56c86c13ca
* #10 CGP Circuits as inputs (#11) * CGP Circuits as inputs * #10 support of signed output in general circuit * input as output works * output connected to input (c) * automated verilog testing * output rename * Implemented CSA and Wallace tree multiplier composing of CSAs. Also did some code cleanup. * Typos fix and code cleanup. * Added new (approximate) multiplier architectures and did some minor changes regarding sign extension for c output formats. * Updated automated testing scripts. * Small bugfix in python code generation (I initially thought this line is useless). * Updated generated circuits folder. Co-authored-by: Vojta Mrazek <mrazek@fit.vutbr.cz>
243 lines
14 KiB
Verilog
243 lines
14 KiB
Verilog
module xor_gate(input a, input b, output out);
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assign out = a ^ b;
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endmodule
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module and_gate(input a, input b, output out);
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assign out = a & b;
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endmodule
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module or_gate(input a, input b, output out);
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assign out = a | b;
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endmodule
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module not_gate(input a, output out);
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assign out = ~a;
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endmodule
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module ha(input [0:0] a, input [0:0] b, output [0:0] ha_xor0, output [0:0] ha_and0);
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xor_gate xor_gate_ha_xor0(.a(a[0]), .b(b[0]), .out(ha_xor0));
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and_gate and_gate_ha_and0(.a(a[0]), .b(b[0]), .out(ha_and0));
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endmodule
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module fa(input [0:0] a, input [0:0] b, input [0:0] cin, output [0:0] fa_xor1, output [0:0] fa_or0);
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wire [0:0] fa_xor0;
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wire [0:0] fa_and0;
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wire [0:0] fa_and1;
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xor_gate xor_gate_fa_xor0(.a(a[0]), .b(b[0]), .out(fa_xor0));
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and_gate and_gate_fa_and0(.a(a[0]), .b(b[0]), .out(fa_and0));
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xor_gate xor_gate_fa_xor1(.a(fa_xor0[0]), .b(cin[0]), .out(fa_xor1));
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and_gate and_gate_fa_and1(.a(fa_xor0[0]), .b(cin[0]), .out(fa_and1));
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or_gate or_gate_fa_or0(.a(fa_and0[0]), .b(fa_and1[0]), .out(fa_or0));
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endmodule
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module mux2to1(input [0:0] d0, input [0:0] d1, input [0:0] sel, output [0:0] mux2to1_xor0);
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wire [0:0] mux2to1_and0;
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wire [0:0] mux2to1_not0;
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wire [0:0] mux2to1_and1;
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and_gate and_gate_mux2to1_and0(.a(d1[0]), .b(sel[0]), .out(mux2to1_and0));
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not_gate not_gate_mux2to1_not0(.a(sel[0]), .out(mux2to1_not0));
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and_gate and_gate_mux2to1_and1(.a(d0[0]), .b(mux2to1_not0[0]), .out(mux2to1_and1));
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xor_gate xor_gate_mux2to1_xor0(.a(mux2to1_and0[0]), .b(mux2to1_and1[0]), .out(mux2to1_xor0));
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endmodule
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module s_cska24(input [23:0] a, input [23:0] b, output [24:0] s_cska24_out);
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wire [0:0] s_cska24_xor0;
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wire [0:0] s_cska24_ha0_xor0;
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wire [0:0] s_cska24_ha0_and0;
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wire [0:0] s_cska24_xor1;
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wire [0:0] s_cska24_fa0_xor1;
