Crankshaft part of the 'loads and stores to global vars through property cell shortcuts' feature.

src/ia32/lithium-codegen-ia32.cc

Index: src/ia32/lithium-codegen-ia32.cc
diff --git a/src/ia32/lithium-codegen-ia32.cc b/src/ia32/lithium-codegen-ia32.cc
index 00860115ba82a0ad386df7ba9fb86c866ec2c462..fb3c05ebab4f956655196bc728be25ef3d9038ea 100644
--- a/src/ia32/lithium-codegen-ia32.cc
+++ b/src/ia32/lithium-codegen-ia32.cc
@@ -2862,6 +2862,22 @@ void LCodeGen::DoLoadGlobalGeneric(LLoadGlobalGeneric* instr) {
 }
 
 
+void LCodeGen::DoLoadGlobalViaContext(LLoadGlobalViaContext* instr) {
+  DCHECK(ToRegister(instr->context()).is(esi));
+  DCHECK(ToRegister(instr->result()).is(eax));
+
+  __ mov(LoadGlobalViaContextDescriptor::DepthRegister(),
+         Immediate(Smi::FromInt(instr->depth())));
+  __ mov(LoadGlobalViaContextDescriptor::SlotRegister(),
+         Immediate(Smi::FromInt(instr->slot_index())));
+  __ mov(LoadGlobalViaContextDescriptor::NameRegister(), instr->name());
+
+  Handle<Code> stub =
+      CodeFactory::LoadGlobalViaContext(isolate(), instr->depth()).code();
+  CallCode(stub, RelocInfo::CODE_TARGET, instr);
+}
+
+
 void LCodeGen::DoLoadContextSlot(LLoadContextSlot* instr) {
   Register context = ToRegister(instr->context());
   Register result = ToRegister(instr->result());
@@ -4118,6 +4134,24 @@ void LCodeGen::DoStoreNamedGeneric(LStoreNamedGeneric* instr) {
 }
 
 
+void LCodeGen::DoStoreGlobalViaContext(LStoreGlobalViaContext* instr) {
+  DCHECK(ToRegister(instr->context()).is(esi));
+  DCHECK(ToRegister(instr->value())
+             .is(StoreGlobalViaContextDescriptor::ValueRegister()));
+
+  __ mov(StoreGlobalViaContextDescriptor::DepthRegister(),
+         Immediate(Smi::FromInt(instr->depth())));
+  __ mov(StoreGlobalViaContextDescriptor::SlotRegister(),
+         Immediate(Smi::FromInt(instr->slot_index())));
+  __ mov(StoreGlobalViaContextDescriptor::NameRegister(), instr->name());
+
+  Handle<Code> stub =
+      CodeFactory::StoreGlobalViaContext(isolate(), instr->depth(),
+                                         instr->language_mode()).code();
+  CallCode(stub, RelocInfo::CODE_TARGET, instr);
+}
+
+
 void LCodeGen::DoBoundsCheck(LBoundsCheck* instr) {
   Condition cc = instr->hydrogen()->allow_equality() ? above : above_equal;
   if (instr->index()->IsConstantOperand()) {