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PowerPC: multiarch strcpy for PowerPC64

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Adhemerval Zanella 2013-12-13 14:54:41 -05:00
parent e28bcd427b
commit 7f5ec11336
6 changed files with 134 additions and 1 deletions
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11
ChangeLog
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@ -1,3 +1,14 @@
2013-12-13 Adhemerval Zanella <azanella@linux.vnet.ibm.com>
* sysdeps/powerpc/powerpc64/multiarch/Makefile: Add strcpy
multiarch implementations.
* sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c
(__libc_ifunc_impl_list): Likewise.
* sysdeps/powerpc/powerpc64/multiarch/strcpy-power7.c: New file.
* sysdeps/powerpc/powerpc64/multiarch/strcpy-ppc64.c: New file.
* sysdeps/powerpc/powerpc64/multiarch/strcpy.c : New file:
multiarch strcpy for PPC64.
2013-12-13 Adhemerval Zanella <azanella@linux.vnet.ibm.com>
* string/wordcopy.c (_wordcopy_fwd_aligned): Add define to

3
sysdeps/powerpc/powerpc64/multiarch/Makefile
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@ -12,7 +12,8 @@ sysdep_routines += memcpy-power7 memcpy-a2 memcpy-power6 memcpy-cell \
strchrnul-power7 strchrnul-ppc64 wcschr-power7 \
wcschr-power6 wcschr-ppc64 wcsrchr-power7 wcsrchr-power6 \
wcsrchr-ppc64 wcscpy-power7 wcscpy-power6 wcscpy-ppc64 \
wordcopy-power7 wordcopy-power6 wordcopy-ppc64
wordcopy-power7 wordcopy-power6 wordcopy-ppc64 \
strcpy-power7 strcpy-ppc64
CFLAGS-strncase-power7.c += -mcpu=power7 -funroll-loops
CFLAGS-strncase_l-power7.c += -mcpu=power7 -funroll-loops

7
sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c
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@ -71,6 +71,13 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
__memset_power4)
IFUNC_IMPL_ADD (array, i, memset, 1, __memset_ppc))
/* Support sysdeps/powerpc/powerpc64/multiarch/strcpy.c. */
IFUNC_IMPL (i, name, strcpy,
IFUNC_IMPL_ADD (array, i, strcpy, hwcap & PPC_FEATURE_HAS_VSX,
__strcpy_power7)
IFUNC_IMPL_ADD (array, i, strcpy, 1,
__strcpy_ppc))
/* Support sysdeps/powerpc/powerpc64/multiarch/strlen.c. */
IFUNC_IMPL (i, name, strlen,
IFUNC_IMPL_ADD (array, i, strlen, hwcap & PPC_FEATURE_HAS_VSX,

40
sysdeps/powerpc/powerpc64/multiarch/strcpy-power7.S Normal file
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@ -0,0 +1,40 @@
/* Optimized strcpy implementation for POWER7.
Copyright (C) 2013 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>
#undef EALIGN
#define EALIGN(name, alignt, words) \
.section ".text"; \
ENTRY_2(__strcpy_power7) \
.align ALIGNARG(alignt); \
EALIGN_W_##words; \
BODY_LABEL(__strcpy_power7): \
cfi_startproc; \
LOCALENTRY(__strcpy_power7)
#undef END
#define END(name) \
cfi_endproc; \
TRACEBACK(__strcpy_power7) \
END_2(__strcpy_power7)
#undef libc_hidden_builtin_def
#define libc_hidden_builtin_def(name)
#include <sysdeps/powerpc/powerpc64/power7/strcpy.S>

43
sysdeps/powerpc/powerpc64/multiarch/strcpy-ppc64.S Normal file
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@ -0,0 +1,43 @@
/* Default strcpy implementation for PowerPC64.
Copyright (C) 2013 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(__strcpy_ppc) \
.align ALIGNARG(alignt); \
EALIGN_W_##words; \
BODY_LABEL(__strcpy_ppc): \
cfi_startproc; \
LOCALENTRY(__strcpy_ppc)
# undef END
# define END(name) \
cfi_endproc; \
TRACEBACK(__strcpy_ppc) \
END_2(__strcpy_ppc)
# undef libc_hidden_builtin_def
# define libc_hidden_builtin_def(name) \
.globl __GI_strcpy; __GI_strcpy = __strcpy_ppc
#endif
#include <sysdeps/powerpc/powerpc64/strcpy.S>

31
sysdeps/powerpc/powerpc64/multiarch/strcpy.c Normal file
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@ -0,0 +1,31 @@
/* Multiple versions of strcpy. PowerPC64 version.
Copyright (C) 2013 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 && !defined NOT_IN_libc
# include <string.h>
# include <shlib-compat.h>
# include "init-arch.h"
extern __typeof (strcpy) __strcpy_ppc attribute_hidden;
extern __typeof (strcpy) __strcpy_power7 attribute_hidden;
libc_ifunc (strcpy,
(hwcap & PPC_FEATURE_HAS_VSX)
? __strcpy_power7
: __strcpy_ppc);
#endif