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wire [0:0] s_cska24_fa0_or0;
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wire [0:0] s_cska24_xor2;
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wire [0:0] s_cska24_fa1_xor1;
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wire [0:0] s_cska24_fa1_or0;
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wire [0:0] s_cska24_xor3;
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wire [0:0] s_cska24_fa2_xor1;
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wire [0:0] s_cska24_fa2_or0;
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wire [0:0] s_cska24_and_propagate00;
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wire [0:0] s_cska24_and_propagate01;
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wire [0:0] s_cska24_and_propagate02;
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wire [0:0] s_cska24_mux2to10_and1;
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wire [0:0] s_cska24_xor4;
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wire [0:0] s_cska24_fa3_xor1;
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wire [0:0] s_cska24_fa3_or0;
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wire [0:0] s_cska24_xor5;
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wire [0:0] s_cska24_fa4_xor1;
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wire [0:0] s_cska24_fa4_or0;
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wire [0:0] s_cska24_xor6;
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wire [0:0] s_cska24_fa5_xor1;
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wire [0:0] s_cska24_fa5_or0;
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wire [0:0] s_cska24_xor7;
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wire [0:0] s_cska24_fa6_xor1;
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wire [0:0] s_cska24_fa6_or0;
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wire [0:0] s_cska24_and_propagate13;
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wire [0:0] s_cska24_and_propagate14;
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wire [0:0] s_cska24_and_propagate15;
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wire [0:0] s_cska24_mux2to11_xor0;
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wire [0:0] s_cska24_xor8;
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wire [0:0] s_cska24_fa7_xor1;
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wire [0:0] s_cska24_fa7_or0;
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wire [0:0] s_cska24_xor9;
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wire [0:0] s_cska24_fa8_xor1;
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wire [0:0] s_cska24_fa8_or0;
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wire [0:0] s_cska24_xor10;
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wire [0:0] s_cska24_fa9_xor1;
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wire [0:0] s_cska24_fa9_or0;
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wire [0:0] s_cska24_xor11;
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wire [0:0] s_cska24_fa10_xor1;
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wire [0:0] s_cska24_fa10_or0;
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wire [0:0] s_cska24_and_propagate26;
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wire [0:0] s_cska24_and_propagate27;
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wire [0:0] s_cska24_and_propagate28;
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wire [0:0] s_cska24_mux2to12_xor0;
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wire [0:0] s_cska24_xor12;
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wire [0:0] s_cska24_fa11_xor1;
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wire [0:0] s_cska24_fa11_or0;
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wire [0:0] s_cska24_xor13;
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wire [0:0] s_cska24_fa12_xor1;
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wire [0:0] s_cska24_fa12_or0;
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wire [0:0] s_cska24_xor14;
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wire [0:0] s_cska24_fa13_xor1;
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wire [0:0] s_cska24_fa13_or0;
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wire [0:0] s_cska24_xor15;
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wire [0:0] s_cska24_fa14_xor1;
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wire [0:0] s_cska24_fa14_or0;
