sysdeps/powerpc/powerpc64/le/fpu/multiarch/float128-ifunc-macros.h

   1 /* _Float128 aliasing macro support for ifunc generation on PPC.
   2    Copyright (C) 2020-2021 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 #ifndef _FLOAT128_IFUNC_MACROS_PPC64LE
  20 #define _FLOAT128_IFUNC_MACROS_PPC64LE 1
  21
  22 /* Bring in the various alias-providing headers, and disable
  23    _Float128 related macros.  This prevents exporting any ABI
  24    from _Float128 implementation objects.  */
  25 #include <libm-alias-float128.h>
  26 #include <libm-alias-finite.h>
  27
  28 #undef libm_alias_float128_r
  29 #undef libm_alias_finite
  30 #undef libm_alias_exclusive_ldouble
  31 #undef libm_alias_float128_other_r_ldbl
  32 #undef declare_mgen_finite_alias
  33 #undef declare_mgen_alias
  34 #undef declare_mgen_alias_r
  35
  36 #define libm_alias_finite(from, to)
  37 #define libm_alias_float128_r(from, to, r)
  38 #define libm_alias_exclusive_ldouble(from, to)
  39 #define libm_alias_float128_other_r_ldbl(from, to, r)
  40 #define declare_mgen_finite_alias(from, to)
  41 #define declare_mgen_alias(from, to)
  42 #define declare_mgen_alias_r(from, to)
  43
  44 /*  Likewise, disable hidden symbol support.  This is not needed
  45     for the implementation objects as the redirects already give
  46     us this support.  This also means any non-_Float128 headers
  47     which provide hidden_def's should be included prior to this
  48     header (e.g fenv.h).  */
  49 #undef libm_hidden_def
  50 #define libm_hidden_def(func)
  51 #undef libm_hidden_proto
  52 #define libm_hidden_proto(f)
  53
  54 #include <float128-ifunc-redirect-macros.h>
  55
  56 #endif /* _FLOAT128_IFUNC_MACROS_PPC64LE */