Rename the fast-codegen* files to full-codegen*.

src/x64/fast-codegen-x64.cc

Index: src/x64/fast-codegen-x64.cc
===================================================================
--- src/x64/fast-codegen-x64.cc	(revision 3660)
+++ src/x64/fast-codegen-x64.cc	(working copy)
@@ -1,1811 +0,0 @@
-// Copyright 2009 the V8 project authors. All rights reserved.
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-//       notice, this list of conditions and the following disclaimer.
-//     * 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.
-//     * Neither the name of Google Inc. nor the names of its
-//       contributors may be used to endorse or promote products derived
-//       from this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "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 THE COPYRIGHT
-// OWNER 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 "v8.h"
-
-#include "codegen-inl.h"
-#include "compiler.h"
-#include "debug.h"
-#include "fast-codegen.h"
-#include "parser.h"
-
-namespace v8 {
-namespace internal {
-
-#define __ ACCESS_MASM(masm_)
-
-// Generate code for a JS function.  On entry to the function the receiver
-// and arguments have been pushed on the stack left to right, with the
-// return address on top of them.  The actual argument count matches the
-// formal parameter count expected by the function.
-//
-// The live registers are:
-//   o rdi: the JS function object being called (ie, ourselves)
-//   o rsi: our context
-//   o rbp: our caller's frame pointer
-//   o rsp: stack pointer (pointing to return address)
-//
-// The function builds a JS frame.  Please see JavaScriptFrameConstants in
-// frames-x64.h for its layout.
-void FullCodeGenerator::Generate(FunctionLiteral* fun) {
-  function_ = fun;
-  SetFunctionPosition(fun);
-
-  __ push(rbp);  // Caller's frame pointer.
-  __ movq(rbp, rsp);
-  __ push(rsi);  // Callee's context.
-  __ push(rdi);  // Callee's JS Function.
-
-  { Comment cmnt(masm_, "[ Allocate locals");
-    int locals_count = fun->scope()->num_stack_slots();
-    if (locals_count == 1) {
-      __ PushRoot(Heap::kUndefinedValueRootIndex);
-    } else if (locals_count > 1) {
-      __ LoadRoot(rdx, Heap::kUndefinedValueRootIndex);
-      for (int i = 0; i < locals_count; i++) {
-        __ push(rdx);
-      }
-    }
-  }
-
-  bool function_in_register = true;
-
-  // Possibly allocate a local context.
-  if (fun->scope()->num_heap_slots() > 0) {
-    Comment cmnt(masm_, "[ Allocate local context");
-    // Argument to NewContext is the function, which is still in rdi.
-    __ push(rdi);
-    __ CallRuntime(Runtime::kNewContext, 1);
-    function_in_register = false;
-    // Context is returned in both rax and rsi.  It replaces the context
-    // passed to us.  It's saved in the stack and kept live in rsi.
-    __ movq(Operand(rbp, StandardFrameConstants::kContextOffset), rsi);
-
-    // Copy any necessary parameters into the context.
-    int num_parameters = fun->scope()->num_parameters();
-    for (int i = 0; i < num_parameters; i++) {
-      Slot* slot = fun->scope()->parameter(i)->slot();
-      if (slot != NULL && slot->type() == Slot::CONTEXT) {
-        int parameter_offset = StandardFrameConstants::kCallerSPOffset +
-                               (num_parameters - 1 - i) * kPointerSize;
-        // Load parameter from stack.
-        __ movq(rax, Operand(rbp, parameter_offset));
-        // Store it in the context
-        __ movq(Operand(rsi, Context::SlotOffset(slot->index())), rax);
-      }
-    }
-  }
-
-  // Possibly allocate an arguments object.
-  Variable* arguments = fun->scope()->arguments()->AsVariable();
-  if (arguments != NULL) {
-    // Arguments object must be allocated after the context object, in
-    // case the "arguments" or ".arguments" variables are in the context.
-    Comment cmnt(masm_, "[ Allocate arguments object");
-    if (function_in_register) {
-      __ push(rdi);
-    } else {
-      __ push(Operand(rbp, JavaScriptFrameConstants::kFunctionOffset));
-    }
-    // The receiver is just before the parameters on the caller's stack.
-    __ lea(rdx, Operand(rbp, StandardFrameConstants::kCallerSPOffset +
-                                 fun->num_parameters() * kPointerSize));
-    __ push(rdx);
-    __ Push(Smi::FromInt(fun->num_parameters()));
-    // Arguments to ArgumentsAccessStub:
-    //   function, receiver address, parameter count.
-    // The stub will rewrite receiver and parameter count if the previous
-    // stack frame was an arguments adapter frame.
-    ArgumentsAccessStub stub(ArgumentsAccessStub::NEW_OBJECT);
-    __ CallStub(&stub);
-    // Store new arguments object in both "arguments" and ".arguments" slots.
-    __ movq(rcx, rax);
-    Move(arguments->slot(), rax, rbx, rdx);
-    Slot* dot_arguments_slot =
-        fun->scope()->arguments_shadow()->AsVariable()->slot();
-    Move(dot_arguments_slot, rcx, rbx, rdx);
-  }
-
-  { Comment cmnt(masm_, "[ Declarations");
-    VisitDeclarations(fun->scope()->declarations());
-  }
-
-  { Comment cmnt(masm_, "[ Stack check");
-    Label ok;
-    __ CompareRoot(rsp, Heap::kStackLimitRootIndex);
-    __ j(above_equal, &ok);
-    StackCheckStub stub;
-    __ CallStub(&stub);
-    __ bind(&ok);
-  }
-
-  if (FLAG_trace) {
-    __ CallRuntime(Runtime::kTraceEnter, 0);
-  }
-
-  { Comment cmnt(masm_, "[ Body");
-    ASSERT(loop_depth() == 0);
-    VisitStatements(fun->body());
-    ASSERT(loop_depth() == 0);
-  }
-
-  { Comment cmnt(masm_, "[ return <undefined>;");
-    // Emit a 'return undefined' in case control fell off the end of the body.
-    __ LoadRoot(rax, Heap::kUndefinedValueRootIndex);
-    EmitReturnSequence(function_->end_position());
-  }
-}
-
-
-void FullCodeGenerator::EmitReturnSequence(int position) {
-  Comment cmnt(masm_, "[ Return sequence");
-  if (return_label_.is_bound()) {
-    __ jmp(&return_label_);
-  } else {
-    __ bind(&return_label_);
-    if (FLAG_trace) {
-      __ push(rax);
-      __ CallRuntime(Runtime::kTraceExit, 1);
-    }
-#ifdef DEBUG
-    // Add a label for checking the size of the code used for returning.
-    Label check_exit_codesize;
-    masm_->bind(&check_exit_codesize);
-#endif
-    CodeGenerator::RecordPositions(masm_, position);
-    __ RecordJSReturn();
-    // Do not use the leave instruction here because it is too short to
-    // patch with the code required by the debugger.
-    __ movq(rsp, rbp);
-    __ pop(rbp);
-    __ ret((function_->scope()->num_parameters() + 1) * kPointerSize);
-#ifdef ENABLE_DEBUGGER_SUPPORT
-    // Add padding that will be overwritten by a debugger breakpoint.  We
-    // have just generated "movq rsp, rbp; pop rbp; ret k" with length 7
-    // (3 + 1 + 3).
-    const int kPadding = Assembler::kJSReturnSequenceLength - 7;
-    for (int i = 0; i < kPadding; ++i) {
-      masm_->int3();
-    }
-    // Check that the size of the code used for returning matches what is
-    // expected by the debugger.
-    ASSERT_EQ(Assembler::kJSReturnSequenceLength,
-            masm_->SizeOfCodeGeneratedSince(&check_exit_codesize));
-#endif
-  }
-}
-
-
-void FullCodeGenerator::Apply(Expression::Context context, Register reg) {
-  switch (context) {
-    case Expression::kUninitialized:
-      UNREACHABLE();
-
-    case Expression::kEffect:
-      // Nothing to do.
