1 files changed, 0 insertions, 140 deletions
diff --git a/Source/JavaScriptCore/jit/JITRightShiftGenerator.cpp b/Source/JavaScriptCore/jit/JITRightShiftGenerator.cpp
deleted file mode 100644
index 4e75fafc0..000000000
--- a/Source/JavaScriptCore/jit/JITRightShiftGenerator.cpp
+++ /dev/null
@@ -1,140 +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 "JITRightShiftGenerator.h"
-
-#if ENABLE(JIT)
-
-namespace JSC {
-
-void JITRightShiftGenerator::generateFastPath(CCallHelpers& jit)
-{
-    ASSERT(m_scratchGPR != InvalidGPRReg);
-    ASSERT(m_scratchGPR != m_left.payloadGPR());
-    ASSERT(m_scratchGPR != m_right.payloadGPR());
-#if USE(JSVALUE32_64)
-    ASSERT(m_scratchGPR != m_left.tagGPR());
-    ASSERT(m_scratchGPR != m_right.tagGPR());
-    ASSERT(m_scratchFPR != InvalidFPRReg);
-#endif
-
-    ASSERT(!m_leftOperand.isConstInt32() || !m_rightOperand.isConstInt32());
-
-    m_didEmitFastPath = true;
-
-    if (m_rightOperand.isConstInt32()) {
-        // Try to do (intVar >> intConstant).
-        CCallHelpers::Jump notInt = jit.branchIfNotInt32(m_left);
-
-        jit.moveValueRegs(m_left, m_result);
-        int32_t shiftAmount = m_rightOperand.asConstInt32() & 0x1f;
-        if (shiftAmount) {
-            if (m_shiftType == SignedShift)
-                jit.rshift32(CCallHelpers::Imm32(shiftAmount), m_result.payloadGPR());
-            else
-                jit.urshift32(CCallHelpers::Imm32(shiftAmount), m_result.payloadGPR());
-#if USE(JSVALUE64)
-            jit.or64(GPRInfo::tagTypeNumberRegister, m_result.payloadGPR());
-#endif
-        }
-
-        if (jit.supportsFloatingPointTruncate()) {
-            m_endJumpList.append(jit.jump()); // Terminate the above case before emitting more code.
-
-            // Try to do (doubleVar >> intConstant).
-            notInt.link(&jit);
-
-            m_slowPathJumpList.append(jit.branchIfNotNumber(m_left, m_scratchGPR));
-
-            jit.unboxDoubleNonDestructive(m_left, m_leftFPR, m_scratchGPR, m_scratchFPR);
-            m_slowPathJumpList.append(jit.branchTruncateDoubleToInt32(m_leftFPR, m_scratchGPR));
-
-            if (shiftAmount) {
-                if (m_shiftType == SignedShift)
-                    jit.rshift32(CCallHelpers::Imm32(shiftAmount), m_scratchGPR);
-                else
-                    jit.urshift32(CCallHelpers::Imm32(shiftAmount), m_scratchGPR);
-            }
-            jit.boxInt32(m_scratchGPR, m_result);
-
-        } else
-            m_slowPathJumpList.append(notInt);
-
-    } else {
-        // Try to do (intConstant >> intVar) or (intVar >> intVar).
-        m_slowPathJumpList.append(jit.branchIfNotInt32(m_right));
-
-        GPRReg rightOperandGPR = m_right.payloadGPR();
-        if (rightOperandGPR == m_result.payloadGPR())
-            rightOperandGPR = m_scratchGPR;
-
-        CCallHelpers::Jump leftNotInt;
-        if (m_leftOperand.isConstInt32()) {
-            jit.move(m_right.payloadGPR(), rightOperandGPR);
-#if USE(JSVALUE32_64)
-            jit.move(m_right.tagGPR(), m_result.tagGPR());
-#endif
-            jit.move(CCallHelpers::Imm32(m_leftOperand.asConstInt32()), m_result.payloadGPR());
-        } else {
-            leftNotInt = jit.branchIfNotInt32(m_left);
-            jit.move(m_right.payloadGPR(), rightOperandGPR);
-            jit.moveValueRegs(m_left, m_result);
-        }
-
-        if (m_shiftType == SignedShift)
-            jit.rshift32(rightOperandGPR, m_result.payloadGPR());
-        else
-            jit.urshift32(rightOperandGPR, m_result.payloadGPR());
-#if USE(JSVALUE64)
-        jit.or64(GPRInfo::tagTypeNumberRegister, m_result.payloadGPR());
-#endif
-        if (m_leftOperand.isConstInt32())
-            return;
-
-        if (jit.supportsFloatingPointTruncate()) {
-            m_endJumpList.append(jit.jump()); // Terminate the above case before emitting more code.
-
-            // Try to do (doubleVar >> intVar).
-            leftNotInt.link(&jit);
-
-            m_slowPathJumpList.append(jit.branchIfNotNumber(m_left, m_scratchGPR));
-            jit.unboxDoubleNonDestructive(m_left, m_leftFPR, m_scratchGPR, m_scratchFPR);
-            m_slowPathJumpList.append(jit.branchTruncateDoubleToInt32(m_leftFPR, m_scratchGPR));
-
-            if (m_shiftType == SignedShift)
-                jit.rshift32(m_right.payloadGPR(), m_scratchGPR);
-            else
-                jit.urshift32(m_right.payloadGPR(), m_scratchGPR);
-            jit.boxInt32(m_scratchGPR, m_result);
-
-        } else
-            m_slowPathJumpList.append(leftNotInt);
-    }
-}
-
-} // namespace JSC
-
-#endif // ENABLE(JIT)