ipa-predicate.h
13662         * ipa-predicate.c: New file.
13663         * ipa-predicate.h: New file.
13664
13665 2017-05-18  Wilco Dijkstra  <wdijkstr@arm.com>
13666
13667         * final.c (leaf_function_p): Check we are not in a sequence.
13668
13669 2017-05-18  Martin Liska  <mliska@suse.cz>
13670
13671         * cfgrtl.c (rtl_verify_edges): Remove usage of TDF_RTL.
13672         * dumpfile.c (dump_register): Use new enum dump_kind.
13673         (get_dump_file_name): Likewise.
13674         (dump_enable_all): Likewise.
13675         (dump_switch_p_1): Likewise.
13676         (enable_rtl_dump_file): Remove usage of TDF_RTL.
13677         * dumpfile.h (enum dump_kind): New enum type.
13678         (struct dump_file_info): Create constructor and
13679         format fields and comments.
13680         * passes.c (pass_manager::register_one_dump_file):
13681         Use num dump_kind.
13682         * statistics.c (statistics_early_init): Likewise.
13683         * tree-ssa-loop-prefetch.c (dump_mem_details): Replace
13684         TDF_TREE with TDF_SLIM.
13685         (gather_memory_references_ref): Likewise.
13686
13687 2017-05-18  Martin Liska  <mliska@suse.cz>
13688
13689         * vec.h (struct vnull): Use it.
13690
13691 2017-05-18  Jan Hubicka  <hubicka@ucw.cz>
13692
13693         * ipa-inline-analysis.c (predicate_conditions): Move to ipa-inline.h
13694         (true_predicate, false_predicate, true_predicate_p,
13695         false_predicate_p): Remove.
13696         (single_cond_predicate, not_inlined_predicate): Turn to member function
13697         in ipa-inline.h
13698         (add_condition): Update.
13699         (add_clause): Turn to...
13700         (predicate::add_clause): ... this one; update; allow passing NULL
13701         as parameter.
13702         (and_predicates): Turn to ...
13703         (predicate::operator &=): ... this one.
13704         (predicates_equal_p): Move to predicate::operator == in ipa-inline.h
13705         (or_predicates): Turn to ...
13706         (predicate::or_with): ... this one.
13707         (evaluate_predicate): Turn to ...
13708         (predicate::evaluate): ... this one.
13709         (predicate_probability): Turn to ...
13710         (predicate::probability): ... this one.
13711         (dump_condition): Update.
13712         (dump_predicate): Turn to ...
13713         (predicate::dump): ... this one.
13714         (account_size_time): Update.
13715         (edge_set_predicate): Update.
13716         (set_hint_predicate): UPdate.
13717         (evaluate_conditions_for_known_args): Update.
13718         (evaluate_properties_for_edge): Update.
13719         (remap_predicate_after_duplication): Turn to...
13720         (predicate::remap_after_duplication): ... this one.
13721         (remap_hint_predicate_after_duplication): Update.
13722         (inline_summary_t::duplicate): UPdate.
13723         (dump_inline_edge_summary): Update.
13724         (dump_inline_summary): Update.
13725         (set_cond_stmt_execution_predicate): Update.
13726         (set_switch_stmt_execution_predicate): Update.
13727         (compute_bb_predicates): Update.
13728         (will_be_nonconstant_expr_predicate): Update.
13729         (will_be_nonconstant_predicate): Update.
13730         (phi_result_unknown_predicate): Update.
13731         (predicate_for_phi_result): Update.
13732         (array_index_predicate): Update.
13733         (estimate_function_body_sizes): Update.
13734         (estimate_node_size_and_time): Update.
13735         (estimate_ipcp_clone_size_and_time): Update.
13736         (remap_predicate): Rename to ...
13737         (predicate::remap_after_inlining): ... this one.
13738         (remap_hint_predicate): Update.
13739         (inline_merge_summary): Update.
13740         (inline_update_overall_summary): Update.
13741         (estimate_size_after_inlining): Update.
13742         (read_predicate): Rename to ...
13743         (predicate::stream_in): ... this one.
13744         (read_inline_edge_summary): Update.
13745         (write_predicate): Rename to ...
13746         (predicate::stream_out): ... this one.
13747         (write_inline_edge_summary): Update.
13748         * ipa-inline.h (MAX_CLAUSES): Turn to predicate::max_clauses.
13749         (clause_t): Turn to uint32_t
13750         (predicate): Turn to class; implement constructor and operators
13751         ==, !=, &
13752         (size_time_entry): Update.
13753         (inline_summary): Update.
13754         (inline_edge_summary): Update.
13755
13756 2017-05-18  Marc Glisse  <marc.glisse@inria.fr>
13757
13758         * fold-const.c (fold_binary_loc): Move transformation...
13759         * match.pd (C - X CMP X): ... here.
13760
13761 2017-05-18  Sheldon Lobo  <sheldon.lobo@oracle.com>
13762
13763         * config/sparc/sparc.c (sparc_option_override): Set function
13764         alignment for -mcpu=niagara7 to 64 to match the I$ line.
13765         * config/sparc/sparc.h (BRANCH_COST): Set the SPARC M7 branch
13766         latency to 1.
13767         * config/sparc/sparc.h (BRANCH_COST): Set the SPARC T4 branch
13768         latency to 2.
13769         * config/sparc/sol2.h: Fix a ASM_CPU32_DEFAULT_SPEC typo.
13770
13771 2017-05-18  Marek Polacek  <polacek@redhat.com>
13772
13773         PR sanitizer/80797
13774         * ubsan.c (instrument_null): Unwrap ADDR_EXPRs.
13775         (pass_ubsan::execute): Call gimple_assign_single_p instead of
13776         gimple_assign_load_p.
13777
13778 2017-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
13779
13780         PR middle-end/80692
13781         * real.c (do_compare): Give decimal_do_compare preference over
13782         comparing just the signs.
13783
13784 2017-05-17  Uros Bizjak  <ubizjak@gmail.com>
13785
13786         * doc/md.texi (Canonicalization of Instructions): Describe the
13787         canonical form of instructions that inherently set a condition
13788         code register.
13789
13790 2017-05-17  Peter Bergner  <bergner@vnet.ibm.com>
13791
13792         PR middle-end/80775
13793         * tree-cfg.c: Move deletion of unreachable case statements to after
13794         the merging of consecutive case labels.
13795
13796 2017-05-17  Thomas Preud'homme  <thomas.preudhomme@arm.com>
13797
13798         * config/arm/arm.c (cmse_nonsecure_call_clear_caller_saved): Refer
13799         readers to __gnu_cmse_nonsecure_call libcall for saving, clearing and
13800         restoring of callee-saved registers.
13801
13802 2017-05-17  Eric Botcazou  <ebotcazou@adacore.com>
13803
13804         * compare-elim.c (equivalent_reg_at_start): Adjust outdated comment.
13805         * config/visium/visium.c (single_set_and_flags): Likewise.
13806         * config/visium/visium.md (Substitutions): Likewise.
13807
13808 2017-05-17  Martin Liska  <mliska@suse.cz>
13809
13810         * cfg.c: Introduce dump_flags_t type and
13811         use it instead of int type.
13812         * cfg.h: Likewise.
13813         * cfghooks.c: Likewise.
13814         * cfghooks.h (struct cfg_hooks): Likewise.
13815         * cfgrtl.c: Likewise.
13816         * cfgrtl.h: Likewise.
13817         * cgraph.c (cgraph_node::get_body): Likewise.
13818         * coretypes.h: Likewise.
13819         * domwalk.c: Likewise.
13820         * domwalk.h: Likewise.
13821         * dumpfile.c (struct dump_option_value_info): Likewise.
13822         (dump_enable_all): Likewise.
13823         (dump_switch_p_1): Likewise.
13824         (opt_info_switch_p): Likewise.
13825         * dumpfile.h (enum tree_dump_index): Likewise.
13826         (struct dump_file_info): Likewise.
13827         * genemit.c: Likewise.
13828         * generic-match-head.c: Likewise.
13829         * gengtype.c (open_base_files): Likewise.
13830         * gimple-pretty-print.c: Likewise.
13831         * gimple-pretty-print.h: Likewise.
13832         * graph.c (print_graph_cfg): Likewise.
13833         * graphite-scop-detection.c (dot_all_sese): Likewise.
13834         * ipa-devirt.c (build_type_inheritance_graph): Likewise.
13835         * loop-unroll.c (report_unroll): Likewise.
13836         * passes.c (pass_manager::register_one_dump_file): Likewise.
13837         * print-tree.c: Likewise.
13838         * statistics.c: Likewise.
13839         * tree-cfg.c: Likewise.
13840         * tree-cfg.h: Likewise.
13841         * tree-dfa.c: Likewise.
13842         * tree-dfa.h: Likewise.
13843         * tree-dump.c (dump_function): Likewise.
13844         * tree-dump.h (struct dump_info): Likewise.
13845         * tree-pretty-print.c: Likewise.
13846         * tree-pretty-print.h: Likewise.
13847         * tree-ssa-live.c: Likewise.
13848         * tree-ssa-live.h: Likewise.
13849         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
13850         * tree-vect-loop.c: Likewise.
13851         * tree-vect-slp.c: Likewise.
13852
13853 2017-05-16  James Greenhalgh  <james.greenhalgh@arm.com>
13854             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
13855
13856         PR tree-optimization/80457
13857         * tree-vect-stmts.c (vect_model_simple_cost): Model the cost
13858         of all arguments to a statement as scalar_to_vec operations.
13859         (vectorizable_call): Adjust call to vect_model_simple_cost for
13860         new parameter.
13861         (vectorizable_conversion): Likewise.
13862         (vectorizable_assignment): Likewise.
13863         (vectorizable_shift): Likewise.
13864         (vectorizable_operation): Likewise.
13865         (vectorizable_comparison): Likewise.
13866         (vect_is_simple_cond): Record the def types for operands.
13867         (vectorizable_condition): Likewise, call vect_model_simple_cost.
13868         * tree-vectorizer.h (vect_model_simple_cost): Add new parameter
13869         for statement argument count.
13870
13871 2017-05-16  Carl Love  <cel@us.ibm.com>
13872
13873         * config/rs6000/rs6000-c: Add support for built-in functions
13874         vector unsigned long long vec_bperm (vector unsigned long long,
13875                                              vector unsigned char)
13876         vector signed long long vec_mule (vector signed int,
13877                                           vector signed int)
13878         vector unsigned long long vec_mule (vector unsigned int,
13879                                             vector unsigned int)
13880         vector signed long long vec_mulo (vector signed int,
13881                                           vector signed int)
13882         vector unsigned long long vec_mulo (vector unsigned int,
13883                                             vector unsigned int)
13884         vector signed char vec_sldw (vector signed char,
13885                                      vector signed char,
13886                                      const int)
13887         vector unsigned char vec_sldw (vector unsigned char,
13888                                        vector unsigned char,
13889                                        const int)
13890         vector signed short vec_sldw (vector signed short,
13891                                       vector signed short,
13892                                       const int)
13893         vector unsigned short vec_sldw (vector unsigned short,
13894                                         vector unsigned short,
13895                                         const int)
13896         vector signed int vec_sldw (vector signed int,
13897                                     vector signed int,
13898                                     const int)
13899         vector unsigned int vec_sldw (vector unsigned int,
13900                                       vector unsigned int,
13901                                       const int)
13902         vector signed long long vec_sldw (vector signed long long,
13903                                           vector signed long long,
13904                                           const int)
13905         vector unsigned long long vec_sldw (vector unsigned long long,
13906                                             vector unsigned long long,
13907                                             const int)
13908         * config/rs6000/rs6000-c: Add support for built-in functions
13909         * config/rs6000/rs6000-builtin.def: Add definition for SLDW.
13910         * config/rs6000/altivec.h: Add defintion for vec_sldw.
13911         * doc/extend.texi: Update the built-in documentation for the
13912         new built-in functions.
13913
13914 2017-05-16  Marek Polacek  <polacek@redhat.com>
13915
13916         PR sanitizer/80536
13917         PR sanitizer/80386
13918         * tree.c (save_expr): Don't fold the expression.
13919
13920 2017-05-16  Uros Bizjak  <ubizjak@gmail.com>
13921
13922         * config/i386/i386.md (*movsi_internal): Split (?rm,*y) alternative
13923         to (?r,*Yn) and (?m,*y) alternatives, and (?*y,rm) to (?*Ym,r)
13924         and (?*y,m).  Update insn attributes.
13925
13926 2017-05-16  Martin Liska  <mliska@suse.cz>
13927
13928         * cgraph.c (cgraph_edge::resolve_speculation): Add default value for
13929         flags argument of print_gimple_stmt, print_gimple_expr,
13930         print_generic_stmt and print_generic_expr.
13931         * cgraphclones.c (symbol_table::materialize_all_clones): Likewise.
13932         * coretypes.h: Likewise.
13933         * except.c (dump_eh_tree): Likewise.
13934         * gimple-fold.c (gimple_fold_stmt_to_constant_1): Likewise.
13935         * gimple-pretty-print.h: Likewise.
13936         * gimple-ssa-backprop.c (dump_usage_prefix): Likewise.
13937         (backprop::push_to_worklist): Likewise.
13938         (backprop::pop_from_worklist): Likewise.
13939         (backprop::process_use): Likewise.
13940         (backprop::intersect_uses): Likewise.
13941         (note_replacement): Likewise.
13942         * gimple-ssa-store-merging.c
13943         (pass_store_merging::terminate_all_aliasing_chains): Likewise.
13944         (imm_store_chain_info::coalesce_immediate_stores): Likewise.
13945         (pass_store_merging::execute): Likewise.
13946         * gimple-ssa-strength-reduction.c (dump_candidate): Likewise.
13947         (ssa_base_cand_dump_callback): Likewise.
13948         (dump_incr_vec): Likewise.
13949         (replace_refs): Likewise.
13950         (replace_mult_candidate): Likewise.
13951         (create_add_on_incoming_edge): Likewise.
13952         (create_phi_basis): Likewise.
13953         (insert_initializers): Likewise.
13954         (all_phi_incrs_profitable): Likewise.
13955         (introduce_cast_before_cand): Likewise.
13956         (replace_one_candidate): Likewise.
13957         * gimplify.c (gimplify_expr): Likewise.
13958         * graphite-isl-ast-to-gimple.c (is_valid_rename): Likewise.
13959         (set_rename): Likewise.
13960         (rename_uses): Likewise.
13961         (copy_loop_phi_nodes): Likewise.
13962         (add_close_phis_to_merge_points): Likewise.
13963         (copy_loop_close_phi_args): Likewise.
13964         (copy_cond_phi_args): Likewise.
13965         (graphite_copy_stmts_from_block): Likewise.
13966         (translate_pending_phi_nodes): Likewise.
13967         * graphite-poly.c (print_pdr): Likewise.
13968         (dump_gbb_cases): Likewise.
13969         (dump_gbb_conditions): Likewise.
13970         (print_scop_params): Likewise.
13971         * graphite-scop-detection.c (build_cross_bb_scalars_def): Likewise.
13972         (build_cross_bb_scalars_use): Likewise.
13973         (gather_bbs::before_dom_children): Likewise.
13974         * hsa-dump.c (dump_hsa_immed): Likewise.
13975         * ipa-cp.c (print_ipcp_constant_value): Likewise.
13976         (get_replacement_map): Likewise.
13977         * ipa-inline-analysis.c (dump_condition): Likewise.
13978         (estimate_function_body_sizes): Likewise.
13979         * ipa-polymorphic-call.c (check_stmt_for_type_change): Likewise.
13980         (ipa_polymorphic_call_context::get_dynamic_type): Likewise.
13981         * ipa-prop.c (ipa_dump_param): Likewise.
13982         (ipa_print_node_jump_functions_for_edge): Likewise.
13983         (ipa_modify_call_arguments): Likewise.
13984         (ipa_modify_expr): Likewise.
13985         (ipa_dump_param_adjustments): Likewise.
13986         (ipa_dump_agg_replacement_values): Likewise.
13987         (ipcp_modif_dom_walker::before_dom_children): Likewise.
13988         * ipa-pure-const.c (check_stmt): Likewise.
13989         (pass_nothrow::execute): Likewise.
13990         * ipa-split.c (execute_split_functions): Likewise.
13991         * omp-offload.c (dump_oacc_loop_part): Likewise.
13992         (dump_oacc_loop): Likewise.
13993         * trans-mem.c (tm_log_emit): Likewise.
13994         (tm_memopt_accumulate_memops): Likewise.
13995         (dump_tm_memopt_set): Likewise.
13996         (dump_tm_memopt_transform): Likewise.
13997         * tree-cfg.c (gimple_verify_flow_info): Likewise.
13998         (print_loop): Likewise.
13999         * tree-chkp-opt.c (chkp_print_addr): Likewise.
14000         (chkp_gather_checks_info): Likewise.
14001         (chkp_get_check_result): Likewise.
14002         (chkp_remove_check_if_pass): Likewise.
14003         (chkp_use_outer_bounds_if_possible): Likewise.
14004         (chkp_reduce_bounds_lifetime): Likewise.
14005         * tree-chkp.c (chkp_register_addr_bounds): Likewise.
14006         (chkp_mark_completed_bounds): Likewise.
14007         (chkp_register_incomplete_bounds): Likewise.
14008         (chkp_mark_invalid_bounds): Likewise.
14009         (chkp_maybe_copy_and_register_bounds): Likewise.
14010         (chkp_build_returned_bound): Likewise.
14011         (chkp_get_bound_for_parm): Likewise.
14012         (chkp_build_bndldx): Likewise.
14013         (chkp_get_bounds_by_definition): Likewise.
14014         (chkp_generate_extern_var_bounds): Likewise.
14015         (chkp_get_bounds_for_decl_addr): Likewise.
14016         * tree-chrec.c (chrec_apply): Likewise.
14017         * tree-data-ref.c (dump_data_reference): Likewise.
14018         (dump_subscript): Likewise.
14019         (dump_data_dependence_relation): Likewise.
14020         (analyze_overlapping_iterations): Likewise.
14021         * tree-inline.c (expand_call_inline): Likewise.
14022         (tree_function_versioning): Likewise.
14023         * tree-into-ssa.c (dump_defs_stack): Likewise.
14024         (dump_currdefs): Likewise.
14025         (dump_names_replaced_by): Likewise.
14026         (dump_update_ssa): Likewise.
14027         (update_ssa): Likewise.
14028         * tree-object-size.c (pass_object_sizes::execute): Likewise.
14029         * tree-parloops.c (build_new_reduction): Likewise.
14030         (try_create_reduction_list): Likewise.
14031         (ref_conflicts_with_region): Likewise.
14032         (oacc_entry_exit_ok_1): Likewise.
14033         (oacc_entry_exit_single_gang): Likewise.
14034         * tree-pretty-print.h: Likewise.
14035         * tree-scalar-evolution.c (set_scalar_evolution): Likewise.
14036         (get_scalar_evolution): Likewise.
14037         (add_to_evolution): Likewise.
14038         (get_loop_exit_condition): Likewise.
14039         (analyze_evolution_in_loop): Likewise.
14040         (analyze_initial_condition): Likewise.
14041         (analyze_scalar_evolution): Likewise.
14042         (instantiate_scev): Likewise.
14043         (number_of_latch_executions): Likewise.
14044         (gather_chrec_stats): Likewise.
14045         (final_value_replacement_loop): Likewise.
14046         (scev_const_prop): Likewise.
14047         * tree-sra.c (dump_access): Likewise.
14048         (disqualify_candidate): Likewise.
14049         (create_access): Likewise.
14050         (reject): Likewise.
14051         (maybe_add_sra_candidate): Likewise.
14052         (create_access_replacement): Likewise.
14053         (analyze_access_subtree): Likewise.
14054         (analyze_all_variable_accesses): Likewise.
14055         (sra_modify_assign): Likewise.
14056         (initialize_constant_pool_replacements): Likewise.
14057         (find_param_candidates): Likewise.
14058         (decide_one_param_reduction): Likewise.
14059         (replace_removed_params_ssa_names): Likewise.
14060         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
14061         * tree-ssa-copy.c (dump_copy_of): Likewise.
14062         (copy_prop_visit_cond_stmt): Likewise.
14063         * tree-ssa-dce.c (mark_operand_necessary): Likewise.
14064         * tree-ssa-dom.c (pass_dominator::execute): Likewise.
14065         (record_equivalences_from_stmt): Likewise.
14066         * tree-ssa-dse.c (compute_trims): Likewise.
14067         (delete_dead_call): Likewise.
14068         (delete_dead_assignment): Likewise.
14069         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond): Likewise.
14070         (forward_propagate_into_cond): Likewise.
14071         (pass_forwprop::execute): Likewise.
14072         * tree-ssa-ifcombine.c (ifcombine_ifandif): Likewise.
14073         * tree-ssa-loop-im.c (invariantness_dom_walker::before_dom_children):
14074         Likewise.
14075         (move_computations_worker): Likewise.
14076         (execute_sm): Likewise.
14077         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Likewise.
14078         (remove_exits_and_undefined_stmts): Likewise.
14079         (remove_redundant_iv_tests): Likewise.
14080         * tree-ssa-loop-ivopts.c (dump_use): Likewise.
14081         (adjust_iv_update_pos): Likewise.
14082         * tree-ssa-math-opts.c (bswap_replace): Likewise.
14083         * tree-ssa-phiopt.c (factor_out_conditional_conversion): Likewise.
14084         (value_replacement): Likewise.
14085         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
14086         * tree-ssa-pre.c (print_pre_expr): Likewise.
14087         (get_representative_for): Likewise.
14088         (create_expression_by_pieces): Likewise.
14089         (insert_into_preds_of_block): Likewise.
14090         (eliminate_insert): Likewise.
14091         (eliminate_dom_walker::before_dom_children): Likewise.
14092         (eliminate): Likewise.
14093         (remove_dead_inserted_code): Likewise.
14094         * tree-ssa-propagate.c (substitute_and_fold): Likewise.
14095         * tree-ssa-reassoc.c (get_rank): Likewise.
14096         (eliminate_duplicate_pair): Likewise.
14097         (eliminate_plus_minus_pair): Likewise.
14098         (eliminate_not_pairs): Likewise.
14099         (undistribute_ops_list): Likewise.
14100         (eliminate_redundant_comparison): Likewise.
14101         (update_range_test): Likewise.
14102         (optimize_range_tests_var_bound): Likewise.
14103         (optimize_vec_cond_expr): Likewise.
14104         (rewrite_expr_tree): Likewise.
14105         (rewrite_expr_tree_parallel): Likewise.
14106         (linearize_expr): Likewise.
14107         (break_up_subtract): Likewise.
14108         (linearize_expr_tree): Likewise.
14109         (attempt_builtin_powi): Likewise.
14110         (attempt_builtin_copysign): Likewise.
14111         (transform_stmt_to_copy): Likewise.
14112         (transform_stmt_to_multiply): Likewise.
14113         (dump_ops_vector): Likewise.
14114         * tree-ssa-sccvn.c (vn_nary_build_or_lookup_1): Likewise.
14115         (print_scc): Likewise.
14116         (set_ssa_val_to): Likewise.
14117         (visit_reference_op_store): Likewise.
14118         (visit_use): Likewise.
14119         (sccvn_dom_walker::before_dom_children): Likewise.
14120         (run_scc_vn): Likewise.
14121         * tree-ssa-scopedtables.c (avail_exprs_stack::lookup_avail_expr):
14122         Likewise.
14123         (expr_hash_elt::print): Likewise.
14124         (const_and_copies::pop_to_marker): Likewise.
14125         (const_and_copies::record_const_or_copy_raw): Likewise.
14126         * tree-ssa-structalias.c (compute_dependence_clique): Likewise.
14127         * tree-ssa-uninit.c (collect_phi_def_edges): Likewise.
14128         (dump_predicates): Likewise.
14129         (find_uninit_use): Likewise.
14130         (warn_uninitialized_phi): Likewise.
14131         (pass_late_warn_uninitialized::execute): Likewise.
14132         * tree-ssa.c (verify_vssa): Likewise.
14133         (verify_ssa): Likewise.
14134         (maybe_optimize_var): Likewise.
14135         * tree-vrp.c (dump_value_range): Likewise.
14136         (dump_all_value_ranges): Likewise.
14137         (dump_asserts_for): Likewise.
14138         (register_edge_assert_for_2): Likewise.
14139         (vrp_visit_cond_stmt): Likewise.
14140         (vrp_visit_switch_stmt): Likewise.
14141         (vrp_visit_stmt): Likewise.
14142         (vrp_visit_phi_node): Likewise.
14143         (simplify_cond_using_ranges_1): Likewise.
14144         (fold_predicate_in): Likewise.
14145         (evrp_dom_walker::before_dom_children): Likewise.
14146         (evrp_dom_walker::push_value_range): Likewise.
14147         (evrp_dom_walker::pop_value_range): Likewise.
14148         (execute_early_vrp): Likewise.
14149
14150 2017-05-16  Richard Biener  <rguenther@suse.de>
14151
14152         * dwarf2out.c (loc_list_from_tree_1): Do not create
14153         DW_OP_GNU_variable_value for DECL_IGNORED_P decls.
14154
14155 2017-05-16  Richard Biener  <rguenther@suse.de>
14156
14157         * dwarf2out.c (resolve_variable_value_in_expr): Lookup DIE
14158         just generated.
14159         (note_variable_value_in_expr): If we resolved the decl ref
14160         do not push to the stack.
14161
14162 2017-05-16  Matthew Wahab  <matthew.wahab@arm.com>
14163
14164         * config/arm/arm_neon.h (vadd_f16): Use standard arithmetic
14165         operations in fast-math mode.
14166         (vaddq_f16): Likewise.
14167         (vmul_f16): Likewise.
14168         (vmulq_f16): Likewise.
14169         (vsub_f16): Likewise.
14170         (vsubq_f16): Likewise.
14171         * config/arm/neon.md (add<mode>3): New.
14172         (sub<mode>3): New.
14173         (fma:<VH:mode>3): New.  Also remove outdated comment.
14174         (mul<mode>3): New.
14175
14176 2017-05-16  Martin Liska  <mliska@suse.cz>
14177
14178         PR ipa/79849.
14179         PR ipa/79850.
14180         * ipa-devirt.c (warn_types_mismatch): Fix typo.
14181         (odr_types_equivalent_p): Likewise.
14182
14183 2017-05-15  Sylvestre Ledru  <sylvestre@debian.org>
14184
14185         * plugin.c (try_init_one_plugin): Fix ressource leaks (CID 726637).
14186
14187 2017-05-15  Uros Bizjak  <ubizjak@gmail.com>
14188
14189         PR target/80425
14190         * config/i386.i386.md (*zero_extendsidi2): Do not penalize
14191         non-interunit SSE move alternatives with '?'.
14192         (zero-extendsidi peephole2): New peephole to skip intermediate
14193         general register in SSE zero-extend sequence.
14194
14195 2017-05-15  Jeff Law  <law@redhat.com>
14196
14197         * reorg.c (relax_delay_slots): Create a new variable to hold
14198         the temporary target rather than clobbering TARGET_LABEL.
14199
14200         * config/tilegx/tilegx.c (tilegx_expand_unaligned_load): Add
14201         missing argument to extract_bit_field call.
14202         * config/tilepro/tilepro.c (tilepro_expand_unaligned_load): Likewise.
14203
14204 2017-05-15  Martin Liska  <mliska@suse.cz>
14205
14206         PR driver/31468
14207         * gcc.c (process_command): Do not allow empty argument of -o option.
14208
14209 2017-05-15  Renlin Li  <renlin.li@arm.com>
14210
14211         * config/aarch64/aarch64-protos.h (aarch64_expand_call): Declare.
14212         * config/aarch64/aarch64.c (aarch64_expand_call): Define.
14213         * config/aarch64/constraints.md (Usf): Add long call check.
14214         * config/aarch64/aarch64.md (call): Use aarch64_expand_call.
14215         (call_value): Likewise.
14216         (sibcall): Likewise.
14217         (sibcall_value): Likewise.
14218         (call_insn): New.
14219         (call_value_insn): New.
14220         (sibcall_insn): Update rtx pattern.
14221         (sibcall_value_insn): Likewise.
14222         (call_internal): Remove.
14223         (call_value_internal): Likewise.
14224         (sibcall_internal): Likewise.
14225         (sibcall_value_internal): Likewise.
14226         (call_reg): Likewise.
14227         (call_symbol): Likewise.
14228         (call_value_reg): Likewise.
14229         (call_value_symbol): Likewise.
14230
14231 2017-05-14  Krister Walfridsson  <krister.walfridsson@gmail.com>
14232
14233         PR target/80600
14234         * config/netbsd.h (NETBSD_LIBGCC_SPEC): Always add -lgcc.
14235
14236 2017-05-14  Uros Bizjak  <ubizjak@gmail.com>
14237
14238         * config/i386.i386.c (ix86_cc_modes_compatible): CCNOmode is
14239         compatible with CCGOCmode and with CCZmode.
14240
14241 2017-05-14  Martin Sebor  <msebor@redhat.com>
14242
14243         PR middle-end/77671
14244         * gimple-fold.c (gimple_fold_builtin_sprintf): Make extern.
14245         (gimple_fold_builtin_snprintf): Same.
14246         * gimple-fold.h (gimple_fold_builtin_sprintf): Declare.
14247         (gimple_fold_builtin_snprintf): Same.
14248         * gimple-ssa-sprintf.c (get_format_string): Correct the detection
14249         of character types.
14250         (is_call_safe): New function.
14251         (try_substitute_return_value): Call it.
14252         (try_simplify_call): New function.
14253         (pass_sprintf_length::handle_gimple_call): Call it.
14254
14255 2017-05-14  Martin Sebor  <msebor@redhat.com>
14256
14257         PR middle-end/80669
14258         * builtins.c (expand_builtin_stpncpy): Simplify.
14259
14260 2017-05-14  Daniel Santos  <daniel.santos@pobox.com>
14261
14262         * config/i386/i386.opt: Add option -mcall-ms2sysv-xlogues.
14263         * config/i386/i386.h
14264         (x86_64_ms_sysv_extra_clobbered_registers): Change type to unsigned.
14265         (NUM_X86_64_MS_CLOBBERED_REGS): New macro.
14266         (struct machine_function): Add new members call_ms2sysv,
14267         call_ms2sysv_pad_in, call_ms2sysv_pad_out and call_ms2sysv_extra_regs.
14268         (struct machine_frame_state): New fields sp_realigned and
14269         sp_realigned_offset.
14270         * config/i386/i386.c
14271         (enum xlogue_stub): New enum.
14272         (enum xlogue_stub_sets): New enum.
14273         (class xlogue_layout): New class.
14274         (struct ix86_frame): New fields stack_realign_allocate_offset,
14275         stack_realign_offset and outlined_save_offset.  Modify comments to
14276         detail stack layout when using out-of-line stubs.
14277         (ix86_target_string): Add -mcall-ms2sysv-xlogues option.
14278         (ix86_option_override_internal): Add sorry() for TARGET_SEH and
14279         -mcall-ms2sysv-xlogues.
14280         (stub_managed_regs): New static variable.
14281         (ix86_save_reg): Add new parameter ignore_outlined to optionally omit
14282         registers managed by out-of-line stub.
14283         (disable_call_ms2sysv_xlogues): New function.
14284         (ix86_compute_frame_layout): Modify re-alignment calculations, disable
14285         m->call_ms2sysv when appropriate and compute frame layout for
14286         out-of-line stubs.
14287         (sp_valid_at, fp_valid_at): New inline functions.
14288         (choose_basereg): New function.
14289         (choose_baseaddr): Add align parameter, use choose_basereg and modify
14290         all callers.
14291         (ix86_emit_save_reg_using_mov, ix86_emit_restore_sse_regs_using_mov):
14292         Use align parameter of choose_baseaddr to generated aligned SSE movs
14293         when possible.
14294         (pro_epilogue_adjust_stack): Modify to track
14295         machine_frame_state::sp_realigned.
14296         (ix86_nsaved_regs): Modify to accommodate changes to ix86_save_reg.
14297         (ix86_nsaved_sseregs): Likewise.
14298         (ix86_emit_save_regs): Likewise.
14299         (ix86_emit_save_regs_using_mov): Likewise.
14300         (ix86_emit_save_sse_regs_using_mov): Likewise.
14301         (get_scratch_register_on_entry): Likewise.
14302         (gen_frame_set): New function.
14303         (gen_frame_load): Likewise.
14304         (gen_frame_store): Likewise.
14305         (emit_outlined_ms2sysv_save): Likewise.
14306         (emit_outlined_ms2sysv_restore): Likewise.
14307         (ix86_expand_prologue): Modify stack re-alignment code and call
14308         emit_outlined_ms2sysv_save when appropriate.
14309         (ix86_emit_leave): Clear machine_frame_state::sp_realigned.  Add
14310         parameter rtx_insn *insn, which allows the function to be used to only
14311         generate the notes.
14312         (ix86_expand_epilogue): Modify validity checks of frame and stack
14313         pointers, and call emit_outlined_ms2sysv_restore when appropriate.
14314         (ix86_expand_call): Modify to enable m->call_ms2sysv when appropriate.
14315         * config/i386/predicates.md
14316         (save_multiple): New predicate.
14317         (restore_multiple): Likewise.
14318         * config/i386/sse.md
14319         (save_multiple<mode>): New pattern.
14320         (save_multiple_realign<mode>): Likewise.
14321         (restore_multiple<mode>): Likewise.
14322         (restore_multiple_and_return<mode>): Likewise.
14323         (restore_multiple_leave_return<mode>): Likewise.
14324         * Makefile.in: Export HOSTCXX and HOSTCXXFLAGS to site.exp
14325
14326 2017-05-14  Julia Koval  <julia.koval@intel.com>
14327
14328         * config/i386/i386-builtin-types.def (VOID_FTYPE_INT_INT64): New type.
14329         * config/i386/i386-builtin.def (__builtin_ia32_xgetbv)
14330         (__builtin_ia32_xsetbv): New builtins.
14331         * config/i386/i386.c (ix86_expand_special_args_builtin):
14332         Process new types.
14333         (ix86_expand_builtin): Special expand for new intrinsics.
14334         * config/i386/i386.md (UNSPECV_XGETBV, UNSPECV_XSETBV): New.
14335         (xsetbv, xsetbv_rex64, xgetbv, xgetbv_rex64): New insn patterns.
14336         * config/i386/xsaveintrin.h (_xsetbv, _getbv): New intrinsics.
14337
14338 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
14339
14340         * cfganal.c (inverted_post_order_compute): Change argument type
14341         to vec *.
14342         * cfganal.h (inverted_post_order_compute): Adjust prototype.
14343         * df-core.c (rest_of_handle_df_initialize): Adjust.
14344         (rest_of_handle_df_finish): Likewise.
14345         (df_analyze_1): Likewise.
14346         (df_analyze): Likewise.
14347         (loop_inverted_post_order_compute): Change argument to be a vec *.
14348         (df_analyze_loop): Adjust.
14349         (df_get_n_blocks): Likewise.
14350         (df_get_postorder): Likewise.
14351         * df.h (struct df_d): Change field to be a vec.
14352         * lcm.c (compute_laterin): Adjust.
14353         (compute_available): Likewise.
14354         * lra-lives.c (lra_create_live_ranges_1): Likewise.
14355         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
14356         * tree-ssa-pre.c (compute_antic): Likewise.
14357
14358 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
14359
14360         * cfganal.c (connect_infinite_loops_to_exit): Adjust.
14361         (depth_first_search::depth_first_search): Change structure init
14362         function to this constructor.
14363         (depth_first_search::add_bb): Rename function to this member.
14364         (depth_first_search::execute): Likewise.
14365         (flow_dfs_compute_reverse_finish): Adjust.
14366
14367 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
14368
14369         * ddg.c (find_nodes_on_paths): Use auto_sbitmap.
14370         (longest_simple_path): Likewise.
14371         * shrink-wrap.c (spread_components): Likewise.
14372         (disqualify_problematic_components): Likewise.
14373         (emit_common_heads_for_components): Likewise.
14374         (emit_common_tails_for_components): Likewise.
14375         (insert_prologue_epilogue_for_components): Likewise.
14376
14377 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
14378
14379         * tree-ssa-dse.c (dse_dom_walker): Make m_live_byes a
14380         auto_sbitmap.
14381
14382 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
14383
14384         * df-core.c (df_set_blocks): Start using auto_bitmap.
14385         (df_compact_blocks): Likewise.
14386         * df-problems.c (df_rd_confluence_n): Likewise.
14387         * df-scan.c (df_insn_rescan_all): Likewise.
14388         (df_process_deferred_rescans): Likewise.
14389         (df_update_entry_block_defs): Likewise.
14390         (df_update_exit_block_uses): Likewise.
14391         (df_entry_block_bitmap_verify): Likewise.
14392         (df_exit_block_bitmap_verify): Likewise.
14393         (df_scan_verify): Likewise.
14394         * lra-constraints.c (lra_constraints): Likewise.
14395         (undo_optional_reloads): Likewise.
14396         (lra_undo_inheritance): Likewise.
14397         * lra-remat.c (calculate_gen_cands): Likewise.
14398         (do_remat): Likewise.
14399         * lra-spills.c (assign_spill_hard_regs): Likewise.
14400         (spill_pseudos): Likewise.
14401         * tree-ssa-pre.c (bitmap_set_and): Likewise.
14402         (bitmap_set_subtract_values): Likewise.
14403
14404 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
14405
14406         * haifa-sched.c (estimate_shadow_tick): Replace manual bitmap
14407         management with auto_bitmap.
14408         (fix_inter_tick): Likewise.
14409         (fix_recovery_deps): Likewise.
14410         * ira.c (add_store_equivs): Likewise.
14411         (find_moveable_pseudos): Likewise.
14412         (split_live_ranges_for_shrink_wrap): Likewise.
14413         * print-rtl.c (rtx_reuse_manager::rtx_reuse_manager): Likewise.
14414         (rtx_reuse_manager::seen_def_p): Likewise.
14415         (rtx_reuse_manager::set_seen_def): Likewise.
14416         * print-rtl.h (class rtx_reuse_manager): Likewise.
14417
14418 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
14419
14420         * bt-load.c (combine_btr_defs): Use auto_bitmap to manage bitmap
14421         lifetime.
14422         (migrate_btr_def): Likewise.
14423         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
14424         * df-core.c (loop_post_order_compute): Likewise.
14425         (loop_inverted_post_order_compute): Likewise.
14426         * hsa-common.h: Likewise.
14427         * hsa-gen.c (hsa_bb::~hsa_bb): Likewise.
14428         * init-regs.c (initialize_uninitialized_regs): Likewise.
14429         * ipa-inline.c (resolve_noninline_speculation): Likewise.
14430         (inline_small_functions): Likewise.
14431         * ipa-reference.c (ipa_reference_write_optimization_summary): Likewise.
14432         * ira.c (combine_and_move_insns): Likewise.
14433         (build_insn_chain): Likewise.
14434         * loop-invariant.c (find_invariants): Likewise.
14435         * lower-subreg.c (propagate_pseudo_copies): Likewise.
14436         * predict.c (tree_predict_by_opcode): Likewise.
14437         (predict_paths_leading_to): Likewise.
14438         (predict_paths_leading_to_edge): Likewise.
14439         (estimate_loops_at_level): Likewise.
14440         (estimate_loops): Likewise.
14441         * shrink-wrap.c (try_shrink_wrapping): Likewise.
14442         (spread_components): Likewise.
14443         * tree-cfg.c (remove_edge_and_dominated_blocks): Likewise.
14444         * tree-loop-distribution.c (rdg_build_partitions): Likewise.
14445         * tree-predcom.c (tree_predictive_commoning_loop): Likewise.
14446         * tree-ssa-coalesce.c (coalesce_ssa_name): Likewise.
14447         * tree-ssa-phionlycprop.c (pass_phi_only_cprop::execute): Likewise.
14448         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
14449         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Likewise.
14450         * tree-ssa-threadupdate.c (compute_path_counts): Likewise.
14451         (mark_threaded_blocks): Likewise.
14452         (thread_through_all_blocks): Likewise.
14453         * tree-ssa.c (verify_ssa): Likewise.
14454         (execute_update_addresses_taken): Likewise.
14455         * tree-ssanames.c (verify_ssaname_freelists): Likewise.
14456
14457 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
14458
14459         * cfganal.c (mark_dfs_back_edges): Replace manual stack with
14460         auto_vec.
14461         (post_order_compute): Likewise.
14462         (inverted_post_order_compute): Likewise.
14463         (pre_and_rev_post_order_compute_fn): Likewise.
14464
14465 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
14466
14467         * genrecog.c (int_set::int_set): Explicitly construct our
14468         auto_vec base class.
14469         * vec.h (auto_vec::auto_vec): New constructor.
14470
14471 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
14472
14473         * bitmap.h (class auto_bitmap): New constructor taking
14474         bitmap_obstack * argument.
14475
14476 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
14477
14478         * bitmap.h (class auto_bitmap): Change type of m_bits to
14479         bitmap_head, and adjust ctor / dtor and member operators.
14480
14481 2017-05-13  Uros Bizjak  <ubizjak@gmail.com>
14482
14483         * compare-elim.c (equivalent_reg_at_start): Return NULL_RTX
14484         when returned register mode doesn't match original mode.
14485
14486 2017-05-12  Jeff Law  <law@redhat.com>
14487             Jakub Jelinek  <jakub@redhat.com>
14488
14489         * config/mn10300/mn10300.c (mn10300_match_ccmode): Fix where
14490         we look for cc setter after the compare-elim changes.
14491         * config/mn10300/mn10300.md (addsi3_flags): Fix order of patterns
14492         within the vector to match what compare-elim now expects.
14493         (subsi3_flags, andsi3_flags, iorsi3_flags): Likewise.
14494         (xorsi3_flags, one_cmplsi2_flags): Likewise.
14495
14496         * config/rx/rx.c (rx_match_ccmode): Fix where we look cc setter
14497         after the compare-elim changes.
14498         * config/rx/rx.md (abssi2_flags): Fix order of patterns within
14499         the vector to match what compare-elim now expects.
14500         (addsi3_flags, adc_flags, addsi3_flags peepholes): Likewise.
14501         (andsi3_flags, negsi2_flags, one_cmplsi2_flags): Likewise.
14502         (iorsi3_flags, rotlsi3_flags, rotrsi3_flags): Likewise.
14503         (ashrsi3_flags, lshrsi3_flags, ashlsi3_flags): Likewise.
14504         (ssaddsi3, subsi3_flags, sbb_flags, xorsi3_flags): Likewise.
14505
14506         * config/visium/visium.c (single_set_and_flags): Fix where
14507         we look for cc setter after the compare-elim changes.
14508         * config/visium/visium.md (flags_subst_logic): Fix order of patterns
14509         with the vector to match what compare-elim now expects.
14510         (flags_subst_arith, add<mode>3_insn_set_carry): Likewise.
14511         (add<mode>3_insn_set_overflow, addsi3_insn_set_carry): Likewise.
14512         (addsi3_insn_set_overflow, sub<mode>3_insn_set_carry): Likewise.
14513         (sub<mode>3_insn_set_overflow, subsi3_insn_set_carry): Likewise.
14514         (subsi3_insn_set_overflow, negsi2_insn_set_carry): Likewise.
14515         (neg<mode>2_insn_set_overflow): Likewise.
14516
14517 2017-05-12  Jim Wilson  <jim.wilson@linaro.org>
14518
14519         PR middle-end/79794
14520         * expmed.c (extract_bit_field_1): Add alt_rtl argument.  Before
14521         maybe_expand_insn call, set ops[0].target.  If still set after call,
14522         set alt_rtl.  Add extra arg to recursive calls.
14523         (extract_bit_field): Add alt_rtl argument.  Pass to
14524         extract_bit_field.
14525         * expmed.h (extract_bit_field): Fix prototype.
14526         * expr.c (emit_group_load_1, copy_blkmode_from_reg)
14527         (copy_blkmode_to_reg, read_complex_part, store_field): Pass extra NULL
14528         to extract_bit_field_calls.
14529         (expand_expr_real_1): Pass alt_rtl to expand_expr_real instead of 0.
14530         Pass alt_rtl to extract_bit_field calls.
14531         * calls.c (store_unaligned_arguments_into_psuedos)
14532         load_register_parameters): Pass extra NULL to extract_bit_field calls.
14533         * optabs.c (maybe_legitimize_operand): Clear op->target when call
14534         gen_reg_rtx.
14535         * optabs.h (struct expand_operand): Add target bitfield.
14536
14537 2017-05-12  Uros Bizjak  <ubizjak@gmail.com>
14538
14539         * compare-elim.c (try_eliminate_compare): Canonicalize
14540         operation with embedded compare to
14541         [(set (reg:CCM) (compare:CCM (operation) (immediate)))
14542          (set (reg) (operation)].
14543
14544         * config/i386/i386.c (TARGET_FLAGS_REGNUM): New define.
14545
14546 2017-05-12  Uros Bizjak  <ubizjak@gmail.com>
14547
14548         PR target/80723
14549         * config/i386/i386.c (ix86_rtx_cost) [case PLUS]: Ignore the
14550         cost of adding a carry flag for ADC instruction.
14551         [case MINUS]: Ignore the cost of subtracting a carry flag
14552         for SBB instruction.
14553
14554 2017-05-12  Steven Munroe  <munroesj@gcc.gnu.org>
14555
14556         * config.gcc (powerpc*-*-*): Add bmi2intrin.h, bmiintrin.h,
14557         and x86intrin.h
14558         * config/rs6000/bmiintrin.h: New file.
14559         * config/rs6000/bmi2intrin.h: New file.
14560         * config/rs6000/x86intrin.h: New file.
14561
14562 2017-05-12  Jeff Law  <law@redhat.com>
14563
14564         * tree-vrp.c (vrp_dom_walker::before_dom_children): Push unwinding
14565         markers.
14566
14567 2017-05-12  Peter Bergner  <bergner@vnet.ibm.com>
14568
14569         PR middle-end/80707
14570         * tree-cfg.c: Remove cfg edges of unreachable case statements.
14571
14572 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
14573
14574         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling for
14575         early expansion of vector divide builtins.
14576         (builtin_function_type): Add VSX_BUILTIN_UDIV_V2DI to the list of
14577         builtins identified as having unsigned arguments.
14578
14579 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
14580
14581         * config/rs6000/rs6000.c (gimple-fold.h): New #include.
14582         (rs6000_gimple_fold_builtin): Add handling for early GIMPLE
14583         expansion of vector logical operations (and, andc, or, xor,
14584         nor, orc, nand).
14585
14586 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
14587
14588         * gimple-fold.c (create_tmp_reg_or_ssa_name): Remove static declaration.
14589         * gimple-fold.h (create_tmp_reg_or_ssa_name): New prototype.
14590
14591 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
14592
14593         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling for
14594         early GIMPLE expansion of vector multiplies.
14595
14596 2017-05-12  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
14597
14598         * config/arm/arm.md (movsi): Add TARGET_32BIT in addition to the
14599         TARGET_HAVE_MOVT conditional.
14600         (movt splitter): Likewise.
14601
14602 2017-05-12  Richard Biener  <rguenther@suse.de>
14603
14604         * tree-ssa-sccvn.h (has_VN_INFO): Declare.
14605         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
14606         Fold all stmts not inplace.
14607
14608 2017-05-12  Richard Biener  <rguenther@suse.de>
14609
14610         PR tree-optimization/80713
14611         * tree-ssa-pre.c (remove_dead_inserted_code): Clear
14612         inserted_exprs bit for not removed stmts.
14613
14614 2017-05-12  Thomas Schwinge  <thomas@codesourcery.com>
14615
14616         PR middle-end/69921
14617         * tree-parloops.c (create_parallel_loop): Set "oacc kernels
14618         parallelized" attribute for parallelized OpenACC kernels.
14619         * omp-offload.c (execute_oacc_device_lower): Use it.
14620
14621         * omp-expand.c (expand_omp_target) <GF_OMP_TARGET_KIND_OACC_KERNELS>:
14622         Set "oacc kernels" attribute.
14623         * omp-general.c (oacc_set_fn_attrib): Remove is_kernel formal
14624         parameter.  Adjust all users.
14625         (oacc_fn_attrib_kernels_p): Remove function.
14626         * omp-offload.c (execute_oacc_device_lower): Look for "oacc
14627         kernels" attribute instead of calling oacc_fn_attrib_kernels_p.
14628         * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
14629         * tree-parloops.c (create_parallel_loop): If oacc_kernels_p,
14630         assert "oacc kernels" attribute is set.
14631
14632 2017-05-11  Carl Love  <cel@us.ibm.com>
14633
14634         * config/rs6000/rs6000-c: Add support for built-in functions
14635         vector unsigned char vec_popcnt (vector signed char)
14636         vector unsigned char vec_popcnt (vector unsigned char)
14637         vector unsigned short vec_popcnt (vector signed short)
14638         vector unsigned short vec_popcnt (vector unsigned short)
14639         vector unsigned int vec_popcnt (vector signed int)
14640         vector unsigned int vec_popcnt (vector unsigned int)
14641         vector unsigned long long vec_popcnt (vector signed long long)
14642         vector unsigned long long vec_popcnt (vector unsigned long long)
14643         vector signed long long vec_slo (vector signed long long,
14644                                          vector signed char)
14645         vector signed long long vec_slo (vector signed long long,
14646                                          vector unsigned char)
14647         vector unsigned long long vec_slo (vector unsigned long long,
14648                                            vector signed char)
14649         vector unsigned long long vec_slo (vector unsigned long long,
14650                                            vector unsigned char)
14651         * config/rs6000/rs6000-builtin.def: Add definitions for VPOPCNTUB,
14652         VPOPCNTUH, VPOPCNTUW, and VPOPCNTUD overloads.
14653         * config/rs6000/altivec.h: Add define for vec_popcnt, vec_popcntb,
14654         vec_popcnth, vec_popcntw and vec_popcntd built-in functions.
14655         * doc/extend.texi: Update the built-in documentation file for the
14656         new built-in functions.
14657
14658 2017-05-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
14659
14660         * attribs.h (sorted_attr_string): Move machine independent
14661         functions for target clone support from the i386 port to common
14662         code.  Rename ix86_function_versions to common_function_versions.
14663         Rename make_name to make_unique_name.
14664         (common_function_versions): Likewise.
14665         (make_unique_name): Likewise.
14666         (make_dispatcher_decl): Likewise.
14667         (is_function_default_version): Likewise.
14668         * attribs.c (attr_strcmp): Likewise.
14669         (sorted_attr_string): Likewise.
14670         (common_function_versions): Likewise.
14671         (make_unique_name): Likewise.
14672         (make_dispatcher_decl): Likewise.
14673         (is_function_default_version): Likewise.
14674         * config/i386/i386.c (attr_strcmp): Likewise.
14675         (sorted_attr_string): Likewise.
14676         (ix86_function_versions): Likewise.
14677         (make_name): Likewise.
14678         (make_dispatcher_decl): Likewise.
14679         (is_function_default_version): Likewise.
14680         (TARGET_OPTION_FUNCTION_VERSIONS): Update target function hook.
14681
14682 2017-05-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
14683
14684         PR target/80695
14685         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost):
14686         Account for direct move costs for vec_construct of integer
14687         vectors.
14688
14689 2017-05-11  Uros Bizjak  <ubizjak@gmail.com>
14690
14691         PR target/80706
14692         * config/i386/sync.md (UNSPEC_LDX_ATOMIC): New unspec.
14693         (UNSPEC_STX_ATOMIC): Ditto.
14694         (loaddi_via_sse): New insn.
14695         (storedi_via_sse): Ditto.
14696         (atomic_loaddi_fpu): Emit loaddi_via_sse and storedi_via_sse.
14697         Update corresponding peephole2 patterns.
14698         (atomic_storedi_fpu): Ditto.
14699
14700 2017-05-11  Julia Koval  <julia.koval@intel.com>
14701
14702         * config/i386/avx512fintrin.h (_mm_mask_rsqrt14_sd)
14703         (_mm_maskz_rsqrt14_sd, _mm_mask_rsqrt14_ss, _mm_maskz_rsqrt14_ss):
14704         New intrinsics.
14705         * config/i386/i386-builtin.def (__builtin_ia32_rsqrt14sd_mask)
14706         (__builtin_ia32_rsqrt14ss_mask): New builtins.
14707         * config/i386/sse.md (rsqrt14_<mode>_mask): New pattern.
14708
14709 2017-05-11  Nathan Sidwell  <nathan@acm.org>
14710
14711         * graphite-poly.c: Include dumpfile.h.
14712
14713         * dumpfle.h (dump_function): Declare here ...
14714         * tree-dump.h (dump_function): ... not here.
14715         * dumpfile.c: #include tree-cfg.h.
14716         (dump_function): Move here from ...
14717         * tree-dump.c (dump_function): ... here.
14718         * gimplify.c: #include splay-tree.h, not tree-dump.h.
14719         * graphite-poly.c: Don't include tree-dump.h.
14720         * cgraphclones.c: Include dumpfile.h not tree-dump.h.
14721         * print-tree.c: Likewise.
14722         * stor-layout.c: Likewise.
14723         * tree-nested.c: Likewise.
14724
14725         * dumpfile.c (dump_start): Use TDF_FLAGS.
14726         (dump_enable_all): Fix TDF_KIND check thinko.
14727
14728 2017-05-11  Kelvin Nilsen  <kelvin@gcc.gnu.org>
14729
14730         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
14731         array entries to represent two legal parameterizations of the
14732         overloaded __builtin_cmpb function, as represented by the
14733         P6_OV_BUILTIN_CMPB constant.
14734         (altivec_resolve_overloaded_builtin): Add special case handling
14735         for the __builtin_cmpb function, as represented by the
14736         P6_OV_BUILTIN_CMPB constant.
14737         * config/rs6000/rs6000-builtin.def (BU_P6_2): New macro.
14738         (BU_P6_64BIT_2): New macro.
14739         (BU_P6_OVERLOAD_2): New macro
14740         (CMPB_32): Add 32-bit compare-bytes support for 32-bit only targets.
14741         (CMPB): Add 64-bit compare-bytes support for 32-bit and 64-bit targets.
14742         (CMPB): Add overload support to represent both 32-bit and 64-bit
14743         compare-bytes function.
14744         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
14745         support for TARGET_CMPB.
14746         * config/rs6000/rs6000.h: Add support for RS6000_BTM_CMPB.
14747         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Add
14748         documentation of the __builtin_cmpb overloaded built-in function.
14749
14750 2017-05-11  Richard Biener  <rguenther@suse.de>
14751
14752         PR tree-optimization/80705
14753         * tree-vect-data-refs.c (vect_analyze_data_refs): DECL_NONALIASED
14754         bases are not vectorizable.
14755
14756 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
14757
14758         * tree-ssa-loop-ivopts.c (determine_set_costs): Skip non-interger
14759         when counting register pressure.
14760
14761 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
14762
14763         * tree-ssa-loop-ivopts.c (compare_cost_pair): New.
14764         (iv_ca_more_deps): Renamed to ...
14765         (iv_ca_compare_deps): ... this.
14766         (iv_ca_extend): Extend iv_ca if NEW_CP is cheaper than OLD_CP.
14767
14768 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
14769
14770         * tree-ssa-loop-ivopts.c (find_interesting_uses): Move inv vars dump
14771         to ...
14772         (determine_group_iv_costs): ... here.
14773         (find_inv_vars_cb): Record inv var if it's not recorded before.
14774
14775 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
14776
14777         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): Refine comments.
14778         (get_shiftadd_cost): Ditto.
14779
14780 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
14781
14782         * tree-ssa-address.c: Include header file.
14783         (move_hint_to_base): Return TRUE if BASE_HINT is moved to memory
14784         address.
14785         (add_to_parts): Refactor.
14786         (addr_to_parts): New parameter.  Update use of move_hint_to_base.
14787         (create_mem_ref): Update use of addr_to_parts.  Re-associate addr
14788         in new order.
14789
14790 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
14791
14792         PR tree-optimization/53090
14793         * tree-ssa-loop-ivopts.c (enum comp_iv_rewrite): New enum value
14794         COMP_IV_EXPR_2.
14795         (extract_cond_operands): Detect condition with IV on both sides
14796         and return COMP_IV_EXPR_2.
14797         (find_interesting_uses_cond): Add iv_use for both IVs in condition.
14798         (rewrite_use_compare): Simplify by removing call to function
14799         extract_cond_operands.
14800
14801 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
14802
14803         * tree-ssa-loop-ivopts.c (enum comp_iv_rewrite): New.
14804         (extract_cond_operands): Detect condition comparing against non-
14805         invariant bound and return appropriate enum value.
14806         (find_interesting_uses_cond): Update use of extract_cond_operands.
14807         Handle its return value accordingly.
14808         (determine_group_iv_cost_cond, rewrite_use_compare): Ditto.
14809
14810 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
14811
14812         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Re-associate
14813         nonlinear iv_use computation in loop invariant sensitive way.
14814
14815 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
14816
14817         * tree-ssa-loop-ivopts.c (relate_compare_use_with_all_cands): New.
14818         (find_iv_candidates): Call relate_compare_use_with_all_cands.
14819
14820 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
14821
14822         * tree-ssa-loop-ivopts.c (struct iv_cand): New field inv_exprs.
14823         (dump_cand): Support iv_cand.inv_exprs.
14824         (add_candidate_1): Record invariant exprs in iv_cand.inv_exprs
14825         for candidates.
14826         (iv_ca_set_no_cp, iv_ca_set_cp, free_loop_data): Support
14827         iv_cand.inv_exprs.
14828
14829 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
14830
14831         * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): Move
14832         from ...
14833         * tree-ssa-address.c (multiplier_allowed_in_address_p): ... to here
14834         as local function.  Include necessary header files.
14835         * tree-ssa-loop-ivopts.h (multiplier_allowed_in_address_p): Delete.
14836
14837 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
14838
14839         * tree-ssa-loop-ivopts.c (autoinc_possible_for_pair): Simplify.
14840
14841 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
14842
14843         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Handle more
14844         operators: TRUNC_DIV_EXPR, BIT_AND_EXPR, BIT_IOR_EXPR, LSHIFT_EXPR,
14845         RSHIFT_EXPR and BIT_NOT_EXPR.
14846
14847 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
14848
14849         * tree-ssa-loop-ivopts.c (get_loop_invariant_expr): Simplify.
14850         (adjust_setup_cost): New parameter supporting round up adjustment.
14851         (struct address_cost_data): Delete.
14852         (force_expr_to_var_cost): Don't bound cost with spill_cost.
14853         (split_address_cost, ptr_difference_cost): Delete.
14854         (difference_cost, compare_aff_trees, record_inv_expr): Delete.
14855         (struct ainc_cost_data): New struct.
14856         (get_address_cost_ainc): New function.
14857         (get_address_cost, get_computation_cost): Reimplement.
14858         (determine_group_iv_cost_address): Record inv_expr for all uses of
14859         a group.
14860         (determine_group_iv_cost_cond): Call get_loop_invariant_expr.
14861         (iv_ca_has_deps): Reimplemented to ...
14862         (iv_ca_more_deps): ... this.  Check if NEW_CP introduces more deps
14863         than OLD_CP.
14864         (iv_ca_extend): Call iv_ca_more_deps.
14865
14866 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
14867
14868         * tree-ssa-address.c (struct mem_address): Move to header file.
14869         (valid_mem_ref_p, move_fixed_address_to_symbol): Make it global.
14870         * tree-ssa-address.h (struct mem_address): Move from C file.
14871         (valid_mem_ref_p, move_fixed_address_to_symbol): Declare.
14872
14873 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
14874
14875         * tree-affine.h (aff_combination_type): New interface.
14876         (aff_combination_zero_p): Remove static.
14877         (aff_combination_const_p): New interface.
14878         (aff_combination_singleton_var_p): New interfaces.
14879
14880 2017-05-11  Richard Biener  <rguenther@suse.de>
14881
14882         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
14883         Skip unreachable blocks and destinations.
14884         (eliminate): Move stmt removal and fixup ...
14885         (fini_eliminate): ... here.  Skip inserted exprs.
14886         (pass_pre::execute): Move fini_pre after fini_eliminate.
14887         * tree-ssa-tailmerge.c: Include tree-cfgcleanup.h.
14888         (tail_merge_optimize): Run cleanup_tree_cfg if requested by
14889         PRE to get rid of dead code that has invalid SSA form and
14890         split critical edges again.
14891
14892 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
14893
14894         * rtlanal.c (rtx_cost): Handle TRUNCATE between tieable modes.
14895
14896 2017-05-11  Richard Biener  <rguenther@suse.de>
14897
14898         * passes.c (execute_function_todo): Verify loops if they are
14899         said to be up-to-date.
14900         * cfgexpand.c (pass_expand::execute): Discard loops for -dx.
14901         * trans-mem.c (pass_tm_edges::execute): Mark loops for fixup.
14902
14903 2017-05-10  John David Anglin  <danglin@gcc.gnu.org>
14904
14905         PR target/80090
14906         * config/pa/pa.c (pa_assemble_integer): When outputting a SYMBOL_REF,
14907         handle calling assemble_external ourself.
14908
14909         PR target/79027
14910         * config/pa/pa.c (pa_cannot_change_mode_class): Reject changes to/from
14911         modes with zero size.  Enhance comment.
14912
14913 2017-05-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
14914
14915         * config/rs6000/rs6000.c (altivec_init_builtins): Define POWER8
14916         built-ins for vec_xl and vec_xst with short and char pointer
14917         arguments.
14918
14919 2017-05-10  Sebastian Peryt  <sebastian.peryt@intel.com>
14920
14921         * config/i386/avx512fintrin.h (_mm_mask_max_round_sd)
14922         (_mm_maskz_max_round_sd, _mm_mask_max_round_ss)
14923         (_mm_maskz_max_round_ss, _mm_mask_min_round_sd)
14924         (_mm_maskz_min_round_sd, _mm_mask_min_round_ss)
14925         (_mm_maskz_min_round_ss): New intrinsics.
14926         * config/i386/i386-builtin-types.def (V2DF, V2DF, V2DF, V2DF, UQI, INT)
14927         (V4SF, V4SF, V4SF, V4SF, UQI, INT): New function type aliases.
14928         * config/i386/i386-builtin.def (__builtin_ia32_maxsd_mask_round)
14929         (__builtin_ia32_maxss_mask_round, __builtin_ia32_minsd_mask_round)
14930         (__builtin_ia32_minss_mask_round): New builtins.
14931         * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
14932         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): Handle new types.
14933         * config/i386/sse.md (<sse>_vm<code><mode>3<round_saeonly_name>):
14934         Rename to ...
14935         (<sse>_vm<code><mode>3<mask_name><round_saeonly_name>): ... this.
14936         (v<maxmin_float><ssescalarmodesuffix>\t{<round_saeonly_op3>%2, %1, %0|%0, %1, %<iptr>2<round_saeonly_op3>}):
14937         Change to ...
14938         (v<maxmin_float><ssescalarmodesuffix>\t{<round_saeonly_mask_op3>%2, %1, %0<mask_operand3>|%0<mask_operand3>, %1, %<iptr>2<round_saeonly_mask_op3>}):
14939         ... this.
14940
14941 2017-05-10  Sebastian Peryt  <sebastian.peryt@intel.com>
14942
14943         * config/i386/avx512fintrin.h (_mm_mask_mul_round_sd)
14944         (_mm_maskz_mul_round_sd, _mm_mask_mul_round_ss)
14945         (_mm_maskz_mul_round_ss, _mm_mask_div_round_sd)
14946         (_mm_maskz_div_round_sd, _mm_mask_div_round_ss)
14947         (_mm_maskz_div_round_ss, _mm_mask_mul_sd, _mm_maskz_mul_sd)
14948         (_mm_mask_mul_ss, _mm_maskz_mul_ss, _mm_mask_div_sd)
14949         (_mm_maskz_div_sd, _mm_mask_div_ss, _mm_maskz_div_ss): New intrinsics.
14950         * config/i386/i386-builtin-types.def (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
14951         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): New function type aliases.
14952         * config/i386/i386-builtin.def (__builtin_ia32_divsd_mask_round)
14953         (__builtin_ia32_divss_mask_round, __builtin_ia32_mulsd_mask_round)
14954         (__builtin_ia32_mulss_mask_round): New builtins.
14955         * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
14956         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): Handle new types.
14957         * config/i386/sse.md (<sse>_vm<multdiv_mnemonic><mode>3<round_name>):
14958         Rename to ...
14959         (<sse>_vm<multdiv_mnemonic><mode>3<mask_name><round_name>): ... this.
14960         (v<multdiv_mnemonic><ssescalarmodesuffix>\t{<round_op3>%2, %1, %0|%0, %1, %<iptr>2<round_op3>}):
14961         Change to ...
14962         (v<multdiv_mnemonic><ssescalarmodesuffix>\t{<round_mask_op3>%2, %1, %0<mask_operand3>|%0<mask_operand3>, %1, %<iptr>2<round_mask_op3>}):
14963         ... this.
14964
14965 2017-05-10  Julia Koval  <julia.koval@intel.com>
14966
14967         * config/i386/avxintrin.h (_mm256_set_m128, _mm256_set_m128d)
14968         (_mm256_set_m128i, _mm256_setr_m128, _mm256_setr_m128d)
14969         (_mm256_setr_m128i): New intrinsics.
14970
14971 2017-05-10  Julia Koval  <julia.koval@intel.com>
14972
14973         * config/i386/avx512fintrin.h (_mm_mask_rcp14_sd)
14974         (_mm_maskz_rcp14_sd, _mm_mask_rcp14_ss)
14975         (_mm_maskz_rcp14_ss): New intrinsics.
14976         * config/i386/i386-builtin.def (__builtin_ia32_rcp14sd_mask)
14977         (__builtin_ia32_rcp14ss_mask): New builtins.
14978         * config/i386/sse.md (srcp14<mode>_mask): New pattern.
14979
14980 2017-05-10  Peter Bergner  <bergner@vnet.ibm.com>
14981
14982         PR tree-optimization/51513
14983         * tree-cfg.c (gimple_seq_unreachable_p): New function.
14984         (assert_unreachable_fallthru_edge_p): Use it.
14985         (group_case_labels_stmt): Likewise.
14986         * tree-cfg.h: Prototype it.
14987         * stmt.c: Include cfghooks.h and tree-cfg.h.
14988         (emit_case_dispatch_table) <gap_label>: New local variable.
14989         Use it to fill dispatch table gaps.
14990         Test for default_label before updating probabilities.
14991         (expand_case) <default_label>: Remove unneeded initialization.
14992         Test for unreachable default case statement and remove its edge.
14993         Set default_label accordingly.
14994         * tree-ssa-ccp.c (optimize_unreachable): Update comment.
14995
14996 2017-05-10  Carl Love  <cel@us.ibm.com>
14997
14998         * config/rs6000/rs6000-c: Add support for built-in functions
14999         vector signed char      vec_neg (vector signed char)
15000         vector signed short int vec_neg (vector short int)
15001         vector signed int       vec_neg (vector signed int)
15002         vector signed long long vec_neg (vector signed long long)
15003         vector float            vec_neg (vector float)
15004         vector double           vec_neg (vector double)
15005         * config/rs6000/rs6000-builtin.def: Add definitions for NEG function
15006         overload.
15007         * config/rs6000/altivec.h: Add define for vec_neg
15008         * doc/extend.texi: Update the built-in documentation for the
15009         new built-in functions.
15010
15011 2017-05-10  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
15012
15013         PR tree-optimization/77644
15014         * match.pd (sqrt(x) cmp sqrt(y) -> x cmp y): New pattern.
15015
15016 2017-05-10  Nathan Sidwell  <nathan@acm.org>
15017
15018         * dumpfile.h (TDI_lang_all): New.
15019         (TDF_KIND): New. Renumber others
15020         (TDF_LANG, TDF_TREE, TDF_RTL, TDF_IPA): Enumerate value, rather
15021         than bits.
15022         * dumpfile.c (dump_files): Mark language dumps as TDF_LANG.  add
15023         lang-all.
15024         (get_dump_file_name): Adjust suffix generation.
15025         (dump_enable_all): Use TDF_KIND.
15026         * doc/invoke.texi (-fdump-lang-all): Document.
15027
15028         * dumpfile.h: Tabify.
15029
15030 2017-05-10  Wilco Dijkstra  <wdijkstr@arm.com>
15031
15032         PR target/80671
15033         * config/aarch64/cortex-a57-fma-steering.c (merge_forest):
15034         Move member access before delete.
15035
15036 2017-05-10  Alexandre Oliva <aoliva@redhat.com>
15037
15038         * tree-inline.c (expand_call_inline): Split block at stmt
15039         before the call.
15040
15041 2017-05-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
15042
15043         PR target/68163
15044         * config/rs6000/rs6000.md (f32_lr): Delete mode attributes that
15045         are now unused after splitting mov{sf,sd}_hardfloat.
15046         (f32_lr2): Likewise.
15047         (f32_lm): Likewise.
15048         (f32_lm2): Likewise.
15049         (f32_li): Likewise.
15050         (f32_li2): Likewise.
15051         (f32_lv): Likewise.
15052         (f32_sr): Likewise.
15053         (f32_sr2): Likewise.
15054         (f32_sm): Likewise.
15055         (f32_sm2): Likewise.
15056         (f32_si): Likewise.
15057         (f32_si2): Likewise.
15058         (f32_sv): Likewise.
15059         (f32_dm): Likewise.
15060         (f32_vsx): Likewise.
15061         (f32_av): Likewise.
15062         (mov<mode>_hardfloat): Split into separate movsf and movsd pieces.
15063         For movsf, order stores so the VSX stores occur before the GPR
15064         store which encourages the register allocator to use a traditional
15065         FPR instead of a GPR.  For movsd, order the stores so that the GPR
15066         store comes before the VSX stores to allow the power6 to work.
15067         This is due to the power6 not having a 32-bit integer store
15068         instruction from a FPR.
15069         (movsf_hardfloat): Likewise.
15070         (movsd_hardfloat): Likewise.
15071
15072 2017-05-09  Martin Sebor  <msebor@redhat.com>
15073
15074         PR translation/80280
15075         * config/sol2-c.c (cmn_err_flag_specs): Initialize new data member
15076         added in r247778.
