xref: /original-bsd/sys/tahoe/align/Aor3.c (revision 74d2773b)
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  *	@(#)Aor3.c	7.1 (Berkeley) 12/06/90
11  */
12 
13 #include "align.h"
14 or3 (infop)	process_info *infop;
15 /*
16 /*	Or , 3 operands.
17 /*
18 /****************************************/
19 {
20 	register	long	Register_12;	/* Has to be first reg ! */
21 	register 	long	data0, data1, result;
22 
23 	data0 = operand(infop,0)->data;
24 	data1 = operand(infop,1)->data;
25 	Register_12=psl;
26 	Set_psl(r12);	/* restore the user psl */
27 	result = data0 | data1;		/* 32 bits of true result */
28 	asm ("	movpsl	r12");
29 	New_cc (Register_12);
30 	write_back (infop,result, operand(infop,2) );
31 }
32