diff options
Diffstat (limited to 'ChocolArm64/Decoder/AOpCodeSimdRegElemF.cs')
| -rw-r--r-- | ChocolArm64/Decoder/AOpCodeSimdRegElemF.cs | 27 |
1 files changed, 19 insertions, 8 deletions
diff --git a/ChocolArm64/Decoder/AOpCodeSimdRegElemF.cs b/ChocolArm64/Decoder/AOpCodeSimdRegElemF.cs index e61d7093..e0670def 100644 --- a/ChocolArm64/Decoder/AOpCodeSimdRegElemF.cs +++ b/ChocolArm64/Decoder/AOpCodeSimdRegElemF.cs @@ -8,15 +8,26 @@ namespace ChocolArm64.Decoder public AOpCodeSimdRegElemF(AInst Inst, long Position, int OpCode) : base(Inst, Position, OpCode) { - if ((Size & 1) != 0) + switch ((OpCode >> 21) & 3) // sz:L { - Index = (OpCode >> 11) & 1; - } - else - { - Index = (OpCode >> 21) & 1 | - (OpCode >> 10) & 2; + case 0: // H:0 + Index = (OpCode >> 10) & 2; // 0, 2 + + break; + + case 1: // H:1 + Index = (OpCode >> 10) & 2; + Index++; // 1, 3 + + break; + + case 2: // H + Index = (OpCode >> 11) & 1; // 0, 1 + + break; + + default: Emitter = AInstEmit.Und; return; } } } -}
\ No newline at end of file +} |