/*** * This code is a part of EvoApproxLib library (ehw.fit.vutbr.cz/approxlib) distributed under The MIT License. * When used, please cite the following article(s): V. Mrazek, R. Hrbacek, Z. Vasicek and L. Sekanina, "EvoApprox8b: Library of approximate adders and multipliers for circuit design and benchmarking of approximation methods". Design, Automation & Test in Europe Conference & Exhibition (DATE), 2017, Lausanne, 2017, pp. 258-261. doi: 10.23919/DATE.2017.7926993 * This file contains a circuit from a sub-set of pareto optimal circuits with respect to the pwr and mre parameters ***/ // MAE% = 0.43 % // MAE = 284 // WCE% = 2.15 % // WCE = 1408 // WCRE% = 80.00 % // EP% = 87.31 % // MRE% = 4.20 % // MSE = 139814 // PDK45_PWR = 0.142 mW // PDK45_AREA = 390.5 um2 // PDK45_DELAY = 1.09 ns module mul8u_12N4 ( A, B, O ); input [7:0] A; input [7:0] B; output [15:0] O; wire sig_16,sig_17,sig_18,sig_19,sig_20,sig_21,sig_22,sig_23,sig_24,sig_25,sig_26,sig_27,sig_28,sig_29,sig_30,sig_31,sig_32,sig_34,sig_39,sig_42; wire sig_49,sig_54,sig_57,sig_59,sig_66,sig_67,sig_68,sig_69,sig_70,sig_71,sig_72,sig_74,sig_76,sig_81,sig_86,sig_91,sig_99,sig_103,sig_105,sig_106; wire sig_111,sig_112,sig_113,sig_114,sig_115,sig_116,sig_117,sig_118,sig_119,sig_121,sig_126,sig_131,sig_136,sig_141,sig_147,sig_149,sig_154,sig_155,sig_156,sig_157; wire sig_158,sig_159,sig_160,sig_161,sig_162,sig_163,sig_164,sig_166,sig_171,sig_176,sig_181,sig_186,sig_187,sig_191,sig_192,sig_193,sig_194,sig_195,sig_196,sig_197; wire sig_198,sig_199,sig_200,sig_201,sig_202,sig_203,sig_204,sig_205,sig_206,sig_207,sig_208,sig_209,sig_211,sig_216,sig_221,sig_226,sig_227,sig_231,sig_232,sig_233; wire sig_234,sig_235,sig_236,sig_237,sig_238,sig_239,sig_240,sig_241,sig_242,sig_243,sig_244,sig_245,sig_246,sig_247,sig_248,sig_249,sig_250,sig_251,sig_252,sig_253; wire sig_254,sig_256,sig_261,sig_266,sig_267,sig_271,sig_272,sig_273,sig_274,sig_275,sig_276,sig_277,sig_278,sig_279,sig_280,sig_281,sig_282,sig_283,sig_284,sig_285; wire sig_286,sig_287,sig_288,sig_289,sig_290,sig_291,sig_292,sig_293,sig_294,sig_295,sig_296,sig_297,sig_298,sig_299,sig_301,sig_306,sig_307,sig_311,sig_312,sig_313; wire sig_314,sig_315,sig_316,sig_317,sig_318,sig_319,sig_320,sig_321,sig_322,sig_323,sig_324,sig_325,sig_326,sig_327,sig_328,sig_329,sig_330,sig_331,sig_332,sig_333; wire sig_334,sig_335; assign sig_16 = B[0] & A[0]; assign sig_17 = B[1] & A[0]; assign sig_18 = B[2] & A[0]; assign sig_19 = B[3] & A[0]; assign sig_20 = B[4] & A[0]; assign sig_21 = B[5] & A[0]; assign sig_22 = B[6] & A[0]; assign sig_23 = B[7] & A[0]; assign sig_24 = B[0] & A[1]; assign sig_25 = B[1] & A[1]; assign sig_26 = B[2] & A[1]; assign sig_27 = B[3] & A[1]; assign sig_28 = B[4] & A[1]; assign sig_29 = B[5] & A[1]; assign sig_30 = B[6] & A[1]; assign sig_31 = B[7] & A[1]; assign sig_32 = sig_17 | sig_24; assign sig_34 = sig_18 | sig_25; assign sig_39 = sig_19 | sig_26; assign sig_42 = sig_39 | sig_27; assign sig_49 = sig_21 | sig_28; assign sig_54 = sig_22 | sig_29; assign sig_57 = sig_54 | sig_31; assign sig_59 = sig_23 | sig_30; assign sig_66 = B[0] & A[2]; assign sig_67 = B[1] & A[2]; assign sig_68 = B[2] & A[2]; assign sig_69 = B[3] & A[2]; assign sig_70 = B[4] & A[2]; assign sig_71 = B[5] & A[2]; assign sig_72 = B[6] & A[2]; assign sig_74 = sig_34 | sig_66; assign sig_76 = sig_42 | sig_67; assign sig_81 = sig_20 | sig_68; assign sig_86 = sig_49 | sig_69; assign sig_91 = sig_57 | sig_70; assign sig_99 = sig_59 | sig_71; assign sig_103 = ~B[6]; assign sig_105 = ~(B[6] | sig_103); assign sig_106 = B[7] & A[2]; assign sig_111 = B[0] & A[3]; assign sig_112 = B[1] & A[3]; assign sig_113 = B[2] & A[3]; assign sig_114 = B[3] & A[3]; assign sig_115 = B[4] & A[3]; assign sig_116 = B[5] & A[3]; assign sig_117 = B[6] & A[3]; assign sig_118 = B[7] & A[3]; assign sig_119 = sig_76 | sig_111; assign sig_121 = sig_81 | sig_112; assign sig_126 = sig_86 | sig_113; assign sig_131 = sig_91 | sig_114; assign sig_136 = sig_99 | sig_115; assign sig_141 = sig_72 | sig_116; assign sig_147 = sig_106 & sig_117; assign sig_149 = sig_106 | sig_117; assign sig_154 = sig_118 ^ sig_147; assign sig_155 = sig_147 | sig_105; assign sig_156 = B[0] & A[4]; assign sig_157 = B[1] & A[4]; assign sig_158 = B[2] & A[4]; assign sig_159 = B[3] & A[4]; assign sig_160 = B[4] & A[4]; assign sig_161 = B[5] & A[4]; assign sig_162 = B[6] & A[4]; assign sig_163 = B[7] & A[4]; assign sig_164 = sig_121 | sig_156; assign sig_166 = sig_126 | sig_157; assign sig_171 = sig_131 | sig_158; assign sig_176 = sig_136 | sig_159; assign sig_181 = sig_141 | sig_160; assign sig_186 = sig_149 | sig_161; assign sig_187 = sig_149 & sig_161; assign sig_191 = sig_154 ^ sig_162; assign sig_192 = sig_154 & sig_162; assign sig_193 = sig_191 & sig_187; assign sig_194 = sig_191 ^ sig_187; assign sig_195 = sig_192 | sig_193; assign sig_196 = sig_155 ^ sig_163; assign sig_197 = sig_155 & A[4]; assign sig_198 = B[7] & sig_195; assign sig_199 = sig_196 ^ sig_195; assign sig_200 = sig_197 | sig_198; assign sig_201 = B[0] & A[5]; assign sig_202 = B[1] & A[5]; assign sig_203 = B[2] & A[5]; assign sig_204 = B[3] & A[5]; assign sig_205 = B[4] & A[5]; assign sig_206 = B[5] & A[5]; assign sig_207 = B[6] & A[5]; assign sig_208 = B[7] & A[5]; assign sig_209 = sig_166 | sig_201; assign sig_211 = sig_171 | sig_202; assign sig_216 = sig_176 | sig_203; assign sig_221 = sig_181 | sig_204; assign sig_226 = sig_186 | sig_205; assign sig_227 = sig_186 & sig_205; assign sig_231 = sig_194 ^ sig_206; assign sig_232 = sig_194 & sig_206; assign sig_233 = sig_231 & sig_227; assign sig_234 = sig_231 ^ sig_227; assign sig_235 = sig_232 | sig_233; assign sig_236 = sig_199 ^ sig_207; assign sig_237 = sig_199 & sig_207; assign sig_238 = sig_236 & sig_235; assign sig_239 = sig_236 ^ sig_235; assign sig_240 = sig_237 | sig_238; assign sig_241 = sig_200 ^ sig_208; assign