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[/] [pairing/] [trunk/] [rtl/] [f3m.v] - Blame information for rev 15

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Line No. Rev Author Line
1 2 homer.xing 
`include "inc.v"
2 
`define MOST 2*`M+1:2*`M
3 
 
4 3 homer.xing 
// out = (v1 & l1) | (v2 & l2) | (v3 & l3)
5 
module f3m_mux3(v1, l1, v2, l2, v3, l3, out);
6 
    input [`WIDTH:0] v1, v2, v3;
7 
    input l1, l2, l3;
8 
    output [`WIDTH:0] out;
9 
    genvar i;
10 
    generate
11 
        for(i=0;i<=`WIDTH;i=i+1)
12 
          begin : label
13 
            assign out[i] = (v1[i] & l1) | (v2[i] & l2) | (v3[i] & l3);
14 
          end
15 
    endgenerate
16 
endmodule
17 
 
18 
// out = (v0 & l0) | (v1 & l1) | (v2 & l2) | ... | (v5 & l5)
19 
module f3m_mux6(v0, v1, v2, v3, v4, v5, l0, l1, l2, l3, l4, l5, out);
20 
    input l0, l1, l2, l3, l4, l5;
21 
    input [`WIDTH:0] v0, v1, v2, v3, v4, v5;
22 
    output reg [`WIDTH:0] out;
23 
    always @ (l0,l1,l2,l3,l4,l5,v0,v1,v2,v3,v4,v5)
24 
      case ({l0,l1,l2,l3,l4,l5})
25 
        6'b100000: out = v0;
26 
        6'b010000: out = v1;
27 
        6'b001000: out = v2;
28 
        6'b000100: out = v3;
29 
        6'b000010: out = v4;
30 
        6'b000001: out = v5;
31 
        default: out = 0;
32 
      endcase
33 
endmodule
34 
 
35 2 homer.xing 
// f3m_add: C = A + B, in field F_{3^M}
36 
module f3m_add(A, B, C);
37 
    input [`WIDTH : 0] A, B;
38 
    output [`WIDTH : 0] C;
39 
    genvar i;
40 
    generate
41 
        for(i=0; i<`M; i=i+1) begin: aa
42 
            f3_add aa(A[(2*i+1) : 2*i], B[(2*i+1) : 2*i], C[(2*i+1) : 2*i]);
43 
        end
44 
    endgenerate
45 
endmodule
46 
 
47 3 homer.xing 
// f3m_add3: c == a0+a1+a2, in field GF(3^M)
48 
module f3m_add3(a0, a1, a2, c);
49 
    input [`WIDTH:0] a0,a1,a2;
50 
    output [`WIDTH:0] c;
51 
    wire [`WIDTH:0] v;
52 
    f3m_add
53 
        ins1 (a0,a1,v), // v == a0+a1
54 
        ins2 (v,a2,c);  // c == v+a2 == a0+a1+a2
55 
endmodule
56 
 
57 
// f3m_add4: c == a0+a1+a2+a3, in field GF(3^M)
58 
module f3m_add4(a0, a1, a2, a3, c);
59 
    input [`WIDTH:0] a0,a1,a2,a3;
60 
    output [`WIDTH:0] c;
61 
    wire [`WIDTH:0] v1,v2;
62 
    f3m_add
63 
        ins1 (a0,a1,v1), // v1 == a0+a1
64 
        ins2 (a2,a3,v2), // v2 == a2+a3
65 
        ins3 (v1,v2,c);  // c == v1+v2 == a0+a1+a2+a3
66 
endmodule
67 
 
68 2 homer.xing 
// f3m_neg: c == -a in GF(3^M)
69 
module f3m_neg(a, c);
70 
    input [`WIDTH:0] a;
71 
    output [`WIDTH:0] c;
72 
    genvar i;
73 
    generate
74 
        for(i=0;i<=`WIDTH;i=i+2)
75 
          begin:label
76 
            assign c[i+1:i] = {a[i],a[i+1]};
77 
          end
78 
    endgenerate
79 
endmodule
80 
 
81 
// f3m_sub: C = A - B, in field F_{3^M}
82 
module f3m_sub(A, B, C);
83 
    input [`WIDTH : 0] A, B;
84 
    output [`WIDTH : 0] C;
85 
    genvar i;
86 
    generate
87 
        for(i=0; i<`M; i=i+1) begin: aa
88 
            f3_sub aa(A[(2*i+1) : 2*i], B[(2*i+1) : 2*i], C[(2*i+1) : 2*i]);
89 
        end
90 
    endgenerate
91 
endmodule
92 
 
93 
// f3m_mult: C = A * B, in field GF(3^M)
94 
module f3m_mult(clk, reset, A, B, C, done);
95 
    input [`WIDTH : 0] A, B;
96 
    input clk;
97 
    input reset;
98 
    output reg [`WIDTH : 0] C;
99 
    output reg done;
100 
    reg [`WIDTH : 0] x, y, z;
101 11 homer.xing 
    wire [`WIDTH : 0] z1, z2, z3, z4;
102 
    reg [`M/3+1 : 0] i;
103 2 homer.xing 
    wire done1;
104 
    wire [1:0] dummy;
105 
 
106 11 homer.xing 
    func8
107 
        ins1 (x, y[5:0], z1); // z1 == A * (B[2]*x^2 + B[1]*x + B[0])
108 2 homer.xing 
    f3m_add
109 11 homer.xing 
        ins2 (z1, z, z2); // z2 == z1 + z == A * (B[2]*x^2 + B[1]*x + B[0]) + z
110 
    assign z4 = y >> 6; // z4 == y >> 6
111 
    func7
112 
        ins3 (x, z3); // z3 == X*(x^3) mod p(x)
113 8 homer.xing 
    assign done1 = i[0];
114 2 homer.xing 
 
115 
    always @ (posedge clk)
116 
        if (done1)
117 
            C <= z;
118 
 
119 
    always @ (posedge clk)
120 
        if (reset)
121 
            done <= 0;
122 
        else if (done1)
123 
            done <= 1;
124 
 
125 
    always @ (posedge clk)
126 
      begin
127 
        if (reset)
128 
          begin
129 11 homer.xing 
            x <= A; y <= B; z <= 0; i <= {1'b1,{(`M/3+1){1'b0}}};
130 2 homer.xing 
          end
131 
        else
132 
          begin
133 8 homer.xing 
            x <= z3[`WIDTH:0]; y <= z4; z <= z2; i <= i >> 1;
134 2 homer.xing 
          end
135 
      end
136 
endmodule
137 
 
138 7 homer.xing 
// c0 == a0*b0; c1 == a1*b1; c2 == a2*b2; all in GF(3^M)
139 
module f3m_mult3(clk, reset,
140 
                 a0, b0, c0,
141 
                 a1, b1, c1,
142 
                 a2, b2, c2,
143 
                 done);
144 
    input clk, reset;
145 
    input [`WIDTH:0] a0, b0, a1, b1, a2, b2;
146 
    output reg [`WIDTH:0] c0, c1, c2;
147 
    output reg done;
148 
    reg [3:0] K;
149 
    reg mult_reset, delay1, delay2;
150 
    wire e1, e2, e3, mult_done, delay3, rst;
151 
    wire [`WIDTH:0] in1, in2, o;
152 
 
153 
    assign rst = delay2;
154 
    assign {e1,e2,e3} = K[3:1];
155 
 
156 
    f3m_mux3
157 
        ins9 (a0, e1, a1, e2, a2, e3, in1),
158 
        ins10 (b0, e1, b1, e2, b2, e3, in2);
159 
    f3m_mult
160 
        ins11 (clk, mult_reset, in1, in2, o, mult_done); // o == in1 * in2 in GF(3^m)
161 
    func6
162 8 homer.xing 
        ins12 (clk, reset, mult_done, delay3);
163 7 homer.xing 
 
164 
    always @ (posedge clk)
165 
      begin
166 
        if (e1) c0 <= o;
167 
        if (e2) c1 <= o;
168 
        if (e3) c2 <= o;
169 
      end
170 
 
171 
    always @ (posedge clk)
172 
        if (reset) K <= 4'b1000;
173 8 homer.xing 
        else if (delay3 | K[0]) K <= {1'b0,K[3:1]};
174 7 homer.xing 
 
175 
    always @ (posedge clk)
176 
      begin
177 
        if (rst) mult_reset <= 1;
178 
        else if (mult_done) mult_reset <= 1;
179 
        else mult_reset <= 0;
180 
      end
181 
 
182 
    always @ (posedge clk)
183 
        if (reset)     done <= 0;
184 
        else if (K[0]) done <= 1;
185 
 
186 
    always @ (posedge clk)
187 
      begin
188 
        delay2 <= delay1; delay1 <= reset;
189 
      end
190 
endmodule
191 
 
