a5588b6d20
This patch adds the `strings/ffs` function. ref: https://pubs.opengroup.org/onlinepubs/9799919799/functions/ffs.html Closes: #122054.
21 lines
680 B
C++
21 lines
680 B
C++
//===-- Implementation of ffs ---------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "src/strings/ffs.h"
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#include "src/__support/common.h"
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#include "src/__support/macros/config.h"
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#include "src/__support/math_extras.h"
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namespace LIBC_NAMESPACE_DECL {
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LLVM_LIBC_FUNCTION(int, ffs, (int i)) {
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return first_trailing_one(static_cast<unsigned>(i));
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}
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} // namespace LIBC_NAMESPACE_DECL
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