|
 |
ce426f |
From b860ebda47c7964db0582d65ad949780c4c784c5 Mon Sep 17 00:00:00 2001
|
|
|
ce426f |
From: Rajalakshmi Srinivasaraghavan <raji@linux.vnet.ibm.com>
|
|
|
ce426f |
Date: Wed, 30 Jul 2014 05:39:07 -0500
|
|
|
ce426f |
Subject: [PATCH] PowerPC: multiarch strlen for PowerPC64
|
|
|
ce426f |
|
|
|
ce426f |
commit a65f4904ab96de789d13f2c4f27c2d82959a546d
|
|
|
ce426f |
Author: Adhemerval Zanella <azanella@linux.vnet.ibm.com>
|
|
|
ce426f |
Date: Fri Dec 13 14:38:17 2013 -0500
|
|
|
ce426f |
---
|
|
|
ce426f |
sysdeps/powerpc/powerpc64/multiarch/Makefile | 2 +-
|
|
|
ce426f |
.../powerpc/powerpc64/multiarch/ifunc-impl-list.c | 7 ++++
|
|
|
ce426f |
.../powerpc/powerpc64/multiarch/strlen-power7.S | 38 ++++++++++++++++++++
|
|
|
ce426f |
sysdeps/powerpc/powerpc64/multiarch/strlen-ppc64.S | 40 +++++++++++++++++++++
|
|
|
ce426f |
sysdeps/powerpc/powerpc64/multiarch/strlen.c | 41 ++++++++++++++++++++++
|
|
|
ce426f |
5 files changed, 127 insertions(+), 1 deletion(-)
|
|
|
ce426f |
create mode 100644 sysdeps/powerpc/powerpc64/multiarch/strlen-power7.S
|
|
|
ce426f |
create mode 100644 sysdeps/powerpc/powerpc64/multiarch/strlen-ppc64.S
|
|
|
ce426f |
create mode 100644 sysdeps/powerpc/powerpc64/multiarch/strlen.c
|
|
|
ce426f |
|
|
|
ce426f |
diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/Makefile glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/Makefile
|
|
|
ce426f |
index 695112c..9da7be1 100644
|
|
|
ce426f |
--- glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/Makefile
|
|
|
ce426f |
+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/Makefile
|
|
|
ce426f |
@@ -5,5 +5,5 @@ sysdep_routines += memcpy-power7 memcpy-a2 memcpy-power6 memcpy-cell \
|
|
|
ce426f |
memset-ppc64 bzero-power4 bzero-power6 bzero-power7 \
|
|
|
ce426f |
mempcpy-power7 mempcpy-ppc64 memchr-power7 memchr-ppc64 \
|
|
|
ce426f |
memrchr-power7 memrchr-ppc64 rawmemchr-power7 \
|
|
|
ce426f |
- rawmemchr-ppc64
|
|
|
ce426f |
+ rawmemchr-ppc64 strlen-power7 strlen-ppc64
|
|
|
ce426f |
endif
|
|
|
ce426f |
diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c
|
|
|
ce426f |
index 5b15c3f..bdc908b 100644
|
|
|
ce426f |
--- glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c
|
|
|
ce426f |
+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c
|
|
|
ce426f |
@@ -70,6 +70,13 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
|
|
|
ce426f |
IFUNC_IMPL_ADD (array, i, memset, hwcap & PPC_FEATURE_POWER4,
|
|
|
ce426f |
__memset_power4)
|
|
|
ce426f |
IFUNC_IMPL_ADD (array, i, memset, 1, __memset_ppc))
|
|
|
ce426f |
+
|
|
|
ce426f |
+ /* Support sysdeps/powerpc/powerpc64/multiarch/strlen.c. */
|
|
|
ce426f |
+ IFUNC_IMPL (i, name, strlen,
|
|
|
ce426f |
+ IFUNC_IMPL_ADD (array, i, strlen, hwcap & PPC_FEATURE_HAS_VSX,
|
|
|
ce426f |
+ __strlen_power7)
|
|
|
ce426f |
+ IFUNC_IMPL_ADD (array, i, strlen, 1,
|
|
|
ce426f |
+ __strlen_ppc))
|
|
|
ce426f |
#endif
|
|
|
ce426f |
|
|
|
ce426f |
/* Support sysdeps/powerpc/powerpc64/multiarch/memcmp.c. */
|
|
|
ce426f |
diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/strlen-power7.S glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/strlen-power7.S
|
|
|
ce426f |
new file mode 100644
|
|
|
ce426f |
index 0000000..a38521d
|
|
|
ce426f |
--- /dev/null
|
|
|
ce426f |
+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/strlen-power7.S
|
|
|
ce426f |
@@ -0,0 +1,38 @@
|
|
|
ce426f |
+/* Optimized strlen implementation for POWER7.
