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abc9: add flop boxes to basic $_DFF_P_ and $_DFF_N_ too

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Eddie Hung 2020-04-16 10:24:02 -07:00
parent 7812a2959b
commit 48052ad813
7 changed files with 88 additions and 24 deletions
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12
tests/various/abc9.ys
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@ -45,14 +45,16 @@ sat -seq 10 -verify -prove-asserts -show-ports miter
design -reset
read_verilog -icells <<EOT
module abc9_test036(input clk, d, output q);
(* keep *) reg w;
$__ABC9_FF_ ff(.D(d), .Q(w));
wire \ff.clock = clk;
wire \ff.init = 1'b0;
(* keep, init=1'b0 *) wire w;
$_DFF_P_ ff(.C(clk), .D(d), .Q(w));
assign q = w;
endmodule
EOT
abc9 -lut 4 -dff
equiv_opt abc9 -lut 4 -dff
design -load postopt
cd abc9_test036
select -assert-count 1 t:$_DFF_P_
select -assert-none t:* t:$_DFF_P_ %d
design -reset