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CPU (A64): Add Fmaxnmp & Fminnmp Scalar Inst.s, Fast & Slow Paths; with Tests. (#1894)

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LDj3SNuD 2021-01-19 23:12:33 +01:00 • committed by GitHub
parent b8353f5639
commit c3e0c41da3
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7 changed files with 111 additions and 25 deletions
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58
ARMeilleure/Instructions/InstEmitSimdArithmetic.cs
View file

@ -347,19 +347,17 @@ namespace ARMeilleure.Instructions
public static void Faddp_S(ArmEmitterContext context)
{
OpCodeSimd op = (OpCodeSimd)context.CurrOp;
int sizeF = op.Size & 1;
if (Optimizations.FastFP && Optimizations.UseSse3)
{
if (sizeF == 0)
OpCodeSimd op = (OpCodeSimd)context.CurrOp;
if ((op.Size & 1) == 0)
{
Operand res = context.AddIntrinsic(Intrinsic.X86Haddps, GetVec(op.Rn), GetVec(op.Rn));
context.Copy(GetVec(op.Rd), context.VectorZeroUpper96(res));
}
else /* if (sizeF == 1) */
else /* if ((op.Size & 1) == 1) */
{
Operand res = context.AddIntrinsic(Intrinsic.X86Haddpd, GetVec(op.Rn), GetVec(op.Rn));
@ -368,14 +366,10 @@ namespace ARMeilleure.Instructions
}
else
{
OperandType type = sizeF != 0 ? OperandType.FP64 : OperandType.FP32;
Operand ne0 = context.VectorExtract(type, GetVec(op.Rn), 0);
Operand ne1 = context.VectorExtract(type, GetVec(op.Rn), 1);
Operand res = EmitSoftFloatCall(context, nameof(SoftFloat32.FPAdd), ne0, ne1);
context.Copy(GetVec(op.Rd), context.VectorInsert(context.VectorZero(), res, 0));
EmitScalarPairwiseOpF(context, (op1, op2) =>
{
return EmitSoftFloatCall(context, nameof(SoftFloat32.FPAdd), op1, op2);
});
}
}
@ -552,6 +546,24 @@ namespace ARMeilleure.Instructions
}
}
public static void Fmaxnmp_S(ArmEmitterContext context)
{
if (Optimizations.FastFP && Optimizations.UseSse41)
{
EmitSse2ScalarPairwiseOpF(context, (op1, op2) =>
{
return EmitSse41MaxMinNumOpF(context, isMaxNum: true, scalar: true, op1, op2);
});
}
else
{
EmitScalarPairwiseOpF(context, (op1, op2) =>
{
return EmitSoftFloatCall(context, nameof(SoftFloat32.FPMaxNum), op1, op2);
});
}
}
public static void Fmaxnmp_V(ArmEmitterContext context)
{
if (Optimizations.FastFP && Optimizations.UseSse41)
@ -708,6 +720,24 @@ namespace ARMeilleure.Instructions
}
}
public static void Fminnmp_S(ArmEmitterContext context)
{
if (Optimizations.FastFP && Optimizations.UseSse41)
{
EmitSse2ScalarPairwiseOpF(context, (op1, op2) =>
{
return EmitSse41MaxMinNumOpF(context, isMaxNum: false, scalar: true, op1, op2);
});
}
else
{
EmitScalarPairwiseOpF(context, (op1, op2) =>
{
return EmitSoftFloatCall(context, nameof(SoftFloat32.FPMinNum), op1, op2);
});
}
}
public static void Fminnmp_V(ArmEmitterContext context)
{
if (Optimizations.FastFP && Optimizations.UseSse41)

43
ARMeilleure/Instructions/InstEmitSimdHelper.cs
View file

@ -1118,6 +1118,49 @@ namespace ARMeilleure.Instructions
context.Copy(GetVec(op.Rd), context.VectorZeroUpper96(res));
}
public static void EmitScalarPairwiseOpF(ArmEmitterContext context, Func2I emit)
{
OpCodeSimd op = (OpCodeSimd)context.CurrOp;
OperandType type = (op.Size & 1) != 0 ? OperandType.FP64 : OperandType.FP32;
Operand ne0 = context.VectorExtract(type, GetVec(op.Rn), 0);
Operand ne1 = context.VectorExtract(type, GetVec(op.Rn), 1);
Operand res = context.VectorInsert(context.VectorZero(), emit(ne0, ne1), 0);
context.Copy(GetVec(op.Rd), res);
}
public static void EmitSse2ScalarPairwiseOpF(ArmEmitterContext context, Func2I emit)
{
OpCodeSimd op = (OpCodeSimd)context.CurrOp;
Operand n = GetVec(op.Rn);
Operand op0, op1;
if ((op.Size & 1) == 0)
{
const int sm0 = 2 << 6 | 2 << 4 | 2 << 2 | 0 << 0;
const int sm1 = 2 << 6 | 2 << 4 | 2 << 2 | 1 << 0;
Operand zeroN = context.VectorZeroUpper64(n);
op0 = context.AddIntrinsic(Intrinsic.X86Pshufd, zeroN, Const(sm0));
op1 = context.AddIntrinsic(Intrinsic.X86Pshufd, zeroN, Const(sm1));
}
else /* if ((op.Size & 1) == 1) */
{
Operand zero = context.VectorZero();
op0 = context.AddIntrinsic(Intrinsic.X86Movlhps, n, zero);
op1 = context.AddIntrinsic(Intrinsic.X86Movhlps, zero, n);
}
context.Copy(GetVec(op.Rd), emit(op0, op1));
}
public static void EmitVectorPairwiseOpF(ArmEmitterContext context, Func2I emit)
{
OpCodeSimdReg op = (OpCodeSimdReg)context.CurrOp;

2
ARMeilleure/Instructions/InstName.cs
View file

@ -212,6 +212,7 @@ namespace ARMeilleure.Instructions
Fmax_V,
Fmaxnm_S,
Fmaxnm_V,
Fmaxnmp_S,
Fmaxnmp_V,
Fmaxnmv_V,
Fmaxp_V,
@ -220,6 +221,7 @@ namespace ARMeilleure.Instructions
Fmin_V,
Fminnm_S,
Fminnm_V,
Fminnmp_S,
Fminnmp_V,
Fminnmv_V,
Fminp_V,