diff options
Diffstat (limited to 'ChocolArm64/Decoder/AOpCodeSimdRegElem.cs')
| -rw-r--r-- | ChocolArm64/Decoder/AOpCodeSimdRegElem.cs | 26 |
1 files changed, 19 insertions, 7 deletions
diff --git a/ChocolArm64/Decoder/AOpCodeSimdRegElem.cs b/ChocolArm64/Decoder/AOpCodeSimdRegElem.cs index d878b12e..127debd1 100644 --- a/ChocolArm64/Decoder/AOpCodeSimdRegElem.cs +++ b/ChocolArm64/Decoder/AOpCodeSimdRegElem.cs @@ -8,15 +8,27 @@ namespace ChocolArm64.Decoder public AOpCodeSimdRegElem(AInst Inst, long Position, int OpCode) : base(Inst, Position, OpCode) { - if ((Size & 1) != 0) + switch (Size) { - Index = (OpCode >> 11) & 1; - } - else - { - Index = (OpCode >> 21) & 1 | - (OpCode >> 10) & 2; + case 1: + Index = (OpCode >> 21) & 1 | + (OpCode >> 10) & 2 | + (OpCode >> 18) & 4; + + Rm &= 0xf; + + break; + + case 2: + Index = (OpCode >> 21) & 1 | + (OpCode >> 10) & 2; + + break; + + default: Emitter = AInstEmit.Und; return; } + + } } }
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