test/MC/AArch64/arm64-fp-encoding.s

   1 ; RUN: llvm-mc -triple arm64-apple-darwin -mattr=neon -show-encoding -output-asm-variant=1 < %s | FileCheck %s
   2
   3 foo:
   4 ;-----------------------------------------------------------------------------
   5 ; Floating-point arithmetic
   6 ;-----------------------------------------------------------------------------
   7
   8   fabs s1, s2
   9   fabs d1, d2
  10
  11 ; CHECK: fabs s1, s2                 ; encoding: [0x41,0xc0,0x20,0x1e]
  12 ; CHECK: fabs d1, d2                 ; encoding: [0x41,0xc0,0x60,0x1e]
  13
  14   fadd s1, s2, s3
  15   fadd d1, d2, d3
  16
  17 ; CHECK: fadd s1, s2, s3             ; encoding: [0x41,0x28,0x23,0x1e]
  18 ; CHECK: fadd d1, d2, d3             ; encoding: [0x41,0x28,0x63,0x1e]
  19
  20   fdiv s1, s2, s3
  21   fdiv d1, d2, d3
  22
  23 ; CHECK: fdiv s1, s2, s3             ; encoding: [0x41,0x18,0x23,0x1e]
  24 ; CHECK: fdiv d1, d2, d3             ; encoding: [0x41,0x18,0x63,0x1e]
  25
  26   fmadd s1, s2, s3, s4
  27   fmadd d1, d2, d3, d4
  28
  29 ; CHECK: fmadd s1, s2, s3, s4        ; encoding: [0x41,0x10,0x03,0x1f]
  30 ; CHECK: fmadd d1, d2, d3, d4        ; encoding: [0x41,0x10,0x43,0x1f]
  31
  32   fmax   s1, s2, s3
  33   fmax   d1, d2, d3
  34   fmaxnm s1, s2, s3
  35   fmaxnm d1, d2, d3
  36
  37 ; CHECK: fmax   s1, s2, s3           ; encoding: [0x41,0x48,0x23,0x1e]
  38 ; CHECK: fmax   d1, d2, d3           ; encoding: [0x41,0x48,0x63,0x1e]
  39 ; CHECK: fmaxnm s1, s2, s3           ; encoding: [0x41,0x68,0x23,0x1e]
  40 ; CHECK: fmaxnm d1, d2, d3           ; encoding: [0x41,0x68,0x63,0x1e]
  41
  42   fmin   s1, s2, s3
  43   fmin   d1, d2, d3
  44   fminnm s1, s2, s3
  45   fminnm d1, d2, d3
  46
  47 ; CHECK: fmin   s1, s2, s3           ; encoding: [0x41,0x58,0x23,0x1e]
  48 ; CHECK: fmin   d1, d2, d3           ; encoding: [0x41,0x58,0x63,0x1e]
  49 ; CHECK: fminnm s1, s2, s3           ; encoding: [0x41,0x78,0x23,0x1e]
  50 ; CHECK: fminnm d1, d2, d3           ; encoding: [0x41,0x78,0x63,0x1e]
  51
  52   fmsub s1, s2, s3, s4
  53   fmsub d1, d2, d3, d4
  54
  55 ; CHECK: fmsub s1, s2, s3, s4        ; encoding: [0x41,0x90,0x03,0x1f]
  56 ; CHECK: fmsub d1, d2, d3, d4        ; encoding: [0x41,0x90,0x43,0x1f]
  57
  58   fmul s1, s2, s3
  59   fmul d1, d2, d3
  60
  61 ; CHECK: fmul s1, s2, s3             ; encoding: [0x41,0x08,0x23,0x1e]
  62 ; CHECK: fmul d1, d2, d3             ; encoding: [0x41,0x08,0x63,0x1e]
  63
  64   fneg s1, s2
  65   fneg d1, d2
  66
  67 ; CHECK: fneg s1, s2                 ; encoding: [0x41,0x40,0x21,0x1e]
