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basic_verilog/Advanced Synthesis Cookbook/crc/crc32_dat64.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 64 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 DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD
// 00000000001111111111222222222233 0000000000111111111122222222223333333333444444444455555555556666
// 01234567890123456789012345678901 0123456789012345678901234567890123456789012345678901234567890123
//
// C00 = X.X..X......XX.XX.X..XXX..X.XX.X X.....X..XX.X...X.......XXX.XXXXX.X..X......XX.XX.X..XXX..X.XX.X
// C01 = .XXX.XX.....X.XX.XXX.X..X.XXX.XX XX....XX.X.XXX..XX......X..XX....XXX.XX.....X.XX.XXX.X..X.XXX.XX
// C02 = X..XXXXX....X......XXX.X.XXX.... XXX...XXXX...XX.XXX.....X.X...XXX..XXXXX....X......XXX.X.XXX....
// C03 = XX..XXXXX....X......XXX.X.XXX... .XXX...XXXX...XX.XXX.....X.X...XXX..XXXXX....X......XXX.X.XXX...
// C04 = .X....XXXX..XXXXX.X......XXX...X X.XXX.X.X..XX..X..XXX...XX...XXX.X....XXXX..XXXXX.X......XXX...X
// C05 = .....X.XXXX.X.X..XXX.XXX...X.X.X XX.XXXXX..X..X.....XXX..X...XX.......X.XXXX.X.X..XXX.XXX...X.X.X
// C06 = ......X.XXXX.X.X..XXX.XXX...X.X. .XX.XXXXX..X..X.....XXX..X...XX.......X.XXXX.X.X..XXX.XXX...X.X.
// C07 = X.X..X.X.XXX.XXX..XXX.X.XXX.X... X.XX.X.XX.X....XX....XXXXX..XX..X.X..X.X.XXX.XXX..XXX.X.XXX.X...
// C08 = XXXX.XX.X.XX.XX...XXX.X..X.XX..X XX.XX...X.XXX....X....XX....X..XXXXX.XX.X.XX.XX...XXX.X..X.XX..X
// C09 = XXXXX.XX.X.XX.XX...XXX.X..X.XX.. .XX.XX...X.XXX....X....XX....X..XXXXX.XX.X.XX.XX...XXX.X..X.XX..
// C10 = XX.XX..XX.X.......X.X..XX.XXX.XX X.XX.X...X...XX.X..X......X.XX.XXX.XX..XX.X.......X.X..XX.XXX.XX
// C11 = .X..X...XX.XXX.XX.XX..XXXXXX.... XX.XX....X..X.XXXX..X...XXXXX..X.X..X...XX.XXX.XX.XX..XXXXXX....
// C12 = .........XX...XX.XXXXXX.XX.X.X.X XXX.XXX..X..XX.X.XX..X..X..X..XX.........XX...XX.XXXXXX.XX.X.X.X
// C13 = X.........XX...XX.XXXXXX.XX.X.X. .XXX.XXX..X..XX.X.XX..X..X..X..XX.........XX...XX.XXXXXX.XX.X.X.
// C14 = XX.........XX...XX.XXXXXX.XX.X.X ..XXX.XXX..X..XX.X.XX..X..X..X..XX.........XX...XX.XXXXXX.XX.X.X
// C15 = .XX.........XX...XX.XXXXXX.XX.X. ...XXX.XXX..X..XX.X.XX..X..X..X..XX.........XX...XX.XXXXXX.XX.X.
// C16 = X..X.X......X.XXX..X....XX...... X...XX..X...XX...X.X.XX.X.X..XX.X..X.X......X.XXX..X....XX......
// C17 = .X..X.X......X.XXX..X....XX..... .X...XX..X...XX...X.X.XX.X.X..XX.X..X.X......X.XXX..X....XX.....
// C18 = X.X..X.X......X.XXX..X....XX.... ..X...XX..X...XX...X.X.XX.X.X..XX.X..X.X......X.XXX..X....XX....
// C19 = XX.X..X.X......X.XXX..X....XX... ...X...XX..X...XX...X.X.XX.X.X..XX.X..X.X......X.XXX..X....XX...
// C20 = .XX.X..X.X......X.XXX..X....XX.. ....X...XX..X...XX...X.X.XX.X.X..XX.X..X.X......X.XXX..X....XX..
// C21 = ..XX.X..X.X......X.XXX..X....XX. .....X...XX..X...XX...X.X.XX.X.X..XX.X..X.X......X.XXX..X....XX.
// C22 = ..XXXXX..X.XXX.XX...X..X.XX.XXX. X........X.XX.X.X.XX...XX.XX.X.X..XXXXX..X.XXX.XX...X..X.XX.XXX.
// C23 = ..XXX.XX..X...XX.XX...XXX..XX.X. XX....X..X...X.XXX.XX.....XX.X.X..XXX.XX..X...XX.XX...XXX..XX.X.
// C24 = X..XXX.XX..X...XX.XX...XXX..XX.X .XX....X..X...X.XXX.XX.....XX.X.X..XXX.XX..X...XX.XX...XXX..XX.X
// C25 = .X..XXX.XX..X...XX.XX...XXX..XX. ..XX....X..X...X.XXX.XX.....XX.X.X..XXX.XX..X...XX.XX...XXX..XX.
// C26 = ......XX.XX.X..XXX..X.XX.X.XXXX. X..XX.X...X.......XXX.XXXXX.X..X......XX.XX.X..XXX..X.XX.X.XXXX.
// C27 = X......XX.XX.X..XXX..X.XX.X.XXXX .X..XX.X...X.......XXX.XXXXX.X..X......XX.XX.X..XXX..X.XX.X.XXXX
// C28 = .X......XX.XX.X..XXX..X.XX.X.XXX ..X..XX.X...X.......XXX.XXXXX.X..X......XX.XX.X..XXX..X.XX.X.XXX
// C29 = ..X......XX.XX.X..XXX..X.XX.X.XX ...X..XX.X...X.......XXX.XXXXX.X..X......XX.XX.X..XXX..X.XX.X.XX
// C30 = X..X......XX.XX.X..XXX..X.XX.X.X ....X..XX.X...X.......XXX.XXXXX.X..X......XX.XX.X..XXX..X.XX.X.X
// C31 = .X..X......XX.XX.X..XXX..X.XX.X. .....X..XX.X...X.......XXX.XXXXX.X..X......XX.XX.X..XXX..X.XX.X.
