/* * 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 06:46:21 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 6 -name r2cbIII_6 -dft-III -include r2cbIII.h */ /* * This function contains 12 FP additions, 8 FP multiplications, * (or, 6 additions, 2 multiplications, 6 fused multiply/add), * 15 stack variables, 2 constants, and 12 memory accesses */ #include "r2cbIII.h" static void r2cbIII_6(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs) { DK(KP1_732050807, +1.732050807568877293527446341505872366942805254); 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, T8, T2, T3, T5, T6; T1 = Cr[WS(csr, 1)]; T8 = Ci[WS(csi, 1)]; T2 = Cr[WS(csr, 2)]; T3 = Cr[0]; T5 = Ci[WS(csi, 2)]; T6 = Ci[0]; { E T4, Ta, T7, Tc, Tb, T9; T4 = T2 + T3; Ta = T2 - T3; T7 = T5 + T6; Tc = T5 - T6; Tb = FNMS(KP2_000000000, T1, T4); R0[0] = KP2_000000000 * (T1 + T4); T9 = FMA(KP2_000000000, T8, T7); R1[WS(rs, 1)] = KP2_000000000 * (T8 - T7); R0[WS(rs, 2)] = FMS(KP1_732050807, Tc, Tb); R0[WS(rs, 1)] = FMA(KP1_732050807, Tc, Tb); R1[WS(rs, 2)] = FMS(KP1_732050807, Ta, T9); R1[0] = -(FMA(KP1_732050807, Ta, T9)); } } } static const kr2c_desc desc = { 6, "r2cbIII_6", {6, 2, 6, 0}, &GENUS }; void X(codelet_r2cbIII_6) (planner *p) { X(kr2c_register) (p, r2cbIII_6, &desc); } #else /* HAVE_FMA */ /* Generated by: ../../../genfft/gen_r2cb -compact -variables 4 -pipeline-latency 4 -sign 1 -n 6 -name r2cbIII_6 -dft-III -include r2cbIII.h */ /* * This function contains 12 FP additions, 6 FP multiplications, * (or, 10 additions, 4 multiplications, 2 fused multiply/add), * 15 stack variables, 2 constants, and 12 memory accesses */ #include "r2cbIII.h" static void r2cbIII_6(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs) { DK(KP2_000000000, +2.000000000000000000000000000000000000000000000); DK(KP1_732050807, +1.732050807568877293527446341505872366942805254); 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, T6, T4, T5, T9, Tb, Ta, Tc; T1 = Cr[WS(csr, 1)]; T6 = Ci[WS(csi, 1)]; { E T2, T3, T7, T8; T2 = Cr[WS(csr, 2)]; T3 = Cr[0]; T4 = T2 + T3; T5 = KP1_732050807 * (T2 - T3); T7 = Ci[WS(csi, 2)]; T8 = Ci[0]; T9 = T7 + T8; Tb = KP1_732050807 * (T7 - T8); } R0[0] = KP2_000000000 * (T1 + T4); R1[WS(rs, 1)] = KP2_000000000 * (T6 - T9); Ta = FMA(KP2_000000000, T6, T9); R1[0] = -(T5 + Ta); R1[WS(rs, 2)] = T5 - Ta; Tc = FMS(KP2_000000000, T1, T4); R0[WS(rs, 1)] = Tb - Tc; R0[WS(rs, 2)] = Tc + Tb; } } static const kr2c_desc desc = { 6, "r2cbIII_6", {10, 4, 2, 0}, &GENUS }; void X(codelet_r2cbIII_6) (planner *p) { X(kr2c_register) (p, r2cbIII_6, &desc); } #endif /* HAVE_FMA */