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basic_verilog/Advanced Synthesis Cookbook/crc/crc32_dat48.v
Konstantin Pavlov (pt) 40533743d7 Added altera cookbook
2015-12-15 22:44:58 +03:00

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// Copyright 2007 Altera Corporation. All rights reserved.
// Altera products are protected under numerous U.S. and foreign patents,
// maskwork rights, copyrights and other intellectual property laws.
//
// This reference design file, and your use thereof, is subject to and governed
// by the terms and conditions of the applicable Altera Reference Design
// License Agreement (either as signed by you or found at www.altera.com). By
// using this reference design file, you indicate your acceptance of such terms
// and conditions between you and Altera Corporation. In the event that you do
// not agree with such terms and conditions, you may not use the reference
// design file and please promptly destroy any copies you have made.
//
// This reference design file is being provided on an "as-is" basis and as an
// accommodation and therefore all warranties, representations or guarantees of
// any kind (whether express, implied or statutory) including, without
// limitation, warranties of merchantability, non-infringement, or fitness for
// a particular purpose, are specifically disclaimed. By making this reference
// design file available, Altera expressly does not recommend, suggest or
// require that this reference design file be used in combination with any
// other product not provided by Altera.
/////////////////////////////////////////////////////////////////////////////
//// CRC-32 of 48 data bits. MSB used first.
// Polynomial 04c11db7 (MSB excluded)
// x^26 + x^23 + x^22 + x^16 + x^12 + x^11 + x^10 + x^8 + x^7 + x^5 + x^4 + x^2 + x^1 + x^0
//
// Optimal LUT depth 3
//
// CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD
// 00000000001111111111222222222233 000000000011111111112222222222333333333344444444
// 01234567890123456789012345678901 012345678901234567890123456789012345678901234567
//
// C00 = X.......XXX.XXXXX.X..X......XX.X X.....X..XX.X...X.......XXX.XXXXX.X..X......XX.X
// C01 = XX......X..XX....XXX.XX.....X.XX XX....XX.X.XXX..XX......X..XX....XXX.XX.....X.XX
// C02 = XXX.....X.X...XXX..XXXXX....X... XXX...XXXX...XX.XXX.....X.X...XXX..XXXXX....X...
// C03 = .XXX.....X.X...XXX..XXXXX....X.. .XXX...XXXX...XX.XXX.....X.X...XXX..XXXXX....X..
// C04 = ..XXX...XX...XXX.X....XXXX..XXXX X.XXX.X.X..XX..X..XXX...XX...XXX.X....XXXX..XXXX
// C05 = ...XXX..X...XX.......X.XXXX.X.X. XX.XXXXX..X..X.....XXX..X...XX.......X.XXXX.X.X.
// C06 = ....XXX..X...XX.......X.XXXX.X.X .XX.XXXXX..X..X.....XXX..X...XX.......X.XXXX.X.X
// C07 = X....XXXXX..XX..X.X..X.X.XXX.XXX X.XX.X.XX.X....XX....XXXXX..XX..X.X..X.X.XXX.XXX
// C08 = .X....XX....X..XXXXX.XX.X.XX.XX. XX.XX...X.XXX....X....XX....X..XXXXX.XX.X.XX.XX.
// C09 = ..X....XX....X..XXXXX.XX.X.XX.XX .XX.XX...X.XXX....X....XX....X..XXXXX.XX.X.XX.XX
// C10 = X..X......X.XX.XXX.XX..XX.X..... X.XX.X...X...XX.X..X......X.XX.XXX.XX..XX.X.....
// C11 = XX..X...XXXXX..X.X..X...XX.XXX.X XX.XX....X..X.XXXX..X...XXXXX..X.X..X...XX.XXX.X
// C12 = .XX..X..X..X..XX.........XX...XX XXX.XXX..X..XX.X.XX..X..X..X..XX.........XX...XX
// C13 = X.XX..X..X..X..XX.........XX...X .XXX.XXX..X..XX.X.XX..X..X..X..XX.........XX...X
// C14 = .X.XX..X..X..X..XX.........XX... ..XXX.XXX..X..XX.X.XX..X..X..X..XX.........XX...
// C15 = X.X.XX..X..X..X..XX.........XX.. ...XXX.XXX..X..XX.X.XX..X..X..X..XX.........XX..
// C16 = .X.X.XX.X.X..XX.X..X.X......X.XX X...XX..X...XX...X.X.XX.X.X..XX.X..X.X......X.XX
// C17 = ..X.X.XX.X.X..XX.X..X.X......X.X .X...XX..X...XX...X.X.XX.X.X..XX.X..X.X......X.X
// C18 = ...X.X.XX.X.X..XX.X..X.X......X. ..X...XX..X...XX...X.X.XX.X.X..XX.X..X.X......X.
// C19 = X...X.X.XX.X.X..XX.X..X.X......X ...X...XX..X...XX...X.X.XX.X.X..XX.X..X.X......X
// C20 = XX...X.X.XX.X.X..XX.X..X.X...... ....X...XX..X...XX...X.X.XX.X.X..XX.X..X.X......
// C21 = .XX...X.X.XX.X.X..XX.X..X.X..... .....X...XX..X...XX...X.X.XX.X.X..XX.X..X.X.....
// C22 = X.XX...XX.XX.X.X..XXXXX..X.XXX.X X........X.XX.X.X.XX...XX.XX.X.X..XXXXX..X.XXX.X
// C23 = XX.XX.....XX.X.X..XXX.XX..X...XX XX....X..X...X.XXX.XX.....XX.X.X..XXX.XX..X...XX
// C24 = XXX.XX.....XX.X.X..XXX.XX..X...X .XX....X..X...X.XXX.XX.....XX.X.X..XXX.XX..X...X
// C25 = .XXX.XX.....XX.X.X..XXX.XX..X... ..XX....X..X...X.XXX.XX.....XX.X.X..XXX.XX..X...
// C26 = ..XXX.XXXXX.X..X......XX.XX.X..X X..XX.X...X.......XXX.XXXXX.X..X......XX.XX.X..X
// C27 = ...XXX.XXXXX.X..X......XX.XX.X.. .X..XX.X...X.......XXX.XXXXX.X..X......XX.XX.X..
// C28 = ....XXX.XXXXX.X..X......XX.XX.X. ..X..XX.X...X.......XXX.XXXXX.X..X......XX.XX.X.
// C29 = .....XXX.XXXXX.X..X......XX.XX.X ...X..XX.X...X.......XXX.XXXXX.X..X......XX.XX.X
// C30 = ......XXX.XXXXX.X..X......XX.XX. ....X..XX.X...X.......XXX.XXXXX.X..X......XX.XX.
