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Implement VRINT (vector) Arm32 NEON instructions (#3691)

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gdkchan 2022-09-11 12:44:27 -03:00 • committed by GitHub
parent 1529e6cf0d
commit 4d69286a9c
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4 changed files with 144 additions and 2 deletions
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6
ARMeilleure/Decoders/OpCodeTable.cs
View file

@ -791,7 +791,7 @@ namespace ARMeilleure.Decoders
SetA32("<<<<01101110xxxxxxxxxx000111xxxx", InstName.Uxtb, InstEmit32.Uxtb, OpCode32AluUx.Create);
SetA32("<<<<01101100xxxxxxxxxx000111xxxx", InstName.Uxtb16, InstEmit32.Uxtb16, OpCode32AluUx.Create);
SetA32("<<<<01101111xxxxxxxxxx000111xxxx", InstName.Uxth, InstEmit32.Uxth, OpCode32AluUx.Create);
// VFP
SetVfp("<<<<11101x110000xxxx101x11x0xxxx", InstName.Vabs, InstEmit32.Vabs_S, OpCode32SimdS.Create, OpCode32SimdS.CreateT32);
SetVfp("<<<<11100x11xxxxxxxx101xx0x0xxxx", InstName.Vadd, InstEmit32.Vadd_S, OpCode32SimdRegS.Create, OpCode32SimdRegS.CreateT32);
@ -959,6 +959,10 @@ namespace ARMeilleure.Decoders
SetA32("111100100x00xxxxxxxx1111xxx1xxxx", InstName.Vrecps, InstEmit32.Vrecps, OpCode32SimdReg.Create);
SetA32("111100111x11xx00xxxx000<<xx0xxxx", InstName.Vrev, InstEmit32.Vrev, OpCode32SimdRev.Create);
SetA32("1111001x0x<<xxxxxxxx0001xxx0xxxx", InstName.Vrhadd, InstEmit32.Vrhadd, OpCode32SimdReg.Create);
SetA32("111100111x111010xxxx01010xx0xxxx", InstName.Vrinta, InstEmit32.Vrinta_V, OpCode32SimdCmpZ.Create);
SetA32("111100111x111010xxxx01101xx0xxxx", InstName.Vrintm, InstEmit32.Vrintm_V, OpCode32SimdCmpZ.Create);
SetA32("111100111x111010xxxx01000xx0xxxx", InstName.Vrintn, InstEmit32.Vrintn_V, OpCode32SimdCmpZ.Create);
SetA32("111100111x111010xxxx01111xx0xxxx", InstName.Vrintp, InstEmit32.Vrintp_V, OpCode32SimdCmpZ.Create);
SetA32("1111001x1x>>>xxxxxxx0010>xx1xxxx", InstName.Vrshr, InstEmit32.Vrshr, OpCode32SimdShImm.Create);
SetA32("111100101x>>>xxxxxxx100001x1xxx0", InstName.Vrshrn, InstEmit32.Vrshrn, OpCode32SimdShImmNarrow.Create);
SetA32("111100111x111011xxxx010x1xx0xxxx", InstName.Vrsqrte, InstEmit32.Vrsqrte, OpCode32SimdSqrte.Create);

54
ARMeilleure/Instructions/InstEmitSimdCvt32.cs
View file

@ -323,6 +323,60 @@ namespace ARMeilleure.Instructions
}
}
// VRINTA (vector).
public static void Vrinta_V(ArmEmitterContext context)
{
EmitVectorUnaryOpF32(context, (m) => EmitRoundMathCall(context, MidpointRounding.AwayFromZero, m));
}
// VRINTM (vector).
public static void Vrintm_V(ArmEmitterContext context)
{
if (Optimizations.UseSse2)
{
EmitVectorUnaryOpSimd32(context, (m) =>
{
return context.AddIntrinsic(Intrinsic.X86Roundps, m, Const(X86GetRoundControl(FPRoundingMode.TowardsMinusInfinity)));
});
}
else
{
EmitVectorUnaryOpF32(context, (m) => EmitUnaryMathCall(context, nameof(Math.Floor), m));
}
}
// VRINTN (vector).
public static void Vrintn_V(ArmEmitterContext context)
{
if (Optimizations.UseSse2)
{
EmitVectorUnaryOpSimd32(context, (m) =>
{
return context.AddIntrinsic(Intrinsic.X86Roundps, m, Const(X86GetRoundControl(FPRoundingMode.ToNearest)));
});
}
else
{
EmitVectorUnaryOpF32(context, (m) => EmitRoundMathCall(context, MidpointRounding.ToEven, m));
}
}
// VRINTP (vector).
public static void Vrintp_V(ArmEmitterContext context)
{
if (Optimizations.UseSse2)
{
EmitVectorUnaryOpSimd32(context, (m) =>
{
return context.AddIntrinsic(Intrinsic.X86Roundps, m, Const(X86GetRoundControl(FPRoundingMode.TowardsPlusInfinity)));
});
}
else
{
EmitVectorUnaryOpF32(context, (m) => EmitUnaryMathCall(context, nameof(Math.Ceiling), m));
}
}
// VRINTZ (floating-point).
public static void Vrint_Z(ArmEmitterContext context)
{

4
ARMeilleure/Instructions/InstName.cs
View file

@ -636,6 +636,10 @@ namespace ARMeilleure.Instructions
Vrev,
Vrhadd,
Vrint,
Vrinta,
Vrintm,
Vrintn,
Vrintp,
Vrintx,
Vrshr,
Vrshrn,