From b090e8ea45a4495505b1bbc2bdb75e069221f4bb Mon Sep 17 00:00:00 2001
From: "H.J. Lu" <hjl.tools@gmail.com>
Date: Wed, 10 Oct 2012 07:48:45 -0700
Subject: [PATCH] Add i686 __libc_ifunc_impl_list

---
 ChangeLog                                     |  56 +++++
 sysdeps/i386/i686/multiarch/bcopy.S           |   3 +
 sysdeps/i386/i686/multiarch/bzero.S           |   3 +
 sysdeps/i386/i686/multiarch/ifunc-impl-list.c | 326 ++++++++++++++++++++++++++
 sysdeps/i386/i686/multiarch/memchr.S          |   1 +
 sysdeps/i386/i686/multiarch/memcmp.S          |   3 +
 sysdeps/i386/i686/multiarch/memcpy.S          |   3 +
 sysdeps/i386/i686/multiarch/memcpy_chk.S      |   1 +
 sysdeps/i386/i686/multiarch/memmove.S         |   3 +
 sysdeps/i386/i686/multiarch/memmove_chk.S     |   1 +
 sysdeps/i386/i686/multiarch/mempcpy.S         |   3 +
 sysdeps/i386/i686/multiarch/mempcpy_chk.S     |   1 +
 sysdeps/i386/i686/multiarch/memrchr.S         |   1 +
 sysdeps/i386/i686/multiarch/memset.S          |   1 +
 sysdeps/i386/i686/multiarch/memset_chk.S      |   1 +
 sysdeps/i386/i686/multiarch/rawmemchr.S       |   1 +
 sysdeps/i386/i686/multiarch/stpcpy.S          |   2 +
 sysdeps/i386/i686/multiarch/stpncpy.S         |   2 +
 sysdeps/i386/i686/multiarch/strcasecmp.S      |   1 +
 sysdeps/i386/i686/multiarch/strcasecmp_l.S    |   2 +
 sysdeps/i386/i686/multiarch/strcasestr-c.c    |   2 +
 sysdeps/i386/i686/multiarch/strcat.S          |   3 +
 sysdeps/i386/i686/multiarch/strchr.S          |   1 +
 sysdeps/i386/i686/multiarch/strcmp.S          |   3 +
 sysdeps/i386/i686/multiarch/strcpy.S          |   3 +
 sysdeps/i386/i686/multiarch/strcspn.S         |   1 +
 sysdeps/i386/i686/multiarch/strlen.S          |   1 +
 sysdeps/i386/i686/multiarch/strncase.S        |   1 +
 sysdeps/i386/i686/multiarch/strncase_l.S      |   2 +
 sysdeps/i386/i686/multiarch/strncat.S         |   2 +
 sysdeps/i386/i686/multiarch/strncmp.S         |   2 +
 sysdeps/i386/i686/multiarch/strncpy.S         |   2 +
 sysdeps/i386/i686/multiarch/strnlen.S         |   1 +
 sysdeps/i386/i686/multiarch/strpbrk.S         |   2 +
 sysdeps/i386/i686/multiarch/strrchr.S         |   1 +
 sysdeps/i386/i686/multiarch/strspn.S          |   1 +
 sysdeps/i386/i686/multiarch/strstr-c.c        |   3 +
 sysdeps/i386/i686/multiarch/wcschr.S          |   1 +
 sysdeps/i386/i686/multiarch/wcscmp.S          |   1 +
 sysdeps/i386/i686/multiarch/wcscpy.S          |   1 +
 sysdeps/i386/i686/multiarch/wcslen.S          |   1 +
 sysdeps/i386/i686/multiarch/wcsrchr.S         |   1 +
 sysdeps/i386/i686/multiarch/wmemcmp.S         |   1 +
 43 files changed, 452 insertions(+)
 create mode 100644 sysdeps/i386/i686/multiarch/ifunc-impl-list.c

diff --git a/ChangeLog b/ChangeLog
index 5fd39f3232..3f873f17aa 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,61 @@
 2012-10-11  H.J. Lu  <hongjiu.lu@intel.com>
 
+	* sysdeps/i386/i686/multiarch/bcopy.S (__bcopy_ia32): Make it
+	global and hidden.
+	* sysdeps/i386/i686/multiarch/bzero.S (__bzero_ia32): Likewise.
+	* sysdeps/i386/i686/multiarch/memcmp.S (__memcmp_ia32): Likewise.
+	* sysdeps/i386/i686/multiarch/memcpy.S (__memcpy_ia32): Likewise.
+	* sysdeps/i386/i686/multiarch/memmove.S (__memmove_ia32):
+	Likewise.
+	* sysdeps/i386/i686/multiarch/mempcpy.S (__mempcpy_ia32):
+	Likewise.
+	* sysdeps/i386/i686/multiarch/strcat.S (STRCAT_IA32): Likewise.
+	* sysdeps/i386/i686/multiarch/strcmp.S (__STRCMP_IA32): Likewise.
+	* sysdeps/i386/i686/multiarch/strcpy.S (STRCPY_IA32): Likewise.
+	* sysdeps/i386/i686/multiarch/bcopy.S: Add comments for
+	ifunc-impl-list.c.
+	* sysdeps/i386/i686/multiarch/bzero.S: Likewise.
+	* sysdeps/i386/i686/multiarch/memchr.S: Likewise.
+	* sysdeps/i386/i686/multiarch/memcmp.S: Likewise.
+	* sysdeps/i386/i686/multiarch/memcpy.S: Likewise.
+	* sysdeps/i386/i686/multiarch/memcpy_chk.S: Likewise.
+	* sysdeps/i386/i686/multiarch/memmove.S: Likewise.
+	* sysdeps/i386/i686/multiarch/memmove_chk.S: Likewise.
+	* sysdeps/i386/i686/multiarch/mempcpy.S: Likewise.
+	* sysdeps/i386/i686/multiarch/mempcpy_chk.S: Likewise.
+	* sysdeps/i386/i686/multiarch/memrchr.S: Likewise.
+	* sysdeps/i386/i686/multiarch/memset.S: Likewise.
+	* sysdeps/i386/i686/multiarch/memset_chk.S: Likewise.
+	* sysdeps/i386/i686/multiarch/rawmemchr.S: Likewise.
+	* sysdeps/i386/i686/multiarch/stpcpy.S: Likewise.
+	* sysdeps/i386/i686/multiarch/stpncpy.S: Likewise.
+	* sysdeps/i386/i686/multiarch/strcasecmp.S: Likewise.
+	* sysdeps/i386/i686/multiarch/strcasecmp_l.S: Likewise.
+	* sysdeps/i386/i686/multiarch/strcasestr-c.c: Likewise.
+	* sysdeps/i386/i686/multiarch/strcat.S: Likewise.
+	* sysdeps/i386/i686/multiarch/strchr.S: Likewise.
+	* sysdeps/i386/i686/multiarch/strcmp.S: Likewise.
+	* sysdeps/i386/i686/multiarch/strcpy.S: Likewise.
+	* sysdeps/i386/i686/multiarch/strcspn.S: Likewise.
+	* sysdeps/i386/i686/multiarch/strlen.S: Likewise.
+	* sysdeps/i386/i686/multiarch/strncase.S: Likewise.
