[Feature][ZXW-33]merge ZXW 0428 version
Change-Id: I11f167edfea428d9fab198ff00ff1364932d1b0b
diff --git a/ap/libc/glibc/glibc-2.23/sysdeps/sh/memset.S b/ap/libc/glibc/glibc-2.23/sysdeps/sh/memset.S
new file mode 100644
index 0000000..50a42e0
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/sysdeps/sh/memset.S
@@ -0,0 +1,88 @@
+/* Copyright (C) 1999-2016 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Kazumoto Kojima <kkojima@rr.iij4u.or.jp>
+ Optimized by Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
+
+ 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>
+
+/* void *memset (t, c, len); */
+
+ENTRY(memset)
+ mov #12,r0
+ cmp/gt r6,r0
+ bt.s L_byte_loop_init
+ mov r4,r7
+
+ extu.b r5,r5
+ swap.b r5,r1
+ or r1,r5
+ swap.w r5,r1
+ or r1,r5
+
+ mov r4,r0
+ tst #1,r0
+ bt L_wordalign
+
+ mov.b r5,@r4
+ add #-1,r6
+ add #1,r4
+ mov r4,r0
+
+ .balignw 4,0x0009
+L_wordalign:
+ tst #2,r0
+ bt L_word_loop_init
+
+ mov.w r5,@r4
+ add #-2,r6
+ add #2,r4
+ mov r4,r0
+
+ .balignw 4,0x0009
+L_word_loop_init:
+ mov r6,r3
+ shlr2 r3
+ mov #7,r0
+ shlr r3
+ and r0,r6
+
+ .balignw 4,0x0009
+L_2word_loop:
+ mov.l r5,@r4
+ dt r3
+ mov.l r5,@(4,r4)
+ bf.s L_2word_loop
+ add #8,r4
+
+ .balignw 4,0x0009
+L_byte_loop_init:
+ tst r6,r6
+ bt L_byte_exit
+
+ .balignw 4,0x0009
+L_byte_loop:
+ mov.b r5,@r4
+ dt r6
+ bf.s L_byte_loop
+ add #1,r4
+
+ .balignw 4,0x0009
+L_byte_exit:
+ rts
+ mov r7,r0
+END(memset)
+libc_hidden_builtin_def (memset)