data/full_repos/permissive/174242803/src/mips_syn.v
 line:108 column:11: Illegal character '\x00'
1: b'%Warning-PINMISSING: data/full_repos/permissive/174242803/src/mips_syn.v:1146: Cell has missing pin: \'CO\'\n  alu_DW01_add_0 add_1_root_add_13_2 ( .A(a), .B(b2), .CI(n3), .SUM(sum) );\n                 ^~~~~~~~~~~~~~~~~~~\n                     ... Use "/* verilator lint_off PINMISSING */" and lint_on around source to disable this message.\n%Error: data/full_repos/permissive/174242803/src/mips_syn.v:1087: Cannot find file containing module: \'FAX1\'\n  FAX1 U1_7 ( .A(A[7]), .B(B[7]), .C(carry[7]), .YS(SUM[7]) );\n  ^~~~\n        ... Looked in:\n             data/full_repos/permissive/174242803/src,data/full_repos/permissive/174242803/FAX1\n             data/full_repos/permissive/174242803/src,data/full_repos/permissive/174242803/FAX1.v\n             data/full_repos/permissive/174242803/src,data/full_repos/permissive/174242803/FAX1.sv\n             FAX1\n             FAX1.v\n             FAX1.sv\n             obj_dir/FAX1\n             obj_dir/FAX1.v\n             obj_dir/FAX1.sv\n%Error: data/full_repos/permissive/174242803/src/mips_syn.v:1088: Cannot find file containing module: \'FAX1\'\n  FAX1 U1_6 ( .A(A[6]), .B(B[6]), .C(carry[6]), .YC(carry[7]), .YS(SUM[6]) );\n  ^~~~\n%Error: data/full_repos/permissive/174242803/src/mips_syn.v:1089: Cannot find file containing module: \'FAX1\'\n  FAX1 U1_5 ( .A(A[5]), .B(B[5]), .C(carry[5]), .YC(carry[6]), .YS(SUM[5]) );\n  ^~~~\n%Error: data/full_repos/permissive/174242803/src/mips_syn.v:1090: Cannot find file containing module: \'FAX1\'\n  FAX1 U1_4 ( .A(A[4]), .B(B[4]), .C(carry[4]), .YC(carry[5]), .YS(SUM[4]) );\n  ^~~~\n%Error: data/full_repos/permissive/174242803/src/mips_syn.v:1091: Cannot find file containing module: \'FAX1\'\n  FAX1 U1_3 ( .A(A[3]), .B(B[3]), .C(carry[3]), .YC(carry[4]), .YS(SUM[3]) );\n  ^~~~\n%Error: data/full_repos/permissive/174242803/src/mips_syn.v:1092: Cannot find file containing module: \'FAX1\'\n  FAX1 U1_2 ( .A(A[2]), .B(B[2]), .C(carry[2]), .YC(carry[3]), .YS(SUM[2]) );\n  ^~~~\n%Error: data/full_repos/permissive/174242803/src/mips_syn.v:1093: Cannot find file containing module: \'FAX1\'\n  FAX1 U1_1 ( .A(A[1]), .B(B[1]), .C(carry[1]), .YC(carry[2]), .YS(SUM[1]) );\n  ^~~~\n%Error: data/full_repos/permissive/174242803/src/mips_syn.v:1094: Cannot find file containing module: \'FAX1\'\n  FAX1 U1_0 ( .A(A[0]), .B(B[0]), .C(CI), .YC(carry[1]), .YS(SUM[0]) );\n  ^~~~\n%Error: data/full_repos/permissive/174242803/src/mips_syn.v:1109: Cannot find file containing module: \'AND2X2\'\n  AND2X2 U2 ( .A(alucont[1]), .B(sum[7]), .Y(n32) );\n  ^~~~~~\n%Error: data/full_repos/permissive/174242803/src/mips_syn.v:1110: Cannot find file containing module: \'OAI21X1\'\n  OAI21X1 U13 ( .A(n4), .B(n13), .C(n14), .Y(result[7]) );\n  ^~~~~~~\n%Error: data/full_repos/permissive/174242803/src/mips_syn.v:1111: Cannot find file containing module: \'AOI22X1\'\n  AOI22X1 U14 ( .A(sum[7]), .B(n15), .C(n5), .D(n16), .Y(n14) );\n  ^~~~~~~\n%Error: data/full_repos/permissive/174242803/src/mips_syn.v:1112: Cannot find file containing module: \'OR2X1\'\n  OR2X1 U15 ( .A(a[7]), .B(b[7]), .Y(n16) );\n  ^~~~~\n%Error: data/full_repos/permissive/174242803/src/mips_syn.v:1113: Cannot find file containing module: \'NAND2X1\'\n  NAND2X1 U16 ( .A(a[7]), .B(n1), .Y(n13) );\n  ^~~~~~~\n%Error: data/full_repos/permissive/174242803/src/mips_syn.v:1114: Cannot find file containing module: \'OAI21X1\'\n  OAI21X1 U17 ( .A(n17), .B(n6), .C(n18), .Y(result[6]) );\n  ^~~~~~~\n%Error: data/full_repos/permissive/174242803/src/mips_syn.v:1115: Cannot find file containing module: \'AOI22X1\'\n  AOI22X1 U18 ( .A(b[6]), .B(n19), .C(sum[6]), .D(n15), .Y(n18) );\n  ^~~~~~~\n%Error: data/full_repos/permissive/174242803/src/mips_syn.v:1116: Cannot find file containing module: \'OAI21X1\'\n  OAI21X1 U19 ( .A(alucont[1]), .B(n6), .C(n17), .Y(n19) );\n  ^~~~~~~\n%Error: data/full_repos/permissive/174242803/src/mips_syn.v:1117: Cannot find file containing module: \'OAI21X1\'\n  OAI21X1 U20 ( .A(n17), .B(n7), .C(n20), .Y(result[5]) );\n  ^~~~~~~\n%Error: data/full_repos/permissive/174242803/src/mips_syn.v:1118: Cannot find file containing module: \'AOI22X1\'\n  AOI22X1 U21 ( .A(b[5]), .B(n21), .C(sum[5]), .D(n15), .Y(n20) );\n  ^~~~~~~\n%Error: data/full_repos/permissive/174242803/src/mips_syn.v:1119: Cannot find file containing module: \'OAI21X1\'\n  OAI21X1 U22 ( .A(alucont[1]), .B(n7), .C(n17), .Y(n21) );\n  ^~~~~~~\n%Error: data/full_repos/permissive/174242803/src/mips_syn.v:1120: Cannot find file containing module: \'OAI21X1\'\n  OAI21X1 U23 ( .A(n17), .B(n8), .C(n22), .Y(result[4]) );\n  ^~~~~~~\n%Error: data/full_repos/permissive/174242803/src/mips_syn.v:1121: Cannot find file containing module: \'AOI22X1\'\n  AOI22X1 U24 ( .A(b[4]), .B(n23), .C(sum[4]), .D(n15), .Y(n22) );\n  ^~~~~~~\n%Error: data/full_repos/permissive/174242803/src/mips_syn.v:1122: Cannot find file containing module: \'OAI21X1\'\n  OAI21X1 U25 ( .A(alucont[1]), .B(n8), .C(n17), .Y(n23) );\n  ^~~~~~~\n%Error: data/full_repos/permissive/174242803/src/mips_syn.v:1123: Cannot find file containing module: \'OAI21X1\'\n  OAI21X1 U26 ( .A(n17), .B(n9), .C(n24), .Y(result[3]) );\n  ^~~~~~~\n%Error: data/full_repos/permissive/174242803/src/mips_syn.v:1124: Cannot find file containing