+	* sysdeps/i386/i686/multiarch/strncase_l.S: Likewise.
+	* sysdeps/i386/i686/multiarch/strncat.S: Likewise.
+	* sysdeps/i386/i686/multiarch/strncmp.S: Likewise.
+	* sysdeps/i386/i686/multiarch/strncpy.S: Likewise.
+	* sysdeps/i386/i686/multiarch/strnlen.S: Likewise.
+	* sysdeps/i386/i686/multiarch/strpbrk.S: Likewise.
+	* sysdeps/i386/i686/multiarch/strrchr.S: Likewise.
+	* sysdeps/i386/i686/multiarch/strspn.S: Likewise.
+	* sysdeps/i386/i686/multiarch/strstr-c.c: Likewise.
+	* sysdeps/i386/i686/multiarch/wcschr.S: Likewise.
+	* sysdeps/i386/i686/multiarch/wcscmp.S: Likewise.
+	* sysdeps/i386/i686/multiarch/wcscpy.S: Likewise.
+	* sysdeps/i386/i686/multiarch/wcslen.S: Likewise.
+	* sysdeps/i386/i686/multiarch/wcsrchr.S: Likewise.
+	* sysdeps/i386/i686/multiarch/wmemcmp.S: Likewise.
+	* sysdeps/i386/i686/multiarch/ifunc-impl-list.c: New file.
+
 	* Rules [$(multi-arch) = no] (tests): Filter out $(tests-ifunc).
 	[$(multi-arch) = no] (xtests): Filter out $(xtests-ifunc).
 	* include/ifunc-impl-list.h: New file.
diff --git a/sysdeps/i386/i686/multiarch/bcopy.S b/sysdeps/i386/i686/multiarch/bcopy.S
index 9db3424688..b0744daf73 100644
--- a/sysdeps/i386/i686/multiarch/bcopy.S
+++ b/sysdeps/i386/i686/multiarch/bcopy.S
@@ -1,4 +1,5 @@
 /* Multiple versions of bcopy
+   All versions must be listed in ifunc-impl-list.c.
    Copyright (C) 2010, 2012 Free Software Foundation, Inc.
    Contributed by Intel Corporation.
    This file is part of the GNU C Library.
@@ -67,6 +68,8 @@ END(bcopy)
 # define ENTRY(name) \
 	.type __bcopy_ia32, @function; \
 	.p2align 4; \
+	.globl __bcopy_ia32; \
+	.hidden __bcopy_ia32; \
 	__bcopy_ia32: cfi_startproc; \
 	CALL_MCOUNT
 # undef END
diff --git a/sysdeps/i386/i686/multiarch/bzero.S b/sysdeps/i386/i686/multiarch/bzero.S
index 86db169a81..150c24c04f 100644
--- a/sysdeps/i386/i686/multiarch/bzero.S
+++ b/sysdeps/i386/i686/multiarch/bzero.S
@@ -1,4 +1,5 @@
 /* Multiple versions of bzero
+   All versions must be listed in ifunc-impl-list.c.
    Copyright (C) 2010, 2012 Free Software Foundation, Inc.
    Contributed by Intel Corporation.
    This file is part of the GNU C Library.
@@ -67,6 +68,8 @@ END(__bzero)
 # define ENTRY(name) \
 	.type __bzero_ia32, @function; \
 	.p2align 4; \
+	.globl __bzero_ia32; \
+	.hidden __bzero_ia32; \
 	__bzero_ia32: cfi_startproc; \
 	CALL_MCOUNT
 # undef END
diff --git a/sysdeps/i386/i686/multiarch/ifunc-impl-list.c b/sysdeps/i386/i686/multiarch/ifunc-impl-list.c
new file mode 100644
index 0000000000..005c286df5
--- /dev/null
+++ b/sysdeps/i386/i686/multiarch/ifunc-impl-list.c
@@ -0,0 +1,326 @@
+/* Enumerate available IFUNC implementations of a function.  i686 version.
+   Copyright (C) 2012 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 <assert.h>
+#include <string.h>
+#include <wchar.h>
+#include <ifunc-impl-list.h>
+#include "init-arch.h"
+
+/* Maximum number of IFUNC implementations.  */
+#define MAX_IFUNC	3
+
+/* Fill ARRAY of MAX elements with IFUNC implementations for function
+   NAME and return the number of valid entries.  */
+
+size_t
+__libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
+			size_t max)
+{
+  assert (max >= MAX_IFUNC);
+
+  size_t i = 0;
+
+  /* Support sysdeps/i386/i686/multiarch/bcopy.S.  */
+  IFUNC_IMPL (i, name, bcopy,
+	      IFUNC_IMPL_ADD (array, i, bcopy, HAS_SSSE3,
+			      __bcopy_ssse3_rep)
+	      IFUNC_IMPL_ADD (array, i, bcopy, HAS_SSSE3, __bcopy_ssse3)
+	      IFUNC_IMPL_ADD (array, i, bcopy, 1, __bcopy_ia32))
+
+  /* Support sysdeps/i386/i686/multiarch/bzero.S.  */
+  IFUNC_IMPL (i, name, bzero,
+	      IFUNC_IMPL_ADD (array, i, bzero, HAS_SSE2, __bzero_sse2_rep)
+	      IFUNC_IMPL_ADD (array, i, bzero, HAS_SSE2, __bzero_sse2)
+	      IFUNC_IMPL_ADD (array, i, bzero, 1, __bzero_ia32))
+
+  /* Support sysdeps/i386/i686/multiarch/memchr.S.  */
+  IFUNC_IMPL (i, name, memchr,
+	      IFUNC_IMPL_ADD (array, i, memchr, HAS_SSE2,
+			      __memchr_sse2_bsf)
+	      IFUNC_IMPL_ADD (array, i, memchr, HAS_SSE2, __memchr_sse2)
+	      IFUNC_IMPL_ADD (array, i, memchr, 1, __memchr_ia32))
+
+  /* Support sysdeps/i386/i686/multiarch/memcmp.S.  */
+  IFUNC_IMPL (i, name, memcmp,
+	      IFUNC_IMPL_ADD (array, i, memcmp, HAS_SSE4_2,
+			      __memcmp_sse4_2)
+	      IFUNC_IMPL_ADD (array, i, memcmp, HAS_SSSE3, __memcmp_ssse3)
+	      IFUNC_IMPL_ADD (array, i, memcmp, 1, __memcmp_ia32))
+
+  /* Support sysdeps/i386/i686/multiarch/memmove_chk.S.  */
+  IFUNC_IMPL (i, name, __memmove_chk,
+	      IFUNC_IMPL_ADD (array, i, __memmove_chk, HAS_SSSE3,
+			      __memmove_chk_ssse3_rep)
+	      IFUNC_IMPL_ADD (array, i, __memmove_chk, HAS_SSSE3,
+			      __memmove_chk_ssse3)
