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06ee65af9e
release/18.x branch, commit 78b99c73ee4b96fe9ce0e294d4632326afb2db42 This adds the flag `-D_LIBCPP_HARDENING_MODE` which is determined based on the Zig optimization mode. This commit also fixes libunwind, libcxx, and libcxxabi to properly report sub compilation errors.
34 lines
1 KiB
C
Vendored
34 lines
1 KiB
C
Vendored
//===----------------------------------------------------------------------===//
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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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#ifndef _LIBCPP___BIT_BLSR_H
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#define _LIBCPP___BIT_BLSR_H
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#include <__config>
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#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
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# pragma GCC system_header
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#endif
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_LIBCPP_BEGIN_NAMESPACE_STD
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inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR unsigned __libcpp_blsr(unsigned __x) _NOEXCEPT {
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return __x ^ (__x & -__x);
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}
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inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR unsigned long __libcpp_blsr(unsigned long __x) _NOEXCEPT {
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return __x ^ (__x & -__x);
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}
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inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR unsigned long long __libcpp_blsr(unsigned long long __x) _NOEXCEPT {
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return __x ^ (__x & -__x);
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}
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_LIBCPP_END_NAMESPACE_STD
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#endif // _LIBCPP___BIT_BLSR_H
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