Load getter from map descriptor instead of embedding it in handler.

src/ic/mips/handler-compiler-mips.cc

Index: src/ic/mips/handler-compiler-mips.cc
diff --git a/src/ic/mips/handler-compiler-mips.cc b/src/ic/mips/handler-compiler-mips.cc
index 6c9e006890013a58dfcc97ccc0f2ced30adb2218..00c3242f48a92a1ed670e08db985908540b8c77c 100644
--- a/src/ic/mips/handler-compiler-mips.cc
+++ b/src/ic/mips/handler-compiler-mips.cc
@@ -18,7 +18,7 @@ namespace internal {
 
 void NamedLoadHandlerCompiler::GenerateLoadViaGetter(
     MacroAssembler* masm, Handle<HeapType> type, Register receiver,
-    Handle<JSFunction> getter) {
+    Register holder, int accessor_index, int expected_arguments) {
   // ----------- S t a t e -------------
   //  -- a0    : receiver
   //  -- a2    : name
@@ -27,7 +27,7 @@ void NamedLoadHandlerCompiler::GenerateLoadViaGetter(
   {
     FrameScope scope(masm, StackFrame::INTERNAL);
 
-    if (!getter.is_null()) {
+    if (accessor_index >= 0) {
       // Call the JavaScript getter with the receiver on the stack.
       if (IC::TypeToMap(*type, masm->isolate())->IsJSGlobalObjectMap()) {
         // Swap in the global receiver.
@@ -36,9 +36,14 @@ void NamedLoadHandlerCompiler::GenerateLoadViaGetter(
       }
       __ push(receiver);
       ParameterCount actual(0);
-      ParameterCount expected(getter);
-      __ InvokeFunction(getter, expected, actual, CALL_FUNCTION,
-                        NullCallWrapper());
+      ParameterCount expected(expected_arguments);
+      Register scratch = holder;
+      __ lw(scratch, FieldMemOperand(holder, HeapObject::kMapOffset));
+      __ LoadInstanceDescriptors(scratch, scratch);
+      __ lw(scratch, FieldMemOperand(scratch, DescriptorArray::GetValueOffset(
+                                                  accessor_index)));
+      __ lw(a1, FieldMemOperand(scratch, AccessorPair::kGetterOffset));
+      __ InvokeFunction(a1, expected, actual, CALL_FUNCTION, NullCallWrapper());
     } else {
       // If we generate a global code snippet for deoptimization only, remember
       // the place to continue after deoptimization.