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Diffstat (limited to 'src/ARMeilleure/Instructions/InstEmitSimdArithmetic32.cs')
-rw-r--r--src/ARMeilleure/Instructions/InstEmitSimdArithmetic32.cs27
1 files changed, 27 insertions, 0 deletions
diff --git a/src/ARMeilleure/Instructions/InstEmitSimdArithmetic32.cs b/src/ARMeilleure/Instructions/InstEmitSimdArithmetic32.cs
index dc2646a5..c807fc85 100644
--- a/src/ARMeilleure/Instructions/InstEmitSimdArithmetic32.cs
+++ b/src/ARMeilleure/Instructions/InstEmitSimdArithmetic32.cs
@@ -1246,6 +1246,33 @@ namespace ARMeilleure.Instructions
EmitVectorUnaryNarrowOp32(context, (op1) => EmitSatQ(context, op1, 8 << op.Size, signedSrc: true, signedDst: false), signed: true);
}
+ public static void Vqrdmulh(ArmEmitterContext context)
+ {
+ OpCode32SimdReg op = (OpCode32SimdReg)context.CurrOp;
+ int eSize = 8 << op.Size;
+
+ EmitVectorBinaryOpI32(context, (op1, op2) =>
+ {
+ if (op.Size == 2)
+ {
+ op1 = context.SignExtend32(OperandType.I64, op1);
+ op2 = context.SignExtend32(OperandType.I64, op2);
+ }
+
+ Operand res = context.Multiply(op1, op2);
+ res = context.Add(res, Const(res.Type, 1L << (eSize - 2)));
+ res = context.ShiftRightSI(res, Const(eSize - 1));
+ res = EmitSatQ(context, res, eSize, signedSrc: true, signedDst: true);
+
+ if (op.Size == 2)
+ {
+ res = context.ConvertI64ToI32(res);
+ }
+
+ return res;
+ }, signed: true);
+ }
+
public static void Vqsub(ArmEmitterContext context)
{
OpCode32SimdReg op = (OpCode32SimdReg)context.CurrOp;