Move backend specific files to separate directories.

src/ia32/stub-cache-ia32.cc

Index: src/ia32/stub-cache-ia32.cc
diff --git a/src/ia32/stub-cache-ia32.cc b/src/ia32/stub-cache-ia32.cc
new file mode 100644
index 0000000000000000000000000000000000000000..bdfc3d6c310644c4f5cf589418aaedb1a00169bd
--- /dev/null
+++ b/src/ia32/stub-cache-ia32.cc
@@ -0,0 +1,1179 @@
+// Copyright 2006-2008 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 "ic-inl.h"
+#include "codegen-inl.h"
+#include "stub-cache.h"
+
+namespace v8 { namespace internal {
+
+#define __ ACCESS_MASM(masm)
+
+
+static void ProbeTable(MacroAssembler* masm,
+                       Code::Flags flags,
+                       StubCache::Table table,
+                       Register name,
+                       Register offset) {
+  ExternalReference key_offset(SCTableReference::keyReference(table));
+  ExternalReference value_offset(SCTableReference::valueReference(table));
+
+  Label miss;
+
+  // Save the offset on the stack.
+  __ push(offset);
+
+  // Check that the key in the entry matches the name.
+  __ cmp(name, Operand::StaticArray(offset, times_2, key_offset));
+  __ j(not_equal, &miss, not_taken);
+
+  // Get the code entry from the cache.
+  __ mov(offset, Operand::StaticArray(offset, times_2, value_offset));
+
+  // Check that the flags match what we're looking for.
+  __ mov(offset, FieldOperand(offset, Code::kFlagsOffset));
+  __ and_(offset, ~Code::kFlagsTypeMask);
+  __ cmp(offset, flags);
+  __ j(not_equal, &miss);
+
+  // Restore offset and re-load code entry from cache.
+  __ pop(offset);
+  __ mov(offset, Operand::StaticArray(offset, times_2, value_offset));
+
+  // Jump to the first instruction in the code stub.
+  __ add(Operand(offset), Immediate(Code::kHeaderSize - kHeapObjectTag));
+  __ jmp(Operand(offset));
+
+  // Miss: Restore offset and fall through.
+  __ bind(&miss);
+  __ pop(offset);
+}
+
+
+void StubCache::GenerateProbe(MacroAssembler* masm,
+                              Code::Flags flags,
+                              Register receiver,
+                              Register name,
+                              Register scratch) {
+  Label miss;
+
+  // Make sure that code is valid. The shifting code relies on the
+  // entry size being 8.
+  ASSERT(sizeof(Entry) == 8);
+
+  // Make sure the flags does not name a specific type.
+  ASSERT(Code::ExtractTypeFromFlags(flags) == 0);
+
+  // Make sure that there are no register conflicts.
+  ASSERT(!scratch.is(receiver));
+  ASSERT(!scratch.is(name));
+
+  // Check that the receiver isn't a smi.
+  __ test(receiver, Immediate(kSmiTagMask));
+  __ j(zero, &miss, not_taken);
+
+  // Get the map of the receiver and compute the hash.
+  __ mov(scratch, FieldOperand(name, String::kLengthOffset));
+  __ add(scratch, FieldOperand(receiver, HeapObject::kMapOffset));
+  __ xor_(scratch, flags);
+  __ and_(scratch, (kPrimaryTableSize - 1) << kHeapObjectTagSize);
+
+  // Probe the primary table.
+  ProbeTable(masm, flags, kPrimary, name, scratch);
+
+  // Primary miss: Compute hash for secondary probe.
+  __ sub(scratch, Operand(name));
+  __ add(Operand(scratch), Immediate(flags));
+  __ and_(scratch, (kSecondaryTableSize - 1) << kHeapObjectTagSize);
+
+  // Probe the secondary table.
+  ProbeTable(masm, flags, kSecondary, name, scratch);
+
+  // Cache miss: Fall-through and let caller handle the miss by
+  // entering the runtime system.
+  __ bind(&miss);
+}
+
+
+void StubCompiler::GenerateLoadGlobalFunctionPrototype(MacroAssembler* masm,
+                                                       int index,
+                                                       Register prototype) {
+  // Load the global or builtins object from the current context.
+  __ mov(prototype, Operand(esi, Context::SlotOffset(Context::GLOBAL_INDEX)));
+  // Load the global context from the global or builtins object.
+  __ mov(prototype,
+         FieldOperand(prototype, GlobalObject::kGlobalContextOffset));
+  // Load the function from the global context.
+  __ mov(prototype, Operand(prototype, Context::SlotOffset(index)));
+  // Load the initial map.  The global functions all have initial maps.
+  __ mov(prototype,
+         FieldOperand(prototype, JSFunction::kPrototypeOrInitialMapOffset));
+  // Load the prototype from the initial map.
+  __ mov(prototype, FieldOperand(prototype, Map::kPrototypeOffset));
+}
+
+
+void StubCompiler::GenerateLoadArrayLength(MacroAssembler* masm,
+                                           Register receiver,
+                                           Register scratch,
+                                           Label* miss_label) {
+  // Check that the receiver isn't a smi.
+  __ test(receiver, Immediate(kSmiTagMask));
+  __ j(zero, miss_label, not_taken);
+
+  // Check that the object is a JS array.
+  __ CmpObjectType(receiver, JS_ARRAY_TYPE, scratch);
+  __ j(not_equal, miss_label, not_taken);
+
+  // Load length directly from the JS array.
+  __ mov(eax, FieldOperand(receiver, JSArray::kLengthOffset));
+  __ ret(0);
+}
+
+
+// Generate code to check if an object is a string.  If the object is
+// a string, the map's instance type is left in the scratch register.
