| # 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_MULT_REGIN | 
 |  | 
 | 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_MULT | 
 |  | 
 | 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 0 t:QL_DSP2 | 
 | select -assert-count 2 t:QL_DSP2_MULT_REGIN | 
 |  | 
 | 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_MULT_REGIN | 
 |  |