1 files changed, 69 insertions, 0 deletions
diff --git a/libmariadb/external/zlib/crc32_simd.h b/libmariadb/external/zlib/crc32_simd.h
new file mode 100644
index 00000000..c8b35015
--- /dev/null
+++ b/libmariadb/external/zlib/crc32_simd.h
@@ -0,0 +1,69 @@
+//https://cs.chromium.org/chromium/src/third_party/zlib/crc32_simd.c
+/* crc32_simd.h
+ *
+ * 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 Chromium source repository LICENSE file.
+ */
+#ifndef CRC32_SIMD_H 
+#define  CRC32_SIMD_H
+
+
+#include <stdint.h>
+
+//#include "zconf.h"
+//#include "zutil.h"
+#include "deflate.h"
+
+//#ifndef local
+// #define local static
+//#endif
+
+//#ifndef z_crc_t
+//	#ifdef Z_U4
+//		typedef Z_U4 z_crc_t;
+//	 #else
+//		typedef unsigned long z_crc_t;
+//	#endif
+//#endif 
+#ifdef HAS_PCLMUL
+ #define CRC32_SIMD_SSE42_PCLMUL
+#endif
+
+#ifndef z_size_t
+	#define z_size_t size_t
+#endif
+#ifndef zalign
+	#ifdef _MSC_VER
+	#define zalign(x) __declspec(align(x))
+	#else
+	#define zalign(x) __attribute__((aligned((x))))
+	#endif
+#endif
+
+
+
+/*
+ * crc32_sse42_simd_(): compute the crc32 of the buffer, where the buffer
+ * length must be at least 64, and a multiple of 16.
+ */
+uint32_t ZLIB_INTERNAL crc32_sse42_simd_(
+    const unsigned char *buf,
+    z_size_t len,
+    uint32_t crc);
+
+/*
+ * crc32_sse42_simd_ buffer size constraints: see the use in zlib/crc32.c
+ * for computing the crc32 of an arbitrary length buffer.
+ */
+#define Z_CRC32_SSE42_MINIMUM_LENGTH 64
+#define Z_CRC32_SSE42_CHUNKSIZE_MASK 15
+
+/*
+ * CRC32 checksums using ARMv8-a crypto instructions.
+ */
+uint32_t ZLIB_INTERNAL armv8_crc32_little(unsigned long crc,
+                                          const unsigned char* buf,
+                                          z_size_t len);
+
+#endif /* CRC32_SIMD_H */
+\ No newline at end of file