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diff --git a/src/3rdparty/v8/src/misc-intrinsics.h b/src/3rdparty/v8/src/misc-intrinsics.h
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-// Copyright 2011 the V8 project authors. All rights reserved.
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-// * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-// * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following
-// disclaimer in the documentation and/or other materials provided
-// with the distribution.
-// * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived
-// from this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-#ifndef V8_MISC_INTRINSICS_H_
-#define V8_MISC_INTRINSICS_H_
-
-#include "../include/v8.h"
-#include "globals.h"
-
-namespace v8 {
-namespace internal {
-
-// Returns the index of the leading 1 bit, counting the least significant bit at
-// index 0. (1 << IntegerLog2(x)) is a mask for the most significant bit of x.
-// Result is undefined if input is zero.
-int IntegerLog2(uint32_t value);
-
-#if defined(__GNUC__)
-
-inline int IntegerLog2(uint32_t value) {
- return 31 - __builtin_clz(value);
-}
-
-#elif defined(_MSC_VER) && !defined(_WIN32_WCE)
-
-#pragma intrinsic(_BitScanReverse)
-
-inline int IntegerLog2(uint32_t value) {
- unsigned long result; // NOLINT: MSVC intrinsic demands this type.
- _BitScanReverse(&result, value);
- return result;
-}
-
-#else
-
-// Default version using regular operations. Code taken from:
-// http://graphics.stanford.edu/~seander/bithacks.html#IntegerLog
-inline int IntegerLog2(uint32_t value) {
- int result, shift;
-
- shift = (value > 0xFFFF) << 4;
- value >>= shift;
- result = shift;
-
- shift = (value > 0xFF) << 3;
- value >>= shift;
- result |= shift;
-
- shift = (value > 0xF) << 2;
- value >>= shift;
- result |= shift;
-
- shift = (value > 0x3) << 1;
- value >>= shift;
- result |= shift;
-
- result |= (value >> 1);
-
- return result;
-}
-#endif
-
-} } // namespace v8::internal
-
-#endif // V8_MISC_INTRINSICS_H_