15077
15078         PR translation/80280
15079         * config/i386/msformat-c.c (ms_printf_flag_specs): Initialize new
15080         data member added in r247778.
15081         (ms_scanf_flag_specs, ms_strftime_flag_specs): Same.
15082
15083 2017-05-09  Nathan Sidwell  <nathan@acm.org>
15084
15085         * tree.h (tree_fits_shwi_p, tree_fits_uhwi_p): Unconditionally pure.
15086
15087         * ipa-devirt.c (default_hash_traits<type_pair>): Skip struct-scope
15088         typedefs.
15089
15090 2017-05-09  Marek Polacek  <polacek@redhat.com>
15091
15092         * doc/invoke.texi: Fix typo.
15093
15094 2017-05-09  Richard Biener  <rguenther@suse.de>
15095
15096         * tree-vrp.c (vrp_val_is_max): Adjust comment.
15097         (vrp_val_is_min): Likewise.
15098         (set_value_range_to_value): Likewise.
15099         (set_value_range_to_nonnegative): Likewise.
15100         (gimple_assign_nonzero_p): Likewise.
15101         (gimple_stmt_nonzero_p): Likewise.
15102         (vrp_int_const_binop): Likewise.  Remove unreachable case.
15103         (adjust_range_with_scev): Adjust comments.
15104         (compare_range_with_value): Likewise.
15105         (extract_range_from_phi_node): Likewise.
15106         (test_for_singularity): Likewise.
15107
15108 2017-05-09  Richard Biener  <rguenther@suse.de>
15109
15110         * tree-vrp.c (get_single_symbol): Add assert that we don't
15111         get overflowed constants as invariant part.
15112         (compare_values_warnv): Add comment before the TREE_NO_WARNING
15113         checks.  Use wi::cmp instead of recursing for integer constants.
15114         (compare_values): Just ignore whether we assumed undefined
15115         overflow instead of failing the compare.
15116         (extract_range_for_var_from_comparison_expr): Add comment before the
15117         TREE_NO_WARNING sets.
15118         (test_for_singularity): Likewise.
15119         (extract_range_from_comparison): Do not disable optimization
15120         when we assumed undefined overflow.
15121         (extract_range_basic): Remove init of unused var.
15122
15123 2017-05-09  Richard Biener  <rguenther@suse.de>
15124
15125         * tree-vrp.c (vrp_int_const_binop): Use wide-ints and simplify.
15126         (extract_range_from_multiplicative_op_1): Adjust.
15127         (extract_range_from_binary_expr_1): Use int_const_binop.
15128
15129 2017-05-08  Kelvin Nilsen  <kelvin@gcc.gnu.org>
15130
15131         PR target/80101
15132         * config/rs6000/power6.md: Replace store_data_bypass_p calls with
15133         rs6000_store_data_bypass_p in seven define_bypass directives and
15134         in several comments.
15135         * config/rs6000/rs6000-protos.h: Add prototype for
15136         rs6000_store_data_bypass_p function.
15137         * config/rs6000/rs6000.c (rs6000_store_data_bypass_p): New
15138         function implements slightly different (rs6000-specific) semantics
15139         than store_data_bypass_p, returning false rather than aborting
15140         with assertion error when arguments do not satisfy the
15141         requirements of store data bypass.
15142         (rs6000_adjust_cost): Replace six calls of store_data_bypass_p with
15143         rs6000_store_data_bypass_p.
15144
15145 2017-05-08  Max Filippov  <jcmvbkbc@gmail.com>
15146
15147         * config/xtensa/xtensa-protos.h
15148         (xtensa_initial_elimination_offset): New declaration.
15149         * config/xtensa/xtensa.c (xtensa_initial_elimination_offset):
15150         New function. Move its body from the INITIAL_ELIMINATION_OFFSET
15151         macro definition, add case for FRAME_POINTER_REGNUM when
15152         FRAME_GROWS_DOWNWARD.
15153         * config/xtensa/xtensa.h (FRAME_GROWS_DOWNWARD): New macro definition.
15154         (INITIAL_ELIMINATION_OFFSET): Replace body with call to
15155         xtensa_initial_elimination_offset.
15156
15157 2017-05-08  Nathan Sidwell  <nathan@acm.org>
15158
15159         * doc/invoke.texi: Alphabetize -fdump options.
15160
15161 2017-05-08  Martin Sebor  <msebor@redhat.com>
15162
15163         PR translation/80280
15164         * config/sol2-c.c (solaris_pragma_align): Correct quoting.
15165
15166 2017-05-08  Bernd Edlinger  <bernd.edlinger@hotmail.de>
15167
15168         * target.def (compute_frame_layout): New optional target hook.
15169         * doc/tm.texi.in (TARGET_COMPUTE_FRAME_LAYOUT): Add hook.
15170         * doc/tm.texi (TARGET_COMPUTE_FRAME_LAYOUT): Add documentation.
15171         * lra-eliminations.c (update_reg_eliminate): Call compute_frame_layout
15172         target hook.
15173         * reload1.c (verify_initial_elim_offsets): Likewise.
15174         * config/arm/arm.c (TARGET_COMPUTE_FRAME_LAYOUT): Define.
15175         (use_simple_return_p): Call arm_compute_frame_layout if needed.
15176         (arm_get_frame_offsets): Split up into this ...
15177         (arm_compute_frame_layout): ... and this function.
15178
15179 2017-05-08  Richard Sandiford  <richard.sandiford@arm.com>
15180
15181         * config/aarch64/constraints.md (Usa): New constraint.
15182         * config/aarch64/aarch64.md (*movsi_aarch64, *movdi_aarch64): Use it.
15183
15184 2017-05-08  Thomas Preud'homme  <thomas.preudhomme@arm.com>
15185
15186         * config.gcc (arm*-*-*): Set TM_MULTILIB_CONFIG from
15187         with_multilib_list after it has been checked.
15188
15189 2017-05-08  Richard Biener  <rguenther@suse.de>
15190
15191         * tree-ssa-pre.c (bitmap_set_and): Avoid bitmap copy.
15192         (bitmap_set_subtract_values): Likewise.
15193
15194 2017-05-08  Richard Biener  <rguenther@suse.de>
15195
15196         * tree-vrp.c (gimple_assign_nonzero_warnv_p): Rename to ...
15197         (gimple_assign_nonzero): ... this and remove strict_overflow_p
15198         argument.
15199         (gimple_stmt_nonzero_warnv_p): Rename to ...
15200         (gimple_stmt_nonzero_p): ... this and remove strict_overflow_p
15201         argument.
15202         (vrp_stmt_computes_nonzero): Remove strict_overflow_p argument.
15203         (extract_range_basic): Adjust, do not disable propagation on
15204         strict overflow sensitive simplification.
15205         (vrp_visit_cond_stmt): Likewise.
15206
15207 2017-05-05  Jan Hubicka  <hubicka@ucw.cz>
15208
15209         * ipa-inline-analysis.c (estimate_function_body_sizes): Recompute
15210         body size unconditionally.
15211
15212 2017-05-07  Jeff Law  <law@redhat.com>
15213
15214         Revert:
15215         2017-05-06  Jeff Law  <law@redhat.com>
15216         PR tree-optimization/78496
15217         * tree-vrp.c (simplify_assert_expr_using_ranges): Remove debugging
15218         code.
15219
15220         PR tree-optimization/78496
15221         * tree-vrp.c (simplify_assert_expr_using_ranges): New function.
15222         (simplify_stmt_using_ranges): Call it.
15223         (vrp_dom_walker::before_dom_children): Extract equivalences
15224         from an ASSERT_EXPR with an equality comparison against a
15225         constant.
15226
15227 2017-05-06  Jeff Law  <law@redhat.com>
15228
15229         PR tree-optimization/78496
15230         * tree-vrp.c (simplify_assert_expr_using_ranges): Remove debugging
15231         code.
15232
15233         PR tree-optimization/78496
15234         * tree-vrp.c (simplify_assert_expr_using_ranges): New function.
15235         (simplify_stmt_using_ranges): Call it.
15236         (vrp_dom_walker::before_dom_children): Extract equivalences
15237         from an ASSERT_EXPR with an equality comparison against a
15238         constant.
15239
15240 2017-05-06  Richard Sandiford  <richard.sandiford@linaro.org>
15241
15242         * lra-constraints.c (lra_copy_reg_equiv): New function.
15243         (split_reg): Use it to copy equivalence information from the
15244         original register to the spill register.
15245
15246 2017-05-06  Richard Sandiford  <richard.sandiford@linaro.org>
15247
15248         PR rtl-optimization/75964
15249         * simplify-rtx.c (simplify_const_relational_operation): Remove
15250         invalid handling of comparisons of integer ABS.
15251
15252 2017-05-06  Uros Bizjak  <ubizjak@gmail.com>
15253
15254         * config/i386/i386.c (ext_80387_constant_init): Do not explicitly
15255         initialize to zero.
15256         (init_regs): Remove declaration.
15257         (function_arg_advance_32): Initialize error_p as boolean variable.
15258
15259 2017-05-05  Nathan Sidwell  <nathan@acm.org>
15260
15261         * store-motion.c (remove_reachable_equiv_notes): Reformat long
15262         lines.  Use for (;;).
15263
15264 2017-05-05  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
15265
15266         * config/rs6000/rs6000.c (rs6000_vect_nonmem): New static var.
15267         (rs6000_init_cost): Initialize rs6000_vect_nonmem.
15268         (rs6000_add_stmt_cost): Update rs6000_vect_nonmem.
15269         (rs6000_finish_cost): Avoid vectorizing simple copy loops with
15270         VF=2 that require versioning.
15271
15272 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
15273
15274         * diagnostic.h (CARET_LINE_MARGIN): Convert from macro to const
15275         int.
15276
15277 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
15278
15279         * diagnostic.h (diagnostic_override_option_index): Convert from
15280         macro to inline function.
15281
15282 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
15283
15284         * diagnostic.c (last_module_changed_p): New function.
15285         (set_last_module): New function.
15286         (diagnostic_report_current_module): Convert macro usage to
15287         the above functions.
15288         * diagnostic.h (diagnostic_context::last_module): Strengthen
15289         from const line_map * to const line_map_ordinary *.
15290         (diagnostic_last_module_changed): Delete macro.
15291         (diagnostic_set_last_module): Delete macro.
15292
15293 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
15294
15295         * diagnostic.c (diagnostic_impl): Replace report_diagnostic
15296         with diagnostic_report_diagnostic.
15297         (diagnostic_n_impl_richloc): Likewise.
15298         * diagnostic.h (report_diagnostic): Delete macro.
15299         * rtl-error.c (diagnostic_for_asm): Replace report_diagnostic
15300         with diagnostic_report_diagnostic.
15301         * substring-locations.c (format_warning_va): Likewise.
15302
15303 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
15304
15305         * diagnostic.c (diagnostic_report_diagnostic): Eliminate
15306         save/restor of format_spec.  Move option-printing code to...
15307         (print_option_information): ...this new function, and
15308         reimplement by simply printing to the pretty_printer,
15309         rather than appending to the format string.
15310
15311 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
15312
15313         * diagnostic.c (diagnostic_report_diagnostic): Split out pragma
15314         handling logic into...
15315         (update_effective_level_from_pragmas): ...this new function.
15316
15317 2017-05-04  Andrew Waterman  <andrew@sifive.com>
15318
15319         * config/riscv/riscv.opt (mstrict-align): New option.
15320         * config/riscv/riscv.h (STRICT_ALIGNMENT): Use it.  Update comment.
15321         (SLOW_UNALIGNED_ACCESS): Define.
15322         (riscv_slow_unaligned_access): Declare.
15323         * config/riscv/riscv.c (riscv_tune_info): Add slow_unaligned_access
15324         field.
15325         (riscv_slow_unaligned_access): New variable.
15326         (rocket_tune_info): Set slow_unaligned_access to true.
15327         (optimize_size_tune_info): Set slow_unaligned_access to false.
15328         (riscv_cpu_info_table): Add entry for optimize_size_tune_info.
15329         (riscv_valid_lo_sum_p): Use TARGET_STRICT_ALIGN.
15330         (riscv_option_override): Set riscv_slow_unaligned_access.
15331         * doc/invoke.texi: Add -mstrict-align to RISC-V.
15332
15333 2017-05-04  Kito Cheng  <kito.cheng@gmail.com>
15334
15335         * config/riscv/riscv.md: Unify indentation.
15336
15337 2017-05-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
15338
15339         PR target/79038
15340         PR target/79202
15341         PR target/79203
15342         * config/rs6000/rs6000.md (u code attribute): Add FIX and
15343         UNSIGNED_FIX.
15344         (extendsi<mode>2): Add support for doing sign extension via
15345         VUPKHSW and XXPERMDI if the value is in Altivec registers and we
15346         don't have ISA 3.0 instructions.
15347         (extendsi<mode>2 splitter): Likewise.
15348         (fix_trunc<mode>si2): If we are at ISA 2.07 (VSX small integer),
15349         generate the normal insns since SImode can now go in vector
15350         registers.  Disallow the special UNSPECs needed for previous
15351         machines to hide SImode being used.  Add new insns
15352         fctiw{,w}_<mode>_smallint if SImode can go in vector registers.
15353         (fix_trunc<mode>si2_stfiwx): Likewise.
15354         (fix_trunc<mode>si2_internal): Likewise.
15355         (fixuns_trunc<mode>si2): Likewise.
15356         (fixuns_trunc<mode>si2_stfiwx): Likewise.
15357         (fctiw<u>z_<mode>_smallint): Likewise.
15358         (fctiw<u>z_<mode>_mem): New combiner pattern to prevent conversion
15359         of floating point to 32-bit integer from doing a direct move to
15360         the GPR registers to do a store.
15361         (fctiwz_<mode>): Break long line.
15362
15363 2017-05-05  Bin Cheng  <bin.cheng@arm.com>
15364
15365         * Makefile.in (GTFILES): Add tree-ssa-loop-ivopts.c.
15366         * tree-ssa-loop-ivopts.c (compute_max_addr_offset): Delete.
15367         (addr_list, addr_offset_valid_p): New.
15368         (split_address_groups): Check offset validity with above function.
15369         (gt-tree-ssa-loop-ivopts.h): Include header file.
15370
15371 2017-05-05  Nathan Sidwell  <nathan@acm.org>
15372
15373         * config.gcc (arm*-*-*): Add missing 'fi'.
15374
15375 2017-05-05  Steve Ellcey  <sellcey@cavium.com>
15376
15377         * doc/invoke.texi (-fopt-info): Explicitly say order of options
15378         included in -fopt-info does not matter.
15379         * doc/optinfo.texi (-fopt-info): Fix description of default
15380         behavour. Explicitly say order of options included in -fopt-info
15381         does not matter.
15382
15383 2017-05-05  Thomas Preud'homme  <thomas.preudhomme@arm.com>
15384
15385         * config.gcc: Allow combinations of aprofile and rmprofile values for
15386         --with-multilib-list.
15387         * config/arm/t-multilib: New file.
15388         * config/arm/t-aprofile: Remove initialization of MULTILIB_*
15389         variables.  Remove setting of ISA and floating-point ABI in
15390         MULTILIB_OPTIONS and MULTILIB_DIRNAMES.  Set architecture and FPU in
15391         MULTI_ARCH_OPTS_A and MULTI_ARCH_DIRS_A rather than MULTILIB_OPTIONS
15392         and MULTILIB_DIRNAMES respectively.  Add comment to introduce all
15393         matches.  Add architecture matches for marvel-pj4 and generic-armv7-a
15394         CPU options.
15395         * config/arm/t-rmprofile: Likewise except for the matches changes.
15396         * doc/install.texi (--with-multilib-list): Document the combination of
15397         aprofile and rmprofile values and warn about pitfalls in doing that.
15398
15399 2017-05-05  Wilco Dijkstra  <wdijkstr@arm.com>
15400
15401         * config/aarch64/aarch64.md (movsi_aarch64): Remove '*' from r=w.
15402         (movdi_aarch64): Likewise.
15403
15404 2017-05-05  Jakub Jelinek  <jakub@redhat.com>
15405
15406         PR tree-optimization/80632
15407         * tree-switch-conversion.c (struct switch_conv_info): Add target_vop
15408         field.
15409         (build_arrays): Initialize it for virtual phis.
15410         (fix_phi_nodes): Use it for virtual phis.
15411
15412         PR tree-optimization/80558
15413         * tree-vrp.c (extract_range_from_binary_expr_1): Optimize
15414         [x, y] op z into [x op, y op z] for op & or | if conditions
15415         are met.
15416
15417 2017-05-05  Andre Vieira  <andre.simoesdiasvieira@arm.com>
15418             Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
15419
15420         PR target/71607
15421         * config/arm/arm.md (use_literal_pool): Remove.
15422         (64-bit immediate split): No longer takes cost into consideration
15423         if arm_disable_literal_pool is enabled.
15424         * config/arm/arm.c (arm_tls_referenced_p): Add diagnostic if TLS is
15425         used when arm_disable_literal_pool is enabled.
15426         (arm_max_const_double_inline_cost): Remove use of
15427         arm_disable_literal_pool.
15428         (push_minipool_fix): Add assert.
15429         (arm_reorg): Add return if arm_disable_literal_pool is enabled.
15430         * config/arm/vfp.md (no_literal_pool_df_immediate): New.
15431         (no_literal_pool_sf_immediate): New.
15432
15433 2017-05-05  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
15434
15435         PR tree-optimization/80613
15436         * tree-ssa-dce.c (propagate_necessity): Remove cases for
15437         BUILT_IN_STRDUP and BUILT_IN_STRNDUP.
15438
15439 2017-05-05  Richard Biener  <rguenther@suse.de>
15440
15441         * tree-ssa-pre.c (get_or_alloc_expr_for): Simplify.
15442
15443 2017-05-05  Georg-Johann Lay  <avr@gjlay.de>
15444
15445         * config/avr/avr.md [flag_strict_overflow]: Remove any occurence
15446         of this flag from insn conditions due to removal from r247495.
15447
15448 2017-05-05  Wilco Dijkstra  <wdijkstr@arm.com>
15449
15450         * config/arm/aarch-common.c (arm_early_load_addr_dep_ptr):
15451         New function.
15452         (arm_early_store_addr_dep_ptr): Likewise.
15453         * config/arm/aarch-common-protos.h
15454         (arm_early_load_addr_dep_ptr): Add prototype.
15455         (arm_early_store_addr_dep_ptr): Likewise.
15456         * config/arm/cortex-a53.md: Add new bypasses.
15457
15458 2017-05-05  Jakub Jelinek  <jakub@redhat.com>
15459
15460         * tree.c (next_type_uid): Change type to unsigned.
15461         (type_hash_canon): Decrement back next_type_uid if
15462         freeing a type node with the highest TYPE_UID.  For INTEGER_TYPEs
15463         also ggc_free TYPE_MIN_VALUE, TYPE_MAX_VALUE and TYPE_CACHED_VALUES
15464         if possible.
15465
15466 2017-05-04  Martin Sebor  <msebor@redhat.com>
15467
15468         * builtins.c: Fix a trivial typo in a comment.
15469
15470         PR middle-end/79234
15471         * builtins.c (check_sizes): Adjust to handle reading past the end.
15472         Avoid printing excessive upper bound of ranges.  Use %E to print
15473         tree nodes instead of converting them to %wu.
15474         (expand_builtin_memchr): New function.
15475         (compute_dest_size): Rename...
15476         (compute_objsize): ...to this.
15477         (expand_builtin_memcpy): Adjust.
15478         (expand_builtin_mempcpy): Adjust.
15479         (expand_builtin_strcat): Adjust.
15480         (expand_builtin_strcpy): Adjust.
15481         (check_strncat_sizes): Adjust.
15482         (expand_builtin_strncat): Adjust.
15483         (expand_builtin_strncpy): Adjust and simplify.
15484         (expand_builtin_memset): Adjust.
15485         (expand_builtin_bzero): Adjust.
15486         (expand_builtin_memcmp): Adjust.
15487         (expand_builtin): Handle memcmp.
15488         (maybe_emit_chk_warning): Check strncat just once.
15489
15490 2017-05-04  Martin Sebor  <msebor@redhat.com>
15491
15492         PR preprocessor/79214
15493         PR middle-end/79222
15494         PR middle-end/79223
15495         * builtins.c (check_sizes): Add inlining context and issue
15496         warnings even when -Wno-system-headers is set.
15497         (check_strncat_sizes): Same.
15498         (expand_builtin_strncat): Same.
15499         (expand_builtin_memmove): New function.
15500         (expand_builtin_stpncpy): Same.
15501         (expand_builtin): Handle memmove and stpncpy.
15502
15503 2017-05-04  Bin Cheng  <bin.cheng@arm.com>
15504
15505         * tree-ssa-loop-ivopts.c (struct cost_pair): Remove field inv_expr
15506         which is not used any more.
15507
15508 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
15509
15510         * config/aarch64/aarch64.c (generic_tunings): Update prefetch model.
15511
15512 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
15513
15514         * config/aarch64/aarch64.c (cortexa35_tunings): Set jump alignment to 4.
15515         (cortexa53_tunings): Likewise.
15516         (cortexa57_tunings): Likewise.
15517         (cortexa72_tunings): Likewise.
15518         (cortexa73_tunings): Likewise.
15519
15520 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
15521
15522         * config/aarch64/aarch64.c (generic_tunings): Set jump alignment to 4.
15523         Set loop alignment to 8.
15524
15525 2017-05-04  Martin Sebor  <msebor@redhat.com>
15526
15527         PR translation/80280
15528         * builtins.c (expand_builtin_object_size): Add missing quoting to
15529         %D and like directives.
15530         * hsa-gen.c (hsa_type_for_scalar_tree_type): Same.
15531         (hsa_type_for_tree_type): Same.
15532         (verify_function_arguments): Same.
15533         * symtab.c (symbol_table::change_decl_assembler_name): Same.
15534         * varasm.c (get_section): Same.
15535         (mark_weak): Same.
15536
15537 2017-05-04  Martin Sebor  <msebor@redhat.com>
15538
15539         PR translation/80280
15540         * config/i386/i386.c (ix86_function_versions): Quote a %D directive.
15541
15542 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
15543
15544         * config/aarch64/aarch64.c (generic_addrcost_table):
15545         Change HI/TI mode setting.
15546
15547 2017-05-04  Martin Jambor  <mjambor@suse.cz>
15548
15549         PR tree-optimization/80622
15550         * tree-sra.c (comes_initialized_p): New function.
15551         (build_accesses_from_assign): Only set write lazily when
15552         comes_initialized_p is false.
15553         (analyze_access_subtree): Use comes_initialized_p.
15554         (propagate_subaccesses_across_link): Assert !comes_initialized_p
15555         instead of testing for PARM_DECL.
15556
15557 2017-05-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
15558
15559         * config/aarch64/aarch64.md (prefetch); Adjust predicate and
15560         constraint on operand 0 to allow more general addressing modes.
15561         Adjust output template.
15562         * config/aarch64/aarch64.c (aarch64_address_valid_for_prefetch_p):
15563         New function.
15564         * config/aarch64/aarch64-protos.h
15565         (aarch64_address_valid_for_prefetch_p): Declare prototype.
15566         * config/aarch64/constraints.md (Dp): New address constraint.
15567         * config/aarch64/predicates.md (aarch64_prefetch_operand): New
15568         predicate.
15569
15570 2017-05-04  Jan Hubicka  <hubicka@ucw.cz>
15571
15572         * ipa-cp.c (perform_estimation_of_a_value): Drop base_time parameter;
15573         update use of estimate_ipcp_clone_size_and_time.
15574         (estimate_local_effects): Update use of
15575         estimate_ipcp_clone_size_and_time and perform_estimation_of_a_value.
15576         * ipa-inline.h (estimate_ipcp_clone_size_and_time): Update prototype.
15577         * ipa-inline-analysis.c (estimate_ipcp_clone_size_and_time):
15578         Return nonspecialized time.
15579
15580 2017-05-04  Richard Biener  <rguenther@suse.de>
15581
15582         * tree-ssa-alias.c (get_continuation_for_phi): Improve looking
15583         for the last VUSE which def dominates the PHI.  Directly call
15584         maybe_skip_until.
15585         (get_continuation_for_phi_1): Remove.
15586
15587 2017-05-04  Richard Sandiford  <richard.sandiford@linaro.org>
15588
15589         * tree-ssa-loop-manip.c (niter_for_unrolled_loop): Add commentary
15590         to explain the use of truncating division.  Cap the number of
15591         iterations to the maximum given by nb_iterations_upper_bound,
15592         if defined.
15593
15594 2017-05-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
15595
15596         * configure.ac (--enable-mingw-wildcard): Add new configurable feature.
15597         * configure: Regenerate.
15598         * config.in: Regenerate.
15599         * config/i386/driver-mingw32.c: new file.
15600         * config/i386/x-mingw32: Add rule to build driver-mingw32.o.
15601         * config.host: Link driver-mingw32.o on MinGW host.
15602         * doc/install.texi: Document new --enable-mingw-wildcard configure
15603         option.
15604
15605 2017-05-04  Marek Polacek  <polacek@redhat.com>
15606
15607         PR tree-optimization/80612
15608         * calls.c (get_size_range): Check for INTEGRAL_TYPE_P.
15609
15610 2017-05-04  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
15611             Andre Simoes Dias Vieira  <andre.simoesdiasvieira@arm.com>
15612
15613         * config/arm/arm.md (movsi): Change TARGET_32BIT to TARGET_HAVE_MOVT.
15614         (movt splitter): Likewise.
15615         * config/arm/arm.c (arm_option_check_internal): Change arm_arch_thumb2
15616         to TARGET_HAVE_MOVT, and merge with -mslow-flash-data check.
15617         (const_ok_for_arm): Change else to else if (TARGET_THUMB2) and add else
15618         block for Thumb-1 with MOVT.
15619         (thumb2_legitimate_address_p): Move code block ...
15620         (can_avoid_literal_pool_for_label_p): ... into this new function.
15621         (thumb1_legitimate_address_p): Add check for TARGET_HAVE_MOVT and
15622         literal pool.
15623         (thumb_legitimate_constant_p): Add conditional on TARGET_HAVE_MOVT
15624         * doc/invoke.texi (-mpure-code): Change "ARMv7-M targets" for
15625         "M-profile targets with the MOVT instruction".
15626
15627 2017-05-04  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
15628
15629         * config/arm/arm-builtins.c (arm_init_builtins): Rename
15630         __builtin_arm_ldfscr to __builtin_arm_get_fpscr, and rename
15631         __builtin_arm_stfscr to __builtin_arm_set_fpscr.
15632
15633 2017-05-04  Martin Liska  <mliska@suse.cz>
15634
15635         * tree-vrp.c (simplify_cond_using_ranges_2): Remove unused
15636         variable cond_code.
15637
15638 2017-05-04  Richard Biener  <rguenther@suse.de>
15639
15640         * tree.c (array_at_struct_end_p): Handle arrays at struct
15641         end with flexarrays more conservatively.  Refactor and treat
15642         arrays of arrays or aggregates more strict.  Fix
15643         VIEW_CONVERT_EXPR handling.  Remove allow_compref argument.
15644         * tree.c (array_at_struct_end_p): Adjust prototype.
15645         * emit-rtl.c (set_mem_attributes_minus_bitpos): Adjust.
15646         * gimple-fold.c (get_range_strlen): Likewise.
15647         * tree-chkp.c (chkp_may_narrow_to_field): Likewise.
15648
15649 2017-05-04  Richard Biener  <rguenther@suse.de>
15650
15651         PR tree-optimization/31130
15652         * tree-vrp.c (needs_overflow_infinity): Remove as always returning
15653         false.
15654         (supports_overflow_infinity): Likewise.
15655         (is_negative_overflow_infinity): Likewise.
15656         (is_positive_overflow_infinity): Likewise.
15657         (is_overflow_infinity): Likewise.
15658         (stmt_overflow_infinity): Likewise.
15659         (overflow_infinity_range_p): Likewise.
15660         (usable_range_p): Remove as always returning true.
15661         (make_overflow_infinity): Remove.
15662         (negative_overflow_infinity): Likewise.
15663         (positive_overflow_infinity): Likewise.
15664         (avoid_overflow_infinity): Likewise.
15665         (set_value_range): Adjust accordingly.
15666         (set_value_range_to_nonnegative): Likewise, remove now unused
15667         overflow_infinity arg.
15668         (vrp_operand_equal_p): Adjust.
15669         (update_value_range): Likewise.
15670         (range_int_cst_singleton_p): Likewise.
15671         (operand_less_p): Likewise.
15672         (compare_values_warnv): Likewise.
15673         (extract_range_for_var_from_comparison_expr): Likewise.
15674         (vrp_int_const_binop): Likewise.
15675         (zero_nonzero_bits_from_vr): Likewise.
15676         (extract_range_from_multiplicative_op_1): Likewise.
15677         (extract_range_from_binary_expr_1): Likewise.
15678         (extract_range_from_unary_expr): Likewise.
15679         (extract_range_from_comparison): Likewise.
15680         (extract_range_basic): Likewise.
15681         (adjust_range_with_scev): Likewise.
15682         (compare_ranges): Likewise.
15683         (compare_range_with_value): Likewise.
15684         (dump_value_range): Likewise.
15685         (test_for_singularity): Likewise, remove strict_overflow_p parameter
15686         never used.
15687         (simplify_cond_using_ranges): Adjust.
15688
15689 2017-05-04  Pekka Jääskeläinen  <pekka.jaaskelainen@parmance.com>
15690
15691         * brig-builtins.def: Added a builtin for class_f64.
15692         * builtin-types.def: Added a builtin type needed by class_f64.
15693
15694 2017-05-03  Jason Merrill  <jason@redhat.com>
15695
15696         * timevar.def: Add TV_CONSTEXPR.
15697
15698 2017-05-03  David Malcolm  <dmalcolm@redhat.com>
15699
15700         * common.opt (fdiagnostics-parseable-fixits): Fix typo.
15701
15702 2017-05-03  Martin Jambor  <mjambor@suse.cz>
15703
15704         * ipa-prop.c (ipa_update_after_lto_read): Removed.
15705         * ipa-prop.h (ipa_update_after_lto_read): Remove declaration.
15706         * ipa-cp.c (ipcp_propagate_stage): Do not call
15707         ipa_update_after_lto_read.
15708         * ipa-inline.c (ipa_inline): Likewise.
15709
15710 2017-05-03  Martin Jambor  <mjambor@suse.cz>
15711
15712         * ipa-prop.h (ipa_edge_args): Make a class.  Mark with for_user GTY
15713         tag.  Added a default constructor and a destructor.
15714         (ipa_edge_args_sum_t): New class;
15715         (ipa_edge_args_sum): Declare.
15716         (ipa_edge_args_vector): Remove declaration.
15717         (IPA_EDGE_REF): Use ipa_edge_args_sum.
15718         (ipa_free_edge_args_substructures): Remove declaration.
15719         (ipa_check_create_edge_args): Use ipa_edge_args_sum.
15720         (ipa_edge_args_info_available_for_edge_p): Likewise.
15721         * ipa-prop.c (ipa_edge_args_vector): Removed.
15722         (edge_removal_hook_holder): Likewise.
15723         (edge_duplication_hook_holder): Likewise.
15724         (ipa_edge_args_sum): New variable.
15725         (ipa_propagate_indirect_call_infos): Test ipa_edge_args_sum instead of
15726         ipa_edge_args_vector.
15727         (ipa_free_edge_args_substructures): Likewise.
15728         (ipa_free_all_edge_args): Free ipa_edge_args_sum instead of
15729         ipa_edge_args_vector.
15730         (ipa_edge_removal_hook): Turned into method
15731         ipa_edge_args_sum_t::remove.
15732         (ipa_edge_duplication_hook): Turned into method
15733         ipa_edge_args_sum_t::duplicate.
15734         (ipa_register_cgraph_hooks): Create ipa_edge_args_sum instead of
15735         registering edge hooks.
15736         (ipa_unregister_cgraph_hooks): Do not unregister edge hooks.
15737         * ipa-inline-analysis.c (estimate_function_body_sizes): Test
15738         ipa_edge_args_sum instead of ipa_edge_args_vector.
15739         * ipa-profile.c (ipa_profile): Likewise.
15740
15741 2017-05-03  Martin Jambor  <mjambor@suse.cz>
15742
15743         * symbol-summary.h (function_summary): New method exists.
15744         (function_summary::symtab_removal): Deallocate through release.
15745         (call_summary): New class.
15746         (gt_ggc_mx): New overload.
15747         (gt_pch_nx): Likewise.
15748         (gt_pch_nx): Likewise.
15749
15750 2017-05-03  Jeff Law  <law@redhat.com>
15751
15752         PR tree-optimization/78496
15753         * tree-vrp.c (simplify_cond_using_ranges_1): Renamed
15754         from simplify_cond_using_ranges.  Split off code to walk
15755         backwards through casts into ...
15756         (simplify_cond_using_ranges_2): New function.
15757         (simplify_stmt_using_ranges): Call simplify_cond_using_ranges_1.
15758         (execute_vrp): After identifying jump threads, call
15759         simplify_cond_using_ranges_2.
15760
15761 2017-05-03  Jan Hubicka  <hubicka@ucw.cz>
15762
15763         PR bootstrap/80609
15764         * ipa-inline.h (inline_summary): Add ctor.
15765         (create_ggc): Do not use ggc_cleared_alloc.
15766
15767 2017-05-03  Jeff Downs  <heydowns@somuchpressure.net>
15768             Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
15769
15770         * gcc.c (handle_braces): Support escaping in switch matching
15771         text.
15772         * doc/invoke.texi (Spec Files): Document it.
15773         Remove superfluous @code markup in items.
15774
15775 2017-05-03  David Malcolm  <dmalcolm@redhat.com>
15776
15777         * diagnostic-show-locus.c (struct column_range): New struct.
15778         (get_affected_columns): New function.
15779         (get_printed_columns): New function.
15780         (struct correction): New struct.
15781         (correction::ensure_capacity): New function.
15782         (correction::ensure_terminated): New function.
15783         (struct line_corrections): New struct.
15784         (line_corrections::~line_corrections): New dtor.
15785         (line_corrections::add_hint): New function.
15786         (layout::print_trailing_fixits): Reimplement in terms of the new
15787         classes.
15788         (selftest::test_overlapped_fixit_printing): New function.
15789         (selftest::diagnostic_show_locus_c_tests): Call it.
15790
15791 2017-05-03  Nathan Sidwell  <nathan@acm.org>
15792
15793         Canonicalize canonical type hashing
15794         * tree.h (type_hash_canon_hash): Declare.
15795         * tree.c (type_hash_list, attribute_hash_list): Move into
15796         type_hash_canon_hash.
15797         (build_type_attribute_qual_variant): Break out hash code calc into
15798         type_hash_canon_hash.
15799         (type_hash_canon_hash): New.  Generic type hash computation.
15800         (build_range_type_1, build_array_type_1, build_function_type,
15801         build_method_type_directly, build_offset_type, build_complex_type,
15802         make_vector_type): Call it.
15803
15804 2017-05-03  Richard Biener  <rguenther@suse.de>
15805
15806         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
15807         When all DRs have unknown misaligned do not always peel
15808         when there is a store but apply the same costing model as if
15809         there were only loads.
15810
15811 2017-05-03  Richard Biener  <rguenther@suse.de>
15812
15813         Revert
15814         PR tree-optimization/80492
15815         * tree-ssa-alias.c (decl_refs_may_alias_p): Handle
15816         compare_base_decls returning dont-know properly.
15817
15818 2017-05-03  Thomas Preud'homme  <thomas.preudhomme@arm.com>
15819
15820         * config/arm/iterators.md (CCSI): New mode iterator.
15821         (arch): New mode attribute.
15822         * config/arm/sync.md (atomic_compare_and_swap<mode>_1): Rename into ...
15823         (atomic_compare_and_swap<CCSI:arch><NARROW:mode>_1): This and ...
15824         (atomic_compare_and_swap<CCSI:arch><SIDI:mode>_1): This.  Use CCSI
15825         code iterator for success result mode.
15826         * config/arm/arm.c (arm_expand_compare_and_swap): Adapt code to use
15827         the corresponding new insn generators.
15828
15829 2017-05-03  Bin Cheng  <bin.cheng@arm.com>
15830
15831         Revert r247509
15832         2017-05-02  Bin Cheng  <bin.cheng@arm.com>
15833         * rtlanal.c (rtx_cost): Handle TRUNCATE between tieable modes.
15834
15835 2017-05-03  Richard Sandiford  <richard.sandiford@linaro.org>
15836
15837         * tree-data-ref.h (SUB_CONFLICTS_IN_A): Wrap SUB argument in brackets.
15838         (SUB_CONFLICTS_IN_B, SUB_LAST_CONFLICT, SUB_DISTANCE): Likewise.
15839         (DDR_A): Wrap DDR argument in brackets.
15840         (DDR_B, DDR_AFFINE_P, DDR_ARE_DEPENDENT, DDR_SUBSCRIPTS): Likewise.
15841         (DDR_LOOP_NEST, DDR_INNER_LOOP, DDR_SELF_REFERENCE): Likewise.
15842         (DDR_REVERSED_P): Likewise.
15843
15844 2017-05-03  Jakub Jelinek  <jakub@redhat.com>
15845
15846         PR tree-optimization/79472
15847         * tree-switch-conversion.c (struct switch_conv_info): Add
15848         contiguous_range and default_case_nonstandard fields.
15849         (collect_switch_conv_info): Compute contiguous_range and
15850         default_case_nonstandard fields, don't clear final_bb if
15851         contiguous_range and only the default case doesn't have the required
15852         structure.
15853         (check_all_empty_except_final): Set default_case_nonstandard instead
15854         of failing if contiguous_range and the default case doesn't have empty
15855         block.
15856         (check_final_bb): Add SWTCH argument, don't fail if contiguous_range
15857         and only the default case doesn't have the required constants.  Skip
15858         virtual phis.
15859         (gather_default_values): Skip virtual phis.  Allow non-NULL CASE_LOW
15860         if default_case_nonstandard.
15861         (build_constructors): Build constant 1 just once.  Assert that default
15862         values aren't inserted in between cases if contiguous_range.  Skip
15863         virtual phis.
15864         (build_arrays): Skip virtual phis.
15865         (prune_bbs): Add DEFAULT_BB argument, don't remove that bb.
15866         (fix_phi_nodes): Don't add e2f phi arg if default_case_nonstandard.
15867         Handle virtual phis.
15868         (gen_inbound_check): Handle default_case_nonstandard case.
15869         (process_switch): Adjust check_final_bb caller.  Call
15870         gather_default_values with the first non-default case instead of
15871         default case if default_case_nonstandard.
15872
15873 2017-05-02  Nathan Sidwell  <nathan@acm.org>
15874
15875         * ggc-page.c (move_ptes_to_front): Replace unsigned >0 with i--
15876         check.  Fix formatting.
15877
15878 2017-05-02  Jan Hubicka  <hubicka@ucw.cz>
15879
15880         * ipa-inline-analysis.c (estimate_node_size_and_time): Allow roundoff
15881         errors when comparing specialized and unspecialized times.
15882
15883 2017-05-02  David Malcolm  <dmalcolm@redhat.com>
15884
15885         * diagnostic-show-locus.c
15886         (layout::should_print_annotation_line_p): Make private.
15887         (layout::print_annotation_line): Make private.
15888         (layout::annotation_line_showed_range_p): Make private.
15889         (layout::show_ruler): Make private.
15890         (layout::print_source_line): Make private.  Pass in line and
15891         line_width, rather than calling location_get_source_line.  Drop
15892         returned value.
15893         (layout::print_leading_fixits): New method.
15894         (layout::print_any_fixits): Rename to...
15895         (layout::print_trailing_fixits): ...this, and make private.
15896         Don't print newline fixits.
15897         (diagnostic_show_locus): Move logic for printing one row into...
15898         (layout::print_line): ...this new function.  Move the
15899         location_get_source_line call and error-handling from
15900         print_source_line to here.  Call print_leading_fixits, and rename
15901         print_any_fixits to print_trailing_fixits.
15902         (selftest::test_fixit_insert_containing_newline): Update now that
15903         newlines are partially supported.
15904         (selftest::test_fixit_insert_containing_newline_2): New test.
15905         (selftest::test_fixit_replace_containing_newline): Update comments.
15906         (selftest::diagnostic_show_locus_c_tests): Call the new test.
15907         * edit-context.c (class added_line): New class.
15908         (class edited_line): Describe newline handling in comment.
15909         (edited_line::actually_edited_p): New method.
15910         (edited_line::print_content): Delete redundant decl.
15911         (edited_line::m_predecessors): New field.
15912         (edited_file::print_content): Call edited_line::print_content.
15913         (edited_file::print_diff): Update to support newlines.
15914         (edited_file::print_diff_hunk): Likewise.
15915         (edited_file::print_run_of_changed_lines): New function.
15916         (edited_file::print_diff_line): Convert to...
15917         (print_diff_line): ...this.
15918         (edited_file::get_effective_line_count): New function.
15919         (edited_line::edited_line): Initialize new field m_predecessors.
15920         (edited_line::~edited_line): Clean up m_predecessors.
15921         (edited_line::apply_fixit): Handle newlines.
15922         (edited_line::get_effective_line_count): New function.
15923         (edited_line::print_content): New function.
15924         (edited_line::print_diff_lines): New function.
15925         (selftest::test_applying_fixits_insert_containing_newline): New
15926         test.
15927         (selftest::test_applying_fixits_replace_containing_newline): New
15928         test.
15929         (selftest::insert_line): New function.
15930         (selftest::test_applying_fixits_multiple_lines): Add example of
15931         inserting a line.
15932         (selftest::edit_context_c_tests): Call the new tests.
15933
15934 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
15935
15936         * tree-ssa-loop-ivopts.c (get_scaled_computation_cost_at): Delete
15937         parameter cand.  Update dump information.
15938         (get_computation_cost): Update uses.
15939
15940 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
15941
15942         * tree-ssa-loop-ivopts.c (get_computation_aff_1): New.
15943         (get_computation_aff): Reorder parameters.  Use get_computation_aff_1.
15944         (get_computation_at, rewrite_use_address): Update use of
15945         get_computation_aff.
15946
15947 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
15948
15949         * tree-ssa-loop-ivopts.c (get_computation_at): Reorder parameters.
15950         (get_computation): Delete.
15951         (get_computation_cost): Implement like get_computation_cost_at.
15952         Use get_computation_at.
15953         (get_computation_cost_at): Delete.
15954         (rewrite_use_nonlinear_expr): Use get_computation_at.
15955         (rewrite_use_compare, remove_unused_ivs): Ditto.
15956
15957 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
15958
15959         * tree-ssa-loop-ivopts.c (rewrite_use_address): Simple refactor.
15960
15961 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
15962
15963         * tree-ssa-loop-ivopts.c (struct iv_ca): Rename n_regs to n_invs.
15964         (ivopts_global_cost_for_size): Rename parameter and update uses.
15965         (iv_ca_recount_cost): Update uses.
15966         (iv_ca_set_remove_invs, iv_ca_set_no_cp): Record invariants and
15967         candidates seperately in n_invs and n_cands.
15968         (iv_ca_set_add_invs, iv_ca_set_cp, iv_ca_new): Ditto.
15969
15970 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
15971
15972         * tree-ssa-loop-ivopts.c (struct walk_tree_data): New.
15973         (find_inv_vars_cb): New.
15974         (find_depends): Renamed to ...
15975         (find_inv_vars): ... this.
15976         (add_candidate_1, force_var_cost): Call find_inv_vars.
15977         (split_address_cost, determine_group_iv_cost_cond): Ditto.
15978
15979 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
15980
15981         * tree-ssa-loop-ivopts.c (struct cost_pair): Rename depends_on to
15982         inv_vars.  Add inv_exprs.
15983         (struct iv_cand): Rename depends_on to inv_vars.
15984         (struct ivopts_data): Rename max_inv_id/n_invariant_uses to
15985         max_inv_var_id/n_inv_var_uses.  Move max_inv_expr_id around.
15986         Refactor field used_inv_exprs from has_map to array n_inv_expr_uses.
15987         (dump_cand): Dump inv_vars.
15988         (tree_ssa_iv_optimize_init): Support inv_vars and inv_exprs.
15989         (record_invariant, find_depends, add_candidate_1): Ditto.
15990         (set_group_iv_cost, force_var_cost): Ditto.
15991         (split_address_cost, ptr_difference_cost, difference_cost): Ditto.
15992         (get_computation_cost_at, get_computation_cost): Ditto.
15993         (determine_group_iv_cost_generic): Ditto.
15994         (determine_group_iv_cost_address): Ditto.
15995         (determine_group_iv_cost_cond, autoinc_possible_for_pair): Ditto.
15996         (determine_group_iv_costs): Ditto.
15997         (iv_ca_recount_cost): Update call to ivopts_global_cost_for_size.
15998         (iv_ca_set_remove_invariants): Renamed to ...
15999         (iv_ca_set_remove_invs): ... this.  Support inv_vars and inv_exprs.
16000         (iv_ca_set_no_cp): Use iv_ca_set_remove_invs.
16001         (iv_ca_set_add_invariants):  Renamed to ...
16002         (iv_ca_set_add_invs): ... this.  Support inv_vars and inv_exprs.
16003         (iv_ca_set_cp): Use iv_ca_set_add_invs.
16004         (iv_ca_has_deps): Support inv_vars and inv_exprs.
16005         (iv_ca_new, iv_ca_free, iv_ca_dump, free_loop_data): Ditto.
16006         (create_new_ivs): Remove useless dump.
16007
16008 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
16009
16010         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Remove pseudo
16011         iv_cand code.
16012         (determine_group_iv_cost_cond, determine_iv_cost): Ditto.
16013         (iv_ca_set_no_cp, create_new_iv): Ditto.
16014
16015 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
16016
16017         * rtlanal.c (rtx_cost): Handle TRUNCATE between tieable modes.
16018
16019 2017-05-02  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>
16020
16021         * tree.h (EXPR_CILK_SPAWN): Use macro TREE_CHECK2 instead of
16022         function tree_check2.
16023
16024 2017-05-02  Martin Liska  <mliska@suse.cz>
16025
16026         * doc/gcov.texi: Add missing preposition.
16027         * gcov.c (function_info::function_info): Properly fill up
16028         all member variables.
16029
16030 2017-05-02  Tamar Christina  <tamar.christina@arm.com>
16031
16032         * expr.c (expand_expr_real_2): Re-cost if previous costs are the same.
16033
16034 2017-05-02  Tamar Christina  <tamar.christina@arm.com>
16035
16036         * simplify-rtx.c (simplify_binary_operation_1): Add LSHIFTRT case.
16037
16038 2017-05-02  Martin Liska  <mliska@suse.cz>
16039
16040         PR lto/77954.
16041         * lto-streamer-in.c (lto_read_tree_1): Remove
16042         LTO_STREAMER_DEBUG.
16043         * lto-streamer.c (struct tree_hash_entry): Likewise.
16044         (struct tree_entry_hasher): Likewise.
16045         (tree_entry_hasher::hash): Likewise.
16046         (tree_entry_hasher::equal): Likewise.
16047         (lto_streamer_init): Likewise.
16048         (lto_orig_address_map): Likewise.
16049         (lto_orig_address_get): Likewise.
16050         (lto_orig_address_remove): Likewise.
16051         * lto-streamer.h: Likewise.
16052         * tree-streamer-in.c (streamer_alloc_tree): Likewise.
16053         * tree-streamer-out.c (streamer_write_tree_header): Likewise.
16054
16055 2017-05-02  Sebastian Peryt  <sebastian.peryt@intel.com>
16056
16057         * config/i386/avx512fintrin.h (_mm_mask_add_round_sd)
16058         (_mm_maskz_add_round_sd, _mm_mask_add_round_ss)
16059         (mm_maskz_add_round_ss, _mm_mask_sub_round_sd)
16060         (mm_maskz_sub_round_sd, _mm_mask_sub_round_ss)
16061         (mm_maskz_sub_round_ss, _mm_mask_add_sd)
16062         (mm_maskz_add_sd, _mm_mask_add_ss, _mm_maskz_add_ss)
16063         (mm_mask_sub_sd, _mm_maskz_sub_sd, _mm_mask_sub_ss)
16064         (mm_maskz_sub_ss): New intrinsics.
16065         * config/i386/i386-builtin-types.def (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
16066         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): New function type aliases.
16067         * config/i386/i386-builtin.def (__builtin_ia32_addsd_mask_round)
16068         (__builtin_ia32_addss_mask_round, __builtin_ia32_subsd_mask_round)
16069         (__builtin_ia32_subss_mask_round): New builtins.
16070         * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
16071         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): Handle new types.
16072         * config/i386/sse.md (<sse>_vm<plusminus_insn><mode>3<round_name>):
16073         Renamed to ...
16074         (<sse>_vm<plusminus_insn><mode>3<mask_name><round_name>): ... this.
16075         (v<plusminus_mnemonic><ssescalarmodesuffix>\t{<round_op3>%2, %1, %0|%0, %1, %<iptr>2<round_op3>}):
16076         Changed to ...
16077         (v<plusminus_mnemonic><ssescalarmodesuffix>\t{<round_mask_op3>%2, %1, %0<mask_operand3>|%0<mask_operand3>, %1, %<iptr>2<round_mask_op3>}):
16078         ... this.
16079
16080 2017-05-02  Martin Jambor  <mjambor@suse.cz>
16081
16082         PR tree-optimization/78687
16083         * tree-sra.c (access): New field parent.
16084         (process_subtree_disqualification): New function.
16085         (disqualify_candidate): Call it.
16086         (build_accesses_from_assign): Reset write flag if creating an
16087         assighnment link.
16088         (build_access_subtree): Fill in parent field and also prpagate
16089         down grp_write flag.
16090         (create_artificial_child_access): New parameter set_grp_write, set
16091         grp_write to its value.
16092         (propagate_subaccesses_across_link): Also propagate grp_write flag
16093         values.
16094         (propagate_all_subaccesses): Push the closest parent back to work
16095         queue if add_access_to_work_queue returned true.
16096
16097 2017-05-02  Richard Biener  <rguenther@suse.de>
16098
16099         * common.opt (fstrict-overflow): Alias negative to fwrapv.
16100         * doc/invoke.texi (fstrict-overflow): Remove all traces of
16101         -fstrict-overflow documentation.
16102         * tree.h (TYPE_OVERFLOW_UNDEFINED): Do not test flag_strict_overflow.
16103         (POINTER_TYPE_OVERFLOW_UNDEFINED): Test !flag_wrapv instead of
16104         flag_strict_overflow.
16105         * ipa-inline.c (can_inline_edge_p): Do not test flag_strict_overflow.
16106         * lto-opts.c (lto_write_options): Do not stream it.
16107         * lto-wrapper.c (merge_and_complain): Do not handle it.
16108         * opts.c (default_options_table): Do not set -fstrict-overflow.
16109         (finish_options): Likewise do not clear it when sanitizing.
16110         * simplify-rtx.c (simplify_const_relational_operation): Do not
16111         test flag_strict_overflow.
16112
16113 2017-05-02  Uros Bizjak  <ubizjak@gmail.com>
16114
16115         * config/alpha/alpha.md (*add<mode>3_ieee): Merge to add<mode>3
16116         using enabled attribute.
16117         (*sub<mode>3_ieee): Merge to sub<mode>3 using enabled attribute.
16118         (*mul<mode>3_ieee): Merge to mul<mode>3 using enabled attribute.
16119         (*div<mode>3_ieee): Merge to div<mode>3 using enabled attribute.
16120         (*sqrt<mode>2_ieee): Merge to sqrt<mode>2 using enabled attribute.
16121         (*fix_truncdfdi_ieee): Merge to *fix_truncdfdi2 using enabled attribute.
16122         (*fix_truncsfdi_ieee): Merge to *fix_truncsfdi2 using enabled attribute.
16123         (*floatdisf_ieee): Merge to floatdisf2 using enabled attribute.
16124         (*floatdidf_ieee): Merge to floatdidf2 using enabled attribute.
16125         (*truncdfsf2_ieee): Merge to truncdfsf2 using enabled attribute.
16126         (*cmpdf_ieee): Merge to *cmpdf_internal using enabled attribute.
16127
16128 2017-05-02  Uros Bizjak  <ubizjak@gmail.com>
16129
16130         * config/i386/i386.c (ix86_code_end): Use {FIRST,LAST}_INT_REG.
16131
16132 2017-05-02  Richard Biener  <rguenther@suse.de>
16133
16134         PR tree-optimization/80591
16135         Revert
16136         2017-04-10  Richard Biener  <rguenther@suse.de>
16137
16138         * tree-ssa-structalias.c (find_func_aliases): Properly handle
16139         asm inputs.
16140
16141 2017-05-02  Richard Biener  <rguenther@suse.de>
16142
16143         PR tree-optimization/80549
16144         * tree-cfgcleanup.c (mfb_keep_latches): New helper.
16145         (cleanup_tree_cfg_noloop): Create forwarders to known loop
16146         headers if they do not have a preheader.
16147
16148 2017-05-02  Martin Liska  <mliska@suse.cz>
16149
16150         PR other/80589
16151         * common.opt: Fix typo.
16152         * doc/invoke.texi: Likewise.
16153
16154 2017-05-01  Jan Beulich  <jbeulich@suse.com>
16155
16156         * config/i386/sse.md (xop_vpermil2<mode>3): Do not allow operand
16157         swapping, add (x,x,m,x,n) alternative.
16158
16159 2017-05-01  Nathan Sidwell  <nathan@acm.org>
16160
16161         * calls.c (combine_pending_stack_adjustment_and_call): Remove
16162         unnecessary unadjusted_alignment check.
16163
16164 2017-05-01  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>
16165
16166         PR c++/80038
16167         * cilk_common.c (expand_builtin_cilk_detach): Move pedigree
16168         operations here.
16169         * gimplify.c (gimplify_cilk_detach): New function.
16170         (gimplify_call_expr, gimplify_modify_expr): Call it as needed.
16171         * tree-core.h: Document EXPR_CILK_SPAWN.
16172         * tree.h (EXPR_CILK_SPAWN): Define.
16173
16174 2017-05-01  David Malcolm  <dmalcolm@redhat.com>
16175
16176         * diagnostic-show-locus.c (layout::get_expanded_location): Rewrite
16177         to use new fixit_hint representation, using the "replace" logic.
16178         (get_line_span_for_fixit_hint): Likewise.
16179         (layout::print_any_fixits): Likewise.
16180         (selftest::test_one_liner_many_fixits): Rename to...
16181         (selftest::test_one_liner_many_fixits_1): ...this, and update
16182         comment and expected output to reflect that the multiple fix-it
16183         hints are now consolidated into one insertion.
16184         (selftest::test_one_liner_many_fixits_2): New test.
16185         (selftest::test_diagnostic_show_locus_one_liner): Update for
16186         above.
16187         (selftest::test_fixit_consolidation): Update for fix-it API
16188         change.
16189         * diagnostic.c (print_parseable_fixits): Likewise.
16190         * edit-context.c (edited_line::m_line_events): Convert from
16191         auto_vec <line_event *> to auto_vec <line_event>.
16192         (class line_event): Convert from abstract base class to a concrete
16193         class, taking over the role of replace_event.
16194         (class insert_event): Delete.
16195         (class replace_event): Rename to class line_event.  Convert to
16196         half-open range.
16197         (edit_context::add_fixits): Reimplement.
16198         (edit_context::apply_insert): Delete.
16199         (edit_context::apply_replace): Rename to...
16200         (edit_context::apply_fixit): ...this.  Convert to half-open range.
16201         (edited_file::apply_insert): Delete.
16202         (edited_file::apply_replace): Rename to...
16203         (edited_file::apply_fixit): ...this.
16204         (edited_line::~edited_line): Drop deletion of events.
16205         (edited_line::apply_insert): Delete.
16206         (edited_line::apply_replace): Rename to...
16207         (edited_line::apply_fixit): ...this.  Convert to half-open range.
16208         Update for change to type of m_line_events.
16209         * edit-context.h (edit_context::apply_insert): Delete.
16210         (edit_context::apply_replace): Rename to...
16211         (edit_context::apply_fixit): ...this.
16212
16213 2017-05-01  Martin Sebor  <msebor@redhat.com>
16214
16215         * gimple-ssa-sprintf.c (format_integer): Set knownrange when it's
16216         known.
16217
16218 2017-05-01  Uros Bizjak  <ubizjak@gmail.com>
16219
16220         PR target/68491
16221         * config/i386/cpuid.h (__get_cpuid): Always return 0 when
16222         __get_cpuid_max returns 0.
16223         (__get_cpuid_count): Ditto.
16224
16225 2017-05-01  Eric Botcazou  <ebotcazou@adacore.com>
16226
16227         * tree.c (substitute_in_expr) <tcc_vl_exp>: Also inline a call if the
16228         replacement expression is another instance of one of its arguments.
16229
16230 2017-05-01  Jakub Jelinek  <jakub@redhat.com>
16231
16232         PR target/79430
16233         * rtlanal.c (reg_set_p): If reg is a stack_pointer_rtx, also
16234         check for stack push/pop autoinc.
16235         * config/i386/i386.c (ix86_agi_dependent): Return false
16236         if the only reason why modified_in_p returned true is that
16237         addr is SP based and set_insn is a push or pop.
16238
16239 2017-04-29  Jan Hubicka  <hubicka@ucw.cz>
16240
16241         * ipa-inline.c (compute_inlined_call_time): Remove now unnecesary
16242         overflow check.
16243
16244 2017-04-29  Jan Hubicka  <hubicka@ucw.cz>
16245
16246         PR ipa/79224
16247         * ipa-inline-analysis.c (dump_predicate): Add optional parameter NL.
16248         (account_size_time): Use two predicates - exec_pred and
16249         nonconst_pred_ptr.
16250         (evaluate_conditions_for_known_args): Compute both clause and
16251         nonspec_clause.
16252         (evaluate_properties_for_edge): Evaulate both clause and nonspec_clause.
16253         (inline_summary_t::duplicate): Update.
16254         (estimate_function_body_sizes): Caluculate exec and nonconst predicates
16255         separately.
16256         (compute_inline_parameters): Likewise.
16257         (estimate_edge_size_and_time): Update caluclation of time.
16258         (estimate_node_size_and_time): Compute both time and nonspecialized
16259         time.
16260         (estimate_ipcp_clone_size_and_time): Update.
16261         (inline_merge_summary): Update.
16262         (do_estimate_edge_time): Update.
16263         (do_estimate_edge_size): Update.
16264         (do_estimate_edge_hints): Update.
16265         (inline_read_section, inline_write_summary): Stream both new predicates.
16266         * ipa-inline.c (compute_uninlined_call_time): Take uninlined_call_time
16267         as argument.
16268         (compute_inlined_call_time): Cleanup.
16269         (big_speedup_p): Update.
16270         (edge_badness): Update.
16271         * ipa-inline.h (INLINE_TIME_SCALE): Remove.
16272         (size_time_entry): Replace predicate by exec_predicate and
16273         nonconst_predicate.
16274         (edge_growth_cache_entry): Cache both time nad nonspecialized time.
16275         (estimate_edge_time): Return also nonspec_time.
16276         (reset_edge_growth_cache): Update.
16277
16278 2017-04-29  Jakub Jelinek  <jakub@redhat.com>
16279
16280         PR rtl-optimization/80491
16281         * ifcvt.c (noce_process_if_block): When looking for x setter
16282         with missing else_bb, don't check only the insn right before
16283         cond_earliest, but look for the last insn that x is modified in
16284         within the same bb.
16285
16286         PR rtl-optimization/80491
16287         * alias.c (memory_modified_in_insn_p): Return true for CALL_INSNs.
16288
16289 2017-04-29  Marc Glisse  <marc.glisse@inria.fr>
16290
16291         PR tree-optimization/80487
16292         * tree-ssa-alias.c (stmt_kills_ref_p): Handle stpncpy and strncpy.
16293
16294 2017-04-29  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
16295
16296         PR tree-optimization/79697
16297         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Check if callee
16298         is BUILT_IN_STRDUP, BUILT_IN_STRNDUP, BUILT_IN_REALLOC.
16299         (propagate_necessity): Check if def_callee is BUILT_IN_STRDUP or
16300         BUILT_IN_STRNDUP.
16301         * gimple-fold.c (gimple_fold_builtin_realloc): New function.
16302         (gimple_fold_builtin): Call gimple_fold_builtin_realloc.
16303
16304 2017-04-28  Martin Sebor  <msebor@redhat.com>
16305
16306         PR tree-optimization/80523
16307         * gimple-ssa-sprintf.c (target_to_host_charmap): New global variable.
16308         (init_target_to_host_charmap, target_to_host, target_strtol10): New
16309         functions.
16310         (maybe_warn, format_directive, parse_directive): Use new functions.
16311         (pass_sprintf_length::execute): Call init_target_to_host_charmap.
16312
16313 2017-04-28  Marc Glisse  <marc.glisse@inria.fr>
16314
16315         * match.pd (X+Z OP Y+Z, X-Z OP Y-Z, Z-X OP Z-Y): New transformations.
16316
16317 2017-04-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
16318
16319         * configure.ac (SYSTEM_HEADER_DIR, BUILD_SYSTEM_HEADER_DIR,
16320         target_header_dir): Set correctly.
16321         * configure: Regenerated.
16322         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
16323         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
16324         instead of SYSTEM_HEADER_DIR.
16325
16326 2017-04-28  Jan Hubicka  <hubicka@ucw.cz>
16327
16328         * ipa-cp.c (perform_estimation_of_a_value): Turn time to sreal.
16329         (estimate_local_effects): Likewise.
16330         * ipa-inline.c (compute_inlined_call_time, want_inline_small_function_p,
16331         edge_badness, inline_small_functions, dump_overall_stats): LIkewise.
16332         * ipa-inline.h (edge_growth_cache_entry, estimate_time_after_inlining,
16333         estimate_ipcp_clone_size_and_time, do_estimate_edge_time,
16334         do_estimate_edge_time, estimate_edge_time): Likewise.
16335         * ipa-inline-analysis.c (estimate_node_size_and_time,
16336         estimate_ipcp_clone_size_and_time, do_estimate_edge_time): Likewise.
16337         (estimate_time_after_inlining): Remove.
16338
16339 2017-04-28  Martin Liska  <mliska@suse.cz>
16340
16341         * doc/gcov.texi: Enhance documentation of gcov.
16342
16343 2017-04-28  Martin Liska  <mliska@suse.cz>
16344
16345         * doc/gcov.texi: Sort options in alphabetic order.
16346         * doc/gcov-dump.texi: Likewise.
16347         * doc/gcov-tool.texi: Likewise.
16348         * gcov.c (print_usage): Likewise.
16349         * gcov-dump.c (print_usage): Likewise.
16350         * gcov-tool.c (print_merge_usage_message): Likewise.
16351         (print_rewrite_usage_message): Likewise.
16352         (print_overlap_usage_message): Likewise.
16353
16354 2017-04-28  Martin Liska  <mliska@suse.cz>
16355
16356         PR gcov-profile/53915
16357         * gcov.c (format_gcov): Print 'NAN %' when top > bottom.
16358
16359 2017-04-28  Martin Liska  <mliska@suse.cz>
16360
16361         PR gcov-profile/79891
16362         * gcov.c (add_line_counts): Assign BBs to lines just if the BB
16363         is marked by compiler as living on a line.
16364         (get_cycles_count): Remove usage of the union.
16365         (output_intermediate_file): Likewise.
16366         (find_source): Fix GNU coding style.
16367         (accumulate_line_counts): Remove old non-all block mode.
16368         (output_lines): Remove usage of the union.
16369         * profile.c (output_location): Include all BBs, even if
16370         belonging to a same line (and file) as a previous BB.
16371
16372 2017-04-28  Martin Liska  <mliska@suse.cz>
16373
16374         * gcov.c (process_args): Handle new argument 'w'.
16375         (read_graph_file): Assign ID to BBs.
16376         (output_branch_count): Display BB # if verbose flag is set.
16377         (output_lines): Likewise for arcs.
16378         (print_usage): Add '--verbose' option help.
16379         * doc/gcov.texi: Document --verbose (-w) option.
16380
16381 2017-04-28  Martin Liska  <mliska@suse.cz>
16382
16383         * gcov.c (struct block_location_info): New struct.
16384         (process_file): Fill up the new structure.
16385         (read_graph_file): Replace usage of encoding by the newly added
16386         struct.
16387         (add_line_counts): Likewise.
16388         (accumulate_line_counts): Remove usage of the union.
16389         (function_info::function_info): New function.
16390         (function_info::~function_info): Likewise.
16391         (process_file): Call delete instead of release_function.
16392         (release_function): Release the function.
16393         (release_structures): Call delete instead of release_function.
16394         (solve_flow_graph): Replace usage of num_blocks.
16395         (find_exception_blocks): Likewise.
16396         (output_lines): Fix GNU coding style.
16397
16398 2017-04-28  Martin Liska  <mliska@suse.cz>
16399
16400         PR driver/56469
16401         * coverage.c (coverage_remove_note_file): New function.
16402         * coverage.h: Declare the function.
16403         * toplev.c (finalize): Clean if an error has been seen.
16404
16405 2017-04-28  Martin Liska  <mliska@suse.cz>
16406
16407         PR gcov-profile/80031
16408         * gcov-dump.c (tag_blocks): Just print number of basic blocks.
16409         * gcov-io.h (GCOV_TAG_BLOCKS_NUM): Remove unused macro.
16410         * gcov.c (read_graph_file): Read just number of blocks.
16411         * profile.c (branch_prob): Do not stream 0 flags per a basic
16412         block.
16413
16414 2017-04-28  Martin Liska  <mliska@suse.cz>
16415
16416         * gcov-dump.c (tag_*): Add new argument to declarations.
16417         (dump_gcov_file): Likewise.
16418         (tag_blocks): Add and use new argument depth.
16419         (tag_arcs): Likewise.
16420         (tag_lines): Likewise.
16421         (tag_counters): Likewise.
16422         (tag_summary): Likewise.
16423         (dump_working_sets): Use depth to do a proper indentation.
16424
16425 2017-04-28  Jakub Jelinek  <jakub@redhat.com>
16426
16427         PR bootstrap/80531
16428         * cgraph.h (symtab_node::debug_symtab): No longer inline.
16429         * symtab.c (symtab_node::debug_symtab): Move definition here.
16430
16431 2017-04-28  Richard Biener  <rguenther@suse.de>
16432
16433         * lto-streamer.h (LTO_major_version): Bump to 7.
16434
16435 2017-04-28  Richard Biener  <rguenther@suse.de>
16436
16437         * tree-vrp.c (assert_info): New struct.
16438         (add_assert_info): New helper.
16439         (register_edge_assert_for_2): Refactor to add asserts to a vector
16440         of assert_info.
16441         (register_edge_assert_for_1): Likewise.
16442         (register_edge_assert_for): Likewise.
16443         (finish_register_edge_assert_for): New helper actually registering
16444         asserts where live on edge.
16445         (find_conditional_asserts): Adjust.
16446         (find_switch_asserts): Likewise.
16447         (evrp_dom_walker::try_find_new_range): Generalize.
16448         (evrp_dom_walker::before_dom_children): Use register_edge_assert_for.
16449
16450 2017-04-27  Marek Polacek  <polacek@redhat.com>
16451
16452         PR sanitizer/80349
16453         * fold-const.c (fold_binary_loc) <case EQ_EXPR, NE_EXPR>: Convert
16454         arg10 and arg11 to itype.
16455
16456 2017-04-27  Jonathan Wakely  <jwakely@redhat.com>
16457
16458         * doc/extend.texi (Object Size Checking): Improve grammar.
16459
16460 2017-04-27  Richard Earnshaw  <rearnsha@arm.com>
16461
16462         PR target/80530
16463         * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Ensure
16464         that the logic for permitting reciprocal estimates matches that
16465         in use_rsqrt_p.
16466
16467 2017-04-27  Jakub Jelinek  <jakub@redhat.com>
16468
16469         PR c++/80534
16470         * tree.c (type_cache_hasher::equal): Only compare
16471         TYPE_TYPELESS_STORAGE flag on non-aggregate element types.
16472         (build_array_type_1): Only hash TYPE_TYPELESS_STORAGE flag on
16473         non-aggregate element types.
16474         * tree.h (TYPE_TYPELESS_STORAGE): Fix comment typo, add more details
16475         about the flag on ARRAY_TYPEs in the comment, formatting fix.
16476
16477 2017-04-27  Richard Biener  <rguenther@suse.de>
16478
16479         PR middle-end/80533
16480         * emit-rtl.c (set_mem_attributes_minus_bitpos): When
16481         stripping ARRAY_REFs from MEM_EXPR make sure we're not
16482         keeping a reference to a trailing array.
16483
16484 2017-04-27  Richard Biener  <rguenther@suse.de>
16485
16486         PR middle-end/80539
16487         * tree-chrec.c (chrec_fold_plus_poly_poly): Deal with not
16488         being in loop-closed SSA form conservatively.
16489         (chrec_fold_multiply_poly_poly): Likewise.
16490
16491 2017-04-27  Tamar Christina  <tamar.christina@arm.com>
16492
16493         PR middle-end/79665
16494         * expr.c (expand_expr_real_2): Move TRUNC_MOD_EXPR, FLOOR_MOD_EXPR,
16495         CEIL_MOD_EXPR, ROUND_MOD_EXPR cases.
16496
16497 2017-04-27  Jakub Jelinek  <jakub@redhat.com>
16498
16499         PR target/77728
16500         * config/aarch64/aarch64.c (struct aarch64_fn_arg_alignment): Remove.
16501         (aarch64_function_arg_alignment): Return unsigned int again, but still
16502         ignore TYPE_FIELDS chain decls other than FIELD_DECLs.
16503         (aarch64_layout_arg): Adjust aarch64_function_arg_alignment caller.
16504         Don't emit -Wpsabi note.
16505         (aarch64_function_arg_boundary): Likewise.
16506         (aarch64_gimplify_va_arg_expr): Adjust aarch64_function_arg_alignment
16507         caller.
16508
16509 2017-04-26  Nathan Sidwell  <nathan@acm.org>
16510
16511         * tree.h (crc32_unsigned_n): Declare.
16512         (crc32_unsigned, crc32_unsigned): Make inline.