|
|
|
ce426f |
+ Copyright (C) 2013-2014 Free Software Foundation, Inc.
|
|
|
ce426f |
+ This file is part of the GNU C Library.
|
|
|
ce426f |
+
|
|
|
ce426f |
+ The GNU C Library is free software; you can redistribute it and/or
|
|
|
ce426f |
+ modify it under the terms of the GNU Lesser General Public
|
|
|
ce426f |
+ License as published by the Free Software Foundation; either
|
|
|
ce426f |
+ version 2.1 of the License, or (at your option) any later version.
|
|
|
ce426f |
+
|
|
|
ce426f |
+ The GNU C Library is distributed in the hope that it will be useful,
|
|
|
ce426f |
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
ce426f |
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
|
ce426f |
+ Lesser General Public License for more details.
|
|
|
ce426f |
+
|
|
|
ce426f |
+ You should have received a copy of the GNU Lesser General Public
|
|
|
ce426f |
+ License along with the GNU C Library; if not, see
|
|
|
ce426f |
+ <http://www.gnu.org/licenses/>. */
|
|
|
ce426f |
+
|
|
|
ce426f |
+#include <sysdep.h>
|
|
|
ce426f |
+
|
|
|
ce426f |
+#undef ENTRY
|
|
|
ce426f |
+#define ENTRY(name) \
|
|
|
ce426f |
+ .section ".text"; \
|
|
|
ce426f |
+ ENTRY_2(__strlen_power7) \
|
|
|
ce426f |
+ .align ALIGNARG(2); \
|
|
|
ce426f |
+ BODY_LABEL(__strlen_power7): \
|
|
|
ce426f |
+ cfi_startproc;
|
|
|
ce426f |
+
|
|
|
ce426f |
+#undef END
|
|
|
ce426f |
+#define END(name) \
|
|
|
ce426f |
+ cfi_endproc; \
|
|
|
ce426f |
+ TRACEBACK(__strlen_power7) \
|
|
|
ce426f |
+ END_2(__strlen_power7)
|
|
|
ce426f |
+
|
|
|
ce426f |
+#undef libc_hidden_builtin_def
|
|
|
ce426f |
+#define libc_hidden_builtin_def(name)
|
|
|
ce426f |
+
|
|
|
ce426f |
+#include <sysdeps/powerpc/powerpc64/power7/strlen.S>
|
|
|
ce426f |
diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/strlen-ppc64.S glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/strlen-ppc64.S
|
|
|
ce426f |
new file mode 100644
|
|
|
ce426f |
index 0000000..b463b3a
|
|
|
ce426f |
--- /dev/null
|
|
|
ce426f |
+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/strlen-ppc64.S
|
|
|
ce426f |
@@ -0,0 +1,40 @@
|
|
|
ce426f |
+/* Default strlen implementation for PowerPC64.
|
|
|
ce426f |
+ Copyright (C) 2013-2014 Free Software Foundation, Inc.
|
|
|
ce426f |
+ This file is part of the GNU C Library.
|
|
|
ce426f |
+
|
|
|
ce426f |
+ The GNU C Library is free software; you can redistribute it and/or
|
|
|
ce426f |
+ modify it under the terms of the GNU Lesser General Public
|
|
|
ce426f |
+ License as published by the Free Software Foundation; either
|
|
|
ce426f |
+ version 2.1 of the License, or (at your option) any later version.
|
|
|
ce426f |
+
|
|
|
ce426f |
+ The GNU C Library is distributed in the hope that it will be useful,
|
|
|
ce426f |
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
ce426f |
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
|
ce426f |
+ Lesser General Public License for more details.
