sysdeps/sparc/sparc64/fpu/s_isinf.S

   1 /* isinf().  sparc64 version.
   2    Copyright (C) 2012-2014 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   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
  21 ENTRY (__isinf)
  22         std     %f0, [%sp + STACK_BIAS + 128]
  23         sethi   %hi(0x7ff00000), %o2
  24         ldx     [%sp + STACK_BIAS + 128], %g1
  25         sllx    %o2, 32, %o2
  26         sllx    %g1, 1, %o4
  27         srlx    %o4, 1, %o5
  28         srax    %g1, 62, %o0
  29         xor     %o5, %o2, %o3
  30         retl
  31          movrne %o3, %g0, %o0
  32 END (__isinf)
  33 hidden_def (__isinf)
  34 weak_alias (__isinf, isinf)