[unix-history] / usr / src / sys / tahoe / align / Affs.c

/*	Affs.c	1.2	90/12/04	*/

#include "align.h"
ffs_op(infop)	process_info *infop;
/*
/*	Find first set bit.
/*
/********************************/
{

	register long	Register_12;	/* Has to be first reg ! */
	register long	Register_11;

	Register_12 = operand(infop,0)->data;
	Register_11=psl;
	Set_psl(r11);	/* restore the user psl */
	asm ("	ffs	r12,r11");
	asm ("	movpsl	r12");
	New_cc (Register_12);
	write_back (infop,Register_11, operand(infop,1));
}
Commit	Line	Data
6499767c	1	/* Affs.c 1.2 90/12/04 */
df0b3f1a	2
6499767c	3	#include "align.h"
df0b3f1a SL	4	ffs_op(infop) process_info *infop;
	5	/*
	6	/* Find first set bit.
	7	/*
	8	/********************************/
	9	{
	10
	11	register long Register_12; /* Has to be first reg ! */
	12	register long Register_11;
	13
	14	Register_12 = operand(infop,0)->data;
	15	Register_11=psl;
	16	Set_psl(r11); /* restore the user psl */
	17	asm (" ffs r12,r11");
	18	asm (" movpsl r12");
	19	New_cc (Register_12);
	20	write_back (infop,Register_11, operand(infop,1));
	21	}