16513         * tree.c (crc32_unsigned_bits): Replace with ...
16514         (crc32_unsigned_n): ... this.
16515         (crc32_unsigned, crc32_byte): Remove.
16516         (crc32_string): Remove unnecessary braces.
16517
16518 2017-04-25  Jan Hubicka  <hubicka@ucw.cz>
16519
16520         * ipa-cp.c (estimate_local_effects): Convert sreal to int.
16521         * ipa-inline-analysis.c (MAX_TIME): Remove.
16522         (account_size_time): Use sreal for time.
16523         (dump_inline_summary): Update.
16524         (estimate_function_body_sizes): Update.
16525         (estimate_edge_size_and_time): Update.
16526         (estimate_calls_size_and_time): Update.
16527         (estimate_node_size_and_time): Update.
16528         (inline_merge_summary): Update.
16529         (inline_update_overall_summary): Update.
16530         (estimate_time_after_inlining): Update.
16531         (inline_read_section): Update.
16532         (inline_write_summary): Update.
16533         * ipa-inline.c (compute_uninlined_call_time): Update.
16534         (compute_inlined_call_time): Update.
16535         (recursive_inlining): Update.
16536         (inline_small_functions): Update.
16537         (dump_overall_stats): Update.
16538         * ipa-inline.h: Include sreal.h.
16539         (size_time_entry): Turn time to sreal.
16540         (inline_summary): Turn self_time nad time to sreal.
16541
16542 2017-04-25  Jan Hubicka  <hubicka@ucw.cz>
16543
16544         * sreal.c: Include backend.h, tree.h, gimple.h, cgraph.h and
16545         data-streamer.h
16546         (sreal::stream_out, sreal::stream_in): New.
16547         * sreal.h (sreal::stream_out, sreal::stream_in): Declare.
16548
16549 2017-04-25  Jakub Jelinek  <jakub@redhat.com>
16550
16551         * Makefile.in (s-options): Invoke opt-gather.awk with LC_ALL=C in the
16552         environment.
16553
16554 2017-04-25  Uros Bizjak  <ubizjak@gmail.com>
16555
16556         PR target/70799
16557         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p):
16558         Handle ASHIFTRT.
16559         (dimode_scalar_chain::compute_convert_gain): Ditto.
16560         (dimode_scalar_chain::make_vector_copies): Ditto.
16561         (dimode_scalar_chain::convert_reg): Ditto.
16562         (dimode_scalar_chain::convert_insn): Ditto.
16563         * config/i386/sse.md (VI24_AVX512BW_1): Remove mode iterator.
16564         (VI248_AVX512BW_1): New mode iterator.
16565         (<mask_codefor>ashr<mode>3<mask_name>): Merge insn pattern with
16566         <mask_codefor>ashrv2di3<mask_name> insn using VI248_AVX512BW_1
16567         mode iterator.
16568
16569 2017-04-25  Martin Sebor  <msebor@redhat.com>
16570
16571         PR tree-optimization/80497
16572         * gimple-ssa-sprintf.c (get_int_range): Avoid assuming all integer
16573         constants are representable in HOST_WIDE_INT.
16574         (parse_directive): Ditto.
16575
16576 2017-04-25  Martin Sebor  <msebor@redhat.com>
16577
16578         PR bootstrap/80486
16579         * dominance.c (dom_info::m_n_basic_blocks): Change type to unsigned.
16580         (new_zero_array): Adjust signature.
16581         (dom_info::dom_init): Used unsigned rather that size_t.
16582         (dom_info::dom_info): Same.
16583
16584 2017-04-25  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
16585             Jakub Jelinek  <jakub@redhat.com>
16586
16587         PR target/77728
16588         * config/arm/arm.c: Include gimple.h.
16589         (aapcs_layout_arg): Emit -Wpsabi note if arm_needs_doubleword_align
16590         returns negative, increment ncrn only if it returned positive.
16591         (arm_needs_doubleword_align): Return int instead of bool,
16592         ignore DECL_ALIGN of non-FIELD_DECL TYPE_FIELDS chain
16593         members, but if there is any such non-FIELD_DECL
16594         > PARM_BOUNDARY aligned decl, return -1 instead of false.
16595         (arm_function_arg): Emit -Wpsabi note if arm_needs_doubleword_align
16596         returns negative, increment nregs only if it returned positive.
16597         (arm_setup_incoming_varargs): Likewise.
16598         (arm_function_arg_boundary): Emit -Wpsabi note if
16599         arm_needs_doubleword_align returns negative, return
16600         DOUBLEWORD_ALIGNMENT only if it returned positive.
16601
16602 2017-04-25  Marek Polacek  <polacek@redhat.com>
16603
16604         PR sanitizer/80349
16605         * fold-const.c (fold_binary_loc) <case BIT_IOR_EXPR>: Convert arg0's
16606         first argument to type.
16607
16608 2017-04-25  Bill Seurer  <seurer@linux.vnet.ibm.com>
16609
16610         PR target/80482
16611         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Change
16612         type checks to test for compatibility instead of equality.
16613
16614 2017-04-25  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
16615             Jakub Jelinek  <jakub@redhat.com>
16616
16617         PR target/77728
16618         * config/aarch64/aarch64.c (struct aarch64_fn_arg_alignment): New
16619         type.
16620         (aarch64_function_arg_alignment): Return aarch64_fn_arg_alignment
16621         struct.  Ignore DECL_ALIGN of decls other than FIELD_DECL for
16622         the alignment computation, but return their maximum in warn_alignment.
16623         (aarch64_layout_arg): Adjust aarch64_function_arg_alignment caller.
16624         Emit a -Wpsabi note if warn_alignment is 16 bytes, but alignment
16625         is smaller.
16626         (aarch64_function_arg_boundary): Likewise.  Simplify using MIN/MAX.
16627         (aarch64_gimplify_va_arg_expr): Adjust aarch64_function_arg_alignment
16628         caller.
16629
16630 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
16631
16632         * config/arc/simdext.md (dmpyh): Fix typo.
16633
16634 2017-04-25  Richard Biener  <rguenther@suse.de>
16635
16636         PR tree-optimization/80492
16637         * alias.c (compare_base_decls): Handle registers with asm
16638         specification conservatively.
16639         * tree-ssa-alias.c (decl_refs_may_alias_p): Handle
16640         compare_base_decls returning dont-know properly.
16641
16642 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
16643
16644         * config/arc/arc.c (LEGITIMATE_OFFSET_ADDRESS_P): Delete macro.
16645         (legitimate_offset_address_p): New function.
16646         (arc_legitimate_address_p): Use above function.
16647
16648 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
16649
16650         * config/arc/arc.c (arc_output_mi_thunk): Emit PIC calls.
16651
16652 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
16653
16654         * config/arc/arc.c (arc_conditional_register_usage): Use ACCL,
16655         ACCH registers whenever they are available.
16656
16657 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
16658
16659         * config/arc/arc.c (arc_conditional_register_usage): Make D0, D1
16660         double regs fix when not used.
16661
16662 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
16663
16664         * config/arc/arc.h (REGNO_OK_FOR_BASE_P): Consider also extension
16665         core registers.
16666         (REG_OK_FOR_INDEX_P_NONSTRICT): Likewise.
16667         (REG_OK_FOR_BASE_P_NONSTRICT): Likewise.
16668
16669 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
16670
16671         * config/arc/arc.c (arc_output_addsi): Check for h-register class
16672         when emitting short ADD instructions.
16673
16674 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
16675
16676         * config/arc/arc.md (cmpsi_cc_insn_mixed): Use 'h' register
16677         constraint.
16678         (cmpsi_cc_c_insn): Likewise.
16679         (cbranchsi4_scratch): Compute proper instruction length using
16680         compact_hreg_operand.
16681         * config/arc/predicates.md (compact_hreg_operand): New predicate.
16682
16683 2017-04-25  Richard Biener  <rguenther@suse.de>
16684
16685         PR middle-end/80509
16686         * passes.c (pass_manager::pass_manager): Initialize
16687         m_name_to_pass_map.
16688
16689 2017-04-25  Richard Biener  <rguenther@suse.de>
16690
16691         PR tree-optimization/79201
16692         * tree-ssa-sink.c (statement_sink_location): Handle calls.
16693
16694 2017-04-25  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
16695
16696         PR target/80464
16697         * config/s390/vector.md: Split MEM->GPR vector moves for
16698         non-s_operand addresses.
16699
16700 2017-04-25  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
16701
16702         PR target/79895
16703         * config/s390/predicates.md (reload_const_wide_int_operand): New
16704         predicate.
16705         * config/s390/s390.md ("movti"): Remove d/P alternative.
16706         ("movti_bigconst"): New pattern definition.
16707
16708 2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
16709
16710         PR target/80080
16711         * s390-protos.h (s390_expand_cs_hqi): Removed.
16712         (s390_expand_cs, s390_expand_atomic_exchange_tdsi): New prototypes.
16713         * config/s390/s390.c (s390_emit_compare_and_swap): Handle all integer
16714         modes as well as CCZ1mode and CCZmode.
16715         (s390_expand_atomic_exchange_tdsi, s390_expand_atomic): Adapt to new
16716         signature of s390_emit_compare_and_swap.
16717         (s390_expand_cs_hqi): Likewise, make static.
16718         (s390_expand_cs_tdsi): Generate an explicit compare before trying
16719         compare-and-swap, in some cases.
16720         (s390_expand_cs): Wrapper function.
16721         (s390_expand_atomic_exchange_tdsi): New backend specific expander for
16722         atomic_exchange.
16723         (s390_match_ccmode_set): Allow CCZmode <-> CCZ1 mode.
16724         * config/s390/s390.md ("atomic_compare_and_swap<mode>"): Merge the
16725         patterns for small and large integers.  Forbid symref memory operands.
16726         Move expander to s390.c.  Require cc register.
16727         ("atomic_compare_and_swap<DGPR:mode><CCZZ1:mode>_internal")
16728         ("*atomic_compare_and_swap<TDI:mode><CCZZ1:mode>_1")
16729         ("*atomic_compare_and_swapdi<CCZZ1:mode>_2")
16730         ("*atomic_compare_and_swapsi<CCZZ1:mode>_3"): Use s_operand to forbid
16731         symref memory operands.  Remove CC mode and call s390_match_ccmode
16732         instead.
16733         ("atomic_exchange<mode>"): Allow and implement all integer modes.
16734
16735 2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
16736
16737         * config/s390/s390.md (define_peephole2): New peephole to help
16738         combining the load-and-test pattern with volatile memory.
16739
16740 2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
16741
16742         * config/s390/s390.md ("cstorecc4"): Use load-on-condition and deal
16743         with CCZmode for TARGET_Z196.
16744
16745 2017-04-25  Jakub Jelinek  <jakub@redhat.com>
16746
16747         PR rtl-optimization/80501
16748         * combine.c (make_compound_operation_int): Set subreg_code to SET
16749         even for AND with mask of the sign bit of mode.
16750
16751         PR rtl-optimization/80500
16752         * loop-unroll.c (combine_var_copies_in_loop_exit): Call copy_rtx on
16753         sum's initial value.
16754
16755 2017-04-25  Julian Brown  <julian@codesourcery.com>
16756             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
16757
16758         * config/aarch64/thunderx2t99.md (thunderx2t99_crc): New Reservation.
16759
16760 2017-04-25  Marc Glisse  <marc.glisse@inria.fr>
16761
16762         * fold-const.c (tree_single_nonzero_warnv_p): Handle SSA_NAME.
16763
16764 2017-04-25  Julian Brown  <julian@codesourcery.com>
16765             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
16766
16767         * config/aarch64/thunderx2t99.md (thunderx2t99_aes): New Reservation.
16768         (thunderx2t99_sha): New Reservation.
16769
16770 2017-04-25  Julian Brown  <julian@codesourcery.com>
16771             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
16772
16773         * config/aarch64/aarch64-simd.md (aarch64_simd_vec_set<mode>): Fix
16774         type for 1-element load.
16775
16776 2017-04-24  Marc Glisse  <marc.glisse@inria.fr>
16777
16778         * match.pd (X/[ex]C CMP Y/[ex]C): New transformation.
16779
16780 2017-04-24  Martin Jambor  <mjambor@suse.cz>
16781
16782         PR tree-optimization/80293
16783         * tree-sra.c (scalarizable_type_p): New parameter const_decl, make
16784         char arrays not totally scalarizable if it is false.
16785         (analyze_all_variable_accesses): Pass correct value in the new
16786         parameter.  Add a statistics counter.
16787
16788 2017-04-24  Jan Hubicka  <hubicka@ucw.cz>
16789
16790         PR middle-end/79931
16791         * ipa-devirt.c (dump_possible_polymorphic_call_targets): Fix ICE.
16792
16793 2017-04-24  Richard Biener  <rguenther@suse.de>
16794
16795         PR tree-optimization/80494
16796         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Bail
16797         out for complex types.
16798
16799 2017-04-24  Richard Biener  <rguenther@suse.de>
16800
16801         * tree-ssa-sccvn.h (run_scc_vn): Adjust prototype.
16802         * tree-ssa-sccvn.c (print_scc): Print SCC size.
16803         (extract_and_process_scc_for_name): Never fail but drop SCC to varying.
16804         (DFS): Adjust and never fail.
16805         (sccvn_dom_walker::fail): Remove.
16806         (sccvn_dom_walker::before_dom_children): Adjust.
16807         (run_scc_vn): Likewise and never fail.
16808         * tree-ssa-pre.c (pass_pre::execute): Adjust.
16809         (pass_fre::execute): Likewise.
16810
16811 2017-04-24  Richard Biener  <rguenther@suse.de>
16812
16813         PR tree-optimization/79725
16814         * tree-ssa-sink.c (statement_sink_location): Return whether
16815         failure reason was zero uses.  Move that check later.
16816         (sink_code_in_bb): Deal with zero uses by removing the stmt
16817         if possible.
16818
16819 2017-04-24  Richard Biener  <rguenther@suse.de>
16820
16821         PR c++/2972
16822         * tree-ssa-uninit.c (warn_uninitialized_vars): Handle some
16823         pointer-based references.
16824
16825 2017-04-24  Richard Biener  <rguenther@suse.de>
16826
16827         PR bootstrap/79814
16828         * pass_manager.h (pass_manager::operator new): Remove.
16829         (pass_manager::operator delete): Likewise.
16830         * passes.c (pass_manager::operator new): Remove.
16831         (pass_manager::operator delete): Likewise.
16832         (pass_manager::pass_manager): Zero individual pass members.
16833
16834 2017-04-23  Uros Bizjak  <ubizjak@gmail.com>
16835
16836         PR target/70799
16837         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p)
16838         <case ASHIFT, case LSHIFTRT>: Also consider variable shifts.
16839         Check "XEXP (src, 1)" operand here.
16840         <case PLUS, case MINUS, case IOR, case XOR, case AND>:
16841         Check "XEXP (src, 1)" operand here.
16842         (dimode_scalar_chain::make_vector_copies): Detect count register
16843         of a shift instruction.  Zero extend count register from QImode
16844         to DImode to satisfy vector shift pattern count operand predicate.
16845         Substitute vector shift count operand with a DImode copy.
16846         (dimode_scalar_chain::convert_reg): Ditto, zero-extend from
16847         vector register.
16848
16849 2017-04-21  Uros Bizjak  <ubizjak@gmail.com>
16850
16851         * config/i386/i386.md (*extzvqi_mem_rex64): Move above *extzv<mode>.
16852         Remove UNSPEC_NOREX_MEM tag.  Update corresponding peephole2 pattern.
16853         (*insvqi_1_mem_rex64): Move above insv<mode>_1.  Remove
16854         UNSPEC_NOREX_MEM tag.  Update corresponding peephole2 pattern.
16855         (UNSPEC_NOREX_MEM): Remove definition.
16856
16857 2017-04-21  Richard Biener  <rguenther@suse.de>
16858
16859         PR tree-optimization/79547
16860         * tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
16861         Handle strlen, strcmp, strncmp, strcasecmp, strncasecmp, memcmp,
16862         bcmp, strspn, strcspn, __builtin_object_size and __builtin_constant_p
16863         without any constraints.
16864
16865 2017-04-21  Richard Biener  <rguenther@suse.de>
16866
16867         PR tree-optimization/78847
16868         * fold-const.c (split_tree): Handle POINTER_PLUS_EXPR.
16869
16870 2017-04-21  Richard Biener  <rguenther@suse.de>
16871
16872         * tree.h (build_qualified_type): Annotate with CXX_MEM_STAT_INFO.
16873         (build_distinct_type_copy): Likewise.
16874         (build_variant_type_copy): Likewise.
16875         * tree.c (build_qualified_type): Pass down mem-stat info.
16876         (build_distinct_type_copy): Likewise.
16877         (build_variant_type_copy): Likewise.
16878
16879 2017-04-21  Richard Biener  <rguenther@suse.de>
16880
16881         PR tree-optimization/80237
16882         * tree-ssa-pre.c (find_leader_in_sets): Add third set argument,
16883         defaulted to NULL.
16884         (phi_translate_1): Also allow a leader in AVAIL_OUT of pred
16885         for a simplified result.
16886
16887 2016-04-21  Richard Biener  <rguenther@suse.de>
16888
16889         * tree-ssa-loop-ivcanon.c (constant_after_peeling): Do not require
16890         sth as strict as a simple_iv but a chrec without symbols and an
16891         operand defined in the loop we are peeling (and not some subloop).
16892         (propagate_constants_for_unrolling): Propagate all constants.
16893
16894 2017-04-20  Uros Bizjak  <ubizjak@gmail.com>
16895
16896         PR target/79804
16897         * config/i386/i386.c (print_reg): Remove assert for disalowed
16898         regno values, call output_operand_lossage instead.
16899
16900 2017-04-20  Uros Bizjak  <ubizjak@gmail.com>
16901
16902         PR target/78090
16903         * config/i386/constraints.md (Yc): New register constraint.
16904         * config/i386/i386.md (*float<SWI48:mode><MODEF:mode>2_mixed):
16905         Use Yc constraint for alternative 2 of operand 0.  Remove
16906         preferred_for_speed attribute.
16907
16908 2017-04-20  Alexander Monakov  <amonakov@ispras.ru>
16909
16910         * omp-low.c (lower_lastprivate_clauses): Correct handling of linear and
16911         lastprivate clauses in SIMT case.
16912
16913 2017-04-20  Volker Reichelt  <v.reichelt@netcologne.de>
16914
16915         * doc/invoke.texi (-Wextra-semi): Document new warning option.
16916
16917 2017-04-20  Richard Biener  <rguenther@suse.de>
16918
16919         PR tree-optimization/57796
16920         * tree-vect-stmts.c (vect_model_store_cost): Cost scatters
16921         as N scalar stores.
16922         (vect_model_load_cost): Cost gathers as N scalar loads.
16923
16924 2017-04-20  Richard Biener  <rguenther@suse.de>
16925
16926         * ggc-page.c (ggc_allocated_p): Rename to ...
16927         (safe_lookup_page_table_entry): ... this and return the lookup
16928         result.
16929         (gt_ggc_m_S): Use safe_lookup_page_table_entry.
16930
16931 2017-04-20  Richard Biener  <rguenther@suse.de>
16932
16933         PR tree-optimization/80453
16934         * tree-ssa-sccvn.h (struct vn_phi_s): Add cclhs and ccrhs members.
16935         * tree-ssa-sccvn.c (cond_stmts_equal_p): Use recorded lhs and rhs
16936         from the conditions.
16937         (vn_phi_eq): Pass them down.
16938         (vn_phi_lookup): Record them.
16939         (vn_phi_insert): Likewise.
16940
16941 2017-04-20  Matthew Fortune  <matthew.fortune@imgtec.com>
16942
16943         * config/mips/mips.c (mips_expand_vec_perm_const): Re-fix
16944         uninitialized variable warning to avoid buffer overrun.
16945
16946 2017-04-20  Alexander Monakov  <amonakov@ispras.ru>
16947
16948         PR other/71250
16949         * doc/invoke.texi (-Wmissing-field-initializers): Mention that warning
16950         is suppressed for '{ 0 }' in C.
16951
16952 2017-04-20  Jakub Jelinek  <jakub@redhat.com>
16953
16954         * BASE-VER: Set to 8.0.0.
16955
16956 2017-04-20  Thomas Preud'homme  <thomas.preudhomme@arm.com>
16957
16958         * config/arm/arm.c (arm_elf_asm_cdtor): Create non-default
16959         priority .init_array and .fini_array section with SECTION_NOTYPE
16960         flag.
16961
16962 2017-04-20  Jakub Jelinek  <jakub@redhat.com>
16963
16964         PR middle-end/80423
16965         * tree.h (build_array_type): Add typeless_storage default argument.
16966         * tree.c (type_cache_hasher::equal): Also compare
16967         TYPE_TYPELESS_STORAGE flag for ARRAY_TYPEs.
16968         (build_array_type): Add typeless_storage argument, set
16969         TYPE_TYPELESS_STORAGE to it, if shared also hash it, and pass to
16970         recursive call.
16971         (build_nonshared_array_type): Adjust build_array_type_1 caller.
16972         (build_array_type): Likewise.  Add typeless_storage argument.
16973
16974 2017-04-19  Eric Botcazou  <ebotcazou@adacore.com>
16975             Jakub Jelinek  <jakub@redhat.com>
16976
16977         PR tree-optimization/80426
16978         * tree-vrp.c (extract_range_from_binary_expr_1): For an additive
16979         operation on symbolic operands, also compute the overflow for the
16980         invariant part when the operation degenerates into a negation.
16981
16982 2017-04-19  Jakub Jelinek  <jakub@redhat.com>
16983
16984         PR debug/80461
16985         * dwarf2out.c (modified_type_die, gen_type_die_with_usage):
16986         Check for t with zero TYPE_QUALS_NO_ADDR_SPACE.
16987
16988         PR debug/80436
16989         * tree-ssa-loop-manip.c (find_uses_to_rename_def): Ignore debug uses.
16990
16991 2017-04-19  Georg-Johann Lay  <avr@gjlay.de>
16992
16993         PR target/80462
16994         * config/avr/avr.c (tree.h): Include it.
16995         (cgraph.h): Include it.
16996         (avr_encode_section_info): Don't warn for uninitialized progmem
16997         variable if it's just an alias.
16998
16999 2017-04-19  Richard Biener  <rguenther@suse.de>
17000
17001         PR ipa/65972
17002         * auto-profile.c (afdo_vpt_for_early_inline): Update SSA
17003         when needed by AutoPGO.
17004
17005 2017-04-19  Paulo J. Matos  <paulo@matos-sorge.com>
17006
17007         PR lto/50345
17008         * doc/lto.texi: Remove an extra 'that'.
17009
17010 2017-04-19  Segher Boessenkool  <segher@kernel.crashing.org>
17011
17012         PR rtl-optimization/80429
17013         * ira.c (split_live_ranges_for_shrink_wrap): Don't split regs that
17014         are only used in debug insns.
17015
17016 2017-04-19  Eric Botcazou  <ebotcazou@adacore.com>
17017             Vladimir Makarov  <vmakarov@redhat.com>
17018
17019         * config/sparc/predicates.md (input_operand): Add comment.  Return
17020         true for any memory operand when LRA is in progress.
17021         * config/sparc/sparc.c (sparc_expand_move): Minor formatting fix.
17022
17023 2017-04-18  Jeff Law  <law@redhat.com>
17024
17025         PR target/74563
17026         * mips.md ({return,simple_return}_internal): Do not overwrite
17027         operands[0].
17028
17029 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
17030
17031         PR tree-optimization/80443
17032         * tree-vrp.c (intersect_ranges): For signed 1-bit precision type,
17033         instead of adding 1, subtract -1 and similarly instead of subtracting
17034         1 add -1.
17035
17036 2017-04-18  Richard Sandiford  <richard.sandiford@arm.com>
17037
17038         PR rtl-optimization/80357
17039         * haifa-sched.c (tmp_bitmap): New variable.
17040         (model_recompute): Handle duplicate use records.
17041         (alloc_global_sched_pressure_data): Initialize tmp_bitmap.
17042         (free_global_sched_pressure_data): Free it.
17043
17044 2017-04-18  Bernd Edlinger  <bernd.edlinger@hotmail.de>
17045
17046         Revert:
17047         2017-02-20  Bernd Edlinger  <bernd.edlinger@hotmail.de>
17048         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
17049         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
17050         instead of SYSTEM_HEADER_DIR.
17051
17052 2017-04-18  Jeff Law  <law@redhat.com>
17053
17054         PR middle-end/80422
17055         * cfgcleanup.c (try_crossjump_to_edge): Verify SRC1 and SRC2 have
17056         predecessors after walking up the insn chain.
17057
17058 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
17059
17060         PR debug/80263
17061         * dwarf2out.c (modified_type_die): Try harder not to emit internal
17062         sizetype type into debug info.
17063
17064 2017-04-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
17065
17066         PR target/80099
17067         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Eliminate
17068         unneeded test for TARGET_UPPER_REGS_SF.
17069         * config/rs6000/vsx.md (vsx_extract_v4sf_var): Likewise.
17070
17071 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
17072
17073         PR sanitizer/80444
17074         * sancov.c (sancov_pass): Use gsi_start_nondebug_after_labels_bb
17075         instead of gsi_after_labels.
17076
17077 2017-04-18  Jeff Law  <law@redhat.com>
17078
17079         * regcprop.c (maybe_mode_change): Avoid creating copies of the
17080         stack pointer.
17081
17082         Revert:
17083         2017-04-13  Jeff Law  <law@redhat.com>
17084         * config/mips.mips.md (zero_extendsidi2): Do not allow SP to appear
17085         in operands[1] if it is a MEM and TARGET_MIPS16 is active.
17086
17087 2017-04-18  Georg-Johann Lay  <avr@gjlay.de>
17088
17089         PR target/79453
17090         * config/avr/avr.c (intl.h): Include it.
17091         (avr_pgm_check_var_decl) [reason]: Wrap diagnostic snippets into _().
17092
17093 2017-04-18  Martin Liska  <mliska@suse.cz>
17094
17095         PR gcov-profile/78783
17096         * gcov-tool.c (gcov_output_files): Validate that destination
17097         file is either removed by the tool or by a user.
17098
17099 2017-04-14  Andrew Burgess  <andrew.burgess@embecosm.com>
17100             Guy Benyei  <guybe@mellanox.com>
17101
17102         * config/arc/arc.c (arc_reorg): Move loop_end_id into a more local
17103         block, and do not negate it, the stored id is already negative.
17104
17105 2017-04-14  Andrew Burgess  <andrew.burgess@embecosm.com>
17106
17107         * config/arc/arc.md (doloop_begin_i): Use @pcl assembler syntax.
17108
17109 2017-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
17110
17111         PR target/80098
17112         * config/rs6000/rs6000-cpus.def (OTHER_P9_VECTOR_MASKS): Define
17113         masks of options that should be turned off if the VSX vector
17114         options are turned off.
17115         (OTHER_P8_VECTOR_MASKS): Likewise.
17116         (OTHER_VSX_VECTOR_MASKS): Likewise.
17117         * config/rs6000/rs6000.c (rs6000_option_override_internal): Call
17118         rs6000_disable_incompatible_switches to validate no type switches
17119         like -mvsx.
17120         (rs6000_incompatible_switch): New function to disallow turning on
17121         other vector options if -mno-vsx, -mno-power8-vector, or
17122         -mno-power9-vector are specified.
17123
17124 2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>
17125
17126         * config/arc/arc.h (CRT_CALL_STATIC_FUNCTION): Use long calls.
17127
17128 2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>
17129
17130         * config/arc/arc-protos.h (arc_decl_pretend_args): Remove.
17131         * config/arc/arc.c (arc_decl_pretend_args): Likewise.
17132         * config/arc/arc.h (CFA_FRAME_BASE_OFFSET): Likewise.
17133         (ARG_POINTER_CFA_OFFSET): Likewise.
17134
17135 2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>
17136
17137         * config/arc/arc.c (arc_mode_dependent_address_p): Relax
17138         conditions to take advantage of various optimizations.
17139
17140 2017-04-13  Jeff Law  <law@redhat.com>
17141
17142         * config/mips.mips.md (zero_extendsidi2): Do not allow SP to appear
17143         in operands[1] if it is a MEM and TARGET_MIPS16 is active.
17144         (zero_extendsidi2_dext): Likewise.
17145
17146 2017-04-13  Jakub Jelinek  <jakub@redhat.com>
17147
17148         PR sanitizer/80403
17149         * fold-const.c (fold_ternary_loc): Revert
17150         use op0 instead of fold_convert_loc (loc, type, arg0) part of
17151         2017-04-12 change.
17152
17153 2017-04-13  Vladimir Makarov  <vmakarov@redhat.com>
17154
17155         PR rtl-optimization/80343
17156         * lra-remat.c (update_scratch_ops): Assign original hard reg to
17157         new scratch pseudo.
17158
17159 2017-04-13  Denis Khalikov <d.khalikov@partner.samsung.com>
17160
17161         PR sanitizer/80414
17162         * ubsan.c (ubsan_expand_bounds_ifn): Pass original index
17163         to ubsan_encode_value.
17164
17165 2017-04-13  Jeff Law  <law@redhat.com>
17166
17167         * reload1.c (eliminate_regs_1): Call gen_rtx_raw_SUBREG for SUBREGs
17168         appearing in DEBUG_INSNs.
17169
17170 2017-04-13  Martin Liska  <mliska@suse.cz>
17171
17172         PR gcov-profile/80413
17173         * gcov-io.c (gcov_write_string): Copy to buffer just when
17174         allocated size is greater than zero.
17175
17176 2017-04-13  Jakub Jelinek  <jakub@redhat.com>
17177
17178         PR debug/80321
17179         * dwarf2out.c (decls_for_scope): Ignore declarations of
17180         current_function_decl in BLOCK_NONLOCALIZED_VARS.
17181
17182 2017-04-12  Jan Hubicka  <hubicka@ucw.cz>
17183
17184         PR lto/69953
17185         * ipa-visibility.c (non_local_p): Fix typos.
17186         (localize_node): When localizing symbol in same comdat group,
17187         dissolve the group only when we know external symbols are going
17188         to be privatized.
17189         (function_and_variable_visibility): Do not localize DECL_EXTERNAL.
17190
17191 2017-04-12  Jakub Jelinek  <jakub@redhat.com>
17192
17193         PR tree-optimization/79390
17194         * optabs.c (emit_conditional_move): If the preferred op2/op3 operand
17195         order does not result in usable sequence, retry with reversed operand
17196         order.
17197
17198         PR sanitizer/80403
17199         PR sanitizer/80404
17200         PR sanitizer/80405
17201         * fold-const.c (fold_ternary_loc): Use op1 instead of arg1 as argument
17202         to fold_build2_loc.  Convert TREE_OPERAND (tem, 0) to type.  Use
17203         op0 instead of fold_convert_loc (loc, type, arg0).
17204
17205 2017-04-12  Jeff Law  <law@redhat.com>
17206
17207         * genattrtab.c (write_eligible_delay): Verify DELAY_INSN still
17208         has a delay slot in the generated code.
17209
17210         * config/cris/cris.md (cris_preferred_reload_class): Return
17211         GENNONACR_REGS rather than GENERAL_REGS.
17212
17213 2017-04-12  Jakub Jelinek  <jakub@redhat.com>
17214
17215         PR c/80163
17216         * expr.c <CASE_CONVERT>: For EXPAND_INITIALIZER determine SIGN_EXTEND
17217         vs. ZERO_EXTEND based on signedness of treeop0's type rather than
17218         signedness of the result type.
17219
17220 2017-04-12  Richard Biener  <rguenther@suse.de>
17221             Jeff Law  <law@redhat.com>
17222
17223         PR tree-optimization/80359
17224         * tree-ssa-dse.c (maybe_trim_partially_dead_store): Do not
17225         trim stores to TARGET_MEM_REFs.
17226
17227 2017-04-12  Richard Biener  <rguenther@suse.de>
17228
17229         PR tree-optimization/79390
17230         * gimple-ssa-split-paths.c (is_feasible_trace): Restrict
17231         threading case even more.
17232
17233 2017-04-12  Segher Boessenkool  <segher@kernel.crashing.org>
17234
17235         PR target/80382
17236         * config/rs6000/sync.md (atomic_load<mode>, atomic_store<mode): Test
17237         for quad_address_p for TImode, instead of just not indexed_address.
17238
17239 2017-04-12  Richard Biener  <rguenther@suse.de>
17240             Bernd Edlinger  <bernd.edlinger@hotmail.de>
17241
17242         PR middle-end/79671
17243         * alias.c (component_uses_parent_alias_set_from): Handle
17244         TYPE_TYPELESS_STORAGE.
17245         (get_alias_set): Likewise.
17246         * tree-core.h (tree_type_common): Add typeless_storage flag.
17247         * tree.h (TYPE_TYPELESS_STORAGE): New macro.
17248         * stor-layout.c (place_union_field): Set TYPE_TYPELESS_STORAGE
17249         for types containing members with TYPE_TYPELESS_STORAGE.
17250         (place_field): Likewise.
17251         (layout_type): Likewise for ARRAY_TYPE.
17252         * lto-streamer-out.c (hash_tree): Hash TYPE_TYPELESS_STORAGE.
17253         * tree-streamer-in.c (unpack_ts_type_common_value_fields): Stream
17254         TYPE_TYPELESS_STORAGE.
17255         * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
17256
17257 2017-04-12  Jakub Jelinek  <jakub@redhat.com>
17258
17259         PR sanitizer/80349
17260         * fold-const.c (fold_binary_loc) <case BIT_IOR_EXPR>: Convert arg0's
17261         first argument to type.
17262
17263 2017-04-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
17264
17265         PR target/80376
17266         PR target/80315
17267         * config/rs6000/rs6000.c (rs6000_expand_unop_builtin): Return
17268         CONST0_RTX (mode) rather than const0_rtx where appropriate.
17269         (rs6000_expand_binop_builtin): Likewise.
17270         (rs6000_expand_ternop_builtin): Likewise; also add missing
17271         vsx_xxpermdi_* variants; also fix typo (arg1 => arg2) for
17272         vshasigma built-ins.
17273         * doc/extend.texi: Document that vec_xxpermdi's third argument
17274         must be a constant.
17275
17276 2017-04-11  Uros Bizjak  <ubizjak@gmail.com>
17277
17278         * config/i386/i386.c (dimode_scalar_chain::compute_convert_gain):
17279         Use shift_const cost parameter when calculating gain of STV shifts.
17280
17281 2017-04-11  Vladimir Makarov  <vmakarov@redhat.com>
17282
17283         PR rtl-optimization/70478
17284         * lra-constraints.c (process_alt_operands): Check memory for
17285         disfavoring memory insn operand.
17286
17287 2017-04-11  Jakub Jelinek  <jakub@redhat.com>
17288
17289         PR middle-end/80100
17290         * simplify-rtx.c (simplify_binary_operation_1) <case IOR>: Perform
17291         left shift in unsigned HOST_WIDE_INT type.
17292
17293         PR rtl-optimization/80385
17294         * simplify-rtx.c (simplify_unary_operation_1): Don't transform
17295         (not (neg X)) into (plus X -1) for complex or non-integral modes.
17296
17297         PR libgomp/80394
17298         * omp-low.c (scan_omp_task): Don't optimize away empty tasks
17299         if they have any depend clauses.
17300
17301 2017-04-11  Martin Liska  <mliska@suse.cz>
17302
17303         PR ipa/80212
17304         * cgraph.c (cgraph_node::dump): Dump calls_comdat_local.
17305         * ipa-split.c (split_function): Create a local comdat symbol
17306         if caller is in a comdat group.
17307
17308 2017-04-11  Martin Liska  <mliska@suse.cz>
17309
17310         PR ipa/80212
17311         * ipa-cp.c (determine_versionability): Handle calls_comdat_local
17312         flags.
17313
17314 2017-04-11  Martin Sebor  <msebor@redhat.com>
17315
17316         PR middle-end/80364
17317         * gimple-ssa-sprintf.c (get_int_range): Remove second argument and
17318         always use the int type.  Use INTEGRAL_TYPE_P() rather than testing
17319         for INTEGER_TYPE.
17320         (directive::set_width, directive::set_precision, format_character):
17321         Adjust.
17322         (parse_directive): Use INTEGRAL_TYPE_P() rather than testing for
17323         INTEGER_TYPE.
17324
17325 2017-04-11  Richard Earnshaw  <rearnsha@arm.com>
17326
17327         PR target/80389
17328         * config/arm/arm.c (arm_configure_build_target): When -mcpu and -arch
17329         conflict, set target->arch_name instead of target->cpu_name.
17330
17331 2017-04-11  Richard Biener  <rguenther@suse.de>
17332
17333         PR tree-optimization/80374
17334         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Use
17335         build_zero_cst, remove fold_convertible_p check again.
17336
17337 2017-04-11  Martin Liska  <mliska@suse.cz>
17338
17339         PR sanitizer/70878
17340         * ubsan.c (instrument_object_size): Do not instrument register
17341         variables.
17342
17343 2017-04-11  Jakub Jelinek  <jakub@redhat.com>
17344
17345         PR target/80381
17346         * config/i386/i386-builtin-types.def
17347         (V16HI_FTYPE_V16HI_INT_V16HI_UHI_COUNT,
17348         V16HI_FTYPE_V16HI_V8HI_V16HI_UHI_COUNT,
17349         V16SI_FTYPE_V16SI_INT_V16SI_UHI_COUNT,
17350         V16SI_FTYPE_V16SI_V4SI_V16SI_UHI_COUNT,
17351         V2DI_FTYPE_V2DI_INT_V2DI_UQI_COUNT,
17352         V2DI_FTYPE_V2DI_V2DI_V2DI_UQI_COUNT,
17353         V32HI_FTYPE_V32HI_INT_V32HI_USI_COUNT,
17354         V32HI_FTYPE_V32HI_V8HI_V32HI_USI_COUNT,
17355         V4DI_FTYPE_V4DI_INT_V4DI_UQI_COUNT,
17356         V4DI_FTYPE_V4DI_V2DI_V4DI_UQI_COUNT,
17357         V4SI_FTYPE_V4SI_INT_V4SI_UQI_COUNT,
17358         V4SI_FTYPE_V4SI_V4SI_V4SI_UQI_COUNT,
17359         V8DI_FTYPE_V8DI_INT_V8DI_UQI_COUNT,
17360         V8DI_FTYPE_V8DI_V2DI_V8DI_UQI_COUNT,
17361         V8HI_FTYPE_V8HI_INT_V8HI_UQI_COUNT,
17362         V8HI_FTYPE_V8HI_V8HI_V8HI_UQI_COUNT,
17363         V8SI_FTYPE_V8SI_INT_V8SI_UQI_COUNT,
17364         V8SI_FTYPE_V8SI_V4SI_V8SI_UQI_COUNT): New function type aliases.
17365         * config/i386/i386-builtin.def (__builtin_ia32_pslld512_mask,
17366         __builtin_ia32_pslldi512_mask, __builtin_ia32_psllq512_mask,
17367         __builtin_ia32_psllqi512_mask, __builtin_ia32_psrad512_mask,
17368         __builtin_ia32_psradi512_mask, __builtin_ia32_psraq512_mask,
17369         __builtin_ia32_psraqi512_mask, __builtin_ia32_psrld512_mask,
17370         __builtin_ia32_psrldi512_mask, __builtin_ia32_psrlq512_mask,
17371         __builtin_ia32_psrlqi512_mask, __builtin_ia32_psllwi128_mask,
17372         __builtin_ia32_pslldi128_mask, __builtin_ia32_psllqi128_mask,
17373         __builtin_ia32_psllw128_mask, __builtin_ia32_pslld128_mask,
17374         __builtin_ia32_psllq128_mask, __builtin_ia32_psllwi256_mask,
17375         __builtin_ia32_psllw256_mask, __builtin_ia32_pslldi256_mask,
17376         __builtin_ia32_pslld256_mask, __builtin_ia32_psllqi256_mask,
17377         __builtin_ia32_psllq256_mask, __builtin_ia32_psradi128_mask,
17378         __builtin_ia32_psrad128_mask, __builtin_ia32_psradi256_mask,
17379         __builtin_ia32_psrad256_mask, __builtin_ia32_psraqi128_mask,
17380         __builtin_ia32_psraq128_mask, __builtin_ia32_psraqi256_mask,
17381         __builtin_ia32_psraq256_mask, __builtin_ia32_psrldi128_mask,
17382         __builtin_ia32_psrld128_mask, __builtin_ia32_psrldi256_mask,
17383         __builtin_ia32_psrld256_mask, __builtin_ia32_psrlqi128_mask,
17384         __builtin_ia32_psrlq128_mask, __builtin_ia32_psrlqi256_mask,
17385         __builtin_ia32_psrlq256_mask, __builtin_ia32_psrawi256_mask,
17386         __builtin_ia32_psraw256_mask, __builtin_ia32_psrawi128_mask,
17387         __builtin_ia32_psraw128_mask, __builtin_ia32_psrlwi256_mask,
17388         __builtin_ia32_psrlw256_mask, __builtin_ia32_psrlwi128_mask,
17389         __builtin_ia32_psrlw128_mask, __builtin_ia32_psllwi512_mask,
17390         __builtin_ia32_psllw512_mask, __builtin_ia32_psrawi512_mask,
17391         __builtin_ia32_psraw512_mask, __builtin_ia32_psrlwi512_mask,
17392         __builtin_ia32_psrlw512_mask): Use _COUNT suffixed function type
17393         aliases.
17394         * config/i386/i386.c (ix86_expand_args_builtin): Rename last_arg_count
17395         flag to second_arg_count, handle 4 argument function type _COUNT
17396         aliases, handle second_arg_count on second argument rather than last.
17397
17398 2017-04-10  Jeff Law  <law@redhat.com>
17399
17400         PR tree-optimization/80374
17401         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Do not try to
17402         record anything if we can not convert integer_zero_node to the
17403         desired type.
17404
17405 2017-04-10  Kelvin Nilsen  <kelvin@gcc.gnu.org>
17406
17407         PR target/80108
17408         * config/rs6000/rs6000.c (rs6000_option_override_internal):
17409         Enhance special handling given to the TARGET_P9_MINMAX option in
17410         relation to certain other options.
17411
17412 2017-04-10  Bin Cheng  <bin.cheng@arm.com>
17413
17414         PR tree-optimization/80153
17415         * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Check and
17416         remove POINTER_PLUS_EXPR's base part directly, rather than through
17417         aff_tree.
17418
17419 2017-04-10  Richard Biener  <rguenther@suse.de>
17420             Bin Cheng  <bin.cheng@arm.com>
17421
17422         PR tree-optimization/80153
17423         * tree-affine.c (aff_combination_to_tree): Get base pointer from
17424         the first element of pointer type aff_tree.  Build result expr in
17425         aff_tree's type.
17426         (add_elt_to_tree): Convert to type unconditionally.  Remove other
17427         fold_convert calls.
17428         * tree-ssa-loop-ivopts.c (alloc_iv): Pass in consistent types.
17429         (rewrite_use_nonlinear_expr): Check invariant using iv information.
17430
17431 2017-04-10  Richard Biener  <rguenther@suse.de>
17432
17433         * tree-ssa-structalias.c (find_func_aliases): Properly handle
17434         asm inputs.
17435
17436 2017-04-10  Vladimir Makarov  <vmakarov@redhat.com>
17437
17438         PR rtl-optimization/70478
17439         * lra-constraints.c (curr_small_class_check): New.
17440         (update_and_check_small_class_inputs): New.
17441         (process_alt_operands): Update curr_small_class_check.  Disfavor
17442         alternative insn memory operands.  Check available regs for small
17443         class operands.
17444
17445 2017-03-31  Matthew Fortune  <matthew.fortune@imgtec.com>
17446
17447         PR target/80057
17448         * config/mips/mips.opt (-mvirt): Update description.
17449         * doc/invoke.texi (-mvirt): Likewise.
17450
17451 2017-04-10  Richard Biener  <rguenther@suse.de>
17452
17453         PR middle-end/80362
17454         * fold-const.c (fold_binary_loc): Look at unstripped ops when
17455         looking for NEGATE_EXPR in -A / -B to A / B folding.
17456
17457 2017-04-10  Martin Liska  <mliska@suse.cz>
17458
17459         PR gcov-profile/80224
17460         * gcov.c (print_usage): Fix usage string.
17461         (get_gcov_intermediate_filename): Remove.
17462         (output_gcov_file): Use both for normal and intermediate format.
17463         (generate_results): Do not initialize special file for
17464         intermediate format.
17465
17466 2017-04-10  Richard Biener  <rguenther@suse.de>
17467
17468         PR tree-optimization/80304
17469         * tree-ssa-loop-im.c (ref_indep_loop_p_1): Also recurse
17470         for safelen.
17471
17472 2017-04-10  Nathan Sidwell  <nathan@acm.org>
17473
17474         PR target/79905
17475         * config/rs6000/rs6000.c (rs6000_vector_type): New.
17476         (rs6000_init_builtins): Use it.
17477
17478 2016-04-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
17479
17480         * config/arm/arm.md (<mrc>): Add mode to SET source.
17481         (<mrrc>): Likewise.
17482
17483 2017-04-10  Richard Biener  <rguenther@suse.de>
17484
17485         PR middle-end/80344
17486         * gimplify.c (is_gimple_mem_rhs_or_call): Allow CLOBBERs.
17487
17488 2017-04-10  Jakub Jelinek  <jakub@redhat.com>
17489
17490         PR target/80324
17491         * config/i386/avx512fintrin.h (_mm512_reduce_add_epi32,
17492         _mm512_reduce_mul_epi32, _mm512_reduce_and_epi32,
17493         _mm512_reduce_or_epi32, _mm512_mask_reduce_add_epi32,
17494         _mm512_mask_reduce_mul_epi32, _mm512_mask_reduce_and_epi32,
17495         _mm512_mask_reduce_or_epi32, _mm512_reduce_min_epi32,
17496         _mm512_reduce_max_epi32, _mm512_reduce_min_epu32,
17497         _mm512_reduce_max_epu32, _mm512_mask_reduce_min_epi32,
17498         _mm512_mask_reduce_max_epi32, _mm512_mask_reduce_min_epu32,
17499         _mm512_mask_reduce_max_epu32, _mm512_reduce_add_ps,
17500         _mm512_reduce_mul_ps, _mm512_mask_reduce_add_ps,
17501         _mm512_mask_reduce_mul_ps, _mm512_reduce_min_ps, _mm512_reduce_max_ps,
17502         _mm512_mask_reduce_min_ps, _mm512_mask_reduce_max_ps,
17503         _mm512_reduce_add_epi64, _mm512_reduce_mul_epi64,
17504         _mm512_reduce_and_epi64, _mm512_reduce_or_epi64,
17505         _mm512_mask_reduce_add_epi64, _mm512_mask_reduce_mul_epi64,
17506         _mm512_mask_reduce_and_epi64, _mm512_mask_reduce_or_epi64,
17507         _mm512_reduce_min_epi64, _mm512_reduce_max_epi64,
17508         _mm512_mask_reduce_min_epi64, _mm512_mask_reduce_max_epi64,
17509         _mm512_reduce_min_epu64, _mm512_reduce_max_epu64,
17510         _mm512_mask_reduce_min_epu64, _mm512_mask_reduce_max_epu64,
17511         _mm512_reduce_add_pd, _mm512_reduce_mul_pd, _mm512_mask_reduce_add_pd,
17512         _mm512_mask_reduce_mul_pd, _mm512_reduce_min_pd, _mm512_reduce_max_pd,
17513         _mm512_mask_reduce_min_pd, _mm512_mask_reduce_max_pd): New intrinsics.
17514
17515 2017-04-08  Vladimir Makarov  <vmakarov@redhat.com>
17516
17517         PR rtl-optimization/70478
17518         * lra-constraints.c: Reverse the last patch.
17519
17520 2017-04-08  Andreas Tobler  <andreast@gcc.gnu.org>
17521
17522         * config/aarch64/aarch64-freebsd.h: Define MCOUNT_NAME.
17523         Add comment for WCHAR_T.
17524
17525 2017-04-08  Martin Liska  <mliska@suse.cz>
17526
17527         Revert:
17528         2017-04-07  Martin Liska  <mliska@suse.cz>
17529
17530         PR ipa/80212
17531         * ipa-split.c (split_function): Add function part to a same comdat
17532         group.
17533
17534 2017-04-08  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
17535
17536         PR target/80358
17537         * config/rs6000/rs6000.c (expand_block_compare): Fix boundary check.
17538
17539 2017-04-07  Pat Haugen  <pthaugen@us.ibm.com>
17540
17541         * rs6000/rs6000.c (vec_load_pendulum): Rename...
17542         (vec_pairing): ...to this.
17543         (power9_sched_reorder2): Rewrite code for pairing vector/vecload insns.
17544         (rs6000_sched_init): Adjust for name change.
17545         (struct rs6000_sched_context): Likewise.
17546         (rs6000_init_sched_context): Likewise.
17547         (rs6000_set_sched_context): Likewise.
17548
17549 2017-04-07  Jakub Jelinek  <jakub@redhat.com>
17550
17551         PR target/80322
17552         PR target/80323
17553         PR target/80325
17554         PR target/80326
17555         * config/i386/avxintrin.h (_mm256_cvtsd_f64, _mm256_cvtss_f32): New
17556         intrinsics.
17557         * config/i386/avx512fintrin.h (_mm512_int2mask, _mm512_mask2int,
17558         _mm512_abs_ps, _mm512_mask_abs_ps, _mm512_abs_pd, _mm512_mask_abs_pd,
17559         _mm512_cvtsd_f64, _mm512_cvtss_f32): Likewise.
17560
17561 2017-04-07  Andreas Tobler  <andreast@gcc.gnu.org>
17562
17563         * config/aarch64/aarch64-freebsd.h: Define WCHAR_TYPE.
17564
17565 2017-04-07  Vladimir Makarov  <vmakarov@redhat.com>
17566
17567         PR rtl-optimization/70703
17568         * ira-color.c (update_conflict_hard_regno_costs): Use
17569         int64_t instead of HOST_WIDE_INT.
17570
17571 2017-04-07  Vladimir Makarov  <vmakarov@redhat.com>
17572
17573         PR rtl-optimization/70478
17574         * lra-constraints.c (process_alt_operands): Disfavor alternative
17575         insn memory operands.
17576
17577 2017-04-07  Jeff Law  <law@redhat.com>
17578
17579         * config/iq2000/iq2000.c (final_prescan_insn): Do not separate a
17580         CALL and NOTE_INSN_CALL_ARG_LOCATION.
17581
17582 2017-04-07  Martin Liska  <mliska@suse.cz>
17583
17584         PR target/79889
17585         * config/aarch64/aarch64.c (aarch64_process_target_attr):
17586         Show error message instead of an ICE.
17587
17588 2017-04-07  Martin Liska  <mliska@suse.cz>
17589
17590         PR ipa/80212
17591         * ipa-split.c (split_function): Add function part to a same comdat
17592         group.
17593
17594 2017-04-07  Richard Biener  <rguenther@suse.de>
17595
17596         PR middle-end/80341
17597         * tree.c (get_unwidened): Also handle ! for_type case for
17598         INTEGER_CSTs.
17599         * convert.c (do_narrow): Split out from ...
17600         (convert_to_integer_1): ... here.  Do not pass final truncation
17601         type to get_unwidened for TRUNC_DIV_EXPR.
17602
17603 2017-04-07  Richard Biener  <rguenther@suse.de>
17604
17605         * tree-affine.c (wide_int_ext_for_comb): Take type rather
17606         than aff_tree.
17607         (aff_combination_const): Adjust.
17608         (aff_combination_scale): Likewise.
17609         (aff_combination_add_elt): Likewise.
17610         (aff_combination_add_cst): Likewise.
17611         (aff_combination_convert): Likewise.
17612         (add_elt_to_tree): Likewise.  Remove unused argument.
17613         (aff_combination_to_tree): Adjust calls to add_elt_to_tree.
17614
17615 2017-04-07  Sebastian Huber  <sebastian.huber@embedded-brains.de>
17616
17617         * config/arm/arm.h (ARM_DEFAULT_SHORT_ENUMS): Provide default
17618         definition.
17619         * config/arm/arm.c (arm_default_short_enums): Use
17620         ARM_DEFAULT_SHORT_ENUMS.
17621         * config/arm/rtems.h (ARM_DEFAULT_SHORT_ENUMS): Define.
17622
17623 2017-04-06  Jakub Jelinek  <jakub@redhat.com>
17624
17625         PR debug/80234
17626         * dwarf2out.c (gen_member_die): Handle C++17 inline static data
17627         members with redundant out-of-class redeclaration.
17628
17629 2017-04-06  Uros Bizjak  <ubizjak@gmail.com>
17630
17631         PR target/80286
17632         * config/i386/sse.md (*vec_extractv4si_0_zext_sse4): New pattern.
17633         * config/i386/i386.md (*zero_extendsidi2):
17634         Add (?*x,*x) and (?*v,*v) alternatives.
17635
17636 2017-04-06  Uros Bizjak  <ubizjak@gmail.com>
17637
17638         PR target/79733
17639         * config/i386/i386.c (ix86_expand_builtin)
17640         <case IX86_BUILTIN_K{,OR}TEST{C,Z}{8,16,32,64}>: Determine insn operand
17641         mode from insn data. Convert operands to insn operand mode.
17642         Copy operands that don't satisfy insn predicate to a register.
17643
17644 2017-04-06  Sam Thursfield  <sam.thursfield@codethink.co.uk>
17645
17646         * config/rs6000/x-aix: Increase memory limit for genautomata on AIX.
17647         Update comments.
17648
17649 2017-04-06  Richard Biener  <rguenther@suse.de>
17650
17651         PR tree-optimization/80334
17652         * tree-ssa-loop-ivopts.c (rewrite_use_address): Properly
17653         preserve alignment of accesses.
17654
17655 2017-04-06  Richard Biener  <rguenther@suse.de>
17656
17657         PR tree-optimization/80262
17658         * tree-sra.c (build_ref_for_offset): Preserve address-space
17659         information.
17660         * tree-ssa-sccvn.c (vn_reference_maybe_forwprop_address):
17661         Drop useless address-space information on MEM_REF offsets.
17662
17663 2017-04-05  Andreas Schwab  <schwab@linux-m68k.org>
17664
17665         * builtins.def (BUILT_IN_UPDATE_SETJMP_BUF): Fix type.
17666
17667 2017-04-05  Vladimir Makarov  <vmakarov@redhat.com>
17668
17669         PR rtl-optimization/70703
17670         * ira-color.c (update_conflict_hard_regno_costs): Use
17671         HOST_WIDE_INT instead of long.
17672
17673 2017-04-05  Uros Bizjak  <ubizjak@gmail.com>
17674
17675         PR target/80298
17676         * config/i386/mmintrin.h: Add -msse target option when __SSE__ is
17677         not defined for x86_64 target.  Add -mmmx target option when __SSE2__
17678         is not defined.
17679         * config/i386/mm3dnow.h: Add -msse target when __SSE__ is not defined
17680         for x86_64 target.  Handle -m3dnowa option.
17681
17682 2017-04-05  Vladimir Makarov  <vmakarov@redhat.com>
17683
17684         PR rtl-optimization/70703
17685         * ira-color.c (update_costs_from_allocno): Use the smallest mode.
17686         (update_conflict_hard_regno_costs): Use long instead of unsigned
17687         arithmetic for cost calculation.
17688
17689 2017-04-05  Jakub Jelinek  <jakub@redhat.com>
17690             Bernd Edlinger  <bernd.edlinger@hotmail.de>
17691
17692         PR sanitizer/80308
17693         * asan.c (asan_store_shadow_bytes): Fix location of last_chunk_value
17694         for big endian.
17695
17696 2017-04-05  Eric Botcazou  <ebotcazou@adacore.com>
17697
17698         PR target/78002
17699         * config/aarch64/aarch64.c (aarch64_emit_probe_stack_range): Replace
17700         ptr_mode with Pmode throughout.
17701         * config/aarch64/aarch64.md (probe_stack_range_<PTR:mode): Rename
17702         into probe_stack_range and use DImode.
17703
17704 2017-04-05  Dominik Vogt  <vogt@linux.vnet.ibm.com>
17705
17706         PR target/79890
17707         * config/s390/s390.c (s390_register_info_gprtofpr): Return if
17708         call_eh_return is true.
17709
17710 2017-04-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
17711
17712         * config/s390/s390-c.c (s390_resolve_overloaded_builtin):
17713         Initialize last_match_fntype_index.
17714
17715 2017-04-05  Jakub Jelinek  <jakub@redhat.com>
17716
17717         PR target/80310
17718         * tree-nvr.c: Include internal-fn.h.
17719         (pass_return_slot::execute): Ignore internal calls without
17720         direct optab.
17721
17722 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
17723             Richard Biener  <rguenther@suse.de>
17724
17725         PR c++/80297
17726         * genmatch.c (capture::gen_transform): For GENERIC unshare_expr
17727         captures used multiple times, except for the last use.
17728         * generic-match-head.c: Include gimplify.h.
17729
17730 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
17731
17732         PR tree-optimization/79390
17733         * target.h (struct noce_if_info): Declare.
17734         * targhooks.h (default_noce_conversion_profitable_p): Declare.
17735         * target.def (noce_conversion_profitable_p): New target hook.
17736         * ifcvt.h (struct noce_if_info): New type, moved from ...
17737         * ifcvt.c (struct noce_if_info): ... here.
17738         (noce_conversion_profitable_p): Renamed to ...
17739         (default_noce_conversion_profitable_p): ... this.  No longer
17740         static nor inline.
17741         (noce_try_store_flag_constants, noce_try_addcc,
17742         noce_try_store_flag_mask, noce_try_cmove, noce_try_cmove_arith,
17743         noce_convert_multiple_sets): Use targetm.noce_conversion_profitable_p
17744         instead of noce_conversion_profitable_p.
17745         * config/i386/i386.c: Include ifcvt.h.
17746         (ix86_option_override_internal): Don't override
17747         PARAM_MAX_RTL_IF_CONVERSION_INSNS default.
17748         (ix86_noce_conversion_profitable_p): New function.
17749         (TARGET_NOCE_CONVERSION_PROFITABLE_P): Redefine.
17750         * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): Adjust comment.
17751         * doc/tm.texi.in (TARGET_NOCE_CONVERSION_PROFITABLE_P): Add.
17752         * doc/tm.texi: Regenerated.
17753
17754 2017-04-04  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
17755
17756         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Grammar
17757         correction.
17758
17759 2017-04-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
17760
17761         PR target/80307
17762         * config/arm/arm.c (thumb1_rtx_costs): Give a cost of 32
17763         instructions for small multiply cores.
17764
17765 2017-04-04  Jeff Law  <law@redhat.com>
17766
17767         * config/mips/mips.c (mips_multi_add): Zero initialize the newly
17768         added member.
17769         (mips_expand_vec_perm_const): Initialize elements in orig_perm
17770         that are not set by the loop over the elements.
17771
17772 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
17773
17774         PR target/80286
17775         * config/i386/i386.c (ix86_expand_args_builtin): If op has scalar
17776         int mode, convert_modes it to mode as unsigned, otherwise use
17777         lowpart_subreg to mode rather than SImode.
17778         * config/i386/sse.md (<mask_codefor>ashr<mode>3<mask_name>,
17779         ashr<mode>3, ashr<mode>3<mask_name>, <shift_insn><mode>3<mask_name>):
17780         Use DImode instead of SImode for the shift count operand.
17781         * config/i386/mmx.md (mmx_ashr<mode>3, mmx_<shift_insn><mode>3):
17782         Likewise.
17783
17784 2017-04-04  Richard Biener  <rguenther@suse.de>
17785
17786         PR middle-end/80281
17787         * match.pd (A + (-B) -> A - B): Make sure to preserve unsigned
17788         arithmetic done for the negate or the plus.  Simplify.
17789         (A - (-B) -> A + B): Likewise.
17790         * fold-const.c (split_tree): Make sure to not negate pointers.
17791
17792 2017-04-04  Segher Boessenkool  <segher@kernel.crashing.org>
17793
17794         PR rtl-optimization/60818
17795         * simplify-rtx.c (simplify_binary_operation_1): Do not replace
17796         a compare of comparisons with the thing compared if this results
17797         in a different machine mode.
17798
17799 2017-04-03  Jonathan Wakely  <jwakely@redhat.com>
17800
17801         * alias.c (base_alias_check): Fix typo in comment.
17802         * cgraph.h (class ipa_polymorphic_call_context): Likewise.
17803         * cgraphunit.c (symbol_table::compile): Likewise.
17804         * collect2.c (maybe_run_lto_and_relink): Likewise.
17805         * config/arm/arm.c (arm_thumb1_mi_thunk): Likewise.
17806         * config/avr/avr-arch.h (avr_arch_info_t): Likewise.
17807         * config/avr/avr.c (avr_map_op_t): Likewise.
17808         * config/cr16/cr16.h (DATA_ALIGNMENT): Likewise.
17809         * config/epiphany/epiphany.c (TARGET_ARG_PARTIAL_BYTES): Likewise.
17810         * config/epiphany/epiphany.md (movcc): Likewise.
17811         * config/i386/i386.c (legitimize_pe_coff_extern_decl): Likewise.
17812         * config/m68k/m68k.c (struct _sched_ib, m68k_sched_variable_issue):
17813         Likewise.
17814         * config/mips/mips.c (mips_save_restore_reg): Likewise.
17815         * config/rx/rx.c (rx_is_restricted_memory_address): Likewise.
17816         * config/s390/s390.c (Z10_EARLYLOAD_DISTANCE): Likewise.
17817         * config/sh/sh.c (sh_rtx_costs): Likewise.
17818         * fold-const.c (fold_truth_andor): Likewise.
17819         * genautomata.c (collapse_flag): Likewise.
17820         * gengtype.h (struct type::u::s): Likewise.
17821         * gensupport.c (has_subst_attribute, add_mnemonic_string): Likewise.
17822         * input.c (FORMAT_AMOUNT): Likewise.
17823         * ipa-cp.c (class ipcp_lattice, agg_replacements_to_vector)
17824         (known_aggs_to_agg_replacement_list): Likewise.
17825         * ipa-inline-analysis.c: Likewise.
17826         * ipa-inline.h (estimate_edge_time, estimate_edge_hints): Likewise.
17827         * ipa-polymorphic-call.c
17828         (ipa_polymorphic_call_context::restrict_to_inner_class): Likewise.
17829         * loop-unroll.c (analyze_insn_to_expand_var): Likewise.
17830         * lra.c (lra_optional_reload_pseudos, lra_subreg_reload_pseudos):
17831         Likewise.
17832         * modulo-sched.c (apply_reg_moves): Likewise.
17833         * omp-expand.c (build_omp_regions_1): Likewise.
17834         * trans-mem.c (struct tm_wrapper_hasher): Likewise.
17835         * tree-ssa-loop-ivopts.c (may_eliminate_iv): Likewise.
17836         * tree-ssa-loop-niter.c (maybe_lower_iteration_bound): Likewise.
17837         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
17838         * value-prof.c: Likewise.
17839         * var-tracking.c (val_reset): Likewise.
17840
17841 2017-04-03  Richard Biener  <rguenther@suse.de>
17842
17843         PR tree-optimization/80275
17844         * fold-const.c (split_address_to_core_and_offset): Handle
17845         POINTER_PLUS_EXPR.
17846
17847 2017-04-03  Eric Botcazou  <ebotcazou@adacore.com>
17848
17849         * tree-nested.c (get_descriptor_type): Make sure that the alignment of
17850         descriptors is at least equal to that of functions.
17851
17852 2017-04-02  Uros Bizjak  <ubizjak@gmail.com>
17853
17854         * config/i386/sse.md (movdi_to_sse): Add missing DONE.
17855
17856 2017-04-02  Uros Bizjak  <ubizjak@gmail.com>
17857
17858         PR target/80250
17859         * config/i386/sse.md (mov<IMOD4:mode>): Remove insn pattern.
17860         (mov<IMOD4:mode>): New expander.
17861         (*mov<IMOD4:mode>_internal): New insn and split pattern.
17862
17863 2017-03-31  Segher Boessenkool  <segher@kernel.crashing.org>
17864
17865         PR rtl-optimization/79405
17866         * fwprop.c (propagations_left): New variable.
17867         (forward_propagate_into): Decrement it.
17868         (fwprop_init): Initialize it.
17869         (fw_prop): If the variable has reached zero, stop propagating.
17870         (fwprop_addr): Ditto.
17871
17872 2017-03-31  Jakub Jelinek  <jakub@redhat.com>
17873
17874         PR debug/79255
17875         * dwarf2out.c (decls_for_scope): If BLOCK_NONLOCALIZED_VAR is
17876         a FUNCTION_DECL, pass it as decl instead of origin to
17877         process_scope_var.
17878
17879 2017-03-31  Alexander Monakov  <amonakov@ispras.ru>
17880
17881         * config/nvptx/nvptx.c (nvptx_output_softstack_switch): Correct format
17882         string.
17883
17884 2017-03-31  Pat Haugen  <pthaugen@us.ibm.com>
17885
17886         PR target/80107
17887         * config/rs6000/rs6000.md (extendhi<mode>2): Add test for
17888         TARGET_VSX_SMALL_INTEGER.
17889
17890 2017-03-31  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
17891
17892         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Add
17893         reference to the OpenPOWER 64-Bit ELF V2 ABI Specification.
17894
17895 2017-03-31  Matthew Fortune  <matthew.fortune@imgtec.com>
17896
17897         * config/mips/mips-msa.md (msa_vec_extract_<msafmt_f>): Update
17898         extraction from odd-numbered MSA register.
17899
17900 2017-03-31  Jakub Jelinek  <jakub@redhat.com>
17901
17902         PR middle-end/80173
17903         * expmed.c (store_bit_field_1): Don't attempt to create
17904         a word subreg out of hard registers wider than word if they
17905         have HARD_REGNO_NREGS of 1 for their mode.
17906
17907         PR middle-end/80163
17908         * varasm.c (initializer_constant_valid_p_1): Disallow sign-extending
17909         conversions to integer types wider than word and pointer.
17910
17911         PR debug/80025
17912         * cselib.h (rtx_equal_for_cselib_1): Add depth argument.
17913         (rtx_equal_for_cselib_p): Pass 0 to it.
17914         * cselib.c (cselib_hasher::equal): Likewise.
17915         (rtx_equal_for_cselib_1): Add depth argument.  If depth
17916         is 128, don't look up VALUE locs and punt.  Increment
17917         depth in recursive calls when walking VALUE locs.
17918
17919 2017-03-31  Bernd Edlinger  <bernd.edlinger@hotmail.de>
17920
17921         * gcov.c (md5sum_to_hex): Fix output of MD5 hex bytes.
17922         (make_gcov_file_name): Use the canonical path name for generating
17923         the MD5 value.
17924         (read_line): Fix handling of files with ascii null bytes.
17925
17926 2017-03-30  Matthew Fortune  <matthew.fortune@imgtec.com>
17927
17928         * config/mips/mips.c (mips_expand_vector_init): Create a const_vector
17929         to initialise a vector register instead
17930         of using a const_int.
17931
17932 2017-03-30  Jakub Jelinek  <jakub@redhat.com>
17933
17934         PR translation/80189
17935         * gimplify.c (omp_default_clause): Use %qs instead of %s in
17936         diagnostic messages.
17937
17938 2017-03-30  Peter Bergner  <bergner@vnet.ibm.com>
17939
17940         PR target/80246
17941         * config/rs6000/dfp.md (dfp_dxex_<mode>): Update mode of operand 0.
17942         (dfp_diex_<mode>): Update mode of operand 1.
17943         * doc/extend.texi (dxex, dxexq): Document change to return type.
17944         (diex, diexq): Document change to argument type.
17945
17946 2017-03-30  Martin Jambor  <mjambor@suse.cz>
17947
17948         PR ipa/77333
17949         * cgraph.h (cgraph_build_function_type_skip_args): Declare.
17950         * cgraph.c (redirect_call_stmt_to_callee): Set gimple fntype so that
17951         it reflects the signature changes performed at the callee side.
17952         * cgraphclones.c (build_function_type_skip_args): Make public, renamed
17953         to cgraph_build_function_type_skip_args.
17954         (build_function_decl_skip_args): Adjust call to the above function.
17955
17956 2017-03-30  Jakub Jelinek  <jakub@redhat.com>
17957
17958         PR target/80206
17959         * config/i386/sse.md
17960         (<extract_type>_vextract<shuffletype><extract_suf>_mask): Use
17961         register as dest whenever it is a MEM not rtx_equal_p to the
17962         corresponding dup operand, and when forcing into reg move the
17963         reg into the memory afterwards.
17964         (<extract_type_2>_vextract<shuffletype><extract_suf_2>_mask):
17965         Likewise.  Use <ssehalfvecmode> instead of <ssequartermode>
17966         for the force_reg mode.
17967         (avx512vl_vextractf128<mode>): Use register as dest either
17968         always when a MEM, or when it is a MEM not rtx_equal_p to the
17969         corresponding dup operand, or even not when it is a CONST_VECTOR
17970         depending on the mode and lo vs. hi.
17971         (avx512dq_vextract<shuffletype>64x2_1_maskm): Remove extraneous
17972         parens.
17973         (avx512f_vextract<shuffletype>32x4_1_maskm): Likewise.
17974         (<mask_codefor>avx512dq_vextract<shuffletype>64x2_1<mask_name>):
17975         Likewise.  Require that operands[2] is even.
17976         (<mask_codefor>avx512f_vextract<shuffletype>32x4_1<mask_name>):
17977         Remove extraneous parens.  Require that operands[2] is a multiple
17978         of 4.
17979         (vec_extract_lo_<mode><mask_name>): Don't bother testing if
17980         operands[0] is a MEM if <mask_applied>, the predicates/constraints
17981         disallow memory then.
17982
17983 2017-03-30  Richard Biener  <rguenther@suse.de>
17984
17985         PR tree-optimization/77498
17986         * tree-ssa-pre.c (phi_translate_1): Do not allow simplifications
17987         to non-constants over backedges.
17988
17989 2017-03-29  Segher Boessenkool  <segher@kernel.crashing.org>
17990
17991         PR rtl-optimization/80233
17992         * combine.c (combine_instructions): Only take NONDEBUG_INSN_P insns
17993         as last_combined_insn.  Do not test for BARRIER_P separately.
