edu.polytechnique.xvm.asm.opcodes

Class GTZ

java.lang.Object

edu.polytechnique.xvm.asm.interfaces.AsmInstruction

edu.polytechnique.xvm.asm.opcodes.GTZ

public final class GTZ
extends AsmInstruction

Pop the stack and, if zero, set PC to a given position

• Stack before: w ; S
• Stack after: S
• PC: +1 if w is not 0; otherwise, changes to m where m is the instruction position pointed to by the argument to GTZ.
• SP: -1
• FP: unchanged
• R: unchanged
• Exceptions:
  • Stack underflow: the stack is empty
  • Int mismatch: the stack top (w) is not an integer
  • Invalid PC: the instruction position pointed to by m does not exist

See Also:

GTO

Constructor Summary

Constructors

Constructor and Description
GTZ(java.lang.String address)

Method Summary

Modifier and Type	Method and Description
<P,R> R	accept(AsmVisitor<P,R> visitor, P arg)
java.lang.String	getAddress()
java.lang.String	toString()

Methods inherited from class edu.polytechnique.xvm.asm.interfaces.AsmInstruction

getName

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

GTZ

public GTZ(java.lang.String address)

Method Detail

getAddress

public java.lang.String getAddress()

accept

public <P,R> R accept(AsmVisitor<P,R> visitor,
                      P arg)

Specified by:

accept in class AsmInstruction

toString

public java.lang.String toString()

Overrides:

toString in class AsmInstruction