Implement SmiToInt and DoubleToInt.

runtime/vm/intermediate_language.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/intermediate_language.h"
 
 #include "vm/bit_vector.h"
 #include "vm/dart_entry.h"
 #include "vm/flow_graph_allocator.h"
 #include "vm/flow_graph_builder.h"
@@ skipping 1280 matching lines @@
 RawAbstractType* DoubleToDoubleInstr::CompileType() const {
   return Type::Double();
 }
 
 
 RawAbstractType* SmiToDoubleInstr::CompileType() const {
   return Type::Double();
 }
 
 
+RawAbstractType* IntegerToIntegerInstr::CompileType() const {
+  return Type::IntType();
+}
+
+
+RawAbstractType* DoubleToIntegerInstr::CompileType() const {
+  return Type::IntType();
+}
+
+
 RawAbstractType* CheckClassInstr::CompileType() const {
   return AbstractType::null();
 }
 
 
 RawAbstractType* CheckSmiInstr::CompileType() const {
   return AbstractType::null();
 }
 
 
@@ skipping 545 matching lines @@
   // In SSA mode, we need an explicit push. Nothing to do in non-SSA mode
   // where PushArgument is handled by BindInstr::EmitNativeCode.
   // TODO(fschneider): Avoid special-casing for SSA mode here.
   if (compiler->is_optimizing()) {
     ASSERT(locs()->in(0).IsRegister());
     __ PushRegister(locs()->in(0).reg());
   }
 }
 
 
+LocationSummary* IntegerToIntegerInstr::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 IntegerToIntegerInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
+  Register value = locs()->in(0).reg();
+  Register result = locs()->out().reg();
+  ASSERT(value == result);
+}
+
+
 Environment* Environment::From(const GrowableArray<Definition*>& definitions,
                                intptr_t fixed_parameter_count,
                                const Function& function) {
   Environment* env =
       new Environment(definitions.length(),
                       fixed_parameter_count,
                       Isolate::kNoDeoptId,
                       function,
                       NULL);
   for (intptr_t i = 0; i < definitions.length(); ++i) {
@@ skipping 203 matching lines @@
     new_max = new_max.Clamp();
   }
 
   return Range::Update(&range_, new_min, new_max);
 }
 
 
 #undef __
 
 }  // namespace dart