+static void GenerateStringCheck(MacroAssembler* masm,
+                                Register receiver,
+                                Register scratch,
+                                Label* smi,
+                                Label* non_string_object) {
+  // Check that the object isn't a smi.
+  __ test(receiver, Immediate(kSmiTagMask));
+  __ j(zero, smi, not_taken);
+
+  // Check that the object is a string.
+  __ mov(scratch, FieldOperand(receiver, HeapObject::kMapOffset));
+  __ movzx_b(scratch, FieldOperand(scratch, Map::kInstanceTypeOffset));
+  ASSERT(kNotStringTag != 0);
+  __ test(scratch, Immediate(kNotStringTag));
+  __ j(not_zero, non_string_object, not_taken);
+}
+
+
+void StubCompiler::GenerateLoadStringLength(MacroAssembler* masm,
+                                            Register receiver,
+                                            Register scratch,
+                                            Label* miss) {
+  Label load_length, check_wrapper;
+
+  // Check if the object is a string leaving the instance type in the
+  // scratch register.
+  GenerateStringCheck(masm, receiver, scratch, miss, &check_wrapper);
+
+  // Load length directly from the string.
+  __ bind(&load_length);
+  __ and_(scratch, kStringSizeMask);
+  __ mov(eax, FieldOperand(receiver, String::kLengthOffset));
+  // ecx is also the receiver.
+  __ lea(ecx, Operand(scratch, String::kLongLengthShift));
+  __ shr(eax);  // ecx is implicit shift register.
+  __ shl(eax, kSmiTagSize);
+  __ ret(0);
+
+  // Check if the object is a JSValue wrapper.
+  __ bind(&check_wrapper);
+  __ cmp(scratch, JS_VALUE_TYPE);
+  __ j(not_equal, miss, not_taken);
+
+  // Check if the wrapped value is a string and load the length
+  // directly if it is.
+  __ mov(receiver, FieldOperand(receiver, JSValue::kValueOffset));
+  GenerateStringCheck(masm, receiver, scratch, miss, miss);
+  __ jmp(&load_length);
+}
+
+
+void StubCompiler::GenerateLoadFunctionPrototype(MacroAssembler* masm,
+                                                 Register receiver,
+                                                 Register scratch1,
+                                                 Register scratch2,
+                                                 Label* miss_label) {
+  __ TryGetFunctionPrototype(receiver, scratch1, scratch2, miss_label);
+  __ mov(eax, Operand(scratch1));
+  __ ret(0);
+}
+
+
+// Load a fast property out of a holder object (src). In-object properties
+// are loaded directly otherwise the property is loaded from the properties
+// fixed array.
+void StubCompiler::GenerateFastPropertyLoad(MacroAssembler* masm,
+                                            Register dst, Register src,
+                                            JSObject* holder, int index) {
+  // Adjust for the number of properties stored in the holder.
+  index -= holder->map()->inobject_properties();
+  if (index < 0) {
+    // Get the property straight out of the holder.
+    int offset = holder->map()->instance_size() + (index * kPointerSize);
+    __ mov(dst, FieldOperand(src, offset));
+  } else {
+    // Calculate the offset into the properties array.
+    int offset = index * kPointerSize + Array::kHeaderSize;
+    __ mov(dst, FieldOperand(src, JSObject::kPropertiesOffset));
+    __ mov(dst, FieldOperand(dst, offset));
+  }
+}
+
+
+void StubCompiler::GenerateLoadField(MacroAssembler* masm,
+                                     JSObject* object,
+                                     JSObject* holder,
+                                     Register receiver,
+                                     Register scratch1,
+                                     Register scratch2,
+                                     int index,
+                                     Label* miss_label) {
+  // Check that the receiver isn't a smi.
+  __ test(receiver, Immediate(kSmiTagMask));
+  __ j(zero, miss_label, not_taken);
+
+  // Check that the maps haven't changed.
+  Register reg =
+      masm->CheckMaps(object, receiver, holder, scratch1, scratch2, miss_label);
+
+  // Get the value from the properties.
+  GenerateFastPropertyLoad(masm, eax, reg, holder, index);
+  __ ret(0);
+}
+
+
+void StubCompiler::GenerateLoadCallback(MacroAssembler* masm,
+                                        JSObject* object,
+                                        JSObject* holder,
+                                        Register receiver,
+                                        Register name,
+                                        Register scratch1,
+                                        Register scratch2,
+                                        AccessorInfo* callback,
+                                        Label* miss_label) {
+  // Check that the receiver isn't a smi.
+  __ test(receiver, Immediate(kSmiTagMask));
+  __ j(zero, miss_label, not_taken);
+
+  // Check that the maps haven't changed.
+  Register reg =
+      masm->CheckMaps(object, receiver, holder, scratch1, scratch2, miss_label);
+
+  // Push the arguments on the JS stack of the caller.
+  __ pop(scratch2);  // remove return address
+  __ push(receiver);  // receiver
+  __ push(Immediate(Handle<AccessorInfo>(callback)));  // callback data
+  __ push(name);  // name
+  __ push(reg);  // holder
+  __ push(scratch2);  // restore return address
+
+  // Do tail-call to the runtime system.
+  ExternalReference load_callback_property =
+      ExternalReference(IC_Utility(IC::kLoadCallbackProperty));
+  __ TailCallRuntime(load_callback_property, 4);
+}
+
+
+void StubCompiler::GenerateLoadConstant(MacroAssembler* masm,
+                                        JSObject* object,
+                                        JSObject* holder,
+                                        Register receiver,
+                                        Register scratch1,
+                                        Register scratch2,
+                                        Object* value,
+                                        Label* miss_label) {
+  // Check that the receiver isn't a smi.
