Move backend specific files to separate directories.

src/ic-ia32.cc

Index: src/ic-ia32.cc
diff --git a/src/ic-ia32.cc b/src/ic-ia32.cc
deleted file mode 100644
index 664303f43c208d5122d0edf2c2054dd3bc61720d..0000000000000000000000000000000000000000
--- a/src/ic-ia32.cc
+++ /dev/null
@@ -1,910 +0,0 @@
-// 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 "codegen-inl.h"
-#include "ic-inl.h"
-#include "runtime.h"
-#include "stub-cache.h"
-
-namespace v8 { namespace internal {
-
-// ----------------------------------------------------------------------------
-// Static IC stub generators.
-//
-
-#define __ ACCESS_MASM(masm)
-
-
-// Helper function used to load a property from a dictionary backing storage.
-static void GenerateDictionaryLoad(MacroAssembler* masm, Label* miss_label,
-                                   Register r0, Register r1, Register r2,
-                                   Register name) {
-  // Register use:
-  //
-  // r0   - used to hold the property dictionary.
-  //
-  // r1   - initially the receiver
-  //      - used for the index into the property dictionary
-  //      - holds the result on exit.
-  //
-  // r2   - used to hold the capacity of the property dictionary.
-  //
-  // name - holds the name of the property and is unchanges.
-
-  Label done;
-
-  // Check for the absence of an interceptor.
-  // Load the map into r0.
-  __ mov(r0, FieldOperand(r1, JSObject::kMapOffset));
-  // Test the has_named_interceptor bit in the map.
-  __ test(FieldOperand(r0, Map::kInstanceAttributesOffset),
-          Immediate(1 << (Map::kHasNamedInterceptor + (3 * 8))));
-  // Jump to miss if the interceptor bit is set.
-  __ j(not_zero, miss_label, not_taken);
-
-  // Check that the properties array is a dictionary.
-  __ mov(r0, FieldOperand(r1, JSObject::kPropertiesOffset));
-  __ cmp(FieldOperand(r0, HeapObject::kMapOffset),
-         Immediate(Factory::hash_table_map()));
-  __ j(not_equal, miss_label);
-
-  // Compute the capacity mask.
-  const int kCapacityOffset =
-      Array::kHeaderSize + Dictionary::kCapacityIndex * kPointerSize;
-  __ mov(r2, FieldOperand(r0, kCapacityOffset));
-  __ shr(r2, kSmiTagSize);  // convert smi to int
-  __ dec(r2);
-
-  // Generate an unrolled loop that performs a few probes before
-  // giving up. Measurements done on Gmail indicate that 2 probes
-  // cover ~93% of loads from dictionaries.
-  static const int kProbes = 4;
-  const int kElementsStartOffset =
-      Array::kHeaderSize + Dictionary::kElementsStartIndex * kPointerSize;
-  for (int i = 0; i < kProbes; i++) {
-    // Compute the masked index: (hash + i + i * i) & mask.
-    __ mov(r1, FieldOperand(name, String::kLengthOffset));
-    __ shr(r1, String::kHashShift);
-    if (i > 0) {
-      __ add(Operand(r1), Immediate(Dictionary::GetProbeOffset(i)));
-    }
-    __ and_(r1, Operand(r2));
-
-    // Scale the index by multiplying by the element size.
-    ASSERT(Dictionary::kElementSize == 3);
-    __ lea(r1, Operand(r1, r1, times_2, 0));  // r1 = r1 * 3
-
-    // Check if the key is identical to the name.
-    __ cmp(name,
-           Operand(r0, r1, times_4, kElementsStartOffset - kHeapObjectTag));
-    if (i != kProbes - 1) {
-      __ j(equal, &done, taken);
-    } else {
-      __ j(not_equal, miss_label, not_taken);
-    }
-  }
-
-  // Check that the value is a normal property.
-  __ bind(&done);
-  const int kDetailsOffset = kElementsStartOffset + 2 * kPointerSize;
-  __ test(Operand(r0, r1, times_4, kDetailsOffset - kHeapObjectTag),
-          Immediate(PropertyDetails::TypeField::mask() << kSmiTagSize));
-  __ j(not_zero, miss_label, not_taken);
-
-  // Get the value at the masked, scaled index.
-  const int kValueOffset = kElementsStartOffset + kPointerSize;
-  __ mov(r1, Operand(r0, r1, times_4, kValueOffset - kHeapObjectTag));
-}
-
-
-// Helper function used to check that a value is either not a function
-// or is loaded if it is a function.
