[Atomics] Make Atomics.compareExchange a builtin using TF

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

Index: src/compiler/mips/instruction-selector-mips.cc
diff --git a/src/compiler/mips/instruction-selector-mips.cc b/src/compiler/mips/instruction-selector-mips.cc
index b3039ceb2b530ecf895b03560e2f85ec1639d3fd..c8cfc09f69af5c08e582203e604b3884d26d93fc 100644
--- a/src/compiler/mips/instruction-selector-mips.cc
+++ b/src/compiler/mips/instruction-selector-mips.cc
@@ -1887,6 +1887,10 @@ void InstructionSelector::VisitAtomicStore(Node* node) {
 
 void InstructionSelector::VisitAtomicExchange(Node* node) { UNIMPLEMENTED(); }
 
+void InstructionSelector::VisitAtomicCompareExchange(Node* node) {
+  UNIMPLEMENTED();
+}
+
 // static
 MachineOperatorBuilder::Flags
 InstructionSelector::SupportedMachineOperatorFlags() {