+  __ test(receiver, Immediate(kSmiTagMask));
+  __ j(zero, miss_label, not_taken);
+
+  // Check that the maps haven't changed.
+  Register reg =
+      masm->CheckMaps(object, receiver, holder, scratch1, scratch2, miss_label);
+
+  // Return the constant value.
+  __ mov(eax, Handle<Object>(value));
+  __ ret(0);
+}
+
+
+void StubCompiler::GenerateLoadInterceptor(MacroAssembler* masm,
+                                           JSObject* object,
+                                           JSObject* holder,
+                                           Register receiver,
+                                           Register name,
+                                           Register scratch1,
+                                           Register scratch2,
+                                           Label* miss_label) {
+  // Check that the receiver isn't a smi.
+  __ test(receiver, Immediate(kSmiTagMask));
+  __ j(zero, miss_label, not_taken);
+
+  // Check that the maps haven't changed.
+  Register reg =
+      masm->CheckMaps(object, receiver, holder, scratch1, scratch2, miss_label);
+
+  // Push the arguments on the JS stack of the caller.
+  __ pop(scratch2);  // remove return address
+  __ push(receiver);  // receiver
+  __ push(reg);  // holder
+  __ push(name);  // name
+  __ push(scratch2);  // restore return address
+
+  // Do tail-call to the runtime system.
+  ExternalReference load_ic_property =
+      ExternalReference(IC_Utility(IC::kLoadInterceptorProperty));
+  __ TailCallRuntime(load_ic_property, 3);
+}
+
+
+void StubCompiler::GenerateLoadMiss(MacroAssembler* masm, Code::Kind kind) {
+  ASSERT(kind == Code::LOAD_IC || kind == Code::KEYED_LOAD_IC);
+  Code* code = NULL;
+  if (kind == Code::LOAD_IC) {
+    code = Builtins::builtin(Builtins::LoadIC_Miss);
+  } else {
+    code = Builtins::builtin(Builtins::KeyedLoadIC_Miss);
+  }
+
+  Handle<Code> ic(code);
+  __ jmp(ic, RelocInfo::CODE_TARGET);
+}
+
+
+void StubCompiler::GenerateStoreField(MacroAssembler* masm,
+                                      Builtins::Name storage_extend,
+                                      JSObject* object,
+                                      int index,
+                                      Map* transition,
+                                      Register receiver_reg,
+                                      Register name_reg,
+                                      Register scratch,
+                                      Label* miss_label) {
+  // Check that the object isn't a smi.
+  __ test(receiver_reg, Immediate(kSmiTagMask));
+  __ j(zero, miss_label, not_taken);
+
+  // Check that the map of the object hasn't changed.
+  __ cmp(FieldOperand(receiver_reg, HeapObject::kMapOffset),
+         Immediate(Handle<Map>(object->map())));
+  __ j(not_equal, miss_label, not_taken);
+
+  // Perform global security token check if needed.
+  if (object->IsJSGlobalProxy()) {
+    __ CheckAccessGlobalProxy(receiver_reg, scratch, miss_label);
+  }
+
+  // Stub never generated for non-global objects that require access
+  // checks.
+  ASSERT(object->IsJSGlobalProxy() || !object->IsAccessCheckNeeded());
+
+  // Perform map transition for the receiver if necessary.
+  if ((transition != NULL) && (object->map()->unused_property_fields() == 0)) {
+    // The properties must be extended before we can store the value.
+    // We jump to a runtime call that extends the properties array.
+    __ mov(ecx, Immediate(Handle<Map>(transition)));
+    Handle<Code> ic(Builtins::builtin(storage_extend));
+    __ jmp(ic, RelocInfo::CODE_TARGET);
+    return;
+  }
+
+  if (transition != NULL) {
+    // Update the map of the object; no write barrier updating is
+    // needed because the map is never in new space.
+    __ mov(FieldOperand(receiver_reg, HeapObject::kMapOffset),
+           Immediate(Handle<Map>(transition)));
+  }
+
+  // Adjust for the number of properties stored in the object. Even in the
+  // face of a transition we can use the old map here because the size of the
+  // object and the number of in-object properties is not going to change.
+  index -= object->map()->inobject_properties();
+
+  if (index < 0) {
+    // Set the property straight into the object.
+    int offset = object->map()->instance_size() + (index * kPointerSize);
+    __ mov(FieldOperand(receiver_reg, offset), eax);
+
+    // Update the write barrier for the array address.
+    // Pass the value being stored in the now unused name_reg.
+    __ mov(name_reg, Operand(eax));
+    __ RecordWrite(receiver_reg, offset, name_reg, scratch);
+  } else {
+    // Write to the properties array.
+    int offset = index * kPointerSize + Array::kHeaderSize;
+    // Get the properties array (optimistically).
+    __ mov(scratch, FieldOperand(receiver_reg, JSObject::kPropertiesOffset));
+    __ mov(FieldOperand(scratch, offset), eax);
+
+    // Update the write barrier for the array address.
+    // Pass the value being stored in the now unused name_reg.
+    __ mov(name_reg, Operand(eax));
+    __ RecordWrite(scratch, offset, name_reg, receiver_reg);
+  }
+
+  // Return the value (register eax).
+  __ ret(0);
+}
+
+
+#undef __
+
+#define __ ACCESS_MASM(masm())
+
+
+// TODO(1241006): Avoid having lazy compile stubs specialized by the
+// number of arguments. It is not needed anymore.
