diff options
Diffstat (limited to 'ChocolArm64/Instruction/AInstEmitAlu.cs')
| -rw-r--r-- | ChocolArm64/Instruction/AInstEmitAlu.cs | 30 |
1 files changed, 26 insertions, 4 deletions
diff --git a/ChocolArm64/Instruction/AInstEmitAlu.cs b/ChocolArm64/Instruction/AInstEmitAlu.cs index 72903f5b..71d9a660 100644 --- a/ChocolArm64/Instruction/AInstEmitAlu.cs +++ b/ChocolArm64/Instruction/AInstEmitAlu.cs @@ -11,7 +11,10 @@ namespace ChocolArm64.Instruction { static partial class AInstEmit { - public static void Adc(AILEmitterCtx Context) + public static void Adc(AILEmitterCtx Context) => EmitAdc(Context, false); + public static void Adcs(AILEmitterCtx Context) => EmitAdc(Context, true); + + private static void EmitAdc(AILEmitterCtx Context, bool SetFlags) { EmitDataLoadOpers(Context); @@ -27,11 +30,19 @@ namespace ChocolArm64.Instruction if (Context.CurrOp.RegisterSize != ARegisterSize.Int32) { - Context.Emit(OpCodes.Conv_I8); + Context.Emit(OpCodes.Conv_U8); } Context.Emit(OpCodes.Add); + if (SetFlags) + { + Context.EmitZNFlagCheck(); + + EmitAddsCCheck(Context); + EmitAddsVCheck(Context); + } + EmitDataStore(Context); } @@ -145,7 +156,10 @@ namespace ChocolArm64.Instruction public static void Lslv(AILEmitterCtx Context) => EmitDataOpShift(Context, OpCodes.Shl); public static void Lsrv(AILEmitterCtx Context) => EmitDataOpShift(Context, OpCodes.Shr_Un); - public static void Sbc(AILEmitterCtx Context) + public static void Sbc(AILEmitterCtx Context) => EmitSbc(Context, false); + public static void Sbcs(AILEmitterCtx Context) => EmitSbc(Context, true); + + private static void EmitSbc(AILEmitterCtx Context, bool SetFlags) { EmitDataLoadOpers(Context); @@ -165,11 +179,19 @@ namespace ChocolArm64.Instruction if (Context.CurrOp.RegisterSize != ARegisterSize.Int32) { - Context.Emit(OpCodes.Conv_I8); + Context.Emit(OpCodes.Conv_U8); } Context.Emit(OpCodes.Sub); + if (SetFlags) + { + Context.EmitZNFlagCheck(); + + EmitSbcsCCheck(Context); + EmitSubsVCheck(Context); + } + EmitDataStore(Context); } |