xref: /csrg-svn/sys/tahoe/align/Axor3.c (revision 29645)
1*29645Ssam /*	Axor3.c	1.1	86/07/20	*/
2*29645Ssam 
3*29645Ssam #include "../tahoealign/align.h"
4*29645Ssam xor3 (infop)	process_info *infop;
5*29645Ssam /*
6*29645Ssam /*	Xor , 3 operands.
7*29645Ssam /*
8*29645Ssam /****************************************/
9*29645Ssam {
10*29645Ssam 	register	long	Register_12;	/* Has to be first reg ! */
11*29645Ssam 	register	long	result, data0, data1;
12*29645Ssam 
13*29645Ssam 	data0 = operand(infop,0)->data;
14*29645Ssam 	data1 = operand(infop,1)->data;
15*29645Ssam 	Register_12=psl;
16*29645Ssam 	Set_psl(r12);	/* restore the user psl */
17*29645Ssam 	result = data0 ^ data1;
18*29645Ssam 	asm ("	movpsl	r12");
19*29645Ssam 	New_cc (Register_12);
20*29645Ssam 	write_back (infop,result, operand(infop,2) );
21*29645Ssam }
22