sysdeps/x86_64/wcsncmp.S

   1 /* wcsncmp dispatch for RTLD and non-multiarch .c files
   2    Copyright (C) 2022-2023 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 /* wcsncmp non-multiarch build is split into two files,
  20    wcsncmp-generic.c and wcsncmp.S. The wcsncmp.S build is for
  21    ISA level >= 3 uses the optimized assembly implementations in
  22    multiarch/wcsncmp*.S.  This must be split into two files because
  23    we cannot include C code from assembly or vice versa.  */
  24
  25 #include <isa-level.h>
  26
  27 #if MINIMUM_X86_ISA_LEVEL >= 3
  28
  29 /* Symbol = wcsncmp.  */
  30
  31 # define DEFAULT_IMPL_V3        "multiarch/wcsncmp-avx2.S"
  32 # define DEFAULT_IMPL_V4        "multiarch/wcsncmp-evex.S"
  33
  34 /* isa-default-impl.h expects DEFAULT_IMPL_V1 to be defined but it
  35    should never be used from here.  */
  36 # define DEFAULT_IMPL_V1        "ERROR -- Invalid ISA IMPL"
  37
  38 # include "isa-default-impl.h"
  39
  40 #endif