Change inlined smi binary operations to use an unspilled frame.

src/virtual-frame-ia32.cc

Index: src/virtual-frame-ia32.cc
===================================================================
--- src/virtual-frame-ia32.cc	(revision 1083)
+++ src/virtual-frame-ia32.cc	(working copy)
@@ -850,10 +850,13 @@
 }
 
 
-void VirtualFrame::CallStub(CodeStub* stub, int frame_arg_count) {
+Result VirtualFrame::CallStub(CodeStub* stub, int frame_arg_count) {
   ASSERT(cgen_->HasValidEntryRegisters());
   PrepareForCall(frame_arg_count);
   __ CallStub(stub);
+  Result result = cgen_->allocator()->Allocate(eax);
+  ASSERT(result.is_valid());
+  return result;
 }
 
 
@@ -861,10 +864,7 @@
                               Result* arg,
                               int frame_arg_count) {
   arg->Unuse();
-  CallStub(stub, frame_arg_count);
-  Result result = cgen_->allocator()->Allocate(eax);
-  ASSERT(result.is_valid());
-  return result;
+  return CallStub(stub, frame_arg_count);
 }
 
 
@@ -874,10 +874,7 @@
                               int frame_arg_count) {
   arg0->Unuse();
   arg1->Unuse();
-  CallStub(stub, frame_arg_count);
-  Result result = cgen_->allocator()->Allocate(eax);
-  ASSERT(result.is_valid());
-  return result;
+  return CallStub(stub, frame_arg_count);
 }