mirror of https://github.com/YosysHQ/yosys.git
83 lines
2.2 KiB
Plaintext
83 lines
2.2 KiB
Plaintext
read_verilog -icells <<EOT
|
|
|
|
module dlatch(input E, D, (* init = 2'h0 *) output [1:0] Q);
|
|
$_DLATCH_P_ ff0 (.E(E), .D(D), .Q(Q[0]));
|
|
$_DLATCH_N_ ff1 (.E(E), .D(D), .Q(Q[1]));
|
|
endmodule
|
|
|
|
EOT
|
|
|
|
design -save orig
|
|
equiv_opt -assert -multiclock dfflegalize -cell $_DLATCH_P_ 0
|
|
equiv_opt -assert -multiclock dfflegalize -cell $_DLATCH_P_ 1
|
|
equiv_opt -assert -multiclock dfflegalize -cell $_DLATCH_PP0_ 0
|
|
equiv_opt -assert -multiclock dfflegalize -cell $_DLATCH_PP0_ 1
|
|
equiv_opt -assert -multiclock dfflegalize -cell $_DLATCH_PP1_ 0
|
|
equiv_opt -assert -multiclock dfflegalize -cell $_DLATCH_PP1_ 1
|
|
equiv_opt -assert -multiclock dfflegalize -cell $_DLATCHSR_PPP_ 0
|
|
equiv_opt -assert -multiclock dfflegalize -cell $_DLATCHSR_PPP_ 1
|
|
|
|
# Convert everything to DFFs.
|
|
|
|
design -load orig
|
|
dfflegalize -cell $_DLATCH_P_ 0
|
|
|
|
select -assert-count 1 t:$_NOT_
|
|
select -assert-count 2 t:$_DLATCH_P_
|
|
select -assert-none t:$_DLATCH_P_ t:$_NOT_ %% %n t:* %i
|
|
|
|
design -load orig
|
|
dfflegalize -cell $_DLATCH_P_ 1
|
|
|
|
select -assert-count 5 t:$_NOT_
|
|
select -assert-count 2 t:$_DLATCH_P_
|
|
select -assert-none t:$_DLATCH_P_ t:$_NOT_ %% %n t:* %i
|
|
|
|
|
|
# Convert everything to ADLATCHs.
|
|
|
|
design -load orig
|
|
dfflegalize -cell $_DLATCH_PP0_ 0
|
|
|
|
select -assert-count 1 t:$_NOT_
|
|
select -assert-count 2 t:$_DLATCH_PP0_
|
|
select -assert-none t:$_DLATCH_PP0_ t:$_NOT_ %% %n t:* %i
|
|
|
|
design -load orig
|
|
dfflegalize -cell $_DLATCH_PP0_ 1
|
|
|
|
select -assert-count 5 t:$_NOT_
|
|
select -assert-count 2 t:$_DLATCH_PP0_
|
|
select -assert-none t:$_DLATCH_PP0_ t:$_NOT_ %% %n t:* %i
|
|
|
|
design -load orig
|
|
dfflegalize -cell $_DLATCH_PP1_ 0
|
|
|
|
select -assert-count 1 t:$_NOT_
|
|
select -assert-count 2 t:$_DLATCH_PP1_
|
|
select -assert-none t:$_DLATCH_PP1_ t:$_NOT_ %% %n t:* %i
|
|
|
|
design -load orig
|
|
dfflegalize -cell $_DLATCH_PP1_ 1
|
|
|
|
select -assert-count 5 t:$_NOT_
|
|
select -assert-count 2 t:$_DLATCH_PP1_
|
|
select -assert-none t:$_DLATCH_PP1_ t:$_NOT_ %% %n t:* %i
|
|
|
|
|
|
# Convert everything to DLATCHSRs.
|
|
|
|
design -load orig
|
|
dfflegalize -cell $_DLATCHSR_PPP_ 0
|
|
|
|
select -assert-count 1 t:$_NOT_
|
|
select -assert-count 2 t:$_DLATCHSR_PPP_
|
|
select -assert-none t:$_DLATCHSR_PPP_ t:$_NOT_ %% %n t:* %i
|
|
|
|
design -load orig
|
|
dfflegalize -cell $_DLATCHSR_PPP_ 1
|
|
|
|
select -assert-count 5 t:$_NOT_
|
|
select -assert-count 2 t:$_DLATCHSR_PPP_
|
|
select -assert-none t:$_DLATCHSR_PPP_ t:$_NOT_ %% %n t:* %i
|