blob: a0cd6a7111120772d11dbe74cc9a420a244367bc [file] [log] [blame]
# For some tests the equiv_induct pass seems to hang if opt_expr + opt_clean
# are not invoked after techmapping. Therefore this function is used instead
# of the equiv_opt pass.
proc check_equiv {top} {
hierarchy -top ${top}
design -save preopt
synth_quicklogic -family qlf_k6n10f -top ${top}
design -stash postopt
design -copy-from preopt -as gold A:top
design -copy-from postopt -as gate A:top
techmap -wb -autoproc -map +/quicklogic/qlf_k6n10f/cells_sim.v
yosys proc
opt_expr
opt_clean -purge
async2sync
equiv_make gold gate equiv
equiv_induct equiv
equiv_status -assert equiv
return
}
yosys -import
if { [info procs quicklogic_eqn] == {} } { plugin -i ql-qlf}
yosys -import ;# ingest plugin commands
read_verilog dsp_mult.v
design -save read
set TOP "mult_16x16"
design -load read
check_equiv ${TOP}
design -load postopt
yosys cd ${TOP}
select -assert-count 1 t:QL_DSP2_MULT
set TOP "mult_20x18"
design -load read
check_equiv ${TOP}
design -load postopt
yosys cd ${TOP}
select -assert-count 1 t:QL_DSP2_MULT
set TOP "mult_8x8"
design -load read
check_equiv ${TOP}
design -load postopt
yosys cd ${TOP}
select -assert-count 1 t:QL_DSP2_MULT
set TOP "mult_10x9"
design -load read
check_equiv ${TOP}
design -load postopt
yosys cd ${TOP}
select -assert-count 1 t:QL_DSP2_MULT
set TOP "mult_8x8_s"
design -load read
check_equiv ${TOP}
design -load postopt
yosys cd ${TOP}
select -assert-count 1 t:QL_DSP2_MULT