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| author | Stefan Liebler <stli@linux.ibm.com> | 2018-12-18 13:57:07 +0100 |
|---|---|---|
| committer | Stefan Liebler <stli@linux.ibm.com> | 2018-12-18 13:57:07 +0100 |
| commit | d097d97626e44bc6e76d5daf80ce3ff7d147b623 (patch) | |
| tree | d29b4efc0ba2f05ab9c33836f5883f7310c41ad8 | |
| parent | e099aab060df178a7fcd5a55282650fe45ccea66 (diff) | |
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S390: Use memcpy for forward cases in memmove.
The s390/s390x memcpy implementations are safe to be
used by memmove. Starting with this commit, memmove is
using memcpy for the forward cases on s390.
ChangeLog:
* sysdeps/s390/memcopy.h: New file.
| -rw-r--r-- | ChangeLog | 4 | ||||
| -rw-r--r-- | sysdeps/s390/memcopy.h | 23 |
2 files changed, 27 insertions, 0 deletions
@@ -1,5 +1,9 @@ 2018-12-18 Stefan Liebler <stli@linux.ibm.com> + * sysdeps/s390/memcopy.h: New file. + +2018-12-18 Stefan Liebler <stli@linux.ibm.com> + * sysdeps/s390/s390-32/bcopy.S: Remove. * sysdeps/s390/s390-64/bcopy.S: Likewise. diff --git a/sysdeps/s390/memcopy.h b/sysdeps/s390/memcopy.h new file mode 100644 index 0000000000..9a76196502 --- /dev/null +++ b/sysdeps/s390/memcopy.h @@ -0,0 +1,23 @@ +/* memcopy.h -- definitions for memory copy functions. + Copyright (C) 2018 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/>. */ + +#include <sysdeps/generic/memcopy.h> + +/* The s390/s390x memcpy implementations are safe to be used by memmove. */ +#undef MEMCPY_OK_FOR_FWD_MEMMOVE +#define MEMCPY_OK_FOR_FWD_MEMMOVE 1 |