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CPU (A64): Add Scvtf_S_Fixed & Ucvtf_S_Fixed with Tests. (#1492)

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LDj3SNuD 2020-09-01 01:48:21 +02:00 • committed by GitHub
parent 4f3ae6f62c
commit 2cb8bd7006
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GPG key ID: 4AEE18F83AFDEB23
4 changed files with 88 additions and 22 deletions
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2
ARMeilleure/Decoders/OpCodeTable.cs
View file

@ -454,6 +454,7 @@ namespace ARMeilleure.Decoders
SetA64("x00111100x100010000000xxxxxxxxxx", InstName.Scvtf_Gp, InstEmit.Scvtf_Gp, typeof(OpCodeSimdCvt));
SetA64(">00111100x000010>xxxxxxxxxxxxxxx", InstName.Scvtf_Gp_Fixed, InstEmit.Scvtf_Gp_Fixed, typeof(OpCodeSimdCvt));
SetA64("010111100x100001110110xxxxxxxxxx", InstName.Scvtf_S, InstEmit.Scvtf_S, typeof(OpCodeSimd));
SetA64("010111110>>xxxxx111001xxxxxxxxxx", InstName.Scvtf_S_Fixed, InstEmit.Scvtf_S_Fixed, typeof(OpCodeSimdShImm));
SetA64("0>0011100<100001110110xxxxxxxxxx", InstName.Scvtf_V, InstEmit.Scvtf_V, typeof(OpCodeSimd));
SetA64("0x001111001xxxxx111001xxxxxxxxxx", InstName.Scvtf_V_Fixed, InstEmit.Scvtf_V_Fixed, typeof(OpCodeSimdShImm));
SetA64("0100111101xxxxxx111001xxxxxxxxxx", InstName.Scvtf_V_Fixed, InstEmit.Scvtf_V_Fixed, typeof(OpCodeSimdShImm));
@ -576,6 +577,7 @@ namespace ARMeilleure.Decoders
SetA64("x00111100x100011000000xxxxxxxxxx", InstName.Ucvtf_Gp, InstEmit.Ucvtf_Gp, typeof(OpCodeSimdCvt));
SetA64(">00111100x000011>xxxxxxxxxxxxxxx", InstName.Ucvtf_Gp_Fixed, InstEmit.Ucvtf_Gp_Fixed, typeof(OpCodeSimdCvt));
SetA64("011111100x100001110110xxxxxxxxxx", InstName.Ucvtf_S, InstEmit.Ucvtf_S, typeof(OpCodeSimd));
SetA64("011111110>>xxxxx111001xxxxxxxxxx", InstName.Ucvtf_S_Fixed, InstEmit.Ucvtf_S_Fixed, typeof(OpCodeSimdShImm));
SetA64("0>1011100<100001110110xxxxxxxxxx", InstName.Ucvtf_V, InstEmit.Ucvtf_V, typeof(OpCodeSimd));
SetA64("0x101111001xxxxx111001xxxxxxxxxx", InstName.Ucvtf_V_Fixed, InstEmit.Ucvtf_V_Fixed, typeof(OpCodeSimdShImm));
SetA64("0110111101xxxxxx111001xxxxxxxxxx", InstName.Ucvtf_V_Fixed, InstEmit.Ucvtf_V_Fixed, typeof(OpCodeSimdShImm));

52
ARMeilleure/Instructions/InstEmitSimdCvt.cs
View file

@ -494,15 +494,19 @@ namespace ARMeilleure.Instructions
}
else
{
OpCodeSimd op = (OpCodeSimd)context.CurrOp;
EmitCvtf(context, signed: true, scalar: true);
}
}
int sizeF = op.Size & 1;
Operand res = EmitVectorLongExtract(context, op.Rn, 0, sizeF + 2);
res = EmitFPConvert(context, res, op.Size, signed: true);
context.Copy(GetVec(op.Rd), context.VectorInsert(context.VectorZero(), res, 0));
public static void Scvtf_S_Fixed(ArmEmitterContext context)
{
if (Optimizations.UseSse2)
{
EmitSse2ScvtfOp(context, scalar: true);
}
else
{
EmitCvtf(context, signed: true, scalar: true);
}
}
@ -514,7 +518,7 @@ namespace ARMeilleure.Instructions
}
else
{
EmitVectorCvtf(context, signed: true);
EmitCvtf(context, signed: true, scalar: false);
}
}
@ -526,7 +530,7 @@ namespace ARMeilleure.Instructions
}
else
{
EmitVectorCvtf(context, signed: true);
EmitCvtf(context, signed: true, scalar: false);
}
}
@ -562,15 +566,19 @@ namespace ARMeilleure.Instructions
}
else
{
OpCodeSimd op = (OpCodeSimd)context.CurrOp;
EmitCvtf(context, signed: false, scalar: true);
}
}
int sizeF = op.Size & 1;
Operand ne = EmitVectorLongExtract(context, op.Rn, 0, sizeF + 2);
Operand res = EmitFPConvert(context, ne, sizeF, signed: false);
context.Copy(GetVec(op.Rd), context.VectorInsert(context.VectorZero(), res, 0));
public static void Ucvtf_S_Fixed(ArmEmitterContext context)
{
if (Optimizations.UseSse2)
{
EmitSse2UcvtfOp(context, scalar: true);
}
else
{
EmitCvtf(context, signed: false, scalar: true);
}
}
@ -582,7 +590,7 @@ namespace ARMeilleure.Instructions
}
else
{
EmitVectorCvtf(context, signed: false);
EmitCvtf(context, signed: false, scalar: false);
}
}
@ -594,7 +602,7 @@ namespace ARMeilleure.Instructions
}
else
{
EmitVectorCvtf(context, signed: false);
EmitCvtf(context, signed: false, scalar: false);
}
}
@ -742,7 +750,7 @@ namespace ARMeilleure.Instructions
SetIntOrZR(context, op.Rd, res);
}
private static void EmitVectorCvtf(ArmEmitterContext context, bool signed)
private static void EmitCvtf(ArmEmitterContext context, bool signed, bool scalar)
{
OpCodeSimd op = (OpCodeSimd)context.CurrOp;
@ -753,7 +761,7 @@ namespace ARMeilleure.Instructions
int fBits = GetFBits(context);
int elems = op.GetBytesCount() >> sizeI;
int elems = !scalar ? op.GetBytesCount() >> sizeI : 1;
for (int index = 0; index < elems; index++)
{

2
ARMeilleure/Instructions/InstName.cs
View file

@ -315,6 +315,7 @@ namespace ARMeilleure.Instructions
Scvtf_Gp,
Scvtf_Gp_Fixed,
Scvtf_S,
Scvtf_S_Fixed,
Scvtf_V,
Scvtf_V_Fixed,
Sha1c_V,
@ -414,6 +415,7 @@ namespace ARMeilleure.Instructions
Ucvtf_Gp,
Ucvtf_Gp_Fixed,
Ucvtf_S,
Ucvtf_S_Fixed,
Ucvtf_V,
Ucvtf_V_Fixed,
Uhadd_V,