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AInstEmitAluHelper: Simplify EmitAddsVCheck (#14)

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Merry 2018-02-14 22:01:36 +00:00 committed by gdkchan
parent 7791e1fe36
commit 7c4346685c
1 changed files with 2 additions and 11 deletions
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13
Ryujinx/Cpu/Instruction/AInstEmitAluHelper.cs
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@ -21,22 +21,13 @@ namespace ChocolArm64.Instruction
public static void EmitAddsVCheck(AILEmitterCtx Context) public static void EmitAddsVCheck(AILEmitterCtx Context)
{ {
//V = (Rd ^ Rn) & (Rd ^ Rm) & ~(Rn ^ Rm) < 0 //V = (Rd ^ Rn) & ~(Rn ^ Rm) < 0
Context.EmitSttmp(); Context.Emit(OpCodes.Dup);
Context.EmitLdtmp();
Context.EmitLdtmp();
EmitDataLoadRn(Context); EmitDataLoadRn(Context);
Context.Emit(OpCodes.Xor); Context.Emit(OpCodes.Xor);
Context.EmitLdtmp();
EmitDataLoadOper2(Context);
Context.Emit(OpCodes.Xor);
Context.Emit(OpCodes.And);
EmitDataLoadOpers(Context); EmitDataLoadOpers(Context);
Context.Emit(OpCodes.Xor); Context.Emit(OpCodes.Xor);