[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit

Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/libc/glibc/glibc-2.22/sysdeps/i386/strlen.c b/ap/libc/glibc/glibc-2.22/sysdeps/i386/strlen.c
new file mode 100644
index 0000000..1839c90
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.22/sysdeps/i386/strlen.c
@@ -0,0 +1,35 @@
+/* Determine the length of a string.  For Intel 80x86, x>=3.
+   Copyright (C) 1991-2015 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Torbjorn Granlund (tege@sics.se).
+
+   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 <string.h>
+
+size_t
+strlen (const char *str)
+{
+  int cnt;
+
+  asm("cld\n"			/* Search forward.  */
+      /* Some old versions of gas need `repne' instead of `repnz'.  */
+      "repnz\n"			/* Look for a zero byte.  */
+      "scasb" /* %0, %1, %3 */ :
+      "=c" (cnt) : "D" (str), "0" (-1), "a" (0));
+
+  return -2 - cnt;
+}
+libc_hidden_builtin_def (strlen)