+Object* StubCompiler::CompileLazyCompile(Code::Flags flags) {
+  // Enter an internal frame.
+  __ EnterInternalFrame();
+
+  // Push a copy of the function onto the stack.
+  __ push(edi);
+
+  __ push(edi);  // function is also the parameter to the runtime call
+  __ CallRuntime(Runtime::kLazyCompile, 1);
+  __ pop(edi);
+
+  // Tear down temporary frame.
+  __ LeaveInternalFrame();
+
+  // Do a tail-call of the compiled function.
+  __ lea(ecx, FieldOperand(eax, Code::kHeaderSize));
+  __ jmp(Operand(ecx));
+
+  return GetCodeWithFlags(flags, "LazyCompileStub");
+}
+
+
+Object* CallStubCompiler::CompileCallField(Object* object,
+                                           JSObject* holder,
+                                           int index,
+                                           String* name) {
+  // ----------- S t a t e -------------
+  // -----------------------------------
+  Label miss;
+
+  // Get the receiver from the stack.
+  const int argc = arguments().immediate();
+  __ mov(edx, Operand(esp, (argc + 1) * kPointerSize));
+
+  // Check that the receiver isn't a smi.
+  __ test(edx, Immediate(kSmiTagMask));
+  __ j(zero, &miss, not_taken);
+
+  // Do the right check and compute the holder register.
+  Register reg =
+      masm()->CheckMaps(JSObject::cast(object), edx, holder, ebx, ecx, &miss);
+
+  GenerateFastPropertyLoad(masm(), edi, reg, holder, index);
+
+  // Check that the function really is a function.
+  __ test(edi, Immediate(kSmiTagMask));
+  __ j(zero, &miss, not_taken);
+  __ CmpObjectType(edi, JS_FUNCTION_TYPE, ebx);
+  __ j(not_equal, &miss, not_taken);
+
+  // Patch the receiver on the stack with the global proxy if
+  // necessary.
+  if (object->IsGlobalObject()) {
+    __ mov(edx, FieldOperand(edx, GlobalObject::kGlobalReceiverOffset));
+    __ mov(Operand(esp, (argc + 1) * kPointerSize), edx);
+  }
+
+  // Invoke the function.
+  __ InvokeFunction(edi, arguments(), JUMP_FUNCTION);
+
+  // Handle call cache miss.
+  __ bind(&miss);
+  Handle<Code> ic = ComputeCallMiss(arguments().immediate());
+  __ jmp(ic, RelocInfo::CODE_TARGET);
+
+  // Return the generated code.
+  return GetCode(FIELD, name);
+}
+
+
+Object* CallStubCompiler::CompileCallConstant(Object* object,
+                                              JSObject* holder,
+                                              JSFunction* function,
+                                              CheckType check) {
+  // ----------- S t a t e -------------
+  // -----------------------------------
+  Label miss;
+
+  // Get the receiver from the stack.
+  const int argc = arguments().immediate();
+  __ mov(edx, Operand(esp, (argc + 1) * kPointerSize));
+
+  // Check that the receiver isn't a smi.
+  if (check != NUMBER_CHECK) {
+    __ test(edx, Immediate(kSmiTagMask));
+    __ j(zero, &miss, not_taken);
+  }
+
+  // Make sure that it's okay not to patch the on stack receiver
+  // unless we're doing a receiver map check.
+  ASSERT(!object->IsGlobalObject() || check == RECEIVER_MAP_CHECK);
+
+  switch (check) {
+    case RECEIVER_MAP_CHECK:
+      // Check that the maps haven't changed.
+      __ CheckMaps(JSObject::cast(object), edx, holder, ebx, ecx, &miss);
+
+      // Patch the receiver on the stack with the global proxy if
+      // necessary.
+      if (object->IsGlobalObject()) {
+        __ mov(edx, FieldOperand(edx, GlobalObject::kGlobalReceiverOffset));
+        __ mov(Operand(esp, (argc + 1) * kPointerSize), edx);
+      }
+      break;
+
+    case STRING_CHECK:
+      // Check that the object is a two-byte string or a symbol.
+      __ mov(ecx, FieldOperand(edx, HeapObject::kMapOffset));
+      __ movzx_b(ecx, FieldOperand(ecx, Map::kInstanceTypeOffset));
+      __ cmp(ecx, FIRST_NONSTRING_TYPE);
+      __ j(above_equal, &miss, not_taken);
+      // Check that the maps starting from the prototype haven't changed.
+      GenerateLoadGlobalFunctionPrototype(masm(),
+                                          Context::STRING_FUNCTION_INDEX,
+                                          ecx);
+      __ CheckMaps(JSObject::cast(object->GetPrototype()),
+                   ecx, holder, ebx, edx, &miss);
+      break;
+
+    case NUMBER_CHECK: {
+      Label fast;
+      // Check that the object is a smi or a heap number.
+      __ test(edx, Immediate(kSmiTagMask));
+      __ j(zero, &fast, taken);
+      __ CmpObjectType(edx, HEAP_NUMBER_TYPE, ecx);
+      __ j(not_equal, &miss, not_taken);
+      __ bind(&fast);
+      // Check that the maps starting from the prototype haven't changed.
+      GenerateLoadGlobalFunctionPrototype(masm(),
+                                          Context::NUMBER_FUNCTION_INDEX,
+                                          ecx);
+      __ CheckMaps(JSObject::cast(object->GetPrototype()),
+                   ecx, holder, ebx, edx, &miss);
+      break;
+    }
+
+    case BOOLEAN_CHECK: {
+      Label fast;
+      // Check that the object is a boolean.
