整理

include/boost/atomic/detail/ops_gcc_aarch32_common.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 Andrey Semashev
+ */
+/*!
+ * \file   atomic/detail/ops_gcc_aarch32_common.hpp
+ *
+ * This header contains basic utilities for gcc AArch32 backend.
+ */
+
+#ifndef BOOST_ATOMIC_DETAIL_OPS_GCC_AARCH32_COMMON_HPP_INCLUDED_
+#define BOOST_ATOMIC_DETAIL_OPS_GCC_AARCH32_COMMON_HPP_INCLUDED_
+
+#include <boost/atomic/detail/config.hpp>
+#include <boost/atomic/detail/capabilities.hpp>
+
+#ifdef BOOST_HAS_PRAGMA_ONCE
+#pragma once
+#endif
+
+#define BOOST_ATOMIC_DETAIL_AARCH32_MO_SWITCH(mo)\
+    switch (mo)\
+    {\
+    case memory_order_relaxed:\
+        BOOST_ATOMIC_DETAIL_AARCH32_MO_INSN("r", "r")\
+        break;\
+    \
+    case memory_order_consume:\
+    case memory_order_acquire:\
+        BOOST_ATOMIC_DETAIL_AARCH32_MO_INSN("a", "r")\
+        break;\
+    \
+    case memory_order_release:\
+        BOOST_ATOMIC_DETAIL_AARCH32_MO_INSN("r", "l")\
+        break;\
+    \
+    default:\
+        BOOST_ATOMIC_DETAIL_AARCH32_MO_INSN("a", "l")\
+        break;\
+    }
+
+#if defined(BOOST_ATOMIC_DETAIL_AARCH32_LITTLE_ENDIAN)
+#define BOOST_ATOMIC_DETAIL_AARCH32_ASM_ARG_LO(arg) "%" BOOST_STRINGIZE(arg)
+#define BOOST_ATOMIC_DETAIL_AARCH32_ASM_ARG_HI(arg) "%H" BOOST_STRINGIZE(arg)
+#else
+#define BOOST_ATOMIC_DETAIL_AARCH32_ASM_ARG_LO(arg) "%H" BOOST_STRINGIZE(arg)
+#define BOOST_ATOMIC_DETAIL_AARCH32_ASM_ARG_HI(arg) "%" BOOST_STRINGIZE(arg)
+#endif
+
+#endif // BOOST_ATOMIC_DETAIL_OPS_GCC_AARCH32_COMMON_HPP_INCLUDED_