-      break;
-
-    case Expression::kValue:
-      // Move value into place.
-      switch (location_) {
-        case kAccumulator:
-          if (!reg.is(result_register())) __ movq(result_register(), reg);
-          break;
-        case kStack:
-          __ push(reg);
-          break;
-      }
-      break;
-
-    case Expression::kTest:
-      // For simplicity we always test the accumulator register.
-      if (!reg.is(result_register())) __ movq(result_register(), reg);
-      DoTest(context);
-      break;
-
-    case Expression::kValueTest:
-    case Expression::kTestValue:
-      if (!reg.is(result_register())) __ movq(result_register(), reg);
-      switch (location_) {
-        case kAccumulator:
-          break;
-        case kStack:
-          __ push(result_register());
-          break;
-      }
-      DoTest(context);
-      break;
-  }
-}
-
-
-void FullCodeGenerator::Apply(Expression::Context context, Slot* slot) {
-  switch (context) {
-    case Expression::kUninitialized:
-      UNREACHABLE();
-    case Expression::kEffect:
-      // Nothing to do.
-      break;
-    case Expression::kValue: {
-      MemOperand slot_operand = EmitSlotSearch(slot, result_register());
-      switch (location_) {
-        case kAccumulator:
-          __ movq(result_register(), slot_operand);
-          break;
-        case kStack:
-          // Memory operands can be pushed directly.
-          __ push(slot_operand);
-          break;
-      }
-      break;
-    }
-
-    case Expression::kTest:
-      Move(result_register(), slot);
-      DoTest(context);
-      break;
-
-    case Expression::kValueTest:
-    case Expression::kTestValue:
-      Move(result_register(), slot);
-      switch (location_) {
-        case kAccumulator:
-          break;
-        case kStack:
-          __ push(result_register());
-          break;
-      }
-      DoTest(context);
-      break;
-  }
-}
-
-
-void FullCodeGenerator::Apply(Expression::Context context, Literal* lit) {
-  switch (context) {
-    case Expression::kUninitialized:
-      UNREACHABLE();
-    case Expression::kEffect:
-      // Nothing to do.
-      break;
-    case Expression::kValue:
-      switch (location_) {
-        case kAccumulator:
-          __ Move(result_register(), lit->handle());
-          break;
-        case kStack:
-          __ Push(lit->handle());
-          break;
-      }
-      break;
-
-    case Expression::kTest:
-      __ Move(result_register(), lit->handle());
-      DoTest(context);
-      break;
-
-    case Expression::kValueTest:
-    case Expression::kTestValue:
-      __ Move(result_register(), lit->handle());
-      switch (location_) {
-        case kAccumulator:
-          break;
-        case kStack:
-          __ push(result_register());
-          break;
-      }
-      DoTest(context);
-      break;
-  }
-}
-
-
-void FullCodeGenerator::ApplyTOS(Expression::Context context) {
-  switch (context) {
-    case Expression::kUninitialized:
-      UNREACHABLE();
-
-    case Expression::kEffect:
-      __ Drop(1);
-      break;
-
-    case Expression::kValue:
-      switch (location_) {
-        case kAccumulator:
-          __ pop(result_register());
-          break;
-        case kStack:
-          break;
-      }
-      break;
-
-    case Expression::kTest:
-      __ pop(result_register());
-      DoTest(context);
-      break;
-
-    case Expression::kValueTest:
-    case Expression::kTestValue:
-      switch (location_) {
-        case kAccumulator:
-          __ pop(result_register());
-          break;
-        case kStack:
-          __ movq(result_register(), Operand(rsp, 0));
-          break;
-      }
-      DoTest(context);
-      break;
-  }
-}
-
-
-void FullCodeGenerator::DropAndApply(int count,
-                                     Expression::Context context,
-                                     Register reg) {
-  ASSERT(count > 0);
-  ASSERT(!reg.is(rsp));
-  switch (context) {
-    case Expression::kUninitialized:
-      UNREACHABLE();
-
-    case Expression::kEffect:
-      __ Drop(count);
-      break;
-
-    case Expression::kValue:
-      switch (location_) {
-        case kAccumulator:
-          __ Drop(count);
-          if (!reg.is(result_register())) __ movq(result_register(), reg);
-          break;
-        case kStack:
-          if (count > 1) __ Drop(count - 1);
-          __ movq(Operand(rsp, 0), reg);
-          break;
-      }
-      break;
-
-    case Expression::kTest:
-      __ Drop(count);
-      if (!reg.is(result_register())) __ movq(result_register(), reg);
-      DoTest(context);
-      break;
-
-    case Expression::kValueTest:
-    case Expression::kTestValue:
-      switch (location_) {
-        case kAccumulator:
-          __ Drop(count);
-          if (!reg.is(result_register())) __ movq(result_register(), reg);
-          break;
-        case kStack:
-          if (count > 1) __ Drop(count - 1);
-          __ movq(result_register(), reg);
-          __ movq(Operand(rsp, 0), result_register());
-          break;
-      }
-      DoTest(context);
-      break;
-  }
-}
-
-
-void FullCodeGenerator::Apply(Expression::Context context,
-                              Label* materialize_true,
-                              Label* materialize_false) {
-  switch (context) {
-    case Expression::kUninitialized:
-
-    case Expression::kEffect:
-      ASSERT_EQ(materialize_true, materialize_false);
-      __ bind(materialize_true);
-      break;
-
-    case Expression::kValue: {
-      Label done;
-      switch (location_) {
-        case kAccumulator:
-          __ bind(materialize_true);
-          __ Move(result_register(), Factory::true_value());
-          __ jmp(&done);
-          __ bind(materialize_false);
-          __ Move(result_register(), Factory::false_value());
-          break;
-        case kStack:
-          __ bind(materialize_true);
-          __ Push(Factory::true_value());
-          __ jmp(&done);
-          __ bind(materialize_false);
-          __ Push(Factory::false_value());
-          break;
-      }
-      __ bind(&done);
-      break;
-    }
-
-    case Expression::kTest:
-      break;
-
-    case Expression::kValueTest:
-      __ bind(materialize_true);
-      switch (location_) {
-        case kAccumulator:
-          __ Move(result_register(), Factory::true_value());
-          break;
-        case kStack:
-          __ Push(Factory::true_value());
-          break;
-      }
-      __ jmp(true_label_);
-      break;
-
-    case Expression::kTestValue:
-      __ bind(materialize_false);
-      switch (location_) {
-        case kAccumulator:
-          __ Move(result_register(), Factory::false_value());
-          break;
-        case kStack:
-          __ Push(Factory::false_value());
-          break;
-      }
-      __ jmp(false_label_);
-      break;
-  }
-}
-
-
-void FullCodeGenerator::DoTest(Expression::Context context) {
-  // The value to test is in the accumulator.  If the value might be needed
-  // on the stack (value/test and test/value contexts with a stack location
-  // desired), then the value is already duplicated on the stack.
-  ASSERT_NE(NULL, true_label_);
-  ASSERT_NE(NULL, false_label_);
-
-  // In value/test and test/value expression contexts with stack as the
-  // desired location, there is already an extra value on the stack.  Use a
-  // label to discard it if unneeded.
-  Label discard;
-  Label* if_true = true_label_;
-  Label* if_false = false_label_;
-  switch (context) {
-    case Expression::kUninitialized:
-    case Expression::kEffect:
-    case Expression::kValue:
-      UNREACHABLE();
-    case Expression::kTest:
-      break;
-    case Expression::kValueTest:
-      switch (location_) {
-        case kAccumulator:
-          break;
-        case kStack:
-          if_false = &discard;
-          break;
-      }
-      break;
-    case Expression::kTestValue:
-      switch (location_) {
-        case kAccumulator:
-          break;
-        case kStack:
-          if_true = &discard;
-          break;
-      }
-      break;
-  }
-
-  // Emit the inlined tests assumed by the stub.
