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diff --git a/Source/JavaScriptCore/jit/JITMulGenerator.h b/Source/JavaScriptCore/jit/JITMulGenerator.h
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+++ b/Source/JavaScriptCore/jit/JITMulGenerator.h
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+/*
+ * Copyright (C) 2015 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef JITMulGenerator_h
+#define JITMulGenerator_h
+
+#if ENABLE(JIT)
+
+#include "CCallHelpers.h"
+#include "SnippetOperand.h"
+
+namespace JSC {
+
+class JITMulGenerator {
+public:
+    JITMulGenerator(SnippetOperand leftOperand, SnippetOperand rightOperand,
+        JSValueRegs result, JSValueRegs left, JSValueRegs right,
+        FPRReg leftFPR, FPRReg rightFPR, GPRReg scratchGPR, FPRReg scratchFPR,
+        ResultProfile* resultProfile = nullptr)
+        : m_leftOperand(leftOperand)
+        , m_rightOperand(rightOperand)
+        , m_result(result)
+        , m_left(left)
+        , m_right(right)
+        , m_leftFPR(leftFPR)
+        , m_rightFPR(rightFPR)
+        , m_scratchGPR(scratchGPR)
+        , m_scratchFPR(scratchFPR)
+        , m_resultProfile(resultProfile)
+    {
+        ASSERT(!m_leftOperand.isPositiveConstInt32() || !m_rightOperand.isPositiveConstInt32());
+    }
+
+    void generateFastPath(CCallHelpers&);
+
+    bool didEmitFastPath() const { return m_didEmitFastPath; }
+    CCallHelpers::JumpList& endJumpList() { return m_endJumpList; }
+    CCallHelpers::JumpList& slowPathJumpList() { return m_slowPathJumpList; }
+
+private:
+    SnippetOperand m_leftOperand;
+    SnippetOperand m_rightOperand;
+    JSValueRegs m_result;
+    JSValueRegs m_left;
+    JSValueRegs m_right;
+    FPRReg m_leftFPR;
+    FPRReg m_rightFPR;
+    GPRReg m_scratchGPR;
+    FPRReg m_scratchFPR;
+    ResultProfile* m_resultProfile;
+    bool m_didEmitFastPath { false };
+
+    CCallHelpers::JumpList m_endJumpList;
+    CCallHelpers::JumpList m_slowPathJumpList;
+};
+
+} // namespace JSC
+
+#endif // ENABLE(JIT)
+
+#endif // JITMulGenerator_h