+      __ cmp(edx, Factory::true_value());
+      __ j(equal, &fast, taken);
+      __ cmp(edx, Factory::false_value());
+      __ j(not_equal, &miss, not_taken);
+      __ bind(&fast);
+      // Check that the maps starting from the prototype haven't changed.
+      GenerateLoadGlobalFunctionPrototype(masm(),
+                                          Context::BOOLEAN_FUNCTION_INDEX,
+                                          ecx);
+      __ CheckMaps(JSObject::cast(object->GetPrototype()),
+                   ecx, holder, ebx, edx, &miss);
+      break;
+    }
+
+    case JSARRAY_HAS_FAST_ELEMENTS_CHECK:
+      __ CheckMaps(JSObject::cast(object), edx, holder, ebx, ecx, &miss);
+      // Make sure object->elements()->map() != Heap::dictionary_array_map()
+      // Get the elements array of the object.
+      __ mov(ebx, FieldOperand(edx, JSObject::kElementsOffset));
+      // Check that the object is in fast mode (not dictionary).
+      __ cmp(FieldOperand(ebx, HeapObject::kMapOffset),
+             Immediate(Factory::hash_table_map()));
+      __ j(equal, &miss, not_taken);
+      break;
+
+    default:
+      UNREACHABLE();
+  }
+
+  // Get the function and setup the context.
+  __ mov(edi, Immediate(Handle<JSFunction>(function)));
+  __ mov(esi, FieldOperand(edi, JSFunction::kContextOffset));
+
+  // Jump to the cached code (tail call).
+  Handle<Code> code(function->code());
+  ParameterCount expected(function->shared()->formal_parameter_count());
+  __ InvokeCode(code, expected, arguments(),
+                RelocInfo::CODE_TARGET, JUMP_FUNCTION);
+
+  // Handle call cache miss.
+  __ bind(&miss);
+  Handle<Code> ic = ComputeCallMiss(arguments().immediate());
+  __ jmp(ic, RelocInfo::CODE_TARGET);
+
+  // Return the generated code.
+  String* function_name = NULL;
+  if (function->shared()->name()->IsString()) {
+    function_name = String::cast(function->shared()->name());
+  }
+  return GetCode(CONSTANT_FUNCTION, function_name);
+}
+
+
+Object* CallStubCompiler::CompileCallInterceptor(Object* object,
+                                                 JSObject* holder,
+                                                 String* name) {
+  // ----------- S t a t e -------------
+  // -----------------------------------
+  Label miss;
+
+  // Get the number of arguments.
+  const int argc = arguments().immediate();
+
+  // Get the receiver from the stack.
+  __ mov(edx, Operand(esp, (argc + 1) * kPointerSize));
+
+  // Check that the receiver isn't a smi.
+  __ test(edx, Immediate(kSmiTagMask));
+  __ j(zero, &miss, not_taken);
+
+  // Check that maps have not changed and compute the holder register.
+  Register reg =
+      masm()->CheckMaps(JSObject::cast(object), edx, holder, ebx, ecx, &miss);
+
+  // Enter an internal frame.
+  __ EnterInternalFrame();
+
+  // Push arguments on the expression stack.
+  __ push(edx);  // receiver
+  __ push(reg);  // holder
+  __ push(Operand(ebp, (argc + 3) * kPointerSize));  // name
+
+  // Perform call.
+  ExternalReference load_interceptor =
+      ExternalReference(IC_Utility(IC::kLoadInterceptorProperty));
+  __ mov(eax, Immediate(3));
+  __ mov(ebx, Immediate(load_interceptor));
+
+  CEntryStub stub;
+  __ CallStub(&stub);
+
+  // Move result to edi and restore receiver.
+  __ mov(edi, eax);
+  __ mov(edx, Operand(ebp, (argc + 2) * kPointerSize));  // receiver
+
+  // Exit frame.
+  __ LeaveInternalFrame();
+
+  // Check that the function really is a function.
+  __ test(edi, Immediate(kSmiTagMask));
+  __ j(zero, &miss, not_taken);
+  __ CmpObjectType(edi, JS_FUNCTION_TYPE, ebx);
+  __ j(not_equal, &miss, not_taken);
+
+  // Patch the receiver on the stack with the global proxy if
+  // necessary.
+  if (object->IsGlobalObject()) {
+    __ mov(edx, FieldOperand(edx, GlobalObject::kGlobalReceiverOffset));
+    __ mov(Operand(esp, (argc + 1) * kPointerSize), edx);
+  }
+
+  // Invoke the function.
+  __ InvokeFunction(edi, arguments(), JUMP_FUNCTION);
+
+  // Handle load cache miss.
+  __ bind(&miss);
+  Handle<Code> ic = ComputeCallMiss(argc);
+  __ jmp(ic, RelocInfo::CODE_TARGET);
+
+  // Return the generated code.
+  return GetCode(INTERCEPTOR, name);
+}
+
+
+Object* StoreStubCompiler::CompileStoreField(JSObject* object,
+                                             int index,
+                                             Map* transition,
+                                             String* name) {
+  // ----------- S t a t e -------------
+  //  -- eax    : value
+  //  -- ecx    : name
+  //  -- esp[0] : return address
+  //  -- esp[4] : receiver
+  // -----------------------------------
+  Label miss;
+
+  // Get the object from the stack.
+  __ mov(ebx, Operand(esp, 1 * kPointerSize));
+
+  // Generate store field code.  Trashes the name register.
