/* * 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 06:46:20 EDT 2009 */ #include "codelet-rdft.h" #ifdef HAVE_FMA /* Generated by: ../../../genfft/gen_r2cb -fma -reorder-insns -schedule-for-pipeline -compact -variables 4 -pipeline-latency 4 -sign 1 -n 4 -name r2cbIII_4 -dft-III -include r2cbIII.h */ /* * This function contains 6 FP additions, 4 FP multiplications, * (or, 6 additions, 4 multiplications, 0 fused multiply/add), * 9 stack variables, 2 constants, and 8 memory accesses */ #include "r2cbIII.h" static void r2cbIII_4(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs) { DK(KP1_414213562, +1.414213562373095048801688724209698078569671875); DK(KP2_000000000, +2.000000000000000000000000000000000000000000000); INT i; for (i = v; i > 0; i = i - 1, R0 = R0 + ovs, R1 = R1 + ovs, Cr = Cr + ivs, Ci = Ci + ivs, MAKE_VOLATILE_STRIDE(rs), MAKE_VOLATILE_STRIDE(csr), MAKE_VOLATILE_STRIDE(csi)) { E T1, T2, T4, T5, T3, T6; T1 = Cr[0]; T2 = Cr[WS(csr, 1)]; T4 = Ci[0]; T5 = Ci[WS(csi, 1)]; R0[0] = KP2_000000000 * (T1 + T2); T3 = T1 - T2; R0[WS(rs, 1)] = KP2_000000000 * (T5 - T4); T6 = T4 + T5; R1[WS(rs, 1)] = -(KP1_414213562 * (T3 + T6)); R1[0] = KP1_414213562 * (T3 - T6); } } static const kr2c_desc desc = { 4, "r2cbIII_4", {6, 4, 0, 0}, &GENUS }; void X(codelet_r2cbIII_4) (planner *p) { X(kr2c_register) (p, r2cbIII_4, &desc); } #else /* HAVE_FMA */ /* Generated by: ../../../genfft/gen_r2cb -compact -variables 4 -pipeline-latency 4 -sign 1 -n 4 -name r2cbIII_4 -dft-III -include r2cbIII.h */ /* * This function contains 6 FP additions, 4 FP multiplications, * (or, 6 additions, 4 multiplications, 0 fused multiply/add), * 9 stack variables, 2 constants, and 8 memory accesses */ #include "r2cbIII.h" static void r2cbIII_4(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs) { DK(KP1_414213562, +1.414213562373095048801688724209698078569671875); DK(KP2_000000000, +2.000000000000000000000000000000000000000000000); INT i; for (i = v; i > 0; i = i - 1, R0 = R0 + ovs, R1 = R1 + ovs, Cr = Cr + ivs, Ci = Ci + ivs, MAKE_VOLATILE_STRIDE(rs), MAKE_VOLATILE_STRIDE(csr), MAKE_VOLATILE_STRIDE(csi)) { E T1, T2, T3, T4, T5, T6; T1 = Cr[0]; T2 = Cr[WS(csr, 1)]; T3 = T1 - T2; T4 = Ci[0]; T5 = Ci[WS(csi, 1)]; T6 = T4 + T5; R0[0] = KP2_000000000 * (T1 + T2); R0[WS(rs, 1)] = KP2_000000000 * (T5 - T4); R1[0] = KP1_414213562 * (T3 - T6); R1[WS(rs, 1)] = -(KP1_414213562 * (T3 + T6)); } } static const kr2c_desc desc = { 4, "r2cbIII_4", {6, 4, 0, 0}, &GENUS }; void X(codelet_r2cbIII_4) (planner *p) { X(kr2c_register) (p, r2cbIII_4, &desc); } #endif /* HAVE_FMA */