-  __ CompareRoot(result_register(), Heap::kUndefinedValueRootIndex);
-  __ j(equal, if_false);
-  __ CompareRoot(result_register(), Heap::kTrueValueRootIndex);
-  __ j(equal, if_true);
-  __ CompareRoot(result_register(), Heap::kFalseValueRootIndex);
-  __ j(equal, if_false);
-  ASSERT_EQ(0, kSmiTag);
-  __ SmiCompare(result_register(), Smi::FromInt(0));
-  __ j(equal, if_false);
-  Condition is_smi = masm_->CheckSmi(result_register());
-  __ j(is_smi, if_true);
-
-  // Save a copy of the value if it may be needed and isn't already saved.
-  switch (context) {
-    case Expression::kUninitialized:
-    case Expression::kEffect:
-    case Expression::kValue:
-      UNREACHABLE();
-    case Expression::kTest:
-      break;
-    case Expression::kValueTest:
-      switch (location_) {
-        case kAccumulator:
-          __ push(result_register());
-          break;
-        case kStack:
-          break;
-      }
-      break;
-    case Expression::kTestValue:
-      switch (location_) {
-        case kAccumulator:
-          __ push(result_register());
-          break;
-        case kStack:
-          break;
-      }
-      break;
-  }
-
-  // Call the ToBoolean stub for all other cases.
-  ToBooleanStub stub;
-  __ push(result_register());
-  __ CallStub(&stub);
-  __ testq(rax, rax);
-
-  // The stub returns nonzero for true.  Complete based on the context.
-  switch (context) {
-    case Expression::kUninitialized:
-    case Expression::kEffect:
-    case Expression::kValue:
-      UNREACHABLE();
-
-    case Expression::kTest:
-      __ j(not_zero, true_label_);
-      __ jmp(false_label_);
-      break;
-
-    case Expression::kValueTest:
-      switch (location_) {
-        case kAccumulator:
-          __ j(zero, &discard);
-          __ pop(result_register());
-          __ jmp(true_label_);
-          break;
-        case kStack:
-          __ j(not_zero, true_label_);
-          break;
-      }
-      __ bind(&discard);
-      __ Drop(1);
-      __ jmp(false_label_);
-      break;
-
-    case Expression::kTestValue:
-      switch (location_) {
-        case kAccumulator:
-          __ j(not_zero, &discard);
-          __ pop(result_register());
-          __ jmp(false_label_);
-          break;
-        case kStack:
-          __ j(zero, false_label_);
-          break;
-      }
-      __ bind(&discard);
-      __ Drop(1);
-      __ jmp(true_label_);
-      break;
-  }
-}
-
-
-MemOperand FullCodeGenerator::EmitSlotSearch(Slot* slot, Register scratch) {
-  switch (slot->type()) {
-    case Slot::PARAMETER:
-    case Slot::LOCAL:
-      return Operand(rbp, SlotOffset(slot));
-    case Slot::CONTEXT: {
-      int context_chain_length =
-          function_->scope()->ContextChainLength(slot->var()->scope());
-      __ LoadContext(scratch, context_chain_length);
-      return CodeGenerator::ContextOperand(scratch, slot->index());
-    }
-    case Slot::LOOKUP:
-      UNREACHABLE();
-  }
-  UNREACHABLE();
-  return Operand(rax, 0);
-}
-
-
-void FullCodeGenerator::Move(Register destination, Slot* source) {
-  MemOperand location = EmitSlotSearch(source, destination);
-  __ movq(destination, location);
-}
-
-
-void FullCodeGenerator::Move(Slot* dst,
-                             Register src,
-                             Register scratch1,
-                             Register scratch2) {
-  ASSERT(dst->type() != Slot::LOOKUP);  // Not yet implemented.
-  ASSERT(!scratch1.is(src) && !scratch2.is(src));
-  MemOperand location = EmitSlotSearch(dst, scratch1);
-  __ movq(location, src);
-  // Emit the write barrier code if the location is in the heap.
-  if (dst->type() == Slot::CONTEXT) {
-    int offset = FixedArray::kHeaderSize + dst->index() * kPointerSize;
-    __ RecordWrite(scratch1, offset, src, scratch2);
-  }
-}
-
-
-void FullCodeGenerator::VisitDeclaration(Declaration* decl) {
-  Comment cmnt(masm_, "[ Declaration");
-  Variable* var = decl->proxy()->var();
-  ASSERT(var != NULL);  // Must have been resolved.
-  Slot* slot = var->slot();
-  Property* prop = var->AsProperty();
-
-  if (slot != NULL) {
-    switch (slot->type()) {
-      case Slot::PARAMETER:
-      case Slot::LOCAL:
-        if (decl->mode() == Variable::CONST) {
-          __ LoadRoot(kScratchRegister, Heap::kTheHoleValueRootIndex);
-          __ movq(Operand(rbp, SlotOffset(slot)), kScratchRegister);
-        } else if (decl->fun() != NULL) {
-          VisitForValue(decl->fun(), kAccumulator);
-          __ movq(Operand(rbp, SlotOffset(slot)), result_register());
-        }
-        break;
-
-      case Slot::CONTEXT:
-        // We bypass the general EmitSlotSearch because we know more about
-        // this specific context.
-
-        // The variable in the decl always resides in the current context.
-        ASSERT_EQ(0, function_->scope()->ContextChainLength(var->scope()));
-        if (FLAG_debug_code) {
-          // Check if we have the correct context pointer.
-          __ movq(rbx,
-                  CodeGenerator::ContextOperand(rsi, Context::FCONTEXT_INDEX));
-          __ cmpq(rbx, rsi);
-          __ Check(equal, "Unexpected declaration in current context.");
-        }
-        if (decl->mode() == Variable::CONST) {
-          __ LoadRoot(kScratchRegister, Heap::kTheHoleValueRootIndex);
-          __ movq(CodeGenerator::ContextOperand(rsi, slot->index()),
-                  kScratchRegister);
-          // No write barrier since the hole value is in old space.
-        } else if (decl->fun() != NULL) {
-          VisitForValue(decl->fun(), kAccumulator);
-          __ movq(CodeGenerator::ContextOperand(rsi, slot->index()),
-                  result_register());
-          int offset = Context::SlotOffset(slot->index());
-          __ RecordWrite(rsi, offset, result_register(), rcx);
-        }
-        break;
-
-      case Slot::LOOKUP: {
-        __ push(rsi);
-        __ Push(var->name());
-        // Declaration nodes are always introduced in one of two modes.
-        ASSERT(decl->mode() == Variable::VAR ||
-               decl->mode() == Variable::CONST);
-        PropertyAttributes attr =
-            (decl->mode() == Variable::VAR) ? NONE : READ_ONLY;
-        __ Push(Smi::FromInt(attr));
-        // Push initial value, if any.
-        // Note: For variables we must not push an initial value (such as
-        // 'undefined') because we may have a (legal) redeclaration and we
-        // must not destroy the current value.
-        if (decl->mode() == Variable::CONST) {
-          __ PushRoot(Heap::kTheHoleValueRootIndex);
-        } else if (decl->fun() != NULL) {
-          VisitForValue(decl->fun(), kStack);
-        } else {
-          __ Push(Smi::FromInt(0));  // no initial value!
-        }
-        __ CallRuntime(Runtime::kDeclareContextSlot, 4);
-        break;
-      }
-    }
-
-  } else if (prop != NULL) {
-    if (decl->fun() != NULL || decl->mode() == Variable::CONST) {
-      // We are declaring a function or constant that rewrites to a
-      // property.  Use (keyed) IC to set the initial value.
-      VisitForValue(prop->obj(), kStack);
-      VisitForValue(prop->key(), kStack);
-
-      if (decl->fun() != NULL) {
-        VisitForValue(decl->fun(), kAccumulator);
-      } else {
-        __ LoadRoot(result_register(), Heap::kTheHoleValueRootIndex);
-      }
-
-      Handle<Code> ic(Builtins::builtin(Builtins::KeyedStoreIC_Initialize));
-      __ call(ic, RelocInfo::CODE_TARGET);
-      // Absence of a test rax instruction following the call
-      // indicates that none of the load was inlined.
