2 files changed, 13 insertions, 1 deletions
diff --git a/unsupported/Eigen/CXX11/src/util/CXX11Meta.h b/unsupported/Eigen/CXX11/src/util/CXX11Meta.h
index 49d315a66..bb584e3f9 100644
--- a/unsupported/Eigen/CXX11/src/util/CXX11Meta.h
+++ b/unsupported/Eigen/CXX11/src/util/CXX11Meta.h
@@ -268,6 +268,9 @@ template<
   typename Reducer
 > struct reduce<Reducer>
 {
+  #if defined(EIGEN_HIPCC)
+  EIGEN_DEVICE_FUNC
+  #endif
   constexpr static inline int run() { return Reducer::Identity; }
 };
 
@@ -276,6 +279,9 @@ template<
   typename A
 > struct reduce<Reducer, A>
 {
+  #if defined(EIGEN_HIPCC)
+  EIGEN_DEVICE_FUNC
+  #endif
   constexpr static inline A run(A a) { return a; }
 };
 
@@ -285,6 +291,9 @@ template<
   typename... Ts
 > struct reduce<Reducer, A, Ts...>
 {
+  #if defined(EIGEN_HIPCC)
+  EIGEN_DEVICE_FUNC
+  #endif
   constexpr static inline auto run(A a, Ts... ts) -> decltype(Reducer::run(a, reduce<Reducer, Ts...>::run(ts...))) {
     return Reducer::run(a, reduce<Reducer, Ts...>::run(ts...));
   }
@@ -324,6 +333,9 @@ struct greater_equal_zero_op { template<typename A> constexpr static inline auto
 // together in front... (13.0 doesn't work with array_prod/array_reduce/... anyway, but 13.1
 // does...
 template<typename... Ts>
+#if defined(EIGEN_HIPCC)
+EIGEN_DEVICE_FUNC
+#endif
 constexpr inline decltype(reduce<product_op, Ts...>::run((*((Ts*)0))...)) arg_prod(Ts... ts)
 {
   return reduce<product_op, Ts...>::run(ts...);
diff --git a/unsupported/Eigen/CXX11/src/util/EmulateArray.h b/unsupported/Eigen/CXX11/src/util/EmulateArray.h
index ddd54f4b3..5b01c5fb7 100644
--- a/unsupported/Eigen/CXX11/src/util/EmulateArray.h
+++ b/unsupported/Eigen/CXX11/src/util/EmulateArray.h
@@ -15,7 +15,7 @@
 // The array class is only available starting with cxx11. Emulate our own here
 // if needed. Beware, msvc still doesn't advertise itself as a c++11 compiler!
 // Moreover, CUDA doesn't support the STL containers, so we use our own instead.
-#if (__cplusplus <= 199711L && EIGEN_COMP_MSVC < 1900) || defined(EIGEN_CUDACC) || defined(EIGEN_AVOID_STL_ARRAY)
+#if (__cplusplus <= 199711L && EIGEN_COMP_MSVC < 1900) || defined(EIGEN_CUDACC) || defined(EIGEN_HIPCC) || defined(EIGEN_AVOID_STL_ARRAY)
 
 namespace Eigen {
 template <typename T, size_t n> class array {