diff options
Diffstat (limited to 'ports/sysdeps/alpha/fpu/s_fmax.S')
| -rw-r--r-- | ports/sysdeps/alpha/fpu/s_fmax.S | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/ports/sysdeps/alpha/fpu/s_fmax.S b/ports/sysdeps/alpha/fpu/s_fmax.S new file mode 100644 index 0000000000..3c45c33353 --- /dev/null +++ b/ports/sysdeps/alpha/fpu/s_fmax.S @@ -0,0 +1,57 @@ +/* Copyright (C) 2007 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 |