diff options
Diffstat (limited to 'sysdeps/x86_64/multiarch/dl-symbol-redir-ifunc.h')
| -rw-r--r-- | sysdeps/x86_64/multiarch/dl-symbol-redir-ifunc.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/sysdeps/x86_64/multiarch/dl-symbol-redir-ifunc.h b/sysdeps/x86_64/multiarch/dl-symbol-redir-ifunc.h new file mode 100644 index 0000000000..64f9996854 --- /dev/null +++ b/sysdeps/x86_64/multiarch/dl-symbol-redir-ifunc.h @@ -0,0 +1,34 @@ +/* Symbol rediretion for loader/static initialization code. + Copyright (C) 2022 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ + +#ifndef _DL_IFUNC_GENERIC_H +#define _DL_IFUNC_GENERIC_H + +#include <isa-level.h> + +#if MINIMUM_X86_ISA_LEVEL >= 4 +# define HAVE_MEMSET_IFUNC_GENERIC "__memset_evex_unaligned" +#elif MINIMUM_X86_ISA_LEVEL == 3 +# define HAVE_MEMSET_IFUNC_GENERIC "__memset_avx2_unaligned" +#else +# define HAVE_MEMSET_IFUNC_GENERIC "__memset_sse2_unaligned" +#endif + +asm ("memset = " HAVE_MEMSET_IFUNC_GENERIC); + +#endif |