SWDEV-384362 - Added explicit cast from __fp16 to _Float16 in rcph

Change-Id: Ibbb11e928a80126ed7a8c7cd8bddebc74c38986d

hipamd/include/hip/amd_detail/amd_hip_fp16.h

@@ -1569,7 +1569,7 @@ THE SOFTWARE.
             __half hrcp(__half x)
             {
                 return __half_raw{
-                    __builtin_amdgcn_rcph(static_cast<__half_raw>(x).data)};
+                    static_cast<_Float16>(__builtin_amdgcn_rcph(static_cast<__half_raw>(x).data))};
             }
             inline
             __device__
@@ -1673,8 +1673,8 @@ THE SOFTWARE.
             inline
             __HOST_DEVICE__
             __half2 h2rcp(__half2 x) {
-                return _Float16_2{__builtin_amdgcn_rcph(x.x),
-                                  __builtin_amdgcn_rcph(x.y)};
+                return _Float16_2{static_cast<_Float16>(__builtin_amdgcn_rcph(x.x)),
+                                  static_cast<_Float16>(__builtin_amdgcn_rcph(x.y))};
             }
             inline
             __HOST_DEVICE__