[Atomics] Make Atomics.compareExchange a builtin using TF

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 4a25c2cd658320ee34833bd3e59ef675ffcdb2fe..ac07d6b427f062ea5c3a2207d799a5c8355c222d 100644
--- a/src/compiler/mips64/instruction-selector-mips64.cc
+++ b/src/compiler/mips64/instruction-selector-mips64.cc
@@ -2634,6 +2634,10 @@ void InstructionSelector::VisitAtomicStore(Node* node) {
 
 void InstructionSelector::VisitAtomicExchange(Node* node) { UNIMPLEMENTED(); }
 
+void InstructionSelector::VisitAtomicCompareExchange(Node* node) {
+  UNIMPLEMENTED();
+}
+
 // static
 MachineOperatorBuilder::Flags
 InstructionSelector::SupportedMachineOperatorFlags() {