192 2 homer.xing 
/* out == in^3 mod p(x) */
193 
/* p(x) == x^97 + x^12 + 2 */
194 
module f3m_cubic(input [193:0] in, output [193:0] out);
195 
wire [1:0] w0; f3_add a0(in[131:130], in[139:138], w0);
196 
wire [1:0] w1; f3_add a1(in[133:132], in[141:140], w1);
197 
wire [1:0] w2; f3_add a2(in[135:134], in[143:142], w2);
198 
wire [1:0] w3; f3_add a3(in[137:136], in[145:144], w3);
199 
wire [1:0] w4; f3_add a4(in[147:146], in[155:154], w4);
200 
wire [1:0] w5; f3_add a5(in[149:148], in[157:156], w5);
201 
wire [1:0] w6; f3_add a6(in[151:150], in[159:158], w6);
202 
wire [1:0] w7; f3_add a7(in[153:152], in[161:160], w7);
203 
wire [1:0] w8; f3_add a8(in[163:162], in[171:170], w8);
204 
wire [1:0] w9; f3_add a9(in[165:164], in[173:172], w9);
205 
wire [1:0] w10; f3_add a10(in[167:166], in[175:174], w10);
206 
wire [1:0] w11; f3_add a11(in[169:168], in[177:176], w11);
207 
wire [1:0] w12; f3_add a12(in[179:178], in[187:186], w12);
208 
wire [1:0] w13; f3_add a13(in[181:180], in[189:188], w13);
209 
wire [1:0] w14; f3_add a14(in[183:182], in[191:190], w14);
210 
wire [1:0] w15; f3_add a15(in[185:184], in[193:192], w15);
211 
wire [1:0] w16;
212 
f3_add a16(in[1:0], w12, w16);
213 
assign out[1:0] = w16;
214 
wire [1:0] w17;
215 
f3_add a17({in[122],in[123]}, in[131:130], w17);
216 
assign out[3:2] = w17;
217 
assign out[5:4] = in[67:66];
218 
wire [1:0] w18;
219 
f3_add a18(in[3:2], w13, w18);
220 
assign out[7:6] = w18;
221 
wire [1:0] w19;
222 
f3_add a19({in[124],in[125]}, in[133:132], w19);
223 
assign out[9:8] = w19;
224 
assign out[11:10] = in[69:68];
225 
wire [1:0] w20;
226 
f3_add a20(in[5:4], w14, w20);
227 
assign out[13:12] = w20;
228 
wire [1:0] w21;
229 
f3_add a21({in[126],in[127]}, in[135:134], w21);
230 
assign out[15:14] = w21;
231 
assign out[17:16] = in[71:70];
232 
wire [1:0] w22;
233 
f3_add a22(in[7:6], w15, w22);
234 
assign out[19:18] = w22;
235 
wire [1:0] w23;
236 
f3_add a23({in[128],in[129]}, in[137:136], w23);
237 
assign out[21:20] = w23;
238 
assign out[23:22] = in[73:72];
239 
wire [1:0] w24;
240 
f3_add a24(in[9:8], {in[178],in[179]}, w24);
241 
assign out[25:24] = w24;
242 
wire [1:0] w25;
243 
f3_add a25(in[123:122], w0, w25);
244 
assign out[27:26] = w25;
245 
wire [1:0] w26;
246 
f3_add a26({in[66],in[67]}, in[75:74], w26);
247 
assign out[29:28] = w26;
248 
wire [1:0] w27;
249 
f3_add a27(in[11:10], {in[180],in[181]}, w27);
250 
assign out[31:30] = w27;
251 
wire [1:0] w28;
252 
f3_add a28(in[125:124], w1, w28);
253 
assign out[33:32] = w28;
254 
wire [1:0] w29;
255 
f3_add a29({in[68],in[69]}, in[77:76], w29);
256 
assign out[35:34] = w29;
257 
wire [1:0] w30;
258 
f3_add a30(in[13:12], {in[182],in[183]}, w30);
259 
assign out[37:36] = w30;
260 
wire [1:0] w31;
261 
f3_add a31(in[127:126], w2, w31);
262 
assign out[39:38] = w31;
263 
wire [1:0] w32;
264 
f3_add a32({in[70],in[71]}, in[79:78], w32);
265 
assign out[41:40] = w32;
266 
wire [1:0] w33;
267 
f3_add a33(in[15:14], {in[184],in[185]}, w33);
268 
assign out[43:42] = w33;
269 
wire [1:0] w34;
270 
f3_add a34(in[129:128], w3, w34);
271 
assign out[45:44] = w34;
272 
wire [1:0] w35;
273 
f3_add a35({in[72],in[73]}, in[81:80], w35);
274 
assign out[47:46] = w35;
275 
wire [1:0] w36;
276 
f3_add a36(in[17:16], {in[186],in[187]}, w36);
277 
assign out[49:48] = w36;
278 
wire [1:0] w37;
279 
f3_add a37(in[147:146], w0, w37);
280 
assign out[51:50] = w37;
281 
wire [1:0] w38;
282 
f3_add a38({in[74],in[75]}, in[83:82], w38);
283 
assign out[53:52] = w38;
284 
wire [1:0] w39;
285 
f3_add a39(in[19:18], {in[188],in[189]}, w39);
286 
assign out[55:54] = w39;
287 
wire [1:0] w40;
288 
f3_add a40(in[149:148], w1, w40);
289 
assign out[57:56] = w40;
290 
wire [1:0] w41;
291 
f3_add a41({in[76],in[77]}, in[85:84], w41);
292 
assign out[59:58] = w41;
293 
wire [1:0] w42;
294 
f3_add a42(in[21:20], {in[190],in[191]}, w42);
295 
assign out[61:60] = w42;
296 
wire [1:0] w43;
297 
f3_add a43(in[151:150], w2, w43);
298 
assign out[63:62] = w43;
299 
wire [1:0] w44;
300 
f3_add a44({in[78],in[79]}, in[87:86], w44);
301 
assign out[65:64] = w44;
302 
wire [1:0] w45;
303 
f3_add a45(in[23:22], {in[192],in[193]}, w45);
304 
assign out[67:66] = w45;
305 
wire [1:0] w46;
306 
f3_add a46(in[153:152], w3, w46);
307 
assign out[69:68] = w46;
308 
wire [1:0] w47;
309 
f3_add a47({in[80],in[81]}, in[89:88], w47);
310 
assign out[71:70] = w47;
311 
assign out[73:72] = in[25:24];
312 
wire [1:0] w48;
313 
f3_add a48(in[139:138], w4, w48);
314 
assign out[75:74] = w48;
315 
wire [1:0] w49;
316 
f3_add a49({in[82],in[83]}, in[91:90], w49);
317 
assign out[77:76] = w49;
318 
assign out[79:78] = in[27:26];
319 
wire [1:0] w50;
320 
f3_add a50(in[141:140], w5, w50);
321 
assign out[81:80] = w50;
322 
wire [1:0] w51;
323 
f3_add a51({in[84],in[85]}, in[93:92], w51);
324 
assign out[83:82] = w51;
325 
assign out[85:84] = in[29:28];
326 
wire [1:0] w52;
327 
f3_add a52(in[143:142], w6, w52);
328 
assign out[87:86] = w52;
329 
wire [1:0] w53;
330 
f3_add a53({in[86],in[87]}, in[95:94], w53);
331 
assign out[89:88] = w53;
332 
assign out[91:90] = in[31:30];
333 
wire [1:0] w54;
334 
f3_add a54(in[145:144], w7, w54);
335 
assign out[93:92] = w54;
336 
wire [1:0] w55;
337 
f3_add a55({in[88],in[89]}, in[97:96], w55);
338 
assign out[95:94] = w55;
339 
assign out[97:96] = in[33:32];
340 
wire [1:0] w56;
341 
f3_add a56(in[163:162], w4, w56);
342 
assign out[99:98] = w56;
343 
wire [1:0] w57;
344 
f3_add a57({in[90],in[91]}, in[99:98], w57);
345 
assign out[101:100] = w57;
346 
assign out[103:102] = in[35:34];
347 
wire [1:0] w58;
348 
f3_add a58(in[165:164], w5, w58);
349 
assign out[105:104] = w58;
350 
wire [1:0] w59;
351 
f3_add a59({in[92],in[93]}, in[101:100], w59);
352 
assign out[107:106] = w59;
353 
assign out[109:108] = in[37:36];
354 
wire [1:0] w60;
355 
f3_add a60(in[167:166], w6, w60);
356 
assign out[111:110] = w60;
357 
wire [1:0] w61;
358 
f3_add a61({in[94],in[95]}, in[103:102], w61);
359 
assign out[113:112] = w61;
360 
assign out[115:114] = in[39:38];
361 
wire [1:0] w62;
362 
f3_add a62(in[169:168], w7, w62);
363 
assign out[117:116] = w62;
364 
wire [1:0] w63;
365 
f3_add a63({in[96],in[97]}, in[105:104], w63);
366 
assign out[119:118] = w63;
367 
assign out[121:120] = in[41:40];
368 
wire [1:0] w64;
369 
f3_add a64(in[155:154], w8, w64);
370 
assign out[123:122] = w64;
371 
wire [1:0] w65;
372 
f3_add a65({in[98],in[99]}, in[107:106], w65);
373 
assign out[125:124] = w65;
374 
assign out[127:126] = in[43:42];
375 
wire [1:0] w66;
376 
f3_add a66(in[157:156], w9, w66);
377 
assign out[129:128] = w66;
378 
wire [1:0] w67;
379 
f3_add a67({in[100],in[101]}, in[109:108], w67);
380 
assign out[131:130] = w67;
381 
assign out[133:132] = in[45:44];
382 
wire [1:0] w68;
383 
f3_add a68(in[159:158], w10, w68);
384 
assign out[135:134] = w68;
385 
wire [1:0] w69;
386 
f3_add a69({in[102],in[103]}, in[111:110], w69);
387 
assign out[137:136] = w69;
388 
assign out[139:138] = in[47:46];
389 
wire [1:0] w70;
390 
f3_add a70(in[161:160], w11, w70);
391 
assign out[141:140] = w70;
392 
wire [1:0] w71;
393 
f3_add a71({in[104],in[105]}, in[113:112], w71);
394 
assign out[143:142] = w71;
395 
assign out[145:144] = in[49:48];
396 
wire [1:0] w72;
397 
f3_add a72(in[179:178], w8, w72);
398 
assign out[147:146] = w72;
399 
wire [1:0] w73;
400 
f3_add a73({in[106],in[107]}, in[115:114], w73);
401 
assign out[149:148] = w73;
402 
assign out[151:150] = in[51:50];
403 
wire [1:0] w74;
404 
f3_add a74(in[181:180], w9, w74);
405 
assign out[153:152] = w74;
406 
wire [1:0] w75;
407 
f3_add a75({in[108],in[109]}, in[117:116], w75);
408 
assign out[155:154] = w75;
409 
assign out[157:156] = in[53:52];
410 
wire [1:0] w76;
411 
f3_add a76(in[183:182], w10, w76);
412 
assign out[159:158] = w76;
413 
wire [1:0] w77;
414 
f3_add a77({in[110],in[111]}, in[119:118], w77);
415 
assign out[161:160] = w77;
416 
assign out[163:162] = in[55:54];
417 
wire [1:0] w78;
418 
f3_add a78(in[185:184], w11, w78);
419 
assign out[165:164] = w78;
420 
wire [1:0] w79;
421 
f3_add a79({in[112],in[113]}, in[121:120], w79);
422 
assign out[167:166] = w79;
423 
assign out[169:168] = in[57:56];
424 
wire [1:0] w80;
425 
f3_add a80(in[171:170], w12, w80);
426 
assign out[171:170] = w80;
427 
wire [1:0] w81;
428 
f3_add a81({in[114],in[115]}, in[123:122], w81);
429 
assign out[173:172] = w81;
430 
assign out[175:174] = in[59:58];
431 
wire [1:0] w82;
432 
f3_add a82(in[173:172], w13, w82);
433 
assign out[177:176] = w82;
434 
wire [1:0] w83;
435 
f3_add a83({in[116],in[117]}, in[125:124], w83);
436 
assign out[179:178] = w83;
437 
assign out[181:180] = in[61:60];
438 
wire [1:0] w84;
439 
f3_add a84(in[175:174], w14, w84);
440 
assign out[183:182] = w84;
441 
wire [1:0] w85;
442 
f3_add a85({in[118],in[119]}, in[127:126], w85);
443 
assign out[185:184] = w85;
444 
assign out[187:186] = in[63:62];
445 
wire [1:0] w86;
446 
f3_add a86(in[177:176], w15, w86);
447 
assign out[189:188] = w86;
448 
wire [1:0] w87;
449 
f3_add a87({in[120],in[121]}, in[129:128], w87);
450 
assign out[191:190] = w87;
451 
assign out[193:192] = in[65:64];
452 
endmodule
453 
 