// C31 = .......XXX.XXXXX.X..X......XX.XX .....X..XX.X...X.......XXX.XXXXX.X..X......XX.XX
//
module crc32_dat48 (crc_in,dat_in,crc_out);
input [31:0] crc_in;
input [47:0] dat_in;
output [31:0] crc_out;
wire [31:0] crc_out;
parameter METHOD = 1;
generate
if (METHOD == 0)
crc32_dat48_flat cc (.crc_in(crc_in),.dat_in(dat_in),.crc_out(crc_out));
else
crc32_dat48_factor cc (.crc_in(crc_in),.dat_in(dat_in),.crc_out(crc_out));
endgenerate
endmodule
////////////////////////////////////////////////////////////////
// Flat version
////////////////////////////////////////////////////////////////
module crc32_dat48_flat (crc_in,dat_in,crc_out);
input [31:0] crc_in;
input [47:0] dat_in;
output [31:0] crc_out;
wire [31:0] crc_out;
wire x15, x14, x13, x12, x11, x10, x9,
x8, x7, x6, x5, x4, x3, x2, x1,
x0, x31, x30, x29, x28, x27, x26, x25,
x24, x23, x22, x21, x20, x19, x18, x17,
x16;
assign crc_out = {x31,x30,x29,x28,x27,x26,x25,x24,x23,x22,x21,x20,x19,x18,x17,
x16,x15,x14,x13,x12,x11,x10,x9,x8,x7,x6,x5,x4,x3,x2,x1,
x0};
wire d0,d1,d2,d3,d4,d5,d6,d7,d8,d9,d10,d11,d12,d13,d14,
d15,d16,d17,d18,d19,d20,d21,d22,d23,d24,d25,d26,d27,d28,d29,d30,
d31,d32,d33,d34,d35,d36,d37,d38,d39,d40,d41,d42,d43,d44,d45,d46,
d47;
assign { d47,d46,d45,d44,d43,d42,d41,d40,d39,d38,d37,d36,d35,d34,d33,
d32,d31,d30,d29,d28,d27,d26,d25,d24,d23,d22,d21,d20,d19,d18,d17,
d16,d15,d14,d13,d12,d11,d10,d9,d8,d7,d6,d5,d4,d3,d2,d1,
d0} = dat_in [47:0];
wire c0,c1,c2,c3,c4,c5,c6,c7,c8,c9,c10,c11,c12,c13,c14,
c15,c16,c17,c18,c19,c20,c21,c22,c23,c24,c25,c26,c27,c28,c29,c30,
c31;
assign { c31,c30,c29,c28,c27,c26,c25,c24,c23,c22,c21,c20,c19,c18,c17,
c16,c15,c14,c13,c12,c11,c10,c9,c8,c7,c6,c5,c4,c3,c2,c1,
c0} = crc_in [31:0];
assign x15 = c17 ^ c18 ^ d21 ^ d20 ^ c5 ^ d45 ^ d18 ^ d33 ^ d9 ^
d12 ^ d5 ^ c11 ^ d27 ^ d4 ^ c8 ^ d15 ^ d24 ^ d8 ^ c14 ^
d7 ^ d16 ^ d44 ^ c28 ^ d30 ^ d34 ^ c4 ^ c29 ^ c0 ^ c2 ^
d3; // 30 ins 1 outs
assign x14 = c13 ^ d2 ^ d11 ^ d43 ^ d29 ^ d26 ^ d6 ^ c3 ^ d44 ^
d33 ^ c10 ^ c28 ^ d4 ^ d3 ^ d23 ^ d20 ^ d14 ^ d32 ^ d8 ^
c16 ^ c17 ^ c7 ^ c4 ^ d15 ^ d19 ^ d17 ^ c1 ^ d7 ^ c27; // 29 ins 1 outs
assign x13 = d31 ^ d1 ^ c12 ^ c15 ^ d32 ^ d7 ^ c2 ^ d25 ^ c6 ^
c16 ^ d43 ^ d14 ^ d10 ^ d13 ^ c9 ^ d16 ^ d42 ^ d22 ^ c0 ^
d6 ^ c27 ^ d47 ^ d5 ^ d3 ^ d2 ^ c3 ^ d18 ^ d19 ^ c26 ^
d28 ^ c31; // 31 ins 1 outs
assign x12 = d31 ^ d6 ^ d30 ^ d21 ^ c15 ^ d42 ^ d24 ^ d2 ^ c31 ^
c8 ^ d1 ^ c5 ^ c26 ^ d12 ^ c11 ^ d18 ^ c2 ^ d17 ^ d0 ^
d47 ^ c14 ^ c1 ^ c30 ^ d27 ^ d9 ^ d13 ^ d15 ^ d46 ^ d5 ^
d4 ^ d41 ^ c25; // 32 ins 1 outs
assign x11 = d47 ^ d3 ^ d40 ^ d9 ^ d26 ^ d44 ^ d45 ^ d15 ^ d43 ^
c4 ^ d1 ^ d25 ^ c9 ^ c24 ^ c29 ^ c28 ^ d14 ^ c27 ^ d4 ^
d41 ^ c31 ^ d33 ^ d12 ^ c25 ^ c17 ^ d20 ^ d17 ^ c15 ^ c1 ^
c11 ^ d16 ^ d27 ^ d31 ^ d28 ^ c0 ^ d24 ^ c8 ^ c20 ^ c12 ^
d36 ^ d0 ^ c10; // 42 ins 1 outs
assign x10 = c12 ^ d26 ^ c20 ^ d42 ^ d35 ^ c26 ^ d2 ^ d29 ^ d0 ^
d5 ^ d40 ^ d39 ^ d9 ^ c10 ^ c17 ^ c13 ^ d31 ^ c24 ^ d16 ^
c16 ^ c23 ^ d3 ^ c3 ^ c15 ^ d28 ^ c0 ^ d19 ^ d32 ^ d33 ^
d36 ^ d13 ^ d14 ^ c19; // 33 ins 1 outs
assign x9 = c13 ^ c25 ^ d33 ^ c22 ^ c28 ^ c20 ^ c19 ^ c18 ^ c7 ^
d39 ^ d13 ^ d23 ^ c30 ^ c31 ^ d36 ^ c17 ^ d1 ^ d35 ^ d38 ^
d29 ^ c23 ^ d34 ^ c2 ^ d47 ^ d44 ^ d2 ^ d18 ^ d12 ^ d46 ^
c8 ^ c16 ^ d11 ^ d32 ^ d24 ^ d5 ^ d4 ^ c27 ^ d43 ^ d41 ^
d9; // 40 ins 1 outs
assign x8 = c21 ^ d46 ^ d37 ^ d31 ^ c12 ^ d40 ^ d11 ^ c22 ^ c6 ^
d3 ^ c18 ^ d35 ^ c24 ^ d10 ^ d1 ^ d33 ^ d22 ^ d17 ^ d42 ^
d12 ^ c1 ^ d45 ^ d34 ^ c30 ^ c19 ^ d23 ^ d43 ^ c7 ^ c16 ^
