usr/src/sys/tahoe/align/Acvdl.c

/*-
 * Copyright (c) 1986 The Regents of the University of California.
 * All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Computer Consoles Inc.
 *
 * %sccs.include.redist.c%
 *
 *      @(#)Acvdl.c     7.1 (Berkeley) %G%
 */

#include "align.h"
cvdl(infop)     process_info *infop;
/*
/*      Convert double precission accumulator into integer.
/*
/******************************************************/
{
        register        long    Register_12;    /* Has to be first reg ! */
        register        double  *acc_pnt;
        register        long    result;

        acc_pnt = (double *)&acc_high;
        Register_12=psl;
        Set_psl(r12);   /* restore the user psl */
        result = (long) *acc_pnt;
        asm ("  movpsl  r12");
        New_cc (Register_12);
        write_back (infop, result, operand(infop,0) );
}