diff options
Diffstat (limited to 'ChocolArm64/Instruction/AInstEmitSimdMove.cs')
| -rw-r--r-- | ChocolArm64/Instruction/AInstEmitSimdMove.cs | 47 |
1 files changed, 25 insertions, 22 deletions
diff --git a/ChocolArm64/Instruction/AInstEmitSimdMove.cs b/ChocolArm64/Instruction/AInstEmitSimdMove.cs index 739f01c6..592cab73 100644 --- a/ChocolArm64/Instruction/AInstEmitSimdMove.cs +++ b/ChocolArm64/Instruction/AInstEmitSimdMove.cs @@ -331,17 +331,18 @@ namespace ChocolArm64.Instruction { AOpCodeSimdReg Op = (AOpCodeSimdReg)Context.CurrOp; - int Bytes = Op.GetBitsCount() >> 3; - - int Elems = Bytes >> Op.Size; + int Words = Op.GetBitsCount() >> 4; + int Pairs = Words >> Op.Size; - for (int Index = 0; Index < Elems; Index++) + for (int Index = 0; Index < Pairs; Index++) { - int Elem = (Index & ~1) + Part; + int Idx = Index << 1; - EmitVectorExtractZx(Context, (Index & 1) == 0 ? Op.Rn : Op.Rm, Elem, Op.Size); + EmitVectorExtractZx(Context, Op.Rn, Idx + Part, Op.Size); + EmitVectorExtractZx(Context, Op.Rm, Idx + Part, Op.Size); - EmitVectorInsertTmp(Context, Index, Op.Size); + EmitVectorInsertTmp(Context, Idx + 1, Op.Size); + EmitVectorInsertTmp(Context, Idx , Op.Size); } Context.EmitLdvectmp(); @@ -357,18 +358,18 @@ namespace ChocolArm64.Instruction { AOpCodeSimdReg Op = (AOpCodeSimdReg)Context.CurrOp; - int Bytes = Op.GetBitsCount() >> 3; + int Words = Op.GetBitsCount() >> 4; + int Pairs = Words >> Op.Size; - int Elems = Bytes >> Op.Size; - int Half = Elems >> 1; - - for (int Index = 0; Index < Elems; Index++) + for (int Index = 0; Index < Pairs; Index++) { - int Elem = Part + ((Index & (Half - 1)) << 1); + int Idx = Index << 1; - EmitVectorExtractZx(Context, Index < Half ? Op.Rn : Op.Rm, Elem, Op.Size); + EmitVectorExtractZx(Context, Op.Rn, Idx + Part, Op.Size); + EmitVectorExtractZx(Context, Op.Rm, Idx + Part, Op.Size); - EmitVectorInsertTmp(Context, Index, Op.Size); + EmitVectorInsertTmp(Context, Pairs + Index, Op.Size); + EmitVectorInsertTmp(Context, Index, Op.Size); } Context.EmitLdvectmp(); @@ -384,18 +385,20 @@ namespace ChocolArm64.Instruction { AOpCodeSimdReg Op = (AOpCodeSimdReg)Context.CurrOp; - int Bytes = Op.GetBitsCount() >> 3; + int Words = Op.GetBitsCount() >> 4; + int Pairs = Words >> Op.Size; - int Elems = Bytes >> Op.Size; - int Half = Elems >> 1; + int Base = Part != 0 ? Pairs : 0; - for (int Index = 0; Index < Elems; Index++) + for (int Index = 0; Index < Pairs; Index++) { - int Elem = Part * Half + (Index >> 1); + int Idx = Index << 1; - EmitVectorExtractZx(Context, (Index & 1) == 0 ? Op.Rn : Op.Rm, Elem, Op.Size); + EmitVectorExtractZx(Context, Op.Rn, Base + Index, Op.Size); + EmitVectorExtractZx(Context, Op.Rm, Base + Index, Op.Size); - EmitVectorInsertTmp(Context, Index, Op.Size); + EmitVectorInsertTmp(Context, Idx + 1, Op.Size); + EmitVectorInsertTmp(Context, Idx , Op.Size); } Context.EmitLdvectmp(); |