xref: /original-bsd/sys/tahoe/align/Affc.c (revision f052b07a)
1 /*	Affc.c	1.1	86/07/20	*/
2 
3 #include "../tahoealign/align.h"
4 ffc(infop)	process_info *infop;
5 /*
6 /*	Find first clear bit.
7 /*
8 /********************************/
9 {
10 
11 	register long	Register_12;	/* Has to be first reg ! */
12 	register long	Register_11;
13 	register long	Register_10;
14 
15 	Register_12 = operand(infop,0)->data;
16 	Register_10=psl;
17 	Set_psl(r10);	/* restore the user psl */
18 	asm ("	ffc	r12,r11");
19 	asm ("	movpsl	r12");
20 	New_cc (Register_12);
21 	write_back (infop,Register_11, operand(infop,1));
22 }
23