Add a location summary to LoadLocal, StoreLocal and ConstantVal.

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/flow_graph_compiler.h"
 #include "vm/locations.h"
 #include "vm/stub_code.h"
@@ skipping 121 matching lines @@
 void StaticCallComp::EmitNativeCode(FlowGraphCompiler* compiler) {
   ASSERT(VerifyCallComputation(this));
   compiler->EmitStaticCall(token_index(),
                            try_index(),
                            function(),
                            ArgumentCount(),
                            argument_names());
 }
 
 
+LocationSummary* LoadLocalComp::MakeLocationSummary() {
+  return MakeSimpleLocationSummary(0, Location::RequiresRegister());
+}
+
+
+void LoadLocalComp::EmitNativeCode(FlowGraphCompiler* compiler) {
+  Register result = locs()->out().reg();
+  __ movq(result, Address(RBP, local().index() * kWordSize));
+}
+
+
+LocationSummary* StoreLocalComp::MakeLocationSummary() {
+  return MakeSimpleLocationSummary(1, Location::SameAsFirstInput());
+}
+
+
+void StoreLocalComp::EmitNativeCode(FlowGraphCompiler* compiler) {
+  Register value = locs()->in(0).reg();
+  Register result = locs()->out().reg();
+  ASSERT(result == value);  // Assert that register assignment is correct.
+  __ movq(Address(RBP, local().index() * kWordSize), value);
+}
+
+
 void BindInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   computation()->EmitNativeCode(compiler);
   __ pushq(locs()->out().reg());
 }
 
 
+LocationSummary* ConstantVal::MakeLocationSummary() {
+  return MakeSimpleLocationSummary(0, Location::RequiresRegister());
+}
+
+
+void ConstantVal::EmitNativeCode(FlowGraphCompiler* compiler) {
+  Register result = locs()->out().reg();
+  if (value().IsSmi()) {
+    int64_t imm = reinterpret_cast<int64_t>(value().raw());
+    __ movq(result, Immediate(imm));
+  } else {
+    __ LoadObject(result, value());
+  }
+}
+
+
 }  // namespace dart
 
 #undef __
 
 #endif  // defined TARGET_ARCH_X64