+	      IFUNC_IMPL_ADD (array, i, __memmove_chk, 1,
+			      __memmove_chk_ia32))
+
+  /* Support sysdeps/i386/i686/multiarch/memmove.S.  */
+  IFUNC_IMPL (i, name, memmove,
+	      IFUNC_IMPL_ADD (array, i, memmove, HAS_SSSE3,
+			      __memmove_ssse3_rep)
+	      IFUNC_IMPL_ADD (array, i, memmove, HAS_SSSE3,
+			      __memmove_ssse3)
+	      IFUNC_IMPL_ADD (array, i, memmove, 1, __memmove_ia32))
+
+  /* Support sysdeps/i386/i686/multiarch/memrchr.S.  */
+  IFUNC_IMPL (i, name, memrchr,
+	      IFUNC_IMPL_ADD (array, i, memrchr, HAS_SSE2,
+			      __memrchr_sse2_bsf)
+	      IFUNC_IMPL_ADD (array, i, memrchr, HAS_SSE2, __memrchr_sse2)
+	      IFUNC_IMPL_ADD (array, i, memrchr, 1, __memrchr_ia32))
+
+  /* Support sysdeps/i386/i686/multiarch/memset_chk.S.  */
+  IFUNC_IMPL (i, name, __memset_chk,
+	      IFUNC_IMPL_ADD (array, i, __memset_chk, HAS_SSE2,
+			      __memset_chk_sse2_rep)
+	      IFUNC_IMPL_ADD (array, i, __memset_chk, HAS_SSE2,
+			      __memset_chk_sse2)
+	      IFUNC_IMPL_ADD (array, i, __memset_chk, 1,
+			      __memset_chk_ia32))
+
+  /* Support sysdeps/i386/i686/multiarch/memset.S.  */
+  IFUNC_IMPL (i, name, memset,
+	      IFUNC_IMPL_ADD (array, i, memset, HAS_SSE2,
+			      __memset_sse2_rep)
+	      IFUNC_IMPL_ADD (array, i, memset, HAS_SSE2, __memset_sse2)
+	      IFUNC_IMPL_ADD (array, i, memset, 1, __memset_ia32))
+
+  /* Support sysdeps/i386/i686/multiarch/rawmemchr.S.  */
+  IFUNC_IMPL (i, name, rawmemchr,
+	      IFUNC_IMPL_ADD (array, i, rawmemchr, HAS_SSE2,
+			      __rawmemchr_sse2_bsf)
+	      IFUNC_IMPL_ADD (array, i, rawmemchr, HAS_SSE2,
+			      __rawmemchr_sse2)
+	      IFUNC_IMPL_ADD (array, i, rawmemchr, 1, __rawmemchr_ia32))
+
+  /* Support sysdeps/i386/i686/multiarch/stpncpy.S.  */
+  IFUNC_IMPL (i, name, stpncpy,
+	      IFUNC_IMPL_ADD (array, i, stpncpy, HAS_SSSE3,
+			      __stpncpy_ssse3)
+	      IFUNC_IMPL_ADD (array, i, stpncpy, HAS_SSE2, __stpncpy_sse2)
+	      IFUNC_IMPL_ADD (array, i, stpncpy, 1, __stpncpy_ia32))
+
+  /* Support sysdeps/i386/i686/multiarch/stpcpy.S.  */
+  IFUNC_IMPL (i, name, stpcpy,
+	      IFUNC_IMPL_ADD (array, i, stpcpy, HAS_SSSE3, __stpcpy_ssse3)
+	      IFUNC_IMPL_ADD (array, i, stpcpy, HAS_SSE2, __stpcpy_sse2)
+	      IFUNC_IMPL_ADD (array, i, stpcpy, 1, __stpcpy_ia32))
+
+  /* Support sysdeps/i386/i686/multiarch/strcasecmp.S.  */
+  IFUNC_IMPL (i, name, strcasecmp,
+	      IFUNC_IMPL_ADD (array, i, strcasecmp, HAS_SSE4_2,
+			      __strcasecmp_sse4_2)
+	      IFUNC_IMPL_ADD (array, i, strcasecmp, HAS_SSSE3,
+			      __strcasecmp_ssse3)
+	      IFUNC_IMPL_ADD (array, i, strcasecmp, 1, __strcasecmp_ia32))
+
+  /* Support sysdeps/i386/i686/multiarch/strcasecmp_l.S.  */
+  IFUNC_IMPL (i, name, strcasecmp_l,
+	      IFUNC_IMPL_ADD (array, i, strcasecmp_l, HAS_SSE4_2,
+			      __strcasecmp_l_sse4_2)
+	      IFUNC_IMPL_ADD (array, i, strcasecmp_l, HAS_SSSE3,
+			      __strcasecmp_l_ssse3)
+	      IFUNC_IMPL_ADD (array, i, strcasecmp_l, 1,
+			      __strcasecmp_l_ia32))
+
+  /* Support sysdeps/i386/i686/multiarch/strcasestr.c.  */
+  IFUNC_IMPL (i, name, strcasestr,
+	      IFUNC_IMPL_ADD (array, i, strcasestr, HAS_SSE4_2,
+			      __strcasestr_sse42)
+	      IFUNC_IMPL_ADD (array, i, strcasestr, 1, __strcasestr_ia32))
+
+  /* Support sysdeps/i386/i686/multiarch/strcat.S.  */
+  IFUNC_IMPL (i, name, strcat,
+	      IFUNC_IMPL_ADD (array, i, strcat, HAS_SSSE3, __strcat_ssse3)
+	      IFUNC_IMPL_ADD (array, i, strcat, HAS_SSE2, __strcat_sse2)
+	      IFUNC_IMPL_ADD (array, i, strcat, 1, __strcat_ia32))
+
+  /* Support sysdeps/i386/i686/multiarch/strchr.S.  */
+  IFUNC_IMPL (i, name, strchr,
+	      IFUNC_IMPL_ADD (array, i, strchr, HAS_SSE2,
+			      __strchr_sse2_bsf)
+	      IFUNC_IMPL_ADD (array, i, strchr, HAS_SSE2, __strchr_sse2)
+	      IFUNC_IMPL_ADD (array, i, strchr, 1, __strchr_ia32))
+
+  /* Support sysdeps/i386/i686/multiarch/strcmp.S.  */
+  IFUNC_IMPL (i, name, strcmp,
+	      IFUNC_IMPL_ADD (array, i, strcmp, HAS_SSE4_2,
+			      __strcmp_sse4_2)
+	      IFUNC_IMPL_ADD (array, i, strcmp, HAS_SSSE3, __strcmp_ssse3)
+	      IFUNC_IMPL_ADD (array, i, strcmp, 1, __strcmp_ia32))
+
+  /* Support sysdeps/i386/i686/multiarch/strcpy.S.  */
+  IFUNC_IMPL (i, name, strcpy,
+	      IFUNC_IMPL_ADD (array, i, strcpy, HAS_SSSE3, __strcpy_ssse3)
+	      IFUNC_IMPL_ADD (array, i, strcpy, HAS_SSE2, __strcpy_sse2)
+	      IFUNC_IMPL_ADD (array, i, strcpy, 1, __strcpy_ia32))
+
+  /* Support sysdeps/i386/i686/multiarch/strcspn.S.  */
+  IFUNC_IMPL (i, name, strcspn,
+	      IFUNC_IMPL_ADD (array, i, strcspn, HAS_SSE4_2,
+			      __strcspn_sse42)
+	      IFUNC_IMPL_ADD (array, i, strcspn, 1, __strcspn_ia32))
