PPC/s390: [cleanup] Remove dead code from DeclareLookupSlot and rename it

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

 // Copyright 2015 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.
 
 #if V8_TARGET_ARCH_S390
 
 #include "src/ast/scopes.h"
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
 #include "src/codegen.h"
@@ skipping 723 matching lines @@
         EmitDebugCheckDeclarationContext(variable);
         __ LoadRoot(ip, Heap::kTheHoleValueRootIndex);
         __ StoreP(ip, ContextMemOperand(cp, variable->index()));
         // No write barrier since the_hole_value is in old space.
         PrepareForBailoutForId(proxy->id(), BailoutState::NO_REGISTERS);
       }
       break;
 
     case VariableLocation::LOOKUP: {
       Comment cmnt(masm_, "[ VariableDeclaration");
+      DCHECK_EQ(VAR, mode);
+      DCHECK(!hole_init);
       __ mov(r4, Operand(variable->name()));
-      // Declaration nodes are always introduced in one of four modes.
-      DCHECK(IsDeclaredVariableMode(mode));
-      DCHECK(!hole_init);
-      __ LoadSmiLiteral(r2, Smi::FromInt(0));  // Indicates no initial value.
-      __ Push(r4, r2);
-      __ Push(Smi::FromInt(variable->DeclarationPropertyAttributes()));
-      __ CallRuntime(Runtime::kDeclareLookupSlot);
+      __ Push(r4);
+      __ CallRuntime(Runtime::kDeclareEvalVar);
       PrepareForBailoutForId(proxy->id(), BailoutState::NO_REGISTERS);
       break;
     }
   }
 }
 
 void FullCodeGenerator::VisitFunctionDeclaration(
     FunctionDeclaration* declaration) {
   VariableProxy* proxy = declaration->proxy();
   Variable* variable = proxy->var();
@@ skipping 30 matching lines @@
       PrepareForBailoutForId(proxy->id(), BailoutState::NO_REGISTERS);
       break;
     }
 
     case VariableLocation::LOOKUP: {
       Comment cmnt(masm_, "[ FunctionDeclaration");
       __ mov(r4, Operand(variable->name()));
       PushOperand(r4);
       // Push initial value for function declaration.
       VisitForStackValue(declaration->fun());
-      PushOperand(Smi::FromInt(variable->DeclarationPropertyAttributes()));
-      CallRuntimeWithOperands(Runtime::kDeclareLookupSlot);
+      CallRuntimeWithOperands(Runtime::kDeclareEvalFunction);
       PrepareForBailoutForId(proxy->id(), BailoutState::NO_REGISTERS);
       break;
     }
   }
 }
 
 void FullCodeGenerator::DeclareGlobals(Handle<FixedArray> pairs) {
   // Call the runtime to declare the globals.
   __ mov(r3, Operand(pairs));
   __ LoadSmiLiteral(r2, Smi::FromInt(DeclareGlobalsFlags()));
@@ skipping 2884 matching lines @@
   DCHECK(kOSRBranchInstruction == br_instr);
 
   DCHECK(interrupt_address ==
          isolate->builtins()->OnStackReplacement()->entry());
   return ON_STACK_REPLACEMENT;
 }
 
 }  // namespace internal
 }  // namespace v8
 #endif  // V8_TARGET_ARCH_S390