-static void GenerateCheckNonFunctionOrLoaded(MacroAssembler* masm, Label* miss,
-                                             Register value, Register scratch) {
-  Label done;
-  // Check if the value is a Smi.
-  __ test(value, Immediate(kSmiTagMask));
-  __ j(zero, &done, not_taken);
-  // Check if the value is a function.
-  __ CmpObjectType(value, JS_FUNCTION_TYPE, scratch);
-  __ j(not_equal, &done, taken);
-  // Check if the function has been loaded.
-  __ mov(scratch, FieldOperand(value, JSFunction::kSharedFunctionInfoOffset));
-  __ mov(scratch,
-         FieldOperand(scratch, SharedFunctionInfo::kLazyLoadDataOffset));
-  __ cmp(scratch, Factory::undefined_value());
-  __ j(not_equal, miss, not_taken);
-  __ bind(&done);
-}
-
-
-void LoadIC::GenerateArrayLength(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- ecx    : name
-  //  -- esp[0] : return address
-  //  -- esp[4] : receiver
-  // -----------------------------------
-
-  Label miss;
-
-  __ mov(eax, Operand(esp, kPointerSize));
-
-  StubCompiler::GenerateLoadArrayLength(masm, eax, edx, &miss);
-  __ bind(&miss);
-  StubCompiler::GenerateLoadMiss(masm, Code::LOAD_IC);
-}
-
-
-void LoadIC::GenerateStringLength(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- ecx    : name
-  //  -- esp[0] : return address
-  //  -- esp[4] : receiver
-  // -----------------------------------
-
-  Label miss;
-
-  __ mov(eax, Operand(esp, kPointerSize));
-
-  StubCompiler::GenerateLoadStringLength(masm, eax, edx, &miss);
-  __ bind(&miss);
-  StubCompiler::GenerateLoadMiss(masm, Code::LOAD_IC);
-}
-
-
-void LoadIC::GenerateFunctionPrototype(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- ecx    : name
-  //  -- esp[0] : return address
-  //  -- esp[4] : receiver
-  // -----------------------------------
-
-  Label miss;
-
-  __ mov(eax, Operand(esp, kPointerSize));
-
-  StubCompiler::GenerateLoadFunctionPrototype(masm, eax, edx, ebx, &miss);
-  __ bind(&miss);
-  StubCompiler::GenerateLoadMiss(masm, Code::LOAD_IC);
-}
-
-
-#ifdef DEBUG
-// For use in assert below.
-static int TenToThe(int exponent) {
-  ASSERT(exponent <= 9);
-  ASSERT(exponent >= 1);
-  int answer = 10;
-  for (int i = 1; i < exponent; i++) answer *= 10;
-  return answer;
-}
-#endif
-
-
-void KeyedLoadIC::GenerateGeneric(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- esp[0] : return address
-  //  -- esp[4] : name
-  //  -- esp[8] : receiver
-  // -----------------------------------
-  Label slow, fast, check_string, index_int, index_string;
-
-  // Load name and receiver.
-  __ mov(eax, (Operand(esp, kPointerSize)));
-  __ mov(ecx, (Operand(esp, 2 * kPointerSize)));
-
-  // Check that the object isn't a smi.
-  __ test(ecx, Immediate(kSmiTagMask));
-  __ j(zero, &slow, not_taken);
-
-  // Get the map of the receiver.
-  __ mov(edx, FieldOperand(ecx, HeapObject::kMapOffset));
-  // Check that the receiver does not require access checks.  We need
-  // to check this explicitly since this generic stub does not perform
-  // map checks.
-  __ movzx_b(ebx, FieldOperand(edx, Map::kBitFieldOffset));
-  __ test(ebx, Immediate(1 << Map::kIsAccessCheckNeeded));
-  __ j(not_zero, &slow, not_taken);
-  // Check that the object is some kind of JS object EXCEPT JS Value type.
-  // In the case that the object is a value-wrapper object,
-  // we enter the runtime system to make sure that indexing
-  // into string objects work as intended.
-  ASSERT(JS_OBJECT_TYPE > JS_VALUE_TYPE);
-  __ movzx_b(edx, FieldOperand(edx, Map::kInstanceTypeOffset));
-  __ cmp(edx, JS_OBJECT_TYPE);
-  __ j(less, &slow, not_taken);
-  // Check that the key is a smi.
-  __ test(eax, Immediate(kSmiTagMask));
-  __ j(not_zero, &check_string, not_taken);
-  __ sar(eax, kSmiTagSize);
-  // Get the elements array of the object.
-  __ bind(&index_int);
-  __ mov(ecx, FieldOperand(ecx, JSObject::kElementsOffset));
-  // Check that the object is in fast mode (not dictionary).