c15 ^ d0 ^ d32 ^ c26 ^ c17 ^ c27 ^ d4 ^ c29 ^ d28 ^ d38 ^
d8; // 40 ins 1 outs
assign x7 = d29 ^ c12 ^ c8 ^ c31 ^ d8 ^ c18 ^ c16 ^ d45 ^ d28 ^
d21 ^ d47 ^ d32 ^ c23 ^ c27 ^ d10 ^ d25 ^ c9 ^ c30 ^ d7 ^
d42 ^ d46 ^ d2 ^ c7 ^ c0 ^ d0 ^ c13 ^ d16 ^ d39 ^ c6 ^
d37 ^ d15 ^ d41 ^ d24 ^ d5 ^ d34 ^ c29 ^ c5 ^ c21 ^ d22 ^
c26 ^ d43 ^ c25 ^ d23 ^ d3; // 44 ins 1 outs
assign x6 = c9 ^ d7 ^ c22 ^ d30 ^ d25 ^ d20 ^ d11 ^ d8 ^ c31 ^
c26 ^ d45 ^ d21 ^ d42 ^ d6 ^ d1 ^ c24 ^ c29 ^ c6 ^ c14 ^
d14 ^ c27 ^ c13 ^ d5 ^ d4 ^ d38 ^ d22 ^ d29 ^ d43 ^ d47 ^
c4 ^ d41 ^ c25 ^ d40 ^ d2 ^ c5; // 35 ins 1 outs
assign x5 = c21 ^ d46 ^ d28 ^ d1 ^ d24 ^ d10 ^ d37 ^ c8 ^ c12 ^
d44 ^ c24 ^ d29 ^ d20 ^ c25 ^ d41 ^ d4 ^ d5 ^ c30 ^ c13 ^
c28 ^ d0 ^ d39 ^ c3 ^ d6 ^ c4 ^ d7 ^ c26 ^ c5 ^ c23 ^
d42 ^ d3 ^ d21 ^ d40 ^ d19 ^ d13; // 35 ins 1 outs
assign x4 = c14 ^ d0 ^ d12 ^ d31 ^ d25 ^ d45 ^ d18 ^ d2 ^ c30 ^
c2 ^ c29 ^ c23 ^ c9 ^ d44 ^ c13 ^ d19 ^ d6 ^ d24 ^ d47 ^
d40 ^ c17 ^ c31 ^ c22 ^ d38 ^ c4 ^ d11 ^ d30 ^ c24 ^ d15 ^
c8 ^ d33 ^ d46 ^ d8 ^ d29 ^ c28 ^ c3 ^ d39 ^ d3 ^ c15 ^
d20 ^ c25 ^ d41 ^ d4; // 43 ins 1 outs
assign x3 = c22 ^ d27 ^ c1 ^ d18 ^ d2 ^ c20 ^ c11 ^ d14 ^ d39 ^
d9 ^ c21 ^ d10 ^ d38 ^ c29 ^ d15 ^ c15 ^ d40 ^ d32 ^ d1 ^
c16 ^ d45 ^ d31 ^ c17 ^ d36 ^ d33 ^ d7 ^ c3 ^ c24 ^ d8 ^
c23 ^ d17 ^ d25 ^ c2 ^ c9 ^ d19 ^ d3 ^ d37; // 37 ins 1 outs
assign x2 = d24 ^ c15 ^ d30 ^ d6 ^ d0 ^ c28 ^ d31 ^ c19 ^ d17 ^
c10 ^ c8 ^ c0 ^ c22 ^ c16 ^ c14 ^ d18 ^ d2 ^ c21 ^ d9 ^
c2 ^ d26 ^ c23 ^ d38 ^ d7 ^ d32 ^ c1 ^ d1 ^ c20 ^ d16 ^
d13 ^ d8 ^ d36 ^ d37 ^ d35 ^ d44 ^ d14 ^ d39; // 37 ins 1 outs
assign x1 = c18 ^ d0 ^ c12 ^ d6 ^ d44 ^ c11 ^ d11 ^ d28 ^ d12 ^
c21 ^ d46 ^ d16 ^ c17 ^ d13 ^ c0 ^ d24 ^ c28 ^ d35 ^ d7 ^
d37 ^ d38 ^ d9 ^ d47 ^ c30 ^ d34 ^ c19 ^ c22 ^ d27 ^ c1 ^
d17 ^ d33 ^ c31 ^ d1 ^ c8; // 34 ins 1 outs
assign x0 = c28 ^ c13 ^ d10 ^ d26 ^ c18 ^ d9 ^ c14 ^ d47 ^ c10 ^
d0 ^ d12 ^ d29 ^ c12 ^ c8 ^ c31 ^ c21 ^ c29 ^ d34 ^ d24 ^
c0 ^ d28 ^ c15 ^ c16 ^ d31 ^ d25 ^ d45 ^ d30 ^ d6 ^ d44 ^
d37 ^ d16 ^ c9 ^ d32; // 33 ins 1 outs
assign x31 = d30 ^ d11 ^ d46 ^ d29 ^ c30 ^ d33 ^ d44 ^ c12 ^ d25 ^
d24 ^ d27 ^ c14 ^ c28 ^ d23 ^ d15 ^ d9 ^ d36 ^ c31 ^ c20 ^
d5 ^ c11 ^ d8 ^ d28 ^ d31 ^ c9 ^ c8 ^ c13 ^ c17 ^ c7 ^
c15 ^ d43 ^ c27 ^ d47; // 33 ins 1 outs
assign x30 = d35 ^ c19 ^ d10 ^ c16 ^ c29 ^ d46 ^ c11 ^ d45 ^ d4 ^
c10 ^ d43 ^ c12 ^ d22 ^ d8 ^ d29 ^ c6 ^ d32 ^ d30 ^ c30 ^
d14 ^ d24 ^ d27 ^ d23 ^ d7 ^ c13 ^ c27 ^ d28 ^ c26 ^ c14 ^
c7 ^ d26 ^ c8 ^ d42; // 33 ins 1 outs
assign x29 = d47 ^ d34 ^ c28 ^ c10 ^ d42 ^ d23 ^ d7 ^ d22 ^ c25 ^
c6 ^ d27 ^ d25 ^ c15 ^ d9 ^ d21 ^ c5 ^ c31 ^ d31 ^ d26 ^
d29 ^ d41 ^ c18 ^ c29 ^ c11 ^ c26 ^ c13 ^ d13 ^ d44 ^ c9 ^
d6 ^ c12 ^ d3 ^ d45 ^ d28 ^ c7; // 35 ins 1 outs
assign x28 = d33 ^ d21 ^ c14 ^ c30 ^ d25 ^ c17 ^ d46 ^ c12 ^ d6 ^
d22 ^ c5 ^ c28 ^ c6 ^ c10 ^ d40 ^ d2 ^ d20 ^ c4 ^ d5 ^
c9 ^ d12 ^ d41 ^ c11 ^ c25 ^ d26 ^ c8 ^ d27 ^ d8 ^ d44 ^
c27 ^ d43 ^ d30 ^ d28 ^ d24 ^ c24; // 35 ins 1 outs
assign x27 = d24 ^ d27 ^ c29 ^ c10 ^ d23 ^ d5 ^ d1 ^ c24 ^ c9 ^
d20 ^ d39 ^ d19 ^ c3 ^ d45 ^ d25 ^ d26 ^ d29 ^ c4 ^ c8 ^
d4 ^ d42 ^ c13 ^ c27 ^ c16 ^ c7 ^ d43 ^ d32 ^ d7 ^ d11 ^
d21 ^ c11 ^ d40 ^ c23 ^ c5 ^ c26; // 35 ins 1 outs
assign x26 = d26 ^ d0 ^ d19 ^ d3 ^ c31 ^ d44 ^ d24 ^ d10 ^ c10 ^
d22 ^ d23 ^ c28 ^ c8 ^ c7 ^ d18 ^ c12 ^ c3 ^ c2 ^ c9 ^
d42 ^ c15 ^ d4 ^ c23 ^ d6 ^ d25 ^ d31 ^ d28 ^ d47 ^ d41 ^
d39 ^ c4 ^ c26 ^ c6 ^ d38 ^ c25 ^ d20 ^ c22; // 37 ins 1 outs
assign x25 = d33 ^ c3 ^ c24 ^ c21 ^ c28 ^ d44 ^ d38 ^ d29 ^ c22 ^
