cannam@167: /* cannam@167: * Copyright (c) 2003, 2007-14 Matteo Frigo cannam@167: * Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology cannam@167: * cannam@167: * This program is free software; you can redistribute it and/or modify cannam@167: * it under the terms of the GNU General Public License as published by cannam@167: * the Free Software Foundation; either version 2 of the License, or cannam@167: * (at your option) any later version. cannam@167: * cannam@167: * This program is distributed in the hope that it will be useful, cannam@167: * but WITHOUT ANY WARRANTY; without even the implied warranty of cannam@167: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the cannam@167: * GNU General Public License for more details. cannam@167: * cannam@167: * You should have received a copy of the GNU General Public License cannam@167: * along with this program; if not, write to the Free Software cannam@167: * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA cannam@167: * cannam@167: */ cannam@167: cannam@167: /* This file was automatically generated --- DO NOT EDIT */ cannam@167: /* Generated on Thu May 24 08:04:13 EDT 2018 */ cannam@167: cannam@167: #include "dft/codelet-dft.h" cannam@167: cannam@167: #if defined(ARCH_PREFERS_FMA) || defined(ISA_EXTENSION_PREFERS_FMA) cannam@167: cannam@167: /* Generated by: ../../../genfft/gen_twiddle.native -fma -compact -variables 4 -pipeline-latency 4 -n 6 -name t1_6 -include dft/scalar/t.h */ cannam@167: cannam@167: /* cannam@167: * This function contains 46 FP additions, 32 FP multiplications, cannam@167: * (or, 24 additions, 10 multiplications, 22 fused multiply/add), cannam@167: * 31 stack variables, 2 constants, and 24 memory accesses cannam@167: */ cannam@167: #include "dft/scalar/t.h" cannam@167: cannam@167: static void t1_6(R *ri, R *ii, const R *W, stride rs, INT mb, INT me, INT ms) cannam@167: { cannam@167: DK(KP866025403, +0.866025403784438646763723170752936183471402627); cannam@167: DK(KP500000000, +0.500000000000000000000000000000000000000000000); cannam@167: { cannam@167: INT m; cannam@167: 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)) { cannam@167: E T1, TX, T7, TW, Tl, TR, TB, TJ, Ty, TS, TC, TO; cannam@167: T1 = ri[0]; cannam@167: TX = ii[0]; cannam@167: { cannam@167: E T3, T6, T4, TV, T2, T5; cannam@167: T3 = ri[WS(rs, 3)]; cannam@167: T6 = ii[WS(rs, 3)]; cannam@167: T2 = W[4]; cannam@167: T4 = T2 * T3; cannam@167: TV = T2 * T6; cannam@167: T5 = W[5]; cannam@167: T7 = FMA(T5, T6, T4); cannam@167: TW = FNMS(T5, T3, TV); cannam@167: } cannam@167: { cannam@167: E Ta, Td, Tb, TF, Tg, Tj, Th, TH, T9, Tf; cannam@167: Ta = ri[WS(rs, 2)]; cannam@167: Td = ii[WS(rs, 2)]; cannam@167: T9 = W[2]; cannam@167: Tb = T9 * Ta; cannam@167: TF = T9 * Td; cannam@167: Tg = ri[WS(rs, 5)]; cannam@167: Tj = ii[WS(rs, 5)]; cannam@167: Tf = W[8]; cannam@167: Th = Tf * Tg; cannam@167: TH = Tf * Tj; cannam@167: { cannam@167: E Te, TG, Tk, TI, Tc, Ti; cannam@167: Tc = W[3]; cannam@167: Te = FMA(Tc, Td, Tb); cannam@167: TG = FNMS(Tc, Ta, TF); cannam@167: Ti = W[9]; cannam@167: Tk = FMA(Ti, Tj, Th); cannam@167: TI = FNMS(Ti, Tg, TH); cannam@167: Tl = Te - Tk; cannam@167: TR = TG + TI; cannam@167: TB = Te + Tk; cannam@167: TJ = TG - TI; cannam@167: } cannam@167: } cannam@167: { cannam@167: E Tn, Tq, To, TK, Tt, Tw, Tu, TM, Tm, Ts; cannam@167: Tn = ri[WS(rs, 4)]; cannam@167: Tq = ii[WS(rs, 4)]; cannam@167: Tm = W[6]; cannam@167: To = Tm * Tn; cannam@167: TK = Tm * Tq; cannam@167: Tt = ri[WS(rs, 1)]; cannam@167: Tw = ii[WS(rs, 1)]; cannam@167: Ts = W[0]; cannam@167: Tu = Ts * Tt; cannam@167: TM = Ts * Tw; cannam@167: { cannam@167: E Tr, TL, Tx, TN, Tp, Tv; cannam@167: Tp = W[7]; cannam@167: Tr = FMA(Tp, Tq, To); cannam@167: TL = FNMS(Tp, Tn, TK); cannam@167: Tv = W[1]; cannam@167: Tx = FMA(Tv, Tw, Tu); cannam@167: TN = FNMS(Tv, Tt, TM); cannam@167: Ty = Tr - Tx; cannam@167: TS = TL + TN; cannam@167: TC = Tr + Tx; cannam@167: TO = TL - TN; cannam@167: } cannam@167: } cannam@167: { cannam@167: E TP, T8, Tz, TE; cannam@167: TP = TJ - TO; cannam@167: T8 = T1 - T7; cannam@167: Tz = Tl + Ty; cannam@167: TE = FNMS(KP500000000, Tz, T8); cannam@167: ri[WS(rs, 3)] = T8 + Tz; cannam@167: ri[WS(rs, 1)] = FMA(KP866025403, TP, TE); cannam@167: ri[WS(rs, 5)] = FNMS(KP866025403, TP, TE); cannam@167: } cannam@167: { cannam@167: E T14, T11, T12, T13; cannam@167: T14 = Ty - Tl; cannam@167: T11 = TX - TW; cannam@167: T12 = TJ + TO; cannam@167: T13 = FNMS(KP500000000, T12, T11); cannam@167: ii[WS(rs, 1)] = FMA(KP866025403, T14, T13); cannam@167: ii[WS(rs, 3)] = T12 + T11; cannam@167: ii[WS(rs, 5)] = FNMS(KP866025403, T14, T13); cannam@167: } cannam@167: { cannam@167: E TT, TA, TD, TQ; cannam@167: TT = TR - TS; cannam@167: TA = T1 + T7; cannam@167: TD = TB + TC; cannam@167: TQ = FNMS(KP500000000, TD, TA); cannam@167: ri[0] = TA + TD; cannam@167: ri[WS(rs, 4)] = FMA(KP866025403, TT, TQ); cannam@167: ri[WS(rs, 2)] = FNMS(KP866025403, TT, TQ); cannam@167: } cannam@167: { cannam@167: E T10, TU, TY, TZ; cannam@167: T10 = TC - TB; cannam@167: TU = TR + TS; cannam@167: TY = TW + TX; cannam@167: TZ = FNMS(KP500000000, TU, TY); cannam@167: ii[0] = TU + TY; cannam@167: ii[WS(rs, 4)] = FMA(KP866025403, T10, TZ); cannam@167: ii[WS(rs, 2)] = FNMS(KP866025403, T10, TZ); cannam@167: } cannam@167: } cannam@167: } cannam@167: } cannam@167: cannam@167: static const tw_instr twinstr[] = { cannam@167: {TW_FULL, 0, 6}, cannam@167: {TW_NEXT, 1, 0} cannam@167: }; cannam@167: cannam@167: static const ct_desc desc = { 6, "t1_6", twinstr, &GENUS, {24, 10, 22, 0}, 0, 0, 0 }; cannam@167: cannam@167: void X(codelet_t1_6) (planner *p) { cannam@167: X(kdft_dit_register) (p, t1_6, &desc); cannam@167: } cannam@167: #else cannam@167: cannam@167: /* Generated by: ../../../genfft/gen_twiddle.native -compact -variables 4 -pipeline-latency 4 -n 6 -name t1_6 -include dft/scalar/t.h */ cannam@167: cannam@167: /* cannam@167: * This function contains 46 FP additions, 28 FP multiplications, cannam@167: * (or, 32 additions, 14 multiplications, 14 fused multiply/add), cannam@167: * 23 stack variables, 2 constants, and 24 memory accesses cannam@167: */ cannam@167: #include "dft/scalar/t.h" cannam@167: cannam@167: static void t1_6(R *ri, R *ii, const R *W, stride rs, INT mb, INT me, INT ms) cannam@167: { cannam@167: DK(KP500000000, +0.500000000000000000000000000000000000000000000); cannam@167: DK(KP866025403, +0.866025403784438646763723170752936183471402627); cannam@167: { cannam@167: INT m; cannam@167: 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)) { cannam@167: E T7, TS, Tv, TO, Tt, TJ, Tx, TF, Ti, TI, Tw, TC; cannam@167: { cannam@167: E T1, TN, T6, TM; cannam@167: T1 = ri[0]; cannam@167: TN = ii[0]; cannam@167: { cannam@167: E T3, T5, T2, T4; cannam@167: T3 = ri[WS(rs, 3)]; cannam@167: T5 = ii[WS(rs, 3)]; cannam@167: T2 = W[4]; cannam@167: T4 = W[5]; cannam@167: T6 = FMA(T2, T3, T4 * T5); cannam@167: TM = FNMS(T4, T3, T2 * T5); cannam@167: } cannam@167: T7 = T1 - T6; cannam@167: TS = TN - TM; cannam@167: Tv = T1 + T6; cannam@167: TO = TM + TN; cannam@167: } cannam@167: { cannam@167: E Tn, TD, Ts, TE; cannam@167: { cannam@167: E Tk, Tm, Tj, Tl; cannam@167: Tk = ri[WS(rs, 4)]; cannam@167: Tm = ii[WS(rs, 4)]; cannam@167: Tj = W[6]; cannam@167: Tl = W[7]; cannam@167: Tn = FMA(Tj, Tk, Tl * Tm); cannam@167: TD = FNMS(Tl, Tk, Tj * Tm); cannam@167: } cannam@167: { cannam@167: E Tp, Tr, To, Tq; cannam@167: Tp = ri[WS(rs, 1)]; cannam@167: Tr = ii[WS(rs, 1)]; cannam@167: To = W[0]; cannam@167: Tq = W[1]; cannam@167: Ts = FMA(To, Tp, Tq * Tr); cannam@167: TE = FNMS(Tq, Tp, To * Tr); cannam@167: } cannam@167: Tt = Tn - Ts; cannam@167: TJ = TD + TE; cannam@167: Tx = Tn + Ts; cannam@167: TF = TD - TE; cannam@167: } cannam@167: { cannam@167: E Tc, TA, Th, TB; cannam@167: { cannam@167: E T9, Tb, T8, Ta; cannam@167: T9 = ri[WS(rs, 2)]; cannam@167: Tb = ii[WS(rs, 2)]; cannam@167: T8 = W[2]; cannam@167: Ta = W[3]; cannam@167: Tc = FMA(T8, T9, Ta * Tb); cannam@167: TA = FNMS(Ta, T9, T8 * Tb); cannam@167: } cannam@167: { cannam@167: E Te, Tg, Td, Tf; cannam@167: Te = ri[WS(rs, 5)]; cannam@167: Tg = ii[WS(rs, 5)]; cannam@167: Td = W[8]; cannam@167: Tf = W[9]; cannam@167: Th = FMA(Td, Te, Tf * Tg); cannam@167: TB = FNMS(Tf, Te, Td * Tg); cannam@167: } cannam@167: Ti = Tc - Th; cannam@167: TI = TA + TB; cannam@167: Tw = Tc + Th; cannam@167: TC = TA - TB; cannam@167: } cannam@167: { cannam@167: E TG, Tu, Tz, TR, TT, TU; cannam@167: TG = KP866025403 * (TC - TF); cannam@167: Tu = Ti + Tt; cannam@167: Tz = FNMS(KP500000000, Tu, T7); cannam@167: ri[WS(rs, 3)] = T7 + Tu; cannam@167: ri[WS(rs, 1)] = Tz + TG; cannam@167: ri[WS(rs, 5)] = Tz - TG; cannam@167: TR = KP866025403 * (Tt - Ti); cannam@167: TT = TC + TF; cannam@167: TU = FNMS(KP500000000, TT, TS); cannam@167: ii[WS(rs, 1)] = TR + TU; cannam@167: ii[WS(rs, 3)] = TT + TS; cannam@167: ii[WS(rs, 5)] = TU - TR; cannam@167: } cannam@167: { cannam@167: E TK, Ty, TH, TQ, TL, TP; cannam@167: TK = KP866025403 * (TI - TJ); cannam@167: Ty = Tw + Tx; cannam@167: TH = FNMS(KP500000000, Ty, Tv); cannam@167: ri[0] = Tv + Ty; cannam@167: ri[WS(rs, 4)] = TH + TK; cannam@167: ri[WS(rs, 2)] = TH - TK; cannam@167: TQ = KP866025403 * (Tx - Tw); cannam@167: TL = TI + TJ; cannam@167: TP = FNMS(KP500000000, TL, TO); cannam@167: ii[0] = TL + TO; cannam@167: ii[WS(rs, 4)] = TQ + TP; cannam@167: ii[WS(rs, 2)] = TP - TQ; cannam@167: } cannam@167: } cannam@167: } cannam@167: } cannam@167: cannam@167: static const tw_instr twinstr[] = { cannam@167: {TW_FULL, 0, 6}, cannam@167: {TW_NEXT, 1, 0} cannam@167: }; cannam@167: cannam@167: static const ct_desc desc = { 6, "t1_6", twinstr, &GENUS, {32, 14, 14, 0}, 0, 0, 0 }; cannam@167: cannam@167: void X(codelet_t1_6) (planner *p) { cannam@167: X(kdft_dit_register) (p, t1_6, &desc); cannam@167: } cannam@167: #endif