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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/jit/JITRightShiftGenerator.h
parenta4e969f4965059196ca948db781e52f7cfebf19e (diff)
downloadWebKitGtk-tarball-32761a6cee1d0dee366b885b7b9c777e67885688.tar.gz
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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.
- */
-
-#ifndef JITRightShiftGenerator_h
-#define JITRightShiftGenerator_h
-
-#if ENABLE(JIT)
-
-#include "JITBitBinaryOpGenerator.h"
-
-namespace JSC {
-
-class JITRightShiftGenerator : public JITBitBinaryOpGenerator {
-public:
- enum ShiftType {
- SignedShift,
- UnsignedShift
- };
-
- JITRightShiftGenerator(const SnippetOperand& leftOperand, const SnippetOperand& rightOperand,
- JSValueRegs result, JSValueRegs left, JSValueRegs right,
- FPRReg leftFPR, GPRReg scratchGPR, FPRReg scratchFPR, ShiftType type = SignedShift)
- : JITBitBinaryOpGenerator(leftOperand, rightOperand, result, left, right, scratchGPR)
- , m_shiftType(type)
- , m_leftFPR(leftFPR)
- , m_scratchFPR(scratchFPR)
- { }
-
- void generateFastPath(CCallHelpers&);
-
-private:
- ShiftType m_shiftType;
- FPRReg m_leftFPR;
- FPRReg m_scratchFPR;
-};
-
-} // namespace JSC
-
-#endif // ENABLE(JIT)
-
-#endif // JITRightShiftGenerator_h