gcc/config/i386/subst.md

   1 ;; GCC machine description for AVX512F instructions
   2 ;; Copyright (C) 2013-2020 Free Software Foundation, Inc.
   3 ;;
   4 ;; This file is part of GCC.
   5 ;;
   6 ;; GCC is free software; you can redistribute it and/or modify
   7 ;; it under the terms of the GNU General Public License as published by
   8 ;; the Free Software Foundation; either version 3, or (at your option)
   9 ;; any later version.
  10 ;;
  11 ;; GCC is distributed in the hope that it will be useful,
  12 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 ;; GNU General Public License for more details.
  15 ;;
  16 ;; You should have received a copy of the GNU General Public License
  17 ;; along with GCC; see the file COPYING3.  If not see
  18 ;; <http://www.gnu.org/licenses/>.
  19
  20 ;; Some iterators for extending subst as much as possible
  21 ;; All vectors (Use it for destination)
  22 (define_mode_iterator SUBST_V
  23   [V64QI V32QI V16QI
  24    V32HI V16HI V8HI
  25    V16SI V8SI  V4SI
  26    V8DI  V4DI  V2DI
  27    V16SF V8SF  V4SF
  28    V8DF  V4DF  V2DF])
  29
  30 (define_mode_iterator SUBST_S
  31   [QI HI SI DI])
  32
  33 (define_mode_iterator SUBST_A
  34   [V64QI V32QI V16QI
  35    V32HI V16HI V8HI
  36    V16SI V8SI  V4SI
  37    V8DI  V4DI  V2DI
  38    V16SF V8SF  V4SF
  39    V8DF  V4DF  V2DF
  40    QI HI SI DI SF DF])
  41
  42 (define_subst_attr "mask_name" "mask" "" "_mask")
  43 (define_subst_attr "mask_applied" "mask" "false" "true")
  44 (define_subst_attr "mask_operand2" "mask" "" "%{%3%}%N2")
  45 (define_subst_attr "mask_operand3" "mask" "" "%{%4%}%N3")
  46 (define_subst_attr "mask_operand3_1" "mask" "" "%%{%%4%%}%%N3") ;; for sprintf
  47 (define_subst_attr "mask_operand4" "mask" "" "%{%5%}%N4")
  48 (define_subst_attr "mask_operand6" "mask" "" "%{%7%}%N6")
  49 (define_subst_attr "mask_operand7" "mask" "" "%{%8%}%N7")
  50 (define_subst_attr "mask_operand10" "mask" "" "%{%11%}%N10")
  51 (define_subst_attr "mask_operand11" "mask" "" "%{%12%}%N11")
  52 (define_subst_attr "mask_operand18" "mask" "" "%{%19%}%N18")
  53 (define_subst_attr "mask_operand19" "mask" "" "%{%20%}%N19")
  54 (define_subst_attr "mask_codefor" "mask" "*" "")
  55 (define_subst_attr "mask_operand_arg34" "mask" "" ", operands[3], operands[4]")
  56 (define_subst_attr "mask_mode512bit_condition" "mask" "1" "(<MODE_SIZE> == 64 || TARGET_AVX512VL)")
  57 (define_subst_attr "mask_avx512vl_condition" "mask" "1" "TARGET_AVX512VL")
  58 (define_subst_attr "mask_avx512bw_condition" "mask" "1" "TARGET_AVX512BW")
  59 (define_subst_attr "mask_avx512dq_condition" "mask" "1" "TARGET_AVX512DQ")
  60 (define_subst_attr "store_mask_constraint" "mask" "vm" "v")
  61 (define_subst_attr "store_mask_predicate" "mask" "nonimmediate_operand" "register_operand")
  62 (define_subst_attr "mask_prefix" "mask" "vex" "evex")
  63 (define_subst_attr "mask_prefix2" "mask" "maybe_vex" "evex")
  64 (define_subst_attr "mask_prefix3" "mask" "orig,vex" "evex,evex")
  65 (define_subst_attr "mask_prefix4" "mask" "orig,orig,vex" "evex,evex,evex")
  66 (define_subst_attr "mask_expand_op3" "mask" "3" "5")
  67
  68 (define_subst "mask"
  69   [(set (match_operand:SUBST_V 0)
