[turbofan] Support for %_DoubleHi, %_DoubleLo and %_ConstructDouble.

src/compiler/verifier.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/verifier.h"
 
 #include <algorithm>
 #include <deque>
 #include <queue>
 #include <sstream>
@@ skipping 787 matching lines @@
     case IrOpcode::kTruncateInt64ToInt32:
     case IrOpcode::kTruncateFloat64ToFloat32:
     case IrOpcode::kTruncateFloat64ToInt32:
     case IrOpcode::kChangeInt32ToInt64:
     case IrOpcode::kChangeUint32ToUint64:
     case IrOpcode::kChangeInt32ToFloat64:
     case IrOpcode::kChangeUint32ToFloat64:
     case IrOpcode::kChangeFloat32ToFloat64:
     case IrOpcode::kChangeFloat64ToInt32:
     case IrOpcode::kChangeFloat64ToUint32:
+    case IrOpcode::kFloat64ExtractLowWord32:
+    case IrOpcode::kFloat64ExtractHighWord32:
+    case IrOpcode::kFloat64InsertLowWord32:
+    case IrOpcode::kFloat64InsertHighWord32:
     case IrOpcode::kLoadStackPointer:
     case IrOpcode::kCheckedLoad:
     case IrOpcode::kCheckedStore:
       // TODO(rossberg): Check.
       break;
   }
-}
+}  // NOLINT(readability/fn_size)
 
 
 void Verifier::Run(Graph* graph, Typing typing) {
   CHECK_NOT_NULL(graph->start());
   CHECK_NOT_NULL(graph->end());
   Zone zone;
   Visitor visitor(&zone, typing);
   for (Node* node : AllNodes(&zone, graph).live) visitor.Check(node);
 }
 
@@ skipping 228 matching lines @@
     // Check inputs for all nodes in the block.
     for (size_t i = 0; i < block->NodeCount(); i++) {
       Node* node = block->NodeAt(i);
       CheckInputsDominate(schedule, block, node, static_cast<int>(i) - 1);
     }
   }
 }
 }
 }
 }  // namespace v8::internal::compiler