Mercurial > hg > orthanc
view Resources/Patches/boost-1.55.0-clang-atomic.patch @ 1159:8f9d49192815 db-changes
speeding up db schema
author | Sebastien Jodogne <s.jodogne@gmail.com> |
---|---|
date | Wed, 17 Sep 2014 10:25:41 +0200 |
parents | 44f139b62108 |
children |
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--- boost/atomic/detail/cas128strong.hpp +++ boost/atomic/detail/cas128strong.hpp @@ -196,15 +196,17 @@ 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& value, memory_order order = memory_order_seq_cst) volatile BOOST_NOEXCEPT { - storage_type value_s = 0; + storage_type value_s; + memset(&value_s, 0, sizeof(value_s)); memcpy(&value_s, &value, sizeof(value_type)); platform_fence_before_store(order); platform_store128(value_s, &v_); @@ -247,7 +249,9 @@ 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)); --- boost/atomic/detail/gcc-atomic.hpp +++ 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, --