[stubs] Don't pass name to Load/StoreGlobalViaContext stubs.

src/full-codegen/arm64/full-codegen-arm64.cc

 // Copyright 2013 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_ARM64
 
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
@@ skipping 1384 matching lines @@
   DCHECK(var->IsUnallocatedOrGlobalSlot() ||
          (var->IsLookupSlot() && var->mode() == DYNAMIC_GLOBAL));
   if (var->IsGlobalSlot()) {
     DCHECK(var->index() > 0);
     DCHECK(var->IsStaticGlobalObjectProperty());
     // Each var occupies two slots in the context: for reads and writes.
     int const slot = var->index();
     int const depth = scope()->ContextChainLength(var->scope());
     if (depth <= LoadGlobalViaContextStub::kMaximumDepth) {
       __ Mov(LoadGlobalViaContextDescriptor::SlotRegister(), slot);
-      __ Mov(LoadGlobalViaContextDescriptor::NameRegister(), var->name());
       LoadGlobalViaContextStub stub(isolate(), depth);
       __ CallStub(&stub);
     } else {
       __ Push(Smi::FromInt(slot));
-      __ Push(var->name());
-      __ CallRuntime(Runtime::kLoadGlobalViaContext, 2);
+      __ CallRuntime(Runtime::kLoadGlobalViaContext, 1);
     }
   } else {
     __ Ldr(LoadDescriptor::ReceiverRegister(), GlobalObjectMemOperand());
     __ Mov(LoadDescriptor::NameRegister(), Operand(var->name()));
     __ Mov(LoadDescriptor::SlotRegister(),
            SmiFromSlot(proxy->VariableFeedbackSlot()));
     CallLoadIC(typeof_mode);
   }
 }
 
@@ skipping 977 matching lines @@
 
   } else if (var->IsGlobalSlot()) {
     // Global var, const, or let.
     DCHECK(var->index() > 0);
     DCHECK(var->IsStaticGlobalObjectProperty());
     // Each var occupies two slots in the context: for reads and writes.
     int const slot = var->index() + 1;
     int const depth = scope()->ContextChainLength(var->scope());
     if (depth <= StoreGlobalViaContextStub::kMaximumDepth) {
       __ Mov(StoreGlobalViaContextDescriptor::SlotRegister(), slot);
-      __ Mov(StoreGlobalViaContextDescriptor::NameRegister(), var->name());
       DCHECK(StoreGlobalViaContextDescriptor::ValueRegister().is(x0));
       StoreGlobalViaContextStub stub(isolate(), depth, language_mode());
       __ CallStub(&stub);
     } else {
       __ Push(Smi::FromInt(slot));
-      __ Push(var->name());
       __ Push(x0);
       __ CallRuntime(is_strict(language_mode())
                          ? Runtime::kStoreGlobalViaContext_Strict
                          : Runtime::kStoreGlobalViaContext_Sloppy,
-                     3);
+                     2);
     }
   } else if (var->mode() == LET && op != Token::INIT_LET) {
     // Non-initializing assignment to let variable needs a write barrier.
     DCHECK(!var->IsLookupSlot());
     DCHECK(var->IsStackAllocated() || var->IsContextSlot());
     Label assign;
     MemOperand location = VarOperand(var, x1);
     __ Ldr(x10, location);
     __ JumpIfNotRoot(x10, Heap::kTheHoleValueRootIndex, &assign);
     __ Mov(x10, Operand(var->name()));
@@ skipping 3028 matching lines @@
   }
 
   return INTERRUPT;
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_ARM64