2015-05-05 Filip Pizlo <fpizlo@apple.com>
+ PutGlobalVar shouldn't have an unconditional store barrier
+ https://bugs.webkit.org/show_bug.cgi?id=133104
+
+ Reviewed by Benjamin Poulain.
+
+ We don't need a store barrier on PutGlobalVar if the value being stored can be
+ speculated to not be a cell.
+
+ * dfg/DFGFixupPhase.cpp:
+ (JSC::DFG::FixupPhase::fixupNode):
+
+2015-05-05 Filip Pizlo <fpizlo@apple.com>
+
CopiedBlock::reportLiveBytes() should be totally cool with oversize blocks
https://bugs.webkit.org/show_bug.cgi?id=144667
Node* globalObjectNode = m_insertionSet.insertNode(
m_indexInBlock, SpecNone, JSConstant, node->origin,
OpInfo(m_graph.freeze(m_graph.globalObjectFor(node->origin.semantic))));
- // FIXME: This probably shouldn't have an unconditional barrier.
- // https://bugs.webkit.org/show_bug.cgi?id=133104
- Node* barrierNode = m_graph.addNode(
- SpecNone, StoreBarrier, m_currentNode->origin,
- Edge(globalObjectNode, KnownCellUse));
- m_insertionSet.insert(m_indexInBlock, barrierNode);
+ insertStoreBarrier(
+ m_indexInBlock, Edge(globalObjectNode, KnownCellUse), node->child1());
break;
}