1 files changed, 25 insertions, 0 deletions
diff --git a/deps/v8/src/base/bits.cc b/deps/v8/src/base/bits.cc
new file mode 100644
index 0000000000..6daee532a7
--- /dev/null
+++ b/deps/v8/src/base/bits.cc
@@ -0,0 +1,25 @@
+// Copyright 2014 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "src/base/bits.h"
+#include "src/base/logging.h"
+
+namespace v8 {
+namespace base {
+namespace bits {
+
+uint32_t RoundUpToPowerOfTwo32(uint32_t value) {
+  DCHECK_LE(value, 0x80000000u);
+  value = value - 1;
+  value = value | (value >> 1);
+  value = value | (value >> 2);
+  value = value | (value >> 4);
+  value = value | (value >> 8);
+  value = value | (value >> 16);
+  return value + 1;
+}
+
+}  // namespace bits
+}  // namespace base
+}  // namespace v8