Fix cpu issue with cmp optimization, add HINT and FRINTX (scalar) instructions, fix for NvFlinger sometimes missing free buffers

This commit is contained in:
gdkchan 2018-02-24 11:19:28 -03:00
parent 3936c93448
commit 035efc913e
10 changed files with 96 additions and 24 deletions

View file

@ -265,6 +265,32 @@ namespace ChocolArm64.Instruction
});
}
public static void Frintx_S(AILEmitterCtx Context)
{
AOpCodeSimd Op = (AOpCodeSimd)Context.CurrOp;
EmitVectorExtractF(Context, Op.Rn, 0, Op.Size);
Context.EmitLdarg(ATranslatedSub.StateArgIdx);
Context.EmitCallPropGet(typeof(AThreadState), nameof(AThreadState.Fpcr));
if (Op.Size == 0)
{
ASoftFallback.EmitCall(Context, nameof(ASoftFallback.RoundF));
}
else if (Op.Size == 1)
{
ASoftFallback.EmitCall(Context, nameof(ASoftFallback.Round));
}
else
{
throw new InvalidOperationException();
}
EmitScalarSetF(Context, Op.Rd, Op.Size);
}
public static void Fsqrt_S(AILEmitterCtx Context)
{
EmitScalarUnaryOpF(Context, () =>

View file

@ -9,6 +9,11 @@ namespace ChocolArm64.Instruction
{
static partial class AInstEmit
{
public static void Hint(AILEmitterCtx Context)
{
//Execute as no-op.
}
public static void Mrs(AILEmitterCtx Context)
{
AOpCodeSystem Op = (AOpCodeSystem)Context.CurrOp;

View file

@ -189,6 +189,32 @@ namespace ChocolArm64.Instruction
(Value >> 6) & 1 + (Value >> 7);
}
public static float RoundF(float Value, int Fpcr)
{
switch ((ARoundMode)((Fpcr >> 22) & 3))
{
case ARoundMode.ToNearest: return MathF.Round (Value);
case ARoundMode.TowardsPlusInfinity: return MathF.Ceiling (Value);
case ARoundMode.TowardsMinusInfinity: return MathF.Floor (Value);
case ARoundMode.TowardsZero: return MathF.Truncate(Value);
}
throw new InvalidOperationException();
}
public static double Round(double Value, int Fpcr)
{
switch ((ARoundMode)((Fpcr >> 22) & 3))
{
case ARoundMode.ToNearest: return Math.Round (Value);
case ARoundMode.TowardsPlusInfinity: return Math.Ceiling (Value);
case ARoundMode.TowardsMinusInfinity: return Math.Floor (Value);
case ARoundMode.TowardsZero: return Math.Truncate(Value);
}
throw new InvalidOperationException();
}
public static AVec Tbl1_V64(AVec Vector, AVec Tb0)
{
return Tbl(Vector, 8, Tb0);