xref: /original-bsd/sys/tahoe/align/Astd.c (revision b65ab6e5) 
1 /*-
2  * Copyright (c) 1986 The Regents of the University of California.
3  * All rights reserved.
4  *
5  * This code is derived from software contributed to Berkeley by
6  * Computer Consoles Inc.
7  *
8  * %sccs.include.redist.c%
9  *
10  *	@(#)Astd.c	7.1 (Berkeley) 12/06/90
11  */
12 
13 #include "align.h"
std(infop)14 std(infop)	process_info *infop;
15 /*
16 /*	Store accumulator (double) in destination.
17 /*
18 /*************************************************/
19 {
20 	quadword ac;
21 
22 	ac.high = acc_high;
23 	ac.low = acc_low;
24 	write_quadword (infop, ac, operand(infop,0) );
25 	if (ac.high < 0) negative_1; else negative_0;
26 	if ( (ac.high & 0xff800000) == 0 ) zero_1; else zero_0;
27 	carry_1;
28 	overflow_0;
29 }
30