1 files changed, 14 insertions, 0 deletions
diff --git a/runtime/utils.h b/runtime/utils.h
index 789498ce09..7402c12280 100644
--- a/runtime/utils.h
+++ b/runtime/utils.h
@@ -289,6 +289,20 @@ static inline void CheckedCall(const Func& function, const char* what, Args... a
   }
 }
 
+// Hash bytes using a relatively fast hash.
+static inline size_t HashBytes(const uint8_t* data, size_t len) {
+  size_t hash = 0x811c9dc5;
+  for (uint32_t i = 0; i < len; ++i) {
+    hash = (hash * 16777619) ^ data[i];
+  }
+  hash += hash << 13;
+  hash ^= hash >> 7;
+  hash += hash << 3;
+  hash ^= hash >> 17;
+  hash += hash << 5;
+  return hash;
+}
+
 }  // namespace art
 
 #endif  // ART_RUNTIME_UTILS_H_