[SYCL][HIP] Implement PI_DEVICE_INFO_ATOMIC_64 for HIP (#6429)

Author: pgorlani

sycl/plugins/hip/pi_hip.cpp

@@ -1769,8 +1769,17 @@ pi_result hip_piDeviceGetInfo(pi_device device, pi_device_info param_name,
     return getInfo(param_value_size, param_value, param_value_size_ret, value);
   }
 
+  case PI_DEVICE_INFO_ATOMIC_64: {
+    // TODO: Reconsider it when AMD supports SYCL_USE_NATIVE_FP_ATOMICS.
+    hipDeviceProp_t props;
+    cl::sycl::detail::pi::assertion(
+        hipGetDeviceProperties(&props, device->get()) == hipSuccess);
+    return getInfo(param_value_size, param_value, param_value_size_ret,
+                   props.arch.hasGlobalInt64Atomics &&
+                       props.arch.hasSharedInt64Atomics);
+  }
+
   // TODO: Implement.
-  case PI_DEVICE_INFO_ATOMIC_64:
   case PI_DEVICE_INFO_ATOMIC_MEMORY_ORDER_CAPABILITIES:
   // TODO: Investigate if this information is available on HIP.
   case PI_DEVICE_INFO_ATOMIC_MEMORY_SCOPE_CAPABILITIES: