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Diffstat (limited to 'sysdeps/x86_64/wcpcpy.S')
-rw-r--r-- | sysdeps/x86_64/wcpcpy.S | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/sysdeps/x86_64/wcpcpy.S b/sysdeps/x86_64/wcpcpy.S new file mode 100644 index 0000000000..4e4fca71eb --- /dev/null +++ b/sysdeps/x86_64/wcpcpy.S @@ -0,0 +1,40 @@ +/* ISA level static dispatch for wcpcpy .S files. + 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/>. */ + +/* wcpcpy non-multiarch build is split into two files, + wcpcpy-generic.c and wcpcpy.S. The wcpcpy-generic.c build is + for ISA level <= 1 and just uses multiarch/wcpcpy-generic.c. + This must be split into two files because we cannot include C + code from assembly or vice versa. */ + +#include <isa-level.h> + +#if MINIMUM_X86_ISA_LEVEL >= 4 + +# define WCPCPY __wcpcpy + +# define DEFAULT_IMPL_V4 "multiarch/wcpcpy-evex.S" +/* isa-default-impl.h expects DEFAULT_IMPL_V1 to be defined but it + should never be used from here. */ +# define DEFAULT_IMPL_V1 "ERROR -- Invalid ISA IMPL" + +# include "isa-default-impl.h" + +weak_alias (__wcpcpy, wcpcpy) +libc_hidden_def (__wcpcpy) +#endif |