454 
/* nine square in GF(3^m), out = in^9 mod p(x) */
455 
/* p(x) == x^97 + x^12 + 2 */
456 
module f3m_nine(clk, in, out);
457 
    input clk;
458 
    input [`WIDTH:0] in;
459 
    output reg [`WIDTH:0] out;
460 
    wire [`WIDTH:0] a,b;
461 
    f3m_cubic
462 
        ins1 (in, a), // a == in^3
463 
        ins2 (a, b);  // b == a^3 == in^9
464 
    always @ (posedge clk)
465 
        out <= b;
466 
endmodule
467 
 
468 
// inversion in GF(3^m). C = A^(-1)
469 7 homer.xing 
module f3m_inv(clk, reset, A, C, done);
470 2 homer.xing 
        input [`WIDTH:0] A;
471 
        input clk;
472 
        input reset;
473 
        output reg [`WIDTH:0] C;
474 7 homer.xing 
    output reg done;
475 2 homer.xing 
 
476 8 homer.xing 
        reg [`WIDTH+2:0] S, R, U, V, d;
477 
        reg [2*`M:0] i;
478 2 homer.xing 
        wire [1:0] q;
479 
        wire [`WIDTH+2:0] S1, S2,
480 
                          R1,
481 
                          U1, U2, U3,
482 
                          V1, V2,
483 8 homer.xing 
                          d1, d2;
484 7 homer.xing 
        wire don;
485 2 homer.xing 
 
486 
        assign d1 = {d[`WIDTH+1:0], 1'b1}; // d1 == d+1
487 
        assign d2 = {1'b0, d[`WIDTH+2:1]}; // d2 == d-1
488 8 homer.xing 
        assign don = i[0];
489 2 homer.xing 
 
490 
        f3_mult
491 
            q1(S[`MOST], R[`MOST], q); // q = s_m / r_m
492 
        func1
493 
            ins1(S, R, q, S1), // S1 = S - q*R
494 
            ins2(V, U, q, V1); // V1 = V - q*U
495 
        func2
496 
            ins3(S1, S2), // S2 = x*S1 = x*(S-q*R)
497 
            ins4(R, R1); // R1 = x*R
498 
        func3
499 
            ins5(U, U1), // U1 = x*U mod p
500 
            ins6(V1, V2); // V2 = x*V1 mod p = x*(V-qU) mod p
501 
    func4
502 
        ins7(U, R[`MOST], U2); // U2 = U/r_m
503 
    func5
504 
        ins8(U, U3); // U3 = (U/x) mod p
505 
 
506 8 homer.xing 
        always @ (posedge clk)
507 
        if (reset)
508 
            done <= 0;
509 
            else if (don)
510 
          begin
511 
                done <= 1; C <= U2[`WIDTH:0];
512 
          end
513 
 
514 2 homer.xing 
    always @ (posedge clk)
515 
        if (reset)
516 8 homer.xing 
            i <= {1'b1, {(2*`M){1'b0}}};
517 2 homer.xing 
        else
518 8 homer.xing 
            i <= i >> 1;
519 2 homer.xing 
 
520 
    always @ (posedge clk)
521 
        if (reset)
522 
          begin
523 
            S<=`PX; R<=A; U<=1; V<=0; d<=0;
524 
          end
525 
        else if (R[`MOST] == 2'b0)
526 
          begin
527 
            R<=R1; U<=U1; d<=d1;
528 
          end
529 
        else if (d[0] == 1'b0) // d == 0
530 
          begin
531 
            R<=S2; S<=R; U<=V2; V<=U; d<=d1;
532 
          end
533 
        else // d != 0
534 
          begin
535 
            S<=S2; V<=V1; U<=U3; d<=d2;
536 
          end
537 
endmodule
538 
 
539 3 homer.xing 
// put func1~5 here for breaking circular dependency in "f3m", "fun"
540 
 
541 
// out = S - q*R
542 
module func1(S, R, q, out);
543 
    input [`WIDTH+2:0] S, R;
544 
    input [1:0] q;
545 
    output [`WIDTH+2:0] out;
546 
    wire [`WIDTH+2:0] t;
547 
    func4 f(R, q, t); // t == q*R
548 
    genvar i;
549 
    generate for(i=0; i<=`WIDTH+2; i=i+2) begin: label
550 
        f3_sub s1(S[i+1:i], t[i+1:i], out[i+1:i]); // out == S - t
551 
    end endgenerate
552 
endmodule
553 
 
554 
// out = x*A
555 
module func2(A, out);
556 
    input [`WIDTH+2:0] A;
557 
    output [`WIDTH+2:0] out;
558 
    assign out = {A[`WIDTH:0], 2'd0};
559 
endmodule
560 
 
561 
// C = (x*B mod p(x))
562 
module func3(B, C);
563 
    input [`WIDTH+2:0] B;
564 
    output [`WIDTH+2:0] C;
565 
    wire [`WIDTH+2:0] A;
566 
    assign A = {B[`WIDTH:0], 2'd0}; // A == B*x
567 
    wire [1:0] w0;
568 
    f3_mult m0 (A[195:194], 2'd2, w0);
569 
    f3_sub s0 (A[1:0], w0, C[1:0]);
570 
    assign C[23:2] = A[23:2];
571 
    wire [1:0] w12;
572 
    f3_mult m12 (A[195:194], 2'd1, w12);
573 
    f3_sub s12 (A[25:24], w12, C[25:24]);
574 
    assign C[193:26] = A[193:26];
575 
    assign C[195:194] = 0;
576 
endmodule
577 
 
578 
// C = a * A; A,C \in GF(3^m); a \in GF(3)
579 
module func4(A, aa, C);
580 
    input [`WIDTH+2:0] A;
581 
    input [1:0] aa;
582 
    output [`WIDTH+2:0] C;
583 
    genvar i;
584 
    generate
585 
      for(i=0; i<=`WIDTH+2; i=i+2)
586 
      begin: label
587 
        f3_mult m(A[i+1:i], aa, C[i+1:i]);
588 
      end
589 
    endgenerate
590 
endmodule
591 
 
592 
// C = (A/x) mod p, \in GF(3^m)
593 
module func5(A, C);
594 
    input [`WIDTH+2:0] A;
595 
    output [`WIDTH+2:0] C;
596 
    assign C[195:194] = 0;
597 
    assign C[193:192] = A[1:0];
598 
    assign C[191:24] = A[193:26];
599 
    f3_add a11 (A[25:24], A[1:0], C[23:22]);
600 
    assign C[21:0] = A[23:2];
601 
endmodule
602 11 homer.xing 
 
