Assem

Class Instr

java.lang.Object

Assem.Instr

Direct Known Subclasses:

LABEL, MOVE, OPER

public abstract class Instr
extends java.lang.Object

A data type used for assembly language without assigned registers.

Field Summary

Fields

Modifier and Type	Field and Description
java.lang.String	assem
Temp[]	def
java.util.List<Label>	jumps
Temp[]	use

Constructor Summary

Constructors

Constructor and Description
Instr()

Method Summary

Modifier and Type	Method and Description
java.lang.String	format(Frame frame, RegAlloc alloc)
void	output(java.io.PrintWriter writer)
void	replaceDef(Temp olddef, Temp newdef) Replaces the dst list.
void	replaceUse(Temp olduse, Temp newuse) Replaces the src list.
java.lang.String	toString() Formats an assembly instruction as a string.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

assem

public java.lang.String assem

use

public Temp[] use

def

public Temp[] def

jumps

public java.util.List<Label> jumps

Constructor Detail

Instr

public Instr()

Method Detail

output

public void output(java.io.PrintWriter writer)

replaceUse

public void replaceUse(Temp olduse,
                       Temp newuse)

Replaces the src list.

replaceDef

public void replaceDef(Temp olddef,
                       Temp newdef)

Replaces the dst list.

toString

public java.lang.String toString()

Formats an assembly instruction as a string.

Overrides:

toString in class java.lang.Object

format

public java.lang.String format(Frame frame,
                               RegAlloc alloc)