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      1 // RUN: llvm-mc -triple=arm64 -mattr=+neon,+fullfp16 -show-encoding < %s | FileCheck %s
      2 
      3 // Check that the assembler can handle the documented syntax for AArch64
      4 
      5 //------------------------------------------------------------------------------
      6 // Instructions with 2 vectors and an element
      7 //------------------------------------------------------------------------------
      8 
      9         mla v0.2s, v1.2s, v2.s[2]
     10         mla v0.2s, v1.2s, v22.s[2]
     11         mla v3.4s, v8.4s, v2.s[1]
     12         mla v3.4s, v8.4s, v22.s[3]
     13 
     14 // CHECK: mla	v0.2s, v1.2s, v2.s[2]   // encoding: [0x20,0x08,0x82,0x2f]
     15 // CHECK: mla	v0.2s, v1.2s, v22.s[2]  // encoding: [0x20,0x08,0x96,0x2f]
     16 // CHECK: mla	v3.4s, v8.4s, v2.s[1]   // encoding: [0x03,0x01,0xa2,0x6f]
     17 // CHECK: mla	v3.4s, v8.4s, v22.s[3]  // encoding: [0x03,0x09,0xb6,0x6f]
     18 
     19         mla v0.4h, v1.4h, v2.h[2]
     20         mla v0.4h, v1.4h, v15.h[2]
     21         mla v0.8h, v1.8h, v2.h[7]
     22         mla v0.8h, v1.8h, v14.h[6]
     23 
     24 // CHECK: mla	v0.4h, v1.4h, v2.h[2]   // encoding: [0x20,0x00,0x62,0x2f]
     25 // CHECK: mla	v0.4h, v1.4h, v15.h[2]  // encoding: [0x20,0x00,0x6f,0x2f]
     26 // CHECK: mla	v0.8h, v1.8h, v2.h[7]   // encoding: [0x20,0x08,0x72,0x6f]
     27 // CHECK: mla	v0.8h, v1.8h, v14.h[6]  // encoding: [0x20,0x08,0x6e,0x6f]
     28 
     29         mls v0.2s, v1.2s, v2.s[2]
     30         mls v0.2s, v1.2s, v22.s[2]
     31         mls v3.4s, v8.4s, v2.s[1]
     32         mls v3.4s, v8.4s, v22.s[3]
     33 
     34 // CHECK: mls	v0.2s, v1.2s, v2.s[2]   // encoding: [0x20,0x48,0x82,0x2f]
     35 // CHECK: mls	v0.2s, v1.2s, v22.s[2]  // encoding: [0x20,0x48,0x96,0x2f]
     36 // CHECK: mls	v3.4s, v8.4s, v2.s[1]   // encoding: [0x03,0x41,0xa2,0x6f]
     37 // CHECK: mls	v3.4s, v8.4s, v22.s[3]  // encoding: [0x03,0x49,0xb6,0x6f]
     38 
     39         mls v0.4h, v1.4h, v2.h[2]
     40         mls v0.4h, v1.4h, v15.h[2]
     41         mls v0.8h, v1.8h, v2.h[7]
     42         mls v0.8h, v1.8h, v14.h[6]
     43 
     44 // CHECK: mls	v0.4h, v1.4h, v2.h[2]   // encoding: [0x20,0x40,0x62,0x2f]
     45 // CHECK: mls	v0.4h, v1.4h, v15.h[2]  // encoding: [0x20,0x40,0x6f,0x2f]
     46 // CHECK: mls	v0.8h, v1.8h, v2.h[7]   // encoding: [0x20,0x48,0x72,0x6f]
     47 // CHECK: mls	v0.8h, v1.8h, v14.h[6]  // encoding: [0x20,0x48,0x6e,0x6f]
     48 
     49         fmla v0.4h, v1.4h, v2.h[2]
     50         fmla v3.8h, v8.8h, v2.h[1]
     51         fmla v0.2s, v1.2s, v2.s[2]
     52         fmla v0.2s, v1.2s, v22.s[2]