d17 ^ d2 ^ c2 ^ d18 ^ c1 ^ d28 ^ c6 ^ d22 ^ c17 ^ c25 ^
d21 ^ d11 ^ d41 ^ d40 ^ c12 ^ d36 ^ d31 ^ d15 ^ c5 ^ d8 ^
c20 ^ c13 ^ d37 ^ d3 ^ d19 ^ c15; // 35 ins 1 outs
assign x24 = d27 ^ d17 ^ c12 ^ c31 ^ d18 ^ c27 ^ c14 ^ d39 ^ d21 ^
d40 ^ d16 ^ d30 ^ c23 ^ c16 ^ c2 ^ c11 ^ c0 ^ d37 ^ c5 ^
d32 ^ d7 ^ d28 ^ c20 ^ c21 ^ d20 ^ c4 ^ c19 ^ d36 ^ c24 ^
d43 ^ d35 ^ d14 ^ d1 ^ c1 ^ d47 ^ d10 ^ d2; // 37 ins 1 outs
assign x23 = c31 ^ d46 ^ d13 ^ d31 ^ d42 ^ d35 ^ d16 ^ d34 ^ d15 ^
c15 ^ d9 ^ c23 ^ d0 ^ c3 ^ d17 ^ c0 ^ d6 ^ d29 ^ c26 ^
d20 ^ d36 ^ c10 ^ d47 ^ d38 ^ d39 ^ c4 ^ c18 ^ c1 ^ d1 ^
d19 ^ c20 ^ d26 ^ d27 ^ c22 ^ c19 ^ c13 ^ c30 ^ c11; // 38 ins 1 outs
assign x22 = c28 ^ d26 ^ c18 ^ d47 ^ c10 ^ d0 ^ d18 ^ c22 ^ c13 ^
c0 ^ d38 ^ d41 ^ d9 ^ d23 ^ d11 ^ c15 ^ d16 ^ c27 ^ c7 ^
c3 ^ d37 ^ d14 ^ d44 ^ c2 ^ c19 ^ c20 ^ d43 ^ d29 ^ d35 ^
d36 ^ d45 ^ d31 ^ c11 ^ d27 ^ d24 ^ d34 ^ c29 ^ c21 ^ c31 ^
d19 ^ c25 ^ c8 ^ d12; // 43 ins 1 outs
assign x21 = c1 ^ d27 ^ c10 ^ c2 ^ c13 ^ d26 ^ d40 ^ c21 ^ c8 ^
d34 ^ d42 ^ d9 ^ d18 ^ c26 ^ d10 ^ c18 ^ c24 ^ c19 ^ d17 ^
d37 ^ d31 ^ c6 ^ c15 ^ d35 ^ d29 ^ d5 ^ c11 ^ d22 ^ d24 ^
d13; // 30 ins 1 outs
assign x20 = d16 ^ d26 ^ d34 ^ c23 ^ c18 ^ d33 ^ d28 ^ d9 ^ c1 ^
c10 ^ d21 ^ c17 ^ c14 ^ d25 ^ d8 ^ c12 ^ d23 ^ c7 ^ c5 ^
d17 ^ c0 ^ d12 ^ d39 ^ d4 ^ d41 ^ c9 ^ c25 ^ d36 ^ c20 ^
d30; // 30 ins 1 outs
assign x19 = d8 ^ c8 ^ c22 ^ c17 ^ d22 ^ d7 ^ d3 ^ d38 ^ d16 ^
c6 ^ d11 ^ c31 ^ d25 ^ d24 ^ c11 ^ c16 ^ d32 ^ c0 ^ d20 ^
c19 ^ d29 ^ d33 ^ c24 ^ c9 ^ d40 ^ d27 ^ c4 ^ d15 ^ d47 ^
c13 ^ d35; // 31 ins 1 outs
assign x18 = c10 ^ c15 ^ c18 ^ d37 ^ c3 ^ c16 ^ d46 ^ d7 ^ d6 ^
d28 ^ c23 ^ d32 ^ d15 ^ c21 ^ d26 ^ d39 ^ c12 ^ d19 ^ c30 ^
d34 ^ d14 ^ c8 ^ d2 ^ d24 ^ d21 ^ d31 ^ d23 ^ c7 ^ c5 ^
d10; // 30 ins 1 outs
assign x17 = d30 ^ c6 ^ d6 ^ d47 ^ d14 ^ c20 ^ d23 ^ c11 ^ d25 ^
c14 ^ c31 ^ c29 ^ d27 ^ d13 ^ d38 ^ d45 ^ d5 ^ c17 ^ d18 ^
c15 ^ c9 ^ d20 ^ c2 ^ d22 ^ d1 ^ c7 ^ d31 ^ c4 ^ d33 ^
c22 ^ d9 ^ d36; // 32 ins 1 outs
assign x16 = d26 ^ c19 ^ c6 ^ d22 ^ c5 ^ d30 ^ d24 ^ d13 ^ c13 ^
c21 ^ d35 ^ d17 ^ c28 ^ c31 ^ d5 ^ d32 ^ d29 ^ d8 ^ d37 ^
d44 ^ d4 ^ c30 ^ d19 ^ c16 ^ c8 ^ d12 ^ d46 ^ d0 ^ c10 ^
c1 ^ d47 ^ c14 ^ c3 ^ d21; // 34 ins 1 outs
endmodule
////////////////////////////////////////////////////////////////
// Depth optimal factored version
////////////////////////////////////////////////////////////////
module crc32_dat48_factor (crc_in,dat_in,crc_out);
input [31:0] crc_in;
input [47:0] dat_in;
output [31:0] crc_out;
wire [31:0] crc_out;
wire x251, x250, x249, x248, x247, x246, x245,
x244, x243, x242, x241, x240, x239, x238, x237,
x236, x235, x234, x233, x232, x231, x230, x229,
x228, x227, x226, x225, x224, x223, x222, x221,
x220, x219, x218, x217, x216, x215, x214, x213,
x212, x211, x210, x209, x208, x207, x206, x205,
x204, x203, x202, x201, x200, x199, x198, x197,
x196, x195, x194, x193, x192, x191, x190, x189,
x188, x187, x186, x185, x184, x183, x182, x181,
x180, x179, x178, x177, x176, x175, x174, x173,
x172, x171, x170, x169, x168, x167, x166, x165,
x164, x163, x162, x161, x160, x159, x158, x157,
x156, x155, x154, x153, x152, x151, x150, x149,
x148, x147, x146, x145, x144, x143, x142, x141,
x15, x14, x13, x12, x11, x10, x9, x8,
x7, x6, x5, x4, x3, x2, x1, x0,
x31, x30, x29, x28, x27, x26, x25, x24,
x23, x22, x21, x20, x19, x18, x17, x16;
assign crc_out = {x31,x30,x29,x28,x27,x26,x25,x24,x23,x22,x21,x20,x19,x18,x17,