603 
/* $C=A*(x^3) mod p(x)$ */
604 
/* p(x) == x^97 + x^12 + 2 */
605 
module func7(input [193:0] in, output [193:0] out);
606 
    assign out[5:0] = in[193:188];
607 
    assign out[23:6] = in[17:0];
608 
    wire [1:0] w0;
609 
    f3_add a0(in[19:18], {in[188],in[189]}, w0);
610 
    assign out[25:24] = w0;
611 
    wire [1:0] w1;
612 
    f3_add a1(in[21:20], {in[190],in[191]}, w1);
613 
    assign out[27:26] = w1;
614 
    wire [1:0] w2;
615 
    f3_add a2(in[23:22], {in[192],in[193]}, w2);
616 
    assign out[29:28] = w2;
617 
    assign out[193:30] = in[187:24];
618 
endmodule
619 
 
620 
/* c = (b_2 x^2 + b_1 x + b_0)*A mod p(x) */
621 
module func8 (a, b, c);
622 
input [193:0] a;
623 
input [5:0] b;
624 
output [193:0] c;
625 
wire [1:0] w1; f3_mult m2 (a[1:0], b[1:0], w1);
626 
wire [1:0] w3; f3_mult m4 (a[191:190], b[5:4], w3);
627 
wire [1:0] w5; f3_mult m6 (a[193:192], b[3:2], w5);
628 
wire [1:0] w7; f3_add a8 (w1, w3, w7);
629 
wire [1:0] w9; f3_add a10 (w7, w5, w9);
630 
assign c[1:0] = w9;
631 
wire [1:0] w11; f3_mult m12 (a[1:0], b[3:2], w11);
632 
wire [1:0] w13; f3_mult m14 (a[193:192], b[5:4], w13);
633 
wire [1:0] w15; f3_mult m16 (a[3:2], b[1:0], w15);
634 
wire [1:0] w17; f3_add a18 (w11, w13, w17);
635 
wire [1:0] w19; f3_add a20 (w17, w15, w19);
636 
assign c[3:2] = w19;
637 
wire [1:0] w21; f3_mult m22 (a[5:4], b[1:0], w21);
638 
wire [1:0] w23; f3_mult m24 (a[1:0], b[5:4], w23);
639 
wire [1:0] w25; f3_mult m26 (a[3:2], b[3:2], w25);
640 
wire [1:0] w27; f3_add a28 (w21, w23, w27);
641 
wire [1:0] w29; f3_add a30 (w27, w25, w29);
642 
assign c[5:4] = w29;
643 
wire [1:0] w31; f3_mult m32 (a[7:6], b[1:0], w31);
644 
wire [1:0] w33; f3_mult m34 (a[3:2], b[5:4], w33);
645 
wire [1:0] w35; f3_mult m36 (a[5:4], b[3:2], w35);
646 
wire [1:0] w37; f3_add a38 (w31, w33, w37);
647 
wire [1:0] w39; f3_add a40 (w37, w35, w39);
648 
assign c[7:6] = w39;
649 
wire [1:0] w41; f3_mult m42 (a[7:6], b[3:2], w41);
650 
wire [1:0] w43; f3_mult m44 (a[9:8], b[1:0], w43);
651 
wire [1:0] w45; f3_mult m46 (a[5:4], b[5:4], w45);
652 
wire [1:0] w47; f3_add a48 (w41, w43, w47);
653 
wire [1:0] w49; f3_add a50 (w47, w45, w49);
654 
assign c[9:8] = w49;
655 
wire [1:0] w51; f3_mult m52 (a[11:10], b[1:0], w51);
656 
wire [1:0] w53; f3_mult m54 (a[7:6], b[5:4], w53);
657 
wire [1:0] w55; f3_mult m56 (a[9:8], b[3:2], w55);
658 
wire [1:0] w57; f3_add a58 (w51, w53, w57);
659 
wire [1:0] w59; f3_add a60 (w57, w55, w59);
660 
assign c[11:10] = w59;
661 
wire [1:0] w61; f3_mult m62 (a[13:12], b[1:0], w61);
662 
wire [1:0] w63; f3_mult m64 (a[11:10], b[3:2], w63);
663 
wire [1:0] w65; f3_mult m66 (a[9:8], b[5:4], w65);
664 
wire [1:0] w67; f3_add a68 (w61, w63, w67);
665 
wire [1:0] w69; f3_add a70 (w67, w65, w69);
666 
assign c[13:12] = w69;
667 
wire [1:0] w71; f3_mult m72 (a[13:12], b[3:2], w71);
668 
wire [1:0] w73; f3_mult m74 (a[15:14], b[1:0], w73);
669 
wire [1:0] w75; f3_mult m76 (a[11:10], b[5:4], w75);
670 
wire [1:0] w77; f3_add a78 (w71, w73, w77);
671 
wire [1:0] w79; f3_add a80 (w77, w75, w79);
672 
assign c[15:14] = w79;
673 
wire [1:0] w81; f3_mult m82 (a[13:12], b[5:4], w81);
674 
wire [1:0] w83; f3_mult m84 (a[15:14], b[3:2], w83);
675 
wire [1:0] w85; f3_mult m86 (a[17:16], b[1:0], w85);
676 
wire [1:0] w87; f3_add a88 (w81, w83, w87);
677 
wire [1:0] w89; f3_add a90 (w87, w85, w89);
678 
assign c[17:16] = w89;
679 
wire [1:0] w91; f3_mult m92 (a[15:14], b[5:4], w91);
680 
wire [1:0] w93; f3_mult m94 (a[19:18], b[1:0], w93);
681 
wire [1:0] w95; f3_mult m96 (a[17:16], b[3:2], w95);
682 
wire [1:0] w97; f3_add a98 (w91, w93, w97);
683 
wire [1:0] w99; f3_add a100 (w97, w95, w99);
684 
assign c[19:18] = w99;
685 
wire [1:0] w101; f3_mult m102 (a[21:20], b[1:0], w101);
686 
wire [1:0] w103; f3_mult m104 (a[17:16], b[5:4], w103);
687 
wire [1:0] w105; f3_mult m106 (a[19:18], b[3:2], w105);
688 
wire [1:0] w107; f3_add a108 (w101, w103, w107);
689 
wire [1:0] w109; f3_add a110 (w107, w105, w109);
690 
assign c[21:20] = w109;
691 
wire [1:0] w111; f3_mult m112 (a[23:22], b[1:0], w111);
692 
wire [1:0] w113; f3_mult m114 (a[19:18], b[5:4], w113);
693 
wire [1:0] w115; f3_mult m116 (a[21:20], b[3:2], w115);
694 
wire [1:0] w117; f3_add a118 (w111, w113, w117);
695 
wire [1:0] w119; f3_add a120 (w117, w115, w119);
696 
assign c[23:22] = w119;
697 
wire [1:0] w121; f3_mult m122 (a[23:22], b[3:2], w121);
698 
wire [1:0] w123; f3_mult m124 (a[25:24], b[1:0], w123);
699 
wire [1:0] w125; f3_mult m126 (a[21:20], b[5:4], w125);
700 
wire [1:0] w127; f3_add a128 (w121, w123, w127);
701 
wire [1:0] w129; f3_add a130 (w127, w125, w129);
702 
wire [1:0] w131; f3_add a132 (w129, {w5[0], w5[1]}, w131);
703 
wire [1:0] w133; f3_add a134 (w131, {w3[0], w3[1]}, w133);
704 
assign c[25:24] = w133;
705 
wire [1:0] w135; f3_mult m136 (a[27:26], b[1:0], w135);
706 
wire [1:0] w137; f3_mult m138 (a[23:22], b[5:4], w137);
707 
wire [1:0] w139; f3_mult m140 (a[25:24], b[3:2], w139);
708 
wire [1:0] w141; f3_add a142 ({w13[0], w13[1]}, w135, w141);
709 
wire [1:0] w143; f3_add a144 (w141, w137, w143);
710 
wire [1:0] w145; f3_add a146 (w143, w139, w145);
711 
assign c[27:26] = w145;
712 
wire [1:0] w147; f3_mult m148 (a[29:28], b[1:0], w147);
713 
wire [1:0] w149; f3_mult m150 (a[27:26], b[3:2], w149);
714 
wire [1:0] w151; f3_mult m152 (a[25:24], b[5:4], w151);
715 
wire [1:0] w153; f3_add a154 (w147, w149, w153);
716 
wire [1:0] w155; f3_add a156 (w153, w151, w155);
717 
assign c[29:28] = w155;
718 
wire [1:0] w157; f3_mult m158 (a[29:28], b[3:2], w157);
719 
wire [1:0] w159; f3_mult m160 (a[31:30], b[1:0], w159);
720 
wire [1:0] w161; f3_mult m162 (a[27:26], b[5:4], w161);
721 
wire [1:0] w163; f3_add a164 (w157, w159, w163);
722 
wire [1:0] w165; f3_add a166 (w163, w161, w165);
723 
assign c[31:30] = w165;
724 
wire [1:0] w167; f3_mult m168 (a[29:28], b[5:4], w167);
725 
wire [1:0] w169; f3_mult m170 (a[31:30], b[3:2], w169);
726 
wire [1:0] w171; f3_mult m172 (a[33:32], b[1:0], w171);
727 
wire [1:0] w173; f3_add a174 (w167, w169, w173);
728 
wire [1:0] w175; f3_add a176 (w173, w171, w175);
729 
assign c[33:32] = w175;
730 
wire [1:0] w177; f3_mult m178 (a[31:30], b[5:4], w177);
731 
wire [1:0] w179; f3_mult m180 (a[35:34], b[1:0], w179);
732 
wire [1:0] w181; f3_mult m182 (a[33:32], b[3:2], w181);
733 
wire [1:0] w183; f3_add a184 (w177, w179, w183);
734 
wire [1:0] w185; f3_add a186 (w183, w181, w185);
735 
assign c[35:34] = w185;
736 
