diff options
Diffstat (limited to 'src/ARMeilleure/Decoders/OpCodeSimdRegElemF.cs')
| -rw-r--r-- | src/ARMeilleure/Decoders/OpCodeSimdRegElemF.cs | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/ARMeilleure/Decoders/OpCodeSimdRegElemF.cs b/src/ARMeilleure/Decoders/OpCodeSimdRegElemF.cs new file mode 100644 index 00000000..d46dd57e --- /dev/null +++ b/src/ARMeilleure/Decoders/OpCodeSimdRegElemF.cs @@ -0,0 +1,33 @@ +namespace ARMeilleure.Decoders +{ + class OpCodeSimdRegElemF : OpCodeSimdReg + { + public int Index { get; } + + public new static OpCode Create(InstDescriptor inst, ulong address, int opCode) => new OpCodeSimdRegElemF(inst, address, opCode); + + public OpCodeSimdRegElemF(InstDescriptor inst, ulong address, int opCode) : base(inst, address, opCode) + { + switch ((opCode >> 21) & 3) // sz:L + { + 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: Instruction = InstDescriptor.Undefined; break; + } + } + } +} |
