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Fix corner cases of ADCS and SBFM

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This commit is contained in:
gdkchan
2018-02-26 15:56:34 -03:00
parent f6dc86c6a0
commit 708761963e
3 changed files with 26 additions and 10 deletions
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25
ChocolArm64/Instruction/AInstEmitAluHelper.cs
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@ -7,6 +7,31 @@ namespace ChocolArm64.Instruction
{
static class AInstEmitAluHelper
{
public static void EmitAdcsCCheck(AILEmitterCtx Context)
{
//C = (Rd == Rn && CIn) || Rd < Rn
Context.EmitSttmp();
Context.EmitLdtmp();
Context.EmitLdtmp();
EmitDataLoadRn(Context);
Context.Emit(OpCodes.Ceq);
Context.EmitLdflg((int)APState.CBit);
Context.Emit(OpCodes.And);
Context.EmitLdtmp();
EmitDataLoadRn(Context);
Context.Emit(OpCodes.Clt_Un);
Context.Emit(OpCodes.Or);
Context.EmitStflg((int)APState.CBit);
}
public static void EmitAddsCCheck(AILEmitterCtx Context)
{
//C = Rd < Rn