Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/runtime/atomic.cpp
src/share/vm/runtime/atomic.cpp
- changeset 2964
- 2a241e764894
- parent 2314
- f95d63e2154a
- child 2993
- 7d9e451f5416
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| 2962:ae5b2f1dcf12 | 2964:2a241e764894 |
|---|---|
| 81 volatile unsigned int* dest, unsigned int compare_value) { | 81 volatile unsigned int* dest, unsigned int compare_value) { |
| 82 assert(sizeof(unsigned int) == sizeof(jint), "more work to do"); | 82 assert(sizeof(unsigned int) == sizeof(jint), "more work to do"); |
| 83 return (unsigned int)Atomic::cmpxchg((jint)exchange_value, (volatile jint*)dest, | 83 return (unsigned int)Atomic::cmpxchg((jint)exchange_value, (volatile jint*)dest, |
| 84 (jint)compare_value); | 84 (jint)compare_value); |
| 85 } | 85 } |
| 86 | |
| 87 jlong Atomic::add(jlong add_value, volatile jlong* dest) { | |
| 88 jlong old = load(dest); | |
| 89 jlong new_value = old + add_value; | |
| 90 while (old != cmpxchg(new_value, dest, old)) { | |
| 91 old = load(dest); | |
| 92 new_value = old + add_value; | |
| 93 } | |
| 94 return old; | |
| 95 } |