//
module crc32_dat64 (crc_in,dat_in,crc_out);
input [31:0] crc_in;
input [63:0] dat_in;
output [31:0] crc_out;
wire [31:0] crc_out;
parameter METHOD = 1;
generate
if (METHOD == 0)
crc32_dat64_flat cc (.crc_in(crc_in),.dat_in(dat_in),.crc_out(crc_out));
else
crc32_dat64_factor cc (.crc_in(crc_in),.dat_in(dat_in),.crc_out(crc_out));
endgenerate
endmodule
////////////////////////////////////////////////////////////////
// Flat version
////////////////////////////////////////////////////////////////
module crc32_dat64_flat (crc_in,dat_in,crc_out);
input [31:0] crc_in;
input [63:0] dat_in;
output [31:0] crc_out;
wire [31:0] crc_out;
wire 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;
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,d48,d49,d50,d51,d52,d53,d54,d55,d56,d57,d58,d59,d60,d61,d62,
d63;
assign { d63,d62,d61,d60,d59,d58,d57,d56,d55,d54,d53,d52,d51,d50,d49,
d48,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 [63:0];
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 x31 = c1 ^ d33 ^ d53 ^ d5 ^ c11 ^ d52 ^ d25 ^ c25 ^ d11 ^
d57 ^ c17 ^ d46 ^ d62 ^ c27 ^ c12 ^ d15 ^ d28 ^ d44 ^ d47 ^
d59 ^ c21 ^ d24 ^ d36 ^ d8 ^ d27 ^ c30 ^ c20 ^ c22 ^ d31 ^
c4 ^ c14 ^ c15 ^ d30 ^ d9 ^ d49 ^ d23 ^ d60 ^ c28 ^ d29 ^
d54 ^ d43; // 41 ins 1 outs
assign x30 = c24 ^ d23 ^ c21 ^ d61 ^ d51 ^ d59 ^ c26 ^ d27 ^ d24 ^
c0 ^ d63 ^ d28 ^ d22 ^ d14 ^ c29 ^ d58 ^ d26 ^ d35 ^ d4 ^
d52 ^ c31 ^ c20 ^ c19 ^ d7 ^ c10 ^ c13 ^ c11 ^ d46 ^ d53 ^
c27 ^ d43 ^ c14 ^ d8 ^ c16 ^ d48 ^ d30 ^ d45 ^ d29 ^ d56 ^
d32 ^ d10 ^ c3 ^ d42; // 43 ins 1 outs
assign x29 = d13 ^ d63 ^ d42 ^ c20 ^ d31 ^ d25 ^ c19 ^ d41 ^ d50 ^
c23 ^ d60 ^ d9 ^ c26 ^ d6 ^ d26 ^ c18 ^ d27 ^ d28 ^ d34 ^
d3 ^ d57 ^ c12 ^ c9 ^ c10 ^ d45 ^ d7 ^ d62 ^ d29 ^ d52 ^
c28 ^ c13 ^ d51 ^ d23 ^ d21 ^ d47 ^ c15 ^ c25 ^ d55 ^ c31 ^
c2 ^ d58 ^ d44 ^ c30 ^ d22; // 44 ins 1 outs
assign x28 = c24 ^ d12 ^ d21 ^ c29 ^ d59 ^ d62 ^ d49 ^ c22 ^ d44 ^
d41 ^ c18 ^ c27 ^ d6 ^ c19 ^ c1 ^ d24 ^ d63 ^ c25 ^ d5 ^
c30 ^ d8 ^ d2 ^ d46 ^ d50 ^ c12 ^ d40 ^ d27 ^ d56 ^ c31 ^
d30 ^ c14 ^ d54 ^ d33 ^ d51 ^ d61 ^ d25 ^ c17 ^ c8 ^ c9 ^
d28 ^ d26 ^ d22 ^ d20 ^ d57 ^ c11 ^ d43; // 46 ins 1 outs
assign x27 = c29 ^ d49 ^ c18 ^ d29 ^ c8 ^ c23 ^ c10 ^ d40 ^ d19 ^
c21 ^ d32 ^ d63 ^ d45 ^ c13 ^ d24 ^ d43 ^ c30 ^ d53 ^ d58 ^
d62 ^ d42 ^ d5 ^ d61 ^ c26 ^ d23 ^ c24 ^ c11 ^ d7 ^ c31 ^
d60 ^ d11 ^ c0 ^ c28 ^ d20 ^ d26 ^ d55 ^ d1 ^ c16 ^ c17 ^
d48 ^ d39 ^ d21 ^ d4 ^ d50 ^ d25 ^ d27 ^ d56 ^ c7; // 48 ins 1 outs
assign x26 = d47 ^ c28 ^ d0 ^ d28 ^ d31 ^ d62 ^ d57 ^ d19 ^ d42 ^
c29 ^ d3 ^ c10 ^ d39 ^ d18 ^ d23 ^ d60 ^ d24 ^ d61 ^ c17 ^
c7 ^ c22 ^ d26 ^ d48 ^ c12 ^ c23 ^ c25 ^ d25 ^ d22 ^ d41 ^
d10 ^ d49 ^ c16 ^ c9 ^ c15 ^ d44 ^ d55 ^ d4 ^ d52 ^ c20 ^
d38 ^ c27 ^ d20 ^ d54 ^ d59 ^ c6 ^ c30 ^ d6; // 47 ins 1 outs
assign x25 = d58 ^ d51 ^ c20 ^ d48 ^ d19 ^ d28 ^ d49 ^ d36 ^ d21 ^
d15 ^ d3 ^ d44 ^ d57 ^ c19 ^ c4 ^ c25 ^ c8 ^ c30 ^ d22 ^
d11 ^ c12 ^ d37 ^ d31 ^ d17 ^ c26 ^ c9 ^ d8 ^ d62 ^ d52 ^
c6 ^ d41 ^ c29 ^ d38 ^ c24 ^ d40 ^ c16 ^ d56 ^ c1 ^ d29 ^
d18 ^ d61 ^ d2 ^ d33 ^ c17 ^ c5; // 45 ins 1 outs
assign x24 = c19 ^ d10 ^ d30 ^ d60 ^ d57 ^ d7 ^ d17 ^ d28 ^ c5 ^
c11 ^ d32 ^ d14 ^ d36 ^ c23 ^ c7 ^ d61 ^ c0 ^ d50 ^ c24 ^
d63 ^ d18 ^ d55 ^ c15 ^ c18 ^ d40 ^ d37 ^ c4 ^ c3 ^ c31 ^
d2 ^ d1 ^ c16 ^ c8 ^ d43 ^ c29 ^ c28 ^ d48 ^ d21 ^ d27 ^
c25 ^ d16 ^ d56 ^ d20 ^ d39 ^ d35 ^ d51 ^ d47; // 47 ins 1 outs
assign x23 = d16 ^ d6 ^ d54 ^ d56 ^ d27 ^ d9 ^ d42 ^ d46 ^ c3 ^
d0 ^ d39 ^ d38 ^ d20 ^ d35 ^ d50 ^ d31 ^ d15 ^ c18 ^ c22 ^
d59 ^ c15 ^ d47 ^ d17 ^ c30 ^ c7 ^ d55 ^ c23 ^ c6 ^ d34 ^
d36 ^ c4 ^ d19 ^ c17 ^ d62 ^ c2 ^ d26 ^ d29 ^ c24 ^ c14 ^
d60 ^ d13 ^ c27 ^ c28 ^ c10 ^ d49 ^ d1; // 46 ins 1 outs