+  GenerateStoreField(masm(),
+                     Builtins::StoreIC_ExtendStorage,
+                     object,
+                     index,
+                     transition,
+                     ebx, ecx, edx,
+                     &miss);
+
+  // Handle store cache miss.
+  __ bind(&miss);
+  __ mov(ecx, Immediate(Handle<String>(name)));  // restore name
+  Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_Miss));
+  __ jmp(ic, RelocInfo::CODE_TARGET);
+
+  // Return the generated code.
+  return GetCode(transition == NULL ? FIELD : MAP_TRANSITION, name);
+}
+
+
+Object* StoreStubCompiler::CompileStoreCallback(JSObject* object,
+                                                AccessorInfo* callback,
+                                                String* name) {
+  // ----------- S t a t e -------------
+  //  -- eax    : value
+  //  -- ecx    : name
+  //  -- esp[0] : return address
+  //  -- esp[4] : receiver
+  // -----------------------------------
+  Label miss;
+
+  // Get the object from the stack.
+  __ mov(ebx, Operand(esp, 1 * kPointerSize));
+
+  // Check that the object isn't a smi.
+  __ test(ebx, Immediate(kSmiTagMask));
+  __ j(zero, &miss, not_taken);
+
+  // Check that the map of the object hasn't changed.
+  __ cmp(FieldOperand(ebx, HeapObject::kMapOffset),
+         Immediate(Handle<Map>(object->map())));
+  __ j(not_equal, &miss, not_taken);
+
+  // Perform global security token check if needed.
+  if (object->IsJSGlobalProxy()) {
+    __ CheckAccessGlobalProxy(ebx, edx, &miss);
+  }
+
+  // Stub never generated for non-global objects that require access
+  // checks.
+  ASSERT(object->IsJSGlobalProxy() || !object->IsAccessCheckNeeded());
+
+  __ pop(ebx);  // remove the return address
+  __ push(Operand(esp, 0));  // receiver
+  __ push(Immediate(Handle<AccessorInfo>(callback)));  // callback info
+  __ push(ecx);  // name
+  __ push(eax);  // value
+  __ push(ebx);  // restore return address
+
+  // Do tail-call to the runtime system.
+  ExternalReference store_callback_property =
+      ExternalReference(IC_Utility(IC::kStoreCallbackProperty));
+  __ TailCallRuntime(store_callback_property, 4);
+
+  // Handle store cache miss.
+  __ bind(&miss);
+  __ mov(ecx, Immediate(Handle<String>(name)));  // restore name
+  Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_Miss));
+  __ jmp(ic, RelocInfo::CODE_TARGET);
+
+  // Return the generated code.
+  return GetCode(CALLBACKS, name);
+}
+
+
+Object* StoreStubCompiler::CompileStoreInterceptor(JSObject* receiver,
+                                                   String* name) {
+  // ----------- S t a t e -------------
+  //  -- eax    : value
+  //  -- ecx    : name
+  //  -- esp[0] : return address
+  //  -- esp[4] : receiver
+  // -----------------------------------
+  Label miss;
+
+  // Get the object from the stack.
+  __ mov(ebx, Operand(esp, 1 * kPointerSize));
+
+  // Check that the object isn't a smi.
+  __ test(ebx, Immediate(kSmiTagMask));
+  __ j(zero, &miss, not_taken);
+
+  // Check that the map of the object hasn't changed.
+  __ cmp(FieldOperand(ebx, HeapObject::kMapOffset),
+         Immediate(Handle<Map>(receiver->map())));
+  __ j(not_equal, &miss, not_taken);
+
+  // Perform global security token check if needed.
+  if (receiver->IsJSGlobalProxy()) {
+    __ CheckAccessGlobalProxy(ebx, edx, &miss);
+  }
+
+  // Stub never generated for non-global objects that require access
+  // checks.
+  ASSERT(receiver->IsJSGlobalProxy() || !receiver->IsAccessCheckNeeded());
+
+  __ pop(ebx);  // remove the return address
+  __ push(Operand(esp, 0));  // receiver
+  __ push(ecx);  // name
+  __ push(eax);  // value
+  __ push(ebx);  // restore return address
+
+  // Do tail-call to the runtime system.
+  ExternalReference store_ic_property =
+      ExternalReference(IC_Utility(IC::kStoreInterceptorProperty));
+  __ TailCallRuntime(store_ic_property, 3);
+
+  // Handle store cache miss.
+  __ bind(&miss);
+  __ mov(ecx, Immediate(Handle<String>(name)));  // restore name
+  Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_Miss));
+  __ jmp(ic, RelocInfo::CODE_TARGET);
+
+  // Return the generated code.
+  return GetCode(INTERCEPTOR, name);
+}
+
+
+Object* KeyedStoreStubCompiler::CompileStoreField(JSObject* object,
+                                                  int index,
+                                                  Map* transition,
+                                                  String* name) {
+  // ----------- S t a t e -------------
+  //  -- eax    : value
+  //  -- esp[0] : return address
+  //  -- esp[4] : key
+  //  -- esp[8] : receiver
+  // -----------------------------------
+  Label miss;
+
+  __ IncrementCounter(&Counters::keyed_store_field, 1);
+
+  // Get the name from the stack.
+  __ mov(ecx, Operand(esp, 1 * kPointerSize));
+  // Check that the name has not changed.
+  __ cmp(Operand(ecx), Immediate(Handle<String>(name)));
+  __ j(not_equal, &miss, not_taken);
+
+  // Get the object from the stack.
+  __ mov(ebx, Operand(esp, 2 * kPointerSize));
+
+  // Generate store field code.  Trashes the name register.
