alu.edf

从Xilinx网站上下的

          ))
          (net (rename b_sub_14 "B_sub[14]") (joined
           (portRef (member b_sub 1))
           (portRef I (instanceRef B_sub_ibuf_14))
          ))
          (net (rename b_sub_15 "B_sub[15]") (joined
           (portRef (member b_sub 0))
           (portRef I (instanceRef B_sub_ibuf_15))
          ))
          (net clock (joined
           (portRef clock)
           (portRef I (instanceRef clock_ibuf))
          ))
          (net reset_add (joined
           (portRef reset_add)
           (portRef I (instanceRef reset_add_ibuf))
          ))
          (net reset_sub (joined
           (portRef reset_sub)
           (portRef I (instanceRef reset_sub_ibuf))
          ))
          (net reset_mult (joined
           (portRef reset_mult)
           (portRef I (instanceRef reset_mult_ibuf))
          ))
          (net (rename tril1 "triL1") (joined
           (portRef triL1)
           (portRef I (instanceRef triL1_ibuf))
          ))
          (net (rename trir1 "triR1") (joined
           (portRef triR1)
           (portRef I (instanceRef triR1_ibuf))
          ))
          (net (rename tril2 "triL2") (joined
           (portRef triL2)
           (portRef I (instanceRef triL2_ibuf))
          ))
          (net (rename trir2 "triR2") (joined
           (portRef triR2)
           (portRef I (instanceRef triR2_ibuf))
          ))
          (net (rename VCCZ0 "VCC") (joined
           (portRef P (instanceRef VCC))
          ))
          (net (rename GNDZ0 "GND") (joined
           (portRef G (instanceRef GND))
          ))
          (net triR2_c (joined
           (portRef O (instanceRef triR2_ibuf))
           (portRef triR2_c (instanceRef bm16_2))
          ))
          (net triL2_c (joined
           (portRef O (instanceRef triL2_ibuf))
           (portRef triL2_c (instanceRef bm16_2))
          ))
          (net triR1_c (joined
           (portRef O (instanceRef triR1_ibuf))
           (portRef triR1_c (instanceRef bm16_1))
          ))
          (net triL1_c (joined
           (portRef O (instanceRef triL1_ibuf))
           (portRef triL1_c (instanceRef bm16_1))
          ))
          (net reset_mult_c (joined
           (portRef O (instanceRef reset_mult_ibuf))
           (portRef reset (instanceRef U3))
          ))
          (net reset_sub_c (joined
           (portRef O (instanceRef reset_sub_ibuf))
           (portRef reset (instanceRef U2))
          ))
          (net reset_add_c (joined
           (portRef O (instanceRef reset_add_ibuf))
           (portRef reset (instanceRef U1))
          ))
          (net clock_c (joined
           (portRef O (instanceRef clock_ibuf))
           (portRef clock (instanceRef U1))
           (portRef clock (instanceRef U2))
           (portRef clock (instanceRef U3))
          ))
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           (portRef O (instanceRef B_sub_ibuf_15))
           (portRef (member b 0) (instanceRef U2))
          ))
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           (portRef O (instanceRef B_sub_ibuf_14))
           (portRef (member b 1) (instanceRef U2))
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           (portRef O (instanceRef B_sub_ibuf_4))
           (portRef (member b 11) (instanceRef U2))
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           (portRef O (instanceRef B_sub_ibuf_3))
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           (portRef O (instanceRef B_sub_ibuf_2))
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           (portRef O (instanceRef B_sub_ibuf_0))
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           (portRef (member a 0) (instanceRef U2))
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           (portRef O (instanceRef A_sub_ibuf_14))
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           (portRef (member a 2) (instanceRef U2))
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           (portRef (member a 3) (instanceRef U2))
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           (portRef O (instanceRef A_sub_ibuf_9))
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           (portRef O (instanceRef A_sub_ibuf_8))
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           (portRef O (instanceRef A_sub_ibuf_7))
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           (portRef O (instanceRef A_sub_ibuf_6))
           (portRef (member a 9) (instanceRef U2))
          ))
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           (portRef O (instanceRef A_sub_ibuf_5))
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          ))
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           (portRef O (instanceRef A_sub_ibuf_4))
           (portRef (member a 11) (instanceRef U2))
          ))
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           (portRef O (instanceRef A_sub_ibuf_3))
           (portRef (member a 12) (instanceRef U2))
          ))
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           (portRef O (instanceRef A_sub_ibuf_2))
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          ))
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           (portRef O (instanceRef A_sub_ibuf_1))
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           (portRef O (instanceRef A_sub_ibuf_0))
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           (portRef O (instanceRef B_add_ibuf_15))
           (portRef (member b 0) (instanceRef U1))
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           (portRef O (instanceRef B_add_ibuf_14))
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           (portRef O (instanceRef B_add_ibuf_13))
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           (portRef O (instanceRef B_add_ibuf_12))
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           (portRef O (instanceRef B_add_ibuf_8))
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           (portRef O (instanceRef A_add_ibuf_7))
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          (net (rename A_add_c_6