assign x22 = d55 ^ d44 ^ d47 ^ c4 ^ c15 ^ c28 ^ c3 ^ d41 ^ d9 ^
d52 ^ c16 ^ c30 ^ c2 ^ d38 ^ c29 ^ d57 ^ d16 ^ d62 ^ c20 ^
d37 ^ c11 ^ c6 ^ c25 ^ d58 ^ d43 ^ d60 ^ d14 ^ d23 ^ d11 ^
d26 ^ d35 ^ c26 ^ d19 ^ d18 ^ d0 ^ c9 ^ d61 ^ d29 ^ c13 ^
d36 ^ d34 ^ d27 ^ d48 ^ d45 ^ d24 ^ c12 ^ c23 ^ d12 ^ d31 ^
c5; // 50 ins 1 outs
assign x21 = d29 ^ d27 ^ c21 ^ c20 ^ d17 ^ d61 ^ d31 ^ c10 ^ d9 ^
d56 ^ d52 ^ d10 ^ d22 ^ d37 ^ d62 ^ d35 ^ c2 ^ c5 ^ d42 ^
d5 ^ d53 ^ d51 ^ d26 ^ c3 ^ c19 ^ c24 ^ c17 ^ c8 ^ d34 ^
d40 ^ d49 ^ d13 ^ c30 ^ c29 ^ d24 ^ d18; // 36 ins 1 outs
assign x20 = d28 ^ d48 ^ c29 ^ d33 ^ d21 ^ d34 ^ d16 ^ d36 ^ d23 ^
d4 ^ d30 ^ c9 ^ d52 ^ c4 ^ d41 ^ c20 ^ d51 ^ c2 ^ c1 ^
c19 ^ c16 ^ d17 ^ d60 ^ d8 ^ d12 ^ d26 ^ d50 ^ d61 ^ c28 ^
c7 ^ d25 ^ d9 ^ d39 ^ d55 ^ c18 ^ c23; // 36 ins 1 outs
assign x19 = d27 ^ d59 ^ d20 ^ c0 ^ c6 ^ c28 ^ c22 ^ d60 ^ c18 ^
d35 ^ d50 ^ c19 ^ d33 ^ d15 ^ d25 ^ d38 ^ d7 ^ c1 ^ d40 ^
c8 ^ d49 ^ d54 ^ c3 ^ c15 ^ d32 ^ c27 ^ d3 ^ d11 ^ d24 ^
d29 ^ d47 ^ d51 ^ c17 ^ d16 ^ d22 ^ d8; // 36 ins 1 outs
assign x18 = c7 ^ d39 ^ c2 ^ c21 ^ d59 ^ d19 ^ d31 ^ d50 ^ d23 ^
d24 ^ c18 ^ d58 ^ d14 ^ c0 ^ c5 ^ d2 ^ c26 ^ d10 ^ d7 ^
d48 ^ c14 ^ c27 ^ d49 ^ d15 ^ d53 ^ c17 ^ d32 ^ d46 ^ d34 ^
d28 ^ d26 ^ d21 ^ d6 ^ d37 ^ c16; // 35 ins 1 outs
assign x17 = c17 ^ c1 ^ d36 ^ d45 ^ d38 ^ d14 ^ c25 ^ d13 ^ d52 ^
c6 ^ c13 ^ d31 ^ d33 ^ c15 ^ d30 ^ d49 ^ c4 ^ d1 ^ d23 ^
d47 ^ c16 ^ d48 ^ c26 ^ d25 ^ d5 ^ d27 ^ d58 ^ d22 ^ d6 ^
d20 ^ d18 ^ d9 ^ d57 ^ c20; // 34 ins 1 outs
assign x16 = d48 ^ d24 ^ c16 ^ d0 ^ d8 ^ d32 ^ d30 ^ d26 ^ d29 ^
c12 ^ d37 ^ d51 ^ d12 ^ c15 ^ c24 ^ c5 ^ d47 ^ d44 ^ c3 ^
d57 ^ c19 ^ c0 ^ d56 ^ d13 ^ d5 ^ d35 ^ c25 ^ d4 ^ c14 ^
d22 ^ d21 ^ d17 ^ d46 ^ d19; // 34 ins 1 outs
assign x15 = d12 ^ d9 ^ d62 ^ d34 ^ c21 ^ d59 ^ d45 ^ d24 ^ c22 ^
d56 ^ c17 ^ c24 ^ c18 ^ c12 ^ d30 ^ d27 ^ d5 ^ d60 ^ d44 ^
c1 ^ d33 ^ d3 ^ d55 ^ c23 ^ d54 ^ c28 ^ d8 ^ d53 ^ c27 ^
d50 ^ d57 ^ d21 ^ d20 ^ d18 ^ c25 ^ d49 ^ d7 ^ d16 ^ c2 ^
d15 ^ d4 ^ d52 ^ c13 ^ c20 ^ c30; // 45 ins 1 outs
assign x14 = c20 ^ d14 ^ d54 ^ d52 ^ d2 ^ c29 ^ d56 ^ d26 ^ d32 ^
c26 ^ c27 ^ c19 ^ c24 ^ d17 ^ d7 ^ d20 ^ d15 ^ c11 ^ d49 ^
c31 ^ d59 ^ c12 ^ d11 ^ c1 ^ c22 ^ d55 ^ d4 ^ d63 ^ d43 ^
d8 ^ d33 ^ c17 ^ d3 ^ d53 ^ d6 ^ d61 ^ c16 ^ d19 ^ d48 ^
c21 ^ d29 ^ d51 ^ d58 ^ c0 ^ c23 ^ d44 ^ d23; // 47 ins 1 outs
assign x13 = c19 ^ c23 ^ c22 ^ d60 ^ d57 ^ d52 ^ d28 ^ d1 ^ c15 ^
d51 ^ d50 ^ d3 ^ c16 ^ d5 ^ c11 ^ c10 ^ d32 ^ d43 ^ d13 ^
d14 ^ d31 ^ d54 ^ d58 ^ d7 ^ c25 ^ c26 ^ c20 ^ d48 ^ d53 ^
d19 ^ c0 ^ c30 ^ d6 ^ d62 ^ d55 ^ d10 ^ c21 ^ d18 ^ d25 ^
c18 ^ c28 ^ d2 ^ d42 ^ d47 ^ d22 ^ d16; // 46 ins 1 outs
assign x12 = d4 ^ d59 ^ d63 ^ d9 ^ c24 ^ c25 ^ c14 ^ c20 ^ d12 ^
d51 ^ c21 ^ d50 ^ d47 ^ d41 ^ d57 ^ d5 ^ d31 ^ d24 ^ c31 ^
d52 ^ c27 ^ d0 ^ d18 ^ c22 ^ d2 ^ c18 ^ c9 ^ c15 ^ c19 ^
d17 ^ d42 ^ d46 ^ c17 ^ d13 ^ d49 ^ d1 ^ d61 ^ d27 ^ d15 ^
d56 ^ d54 ^ d30 ^ d6 ^ d21 ^ c10 ^ d53 ^ c29; // 47 ins 1 outs
assign x11 = d15 ^ d28 ^ d58 ^ c25 ^ c18 ^ c19 ^ d14 ^ d36 ^ d40 ^
d59 ^ d33 ^ c16 ^ d41 ^ d26 ^ c4 ^ c11 ^ d43 ^ d16 ^ d1 ^
d47 ^ d27 ^ d50 ^ c27 ^ c9 ^ c13 ^ c24 ^ d56 ^ d54 ^ d48 ^
d51 ^ c26 ^ d57 ^ c1 ^ c8 ^ d0 ^ d45 ^ d3 ^ d24 ^ c12 ^
d17 ^ c23 ^ d25 ^ d9 ^ d12 ^ d31 ^ c22 ^ c15 ^ d44 ^ d4 ^
d55 ^ d20; // 51 ins 1 outs
assign x10 = c1 ^ c24 ^ d3 ^ d52 ^ d35 ^ d36 ^ d55 ^ d31 ^ d16 ^
c4 ^ d26 ^ d29 ^ d32 ^ d14 ^ c8 ^ c0 ^ c10 ^ d2 ^ d42 ^
d63 ^ c23 ^ c30 ^ c7 ^ d60 ^ c26 ^ d0 ^ d28 ^ d50 ^ c31 ^
d40 ^ d19 ^ d59 ^ c18 ^ c28 ^ c20 ^ d9 ^ c27 ^ d58 ^ d5 ^
d62 ^ d33 ^ d13 ^ d56 ^ d39 ^ c3; // 45 ins 1 outs
assign x9 = d32 ^ d29 ^ c1 ^ d51 ^ c29 ^ d34 ^ d11 ^ c2 ^ d52 ^
d33 ^ c23 ^ d58 ^ c28 ^ d41 ^ d60 ^ d61 ^ d23 ^ d13 ^ d24 ^
d9 ^ c3 ^ c26 ^ c11 ^ d1 ^ d5 ^ d18 ^ d47 ^ d12 ^ c19 ^
