aboutsummaryrefslogtreecommitdiff
path: root/ARMeilleure/Decoders/OpCode32SimdMemMult.cs
diff options
context:
space:
mode:
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 /ARMeilleure/Decoders/OpCode32SimdMemMult.cs
parentcd124bda587ef09668a971fa1cac1c3f0cfc9f21 (diff)
Move solution and projects to src
Diffstat (limited to 'ARMeilleure/Decoders/OpCode32SimdMemMult.cs')
-rw-r--r--ARMeilleure/Decoders/OpCode32SimdMemMult.cs76
1 files changed, 0 insertions, 76 deletions
diff --git a/ARMeilleure/Decoders/OpCode32SimdMemMult.cs b/ARMeilleure/Decoders/OpCode32SimdMemMult.cs
deleted file mode 100644
index a16a03d3..00000000
--- a/ARMeilleure/Decoders/OpCode32SimdMemMult.cs
+++ /dev/null
@@ -1,76 +0,0 @@
-namespace ARMeilleure.Decoders
-{
- class OpCode32SimdMemMult : OpCode32
- {
- public int Rn { get; }
- public int Vd { get; }
-
- public int RegisterRange { get; }
- public int Offset { get; }
- public int PostOffset { get; }
- public bool IsLoad { get; }
- public bool DoubleWidth { get; }
- public bool Add { get; }
-
- public new static OpCode Create(InstDescriptor inst, ulong address, int opCode) => new OpCode32SimdMemMult(inst, address, opCode, false);
- public static OpCode CreateT32(InstDescriptor inst, ulong address, int opCode) => new OpCode32SimdMemMult(inst, address, opCode, true);
-
- public OpCode32SimdMemMult(InstDescriptor inst, ulong address, int opCode, bool isThumb) : base(inst, address, opCode)
- {
- IsThumb = isThumb;
-
- Rn = (opCode >> 16) & 0xf;
-
- bool isLoad = (opCode & (1 << 20)) != 0;
- bool w = (opCode & (1 << 21)) != 0;
- bool u = (opCode & (1 << 23)) != 0;
- bool p = (opCode & (1 << 24)) != 0;
-
- if (p == u && w)
- {
- Instruction = InstDescriptor.Undefined;
- return;
- }
-
- DoubleWidth = (opCode & (1 << 8)) != 0;
-
- if (!DoubleWidth)
- {
- Vd = ((opCode >> 22) & 0x1) | ((opCode >> 11) & 0x1e);
- }
- else
- {
- Vd = ((opCode >> 18) & 0x10) | ((opCode >> 12) & 0xf);
- }
-
- Add = u;
-
- RegisterRange = opCode & 0xff;
-
- int regsSize = RegisterRange * 4; // Double mode is still measured in single register size.
-
- if (!u)
- {
- Offset -= regsSize;
- }
-
- if (w)
- {
- PostOffset = u ? regsSize : -regsSize;
- }
- else
- {
- PostOffset = 0;
- }
-
- IsLoad = isLoad;
-
- int regs = DoubleWidth ? RegisterRange / 2 : RegisterRange;
-
- if (RegisterRange == 0 || RegisterRange > 32 || Vd + regs > 32)
- {
- Instruction = InstDescriptor.Undefined;
- }
- }
- }
-}