+
+  /* Support sysdeps/i386/i686/multiarch/strncase.S.  */
+  IFUNC_IMPL (i, name, strncasecmp,
+	      IFUNC_IMPL_ADD (array, i, strncasecmp, HAS_SSE4_2,
+			      __strncasecmp_sse4_2)
+	      IFUNC_IMPL_ADD (array, i, strncasecmp, HAS_SSSE3,
+			      __strncasecmp_ssse3)
+	      IFUNC_IMPL_ADD (array, i, strncasecmp, 1,
+			      __strncasecmp_ia32))
+
+  /* Support sysdeps/i386/i686/multiarch/strncase_l.S.  */
+  IFUNC_IMPL (i, name, strncasecmp_l,
+	      IFUNC_IMPL_ADD (array, i, strncasecmp_l,
+			      HAS_SSE4_2, __strncasecmp_l_sse4_2)
+	      IFUNC_IMPL_ADD (array, i, strncasecmp_l,
+			      HAS_SSSE3, __strncasecmp_l_ssse3)
+	      IFUNC_IMPL_ADD (array, i, strncasecmp_l, 1,
+			      __strncasecmp_l_ia32))
+
+  /* Support sysdeps/i386/i686/multiarch/strncat.S.  */
+  IFUNC_IMPL (i, name, strncat,
+	      IFUNC_IMPL_ADD (array, i, strncat, HAS_SSSE3,
+			      __strncat_ssse3)
+	      IFUNC_IMPL_ADD (array, i, strncat, HAS_SSE2, __strncat_sse2)
+	      IFUNC_IMPL_ADD (array, i, strncat, 1, __strncat_ia32))
+
+  /* Support sysdeps/i386/i686/multiarch/strncpy.S.  */
+  IFUNC_IMPL (i, name, strncpy,
+	      IFUNC_IMPL_ADD (array, i, strncpy, HAS_SSSE3,
+			      __strncpy_ssse3)
+	      IFUNC_IMPL_ADD (array, i, strncpy, HAS_SSE2, __strncpy_sse2)
+	      IFUNC_IMPL_ADD (array, i, strncpy, 1, __strncpy_ia32))
+
+  /* Support sysdeps/i386/i686/multiarch/strnlen.S.  */
+  IFUNC_IMPL (i, name, strnlen,
+	      IFUNC_IMPL_ADD (array, i, strnlen, HAS_SSE2, __strnlen_sse2)
+	      IFUNC_IMPL_ADD (array, i, strnlen, 1, __strnlen_ia32))
+
+  /* Support sysdeps/i386/i686/multiarch/strpbrk.S.  */
+  IFUNC_IMPL (i, name, strpbrk,
+	      IFUNC_IMPL_ADD (array, i, strpbrk, HAS_SSE4_2,
+			      __strpbrk_sse42)
+	      IFUNC_IMPL_ADD (array, i, strpbrk, 1, __strpbrk_ia32))
+
+  /* Support sysdeps/i386/i686/multiarch/strrchr.S.  */
+  IFUNC_IMPL (i, name, strrchr,
+	      IFUNC_IMPL_ADD (array, i, strrchr, HAS_SSE2,
+			      __strrchr_sse2_bsf)
+	      IFUNC_IMPL_ADD (array, i, strrchr, HAS_SSE2, __strrchr_sse2)
+	      IFUNC_IMPL_ADD (array, i, strrchr, 1, __strrchr_ia32))
+
+  /* Support sysdeps/i386/i686/multiarch/strspn.S.  */
+  IFUNC_IMPL (i, name, strspn,
+	      IFUNC_IMPL_ADD (array, i, strspn, HAS_SSE4_2, __strspn_sse42)
+	      IFUNC_IMPL_ADD (array, i, strspn, 1, __strspn_ia32))
+
+  /* Support sysdeps/i386/i686/multiarch/strstr-c.c.  */
+  IFUNC_IMPL (i, name, strstr,
+	      IFUNC_IMPL_ADD (array, i, strstr, HAS_SSE4_2, __strstr_sse42)
+	      IFUNC_IMPL_ADD (array, i, strstr, 1, __strstr_ia32))
+
+  /* Support sysdeps/i386/i686/multiarch/wcschr.S.  */
+  IFUNC_IMPL (i, name, wcschr,
+	      IFUNC_IMPL_ADD (array, i, wcschr, HAS_SSE2, __wcschr_sse2)
+	      IFUNC_IMPL_ADD (array, i, wcschr, 1, __wcschr_ia32))
+
+  /* Support sysdeps/i386/i686/multiarch/wcscmp.S.  */
+  IFUNC_IMPL (i, name, wcscmp,
+	      IFUNC_IMPL_ADD (array, i, wcscmp, HAS_SSE2, __wcscmp_sse2)
+	      IFUNC_IMPL_ADD (array, i, wcscmp, 1, __wcscmp_ia32))
+
+  /* Support sysdeps/i386/i686/multiarch/wcscpy.S.  */
+  IFUNC_IMPL (i, name, wcscpy,
+	      IFUNC_IMPL_ADD (array, i, wcscpy, HAS_SSSE3, __wcscpy_ssse3)
+	      IFUNC_IMPL_ADD (array, i, wcscpy, 1, __wcscpy_ia32))
+
+  /* Support sysdeps/i386/i686/multiarch/wcslen.S.  */
+  IFUNC_IMPL (i, name, wcslen,
+	      IFUNC_IMPL_ADD (array, i, wcslen, HAS_SSE2, __wcslen_sse2)
+	      IFUNC_IMPL_ADD (array, i, wcslen, 1, __wcslen_ia32))
+
+  /* Support sysdeps/i386/i686/multiarch/wcsrchr.S.  */
+  IFUNC_IMPL (i, name, wcsrchr,
+	      IFUNC_IMPL_ADD (array, i, wcsrchr, HAS_SSE2, __wcsrchr_sse2)
+	      IFUNC_IMPL_ADD (array, i, wcsrchr, 1, __wcsrchr_ia32))
+
+  /* Support sysdeps/i386/i686/multiarch/wmemcmp.S.  */
+  IFUNC_IMPL (i, name, wmemcmp,
+	      IFUNC_IMPL_ADD (array, i, wmemcmp, HAS_SSE4_2,
+			      __wmemcmp_sse4_2)
+	      IFUNC_IMPL_ADD (array, i, wmemcmp, HAS_SSSE3,
+			      __wmemcmp_ssse3)
+	      IFUNC_IMPL_ADD (array, i, wmemcmp, 1, __wmemcmp_ia32))
+
+#ifdef SHARED
+  /* Support sysdeps/i386/i686/multiarch/memcpy_chk.S.  */
+  IFUNC_IMPL (i, name, __memcpy_chk,
+	      IFUNC_IMPL_ADD (array, i, __memcpy_chk, HAS_SSSE3,
+			      __memcpy_chk_ssse3_rep)
+	      IFUNC_IMPL_ADD (array, i, __memcpy_chk, HAS_SSSE3,
+			      __memcpy_chk_ssse3)
+	      IFUNC_IMPL_ADD (array, i, __memcpy_chk, 1,
+			      __memcpy_chk_ia32))
+
+  /* Support sysdeps/i386/i686/multiarch/memcpy.S.  */
+  IFUNC_IMPL (i, name, memcpy,
+	      IFUNC_IMPL_ADD (array, i, memcpy, HAS_SSSE3,
+			      __memcpy_ssse3_rep)
+	      IFUNC_IMPL_ADD (array, i, memcpy, HAS_SSSE3, __memcpy_ssse3)
+	      IFUNC_IMPL_ADD (array, i, memcpy, 1, __memcpy_ia32))
