gcc/config/c6x/c6x-mult.md.in

   1 ;; Multiplication patterns for TI C6X.
   2 ;; This file is processed by genmult.sh to produce two variants of each
   3 ;; pattern, a normal one and a real_mult variant for modulo scheduling.
   4 ;; Copyright (C) 2010-2024 Free Software Foundation, Inc.
   5 ;; Contributed by Bernd Schmidt <bernds@codesourcery.com>
   6 ;; Contributed by CodeSourcery.
   7 ;;
   8 ;; This file is part of GCC.
   9 ;;
  10 ;; GCC is free software; you can redistribute it and/or modify
  11 ;; it under the terms of the GNU General Public License as published by
  12 ;; the Free Software Foundation; either version 3, or (at your option)
  13 ;; any later version.
  14 ;;
  15 ;; GCC is distributed in the hope that it will be useful,
  16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 ;; GNU General Public License for more details.
  19 ;;
  20 ;; You should have received a copy of the GNU General Public License
  21 ;; along with GCC; see the file COPYING3.  If not see
  22 ;; <http://www.gnu.org/licenses/>.
  23
  24 ;; -------------------------------------------------------------------------
  25 ;; Miscellaneous insns that execute on the M units
  26 ;; -------------------------------------------------------------------------
  27
  28 (define_insn "rotlsi3_VARIANT_"
  29   [(_SET_ _OBRK_(match_operand:SI 0 "_DESTOPERAND_" "=_A_,_B_,_A_,_B_")
  30         (rotate:SI (match_operand:SI 1 "register_operand" "a,b,?b,?a")
  31                    (match_operand:SI 2 "reg_or_ucst5_operand" "aIu5,bIu5,aIu5,bIu5"))_CBRK_)]
  32   "TARGET_INSNS_64"
  33   "%|%.\\trotl\\t%$\\t%1, %2, %_MODk_0"
  34   [(set_attr "units" "m")
  35    (set_attr "type" "mpy2")
  36    (set_attr "cross" "n,n,y,y")])
  37
  38 (define_insn "bitrevsi2_VARIANT_"
  39   [(_SET_ _OBRK_(match_operand:SI 0 "_DESTOPERAND_" "=_A_,_A_,_B_,_B_")
  40         (unspec:SI [(match_operand:SI 1 "register_operand" "a,?b,b,?a")]
  41                    UNSPEC_BITREV)_CBRK_)]
  42   "TARGET_INSNS_64"
  43   "%|%.\\tbitr\\t%$\\t%1, %_MODk_0"
  44   [(set_attr "units" "m")
  45    (set_attr "type" "mpy2")
  46    (set_attr "cross" "n,y,n,y")])
  47
  48 ;; Vector average.
  49
  50 (define_insn "avgv2hi3_VARIANT_"
  51   [(_SET_ _OBRK_(match_operand:_MV2HI 0 "_DESTOPERAND_" "=_A_,_B_,_A_,_B_")
  52         (unspec:V2HI [(match_operand:V2HI 1 "register_operand" "a,b,?b,?a")
  53                       (match_operand:V2HI 2 "register_operand" "a,b,a,b")] UNSPEC_AVG)_CBRK_)]
  54   "TARGET_INSNS_64"
  55   "%|%.\\tavg2\\t%$\\t%1, %2, %_MODk_0"
  56   [(set_attr "units" "m")
  57    (set_attr "type" "mpy2")
  58    (set_attr "cross" "n,n,y,y")])
  59
  60 (define_insn "uavgv4qi3_VARIANT_"
  61   [(_SET_ _OBRK_(match_operand:_MV4QI 0 "_DESTOPERAND_" "=_A_,_B_,_A_,_B_")
  62         (unspec:V4QI [(match_operand:V4QI 1 "register_operand" "a,b,?b,?a")
  63                       (match_operand:V4QI 2 "register_operand" "a,b,a,b")] UNSPEC_AVG)_CBRK_)]
  64   "TARGET_INSNS_64"
  65   "%|%.\\tavgu4\\t%$\\t%1, %2, %_MODk_0"
