Remove instantiator argument in generated code for type tests.

runtime/vm/intermediate_language_x64.cc

 // Copyright (c) 2013, 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 "vm/compiler.h"
@@ skipping 287 matching lines @@
         break;
       default:
         UNREACHABLE();
     }
   }
 }
 
 
 LocationSummary* AssertAssignableInstr::MakeLocationSummary(Zone* zone,
                                                             bool opt) const {
-  const intptr_t kNumInputs = 3;
+  const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary = new(zone) LocationSummary(
       zone, kNumInputs, kNumTemps, LocationSummary::kCall);
   summary->set_in(0, Location::RegisterLocation(RAX));  // Value.
-  summary->set_in(1, Location::RegisterLocation(RCX));  // Instantiator.
-  summary->set_in(2, Location::RegisterLocation(RDX));  // Type arguments.
+  summary->set_in(1, Location::RegisterLocation(RDX));  // Type arguments.
   summary->set_out(0, Location::RegisterLocation(RAX));
   return summary;
 }
 
 
 LocationSummary* AssertBooleanInstr::MakeLocationSummary(Zone* zone,
                                                          bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* locs = new(zone) LocationSummary(
@@ skipping 1681 matching lines @@
                        CanValueBeSmi());
   } else {
     __ StoreIntoObjectNoBarrier(
         temp, FieldAddress(temp, Field::static_value_offset()), value);
   }
 }
 
 
 LocationSummary* InstanceOfInstr::MakeLocationSummary(Zone* zone,
                                                       bool opt) const {
-  const intptr_t kNumInputs = 3;
+  const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary = new(zone) LocationSummary(
       zone, kNumInputs, kNumTemps, LocationSummary::kCall);
   summary->set_in(0, Location::RegisterLocation(RAX));
-  summary->set_in(1, Location::RegisterLocation(RCX));
-  summary->set_in(2, Location::RegisterLocation(RDX));
+  summary->set_in(1, Location::RegisterLocation(RDX));
   summary->set_out(0, Location::RegisterLocation(RAX));
   return summary;
 }
 
 
 void InstanceOfInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   ASSERT(locs()->in(0).reg() == RAX);  // Value.
-  ASSERT(locs()->in(1).reg() == RCX);  // Instantiator.
-  ASSERT(locs()->in(2).reg() == RDX);  // Instantiator type arguments.
+  ASSERT(locs()->in(1).reg() == RDX);  // Instantiator type arguments.
 
   compiler->GenerateInstanceOf(token_pos(),
                                deopt_id(),
                                type(),
                                negate_result(),
                                locs());
   ASSERT(locs()->out(0).reg() == RAX);
 }
 
 
@@ skipping 4413 matching lines @@
   __ Drop(1);
   __ popq(result);
 }
 
 
 }  // namespace dart
 
 #undef __
 
 #endif  // defined TARGET_ARCH_X64