1/* Compute minimum of two numbers, regarding NaN as missing argument. 2 Copyright (C) 1997-2022 Free Software Foundation, Inc. 3 This file is part of the GNU C Library. 4 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. 9 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. 14 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 <https://www.gnu.org/licenses/>. */ 18 19#include <sysdep.h> 20#include <libm-alias-float.h> 21 22 .text 23ENTRY(__fminf) 24 flds 4(%esp) // x 25 flds 8(%esp) // x : y 26 27 fxam 28 fnstsw 29 andb $0x45, %ah 30 cmpb $0x01, %ah 31 je 1f // y == NaN 32 33 fucom %st(1) 34 fnstsw 35 sahf 36 jc 2f 37 381: fxch %st(1) 392: fstp %st(1) 40 41 ret 42END(__fminf) 43libm_alias_float (__fmin, fmin) 44