  66   [(set_attr "units" "m")
  67    (set_attr "type" "mpy2")
  68    (set_attr "cross" "n,n,y,y")])
  69
  70 ;; -------------------------------------------------------------------------
  71 ;; Multiplication
  72 ;; -------------------------------------------------------------------------
  73
  74 (define_insn "mulhi3_VARIANT_"
  75   [(_SET_ _OBRK_(match_operand:HI 0 "_DESTOPERAND_" "=_A_,_B_,_A_,_B_")
  76         (mult:HI (match_operand:HI 1 "register_operand" "a,b,?b,?a")
  77                  (match_operand:HI 2 "reg_or_scst5_operand" "aIs5,bIs5,aIs5,bIs5"))_CBRK_)]
  78   ""
  79   "%|%.\\tmpy\\t%$\\t%2, %1, %_MODk_0"
  80   [(set_attr "type" "mpy2")
  81    (set_attr "units" "m")
  82    (set_attr "op_pattern" "sxs")
  83    (set_attr "cross" "n,n,y,y")])
  84
  85 (define_insn "mulhisi3_const_VARIANT_"
  86   [(_SET_ _OBRK_(match_operand:SI 0 "_DESTOPERAND_" "=_A_,_B_,_A__B_")
  87         (mult:SI (sign_extend:SI
  88                   (match_operand:HI 1 "register_operand" "a,b,?ab"))
  89                  (match_operand:HI 2 "scst5_operand" "Is5,Is5,Is5"))_CBRK_)]
  90   ""
  91   "%|%.\\tmpy\\t%$\\t%2, %1, %_MODk_0"
  92   [(set_attr "type" "mpy2")
  93    (set_attr "units" "m")
  94    (set_attr "cross" "n,n,y")])
  95
  96 (define_insn "*mulhisi3_insn_VARIANT_"
  97   [(_SET_ _OBRK_(match_operand:SI 0 "_DESTOPERAND_" "=_A_,_B_,_A_,_B_")
  98         (mult:SI (sign_extend:SI
  99                   (match_operand:HI 1 "register_operand" "%a,b,?a,?b"))
 100                  (sign_extend:SI
 101                   (match_operand:HI 2 "reg_or_scst5_operand" "a,b,b,a")))_CBRK_)]
 102   ""
 103   "%|%.\\tmpy\\t%$\\t%1, %2, %_MODk_0"
 104   [(set_attr "type" "mpy2")
 105    (set_attr "units" "m")
 106    (set_attr "op_pattern" "ssx")
 107    (set_attr "cross" "n,n,y,y")])
 108
 109 (define_insn "mulhisi3_lh_VARIANT_"
 110   [(_SET_ _OBRK_(match_operand:SI 0 "_DESTOPERAND_" "=_A_,_B_,_A_,_B_")
 111         (mult:SI (sign_extend:SI
 112                   (match_operand:HI 1 "register_operand" "a,b,?a,?b"))
 113                  (ashiftrt:SI
 114                   (match_operand:SI 2 "register_operand" "a,b,b,a")
 115                   (const_int 16)))_CBRK_)]
 116   ""
 117   "%|%.\\tmpylh\\t%$\\t%1, %2, %_MODk_0"
 118   [(set_attr "type" "mpy2")
 119    (set_attr "units" "m")
 120    (set_attr "cross" "n,n,y,y")])
 121
 122 (define_insn "mulhisi3_hl_VARIANT_"
 123   [(_SET_ _OBRK_(match_operand:SI 0 "_DESTOPERAND_" "=_A_,_B_,_A_,_B_")
 124         (mult:SI (ashiftrt:SI
 125                   (match_operand:SI 1 "register_operand" "a,b,?a,?b")
 126                   (const_int 16))
 127                  (sign_extend:SI
 128                   (match_operand:HI 2 "register_operand" "a,b,b,a")))_CBRK_)]
 129   ""
 130   "%|%.\\tmpyhl\\t%$\\t%1, %2, %_MODk_0"
 131   [(set_attr "type" "mpy2")
 132    (set_attr "units" "m")
 133    (set_attr "cross" "n,n,y,y")])
 134
 135 (define_insn "mulhisi3_hh_VARIANT_"
 136   [(_SET_ _OBRK_(match_operand:SI 0 "_DESTOPERAND_" "=_A_,_B_,_A_,_B_")