  70         (match_operand:SUBST_V 1))]
  71   "TARGET_AVX512F"
  72   [(set (match_dup 0)
  73         (vec_merge:SUBST_V
  74           (match_dup 1)
  75           (match_operand:SUBST_V 2 "nonimm_or_0_operand" "0C")
  76           (match_operand:<avx512fmaskmode> 3 "register_operand" "Yk")))])
  77
  78 (define_subst_attr "mask_scalar_merge_name" "mask_scalar_merge" "" "_mask")
  79 (define_subst_attr "mask_scalar_merge_operand3" "mask_scalar_merge" "" "%{%3%}")
  80 (define_subst_attr "mask_scalar_merge_operand4" "mask_scalar_merge" "" "%{%4%}")
  81
  82 (define_subst "mask_scalar_merge"
  83   [(set (match_operand:SUBST_S 0)
  84         (match_operand:SUBST_S 1))]
  85   "TARGET_AVX512F"
  86   [(set (match_dup 0)
  87         (and:SUBST_S
  88           (match_dup 1)
  89           (match_operand:SUBST_S 3 "register_operand" "Yk")))])
  90
  91 (define_subst_attr "sd_maskz_name" "sd" "" "_maskz_1")
  92 (define_subst_attr "sd_mask_op4" "sd" "" "%{%5%}%N4")
  93 (define_subst_attr "sd_mask_op5" "sd" "" "%{%6%}%N5")
  94 (define_subst_attr "sd_mask_codefor" "sd" "*" "")
  95 (define_subst_attr "sd_mask_mode512bit_condition" "sd" "1" "(<MODE_SIZE> == 64 || TARGET_AVX512VL)")
  96
  97 (define_subst "sd"
  98  [(set (match_operand:SUBST_V 0)
  99        (match_operand:SUBST_V 1))]
 100  ""
 101  [(set (match_dup 0)
 102        (vec_merge:SUBST_V
 103          (match_dup 1)
 104          (match_operand:SUBST_V 2 "const0_operand" "C")
 105          (match_operand:<avx512fmaskmode> 3 "register_operand" "Yk")))
 106 ])
 107
 108 (define_subst_attr "round_name" "round" "" "_round")
 109 (define_subst_attr "round_mask_operand2" "mask" "%R2" "%R4")
 110 (define_subst_attr "round_mask_operand3" "mask" "%R3" "%R5")
 111 (define_subst_attr "round_mask_operand4" "mask" "%R4" "%R6")
 112 (define_subst_attr "round_sd_mask_operand4" "sd" "%R4" "%R6")
 113 (define_subst_attr "round_op2" "round" "" "%R2")
 114 (define_subst_attr "round_op3" "round" "" "%R3")
 115 (define_subst_attr "round_op4" "round" "" "%R4")
 116 (define_subst_attr "round_op5" "round" "" "%R5")
 117 (define_subst_attr "round_op6" "round" "" "%R6")
 118 (define_subst_attr "round_mask_op2" "round" "" "<round_mask_operand2>")
 119 (define_subst_attr "round_mask_op3" "round" "" "<round_mask_operand3>")
 120 (define_subst_attr "round_mask_op4" "round" "" "<round_mask_operand4>")
 121 (define_subst_attr "round_sd_mask_op4" "round" "" "<round_sd_mask_operand4>")
 122 (define_subst_attr "round_constraint" "round" "vm" "v")
 123 (define_subst_attr "round_constraint2" "round" "m" "v")
 124 (define_subst_attr "round_constraint3" "round" "rm" "r")
 125 (define_subst_attr "round_nimm_predicate" "round" "vector_operand" "register_operand")
 126 (define_subst_attr "round_nimm_scalar_predicate" "round" "nonimmediate_operand" "register_operand")
 127 (define_subst_attr "round_prefix" "round" "vex" "evex")
 128 (define_subst_attr "round_mode512bit_condition" "round" "1" "(<MODE>mode == V16SFmode
 129                                                               || <MODE>mode == V8DFmode
 130                                                               || <MODE>mode == V8DImode
