DisassemblyImmediate.cc

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/*
    Copyright (c) 2002-2009 Tampere University.
 
    This file is part of TTA-Based Codesign Environment (TCE).
 
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    The above copyright notice and this permission notice shall be included in
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/**
 * @file DisassemblyImmediate.cc
 *
 * Implementation of DisassemblyImmediate class.
 *
 * @author Veli-Pekka Jääskeläinen 2005 (vjaaskel-no.spam-cs.tut.fi)
 * @note rating: red
 */
 
#include "DisassemblyImmediate.hh"
#include "Conversion.hh"
 
#include "TCEString.hh"
/**
 * The constructor.
 *
 * @param value Inline immediate value.
 */
DisassemblyImmediate::DisassemblyImmediate(SimValue value, bool signExtend) :
    DisassemblyElement(),
    value_(value), signExtend_(signExtend) {
}
 
 
/**
 * The destructor.
 */
DisassemblyImmediate::~DisassemblyImmediate() {
}
 
 
/**
 * Returns disassembly of the inline immediate value.
 *
 * @return Disassembly of the inline immediate value as a string.
 */
std::string
DisassemblyImmediate::toString() const {
    if (value_.width() == 0) {
        return "Invalid Immediate";
    }
    // Select the extension mode in the printout depending on the
    // move slots's (bus) extension mode. Wrong extension mode can
    // produce wrong output that cannot be assembled in case
    // of a negative-looking value on a zero extending slot.
    if (signExtend_) {
        TCEString text = Conversion::toString(value_.sLongWordValue());
        return text;
    }
    else {
        TCEString text = Conversion::toString(value_.uLongWordValue());
        return text;
    }
}