PPC: Optimize the typeof operator.

src/ppc/lithium-ppc.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <sstream>
 
 #include "src/v8.h"
 
 #include "src/hydrogen-osr.h"
 #include "src/lithium-inl.h"
@@ skipping 2482 matching lines @@
 
 LInstruction* LChunkBuilder::DoToFastProperties(HToFastProperties* instr) {
   LOperand* object = UseFixed(instr->value(), r3);
   LToFastProperties* result = new (zone()) LToFastProperties(object);
   return MarkAsCall(DefineFixed(result, r3), instr);
 }
 
 
 LInstruction* LChunkBuilder::DoTypeof(HTypeof* instr) {
   LOperand* context = UseFixed(instr->context(), cp);
-  LTypeof* result = new (zone()) LTypeof(context, UseFixed(instr->value(), r3));
+  LOperand* value = UseFixed(instr->value(), r6);
+  LTypeof* result = new (zone()) LTypeof(context, value);
   return MarkAsCall(DefineFixed(result, r3), instr);
 }
 
 
 LInstruction* LChunkBuilder::DoTypeofIsAndBranch(HTypeofIsAndBranch* instr) {
   return new (zone()) LTypeofIsAndBranch(UseRegister(instr->value()));
 }
 
 
 LInstruction* LChunkBuilder::DoIsConstructCallAndBranch(
@@ skipping 99 matching lines @@
 LInstruction* LChunkBuilder::DoAllocateBlockContext(
     HAllocateBlockContext* instr) {
   LOperand* context = UseFixed(instr->context(), cp);
   LOperand* function = UseRegisterAtStart(instr->function());
   LAllocateBlockContext* result =
       new (zone()) LAllocateBlockContext(context, function);
   return MarkAsCall(DefineFixed(result, cp), instr);
 }
 }
 }  // namespace v8::internal