| # 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 |
| |