test/MC/AMDGPU/dl-insts-err.s

   1 // RUN: not llvm-mc -arch=amdgcn -mcpu=gfx800 -show-encoding %s 2>&1 | FileCheck %s
   2 // RUN: not llvm-mc -arch=amdgcn -mcpu=gfx900 -show-encoding %s 2>&1 | FileCheck %s
   3 // RUN: not llvm-mc -arch=amdgcn -mcpu=gfx906 -show-encoding %s 2>&1 | FileCheck %s --check-prefix=GFX906
   4
   5 //
   6 // Test unsupported GPUs.
   7 //
   8
   9 // CHECK: error: instruction not supported on this GPU
  10 v_fmac_f32 v0, v1, v2
  11 // CHECK: error: instruction not supported on this GPU
  12 v_xnor_b32 v0, v1, v2
  13 // CHECK: error: instruction not supported on this GPU
  14 v_dot2_f32_f16 v0, v1, v2, v3
  15 // CHECK: error: instruction not supported on this GPU
  16 v_dot2_i32_i16 v0, v1, v2, v3
  17 // CHECK: error: instruction not supported on this GPU
  18 v_dot2_u32_u16 v0, v1, v2, v3
  19 // CHECK: error: instruction not supported on this GPU
  20 v_dot4_i32_i8 v0, v1, v2, v3
  21 // CHECK: error: instruction not supported on this GPU
  22 v_dot4_u32_u8 v0, v1, v2, v3
  23 // CHECK: error: instruction not supported on this GPU
  24 v_dot8_i32_i4 v0, v1, v2, v3
  25 // CHECK: error: instruction not supported on this GPU
  26 v_dot8_u32_u4 v0, v1, v2, v3
  27
  28 //
  29 // Test invalid operands.
  30 //
  31
  32 // GFX906: error: failed parsing operand
  33 v_dot2_f32_f16 v0, v1, v2, v3 op_sel
  34 // GFX906: error: failed parsing operand
  35 v_dot2_f32_f16 v0, v1, v2, v3 op_sel:
  36 // GFX906: error: failed parsing operand
  37 v_dot2_f32_f16 v0, v1, v2, v3 op_sel:[
  38 // GFX906: error: failed parsing operand
  39 v_dot2_f32_f16 v0, v1, v2, v3 op_sel:]
  40 // GFX906: error: failed parsing operand
  41 v_dot2_f32_f16 v0, v1, v2, v3 op_sel:[]
  42 // GFX906: error: failed parsing operand
  43 v_dot2_f32_f16 v0, v1, v2, v3 op_sel:[,]
  44 // GFX906: error: failed parsing operand
  45 v_dot2_f32_f16 v0, v1, v2, v3 op_sel:[,0]
  46 // GFX906: error: failed parsing operand
  47 v_dot2_f32_f16 v0, v1, v2, v3 op_sel:[0,2]
  48 // GFX906: error: failed parsing operand
  49 v_dot2_f32_f16 v0, v1, v2, v3 op_sel:[2,0]
  50 // GFX906: error: failed parsing operand
  51 v_dot2_f32_f16 v0, v1, v2, v3 op_sel:[2,2]
  52 // GFX906: error: failed parsing operand
  53 v_dot2_f32_f16 v0, v1, v2, v3 op_sel:[0,-1]
  54 // GFX906: error: failed parsing operand
  55 v_dot2_f32_f16 v0, v1, v2, v3 op_sel:[-1,0]
  56 // GFX906: error: failed parsing operand
  57 v_dot2_f32_f16 v0, v1, v2, v3 op_sel:[-1,-1]
  58 // GFX906: error: not a valid operand
  59 v_dot2_f32_f16 v0, v1, v2, v3 op_sel:[0,0,0,0,0]
  60 // GFX906: error: failed parsing operand
  61 v_dot2_f32_f16 v0, v1, v2, v3 op_sel_hi
  62 // GFX906: error: failed parsing operand
  63 v_dot2_f32_f16 v0, v1, v2, v3 op_sel_hi:
  64 // GFX906: error: failed parsing operand
  65 v_dot2_f32_f16 v0, v1, v2, v3 op_sel_hi:[
  66 // GFX906: error: failed parsing operand
  67 v_dot2_f32_f16 v0, v1, v2, v3 op_sel_hi:]
  68 // GFX906: error: failed parsing operand
  69 v_dot2_f32_f16 v0, v1, v2, v3 op_sel_hi:[]
  70 // GFX906: error: failed parsing operand
  71 v_dot2_f32_f16 v0, v1, v2, v3 op_sel_hi:[,]
  72 // GFX906: error: failed parsing operand
  73 v_dot2_f32_f16 v0, v1, v2, v3 op_sel_hi:[,0]
  74 // GFX906: error: failed parsing operand
  75 v_dot2_f32_f16 v0, v1, v2, v3 op_sel_hi:[0,2]
  76 // GFX906: error: failed parsing operand
  77 v_dot2_f32_f16 v0, v1, v2, v3 op_sel_hi:[2,0]
  78 // GFX906: error: failed parsing operand
  79 v_dot2_f32_f16 v0, v1, v2, v3 op_sel_hi:[2,2]
  80 // GFX906: error: failed parsing operand
  81 v_dot2_f32_f16 v0, v1, v2, v3 op_sel_hi:[0,-1]
  82 // GFX906: error: failed parsing operand
  83 v_dot2_f32_f16 v0, v1, v2, v3 op_sel_hi:[-1,0]
  84 // GFX906: error: failed parsing operand
  85 v_dot2_f32_f16 v0, v1, v2, v3 op_sel_hi:[-1,-1]
  86 // GFX906: error: not a valid operand
  87 v_dot2_f32_f16 v0, v1, v2, v3 op_sel_hi:[0,0,0,0,0]
  88 // GFX906: error: failed parsing operand
  89 v_dot2_f32_f16 v0, v1, v2, v3 neg_lo
  90 // GFX906: error: failed parsing operand
  91 v_dot2_f32_f16 v0, v1, v2, v3 neg_lo:
  92 // GFX906: error: failed parsing operand
  93 v_dot2_f32_f16 v0, v1, v2, v3 neg_lo:[
  94 // GFX906: error: failed parsing operand
  95 v_dot2_f32_f16 v0, v1, v2, v3 neg_lo:]
  96 // GFX906: error: failed parsing operand
  97 v_dot2_f32_f16 v0, v1, v2, v3 neg_lo:[]
  98 // GFX906: error: failed parsing operand
  99 v_dot2_f32_f16 v0, v1, v2, v3 neg_lo:[,]
 100 // GFX906: error: failed parsing operand
 101 v_dot2_f32_f16 v0, v1, v2, v3 neg_lo:[,0]
 102 // GFX906: error: failed parsing operand
 103 v_dot2_f32_f16 v0, v1, v2, v3 neg_lo:[0,2]
 104 // GFX906: error: failed parsing operand
 105 v_dot2_f32_f16 v0, v1, v2, v3 neg_lo:[2,0]
 106 // GFX906: error: failed parsing operand
 107 v_dot2_f32_f16 v0, v1, v2, v3 neg_lo:[2,2]
 108 // GFX906: error: failed parsing operand
 109 v_dot2_f32_f16 v0, v1, v2, v3 neg_lo:[0,-1]
 110 // GFX906: error: failed parsing operand
 111 v_dot2_f32_f16 v0, v1, v2, v3 neg_lo:[-1,0]
 112 // GFX906: error: failed parsing operand
 113 v_dot2_f32_f16 v0, v1, v2, v3 neg_lo:[-1,-1]
 114 // GFX906: error: not a valid operand
 115 v_dot2_f32_f16 v0, v1, v2, v3 neg_lo:[0,0,0,0,0]
 116 // GFX906: error: failed parsing operand
 117 v_dot2_f32_f16 v0, v1, v2, v3 neg_hi
 118 // GFX906: error: failed parsing operand
 119 v_dot2_f32_f16 v0, v1, v2, v3 neg_hi:
 120 // GFX906: error: failed parsing operand
 121 v_dot2_f32_f16 v0, v1, v2, v3 neg_hi:[
 122 // GFX906: error: failed parsing operand
 123 v_dot2_f32_f16 v0, v1, v2, v3 neg_hi:]
 124 // GFX906: error: failed parsing operand
 125 v_dot2_f32_f16 v0, v1, v2, v3 neg_hi:[]
 126 // GFX906: error: failed parsing operand
 127 v_dot2_f32_f16 v0, v1, v2, v3 neg_hi:[,]
 128 // GFX906: error: failed parsing operand
 129 v_dot2_f32_f16 v0, v1, v2, v3 neg_hi:[,0]
 130 // GFX906: error: failed parsing operand
 131 v_dot2_f32_f16 v0, v1, v2, v3 neg_hi:[0,2]
 132 // GFX906: error: failed parsing operand
 133 v_dot2_f32_f16 v0, v1, v2, v3 neg_hi:[2,0]
 134 // GFX906: error: failed parsing operand
 135 v_dot2_f32_f16 v0, v1, v2, v3 neg_hi:[2,2]