-  __ cmp(FieldOperand(ecx, HeapObject::kMapOffset),
-         Immediate(Factory::hash_table_map()));
-  __ j(equal, &slow, not_taken);
-  // Check that the key (index) is within bounds.
-  __ cmp(eax, FieldOperand(ecx, Array::kLengthOffset));
-  __ j(below, &fast, taken);
-  // Slow case: Load name and receiver from stack and jump to runtime.
-  __ bind(&slow);
-  __ IncrementCounter(&Counters::keyed_load_generic_slow, 1);
-  KeyedLoadIC::Generate(masm, ExternalReference(Runtime::kKeyedGetProperty));
-  // Check if the key is a symbol that is not an array index.
-  __ bind(&check_string);
-  __ mov(ebx, FieldOperand(eax, String::kLengthOffset));
-  __ test(ebx, Immediate(String::kIsArrayIndexMask));
-  __ j(not_zero, &index_string, not_taken);
-  __ mov(ebx, FieldOperand(eax, HeapObject::kMapOffset));
-  __ movzx_b(ebx, FieldOperand(ebx, Map::kInstanceTypeOffset));
-  __ test(ebx, Immediate(kIsSymbolMask));
-  __ j(not_zero, &slow, not_taken);
-  // Probe the dictionary leaving result in ecx.
-  GenerateDictionaryLoad(masm, &slow, ebx, ecx, edx, eax);
-  GenerateCheckNonFunctionOrLoaded(masm, &slow, ecx, edx);
-  __ mov(eax, Operand(ecx));
-  __ IncrementCounter(&Counters::keyed_load_generic_symbol, 1);
-  __ ret(0);
-  // Array index string: If short enough use cache in length/hash field (ebx).
-  // We assert that there are enough bits in an int32_t after the hash shift
-  // bits have been subtracted to allow space for the length and the cached
-  // array index.
-  ASSERT(TenToThe(String::kMaxCachedArrayIndexLength) <
-         (1 << (String::kShortLengthShift - String::kHashShift)));
-  __ bind(&index_string);
-  const int kLengthFieldLimit =
-      (String::kMaxCachedArrayIndexLength + 1) << String::kShortLengthShift;
-  __ cmp(ebx, kLengthFieldLimit);
-  __ j(above_equal, &slow);
-  __ mov(eax, Operand(ebx));
-  __ and_(eax, (1 << String::kShortLengthShift) - 1);
-  __ shr(eax, String::kLongLengthShift);
-  __ jmp(&index_int);
-  // Fast case: Do the load.
-  __ bind(&fast);
-  __ mov(eax, Operand(ecx, eax, times_4, Array::kHeaderSize - kHeapObjectTag));
-  __ cmp(Operand(eax), Immediate(Factory::the_hole_value()));
-  // In case the loaded value is the_hole we have to consult GetProperty
-  // to ensure the prototype chain is searched.
-  __ j(equal, &slow, not_taken);
-  __ IncrementCounter(&Counters::keyed_load_generic_smi, 1);
-  __ ret(0);
-}
-
-
-void KeyedStoreIC::GenerateGeneric(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- eax    : value
-  //  -- esp[0] : return address
-  //  -- esp[4] : key
-  //  -- esp[8] : receiver
-  // -----------------------------------
-  Label slow, fast, array, extra;
-
-  // Get the receiver from the stack.
-  __ mov(edx, Operand(esp, 2 * kPointerSize));  // 2 ~ return address, key
-  // Check that the object isn't a smi.
-  __ test(edx, Immediate(kSmiTagMask));
-  __ j(zero, &slow, not_taken);
-  // Get the map from the receiver.
-  __ mov(ecx, FieldOperand(edx, HeapObject::kMapOffset));
-  // Check that the receiver does not require access checks.  We need
-  // to do this because this generic stub does not perform map checks.
-  __ movzx_b(ebx, FieldOperand(ecx, Map::kBitFieldOffset));
-  __ test(ebx, Immediate(1 << Map::kIsAccessCheckNeeded));
-  __ j(not_zero, &slow, not_taken);
-  // Get the key from the stack.
-  __ mov(ebx, Operand(esp, 1 * kPointerSize));  // 1 ~ return address
-  // Check that the key is a smi.
-  __ test(ebx, Immediate(kSmiTagMask));
-  __ j(not_zero, &slow, not_taken);
-  // Get the instance type from the map of the receiver.
-  __ movzx_b(ecx, FieldOperand(ecx, Map::kInstanceTypeOffset));
-  // Check if the object is a JS array or not.
