[turbofan] Implemented the RoundUint64ToFloat32 TurboFan operator for x64, arm64,

src/compiler/mips64/instruction-selector-mips64.cc

Index: src/compiler/mips64/instruction-selector-mips64.cc
diff --git a/src/compiler/mips64/instruction-selector-mips64.cc b/src/compiler/mips64/instruction-selector-mips64.cc
index 4f5eebf1a764ae0a7b077ca0fbd994ed35dd88af..e7b6585ee6eadd931b4aaf24e14476361a739847 100644
--- a/src/compiler/mips64/instruction-selector-mips64.cc
+++ b/src/compiler/mips64/instruction-selector-mips64.cc
@@ -627,6 +627,11 @@ void InstructionSelector::VisitRoundInt64ToFloat64(Node* node) {
 }
 
 
+void InstructionSelector::VisitRoundUint64ToFloat32(Node* node) {
+  VisitRR(this, kMips64CvtSUl, node);
+}
+
+
 void InstructionSelector::VisitRoundUint64ToFloat64(Node* node) {
   VisitRR(this, kMips64CvtDUl, node);
 }