 131                                                               || <MODE>mode == V16SImode)")
 132 (define_subst_attr "round_modev8sf_condition" "round" "1" "(<MODE>mode == V8SFmode)")
 133 (define_subst_attr "round_modev4sf_condition" "round" "1" "(<MODE>mode == V4SFmode)")
 134 (define_subst_attr "round_codefor" "round" "*" "")
 135 (define_subst_attr "round_opnum" "round" "5" "6")
 136
 137 (define_subst "round"
 138   [(set (match_operand:SUBST_A 0)
 139         (match_operand:SUBST_A 1))]
 140   "TARGET_AVX512F"
 141   [(set (match_dup 0)
 142         (unspec:SUBST_A [(match_dup 1)
 143           (match_operand:SI 2 "const_4_or_8_to_11_operand")]
 144           UNSPEC_EMBEDDED_ROUNDING))
 145 ])
 146
 147 (define_subst_attr "round_saeonly_name" "round_saeonly" "" "_round")
 148 (define_subst_attr "round_saeonly_mask_operand2" "mask" "%r2" "%r4")
 149 (define_subst_attr "round_saeonly_mask_operand3" "mask" "%r3" "%r5")
 150 (define_subst_attr "round_saeonly_mask_operand4" "mask" "%r4" "%r6")
 151 (define_subst_attr "round_saeonly_mask_scalar_merge_operand4" "mask_scalar_merge" "%r4" "%r5")
 152 (define_subst_attr "round_saeonly_sd_mask_operand5" "sd" "%r5" "%r7")
 153 (define_subst_attr "round_saeonly_op2" "round_saeonly" "" "%r2")
 154 (define_subst_attr "round_saeonly_op3" "round_saeonly" "" "%r3")
 155 (define_subst_attr "round_saeonly_op4" "round_saeonly" "" "%r4")
 156 (define_subst_attr "round_saeonly_op5" "round_saeonly" "" "%r5")
 157 (define_subst_attr "round_saeonly_op6" "round_saeonly" "" "%r6")
 158 (define_subst_attr "round_saeonly_prefix" "round_saeonly" "vex" "evex")
 159 (define_subst_attr "round_saeonly_mask_op2" "round_saeonly" "" "<round_saeonly_mask_operand2>")
 160 (define_subst_attr "round_saeonly_mask_op3" "round_saeonly" "" "<round_saeonly_mask_operand3>")
 161 (define_subst_attr "round_saeonly_mask_op4" "round_saeonly" "" "<round_saeonly_mask_operand4>")
 162 (define_subst_attr "round_saeonly_mask_scalar_merge_op4" "round_saeonly" "" "<round_saeonly_mask_scalar_merge_operand4>")
 163 (define_subst_attr "round_saeonly_sd_mask_op5" "round_saeonly" "" "<round_saeonly_sd_mask_operand5>")
 164 (define_subst_attr "round_saeonly_mask_arg3" "round_saeonly" "" ", operands[<mask_expand_op3>]")
 165 (define_subst_attr "round_saeonly_constraint" "round_saeonly" "vm" "v")
 166 (define_subst_attr "round_saeonly_constraint2" "round_saeonly" "m" "v")
 167 (define_subst_attr "round_saeonly_nimm_predicate" "round_saeonly" "vector_operand" "register_operand")
 168 (define_subst_attr "round_saeonly_nimm_scalar_predicate" "round_saeonly" "nonimmediate_operand" "register_operand")
 169 (define_subst_attr "round_saeonly_mode512bit_condition" "round_saeonly" "1" "(<MODE>mode == V16SFmode
 170                                                                               || <MODE>mode == V8DFmode
 171                                                                               || <MODE>mode == V8DImode
 172                                                                               || <MODE>mode == V16SImode)")
 173 (define_subst_attr "round_saeonly_modev8sf_condition" "round_saeonly" "1" "(<MODE>mode == V8SFmode)")
 174
 175 (define_subst "round_saeonly"
 176   [(set (match_operand:SUBST_A 0)