x16,x15,x14,x13,x12,x11,x10,x9,x8,x7,x6,x5,x4,x3,x2,x1,
x0};
wire d0,d1,d2,d3,d4,d5,d6,d7,d8,d9,d10,d11,d12,d13,d14,
d15,d16,d17,d18,d19,d20,d21,d22,d23,d24,d25,d26,d27,d28,d29,d30,
d31,d32,d33,d34,d35,d36,d37,d38,d39,d40,d41,d42,d43,d44,d45,d46,
d47;
assign { d47,d46,d45,d44,d43,d42,d41,d40,d39,d38,d37,d36,d35,d34,d33,
d32,d31,d30,d29,d28,d27,d26,d25,d24,d23,d22,d21,d20,d19,d18,d17,
d16,d15,d14,d13,d12,d11,d10,d9,d8,d7,d6,d5,d4,d3,d2,d1,
d0} = dat_in [47:0];
wire c0,c1,c2,c3,c4,c5,c6,c7,c8,c9,c10,c11,c12,c13,c14,
c15,c16,c17,c18,c19,c20,c21,c22,c23,c24,c25,c26,c27,c28,c29,c30,
c31;
assign { c31,c30,c29,c28,c27,c26,c25,c24,c23,c22,c21,c20,c19,c18,c17,
c16,c15,c14,c13,c12,c11,c10,c9,c8,c7,c6,c5,c4,c3,c2,c1,
c0} = crc_in [31:0];
xor6 x251i (.out(x251),.a(c20),.b(d22),.c(1'b0),.d(1'b0),.e(1'b0),.f(1'b0)); // 2 ins 1 outs
xor6 x250i (.out(x250),.a(x158),.b(d41),.c(c27),.d(d43),.e(1'b0),.f(1'b0)); // 4 ins 1 outs
xor6 x249i (.out(x249),.a(d22),.b(x219),.c(x199),.d(x195),.e(1'b0),.f(1'b0)); // 4 ins 1 outs
xor6 x248i (.out(x248),.a(x149),.b(d39),.c(c5),.d(d21),.e(1'b0),.f(1'b0)); // 4 ins 1 outs
xor6 x247i (.out(x247),.a(x150),.b(d22),.c(c6),.d(c5),.e(1'b0),.f(1'b0)); // 4 ins 1 outs
xor6 x246i (.out(x246),.a(c31),.b(d9),.c(c11),.d(d47),.e(1'b0),.f(1'b0)); // 4 ins 1 outs
xor6 x245i (.out(x245),.a(x151),.b(d11),.c(d45),.d(1'b0),.e(1'b0),.f(1'b0)); // 3 ins 1 outs
xor6 x244i (.out(x244),.a(x186),.b(x141),.c(d5),.d(1'b0),.e(1'b0),.f(1'b0)); // 3 ins 1 outs
xor6 x243i (.out(x243),.a(x156),.b(d6),.c(d29),.d(1'b0),.e(1'b0),.f(1'b0)); // 3 ins 1 outs
xor6 x242i (.out(x242),.a(x157),.b(c13),.c(c14),.d(1'b0),.e(1'b0),.f(1'b0)); // 3 ins 1 outs
xor6 x241i (.out(x241),.a(c3),.b(c20),.c(d19),.d(d36),.e(1'b0),.f(1'b0)); // 4 ins 1 outs
xor6 x240i (.out(x240),.a(x148),.b(x213),.c(x174),.d(x155),.e(1'b0),.f(1'b0)); // 4 ins 1 outs
xor6 x239i (.out(x239),.a(x151),.b(x167),.c(c22),.d(d2),.e(1'b0),.f(1'b0)); // 4 ins 1 outs
xor6 x238i (.out(x238),.a(x149),.b(x175),.c(d11),.d(c18),.e(1'b0),.f(1'b0)); // 4 ins 1 outs
xor6 x237i (.out(x237),.a(x144),.b(d4),.c(d14),.d(d44),.e(1'b0),.f(1'b0)); // 4 ins 1 outs
xor6 x236i (.out(x236),.a(x150),.b(c2),.c(d45),.d(c29),.e(1'b0),.f(1'b0)); // 4 ins 1 outs
xor6 x235i (.out(x235),.a(x141),.b(d10),.c(x157),.d(d32),.e(d8),.f(1'b0)); // 5 ins 1 outs
xor6 x234i (.out(x234),.a(d9),.b(d10),.c(c3),.d(d7),.e(x166),.f(1'b0)); // 5 ins 1 outs
xor6 x233i (.out(x233),.a(c29),.b(d45),.c(x206),.d(x158),.e(x151),.f(1'b0)); // 5 ins 1 outs
xor6 x232i (.out(x232),.a(d13),.b(d12),.c(d6),.d(x163),.e(x175),.f(1'b0)); // 5 ins 1 outs
xor6 x231i (.out(x231),.a(c5),.b(d14),.c(d15),.d(x163),.e(x148),.f(1'b0)); // 5 ins 1 outs
xor6 x230i (.out(x230),.a(d9),.b(x156),.c(d12),.d(c14),.e(d23),.f(1'b0)); // 5 ins 1 outs
xor6 x229i (.out(x229),.a(x193),.b(d40),.c(c24),.d(d24),.e(c21),.f(1'b0)); // 5 ins 1 outs
xor6 x228i (.out(x228),.a(d33),.b(d47),.c(c30),.d(c31),.e(d0),.f(1'b0)); // 5 ins 1 outs
xor6 x227i (.out(x227),.a(x201),.b(d29),.c(x154),.d(x150),.e(x147),.f(1'b0)); // 5 ins 1 outs
xor6 x226i (.out(x226),.a(c20),.b(x151),.c(x152),.d(d5),.e(d8),.f(1'b0)); // 5 ins 1 outs
xor6 x225i (.out(x225),.a(x158),.b(d6),.c(x167),.d(x147),.e(x149),.f(1'b0)); // 5 ins 1 outs
xor6 x224i (.out(x224),.a(x199),.b(c19),.c(d7),.d(c6),.e(d35),.f(1'b0)); // 5 ins 1 outs
xor6 x223i (.out(x223),.a(d31),.b(d3),.c(d10),.d(c17),.e(x174),.f(1'b0)); // 5 ins 1 outs
xor6 x222i (.out(x222),.a(x150),.b(x199),.c(x193),.d(d4),.e(d8),.f(1'b0)); // 5 ins 1 outs
