/* * 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 10:46:10 EDT 2021 */ #include "rdft/codelet-rdft.h" #if defined(ARCH_PREFERS_FMA) || defined(ISA_EXTENSION_PREFERS_FMA) /* Generated by: ../../../genfft/gen_r2cf.native -fma -compact -variables 4 -pipeline-latency 4 -n 16 -name r2cf_16 -include rdft/scalar/r2cf.h */ /* * This function contains 58 FP additions, 20 FP multiplications, * (or, 38 additions, 0 multiplications, 20 fused multiply/add), * 34 stack variables, 3 constants, and 32 memory accesses */ #include "rdft/scalar/r2cf.h" static void r2cf_16(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs) { DK(KP923879532, +0.923879532511286756128183189396788286822416626); DK(KP707106781, +0.707106781186547524400844362104849039284835938); DK(KP414213562, +0.414213562373095048801688724209698078569671875); { INT i; for (i = v; i > 0; i = i - 1, R0 = R0 + ivs, R1 = R1 + ivs, Cr = Cr + ovs, Ci = Ci + ovs, MAKE_VOLATILE_STRIDE(64, rs), MAKE_VOLATILE_STRIDE(64, csr), MAKE_VOLATILE_STRIDE(64, csi)) { E T3, T6, T7, TN, TB, Ta, Td, Te, TO, TE, Tm, TT, Ty, TI, Tt; E TS, Tz, TL, TC, TD, TR, TU; { E T1, T2, T4, T5; T1 = R0[0]; T2 = R0[WS(rs, 4)]; T3 = T1 + T2; T4 = R0[WS(rs, 2)]; T5 = R0[WS(rs, 6)]; T6 = T4 + T5; T7 = T3 + T6; TN = T4 - T5; TB = T1 - T2; } { E T8, T9, Tb, Tc; T8 = R0[WS(rs, 1)]; T9 = R0[WS(rs, 5)]; Ta = T8 + T9; TC = T8 - T9; Tb = R0[WS(rs, 7)]; Tc = R0[WS(rs, 3)]; Td = Tb + Tc; TD = Tb - Tc; } Te = Ta + Td; TO = TD - TC; TE = TC + TD; { E Ti, TG, Tl, TH; { E Tg, Th, Tj, Tk; Tg = R1[0]; Th = R1[WS(rs, 4)]; Ti = Tg + Th; TG = Tg - Th; Tj = R1[WS(rs, 2)]; Tk = R1[WS(rs, 6)]; Tl = Tj + Tk; TH = Tj - Tk; } Tm = Ti - Tl; TT = FMA(KP414213562, TG, TH); Ty = Ti + Tl; TI = FNMS(KP414213562, TH, TG); } { E Tp, TJ, Ts, TK; { E Tn, To, Tq, Tr; Tn = R1[WS(rs, 7)]; To = R1[WS(rs, 3)]; Tp = Tn + To; TJ = Tn - To; Tq = R1[WS(rs, 1)]; Tr = R1[WS(rs, 5)]; Ts = Tq + Tr; TK = Tr - Tq; } Tt = Tp - Ts; TS = FMA(KP414213562, TJ, TK); Tz = Tp + Ts; TL = FNMS(KP414213562, TK, TJ); } Cr[WS(csr, 4)] = T7 - Te; Ci[WS(csi, 4)] = Tz - Ty; { E Tf, Tu, Tv, Tw; Tf = T3 - T6; Tu = Tm + Tt; Cr[WS(csr, 6)] = FNMS(KP707106781, Tu, Tf); Cr[WS(csr, 2)] = FMA(KP707106781, Tu, Tf); Tv = Td - Ta; Tw = Tt - Tm; Ci[WS(csi, 2)] = FMA(KP707106781, Tw, Tv); Ci[WS(csi, 6)] = FMS(KP707106781, Tw, Tv); } { E Tx, TA, TF, TM; Tx = T7 + Te; TA = Ty + Tz; Cr[WS(csr, 8)] = Tx - TA; Cr[0] = Tx + TA; TF = FMA(KP707106781, TE, TB); TM = TI + TL; Cr[WS(csr, 7)] = FNMS(KP923879532, TM, TF); Cr[WS(csr, 1)] = FMA(KP923879532, TM, TF); } TR = FNMS(KP707106781, TO, TN); TU = TS - TT; Ci[WS(csi, 1)] = FMS(KP923879532, TU, TR); Ci[WS(csi, 7)] = FMA(KP923879532, TU, TR); { E TV, TW, TP, TQ; TV = FNMS(KP707106781, TE, TB); TW = TT + TS; Cr[WS(csr, 5)] = FNMS(KP923879532, TW, TV); Cr[WS(csr, 3)] = FMA(KP923879532, TW, TV); TP = FMA(KP707106781, TO, TN); TQ = TL - TI; Ci[WS(csi, 3)] = FMA(KP923879532, TQ, TP); Ci[WS(csi, 5)] = FMS(KP923879532, TQ, TP); } } } } static