-  __ cmp(ecx, JS_ARRAY_TYPE);
-  __ j(equal, &array);
-  // Check that the object is some kind of JS object.
-  __ cmp(ecx, FIRST_JS_OBJECT_TYPE);
-  __ j(less, &slow, not_taken);
-
-  // Object case: Check key against length in the elements array.
-  // eax: value
-  // edx: JSObject
-  // ebx: index (as a smi)
-  __ mov(ecx, FieldOperand(edx, JSObject::kElementsOffset));
-  // Check that the object is in fast mode (not dictionary).
-  __ cmp(FieldOperand(ecx, HeapObject::kMapOffset),
-         Immediate(Factory::hash_table_map()));
-  __ j(equal, &slow, not_taken);
-  // Untag the key (for checking against untagged length in the fixed array).
-  __ mov(edx, Operand(ebx));
-  __ sar(edx, kSmiTagSize);  // untag the index and use it for the comparison
-  __ cmp(edx, FieldOperand(ecx, Array::kLengthOffset));
-  // eax: value
-  // ecx: FixedArray
-  // ebx: index (as a smi)
-  __ j(below, &fast, taken);
-
-
-  // Slow case: Push extra copies of the arguments (3).
-  __ bind(&slow);
-  __ pop(ecx);
-  __ push(Operand(esp, 1 * kPointerSize));
-  __ push(Operand(esp, 1 * kPointerSize));
-  __ push(eax);
-  __ push(ecx);
-  // Do tail-call to runtime routine.
-  __ TailCallRuntime(ExternalReference(Runtime::kSetProperty), 3);
-
-
-  // Extra capacity case: Check if there is extra capacity to
-  // perform the store and update the length. Used for adding one
-  // element to the array by writing to array[array.length].
-  __ bind(&extra);
-  // eax: value
-  // edx: JSArray
-  // ecx: FixedArray
-  // ebx: index (as a smi)
-  // flags: compare (ebx, edx.length())
-  __ j(not_equal, &slow, not_taken);  // do not leave holes in the array
-  __ sar(ebx, kSmiTagSize);  // untag
-  __ cmp(ebx, FieldOperand(ecx, Array::kLengthOffset));
-  __ j(above_equal, &slow, not_taken);
-  // Restore tag and increment.
-  __ lea(ebx, Operand(ebx, times_2, 1 << kSmiTagSize));
-  __ mov(FieldOperand(edx, JSArray::kLengthOffset), ebx);
-  __ sub(Operand(ebx), Immediate(1 << kSmiTagSize));  // decrement ebx again
-  __ jmp(&fast);
-
-
-  // Array case: Get the length and the elements array from the JS
-  // array. Check that the array is in fast mode; if it is the
-  // length is always a smi.
-  __ bind(&array);
-  // eax: value
-  // edx: JSArray
-  // ebx: index (as a smi)
-  __ mov(ecx, FieldOperand(edx, JSObject::kElementsOffset));
-  __ cmp(FieldOperand(ecx, HeapObject::kMapOffset),
-         Immediate(Factory::hash_table_map()));
-  __ j(equal, &slow, not_taken);
-
-  // Check the key against the length in the array, compute the
-  // address to store into and fall through to fast case.
-  __ cmp(ebx, FieldOperand(edx, JSArray::kLengthOffset));
-  __ j(above_equal, &extra, not_taken);
-
-
-  // Fast case: Do the store.
-  __ bind(&fast);
-  // eax: value
-  // ecx: FixedArray
-  // ebx: index (as a smi)
-  __ mov(Operand(ecx, ebx, times_2, Array::kHeaderSize - kHeapObjectTag), eax);
-  // Update write barrier for the elements array address.
-  __ mov(edx, Operand(eax));
-  __ RecordWrite(ecx, 0, edx, ebx);
-  __ ret(0);
-}
-
-
-// Defined in ic.cc.
-Object* CallIC_Miss(Arguments args);
-
-void CallIC::GenerateMegamorphic(MacroAssembler* masm, int argc) {
-  // ----------- S t a t e -------------
-  // -----------------------------------
-  Label number, non_number, non_string, boolean, probe, miss;
-
-  // Get the receiver of the function from the stack; 1 ~ return address.
-  __ mov(edx, Operand(esp, (argc + 1) * kPointerSize));
-  // Get the name of the function from the stack; 2 ~ return address, receiver
-  __ mov(ecx, Operand(esp, (argc + 2) * kPointerSize));
-
-  // Probe the stub cache.
-  Code::Flags flags =
-      Code::ComputeFlags(Code::CALL_IC, MONOMORPHIC, NORMAL, argc);
-  StubCache::GenerateProbe(masm, flags, edx, ecx, ebx);
-
-  // If the stub cache probing failed, the receiver might be a value.