-      __ nop();
-
-      // Value in rax is ignored (declarations are statements).  Receiver
-      // and key on stack are discarded.
-      __ Drop(2);
-    }
-  }
-}
-
-
-void FullCodeGenerator::DeclareGlobals(Handle<FixedArray> pairs) {
-  // Call the runtime to declare the globals.
-  __ push(rsi);  // The context is the first argument.
-  __ Push(pairs);
-  __ Push(Smi::FromInt(is_eval_ ? 1 : 0));
-  __ CallRuntime(Runtime::kDeclareGlobals, 3);
-  // Return value is ignored.
-}
-
-
-void FullCodeGenerator::VisitFunctionLiteral(FunctionLiteral* expr) {
-  Comment cmnt(masm_, "[ FunctionLiteral");
-
-  // Build the function boilerplate and instantiate it.
-  Handle<JSFunction> boilerplate =
-      Compiler::BuildBoilerplate(expr, script_, this);
-  if (HasStackOverflow()) return;
-
-  ASSERT(boilerplate->IsBoilerplate());
-
-  // Create a new closure.
-  __ push(rsi);
-  __ Push(boilerplate);
-  __ CallRuntime(Runtime::kNewClosure, 2);
-  Apply(context_, rax);
-}
-
-
-void FullCodeGenerator::VisitVariableProxy(VariableProxy* expr) {
-  Comment cmnt(masm_, "[ VariableProxy");
-  EmitVariableLoad(expr->var(), context_);
-}
-
-
-void FullCodeGenerator::EmitVariableLoad(Variable* var,
-                                         Expression::Context context) {
-  Expression* rewrite = var->rewrite();
-  if (rewrite == NULL) {
-    ASSERT(var->is_global());
-    Comment cmnt(masm_, "Global variable");
-    // Use inline caching. Variable name is passed in rcx and the global
-    // object on the stack.
-    __ push(CodeGenerator::GlobalObject());
-    __ Move(rcx, var->name());
-    Handle<Code> ic(Builtins::builtin(Builtins::LoadIC_Initialize));
-    __ Call(ic, RelocInfo::CODE_TARGET_CONTEXT);
-    // A test rax instruction following the call is used by the IC to
-    // indicate that the inobject property case was inlined.  Ensure there
-    // is no test rax instruction here.
-    __ nop();
-    DropAndApply(1, context, rax);
-  } else if (rewrite->AsSlot() != NULL) {
-    Slot* slot = rewrite->AsSlot();
-    if (FLAG_debug_code) {
-      switch (slot->type()) {
-        case Slot::PARAMETER:
-        case Slot::LOCAL: {
-          Comment cmnt(masm_, "Stack slot");
-          break;
-        }
-        case Slot::CONTEXT: {
-          Comment cmnt(masm_, "Context slot");
-          break;
-        }
-        case Slot::LOOKUP:
-          UNIMPLEMENTED();
-          break;
-      }
-    }
-    Apply(context, slot);
-  } else {
-    Comment cmnt(masm_, "Variable rewritten to property");
-    // A variable has been rewritten into an explicit access to an object
-    // property.
-    Property* property = rewrite->AsProperty();
-    ASSERT_NOT_NULL(property);
-
-    // The only property expressions that can occur are of the form
-    // "slot[literal]".
-
-    // Assert that the object is in a slot.
-    Variable* object_var = property->obj()->AsVariableProxy()->AsVariable();
-    ASSERT_NOT_NULL(object_var);
-    Slot* object_slot = object_var->slot();
-    ASSERT_NOT_NULL(object_slot);
-
-    // Load the object.
-    MemOperand object_loc = EmitSlotSearch(object_slot, rax);
-    __ push(object_loc);
-
-    // Assert that the key is a smi.
-    Literal* key_literal = property->key()->AsLiteral();
-    ASSERT_NOT_NULL(key_literal);
-    ASSERT(key_literal->handle()->IsSmi());
-
-    // Load the key.
-    __ Push(key_literal->handle());
-
-    // Do a keyed property load.
-    Handle<Code> ic(Builtins::builtin(Builtins::KeyedLoadIC_Initialize));
-    __ call(ic, RelocInfo::CODE_TARGET);
-    // Notice: We must not have a "test rax, ..." instruction after the
-    // call. It is treated specially by the LoadIC code.
-    __ nop();
-    // Drop key and object left on the stack by IC, and push the result.
-    DropAndApply(2, context, rax);
-  }
-}
-
-
-void FullCodeGenerator::VisitRegExpLiteral(RegExpLiteral* expr) {
-  Comment cmnt(masm_, "[ RegExpLiteral");
-  Label done;
-  // Registers will be used as follows:
-  // rdi = JS function.
-  // rbx = literals array.
-  // rax = regexp literal.
-  __ movq(rdi, Operand(rbp, JavaScriptFrameConstants::kFunctionOffset));
-  __ movq(rbx, FieldOperand(rdi, JSFunction::kLiteralsOffset));
-  int literal_offset =
-    FixedArray::kHeaderSize + expr->literal_index() * kPointerSize;
-  __ movq(rax, FieldOperand(rbx, literal_offset));
-  __ CompareRoot(rax, Heap::kUndefinedValueRootIndex);
-  __ j(not_equal, &done);
-  // Create regexp literal using runtime function
-  // Result will be in rax.
-  __ push(rbx);
-  __ Push(Smi::FromInt(expr->literal_index()));
-  __ Push(expr->pattern());
-  __ Push(expr->flags());
-  __ CallRuntime(Runtime::kMaterializeRegExpLiteral, 4);
-  __ bind(&done);
-  Apply(context_, rax);
-}
-
-
-void FullCodeGenerator::VisitObjectLiteral(ObjectLiteral* expr) {
-  Comment cmnt(masm_, "[ ObjectLiteral");
-  __ movq(rdi, Operand(rbp, JavaScriptFrameConstants::kFunctionOffset));
-  __ push(FieldOperand(rdi, JSFunction::kLiteralsOffset));
-  __ Push(Smi::FromInt(expr->literal_index()));
-  __ Push(expr->constant_properties());
-  if (expr->depth() > 1) {
-    __ CallRuntime(Runtime::kCreateObjectLiteral, 3);
-  } else {
-    __ CallRuntime(Runtime::kCreateObjectLiteralShallow, 3);
-  }
-
-  // If result_saved is true the result is on top of the stack.  If
-  // result_saved is false the result is in rax.
-  bool result_saved = false;
-
-  for (int i = 0; i < expr->properties()->length(); i++) {
-    ObjectLiteral::Property* property = expr->properties()->at(i);
-    if (property->IsCompileTimeValue()) continue;
-
-    Literal* key = property->key();
-    Expression* value = property->value();
-    if (!result_saved) {
-      __ push(rax);  // Save result on the stack
-      result_saved = true;
-    }
-    switch (property->kind()) {
-      case ObjectLiteral::Property::CONSTANT:
-        UNREACHABLE();
-      case ObjectLiteral::Property::MATERIALIZED_LITERAL:
-        ASSERT(!CompileTimeValue::IsCompileTimeValue(value));
-        // Fall through.
-      case ObjectLiteral::Property::COMPUTED:
-        if (key->handle()->IsSymbol()) {
-          VisitForValue(value, kAccumulator);
-          __ Move(rcx, key->handle());
-          Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_Initialize));
-          __ call(ic, RelocInfo::CODE_TARGET);
-          __ nop();
-          // StoreIC leaves the receiver on the stack.
-          break;
-        }
-        // Fall through.
-      case ObjectLiteral::Property::PROTOTYPE:
-        __ push(Operand(rsp, 0));  // Duplicate receiver.
