/* * 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 10:46:31 EDT 2021 */ #include "rdft/codelet-rdft.h" #if defined(ARCH_PREFERS_FMA) || defined(ISA_EXTENSION_PREFERS_FMA) /* Generated by: ../../../genfft/gen_hc2c.native -fma -compact -variables 4 -pipeline-latency 4 -n 4 -dit -name hc2cf_4 -include rdft/scalar/hc2cf.h */ /* * This function contains 22 FP additions, 12 FP multiplications, * (or, 16 additions, 6 multiplications, 6 fused multiply/add), * 15 stack variables, 0 constants, and 16 memory accesses */ #include "rdft/scalar/hc2cf.h" static void hc2cf_4(R *Rp, R *Ip, R *Rm, R *Im, const R *W, stride rs, INT mb, INT me, INT ms) { { INT m; for (m = mb, W = W + ((mb - 1) * 6); m < me; m = m + 1, Rp = Rp + ms, Ip = Ip + ms, Rm = Rm - ms, Im = Im - ms, W = W + 6, MAKE_VOLATILE_STRIDE(16, rs)) { E T1, Tv, T7, Tu, Te, To, Tk, Tq; T1 = Rp[0]; Tv = Rm[0]; { E T3, T6, T4, Tt, T2, T5; T3 = Rp[WS(rs, 1)]; T6 = Rm[WS(rs, 1)]; T2 = W[2]; T4 = T2 * T3; Tt = T2 * T6; T5 = W[3]; T7 = FMA(T5, T6, T4); Tu = FNMS(T5, T3, Tt); } { E Ta, Td, Tb, Tn, T9, Tc; Ta = Ip[0]; Td = Im[0]; T9 = W[0]; Tb = T9 * Ta; Tn = T9 * Td; Tc = W[1]; Te = FMA(Tc, Td, Tb); To = FNMS(Tc, Ta, Tn); } { E Tg, Tj, Th, Tp, Tf, Ti; Tg = Ip[WS(rs, 1)]; Tj = Im[WS(rs, 1)]; Tf = W[4]; Th = Tf * Tg; Tp = Tf * Tj; Ti = W[5]; Tk = FMA(Ti, Tj, Th); Tq = FNMS(Ti, Tg, Tp); } { E T8, Tl, Ts, Tw; T8 = T1 + T7; Tl = Te + Tk; Rm[WS(rs, 1)] = T8 - Tl; Rp[0] = T8 + Tl; Ts = To + Tq; Tw = Tu + Tv; Im[WS(rs, 1)] = Ts - Tw; Ip[0] = Ts + Tw; } { E Tm, Tr, Tx, Ty; Tm = T1 - T7; Tr = To - Tq; Rm[0] = Tm - Tr; Rp[WS(rs, 1)] = Tm + Tr; Tx = Tk - Te; Ty = Tv - Tu; Im[0] = Tx - Ty; Ip[WS(rs, 1)] = Tx + Ty; } } } } static const tw_instr twinstr[] = { { TW_FULL, 1, 4 }, { TW_NEXT, 1, 0 } }; static const hc2c_desc desc = { 4, "hc2cf_4", twinstr, &GENUS, { 16, 6, 6, 0 } }; void X(codelet_hc2cf_4) (planner *p) { X(khc2c_register) (p, hc2cf_4, &desc, HC2C_VIA_RDFT); } #else /* Generated by: ../../../genfft/gen_hc2c.native -compact -variables 4 -pipeline-latency 4 -n 4 -dit -name hc2cf_4 -include rdft/scalar/hc2cf.h */ /* * This function contains 22 FP additions, 12 FP multiplications, * (or, 16 additions, 6 multiplications, 6 fused multiply/add), * 13 stack variables, 0 constants, and 16 memory accesses */ #include "rdft/scalar/hc2cf.h" static void hc2cf_4(R *Rp, R *Ip, R *Rm, R *Im, const R *W, stride rs, INT mb, INT me, INT ms) { { INT m; for (m = mb, W = W + ((mb - 1) * 6); m < me; m = m + 1, Rp = Rp + ms, Ip = Ip + ms, Rm = Rm - ms, Im = Im - ms, W = W + 6, MAKE_VOLATILE_STRIDE(16, rs)) { E T1, Tp, T6, To, Tc, Tk, Th, Tl; T1 = Rp[0]; Tp = Rm[0]; { E T3, T5, T2, T4; T3 = Rp[WS(rs, 1)]; T5 = Rm[WS(rs, 1)]; T2 = W[2]; T4 = W[3]; T6 = FMA(T2, T3, T4 * T5); To = FNMS(T4, T3, T2 * T5); } { E T9, Tb, T8, Ta; T9 = Ip[0]; Tb = Im[0]; T8 = W[0]; Ta = W[1]; Tc = FMA(T8, T9, Ta * Tb); Tk = FNMS(Ta, T9, T8 * Tb); } { E Te, Tg, Td, Tf; Te = Ip[WS(rs, 1)]; Tg = Im[WS(rs, 1)]; Td = W[4]; Tf = W[5]; Th = FMA(Td, Te, Tf * Tg); Tl = FNMS(Tf, Te, Td * Tg); } { E T7, Ti, Tn, Tq; T7 = T1 + T6; Ti = Tc + Th; Rm[WS(rs, 1)] = T7 - Ti; Rp[0] = T7 + Ti; Tn = Tk + Tl; Tq = To + Tp; Im[WS(rs, 1)] = Tn - Tq; Ip[0] = Tn + Tq; } { E Tj, Tm, Tr, Ts; Tj = T1 - T6; Tm = Tk - Tl; Rm[0] = Tj - Tm; Rp[WS(rs, 1)] = Tj + Tm; Tr = Th - Tc; Ts = Tp - To; Im[0] = Tr - Ts; Ip[WS(rs, 1)] = Tr + Ts; } } } } static const tw_instr twinstr[] = { { TW_FULL, 1, 4 }, { TW_NEXT, 1, 0 } }; static const hc2c_desc desc = { 4, "hc2cf_4", twinstr, &GENUS, { 16, 6, 6, 0 } }; void X(codelet_hc2cf_4) (planner *p) { X(khc2c_register) (p, hc2cf_4, &desc, HC2C_VIA_RDFT); } #endif