17994
17995 2017-03-29  Andreas Schwab  <schwab@suse.de>
17996
17997         PR ada/80146
17998         * calls.c (prepare_call_address): Convert funexp to Pmode before
17999         copying to temp reg.
18000
18001 2017-03-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
18002
18003         PR tree-optimization/80158
18004         * gimple-ssa-strength-reduction.c (replace_mult_candidate):
18005         Handle possible future case of more than one alternate
18006         interpretation.
18007         (replace_rhs_if_not_dup): Likewise.
18008         (replace_one_candidate): Likewise.
18009
18010 2017-03-28  Vladimir Makarov  <vmakarov@redhat.com>
18011
18012         PR rtl-optimization/80193
18013         * ira.c (ira): Do not check allocation for LRA.
18014
18015 2017-03-28  Alexander Monakov  <amonakov@ispras.ru>
18016
18017         * config/nvptx/nvptx-protos.h (nvptx_output_simt_enter): Declare.
18018         (nvptx_output_simt_exit): Declare.
18019         * config/nvptx/nvptx.c (nvptx_init_unisimt_predicate): Use
18020         cfun->machine->unisimt_location.  Handle NULL unisimt_predicate.
18021         (init_softstack_frame): Move initialization of crtl->is_leaf to...
18022         (nvptx_declare_function_name): ...here.  Emit declaration of local
18023         memory space buffer for omp_simt_enter insn.
18024         (nvptx_output_unisimt_switch): New.
18025         (nvptx_output_softstack_switch): New.
18026         (nvptx_output_simt_enter): New.
18027         (nvptx_output_simt_exit): New.
18028         * config/nvptx/nvptx.h (struct machine_function): New fields
18029         has_simtreg, unisimt_location, simt_stack_size, simt_stack_align.
18030         * config/nvptx/nvptx.md (UNSPECV_SIMT_ENTER): New unspec.
18031         (UNSPECV_SIMT_EXIT): Ditto.
18032         (omp_simt_enter_insn): New insn.
18033         (omp_simt_enter): New expansion.
18034         (omp_simt_exit): New insn.
18035         * config/nvptx/nvptx.opt (msoft-stack-reserve-local): New option.
18036
18037         * internal-fn.c (expand_GOMP_SIMT_ENTER): New.
18038         (expand_GOMP_SIMT_ENTER_ALLOC): New.
18039         (expand_GOMP_SIMT_EXIT): New.
18040         * internal-fn.def (GOMP_SIMT_ENTER): New internal function.
18041         (GOMP_SIMT_ENTER_ALLOC): Ditto.
18042         (GOMP_SIMT_EXIT): Ditto.
18043         * target-insns.def (omp_simt_enter): New insn.
18044         (omp_simt_exit): Ditto.
18045         * omp-low.c (struct omplow_simd_context): New fields simt_eargs,
18046         simt_dlist.
18047         (lower_rec_simd_input_clauses): Implement SIMT privatization.
18048         (lower_rec_input_clauses): Likewise.
18049         (lower_lastprivate_clauses): Handle SIMT privatization.
18050
18051         * omp-offload.c: Include langhooks.h, tree-nested.h, stor-layout.h.
18052         (ompdevlow_adjust_simt_enter): New.
18053         (find_simtpriv_var_op): New.
18054         (execute_omp_device_lower): Handle IFN_GOMP_SIMT_ENTER,
18055         IFN_GOMP_SIMT_ENTER_ALLOC, IFN_GOMP_SIMT_EXIT.
18056
18057         * tree-inline.h (struct copy_body_data): New field dst_simt_vars.
18058         * tree-inline.c (expand_call_inline): Handle SIMT privatization.
18059         (copy_decl_for_dup_finish): Ditto.
18060
18061         * tree-ssa.c (execute_update_addresses_taken): Handle GOMP_SIMT_ENTER.
18062
18063 2017-03-28  Uros Bizjak  <ubizjak@gmail.com>
18064
18065         PR target/53383
18066         * config/i386/i386.c (ix86_option_override_internal): Always
18067         allow -mpreferred-stack-boundary=3 for 64-bit targets.
18068
18069 2017-03-28  Bin Cheng  <bin.cheng@arm.com>
18070
18071         * tree-vect-loop.c (optimize_mask_stores): Add bb to the right loop.
18072
18073 2017-03-28  Bin Cheng  <bin.cheng@arm.com>
18074
18075         * tree-vect-loop-manip.c (slpeel_add_loop_guard): New param and
18076         mark new edge's irreducible flag accordign to it.
18077         (vect_do_peeling): Check loop preheader edge's irreducible flag
18078         and pass it to function slpeel_add_loop_guard.
18079
18080 2017-03-28  Richard Sandiford  <richard.sandiford@arm.com>
18081
18082         PR tree-optimization/80218
18083         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
18084         Update block frequencies and counts.
18085
18086 2017-03-28  Richard Biener  <rguenther@suse.de>
18087
18088         PR tree-optimization/78644
18089         * tree-ssa-ccp.c (evaluate_stmt): When we may not use the value
18090         of a simplification result we may not use it at all.
18091
18092 2017-03-28  Richard Biener  <rguenther@suse.de>
18093
18094         PR ipa/80205
18095         * tree-inline.c (copy_phis_for_bb): Do not create PHI node
18096         without arguments, generate default definition of a SSA name.
18097
18098 2017-03-28  Richard Biener  <rguenther@suse.de>
18099
18100         PR middle-end/80222
18101         * gimple-fold.c (gimple_fold_indirect_ref): Do not touch
18102         TYPE_REF_CAN_ALIAS_ALL references.
18103         * fold-const.c (fold_indirect_ref_1): Likewise.
18104
18105 2017-03-28  Martin Liska  <mliska@suse.cz>
18106
18107         PR ipa/80104
18108         * cgraphunit.c (cgraph_node::expand_thunk): Mark argument of a
18109         thunk call as DECL_GIMPLE_REG_P when vector or complex type.
18110
18111 2017-03-28  Claudiu Zissulescu  <claziss@synopsys.com>
18112             Thomas Petazzoni  <thomas.petazzoni@free-electrons.com>
18113
18114         * config/arc/arc.h (CPP_SPEC): Add subtarget_cpp_spec.
18115         (EXTRA_SPECS): Define.
18116         (SUBTARGET_EXTRA_SPECS): Likewise.
18117         (SUBTARGET_CPP_SPEC): Likewise.
18118         * config/arc/elf.h (EXTRA_SPECS): Renamed to
18119         SUBTARGET_EXTRA_SPECS.
18120         * config/arc/linux.h (SUBTARGET_CPP_SPEC): Define.
18121
18122 2017-03-28  Claudiu Zissulescu  <claziss@synopsys.com>
18123
18124         * config/arc/simdext.md (vst64_insn): Update pattern.
18125         (vld32wh_insn): Likewise.
18126         (vld32wl_insn): Likewise.
18127         (vld64_insn): Likewise.
18128         (vld32_insn): Likewise.
18129
18130 2017-03-28  Marek Polacek  <polacek@redhat.com>
18131
18132         PR sanitizer/80067
18133         * fold-const.c (fold_comparison): Use protected_set_expr_location
18134         instead of SET_EXPR_LOCATION.
18135
18136 2017-03-28  Markus Trippelsdorf  <markus@trippelsdorf.de>
18137
18138         * tree.c (add_expr): Avoid name lookup warning.
18139
18140 2017-03-27  Jeff Law  <law@redhat.com>
18141
18142         PR tree-optimization/80216
18143         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Fix typo in
18144         function name.  Limit recursion depth.
18145         (record_temporary_equivalences): Corresponding changes.
18146
18147 2017-03-27  Jonathan Wakely  <jwakely@redhat.com>
18148
18149         * doc/invoke.texi (-Wno-narrowing): Reorder so default behavior is
18150         covered first.
18151
18152 2017-03-27  Jakub Jelinek  <jakub@redhat.com>
18153
18154         PR target/80102
18155         * reg-notes.def (REG_CFA_NOTE): Define.  Use it for CFA related
18156         notes.
18157         * cfgcleanup.c (reg_note_cfa_p): New array.
18158         (insns_have_identical_cfa_notes): New function.
18159         (old_insns_match_p): Don't cross-jump in between /f
18160         and non-/f instructions.  If both i1 and i2 are frame related,
18161         verify all CFA notes, their order and content.
18162
18163 2017-03-27  Michael Meissner  <meissner@linux.vnet.ibm.com>
18164
18165         PR target/78543
18166         * config/rs6000/rs6000.md (bswaphi2_extenddi): Combine bswap
18167         HImode and SImode with zero extend to DImode to one insn.
18168         (bswap<mode>2_extenddi): Likewise.
18169         (bswapsi2_extenddi): Likewise.
18170         (bswaphi2_extendsi): Likewise.
18171         (bswaphi2): Combine bswap HImode and SImode into one insn.
18172         Separate memory insns from swapping register.
18173         (bswapsi2): Likewise.
18174         (bswap<mode>2): Likewise.
18175         (bswaphi2_internal): Delete, no longer used.
18176         (bswapsi2_internal): Likewise.
18177         (bswap<mode>2_load): Split bswap HImode/SImode into separate load,
18178         store, and gpr<-gpr swap insns.
18179         (bswap<mode>2_store): Likewise.
18180         (bswaphi2_reg): Register only splitter, combine with the splitter.
18181         (bswaphi2 splitter): Likewise.
18182         (bswapsi2_reg): Likewise.
18183         (bswapsi2 splitter): Likewise.
18184         (bswapdi2): If we have the LDBRX and STDBRX instructions, split
18185         the insns into load, store, and register/register insns.
18186         (bswapdi2_ldbrx): Likewise.
18187         (bswapdi2_load): Likewise.
18188         (bswapdi2_store): Likewise.
18189         (bswapdi2_reg): Likewise.
18190
18191 2017-03-27  Gunther Nikl  <gnikl@users.sourceforge.net>
18192
18193         * system.h (HAVE_DESIGNATED_INITIALIZERS): Fix non C++ case.
18194         (HAVE_DESIGNATED_UNION_INITIALIZERS): Likewise.
18195
18196 2017-03-27  Kelvin Nilsen  <kelvin@gcc.gnu.org>
18197
18198         PR target/80103
18199         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Edit and
18200         add comments.
18201         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
18202         special handling for target option conflicts between dform
18203         options (-mpower9-dform, -mpower9-dform-vector,
18204         -mpower9-dform-scalar) and -mno-direct-move.
18205
18206 2017-03-27  Richard Biener  <rguenther@suse.de>
18207
18208         PR tree-optimization/80181
18209         * tree-ssa-ccp.c (likely_value): UNDEFINED ^ X is UNDEFINED.
18210
18211 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
18212
18213         * config/arc/predicates.md (move_double_src_operand): Replace the
18214         call to move_double_src_operand with a call to address_operand.
18215
18216 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
18217
18218         * config/arc/elf.h (ARGET_ARC_TP_REGNO_DEFAULT): Define.
18219         * config/arc/linux.h (ARGET_ARC_TP_REGNO_DEFAULT): Likewise.
18220         * config/arc/arc.opt (mtp-regno): Use ARGET_ARC_TP_REGNO_DEFAULT.
18221
18222 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
18223
18224         * config/arc/predicates.md (long_immediate_loadstore_operand):
18225         Consider scaled addresses cases.
18226
18227 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
18228
18229         * config/arc/arc.c (arc_epilogue_uses): BLINK should be also
18230         restored when in interrupt.
18231         * config/arc/arc.md (simple_return): ARCv2 rtie instruction
18232         doesn't have delay slot.
18233
18234 2017-03-27  Richard Biener  <rguenther@suse.de>
18235
18236         PR ipa/79776
18237         * tree-ssa-structalias.c (associate_varinfo_to_alias): Skip
18238         inlined thunk clones.
18239
18240 2017-03-27  Jakub Jelinek  <jakub@redhat.com>
18241
18242         PR sanitizer/80168
18243         * asan.c (instrument_derefs): Copy over last operand from
18244         original COMPONENT_REF to the new COMPONENT_REF with
18245         DECL_BIT_FIELD_REPRESENTATIVE.
18246         * ubsan.c (instrument_object_size): Likewise.
18247
18248 2017-03-27  Richard Biener  <rguenther@suse.de>
18249
18250         PR tree-optimization/80170
18251         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Make
18252         sure DR/SCEV didnt fold in constants we do not see when looking
18253         at the reference base alignment.
18254
18255 2017-03-27  Richard Biener  <rguenther@suse.de>
18256
18257         PR middle-end/80171
18258         * gimple-fold.c (fold_ctor_reference): Properly guard against
18259         NULL return value from canonicalize_constructor_val.
18260
18261 2017-03-25  Uros Bizjak  <ubizjak@gmail.com>
18262
18263         PR target/80180
18264         * config/i386/i386.c (ix86_expand_builtin)
18265         <IX86_BUILTIN_RDSEED{16,32,64}_STEP>: Do not expand arg0 between
18266         flags reg setting and flags reg using instructions.
18267         <IX86_BUILTIN_RDRAND{16,32,64}_STEP>: Ditto.  Use non-flags reg
18268         clobbering instructions to zero extend op2.
18269
18270 2017-03-25  Gerald Pfeifer  <gerald@pfeifer.com>
18271
18272         * doc/install.texi (Configuration) <--with-aix-soname>:
18273         Update link to AIX ld.
18274
18275 2017-03-25  Bernd Schmidt  <bschmidt@redhat.com>
18276
18277         PR rtl-optimization/80160
18278         PR rtl-optimization/80159
18279         * lra-assigns.c (must_not_spill_p): Tighten new test to also take
18280         reg_alternate_class into account.
18281
18282 2017-03-24  Vladimir Makarov  <vmakarov@redhat.com>
18283
18284         PR target/80148
18285         * lra-assigns.c (assign_by_spills): Add spilled non-reload pseudos
18286         to consider in curr_insn_transform.
18287
18288 2017-03-24  Jakub Jelinek  <jakub@redhat.com>
18289
18290         * genrecog.c (validate_pattern): Add VEC_SELECT validation.
18291         * genmodes.c (emit_min_insn_modes_c): Call emit_mode_nunits
18292         and emit_mode_inner.
18293
18294 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
18295
18296         * config/s390/s390-builtins.def: Add VXE builtins.  Add a flags
18297         argument to the overloaded builtin variants.  Use the new flag to
18298         deprecate certain builtin variants.
18299         * config/s390/s390-builtin-types.def: Add new builtin types.
18300         * config/s390/s390-builtins.h: Support new flags field for
18301         overloaded builtins.
18302         * config/s390/s390-c.c (OB_DEF_VAR): New flags field.
18303         (s390_macro_to_expand): Enable vector float data type.
18304         (s390_cpu_cpp_builtins_internal): Indicate support of the new
18305         builtins by incrementing the __VEC__ version number.
18306         (s390_expand_overloaded_builtin): Support expansion of vec_xl and
18307         vec_xst.
18308         (s390_resolve_overloaded_builtin): Emit error messages depending
18309         on the builtin flags.
18310         * config/s390/s390.c (s390_expand_builtin): Support additional
18311         flags argument.  Change error message to match the messages
18312         emitted in s390-c.c.
18313         * config/s390/s390.md: New UNSPEC_* constants.
18314         (op_type): Add new instruction types.
18315         * config/s390/vecintrin.h: Add new builtins and test data class
18316         constants.
18317         * config/s390/vx-builtins.md (V_HW_32_64): Add V4SF.
18318         (V_HW_4, VEC_HW, VECF_HW): New mode iterators.
18319         (VEC_INEXACT, VEC_NOINEXACT): New constants.
18320         ("vec_splats<mode>", "vec_insert<mode>", "vec_promote<mode>")
18321         ("vec_insert_and_zero<mode>", "vec_mergeh<mode>")
18322         ("vec_mergel<mode>"): V_HW -> VEC_HW.
18323
18324         ("vlrlrv16qi", "vstrlrv16qi", "vbpermv16qi", "vec_msumv2di")
18325         ("vmslg", "*vftci<mode>_cconly", "vftci<mode>_intcconly")
18326         ("*vftci<mode>", "vftci<mode>_intcc", "vec_double_s64")
18327         ("vec_double_u64", "vfmin<mode>", "vfmax<mode>"): New definition.
18328
18329         ("and_av2df3", "and_cv2df3", "vec_andc_av2df3")
18330         ("vec_andc_cv2df3", "xor_av2df3", "xor_cv2df3", "vec_nor_av2df3")
18331         ("vec_nor_cv2df3", "ior_av2df3", "ior_cv2df3", "vec_nabs")
18332         ("*vftcidb", "*vftcidb_cconly", "vftcidb"): Remove definition.
18333
18334         ("vec_all_<fpcmpcc:code>v2df", "vec_any_<fpcmpcc:code>v2df")
18335         ("vec_scatter_elementv4si_DI", "vec_cmp<fpcmp:code>v2df")
18336         ("vec_di_to_df_s64", "vec_di_to_df_u64", "vec_df_to_di_u64")
18337         ("vfidb", "*vldeb", "*vledb", "*vec_cmp<insn_cmp>v2df_cconly")
18338         ("vec_cmpeqv2df_cc", "vec_cmpeqv2df_cc", "vec_cmphv2df_cc")
18339         ("vec_cmphev2df_cc", "*vec_cmpeqv2df_cc")
18340         ("*vec_cmphv2df_cc", "*vec_cmphev2df_cc"): Enable new modes as ...
18341
18342         ("vec_all_<fpcmpcc:code><mode>", "vec_any_<fpcmpcc:code><mode>")
18343         ("vec_scatter_element<V_HW_4:mode>_DI")
18344         ("vec_cmp<fpcmp:code><mode>", "vcdgb", "vcdlgb", "vclgdb")
18345         ("vec_fpint<mode>", "vflls")
18346         ("vflrd", "*vec_cmp<insn_cmp><mode>_cconly", "vec_cmpeq<mode>_cc")
18347         ("vec_cmpeq<mode>_cc", "vec_cmph<mode>_cc", "vec_cmphe<mode>_cc")
18348         ("*vec_cmpeq<mode>_cc", "*vec_cmph<mode>_cc")
18349         ("*vec_cmphe<mode>_cc"): ... these.
18350
18351         ("vec_ctd_s64", "vec_ctsl", "vec_ctul", "vec_st2f"): Use rounding
18352         mode constant instead of magic value.
18353
18354 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
18355
18356         * config/s390/s390.c (s390_expand_vec_compare): Support other
18357         vector floating point modes than just V2DF.
18358         (s390_expand_vcond): Likewise.
18359         (s390_hard_regno_mode_ok): Allow SFmode values in VRs.
18360         (s390_cannot_change_mode_class): Prevent mode changes between TF
18361         and V1TF in vector registers.
18362         * config/s390/s390.md (DF, SF): New mode attributes.
18363         ("*cmp<mode>_ccs", "add<mode>3", "sub<mode>3", "mul<mode>3")
18364         ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2"): Add
18365         SFmode support for VRs.
18366         * config/s390/vector.md (V_HW, V_HW2, VT_HW, ti*, nonvec): Add new
18367         vector fp modes.
18368         (VFT, VF_HW): New mode iterators.
18369         (vw, sdx): New mode attributes.
18370         ("addv2df3", "subv2df3", "mulv2df3", "divv2df3", "sqrtv2df2")
18371         ("fmav2df4","fmsv2df4", "negv2df2", "absv2df2", "*negabsv2df2")
18372         ("smaxv2df3", "sminv2df3", "*vec_cmp<VFCMP_HW_OP:code>v2df_nocc")
18373         ("vec_cmpuneqv2df", "vec_cmpltgtv2df", "vec_orderedv2df")
18374         ("vec_unorderedv2df"): Adjust the v2df only patterns to support
18375         also the new vector floating point modes.  Renaming to ...
18376
18377         ("add<mode>3", "sub<mode>3", "mul<mode>3", "div<mode>3")
18378         ("sqrt<mode>2", "fma<mode>4", "fms<mode>4", "neg<mode>2")
18379         ("abs<mode>2", "negabs<mode>2", "smax<mode>3")
18380         ("smin<mode>3", "*vec_cmp<VFCMP_HW_OP:code><mode>_nocc")
18381         ("vec_cmpuneq<mode>", "vec_cmpltgt<mode>", "vec_ordered<mode>")
18382         ("vec_unordered<mode>"): ... these.
18383
18384         ("neg_fma<mode>4", "neg_fms<mode>4", "*smax<mode>3_vxe")
18385         ("*smin<mode>3_vxe", "*sminv2df3_vx", "*vec_extendv4sf")
18386         ("*vec_extendv2df"): New insn definitions.
18387
18388 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
18389
18390         * config/s390/s390.md ("*adddi3_sign", "*subdi3_sign", "mulditi3")
18391         ("mulditi3_2", "*muldi3_sign"): New patterns.
18392         ("muldi3", "*muldi3", "mulsi3", "*mulsi3"): Add an expander and
18393         rename the pattern definition.
18394
18395 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
18396
18397         * config/s390/s390.md ("indirect_jump"): Turn insn definition into
18398         expander.
18399         ("*indirect_jump", "*indirect2_jump"): New pattern definitions.
18400
18401 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
18402
18403         * config/s390/s390.c (s390_expand_vec_init): Use vllezl
18404         instruction if possible.
18405         * config/s390/vector.md (vec_halfnumelts): New mode
18406         attribute.
18407         ("*vec_vllezlf<mode>"): New pattern.
18408
18409 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
18410
18411         * config/s390/vector.md ("popcountv16qi2", "popcountv8hi2")
18412         ("popcountv4si2", "popcountv2di2"): Rename to ...
18413         ("popcount<mode>2", "popcountv8hi2_vx", "popcountv4si2_vx")
18414         ("popcountv2di2_vx"): ... these and add !TARGET_VXE to the
18415         condition.
18416         ("popcount<mode>2_vxe"): New pattern.
18417
18418 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
18419
18420         * common/config/s390/s390-common.c (processor_flags_table): Add
18421         arch12.
18422         * config.gcc: Add arch12.
18423         * config/s390/driver-native.c (s390_host_detect_local_cpu):
18424         Default to arch12 for unknown CPU model numbers.
18425         * config/s390/s390-builtins.def: Add B_VXE builtin flag.
18426         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Adjust
18427         PROCESSOR_max sanity check.
18428         * config/s390/s390-opts.h (enum processor_type): Add
18429         PROCESSOR_ARCH12.
18430         * config/s390/s390.c (processor_table): Add arch12.
18431         (s390_expand_builtin): Add check for B_VXE flag.
18432         (s390_issue_rate): Add PROCESSOR_ARCH12.
18433         (s390_get_sched_attrmask): Likewise.
18434         (s390_get_unit_mask): Likewise.
18435         (s390_sched_score): Enable z13 scheduling for arch12.
18436         (s390_sched_reorder): Likewise.
18437         (s390_sched_variable_issue): Likewise.
18438         * config/s390/s390.h (enum processor_flags): Add PF_ARCH12 and
18439         PF_VXE.
18440         (s390_tune_attr): Use z13 scheduling also for arch12.
18441         (TARGET_CPU_ARCH12, TARGET_CPU_ARCH12_P, TARGET_CPU_VXE)
18442         (TARGET_CPU_VXE_P, TARGET_ARCH12, TARGET_ARCH12_P, TARGET_VXE)
18443         (TARGET_VXE_P): New macros.
18444         * config/s390/s390.md: Add arch12 to cpu attribute.  Add arch12
18445         and vxe to cpu_facility.  Add arch12 and vxe to enabled attribute.
18446         * config/s390/s390.opt: Add arch12 as processor_type.
18447
18448 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
18449
18450         * config/s390/s390.md
18451         ("fixuns_truncdddi2", "fixuns_trunctddi2")
18452         ("fixuns_trunc<BFP:mode><GPR:mode>2"): Merge into ...
18453         ("fixuns_trunc<FP:mode><GPR:mode>2"): New expander.
18454
18455         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2"):
18456         Rename expanders to ...
18457
18458         ("fixuns_trunc<BFP:mode><GPR:mode>2_emu")
18459         ("fixuns_truncdddi2_emu"): ... these.
18460
18461         ("fixuns_trunc<mode>si2_emu"): New expander.
18462
18463         ("*fixuns_truncdfdi2_z13"): Rename to ...
18464         ("*fixuns_truncdfdi2_vx"): ... this.
18465
18466 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
18467
18468         * config/s390/2964.md: Remove the single element vector compare
18469         instructions which are no longer used.
18470         * config/s390/s390.c (s390_select_ccmode): Remove handling of
18471         vector CCmodes.
18472         (s390_canonicalize_comparison): Remove handling of DFmode
18473         compares.
18474         (s390_expand_vec_compare_scalar): Remove function.
18475         (s390_emit_compare): Don't call s390_expand_vec_compare_scalar.
18476         * config/s390/s390.md ("*vec_cmp<insn_cmp>df_cconly"): Remove
18477         pattern.
18478         ("*cmp<mode>_ccs"): Add wfcdb instruction.
18479
18480 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
18481
18482         * config/s390/s390.md ("mov<mode>_64dfp" DD_DF): Use vleig for loading a
18483         FP zero.
18484         ("*mov<mode>_64" DD_DF): Remove the vector instructions. These
18485         will anyway by matched by mov<mode>_64dfp.
18486
18487 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
18488
18489         * config/s390/s390.md ("mov<mode>" SD_SF): Change vleg/vsteg to
18490         vlef/vstef.  Add missing operand to vleif.
18491
18492 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
18493
18494         * config/s390/s390.c (s390_expand_vec_init): Enable vector load
18495         pair for all vector types with 64 bit elements.
18496         * config/s390/vx-builtins.md (V_HW_64): Move mode iterator to ...
18497         * config/s390/vector.md (V_HW_64): ... here.
18498         (V_128_NOSINGLE): New mode iterator.
18499         ("vec_init<V_HW:mode>"): Use V_128 as mode iterator.
18500         ("*vec_splat<mode>"): Use V_128_NOSINGLE mode iterator.
18501         ("*vec_tf_to_v1tf", "*vec_ti_to_v1ti"): New pattern definitions.
18502         ("*vec_load_pairv2di"): Change to ...
18503         ("*vec_load_pair<mode>"): ... this one.
18504
18505 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
18506
18507         * config/s390/constraints.md: Add comments.
18508         (jKK): Reject element sizes > 8 bytes.
18509         * config/s390/s390.c (s390_split_ok_p): Enable splitting also for
18510         s_operands.
18511         * config/s390/s390.md: Add the s_operand checks formerly in
18512         s390_split_ok_p to various splitters where they are still
18513         required.
18514         * config/s390/vector.md ("mov<mode>" V_128): Add GPR alternatives
18515         for 128 bit vectors.  Plus two splitters.
18516
18517 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
18518
18519         * config/s390/s390.md: Rename the cpu facilty vec to vx throughout
18520         the file.
18521
18522 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
18523
18524         PR target/79893
18525         * config/s390/s390-c.c (s390_adjust_builtin_arglist): Issue an
18526         error if the boundary argument is not constant.
18527
18528 2017-03-24  Jakub Jelinek  <jakub@redhat.com>
18529
18530         PR rtl-optimization/80112
18531         * loop-doloop.c (doloop_condition_get): Don't check condition
18532         if cmp isn't SET with IF_THEN_ELSE src.
18533
18534 2017-03-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
18535
18536         PR tree-optimization/80158
18537         * gimple-ssa-strength-reduction.c (replace_mult_candidate): When
18538         replacing a candidate statement, also replace it for the
18539         candidate's alternate interpretation.
18540         (replace_rhs_if_not_dup): Likewise.
18541         (replace_one_candidate): Likewise.
18542
18543 2017-03-24  Richard Biener  <rguenther@suse.de>
18544
18545         PR tree-optimization/80167
18546         * graphite-isl-ast-to-gimple.c
18547         (translate_isl_ast_to_gimple::is_valid_rename): Handle default-defs
18548         properly.
18549         (translate_isl_ast_to_gimple::get_rename): Likewise.
18550
18551 2017-03-23  Kelvin Nilsen  <kelvin@gcc.gnu.org>
18552
18553         * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
18554         handling of certain combinations of target options, including the
18555         combinations -mpower8-vector vs. -mno-vsx, -mpower9-vector vs.
18556         -mno-power8-vector, and -mpower9_dform vs. -mno-power9-vector.
18557
18558 2017-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
18559
18560         PR target/71436
18561         * config/arm/arm.md (*load_multiple): Add reload_completed to
18562         matching condition.
18563
18564 2017-03-23  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
18565             Richard Biener  <rguenth@suse.de>
18566
18567         PR tree-optimization/79908
18568         PR tree-optimization/80136
18569         * tree-stdarg.c (expand_ifn_va_arg_1): For a VA_ARG whose LHS has
18570         been cast away, gimplify_and_add suffices.
18571
18572 2017-03-23  Markus Trippelsdorf  <markus@trippelsdorf.de>
18573
18574         * tree-vrp.c (identify_jump_threads): Delete avail_exprs.
18575
18576 2017-03-23  Richard Biener  <rguenther@suse.de>
18577
18578         PR tree-optimization/80032
18579         * gimplify.c (gimple_push_cleanup): Forced unconditional
18580         cleanups still have to go to the conditional_cleanups
18581         sequence.
18582
18583 2017-03-22  Jakub Jelinek  <jakub@redhat.com>
18584
18585         PR tree-optimization/80072
18586         * tree-ssa-reassoc.c (struct operand_entry): Change id field type
18587         to unsigned int.
18588         (next_operand_entry_id): Change type to unsigned int.
18589         (sort_by_operand_rank): Make sure to return the right return value
18590         even if unsigned fields are bigger than INT_MAX.
18591         (struct oecount): Change cnt and id type to unsigned int.
18592         (oecount_hasher::equal): Formatting fix.
18593         (oecount_cmp): Make sure to return the right return value
18594         even if unsigned fields are bigger than INT_MAX.
18595         (undistribute_ops_list): Change next_oecount_id type to unsigned int.
18596
18597         PR c++/80129
18598         * gimplify.c (gimplify_modify_expr_rhs) <case COND_EXPR>: Clear
18599         TREE_READONLY on result if writing it more than once.
18600
18601         PR sanitizer/80110
18602         * doc/invoke.texi (-fsanitize=thread): Document that with
18603         -fnon-call-exceptions atomics are not able to throw
18604         exceptions.
18605
18606         PR sanitizer/80110
18607         * tsan.c: Include tree-eh.h.
18608         (instrument_builtin_call): Call maybe_clean_eh_stmt or
18609         maybe_clean_or_replace_eh_stmt where needed.
18610         (instrument_memory_accesses): Add cfg_changed argument.
18611         Call gimple_purge_dead_eh_edges on each block and set *cfg_changed
18612         if it returned true.
18613         (tsan_pass): Adjust caller.  Return TODO_cleanup_cfg if cfg_changed.
18614
18615         PR rtl-optimization/63191
18616         * config/i386/i386.c (ix86_delegitimize_address): Turn into small
18617         wrapper function, moved the whole old content into ...
18618         (ix86_delegitimize_address_1): ... this.  New inline function.
18619         (ix86_find_base_term): Use ix86_delegitimize_address_1 with
18620         true as last argument instead of ix86_delegitimize_address.
18621
18622 2017-03-22  Wilco Dijkstra  <wdijkstr@arm.com>
18623
18624         * config/aarch64/aarch64.c (generic_branch_cost): Copy
18625         cortexa57_branch_cost.
18626
18627 2017-03-22  Wilco Dijkstra  <wdijkstr@arm.com>
18628
18629         * config/aarch64/aarch64.c (generic_tunings): Add AES fusion.
18630
18631 2017-03-21  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
18632
18633         PR target/80123
18634         * doc/md.texi (Constraints): Document wA constraint.
18635         * config/rs6000/constraints.md (wA): New.
18636         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add wA reg_class.
18637         (rs6000_init_hard_regno_mode_ok): Init wA constraint.
18638         * config/rs6000/rs6000.h (RS6000_CONSTRAINT_wA): New.
18639         * config/rs6000/vsx.md (vsx_splat_<mode>): Use wA constraint.
18640
18641 2017-03-22  Cesar Philippidis  <cesar@codesourcery.com>
18642
18643         PR c++/80029
18644         * gimplify.c (is_oacc_declared): New function.
18645         (oacc_default_clause): Use it to set default flags for acc declared
18646         variables inside parallel regions.
18647         (gimplify_scan_omp_clauses): Strip firstprivate pointers for acc
18648         declared variables.
18649         (gimplify_oacc_declare): Gimplify the declare clauses.  Add the
18650         declare attribute to any decl as necessary.
18651
18652 2017-03-22  Thomas Preud'homme  <thomas.preudhomme@arm.com>
18653
18654         PR target/80082
18655         * config/arm/arm-isa.h (isa_bit_lpae): New feature bit.
18656         (ISA_ARMv7ve): Add isa_bit_lpae to the definition.
18657         * config/arm/arm-protos.h (arm_arch7ve): Rename into ...
18658         (arm_arch_lpae): This.
18659         * config/arm/arm.c (arm_arch7ve): Rename into ...
18660         (arm_arch_lpae): This.  Define it in term of isa_bit_lpae.
18661         * config/arm/arm.h (TARGET_HAVE_LPAE): Redefine in term of
18662         arm_arch_lpae.
18663
18664 2017-03-22  Martin Liska  <mliska@suse.cz>
18665
18666         PR target/79906
18667         * config/rs6000/rs6000.c (rs6000_inner_target_options): Show
18668         error message instead of an ICE.
18669
18670 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
18671
18672         * doc/extend.texi (6.11 Additional Floating Types): Revise.
18673
18674 2017-03-21  Kelvin Nilsen  <kelvin@gcc.gnu.org>
18675
18676         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Add
18677         comments.
18678         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
18679         comments.
18680
18681 2017-03-21  Martin Sebor  <msebor@redhat.com>
18682
18683         * doc/extend.texi: Use "cannot" instead of "can't."
18684         * doc/hostconfig.texi: Same.
18685         * doc/install.texi: Same.
18686         * doc/invoke.texi: Same.
18687         * doc/loop.texi: Same.
18688         * doc/md.texi: Same.
18689         * doc/objc.texi: Same.
18690         * doc/rtl.texi: Same.
18691         * doc/tm.texi: Same.
18692         * doc/tm.texi.in: Same.
18693         * doc/trouble.texi: Same.
18694
18695 2017-03-21  Alexandre Oliva <aoliva@redhat.com>
18696
18697         PR debug/63238
18698         * dwarf2out.c (struct checksum_attributes): Add at_alignment.
18699         (collect_checksum_attributes): Set it.
18700         (die_checksum_ordered): Use it.
18701
18702 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
18703
18704         PR tree-optimization/79908
18705         * tree-stdarg.c (expand_ifn_va_arg_1): Revert the following
18706         change: For a VA_ARG whose LHS has been cast away, use
18707         force_gimple_operand to construct the side effects.
18708
18709 2017-03-21  David Malcolm  <dmalcolm@redhat.com>
18710
18711         PR translation/80001
18712         * omp-offload.c (oacc_loop_fixed_partitions): Make diagnostics
18713         more amenable to translation.
18714         (oacc_loop_auto_partitions): Likewise.
18715
18716 2017-03-21  Marek Polacek  <polacek@redhat.com>
18717             Martin Sebor  <msebor@redhat.com>
18718
18719         PR tree-optimization/80109
18720         * gimple-ssa-warn-alloca.c (alloca_call_type): Only call get_range_info
18721         on INTEGRAL_TYPE_P.
18722
18723 2017-03-21  Jakub Jelinek  <jakub@redhat.com>
18724             Segher Boessenkool  <segher@kernel.crashing.org>
18725
18726         PR target/80125
18727         * combine.c (can_combine_p): Revert the 2017-03-20 change, only
18728         check reg_used_between_p between insn and one of succ or succ2
18729         depending on if succ is artificial insn not inserted into insn
18730         stream.
18731
18732 2017-03-21  Martin Liska  <mliska@suse.cz>
18733
18734         PR gcov-profile/80081
18735         * Makefile.in: Add gcov-dump and fix installation of gcov-tool.
18736         * doc/gcc.texi: Include gcov-dump stuff.
18737         * doc/gcov-dump.texi: New file.
18738
18739 2017-03-21  Toma Tabacu  <toma.tabacu@imgtec.com>
18740
18741         PR rtl-optimization/79150
18742         * config/mips/mips.c (mips_block_move_loop): Emit a NOP after the
18743         conditional jump, if the jump is the last insn of the loop.
18744
18745 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
18746             Richard Biener  <rguenth@suse.de>
18747
18748         PR tree-optimization/79908
18749         * tree-stdarg.c (expand_ifn_va_arg_1): For a VA_ARG whose LHS has
18750         been cast away, use force_gimple_operand to construct the side
18751         effects.
18752
18753 2017-03-21  Martin Liska  <mliska@suse.cz>
18754
18755         PR libfortran/79956
18756         * simplify-rtx.c (simplify_immed_subreg): Initialize a variable
18757         to NULL.
18758
18759 2017-03-21  Brad Spengler <spender@grsecurity.net>
18760
18761         PR plugins/80094
18762         * plugin.c (htab_hash_plugin): New function.
18763         (add_new_plugin): Use it and adjust.
18764         (parse_plugin_arg_opt): Adjust.
18765         (init_one_plugin): Likewise.
18766
18767 2017-03-21  Richard Biener  <rguenther@suse.de>
18768
18769         PR tree-optimization/80032
18770         * gimplify.c (gimple_push_cleanup): Add force_uncond parameter,
18771         if set force the cleanup to happen unconditionally.
18772         (gimplify_target_expr): Push inserted clobbers with force_uncond
18773         to avoid them being removed by control-dependent DCE.
18774
18775 2017-03-21  Richard Biener  <rguenther@suse.de>
18776
18777         PR tree-optimization/80122
18778         * tree-inline.c (copy_bb): Do not expans va-arg packs or
18779         va_arg_pack_len when the inlined call stmt requires pack
18780         expansion itself.
18781         * tree-inline.h (struct copy_body_data): Make call_stmt a gcall *.
18782
18783 2017-03-21  Jakub Jelinek  <jakub@redhat.com>
18784
18785         PR sanitizer/78158
18786         * tsan.c (instrument_builtin_call): If the memory model argument
18787         is not a constant, assume it is valid.
18788
18789         PR c/67338
18790         * fold-const.c (round_up_loc): Negate divisor in unsigned type to
18791         avoid UB.
18792
18793 2017-03-20  Segher Boessenkool  <segher@kernel.crashing.org>
18794
18795         PR rtl-optimization/79910
18796         * combine.c (can_combine_p): Do not allow combining an I0 or I1
18797         if its dest is used by an insn before I2 (other than the combined
18798         insns themselves, which are properly handled already).
18799
18800 2017-03-20  Segher Boessenkool  <segher@kernel.crashing.org>
18801
18802         Revert:
18803         2017-03-17  Bernd Schmidt  <bschmidt@redhat.com>
18804
18805         * combine.c (record_used_regs): New static function.
18806         (try_combine): Handle situations where there is an additional
18807         instruction between I2 and I3 which needs to have a LOG_LINK
18808         updated.
18809
18810         Revert:
18811         2017-03-17  Jim Wilson  <jim.wilson@linaro.org>
18812
18813         * combine.c (try_combine): Delete redundant i1 test.  Call
18814         prev_nonnote_nondebug_insn instead of prev_nonnote_insn.
18815
18816 2017-03-20  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
18817
18818         PR target/80083
18819         * config/rs6000/rs6000.md (*movsi_internal1): Fix constraints for
18820         alternatives 13/14.
18821
18822 2017-03-20  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
18823
18824         PR tree-optimization/80054
18825         * gimple-ssa-strength-reduction.c (all_phi_incrs_profitable): Fail
18826         the optimization if a PHI or any of its arguments is not dominated
18827         by the candidate's basis.  Use gphi* rather than gimple* as
18828         appropriate.
18829         (replace_profitable_candidates): Clean up a gimple* variable that
18830         should be a gphi* variable.
18831
18832 2017-03-20  Martin Sebor  <msebor@redhat.com>
18833
18834         PR c++/52477
18835         * doc/extend.texi (attribute constructor): Document present limitation.
18836
18837 2017-03-20  Kelvin Nilsen  <kelvin@gcc.gnu.org>
18838
18839         PR target/79963
18840         * config/rs6000/altivec.h (vec_all_ne): Under __cplusplus__ and
18841         __POWER9_VECTOR__ #ifdef control, change template definition to
18842         use Power9-specific built-in function.
18843         (vec_any_eq): Likewise.
18844         * config/rs6000/vector.md (vector_ae_v2di_p): Change the flag used
18845         to control outcomes from this test.
18846         (vector_ae_<mode>p): For VEC_F modes, likewise.
18847
18848 2017-03-20  Ian Lance Taylor  <iant@google.com>
18849
18850         * config/i386/i386.c (ix86_function_regparm): Save an extra
18851         register for -fsplit-stack with DECL_STATIC_CHAIN.
18852
18853 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com>
18854
18855         PR target/79912
18856         * config/riscv/riscv.c (riscv_preferred_reload_class): Remove.
18857         (TARGET_PREFERRED_RELOAD_CLASS): Likewise.
18858
18859 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com>
18860
18861         * config/riscv/riscv.c (riscv_print_operand): Use "fence
18862         iorw,ow".
18863         * config/riscv/sync.mc (mem_thread_fence_1): Use "fence
18864         iorw,iorw".
18865
18866 2017-03-20  Marek Polacek  <polacek@redhat.com>
18867
18868         PR sanitizer/80063
18869         * asan.c (DEF_SANITIZER_BUILTIN): Use do { } while (0).
18870
18871 2017-03-20  Richard Biener  <rguenther@suse.de>
18872
18873         PR tree-optimization/80113
18874         * graphite-isl-ast-to-gimple.c (copy_loop_phi_nodes): Do not
18875         allocate extra SSA name for PHI def.
18876         (add_close_phis_to_outer_loops): Likewise.
18877         (add_close_phis_to_merge_points): Likewise.
18878         (copy_loop_close_phi_args): Likewise.
18879         (copy_cond_phi_nodes): Likewise.
18880
18881 2017-03-20  Martin Liska  <mliska@suse.cz>
18882
18883         PR middle-end/79753
18884         * tree-chkp.c (chkp_build_returned_bound): Do not build
18885         returned bounds for a LHS that's not a BOUNDED_P type.
18886
18887 2017-03-20  Martin Liska  <mliska@suse.cz>
18888
18889         PR target/79769
18890         PR target/79770
18891         * tree-chkp.c (chkp_find_bounds_1): Handle REAL_CST,
18892         COMPLEX_CST and VECTOR_CST.
18893
18894 2017-03-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
18895
18896         PR target/78857
18897         * config/s390/s390.md ("cmp<mode>_ccs_0"): Add a clobber of the
18898         target operand.  A new splitter adds the clobber statement in case
18899         the target operand is dead anyway.
18900
18901 2017-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
18902
18903         * doc/install.texi (Specific) <sparc-*-linux*>: No longer refer
18904         to age-old versions of binutils and glibc.
18905
18906 2017-03-18  Segher Boessenkool  <segher@kernel.crashing.org>
18907
18908         * doc/contrib.texi (Contributors): Remove duplicate entry for myself.
18909
18910 2017-03-18  Gerald Pfeifer  <gerald@pfeifer.com>
18911
18912         * doc/contrib.texi (Contributors): Add Segher Boessenkool.
18913
18914 2017-03-18  Gerald Pfeifer  <gerald@pfeifer.com>
18915
18916         * doc/install.texi (Specific) <arm-*-eabi>: Remove old
18917         requirement for binutils 2.13.
18918
18919 2017-03-17  Jim Wilson  <jim.wilson@linaro.org>
18920
18921         * combine.c (try_combine): Delete redundant i1 test.  Call
18922         prev_nonnote_nondebug_insn instead of prev_nonnote_insn.
18923
18924 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com
18925
18926         * doc/install.texi (Specific) <riscv32-*-elf>: Add riscv32-*-elf,
18927         riscv32-*-linux, riscv64-*-elf, riscv64-*-linux to the table of
18928         contents.
18929         <riscv64-*-elf>: Re-arrange section
18930         <riscv32-*-elf>: Add a note about requiring binutils 2.28.
18931         <riscv32-*-linux>: Likewise.
18932         <riscv64-*-elf>: Likewise
18933         <riscv64-*-linux>: Likewise.
18934
18935 2017-03-17  Richard Earnshaw  <rearnsha@arm.com>
18936
18937         PR target/80052
18938         * aarch64.opt(verbose-cost-dump): Fix typo.
18939
18940 2017-03-17  Pat Haugen  <pthaugen@us.ibm.com>
18941
18942         PR target/79951
18943         * config/rs6000/rs6000.md (copysign<mode>3_fcpsgn): Test
18944         for VECTOR_UNIT_VSX_P (<MODE>mode) too.
18945
18946 2017-03-17  Bernd Schmidt  <bschmidt@redhat.com>
18947
18948         * reload.c (find_reloads): When reloading a nonoffsettable address,
18949         use RELOAD_OTHER for it and its address reloads.
18950
18951         PR rtl-optimization/79910
18952         * combine.c (record_used_regs): New static function.
18953         (try_combine): Handle situations where there is an additional
18954         instruction between I2 and I3 which needs to have a LOG_LINK
18955         updated.
18956
18957 2017-03-17  Jeff Law  <law@redhat.com>
18958
18959         PR tree-optimization/71437
18960         * tree-vrp.c (simplify_stmt_for_jump_threading): Lookup the
18961         conditional in the hash table first.
18962         (vrp_dom_walker::before_dom_children): Extract condition from
18963         ASSERT_EXPR.  Record condition, its inverion and any implied
18964         conditions as well.
18965
18966 2017-03-17  Marek Polacek  <polacek@redhat.com>
18967             Markus Trippelsdorf  <markus@trippelsdorf.de>
18968
18969         PR tree-optimization/80079
18970         * gimple-ssa-store-merging.c (class pass_store_merging): Initialize
18971         m_stores_head.
18972
18973 2017-03-17  Richard Biener  <rguenther@suse.de>
18974
18975         PR middle-end/80075
18976         * tree-eh.c (stmt_could_throw_1_p): Only handle gimple assigns.
18977         Properly verify the LHS before the RHS possibly claims to be
18978         handled.
18979         (stmt_could_throw_p): Hande gimple conds fully here.  Clobbers
18980         do not throw.
18981
18982 2017-03-17  Martin Jambor  <mjambor@suse.cz>
18983
18984         * doc/invoke.texi (Option Options): Include -fipa-vrp in the list.
18985         (List of -O2 options): Likewise.
18986         (-fipa-bit-cp): Replace "ipa" with "interprocedural."
18987         (-fipa-vrp) New.
18988
18989 2017-03-17  Tom de Vries  <tom@codesourcery.com>
18990
18991         * gcov-dump.c (print_usage): Print bug_report_url.
18992
18993 2017-03-17  Richard Biener  <rguenther@suse.de>
18994
18995         PR middle-end/80050
18996         * genmatch.c (parser::next): Remove pointless check for CPP_EOF.
18997         (parser::peek): Likewise.
18998
18999 2017-03-17  Richard Biener  <rguenther@suse.de>
19000
19001         PR tree-optimization/80048
19002         * sese.c (free_sese_info): Properly release rename_map and
19003         copied_bb_map elements.
19004
19005 2017-03-16  Alexandre Oliva <aoliva@redhat.com>
19006
19007         * gimple-ssa-store-merging.c (struct imm_store_chain_info):
19008         Add linked-list forward and backlinks.  Insert on
19009         construction, remove on destruction.
19010         (class pass_store_merging): Add m_stores_head field.
19011         (pass_store_merging::terminate_and_process_all_chains):
19012         Iterate over m_stores_head list.
19013         (pass_store_merging::terminate_all_aliasing_chains):
19014         Likewise.
19015         (pass_store_merging::execute): Check for debug stmts first.
19016         Push new chains onto the m_stores_head stack.
19017
19018 2017-03-16  Michael Meissner  <meissner@linux.vnet.ibm.com>
19019
19020         PR target/71294
19021         * config/rs6000/vsx.md (vsx_splat_<mode>, VSX_D iterator): Allow a
19022         SPLAT operation on ISA 2.07 64-bit systems that have direct move,
19023         but no MTVSRDD support, by doing MTVSRD and XXPERMDI.
19024
19025 2017-03-16  Jeff Law  <law@redhat.com>
19026
19027         PR tree-optimization/71437
19028         * tree-ssa-dom.c (dom_opt_dom_walker): Remove thread_across_edge
19029         member function.  Implementation moved into after_dom_children
19030         member function and into the threader's thread_outgoing_edges
19031         function.
19032         (dom_opt_dom_walker::after_dom_children): Simplify by moving
19033         some code into new thread_outgoing_edges.
19034         * tree-ssa-threadedge.c (thread_across_edge): Make static and simplify
19035         definition.  Simplify marker handling (do it here).   Assume we always
19036         have the available expression and the const/copies tables.
19037         (thread_outgoing_edges): New function extracted from tree-ssa-dom.c
19038         and tree-vrp.c
19039         * tree-ssa-threadedge.h (thread_outgoing_edges): Declare.
19040         * tree-vrp.c (equiv_stack): No longer file scoped.
19041         (vrp_dom_walker): New class.
19042         (vrp_dom_walker::before_dom_children): New member function.
19043         (vrp_dom_walker::after_dom_children): Likewise.
19044         (identify_jump_threads):  Setup domwalker.  Use it rather than
19045         walking edges in a random order by hand.  Simplify setup/finalization.
19046         (finalize_jump_threads): Remove.
19047         (vrp_finalize): Do not call identify_jump_threads here.
19048         (execute_vrp): Do it here instead and call thread_through_all_blocks
19049         here too.
19050
19051         PR tree-optimization/71437
19052         * tree-ssa-dom.c (pfn_simplify): Add basic_block argument.  All
19053         callers changed.
19054         (simplify_stmt_for_jump_threading): Add basic_block argument.  All
19055         callers changed.
19056         (lhs_of_dominating_assert): Moved from here into tree-vrp.c.
19057         (dom_opt_dom_walker::thread_across_edge): Remove
19058         handle_dominating_asserts argument.  All callers changed.
19059         (record_temporary_equivalences_from_stmts_at_dest): Corresponding
19060         changes.  Remove calls to lhs_of_dominating_assert.  Other
19061         uses of handle_dominating_asserts turn into unconditional code
19062         (simplify_control_stmt_condition_1): Likewise.
19063         (simplify_control_stmt_condition): Likewise.
19064         (thread_through_normal_block, thread_across_edge): Likewise.
19065         * tree-ssa-threadedge.h (thread_across_edge): Corresponding changes.
19066         * tree-vrp.c (lhs_of_dominating_assert): Move here.  Return original
19067         object if it is not an SSA_NAME.
19068         (simplify_stmt_for_jump_threading): Call lhs_of_dominating_assert
19069         before calling into the VRP specific simplifiers.
19070         (identify_jump_threads): Remove handle_dominating_asserts
19071         argument.
19072
19073 2017-03-16  Jakub Jelinek  <jakub@redhat.com>
19074
19075         PR fortran/79886
19076         * tree-diagnostic.c (default_tree_printer): No longer static.
19077         * tree-diagnostic.h (default_tree_printer): New prototype.
19078
19079 2017-03-16  Tamar Christina  <tamar.christina@arm.com>
19080
19081         * config/aarch64/aarch64-simd.md (*aarch64_simd_mov<mode>)
19082         Change ins into fmov.
19083
19084 2017-03-16  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
19085
19086         * config/aarch64/iterators.md (h_con): Return "x" for V4HF and V8HF.
19087         * config/aarch64/aarch64-simd.md (*aarch64_fma4_elt_from_dup<mode>):
19088         Use h_con constraint for operand 1.
19089         (*aarch64_fnma4_elt_from_dup<mode>): Likewise.
19090         (*aarch64_mulx_elt_from_dup<mode>): Likewise for operand 2.
19091
19092 2017-03-15  Jeff Law  <law@redhat.com>
19093
19094         PR tree-optimization/71437
19095         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): New function.
19096         (record_temporary_equivalences): Use it.
19097
19098         PR tree-optimization/71437
19099         * tree-ssa-dom.c (struct cond_equivalence): Moved from here into
19100         tree-ssa-scopedtables.
19101         (lookup_avail_expr, build_and_record_new_cond): Likewise.
19102         (record_conditions, record_cond, vuse_eq): Likewise.
19103         (record_edge_info): Adjust to API tweak of record_conditions.
19104         (simplify_stmt_for_jump_threading): Similarly for lookup_avail_expr.
19105         (record_temporary_equivalences, optimize_stmt): Likewise.
19106         (eliminate_redundant_computations): Likewise.
19107         (record_equivalences_from_stmt): Likewise.
19108         * tree-ssa-scopedtables.c: Include options.h and params.h.
19109         (vuse_eq): New function, moved from tree-ssa-dom.c
19110         (build_and_record_new_cond): Likewise.
19111         (record_conditions): Likewise.  Accept vector of conditions rather
19112         than edge_equivalence structure for first argument.
19113         for the first argument.
19114         (avail_exprs_stack::lookup_avail_expr): New member function, moved
19115         from tree-ssa-dom.c.
19116         (avail_exprs_stack::record_cond): Likewise.
19117         * tree-ssa-scopedtables.h (struct cond_equivalence): Moved here
19118         from tree-ssa-dom.c.
19119         (avail_exprs_stack): Add new member functions lookup_avail_expr
19120         and record_cond.
19121         (record_conditions): Declare.
19122
19123 2017-03-15  Vladimir Makarov  <vmakarov@redhat.com>
19124
19125         PR target/80017
19126         * lra-constraints.c (process_alt_operands): Increase reject for
19127         reloading an input/output operand.
19128
19129 2017-03-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
19130
19131         PR target/79038
19132         * config/rs6000/rs6000.md (float<QHI:mode><IEEE128:mode>2): Define
19133         insns to convert from signed/unsigned char/short to IEEE 128-bit
19134         floating point.
19135         (floatuns<QHI:mode><IEEE128:mode>2): Likewise.
19136
19137 2017-03-15  Uros Bizjak  <ubizjak@gmail.com>
19138
19139         PR target/80019
19140         * config/i386/i386.c (ix86_vector_duplicate_value): Create
19141         subreg of inner mode for values already in registers.
19142
19143 2017-03-15  Bernd Schmidt  <bschmidt@redhat.com>
19144
19145         * config/c6x/c6x.c (hwloop_optimize): Handle case where the old
19146         iteration reg is used after the loop.
19147
19148 2017-03-14  Martin Sebor  <msebor@redhat.com>
19149
19150         PR tree-optimization/79800
19151         * gimple-ssa-sprintf.c (format_floating: Add argument.  Handle
19152         precision in negative-positive range.
19153         (format_floating): Call non-const overload with adjusted precision.
19154
19155 2017-03-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
19156
19157         PR target/79947
19158         * config/rs6000/rs6000.h (TARGET_FRSQRTES): Add check for
19159         -mpowerpc-gfxopt.
19160
19161 2017-03-14  Martin Sebor  <msebor@redhat.com>
19162
19163         PR middle-end/80020
19164         * builtin-attrs.def (ATTR_ALLOC_SIZE_2_NOTHROW_LIST): New macro.
19165         * builtins.def (aligned_alloc): Use it.
19166
19167         PR c/79936
19168         * Makefile.in (GTFILES): Add calls.c.
19169         * calls.c: Include "gt-calls.h".
19170
19171 2017-03-14  Bernd Schmidt  <bschmidt@redhat.com>
19172
19173         PR rtl-optimization/79728
19174         * regs.h (struct target_regs): New field
19175         x_contains_allocatable_regs_of_mode.
19176         (contains_allocatable_regs_of_mode): New macro.
19177         * reginfo.c (init_reg_sets_1): Initialize it, and change
19178         contains_reg_of_mode so it includes global regs as well.
19179         * reload.c (push_reload): Use contains_allocatable_regs_of_mode
19180         rather than contains_regs_of_mode.
19181
19182 2017-03-14  Martin Liska  <mliska@suse.cz>
19183
19184         * doc/invoke.texi: Document options that can't be combined with
19185         -fcheck-pointer-bounds.
19186
19187 2017-03-14  Martin Liska  <mliska@suse.cz>
19188
19189         PR middle-end/79831
19190         * doc/invoke.texi (-Wchkp): Document the option.
19191
19192 2017-03-14  Martin Liska  <mliska@suse.cz>
19193
19194         * Makefile.in: Install gcov-dump.
19195
19196 2017-03-14  Martin Liska  <mliska@suse.cz>
19197
19198         * multiple_target.c (expand_target_clones): Bail out for
19199         an invalid attribute.
19200
19201 2017-03-14  Richard Biener  <rguenther@suse.de>
19202
19203         * alias.c (struct alias_set_entry): Pack properly.
19204         * cfgloop.h (struct loop): Likewise.
19205         * cse.c (struct set): Likewise.
19206         * ipa-utils.c (struct searchc_env): Likewise.
19207         * loop-invariant.c (struct invariant): Likewise.
19208         * lra-remat.c (struct cand): Likewise.
19209         * recog.c (struct change_t): Likewise.
19210         * rtl.h (struct address_info): Likewise.
19211         * symbol-summary.h (function_summary): Likewise.
19212         * tree-loop-distribution.c (struct partition): Likewise.
19213         * tree-object-size.c (struct object_size_info): Likewise.
19214         * tree-ssa-loop-ivopts.c (struct cost_pair): Likewise.
19215         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Likewise.
19216         * tree-vect-data-refs.c (struct _vect_peel_info): Likewise.
19217         * tree-vect-slp.c (struct _slp_oprnd_info): Likewise.
19218         * tree-vect-stmts.c (struct simd_call_arg_info): Likewise.
19219         * tree-vectorizer.h (struct _loop_vec_info): Likewise.
19220         (struct _stmt_vec_info): Likewise.
19221
19222 2017-03-14  Martin Liska  <mliska@suse.cz>
19223
19224         PR target/79892
19225         * multiple_target.c (create_dispatcher_calls): Check that
19226         a target can create a function dispatcher.
19227
19228 2017-03-14  Martin Liska  <mliska@suse.cz>
19229
19230         PR lto/66295
19231         * multiple_target.c (expand_target_clones): Drop local.local
19232         flag for default implementation.
19233
19234 2017-03-14  Richard Biener  <rguenther@suse.de>
19235
19236         PR tree-optimization/80030
19237         * tree-vect-stmts.c (vectorizable_store): Plug memleak.
19238
19239 2017-03-13  Kito Cheng  <kito.cheng@gmail.com>
19240
19241         * config/riscv/riscv.c (riscv_emit_float_compare>: Use
19242         gcc_fallthrough() instead of __attribute__((fallthrough));
19243
19244 2017-03-13  Gerald Pfeifer  <gerald@pfeifer.com>
19245
19246         * doc/gcc.texi: Remove "up" link to (DIR).
19247         * doc/gccint.texi: Ditto.
19248
19249 2017-03-13  Gerald Pfeifer  <gerald@pfeifer.com>
19250
19251         * doc/install.texi (Specific) <avr>: Remove reference to
19252         binutils 2.13.
19253
19254 2017-03-13  Jeff Law  <law@redhat.com>
19255
19256         * config/riscv/riscv.c (riscv_emit_float_compare): Use fallthru
19257         attribute rather than comments.
19258
19259         * config/pdp11/pdp11.md (movmemhi): Adjust operand numbers to
19260         match_scratch operand is highest.
19261
19262 2017-03-13  Martin Liska  <mliska@suse.cz>
19263
19264         PR middle-end/78339
19265         * ipa-pure-const.c (warn_function_noreturn): If the declarations
19266         is a CHKP clone, use original declaration.
19267
19268 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
19269
19270         * config/arc/arc.c (arc_init): Use multiplier whenever we have it.
19271         (arc_conditional_register_usage): Use a different allocation order
19272         when optimizing for size.
19273         * common/config/arc/arc-common.c (arc_option_optimization_table):
19274         Section anchors default on when optimizing for size.
19275
19276 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
19277
19278         * config/arc/arc.md (*tst_bitfield_tst): Fix pattern.
19279
19280 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
19281
19282         * config/arc/arc.c (arc_output_addsi): Emit code density adds.
19283         * config/arc/arc.md (cpu_facility): Add cd variant.
19284         (*movqi_insn): Add code density variant.
19285         (*movhi_insn): Likewise.
19286         (*movqi_insn): Likewise.
19287         (*addsi3_mixed): Likewise.
19288         (subsi3_insn): Likewise.
19289
19290 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
19291
19292         * config/arc/arc.md (movsi_cond_exec): Update constraint.
19293
19294 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
19295
19296         * config/arc/arc.c (arc_legitimize_pic_address): Handle PIC
19297         expressions with MINUS and UNARY ops.
19298
19299 2017-03-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
19300
19301         PR target/79911
19302         * config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3):
19303         Rename to...
19304         (vec_sel_widen_ssum_lo<mode><V_half>3): ... This. Avoid mismatch
19305         between vec_select and vector argument.
19306         (vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): Rename to...
19307         (vec_sel_widen_ssum_hi<mode><V_half>3): ... This. Likewise.
19308         (vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): Rename to...
19309         (vec_sel_widen_usum_lo<mode><V_half>3): ... This.
19310         (vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): Rename to...
19311         (vec_sel_widen_usum_hi<mode><V_half>3): ... This.
19312
19313 2017-03-13  Richard Biener  <rguenther@suse.de>
19314
19315         PR other/79991
19316         * params.def (vect-max-peeling-for-alignment): Fix typo.
19317
19318 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
19319
19320         * doc/install.texi (Specific) <mips-*-*>: Remove description of
19321         issue that only occurred with binutils below 2.18.
19322
19323 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
19324
19325         * doc/install.texi (Specific) <cris-axis-elf>: No longer
19326         refer to binutils 2.11/2.12 minimum.
19327
19328 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
19329
19330         * doc/install.texi (Specific) <powerpc-*-*>: Remove link to
19331         ftp.kernel.org and simplify binutils requirement.
19332
19333 2017-03-11  Gerald Pfeifer  <gerald@pfeifer.com>
19334
19335         * doc/invoke.texi (Warning Options): Fix spelling of link-time
19336         optimization.
19337         (Optimize Options): Ditto.  Also remove redundancy.
19338
19339 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
19340
19341         PR translation/79848
19342         * ipa-devirt.c (warn_types_mismatch): Simplify uses of "%<%s%>" to
19343         "%qs".
19344         * ipa-pure-const.c (suggest_attribute): Likewise.  Convert _
19345         to G_ to avoid double translation.
19346
19347 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
19348
19349         PR translation/79923
19350         * auto-profile.c (get_combined_location): Convert leading
19351         character of diagnostics to lower case and remove trailing period.
19352         (read_profile): Likewise for various diagnostics.
19353         * config/arm/arm.c (arm_option_override): Remove trailing period
19354         from various diagnostics.
19355         * config/msp430/msp430.c (msp430_expand_delay_cycles): Likewise.
19356         (msp430_expand_delay_cycles): Likewise.
19357
19358 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
19359
19360         PR target/79925
19361         * config/aarch64/aarch64.c (aarch64_validate_mcpu): Quote the
19362         full command-line argument, rather than just "str".
19363         (aarch64_validate_march): Likewise.
19364         (aarch64_validate_mtune): Likewise.
19365
19366 2017-03-10  Bernd Schmidt  <bschmidt@redhat.com>
19367
19368         PR rtl-optimization/78911
19369         * lra-assigns.c (must_not_spill_p): New function.
19370         (spill_for): Use it.
19371
19372 2017-03-10  Jakub Jelinek  <jakub@redhat.com>
19373
19374         PR tree-optimization/79981
19375         * tree-vrp.c (extract_range_basic): Handle IMAGPART_EXPR of
19376         ATOMIC_COMPARE_EXCHANGE ifn result.
19377         (stmt_interesting_for_vrp, vrp_visit_stmt): Handle
19378         IFN_ATOMIC_COMPARE_EXCHANGE.
19379
19380 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
19381
19382         PR driver/79875
19383         * opts.c (parse_sanitizer_options): Add missing question mark to
19384         "did you mean" message.
19385
19386 2017-03-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
19387
19388         * config/rs6000/rs6000-builtin.def (VMULEUB_UNS): Remove orphaned
19389         built-in.
19390         (VMULEUH_UNS): Likewise.
19391         (VMULOUB_UNS): Likewise.
19392         (VMULOUH_UNS): Likewise.
19393         * config/rs6000/rs6000.c (builtin_function_type): Remove
19394         references to ALTIVEC_BUILTIN_VMUL[EO]U[BH]_UNS.
19395
19396 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
19397
19398         PR bootstrap/79952
19399         * read-rtl-function.c (function_reader::read_rtx_operand): Update
19400         x with result of extra_parsing_for_operand_code_0.
19401         (function_reader::extra_parsing_for_operand_code_0): Convert
19402         return type from void to rtx, returning x.  When reading
19403         SYMBOL_REF with SYMBOL_FLAG_HAS_BLOCK_INFO, reallocate x to the
19404         larger size containing struct block_symbol.
19405
19406 2017-03-10  Segher Boessenkool  <segher@kernel.crashing.org>
19407
19408         * config/rs6000/rs6000.c (rs6000_option_override_internal): Disallow
19409         -mfloat128-hardware without -m64.
19410
19411 2017-03-10  Will Schmidt <will_schmidt@vnet.ibm.com>
19412
19413         PR target/79941
19414         * config/rs6000/rs6000.c (builtin_function_type): Add VMUL*U[HB]
19415         entries to the case statement that marks unsigned arguments to
19416         overloaded functions.
19417
19418 2017-03-10  Kelvin Nilsen  <kelvin@gcc.gnu.org>
19419
19420         * config/rs6000/rs6000.c (rs6000_option_override_internal): Fix
19421         two typographic errors in the handling of TARGET_UPPER_REGS_DI.
19422
19423 2017-03-10  Pat Haugen  <pthaugen@us.ibm.com>
19424
19425         PR target/79907
19426         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Test
19427         TARGET_UPPER_REGS_DI when setting 'wi' constraint regclass.
19428
19429 2017-03-10  Martin Liska  <mliska@suse.cz>
19430
19431         PR target/65705
19432         PR target/69804
19433         * toplev.c (process_options): Enable MPX with LSAN and UBSAN.
19434         * tree-chkp.c (chkp_walk_pointer_assignments): Verify that
19435         FIELD != NULL.
19436
19437 2017-03-10  Olivier Hainque  <hainque@adacore.com>
19438
19439         * tree-switch-conversion (array_value_type): Start by resetting
19440         candidate type to it's main variant.
19441
19442 2017-03-10  Jakub Jelinek  <jakub@redhat.com>
19443
19444         PR rtl-optimization/79909
19445         * combine.c (try_combine): Use simplify_replace_rtx on individual
19446         CALL_INSN_FUNCTION_USAGE elements instead of replace_rtx on copy_rtx
19447         of the whole CALL_INSN_FUNCTION_USAGE.
19448
19449         PR tree-optimization/79972
19450         * gimple-ssa-warn-alloca.c (alloca_call_type): Only call
19451         get_range_info on SSA_NAMEs.  Formatting fixes.
19452
19453 2017-03-10  Richard Biener  <rguenther@suse.de>
19454             Jakub Jelinek  <jakub@redhat.com>
19455
19456         PR tree-optimization/77975
19457         * tree-ssa-loop-niter.c (get_base_for): Allow phi argument from latch
19458         edge to be constant.
19459         (get_val_for): For constant x return it.  Formatting fix.
19460         (loop_niter_by_eval): Avoid pointless looping if the next iteration
19461         would use the same bases as the current one.
19462
19463 2017-03-09  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
19464
19465         * config/rs6000/rs6000.c (rs6000_gen_le_vsx_permute): Use rotate
19466         instead of vec_select for V1TImode.
19467         * conifg/rs6000/vsx.md (VSX_LE): Remove mode iterator that is no
19468         longer needed.
19469         (VSX_LE_128): Add V1TI to this mode iterator.
19470         (*vsx_le_perm_load_<mode>): Change to use VSX_D mode iterator.
19471         (*vsx_le_perm_store_<mode>): Likewise.
19472         (pre-reload splitter for VSX stores): Likewise.
19473         (post-reload splitter for VSX stores): Likewise.
19474         (*vsx_xxpermdi2_le_<mode>): Likewise.
19475         (*vsx_lxvd2x2_le_<mode>): Likewise.
19476         (*vsx_stxvd2x2_le_<mode>): Likewise.
19477
19478 2017-03-09  Michael Eager  <eager@eagercon.com>
19479
19480         Correct failures with --enable-checking=yes,rtl.
19481
19482         * config/microblaze/microblaze.c (microblaze_expand_shift):
19483         Replace GET_CODE test with CONST_INT_P and INTVAL test with
19484         test for const0_rtx.
19485         * config/microblaze/microblaze.md (ashlsi3_byone, ashrsi3_byone,
19486         lshrsi3_byone): Replace INTVAL with test for const1_rtx.
19487
19488 2017-03-09  Richard Biener  <rguenther@suse.de>
19489
19490         PR tree-optimization/79977
19491         * graphite-scop-detection.c (scop_detection::merge_sese):
19492         Handle the case of extra exits to blocks dominating the entry.
19493
19494 2017-03-09  Toma Tabacu  <toma.tabacu@imgtec.com>
19495
19496         * doc/sourcebuild.texi (Effective-Target Keywords, Other attributes):
19497         Document rdynamic.
19498
19499 2017-03-09  Vladimir Makarov  <vmakarov@redhat.com>
19500
19501         PR rtl-optimization/79949
19502         * lra-constraints.c (process_alt_operands): Check memory when
19503         trying to predict a cycle.  Print about the overall increase.
19504
19505 2017-03-09  Richard Biener  <rguenther@suse.de>
19506
19507         PR middle-end/79971
19508         * gimple-expr.c (useless_type_conversion_p): Preserve
19509         TYPE_SATURATING for fixed-point types.
19510
19511 2017-03-09  Richard Biener  <rguenther@suse.de>
19512
19513         PR ipa/79970
19514         * ipa-prop.c (ipa_modify_formal_parameters): Avoid changing
19515         alignment of BLKmode params.