  68 ; CHECK: fneg d1, d2                 ; encoding: [0x41,0x40,0x61,0x1e]
  69
  70   fnmadd s1, s2, s3, s4
  71   fnmadd d1, d2, d3, d4
  72
  73 ; CHECK: fnmadd s1, s2, s3, s4       ; encoding: [0x41,0x10,0x23,0x1f]
  74 ; CHECK: fnmadd d1, d2, d3, d4       ; encoding: [0x41,0x10,0x63,0x1f]
  75
  76   fnmsub s1, s2, s3, s4
  77   fnmsub d1, d2, d3, d4
  78
  79 ; CHECK: fnmsub s1, s2, s3, s4       ; encoding: [0x41,0x90,0x23,0x1f]
  80 ; CHECK: fnmsub d1, d2, d3, d4       ; encoding: [0x41,0x90,0x63,0x1f]
  81
  82   fnmul s1, s2, s3
  83   fnmul d1, d2, d3
  84
  85 ; CHECK: fnmul s1, s2, s3            ; encoding: [0x41,0x88,0x23,0x1e]
  86 ; CHECK: fnmul d1, d2, d3            ; encoding: [0x41,0x88,0x63,0x1e]
  87
  88   fsqrt s1, s2
  89   fsqrt d1, d2
  90
  91 ; CHECK: fsqrt s1, s2                ; encoding: [0x41,0xc0,0x21,0x1e]
  92 ; CHECK: fsqrt d1, d2                ; encoding: [0x41,0xc0,0x61,0x1e]
  93
  94   fsub s1, s2, s3
  95   fsub d1, d2, d3
  96
  97 ; CHECK: fsub s1, s2, s3             ; encoding: [0x41,0x38,0x23,0x1e]
  98 ; CHECK: fsub d1, d2, d3             ; encoding: [0x41,0x38,0x63,0x1e]
  99
 100 ;-----------------------------------------------------------------------------
 101 ; Floating-point comparison
 102 ;-----------------------------------------------------------------------------
 103
 104   fccmp  s1, s2, #0, eq
 105   fccmp  d1, d2, #0, eq
 106   fccmpe s1, s2, #0, eq
 107   fccmpe d1, d2, #0, eq
 108
 109 ; CHECK: fccmp  s1, s2, #0, eq       ; encoding: [0x20,0x04,0x22,0x1e]
 110 ; CHECK: fccmp  d1, d2, #0, eq       ; encoding: [0x20,0x04,0x62,0x1e]
 111 ; CHECK: fccmpe s1, s2, #0, eq       ; encoding: [0x30,0x04,0x22,0x1e]
 112 ; CHECK: fccmpe d1, d2, #0, eq       ; encoding: [0x30,0x04,0x62,0x1e]
 113
 114   fcmp  s1, s2
 115   fcmp  d1, d2
 116   fcmp  s1, #0.0
 117   fcmp  d1, #0.0
 118   fcmpe s1, s2
 119   fcmpe d1, d2
 120   fcmpe s1, #0.0
 121   fcmpe d1, #0.0
 122
 123 ; CHECK: fcmp  s1, s2                ; encoding: [0x20,0x20,0x22,0x1e]
 124 ; CHECK: fcmp  d1, d2                ; encoding: [0x20,0x20,0x62,0x1e]
 125 ; CHECK: fcmp  s1, #0.0              ; encoding: [0x28,0x20,0x20,0x1e]
 126 ; CHECK: fcmp  d1, #0.0              ; encoding: [0x28,0x20,0x60,0x1e]
 127 ; CHECK: fcmpe s1, s2                ; encoding: [0x30,0x20,0x22,0x1e]
 128 ; CHECK: fcmpe d1, d2                ; encoding: [0x30,0x20,0x62,0x1e]
 129 ; CHECK: fcmpe s1, #0.0              ; encoding: [0x38,0x20,0x20,0x1e]
 130 ; CHECK: fcmpe d1, #0.0              ; encoding: [0x38,0x20,0x60,0x1e]
 131