-  // For value objects, we use the map of the prototype objects for
-  // the corresponding JSValue for the cache and that is what we need
-  // to probe.
-  //
-  // Check for number.
-  __ test(edx, Immediate(kSmiTagMask));
-  __ j(zero, &number, not_taken);
-  __ CmpObjectType(edx, HEAP_NUMBER_TYPE, ebx);
-  __ j(not_equal, &non_number, taken);
-  __ bind(&number);
-  StubCompiler::GenerateLoadGlobalFunctionPrototype(
-      masm, Context::NUMBER_FUNCTION_INDEX, edx);
-  __ jmp(&probe);
-
-  // Check for string.
-  __ bind(&non_number);
-  __ cmp(ebx, FIRST_NONSTRING_TYPE);
-  __ j(above_equal, &non_string, taken);
-  StubCompiler::GenerateLoadGlobalFunctionPrototype(
-      masm, Context::STRING_FUNCTION_INDEX, edx);
-  __ jmp(&probe);
-
-  // Check for boolean.
-  __ bind(&non_string);
-  __ cmp(edx, Factory::true_value());
-  __ j(equal, &boolean, not_taken);
-  __ cmp(edx, Factory::false_value());
-  __ j(not_equal, &miss, taken);
-  __ bind(&boolean);
-  StubCompiler::GenerateLoadGlobalFunctionPrototype(
-      masm, Context::BOOLEAN_FUNCTION_INDEX, edx);
-
-  // Probe the stub cache for the value object.
-  __ bind(&probe);
-  StubCache::GenerateProbe(masm, flags, edx, ecx, ebx);
-
-  // Cache miss: Jump to runtime.
-  __ bind(&miss);
-  Generate(masm, argc, ExternalReference(IC_Utility(kCallIC_Miss)));
-}
-
-
-static void GenerateNormalHelper(MacroAssembler* masm,
-                                 int argc,
-                                 bool is_global_object,
-                                 Label* miss) {
-  // Search dictionary - put result in register edx.
-  GenerateDictionaryLoad(masm, miss, eax, edx, ebx, ecx);
-
-  // Move the result to register edi and check that it isn't a smi.
-  __ mov(edi, Operand(edx));
-  __ test(edx, Immediate(kSmiTagMask));
-  __ j(zero, miss, not_taken);
-
-  // Check that the value is a JavaScript function.
-  __ CmpObjectType(edx, JS_FUNCTION_TYPE, edx);
-  __ j(not_equal, miss, not_taken);
-
-  // Check that the function has been loaded.
-  __ mov(edx, FieldOperand(edi, JSFunction::kSharedFunctionInfoOffset));
-  __ mov(edx, FieldOperand(edx, SharedFunctionInfo::kLazyLoadDataOffset));
-  __ cmp(edx, Factory::undefined_value());
-  __ j(not_equal, miss, not_taken);
-
-  // Patch the receiver with the global proxy if necessary.
-  if (is_global_object) {
-    __ mov(edx, Operand(esp, (argc + 1) * kPointerSize));
-    __ mov(edx, FieldOperand(edx, GlobalObject::kGlobalReceiverOffset));
-    __ mov(Operand(esp, (argc + 1) * kPointerSize), edx);
-  }
-
-  // Invoke the function.
-  ParameterCount actual(argc);
-  __ InvokeFunction(edi, actual, JUMP_FUNCTION);
-}
-
-
-void CallIC::GenerateNormal(MacroAssembler* masm, int argc) {
-  // ----------- S t a t e -------------
-  // -----------------------------------
-
-  Label miss, global_object, non_global_object;
-
-  // Get the receiver of the function from the stack; 1 ~ return address.
-  __ mov(edx, Operand(esp, (argc + 1) * kPointerSize));
-  // Get the name of the function from the stack; 2 ~ return address, receiver.
-  __ mov(ecx, Operand(esp, (argc + 2) * kPointerSize));
-
-  // Check that the receiver isn't a smi.
-  __ test(edx, Immediate(kSmiTagMask));
-  __ j(zero, &miss, not_taken);
-
-  // Check that the receiver is a valid JS object.
-  __ mov(ebx, FieldOperand(edx, HeapObject::kMapOffset));
-  __ movzx_b(eax, FieldOperand(ebx, Map::kInstanceTypeOffset));
-  __ cmp(eax, FIRST_JS_OBJECT_TYPE);
-  __ j(less, &miss, not_taken);
-
-  // If this assert fails, we have to check upper bound too.
