Add UseAny to create a LOperand without register preference....

src/x64/lithium-x64.cc

 // Copyright 2011 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 553 matching lines @@
 }
 
 
 LOperand* LChunkBuilder::UseRegisterOrConstantAtStart(HValue* value) {
   return value->IsConstant()
       ? chunk_->DefineConstantOperand(HConstant::cast(value))
       : UseRegisterAtStart(value);
 }
 
 
+LOperand* LChunkBuilder::UseAny(HValue* value) {
+  return value->IsConstant()
+      ? chunk_->DefineConstantOperand(HConstant::cast(value))
+      :  Use(value, new LUnallocated(LUnallocated::ANY));
+}
+
+
 LOperand* LChunkBuilder::Use(HValue* value, LUnallocated* operand) {
   if (value->EmitAtUses()) {
     HInstruction* instr = HInstruction::cast(value);
     VisitInstruction(instr);
   }
   allocator_->RecordUse(value, operand);
   return operand;
 }
 
 
@@ skipping 272 matching lines @@
                                           outer);
   int argument_index = 0;
   for (int i = 0; i < value_count; ++i) {
     HValue* value = hydrogen_env->values()->at(i);
     LOperand* op = NULL;
     if (value->IsArgumentsObject()) {
       op = NULL;
     } else if (value->IsPushArgument()) {
       op = new LArgument(argument_index++);
     } else {
-      op = UseOrConstant(value);
-      if (op->IsUnallocated()) {
-        LUnallocated* unalloc = LUnallocated::cast(op);
-        unalloc->set_policy(LUnallocated::ANY);
-      }
+      op = UseAny(value);
     }
     result->AddValue(op, value->representation());
   }
 
   return result;
 }
 
 
 LInstruction* LChunkBuilder::DoGoto(HGoto* instr) {
   LGoto* result = new LGoto(instr->FirstSuccessor()->block_id(),
@@ skipping 545 matching lines @@
 
 
 LInstruction* LChunkBuilder::DoLeaveInlined(HLeaveInlined* instr) {
   Abort("Unimplemented: %s", "DoLeaveInlined");
   return NULL;
 }
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64