-        VisitForValue(key, kStack);
-        VisitForValue(value, kStack);
-        __ CallRuntime(Runtime::kSetProperty, 3);
-        break;
-      case ObjectLiteral::Property::SETTER:
-      case ObjectLiteral::Property::GETTER:
-        __ push(Operand(rsp, 0));  // Duplicate receiver.
-        VisitForValue(key, kStack);
-        __ Push(property->kind() == ObjectLiteral::Property::SETTER ?
-                Smi::FromInt(1) :
-                Smi::FromInt(0));
-        VisitForValue(value, kStack);
-        __ CallRuntime(Runtime::kDefineAccessor, 4);
-        break;
-    }
-  }
-
-  if (result_saved) {
-    ApplyTOS(context_);
-  } else {
-    Apply(context_, rax);
-  }
-}
-
-
-void FullCodeGenerator::VisitArrayLiteral(ArrayLiteral* expr) {
-  Comment cmnt(masm_, "[ ArrayLiteral");
-  __ movq(rbx, Operand(rbp, JavaScriptFrameConstants::kFunctionOffset));
-  __ push(FieldOperand(rbx, JSFunction::kLiteralsOffset));
-  __ Push(Smi::FromInt(expr->literal_index()));
-  __ Push(expr->constant_elements());
-  if (expr->depth() > 1) {
-    __ CallRuntime(Runtime::kCreateArrayLiteral, 3);
-  } else {
-    __ CallRuntime(Runtime::kCreateArrayLiteralShallow, 3);
-  }
-
-  bool result_saved = false;  // Is the result saved to the stack?
-
-  // Emit code to evaluate all the non-constant subexpressions and to store
-  // them into the newly cloned array.
-  ZoneList<Expression*>* subexprs = expr->values();
-  for (int i = 0, len = subexprs->length(); i < len; i++) {
-    Expression* subexpr = subexprs->at(i);
-    // If the subexpression is a literal or a simple materialized literal it
-    // is already set in the cloned array.
-    if (subexpr->AsLiteral() != NULL ||
-        CompileTimeValue::IsCompileTimeValue(subexpr)) {
-      continue;
-    }
-
-    if (!result_saved) {
-      __ push(rax);
-      result_saved = true;
-    }
-    VisitForValue(subexpr, kAccumulator);
-
-    // Store the subexpression value in the array's elements.
-    __ movq(rbx, Operand(rsp, 0));  // Copy of array literal.
-    __ movq(rbx, FieldOperand(rbx, JSObject::kElementsOffset));
-    int offset = FixedArray::kHeaderSize + (i * kPointerSize);
-    __ movq(FieldOperand(rbx, offset), result_register());
-
-    // Update the write barrier for the array store.
-    __ RecordWrite(rbx, offset, result_register(), rcx);
-  }
-
-  if (result_saved) {
-    ApplyTOS(context_);
-  } else {
-    Apply(context_, rax);
-  }
-}
-
-
-void FullCodeGenerator::EmitNamedPropertyLoad(Property* prop) {
-  SetSourcePosition(prop->position());
-  Literal* key = prop->key()->AsLiteral();
-  __ Move(rcx, key->handle());
-  Handle<Code> ic(Builtins::builtin(Builtins::LoadIC_Initialize));
-  __ Call(ic, RelocInfo::CODE_TARGET);
-  __ nop();
-}
-
-
-void FullCodeGenerator::EmitKeyedPropertyLoad(Property* prop) {
-  SetSourcePosition(prop->position());
-  Handle<Code> ic(Builtins::builtin(Builtins::KeyedLoadIC_Initialize));
-  __ Call(ic, RelocInfo::CODE_TARGET);
-  __ nop();
-}
-
-
-void FullCodeGenerator::EmitBinaryOp(Token::Value op,
-                                     Expression::Context context) {
-  __ push(result_register());
-  GenericBinaryOpStub stub(op,
-                           NO_OVERWRITE,
-                           NO_GENERIC_BINARY_FLAGS);
-  __ CallStub(&stub);
-  Apply(context, rax);
-}
-
-
-void FullCodeGenerator::EmitVariableAssignment(Variable* var,
-                                               Expression::Context context) {
-  ASSERT(var != NULL);
-  ASSERT(var->is_global() || var->slot() != NULL);
-  if (var->is_global()) {
-    // Assignment to a global variable.  Use inline caching for the
-    // assignment.  Right-hand-side value is passed in rax, variable name in
-    // rcx, and the global object on the stack.
-    __ Move(rcx, var->name());
-    __ push(CodeGenerator::GlobalObject());
-    Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_Initialize));
-    __ Call(ic, RelocInfo::CODE_TARGET);
-    // Overwrite the global object on the stack with the result if needed.
-    DropAndApply(1, context, rax);
-
-  } else if (var->slot() != NULL) {
-    Slot* slot = var->slot();
-    switch (slot->type()) {
-      case Slot::LOCAL:
-      case Slot::PARAMETER:
-        __ movq(Operand(rbp, SlotOffset(slot)), result_register());
-        break;
-
-      case Slot::CONTEXT: {
-        MemOperand target = EmitSlotSearch(slot, rcx);
-        __ movq(target, result_register());
-
-        // RecordWrite may destroy all its register arguments.
-        __ movq(rdx, result_register());
-        int offset = FixedArray::kHeaderSize + slot->index() * kPointerSize;
-        __ RecordWrite(rcx, offset, rdx, rbx);
-        break;
-      }
-
-      case Slot::LOOKUP:
-        UNREACHABLE();
-        break;
-    }
-    Apply(context, result_register());
-  } else {
-    // Variables rewritten as properties are not treated as variables in
-    // assignments.
-    UNREACHABLE();
-  }
-}
-
-
-void FullCodeGenerator::EmitNamedPropertyAssignment(Assignment* expr) {
-  // Assignment to a property, using a named store IC.
-  Property* prop = expr->target()->AsProperty();
-  ASSERT(prop != NULL);
-  ASSERT(prop->key()->AsLiteral() != NULL);
-
-  // If the assignment starts a block of assignments to the same object,
-  // change to slow case to avoid the quadratic behavior of repeatedly
-  // adding fast properties.
-  if (expr->starts_initialization_block()) {
-    __ push(result_register());
-    __ push(Operand(rsp, kPointerSize));  // Receiver is now under value.
-    __ CallRuntime(Runtime::kToSlowProperties, 1);
-    __ pop(result_register());
-  }
-
-  // Record source code position before IC call.
-  SetSourcePosition(expr->position());
-  __ Move(rcx, prop->key()->AsLiteral()->handle());
-  Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_Initialize));
-  __ Call(ic, RelocInfo::CODE_TARGET);
-  __ nop();
-
-  // If the assignment ends an initialization block, revert to fast case.
-  if (expr->ends_initialization_block()) {
-    __ push(rax);  // Result of assignment, saved even if not needed.
-    __ push(Operand(rsp, kPointerSize));  // Receiver is under value.
-    __ CallRuntime(Runtime::kToFastProperties, 1);
-    __ pop(rax);
-  }
-
-  DropAndApply(1, context_, rax);
-}
-
-
-void FullCodeGenerator::EmitKeyedPropertyAssignment(Assignment* expr) {
-  // Assignment to a property, using a keyed store IC.
-
-  // If the assignment starts a block of assignments to the same object,
-  // change to slow case to avoid the quadratic behavior of repeatedly
-  // adding fast properties.
-  if (expr->starts_initialization_block()) {
-    __ push(result_register());
-    // Receiver is now under the key and value.
-    __ push(Operand(rsp, 2 * kPointerSize));
-    __ CallRuntime(Runtime::kToSlowProperties, 1);
-    __ pop(result_register());
-  }
-
-  // Record source code position before IC call.
-  SetSourcePosition(expr->position());
-  Handle<Code> ic(Builtins::builtin(Builtins::KeyedStoreIC_Initialize));
-  __ Call(ic, RelocInfo::CODE_TARGET);
-  // This nop signals to the IC that there is no inlined code at the call
-  // site for it to patch.
