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Add scalar variants of FCVTZS/FCVTZU, fix a issue on Ryushader

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This commit is contained in:
gdkchan 2018-05-18 14:44:49 -03:00
parent b19c474082
commit 7ac5f40532
3 changed files with 57 additions and 1 deletions
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54
ChocolArm64/Instruction/AInstEmitSimdCvt.cs
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@ -126,6 +126,11 @@ namespace ChocolArm64.Instruction
EmitFcvtzs_Gp_Fix(Context);
}
public static void Fcvtzs_S(AILEmitterCtx Context)
{
EmitScalarFcvtzs(Context);
}
public static void Fcvtzs_V(AILEmitterCtx Context)
{
EmitVectorFcvtzs(Context);
@ -141,6 +146,11 @@ namespace ChocolArm64.Instruction
EmitFcvtzu_Gp_Fix(Context);
}
public static void Fcvtzu_S(AILEmitterCtx Context)
{
EmitScalarFcvtzu(Context);
}
public static void Fcvtzu_V(AILEmitterCtx Context)
{
EmitVectorFcvtzu(Context);
@ -353,6 +363,50 @@ namespace ChocolArm64.Instruction
}
}
private static void EmitScalarFcvtzs(AILEmitterCtx Context)
{
EmitScalarFcvtz(Context, true);
}
private static void EmitScalarFcvtzu(AILEmitterCtx Context)
{
EmitScalarFcvtz(Context, false);
}
private static void EmitScalarFcvtz(AILEmitterCtx Context, bool Signed)
{
AOpCodeSimd Op = (AOpCodeSimd)Context.CurrOp;
int SizeF = Op.Size & 1;
int SizeI = SizeF + 2;
int FBits = GetFBits(Context);
EmitVectorExtractF(Context, Op.Rn, 0, SizeF);
EmitF2iFBitsMul(Context, SizeF, FBits);
if (SizeF == 0)
{
AVectorHelper.EmitCall(Context, Signed
? nameof(AVectorHelper.SatF32ToS32)
: nameof(AVectorHelper.SatF32ToU32));
}
else /* if (SizeF == 1) */
{
AVectorHelper.EmitCall(Context, Signed
? nameof(AVectorHelper.SatF64ToS64)
: nameof(AVectorHelper.SatF64ToU64));
}
if (SizeF == 0)
{
Context.Emit(OpCodes.Conv_U8);
}
EmitScalarSet(Context, Op.Rd, SizeI);
}
private static void EmitVectorFcvtzs(AILEmitterCtx Context)
{
EmitVectorFcvtz(Context, true);