     53         fmla v3.4s, v8.4s, v2.s[1]
     54         fmla v3.4s, v8.4s, v22.s[3]
     55         fmla v0.2d, v1.2d, v2.d[1]
     56         fmla v0.2d, v1.2d, v22.d[1]
     57 
     58 // CHECK: fmla    v0.4h, v1.4h, v2.h[2]   // encoding: [0x20,0x10,0x22,0x0f]
     59 // CHECK: fmla    v3.8h, v8.8h, v2.h[1]   // encoding: [0x03,0x11,0x12,0x4f]
     60 // CHECK: fmla	v0.2s, v1.2s, v2.s[2]   // encoding: [0x20,0x18,0x82,0x0f]
     61 // CHECK: fmla	v0.2s, v1.2s, v22.s[2]  // encoding: [0x20,0x18,0x96,0x0f]
     62 // CHECK: fmla	v3.4s, v8.4s, v2.s[1]   // encoding: [0x03,0x11,0xa2,0x4f]
     63 // CHECK: fmla	v3.4s, v8.4s, v22.s[3]  // encoding: [0x03,0x19,0xb6,0x4f]
     64 // CHECK: fmla	v0.2d, v1.2d, v2.d[1]   // encoding: [0x20,0x18,0xc2,0x4f]
     65 // CHECK: fmla	v0.2d, v1.2d, v22.d[1]  // encoding: [0x20,0x18,0xd6,0x4f]
     66 
     67         fmls v0.4h, v1.4h, v2.h[2]
     68         fmls v3.8h, v8.8h, v2.h[1]
     69         fmls v0.2s, v1.2s, v2.s[2]
     70         fmls v0.2s, v1.2s, v22.s[2]
     71         fmls v3.4s, v8.4s, v2.s[1]
     72         fmls v3.4s, v8.4s, v22.s[3]
     73         fmls v0.2d, v1.2d, v2.d[1]
     74         fmls v0.2d, v1.2d, v22.d[1]
     75 
     76 // CHECK: fmls    v0.4h, v1.4h, v2.h[2]   // encoding: [0x20,0x50,0x22,0x0f]
     77 // CHECK: fmls    v3.8h, v8.8h, v2.h[1]   // encoding: [0x03,0x51,0x12,0x4f]
     78 // CHECK: fmls	v0.2s, v1.2s, v2.s[2]   // encoding: [0x20,0x58,0x82,0x0f]
     79 // CHECK: fmls	v0.2s, v1.2s, v22.s[2]  // encoding: [0x20,0x58,0x96,0x0f]
     80 // CHECK: fmls	v3.4s, v8.4s, v2.s[1]   // encoding: [0x03,0x51,0xa2,0x4f]
     81 // CHECK: fmls	v3.4s, v8.4s, v22.s[3]  // encoding: [0x03,0x59,0xb6,0x4f]
     82 // CHECK: fmls	v0.2d, v1.2d, v2.d[1]   // encoding: [0x20,0x58,0xc2,0x4f]
     83 // CHECK: fmls	v0.2d, v1.2d, v22.d[1]  // encoding: [0x20,0x58,0xd6,0x4f]
     84 
     85         smlal v0.4s, v1.4h, v2.h[2]
     86         smlal v0.2d, v1.2s, v2.s[2]
     87         smlal v0.2d, v1.2s, v22.s[2]
     88         smlal2 v0.4s, v1.8h, v1.h[2]
     89         smlal2 v0.2d, v1.4s, v1.s[2]
     90         smlal2 v0.2d, v1.4s, v22.s[2]
     91 
     92 // CHECK: smlal	v0.4s, v1.4h, v2.h[2]   // encoding: [0x20,0x20,0x62,0x0f]
     93 // CHECK: smlal	v0.2d, v1.2s, v2.s[2]   // encoding: [0x20,0x28,0x82,0x0f]
     94 // CHECK: smlal	v0.2d, v1.2s, v22.s[2]  // encoding: [0x20,0x28,0x96,0x0f]
     95 // CHECK: smlal2	v0.4s, v1.8h, v1.h[2]   // encoding: [0x20,0x20,0x61,0x4f]
     96 // CHECK: smlal2	v0.2d, v1.4s, v1.s[2]   // encoding: [0x20,0x28,0x81,0x4f]
     97 // CHECK: smlal2	v0.2d, v1.4s, v22.s[2]  // encoding: [0x20,0x28,0x96,0x4f]
     98 