module: \'AOI22X1\'\n  AOI22X1 U27 ( .A(b[3]), .B(n25), .C(sum[3]), .D(n15), .Y(n24) );\n  ^~~~~~~\n%Error: data/full_repos/permissive/174242803/src/mips_syn.v:1125: Cannot find file containing module: \'OAI21X1\'\n  OAI21X1 U28 ( .A(alucont[1]), .B(n9), .C(n17), .Y(n25) );\n  ^~~~~~~\n%Error: data/full_repos/permissive/174242803/src/mips_syn.v:1126: Cannot find file containing module: \'OAI21X1\'\n  OAI21X1 U29 ( .A(n17), .B(n10), .C(n26), .Y(result[2]) );\n  ^~~~~~~\n%Error: data/full_repos/permissive/174242803/src/mips_syn.v:1127: Cannot find file containing module: \'AOI22X1\'\n  AOI22X1 U30 ( .A(b[2]), .B(n27), .C(sum[2]), .D(n15), .Y(n26) );\n  ^~~~~~~\n%Error: data/full_repos/permissive/174242803/src/mips_syn.v:1128: Cannot find file containing module: \'OAI21X1\'\n  OAI21X1 U31 ( .A(alucont[1]), .B(n10), .C(n17), .Y(n27) );\n  ^~~~~~~\n%Error: data/full_repos/permissive/174242803/src/mips_syn.v:1129: Cannot find file containing module: \'OAI21X1\'\n  OAI21X1 U32 ( .A(n17), .B(n11), .C(n28), .Y(result[1]) );\n  ^~~~~~~\n%Error: data/full_repos/permissive/174242803/src/mips_syn.v:1130: Cannot find file containing module: \'AOI22X1\'\n  AOI22X1 U33 ( .A(b[1]), .B(n29), .C(sum[1]), .D(n15), .Y(n28) );\n  ^~~~~~~\n%Error: data/full_repos/permissive/174242803/src/mips_syn.v:1131: Cannot find file containing module: \'OAI21X1\'\n  OAI21X1 U34 ( .A(alucont[1]), .B(n11), .C(n17), .Y(n29) );\n  ^~~~~~~\n%Error: data/full_repos/permissive/174242803/src/mips_syn.v:1132: Cannot find file containing module: \'NAND2X1\'\n  NAND2X1 U35 ( .A(n30), .B(n31), .Y(result[0]) );\n  ^~~~~~~\n%Error: data/full_repos/permissive/174242803/src/mips_syn.v:1133: Cannot find file containing module: \'AOI22X1\'\n  AOI22X1 U36 ( .A(n32), .B(alucont[0]), .C(b[0]), .D(n33), .Y(n31) );\n  ^~~~~~~\n%Error: data/full_repos/permissive/174242803/src/mips_syn.v:1134: Cannot find file containing module: \'OAI21X1\'\n  OAI21X1 U37 ( .A(alucont[1]), .B(n12), .C(n17), .Y(n33) );\n  ^~~~~~~\n%Error: data/full_repos/permissive/174242803/src/mips_syn.v:1135: Cannot find file containing module: \'AOI22X1\'\n  AOI22X1 U38 ( .A(sum[0]), .B(n15), .C(a[0]), .D(n5), .Y(n30) );\n  ^~~~~~~\n%Error: data/full_repos/permissive/174242803/src/mips_syn.v:1136: Cannot find file containing module: \'NAND2X1\'\n  NAND2X1 U39 ( .A(alucont[0]), .B(n1), .Y(n17) );\n  ^~~~~~~\n%Error: data/full_repos/permissive/174242803/src/mips_syn.v:1137: Cannot find file containing module: \'NOR2X1\'\n  NOR2X1 U40 ( .A(n1), .B(alucont[0]), .Y(n15) );\n  ^~~~~~\n%Error: data/full_repos/permissive/174242803/src/mips_syn.v:1138: Cannot find file containing module: \'XNOR2X1\'\n  XNOR2X1 U41 ( .A(n4), .B(alucont[2]), .Y(b2[7]) );\n  ^~~~~~~\n%Error: data/full_repos/permissive/174242803/src/mips_syn.v:1139: Cannot find file containing module: \'XOR2X1\'\n  XOR2X1 U42 ( .A(b[6]), .B(alucont[2]), .Y(b2[6]) );\n  ^~~~~~\n%Error: data/full_repos/permissive/174242803/src/mips_syn.v:1140: Cannot find file containing module: \'XOR2X1\'\n  XOR2X1 U43 ( .A(b[5]), .B(alucont[2]), .Y(b2[5]) );\n  ^~~~~~\n%Error: data/full_repos/permissive/174242803/src/mips_syn.v:1141: Cannot find file containing module: \'XOR2X1\'\n  XOR2X1 U44 ( .A(b[4]), .B(n3), .Y(b2[4]) );\n  ^~~~~~\n%Error: data/full_repos/permissive/174242803/src/mips_syn.v:1142: Cannot find file containing module: \'XOR2X1\'\n  XOR2X1 U45 ( .A(b[3]), .B(n3), .Y(b2[3]) );\n  ^~~~~~\n%Error: data/full_repos/permissive/174242803/src/mips_syn.v:1143: Cannot find file containing module: \'XOR2X1\'\n  XOR2X1 U46 ( .A(b[2]), .B(n3), .Y(b2[2]) );\n  ^~~~~~\n%Error: data/full_repos/permissive/174242803/src/mips_syn.v:1144: Cannot find file containing module: \'XOR2X1\'\n  XOR2X1 U47 ( .A(b[1]), .B(n3), .Y(b2[1]) );\n  ^~~~~~\n%Error: data/full_repos/permissive/174242803/src/mips_syn.v:1145: Cannot find file containing module: \'XOR2X1\'\n  XOR2X1 U48 ( .A(b[0]), .B(n3), .Y(b2[0]) );\n  ^~~~~~\n%Error: data/full_repos/permissive/174242803/src/mips_syn.v:1147: Cannot find file containing module: \'INVX2\'\n  INVX2 U3 ( .A(n2), .Y(n3) );\n  ^~~~~\n%Error: data/full_repos/permissive/174242803/src/mips_syn.v:1148: Cannot find file containing module: \'INVX2\'\n  INVX2 U4 ( .A(alucont[2]), .Y(n2) );\n  ^~~~~\n%Error: data/full_repos/permissive/174242803/src/mips_syn.v:1149: Cannot find file containing module: \'INVX2\'\n  INVX2 U5 ( .A(alucont[1]), .Y(n1) );\n  ^~~~~\n%Error: data/full_repos/permissive/174242803/src/mips_syn.v:1150: Cannot find file containing module: \'INVX2\'\n  INVX2 U6 ( .A(b[7]), .Y(n4) );\n  ^~~~~\n%Error: data/full_repos/permissive/174242803/src/mips_syn.v:1151: Cannot find file containing module: \'INVX2\'\n  INVX2 U7 ( .A(n17), .Y(n5) );\n  ^~~~~\n%Error: Exiting due to too many errors encountered; --error-limit=50\n'
module alu ( result, a, b, alucont );
  output [7:0] result;
  input [7:0] a;
  input [7:0] b;
  input [2:0] alucont;
  wire   n13, n14, n15, n16, n17, n18, n19, n20, n21, n22, n23, n24, n25, n26,
         n27, n28, n29, n30, n31, n32, n33, n1, n2, n3, n4, n5, n6, n7, n8, n9,
         n10, n11, n12;
  wire   [7:0] b2;
  wire   [7:0] sum;

  AND2X2 U2 ( .A(alucont[1]), .B(sum[7]), .Y(n32) );
  OAI21X1 U13 ( .A(n4), .B(n13), .C(n14), .Y(result[7]) );
  AOI22X1 U14 ( .A(sum[7]), .B(n15), .C(n5), .D(n16), .Y(n14) );
  OR2X1 U15 ( .A(a[7]), .B(b[7]), .Y(n16) );
