Revert "[Arguments] Merge (7442,7496] from bleeding_edge."

src/x64/lithium-x64.cc

Index: src/x64/lithium-x64.cc
diff --git a/src/x64/lithium-x64.cc b/src/x64/lithium-x64.cc
index 6987d452fd4c0de4fcad35d327c8a91945516e05..c47cd726f5ebad1d62c0c9eb6ef9b056f961fc70 100644
--- a/src/x64/lithium-x64.cc
+++ b/src/x64/lithium-x64.cc
@@ -1614,7 +1614,8 @@ LInstruction* LChunkBuilder::DoChange(HChange* instr) {
       bool needs_check = !instr->value()->type().IsSmi();
       if (needs_check) {
         LOperand* xmm_temp =
-            (instr->CanTruncateToInt32() && CpuFeatures::IsSupported(SSE3))
+            (instr->CanTruncateToInt32() &&
+             Isolate::Current()->cpu_features()->IsSupported(SSE3))
             ? NULL
             : FixedTemp(xmm1);
         LTaggedToI* res = new LTaggedToI(value, xmm_temp);
@@ -1717,36 +1718,21 @@ LInstruction* LChunkBuilder::DoConstant(HConstant* instr) {
 }
 
 
-LInstruction* LChunkBuilder::DoLoadGlobalCell(HLoadGlobalCell* instr) {
-  LLoadGlobalCell* result = new LLoadGlobalCell;
+LInstruction* LChunkBuilder::DoLoadGlobal(HLoadGlobal* instr) {
+  LLoadGlobal* result = new LLoadGlobal;
   return instr->check_hole_value()
       ? AssignEnvironment(DefineAsRegister(result))
       : DefineAsRegister(result);
 }
 
 
-LInstruction* LChunkBuilder::DoLoadGlobalGeneric(HLoadGlobalGeneric* instr) {
-  LOperand* global_object = UseFixed(instr->global_object(), rax);
-  LLoadGlobalGeneric* result = new LLoadGlobalGeneric(global_object);
-  return MarkAsCall(DefineFixed(result, rax), instr);
-}
-
-
-LInstruction* LChunkBuilder::DoStoreGlobalCell(HStoreGlobalCell* instr) {
-  LStoreGlobalCell* result =
-      new LStoreGlobalCell(UseRegister(instr->value()), TempRegister());
+LInstruction* LChunkBuilder::DoStoreGlobal(HStoreGlobal* instr) {
+  LStoreGlobal* result = new LStoreGlobal(UseRegister(instr->value()),
+                                          TempRegister());
   return instr->check_hole_value() ? AssignEnvironment(result) : result;
 }
 
 
-LInstruction* LChunkBuilder::DoStoreGlobalGeneric(HStoreGlobalGeneric* instr) {
-  LOperand* global_object = UseFixed(instr->global_object(), rdx);
-  LOperand* value = UseFixed(instr->value(), rax);
-  LStoreGlobalGeneric* result =  new LStoreGlobalGeneric(global_object, value);
-  return MarkAsCall(result, instr);
-}
-
-
 LInstruction* LChunkBuilder::DoLoadContextSlot(HLoadContextSlot* instr) {
   LOperand* context = UseRegisterAtStart(instr->value());
   return DefineAsRegister(new LLoadContextSlot(context));