diff options
| author | gdkchan <gab.dark.100@gmail.com> | 2018-03-02 20:24:16 -0300 |
|---|---|---|
| committer | gdkchan <gab.dark.100@gmail.com> | 2018-03-02 20:24:16 -0300 |
| commit | efef605b260119642fa023c8488fb3ff4501cafd (patch) | |
| tree | 8a70da59795b54954155930b6c65d90006412a5d /ChocolArm64/Instruction | |
| parent | 829b1b1cc0a7dced1946500c1f27b4a7277ddb26 (diff) | |
Fix REV64 (vector) instruction
Diffstat (limited to 'ChocolArm64/Instruction')
| -rw-r--r-- | ChocolArm64/Instruction/AInstEmitSimdLogical.cs | 26 | ||||
| -rw-r--r-- | ChocolArm64/Instruction/ASoftFallback.cs | 2 |
2 files changed, 21 insertions, 7 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); + } } } }
\ No newline at end of file diff --git a/ChocolArm64/Instruction/ASoftFallback.cs b/ChocolArm64/Instruction/ASoftFallback.cs index 5127182d..797d8157 100644 --- a/ChocolArm64/Instruction/ASoftFallback.cs +++ b/ChocolArm64/Instruction/ASoftFallback.cs @@ -75,7 +75,7 @@ namespace ChocolArm64.Instruction private static ulong ReverseBytes(ulong Value, RevSize Size) { - Value = ((Value & 0xff00ff00ff00ff00) >> 8) | ((Value & 0x00ff00ff00ff00ff) << 8); + Value = ((Value & 0xff00ff00ff00ff00) >> 8) | ((Value & 0x00ff00ff00ff00ff) << 8); if (Size == RevSize.Rev16) { |