/* * 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 06:43:40 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 r2cf_6 -include r2cf.h */ /* * This function contains 14 FP additions, 4 FP multiplications, * (or, 12 additions, 2 multiplications, 2 fused multiply/add), * 13 stack variables, 2 constants, and 12 memory accesses */ #include "r2cf.h" static void r2cf_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 T4, Td, T3, Tc, T9, T5; { E T1, T2, T7, T8; T1 = R0[0]; T2 = R1[WS(rs, 1)]; T7 = R0[WS(rs, 2)]; T8 = R1[0]; T4 = R0[WS(rs, 1)]; Td = T1 + T2; T3 = T1 - T2; Tc = T7 + T8; T9 = T7 - T8; T5 = R1[WS(rs, 2)]; } { E T6, Tb, Te, Ta; T6 = T4 - T5; Tb = T4 + T5; Te = Tb + Tc; Ci[WS(csi, 2)] = KP866025403 * (Tb - Tc); Ta = T6 + T9; Ci[WS(csi, 1)] = KP866025403 * (T9 - T6); Cr[0] = Td + Te; Cr[WS(csr, 2)] = FNMS(KP500000000, Te, Td); Cr[WS(csr, 3)] = T3 + Ta; Cr[WS(csr, 1)] = FNMS(KP500000000, Ta, T3); } } } static const kr2c_desc desc = { 6, "r2cf_6", {12, 2, 2, 0}, &GENUS }; void X(codelet_r2cf_6) (planner *p) { X(kr2c_register) (p, r2cf_6, &desc); } #else /* HAVE_FMA */ /* Generated by: ../../../genfft/gen_r2cf -compact -variables 4 -pipeline-latency 4 -n 6 -name r2cf_6 -include r2cf.h */ /* * This function contains 14 FP additions, 4 FP multiplications, * (or, 12 additions, 2 multiplications, 2 fused multiply/add), * 17 stack variables, 2 constants, and 12 memory accesses */ #include "r2cf.h" static void r2cf_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 T3, Td, T9, Tc, T6, Tb, T1, T2, Ta, Te; T1 = R0[0]; T2 = R1[WS(rs, 1)]; T3 = T1 - T2; Td = T1 + T2; { E T7, T8, T4, T5; T7 = R0[WS(rs, 2)]; T8 = R1[0]; T9 = T7 - T8; Tc = T7 + T8; T4 = R0[WS(rs, 1)]; T5 = R1[WS(rs, 2)]; T6 = T4 - T5; Tb = T4 + T5; } Ci[WS(csi, 1)] = KP866025403 * (T9 - T6); Ta = T6 + T9; Cr[WS(csr, 1)] = FNMS(KP500000000, Ta, T3); Cr[WS(csr, 3)] = T3 + Ta; Ci[WS(csi, 2)] = KP866025403 * (Tb - Tc); Te = Tb + Tc; Cr[WS(csr, 2)] = FNMS(KP500000000, Te, Td); Cr[0] = Td + Te; } } static const kr2c_desc desc = { 6, "r2cf_6", {12, 2, 2, 0}, &GENUS }; void X(codelet_r2cf_6) (planner *p) { X(kr2c_register) (p, r2cf_6, &desc); } #endif /* HAVE_FMA */