private static bool PatchTestReg(FuncState fs, int node, int reg)
{
InstructionPtr pi = GetJumpControl(fs, node);
if (pi.Value.GET_OPCODE() != OpCode.OP_TESTSET)
{
return(false); // cannot patch other instructions
}
if (reg != NO_REG && reg != pi.Value.GETARG_B())
{
pi.Value = pi.Value.SETARG_A(reg);
}
else
{
pi.Value = Instruction.CreateABC(OpCode.OP_TEST,
pi.Value.GETARG_B(), 0, pi.Value.GETARG_C());
}
return(true);
}
public static int CodeABC(FuncState fs, OpCode op, int a, int b, int c)
{
return(Code(fs, Instruction.CreateABC(op, a, b, c)));
}
