[turbofan] Implemented the TruncateFloat32ToUint64 TurboFan operator.

src/compiler/arm64/instruction-selector-arm64.cc

Index: src/compiler/arm64/instruction-selector-arm64.cc
diff --git a/src/compiler/arm64/instruction-selector-arm64.cc b/src/compiler/arm64/instruction-selector-arm64.cc
index 4b3cd4c3b5b8b601bb2410e61782f36f52895da1..53899568ad045768accdbccc96139f90e66238bd 100644
--- a/src/compiler/arm64/instruction-selector-arm64.cc
+++ b/src/compiler/arm64/instruction-selector-arm64.cc
@@ -1247,6 +1247,11 @@ void InstructionSelector::VisitTruncateFloat64ToInt64(Node* node) {
 }
 
 
+void InstructionSelector::VisitTruncateFloat32ToUint64(Node* node) {
+  VisitRR(this, kArm64Float32ToUint64, node);
+}
+
+
 void InstructionSelector::VisitTruncateFloat64ToUint64(Node* node) {
   VisitRR(this, kArm64Float64ToUint64, node);
 }