X87: fix performance regression on intel call api stubs

src/ic/x87/handler-compiler-x87.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_X87
 
 #include "src/ic/call-optimization.h"
 #include "src/ic/handler-compiler.h"
@@ skipping 145 matching lines @@
   if (is_store) {
     DCHECK(!receiver.is(store_parameter));
     DCHECK(!scratch.is(store_parameter));
     __ push(store_parameter);
   }
   __ push(scratch);
   // Stack now matches JSFunction abi.
   DCHECK(optimization.is_simple_api_call());
 
   // Abi for CallApiFunctionStub.
-  Register callee = eax;
+  Register callee = edi;
   Register data = ebx;
   Register holder = ecx;
   Register api_function_address = edx;
   scratch = no_reg;
 
   // Put callee in place.
   __ LoadAccessor(callee, accessor_holder, accessor_index,
                   is_store ? ACCESSOR_SETTER : ACCESSOR_GETTER);
 
   // Put holder in place.
@@ skipping 589 matching lines @@
   // Return the generated code.
   return GetCode(kind(), Code::NORMAL, name);
 }
 
 
 #undef __
 }
 }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X87