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

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

#include "align.h"
lnf(infop)	process_info *infop;
/*
/*	Load a negated float operand into accumulator.
/*
/******************************************************/
{

	register struct oprnd	*op_pnt;

	op_pnt = operand(infop,0);
	if ( reserved( op_pnt->data ) ) 
		exception(infop, ILL_OPRND);
	if ( op_pnt->data == 0 ) acc_high = 0;
	else acc_high = 0x80000000 ^ op_pnt->data ;
	psl &= ~PSL_DBL;
	infop->acc_dbl = 0;
}
Commit	Line	Data
6499767c	1	/* Alnf.c 1.2 90/12/04 */
578defd0	2
6499767c	3	#include "align.h"
578defd0 SL	4	lnf(infop) process_info *infop;
	5	/*
	6	/* Load a negated float operand into accumulator.
	7	/*
	8	/******************************************************/
	9	{
	10
	11	register struct oprnd *op_pnt;
	12
	13	op_pnt = operand(infop,0);
	14	if ( reserved( op_pnt->data ) )
	15	exception(infop, ILL_OPRND);
	16	if ( op_pnt->data == 0 ) acc_high = 0;
	17	else acc_high = 0x80000000 ^ op_pnt->data ;
	18	psl &= ~PSL_DBL;
	19	infop->acc_dbl = 0;
	20	}