glibc/sysdeps/alpha/fpu/s_fmax.S

58 lines
1.5 KiB
ArmAsm

/* Copyright (C) 2007-2017 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Richard Henderson.
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>
#include <math_ldbl_opt.h>
.set noat
.set noreorder
.text
ENTRY (__fmax)
.prologue 0
cmptun/su $f16, $f16, $f10
cmptun/su $f17, $f17, $f11
fmov $f17, $f0
unop
trapb
fbne $f10, $ret
fmov $f16, $f0
fbne $f11, $ret
cmptlt/su $f16, $f17, $f11
trapb
fcmovne $f11, $f17, $f0
$ret: ret
END (__fmax)
/* Given the in-register format of single-precision, this works there too. */
strong_alias (__fmax, __fmaxf)
weak_alias (__fmaxf, fmaxf)
weak_alias (__fmax, fmax)
#ifdef NO_LONG_DOUBLE
strong_alias (__fmax, __fmaxl)
weak_alias (__fmaxl, fmaxl)
#endif
#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_1)
compat_symbol (libm, __fmax, fmaxl, GLIBC_2_1);
#endif