d2 ^ c9 ^ d43 ^ c20 ^ c12 ^ c0 ^ d44 ^ d36 ^ c15 ^ d46 ^
d55 ^ c4 ^ c6 ^ c14 ^ d35 ^ c21 ^ c7 ^ d39 ^ d38 ^ d53 ^
d4; // 50 ins 1 outs
assign x8 = d10 ^ d45 ^ c13 ^ c1 ^ d51 ^ d34 ^ c0 ^ d60 ^ d37 ^
c2 ^ d33 ^ c8 ^ c5 ^ d8 ^ d57 ^ d12 ^ c31 ^ d0 ^ d54 ^
d35 ^ d32 ^ d23 ^ d17 ^ d63 ^ d50 ^ d28 ^ c10 ^ c11 ^ c18 ^
d42 ^ c19 ^ c27 ^ d59 ^ d11 ^ c25 ^ d31 ^ c6 ^ d40 ^ d1 ^
c22 ^ d4 ^ d22 ^ d52 ^ d43 ^ c20 ^ c28 ^ d3 ^ d46 ^ d38 ^
c3 ^ c14; // 51 ins 1 outs
assign x7 = d47 ^ c5 ^ d24 ^ d28 ^ d60 ^ c0 ^ d29 ^ c25 ^ c24 ^
c20 ^ c19 ^ d22 ^ d7 ^ c13 ^ d2 ^ d54 ^ d3 ^ c11 ^ d41 ^
d56 ^ d37 ^ d57 ^ d25 ^ c18 ^ c10 ^ d45 ^ d51 ^ c22 ^ d43 ^
d46 ^ d23 ^ c7 ^ c2 ^ d16 ^ c9 ^ d10 ^ d15 ^ d39 ^ d42 ^
d58 ^ d21 ^ d5 ^ c15 ^ c26 ^ d0 ^ d32 ^ d50 ^ d52 ^ d8 ^
d34 ^ c28 ^ c14; // 52 ins 1 outs
assign x6 = d11 ^ d30 ^ c18 ^ c28 ^ c9 ^ d29 ^ d41 ^ c22 ^ d14 ^
d54 ^ c6 ^ d8 ^ d7 ^ d55 ^ d21 ^ d51 ^ c13 ^ d6 ^ d50 ^
c24 ^ d60 ^ d25 ^ d52 ^ d42 ^ d40 ^ d56 ^ c15 ^ d2 ^ d5 ^
d45 ^ d1 ^ d47 ^ c23 ^ d4 ^ d20 ^ d43 ^ c11 ^ c20 ^ c19 ^
d38 ^ c30 ^ c8 ^ d62 ^ c10 ^ d22; // 45 ins 1 outs
assign x5 = d53 ^ d10 ^ d24 ^ d50 ^ c14 ^ d59 ^ c29 ^ d51 ^ d20 ^
c12 ^ c31 ^ c5 ^ d5 ^ c23 ^ d0 ^ d42 ^ d54 ^ d44 ^ c21 ^
d29 ^ d41 ^ d37 ^ d4 ^ c27 ^ c17 ^ c7 ^ c19 ^ d46 ^ d13 ^
c22 ^ d61 ^ d21 ^ d7 ^ d49 ^ d39 ^ d1 ^ c9 ^ d55 ^ c10 ^
d19 ^ d3 ^ d6 ^ c18 ^ d63 ^ d40 ^ d28 ^ c8; // 47 ins 1 outs
assign x4 = c1 ^ d11 ^ d19 ^ d33 ^ d18 ^ d50 ^ d48 ^ c26 ^ c7 ^
d29 ^ d58 ^ d39 ^ c31 ^ c8 ^ d6 ^ d46 ^ d0 ^ d4 ^ d40 ^
c15 ^ d8 ^ d2 ^ c14 ^ d3 ^ d15 ^ c18 ^ d30 ^ c6 ^ d12 ^
d25 ^ c13 ^ d31 ^ d45 ^ d59 ^ d57 ^ c9 ^ d24 ^ c25 ^ d47 ^
d41 ^ c12 ^ c16 ^ d63 ^ d44 ^ d20 ^ c27 ^ d38; // 47 ins 1 outs
assign x3 = c22 ^ d39 ^ d38 ^ c20 ^ d14 ^ d58 ^ c1 ^ d32 ^ d3 ^
d52 ^ d40 ^ d17 ^ c8 ^ d8 ^ c21 ^ d59 ^ d9 ^ c24 ^ c6 ^
d45 ^ d25 ^ d27 ^ c26 ^ d31 ^ d54 ^ d19 ^ d1 ^ d36 ^ c5 ^
d60 ^ d18 ^ d2 ^ d7 ^ c4 ^ d15 ^ d33 ^ c0 ^ c28 ^ d53 ^
c13 ^ c27 ^ d56 ^ d37 ^ c7 ^ d10; // 45 ins 1 outs
assign x2 = d0 ^ d9 ^ d24 ^ d37 ^ c27 ^ c5 ^ d58 ^ d32 ^ c12 ^
c25 ^ c23 ^ d57 ^ d17 ^ d31 ^ d35 ^ c21 ^ d13 ^ d59 ^ d1 ^
d44 ^ d26 ^ d2 ^ d18 ^ c3 ^ d30 ^ d8 ^ d55 ^ c0 ^ d51 ^
d16 ^ d52 ^ d6 ^ d39 ^ c7 ^ d7 ^ d53 ^ c6 ^ c4 ^ d36 ^
c26 ^ d38 ^ c20 ^ d14 ^ c19; // 44 ins 1 outs
assign x1 = d44 ^ d47 ^ d12 ^ d58 ^ d0 ^ c26 ^ d16 ^ c2 ^ d53 ^
d56 ^ d27 ^ d63 ^ d24 ^ d28 ^ d1 ^ d49 ^ c27 ^ d34 ^ c6 ^
d59 ^ d35 ^ d33 ^ d7 ^ d6 ^ c15 ^ d13 ^ c17 ^ d17 ^ c21 ^
c12 ^ d50 ^ d60 ^ c1 ^ d51 ^ c31 ^ c14 ^ c3 ^ d11 ^ c24 ^
c18 ^ c28 ^ d62 ^ c30 ^ d38 ^ d46 ^ c19 ^ d9 ^ c5 ^ d37; // 49 ins 1 outs
assign x0 = c0 ^ d55 ^ d44 ^ d47 ^ c5 ^ c15 ^ c22 ^ d31 ^ d12 ^
d58 ^ d37 ^ d9 ^ d28 ^ d63 ^ c16 ^ d10 ^ d25 ^ c23 ^ c12 ^
d24 ^ d45 ^ d48 ^ c28 ^ c18 ^ c31 ^ d60 ^ c21 ^ d34 ^ c13 ^
d29 ^ d26 ^ c29 ^ d30 ^ d50 ^ d32 ^ d61 ^ d0 ^ c26 ^ d16 ^
c2 ^ d53 ^ d6 ^ d54; // 43 ins 1 outs
endmodule
////////////////////////////////////////////////////////////////
// Depth optimal factored version
////////////////////////////////////////////////////////////////
module crc32_dat64_factor (crc_in,dat_in,crc_out);
input [31:0] crc_in;
input [63:0] dat_in;
output [31:0] crc_out;
wire [31:0] crc_out;
wire x767, x766, x765, x764, x763, x762, x761,
x760, x759, x758, x757, x756, x755, x754, x753,
x752, x751, x750, x749, x748, x747, x746, x745,
x744, x743, x742, x741, x740, x739, x738, x737,
x736, x735, x734, x733, x732, x731, x730, x729,
x728, x727, x726, x725, x724, x723, x722, x721,
x720, x719, x718, x717, x716, x715, x714, x713,
x712, x711, x710, x709, x708, x707, x706, x705,
x704, x703, x702, x701, x700, x699, x698, x697,
x696, x695, x694, x693, x692, x691, x690, x689,
x688, x687, x686, x685, x684, x683, x682, x681,