wire [1:0] w187; f3_mult m188 (a[37:36], b[1:0], w187);
737 
wire [1:0] w189; f3_mult m190 (a[33:32], b[5:4], w189);
738 
wire [1:0] w191; f3_mult m192 (a[35:34], b[3:2], w191);
739 
wire [1:0] w193; f3_add a194 (w187, w189, w193);
740 
wire [1:0] w195; f3_add a196 (w193, w191, w195);
741 
assign c[37:36] = w195;
742 
wire [1:0] w197; f3_mult m198 (a[39:38], b[1:0], w197);
743 
wire [1:0] w199; f3_mult m200 (a[35:34], b[5:4], w199);
744 
wire [1:0] w201; f3_mult m202 (a[37:36], b[3:2], w201);
745 
wire [1:0] w203; f3_add a204 (w197, w199, w203);
746 
wire [1:0] w205; f3_add a206 (w203, w201, w205);
747 
assign c[39:38] = w205;
748 
wire [1:0] w207; f3_mult m208 (a[39:38], b[3:2], w207);
749 
wire [1:0] w209; f3_mult m210 (a[41:40], b[1:0], w209);
750 
wire [1:0] w211; f3_mult m212 (a[37:36], b[5:4], w211);
751 
wire [1:0] w213; f3_add a214 (w207, w209, w213);
752 
wire [1:0] w215; f3_add a216 (w213, w211, w215);
753 
assign c[41:40] = w215;
754 
wire [1:0] w217; f3_mult m218 (a[43:42], b[1:0], w217);
755 
wire [1:0] w219; f3_mult m220 (a[39:38], b[5:4], w219);
756 
wire [1:0] w221; f3_mult m222 (a[41:40], b[3:2], w221);
757 
wire [1:0] w223; f3_add a224 (w217, w219, w223);
758 
wire [1:0] w225; f3_add a226 (w223, w221, w225);
759 
assign c[43:42] = w225;
760 
wire [1:0] w227; f3_mult m228 (a[45:44], b[1:0], w227);
761 
wire [1:0] w229; f3_mult m230 (a[43:42], b[3:2], w229);
762 
wire [1:0] w231; f3_mult m232 (a[41:40], b[5:4], w231);
763 
wire [1:0] w233; f3_add a234 (w227, w229, w233);
764 
wire [1:0] w235; f3_add a236 (w233, w231, w235);
765 
assign c[45:44] = w235;
766 
wire [1:0] w237; f3_mult m238 (a[45:44], b[3:2], w237);
767 
wire [1:0] w239; f3_mult m240 (a[47:46], b[1:0], w239);
768 
wire [1:0] w241; f3_mult m242 (a[43:42], b[5:4], w241);
769 
wire [1:0] w243; f3_add a244 (w237, w239, w243);
770 
wire [1:0] w245; f3_add a246 (w243, w241, w245);
771 
assign c[47:46] = w245;
772 
wire [1:0] w247; f3_mult m248 (a[45:44], b[5:4], w247);
773 
wire [1:0] w249; f3_mult m250 (a[47:46], b[3:2], w249);
774 
wire [1:0] w251; f3_mult m252 (a[49:48], b[1:0], w251);
775 
wire [1:0] w253; f3_add a254 (w247, w249, w253);
776 
wire [1:0] w255; f3_add a256 (w253, w251, w255);
777 
assign c[49:48] = w255;
778 
wire [1:0] w257; f3_mult m258 (a[47:46], b[5:4], w257);
779 
wire [1:0] w259; f3_mult m260 (a[51:50], b[1:0], w259);
780 
wire [1:0] w261; f3_mult m262 (a[49:48], b[3:2], w261);
781 
wire [1:0] w263; f3_add a264 (w257, w259, w263);
782 
wire [1:0] w265; f3_add a266 (w263, w261, w265);
783 
assign c[51:50] = w265;
784 
wire [1:0] w267; f3_mult m268 (a[53:52], b[1:0], w267);
785 
wire [1:0] w269; f3_mult m270 (a[49:48], b[5:4], w269);
786 
wire [1:0] w271; f3_mult m272 (a[51:50], b[3:2], w271);
787 
wire [1:0] w273; f3_add a274 (w267, w269, w273);
788 
wire [1:0] w275; f3_add a276 (w273, w271, w275);
789 
assign c[53:52] = w275;
790 
wire [1:0] w277; f3_mult m278 (a[55:54], b[1:0], w277);
791 
wire [1:0] w279; f3_mult m280 (a[51:50], b[5:4], w279);
792 
wire [1:0] w281; f3_mult m282 (a[53:52], b[3:2], w281);
793 
wire [1:0] w283; f3_add a284 (w277, w279, w283);
794 
wire [1:0] w285; f3_add a286 (w283, w281, w285);
795 
assign c[55:54] = w285;
796 
wire [1:0] w287; f3_mult m288 (a[55:54], b[3:2], w287);
797 
wire [1:0] w289; f3_mult m290 (a[57:56], b[1:0], w289);
798 
wire [1:0] w291; f3_mult m292 (a[53:52], b[5:4], w291);
799 
wire [1:0] w293; f3_add a294 (w287, w289, w293);
800 
wire [1:0] w295; f3_add a296 (w293, w291, w295);
801 
assign c[57:56] = w295;
802 
wire [1:0] w297; f3_mult m298 (a[59:58], b[1:0], w297);
803 
wire [1:0] w299; f3_mult m300 (a[55:54], b[5:4], w299);
804 
wire [1:0] w301; f3_mult m302 (a[57:56], b[3:2], w301);
805 
wire [1:0] w303; f3_add a304 (w297, w299, w303);
806 
wire [1:0] w305; f3_add a306 (w303, w301, w305);
807 
assign c[59:58] = w305;
808 
wire [1:0] w307; f3_mult m308 (a[61:60], b[1:0], w307);
809 
wire [1:0] w309; f3_mult m310 (a[59:58], b[3:2], w309);
810 
wire [1:0] w311; f3_mult m312 (a[57:56], b[5:4], w311);
811 
wire [1:0] w313; f3_add a314 (w307, w309, w313);
812 
wire [1:0] w315; f3_add a316 (w313, w311, w315);
813 
assign c[61:60] = w315;
814 
wire [1:0] w317; f3_mult m318 (a[61:60], b[3:2], w317);
815 
wire [1:0] w319; f3_mult m320 (a[63:62], b[1:0], w319);
816 
wire [1:0] w321; f3_mult m322 (a[59:58], b[5:4], w321);
817 
wire [1:0] w323; f3_add a324 (w317, w319, w323);
818 
wire [1:0] w325; f3_add a326 (w323, w321, w325);
819 
assign c[63:62] = w325;
820 
wire [1:0] w327; f3_mult m328 (a[61:60], b[5:4], w327);
821 
wire [1:0] w329; f3_mult m330 (a[63:62], b[3:2], w329);
822 
wire [1:0] w331; f3_mult m332 (a[65:64], b[1:0], w331);
823 
wire [1:0] w333; f3_add a334 (w327, w329, w333);
824 
wire [1:0] w335; f3_add a336 (w333, w331, w335);
825 
assign c[65:64] = w335;
826 
wire [1:0] w337; f3_mult m338 (a[67:66], b[1:0], w337);
827 
wire [1:0] w339; f3_mult m340 (a[63:62], b[5:4], w339);
828 
wire [1:0] w341; f3_mult m342 (a[65:64], b[3:2], w341);
829 
wire [1:0] w343; f3_add a344 (w337, w339, w343);
830 
wire [1:0] w345; f3_add a346 (w343, w341, w345);
831 
assign c[67:66] = w345;
832 
wire [1:0] w347; f3_mult m348 (a[69:68], b[1:0], w347);
833 
wire [1:0] w349; f3_mult m350 (a[65:64], b[5:4], w349);
834 
wire [1:0] w351; f3_mult m352 (a[67:66], b[3:2], w351);
835 
wire [1:0] w353; f3_add a354 (w347, w349, w353);
836 
wire [1:0] w355; f3_add a356 (w353, w351, w355);
837 
assign c[69:68] = w355;
838 
wire [1:0] w357; f3_mult m358 (a[71:70], b[1:0], w357);
839 
wire [1:0] w359; f3_mult m360 (a[67:66], b[5:4], w359);
840 
wire [1:0] w361; f3_mult m362 (a[69:68], b[3:2], w361);
841 
wire [1:0] w363; f3_add a364 (w357, w359, w363);
842 
wire [1:0] w365; f3_add a366 (w363, w361, w365);
843 
assign c[71:70] = w365;
844 
wire [1:0] w367; f3_mult m368 (a[71:70], b[3:2], w367);
845 
wire [1:0] w369; f3_mult m370 (a[73:72], b[1:0], w369);
846 
wire [1:0] w371; f3_mult m372 (a[69:68], b[5:4], w371);
847 
wire [1:0] w373; f3_add a374 (w367, w369, w373);
848 
wire [1:0] w375; f3_add a376 (w373, w371, w375);
849 
assign c[73:72] = w375;
850 
wire [1:0] w377; f3_mult m378 (a[75:74], b[1:0], w377);
851 
wire [1:0] w379; f3_mult m380 (a[71:70], b[5:4], w379);
852 
wire [1:0] w381; f3_mult m382 (a[73:72], b[3:2], w381);
853 
wire [1:0] w383; f3_add a384 (w377, w379, w383);
854 
wire [1:0] w385; f3_add a386 (w383, w381, w385);
855 
assign c[75:74] = w385;
856 
wire [1:0] w387; f3_mult m388 (a[77:76], b[1:0], w387);
857 
wire [1:0] w389; f3_mult m390 (a[75:74], b[3:2], w389);
