diff options
Diffstat (limited to 'sysdeps/i386/i686/multiarch/memcpy-ia32.S')
-rw-r--r-- | sysdeps/i386/i686/multiarch/memcpy-ia32.S | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/sysdeps/i386/i686/multiarch/memcpy-ia32.S b/sysdeps/i386/i686/multiarch/memcpy-ia32.S new file mode 100644 index 0000000000..51ec4d43cc --- /dev/null +++ b/sysdeps/i386/i686/multiarch/memcpy-ia32.S @@ -0,0 +1,31 @@ +/* memcpy optimized for i686. + Copyright (C) 2017 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 + <http://www.gnu.org/licenses/>. */ + +#if defined SHARED && IS_IN (libc) +# define memcpy __memcpy_ia32 +# define __memcpy_chk __memcpy_chk_ia32 + +# undef libc_hidden_builtin_def +/* IFUNC doesn't work with the hidden functions in shared library since + they will be called without setting up EBX needed for PLT which is + used by IFUNC. */ +# define libc_hidden_builtin_def(name) \ + .globl __GI_memcpy; __GI_memcpy = memcpy +#endif + +#include <sysdeps/i386/i686/memcpy.S> |