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From e4bde20f2eec0a51be14533871d2123bd2ab9cf3 Mon Sep 17 00:00:00 2001
From: Andrey Semashev <andrey.semashev@gmail.com>
Date: Fri, 28 Feb 2014 12:43:11 +0400
Subject: [PATCH] More compilation fixes for the case when 128-bit integers are
not supported.
---
boost/atomic/detail/gcc-atomic.hpp | 17 ++++++++++++-----
1 file changed, 12 insertions(+), 5 deletions(-)
diff --git a/boost/atomic/detail/gcc-atomic.hpp b/boost/atomic/detail/gcc-atomic.hpp
index a130590..4af99a1 100644
--- a/boost/atomic/detail/gcc-atomic.hpp
+++ b/boost/atomic/detail/gcc-atomic.hpp
@@ -958,14 +958,16 @@ class base_atomic<T, void, 16, Sign>
public:
BOOST_DEFAULTED_FUNCTION(base_atomic(void), {})
- explicit base_atomic(value_type const& v) BOOST_NOEXCEPT : v_(0)
+ explicit base_atomic(value_type const& v) BOOST_NOEXCEPT
{
+ memset(&v_, 0, sizeof(v_));
memcpy(&v_, &v, sizeof(value_type));
}
void store(value_type const& v, memory_order order = memory_order_seq_cst) volatile BOOST_NOEXCEPT
{
- storage_type tmp = 0;
+ storage_type tmp;
+ memset(&tmp, 0, sizeof(tmp));
memcpy(&tmp, &v, sizeof(value_type));
__atomic_store_n(&v_, tmp, atomics::detail::convert_memory_order_to_gcc(order));
}
@@ -980,7 +982,8 @@ class base_atomic<T, void, 16, Sign>
value_type exchange(value_type const& v, memory_order order = memory_order_seq_cst) volatile BOOST_NOEXCEPT
{
- storage_type tmp = 0;
+ storage_type tmp;
+ memset(&tmp, 0, sizeof(tmp));
memcpy(&tmp, &v, sizeof(value_type));
tmp = __atomic_exchange_n(&v_, tmp, atomics::detail::convert_memory_order_to_gcc(order));
value_type res;
@@ -994,7 +997,9 @@ class base_atomic<T, void, 16, Sign>
memory_order success_order,
memory_order failure_order) volatile BOOST_NOEXCEPT
{
- storage_type expected_s = 0, desired_s = 0;
+ storage_type expected_s, desired_s;
+ memset(&expected_s, 0, sizeof(expected_s));
+ memset(&desired_s, 0, sizeof(desired_s));
memcpy(&expected_s, &expected, sizeof(value_type));
memcpy(&desired_s, &desired, sizeof(value_type));
const bool success = __atomic_compare_exchange_n(&v_, &expected_s, desired_s, false,
@@ -1010,7 +1015,9 @@ class base_atomic<T, void, 16, Sign>
memory_order success_order,
memory_order failure_order) volatile BOOST_NOEXCEPT
{
- storage_type expected_s = 0, desired_s = 0;
+ storage_type expected_s, desired_s;
+ memset(&expected_s, 0, sizeof(expected_s));
+ memset(&desired_s, 0, sizeof(desired_s));
memcpy(&expected_s, &expected, sizeof(value_type));
memcpy(&desired_s, &desired, sizeof(value_type));
const bool success = __atomic_compare_exchange_n(&v_, &expected_s, desired_s, true,
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