NEON implementation for Adler32

third_party/zlib/neon_adler32.h

Index: third_party/zlib/neon_adler32.h
diff --git a/third_party/zlib/neon_adler32.h b/third_party/zlib/neon_adler32.h
new file mode 100644
index 0000000000000000000000000000000000000000..febe9a1ff388782d7f2ec46af9061b0751b84433
--- /dev/null
+++ b/third_party/zlib/neon_adler32.h
@@ -0,0 +1,13 @@
+/* Copyright 2017 The Chromium Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+*/
+#ifndef __NEON_ADLER32__
+#define __NEON_ADLER32__
+
+#ifdef __ARM_NEON__
+unsigned long NEON_adler32(unsigned long adler,
+                           const unsigned char* buf,
+                           const unsigned int len);
+#endif
+#endif