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

src/ppc/code-stubs-ppc.cc

 // Copyright 2014 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_PPC
 
 #include "src/base/bits.h"
 #include "src/bootstrapper.h"
@@ skipping 5299 matching lines @@
 
   __ bind(&fast_elements_case);
   GenerateCase(masm, FAST_ELEMENTS);
 }
 
 
 void LoadGlobalViaContextStub::Generate(MacroAssembler* masm) {
   Register context = cp;
   Register result = r3;
   Register slot = r5;
-  Register name = r6;
-  Label slow_case;
 
   // Go up the context chain to the script context.
   for (int i = 0; i < depth(); ++i) {
     __ LoadP(result, ContextOperand(context, Context::PREVIOUS_INDEX));
     context = result;
   }
 
   // Load the PropertyCell value at the specified slot.
   __ ShiftLeftImm(r0, slot, Operand(kPointerSizeLog2));
   __ add(result, context, r0);
   __ LoadP(result, ContextOperand(result));
   __ LoadP(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, name);
-  __ TailCallRuntime(Runtime::kLoadGlobalViaContext, 2, 1);
+  __ Push(slot);
+  __ TailCallRuntime(Runtime::kLoadGlobalViaContext, 1, 1);
 }
 
 
 void StoreGlobalViaContextStub::Generate(MacroAssembler* masm) {
   Register value = r3;
   Register slot = r5;
-  Register name = r6;
 
   Register cell = r4;
-  Register cell_details = r7;
-  Register cell_value = r8;
-  Register cell_value_map = r9;
-  Register scratch = r10;
+  Register cell_details = r6;
+  Register cell_value = r7;
+  Register cell_value_map = r8;
+  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++) {
     __ LoadP(context_temp, ContextOperand(context, Context::PREVIOUS_INDEX));
     context = context_temp;
   }
 
   // Load the PropertyCell at the specified slot.
   __ ShiftLeftImm(r0, slot, Operand(kPointerSizeLog2));
@@ skipping 13 matching lines @@
   __ cmpi(cell_details, Operand(PropertyDetails::PropertyCellTypeField::encode(
                                     PropertyCellType::kMutable) |
                                 PropertyDetails::KindField::encode(kData)));
   __ bne(&not_mutable_data);
   __ JumpIfSmi(value, &fast_smi_case);
 
   __ bind(&fast_heapobject_case);
   __ StoreP(value, FieldMemOperand(cell, PropertyCell::kValueOffset), r0);
   // RecordWriteField clobbers the value register, so we copy it before the
   // call.
-  __ mr(r7, value);
-  __ RecordWriteField(cell, PropertyCell::kValueOffset, r7, scratch,
+  __ mr(r6, value);
+  __ RecordWriteField(cell, PropertyCell::kValueOffset, r6, scratch,
                       kLRHasNotBeenSaved, kDontSaveFPRegs, EMIT_REMEMBERED_SET,
                       OMIT_SMI_CHECK);
   __ Ret();
 
   __ bind(&not_mutable_data);
   // Check if PropertyCell value matches the new value (relevant for Constant,
   // ConstantType and Undefined cells).
   Label not_same_value;
   __ LoadP(cell_value, FieldMemOperand(cell, PropertyCell::kValueOffset));
   __ cmp(cell_value, value);
@@ skipping 48 matching lines @@
   __ JumpIfSmi(cell_value, &slow_case);
 
   __ LoadP(cell_value_map, FieldMemOperand(cell_value, HeapObject::kMapOffset));
   __ LoadP(scratch, FieldMemOperand(value, HeapObject::kMapOffset));
   __ cmp(cell_value_map, scratch);
   __ beq(&fast_heapobject_case);
 
   // Fallback to runtime.
   __ bind(&slow_case);
   __ SmiTag(slot);
-  __ Push(slot, name, 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 347 matching lines @@
                            kStackUnwindSpace, NULL,
                            MemOperand(fp, 6 * kPointerSize), NULL);
 }
 
 
 #undef __
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_PPC