sysdeps/alpha/fpu/s_fmin.S

   1 /* Copyright (C) 2007 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Richard Henderson.
   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    <http://www.gnu.org/licenses/>.  */
  18
  19 #include <sysdep.h>
  20 #include <math_ldbl_opt.h>
  21
  22         .set noat
  23         .set noreorder
  24
  25         .text
  26 ENTRY (__fmin)
  27         .prologue 0
  28
  29         cmptun/su       $f16, $f16, $f10
  30         cmptun/su       $f17, $f17, $f11
  31         fmov            $f17, $f0
  32         unop
  33
  34         trapb
  35         fbne            $f10, $ret
  36         fmov            $f16, $f0
  37         fbne            $f11, $ret
  38
  39         cmptlt/su       $f17, $f16, $f11
  40         trapb
  41         fcmovne         $f11, $f17, $f0
  42 $ret:   ret
  43
  44 END (__fmin)
  45
  46 /* Given the in-register format of single-precision, this works there too.  */
  47 strong_alias (__fmin, __fminf)
  48 weak_alias (__fminf, fminf)
  49
  50 weak_alias (__fmin, fmin)
  51 #ifdef NO_LONG_DOUBLE
  52 strong_alias (__fmin, __fminl)
  53 weak_alias (__fminl, fminl)
  54 #endif
  55 #if LONG_DOUBLE_COMPAT(libm, GLIBC_2_1)
  56 compat_symbol (libm, __fmin, fminl, GLIBC_2_1);
  57 #endif