xref: /original-bsd/sys/tahoe/align/Acmpd2.c (revision 3588a932)
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  *	@(#)Acmpd2.c	7.1 (Berkeley) 12/06/90
11  */
12 
13 #include "align.h"
14 cmpd2(infop)	process_info *infop;
15 /*
16 /*	Compare operand 1 with operand 2 (double).
17 /*
18 /****************************************************/
19 {
20 	register double	*Register_12;	/* Has to be first reg ! */
21 	register double	*Register_11;
22 	register long	Register_10;
23 
24 	Register_12 = (double *) &operand(infop,0)->data;
25 	Register_11 = (double *) &operand(infop,1)->data;
26 	if ( reserved( *(long *)Register_12 ) ||
27 	     reserved( *(long *)Register_11 ) )
28 			exception(infop, ILL_OPRND);
29 	Register_10=psl;
30 	Set_psl(r10);	/* restore the user psl */
31 	asm ("	cmpd2	(r12),(r11)");
32 	asm ("	movpsl	r10");
33 	New_cc (Register_10);
34 }
35