|
|
|
ce426f |
+
|
|
|
ce426f |
+ You should have received a copy of the GNU Lesser General Public
|
|
|
ce426f |
+ License along with the GNU C Library; if not, see
|
|
|
ce426f |
+ <http://www.gnu.org/licenses/>. */
|
|
|
ce426f |
+
|
|
|
ce426f |
+#include <sysdep.h>
|
|
|
ce426f |
+
|
|
|
ce426f |
+#if defined SHARED && !defined NOT_IN_libc
|
|
|
ce426f |
+# undef ENTRY
|
|
|
ce426f |
+# define ENTRY(name) \
|
|
|
ce426f |
+ .section ".text"; \
|
|
|
ce426f |
+ ENTRY_2(__strlen_ppc) \
|
|
|
ce426f |
+ .align ALIGNARG(2); \
|
|
|
ce426f |
+ BODY_LABEL(__strlen_ppc): \
|
|
|
ce426f |
+ cfi_startproc;
|
|
|
ce426f |
+
|
|
|
ce426f |
+# undef END
|
|
|
ce426f |
+# define END(name) \
|
|
|
ce426f |
+ cfi_endproc; \
|
|
|
ce426f |
+ TRACEBACK(__strlen_ppc) \
|
|
|
ce426f |
+ END_2(__strlen_ppc)
|
|
|
ce426f |
+
|
|
|
ce426f |
+# undef libc_hidden_builtin_def
|
|
|
ce426f |
+# define libc_hidden_builtin_def(name)
|
|
|
ce426f |
+#endif
|
|
|
ce426f |
+
|
|
|
ce426f |
+#include <sysdeps/powerpc/powerpc64/strlen.S>
|
|
|
ce426f |
diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/strlen.c glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/strlen.c
|
|
|
ce426f |
new file mode 100644
|
|
|
ce426f |
index 0000000..d2c26e9
|
|
|
ce426f |
--- /dev/null
|
|
|
ce426f |
+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/strlen.c
|
|
|
ce426f |
@@ -0,0 +1,41 @@
|
|
|
ce426f |
+/* Multiple versions of strlen. PowerPC64 version.
|
|
|
ce426f |
+ Copyright (C) 2013-2014 Free Software Foundation, Inc.
|
|
|
ce426f |
+ This file is part of the GNU C Library.
|
|
|
ce426f |
+
|
|
|
ce426f |
+ The GNU C Library is free software; you can redistribute it and/or
|
|
|
ce426f |
+ modify it under the terms of the GNU Lesser General Public
|
|
|
ce426f |
+ License as published by the Free Software Foundation; either
|
|
|
ce426f |
+ version 2.1 of the License, or (at your option) any later version.
|
|
|
ce426f |
+
|
|
|
ce426f |
+ The GNU C Library is distributed in the hope that it will be useful,
|
|
|
ce426f |
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
ce426f |
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
|
ce426f |
+ Lesser General Public License for more details.
|
|
|
ce426f |
+
|
|
|
ce426f |
+ You should have received a copy of the GNU Lesser General Public
|
|
|
ce426f |
+ License along with the GNU C Library; if not, see
|
|
|
ce426f |
+ <http://www.gnu.org/licenses/>. */
|
|
|
ce426f |
+
|
|
|
ce426f |
+#if defined SHARED && !defined NOT_IN_libc
|
|
|
ce426f |
+/* Redefine strlen so that the compiler won't complain about the type
|
|
|
ce426f |
+ mismatch with the IFUNC selector in strong_alias, below. */
|
|
|
ce426f |
+# undef strlen
|
|
|
ce426f |
+# define strlen __redirect_strlen
|
|
|
ce426f |
+# include <string.h>
|
|
|
ce426f |
+# include <shlib-compat.h>
|
|
|
ce426f |
+# include "init-arch.h"
|
|
|
ce426f |
+
|
|
|
ce426f |
+extern __typeof (__redirect_strlen) __libc_strlen;
|
|
|
ce426f |
+
|
|
|
ce426f |
+extern __typeof (__redirect_strlen) __strlen_ppc attribute_hidden;
|
|
|
ce426f |
+extern __typeof (__redirect_strlen) __strlen_power7 attribute_hidden;
|
|
|
ce426f |
+
|
|
|
ce426f |
+libc_ifunc (__libc_strlen,
|
|
|
ce426f |
+ (hwcap & PPC_FEATURE_HAS_VSX)
|
|
|
ce426f |
+ ? __strlen_power7
|
|
|
ce426f |
+ : __strlen_ppc);
|
|
|
ce426f |
+
|
|
|
ce426f |
+#undef strlen
|
|
|
ce426f |
+strong_alias (__libc_strlen, strlen)
|
|
|
ce426f |
+libc_hidden_ver (__libc_strlen, strlen)
|
|
|
ce426f |
+#endif
|
|
|
ce426f |
--
|
|
|
ce426f |
1.8.3.1
|
|
|
ce426f |
|