-  ASSERT(LAST_TYPE == JS_FUNCTION_TYPE);
-
-  // Check for access to global object.
-  __ cmp(eax, JS_GLOBAL_OBJECT_TYPE);
-  __ j(equal, &global_object);
-  __ cmp(eax, JS_BUILTINS_OBJECT_TYPE);
-  __ j(not_equal, &non_global_object);
-
-  // Accessing global object: Load and invoke.
-  __ bind(&global_object);
-  // Check that the global object does not require access checks.
-  __ movzx_b(ebx, FieldOperand(ebx, Map::kBitFieldOffset));
-  __ test(ebx, Immediate(1 << Map::kIsAccessCheckNeeded));
-  __ j(not_equal, &miss, not_taken);
-  GenerateNormalHelper(masm, argc, true, &miss);
-
-  // Accessing non-global object: Check for access to global proxy.
-  Label global_proxy, invoke;
-  __ bind(&non_global_object);
-  __ cmp(eax, JS_GLOBAL_PROXY_TYPE);
-  __ j(equal, &global_proxy, not_taken);
-  // Check that the non-global, non-global-proxy object does not
-  // require access checks.
-  __ movzx_b(ebx, FieldOperand(ebx, Map::kBitFieldOffset));
-  __ test(ebx, Immediate(1 << Map::kIsAccessCheckNeeded));
-  __ j(not_equal, &miss, not_taken);
-  __ bind(&invoke);
-  GenerateNormalHelper(masm, argc, false, &miss);
-
-  // Global object proxy access: Check access rights.
-  __ bind(&global_proxy);
-  __ CheckAccessGlobalProxy(edx, eax, &miss);
-  __ jmp(&invoke);
-
-  // Cache miss: Jump to runtime.
-  __ bind(&miss);
-  Generate(masm, argc, ExternalReference(IC_Utility(kCallIC_Miss)));
-}
-
-
-void CallIC::Generate(MacroAssembler* masm,
-                      int argc,
-                      const ExternalReference& f) {
-  // ----------- S t a t e -------------
-  // -----------------------------------
-
-  // Get the receiver of the function from the stack; 1 ~ return address.
-  __ mov(edx, Operand(esp, (argc + 1) * kPointerSize));
-  // Get the name of the function to call from the stack.
-  // 2 ~ receiver, return address.
-  __ mov(ebx, Operand(esp, (argc + 2) * kPointerSize));
-
-  // Enter an internal frame.
-  __ EnterInternalFrame();
-
-  // Push the receiver and the name of the function.
-  __ push(edx);
-  __ push(ebx);
-
-  // Call the entry.
-  CEntryStub stub;
-  __ mov(eax, Immediate(2));
-  __ mov(ebx, Immediate(f));
-  __ CallStub(&stub);
-
-  // Move result to edi and exit the internal frame.
-  __ mov(edi, eax);
-  __ LeaveInternalFrame();
-
-  // Check if the receiver is a global object of some sort.
-  Label invoke, global;
-  __ mov(edx, Operand(esp, (argc + 1) * kPointerSize));  // receiver
-  __ test(edx, Immediate(kSmiTagMask));
-  __ j(zero, &invoke, not_taken);
-  __ mov(ecx, FieldOperand(edx, HeapObject::kMapOffset));
-  __ movzx_b(ecx, FieldOperand(ecx, Map::kInstanceTypeOffset));
-  __ cmp(ecx, JS_GLOBAL_OBJECT_TYPE);
-  __ j(equal, &global);
-  __ cmp(ecx, JS_BUILTINS_OBJECT_TYPE);
-  __ j(not_equal, &invoke);
-
-  // Patch the receiver on the stack.
-  __ bind(&global);
-  __ mov(edx, FieldOperand(edx, GlobalObject::kGlobalReceiverOffset));
-  __ mov(Operand(esp, (argc + 1) * kPointerSize), edx);
-
-  // Invoke the function.
-  ParameterCount actual(argc);
-  __ bind(&invoke);
-  __ InvokeFunction(edi, actual, JUMP_FUNCTION);
-}
-
-
-// Defined in ic.cc.
-Object* LoadIC_Miss(Arguments args);
-
-void LoadIC::GenerateMegamorphic(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- ecx    : name
-  //  -- esp[0] : return address
-  //  -- esp[4] : receiver
-  // -----------------------------------
-
-  __ mov(eax, Operand(esp, kPointerSize));
-
-  // Probe the stub cache.
-  Code::Flags flags = Code::ComputeFlags(Code::LOAD_IC, MONOMORPHIC);
-  StubCache::GenerateProbe(masm, flags, eax, ecx, ebx);
-
-  // Cache miss: Jump to runtime.