+
+  /* Support sysdeps/i386/i686/multiarch/mempcpy_chk.S.  */
+  IFUNC_IMPL (i, name, __mempcpy_chk,
+	      IFUNC_IMPL_ADD (array, i, __mempcpy_chk, HAS_SSSE3,
+			      __mempcpy_chk_ssse3_rep)
+	      IFUNC_IMPL_ADD (array, i, __mempcpy_chk, HAS_SSSE3,
+			      __mempcpy_chk_ssse3)
+	      IFUNC_IMPL_ADD (array, i, __mempcpy_chk, 1,
+			      __mempcpy_chk_ia32))
+
+  /* Support sysdeps/i386/i686/multiarch/mempcpy.S.  */
+  IFUNC_IMPL (i, name, mempcpy,
+	      IFUNC_IMPL_ADD (array, i, mempcpy, HAS_SSSE3,
+			      __mempcpy_ssse3_rep)
+	      IFUNC_IMPL_ADD (array, i, mempcpy, HAS_SSSE3,
+			      __mempcpy_ssse3)
+	      IFUNC_IMPL_ADD (array, i, mempcpy, 1, __mempcpy_ia32))
+
+  /* Support sysdeps/i386/i686/multiarch/strlen.S.  */
+  IFUNC_IMPL (i, name, strlen,
+	      IFUNC_IMPL_ADD (array, i, strlen, HAS_SSE2,
+			      __strlen_sse2_bsf)
+	      IFUNC_IMPL_ADD (array, i, strlen, HAS_SSE2, __strlen_sse2)
+	      IFUNC_IMPL_ADD (array, i, strlen, 1, __strlen_ia32))
+
+  /* Support sysdeps/i386/i686/multiarch/strncmp.S.  */
+  IFUNC_IMPL (i, name, strncmp,
+	      IFUNC_IMPL_ADD (array, i, strncmp, HAS_SSE4_2,
+			      __strncmp_sse4_2)
+	      IFUNC_IMPL_ADD (array, i, strncmp, HAS_SSSE3,
+			      __strncmp_ssse3)
+	      IFUNC_IMPL_ADD (array, i, strncmp, 1, __strncmp_ia32))
+#endif
+
+  return i;
+}
diff --git a/sysdeps/i386/i686/multiarch/memchr.S b/sysdeps/i386/i686/multiarch/memchr.S
index 2cf45426a6..8b0344b961 100644
--- a/sysdeps/i386/i686/multiarch/memchr.S
+++ b/sysdeps/i386/i686/multiarch/memchr.S
@@ -1,4 +1,5 @@
 /* Multiple versions of memchr
+   All versions must be listed in ifunc-impl-list.c.
    Copyright (C) 2011-2012 Free Software Foundation, Inc.
    Contributed by Intel Corporation.
    This file is part of the GNU C Library.
diff --git a/sysdeps/i386/i686/multiarch/memcmp.S b/sysdeps/i386/i686/multiarch/memcmp.S
index d8076b9276..7b9c1c4d1c 100644
--- a/sysdeps/i386/i686/multiarch/memcmp.S
+++ b/sysdeps/i386/i686/multiarch/memcmp.S
@@ -1,4 +1,5 @@
 /* Multiple versions of memcmp
+   All versions must be listed in ifunc-impl-list.c.
    Copyright (C) 2010, 2012 Free Software Foundation, Inc.
    Contributed by Intel Corporation.
    This file is part of the GNU C Library.
@@ -67,6 +68,8 @@ END(memcmp)
 # define ENTRY(name) \
 	.type __memcmp_ia32, @function; \
 	.p2align 4; \
+	.globl __memcmp_ia32; \
+	.hidden __memcmp_ia32; \
 	__memcmp_ia32: cfi_startproc; \
 	CALL_MCOUNT
 # undef END
diff --git a/sysdeps/i386/i686/multiarch/memcpy.S b/sysdeps/i386/i686/multiarch/memcpy.S
index 558c04ff3d..0d4a101b9a 100644
--- a/sysdeps/i386/i686/multiarch/memcpy.S
+++ b/sysdeps/i386/i686/multiarch/memcpy.S
@@ -1,4 +1,5 @@
 /* Multiple versions of memcpy
+   All versions must be listed in ifunc-impl-list.c.
    Copyright (C) 2010, 2012 Free Software Foundation, Inc.
    Contributed by Intel Corporation.
    This file is part of the GNU C Library.
@@ -51,6 +52,8 @@ END(memcpy)
 # define ENTRY(name) \
 	.type __memcpy_ia32, @function; \
 	.p2align 4; \
+	.globl __memcpy_ia32; \
+	.hidden __memcpy_ia32; \
 	__memcpy_ia32: cfi_startproc; \
 	CALL_MCOUNT
 # undef END
diff --git a/sysdeps/i386/i686/multiarch/memcpy_chk.S b/sysdeps/i386/i686/multiarch/memcpy_chk.S
index 40deada687..d9d7e1f956 100644
--- a/sysdeps/i386/i686/multiarch/memcpy_chk.S
+++ b/sysdeps/i386/i686/multiarch/memcpy_chk.S
@@ -1,4 +1,5 @@
 /* Multiple versions of __memcpy_chk
+   All versions must be listed in ifunc-impl-list.c.
    Copyright (C) 2010, 2012 Free Software Foundation, Inc.
    Contributed by Intel Corporation.
    This file is part of the GNU C Library.
diff --git a/sysdeps/i386/i686/multiarch/memmove.S b/sysdeps/i386/i686/multiarch/memmove.S
index b8892c065e..b692f47f7c 100644
--- a/sysdeps/i386/i686/multiarch/memmove.S
+++ b/sysdeps/i386/i686/multiarch/memmove.S
@@ -1,4 +1,5 @@
 /* Multiple versions of memmove
+   All versions must be listed in ifunc-impl-list.c.
    Copyright (C) 2010, 2012 Free Software Foundation, Inc.
    Contributed by Intel Corporation.
    This file is part of the GNU C Library.
@@ -50,6 +51,8 @@ END(memmove)
 # define ENTRY(name) \
 	.type __memmove_ia32, @function; \
 	.p2align 4; \
+	.globl __memmove_ia32; \
+	.hidden __memmove_ia32; \
 	__memmove_ia32: cfi_startproc; \
 	CALL_MCOUNT
 # else
diff --git a/sysdeps/i386/i686/multiarch/memmove_chk.S b/sysdeps/i386/i686/multiarch/memmove_chk.S
index 8139cd96bb..20dc3e3a8a 100644
--- a/sysdeps/i386/i686/multiarch/memmove_chk.S
+++ b/sysdeps/i386/i686/multiarch/memmove_chk.S
@@ -1,4 +1,5 @@
 /* Multiple versions of __memmove_chk
+   All versions must be listed in ifunc-impl-list.c.
