Add HasProperty code stub that tries simple lookups or jumps to runtime otherwise.

src/full-codegen/x64/full-codegen-x64.cc

Index: src/full-codegen/x64/full-codegen-x64.cc
diff --git a/src/full-codegen/x64/full-codegen-x64.cc b/src/full-codegen/x64/full-codegen-x64.cc
index aee3c8c018d48e18e12c03e27becf4a128533915..33345f32f3007c8e077766b12deb2fc8f1baeab9 100644
--- a/src/full-codegen/x64/full-codegen-x64.cc
+++ b/src/full-codegen/x64/full-codegen-x64.cc
@@ -425,6 +425,9 @@ void FullCodeGenerator::EmitReturnSequence() {
   }
 }
 
+void FullCodeGenerator::RestoreContext() {
+  __ movp(rsi, Operand(rbp, StandardFrameConstants::kContextOffset));
+}
 
 void FullCodeGenerator::StackValueContext::Plug(Variable* var) const {
   DCHECK(var->IsStackAllocated() || var->IsContextSlot());
@@ -1373,7 +1376,7 @@ void FullCodeGenerator::VisitObjectLiteral(ObjectLiteral* expr) {
     __ Move(rdx, Smi::FromInt(flags));
     FastCloneShallowObjectStub stub(isolate(), expr->properties_count());
     __ CallStub(&stub);
-    __ movp(rsi, Operand(rbp, StandardFrameConstants::kContextOffset));
+    RestoreContext();
   }
   PrepareForBailoutForId(expr->CreateLiteralId(), TOS_REG);
 
@@ -1806,8 +1809,7 @@ void FullCodeGenerator::VisitYield(Yield* expr) {
   __ j(equal, &post_runtime);
   __ Push(rax);  // generator object
   __ CallRuntime(Runtime::kSuspendJSGeneratorObject, 1);
-  __ movp(context_register(),
-          Operand(rbp, StandardFrameConstants::kContextOffset));
+  RestoreContext();
   __ bind(&post_runtime);
 
   PopOperand(result_register());
@@ -2413,9 +2415,7 @@ void FullCodeGenerator::EmitCall(Call* expr, ConvertReceiverMode mode) {
   OperandStackDepthDecrement(arg_count + 1);
 
   RecordJSReturnSite(expr);
-
-  // Restore context register.
-  __ movp(rsi, Operand(rbp, StandardFrameConstants::kContextOffset));
+  RestoreContext();
   // Discard the function left on TOS.
   context()->DropAndPlug(1, rax);
 }
@@ -2518,8 +2518,7 @@ void FullCodeGenerator::EmitPossiblyEvalCall(Call* expr) {
           RelocInfo::CODE_TARGET);
   OperandStackDepthDecrement(arg_count + 1);
   RecordJSReturnSite(expr);
-  // Restore context register.
-  __ movp(rsi, Operand(rbp, StandardFrameConstants::kContextOffset));
+  RestoreContext();
   context()->DropAndPlug(1, rax);
 }
 
@@ -2559,8 +2558,7 @@ void FullCodeGenerator::VisitCallNew(CallNew* expr) {
   __ Call(stub.GetCode(), RelocInfo::CODE_TARGET);
   OperandStackDepthDecrement(arg_count + 1);
   PrepareForBailoutForId(expr->ReturnId(), TOS_REG);
-  // Restore context register.
-  __ movp(rsi, Operand(rbp, StandardFrameConstants::kContextOffset));
+  RestoreContext();
   context()->Plug(rax);
 }
 
@@ -2601,10 +2599,7 @@ void FullCodeGenerator::EmitSuperConstructorCall(Call* expr) {
   OperandStackDepthDecrement(arg_count + 1);
 
   RecordJSReturnSite(expr);
-
-  // Restore context register.
-  __ movp(rsi, Operand(rbp, StandardFrameConstants::kContextOffset));
-
+  RestoreContext();
   context()->Plug(rax);
 }
 
@@ -3003,8 +2998,7 @@ void FullCodeGenerator::EmitCall(CallRuntime* expr) {
   __ Set(rax, argc);
   __ Call(isolate()->builtins()->Call(), RelocInfo::CODE_TARGET);
   OperandStackDepthDecrement(argc + 1);
-  // Restore context register.
-  __ movp(rsi, Operand(rbp, StandardFrameConstants::kContextOffset));
+  RestoreContext();
   // Discard the function left on TOS.
   context()->DropAndPlug(1, rax);
 }
@@ -3123,9 +3117,7 @@ void FullCodeGenerator::EmitCallJSRuntimeFunction(CallRuntime* expr) {
   __ Call(isolate()->builtins()->Call(ConvertReceiverMode::kNullOrUndefined),
           RelocInfo::CODE_TARGET);
   OperandStackDepthDecrement(arg_count + 1);
-
-  // Restore context register.
-  __ movp(rsi, Operand(rbp, StandardFrameConstants::kContextOffset));
+  RestoreContext();
 }
 
 
@@ -3597,7 +3589,7 @@ void FullCodeGenerator::VisitCompareOperation(CompareOperation* expr) {
     case Token::IN:
       VisitForStackValue(expr->right());
       SetExpressionPosition(expr);
-      CallRuntimeWithOperands(Runtime::kHasProperty);
+      EmitHasProperty();
       PrepareForBailoutBeforeSplit(expr, false, NULL, NULL);
       __ CompareRoot(rax, Heap::kTrueValueRootIndex);
       Split(equal, if_true, if_false, fall_through);