 137         (mult:SI (ashiftrt:SI
 138                   (match_operand:SI 1 "register_operand" "%a,b,?a,?b")
 139                   (const_int 16))
 140                  (ashiftrt:SI
 141                   (match_operand:SI 2 "register_operand" "a,b,b,a")
 142                   (const_int 16)))_CBRK_)]
 143   ""
 144   "%|%.\\tmpyh\\t%$\\t%1, %2, %_MODk_0"
 145   [(set_attr "type" "mpy2")
 146    (set_attr "units" "m")
 147    (set_attr "cross" "n,n,y,y")])
 148
 149 (define_insn "umulhisi3_VARIANT_"
 150   [(_SET_ _OBRK_(match_operand:SI 0 "_DESTOPERAND_" "=_A_,_B_,_A_,_B_")
 151         (mult:SI (zero_extend:SI
 152                   (match_operand:HI 1 "register_operand" "%a,b,?a,?b"))
 153                  (zero_extend:SI
 154                   (match_operand:HI 2 "register_operand" "a,b,b,a")))_CBRK_)]
 155   ""
 156   "%|%.\\tmpyu\\t%$\\t%1, %2, %_MODk_0"
 157   [(set_attr "type" "mpy2")
 158    (set_attr "units" "m")
 159    (set_attr "cross" "n,n,y,y")])
 160
 161 (define_insn "umulhisi3_lh_VARIANT_"
 162   [(_SET_ _OBRK_(match_operand:SI 0 "_DESTOPERAND_" "=_A_,_B_,_A_,_B_")
 163         (mult:SI (zero_extend:SI
 164                   (match_operand:HI 1 "register_operand" "a,b,?a,?b"))
 165                  (lshiftrt:SI
 166                   (match_operand:SI 2 "register_operand" "a,b,b,a")
 167                   (const_int 16)))_CBRK_)]
 168   ""
 169   "%|%.\\tmpylhu\\t%$\\t%1, %2, %_MODk_0"
 170   [(set_attr "type" "mpy2")
 171    (set_attr "units" "m")
 172    (set_attr "cross" "n,n,y,y")])
 173
 174 (define_insn "umulhisi3_hl_VARIANT_"
 175   [(_SET_ _OBRK_(match_operand:SI 0 "_DESTOPERAND_" "=_A_,_B_,_A_,_B_")
 176         (mult:SI (lshiftrt:SI
 177                   (match_operand:SI 1 "register_operand" "a,b,?a,?b")
 178                   (const_int 16))
 179                  (zero_extend:SI
 180                   (match_operand:HI 2 "register_operand" "a,b,b,a")))_CBRK_)]
 181   ""
 182   "%|%.\\tmpyhlu\\t%$\\t%1, %2, %_MODk_0"
 183   [(set_attr "type" "mpy2")
 184    (set_attr "units" "m")
 185    (set_attr "cross" "n,n,y,y")])
 186
 187 (define_insn "umulhisi3_hh_VARIANT_"
 188   [(_SET_ _OBRK_(match_operand:SI 0 "_DESTOPERAND_" "=_A_,_B_,_A_,_B_")
 189         (mult:SI (lshiftrt:SI
 190                   (match_operand:SI 1 "register_operand" "%a,b,?a,?b")
 191                   (const_int 16))
 192                  (lshiftrt:SI
 193                   (match_operand:SI 2 "register_operand" "a,b,b,a")
 194                   (const_int 16)))_CBRK_)]
 195   ""
 196   "%|%.\\tmpyhu\\t%$\\t%1, %2, %_MODk_0"
 197   [(set_attr "type" "mpy2")
 198    (set_attr "units" "m")
 199    (set_attr "cross" "n,n,y,y")])
 200
 201 (define_insn "usmulhisi3_const_VARIANT_"
 202   [(_SET_ _OBRK_(match_operand:SI 0 "_DESTOPERAND_" "=_A_,_B_,_A__B_")
 203         (mult:SI (zero_extend:SI
 204                   (match_operand:HI 1 "register_operand" "a,b,?ab"))
 205                  (match_operand:SI 2 "scst5_operand" "Is5,Is5,Is5"))_CBRK_)]
 206   ""
