整理

include/boost/atomic/detail/caps_arch_gcc_aarch32.hpp

@@ -0,0 +1,53 @@
+/*
+ * 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)
+ *
+ * Copyright (c) 2020, 2022 Andrey Semashev
+ */
+/*!
+ * \file   atomic/detail/caps_arch_gcc_aarch32.hpp
+ *
+ * This header defines feature capabilities macros
+ */
+
+#ifndef BOOST_ATOMIC_DETAIL_CAPS_ARCH_GCC_AARCH32_HPP_INCLUDED_
+#define BOOST_ATOMIC_DETAIL_CAPS_ARCH_GCC_AARCH32_HPP_INCLUDED_
+
+#include <boost/atomic/detail/config.hpp>
+
+#ifdef BOOST_HAS_PRAGMA_ONCE
+#pragma once
+#endif
+
+#if defined(__ARMEL__) || \
+    (defined(__BYTE_ORDER__) && defined(__ORDER_LITTLE_ENDIAN__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) || \
+    (defined(__LITTLE_ENDIAN__) && !defined(__BIG_ENDIAN__)) || \
+    defined(BOOST_WINDOWS)
+#define BOOST_ATOMIC_DETAIL_AARCH32_LITTLE_ENDIAN
+#elif defined(__ARMEB__) || \
+    defined(__ARM_BIG_ENDIAN) || \
+    (defined(__BYTE_ORDER__) && defined(__ORDER_BIG_ENDIAN__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) || \
+    (defined(__BIG_ENDIAN__) && !defined(__LITTLE_ENDIAN__))
+#define BOOST_ATOMIC_DETAIL_AARCH32_BIG_ENDIAN
+#else
+#include <boost/predef/other/endian.h>
+#if BOOST_ENDIAN_LITTLE_BYTE
+#define BOOST_ATOMIC_DETAIL_AARCH32_LITTLE_ENDIAN
+#elif BOOST_ENDIAN_BIG_BYTE
+#define BOOST_ATOMIC_DETAIL_AARCH32_BIG_ENDIAN
+#else
+#error "Boost.Atomic: Failed to determine AArch32 endianness, the target platform is not supported. Please, report to the developers (patches are welcome)."
+#endif
+#endif
+
+#define BOOST_ATOMIC_INT8_LOCK_FREE 2
+#define BOOST_ATOMIC_INT16_LOCK_FREE 2
+#define BOOST_ATOMIC_INT32_LOCK_FREE 2
+#define BOOST_ATOMIC_INT64_LOCK_FREE 2
+#define BOOST_ATOMIC_POINTER_LOCK_FREE 2
+
+#define BOOST_ATOMIC_THREAD_FENCE 2
+#define BOOST_ATOMIC_SIGNAL_FENCE 2
+
+#endif // BOOST_ATOMIC_DETAIL_CAPS_ARCH_GCC_AARCH32_HPP_INCLUDED_