1 files changed, 15 insertions, 0 deletions
diff --git a/deps/v8/test/cctest/compiler/call-tester.h b/deps/v8/test/cctest/compiler/call-tester.h
index ffafaf0803..30bbe1e8aa 100644
--- a/deps/v8/test/cctest/compiler/call-tester.h
+++ b/deps/v8/test/cctest/compiler/call-tester.h
@@ -128,6 +128,20 @@ struct ParameterTraits<T*> {
   static uintptr_t Cast(void* r) { return reinterpret_cast<uintptr_t>(r); }
 };
 
+// Additional template specialization required for mips64 to sign-extend
+// parameters defined by calling convention.
+template <>
+struct ParameterTraits<int32_t> {
+  static int64_t Cast(int32_t r) { return static_cast<int64_t>(r); }
+};
+
+template <>
+struct ParameterTraits<uint32_t> {
+  static int64_t Cast(uint32_t r) {
+    return static_cast<int64_t>(static_cast<int32_t>(r));
+  }
+};
+
 class CallHelper {
  public:
   explicit CallHelper(Isolate* isolate, MachineSignature* machine_sig)
@@ -214,6 +228,7 @@ class CallHelper {
     return static_cast<uintptr_t>(simulator->Call(f, 4, p1, p2, p3, p4));
   }
 
+
   template <typename R, typename F>
   R DoCall(F* f) {
     return ReturnValueTraits<R>::Cast(CallSimulator(FUNCTION_ADDR(f)));