1 files changed, 69 insertions, 0 deletions
diff --git a/src/ARMeilleure/Instructions/InstEmitHash.cs b/src/ARMeilleure/Instructions/InstEmitHash.cs
new file mode 100644
index 00000000..82b3e353
--- /dev/null
+++ b/src/ARMeilleure/Instructions/InstEmitHash.cs
@@ -0,0 +1,69 @@
+using ARMeilleure.Decoders;
+using ARMeilleure.IntermediateRepresentation;
+using ARMeilleure.Translation;
+
+using static ARMeilleure.Instructions.InstEmitHashHelper;
+using static ARMeilleure.Instructions.InstEmitHelper;
+
+namespace ARMeilleure.Instructions
+{
+    static partial class InstEmit
+    {
+        private const int ByteSizeLog2 = 0;
+        private const int HWordSizeLog2 = 1;
+        private const int WordSizeLog2 = 2;
+        private const int DWordSizeLog2 = 3;
+
+        public static void Crc32b(ArmEmitterContext context)
+        {
+            EmitCrc32Call(context, ByteSizeLog2, false);
+        }
+
+        public static void Crc32h(ArmEmitterContext context)
+        {
+            EmitCrc32Call(context, HWordSizeLog2, false);
+        }
+
+        public static void Crc32w(ArmEmitterContext context)
+        {
+            EmitCrc32Call(context, WordSizeLog2, false);
+        }
+
+        public static void Crc32x(ArmEmitterContext context)
+        {
+            EmitCrc32Call(context, DWordSizeLog2, false);
+        }
+
+        public static void Crc32cb(ArmEmitterContext context)
+        {
+            EmitCrc32Call(context, ByteSizeLog2, true);
+        }
+
+        public static void Crc32ch(ArmEmitterContext context)
+        {
+            EmitCrc32Call(context, HWordSizeLog2, true);
+        }
+
+        public static void Crc32cw(ArmEmitterContext context)
+        {
+            EmitCrc32Call(context, WordSizeLog2, true);
+        }
+
+        public static void Crc32cx(ArmEmitterContext context)
+        {
+            EmitCrc32Call(context, DWordSizeLog2, true);
+        }
+
+        private static void EmitCrc32Call(ArmEmitterContext context, int size, bool c)
+        {
+            OpCodeAluBinary op = (OpCodeAluBinary)context.CurrOp;
+
+            Operand n = GetIntOrZR(context, op.Rn);
+            Operand m = GetIntOrZR(context, op.Rm);
+
+            Operand d = EmitCrc32(context, n, m, size, c);
+
+            SetIntOrZR(context, op.Rd, d);
+        }
+    }
+}