Add support for uint64 compares to TurboFan.

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 554 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::kUint64LessThan:
+      return VisitUint64LessThan(node);
     case IrOpcode::kChangeFloat32ToFloat64:
       return MarkAsDouble(node), VisitChangeFloat32ToFloat64(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);
@@ skipping 103 matching lines @@
   VisitWord64Compare(node, &cont);
 }
 
 
 void InstructionSelector::VisitInt64LessThanOrEqual(Node* node) {
   FlagsContinuation cont(kSignedLessThanOrEqual, node);
   VisitWord64Compare(node, &cont);
 }
 
 
+void InstructionSelector::VisitUint64LessThan(Node* node) {
+  FlagsContinuation cont(kUnsignedLessThan, node);
+  VisitWord64Compare(node, &cont);
+}
+
+
 void InstructionSelector::VisitTruncateFloat64ToInt32(Node* node) {
   OperandGenerator g(this);
   Emit(kArchTruncateDoubleToI, g.DefineAsRegister(node),
        g.UseRegister(node->InputAt(0)));
 }
 
 
 void InstructionSelector::VisitFloat64Equal(Node* node) {
   FlagsContinuation cont(kUnorderedEqual, node);
   VisitFloat64Compare(node, &cont);
@@ skipping 214 matching lines @@
         return VisitWord32Compare(value, &cont);
       case IrOpcode::kWord64Equal:
         cont.OverwriteAndNegateIfEqual(kEqual);
         return VisitWord64Compare(value, &cont);
       case IrOpcode::kInt64LessThan:
         cont.OverwriteAndNegateIfEqual(kSignedLessThan);
         return VisitWord64Compare(value, &cont);
       case IrOpcode::kInt64LessThanOrEqual:
         cont.OverwriteAndNegateIfEqual(kSignedLessThanOrEqual);
         return VisitWord64Compare(value, &cont);
+      case IrOpcode::kUint64LessThan:
+        cont.OverwriteAndNegateIfEqual(kUnsignedLessThan);
+        return VisitWord64Compare(value, &cont);
       case IrOpcode::kFloat64Equal:
         cont.OverwriteAndNegateIfEqual(kUnorderedEqual);
         return VisitFloat64Compare(value, &cont);
       case IrOpcode::kFloat64LessThan:
         cont.OverwriteAndNegateIfEqual(kUnorderedLessThan);
         return VisitFloat64Compare(value, &cont);
       case IrOpcode::kFloat64LessThanOrEqual:
         cont.OverwriteAndNegateIfEqual(kUnorderedLessThanOrEqual);
         return VisitFloat64Compare(value, &cont);
       case IrOpcode::kProjection:
@@ skipping 156 matching lines @@
 
 
 void InstructionSelector::VisitCall(Node* call, BasicBlock* continuation,
                                     BasicBlock* deoptimization) {}
 
 #endif  // !V8_TURBOFAN_BACKEND
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8