/* * Copyright (c) 2003, 2007-14 Matteo Frigo * Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * */ /* This file was automatically generated --- DO NOT EDIT */ /* Generated on Tue Sep 14 10:44:27 EDT 2021 */ #include "dft/codelet-dft.h" #if defined(ARCH_PREFERS_FMA) || defined(ISA_EXTENSION_PREFERS_FMA) /* Generated by: ../../../genfft/gen_twiddle.native -fma -compact -variables 4 -pipeline-latency 4 -n 6 -name t1_6 -include dft/scalar/t.h */ /* * This function contains 46 FP additions, 32 FP multiplications, * (or, 24 additions, 10 multiplications, 22 fused multiply/add), * 31 stack variables, 2 constants, and 24 memory accesses */ #include "dft/scalar/t.h" static void t1_6(R *ri, R *ii, const R *W, stride rs, INT mb, INT me, INT ms) { DK(KP866025403, +0.866025403784438646763723170752936183471402627); DK(KP500000000, +0.500000000000000000000000000000000000000000000); { INT m; for (m = mb, W = W + (mb * 10); m < me; m = m + 1, ri = ri + ms, ii = ii + ms, W = W + 10, MAKE_VOLATILE_STRIDE(12, rs)) { E T1, TX, T7, TW, Tl, TR, TB, TJ, Ty, TS, TC, TO; T1 = ri[0]; TX = ii[0]; { E T3, T6, T4, TV, T2, T5; T3 = ri[WS(rs, 3)]; T6 = ii[WS(rs, 3)]; T2 = W[4]; T4 = T2 * T3; TV = T2 * T6; T5 = W[5]; T7 = FMA(T5, T6, T4); TW = FNMS(T5, T3, TV); } { E Ta, Td, Tb, TF, Tg, Tj, Th, TH, T9, Tf; Ta = ri[WS(rs, 2)]; Td = ii[WS(rs, 2)]; T9 = W[2]; Tb = T9 * Ta; TF = T9 * Td; Tg = ri[WS(rs, 5)]; Tj = ii[WS(rs, 5)]; Tf = W[8]; Th = Tf * Tg; TH = Tf * Tj; { E Te, TG, Tk, TI, Tc, Ti; Tc = W[3]; Te = FMA(Tc, Td, Tb); TG = FNMS(Tc, Ta, TF); Ti = W[9]; Tk = FMA(Ti, Tj, Th); TI = FNMS(Ti, Tg, TH); Tl = Te - Tk; TR = TG + TI; TB = Te + Tk; TJ = TG - TI; } } { E Tn, Tq, To, TK, Tt, Tw, Tu, TM, Tm, Ts; Tn = ri[WS(rs, 4)]; Tq = ii[WS(rs, 4)]; Tm = W[6]; To = Tm * Tn; TK = Tm * Tq; Tt = ri[WS(rs, 1)]; Tw = ii[WS(rs, 1)]; Ts = W[0]; Tu = Ts * Tt; TM = Ts * Tw; { E Tr, TL, Tx, TN, Tp, Tv; Tp = W[7]; Tr = FMA(Tp, Tq, To); TL = FNMS(Tp, Tn, TK); Tv = W[1]; Tx = FMA(Tv, Tw, Tu); TN = FNMS(Tv, Tt, TM); Ty = Tr - Tx; TS = TL + TN; TC = Tr + Tx; TO = TL - TN; } } { E TP, T8, Tz, TE; TP = TJ - TO; T8 = T1 - T7; Tz = Tl + Ty; TE = FNMS(KP500000000, Tz, T8); ri[WS(rs, 3)] = T8 + Tz; ri[WS(rs, 1)] = FMA(KP866025403, TP, TE); ri[WS(rs, 5)] = FNMS(KP866025403, TP, TE); } { E T14, T11, T12, T13; T14 = Ty - Tl; T11 = TX - TW; T12 = TJ + TO; T13 = FNMS(KP500000000, T12, T11); ii[WS(rs, 1)] = FMA(KP866025403, T14, T13); ii[WS(rs, 3)] = T12 + T11; ii[WS(rs, 5)] = FNMS(KP866025403, T14, T13); } { E TT, TA, TD, TQ; TT = TR - TS; TA = T1 + T7; TD = TB + TC; TQ = FNMS(KP500000000, TD, TA); ri[0] = TA + TD; ri[WS(rs, 4)] = FMA(KP866025403, TT, TQ); ri[WS(rs, 2)] = FNMS(KP866025403, TT, TQ); } { E T10, TU, TY, TZ; T10 = TC - TB; TU = TR + TS; TY = TW + TX; TZ = FNMS(KP500000000, TU, TY); ii[0] = TU + TY; ii[WS(rs, 4)] = FMA(KP866025403, T10, TZ); ii[WS(rs, 