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Merge pull request #4807 from YosysHQ/emil/dfflibmap-test-dffe

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dfflibmap: cover enable inference with test
This commit is contained in:
Emil J
2024-12-10 12:41:11 +01:00
committed by GitHub
parent b0708a38bf 681b678417
commit 87736a2bf9
3 changed files with 51 additions and 13 deletions
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23
tests/techmap/dfflibmap.ys
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@@ -1,14 +1,15 @@
read_verilog -icells <<EOT
module top(input C, D, S, R, output [9:0] Q);
module top(input C, D, E, S, R, output [11:0] Q);
$_DFF_P_ ff0 (.C(C), .D(D), .Q(Q[0]));
$_DFF_PP0_ ff1 (.C(C), .D(D), .R(R), .Q(Q[1]));
$_DFF_PP1_ ff2 (.C(C), .D(D), .R(R), .Q(Q[2]));
$_DFFSR_PPP_ ff3 (.C(C), .D(D), .R(R), .S(S), .Q(Q[3]));
$_DFFSR_NNN_ ff4 (.C(C), .D(D), .R(R), .S(S), .Q(Q[4]));
$_DFFE_PP_ ff5 (.C(C), .D(D), .E(E), .Q(Q[5]));
assign Q[9:5] = ~Q[4:0];
assign Q[11:6] = ~Q[5:0];
endmodule
@@ -29,23 +30,25 @@ design -load orig
dfflibmap -liberty dfflibmap.lib
clean
select -assert-count 4 t:$_NOT_
select -assert-count 5 t:$_NOT_
select -assert-count 1 t:dffn
select -assert-count 4 t:dffsr
select -assert-none t:dffn t:dffsr t:$_NOT_ %% %n t:* %i
select -assert-count 1 t:dffe
select -assert-none t:dffn t:dffsr t:dffe t:$_NOT_ %% %n t:* %i
design -load orig
dfflibmap -prepare -liberty dfflibmap.lib
select -assert-count 9 t:$_NOT_
select -assert-count 11 t:$_NOT_
select -assert-count 1 t:$_DFF_N_
select -assert-count 4 t:$_DFFSR_PPP_
select -assert-none t:$_DFF_N_ t:$_DFFSR_PPP_ t:$_NOT_ %% %n t:* %i
select -assert-count 1 t:$_DFFE_NP_
select -assert-none t:$_DFF_N_ t:$_DFFSR_PPP_ t:$_DFFE_NP_ t:$_NOT_ %% %n t:* %i
design -load orig
dfflibmap -map-only -liberty dfflibmap.lib
select -assert-count 5 t:$_NOT_
select -assert-count 6 t:$_NOT_
select -assert-count 0 t:dffn
select -assert-count 1 t:dffsr
@@ -54,10 +57,11 @@ dfflibmap -prepare -liberty dfflibmap.lib
dfflibmap -map-only -liberty dfflibmap.lib
clean
select -assert-count 4 t:$_NOT_
select -assert-count 5 t:$_NOT_
select -assert-count 1 t:dffn
select -assert-count 4 t:dffsr
select -assert-none t:dffn t:dffsr t:$_NOT_ %% %n t:* %i
select -assert-count 1 t:dffe
select -assert-none t:dffn t:dffsr t:dffe t:$_NOT_ %% %n t:* %i
design -load orig
dfflibmap -prepare -liberty dfflibmap_dffn.lib -liberty dfflibmap_dffsr.lib
@@ -75,3 +79,4 @@ clean
select -assert-count 0 t:dffn
select -assert-count 5 t:dffsr
select -assert-count 1 t:dffe