858 
wire [1:0] w391; f3_mult m392 (a[73:72], b[5:4], w391);
859 
wire [1:0] w393; f3_add a394 (w387, w389, w393);
860 
wire [1:0] w395; f3_add a396 (w393, w391, w395);
861 
assign c[77:76] = w395;
862 
wire [1:0] w397; f3_mult m398 (a[77:76], b[3:2], w397);
863 
wire [1:0] w399; f3_mult m400 (a[79:78], b[1:0], w399);
864 
wire [1:0] w401; f3_mult m402 (a[75:74], b[5:4], w401);
865 
wire [1:0] w403; f3_add a404 (w397, w399, w403);
866 
wire [1:0] w405; f3_add a406 (w403, w401, w405);
867 
assign c[79:78] = w405;
868 
wire [1:0] w407; f3_mult m408 (a[77:76], b[5:4], w407);
869 
wire [1:0] w409; f3_mult m410 (a[79:78], b[3:2], w409);
870 
wire [1:0] w411; f3_mult m412 (a[81:80], b[1:0], w411);
871 
wire [1:0] w413; f3_add a414 (w407, w409, w413);
872 
wire [1:0] w415; f3_add a416 (w413, w411, w415);
873 
assign c[81:80] = w415;
874 
wire [1:0] w417; f3_mult m418 (a[83:82], b[1:0], w417);
875 
wire [1:0] w419; f3_mult m420 (a[79:78], b[5:4], w419);
876 
wire [1:0] w421; f3_mult m422 (a[81:80], b[3:2], w421);
877 
wire [1:0] w423; f3_add a424 (w417, w419, w423);
878 
wire [1:0] w425; f3_add a426 (w423, w421, w425);
879 
assign c[83:82] = w425;
880 
wire [1:0] w427; f3_mult m428 (a[85:84], b[1:0], w427);
881 
wire [1:0] w429; f3_mult m430 (a[81:80], b[5:4], w429);
882 
wire [1:0] w431; f3_mult m432 (a[83:82], b[3:2], w431);
883 
wire [1:0] w433; f3_add a434 (w427, w429, w433);
884 
wire [1:0] w435; f3_add a436 (w433, w431, w435);
885 
assign c[85:84] = w435;
886 
wire [1:0] w437; f3_mult m438 (a[87:86], b[1:0], w437);
887 
wire [1:0] w439; f3_mult m440 (a[83:82], b[5:4], w439);
888 
wire [1:0] w441; f3_mult m442 (a[85:84], b[3:2], w441);
889 
wire [1:0] w443; f3_add a444 (w437, w439, w443);
890 
wire [1:0] w445; f3_add a446 (w443, w441, w445);
891 
assign c[87:86] = w445;
892 
wire [1:0] w447; f3_mult m448 (a[87:86], b[3:2], w447);
893 
wire [1:0] w449; f3_mult m450 (a[89:88], b[1:0], w449);
894 
wire [1:0] w451; f3_mult m452 (a[85:84], b[5:4], w451);
895 
wire [1:0] w453; f3_add a454 (w447, w449, w453);
896 
wire [1:0] w455; f3_add a456 (w453, w451, w455);
897 
assign c[89:88] = w455;
898 
wire [1:0] w457; f3_mult m458 (a[91:90], b[1:0], w457);
899 
wire [1:0] w459; f3_mult m460 (a[87:86], b[5:4], w459);
900 
wire [1:0] w461; f3_mult m462 (a[89:88], b[3:2], w461);
901 
wire [1:0] w463; f3_add a464 (w457, w459, w463);
902 
wire [1:0] w465; f3_add a466 (w463, w461, w465);
903 
assign c[91:90] = w465;
904 
wire [1:0] w467; f3_mult m468 (a[91:90], b[3:2], w467);
905 
wire [1:0] w469; f3_mult m470 (a[89:88], b[5:4], w469);
906 
wire [1:0] w471; f3_mult m472 (a[93:92], b[1:0], w471);
907 
wire [1:0] w473; f3_add a474 (w467, w469, w473);
908 
wire [1:0] w475; f3_add a476 (w473, w471, w475);
909 
assign c[93:92] = w475;
910 
wire [1:0] w477; f3_mult m478 (a[93:92], b[3:2], w477);
911 
wire [1:0] w479; f3_mult m480 (a[95:94], b[1:0], w479);
912 
wire [1:0] w481; f3_mult m482 (a[91:90], b[5:4], w481);
913 
wire [1:0] w483; f3_add a484 (w477, w479, w483);
914 
wire [1:0] w485; f3_add a486 (w483, w481, w485);
915 
assign c[95:94] = w485;
916 
wire [1:0] w487; f3_mult m488 (a[93:92], b[5:4], w487);
917 
wire [1:0] w489; f3_mult m490 (a[95:94], b[3:2], w489);
918 
wire [1:0] w491; f3_mult m492 (a[97:96], b[1:0], w491);
919 
wire [1:0] w493; f3_add a494 (w487, w489, w493);
920 
wire [1:0] w495; f3_add a496 (w493, w491, w495);
921 
assign c[97:96] = w495;
922 
wire [1:0] w497; f3_mult m498 (a[99:98], b[1:0], w497);
923 
wire [1:0] w499; f3_mult m500 (a[95:94], b[5:4], w499);
924 
wire [1:0] w501; f3_mult m502 (a[97:96], b[3:2], w501);
925 
wire [1:0] w503; f3_add a504 (w497, w499, w503);
926 
wire [1:0] w505; f3_add a506 (w503, w501, w505);
927 
assign c[99:98] = w505;
928 
wire [1:0] w507; f3_mult m508 (a[101:100], b[1:0], w507);
929 
wire [1:0] w509; f3_mult m510 (a[97:96], b[5:4], w509);
930 
wire [1:0] w511; f3_mult m512 (a[99:98], b[3:2], w511);
931 
wire [1:0] w513; f3_add a514 (w507, w509, w513);
932 
wire [1:0] w515; f3_add a516 (w513, w511, w515);
933 
assign c[101:100] = w515;
934 
wire [1:0] w517; f3_mult m518 (a[103:102], b[1:0], w517);
935 
wire [1:0] w519; f3_mult m520 (a[99:98], b[5:4], w519);
936 
wire [1:0] w521; f3_mult m522 (a[101:100], b[3:2], w521);
937 
wire [1:0] w523; f3_add a524 (w517, w519, w523);
938 
wire [1:0] w525; f3_add a526 (w523, w521, w525);
939 
assign c[103:102] = w525;
940 
wire [1:0] w527; f3_mult m528 (a[103:102], b[3:2], w527);
941 
wire [1:0] w529; f3_mult m530 (a[105:104], b[1:0], w529);
942 
wire [1:0] w531; f3_mult m532 (a[101:100], b[5:4], w531);
943 
wire [1:0] w533; f3_add a534 (w527, w529, w533);
944 
wire [1:0] w535; f3_add a536 (w533, w531, w535);
945 
assign c[105:104] = w535;
946 
wire [1:0] w537; f3_mult m538 (a[107:106], b[1:0], w537);
947 
wire [1:0] w539; f3_mult m540 (a[103:102], b[5:4], w539);
948 
wire [1:0] w541; f3_mult m542 (a[105:104], b[3:2], w541);
949 
wire [1:0] w543; f3_add a544 (w537, w539, w543);
950 
wire [1:0] w545; f3_add a546 (w543, w541, w545);
951 
assign c[107:106] = w545;
952 
wire [1:0] w547; f3_mult m548 (a[107:106], b[3:2], w547);
953 
wire [1:0] w549; f3_mult m550 (a[105:104], b[5:4], w549);
954 
wire [1:0] w551; f3_mult m552 (a[109:108], b[1:0], w551);
955 
wire [1:0] w553; f3_add a554 (w547, w549, w553);
956 
wire [1:0] w555; f3_add a556 (w553, w551, w555);
957 
assign c[109:108] = w555;
958 
wire [1:0] w557; f3_mult m558 (a[109:108], b[3:2], w557);
959 
wire [1:0] w559; f3_mult m560 (a[111:110], b[1:0], w559);
960 
wire [1:0] w561; f3_mult m562 (a[107:106], b[5:4], w561);
961 
wire [1:0] w563; f3_add a564 (w557, w559, w563);
962 
wire [1:0] w565; f3_add a566 (w563, w561, w565);
963 
assign c[111:110] = w565;
964 
wire [1:0] w567; f3_mult m568 (a[109:108], b[5:4], w567);
965 
wire [1:0] w569; f3_mult m570 (a[111:110], b[3:2], w569);
966 
wire [1:0] w571; f3_mult m572 (a[113:112], b[1:0], w571);
967 
wire [1:0] w573; f3_add a574 (w567, w569, w573);
968 
wire [1:0] w575; f3_add a576 (w573, w571, w575);
969 
assign c[113:112] = w575;
970 
wire [1:0] w577; f3_mult m578 (a[115:114], b[1:0], w577);
971 
wire [1:0] w579; f3_mult m580 (a[111:110], b[5:4], w579);
972 
wire [1:0] w581; f3_mult m582 (a[113:112], b[3:2], w581);
973 
wire [1:0] w583; f3_add a584 (w577, w579, w583);
974 
wire [1:0] w585; f3_add a586 (w583, w581, w585);
975 
assign c[115:114] = w585;
976 
wire [1:0] w587; f3_mult m588 (a[117:116], b[1:0], w587);
977 
wire [1:0] w589; f3_mult m590 (a[113:112], b[5:4], w589);
