MIPS: Handle constants in new space by making macro-assembler smarter.

src/mips/full-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 1144 matching lines @@
   __ jmp(&exit);
 
   // We got a fixed array in register v0. Iterate through that.
   Label non_proxy;
   __ bind(&fixed_array);
 
   Handle<Cell> cell = isolate()->factory()->NewCell(
       Handle<Object>(Smi::FromInt(TypeFeedbackCells::kForInFastCaseMarker),
                      isolate()));
   RecordTypeFeedbackCell(stmt->ForInFeedbackId(), cell);
-  __ LoadHeapObject(a1, cell);
+  __ li(a1, cell);
   __ li(a2, Operand(Smi::FromInt(TypeFeedbackCells::kForInSlowCaseMarker)));
   __ sw(a2, FieldMemOperand(a1, Cell::kValueOffset));
 
   __ li(a1, Operand(Smi::FromInt(1)));  // Smi indicates slow check
   __ lw(a2, MemOperand(sp, 0 * kPointerSize));  // Get enumerated object
   STATIC_ASSERT(FIRST_JS_PROXY_TYPE == FIRST_SPEC_OBJECT_TYPE);
   __ GetObjectType(a2, a3, a3);
   __ Branch(&non_proxy, gt, a3, Operand(LAST_JS_PROXY_TYPE));
   __ li(a1, Operand(Smi::FromInt(0)));  // Zero indicates proxy
   __ bind(&non_proxy);
@@ skipping 3817 matching lines @@
       Assembler::target_address_at(pc_immediate_load_address)) ==
          reinterpret_cast<uint32_t>(
              isolate->builtins()->OsrAfterStackCheck()->entry()));
   return OSR_AFTER_STACK_CHECK;
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_MIPS