JavaScriptCore-7600.1.4.9.tar.gz

[apple/javascriptcore.git] / ftl / FTLValueFormat.h

diff --git a/ftl/FTLValueFormat.h b/ftl/FTLValueFormat.h
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+/*
+ * Copyright (C) 2013 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 FTLValueFormat_h
+#define FTLValueFormat_h
+
+#if ENABLE(FTL_JIT)
+
+#include "GPRInfo.h"
+#include <wtf/PrintStream.h>
+
+namespace JSC {
+
+class AssemblyHelpers;
+
+namespace FTL {
+
+// Note that this is awkwardly similar to DataFormat in other parts of JSC, except that
+// unlike DataFormat and like ValueRecovery, it distinguishes between UInt32 and Int32.
+
+enum ValueFormat {
+    InvalidValueFormat,
+    ValueFormatInt32,
+    ValueFormatInt52,
+    ValueFormatStrictInt52,
+    ValueFormatBoolean,
+    ValueFormatJSValue,
+    ValueFormatDouble
+};
+
+void reboxAccordingToFormat(
+    ValueFormat, AssemblyHelpers&, GPRReg value, GPRReg scratch1, GPRReg scratch2);
+
+} } // namespace JSC::FTL
+
+namespace WTF {
+
+void printInternal(PrintStream&, JSC::FTL::ValueFormat);
+
+} // namespace WTF
+
+#endif // ENABLE(FTL_JIT)
+
+#endif // FTLValueFormat_h
+