tests/techmap/dfflegalize_aldff.ys

   1 read_verilog -icells <<EOT
   2
   3 module aldff(input C, L, AD, D, output [2:0] Q);
   4 $_ALDFF_PP_ ff0 (.C(C), .L(L), .AD(AD), .D(D), .Q(Q[0]));
   5 $_ALDFF_PN_ ff1 (.C(C), .L(L), .AD(AD), .D(D), .Q(Q[1]));
   6 $_ALDFF_NP_ ff2 (.C(C), .L(L), .AD(AD), .D(D), .Q(Q[2]));
   7 endmodule
   8
   9 module aldffe(input C, E, L, AD, D, output [3:0] Q);
  10 $_ALDFFE_PPP_ ff0 (.C(C), .L(L), .AD(AD), .E(E), .D(D), .Q(Q[0]));
  11 $_ALDFFE_PPN_ ff1 (.C(C), .L(L), .AD(AD), .E(E), .D(D), .Q(Q[1]));
  12 $_ALDFFE_PNP_ ff2 (.C(C), .L(L), .AD(AD), .E(E), .D(D), .Q(Q[2]));
  13 $_ALDFFE_NPP_ ff3 (.C(C), .L(L), .AD(AD), .E(E), .D(D), .Q(Q[3]));
  14 endmodule
  15
  16 module top(input C, E, L, AD, D, output [6:0] Q);
  17 aldff aldff_(.C(C), .L(L), .AD(AD), .D(D), .Q(Q[2:0]));
  18 aldffe aldffe_(.C(C), .L(L), .AD(AD), .E(E), .D(D), .Q(Q[6:3]));
  19 endmodule
  20
  21 EOT
  22
  23 design -save orig
  24 flatten
  25 equiv_opt -assert -multiclock dfflegalize -cell $_ALDFF_PP_ x
  26 equiv_opt -assert -multiclock dfflegalize -cell $_ALDFFE_PPP_ x
  27 #equiv_opt -assert -multiclock dfflegalize -cell $_DFFSR_PPP_ x
  28 #equiv_opt -assert -multiclock dfflegalize -cell $_DFFSRE_PPPP_ x
  29
  30
  31 # Convert everything to ALDFFs.
  32
  33 design -load orig
  34 dfflegalize -cell $_ALDFF_PP_ x
  35
  36 select -assert-count 2 aldff/t:$_NOT_
  37 select -assert-count 2 aldffe/t:$_NOT_
  38 select -assert-count 0 aldff/t:$_MUX_
  39 select -assert-count 4 aldffe/t:$_MUX_
  40 select -assert-count 7 t:$_ALDFF_PP_
  41 select -assert-none t:$_ALDFF_PP_ t:$_MUX_ t:$_NOT_ top/* %% %n t:* %i
  42
  43
  44 # Convert everything to ALDFFEs.
  45
  46 design -load orig
  47 dfflegalize -cell $_ALDFFE_PPP_ x
  48
  49 select -assert-count 2 aldff/t:$_NOT_
  50 select -assert-count 3 aldffe/t:$_NOT_
  51 select -assert-count 7 t:$_ALDFFE_PPP_
  52 select -assert-none t:$_ALDFFE_PPP_ t:$_NOT_ top/* %% %n t:* %i
  53
  54
  55 # Convert everything to DFFSRs.
  56
  57 design -load orig
  58 dfflegalize -cell $_DFFSR_PPP_ x
  59
  60 select -assert-count 2 aldff/t:$_AND_
  61 select -assert-count 3 aldffe/t:$_AND_
  62 select -assert-count 2 aldff/t:$_ANDNOT_
  63 select -assert-count 3 aldffe/t:$_ANDNOT_
  64 select -assert-count 1 aldff/t:$_OR_
  65 select -assert-count 1 aldffe/t:$_OR_
  66 select -assert-count 1 aldff/t:$_ORNOT_
  67 select -assert-count 1 aldffe/t:$_ORNOT_
  68 select -assert-count 3 aldff/t:$_NOT_
  69 select -assert-count 3 aldffe/t:$_NOT_
  70 select -assert-count 0 aldff/t:$_MUX_
  71 select -assert-count 4 aldffe/t:$_MUX_
  72 select -assert-count 7 t:$_DFFSR_PPP_
  73 select -assert-none t:$_DFFSR_PPP_ t:$_MUX_ t:$_NOT_ t:$_AND_ t:$_ANDNOT_ t:$_OR_ t:$_ORNOT_ top/* %% %n t:* %i
  74
  75
  76 # Convert everything to DFFSREs.
  77
  78 design -load orig
  79 dfflegalize -cell $_DFFSRE_PPPP_ x
  80
  81 select -assert-count 2 aldff/t:$_AND_
  82 select -assert-count 3 aldffe/t:$_AND_
  83 select -assert-count 2 aldff/t:$_ANDNOT_
  84 select -assert-count 3 aldffe/t:$_ANDNOT_
  85 select -assert-count 1 aldff/t:$_OR_
  86 select -assert-count 1 aldffe/t:$_OR_
  87 select -assert-count 1 aldff/t:$_ORNOT_
  88 select -assert-count 1 aldffe/t:$_ORNOT_
  89 select -assert-count 3 aldff/t:$_NOT_
  90 select -assert-count 4 aldffe/t:$_NOT_
  91 select -assert-count 7 t:$_DFFSRE_PPPP_
  92 select -assert-none t:$_DFFSRE_PPPP_ t:$_NOT_ t:$_AND_ t:$_ANDNOT_ t:$_OR_ t:$_ORNOT_ top/* %% %n t:* %i