 132 ;-----------------------------------------------------------------------------
 133 ; Floating-point conditional select
 134 ;-----------------------------------------------------------------------------
 135
 136   fcsel s1, s2, s3, eq
 137   fcsel d1, d2, d3, eq
 138
 139 ; CHECK: fcsel s1, s2, s3, eq        ; encoding: [0x41,0x0c,0x23,0x1e]
 140 ; CHECK: fcsel d1, d2, d3, eq        ; encoding: [0x41,0x0c,0x63,0x1e]
 141
 142 ;-----------------------------------------------------------------------------
 143 ; Floating-point convert
 144 ;-----------------------------------------------------------------------------
 145
 146   fcvt h1, d2
 147   fcvt s1, d2
 148   fcvt d1, h2
 149   fcvt s1, h2
 150   fcvt d1, s2
 151   fcvt h1, s2
 152
 153 ; CHECK: fcvt h1, d2                 ; encoding: [0x41,0xc0,0x63,0x1e]
 154 ; CHECK: fcvt s1, d2                 ; encoding: [0x41,0x40,0x62,0x1e]
 155 ; CHECK: fcvt d1, h2                 ; encoding: [0x41,0xc0,0xe2,0x1e]
 156 ; CHECK: fcvt s1, h2                 ; encoding: [0x41,0x40,0xe2,0x1e]
 157 ; CHECK: fcvt d1, s2                 ; encoding: [0x41,0xc0,0x22,0x1e]
 158 ; CHECK: fcvt h1, s2                 ; encoding: [0x41,0xc0,0x23,0x1e]
 159
 160   fcvtas w1, d2
 161   fcvtas x1, d2
 162   fcvtas w1, s2
 163   fcvtas x1, s2
 164
 165 ; CHECK: fcvtas w1, d2                  ; encoding: [0x41,0x00,0x64,0x1e]
 166 ; CHECK: fcvtas x1, d2                  ; encoding: [0x41,0x00,0x64,0x9e]
 167 ; CHECK: fcvtas w1, s2                  ; encoding: [0x41,0x00,0x24,0x1e]
 168 ; CHECK: fcvtas x1, s2                  ; encoding: [0x41,0x00,0x24,0x9e]
 169
 170   fcvtau w1, s2
 171   fcvtau w1, d2
 172   fcvtau x1, s2
 173   fcvtau x1, d2
 174
 175 ; CHECK: fcvtau w1, s2                  ; encoding: [0x41,0x00,0x25,0x1e]
 176 ; CHECK: fcvtau w1, d2                  ; encoding: [0x41,0x00,0x65,0x1e]
 177 ; CHECK: fcvtau x1, s2                  ; encoding: [0x41,0x00,0x25,0x9e]
 178 ; CHECK: fcvtau x1, d2                  ; encoding: [0x41,0x00,0x65,0x9e]
 179
 180   fcvtms w1, s2
 181   fcvtms w1, d2
 182   fcvtms x1, s2
 183   fcvtms x1, d2
 184
 185 ; CHECK: fcvtms w1, s2                  ; encoding: [0x41,0x00,0x30,0x1e]
 186 ; CHECK: fcvtms w1, d2                  ; encoding: [0x41,0x00,0x70,0x1e]
 187 ; CHECK: fcvtms x1, s2                  ; encoding: [0x41,0x00,0x30,0x9e]
 188 ; CHECK: fcvtms x1, d2                  ; encoding: [0x41,0x00,0x70,0x9e]
 189
 190   fcvtmu w1, s2
 191   fcvtmu w1, d2
 192   fcvtmu x1, s2
 193   fcvtmu x1, d2
 194
 195 ; CHECK: fcvtmu w1, s2                  ; encoding: [0x41,0x00,0x31,0x1e]
