sysdeps/sparc/sparc64/fpu/s_isinff.S

   1 /* isinff().  sparc64 version.
   2    Copyright (C) 2012-2019 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    <https://www.gnu.org/licenses/>.  */
  18
  19 #include <sysdep.h>
  20
  21 ENTRY (__isinff)
  22         st      %f1, [%sp + STACK_BIAS + 128]
  23         sethi   %hi(0x7f800000), %o2
  24         lduw    [%sp + STACK_BIAS + 128], %g1
  25         sll     %g1, 1, %o4
  26         srl     %o4, 1, %o5
  27         sra     %g1, 30, %o0
  28         xor     %o5, %o2, %o3
  29         retl
  30          movrne %o3, %g0, %o0
  31 END (__isinff)
  32 hidden_def (__isinff)
  33 weak_alias (__isinff, isinff)