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Add MLA (vector by element), fixes some cases of MUL (vector by element)?

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This commit is contained in:
gdkchan 2018-03-15 22:36:47 -03:00
parent 08f761662b
commit f4f5d244f1
4 changed files with 17 additions and 5 deletions
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1
AOpCodeTable.cs
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@ -228,6 +228,7 @@ namespace ChocolArm64
Set("xx111100x11xxxxxxxxx10xxxxxxxxxx", AInstEmit.Ldr, typeof(AOpCodeSimdMemReg));
Set("xx011100xxxxxxxxxxxxxxxxxxxxxxxx", AInstEmit.LdrLit, typeof(AOpCodeSimdMemLit));
Set("0x001110<<1xxxxx100101xxxxxxxxxx", AInstEmit.Mla_V, typeof(AOpCodeSimdReg));
Set("0x101111xxxxxxxx0000x0xxxxxxxxxx", AInstEmit.Mla_Ve, typeof(AOpCodeSimdRegElem));
Set("0x101110<<1xxxxx100101xxxxxxxxxx", AInstEmit.Mls_V, typeof(AOpCodeSimdReg));
Set("0x00111100000xxx0xx001xxxxxxxxxx", AInstEmit.Movi_V, typeof(AOpCodeSimdImm));
Set("0x00111100000xxx10x001xxxxxxxxxx", AInstEmit.Movi_V, typeof(AOpCodeSimdImm));

5
Decoder/AOpCodeSimdRegElem.cs
View file

@ -11,9 +11,8 @@ namespace ChocolArm64.Decoder
switch (Size)
{
case 1:
Index = (OpCode >> 21) & 1 |
(OpCode >> 10) & 2 |
(OpCode >> 18) & 4;
Index = (OpCode >> 20) & 3 |
(OpCode >> 9) & 4;
Rm &= 0xf;

9
Instruction/AInstEmitSimdArithmetic.cs
View file

@ -335,6 +335,15 @@ namespace ChocolArm64.Instruction
});
}
public static void Mla_Ve(AILEmitterCtx Context)
{
EmitVectorTernaryOpByElemZx(Context, () =>
{
Context.Emit(OpCodes.Mul);
Context.Emit(OpCodes.Add);
});
}
public static void Mls_V(AILEmitterCtx Context)
{
EmitVectorTernaryOpZx(Context, () =>

7
Instruction/AInstEmitSimdHelper.cs
View file

@ -381,13 +381,16 @@ namespace ChocolArm64.Instruction
}
EmitVectorExtract(Context, Op.Rn, Index, Op.Size, Signed);
EmitVectorExtract(Context, Op.Rm, Index, Op.Size, Signed);
EmitVectorExtract(Context, Op.Rm, Elem, Op.Size, Signed);
Emit();
EmitVectorInsert(Context, Op.Rd, Index, Op.Size);
EmitVectorInsertTmp(Context, Index, Op.Size);
}
Context.EmitLdvectmp();
Context.EmitStvec(Op.Rd);
if (Op.RegisterSize == ARegisterSize.SIMD64)
{
EmitVectorZeroUpper(Context, Op.Rd);