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

src/full-codegen/mips/full-codegen-mips.cc

Index: src/full-codegen/mips/full-codegen-mips.cc
diff --git a/src/full-codegen/mips/full-codegen-mips.cc b/src/full-codegen/mips/full-codegen-mips.cc
index 4289b7dbd3ef0a5defc7188e90f63154d83c41e0..3b4c93fe4c304b042eaf20eb80b2bc6986de6cb3 100644
--- a/src/full-codegen/mips/full-codegen-mips.cc
+++ b/src/full-codegen/mips/full-codegen-mips.cc
@@ -459,6 +459,9 @@ void FullCodeGenerator::EmitReturnSequence() {
   }
 }
 
+void FullCodeGenerator::RestoreContext() {
+  __ lw(cp, MemOperand(fp, StandardFrameConstants::kContextOffset));
+}
 
 void FullCodeGenerator::StackValueContext::Plug(Variable* var) const {
   DCHECK(var->IsStackAllocated() || var->IsContextSlot());
@@ -1413,7 +1416,7 @@ void FullCodeGenerator::VisitObjectLiteral(ObjectLiteral* expr) {
   } else {
     FastCloneShallowObjectStub stub(isolate(), expr->properties_count());
     __ CallStub(&stub);
-    __ lw(cp, MemOperand(fp, StandardFrameConstants::kContextOffset));
+    RestoreContext();
   }
   PrepareForBailoutForId(expr->CreateLiteralId(), TOS_REG);
 
@@ -1859,7 +1862,7 @@ void FullCodeGenerator::VisitYield(Yield* expr) {
   __ Branch(&post_runtime, eq, sp, Operand(a1));
   __ push(v0);  // generator object
   __ CallRuntime(Runtime::kSuspendJSGeneratorObject, 1);
-  __ lw(cp, MemOperand(fp, StandardFrameConstants::kContextOffset));
+  RestoreContext();
   __ bind(&post_runtime);
   PopOperand(result_register());
   EmitReturnSequence();
@@ -2532,8 +2535,7 @@ void FullCodeGenerator::EmitCall(Call* expr, ConvertReceiverMode mode) {
   OperandStackDepthDecrement(arg_count + 1);
 
   RecordJSReturnSite(expr);
-  // Restore context register.
-  __ lw(cp, MemOperand(fp, StandardFrameConstants::kContextOffset));
+  RestoreContext();
   context()->DropAndPlug(1, v0);
 }
 
@@ -2639,8 +2641,7 @@ void FullCodeGenerator::EmitPossiblyEvalCall(Call* expr) {
           RelocInfo::CODE_TARGET);
   OperandStackDepthDecrement(arg_count + 1);
   RecordJSReturnSite(expr);
-  // Restore context register.
-  __ lw(cp, MemOperand(fp, StandardFrameConstants::kContextOffset));
+  RestoreContext();
   context()->DropAndPlug(1, v0);
 }
 
@@ -2680,8 +2681,7 @@ void FullCodeGenerator::VisitCallNew(CallNew* expr) {
   __ Call(stub.GetCode(), RelocInfo::CODE_TARGET);
   OperandStackDepthDecrement(arg_count + 1);
   PrepareForBailoutForId(expr->ReturnId(), TOS_REG);
-  // Restore context register.
-  __ lw(cp, MemOperand(fp, StandardFrameConstants::kContextOffset));
+  RestoreContext();
   context()->Plug(v0);
 }
 
@@ -2724,9 +2724,7 @@ void FullCodeGenerator::EmitSuperConstructorCall(Call* expr) {
   OperandStackDepthDecrement(arg_count + 1);
 
   RecordJSReturnSite(expr);
-
-  // Restore context register.
-  __ lw(cp, MemOperand(fp, StandardFrameConstants::kContextOffset));
+  RestoreContext();
   context()->Plug(v0);
 }
 
@@ -3137,8 +3135,7 @@ void FullCodeGenerator::EmitCall(CallRuntime* expr) {
   __ li(a0, Operand(argc));
   __ Call(isolate()->builtins()->Call(), RelocInfo::CODE_TARGET);
   OperandStackDepthDecrement(argc + 1);
-  // Restore context register.
-  __ lw(cp, MemOperand(fp, StandardFrameConstants::kContextOffset));
+  RestoreContext();
   // Discard the function left on TOS.
   context()->DropAndPlug(1, v0);
 }
@@ -3255,9 +3252,7 @@ void FullCodeGenerator::EmitCallJSRuntimeFunction(CallRuntime* expr) {
   __ Call(isolate()->builtins()->Call(ConvertReceiverMode::kNullOrUndefined),
           RelocInfo::CODE_TARGET);
   OperandStackDepthDecrement(arg_count + 1);
-
-  // Restore context register.
-  __ lw(cp, MemOperand(fp, StandardFrameConstants::kContextOffset));
+  RestoreContext();
 }
 
 
@@ -3724,7 +3719,7 @@ void FullCodeGenerator::VisitCompareOperation(CompareOperation* expr) {
     case Token::IN:
       VisitForStackValue(expr->right());
       SetExpressionPosition(expr);
-      CallRuntimeWithOperands(Runtime::kHasProperty);
+      EmitHasProperty();
       PrepareForBailoutBeforeSplit(expr, false, NULL, NULL);
       __ LoadRoot(t0, Heap::kTrueValueRootIndex);
       Split(eq, v0, Operand(t0), if_true, if_false, fall_through);