 136 // GFX906: error: failed parsing operand
 137 v_dot2_f32_f16 v0, v1, v2, v3 neg_hi:[0,-1]
 138 // GFX906: error: failed parsing operand
 139 v_dot2_f32_f16 v0, v1, v2, v3 neg_hi:[-1,0]
 140 // GFX906: error: failed parsing operand
 141 v_dot2_f32_f16 v0, v1, v2, v3 neg_hi:[-1,-1]
 142 // GFX906: error: not a valid operand
 143 v_dot2_f32_f16 v0, v1, v2, v3 neg_hi:[0,0,0,0,0]
 144 // GFX906: error: failed parsing operand
 145 v_dot2_i32_i16 v0, v1, v2, v3 op_sel
 146 // GFX906: error: failed parsing operand
 147 v_dot2_i32_i16 v0, v1, v2, v3 op_sel:
 148 // GFX906: error: failed parsing operand
 149 v_dot2_i32_i16 v0, v1, v2, v3 op_sel:[
 150 // GFX906: error: failed parsing operand
 151 v_dot2_i32_i16 v0, v1, v2, v3 op_sel:]
 152 // GFX906: error: failed parsing operand
 153 v_dot2_i32_i16 v0, v1, v2, v3 op_sel:[]
 154 // GFX906: error: failed parsing operand
 155 v_dot2_i32_i16 v0, v1, v2, v3 op_sel:[,]
 156 // GFX906: error: failed parsing operand
 157 v_dot2_i32_i16 v0, v1, v2, v3 op_sel:[,0]
 158 // GFX906: error: failed parsing operand
 159 v_dot2_i32_i16 v0, v1, v2, v3 op_sel:[0,2]
 160 // GFX906: error: failed parsing operand
 161 v_dot2_i32_i16 v0, v1, v2, v3 op_sel:[2,0]
 162 // GFX906: error: failed parsing operand
 163 v_dot2_i32_i16 v0, v1, v2, v3 op_sel:[2,2]
 164 // GFX906: error: failed parsing operand
 165 v_dot2_i32_i16 v0, v1, v2, v3 op_sel:[0,-1]
 166 // GFX906: error: failed parsing operand
 167 v_dot2_i32_i16 v0, v1, v2, v3 op_sel:[-1,0]
 168 // GFX906: error: failed parsing operand
 169 v_dot2_i32_i16 v0, v1, v2, v3 op_sel:[-1,-1]
 170 // GFX906: error: not a valid operand
 171 v_dot2_i32_i16 v0, v1, v2, v3 op_sel:[0,0,0,0,0]
 172 // GFX906: error: failed parsing operand
 173 v_dot2_i32_i16 v0, v1, v2, v3 op_sel_hi
 174 // GFX906: error: failed parsing operand
 175 v_dot2_i32_i16 v0, v1, v2, v3 op_sel_hi:
 176 // GFX906: error: failed parsing operand
 177 v_dot2_i32_i16 v0, v1, v2, v3 op_sel_hi:[
 178 // GFX906: error: failed parsing operand
 179 v_dot2_i32_i16 v0, v1, v2, v3 op_sel_hi:]
 180 // GFX906: error: failed parsing operand
 181 v_dot2_i32_i16 v0, v1, v2, v3 op_sel_hi:[]
 182 // GFX906: error: failed parsing operand
 183 v_dot2_i32_i16 v0, v1, v2, v3 op_sel_hi:[,]
 184 // GFX906: error: failed parsing operand
 185 v_dot2_i32_i16 v0, v1, v2, v3 op_sel_hi:[,0]
 186 // GFX906: error: failed parsing operand
 187 v_dot2_i32_i16 v0, v1, v2, v3 op_sel_hi:[0,2]
 188 // GFX906: error: failed parsing operand
 189 v_dot2_i32_i16 v0, v1, v2, v3 op_sel_hi:[2,0]
 190 // GFX906: error: failed parsing operand
 191 v_dot2_i32_i16 v0, v1, v2, v3 op_sel_hi:[2,2]
 192 // GFX906: error: failed parsing operand
 193 v_dot2_i32_i16 v0, v1, v2, v3 op_sel_hi:[0,-1]
 194 // GFX906: error: failed parsing operand
 195 v_dot2_i32_i16 v0, v1, v2, v3 op_sel_hi:[-1,0]
 196 // GFX906: error: failed parsing operand
 197 v_dot2_i32_i16 v0, v1, v2, v3 op_sel_hi:[-1,-1]
 198 // GFX906: error: not a valid operand
 199 v_dot2_i32_i16 v0, v1, v2, v3 op_sel_hi:[0,0,0,0,0]
 200 // FIXME-GFX906: error: invalid operand for instruction