x680, x679, x678, x677, x676, x675, x674, x673,
x672, x671, x670, x669, x668, x667, x666, x665,
x664, x663, x662, x661, x660, x659, x658, x657,
x656, x655, x654, x653, x652, x651, x650, x649,
x648, x647, x646, x645, x644, 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;
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,d48,d49,d50,d51,d52,d53,d54,d55,d56,d57,d58,d59,d60,d61,d62,
d63;
assign { d63,d62,d61,d60,d59,d58,d57,d56,d55,d54,d53,d52,d51,d50,d49,
d48,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 [63:0];
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 x767i (.out(x767),.a(x678),.b(d60),.c(d41),.d(c22),.e(d10),.f(1'b0)); // 5 ins 1 outs
xor6 x766i (.out(x766),.a(x644),.b(x664),.c(d60),.d(d34),.e(d11),.f(1'b0)); // 5 ins 1 outs
xor6 x765i (.out(x765),.a(d45),.b(d24),.c(d19),.d(d12),.e(1'b0),.f(1'b0)); // 4 ins 1 outs
xor6 x764i (.out(x764),.a(x648),.b(x660),.c(d18),.d(d40),.e(c21),.f(1'b0)); // 5 ins 1 outs
xor6 x763i (.out(x763),.a(x659),.b(x653),.c(d5),.d(d52),.e(c14),.f(1'b0)); // 5 ins 1 outs
xor6 x762i (.out(x762),.a(c16),.b(c28),.c(x738),.d(d26),.e(x658),.f(1'b0)); // 5 ins 1 outs
xor6 x761i (.out(x761),.a(x746),.b(d13),.c(d56),.d(d42),.e(1'b0),.f(1'b0)); // 4 ins 1 outs
xor6 x760i (.out(x760),.a(c6),.b(d16),.c(d55),.d(d32),.e(1'b0),.f(1'b0)); // 4 ins 1 outs
xor6 x759i (.out(x759),.a(d17),.b(d2),.c(d13),.d(d11),.e(1'b0),.f(1'b0)); // 4 ins 1 outs
xor6 x758i (.out(x758),.a(c28),.b(x731),.c(d60),.d(d50),.e(c18),.f(1'b0)); // 5 ins 1 outs
xor6 x757i (.out(x757),.a(x649),.b(d19),.c(d20),.d(d22),.e(1'b0),.f(1'b0)); // 4 ins 1 outs
xor6 x756i (.out(x756),.a(d45),.b(c15),.c(d48),.d(d27),.e(1'b0),.f(1'b0)); // 4 ins 1 outs
xor6 x755i (.out(x755),.a(x729),.b(d0),.c(x648),.d(x666),.e(x659),.f(1'b0)); // 5 ins 1 outs
xor6 x754i (.out(x754),.a(d18),.b(d14),.c(d27),.d(d7),.e(d62),.f(1'b0)); // 5 ins 1 outs
xor6 x753i (.out(x753),.a(x645),.b(d12),.c(d3),.d(d62),.e(d38),.f(1'b0)); // 5 ins 1 outs
xor6 x752i (.out(x752),.a(d3),.b(d52),.c(d0),.d(x662),.e(x664),.f(d13)); // 6 ins 1 outs
xor6 x751i (.out(x751),.a(x700),.b(c8),.c(x668),.d(d25),.e(d37),.f(c24)); // 6 ins 1 outs
xor6 x750i (.out(x750),.a(d49),.b(c8),.c(c12),.d(d2),.e(d21),.f(1'b0)); // 5 ins 1 outs
xor6 x749i (.out(x749),.a(c31),.b(d6),.c(d21),.d(x720),.e(x666),.f(1'b0)); // 5 ins 1 outs
xor6 x748i (.out(x748),.a(d14),.b(x645),.c(d27),.d(x667),.e(d19),.f(1'b0)); // 5 ins 1 outs
xor6 x747i (.out(x747),.a(d11),.b(x652),.c(x645),.d(d12),.e(x659),.f(1'b0)); // 5 ins 1 outs
xor6 x746i (.out(x746),.a(c22),.b(c21),.c(d9),.d(d7),.e(1'b0),.f(1'b0)); // 4 ins 1 outs
xor6 x745i (.out(x745),.a(x651),.b(d44),.c(d8),.d(d47),.e(c12),.f(d22)); // 6 ins 1 outs
xor6 x744i (.out(x744),.a(d55),.b(d39),.c(x662),.d(c10),.e(d47),.f(d29)); // 6 ins 1 outs
xor6 x743i (.out(x743),.a(x658),.b(d5),.c(d14),.d(c6),.e(c9),.f(x656)); // 6 ins 1 outs
xor6 x742i (.out(x742),.a(x652),.b(d10),.c(x670),.d(d34),.e(c2),.f(c14)); // 6 ins 1 outs
xor6 x741i (.out(x741),.a(d38),.b(d0),.c(d44),.d(c12),.e(d26),.f(x649)); // 6 ins 1 outs
xor6 x740i (.out(x740),.a(x667),.b(d8),.c(d21),.d(x647),.e(x658),.f(c30)); // 6 ins 1 outs
xor6 x739i (.out(x739),.a(d3),.b(x650),.c(x672),.d(d15),.e(d46),.f(d28)); // 6 ins 1 outs
xor6 x738i (.out(x738),.a(c4),.b(d9),.c(d24),.d(d14),.e(d36),.f(1'b0)); // 5 ins 1 outs
xor6 x737i (.out(x737),.a(d50),.b(c18),.c(c17),.d(x669),.e(x691),.f(x664)); // 6 ins 1 outs
xor6 x736i (.out(x736),.a(x647),.b(d32),.c(d25),.d(x660),.e(d5),.f(c6)); // 6 ins 1 outs
xor6 x735i (.out(x735),.a(d13),.b(d42),.c(d10),.d(x710),.e(x666),.f(x668)); // 6 ins 1 outs
xor6 x734i (.out(x734),.a(x667),.b(x659),.c(d30),.d(d27),.e(x654),.f(d19)); // 6 ins 1 outs
