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authorTSR Berry <20988865+TSRBerry@users.noreply.github.com>2023-04-08 01:22:00 +0200
committerMary <thog@protonmail.com>2023-04-27 23:51:14 +0200
commitcee712105850ac3385cd0091a923438167433f9f (patch)
tree4a5274b21d8b7f938c0d0ce18736d3f2993b11b1 /src/ARMeilleure/Decoders/OpCode32SimdS.cs
parentcd124bda587ef09668a971fa1cac1c3f0cfc9f21 (diff)
Move solution and projects to src
Diffstat (limited to 'src/ARMeilleure/Decoders/OpCode32SimdS.cs')
-rw-r--r--src/ARMeilleure/Decoders/OpCode32SimdS.cs39
1 files changed, 39 insertions, 0 deletions
diff --git a/src/ARMeilleure/Decoders/OpCode32SimdS.cs b/src/ARMeilleure/Decoders/OpCode32SimdS.cs
new file mode 100644
index 00000000..63c03c01
--- /dev/null
+++ b/src/ARMeilleure/Decoders/OpCode32SimdS.cs
@@ -0,0 +1,39 @@
+namespace ARMeilleure.Decoders
+{
+ class OpCode32SimdS : OpCode32, IOpCode32Simd
+ {
+ public int Vd { get; protected set; }
+ public int Vm { get; protected set; }
+ public int Opc { get; protected set; } // "with_zero" (Opc<1>) [Vcmp, Vcmpe].
+ public int Opc2 { get; } // opc2 or RM (opc2<1:0>) [Vcvt, Vrint].
+ public int Size { get; protected set; }
+
+ public new static OpCode Create(InstDescriptor inst, ulong address, int opCode) => new OpCode32SimdS(inst, address, opCode, false);
+ public static OpCode CreateT32(InstDescriptor inst, ulong address, int opCode) => new OpCode32SimdS(inst, address, opCode, true);
+
+ public OpCode32SimdS(InstDescriptor inst, ulong address, int opCode, bool isThumb) : base(inst, address, opCode)
+ {
+ IsThumb = isThumb;
+
+ Opc = (opCode >> 15) & 0x3;
+ Opc2 = (opCode >> 16) & 0x7;
+
+ Size = (opCode >> 8) & 0x3;
+
+ bool single = Size != 3;
+
+ RegisterSize = single ? RegisterSize.Int32 : RegisterSize.Int64;
+
+ if (single)
+ {
+ Vm = ((opCode >> 5) & 0x1) | ((opCode << 1) & 0x1e);
+ Vd = ((opCode >> 22) & 0x1) | ((opCode >> 11) & 0x1e);
+ }
+ else
+ {
+ Vm = ((opCode >> 1) & 0x10) | ((opCode >> 0) & 0xf);
+ Vd = ((opCode >> 18) & 0x10) | ((opCode >> 12) & 0xf);
+ }
+ }
+ }
+}