| # 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 |
| |
| 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_simd.v |
| design -save read |
| |
| set TOP "simd_mult" |
| design -load read |
| hierarchy -top $TOP |
| check_equiv ${TOP} |
| design -load postopt |
| select -assert-count 0 t:dsp_t1_20x18x64 |
| select -assert-count 0 t:dsp_t1_10x9x32 |
| select -assert-count 1 t:QL_DSP2 |
| |
| set TOP "simd_mult_inferred" |
| design -load read |
| hierarchy -top $TOP |
| check_equiv ${TOP} |
| design -load postopt |
| yosys cd $TOP |
| select -assert-count 0 t:dsp_t1_20x18x64 |
| select -assert-count 0 t:dsp_t1_10x9x32 |
| select -assert-count 1 t:QL_DSP2 |
| |
| set TOP "simd_mult_odd" |
| design -load read |
| hierarchy -top $TOP |
| check_equiv ${TOP} |
| design -load postopt |
| yosys cd $TOP |
| select -assert-count 0 t:dsp_t1_20x18x64 |
| select -assert-count 0 t:dsp_t1_10x9x32 |
| select -assert-count 2 t:QL_DSP2 |
| |
| set TOP "simd_mult_conflict" |
| design -load read |
| hierarchy -top $TOP |
| check_equiv ${TOP} |
| design -load postopt |
| yosys cd $TOP |
| select -assert-count 0 t:dsp_t1_20x18x64 |
| select -assert-count 0 t:dsp_t1_10x9x32 |
| select -assert-count 2 t:QL_DSP2 |
| |