sparcinstruction.java

用Java实现的编译器。把源代码编译成SPARC汇编程序

// $Id: SPARCInstruction.java,v 1.5 1999/11/04 16:53:41 deberg Exp $

package java6035.tools.ASM;

/**
 * SPARCInstruction represents a SPARC instruction.
 */

public class SPARCInstruction extends ASMEntry
{
    protected int asmkind() { return SPARCINSTRUCTION; }

    protected int opcode;
    protected SPARCOperand dest;
    protected SPARCOperand src1;
    protected SPARCOperand src2;
    protected String comment;

    /**
     * Constructs a SPARCInstruction object. Note, you should use instruction
     * constructors in SPARCOpcode in most cases.
     */
    public SPARCInstruction
	(int opcode, SPARCOperand src1, SPARCOperand src2, 
	 SPARCOperand dest, String comment)
    {
		this.opcode = opcode;
		this.dest = dest;
		this.src1 = src1;
		this.src2 = src2;
        this.comment = comment;
    }

    public SPARCInstruction
	(int opcode, SPARCOperand src1, SPARCOperand src2, SPARCOperand dest)
    {
        this(opcode, src1, src2, dest, null);
    }

    /**
     * Returns the opcode of the instruction.
     */
    public int getOpcode()
    {
	return opcode;
    }

    /**
     * Returns the destination operand.
     */
    public SPARCOperand getDest()
    {
	return dest;
    }

    /**
     * Replaces the destination operand with a new one.
     */
    public void setDest(SPARCOperand dest)
    {
	this.dest = dest;
    }

    /**
     * Returns the first src operand.
     */
    public SPARCOperand getSrc1()
    {
		return src1;
    }

    /**
     * Replaces the first src operand with a new one.
     */
    public void setSrc1(SPARCOperand src)
    {
		this.src1 = src;
    }

    /**
     * Returns the second src operand.
     */
    public SPARCOperand getSrc2()
    {
	return src2;
    }

    /**
     * Replaces the second src operand with a new one.
     */
    public void setSrc2(SPARCOperand src)
    {
	this.src2 = src;
    }

    public String getComment()
    {
        return comment;
    }

    public void setComment(String comment)
    {
        this.comment = comment;
    }

}