  NAND2X1 U16 ( .A(a[7]), .B(n1), .Y(n13) );
  OAI21X1 U17 ( .A(n17), .B(n6), .C(n18), .Y(result[6]) );
  AOI22X1 U18 ( .A(b[6]), .B(n19), .C(sum[6]), .D(n15), .Y(n18) );
  OAI21X1 U19 ( .A(alucont[1]), .B(n6), .C(n17), .Y(n19) );
  OAI21X1 U20 ( .A(n17), .B(n7), .C(n20), .Y(result[5]) );
  AOI22X1 U21 ( .A(b[5]), .B(n21), .C(sum[5]), .D(n15), .Y(n20) );
  OAI21X1 U22 ( .A(alucont[1]), .B(n7), .C(n17), .Y(n21) );
  OAI21X1 U23 ( .A(n17), .B(n8), .C(n22), .Y(result[4]) );
  AOI22X1 U24 ( .A(b[4]), .B(n23), .C(sum[4]), .D(n15), .Y(n22) );
  OAI21X1 U25 ( .A(alucont[1]), .B(n8), .C(n17), .Y(n23) );
  OAI21X1 U26 ( .A(n17), .B(n9), .C(n24), .Y(result[3]) );
  AOI22X1 U27 ( .A(b[3]), .B(n25), .C(sum[3]), .D(n15), .Y(n24) );
  OAI21X1 U28 ( .A(alucont[1]), .B(n9), .C(n17), .Y(n25) );
  OAI21X1 U29 ( .A(n17), .B(n10), .C(n26), .Y(result[2]) );
  AOI22X1 U30 ( .A(b[2]), .B(n27), .C(sum[2]), .D(n15), .Y(n26) );
  OAI21X1 U31 ( .A(alucont[1]), .B(n10), .C(n17), .Y(n27) );
  OAI21X1 U32 ( .A(n17), .B(n11), .C(n28), .Y(result[1]) );
  AOI22X1 U33 ( .A(b[1]), .B(n29), .C(sum[1]), .D(n15), .Y(n28) );
  OAI21X1 U34 ( .A(alucont[1]), .B(n11), .C(n17), .Y(n29) );
  NAND2X1 U35 ( .A(n30), .B(n31), .Y(result[0]) );
  AOI22X1 U36 ( .A(n32), .B(alucont[0]), .C(b[0]), .D(n33), .Y(n31) );
  OAI21X1 U37 ( .A(alucont[1]), .B(n12), .C(n17), .Y(n33) );
  AOI22X1 U38 ( .A(sum[0]), .B(n15), .C(a[0]), .D(n5), .Y(n30) );
  NAND2X1 U39 ( .A(alucont[0]), .B(n1), .Y(n17) );
  NOR2X1 U40 ( .A(n1), .B(alucont[0]), .Y(n15) );
  XNOR2X1 U41 ( .A(n4), .B(alucont[2]), .Y(b2[7]) );
  XOR2X1 U42 ( .A(b[6]), .B(alucont[2]), .Y(b2[6]) );
  XOR2X1 U43 ( .A(b[5]), .B(alucont[2]), .Y(b2[5]) );
  XOR2X1 U44 ( .A(b[4]), .B(n3), .Y(b2[4]) );
  XOR2X1 U45 ( .A(b[3]), .B(n3), .Y(b2[3]) );
  XOR2X1 U46 ( .A(b[2]), .B(n3), .Y(b2[2]) );
  XOR2X1 U47 ( .A(b[1]), .B(n3), .Y(b2[1]) );
  XOR2X1 U48 ( .A(b[0]), .B(n3), .Y(b2[0]) );
  alu_DW01_add_0 add_1_root_add_13_2 ( .A(a), .B(b2), .CI(n3), .SUM(sum) );
  INVX2 U3 ( .A(n2), .Y(n3) );
  INVX2 U4 ( .A(alucont[2]), .Y(n2) );
  INVX2 U5 ( .A(alucont[1]), .Y(n1) );
  INVX2 U6 ( .A(b[7]), .Y(n4) );
  INVX2 U7 ( .A(n17), .Y(n5) );
  INVX2 U8 ( .A(a[6]), .Y(n6) );
  INVX2 U9 ( .A(a[5]), .Y(n7) );
  INVX2 U10 ( .A(a[4]), .Y(n8) );
  INVX2 U11 ( .A(a[3]), .Y(n9) );
  INVX2 U12 ( .A(a[2]), .Y(n10) );
  INVX2 U49 ( .A(a[1]), .Y(n11) );
  INVX2 U50 ( .A(a[0]), .Y(n12) );
endmodule
module alu ( result, a, b, alucont );

  output [7:0] result;
  input [7:0] a;
  input [7:0] b;
  input [2:0] alucont;
  wire   n13, n14, n15, n16, n17, n18, n19, n20, n21, n22, n23, n24, n25, n26,
         n27, n28, n29, n30, n31, n32, n33, n1, n2, n3, n4, n5, n6, n7, n8, n9,