    Copyright (C) 2010, 2012 Free Software Foundation, Inc.
    Contributed by Intel Corporation.
    This file is part of the GNU C Library.
diff --git a/sysdeps/i386/i686/multiarch/mempcpy.S b/sysdeps/i386/i686/multiarch/mempcpy.S
index 95bda46353..500e6e72e9 100644
--- a/sysdeps/i386/i686/multiarch/mempcpy.S
+++ b/sysdeps/i386/i686/multiarch/mempcpy.S
@@ -1,4 +1,5 @@
 /* Multiple versions of mempcpy
+   All versions must be listed in ifunc-impl-list.c.
    Copyright (C) 2010, 2012 Free Software Foundation, Inc.
    Contributed by Intel Corporation.
    This file is part of the GNU C Library.
@@ -51,6 +52,8 @@ END(__mempcpy)
 # define ENTRY(name) \
 	.type __mempcpy_ia32, @function; \
 	.p2align 4; \
+	.globl __mempcpy_ia32; \
+	.hidden __mempcpy_ia32; \
 	__mempcpy_ia32: cfi_startproc; \
 	CALL_MCOUNT
 # undef END
diff --git a/sysdeps/i386/i686/multiarch/mempcpy_chk.S b/sysdeps/i386/i686/multiarch/mempcpy_chk.S
index e491f94291..12f34532aa 100644
--- a/sysdeps/i386/i686/multiarch/mempcpy_chk.S
+++ b/sysdeps/i386/i686/multiarch/mempcpy_chk.S
@@ -1,4 +1,5 @@
 /* Multiple versions of __mempcpy_chk
+   All versions must be listed in ifunc-impl-list.c.
    Copyright (C) 2010, 2012 Free Software Foundation, Inc.
    Contributed by Intel Corporation.
    This file is part of the GNU C Library.
diff --git a/sysdeps/i386/i686/multiarch/memrchr.S b/sysdeps/i386/i686/multiarch/memrchr.S
index 762489d770..f94862b3ea 100644
--- a/sysdeps/i386/i686/multiarch/memrchr.S
+++ b/sysdeps/i386/i686/multiarch/memrchr.S
@@ -1,4 +1,5 @@
 /* Multiple versions of memrchr
+   All versions must be listed in ifunc-impl-list.c.
    Copyright (C) 2011, 2012 Free Software Foundation, Inc.
    Contributed by Intel Corporation.
    This file is part of the GNU C Library.
diff --git a/sysdeps/i386/i686/multiarch/memset.S b/sysdeps/i386/i686/multiarch/memset.S
index 8878340244..65745d4a2f 100644
--- a/sysdeps/i386/i686/multiarch/memset.S
+++ b/sysdeps/i386/i686/multiarch/memset.S
@@ -1,4 +1,5 @@
 /* Multiple versions of memset
+   All versions must be listed in ifunc-impl-list.c.
    Copyright (C) 2010, 2012 Free Software Foundation, Inc.
    Contributed by Intel Corporation.
    This file is part of the GNU C Library.
diff --git a/sysdeps/i386/i686/multiarch/memset_chk.S b/sysdeps/i386/i686/multiarch/memset_chk.S
index 02649df192..d499b8c527 100644
--- a/sysdeps/i386/i686/multiarch/memset_chk.S
+++ b/sysdeps/i386/i686/multiarch/memset_chk.S
@@ -1,4 +1,5 @@
 /* Multiple versions of __memset_chk
+   All versions must be listed in ifunc-impl-list.c.
    Copyright (C) 2010, 2012 Free Software Foundation, Inc.
    Contributed by Intel Corporation.
    This file is part of the GNU C Library.
diff --git a/sysdeps/i386/i686/multiarch/rawmemchr.S b/sysdeps/i386/i686/multiarch/rawmemchr.S
index 5bea20bdc8..f2af368f25 100644
--- a/sysdeps/i386/i686/multiarch/rawmemchr.S
+++ b/sysdeps/i386/i686/multiarch/rawmemchr.S
@@ -1,4 +1,5 @@
 /* Multiple versions of rawmemchr
+   All versions must be listed in ifunc-impl-list.c.
    Copyright (C) 2011-2012 Free Software Foundation, Inc.
    Contributed by Intel Corporation.
    This file is part of the GNU C Library.
diff --git a/sysdeps/i386/i686/multiarch/stpcpy.S b/sysdeps/i386/i686/multiarch/stpcpy.S
index b63d308edc..ee81ab6ae3 100644
--- a/sysdeps/i386/i686/multiarch/stpcpy.S
+++ b/sysdeps/i386/i686/multiarch/stpcpy.S
@@ -1,3 +1,5 @@
+/* Multiple versions of stpcpy
+   All versions must be listed in ifunc-impl-list.c.  */
 #define USE_AS_STPCPY
 #define STRCPY __stpcpy
 #include "strcpy.S"
diff --git a/sysdeps/i386/i686/multiarch/stpncpy.S b/sysdeps/i386/i686/multiarch/stpncpy.S
index ff89a89491..2698ca6a8c 100644
--- a/sysdeps/i386/i686/multiarch/stpncpy.S
+++ b/sysdeps/i386/i686/multiarch/stpncpy.S
@@ -1,3 +1,5 @@
+/* Multiple versions of stpncpy
+   All versions must be listed in ifunc-impl-list.c.  */
 #define STRCPY __stpncpy
 #define USE_AS_STPCPY
 #define USE_AS_STRNCPY
diff --git a/sysdeps/i386/i686/multiarch/strcasecmp.S b/sysdeps/i386/i686/multiarch/strcasecmp.S
index fbd2de3985..cf83e6e97e 100644
--- a/sysdeps/i386/i686/multiarch/strcasecmp.S
+++ b/sysdeps/i386/i686/multiarch/strcasecmp.S
@@ -1,4 +1,5 @@
 /* Entry point for multi-version x86 strcasecmp.
+   All versions must be listed in ifunc-impl-list.c.
    Copyright (C) 2011-2012 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
diff --git a/sysdeps/i386/i686/multiarch/strcasecmp_l.S b/sysdeps/i386/i686/multiarch/strcasecmp_l.S
index 1322bd86da..711c09b0dc 100644
--- a/sysdeps/i386/i686/multiarch/strcasecmp_l.S
+++ b/sysdeps/i386/i686/multiarch/strcasecmp_l.S
@@ -1,3 +1,5 @@
+/* Multiple versions of strcasecmp_l
+   All versions must be listed in ifunc-impl-list.c.  */
 #define STRCMP __strcasecmp_l
 #define USE_AS_STRCASECMP_L
 #include "strcmp.S"
diff --git a/sysdeps/i386/i686/multiarch/strcasestr-c.c b/sysdeps/i386/i686/multiarch/strcasestr-c.c
index 0d52b0e47a..c1d6dac1dd 100644
--- a/sysdeps/i386/i686/multiarch/strcasestr-c.c
+++ b/sysdeps/i386/i686/multiarch/strcasestr-c.c
@@ -1,2 +1,4 @@
+/* Multiple versions of strcasestr
+   All versions must be listed in ifunc-impl-list.c.  */
 #define __strcasestr_sse2 __strcasestr_ia32
 #include <sysdeps/x86_64/multiarch/strcasestr-c.c>
diff --git a/sysdeps/i386/i686/multiarch/strcat.S b/sysdeps/i386/i686/multiarch/strcat.S
index e68fecafb3..a7d322421c 100644
--- a/sysdeps/i386/i686/multiarch/strcat.S
+++ b/sysdeps/i386/i686/multiarch/strcat.S
@@ -1,4 +1,5 @@
 /* Multiple versions of strcat
+   All versions must be listed in ifunc-impl-list.c.
