MIPS: swap in global proxy on accessors.

src/mips/stub-cache-mips.cc

Index: src/mips/stub-cache-mips.cc
diff --git a/src/mips/stub-cache-mips.cc b/src/mips/stub-cache-mips.cc
index 10813eb02dc2911529032c93d42c7cc8b6e9b137..60ab0b8704e047c85a92e04b63d336f5a5e2b13d 100644
--- a/src/mips/stub-cache-mips.cc
+++ b/src/mips/stub-cache-mips.cc
@@ -1270,6 +1270,7 @@ Handle<Code> StoreStubCompiler::CompileStoreCallback(
 
 void StoreStubCompiler::GenerateStoreViaSetter(
     MacroAssembler* masm,
+    Handle<HeapType> type,
     Handle<JSFunction> setter) {
   // ----------- S t a t e -------------
   //  -- a0    : value
@@ -1279,13 +1280,21 @@ void StoreStubCompiler::GenerateStoreViaSetter(
   // -----------------------------------
   {
     FrameScope scope(masm, StackFrame::INTERNAL);
+    Register receiver = a1;
+    Register value = a0;
 
     // Save value register, so we can restore it later.
-    __ push(a0);
+    __ push(value);
 
     if (!setter.is_null()) {
       // Call the JavaScript setter with receiver and value on the stack.
-      __ Push(a1, a0);
+      if (IC::TypeToMap(*type, masm->isolate())->IsJSGlobalObjectMap()) {
+        // Swap in the global receiver.
+        __ lw(receiver,
+               FieldMemOperand(
+                   receiver, JSGlobalObject::kGlobalReceiverOffset));
+      }
+      __ Push(receiver, value);
       ParameterCount actual(1);
       ParameterCount expected(setter);
       __ InvokeFunction(setter, expected, actual,
@@ -1391,6 +1400,7 @@ Register* KeyedStoreStubCompiler::registers() {
 
 
 void LoadStubCompiler::GenerateLoadViaGetter(MacroAssembler* masm,
+                                             Handle<HeapType> type,
                                              Register receiver,
                                              Handle<JSFunction> getter) {
   // ----------- S t a t e -------------
@@ -1403,6 +1413,12 @@ void LoadStubCompiler::GenerateLoadViaGetter(MacroAssembler* masm,
 
     if (!getter.is_null()) {
       // Call the JavaScript getter with the receiver on the stack.
+      if (IC::TypeToMap(*type, masm->isolate())->IsJSGlobalObjectMap()) {
+        // Swap in the global receiver.
+        __ lw(receiver,
+                FieldMemOperand(
+                    receiver, JSGlobalObject::kGlobalReceiverOffset));
+      }
       __ push(receiver);
       ParameterCount actual(0);
       ParameterCount expected(getter);