     99         smlsl v0.4s, v1.4h, v2.h[2]
    100         smlsl v0.2d, v1.2s, v2.s[2]
    101         smlsl v0.2d, v1.2s, v22.s[2]
    102         smlsl2 v0.4s, v1.8h, v1.h[2]
    103         smlsl2 v0.2d, v1.4s, v1.s[2]
    104         smlsl2 v0.2d, v1.4s, v22.s[2]
    105 
    106 // CHECK: smlsl	v0.4s, v1.4h, v2.h[2]   // encoding: [0x20,0x60,0x62,0x0f]
    107 // CHECK: smlsl	v0.2d, v1.2s, v2.s[2]   // encoding: [0x20,0x68,0x82,0x0f]
    108 // CHECK: smlsl	v0.2d, v1.2s, v22.s[2]  // encoding: [0x20,0x68,0x96,0x0f]
    109 // CHECK: smlsl2	v0.4s, v1.8h, v1.h[2]   // encoding: [0x20,0x60,0x61,0x4f]
    110 // CHECK: smlsl2	v0.2d, v1.4s, v1.s[2]   // encoding: [0x20,0x68,0x81,0x4f]
    111 // CHECK: smlsl2	v0.2d, v1.4s, v22.s[2]  // encoding: [0x20,0x68,0x96,0x4f]
    112 
    113         sqdmlal v0.4s, v1.4h, v2.h[2]
    114         sqdmlal v0.2d, v1.2s, v2.s[2]
    115         sqdmlal v0.2d, v1.2s, v22.s[2]
    116         sqdmlal2 v0.4s, v1.8h, v1.h[2]
    117         sqdmlal2 v0.2d, v1.4s, v1.s[2]
    118         sqdmlal2 v0.2d, v1.4s, v22.s[2]
    119 
    120 // CHECK: sqdmlal	v0.4s, v1.4h, v2.h[2]   // encoding: [0x20,0x30,0x62,0x0f]
    121 // CHECK: sqdmlal	v0.2d, v1.2s, v2.s[2]   // encoding: [0x20,0x38,0x82,0x0f]
    122 // CHECK: sqdmlal	v0.2d, v1.2s, v22.s[2]  // encoding: [0x20,0x38,0x96,0x0f]
    123 // CHECK: sqdmlal2	v0.4s, v1.8h, v1.h[2] // encoding: [0x20,0x30,0x61,0x4f]
    124 // CHECK: sqdmlal2	v0.2d, v1.4s, v1.s[2] // encoding: [0x20,0x38,0x81,0x4f]
    125 // CHECK: sqdmlal2	v0.2d, v1.4s, v22.s[2] // encoding: [0x20,0x38,0x96,0x4f]
    126 
    127         umlal v0.4s, v1.4h, v2.h[2]
    128         umlal v0.2d, v1.2s, v2.s[2]
    129         umlal v0.2d, v1.2s, v22.s[2]
    130         umlal2 v0.4s, v1.8h, v1.h[2]
    131         umlal2 v0.2d, v1.4s, v1.s[2]
    132         umlal2 v0.2d, v1.4s, v22.s[2]
    133 
    134 // CHECK: umlal	v0.4s, v1.4h, v2.h[2]   // encoding: [0x20,0x20,0x62,0x2f]
    135 // CHECK: umlal	v0.2d, v1.2s, v2.s[2]   // encoding: [0x20,0x28,0x82,0x2f]
    136 // CHECK: umlal	v0.2d, v1.2s, v22.s[2]  // encoding: [0x20,0x28,0x96,0x2f]
    137 // CHECK: umlal2	v0.4s, v1.8h, v1.h[2]   // encoding: [0x20,0x20,0x61,0x6f]
    138 // CHECK: umlal2	v0.2d, v1.4s, v1.s[2]   // encoding: [0x20,0x28,0x81,0x6f]
    139 // CHECK: umlal2	v0.2d, v1.4s, v22.s[2]  // encoding: [0x20,0x28,0x96,0x6f]
    140 
    141         umlsl v0.4s, v1.4h, v2.h[2]
    142         umlsl v0.2d, v1.2s, v2.s[2]
    143         umlsl v0.2d, v1.2s, v22.s[2]
    144         umlsl2 v0.4s, v1.8h, v1.h[2]
    145         umlsl2 v0.2d, v1.4s, v1.s[2]
    146         umlsl2 v0.2d, v1.4s, v22.s[2]
    147 
    148 // CHECK: umlsl	v0.4s, v1.4h, v2.h[2]   // encoding: [0x20,0x60,0x62,0x2f]
