[turbofan] Add proper conversion operators for int32<->int64.

src/compiler/instruction-selector.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/compiler/instruction-selector.h"
 
 #include "src/compiler/instruction-selector-impl.h"
 #include "src/compiler/node-matchers.h"
 #include "src/compiler/node-properties-inl.h"
 #include "src/compiler/pipeline.h"
@@ skipping 557 matching lines @@
     case IrOpcode::kInt64UDiv:
       return VisitInt64UDiv(node);
     case IrOpcode::kInt64Mod:
       return VisitInt64Mod(node);
     case IrOpcode::kInt64UMod:
       return VisitInt64UMod(node);
     case IrOpcode::kInt64LessThan:
       return VisitInt64LessThan(node);
     case IrOpcode::kInt64LessThanOrEqual:
       return VisitInt64LessThanOrEqual(node);
-    case IrOpcode::kConvertInt32ToInt64:
-      return VisitConvertInt32ToInt64(node);
-    case IrOpcode::kConvertInt64ToInt32:
-      return VisitConvertInt64ToInt32(node);
     case IrOpcode::kChangeInt32ToFloat64:
       return MarkAsDouble(node), VisitChangeInt32ToFloat64(node);
     case IrOpcode::kChangeUint32ToFloat64:
       return MarkAsDouble(node), VisitChangeUint32ToFloat64(node);
     case IrOpcode::kChangeFloat64ToInt32:
       return VisitChangeFloat64ToInt32(node);
     case IrOpcode::kChangeFloat64ToUint32:
       return VisitChangeFloat64ToUint32(node);
+    case IrOpcode::kChangeInt32ToInt64:
+      return VisitChangeInt32ToInt64(node);
+    case IrOpcode::kChangeUint32ToUint64:
+      return VisitChangeUint32ToUint64(node);
+    case IrOpcode::kTruncateInt64ToInt32:
+      return VisitTruncateInt64ToInt32(node);
     case IrOpcode::kFloat64Add:
       return MarkAsDouble(node), VisitFloat64Add(node);
     case IrOpcode::kFloat64Sub:
       return MarkAsDouble(node), VisitFloat64Sub(node);
     case IrOpcode::kFloat64Mul:
       return MarkAsDouble(node), VisitFloat64Mul(node);
     case IrOpcode::kFloat64Div:
       return MarkAsDouble(node), VisitFloat64Div(node);
     case IrOpcode::kFloat64Mod:
       return MarkAsDouble(node), VisitFloat64Mod(node);
@@ skipping 145 matching lines @@
 
 void InstructionSelector::VisitInt64UDiv(Node* node) { UNIMPLEMENTED(); }
 
 
 void InstructionSelector::VisitInt64Mod(Node* node) { UNIMPLEMENTED(); }
 
 
 void InstructionSelector::VisitInt64UMod(Node* node) { UNIMPLEMENTED(); }
 
 
-void InstructionSelector::VisitConvertInt64ToInt32(Node* node) {
+void InstructionSelector::VisitChangeInt32ToInt64(Node* node) {
   UNIMPLEMENTED();
 }
 
 
-void InstructionSelector::VisitConvertInt32ToInt64(Node* node) {
+void InstructionSelector::VisitChangeUint32ToUint64(Node* node) {
   UNIMPLEMENTED();
 }
 
+
+void InstructionSelector::VisitTruncateInt64ToInt32(Node* node) {
+  UNIMPLEMENTED();
+}
+
 #endif  // V8_TARGET_ARCH_32_BIT && V8_TURBOFAN_BACKEND
 
 
 // 32-bit targets and unsupported architectures need dummy implementations of
 // selected 64-bit ops.
 #if V8_TARGET_ARCH_32_BIT || !V8_TURBOFAN_BACKEND
 
 void InstructionSelector::VisitWord64Test(Node* node, FlagsContinuation* cont) {
   UNIMPLEMENTED();
 }
@@ skipping 277 matching lines @@
 
 
 void InstructionSelector::VisitCall(Node* call, BasicBlock* continuation,
                                     BasicBlock* deoptimization) {}
 
 #endif  // !V8_TURBOFAN_BACKEND
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8