base/SOURCES/glibc-rh731837-03.patch

From 3cd86ba149cd650c338332dddb63e16f95041daf Mon Sep 17 00:00:00 2001
From: Rajalakshmi Srinivasaraghavan <raji@linux.vnet.ibm.com>
Date: Wed, 30 Jul 2014 05:10:37 -0500
Subject: [PATCH] PowerPC: multiarch memset/bzero for PowerPC64

commit 8a29a3d00b5d8ce33fc291baecfd59d715190fd1
Author: Adhemerval Zanella <azanella@linux.vnet.ibm.com>
Date:   Fri Dec 13 14:33:16 2013 -0500

---
 sysdeps/powerpc/powerpc64/memset.S                 |  2 +
 sysdeps/powerpc/powerpc64/multiarch/Makefile       |  3 +-
 sysdeps/powerpc/powerpc64/multiarch/bzero-power4.S | 26 ++++++++++
 sysdeps/powerpc/powerpc64/multiarch/bzero-power6.S | 26 ++++++++++
 sysdeps/powerpc/powerpc64/multiarch/bzero-power7.S | 26 ++++++++++
 sysdeps/powerpc/powerpc64/multiarch/bzero.c        | 40 ++++++++++++++++
 .../powerpc/powerpc64/multiarch/ifunc-impl-list.c  | 20 ++++++++
 .../powerpc/powerpc64/multiarch/memset-power4.S    | 40 ++++++++++++++++
 .../powerpc/powerpc64/multiarch/memset-power6.S    | 40 ++++++++++++++++
 .../powerpc/powerpc64/multiarch/memset-power7.S    | 40 ++++++++++++++++
 sysdeps/powerpc/powerpc64/multiarch/memset-ppc64.S | 55 ++++++++++++++++++++++
 sysdeps/powerpc/powerpc64/multiarch/memset.c       | 50 ++++++++++++++++++++
 sysdeps/powerpc/powerpc64/multiarch/rtld-memset.c  | 18 +++++++
 sysdeps/powerpc/powerpc64/power4/memset.S          |  2 +
 sysdeps/powerpc/powerpc64/power6/memset.S          |  2 +
 sysdeps/powerpc/powerpc64/power7/memset.S          |  2 +
 16 files changed, 391 insertions(+), 1 deletion(-)
 create mode 100644 sysdeps/powerpc/powerpc64/multiarch/bzero-power4.S
 create mode 100644 sysdeps/powerpc/powerpc64/multiarch/bzero-power6.S
 create mode 100644 sysdeps/powerpc/powerpc64/multiarch/bzero-power7.S
 create mode 100644 sysdeps/powerpc/powerpc64/multiarch/bzero.c
 create mode 100644 sysdeps/powerpc/powerpc64/multiarch/memset-power4.S
 create mode 100644 sysdeps/powerpc/powerpc64/multiarch/memset-power6.S
 create mode 100644 sysdeps/powerpc/powerpc64/multiarch/memset-power7.S
 create mode 100644 sysdeps/powerpc/powerpc64/multiarch/memset-ppc64.S
 create mode 100644 sysdeps/powerpc/powerpc64/multiarch/memset.c
 create mode 100644 sysdeps/powerpc/powerpc64/multiarch/rtld-memset.c

diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/memset.S glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/memset.S
index d02af98..fd5d4e5 100644
--- glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/memset.S
+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/memset.S
@@ -265,6 +265,7 @@ L(medium_28t):
 END_GEN_TB (BP_SYM (memset),TB_TOCLESS)
 libc_hidden_builtin_def (memset)
 
+#ifndef NO_BZERO_IMPL
 /* Copied from bzero.S to prevent the linker from inserting a stub
    between bzero and memset.  */
 ENTRY (BP_SYM (__bzero))
@@ -284,3 +285,4 @@ ENTRY (BP_SYM (__bzero))
 END_GEN_TB (BP_SYM (__bzero),TB_TOCLESS)
 