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wire [0:0] s_cska24_and_propagate39;
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wire [0:0] s_cska24_and_propagate310;
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wire [0:0] s_cska24_and_propagate311;
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wire [0:0] s_cska24_mux2to13_xor0;
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wire [0:0] s_cska24_xor16;
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wire [0:0] s_cska24_fa15_xor1;
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wire [0:0] s_cska24_fa15_or0;
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wire [0:0] s_cska24_xor17;
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wire [0:0] s_cska24_fa16_xor1;
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wire [0:0] s_cska24_fa16_or0;
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wire [0:0] s_cska24_xor18;
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wire [0:0] s_cska24_fa17_xor1;
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wire [0:0] s_cska24_fa17_or0;
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wire [0:0] s_cska24_xor19;
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wire [0:0] s_cska24_fa18_xor1;
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wire [0:0] s_cska24_fa18_or0;
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wire [0:0] s_cska24_and_propagate412;
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wire [0:0] s_cska24_and_propagate413;
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wire [0:0] s_cska24_and_propagate414;
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wire [0:0] s_cska24_mux2to14_xor0;
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wire [0:0] s_cska24_xor20;
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wire [0:0] s_cska24_fa19_xor1;
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wire [0:0] s_cska24_fa19_or0;
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wire [0:0] s_cska24_xor21;
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wire [0:0] s_cska24_fa20_xor1;
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wire [0:0] s_cska24_fa20_or0;
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wire [0:0] s_cska24_xor22;
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wire [0:0] s_cska24_fa21_xor1;
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wire [0:0] s_cska24_fa21_or0;
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wire [0:0] s_cska24_xor23;
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wire [0:0] s_cska24_fa22_xor1;
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wire [0:0] s_cska24_fa22_or0;
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wire [0:0] s_cska24_and_propagate515;
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wire [0:0] s_cska24_and_propagate516;
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wire [0:0] s_cska24_and_propagate517;
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wire [0:0] s_cska24_mux2to15_xor0;
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wire [0:0] s_cska24_xor24;
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wire [0:0] s_cska24_xor25;
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xor_gate xor_gate_s_cska24_xor0(.a(a[0]), .b(b[0]), .out(s_cska24_xor0));
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ha ha_s_cska24_ha0_out(.a(a[0]), .b(b[0]), .ha_xor0(s_cska24_ha0_xor0), .ha_and0(s_cska24_ha0_and0));
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xor_gate xor_gate_s_cska24_xor1(.a(a[1]), .b(b[1]), .out(s_cska24_xor1));
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fa fa_s_cska24_fa0_out(.a(a[1]), .b(b[1]), .cin(s_cska24_ha0_and0[0]), .fa_xor1(s_cska24_fa0_xor1), .fa_or0(s_cska24_fa0_or0));
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xor_gate xor_gate_s_cska24_xor2(.a(a[2]), .b(b[2]), .out(s_cska24_xor2));
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fa fa_s_cska24_fa1_out(.a(a[2]), .b(b[2]), .cin(s_cska24_fa0_or0[0]), .fa_xor1(s_cska24_fa1_xor1), .fa_or0(s_cska24_fa1_or0));
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xor_gate xor_gate_s_cska24_xor3(.a(a[3]), .b(b[3]), .out(s_cska24_xor3));
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fa fa_s_cska24_fa2_out(.a(a[3]), .b(b[3]), .cin(s_cska24_fa1_or0[0]), .fa_xor1(s_cska24_fa2_xor1), .fa_or0(s_cska24_fa2_or0));
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and_gate and_gate_s_cska24_and_propagate00(.a(s_cska24_xor0[0]), .b(s_cska24_xor2[0]), .out(s_cska24_and_propagate00));
