Cleanup: Unify CodeGenerator class across platforms

src/x64/full-codegen-x64.cc

 // Copyright 2012 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
@@ skipping 3747 matching lines @@
   Register tmp = rcx;
   __ movp(cache, ContextOperand(rsi, Context::GLOBAL_OBJECT_INDEX));
   __ movp(cache,
           FieldOperand(cache, GlobalObject::kNativeContextOffset));
   __ movp(cache,
           ContextOperand(cache, Context::JSFUNCTION_RESULT_CACHES_INDEX));
   __ movp(cache,
           FieldOperand(cache, FixedArray::OffsetOfElementAt(cache_id)));
 
   Label done, not_found;
-  // tmp now holds finger offset as a smi.
   STATIC_ASSERT(kSmiTag == 0 && kSmiTagSize == 1);
   __ movp(tmp, FieldOperand(cache, JSFunctionResultCache::kFingerOffset));
+  // tmp now holds finger offset as a smi.
   SmiIndex index =
       __ SmiToIndex(kScratchRegister, tmp, kPointerSizeLog2);
   __ cmpq(key, FieldOperand(cache,
                             index.reg,
                             index.scale,
                             FixedArray::kHeaderSize));
   __ j(not_equal, &not_found, Label::kNear);
   __ movp(rax, FieldOperand(cache,
                             index.reg,
                             index.scale,
@@ skipping 1126 matching lines @@
 
   ASSERT_EQ(isolate->builtins()->OsrAfterStackCheck()->entry(),
             Assembler::target_address_at(call_target_address));
   return OSR_AFTER_STACK_CHECK;
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64