Merge WebKit at r75315: Initial merge by git.

Change-Id: I570314b346ce101c935ed22a626b48c2af266b84

1 files changed, 0 insertions, 356 deletions

diff --git a/JavaScriptCore/jit/JITCall32_64.cpp b/JavaScriptCore/jit/JITCall32_64.cpp
deleted file mode 100644
index daf5d2d..0000000
--- a/JavaScriptCore/jit/JITCall32_64.cpp
+++ /dev/null
@@ -1,356 +0,0 @@
-/*
- * Copyright (C) 2008 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"
-
-#if ENABLE(JIT)
-#if USE(JSVALUE32_64)
-#include "JIT.h"
-
-#include "CodeBlock.h"
-#include "Interpreter.h"
-#include "JITInlineMethods.h"
-#include "JITStubCall.h"
-#include "JSArray.h"
-#include "JSFunction.h"
-#include "ResultType.h"
-#include "SamplingTool.h"
-
-#ifndef NDEBUG
-#include <stdio.h>
-#endif
-
-using namespace std;
-
-namespace JSC {
-
-void JIT::compileOpCallInitializeCallFrame()
-{
-    // regT0 holds callee, regT1 holds argCount
-    store32(regT1, Address(callFrameRegister, RegisterFile::ArgumentCount * static_cast<int>(sizeof(Register))));
-    loadPtr(Address(regT0, OBJECT_OFFSETOF(JSFunction, m_scopeChain) + OBJECT_OFFSETOF(ScopeChain, m_node)), regT3); // scopeChain
-    storePtr(regT0, Address(callFrameRegister, RegisterFile::Callee * static_cast<int>(sizeof(Register)))); // callee
-    storePtr(regT3, Address(callFrameRegister, RegisterFile::ScopeChain * static_cast<int>(sizeof(Register)))); // scopeChain
-}
-
-void JIT::emit_op_call_put_result(Instruction* instruction)
-{
-    int dst = instruction[1].u.operand;
-    emitStore(dst, regT1, regT0);
-}
-
-void JIT::compileOpCallVarargs(Instruction* instruction)
-{
-    int callee = instruction[1].u.operand;
-    int argCountRegister = instruction[2].u.operand;
-    int registerOffset = instruction[3].u.operand;
-
-    emitLoad(callee, regT1, regT0);
-    emitLoadPayload(argCountRegister, regT2); // argCount
-    addPtr(Imm32(registerOffset), regT2, regT3); // registerOffset
-
-    emitJumpSlowCaseIfNotJSCell(callee, regT1);
-    addSlowCase(branchPtr(NotEqual, Address(regT0), ImmPtr(m_globalData->jsFunctionVPtr)));
-
-    // Speculatively roll the callframe, assuming argCount will match the arity.
-    mul32(Imm32(sizeof(Register)), regT3, regT3);
-    addPtr(callFrameRegister, regT3);
-    storePtr(callFrameRegister, Address(regT3, RegisterFile::CallerFrame * static_cast<int>(sizeof(Register))));
-    move(regT3, callFrameRegister);
-
-    move(regT2, regT1); // argCount
-
-    emitNakedCall(m_globalData->jitStubs->ctiVirtualCall());
-
-    sampleCodeBlock(m_codeBlock);
-}
-
-void JIT::compileOpCallVarargsSlowCase(Instruction* instruction, Vector<SlowCaseEntry>::iterator& iter)
-{
-    int callee = instruction[1].u.operand;
-
-    linkSlowCaseIfNotJSCell(iter, callee);
-    linkSlowCase(iter);
-
-    JITStubCall stubCall(this, cti_op_call_NotJSFunction);
-    stubCall.addArgument(regT1, regT0);
-    stubCall.addArgument(regT3);
-    stubCall.addArgument(regT2);
-    stubCall.call();
-
-    sampleCodeBlock(m_codeBlock);
-}
-
-void JIT::emit_op_ret(Instruction* currentInstruction)
-{
-    unsigned dst = currentInstruction[1].u.operand;
-
-    // We could JIT generate the deref, only calling out to C when the refcount hits zero.