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and_gate and_gate_s_cska24_and_propagate01(.a(s_cska24_xor1[0]), .b(s_cska24_xor3[0]), .out(s_cska24_and_propagate01));
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and_gate and_gate_s_cska24_and_propagate02(.a(s_cska24_and_propagate00[0]), .b(s_cska24_and_propagate01[0]), .out(s_cska24_and_propagate02));
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mux2to1 mux2to1_s_cska24_mux2to10_out(.d0(s_cska24_fa2_or0[0]), .d1(1'b0), .sel(s_cska24_and_propagate02[0]), .mux2to1_xor0(s_cska24_mux2to10_and1));
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xor_gate xor_gate_s_cska24_xor4(.a(a[4]), .b(b[4]), .out(s_cska24_xor4));
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fa fa_s_cska24_fa3_out(.a(a[4]), .b(b[4]), .cin(s_cska24_mux2to10_and1[0]), .fa_xor1(s_cska24_fa3_xor1), .fa_or0(s_cska24_fa3_or0));
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xor_gate xor_gate_s_cska24_xor5(.a(a[5]), .b(b[5]), .out(s_cska24_xor5));
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fa fa_s_cska24_fa4_out(.a(a[5]), .b(b[5]), .cin(s_cska24_fa3_or0[0]), .fa_xor1(s_cska24_fa4_xor1), .fa_or0(s_cska24_fa4_or0));
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xor_gate xor_gate_s_cska24_xor6(.a(a[6]), .b(b[6]), .out(s_cska24_xor6));
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fa fa_s_cska24_fa5_out(.a(a[6]), .b(b[6]), .cin(s_cska24_fa4_or0[0]), .fa_xor1(s_cska24_fa5_xor1), .fa_or0(s_cska24_fa5_or0));
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xor_gate xor_gate_s_cska24_xor7(.a(a[7]), .b(b[7]), .out(s_cska24_xor7));
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fa fa_s_cska24_fa6_out(.a(a[7]), .b(b[7]), .cin(s_cska24_fa5_or0[0]), .fa_xor1(s_cska24_fa6_xor1), .fa_or0(s_cska24_fa6_or0));
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and_gate and_gate_s_cska24_and_propagate13(.a(s_cska24_xor4[0]), .b(s_cska24_xor6[0]), .out(s_cska24_and_propagate13));
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and_gate and_gate_s_cska24_and_propagate14(.a(s_cska24_xor5[0]), .b(s_cska24_xor7[0]), .out(s_cska24_and_propagate14));
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and_gate and_gate_s_cska24_and_propagate15(.a(s_cska24_and_propagate13[0]), .b(s_cska24_and_propagate14[0]), .out(s_cska24_and_propagate15));
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mux2to1 mux2to1_s_cska24_mux2to11_out(.d0(s_cska24_fa6_or0[0]), .d1(s_cska24_mux2to10_and1[0]), .sel(s_cska24_and_propagate15[0]), .mux2to1_xor0(s_cska24_mux2to11_xor0));
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xor_gate xor_gate_s_cska24_xor8(.a(a[8]), .b(b[8]), .out(s_cska24_xor8));
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fa fa_s_cska24_fa7_out(.a(a[8]), .b(b[8]), .cin(s_cska24_mux2to11_xor0[0]), .fa_xor1(s_cska24_fa7_xor1), .fa_or0(s_cska24_fa7_or0));
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xor_gate xor_gate_s_cska24_xor9(.a(a[9]), .b(b[9]), .out(s_cska24_xor9));
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fa fa_s_cska24_fa8_out(.a(a[9]), .b(b[9]), .cin(s_cska24_fa7_or0[0]), .fa_xor1(s_cska24_fa8_xor1), .fa_or0(s_cska24_fa8_or0));
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xor_gate xor_gate_s_cska24_xor10(.a(a[10]), .b(b[10]), .out(s_cska24_xor10));
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fa fa_s_cska24_fa9_out(.a(a[10]), .b(b[10]), .cin(s_cska24_fa8_or0[0]), .fa_xor1(s_cska24_fa9_xor1), .fa_or0(s_cska24_fa9_or0));
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xor_gate xor_gate_s_cska24_xor11(.a(a[11]), .b(b[11]), .out(s_cska24_xor11));
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fa fa_s_cska24_fa10_out(.a(a[11]), .b(b[11]), .cin(s_cska24_fa9_or0[0]), .fa_xor1(s_cska24_fa10_xor1), .fa_or0(s_cska24_fa10_or0));
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and_gate and_gate_s_cska24_and_propagate26(.a(s_cska24_xor8[0]), .b(s_cska24_xor10[0]), .out(s_cska24_and_propagate26));
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and_gate and_gate_s_cska24_and_propagate27(.a(s_cska24_xor9[0]), .b(s_cska24_xor11[0]), .out(s_cska24_and_propagate27));
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and_gate and_gate_s_cska24_and_propagate28(.a(s_cska24_and_propagate26[0]), .b(s_cska24_and_propagate27[0]), .out(s_cska24_and_propagate28));
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mux2to1 mux2to1_s_cska24_mux2to12_out(.d0(s_cska24_fa10_or0[0]), .d1(s_cska24_mux2to11_xor0[0]), .sel(s_cska24_and_propagate28[0]), .mux2to1_xor0(s_cska24_mux2to12_xor0));
