[wasm] Fixed float-to-int conversion tests.

src/compiler/ia32/instruction-selector-ia32.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/base/adapters.h"
 #include "src/compiler/instruction-selector-impl.h"
 #include "src/compiler/node-matchers.h"
 #include "src/compiler/node-properties.h"
 
 namespace v8 {
@@ skipping 820 matching lines @@
 
 void InstructionSelector::VisitChangeFloat64ToInt32(Node* node) {
   VisitRO(this, node, kSSEFloat64ToInt32);
 }
 
 
 void InstructionSelector::VisitChangeFloat64ToUint32(Node* node) {
   VisitRO(this, node, kSSEFloat64ToUint32);
 }
 
+void InstructionSelector::VisitTruncateFloat64ToUint32(Node* node) {
+  VisitRO(this, node, kSSEFloat64ToUint32);
+}
 
 void InstructionSelector::VisitTruncateFloat64ToFloat32(Node* node) {
   VisitRO(this, node, kSSEFloat64ToFloat32);
 }
 
 
 void InstructionSelector::VisitTruncateFloat64ToInt32(Node* node) {
   switch (TruncationModeOf(node->op())) {
     case TruncationMode::kJavaScript:
       return VisitRR(this, node, kArchTruncateDoubleToI);
@@ skipping 680 matching lines @@
              MachineOperatorBuilder::kFloat64RoundTruncate |
              MachineOperatorBuilder::kFloat32RoundTiesEven |
              MachineOperatorBuilder::kFloat64RoundTiesEven;
   }
   return flags;
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8