19516
19517 2017-03-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
19518
19519         PR target/79913
19520         * config/aarch64/iterators.md (VALL_F16_NO_V2Q): New mode iterator.
19521         (VALL_NO_V2Q): Likewise.
19522         (VDQF_DF): Delete.
19523         * config/aarch64/aarch64-simd.md
19524         (aarch64_dup_lane_<vswap_width_name><mode>): Use VALL_F16_NO_V2Q
19525         iterator.
19526         (*aarch64_simd_vec_copy_lane_<vswap_width_name><mode>): Use
19527         VALL_NO_V2Q mode iterator.
19528         (*aarch64_vgetfmulx<mode>): Use VDQF iterator.
19529
19530 2017-03-09  Martin Liska  <mliska@suse.cz>
19531
19532         PR tree-optimization/79631
19533         * tree-chkp-opt.c (chkp_is_constant_addr): Call
19534         tree_int_cst_sign_bit just for INTEGER constants.
19535
19536 2017-03-09  Martin Liska  <mliska@suse.cz>
19537
19538         PR target/65705
19539         PR target/69804
19540         * toplev.c (process_options): Disable -fcheck-pointer-bounds with
19541         sanitizers.
19542
19543 2017-03-09  Marek Polacek  <polacek@redhat.com>
19544
19545         PR c++/79672
19546         * tree.c (inchash::add_expr): Handle TREE_VEC.
19547
19548 2017-03-09  Martin Liska  <mliska@suse.cz>
19549
19550         PR ipa/79764
19551         (chkp_narrow_size_and_offset): New function.
19552         (chkp_parse_array_and_component_ref): Support BIT_FIELD_REF.
19553         (void chkp_parse_bit_field_ref): New function.
19554         (chkp_make_addressed_object_bounds): Add case for BIT_FIELD_REF.
19555         (chkp_process_stmt): Use chkp_parse_bit_field_ref.
19556
19557 2017-03-09  Martin Liska  <mliska@suse.cz>
19558
19559         PR ipa/79761
19560         * tree-chkp.c (chkp_get_bound_for_parm): Get bounds for a param.
19561         (chkp_find_bounds_1): Remove gcc_unreachable.
19562
19563 2017-03-09  Jakub Jelinek  <jakub@redhat.com>
19564
19565         PR sanitizer/79944
19566         * asan.c (get_mem_refs_of_builtin_call): For BUILT_IN_ATOMIC* and
19567         BUILT_IN_SYNC*, determine the access type from the size suffix and
19568         always build a MEM_REF with that type.  Handle forgotten
19569         BUILT_IN_SYNC_FETCH_AND_NAND_16 and BUILT_IN_SYNC_NAND_AND_FETCH_16.
19570
19571         PR target/79932
19572         * config/i386/avx512vlintrin.h (_mm256_cmpge_epi32_mask,
19573         _mm256_cmpge_epi64_mask, _mm256_cmpge_epu32_mask,
19574         _mm256_cmpge_epu64_mask, _mm256_cmple_epi32_mask,
19575         _mm256_cmple_epi64_mask, _mm256_cmple_epu32_mask,
19576         _mm256_cmple_epu64_mask, _mm256_cmplt_epi32_mask,
19577         _mm256_cmplt_epi64_mask, _mm256_cmplt_epu32_mask,
19578         _mm256_cmplt_epu64_mask, _mm256_cmpneq_epi32_mask,
19579         _mm256_cmpneq_epi64_mask, _mm256_cmpneq_epu32_mask,
19580         _mm256_cmpneq_epu64_mask, _mm256_mask_cmpge_epi32_mask,
19581         _mm256_mask_cmpge_epi64_mask, _mm256_mask_cmpge_epu32_mask,
19582         _mm256_mask_cmpge_epu64_mask, _mm256_mask_cmple_epi32_mask,
19583         _mm256_mask_cmple_epi64_mask, _mm256_mask_cmple_epu32_mask,
19584         _mm256_mask_cmple_epu64_mask, _mm256_mask_cmplt_epi32_mask,
19585         _mm256_mask_cmplt_epi64_mask, _mm256_mask_cmplt_epu32_mask,
19586         _mm256_mask_cmplt_epu64_mask, _mm256_mask_cmpneq_epi32_mask,
19587         _mm256_mask_cmpneq_epi64_mask, _mm256_mask_cmpneq_epu32_mask,
19588         _mm256_mask_cmpneq_epu64_mask, _mm_cmpge_epi32_mask,
19589         _mm_cmpge_epi64_mask, _mm_cmpge_epu32_mask, _mm_cmpge_epu64_mask,
19590         _mm_cmple_epi32_mask, _mm_cmple_epi64_mask, _mm_cmple_epu32_mask,
19591         _mm_cmple_epu64_mask, _mm_cmplt_epi32_mask, _mm_cmplt_epi64_mask,
19592         _mm_cmplt_epu32_mask, _mm_cmplt_epu64_mask, _mm_cmpneq_epi32_mask,
19593         _mm_cmpneq_epi64_mask, _mm_cmpneq_epu32_mask, _mm_cmpneq_epu64_mask,
19594         _mm_mask_cmpge_epi32_mask, _mm_mask_cmpge_epi64_mask,
19595         _mm_mask_cmpge_epu32_mask, _mm_mask_cmpge_epu64_mask,
19596         _mm_mask_cmple_epi32_mask, _mm_mask_cmple_epi64_mask,
19597         _mm_mask_cmple_epu32_mask, _mm_mask_cmple_epu64_mask,
19598         _mm_mask_cmplt_epi32_mask, _mm_mask_cmplt_epi64_mask,
19599         _mm_mask_cmplt_epu32_mask, _mm_mask_cmplt_epu64_mask,
19600         _mm_mask_cmpneq_epi32_mask, _mm_mask_cmpneq_epi64_mask,
19601         _mm_mask_cmpneq_epu32_mask, _mm_mask_cmpneq_epu64_mask): Move
19602         definitions outside of __OPTIMIZE__ guarded section.
19603
19604         PR target/79932
19605         * config/i386/avx512bwintrin.h (_mm512_packs_epi32,
19606         _mm512_maskz_packs_epi32, _mm512_mask_packs_epi32,
19607         _mm512_packus_epi32, _mm512_maskz_packus_epi32,
19608         _mm512_mask_packus_epi32): Move definitions outside of __OPTIMIZE__
19609         guarded section.
19610
19611 2017-03-09  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19612
19613         * config/s390/vx-builtins.md ("vfee<mode>", "vfeez<mode>")
19614         ("vfenez<mode>"): Add missing constraints.
19615
19616 2017-03-08  Martin Sebor  <msebor@redhat.com>
19617
19618         PR target/79928
19619         * config/nds32/nds32.c (nds32_option_override):
19620         Fix misspelled diagnostic.
19621
19622 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
19623
19624         PR c/79940
19625         * gimplify.c (gimplify_omp_for): Replace index var in outer
19626         taskloop statement with an artificial variable and add
19627         OMP_CLAUSE_PRIVATE clause for it.
19628
19629 2017-03-08  Richard Biener  <rguenther@suse.de>
19630
19631         PR tree-optimization/79955
19632         * tree-ssa-uninit.c (warn_uninitialized_vars): Do not warn
19633         for accesses that are completely outside of the variable.
19634
19635 2017-03-08  Andrew Haley  <aph@redhat.com>
19636
19637         PR tree-optimization/79943
19638         * tree-ssa-loop-split.c (compute_new_first_bound): When
19639         calculating the new upper bound, (END-BEG) should be added, not
19640         subtracted.
19641
19642 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
19643
19644         * config/avr/avr.md (setmemhi): Make sure match_dup
19645         operand number comes before match_scratch.
19646
19647 2017-03-08  Richard Biener  <rguenther@suse.de>
19648
19649         PR tree-optimization/79920
19650         * tree-vect-slp.c (vect_create_mask_and_perm): Remove and inline
19651         with ncopies == 1 to ...
19652         (vect_transform_slp_perm_load): ... here.  Properly compute
19653         all element loads by iterating VF times over the group.  Do
19654         not handle ncopies (computed in a broken way) in
19655         vect_create_mask_and_perm.
19656
19657 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
19658
19659         PR sanitizer/79904
19660         * internal-fn.c (expand_vector_ubsan_overflow): If arg0 or arg1
19661         is a uniform vector, use uniform_vector_p return value instead of
19662         building ARRAY_REF on folded VIEW_CONVERT_EXPR to array type.
19663
19664 2017-03-07  Marek Polacek  <polacek@redhat.com>
19665
19666         PR middle-end/79809
19667         * gimple-ssa-warn-alloca.c (pass_walloca::gate): Use HOST_WIDE_INT.
19668         (alloca_call_type): Likewise.
19669
19670 2017-03-07  Martin Liska  <mliska@suse.cz>
19671
19672         * gcov.c (process_args): Put comment to correct location.
19673
19674 2017-03-07  Martin Liska  <mliska@suse.cz>
19675
19676         PR middle-end/68270
19677         * tree-chkp.c (chkp_may_narrow_to_field): Add new argument ref.
19678         Use array_at_struct_end_p instead of DECL_CHAIN (field).
19679         (chkp_narrow_bounds_for_field): Likewise.
19680         (chkp_parse_array_and_component_ref): Pass one more argument to
19681         call.
19682
19683 2017-03-07  Richard Biener  <rguenther@suse.de>
19684
19685         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Preserve
19686         preheaders.
19687
19688 2017-03-07  Segher Boessenkool  <segher@kernel.crashing.org>
19689
19690         * config/i386/i386.c (ix86_local_alignment): Align most aggregates
19691         of 16 bytes and more to 16 bytes, not those of 16 bits and more.
19692
19693 2017-03-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
19694
19695         PR c/79855
19696         * params.def (PARAM_STORE_MERGING_ALLOW_UNALIGNED): Add full stop
19697         to end of description.
19698         (PARAM_MAX_STORES_TO_MERGE): Likewise.
19699
19700 2017-03-07  Jakub Jelinek  <jakub@redhat.com>
19701
19702         PR rtl-optimization/79901
19703         * config/i386/sse.md (*avx512bw_<code><mode>3<mask_name>): Renamed to
19704         ...
19705         (*avx512f_<code><mode>3<mask_name>): ... this.
19706         (<code><mode>3 with maxmin code iterator): Use VI8_AVX2_AVX512F
19707         iterator instead of VI8_AVX2_AVX512BW.
19708
19709         PR rtl-optimization/79901
19710         * expr.c (expand_expr_real_2): For vector MIN/MAX, if there is no
19711         min/max expander, expand it using expand_vec_cond_expr.
19712
19713         PR sanitizer/79897
19714         * ubsan.c (ubsan_encode_value): Call mark_addressable on the
19715         temporary.
19716
19717 2017-03-06  Jakub Jelinek  <jakub@redhat.com>
19718
19719         PR c++/79821
19720         * dwarf2out.h (dw_vec_const): Change array type from unsigned char *
19721         to void * for PCH reasons.
19722         * dwarf2out.c (output_loc_operands, output_die): Cast
19723         v.val_vec.array to unsigned char *.
19724
19725 2017-03-06  John David Anglin  <danglin@gcc.gnu.org>
19726
19727         PR target/77850
19728         * config/pa/pa-64.h (PAD_VARARGS_DOWN): Don't pad down complex and
19729         vector types.
19730
19731 2017-03-06  Vladimir Makarov  <vmakarov@redhat.com>
19732
19733         PR rtl-optimization/79571
19734         * lra-constraints.c (process_alt_operands): Calculate static
19735         reject and subtract it from overall when only addresses will be
19736         reloaded.
19737
19738 2017-03-06  Julia Koval  <julia.koval@intel.com>
19739
19740         PR target/79793
19741         * config/i386/i386.c (ix86_minimum_incoming_stack_boundary): Set
19742         incoming stack boundary to 128 for 64-bit targets.
19743
19744 2017-03-06  Richard Biener  <rguenther@suse.de>
19745
19746         PR tree-optimization/79894
19747         * tree-vectorizer.c (vectorize_loops): Set loop_vectorized_call
19748         to NULL after folding it.
19749
19750 2017-03-06  Richard Biener  <rguenther@suse.de>
19751
19752         PR tree-optimization/79824
19753         * tree-vect-stmts.c (get_group_load_store_type): Fix alignment
19754         check disabling peeling for gaps.
19755
19756 2017-03-06  Toma Tabacu  <toma.tabacu@imgtec.com>
19757
19758         * doc/sourcebuild.texi (Effective-Target Keywords, Environment
19759         attributes): Document gettimeofday.
19760
19761 2017-03-06  Robin Dapp  <rdapp@linux.vnet.ibm.com>
19762
19763         * config/s390/s390.c (s390_option_override_internal): Set
19764         PARAM_MIN_VECT_LOOP_BOUND
19765
19766 2017-03-06  Robin Dapp  <rdapp@linux.vnet.ibm.com>
19767
19768         * config/s390/s390.c (s390_asm_output_function_label): Use nopr %r0.
19769         * config/s390/s390.md: Likewise.
19770
19771 2017-03-06  Jakub Jelinek  <jakub@redhat.com>
19772
19773         PR target/79812
19774         * config/i386/sse.md (VI8F_256_512): Remove mode iterator.
19775         (<avx2_avx512>_perm<mode>): Rename to ...
19776         (avx2_perm<mode>): ... this.  Use VI8F_256 iterator instead
19777         of VI8F_256_512.
19778         (<avx512>_perm<mode>_mask): Rename to ...
19779         (avx512vl_perm<mode>_mask): ... this.  Use VI8F_256 iterator instead
19780         of VI8F_256_512.
19781         (<avx2_avx512>_perm<mode>_1<mask_name>): Rename to ...
19782         (avx2_perm<mode>_1<mask_name): ... this.  Use VI8F_256 iterator
19783         instead of VI8F_256_512.
19784         (avx512f_perm<mode>): New define_expand.
19785         (avx512f_perm<mode>_mask): Likewise.
19786         (avx512f_perm<mode>_1<mask_name>): New define_insn.
19787         (<avx512>_vec_dup<mode>_1): Fix up vec_select mode.
19788
19789 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
19790
19791         * config/mips/mips-msa.md (msa_fmax_a_<msafmt>, msa_fmin_a_<msafmt>,
19792         msa_max_a_<msafmt>, msa_min_a_<msafmt>): Introduce mode interator for
19793         if_then_else.
19794         (smin<mode>3, smax<mode>3): Change operand print code from 'B' to 'E'.
19795
19796 2017-03-06  Martin Liska  <mliska@suse.cz>
19797
19798         PR sanitize/79783
19799         * asan.c (asan_expand_poison_ifn): Do not expand ASAN_POISON
19800         when having a SSA NAME w/o VAR_DECL assigned to it.
19801
19802 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
19803
19804         * config/mips/mips-msa.md (msa_dotp_<su>_d, msa_dpadd_<su>_d,
19805         msa_dpsub_<su>_d): Fix MODE for vec_select.
19806
19807 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
19808
19809         * config/mips/mips.c (mips_gen_const_int_vector): Change type of last
19810         argument.
19811         * config/mips/mips-protos.h (mips_gen_const_int_vector): Likewise.
19812
19813 2017-03-06  Richard Biener  <rguenther@suse.de>
19814
19815         * lto-streamer.c (lto_check_version): Use %qs in diagnostics.
19816         * plugin.c (register_plugin_info): Likewise.
19817         * tree-chkp.c (chkp_make_static_const_bounds): Likewise.
19818
19819 2017-03-05  Jakub Jelinek  <jakub@redhat.com>
19820
19821         * config/i386/sse.md (sse_storehps, sse_storelps,
19822         avx_<castmode><avxsizesuffix>_<castmode>,
19823         avx512f_<castmode><avxsizesuffix>_<castmode>,
19824         avx512f_<castmode><avxsizesuffix>_256<castmode>): Require
19825         in condition that at least one operand is not a MEM.
19826
19827 2017-03-03  Jakub Jelinek  <jakub@redhat.com>
19828
19829         PR middle-end/79805
19830         * internal-fn.def (ATOMIC_BIT_TEST_AND_SET, ATOMIC_BIT_TEST_AND_RESET,
19831         ATOMIC_BIT_TEST_AND_COMPLEMENT, ATOMIC_COMPARE_EXCHANGE): Remove
19832         ECF_NOTHROW.
19833         * gimple-fold.c (fold_builtin_atomic_compare_exchange): Set
19834         gimple_call_nothrow_p flag based on whether original builtin can throw.
19835         If it can, emit following stmts on the fallthrough edge.
19836         * tree-ssa-ccp.c (optimize_atomic_bit_test_and): Similarly, except
19837         don't create new bb if inserting just debug stmts on the edge, try to
19838         insert them on the fallthru bb or just reset debug stmts.
19839
19840 2017-03-03  Segher Boesssenkool  <segher@kernel.crashing.org>
19841
19842         PR target/43763
19843         * config/rs6000/rs6000.c (rs6000_final_prescan_insn): Save and
19844         restore recog_data (including the operand rtxes inside it) around
19845         the call to get_insn_template.
19846
19847 2017-03-03  Martin Sebor  <msebor@redhat.com>
19848
19849         PR tree-optimization/79699
19850         * context.c (context::~context): Free MPFR caches to avoid
19851         a memory leak on program exit.
19852
19853 2017-03-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
19854
19855         * config/aarch64/aarch64.c (aarch64_float_const_representable_p):
19856         Use wide_int::ulow () instead of .elt (0).
19857
19858 2017-03-03  Uros Bizjak  <ubizjak@gmail.com>
19859
19860         * config/i386/i386.md (*pushtf): Change *roF constraint to *roC.
19861         (*pushxf): Limit oF constraint to 32bit targets and add oC
19862         constraint for 64bit targets.
19863         (pushxf splitter): Use PUSH_ROUNDING to calculate stack adjustment.
19864         (*pushdf): Change rmF constraint to rmC.
19865
19866 2017-03-03  Martin Liska  <mliska@suse.cz>
19867
19868         * tree-ssa-loop-prefetch.c (pass_loop_prefetch::execute):
19869         Remove unused variable.
19870
19871 2017-03-03  Jakub Jelinek  <jakub@redhat.com>
19872
19873         PR target/79807
19874         * config/i386/i386.c (ix86_expand_multi_arg_builtin): If target
19875         is a memory operand, increase num_memory.
19876         (ix86_expand_args_builtin): Likewise.
19877
19878 2017-03-03  Jan Hubicka  <jh@suse.cz>
19879
19880         PR lto/79760
19881         * ipa-devirt.c (maybe_record_node): Properly handle
19882         __cxa_pure_virtual visibility.
19883
19884 2017-03-03  Martin Liska  <mliska@suse.cz>
19885
19886         PR tree-optimization/79803
19887         * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Remove
19888         assert.
19889         (pass_loop_prefetch::execute): Disabled optimization if an
19890         assumption about L1 cache size is not met.
19891
19892 2017-03-03  Martin Liska  <mliska@suse.cz>
19893
19894         PR rtl-optimization/79574
19895         * gcse.c (struct gcse_expr): Use HOST_WIDE_INT instead of int.
19896         (hash_scan_set): Likewise.
19897         (dump_hash_table): Likewise.
19898         (hoist_code): Likewise.
19899
19900 2017-03-03  Richard Biener  <rguenther@suse.de>
19901
19902         * fixed-value.c (fixed_from_string): Restore use of elt (1)
19903         in place of uhigh ().
19904         (fixed_convert_from_real): Likewise.
19905
19906 2017-03-03  Uros Bizjak  <ubizjak@gmail.com>
19907
19908         PR target/79514
19909         * config/i386/i386.md (*pushxf_rounded): Use Pmode instead of DImode.
19910
19911 2017-03-03  Richard Biener  <rguenther@suse.de>
19912
19913         PR middle-end/79818
19914         * match.pd ( X +- C1 CMP C2 -> X CMP C2 -+ C1): Add missing
19915         TYPE_OVERFLOW_UNDEFINED check.
19916
19917 2017-03-02  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
19918
19919         * config/rs6000/vector.md (vector_ne_<mode>_p): Correct operand
19920         numbers.
19921         (vector_ae_<mode>_p): Likewise.
19922         (vector_nez_<mode>_p): Likewise.
19923         (vector_ne_v2di_p): Likewise.
19924         (vector_ae_v2di_p): Likewise.
19925         (vector_ne_<mode>_p): Likewise.
19926         * config/rs6000/vsx.md (vsx_tsqrt<mode>2_fg): Correct operand
19927         numbers.
19928         (vsx_tsqrt<mode>2_fe): Likewise.
19929
19930 2017-03-02  Uros Bizjak  <ubizjak@gmail.com>
19931
19932         PR target/79514
19933         * config/i386/i386.md (*pushxf_rounded): New insn_and_split pattern.
19934
19935 2017-03-02  Jakub Jelinek  <jakub@redhat.com>
19936
19937         PR rtl-optimization/79780
19938         * cprop.c (one_cprop_pass): When second and further conditional trap
19939         in a single basic block is turned into an unconditional trap, turn it
19940         into a deleted note to avoid RTL verification failures.
19941
19942 2017-03-02  Richard Biener  <rguenther@suse.de>
19943
19944         * fold-const.c (const_binop): Use ulow () instead of elt (0).
19945
19946 2017-03-02  Richard Biener  <rguenther@suse.de>
19947
19948         PR tree-optimization/79345
19949         PR c++/42000
19950         * tree-ssa-alias.c (walk_aliased_vdefs_1): Take a limit
19951         param and abort the walk, returning -1 if it is hit.
19952         (walk_aliased_vdefs): Take a limit param and pass it on.
19953         * tree-ssa-alias.h (walk_aliased_vdefs): Add a limit param,
19954         defaulting to 0 and return a signed int.
19955         * tree-ssa-uninit.c (struct check_defs_data): New struct.
19956         (check_defs): New helper.
19957         (warn_uninitialized_vars): Use walk_aliased_vdefs to warn
19958         about uninitialized memory.
19959         * fixed-value.c (fixed_from_string): Use ulow/uhigh to avoid
19960         bogus uninitialized warning.
19961         (fixed_convert_from_real): Likewise.
19962
19963 2017-03-02  Bin Cheng  <bin.cheng@arm.com>
19964
19965         PR tree-optimization/66768
19966         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Skip addr
19967         iv_use if base object can't be determined.
19968
19969 2017-03-02  Jakub Jelinek  <jakub@redhat.com>
19970
19971         PR tree-optimization/79345
19972         * gensupport.h (struct pattern_stats): Add min_scratch_opno field.
19973         * gensupport.c (get_pattern_stats_1) <case MATCH_SCRATCH>: Update it.
19974         (get_pattern_stats): Initialize it.
19975         * genemit.c (gen_expand): Verify match_scratch numbers come after
19976         match_operand/match_dup numbers.
19977         * config/i386/i386.md (<s>mul<mode>3_highpart): Swap match_dup and
19978         match_scratch numbers.
19979         * config/i386/sse.md (avx2_gathersi<mode>, avx2_gatherdi<mode>):
19980         Likewise.
19981         * config/s390/s390.md (trunctdsd2): Likewise.
19982
19983 2017-03-02  Richard Biener  <rguenther@suse.de>
19984
19985         * wide-int.h (wide_int_storage::operator=): Implement in terms
19986         of wi::copy.
19987
19988 2017-03-02  Richard Biener  <rguenther@suse.de>
19989
19990         PR tree-optimization/79777
19991         * tree-ssa-pre.c (eliminate_insert): Give up if we simplify
19992         the to insert expression to sth existing.
19993
19994 2017-03-01  Martin Sebor  <msebor@redhat.com>
19995
19996         PR middle-end/79692
19997         * gimple-ssa-sprintf.c
19998         (directive::known_width_and_precision): New function.
19999         (format_integer): Use it.
20000         (get_mpfr_format_length): Consider the full range of precision
20001         when computing %g output with the # flag.  Set the likely byte
20002         count to 3 rather than 1 when precision is indeterminate.
20003         (format_floating): Correct the lower bound of precision.
20004
20005 2017-03-01  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
20006
20007         * doc/invoke.texi: Document default code model for 64-bit Linux.
20008
20009 2017-03-01  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
20010
20011         PR target/79752
20012         * config/rs6000/rs6000.md (peephole2 for udiv/umod): Should emit
20013         udiv rather than div since input pattern is unsigned.
20014
20015 2017-03-01  Uros Bizjak  <ubizjak@gmail.com>
20016
20017         * config/i386/i386.c (print_reg): Warn for values of
20018         unsupported size in integer register.
20019
20020 2017-03-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
20021
20022         PR target/79439
20023         * config/rs6000/predicates.md (current_file_function_operand): Do
20024         not allow self calls to be local if the function is replaceable.
20025
20026 2017-03-01  Kelvin Nilsen  <kelvin@gcc.gnu.org>
20027
20028         PR target/79395
20029         * config/rs6000/altivec.h (vec_ctz and others): Change the
20030         preprocessor macro that controls conditional compilation from
20031         _ARCH_PWR9 to __POWER9_VECTOR__.
20032         (vec_all_ne): Change parameterization of __altivec_scalar_pred
20033         macro expansion under preprocessor #ifdef __POWER9_VECTOR__
20034         control (instead of _ARCH_PWR9 control) so that template
20035         definition uses power9-specific function.
20036         (vec_any_eq): Likewise.
20037         (vec_all_ne): Change macro definition to use a power9-specific
20038         expansion under #ifdef __POWER9_VECTOR__ control (instead of
20039         _ARCH_PWR9 control).
20040         (vec_any_eq) Likewise.
20041         * config/rs6000/rs6000-builtin.def (CMPNEF): Remove BU_P9V_AV_2
20042         expansion for CMPNEF to remove support for xvcmpnesp instruction.
20043         (CMPNED): Remove BU_P9V_AV2 expansion for CMPNED to remove
20044         support for xvcmpnedp instruction.
20045         (VCMPNEB_P): Replace BU_P9V_AV_P macro expansion with BU_P9V_AV_2
20046         macro expansion so that Power9 implementation of vec_all_ne does
20047         not use the AltiVec predicate framework.
20048         (VCMPNEH_P): Likewise.
20049         (VCMPNEW_P): Likewise.
20050         (VCMPNED_P): Likewise.
20051         (VCMPNEFP_P): Likewise.
20052         (VCMPNEDP_P): Likewise.
20053         (VCMPAEB_P): Add BU_P9V_AV_2 macro expansion to change
20054         implementation of vec_any_eq to not use AltiVec predicate
20055         framework.
20056         (VCMPAEH_P): Likewise.
20057         (VCMPAEW_P): Likewise.
20058         (VCMPAED_P): Likewise.
20059         (VCMPAEFP_P): Likewise.
20060         (VCMPAEDP_P): Likewise.
20061         (VCMPNE_P): Replace BU_P9V_OVERLOAD_P macro expansion with
20062         BU_P9V_OVERLOAD_2 so that Power9 implementation of vec_all_ne does
20063         not use the AltiVec predicate framework.
20064         (VCMPAE_P): Add BU_P9V_OVERLOAD_2 macro to change implementation
20065         of vec_any_eq to not use AltiVec predicate framework.
20066         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Add
20067         support for predefined __POWER9_VECTOR__ macro to indicate that
20068         Power9 instruction selection is enabled.
20069         (altivec_overloaded_builtins): Remove extraneous
20070         ALTIVEC_BUILTIN_VEC_CMPNE entry for overloaded
20071         function argument types RS6000_BTI_bool_V16QI and
20072         RS6000_BTI_bool_V16QI.  Remove erroneous ALTIVEC_BUILTIN_VEC_CMPNE
20073         entry for overloaded function argument types RS6000_BTI_bool_V4SI
20074         andRS6000_BTI_bool_V4SI, mapping to P9V_BUILTIN_CMPNEB.  Remove
20075         two entries mapping to P9V_BUITIN_CMPNED and one entry mapping to
20076         P9V_BUILTIN_CMPNEF to force use of instructions not specific to
20077         Power9 for implementations of vec_cmpne.  Change the signature for
20078         all definitions of the overloaded P9V_BUILTIN_VEC_CMPNE_P function
20079         (representing vec_all_ne) to remove the previously described first
20080         argument of type RS6000_BTI_INTSI, as this was an artifact of
20081         reliance on the AltiVec predicate framework, which is no longer
20082         used in the implementation of these functions.  Add
20083         P9V_BUILTIN_VEC_VCMPAE_P entries (representing the vec_anyeq
20084         function) to match all of the P9V_BUILTIN_VEC_VCMNE_P entries
20085         since, unlike the AltiVec predicate framework implementation, we
20086         do not share function descriptors between vec_alle and vec_anyeq.
20087         (altivec_resolve_overloaded_builtin): Add SFmode and DFmode to the
20088         set of modes that receive special treatment even when
20089         TARGET_P9_VECTOR is true.  The special treatment emits code that
20090         does not depend on Power9 instructions.
20091         * config/rs6000/vector.md (vector_ne_<mode>_p): Change this
20092         define_expand to not rely on AltiVec predicate framework.
20093         (vector_ae_<mode>p): New define_expand to represent vec_any_eq
20094         function.
20095         (vector_ne_v2di_p): Change this define_expand to not rely on
20096         AltiVec predicate framework.
20097         (vector_ae_v2di_p): New define_expand to represent vec_any_eq
20098         function.
20099         (vector_ne_<mode>_p): Change this define_expand to not rely on
20100         AltiVec predicate framework.
20101         (vector_ae_<mode>p): New define_expand to represent vec_any_eq
20102         function.
20103         * config/rs6000/vsx.md (*vsx_ne_<mode>_p): For modes VSX_EXTRACT_I
20104         (V16QI, V8HI, V4SI), correct a typo in the code emitted for this
20105         define_insn pattern.
20106         (*vsx_ne_<mode>_p): For modes VSX_F (V4SF and V2DF), remove this
20107         define_insn pattern because the xvcmpne<VSs>. instruction is not
20108         supported.
20109         (vcmpne<VSs>): Remove this define_insn because xvcmpne<VSs>
20110         instruction is not supported.
20111
20112 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
20113
20114         * config/nvptx/nvptx.c: Include intl.h.
20115
20116 2017-03-01  Martin Jambor  <mjambor@suse.cz>
20117
20118         PR lto/78140
20119         * ipa-prop.h (ipa_bits): Removed field known.
20120         (ipa_jump_func): Removed field vr_known.  Changed fields bits and m_vr
20121         to pointers.  Adjusted their comments to warn about their sharing.
20122         (ipcp_transformation_summary): Change bits to a vector of pointers.
20123         (ipa_check_create_edge_args): Moved to ipa-prop.c, declare.
20124         (ipa_get_ipa_bits_for_value): Declare.
20125         * tree-vrp.h (value_range): Mark as GTY((for_user)).
20126         * ipa-prop.c (ipa_bit_ggc_hash_traits): New.
20127         (ipa_bits_hash_table): Likewise.
20128         (ipa_vr_ggc_hash_traits): Likewise.
20129         (ipa_vr_hash_table): Likewise.
20130         (ipa_print_node_jump_functions_for_edge): Adjust for bits and m_vr
20131         being pointers and vr_known being removed.
20132         (ipa_set_jf_unknown): Likewise.
20133         (ipa_get_ipa_bits_for_value): New function.
20134         (ipa_set_jfunc_bits): Likewise.
20135         (ipa_get_value_range): New overloaded functions.
20136         (ipa_set_jfunc_vr): Likewise.
20137         (ipa_compute_jump_functions_for_edge): Use the above functions to
20138         construct bits and vr parts of jump functions.
20139         (ipa_check_create_edge_args): Move here from ipa-prop.h, also allocate
20140         ipa_bits_hash_table and ipa_vr_hash_table if they do not already
20141         exist.
20142         (ipcp_grow_transformations_if_necessary): Also allocate
20143         ipa_bits_hash_table and ipa_vr_hash_table if they do not already
20144         exist.
20145         (ipa_node_params_t::duplicate): Do not copy bits, just pointers to
20146         them.  Fix too long lines.
20147         (ipa_write_jump_function): Adjust for bits and m_vr being pointers and
20148         vr_known being removed.
20149         (ipa_read_jump_function): Use new setter functions to construct bits
20150         and vr parts of jump functions or set them to NULL.
20151         (write_ipcp_transformation_info): Adjust for bits being pointers.
20152         (read_ipcp_transformation_info): Likewise.
20153         (ipcp_update_bits): Likewise.  Fix excessively long lines a trailing
20154         space.
20155         Include gt-ipa-prop.h.
20156         * ipa-cp.c (propagate_bits_across_jump_function): Adjust for bits
20157         being pointers.
20158         (ipcp_store_bits_results): Likewise.
20159         (propagate_vr_across_jump_function): Adjust for m_vr being a pointer.
20160         Do not write to existing jump functions but use a temporary instead.
20161
20162 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
20163
20164         PR c++/79681
20165         * fold-const.c (make_bit_field_ref): If orig_inner is COMPONENT_REF,
20166         attempt to use its first operand as BIT_FIELD_REF base.
20167
20168 2017-03-01  Richard Biener  <rguenther@suse.de>
20169
20170         PR middle-end/79721
20171         * tree-chrec.c (chrec_evaluate): Perform computation of Newtons
20172         interpolating formula in wrapping arithmetic.
20173         (chrec_apply): Convert chrec_evaluate return value to wanted type.
20174
20175 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
20176
20177         PR tree-optimization/79734
20178         * tree-vect-generic.c (expand_vector_condition): Optimize
20179         AVX512 vector boolean VEC_COND_EXPRs into bitwise operations.
20180         Handle VEC_COND_EXPR where comparison has different inner width from
20181         type's inner width.
20182
20183 2017-02-28  Sandra Loosemore  <sandra@codesourcery.com>
20184
20185         * doc/invoke.texi (ARC Options): Copy-edit to fix punctuation,
20186         markup, and similar issues.  Remove @opindex entries for things
20187         that aren't options.  Add missing -mmpy-option entries.
20188
20189 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
20190
20191         PR tree-optimization/79737
20192         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): If bitlen is
20193         a multiple of BITS_PER_UNIT and !BYTES_BIG_ENDIAN, clear
20194         tmpbuf[byte_size - 1].  Call natice_encode_expr with byte_size - 1
20195         instead of byte_size.  Formatting fix.
20196         (shift_bytes_in_array_right): Formatting fix.
20197
20198 2017-02-28  Eric Botcazou  <ebotcazou@adacore.com>
20199
20200         PR target/79749
20201         * config/sparc/sparc.c (sparc_frame_pointer_required): Add missing
20202         condition on optimize for the leaf function test.
20203
20204 2017-02-28  Martin Liska  <mliska@suse.cz>
20205
20206         PR lto/79625
20207         * read-rtl-function.c (function_reader::handle_unknown_directive):
20208         Bail out when one uses -flto.
20209
20210 2017-02-28  Martin Liska  <mliska@suse.cz>
20211
20212         * common.opt: Replace space with tabular for options of <number>
20213         type.
20214         * config/i386/i386.opt: Show <number> value for
20215         -mlarge-data-threshold.
20216         * opts.c (print_filtered_help): Do not display number in hexadecimal
20217         format.
20218
20219 2017-02-28  Martin Liska  <mliska@suse.cz>
20220
20221         * common.opt: Fix --help=option -Q for options which are of
20222         an enum type.
20223
20224 2017-02-28  Uros Bizjak  <ubizjak@gmail.com>
20225
20226         * config/i386/i386.c (print_reg): Error out for values
20227         of 8-bit size in invalid integer register.
20228
20229 2017-02-28  Martin Sebor  <msebor@redhat.com>
20230
20231         PR tree-optimization/79691
20232         * passes.def (pass_all_optimizations_g): Enable pass_sprintf_length.
20233
20234 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
20235
20236         PR target/79729
20237         * config/i386/i386.c (ix86_print_operand) <case 'R'>: Replace
20238         gcc_unreachable with output_operand_lossage.
20239
20240 2017-02-28  Richard Biener  <rguenther@suse.de>
20241
20242         PR tree-optimization/79740
20243         * tree-ssa-sccvn.c (vn_nary_op_insert_into): Allow redundant
20244         inserts.
20245         (visit_nary_op): Insert the nary into the hashtable if we
20246         pattern-matched sth.
20247         * tree-ssa-pre.c (eliminate_insert): Robustify.
20248
20249 2017-02-28  Richard Biener  <rguenther@suse.de>
20250
20251         PR middle-end/79731
20252         * fold-const.c (decode_field_reference): Reject out-of-bound
20253         accesses.
20254
20255 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
20256
20257         * config/i386/i386.c: Include intl.h.
20258         (ix86_option_override_internal): Use cond ? G_("...") : G_("...")
20259         instead of just cond ? "..." : "...".
20260         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Likewise.
20261         * coverage.c (read_counts_file): Likewise.
20262         * omp-offload.c: Include intl.h.
20263         (oacc_loop_fixed_partitions): Use cond ? G_("...") : G_("...") instead
20264         of just cond ? "..." : "...".
20265         * gcov.c (read_count_file): Use cond ? N_("...") : N_("...") instead
20266         of just cond ? "..." : "...".
20267
20268 2017-02-28  Richard Earnshaw  <rearnsha@arm.com>
20269
20270         PR target/79742
20271         * config/arm/parsecpu.awk (gen_data): Set tuning target to 'tune for'
20272         entry, if present.
20273         * config/arm/arm-cpus.in (cortex-m0plus.small-multiply): Correct
20274         'tune for' CPU name.
20275         * config/arm/arm-cpu-data.h: Regenerated.
20276
20277 2017-02-28  Richard Biener  <rguenther@suse.de>
20278
20279         PR tree-optimization/79732
20280         * tree-inline.c (expand_call_inline): Do not shadow var.
20281
20282 2017-02-28  Richard Biener  <rguenther@suse.de>
20283
20284         PR tree-optimization/79723
20285         * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): Preserve
20286         address-space properly.
20287
20288 2017-02-28  Thomas Schwinge  <thomas@codesourcery.com>
20289
20290         * doc/optinfo.texi (Optimization groups): Fix option used for
20291         OPTGROUP_ALL.
20292         * doc/invoke.texi (-fopt-info): Document "omp".
20293         * dumpfile.h: Sort OPTGROUP_OMP before OPTGROUP_VEC.
20294         (OPTGROUP_ALL): Add OPTGROUP_OMP.
20295         * hsa-gen.c (pass_data_gen_hsail): Use OPTGROUP_OMP.
20296         * ipa-hsa.c (pass_data_ipa_hsa): Likewise.
20297         * omp-simd-clone.c (pass_data_omp_simd_clone): Likewise.
20298
20299         * dumpfile.h (OPTGROUP_OPENMP): Rename to OPTGROUP_OMP.  Adjust
20300         all users.
20301         * dumpfile.c (optgroup_options): Instead of "openmp", associate
20302         OPTGROUP_OMP with "omp".
20303
20304 2017-02-27  Pat Haugen  <pthaugen@us.ibm.com>
20305
20306         PR target/79544
20307         * config/rs6000/rs6000-c.c (struct altivec_builtin_types): Use VSRAD
20308         for arithmetic shift of unsigned V2DI.
20309
20310 2017-02-27  Claudiu Zissulescu  <claziss@synopsys.com>
20311
20312         * config.gcc (arc*-): Clean up, use arc/big.h, arc/elf.h, and
20313         arc/linux.h headers.
20314         * config/arc/arc.h (TARGET_OS_CPP_BUILTINS): Remove.
20315         (LINK_SPEC): Likewise.
20316         (ARC_TLS_EXTRA_START_SPEC): Likewise.
20317         (EXTRA_SPECS): Likewise.
20318         (STARTFILE_SPEC): Likewise.
20319         (ENDFILE_SPEC): Likewise.
20320         (LIB_SPEC): Likewise.
20321         (TARGET_SDATA_DEFAULT): Likewise.
20322         (TARGET_MMEDIUM_CALLS_DEFAULT): Likewise.
20323         (MULTILIB_DEFAULTS): Likewise.
20324         (DWARF2_UNWIND_INFO): Likewise.
20325         * config/arc/big.h: New file.
20326         * config/arc/elf.h: Likewise.
20327         * config/arc/linux.h: Likewise.
20328         * config/arc/t-uClibc: Remove.
20329
20330 2017-02-27  Bin Cheng  <bin.cheng@arm.com>
20331
20332         PR tree-optimization/77536
20333         * tree-ssa-loop-manip.c (niter_for_unrolled_loop): New function.
20334         (tree_transform_and_unroll_loop): Use above function to compute the
20335         estimated niter of unrolled loop and use it when scaling profile.
20336         Also use count info rather than frequency if it's non-zero.
20337         * tree-ssa-loop-manip.h niter_for_unrolled_loop(): New declaration.
20338         * tree-vect-loop.c (scale_profile_for_vect_loop): New function.
20339         (vect_transform_loop): Call above function.
20340
20341 2017-02-27  Richard Biener  <rguenther@suse.de>
20342
20343         PR tree-optimization/45397
20344         * tree-ssa-pre.c (eliminate_insert): Handle BIT_AND_EXPR.
20345         * tree-ssa-sccvn.c (valueized_wider_op): New helper.
20346         (visit_nary_op): Add pattern matching for CSEing sign-changed
20347         or truncated operations with wider ones.
20348
20349 2017-02-27  Richard Biener  <rguenther@suse.de>
20350
20351         PR tree-optimization/79690
20352         * tree-vect-stmts.c (vectorizable_store): Use vector type
20353         built from the DR with address-space.
20354
20355 2017-02-26  Gerald Pfeifer  <gerald@pfeifer.com>
20356
20357         * doc/invoke.texi (Optimize Options): Refine the description
20358         of asan-use-after-return.
20359
20360 2017-02-25  Alan Modra  <amodra@gmail.com>
20361
20362         PR rtl-optimization/79584
20363         * lra-constraints.c (base_to_reg): Reload ad->base, the entire
20364         base, not ad->base_term, the reg within base.  Remove assertion
20365         that ad->base == ad->base_term.  Replace gen_int_mode using
20366         bogus mode with const0_rtx.
20367
20368 2017-02-25  Jakub Jelinek  <jakub@redhat.com>
20369
20370         PR middle-end/79396
20371         * tree-eh.c (operation_could_trap_p, stmt_could_throw_1_p): Handle
20372         FMA_EXPR like tcc_binary or tcc_unary.
20373
20374         * tree-ssa-loop-niter.c (number_of_iterations_exit): Simplify warning.
20375
20376         PR debug/77589
20377         * dwarf2out.c (struct dw_loc_list_struct): Add noted_variable_value
20378         bitfield.
20379         (size_of_loc_descr): Handle DW_OP_GNU_variable_value.
20380         (output_loc_operands): Handle DW_OP_call_ref and
20381         DW_OP_GNU_variable_value.
20382         (struct variable_value_struct): New type.
20383         (struct variable_value_hasher): Likewise.
20384         (variable_value_hash): New variable.
20385         (string_types): Remove.
20386         (copy_loc_descr): New function.
20387         (add_loc_descr_to_each): Clarify comment.  Use copy_loc_descr.
20388         (prepend_loc_descr_to_each): New function.
20389         (add_loc_list): Fix comment typo.  Use prepend_loc_descr_to_each
20390         instead of add_loc_descr_to_each if the first argument is single
20391         location list and the second has multiple.
20392         (resolve_args_picking_1): Handle DW_OP_GNU_variable_value.
20393         (loc_list_from_tree_1): For early_dwarf, emit DW_OP_GNU_variable_value
20394         when looking for variable value which doesn't have other location info.
20395         (loc_list_from_tree): Formatting fix.
20396         (gen_array_type_die): Simplify DW_AT_string_length handling.
20397         (adjust_string_types): Remove.
20398         (gen_subprogram_die): Don't call adjust_string_types nor test/set
20399         string_types.  Call resolve_variable_values.
20400         (prune_unused_types_walk_loc_descr): Handle DW_OP_GNU_variable_value.
20401         (resolve_addr_in_expr): Likewise.  Add A argument.
20402         (copy_deref_exprloc): Remove deref argument.  Adjust for the
20403         original expression being DW_OP_GNU_variable_value with optionally
20404         DW_OP_stack_value after it instead of DW_OP_call4 with DW_OP_deref
20405         optionally after it.
20406         (optimize_string_length): Rework for DW_OP_GNU_variable_value.
20407         (resolve_addr): Adjust optimize_string_length and resolve_addr_in_expr
20408         callers.  Set remove_AT_byte_size if removing DW_AT_string_length.
20409         (variable_value_hasher::hash, variable_value_hasher::equal): New
20410         methods.
20411         (resolve_variable_value_in_expr, resolve_variable_value,
20412         resolve_variable_values, note_variable_value_in_expr,
20413         note_variable_value): New functions.
20414         (dwarf2out_early_finish): Call note_variable_value on all toplevel
20415         DIEs.
20416
20417 2017-02-24  Jakub Jelinek  <jakub@redhat.com>
20418
20419         PR c/79677
20420         * opts.h (handle_generated_option): Add GENERATED_P argument.
20421         * opts-common.c (handle_option): Adjust function comment.
20422         (handle_generated_option): Add GENERATED_P argument, pass it to
20423         handle_option.
20424         (control_warning_option): Pass false to handle_generated_option
20425         GENERATED_P.
20426         * opts.c (maybe_default_option): Pass true to handle_generated_option
20427         GENERATED_P.
20428         * optc-gen.awk: Likewise.
20429
20430 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
20431
20432         * config/sh/sh.md (tstsi_t): If operands[0] is a SUBREG instead of
20433         a REG, look at the REG it is a SUBREG of.
20434         (splitter for cmpeqsi_t): Ditto.
20435
20436 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
20437
20438         * config/pa/pa.c (pa_combine_instructions): Do not share RTL.  Make
20439         the special USEs with the pattern of the insn, not the insn itself.
20440
20441 2017-02-24  Matthew Fortune  <matthew.fortune@imgtec.com>
20442
20443         PR target/79473
20444         * doc/invoke.texi: Document -mload-store-pairs.
20445
20446 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
20447             Sandra Loosemore  <sandra@codesourcery.com>
20448
20449         * config/nios2/nios2.c (nios2_simple_const_p): Returns false if the
20450         argument isn't a CONST_INT.
20451         (nios2_alternate_compare_const): Assert op is a CONST_INT.
20452         (nios2_valid_compare_const_p): Assert op is a CONST_INT.
20453         (nios2_validate_compare): Bypass alternate compare logic if *op2
20454         is not a CONST_INT.
20455         (ldstwm_operation_p): Return false if first_base is not a REG or
20456         if first_offset is not a CONST_INT.
20457
20458 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
20459
20460         * config/cris/cris.md: Use correct operand in a define_peephole2.
20461
20462 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
20463
20464         * config/c6x/c6x.c (predicate_insn): Do not incorrectly share RTL.
20465
20466 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
20467
20468         * config/arc/arc.c (arc_ccfsm_advance): Only take the PATTERN of
20469         this_insn if it is an INSN or JUMP_INSN.
20470         (force_offsettable): Look at base, not at addr.
20471         * config/arc/predicates.md (brcc_nolimm_operator): Don't call INTVAL
20472         on things that aren't necessarily CONST_INTs.
20473
20474 2017-02-24  Uros Bizjak  <ubizjak@gmail.com>
20475
20476         * doc/invoke.texi (x86 Options, -mfpmath=sse): Mention that
20477         -mfpmath=sse is the default also for x86-32 targets with SSE2
20478         instruction set when @option{-ffast-math} is enabled
20479
20480 2017-02-24  Jeff Law  <law@redhat.com>
20481
20482         PR rtl-optimizatoin/79286
20483         * ira.c (update_equiv_regs): Drop may_trap_p exception to
20484         dominance test.
20485
20486 2017-02-24  Richard Biener  <rguenther@suse.de>
20487
20488         PR tree-optimization/79389
20489         * gimple-ssa-split-paths.c (is_feasible_trace): Properly skip
20490         debug insns.
20491
20492 2017-02-24  Aldy Hernandez  <aldyh@redhat.com>
20493
20494         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update
20495         function comment to reflect reality.
20496         (loop_exits_before_overflow): Fix typo in function description.
20497
20498 2017-02-24  Richard Biener  <rguenther@suse.de>
20499
20500         PR tree-optimization/79389
20501         * gimple-ssa-split-paths.c (is_feasible_trace): Verify more
20502         properly that a threading opportunity exists.  Detect conditional
20503         copy/constant propagation opportunities.
20504
20505 2017-02-23  Eric Botcazou  <ebotcazou@adacore.com>
20506
20507         * config/visium/visium.md (type): Add trap.
20508         (b): New mode attribute.
20509         (*btst): Rename into...
20510         (*btst<mode>): ...this and adjust.
20511         (*cbranchsi4_btst_insn): Rename into...
20512         (*cbranch<mode>4_btst_insn): ...this and adjust.
20513         (trap): New define_insn.
20514
20515 2017-02-23  Jakub Jelinek  <jakub@redhat.com>
20516
20517         PR tree-optimization/79389
20518         * ifcvt.c (struct noce_if_info): Add rev_cond field.
20519         (noce_reversed_cond_code): New function.
20520         (noce_emit_store_flag): Use rev_cond if non-NULL instead of
20521         reversed_comparison_code.  Formatting fix.
20522         (noce_try_store_flag): Test rev_cond != NULL in addition to
20523         reversed_comparison_code.
20524         (noce_try_store_flag_constants): Likewise.
20525         (noce_try_store_flag_mask): Likewise.
20526         (noce_try_addcc): Use rev_cond if non-NULL instead of
20527         reversed_comparison_code.
20528         (noce_try_cmove_arith): Likewise.  Formatting fixes.
20529         (noce_try_minmax, noce_try_abs): Clear rev_cond.
20530         (noce_find_if_block): Initialize rev_cond.
20531         (find_cond_trap): Call noce_get_condition with then_bb == trap_bb
20532         instead of false as last argument never attempt to reverse it
20533         afterwards.
20534
20535 2017-02-23  Bin Cheng  <bin.cheng@arm.com>
20536
20537         PR tree-optimization/79663
20538         * tree-predcom.c (combine_chains): Process refs in reverse order
20539         only for ZERO length chains, and add explaining comment.
20540
20541 2017-02-23  Jeff Law  <law@redhat.com>
20542
20543         PR tree-optimization/79578
20544         * tree-ssa-dse.c (clear_bytes_written_by): Use OEP_ADDRESS_OF
20545         in call to operand_equal_p.
20546
20547 2017-01-23  Dominique d'Humieres  <dominiq@lps.ens.fr>
20548
20549         PR target/71017
20550         * config/i386/cpuid.h: Fix another undefined behavior.
20551
20552 2017-02-23  Richard Biener  <rguenther@suse.de>
20553
20554         PR tree-optimization/79683
20555         * tree-vect-stmts.c (vect_analyze_stmt): Do not overwrite
20556         vector types for data-refs.
20557
20558 2017-02-23  Martin Liska  <mliska@suse.cz>
20559
20560         * params.def (PARAM_MIN_NONDEBUG_INSN_UID): Change default to 0.
20561
20562 2017-02-23  Jakub Jelinek  <jakub@redhat.com>
20563
20564         PR middle-end/79665
20565         * internal-fn.c (get_range_pos_neg): Moved to ...
20566         * tree.c (get_range_pos_neg): ... here.  No longer static.
20567         * tree.h (get_range_pos_neg): New prototype.
20568         * expr.c (expand_expr_real_2) <case TRUNC_DIV_EXPR>: If both arguments
20569         are known to be in between 0 and signed maximum inclusive, try to
20570         expand both unsigned and signed divmod and use the cheaper one from
20571         those.
20572
20573 2017-02-22  Jeff Law  <law@redhat.com>
20574
20575         PR tree-optimization/79578
20576         * tree-ssa-dse.c (clear_bytes_written_by): Use operand_equal_p
20577         to compare base operands.
20578
20579 2017-02-22  Segher Boessenkool  <segher@kernel.crashing.org>
20580
20581         PR target/79211
20582         * config/rs6000/rs6000.md (*fsel<SFDF:mode><SFDF2:mode>4): Use
20583         gpc_reg_operand instead of fpr_reg_operand.
20584
20585 2017-02-22  Sameera Deshpande  <sameera.deshpande@imgtec.com>
20586
20587         * config/mips/mips.c (mips_return_in_memory): Force FP
20588         vector types to be returned in memory for o32 ABI.
20589
20590 2017-02-22  Jakub Jelinek  <jakub@redhat.com>
20591
20592         * dwarf2out.c (gen_variable_die): For -gdwarf-5, use DW_TAG_variable
20593         instead of DW_TAG_member for static data member declarations and don't
20594         set no_linkage_name for static inline data members.
20595         (gen_member_die): For -gdwarf-5 don't change DW_TAG_variable
20596         to DW_TAG_member.
20597
20598 2017-02-22  Martin Liska  <mliska@suse.cz>
20599
20600         * doc/invoke.texi: Replace inequality signs with square brackets
20601         for -Wnormalized.
20602
20603 2017-02-22  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
20604
20605         PR tree-optimization/68644
20606         * gcc.dg/tree-ssa/ivopts-lt-2.c: Skip for powerpc*-*-*.
20607
20608 2017-02-22  Matthew Fortune  <matthew.fortune@imgtec.com>
20609
20610         PR target/78660
20611         * lra-constraints.c (simplify_operand_subreg): Handle
20612         WORD_REGISTER_OPERATIONS targets.
20613
20614 2017-02-22  Jakub Jelinek  <jakub@redhat.com>
20615
20616         PR target/70465
20617         * reg-stack.c (emit_swap_insn): Treat (float_extend:?F (mem:?F))
20618         and (const_double:?F) like (mem:?F) for the purpose of fxch %st(1)
20619         elimination by swapping fld*.
20620
20621 2017-02-22  Richard Biener  <rguenther@suse.de>
20622
20623         PR tree-optimization/79673
20624         * tree-ssa-pre.c (compute_avail): Use wide_int_to_tree to
20625         convert the [TARGET_]MEM_REF offset INTEGER_CST, scrapping off
20626         irrelevant address-space qualifiers and avoiding a
20627         ADDR_SPACE_CONVERT_EXPR from fold_convert.
20628
20629 2017-02-22  Richard Biener  <rguenther@suse.de>
20630
20631         PR tree-optimization/79666
20632         * tree-vrp.c (extract_range_from_binary_expr_1): Make sure
20633         to not symbolically negate if that may introduce undefined
20634         overflow.
20635
20636 2017-02-22  Martin Liska  <mliska@suse.cz>
20637
20638         PR lto/79587
20639         * data-streamer-in.c (streamer_read_gcov_count): Remove assert.
20640         * data-streamer-out.c (streamer_write_gcov_count_stream):
20641         Likewise.
20642         * value-prof.c (stream_out_histogram_value): Make assert more
20643         precise based on type of counter.
20644
20645 2017-02-21  Uros Bizjak  <ubizjak@gmail.com>
20646
20647         PR target/79593
20648         * config/i386/i386.md (standard_x87sse_constant_load splitter):
20649         Use nonimmediate_operand instead of memory_operand for operand 1.
20650         (float-extend standard_x87sse_constant_load splitter): Ditto.
20651
20652 2017-02-21  Jeff Law  <law@redhat.com>
20653
20654         PR tree-optimization/79621
20655         * gimple-ssa-isolate-paths.c (find_implicit_erroneous_behavior): Ignore
20656         blocks with edges to themselves.
20657
20658 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
20659
20660         PR target/79633
20661         * tree-chkp-opt.c (chkp_optimize_string_function_calls): Use
20662         is_gimple_call instead of comparing gimple_code with GIMPLE_CALL.
20663         Use gimple_call_builtin_p.
20664
20665         PR target/79570
20666         * sel-sched.c (moveup_expr_cached): Don't call sel_bb_head
20667         on temporarily removed DEBUG_INSNs.
20668
20669         PR tree-optimization/79649
20670         * tree-loop-distribution.c (classify_partition): Give up on
20671         non-generic address space loads/stores.
20672
20673 2017-02-21  Aldy Hernandez  <aldyh@redhat.com>
20674
20675         * doc/loop.texi (Loop manipulation): Remove nonexistent
20676         tree_ssa_loop_version from the documentation.
20677         * cfgloopmanip.c (loop_version): Document CONDITION_BB argument.
20678
20679 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
20680
20681         PR target/79494
20682         * config/i386/i386.c (ix86_expand_split_stack_prologue): Call
20683         make_reg_eh_region_note_nothrow_nononlocal on call_insn.
20684         * config/rs6000/rs6000.c: Include except.h.
20685         (rs6000_expand_split_stack_prologue): Call
20686         make_reg_eh_region_note_nothrow_nononlocal on the call insn.
20687
20688 2017-02-21  Martin Jambor  <mjambor@suse.cz>
20689
20690         PR lto/79579
20691         * ipa-prop.c (ipa_prop_write_jump_functions): Bail out if no edges
20692         have been analyzed.
20693
20694 2017-02-21  Martin Jambor  <mjambor@suse.cz>
20695
20696         * common.opt (-fipa-cp-alignment): Mark as ignored and preserved
20697         for backward compatibility only.
20698         * doc/invoke.texi (Option Summary): Remove all references to
20699         -fipa-cp-alignment.
20700
20701 2017-02-21  Matthew Fortune  <matthew.fortune@imgtec.com>
20702
20703         PR target/78660
20704         Revert:
20705         2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
20706
20707         * lra-constraints.c (curr_insn_transform): Handle
20708         WORD_REGISTER_OPERATIONS requirements when reloading SUBREGs.
20709
20710 2017-02-21  Martin Liska  <mliska@suse.cz>
20711
20712         * config/i386/i386.opt: Replace -masm-dialect with -masm.
20713
20714 2017-02-21  Thomas Schwinge  <thomas@codesourcery.com>
20715
20716         PR translation/79638
20717         * config/nvptx/nvptx.c (ENTRY_TEMPLATE): Single out "%ntid.y".
20718
20719 2017-02-21  Eric Botcazou  <ebotcazou@adacore.com>
20720
20721         PR ada/67205
20722         * config/arm/arm.c (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Define.
20723         (arm_function_ok_for_sibcall): Return false for an indirect call by
20724         descriptor if all the argument registers are used.
20725         (arm_relayout_function): Use FUNCTION_ALIGNMENT macro to adjust the
20726         alignment of the function.
20727
20728 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
20729
20730         PR tree-optimization/61441
20731         * simplify-rtx.c (simplify_const_unary_operation): For
20732         -fsignaling-nans and sNaN operand, return NULL_RTX rather than
20733         the sNaN unmodified.
20734
20735 2017-02-20  Bernd Edlinger  <bernd.edlinger@hotmail.de>
20736
20737         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
20738         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
20739         instead of SYSTEM_HEADER_DIR.
20740
20741 2017-02-20  Gerald Pfeifer  <gerald@pfeifer.com>
20742             Martin Liška  <mliska@suse.cz>
20743
20744         * doc/invoke.texi (use-after-scope-direct-emission-threshold):
20745         Fix typos and grammar, use active voice, and clarify.
20746
20747 2017-02-20  Marek Polacek  <polacek@redhat.com>
20748
20749         PR middle-end/79537
20750         * gimplify.c (gimplify_expr): Handle unused *&&L;.
20751
20752         PR sanitizer/79558
20753         * ubsan.c (ubsan_type_descriptor): Check if TYPE_MAX_VALUE is null.
20754
20755 2017-02-20  Jakub Jelinek  <jakub@redhat.com>
20756
20757         PR target/79568
20758         * config/i386/i386.c (ix86_expand_builtin): Handle
20759         OPTION_MASK_ISA_AVX512VL and OPTION_MASK_ISA_64BIT in
20760         ix86_builtins_isa[fcode].isa as a requirement of those
20761         flags and any other flag in the bitmask.
20762         (ix86_init_mmx_sse_builtins): Use 0 instead of
20763         ~OPTION_MASK_ISA_64BIT as mask.
20764         * config/i386/i386-builtin.def (__builtin_ia32_rdtsc,
20765         __builtin_ia32_rdtscp, __builtin_ia32_pause, __builtin_ia32_bsrsi,
20766         __builtin_ia32_rdpmc, __builtin_ia32_rolqi, __builtin_ia32_rolhi,
20767         __builtin_ia32_rorqi, __builtin_ia32_rorhi): Likewise.
20768
20769 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
20770
20771         PR target/78012
20772         * lra-constraints.c (split_reg): Check requested split mode
20773         is supported by the register.
20774
20775 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
20776
20777         * lra-constraints.c (simplify_operand_subreg): Remove early
20778         return false.
20779
20780 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
20781
20782         PR target/78660
20783         * lra-constraints.c (curr_insn_transform): Tighten condition
20784         for converting SUBREG reloads from OP_OUT to OP_INOUT.
20785
20786 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
20787
20788         PR target/78660
20789         * lra-constraints.c (curr_insn_transform): Handle
20790         WORD_REGISTER_OPERATIONS requirements when reloading SUBREGs.
20791
20792 2017-02-19  Uros Bizjak  <ubizjak@gmail.com>
20793
20794         Revert:
20795         2016-05-30  Uros Bizjak  <ubizjak@gmail.com>
20796
20797         * config/i386/sync.md (mfence_nosse): Use "lock orl $0, -4(%esp)".
20798
20799 2017-02-19  Jonathan Wakely  <jwakely@redhat.com>
20800
20801         PR c++/69523
20802         * doc/invoke.texi (C++ Dialect Options) [-Wliteral-suffix]: Update
20803         description.
20804
20805 2017-02-19  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
20806
20807         * gimple-pretty-print.c (dump_ternary_rhs): Adjust gimple dump format
20808         for FMA_EXPR.
20809
20810 2017-02-18  Jakub Jelinek  <jakub@redhat.com>
20811
20812         * final.c (last_columnnum, override_columnnum): New variables.
20813         (final_start_function): Set last_columnnum, pass it to begin_prologue
20814         hook and pass 0 to dwarf2out_begin_prologue.
20815         (final_scan_insn): Update override_columnnum.  Pass last_columnnum
20816         to source_line debug hook.
20817         (notice_source_line): Compute last_columnnum and for debug_column_info
20818         return true on column changes.
20819         * debug.h (struct gcc_debug_hooks): Add column argument to
20820         source_line and begin_prologue hooks.
20821         (debug_nothing_int_charstar_int_bool): Remove prototype.
20822         (debug_nothing_int_int_charstar,
20823         debug_nothing_int_int_charstar_int_bool): New prototypes.
20824         (dwarf2out_begin_prologue): Add column argument.
20825         * debug.c (do_nothing_debug_hooks): Adjust source_line and
20826         begin_prologue hooks.
20827         (debug_nothing_int_charstar_int_bool): Remove.
20828         (debug_nothing_int_int_charstar,
20829         debug_nothing_int_int_charstar_int_bool): New functions.
20830         * dwarf2out.c (dwarf2out_begin_prologue): Add column argument, pass it
20831         through to dwarf2out_source_line.
20832         (dwarf2_lineno_debug_hooks): Adjust begin_prologue hook.
20833         (dwarf2out_source_line): Add column argument, emit it if requested.
20834         * sdbout.c (sdbout_source_line, sdbout_begin_prologue): Add column
20835         arguments.
20836         * xcoffout.h (xcoffout_begin_prologue, xcoffout_source_line): Likewise.
20837         * xcoffout.c (xcoffout_begin_prologue, xcoffout_source_line): Likewise.
20838         * vmsdbgout.c (vmsdbgout_begin_prologue): Add column argument, pass it
20839         through to dwarf2out_begin_prologue.
20840         (vmsdbgout_source_line): Add column argument, pass it through to
20841         dwarf2out_source_line.
20842         * dbxout.c (dbxout_begin_prologue): Add column argument, adjust
20843         dbxout_source_line caller.
20844         (dbxout_source_line): Add column argument.
20845
20846         * common.opt (gno-column-info, gcolumn-info): New options.
20847         * dwarf2out.c (dwarf2_lineno_debug_hooks): Formatting fix.
20848         (check_die): Also test for multiple DW_AT_decl_column attributes.
20849         (add_src_coords_attributes, dwarf2out_imported_module_or_decl_1): Add
20850         DW_AT_decl_column if requested.
20851         (gen_subprogram_die): Compare and/or add also DW_AT_decl_column
20852         if requested.
20853         (gen_variable_die): Likewise.
20854         (add_call_src_coords_attributes): Add DW_AT_call_column if requested.
20855         * doc/invoke.texi (-gcolumn-info, -gno-column-info): Document.
20856
20857         PR target/79569
20858         * config/i386/i386.opt (m3dnowa): Replace Undocumented with Report.
20859         * common/config/i386/i386-common.c (OPTION_MASK_ISA_3DNOW_A_SET): Define.
20860         (ix86_handle_option): Handle OPT_m3dnowa.
20861         * doc/invoke.texi (-m3dnowa): Document.
20862         * doc/extend.texi (__builtin_ia32_pmulhuw, __builtin_ia32_pf2iw): Use
20863         -m3dnowa instead of -m3dnow -march=athlon.
20864
20865         PR target/79559
20866         * config/i386/i386.c (ix86_print_operand): Use output_operand_lossage
20867         instead of gcc_assert for K, r and R code checks.  Formatting fixes.
20868
20869 2017-02-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
20870
20871         PR target/79261
20872         * config/rs6000/rs6000.c (rs6000_expand_ternop_builtin): Add
20873         support for CODE_FOR_vsx_xxpermdi_v2d[fi]_be.
20874         * config/rs6000/rs6000.md (reload_gpr_from_vsx<mode>): Call
20875         generator for vsx_xxpermdi_<mode>_be.
20876         * config/rs6000/vsx.md (vsx_xxpermdi_<mode>): Remove logic to
20877         force big-endian semantics.
20878         (vsx_xxpermdi_<mode>_be): New define_expand with same
20879         implementation as previous version of vsx_xxpermdi_<mode>.
20880
20881 2017-02-17  Jakub Jelinek  <jakub@redhat.com>
20882
20883         PR tree-optimization/79327
20884         * gimple-ssa-sprintf.c (format_integer): Remove likely_adjust
20885         variable, its initialization and use.
20886
20887 2017-02-17  Julia Koval  <julia.koval@intel.com>
20888
20889         * common/config/i386/i386-common.c (OPTION_MASK_ISA_RDPID_SET): New.
20890         (OPTION_MASK_ISA_PKU_UNSET): New.
20891         (ix86_handle_option): Handle -mrdpid.
20892         * config/i386/cpuid.h (bit_RDPID): New.
20893         * config/i386/driver-i386.c (host_detect_local_cpu):
20894         Detect RDPID feature.
20895         * config/i386/i386-builtin.def (__builtin_ia32_rdpid): New.
20896         * config/i386/i386-c.c (ix86_target_macros_internal):
20897         Handle RDPID flag.
20898         * config/i386/i386.c (ix86_target_string): Add -mrdpid to isa2_opts.
20899         (ix86_valid_target_attribute_inner_p): Add "rdpid".
20900         (ix86_expand_builtin): Handle IX86_BUILTIN_RDPID.
20901         * config/i386/i386.h (TARGET_RDPID, TARGET_RDPID_P): New.
20902         * config/i386/i386.md (define_insn "rdpid"): New.
20903         * config/i386/i386.opt Add -mrdpid.
20904         * config/i386/immintrin.h (_rdpid_u32): New.
20905
20906 2017-02-17  Vladimir Makarov  <vmakarov@redhat.com>
20907
20908         PR rtl-optimization/79541
20909         * lra-constraints.c (curr_insn_transform): Remove wrong asm insn
20910         instead of transforming it into USE.
20911
20912 2017-02-17  Segher Boessenkool  <segher@kernel.crashing.org>
20913
20914         * config/rs6000/rs6000.md (extendsfdf2): Remove default arguments.
20915         If HONOR_SNANS (SFmode) force the input to a register.
20916         (*extendsfdf2_fpr): Add !HONOR_SNANS (SFmode) condition.
20917         (*extendsfdf2_snan): New pattern, used when using SNaNs; it generates
20918         an frsp or similar insn.
20919
20920 2017-02-17  Martin Liska  <mliska@suse.cz>
20921
20922         PR rtl-optimization/79577
20923         * params.def (selsched-max-sched-times): Increase minimum to 1.
20924
20925 2017-02-17  Martin Liska  <mliska@suse.cz>
20926
20927         PR rtl-optimization/79574
20928         * gcse.c (want_to_gcse_p): Prevent integer overflow.
20929
20930 2017-02-17  Martin Liska  <mliska@suse.cz>
20931
20932         PR tree-optimization/79529
20933         * tree-ssa-loop-unswitch.c (is_maybe_undefined): Use
20934         ssa_defined_default_def_p to handle cases which are implicitly
20935         defined.
20936         * tree-ssa.c (ssa_defined_default_def_p): New function.
20937         (ssa_undefined_value_p): Use ssa_defined_default_def_p to handle cases
20938         which are implicitly defined.
20939         * tree-ssa.h (ssa_defined_default_def_p): Declare.
20940
20941 2017-02-17  Richard Biener  <rguenther@suse.de>
20942
20943         PR middle-end/79576
20944         * params.def (max-ssa-name-query-depth): Limit to 10.
20945
20946 2017-02-17  Richard Biener  <rguenther@suse.de>
20947
20948         PR tree-optimization/79552
20949         * tree-ssa-structalias.c (visit_loadstore): Properly verify
20950         default defs.
20951
20952 2017-02-17  Richard Biener  <rguenther@suse.de>
20953
20954         PR bootstrap/79567
20955         * genmatch.c (output_line_directive): Handle DIR_SEPARATOR_2.
20956
20957 2017-02-17  Marek Polacek  <polacek@redhat.com>
20958
20959         PR middle-end/79536
20960         * fold-const.c (fold_negate_expr_1): Renamed from fold_negate_expr.
20961         (fold_negate_expr): New wrapper.
20962
20963 2017-02-16  Sandra Loosemore  <sandra@codesourcery.com>
20964
20965         * doc/invoke.texi (C++ Dialect Options) [-Wno-non-template-friend]:
20966         Correct terminology and de-emphasize pre-standard behavior.
20967
20968 2017-02-16  Alan Modra  <amodra@gmail.com>
20969
20970         PR rtl-optimization/79286
20971         * ira.c (def_dominates_uses): New function.