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xor_gate xor_gate_s_cska24_xor12(.a(a[12]), .b(b[12]), .out(s_cska24_xor12));
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fa fa_s_cska24_fa11_out(.a(a[12]), .b(b[12]), .cin(s_cska24_mux2to12_xor0[0]), .fa_xor1(s_cska24_fa11_xor1), .fa_or0(s_cska24_fa11_or0));
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xor_gate xor_gate_s_cska24_xor13(.a(a[13]), .b(b[13]), .out(s_cska24_xor13));
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fa fa_s_cska24_fa12_out(.a(a[13]), .b(b[13]), .cin(s_cska24_fa11_or0[0]), .fa_xor1(s_cska24_fa12_xor1), .fa_or0(s_cska24_fa12_or0));
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xor_gate xor_gate_s_cska24_xor14(.a(a[14]), .b(b[14]), .out(s_cska24_xor14));
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fa fa_s_cska24_fa13_out(.a(a[14]), .b(b[14]), .cin(s_cska24_fa12_or0[0]), .fa_xor1(s_cska24_fa13_xor1), .fa_or0(s_cska24_fa13_or0));
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xor_gate xor_gate_s_cska24_xor15(.a(a[15]), .b(b[15]), .out(s_cska24_xor15));
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fa fa_s_cska24_fa14_out(.a(a[15]), .b(b[15]), .cin(s_cska24_fa13_or0[0]), .fa_xor1(s_cska24_fa14_xor1), .fa_or0(s_cska24_fa14_or0));
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and_gate and_gate_s_cska24_and_propagate39(.a(s_cska24_xor12[0]), .b(s_cska24_xor14[0]), .out(s_cska24_and_propagate39));
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and_gate and_gate_s_cska24_and_propagate310(.a(s_cska24_xor13[0]), .b(s_cska24_xor15[0]), .out(s_cska24_and_propagate310));
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and_gate and_gate_s_cska24_and_propagate311(.a(s_cska24_and_propagate39[0]), .b(s_cska24_and_propagate310[0]), .out(s_cska24_and_propagate311));
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mux2to1 mux2to1_s_cska24_mux2to13_out(.d0(s_cska24_fa14_or0[0]), .d1(s_cska24_mux2to12_xor0[0]), .sel(s_cska24_and_propagate311[0]), .mux2to1_xor0(s_cska24_mux2to13_xor0));
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xor_gate xor_gate_s_cska24_xor16(.a(a[16]), .b(b[16]), .out(s_cska24_xor16));
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fa fa_s_cska24_fa15_out(.a(a[16]), .b(b[16]), .cin(s_cska24_mux2to13_xor0[0]), .fa_xor1(s_cska24_fa15_xor1), .fa_or0(s_cska24_fa15_or0));
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xor_gate xor_gate_s_cska24_xor17(.a(a[17]), .b(b[17]), .out(s_cska24_xor17));
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fa fa_s_cska24_fa16_out(.a(a[17]), .b(b[17]), .cin(s_cska24_fa15_or0[0]), .fa_xor1(s_cska24_fa16_xor1), .fa_or0(s_cska24_fa16_or0));
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xor_gate xor_gate_s_cska24_xor18(.a(a[18]), .b(b[18]), .out(s_cska24_xor18));
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fa fa_s_cska24_fa17_out(.a(a[18]), .b(b[18]), .cin(s_cska24_fa16_or0[0]), .fa_xor1(s_cska24_fa17_xor1), .fa_or0(s_cska24_fa17_or0));
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xor_gate xor_gate_s_cska24_xor19(.a(a[19]), .b(b[19]), .out(s_cska24_xor19));
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fa fa_s_cska24_fa18_out(.a(a[19]), .b(b[19]), .cin(s_cska24_fa17_or0[0]), .fa_xor1(s_cska24_fa18_xor1), .fa_or0(s_cska24_fa18_or0));
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and_gate and_gate_s_cska24_and_propagate412(.a(s_cska24_xor16[0]), .b(s_cska24_xor18[0]), .out(s_cska24_and_propagate412));
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and_gate and_gate_s_cska24_and_propagate413(.a(s_cska24_xor17[0]), .b(s_cska24_xor19[0]), .out(s_cska24_and_propagate413));
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and_gate and_gate_s_cska24_and_propagate414(.a(s_cska24_and_propagate412[0]), .b(s_cska24_and_propagate413[0]), .out(s_cska24_and_propagate414));
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mux2to1 mux2to1_s_cska24_mux2to14_out(.d0(s_cska24_fa18_or0[0]), .d1(s_cska24_mux2to13_xor0[0]), .sel(s_cska24_and_propagate414[0]), .mux2to1_xor0(s_cska24_mux2to14_xor0));
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xor_gate xor_gate_s_cska24_xor20(.a(a[20]), .b(b[20]), .out(s_cska24_xor20));
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fa fa_s_cska24_fa19_out(.a(a[20]), .b(b[20]), .cin(s_cska24_mux2to14_xor0[0]), .fa_xor1(s_cska24_fa19_xor1), .fa_or0(s_cska24_fa19_or0));
