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

/*-
 * Copyright (c) 1986 The Regents of the University of California.
 * All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Computer Consoles Inc.
 *
 * %sccs.include.redist.c%
 *
 *	@(#)Amneg.c	7.1 (Berkeley) %G%
 */

#include "align.h" 
mneg(infop)	process_info *infop;
/*
/*	Move negated operand.
/*
/**********************************/
{
	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 ("	mnegl	r12,r11");
	asm ("	movpsl	r12");
	New_cc (Register_12);
	write_back (infop, Register_11, operand(infop,1));
}
Commit	Line	Data
7c27088c KB	1	/*-
	2	* Copyright (c) 1986 The Regents of the University of California.
	3	* All rights reserved.
	4	*
	5	* This code is derived from software contributed to Berkeley by
	6	* Computer Consoles Inc.
	7	*
	8	* %sccs.include.redist.c%
	9	*
	10	* @(#)Amneg.c 7.1 (Berkeley) %G%
	11	*/
e064701f	12
6499767c	13	#include "align.h"
e064701f SL	14	mneg(infop) process_info *infop;
	15	/*
	16	/* Move negated operand.
	17	/*
	18	/**********************************/
	19	{
	20	register long Register_12; /* Has to be first reg ! */
	21	register long Register_11;
	22
	23	Register_12 = operand(infop, 0)->data;
	24	Register_11=psl;
	25	Set_psl(r11); /* restore the user psl */
	26	asm (" mnegl r12,r11");
	27	asm (" movpsl r12");
	28	New_cc (Register_12);
	29	write_back (infop, Register_11, operand(infop,1));
	30	}