1 files changed, 40 insertions, 0 deletions
diff --git a/sysdeps/s390/memchr.S b/sysdeps/s390/memchr.S
new file mode 100644
index 0000000000..72b4682745
--- /dev/null
+++ b/sysdeps/s390/memchr.S
@@ -0,0 +1,40 @@
+/* Search a character in a block of memory.  For IBM S390
+   Copyright (C) 2000 Free Software Foundation, Inc.
+   Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+/*
+ * R2 = address to memory area
+ * R3 = character to find
+ * R4 = number of bytes to search
+ */
+
+#include "sysdep.h"
+#include "asm-syntax.h"
+
+	.text
+ENTRY(memchr)
+	lhi   %r0,0xff
+	nr    %r0,%r3
+	lr    %r1,%r2
+	la    %r2,0(%r4,%r1)
+0:      srst  %r2,%r1
+	jo    0b
+	brc   13,1f
+	slr   %r2,%r2
+1:      br    %r14
+END(memchr)