public static void EmitDataLoadOper2(AILEmitterCtx Context)
{
switch (Context.CurrOp)
{
case IAOpCodeAluImm Op:
Context.EmitLdc_I(Op.Imm);
break;
case IAOpCodeAluRs Op:
Context.EmitLdintzr(Op.Rm);
switch (Op.ShiftType)
{
case AShiftType.Lsl: Context.EmitLsl(Op.Shift); break;
case AShiftType.Lsr: Context.EmitLsr(Op.Shift); break;
case AShiftType.Asr: Context.EmitAsr(Op.Shift); break;
case AShiftType.Ror: Context.EmitRor(Op.Shift); break;
}
break;
case IAOpCodeAluRx Op:
Context.EmitLdintzr(Op.Rm);
Context.EmitCast(Op.IntType);
Context.EmitLsl(Op.Shift);
break;
}
}
private static void EmitLoadAddress(AILEmitterCtx Context)
{
switch (Context.CurrOp)
{
case AOpCodeMemImm Op:
Context.EmitLdint(Op.Rn);
if (!Op.PostIdx)
{
//Pre-indexing.
Context.EmitLdc_I(Op.Imm);
Context.Emit(OpCodes.Add);
}
break;
case AOpCodeMemReg Op:
Context.EmitLdint(Op.Rn);
Context.EmitLdintzr(Op.Rm);
Context.EmitCast(Op.IntType);
if (Op.Shift)
{
Context.EmitLsl(Op.Size);
}
Context.Emit(OpCodes.Add);
break;
}
//Save address to Scratch var since the register value may change.
Context.Emit(OpCodes.Dup);
Context.EmitSttmp();
}
