FP_ROUNDMODE
#define FP_ROUNDMODE mode
#define FP_ROUNDMODE \
#define FP_ROUNDMODE ((current->thread.fsr >> 30) & 0x3)
#define FP_ROUNDMODE ((last_task_used_math->thread.fsr >> 30) & 0x3)
#define FP_ROUNDMODE ((current_thread_info()->xfsr[0] >> 30) & 0x3)
# define FP_ROUNDMODE FP_RND_NEAREST