diff options
Diffstat (limited to 'REORG.TODO/sysdeps/i386/i686/fpu/s_fmaxf.S')
| -rw-r--r-- | REORG.TODO/sysdeps/i386/i686/fpu/s_fmaxf.S | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/i386/i686/fpu/s_fmaxf.S b/REORG.TODO/sysdeps/i386/i686/fpu/s_fmaxf.S new file mode 100644 index 0000000000..3a25951a09 --- /dev/null +++ b/REORG.TODO/sysdeps/i386/i686/fpu/s_fmaxf.S @@ -0,0 +1,39 @@ +/* Compute maximum of two numbers, regarding NaN as missing argument. + Copyright (C) 1997-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@cygnus.com>, 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 + <http://www.gnu.org/licenses/>. */ + +#include <sysdep.h> + + .text +ENTRY(__fmaxf) + flds 4(%esp) // x + flds 8(%esp) // 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(__fmaxf) +weak_alias (__fmaxf, fmaxf) |