978 
wire [1:0] w591; f3_mult m592 (a[115:114], b[3:2], w591);
979 
wire [1:0] w593; f3_add a594 (w587, w589, w593);
980 
wire [1:0] w595; f3_add a596 (w593, w591, w595);
981 
assign c[117:116] = w595;
982 
wire [1:0] w597; f3_mult m598 (a[119:118], b[1:0], w597);
983 
wire [1:0] w599; f3_mult m600 (a[115:114], b[5:4], w599);
984 
wire [1:0] w601; f3_mult m602 (a[117:116], b[3:2], w601);
985 
wire [1:0] w603; f3_add a604 (w597, w599, w603);
986 
wire [1:0] w605; f3_add a606 (w603, w601, w605);
987 
assign c[119:118] = w605;
988 
wire [1:0] w607; f3_mult m608 (a[119:118], b[3:2], w607);
989 
wire [1:0] w609; f3_mult m610 (a[121:120], b[1:0], w609);
990 
wire [1:0] w611; f3_mult m612 (a[117:116], b[5:4], w611);
991 
wire [1:0] w613; f3_add a614 (w607, w609, w613);
992 
wire [1:0] w615; f3_add a616 (w613, w611, w615);
993 
assign c[121:120] = w615;
994 
wire [1:0] w617; f3_mult m618 (a[123:122], b[1:0], w617);
995 
wire [1:0] w619; f3_mult m620 (a[119:118], b[5:4], w619);
996 
wire [1:0] w621; f3_mult m622 (a[121:120], b[3:2], w621);
997 
wire [1:0] w623; f3_add a624 (w617, w619, w623);
998 
wire [1:0] w625; f3_add a626 (w623, w621, w625);
999 
assign c[123:122] = w625;
1000 
wire [1:0] w627; f3_mult m628 (a[123:122], b[3:2], w627);
1001 
wire [1:0] w629; f3_mult m630 (a[121:120], b[5:4], w629);
1002 
wire [1:0] w631; f3_mult m632 (a[125:124], b[1:0], w631);
1003 
wire [1:0] w633; f3_add a634 (w627, w629, w633);
1004 
wire [1:0] w635; f3_add a636 (w633, w631, w635);
1005 
assign c[125:124] = w635;
1006 
wire [1:0] w637; f3_mult m638 (a[125:124], b[3:2], w637);
1007 
wire [1:0] w639; f3_mult m640 (a[127:126], b[1:0], w639);
1008 
wire [1:0] w641; f3_mult m642 (a[123:122], b[5:4], w641);
1009 
wire [1:0] w643; f3_add a644 (w637, w639, w643);
1010 
wire [1:0] w645; f3_add a646 (w643, w641, w645);
1011 
assign c[127:126] = w645;
1012 
wire [1:0] w647; f3_mult m648 (a[125:124], b[5:4], w647);
1013 
wire [1:0] w649; f3_mult m650 (a[127:126], b[3:2], w649);
1014 
wire [1:0] w651; f3_mult m652 (a[129:128], b[1:0], w651);
1015 
wire [1:0] w653; f3_add a654 (w647, w649, w653);
1016 
wire [1:0] w655; f3_add a656 (w653, w651, w655);
1017 
assign c[129:128] = w655;
1018 
wire [1:0] w657; f3_mult m658 (a[127:126], b[5:4], w657);
1019 
wire [1:0] w659; f3_mult m660 (a[131:130], b[1:0], w659);
1020 
wire [1:0] w661; f3_mult m662 (a[129:128], b[3:2], w661);
1021 
wire [1:0] w663; f3_add a664 (w657, w659, w663);
1022 
wire [1:0] w665; f3_add a666 (w663, w661, w665);
1023 
assign c[131:130] = w665;
1024 
wire [1:0] w667; f3_mult m668 (a[133:132], b[1:0], w667);
1025 
wire [1:0] w669; f3_mult m670 (a[129:128], b[5:4], w669);
1026 
wire [1:0] w671; f3_mult m672 (a[131:130], b[3:2], w671);
1027 
wire [1:0] w673; f3_add a674 (w667, w669, w673);
1028 
wire [1:0] w675; f3_add a676 (w673, w671, w675);
1029 
assign c[133:132] = w675;
1030 
wire [1:0] w677; f3_mult m678 (a[133:132], b[3:2], w677);
1031 
wire [1:0] w679; f3_mult m680 (a[131:130], b[5:4], w679);
1032 
wire [1:0] w681; f3_mult m682 (a[135:134], b[1:0], w681);
1033 
wire [1:0] w683; f3_add a684 (w677, w679, w683);
1034 
wire [1:0] w685; f3_add a686 (w683, w681, w685);
1035 
assign c[135:134] = w685;
1036 
wire [1:0] w687; f3_mult m688 (a[135:134], b[3:2], w687);
1037 
wire [1:0] w689; f3_mult m690 (a[137:136], b[1:0], w689);
1038 
wire [1:0] w691; f3_mult m692 (a[133:132], b[5:4], w691);
1039 
wire [1:0] w693; f3_add a694 (w687, w689, w693);
1040 
wire [1:0] w695; f3_add a696 (w693, w691, w695);
1041 
assign c[137:136] = w695;
1042 
wire [1:0] w697; f3_mult m698 (a[139:138], b[1:0], w697);
1043 
wire [1:0] w699; f3_mult m700 (a[135:134], b[5:4], w699);
1044 
wire [1:0] w701; f3_mult m702 (a[137:136], b[3:2], w701);
1045 
wire [1:0] w703; f3_add a704 (w697, w699, w703);
1046 
wire [1:0] w705; f3_add a706 (w703, w701, w705);
1047 
assign c[139:138] = w705;
1048 
wire [1:0] w707; f3_mult m708 (a[141:140], b[1:0], w707);
1049 
wire [1:0] w709; f3_mult m710 (a[139:138], b[3:2], w709);
1050 
wire [1:0] w711; f3_mult m712 (a[137:136], b[5:4], w711);
1051 
wire [1:0] w713; f3_add a714 (w707, w709, w713);
1052 
wire [1:0] w715; f3_add a716 (w713, w711, w715);
1053 
assign c[141:140] = w715;
1054 
wire [1:0] w717; f3_mult m718 (a[143:142], b[1:0], w717);
1055 
wire [1:0] w719; f3_mult m720 (a[141:140], b[3:2], w719);
1056 
wire [1:0] w721; f3_mult m722 (a[139:138], b[5:4], w721);
1057 
wire [1:0] w723; f3_add a724 (w717, w719, w723);
1058 
wire [1:0] w725; f3_add a726 (w723, w721, w725);
1059 
assign c[143:142] = w725;
1060 
wire [1:0] w727; f3_mult m728 (a[141:140], b[5:4], w727);
1061 
wire [1:0] w729; f3_mult m730 (a[143:142], b[3:2], w729);
1062 
wire [1:0] w731; f3_mult m732 (a[145:144], b[1:0], w731);
1063 
wire [1:0] w733; f3_add a734 (w727, w729, w733);
1064 
wire [1:0] w735; f3_add a736 (w733, w731, w735);
1065 
assign c[145:144] = w735;
1066 
wire [1:0] w737; f3_mult m738 (a[143:142], b[5:4], w737);
1067 
wire [1:0] w739; f3_mult m740 (a[147:146], b[1:0], w739);
1068 
wire [1:0] w741; f3_mult m742 (a[145:144], b[3:2], w741);
1069 
wire [1:0] w743; f3_add a744 (w737, w739, w743);
1070 
wire [1:0] w745; f3_add a746 (w743, w741, w745);
1071 
assign c[147:146] = w745;
1072 
wire [1:0] w747; f3_mult m748 (a[145:144], b[5:4], w747);
1073 
wire [1:0] w749; f3_mult m750 (a[149:148], b[1:0], w749);
1074 
wire [1:0] w751; f3_mult m752 (a[147:146], b[3:2], w751);
1075 
wire [1:0] w753; f3_add a754 (w747, w749, w753);
1076 
wire [1:0] w755; f3_add a756 (w753, w751, w755);
1077 
assign c[149:148] = w755;
1078 
wire [1:0] w757; f3_mult m758 (a[149:148], b[3:2], w757);
1079 
wire [1:0] w759; f3_mult m760 (a[147:146], b[5:4], w759);
1080 
wire [1:0] w761; f3_mult m762 (a[151:150], b[1:0], w761);
1081 
wire [1:0] w763; f3_add a764 (w757, w759, w763);
1082 
wire [1:0] w765; f3_add a766 (w763, w761, w765);
1083 
assign c[151:150] = w765;
1084 
wire [1:0] w767; f3_mult m768 (a[151:150], b[3:2], w767);
1085 
wire [1:0] w769; f3_mult m770 (a[149:148], b[5:4], w769);
1086 
wire [1:0] w771; f3_mult m772 (a[153:152], b[1:0], w771);
1087 
wire [1:0] w773; f3_add a774 (w767, w769, w773);
1088 
wire [1:0] w775; f3_add a776 (w773, w771, w775);
1089 
assign c[153:152] = w775;
1090 
wire [1:0] w777; f3_mult m778 (a[155:154], b[1:0], w777);
1091 
wire [1:0] w779; f3_mult m780 (a[151:150], b[5:4], w779);
1092 
wire [1:0] w781; f3_mult m782 (a[153:152], b[3:2], w781);
1093 
wire [1:0] w783; f3_add a784 (w777, w779, w783);
1094 
