add Berkeley specific copyright notice

[unix-history] / usr / src / sys / tahoe / align / Aadd2.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%
*
*      @(#)Aadd2.c     7.1 (Berkeley) %G%
*/

#include "align.h" 
add2(infop)     process_info *infop;
/*
/*      Add , 2 operands.
/*
/*****************************************/
{
       register        long    Register_12;    /* Has to be first reg ! */
       register        long    data0, data1, result;

       data0 = operand(infop,0)->data; 
       data1 = operand(infop,1)->data; 
       Register_12=psl;
       Set_psl(r12);   /* restore the user psl */
       result = data0 + data1;         /* 32 bits of true result */
       asm ("  movpsl  r12");
       New_cc (Register_12);
       write_back (infop,result, operand(infop,1) );
}