Remove support for "loads and stores to global vars through property cell shortcuts inst…

src/crankshaft/x64/lithium-x64.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/crankshaft/x64/lithium-x64.h"
 
 #include <sstream>
 
 #if V8_TARGET_ARCH_X64
 
@@ skipping 349 matching lines @@
   int index = GetNextSpillIndex(kind);
   if (kind == DOUBLE_REGISTERS) {
     return LDoubleStackSlot::Create(index, zone());
   } else {
     DCHECK(kind == GENERAL_REGISTERS);
     return LStackSlot::Create(index, zone());
   }
 }
 
 
-void LLoadGlobalViaContext::PrintDataTo(StringStream* stream) {
-  stream->Add("depth:%d slot:%d", depth(), slot_index());
-}
-
-
 void LStoreNamedField::PrintDataTo(StringStream* stream) {
   object()->PrintTo(stream);
   std::ostringstream os;
   os << hydrogen()->access() << " <- ";
   stream->Add(os.str().c_str());
   value()->PrintTo(stream);
 }
 
 
 void LStoreNamedGeneric::PrintDataTo(StringStream* stream) {
   object()->PrintTo(stream);
   stream->Add(".");
   stream->Add(String::cast(*name())->ToCString().get());
   stream->Add(" <- ");
   value()->PrintTo(stream);
 }
 
 
-void LStoreGlobalViaContext::PrintDataTo(StringStream* stream) {
-  stream->Add("depth:%d slot:%d <- ", depth(), slot_index());
-  value()->PrintTo(stream);
-}
-
-
 void LLoadKeyed::PrintDataTo(StringStream* stream) {
   elements()->PrintTo(stream);
   stream->Add("[");
   key()->PrintTo(stream);
   if (hydrogen()->IsDehoisted()) {
     stream->Add(" + %d]", base_offset());
   } else {
     stream->Add("]");
   }
 }
@@ skipping 1683 matching lines @@
   if (instr->HasVectorAndSlot()) {
     vector = FixedTemp(LoadWithVectorDescriptor::VectorRegister());
   }
 
   LLoadGlobalGeneric* result =
       new(zone()) LLoadGlobalGeneric(context, global_object, vector);
   return MarkAsCall(DefineFixed(result, rax), instr);
 }
 
 
-LInstruction* LChunkBuilder::DoLoadGlobalViaContext(
-    HLoadGlobalViaContext* instr) {
-  LOperand* context = UseFixed(instr->context(), rsi);
-  DCHECK(instr->slot_index() > 0);
-  LLoadGlobalViaContext* result = new (zone()) LLoadGlobalViaContext(context);
-  return MarkAsCall(DefineFixed(result, rax), instr);
-}
-
-
 LInstruction* LChunkBuilder::DoLoadContextSlot(HLoadContextSlot* instr) {
   LOperand* context = UseRegisterAtStart(instr->value());
   LInstruction* result =
       DefineAsRegister(new(zone()) LLoadContextSlot(context));
   if (instr->RequiresHoleCheck() && instr->DeoptimizesOnHole()) {
     result = AssignEnvironment(result);
   }
   return result;
 }
 
@@ skipping 339 matching lines @@
     slot = FixedTemp(VectorStoreICDescriptor::SlotRegister());
     vector = FixedTemp(VectorStoreICDescriptor::VectorRegister());
   }
 
   LStoreNamedGeneric* result =
       new (zone()) LStoreNamedGeneric(context, object, value, slot, vector);
   return MarkAsCall(result, instr);
 }
 
 
-LInstruction* LChunkBuilder::DoStoreGlobalViaContext(
-    HStoreGlobalViaContext* instr) {
-  LOperand* context = UseFixed(instr->context(), rsi);
-  LOperand* value = UseFixed(instr->value(),
-                             StoreGlobalViaContextDescriptor::ValueRegister());
-  DCHECK(instr->slot_index() > 0);
-
-  LStoreGlobalViaContext* result =
-      new (zone()) LStoreGlobalViaContext(context, value);
-  return MarkAsCall(result, instr);
-}
-
-
 LInstruction* LChunkBuilder::DoStringAdd(HStringAdd* instr) {
   LOperand* context = UseFixed(instr->context(), rsi);
   LOperand* left = UseFixed(instr->left(), rdx);
   LOperand* right = UseFixed(instr->right(), rax);
   return MarkAsCall(
       DefineFixed(new(zone()) LStringAdd(context, left, right), rax), instr);
 }
 
 
 LInstruction* LChunkBuilder::DoStringCharCodeAt(HStringCharCodeAt* instr) {
@@ skipping 246 matching lines @@
   LAllocateBlockContext* result =
       new(zone()) LAllocateBlockContext(context, function);
   return MarkAsCall(DefineFixed(result, rsi), instr);
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X64