sysdeps/loongarch/lp64/multiarch/ifunc-lasx.h

   1 /* Common definition for ifunc selection implementation.
   2    All versions must be listed in ifunc-impl-list.c.
   3    Copyright (C) 2023-2024 Free Software Foundation, Inc.
   4    This file is part of the GNU C Library.
   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 <ldsodefs.h>
  21 #include <ifunc-init.h>
  22
  23 #if !defined __loongarch_soft_float
  24 extern __typeof (REDIRECT_NAME) OPTIMIZE (lasx) attribute_hidden;
  25 extern __typeof (REDIRECT_NAME) OPTIMIZE (lsx) attribute_hidden;
  26 #endif
  27
  28 extern __typeof (REDIRECT_NAME) OPTIMIZE (aligned) attribute_hidden;
  29 extern __typeof (REDIRECT_NAME) OPTIMIZE (unaligned) attribute_hidden;
  30
  31 static inline void *
  32 IFUNC_SELECTOR (void)
  33 {
  34 #if !defined __loongarch_soft_float
  35   if (SUPPORT_LASX)
  36     return OPTIMIZE (lasx);
  37   else if (SUPPORT_LSX)
  38     return OPTIMIZE (lsx);
  39   else
  40 #endif
  41   if (SUPPORT_UAL)
  42     return OPTIMIZE (unaligned);
  43   else
  44     return OPTIMIZE (aligned);
  45 }