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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 #ifndef RUNTIME_VM_ATOMIC_LINUX_H_ | 5 #ifndef RUNTIME_VM_ATOMIC_LINUX_H_ |
6 #define RUNTIME_VM_ATOMIC_LINUX_H_ | 6 #define RUNTIME_VM_ATOMIC_LINUX_H_ |
7 | 7 |
8 #if !defined RUNTIME_VM_ATOMIC_H_ | 8 #if !defined RUNTIME_VM_ATOMIC_H_ |
9 #error Do not include atomic_linux.h directly. Use atomic.h instead. | 9 #error Do not include atomic_linux.h directly. Use atomic.h instead. |
10 #endif | 10 #endif |
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25 return __sync_fetch_and_add(p, 1); | 25 return __sync_fetch_and_add(p, 1); |
26 } | 26 } |
27 | 27 |
28 | 28 |
29 inline void AtomicOperations::IncrementBy(intptr_t* p, intptr_t value) { | 29 inline void AtomicOperations::IncrementBy(intptr_t* p, intptr_t value) { |
30 __sync_fetch_and_add(p, value); | 30 __sync_fetch_and_add(p, value); |
31 } | 31 } |
32 | 32 |
33 | 33 |
34 inline void AtomicOperations::IncrementInt64By(int64_t* p, int64_t value) { | 34 inline void AtomicOperations::IncrementInt64By(int64_t* p, int64_t value) { |
35 #if defined(TARGET_ARCH_MIPS) | |
36 // No double-word atomics on MIPS32. | |
37 *p += value; | |
38 #else | |
39 __sync_fetch_and_add(p, value); | 35 __sync_fetch_and_add(p, value); |
40 #endif | |
41 } | 36 } |
42 | 37 |
43 | 38 |
44 inline uintptr_t AtomicOperations::FetchAndDecrement(uintptr_t* p) { | 39 inline uintptr_t AtomicOperations::FetchAndDecrement(uintptr_t* p) { |
45 return __sync_fetch_and_sub(p, 1); | 40 return __sync_fetch_and_sub(p, 1); |
46 } | 41 } |
47 | 42 |
48 | 43 |
49 inline intptr_t AtomicOperations::FetchAndDecrement(intptr_t* p) { | 44 inline intptr_t AtomicOperations::FetchAndDecrement(intptr_t* p) { |
50 return __sync_fetch_and_sub(p, 1); | 45 return __sync_fetch_and_sub(p, 1); |
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67 inline uint32_t AtomicOperations::CompareAndSwapUint32(uint32_t* ptr, | 62 inline uint32_t AtomicOperations::CompareAndSwapUint32(uint32_t* ptr, |
68 uint32_t old_value, | 63 uint32_t old_value, |
69 uint32_t new_value) { | 64 uint32_t new_value) { |
70 return __sync_val_compare_and_swap(ptr, old_value, new_value); | 65 return __sync_val_compare_and_swap(ptr, old_value, new_value); |
71 } | 66 } |
72 #endif // !defined(USING_SIMULATOR_ATOMICS) | 67 #endif // !defined(USING_SIMULATOR_ATOMICS) |
73 | 68 |
74 } // namespace dart | 69 } // namespace dart |
75 | 70 |
76 #endif // RUNTIME_VM_ATOMIC_LINUX_H_ | 71 #endif // RUNTIME_VM_ATOMIC_LINUX_H_ |
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