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-rw-r--r--libc/string/sh/memchr.S30
1 files changed, 30 insertions, 0 deletions
diff --git a/libc/string/sh/memchr.S b/libc/string/sh/memchr.S
new file mode 100644
index 000000000..6b7142f69
--- /dev/null
+++ b/libc/string/sh/memchr.S
@@ -0,0 +1,30 @@
+/* $Id: memchr.S,v 1.1 2000/04/14 16:49:01 mjd Exp $
+ *
+ * "memchr" implementation of SuperH
+ *
+ * Copyright (C) 1999 Niibe Yutaka
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+/*
+ * void *memchr(const void *s, int c, size_t n);
+ */
+
+#include <sysdep.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
+END(memchr)
+libc_hidden_def (memchr)