diff options
Diffstat (limited to 'ARMeilleure/Decoders')
-rw-r--r-- | ARMeilleure/Decoders/OpCode32SimdCvtTB.cs | 44 | ||||
-rw-r--r-- | ARMeilleure/Decoders/OpCodeTable.cs | 1 |
2 files changed, 45 insertions, 0 deletions
diff --git a/ARMeilleure/Decoders/OpCode32SimdCvtTB.cs b/ARMeilleure/Decoders/OpCode32SimdCvtTB.cs new file mode 100644 index 00000000..a95b32ab --- /dev/null +++ b/ARMeilleure/Decoders/OpCode32SimdCvtTB.cs @@ -0,0 +1,44 @@ +namespace ARMeilleure.Decoders +{ + class OpCode32SimdCvtTB : OpCode32, IOpCode32Simd + { + public int Vd { get; } + public int Vm { get; } + public bool Op { get; } // Convert to Half / Convert from Half + public bool T { get; } // Top / Bottom + public int Size { get; } // Double / Single + + public new static OpCode Create(InstDescriptor inst, ulong address, int opCode) => new OpCode32SimdCvtTB(inst, address, opCode, false); + public static OpCode CreateT32(InstDescriptor inst, ulong address, int opCode) => new OpCode32SimdCvtTB(inst, address, opCode, true); + + public OpCode32SimdCvtTB(InstDescriptor inst, ulong address, int opCode, bool isThumb) : base(inst, address, opCode) + { + IsThumb = isThumb; + + Op = ((opCode >> 16) & 0x1) != 0; + T = ((opCode >> 7) & 0x1) != 0; + Size = ((opCode >> 8) & 0x1); + + RegisterSize = Size == 1 ? RegisterSize.Int64 : RegisterSize.Int32; + + if (Size == 1) + { + if (Op) + { + Vm = ((opCode >> 1) & 0x10) | ((opCode >> 0) & 0xf); + Vd = ((opCode >> 22) & 0x1) | ((opCode >> 11) & 0x1e); + } + else + { + Vm = ((opCode >> 5) & 0x1) | ((opCode << 1) & 0x1e); + Vd = ((opCode >> 18) & 0x10) | ((opCode >> 12) & 0xf); + } + } + else + { + Vm = ((opCode >> 5) & 0x1) | ((opCode << 1) & 0x1e); + Vd = ((opCode >> 22) & 0x1) | ((opCode >> 11) & 0x1e); + } + } + } +}
\ No newline at end of file diff --git a/ARMeilleure/Decoders/OpCodeTable.cs b/ARMeilleure/Decoders/OpCodeTable.cs index b4f4b179..f44c1540 100644 --- a/ARMeilleure/Decoders/OpCodeTable.cs +++ b/ARMeilleure/Decoders/OpCodeTable.cs @@ -828,6 +828,7 @@ namespace ARMeilleure.Decoders SetVfp("<<<<11101x11110xxxxx101x11x0xxxx", InstName.Vcvt, InstEmit32.Vcvt_FI, OpCode32SimdCvtFI.Create, OpCode32SimdCvtFI.CreateT32); // FP32 to int. SetVfp("<<<<11101x111000xxxx101xx1x0xxxx", InstName.Vcvt, InstEmit32.Vcvt_FI, OpCode32SimdCvtFI.Create, OpCode32SimdCvtFI.CreateT32); // Int to FP32. SetVfp("111111101x1111xxxxxx101xx1x0xxxx", InstName.Vcvt, InstEmit32.Vcvt_RM, OpCode32SimdCvtFI.Create, OpCode32SimdCvtFI.CreateT32); // The many FP32 to int encodings (fp). + SetVfp("<<<<11101x11001xxxxx101xx1x0xxxx", InstName.Vcvt, InstEmit32.Vcvt_TB, OpCode32SimdCvtTB.Create, OpCode32SimdCvtTB.CreateT32); SetVfp("<<<<11101x00xxxxxxxx101xx0x0xxxx", InstName.Vdiv, InstEmit32.Vdiv_S, OpCode32SimdRegS.Create, OpCode32SimdRegS.CreateT32); SetVfp("<<<<11101xx0xxxxxxxx1011x0x10000", InstName.Vdup, InstEmit32.Vdup, OpCode32SimdDupGP.Create, OpCode32SimdDupGP.CreateT32); SetVfp("<<<<11101x10xxxxxxxx101xx0x0xxxx", InstName.Vfma, InstEmit32.Vfma_S, OpCode32SimdRegS.Create, OpCode32SimdRegS.CreateT32); |