PBP
Code:
XRUN:
IF (A == B) THEN X = Z

RUNX:
IF (A = B) THEN X = Z
Generated ASM
Code:
        LABEL?L	_XRUN	
	CMPNE?BBL	_A, _B, L00001
	MOVE?BB	_Z, _X
	LABEL?L	L00001	

	LABEL?L	_RUNX	
	CMPNE?BBL	_A, _B, L00003
	MOVE?BB	_Z, _X
	LABEL?L	L00003
Looks the same to me..