xor6 x221i (.out(x221),.a(d16),.b(d6),.c(c7),.d(d30),.e(c9),.f(1'b0)); // 5 ins 1 outs
xor6 x220i (.out(x220),.a(d16),.b(c1),.c(c21),.d(x154),.e(c0),.f(1'b0)); // 5 ins 1 outs
xor6 x219i (.out(x219),.a(d36),.b(d14),.c(d25),.d(d1),.e(c6),.f(1'b0)); // 5 ins 1 outs
xor6 x218i (.out(x218),.a(c30),.b(d46),.c(x159),.d(d40),.e(c14),.f(1'b0)); // 5 ins 1 outs
xor6 x217i (.out(x217),.a(c14),.b(d3),.c(d30),.d(x144),.e(x166),.f(1'b0)); // 5 ins 1 outs
xor6 x216i (.out(x216),.a(c16),.b(d32),.c(x159),.d(x163),.e(d8),.f(1'b0)); // 5 ins 1 outs
xor6 x215i (.out(x215),.a(x159),.b(d17),.c(d35),.d(x182),.e(d1),.f(1'b0)); // 5 ins 1 outs
xor6 x214i (.out(x214),.a(x142),.b(c28),.c(d44),.d(d40),.e(d7),.f(1'b0)); // 5 ins 1 outs
xor6 x213i (.out(x213),.a(d13),.b(c3),.c(d19),.d(d0),.e(c13),.f(1'b0)); // 5 ins 1 outs
xor6 x212i (.out(x212),.a(x163),.b(d45),.c(c0),.d(c25),.e(x148),.f(1'b0)); // 5 ins 1 outs
xor6 x211i (.out(x211),.a(c23),.b(d10),.c(x148),.d(d13),.e(x155),.f(1'b0)); // 5 ins 1 outs
xor6 x210i (.out(x210),.a(x154),.b(d33),.c(d44),.d(c28),.e(x186),.f(1'b0)); // 5 ins 1 outs
xor6 x209i (.out(x209),.a(d7),.b(x193),.c(d27),.d(x163),.e(x147),.f(1'b0)); // 5 ins 1 outs
xor6 x208i (.out(x208),.a(x142),.b(x155),.c(x153),.d(d30),.e(x175),.f(1'b0)); // 5 ins 1 outs
xor6 x207i (.out(x207),.a(c25),.b(d41),.c(c7),.d(x154),.e(d8),.f(1'b0)); // 5 ins 1 outs
xor6 x206i (.out(x206),.a(c18),.b(d35),.c(d34),.d(d15),.e(d12),.f(1'b0)); // 5 ins 1 outs
xor6 x205i (.out(x205),.a(x153),.b(c17),.c(d7),.d(d0),.e(d33),.f(1'b0)); // 5 ins 1 outs
xor6 x204i (.out(x204),.a(d2),.b(c28),.c(d11),.d(x155),.e(c13),.f(1'b0)); // 5 ins 1 outs
xor6 x203i (.out(x203),.a(x144),.b(d18),.c(x163),.d(x152),.e(d6),.f(1'b0)); // 5 ins 1 outs
xor6 x202i (.out(x202),.a(c6),.b(c7),.c(c16),.d(d22),.e(x152),.f(1'b0)); // 5 ins 1 outs
xor6 x201i (.out(x201),.a(c26),.b(c7),.c(c14),.d(d11),.e(d42),.f(1'b0)); // 5 ins 1 outs
xor6 x200i (.out(x200),.a(x147),.b(d19),.c(c16),.d(x153),.e(d32),.f(1'b0)); // 5 ins 1 outs
xor6 x199i (.out(x199),.a(d36),.b(c20),.c(c13),.d(d29),.e(1'b0),.f(1'b0)); // 4 ins 3 outs
xor6 x198i (.out(x198),.a(d37),.b(c18),.c(x151),.d(d10),.e(c8),.f(1'b0)); // 5 ins 1 outs
xor6 x197i (.out(x197),.a(d6),.b(x143),.c(x147),.d(d3),.e(d15),.f(1'b0)); // 5 ins 1 outs
xor6 x196i (.out(x196),.a(x148),.b(x157),.c(d36),.d(d33),.e(1'b0),.f(1'b0)); // 4 ins 3 outs
xor6 x195i (.out(x195),.a(d19),.b(d3),.c(c3),.d(d25),.e(d2),.f(1'b0)); // 5 ins 2 outs
xor6 x194i (.out(x194),.a(c0),.b(c6),.c(x182),.d(d9),.e(d22),.f(1'b0)); // 5 ins 1 outs
xor6 x193i (.out(x193),.a(d16),.b(d29),.c(c10),.d(d26),.e(1'b0),.f(1'b0)); // 4 ins 3 outs
xor6 x192i (.out(x192),.a(d42),.b(d15),.c(d2),.d(x163),.e(c26),.f(1'b0)); // 5 ins 2 outs
xor6 x191i (.out(x191),.a(x150),.b(d36),.c(d17),.d(d35),.e(d40),.f(1'b0)); // 5 ins 1 outs
xor6 x190i (.out(x190),.a(d36),.b(x141),.c(d25),.d(c9),.e(1'b0),.f(1'b0)); // 4 ins 3 outs
xor6 x189i (.out(x189),.a(x148),.b(d17),.c(c1),.d(c7),.e(1'b0),.f(1'b0)); // 4 ins 3 outs
xor6 x188i (.out(x188),.a(d6),.b(x166),.c(c19),.d(c29),.e(d35),.f(1'b0)); // 5 ins 2 outs
xor6 x187i (.out(x187),.a(d39),.b(d1),.c(x148),.d(c23),.e(1'b0),.f(1'b0)); // 4 ins 2 outs
xor6 x186i (.out(x186),.a(d46),.b(c30),.c(d12),.d(d43),.e(c27),.f(1'b0)); // 5 ins 2 outs
xor6 x185i (.out(x185),.a(c15),.b(x149),.c(d31),.d(c14),.e(x147),.f(1'b0)); // 5 ins 2 outs
xor6 x184i (.out(x184),.a(c8),.b(d24),.c(x152),.d(d7),.e(1'b0),.f(1'b0)); // 4 ins 3 outs
