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authorMatthias P. Braendli <matthias.braendli@mpb.li>2019-10-07 04:52:50 +0200
committerMatthias P. Braendli <matthias.braendli@mpb.li>2019-10-07 04:52:50 +0200
commit0aa6201a490bfabc0ae021ceb9f1fb0f46727c5d (patch)
treea71d934d8151dd43e7c16555fef17fd749c5da70 /lib/asio/detail/gcc_arm_fenced_block.hpp
parent558d74bffd9f069955af52c0b308a1d6169bcff0 (diff)
parent0330221d51421caa110b8c5dcb567cc3d0620eb9 (diff)
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Merge lime output into next branch
Diffstat (limited to 'lib/asio/detail/gcc_arm_fenced_block.hpp')
-rw-r--r--lib/asio/detail/gcc_arm_fenced_block.hpp91
1 files changed, 0 insertions, 91 deletions
diff --git a/lib/asio/detail/gcc_arm_fenced_block.hpp b/lib/asio/detail/gcc_arm_fenced_block.hpp
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--- a/lib/asio/detail/gcc_arm_fenced_block.hpp
+++ /dev/null
@@ -1,91 +0,0 @@
-//
-// detail/gcc_arm_fenced_block.hpp
-// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-//
-// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
-//
-// Distributed under the Boost Software License, Version 1.0. (See accompanying
-// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-//
-
-#ifndef ASIO_DETAIL_GCC_ARM_FENCED_BLOCK_HPP
-#define ASIO_DETAIL_GCC_ARM_FENCED_BLOCK_HPP
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
-# pragma once
-#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
-
-#include "asio/detail/config.hpp"
-
-#if defined(__GNUC__) && defined(__arm__)
-
-#include "asio/detail/noncopyable.hpp"
-
-#include "asio/detail/push_options.hpp"
-
-namespace asio {
-namespace detail {
-
-class gcc_arm_fenced_block
- : private noncopyable
-{
-public:
- enum half_t { half };
- enum full_t { full };
-
- // Constructor for a half fenced block.
- explicit gcc_arm_fenced_block(half_t)
- {
- }
-
- // Constructor for a full fenced block.
- explicit gcc_arm_fenced_block(full_t)
- {
- barrier();
- }
-
- // Destructor.
- ~gcc_arm_fenced_block()
- {
- barrier();
- }
-
-private:
- static void barrier()
- {
-#if defined(__ARM_ARCH_4__) \
- || defined(__ARM_ARCH_4T__) \
- || defined(__ARM_ARCH_5__) \
- || defined(__ARM_ARCH_5E__) \
- || defined(__ARM_ARCH_5T__) \
- || defined(__ARM_ARCH_5TE__) \
- || defined(__ARM_ARCH_5TEJ__) \
- || defined(__ARM_ARCH_6__) \
- || defined(__ARM_ARCH_6J__) \
- || defined(__ARM_ARCH_6K__) \
- || defined(__ARM_ARCH_6Z__) \
- || defined(__ARM_ARCH_6ZK__) \
- || defined(__ARM_ARCH_6T2__)
-# if defined(__thumb__)
- // This is just a placeholder and almost certainly not sufficient.
- __asm__ __volatile__ ("" : : : "memory");
-# else // defined(__thumb__)
- int a = 0, b = 0;
- __asm__ __volatile__ ("swp %0, %1, [%2]"
- : "=&r"(a) : "r"(1), "r"(&b) : "memory", "cc");
-# endif // defined(__thumb__)
-#else
- // ARMv7 and later.
- __asm__ __volatile__ ("dmb" : : : "memory");
-#endif
- }
-};
-
-} // namespace detail
-} // namespace asio
-
-#include "asio/detail/pop_options.hpp"
-
-#endif // defined(__GNUC__) && defined(__arm__)
-
-#endif // ASIO_DETAIL_GCC_ARM_FENCED_BLOCK_HPP