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8029101: PPC64 (part 211): ordering of Independent Reads of Independent Writes

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Reviewed-by: dholmes, kvn
This commit is contained in:
Martin Doerr 2014-01-16 14:25:51 +01:00 • committed by Goetz Lindenmaier
parent 06b9210700
commit 0306737032
8 changed files with 57 additions and 7 deletions
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3
hotspot/src/share/vm/interpreter/bytecodeInterpreter.cpp
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@ -2034,6 +2034,9 @@ run:
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);