xor6 x183i (.out(x183),.a(d38),.b(x155),.c(d7),.d(d5),.e(d40),.f(1'b0)); // 5 ins 1 outs
xor6 x182i (.out(x182),.a(d14),.b(d13),.c(c13),.d(d33),.e(c17),.f(1'b0)); // 5 ins 2 outs
xor6 x181i (.out(x181),.a(x153),.b(d21),.c(c0),.d(x163),.e(d4),.f(1'b0)); // 5 ins 2 outs
xor6 x180i (.out(x180),.a(d18),.b(c2),.c(d27),.d(x142),.e(c11),.f(1'b0)); // 5 ins 2 outs
xor6 x179i (.out(x179),.a(d31),.b(d23),.c(x151),.d(c15),.e(d13),.f(1'b0)); // 5 ins 3 outs
xor6 x178i (.out(x178),.a(c19),.b(c22),.c(d7),.d(d38),.e(x152),.f(1'b0)); // 5 ins 2 outs
xor6 x177i (.out(x177),.a(d37),.b(c21),.c(d14),.d(x149),.e(1'b0),.f(1'b0)); // 4 ins 5 outs
xor6 x176i (.out(x176),.a(c22),.b(x150),.c(x142),.d(d38),.e(x153),.f(1'b0)); // 5 ins 2 outs
xor6 x175i (.out(x175),.a(d9),.b(d46),.c(c30),.d(d41),.e(c25),.f(1'b0)); // 5 ins 3 outs
xor6 x174i (.out(x174),.a(c24),.b(d40),.c(d5),.d(c26),.e(d42),.f(1'b0)); // 5 ins 2 outs
xor6 x173i (.out(x173),.a(x158),.b(d29),.c(d28),.d(c12),.e(d0),.f(1'b0)); // 5 ins 3 outs
xor6 x172i (.out(x172),.a(d43),.b(c27),.c(x147),.d(d11),.e(d14),.f(1'b0)); // 5 ins 2 outs
xor6 x171i (.out(x171),.a(x146),.b(d18),.c(x167),.d(x159),.e(c2),.f(1'b0)); // 5 ins 2 outs
xor6 x170i (.out(x170),.a(c17),.b(d2),.c(d25),.d(c9),.e(x143),.f(1'b0)); // 5 ins 2 outs
xor6 x169i (.out(x169),.a(d16),.b(d32),.c(c16),.d(d0),.e(x153),.f(1'b0)); // 5 ins 4 outs
xor6 x168i (.out(x168),.a(d1),.b(x157),.c(d34),.d(d5),.e(c7),.f(1'b0)); // 5 ins 2 outs
xor6 x167i (.out(x167),.a(d30),.b(d1),.c(d47),.d(c31),.e(d5),.f(1'b0)); // 5 ins 3 outs
xor6 x166i (.out(x166),.a(d27),.b(d11),.c(c13),.d(c11),.e(1'b0),.f(1'b0)); // 4 ins 4 outs
xor6 x165i (.out(x165),.a(d29),.b(x146),.c(d4),.d(d23),.e(1'b0),.f(1'b0)); // 4 ins 6 outs
xor6 x164i (.out(x164),.a(x154),.b(d30),.c(d4),.d(x141),.e(c24),.f(1'b0)); // 5 ins 3 outs
xor6 x163i (.out(x163),.a(d6),.b(c18),.c(d34),.d(d16),.e(1'b0),.f(1'b0)); // 4 ins 9 outs
xor6 x162i (.out(x162),.a(x156),.b(c8),.c(d24),.d(d40),.e(c0),.f(1'b0)); // 5 ins 4 outs
xor6 x161i (.out(x161),.a(d3),.b(d44),.c(d21),.d(c28),.e(x143),.f(1'b0)); // 5 ins 4 outs
xor6 x160i (.out(x160),.a(d11),.b(d40),.c(x142),.d(x144),.e(c24),.f(1'b0)); // 5 ins 6 outs
xor6 x159i (.out(x159),.a(d28),.b(d14),.c(d10),.d(c0),.e(c12),.f(1'b0)); // 5 ins 5 outs
xor6 x158i (.out(x158),.a(c7),.b(c20),.c(d31),.d(c15),.e(d23),.f(1'b0)); // 5 ins 4 outs
xor6 x157i (.out(x157),.a(c19),.b(c13),.c(d13),.d(d9),.e(d35),.f(1'b0)); // 5 ins 5 outs
xor6 x156i (.out(x156),.a(d8),.b(d6),.c(c10),.d(d30),.e(d26),.f(1'b0)); // 5 ins 4 outs
xor6 x155i (.out(x155),.a(d29),.b(d6),.c(d20),.d(c4),.e(d4),.f(1'b0)); // 5 ins 5 outs
xor6 x154i (.out(x154),.a(c24),.b(c5),.c(d21),.d(d5),.e(c14),.f(1'b0)); // 5 ins 5 outs
xor6 x153i (.out(x153),.a(c20),.b(d2),.c(d39),.d(c23),.e(1'b0),.f(1'b0)); // 4 ins 7 outs
xor6 x152i (.out(x152),.a(d37),.b(d10),.c(d46),.d(c21),.e(c30),.f(1'b0)); // 5 ins 5 outs
xor6 x151i (.out(x151),.a(d22),.b(c26),.c(c7),.d(d42),.e(c6),.f(1'b0)); // 5 ins 6 outs
xor6 x150i (.out(x150),.a(d27),.b(c0),.c(c11),.d(d20),.e(c4),.f(1'b0)); // 5 ins 7 outs
xor6 x149i (.out(x149),.a(c22),.b(d38),.c(d36),.d(c2),.e(d18),.f(1'b0)); // 5 ins 5 outs
xor6 x148i (.out(x148),.a(d26),.b(d19),.c(c10),.d(d29),.e(c3),.f(1'b0)); // 5 ins 7 outs
xor6 x147i (.out(x147),.a(c9),.b(d25),.c(c29),.d(d45),.e(c13),.f(1'b0)); // 5 ins 7 outs
xor6 x146i (.out(x146),.a(d7),.b(d43),.c(c27),.d(d32),.e(c16),.f(1'b0)); // 5 ins 2 outs