-    if (m_codeBlock->needsFullScopeChain()) {
-        Jump activationNotCreated = branch32(Equal, tagFor(m_codeBlock->activationRegister()), Imm32(JSValue::EmptyValueTag));
-        JITStubCall(this, cti_op_ret_scopeChain).call();
-        activationNotCreated.link(this);
-    }
-    emitLoad(dst, regT1, regT0);
-    emitGetFromCallFrameHeaderPtr(RegisterFile::ReturnPC, regT2);
-    emitGetFromCallFrameHeaderPtr(RegisterFile::CallerFrame, callFrameRegister);
-
-    restoreReturnAddressBeforeReturn(regT2);
-    ret();
-}
-
-void JIT::emit_op_ret_object_or_this(Instruction* currentInstruction)
-{
-    unsigned result = currentInstruction[1].u.operand;
-    unsigned thisReg = currentInstruction[2].u.operand;
-
-    // We could JIT generate the deref, only calling out to C when the refcount hits zero.
-    if (m_codeBlock->needsFullScopeChain()) {
-        Jump activationNotCreated = branch32(Equal, tagFor(m_codeBlock->activationRegister()), Imm32(JSValue::EmptyValueTag));
-        JITStubCall(this, cti_op_ret_scopeChain).call();
-        activationNotCreated.link(this);
-    }
-
-    emitLoad(result, regT1, regT0);
-    Jump notJSCell = branch32(NotEqual, regT1, Imm32(JSValue::CellTag));
-    loadPtr(Address(regT0, OBJECT_OFFSETOF(JSCell, m_structure)), regT2);
-    Jump notObject = branch8(NotEqual, Address(regT2, OBJECT_OFFSETOF(Structure, m_typeInfo) + OBJECT_OFFSETOF(TypeInfo, m_type)), Imm32(ObjectType));
-
-    emitGetFromCallFrameHeaderPtr(RegisterFile::ReturnPC, regT2);
-    emitGetFromCallFrameHeaderPtr(RegisterFile::CallerFrame, callFrameRegister);
-
-    restoreReturnAddressBeforeReturn(regT2);
-    ret();
-
-    notJSCell.link(this);
-    notObject.link(this);
-    emitLoad(thisReg, regT1, regT0);
-
-    emitGetFromCallFrameHeaderPtr(RegisterFile::ReturnPC, regT2);
-    emitGetFromCallFrameHeaderPtr(RegisterFile::CallerFrame, callFrameRegister);
-
-    restoreReturnAddressBeforeReturn(regT2);
-    ret();
-}
-
-void JIT::emitSlow_op_call(Instruction* currentInstruction, Vector<SlowCaseEntry>::iterator& iter)
-{
-    compileOpCallSlowCase(currentInstruction, iter, m_callLinkInfoIndex++, op_call);
-}
-
-void JIT::emitSlow_op_call_eval(Instruction* currentInstruction, Vector<SlowCaseEntry>::iterator& iter)
-{
-    compileOpCallSlowCase(currentInstruction, iter, m_callLinkInfoIndex++, op_call_eval);
-}
-
-void JIT::emitSlow_op_call_varargs(Instruction* currentInstruction, Vector<SlowCaseEntry>::iterator& iter)
-{
-    compileOpCallVarargsSlowCase(currentInstruction, iter);
-}
-
-void JIT::emitSlow_op_construct(Instruction* currentInstruction, Vector<SlowCaseEntry>::iterator& iter)
-{
-    compileOpCallSlowCase(currentInstruction, iter, m_callLinkInfoIndex++, op_construct);
-}
-
-void JIT::emit_op_call(Instruction* currentInstruction)
-{
-    compileOpCall(op_call, currentInstruction, m_callLinkInfoIndex++);
-}
-
-void JIT::emit_op_call_eval(Instruction* currentInstruction)
-{
-    compileOpCall(op_call_eval, currentInstruction, m_callLinkInfoIndex++);
-}
-
-void JIT::emit_op_call_varargs(Instruction* currentInstruction)
-{
-    compileOpCallVarargs(currentInstruction);
-}
-
-void JIT::emit_op_construct(Instruction* currentInstruction)
-{
-    compileOpCall(op_construct, currentInstruction, m_callLinkInfoIndex++);
-}
-
-#if !ENABLE(JIT_OPTIMIZE_CALL)
-
-/* ------------------------------ BEGIN: !ENABLE(JIT_OPTIMIZE_CALL) ------------------------------ */
-
-void JIT::compileOpCall(OpcodeID opcodeID, Instruction* instruction, unsigned)
-{
-    int callee = instruction[1].u.operand;
-    int argCount = instruction[2].u.operand;
-    int registerOffset = instruction[3].u.operand;
-
-    Jump wasEval;
-    if (opcodeID == op_call_eval) {
-        JITStubCall stubCall(this, cti_op_call_eval);
-        stubCall.addArgument(callee);
-        stubCall.addArgument(JIT::Imm32(registerOffset));
-        stubCall.addArgument(JIT::Imm32(argCount));
-        stubCall.call();
-        wasEval = branch32(NotEqual, regT1, Imm32(JSValue::EmptyValueTag));
-    }
-
-    emitLoad(callee, regT1, regT0);
-
-    emitJumpSlowCaseIfNotJSCell(callee, regT1);
-    addSlowCase(branchPtr(NotEqual, Address(regT0), ImmPtr(m_globalData->jsFunctionVPtr)));
-
-    // Speculatively roll the callframe, assuming argCount will match the arity.
