[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/sh/strlen.S b/ap/libc/glibc/glibc-2.22/sysdeps/sh/strlen.S
new file mode 100644
index 0000000..37424a2
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.22/sysdeps/sh/strlen.S
@@ -0,0 +1,83 @@
+/* Copyright (C) 1999-2015 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Kazumoto Kojima <kkojima@rr.iij4u.or.jp>
+
+ 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>
+
+/* size_t strlen (const char *s) */
+
+ENTRY(strlen)
+ mov r4, r0
+ and #3, r0
+ tst r0, r0
+ bt/s 1f
+ mov #0, r2
+
+ add #-1, r0
+ shll2 r0
+ shll r0
+ braf r0
+ nop
+
+ mov.b @r4+, r1
+ tst r1, r1
+ bt 8f
+ add #1, r2
+
+ mov.b @r4+, r1
+ tst r1, r1
+ bt 8f
+ add #1, r2
+
+ mov.b @r4+, r1
+ tst r1, r1
+ bt 8f
+ add #1, r2
+
+1:
+ mov #0, r3
+2:
+ mov.l @r4+, r1
+ cmp/str r3, r1
+ bf/s 2b
+ add #4, r2
+
+ add #-4, r2
+#ifdef __BIG_ENDIAN__
+ swap.b r1, r1
+ swap.w r1, r1
+ swap.b r1, r1
+#endif
+ extu.b r1, r0
+ tst r0, r0
+ bt/s 8f
+ shlr8 r1
+ add #1, r2
+ extu.b r1, r0
+ tst r0, r0
+ bt/s 8f
+ shlr8 r1
+ add #1, r2
+ extu.b r1, r0
+ tst r0, r0
+ bt 8f
+ add #1, r2
+8:
+ rts
+ mov r2, r0
+END(strlen)
+libc_hidden_builtin_def (strlen)