    149 // CHECK: umlsl	v0.2d, v1.2s, v2.s[2]   // encoding: [0x20,0x68,0x82,0x2f]
    150 // CHECK: umlsl	v0.2d, v1.2s, v22.s[2]  // encoding: [0x20,0x68,0x96,0x2f]
    151 // CHECK: umlsl2	v0.4s, v1.8h, v1.h[2]   // encoding: [0x20,0x60,0x61,0x6f]
    152 // CHECK: umlsl2	v0.2d, v1.4s, v1.s[2]   // encoding: [0x20,0x68,0x81,0x6f]
    153 // CHECK: umlsl2	v0.2d, v1.4s, v22.s[2]  // encoding: [0x20,0x68,0x96,0x6f]
    154 
    155         sqdmlsl v0.4s, v1.4h, v2.h[2]
    156         sqdmlsl v0.2d, v1.2s, v2.s[2]
    157         sqdmlsl v0.2d, v1.2s, v22.s[2]
    158         sqdmlsl2 v0.4s, v1.8h, v1.h[2]
    159         sqdmlsl2 v0.2d, v1.4s, v1.s[2]
    160         sqdmlsl2 v0.2d, v1.4s, v22.s[2]
    161 
    162 // CHECK: sqdmlsl	v0.4s, v1.4h, v2.h[2]   // encoding: [0x20,0x70,0x62,0x0f]
    163 // CHECK: sqdmlsl	v0.2d, v1.2s, v2.s[2]   // encoding: [0x20,0x78,0x82,0x0f]
    164 // CHECK: sqdmlsl	v0.2d, v1.2s, v22.s[2]  // encoding: [0x20,0x78,0x96,0x0f]
    165 // CHECK: sqdmlsl2	v0.4s, v1.8h, v1.h[2] // encoding: [0x20,0x70,0x61,0x4f]
    166 // CHECK: sqdmlsl2	v0.2d, v1.4s, v1.s[2] // encoding: [0x20,0x78,0x81,0x4f]
    167 // CHECK: sqdmlsl2	v0.2d, v1.4s, v22.s[2] // encoding: [0x20,0x78,0x96,0x4f]
    168 
    169         mul v0.4h, v1.4h, v2.h[2]
    170         mul v0.8h, v1.8h, v2.h[2]
    171         mul v0.2s, v1.2s, v2.s[2]
    172         mul v0.2s, v1.2s, v22.s[2]
    173         mul v0.4s, v1.4s, v2.s[2]
    174         mul v0.4s, v1.4s, v22.s[2]
    175 
    176 // CHECK: mul	v0.4h, v1.4h, v2.h[2]   // encoding: [0x20,0x80,0x62,0x0f]
    177 // CHECK: mul	v0.8h, v1.8h, v2.h[2]   // encoding: [0x20,0x80,0x62,0x4f]
    178 // CHECK: mul	v0.2s, v1.2s, v2.s[2]   // encoding: [0x20,0x88,0x82,0x0f]
    179 // CHECK: mul	v0.2s, v1.2s, v22.s[2]  // encoding: [0x20,0x88,0x96,0x0f]
    180 // CHECK: mul	v0.4s, v1.4s, v2.s[2]   // encoding: [0x20,0x88,0x82,0x4f]
    181 // CHECK: mul	v0.4s, v1.4s, v22.s[2]  // encoding: [0x20,0x88,0x96,0x4f]
    182 
    183         fmul v0.4h, v1.4h, v2.h[2]
    184         fmul v0.8h, v1.8h, v2.h[2]
    185         fmul v0.2s, v1.2s, v2.s[2]
    186         fmul v0.2s, v1.2s, v22.s[2]
    187         fmul v0.4s, v1.4s, v2.s[2]
    188         fmul v0.4s, v1.4s, v22.s[2]
    189         fmul v0.2d, v1.2d, v2.d[1]
    190         fmul v0.2d, v1.2d, v22.d[1]
    191 
    192 // CHECK: fmul    v0.4h, v1.4h, v2.h[2]   // encoding: [0x20,0x90,0x22,0x0f]
    193 // CHECK: fmul    v0.8h, v1.8h, v2.h[2]   // encoding: [0x20,0x90,0x22,0x4f]
    194 // CHECK: fmul	v0.2s, v1.2s, v2.s[2]   // encoding: [0x20,0x98,0x82,0x0f]
    195 // CHECK: fmul	v0.2s, v1.2s, v22.s[2]  // encoding: [0x20,0x98,0x96,0x0f]