const kr2c_desc desc = { 16, "r2cf_16", { 38, 0, 20, 0 }, &GENUS }; void X(codelet_r2cf_16) (planner *p) { X(kr2c_register) (p, r2cf_16, &desc); } #else /* Generated by: ../../../genfft/gen_r2cf.native -compact -variables 4 -pipeline-latency 4 -n 16 -name r2cf_16 -include rdft/scalar/r2cf.h */ /* * This function contains 58 FP additions, 12 FP multiplications, * (or, 54 additions, 8 multiplications, 4 fused multiply/add), * 34 stack variables, 3 constants, and 32 memory accesses */ #include "rdft/scalar/r2cf.h" static void r2cf_16(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs) { DK(KP923879532, +0.923879532511286756128183189396788286822416626); DK(KP382683432, +0.382683432365089771728459984030398866761344562); DK(KP707106781, +0.707106781186547524400844362104849039284835938); { INT i; for (i = v; i > 0; i = i - 1, R0 = R0 + ivs, R1 = R1 + ivs, Cr = Cr + ovs, Ci = Ci + ovs, MAKE_VOLATILE_STRIDE(64, rs), MAKE_VOLATILE_STRIDE(64, csr), MAKE_VOLATILE_STRIDE(64, csi)) { E T3, T6, T7, Tz, Ti, Ta, Td, Te, TA, Th, Tq, TV, TF, TP, Tx; E TU, TE, TM, Tg, Tf, TJ, TQ; { E T1, T2, T4, T5; T1 = R0[0]; T2 = R0[WS(rs, 4)]; T3 = T1 + T2; T4 = R0[WS(rs, 2)]; T5 = R0[WS(rs, 6)]; T6 = T4 + T5; T7 = T3 + T6; Tz = T1 - T2; Ti = T4 - T5; } { E T8, T9, Tb, Tc; T8 = R0[WS(rs, 1)]; T9 = R0[WS(rs, 5)]; Ta = T8 + T9; Tg = T8 - T9; Tb = R0[WS(rs, 7)]; Tc = R0[WS(rs, 3)]; Td = Tb + Tc; Tf = Tb - Tc; } Te = Ta + Td; TA = KP707106781 * (Tg + Tf); Th = KP707106781 * (Tf - Tg); { E Tm, TN, Tp, TO; { E Tk, Tl, Tn, To; Tk = R1[WS(rs, 7)]; Tl = R1[WS(rs, 3)]; Tm = Tk - Tl; TN = Tk + Tl; Tn = R1[WS(rs, 1)]; To = R1[WS(rs, 5)]; Tp = Tn - To; TO = Tn + To; } Tq = FNMS(KP923879532, Tp, KP382683432 * Tm); TV = TN + TO; TF = FMA(KP923879532, Tm, KP382683432 * Tp); TP = TN - TO; } { E Tt, TK, Tw, TL; { E Tr, Ts, Tu, Tv; Tr = R1[0]; Ts = R1[WS(rs, 4)]; Tt = Tr - Ts; TK = Tr + Ts; Tu = R1[WS(rs, 2)]; Tv = R1[WS(rs, 6)]; Tw = Tu - Tv; TL = Tu + Tv; } Tx = FMA(KP382683432, Tt, KP923879532 * Tw); TU = TK + TL; TE = FNMS(KP382683432, Tw, KP923879532 * Tt); TM = TK - TL; } Cr[WS(csr, 4)] = T7 - Te; Ci[WS(csi, 4)] = TV - TU; { E Tj, Ty, TD, TG; Tj = Th - Ti; Ty = Tq - Tx; Ci[WS(csi, 1)] = Tj + Ty; Ci[WS(csi, 7)] = Ty - Tj; TD = Tz + TA; TG = TE + TF; Cr[WS(csr, 7)] = TD - TG; Cr[WS(csr, 1)] = TD + TG; } { E TB, TC, TH, TI; TB = Tz - TA; TC = Tx + Tq; Cr[WS(csr, 5)] = TB - TC; Cr[WS(csr, 3)] = TB + TC; TH = Ti + Th; TI = TF - TE; Ci[WS(csi, 3)] = TH + TI; Ci[WS(csi, 5)] = TI - TH; } TJ = T3 - T6; TQ = KP707106781 * (TM + TP); Cr[WS(csr, 6)] = TJ - TQ; Cr[WS(csr, 2)] = TJ + TQ; { E TR, TS, TT, TW; TR = Td - Ta; TS = KP707106781 * (TP - TM); Ci[WS(csi, 2)] = TR + TS; Ci[WS(csi, 6)] = TS - TR; TT = T7 + Te; TW = TU + TV; Cr[WS(csr, 8)] = TT - TW; Cr[0] = TT + TW; } } } } static const kr2c_desc desc = { 16, "r2cf_16", { 54, 8, 4, 0 }, &GENUS }; void X(codelet_r2cf_16) (planner *p) { X(kr2c_register) (p, r2cf_16, &desc); } #endif