2)] = FNMS(KP866025403, T10, TZ); } } } } static const tw_instr twinstr[] = { { TW_FULL, 0, 6 }, { TW_NEXT, 1, 0 } }; static const ct_desc desc = { 6, "t1_6", twinstr, &GENUS, { 24, 10, 22, 0 }, 0, 0, 0 }; void X(codelet_t1_6) (planner *p) { X(kdft_dit_register) (p, t1_6, &desc); } #else /* Generated by: ../../../genfft/gen_twiddle.native -compact -variables 4 -pipeline-latency 4 -n 6 -name t1_6 -include dft/scalar/t.h */ /* * This function contains 46 FP additions, 28 FP multiplications, * (or, 32 additions, 14 multiplications, 14 fused multiply/add), * 23 stack variables, 2 constants, and 24 memory accesses */ #include "dft/scalar/t.h" static void t1_6(R *ri, R *ii, const R *W, stride rs, INT mb, INT me, INT ms) { DK(KP500000000, +0.500000000000000000000000000000000000000000000); DK(KP866025403, +0.866025403784438646763723170752936183471402627); { INT m; for (m = mb, W = W + (mb * 10); m < me; m = m + 1, ri = ri + ms, ii = ii + ms, W = W + 10, MAKE_VOLATILE_STRIDE(12, rs)) { E T7, TS, Tv, TO, Tt, TJ, Tx, TF, Ti, TI, Tw, TC; { E T1, TN, T6, TM; T1 = ri[0]; TN = ii[0]; { E T3, T5, T2, T4; T3 = ri[WS(rs, 3)]; T5 = ii[WS(rs, 3)]; T2 = W[4]; T4 = W[5]; T6 = FMA(T2, T3, T4 * T5); TM = FNMS(T4, T3, T2 * T5); } T7 = T1 - T6; TS = TN - TM; Tv = T1 + T6; TO = TM + TN; } { E Tn, TD, Ts, TE; { E Tk, Tm, Tj, Tl; Tk = ri[WS(rs, 4)]; Tm = ii[WS(rs, 4)]; Tj = W[6]; Tl = W[7]; Tn = FMA(Tj, Tk, Tl * Tm); TD = FNMS(Tl, Tk, Tj * Tm); } { E Tp, Tr, To, Tq; Tp = ri[WS(rs, 1)]; Tr = ii[WS(rs, 1)]; To = W[0]; Tq = W[1]; Ts = FMA(To, Tp, Tq * Tr); TE = FNMS(Tq, Tp, To * Tr); } Tt = Tn - Ts; TJ = TD + TE; Tx = Tn + Ts; TF = TD - TE; } { E Tc, TA, Th, TB; { E T9, Tb, T8, Ta; T9 = ri[WS(rs, 2)]; Tb = ii[WS(rs, 2)]; T8 = W[2]; Ta = W[3]; Tc = FMA(T8, T9, Ta * Tb); TA = FNMS(Ta, T9, T8 * Tb); } { E Te, Tg, Td, Tf; Te = ri[WS(rs, 5)]; Tg = ii[WS(rs, 5)]; Td = W[8]; Tf = W[9]; Th = FMA(Td, Te, Tf * Tg); TB = FNMS(Tf, Te, Td * Tg); } Ti = Tc - Th; TI = TA + TB; Tw = Tc + Th; TC = TA - TB; } { E TG, Tu, Tz, TR, TT, TU; TG = KP866025403 * (TC - TF); Tu = Ti + Tt; Tz = FNMS(KP500000000, Tu, T7); ri[WS(rs, 3)] = T7 + Tu; ri[WS(rs, 1)] = Tz + TG; ri[WS(rs, 5)] = Tz - TG; TR = KP866025403 * (Tt - Ti); TT = TC + TF; TU = FNMS(KP500000000, TT, TS); ii[WS(rs, 1)] = TR + TU; ii[WS(rs, 3)] = TT + TS; ii[WS(rs, 5)] = TU - TR; } { E TK, Ty, TH, TQ, TL, TP; TK = KP866025403 * (TI - TJ); Ty = Tw + Tx; TH = FNMS(KP500000000, Ty, Tv); ri[0] = Tv + Ty; ri[WS(rs, 4)] = TH + TK; ri[WS(rs, 2)] = TH - TK; TQ = KP866025403 * (Tx - Tw); TL = TI + TJ; TP = FNMS(KP500000000, TL, TO); ii[0] = TL + TO; ii[WS(rs, 4)] = TQ + TP; ii[WS(rs, 2)] = TP - TQ; } } } } static const tw_instr twinstr[] = { { TW_FULL, 0, 6 }, { TW_NEXT, 1, 0 } }; static const ct_desc desc = { 6, "t1_6", twinstr, &GENUS, { 32, 14, 14, 0 }, 0, 0, 0 }; void X(codelet_t1_6) (planner *p) { X(kdft_dit_register) (p, t1_6, &desc); } #endif