diff options
Diffstat (limited to 'ChocolArm64/Instruction/AInstEmitSimdLogical.cs')
| -rw-r--r-- | ChocolArm64/Instruction/AInstEmitSimdLogical.cs | 26 |
1 files changed, 20 insertions, 6 deletions
diff --git a/ChocolArm64/Instruction/AInstEmitSimdLogical.cs b/ChocolArm64/Instruction/AInstEmitSimdLogical.cs index f4cc66cf..5b71a0bb 100644 --- a/ChocolArm64/Instruction/AInstEmitSimdLogical.cs +++ b/ChocolArm64/Instruction/AInstEmitSimdLogical.cs @@ -1,5 +1,6 @@ +using ChocolArm64.Decoder; +using ChocolArm64.State; using ChocolArm64.Translation; -using System; using System.Reflection.Emit; using static ChocolArm64.Instruction.AInstEmitSimdHelper; @@ -69,12 +70,25 @@ namespace ChocolArm64.Instruction public static void Rev64_V(AILEmitterCtx Context) { - Action Emit = () => + AOpCodeSimd Op = (AOpCodeSimd)Context.CurrOp; + + int Bytes = Context.CurrOp.GetBitsCount() >> 3; + + int Elems = Bytes >> Op.Size; + + int RevIndex = Elems - 1; + + for (int Index = 0; Index < (Bytes >> Op.Size); Index++) + { + EmitVectorExtractZx(Context, Op.Rn, RevIndex--, Op.Size); + + EmitVectorInsert(Context, Op.Rd, Index, Op.Size); + } + + if (Op.RegisterSize == ARegisterSize.SIMD64) { - ASoftFallback.EmitCall(Context, nameof(ASoftFallback.ReverseBits64)); - }; - - EmitVectorUnaryOpZx(Context, Emit); + EmitVectorZeroUpper(Context, Op.Rd); + } } } }
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