mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-30 00:31:08 +00:00
19c4bec0f4
This patch changes de default symbol redirection for internal call of memcpy, memset, memchr, and strlen to the IFUNC resolved ones. The performance improvement is noticeable in algorithms that uses these symbols extensible, like the regex functions.
43 lines
1.4 KiB
ArmAsm
43 lines
1.4 KiB
ArmAsm
/* Default memcpy implementation for PowerPC64.
|
|
Copyright (C) 2013-2014 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 <sysdep.h>
|
|
|
|
#if defined SHARED && !defined NOT_IN_libc
|
|
# undef EALIGN
|
|
# define EALIGN(name, alignt, words) \
|
|
.section ".text"; \
|
|
ENTRY_2(__memcpy_ppc) \
|
|
.align ALIGNARG(alignt); \
|
|
EALIGN_W_##words; \
|
|
BODY_LABEL(__memcpy_ppc): \
|
|
cfi_startproc; \
|
|
LOCALENTRY(__memcpy_ppc)
|
|
|
|
# undef END_GEN_TB
|
|
# define END_GEN_TB(name, mask) \
|
|
cfi_endproc; \
|
|
TRACEBACK_MASK(__memcpy_ppc,mask) \
|
|
END_2(__memcpy_ppc)
|
|
|
|
# undef libc_hidden_builtin_def
|
|
# define libc_hidden_builtin_def(name)
|
|
#endif
|
|
|
|
#include <sysdeps/powerpc/powerpc64/memcpy.S>
|