Refactor our IL instruction for static setters.

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 1002 matching lines @@
                                    token_pos(),
                                    try_index(),
                                    function_name,
                                    kArgumentCount,
                                    Array::ZoneHandle(),
                                    kCheckedArgumentCount);
   }
 }
 
 
-LocationSummary* StaticSetterComp::MakeLocationSummary() const {
-  const intptr_t kNumInputs = 1;
-  return LocationSummary::Make(kNumInputs,
-                               Location::RequiresRegister(),
-                               LocationSummary::kNoCall);
-}
-
-
-void StaticSetterComp::EmitNativeCode(FlowGraphCompiler* compiler) {
-  Register value = locs()->in(0).reg();
-  Register result = locs()->out().reg();
-
-  // Preserve the argument as the result of the computation,
-  // then call the setter.
-
-  // Duplicate the argument.
-  // TODO(fschneider): Avoid preserving the value if the result is not used.
-  __ pushq(value);
-  __ pushq(value);
-  compiler->GenerateStaticCall(cid(),
-                               token_pos(),
-                               try_index(),
-                               setter_function(),
-                               1,
-                               Array::ZoneHandle());
-  __ popq(result);
-}
-
-
 LocationSummary* LoadInstanceFieldComp::MakeLocationSummary() const {
   // TODO(fschneider): For this instruction the input register may be
   // reused for the result (but is not required to) because the input
   // is not used after the result is defined.  We should consider adding
   // this information to the input policy.
   return LocationSummary::Make(1,
                                Location::RequiresRegister(),
                                LocationSummary::kNoCall);
 }
 
@@ skipping 1141 matching lines @@
   ASSERT(locs()->out().reg() == RAX);
   __ CompareObject(locs()->out().reg(), compiler->bool_true());
   EmitBranchOnCondition(compiler, branch_condition);
 }
 
 }  // namespace dart
 
 #undef __
 
 #endif  // defined TARGET_ARCH_X64