 201 v_dot2_i32_i16 v0, v1, v2, v3 neg_lo:[0,0]
 202 // FIXME-GFX906: error: invalid operand for instruction
 203 v_dot2_i32_i16 v0, v1, v2, v3 neg_hi:[0,0]
 204 // GFX906: error: failed parsing operand
 205 v_dot2_u32_u16 v0, v1, v2, v3 op_sel
 206 // GFX906: error: failed parsing operand
 207 v_dot2_u32_u16 v0, v1, v2, v3 op_sel:
 208 // GFX906: error: failed parsing operand
 209 v_dot2_u32_u16 v0, v1, v2, v3 op_sel:[
 210 // GFX906: error: failed parsing operand
 211 v_dot2_u32_u16 v0, v1, v2, v3 op_sel:]
 212 // GFX906: error: failed parsing operand
 213 v_dot2_u32_u16 v0, v1, v2, v3 op_sel:[]
 214 // GFX906: error: failed parsing operand
 215 v_dot2_u32_u16 v0, v1, v2, v3 op_sel:[,]
 216 // GFX906: error: failed parsing operand
 217 v_dot2_u32_u16 v0, v1, v2, v3 op_sel:[,0]
 218 // GFX906: error: failed parsing operand
 219 v_dot2_u32_u16 v0, v1, v2, v3 op_sel:[0,2]
 220 // GFX906: error: failed parsing operand
 221 v_dot2_u32_u16 v0, v1, v2, v3 op_sel:[2,0]
 222 // GFX906: error: failed parsing operand
 223 v_dot2_u32_u16 v0, v1, v2, v3 op_sel:[2,2]
 224 // GFX906: error: failed parsing operand
 225 v_dot2_u32_u16 v0, v1, v2, v3 op_sel:[0,-1]
 226 // GFX906: error: failed parsing operand
 227 v_dot2_u32_u16 v0, v1, v2, v3 op_sel:[-1,0]
 228 // GFX906: error: failed parsing operand
 229 v_dot2_u32_u16 v0, v1, v2, v3 op_sel:[-1,-1]
 230 // GFX906: error: not a valid operand
 231 v_dot2_u32_u16 v0, v1, v2, v3 op_sel:[0,0,0,0,0]
 232 // GFX906: error: failed parsing operand
 233 v_dot2_u32_u16 v0, v1, v2, v3 op_sel_hi
 234 // GFX906: error: failed parsing operand
 235 v_dot2_u32_u16 v0, v1, v2, v3 op_sel_hi:
 236 // GFX906: error: failed parsing operand
 237 v_dot2_u32_u16 v0, v1, v2, v3 op_sel_hi:[
 238 // GFX906: error: failed parsing operand
 239 v_dot2_u32_u16 v0, v1, v2, v3 op_sel_hi:]
 240 // GFX906: error: failed parsing operand
 241 v_dot2_u32_u16 v0, v1, v2, v3 op_sel_hi:[]
 242 // GFX906: error: failed parsing operand
 243 v_dot2_u32_u16 v0, v1, v2, v3 op_sel_hi:[,]
 244 // GFX906: error: failed parsing operand
 245 v_dot2_u32_u16 v0, v1, v2, v3 op_sel_hi:[,0]
 246 // GFX906: error: failed parsing operand
 247 v_dot2_u32_u16 v0, v1, v2, v3 op_sel_hi:[0,2]
 248 // GFX906: error: failed parsing operand
 249 v_dot2_u32_u16 v0, v1, v2, v3 op_sel_hi:[2,0]
 250 // GFX906: error: failed parsing operand
 251 v_dot2_u32_u16 v0, v1, v2, v3 op_sel_hi:[2,2]
 252 // GFX906: error: failed parsing operand
 253 v_dot2_u32_u16 v0, v1, v2, v3 op_sel_hi:[0,-1]
 254 // GFX906: error: failed parsing operand
 255 v_dot2_u32_u16 v0, v1, v2, v3 op_sel_hi:[-1,0]
 256 // GFX906: error: failed parsing operand
 257 v_dot2_u32_u16 v0, v1, v2, v3 op_sel_hi:[-1,-1]
 258 // GFX906: error: not a valid operand
 259 v_dot2_u32_u16 v0, v1, v2, v3 op_sel_hi:[0,0,0,0,0]
 260 // FIXME-GFX906: error: invalid operand for instruction
 261 v_dot2_u32_u16 v0, v1, v2, v3 neg_lo:[0,0]
 262 // FIXME-GFX906: error: invalid operand for instruction
 263 v_dot2_u32_u16 v0, v1, v2, v3 neg_hi:[0,0]
 264
 265 //
 266 // Test regular modifiers.
