negtf2.c revision 1.1 
1/* $NetBSD: negtf2.c,v 1.1 2011/01/17 10:08:35 matt Exp $ */
2
3/*
4 * Written by Matt Thomas, 2011.  This file is in the Public Domain.
5 */
6
7#include "softfloat-for-gcc.h"
8#include "milieu.h"
9#include "softfloat.h"
10
11#include <sys/cdefs.h>
12#if defined(LIBC_SCCS) && !defined(lint)
13__RCSID("$NetBSD: negtf2.c,v 1.1 2011/01/17 10:08:35 matt Exp $");
14#endif /* LIBC_SCCS and not lint */
15
16#ifdef FLOAT128
17
18float128 __negtf2(float128);
19
20float128
21__negtf2(float128 a)
22{
23
24	/* libgcc1.c says -a */
25	a.high ^= FLOAT64_MANGLE(0x8000000000000000ULL);
26	return a;
27}
28
29#endif /* FLOAT128 */
30