 177         (match_operand:SUBST_A 1))]
 178   "TARGET_AVX512F"
 179   [(set (match_dup 0)
 180         (unspec:SUBST_A [(match_dup 1)
 181           (match_operand:SI 2 "const48_operand")]
 182           UNSPEC_EMBEDDED_ROUNDING))
 183 ])
 184
 185 (define_subst "round_saeonly"
 186   [(set (match_operand:CCFP 0)
 187         (match_operand:CCFP 1))]
 188   "TARGET_AVX512F"
 189   [(set (match_dup 0)
 190         (unspec:CCFP [(match_dup 1)
 191           (match_operand:SI 2 "const48_operand")]
 192           UNSPEC_EMBEDDED_ROUNDING))
 193 ])
 194
 195 (define_subst_attr "round_expand_name" "round_expand" "" "_round")
 196 (define_subst_attr "round_expand_nimm_predicate" "round_expand" "nonimmediate_operand" "register_operand")
 197 (define_subst_attr "round_expand_operand" "round_expand" "" ", operands[5]")
 198
 199 (define_subst "round_expand"
 200  [(match_operand:SUBST_V 0)
 201   (match_operand:SUBST_V 1)
 202   (match_operand:SUBST_V 2)
 203   (match_operand:SUBST_V 3)
 204   (match_operand:SUBST_S 4)]
 205   "TARGET_AVX512F"
 206   [(match_dup 0)
 207    (match_dup 1)
 208    (match_dup 2)
 209    (match_dup 3)
 210    (match_dup 4)
 211    (unspec [(match_operand:SI 5 "const_4_or_8_to_11_operand")] UNSPEC_EMBEDDED_ROUNDING)])
 212
 213 (define_subst_attr "round_saeonly_expand_name" "round_saeonly_expand" "" "_round")
 214 (define_subst_attr "round_saeonly_expand_nimm_predicate" "round_saeonly_expand" "nonimmediate_operand" "register_operand")
 215 (define_subst_attr "round_saeonly_expand_operand6" "round_saeonly_expand" "" ", operands[6]")
 216
 217 (define_subst "round_saeonly_expand"
 218  [(match_operand:SUBST_V 0)
 219   (match_operand:SUBST_V 1)
 220   (match_operand:SUBST_V 2)
 221   (match_operand:SUBST_A 3)
 222   (match_operand:SI 4)
 223   (match_operand:SUBST_S 5)]
 224   "TARGET_AVX512F"
 225   [(match_dup 0)
 226    (match_dup 1)
 227    (match_dup 2)
 228    (match_dup 3)
 229    (match_dup 4)
 230    (match_dup 5)
 231    (unspec [(match_operand:SI 6 "const48_operand")] UNSPEC_EMBEDDED_ROUNDING)])
 232
 233 (define_subst_attr "mask_expand4_name" "mask_expand4" "" "_mask")
 234 (define_subst_attr "mask_expand4_args" "mask_expand4" "" ", operands[4], operands[5]")
 235
 236 (define_subst "mask_expand4"
 237   [(match_operand:SUBST_V 0)
 238    (match_operand:SUBST_V 1)
 239    (match_operand:SUBST_V 2)
 240    (match_operand:SI 3)]
 241    "TARGET_AVX512VL"
 242    [(match_dup 0)
 243     (match_dup 1)
 244     (match_dup 2)
 245     (match_dup 3)
 246     (match_operand:SUBST_V 4 "nonimm_or_0_operand")
 247     (match_operand:<avx512fmaskmode> 5 "register_operand")])
 248
 249 (define_subst_attr "mask_scalar_name" "mask_scalar" "" "_mask")
 250 (define_subst_attr "mask_scalar_operand3" "mask_scalar" "" "%{%4%}%N3")
 251 (define_subst_attr "mask_scalar_operand4" "mask_scalar" "" "%{%5%}%N4")
 252
 253 (define_subst "mask_scalar"
 254   [(set (match_operand:SUBST_V 0)
 255         (vec_merge:SUBST_V
 256           (match_operand:SUBST_V 1)
 257           (match_operand:SUBST_V 2)
 258           (const_int 1)))]
 259   "TARGET_AVX512F"
 260   [(set (match_dup 0)
 261         (vec_merge:SUBST_V
 262           (vec_merge:SUBST_V
