1 /* isnan(). PowerPC32 version.
2 Copyright (C) 2008-2014 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
20 #include <math_ldbl_opt.h>
24 EALIGN (__isnan, 4, 0)
26 mtfsb0 4*cr6+lt /* reset_fpscr_bit (FPSCR_VE) */
30 beqlr+ cr7 /* (x == x) then not a NAN */
31 li r3,1 /* else must be a NAN */
36 weak_alias (__isnan, isnan)
38 /* It turns out that the 'double' version will also always work for
41 strong_alias (__isnan, __isnanf)
43 weak_alias (__isnanf, isnanf)
47 strong_alias (__isnan, __isnanl)
48 weak_alias (__isnan, isnanl)
52 # if LONG_DOUBLE_COMPAT(libc, GLIBC_2_0)
53 compat_symbol (libc, __isnan, __isnanl, GLIBC_2_0);
54 compat_symbol (libc, isnan, isnanl, GLIBC_2_0);