[SYCL][HIP] add missing nearbyint and rint

Author: MoveCloudROY

libdevice/cmath_wrapper.cpp

@@ -200,4 +200,14 @@ DEVICE_EXTERN_C_INLINE
 float rintf(float x) { return __nv_rintf(x); }
 #endif // __NVPTX__
 
+#ifdef __AMDGCN__
+extern "C" SYCL_EXTERNAL float __ocml_nearbyint_f32(float);
+DEVICE_EXTERN_C_INLINE
+float nearbyintf(float x) { return __ocml_nearbyint_f32(x); }
+
+extern "C" SYCL_EXTERNAL float __ocml_rint_f32(float);
+DEVICE_EXTERN_C_INLINE
+float rintf(float x) { return __ocml_rint_f32(x); }
+#endif // __AMDGCN__
+
 #endif // __SPIR__ || __SPIRV__ || __NVPTX__ || __AMDGCN__