| //===-- Implementation of ffs ---------------------------------------------===// |
| // |
| // 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 "src/strings/ffs.h" |
| #include "src/__support/common.h" |
| #include "src/__support/macros/config.h" |
| #include "src/__support/math_extras.h" |
| |
| namespace LIBC_NAMESPACE_DECL { |
| |
| LLVM_LIBC_FUNCTION(int, ffs, (int i)) { |
| return first_trailing_one(static_cast<unsigned>(i)); |
| } |
| |
| } // namespace LIBC_NAMESPACE_DECL |