 196 ; CHECK: fcvtmu w1, d2                  ; encoding: [0x41,0x00,0x71,0x1e]
 197 ; CHECK: fcvtmu x1, s2                  ; encoding: [0x41,0x00,0x31,0x9e]
 198 ; CHECK: fcvtmu x1, d2                  ; encoding: [0x41,0x00,0x71,0x9e]
 199
 200   fcvtns w1, s2
 201   fcvtns w1, d2
 202   fcvtns x1, s2
 203   fcvtns x1, d2
 204
 205 ; CHECK: fcvtns w1, s2                  ; encoding: [0x41,0x00,0x20,0x1e]
 206 ; CHECK: fcvtns w1, d2                  ; encoding: [0x41,0x00,0x60,0x1e]
 207 ; CHECK: fcvtns x1, s2                  ; encoding: [0x41,0x00,0x20,0x9e]
 208 ; CHECK: fcvtns x1, d2                  ; encoding: [0x41,0x00,0x60,0x9e]
 209
 210   fcvtnu w1, s2
 211   fcvtnu w1, d2
 212   fcvtnu x1, s2
 213   fcvtnu x1, d2
 214
 215 ; CHECK: fcvtnu w1, s2                  ; encoding: [0x41,0x00,0x21,0x1e]
 216 ; CHECK: fcvtnu w1, d2                  ; encoding: [0x41,0x00,0x61,0x1e]
 217 ; CHECK: fcvtnu x1, s2                  ; encoding: [0x41,0x00,0x21,0x9e]
 218 ; CHECK: fcvtnu x1, d2                  ; encoding: [0x41,0x00,0x61,0x9e]
 219
 220   fcvtps w1, s2
 221   fcvtps w1, d2
 222   fcvtps x1, s2
 223   fcvtps x1, d2
 224
 225 ; CHECK: fcvtps w1, s2                  ; encoding: [0x41,0x00,0x28,0x1e]
 226 ; CHECK: fcvtps w1, d2                  ; encoding: [0x41,0x00,0x68,0x1e]
 227 ; CHECK: fcvtps x1, s2                  ; encoding: [0x41,0x00,0x28,0x9e]
 228 ; CHECK: fcvtps x1, d2                  ; encoding: [0x41,0x00,0x68,0x9e]
 229
 230   fcvtpu w1, s2
 231   fcvtpu w1, d2
 232   fcvtpu x1, s2
 233   fcvtpu x1, d2
 234
 235 ; CHECK: fcvtpu w1, s2                  ; encoding: [0x41,0x00,0x29,0x1e]
 236 ; CHECK: fcvtpu w1, d2                  ; encoding: [0x41,0x00,0x69,0x1e]
 237 ; CHECK: fcvtpu x1, s2                  ; encoding: [0x41,0x00,0x29,0x9e]
 238 ; CHECK: fcvtpu x1, d2                  ; encoding: [0x41,0x00,0x69,0x9e]
 239
 240   fcvtzs w1, s2
 241   fcvtzs w1, s2, #1
 242   fcvtzs w1, d2
 243   fcvtzs w1, d2, #1
 244   fcvtzs x1, s2
 245   fcvtzs x1, s2, #1
 246   fcvtzs x1, d2
 247   fcvtzs x1, d2, #1
 248
 249 ; CHECK: fcvtzs w1, s2                  ; encoding: [0x41,0x00,0x38,0x1e]
 250 ; CHECK: fcvtzs w1, s2, #1              ; encoding: [0x41,0xfc,0x18,0x1e]
 251 ; CHECK: fcvtzs w1, d2                  ; encoding: [0x41,0x00,0x78,0x1e]
 252 ; CHECK: fcvtzs w1, d2, #1              ; encoding: [0x41,0xfc,0x58,0x1e]
 253 ; CHECK: fcvtzs x1, s2                  ; encoding: [0x41,0x00,0x38,0x9e]
 254 ; CHECK: fcvtzs x1, s2, #1              ; encoding: [0x41,0xfc,0x18,0x9e]