xor6 x733i (.out(x733),.a(d33),.b(c1),.c(x664),.d(x672),.e(c9),.f(1'b0)); // 5 ins 1 outs
xor6 x732i (.out(x732),.a(d33),.b(d6),.c(d52),.d(d15),.e(x646),.f(1'b0)); // 5 ins 1 outs
xor6 x731i (.out(x731),.a(d34),.b(d52),.c(d20),.d(d62),.e(d12),.f(1'b0)); // 5 ins 1 outs
xor6 x730i (.out(x730),.a(c24),.b(x694),.c(c13),.d(x660),.e(d23),.f(1'b0)); // 5 ins 1 outs
xor6 x729i (.out(x729),.a(d38),.b(c27),.c(d59),.d(c6),.e(d49),.f(c4)); // 6 ins 1 outs
xor6 x728i (.out(x728),.a(x665),.b(d36),.c(c5),.d(x678),.e(d10),.f(c16)); // 6 ins 1 outs
xor6 x727i (.out(x727),.a(d30),.b(d7),.c(d3),.d(x651),.e(d53),.f(x650)); // 6 ins 2 outs
xor6 x726i (.out(x726),.a(x655),.b(c24),.c(d63),.d(d2),.e(x662),.f(c20)); // 6 ins 1 outs
xor6 x725i (.out(x725),.a(c16),.b(c4),.c(d53),.d(x665),.e(d2),.f(c31)); // 6 ins 1 outs
xor6 x724i (.out(x724),.a(x665),.b(c8),.c(d16),.d(d14),.e(c30),.f(1'b0)); // 5 ins 1 outs
xor6 x723i (.out(x723),.a(c23),.b(x669),.c(d25),.d(x644),.e(x680),.f(1'b0)); // 5 ins 1 outs
xor6 x722i (.out(x722),.a(d24),.b(x669),.c(c4),.d(d25),.e(x672),.f(1'b0)); // 5 ins 1 outs
xor6 x721i (.out(x721),.a(x672),.b(c21),.c(d4),.d(d53),.e(x700),.f(d20)); // 6 ins 1 outs
xor6 x720i (.out(x720),.a(d63),.b(d31),.c(d27),.d(d3),.e(d13),.f(d10)); // 6 ins 1 outs
xor6 x719i (.out(x719),.a(d6),.b(d21),.c(c2),.d(d8),.e(x644),.f(c28)); // 6 ins 1 outs
xor6 x718i (.out(x718),.a(x656),.b(x668),.c(c30),.d(c17),.e(d28),.f(d48)); // 6 ins 1 outs
xor6 x717i (.out(x717),.a(d60),.b(d52),.c(x665),.d(d53),.e(x650),.f(c6)); // 6 ins 1 outs
xor6 x716i (.out(x716),.a(x649),.b(x648),.c(x665),.d(x655),.e(d13),.f(x675)); // 6 ins 1 outs
xor6 x715i (.out(x715),.a(d59),.b(c27),.c(x667),.d(d27),.e(x662),.f(d18)); // 6 ins 1 outs
xor6 x714i (.out(x714),.a(x659),.b(d17),.c(x680),.d(d5),.e(d7),.f(x653)); // 6 ins 1 outs
xor6 x713i (.out(x713),.a(x691),.b(c23),.c(x658),.d(x653),.e(d27),.f(d42)); // 6 ins 1 outs
xor6 x712i (.out(x712),.a(x648),.b(d1),.c(c22),.d(d22),.e(d2),.f(x688)); // 6 ins 1 outs
xor6 x711i (.out(x711),.a(d32),.b(x681),.c(x692),.d(d46),.e(c9),.f(d8)); // 6 ins 1 outs
xor6 x710i (.out(x710),.a(c3),.b(d35),.c(c29),.d(d61),.e(c24),.f(d38)); // 6 ins 1 outs
xor6 x709i (.out(x709),.a(d24),.b(d8),.c(d25),.d(x654),.e(x652),.f(d60)); // 6 ins 2 outs
xor6 x708i (.out(x708),.a(x678),.b(x694),.c(d50),.d(c18),.e(d6),.f(d29)); // 6 ins 1 outs
xor6 x707i (.out(x707),.a(c10),.b(d23),.c(x660),.d(c4),.e(x694),.f(c25)); // 6 ins 1 outs
xor6 x706i (.out(x706),.a(d49),.b(c2),.c(x681),.d(d24),.e(d46),.f(d34)); // 6 ins 1 outs
xor6 x705i (.out(x705),.a(x668),.b(d15),.c(x645),.d(d33),.e(c0),.f(c1)); // 6 ins 1 outs
xor6 x704i (.out(x704),.a(x653),.b(d39),.c(x658),.d(c13),.e(c7),.f(d41)); // 6 ins 1 outs
xor6 x703i (.out(x703),.a(d15),.b(d56),.c(x650),.d(d57),.e(c25),.f(1'b0)); // 5 ins 1 outs
xor6 x702i (.out(x702),.a(c17),.b(d20),.c(x644),.d(d36),.e(c24),.f(1'b0)); // 5 ins 1 outs
xor6 x701i (.out(x701),.a(x654),.b(d37),.c(d48),.d(d17),.e(c28),.f(d28)); // 6 ins 2 outs
xor6 x700i (.out(x700),.a(d6),.b(c8),.c(d30),.d(d26),.e(d22),.f(d40)); // 6 ins 2 outs
xor6 x699i (.out(x699),.a(x652),.b(x662),.c(d16),.d(d62),.e(d54),.f(1'b0)); // 5 ins 2 outs
xor6 x698i (.out(x698),.a(d5),.b(d62),.c(x659),.d(c31),.e(c6),.f(c2)); // 6 ins 2 outs
xor6 x697i (.out(x697),.a(d26),.b(d3),.c(x650),.d(d29),.e(d31),.f(d28)); // 6 ins 2 outs
xor6 x696i (.out(x696),.a(d6),.b(x647),.c(x667),.d(d52),.e(c24),.f(c14)); // 6 ins 2 outs
xor6 x695i (.out(x695),.a(c26),.b(c4),.c(x650),.d(d8),.e(d58),.f(x655)); // 6 ins 2 outs
xor6 x694i (.out(x694),.a(c28),.b(c24),.c(c10),.d(c11),.e(d43),.f(1'b0)); // 5 ins 3 outs
xor6 x693i (.out(x693),.a(c10),.b(d12),.c(x670),.d(x656),.e(x666),.f(x646)); // 6 ins 2 outs
