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zinit: fix review comments from @mwkmwkmwk

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This commit is contained in:
Eddie Hung 2020-04-13 15:16:51 -07:00
parent 091297b9ee
commit c6afce7638
2 changed files with 37 additions and 9 deletions
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35
tests/techmap/zinit.ys
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@ -1,5 +1,5 @@
read_verilog -icells <<EOT
module top(input C, R, input [1:0] D, (* init = {12{1'b1}} *) output [11:0] Q);
module top(input C, R, input [1:0] D, (* init = {2'b10, 2'b01, 1'b1, {8{1'b1}}} *) output [12:0] Q);
(* init = 1'b1 *)
wire unused;
@ -13,11 +13,38 @@ $_DFF_PN1_ dff5 (.C(C), .D(D[0]), .R(R), .Q(Q[5]));
$_DFF_PP0_ dff6 (.C(C), .D(D[0]), .R(R), .Q(Q[6]));
$_DFF_PP1_ dff7 (.C(C), .D(D[0]), .R(R), .Q(Q[7]));
$adff #(.WIDTH(2), .CLK_POLARITY(1), .ARST_POLARITY(1'b0), .ARST_VALUE(2'd2)) dff8 (.CLK(C), .ARST(R), .D(D), .Q(Q[9:8]));
$adff #(.WIDTH(2), .CLK_POLARITY(0), .ARST_POLARITY(1'b1), .ARST_VALUE(2'd1)) dff9 (.CLK(C), .ARST(R), .D(D), .Q(Q[11:10]));
$adff #(.WIDTH(2), .CLK_POLARITY(1), .ARST_POLARITY(1'b0), .ARST_VALUE(2'b10)) dff8 (.CLK(C), .ARST(R), .D(D), .Q(Q[10:9]));
$adff #(.WIDTH(2), .CLK_POLARITY(0), .ARST_POLARITY(1'b1), .ARST_VALUE(2'b01)) dff9 (.CLK(C), .ARST(R), .D(D), .Q(Q[12:11]));
endmodule
EOT
equiv_opt -map +/simcells.v -multiclock zinit
equiv_opt -assert -map +/simcells.v -multiclock zinit
design -load postopt
select -assert-count 20 t:$_NOT_
select -assert-count 1 w:unused a:init %i
select -assert-count 1 w:Q a:init=13'bxxxx1xxxxxxxx %i
design -reset
read_verilog -icells <<EOT
module top(input C, R, input [1:0] D, (* init = {2'bx0, 2'b0x, 1'b1, {8{1'b0}}} *) output [12:0] Q);
(* init = 1'b1 *)
wire unused;
$_DFF_NN0_ dff0 (.C(C), .D(D[0]), .R(R), .Q(Q[0]));
$_DFF_NN1_ dff1 (.C(C), .D(D[0]), .R(R), .Q(Q[1]));
$_DFF_NP0_ dff2 (.C(C), .D(D[0]), .R(R), .Q(Q[2]));
$_DFF_NP1_ dff3 (.C(C), .D(D[0]), .R(R), .Q(Q[3]));
$_DFF_PN0_ dff4 (.C(C), .D(D[0]), .R(R), .Q(Q[4]));
$_DFF_PN1_ dff5 (.C(C), .D(D[0]), .R(R), .Q(Q[5]));
$_DFF_PP0_ dff6 (.C(C), .D(D[0]), .R(R), .Q(Q[6]));
$_DFF_PP1_ dff7 (.C(C), .D(D[0]), .R(R), .Q(Q[7]));
$adff #(.WIDTH(2), .CLK_POLARITY(1), .ARST_POLARITY(1'b0), .ARST_VALUE(2'b10)) dff8 (.CLK(C), .ARST(R), .D(D), .Q(Q[10:9]));
$adff #(.WIDTH(2), .CLK_POLARITY(0), .ARST_POLARITY(1'b1), .ARST_VALUE(2'b01)) dff9 (.CLK(C), .ARST(R), .D(D), .Q(Q[12:11]));
endmodule
EOT
select -assert-count 0 t:$_NOT_
select -assert-count 1 w:unused a:init %i
select -assert-count 1 w:Q a:init=13'bx00x100000000 %i