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authorDongHun Kwak <dh0128.kwak@samsung.com>2019-12-05 15:12:59 +0900
committerDongHun Kwak <dh0128.kwak@samsung.com>2019-12-05 15:12:59 +0900
commitb8cf34c691623e4ec329053cbbf68522a855882d (patch)
tree34da08632a99677f6b79ecb65e5b655a5b69a67f /boost/atomic/detail/ops_msvc_arm.hpp
parent3fdc3e5ee96dca5b11d1694975a65200787eab86 (diff)
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Imported Upstream version 1.67.0upstream/1.67.0
Diffstat (limited to 'boost/atomic/detail/ops_msvc_arm.hpp')
-rw-r--r--boost/atomic/detail/ops_msvc_arm.hpp48
1 files changed, 19 insertions, 29 deletions
diff --git a/boost/atomic/detail/ops_msvc_arm.hpp b/boost/atomic/detail/ops_msvc_arm.hpp
index a0cfe81afc..608c6fddf8 100644
--- a/boost/atomic/detail/ops_msvc_arm.hpp
+++ b/boost/atomic/detail/ops_msvc_arm.hpp
@@ -54,6 +54,7 @@ namespace detail {
struct msvc_arm_operations_base
{
+ static BOOST_CONSTEXPR_OR_CONST bool full_cas_based = false;
static BOOST_CONSTEXPR_OR_CONST bool is_always_lock_free = true;
static BOOST_FORCEINLINE void hardware_full_fence() BOOST_NOEXCEPT
@@ -65,7 +66,7 @@ struct msvc_arm_operations_base
{
BOOST_ATOMIC_DETAIL_COMPILER_BARRIER();
- if ((order & memory_order_release) != 0)
+ if ((static_cast< unsigned int >(order) & static_cast< unsigned int >(memory_order_release)) != 0u)
hardware_full_fence();
BOOST_ATOMIC_DETAIL_COMPILER_BARRIER();
@@ -85,7 +86,7 @@ struct msvc_arm_operations_base
{
BOOST_ATOMIC_DETAIL_COMPILER_BARRIER();
- if ((order & (memory_order_consume | memory_order_acquire)) != 0)
+ if ((static_cast< unsigned int >(order) & (static_cast< unsigned int >(memory_order_consume) | static_cast< unsigned int >(memory_order_acquire))) != 0u)
hardware_full_fence();
BOOST_ATOMIC_DETAIL_COMPILER_BARRIER();
@@ -94,15 +95,20 @@ struct msvc_arm_operations_base
static BOOST_FORCEINLINE BOOST_CONSTEXPR memory_order cas_common_order(memory_order success_order, memory_order failure_order) BOOST_NOEXCEPT
{
// Combine order flags together and promote memory_order_consume to memory_order_acquire
- return static_cast< memory_order >(((failure_order | success_order) & ~memory_order_consume) | (((failure_order | success_order) & memory_order_consume) << 1u));
+ return static_cast< memory_order >(((static_cast< unsigned int >(failure_order) | static_cast< unsigned int >(success_order)) & ~static_cast< unsigned int >(memory_order_consume))
+ | (((static_cast< unsigned int >(failure_order) | static_cast< unsigned int >(success_order)) & static_cast< unsigned int >(memory_order_consume)) << 1u));
}
};
-template< typename T, typename Derived >
+template< std::size_t Size, bool Signed, typename Derived >
struct msvc_arm_operations :
public msvc_arm_operations_base
{
- typedef T storage_type;
+ typedef typename make_storage_type< Size >::type storage_type;
+ typedef typename make_storage_type< Size >::aligned aligned_storage_type;
+
+ static BOOST_CONSTEXPR_OR_CONST std::size_t storage_size = Size;
+ static BOOST_CONSTEXPR_OR_CONST bool is_signed = Signed;
static BOOST_FORCEINLINE storage_type fetch_sub(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT
{
@@ -129,14 +135,10 @@ struct msvc_arm_operations :
template< bool Signed >
struct operations< 1u, Signed > :