+  GenerateStoreField(masm(),
+                     Builtins::KeyedStoreIC_ExtendStorage,
+                     object,
+                     index,
+                     transition,
+                     ebx, ecx, edx,
+                     &miss);
+
+  // Handle store cache miss.
+  __ bind(&miss);
+  __ DecrementCounter(&Counters::keyed_store_field, 1);
+  Handle<Code> ic(Builtins::builtin(Builtins::KeyedStoreIC_Miss));
+  __ jmp(ic, RelocInfo::CODE_TARGET);
+
+  // Return the generated code.
+  return GetCode(transition == NULL ? FIELD : MAP_TRANSITION, name);
+}
+
+
+Object* LoadStubCompiler::CompileLoadField(JSObject* object,
+                                           JSObject* holder,
+                                           int index,
+                                           String* name) {
+  // ----------- S t a t e -------------
+  //  -- ecx    : name
+  //  -- esp[0] : return address
+  //  -- esp[4] : receiver
+  // -----------------------------------
+  Label miss;
+
+  __ mov(eax, (Operand(esp, kPointerSize)));
+  GenerateLoadField(masm(), object, holder, eax, ebx, edx, index, &miss);
+  __ bind(&miss);
+  GenerateLoadMiss(masm(), Code::LOAD_IC);
+
+  // Return the generated code.
+  return GetCode(FIELD, name);
+}
+
+
+Object* LoadStubCompiler::CompileLoadCallback(JSObject* object,
+                                              JSObject* holder,
+                                              AccessorInfo* callback,
+                                              String* name) {
+  // ----------- S t a t e -------------
+  //  -- ecx    : name
+  //  -- esp[0] : return address
+  //  -- esp[4] : receiver
+  // -----------------------------------
+  Label miss;
+
+  __ mov(eax, (Operand(esp, kPointerSize)));
+  GenerateLoadCallback(masm(), object, holder, eax, ecx, ebx,
+                       edx, callback, &miss);
+  __ bind(&miss);
+  GenerateLoadMiss(masm(), Code::LOAD_IC);
+
+  // Return the generated code.
+  return GetCode(CALLBACKS, name);
+}
+
+
+Object* LoadStubCompiler::CompileLoadConstant(JSObject* object,
+                                              JSObject* holder,
+                                              Object* value,
+                                              String* name) {
+  // ----------- S t a t e -------------
+  //  -- ecx    : name
+  //  -- esp[0] : return address
+  //  -- esp[4] : receiver
+  // -----------------------------------
+  Label miss;
+
+  __ mov(eax, (Operand(esp, kPointerSize)));
+  GenerateLoadConstant(masm(), object, holder, eax, ebx, edx, value, &miss);
+  __ bind(&miss);
+  GenerateLoadMiss(masm(), Code::LOAD_IC);
+
+  // Return the generated code.
+  return GetCode(CONSTANT_FUNCTION, name);
+}
+
+
+Object* LoadStubCompiler::CompileLoadInterceptor(JSObject* receiver,
+                                                 JSObject* holder,
+                                                 String* name) {
+  // ----------- S t a t e -------------
+  //  -- ecx    : name
+  //  -- esp[0] : return address
+  //  -- esp[4] : receiver
+  // -----------------------------------
+  Label miss;
+
+  __ mov(eax, (Operand(esp, kPointerSize)));
+  GenerateLoadInterceptor(masm(), receiver, holder, eax, ecx, edx, ebx, &miss);
+  __ bind(&miss);
+  GenerateLoadMiss(masm(), Code::LOAD_IC);
+
+  // Return the generated code.
+  return GetCode(INTERCEPTOR, name);
+}
+
+
+Object* KeyedLoadStubCompiler::CompileLoadField(String* name,
+                                                JSObject* receiver,
+                                                JSObject* holder,
+                                                int index) {
+  // ----------- S t a t e -------------
+  //  -- esp[0] : return address
+  //  -- esp[4] : name
+  //  -- esp[8] : receiver
+  // -----------------------------------
+  Label miss;
+
+  __ mov(eax, (Operand(esp, kPointerSize)));
+  __ mov(ecx, (Operand(esp, 2 * kPointerSize)));
+  __ IncrementCounter(&Counters::keyed_load_field, 1);
+
+  // Check that the name has not changed.
+  __ cmp(Operand(eax), Immediate(Handle<String>(name)));
+  __ j(not_equal, &miss, not_taken);
+
+  GenerateLoadField(masm(), receiver, holder, ecx, ebx, edx, index, &miss);
+  __ bind(&miss);
+  __ DecrementCounter(&Counters::keyed_load_field, 1);
+  GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC);
+
+  // Return the generated code.
+  return GetCode(FIELD, name);
+}
+
+
+Object* KeyedLoadStubCompiler::CompileLoadCallback(String* name,
+                                                   JSObject* receiver,
+                                                   JSObject* holder,
+                                                   AccessorInfo* callback) {
+  // ----------- S t a t e -------------
+  //  -- esp[0] : return address
+  //  -- esp[4] : name
+  //  -- esp[8] : receiver
+  // -----------------------------------
+  Label miss;
+
+  __ mov(eax, (Operand(esp, kPointerSize)));
+  __ mov(ecx, (Operand(esp, 2 * kPointerSize)));
+  __ IncrementCounter(&Counters::keyed_load_callback, 1);
+
+  // Check that the name has not changed.
+  __ cmp(Operand(eax), Immediate(Handle<String>(name)));
+  __ j(not_equal, &miss, not_taken);
+
+  GenerateLoadCallback(masm(), receiver, holder, ecx, eax, ebx, edx,
+                       callback, &miss);
+  __ bind(&miss);
+  __ DecrementCounter(&Counters::keyed_load_callback, 1);
+  GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC);
+
+  // Return the generated code.
