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diff src/share/vm/interpreter/bytecodeInterpreter.cpp @ 14452:c6d7e7406136

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8029101: PPC64 (part 211): ordering of Independent Reads of Independent Writes Reviewed-by: dholmes, kvn Contributed-by: martin.doerr@sap.com
author goetz
date Thu, 16 Jan 2014 14:25:51 +0100
parents b4e19a1e459f
children abec000618bf
line wrap: on
line diff
--- a/src/share/vm/interpreter/bytecodeInterpreter.cpp	Tue Jan 07 17:24:59 2014 +0100
+++ b/src/share/vm/interpreter/bytecodeInterpreter.cpp	Thu Jan 16 14:25:51 2014 +0100
@@ -2034,6 +2034,9 @@
           TosState tos_type = cache->flag_state();
           int field_offset = cache->f2_as_index();
           if (cache->is_volatile()) {
+            if (support_IRIW_for_not_multiple_copy_atomic_cpu) {
+              OrderAccess::fence();
+            }
             if (tos_type == atos) {
               VERIFY_OOP(obj->obj_field_acquire(field_offset));
               SET_STACK_OBJECT(obj->obj_field_acquire(field_offset), -1);