-    storePtr(callFrameRegister, Address(callFrameRegister, (RegisterFile::CallerFrame + registerOffset) * static_cast<int>(sizeof(Register))));
-    addPtr(Imm32(registerOffset * static_cast<int>(sizeof(Register))), callFrameRegister);
-    move(Imm32(argCount), regT1);
-
-    emitNakedCall(opcodeID == op_construct ? m_globalData->jitStubs->ctiVirtualConstruct() : m_globalData->jitStubs->ctiVirtualCall());
-
-    if (opcodeID == op_call_eval)
-        wasEval.link(this);
-
-    sampleCodeBlock(m_codeBlock);
-}
-
-void JIT::compileOpCallSlowCase(Instruction* instruction, Vector<SlowCaseEntry>::iterator& iter, unsigned, OpcodeID opcodeID)
-{
-    int callee = instruction[1].u.operand;
-    int argCount = instruction[2].u.operand;
-    int registerOffset = instruction[3].u.operand;
-
-    linkSlowCaseIfNotJSCell(iter, callee);
-    linkSlowCase(iter);
-
-    JITStubCall stubCall(this, opcodeID == op_construct ? cti_op_construct_NotJSConstruct : cti_op_call_NotJSFunction);
-    stubCall.addArgument(callee);
-    stubCall.addArgument(JIT::Imm32(registerOffset));
-    stubCall.addArgument(JIT::Imm32(argCount));
-    stubCall.call();
-
-    sampleCodeBlock(m_codeBlock);
-}
-
-#else // !ENABLE(JIT_OPTIMIZE_CALL)
-
-/* ------------------------------ BEGIN: ENABLE(JIT_OPTIMIZE_CALL) ------------------------------ */
-
-void JIT::compileOpCall(OpcodeID opcodeID, Instruction* instruction, unsigned callLinkInfoIndex)
-{
-    int callee = instruction[1].u.operand;
-    int argCount = instruction[2].u.operand;
-    int registerOffset = instruction[3].u.operand;
-
-    Jump wasEval;
-    if (opcodeID == op_call_eval) {
-        JITStubCall stubCall(this, cti_op_call_eval);
-        stubCall.addArgument(callee);
-        stubCall.addArgument(JIT::Imm32(registerOffset));
-        stubCall.addArgument(JIT::Imm32(argCount));
-        stubCall.call();
-        wasEval = branch32(NotEqual, regT1, Imm32(JSValue::EmptyValueTag));
-    }
-
-    emitLoad(callee, regT1, regT0);
-
-    DataLabelPtr addressOfLinkedFunctionCheck;
-
-    BEGIN_UNINTERRUPTED_SEQUENCE(sequenceOpCall);
-
-    Jump jumpToSlow = branchPtrWithPatch(NotEqual, regT0, addressOfLinkedFunctionCheck, ImmPtr(0));
-
-    END_UNINTERRUPTED_SEQUENCE(sequenceOpCall);
-
-    addSlowCase(jumpToSlow);
-    ASSERT(differenceBetween(addressOfLinkedFunctionCheck, jumpToSlow) == patchOffsetOpCallCompareToJump);
-    m_callStructureStubCompilationInfo[callLinkInfoIndex].hotPathBegin = addressOfLinkedFunctionCheck;
-
-    addSlowCase(branch32(NotEqual, regT1, Imm32(JSValue::CellTag)));
-
-    // The following is the fast case, only used whan a callee can be linked.
