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authorSimon Hausmann <simon.hausmann@nokia.com>2012-03-12 14:11:15 +0100
committerSimon Hausmann <simon.hausmann@nokia.com>2012-03-12 14:11:15 +0100
commitdd91e772430dc294e3bf478c119ef8d43c0a3358 (patch)
tree6f33ce4d5872a5691e0291eb45bf6ab373a5f567 /Source/JavaScriptCore/dfg/DFGArithNodeFlagsInferencePhase.cpp
parentad0d549d4cc13433f77c1ac8f0ab379c83d93f28 (diff)
downloadqtwebkit-dd91e772430dc294e3bf478c119ef8d43c0a3358.tar.gz
Imported WebKit commit 3db4eb1820ac8fb03065d7ea73a4d9db1e8fea1a (http://svn.webkit.org/repository/webkit/trunk@110422)
This includes build fixes for the latest qtbase/qtdeclarative as well as the final QML2 API.
Diffstat (limited to 'Source/JavaScriptCore/dfg/DFGArithNodeFlagsInferencePhase.cpp')
-rw-r--r--Source/JavaScriptCore/dfg/DFGArithNodeFlagsInferencePhase.cpp17
1 files changed, 11 insertions, 6 deletions
diff --git a/Source/JavaScriptCore/dfg/DFGArithNodeFlagsInferencePhase.cpp b/Source/JavaScriptCore/dfg/DFGArithNodeFlagsInferencePhase.cpp
index f55533a61..9a49364dd 100644
--- a/Source/JavaScriptCore/dfg/DFGArithNodeFlagsInferencePhase.cpp
+++ b/Source/JavaScriptCore/dfg/DFGArithNodeFlagsInferencePhase.cpp
@@ -80,11 +80,8 @@ private:
if (!node.shouldGenerate())
return;
- NodeType op = node.op;
- ArithNodeFlags flags = 0;
-
- if (node.hasArithNodeFlags())
- flags = node.rawArithNodeFlags();
+ NodeType op = static_cast<NodeType>(node.op);
+ NodeFlags flags = node.flags;
#if DFG_ENABLE(DEBUG_PROPAGATION_VERBOSE)
dataLog(" %s @%u: %s ", Graph::opName(op), m_compileIndex, arithNodeFlagsAsString(flags));
@@ -131,6 +128,11 @@ private:
break;
}
+ case ArithNegate: {
+ changed |= m_graph[node.child1()].mergeArithNodeFlags(flags);
+ break;
+ }
+
case ArithMul:
case ArithDiv: {
// As soon as a multiply happens, we can easily end up in the part
@@ -173,7 +175,7 @@ private:
default:
flags |= NodeUsedAsNumber | NodeNeedsNegZero;
- if (op & NodeHasVarArgs) {
+ if (node.flags & NodeHasVarArgs) {
for (unsigned childIdx = node.firstChild(); childIdx < node.firstChild() + node.numChildren(); childIdx++)
changed |= m_graph[m_graph.m_varArgChildren[childIdx]].mergeArithNodeFlags(flags);
} else {
@@ -217,6 +219,9 @@ private:
NodeIndex m_compileIndex;
bool m_changed;
+#if DFG_ENABLE(DEBUG_PROPAGATION_VERBOSE)
+ unsigned m_count;
+#endif
};
void performArithNodeFlagsInference(Graph& graph)