mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-12-29 09:04:17 +00:00
66 lines
2.8 KiB
Diff
66 lines
2.8 KiB
Diff
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,
|