 255 ; CHECK: fcvtzs x1, d2                  ; encoding: [0x41,0x00,0x78,0x9e]
 256 ; CHECK: fcvtzs x1, d2, #1              ; encoding: [0x41,0xfc,0x58,0x9e]
 257
 258   fcvtzu w1, s2
 259   fcvtzu w1, s2, #1
 260   fcvtzu w1, d2
 261   fcvtzu w1, d2, #1
 262   fcvtzu x1, s2
 263   fcvtzu x1, s2, #1
 264   fcvtzu x1, d2
 265   fcvtzu x1, d2, #1
 266
 267 ; CHECK: fcvtzu w1, s2                  ; encoding: [0x41,0x00,0x39,0x1e]
 268 ; CHECK: fcvtzu w1, s2, #1              ; encoding: [0x41,0xfc,0x19,0x1e]
 269 ; CHECK: fcvtzu w1, d2                  ; encoding: [0x41,0x00,0x79,0x1e]
 270 ; CHECK: fcvtzu w1, d2, #1              ; encoding: [0x41,0xfc,0x59,0x1e]
 271 ; CHECK: fcvtzu x1, s2                  ; encoding: [0x41,0x00,0x39,0x9e]
 272 ; CHECK: fcvtzu x1, s2, #1              ; encoding: [0x41,0xfc,0x19,0x9e]
 273 ; CHECK: fcvtzu x1, d2                  ; encoding: [0x41,0x00,0x79,0x9e]
 274 ; CHECK: fcvtzu x1, d2, #1              ; encoding: [0x41,0xfc,0x59,0x9e]
 275
 276   scvtf s1, w2
 277   scvtf s1, w2, #1
 278   scvtf d1, w2
 279   scvtf d1, w2, #1
 280   scvtf s1, x2
 281   scvtf s1, x2, #1
 282   scvtf d1, x2
 283   scvtf d1, x2, #1
 284
 285 ; CHECK: scvtf  s1, w2                  ; encoding: [0x41,0x00,0x22,0x1e]
 286 ; CHECK: scvtf  s1, w2, #1              ; encoding: [0x41,0xfc,0x02,0x1e]
 287 ; CHECK: scvtf  d1, w2                  ; encoding: [0x41,0x00,0x62,0x1e]
 288 ; CHECK: scvtf  d1, w2, #1              ; encoding: [0x41,0xfc,0x42,0x1e]
 289 ; CHECK: scvtf  s1, x2                  ; encoding: [0x41,0x00,0x22,0x9e]
 290 ; CHECK: scvtf  s1, x2, #1              ; encoding: [0x41,0xfc,0x02,0x9e]
 291 ; CHECK: scvtf  d1, x2                  ; encoding: [0x41,0x00,0x62,0x9e]
 292 ; CHECK: scvtf  d1, x2, #1              ; encoding: [0x41,0xfc,0x42,0x9e]
 293
 294   ucvtf s1, w2
 295   ucvtf s1, w2, #1
 296   ucvtf d1, w2
 297   ucvtf d1, w2, #1
 298   ucvtf s1, x2
 299   ucvtf s1, x2, #1
 300   ucvtf d1, x2
 301   ucvtf d1, x2, #1
 302
 303 ; CHECK: ucvtf  s1, w2                  ; encoding: [0x41,0x00,0x23,0x1e]
 304 ; CHECK: ucvtf  s1, w2, #1              ; encoding: [0x41,0xfc,0x03,0x1e]
 305 ; CHECK: ucvtf  d1, w2                  ; encoding: [0x41,0x00,0x63,0x1e]
 306 ; CHECK: ucvtf  d1, w2, #1              ; encoding: [0x41,0xfc,0x43,0x1e]
 307 ; CHECK: ucvtf  s1, x2                  ; encoding: [0x41,0x00,0x23,0x9e]
 308 ; CHECK: ucvtf  s1, x2, #1              ; encoding: [0x41,0xfc,0x03,0x9e]
 309 ; CHECK: ucvtf  d1, x2                  ; encoding: [0x41,0x00,0x63,0x9e]
