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Add Faddp (vector) instruction

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This commit is contained in:
gdkchan 2018-04-04 22:13:10 -03:00
parent 9754836c1b
commit 45c078d782
2 changed files with 33 additions and 0 deletions
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1
ChocolArm64/AOpCodeTable.cs
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@ -165,6 +165,7 @@ namespace ChocolArm64
Set("000111100x100000110000xxxxxxxxxx", AInstEmit.Fabs_S, typeof(AOpCodeSimd));
Set("000111100x1xxxxx001010xxxxxxxxxx", AInstEmit.Fadd_S, typeof(AOpCodeSimdReg));
Set("0>0011100<1xxxxx110101xxxxxxxxxx", AInstEmit.Fadd_V, typeof(AOpCodeSimdReg));
Set("0>1011100<1xxxxx110101xxxxxxxxxx", AInstEmit.Faddp_V, typeof(AOpCodeSimdReg));
Set("000111100x1xxxxxxxxx01xxxxx0xxxx", AInstEmit.Fccmp_S, typeof(AOpCodeSimdFcond));
Set("000111100x1xxxxxxxxx01xxxxx1xxxx", AInstEmit.Fccmpe_S, typeof(AOpCodeSimdFcond));
Set("000111100x1xxxxx001000xxxxx0x000", AInstEmit.Fcmp_S, typeof(AOpCodeSimdReg));

32
ChocolArm64/Instruction/AInstEmitSimdArithmetic.cs
View file

@ -129,6 +129,38 @@ namespace ChocolArm64.Instruction
EmitVectorBinaryOpF(Context, () => Context.Emit(OpCodes.Add));
}
public static void Faddp_V(AILEmitterCtx Context)
{
AOpCodeSimdReg Op = (AOpCodeSimdReg)Context.CurrOp;
int SizeF = Op.Size & 1;
int Bytes = Context.CurrOp.GetBitsCount() >> 3;
int Elems = Bytes >> SizeF + 2;
int Half = Elems >> 1;
for (int Index = 0; Index < Elems; Index++)
{
int Elem = (Index & (Half - 1)) << 1;
EmitVectorExtractF(Context, Index < Half ? Op.Rn : Op.Rm, Elem + 0, SizeF);
EmitVectorExtractF(Context, Index < Half ? Op.Rn : Op.Rm, Elem + 1, SizeF);
Context.Emit(OpCodes.Add);
EmitVectorInsertTmpF(Context, Index, SizeF);
}
Context.EmitLdvectmp();
Context.EmitStvec(Op.Rd);
if (Op.RegisterSize == ARegisterSize.SIMD64)
{
EmitVectorZeroUpper(Context, Op.Rd);
}
}
public static void Fdiv_S(AILEmitterCtx Context)
{
EmitScalarBinaryOpF(Context, () => Context.Emit(OpCodes.Div));