sig_242 = sig_200 & sig_208; assign sig_243 = sig_208 & sig_240; assign sig_244 = sig_241 ^ sig_240; assign sig_245 = sig_242 | sig_243; assign sig_246 = B[0] & A[6]; assign sig_247 = B[1] & A[6]; assign sig_248 = B[2] & A[6]; assign sig_249 = B[3] & A[6]; assign sig_250 = B[4] & A[6]; assign sig_251 = B[5] & A[6]; assign sig_252 = B[6] & A[6]; assign sig_253 = B[7] & A[6]; assign sig_254 = sig_211 | sig_246; assign sig_256 = sig_216 | sig_247; assign sig_261 = sig_221 | sig_248; assign sig_266 = sig_226 | sig_249; assign sig_267 = sig_226 & sig_249; assign sig_271 = sig_234 ^ sig_250; assign sig_272 = sig_234 & sig_250; assign sig_273 = sig_271 & sig_267; assign sig_274 = sig_271 ^ sig_267; assign sig_275 = sig_272 | sig_273; assign sig_276 = sig_239 ^ sig_251; assign sig_277 = sig_239 & sig_251; assign sig_278 = sig_276 & sig_275; assign sig_279 = sig_276 ^ sig_275; assign sig_280 = sig_277 | sig_278; assign sig_281 = sig_244 ^ sig_252; assign sig_282 = sig_244 & sig_252; assign sig_283 = sig_281 & sig_280; assign sig_284 = sig_281 ^ sig_280; assign sig_285 = sig_282 | sig_283; assign sig_286 = sig_245 ^ sig_253; assign sig_287 = sig_245 & sig_253; assign sig_288 = B[7] & sig_285; assign sig_289 = sig_286 ^ sig_285; assign sig_290 = sig_287 | sig_288; assign sig_291 = B[0] & A[7]; assign sig_292 = B[1] & A[7]; assign sig_293 = B[2] & A[7]; assign sig_294 = B[3] & A[7]; assign sig_295 = B[4] & A[7]; assign sig_296 = B[5] & A[7]; assign sig_297 = B[6] & A[7]; assign sig_298 = B[7] & A[7]; assign sig_299 = sig_256 | sig_291; assign sig_301 = sig_261 | sig_292; assign sig_306 = sig_266 | sig_293; assign sig_307 = sig_266 & sig_293; assign sig_311 = sig_274 ^ sig_294; assign sig_312 = sig_274 & sig_294; assign sig_313 = sig_311 & sig_307; assign sig_314 = sig_311 ^ sig_307; assign sig_315 = sig_312 | sig_313; assign sig_316 = sig_279 ^ sig_295; assign sig_317 = sig_279 & sig_295; assign sig_318 = sig_316 & sig_315; assign sig_319 = sig_316 ^ sig_315; assign sig_320 = sig_317 | sig_318; assign sig_321 = sig_284 ^ sig_296; assign sig_322 = sig_284 & sig_296; assign sig_323 = sig_321 & sig_320; assign sig_324 = sig_321 ^ sig_320; assign sig_325 = sig_322 | sig_323; assign sig_326 = sig_289 ^ sig_297; assign sig_327 = sig_289 & sig_297; assign sig_328 = sig_326 & sig_325; assign sig_329 = sig_326 ^ sig_325; assign sig_330 = sig_327 | sig_328; assign sig_331 = sig_290 ^ sig_298; assign sig_332 = sig_290 & sig_298; assign sig_333 = B[7] & sig_330; assign sig_334 = sig_331 ^ sig_330; assign sig_335 = sig_332 | sig_333; assign O[15] = sig_335; assign O[14] = sig_334; assign O[13] = sig_329; assign O[12] = sig_324; assign O[11] = sig_319; assign O[10] = sig_314; assign O[9] = sig_306; assign O[8] = sig_301; assign O[7] = sig_299; assign O[6] = sig_254; assign O[5] = sig_209; assign O[4] = sig_164; assign O[3] = sig_119; assign O[2] = sig_74; assign O[1] = sig_32; assign O[0] = sig_16; endmodule