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authorLorry Tar Creator <lorry-tar-importer@lorry>2017-06-27 06:07:23 +0000
committerLorry Tar Creator <lorry-tar-importer@lorry>2017-06-27 06:07:23 +0000
commit1bf1084f2b10c3b47fd1a588d85d21ed0eb41d0c (patch)
tree46dcd36c86e7fbc6e5df36deb463b33e9967a6f7 /Source/JavaScriptCore/b3/B3StackmapValue.cpp
parent32761a6cee1d0dee366b885b7b9c777e67885688 (diff)
downloadWebKitGtk-tarball-master.tar.gz
Diffstat (limited to 'Source/JavaScriptCore/b3/B3StackmapValue.cpp')
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diff --git a/Source/JavaScriptCore/b3/B3StackmapValue.cpp b/Source/JavaScriptCore/b3/B3StackmapValue.cpp
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+++ b/Source/JavaScriptCore/b3/B3StackmapValue.cpp
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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.
+ */
+
+#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, Kind kind, Type type, Origin origin)
+ : Value(CheckedOpcode, kind, type, origin)
+{
+ ASSERT(accepts(kind));
+}
+
+} } // namespace JSC::B3
+
+#endif // ENABLE(B3_JIT)
+