20972         (update_equiv_regs): Don't create an equivalence for insns that
20973         may trap where the register def does not dominate the use.
20974
20975 2017-02-16  Vladimir Makarov  <vmakarov@redhat.com>
20976
20977         PR rtl-optimization/78127
20978         * lra.c (lra): Call lra_eliminate before finish the loop after
20979         lra_constraint.
20980
20981 2017-02-16  Richard Biener  <rguenther@suse.de>
20982
20983         * graphite.h: Do not include isl/isl_val_gmp.h, instead include
20984         isl/isl_val.h.
20985         * graphite-isl-ast-to-gimple.c (gmp_cst_to_tree): Remove.
20986         (gcc_expression_from_isl_expr_int): Use generic isl_val interface.
20987         * graphite-sese-to-poly.c: Do not include isl/isl_val_gmp.h.
20988         (isl_val_int_from_wi): New function.
20989         (extract_affine_gmp): Rename to ...
20990         (extract_affine_wi): ... this, take a widest_int.
20991         (extract_affine_int): Just wrap extract_affine_wi.
20992         (add_param_constraints): Use isl_val_int_from_wi.
20993         (add_loop_constraints): Likewise, and extract_affine_wi.
20994
20995 2017-02-15  Jeff Law  <law@redhat.com>
20996
20997         PR middle-end/79521
20998         * ira-costs.c (scan_one_insn): Check have_regs_of_mode before calling
20999         ira_init_register_move_cost_if_necessary.
21000
21001 2017-02-15  Martin Sebor  <msebor@redhat.com>
21002
21003         PR middle-end/32003
21004         * doc/invoke.texi (-fdump-final-insns): Replace option accidentally
21005         removed in a prior commit.
21006
21007 2017-02-15  Bin Cheng  <bin.cheng@arm.com>
21008
21009         PR tree-optimization/79347
21010         * tree-vect-loop-manip.c (vect_do_peeling): Maintain profile
21011         counters during peeling.
21012
21013 2017-02-15  Thomas Schwinge  <thomas@codesourcery.com>
21014
21015         * Makefile.in (site.exp): Remove "set ISLVER".
21016
21017 2017-02-15  Jakub Jelinek  <jakub@redhat.com>
21018
21019         PR target/79487
21020         * real.c (real_from_integer): Call real_convert even for decimal.
21021
21022 2017-02-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
21023
21024         PR target/79421
21025         * config/s390/s390.c: define TARGET_CUSTOM_FUNCTION_DESCRIPTORS.
21026
21027 2017-02-14  Andrew Pinski  <apinski@cavium.com>
21028
21029         * config/aarch64/aarch64-cores.def (thunderx2t99): Move to under 'C"
21030         cores and change the partno/implementer to be correct.
21031         (thunderx2t99p1): New core which replaces thunderx2t99 and still has
21032         the 'B" as the implementer.
21033         * config/aarch64/aarch64-tune.md: Regenerate.
21034
21035 2017-02-14  Carl Love  <cel@us.ibm.com>
21036
21037         * config/rs6000/rs6000.c: Add case statement entry to make the
21038         xvcvuxdsp built-in argument unsigned.
21039         * config/rs6000/vsx.md: Fix the source and return operand types so they
21040         match the instruction definitions from the ISA document.  Fix typo
21041         in the instruction generation for the (define_insn "vsx_xvcvuxdsp"
21042         statement.
21043
21044 2017-02-14  Vladimir Makarov  <vmakarov@redhat.com>
21045
21046         PR target/79282
21047         * lra-int.h (struct lra_operand_data, struct lra_insn_reg): Add
21048         member early_clobber_alts.
21049         * lra-lives.c (reg_early_clobber_p): New.
21050         (process_bb_lives): Use it.
21051         * lra.c (new_insn_reg): New arg early_clobber_alts.  Use it.
21052         (debug_operand_data): Initialize early_clobber_alts.
21053         (setup_operand_alternative): Set up early_clobber_alts.
21054         (collect_non_operand_hard_regs): Ditto.  Pass early clobber
21055         alternatives to new_insn_reg.
21056         (add_regs_to_insn_regno_info): Add arg early_clobber_alts.  Use
21057         it.
21058         (lra_update_insn_regno_info): Pass the new arg.
21059
21060 2017-02-14  Jakub Jelinek  <jakub@redhat.com>
21061
21062         PR middle-end/79505
21063         * omp-offload.c (free_oacc_loop): Release loop->ifns vector.
21064         (new_oacc_loop_raw): Don't clear already cleared fields.
21065
21066         PR target/79481
21067         * config/i386/avx512pfintrin.h (_mm512_prefetch_i32gather_pd,
21068         _mm512_prefetch_i32gather_ps, _mm512_prefetch_i64gather_pd,
21069         _mm512_prefetch_i64gather_ps): New inline functions and macros.
21070
21071 2017-02-14  Uros Bizjak  <ubizjak@gmail.com>
21072
21073         PR target/79495
21074         * config/i386/i386.md (*movxf_internal): Add (o,rC) alternative.
21075
21076 2017-02-14  H.J. Lu  <hongjiu.lu@intel.com>
21077
21078         PR target/79498
21079         * config/i386/i386.c (timode_scalar_chain::convert_insn): Insert
21080         the extra instruction to the right place to store 128-bit constant
21081         when needed.
21082
21083 2017-02-14  Martin Sebor  <msebor@redhat.com>
21084
21085         PR middle-end/79448
21086         * gimple-ssa-sprintf.c (format_directive): Avoid issuing INT_MAX
21087           warning for strings of unknown length.
21088
21089 2017-02-13  Segher Boessenkool  <segher@kernel.crashing.org>
21090
21091         * config.gcc (supported_defaults) [powerpc*-*-*]: Update.
21092
21093 2017-02-14  Jeff Law  <law@redhat.com>
21094
21095         PR target/79404
21096         * ira-costs.c (scan_one_insn): Initialize register move costs
21097         for pseudos seen in USE/CLOBBER insns.
21098
21099         PR tree-optimization/79095
21100         * tree-vrp.c (extract_range_from_binary_expr_1): For EXACT_DIV_EXPR,
21101         if the numerator has the range ~[0,0] make the resultant range ~[0,0].
21102         (extract_range_from_binary_expr): For MINUS_EXPR with no derived range,
21103         if the operands are known to be not equal, then the resulting range
21104         is ~[0,0].
21105         (intersect_ranges): If the new range is ~[0,0] and the old range is
21106         wide, then prefer ~[0,0].
21107         * tree-vrp.c (overflow_comparison_p_1): New function.
21108         (overflow_comparison_p): New function.
21109         * tree-vrp.c (register_edge_assert_for_2): Register additional asserts
21110         if NAME is used in an overflow test.
21111         (vrp_evaluate_conditional_warnv_with_ops): If the ops represent an
21112         overflow check that can be expressed as an equality test, then adjust
21113         ops to be that equality test.
21114
21115 2017-02-14  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
21116
21117         * config/s390/s390-builtin-types.def: Remove flags argument.
21118         * config/s390/s390.c (s390_init_builtins): Likewise.
21119
21120 2017-02-14  Martin Liska  <mliska@suse.cz>
21121
21122         * tree-ssa-loop-unswitch.c (hoist_guard): Release get_loop_body
21123         vector.  Fix trailing white spaces.
21124
21125 2017-02-14  James Greenhalgh  <james.greenhalgh@arm.com>
21126
21127         * config/aarch64/aarch64.c (aarch64_simd_container_mode): Handle
21128         HFmode.
21129
21130 2017-02-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
21131
21132         PR rtl-optimization/68664
21133         * config/arm/arm.c (arm_sched_can_speculate_insn):
21134         New function.  Declare prototype.
21135         (TARGET_SCHED_CAN_SPECULATE_INSN): Define.
21136
21137 2017-02-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
21138
21139         PR rtl-optimization/68664
21140         * config/aarch64/aarch64.c (aarch64_sched_can_speculate_insn):
21141         New function.
21142         (TARGET_SCHED_CAN_SPECULATE_INSN): Define.
21143
21144 2017-02-14  Amit Pawar  <amit.pawar@amd.com>
21145
21146         * config/i386/i386.c (znver1_cost): Fix the alignment for function and
21147         max skip bytes for function, loop and jump.
21148
21149 2017-02-14  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
21150
21151         * gimple-pretty-print.c (dump_unary_rhs): Adjust dump format for
21152         ABS_EXPR for gimple dump.
21153
21154 2017-02-14  Jakub Jelinek  <jakub@redhat.com>
21155
21156         PR target/79462
21157         * config/sh/sh.c (expand_cbranchdi4): Don't clear operands[4].
21158
21159         PR tree-optimization/79408
21160         * tree-vrp.c (simplify_div_or_mod_using_ranges): Handle also the
21161         case when on TRUNC_MOD_EXPR op0 is INTEGER_CST.
21162         (simplify_stmt_using_ranges): Call simplify_div_or_mod_using_ranges
21163         also if rhs1 is INTEGER_CST.
21164
21165 2017-02-14  Richard Biener  <rguenther@suse.de>
21166
21167         PR middle-end/79432
21168         * tree-into-ssa.c (insert_phi_nodes): When the function can
21169         have abnormal edges rewrite SSA names with broken use-def
21170         dominance out of SSA and register them for PHI insertion.
21171
21172 2017-02-13  Martin Sebor  <msebor@redhat.com>
21173
21174         PR middle-end/79496
21175         * gimple-ssa-sprintf.c (pass_sprintf_length::handle_gimple_call): Avoid
21176         clearing info.nowrite flag when snprintf size argument is a range.
21177
21178 2017-02-13  Jakub Jelinek  <jakub@redhat.com>
21179
21180         * cprop.c (cprop_jump): Add missing space in string literal.
21181         * tree-ssa-structalias.c (rewrite_constraints): Likewise.
21182         (get_constraint_for_component_ref): Likewise.
21183         * df-core.c (df_worklist_dataflow_doublequeue): Likewise.
21184         * tree-outof-ssa.c (insert_partition_copy_on_edge): Likewise.
21185         * lra-constraints.c (process_alt_operands): Likewise.
21186         * ipa-inline.c (inline_small_functions): Likewise.
21187         * tree-ssa-sccvn.c (visit_reference_op_store): Likewise.
21188         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Likewise.
21189         * trans-mem.c (diagnose_tm_1_op): Likewise.
21190         * omp-grid.c (grid_find_single_omp_among_assignments): Likewise.
21191         (grid_parallel_clauses_gridifiable): Likewise.
21192
21193         * config/nvptx/mkoffload.c (process): Add space in between
21194         , and %d.
21195
21196         * config/i386/i386.h (REG_CLASS_NAMES): Add , in between
21197         "MOD4_SSE_REGS" and "ALL_REGS".
21198
21199         * spellcheck.c (test_data): Add , in between "foo" and "food".
21200
21201 2017-02-13  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
21202
21203         PR target/79449
21204         * config/rs6000/rs6000.c (expand_block_compare): Make sure runtime
21205         boundary crossing check and subsequent code generation agree.
21206
21207 2017-02-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
21208
21209         * config/aarch64/aarch64.c (has_memory_op): Delete.
21210         (aarch64_madd_needs_nop): Use contains_mem_rtx_p instead of
21211         has_memory_op.
21212
21213 2017-02-13  Jakub Jelinek  <jakub@redhat.com>
21214
21215         PR rtl-optimization/79388
21216         PR rtl-optimization/79450
21217         * combine.c (distribute_notes): When removing TEM_INSN for which
21218         corresponding dest has last value recorded, invalidate that last
21219         value.
21220
21221 2017-02-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
21222
21223         * config/arm/arm.c (arm_print_tune_info): Use ASM_COMMENT_START instead
21224         of explicit '@'.  Add missing assembly comment marker on branch costs
21225         printout.
21226
21227 2017-02-13  Nathan Sidwell  <nathan@acm.org>
21228
21229         * gengtype-lex.l (<in_struct>): Add '/'.
21230
21231 2017-02-13  Martin Liska  <mliska@suse.cz>
21232
21233         PR c/79471
21234         * calls.c (expand_call): Replace XALLOCAVEC with XCNEWVEC.
21235
21236 2017-02-13  Richard Biener  <rguenther@suse.de>
21237
21238         * configure.ac (HAVE_ISL_OPTIONS_SET_SCHEDULE_SERIALIZE_SCCS):
21239         Remove.
21240         * configure: Re-generate.
21241         * config.in: Likewise.
21242         * graphite-dependences.c: Simplify as if
21243         HAVE_ISL_OPTIONS_SET_SCHEDULE_SERIALIZE_SCCS was defined.
21244         * graphite-isl-ast-to-gimple.c: Likewise.
21245         * graphite-optimize-isl.c: Likewise.
21246         * graphite-poly.c: Likewise.
21247         * graphite-sese-to-poly.c: Likewise.
21248         * graphite.h: Likewise.
21249         * toplev.c: Include isl/version.h and use isl_version () for
21250         printing the ISL version.
21251         * doc/install.texi: Update ISL requirement.
21252
21253 2017-02-12  Gerald Pfeifer  <gerald@pfeifer.com>
21254
21255         * doc/standards.texi (Standards): Update reference to
21256         Objective-C 2.0.
21257
21258 2017-02-12  Gerald Pfeifer  <gerald@pfeifer.com>
21259
21260         * doc/extend.texi (Named Address Spaces): sourceware.org now
21261         defaults to https.
21262         * doc/install.texi (Binaries): Ditto.
21263         (Specific): Ditto.
21264
21265 2017-02-11  Sandra Loosemore  <sandra@codesourcery.com>
21266
21267         * doc/cpp.texi: Replace "stringify"/"stringification" with C
21268         standard terminology "stringize"/"stringizing" throughout.
21269         * doc/cppinternals.texi: Likewise.
21270
21271 2017-02-11  Sandra Loosemore  <sandra@codesourcery.com>
21272
21273         * doc/extend.texi: Fix some spelling mistakes and typos.
21274         * doc/invoke.texi: Likewise.
21275
21276 2017-02-11  Jan Hubicka  <hubicka@ucw.cz>
21277
21278         PR ipa/79224
21279         * params.def (inline-min-speedup) Change from 10 to 8.
21280
21281 2017-02-11  Jakub Jelinek  <jakub@redhat.com>
21282
21283         * doc/invoke.texi (fopenmp): Bump OpenMP version from 4.0 to
21284         4.5.
21285
21286 2017-02-11  Jan Hubicka  <hubicka@ucw.cz>
21287
21288         PR ipa/79224
21289         * ipa-inline-analysis.c (get_minimal_bb): New function.
21290         (record_modified): Use it.
21291         (remap_edge_change_prob): Handle also ancestor functions.
21292
21293 2017-02-11  Gerald Pfeifer  <gerald@pfeifer.com>
21294
21295         * doc/contrib.texi (Contributors): Remove broken link into
21296         the Mauve CVS repository.
21297
21298 2017-02-11  Jakub Jelinek  <jakub@redhat.com>
21299
21300         PR middle-end/79454
21301         * internal-fn.c (expand_vector_ubsan_overflow): Use piece-wise
21302         result computation whenever lhs doesn't have vector mode, not
21303         just when it has BLKmode.
21304
21305 2017-02-10  Gerald Pfeifer  <gerald@pfeifer.com>
21306
21307         * doc/makefile.texi (profiledbootstrap): Refer to the
21308         installation instructions only in textual form.
21309
21310 2017-02-10  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
21311
21312         PR target/79295
21313         * config/rs6000/altivec.md (bcd<bcd_add_sub>): Fix constraints.
21314
21315 2017-02-10  Gerald Pfeifer  <gerald@pfeifer.com>
21316
21317         * doc/install.texi (Specific): Use https for blackfin.uclinux.org.
21318         (Specific): Update mingw-w64 reference.
21319         (Binaries): Ditto.
21320         (Specific): Remove broken link to Renesas RX processor.
21321
21322 2017-02-10  Richard Biener  <rguenther@suse.de>
21323
21324         * toplev.c (process_options): Do not mention obsolete graphite
21325         options when printing sorry message about missing graphite support.
21326         Mention -floop-nest-optimize.
21327
21328 2017-02-10  Christophe Lyon  <christophe.lyon@linaro.org>
21329
21330         * config/aarch64/arm_neon.h (vtst_p8): Rewrite without asm.
21331         (vtst_p16): Likewise.
21332         (vtstq_p8): Likewise.
21333         (vtstq_p16): Likewise.
21334         (vtst_p64): New.
21335         (vtstq_p64): Likewise.
21336         * config/arm/arm_neon.h (vgetq_lane_p64): New.
21337         (vset_lane_p64): New.
21338         (vsetq_lane_p64): New.
21339
21340 2017-02-10  Jakub Jelinek  <jakub@redhat.com>
21341
21342         PR tree-optimization/79411
21343         * tree-ssa-reassoc.c (is_reassociable_op): Return false if
21344         stmt operands are SSA_NAMEs used in abnormal phis.
21345         (can_reassociate_p): Return false if op is SSA_NAME used in abnormal
21346         phis.
21347
21348 2017-02-09  Jan Hubicka  <hubicka@ucw.cz>
21349
21350         PR ipa/70795
21351         * cgraphunit.c (cgraph_node::add_new_function): Set externally_visible
21352         flag if needed.
21353
21354 2017-02-09  Jan Hubicka  <hubicka@ucw.cz>
21355
21356         * tree-ssa-loop-unswitch.c (hoist_guard): Update profile.
21357
21358 2017-02-09  Jakub Jelinek  <jakub@redhat.com>
21359
21360         * omp-offload.c (oacc_loop_auto_partitions): Use || instead of |
21361         to avoid warning.
21362
21363         PR c/79413
21364         * gimplify.h (is_gimple_sizepos): Only test for INTEGER_CST constants,
21365         not arbitrary TREE_CONSTANT.
21366
21367         PR c/79431
21368         * gimplify.c (gimplify_adjust_omp_clauses): Ignore
21369         "omp declare target link" attribute unless is_global_var.
21370         * omp-offload.c (find_link_var_op): Likewise.
21371
21372 2017-02-09  Nathan Sidwell  <nathan@codesourcery.com>
21373             Chung-Lin Tang  <cltang@codesourcery.com>
21374
21375         * gimplify.c (gimplify_scan_omp_clauses): No special handling for
21376         OMP_CLAUSE_TILE.
21377         (gimplify_adjust_omp_clauses): Don't delete TILE.
21378         (gimplify_omp_for): Deal with TILE.
21379         * internal-fn.c (expand_GOACC_TILE): New function.
21380         * internal-fn.def (GOACC_DIM_POS): Comment may be overly conservative.
21381         (GOACC_TILE): New.
21382         * omp-expand.c (struct oacc_collapse): Add tile and outer fields.
21383         (expand_oacc_collapse_init): Add LOC paramter.  Initialize tile
21384         element fields.
21385         (expand_oacc_collapse_vars): Add INNER parm, adjust for tiling,
21386         avoid DIV for outermost collapse var.
21387         (expand_oacc_for): Insert tile element loop as needed.  Adjust.
21388         Remove out of date comments, fix whitespace.
21389         * omp-general.c (omp_extract_for_data): Deal with tiling.
21390         * omp-general.h (enum oacc_loop_flags): Add OLF_TILE flag,
21391         adjust OLF_DIM_BASE value.
21392         (struct omp_for_data): Add tiling field.
21393         * omp-low.c (scan_sharing_clauses): Allow OMP_CLAUSE_TILE.
21394         (lower_oacc_head_mark): Add OLF_TILE as appropriate.  Ensure 2 levels
21395         for auto loops.  Remove default auto determining, moved to
21396         oacc_loop_fixed_partitions.
21397         * omp-offload.c (struct oacc_loop): Change 'ifns' to vector of call
21398         stmts, add e_mask field.
21399         (oacc_dim_call): New function, abstracted out from oacc_thread_numbers.
21400         (oacc_thread_numbers): Use oacc_dim_call.
21401         (oacc_xform_tile): New.
21402         (new_oacc_loop_raw): Initialize e_mask, adjust for ifns vector.
21403         (finish_oacc_loop): Adjust for ifns vector.
21404         (oacc_loop_discover_walk): Append loop abstraction sites to list,
21405         add case for GOACC_TILE fns.
21406         (oacc_loop_xform_loop): Delete.
21407         (oacc_loop_process): Iterate over call list directly, and add
21408         handling for GOACC_TILE fns.
21409         (oacc_loop_fixed_partitions): Determine default auto, deal with TILE,
21410         dump partitioning.
21411         (oacc_loop_auto_partitions): Add outer_assign parm. Assign all but
21412         vector partitioning to outer loops.  Assign 2 partitions to loops
21413         when available. Add TILE handling.
21414         (oacc_loop_partition): Adjust oacc_loop_auto_partitions call.
21415         (execite_oacc_device_lower): Process GOACC_TILE fns,
21416         ignore unknown specs.
21417         * tree-nested.c (convert_nonlocal_omp_clauses): Allow OMP_CLAUSE_TILE.
21418         * tree.c (omp_clause_num_ops): Adjust TILE ops.
21419         * tree.h (OMP_CLAUSE_TILE_ITERVAR, OMP_CLAUSE_TILE_COUNT): New.
21420
21421 2017-02-09  Gerald Pfeifer  <gerald@pfeifer.com>
21422
21423         * configure.ac (ACX_BUGURL): Update.
21424         * configure: Regenerate.
21425
21426 2017-02-09  Richard Biener  <rguenther@suse.de>
21427
21428         PR tree-optimization/69823
21429         * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
21430         Properly enumerate all BBs in the region.  Use auto_vec/auto_bitmap.
21431
21432 2017-02-09  Andrew Burgess  <andrew.burgess@embecosm.com>
21433
21434         * config/arc/arc-c.def: Add __NPS400__ definition.
21435         * config/arc/arc.h (CPP_SPEC): Don't define __NPS400__ here.
21436         (TARGET_NPS400): Define.
21437
21438 2017-02-09  Andrew Burgess  <andrew.burgess@embecosm.com>
21439
21440         * config/arc/arc-arch.h (arc_arch_t): Move unchanged to earlier in
21441         file.
21442         (arc_cpu_t): Change base_architecture field, arch, to a arc_arc_t
21443         pointer, arch_info.
21444         (arc_cpu_types): Fill the arch_info field with a pointer into the
21445         arc_arch_types table.
21446         (arc_selected_cpu): Declare.
21447         * config/arc/arc.c (arc_selected_cpu): Make global.
21448         (arc_selected_arch): Delete.
21449         (arc_base_cpu): Delete.
21450         (arc_override_options): Remove references to deleted variables,
21451         update access to arch information.
21452         (ARC_OPT): Update access to arch information.
21453         (ARC_OPTX): Likewise.
21454         * config/arc/arc.h (arc_base_cpu): Remove declaration.
21455         (TARGET_ARC600): Update access to arch information.
21456         (TARGET_ARC601): Likewise.
21457         (TARGET_ARC700): Likewise.
21458         (TARGET_EM): Likewise.
21459         (TARGET_HS): Likewise.
21460         * config/arc/driver-arc.c (arc_cpu_to_as): Update access to arch
21461         information.
21462
21463 2017-02-08  Pat Haugen  <pthaugen@us.ibm.com>
21464
21465         PR target/78604
21466         * config/rs6000/rs6000.c (rs6000_emit_vector_cond_expr): Invert
21467         condition/operands for integer GE/LE/GEU/LEU operations.
21468
21469 2017-02-08  Segher Boessenkool  <segher@kernel.crashing.org>
21470
21471         PR translation/79397
21472         * config/rs6000/rs6000.opt (maltivec=le, maltivec=be): Fix spelling
21473         of AltiVec.
21474
21475 2017-02-08  Martin Jambor  <mjambor@suse.cz>
21476
21477         PR ipa/79375
21478         * ipa-prop.c (ipa_alloc_node_params): Make static, return bool
21479         whether allocation happened.
21480         (ipa_initialize_node_params): Do not call ipa_alloc_node_params if
21481         nothing was allocated.
21482
21483 2017-02-08  Jakub Jelinek  <jakub@redhat.com>
21484
21485         PR tree-optimization/79408
21486         * tree-vrp.c (simplify_div_or_mod_using_ranges): If op1 is not
21487         constant, but SSA_NAME with a known integer range, use the minimum
21488         of that range instead of op1 to determine if modulo can be replaced
21489         with its first operand.
21490
21491 2016-02-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
21492
21493         * config/riscv/riscv.c (riscv_build_integer_1): Avoid use of INT16_MAX.
21494
21495 2017-02-08  Richard Biener  <rguenther@suse.de>
21496
21497         PR tree-optimization/71824
21498         * graphite-scop-detection.c (scop_detection::build_scop_breadth):
21499         Check all loops contained in the merged region.
21500
21501 2017-02-07  Andrew Pinski  <apinski@cavium.com>
21502
21503         * config/aarch64/aarch64.md (popcount<mode>2): New pattern.
21504
21505 2017-02-07  Andrew Pinski  <apinski@cavium.com>
21506
21507         * config/aarch64/aarch64-cores.def (thunderx): Disable LSE.
21508         (thunderxt88): Likewise.
21509         (thunderxt81): Disable LSE and change v8.1 to v8.
21510         (thunderxt83): Likewise.
21511
21512 2017-02-07  Jakub Jelinek  <jakub@redhat.com>
21513             Richard Biener  <rguenther@suse.de>
21514
21515         PR middle-end/79399
21516         * ira-int.h (struct target_ira_int): Change x_max_struct_costs_size
21517         type from int to size_t.
21518         * ira-costs.c (struct_costs_size): Change type from int to size_t.
21519
21520 2017-02-07  Jakub Jelinek  <jakub@redhat.com>
21521
21522         PR rtl-optimization/79386
21523         * cprop.c (bypass_conditional_jumps): Initialize
21524         bypass_last_basic_block already before splitting bbs after
21525         unconditional traps...
21526         (bypass_conditional_jumps): ... rather than here.
21527
21528         PR target/79299
21529         * config/i386/sse.md (xtg_mode, gatherq_mode): New mode attrs.
21530         (*avx512f_gathersi<mode>, *avx512f_gathersi<mode>_2,
21531         *avx512f_gatherdi<mode>, *avx512f_gatherdi<mode>_2): Use them,
21532         fix -masm=intel patterns.
21533
21534 2017-02-07  Richard Biener  <rguenther@suse.de>
21535
21536         PR tree-optimization/79256
21537         PR middle-end/79278
21538         * builtins.c (get_object_alignment_2): Use min_align_of_type
21539         to extract alignment for MEM_REFs to honor BIGGEST_FIELD_ALIGNMENT
21540         and ADJUST_FIELD_ALIGN.
21541
21542         * doc/tm.texi.in (ADJUST_FIELD_ALIGN): Adjust to take additional
21543         type parameter.
21544         * doc/tm.texi: Regenerate.
21545         * stor-layout.c (layout_decl): Adjust.
21546         (update_alignment_for_field): Likewise.
21547         (place_field): Likewise.
21548         (min_align_of_type): Likewise.
21549         * config/arc/arc.h (ADJUST_FIELD_ALIGN): Adjust.
21550         * config/epiphany/epiphany.h (ADJUST_FIELD_ALIGN): Likewise.
21551         * config/epiphany/epiphany.c (epiphany_adjust_field_align): Likewise.
21552         * config/frv/frv.h (ADJUST_FIELD_ALIGN): Likewise.
21553         * config/frv/frv.c (frv_adjust_field_align): Likewise.
21554         * config/i386/i386.h (ADJUST_FIELD_ALIGN): Likewise.
21555         * config/i386/i386.c (x86_field_alignment): Likewise.
21556         * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Likewise.
21557         * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Likewise.
21558         * config/rs6000/freebsd64.h (ADJUST_FIELD_ALIGN): Likewise.
21559         * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
21560         * config/rs6000/sysv4.h (ADJUST_FIELD_ALIGN): Likewise.
21561         * config/rs6000/rs6000.c (rs6000_special_adjust_field_align_p):
21562          Likewise.
21563
21564         Revert
21565         2017-01-30  Richard Biener  <rguenther@suse.de>
21566
21567         PR tree-optimization/79256
21568         * targhooks.c (default_builtin_vector_alignment_reachable): Honor
21569         BIGGEST_FIELD_ALIGNMENT and ADJUST_FIELD_ALIGN to fix up bogus
21570         alignment on TYPE.
21571
21572 2017-02-07  Toma Tabacu  <toma.tabacu@imgtec.com>
21573
21574         * config/mips/mips.c (mips_expand_builtin_insn): Convert the QImode
21575         argument of the pshufh, psllh, psllw, psrah, psraw, psrlh, psrlw
21576         builtins to SImode and emit a zero-extend, if necessary.
21577
21578 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
21579
21580         * docs/invoke.texi (RISC-V Options): Alphabetize.
21581
21582 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
21583
21584         * doc/invoke.texi (RISC-V Options): Use two spaces to separate
21585         options.
21586
21587 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
21588
21589         * config/riscv/riscv.c: New file.
21590         * common/config/riscv/riscv-common.c: Likewise.
21591         * config.gcc: Likewise.
21592         * config/riscv/constraints.md: Likewise.
21593         * config/riscv/elf.h: Likewise.
21594         * config/riscv/generic.md: Likewise.
21595         * config/riscv/linux.h: Likewise.
21596         * config/riscv/multilib-generator: Likewise.
21597         * config/riscv/peephole.md: Likewise.
21598         * config/riscv/pic.md: Likewise.
21599         * config/riscv/predicates.md: Likewise.
21600         * config/riscv/riscv-builtins.c: Likewise.
21601         * config/riscv/riscv-c.c: Likewise.
21602         * config/riscv/riscv-ftypes.def: Likewise.
21603         * config/riscv/riscv-modes.def: Likewise.
21604         * config/riscv/riscv-opts.h: Likewise.
21605         * config/riscv/riscv-protos.h: Likewise.
21606         * config/riscv/riscv.h: Likewise.
21607         * config/riscv/riscv.md: Likewise.
21608         * config/riscv/riscv.opt: Likewise.
21609         * config/riscv/sync.md: Likewise.
21610         * config/riscv/t-elf-multilib: Likewise.
21611         * config/riscv/t-linux: Likewise.
21612         * config/riscv/t-linux-multilib: Likewise.
21613         * config/riscv/t-riscv: Likewise.
21614         * configure.ac: Likewise.
21615         * doc/contrib.texi: Add Kito Cheng, Palmer Dabbelt, and Andrew
21616         Waterman as RISC-V maintainers.
21617         * doc/install.texi: Add RISC-V entries.
21618         * doc/invoke.texi: Add RISC-V options section.
21619         * doc/md.texi: Add RISC-V constraints section.
21620         * configure: Regenerated.
21621
21622 2017-02-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
21623
21624         PR target/66144
21625         * config/rs6000/vector.md (vcond<mode><mode>): Allow the true and
21626         false values to be constant vectors with all 0 or all 1 bits set.
21627         (vcondu<mode><mode>): Likewise.
21628         * config/rs6000/predicates.md (vector_int_reg_or_same_bit): New
21629         predicate.
21630         (fpmask_comparison_operator): Update comment.
21631         (vecint_comparison_operator): New predicate.
21632         * config/rs6000/rs6000.c (rs6000_emit_vector_cond_expr): Optimize
21633         vector conditionals when the true and false values are constant
21634         vectors with all 0 bits or all 1 bits set.
21635
21636 2017-02-06  Martin Sebor  <msebor@redhat.com>
21637
21638         PR  tree-optimization/79376
21639         * gimple-fold.c (get_range_strlen): Set the minimum length to zero.
21640
21641 2017-02-06  Uros Bizjak  <ubizjak@gmail.com>
21642
21643         * config/i386/sse.md (vector modes -> vec_extract* splitter): Use
21644         explicit subreg RTX with operand 1.  Use VECTOR_MODE_P predicate
21645         to simplify split condition.
21646
21647 2017-02-06  Jakub Jelinek  <jakub@redhat.com>
21648
21649         * omp-expand.c (oxpand_omp_atomic_fetch_op,
21650         expand_omp_atomic_pipeline): Return false if can_atomic_load_p is
21651         false.
21652
21653 2017-02-06  Segher Boessenkool  <segher@kernel.crashing.org>
21654
21655         PR rtl-optimization/68664
21656         * target.def (can_speculate_insn): New hook.
21657         * doc/tm.texi.in (TARGET_SCHED_CAN_SPECULATE_INSN): New hook.
21658         * doc/tm.texi: Regenerate.
21659         * sched-rgn.c (can_schedule_ready_p): Use the new hook.
21660         * config/rs6000/rs6000.c (TARGET_SCHED_CAN_SPECULATE_INSN): New macro.
21661         (rs6000_sched_can_speculate_insn): New function.
21662
21663 2017-02-06  Jakub Jelinek  <jakub@redhat.com>
21664
21665         PR tree-optimization/79284
21666         * tree-vectorizer.h (VECT_SCALAR_BOOLEAN_TYPE_P): Define.
21667         * tree-vect-stmts.c (vect_get_vec_def_for_operand,
21668         vectorizable_mask_load_store, vectorizable_operation,
21669         vect_is_simple_cond, get_same_sized_vectype): Use it instead
21670         of comparing TREE_CODE of a type against BOOLEAN_TYPE.
21671         * tree-vect-patterns.c (check_bool_pattern, search_type_for_mask_1,
21672         vect_recog_bool_pattern, vect_recog_mask_conversion_pattern): Likewise.
21673         * tree-vect-slp.c (vect_get_constant_vectors): Likewise.
21674         * tree-vect-loop.c (vect_determine_vectorization_factor): Likewise.
21675         Remove redundant gimple_code (stmt) == GIMPLE_ASSIGN test after
21676         is_gimple_assign (stmt).  Replace another such test with
21677         is_gimple_assign (stmt).
21678
21679 2017-02-06  Georg-Johann Lay  <avr@gjlay.de>
21680
21681         PR target/78883
21682         * config/avr/avr.c (rtl-iter.h): Include it.
21683         (TARGET_LEGITIMATE_COMBINED_INSN): New hook define...
21684         (avr_legitimate_combined_insn): ...and implementation.
21685
21686 2017-02-06  Dominik Vogt  <vogt@linux.vnet.ibm.com>
21687
21688         * config/s390/predicates.md ("larl_operand"): Use macros from hwint.h.
21689         * config/s390/s390.c (s390_const_operand_ok)
21690         (s390_canonicalize_comparison, s390_extract_part)
21691         (s390_single_part, s390_contiguous_bitmask_nowrap_p)
21692         (s390_contiguous_bitmask_p, s390_rtx_costs)
21693         (legitimize_pic_address): Likewise.
21694         * config/s390/s390.md ("clzdi2", "clztidi2"): Likewise.
21695         * config/s390/vx-builtins.md ("vec_genbytemaskv16qi")
21696         ("vec_permi<mode>", "vfae<mode>", "*vfaes<mode>", "vstrc<mode>")
21697         ("*vstrcs<mode>"): Use UINTVAL() to set unsigned HOST_WIDE_INT.
21698         * config/s390/vector.md ("vec_vfenes<mode>"): Likewise.
21699
21700 2017-02-06  Georg-Johann Lay  <avr@gjlay.de>
21701
21702         * config/avr/avr.md (*addhi3_zero_extend): Add alternative where
21703         REGNO($0) == REGNO($1).
21704
21705 2017-02-06  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
21706
21707         * config/s390/linux.h(SIZE_TYPE): Add comment.
21708
21709 2017-02-06  Julian Brown  <julian@codesourcery.com>
21710             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
21711             Virendra Pathak  <virendra.pathak@broadcom.com>
21712
21713         * config/aarch64/aarch64-cores.def: Change the scheduler
21714         to Thunderx2t99.
21715         * config/aarch64/aarch64.md: Include thunderx2t99.md.
21716         * config/aarch64/thunderx2t99.md: New file.
21717
21718 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
21719
21720         * doc/standards.texi (Go Language): Update link to language
21721         standard.
21722
21723 2017-02-05  Jan Hubicka  <hubicka@ucw.cz>
21724
21725         * tree-eh.c (lower_resx): Sanitize profile.
21726         (cleanup_empty_eh_move_lp): Likewise.
21727
21728 2017-02-05  Jan Hubicka  <hubicka@ucw.cz>
21729
21730         PR tree-ssa/79347
21731         * cfgloopmanip.c (lv_adjust_loop_entry_edge, loop_version): Add
21732         ELSE_PROB.
21733         * cfgloopmanip.h (loop_version): Update prototype.
21734         * modulo-sched.c (sms_schedule): Update call of loop_version.
21735         * tree-if-conv.c(version_loop_for_if_conversion): Likewise.
21736         * tree-parloops.c (gen_parallel_loop): Likewise.
21737         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Likewise.
21738         * tree-ssa-loop-split.c (split_loop): Likewise.
21739         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Likewise.
21740         * tree-vect-loop-manip.c (vect_loop_versioning): Likewise.
21741
21742 2017-02-05  Martin Liska  <mliska@suse.cz>
21743
21744         PR bootstrap/78985
21745         * config/s390/s390.c (s390_gimplify_va_arg): Initialize local
21746         variable to NULL.
21747         (print_operand_address): Initialize a struct to zero.
21748
21749 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
21750
21751         * doc/contrib.texi (Contributors): Refer to Hans Boehm's
21752         garbage collector only in textual form.
21753
21754 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
21755
21756         * doc/extend.texi (x86 specific memory model extensions for
21757         transactional memory): Simplify a phrase.
21758
21759 2017-02-05  Eric Botcazou  <ebotcazou@adacore.com>
21760
21761         PR target/79353
21762         * config/sparc/sync.md (atomic_loaddi_1): Replace 'U' constraint with
21763         'r', 'm' constraint with 'T' and !TARGET_ARCH64 with TARGET_ARCH32.
21764         (atomic_storedi_1): Likewise.
21765
21766 2017-02-04  Jakub Jelinek  <jakub@redhat.com>
21767
21768         PR tree-optimization/79338
21769         * tree-parloops.c (gather_scalar_reductions): Don't call
21770         vect_analyze_loop_form for loop->inner before destroying loop's
21771         loop_vinfo.
21772
21773 2017-02-03  Martin Sebor  <msebor@redhat.com>
21774
21775         PR tree-optimization/79327
21776         * gimple-ssa-sprintf.c (tree_digits): Avoid adding the base prefix
21777         when precision has resulted in leading zeros.
21778         (format_integer): Adjust the likely counter to assume an unknown
21779         argument that may be zero is non-zero.
21780
21781 2017-02-03  Jason Merrill  <jason@redhat.com>
21782
21783         PR c++/78689
21784         * tree-inline.c (copy_tree_body_r) [COND_EXPR]: Revert change to
21785         avoid copying non-taken branch.
21786
21787 2017-02-03  Jakub Jelinek  <jakub@redhat.com>
21788
21789         PR tree-optimization/79340
21790         * tree-vect-loop.c (vectorizable_reduction): Release
21791         vec_defs elements after safe_splicing them into other vectors.
21792         Formatting fixes.
21793
21794         PR tree-optimization/79327
21795         * gimple-ssa-sprintf.c (adjust_range_for_overflow): If returning
21796         true, always set *argmin and *argmax to TYPE_{MIN,MAX}_VALUE of
21797         dirtype.
21798         (format_integer): Use wide_int_to_tree instead of build_int_cst
21799         + to_?hwi.  If argmin is NULL, just set argmin and argmax to
21800         TYPE_{MIN,MAX}_VALUE of argtype.  Simplify and fix computation
21801         of shortest and longest sequence.
21802
21803 2017-02-03  Uros Bizjak  <ubizjak@gmail.com>
21804
21805         * config/i386/i386.c (dimode_scalar_chain::convert_reg):
21806         Use pextrd for TARGET_SSE4_1 when creating scalar copy.
21807
21808 2017-02-03  Walter Lee  <walt@tilera.com>
21809
21810         PR target/78862
21811         * config/tilegx/tilegx.md (tilegx_expand_prologue): Add blockage
21812         after initial stackframe link reg save.
21813         * config/tilepro/tilepro.md (tilepro_expand_prologue): Likewise.
21814
21815 2017-02-03  Jakub Jelinek  <jakub@redhat.com>
21816
21817         PR target/79354
21818         * config/rs6000/rs6000.md (movsi_from_sf): Use wb constraint instead of
21819         wu for stxssp alternative.
21820
21821 2017-02-03  Martin Sebor  <msebor@redhat.com>
21822
21823         PR tree-optimization/79352
21824         * gimple-fold.c (get_range_strlen): Add argument.
21825         (get_range_strlen): Change return type to bool.
21826         (get_maxval_strlen): Pass in a dummy argument.
21827         * gimple-fold.h (get_range_strlen): Change return type to bool.
21828         * gimple-ssa-sprintf.c (get_string_length): Set unlikely counter.
21829         * tree.h (array_at_struct_end_p): Add argument.
21830         * tree.c (array_at_struct_end_p): Handle it.
21831
21832 2017-02-03  Martin Liska  <mliska@suse.cz>
21833
21834         PR lto/66295
21835         * multiple_target.c (create_dispatcher_calls): Redirect edge
21836         from a caller of a dispatcher.
21837         (expand_target_clones): Make the clones local.
21838         (ipa_target_clone): Do both target clones and resolvers.
21839         (ipa_dispatcher_calls): Remove the pass.
21840         (pass_dispatcher_calls::gate): Likewise.
21841         (make_pass_dispatcher_calls): Likewise.
21842         * passes.def (pass_target_clone): Put as very first IPA early
21843         pass.
21844
21845 2017-02-03  Martin Liska  <mliska@suse.cz>
21846
21847         * symtab.c (symtab_node::binds_to_current_def_p): Bail out
21848         in case of a function with ifunc attribute.
21849
21850 2017-02-03  Martin Liska  <mliska@suse.cz>
21851
21852         * cgraph.c (cgraph_node::dump): Dump function version info.
21853         * symtab.c (symtab_node::dump_base): Add missing new line.
21854
21855 2017-02-02  Jan Hubicka  <hubicka@ucw.cz>
21856
21857         * tree-ssa-ifcombine.c (update_profile_after_ifcombine): New function.
21858         (ifcombine_ifandif): Use it.
21859
21860 2017-02-03  Martin Liska  <mliska@suse.cz>
21861
21862         * doc/invoke.texi: Document default value for
21863         use-after-scope-direct-emission-threshold.
21864
21865 2017-02-03  Martin Liska  <mliska@suse.cz>
21866
21867         PR tree-optimization/79339
21868         * gimple-ssa-sprintf.c (format_floating_max): Call mpfr_clear.
21869         (format_floating): Likewise.
21870
21871 2017-02-03  Martin Liska  <mliska@suse.cz>
21872
21873         PR ipa/79337
21874         * ipa-prop.c (ipa_node_params_t::insert): Remove current
21875         implementation.
21876         (ipa_node_params_t::remove): Likewise.
21877         * ipa-prop.h (ipa_node_params::ipa_node_params): Make default
21878         initialization from removed ipa_node_params_t::insert.
21879         (ipa_node_params::~ipa_node_params): Move from removed
21880         ipa_node_params_t::release.
21881         * symbol-summary.h (symbol_summary::m_released): New member.
21882         Do not release a summary twice.  Do not allow to call finalizer
21883         for types of a summary that live in GGC memory.
21884
21885 2017-02-02  Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
21886
21887         * config/aarch64/aarch64.c (thunderx2t99_tunings): Enable AES and
21888         cmp_branch fusion.
21889
21890 2017-02-02  Martin Sebor  <msebor@redhat.com>
21891
21892         PR middle-end/79275
21893         * gimple-ssa-sprintf.c (get_string_length): Set lower bound to zero.
21894         (format_string): Tighten up the range of output for non-constant
21895         strings and correct the expected range for wide non-constant strings.
21896
21897 2017-02-02  Martin Sebor  <msebor@redhat.com>
21898
21899         * doc/invoke.texi (-maccumulate-args): Fix bad grammar.
21900
21901         PR middle-end/32003
21902         * doc/invoke.texi (-fdump-tree-): Remove pass-specific options from
21903         index.
21904         (-fdump-tree-@var): Add to index and document how to come up
21905         with pass-specific option and dump file names.
21906         (-fdump-passes): Clarify where to look for output.
21907
21908 2017-02-02  Jan Hubicka  <hubicka@ucw.cz>
21909
21910         PR middle-end/77445
21911         * tree-ssa-threadbackward.c (profitable_jump_thread_path): Dump
21912         statistics of the analyzed path; allow threading for speed when
21913         any of BBs along the path are optimized for speed.
21914
21915 2017-02-02  Eric Botcazou  <ebotcazou@adacore.com>
21916
21917         PR middle-end/78468
21918         * emit-rtl.c (init_emit): Add ??? comment for problematic alignment
21919         settings of the virtual registers.
21920
21921         Revert again
21922         2016-08-23  Dominik Vogt  <vogt@linux.vnet.ibm.com>
21923
21924         * explow.c (get_dynamic_stack_size): Take known alignment of stack
21925         pointer + STACK_DYNAMIC_OFFSET into account when calculating the size
21926         needed.
21927
21928 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
21929
21930         * config/s390/vx-builtins.md ("vec_ceil", "vec_floor")
21931         ("vec_trunc", "vec_roundc", "vec_round"): Remove expanders.
21932
21933 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
21934
21935         * config/s390/s390.md: Add missing comments with the expanded
21936         mnemonics.
21937         * config/s390/vector.md: Likewise.
21938         * config/s390/vx-builtins.md: Likewise.
21939
21940 2017-02-02  Jakub Jelinek  <jakub@redhat.com>
21941
21942         PR target/79197
21943         * config/rs6000/rs6000.md (*fixuns_trunc<mode>di2_fctiduz): Rename to ...
21944         (fixuns_trunc<mode>di2): ... this, remove previous expander.  Put all
21945         conditions on a single line.
21946
21947 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
21948
21949         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Rename
21950         __S390_VX__ to __VX__.
21951
21952 2017-02-01  Andrew Pinski  <apinski@cavium.com>
21953
21954         * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost): Pass
21955         stmt_info to record_stmt_cost.
21956         (vect_get_known_peeling_cost): Pass stmt_info if known to
21957         record_stmt_cost.
21958         * config/aarch64/aarch64-protos.h (cpu_vector_cost): Split
21959         cpu_vector_cost field into
21960         scalar_int_stmt_cost and scalar_fp_stmt_cost.  Split vec_stmt_cost
21961         field into vec_int_stmt_cost and vec_fp_stmt_cost.
21962         * config/aarch64/aarch64.c (generic_vector_cost): Update for the
21963         splitting of scalar_stmt_cost and vec_stmt_cost.
21964         (thunderx_vector_cost): Likewise.
21965         (cortexa57_vector_cost): LIkewise.
21966         (exynosm1_vector_cost): Likewise.
21967         (xgene1_vector_cost): Likewise.
21968         (thunderx2t99_vector_cost): Improve after the splitting of the two
21969         fields.
21970         (aarch64_builtin_vectorization_cost): Update for the splitting of
21971         scalar_stmt_cost and vec_stmt_cost.
21972
21973 2017-02-01  Torvald Riegel  <triegel@redhat.com>
21974             Richard Henderson  <rth@redhat.com>
21975
21976         * builtins.c (fold_builtin_atomic_always_lock_free): Make "lock-free"
21977         conditional on existance of a fast atomic load.
21978         * optabs-query.c (can_atomic_load_p): New function.
21979         * optabs-query.h (can_atomic_load_p): Declare it.
21980         * optabs.c (expand_atomic_exchange): Always delegate to libatomic if
21981         no fast atomic load is available for the particular size of access.
21982         (expand_atomic_compare_and_swap): Likewise.
21983         (expand_atomic_load): Likewise.
21984         (expand_atomic_store): Likewise.
21985         (expand_atomic_fetch_op): Likewise.
21986         * testsuite/lib/target-supports.exp
21987         (check_effective_target_sync_int_128): Remove x86 because it provides
21988         no fast atomic load.
21989         (check_effective_target_sync_int_128_runtime): Likewise.
21990
21991 2017-02-01  Richard Biener  <rguenther@suse.de>
21992
21993         * graphite.c: Include tree-vectorizer.h for find_loop_location.
21994         (graphite_transform_loops): Provide opt-info for optimized nests.
21995         * tree-parloop.c (parallelize_loops): Provide opt-info for
21996         parallelized loops.
21997
21998 2017-02-01  Richard Biener  <rguenther@suse.de>
21999
22000         PR middle-end/79315
22001         * tree-cfg.c (move_stmt_op): Never set TREE_BLOCK when it
22002         was not set before.
22003
22004 2017-02-01  Richard Biener  <rguenther@suse.de>
22005
22006         PR tree-optimization/71824
22007         * graphite-scop-detection.c (scop_detection::build_scop_breadth):
22008         Verify the loops are valid in the merged SESE region.
22009         (scop_detection::can_represent_loop_1): Check analyzing the
22010         evolution of the number of iterations in the region succeeds.
22011
22012 2017-01-31  Ian Lance Taylor  <iant@golang.org>
22013
22014         * config/i386/i386.c (ix86_expand_split_stack_prologue): Add
22015         REG_ARGS_SIZE note to 32-bit push insns and call insn.
22016
22017 2017-01-31  David Malcolm  <dmalcolm@redhat.com>
22018
22019         PR preprocessor/79210
22020         * input.c (get_substring_ranges_for_loc): Replace line_width
22021         assertion with error-handling.
22022
22023 2017-01-31  Richard Biener  <rguenther@suse.de>
22024
22025         PR tree-optimization/77318
22026         * graphite-sese-to-poly.c (extract_affine): Fix assert.
22027         (create_pw_aff_from_tree): Take loop parameter.
22028         (add_condition_to_pbb): Pass loop of the condition to
22029         create_pw_aff_from_tree.
22030
22031 2017-01-31  Jakub Jelinek  <jakub@redhat.com>
22032
22033         * config/s390/s390.c (s390_asan_shadow_offset): New function.
22034         (TARGET_ASAN_SHADOW_OFFSET): Redefine.
22035
22036 2017-01-31  Michael Meissner  <meissner@linux.vnet.ibm.com>
22037
22038         PR target/78597
22039         PR target/79038
22040         * config/rs6000/rs6000-protos.h (convert_float128_to_int): Delete,
22041         no longer used.
22042         (convert_int_to_float128): Likewise.
22043         * config/rs6000/rs6000.c (convert_float128_to_int): Likewise.
22044         (convert_int_to_float128): Likewise.
22045         * config/rs6000/rs6000.md (UNSPEC_IEEE128_MOVE): Likewise.
22046         (UNSPEC_IEEE128_CONVERT): Likewise.
22047         (floatsi<mode>2, FLOAT128 iterator): Bypass calling
22048         rs6000_expand_float128_convert if we have IEEE 128-bit hardware.
22049         Use local variables for IBM extended format.
22050         (fix_trunc<mode>si2, FLOAT128 iterator): Likewise.
22051         (fix_trunc<mode>si2_fprs): Likewise.
22052         (fixuns_trunc<IEEE128:mode><SDI:mode>2): Likewise.
22053         (floatuns<IEEE128:mode>2, IEEE128 iterator): Likewise.
22054         (fix<uns>_<mode>si2_hw): Rework the IEEE 128-bt hardware support
22055         to know that we can now have integers of all sizes in vector
22056         registers.
22057         (fix<uns>_<mode>di2_hw): Likewise.
22058         (float<uns>_<mode>si2_hw): Likewise.
22059         (fix_<mode>si2_hw): Likewise.
22060         (fixuns_<mode>si2_hw): Likewise.
22061         (float<uns>_<mode>di2_hw): Likewise.
22062         (float_<mode>di2_hw): Likewise.
22063         (float_<mode>si2_hw): Likewise.
22064         (floatuns_<mode>di2_hw): Likewise.
22065         (floatuns_<mode>si2_hw): Likewise.
22066         (xscvqp<su>wz_<mode>): Delete, no longer used.
22067         (xscvqp<su>dz_<mode>): Likewise.
22068         (xscv<su>dqp_<mode>): Likewise.
22069         (ieee128_mfvsrd_64bit): Likewise.
22070         (ieee128_mfvsrd_32bit): Likewise.
22071         (ieee128_mfvsrwz): Likewise.
22072         (ieee128_mtvsrw): Likewise.
22073         (ieee128_mtvsrd_64bit): Likewise.
22074         (ieee128_mtvsrd_32bit): Likewise.
22075
22076 2017-01-31  Martin Liska  <mliska@suse.cz>
22077
22078         PR ipa/79285
22079         * ipa-prop.c (ipa_free_all_node_params): Call release method
22080         instead of ~sumbol_summary to not to trigger double times
22081         dtor of hash_map.
22082
22083 2017-01-31  Aldy Hernandez  <aldyh@redhat.com>
22084
22085         PR tree-optimization/71691
22086         * bitmap.h (class auto_bitmap): New.
22087         * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Call
22088         is_maybe_undefined instead of ssa_undefined_value_p.
22089
22090 2017-01-31  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
22091
22092         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Rename
22093         __S390_ARCH_LEVEL__ to __ARCH__.
22094
22095 2017-01-31  Jakub Jelinek  <jakub@redhat.com>
22096
22097         PR tree-optimization/79267
22098         * value-prof.c (gimple_ic): Only drop lhs for noreturn calls
22099         if should_remove_lhs_p is true.
22100
22101 2017-01-30  Alexandre Oliva <aoliva@redhat.com>
22102
22103         PR debug/63238
22104         * dwarf2out.c (clone_as_declaration): Drop DW_AT_alignment.
22105         (add_alignment_attribute): New.
22106         (base_type_die): Add alignment attribute.
22107         (subrange_type_die): Likewise.
22108         (modified_type_die): Likewise.
22109         (gen_array_type_die): Likewise.
22110         (gen_descr_array_type_die: Likewise.
22111         (gen_enumeration_type_die): Likewise.
22112         (gen_subprogram_die): Likewise.
22113         (gen_variable_die): Likewise.
22114         (gen_field_die): Likewise.
22115         (gen_ptr_to_mbr_type_die): Likewise.
22116         (gen_struct_or_union_type_die): Likewise.
22117         (gen_subroutine_type_die): Likewise.
22118         (gen_typedef_die): Likewise.
22119         (base_type_cmp): Compare alignment attribute.
22120
22121 2017-01-30  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
22122
22123         PR target/79170
22124         * config/rs6000/altivec.md (*setb_internal): Rename to setb_signed.
22125         (setb_unsigned) New pattern for setb with CCUNS.
22126         * config/rs6000/rs6000.c (expand_block_compare): Use a different
22127         subfc./subfe sequence to avoid overflow problems.  Generate a
22128         shorter sequence with cmpld/setb for power9.
22129         * config/rs6000/rs6000.md (subf<mode>3_carry_dot2): Add a new pattern
22130         for generating subfc. instruction.
22131         (cmpstrsi): Add TARGET_POPCNTD predicate as the generate sequence
22132         now uses this instruction.
22133
22134 2017-01-30  Ian Lance Taylor  <iant@google.com>
22135
22136         PR debug/79289
22137         * dwarf2out.c (gen_type_die_with_usage): When picking a variant
22138         for FUNCTION_TYPE/METHOD_TYPE, use the first matching one.
22139
22140 2017-01-30  Martin Sebor  <msebor@redhat.com>
22141
22142         * gimple-ssa-sprintf.c (fmtresult::adjust_for_width_or_precision):
22143         Move constant to the right of a relational operator.
22144         (get_mpfr_format_length, format_character, format_string): Ditto.
22145         (should_warn_p, maybe_warn): Same.
22146
22147         * doc/invoke.texi (-Wformat-truncation=1): Fix typo.
22148
22149 2017-01-30  Maxim Ostapenko  <m.ostapenko@samsung.com>
22150
22151         PR lto/79061
22152         * asan.c (get_translation_unit_decl): Remove function.
22153         (asan_add_global): Force has_dynamic_init to zero in LTO mode.
22154
22155 2017-01-30  Martin Liska  <mliska@suse.cz>
22156
22157         PR gcov-profile/79259
22158         * opts.c (common_handle_option): Enable flag_ipa_bit_cp w/
22159         -fprofile-generate.
22160
22161 2017-01-30  Martin Liska  <mliska@suse.cz>
22162
22163         PR bootstrap/78985
22164         * config/aarch64/cortex-a57-fma-steering.c (func_fma_steering::analyze):
22165         Initialize variables with NULL value.
22166
22167 2017-01-30  Richard Earnshaw  <rearnsh@arm.com>
22168
22169         PR target/79260
22170         * config.gcc (arm*-*-*): Add arm/arm-flags.h and arm/arm-isa.h to
22171         tm_p_file.
22172         * arm/arm-protos.h: Don't directly include arm-flags.h and arm-isa.h.
22173
22174 2017-01-30  Richard Biener  <rguenther@suse.de>
22175
22176         PR tree-optimization/79276
22177         * tree-vrp.c (process_assert_insertions): Properly adjust common
22178         when removing a duplicate.
22179
22180         * gcc.dg/torture/pr79276.c: New testcase.
22181
22182 2017-01-30  Richard Biener  <rguenther@suse.de>
22183
22184         PR tree-optimization/79256
22185         * targhooks.c (default_builtin_vector_alignment_reachable): Honor
22186         BIGGEST_FIELD_ALIGNMENT and ADJUST_FIELD_ALIGN to fix up bogus
22187         alignment on TYPE.
22188         * tree.c (build_aligned_type): Set TYPE_USER_ALIGN.
22189
22190 2017-01-30  Dominik Vogt  <vogt@linux.vnet.ibm.com>
22191
22192         PR target/79240
22193         * config/s390/s390.md ("*r<noxa>sbg_<mode>_srl_bitmask")
22194         ("*r<noxa>sbg_<mode>_sll_bitmask")
22195         ("*extzv_<mode>_srl<clobbercc_or_nocc>")
22196         ("*extzv_<mode>_sll<clobbercc_or_nocc>"):
22197         Use contiguous_bitmask_nowrap_operand.
22198
22199 2017-01-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
22200
22201         PR target/79268
22202         * config/rs6000/altivec.h (vec_xl): Revise #define.
22203         (vec_xst): Likewise.
22204
22205 2017-01-27  Uros Bizjak  <ubizjak@gmail.com>
22206
22207         * config/i386/i386.c (print_reg): Use REGNO instead of true_regnum.
22208
22209 2017-01-27  Bernd Schmidt  <bschmidt@redhat.com>
22210
22211         PR rtl-optimization/79194
22212         * cprop.c (one_cprop_pass): Move deletion of code after unconditional
22213         traps before call to bypass_conditional_jumps.
22214
22215 2017-01-27  Vladimir Makarov  <vmakarov@redhat.com>
22216
22217         PR tree-optimization/71374
22218         * lra-constraints.c (check_conflict_input_operands): New.
22219         (match_reload): Use it.
22220
22221 2017-01-27  Vladimir Makarov  <vmakarov@redhat.com>
22222
22223         PR target/79131
22224         * lra-assigns.c (find_hard_regno_for_1): Take endianess for into
22225         account to calculate conflict_set.
22226
22227 2017-01-27  Bin Cheng  <bin.cheng@arm.com>
22228
22229         PR rtl-optimization/78559
22230         * combine.c (try_combine): Discard REG_EQUAL and REG_EQUIV for
22231         other_insn in combine.
22232
22233 2017-01-27  Pekka Jääskeläinen  <pekka.jaaskelainen@parmance.com>
22234
22235         * builtin-types.def: Use unsigned_char_type_node for BT_UINT8.  Use
22236         uint16_type_node for BT_UINT16.
22237
22238 2017-01-27  David Malcolm  <dmalcolm@redhat.com>
22239
22240         * doc/sourcebuild.texi (Testsuites): Add "GIMPLE Tests" and
22241         "RTL Tests" to menu.
22242         (GIMPLE Tests): New node.
22243         (RTL Tests): New node.
22244
22245 2017-01-27  Richard Biener  <rguenther@suse.de>
22246
22247         PR tree-optimization/79245
22248         * tree-loop-distribution.c (distribute_loop): Apply cost
22249         modeling also to detected patterns.
22250
22251 2017-01-27  Richard Biener  <rguenther@suse.de>
22252
22253         PR tree-optimization/71433
22254         * tree-vrp.c (register_new_assert_for): Revert earlier changes.
22255         (compare_assert_loc): New function.
22256         (process_assert_insertions): Sort and optimize assert locations
22257         to remove duplicates and push down identical assertions on
22258         edges to their destination block.
22259
22260 2017-01-27  Richard Biener  <rguenther@suse.de>
22261
22262         PR tree-optimization/79244
22263         * tree-vrp.c (remove_range_assertions): Forcefully propagate
22264         out SSA names even if abnormal.
22265
22266 2017-01-27  Jakub Jelinek  <jakub@redhat.com>
22267
22268         * realmpfr.h: Poison MPFR_RND{N,Z,U,D}.
22269         * gimple-ssa-sprintf.c (format_floating_max): Use GMP_RNDN
22270         instead of MPFR_RNDN.
22271
22272 2017-01-27  Richard Earnshaw  <rearnsha@arm.com>
22273
22274         PR target/79239
22275         * arm.c (arm_option_override): Don't call build_target_option_node
22276         until after doing all option overrides.
22277         (arm_valid_target_attribute_tree): Likewise.
22278
22279 2017-01-27  Martin Liska  <mliska@suse.cz>
22280
22281         * doc/invoke.texi (-fprofile-arcs): Document profiling support
22282         for {cd}tors and C++ {cd}tors.
22283
22284 2017-01-27  Dominik Vogt  <vogt@linux.vnet.ibm.com>
22285
22286         * config/s390/s390.md ("*setmem_long_and")
22287         ("*setmem_long_and_31z"): Use zero_extend instead of and.
22288
22289 2017-01-26  Martin Sebor  <msebor@redhat.com>
22290
22291         * gimple-ssa-sprintf.c (format_floating): Simplify the computation
22292         of precision.
22293
22294 2017-01-26  Martin Sebor  <msebor@redhat.com>
22295
22296         * gimple-ssa-sprintf.c (format_floating): Test HAVE_XFmode and
22297         HAVE_DFmode before using XFmode or DFmode.
22298         (parse_directive): Avoid using the z length modifier to avoid
22299         the ISO C++98 does not support the ‘z’ gnu_printf length modifier.
22300
22301         PR middle-end/78703
22302         * gimple-ssa-sprintf.c (adjust_for_width_or_precision): Change
22303         to accept adjustment as an array.
22304         (get_int_range): New function.
22305         (struct directive): Make width and prec arrays.
22306         (directive::set_width, directive::set_precision): Call get_int_range.
22307         (format_integer, format_floating): Handle width and precision ranges.
22308         (format_string, parse_directive): Same.
22309
22310 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
22311
22312         PR debug/79129
22313         * dwarf2out.c (generate_skeleton_bottom_up): For children with
22314         comdat_type_p set, just clone them, but keep the children in the
22315         original DIE.
22316
22317         PR debug/78835
22318         * dwarf2out.c (prune_unused_types): Mark all functions with DIEs
22319         which have direct callers with -fvar-tracking-assignments enabled
22320         in the current TU.
22321         (resolve_addr): Avoid adding skeleton DIEs for DW_AT_call_origin
22322         inside of type units.
22323
22324 2017-01-26  Martin Sebor  <msebor@redhat.com>
22325
22326         PR middle-end/78703
22327         * gimple-ssa-sprintf.c (struct result_range): Add likely and
22328         unlikely counters.
22329         (struct format_result): Replace number_chars, number_chars_min,
22330         and number_chars_max with a single member of struct result_range.
22331         Remove bounded.
22332         (format_result::operator+=): Adjust.
22333         (struct fmtresult): Remove bounded.  Handle likely and unlikely
22334         counters.
22335         (fmtresult::adjust_for_width_or_precision): New function.
22336         (fmtresult:type_max_digits): New function.
22337         (bytes_remaining): Handle likely and unlikely counters.
22338         (min_bytes_remaining): Remove.
22339         (format_percent): Simplify.
22340         (format_integer, format_floating): Set likely and unlikely counters.
22341         (get_string_length, format_character, format_string): Same.
22342         (format_plain, should_warn_p): New function.
22343         (maybe_warn): Call should_warn_p.  Update diagnostic messages
22344         and handle those for all directives, including plain strings.
22345         (format_directive): Handle likely and unlikely counters.
22346         Remove unnecessary quoting from diagnostics.  Add an informational
22347         note.
22348         (add_bytes): Remove.
22349         (pass_sprintf_length::compute_format_length): Simplify.
22350         (try_substitute_return_value): Handle likely and unlikely counters.
22351
22352 2017-01-26  Carl Love  <cel@us.ibm.com>
22353
22354         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Remove
22355         bogus entries for the P8V_BUILTIN_VEC_VGBBD built-ins
22356
22357 2017-01-26  Vladimir Makarov  <vmakarov@redhat.com>
22358
22359         PR target/79131
22360         * lra-assigns.c (setup_live_pseudos_and_spill_after_risky): Take
22361         endianess for subregs into account.
22362         * lra-constraints.c (lra_constraints): Do risky transformations
22363         always on the first iteration.
22364         * lra-lives.c (check_pseudos_live_through_calls): Add arg
22365         last_call_used_reg_set.
22366         (process_bb_lives): Define and use last_call_used_reg_set.
22367         * lra.c (lra): Always continue after lra_constraints on the first
22368         iteration.
22369
22370 2017-01-26  Kirill Yukhin  <kirill.yukhin@gmail.com>
22371
22372         * gcc.target/i386/avx512bw-kshiftlq-2.c: Use unsigned long long
22373         constant.
22374         * gcc.target/i386/avx512bw-kshiftrq-2.c: Ditto.
22375
22376 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
22377
22378         * config/i386/avx512fintrin.h (_ktest_mask16_u8,
22379         _ktestz_mask16_u8, _ktestc_mask16_u8, _kadd_mask16): Move to ...
22380         * config/i386/avx512dqintrin.h (_ktest_mask16_u8,
22381         _ktestz_mask16_u8, _ktestc_mask16_u8, _kadd_mask16): ... here.
22382         * config/i386/i386-builtin.def (__builtin_ia32_ktestchi,
22383         __builtin_ia32_ktestzhi, __builtin_ia32_kaddhi): Use
22384         OPTION_MASK_ISA_AVX512DQ instead of OPTION_MASK_ISA_AVX512F.
22385         * config/i386/sse.md (SWI1248_AVX512BWDQ2): New mode iterator.
22386         (kadd<mode>, ktest<mode>): Use it instead of SWI1248_AVX512BWDQ.
22387
22388 2017-01-26  Marek Polacek  <polacek@redhat.com>
22389
22390         PR c/79199
22391         * fold-const.c (operand_equal_p) [COND_EXPR]: Use OP_SAME_WITH_NULL
22392         for the third operand.
22393
22394 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
22395
22396         PR middle-end/79236
22397         * omp-low.c (struct omp_context): Add simt_stmt field.
22398         (scan_omp_for): Return omp_context *.
22399         (scan_omp_simd): Set simt_stmt on the non-_simt_ SIMD
22400         context to the _simt_ SIMD stmt.
22401         (lower_omp_for): For combined SIMD with sibling _simt_
22402         SIMD, make sure to use the same decls in _looptemp_
22403         clauses as in the sibling.
22404
22405 2017-01-26  David Sherwood  <david.sherwood@arm.com>
22406
22407         PR middle-end/79212
22408         * gimplify.c (omp_notice_variable): Add GOVD_SEEN flag to variables in
22409         all contexts.
22410
22411 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
22412
22413         PR target/70465
22414         * reg-stack.c (emit_swap_insn): Instead of fld a; fld b; fxchg %st(1);
22415         emit fld b; fld a; if possible.
22416
22417         * brig-builtins.def: Update copyright years.
22418         * config/arm/arm_acle_builtins.def: Update copyright years.
22419
22420 2017-01-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
22421
22422         PR target/79179
22423         * config/rs6000/vsx.md (vsx_extract_<mode>_store): Use wY
22424         constraint instead of o for the stxsd instruction.
22425
22426 2017-01-25  Carl Love  <cel@us.ibm.com>
22427
22428         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Fix order
22429         of entries for ALTIVEC_BUILTIN_VEC_PACKS and P8V_BUILTIN_VEC_VGBBD.
22430
22431 2017-01-25  Jonathan Wakely  <jwakely@redhat.com>
22432
22433         * doc/invoke.texi (C++ Dialect Options): Fix typo.
22434
22435 2017-01-25  Richard Biener  <rguenther@suse.de>
22436
22437         PR tree-optimization/69264
22438         * target.def (vector_alignment_reachable): Improve documentation.
22439         * doc/tm.texi: Regenerate.
22440         * targhooks.c (default_builtin_vector_alignment_reachable): Simplify
22441         and add a comment.
22442         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Revert
22443         earlier changes with respect to TYPE_USER_ALIGN.
22444         (vector_alignment_reachable_p): Likewise.  Improve dumping.
22445
22446 2016-01-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
22447
22448         PR target/79145
22449         * config/arm/arm.md (xordi3): Force constant operand into a register
22450         for TARGET_IWMMXT.
22451
22452 2016-01-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
22453
22454         * doc/invoke.texi (-fstore-merging): Correct default optimization
22455         levels at which it is enabled.
22456         (-O): Move -fstore-merging from list to...
22457         (-O2): ... Here.
22458
22459 2017-01-25  Richard Biener  <rguenther@suse.de>
22460
22461         PR debug/78363
22462         * omp-expand.c: Include debug.h.
22463         (expand_omp_taskreg): Make sure to generate early debug before
22464         outlining anything from a function.
22465         (expand_omp_target): Likewise.
22466         (grid_expand_target_grid_body): Likewise.
22467
22468 2017-01-25  Maxim Ostapenko  <m.ostapenko@samsung.com>
22469
22470         PR lto/79061
22471         * asan.c (get_translation_unit_decl): New function.
22472         (asan_add_global): Extract modules file name from globals
22473         TRANSLATION_UNIT_DECL name.
22474
22475 2017-01-24  Eric Botcazou  <ebotcazou@adacore.com>
22476
22477         PR target/77439
22478         * config/arm/arm.c (arm_function_ok_for_sibcall): Add back restriction
22479         for long calls with APCS frame and VFP.
22480
22481 2017-01-24  David Malcolm  <dmalcolm@redhat.com>
22482
22483         * cfg.c (original_copy_tables_initialized_p): New function.
