[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/arch/sparc/lib/memcmp.S b/src/kernel/linux/v4.14/arch/sparc/lib/memcmp.S
new file mode 100644
index 0000000..a18076e
--- /dev/null
+++ b/src/kernel/linux/v4.14/arch/sparc/lib/memcmp.S
@@ -0,0 +1,30 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Sparc optimized memcmp code.
+ *
+ * Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
+ * Copyright (C) 2000, 2008 David S. Miller (davem@davemloft.net)
+ */
+
+#include <linux/linkage.h>
+#include <asm/asm.h>
+#include <asm/export.h>
+
+ .text
+ENTRY(memcmp)
+ cmp %o2, 0
+1: BRANCH32(be, pn, 2f)
+ nop
+ ldub [%o0], %g7
+ ldub [%o1], %g3
+ sub %o2, 1, %o2
+ add %o0, 1, %o0
+ add %o1, 1, %o1
+ subcc %g7, %g3, %g3
+ BRANCH32(be, pt, 1b)
+ cmp %o2, 0
+ retl
+ mov %g3, %o0
+2: retl
+ mov 0, %o0
+ENDPROC(memcmp)
+EXPORT_SYMBOL(memcmp)