 267 //
 268
 269 // GFX906: error: not a valid operand
 270 v_dot2_f32_f16 v0, |v1|, v2, v3
 271 // GFX906: error: not a valid operand
 272 v_dot2_f32_f16 v0, v1, |v2|, v3
 273 // GFX906: error: not a valid operand
 274 v_dot2_f32_f16 v0, v1, v2, |v3|
 275 // GFX906: error: not a valid operand
 276 v_dot2_f32_f16 v0, |v1|, |v2|, v3
 277 // GFX906: error: not a valid operand
 278 v_dot2_f32_f16 v0, |v1|, v2, |v3|
 279 // GFX906: error: not a valid operand
 280 v_dot2_f32_f16 v0, |v1|, |v2|, |v3|
 281 // GFX906: error: invalid operand for instruction
 282 v_dot2_f32_f16 v0, abs(v1), v2, v3
 283 // GFX906: error: invalid operand for instruction
 284 v_dot2_f32_f16 v0, v1, abs(v2), v3
 285 // GFX906: error: invalid operand for instruction
 286 v_dot2_f32_f16 v0, v1, v2, abs(v3)
 287 // GFX906: error: invalid operand for instruction
 288 v_dot2_f32_f16 v0, abs(v1), abs(v2), v3
 289 // GFX906: error: invalid operand for instruction
 290 v_dot2_f32_f16 v0, abs(v1), v2, abs(v3)
 291 // GFX906: error: invalid operand for instruction
 292 v_dot2_f32_f16 v0, abs(v1), abs(v2), abs(v3)
 293 // GFX906: error: invalid operand for instruction
 294 v_dot2_f32_f16 v0, -v1, v2, v3
 295 // GFX906: error: invalid operand for instruction
 296 v_dot2_f32_f16 v0, v1, -v2, v3
 297 // GFX906: error: invalid operand for instruction
 298 v_dot2_f32_f16 v0, v1, v2, -v3
 299 // GFX906: error: invalid operand for instruction
 300 v_dot2_f32_f16 v0, -v1, -v2, v3
 301 // GFX906: error: invalid operand for instruction
 302 v_dot2_f32_f16 v0, -v1, v2, -v3
 303 // GFX906: error: invalid operand for instruction
 304 v_dot2_f32_f16 v0, -v1, -v2, -v3
 305 // GFX906: error: not a valid operand
 306 v_dot2_i32_i16 v0, |v1|, v2, v3
 307 // GFX906: error: not a valid operand
 308 v_dot2_i32_i16 v0, v1, |v2|, v3
 309 // GFX906: error: not a valid operand
 310 v_dot2_i32_i16 v0, v1, v2, |v3|
 311 // GFX906: error: not a valid operand
 312 v_dot2_i32_i16 v0, |v1|, |v2|, v3
 313 // GFX906: error: not a valid operand
 314 v_dot2_i32_i16 v0, |v1|, v2, |v3|
 315 // GFX906: error: not a valid operand
 316 v_dot2_i32_i16 v0, |v1|, |v2|, |v3|
 317 // GFX906: error: invalid operand for instruction
 318 v_dot2_i32_i16 v0, abs(v1), v2, v3
 319 // GFX906: error: invalid operand for instruction
 320 v_dot2_i32_i16 v0, v1, abs(v2), v3
 321 // GFX906: error: invalid operand for instruction
 322 v_dot2_i32_i16 v0, v1, v2, abs(v3)
 323 // GFX906: error: invalid operand for instruction
 324 v_dot2_i32_i16 v0, abs(v1), abs(v2), v3
 325 // GFX906: error: invalid operand for instruction
 326 v_dot2_i32_i16 v0, abs(v1), v2, abs(v3)
 327 // GFX906: error: invalid operand for instruction
