Imported QtWebKit TP3 (git b57bc6801f1876c3220d5a4bfea33d620d477443)

Change-Id: I3b1d8a2808782c9f34d50240000e20cb38d3680f
Reviewed-by: Konstantin Tokarev <annulen@yandex.ru>

1 files changed, 95 insertions, 0 deletions

diff --git a/Source/JavaScriptCore/b3/B3StackmapValue.cpp b/Source/JavaScriptCore/b3/B3StackmapValue.cpp
new file mode 100644
index 000000000..b822ea9bf
--- /dev/null
+++ b/Source/JavaScriptCore/b3/B3StackmapValue.cpp
@@ -0,0 +1,95 @@
+/*
+ * 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. 
+ */
+
+#include "config.h"
+#include "B3StackmapValue.h"
+
+#if ENABLE(B3_JIT)
+
+namespace JSC { namespace B3 {
+
+StackmapValue::~StackmapValue()
+{
+}
+
+void StackmapValue::append(Value* value, const ValueRep& rep)
+{
+    if (rep == ValueRep::ColdAny) {
+        children().append(value);
+        return;
+    }
+
+    while (m_reps.size() < numChildren())
+        m_reps.append(ValueRep::ColdAny);
+
+    children().append(value);
+    m_reps.append(rep);
+}
+
+void StackmapValue::appendSomeRegister(Value* value)
+{
+    append(ConstrainedValue(value, ValueRep::SomeRegister));
+}
+
+void StackmapValue::setConstrainedChild(unsigned index, const ConstrainedValue& constrainedValue)
+{
+    child(index) = constrainedValue.value();
+    setConstraint(index, constrainedValue.rep());
+}
+
+void StackmapValue::setConstraint(unsigned index, const ValueRep& rep)
+{
+    if (rep == ValueRep(ValueRep::ColdAny))
+        return;
+
+    while (m_reps.size() <= index)
+        m_reps.append(ValueRep::ColdAny);
+
+    m_reps[index] = rep;
+}
+
+void StackmapValue::dumpChildren(CommaPrinter& comma, PrintStream& out) const
+{
+    for (ConstrainedValue value : constrainedChildren())
+        out.print(comma, value);
+}
+
+void StackmapValue::dumpMeta(CommaPrinter& comma, PrintStream& out) const
+{
+    out.print(
+        comma, "generator = ", RawPointer(m_generator.get()), ", earlyClobbered = ", m_earlyClobbered,
+        ", lateClobbered = ", m_lateClobbered, ", usedRegisters = ", m_usedRegisters);
+}
+
+StackmapValue::StackmapValue(CheckedOpcodeTag, Opcode opcode, Type type, Origin origin)
+    : Value(CheckedOpcode, opcode, type, origin)
+{
+    ASSERT(accepts(opcode));
+}
+
+} } // namespace JSC::B3
+
+#endif // ENABLE(B3_JIT)
+