 207   "%|%.\\tmpysu\\t%$\\t%2, %1, %_MODk_0"
 208   [(set_attr "type" "mpy2")
 209    (set_attr "units" "m")
 210    (set_attr "cross" "n,n,y")])
 211
 212 (define_insn "*usmulhisi3_insn_VARIANT_"
 213   [(_SET_ _OBRK_(match_operand:SI 0 "_DESTOPERAND_" "=_A_,_B_,_A_,_B_")
 214         (mult:SI (zero_extend:SI
 215                   (match_operand:HI 1 "register_operand" "a,b,?a,?b"))
 216                  (sign_extend:SI
 217                   (match_operand:HI 2 "reg_or_scst5_operand" "aIs5,bIs5,bIs5,aIs5")))_CBRK_)]
 218   ""
 219   "%|%.\\tmpyus\\t%$\\t%1, %2, %_MODk_0"
 220   [(set_attr "type" "mpy2")
 221    (set_attr "units" "m")
 222    (set_attr "cross" "n,n,y,y")])
 223
 224 (define_insn "usmulhisi3_lh_VARIANT_"
 225   [(_SET_ _OBRK_(match_operand:SI 0 "_DESTOPERAND_" "=_A_,_B_,_A_,_B_")
 226         (mult:SI (zero_extend:SI
 227                   (match_operand:HI 1 "register_operand" "a,b,?a,?b"))
 228                  (ashiftrt:SI
 229                   (match_operand:SI 2 "register_operand" "a,b,b,a")
 230                   (const_int 16)))_CBRK_)]
 231   ""
 232   "%|%.\\tmpyluhs\\t%$\\t%1, %2, %_MODk_0"
 233   [(set_attr "type" "mpy2")
 234    (set_attr "units" "m")
 235    (set_attr "cross" "n,n,y,y")])
 236
 237 (define_insn "usmulhisi3_hl_VARIANT_"
 238   [(_SET_ _OBRK_(match_operand:SI 0 "_DESTOPERAND_" "=_A_,_B_,_A_,_B_")
 239         (mult:SI (lshiftrt:SI
 240                   (match_operand:SI 1 "register_operand" "a,b,?a,?b")
 241                   (const_int 16))
 242                  (sign_extend:SI
 243                   (match_operand:HI 2 "register_operand" "a,b,b,a")))_CBRK_)]
 244   ""
 245   "%|%.\\tmpyhuls\\t%$\\t%1, %2, %_MODk_0"
 246   [(set_attr "type" "mpy2")
 247    (set_attr "units" "m")
 248    (set_attr "cross" "n,n,y,y")])
 249
 250 (define_insn "usmulhisi3_hh_VARIANT_"
 251   [(_SET_ _OBRK_(match_operand:SI 0 "_DESTOPERAND_" "=_A_,_B_,_A_,_B_")
 252         (mult:SI (lshiftrt:SI
 253                   (match_operand:SI 1 "register_operand" "a,b,?a,?b")
 254                   (const_int 16))
 255                  (ashiftrt:SI
 256                   (match_operand:SI 2 "register_operand" "a,b,b,a")
 257                   (const_int 16)))_CBRK_)]
 258   ""
 259   "%|%.\\tmpyhus\\t%$\\t%1, %2, %_MODk_0"
 260   [(set_attr "type" "mpy2")
 261    (set_attr "units" "m")
 262    (set_attr "cross" "n,n,y,y")])
 263
 264 (define_insn "mulsi3_insn_VARIANT_"
 265   [(_SET_ _OBRK_(match_operand:SI 0 "_DESTOPERAND_" "=_A_,_B_,_A_,_B_")
 266         (mult:SI (match_operand:SI 1 "register_operand" "%a,b,?a,?b")
 267                  (match_operand:SI 2 "register_operand" "a,b,b,a"))_CBRK_)]
 268   "TARGET_MPY32"
 269   "%|%.\\tmpy32\\t%$\\t%1, %2, %_MODk_0"
 270  [(set_attr "type" "mpy4")
 271   (set_attr "units" "m")
 272   (set_attr "cross" "n,n,y,y")])
 273
 274 (define_insn "<u>mulsidi3_VARIANT_"
 275   [(_SET_ _OBRK_(match_operand:DI 0 "_DESTOPERAND_" "=_A_,_B_,_A_,_B_")
 276         (mult:DI (any_ext:DI
 277                   (match_operand:SI 1 "register_operand" "%a,b,?a,?b"))
