1 /* Compute minimum of two numbers, regarding NaN as missing argument.
2 Copyright (C) 2002-2017 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Andreas Jaeger <aj@suse.de>, 2002.
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, see
18 <http://www.gnu.org/licenses/>. */
21 #include <libm-alias-float.h>
26 jp 1f // jump if unordered
30 1: ucomiss %xmm1, %xmm1 // Is xmm1 a NaN?
32 // xmm0 is a NaN; xmm1 is not. Test if xmm0 is signaling.
36 movss %xmm1, %xmm0 // otherwise return xmm1
39 3: // xmm1 is a NaN; xmm0 may or may not be.
42 // xmm1 is a NaN; xmm0 is not. Test if xmm1 is signaling.
48 4: // Both arguments are NaNs, or one is a signaling NaN.
53 libm_alias_float (__fmin, fmin)