| // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| #ifndef PLATFORM_UTILS_ANDROID_H_ |
| #define PLATFORM_UTILS_ANDROID_H_ |
| |
| namespace dart { |
| |
| inline int Utils::CountTrailingZeros(uword x) { |
| #if defined(ARCH_IS_32_BIT) |
| return __builtin_ctzl(x); |
| #elif defined(ARCH_IS_64_BIT) |
| return __builtin_ctzll(x); |
| #else |
| #error Architecture is not 32-bit or 64-bit. |
| #endif |
| }; |
| |
| } // namespace dart |
| |
| #endif // PLATFORM_UTILS_ANDROID_H_ |
