sysdeps/sparc/sparc32/fpu/s_fdim.S

   1 /* Compute positive difference, sparc 32-bit.
   2    Copyright (C) 2013-2015 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4    Contributed by David S. Miller <davem@davemloft.net>.
   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    <http://www.gnu.org/licenses/>.  */
  19
  20 #include <sysdep.h>
  21 #include <math_ldbl_opt.h>
  22
  23 ENTRY(__fdim)
  24         std     %o0, [%sp + 72]
  25         std     %o2, [%sp + 80]
  26         ldd     [%sp + 72], %f0
  27         ldd     [%sp + 80], %f2
  28         fcmpd   %f0, %f2
  29         st      %g0, [%sp + 72]
  30         fbug    1f
  31          st     %g0, [%sp + 76]
  32         ldd     [%sp + 72], %f0
  33         fnegs   %f0, %f2
  34         fmovs   %f1, %f3
  35 1:      retl
  36          fsubd  %f0, %f2, %f0
  37 END(__fdim)
  38 weak_alias (__fdim, fdim)
  39
  40 #if LONG_DOUBLE_COMPAT(libm, GLIBC_2_1)
  41 compat_symbol (libm, __fdim, fdiml, GLIBC_2_1);
  42 #endif