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comparison src/share/vm/c1/c1_LIRGenerator.cpp @ 7425:1e41b0bc58a0

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8004318: JEP-171: Support Unsafe fences intrinsics Summary: Add three memory-ordering intrinsics to the sun.misc.Unsafe class. Reviewed-by: twisti, kvn Contributed-by: Aleksey Shipilev <aleksey.shipilev@oracle.com>
author kvn
date Tue, 18 Dec 2012 17:37:44 -0800
parents 8e47bac5643a
children 989155e2d07a db9981fd3124
comparison
equal deleted inserted replaced
7424:c4bd2eccea46 7425:1e41b0bc58a0
2975 break; 2975 break;
2976 case vmIntrinsics::_compareAndSwapLong: 2976 case vmIntrinsics::_compareAndSwapLong:
2977 do_CompareAndSwap(x, longType); 2977 do_CompareAndSwap(x, longType);
2978 break; 2978 break;
2979 2979
2980 case vmIntrinsics::_loadFence :
2981 if (os::is_MP()) __ membar_acquire();
2982 break;
2983 case vmIntrinsics::_storeFence:
2984 if (os::is_MP()) __ membar_release();
2985 break;
2986 case vmIntrinsics::_fullFence :
2987 if (os::is_MP()) __ membar();
2988 break;
2989
2980 case vmIntrinsics::_Reference_get: 2990 case vmIntrinsics::_Reference_get:
2981 do_Reference_get(x); 2991 do_Reference_get(x);
2982 break; 2992 break;
2983 2993
2984 default: ShouldNotReachHere(); break; 2994 default: ShouldNotReachHere(); break;