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xor_gate xor_gate_s_cska24_xor21(.a(a[21]), .b(b[21]), .out(s_cska24_xor21));
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fa fa_s_cska24_fa20_out(.a(a[21]), .b(b[21]), .cin(s_cska24_fa19_or0[0]), .fa_xor1(s_cska24_fa20_xor1), .fa_or0(s_cska24_fa20_or0));
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xor_gate xor_gate_s_cska24_xor22(.a(a[22]), .b(b[22]), .out(s_cska24_xor22));
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fa fa_s_cska24_fa21_out(.a(a[22]), .b(b[22]), .cin(s_cska24_fa20_or0[0]), .fa_xor1(s_cska24_fa21_xor1), .fa_or0(s_cska24_fa21_or0));
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xor_gate xor_gate_s_cska24_xor23(.a(a[23]), .b(b[23]), .out(s_cska24_xor23));
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fa fa_s_cska24_fa22_out(.a(a[23]), .b(b[23]), .cin(s_cska24_fa21_or0[0]), .fa_xor1(s_cska24_fa22_xor1), .fa_or0(s_cska24_fa22_or0));
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and_gate and_gate_s_cska24_and_propagate515(.a(s_cska24_xor20[0]), .b(s_cska24_xor22[0]), .out(s_cska24_and_propagate515));
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and_gate and_gate_s_cska24_and_propagate516(.a(s_cska24_xor21[0]), .b(s_cska24_xor23[0]), .out(s_cska24_and_propagate516));
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and_gate and_gate_s_cska24_and_propagate517(.a(s_cska24_and_propagate515[0]), .b(s_cska24_and_propagate516[0]), .out(s_cska24_and_propagate517));
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mux2to1 mux2to1_s_cska24_mux2to15_out(.d0(s_cska24_fa22_or0[0]), .d1(s_cska24_mux2to14_xor0[0]), .sel(s_cska24_and_propagate517[0]), .mux2to1_xor0(s_cska24_mux2to15_xor0));
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xor_gate xor_gate_s_cska24_xor24(.a(a[23]), .b(b[23]), .out(s_cska24_xor24));
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xor_gate xor_gate_s_cska24_xor25(.a(s_cska24_xor24[0]), .b(s_cska24_mux2to15_xor0[0]), .out(s_cska24_xor25));
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assign s_cska24_out[0] = s_cska24_ha0_xor0[0];
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assign s_cska24_out[1] = s_cska24_fa0_xor1[0];
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assign s_cska24_out[2] = s_cska24_fa1_xor1[0];
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assign s_cska24_out[3] = s_cska24_fa2_xor1[0];
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assign s_cska24_out[4] = s_cska24_fa3_xor1[0];
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assign s_cska24_out[5] = s_cska24_fa4_xor1[0];
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assign s_cska24_out[6] = s_cska24_fa5_xor1[0];
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assign s_cska24_out[7] = s_cska24_fa6_xor1[0];
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assign s_cska24_out[8] = s_cska24_fa7_xor1[0];
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assign s_cska24_out[9] = s_cska24_fa8_xor1[0];
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assign s_cska24_out[10] = s_cska24_fa9_xor1[0];
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assign s_cska24_out[11] = s_cska24_fa10_xor1[0];
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assign s_cska24_out[12] = s_cska24_fa11_xor1[0];
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assign s_cska24_out[13] = s_cska24_fa12_xor1[0];
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assign s_cska24_out[14] = s_cska24_fa13_xor1[0];
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assign s_cska24_out[15] = s_cska24_fa14_xor1[0];
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assign s_cska24_out[16] = s_cska24_fa15_xor1[0];
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assign s_cska24_out[17] = s_cska24_fa16_xor1[0];
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assign s_cska24_out[18] = s_cska24_fa17_xor1[0];
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assign s_cska24_out[19] = s_cska24_fa18_xor1[0];
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assign s_cska24_out[20] = s_cska24_fa19_xor1[0];
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assign s_cska24_out[21] = s_cska24_fa20_xor1[0];
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assign s_cska24_out[22] = s_cska24_fa21_xor1[0];
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assign s_cska24_out[23] = s_cska24_fa22_xor1[0];
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assign s_cska24_out[24] = s_cska24_xor25[0];
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endmodule |