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PowerPC: multiarch strchrnul for PowerPC64

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This commit is contained in:
Adhemerval Zanella 2013-12-13 14:50:26 -05:00
parent 372dc060e0
commit 9ee2969b05
6 changed files with 116 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 strchrnul
multiarch implementations.
* sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c
(__libc_ifunc_impl_list): Likewise.
* sysdeps/powerpc/powerpc64/multiarch/strchrnul-power7.S: New file.
* sysdeps/powerpc/powerpc64/multiarch/strchrnul-ppc64.c: New file.
* sysdeps/powerpc/powerpc64/multiarch/strchrnul.c: New file:
multiarch strchrnul for PPC64.
2013-12-13 Adhemerval Zanella <azanella@linux.vnet.ibm.com>
* sysdeps/powerpc/powerpc64/multiarch/Makefile: Add strchr multiarch

3
sysdeps/powerpc/powerpc64/multiarch/Makefile
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@ -8,7 +8,8 @@ sysdep_routines += memcpy-power7 memcpy-a2 memcpy-power6 memcpy-cell \
rawmemchr-ppc64 strlen-power7 strlen-ppc64 strnlen-power7 \
strnlen-ppc64 strcasecmp-power7 strcasecmp_l-power7 \
strncase-power7 strncase_l-power7 strncmp-power7 \
strncmp-power4 strncmp-ppc64 strchr-power7 strchr-ppc64
strncmp-power4 strncmp-ppc64 strchr-power7 strchr-ppc64 \
strchrnul-power7 strchrnul-ppc64
CFLAGS-strncase-power7.c += -mcpu=power7 -funroll-loops
CFLAGS-strncase_l-power7.c += -mcpu=power7 -funroll-loops

8
sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c
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@ -94,6 +94,14 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
__strchr_power7)
IFUNC_IMPL_ADD (array, i, strchr, 1,
__strchr_ppc))
/* Support sysdeps/powerpc/powerpc64/multiarch/strchrnul.c. */
IFUNC_IMPL (i, name, strchrnul,
IFUNC_IMPL_ADD (array, i, strchrnul,
hwcap & PPC_FEATURE_HAS_VSX,
__strchrnul_power7)
IFUNC_IMPL_ADD (array, i, strchrnul, 1,
__strchrnul_ppc))
#endif
/* Support sysdeps/powerpc/powerpc64/multiarch/memcmp.c. */

39
sysdeps/powerpc/powerpc64/multiarch/strchrnul-power7.S Normal file
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@ -0,0 +1,39 @@
/* Optimized strchrnul 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 ENTRY
#define ENTRY(name) \
.section ".text"; \
ENTRY_2(__strchrnul_power7) \
.align ALIGNARG(2); \
BODY_LABEL(__strchrnul_power7): \
cfi_startproc; \
LOCALENTRY(__strchrnul_power7)
#undef END
#define END(name) \
cfi_endproc; \
TRACEBACK(__strchrnul_power7) \
END_2(__strchrnul_power7)
#undef libc_hidden_builtin_def
#define libc_hidden_builtin_def(name)
#include <sysdeps/powerpc/powerpc64/power7/strchrnul.S>

19
sysdeps/powerpc/powerpc64/multiarch/strchrnul-ppc64.c Normal file
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@ -0,0 +1,19 @@
/* PowerPC64 default implementation of strchrnul.
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 <sysdeps/powerpc/powerpc32/power4/multiarch/strchrnul-ppc32.c>

37
sysdeps/powerpc/powerpc64/multiarch/strchrnul.c Normal file
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@ -0,0 +1,37 @@
/* Multiple versions of strchrnul.
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/>. */
#ifndef NOT_IN_libc
# include <string.h>
# include <shlib-compat.h>
# include "init-arch.h"
extern __typeof (__strchrnul) __strchrnul_ppc attribute_hidden;
extern __typeof (__strchrnul) __strchrnul_power7 attribute_hidden;
/* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle
ifunc symbol properly. */
libc_ifunc (__strchrnul,
(hwcap & PPC_FEATURE_HAS_VSX)
? __strchrnul_power7
: __strchrnul_ppc);
weak_alias (__strchrnul, strchrnul)
#else
#include <string/strchrnul.c>
#endif