-  __ nop();
-
-  // If the assignment ends an initialization block, revert to fast case.
-  if (expr->ends_initialization_block()) {
-    __ push(rax);  // Result of assignment, saved even if not needed.
-    // Receiver is under the key and value.
-    __ push(Operand(rsp, 2 * kPointerSize));
-    __ CallRuntime(Runtime::kToFastProperties, 1);
-    __ pop(rax);
-  }
-
-  // Receiver and key are still on stack.
-  DropAndApply(2, context_, rax);
-}
-
-
-void FullCodeGenerator::VisitProperty(Property* expr) {
-  Comment cmnt(masm_, "[ Property");
-  Expression* key = expr->key();
-
-  // Evaluate receiver.
-  VisitForValue(expr->obj(), kStack);
-
-  if (key->IsPropertyName()) {
-    EmitNamedPropertyLoad(expr);
-    // Drop receiver left on the stack by IC.
-    DropAndApply(1, context_, rax);
-  } else {
-    VisitForValue(expr->key(), kStack);
-    EmitKeyedPropertyLoad(expr);
-    // Drop key and receiver left on the stack by IC.
-    DropAndApply(2, context_, rax);
-  }
-}
-
-
-void FullCodeGenerator::EmitCallWithIC(Call* expr,
-                                       Handle<Object> ignored,
-                                       RelocInfo::Mode mode) {
-  // Code common for calls using the IC.
-  ZoneList<Expression*>* args = expr->arguments();
-  int arg_count = args->length();
-  for (int i = 0; i < arg_count; i++) {
-    VisitForValue(args->at(i), kStack);
-  }
-  // Record source position for debugger.
-  SetSourcePosition(expr->position());
-  // Call the IC initialization code.
-  InLoopFlag in_loop = (loop_depth() > 0) ? IN_LOOP : NOT_IN_LOOP;
-  Handle<Code> ic = CodeGenerator::ComputeCallInitialize(arg_count,
-                                                         in_loop);
-  __ Call(ic, mode);
-  // Restore context register.
-  __ movq(rsi, Operand(rbp, StandardFrameConstants::kContextOffset));
-  // Discard the function left on TOS.
-  DropAndApply(1, context_, rax);
-}
-
-
-void FullCodeGenerator::EmitCallWithStub(Call* expr) {
-  // Code common for calls using the call stub.
-  ZoneList<Expression*>* args = expr->arguments();
-  int arg_count = args->length();
-  for (int i = 0; i < arg_count; i++) {
-    VisitForValue(args->at(i), kStack);
-  }
-  // Record source position for debugger.
-  SetSourcePosition(expr->position());
-  CallFunctionStub stub(arg_count, NOT_IN_LOOP, RECEIVER_MIGHT_BE_VALUE);
-  __ CallStub(&stub);
-  // Restore context register.
-  __ movq(rsi, Operand(rbp, StandardFrameConstants::kContextOffset));
-  // Discard the function left on TOS.
-  DropAndApply(1, context_, rax);
-}
-
-
-void FullCodeGenerator::VisitCall(Call* expr) {
-  Comment cmnt(masm_, "[ Call");
-  Expression* fun = expr->expression();
-  Variable* var = fun->AsVariableProxy()->AsVariable();
-
-  if (var != NULL && var->is_possibly_eval()) {
-    // Call to the identifier 'eval'.
-    UNREACHABLE();
-  } else if (var != NULL && !var->is_this() && var->is_global()) {
-    // Call to a global variable.
-    __ Push(var->name());
-    // Push global object as receiver for the call IC lookup.
-    __ push(CodeGenerator::GlobalObject());
-    EmitCallWithIC(expr, var->name(), RelocInfo::CODE_TARGET_CONTEXT);
-  } else if (var != NULL && var->slot() != NULL &&
-             var->slot()->type() == Slot::LOOKUP) {
-    // Call to a lookup slot.
-    UNREACHABLE();
-  } else if (fun->AsProperty() != NULL) {
-    // Call to an object property.
-    Property* prop = fun->AsProperty();
-    Literal* key = prop->key()->AsLiteral();
-    if (key != NULL && key->handle()->IsSymbol()) {
-      // Call to a named property, use call IC.
-      __ Push(key->handle());
-      VisitForValue(prop->obj(), kStack);
-      EmitCallWithIC(expr, key->handle(), RelocInfo::CODE_TARGET);
-    } else {
-      // Call to a keyed property, use keyed load IC followed by function
-      // call.
-      VisitForValue(prop->obj(), kStack);
-      VisitForValue(prop->key(), kStack);
-      // Record source code position for IC call.
-      SetSourcePosition(prop->position());
-      Handle<Code> ic(Builtins::builtin(Builtins::KeyedLoadIC_Initialize));
-      __ call(ic, RelocInfo::CODE_TARGET);
-      // By emitting a nop we make sure that we do not have a "test rax,..."
-      // instruction after the call it is treated specially by the LoadIC code.
-      __ nop();
-      // Drop key left on the stack by IC.
-      __ Drop(1);
-      // Pop receiver.
-      __ pop(rbx);
-      // Push result (function).
-      __ push(rax);
-      // Push receiver object on stack.
-      if (prop->is_synthetic()) {
-        __ movq(rcx, CodeGenerator::GlobalObject());
-        __ push(FieldOperand(rcx, GlobalObject::kGlobalReceiverOffset));
-      } else {
-        __ push(rbx);
-      }
-      EmitCallWithStub(expr);
-    }
-  } else {
-    // Call to some other expression.  If the expression is an anonymous
-    // function literal not called in a loop, mark it as one that should
-    // also use the fast code generator.
-    FunctionLiteral* lit = fun->AsFunctionLiteral();
-    if (lit != NULL &&
-        lit->name()->Equals(Heap::empty_string()) &&
-        loop_depth() == 0) {
-      lit->set_try_fast_codegen(true);
-    }
-    VisitForValue(fun, kStack);
-    // Load global receiver object.
-    __ movq(rbx, CodeGenerator::GlobalObject());
-    __ push(FieldOperand(rbx, GlobalObject::kGlobalReceiverOffset));
-    // Emit function call.
-    EmitCallWithStub(expr);
-  }
-}
-
-
-void FullCodeGenerator::VisitCallNew(CallNew* expr) {
-  Comment cmnt(masm_, "[ CallNew");
-  // According to ECMA-262, section 11.2.2, page 44, the function
-  // expression in new calls must be evaluated before the
-  // arguments.
-  // Push function on the stack.
-  VisitForValue(expr->expression(), kStack);
-
-  // Push global object (receiver).
-  __ push(CodeGenerator::GlobalObject());
-
-  // Push the arguments ("left-to-right") on the stack.
-  ZoneList<Expression*>* args = expr->arguments();
-  int arg_count = args->length();
-  for (int i = 0; i < arg_count; i++) {
-    VisitForValue(args->at(i), kStack);
-  }
-
-  // Call the construct call builtin that handles allocation and
-  // constructor invocation.
-  SetSourcePosition(expr->position());
-
-  // Load function, arg_count into rdi and rax.
-  __ Set(rax, arg_count);
-  // Function is in rsp[arg_count + 1].
-  __ movq(rdi, Operand(rsp, rax, times_pointer_size, kPointerSize));
-
-  Handle<Code> construct_builtin(Builtins::builtin(Builtins::JSConstructCall));
-  __ Call(construct_builtin, RelocInfo::CONSTRUCT_CALL);
-
-  // Replace function on TOS with result in rax, or pop it.
-  DropAndApply(1, context_, rax);
-}
-
-
-void FullCodeGenerator::VisitCallRuntime(CallRuntime* expr) {
-  Comment cmnt(masm_, "[ CallRuntime");
-  ZoneList<Expression*>* args = expr->arguments();
-
-  if (expr->is_jsruntime()) {
-    // Prepare for calling JS runtime function.