xor6 x145i (.out(x145),.a(d9),.b(d44),.c(x141),.d(d12),.e(c28),.f(1'b0)); // 5 ins 9 outs
xor6 x144i (.out(x144),.a(d8),.b(d33),.c(d15),.d(c17),.e(d3),.f(1'b0)); // 5 ins 4 outs
xor6 x143i (.out(x143),.a(c12),.b(c5),.c(d41),.d(d28),.e(c25),.f(1'b0)); // 5 ins 4 outs
xor6 x142i (.out(x142),.a(d17),.b(c1),.c(d1),.d(d31),.e(c15),.f(1'b0)); // 5 ins 5 outs
xor6 x141i (.out(x141),.a(d47),.b(c31),.c(c8),.d(d24),.e(d0),.f(1'b0)); // 5 ins 6 outs
xor6 x15i (.out(x15),.a(x203),.b(x184),.c(x145),.d(x236),.e(x164),.f(1'b0)); // 5 ins 1 outs
xor6 x14i (.out(x14),.a(x204),.b(x165),.c(x189),.d(x237),.e(1'b0),.f(1'b0)); // 4 ins 1 outs
xor6 x13i (.out(x13),.a(d23),.b(x221),.c(x179),.d(x195),.e(x171),.f(1'b0)); // 5 ins 1 outs
xor6 x12i (.out(x12),.a(x232),.b(x164),.c(x192),.d(x180),.e(1'b0),.f(1'b0)); // 4 ins 1 outs
xor6 x11i (.out(x11),.a(c5),.b(x222),.c(x143),.d(x145),.e(x172),.f(x160)); // 6 ins 1 outs
xor6 x10i (.out(x10),.a(c15),.b(x223),.c(x159),.d(x196),.e(x169),.f(1'b0)); // 5 ins 1 outs
xor6 x9i (.out(x9),.a(x205),.b(x165),.c(x238),.d(x145),.e(x168),.f(1'b0)); // 5 ins 1 outs
xor6 x8i (.out(x8),.a(x233),.b(x165),.c(x173),.d(x178),.e(x160),.f(1'b0)); // 5 ins 1 outs
xor6 x7i (.out(x7),.a(x197),.b(x141),.c(x165),.d(x226),.e(x181),.f(1'b0)); // 5 ins 1 outs
xor6 x6i (.out(x6),.a(x183),.b(x239),.c(x172),.d(x207),.e(1'b0),.f(1'b0)); // 4 ins 1 outs
xor6 x5i (.out(x5),.a(x240),.b(x187),.c(x184),.d(x161),.e(1'b0),.f(1'b0)); // 4 ins 1 outs
xor6 x4i (.out(x4),.a(x208),.b(x160),.c(x145),.d(x241),.e(x185),.f(1'b0)); // 5 ins 1 outs
xor6 x3i (.out(x3),.a(x200),.b(x177),.c(x234),.d(x160),.e(1'b0),.f(1'b0)); // 4 ins 1 outs
xor6 x2i (.out(x2),.a(x214),.b(x162),.c(x242),.d(x177),.e(x169),.f(1'b0)); // 5 ins 1 outs
xor6 x1i (.out(x1),.a(x215),.b(c1),.c(x163),.d(x166),.e(x178),.f(x145)); // 6 ins 1 outs
xor6 x0i (.out(x0),.a(x216),.b(x177),.c(x243),.d(x145),.e(x185),.f(1'b0)); // 5 ins 1 outs
xor6 x31i (.out(x31),.a(x217),.b(x145),.c(x244),.d(x190),.e(x173),.f(1'b0)); // 5 ins 1 outs
xor6 x30i (.out(x30),.a(x218),.b(x162),.c(x245),.d(x165),.e(x188),.f(1'b0)); // 5 ins 1 outs
xor6 x29i (.out(x29),.a(x209),.b(x246),.c(x161),.d(x179),.e(1'b0),.f(1'b0)); // 4 ins 1 outs
xor6 x28i (.out(x28),.a(x210),.b(x170),.c(x247),.d(x162),.e(1'b0),.f(1'b0)); // 4 ins 1 outs
xor6 x27i (.out(x27),.a(x227),.b(x165),.c(x162),.d(x187),.e(x156),.f(1'b0)); // 5 ins 1 outs
xor6 x26i (.out(x26),.a(x211),.b(x179),.c(x190),.d(x248),.e(x161),.f(1'b0)); // 5 ins 1 outs
xor6 x25i (.out(x25),.a(x249),.b(x177),.c(x161),.d(x160),.e(1'b0),.f(1'b0)); // 4 ins 1 outs
xor6 x24i (.out(x24),.a(x191),.b(c19),.c(d37),.d(x153),.e(x171),.f(x220)); // 6 ins 1 outs
xor6 x23i (.out(x23),.a(d46),.b(x196),.c(x228),.d(x176),.e(x192),.f(1'b0)); // 5 ins 1 outs
xor6 x22i (.out(x22),.a(x212),.b(x177),.c(x250),.d(x145),.e(x188),.f(1'b0)); // 5 ins 1 outs
xor6 x21i (.out(x21),.a(x198),.b(d16),.c(x180),.d(x229),.e(x168),.f(1'b0)); // 5 ins 1 outs
xor6 x20i (.out(x20),.a(x230),.b(x157),.c(x196),.d(x170),.e(x189),.f(x181)); // 6 ins 1 outs
xor6 x19i (.out(x19),.a(x224),.b(x251),.c(x160),.d(x169),.e(x190),.f(x176)); // 6 ins 1 outs
xor6 x18i (.out(x18),.a(x231),.b(d21),.c(x169),.d(x184),.e(x173),.f(1'b0)); // 5 ins 1 outs
xor6 x17i (.out(x17),.a(x194),.b(c14),.c(x150),.d(x225),.e(1'b0),.f(1'b0)); // 4 ins 1 outs
xor6 x16i (.out(x16),.a(x189),.b(x202),.c(x145),.d(x164),.e(x235),.f(1'b0)); // 5 ins 1 outs
endmodule
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