xref: /original-bsd/sys/tahoe/align/Aor3.c (revision b65ab6e5)
1*b65ab6e5Sbostic /*-
2*b65ab6e5Sbostic  * Copyright (c) 1986 The Regents of the University of California.
3*b65ab6e5Sbostic  * All rights reserved.
4*b65ab6e5Sbostic  *
5*b65ab6e5Sbostic  * This code is derived from software contributed to Berkeley by
6*b65ab6e5Sbostic  * Computer Consoles Inc.
7*b65ab6e5Sbostic  *
8*b65ab6e5Sbostic  * %sccs.include.redist.c%
9*b65ab6e5Sbostic  *
10*b65ab6e5Sbostic  *	@(#)Aor3.c	7.1 (Berkeley) 12/06/90
11*b65ab6e5Sbostic  */
1222985d6fSsam 
13f5878f6dSbostic #include "align.h"
or3(infop)1422985d6fSsam or3 (infop)	process_info *infop;
1522985d6fSsam /*
1622985d6fSsam /*	Or , 3 operands.
1722985d6fSsam /*
1822985d6fSsam /****************************************/
1922985d6fSsam {
2022985d6fSsam 	register	long	Register_12;	/* Has to be first reg ! */
2122985d6fSsam 	register 	long	data0, data1, result;
2222985d6fSsam 
2322985d6fSsam 	data0 = operand(infop,0)->data;
2422985d6fSsam 	data1 = operand(infop,1)->data;
2522985d6fSsam 	Register_12=psl;
2622985d6fSsam 	Set_psl(r12);	/* restore the user psl */
2722985d6fSsam 	result = data0 | data1;		/* 32 bits of true result */
2822985d6fSsam 	asm ("	movpsl	r12");
2922985d6fSsam 	New_cc (Register_12);
3022985d6fSsam 	write_back (infop,result, operand(infop,2) );
3122985d6fSsam }
32