xor6 x692i (.out(x692),.a(c22),.b(c0),.c(d3),.d(d58),.e(c26),.f(d5)); // 6 ins 2 outs
xor6 x691i (.out(x691),.a(c5),.b(c14),.c(d37),.d(d28),.e(d21),.f(d13)); // 6 ins 2 outs
xor6 x690i (.out(x690),.a(c8),.b(d31),.c(d18),.d(c21),.e(x655),.f(d9)); // 6 ins 2 outs
xor6 x689i (.out(x689),.a(d20),.b(d23),.c(d49),.d(d4),.e(c17),.f(x645)); // 6 ins 2 outs
xor6 x688i (.out(x688),.a(d55),.b(d30),.c(d16),.d(d21),.e(d7),.f(c23)); // 6 ins 2 outs
xor6 x687i (.out(x687),.a(c16),.b(d34),.c(x650),.d(x653),.e(d23),.f(c4)); // 6 ins 3 outs
xor6 x686i (.out(x686),.a(d1),.b(x646),.c(c9),.d(d57),.e(c25),.f(1'b0)); // 5 ins 2 outs
xor6 x685i (.out(x685),.a(c20),.b(x648),.c(d29),.d(x651),.e(x678),.f(x669)); // 6 ins 2 outs
xor6 x684i (.out(x684),.a(d35),.b(c3),.c(d20),.d(x644),.e(c8),.f(1'b0)); // 5 ins 2 outs
xor6 x683i (.out(x683),.a(d0),.b(c1),.c(d33),.d(d12),.e(d28),.f(x645)); // 6 ins 3 outs
xor6 x682i (.out(x682),.a(c7),.b(c10),.c(d56),.d(d24),.e(d39),.f(x646)); // 6 ins 2 outs
xor6 x681i (.out(x681),.a(d23),.b(d15),.c(c7),.d(d39),.e(d7),.f(d10)); // 6 ins 3 outs
xor6 x680i (.out(x680),.a(c30),.b(d43),.c(d6),.d(d2),.e(c11),.f(c21)); // 6 ins 2 outs
xor6 x679i (.out(x679),.a(d3),.b(d15),.c(d29),.d(x649),.e(d44),.f(d11)); // 6 ins 2 outs
xor6 x678i (.out(x678),.a(d63),.b(c31),.c(d61),.d(c29),.e(1'b0),.f(1'b0)); // 4 ins 4 outs
xor6 x677i (.out(x677),.a(d35),.b(x649),.c(c3),.d(d14),.e(d16),.f(d36)); // 6 ins 2 outs
xor6 x676i (.out(x676),.a(d54),.b(d15),.c(d17),.d(x648),.e(d27),.f(d31)); // 6 ins 3 outs
xor6 x675i (.out(x675),.a(c13),.b(c2),.c(d45),.d(d36),.e(d4),.f(d18)); // 6 ins 2 outs
xor6 x674i (.out(x674),.a(d42),.b(x654),.c(d19),.d(d6),.e(d56),.f(d1)); // 6 ins 3 outs
xor6 x673i (.out(x673),.a(x656),.b(d48),.c(c30),.d(d6),.e(c20),.f(c10)); // 6 ins 5 outs
xor6 x672i (.out(x672),.a(d25),.b(d47),.c(d30),.d(c14),.e(d38),.f(c15)); // 6 ins 4 outs
xor6 x671i (.out(x671),.a(x656),.b(d19),.c(d4),.d(d12),.e(x653),.f(c15)); // 6 ins 5 outs
xor6 x670i (.out(x670),.a(c20),.b(d0),.c(d37),.d(d24),.e(d29),.f(c5)); // 6 ins 3 outs
xor6 x669i (.out(x669),.a(d53),.b(d14),.c(d13),.d(d19),.e(d48),.f(1'b0)); // 5 ins 4 outs
xor6 x668i (.out(x668),.a(d62),.b(d22),.c(d52),.d(c19),.e(d51),.f(d40)); // 6 ins 4 outs
xor6 x667i (.out(x667),.a(d23),.b(d25),.c(d58),.d(c26),.e(c13),.f(d45)); // 6 ins 5 outs
xor6 x666i (.out(x666),.a(d26),.b(d34),.c(c2),.d(d9),.e(d29),.f(c30)); // 6 ins 4 outs
xor6 x665i (.out(x665),.a(c4),.b(c28),.c(d32),.d(d1),.e(c0),.f(d40)); // 6 ins 5 outs
xor6 x664i (.out(x664),.a(d2),.b(d58),.c(d6),.d(d59),.e(c27),.f(c26)); // 6 ins 5 outs
xor6 x663i (.out(x663),.a(x645),.b(x647),.c(d44),.d(c12),.e(c30),.f(c21)); // 6 ins 5 outs
xor6 x662i (.out(x662),.a(d1),.b(d7),.c(d51),.d(c20),.e(c10),.f(c19)); // 6 ins 5 outs
xor6 x661i (.out(x661),.a(x648),.b(d21),.c(d30),.d(d2),.e(d57),.f(c25)); // 6 ins 5 outs
xor6 x660i (.out(x660),.a(d62),.b(d29),.c(d38),.d(d52),.e(d60),.f(d11)); // 6 ins 5 outs
xor6 x659i (.out(x659),.a(c10),.b(d46),.c(c14),.d(d13),.e(d35),.f(c3)); // 6 ins 6 outs
xor6 x658i (.out(x658),.a(d4),.b(d8),.c(d20),.d(d40),.e(c8),.f(d48)); // 6 ins 5 outs
xor6 x657i (.out(x657),.a(x644),.b(d25),.c(d45),.d(d54),.e(d41),.f(c13)); // 6 ins 5 outs
xor6 x656i (.out(x656),.a(d19),.b(c9),.c(d41),.d(d47),.e(d61),.f(c29)); // 6 ins 5 outs
xor6 x655i (.out(x655),.a(d9),.b(d38),.c(d56),.d(c5),.e(d37),.f(d17)); // 6 ins 4 outs
xor6 x654i (.out(x654),.a(c23),.b(d62),.c(c7),.d(d39),.e(d60),.f(d55)); // 6 ins 4 outs
xor6 x653i (.out(x653),.a(d0),.b(d46),.c(c31),.d(d50),.e(c18),.f(d63)); // 6 ins 6 outs
xor6 x652i (.out(x652),.a(d22),.b(d60),.c(d42),.d(d52),.e(d28),.f(d10)); // 6 ins 4 outs
