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-rw-r--r--lib/scudo/standalone/crc32_hw.cpp19
1 files changed, 19 insertions, 0 deletions
diff --git a/lib/scudo/standalone/crc32_hw.cpp b/lib/scudo/standalone/crc32_hw.cpp
new file mode 100644
index 000000000000..62841ba51019
--- /dev/null
+++ b/lib/scudo/standalone/crc32_hw.cpp
@@ -0,0 +1,19 @@
+//===-- crc32_hw.cpp --------------------------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "checksum.h"
+
+namespace scudo {
+
+#if defined(__SSE4_2__) || defined(__ARM_FEATURE_CRC32)
+u32 computeHardwareCRC32(u32 Crc, uptr Data) {
+ return static_cast<u32>(CRC32_INTRINSIC(Crc, Data));
+}
+#endif // defined(__SSE4_2__) || defined(__ARM_FEATURE_CRC32)
+
+} // namespace scudo