 310 ; CHECK: ucvtf  d1, x2, #1              ; encoding: [0x41,0xfc,0x43,0x9e]
 311
 312 ;-----------------------------------------------------------------------------
 313 ; Floating-point move
 314 ;-----------------------------------------------------------------------------
 315
 316   fmov s1, w2
 317   fmov w1, s2
 318   fmov d1, x2
 319   fmov x1, d2
 320
 321 ; CHECK: fmov s1, w2                 ; encoding: [0x41,0x00,0x27,0x1e]
 322 ; CHECK: fmov w1, s2                 ; encoding: [0x41,0x00,0x26,0x1e]
 323 ; CHECK: fmov d1, x2                 ; encoding: [0x41,0x00,0x67,0x9e]
 324 ; CHECK: fmov x1, d2                 ; encoding: [0x41,0x00,0x66,0x9e]
 325
 326   fmov s1, #0.125
 327   fmov s1, #0x40
 328   fmov d1, #0.125
 329   fmov d1, #0x40
 330   fmov d1, #-4.843750e-01
 331   fmov d1, #4.843750e-01
 332   fmov d3, #3
 333   fmov s2, #0.0
 334   fmov d2, #0.0
 335
 336 ; CHECK: fmov s1, #0.12500000      ; encoding: [0x01,0x10,0x28,0x1e]
 337 ; CHECK: fmov s1, #0.12500000      ; encoding: [0x01,0x10,0x28,0x1e]
 338 ; CHECK: fmov d1, #0.12500000      ; encoding: [0x01,0x10,0x68,0x1e]
 339 ; CHECK: fmov d1, #0.12500000      ; encoding: [0x01,0x10,0x68,0x1e]
 340 ; CHECK: fmov d1, #-0.48437500     ; encoding: [0x01,0xf0,0x7b,0x1e]
 341 ; CHECK: fmov d1, #0.48437500      ; encoding: [0x01,0xf0,0x6b,0x1e]
 342 ; CHECK: fmov d3, #3.00000000      ; encoding: [0x03,0x10,0x61,0x1e]
 343 ; CHECK: fmov s2, wzr                ; encoding: [0xe2,0x03,0x27,0x1e]
 344 ; CHECK: fmov d2, xzr                ; encoding: [0xe2,0x03,0x67,0x9e]
 345
 346   fmov s1, s2
 347   fmov d1, d2
 348
 349 ; CHECK: fmov s1, s2                 ; encoding: [0x41,0x40,0x20,0x1e]
 350 ; CHECK: fmov d1, d2                 ; encoding: [0x41,0x40,0x60,0x1e]
 351
 352
 353   fmov x2, v5.d[1]
 354   fmov.d x9, v7[1]
 355   fmov v1.d[1], x1
 356   fmov.d v8[1], x6
 357
 358 ; CHECK: fmov.d x2, v5[1]               ; encoding: [0xa2,0x00,0xae,0x9e]
 359 ; CHECK: fmov.d x9, v7[1]               ; encoding: [0xe9,0x00,0xae,0x9e]
 360 ; CHECK: fmov.d v1[1], x1               ; encoding: [0x21,0x00,0xaf,0x9e]
 361 ; CHECK: fmov.d v8[1], x6               ; encoding: [0xc8,0x00,0xaf,0x9e]
 362
 363
 364 ;-----------------------------------------------------------------------------
 365 ; Floating-point round to integral
 366 ;-----------------------------------------------------------------------------
 367
 368   frinta s1, s2
 369   frinta d1, d2
 370
 371 ; CHECK: frinta s1, s2               ; encoding: [0x41,0x40,0x26,0x1e]
 372 ; CHECK: frinta d1, d2               ; encoding: [0x41,0x40,0x66,0x1e]
