69 lines
2.7 KiB
Diff
69 lines
2.7 KiB
Diff
From e4bde20f2eec0a51be14533871d2123bd2ab9cf3 Mon Sep 17 00:00:00 2001
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From: Andrey Semashev <andrey.semashev@gmail.com>
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Date: Fri, 28 Feb 2014 12:43:11 +0400
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Subject: [PATCH] More compilation fixes for the case when 128-bit integers are
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not supported.
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---
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include/boost/atomic/detail/gcc-atomic.hpp | 17 ++++++++++++-----
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1 file changed, 12 insertions(+), 5 deletions(-)
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diff --git a/include/boost/atomic/detail/gcc-atomic.hpp b/include/boost/atomic/detail/gcc-atomic.hpp
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index a130590..4af99a1 100644
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--- a/include/boost/atomic/detail/gcc-atomic.hpp
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+++ b/include/boost/atomic/detail/gcc-atomic.hpp
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@@ -958,14 +958,16 @@ protected:
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public:
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BOOST_DEFAULTED_FUNCTION(base_atomic(void), {})
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- explicit base_atomic(value_type const& v) BOOST_NOEXCEPT : v_(0)
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+ explicit base_atomic(value_type const& v) BOOST_NOEXCEPT
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{
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+ memset(&v_, 0, sizeof(v_));
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memcpy(&v_, &v, sizeof(value_type));
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}
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void store(value_type const& v, memory_order order = memory_order_seq_cst) volatile BOOST_NOEXCEPT
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{
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- storage_type tmp = 0;
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+ storage_type tmp;
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+ memset(&tmp, 0, sizeof(tmp));
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memcpy(&tmp, &v, sizeof(value_type));
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__atomic_store_n(&v_, tmp, atomics::detail::convert_memory_order_to_gcc(order));
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}
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@@ -980,7 +982,8 @@ public:
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value_type exchange(value_type const& v, memory_order order = memory_order_seq_cst) volatile BOOST_NOEXCEPT
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{
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- storage_type tmp = 0;
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+ storage_type tmp;
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+ memset(&tmp, 0, sizeof(tmp));
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memcpy(&tmp, &v, sizeof(value_type));
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tmp = __atomic_exchange_n(&v_, tmp, atomics::detail::convert_memory_order_to_gcc(order));
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value_type res;
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@@ -994,7 +997,9 @@ public:
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memory_order success_order,
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memory_order failure_order) volatile BOOST_NOEXCEPT
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{
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- storage_type expected_s = 0, desired_s = 0;
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+ storage_type expected_s, desired_s;
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+ memset(&expected_s, 0, sizeof(expected_s));
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+ memset(&desired_s, 0, sizeof(desired_s));
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memcpy(&expected_s, &expected, sizeof(value_type));
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memcpy(&desired_s, &desired, sizeof(value_type));
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const bool success = __atomic_compare_exchange_n(&v_, &expected_s, desired_s, false,
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@@ -1010,7 +1015,9 @@ public:
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memory_order success_order,
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memory_order failure_order) volatile BOOST_NOEXCEPT
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{
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- storage_type expected_s = 0, desired_s = 0;
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+ storage_type expected_s, desired_s;
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+ memset(&expected_s, 0, sizeof(expected_s));
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+ memset(&desired_s, 0, sizeof(desired_s));
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memcpy(&expected_s, &expected, sizeof(value_type));
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memcpy(&desired_s, &desired, sizeof(value_type));
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const bool success = __atomic_compare_exchange_n(&v_, &expected_s, desired_s, true,
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--
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2.1.0
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