/* Compute maximum of two numbers, regarding NaN as missing argument. Copyright (C) 1997-2016 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper , 1997. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see . */ #include .text ENTRY(__fmaxl) fldt 8(%rsp) // x fldt 24(%rsp) // x : y fucomi %st(0), %st fcmovu %st(1), %st // now %st contains y if not NaN, x otherwise fxch fucomi %st(1), %st fcmovb %st(1), %st fstp %st(1) ret END(__fmaxl) weak_alias (__fmaxl, fmaxl)