 278                  (any_ext:DI
 279                   (match_operand:SI 2 "register_operand" "a,b,b,a")))_CBRK_)]
 280   "TARGET_MPY32"
 281   "%|%.\\tmpy32<u>\\t%$\\t%1, %2, %_MODK_0"
 282   [(set_attr "type" "mpy4")
 283    (set_attr "units" "m")
 284    (set_attr "cross" "n,n,y,y")])
 285
 286 (define_insn "usmulsidi3_VARIANT_"
 287   [(_SET_ _OBRK_(match_operand:DI 0 "_DESTOPERAND_" "=_A_,_B_,_A_,_B_")
 288         (mult:DI (zero_extend:DI
 289                   (match_operand:SI 1 "register_operand" "a,b,?a,?b"))
 290                  (sign_extend:DI
 291                   (match_operand:SI 2 "register_operand" "a,b,b,a")))_CBRK_)]
 292   "TARGET_MPY32"
 293   "%|%.\\tmpy32us\\t%$\\t%1, %2, %_MODK_0"
 294   [(set_attr "type" "mpy4")
 295    (set_attr "units" "m")
 296    (set_attr "cross" "n,n,y,y")])
 297
 298 ;; Widening vector multiply and dot product
 299
 300 (define_insn "mulv2hiv2si3_VARIANT_"
 301   [(_SET_ _OBRK_(match_operand:V2SI 0 "_DESTOPERAND_" "=_A_,_B_,_A_,_B_")
 302         (mult:V2SI
 303          (sign_extend:V2SI (match_operand:V2HI 1 "register_operand" "a,b,a,b"))
 304          (sign_extend:V2SI (match_operand:V2HI 2 "register_operand" "a,b,?b,?a")))_CBRK_)]
 305   "TARGET_INSNS_64"
 306   "%|%.\\tmpy2\\t%$\\t%1, %2, %_MODk_0"
 307  [(set_attr "type" "mpy4")
 308   (set_attr "units" "m")
 309   (set_attr "cross" "n,n,y,y")])
 310
 311 (define_insn "umulv4qiv4hi3_VARIANT_"
 312   [(_SET_ _OBRK_(match_operand:V4HI 0 "_DESTOPERAND_" "=_A_,_B_,_A_,_B_")
 313         (mult:V4HI
 314          (zero_extend:V4HI (match_operand:V4QI 1 "register_operand" "a,b,a,b"))
 315          (zero_extend:V4HI (match_operand:V4QI 2 "register_operand" "a,b,?b,?a")))_CBRK_)]
 316   "TARGET_INSNS_64"
 317   "%|%.\\tmpyu4\\t%$\\t%1, %2, %_MODk_0"
 318   [(set_attr "type" "mpy4")
 319    (set_attr "units" "m")
 320    (set_attr "cross" "n,n,y,y")])
 321
 322 (define_insn "usmulv4qiv4hi3_VARIANT_"
 323   [(_SET_ _OBRK_(match_operand:V4HI 0 "_DESTOPERAND_" "=_A_,_B_,_A_,_B_")
 324         (mult:V4HI
 325          (zero_extend:V4HI (match_operand:V4QI 1 "register_operand" "a,b,?b,?a"))
 326          (sign_extend:V4HI (match_operand:V4QI 2 "register_operand" "a,b,a,b")))_CBRK_)]
 327   "TARGET_INSNS_64"
 328   "%|%.\\tmpyus4\\t%$\\t%1, %2, %_MODk_0"
 329   [(set_attr "type" "mpy4")
 330    (set_attr "units" "m")
 331    (set_attr "cross" "n,n,y,y")])
 332
 333 (define_insn "dotv2hi_VARIANT_"
 334   [(_SET_ _OBRK_(match_operand:SI 0 "_DESTOPERAND_" "=_A_,_B_,_A_,_B_")
 335         (plus:SI
 336           (mult:SI
 337             (sign_extend:SI
 338               (vec_select:HI
 339                 (match_operand:V2HI 1 "register_operand" "a,b,a,b")
 340                 (parallel [(const_int 0)])))
 341             (sign_extend:SI
 342               (vec_select:HI
 343                 (match_operand:V2HI 2 "register_operand" "a,b,?b,?a")
 344                 (parallel [(const_int 0)]))))
 345           (mult:SI
 346             (sign_extend:SI
