edu.polytechnique.xvm.asm.opcodes

Class OR

java.lang.Object

edu.polytechnique.xvm.asm.interfaces.AsmInstruction

edu.polytechnique.xvm.asm.opcodes.OR

public final class OR
extends AsmInstruction

Boolean or (aka logical or)

• Stack before: x ; y ; S (where x and y are integers)
• Stack after: z ; S where z is given by the following table:

  x	y	z
  1	arbitrary	1
  arbitrary	1	1
  0	0	0

• PC: +1
• SP: -1
• FP: unchanged
• R: unchanged
• Exceptions:
  • Stack underflow: Stack has fewer than 2 integers
  • Int mismatch: Top two stack entries are not integers

See Also:

AND, NOT

Constructor Summary

Constructors

Constructor and Description
OR()

Method Summary

Modifier and Type	Method and Description
<P,R> R	accept(AsmVisitor<P,R> visitor, P arg)

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

getName, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

OR

public OR()

Method Detail

accept

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

Specified by:

accept in class AsmInstruction