sysdeps/sparc/sparc32/fpu/s_copysignf.S

   1 /* float copysign function, sparc32 version.
   2    Copyright (C) 2012-2021 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4    Contributed by David S. Miller <davem@davemloft.net>, 2012.
   5
   6    The GNU C Library is free software; you can redistribute it and/or
   7    modify it under the terms of the GNU Lesser General Public
   8    License as published by the Free Software Foundation; either
   9    version 2.1 of the License, or (at your option) any later version.
  10
  11    The GNU C Library is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14    Lesser General Public License for more details.
  15
  16    You should have received a copy of the GNU Lesser General Public
  17    License along with the GNU C Library; if not, see
  18    <https://www.gnu.org/licenses/>.  */
  19
  20 #include <sysdep.h>
  21 #include <libm-alias-float.h>
  22
  23 ENTRY (__copysignf)
  24         sethi   %hi(0x80000000), %g1
  25         and     %o1, %g1, %o4
  26         andn    %o0, %g1, %o0
  27         or      %o0, %o4, %o0
  28         st      %o0, [%sp + 68]
  29         retl
  30          ld     [%sp + 68], %f0
  31 END (__copysignf)
  32 libm_alias_float (__copysign, copysign)