4.3BSD-Reno/src/sys/tahoealign/Alnd.c

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/*	Alnd.c	1.1	86/07/20	*/

#include "../tahoealign/align.h"
lnd(infop)	process_info *infop;
/*
/*	Load a negated double operand into accumulator.
/*
/*******************************************************/
{
	register struct oprnd *oprnd_pnt;

	oprnd_pnt = operand(infop,0);
	if ( reserved( oprnd_pnt->data ) ) 
		exception(infop, ILL_OPRND);
	if ( oprnd_pnt->data == 0 ) acc_high = 0;
	else acc_high = 0x80000000 ^ oprnd_pnt->data ;
	acc_low = oprnd_pnt->data2 ;
	psl |= PSL_DBL;
	infop->acc_dbl = 1;
}