+  return GetCode(CALLBACKS, name);
+}
+
+
+Object* KeyedLoadStubCompiler::CompileLoadConstant(String* name,
+                                                   JSObject* receiver,
+                                                   JSObject* holder,
+                                                   Object* value) {
+  // ----------- S t a t e -------------
+  //  -- esp[0] : return address
+  //  -- esp[4] : name
+  //  -- esp[8] : receiver
+  // -----------------------------------
+  Label miss;
+
+  __ mov(eax, (Operand(esp, kPointerSize)));
+  __ mov(ecx, (Operand(esp, 2 * kPointerSize)));
+  __ IncrementCounter(&Counters::keyed_load_constant_function, 1);
+
+  // Check that the name has not changed.
+  __ cmp(Operand(eax), Immediate(Handle<String>(name)));
+  __ j(not_equal, &miss, not_taken);
+
+  GenerateLoadConstant(masm(), receiver, holder, ecx, ebx, edx, value, &miss);
+  __ bind(&miss);
+  __ DecrementCounter(&Counters::keyed_load_constant_function, 1);
+  GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC);
+
+  // Return the generated code.
+  return GetCode(CONSTANT_FUNCTION, name);
+}
+
+
+Object* KeyedLoadStubCompiler::CompileLoadInterceptor(JSObject* receiver,
+                                                      JSObject* holder,
+                                                      String* name) {
+  // ----------- S t a t e -------------
+  //  -- esp[0] : return address
+  //  -- esp[4] : name
+  //  -- esp[8] : receiver
+  // -----------------------------------
+  Label miss;
+
+  __ mov(eax, (Operand(esp, kPointerSize)));
+  __ mov(ecx, (Operand(esp, 2 * kPointerSize)));
+  __ IncrementCounter(&Counters::keyed_load_interceptor, 1);
+
+  // Check that the name has not changed.
+  __ cmp(Operand(eax), Immediate(Handle<String>(name)));
+  __ j(not_equal, &miss, not_taken);
+
+  GenerateLoadInterceptor(masm(), receiver, holder, ecx, eax, edx, ebx, &miss);
+  __ bind(&miss);
+  __ DecrementCounter(&Counters::keyed_load_interceptor, 1);
+  GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC);
+
+  // Return the generated code.
+  return GetCode(INTERCEPTOR, name);
+}
+
+
+
+
+Object* KeyedLoadStubCompiler::CompileLoadArrayLength(String* name) {
+  // ----------- S t a t e -------------
+  //  -- esp[0] : return address
+  //  -- esp[4] : name
+  //  -- esp[8] : receiver
+  // -----------------------------------
+  Label miss;
+
+  __ mov(eax, (Operand(esp, kPointerSize)));
+  __ mov(ecx, (Operand(esp, 2 * kPointerSize)));
+  __ IncrementCounter(&Counters::keyed_load_array_length, 1);
+
+  // Check that the name has not changed.
+  __ cmp(Operand(eax), Immediate(Handle<String>(name)));
+  __ j(not_equal, &miss, not_taken);
+
+  GenerateLoadArrayLength(masm(), ecx, edx, &miss);
+  __ bind(&miss);
+  __ DecrementCounter(&Counters::keyed_load_array_length, 1);
+  GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC);
+
+  // Return the generated code.
+  return GetCode(CALLBACKS, name);
+}
+
+
+Object* KeyedLoadStubCompiler::CompileLoadStringLength(String* name) {
+  // ----------- S t a t e -------------
+  //  -- esp[0] : return address
+  //  -- esp[4] : name
+  //  -- esp[8] : receiver
+  // -----------------------------------
+  Label miss;
+
+  __ mov(eax, (Operand(esp, kPointerSize)));
+  __ mov(ecx, (Operand(esp, 2 * kPointerSize)));
+  __ IncrementCounter(&Counters::keyed_load_string_length, 1);
+
+  // Check that the name has not changed.
+  __ cmp(Operand(eax), Immediate(Handle<String>(name)));
+  __ j(not_equal, &miss, not_taken);
+
+  GenerateLoadStringLength(masm(), ecx, edx, &miss);
+  __ bind(&miss);
+  __ DecrementCounter(&Counters::keyed_load_string_length, 1);
+  GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC);
+
+  // Return the generated code.
+  return GetCode(CALLBACKS, name);
+}
+
+
+Object* KeyedLoadStubCompiler::CompileLoadFunctionPrototype(String* name) {
+  // ----------- S t a t e -------------
+  //  -- esp[0] : return address
+  //  -- esp[4] : name
+  //  -- esp[8] : receiver
+  // -----------------------------------
+  Label miss;
+
+  __ mov(eax, (Operand(esp, kPointerSize)));
+  __ mov(ecx, (Operand(esp, 2 * kPointerSize)));
+  __ IncrementCounter(&Counters::keyed_load_function_prototype, 1);
+
+  // Check that the name has not changed.
+  __ cmp(Operand(eax), Immediate(Handle<String>(name)));
+  __ j(not_equal, &miss, not_taken);
+
+  GenerateLoadFunctionPrototype(masm(), ecx, edx, ebx, &miss);
+  __ bind(&miss);
+  __ DecrementCounter(&Counters::keyed_load_function_prototype, 1);
+  GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC);
+
+  // Return the generated code.
+  return GetCode(CALLBACKS, name);
+}
+
+
+#undef __
+
+} }  // namespace v8::internal