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src/share/vm/c1/c1_GraphBuilder.cpp
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rev 9031 : 8138894: C1: Support IRIW on weak memory platforms
Reviewed-by:
@@ -1436,11 +1436,13 @@
call_register_finalizer();
}
bool need_mem_bar = false;
if (method()->name() == ciSymbol::object_initializer_name() &&
- (scope()->wrote_final() || (AlwaysSafeConstructors && scope()->wrote_fields()))) {
+ (scope()->wrote_final() || (AlwaysSafeConstructors && scope()->wrote_fields())
+ || (support_IRIW_for_not_multiple_copy_atomic_cpu && scope()->wrote_volatile())
+ )){
need_mem_bar = true;
}
// Check to see whether we are inlining. If so, Return
// instructions become Gotos to the continuation point.
@@ -1552,10 +1554,13 @@
scope()->set_wrote_final();
}
if (code == Bytecodes::_putfield) {
scope()->set_wrote_fields();
+ if (field->is_volatile()) {
+ scope()->set_wrote_volatile();
+ }
}
const int offset = !needs_patching ? field->offset() : -1;
switch (code) {
case Bytecodes::_getstatic: {
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