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-rw-r--r--ARMeilleure/Decoders/OpCode32SimdCvtTB.cs44
-rw-r--r--ARMeilleure/Decoders/OpCodeTable.cs1
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);