modelsim怎样手动添加actel器件库

huhudebin

Searched libraries:
#             E:\Actelprj\AGLN_NANO_KIT_UG_DF\agl_nano_diag_r1\simulation\postsynth
# ** Error: (vsim-3033) E:/Actelprj/AGLN_NANO_KIT_UG_DF/agl_nano_diag_r1/synthesis/agl_nano_diag_r1_top.v(1179): Instantiation of 'AND3' failed. The design unit was not found.
#         Region: /agl_nano_diag_r1_top
仿真时出现的都是这种错误，有20几个，是不是缺少库文件，但是怎样才能把库文件加进来？？