 263             (match_dup 1)
 264             (match_operand:SUBST_V 3 "nonimm_or_0_operand" "0C")
 265             (match_operand:<avx512fmaskmode> 4 "register_operand" "Yk"))
 266           (match_dup 2)
 267           (const_int 1)))])
 268
 269 (define_subst_attr "round_scalar_name" "round_scalar" "" "_round")
 270 (define_subst_attr "round_scalar_mask_operand3" "mask_scalar" "%R3" "%R5")
 271 (define_subst_attr "round_scalar_mask_op3" "round_scalar" "" "<round_scalar_mask_operand3>")
 272 (define_subst_attr "round_scalar_constraint" "round_scalar" "vm" "v")
 273 (define_subst_attr "round_scalar_prefix" "round_scalar" "vex" "evex")
 274 (define_subst_attr "round_scalar_nimm_predicate" "round_scalar" "nonimmediate_operand" "register_operand")
 275
 276 (define_subst "round_scalar"
 277   [(set (match_operand:SUBST_V 0)
 278         (vec_merge:SUBST_V
 279           (match_operand:SUBST_V 1)
 280           (match_operand:SUBST_V 2)
 281           (const_int 1)))]
 282   "TARGET_AVX512F"
 283   [(set (match_dup 0)
 284         (unspec:SUBST_V [
 285              (vec_merge:SUBST_V
 286                 (match_dup 1)
 287                 (match_dup 2)
 288                 (const_int 1))
 289              (match_operand:SI 3 "const_4_or_8_to_11_operand")]
 290                 UNSPEC_EMBEDDED_ROUNDING))])
 291
 292 (define_subst_attr "round_saeonly_scalar_name" "round_saeonly_scalar" "" "_round")
 293 (define_subst_attr "round_saeonly_scalar_mask_operand3" "mask_scalar" "%r3" "%r5")
 294 (define_subst_attr "round_saeonly_scalar_mask_operand4" "mask_scalar" "%r4" "%r6")
 295 (define_subst_attr "round_saeonly_scalar_mask_op3" "round_saeonly_scalar" "" "<round_saeonly_scalar_mask_operand3>")
 296 (define_subst_attr "round_saeonly_scalar_mask_op4" "round_saeonly_scalar" "" "<round_saeonly_scalar_mask_operand4>")
 297 (define_subst_attr "round_saeonly_scalar_constraint" "round_saeonly_scalar" "vm" "v")
 298 (define_subst_attr "round_saeonly_scalar_prefix" "round_saeonly_scalar" "vex" "evex")
 299 (define_subst_attr "round_saeonly_scalar_nimm_predicate" "round_saeonly_scalar" "nonimmediate_operand" "register_operand")
 300
 301 (define_subst "round_saeonly_scalar"
 302   [(set (match_operand:SUBST_V 0)
 303         (vec_merge:SUBST_V
 304           (match_operand:SUBST_V 1)
 305           (match_operand:SUBST_V 2)
 306           (const_int 1)))]
 307   "TARGET_AVX512F"
 308   [(set (match_dup 0)
 309         (unspec:SUBST_V [
 310              (vec_merge:SUBST_V
 311                 (match_dup 1)
 312                 (match_dup 2)
 313                 (const_int 1))
 314              (match_operand:SI 3 "const48_operand")]
 315                 UNSPEC_EMBEDDED_ROUNDING))])
 316
 317 (define_subst_attr "maskz_half_name" "maskz_half" "" "_maskz_1")
 318 (define_subst_attr "maskz_half_operand4" "maskz_half" "" "%{%5%}%N4")
 319
 320 (define_subst "maskz_half"
 321   [(set (match_operand:SUBST_V 0)
 322         (match_operand:SUBST_V 1))]
 323   ""
 324   [(set (match_dup 0)
 325         (vec_merge:SUBST_V
 326           (match_dup 1)
 327           (match_operand:SUBST_V 2 "const0_operand" "C")
 328           (match_operand:<avx512fmaskhalfmode> 3 "register_operand" "Yk")))])