1 /* $NetBSD: fork.S,v 1.6 2011/01/15 07:31:13 matt Exp $ */
6 * r4 == 0 in parent process, 1 in child process.
7 * r3 == pid of child in parent, pid of parent in child.
13 addi %r4,%r4,-1 # from 1 to 0 in child, 0 to -1 in parent
14 and %r3,%r3,%r4 # return 0 in child, pid in parent