         n10, n11, n12;
  wire   [7:0] b2;
  wire   [7:0] sum;

  AND2X2 U2 ( .A(alucont[1]), .B(sum[7]), .Y(n32) );
  OAI21X1 U13 ( .A(n4), .B(n13), .C(n14), .Y(result[7]) );
  AOI22X1 U14 ( .A(sum[7]), .B(n15), .C(n5), .D(n16), .Y(n14) );
  OR2X1 U15 ( .A(a[7]), .B(b[7]), .Y(n16) );
  NAND2X1 U16 ( .A(a[7]), .B(n1), .Y(n13) );
  OAI21X1 U17 ( .A(n17), .B(n6), .C(n18), .Y(result[6]) );
  AOI22X1 U18 ( .A(b[6]), .B(n19), .C(sum[6]), .D(n15), .Y(n18) );
  OAI21X1 U19 ( .A(alucont[1]), .B(n6), .C(n17), .Y(n19) );
  OAI21X1 U20 ( .A(n17), .B(n7), .C(n20), .Y(result[5]) );
  AOI22X1 U21 ( .A(b[5]), .B(n21), .C(sum[5]), .D(n15), .Y(n20) );
  OAI21X1 U22 ( .A(alucont[1]), .B(n7), .C(n17), .Y(n21) );
  OAI21X1 U23 ( .A(n17), .B(n8), .C(n22), .Y(result[4]) );
  AOI22X1 U24 ( .A(b[4]), .B(n23), .C(sum[4]), .D(n15), .Y(n22) );
  OAI21X1 U25 ( .A(alucont[1]), .B(n8), .C(n17), .Y(n23) );
  OAI21X1 U26 ( .A(n17), .B(n9), .C(n24), .Y(result[3]) );
  AOI22X1 U27 ( .A(b[3]), .B(n25), .C(sum[3]), .D(n15), .Y(n24) );
  OAI21X1 U28 ( .A(alucont[1]), .B(n9), .C(n17), .Y(n25) );
  OAI21X1 U29 ( .A(n17), .B(n10), .C(n26), .Y(result[2]) );
  AOI22X1 U30 ( .A(b[2]), .B(n27), .C(sum[2]), .D(n15), .Y(n26) );
  OAI21X1 U31 ( .A(alucont[1]), .B(n10), .C(n17), .Y(n27) );
  OAI21X1 U32 ( .A(n17), .B(n11), .C(n28), .Y(result[1]) );
  AOI22X1 U33 ( .A(b[1]), .B(n29), .C(sum[1]), .D(n15), .Y(n28) );
  OAI21X1 U34 ( .A(alucont[1]), .B(n11), .C(n17), .Y(n29) );
  NAND2X1 U35 ( .A(n30), .B(n31), .Y(result[0]) );
  AOI22X1 U36 ( .A(n32), .B(alucont[0]), .C(b[0]), .D(n33), .Y(n31) );
  OAI21X1 U37 ( .A(alucont[1]), .B(n12), .C(n17), .Y(n33) );
  AOI22X1 U38 ( .A(sum[0]), .B(n15), .C(a[0]), .D(n5), .Y(n30) );
  NAND2X1 U39 ( .A(alucont[0]), .B(n1), .Y(n17) );
  NOR2X1 U40 ( .A(n1), .B(alucont[0]), .Y(n15) );
  XNOR2X1 U41 ( .A(n4), .B(alucont[2]), .Y(b2[7]) );
  XOR2X1 U42 ( .A(b[6]), .B(alucont[2]), .Y(b2[6]) );
  XOR2X1 U43 ( .A(b[5]), .B(alucont[2]), .Y(b2[5]) );
  XOR2X1 U44 ( .A(b[4]), .B(n3), .Y(b2[4]) );
  XOR2X1 U45 ( .A(b[3]), .B(n3), .Y(b2[3]) );
  XOR2X1 U46 ( .A(b[2]), .B(n3), .Y(b2[2]) );
  XOR2X1 U47 ( .A(b[1]), .B(n3), .Y(b2[1]) );
  XOR2X1 U48 ( .A(b[0]), .B(n3), .Y(b2[0]) );
  alu_DW01_add_0 add_1_root_add_13_2 ( .A(a), .B(b2), .CI(n3), .SUM(sum) );
  INVX2 U3 ( .A(n2), .Y(n3) );
  INVX2 U4 ( .A(alucont[2]), .Y(n2) );
  INVX2 U5 ( .A(alucont[1]), .Y(n1) );
  INVX2 U6 ( .A(b[7]), .Y(n4) );
  INVX2 U7 ( .A(n17), .Y(n5) );
  INVX2 U8 ( .A(a[6]), .Y(n6) );
  INVX2 U9 ( .A(a[5]), .Y(n7) );
  INVX2 U10 ( .A(a[4]), .Y(n8) );
  INVX2 U11 ( .A(a[3]), .Y(n9) );
  INVX2 U12 ( .A(a[2]), .Y(n10) );
  INVX2 U49 ( .A(a[1]), .Y(n11) );
  INVX2 U50 ( .A(a[0]), .Y(n12) );
endmodule