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authorLorry Tar Creator <lorry-tar-importer@lorry>2016-04-10 09:28:39 +0000
committerLorry Tar Creator <lorry-tar-importer@lorry>2016-04-10 09:28:39 +0000
commit32761a6cee1d0dee366b885b7b9c777e67885688 (patch)
treed6bec92bebfb216f4126356e55518842c2f476a1 /Source/JavaScriptCore/b3/B3LegalizeMemoryOffsets.cpp
parenta4e969f4965059196ca948db781e52f7cfebf19e (diff)
downloadWebKitGtk-tarball-32761a6cee1d0dee366b885b7b9c777e67885688.tar.gz
webkitgtk-2.4.11webkitgtk-2.4.11
Diffstat (limited to 'Source/JavaScriptCore/b3/B3LegalizeMemoryOffsets.cpp')
-rw-r--r--Source/JavaScriptCore/b3/B3LegalizeMemoryOffsets.cpp93
1 files changed, 0 insertions, 93 deletions
diff --git a/Source/JavaScriptCore/b3/B3LegalizeMemoryOffsets.cpp b/Source/JavaScriptCore/b3/B3LegalizeMemoryOffsets.cpp
deleted file mode 100644
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--- a/Source/JavaScriptCore/b3/B3LegalizeMemoryOffsets.cpp
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@@ -1,93 +0,0 @@
-/*
- * 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 "B3LegalizeMemoryOffsets.h"
-
-#if ENABLE(B3_JIT)
-
-#include "AirArg.h"
-#include "B3InsertionSetInlines.h"
-#include "B3MemoryValue.h"
-#include "B3PhaseScope.h"
-#include "B3ProcedureInlines.h"
-#include "B3ValueInlines.h"
-
-namespace JSC { namespace B3 {
-
-namespace {
-
-class LegalizeMemoryOffsets {
-public:
- LegalizeMemoryOffsets(Procedure& proc)
- : m_proc(proc)
- , m_insertionSet(proc)
- {
- }
-
- void run()
- {
- if (!isARM64())
- return;
-
- for (BasicBlock* block : m_proc) {
- for (unsigned index = 0; index < block->size(); ++index) {
- MemoryValue* memoryValue = block->at(index)->as<MemoryValue>();
- if (!memoryValue)
- continue;
-
- int32_t offset = memoryValue->offset();
- Air::Arg::Width width = Air::Arg::widthForBytes(memoryValue->accessByteSize());
- if (!Air::Arg::isValidAddrForm(offset, width)) {
- Value* base = memoryValue->lastChild();
- Value* offsetValue = m_insertionSet.insertIntConstant(index, memoryValue->origin(), pointerType(), offset);
- Value* resolvedAddress = m_proc.add<Value>(Add, memoryValue->origin(), base, offsetValue);
- m_insertionSet.insertValue(index, resolvedAddress);
-
- memoryValue->lastChild() = resolvedAddress;
- memoryValue->setOffset(0);
- }
- }
- m_insertionSet.execute(block);
- }
- }
-
- Procedure& m_proc;
- InsertionSet m_insertionSet;
-};
-
-} // anonymous namespace
-
-void legalizeMemoryOffsets(Procedure& proc)
-{
- PhaseScope phaseScope(proc, "legalizeMemoryOffsets");
- LegalizeMemoryOffsets legalizeMemoryOffsets(proc);
- legalizeMemoryOffsets.run();
-}
-
-} } // namespace JSC::B3
-
-#endif // ENABLE(B3_JIT)
-