[fullcodegen] Refactor code that calls load ICs.

src/full-codegen/s390/full-codegen-s390.cc

Index: src/full-codegen/s390/full-codegen-s390.cc
diff --git a/src/full-codegen/s390/full-codegen-s390.cc b/src/full-codegen/s390/full-codegen-s390.cc
index 3e70cb3e32b2961144e8b0b78e46adb2b507c5bd..3a25e13fa87a8fa0e25e86c5a1989de2bf57f6e6 100644
--- a/src/full-codegen/s390/full-codegen-s390.cc
+++ b/src/full-codegen/s390/full-codegen-s390.cc
@@ -1199,18 +1199,6 @@ void FullCodeGenerator::EmitDynamicLookupFastCase(VariableProxy* proxy,
   }
 }
 
-void FullCodeGenerator::EmitGlobalVariableLoad(VariableProxy* proxy,
-                                               TypeofMode typeof_mode) {
-#ifdef DEBUG
-  Variable* var = proxy->var();
-  DCHECK(var->IsUnallocated() ||
-         (var->IsLookupSlot() && var->mode() == DYNAMIC_GLOBAL));
-#endif
-  __ mov(LoadGlobalDescriptor::SlotRegister(),
-         Operand(SmiFromSlot(proxy->VariableFeedbackSlot())));
-  CallLoadGlobalIC(typeof_mode);
-}
-
 void FullCodeGenerator::EmitVariableLoad(VariableProxy* proxy,
                                          TypeofMode typeof_mode) {
   // Record position before possible IC call.