/* * 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 06:44:21 EDT 2009 */ #include "codelet-rdft.h" #ifdef HAVE_FMA /* Generated by: ../../../genfft/gen_r2cf -fma -reorder-insns -schedule-for-pipeline -compact -variables 4 -pipeline-latency 4 -n 6 -name r2cfII_6 -dft-II -include r2cfII.h */ /* * This function contains 13 FP additions, 6 FP multiplications, * (or, 7 additions, 0 multiplications, 6 fused multiply/add), * 15 stack variables, 2 constants, and 12 memory accesses */ #include "r2cfII.h" static void r2cfII_6(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs) { DK(KP866025403, +0.866025403784438646763723170752936183471402627); DK(KP500000000, +0.500000000000000000000000000000000000000000000); 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(rs), MAKE_VOLATILE_STRIDE(csr), MAKE_VOLATILE_STRIDE(csi)) { E T1, T9, T2, T3, T6, T7; T1 = R0[0]; T9 = R1[WS(rs, 1)]; T2 = R0[WS(rs, 2)]; T3 = R0[WS(rs, 1)]; T6 = R1[WS(rs, 2)]; T7 = R1[0]; { E Tc, T4, Ta, T8, T5, Tb; Cr[WS(csr, 1)] = T1 + T2 - T3; Tc = T2 + T3; T4 = T3 - T2; Ta = T6 + T7; T8 = T6 - T7; T5 = FMA(KP500000000, T4, T1); Tb = FMA(KP500000000, Ta, T9); Ci[WS(csi, 1)] = T9 - Ta; Cr[WS(csr, 2)] = FMA(KP866025403, T8, T5); Cr[0] = FNMS(KP866025403, T8, T5); Ci[WS(csi, 2)] = FMS(KP866025403, Tc, Tb); Ci[0] = -(FMA(KP866025403, Tc, Tb)); } } } static const kr2c_desc desc = { 6, "r2cfII_6", {7, 0, 6, 0}, &GENUS }; void X(codelet_r2cfII_6) (planner *p) { X(kr2c_register) (p, r2cfII_6, &desc); } #else /* HAVE_FMA */ /* Generated by: ../../../genfft/gen_r2cf -compact -variables 4 -pipeline-latency 4 -n 6 -name r2cfII_6 -dft-II -include r2cfII.h */ /* * This function contains 13 FP additions, 4 FP multiplications, * (or, 11 additions, 2 multiplications, 2 fused multiply/add), * 14 stack variables, 2 constants, and 12 memory accesses */ #include "r2cfII.h" static void r2cfII_6(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs) { DK(KP500000000, +0.500000000000000000000000000000000000000000000); DK(KP866025403, +0.866025403784438646763723170752936183471402627); 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(rs), MAKE_VOLATILE_STRIDE(csr), MAKE_VOLATILE_STRIDE(csi)) { E Ta, T7, T9, T1, T3, T2, T8, T4, T5, T6, Tb; Ta = R1[WS(rs, 1)]; T5 = R1[WS(rs, 2)]; T6 = R1[0]; T7 = KP866025403 * (T5 - T6); T9 = T5 + T6; T1 = R0[0]; T3 = R0[WS(rs, 1)]; T2 = R0[WS(rs, 2)]; T8 = KP866025403 * (T2 + T3); T4 = FMA(KP500000000, T3 - T2, T1); Cr[0] = T4 - T7; Cr[WS(csr, 2)] = T4 + T7; Ci[WS(csi, 1)] = Ta - T9; Cr[WS(csr, 1)] = T1 + T2 - T3; Tb = FMA(KP500000000, T9, Ta); Ci[0] = -(T8 + Tb); Ci[WS(csi, 2)] = T8 - Tb; } } static const kr2c_desc desc = { 6, "r2cfII_6", {11, 2, 2, 0}, &GENUS }; void X(codelet_r2cfII_6) (planner *p) { X(kr2c_register) (p, r2cfII_6, &desc); } #endif /* HAVE_FMA */