22484         * cfg.h (original_copy_tables_initialized_p): New decl.
22485         * cfgrtl.c (relink_block_chain): Guard the call to
22486         free_original_copy_tables with a call to
22487         original_copy_tables_initialized_p.
22488         * cgraph.h (symtab_node::native_rtl_p): New decl.
22489         * cgraphunit.c (symtab_node::native_rtl_p): New function.
22490         (symtab_node::needed_p): Don't assert for early assembly output
22491         for __RTL functions.
22492         (cgraph_node::finalize_function): Set "force_output" for __RTL
22493         functions.
22494         (cgraph_node::analyze): Bail out early for __RTL functions.
22495         (analyze_functions): Update assertion to support __RTL functions.
22496         (cgraph_node::expand): Bail out early for __RTL functions.
22497         * final.c (rest_of_clean_state): Don't call delete_tree_ssa for
22498         __RTL functions.
22499         * function.h (struct function): Update comment for field
22500         "pass_startwith".
22501         * gimple-expr.c: Include "tree-pass.h".
22502         (gimple_has_body_p): Return false for __RTL functions.
22503         * Makefile.in (OBJS): Add run-rtl-passes.o.
22504         * pass_manager.h (gcc::pass_manager::get_rest_of_compilation): New
22505         accessor.
22506         (gcc::pass_manager::get_clean_slate): New accessor.
22507         * passes.c: Include "insn-addr.h".
22508         (should_skip_pass_p): Add logging.  Update logic for running
22509         "expand" to be compatible with both __GIMPLE and __RTL.  Guard
22510         property-provider override so it is only done for gimple passes.
22511         Don't skip dfinit.
22512         (skip_pass): New function.
22513         (execute_one_pass): Call skip_pass when skipping passes.
22514         * read-md.c (md_reader::read_char): Support filtering
22515         the input to a subset of line numbers.
22516         (md_reader::md_reader): Initialize fields
22517         m_first_line and m_last_line.
22518         (md_reader::read_file_fragment): New function.
22519         * read-md.h (md_reader::read_file_fragment): New decl.
22520         (md_reader::m_first_line): New field.
22521         (md_reader::m_last_line): New field.
22522         * read-rtl-function.c (function_reader::create_function): Only
22523         create cfun if it doesn't already exist.  Set PROP_rtl on cfun's
22524         curr_properties.  Set DECL_INITIAL to a dummy block.
22525         (read_rtl_function_body_from_file_range): New function.
22526         * read-rtl-function.h (read_rtl_function_body_from_file_range):
22527         New decl.
22528         * run-rtl-passes.c: New file.
22529         * run-rtl-passes.h: New file.
22530
22531 2017-01-24  Jeff Law  <law@redhat.com>
22532
22533         * config/microblaze/microblaze.h (ASM_FORMAT_PRIVATE_NAME): Increase
22534         buffer size.
22535
22536 2017-01-24  Bin Cheng  <bin.cheng@arm.com>
22537
22538         PR tree-optimization/79159
22539         * tree-ssa-loop-niter.c (get_cst_init_from_scev): New function.
22540         (record_nonwrapping_iv): Improve boundary using above function if no
22541         value range information.
22542
22543 2017-01-24  Pekka Jääskeläinen  <pekka@parmance.com>
22544             Martin Jambor  <mjambor@suse.cz>
22545
22546         * brig-builtins.def: New file.
22547         * builtins.def (DEF_HSAIL_BUILTIN): New macro.
22548         (DEF_HSAIL_ATOMIC_BUILTIN): Likewise.
22549         (DEF_HSAIL_SAT_BUILTIN): Likewise.
22550         (DEF_HSAIL_INTR_BUILTIN): Likewise.
22551         (DEF_HSAIL_CVT_ZEROI_SAT_BUILTIN): Likewise.
22552         * builtin-types.def (BT_INT8): New.
22553         (BT_INT16): Likewise.
22554         (BT_UINT8): Likewise.
22555         (BT_UINT16): Likewise.
22556         (BT_FN_ULONG): Likewise.
22557         (BT_FN_UINT_INT): Likewise.
22558         (BT_FN_UINT_ULONG): Likewise.
22559         (BT_FN_UINT_LONG): Likewise.
22560         (BT_FN_UINT_PTR): Likewise.
22561         (BT_FN_ULONG_PTR): Likewise.
22562         (BT_FN_INT8_FLOAT): Likewise.
22563         (BT_FN_INT16_FLOAT): Likewise.
22564         (BT_FN_UINT32_FLOAT): Likewise.
22565         (BT_FN_UINT16_FLOAT): Likewise.
22566         (BT_FN_UINT8_FLOAT): Likewise.
22567         (BT_FN_UINT64_FLOAT): Likewise.
22568         (BT_FN_UINT16_UINT32): Likewise.
22569         (BT_FN_UINT32_UINT16): Likewise.
22570         (BT_FN_UINT16_UINT16_UINT16): Likewise.
22571         (BT_FN_INT_PTR_INT): Likewise.
22572         (BT_FN_UINT_PTR_UINT): Likewise.
22573         (BT_FN_LONG_PTR_LONG): Likewise.
22574         (BT_FN_ULONG_PTR_ULONG): Likewise.
22575         (BT_FN_VOID_UINT64_UINT64): Likewise.
22576         (BT_FN_UINT8_UINT8_UINT8): Likewise.
22577         (BT_FN_INT8_INT8_INT8): Likewise.
22578         (BT_FN_INT16_INT16_INT16): Likewise.
22579         (BT_FN_INT_INT_INT): Likewise.
22580         (BT_FN_UINT_FLOAT_UINT): Likewise.
22581         (BT_FN_FLOAT_UINT_UINT): Likewise.
22582         (BT_FN_ULONG_UINT_UINT): Likewise.
22583         (BT_FN_ULONG_UINT_PTR): Likewise.
22584         (BT_FN_ULONG_ULONG_ULONG): Likewise.
22585         (BT_FN_UINT_UINT_UINT): Likewise.
22586         (BT_FN_VOID_UINT_PTR): Likewise.
22587         (BT_FN_UINT_UINT_PTR: Likewise.
22588         (BT_FN_UINT32_UINT64_PTR): Likewise.
22589         (BT_FN_INT_INT_UINT_UINT): Likewise.
22590         (BT_FN_UINT_UINT_UINT_UINT): Likewise.
22591         (BT_FN_UINT_UINT_UINT_PTR): Likewise.
22592         (BT_FN_UINT_ULONG_ULONG_UINT): Likewise.
22593         (BT_FN_ULONG_ULONG_ULONG_ULONG): Likewise.
22594         (BT_FN_LONG_LONG_UINT_UINT): Likewise.
22595         (BT_FN_ULONG_ULONG_UINT_UINT): Likewise.
22596         (BT_FN_VOID_UINT32_UINT64_PTR): Likewise.
22597         (BT_FN_VOID_UINT32_UINT32_PTR): Likewise.
22598         (BT_FN_UINT_UINT_UINT_UINT_UINT): Likewise.
22599         (BT_FN_UINT_FLOAT_FLOAT_FLOAT_FLOAT): Likewise.
22600         (BT_FN_ULONG_ULONG_ULONG_UINT_UINT): Likewise.
22601         * doc/frontends.texi: List BRIG FE.
22602         * doc/install.texi (Testing): Add BRIG tesring requirements.
22603         * doc/invoke.texi (Overall Options): Mention BRIG.
22604         * doc/standards.texi (Standards): Doucment BRIG HSA version.
22605
22606 2017-01-24  Richard Biener  <rguenther@suse.de>
22607
22608         PR translation/79208
22609         * ipa-devirt.c (odr_types_equivalent_p): Fix typo in diagnostic.
22610
22611 2017-01-24  Martin Jambor  <mjambor@suse.cz>
22612
22613         PR bootstrap/79198
22614         * ipa-prop.c (ipa_free_all_node_params): Call summary destructor.
22615         * ipa-prop.c (ipa_node_params_t::insert): Initialize fields known_csts
22616         and known_contexts.
22617
22618 2017-01-24  Aldy Hernandez  <aldyh@redhat.com>
22619
22620         PR middle-end/79123
22621         * gimple-ssa-warn-alloca.c (alloca_call_type): Make sure
22622         casts from signed to unsigned really don't have a range.
22623
22624 2017-01-24  Markus Trippelsdorf  <markus@trippelsdorf.de>
22625
22626         * gimple-ssa-sprintf.c (format_floating): Change MPFR_RNDx to
22627         GMP_RNDx for compatiblity.
22628
22629 2017-01-24  Martin Liska  <mliska@suse.cz>
22630
22631         PR bootstrap/79132
22632         * tree-ssa-reassoc.c (rewrite_expr_tree_parallel): Insert assert
22633         that would prevent us to call alloca with -1 as argument.
22634
22635 2017-01-24  Jakub Jelinek  <jakub@redhat.com>
22636
22637         * dwarf2out.c (output_compilation_unit_header, output_file_names):
22638         Avoid -Wformat-security warning.
22639
22640 2017-01-23  Andrew Pinski  <apinski@cavium.com>
22641
22642         * config/aarch64/aarch64.c (thunderx2t99_addrcost_table): Improve
22643         cost table.
22644
22645 2017-01-23  Martin Sebor  <msebor@redhat.com>
22646
22647         PR middle-end/78703
22648         * gimple-ssa-sprintf.c (warn_level): New global.
22649         (format_integer): Use it here and throughout the rest of the file.
22650         Use the same switch to compute sign as base.
22651         (maybe_warn): New function.
22652         (format_directive): Factor out warnings into maybe_warn.
22653         Add debugging output.  Use warn_level.
22654         (add_bytes): Use warn_level.
22655         (pass_sprintf_length::compute_format_length): Add debugging output.
22656         (try_substitute_return_value): Same.
22657         (pass_sprintf_length::handle_gimple_call): Set and use warn_level.
22658
22659         PR middle-end/78703
22660         * gimple-ssa-sprintf.c (struct format_result): Remove constant member.
22661         (struct fmtresult, format_integer, format_floating): Adjust.
22662         (fmtresult::fmtresult): Set max correctly in two argument ctor.
22663         (get_string_length, format_string,format_directive): Same.
22664         (pass_sprintf_length::compute_format_length): Same.
22665         (try_substitute_return_value): Simplify slightly.
22666
22667         PR middle-end/78703
22668         * gimple-ssa-sprintf.c (pass_sprintf_length::gate): Adjust formatting.
22669         (fmtresult::operator+=): Outlined.
22670         (struct fmtresult): Add ctors.
22671         (struct conversion_spec): Rename...
22672         (struct directive): ...to this.  Add and remove data members.
22673         (directive::set_width, directive::set_precision): New functions.
22674         (format_percent): Use fmtresult ctor.
22675         (get_width_and_precision): Remove.
22676         (format_integer): Make naming changes.  Avoid computing width and
22677         precision.
22678         (format_floating): Same.  Adjust indentation.
22679         (format_character, format_none): New functions.
22680         (format_string): Moved character handling to format_character.
22681         (format_directive): Remove arguments, change return type.
22682         (parse_directive): New function.
22683         (pass_sprintf_length::compute_format_length): Move directive
22684         parsing to parse_directive.
22685
22686 2017-01-23  Jakub Jelinek  <jakub@redhat.com>
22687
22688         * tree.h (assign_assembler_name_if_neeeded): Rename to ...
22689         (assign_assembler_name_if_needed): ... this.
22690         * tree.c (assign_assembler_name_if_neeeded): Rename to ...
22691         (assign_assembler_name_if_needed): ... this.
22692         (free_lang_data_in_cgraph): Adjust callers.
22693         * cgraphunit.c (cgraph_node::analyze): Likewise.
22694         * omp-expand.c (expand_omp_taskreg, expand_omp_target):
22695         Likewise.
22696
22697 2017-01-23  Richard Biener  <rguenther@suse.de>
22698
22699         PR tree-optimization/79088
22700         PR tree-optimization/79188
22701         * tree-ssa-threadupdate.c (mark_threaded_blocks): Move code
22702         resetting loop bounds after last path deletion.  Reset loop
22703         bounds of the target loop, make code match the comments.
22704         * tree-ssa-threadbackwards.c (pass_early_thread_jumps::execute):
22705         Make sure loops need no fixups.
22706
22707 2017-01-23  Kelvin Nilsen  <kelvin@gcc.gnu.org>
22708
22709         * config/rs6000/rs6000-builtin.def (VSIEDPF): Add scalar insert
22710         exponent support with double type for first argument.
22711         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Changed
22712         type returned by __builtin_vec_extract_sig,
22713         __builtin_vec_extract_sig_sp, and __builtin_vec_extract_sig_dp
22714         functions from "vector int" to "vector unsigned int" or from
22715         "vector long long int" to "vector unsigned long long int".
22716         Changed type returned by __builtin_vec_extract_exp,
22717         __builtin_vec_extract_exp_sp, and __builtin_vec_extract_exp_dp
22718         functions from "vector int" to "vector unsigned int" or from
22719         "vector long long int" to "vector unsigned long long int".
22720         Changed return type of __builtin_vec_test_data_class,
22721         __builtin_vec_test_data_class_sp, and
22722         __builtin_vec_test_data_class_dp from "vector int" to
22723         "vector bool int" or from "vector long long int" to "vector bool
22724         long long int" and changed second argument type from "unsigned
22725         int" to "int".  Added new overloaded function forms "vector float
22726         __builtin_vec_insert_exp (vector float, vector unsigned int)" and
22727         "vector float __builtin_vec_insert_exp_sp (vector float, vector
22728         unsigned int)" and "vector double __builtin_vec_insert_exp (vector
22729         double, vector unsigned long long int)" and "vector double
22730         __builtin_vec_insert_exp_dp (vector double, vector unsigned long
22731         long int)".  Changed return type of
22732         __builtin_scalar_test_data_class and
22733         __builtin_scalar_test_data_class_sp and
22734         __builtin_scalar_test_data_class_dp from "unsigned int" to "bool
22735         int" and changed second argument from "unsigned int" to "int".
22736         Changed type returned by __builtin_scalar_test_neg,
22737         __builtin_scalar_test_neg_sp, and __builtin_scalar_test_neg_dp
22738         from "int" to "bool int".  Added new overloaded function form
22739         "double __builtin_scalar_insert_exp (double, unsigned long long int)".
22740         * config/rs6000/vsx.md (xsiexpdpf): New insn for scalar insert
22741         exponent double-precision with floating point first argument.
22742         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Adjust
22743         documentation of scalar_test_data_class, scalar_test_neg,
22744         scalar_extract_sig, scalar_extract_exp, scalar_insert_exp,
22745         vector_extract_exp, vec_extract_sig, vec_insert_exp, and
22746         vec_test_data_class built-in functions to reflect refinements in
22747         their type signatures.
22748
22749 2017-01-23  Andreas Tobler  <andreast@gcc.gnu.org>
22750
22751         * config/aarch64/aarch64.c (aarch64_elf_asm_constructor): Increase
22752         size of buf.
22753         (aarch64_elf_asm_destructor): Likewise.
22754
22755 2017-01-23  Bernd Schmidt  <bschmidt@redhat.com>
22756
22757         PR rtl-optimization/78634
22758         * config/i386/i386.c (ix86_max_noce_ifcvt_seq_cost): New function.
22759         (TARGET_MAX_NOCE_IFCVT_SEQ_COST): Define.
22760         * ifcvt.c (noce_try_cmove): Add missing cost check.
22761
22762         PR rtl-optimization/71724
22763         * combine.c (if_then_else_cond): Look for situations where it is
22764         beneficial to undo the work of one of the recursive calls.
22765
22766 2017-01-23  Bin Cheng  <bin.cheng@arm.com>
22767
22768         PR tree-optimization/70754
22769         * tree-predcom.c (stmt_combining_refs): New parameter INSERT_BEFORE.
22770         (reassociate_to_the_same_stmt): New parameter INSERT_BEFORE.  Insert
22771         combined stmt before it if not NULL.
22772         (combine_chains): Process refs reversely and compute dominance point
22773         for root ref.
22774
22775 2017-01-23  Martin Liska  <mliska@suse.cz>
22776
22777         PR tree-optimization/79196
22778         * tree-ssa-strlen.c (fold_strstr_to_memcmp): Rename to ...
22779         (fold_strstr_to_strncmp): ... this.  Fold the pattern to strncmp
22780         instead of memcmp.
22781         (strlen_optimize_stmt): Call the renamed function.
22782
22783 2017-01-23  Michael Matz  <matz@suse.de>
22784
22785         PR tree-optimization/78384
22786         * tree-ssa-loop-split.c (patch_loop_exit): Use correct edge.
22787
22788 2017-01-23  Richard Biener  <rguenther@suse.de>
22789
22790         PR tree-optimization/79186
22791         * tree-vrp.c (register_new_assert_for): Make sure we've seen
22792         both incoming edges before moving an assert.
22793
22794 2017-01-23  Martin Jambor  <mjambor@suse.cz>
22795
22796         * ipa-prop.c (load_from_param_1): Removed.
22797         (load_from_unmodified_param): Bits from load_from_param_1 put back
22798         here.
22799         (load_from_param): Removed.
22800         (compute_complex_assign_jump_func): Removed stmt2 and just replaced it
22801         with stmt.  Reverted back to use of load_from_unmodified_param.
22802
22803 2017-01-23  Martin Jambor  <mjambor@suse.cz>
22804
22805         PR ipa/79108
22806         * ipa-prop.h (ipa_param_descriptor): Anotate with with GTY(()).
22807         (ipa_node_params): Annotate with GTY((for_user)).  Make descriptors
22808         field a pointer to garbage collected vector, mark lattices and
22809         ipcp_orig_node with GTY((skip)).
22810         (ipa_get_param_count): Adjust to descriptors being a pointer.
22811         (ipa_get_param): Likewise.
22812         (ipa_get_type): Likewise.
22813         (ipa_get_param_move_cost): Likewise.
22814         (ipa_set_param_used): Likewise.
22815         (ipa_get_controlled_uses): Likewise.
22816         (ipa_set_controlled_uses): Likewise.
22817         (ipa_is_param_used): Likewise.
22818         (ipa_node_params_t): Move into garbage collector.  New methods insert
22819         and remove.
22820         (ipa_node_params_sum): Annotate wth GTY(()).
22821         (ipa_check_create_node_params): Adjust to ipa_node_params_sum being
22822         garbage collected.
22823         (ipa_load_from_parm_agg): Adjust declaration.
22824         * ipa-icf.c (param_used_p): Adjust to descriptors being a pointer.
22825         * ipa-profile.c (ipa_profile): Likewise.
22826         * ipa-prop.c (ipa_get_param_decl_index_1): Likewise.
22827         (ipa_populate_param_decls): Make descriptors parameter garbage
22828         collected.
22829         (ipa_dump_param): Adjust to descriptors being a pointer.
22830         (ipa_alloc_node_params): Likewise.
22831         (ipa_initialize_node_params): Likewise.
22832         (load_from_param_1): Make descriptors parameter garbage collected.
22833         (load_from_unmodified_param): Likewise.
22834         (load_from_param): Likewise.
22835         (ipa_load_from_parm_agg): Likewise.
22836         (ipa_node_params::~ipa_node_params): Removed.
22837         (ipa_free_all_node_params): Remove call to delete operator.
22838         (ipa_node_params_t::insert): New.
22839         (ipa_node_params_t::remove): Likewise.
22840         (ipa_node_params_t::duplicate): Adjust to descriptors being a pointer,
22841         copy known_csts and known_contexts vectors.
22842         (ipa_read_node_info): Adjust to descriptors being a pointer.
22843         (ipcp_modif_dom_walker): Make m_descriptors field garbage
22844         collected.
22845         (ipcp_transform_function): Make descriptors variable garbage
22846         collected.
22847
22848 2017-01-23  Andrew Senkevich  <andrew.senkevich@intel.com>
22849
22850         * config/i386/avx512bwintrin.h: Add k-mask test, kortest intrinsics.
22851         * config/i386/avx512dqintrin.h: Ditto.
22852         * config/i386/avx512fintrin.h: Ditto.
22853         * config/i386/i386.c: Handle new builtins.
22854         * config/i386/i386-builtin.def: Add new builtins.
22855         * config/i386/sse.md (ktest<mode>, kortest<mode>): New.
22856         (UNSPEC_KORTEST, UNSPEC_KTEST): New.
22857
22858 2017-01-23  Jakub Jelinek  <jakub@redhat.com>
22859             Martin Liska  <mliska@suse.cz>
22860
22861         * asan.h: Define ASAN_USE_AFTER_SCOPE_ATTRIBUTE.
22862         * asan.c (asan_expand_poison_ifn): Support stores and use
22863         appropriate ASAN report function.
22864         * internal-fn.c (expand_ASAN_POISON_USE): New function.
22865         * internal-fn.def (ASAN_POISON_USE): Declare.
22866         * tree-into-ssa.c (maybe_add_asan_poison_write): New function.
22867         (maybe_register_def): Create ASAN_POISON_USE when sanitizing.
22868         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Remove
22869         ASAN_POISON calls w/o LHS.
22870         * tree-ssa.c (execute_update_addresses_taken): Create clobber
22871         for ASAN_MARK (UNPOISON, &x, ...) in order to prevent usage of a LHS
22872         from ASAN_MARK (POISON, &x, ...) coming to a PHI node.
22873         * gimplify.c (asan_poison_variables): Add attribute
22874         use_after_scope_memory to variables that really needs to live
22875         in memory.
22876         * tree-ssa.c (is_asan_mark_p): Do not rewrite into SSA when
22877         having the attribute.
22878
22879 2017-01-23  Martin Liska  <mliska@suse.cz>
22880
22881         * asan.c (create_asan_shadow_var): New function.
22882         (asan_expand_poison_ifn): Likewise.
22883         * asan.h (asan_expand_poison_ifn): New declaration.
22884         * internal-fn.c (expand_ASAN_POISON): Likewise.
22885         * internal-fn.def (ASAN_POISON): New builtin.
22886         * sanopt.c (pass_sanopt::execute): Expand
22887         asan_expand_poison_ifn.
22888         * tree-inline.c (copy_decl_for_dup_finish): Make function
22889         external.
22890         * tree-inline.h (copy_decl_for_dup_finish): Likewise.
22891         * tree-ssa.c (is_asan_mark_p): New function.
22892         (execute_update_addresses_taken): Rewrite local variables
22893         (identified just by use-after-scope as addressable) into SSA.
22894
22895 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
22896
22897         * doc/install.texi (Specific): opensource.apple.com uses https
22898         now. Remove trailing slash.
22899
22900 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
22901
22902         * README.Portability: Remove note on an Irix compatibility issue.
22903
22904 2017-01-22  Dimitry Andric <dim@FreeBSD.org>
22905
22906         * gcov.c (INCLUDE_ALGORITHM): Define.
22907         (INCLUDE_VECTOR): Define.
22908         No longer include <vector> and <algorithm> directly.
22909
22910 2017-01-21  Gerald Pfeifer  <gerald@pfeifer.com>
22911
22912         * doc/extend.texi (Thread-Local): Change www.akkadia.org reference
22913         to https.
22914         * doc/invoke.texi (Code Gen Options): Ditto.
22915
22916 2017-01-21  Jan Hubicka  <hubicka@ucw.cz>
22917
22918         PR lto/78407
22919         * cfg.c (update_bb_profile_for_threading): Fix updating of probablity.
22920
22921 2017-01-21  Bernd Schmidt  <bschmidt@redhat.com>
22922
22923         rtl-optimization/79125
22924         * cprop.c (local_cprop_pass): Handle cases where we make an
22925         unconditional trap.
22926
22927 2017-01-20  Segher Boessenkool  <segher@kernel.crashing.org>
22928
22929         PR target/61729
22930         PR target/77850
22931         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Adjust address to
22932         read from, for big endian.
22933
22934 2017-01-20  Jiong Wang  <jiong.wang@arm.com>
22935
22936         * config/aarch64/aarch64-builtins.c (aarch64_init_builtins): Register
22937         register pauth builtins for LP64 only.
22938
22939 2017-01-20  Marek Polacek  <polacek@redhat.com>
22940
22941         PR c/79152
22942         * gimplify.c (should_warn_for_implicit_fallthrough): Handle consecutive
22943         non-case labels.
22944
22945 2017-01-20  Alexander Monakov  <amonakov@ispras.ru>
22946
22947         * omp-expand.c (expand_omp_simd): Clear PROP_gimple_lomp_dev regardless
22948         of safelen status.
22949         * omp-offload.c (pass_omp_device_lower::gate): Use PROP_gimple_lomp_dev.
22950         * passes.c (dump_properties): Handle PROP_gimple_lomp_dev.
22951         * tree-inline.c (expand_call_inline): Propagate PROP_gimple_lomp_dev.
22952
22953 2017-01-20  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
22954
22955         PR target/71270
22956         * config/arm/arm.c (neon_valid_immediate): Reject vector constants
22957         in big-endian mode when they are not a single duplicated value.
22958
22959 2017-01-20  Richard Biener  <rguenther@suse.de>
22960
22961         * BASE-VER: Bump to 7.0.1.
22962
22963 2017-01-20  Alexander Monakov  <amonakov@ispras.ru>
22964
22965         * omp-low.c (omplow_simd_context): New struct.  Use it...
22966         (lower_rec_simd_input_clauses): ...here and...
22967         (lower_rec_input_clauses): ...here to hold common data.  Adjust all
22968         references to idx, lane, max_vf, is_simt.
22969
22970 2017-01-20  Graham Markall  <graham.markall@embecosm.com>
22971
22972         * config/arc/arc.h (LINK_SPEC): Use arclinux_nps emulation when
22973         mcpu=nps400.
22974
22975 2017-01-20  Martin Jambor  <mjambor@suse.cz>
22976
22977         * hsa.h: Renaed to hsa-common.h.  Adjusted a comment.
22978         * hsa.c: Renaed to hsa-common.c.  Change include of gt-hsa.h to
22979         gt-hsa-common.h.
22980         * Makefile.in (OBJS): Rename hsa.o to hsa-common.o.
22981         (GTFILES): Rename hsa.c to hsa-common.c.
22982         * hsa-brig.c: Change include of hsa.h to hsa-common.h.
22983         * hsa-dump.c: Likewise.
22984         * hsa-gen.c: Likewise.
22985         * hsa-regalloc.c: Likewise.
22986         * ipa-hsa.c: Likewise.
22987         * omp-expand.c: Likewise.
22988         * omp-low.c: Likewise.
22989         * toplev.c: Likewise.
22990
22991 2017-01-20  Marek Polacek  <polacek@redhat.com>
22992
22993         PR c/64279
22994         * doc/invoke.texi: Document -Wduplicated-branches.
22995         * fold-const.c (operand_equal_p): Handle MODIFY_EXPR, INIT_EXPR,
22996         COMPOUND_EXPR, PREDECREMENT_EXPR, PREINCREMENT_EXPR,
22997         POSTDECREMENT_EXPR, POSTINCREMENT_EXPR, CLEANUP_POINT_EXPR, EXPR_STMT,
22998         STATEMENT_LIST, and RETURN_EXPR.  For non-pure non-const functions
22999         return 0 only when not OEP_LEXICOGRAPHIC.
23000         (fold_build_cleanup_point_expr): Use the expression
23001         location when building CLEANUP_POINT_EXPR.
23002         * tree-core.h (enum operand_equal_flag): Add OEP_LEXICOGRAPHIC.
23003         * tree.c (add_expr): Handle error_mark_node.
23004
23005 2017-01-20  Martin Liska  <mliska@suse.cz>
23006
23007         PR lto/69188
23008         * tree-profile.c (init_ic_make_global_vars): Do not call
23009         finalize_decl.
23010         (gimple_init_gcov_profiler): Likewise.
23011
23012 2017-01-20  Martin Liska  <mliska@suse.cz>
23013
23014         PR ipa/71190
23015         * cgraph.h (maybe_create_reference): Remove argument and
23016         update comment.
23017         * cgraphclones.c (cgraph_node::create_virtual_clone): Remove one
23018         argument.
23019         * ipa-cp.c (create_specialized_node): Likewise.
23020         * symtab.c (symtab_node::maybe_create_reference): Handle
23021         VAR_DECLs and ADDR_EXPRs and select ipa_ref_use type.
23022
23023 2017-01-20  Martin Liska  <mliska@suse.cz>
23024
23025         * read-rtl-function.c (function_reader::create_function): Use
23026         build_decl instread of build_decl_stat.
23027
23028 2017-01-20  Andrew Senkevich  <andrew.senkevich@intel.com>
23029
23030         * config/i386/avx512bwintrin.h: Add k-mask registers shift intrinsics.
23031         * config/i386/avx512dqintrin.h: Ditto.
23032         * config/i386/avx512fintrin.h: Ditto.
23033         * config/i386/i386-builtin-types.def: Add new types.
23034         * config/i386/i386.c: Handle new types.
23035         * config/i386/i386-builtin.def (__builtin_ia32_kshiftliqi)
23036         (__builtin_ia32_kshiftlihi, __builtin_ia32_kshiftlisi)
23037         (__builtin_ia32_kshiftlidi, __builtin_ia32_kshiftriqi)
23038         (__builtin_ia32_kshiftrihi, __builtin_ia32_kshiftrisi)
23039         (__builtin_ia32_kshiftridi): New.
23040         * config/i386/sse.md (k<code><mode>): Rename *k<code><mode>.
23041
23042 2017-01-19  Segher Boessenkool  <segher@kernel.crashing.org>
23043
23044         PR target/78875
23045         PR target/79140
23046         * config/rs6000/rs6000.c (TARGET_STACK_PROTECT_GUARD): Unconditionally
23047         define to rs6000_init_stack_protect_guard.
23048         (rs6000_init_stack_protect_guard): New function.
23049
23050 2017-01-19  Matthew Fortune  <matthew.fortune@imgtec.com>
23051             Yunqiang Su  <yunqiang.su@imgtec.com>
23052
23053         * config.gcc (supported_defaults): Add madd4.
23054         (with_madd4): Add validation.
23055         (all_defaults): Add madd4.
23056         * config/mips/mips.opt (mmadd4): New option.
23057         * config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
23058         mmadd4.
23059         (TARGET_CPU_CPP_BUILTINS): Add builtin_define for
23060         __mips_no_madd4.
23061         (ISA_HAS_UNFUSED_MADD4): Gate with mips_madd4.
23062         (ISA_HAS_FUSED_MADD4): Likewise.
23063         * doc/invoke.texi (-mmadd4): Document the new option.
23064         * doc/install.texi (--with-madd4): Document the new option.
23065
23066 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
23067
23068         * config/aarch64/aarch64-builtins.c (enum aarch64_builtins): New
23069         entries for AARCH64_PAUTH_BUILTIN_XPACLRI,
23070         AARCH64_PAUTH_BUILTIN_PACIA1716, AARCH64_PAUTH_BUILTIN_AUTIA1716.
23071         (aarch64_init_pauth_hint_builtins): New.
23072         (aarch64_init_builtins): Call aarch64_init_pauth_hint_builtins.
23073         (aarch64_expand_builtin): Expand new builtins.
23074
23075 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
23076
23077         * reg-notes.def (CFA_TOGGLE_RA_MANGLE): New reg-note.
23078         * combine-stack-adj.c (no_unhandled_cfa): Handle
23079         REG_CFA_TOGGLE_RA_MANGLE.
23080         * dwarf2cfi.c (dwarf2out_frame_debug): Handle REG_CFA_TOGGLE_RA_MANGLE.
23081         * config/aarch64/aarch64.c (aarch64_expand_prologue): Generates DWARF
23082         info for return address signing.
23083         (aarch64_expand_epilogue): Likewise.
23084
23085 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
23086
23087         * config/aarch64/aarch64-opts.h (aarch64_function_type): New enum.
23088         * config/aarch64/aarch64-protos.h
23089         (aarch64_return_address_signing_enabled): New declaration.
23090         * config/aarch64/aarch64.c (aarch64_return_address_signing_enabled):
23091         New function.
23092         (aarch64_expand_prologue): Sign return address before it's pushed onto
23093         stack.
23094         (aarch64_expand_epilogue): Authenticate return address fetched from
23095         stack.
23096         (aarch64_override_options): Sanity check for ILP32 and ISA level.
23097         (aarch64_attributes): New function attributes for "sign-return-address".
23098         * config/aarch64/aarch64.md (UNSPEC_AUTI1716, UNSPEC_AUTISP,
23099         UNSPEC_PACI1716, UNSPEC_PACISP, UNSPEC_XPACLRI): New unspecs.
23100         ("*do_return"): Generate combined instructions according to key index.
23101         ("<pauth_mnem_prefix>sp", "<pauth_mnem_prefix1716", "xpaclri"): New.
23102         * config/aarch64/iterators.md (PAUTH_LR_SP, PAUTH_17_16): New integer
23103         iterators.
23104         (pauth_mnem_prefix, pauth_hint_num_a): New integer attributes.
23105         * config/aarch64/aarch64.opt (msign-return-address=): New.
23106         * doc/extend.texi (AArch64 Function Attributes): Documents
23107         "sign-return-address=".
23108         * doc/invoke.texi (AArch64 Options): Documents "-msign-return-address=".
23109
23110 2017-01-19  Matthew Fortune  <matthew.fortune@imgtec.com>
23111
23112         * doc/invoke.texi: Add missing -mlxc1-sxc1 options to
23113         overall option summary.
23114
23115 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
23116
23117         * config/aarch64/aarch64-arches.def: New entry for "armv8.3-a".
23118         * config/aarch64/aarch64.h (AARCH64_FL_V8_3, AARCH64_FL_FOR_ARCH8_3,
23119         AARCH64_ISA_V8_3, TARGET_ARMV8_3): New.
23120         * doc/invoke.texi (AArch64 Options): Document "armv8.3-a".
23121
23122 2017-01-19  Michael Meissner  <meissner@linux.vnet.ibm.com>
23123
23124         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Enable
23125         -mpower9-minmax by default for -mcpu=power9.
23126         (ISA_3_MASKS_IEEE): Require -mvsx-small-integer to enable IEEE
23127         128-bit floating point.
23128
23129 2017-01-20  Alan Modra  <amodra@gmail.com>
23130
23131         * config/rs6000/rs6000.md (cmpstrnsi, cmpstrsi): Fail if
23132         optimizing for size.
23133
23134 2017-01-20  Alan Modra  <amodra@gmail.com>
23135
23136         PR target/79144
23137         * config/rs6000/rs6000.c (expand_strn_compare): Get the asm name
23138         for strcmp and strncmp from corresponding builtin decl.
23139
23140 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
23141
23142         * config.gcc (x86_64-*-rtems*): Use i386/rtemself.h
23143         instead of i386/rtems-64.h.
23144         * config/i386/rtems-64.h: Remove.
23145
23146 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
23147
23148         PR target/78478
23149         Revert:
23150         2013-11-05  Uros Bizjak  <ubizjak@gmail.com>
23151
23152         * config/i386/rtemself.h (LONG_DOUBLE_TYPE_SIZE): New define.
23153
23154 2017-01-19  Tamar Christina  <tamar.christina@arm.com>
23155
23156         * config/aarch64/aarch64.c (aarch64_simd_gen_const_vector_dup):
23157         Change int to HOST_WIDE_INT.
23158         * config/aarch64/aarch64-protos.h
23159         (aarch64_simd_gen_const_vector_dup): Likewise.
23160         * config/aarch64/aarch64-simd.md: Add copysign<mode>3.
23161
23162 2017-01-19  David Malcolm  <dmalcolm@redhat.com>
23163
23164         * langhooks-def.h (lhd_type_for_size): New decl.
23165         (LANG_HOOKS_TYPE_FOR_SIZE): Define as lhd_type_for_size.
23166         * langhooks.c (lhd_type_for_size): New function, taken from
23167         lto_type_for_size.
23168
23169 2017-01-19  Pat Haugen  <pthaugen@us.ibm.com>
23170
23171         * config/rs6000/power9.md (power9-alu): Remove 'cmp' type and add
23172         define_bypass for CR latency.
23173         (power9-cracked-alu): Update bypass latency and remove power9-branch.
23174         (power9-alu2): Add define_bypass for CR latency.
23175         (power9-cmp): New.
23176         (power9-mul): Update insn latency.
23177         (power9-mul-compare): Update insn latency, bypass latency and remove
23178         power9-branch.
23179
23180 2016-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
23181
23182         * config/aarch64/aarch64-protos.h (aarch64_nopcrelative_literal_loads):
23183         Delete.
23184         * config/aarch64/aarch64.md
23185         (aarch64_reload_movcp<GPF_TF:mode><P:mode>): Delete reference to
23186         aarch64_nopcrelative_literal_loads.
23187         (aarch64_reload_movcp<VALL:mode><P:mode>): Likewise.
23188
23189 2017-01-19  Chenghua Xu  <paul.hua.gm@gmail.com>
23190
23191         * config/mips/mips.h (ISA_HAS_FUSED_MADD4): Enable for
23192         TARGET_LOONGSON_3A.
23193         (ISA_HAS_UNFUSED_MADD4): Exclude TARGET_LOONGSON_3A.
23194
23195 2017-01-19  Doug Gilmore  <doug.gilmore@imgtec.com>
23196
23197         PR target/78176
23198         * config.gcc (supported_defaults): Add lxc1-sxc1.
23199         (with_lxc1_sxc1): Add validation.
23200         (all_defaults): Add lxc1-sxc1.
23201         * config/mips/mips.opt (mlxc1-sxc1): New option.
23202         * config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
23203         mlxc1-sxc1.
23204         (TARGET_CPU_CPP_BUILTINS): Add builtin_define for
23205         __mips_no_lxc1_sxc1.
23206         (ISA_HAS_LXC1_SXC1): Gate with mips_lxc1_sxc1.
23207         * doc/invoke.texi (-mlxc1-sxc1): Document the new option.
23208         * doc/install.texi (--with-lxc1-sxc1): Document the new option.
23209
23210 2017-01-19  Richard Biener  <rguenther@suse.de>
23211
23212         PR tree-optimization/72488
23213         * tree-ssa-sccvn.c (run_scc_vn): When we abort the VN make
23214         sure to restore SSA info.
23215         * tree-ssa.c (verify_ssa): Verify SSA info is not shared.
23216
23217 2017-01-19  Richard Earnshaw  <rearnsha@arm.com>
23218
23219         PR rtl-optimization/79121
23220         * expr.c (expand_expr_real_2, case LSHIFT_EXPR): Look at the signedness
23221         of the inner type when shifting an extended value.
23222
23223 2017-01-17  Jan Hubicka  <hubicka@ucw.cz>
23224
23225         PR lto/78407
23226         * symtab.c (symtab_node::equal_address_to): Fix comparing of
23227         interposable aliases.
23228
23229 2017-01-18  Peter Bergner  <bergner@vnet.ibm.com>
23230
23231         PR target/78516
23232         * config/rs6000/spe.md (mov_si<mode>_e500_subreg0): Fix constraints.
23233         Use the evmergelohi instruction.
23234         (mov_si<mode>_e500_subreg4_2_le): Likewise.
23235         (mov_sitf_e500_subreg8_2_be): Likewise.
23236         (mov_sitf_e500_subreg12_2_le): Likewise.
23237         (mov_si<mode>_e500_subreg0_2_le): Fix constraints.
23238         (mov_si<mode>_e500_subreg4_2_be): Likewise.
23239         (mov_sitf_e500_subreg8_2_le): Likewise.
23240         (mov_sitf_e500_subreg12_2_be): Likewise.
23241
23242 2017-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
23243
23244         * config/rs6000/altivec.md (altivec_vbpermq): Change "type"
23245         attribute from vecsimple to vecperm.
23246         (altivec_vbpermq2): Likewise.
23247
23248 2017-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
23249
23250         PR target/79040
23251         * config/rs6000/altivec.h: Fix typo of vec_cntlz to vec_cnttz.
23252
23253 2017-01-18  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
23254         * config/rs6000/rs6000-protos.h (expand_strn_compare): Add arg.
23255         * config/rs6000/rs6000.c (expand_strn_compare): Add ability to expand
23256         strcmp. Fix bug where comparison didn't stop with zero byte. Fix
23257         case where N arg is SIZE_MAX.
23258         * config/rs6000/rs6000.md (cmpstrnsi): Args to expand_strn_compare.
23259         (cmpstrsi): Add pattern.
23260
23261 2017-01-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
23262
23263         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
23264         __builtin_vec_revb builtins.
23265         * config/rs6000/rs6000-builtins.def (P9V_BUILTIN_XXBRQ_V16QI): Add
23266         built-in functions to support generation of the ISA 3.0 XXBR<x>
23267         vector byte reverse instructions.
23268         (P9V_BUILTIN_XXBRQ_V1TI): Likewise.
23269         (P9V_BUILTIN_XXBRD_V2DI): Likewise.
23270         (P9V_BUILTIN_XXBRD_V2DF): Likewise.
23271         (P9V_BUILTIN_XXBGW_V4SI): Likewise.
23272         (P9V_BUILTIN_XXBGW_V4SF): Likewise.
23273         (P9V_BUILTIN_XXBGH_V8HI): Likewise.
23274         (P9V_BUILTIN_VEC_REVB): Likewise.
23275         * config/rs6000/vsx.md (p9_xxbrq_v1ti): New insns/expanders to
23276         generate the ISA 3.0 XXBR<x> vector byte reverse instructions.
23277         (p9_xxbrq_v16qi): Likewise.
23278         (p9_xxbrd_<mode>, VSX_D iterator): Likewise.
23279         (p9_xxbrw_<mode>, VSX_W iterator): Likewise.
23280         (p9_xxbrh_v8hi): Likewise.
23281         * config/rs6000/altivec.h (vec_revb): Define if ISA 3.0.
23282         * doc/extend.texi (RS/6000 Altivec Built-ins): Document the
23283         vec_revb built-in functions.
23284
23285 2017-01-18  Uros Bizjak  <ubizjak@gmail.com>
23286
23287         PR rtl-optimization/78952
23288         * config/i386/i386.md (any_extract): New code iterator.
23289         (*insvqi_2): Use any_extract for source operand.
23290         (*insvqi_3): Use any_shiftrt for source operand.
23291
23292 2017-01-18  Wilco Dijkstra  <wdijkstr@arm.com>
23293
23294         * config/aarch64/aarch64.c (aarch64_sched_adjust_priority)
23295         New function.
23296         (TARGET_SCHED_ADJUST_PRIORITY): Define target hook.
23297
23298 2017-01-18  Matthias Klose  <doko@ubuntu.com>
23299
23300         * doc/install.texi: Allow default for --with-target-bdw-gc-include.
23301
23302 2016-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
23303
23304         * config/rs6000/altivec.h (vec_bperm): Change #define.
23305         * config/rs6000/altivec.md (UNSPEC_VBPERMD): New enum constant.
23306         (altivec_vbpermq2): New define_insn.
23307         (altivec_vbpermd): Likewise.
23308         * config/rs6000/rs6000-builtin.def (VBPERMQ2): New monomorphic
23309         function interface.
23310         (VBPERMD): Likewise.
23311         (VBPERM): New polymorphic function interface.
23312         * config/rs6000/r6000-c.c (altivec_overloaded_builtins_table):
23313         Add entries for P9V_BUILTIN_VEC_VBPERM.
23314         * doc/extend.texi: Add interfaces for vec_bperm.
23315
23316 2017-01-18  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
23317
23318         * config/s390/s390-c.c (s390_expand_overloaded_builtin): Downcase
23319         first letter of error messages.
23320         (s390_resolve_overloaded_builtin): Likewise.
23321         * config/s390/s390.c (s390_expand_builtin): Likewise.
23322         (s390_invalid_arg_for_unprototyped_fn): Likewise.
23323         (s390_valid_target_attribute_inner_p): Likewise.
23324         * config/s390/s390.md ("tabort"): Likewise.
23325
23326 2017-01-18  Toma Tabacu  <toma.tabacu@imgtec.com>
23327
23328         * config/mips/mips.h (ISA_HAS_DIV3): Remove unused macro.
23329         (ISA_AVOID_DIV_HILO): New macro.
23330         (ISA_HAS_DIV): Use new ISA_AVOID_DIV_HILO macro.
23331         (ISA_HAS_DDIV): Likewise.
23332
23333 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
23334
23335         * doc/invoke.texi (fabi-version): Correct number of occurrences.
23336
23337 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
23338
23339         * doc/invoke.texi (fabi-version): Spelling fix.
23340
23341 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
23342
23343         PR c++/70182
23344         * doc/invoke.texi (fabi-version): Mention mangling fix for
23345         operator names.
23346
23347 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
23348
23349         PR c++/77489
23350         * doc/invoke.texi (fabi-version): Document discriminator mangling.
23351
23352 2017-01-17  Segher Boessenkool  <segher@kernel.crashing.org>
23353
23354         PR target/78875
23355         * config/rs6000/rs6000-opts.h (stack_protector_guard): New enum.
23356         * config/rs6000/rs6000.c (rs6000_option_override_internal): Handle
23357         the new options.
23358         * config/rs6000/rs6000.md (stack_protect_set): Handle the new more
23359         flexible settings.
23360         (stack_protect_test): Ditto.
23361         * config/rs6000/rs6000.opt (mstack-protector-guard=,
23362         mstack-protector-guard-reg=, mstack-protector-guard-offset=): New
23363         options.
23364         * doc/invoke.texi (Option Summary) [RS/6000 and PowerPC Options]:
23365         Add -mstack-protector-guard=, -mstack-protector-guard-reg=, and
23366         -mstack-protector-guard-offset=.
23367         (RS/6000 and PowerPC Options): Ditto.
23368
23369 2017-01-17  Uros Bizjak  <ubizjak@gmail.com>
23370
23371         * config/i386/i386.h (MASK_CLASS_P): New define.
23372         * config/i386/i386.c (inline_secondary_memory_needed): Ensure that
23373         there are no registers from different register sets also when
23374         mask registers are used.  Update function comment.
23375         * config/i386/i386.md (*movsi_internal): Split (*k/*krm) alternative
23376         to (*k/*r) and (*k/*km) alternatives.
23377
23378 2017-01-17  Wilco Dijkstra  <wdijkstr@arm.com>
23379
23380         * config/aarch64/aarch64.md (eh_return): Remove pattern and splitter.
23381         * config/aarch64/aarch64.h (AARCH64_EH_STACKADJ_REGNUM): Remove.
23382         (EH_RETURN_HANDLER_RTX): New define.
23383         * config/aarch64/aarch64.c (aarch64_frame_pointer_required):
23384         Force frame pointer in EH return functions.
23385         (aarch64_expand_epilogue): Add barrier for eh_return.
23386         (aarch64_final_eh_return_addr): Remove.
23387         (aarch64_eh_return_handler_rtx): New function.
23388         * config/aarch64/aarch64-protos.h (aarch64_final_eh_return_addr):
23389         Remove.
23390         (aarch64_eh_return_handler_rtx): New prototype.
23391
23392 2017-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
23393
23394         * config/rs6000/altivec.h (vec_rlmi): New #define.
23395         (vec_vrlnm): Likewise.
23396         (vec_rlnm): Likewise.
23397         * config/rs6000/altivec.md (UNSPEC_VRLMI): New UNSPEC enum value.
23398         (UNSPEC_VRLNM): Likewise.
23399         (VIlong): New mode iterator.
23400         (altivec_vrl<VI_char>mi): New define_insn.
23401         (altivec_vrl<VI_char>nm): Likewise.
23402         * config/rs6000/rs6000-builtin.def (VRLWNM): New monomorphic
23403         function entry.
23404         (VRLDNM): Likewise.
23405         (RLNM): New polymorphic function entry.
23406         (VRLWMI): New monomorphic function entry.
23407         (VRLDMI): Likewise.
23408         (RLMI): New polymorphic function entry.
23409         * config/rs6000/r6000-c.c (altivec_overloaded_builtin_table): Add
23410         new entries for P9V_BUILTIN_VEC_RLMI and P9V_BUILTIN_VEC_RLNM.
23411         * doc/extend.texi: Add description of vec_rlmi, vec_rlnm, and
23412         vec_vrlnm.
23413
23414 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
23415
23416         PR debug/78839
23417         * dwarf2out.c (field_byte_offset): Restore the
23418         PCC_BITFIELD_TYPE_MATTERS behavior for INTEGER_CST DECL_FIELD_OFFSET
23419         and DECL_FIELD_BIT_OFFSET.  Use fold_build2 instead of build2 + fold.
23420         (analyze_variants_discr, gen_variant_part): Use fold_build2 instead
23421         of build2 + fold.
23422
23423 2017-01-17  Eric Botcazou  <ebotcazou@adacore.com>
23424
23425         PR ada/67205
23426         * config/aarch64/aarch64.c (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Define
23427
23428 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
23429
23430         PR debug/71669
23431         * dwarf2out.c (add_data_member_location_attribute): For constant
23432         offset bitfield emit for -gdwarf-5 DW_AT_data_bit_offset attribute
23433         instead of DW_AT_data_member_location, DW_AT_bit_offset and
23434         DW_AT_byte_size attributes.
23435
23436 2017-01-17  Eric Botcazou  <ebotcazou@adacore.com>
23437
23438         * config/rs6000/rs6000.c (rs6000_emit_move): Also use a TOC reference
23439         after forcing to constant memory when the code model is medium.
23440
23441 2017-01-17  Julia Koval  <julia.koval@intel.com>
23442
23443         PR target/76731
23444         * config/i386/avx512fintrin.h
23445         (_mm512_i32gather_ps): Change __addr type to void const*.
23446         (_mm512_mask_i32gather_ps): Ditto.
23447         (_mm512_i32gather_pd): Ditto.
23448         (_mm512_mask_i32gather_pd): Ditto.
23449         (_mm512_i64gather_ps): Ditto.
23450         (_mm512_mask_i64gather_ps): Ditto.
23451         (_mm512_i64gather_pd): Ditto.
23452         (_mm512_mask_i64gather_pd): Ditto.
23453         (_mm512_i32gather_epi32): Ditto.
23454         (_mm512_mask_i32gather_epi32): Ditto.
23455         (_mm512_i32gather_epi64): Ditto.
23456         (_mm512_mask_i32gather_epi64): Ditto.
23457         (_mm512_i64gather_epi32): Ditto.
23458         (_mm512_mask_i64gather_epi32): Ditto.
23459         (_mm512_i64gather_epi64): Ditto.
23460         (_mm512_mask_i64gather_epi64): Ditto.
23461         (_mm512_i32scatter_ps): Change __addr type to void*.
23462         (_mm512_mask_i32scatter_ps): Ditto.
23463         (_mm512_i32scatter_pd): Ditto.
23464         (_mm512_mask_i32scatter_pd): Ditto.
23465         (_mm512_i64scatter_ps): Ditto.
23466         (_mm512_mask_i64scatter_ps): Ditto.
23467         (_mm512_i64scatter_pd): Ditto.
23468         (_mm512_mask_i64scatter_pd): Ditto.
23469         (_mm512_i32scatter_epi32): Ditto.
23470         (_mm512_mask_i32scatter_epi32): Ditto.
23471         (_mm512_i32scatter_epi64): Ditto.
23472         (_mm512_mask_i32scatter_epi64): Ditto.
23473         (_mm512_i64scatter_epi32): Ditto.
23474         (_mm512_mask_i64scatter_epi32): Ditto.
23475         (_mm512_i64scatter_epi64): Ditto.
23476         (_mm512_mask_i64scatter_epi64): Ditto.
23477         * config/i386/avx512pfintrin.h
23478         (_mm512_mask_prefetch_i32gather_pd): Change __addr type to void const*.
23479         (_mm512_mask_prefetch_i32gather_ps): Ditto.
23480         (_mm512_mask_prefetch_i64gather_pd): Ditto.
23481         (_mm512_mask_prefetch_i64gather_ps): Ditto.
23482         (_mm512_prefetch_i32scatter_pd): Change __addr type to void*.
23483         (_mm512_prefetch_i32scatter_ps): Ditto.
23484         (_mm512_mask_prefetch_i32scatter_pd): Ditto.
23485         (_mm512_mask_prefetch_i32scatter_ps): Ditto.
23486         (_mm512_prefetch_i64scatter_pd): Ditto.
23487         (_mm512_prefetch_i64scatter_ps): Ditto.
23488         (_mm512_mask_prefetch_i64scatter_pd): Ditto.
23489         (_mm512_mask_prefetch_i64scatter_ps): Ditto.
23490         * config/i386/avx512vlintrin.h
23491         (_mm256_mmask_i32gather_ps): Change __addr type to void const*.
23492         (_mm_mmask_i32gather_ps): Ditto.
23493         (_mm256_mmask_i32gather_pd): Ditto.
23494         (_mm_mmask_i32gather_pd): Ditto.
23495         (_mm256_mmask_i64gather_ps): Ditto.
23496         (_mm_mmask_i64gather_ps): Ditto.
23497         (_mm256_mmask_i64gather_pd): Ditto.
23498         (_mm_mmask_i64gather_pd): Ditto.
23499         (_mm256_mmask_i32gather_epi32): Ditto.
23500         (_mm_mmask_i32gather_epi32): Ditto.
23501         (_mm256_mmask_i32gather_epi64): Ditto.
23502         (_mm_mmask_i32gather_epi64): Ditto.
23503         (_mm256_mmask_i64gather_epi32): Ditto.
23504         (_mm_mmask_i64gather_epi32): Ditto.
23505         (_mm256_mmask_i64gather_epi64): Ditto.
23506         (_mm_mmask_i64gather_epi64): Ditto.
23507         (_mm256_i32scatter_ps): Change __addr type to void*.
23508         (_mm256_mask_i32scatter_ps): Ditto.
23509         (_mm_i32scatter_ps): Ditto.
23510         (_mm_mask_i32scatter_ps): Ditto.
23511         (_mm256_i32scatter_pd): Ditto.
23512         (_mm256_mask_i32scatter_pd): Ditto.
23513         (_mm_i32scatter_pd): Ditto.
23514         (_mm_mask_i32scatter_pd): Ditto.
23515         (_mm256_i64scatter_ps): Ditto.
23516         (_mm256_mask_i64scatter_ps): Ditto.
23517         (_mm_i64scatter_ps): Ditto.
23518         (_mm_mask_i64scatter_ps): Ditto.
23519         (_mm256_i64scatter_pd): Ditto.
23520         (_mm256_mask_i64scatter_pd): Ditto.
23521         (_mm_i64scatter_pd): Ditto.
23522         (_mm_mask_i64scatter_pd): Ditto.
23523         (_mm256_i32scatter_epi32): Ditto.
23524         (_mm256_mask_i32scatter_epi32): Ditto.
23525         (_mm_i32scatter_epi32): Ditto.
23526         (_mm_mask_i32scatter_epi32): Ditto.
23527         (_mm256_i32scatter_epi64): Ditto.
23528         (_mm256_mask_i32scatter_epi64): Ditto.
23529         (_mm_i32scatter_epi64): Ditto.
23530         (_mm_mask_i32scatter_epi64): Ditto.
23531         (_mm256_i64scatter_epi32): Ditto.
23532         (_mm256_mask_i64scatter_epi32): Ditto.
23533         (_mm_i64scatter_epi32): Ditto.
23534         (_mm_mask_i64scatter_epi32): Ditto.
23535         (_mm256_i64scatter_epi64): Ditto.
23536         (_mm256_mask_i64scatter_epi64): Ditto.
23537         (_mm_i64scatter_epi64): Ditto.
23538         (_mm_mask_i64scatter_epi64): Ditto.
23539         * config/i386/i386-builtin-types.def (V16SF_V16SF_PCFLOAT_V16SI_HI_INT)
23540         (V8DF_V8DF_PCDOUBLE_V8SI_QI_INT, V8SF_V8SF_PCFLOAT_V8DI_QI_INT)
23541         (V8DF_V8DF_PCDOUBLE_V8DI_QI_INT, V16SI_V16SI_PCINT_V16SI_HI_INT)
23542         (V8DI_V8DI_PCINT64_V8SI_QI_INT, V8SI_V8SI_PCINT_V8DI_QI_INT)
23543         (V8DI_V8DI_PCINT64_V8DI_QI_INT, V2DF_V2DF_PCDOUBLE_V4SI_QI_INT)
23544         (V4DF_V4DF_PCDOUBLE_V4SI_QI_INT, V2DF_V2DF_PCDOUBLE_V2DI_QI_INT)
23545         (V4DF_V4DF_PCDOUBLE_V4DI_QI_INT, V4SF_V4SF_PCFLOAT_V4SI_QI_INT)
23546         (V8SF_V8SF_PCFLOAT_V8SI_QI_INT, V4SF_V4SF_PCFLOAT_V2DI_QI_INT)
23547         (V4SF_V4SF_PCFLOAT_V4DI_QI_INT, V2DI_V2DI_PCINT64_V4SI_QI_INT)
23548         (V4DI_V4DI_PCINT64_V4SI_QI_INT, V2DI_V2DI_PCINT64_V2DI_QI_INT)
23549         (V4DI_V4DI_PCINT64_V4DI_QI_INT, V4SI_V4SI_PCINT_V4SI_QI_INT)
23550         (V8SI_V8SI_PCINT_V8SI_QI_INT, V4SI_V4SI_PCINT_V2DI_QI_INT)
23551         (V4SI_V4SI_PCINT_V4DI_QI_INT, VOID_PFLOAT_HI_V16SI_V16SF_INT)
23552         (VOID_PFLOAT_QI_V8SI_V8SF_INT, VOID_PFLOAT_QI_V4SI_V4SF_INT)
23553         (VOID_PDOUBLE_QI_V8SI_V8DF_INT, VOID_PDOUBLE_QI_V4SI_V4DF_INT)
23554         (VOID_PDOUBLE_QI_V4SI_V2DF_INT, VOID_PFLOAT_QI_V8DI_V8SF_INT)
23555         (VOID_PFLOAT_QI_V4DI_V4SF_INT, VOID_PFLOAT_QI_V2DI_V4SF_INT)
23556         (VOID_PDOUBLE_QI_V8DI_V8DF_INT, VOID_PDOUBLE_QI_V4DI_V4DF_INT)
23557         (VOID_PDOUBLE_QI_V2DI_V2DF_INT, VOID_PINT_HI_V16SI_V16SI_INT)
23558         (VOID_PINT_QI_V8SI_V8SI_INT, VOID_PINT_QI_V4SI_V4SI_INT)
23559         (VOID_PLONGLONG_QI_V8SI_V8DI_INT, VOID_PLONGLONG_QI_V4SI_V4DI_INT)
23560         (VOID_PLONGLONG_QI_V4SI_V2DI_INT, VOID_PINT_QI_V8DI_V8SI_INT)
23561         (VOID_PINT_QI_V4DI_V4SI_INT, VOID_PINT_QI_V2DI_V4SI_INT)
23562         (VOID_PLONGLONG_QI_V8DI_V8DI_INT, VOID_QI_V8SI_PCINT64_INT_INT)
23563         (VOID_PLONGLONG_QI_V4DI_V4DI_INT, VOID_PLONGLONG_QI_V2DI_V2DI_INT)
23564         (VOID_HI_V16SI_PCINT_INT_INT, VOID_QI_V8DI_PCINT64_INT_INT)
23565         (VOID_QI_V8DI_PCINT_INT_INT): Remove.
23566         (V16SF_V16SF_PCVOID_V16SI_HI_INT,  V8DF_V8DF_PCVOID_V8SI_QI_INT)
23567         (V8SF_V8SF_PCVOID_V8DI_QI_INT, V8DF_V8DF_PCVOID_V8DI_QI_INT)
23568         (V16SI_V16SI_PCVOID_V16SI_HI_INT, V8DI_V8DI_PCVOID_V8SI_QI_INT)
23569         (V8SI_V8SI_PCVOID_V8DI_QI_INT, V8DI_V8DI_PCVOID_V8DI_QI_INT)
23570         (VOID_PVOID_HI_V16SI_V16SF_INT, VOID_PVOID_QI_V8SI_V8DF_INT)
23571         (VOID_PVOID_QI_V8DI_V8SF_INT, VOID_PVOID_QI_V8DI_V8DF_INT)
23572         (VOID_PVOID_HI_V16SI_V16SI_INT, VOID_PVOID_QI_V8SI_V8DI_INT)
23573         (VOID_PVOID_QI_V8DI_V8SI_INT, VOID_PVOID_QI_V8DI_V8DI_INT)
23574         (V2DF_V2DF_PCVOID_V4SI_QI_INT, V4DF_V4DF_PCVOID_V4SI_QI_INT)
23575         (V2DF_V2DF_PCVOID_V2DI_QI_INT, V4DF_V4DF_PCVOID_V4DI_QI_INT
23576         (V4SF_V4SF_PCVOID_V4SI_QI_INT, V8SF_V8SF_PCVOID_V8SI_QI_INT)
23577         (V4SF_V4SF_PCVOID_V2DI_QI_INT, V4SF_V4SF_PCVOID_V4DI_QI_INT)
23578         (V2DI_V2DI_PCVOID_V4SI_QI_INT, V4DI_V4DI_PCVOID_V4SI_QI_INT)
23579         (V2DI_V2DI_PCVOID_V2DI_QI_INT, V4DI_V4DI_PCVOID_V4DI_QI_INT)
23580         (V4SI_V4SI_PCVOID_V4SI_QI_INT, V8SI_V8SI_PCVOID_V8SI_QI_INT)
23581         (V4SI_V4SI_PCVOID_V2DI_QI_INT, V4SI_V4SI_PCVOID_V4DI_QI_INT)
23582         (VOID_PVOID_QI_V8SI_V8SF_INT, VOID_PVOID_QI_V4SI_V4SF_INT)
23583         (VOID_PVOID_QI_V4SI_V4DF_INT, VOID_PVOID_QI_V4SI_V2DF_INT)
23584         (VOID_PVOID_QI_V4DI_V4SF_INT, VOID_PVOID_QI_V2DI_V4SF_INT)
23585         (VOID_PVOID_QI_V4DI_V4DF_INT, VOID_PVOID_QI_V2DI_V2DF_INT)
23586         (VOID_PVOID_QI_V8SI_V8SI_INT, VOID_PVOID_QI_V4SI_V4SI_INT)
23587         (VOID_PVOID_QI_V4SI_V4DI_INT, VOID_PVOID_QI_V4SI_V2DI_INT)
23588         (VOID_PVOID_QI_V4DI_V4SI_INT, VOID_PVOID_QI_V2DI_V4SI_INT)
23589         (VOID_PVOID_QI_V4DI_V4DI_INT, VOID_PVOID_QI_V2DI_V2DI_INT)
23590         (VOID_QI_V8SI_PCVOID_INT_INT, VOID_HI_V16SI_PCVOID_INT_INT)
23591         (VOID_QI_V8DI_PCVOID_INT_INT): Add.
23592         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Adjust builtin
23593         definitions accordingly.
23594
23595 2017-01-17  Kito Cheng  <kito.cheng@gmail.com>
23596             Kuan-Lin Chen  <kuanlinchentw@gmail.com>
23597
23598         PR target/79079
23599         * internal-fn.c (expand_mul_overflow): Use convert_modes instead of
23600         gen_lowpart.
23601
23602 2017-01-17  Vladimir Makarov  <vmakarov@redhat.com>
23603
23604         PR target/79058
23605         * ira-conflicts.c (ira_build_conflicts): Update total conflict
23606         hard regs for inner regno.
23607
23608 2017-01-17  Martin Liska  <mliska@suse.cz>
23609
23610         PR ipa/71207
23611         * ipa-polymorphic-call.c (contains_type_p): Fix wrong
23612         assumption and add comment.
23613
23614 2017-01-17  Nathan Sidwell  <nathan@acm.org>
23615
23616         * ipa-visibility.c (localize_node): New function, broken out of ...
23617         (function_and_variable_visibility): ... here. Call it.
23618
23619 2017-01-17  Jan Hubicka  <hubicka@ucw.cz>
23620
23621         PR middle-end/77445
23622         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges):
23623         correctly set frequency of oudgoing edge.
23624         (duplicate_thread_path): Fix profile updating.
23625
23626 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
23627
23628         PR other/79046
23629         * configure.ac: Add GCC_BASE_VER.
23630         * Makefile.in (version): Use @get_gcc_base_ver@ instead of cat to get
23631         version from BASE-VER file.
23632         (CFLAGS-gcc.o): Add -DBASEVER=$(BASEVER_s).
23633         (gcc.o): Depend on $(BASEVER).
23634         * common.opt (dumpfullversion): New option.
23635         * gcc.c (driver_handle_option): Handle OPT_dumpfullversion.
23636         * doc/invoke.texi: Document -dumpfullversion.
23637         * doc/install.texi: Document --with-gcc-major-version-only.
23638         * configure: Regenerated.
23639
23640 2017-01-17  Richard Biener  <rguenther@suse.de>
23641
23642         PR tree-optimization/71433
23643         * tree-vrp.c (register_new_assert_for): Merge same asserts
23644         on all incoming edges.
23645         (process_assert_insertions_for): Handle insertions at the
23646         beginning of BBs.
23647
23648 2017-01-17  Gerald Pfeifer  <gerald@pfeifer.com>
23649
23650         * config/i386/cygwin.h (LIBGCJ_SONAME): Remove.
23651         * config/i386/mingw32.h (LIBGCJ_SONAME): Remove.
23652
23653 2017-01-17  Kaz Kojima  <kkojima@gcc.gnu.org>
23654
23655         PR target/78633
23656         * config/sh/sh.md (cmpeqsi_t+1): Call copy_rtx to avoid invalid
23657         RTL sharing.
23658
23659 2017-01-17  Alan Modra  <amodra@gmail.com>
23660
23661         PR target/79066
23662         * config/rs6000/rs6000.md (elf_high, elf_low): Disable when pic.
23663         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Don't allow
23664         symbolic stack limit when pic.
23665
23666 2017-01-16  Martin Sebor  <msebor@redhat.com>
23667
23668         PR tree-optimization/78608
23669         * gimple-ssa-sprintf.c (tree_digits): Avoid negating TYPE_MIN.
23670
23671 2017-01-16  Jeff Law  <law@redhat.com>
23672
23673         Revert:
23674         2016-12-02  Tadek Kijkowski  <tkijkowski@gmail.com>
23675         * Makefile.in (PREPROCESSOR_DEFINES): Add a level of indirection
23676         for several include directories that may be relative to sysroot.
23677         * config/i386/x-mingw32 (gplus_includedir): Define.
23678         (gplus_tool_includedir, gplus_backward_include_dir): Likewise.
23679         (native_system_includedir): Likewise.
23680         * config/i386/mingw32.h (STANDARD_STARTFILE_PREFIX_1): Do not
23681         override if TARGET_SYSTEM_ROOT is defined.
23682         (NATIVE_SYSTEM_HEADER_DIR): Likewise.
23683
23684         PR tree-optimization/79090
23685         PR tree-optimization/33562
23686         PR tree-optimization/61912
23687         PR tree-optimization/77485
23688         * tree-ssa-dse.c (compute_trims): Accept STMT argument.  Dump STMT
23689         and computed trims into the dump file.
23690
23691 2017-01-17  Uros Bizjak  <ubizjak@gmail.com>
23692
23693         * config/i386/i386.h (LIMIT_RELOAD_CLASS): Remove.
23694
23695 2017-01-16  Jakub Jelinek  <jakub@redhat.com>
23696
23697         PR c/79089
23698         * gimplify.c (gimplify_init_constructor): If want_value and
23699         object == lhs, unshare lhs to avoid invalid tree sharing.  Formatting
23700         fix.
23701
23702         PR target/79080
23703         * loop-doloop.c (doloop_modify): Call unshare_all_rtl_in_chain on
23704         sequence.  Formatting fixes.
23705         (doloop_optimize): Formatting fixes.
23706
23707         PR driver/49726
23708         * gcc.c (debug_level_greater_than_spec_func): New function.
23709         (static_spec_functions): Add debug-level-gt spec function.
23710         (ASM_DEBUG_SPEC, cpp_options): Use %:debug-level-gt(0) instead of
23711         !g0.
23712         * config/darwin.h (DSYMUTIL_SPEC, ASM_DEBUG_SPEC): Likewise.
23713         * config/darwin9.h (DSYMUTIL_SPEC, ASM_DEBUG_SPEC): Likewise.
23714         * common.opt (g, gcoff, gdwarf, gdwarf-, ggdb, gno-pubnames,
23715         gpubnames, ggnu-pubnames, gno-record-gcc-switches,
23716         grecord-gcc-switches, gno-strict-dwarf, gstrict-dwarf, gstabs,
23717         gstabs+, gtoggle, gvms, gxcoff, gxcoff+): Add Driver flag.
23718
23719 2017-01-16  Uros Bizjak  <ubizjak@gmail.com>
23720
23721         * config/i386/i386.h (HARD_REGNO_CALLER_SAVE_MODE): Apply HImode and
23722         QImode fixups to general and mask registers only.
23723
23724 2017-01-16  Carl Love  <cel@us.ibm.com>
23725
23726         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Add support
23727         for built-in functions
23728         vector signed char vec_nabs (vector signed char)
23729         vector signed short vec_nabs (vector signed short)
23730         vector signed int vec_nabs (vector signed int)
23731         vector signed long long vec_nabs (vector signed long long)
23732         vector float vec_nabs (vector float)
23733         vector double vec_nabs (vector double)
23734         * config/rs6000/rs6000-builtin.def: Add definitions for NABS functions
23735         and NABS overload.
23736         * config/rs6000/altivec.md: New define_expand nabs<mode>2 types
23737         * config/rs6000/altivec.h: New define for vec_nabs built-in function.
23738         * doc/extend.texi: Update the documentation file for the new built-in
23739         functions.
23740
23741 2017-01-16  Martin Sebor  <msebor@redhat.com>
23742
23743         * gimple-ssa-sprintf.c (format_directive): Correct a typo in a warning
23744         message.
23745
23746 2017-01-16  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
23747
23748         * config/rs6000/rs6000.c (rtx_is_swappable_p): Change
23749         UNSPEC_VSX__XXSPLTD to require special splat handling.
23750
23751 2017-01-16  David Malcolm  <dmalcolm@redhat.com>
23752
23753         PR bootstrap/78616
23754         * system.h: Poison strndup.