-    __ Push(expr->name());
-    __ movq(rax, CodeGenerator::GlobalObject());
-    __ push(FieldOperand(rax, GlobalObject::kBuiltinsOffset));
-  }
-
-  // Push the arguments ("left-to-right").
-  int arg_count = args->length();
-  for (int i = 0; i < arg_count; i++) {
-    VisitForValue(args->at(i), kStack);
-  }
-
-  if (expr->is_jsruntime()) {
-    // Call the JS runtime function.
-    Handle<Code> ic = CodeGenerator::ComputeCallInitialize(arg_count,
-                                                           NOT_IN_LOOP);
-    __ call(ic, RelocInfo::CODE_TARGET);
-    // Restore context register.
-    __ movq(rsi, Operand(rbp, StandardFrameConstants::kContextOffset));
-    // Discard the function left on TOS.
-    DropAndApply(1, context_, rax);
-  } else {
-    __ CallRuntime(expr->function(), arg_count);
-    Apply(context_, rax);
-  }
-}
-
-
-void FullCodeGenerator::VisitUnaryOperation(UnaryOperation* expr) {
-  switch (expr->op()) {
-    case Token::VOID: {
-      Comment cmnt(masm_, "[ UnaryOperation (VOID)");
-      VisitForEffect(expr->expression());
-      switch (context_) {
-        case Expression::kUninitialized:
-          UNREACHABLE();
-          break;
-        case Expression::kEffect:
-          break;
-        case Expression::kValue:
-          switch (location_) {
-            case kAccumulator:
-              __ LoadRoot(result_register(), Heap::kUndefinedValueRootIndex);
-              break;
-            case kStack:
-              __ PushRoot(Heap::kUndefinedValueRootIndex);
-              break;
-          }
-          break;
-        case Expression::kTestValue:
-          // Value is false so it's needed.
-          switch (location_) {
-            case kAccumulator:
-              __ LoadRoot(result_register(), Heap::kUndefinedValueRootIndex);
-              break;
-            case kStack:
-              __ PushRoot(Heap::kUndefinedValueRootIndex);
-              break;
-          }
-          // Fall through.
-        case Expression::kTest:
-        case Expression::kValueTest:
-          __ jmp(false_label_);
-          break;
-      }
-      break;
-    }
-
-    case Token::NOT: {
-      Comment cmnt(masm_, "[ UnaryOperation (NOT)");
-      Label materialize_true, materialize_false, done;
-      // Initially assume a pure test context.  Notice that the labels are
-      // swapped.
-      Label* if_true = false_label_;
-      Label* if_false = true_label_;
-      switch (context_) {
-        case Expression::kUninitialized:
-          UNREACHABLE();
-          break;
-        case Expression::kEffect:
-          if_true = &done;
-          if_false = &done;
-          break;
-        case Expression::kValue:
-          if_true = &materialize_false;
-          if_false = &materialize_true;
-          break;
-        case Expression::kTest:
-          break;
-        case Expression::kValueTest:
-          if_false = &materialize_true;
-          break;
-        case Expression::kTestValue:
-          if_true = &materialize_false;
-          break;
-      }
-      VisitForControl(expr->expression(), if_true, if_false);
-      Apply(context_, if_false, if_true);  // Labels swapped.
-      break;
-    }
-
-    case Token::TYPEOF: {
-      Comment cmnt(masm_, "[ UnaryOperation (TYPEOF)");
-      VariableProxy* proxy = expr->expression()->AsVariableProxy();
-      if (proxy != NULL &&
-          !proxy->var()->is_this() &&
-          proxy->var()->is_global()) {
-        Comment cmnt(masm_, "Global variable");
-        __ push(CodeGenerator::GlobalObject());
-        __ Move(rcx, proxy->name());
-        Handle<Code> ic(Builtins::builtin(Builtins::LoadIC_Initialize));
-        // Use a regular load, not a contextual load, to avoid a reference
-        // error.
-        __ Call(ic, RelocInfo::CODE_TARGET);
-        __ movq(Operand(rsp, 0), rax);
-      } else if (proxy != NULL &&
-                 proxy->var()->slot() != NULL &&
-                 proxy->var()->slot()->type() == Slot::LOOKUP) {
-        __ push(rsi);
-        __ Push(proxy->name());
-        __ CallRuntime(Runtime::kLoadContextSlotNoReferenceError, 2);
-        __ push(rax);
-      } else {
-        // This expression cannot throw a reference error at the top level.
-        VisitForValue(expr->expression(), kStack);
-      }
-
-      __ CallRuntime(Runtime::kTypeof, 1);
-      Apply(context_, rax);
-      break;
-    }
-
-    default:
-      UNREACHABLE();
-  }
-}
-
-
-void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
-  Comment cmnt(masm_, "[ CountOperation");
-
-  // Expression can only be a property, a global or a (parameter or local)
-  // slot. Variables with rewrite to .arguments are treated as KEYED_PROPERTY.
-  enum LhsKind { VARIABLE, NAMED_PROPERTY, KEYED_PROPERTY };
-  LhsKind assign_type = VARIABLE;
-  Property* prop = expr->expression()->AsProperty();
-  // In case of a property we use the uninitialized expression context
-  // of the key to detect a named property.
-  if (prop != NULL) {
-    assign_type =
-        (prop->key()->IsPropertyName()) ? NAMED_PROPERTY : KEYED_PROPERTY;
-  }
-
-  // Evaluate expression and get value.
-  if (assign_type == VARIABLE) {
-    ASSERT(expr->expression()->AsVariableProxy()->var() != NULL);
-    Location saved_location = location_;
-    location_ = kStack;
-    EmitVariableLoad(expr->expression()->AsVariableProxy()->var(),
-                     Expression::kValue);
-    location_ = saved_location;
-  } else  {
-    // Reserve space for result of postfix operation.
-    if (expr->is_postfix() && context_ != Expression::kEffect) {
-      __ Push(Smi::FromInt(0));
-    }
-    VisitForValue(prop->obj(), kStack);
-    if (assign_type == NAMED_PROPERTY) {
-      EmitNamedPropertyLoad(prop);
-    } else {
-      VisitForValue(prop->key(), kStack);
-      EmitKeyedPropertyLoad(prop);
-    }
-    __ push(rax);
-  }
-
-  // Convert to number.
-  __ InvokeBuiltin(Builtins::TO_NUMBER, CALL_FUNCTION);
-
-  // Save result for postfix expressions.
-  if (expr->is_postfix()) {
-    switch (context_) {
-      case Expression::kUninitialized:
-        UNREACHABLE();
-      case Expression::kEffect:
-        // Do not save result.
-        break;
-      case Expression::kValue:
-      case Expression::kTest:
-      case Expression::kValueTest:
-      case Expression::kTestValue:
-        // Save the result on the stack. If we have a named or keyed property
-        // we store the result under the receiver that is currently on top
-        // of the stack.
-        switch (assign_type) {
-          case VARIABLE:
-            __ push(rax);
-            break;
-          case NAMED_PROPERTY:
-            __ movq(Operand(rsp, kPointerSize), rax);
-            break;
-          case KEYED_PROPERTY:
-            __ movq(Operand(rsp, 2 * kPointerSize), rax);
-            break;
-        }
-        break;
-    }
-  }
-
-  // Call stub for +1/-1.
-  __ push(rax);
-  __ Push(Smi::FromInt(1));
-  GenericBinaryOpStub stub(expr->binary_op(),
-                           NO_OVERWRITE,
-                           NO_GENERIC_BINARY_FLAGS);
-  __ CallStub(&stub);
-
-  // Store the value returned in rax.
-  switch (assign_type) {
-    case VARIABLE:
-      if (expr->is_postfix()) {
-        EmitVariableAssignment(expr->expression()->AsVariableProxy()->var(),
-                               Expression::kEffect);
-        // For all contexts except kEffect: We have the result on
-        // top of the stack.
