.pg
.x exit__if__error
.x Obsolete Macros > exit__if__error
.lt
------------------------------------------------------------------------
EXIT_IF_ERROR
------------------------------------------------------------------------
.el
.b 3
The EXIT__IF__ERROR macro will generate an branch to an EXIT label if an error
exists based on the value of register r0. 
.b
It is equivalent to the following:
.b
.lt
	if <lbc r0> then
		goto exit
	end
.el