    196 // CHECK: fmul	v0.4s, v1.4s, v2.s[2]   // encoding: [0x20,0x98,0x82,0x4f]
    197 // CHECK: fmul	v0.4s, v1.4s, v22.s[2]  // encoding: [0x20,0x98,0x96,0x4f]
    198 // CHECK: fmul	v0.2d, v1.2d, v2.d[1]   // encoding: [0x20,0x98,0xc2,0x4f]
    199 // CHECK: fmul	v0.2d, v1.2d, v22.d[1]  // encoding: [0x20,0x98,0xd6,0x4f]
    200 
    201         fmulx v0.4h, v1.4h, v2.h[2]
    202         fmulx v0.8h, v1.8h, v2.h[2]
    203         fmulx v0.2s, v1.2s, v2.s[2]
    204         fmulx v0.2s, v1.2s, v22.s[2]
    205         fmulx v0.4s, v1.4s, v2.s[2]
    206         fmulx v0.4s, v1.4s, v22.s[2]
    207         fmulx v0.2d, v1.2d, v2.d[1]
    208         fmulx v0.2d, v1.2d, v22.d[1]
    209 
    210 // CHECK: fmulx   v0.4h, v1.4h, v2.h[2]   // encoding: [0x20,0x90,0x22,0x2f]
    211 // CHECK: fmulx   v0.8h, v1.8h, v2.h[2]   // encoding: [0x20,0x90,0x22,0x6f]
    212 // CHECK: fmulx	v0.2s, v1.2s, v2.s[2]   // encoding: [0x20,0x98,0x82,0x2f]
    213 // CHECK: fmulx	v0.2s, v1.2s, v22.s[2]  // encoding: [0x20,0x98,0x96,0x2f]
    214 // CHECK: fmulx	v0.4s, v1.4s, v2.s[2]   // encoding: [0x20,0x98,0x82,0x6f]
    215 // CHECK: fmulx	v0.4s, v1.4s, v22.s[2]  // encoding: [0x20,0x98,0x96,0x6f]
    216 // CHECK: fmulx	v0.2d, v1.2d, v2.d[1]   // encoding: [0x20,0x98,0xc2,0x6f]
    217 // CHECK: fmulx	v0.2d, v1.2d, v22.d[1]  // encoding: [0x20,0x98,0xd6,0x6f]
    218 
    219         smull v0.4s, v1.4h, v2.h[2]
    220         smull v0.2d, v1.2s, v2.s[2]
    221         smull v0.2d, v1.2s, v22.s[2]
    222         smull2 v0.4s, v1.8h, v2.h[2]
    223         smull2 v0.2d, v1.4s, v2.s[2]
    224         smull2 v0.2d, v1.4s, v22.s[2]
    225 
    226 // CHECK: smull	v0.4s, v1.4h, v2.h[2]   // encoding: [0x20,0xa0,0x62,0x0f]
    227 // CHECK: smull	v0.2d, v1.2s, v2.s[2]   // encoding: [0x20,0xa8,0x82,0x0f]
    228 // CHECK: smull	v0.2d, v1.2s, v22.s[2]  // encoding: [0x20,0xa8,0x96,0x0f]
    229 // CHECK: smull2	v0.4s, v1.8h, v2.h[2]   // encoding: [0x20,0xa0,0x62,0x4f]
    230 // CHECK: smull2	v0.2d, v1.4s, v2.s[2]   // encoding: [0x20,0xa8,0x82,0x4f]
    231 // CHECK: smull2	v0.2d, v1.4s, v22.s[2]  // encoding: [0x20,0xa8,0x96,0x4f]
    232 
    233         umull v0.4s, v1.4h, v2.h[2]
    234         umull v0.2d, v1.2s, v2.s[2]
    235         umull v0.2d, v1.2s, v22.s[2]
    236         umull2 v0.4s, v1.8h, v2.h[2]
    237         umull2 v0.2d, v1.4s, v2.s[2]
    238         umull2 v0.2d, v1.4s, v22.s[2]
    239 
    240 // CHECK: umull	v0.4s, v1.4h, v2.h[2]   // encoding: [0x20,0xa0,0x62,0x2f]
    241 // CHECK: umull	v0.2d, v1.2s, v2.s[2]   // encoding: [0x20,0xa8,0x82,0x2f]
    242 // CHECK: umull	v0.2d, v1.2s, v22.s[2]  // encoding: [0x20,0xa8,0x96,0x2f]