-        if (context_ != Expression::kEffect) {
-          ApplyTOS(context_);
-        }
-      } else {
-        EmitVariableAssignment(expr->expression()->AsVariableProxy()->var(),
-                               context_);
-      }
-      break;
-    case NAMED_PROPERTY: {
-      __ Move(rcx, prop->key()->AsLiteral()->handle());
-      Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_Initialize));
-      __ call(ic, RelocInfo::CODE_TARGET);
-      // This nop signals to the IC that there is no inlined code at the call
-      // site for it to patch.
-      __ nop();
-      if (expr->is_postfix()) {
-        __ Drop(1);  // Result is on the stack under the receiver.
-        if (context_ != Expression::kEffect) {
-          ApplyTOS(context_);
-        }
-      } else {
-        DropAndApply(1, context_, rax);
-      }
-      break;
-    }
-    case KEYED_PROPERTY: {
-      Handle<Code> ic(Builtins::builtin(Builtins::KeyedStoreIC_Initialize));
-      __ call(ic, RelocInfo::CODE_TARGET);
-      // This nop signals to the IC that there is no inlined code at the call
-      // site for it to patch.
-      __ nop();
-      if (expr->is_postfix()) {
-        __ Drop(2);  // Result is on the stack under the key and the receiver.
-        if (context_ != Expression::kEffect) {
-          ApplyTOS(context_);
-        }
-      } else {
-        DropAndApply(2, context_, rax);
-      }
-      break;
-    }
-  }
-}
-
-void FullCodeGenerator::VisitBinaryOperation(BinaryOperation* expr) {
-  Comment cmnt(masm_, "[ BinaryOperation");
-  switch (expr->op()) {
-    case Token::COMMA:
-      VisitForEffect(expr->left());
-      Visit(expr->right());
-      break;
-
-    case Token::OR:
-    case Token::AND:
-      EmitLogicalOperation(expr);
-      break;
-
-    case Token::ADD:
-    case Token::SUB:
-    case Token::DIV:
-    case Token::MOD:
-    case Token::MUL:
-    case Token::BIT_OR:
-    case Token::BIT_AND:
-    case Token::BIT_XOR:
-    case Token::SHL:
-    case Token::SHR:
-    case Token::SAR:
-      VisitForValue(expr->left(), kStack);
-      VisitForValue(expr->right(), kAccumulator);
-      EmitBinaryOp(expr->op(), context_);
-      break;
-
-    default:
-      UNREACHABLE();
-  }
-}
-
-
-void FullCodeGenerator::VisitCompareOperation(CompareOperation* expr) {
-  Comment cmnt(masm_, "[ CompareOperation");
-
-  // Always perform the comparison for its control flow.  Pack the result
-  // into the expression's context after the comparison is performed.
-  Label materialize_true, materialize_false, done;
-  // Initially assume we are in a test context.
-  Label* if_true = true_label_;
-  Label* if_false = false_label_;
-  switch (context_) {
-    case Expression::kUninitialized:
-      UNREACHABLE();
-      break;
-    case Expression::kEffect:
-      if_true = &done;
-      if_false = &done;
-      break;
-    case Expression::kValue:
-      if_true = &materialize_true;
-      if_false = &materialize_false;
-      break;
-    case Expression::kTest:
-      break;
-    case Expression::kValueTest:
-      if_true = &materialize_true;
-      break;
-    case Expression::kTestValue:
-      if_false = &materialize_false;
-      break;
-  }
-
-  VisitForValue(expr->left(), kStack);
-  switch (expr->op()) {
-    case Token::IN:
-      VisitForValue(expr->right(), kStack);
-      __ InvokeBuiltin(Builtins::IN, CALL_FUNCTION);
-      __ CompareRoot(rax, Heap::kTrueValueRootIndex);
-      __ j(equal, if_true);
-      __ jmp(if_false);
-      break;
-
-    case Token::INSTANCEOF: {
-      VisitForValue(expr->right(), kStack);
-      InstanceofStub stub;
-      __ CallStub(&stub);
-      __ testq(rax, rax);
-      __ j(zero, if_true);  // The stub returns 0 for true.
-      __ jmp(if_false);
-      break;
-    }
-
-    default: {
-      VisitForValue(expr->right(), kAccumulator);
-      Condition cc = no_condition;
-      bool strict = false;
-      switch (expr->op()) {
-        case Token::EQ_STRICT:
-          strict = true;
-          // Fall through.
-        case Token::EQ:
-          cc = equal;
-          __ pop(rdx);
-          break;
-        case Token::LT:
-          cc = less;
-          __ pop(rdx);
-          break;
-        case Token::GT:
-          // Reverse left and right sizes to obtain ECMA-262 conversion order.
-          cc = less;
-          __ movq(rdx, result_register());
-          __ pop(rax);
-         break;
-        case Token::LTE:
-          // Reverse left and right sizes to obtain ECMA-262 conversion order.
-          cc = greater_equal;
-          __ movq(rdx, result_register());
-          __ pop(rax);
-          break;
-        case Token::GTE:
-          cc = greater_equal;
-          __ pop(rdx);
-          break;
-        case Token::IN:
-        case Token::INSTANCEOF:
-        default:
-          UNREACHABLE();
-      }
-
-      // The comparison stub expects the smi vs. smi case to be handled
-      // before it is called.
-      Label slow_case;
-      __ JumpIfNotBothSmi(rax, rdx, &slow_case);
-      __ SmiCompare(rdx, rax);
-      __ j(cc, if_true);
-      __ jmp(if_false);
-
-      __ bind(&slow_case);
-      CompareStub stub(cc, strict);
-      __ CallStub(&stub);
-      __ testq(rax, rax);
-      __ j(cc, if_true);
-      __ jmp(if_false);
-    }
-  }
-
-  // Convert the result of the comparison into one expected for this
-  // expression's context.
-  Apply(context_, if_true, if_false);
-}
-
-
-void FullCodeGenerator::VisitThisFunction(ThisFunction* expr) {
-  __ movq(rax, Operand(rbp, JavaScriptFrameConstants::kFunctionOffset));
-  Apply(context_, rax);
-}
-
-
-Register FullCodeGenerator::result_register() { return rax; }
-
-
-Register FullCodeGenerator::context_register() { return rsi; }
-
-
-void FullCodeGenerator::StoreToFrameField(int frame_offset, Register value) {
-  ASSERT(IsAligned(frame_offset, kPointerSize));
-  __ movq(Operand(rbp, frame_offset), value);
-}
-
-
-void FullCodeGenerator::LoadContextField(Register dst, int context_index) {
-  __ movq(dst, CodeGenerator::ContextOperand(rsi, context_index));
-}
-
-
-// ----------------------------------------------------------------------------
-// Non-local control flow support.
-
-
-void FullCodeGenerator::EnterFinallyBlock() {
-  ASSERT(!result_register().is(rdx));
-  ASSERT(!result_register().is(rcx));
-  // Cook return address on top of stack (smi encoded Code* delta)
-  __ movq(rdx, Operand(rsp, 0));
-  __ Move(rcx, masm_->CodeObject());
-  __ subq(rdx, rcx);
-  __ Integer32ToSmi(rdx, rdx);
-  __ movq(Operand(rsp, 0), rdx);
-  // Store result register while executing finally block.
-  __ push(result_register());
-}
-
-
-void FullCodeGenerator::ExitFinallyBlock() {
-  ASSERT(!result_register().is(rdx));
-  ASSERT(!result_register().is(rcx));
-  // Restore result register from stack.
-  __ pop(result_register());
-  // Uncook return address.
-  __ movq(rdx, Operand(rsp, 0));
-  __ SmiToInteger32(rdx, rdx);
-  __ Move(rcx, masm_->CodeObject());
-  __ addq(rdx, rcx);
-  __ movq(Operand(rsp, 0), rdx);
-  // And return.
-  __ ret(0);
-}
-
-
-#undef __
-
-
-} }  // namespace v8::internal