Load constants from the DescriptorArray

src/ia32/stub-cache-ia32.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
 #if V8_TARGET_ARCH_IA32
 
 #include "src/codegen.h"
 #include "src/ic-inl.h"
@@ skipping 800 matching lines @@
 
 
 void NamedLoadHandlerCompiler::GenerateLoadField(
     Register reg, FieldIndex field, Representation representation) {
   if (!reg.is(receiver())) __ mov(receiver(), reg);
   LoadFieldStub stub(isolate(), field);
   GenerateTailCall(masm(), stub.GetCode());
 }
 
 
+void NamedLoadHandlerCompiler::GenerateLoadConstant(Register reg,
+                                                    int constant_index) {
+  if (!reg.is(receiver())) __ mov(receiver(), reg);

[Jakob Kummerow, 2014/08/05 13:50:58]

nit: use MacroAssembler::Move() to get the equality check for free

+  LoadConstantStub stub(isolate(), constant_index);
+  GenerateTailCall(masm(), stub.GetCode());
+}
+
+
 void NamedLoadHandlerCompiler::GenerateLoadCallback(
     Register reg, Handle<ExecutableAccessorInfo> callback) {
   // Insert additional parameters into the stack frame above return address.
   DCHECK(!scratch3().is(reg));
   __ pop(scratch3());  // Get return address to place it below.
 
   STATIC_ASSERT(PropertyCallbackArguments::kHolderIndex == 0);
   STATIC_ASSERT(PropertyCallbackArguments::kIsolateIndex == 1);
   STATIC_ASSERT(PropertyCallbackArguments::kReturnValueDefaultValueIndex == 2);
   STATIC_ASSERT(PropertyCallbackArguments::kReturnValueOffset == 3);
@@ skipping 453 matching lines @@
   // -----------------------------------
   TailCallBuiltin(masm, Builtins::kKeyedLoadIC_Miss);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32