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Update Pseudocode.cs

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LDj3SNuD 2018-04-29 03:25:01 +02:00 • committed by GitHub
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Ryujinx.Tests/Cpu/Tester/Pseudocode.cs
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@ -104,6 +104,8 @@ namespace Ryujinx.Tests.Cpu.Tester
SP_EL0.SetAll(false); SP_EL0.SetAll(false);
/* SP_EL1 = bits(64) UNKNOWN; */ /* SP_EL1 = bits(64) UNKNOWN; */
SP_EL1.SetAll(false); SP_EL1.SetAll(false);
FPSR.SetAll(false); // FIXME: Temporary solution.
} }
// #impl-aarch64.SP.write.0 // #impl-aarch64.SP.write.0
@ -518,6 +520,8 @@ namespace Ryujinx.Tests.Cpu.Tester
SP_EL0 = new Bits(64, false); SP_EL0 = new Bits(64, false);
SP_EL1 = new Bits(64, false); SP_EL1 = new Bits(64, false);
FPSR = new Bits(32, false); // FIXME: Temporary solution.
PSTATE.N = false; PSTATE.N = false;
PSTATE.Z = false; PSTATE.Z = false;
PSTATE.C = false; PSTATE.C = false;
@ -1016,6 +1020,8 @@ namespace Ryujinx.Tests.Cpu.Tester
public static Bits SP_EL0; public static Bits SP_EL0;
public static Bits SP_EL1; public static Bits SP_EL1;
public static Bits FPSR; // FIXME: Temporary solution.
#endregion #endregion
#region "functions/system/" #region "functions/system/"
@ -1081,6 +1087,7 @@ namespace Ryujinx.Tests.Cpu.Tester
return true; // EL1 and EL0 must exist return true; // EL1 and EL0 must exist
} }
/* return boolean IMPLEMENTATION_DEFINED; */
return false; return false;
} }
@ -1113,5 +1120,65 @@ namespace Ryujinx.Tests.Cpu.Tester
public bool SP; // Stack pointer select: 0=SP0, 1=SPx [AArch64 only] public bool SP; // Stack pointer select: 0=SP0, 1=SPx [AArch64 only]
} }
#endregion #endregion
#region "functions/vector/"
// #impl-shared.SatQ.3
public static (Bits, bool) SatQ(BigInteger i, int N, bool unsigned)
{
(Bits result, bool sat) = (unsigned ? UnsignedSatQ(i, N) : SignedSatQ(i, N));
return (result, sat);
}
// #impl-shared.SignedSatQ.2
public static (Bits, bool) SignedSatQ(BigInteger i, int N)
{
BigInteger result;
bool saturated;
if (i > BigInteger.Pow(2, N - 1) - 1)
{
result = BigInteger.Pow(2, N - 1) - 1;
saturated = true;
}
else if (i < -(BigInteger.Pow(2, N - 1)))
{
result = -(BigInteger.Pow(2, N - 1));
saturated = true;
}
else
{
result = i;
saturated = false;
}
return (result.SubBigInteger(N - 1, 0), saturated);
}
// #impl-shared.UnsignedSatQ.2
public static (Bits, bool) UnsignedSatQ(BigInteger i, int N)
{
BigInteger result;
bool saturated;
if (i > BigInteger.Pow(2, N) - 1)
{
result = BigInteger.Pow(2, N) - 1;
saturated = true;
}
else if (i < 0)
{
result = 0;
saturated = true;
}
else
{
result = i;
saturated = false;
}
return (result.SubBigInteger(N - 1, 0), saturated);
}
#endregion
} }
} }