Deoptimization support for accessors.

src/mips/lithium-codegen-mips.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 444 matching lines @@
       : Translation::kSelfLiteralId;
 
   switch (environment->frame_type()) {
     case JS_FUNCTION:
       translation->BeginJSFrame(environment->ast_id(), closure_id, height);
       break;
     case JS_CONSTRUCT:
       translation->BeginConstructStubFrame(closure_id, translation_size);
       break;
     case JS_SETTER:
-      // TODO(svenpanne) Implement me!
+      ASSERT(translation_size == 2);
+      ASSERT(height == 0);
+      translation->BeginSetterStubFrame(closure_id);
       break;
     case ARGUMENTS_ADAPTOR:
       translation->BeginArgumentsAdaptorFrame(closure_id, translation_size);
       break;
   }
   for (int i = 0; i < translation_size; ++i) {
     LOperand* value = environment->values()->at(i);
     // spilled_registers_ and spilled_double_registers_ are either
     // both NULL or both set.
     if (environment->spilled_registers() != NULL && value != NULL) {
@@ skipping 4852 matching lines @@
   __ Subu(scratch, result, scratch);
   __ lw(result, FieldMemOperand(scratch,
                                 FixedArray::kHeaderSize - kPointerSize));
   __ bind(&done);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal