Changeset 36751 in webkit for trunk/JavaScriptCore/VM/CodeGenerator.cpp

Timestamp:

Sep 21, 2008, 5:18:14 PM (17 years ago)

Author:

Darin Adler

Message:

2008-09-21 Darin Adler <Darin Adler>

• fix loose end from the "duplicate constant values" patch

• VM/CodeGenerator.cpp: (JSC::CodeGenerator::emitLoad): Add a special case for values the hash table can't handle.

File:

• trunk/JavaScriptCore/VM/CodeGenerator.cpp (modified) (1 diff)

trunk/JavaScriptCore/VM/CodeGenerator.cpp

@@ -733 +733 @@
 RegisterID* CodeGenerator::emitLoad(RegisterID* dst, double number)
 {
+    // FIXME: Our hash tables won't hold infinity, so we make a new JSNumberCell each time.
+    // Later we can do the extra work to handle that like the other cases.
+    if (number == HashTraits<double>::emptyValue() || HashTraits<double>::isDeletedValue(number))
+        return emitLoad(dst, jsNumber(globalExec(), number));
     JSValue*& valueInMap = m_numberMap.add(number, 0).first->second;
     if (!valueInMap)