/* * Copyright (c) 2003, 2007-8 Matteo Frigo * Copyright (c) 2003, 2007-8 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * */ /* This file was automatically generated --- DO NOT EDIT */ /* Generated on Sun Jul 12 06:44:42 EDT 2009 */ #include "codelet-rdft.h" #ifdef HAVE_FMA /* Generated by: ../../../genfft/gen_hc2c -fma -reorder-insns -schedule-for-pipeline -compact -variables 4 -pipeline-latency 4 -n 4 -dit -name hc2cf_4 -include hc2cf.h */ /* * This function contains 22 FP additions, 12 FP multiplications, * (or, 16 additions, 6 multiplications, 6 fused multiply/add), * 31 stack variables, 0 constants, and 16 memory accesses */ #include "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(rs)) { E To, Te, Tm, T8, Tw, Ty, Tq, Tk; { E T1, Tv, Tu, T7, Tg, Tj, Tf, Ti, Tp, Th; T1 = Rp[0]; Tv = Rm[0]; { E T3, T6, T2, T5; T3 = Rp[WS(rs, 1)]; T6 = Rm[WS(rs, 1)]; T2 = W[2]; T5 = W[3]; { E Ta, Td, Tc, Tn, Tb, Tt, T4, T9; Ta = Ip[0]; Td = Im[0]; Tt = T2 * T6; T4 = T2 * T3; T9 = W[0]; Tc = W[1]; Tu = FNMS(T5, T3, Tt); T7 = FMA(T5, T6, T4); Tn = T9 * Td; Tb = T9 * Ta; Tg = Ip[WS(rs, 1)]; Tj = Im[WS(rs, 1)]; To = FNMS(Tc, Ta, Tn); Te = FMA(Tc, Td, Tb); Tf = W[4]; Ti = W[5]; } } Tm = T1 - T7; T8 = T1 + T7; Tw = Tu + Tv; Ty = Tv - Tu; Tp = Tf * Tj; Th = Tf * Tg; Tq = FNMS(Ti, Tg, Tp); Tk = FMA(Ti, Tj, Th); } { E Ts, Tr, Tl, Tx; Ts = To + Tq; Tr = To - Tq; Tl = Te + Tk; Tx = Tk - Te; Rp[WS(rs, 1)] = Tm + Tr; Rm[0] = Tm - Tr; Ip[0] = Ts + Tw; Im[WS(rs, 1)] = Ts - Tw; Ip[WS(rs, 1)] = Tx + Ty; Im[0] = Tx - Ty; Rp[0] = T8 + Tl; Rm[WS(rs, 1)] = T8 - Tl; } } } 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 /* HAVE_FMA */ /* Generated by: ../../../genfft/gen_hc2c -compact -variables 4 -pipeline-latency 4 -n 4 -dit -name hc2cf_4 -include 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 "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(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 /* HAVE_FMA */