patch-2.3.24 linux/arch/sh/lib/memchr.S

• Lines: 27
• Date: Mon Oct 25 10:59:18 1999
• Orig file: v2.3.23/linux/arch/sh/lib/memchr.S
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.3.23/linux/arch/sh/lib/memchr.S linux/arch/sh/lib/memchr.S
@@ -0,0 +1,26 @@
+/* $Id: memchr.S,v 1.1 1999/10/17 11:32:38 gniibe Exp $
+ *
+ * "memchr" implementation of SuperH
+ *
+ * Copyright (C) 1999  Niibe Yutaka
+ *
+ */
+
+/*
+ * void *memchr(const void *s, int c, size_t n);
+ */
+
+#include <linux/linkage.h>
+ENTRY(memchr)
+	tst	r6,r6
+	bt/s	2f
+	 exts.b	r5,r5
+1:	mov.b	@r4,r1
+	cmp/eq	r1,r5
+	bt/s	3f
+	 dt	r6
+	bf/s	1b
+	 add	#1,r4
+2:	mov	#0,r4
+3:	rts
+	 mov	r4,r0