- public msvc_arm_operations< typename make_storage_type< 1u, Signed >::type, operations< 1u, Signed > >
+ public msvc_arm_operations< 1u, Signed, operations< 1u, Signed > >
{
- typedef msvc_arm_operations< typename make_storage_type< 1u, Signed >::type, operations< 1u, Signed > > base_type;
+ typedef msvc_arm_operations< 1u, Signed, operations< 1u, Signed > > base_type;
typedef typename base_type::storage_type storage_type;
- typedef typename make_storage_type< 1u, Signed >::aligned aligned_storage_type;
-
- static BOOST_CONSTEXPR_OR_CONST std::size_t storage_size = 1u;
- static BOOST_CONSTEXPR_OR_CONST bool is_signed = Signed;
static BOOST_FORCEINLINE void store(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT
{
@@ -298,14 +300,10 @@ struct operations< 1u, Signed > :
template< bool Signed >
struct operations< 2u, Signed > :
- public msvc_arm_operations< typename make_storage_type< 2u, Signed >::type, operations< 2u, Signed > >
+ public msvc_arm_operations< 2u, Signed, operations< 2u, Signed > >
{
- typedef msvc_arm_operations< typename make_storage_type< 2u, Signed >::type, operations< 2u, Signed > > base_type;
+ typedef msvc_arm_operations< 2u, Signed, operations< 2u, Signed > > base_type;
typedef typename base_type::storage_type storage_type;
- typedef typename make_storage_type< 2u, Signed >::aligned aligned_storage_type;
-
- static BOOST_CONSTEXPR_OR_CONST std::size_t storage_size = 2u;
- static BOOST_CONSTEXPR_OR_CONST bool is_signed = Signed;
static BOOST_FORCEINLINE void store(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT
{
@@ -467,14 +465,10 @@ struct operations< 2u, Signed > :
template< bool Signed >
struct operations< 4u, Signed > :
- public msvc_arm_operations< typename make_storage_type< 4u, Signed >::type, operations< 4u, Signed > >
+ public msvc_arm_operations< 4u, Signed, operations< 4u, Signed > >
{
- typedef msvc_arm_operations< typename make_storage_type< 4u, Signed >::type, operations< 4u, Signed > > base_type;
+ typedef msvc_arm_operations< 4u, Signed, operations< 4u, Signed > > base_type;
typedef typename base_type::storage_type storage_type;
- typedef typename make_storage_type< 4u, Signed >::aligned aligned_storage_type;
-
- static BOOST_CONSTEXPR_OR_CONST std::size_t storage_size = 4u;
- static BOOST_CONSTEXPR_OR_CONST bool is_signed = Signed;
static BOOST_FORCEINLINE void store(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT
{
@@ -636,14 +630,10 @@ struct operations< 4u, Signed > :
template< bool Signed >
struct operations< 8u, Signed > :
- public msvc_arm_operations< typename make_storage_type< 8u, Signed >::type, operations< 8u, Signed > >
+ public msvc_arm_operations< 8u, Signed, operations< 8u, Signed > >
{
- typedef msvc_arm_operations< typename make_storage_type< 8u, Signed >::type, operations< 8u, Signed > > base_type;
+ typedef msvc_arm_operations< 8u, Signed, operations< 8u, Signed > > base_type;
typedef typename base_type::storage_type storage_type;
- typedef typename make_storage_type< 8u, Signed >::aligned aligned_storage_type;
-
- static BOOST_CONSTEXPR_OR_CONST std::size_t storage_size = 8u;
- static BOOST_CONSTEXPR_OR_CONST bool is_signed = Signed;
static BOOST_FORCEINLINE void store(storage_type volatile& storage, storage_type v, memory_order order) BOOST_NOEXCEPT
{