-  Generate(masm, ExternalReference(IC_Utility(kLoadIC_Miss)));
-}
-
-
-void LoadIC::GenerateNormal(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- ecx    : name
-  //  -- esp[0] : return address
-  //  -- esp[4] : receiver
-  // -----------------------------------
-
-  Label miss, probe, global;
-
-  __ mov(eax, Operand(esp, kPointerSize));
-
-  // Check that the receiver isn't a smi.
-  __ test(eax, Immediate(kSmiTagMask));
-  __ j(zero, &miss, not_taken);
-
-  // Check that the receiver is a valid JS object.
-  __ mov(ebx, FieldOperand(eax, HeapObject::kMapOffset));
-  __ movzx_b(edx, FieldOperand(ebx, Map::kInstanceTypeOffset));
-  __ cmp(edx, FIRST_JS_OBJECT_TYPE);
-  __ j(less, &miss, not_taken);
-
-  // If this assert fails, we have to check upper bound too.
-  ASSERT(LAST_TYPE == JS_FUNCTION_TYPE);
-
-  // Check for access to global object (unlikely).
-  __ cmp(edx, JS_GLOBAL_PROXY_TYPE);
-  __ j(equal, &global, not_taken);
-
-  // Check for non-global object that requires access check.
-  __ movzx_b(ebx, FieldOperand(ebx, Map::kBitFieldOffset));
-  __ test(ebx, Immediate(1 << Map::kIsAccessCheckNeeded));
-  __ j(not_zero, &miss, not_taken);
-
-  // Search the dictionary placing the result in eax.
-  __ bind(&probe);
-  GenerateDictionaryLoad(masm, &miss, edx, eax, ebx, ecx);
-  GenerateCheckNonFunctionOrLoaded(masm, &miss, eax, edx);
-  __ ret(0);
-
-  // Global object access: Check access rights.
-  __ bind(&global);
-  __ CheckAccessGlobalProxy(eax, edx, &miss);
-  __ jmp(&probe);
-
-  // Cache miss: Restore receiver from stack and jump to runtime.
-  __ bind(&miss);
-  __ mov(eax, Operand(esp, 1 * kPointerSize));
-  Generate(masm, ExternalReference(IC_Utility(kLoadIC_Miss)));
-}
-
-
-void LoadIC::GenerateMiss(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- ecx    : name
-  //  -- esp[0] : return address
-  //  -- esp[4] : receiver
-  // -----------------------------------
-
-  Generate(masm, ExternalReference(IC_Utility(kLoadIC_Miss)));
-}
-
-
-void LoadIC::Generate(MacroAssembler* masm, const ExternalReference& f) {
-  // ----------- S t a t e -------------
-  //  -- ecx    : name
-  //  -- esp[0] : return address
-  //  -- esp[4] : receiver
-  // -----------------------------------
-
-  __ mov(eax, Operand(esp, kPointerSize));
-
-  // Move the return address below the arguments.
-  __ pop(ebx);
-  __ push(eax);
-  __ push(ecx);
-  __ push(ebx);
-
-  // Perform tail call to the entry.
-  __ TailCallRuntime(f, 2);
-}
-
-
-// One byte opcode for test eax,0xXXXXXXXX.
-static const byte kTestEaxByte = 0xA9;
-
-
-bool KeyedLoadIC::HasInlinedVersion(Address address) {
-  Address test_instruction_address = address + 4;  // 4 = stub address
-  return *test_instruction_address == kTestEaxByte;
-}
-
-
-void KeyedLoadIC::ClearInlinedVersion(Address address) {
-  // Insert null as the map to check for to make sure the map check fails
-  // sending control flow to the IC instead of the inlined version.
-  PatchInlinedMapCheck(address, Heap::null_value());
-}
-
-
-void KeyedLoadIC::PatchInlinedMapCheck(Address address, Object* value) {
-  Address test_instruction_address = address + 4;  // 4 = stub address
-  // The keyed load has a fast inlined case if the IC call instruction
-  // is immediately followed by a test instruction.
-  if (*test_instruction_address == kTestEaxByte) {
-    // Fetch the offset from the test instruction to the map cmp
-    // instruction.  This offset is stored in the last 4 bytes of the
-    // 5 byte test instruction.
-    Address offset_address = test_instruction_address + 1;
-    int offset_value = *(reinterpret_cast<int*>(offset_address));
-    // Compute the map address.  The map address is in the last 4
-    // bytes of the 7-byte operand-immediate compare instruction, so
-    // we add 3 to the offset to get the map address.