-
-    // Fast version of stack frame initialization, directly relative to edi.
-    // Note that this omits to set up RegisterFile::CodeBlock, which is set in the callee
-    loadPtr(Address(regT0, OBJECT_OFFSETOF(JSFunction, m_scopeChain) + OBJECT_OFFSETOF(ScopeChain, m_node)), regT2);
-
-    store32(Imm32(argCount), Address(callFrameRegister, (registerOffset + RegisterFile::ArgumentCount) * static_cast<int>(sizeof(Register))));
-    storePtr(callFrameRegister, Address(callFrameRegister, (registerOffset + RegisterFile::CallerFrame) * static_cast<int>(sizeof(Register))));
-    emitStore(registerOffset + RegisterFile::Callee, regT1, regT0);
-    storePtr(regT2, Address(callFrameRegister, (registerOffset + RegisterFile::ScopeChain) * static_cast<int>(sizeof(Register))));
-    addPtr(Imm32(registerOffset * sizeof(Register)), callFrameRegister);
-
-    // Call to the callee
-    m_callStructureStubCompilationInfo[callLinkInfoIndex].hotPathOther = emitNakedCall();
-    
-    if (opcodeID == op_call_eval)
-        wasEval.link(this);
-
-    sampleCodeBlock(m_codeBlock);
-}
-
-void JIT::compileOpCallSlowCase(Instruction* instruction, Vector<SlowCaseEntry>::iterator& iter, unsigned callLinkInfoIndex, OpcodeID opcodeID)
-{
-    int callee = instruction[1].u.operand;
-    int argCount = instruction[2].u.operand;
-    int registerOffset = instruction[3].u.operand;
-
-    linkSlowCase(iter);
-    linkSlowCase(iter);
-
-    // Fast check for JS function.
-    Jump callLinkFailNotObject = branch32(NotEqual, regT1, Imm32(JSValue::CellTag));
-    Jump callLinkFailNotJSFunction = branchPtr(NotEqual, Address(regT0), ImmPtr(m_globalData->jsFunctionVPtr));
-
-    // Speculatively roll the callframe, assuming argCount will match the arity.
-    storePtr(callFrameRegister, Address(callFrameRegister, (RegisterFile::CallerFrame + registerOffset) * static_cast<int>(sizeof(Register))));
-    addPtr(Imm32(registerOffset * static_cast<int>(sizeof(Register))), callFrameRegister);
-    move(Imm32(argCount), regT1);
-
-    m_callStructureStubCompilationInfo[callLinkInfoIndex].callReturnLocation = emitNakedCall(opcodeID == op_construct ? m_globalData->jitStubs->ctiVirtualConstructLink() : m_globalData->jitStubs->ctiVirtualCallLink());
-
-    // Done! - return back to the hot path.
-    ASSERT(OPCODE_LENGTH(op_call) == OPCODE_LENGTH(op_call_eval));
-    ASSERT(OPCODE_LENGTH(op_call) == OPCODE_LENGTH(op_construct));
-    emitJumpSlowToHot(jump(), OPCODE_LENGTH(op_call));
-
-    // This handles host functions
-    callLinkFailNotObject.link(this);
-    callLinkFailNotJSFunction.link(this);
-
-    JITStubCall stubCall(this, opcodeID == op_construct ? cti_op_construct_NotJSConstruct : cti_op_call_NotJSFunction);
-    stubCall.addArgument(callee);
-    stubCall.addArgument(JIT::Imm32(registerOffset));
-    stubCall.addArgument(JIT::Imm32(argCount));
-    stubCall.call();
-
-    sampleCodeBlock(m_codeBlock);
-}
-
-/* ------------------------------ END: !ENABLE / ENABLE(JIT_OPTIMIZE_CALL) ------------------------------ */
-
-#endif // !ENABLE(JIT_OPTIMIZE_CALL)
-
-} // namespace JSC
-
-#endif // USE(JSVALUE32_64)
-#endif // ENABLE(JIT)