Bug 1637220 - Transpile GuardToInt32ModUint32. r=jandem

Differential Revision: https://phabricator.services.mozilla.com/D74915

js/src/jit/CacheIROps.yaml

@@ -138,7 +138,7 @@
 
 - name: GuardToInt32ModUint32
   shared: true
-  transpile: false
+  transpile: true
   args:
     input: ValId
     result: Int32Id

js/src/jit/WarpCacheIRTranspiler.cpp

@@ -355,6 +355,11 @@ bool WarpCacheIRTranspiler::emitTruncateDoubleToUInt32(
   return defineOperand(resultId, ins);
 }
 
+bool WarpCacheIRTranspiler::emitGuardToInt32ModUint32(ValOperandId valId,
+                                                      Int32OperandId resultId) {
+  return emitTruncateDoubleToUInt32(valId, resultId);
+}
+
 bool WarpCacheIRTranspiler::emitLoadInt32Result(Int32OperandId valId) {
   MDefinition* val = getOperand(valId);
   MOZ_ASSERT(val->type() == MIRType::Int32);