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comparison src/share/vm/runtime/orderAccess.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 98cb887364d3
children bd02caa94611
comparison
equal deleted inserted replaced
668:90a66aa50514 671:d0994e5bebce
298 static void release_store_ptr_fence(volatile void* p, void* v); 298 static void release_store_ptr_fence(volatile void* p, void* v);
299 299
300 // In order to force a memory access, implementations may 300 // In order to force a memory access, implementations may
301 // need a volatile externally visible dummy variable. 301 // need a volatile externally visible dummy variable.
302 static volatile intptr_t dummy; 302 static volatile intptr_t dummy;
303
304 private:
305 // This is a helper that invokes the StubRoutines::fence_entry()
306 // routine if it exists, It should only be used by platforms that
307 // don't another way to do the inline eassembly.
308 static void StubRoutines_fence();
303 }; 309 };