Small IL cleanup.

runtime/vm/intermediate_language_x64.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/globals.h"  // Needed here to get TARGET_ARCH_X64.
 #if defined(TARGET_ARCH_X64)
 
 #include "vm/intermediate_language.h"
 
 #include "lib/error.h"
@@ skipping 1939 matching lines @@
     case Token::kBIT_NOT:
       __ notq(value);
       __ andq(value, Immediate(~kSmiTagMask));  // Remove inverted smi-tag.
       break;
     default:
       UNREACHABLE();
   }
 }
 
 
-LocationSummary* DoubleToDoubleInstr::MakeLocationSummary() const {
-  const intptr_t kNumInputs = 1;
-  const intptr_t kNumTemps = 0;
-  LocationSummary* locs =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
-  locs->set_in(0, Location::RequiresRegister());
-  locs->set_out(Location::SameAsFirstInput());
-  return locs;
-}
-
-
-void DoubleToDoubleInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
-  Register value = locs()->in(0).reg();
-  Register result = locs()->out().reg();
-
-  Label* deopt = compiler->AddDeoptStub(instance_call()->deopt_id(),
-                                        kDeoptDoubleToDouble);
-
-  __ testq(value, Immediate(kSmiTagMask));
-  __ j(ZERO, deopt);  // Deoptimize if Smi.
-  __ CompareClassId(value, kDoubleCid);
-  __ j(NOT_EQUAL, deopt);  // Deoptimize if not Double.
-  ASSERT(value == result);
-}
-
-
 LocationSummary* SmiToDoubleInstr::MakeLocationSummary() const {
   return MakeCallSummary();  // Calls a stub to allocate result.
 }
 
 
 void SmiToDoubleInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   Register result = locs()->out().reg();
 
   Label* deopt = compiler->AddDeoptStub(instance_call()->deopt_id(),
                                         kDeoptIntegerToDouble);
@@ skipping 311 matching lines @@
 
 void ShiftMintOpInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   UNIMPLEMENTED();
 }
 
 }  // namespace dart
 
 #undef __
 
 #endif  // defined TARGET_ARCH_X64