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comparison src/os_cpu/solaris_sparc/vm/orderAccess_solaris_sparc.inline.hpp @ 671:d0994e5bebce

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6822204: volatile fences should prefer lock:addl to actual mfence instructions Reviewed-by: kvn, phh
author never
date Thu, 26 Mar 2009 14:31:45 -0700
parents a61af66fc99e
children bd02caa94611
comparison
equal deleted inserted replaced
668:90a66aa50514 671:d0994e5bebce
58 58
59 inline void OrderAccess::release() { 59 inline void OrderAccess::release() {
60 dummy = 0; 60 dummy = 0;
61 } 61 }
62 62
63 #if defined(COMPILER2) || defined(_LP64)
64
65 inline void OrderAccess::fence() { 63 inline void OrderAccess::fence() {
66 _OrderAccess_fence(); 64 _OrderAccess_fence();
67 } 65 }
68
69 #else // defined(COMPILER2) || defined(_LP64)
70
71 inline void OrderAccess::fence() {
72 if (os::is_MP()) {
73 (*os::fence_func)();
74 }
75 }
76
77 #endif // defined(COMPILER2) || defined(_LP64)
78 66
79 #endif // _GNU_SOURCE 67 #endif // _GNU_SOURCE
80 68
81 inline jbyte OrderAccess::load_acquire(volatile jbyte* p) { return *p; } 69 inline jbyte OrderAccess::load_acquire(volatile jbyte* p) { return *p; }
82 inline jshort OrderAccess::load_acquire(volatile jshort* p) { return *p; } 70 inline jshort OrderAccess::load_acquire(volatile jshort* p) { return *p; }