/ / / isign fortran function .globl isign. .globl retrn .globl rerr .globl temp isign.: temp .+2 setd setl cmp *2(sp),$2 bne 2f movif *2(r3),r0 absf r0 movif *4(r3),r1 cfcc bge 1f negf r0 1: movfi r0,temp jmp retrn 2: jsr r5,rerr; 10.