xref: /netbsd-src/lib/libc/arch/sparc/gen/fabs.S (revision cdb65da578a1b09e979d4b12f311b6316a4aafc2)
1*cdb65da5Sriastradh/*	$NetBSD: fabs.S,v 1.5 2018/11/07 22:21:42 riastradh Exp $	*/
21394f01bSchristos
30b9f5089Scgd/*
40b9f5089Scgd * Copyright (c) 1992, 1993
50b9f5089Scgd *	The Regents of the University of California.  All rights reserved.
60b9f5089Scgd *
70b9f5089Scgd * This software was developed by the Computer Systems Engineering group
80b9f5089Scgd * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
90b9f5089Scgd * contributed to Berkeley.
100b9f5089Scgd *
110b9f5089Scgd * Redistribution and use in source and binary forms, with or without
120b9f5089Scgd * modification, are permitted provided that the following conditions
130b9f5089Scgd * are met:
140b9f5089Scgd * 1. Redistributions of source code must retain the above copyright
150b9f5089Scgd *    notice, this list of conditions and the following disclaimer.
160b9f5089Scgd * 2. Redistributions in binary form must reproduce the above copyright
170b9f5089Scgd *    notice, this list of conditions and the following disclaimer in the
180b9f5089Scgd *    documentation and/or other materials provided with the distribution.
19eb7c1594Sagc * 3. Neither the name of the University nor the names of its contributors
200b9f5089Scgd *    may be used to endorse or promote products derived from this software
210b9f5089Scgd *    without specific prior written permission.
220b9f5089Scgd *
230b9f5089Scgd * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
240b9f5089Scgd * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
250b9f5089Scgd * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
260b9f5089Scgd * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
270b9f5089Scgd * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
280b9f5089Scgd * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
290b9f5089Scgd * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
300b9f5089Scgd * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
310b9f5089Scgd * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
320b9f5089Scgd * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
330b9f5089Scgd * SUCH DAMAGE.
340b9f5089Scgd *
350b9f5089Scgd * from: Header: fabs.s,v 1.4 91/10/07 23:59:05 torek Exp
360b9f5089Scgd */
370b9f5089Scgd
381394f01bSchristos#include <machine/asm.h>
390b9f5089Scgd#if defined(LIBC_SCCS) && !defined(lint)
401394f01bSchristos#if 0
410b9f5089Scgd	.asciz "@(#)fabs.s	8.1 (Berkeley) 6/4/93"
421394f01bSchristos#else
43*cdb65da5Sriastradh	RCSID("$NetBSD: fabs.S,v 1.5 2018/11/07 22:21:42 riastradh Exp $")
441394f01bSchristos#endif
450b9f5089Scgd#endif /* LIBC_SCCS and not lint */
460b9f5089Scgd
470b9f5089Scgd/* fabs - floating absolute value */
480b9f5089Scgd
49*cdb65da5SriastradhSTRONG_ALIAS(fabsl, fabs)
500b9f5089Scgd
510b9f5089ScgdENTRY(fabs)
520b9f5089Scgd	std	%o0, [%sp + 32]		! return value => %f0:f1
530b9f5089Scgd	ldd	[%sp + 32], %f0		! (via kernel %o0/%o1 slot)
540b9f5089Scgd	retl
550b9f5089Scgd	 fabss	%f0, %f0		! return absolute value
56*cdb65da5SriastradhEND(fabs)
57