xref: /csrg-svn/sys/tahoe/align/Ainc.c (revision 29611)
1*29611Ssam /*	Ainc.c	1.1	86/07/20	*/
2*29611Ssam 
3*29611Ssam #include "../tahoealign/align.h"
4*29611Ssam inc(infop)	process_info *infop;
5*29611Ssam /*
6*29611Ssam /*	Increment operand.
7*29611Ssam /*
8*29611Ssam /***************************************/
9*29611Ssam {
10*29611Ssam 	register	long	Register_12;	/* Has to be first reg ! */
11*29611Ssam 	register	long	Register_11;
12*29611Ssam 
13*29611Ssam 	Register_11 = operand(infop,0)->data;
14*29611Ssam 	Register_12=psl;
15*29611Ssam 	Set_psl(r12);	/* restore the user psl */
16*29611Ssam 	asm ("	incl	r11");			/* Make sure to use the
17*29611Ssam 						 * right opcode */
18*29611Ssam 	asm ("	movpsl	r12");
19*29611Ssam 	New_cc (Register_12);
20*29611Ssam 
21*29611Ssam 	write_back (infop,Register_11, operand(infop,0) );
22*29611Ssam }
23