xor6 x651i (.out(x651),.a(c16),.b(d26),.c(d32),.d(c21),.e(c0),.f(d7)); // 6 ins 5 outs
xor6 x650i (.out(x650),.a(d9),.b(c24),.c(c1),.d(d33),.e(c20),.f(d36)); // 6 ins 8 outs
xor6 x649i (.out(x649),.a(d31),.b(d57),.c(c25),.d(d18),.e(c6),.f(c16)); // 6 ins 6 outs
xor6 x648i (.out(x648),.a(d51),.b(d56),.c(c11),.d(c24),.e(d43),.f(c19)); // 6 ins 7 outs
xor6 x647i (.out(x647),.a(d27),.b(c17),.c(d49),.d(d5),.e(d24),.f(d53)); // 6 ins 5 outs
xor6 x646i (.out(x646),.a(d44),.b(c23),.c(c26),.d(c12),.e(d55),.f(d58)); // 6 ins 4 outs
xor6 x645i (.out(x645),.a(d59),.b(c27),.c(d54),.d(c22),.e(d8),.f(d3)); // 6 ins 7 outs
xor6 x644i (.out(x644),.a(c28),.b(d50),.c(c18),.d(d16),.e(c15),.f(d47)); // 6 ins 6 outs
xor6 x31i (.out(x31),.a(x707),.b(d31),.c(d57),.d(x739),.e(x663),.f(1'b0)); // 5 ins 1 outs
xor6 x30i (.out(x30),.a(x734),.b(d4),.c(d59),.d(c27),.e(x709),.f(x685)); // 6 ins 1 outs
xor6 x29i (.out(x29),.a(x749),.b(d23),.c(x699),.d(x686),.e(x657),.f(1'b0)); // 5 ins 1 outs
xor6 x28i (.out(x28),.a(x663),.b(x721),.c(x671),.d(x683),.e(x753),.f(x661)); // 6 ins 1 outs
xor6 x27i (.out(x27),.a(d11),.b(x708),.c(x674),.d(x651),.e(x740),.f(1'b0)); // 5 ins 1 outs
xor6 x26i (.out(x26),.a(c15),.b(c28),.c(x741),.d(x689),.e(x709),.f(x673)); // 6 ins 1 outs
xor6 x25i (.out(x25),.a(d47),.b(x718),.c(x679),.d(x750),.e(x695),.f(1'b0)); // 5 ins 1 outs
xor6 x24i (.out(x24),.a(x728),.b(x684),.c(x754),.d(x661),.e(x701),.f(1'b0)); // 5 ins 1 outs
xor6 x23i (.out(x23),.a(c22),.b(x702),.c(x755),.d(x676),.e(x674),.f(1'b0)); // 5 ins 1 outs
xor6 x22i (.out(x22),.a(c4),.b(x730),.c(x756),.d(x677),.e(x693),.f(1'b0)); // 5 ins 1 outs
xor6 x21i (.out(x21),.a(c10),.b(c20),.c(x735),.d(x647),.e(x690),.f(1'b0)); // 5 ins 1 outs
xor6 x20i (.out(x20),.a(x719),.b(x701),.c(x687),.d(x751),.e(x671),.f(1'b0)); // 5 ins 1 outs
xor6 x19i (.out(x19),.a(d53),.b(x705),.c(d7),.d(x684),.e(x736),.f(1'b0)); // 5 ins 1 outs
xor6 x18i (.out(x18),.a(d7),.b(d31),.c(x651),.d(x706),.e(x737),.f(1'b0)); // 5 ins 1 outs
xor6 x17i (.out(x17),.a(x722),.b(d1),.c(x757),.d(x650),.e(x696),.f(1'b0)); // 5 ins 1 outs
xor6 x16i (.out(x16),.a(x714),.b(x671),.c(x670),.d(x673),.e(x745),.f(x661)); // 6 ins 1 outs
xor6 x15i (.out(x15),.a(x703),.b(x663),.c(x758),.d(x675),.e(x688),.f(1'b0)); // 5 ins 1 outs
xor6 x14i (.out(x14),.a(x732),.b(c1),.c(x759),.d(x685),.e(x689),.f(1'b0)); // 5 ins 1 outs
xor6 x13i (.out(x13),.a(x723),.b(x649),.c(x760),.d(x699),.e(x692),.f(1'b0)); // 5 ins 1 outs
xor6 x12i (.out(x12),.a(x715),.b(x761),.c(x696),.d(x676),.e(x661),.f(x671)); // 6 ins 1 outs
xor6 x11i (.out(x11),.a(x762),.b(x676),.c(x686),.d(x683),.e(x657),.f(1'b0)); // 5 ins 1 outs
xor6 x10i (.out(x10),.a(x724),.b(x664),.c(x763),.d(x674),.e(x697),.f(1'b0)); // 5 ins 1 outs
xor6 x9i (.out(x9),.a(x687),.b(x725),.c(x698),.d(x671),.e(x764),.f(x682)); // 6 ins 1 outs
xor6 x8i (.out(x8),.a(x716),.b(d46),.c(c8),.d(x747),.e(x687),.f(1'b0)); // 5 ins 1 outs
xor6 x7i (.out(x7),.a(d30),.b(c10),.c(x711),.d(x661),.e(x657),.f(x742)); // 6 ins 1 outs
xor6 x6i (.out(x6),.a(x712),.b(d42),.c(x660),.d(x673),.e(x743),.f(x657)); // 6 ins 1 outs
xor6 x5i (.out(x5),.a(c7),.b(x713),.c(d10),.d(x673),.e(x663),.f(x744)); // 6 ins 1 outs
xor6 x4i (.out(x4),.a(c12),.b(x704),.c(x765),.d(x733),.e(x679),.f(1'b0)); // 5 ins 1 outs
xor6 x3i (.out(x3),.a(d2),.b(x717),.c(x681),.d(x748),.e(x690),.f(1'b0)); // 5 ins 1 outs
xor6 x2i (.out(x2),.a(x752),.b(x727),.c(x677),.d(x682),.e(x695),.f(1'b0)); // 5 ins 1 outs
xor6 x1i (.out(x1),.a(x726),.b(x663),.c(x683),.d(x766),.e(x698),.f(1'b0)); // 5 ins 1 outs
xor6 x0i (.out(x0),.a(x767),.b(x657),.c(x697),.d(x727),.e(x673),.f(x693)); // 6 ins 1 outs
endmodule
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