23755
23756 2017-01-16  Alan Modra  <amodra@gmail.com>
23757
23758         PR target/79098
23759         * config/rs6000/rs6000.c (rs6000_legitimate_combined_insn): Don't
23760         use a switch.
23761
23762 2017-01-16  Georg-Johann Lay  <avr@gjlay.de>
23763
23764         * config/avr/avr.h (BRANCH_COST) [reload_completed]: Increase by 4.
23765
23766 2017-01-15  Uros Bizjak  <ubizjak@gmail.com>
23767
23768         * config/i386/i386.c (ix86_legitimate_combined_insn): Do not
23769         call recog here.  Assert that INSN_CODE (insn) is non-negative.
23770
23771 2017-01-15  Segher Boessenkool  <segher@kernel.crashing.org>
23772
23773         PR target/72749
23774         * cfgrtl.c (rtl_split_edge): Also patch jump insns that jump to the
23775         fallthrough.
23776         * haifa-sched.c (dump_insn_stream): Don't crash if there is a label
23777         in the currently scheduled RTL fragment.
23778
23779 2017-01-15  Segher Boessenkool  <segher@kernel.crashing.org>
23780
23781         PR rtl-optimization/78751
23782         * ifcvt.c (find_cond_trap): If we generated a non-existing insn,
23783         give up.
23784
23785 2017-01-14  Jeff Law  <law@redhat.com>
23786
23787         PR tree-optimization/79090
23788         * tree-ssa-dse.c (valid_ao_ref_for_dse): Reject zero length and
23789         variable length stores.
23790         (compute_trims): Delete dead assignment to *trim_tail.
23791         (dse_dom_walker::dse_optimize_stmt): Optimize mem* calls with
23792         zero length.
23793
23794 2017-01-14  Bernd Schmidt  <bschmidt@redhat.com>
23795
23796         PR rtl-optimization/78626
23797         PR rtl-optimization/78727
23798         * cprop.c (one_cprop_pass): Collect unconditional traps in the middle
23799         of a block, and split such blocks after everything else is finished.
23800
23801 2017-01-14  Alan Modra  <amodra@gmail.com>
23802
23803         PR target/72749
23804         * combine.c (recog_for_combine_1): Set INSN_CODE before calling
23805         target legitimate_combined_insn.
23806         * config/rs6000/rs6000.c (TARGET_LEGITIMATE_COMBINED_INSN): Define.
23807         (rs6000_legitimate_combined_insn): New function.
23808         * config/rs6000/rs6000.md (UNSPEC_DOLOOP): Delete, and remove
23809         all uses.
23810         (ctr<mode>_internal3): Rename from *ctr<mode>_internal5.
23811         (ctr<mode>_internal4): Rename from *ctr<mode>_internal6.
23812         (ctr<mode>_internal1, ctr<mode>_internal2): Remove '*' from name.
23813
23814 2017-01-14  Gerald Pfeifer  <gerald@pfeifer.com>
23815
23816         * doc/frontends.texi (G++ and GCC): Remove references to Java.
23817
23818 2017-01-13  Jeff Law  <law@redhat.com>
23819
23820         PR tree-optimization/33562
23821         PR tree-optimization/61912
23822         PR tree-optimization/77485
23823         * tree-ssa-dse.c (delete_dead_call): Accept gsi rather than
23824         a statement.
23825         (delete_dead_assignment): Likewise.
23826         (dse_dom_walker::dse_optimize_stmt): Pass in the gsi rather than
23827         statement to delete_dead_call and delete_dead_assignment.
23828
23829 2017-01-13  David Malcolm  <dmalcolm@redhat.com>
23830
23831         PR c/78304
23832         * substring-locations.c (format_warning_va): Strengthen case 1 so
23833         that both endpoints of the substring must be within the format
23834         range for just the substring to be printed.
23835
23836 2017-01-13  Uros Bizjak  <ubizjak@gmail.com>
23837
23838         * config/i386/i386.opt (msgx): Use ix86_isa_flags2 variable.
23839         * config/i386/i386.c (ix86_target_string): Add missing options
23840         to isa_opts and reorder options by implied ISAs.  Rename isa_opts2 to
23841         isa2_opts, ix86_flag_opts to flag2_opts, ix86_target_other to
23842         flags_other and ix86_target_other to flags2_other.  Display unknown
23843         isa2 options.
23844         (ix86_valid_target_attribute_inner_p): Add missing options and
23845         reorder options by implied ISAs, as in ix86_target_string.
23846
23847 2017-01-13  Richard Sandiford  <richard.sandiford@arm.com>
23848
23849         * hash-table.h (hash_table::too_empty_p): New function.
23850         (hash_table::expand): Use it.
23851         (hash_table::traverse): Likewise.
23852         (hash_table::empty_slot): Use sizeof (value_type) instead of
23853         sizeof (PTR) to convert bytes to elements.  Shrink the table
23854         if the current size is excessive for the current number of
23855         elements.
23856
23857 2017-01-13  Richard Sandiford  <richard.sandiford@arm.com>
23858
23859         * ira-costs.c (record_reg_classes): Break from the inner loop
23860         early once alt_fail is known to be true.  Update outer loop
23861         handling accordingly.
23862
23863 2017-01-13  Jeff Law  <law@redhat.com>
23864
23865         * tree-ssa-dse.c (decrement_count): New function.
23866         (increment_start_addr, maybe_trim_memstar_call): Likewise.
23867         (dse_dom_walker::optimize_stmt): Call maybe_trim_memstar_call directly
23868         when we know the partially dead statement is a mem* function.
23869
23870         PR tree-optimization/61912
23871         PR tree-optimization/77485
23872         * tree-ssa-dse.c: Include expr.h.
23873         (maybe_trim_constructor_store): New function.
23874         (maybe_trim_partially_dead_store): Call maybe_trim_constructor_store.
23875
23876         PR tree-optimization/33562
23877         PR tree-optimization/61912
23878         PR tree-optimization/77485
23879         * doc/invoke.texi: Document new dse-max-object-size param.
23880         * params.def (PARM_DSE_MAX_OBJECT_SIZE): New PARAM.
23881         * tree-ssa-dse.c: Include params.h.
23882         (dse_store_status): New enum.
23883         (initialize_ao_ref_for_dse): New, partially extracted from
23884         dse_optimize_stmt.
23885         (valid_ao_ref_for_dse, normalize_ref): New.
23886         (setup_live_bytes_from_ref, compute_trims): Likewise.
23887         (clear_bytes_written_by, maybe_trim_complex_store): Likewise.
23888         (maybe_trim_partially_dead_store): Likewise.
23889         (maybe_trim_complex_store): Likewise.
23890         (dse_classify_store): Renamed from dse_possibly_dead_store_p.
23891         Track what bytes live from the original store.  Return tri-state
23892         for dead, partially dead or live.
23893         (dse_dom_walker): Add constructor, destructor and new private members.
23894         (delete_dead_call, delete_dead_assignment): New extracted from
23895         dse_optimize_stmt.
23896         (dse_optimize_stmt): Make a member of dse_dom_walker.
23897         Use initialize_ao_ref_for_dse.
23898
23899         PR tree-optimization/33562
23900         PR tree-optimization/61912
23901         PR tree-optimization/77485
23902         * sbitmap.h (bitmap_count_bits): Prototype.
23903         (bitmap_clear_range, bitmap_set_range): Likewise.
23904         * sbitmap.c (bitmap_clear_range): New function.
23905         (bitmap_set_range, sbitmap_popcount, bitmap_count_bits): Likewise.
23906
23907 2017-01-13  Martin Liska  <mliska@suse.cz>
23908
23909         PR ipa/79043
23910         * function.c (set_cfun): Add new argument force.
23911         * function.h (set_cfun): Likewise.
23912         * ipa-inline-transform.c (inline_call): Use the function when
23913         strict alising from is dropped for function we inline to.
23914
23915 2017-01-13  Richard Biener  <rguenther@suse.de>
23916
23917         * tree-pretty-print.c (dump_generic_node): Fix inverted condition
23918         for dumping GIMPLE INTEGER_CSTs.
23919
23920 2017-01-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
23921
23922         * config/sol2.h (TARGET_OS_CPP_BUILTINS): Define __STDC_VERSION__
23923         to 201112L since C++17.
23924
23925 2017-01-13  Maxim Ostapenko  <m.ostapenko@samsung.com>
23926
23927         PR sanitizer/78887
23928         * asan.c (asan_needs_odr_indicator_p): Don't emit ODR indicators
23929         if -fsanitize=kernel-address is present.
23930
23931 2017-01-13  Richard Biener  <rguenther@suse.de>
23932
23933         * tree-pretty-print.c (dump_generic_node): Dump INTEGER_CSTs
23934         as _Literal ( type ) number in case usual suffixes do not
23935         preserve all information.
23936
23937 2017-01-13  Richard Biener  <rguenther@suse.de>
23938
23939         PR tree-optimization/77283
23940         * gimple-ssa-split-paths.c: Include gimple-ssa.h, tree-phinodes.h
23941         and ssa-iterators.h.
23942         (is_feasible_trace): Implement a cost model based on joiner
23943         PHI node uses.
23944
23945 2017-01-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
23946
23947         PR target/79004
23948         * config/rs6000/rs6000.md (FP_ISA3): Do not optimize converting
23949         char or short to __float128/_Float128 directly.
23950
23951 2017-01-12  Martin Sebor  <msebor@redhat.com>
23952
23953         to -Wformat-overflow.
23954         * gimple-ssa-sprintf.c (pass_sprintf_length::gate): Adjust.
23955         (min_bytes_remaining): Same.
23956         (get_string_length): Same.
23957         (format_string): Same.
23958         (format_directive): Same.
23959         (add_bytes): Same.
23960         (pass_sprintf_length::handle_gimple_call): Same.
23961
23962 2017-01-12  Jakub Jelinek  <jakub@redhat.com>
23963
23964         * gimple-ssa-sprintf.c (try_substitute_return_value): Remove
23965         info.nowrite calls with no lhs that can't throw.  Return bool
23966         whether gsi_remove has been called or not.
23967         (pass_sprintf_length::handle_gimple_call): Return bool whether
23968         try_substitute_return_value called gsi_remove.  Formatting fix.
23969         (pass_sprintf_length::execute): Don't use gsi_remove if
23970         handle_gimple_call returned true.
23971
23972         PR bootstrap/79069
23973         * cfgrtl.c (rtl_tidy_fallthru_edge): For any_uncondjump_p that can't
23974         be removed due to side-effects, don't remove following barrier nor
23975         turn the successor edge into fallthru edge.
23976
23977 2017-01-12  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
23978
23979         PR target/79044
23980         * config/rs6000/rs6000.c (insn_is_swappable_p): Mark
23981         element-reversing loads and stores as not swappable.
23982
23983 2017-01-12  Nathan Sidwell  <nathan@acm.org>
23984             Nicolai Stange  <nicstange@gmail.com>
23985
23986         * combine.c (try_combine): Don't ignore result of overlap checking
23987         loop.  Combine overlap & asm check into single loop.
23988
23989 2017-01-12  Richard Biener  <rguenther@suse.de>
23990
23991         * tree-pretty-print.c (dump_generic_node): Provide -gimple
23992         variant for MEM_REF.  Sanitize INTEGER_CST for -gimple.
23993
23994 2017-01-12  Richard Biener  <rguenther@suse.de>
23995
23996         * tree.c (initialize_tree_contains_struct): Make TS_OPTIMIZATION
23997         and TS_TARGET_OPTION directly derive from TS_BASE.
23998         * tree-core.h (tree_optimization_option): Derive from tree_base.
23999         (tree_target_option): Likewise.
24000
24001 2017-01-11  Uros Bizjak  <ubizjak@gmail.com>
24002
24003         * config/i386/i386.c (memory_address_length): Increase len
24004         only when rip_relative_addr_p returns false.
24005
24006 2017-01-11  Julia Koval  <julia.koval@intel.com>
24007
24008         * common/config/i386/i386-common.c (OPTION_MASK_ISA_SGX_UNSET): New.
24009         (OPTION_MASK_ISA_SGX_SET): New.
24010         (ix86_handle_option): Handle OPT_msgx.
24011         * config.gcc: Added sgxintrin.h.
24012         * config/i386/driver-i386.c (host_detect_local_cpu): Detect sgx.
24013         * config/i386/i386-c.c (ix86_target_macros_internal): Define __SGX__.
24014         * config/i386/i386.c (ix86_target_string): Add -msgx.
24015         (PTA_SGX): New.
24016         (ix86_option_override_internal): Handle new options.
24017         (ix86_valid_target_attribute_inner_p): Add sgx.
24018         * config/i386/i386.h (TARGET_SGX, TARGET_SGX_P): New.
24019         * config/i386/i386.opt: Add msgx.
24020         * config/i386/sgxintrin.h: New file.
24021         * config/i386/x86intrin.h: Add sgxintrin.h.
24022
24023 2017-01-11  Jakub Jelinek  <jakub@redhat.com>
24024
24025         PR c++/71537
24026         * fold-const.c (maybe_nonzero_address): Return 1 for function
24027         local objects.
24028         (tree_single_nonzero_warnv_p): Don't handle function local objects
24029         here.
24030
24031         PR c++/72813
24032         * gcc.c (default_compilers): Don't add -o %g.s for -S -save-temps
24033         of c-header.
24034
24035 2017-01-11  David Malcolm  <dmalcolm@redhat.com>
24036
24037         PR driver/78877
24038         * opts.c: Include "spellcheck.h"
24039         (struct string_fragment): New struct.
24040         (struct edit_distance_traits<const string_fragment &>): New
24041         struct.
24042         (get_closest_sanitizer_option): New function.
24043         (parse_sanitizer_options): Offer suggestions for unrecognized arguments.
24044
24045 2017-01-11  Jakub Jelinek  <jakub@redhat.com>
24046
24047         * dwarf2out.c (DWARF_COMPILE_UNIT_HEADER_SIZE): For DWARF5 decrease
24048         by 12.
24049         (DWARF_COMDAT_TYPE_UNIT_HEADER_SIZE): Always
24050         DWARF_COMPILE_UNIT_HEADER_SIZE plus 12.
24051         (DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE): Define.
24052         (calc_base_type_die_sizes): Use DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE
24053         for initial die_offset if dwarf_split_debug_info.
24054         (output_comp_unit): Use DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE for
24055         initial next_die_offset if dwo_id is non-NULL.  Don't emit padding
24056         fields.
24057         (output_skeleton_debug_sections): Formatting fix.  Use
24058         DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE instead of
24059         DWARF_COMPILE_UNIT_HEADER_SIZE.  Don't emit padding.
24060
24061 2017-01-11  Wilco Dijkstra  <wdijkstr@arm.com>
24062
24063         * config/arm/cortex-a53.md: Add bypasses for
24064         cortex_a53_r2f_cvt.
24065         (cortex_a53_r2f): Only use for transfers.
24066         (cortex_a53_f2r): Likewise.
24067         (cortex_a53_r2f_cvt): Add reservation for conversions.
24068         (cortex_a53_f2r_cvt): Likewise.
24069
24070 2017-01-11  Tamar Christina  <tamar.christina@arm.com>
24071
24072         * config/arm/arm_neon.h: Add __artificial__ and gnu_inline
24073         to all inlined functions, change static to extern.
24074
24075 2017-01-11  Christophe Lyon  <christophe.lyon@linaro.org>
24076
24077         PR target/78253
24078         * config/arm/arm.c (legitimize_pic_address): Handle reference to
24079         weak symbol.
24080         (arm_assemble_integer): Likewise.
24081
24082 2017-01-11  Richard Earnshaw  <rearnsha@arm.com>
24083
24084         * config.gcc: Use new awk script to check CPU, FPU and architecture
24085         parameters for --with-... options.
24086         * config/arm/parsecpu.awk: New file
24087         * config/arm/arm-cpus.in: New file.
24088         * config/arm/arm-opts.h: Include arm-cpu.h instead of processing .def
24089         files.
24090         * config/arm/arm.c: Include arm-cpu-data.h instead of processing .def
24091         files.
24092         * config/arm/t-arm: Update dependency rules.
24093         * common/config/arm/arm-common.c: Include arm-cpu-cdata.h instead
24094         of processing .def files.
24095         * config/arm/genopt.sh: Deleted.
24096         * config/arm/gentune.sh: Deleted.
24097         * config/arm/arm-cores.def: Deleted.
24098         * config/arm/arm-arches.def: Deleted.
24099         * config/arm/arm-fpus.def: Deleted.
24100         * config/arm/arm-tune.md: Regenerated.
24101         * config/arm/arm-tables.opt: Regenerated.
24102         * config/arm/arm-cpu.h: New generated file.
24103         * config/arm/arm-cpu-data.h: New generated file.
24104         * config/arm/arm-cpu-cdata.h: New generated file.
24105
24106 2017-01-11  Maxim Ostapenko  <m.ostapenko@samsung.com>
24107
24108         PR lto/79042
24109         * lto-cgraph.c (lto_output_varpool_node): Pack dynamically_initialized
24110         bit.
24111         (input_varpool_node): Unpack dynamically_initialized bit.
24112
24113 2017-01-11  Eric Botcazou  <ebotcazou@adacore.com>
24114
24115         PR rtl-optimization/79032
24116         * lra-constraints.c (simplify_operand_subreg): In the MEM case, test
24117         the alignment of the adjusted memory reference against that of MODE,
24118         instead of the alignment of the original memory reference.
24119
24120 2017-01-11  Martin Jambor  <mjambor@suse.cz>
24121
24122         * hsa.c (hsa_callable_function_p): Revert addition of DECL_ARTIFICIAL
24123         test.
24124         * ipa-hsa.c (process_hsa_functions): Only duplicate non-artificial
24125         decorated functions.
24126
24127 2017-01-11  Richard Biener  <rguenther@suse.de>
24128
24129         * tree-vrp.c (evrp_dom_walker::before_dom_children): Also
24130         set range/nonnull info for PHI results.  Do not set it on
24131         stmts marked for removal.
24132
24133 2017-01-10  Eric Botcazou  <ebotcazou@adacore.com>
24134
24135         * expr.c (store_field): In the bitfield case, fetch the return value
24136         from the registers before applying a single big-endian adjustment.
24137         Always do a final load for a BLKmode value not larger than a word.
24138
24139 2017-01-10  David Malcolm  <dmalcolm@redhat.com>
24140
24141         PR c++/77949
24142         * input.c (selftest::test_accessing_ordinary_linemaps): Verify
24143         that we correctly handle column numbers greater than
24144         LINE_MAP_MAX_COLUMN_NUMBER.
24145
24146 2017-01-10  Martin Sebor  <msebor@redhat.com>
24147
24148         PR middle-end/78245
24149         * gimple-ssa-sprintf.c (get_destination_size): Call
24150         {init,fini}object_sizes.
24151         * tree-object-size.c (addr_object_size): Adjust.
24152         (pass_through_call): Adjust.
24153         (pass_object_sizes::execute): Adjust.
24154         * tree-object-size.h (fini_object_sizes): Declare.
24155
24156 2017-01-10  Martin Sebor  <msebor@redhat.com>
24157
24158         PR tree-optimization/78775
24159         * builtins.c (get_size_range): Move...
24160         * calls.c: ...to here.
24161         (alloc_max_size): Accept zero argument.
24162         (operand_signed_p): Remove.
24163         (maybe_warn_alloc_args_overflow): Call get_size_range.
24164         * calls.h (get_size_range): Declare.
24165
24166 2017-01-10  Joe Seymour  <joe.s@somniumtech.com>
24167
24168         * config/msp430/driver-msp430.c (msp430_mcu_data): Sync with data
24169         from TI's devices.csv file as of September 2016.
24170         * config/msp430/msp430.c (msp430_mcu_data): Likewise.
24171
24172 2017-01-10  Sandra Loosemore  <sandra@codesourcery.com>
24173
24174         * doc/extend.texi: Tweak formatting to fix overfull hbox warnings.
24175         * doc/invoke.texi: Likewise.
24176         * doc/md.texi: Likewise.
24177         * doc/objc.texi: Likewise.
24178
24179 2017-01-10  Joshua Conner  <joshconner@google.com>
24180
24181         * config/arm/fuchsia-elf.h: New file.
24182         * config/fuchsia.h: New file.
24183         * config.gcc (*-*-fuchsia*): Set native_system_header_dir.
24184         (aarch64*-*-fuchsia*, arm*-*-fuchsia*, x86_64-*-fuchsia*): Add to
24185         targets.
24186         * config.host: (aarch64*-*-fuchsia*, arm*-*-fuchsia*): Add to hosts.
24187
24188 2016-01-10  Richard Biener  <rguenther@suse.de>
24189
24190         PR tree-optimization/79034
24191         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
24192         Propagate out degenerate PHIs in the joiner.
24193
24194 2017-01-10  Martin Liska  <mliska@suse.cz>
24195
24196         * ipa-icf.c (sort_sem_items_by_decl_uid): New function.
24197         (sort_congruence_classes_by_decl_uid): Likewise.
24198         (sort_congruence_class_groups_by_decl_uid): Likewise.
24199         (sem_item_optimizer::merge_classes): Sort class, groups in these
24200         classes and members in the groups by DECL_UID of declarations.
24201         This would make merge operations stable.
24202
24203 2017-01-10  Martin Liska  <mliska@suse.cz>
24204
24205         * ipa-icf.c (sem_item_optimizer::sem_item_optimizer): Remove
24206         usage of m_classes_vec.
24207         (sem_item_optimizer::~sem_item_optimizer):  Likewise.
24208         (sem_item_optimizer::get_group_by_hash): Likewise.
24209         (sem_item_optimizer::subdivide_classes_by_equality): Likewise.
24210         (sem_item_optimizer::subdivide_classes_by_sensitive_refs): Likewise.
24211         (sem_item_optimizer::verify_classes): Likewise.
24212         (sem_item_optimizer::process_cong_reduction): Likewise.
24213         (sem_item_optimizer::dump_cong_classes): Likewise.
24214         (sem_item_optimizer::merge_classes): Likewise.
24215         * ipa-icf.h (congruence_class_hash): Rename from
24216         congruence_class_group_hash.  Remove declaration of m_classes_vec.
24217
24218 2017-01-10  Andrew Senkevich  <andrew.senkevich@intel.com>
24219
24220         * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512VPOPCNTDQ_SET,
24221         OPTION_MASK_ISA_AVX512VPOPCNTDQ_UNSET): New.
24222         * config.gcc: Add avx512vpopcntdqintrin.h.
24223         * config/i386/avx512vpopcntdqintrin.h: New.
24224         * config/i386/cpuid.h (bit_AVX512VPOPCNTDQ): New.
24225         * config/i386/i386-builtin-types.def: Add new types.
24226         * config/i386/i386-builtin.def (__builtin_ia32_vpopcountd_v16si,
24227         __builtin_ia32_vpopcountd_v16si_mask, __builtin_ia32_vpopcountq_v8di,
24228         __builtin_ia32_vpopcountq_v8di_mask): New.
24229         * config/i386/i386-c.c (ix86_target_macros_internal): Define
24230         __AVX512VPOPCNTDQ__.
24231         * config/i386/i386.c (ix86_target_string): Add -mavx512vpopcntdq.
24232         (PTA_AVX512VPOPCNTDQ): Define.
24233         * config/i386/i386.h (TARGET_AVX512VPOPCNTDQ,
24234         TARGET_AVX512VPOPCNTDQ_P): Define.
24235         * config/i386/i386.opt: Add mavx512vpopcntdq.
24236         * config/i386/immintrin.h: Include avx512vpopcntdqintrin.h.
24237         * config/i386/sse.md (define_insn "vpopcount<mode><mask_name>"): New.
24238
24239 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
24240
24241         PR middle-end/77484
24242         * predict.def (PRED_CALL): Set to 67.
24243
24244 2017-01-09  Eric Botcazou  <ebotcazou@adacore.com>
24245
24246         * expr.c (store_field): In the bitfield case, if the value comes from
24247         a function call and is of an aggregate type returned in registers, do
24248         not modify the field mode; extract the value in all cases if the mode
24249         is BLKmode and the size is not larger than a word.
24250
24251 2017-01-09  Dominique d'Humieres  <dominiq@lps.ens.fr>
24252
24253         PR target/71017
24254         * config/i386/cpuid.h: Fix undefined behavior.
24255
24256 2017-01-04  Jeff Law  <law@redhat.com>
24257
24258         PR tree-optimization/79007
24259         PR tree-optimization/67955
24260         * tree-ssa-alias.c (same_addr_size_stores_p): Only need to be
24261         conservative for pt.null when flag_non_call_exceptions is on.
24262
24263 2017-01-09  Jakub Jelinek  <jakub@redhat.com>
24264
24265         PR translation/79019
24266         PR translation/79020
24267         * params.def (PARAM_INLINE_MIN_SPEEDUP,
24268         PARAM_IPA_CP_SINGLE_CALL_PENALTY,
24269         PARAM_USE_AFTER_SCOPE_DIRECT_EMISSION_THRESHOLD): Fix typos
24270         in descriptions.
24271         * config/avr/avr.opt (maccumulate-args): Likewise.
24272         * config/msp430/msp430.opt (mwarn-mcu): Likewise.
24273         * common.opt (freport-bug): Likewise.
24274         * cif-code.def (CIF_FINAL_ERROR): Likewise.
24275         * doc/invoke.texi (ipa-cp-single-call-penalty): Likewise.
24276         * config/s390/s390.c (s390_invalid_binary_op): Fix spelling in
24277         translatable string.
24278         * config/i386/i386.c (function_value_32): Likewise.
24279         * config/nios2/nios2.c (nios2_valid_target_attribute_rec): Likewise.
24280         * config/msp430/msp430.c (msp430_option_override, msp430_attr):
24281         Likewise.
24282         * config/msp430/driver-msp430.c (msp430_select_hwmult_lib): Likewise.
24283         * common/config/msp430/msp430-common.c (msp430_handle_option):
24284         Likewise.
24285         * symtab.c (symtab_node::verify_base): Likewise.
24286         * opts.c (set_debug_level): Likewise.
24287         * tree.c (verify_type_variant): Likewise.  Fix typo in comment.
24288         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
24289         missing whitespace to translatable strings.
24290         * config/avr/avr.md (bswapsi2): Fix typo in comment.
24291         * config/sh/superh.h: Likewise.
24292         * config/i386/xopintrin.h: Likewise.
24293         * config/i386/znver1.md: Likewise.
24294         * config/rs6000/rs6000.c (struct rs6000_opt_mask): Likewise.
24295         * ipa-inline-analysis.c (compute_inline_parameters): Likewise.
24296         * double-int.h (struct double_int): Likewise.
24297         * double-int.c (div_and_round_double): Likewise.
24298         * wide-int.cc: Likewise.
24299         * tree-ssa.c (non_rewritable_mem_ref_base): Likewise.
24300         * tree-ssa-sccvn.c (vn_reference_lookup_3): Likewise.
24301         * cfgcleanup.c (crossjumps_occured): Renamed to ...
24302         (crossjumps_occurred): ... this.
24303         (try_crossjump_bb, try_head_merge_bb, try_optimize_cfg, cleanup_cfg):
24304         Adjust all uses.
24305
24306         PR tree-optimization/78899
24307         * tree-if-conv.c (version_loop_for_if_conversion): Instead of
24308         returning bool return struct loop *, NULL for failure and the new
24309         loop on success.
24310         (versionable_outer_loop_p): Don't version outer loop if it has
24311         dont_vectorized bit set.
24312         (tree_if_conversion): When versioning outer loop, ensure
24313         tree_if_conversion is performed also on the inner loop of the
24314         non-vectorizable outer loop copy.
24315         * tree-vectorizer.c (set_uid_loop_bbs): Formatting fix.  Fold
24316         LOOP_VECTORIZED in inner loop of the scalar outer loop and
24317         prevent vectorization of it.
24318         (vectorize_loops): For outer + inner LOOP_VECTORIZED, ensure
24319         the outer loop vectorization of the non-scalar version is attempted
24320         before vectorization of the inner loop in scalar version.  If
24321         outer LOOP_VECTORIZED guarded loop is not vectorized, prevent
24322         vectorization of its inner loop.
24323         * tree-vect-loop-manip.c (rename_variables_in_bb): If outer_loop
24324         has 2 inner loops, rename also on edges from bb whose single pred
24325         is outer_loop->header.  Fix typo in function comment.
24326
24327 2017-01-09  Martin Sebor  <msebor@redhat.com>
24328
24329         PR bootstrap/79033
24330         * asan.c (asan_emit_stack_protection): Increase local buffer size
24331         to avoid snprintf truncation warning.
24332
24333 2017-01-09  Andrew Pinski  <apinski@cavium.com>
24334
24335         * config/aarch64/aarch64-cores.def: Add thunderx2t99.  Change vulcan
24336         to reference thunderx2t99 for the tuning structure
24337         * config/aarch64/aarch64-cost-tables.h (vulcan_extra_costs):
24338         Rename to ...
24339         (thunderx2t99_extra_costs): This.
24340         * config/aarch64/aarch64-tune.md: Regenerate.
24341         * config/aarch64/aarch64.c (vulcan_addrcost_table): Rename to ...
24342         (vulcan_addrcost_table): This.
24343         (vulcan_regmove_cost): Rename to ...
24344         (thunderx2t99_regmove_cost): This.
24345         (vulcan_vector_cost): Rename to ...
24346         (thunderx2t99_vector_cost): this.
24347         (vulcan_branch_cost): Rename to ...
24348         (thunderx2t99_branch_cost): This.
24349         (vulcan_tunings): Rename to ...
24350         (thunderx2t99_tunings): This and s/vulcan/thunderx2t99 .
24351         * doc/invoke.texi (AARCH64/mtune): Add thunderx2t99.
24352
24353 2017-01-09  Martin Jambor  <mjambor@suse.cz>
24354
24355         PR ipa/78365
24356         PR ipa/78599
24357         * ipa-prop.h (ipa_jump_func): Swap positions of vr_known and m_vr.
24358         * ipa-cp.c (ipa_vr_operation_and_type_effects): New function.
24359         (propagate_vr_accross_jump_function): Use the above function for all
24360         value range computations for pass-through jump functions and type
24361         converasion from explicit value range values.
24362         (ipcp_propagate_stage): Do not attempt to deduce types of formal
24363         parameters from TYPE_ARG_TYPES.
24364         * ipa-prop.c (ipa_write_jump_function): Remove trailing whitespace.
24365         (ipa_write_node_info): Stream type of the actual argument.
24366         (ipa_read_node_info): Likewise. Also remove trailing whitespace.
24367
24368 2017-01-09  Martin Liska  <mliska@suse.cz>
24369
24370         PR pch/78970
24371         * gcc.c (driver_handle_option): Handle OPT_E and set have_E.
24372         (lookup_compiler): Do not show error message with have_E.
24373
24374 2017-01-09  Jakub Jelinek  <jakub@redhat.com>
24375
24376         PR tree-optimization/78938
24377         * tree-vect-stmts.c (vectorizable_condition): For non-masked COND_EXPR
24378         where comp_vectype is VECTOR_BOOLEAN_TYPE_P, use
24379         BIT_{NOT,XOR,AND,IOR}_EXPR on the comparison operands instead of
24380         {EQ,NE,GE,GT,LE,LT}_EXPR directly inside of VEC_COND_EXPR.  Formatting
24381         fixes.
24382
24383 2017-01-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
24384
24385         * tree-ssa-address.c (gen_addr_rtx): Don't handle index if it
24386         is const0_rtx.
24387
24388 2017-01-09  Richard Biener  <rguenther@suse.de>
24389
24390         PR tree-optimization/78997
24391         * tree-vect-slp.c (vect_mask_constant_operand_p): Handle SSA
24392         name condition properly.
24393
24394 2017-01-09  Richard Biener  <rguenther@suse.de>
24395
24396         PR debug/79000
24397         * dwarf2out.c (is_cxx): New overload with context.
24398         (is_naming_typedef_decl): Use it.
24399
24400 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
24401
24402         * invoke.texi (Option Summary): Correct spacing in option lists
24403         and add line breaks to fix over-long lines.
24404
24405 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
24406
24407         PR middle-end/17660
24408
24409         * extend.texi (Common Variable Attributes): Add xref to GCC
24410         Internals manual to explain mode attribute keywords.
24411
24412 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
24413
24414         PR other/16519
24415         * doc/invoke.texi (Option Summary): Move -pthread to Linker Options
24416         and Preprocessor Options.
24417         (Options for Linking): Document -pthread here....
24418         (RS/6000 and PowerPC Options): ...not here.
24419         (Solaris 2 Options): ...or here.
24420         * doc/cppopts.texi: Document -pthread.
24421
24422 2017-01-08  Martin Sebor  <msebor@redhat.com>
24423
24424         PR middle-end/77708
24425         * doc/invoke.texi (Warning Options): Document -Wformat-truncation.
24426         * gimple-ssa-sprintf.c (call_info::reval_used, call_info::warnopt):
24427         New member functions.
24428         (format_directive): Used them.
24429         (add_bytes): Same.
24430         (pass_sprintf_length::handle_gimple_call): Same.
24431         * graphite-sese-to-poly.c (tree_int_to_gmp): Increase buffer size
24432         to avoid truncation for any argument.
24433         (extract_affine_mul): Same.
24434         * tree.c (get_file_function_name): Same.
24435
24436 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
24437
24438         PR middle-end/77484
24439         * predict.def (PRED_INDIR_CALL): Set to 86.
24440
24441 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
24442
24443         PR preprocessor/54124
24444         * doc/cppopts.texi: Reformat -d subtable to list the full name
24445         of the options.  Add cross-reference to the docs for the general
24446         compiler -d options.
24447         * doc/invoke.texi (Developer Options): Add cross-reference to the
24448         preprocessor-specific -d option documentation.
24449
24450 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
24451
24452         PR preprocessor/13498
24453         * doc/cpp.texi (Search Path): Rewrite to remove obsolete and
24454         redudant material, and reflect new command-line options.
24455         (System Headers): Likewise.
24456
24457 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
24458
24459         * doc/cppdiropts.texi: Merge documentation of -I, -iquote,
24460         -isystem, and -idirafter.  Copy-edit.
24461         * doc/cppopts.texi: Copy-edit.  Remove contradiction about
24462         default for -ftrack-macro-expansion.  Delete obsolete and
24463         badly-formatted implementation details about -fdebug-cpp output.
24464         * doc/cppwarnopts.texi: Copy-edit.
24465
24466 2017-01-07  David Malcolm  <dmalcolm@redhat.com>
24467
24468         PR c++/72803
24469         * input.c (selftest::test_accessing_ordinary_linemaps): Verify
24470         that the transition from a max line width >= 1<<10 to narrower
24471         lines works correctly.
24472
24473 2017-01-07  Alexandre Oliva <aoliva@redhat.com>
24474
24475         * doc/options.texi (PerFunction): New.
24476         * opt-functions.awk (switch_flags): Map both Optimization and
24477         PerFunction to CL_OPTIMIZATION.
24478         * opth-gen.awk: Test for PerFunction flag along with
24479         Optimization.
24480         * optc-save-gen.awk: Likewise.  Introduce var_opt_hash and set
24481         it only when the latter is present.  Skip those that don't in
24482         the hash function generator.
24483         * common.opt (fvar-tracking): Mark as PerFunction instead of
24484         Optimization.
24485         (fvar-tracking-assignments): Likewise.
24486         (fvar-tracking-assignments-toggle): Likewise.
24487         (fvar-tracking-uninit): Likewise.
24488
24489 2017-01-07  Jakub Jelinek  <jakub@redhat.com>
24490
24491         PR translation/79018
24492         * params.def (PARAM_MAX_STORES_TO_MERGE): Add missing space between
24493         the and store.
24494
24495 2017-01-06  Mikael Pettersson  <mikpelinux@gmail.com>
24496
24497         PR target/57583
24498         * config/m68k/m68k.opt (LONG_JUMP_TABLE_OFFSETS): New option.
24499         * config/m68k/linux.h (ASM_RETURN_CASE_JUMP): Handle
24500         TARGET_LONG_JUMP_TABLE_OFFSETS.
24501         * config/m68k/m68kelf.h (ASM_RETURN_CASE_JUMP): Likewise.
24502         * config/m68k/netbsd-elf.h (ASM_RETURN_CASE_JUMP): Likewise.
24503         * config/m68k/m68k.h (CASE_VECTOR_MODE): Likewise.
24504         (ASM_OUTPUT_ADDR_DIFF_ELF): Likewise.
24505         * config/m68k/m68k.md (tablejump expander): Likewise.
24506         (*tablejump_pcrel_hi): Renamed from unnamed insn, reject
24507         TARGET_LONG_JUMP_TABLE_OFFSETS.
24508         (*tablejump_pcrel_si): New insn, handle TARGET_LONG_JUMP_TABLE_OFFSETS.
24509         * doc/invoke.texi (M68K options): Add -mlong-jump-table-offsets.
24510
24511 2017-01-06  Edgar E. Iglesias <edgar.iglesias@xilinx.com>
24512             David Holsgrove <david.holsgrove@xilinx.com>
24513
24514         * common/config/microblaze/microblaze-common.c
24515         (TARGET_EXCEPT_UNWIND_INFO): Remove.
24516         * config/microblaze/microblaze-protos.h (microblaze_eh_return):
24517         New prototype.
24518         * config/microblaze/microblaze.c (microblaze_must_save_register)
24519         (microblaze_expand_epilogue, microblaze_return_addr): Handle
24520         calls_eh_return.
24521         (microblaze_eh_return): New function.
24522         * config/microblaze/microblaze.h (RETURN_ADDR_OFFSET)
24523         (EH_RETURN_DATA_REGNO, MB_EH_STACKADJ_REGNUM)
24524         (EH_RETURN_STACKADJ_RTX, ASM_PREFERRED_EH_DATA_FORMAT): New macros.
24525         * config/microblaze/microblaze.md (eh_return): New pattern.
24526
24527 2017-01-06  Jakub Jelinek  <jakub@redhat.com>
24528
24529         * system.h (GCC_DIAGNOSTIC_PUSH_IGNORED, GCC_DIAGNOSTIC_POP,
24530         GCC_DIAGNOSTIC_STRINGIFY): Define.
24531
24532         * read-rtl.c (rtx_reader::read_rtx_code): Avoid -Wsign-compare warning.
24533
24534 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
24535
24536         * config/arm/arm.md (<mcrr>): New.
24537         (<mrrc>): New.
24538         * config/arm/arm.c (arm_arch5te): New.
24539         (arm_option_override): Set arm_arch5te.
24540         (arm_coproc_builtin_available): Add support for mcrr, mcrr2, mrrc
24541         and mrrc2.
24542         * config/arm/arm-builtins.c (MCRR_QUALIFIERS): Define to...
24543         (arm_mcrr_qualifiers): ... this. New.
24544         (MRRC_QUALIFIERS): Define to...
24545         (arm_mrrc_qualifiers): ... this. New.
24546         * config/arm/arm_acle.h (__arm_mcrr, __arm_mcrr2, __arm_mrrc,
24547         __arm_mrrc2): New.
24548         * config/arm/arm_acle_builtins.def (mcrr, mcrr2, mrrc, mrrc2): New.
24549         * config/arm/iterators.md (MCRRI, mcrr, MCRR): New.
24550         (MRRCI, mrrc, MRRC): New.
24551         * config/arm/unspecs.md (VUNSPEC_MCRR, VUNSPEC_MCRR2, VUNSPEC_MRRC,
24552         VUNSPEC_MRRC2): New.
24553
24554 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
24555
24556         * config/arm/arm.md (<mcr>): New.
24557         (<mrc>): New.
24558         * config/arm/arm.c (arm_coproc_builtin_available): Add
24559         support for mcr, mrc, mcr2 and mrc2.
24560         * config/arm/arm-builtins.c (MCR_QUALIFIERS): Define to...
24561         (arm_mcr_qualifiers): ... this. New.
24562         (MRC_QUALIFIERS): Define to ...
24563         (arm_mrc_qualifiers): ... this. New.
24564         (MCR_QUALIFIERS): Define to ...
24565         (arm_mcr_qualifiers): ... this. New.
24566         * config/arm/arm_acle.h (__arm_mcr, __arm_mrc, __arm_mcr2,
24567         __arm_mrc2): New.
24568         * config/arm/arm_acle_builtins.def (mcr, mcr2, mrc, mrc2): New.
24569         * config/arm/iterators.md (MCRI, mcr, MCR, MRCI, mrc, MRC): New.
24570         * config/arm/unspecs.md (VUNSPEC_MCR, VUNSPEC_MCR2, VUNSPEC_MRC,
24571         VUNSPEC_MRC2): New.
24572
24573 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
24574
24575         * config/arm/arm.md (*ldc): New.
24576         (*stc): New.
24577         (<ldc>): New.
24578         (<stc>): New.
24579         * config/arm/arm.c (arm_coproc_builtin_available): Add
24580         support for ldc,ldcl,stc,stcl,ldc2,ldc2l,stc2 and stc2l.
24581         (arm_coproc_ldc_stc_legitimate_address): New.
24582         * config/arm/arm-builtins.c (arm_type_qualifiers): Add
24583         'qualifier_const_pointer'.
24584         (LDC_QUALIFIERS): Define to...
24585         (arm_ldc_qualifiers): ... this. New.
24586         (STC_QUALIFIERS): Define to...
24587         (arm_stc_qualifiers): ... this. New.
24588         * config/arm/arm-protos.h
24589         (arm_coproc_ldc_stc_legitimate_address): New.
24590         * config/arm/arm_acle.h (__arm_ldc, __arm_ldcl, __arm_stc,
24591         __arm_stcl, __arm_ldc2, __arm_ldc2l, __arm_stc2, __arm_stc2l): New.
24592         * config/arm/arm_acle_builtins.def (ldc, ldc2, ldcl, ldc2l, stc,
24593         stc2, stcl, stc2l): New.
24594         * config/arm/constraints.md (Uz): New.
24595         * config/arm/iterators.md (LDCI, STCI, ldc, stc, LDC STC): New.
24596         * config/arm/unspecs.md (VUNSPEC_LDC, VUNSPEC_LDC2, VUNSPEC_LDCL,
24597         VUNSPEC_LDC2L, VUNSPEC_STC, VUNSPEC_STC2, VUNSPEC_STCL,
24598         VUNSPEC_STC2L): New.
24599
24600 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
24601
24602         * config/arm/arm.md (<cdp>): New.
24603         * config/arm/arm.c (neon_const_bounds): Rename this ...
24604         (arm_const_bounds): ... this.
24605         (arm_coproc_builtin_available): New.
24606         * config/arm/arm-builtins.c (SIMD_MAX_BUILTIN_ARGS): Increase.
24607         (arm_type_qualifiers): Add 'qualifier_unsigned_immediate'.
24608         (CDP_QUALIFIERS): Define to...
24609         (arm_cdp_qualifiers): ... this. New.
24610         (void_UP): Define.
24611         (arm_expand_builtin_args): Add case for 6 arguments.
24612         * config/arm/arm-protos.h (neon_const_bounds): Rename this ...
24613         (arm_const_bounds): ... this.
24614         (arm_coproc_builtin_available): New.
24615         * config/arm/arm_acle.h (__arm_cdp): New.
24616         (__arm_cdp2): New.
24617         * config/arm/arm_acle_builtins.def (cdp): New.
24618         (cdp2): New.
24619         * config/arm/iterators.md (CDPI,CDP,cdp): New.
24620         * config/arm/neon.md: Rename all 'neon_const_bounds' to
24621         'arm_const_bounds'.
24622         * config/arm/types.md (coproc): New.
24623         * config/arm/unspecs.md (VUNSPEC_CDP, VUNSPEC_CDP2): New.
24624         * doc/extend.texi (ACLE): Add a mention of Coprocessor intrinsics.
24625         * doc/sourcebuild.texi (arm_coproc1_ok, arm_coproc2_ok,
24626         arm_coproc3_ok, arm_coproc4_ok): Document new effective targets.
24627
24628 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
24629
24630         * config/arm/arm-builtins.c (arm_unsigned_binop_qualifiers): New.
24631         (UBINOP_QUALIFIERS): New.
24632         (si_UP): Define.
24633         (acle_builtin_data): New. Change comment.
24634         (arm_builtins): Remove ARM_BUILTIN_CRC32B, ARM_BUILTIN_CRC32H,
24635         ARM_BUILTIN_CRC32W, ARM_BUILTIN_CRC32CB, ARM_BUILTIN_CRC32CH,
24636         ARM_BUILTIN_CRC32CW. Add ARM_BUILTIN_ACLE_BASE and include
24637         arm_acle_builtins.def.
24638         (ARM_BUILTIN_ACLE_PATTERN_START): Define.
24639         (arm_init_acle_builtins): New.
24640         (CRC32_BUILTIN): Remove.
24641         (bdesc_2arg): Remove entries for crc32b, crc32h, crc32w,
24642         crc32cb, crc32ch and crc32cw.
24643         (arm_init_crc32_builtins): Remove.
24644         (arm_init_builtins): Use arm_init_acle_builtins rather
24645         than arm_init_crc32_builtins.
24646         (arm_expand_acle_builtin): New.
24647         (arm_expand_builtin): Use 'arm_expand_acle_builtin'.
24648         * config/arm/arm_acle_builtins.def: New.
24649
24650 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
24651
24652         * config/arm/arm-builtins.c (neon_builtin_datum): Rename to ..
24653         (arm_builtin_datum): ... this.
24654         (arm_init_neon_builtin): Rename to ...
24655         (arm_init_builtin): ... this. Add a new parameters PREFIX
24656         and USE_SIG_IN_NAME.
24657         (arm_init_neon_builtins): Replace 'arm_init_neon_builtin' with
24658         'arm_init_builtin'. Replace type 'neon_builtin_datum' with
24659         'arm_builtin_datum'.
24660         (arm_init_vfp_builtins): Likewise.
24661         (builtin_arg): Rename enum's replacing 'NEON_ARG' with
24662         'ARG_BUILTIN' and add a 'ARG_BUILTIN_NEON_MEMORY.
24663         (arm_expand_neon_args): Rename to ...
24664         (arm_expand_builtin_args): ... this. Rename builtin_arg
24665         enum values and differentiate between ARG_BUILTIN_MEMORY
24666         and ARG_BUILTIN_NEON_MEMORY.
24667         (arm_expand_neon_builtin_1): Rename to ...
24668         (arm_expand_builtin_1): ... this. Rename builtin_arg enum
24669         values, arm_expand_builtin_args and add bool parameter NEON.
24670         (arm_expand_neon_builtin): Use arm_expand_builtin_1.
24671         (arm_expand_vfp_builtin): Likewise.
24672         (NEON_MAX_BUILTIN_ARGS): Remove, it was unused.
24673
24674 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
24675
24676         PR middle-end/77484
24677         * predict.def (PRED_POLYMORPHIC_CALL): Set to 59.
24678         * predict.c (tree_estimate_probability_bb): Reverse direction of
24679         polymorphic call predictor.
24680
24681 2017-01-06  David Malcolm  <dmalcolm@redhat.com>
24682
24683         * passes.c (execute_one_pass): Split out pass-skipping logic into...
24684         (determine_pass_name_match): ...this new function and...
24685         (should_skip_pass_p): ...this new function.
24686
24687 2017-01-06  Nathan Sidwell  <nathan@acm.org>
24688
24689         * ipa-visibility.c (function_and_variable_visibility): Reformat
24690         comments and long lines.  Remove extrneous if.
24691         * symtab.c (symtab_node::make_decl_local): Fix code format.
24692         (symtab_node::set_section_for_node): Fix comment typo.
24693
24694 2017-01-06  Martin Liska  <mliska@suse.cz>
24695
24696         PR bootstrap/79003
24697         * lra-constraints.c: Rename invariant to lra_invariant.
24698         * predict.c (set_even_probabilities): Initialize e to NULL.
24699
24700 2017-01-05  Martin Sebor  <msebor@redhat.com>
24701
24702         PR tree-optimization/78910
24703         * gimple-ssa-sprintf.c (tree_digits): Add an argument.
24704         (format_integer): Correct off-by-one error in the handling
24705         of precision with negative numbers in signed conversions..
24706
24707 2017-01-05  Eric Botcazou  <ebotcazou@adacore.com>
24708
24709         * doc/invoke.texi (C Dialect Options): Adjust -fsso-struct entry.
24710
24711 2017-01-05  Jakub Jelinek  <jakub@redhat.com>
24712
24713         PR tree-optimization/71016
24714         * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Pass cond_stmt to
24715         factor_out_conditional_conversion.  Formatting fix.
24716         (factor_out_conditional_conversion): Add cond_stmt argument.
24717         If arg1 is INTEGER_CST, punt if new_arg0 is not any operand of
24718         cond_stmt and if arg0_def_stmt is not the only stmt in its bb.
24719         Formatting fix.
24720
24721 2017-01-05  David Malcolm  <dmalcolm@redhat.com>
24722
24723         * Makefile.in (OBJS): Add read-md.o, read-rtl.o,
24724         read-rtl-function.o, and selftest-rtl.o.
24725         * config/aarch64/aarch64.c: Include selftest.h and selftest-rtl.h.
24726         (selftest::aarch64_test_loading_full_dump): New function.
24727         (selftest::aarch64_run_selftests): New function.
24728         (TARGET_RUN_TARGET_SELFTESTS): Wire it up to
24729         selftest::aarch64_run_selftests.
24730         * config/i386/i386.c
24731         (selftest::ix86_test_loading_dump_fragment_1): New function.
24732         (selftest::ix86_test_loading_call_insn): New function.
24733         (selftest::ix86_test_loading_full_dump): New function.
24734         (selftest::ix86_test_loading_unspec): New function.
24735         (selftest::ix86_run_selftests): Call the new functions.
24736         * emit-rtl.c (maybe_set_max_label_num): New function.
24737         * emit-rtl.h (maybe_set_max_label_num): New decl.
24738         * function.c (instantiate_decls): Guard call to
24739         instantiate_decls_1 with if (DECL_INITIAL (fndecl)).
24740         * function-tests.c (selftest::verify_three_block_rtl_cfg): Remove
24741         "static".
24742         * gensupport.c (gen_reader::gen_reader): Pass "false"
24743         for new "compact" param of rtx_reader.
24744         * print-rtl.c (rtx_writer::print_rtx_operand): Print "(nil)"
24745         rather than an empty string for NULL strings.
24746         * read-md.c: Potentially include config.h rather than bconfig.h.
24747         Wrap include of errors.h with #ifdef GENERATOR_FILE.
24748         (have_error): New global, copied from errors.c.
24749         (md_reader::read_name): Rename to...
24750         (md_reader::read_name_1): ...this, adding "out_loc" param,
24751         and converting "missing name or number" to returning false, rather
24752         than failing.
24753         (md_reader::read_name): Reimplement in terms of read_name_1.
24754         (md_reader::read_name_or_nil): New function.
24755         (md_reader::read_string): Handle "(nil)" by returning NULL.
24756         (md_reader::md_reader): Add new param "compact".
24757         (md_reader::read_md_files): Wrap with #ifdef GENERATOR_FILE.
24758         (md_reader::read_file): New method.
24759         * read-md.h (md_reader::md_reader): Add new param "compact".
24760         (md_reader::read_file): New method.
24761         (md_reader::is_compact): New accessor.
24762         (md_reader::read_name): Convert return type from void to file_location.
24763         (md_reader::read_name_or_nil): New decl.
24764         (md_reader::read_name_1): New decl.
24765         (md_reader::m_compact): New field.
24766         (noop_reader::noop_reader): Pass "false" for new "compact" param
24767         of rtx_reader.
24768         (rtx_reader::rtx_reader): Add new "compact" param.
24769         (rtx_reader::read_rtx_operand): Make virtual and convert return
24770         type from void to rtx.
24771         (rtx_reader::read_until): New decl.
24772         (rtx_reader::handle_any_trailing_information): New virtual function.
24773         (rtx_reader::postprocess): New virtual function.
24774         (rtx_reader::finalize_string): New virtual function.
24775         (rtx_reader::m_in_call_function_usage): New field.
24776         (rtx_reader::m_reuse_rtx_by_id): New field.
24777         * read-rtl-function.c: New file.
24778         * selftest-rtl.c (selftest::assert_rtx_ptr_eq_at): New function.
24779         * selftest-rtl.h (ASSERT_RTX_PTR_EQ): New macro.
24780         (selftest::verify_three_block_rtl_cfg): New decl.
24781         * read-rtl-function.h: New file.
24782         * read-rtl.c: Potentially include config.h rather than bconfig.h.
24783         For host, include function.h, memmodel.h, and emit-rtl.h.
24784         (one_time_initialization): New function.
24785         (struct compact_insn_name): New struct.
24786         (compact_insn_names): New array.
24787         (find_code): Handle insn codes in compact dumps.
24788         (apply_subst_iterator): Wrap with #ifdef GENERATOR_FILE.
24789         (bind_subst_iter_and_attr): Likewise.
24790         (add_condition_to_string): Likewise.
24791         (add_condition_to_rtx): Likewise.
24792         (apply_attribute_uses): Likewise.
24793         (add_current_iterators): Likewise.
24794         (apply_iterators): Likewise.
24795         (initialize_iterators): Guard usage of apply_subst_iterator with
24796         #ifdef GENERATOR_FILE.
24797         (read_conditions): Wrap with #ifdef GENERATOR_FILE.
24798         (md_reader::read_mapping): Likewise.
24799         (add_define_attr_for_define_subst): Likewise.
24800         (add_define_subst_attr): Likewise.
24801         (read_subst_mapping): Likewise.
24802         (check_code_iterator): Likewise.
24803         (rtx_reader::read_rtx): Likewise.  Move one-time initialization
24804         logic to...
24805         (one_time_initialization): New function.
24806         (rtx_reader::read_until): New method.
24807         (read_flags): New function.
24808         (parse_reg_note_name): New function.
24809         (rtx_reader::read_rtx_code): Initialize "iterator" to NULL.
24810         Handle reuse_rtx ids.
24811         Wrap iterator lookup within #ifdef GENERATOR_FILE.
24812         Add parsing support for RTL dumps, mirroring the special-cases in
24813         print_rtx, by calling read_flags, reading REG_NOTE names, INSN_UID
24814         values, and calling handle_any_trailing_information.
24815         (rtx_reader::read_rtx_operand): Convert return type from void
24816         to rtx, returning return_rtx.  Handle case 'e'.  Call
24817         finalize_string on XSTR and XTMPL fields.
24818         (rtx_reader::read_nested_rtx):  Handle dumps in which trailing
24819          "(nil)" values were omitted.  Call the postprocess vfunc on the
24820         return_rtx.
24821         (rtx_reader::rtx_reader): Add new "compact" param and pass to base
24822         class ctor.  Initialize m_in_call_function_usage.  Call
24823         one_time_initialization.
24824         * rtl-tests.c (selftest::test_uncond_jump): Call
24825         set_new_first_and_last_insn.
24826         * rtl.h (read_rtx): Wrap decl with #ifdef GENERATOR_FILE.
24827         * selftest-rtl.c: New file.
24828         * selftest-rtl.h (class selftest::rtl_dump_test): New class.
24829         (selftest::get_insn_by_uid): New decl.
24830         * selftest-run-tests.c (selftest::run_tests): Call
24831         read_rtl_function_c_tests.
24832         * selftest.h  (selftest::read_rtl_function_c_tests): New decl.
24833         * tree-dfa.c (ssa_default_def): Return NULL_TREE for rtl function
24834         dumps.
24835
24836 2017-01-05  Uros Bizjak  <ubizjak@gmail.com>
24837
24838         * config/i386/i386.md (*testqi_ext_3): No need to handle memory
24839         operands in a special way.  Assert that pos+len <= mode precision.
24840
24841 2017-01-05  Jakub Jelinek  <jakub@redhat.com>
24842
24843         * common.opt (fvect-cost-model): Remove RejectNegative flag, use
24844         3 argument Alias with unlimited for the negative form.
24845         (fno-vect-cost-model): Removed.
24846
24847 2017-01-05  Martin Liska  <mliska@suse.cz>
24848
24849         * hsa-gen.c (gen_hsa_divmod): New function.
24850         (gen_hsa_insn_for_internal_fn_call): Use the function for IFN_DIVMOD.
24851
24852 2017-01-05  Martin Liska  <mliska@suse.cz>
24853
24854         PR pch/78970
24855         * gcc.c (lookup_compiler): Reject '-' filename for a precompiled
24856         header.
24857
24858 2017-01-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
24859
24860         * config/s390/s390.c (s390_expand_setmem): Unroll the loop for
24861         small constant length operands.
24862
24863 2017-01-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
24864
24865         * config/s390/s390.c (s390_expand_setmem): Avoid overlapping bytes
24866         between loop iterations.
24867
24868 2017-01-05  Martin Liska  <mliska@suse.cz>
24869
24870         PR sanitizer/78815
24871         * gimplify.c (gimplify_decl_expr): Compare to
24872         asan_poisoned_variables instread of checking flags.
24873         (gimplify_target_expr): Likewise.
24874         (gimplify_expr): Likewise.
24875         (gimplify_function_tree): Conditionally initialize
24876         asan_poisoned_variables.
24877
24878 2017-01-04  Jeff Law  <law@redhat.com>
24879
24880         PR tree-optimizatin/78812
24881         * rtl.h (contains_mem_rtx_p): Prototype.
24882         * ifcvt.c (containts_mem_rtx_p): Move from here to...
24883         * rtlanal.c (contains_mem_rtx_p): Here and remove static linkage.
24884         * gcse.c (prune_expressions): Use contains_mem_rtx_p to discover
24885         and prune MEMs that are not at the toplevel of a SET_SRC rtx.  Look
24886         through ZERO_EXTEND and SIGN_EXTEND when trying to avoid pruning MEMs.
24887
24888 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
24889
24890         * input.c (assert_char_at_range): Default-initialize actual_range.
24891
24892 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
24893
24894         * df-scan.c (df_ref_create_structure): Make regno unsigned,
24895         to match the caller.
24896
24897 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
24898
24899         * cfgexpand.c (expand_gimple_basic_block): Disregard debug
24900         insns after final jump in test to emit dummy move.
24901
24902 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
24903
24904         * gimple-iterator.h (gsi_one_nondebug_before_end_p): New.
24905         * tree-eh.c (cleanup_empty_eh): Skip more debug stmts.
24906
24907 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
24908
24909         * multiple_target.c (create_dispatcher_calls): Init e_next.
24910         * tree-ssa-loop-split.c (split_loop): Init border.
24911         * tree-vect-loop.c (vect_determine_vectorization_factor): Init
24912         scalar_type.
24913
24914 2017-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
24915
24916         PR target/71977
24917         PR target/70568
24918         PR target/78823
24919         * config/rs6000/predicates.md (sf_subreg_operand): New predicate.
24920         (altivec_register_operand): Do not return true if the operand
24921         contains a SUBREG mixing SImode and SFmode.
24922         (vsx_register_operand): Likewise.
24923         (vsx_reg_sfsubreg_ok): New predicate.
24924         (vfloat_operand): Do not return true if the operand contains a
24925         SUBREG mixing SImode and SFmode.
24926         (vint_operand): Likewise.
24927         (vlogical_operand): Likewise.
24928         (gpc_reg_operand): Likewise.
24929         (int_reg_operand): Likewise.
24930         * config/rs6000/rs6000-protos.h (valid_sf_si_move): Add declaration.
24931         * config/rs6000/rs6000.c (valid_sf_si_move): New function to
24932         determine if a MOVSI or MOVSF operation contains SUBREGs that mix
24933         SImode and SFmode.
24934         (rs6000_emit_move_si_sf_subreg): New helper function.
24935         (rs6000_emit_move): Call rs6000_emit_move_si_sf_subreg to possbily
24936         fixup SUBREGs involving SImode and SFmode.
24937         * config/rs6000/vsx.md (SFBOOL_*): New constants that are operand
24938         numbers for the new peephole2 optimization.
24939         (peephole2 for SFmode unions): New peephole2 to optimize cases in
24940         the GLIBC math library that do AND/IOR/XOR operations on single
24941         precision floating point.
24942         * config/rs6000/rs6000.h (TARGET_NO_SF_SUBREG): New internal
24943         target macros to say whether we need to avoid SUBREGs mixing
24944         SImode and SFmode.
24945         (TARGET_ALLOW_SF_SUBREG): Likewise.
24946         * config/rs6000/rs6000.md (UNSPEC_SF_FROM_SI): New unspecs.
24947         (UNSPEC_SI_FROM_SF): Likewise.
24948         (iorxor): Change spacing.
24949         (and_ior_xor): New iterator for AND, IOR, and XOR.
24950         (movsi_from_sf): New insns for SImode/SFmode SUBREG support.
24951         (movdi_from_sf_zero_ext): Likewise.
24952         (mov<mode>_hardfloat, FMOVE32 iterator): Use register_operand
24953         instead of gpc_reg_operand.  Add SImode/SFmode SUBREG support.
24954         (movsf_from_si): New insn for SImode/SFmode SUBREG support.
24955         (fma<mode>4): Use gpc_reg_operand instead of register_operand.
24956         (fms<mode>4): Likewise.
24957         (fnma<mode>4): Likewise.
24958         (fnms<mode>4): Likewise.
24959         (nfma<mode>4): Likewise.
24960         (nfms<mode>4): Likewise.
24961
24962 2017-01-04  Marek Polacek  <polacek@redhat.com>
24963
24964         PR c++/64767
24965         * doc/invoke.texi: Document -Wpointer-compare.
24966
24967 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
24968
24969         * optc-gen.awk: Emit #error for -W*/-f*/-m* Enum without
24970         RejectNegative.
24971
24972         * dwarf2out.c (output_loc_list): Don't throw away 64K+ location
24973         descriptions for -gdwarf-5 and emit them as uleb128 instead of
24974         2-byte data.
24975
24976 2017-01-04  Kelvin Nilsen  <kelvin@gcc.gnu.org>
24977
24978         PR target/78056
24979         * doc/sourcebuild.texi (PowerPC-specific attributes): Add
24980         documentation of the powerpc_popcntb_ok attribute.
24981         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
24982         code to issue warning messages if a requested CPU configuration is
24983         not supported by the binary (assembler and loader) toolchain.
24984         (spe_init_builtins): Add two assertions to prevent ICE if attempt is
24985         made to define a built-in function that has been disabled.
24986         (paired_init_builtins): Add assertion to prevent ICE if attempt is
24987         made to define a built-in function that has been disabled.
24988         (altivec_init_builtins): Add comment explaining why definition
24989         of the DST built-in functions is not preceded by an assertion
24990         check.  Add assertions to prevent ICE if attempts are made to
24991         define an altivec predicate or an abs* built-in function that has
24992         been disabled.
24993         (htm_init_builtins): Add comment explaining why definition of the
24994         htm built-in functions is not preceded by an assertion check.
24995
24996 2017-01-04  Jeff Law  <law@redhat.com>
24997
24998         PR tree-optimizatin/67955
24999         * tree-ssa-alias.c (same_addr_size_stores_p): Check offsets first.
25000         Allow any SSA_VAR_P as the base objects.  Use integer_zerop.  Verify
25001         the points-to solution does not include pt_null.  Use DECL_PT_UID
25002         unconditionally.
25003
25004 2017-01-04  Uros Bizjak  <ubizjak@gmail.com>
25005
25006         * config/i386/i386.md (HI/SImode test with imm to QImode splitters):
25007         Use gen_int_mode instead of gen_lopwart for const_int operands.
25008
25009 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
25010
25011         PR tree-optimization/71563
25012         * match.pd: Simplify X << Y into X if Y is known to be 0 or
25013         out of range value - has low bits known to be zero.
25014
25015 2017-01-04  Alan Modra  <amodra@gmail.com>
25016
25017         * Makefile.in (aclocal_deps): Update and order as per aclocal.m4.
25018         * configure: Regenerate.
25019         * config.in: Regenerate.
25020
25021 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
25022
25023         PR bootstrap/77569
25024         * input.c (ebcdic_execution_charset::on_error): Don't use strstr for
25025         a substring of the message, but strcmp with the whole message.  Ifdef
25026         ENABLE_NLS, translate the message first using dgettext.
25027
25028 2017-01-03  Jeff Law  <law@redhat.com>
25029
25030         PR tree-optimizatin/78856
25031         * tree-ssa-threadupdate.c: Include tree-vectorizer.h.
25032         (mark_threaded_blocks): Remove code to truncate thread paths that
25033         cross multiple loop headers.  Instead invalidate the cached loop
25034         iteration information and handle case of a thread path walking
25035         into an irreducible region.
25036
25037 2017-01-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
25038
25039         PR target/78900
25040         * config/rs6000/rs6000.c (rs6000_split_signbit): Change some
25041         assertions.  Add support for doing the signbit if the IEEE 128-bit
25042         floating point value is in a GPR.
25043         * config/rs6000/rs6000.md (Fsignbit): Delete.
25044         (signbit<mode>2_dm): Delete using <Fsignbit> and just use "wa".
25045         Update the length attribute if the value is in a GPR.
25046         (signbit<mode>2_dm_<su>ext): Add combiner pattern to eliminate
25047         the sign or zero extension instruction, since the value is always 0/1.
25048         (signbit<mode>2_dm2): Delete using <Fsignbit>.
25049
25050         PR target/78953
25051         * config/rs6000/vsx.md (vsx_extract_<mode>_store_p9): If we are
25052         extracting SImode to a GPR register so that we can generate a
25053         store, limit the vector to be in a traditional Altivec register
25054         for the vextuwrx instruction.
25055
25056 2017-01-03  Ian Lance Taylor  <iant@google.com>
25057
25058         * godump.c (go_format_type): Treat ENUMERAL_TYPE like INTEGER_TYPE.
25059
25060 2017-01-03  Martin Sebor  <msebor@redhat.com>
25061
25062         PR tree-optimization/78696
25063         * gimple-ssa-sprintf.c (format_floating): Correct handling of
25064         precision.  Use MPFR for %f for greater fidelity.  Correct handling
25065         of %g.
25066         (pass_sprintf_length::compute_format_length): Set width and precision
25067         specified by asrerisk to void_node for vararg functions.
25068         (try_substitute_return_value): Adjust dump output.
25069
25070 2017-01-03  David Edelsohn  <dje.gcc@gmail.com>
25071
25072         * doc/invoke.texi (RS6000 options): LRA is enabled by default.
25073
25074 2017-01-03  Eric Botcazou  <ebotcazou@adacore.com>
25075
25076         * doc/invoke.texi (SPARC options): Document -mlra as the default.
25077         * config/sparc/sparc.c (sparc_option_override): Force LRA unless
25078         -mlra/-mno-lra was passed to the compiler.
25079
25080 2017-01-03  James Cowgill  <James.Cowgill@imgtec.com>
25081
25082         PR rtl-optimization/65618
25083         * emit-rtl.c (try_split): Move initialization of "before" and
25084         "after" to just before the call to emit_insn_after_setloc.
25085
25086 2017-01-03  Gerald Pfeifer  <gerald@pfeifer.com>
25087
25088         * doc/md.texi (Standard Names): Remove reference to Java frontend.
25089
25090 2017-01-03  Pierre-Marie de Rodat  <derodat@adacore.com>
25091
25092         * dwarf2out.c (gen_enumeration_type_die): When
25093         -gno-strict-dwarf, add a DW_AT_encoding attribute.
25094
25095 2017-01-03  Jakub Jelinek  <jakub@redhat.com>
25096
25097         PR tree-optimization/78965
25098         * gimple-ssa-sprintf.c (pass_sprintf_length::compute_format_length):
25099         Change first argument from const call_info & to call_info &.  For %n
25100         set info.nowrite to false.
25101
25102         PR middle-end/78901
25103         * gimple-ssa-sprintf.c (try_substitute_return_value): Don't change
25104         possibly throwing calls.
25105
25106         * genmatch.c (dt_node::gen_kids_1): If generic_exprs include SSA_NAME
25107         and exprs_len || fns_len, emit the code for SSA_NAME next to the exprs
25108         and fns handling, rather than in a separate case SSA_NAME.
25109
25110 2017-01-02  Jeff Law  <law@redhat.com>
25111
25112         * config/darwin-driver.c (darwin_driver_init): Const-correctness
25113         fixes for first_period and second_period variables.
25114
25115 2017-01-02  Uros Bizjak  <ubizjak@gmail.com>
25116
25117         PR target/78967
25118         * config/i386/i386.md (UNSPEC_NOREX_MEM): New unspec.
25119         (*insvqi_1): New insn pattern.
25120         (*insvqi_1_mem_rex64): Ditto.
25121         (*insvqi_2): Ditto.
25122         (*insvqi_3): Rename from *insvqi.
25123
25124         (*extzvqi_mem_rex64): Add UNSPEC_NOREX_MEM tag.
25125
25126 2017-01-02  Gerald Pfeifer  <gerald@pfeifer.com>
25127
25128         * doc/cfg.texi (Edges): Remove reference to Java.
25129         (Maintaining the CFG): Ditto.
25130
25131 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
25132
25133         PR middle-end/77674
25134         * symtab.c (symtab_node::binds_to_current_def_p): Fix handling of
25135         transparent aliases.
25136
25137 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
25138
25139         PR middle-end/77484
25140         * predict.def (PRED_CALL): Update hitrate.
25141         (PRED_INDIR_CALL, PRED_POLYMORPHIC_CALL): New predictors.
25142         * predict.c (tree_estimate_probability_bb): Split CALL predictor
25143         into direct/indirect/polymorphic variants.
25144
25145 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
25146
25147         Update copyright years.
25148
25149         * gcc.c (process_command): Update copyright notice dates.
25150         * gcov-dump.c (print_version): Ditto.
25151         * gcov.c (print_version): Ditto.
25152         * gcov-tool.c (print_version): Ditto.
25153         * gengtype.c (create_file): Ditto.
25154         * doc/cpp.texi: Bump @copying's copyright year.
25155         * doc/cppinternals.texi: Ditto.
25156         * doc/gcc.texi: Ditto.
25157         * doc/gccint.texi: Ditto.
25158         * doc/gcov.texi: Ditto.
25159         * doc/install.texi: Ditto.
25160         * doc/invoke.texi: Ditto.
25161 \f
25162 Copyright (C) 2017 Free Software Foundation, Inc.
25163
25164 Copying and distribution of this file, with or without modification,
25165 are permitted in any medium without royalty provided the copyright
25166 notice and this notice are preserved.