 weak_alias (BP_SYM (__bzero), BP_SYM (bzero))
+#endif
diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/Makefile glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/Makefile
index c0bc520..424d2cd 100644
--- glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/Makefile
+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/Makefile
@@ -1,5 +1,6 @@
 ifeq ($(subdir),string)
 sysdep_routines += memcpy-power7 memcpy-a2 memcpy-power6 memcpy-cell \
                   memcpy-power4 memcpy-ppc64 memcmp-power7 memcmp-power4 \
-                  memcmp-ppc64
+                  memcmp-ppc64 memset-power7 memset-power6 memset-power4 \
+                  memset-ppc64 bzero-power4 bzero-power6 bzero-power7
 endif
diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/bzero-power4.S glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/bzero-power4.S
new file mode 100644
index 0000000..72b75ac
--- /dev/null
+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/bzero-power4.S
@@ -0,0 +1,26 @@
+/* Optimized bzero implementation for PowerPC64/POWER4.
+   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>
+
+ENTRY (__bzero_power4)
+	CALL_MCOUNT 3
+	mr	r5,r4
+	li	r4,0
+	b	__memset_power4
+END_GEN_TB (__bzero_power4,TB_TOCLESS)
diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/bzero-power6.S glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/bzero-power6.S
new file mode 100644
index 0000000..d0917c5
--- /dev/null
+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/bzero-power6.S
@@ -0,0 +1,26 @@
+/* Optimized bzero implementation for PowerPC64/POWER6.
+   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>
+
+ENTRY (__bzero_power6)
+	CALL_MCOUNT 3
+	mr	r5,r4
+	li	r4,0
+	b	__memset_power6
+END_GEN_TB (__bzero_power6,TB_TOCLESS)
diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/bzero-power7.S glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/bzero-power7.S
new file mode 100644
index 0000000..0ec285a
--- /dev/null
+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/bzero-power7.S
@@ -0,0 +1,26 @@
+/* Optimized bzero implementation for PowerPC64/POWER7.
+   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>
+
+ENTRY (__bzero_power7)
+	CALL_MCOUNT 3
+	mr	r5,r4
+	li	r4,0
+	b	__memset_power7
+END_GEN_TB (__bzero_power7,TB_TOCLESS)
diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/bzero.c glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/bzero.c
new file mode 100644
index 0000000..ed83541
--- /dev/null
+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/bzero.c
@@ -0,0 +1,40 @@
+/* Multiple versions of bzero. PowerPC64 version.
+   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/>.  */
+
+/* Define multiple versions only for definition in libc.  */
+#ifndef NOT_IN_libc
+# include <string.h>
+# include <strings.h>
+# include "init-arch.h"
+
+extern __typeof (bzero) __bzero_ppc attribute_hidden;
+extern __typeof (bzero) __bzero_power4 attribute_hidden;
+extern __typeof (bzero) __bzero_power6 attribute_hidden;
+extern __typeof (bzero) __bzero_power7 attribute_hidden;
+
+libc_ifunc (__bzero,
+            (hwcap & PPC_FEATURE_HAS_VSX)
+            ? __bzero_power7 :
+	      (hwcap & PPC_FEATURE_ARCH_2_05)
+		? __bzero_power6 :
+		  (hwcap & PPC_FEATURE_POWER4)
+		? __bzero_power4
+            : __bzero_ppc);
+
+weak_alias (__bzero, bzero)
+#endif
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
index 295ebca..11e7063 100644
--- glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c
+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c
@@ -60,6 +60,16 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
              IFUNC_IMPL_ADD (array, i, memcpy, hwcap & PPC_FEATURE_POWER4,
                              __memcpy_power4)
              IFUNC_IMPL_ADD (array, i, memcpy, 1, __memcpy_ppc))
+
+  /* Support sysdeps/powerpc/powerpc64/multiarch/memset.c.  */
+  IFUNC_IMPL (i, name, memset,
+             IFUNC_IMPL_ADD (array, i, memset, hwcap & PPC_FEATURE_HAS_VSX,
+                             __memset_power7)
+             IFUNC_IMPL_ADD (array, i, memset, hwcap & PPC_FEATURE_ARCH_2_05,
+                             __memset_power6)
+             IFUNC_IMPL_ADD (array, i, memset, hwcap & PPC_FEATURE_POWER4,
+                             __memset_power4)
+             IFUNC_IMPL_ADD (array, i, memset, 1, __memset_ppc))
 #endif
 
   /* Support sysdeps/powerpc/powerpc64/multiarch/memcmp.c.  */
@@ -70,5 +80,15 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
                              __memcmp_power4)
              IFUNC_IMPL_ADD (array, i, memcmp, 1, __memcmp_ppc))
 