    243 // CHECK: umull2	v0.4s, v1.8h, v2.h[2]   // encoding: [0x20,0xa0,0x62,0x6f]
    244 // CHECK: umull2	v0.2d, v1.4s, v2.s[2]   // encoding: [0x20,0xa8,0x82,0x6f]
    245 // CHECK: umull2	v0.2d, v1.4s, v22.s[2]  // encoding: [0x20,0xa8,0x96,0x6f]
    246 
    247         sqdmull v0.4s, v1.4h, v2.h[2]
    248         sqdmull v0.2d, v1.2s, v2.s[2]
    249         sqdmull v0.2d, v1.2s, v22.s[2]
    250         sqdmull2 v0.4s, v1.8h, v2.h[2]
    251         sqdmull2 v0.2d, v1.4s, v2.s[2]
    252         sqdmull2 v0.2d, v1.4s, v22.s[2]
    253 
    254 // CHECK: sqdmull	v0.4s, v1.4h, v2.h[2]   // encoding: [0x20,0xb0,0x62,0x0f]
    255 // CHECK: sqdmull	v0.2d, v1.2s, v2.s[2]   // encoding: [0x20,0xb8,0x82,0x0f]
    256 // CHECK: sqdmull	v0.2d, v1.2s, v22.s[2]  // encoding: [0x20,0xb8,0x96,0x0f]
    257 // CHECK: sqdmull2	v0.4s, v1.8h, v2.h[2] // encoding: [0x20,0xb0,0x62,0x4f]
    258 // CHECK: sqdmull2	v0.2d, v1.4s, v2.s[2] // encoding: [0x20,0xb8,0x82,0x4f]
    259 // CHECK: sqdmull2	v0.2d, v1.4s, v22.s[2] // encoding: [0x20,0xb8,0x96,0x4f]
    260 
    261         sqdmulh v0.4h, v1.4h, v2.h[2]
    262         sqdmulh v0.8h, v1.8h, v2.h[2]
    263         sqdmulh v0.2s, v1.2s, v2.s[2]
    264         sqdmulh v0.2s, v1.2s, v22.s[2]
    265         sqdmulh v0.4s, v1.4s, v2.s[2]
    266         sqdmulh v0.4s, v1.4s, v22.s[2]
    267 
    268 // CHECK: sqdmulh	v0.4h, v1.4h, v2.h[2]   // encoding: [0x20,0xc0,0x62,0x0f]
    269 // CHECK: sqdmulh	v0.8h, v1.8h, v2.h[2]   // encoding: [0x20,0xc0,0x62,0x4f]
    270 // CHECK: sqdmulh	v0.2s, v1.2s, v2.s[2]   // encoding: [0x20,0xc8,0x82,0x0f]
    271 // CHECK: sqdmulh	v0.2s, v1.2s, v22.s[2]  // encoding: [0x20,0xc8,0x96,0x0f]
    272 // CHECK: sqdmulh	v0.4s, v1.4s, v2.s[2]   // encoding: [0x20,0xc8,0x82,0x4f]
    273 // CHECK: sqdmulh	v0.4s, v1.4s, v22.s[2]  // encoding: [0x20,0xc8,0x96,0x4f]
    274 
    275         sqrdmulh v0.4h, v1.4h, v2.h[2]
    276         sqrdmulh v0.8h, v1.8h, v2.h[2]
    277         sqrdmulh v0.2s, v1.2s, v2.s[2]
    278         sqrdmulh v0.2s, v1.2s, v22.s[2]
    279         sqrdmulh v0.4s, v1.4s, v2.s[2]
    280         sqrdmulh v0.4s, v1.4s, v22.s[2]
    281 
    282 // CHECK: sqrdmulh	v0.4h, v1.4h, v2.h[2] // encoding: [0x20,0xd0,0x62,0x0f]
    283 // CHECK: sqrdmulh	v0.8h, v1.8h, v2.h[2] // encoding: [0x20,0xd0,0x62,0x4f]
    284 // CHECK: sqrdmulh	v0.2s, v1.2s, v2.s[2] // encoding: [0x20,0xd8,0x82,0x0f]
    285 // CHECK: sqrdmulh	v0.2s, v1.2s, v22.s[2] // encoding: [0x20,0xd8,0x96,0x0f]
    286 // CHECK: sqrdmulh	v0.4s, v1.4s, v2.s[2] // encoding: [0x20,0xd8,0x82,0x4f]
    287 // CHECK: sqrdmulh	v0.4s, v1.4s, v22.s[2] // encoding: [0x20,0xd8,0x96,0x4f]
    288