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

src/arm/code-stubs-arm.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_ARM
 
 #include "src/base/bits.h"
 #include "src/bootstrapper.h"
@@ skipping 5043 matching lines @@
 
   __ bind(&fast_elements_case);
   GenerateCase(masm, FAST_ELEMENTS);
 }
 
 
 void LoadGlobalViaContextStub::Generate(MacroAssembler* masm) {
   Register context = cp;
   Register result = r0;
   Register slot = r2;
-  Register name = r3;
-  Label slow_case;
 
   // Go up the context chain to the script context.
   for (int i = 0; i < depth(); ++i) {
     __ ldr(result, ContextOperand(context, Context::PREVIOUS_INDEX));
     context = result;
   }
 
   // Load the PropertyCell value at the specified slot.
   __ add(result, context, Operand(slot, LSL, kPointerSizeLog2));
   __ ldr(result, ContextOperand(result));
   __ ldr(result, FieldMemOperand(result, PropertyCell::kValueOffset));
 
   // If the result is not the_hole, return. Otherwise, handle in the runtime.
   __ CompareRoot(result, Heap::kTheHoleValueRootIndex);
   __ Ret(ne);
 
   // Fallback to runtime.
-  __ bind(&slow_case);
   __ SmiTag(slot);
   __ push(slot);
-  __ push(name);
-  __ TailCallRuntime(Runtime::kLoadGlobalViaContext, 2, 1);
+  __ TailCallRuntime(Runtime::kLoadGlobalViaContext, 1, 1);
 }
 
 
 void StoreGlobalViaContextStub::Generate(MacroAssembler* masm) {
   Register value = r0;
   Register slot = r2;
-  Register name = r3;
 
   Register cell = r1;
   Register cell_details = r4;
   Register cell_value = r5;
   Register cell_value_map = r6;
   Register scratch = r9;
 
   Register context = cp;
   Register context_temp = cell;
 
   Label fast_heapobject_case, fast_smi_case, slow_case;
 
   if (FLAG_debug_code) {
     __ CompareRoot(value, Heap::kTheHoleValueRootIndex);
     __ Check(ne, kUnexpectedValue);
-    __ AssertName(name);
   }
 
   // Go up the context chain to the script context.
   for (int i = 0; i < depth(); i++) {
     __ ldr(context_temp, ContextOperand(context, Context::PREVIOUS_INDEX));
     context = context_temp;
   }
 
   // Load the PropertyCell at the specified slot.
   __ add(cell, context, Operand(slot, LSL, kPointerSizeLog2));
@@ skipping 77 matching lines @@
   __ JumpIfSmi(cell_value, &slow_case);
 
   __ ldr(cell_value_map, FieldMemOperand(cell_value, HeapObject::kMapOffset));
   __ ldr(scratch, FieldMemOperand(value, HeapObject::kMapOffset));
   __ cmp(cell_value_map, scratch);
   __ b(eq, &fast_heapobject_case);
 
   // Fallback to runtime.
   __ bind(&slow_case);
   __ SmiTag(slot);
-  __ push(slot);
-  __ push(name);
-  __ push(value);
+  __ Push(slot, value);
   __ TailCallRuntime(is_strict(language_mode())
                          ? Runtime::kStoreGlobalViaContext_Strict
                          : Runtime::kStoreGlobalViaContext_Sloppy,
-                     3, 1);
+                     2, 1);
 }
 
 
 static int AddressOffset(ExternalReference ref0, ExternalReference ref1) {
   return ref0.address() - ref1.address();
 }
 
 
 // Calls an API function.  Allocates HandleScope, extracts returned value
 // from handle and propagates exceptions.  Restores context.  stack_space
@@ skipping 305 matching lines @@
                            MemOperand(fp, 6 * kPointerSize), NULL);
 }
 
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_ARM