+  /* Support sysdeps/powerpc/powerpc64/multiarch/bzero.c.  */
+  IFUNC_IMPL (i, name, bzero,
+             IFUNC_IMPL_ADD (array, i, bzero, hwcap & PPC_FEATURE_HAS_VSX,
+                             __bzero_power7)
+             IFUNC_IMPL_ADD (array, i, bzero, hwcap & PPC_FEATURE_ARCH_2_05,
+                             __bzero_power6)
+             IFUNC_IMPL_ADD (array, i, bzero, hwcap & PPC_FEATURE_POWER4,
+                             __bzero_power4)
+             IFUNC_IMPL_ADD (array, i, bzero, 1, __bzero_ppc))
+
   return i;
 }
diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memset-power4.S glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memset-power4.S
new file mode 100644
index 0000000..9074b95
--- /dev/null
+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memset-power4.S
@@ -0,0 +1,40 @@
+/* Optimized memset implementation for PowerPC64/POWER4.
+   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>
+
+#undef EALIGN
+#define EALIGN(name, alignt, words)				\
+  .section ".text";						\
+  ENTRY_2(__memset_power4)					\
+  .align ALIGNARG(alignt);					\
+  EALIGN_W_##words;						\
+  BODY_LABEL(__memset_power4):					\
+  cfi_startproc;
+
+#undef END_GEN_TB
+#define END_GEN_TB(name, mask)					\
+  cfi_endproc;							\
+  TRACEBACK_MASK(__memset_power4,mask)				\
+  END_2(__memset_power4)
+
+#undef libc_hidden_builtin_def
+#define libc_hidden_builtin_def(name)
+
+#define NO_BZERO_IMPL
+#include <sysdeps/powerpc/powerpc64/power4/memset.S>
diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memset-power6.S glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memset-power6.S
new file mode 100644
index 0000000..70688b5
--- /dev/null
+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memset-power6.S
@@ -0,0 +1,40 @@
+/* Optimized memset implementation for PowerPC64/POWER6.
+   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>
+
+#undef EALIGN
+#define EALIGN(name, alignt, words)				\
+  .section ".text";						\
+  ENTRY_2(__memset_power6)					\
+  .align ALIGNARG(alignt);					\
+  EALIGN_W_##words;						\
+  BODY_LABEL(__memset_power6):					\
+  cfi_startproc;
+
+#undef END_GEN_TB
+#define END_GEN_TB(name, mask)					\
+  cfi_endproc;							\
+  TRACEBACK_MASK(__memset_power6,mask)				\
+  END_2(__memset_power6)
+
+#undef libc_hidden_builtin_def
+#define libc_hidden_builtin_def(name)
+
+#define NO_BZERO_IMPL
+#include <sysdeps/powerpc/powerpc64/power6/memset.S>
diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memset-power7.S glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memset-power7.S
new file mode 100644
index 0000000..ab226c5
--- /dev/null
+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memset-power7.S
@@ -0,0 +1,40 @@
+/* Optimized memset implementation for PowerPC64/POWER7.
+   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>
+
+#undef EALIGN
+#define EALIGN(name, alignt, words)				\
+  .section ".text";						\
+  ENTRY_2(__memset_power7)					\
+  .align ALIGNARG(alignt);					\
+  EALIGN_W_##words;						\
+  BODY_LABEL(__memset_power7):					\
+  cfi_startproc;
+
+#undef END_GEN_TB
+#define END_GEN_TB(name, mask)					\
+  cfi_endproc;							\
+  TRACEBACK_MASK(__memset_power7,mask)				\
+  END_2(__memset_power7)
+
+#undef libc_hidden_builtin_def
+#define libc_hidden_builtin_def(name)
+
+#define NO_BZERO_IMPL
+#include <sysdeps/powerpc/powerpc64/power7/memset.S>
diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memset-ppc64.S glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memset-ppc64.S
new file mode 100644
index 0000000..dc5549c
--- /dev/null
+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memset-ppc64.S
@@ -0,0 +1,55 @@
+/* Default memset/bzero 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>
+
+/* Copied from bzero.S to prevent the linker from inserting a stub
+   between bzero and memset.  NOTE: this code should be positioned
+   before ENTRY/END_GEN_TB redefinition.  */
+ENTRY (__bzero_ppc)
+        CALL_MCOUNT 3
+        mr      r5,r4
+        li      r4,0
+        b       L(_memset)
+END_GEN_TB (__bzero_ppc,TB_TOCLESS)
+
+
+#if defined SHARED && !defined NOT_IN_libc
+# undef EALIGN
+# define EALIGN(name, alignt, words)				\
+  .section ".text";						\
+  ENTRY_2(__memset_ppc)						\
+  .align ALIGNARG(alignt);					\
+  EALIGN_W_##words;						\
+  BODY_LABEL(__memset_ppc):					\
+  cfi_startproc;
+
+# undef END_GEN_TB
+# define END_GEN_TB(name, mask)					\
+  cfi_endproc;							\
+  TRACEBACK_MASK(__memset_ppc,mask)				\
+  END_2(__memset_ppc)
+
+# undef libc_hidden_builtin_def
+# define libc_hidden_builtin_def(name)
+#endif
+
+/* Do not implement __bzero at powerpc64/memset.S.  */
+#define NO_BZERO_IMPL
+
+#include <sysdeps/powerpc/powerpc64/memset.S>
diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memset.c glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memset.c
new file mode 100644
index 0000000..aa2ae70
--- /dev/null
+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memset.c
@@ -0,0 +1,50 @@
+/* Multiple versions of memset.
+   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/>.  */
+
+/* Define multiple versions only for definition in libc.  */
+#if defined SHARED && !defined NOT_IN_libc
+/* Redefine memset so that the compiler won't complain about the type
+   mismatch with the IFUNC selector in strong_alias, below.  */
+# undef memset
+# define memset __redirect_memset
+# include <string.h>
+# include <shlib-compat.h>
+# include "init-arch.h"
+
+extern __typeof (__redirect_memset) __libc_memset;
+
+extern __typeof (__redirect_memset) __memset_ppc attribute_hidden;
+extern __typeof (__redirect_memset) __memset_power4 attribute_hidden;
+extern __typeof (__redirect_memset) __memset_power6 attribute_hidden;
+extern __typeof (__redirect_memset) __memset_power7 attribute_hidden;
+
+/* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle
+   ifunc symbol properly.  */
+libc_ifunc (__libc_memset,
+            (hwcap & PPC_FEATURE_HAS_VSX)
+            ? __memset_power7 :
+	      (hwcap & PPC_FEATURE_ARCH_2_05)
+		? __memset_power6 :
+		  (hwcap & PPC_FEATURE_POWER4)
+		? __memset_power4
+            : __memset_ppc);
+
+#undef memset
+strong_alias (__libc_memset, memset);
+libc_hidden_ver (__libc_memset, memset);
+#endif
diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/rtld-memset.c glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/rtld-memset.c
new file mode 100644
index 0000000..8eac85b
--- /dev/null
+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/rtld-memset.c
@@ -0,0 +1,18 @@
+/* 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 <sysdeps/powerpc/powerpc64/rtld-memset.c>
diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/power4/memset.S glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/power4/memset.S
index c86a68a..c077ae7 100644
--- glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/power4/memset.S
+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/power4/memset.S
@@ -253,6 +253,7 @@ L(medium_28t):
 END_GEN_TB (BP_SYM (memset),TB_TOCLESS)
 libc_hidden_builtin_def (memset)
 
