usr/src/sys/tahoealign/Affs.c

/*      Affs.c  1.1     86/07/20        */

#include "../tahoealign/align.h"
ffs_op(infop)   process_info *infop;
/*
/*      Find first set bit.
/*
/********************************/
{

        register long   Register_12;    /* Has to be first reg ! */
        register long   Register_11;

        Register_12 = operand(infop,0)->data;
        Register_11=psl;
        Set_psl(r11);   /* restore the user psl */
        asm ("  ffs     r12,r11");
        asm ("  movpsl  r12");
        New_cc (Register_12);
        write_back (infop,Register_11, operand(infop,1));
}