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Merge eeb86d4135 into 27023e7afc

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greggameplayer 2018-08-27 16:26:18 +00:00 • committed by GitHub
commit a823d08f8f
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 35 additions and 1 deletions
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1
ChocolArm64/AOpCodeTable.cs
View file

@ -255,6 +255,7 @@ namespace ChocolArm64
SetA64("x00111100x110000000000xxxxxxxxxx", AInstEmit.Fcvtms_Gp, typeof(AOpCodeSimdCvt));
SetA64("x00111100x110001000000xxxxxxxxxx", AInstEmit.Fcvtmu_Gp, typeof(AOpCodeSimdCvt));
SetA64("0x0011100x100001011010xxxxxxxxxx", AInstEmit.Fcvtn_V, typeof(AOpCodeSimd));
SetA64("0x0011100x100001101010xxxxxxxxxx", AInstEmit.Fcvtns_V, typeof(AOpCodeSimd));
SetA64("x00111100x101000000000xxxxxxxxxx", AInstEmit.Fcvtps_Gp, typeof(AOpCodeSimdCvt));
SetA64("x00111100x101001000000xxxxxxxxxx", AInstEmit.Fcvtpu_Gp, typeof(AOpCodeSimdCvt));
SetA64("x00111100x111000000000xxxxxxxxxx", AInstEmit.Fcvtzs_Gp, typeof(AOpCodeSimdCvt));

35
ChocolArm64/Instruction/AInstEmitSimdCvt.cs
View file

@ -105,6 +105,39 @@ namespace ChocolArm64.Instruction
EmitVectorZeroUpper(Context, Op.Rd);
}
}
public static void Fcvtns_V(AILEmitterCtx Context)
{
AOpCodeSimd Op = (AOpCodeSimd)Context.CurrOp;
int SizeF = Op.Size & 1;
int Elems = 4 >> SizeF;
for (int Index = 0; Index < Elems; Index++)
{
EmitVectorExtractF(Context, Op.Rd, Index, SizeF);
EmitRoundMathCall(Context, MidpointRounding.ToEven);
if (Op.RegisterSize == ARegisterSize.SIMD64)
{
Context.Emit(OpCodes.Conv_I4);
}
else if (Op.RegisterSize == ARegisterSize.SIMD128)
{
Context.Emit(OpCodes.Conv_I8);
}
EmitVectorInsertF(Context, Op.Rd, Index, 0);
}
if (Op.RegisterSize == ARegisterSize.SIMD64)
{
EmitVectorZeroUpper(Context, Op.Rd);
}
}
public static void Fcvtps_Gp(AILEmitterCtx Context)
{
@ -569,4 +602,4 @@ namespace ChocolArm64.Instruction
}
}
}
}
}