sysdeps/alpha/fpu/s_lrintf.c

   1 /* Copyright (C) 2007-2015 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library.  If not, see
  16    <http://www.gnu.org/licenses/>.  */
  17
  18 #define __llrintf       not___llrintf
  19 #define llrintf         not_llrintf
  20 #include <math.h>
  21 #undef __llrintf
  22 #undef llrintf
  23
  24 long int
  25 __lrintf (float x)
  26 {
  27   double tmp;
  28   long ret;
  29
  30   __asm ("cvtst/s %2,%1\n\tcvttq/svd %1,%0"
  31          : "=&f"(ret), "=&f"(tmp) : "f"(x));
  32
  33   return ret;
  34 }
  35
  36 strong_alias (__lrintf, __llrintf)
  37 weak_alias (__lrintf, lrintf)
  38 weak_alias (__llrintf, llrintf)