/* * 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 06:47:04 EDT 2009 */ #include "codelet-rdft.h" #ifdef HAVE_FMA /* Generated by: ../../../genfft/gen_hc2cdft -fma -reorder-insns -schedule-for-pipeline -compact -variables 4 -pipeline-latency 4 -sign 1 -n 2 -dif -name hc2cbdft_2 -include hc2cb.h */ /* * This function contains 10 FP additions, 4 FP multiplications, * (or, 8 additions, 2 multiplications, 2 fused multiply/add), * 11 stack variables, 0 constants, and 8 memory accesses */ #include "hc2cb.h" static void hc2cbdft_2(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) * 2); m < me; m = m + 1, Rp = Rp + ms, Ip = Ip + ms, Rm = Rm - ms, Im = Im - ms, W = W + 2, MAKE_VOLATILE_STRIDE(rs)) { E T9, Ta, T3, Tc, T7, T4; { E T1, T2, T5, T6; T1 = Ip[0]; T2 = Im[0]; T5 = Rp[0]; T6 = Rm[0]; T9 = W[1]; Ta = T1 + T2; T3 = T1 - T2; Tc = T5 + T6; T7 = T5 - T6; T4 = W[0]; } { E Td, T8, Te, Tb; Td = T9 * T7; T8 = T4 * T7; Te = FMA(T4, Ta, Td); Tb = FNMS(T9, Ta, T8); Rm[0] = Tc + Te; Rp[0] = Tc - Te; Im[0] = Tb - T3; Ip[0] = T3 + Tb; } } } static const tw_instr twinstr[] = { {TW_FULL, 1, 2}, {TW_NEXT, 1, 0} }; static const hc2c_desc desc = { 2, "hc2cbdft_2", twinstr, &GENUS, {8, 2, 2, 0} }; void X(codelet_hc2cbdft_2) (planner *p) { X(khc2c_register) (p, hc2cbdft_2, &desc, HC2C_VIA_DFT); } #else /* HAVE_FMA */ /* Generated by: ../../../genfft/gen_hc2cdft -compact -variables 4 -pipeline-latency 4 -sign 1 -n 2 -dif -name hc2cbdft_2 -include hc2cb.h */ /* * This function contains 10 FP additions, 4 FP multiplications, * (or, 8 additions, 2 multiplications, 2 fused multiply/add), * 9 stack variables, 0 constants, and 8 memory accesses */ #include "hc2cb.h" static void hc2cbdft_2(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) * 2); m < me; m = m + 1, Rp = Rp + ms, Ip = Ip + ms, Rm = Rm - ms, Im = Im - ms, W = W + 2, MAKE_VOLATILE_STRIDE(rs)) { E T3, T9, T7, Tb; { E T1, T2, T5, T6; T1 = Ip[0]; T2 = Im[0]; T3 = T1 - T2; T9 = T1 + T2; T5 = Rp[0]; T6 = Rm[0]; T7 = T5 - T6; Tb = T5 + T6; } { E Ta, Tc, T4, T8; T4 = W[0]; T8 = W[1]; Ta = FNMS(T8, T9, T4 * T7); Tc = FMA(T8, T7, T4 * T9); Ip[0] = T3 + Ta; Rp[0] = Tb - Tc; Im[0] = Ta - T3; Rm[0] = Tb + Tc; } } } static const tw_instr twinstr[] = { {TW_FULL, 1, 2}, {TW_NEXT, 1, 0} }; static const hc2c_desc desc = { 2, "hc2cbdft_2", twinstr, &GENUS, {8, 2, 2, 0} }; void X(codelet_hc2cbdft_2) (planner *p) { X(khc2c_register) (p, hc2cbdft_2, &desc, HC2C_VIA_DFT); } #endif /* HAVE_FMA */