wire [1:0] w785; f3_add a786 (w783, w781, w785);
1095 
assign c[155:154] = w785;
1096 
wire [1:0] w787; f3_mult m788 (a[155:154], b[3:2], w787);
1097 
wire [1:0] w789; f3_mult m790 (a[153:152], b[5:4], w789);
1098 
wire [1:0] w791; f3_mult m792 (a[157:156], b[1:0], w791);
1099 
wire [1:0] w793; f3_add a794 (w787, w789, w793);
1100 
wire [1:0] w795; f3_add a796 (w793, w791, w795);
1101 
assign c[157:156] = w795;
1102 
wire [1:0] w797; f3_mult m798 (a[159:158], b[1:0], w797);
1103 
wire [1:0] w799; f3_mult m800 (a[157:156], b[3:2], w799);
1104 
wire [1:0] w801; f3_mult m802 (a[155:154], b[5:4], w801);
1105 
wire [1:0] w803; f3_add a804 (w797, w799, w803);
1106 
wire [1:0] w805; f3_add a806 (w803, w801, w805);
1107 
assign c[159:158] = w805;
1108 
wire [1:0] w807; f3_mult m808 (a[157:156], b[5:4], w807);
1109 
wire [1:0] w809; f3_mult m810 (a[159:158], b[3:2], w809);
1110 
wire [1:0] w811; f3_mult m812 (a[161:160], b[1:0], w811);
1111 
wire [1:0] w813; f3_add a814 (w807, w809, w813);
1112 
wire [1:0] w815; f3_add a816 (w813, w811, w815);
1113 
assign c[161:160] = w815;
1114 
wire [1:0] w817; f3_mult m818 (a[159:158], b[5:4], w817);
1115 
wire [1:0] w819; f3_mult m820 (a[163:162], b[1:0], w819);
1116 
wire [1:0] w821; f3_mult m822 (a[161:160], b[3:2], w821);
1117 
wire [1:0] w823; f3_add a824 (w817, w819, w823);
1118 
wire [1:0] w825; f3_add a826 (w823, w821, w825);
1119 
assign c[163:162] = w825;
1120 
wire [1:0] w827; f3_mult m828 (a[161:160], b[5:4], w827);
1121 
wire [1:0] w829; f3_mult m830 (a[165:164], b[1:0], w829);
1122 
wire [1:0] w831; f3_mult m832 (a[163:162], b[3:2], w831);
1123 
wire [1:0] w833; f3_add a834 (w827, w829, w833);
1124 
wire [1:0] w835; f3_add a836 (w833, w831, w835);
1125 
assign c[165:164] = w835;
1126 
wire [1:0] w837; f3_mult m838 (a[165:164], b[3:2], w837);
1127 
wire [1:0] w839; f3_mult m840 (a[163:162], b[5:4], w839);
1128 
wire [1:0] w841; f3_mult m842 (a[167:166], b[1:0], w841);
1129 
wire [1:0] w843; f3_add a844 (w837, w839, w843);
1130 
wire [1:0] w845; f3_add a846 (w843, w841, w845);
1131 
assign c[167:166] = w845;
1132 
wire [1:0] w847; f3_mult m848 (a[167:166], b[3:2], w847);
1133 
wire [1:0] w849; f3_mult m850 (a[165:164], b[5:4], w849);
1134 
wire [1:0] w851; f3_mult m852 (a[169:168], b[1:0], w851);
1135 
wire [1:0] w853; f3_add a854 (w847, w849, w853);
1136 
wire [1:0] w855; f3_add a856 (w853, w851, w855);
1137 
assign c[169:168] = w855;
1138 
wire [1:0] w857; f3_mult m858 (a[171:170], b[1:0], w857);
1139 
wire [1:0] w859; f3_mult m860 (a[167:166], b[5:4], w859);
1140 
wire [1:0] w861; f3_mult m862 (a[169:168], b[3:2], w861);
1141 
wire [1:0] w863; f3_add a864 (w857, w859, w863);
1142 
wire [1:0] w865; f3_add a866 (w863, w861, w865);
1143 
assign c[171:170] = w865;
1144 
wire [1:0] w867; f3_mult m868 (a[171:170], b[3:2], w867);
1145 
wire [1:0] w869; f3_mult m870 (a[169:168], b[5:4], w869);
1146 
wire [1:0] w871; f3_mult m872 (a[173:172], b[1:0], w871);
1147 
wire [1:0] w873; f3_add a874 (w867, w869, w873);
1148 
wire [1:0] w875; f3_add a876 (w873, w871, w875);
1149 
assign c[173:172] = w875;
1150 
wire [1:0] w877; f3_mult m878 (a[173:172], b[3:2], w877);
1151 
wire [1:0] w879; f3_mult m880 (a[175:174], b[1:0], w879);
1152 
wire [1:0] w881; f3_mult m882 (a[171:170], b[5:4], w881);
1153 
wire [1:0] w883; f3_add a884 (w877, w879, w883);
1154 
wire [1:0] w885; f3_add a886 (w883, w881, w885);
1155 
assign c[175:174] = w885;
1156 
wire [1:0] w887; f3_mult m888 (a[173:172], b[5:4], w887);
1157 
wire [1:0] w889; f3_mult m890 (a[175:174], b[3:2], w889);
1158 
wire [1:0] w891; f3_mult m892 (a[177:176], b[1:0], w891);
1159 
wire [1:0] w893; f3_add a894 (w887, w889, w893);
1160 
wire [1:0] w895; f3_add a896 (w893, w891, w895);
1161 
assign c[177:176] = w895;
1162 
wire [1:0] w897; f3_mult m898 (a[175:174], b[5:4], w897);
1163 
wire [1:0] w899; f3_mult m900 (a[179:178], b[1:0], w899);
1164 
wire [1:0] w901; f3_mult m902 (a[177:176], b[3:2], w901);
1165 
wire [1:0] w903; f3_add a904 (w897, w899, w903);
1166 
wire [1:0] w905; f3_add a906 (w903, w901, w905);
1167 
assign c[179:178] = w905;
1168 
wire [1:0] w907; f3_mult m908 (a[177:176], b[5:4], w907);
1169 
wire [1:0] w909; f3_mult m910 (a[181:180], b[1:0], w909);
1170 
wire [1:0] w911; f3_mult m912 (a[179:178], b[3:2], w911);
1171 
wire [1:0] w913; f3_add a914 (w907, w909, w913);
1172 
wire [1:0] w915; f3_add a916 (w913, w911, w915);
1173 
assign c[181:180] = w915;
1174 
wire [1:0] w917; f3_mult m918 (a[181:180], b[3:2], w917);
1175 
wire [1:0] w919; f3_mult m920 (a[183:182], b[1:0], w919);
1176 
wire [1:0] w921; f3_mult m922 (a[179:178], b[5:4], w921);
1177 
wire [1:0] w923; f3_add a924 (w917, w919, w923);
1178 
wire [1:0] w925; f3_add a926 (w923, w921, w925);
1179 
assign c[183:182] = w925;
1180 
wire [1:0] w927; f3_mult m928 (a[183:182], b[3:2], w927);
1181 
wire [1:0] w929; f3_mult m930 (a[181:180], b[5:4], w929);
1182 
wire [1:0] w931; f3_mult m932 (a[185:184], b[1:0], w931);
1183 
wire [1:0] w933; f3_add a934 (w927, w929, w933);
1184 
wire [1:0] w935; f3_add a936 (w933, w931, w935);
1185 
assign c[185:184] = w935;
1186 
wire [1:0] w937; f3_mult m938 (a[187:186], b[1:0], w937);
1187 
wire [1:0] w939; f3_mult m940 (a[183:182], b[5:4], w939);
1188 
wire [1:0] w941; f3_mult m942 (a[185:184], b[3:2], w941);
1189 
wire [1:0] w943; f3_add a944 (w937, w939, w943);
1190 
wire [1:0] w945; f3_add a946 (w943, w941, w945);
1191 
assign c[187:186] = w945;
1192 
wire [1:0] w947; f3_mult m948 (a[187:186], b[3:2], w947);
1193 
wire [1:0] w949; f3_mult m950 (a[185:184], b[5:4], w949);
1194 
wire [1:0] w951; f3_mult m952 (a[189:188], b[1:0], w951);
1195 
wire [1:0] w953; f3_add a954 (w947, w949, w953);
1196 
wire [1:0] w955; f3_add a956 (w953, w951, w955);
1197 
assign c[189:188] = w955;
1198 
wire [1:0] w957; f3_mult m958 (a[189:188], b[3:2], w957);
1199 
wire [1:0] w959; f3_mult m960 (a[191:190], b[1:0], w959);
1200 
wire [1:0] w961; f3_mult m962 (a[187:186], b[5:4], w961);
1201 
wire [1:0] w963; f3_add a964 (w957, w959, w963);
1202 
wire [1:0] w965; f3_add a966 (w963, w961, w965);
1203 
assign c[191:190] = w965;
1204 
wire [1:0] w967; f3_mult m968 (a[189:188], b[5:4], w967);
1205 
wire [1:0] w969; f3_mult m970 (a[191:190], b[3:2], w969);
1206 
wire [1:0] w971; f3_mult m972 (a[193:192], b[1:0], w971);
1207 
wire [1:0] w973; f3_add a974 (w967, w969, w973);
1208 
wire [1:0] w975; f3_add a976 (w973, w971, w975);
1209 
assign c[193:192] = w975;
1210 
endmodule

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