 373
 374   frinti s1, s2
 375   frinti d1, d2
 376
 377 ; CHECK: frinti s1, s2               ; encoding: [0x41,0xc0,0x27,0x1e]
 378 ; CHECK: frinti d1, d2               ; encoding: [0x41,0xc0,0x67,0x1e]
 379
 380   frintm s1, s2
 381   frintm d1, d2
 382
 383 ; CHECK: frintm s1, s2               ; encoding: [0x41,0x40,0x25,0x1e]
 384 ; CHECK: frintm d1, d2               ; encoding: [0x41,0x40,0x65,0x1e]
 385
 386   frintn s1, s2
 387   frintn d1, d2
 388
 389 ; CHECK: frintn s1, s2               ; encoding: [0x41,0x40,0x24,0x1e]
 390 ; CHECK: frintn d1, d2               ; encoding: [0x41,0x40,0x64,0x1e]
 391
 392   frintp s1, s2
 393   frintp d1, d2
 394
 395 ; CHECK: frintp s1, s2               ; encoding: [0x41,0xc0,0x24,0x1e]
 396 ; CHECK: frintp d1, d2               ; encoding: [0x41,0xc0,0x64,0x1e]
 397
 398   frintx s1, s2
 399   frintx d1, d2
 400
 401 ; CHECK: frintx s1, s2               ; encoding: [0x41,0x40,0x27,0x1e]
 402 ; CHECK: frintx d1, d2               ; encoding: [0x41,0x40,0x67,0x1e]
 403
 404   frintz s1, s2
 405   frintz d1, d2
 406
 407 ; CHECK: frintz s1, s2               ; encoding: [0x41,0xc0,0x25,0x1e]
 408 ; CHECK: frintz d1, d2               ; encoding: [0x41,0xc0,0x65,0x1e]
 409
 410   cmhs d0, d0, d0
 411   cmtst d0, d0, d0
 412
 413 ; CHECK: cmhs   d0, d0, d0              ; encoding: [0x00,0x3c,0xe0,0x7e]
 414 ; CHECK: cmtst  d0, d0, d0              ; encoding: [0x00,0x8c,0xe0,0x5e]
 415
 416
 417
 418 ;-----------------------------------------------------------------------------
 419 ; Floating-point extract and narrow
 420 ;-----------------------------------------------------------------------------
 421   sqxtn b4, h2
 422   sqxtn h2, s3
 423   sqxtn s9, d2
 424
 425 ; CHECK: sqxtn b4, h2                  ; encoding: [0x44,0x48,0x21,0x5e]
 426 ; CHECK: sqxtn h2, s3                  ; encoding: [0x62,0x48,0x61,0x5e]
 427 ; CHECK: sqxtn s9, d2                  ; encoding: [0x49,0x48,0xa1,0x5e]
 428
 429   sqxtun b4, h2
 430   sqxtun h2, s3
 431   sqxtun s9, d2
 432
 433 ; CHECK: sqxtun b4, h2                  ; encoding: [0x44,0x28,0x21,0x7e]
 434 ; CHECK: sqxtun h2, s3                  ; encoding: [0x62,0x28,0x61,0x7e]
 435 ; CHECK: sqxtun s9, d2                  ; encoding: [0x49,0x28,0xa1,0x7e]
 436
 437   uqxtn b4, h2
 438   uqxtn h2, s3
 439   uqxtn s9, d2
 440
 441 ; CHECK: uqxtn b4, h2                  ; encoding: [0x44,0x48,0x21,0x7e]
 442 ; CHECK: uqxtn h2, s3                  ; encoding: [0x62,0x48,0x61,0x7e]
 443 ; CHECK: uqxtn s9, d2                  ; encoding: [0x49,0x48,0xa1,0x7e]