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Subversion Repositories dblclockfft

[/] [dblclockfft/] [trunk/] [bench/] [formal/] [butterfly.sby] - Rev 37

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[tasks]
ck1
ck2_r0
ck2_r1
ck3_r0
ck3_r1

[options]
mode prove
depth   30

[engines]
smtbmc

[script]
read_verilog -formal -DHWBFLY abs_mpy.v
read_verilog -formal -DHWBFLY convround.v
read_verilog -formal -DHWBFLY longbimpy.v
read_verilog -formal -DHWBFLY bimpy.v
read_verilog -formal -DHWBFLY butterfly.v

# While I'd love to change the width of the inputs and the coefficients,
# doing so would adjust the width of the firmware multiplies, and so defeat
# our purpose here.
# ck1:    chparam -set CKPCE 1 butterfly
ck1:    chparam -set CKPCE 1 -set CWIDTH 19 -set IWIDTH 15 butterfly
#
ck2_r0: chparam -set CKPCE 2 -set CWIDTH 20 -set IWIDTH 12 -set F_CHECK 1 butterfly
ck2_r1: chparam -set CKPCE 2 -set CWIDTH 16 -set IWIDTH 6 -set F_CHECK 0 butterfly
#
ck3_r0: chparam -set CKPCE 3 -set CWIDTH 16 -set IWIDTH 12 -set F_CHECK 0 butterfly
ck3_r1: chparam -set CKPCE 3 -set CWIDTH 18 -set IWIDTH 14 -set F_CHECK 1 butterfly
ck3_r2: chparam -set CKPCE 3 -set CWIDTH 20 -set IWIDTH 16 -set F_CHECK 2 butterfly

prep -top butterfly

[files]
abs_mpy.v
../../rtl/convround.v
../../rtl/bimpy.v
../../rtl/longbimpy.v
../../rtl/butterfly.v

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