29 |
29 |
30 template<size_t byte_size> |
30 template<size_t byte_size> |
31 struct Atomic::PlatformAdd |
31 struct Atomic::PlatformAdd |
32 : Atomic::FetchAndAdd<Atomic::PlatformAdd<byte_size> > |
32 : Atomic::FetchAndAdd<Atomic::PlatformAdd<byte_size> > |
33 { |
33 { |
34 template<typename I, typename D> |
34 template<typename D, typename I> |
35 D fetch_and_add(I add_value, D volatile* dest, atomic_memory_order /* order */) const; |
35 D fetch_and_add(D volatile* dest, I add_value, atomic_memory_order /* order */) const; |
36 }; |
36 }; |
37 |
37 |
38 template<> |
38 template<> |
39 template<typename I, typename D> |
39 template<typename D, typename I> |
40 inline D Atomic::PlatformAdd<4>::fetch_and_add(I add_value, D volatile* dest, |
40 inline D Atomic::PlatformAdd<4>::fetch_and_add(D volatile* dest, I add_value, |
41 atomic_memory_order /* order */) const { |
41 atomic_memory_order /* order */) const { |
42 STATIC_ASSERT(4 == sizeof(I)); |
42 STATIC_ASSERT(4 == sizeof(I)); |
43 STATIC_ASSERT(4 == sizeof(D)); |
43 STATIC_ASSERT(4 == sizeof(D)); |
44 D old_value; |
44 D old_value; |
45 __asm__ volatile ( "lock xaddl %0,(%2)" |
45 __asm__ volatile ( "lock xaddl %0,(%2)" |
90 return exchange_value; |
90 return exchange_value; |
91 } |
91 } |
92 |
92 |
93 #ifdef AMD64 |
93 #ifdef AMD64 |
94 template<> |
94 template<> |
95 template<typename I, typename D> |
95 template<typename D, typename I> |
96 inline D Atomic::PlatformAdd<8>::fetch_and_add(I add_value, D volatile* dest, |
96 inline D Atomic::PlatformAdd<8>::fetch_and_add(D volatile* dest, I add_value, |
97 atomic_memory_order /* order */) const { |
97 atomic_memory_order /* order */) const { |
98 STATIC_ASSERT(8 == sizeof(I)); |
98 STATIC_ASSERT(8 == sizeof(I)); |
99 STATIC_ASSERT(8 == sizeof(D)); |
99 STATIC_ASSERT(8 == sizeof(D)); |
100 D old_value; |
100 D old_value; |
101 __asm__ __volatile__ ( "lock xaddq %0,(%2)" |
101 __asm__ __volatile__ ( "lock xaddq %0,(%2)" |