-    Address map_address = test_instruction_address + offset_value + 3;
-    // Patch the map check.
-    (*(reinterpret_cast<Object**>(map_address))) = value;
-  }
-}
-
-
-// Defined in ic.cc.
-Object* KeyedLoadIC_Miss(Arguments args);
-
-
-void KeyedLoadIC::GenerateMiss(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- esp[0] : return address
-  //  -- esp[4] : name
-  //  -- esp[8] : receiver
-  // -----------------------------------
-
-  Generate(masm, ExternalReference(IC_Utility(kKeyedLoadIC_Miss)));
-}
-
-
-void KeyedLoadIC::Generate(MacroAssembler* masm, const ExternalReference& f) {
-  // ----------- S t a t e -------------
-  //  -- esp[0] : return address
-  //  -- esp[4] : name
-  //  -- esp[8] : receiver
-  // -----------------------------------
-
-  __ mov(eax, Operand(esp, kPointerSize));
-  __ mov(ecx, Operand(esp, 2 * kPointerSize));
-
-  // Move the return address below the arguments.
-  __ pop(ebx);
-  __ push(ecx);
-  __ push(eax);
-  __ push(ebx);
-
-  // Perform tail call to the entry.
-  __ TailCallRuntime(f, 2);
-}
-
-
-void StoreIC::GenerateMegamorphic(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- eax    : value
-  //  -- ecx    : name
-  //  -- esp[0] : return address
-  //  -- esp[4] : receiver
-  // -----------------------------------
-
-  // Get the receiver from the stack and probe the stub cache.
-  __ mov(edx, Operand(esp, 4));
-  Code::Flags flags = Code::ComputeFlags(Code::STORE_IC, MONOMORPHIC);
-  StubCache::GenerateProbe(masm, flags, edx, ecx, ebx);
-
-  // Cache miss: Jump to runtime.
-  Generate(masm, ExternalReference(IC_Utility(kStoreIC_Miss)));
-}
-
-
-void StoreIC::GenerateExtendStorage(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- eax    : value
-  //  -- ecx    : transition map
-  //  -- esp[0] : return address
-  //  -- esp[4] : receiver
-  // -----------------------------------
-
-  // Move the return address below the arguments.
-  __ pop(ebx);
-  __ push(Operand(esp, 0));
-  __ push(ecx);
-  __ push(eax);
-  __ push(ebx);
-  // Perform tail call to the entry.
-  __ TailCallRuntime(
-      ExternalReference(IC_Utility(kSharedStoreIC_ExtendStorage)), 3);
-}
-
-
-void StoreIC::Generate(MacroAssembler* masm, const ExternalReference& f) {
-  // ----------- S t a t e -------------
-  //  -- eax    : value
-  //  -- ecx    : name
-  //  -- esp[0] : return address
-  //  -- esp[4] : receiver
-  // -----------------------------------
-
-  // Move the return address below the arguments.
-  __ pop(ebx);
-  __ push(Operand(esp, 0));
-  __ push(ecx);
-  __ push(eax);
-  __ push(ebx);
-
-  // Perform tail call to the entry.
-  __ TailCallRuntime(f, 3);
-}
-
-
-// Defined in ic.cc.
-Object* KeyedStoreIC_Miss(Arguments args);
-
-void KeyedStoreIC::Generate(MacroAssembler* masm, const ExternalReference& f) {
-  // ----------- S t a t e -------------
-  //  -- eax    : value
-  //  -- esp[0] : return address
-  //  -- esp[4] : key
-  //  -- esp[8] : receiver
-  // -----------------------------------
-
-  // Move the return address below the arguments.
-  __ pop(ecx);
-  __ push(Operand(esp, 1 * kPointerSize));
-  __ push(Operand(esp, 1 * kPointerSize));
-  __ push(eax);
-  __ push(ecx);
-
-  // Do tail-call to runtime routine.
-  __ TailCallRuntime(f, 3);
-}
-
-
-void KeyedStoreIC::GenerateExtendStorage(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- eax    : value
-  //  -- ecx    : transition map
-  //  -- esp[0] : return address
-  //  -- esp[4] : key
-  //  -- esp[8] : receiver
-  // -----------------------------------
-
-  // Move the return address below the arguments.
-  __ pop(ebx);
-  __ push(Operand(esp, 1 * kPointerSize));
-  __ push(ecx);
-  __ push(eax);
-  __ push(ebx);
-
-  // Do tail-call to runtime routine.
-  __ TailCallRuntime(
-      ExternalReference(IC_Utility(kSharedStoreIC_ExtendStorage)), 3);
-}
-
-#undef __
-
-
-} }  // namespace v8::internal