xref: /csrg-svn/sys/tahoe/align/Ashrl.c (revision 29634)
1*29634Ssam /*	Ashrl.c	1.1	86/07/20	*/
2*29634Ssam 
3*29634Ssam 
4*29634Ssam #include "../tahoealign/align.h"
5*29634Ssam shrl(infop)	process_info *infop;
6*29634Ssam /*
7*29634Ssam /*	Shift logical right (longword).
8*29634Ssam /*
9*29634Ssam /*******************************/
10*29634Ssam {
11*29634Ssam 	register	long	Register_12;	/* Has to be first reg ! */
12*29634Ssam 	register	long	Register_11;
13*29634Ssam 	register	long	Register_10;
14*29634Ssam 
15*29634Ssam 	Register_12 = operand(infop,0)->data;
16*29634Ssam 	Register_11 = operand(infop,1)->data;
17*29634Ssam 	Register_10=psl;
18*29634Ssam 	Set_psl(r10);	/* restore the user psl */
19*29634Ssam 	asm ("	shrl	r12,r11,r10");
20*29634Ssam 	asm ("	movpsl	r12");
21*29634Ssam 	New_cc (Register_12);
22*29634Ssam 	write_back (infop, Register_10, operand(infop,2));
23*29634Ssam }
24