 328 v_dot2_i32_i16 v0, abs(v1), abs(v2), abs(v3)
 329 // GFX906: error: invalid operand for instruction
 330 v_dot2_i32_i16 v0, -v1, v2, v3
 331 // GFX906: error: invalid operand for instruction
 332 v_dot2_i32_i16 v0, v1, -v2, v3
 333 // GFX906: error: invalid operand for instruction
 334 v_dot2_i32_i16 v0, v1, v2, -v3
 335 // GFX906: error: invalid operand for instruction
 336 v_dot2_i32_i16 v0, -v1, -v2, v3
 337 // GFX906: error: invalid operand for instruction
 338 v_dot2_i32_i16 v0, -v1, v2, -v3
 339 // GFX906: error: invalid operand for instruction
 340 v_dot2_i32_i16 v0, -v1, -v2, -v3
 341 // GFX906: error: not a valid operand
 342 v_dot2_u32_u16 v0, |v1|, v2, v3
 343 // GFX906: error: not a valid operand
 344 v_dot2_u32_u16 v0, v1, |v2|, v3
 345 // GFX906: error: not a valid operand
 346 v_dot2_u32_u16 v0, v1, v2, |v3|
 347 // GFX906: error: not a valid operand
 348 v_dot2_u32_u16 v0, |v1|, |v2|, v3
 349 // GFX906: error: not a valid operand
 350 v_dot2_u32_u16 v0, |v1|, v2, |v3|
 351 // GFX906: error: not a valid operand
 352 v_dot2_u32_u16 v0, |v1|, |v2|, |v3|
 353 // GFX906: error: invalid operand for instruction
 354 v_dot2_u32_u16 v0, abs(v1), v2, v3
 355 // GFX906: error: invalid operand for instruction
 356 v_dot2_u32_u16 v0, v1, abs(v2), v3
 357 // GFX906: error: invalid operand for instruction
 358 v_dot2_u32_u16 v0, v1, v2, abs(v3)
 359 // GFX906: error: invalid operand for instruction
 360 v_dot2_u32_u16 v0, abs(v1), abs(v2), v3
 361 // GFX906: error: invalid operand for instruction
 362 v_dot2_u32_u16 v0, abs(v1), v2, abs(v3)
 363 // GFX906: error: invalid operand for instruction
 364 v_dot2_u32_u16 v0, abs(v1), abs(v2), abs(v3)
 365 // GFX906: error: invalid operand for instruction
 366 v_dot2_u32_u16 v0, -v1, v2, v3
 367 // GFX906: error: invalid operand for instruction
 368 v_dot2_u32_u16 v0, v1, -v2, v3
 369 // GFX906: error: invalid operand for instruction
 370 v_dot2_u32_u16 v0, v1, v2, -v3
 371 // GFX906: error: invalid operand for instruction
 372 v_dot2_u32_u16 v0, -v1, -v2, v3
 373 // GFX906: error: invalid operand for instruction
 374 v_dot2_u32_u16 v0, -v1, v2, -v3
 375 // GFX906: error: invalid operand for instruction
 376 v_dot2_u32_u16 v0, -v1, -v2, -v3
 377
 378 //
 379 // Test constant bus restrictions.
 380 //
 381
 382 // GFX906: error: invalid operand (violates constant bus restrictions)
 383 v_dot2_f32_f16 v255, s1, s2, s3
 384 // GFX906: error: invalid operand (violates constant bus restrictions)
 385 v_dot2_i32_i16 v255, s1, s2, s3
 386 // GFX906: error: invalid operand (violates constant bus restrictions)
 387 v_dot2_u32_u16 v255, s1, s2, s3