+#ifndef NO_BZERO_IMPL
 /* Copied from bzero.S to prevent the linker from inserting a stub
    between bzero and memset.  */
 ENTRY (BP_SYM (__bzero))
@@ -272,3 +273,4 @@ ENTRY (BP_SYM (__bzero))
 END_GEN_TB (BP_SYM (__bzero),TB_TOCLESS)
 
 weak_alias (BP_SYM (__bzero), BP_SYM (bzero))
+#endif
diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/power6/memset.S glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/power6/memset.S
index 930ecce..967642a3 100644
--- glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/power6/memset.S
+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/power6/memset.S
@@ -397,6 +397,7 @@ L(medium_28t):
 END_GEN_TB (BP_SYM (memset),TB_TOCLESS)
 libc_hidden_builtin_def (memset)
 
+#ifndef NO_BZERO_IMPL
 /* Copied from bzero.S to prevent the linker from inserting a stub
    between bzero and memset.  */
 ENTRY (BP_SYM (__bzero))
@@ -416,3 +417,4 @@ ENTRY (BP_SYM (__bzero))
 END_GEN_TB (BP_SYM (__bzero),TB_TOCLESS)
 
 weak_alias (BP_SYM (__bzero), BP_SYM (bzero))
+#endif
diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/power7/memset.S glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/power7/memset.S
index 5970fbe..2716656 100644
--- glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/power7/memset.S
+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/power7/memset.S
@@ -385,6 +385,7 @@ L(small):
 END_GEN_TB (BP_SYM (memset),TB_TOCLESS)
 libc_hidden_builtin_def (memset)
 
+#ifndef NO_BZERO_IMPL
 /* Copied from bzero.S to prevent the linker from inserting a stub
    between bzero and memset.  */
 ENTRY (BP_SYM (__bzero))
@@ -395,3 +396,4 @@ ENTRY (BP_SYM (__bzero))
 END_GEN_TB (BP_SYM (__bzero),TB_TOCLESS)
 
 weak_alias (BP_SYM (__bzero), BP_SYM (bzero))
+#endif
-- 
1.8.3.1