    Copyright (C) 2011-2012 Free Software Foundation, Inc.
    Contributed by Intel Corporation.
    This file is part of the GNU C Library.
@@ -94,6 +95,8 @@ END(STRCAT)
 # define ENTRY(name) \
 	.type STRCAT_IA32, @function; \
 	.align 16; \
+	.globl STRCAT_IA32; \
+	.hidden STRCAT_IA32; \
 	STRCAT_IA32: cfi_startproc; \
 	CALL_MCOUNT
 # undef END
diff --git a/sysdeps/i386/i686/multiarch/strchr.S b/sysdeps/i386/i686/multiarch/strchr.S
index e236d607c9..c6205daf51 100644
--- a/sysdeps/i386/i686/multiarch/strchr.S
+++ b/sysdeps/i386/i686/multiarch/strchr.S
@@ -1,4 +1,5 @@
 /* Multiple versions of strchr
+   All versions must be listed in ifunc-impl-list.c.
    Copyright (C) 2011-2012 Free Software Foundation, Inc.
    Contributed by Intel Corporation.
    This file is part of the GNU C Library.
diff --git a/sysdeps/i386/i686/multiarch/strcmp.S b/sysdeps/i386/i686/multiarch/strcmp.S
index b3b9eb87bc..76ac1f8ebc 100644
--- a/sysdeps/i386/i686/multiarch/strcmp.S
+++ b/sysdeps/i386/i686/multiarch/strcmp.S
@@ -1,4 +1,5 @@
 /* Multiple versions of strcmp
+   All versions must be listed in ifunc-impl-list.c.
    Copyright (C) 2010-2012 Free Software Foundation, Inc.
    Contributed by Intel Corporation.
    This file is part of the GNU C Library.
@@ -95,6 +96,8 @@ END(STRCMP)
 # define ENTRY(name) \
 	.type __STRCMP_IA32, @function; \
 	.p2align 4; \
+	.globl __STRCMP_IA32; \
+	.hidden __STRCMP_IA32; \
 	__STRCMP_IA32: cfi_startproc; \
 	CALL_MCOUNT
 # undef END
diff --git a/sysdeps/i386/i686/multiarch/strcpy.S b/sysdeps/i386/i686/multiarch/strcpy.S
index 71eee768ac..44fa6d218f 100644
--- a/sysdeps/i386/i686/multiarch/strcpy.S
+++ b/sysdeps/i386/i686/multiarch/strcpy.S
@@ -1,4 +1,5 @@
 /* Multiple versions of strcpy
+   All versions must be listed in ifunc-impl-list.c.
    Copyright (C) 2011-2012 Free Software Foundation, Inc.
    Contributed by Intel Corporation.
    This file is part of the GNU C Library.
@@ -110,6 +111,8 @@ END(STRCPY)
 # define ENTRY(name) \
 	.type STRCPY_IA32, @function; \
 	.align 16; \
+	.globl STRCPY_IA32; \
+	.hidden STRCPY_IA32; \
 	STRCPY_IA32: cfi_startproc; \
 	CALL_MCOUNT
 # undef END
diff --git a/sysdeps/i386/i686/multiarch/strcspn.S b/sysdeps/i386/i686/multiarch/strcspn.S
index 8a00a020aa..84954306ab 100644
--- a/sysdeps/i386/i686/multiarch/strcspn.S
+++ b/sysdeps/i386/i686/multiarch/strcspn.S
@@ -1,4 +1,5 @@
 /* Multiple versions of strcspn
+   All versions must be listed in ifunc-impl-list.c.
    Copyright (C) 2009, 2012 Free Software Foundation, Inc.
    Contributed by Intel Corporation.
    This file is part of the GNU C Library.
diff --git a/sysdeps/i386/i686/multiarch/strlen.S b/sysdeps/i386/i686/multiarch/strlen.S
index 310765cb05..c1d8b6c323 100644
--- a/sysdeps/i386/i686/multiarch/strlen.S
+++ b/sysdeps/i386/i686/multiarch/strlen.S
@@ -1,4 +1,5 @@
 /* Multiple versions of strlen
+   All versions must be listed in ifunc-impl-list.c.
    Copyright (C) 2009, 2010, 2012 Free Software Foundation, Inc.
    Contributed by Intel Corporation.
    This file is part of the GNU C Library.
diff --git a/sysdeps/i386/i686/multiarch/strncase.S b/sysdeps/i386/i686/multiarch/strncase.S
index 37fccb85e6..ca5f863195 100644
--- a/sysdeps/i386/i686/multiarch/strncase.S
+++ b/sysdeps/i386/i686/multiarch/strncase.S
@@ -1,4 +1,5 @@
 /* Entry point for multi-version x86 strncasecmp.
+   All versions must be listed in ifunc-impl-list.c.
    Copyright (C) 2011-2012 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
diff --git a/sysdeps/i386/i686/multiarch/strncase_l.S b/sysdeps/i386/i686/multiarch/strncase_l.S
index a808c8cd71..8a74ee8574 100644
--- a/sysdeps/i386/i686/multiarch/strncase_l.S
+++ b/sysdeps/i386/i686/multiarch/strncase_l.S
@@ -1,3 +1,5 @@
+/* Multiple versions of strncasecmp_l
+   All versions must be listed in ifunc-impl-list.c.  */
 #define STRCMP __strncasecmp_l
 #define USE_AS_STRNCASECMP_L
 #include "strcmp.S"
diff --git a/sysdeps/i386/i686/multiarch/strncat.S b/sysdeps/i386/i686/multiarch/strncat.S
index fd569c2234..5c1bf41453 100644
--- a/sysdeps/i386/i686/multiarch/strncat.S
+++ b/sysdeps/i386/i686/multiarch/strncat.S
@@ -1,3 +1,5 @@
+/* Multiple versions of strncat
+   All versions must be listed in ifunc-impl-list.c.  */
 #define STRCAT strncat
 #define USE_AS_STRNCAT
 #include "strcat.S"
diff --git a/sysdeps/i386/i686/multiarch/strncmp.S b/sysdeps/i386/i686/multiarch/strncmp.S
index b6814315fb..150d4786d2 100644
--- a/sysdeps/i386/i686/multiarch/strncmp.S
+++ b/sysdeps/i386/i686/multiarch/strncmp.S
@@ -1,3 +1,5 @@
+/* Multiple versions of strncmp
+   All versions must be listed in ifunc-impl-list.c.  */
 #define USE_AS_STRNCMP
 #define STRCMP	strncmp
 #include "strcmp.S"
diff --git a/sysdeps/i386/i686/multiarch/strncpy.S b/sysdeps/i386/i686/multiarch/strncpy.S
index 30a5bd2f9d..9c257efc6e 100644
--- a/sysdeps/i386/i686/multiarch/strncpy.S
+++ b/sysdeps/i386/i686/multiarch/strncpy.S
@@ -1,3 +1,5 @@
+/* Multiple versions of strncpy
+   All versions must be listed in ifunc-impl-list.c.  */
 #define USE_AS_STRNCPY
 #define STRCPY strncpy
 #include "strcpy.S"
diff --git a/sysdeps/i386/i686/multiarch/strnlen.S b/sysdeps/i386/i686/multiarch/strnlen.S
index 44ad0b357e..b82052e969 100644
--- a/sysdeps/i386/i686/multiarch/strnlen.S
+++ b/sysdeps/i386/i686/multiarch/strnlen.S
@@ -1,4 +1,5 @@
 /* Multiple versions of strnlen
+   All versions must be listed in ifunc-impl-list.c.