 347               (vec_select:HI (match_dup 1) (parallel [(const_int 1)])))
 348             (sign_extend:SI
 349               (vec_select:HI (match_dup 2) (parallel [(const_int 1)])))))_CBRK_)]
 350   "TARGET_INSNS_64"
 351   "%|%.\\tdotp2\\t%$\\t%1, %2, %_MODk_0"
 352   [(set_attr "type" "mpy4")
 353    (set_attr "units" "m")
 354    (set_attr "cross" "n,n,y,y")])
 355
 356 ;; Fractional multiply
 357
 358 (define_insn "mulv2hqv2sq3_VARIANT_"
 359   [(_SET_ _OBRK_(match_operand:_MV2SQ 0 "_DESTOPERAND_" "=_A_,_B_,_A_,_B_")
 360         (ss_mult:V2SQ
 361          (fract_convert:V2SQ
 362           (match_operand:V2HQ 1 "register_operand" "%a,b,?a,?b"))
 363          (fract_convert:V2SQ
 364           (match_operand:V2HQ 2 "register_operand" "a,b,b,a")))_CBRK_)]
 365   ""
 366   "%|%.\\tsmpy2\\t%$\\t%1, %2, %_MODk_0"
 367   [(set_attr "type" "mpy4")
 368    (set_attr "units" "m")
 369    (set_attr "cross" "n,n,y,y")])
 370
 371 (define_insn "mulhqsq3_VARIANT_"
 372   [(_SET_ _OBRK_(match_operand:_MSQ 0 "_DESTOPERAND_" "=_A_,_B_,_A_,_B_")
 373         (ss_mult:SQ
 374          (fract_convert:SQ
 375           (match_operand:HQ 1 "register_operand" "%a,b,?a,?b"))
 376          (fract_convert:SQ
 377           (match_operand:HQ 2 "register_operand" "a,b,b,a")))_CBRK_)]
 378   ""
 379   "%|%.\\tsmpy\\t%$\\t%1, %2, %_MODk_0"
 380   [(set_attr "type" "mpy2")
 381    (set_attr "units" "m")
 382    (set_attr "cross" "n,n,y,y")])
 383
 384 (define_insn "mulhqsq3_lh_VARIANT_"
 385   [(_SET_ _OBRK_(match_operand:_MSQ 0 "_DESTOPERAND_" "=_A_,_B_,_A_,_B_")
 386         (ss_mult:SQ
 387          (fract_convert:SQ
 388           (match_operand:HQ 1 "register_operand" "a,b,?a,?b"))
 389          (fract_convert:SQ
 390           (truncate:HQ (match_operand:SQ 2 "register_operand" "a,b,b,a"))))_CBRK_)]
 391   ""
 392   "%|%.\\tsmpylh\\t%$\\t%1, %2, %_MODk_0"
 393   [(set_attr "type" "mpy2")
 394    (set_attr "units" "m")
 395    (set_attr "cross" "n,n,y,y")])
 396
 397 (define_insn "mulhqsq3_hl_VARIANT_"
 398   [(_SET_ _OBRK_(match_operand:_MSQ 0 "_DESTOPERAND_" "=_A_,_B_,_A_,_B_")
 399         (ss_mult:SQ
 400          (fract_convert:SQ
 401           (truncate:HQ (match_operand:SQ 1 "register_operand" "a,b,b,a")))
 402          (fract_convert:SQ
 403           (match_operand:HQ 2 "register_operand" "a,b,b,a")))_CBRK_)]
 404   ""
 405   "%|%.\\tsmpyhl\\t%$\\t%1, %2, %_MODk_0"
 406   [(set_attr "type" "mpy2")
 407    (set_attr "units" "m")
 408    (set_attr "cross" "n,n,y,y")])
 409
 410 (define_insn "mulhqsq3_hh_VARIANT_"
 411   [(_SET_ _OBRK_(match_operand:_MSQ 0 "_DESTOPERAND_" "=_A_,_B_,_A_,_B_")
 412         (ss_mult:SQ
 413          (fract_convert:SQ
 414           (truncate:HQ (match_operand:SQ 1 "register_operand" "a,b,b,a")))
 415          (fract_convert:SQ
 416           (truncate:HQ (match_operand:SQ 2 "register_operand" "a,b,b,a"))))_CBRK_)]
 417   ""
 418   "%|%.\\tsmpyh\\t%$\\t%1, %2, %_MODk_0"
 419   [(set_attr "type" "mpy2")
 420    (set_attr "units" "m")
 421    (set_attr "cross" "n,n,y,y")])