diff options
author | Lorry Tar Creator <lorry-tar-importer@lorry> | 2016-04-10 09:28:39 +0000 |
---|---|---|
committer | Lorry Tar Creator <lorry-tar-importer@lorry> | 2016-04-10 09:28:39 +0000 |
commit | 32761a6cee1d0dee366b885b7b9c777e67885688 (patch) | |
tree | d6bec92bebfb216f4126356e55518842c2f476a1 /Source/JavaScriptCore/b3/B3LegalizeMemoryOffsets.cpp | |
parent | a4e969f4965059196ca948db781e52f7cfebf19e (diff) | |
download | WebKitGtk-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.cpp | 93 |
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 index 8c17ff58e..000000000 --- a/Source/JavaScriptCore/b3/B3LegalizeMemoryOffsets.cpp +++ /dev/null @@ -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) - |