    Copyright (C) 2011-2012 Free Software Foundation, Inc.
    Contributed by Intel Corporation.
    This file is part of the GNU C Library.
diff --git a/sysdeps/i386/i686/multiarch/strpbrk.S b/sysdeps/i386/i686/multiarch/strpbrk.S
index ed5bca6a94..7201d6376f 100644
--- a/sysdeps/i386/i686/multiarch/strpbrk.S
+++ b/sysdeps/i386/i686/multiarch/strpbrk.S
@@ -1,3 +1,5 @@
+/* Multiple versions of strpbrk
+   All versions must be listed in ifunc-impl-list.c.  */
 #define STRCSPN strpbrk
 #define USE_AS_STRPBRK
 #include "strcspn.S"
diff --git a/sysdeps/i386/i686/multiarch/strrchr.S b/sysdeps/i386/i686/multiarch/strrchr.S
index f851b7781e..37468f1248 100644
--- a/sysdeps/i386/i686/multiarch/strrchr.S
+++ b/sysdeps/i386/i686/multiarch/strrchr.S
@@ -1,4 +1,5 @@
 /* Multiple versions of strrchr
+   All versions must be listed in ifunc-impl-list.c.
    Copyright (C) 2011-2012 Free Software Foundation, Inc.
    Contributed by Intel Corporation.
    This file is part of the GNU C Library.
diff --git a/sysdeps/i386/i686/multiarch/strspn.S b/sysdeps/i386/i686/multiarch/strspn.S
index 8170f9cb8d..f90df63ef8 100644
--- a/sysdeps/i386/i686/multiarch/strspn.S
+++ b/sysdeps/i386/i686/multiarch/strspn.S
@@ -1,4 +1,5 @@
 /* Multiple versions of strspn
+   All versions must be listed in ifunc-impl-list.c.
    Copyright (C) 2009,2010,2012 Free Software Foundation, Inc.
    Contributed by Intel Corporation.
    This file is part of the GNU C Library.
diff --git a/sysdeps/i386/i686/multiarch/strstr-c.c b/sysdeps/i386/i686/multiarch/strstr-c.c
index 17c75c5f0b..7516c7ffee 100644
--- a/sysdeps/i386/i686/multiarch/strstr-c.c
+++ b/sysdeps/i386/i686/multiarch/strstr-c.c
@@ -1,3 +1,6 @@
+/* Multiple versions of strstr
+   All versions must be listed in ifunc-impl-list.c.  */
+
 #include "init-arch.h"
 
 #define STRSTR __strstr_ia32
diff --git a/sysdeps/i386/i686/multiarch/wcschr.S b/sysdeps/i386/i686/multiarch/wcschr.S
index 34ea47df66..03fe3ca367 100644
--- a/sysdeps/i386/i686/multiarch/wcschr.S
+++ b/sysdeps/i386/i686/multiarch/wcschr.S
@@ -1,4 +1,5 @@
 /* Multiple versions of wcschr
+   All versions must be listed in ifunc-impl-list.c.
    Copyright (C) 2011-2012 Free Software Foundation, Inc.
    Contributed by Intel Corporation.
    This file is part of the GNU C Library.
diff --git a/sysdeps/i386/i686/multiarch/wcscmp.S b/sysdeps/i386/i686/multiarch/wcscmp.S
index d458476011..e23ba05ac9 100644
--- a/sysdeps/i386/i686/multiarch/wcscmp.S
+++ b/sysdeps/i386/i686/multiarch/wcscmp.S
@@ -1,4 +1,5 @@
 /* Multiple versions of wcscmp
+   All versions must be listed in ifunc-impl-list.c.
    Copyright (C) 2011-2012 Free Software Foundation, Inc.
    Contributed by Intel Corporation.
    This file is part of the GNU C Library.
diff --git a/sysdeps/i386/i686/multiarch/wcscpy.S b/sysdeps/i386/i686/multiarch/wcscpy.S
index 8c3ba1d28b..6eea48a667 100644
--- a/sysdeps/i386/i686/multiarch/wcscpy.S
+++ b/sysdeps/i386/i686/multiarch/wcscpy.S
@@ -1,4 +1,5 @@
 /* Multiple versions of wcscpy
+   All versions must be listed in ifunc-impl-list.c.
    Copyright (C) 2011-2012 Free Software Foundation, Inc.
    Contributed by Intel Corporation.
    This file is part of the GNU C Library.
diff --git a/sysdeps/i386/i686/multiarch/wcslen.S b/sysdeps/i386/i686/multiarch/wcslen.S
index f8b2fab901..cdae51693d 100644
--- a/sysdeps/i386/i686/multiarch/wcslen.S
+++ b/sysdeps/i386/i686/multiarch/wcslen.S
@@ -1,4 +1,5 @@
 /* Multiple versions of wcslen
+   All versions must be listed in ifunc-impl-list.c.
    Copyright (C) 2011-2012 Free Software Foundation, Inc.
    Contributed by Intel Corporation.
    This file is part of the GNU C Library.
diff --git a/sysdeps/i386/i686/multiarch/wcsrchr.S b/sysdeps/i386/i686/multiarch/wcsrchr.S
index ec550b0825..f4b0618c26 100644
--- a/sysdeps/i386/i686/multiarch/wcsrchr.S
+++ b/sysdeps/i386/i686/multiarch/wcsrchr.S
@@ -1,4 +1,5 @@
 /* Multiple versions of wcsrchr
+   All versions must be listed in ifunc-impl-list.c.
    Copyright (C) 2011-2012 Free Software Foundation, Inc.
    Contributed by Intel Corporation.
    This file is part of the GNU C Library.
diff --git a/sysdeps/i386/i686/multiarch/wmemcmp.S b/sysdeps/i386/i686/multiarch/wmemcmp.S
index 61d55cd2f3..7c485f7312 100644
--- a/sysdeps/i386/i686/multiarch/wmemcmp.S
+++ b/sysdeps/i386/i686/multiarch/wmemcmp.S
@@ -1,4 +1,5 @@
 /* Multiple versions of wmemcmp
+   All versions must be listed in ifunc-impl-list.c.
    Copyright (C) 2011-2012 Free Software Foundation, Inc.
    Contributed by Intel Corporation.
    This file is part of the GNU C Library.
-- 
2.11.4.GIT